diff --git a/MAINTAINERS b/MAINTAINERS index 59003315a959..446ec6d11af5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -182,7 +182,7 @@ F: drivers/net/hamradio/6pack.c M: Realtek linux nic maintainers <nic_swsd@xxxxxxxxxxx> L: netdev@xxxxxxxxxxxxxxx S: Maintained -F: drivers/net/ethernet/realtek/r8169.c +F: drivers/net/ethernet/realtek/r8169* 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER M: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> diff --git a/Makefile b/Makefile index 72313a351445..0c2244a514fc 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 19 -SUBLEVEL = 297 +SUBLEVEL = 298 EXTRAVERSION = NAME = "People's Front" diff --git a/arch/arm/boot/bootp/init.S b/arch/arm/boot/bootp/init.S index 78b508075161..868eeeaaa46e 100644 --- a/arch/arm/boot/bootp/init.S +++ b/arch/arm/boot/bootp/init.S @@ -16,7 +16,7 @@ * size immediately following the kernel, we could build this into * a binary blob, and concatenate the zImage using the cat command. */ - .section .start,#alloc,#execinstr + .section .start, "ax" .type _start, #function .globl _start diff --git a/arch/arm/boot/compressed/big-endian.S b/arch/arm/boot/compressed/big-endian.S index 88e2a88d324b..0e092c36da2f 100644 --- a/arch/arm/boot/compressed/big-endian.S +++ b/arch/arm/boot/compressed/big-endian.S @@ -6,7 +6,7 @@ * Author: Nicolas Pitre */ - .section ".start", #alloc, #execinstr + .section ".start", "ax" mrc p15, 0, r0, c1, c0, 0 @ read control reg orr r0, r0, #(1 << 7) @ enable big endian mode diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 69e661f574a0..e4d1b3d0b7d9 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -114,7 +114,7 @@ #endif .endm - .section ".start", #alloc, #execinstr + .section ".start", "ax" /* * sort out different calling conventions */ diff --git a/arch/arm/boot/compressed/piggy.S b/arch/arm/boot/compressed/piggy.S index 0284f84dcf38..27577644ee72 100644 --- a/arch/arm/boot/compressed/piggy.S +++ b/arch/arm/boot/compressed/piggy.S @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ - .section .piggydata,#alloc + .section .piggydata, "a" .globl input_data input_data: .incbin "arch/arm/boot/compressed/piggy_data" diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 774ef1323554..4773490177c9 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -505,7 +505,7 @@ cpu_arm1020_name: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm1020_proc_info,#object __arm1020_proc_info: diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index ae3c27b71594..928e8ca58f40 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -463,7 +463,7 @@ arm1020e_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm1020e_proc_info,#object __arm1020e_proc_info: diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index dbb2413fe04d..385584c3d222 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -448,7 +448,7 @@ arm1022_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm1022_proc_info,#object __arm1022_proc_info: diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index 0b37b2cef9d3..29cc81857373 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -442,7 +442,7 @@ arm1026_crval: string cpu_arm1026_name, "ARM1026EJ-S" .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm1026_proc_info,#object __arm1026_proc_info: diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S index 3651cd70e418..c08cd1b0a1d0 100644 --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -186,7 +186,7 @@ arm720_crval: * See <asm/procinfo.h> for a definition of this structure. */ - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro arm720_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cpu_flush:req .type __\name\()_proc_info,#object diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S index 024fb7732407..6eed87103b95 100644 --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S @@ -132,7 +132,7 @@ __arm740_setup: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm740_proc_info,#object __arm740_proc_info: .long 0x41807400 diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S index 25472d94426d..beb64a7ccb38 100644 --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -76,7 +76,7 @@ __arm7tdmi_setup: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \ extra_hwcaps=0 diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 7a14bd4414c9..5d4319708362 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -448,7 +448,7 @@ arm920_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm920_proc_info,#object __arm920_proc_info: diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index edccfcdcd551..7e22ca780b36 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -426,7 +426,7 @@ arm922_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm922_proc_info,#object __arm922_proc_info: diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index 32a47cc19076..d343e77b8456 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -491,7 +491,7 @@ arm925_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro arm925_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache .type __\name\()_proc_info,#object diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index fb827c633693..8cf78c608c42 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -474,7 +474,7 @@ arm926_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm926_proc_info,#object __arm926_proc_info: diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index ee5b66f847c4..631ae64eeccd 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -344,7 +344,7 @@ __arm940_setup: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm940_proc_info,#object __arm940_proc_info: diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index 7361837edc31..033ad7402d67 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -399,7 +399,7 @@ __arm946_setup: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __arm946_proc_info,#object __arm946_proc_info: .long 0x41009460 diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S index 7fac8c612134..2195468ccd76 100644 --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -70,7 +70,7 @@ __arm9tdmi_setup: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req .type __\name\()_proc_info, #object diff --git a/arch/arm/mm/proc-fa526.S b/arch/arm/mm/proc-fa526.S index 4001b73af4ee..fd3e5dd94e59 100644 --- a/arch/arm/mm/proc-fa526.S +++ b/arch/arm/mm/proc-fa526.S @@ -190,7 +190,7 @@ fa526_cr1_set: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __fa526_proc_info,#object __fa526_proc_info: diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index 92e08bf37aad..685d324a74d3 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -584,7 +584,7 @@ feroceon_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro feroceon_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache:req .type __\name\()_proc_info,#object diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index 6f07d2ef4ff2..9182321a586a 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -429,7 +429,7 @@ mohawk_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __88sv331x_proc_info,#object __88sv331x_proc_info: diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index ee2ce496239f..093ad2ceff28 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -199,7 +199,7 @@ sa110_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .type __sa110_proc_info,#object __sa110_proc_info: diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index 222d5836f666..12b8fcab4b59 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -242,7 +242,7 @@ sa1100_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro sa1100_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req .type __\name\()_proc_info,#object diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 06d890a2342b..32f4df0915ef 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -264,7 +264,7 @@ v6_crval: string cpu_elf_name, "v6" .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" /* * Match any ARMv6 processor core. diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 339eb17c9808..e351d682c2e3 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -637,7 +637,7 @@ __v7_setup_stack: string cpu_elf_name, "v7" .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" /* * Standard v7 proc info content diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S index 9c2978c128d9..0be14b64879c 100644 --- a/arch/arm/mm/proc-v7m.S +++ b/arch/arm/mm/proc-v7m.S @@ -96,7 +96,7 @@ ENTRY(cpu_cm7_proc_fin) ret lr ENDPROC(cpu_cm7_proc_fin) - .section ".init.text", #alloc, #execinstr + .section ".init.text", "ax" __v7m_cm7_setup: mov r8, #(V7M_SCB_CCR_DC | V7M_SCB_CCR_IC| V7M_SCB_CCR_BP) @@ -180,7 +180,7 @@ ENDPROC(__v7m_setup) string cpu_elf_name "v7m" string cpu_v7m_name "ARMv7-M" - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro __v7m_proc name, initfunc, cache_fns = nop_cache_fns, hwcaps = 0, proc_fns = v7m_processor_functions .long 0 /* proc_info_list.__cpu_mm_mmu_flags */ diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 293dcc2c441f..da96e4de1353 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -499,7 +499,7 @@ xsc3_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro xsc3_proc_info name:req, cpu_val:req, cpu_mask:req .type __\name\()_proc_info,#object diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 3d75b7972fd1..c7800c69921b 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -613,7 +613,7 @@ xscale_crval: .align - .section ".proc.info.init", #alloc + .section ".proc.info.init", "a" .macro xscale_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache .type __\name\()_proc_info,#object diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c index 7c69a203cdf8..b8d481c3e26d 100644 --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c @@ -211,10 +211,12 @@ static int emulation_proc_handler(struct ctl_table *table, int write, loff_t *ppos) { int ret = 0; - struct insn_emulation *insn = container_of(table->data, struct insn_emulation, current_mode); - enum insn_emulation_mode prev_mode = insn->current_mode; + struct insn_emulation *insn; + enum insn_emulation_mode prev_mode; mutex_lock(&insn_emulation_mutex); + insn = container_of(table->data, struct insn_emulation, current_mode); + prev_mode = insn->current_mode; ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); if (ret || !write || prev_mode == insn->current_mode) diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index 89789e8c80f6..e16574c16e93 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -67,6 +67,8 @@ struct legacy_pic { void (*make_irq)(unsigned int irq); }; +void legacy_pic_pcat_compat(void); + extern struct legacy_pic *legacy_pic; extern struct legacy_pic null_legacy_pic; diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index ae13bc974416..c5ed79159975 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -91,27 +91,16 @@ extern unsigned long _brk_end; void *extend_brk(size_t size, size_t align); /* - * Reserve space in the brk section. The name must be unique within - * the file, and somewhat descriptive. The size is in bytes. Must be - * used at file scope. + * Reserve space in the .brk section, which is a block of memory from which the + * caller is allowed to allocate very early (before even memblock is available) + * by calling extend_brk(). All allocated memory will be eventually converted + * to memblock. Any leftover unallocated memory will be freed. * - * (This uses a temp function to wrap the asm so we can pass it the - * size parameter; otherwise we wouldn't be able to. We can't use a - * "section" attribute on a normal variable because it always ends up - * being @progbits, which ends up allocating space in the vmlinux - * executable.) + * The size is in bytes. */ -#define RESERVE_BRK(name,sz) \ - static void __section(.discard.text) __used notrace \ - __brk_reservation_fn_##name##__(void) { \ - asm volatile ( \ - ".pushsection .brk_reservation,\"aw\",@nobits;" \ - ".brk." #name ":" \ - " 1:.skip %c0;" \ - " .size .brk." #name ", . - 1b;" \ - " .popsection" \ - : : "i" (sz)); \ - } +#define RESERVE_BRK(name, size) \ + __section(.bss..brk) __aligned(1) __used \ + static char __brk_##name[size] /* Helper for reserving space for arrays of things */ #define RESERVE_BRK_ARRAY(type, name, entries) \ @@ -129,12 +118,19 @@ asmlinkage void __init x86_64_start_reservations(char *real_mode_data); #endif /* __i386__ */ #endif /* _SETUP */ -#else -#define RESERVE_BRK(name,sz) \ - .pushsection .brk_reservation,"aw",@nobits; \ -.brk.name: \ -1: .skip sz; \ - .size .brk.name,.-1b; \ + +#else /* __ASSEMBLY */ + +.macro __RESERVE_BRK name, size + .pushsection .bss..brk, "aw" +GLOBAL(__brk_\name) + .skip \size +END(__brk_\name) .popsection +.endm + +#define RESERVE_BRK(name, size) __RESERVE_BRK name, size + #endif /* __ASSEMBLY__ */ + #endif /* _ASM_X86_SETUP_H */ diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 8b1aa1206d98..2f0fa294d617 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -156,6 +156,9 @@ static int __init acpi_parse_madt(struct acpi_table_header *table) madt->address); } + if (madt->flags & ACPI_MADT_PCAT_COMPAT) + legacy_pic_pcat_compat(); + default_acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id); diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 8821d0ab0a08..82753622f489 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -32,6 +32,7 @@ */ static void init_8259A(int auto_eoi); +static bool pcat_compat __ro_after_init; static int i8259A_auto_eoi; DEFINE_RAW_SPINLOCK(i8259A_lock); @@ -301,15 +302,32 @@ static void unmask_8259A(void) static int probe_8259A(void) { + unsigned char new_val, probe_val = ~(1 << PIC_CASCADE_IR); unsigned long flags; - unsigned char probe_val = ~(1 << PIC_CASCADE_IR); - unsigned char new_val; + + /* + * If MADT has the PCAT_COMPAT flag set, then do not bother probing + * for the PIC. Some BIOSes leave the PIC uninitialized and probing + * fails. + * + * Right now this causes problems as quite some code depends on + * nr_legacy_irqs() > 0 or has_legacy_pic() == true. This is silly + * when the system has an IO/APIC because then PIC is not required + * at all, except for really old machines where the timer interrupt + * must be routed through the PIC. So just pretend that the PIC is + * there and let legacy_pic->init() initialize it for nothing. + * + * Alternatively this could just try to initialize the PIC and + * repeat the probe, but for cases where there is no PIC that's + * just pointless. + */ + if (pcat_compat) + return nr_legacy_irqs(); + /* - * Check to see if we have a PIC. - * Mask all except the cascade and read - * back the value we just wrote. If we don't - * have a PIC, we will read 0xff as opposed to the - * value we wrote. + * Check to see if we have a PIC. Mask all except the cascade and + * read back the value we just wrote. If we don't have a PIC, we + * will read 0xff as opposed to the value we wrote. */ raw_spin_lock_irqsave(&i8259A_lock, flags); @@ -431,5 +449,9 @@ static int __init i8259A_init_ops(void) return 0; } - device_initcall(i8259A_init_ops); + +void __init legacy_pic_pcat_compat(void) +{ + pcat_compat = true; +} diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 34c0652ca8b4..20d09355c9e0 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -383,7 +383,7 @@ SECTIONS .brk : AT(ADDR(.brk) - LOAD_OFFSET) { __brk_base = .; . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ + *(.bss..brk) /* areas brk users have reserved */ __brk_limit = .; } diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index d5b9f9689877..8cc6cb14767b 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -40,6 +40,7 @@ #include <linux/libata.h> #include <linux/phy/phy.h> #include <linux/regulator/consumer.h> +#include <linux/bits.h> /* Enclosure Management Control */ #define EM_CTRL_MSG_TYPE 0x000f0000 @@ -70,12 +71,12 @@ enum { AHCI_PORT_PRIV_FBS_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + (AHCI_RX_FIS_SZ * 16), - AHCI_IRQ_ON_SG = (1 << 31), - AHCI_CMD_ATAPI = (1 << 5), - AHCI_CMD_WRITE = (1 << 6), - AHCI_CMD_PREFETCH = (1 << 7), - AHCI_CMD_RESET = (1 << 8), - AHCI_CMD_CLR_BUSY = (1 << 10), + AHCI_IRQ_ON_SG = BIT(31), + AHCI_CMD_ATAPI = BIT(5), + AHCI_CMD_WRITE = BIT(6), + AHCI_CMD_PREFETCH = BIT(7), + AHCI_CMD_RESET = BIT(8), + AHCI_CMD_CLR_BUSY = BIT(10), RX_FIS_PIO_SETUP = 0x20, /* offset of PIO Setup FIS data */ RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */ @@ -93,37 +94,37 @@ enum { HOST_CAP2 = 0x24, /* host capabilities, extended */ /* HOST_CTL bits */ - HOST_RESET = (1 << 0), /* reset controller; self-clear */ - HOST_IRQ_EN = (1 << 1), /* global IRQ enable */ - HOST_MRSM = (1 << 2), /* MSI Revert to Single Message */ - HOST_AHCI_EN = (1 << 31), /* AHCI enabled */ + HOST_RESET = BIT(0), /* reset controller; self-clear */ + HOST_IRQ_EN = BIT(1), /* global IRQ enable */ + HOST_MRSM = BIT(2), /* MSI Revert to Single Message */ + HOST_AHCI_EN = BIT(31), /* AHCI enabled */ /* HOST_CAP bits */ - HOST_CAP_SXS = (1 << 5), /* Supports External SATA */ - HOST_CAP_EMS = (1 << 6), /* Enclosure Management support */ - HOST_CAP_CCC = (1 << 7), /* Command Completion Coalescing */ - HOST_CAP_PART = (1 << 13), /* Partial state capable */ - HOST_CAP_SSC = (1 << 14), /* Slumber state capable */ - HOST_CAP_PIO_MULTI = (1 << 15), /* PIO multiple DRQ support */ - HOST_CAP_FBS = (1 << 16), /* FIS-based switching support */ - HOST_CAP_PMP = (1 << 17), /* Port Multiplier support */ - HOST_CAP_ONLY = (1 << 18), /* Supports AHCI mode only */ - HOST_CAP_CLO = (1 << 24), /* Command List Override support */ - HOST_CAP_LED = (1 << 25), /* Supports activity LED */ - HOST_CAP_ALPM = (1 << 26), /* Aggressive Link PM support */ - HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */ - HOST_CAP_MPS = (1 << 28), /* Mechanical presence switch */ - HOST_CAP_SNTF = (1 << 29), /* SNotification register */ - HOST_CAP_NCQ = (1 << 30), /* Native Command Queueing */ - HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */ + HOST_CAP_SXS = BIT(5), /* Supports External SATA */ + HOST_CAP_EMS = BIT(6), /* Enclosure Management support */ + HOST_CAP_CCC = BIT(7), /* Command Completion Coalescing */ + HOST_CAP_PART = BIT(13), /* Partial state capable */ + HOST_CAP_SSC = BIT(14), /* Slumber state capable */ + HOST_CAP_PIO_MULTI = BIT(15), /* PIO multiple DRQ support */ + HOST_CAP_FBS = BIT(16), /* FIS-based switching support */ + HOST_CAP_PMP = BIT(17), /* Port Multiplier support */ + HOST_CAP_ONLY = BIT(18), /* Supports AHCI mode only */ + HOST_CAP_CLO = BIT(24), /* Command List Override support */ + HOST_CAP_LED = BIT(25), /* Supports activity LED */ + HOST_CAP_ALPM = BIT(26), /* Aggressive Link PM support */ + HOST_CAP_SSS = BIT(27), /* Staggered Spin-up */ + HOST_CAP_MPS = BIT(28), /* Mechanical presence switch */ + HOST_CAP_SNTF = BIT(29), /* SNotification register */ + HOST_CAP_NCQ = BIT(30), /* Native Command Queueing */ + HOST_CAP_64 = BIT(31), /* PCI DAC (64-bit DMA) support */ /* HOST_CAP2 bits */ - HOST_CAP2_BOH = (1 << 0), /* BIOS/OS handoff supported */ - HOST_CAP2_NVMHCI = (1 << 1), /* NVMHCI supported */ - HOST_CAP2_APST = (1 << 2), /* Automatic partial to slumber */ - HOST_CAP2_SDS = (1 << 3), /* Support device sleep */ - HOST_CAP2_SADM = (1 << 4), /* Support aggressive DevSlp */ - HOST_CAP2_DESO = (1 << 5), /* DevSlp from slumber only */ + HOST_CAP2_BOH = BIT(0), /* BIOS/OS handoff supported */ + HOST_CAP2_NVMHCI = BIT(1), /* NVMHCI supported */ + HOST_CAP2_APST = BIT(2), /* Automatic partial to slumber */ + HOST_CAP2_SDS = BIT(3), /* Support device sleep */ + HOST_CAP2_SADM = BIT(4), /* Support aggressive DevSlp */ + HOST_CAP2_DESO = BIT(5), /* DevSlp from slumber only */ /* registers for each SATA port */ PORT_LST_ADDR = 0x00, /* command list DMA addr */ @@ -145,24 +146,25 @@ enum { PORT_DEVSLP = 0x44, /* device sleep */ /* PORT_IRQ_{STAT,MASK} bits */ - PORT_IRQ_COLD_PRES = (1 << 31), /* cold presence detect */ - PORT_IRQ_TF_ERR = (1 << 30), /* task file error */ - PORT_IRQ_HBUS_ERR = (1 << 29), /* host bus fatal error */ - PORT_IRQ_HBUS_DATA_ERR = (1 << 28), /* host bus data error */ - PORT_IRQ_IF_ERR = (1 << 27), /* interface fatal error */ - PORT_IRQ_IF_NONFATAL = (1 << 26), /* interface non-fatal error */ - PORT_IRQ_OVERFLOW = (1 << 24), /* xfer exhausted available S/G */ - PORT_IRQ_BAD_PMP = (1 << 23), /* incorrect port multiplier */ - - PORT_IRQ_PHYRDY = (1 << 22), /* PhyRdy changed */ - PORT_IRQ_DEV_ILCK = (1 << 7), /* device interlock */ - PORT_IRQ_CONNECT = (1 << 6), /* port connect change status */ - PORT_IRQ_SG_DONE = (1 << 5), /* descriptor processed */ - PORT_IRQ_UNK_FIS = (1 << 4), /* unknown FIS rx'd */ - PORT_IRQ_SDB_FIS = (1 << 3), /* Set Device Bits FIS rx'd */ - PORT_IRQ_DMAS_FIS = (1 << 2), /* DMA Setup FIS rx'd */ - PORT_IRQ_PIOS_FIS = (1 << 1), /* PIO Setup FIS rx'd */ - PORT_IRQ_D2H_REG_FIS = (1 << 0), /* D2H Register FIS rx'd */ + PORT_IRQ_COLD_PRES = BIT(31), /* cold presence detect */ + PORT_IRQ_TF_ERR = BIT(30), /* task file error */ + PORT_IRQ_HBUS_ERR = BIT(29), /* host bus fatal error */ + PORT_IRQ_HBUS_DATA_ERR = BIT(28), /* host bus data error */ + PORT_IRQ_IF_ERR = BIT(27), /* interface fatal error */ + PORT_IRQ_IF_NONFATAL = BIT(26), /* interface non-fatal error */ + PORT_IRQ_OVERFLOW = BIT(24), /* xfer exhausted available S/G */ + PORT_IRQ_BAD_PMP = BIT(23), /* incorrect port multiplier */ + + PORT_IRQ_PHYRDY = BIT(22), /* PhyRdy changed */ + PORT_IRQ_DEV_ILCK = BIT(7), /* device interlock */ + PORT_IRQ_DMPS = BIT(7), /* mechanical presence status */ + PORT_IRQ_CONNECT = BIT(6), /* port connect change status */ + PORT_IRQ_SG_DONE = BIT(5), /* descriptor processed */ + PORT_IRQ_UNK_FIS = BIT(4), /* unknown FIS rx'd */ + PORT_IRQ_SDB_FIS = BIT(3), /* Set Device Bits FIS rx'd */ + PORT_IRQ_DMAS_FIS = BIT(2), /* DMA Setup FIS rx'd */ + PORT_IRQ_PIOS_FIS = BIT(1), /* PIO Setup FIS rx'd */ + PORT_IRQ_D2H_REG_FIS = BIT(0), /* D2H Register FIS rx'd */ PORT_IRQ_FREEZE = PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR | @@ -178,34 +180,34 @@ enum { PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS, /* PORT_CMD bits */ - PORT_CMD_ASP = (1 << 27), /* Aggressive Slumber/Partial */ - PORT_CMD_ALPE = (1 << 26), /* Aggressive Link PM enable */ - PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */ - PORT_CMD_FBSCP = (1 << 22), /* FBS Capable Port */ - PORT_CMD_ESP = (1 << 21), /* External Sata Port */ - PORT_CMD_HPCP = (1 << 18), /* HotPlug Capable Port */ - PORT_CMD_PMP = (1 << 17), /* PMP attached */ - PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */ - PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */ - PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */ - PORT_CMD_CLO = (1 << 3), /* Command list override */ - PORT_CMD_POWER_ON = (1 << 2), /* Power up device */ - PORT_CMD_SPIN_UP = (1 << 1), /* Spin up device */ - PORT_CMD_START = (1 << 0), /* Enable port DMA engine */ - - PORT_CMD_ICC_MASK = (0xf << 28), /* i/f ICC state mask */ - PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */ - PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */ - PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */ + PORT_CMD_ASP = BIT(27), /* Aggressive Slumber/Partial */ + PORT_CMD_ALPE = BIT(26), /* Aggressive Link PM enable */ + PORT_CMD_ATAPI = BIT(24), /* Device is ATAPI */ + PORT_CMD_FBSCP = BIT(22), /* FBS Capable Port */ + PORT_CMD_ESP = BIT(21), /* External Sata Port */ + PORT_CMD_HPCP = BIT(18), /* HotPlug Capable Port */ + PORT_CMD_PMP = BIT(17), /* PMP attached */ + PORT_CMD_LIST_ON = BIT(15), /* cmd list DMA engine running */ + PORT_CMD_FIS_ON = BIT(14), /* FIS DMA engine running */ + PORT_CMD_FIS_RX = BIT(4), /* Enable FIS receive DMA engine */ + PORT_CMD_CLO = BIT(3), /* Command list override */ + PORT_CMD_POWER_ON = BIT(2), /* Power up device */ + PORT_CMD_SPIN_UP = BIT(1), /* Spin up device */ + PORT_CMD_START = BIT(0), /* Enable port DMA engine */ + + PORT_CMD_ICC_MASK = (0xfu << 28), /* i/f ICC state mask */ + PORT_CMD_ICC_ACTIVE = (0x1u << 28), /* Put i/f in active state */ + PORT_CMD_ICC_PARTIAL = (0x2u << 28), /* Put i/f in partial state */ + PORT_CMD_ICC_SLUMBER = (0x6u << 28), /* Put i/f in slumber state */ /* PORT_FBS bits */ PORT_FBS_DWE_OFFSET = 16, /* FBS device with error offset */ PORT_FBS_ADO_OFFSET = 12, /* FBS active dev optimization offset */ PORT_FBS_DEV_OFFSET = 8, /* FBS device to issue offset */ PORT_FBS_DEV_MASK = (0xf << PORT_FBS_DEV_OFFSET), /* FBS.DEV */ - PORT_FBS_SDE = (1 << 2), /* FBS single device error */ - PORT_FBS_DEC = (1 << 1), /* FBS device error clear */ - PORT_FBS_EN = (1 << 0), /* Enable FBS */ + PORT_FBS_SDE = BIT(2), /* FBS single device error */ + PORT_FBS_DEC = BIT(1), /* FBS device error clear */ + PORT_FBS_EN = BIT(0), /* Enable FBS */ /* PORT_DEVSLP bits */ PORT_DEVSLP_DM_OFFSET = 25, /* DITO multiplier offset */ @@ -213,45 +215,45 @@ enum { PORT_DEVSLP_DITO_OFFSET = 15, /* DITO offset */ PORT_DEVSLP_MDAT_OFFSET = 10, /* Minimum assertion time */ PORT_DEVSLP_DETO_OFFSET = 2, /* DevSlp exit timeout */ - PORT_DEVSLP_DSP = (1 << 1), /* DevSlp present */ - PORT_DEVSLP_ADSE = (1 << 0), /* Aggressive DevSlp enable */ + PORT_DEVSLP_DSP = BIT(1), /* DevSlp present */ + PORT_DEVSLP_ADSE = BIT(0), /* Aggressive DevSlp enable */ /* hpriv->flags bits */ #define AHCI_HFLAGS(flags) .private_data = (void *)(flags) - AHCI_HFLAG_NO_NCQ = (1 << 0), - AHCI_HFLAG_IGN_IRQ_IF_ERR = (1 << 1), /* ignore IRQ_IF_ERR */ - AHCI_HFLAG_IGN_SERR_INTERNAL = (1 << 2), /* ignore SERR_INTERNAL */ - AHCI_HFLAG_32BIT_ONLY = (1 << 3), /* force 32bit */ - AHCI_HFLAG_MV_PATA = (1 << 4), /* PATA port */ - AHCI_HFLAG_NO_MSI = (1 << 5), /* no PCI MSI */ - AHCI_HFLAG_NO_PMP = (1 << 6), /* no PMP */ - AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */ - AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */ - AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */ - AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as - link offline */ - AHCI_HFLAG_NO_SNTF = (1 << 12), /* no sntf */ - AHCI_HFLAG_NO_FPDMA_AA = (1 << 13), /* no FPDMA AA */ - AHCI_HFLAG_YES_FBS = (1 << 14), /* force FBS cap on */ - AHCI_HFLAG_DELAY_ENGINE = (1 << 15), /* do not start engine on - port start (wait until - error-handling stage) */ - AHCI_HFLAG_NO_DEVSLP = (1 << 17), /* no device sleep */ - AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */ + AHCI_HFLAG_NO_NCQ = BIT(0), + AHCI_HFLAG_IGN_IRQ_IF_ERR = BIT(1), /* ignore IRQ_IF_ERR */ + AHCI_HFLAG_IGN_SERR_INTERNAL = BIT(2), /* ignore SERR_INTERNAL */ + AHCI_HFLAG_32BIT_ONLY = BIT(3), /* force 32bit */ + AHCI_HFLAG_MV_PATA = BIT(4), /* PATA port */ + AHCI_HFLAG_NO_MSI = BIT(5), /* no PCI MSI */ + AHCI_HFLAG_NO_PMP = BIT(6), /* no PMP */ + AHCI_HFLAG_SECT255 = BIT(8), /* max 255 sectors */ + AHCI_HFLAG_YES_NCQ = BIT(9), /* force NCQ cap on */ + AHCI_HFLAG_NO_SUSPEND = BIT(10), /* don't suspend */ + AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = BIT(11), /* treat SRST timeout as + link offline */ + AHCI_HFLAG_NO_SNTF = BIT(12), /* no sntf */ + AHCI_HFLAG_NO_FPDMA_AA = BIT(13), /* no FPDMA AA */ + AHCI_HFLAG_YES_FBS = BIT(14), /* force FBS cap on */ + AHCI_HFLAG_DELAY_ENGINE = BIT(15), /* do not start engine on + port start (wait until + error-handling stage) */ + AHCI_HFLAG_NO_DEVSLP = BIT(17), /* no device sleep */ + AHCI_HFLAG_NO_FBS = BIT(18), /* no FBS */ #ifdef CONFIG_PCI_MSI - AHCI_HFLAG_MULTI_MSI = (1 << 20), /* per-port MSI(-X) */ + AHCI_HFLAG_MULTI_MSI = BIT(20), /* per-port MSI(-X) */ #else /* compile out MSI infrastructure */ AHCI_HFLAG_MULTI_MSI = 0, #endif - AHCI_HFLAG_WAKE_BEFORE_STOP = (1 << 22), /* wake before DMA stop */ - AHCI_HFLAG_YES_ALPM = (1 << 23), /* force ALPM cap on */ - AHCI_HFLAG_NO_WRITE_TO_RO = (1 << 24), /* don't write to read - only registers */ - AHCI_HFLAG_IS_MOBILE = (1 << 25), /* mobile chipset, use + AHCI_HFLAG_WAKE_BEFORE_STOP = BIT(22), /* wake before DMA stop */ + AHCI_HFLAG_YES_ALPM = BIT(23), /* force ALPM cap on */ + AHCI_HFLAG_NO_WRITE_TO_RO = BIT(24), /* don't write to read + only registers */ + AHCI_HFLAG_IS_MOBILE = BIT(25), /* mobile chipset, use SATA_MOBILE_LPM_POLICY as default lpm_policy */ @@ -269,22 +271,22 @@ enum { EM_MAX_RETRY = 5, /* em_ctl bits */ - EM_CTL_RST = (1 << 9), /* Reset */ - EM_CTL_TM = (1 << 8), /* Transmit Message */ - EM_CTL_MR = (1 << 0), /* Message Received */ - EM_CTL_ALHD = (1 << 26), /* Activity LED */ - EM_CTL_XMT = (1 << 25), /* Transmit Only */ - EM_CTL_SMB = (1 << 24), /* Single Message Buffer */ - EM_CTL_SGPIO = (1 << 19), /* SGPIO messages supported */ - EM_CTL_SES = (1 << 18), /* SES-2 messages supported */ - EM_CTL_SAFTE = (1 << 17), /* SAF-TE messages supported */ - EM_CTL_LED = (1 << 16), /* LED messages supported */ + EM_CTL_RST = BIT(9), /* Reset */ + EM_CTL_TM = BIT(8), /* Transmit Message */ + EM_CTL_MR = BIT(0), /* Message Received */ + EM_CTL_ALHD = BIT(26), /* Activity LED */ + EM_CTL_XMT = BIT(25), /* Transmit Only */ + EM_CTL_SMB = BIT(24), /* Single Message Buffer */ + EM_CTL_SGPIO = BIT(19), /* SGPIO messages supported */ + EM_CTL_SES = BIT(18), /* SES-2 messages supported */ + EM_CTL_SAFTE = BIT(17), /* SAF-TE messages supported */ + EM_CTL_LED = BIT(16), /* LED messages supported */ /* em message type */ - EM_MSG_TYPE_LED = (1 << 0), /* LED */ - EM_MSG_TYPE_SAFTE = (1 << 1), /* SAF-TE */ - EM_MSG_TYPE_SES2 = (1 << 2), /* SES-2 */ - EM_MSG_TYPE_SGPIO = (1 << 3), /* SGPIO */ + EM_MSG_TYPE_LED = BIT(0), /* LED */ + EM_MSG_TYPE_SAFTE = BIT(1), /* SAF-TE */ + EM_MSG_TYPE_SES2 = BIT(2), /* SES-2 */ + EM_MSG_TYPE_SGPIO = BIT(3), /* SGPIO */ }; struct ahci_cmd_hdr { diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 857c8f1b876e..668c6c8c22f1 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -29,6 +29,75 @@ static struct device *next_device(struct klist_iter *i) return dev; } +/** + * driver_set_override() - Helper to set or clear driver override. + * @dev: Device to change + * @override: Address of string to change (e.g. &device->driver_override); + * The contents will be freed and hold newly allocated override. + * @s: NUL-terminated string, new driver name to force a match, pass empty + * string to clear it ("" or "\n", where the latter is only for sysfs + * interface). + * @len: length of @s + * + * Helper to set or clear driver override in a device, intended for the cases + * when the driver_override field is allocated by driver/bus code. + * + * Returns: 0 on success or a negative error code on failure. + */ +int driver_set_override(struct device *dev, const char **override, + const char *s, size_t len) +{ + const char *new, *old; + char *cp; + + if (!override || !s) + return -EINVAL; + + /* + * The stored value will be used in sysfs show callback (sysfs_emit()), + * which has a length limit of PAGE_SIZE and adds a trailing newline. + * Thus we can store one character less to avoid truncation during sysfs + * show. + */ + if (len >= (PAGE_SIZE - 1)) + return -EINVAL; + + if (!len) { + /* Empty string passed - clear override */ + device_lock(dev); + old = *override; + *override = NULL; + device_unlock(dev); + kfree(old); + + return 0; + } + + cp = strnchr(s, len, '\n'); + if (cp) + len = cp - s; + + new = kstrndup(s, len, GFP_KERNEL); + if (!new) + return -ENOMEM; + + device_lock(dev); + old = *override; + if (cp != s) { + *override = new; + } else { + /* "\n" passed - clear override */ + kfree(new); + *override = NULL; + } + device_unlock(dev); + + kfree(old); + + return 0; +} +EXPORT_SYMBOL_GPL(driver_set_override); + /** * driver_for_each_device - Iterator for devices bound to a driver. * @drv: Driver we're iterating. diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 2f89e618b142..a09e7a681f7a 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -891,31 +891,11 @@ static ssize_t driver_override_store(struct device *dev, const char *buf, size_t count) { struct platform_device *pdev = to_platform_device(dev); - char *driver_override, *old, *cp; - - /* We need to keep extra room for a newline */ - if (count >= (PAGE_SIZE - 1)) - return -EINVAL; - - driver_override = kstrndup(buf, count, GFP_KERNEL); - if (!driver_override) - return -ENOMEM; - - cp = strchr(driver_override, '\n'); - if (cp) - *cp = '\0'; - - device_lock(dev); - old = pdev->driver_override; - if (strlen(driver_override)) { - pdev->driver_override = driver_override; - } else { - kfree(driver_override); - pdev->driver_override = NULL; - } - device_unlock(dev); + int ret; - kfree(old); + ret = driver_set_override(dev, &pdev->driver_override, buf, count); + if (ret) + return ret; return count; } diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 940132e705c1..10637dbc9aac 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -311,15 +311,6 @@ config BLK_DEV_SKD Use device /dev/skd$N amd /dev/skd$Np$M. -config BLK_DEV_SX8 - tristate "Promise SATA SX8 support" - depends on PCI - ---help--- - Saying Y or M here will enable support for the - Promise SATA SX8 controllers. - - Use devices /dev/sx8/$N and /dev/sx8/$Np$M. - config BLK_DEV_RAM tristate "RAM block device support" ---help--- diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 8566b188368b..1ac5a2bb3158 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -27,8 +27,6 @@ obj-$(CONFIG_BLK_DEV_NBD) += nbd.o obj-$(CONFIG_BLK_DEV_CRYPTOLOOP) += cryptoloop.o obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o -obj-$(CONFIG_BLK_DEV_SX8) += sx8.o - obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/ obj-$(CONFIG_BLK_DEV_DRBD) += drbd/ diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c deleted file mode 100644 index 4d90e5eba2f5..000000000000 --- a/drivers/block/sx8.c +++ /dev/null @@ -1,1746 +0,0 @@ -/* - * sx8.c: Driver for Promise SATA SX8 looks-like-I2O hardware - * - * Copyright 2004-2005 Red Hat, Inc. - * - * Author/maintainer: Jeff Garzik <jgarzik@xxxxxxxxx> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/blkdev.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/compiler.h> -#include <linux/workqueue.h> -#include <linux/bitops.h> -#include <linux/delay.h> -#include <linux/ktime.h> -#include <linux/hdreg.h> -#include <linux/dma-mapping.h> -#include <linux/completion.h> -#include <linux/scatterlist.h> -#include <asm/io.h> -#include <linux/uaccess.h> - -#if 0 -#define CARM_DEBUG -#define CARM_VERBOSE_DEBUG -#else -#undef CARM_DEBUG -#undef CARM_VERBOSE_DEBUG -#endif -#undef CARM_NDEBUG - -#define DRV_NAME "sx8" -#define DRV_VERSION "1.0" -#define PFX DRV_NAME ": " - -MODULE_AUTHOR("Jeff Garzik"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Promise SATA SX8 block driver"); -MODULE_VERSION(DRV_VERSION); - -/* - * SX8 hardware has a single message queue for all ATA ports. - * When this driver was written, the hardware (firmware?) would - * corrupt data eventually, if more than one request was outstanding. - * As one can imagine, having 8 ports bottlenecking on a single - * command hurts performance. - * - * Based on user reports, later versions of the hardware (firmware?) - * seem to be able to survive with more than one command queued. - * - * Therefore, we default to the safe option -- 1 command -- but - * allow the user to increase this. - * - * SX8 should be able to support up to ~60 queued commands (CARM_MAX_REQ), - * but problems seem to occur when you exceed ~30, even on newer hardware. - */ -static int max_queue = 1; -module_param(max_queue, int, 0444); -MODULE_PARM_DESC(max_queue, "Maximum number of queued commands. (min==1, max==30, safe==1)"); - - -#define NEXT_RESP(idx) ((idx + 1) % RMSG_Q_LEN) - -/* 0xf is just arbitrary, non-zero noise; this is sorta like poisoning */ -#define TAG_ENCODE(tag) (((tag) << 16) | 0xf) -#define TAG_DECODE(tag) (((tag) >> 16) & 0x1f) -#define TAG_VALID(tag) ((((tag) & 0xf) == 0xf) && (TAG_DECODE(tag) < 32)) - -/* note: prints function name for you */ -#ifdef CARM_DEBUG -#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) -#ifdef CARM_VERBOSE_DEBUG -#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) -#else -#define VPRINTK(fmt, args...) -#endif /* CARM_VERBOSE_DEBUG */ -#else -#define DPRINTK(fmt, args...) -#define VPRINTK(fmt, args...) -#endif /* CARM_DEBUG */ - -#ifdef CARM_NDEBUG -#define assert(expr) -#else -#define assert(expr) \ - if(unlikely(!(expr))) { \ - printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \ - #expr, __FILE__, __func__, __LINE__); \ - } -#endif - -/* defines only for the constants which don't work well as enums */ -struct carm_host; - -enum { - /* adapter-wide limits */ - CARM_MAX_PORTS = 8, - CARM_SHM_SIZE = (4096 << 7), - CARM_MINORS_PER_MAJOR = 256 / CARM_MAX_PORTS, - CARM_MAX_WAIT_Q = CARM_MAX_PORTS + 1, - - /* command message queue limits */ - CARM_MAX_REQ = 64, /* max command msgs per host */ - CARM_MSG_LOW_WATER = (CARM_MAX_REQ / 4), /* refill mark */ - - /* S/G limits, host-wide and per-request */ - CARM_MAX_REQ_SG = 32, /* max s/g entries per request */ - CARM_MAX_HOST_SG = 600, /* max s/g entries per host */ - CARM_SG_LOW_WATER = (CARM_MAX_HOST_SG / 4), /* re-fill mark */ - - /* hardware registers */ - CARM_IHQP = 0x1c, - CARM_INT_STAT = 0x10, /* interrupt status */ - CARM_INT_MASK = 0x14, /* interrupt mask */ - CARM_HMUC = 0x18, /* host message unit control */ - RBUF_ADDR_LO = 0x20, /* response msg DMA buf low 32 bits */ - RBUF_ADDR_HI = 0x24, /* response msg DMA buf high 32 bits */ - RBUF_BYTE_SZ = 0x28, - CARM_RESP_IDX = 0x2c, - CARM_CMS0 = 0x30, /* command message size reg 0 */ - CARM_LMUC = 0x48, - CARM_HMPHA = 0x6c, - CARM_INITC = 0xb5, - - /* bits in CARM_INT_{STAT,MASK} */ - INT_RESERVED = 0xfffffff0, - INT_WATCHDOG = (1 << 3), /* watchdog timer */ - INT_Q_OVERFLOW = (1 << 2), /* cmd msg q overflow */ - INT_Q_AVAILABLE = (1 << 1), /* cmd msg q has free space */ - INT_RESPONSE = (1 << 0), /* response msg available */ - INT_ACK_MASK = INT_WATCHDOG | INT_Q_OVERFLOW, - INT_DEF_MASK = INT_RESERVED | INT_Q_OVERFLOW | - INT_RESPONSE, - - /* command messages, and related register bits */ - CARM_HAVE_RESP = 0x01, - CARM_MSG_READ = 1, - CARM_MSG_WRITE = 2, - CARM_MSG_VERIFY = 3, - CARM_MSG_GET_CAPACITY = 4, - CARM_MSG_FLUSH = 5, - CARM_MSG_IOCTL = 6, - CARM_MSG_ARRAY = 8, - CARM_MSG_MISC = 9, - CARM_CME = (1 << 2), - CARM_RME = (1 << 1), - CARM_WZBC = (1 << 0), - CARM_RMI = (1 << 0), - CARM_Q_FULL = (1 << 3), - CARM_MSG_SIZE = 288, - CARM_Q_LEN = 48, - - /* CARM_MSG_IOCTL messages */ - CARM_IOC_SCAN_CHAN = 5, /* scan channels for devices */ - CARM_IOC_GET_TCQ = 13, /* get tcq/ncq depth */ - CARM_IOC_SET_TCQ = 14, /* set tcq/ncq depth */ - - IOC_SCAN_CHAN_NODEV = 0x1f, - IOC_SCAN_CHAN_OFFSET = 0x40, - - /* CARM_MSG_ARRAY messages */ - CARM_ARRAY_INFO = 0, - - ARRAY_NO_EXIST = (1 << 31), - - /* response messages */ - RMSG_SZ = 8, /* sizeof(struct carm_response) */ - RMSG_Q_LEN = 48, /* resp. msg list length */ - RMSG_OK = 1, /* bit indicating msg was successful */ - /* length of entire resp. msg buffer */ - RBUF_LEN = RMSG_SZ * RMSG_Q_LEN, - - PDC_SHM_SIZE = (4096 << 7), /* length of entire h/w buffer */ - - /* CARM_MSG_MISC messages */ - MISC_GET_FW_VER = 2, - MISC_ALLOC_MEM = 3, - MISC_SET_TIME = 5, - - /* MISC_GET_FW_VER feature bits */ - FW_VER_4PORT = (1 << 2), /* 1=4 ports, 0=8 ports */ - FW_VER_NON_RAID = (1 << 1), /* 1=non-RAID firmware, 0=RAID */ - FW_VER_ZCR = (1 << 0), /* zero channel RAID (whatever that is) */ - - /* carm_host flags */ - FL_NON_RAID = FW_VER_NON_RAID, - FL_4PORT = FW_VER_4PORT, - FL_FW_VER_MASK = (FW_VER_NON_RAID | FW_VER_4PORT), - FL_DAC = (1 << 16), - FL_DYN_MAJOR = (1 << 17), -}; - -enum { - CARM_SG_BOUNDARY = 0xffffUL, /* s/g segment boundary */ -}; - -enum scatter_gather_types { - SGT_32BIT = 0, - SGT_64BIT = 1, -}; - -enum host_states { - HST_INVALID, /* invalid state; never used */ - HST_ALLOC_BUF, /* setting up master SHM area */ - HST_ERROR, /* we never leave here */ - HST_PORT_SCAN, /* start dev scan */ - HST_DEV_SCAN_START, /* start per-device probe */ - HST_DEV_SCAN, /* continue per-device probe */ - HST_DEV_ACTIVATE, /* activate devices we found */ - HST_PROBE_FINISHED, /* probe is complete */ - HST_PROBE_START, /* initiate probe */ - HST_SYNC_TIME, /* tell firmware what time it is */ - HST_GET_FW_VER, /* get firmware version, adapter port cnt */ -}; - -#ifdef CARM_DEBUG -static const char *state_name[] = { - "HST_INVALID", - "HST_ALLOC_BUF", - "HST_ERROR", - "HST_PORT_SCAN", - "HST_DEV_SCAN_START", - "HST_DEV_SCAN", - "HST_DEV_ACTIVATE", - "HST_PROBE_FINISHED", - "HST_PROBE_START", - "HST_SYNC_TIME", - "HST_GET_FW_VER", -}; -#endif - -struct carm_port { - unsigned int port_no; - struct gendisk *disk; - struct carm_host *host; - - /* attached device characteristics */ - u64 capacity; - char name[41]; - u16 dev_geom_head; - u16 dev_geom_sect; - u16 dev_geom_cyl; -}; - -struct carm_request { - unsigned int tag; - int n_elem; - unsigned int msg_type; - unsigned int msg_subtype; - unsigned int msg_bucket; - struct request *rq; - struct carm_port *port; - struct scatterlist sg[CARM_MAX_REQ_SG]; -}; - -struct carm_host { - unsigned long flags; - void __iomem *mmio; - void *shm; - dma_addr_t shm_dma; - - int major; - int id; - char name[32]; - - spinlock_t lock; - struct pci_dev *pdev; - unsigned int state; - u32 fw_ver; - - struct request_queue *oob_q; - unsigned int n_oob; - - unsigned int hw_sg_used; - - unsigned int resp_idx; - - unsigned int wait_q_prod; - unsigned int wait_q_cons; - struct request_queue *wait_q[CARM_MAX_WAIT_Q]; - - unsigned int n_msgs; - u64 msg_alloc; - struct carm_request req[CARM_MAX_REQ]; - void *msg_base; - dma_addr_t msg_dma; - - int cur_scan_dev; - unsigned long dev_active; - unsigned long dev_present; - struct carm_port port[CARM_MAX_PORTS]; - - struct work_struct fsm_task; - - struct completion probe_comp; -}; - -struct carm_response { - __le32 ret_handle; - __le32 status; -} __attribute__((packed)); - -struct carm_msg_sg { - __le32 start; - __le32 len; -} __attribute__((packed)); - -struct carm_msg_rw { - u8 type; - u8 id; - u8 sg_count; - u8 sg_type; - __le32 handle; - __le32 lba; - __le16 lba_count; - __le16 lba_high; - struct carm_msg_sg sg[32]; -} __attribute__((packed)); - -struct carm_msg_allocbuf { - u8 type; - u8 subtype; - u8 n_sg; - u8 sg_type; - __le32 handle; - __le32 addr; - __le32 len; - __le32 evt_pool; - __le32 n_evt; - __le32 rbuf_pool; - __le32 n_rbuf; - __le32 msg_pool; - __le32 n_msg; - struct carm_msg_sg sg[8]; -} __attribute__((packed)); - -struct carm_msg_ioctl { - u8 type; - u8 subtype; - u8 array_id; - u8 reserved1; - __le32 handle; - __le32 data_addr; - u32 reserved2; -} __attribute__((packed)); - -struct carm_msg_sync_time { - u8 type; - u8 subtype; - u16 reserved1; - __le32 handle; - u32 reserved2; - __le32 timestamp; -} __attribute__((packed)); - -struct carm_msg_get_fw_ver { - u8 type; - u8 subtype; - u16 reserved1; - __le32 handle; - __le32 data_addr; - u32 reserved2; -} __attribute__((packed)); - -struct carm_fw_ver { - __le32 version; - u8 features; - u8 reserved1; - u16 reserved2; -} __attribute__((packed)); - -struct carm_array_info { - __le32 size; - - __le16 size_hi; - __le16 stripe_size; - - __le32 mode; - - __le16 stripe_blk_sz; - __le16 reserved1; - - __le16 cyl; - __le16 head; - - __le16 sect; - u8 array_id; - u8 reserved2; - - char name[40]; - - __le32 array_status; - - /* device list continues beyond this point? */ -} __attribute__((packed)); - -static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); -static void carm_remove_one (struct pci_dev *pdev); -static int carm_bdev_getgeo(struct block_device *bdev, struct hd_geometry *geo); - -static const struct pci_device_id carm_pci_tbl[] = { - { PCI_VENDOR_ID_PROMISE, 0x8000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, }, - { PCI_VENDOR_ID_PROMISE, 0x8002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, }, - { } /* terminate list */ -}; -MODULE_DEVICE_TABLE(pci, carm_pci_tbl); - -static struct pci_driver carm_driver = { - .name = DRV_NAME, - .id_table = carm_pci_tbl, - .probe = carm_init_one, - .remove = carm_remove_one, -}; - -static const struct block_device_operations carm_bd_ops = { - .owner = THIS_MODULE, - .getgeo = carm_bdev_getgeo, -}; - -static unsigned int carm_host_id; -static unsigned long carm_major_alloc; - - - -static int carm_bdev_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - struct carm_port *port = bdev->bd_disk->private_data; - - geo->heads = (u8) port->dev_geom_head; - geo->sectors = (u8) port->dev_geom_sect; - geo->cylinders = port->dev_geom_cyl; - return 0; -} - -static const u32 msg_sizes[] = { 32, 64, 128, CARM_MSG_SIZE }; - -static inline int carm_lookup_bucket(u32 msg_size) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(msg_sizes); i++) - if (msg_size <= msg_sizes[i]) - return i; - - return -ENOENT; -} - -static void carm_init_buckets(void __iomem *mmio) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(msg_sizes); i++) - writel(msg_sizes[i], mmio + CARM_CMS0 + (4 * i)); -} - -static inline void *carm_ref_msg(struct carm_host *host, - unsigned int msg_idx) -{ - return host->msg_base + (msg_idx * CARM_MSG_SIZE); -} - -static inline dma_addr_t carm_ref_msg_dma(struct carm_host *host, - unsigned int msg_idx) -{ - return host->msg_dma + (msg_idx * CARM_MSG_SIZE); -} - -static int carm_send_msg(struct carm_host *host, - struct carm_request *crq) -{ - void __iomem *mmio = host->mmio; - u32 msg = (u32) carm_ref_msg_dma(host, crq->tag); - u32 cm_bucket = crq->msg_bucket; - u32 tmp; - int rc = 0; - - VPRINTK("ENTER\n"); - - tmp = readl(mmio + CARM_HMUC); - if (tmp & CARM_Q_FULL) { -#if 0 - tmp = readl(mmio + CARM_INT_MASK); - tmp |= INT_Q_AVAILABLE; - writel(tmp, mmio + CARM_INT_MASK); - readl(mmio + CARM_INT_MASK); /* flush */ -#endif - DPRINTK("host msg queue full\n"); - rc = -EBUSY; - } else { - writel(msg | (cm_bucket << 1), mmio + CARM_IHQP); - readl(mmio + CARM_IHQP); /* flush */ - } - - return rc; -} - -static struct carm_request *carm_get_request(struct carm_host *host) -{ - unsigned int i; - - /* obey global hardware limit on S/G entries */ - if (host->hw_sg_used >= (CARM_MAX_HOST_SG - CARM_MAX_REQ_SG)) - return NULL; - - for (i = 0; i < max_queue; i++) - if ((host->msg_alloc & (1ULL << i)) == 0) { - struct carm_request *crq = &host->req[i]; - crq->port = NULL; - crq->n_elem = 0; - - host->msg_alloc |= (1ULL << i); - host->n_msgs++; - - assert(host->n_msgs <= CARM_MAX_REQ); - sg_init_table(crq->sg, CARM_MAX_REQ_SG); - return crq; - } - - DPRINTK("no request available, returning NULL\n"); - return NULL; -} - -static int carm_put_request(struct carm_host *host, struct carm_request *crq) -{ - assert(crq->tag < max_queue); - - if (unlikely((host->msg_alloc & (1ULL << crq->tag)) == 0)) - return -EINVAL; /* tried to clear a tag that was not active */ - - assert(host->hw_sg_used >= crq->n_elem); - - host->msg_alloc &= ~(1ULL << crq->tag); - host->hw_sg_used -= crq->n_elem; - host->n_msgs--; - - return 0; -} - -static struct carm_request *carm_get_special(struct carm_host *host) -{ - unsigned long flags; - struct carm_request *crq = NULL; - struct request *rq; - int tries = 5000; - - while (tries-- > 0) { - spin_lock_irqsave(&host->lock, flags); - crq = carm_get_request(host); - spin_unlock_irqrestore(&host->lock, flags); - - if (crq) - break; - msleep(10); - } - - if (!crq) - return NULL; - - rq = blk_get_request(host->oob_q, REQ_OP_DRV_OUT, 0); - if (IS_ERR(rq)) { - spin_lock_irqsave(&host->lock, flags); - carm_put_request(host, crq); - spin_unlock_irqrestore(&host->lock, flags); - return NULL; - } - - crq->rq = rq; - return crq; -} - -static int carm_array_info (struct carm_host *host, unsigned int array_idx) -{ - struct carm_msg_ioctl *ioc; - unsigned int idx; - u32 msg_data; - dma_addr_t msg_dma; - struct carm_request *crq; - int rc; - - crq = carm_get_special(host); - if (!crq) { - rc = -ENOMEM; - goto err_out; - } - - idx = crq->tag; - - ioc = carm_ref_msg(host, idx); - msg_dma = carm_ref_msg_dma(host, idx); - msg_data = (u32) (msg_dma + sizeof(struct carm_array_info)); - - crq->msg_type = CARM_MSG_ARRAY; - crq->msg_subtype = CARM_ARRAY_INFO; - rc = carm_lookup_bucket(sizeof(struct carm_msg_ioctl) + - sizeof(struct carm_array_info)); - BUG_ON(rc < 0); - crq->msg_bucket = (u32) rc; - - memset(ioc, 0, sizeof(*ioc)); - ioc->type = CARM_MSG_ARRAY; - ioc->subtype = CARM_ARRAY_INFO; - ioc->array_id = (u8) array_idx; - ioc->handle = cpu_to_le32(TAG_ENCODE(idx)); - ioc->data_addr = cpu_to_le32(msg_data); - - spin_lock_irq(&host->lock); - assert(host->state == HST_DEV_SCAN_START || - host->state == HST_DEV_SCAN); - spin_unlock_irq(&host->lock); - - DPRINTK("blk_execute_rq_nowait, tag == %u\n", idx); - crq->rq->special = crq; - blk_execute_rq_nowait(host->oob_q, NULL, crq->rq, true, NULL); - - return 0; - -err_out: - spin_lock_irq(&host->lock); - host->state = HST_ERROR; - spin_unlock_irq(&host->lock); - return rc; -} - -typedef unsigned int (*carm_sspc_t)(struct carm_host *, unsigned int, void *); - -static int carm_send_special (struct carm_host *host, carm_sspc_t func) -{ - struct carm_request *crq; - struct carm_msg_ioctl *ioc; - void *mem; - unsigned int idx, msg_size; - int rc; - - crq = carm_get_special(host); - if (!crq) - return -ENOMEM; - - idx = crq->tag; - - mem = carm_ref_msg(host, idx); - - msg_size = func(host, idx, mem); - - ioc = mem; - crq->msg_type = ioc->type; - crq->msg_subtype = ioc->subtype; - rc = carm_lookup_bucket(msg_size); - BUG_ON(rc < 0); - crq->msg_bucket = (u32) rc; - - DPRINTK("blk_execute_rq_nowait, tag == %u\n", idx); - crq->rq->special = crq; - blk_execute_rq_nowait(host->oob_q, NULL, crq->rq, true, NULL); - - return 0; -} - -static unsigned int carm_fill_sync_time(struct carm_host *host, - unsigned int idx, void *mem) -{ - struct carm_msg_sync_time *st = mem; - - time64_t tv = ktime_get_real_seconds(); - - memset(st, 0, sizeof(*st)); - st->type = CARM_MSG_MISC; - st->subtype = MISC_SET_TIME; - st->handle = cpu_to_le32(TAG_ENCODE(idx)); - st->timestamp = cpu_to_le32(tv); - - return sizeof(struct carm_msg_sync_time); -} - -static unsigned int carm_fill_alloc_buf(struct carm_host *host, - unsigned int idx, void *mem) -{ - struct carm_msg_allocbuf *ab = mem; - - memset(ab, 0, sizeof(*ab)); - ab->type = CARM_MSG_MISC; - ab->subtype = MISC_ALLOC_MEM; - ab->handle = cpu_to_le32(TAG_ENCODE(idx)); - ab->n_sg = 1; - ab->sg_type = SGT_32BIT; - ab->addr = cpu_to_le32(host->shm_dma + (PDC_SHM_SIZE >> 1)); - ab->len = cpu_to_le32(PDC_SHM_SIZE >> 1); - ab->evt_pool = cpu_to_le32(host->shm_dma + (16 * 1024)); - ab->n_evt = cpu_to_le32(1024); - ab->rbuf_pool = cpu_to_le32(host->shm_dma); - ab->n_rbuf = cpu_to_le32(RMSG_Q_LEN); - ab->msg_pool = cpu_to_le32(host->shm_dma + RBUF_LEN); - ab->n_msg = cpu_to_le32(CARM_Q_LEN); - ab->sg[0].start = cpu_to_le32(host->shm_dma + (PDC_SHM_SIZE >> 1)); - ab->sg[0].len = cpu_to_le32(65536); - - return sizeof(struct carm_msg_allocbuf); -} - -static unsigned int carm_fill_scan_channels(struct carm_host *host, - unsigned int idx, void *mem) -{ - struct carm_msg_ioctl *ioc = mem; - u32 msg_data = (u32) (carm_ref_msg_dma(host, idx) + - IOC_SCAN_CHAN_OFFSET); - - memset(ioc, 0, sizeof(*ioc)); - ioc->type = CARM_MSG_IOCTL; - ioc->subtype = CARM_IOC_SCAN_CHAN; - ioc->handle = cpu_to_le32(TAG_ENCODE(idx)); - ioc->data_addr = cpu_to_le32(msg_data); - - /* fill output data area with "no device" default values */ - mem += IOC_SCAN_CHAN_OFFSET; - memset(mem, IOC_SCAN_CHAN_NODEV, CARM_MAX_PORTS); - - return IOC_SCAN_CHAN_OFFSET + CARM_MAX_PORTS; -} - -static unsigned int carm_fill_get_fw_ver(struct carm_host *host, - unsigned int idx, void *mem) -{ - struct carm_msg_get_fw_ver *ioc = mem; - u32 msg_data = (u32) (carm_ref_msg_dma(host, idx) + sizeof(*ioc)); - - memset(ioc, 0, sizeof(*ioc)); - ioc->type = CARM_MSG_MISC; - ioc->subtype = MISC_GET_FW_VER; - ioc->handle = cpu_to_le32(TAG_ENCODE(idx)); - ioc->data_addr = cpu_to_le32(msg_data); - - return sizeof(struct carm_msg_get_fw_ver) + - sizeof(struct carm_fw_ver); -} - -static inline void carm_end_request_queued(struct carm_host *host, - struct carm_request *crq, - blk_status_t error) -{ - struct request *req = crq->rq; - int rc; - - __blk_end_request_all(req, error); - - rc = carm_put_request(host, crq); - assert(rc == 0); -} - -static inline void carm_push_q (struct carm_host *host, struct request_queue *q) -{ - unsigned int idx = host->wait_q_prod % CARM_MAX_WAIT_Q; - - blk_stop_queue(q); - VPRINTK("STOPPED QUEUE %p\n", q); - - host->wait_q[idx] = q; - host->wait_q_prod++; - BUG_ON(host->wait_q_prod == host->wait_q_cons); /* overrun */ -} - -static inline struct request_queue *carm_pop_q(struct carm_host *host) -{ - unsigned int idx; - - if (host->wait_q_prod == host->wait_q_cons) - return NULL; - - idx = host->wait_q_cons % CARM_MAX_WAIT_Q; - host->wait_q_cons++; - - return host->wait_q[idx]; -} - -static inline void carm_round_robin(struct carm_host *host) -{ - struct request_queue *q = carm_pop_q(host); - if (q) { - blk_start_queue(q); - VPRINTK("STARTED QUEUE %p\n", q); - } -} - -static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq, - blk_status_t error) -{ - carm_end_request_queued(host, crq, error); - if (max_queue == 1) - carm_round_robin(host); - else if ((host->n_msgs <= CARM_MSG_LOW_WATER) && - (host->hw_sg_used <= CARM_SG_LOW_WATER)) { - carm_round_robin(host); - } -} - -static void carm_oob_rq_fn(struct request_queue *q) -{ - struct carm_host *host = q->queuedata; - struct carm_request *crq; - struct request *rq; - int rc; - - while (1) { - DPRINTK("get req\n"); - rq = blk_fetch_request(q); - if (!rq) - break; - - crq = rq->special; - assert(crq != NULL); - assert(crq->rq == rq); - - crq->n_elem = 0; - - DPRINTK("send req\n"); - rc = carm_send_msg(host, crq); - if (rc) { - blk_requeue_request(q, rq); - carm_push_q(host, q); - return; /* call us again later, eventually */ - } - } -} - -static void carm_rq_fn(struct request_queue *q) -{ - struct carm_port *port = q->queuedata; - struct carm_host *host = port->host; - struct carm_msg_rw *msg; - struct carm_request *crq; - struct request *rq; - struct scatterlist *sg; - int writing = 0, pci_dir, i, n_elem, rc; - u32 tmp; - unsigned int msg_size; - -queue_one_request: - VPRINTK("get req\n"); - rq = blk_peek_request(q); - if (!rq) - return; - - crq = carm_get_request(host); - if (!crq) { - carm_push_q(host, q); - return; /* call us again later, eventually */ - } - crq->rq = rq; - - blk_start_request(rq); - - if (rq_data_dir(rq) == WRITE) { - writing = 1; - pci_dir = PCI_DMA_TODEVICE; - } else { - pci_dir = PCI_DMA_FROMDEVICE; - } - - /* get scatterlist from block layer */ - sg = &crq->sg[0]; - n_elem = blk_rq_map_sg(q, rq, sg); - if (n_elem <= 0) { - carm_end_rq(host, crq, BLK_STS_IOERR); - return; /* request with no s/g entries? */ - } - - /* map scatterlist to PCI bus addresses */ - n_elem = pci_map_sg(host->pdev, sg, n_elem, pci_dir); - if (n_elem <= 0) { - carm_end_rq(host, crq, BLK_STS_IOERR); - return; /* request with no s/g entries? */ - } - crq->n_elem = n_elem; - crq->port = port; - host->hw_sg_used += n_elem; - - /* - * build read/write message - */ - - VPRINTK("build msg\n"); - msg = (struct carm_msg_rw *) carm_ref_msg(host, crq->tag); - - if (writing) { - msg->type = CARM_MSG_WRITE; - crq->msg_type = CARM_MSG_WRITE; - } else { - msg->type = CARM_MSG_READ; - crq->msg_type = CARM_MSG_READ; - } - - msg->id = port->port_no; - msg->sg_count = n_elem; - msg->sg_type = SGT_32BIT; - msg->handle = cpu_to_le32(TAG_ENCODE(crq->tag)); - msg->lba = cpu_to_le32(blk_rq_pos(rq) & 0xffffffff); - tmp = (blk_rq_pos(rq) >> 16) >> 16; - msg->lba_high = cpu_to_le16( (u16) tmp ); - msg->lba_count = cpu_to_le16(blk_rq_sectors(rq)); - - msg_size = sizeof(struct carm_msg_rw) - sizeof(msg->sg); - for (i = 0; i < n_elem; i++) { - struct carm_msg_sg *carm_sg = &msg->sg[i]; - carm_sg->start = cpu_to_le32(sg_dma_address(&crq->sg[i])); - carm_sg->len = cpu_to_le32(sg_dma_len(&crq->sg[i])); - msg_size += sizeof(struct carm_msg_sg); - } - - rc = carm_lookup_bucket(msg_size); - BUG_ON(rc < 0); - crq->msg_bucket = (u32) rc; - - /* - * queue read/write message to hardware - */ - - VPRINTK("send msg, tag == %u\n", crq->tag); - rc = carm_send_msg(host, crq); - if (rc) { - carm_put_request(host, crq); - blk_requeue_request(q, rq); - carm_push_q(host, q); - return; /* call us again later, eventually */ - } - - goto queue_one_request; -} - -static void carm_handle_array_info(struct carm_host *host, - struct carm_request *crq, u8 *mem, - blk_status_t error) -{ - struct carm_port *port; - u8 *msg_data = mem + sizeof(struct carm_array_info); - struct carm_array_info *desc = (struct carm_array_info *) msg_data; - u64 lo, hi; - int cur_port; - size_t slen; - - DPRINTK("ENTER\n"); - - carm_end_rq(host, crq, error); - - if (error) - goto out; - if (le32_to_cpu(desc->array_status) & ARRAY_NO_EXIST) - goto out; - - cur_port = host->cur_scan_dev; - - /* should never occur */ - if ((cur_port < 0) || (cur_port >= CARM_MAX_PORTS)) { - printk(KERN_ERR PFX "BUG: cur_scan_dev==%d, array_id==%d\n", - cur_port, (int) desc->array_id); - goto out; - } - - port = &host->port[cur_port]; - - lo = (u64) le32_to_cpu(desc->size); - hi = (u64) le16_to_cpu(desc->size_hi); - - port->capacity = lo | (hi << 32); - port->dev_geom_head = le16_to_cpu(desc->head); - port->dev_geom_sect = le16_to_cpu(desc->sect); - port->dev_geom_cyl = le16_to_cpu(desc->cyl); - - host->dev_active |= (1 << cur_port); - - strncpy(port->name, desc->name, sizeof(port->name)); - port->name[sizeof(port->name) - 1] = 0; - slen = strlen(port->name); - while (slen && (port->name[slen - 1] == ' ')) { - port->name[slen - 1] = 0; - slen--; - } - - printk(KERN_INFO DRV_NAME "(%s): port %u device %Lu sectors\n", - pci_name(host->pdev), port->port_no, - (unsigned long long) port->capacity); - printk(KERN_INFO DRV_NAME "(%s): port %u device \"%s\"\n", - pci_name(host->pdev), port->port_no, port->name); - -out: - assert(host->state == HST_DEV_SCAN); - schedule_work(&host->fsm_task); -} - -static void carm_handle_scan_chan(struct carm_host *host, - struct carm_request *crq, u8 *mem, - blk_status_t error) -{ - u8 *msg_data = mem + IOC_SCAN_CHAN_OFFSET; - unsigned int i, dev_count = 0; - int new_state = HST_DEV_SCAN_START; - - DPRINTK("ENTER\n"); - - carm_end_rq(host, crq, error); - - if (error) { - new_state = HST_ERROR; - goto out; - } - - /* TODO: scan and support non-disk devices */ - for (i = 0; i < 8; i++) - if (msg_data[i] == 0) { /* direct-access device (disk) */ - host->dev_present |= (1 << i); - dev_count++; - } - - printk(KERN_INFO DRV_NAME "(%s): found %u interesting devices\n", - pci_name(host->pdev), dev_count); - -out: - assert(host->state == HST_PORT_SCAN); - host->state = new_state; - schedule_work(&host->fsm_task); -} - -static void carm_handle_generic(struct carm_host *host, - struct carm_request *crq, blk_status_t error, - int cur_state, int next_state) -{ - DPRINTK("ENTER\n"); - - carm_end_rq(host, crq, error); - - assert(host->state == cur_state); - if (error) - host->state = HST_ERROR; - else - host->state = next_state; - schedule_work(&host->fsm_task); -} - -static inline void carm_handle_rw(struct carm_host *host, - struct carm_request *crq, blk_status_t error) -{ - int pci_dir; - - VPRINTK("ENTER\n"); - - if (rq_data_dir(crq->rq) == WRITE) - pci_dir = PCI_DMA_TODEVICE; - else - pci_dir = PCI_DMA_FROMDEVICE; - - pci_unmap_sg(host->pdev, &crq->sg[0], crq->n_elem, pci_dir); - - carm_end_rq(host, crq, error); -} - -static inline void carm_handle_resp(struct carm_host *host, - __le32 ret_handle_le, u32 status) -{ - u32 handle = le32_to_cpu(ret_handle_le); - unsigned int msg_idx; - struct carm_request *crq; - blk_status_t error = (status == RMSG_OK) ? 0 : BLK_STS_IOERR; - u8 *mem; - - VPRINTK("ENTER, handle == 0x%x\n", handle); - - if (unlikely(!TAG_VALID(handle))) { - printk(KERN_ERR DRV_NAME "(%s): BUG: invalid tag 0x%x\n", - pci_name(host->pdev), handle); - return; - } - - msg_idx = TAG_DECODE(handle); - VPRINTK("tag == %u\n", msg_idx); - - crq = &host->req[msg_idx]; - - /* fast path */ - if (likely(crq->msg_type == CARM_MSG_READ || - crq->msg_type == CARM_MSG_WRITE)) { - carm_handle_rw(host, crq, error); - return; - } - - mem = carm_ref_msg(host, msg_idx); - - switch (crq->msg_type) { - case CARM_MSG_IOCTL: { - switch (crq->msg_subtype) { - case CARM_IOC_SCAN_CHAN: - carm_handle_scan_chan(host, crq, mem, error); - break; - default: - /* unknown / invalid response */ - goto err_out; - } - break; - } - - case CARM_MSG_MISC: { - switch (crq->msg_subtype) { - case MISC_ALLOC_MEM: - carm_handle_generic(host, crq, error, - HST_ALLOC_BUF, HST_SYNC_TIME); - break; - case MISC_SET_TIME: - carm_handle_generic(host, crq, error, - HST_SYNC_TIME, HST_GET_FW_VER); - break; - case MISC_GET_FW_VER: { - struct carm_fw_ver *ver = (struct carm_fw_ver *) - (mem + sizeof(struct carm_msg_get_fw_ver)); - if (!error) { - host->fw_ver = le32_to_cpu(ver->version); - host->flags |= (ver->features & FL_FW_VER_MASK); - } - carm_handle_generic(host, crq, error, - HST_GET_FW_VER, HST_PORT_SCAN); - break; - } - default: - /* unknown / invalid response */ - goto err_out; - } - break; - } - - case CARM_MSG_ARRAY: { - switch (crq->msg_subtype) { - case CARM_ARRAY_INFO: - carm_handle_array_info(host, crq, mem, error); - break; - default: - /* unknown / invalid response */ - goto err_out; - } - break; - } - - default: - /* unknown / invalid response */ - goto err_out; - } - - return; - -err_out: - printk(KERN_WARNING DRV_NAME "(%s): BUG: unhandled message type %d/%d\n", - pci_name(host->pdev), crq->msg_type, crq->msg_subtype); - carm_end_rq(host, crq, BLK_STS_IOERR); -} - -static inline void carm_handle_responses(struct carm_host *host) -{ - void __iomem *mmio = host->mmio; - struct carm_response *resp = (struct carm_response *) host->shm; - unsigned int work = 0; - unsigned int idx = host->resp_idx % RMSG_Q_LEN; - - while (1) { - u32 status = le32_to_cpu(resp[idx].status); - - if (status == 0xffffffff) { - VPRINTK("ending response on index %u\n", idx); - writel(idx << 3, mmio + CARM_RESP_IDX); - break; - } - - /* response to a message we sent */ - else if ((status & (1 << 31)) == 0) { - VPRINTK("handling msg response on index %u\n", idx); - carm_handle_resp(host, resp[idx].ret_handle, status); - resp[idx].status = cpu_to_le32(0xffffffff); - } - - /* asynchronous events the hardware throws our way */ - else if ((status & 0xff000000) == (1 << 31)) { - u8 *evt_type_ptr = (u8 *) &resp[idx]; - u8 evt_type = *evt_type_ptr; - printk(KERN_WARNING DRV_NAME "(%s): unhandled event type %d\n", - pci_name(host->pdev), (int) evt_type); - resp[idx].status = cpu_to_le32(0xffffffff); - } - - idx = NEXT_RESP(idx); - work++; - } - - VPRINTK("EXIT, work==%u\n", work); - host->resp_idx += work; -} - -static irqreturn_t carm_interrupt(int irq, void *__host) -{ - struct carm_host *host = __host; - void __iomem *mmio; - u32 mask; - int handled = 0; - unsigned long flags; - - if (!host) { - VPRINTK("no host\n"); - return IRQ_NONE; - } - - spin_lock_irqsave(&host->lock, flags); - - mmio = host->mmio; - - /* reading should also clear interrupts */ - mask = readl(mmio + CARM_INT_STAT); - - if (mask == 0 || mask == 0xffffffff) { - VPRINTK("no work, mask == 0x%x\n", mask); - goto out; - } - - if (mask & INT_ACK_MASK) - writel(mask, mmio + CARM_INT_STAT); - - if (unlikely(host->state == HST_INVALID)) { - VPRINTK("not initialized yet, mask = 0x%x\n", mask); - goto out; - } - - if (mask & CARM_HAVE_RESP) { - handled = 1; - carm_handle_responses(host); - } - -out: - spin_unlock_irqrestore(&host->lock, flags); - VPRINTK("EXIT\n"); - return IRQ_RETVAL(handled); -} - -static void carm_fsm_task (struct work_struct *work) -{ - struct carm_host *host = - container_of(work, struct carm_host, fsm_task); - unsigned long flags; - unsigned int state; - int rc, i, next_dev; - int reschedule = 0; - int new_state = HST_INVALID; - - spin_lock_irqsave(&host->lock, flags); - state = host->state; - spin_unlock_irqrestore(&host->lock, flags); - - DPRINTK("ENTER, state == %s\n", state_name[state]); - - switch (state) { - case HST_PROBE_START: - new_state = HST_ALLOC_BUF; - reschedule = 1; - break; - - case HST_ALLOC_BUF: - rc = carm_send_special(host, carm_fill_alloc_buf); - if (rc) { - new_state = HST_ERROR; - reschedule = 1; - } - break; - - case HST_SYNC_TIME: - rc = carm_send_special(host, carm_fill_sync_time); - if (rc) { - new_state = HST_ERROR; - reschedule = 1; - } - break; - - case HST_GET_FW_VER: - rc = carm_send_special(host, carm_fill_get_fw_ver); - if (rc) { - new_state = HST_ERROR; - reschedule = 1; - } - break; - - case HST_PORT_SCAN: - rc = carm_send_special(host, carm_fill_scan_channels); - if (rc) { - new_state = HST_ERROR; - reschedule = 1; - } - break; - - case HST_DEV_SCAN_START: - host->cur_scan_dev = -1; - new_state = HST_DEV_SCAN; - reschedule = 1; - break; - - case HST_DEV_SCAN: - next_dev = -1; - for (i = host->cur_scan_dev + 1; i < CARM_MAX_PORTS; i++) - if (host->dev_present & (1 << i)) { - next_dev = i; - break; - } - - if (next_dev >= 0) { - host->cur_scan_dev = next_dev; - rc = carm_array_info(host, next_dev); - if (rc) { - new_state = HST_ERROR; - reschedule = 1; - } - } else { - new_state = HST_DEV_ACTIVATE; - reschedule = 1; - } - break; - - case HST_DEV_ACTIVATE: { - int activated = 0; - for (i = 0; i < CARM_MAX_PORTS; i++) - if (host->dev_active & (1 << i)) { - struct carm_port *port = &host->port[i]; - struct gendisk *disk = port->disk; - - set_capacity(disk, port->capacity); - add_disk(disk); - activated++; - } - - printk(KERN_INFO DRV_NAME "(%s): %d ports activated\n", - pci_name(host->pdev), activated); - - new_state = HST_PROBE_FINISHED; - reschedule = 1; - break; - } - - case HST_PROBE_FINISHED: - complete(&host->probe_comp); - break; - - case HST_ERROR: - /* FIXME: TODO */ - break; - - default: - /* should never occur */ - printk(KERN_ERR PFX "BUG: unknown state %d\n", state); - assert(0); - break; - } - - if (new_state != HST_INVALID) { - spin_lock_irqsave(&host->lock, flags); - host->state = new_state; - spin_unlock_irqrestore(&host->lock, flags); - } - if (reschedule) - schedule_work(&host->fsm_task); -} - -static int carm_init_wait(void __iomem *mmio, u32 bits, unsigned int test_bit) -{ - unsigned int i; - - for (i = 0; i < 50000; i++) { - u32 tmp = readl(mmio + CARM_LMUC); - udelay(100); - - if (test_bit) { - if ((tmp & bits) == bits) - return 0; - } else { - if ((tmp & bits) == 0) - return 0; - } - - cond_resched(); - } - - printk(KERN_ERR PFX "carm_init_wait timeout, bits == 0x%x, test_bit == %s\n", - bits, test_bit ? "yes" : "no"); - return -EBUSY; -} - -static void carm_init_responses(struct carm_host *host) -{ - void __iomem *mmio = host->mmio; - unsigned int i; - struct carm_response *resp = (struct carm_response *) host->shm; - - for (i = 0; i < RMSG_Q_LEN; i++) - resp[i].status = cpu_to_le32(0xffffffff); - - writel(0, mmio + CARM_RESP_IDX); -} - -static int carm_init_host(struct carm_host *host) -{ - void __iomem *mmio = host->mmio; - u32 tmp; - u8 tmp8; - int rc; - - DPRINTK("ENTER\n"); - - writel(0, mmio + CARM_INT_MASK); - - tmp8 = readb(mmio + CARM_INITC); - if (tmp8 & 0x01) { - tmp8 &= ~0x01; - writeb(tmp8, mmio + CARM_INITC); - readb(mmio + CARM_INITC); /* flush */ - - DPRINTK("snooze...\n"); - msleep(5000); - } - - tmp = readl(mmio + CARM_HMUC); - if (tmp & CARM_CME) { - DPRINTK("CME bit present, waiting\n"); - rc = carm_init_wait(mmio, CARM_CME, 1); - if (rc) { - DPRINTK("EXIT, carm_init_wait 1 failed\n"); - return rc; - } - } - if (tmp & CARM_RME) { - DPRINTK("RME bit present, waiting\n"); - rc = carm_init_wait(mmio, CARM_RME, 1); - if (rc) { - DPRINTK("EXIT, carm_init_wait 2 failed\n"); - return rc; - } - } - - tmp &= ~(CARM_RME | CARM_CME); - writel(tmp, mmio + CARM_HMUC); - readl(mmio + CARM_HMUC); /* flush */ - - rc = carm_init_wait(mmio, CARM_RME | CARM_CME, 0); - if (rc) { - DPRINTK("EXIT, carm_init_wait 3 failed\n"); - return rc; - } - - carm_init_buckets(mmio); - - writel(host->shm_dma & 0xffffffff, mmio + RBUF_ADDR_LO); - writel((host->shm_dma >> 16) >> 16, mmio + RBUF_ADDR_HI); - writel(RBUF_LEN, mmio + RBUF_BYTE_SZ); - - tmp = readl(mmio + CARM_HMUC); - tmp |= (CARM_RME | CARM_CME | CARM_WZBC); - writel(tmp, mmio + CARM_HMUC); - readl(mmio + CARM_HMUC); /* flush */ - - rc = carm_init_wait(mmio, CARM_RME | CARM_CME, 1); - if (rc) { - DPRINTK("EXIT, carm_init_wait 4 failed\n"); - return rc; - } - - writel(0, mmio + CARM_HMPHA); - writel(INT_DEF_MASK, mmio + CARM_INT_MASK); - - carm_init_responses(host); - - /* start initialization, probing state machine */ - spin_lock_irq(&host->lock); - assert(host->state == HST_INVALID); - host->state = HST_PROBE_START; - spin_unlock_irq(&host->lock); - schedule_work(&host->fsm_task); - - DPRINTK("EXIT\n"); - return 0; -} - -static int carm_init_disks(struct carm_host *host) -{ - unsigned int i; - int rc = 0; - - for (i = 0; i < CARM_MAX_PORTS; i++) { - struct gendisk *disk; - struct request_queue *q; - struct carm_port *port; - - port = &host->port[i]; - port->host = host; - port->port_no = i; - - disk = alloc_disk(CARM_MINORS_PER_MAJOR); - if (!disk) { - rc = -ENOMEM; - break; - } - - port->disk = disk; - sprintf(disk->disk_name, DRV_NAME "/%u", - (unsigned int) (host->id * CARM_MAX_PORTS) + i); - disk->major = host->major; - disk->first_minor = i * CARM_MINORS_PER_MAJOR; - disk->fops = &carm_bd_ops; - disk->private_data = port; - - q = blk_init_queue(carm_rq_fn, &host->lock); - if (!q) { - rc = -ENOMEM; - break; - } - disk->queue = q; - blk_queue_max_segments(q, CARM_MAX_REQ_SG); - blk_queue_segment_boundary(q, CARM_SG_BOUNDARY); - - q->queuedata = port; - } - - return rc; -} - -static void carm_free_disks(struct carm_host *host) -{ - unsigned int i; - - for (i = 0; i < CARM_MAX_PORTS; i++) { - struct gendisk *disk = host->port[i].disk; - if (disk) { - struct request_queue *q = disk->queue; - - if (disk->flags & GENHD_FL_UP) - del_gendisk(disk); - if (q) - blk_cleanup_queue(q); - put_disk(disk); - } - } -} - -static int carm_init_shm(struct carm_host *host) -{ - host->shm = pci_alloc_consistent(host->pdev, CARM_SHM_SIZE, - &host->shm_dma); - if (!host->shm) - return -ENOMEM; - - host->msg_base = host->shm + RBUF_LEN; - host->msg_dma = host->shm_dma + RBUF_LEN; - - memset(host->shm, 0xff, RBUF_LEN); - memset(host->msg_base, 0, PDC_SHM_SIZE - RBUF_LEN); - - return 0; -} - -static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) -{ - struct carm_host *host; - unsigned int pci_dac; - int rc; - struct request_queue *q; - unsigned int i; - - printk_once(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n"); - - rc = pci_enable_device(pdev); - if (rc) - return rc; - - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) - goto err_out; - -#ifdef IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */ - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if (!rc) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (rc) { - printk(KERN_ERR DRV_NAME "(%s): consistent DMA mask failure\n", - pci_name(pdev)); - goto err_out_regions; - } - pci_dac = 1; - } else { -#endif - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - printk(KERN_ERR DRV_NAME "(%s): DMA mask failure\n", - pci_name(pdev)); - goto err_out_regions; - } - pci_dac = 0; -#ifdef IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */ - } -#endif - - host = kzalloc(sizeof(*host), GFP_KERNEL); - if (!host) { - printk(KERN_ERR DRV_NAME "(%s): memory alloc failure\n", - pci_name(pdev)); - rc = -ENOMEM; - goto err_out_regions; - } - - host->pdev = pdev; - host->flags = pci_dac ? FL_DAC : 0; - spin_lock_init(&host->lock); - INIT_WORK(&host->fsm_task, carm_fsm_task); - init_completion(&host->probe_comp); - - for (i = 0; i < ARRAY_SIZE(host->req); i++) - host->req[i].tag = i; - - host->mmio = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - if (!host->mmio) { - printk(KERN_ERR DRV_NAME "(%s): MMIO alloc failure\n", - pci_name(pdev)); - rc = -ENOMEM; - goto err_out_kfree; - } - - rc = carm_init_shm(host); - if (rc) { - printk(KERN_ERR DRV_NAME "(%s): DMA SHM alloc failure\n", - pci_name(pdev)); - goto err_out_iounmap; - } - - q = blk_init_queue(carm_oob_rq_fn, &host->lock); - if (!q) { - printk(KERN_ERR DRV_NAME "(%s): OOB queue alloc failure\n", - pci_name(pdev)); - rc = -ENOMEM; - goto err_out_pci_free; - } - host->oob_q = q; - q->queuedata = host; - - /* - * Figure out which major to use: 160, 161, or dynamic - */ - if (!test_and_set_bit(0, &carm_major_alloc)) - host->major = 160; - else if (!test_and_set_bit(1, &carm_major_alloc)) - host->major = 161; - else - host->flags |= FL_DYN_MAJOR; - - host->id = carm_host_id; - sprintf(host->name, DRV_NAME "%d", carm_host_id); - - rc = register_blkdev(host->major, host->name); - if (rc < 0) - goto err_out_free_majors; - if (host->flags & FL_DYN_MAJOR) - host->major = rc; - - rc = carm_init_disks(host); - if (rc) - goto err_out_blkdev_disks; - - pci_set_master(pdev); - - rc = request_irq(pdev->irq, carm_interrupt, IRQF_SHARED, DRV_NAME, host); - if (rc) { - printk(KERN_ERR DRV_NAME "(%s): irq alloc failure\n", - pci_name(pdev)); - goto err_out_blkdev_disks; - } - - rc = carm_init_host(host); - if (rc) - goto err_out_free_irq; - - DPRINTK("waiting for probe_comp\n"); - wait_for_completion(&host->probe_comp); - - printk(KERN_INFO "%s: pci %s, ports %d, io %llx, irq %u, major %d\n", - host->name, pci_name(pdev), (int) CARM_MAX_PORTS, - (unsigned long long)pci_resource_start(pdev, 0), - pdev->irq, host->major); - - carm_host_id++; - pci_set_drvdata(pdev, host); - return 0; - -err_out_free_irq: - free_irq(pdev->irq, host); -err_out_blkdev_disks: - carm_free_disks(host); - unregister_blkdev(host->major, host->name); -err_out_free_majors: - if (host->major == 160) - clear_bit(0, &carm_major_alloc); - else if (host->major == 161) - clear_bit(1, &carm_major_alloc); - blk_cleanup_queue(host->oob_q); -err_out_pci_free: - pci_free_consistent(pdev, CARM_SHM_SIZE, host->shm, host->shm_dma); -err_out_iounmap: - iounmap(host->mmio); -err_out_kfree: - kfree(host); -err_out_regions: - pci_release_regions(pdev); -err_out: - pci_disable_device(pdev); - return rc; -} - -static void carm_remove_one (struct pci_dev *pdev) -{ - struct carm_host *host = pci_get_drvdata(pdev); - - if (!host) { - printk(KERN_ERR PFX "BUG: no host data for PCI(%s)\n", - pci_name(pdev)); - return; - } - - free_irq(pdev->irq, host); - carm_free_disks(host); - unregister_blkdev(host->major, host->name); - if (host->major == 160) - clear_bit(0, &carm_major_alloc); - else if (host->major == 161) - clear_bit(1, &carm_major_alloc); - blk_cleanup_queue(host->oob_q); - pci_free_consistent(pdev, CARM_SHM_SIZE, host->shm, host->shm_dma); - iounmap(host->mmio); - kfree(host); - pci_release_regions(pdev); - pci_disable_device(pdev); -} - -module_pci_driver(carm_driver); diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index e9d76113c9e9..d7d3bf7920ea 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3685,6 +3685,7 @@ static int __init d40_probe(struct platform_device *pdev) regulator_disable(base->lcpa_regulator); regulator_put(base->lcpa_regulator); } + pm_runtime_disable(base->dev); kfree(base->lcla_pool.alloc_map); kfree(base->lookup_log_chans); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 603ebaa6a7ed..8b994886e5b1 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1308,14 +1308,14 @@ static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper( struct drm_dp_mst_branch *found_mstb; struct drm_dp_mst_port *port; + if (!mstb) + return NULL; + if (memcmp(mstb->guid, guid, 16) == 0) return mstb; list_for_each_entry(port, &mstb->ports, next) { - if (!port->mstb) - continue; - found_mstb = get_mst_branch_device_by_guid_helper(port->mstb, guid); if (found_mstb) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index e352c16087bb..cbffe303fbc3 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -959,9 +959,10 @@ static int stm32f7_i2c_smbus_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, /* Configure PEC */ if ((flags & I2C_CLIENT_PEC) && f7_msg->size != I2C_SMBUS_QUICK) { cr1 |= STM32F7_I2C_CR1_PECEN; - cr2 |= STM32F7_I2C_CR2_PECBYTE; - if (!f7_msg->read_write) + if (!f7_msg->read_write) { + cr2 |= STM32F7_I2C_CR2_PECBYTE; f7_msg->count++; + } } else { cr1 &= ~STM32F7_I2C_CR1_PECEN; cr2 &= ~STM32F7_I2C_CR2_PECBYTE; @@ -1049,8 +1050,10 @@ static void stm32f7_i2c_smbus_rep_start(struct stm32f7_i2c_dev *i2c_dev) f7_msg->stop = true; /* Add one byte for PEC if needed */ - if (cr1 & STM32F7_I2C_CR1_PECEN) + if (cr1 & STM32F7_I2C_CR1_PECEN) { + cr2 |= STM32F7_I2C_CR2_PECBYTE; f7_msg->count++; + } /* Set number of bytes to be transferred */ cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK); diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 092ebc08549f..b62b93ecacef 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -64,7 +64,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne if (ret) goto err; - adap = of_find_i2c_adapter_by_node(priv->chan[new_chan].parent_np); + adap = of_get_i2c_adapter_by_node(priv->chan[new_chan].parent_np); if (!adap) { ret = -ENODEV; goto err_with_revert; diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c index 5053f1675a29..04133c973c15 100644 --- a/drivers/i2c/muxes/i2c-mux-gpmux.c +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c @@ -55,7 +55,7 @@ static struct i2c_adapter *mux_parent_adapter(struct device *dev) dev_err(dev, "Cannot parse i2c-parent\n"); return ERR_PTR(-ENODEV); } - parent = of_find_i2c_adapter_by_node(parent_np); + parent = of_get_i2c_adapter_by_node(parent_np); of_node_put(parent_np); if (!parent) return ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index cc6818aabab5..821e5cd49757 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -73,7 +73,7 @@ static struct i2c_adapter *i2c_mux_pinctrl_parent_adapter(struct device *dev) dev_err(dev, "Cannot parse i2c-parent\n"); return ERR_PTR(-ENODEV); } - parent = of_find_i2c_adapter_by_node(parent_np); + parent = of_get_i2c_adapter_by_node(parent_np); of_node_put(parent_np); if (!parent) return ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 1ca2c4d39f87..7c5ea4ed5332 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -817,6 +817,12 @@ static int exynos_adc_probe(struct platform_device *pdev) } } + /* leave out any TS related code if unreachable */ + if (IS_REACHABLE(CONFIG_INPUT)) { + has_ts = of_property_read_bool(pdev->dev.of_node, + "has-touchscreen") || pdata; + } + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "no irq resource?\n"); @@ -824,11 +830,15 @@ static int exynos_adc_probe(struct platform_device *pdev) } info->irq = irq; - irq = platform_get_irq(pdev, 1); - if (irq == -EPROBE_DEFER) - return irq; + if (has_ts) { + irq = platform_get_irq(pdev, 1); + if (irq == -EPROBE_DEFER) + return irq; - info->tsirq = irq; + info->tsirq = irq; + } else { + info->tsirq = -1; + } info->dev = &pdev->dev; @@ -895,12 +905,6 @@ static int exynos_adc_probe(struct platform_device *pdev) if (info->data->init_hw) info->data->init_hw(info); - /* leave out any TS related code if unreachable */ - if (IS_REACHABLE(CONFIG_INPUT)) { - has_ts = of_property_read_bool(pdev->dev.of_node, - "has-touchscreen") || pdata; - } - if (pdata) info->delay = pdata->delay; else diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 794a7f17d024..833c54af42c3 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1750,6 +1750,7 @@ static int synaptics_create_intertouch(struct psmouse *psmouse, psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10); const struct rmi_device_platform_data pdata = { + .reset_delay_ms = 30, .sensor_pdata = { .sensor_type = rmi_sensor_touchpad, .axis_align.flip_y = true, diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c index b6ccf39c6a7b..e5b0109a4d15 100644 --- a/drivers/input/rmi4/rmi_smbus.c +++ b/drivers/input/rmi4/rmi_smbus.c @@ -238,12 +238,29 @@ static void rmi_smb_clear_state(struct rmi_smb_xport *rmi_smb) static int rmi_smb_enable_smbus_mode(struct rmi_smb_xport *rmi_smb) { - int retval; + struct i2c_client *client = rmi_smb->client; + int smbus_version; + + /* + * psmouse driver resets the controller, we only need to wait + * to give the firmware chance to fully reinitialize. + */ + if (rmi_smb->xport.pdata.reset_delay_ms) + msleep(rmi_smb->xport.pdata.reset_delay_ms); /* we need to get the smbus version to activate the touchpad */ - retval = rmi_smb_get_version(rmi_smb); - if (retval < 0) - return retval; + smbus_version = rmi_smb_get_version(rmi_smb); + if (smbus_version < 0) + return smbus_version; + + rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d", + smbus_version); + + if (smbus_version != 2 && smbus_version != 3) { + dev_err(&client->dev, "Unrecognized SMB version %d\n", + smbus_version); + return -ENODEV; + } return 0; } @@ -256,11 +273,10 @@ static int rmi_smb_reset(struct rmi_transport_dev *xport, u16 reset_addr) rmi_smb_clear_state(rmi_smb); /* - * we do not call the actual reset command, it has to be handled in - * PS/2 or there will be races between PS/2 and SMBus. - * PS/2 should ensure that a psmouse_reset is called before - * intializing the device and after it has been removed to be in a known - * state. + * We do not call the actual reset command, it has to be handled in + * PS/2 or there will be races between PS/2 and SMBus. PS/2 should + * ensure that a psmouse_reset is called before initializing the + * device and after it has been removed to be in a known state. */ return rmi_smb_enable_smbus_mode(rmi_smb); } @@ -276,7 +292,6 @@ static int rmi_smb_probe(struct i2c_client *client, { struct rmi_device_platform_data *pdata = dev_get_platdata(&client->dev); struct rmi_smb_xport *rmi_smb; - int smbus_version; int error; if (!pdata) { @@ -315,18 +330,9 @@ static int rmi_smb_probe(struct i2c_client *client, rmi_smb->xport.proto_name = "smb"; rmi_smb->xport.ops = &rmi_smb_ops; - smbus_version = rmi_smb_get_version(rmi_smb); - if (smbus_version < 0) - return smbus_version; - - rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d", - smbus_version); - - if (smbus_version != 2 && smbus_version != 3) { - dev_err(&client->dev, "Unrecognized SMB version %d\n", - smbus_version); - return -ENODEV; - } + error = rmi_smb_enable_smbus_mode(rmi_smb); + if (error) + return error; i2c_set_clientdata(client, rmi_smb); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 0cf9a3787326..2d4df82d65af 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -613,6 +613,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOMUX) }, + { + /* Fujitsu Lifebook E5411 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOAUX) + }, { /* Gigabyte M912 */ .matches = { diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index f605470855f1..ed7346fb687b 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -365,6 +365,7 @@ static const struct irq_domain_ops irq_exti_domain_ops = { .map = irq_map_generic_chip, .alloc = stm32_exti_alloc, .free = stm32_exti_free, + .xlate = irq_domain_xlate_twocell, }; static void stm32_irq_ack(struct irq_data *d) diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c index 945091a88354..7d292acbba53 100644 --- a/drivers/mcb/mcb-lpc.c +++ b/drivers/mcb/mcb-lpc.c @@ -26,7 +26,7 @@ static int mcb_lpc_probe(struct platform_device *pdev) { struct resource *res; struct priv *priv; - int ret = 0; + int ret = 0, table_size; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -61,16 +61,43 @@ static int mcb_lpc_probe(struct platform_device *pdev) ret = chameleon_parse_cells(priv->bus, priv->mem->start, priv->base); if (ret < 0) { - mcb_release_bus(priv->bus); - return ret; + goto out_mcb_bus; } - dev_dbg(&pdev->dev, "Found %d cells\n", ret); + table_size = ret; + + if (table_size < CHAM_HEADER_SIZE) { + /* Release the previous resources */ + devm_iounmap(&pdev->dev, priv->base); + devm_release_mem_region(&pdev->dev, priv->mem->start, resource_size(priv->mem)); + + /* Then, allocate it again with the actual chameleon table size */ + res = devm_request_mem_region(&pdev->dev, priv->mem->start, + table_size, + KBUILD_MODNAME); + if (!res) { + dev_err(&pdev->dev, "Failed to request PCI memory\n"); + ret = -EBUSY; + goto out_mcb_bus; + } + + priv->base = devm_ioremap(&pdev->dev, priv->mem->start, table_size); + if (!priv->base) { + dev_err(&pdev->dev, "Cannot ioremap\n"); + ret = -ENOMEM; + goto out_mcb_bus; + } + + platform_set_drvdata(pdev, priv); + } mcb_bus_add_devices(priv->bus); return 0; +out_mcb_bus: + mcb_release_bus(priv->bus); + return ret; } static int mcb_lpc_remove(struct platform_device *pdev) diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c index 08a85e43ef88..b7354232221e 100644 --- a/drivers/mcb/mcb-parse.c +++ b/drivers/mcb/mcb-parse.c @@ -127,7 +127,7 @@ static void chameleon_parse_bar(void __iomem *base, } } -static int chameleon_get_bar(char __iomem **base, phys_addr_t mapbase, +static int chameleon_get_bar(void __iomem **base, phys_addr_t mapbase, struct chameleon_bar **cb) { struct chameleon_bar *c; @@ -176,12 +176,13 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, { struct chameleon_fpga_header *header; struct chameleon_bar *cb; - char __iomem *p = base; + void __iomem *p = base; int num_cells = 0; uint32_t dtype; int bar_count; int ret; u32 hsize; + u32 table_size; hsize = sizeof(struct chameleon_fpga_header); @@ -236,12 +237,16 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, num_cells++; } - if (num_cells == 0) - num_cells = -EINVAL; + if (num_cells == 0) { + ret = -EINVAL; + goto free_bar; + } + table_size = p - base; + pr_debug("%d cell(s) found. Chameleon table size: 0x%04x bytes\n", num_cells, table_size); kfree(cb); kfree(header); - return num_cells; + return table_size; free_bar: kfree(cb); diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 5f1ee88aa761..4fdb5dd9748f 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -963,7 +963,11 @@ static int mmc_sdio_resume(struct mmc_host *host) /* Basic card reinitialization. */ mmc_claim_host(host); - /* Restore power if needed */ + /* + * Restore power and reinitialize the card when needed. Note that a + * removable card is checked from a detect work later on in the resume + * process. + */ if (!mmc_card_keep_power(host)) { mmc_power_up(host, host->card->ocr); /* @@ -977,14 +981,16 @@ static int mmc_sdio_resume(struct mmc_host *host) pm_runtime_set_active(&host->card->dev); pm_runtime_enable(&host->card->dev); } - } - - /* No need to reinitialize powered-resumed nonremovable cards */ - if (mmc_card_is_removable(host) || !mmc_card_keep_power(host)) { - err = mmc_sdio_reinit_card(host, mmc_card_keep_power(host)); - } else if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host)) { - /* We may have switched to 1-bit mode during suspend */ + err = mmc_sdio_reinit_card(host, 0); + } else if (mmc_card_wake_sdio_irq(host)) { + /* + * We may have switched to 1-bit mode during suspend, + * need to hold retuning, because tuning only supprt + * 4-bit mode or 8 bit mode. + */ + mmc_retune_hold_now(host); err = sdio_enable_4bit_bus(host->card); + mmc_retune_release(host); } if (err) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 812f4b743d97..0e8aa2d803eb 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3850,6 +3850,8 @@ int t4_load_phy_fw(struct adapter *adap, FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD)); ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val, 30000); + if (ret) + return ret; /* If we have version number support, then check to see that the new * firmware got loaded properly. diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 9ccbcd88bf1e..dfce967a066a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2642,7 +2642,7 @@ int i40e_napi_poll(struct napi_struct *napi, int budget) return budget; } - if (vsi->back->flags & I40E_TXR_FLAGS_WB_ON_ITR) + if (q_vector->tx.ring[0].flags & I40E_TXR_FLAGS_WB_ON_ITR) q_vector->arm_wb_state = false; /* Work is done so exit the polling mode and re-enable the interrupt */ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index e19fbdf2ff30..f714c85c36c5 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2994,11 +2994,15 @@ static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter, if (err) goto err_out_w_lock; - igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx); + err = igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx); + if (err) + goto err_out_input_filter; spin_unlock(&adapter->nfc_lock); return 0; +err_out_input_filter: + igb_erase_filter(adapter, input); err_out_w_lock: spin_unlock(&adapter->nfc_lock); err_out: diff --git a/drivers/net/ethernet/realtek/Makefile b/drivers/net/ethernet/realtek/Makefile index 71b1da30ecb5..7f68be4b9f51 100644 --- a/drivers/net/ethernet/realtek/Makefile +++ b/drivers/net/ethernet/realtek/Makefile @@ -5,4 +5,5 @@ obj-$(CONFIG_8139CP) += 8139cp.o obj-$(CONFIG_8139TOO) += 8139too.o obj-$(CONFIG_ATP) += atp.o +r8169-objs += r8169_main.o obj-$(CONFIG_R8169) += r8169.o diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c deleted file mode 100644 index 523626f2ffbe..000000000000 --- a/drivers/net/ethernet/realtek/r8169.c +++ /dev/null @@ -1,7698 +0,0 @@ -/* - * r8169.c: RealTek 8169/8168/8101 ethernet driver. - * - * Copyright (c) 2002 ShuChen <shuchen@xxxxxxxxxxxxxx> - * Copyright (c) 2003 - 2007 Francois Romieu <romieu@xxxxxxxxxxxxx> - * Copyright (c) a lot of people too. Please respect their work. - * - * See MAINTAINERS file for support contact information. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/ethtool.h> -#include <linux/phy.h> -#include <linux/if_vlan.h> -#include <linux/crc32.h> -#include <linux/in.h> -#include <linux/io.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> -#include <linux/pm_runtime.h> -#include <linux/firmware.h> -#include <linux/prefetch.h> -#include <linux/pci-aspm.h> -#include <linux/ipv6.h> -#include <net/ip6_checksum.h> - -#define MODULENAME "r8169" - -#define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw" -#define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw" -#define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw" -#define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw" -#define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw" -#define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw" -#define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw" -#define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw" -#define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw" -#define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw" -#define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw" -#define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw" -#define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw" -#define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw" -#define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw" -#define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw" -#define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw" -#define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw" -#define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw" - -#define R8169_MSG_DEFAULT \ - (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) - -#define TX_SLOTS_AVAIL(tp) \ - (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx) - -/* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ -#define TX_FRAGS_READY_FOR(tp,nr_frags) \ - (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1)) - -/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). - The RTL chips use a 64 element hash table based on the Ethernet CRC. */ -static const int multicast_filter_limit = 32; - -#define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */ -#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ - -#define R8169_REGS_SIZE 256 -#define R8169_RX_BUF_SIZE (SZ_16K - 1) -#define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ -#define NUM_RX_DESC 256U /* Number of Rx descriptor registers */ -#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) -#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) - -#define RTL8169_TX_TIMEOUT (6*HZ) - -/* write/read MMIO register */ -#define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg)) -#define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg)) -#define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg)) -#define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg)) -#define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg)) -#define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg)) - -enum mac_version { - RTL_GIGA_MAC_VER_01 = 0, - RTL_GIGA_MAC_VER_02, - RTL_GIGA_MAC_VER_03, - RTL_GIGA_MAC_VER_04, - RTL_GIGA_MAC_VER_05, - RTL_GIGA_MAC_VER_06, - RTL_GIGA_MAC_VER_07, - RTL_GIGA_MAC_VER_08, - RTL_GIGA_MAC_VER_09, - RTL_GIGA_MAC_VER_10, - RTL_GIGA_MAC_VER_11, - RTL_GIGA_MAC_VER_12, - RTL_GIGA_MAC_VER_13, - RTL_GIGA_MAC_VER_14, - RTL_GIGA_MAC_VER_15, - RTL_GIGA_MAC_VER_16, - RTL_GIGA_MAC_VER_17, - RTL_GIGA_MAC_VER_18, - RTL_GIGA_MAC_VER_19, - RTL_GIGA_MAC_VER_20, - RTL_GIGA_MAC_VER_21, - RTL_GIGA_MAC_VER_22, - RTL_GIGA_MAC_VER_23, - RTL_GIGA_MAC_VER_24, - RTL_GIGA_MAC_VER_25, - RTL_GIGA_MAC_VER_26, - RTL_GIGA_MAC_VER_27, - RTL_GIGA_MAC_VER_28, - RTL_GIGA_MAC_VER_29, - RTL_GIGA_MAC_VER_30, - RTL_GIGA_MAC_VER_31, - RTL_GIGA_MAC_VER_32, - RTL_GIGA_MAC_VER_33, - RTL_GIGA_MAC_VER_34, - RTL_GIGA_MAC_VER_35, - RTL_GIGA_MAC_VER_36, - RTL_GIGA_MAC_VER_37, - RTL_GIGA_MAC_VER_38, - RTL_GIGA_MAC_VER_39, - RTL_GIGA_MAC_VER_40, - RTL_GIGA_MAC_VER_41, - RTL_GIGA_MAC_VER_42, - RTL_GIGA_MAC_VER_43, - RTL_GIGA_MAC_VER_44, - RTL_GIGA_MAC_VER_45, - RTL_GIGA_MAC_VER_46, - RTL_GIGA_MAC_VER_47, - RTL_GIGA_MAC_VER_48, - RTL_GIGA_MAC_VER_49, - RTL_GIGA_MAC_VER_50, - RTL_GIGA_MAC_VER_51, - RTL_GIGA_MAC_NONE = 0xff, -}; - -#define JUMBO_1K ETH_DATA_LEN -#define JUMBO_4K (4*1024 - ETH_HLEN - 2) -#define JUMBO_6K (6*1024 - ETH_HLEN - 2) -#define JUMBO_7K (7*1024 - ETH_HLEN - 2) -#define JUMBO_9K (9*1024 - ETH_HLEN - 2) - -static const struct { - const char *name; - const char *fw_name; -} rtl_chip_infos[] = { - /* PCI devices. */ - [RTL_GIGA_MAC_VER_01] = {"RTL8169" }, - [RTL_GIGA_MAC_VER_02] = {"RTL8169s" }, - [RTL_GIGA_MAC_VER_03] = {"RTL8110s" }, - [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb" }, - [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc" }, - [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc" }, - /* PCI-E devices. */ - [RTL_GIGA_MAC_VER_07] = {"RTL8102e" }, - [RTL_GIGA_MAC_VER_08] = {"RTL8102e" }, - [RTL_GIGA_MAC_VER_09] = {"RTL8102e" }, - [RTL_GIGA_MAC_VER_10] = {"RTL8101e" }, - [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b" }, - [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b" }, - [RTL_GIGA_MAC_VER_13] = {"RTL8101e" }, - [RTL_GIGA_MAC_VER_14] = {"RTL8100e" }, - [RTL_GIGA_MAC_VER_15] = {"RTL8100e" }, - [RTL_GIGA_MAC_VER_16] = {"RTL8101e" }, - [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b" }, - [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp" }, - [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c" }, - [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c" }, - [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c" }, - [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c" }, - [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp" }, - [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp" }, - [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d", FIRMWARE_8168D_1}, - [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d", FIRMWARE_8168D_2}, - [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp" }, - [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp" }, - [RTL_GIGA_MAC_VER_29] = {"RTL8105e", FIRMWARE_8105E_1}, - [RTL_GIGA_MAC_VER_30] = {"RTL8105e", FIRMWARE_8105E_1}, - [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp" }, - [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e", FIRMWARE_8168E_1}, - [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e", FIRMWARE_8168E_2}, - [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl", FIRMWARE_8168E_3}, - [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f", FIRMWARE_8168F_1}, - [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f", FIRMWARE_8168F_2}, - [RTL_GIGA_MAC_VER_37] = {"RTL8402", FIRMWARE_8402_1 }, - [RTL_GIGA_MAC_VER_38] = {"RTL8411", FIRMWARE_8411_1 }, - [RTL_GIGA_MAC_VER_39] = {"RTL8106e", FIRMWARE_8106E_1}, - [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g", FIRMWARE_8168G_2}, - [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g" }, - [RTL_GIGA_MAC_VER_42] = {"RTL8168g/8111g", FIRMWARE_8168G_3}, - [RTL_GIGA_MAC_VER_43] = {"RTL8106e", FIRMWARE_8106E_2}, - [RTL_GIGA_MAC_VER_44] = {"RTL8411", FIRMWARE_8411_2 }, - [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h", FIRMWARE_8168H_1}, - [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h", FIRMWARE_8168H_2}, - [RTL_GIGA_MAC_VER_47] = {"RTL8107e", FIRMWARE_8107E_1}, - [RTL_GIGA_MAC_VER_48] = {"RTL8107e", FIRMWARE_8107E_2}, - [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep" }, - [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep" }, - [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep" }, -}; - -enum cfg_version { - RTL_CFG_0 = 0x00, - RTL_CFG_1, - RTL_CFG_2 -}; - -static const struct pci_device_id rtl8169_pci_tbl[] = { - { PCI_VDEVICE(REALTEK, 0x2502), RTL_CFG_1 }, - { PCI_VDEVICE(REALTEK, 0x2600), RTL_CFG_1 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161), 0, 0, RTL_CFG_1 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 }, - { PCI_DEVICE(PCI_VENDOR_ID_NCUBE, 0x8168), 0, 0, RTL_CFG_1 }, - { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 }, - { PCI_VENDOR_ID_DLINK, 0x4300, - PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0, RTL_CFG_1 }, - { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 }, - { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 }, - { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 }, - { PCI_DEVICE(PCI_VENDOR_ID_USR, 0x0116), 0, 0, RTL_CFG_0 }, - { PCI_VENDOR_ID_LINKSYS, 0x1032, - PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 }, - { 0x0001, 0x8168, - PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 }, - {0,}, -}; - -MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); - -static int use_dac = -1; -static struct { - u32 msg_enable; -} debug = { -1 }; - -enum rtl_registers { - MAC0 = 0, /* Ethernet hardware address. */ - MAC4 = 4, - MAR0 = 8, /* Multicast filter. */ - CounterAddrLow = 0x10, - CounterAddrHigh = 0x14, - TxDescStartAddrLow = 0x20, - TxDescStartAddrHigh = 0x24, - TxHDescStartAddrLow = 0x28, - TxHDescStartAddrHigh = 0x2c, - FLASH = 0x30, - ERSR = 0x36, - ChipCmd = 0x37, - TxPoll = 0x38, - IntrMask = 0x3c, - IntrStatus = 0x3e, - - TxConfig = 0x40, -#define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */ -#define TXCFG_EMPTY (1 << 11) /* 8111e-vl */ - - RxConfig = 0x44, -#define RX128_INT_EN (1 << 15) /* 8111c and later */ -#define RX_MULTI_EN (1 << 14) /* 8111c only */ -#define RXCFG_FIFO_SHIFT 13 - /* No threshold before first PCI xfer */ -#define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT) -#define RX_EARLY_OFF (1 << 11) -#define RXCFG_DMA_SHIFT 8 - /* Unlimited maximum PCI burst. */ -#define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT) - - RxMissed = 0x4c, - Cfg9346 = 0x50, - Config0 = 0x51, - Config1 = 0x52, - Config2 = 0x53, -#define PME_SIGNAL (1 << 5) /* 8168c and later */ - - Config3 = 0x54, - Config4 = 0x55, - Config5 = 0x56, - MultiIntr = 0x5c, - PHYAR = 0x60, - PHYstatus = 0x6c, - RxMaxSize = 0xda, - CPlusCmd = 0xe0, - IntrMitigate = 0xe2, - -#define RTL_COALESCE_MASK 0x0f -#define RTL_COALESCE_SHIFT 4 -#define RTL_COALESCE_T_MAX (RTL_COALESCE_MASK) -#define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_MASK << 2) - - RxDescAddrLow = 0xe4, - RxDescAddrHigh = 0xe8, - EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */ - -#define NoEarlyTx 0x3f /* Max value : no early transmit. */ - - MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */ - -#define TxPacketMax (8064 >> 7) -#define EarlySize 0x27 - - FuncEvent = 0xf0, - FuncEventMask = 0xf4, - FuncPresetState = 0xf8, - IBCR0 = 0xf8, - IBCR2 = 0xf9, - IBIMR0 = 0xfa, - IBISR0 = 0xfb, - FuncForceEvent = 0xfc, -}; - -enum rtl8168_8101_registers { - CSIDR = 0x64, - CSIAR = 0x68, -#define CSIAR_FLAG 0x80000000 -#define CSIAR_WRITE_CMD 0x80000000 -#define CSIAR_BYTE_ENABLE 0x0000f000 -#define CSIAR_ADDR_MASK 0x00000fff - PMCH = 0x6f, - EPHYAR = 0x80, -#define EPHYAR_FLAG 0x80000000 -#define EPHYAR_WRITE_CMD 0x80000000 -#define EPHYAR_REG_MASK 0x1f -#define EPHYAR_REG_SHIFT 16 -#define EPHYAR_DATA_MASK 0xffff - DLLPR = 0xd0, -#define PFM_EN (1 << 6) -#define TX_10M_PS_EN (1 << 7) - DBG_REG = 0xd1, -#define FIX_NAK_1 (1 << 4) -#define FIX_NAK_2 (1 << 3) - TWSI = 0xd2, - MCU = 0xd3, -#define NOW_IS_OOB (1 << 7) -#define TX_EMPTY (1 << 5) -#define RX_EMPTY (1 << 4) -#define RXTX_EMPTY (TX_EMPTY | RX_EMPTY) -#define EN_NDP (1 << 3) -#define EN_OOB_RESET (1 << 2) -#define LINK_LIST_RDY (1 << 1) - EFUSEAR = 0xdc, -#define EFUSEAR_FLAG 0x80000000 -#define EFUSEAR_WRITE_CMD 0x80000000 -#define EFUSEAR_READ_CMD 0x00000000 -#define EFUSEAR_REG_MASK 0x03ff -#define EFUSEAR_REG_SHIFT 8 -#define EFUSEAR_DATA_MASK 0xff - MISC_1 = 0xf2, -#define PFM_D3COLD_EN (1 << 6) -}; - -enum rtl8168_registers { - LED_FREQ = 0x1a, - EEE_LED = 0x1b, - ERIDR = 0x70, - ERIAR = 0x74, -#define ERIAR_FLAG 0x80000000 -#define ERIAR_WRITE_CMD 0x80000000 -#define ERIAR_READ_CMD 0x00000000 -#define ERIAR_ADDR_BYTE_ALIGN 4 -#define ERIAR_TYPE_SHIFT 16 -#define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT) -#define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT) -#define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT) -#define ERIAR_OOB (0x02 << ERIAR_TYPE_SHIFT) -#define ERIAR_MASK_SHIFT 12 -#define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT) -#define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT) -#define ERIAR_MASK_0100 (0x4 << ERIAR_MASK_SHIFT) -#define ERIAR_MASK_0101 (0x5 << ERIAR_MASK_SHIFT) -#define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT) - EPHY_RXER_NUM = 0x7c, - OCPDR = 0xb0, /* OCP GPHY access */ -#define OCPDR_WRITE_CMD 0x80000000 -#define OCPDR_READ_CMD 0x00000000 -#define OCPDR_REG_MASK 0x7f -#define OCPDR_GPHY_REG_SHIFT 16 -#define OCPDR_DATA_MASK 0xffff - OCPAR = 0xb4, -#define OCPAR_FLAG 0x80000000 -#define OCPAR_GPHY_WRITE_CMD 0x8000f060 -#define OCPAR_GPHY_READ_CMD 0x0000f060 - GPHY_OCP = 0xb8, - RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */ - MISC = 0xf0, /* 8168e only. */ -#define TXPLA_RST (1 << 29) -#define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */ -#define PWM_EN (1 << 22) -#define RXDV_GATED_EN (1 << 19) -#define EARLY_TALLY_EN (1 << 16) -}; - -enum rtl_register_content { - /* InterruptStatusBits */ - SYSErr = 0x8000, - PCSTimeout = 0x4000, - SWInt = 0x0100, - TxDescUnavail = 0x0080, - RxFIFOOver = 0x0040, - LinkChg = 0x0020, - RxOverflow = 0x0010, - TxErr = 0x0008, - TxOK = 0x0004, - RxErr = 0x0002, - RxOK = 0x0001, - - /* RxStatusDesc */ - RxBOVF = (1 << 24), - RxFOVF = (1 << 23), - RxRWT = (1 << 22), - RxRES = (1 << 21), - RxRUNT = (1 << 20), - RxCRC = (1 << 19), - - /* ChipCmdBits */ - StopReq = 0x80, - CmdReset = 0x10, - CmdRxEnb = 0x08, - CmdTxEnb = 0x04, - RxBufEmpty = 0x01, - - /* TXPoll register p.5 */ - HPQ = 0x80, /* Poll cmd on the high prio queue */ - NPQ = 0x40, /* Poll cmd on the low prio queue */ - FSWInt = 0x01, /* Forced software interrupt */ - - /* Cfg9346Bits */ - Cfg9346_Lock = 0x00, - Cfg9346_Unlock = 0xc0, - - /* rx_mode_bits */ - AcceptErr = 0x20, - AcceptRunt = 0x10, - AcceptBroadcast = 0x08, - AcceptMulticast = 0x04, - AcceptMyPhys = 0x02, - AcceptAllPhys = 0x01, -#define RX_CONFIG_ACCEPT_MASK 0x3f - - /* TxConfigBits */ - TxInterFrameGapShift = 24, - TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ - - /* Config1 register p.24 */ - LEDS1 = (1 << 7), - LEDS0 = (1 << 6), - Speed_down = (1 << 4), - MEMMAP = (1 << 3), - IOMAP = (1 << 2), - VPD = (1 << 1), - PMEnable = (1 << 0), /* Power Management Enable */ - - /* Config2 register p. 25 */ - ClkReqEn = (1 << 7), /* Clock Request Enable */ - MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */ - PCI_Clock_66MHz = 0x01, - PCI_Clock_33MHz = 0x00, - - /* Config3 register p.25 */ - MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ - LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ - Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ - Rdy_to_L23 = (1 << 1), /* L23 Enable */ - Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ - - /* Config4 register */ - Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */ - - /* Config5 register p.27 */ - BWF = (1 << 6), /* Accept Broadcast wakeup frame */ - MWF = (1 << 5), /* Accept Multicast wakeup frame */ - UWF = (1 << 4), /* Accept Unicast wakeup frame */ - Spi_en = (1 << 3), - LanWake = (1 << 1), /* LanWake enable/disable */ - PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ - ASPM_en = (1 << 0), /* ASPM enable */ - - /* CPlusCmd p.31 */ - EnableBist = (1 << 15), // 8168 8101 - Mac_dbgo_oe = (1 << 14), // 8168 8101 - Normal_mode = (1 << 13), // unused - Force_half_dup = (1 << 12), // 8168 8101 - Force_rxflow_en = (1 << 11), // 8168 8101 - Force_txflow_en = (1 << 10), // 8168 8101 - Cxpl_dbg_sel = (1 << 9), // 8168 8101 - ASF = (1 << 8), // 8168 8101 - PktCntrDisable = (1 << 7), // 8168 8101 - Mac_dbgo_sel = 0x001c, // 8168 - RxVlan = (1 << 6), - RxChkSum = (1 << 5), - PCIDAC = (1 << 4), - PCIMulRW = (1 << 3), -#define INTT_MASK GENMASK(1, 0) - INTT_0 = 0x0000, // 8168 - INTT_1 = 0x0001, // 8168 - INTT_2 = 0x0002, // 8168 - INTT_3 = 0x0003, // 8168 - - /* rtl8169_PHYstatus */ - TBI_Enable = 0x80, - TxFlowCtrl = 0x40, - RxFlowCtrl = 0x20, - _1000bpsF = 0x10, - _100bps = 0x08, - _10bps = 0x04, - LinkStatus = 0x02, - FullDup = 0x01, - - /* _TBICSRBit */ - TBILinkOK = 0x02000000, - - /* ResetCounterCommand */ - CounterReset = 0x1, - - /* DumpCounterCommand */ - CounterDump = 0x8, - - /* magic enable v2 */ - MagicPacket_v2 = (1 << 16), /* Wake up when receives a Magic Packet */ -}; - -enum rtl_desc_bit { - /* First doubleword. */ - DescOwn = (1 << 31), /* Descriptor is owned by NIC */ - RingEnd = (1 << 30), /* End of descriptor ring */ - FirstFrag = (1 << 29), /* First segment of a packet */ - LastFrag = (1 << 28), /* Final segment of a packet */ -}; - -/* Generic case. */ -enum rtl_tx_desc_bit { - /* First doubleword. */ - TD_LSO = (1 << 27), /* Large Send Offload */ -#define TD_MSS_MAX 0x07ffu /* MSS value */ - - /* Second doubleword. */ - TxVlanTag = (1 << 17), /* Add VLAN tag */ -}; - -/* 8169, 8168b and 810x except 8102e. */ -enum rtl_tx_desc_bit_0 { - /* First doubleword. */ -#define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */ - TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */ - TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */ - TD0_IP_CS = (1 << 18), /* Calculate IP checksum */ -}; - -/* 8102e, 8168c and beyond. */ -enum rtl_tx_desc_bit_1 { - /* First doubleword. */ - TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */ - TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */ -#define GTTCPHO_SHIFT 18 -#define GTTCPHO_MAX 0x7fU - - /* Second doubleword. */ -#define TCPHO_SHIFT 18 -#define TCPHO_MAX 0x3ffU -#define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */ - TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */ - TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */ - TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */ - TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */ -}; - -enum rtl_rx_desc_bit { - /* Rx private */ - PID1 = (1 << 18), /* Protocol ID bit 1/2 */ - PID0 = (1 << 17), /* Protocol ID bit 0/2 */ - -#define RxProtoUDP (PID1) -#define RxProtoTCP (PID0) -#define RxProtoIP (PID1 | PID0) -#define RxProtoMask RxProtoIP - - IPFail = (1 << 16), /* IP checksum failed */ - UDPFail = (1 << 15), /* UDP/IP checksum failed */ - TCPFail = (1 << 14), /* TCP/IP checksum failed */ - RxVlanTag = (1 << 16), /* VLAN tag available */ -}; - -#define RsvdMask 0x3fffc000 -#define CPCMD_QUIRK_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK) - -struct TxDesc { - __le32 opts1; - __le32 opts2; - __le64 addr; -}; - -struct RxDesc { - __le32 opts1; - __le32 opts2; - __le64 addr; -}; - -struct ring_info { - struct sk_buff *skb; - u32 len; - u8 __pad[sizeof(void *) - sizeof(u32)]; -}; - -struct rtl8169_counters { - __le64 tx_packets; - __le64 rx_packets; - __le64 tx_errors; - __le32 rx_errors; - __le16 rx_missed; - __le16 align_errors; - __le32 tx_one_collision; - __le32 tx_multi_collision; - __le64 rx_unicast; - __le64 rx_broadcast; - __le32 rx_multicast; - __le16 tx_aborted; - __le16 tx_underun; -}; - -struct rtl8169_tc_offsets { - bool inited; - __le64 tx_errors; - __le32 tx_multi_collision; - __le16 tx_aborted; -}; - -enum rtl_flag { - RTL_FLAG_TASK_ENABLED = 0, - RTL_FLAG_TASK_SLOW_PENDING, - RTL_FLAG_TASK_RESET_PENDING, - RTL_FLAG_MAX -}; - -struct rtl8169_stats { - u64 packets; - u64 bytes; - struct u64_stats_sync syncp; -}; - -struct rtl8169_private { - void __iomem *mmio_addr; /* memory map physical address */ - struct pci_dev *pci_dev; - struct net_device *dev; - struct napi_struct napi; - u32 msg_enable; - u16 mac_version; - u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ - u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ - u32 dirty_tx; - struct rtl8169_stats rx_stats; - struct rtl8169_stats tx_stats; - struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ - struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ - dma_addr_t TxPhyAddr; - dma_addr_t RxPhyAddr; - void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */ - struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ - u16 cp_cmd; - - u16 event_slow; - const struct rtl_coalesce_info *coalesce_info; - struct clk *clk; - - struct mdio_ops { - void (*write)(struct rtl8169_private *, int, int); - int (*read)(struct rtl8169_private *, int); - } mdio_ops; - - struct jumbo_ops { - void (*enable)(struct rtl8169_private *); - void (*disable)(struct rtl8169_private *); - } jumbo_ops; - - void (*hw_start)(struct rtl8169_private *tp); - bool (*tso_csum)(struct rtl8169_private *, struct sk_buff *, u32 *); - - struct { - DECLARE_BITMAP(flags, RTL_FLAG_MAX); - struct mutex mutex; - struct work_struct work; - } wk; - - unsigned supports_gmii:1; - struct mii_bus *mii_bus; - dma_addr_t counters_phys_addr; - struct rtl8169_counters *counters; - struct rtl8169_tc_offsets tc_offset; - u32 saved_wolopts; - - struct rtl_fw { - const struct firmware *fw; - -#define RTL_VER_SIZE 32 - - char version[RTL_VER_SIZE]; - - struct rtl_fw_phy_action { - __le32 *code; - size_t size; - } phy_action; - } *rtl_fw; -#define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN) - - u32 ocp_base; -}; - -MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@xxxxxxxxxxxxxxx>"); -MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); -module_param(use_dac, int, 0); -MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); -module_param_named(debug, debug.msg_enable, int, 0); -MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); -MODULE_SOFTDEP("pre: realtek"); -MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(FIRMWARE_8168D_1); -MODULE_FIRMWARE(FIRMWARE_8168D_2); -MODULE_FIRMWARE(FIRMWARE_8168E_1); -MODULE_FIRMWARE(FIRMWARE_8168E_2); -MODULE_FIRMWARE(FIRMWARE_8168E_3); -MODULE_FIRMWARE(FIRMWARE_8105E_1); -MODULE_FIRMWARE(FIRMWARE_8168F_1); -MODULE_FIRMWARE(FIRMWARE_8168F_2); -MODULE_FIRMWARE(FIRMWARE_8402_1); -MODULE_FIRMWARE(FIRMWARE_8411_1); -MODULE_FIRMWARE(FIRMWARE_8411_2); -MODULE_FIRMWARE(FIRMWARE_8106E_1); -MODULE_FIRMWARE(FIRMWARE_8106E_2); -MODULE_FIRMWARE(FIRMWARE_8168G_2); -MODULE_FIRMWARE(FIRMWARE_8168G_3); -MODULE_FIRMWARE(FIRMWARE_8168H_1); -MODULE_FIRMWARE(FIRMWARE_8168H_2); -MODULE_FIRMWARE(FIRMWARE_8107E_1); -MODULE_FIRMWARE(FIRMWARE_8107E_2); - -static inline struct device *tp_to_dev(struct rtl8169_private *tp) -{ - return &tp->pci_dev->dev; -} - -static void rtl_lock_work(struct rtl8169_private *tp) -{ - mutex_lock(&tp->wk.mutex); -} - -static void rtl_unlock_work(struct rtl8169_private *tp) -{ - mutex_unlock(&tp->wk.mutex); -} - -static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force) -{ - pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL, - PCI_EXP_DEVCTL_READRQ, force); -} - -struct rtl_cond { - bool (*check)(struct rtl8169_private *); - const char *msg; -}; - -static void rtl_udelay(unsigned int d) -{ - udelay(d); -} - -static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c, - void (*delay)(unsigned int), unsigned int d, int n, - bool high) -{ - int i; - - for (i = 0; i < n; i++) { - delay(d); - if (c->check(tp) == high) - return true; - } - netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n", - c->msg, !high, n, d); - return false; -} - -static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp, - const struct rtl_cond *c, - unsigned int d, int n) -{ - return rtl_loop_wait(tp, c, rtl_udelay, d, n, true); -} - -static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp, - const struct rtl_cond *c, - unsigned int d, int n) -{ - return rtl_loop_wait(tp, c, rtl_udelay, d, n, false); -} - -static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp, - const struct rtl_cond *c, - unsigned int d, int n) -{ - return rtl_loop_wait(tp, c, msleep, d, n, true); -} - -static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp, - const struct rtl_cond *c, - unsigned int d, int n) -{ - return rtl_loop_wait(tp, c, msleep, d, n, false); -} - -#define DECLARE_RTL_COND(name) \ -static bool name ## _check(struct rtl8169_private *); \ - \ -static const struct rtl_cond name = { \ - .check = name ## _check, \ - .msg = #name \ -}; \ - \ -static bool name ## _check(struct rtl8169_private *tp) - -static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg) -{ - if (reg & 0xffff0001) { - netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg); - return true; - } - return false; -} - -DECLARE_RTL_COND(rtl_ocp_gphy_cond) -{ - return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG; -} - -static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) -{ - if (rtl_ocp_reg_failure(tp, reg)) - return; - - RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data); - - rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10); -} - -static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) -{ - if (rtl_ocp_reg_failure(tp, reg)) - return 0; - - RTL_W32(tp, GPHY_OCP, reg << 15); - - return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ? - (RTL_R32(tp, GPHY_OCP) & 0xffff) : ~0; -} - -static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) -{ - if (rtl_ocp_reg_failure(tp, reg)) - return; - - RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data); -} - -static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg) -{ - if (rtl_ocp_reg_failure(tp, reg)) - return 0; - - RTL_W32(tp, OCPDR, reg << 15); - - return RTL_R32(tp, OCPDR); -} - -#define OCP_STD_PHY_BASE 0xa400 - -static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value) -{ - if (reg == 0x1f) { - tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE; - return; - } - - if (tp->ocp_base != OCP_STD_PHY_BASE) - reg -= 0x10; - - r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value); -} - -static int r8168g_mdio_read(struct rtl8169_private *tp, int reg) -{ - if (tp->ocp_base != OCP_STD_PHY_BASE) - reg -= 0x10; - - return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2); -} - -static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value) -{ - if (reg == 0x1f) { - tp->ocp_base = value << 4; - return; - } - - r8168_mac_ocp_write(tp, tp->ocp_base + reg, value); -} - -static int mac_mcu_read(struct rtl8169_private *tp, int reg) -{ - return r8168_mac_ocp_read(tp, tp->ocp_base + reg); -} - -DECLARE_RTL_COND(rtl_phyar_cond) -{ - return RTL_R32(tp, PHYAR) & 0x80000000; -} - -static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value) -{ - RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff)); - - rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20); - /* - * According to hardware specs a 20us delay is required after write - * complete indication, but before sending next command. - */ - udelay(20); -} - -static int r8169_mdio_read(struct rtl8169_private *tp, int reg) -{ - int value; - - RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16); - - value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ? - RTL_R32(tp, PHYAR) & 0xffff : ~0; - - /* - * According to hardware specs a 20us delay is required after read - * complete indication, but before sending next command. - */ - udelay(20); - - return value; -} - -DECLARE_RTL_COND(rtl_ocpar_cond) -{ - return RTL_R32(tp, OCPAR) & OCPAR_FLAG; -} - -static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data) -{ - RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT)); - RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD); - RTL_W32(tp, EPHY_RXER_NUM, 0); - - rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100); -} - -static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value) -{ - r8168dp_1_mdio_access(tp, reg, - OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK)); -} - -static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg) -{ - r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD); - - mdelay(1); - RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD); - RTL_W32(tp, EPHY_RXER_NUM, 0); - - return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ? - RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : ~0; -} - -#define R8168DP_1_MDIO_ACCESS_BIT 0x00020000 - -static void r8168dp_2_mdio_start(struct rtl8169_private *tp) -{ - RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT); -} - -static void r8168dp_2_mdio_stop(struct rtl8169_private *tp) -{ - RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT); -} - -static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value) -{ - r8168dp_2_mdio_start(tp); - - r8169_mdio_write(tp, reg, value); - - r8168dp_2_mdio_stop(tp); -} - -static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg) -{ - int value; - - /* Work around issue with chip reporting wrong PHY ID */ - if (reg == MII_PHYSID2) - return 0xc912; - - r8168dp_2_mdio_start(tp); - - value = r8169_mdio_read(tp, reg); - - r8168dp_2_mdio_stop(tp); - - return value; -} - -static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val) -{ - tp->mdio_ops.write(tp, location, val); -} - -static int rtl_readphy(struct rtl8169_private *tp, int location) -{ - return tp->mdio_ops.read(tp, location); -} - -static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value) -{ - rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value); -} - -static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m) -{ - int val; - - val = rtl_readphy(tp, reg_addr); - rtl_writephy(tp, reg_addr, (val & ~m) | p); -} - -DECLARE_RTL_COND(rtl_ephyar_cond) -{ - return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG; -} - -static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value) -{ - RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | - (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); - - rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100); - - udelay(10); -} - -static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr) -{ - RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); - - return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ? - RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0; -} - -DECLARE_RTL_COND(rtl_eriar_cond) -{ - return RTL_R32(tp, ERIAR) & ERIAR_FLAG; -} - -static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, - u32 val, int type) -{ - BUG_ON((addr & 3) || (mask == 0)); - RTL_W32(tp, ERIDR, val); - RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr); - - rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100); -} - -static u32 rtl_eri_read(struct rtl8169_private *tp, int addr, int type) -{ - RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr); - - return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ? - RTL_R32(tp, ERIDR) : ~0; -} - -static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p, - u32 m, int type) -{ - u32 val; - - val = rtl_eri_read(tp, addr, type); - rtl_eri_write(tp, addr, mask, (val & ~m) | p, type); -} - -static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) -{ - RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); - return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ? - RTL_R32(tp, OCPDR) : ~0; -} - -static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) -{ - return rtl_eri_read(tp, reg, ERIAR_OOB); -} - -static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - return r8168dp_ocp_read(tp, mask, reg); - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - return r8168ep_ocp_read(tp, mask, reg); - default: - BUG(); - return ~0; - } -} - -static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, - u32 data) -{ - RTL_W32(tp, OCPDR, data); - RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); - rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20); -} - -static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, - u32 data) -{ - rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT, - data, ERIAR_OOB); -} - -static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - r8168dp_ocp_write(tp, mask, reg, data); - break; - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - r8168ep_ocp_write(tp, mask, reg, data); - break; - default: - BUG(); - break; - } -} - -static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd) -{ - rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd, ERIAR_EXGMAC); - - ocp_write(tp, 0x1, 0x30, 0x00000001); -} - -#define OOB_CMD_RESET 0x00 -#define OOB_CMD_DRIVER_START 0x05 -#define OOB_CMD_DRIVER_STOP 0x06 - -static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp) -{ - return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10; -} - -DECLARE_RTL_COND(rtl_ocp_read_cond) -{ - u16 reg; - - reg = rtl8168_get_ocp_reg(tp); - - return ocp_read(tp, 0x0f, reg) & 0x00000800; -} - -DECLARE_RTL_COND(rtl_ep_ocp_read_cond) -{ - return ocp_read(tp, 0x0f, 0x124) & 0x00000001; -} - -DECLARE_RTL_COND(rtl_ocp_tx_cond) -{ - return RTL_R8(tp, IBISR0) & 0x20; -} - -static void rtl8168ep_stop_cmac(struct rtl8169_private *tp) -{ - RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01); - rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000); - RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20); - RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01); -} - -static void rtl8168dp_driver_start(struct rtl8169_private *tp) -{ - rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START); - rtl_msleep_loop_wait_high(tp, &rtl_ocp_read_cond, 10, 10); -} - -static void rtl8168ep_driver_start(struct rtl8169_private *tp) -{ - ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START); - ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01); - rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10); -} - -static void rtl8168_driver_start(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - rtl8168dp_driver_start(tp); - break; - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - rtl8168ep_driver_start(tp); - break; - default: - BUG(); - break; - } -} - -static void rtl8168dp_driver_stop(struct rtl8169_private *tp) -{ - rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP); - rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10); -} - -static void rtl8168ep_driver_stop(struct rtl8169_private *tp) -{ - rtl8168ep_stop_cmac(tp); - ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP); - ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01); - rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10); -} - -static void rtl8168_driver_stop(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - rtl8168dp_driver_stop(tp); - break; - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - rtl8168ep_driver_stop(tp); - break; - default: - BUG(); - break; - } -} - -static bool r8168dp_check_dash(struct rtl8169_private *tp) -{ - u16 reg = rtl8168_get_ocp_reg(tp); - - return !!(ocp_read(tp, 0x0f, reg) & 0x00008000); -} - -static bool r8168ep_check_dash(struct rtl8169_private *tp) -{ - return !!(ocp_read(tp, 0x0f, 0x128) & 0x00000001); -} - -static bool r8168_check_dash(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - return r8168dp_check_dash(tp); - case RTL_GIGA_MAC_VER_49: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - return r8168ep_check_dash(tp); - default: - return false; - } -} - -struct exgmac_reg { - u16 addr; - u16 mask; - u32 val; -}; - -static void rtl_write_exgmac_batch(struct rtl8169_private *tp, - const struct exgmac_reg *r, int len) -{ - while (len-- > 0) { - rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC); - r++; - } -} - -DECLARE_RTL_COND(rtl_efusear_cond) -{ - return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG; -} - -static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr) -{ - RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); - - return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ? - RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0; -} - -static u16 rtl_get_events(struct rtl8169_private *tp) -{ - return RTL_R16(tp, IntrStatus); -} - -static void rtl_ack_events(struct rtl8169_private *tp, u16 bits) -{ - RTL_W16(tp, IntrStatus, bits); - mmiowb(); -} - -static void rtl_irq_disable(struct rtl8169_private *tp) -{ - RTL_W16(tp, IntrMask, 0); - mmiowb(); -} - -static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits) -{ - RTL_W16(tp, IntrMask, bits); -} - -#define RTL_EVENT_NAPI_RX (RxOK | RxErr) -#define RTL_EVENT_NAPI_TX (TxOK | TxErr) -#define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX) - -static void rtl_irq_enable_all(struct rtl8169_private *tp) -{ - rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow); -} - -static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp) -{ - rtl_irq_disable(tp); - rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow); - RTL_R8(tp, ChipCmd); -} - -static void rtl_link_chg_patch(struct rtl8169_private *tp) -{ - struct net_device *dev = tp->dev; - struct phy_device *phydev = dev->phydev; - - if (!netif_running(dev)) - return; - - if (tp->mac_version == RTL_GIGA_MAC_VER_34 || - tp->mac_version == RTL_GIGA_MAC_VER_38) { - if (phydev->speed == SPEED_1000) { - rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, - ERIAR_EXGMAC); - } else if (phydev->speed == SPEED_100) { - rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, - ERIAR_EXGMAC); - } else { - rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, - ERIAR_EXGMAC); - } - /* Reset packet filter */ - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, - ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, - ERIAR_EXGMAC); - } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 || - tp->mac_version == RTL_GIGA_MAC_VER_36) { - if (phydev->speed == SPEED_1000) { - rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, - ERIAR_EXGMAC); - } else { - rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, - ERIAR_EXGMAC); - } - } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) { - if (phydev->speed == SPEED_10) { - rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02, - ERIAR_EXGMAC); - rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060, - ERIAR_EXGMAC); - } else { - rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, - ERIAR_EXGMAC); - } - } -} - -#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) - -static u32 __rtl8169_get_wol(struct rtl8169_private *tp) -{ - u8 options; - u32 wolopts = 0; - - options = RTL_R8(tp, Config1); - if (!(options & PMEnable)) - return 0; - - options = RTL_R8(tp, Config3); - if (options & LinkUp) - wolopts |= WAKE_PHY; - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - if (rtl_eri_read(tp, 0xdc, ERIAR_EXGMAC) & MagicPacket_v2) - wolopts |= WAKE_MAGIC; - break; - default: - if (options & MagicPacket) - wolopts |= WAKE_MAGIC; - break; - } - - options = RTL_R8(tp, Config5); - if (options & UWF) - wolopts |= WAKE_UCAST; - if (options & BWF) - wolopts |= WAKE_BCAST; - if (options & MWF) - wolopts |= WAKE_MCAST; - - return wolopts; -} - -static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - rtl_lock_work(tp); - wol->supported = WAKE_ANY; - wol->wolopts = tp->saved_wolopts; - rtl_unlock_work(tp); -} - -static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) -{ - unsigned int i, tmp; - static const struct { - u32 opt; - u16 reg; - u8 mask; - } cfg[] = { - { WAKE_PHY, Config3, LinkUp }, - { WAKE_UCAST, Config5, UWF }, - { WAKE_BCAST, Config5, BWF }, - { WAKE_MCAST, Config5, MWF }, - { WAKE_ANY, Config5, LanWake }, - { WAKE_MAGIC, Config3, MagicPacket } - }; - u8 options; - - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - tmp = ARRAY_SIZE(cfg) - 1; - if (wolopts & WAKE_MAGIC) - rtl_w0w1_eri(tp, - 0x0dc, - ERIAR_MASK_0100, - MagicPacket_v2, - 0x0000, - ERIAR_EXGMAC); - else - rtl_w0w1_eri(tp, - 0x0dc, - ERIAR_MASK_0100, - 0x0000, - MagicPacket_v2, - ERIAR_EXGMAC); - break; - default: - tmp = ARRAY_SIZE(cfg); - break; - } - - for (i = 0; i < tmp; i++) { - options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask; - if (wolopts & cfg[i].opt) - options |= cfg[i].mask; - RTL_W8(tp, cfg[i].reg, options); - } - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17: - options = RTL_R8(tp, Config1) & ~PMEnable; - if (wolopts) - options |= PMEnable; - RTL_W8(tp, Config1, options); - break; - default: - options = RTL_R8(tp, Config2) & ~PME_SIGNAL; - if (wolopts) - options |= PME_SIGNAL; - RTL_W8(tp, Config2, options); - break; - } - - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - - device_set_wakeup_enable(tp_to_dev(tp), wolopts); -} - -static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct device *d = tp_to_dev(tp); - - if (wol->wolopts & ~WAKE_ANY) - return -EINVAL; - - pm_runtime_get_noresume(d); - - rtl_lock_work(tp); - - tp->saved_wolopts = wol->wolopts; - - if (pm_runtime_active(d)) - __rtl8169_set_wol(tp, tp->saved_wolopts); - - rtl_unlock_work(tp); - - pm_runtime_put_noidle(d); - - return 0; -} - -static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp) -{ - return rtl_chip_infos[tp->mac_version].fw_name; -} - -static void rtl8169_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct rtl_fw *rtl_fw = tp->rtl_fw; - - strlcpy(info->driver, MODULENAME, sizeof(info->driver)); - strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info)); - BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version)); - if (!IS_ERR_OR_NULL(rtl_fw)) - strlcpy(info->fw_version, rtl_fw->version, - sizeof(info->fw_version)); -} - -static int rtl8169_get_regs_len(struct net_device *dev) -{ - return R8169_REGS_SIZE; -} - -static netdev_features_t rtl8169_fix_features(struct net_device *dev, - netdev_features_t features) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - if (dev->mtu > TD_MSS_MAX) - features &= ~NETIF_F_ALL_TSO; - - if (dev->mtu > JUMBO_1K && - tp->mac_version > RTL_GIGA_MAC_VER_06) - features &= ~NETIF_F_IP_CSUM; - - return features; -} - -static int rtl8169_set_features(struct net_device *dev, - netdev_features_t features) -{ - struct rtl8169_private *tp = netdev_priv(dev); - u32 rx_config; - - rtl_lock_work(tp); - - rx_config = RTL_R32(tp, RxConfig); - if (features & NETIF_F_RXALL) - rx_config |= (AcceptErr | AcceptRunt); - else - rx_config &= ~(AcceptErr | AcceptRunt); - - RTL_W32(tp, RxConfig, rx_config); - - if (features & NETIF_F_RXCSUM) - tp->cp_cmd |= RxChkSum; - else - tp->cp_cmd &= ~RxChkSum; - - if (features & NETIF_F_HW_VLAN_CTAG_RX) - tp->cp_cmd |= RxVlan; - else - tp->cp_cmd &= ~RxVlan; - - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - RTL_R16(tp, CPlusCmd); - - rtl_unlock_work(tp); - - return 0; -} - -static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb) -{ - return (skb_vlan_tag_present(skb)) ? - TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00; -} - -static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb) -{ - u32 opts2 = le32_to_cpu(desc->opts2); - - if (opts2 & RxVlanTag) - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff)); -} - -static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, - void *p) -{ - struct rtl8169_private *tp = netdev_priv(dev); - u32 __iomem *data = tp->mmio_addr; - u32 *dw = p; - int i; - - rtl_lock_work(tp); - for (i = 0; i < R8169_REGS_SIZE; i += 4) - memcpy_fromio(dw++, data++, 4); - rtl_unlock_work(tp); -} - -static u32 rtl8169_get_msglevel(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - return tp->msg_enable; -} - -static void rtl8169_set_msglevel(struct net_device *dev, u32 value) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - tp->msg_enable = value; -} - -static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { - "tx_packets", - "rx_packets", - "tx_errors", - "rx_errors", - "rx_missed", - "align_errors", - "tx_single_collisions", - "tx_multi_collisions", - "unicast", - "broadcast", - "multicast", - "tx_aborted", - "tx_underrun", -}; - -static int rtl8169_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return ARRAY_SIZE(rtl8169_gstrings); - default: - return -EOPNOTSUPP; - } -} - -DECLARE_RTL_COND(rtl_counters_cond) -{ - return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump); -} - -static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd) -{ - dma_addr_t paddr = tp->counters_phys_addr; - u32 cmd; - - RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32); - RTL_R32(tp, CounterAddrHigh); - cmd = (u64)paddr & DMA_BIT_MASK(32); - RTL_W32(tp, CounterAddrLow, cmd); - RTL_W32(tp, CounterAddrLow, cmd | counter_cmd); - - return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000); -} - -static bool rtl8169_reset_counters(struct rtl8169_private *tp) -{ - /* - * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the - * tally counters. - */ - if (tp->mac_version < RTL_GIGA_MAC_VER_19) - return true; - - return rtl8169_do_counters(tp, CounterReset); -} - -static bool rtl8169_update_counters(struct rtl8169_private *tp) -{ - u8 val = RTL_R8(tp, ChipCmd); - - /* - * Some chips are unable to dump tally counters when the receiver - * is disabled. If 0xff chip may be in a PCI power-save state. - */ - if (!(val & CmdRxEnb) || val == 0xff) - return true; - - return rtl8169_do_counters(tp, CounterDump); -} - -static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp) -{ - struct rtl8169_counters *counters = tp->counters; - bool ret = false; - - /* - * rtl8169_init_counter_offsets is called from rtl_open. On chip - * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only - * reset by a power cycle, while the counter values collected by the - * driver are reset at every driver unload/load cycle. - * - * To make sure the HW values returned by @get_stats64 match the SW - * values, we collect the initial values at first open(*) and use them - * as offsets to normalize the values returned by @get_stats64. - * - * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one - * for the reason stated in rtl8169_update_counters; CmdRxEnb is only - * set at open time by rtl_hw_start. - */ - - if (tp->tc_offset.inited) - return true; - - /* If both, reset and update fail, propagate to caller. */ - if (rtl8169_reset_counters(tp)) - ret = true; - - if (rtl8169_update_counters(tp)) - ret = true; - - tp->tc_offset.tx_errors = counters->tx_errors; - tp->tc_offset.tx_multi_collision = counters->tx_multi_collision; - tp->tc_offset.tx_aborted = counters->tx_aborted; - tp->tc_offset.inited = true; - - return ret; -} - -static void rtl8169_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct device *d = tp_to_dev(tp); - struct rtl8169_counters *counters = tp->counters; - - ASSERT_RTNL(); - - pm_runtime_get_noresume(d); - - if (pm_runtime_active(d)) - rtl8169_update_counters(tp); - - pm_runtime_put_noidle(d); - - data[0] = le64_to_cpu(counters->tx_packets); - data[1] = le64_to_cpu(counters->rx_packets); - data[2] = le64_to_cpu(counters->tx_errors); - data[3] = le32_to_cpu(counters->rx_errors); - data[4] = le16_to_cpu(counters->rx_missed); - data[5] = le16_to_cpu(counters->align_errors); - data[6] = le32_to_cpu(counters->tx_one_collision); - data[7] = le32_to_cpu(counters->tx_multi_collision); - data[8] = le64_to_cpu(counters->rx_unicast); - data[9] = le64_to_cpu(counters->rx_broadcast); - data[10] = le32_to_cpu(counters->rx_multicast); - data[11] = le16_to_cpu(counters->tx_aborted); - data[12] = le16_to_cpu(counters->tx_underun); -} - -static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - switch(stringset) { - case ETH_SS_STATS: - memcpy(data, rtl8169_gstrings, sizeof(rtl8169_gstrings)); - break; - } -} - -/* - * Interrupt coalescing - * - * > 1 - the availability of the IntrMitigate (0xe2) register through the - * > 8169, 8168 and 810x line of chipsets - * - * 8169, 8168, and 8136(810x) serial chipsets support it. - * - * > 2 - the Tx timer unit at gigabit speed - * - * The unit of the timer depends on both the speed and the setting of CPlusCmd - * (0xe0) bit 1 and bit 0. - * - * For 8169 - * bit[1:0] \ speed 1000M 100M 10M - * 0 0 320ns 2.56us 40.96us - * 0 1 2.56us 20.48us 327.7us - * 1 0 5.12us 40.96us 655.4us - * 1 1 10.24us 81.92us 1.31ms - * - * For the other - * bit[1:0] \ speed 1000M 100M 10M - * 0 0 5us 2.56us 40.96us - * 0 1 40us 20.48us 327.7us - * 1 0 80us 40.96us 655.4us - * 1 1 160us 81.92us 1.31ms - */ - -/* rx/tx scale factors for one particular CPlusCmd[0:1] value */ -struct rtl_coalesce_scale { - /* Rx / Tx */ - u32 nsecs[2]; -}; - -/* rx/tx scale factors for all CPlusCmd[0:1] cases */ -struct rtl_coalesce_info { - u32 speed; - struct rtl_coalesce_scale scalev[4]; /* each CPlusCmd[0:1] case */ -}; - -/* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */ -#define rxtx_x1822(r, t) { \ - {{(r), (t)}}, \ - {{(r)*8, (t)*8}}, \ - {{(r)*8*2, (t)*8*2}}, \ - {{(r)*8*2*2, (t)*8*2*2}}, \ -} -static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = { - /* speed delays: rx00 tx00 */ - { SPEED_10, rxtx_x1822(40960, 40960) }, - { SPEED_100, rxtx_x1822( 2560, 2560) }, - { SPEED_1000, rxtx_x1822( 320, 320) }, - { 0 }, -}; - -static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = { - /* speed delays: rx00 tx00 */ - { SPEED_10, rxtx_x1822(40960, 40960) }, - { SPEED_100, rxtx_x1822( 2560, 2560) }, - { SPEED_1000, rxtx_x1822( 5000, 5000) }, - { 0 }, -}; -#undef rxtx_x1822 - -/* get rx/tx scale vector corresponding to current speed */ -static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct ethtool_link_ksettings ecmd; - const struct rtl_coalesce_info *ci; - int rc; - - rc = phy_ethtool_get_link_ksettings(dev, &ecmd); - if (rc < 0) - return ERR_PTR(rc); - - for (ci = tp->coalesce_info; ci->speed != 0; ci++) { - if (ecmd.base.speed == ci->speed) { - return ci; - } - } - - return ERR_PTR(-ELNRNG); -} - -static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) -{ - struct rtl8169_private *tp = netdev_priv(dev); - const struct rtl_coalesce_info *ci; - const struct rtl_coalesce_scale *scale; - struct { - u32 *max_frames; - u32 *usecs; - } coal_settings [] = { - { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs }, - { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs } - }, *p = coal_settings; - int i; - u16 w; - - memset(ec, 0, sizeof(*ec)); - - /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */ - ci = rtl_coalesce_info(dev); - if (IS_ERR(ci)) - return PTR_ERR(ci); - - scale = &ci->scalev[tp->cp_cmd & INTT_MASK]; - - /* read IntrMitigate and adjust according to scale */ - for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) { - *p->max_frames = (w & RTL_COALESCE_MASK) << 2; - w >>= RTL_COALESCE_SHIFT; - *p->usecs = w & RTL_COALESCE_MASK; - } - - for (i = 0; i < 2; i++) { - p = coal_settings + i; - *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000; - - /* - * ethtool_coalesce says it is illegal to set both usecs and - * max_frames to 0. - */ - if (!*p->usecs && !*p->max_frames) - *p->max_frames = 1; - } - - return 0; -} - -/* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */ -static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale( - struct net_device *dev, u32 nsec, u16 *cp01) -{ - const struct rtl_coalesce_info *ci; - u16 i; - - ci = rtl_coalesce_info(dev); - if (IS_ERR(ci)) - return ERR_CAST(ci); - - for (i = 0; i < 4; i++) { - u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0], - ci->scalev[i].nsecs[1]); - if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) { - *cp01 = i; - return &ci->scalev[i]; - } - } - - return ERR_PTR(-EINVAL); -} - -static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) -{ - struct rtl8169_private *tp = netdev_priv(dev); - const struct rtl_coalesce_scale *scale; - struct { - u32 frames; - u32 usecs; - } coal_settings [] = { - { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs }, - { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs } - }, *p = coal_settings; - u16 w = 0, cp01; - int i; - - scale = rtl_coalesce_choose_scale(dev, - max(p[0].usecs, p[1].usecs) * 1000, &cp01); - if (IS_ERR(scale)) - return PTR_ERR(scale); - - for (i = 0; i < 2; i++, p++) { - u32 units; - - /* - * accept max_frames=1 we returned in rtl_get_coalesce. - * accept it not only when usecs=0 because of e.g. the following scenario: - * - * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX) - * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1 - * - then user does `ethtool -C eth0 rx-usecs 100` - * - * since ethtool sends to kernel whole ethtool_coalesce - * settings, if we do not handle rx_usecs=!0, rx_frames=1 - * we'll reject it below in `frames % 4 != 0`. - */ - if (p->frames == 1) { - p->frames = 0; - } - - units = p->usecs * 1000 / scale->nsecs[i]; - if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4) - return -EINVAL; - - w <<= RTL_COALESCE_SHIFT; - w |= units; - w <<= RTL_COALESCE_SHIFT; - w |= p->frames >> 2; - } - - rtl_lock_work(tp); - - RTL_W16(tp, IntrMitigate, swab16(w)); - - tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - RTL_R16(tp, CPlusCmd); - - rtl_unlock_work(tp); - - return 0; -} - -static const struct ethtool_ops rtl8169_ethtool_ops = { - .get_drvinfo = rtl8169_get_drvinfo, - .get_regs_len = rtl8169_get_regs_len, - .get_link = ethtool_op_get_link, - .get_coalesce = rtl_get_coalesce, - .set_coalesce = rtl_set_coalesce, - .get_msglevel = rtl8169_get_msglevel, - .set_msglevel = rtl8169_set_msglevel, - .get_regs = rtl8169_get_regs, - .get_wol = rtl8169_get_wol, - .set_wol = rtl8169_set_wol, - .get_strings = rtl8169_get_strings, - .get_sset_count = rtl8169_get_sset_count, - .get_ethtool_stats = rtl8169_get_ethtool_stats, - .get_ts_info = ethtool_op_get_ts_info, - .nway_reset = phy_ethtool_nway_reset, - .get_link_ksettings = phy_ethtool_get_link_ksettings, - .set_link_ksettings = phy_ethtool_set_link_ksettings, -}; - -static void rtl8169_get_mac_version(struct rtl8169_private *tp, - u8 default_version) -{ - /* - * The driver currently handles the 8168Bf and the 8168Be identically - * but they can be identified more specifically through the test below - * if needed: - * - * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be - * - * Same thing for the 8101Eb and the 8101Ec: - * - * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec - */ - static const struct rtl_mac_info { - u32 mask; - u32 val; - int mac_version; - } mac_info[] = { - /* 8168EP family. */ - { 0x7cf00000, 0x50200000, RTL_GIGA_MAC_VER_51 }, - { 0x7cf00000, 0x50100000, RTL_GIGA_MAC_VER_50 }, - { 0x7cf00000, 0x50000000, RTL_GIGA_MAC_VER_49 }, - - /* 8168H family. */ - { 0x7cf00000, 0x54100000, RTL_GIGA_MAC_VER_46 }, - { 0x7cf00000, 0x54000000, RTL_GIGA_MAC_VER_45 }, - - /* 8168G family. */ - { 0x7cf00000, 0x5c800000, RTL_GIGA_MAC_VER_44 }, - { 0x7cf00000, 0x50900000, RTL_GIGA_MAC_VER_42 }, - { 0x7cf00000, 0x4c100000, RTL_GIGA_MAC_VER_41 }, - { 0x7cf00000, 0x4c000000, RTL_GIGA_MAC_VER_40 }, - - /* 8168F family. */ - { 0x7c800000, 0x48800000, RTL_GIGA_MAC_VER_38 }, - { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 }, - { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 }, - - /* 8168E family. */ - { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 }, - { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 }, - { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 }, - - /* 8168D family. */ - { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 }, - { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 }, - - /* 8168DP family. */ - { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 }, - { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 }, - { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 }, - - /* 8168C family. */ - { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, - { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, - { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, - { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, - { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, - { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, - { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, - - /* 8168B family. */ - { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, - { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, - { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, - - /* 8101 family. */ - { 0x7c800000, 0x44800000, RTL_GIGA_MAC_VER_39 }, - { 0x7c800000, 0x44000000, RTL_GIGA_MAC_VER_37 }, - { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 }, - { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 }, - { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, - { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, - { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, - { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, - { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, - { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, - { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, - { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, - { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, - { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, - /* FIXME: where did these entries come from ? -- FR */ - { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, - { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, - - /* 8110 family. */ - { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, - { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, - { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, - { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, - { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, - { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, - - /* Catch-all */ - { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE } - }; - const struct rtl_mac_info *p = mac_info; - u32 reg; - - reg = RTL_R32(tp, TxConfig); - while ((reg & p->mask) != p->val) - p++; - tp->mac_version = p->mac_version; - - if (tp->mac_version == RTL_GIGA_MAC_NONE) { - dev_notice(tp_to_dev(tp), - "unknown MAC, using family default\n"); - tp->mac_version = default_version; - } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) { - tp->mac_version = tp->supports_gmii ? - RTL_GIGA_MAC_VER_42 : - RTL_GIGA_MAC_VER_43; - } else if (tp->mac_version == RTL_GIGA_MAC_VER_45) { - tp->mac_version = tp->supports_gmii ? - RTL_GIGA_MAC_VER_45 : - RTL_GIGA_MAC_VER_47; - } else if (tp->mac_version == RTL_GIGA_MAC_VER_46) { - tp->mac_version = tp->supports_gmii ? - RTL_GIGA_MAC_VER_46 : - RTL_GIGA_MAC_VER_48; - } -} - -static void rtl8169_print_mac_version(struct rtl8169_private *tp) -{ - netif_dbg(tp, drv, tp->dev, "mac_version = 0x%02x\n", tp->mac_version); -} - -struct phy_reg { - u16 reg; - u16 val; -}; - -static void rtl_writephy_batch(struct rtl8169_private *tp, - const struct phy_reg *regs, int len) -{ - while (len-- > 0) { - rtl_writephy(tp, regs->reg, regs->val); - regs++; - } -} - -#define PHY_READ 0x00000000 -#define PHY_DATA_OR 0x10000000 -#define PHY_DATA_AND 0x20000000 -#define PHY_BJMPN 0x30000000 -#define PHY_MDIO_CHG 0x40000000 -#define PHY_CLEAR_READCOUNT 0x70000000 -#define PHY_WRITE 0x80000000 -#define PHY_READCOUNT_EQ_SKIP 0x90000000 -#define PHY_COMP_EQ_SKIPN 0xa0000000 -#define PHY_COMP_NEQ_SKIPN 0xb0000000 -#define PHY_WRITE_PREVIOUS 0xc0000000 -#define PHY_SKIPN 0xd0000000 -#define PHY_DELAY_MS 0xe0000000 - -struct fw_info { - u32 magic; - char version[RTL_VER_SIZE]; - __le32 fw_start; - __le32 fw_len; - u8 chksum; -} __packed; - -#define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code)) - -static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) -{ - const struct firmware *fw = rtl_fw->fw; - struct fw_info *fw_info = (struct fw_info *)fw->data; - struct rtl_fw_phy_action *pa = &rtl_fw->phy_action; - char *version = rtl_fw->version; - bool rc = false; - - if (fw->size < FW_OPCODE_SIZE) - goto out; - - if (!fw_info->magic) { - size_t i, size, start; - u8 checksum = 0; - - if (fw->size < sizeof(*fw_info)) - goto out; - - for (i = 0; i < fw->size; i++) - checksum += fw->data[i]; - if (checksum != 0) - goto out; - - start = le32_to_cpu(fw_info->fw_start); - if (start > fw->size) - goto out; - - size = le32_to_cpu(fw_info->fw_len); - if (size > (fw->size - start) / FW_OPCODE_SIZE) - goto out; - - memcpy(version, fw_info->version, RTL_VER_SIZE); - - pa->code = (__le32 *)(fw->data + start); - pa->size = size; - } else { - if (fw->size % FW_OPCODE_SIZE) - goto out; - - strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE); - - pa->code = (__le32 *)fw->data; - pa->size = fw->size / FW_OPCODE_SIZE; - } - version[RTL_VER_SIZE - 1] = 0; - - rc = true; -out: - return rc; -} - -static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev, - struct rtl_fw_phy_action *pa) -{ - bool rc = false; - size_t index; - - for (index = 0; index < pa->size; index++) { - u32 action = le32_to_cpu(pa->code[index]); - u32 regno = (action & 0x0fff0000) >> 16; - - switch(action & 0xf0000000) { - case PHY_READ: - case PHY_DATA_OR: - case PHY_DATA_AND: - case PHY_MDIO_CHG: - case PHY_CLEAR_READCOUNT: - case PHY_WRITE: - case PHY_WRITE_PREVIOUS: - case PHY_DELAY_MS: - break; - - case PHY_BJMPN: - if (regno > index) { - netif_err(tp, ifup, tp->dev, - "Out of range of firmware\n"); - goto out; - } - break; - case PHY_READCOUNT_EQ_SKIP: - if (index + 2 >= pa->size) { - netif_err(tp, ifup, tp->dev, - "Out of range of firmware\n"); - goto out; - } - break; - case PHY_COMP_EQ_SKIPN: - case PHY_COMP_NEQ_SKIPN: - case PHY_SKIPN: - if (index + 1 + regno >= pa->size) { - netif_err(tp, ifup, tp->dev, - "Out of range of firmware\n"); - goto out; - } - break; - - default: - netif_err(tp, ifup, tp->dev, - "Invalid action 0x%08x\n", action); - goto out; - } - } - rc = true; -out: - return rc; -} - -static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) -{ - struct net_device *dev = tp->dev; - int rc = -EINVAL; - - if (!rtl_fw_format_ok(tp, rtl_fw)) { - netif_err(tp, ifup, dev, "invalid firmware\n"); - goto out; - } - - if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action)) - rc = 0; -out: - return rc; -} - -static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) -{ - struct rtl_fw_phy_action *pa = &rtl_fw->phy_action; - struct mdio_ops org, *ops = &tp->mdio_ops; - u32 predata, count; - size_t index; - - predata = count = 0; - org.write = ops->write; - org.read = ops->read; - - for (index = 0; index < pa->size; ) { - u32 action = le32_to_cpu(pa->code[index]); - u32 data = action & 0x0000ffff; - u32 regno = (action & 0x0fff0000) >> 16; - - if (!action) - break; - - switch(action & 0xf0000000) { - case PHY_READ: - predata = rtl_readphy(tp, regno); - count++; - index++; - break; - case PHY_DATA_OR: - predata |= data; - index++; - break; - case PHY_DATA_AND: - predata &= data; - index++; - break; - case PHY_BJMPN: - index -= regno; - break; - case PHY_MDIO_CHG: - if (data == 0) { - ops->write = org.write; - ops->read = org.read; - } else if (data == 1) { - ops->write = mac_mcu_write; - ops->read = mac_mcu_read; - } - - index++; - break; - case PHY_CLEAR_READCOUNT: - count = 0; - index++; - break; - case PHY_WRITE: - rtl_writephy(tp, regno, data); - index++; - break; - case PHY_READCOUNT_EQ_SKIP: - index += (count == data) ? 2 : 1; - break; - case PHY_COMP_EQ_SKIPN: - if (predata == data) - index += regno; - index++; - break; - case PHY_COMP_NEQ_SKIPN: - if (predata != data) - index += regno; - index++; - break; - case PHY_WRITE_PREVIOUS: - rtl_writephy(tp, regno, predata); - index++; - break; - case PHY_SKIPN: - index += regno + 1; - break; - case PHY_DELAY_MS: - mdelay(data); - index++; - break; - - default: - BUG(); - } - } - - ops->write = org.write; - ops->read = org.read; -} - -static void rtl_release_firmware(struct rtl8169_private *tp) -{ - if (!IS_ERR_OR_NULL(tp->rtl_fw)) { - release_firmware(tp->rtl_fw->fw); - kfree(tp->rtl_fw); - } - tp->rtl_fw = RTL_FIRMWARE_UNKNOWN; -} - -static void rtl_apply_firmware(struct rtl8169_private *tp) -{ - struct rtl_fw *rtl_fw = tp->rtl_fw; - - /* TODO: release firmware once rtl_phy_write_fw signals failures. */ - if (!IS_ERR_OR_NULL(rtl_fw)) - rtl_phy_write_fw(tp, rtl_fw); -} - -static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val) -{ - if (rtl_readphy(tp, reg) != val) - netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n"); - else - rtl_apply_firmware(tp); -} - -static void rtl8169s_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x06, 0x006e }, - { 0x08, 0x0708 }, - { 0x15, 0x4000 }, - { 0x18, 0x65c7 }, - - { 0x1f, 0x0001 }, - { 0x03, 0x00a1 }, - { 0x02, 0x0008 }, - { 0x01, 0x0120 }, - { 0x00, 0x1000 }, - { 0x04, 0x0800 }, - { 0x04, 0x0000 }, - - { 0x03, 0xff41 }, - { 0x02, 0xdf60 }, - { 0x01, 0x0140 }, - { 0x00, 0x0077 }, - { 0x04, 0x7800 }, - { 0x04, 0x7000 }, - - { 0x03, 0x802f }, - { 0x02, 0x4f02 }, - { 0x01, 0x0409 }, - { 0x00, 0xf0f9 }, - { 0x04, 0x9800 }, - { 0x04, 0x9000 }, - - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0xff95 }, - { 0x00, 0xba00 }, - { 0x04, 0xa800 }, - { 0x04, 0xa000 }, - - { 0x03, 0xff41 }, - { 0x02, 0xdf20 }, - { 0x01, 0x0140 }, - { 0x00, 0x00bb }, - { 0x04, 0xb800 }, - { 0x04, 0xb000 }, - - { 0x03, 0xdf41 }, - { 0x02, 0xdc60 }, - { 0x01, 0x6340 }, - { 0x00, 0x007d }, - { 0x04, 0xd800 }, - { 0x04, 0xd000 }, - - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0x100a }, - { 0x00, 0xa0ff }, - { 0x04, 0xf800 }, - { 0x04, 0xf000 }, - - { 0x1f, 0x0000 }, - { 0x0b, 0x0000 }, - { 0x00, 0x9200 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x01, 0x90d0 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp) -{ - struct pci_dev *pdev = tp->pci_dev; - - if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) || - (pdev->subsystem_device != 0xe000)) - return; - - rtl_writephy(tp, 0x1f, 0x0001); - rtl_writephy(tp, 0x10, 0xf01b); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x04, 0x0000 }, - { 0x03, 0x00a1 }, - { 0x02, 0x0008 }, - { 0x01, 0x0120 }, - { 0x00, 0x1000 }, - { 0x04, 0x0800 }, - { 0x04, 0x9000 }, - { 0x03, 0x802f }, - { 0x02, 0x4f02 }, - { 0x01, 0x0409 }, - { 0x00, 0xf099 }, - { 0x04, 0x9800 }, - { 0x04, 0xa000 }, - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0xff95 }, - { 0x00, 0xba00 }, - { 0x04, 0xa800 }, - { 0x04, 0xf000 }, - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0x101a }, - { 0x00, 0xa0ff }, - { 0x04, 0xf800 }, - { 0x04, 0x0000 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x10, 0xf41b }, - { 0x14, 0xfb54 }, - { 0x18, 0xf5c7 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl8169scd_hw_phy_config_quirk(tp); -} - -static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x04, 0x0000 }, - { 0x03, 0x00a1 }, - { 0x02, 0x0008 }, - { 0x01, 0x0120 }, - { 0x00, 0x1000 }, - { 0x04, 0x0800 }, - { 0x04, 0x9000 }, - { 0x03, 0x802f }, - { 0x02, 0x4f02 }, - { 0x01, 0x0409 }, - { 0x00, 0xf099 }, - { 0x04, 0x9800 }, - { 0x04, 0xa000 }, - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0xff95 }, - { 0x00, 0xba00 }, - { 0x04, 0xa800 }, - { 0x04, 0xf000 }, - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0x101a }, - { 0x00, 0xa0ff }, - { 0x04, 0xf800 }, - { 0x04, 0x0000 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x0b, 0x8480 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x18, 0x67c7 }, - { 0x04, 0x2000 }, - { 0x03, 0x002f }, - { 0x02, 0x4360 }, - { 0x01, 0x0109 }, - { 0x00, 0x3022 }, - { 0x04, 0x2800 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x10, 0xf41b }, - { 0x1f, 0x0000 } - }; - - rtl_writephy(tp, 0x1f, 0x0001); - rtl_patchphy(tp, 0x16, 1 << 0); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x10, 0xf41b }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0000 }, - { 0x1d, 0x0f00 }, - { 0x1f, 0x0002 }, - { 0x0c, 0x1ec8 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x1d, 0x3d98 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy(tp, 0x1f, 0x0000); - rtl_patchphy(tp, 0x14, 1 << 5); - rtl_patchphy(tp, 0x0d, 1 << 5); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x12, 0x2300 }, - { 0x1f, 0x0002 }, - { 0x00, 0x88d4 }, - { 0x01, 0x82b1 }, - { 0x03, 0x7002 }, - { 0x08, 0x9e30 }, - { 0x09, 0x01f0 }, - { 0x0a, 0x5500 }, - { 0x0c, 0x00c8 }, - { 0x1f, 0x0003 }, - { 0x12, 0xc096 }, - { 0x16, 0x000a }, - { 0x1f, 0x0000 }, - { 0x1f, 0x0000 }, - { 0x09, 0x2000 }, - { 0x09, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl_patchphy(tp, 0x14, 1 << 5); - rtl_patchphy(tp, 0x0d, 1 << 5); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x12, 0x2300 }, - { 0x03, 0x802f }, - { 0x02, 0x4f02 }, - { 0x01, 0x0409 }, - { 0x00, 0xf099 }, - { 0x04, 0x9800 }, - { 0x04, 0x9000 }, - { 0x1d, 0x3d98 }, - { 0x1f, 0x0002 }, - { 0x0c, 0x7eb8 }, - { 0x06, 0x0761 }, - { 0x1f, 0x0003 }, - { 0x16, 0x0f0a }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl_patchphy(tp, 0x16, 1 << 0); - rtl_patchphy(tp, 0x14, 1 << 5); - rtl_patchphy(tp, 0x0d, 1 << 5); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x12, 0x2300 }, - { 0x1d, 0x3d98 }, - { 0x1f, 0x0002 }, - { 0x0c, 0x7eb8 }, - { 0x06, 0x5461 }, - { 0x1f, 0x0003 }, - { 0x16, 0x0f0a }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl_patchphy(tp, 0x16, 1 << 0); - rtl_patchphy(tp, 0x14, 1 << 5); - rtl_patchphy(tp, 0x0d, 1 << 5); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp) -{ - rtl8168c_3_hw_phy_config(tp); -} - -static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init_0[] = { - /* Channel Estimation */ - { 0x1f, 0x0001 }, - { 0x06, 0x4064 }, - { 0x07, 0x2863 }, - { 0x08, 0x059c }, - { 0x09, 0x26b4 }, - { 0x0a, 0x6a19 }, - { 0x0b, 0xdcc8 }, - { 0x10, 0xf06d }, - { 0x14, 0x7f68 }, - { 0x18, 0x7fd9 }, - { 0x1c, 0xf0ff }, - { 0x1d, 0x3d9c }, - { 0x1f, 0x0003 }, - { 0x12, 0xf49f }, - { 0x13, 0x070b }, - { 0x1a, 0x05ad }, - { 0x14, 0x94c0 }, - - /* - * Tx Error Issue - * Enhance line driver power - */ - { 0x1f, 0x0002 }, - { 0x06, 0x5561 }, - { 0x1f, 0x0005 }, - { 0x05, 0x8332 }, - { 0x06, 0x5561 }, - - /* - * Can not link to 1Gbps with bad cable - * Decrease SNR threshold form 21.07dB to 19.04dB - */ - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - - { 0x1f, 0x0000 }, - { 0x0d, 0xf880 } - }; - - rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); - - /* - * Rx Error Issue - * Fine Tune Switching regulator parameter - */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef); - rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00); - - if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) { - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x05, 0x669a }, - { 0x1f, 0x0005 }, - { 0x05, 0x8330 }, - { 0x06, 0x669a }, - { 0x1f, 0x0002 } - }; - int val; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - val = rtl_readphy(tp, 0x0d); - - if ((val & 0x00ff) != 0x006c) { - static const u32 set[] = { - 0x0065, 0x0066, 0x0067, 0x0068, - 0x0069, 0x006a, 0x006b, 0x006c - }; - int i; - - rtl_writephy(tp, 0x1f, 0x0002); - - val &= 0xff00; - for (i = 0; i < ARRAY_SIZE(set); i++) - rtl_writephy(tp, 0x0d, val | set[i]); - } - } else { - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x05, 0x6662 }, - { 0x1f, 0x0005 }, - { 0x05, 0x8330 }, - { 0x06, 0x6662 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - } - - /* RSET couple improve */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_patchphy(tp, 0x0d, 0x0300); - rtl_patchphy(tp, 0x0f, 0x0010); - - /* Fine tune PLL performance */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600); - rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000); - - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x001b); - - rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init_0[] = { - /* Channel Estimation */ - { 0x1f, 0x0001 }, - { 0x06, 0x4064 }, - { 0x07, 0x2863 }, - { 0x08, 0x059c }, - { 0x09, 0x26b4 }, - { 0x0a, 0x6a19 }, - { 0x0b, 0xdcc8 }, - { 0x10, 0xf06d }, - { 0x14, 0x7f68 }, - { 0x18, 0x7fd9 }, - { 0x1c, 0xf0ff }, - { 0x1d, 0x3d9c }, - { 0x1f, 0x0003 }, - { 0x12, 0xf49f }, - { 0x13, 0x070b }, - { 0x1a, 0x05ad }, - { 0x14, 0x94c0 }, - - /* - * Tx Error Issue - * Enhance line driver power - */ - { 0x1f, 0x0002 }, - { 0x06, 0x5561 }, - { 0x1f, 0x0005 }, - { 0x05, 0x8332 }, - { 0x06, 0x5561 }, - - /* - * Can not link to 1Gbps with bad cable - * Decrease SNR threshold form 21.07dB to 19.04dB - */ - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - - { 0x1f, 0x0000 }, - { 0x0d, 0xf880 } - }; - - rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); - - if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) { - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x05, 0x669a }, - { 0x1f, 0x0005 }, - { 0x05, 0x8330 }, - { 0x06, 0x669a }, - - { 0x1f, 0x0002 } - }; - int val; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - val = rtl_readphy(tp, 0x0d); - if ((val & 0x00ff) != 0x006c) { - static const u32 set[] = { - 0x0065, 0x0066, 0x0067, 0x0068, - 0x0069, 0x006a, 0x006b, 0x006c - }; - int i; - - rtl_writephy(tp, 0x1f, 0x0002); - - val &= 0xff00; - for (i = 0; i < ARRAY_SIZE(set); i++) - rtl_writephy(tp, 0x0d, val | set[i]); - } - } else { - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x05, 0x2642 }, - { 0x1f, 0x0005 }, - { 0x05, 0x8330 }, - { 0x06, 0x2642 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - } - - /* Fine tune PLL performance */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600); - rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000); - - /* Switching regulator Slew rate */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_patchphy(tp, 0x0f, 0x0017); - - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x001b); - - rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0002 }, - { 0x10, 0x0008 }, - { 0x0d, 0x006c }, - - { 0x1f, 0x0000 }, - { 0x0d, 0xf880 }, - - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - - { 0x1f, 0x0001 }, - { 0x0b, 0xa4d8 }, - { 0x09, 0x281c }, - { 0x07, 0x2883 }, - { 0x0a, 0x6b35 }, - { 0x1d, 0x3da4 }, - { 0x1c, 0xeffd }, - { 0x14, 0x7f52 }, - { 0x18, 0x7fc6 }, - { 0x08, 0x0601 }, - { 0x06, 0x4063 }, - { 0x10, 0xf074 }, - { 0x1f, 0x0003 }, - { 0x13, 0x0789 }, - { 0x12, 0xf4bd }, - { 0x1a, 0x04fd }, - { 0x14, 0x84b0 }, - { 0x1f, 0x0000 }, - { 0x00, 0x9200 }, - - { 0x1f, 0x0005 }, - { 0x01, 0x0340 }, - { 0x1f, 0x0001 }, - { 0x04, 0x4000 }, - { 0x03, 0x1d21 }, - { 0x02, 0x0c32 }, - { 0x01, 0x0200 }, - { 0x00, 0x5554 }, - { 0x04, 0x4800 }, - { 0x04, 0x4000 }, - { 0x04, 0xf000 }, - { 0x03, 0xdf01 }, - { 0x02, 0xdf20 }, - { 0x01, 0x101a }, - { 0x00, 0xa0ff }, - { 0x04, 0xf800 }, - { 0x04, 0xf000 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0007 }, - { 0x1e, 0x0023 }, - { 0x16, 0x0000 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0001 }, - { 0x17, 0x0cc0 }, - - { 0x1f, 0x0007 }, - { 0x1e, 0x002d }, - { 0x18, 0x0040 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - rtl_patchphy(tp, 0x0d, 1 << 5); -} - -static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - /* Enable Delay cap */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b80 }, - { 0x06, 0xc896 }, - { 0x1f, 0x0000 }, - - /* Channel estimation fine tune */ - { 0x1f, 0x0001 }, - { 0x0b, 0x6c20 }, - { 0x07, 0x2872 }, - { 0x1c, 0xefff }, - { 0x1f, 0x0003 }, - { 0x14, 0x6420 }, - { 0x1f, 0x0000 }, - - /* Update PFM & 10M TX idle timer */ - { 0x1f, 0x0007 }, - { 0x1e, 0x002f }, - { 0x15, 0x1919 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0007 }, - { 0x1e, 0x00ac }, - { 0x18, 0x0006 }, - { 0x1f, 0x0000 } - }; - - rtl_apply_firmware(tp); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - /* DCO enable for 10M IDLE Power */ - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x0023); - rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* For impedance matching */ - rtl_writephy(tp, 0x1f, 0x0002); - rtl_w0w1_phy(tp, 0x08, 0x8000, 0x7f00); - rtl_writephy(tp, 0x1f, 0x0000); - - /* PHY auto speed down */ - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x002d); - rtl_w0w1_phy(tp, 0x18, 0x0050, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b86); - rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000); - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x0020); - rtl_w0w1_phy(tp, 0x15, 0x0000, 0x1100); - rtl_writephy(tp, 0x1f, 0x0006); - rtl_writephy(tp, 0x00, 0x5a00); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x0d, 0x0007); - rtl_writephy(tp, 0x0e, 0x003c); - rtl_writephy(tp, 0x0d, 0x4007); - rtl_writephy(tp, 0x0e, 0x0000); - rtl_writephy(tp, 0x0d, 0x0000); -} - -static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr) -{ - const u16 w[] = { - addr[0] | (addr[1] << 8), - addr[2] | (addr[3] << 8), - addr[4] | (addr[5] << 8) - }; - const struct exgmac_reg e[] = { - { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) }, - { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] }, - { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 }, - { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) } - }; - - rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e)); -} - -static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - /* Enable Delay cap */ - { 0x1f, 0x0004 }, - { 0x1f, 0x0007 }, - { 0x1e, 0x00ac }, - { 0x18, 0x0006 }, - { 0x1f, 0x0002 }, - { 0x1f, 0x0000 }, - { 0x1f, 0x0000 }, - - /* Channel estimation fine tune */ - { 0x1f, 0x0003 }, - { 0x09, 0xa20f }, - { 0x1f, 0x0000 }, - { 0x1f, 0x0000 }, - - /* Green Setting */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b5b }, - { 0x06, 0x9222 }, - { 0x05, 0x8b6d }, - { 0x06, 0x8000 }, - { 0x05, 0x8b76 }, - { 0x06, 0x8000 }, - { 0x1f, 0x0000 } - }; - - rtl_apply_firmware(tp); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - /* For 4-corner performance improve */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b80); - rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* PHY auto speed down */ - rtl_writephy(tp, 0x1f, 0x0004); - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x002d); - rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000); - rtl_writephy(tp, 0x1f, 0x0002); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - - /* improve 10M EEE waveform */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b86); - rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Improve 2-pair detection performance */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* EEE setting */ - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0003, 0x0000, ERIAR_EXGMAC); - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x2000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0004); - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x0020); - rtl_w0w1_phy(tp, 0x15, 0x0100, 0x0000); - rtl_writephy(tp, 0x1f, 0x0002); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x0d, 0x0007); - rtl_writephy(tp, 0x0e, 0x003c); - rtl_writephy(tp, 0x0d, 0x4007); - rtl_writephy(tp, 0x0e, 0x0006); - rtl_writephy(tp, 0x0d, 0x0000); - - /* Green feature */ - rtl_writephy(tp, 0x1f, 0x0003); - rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000); - rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x1f, 0x0005); - rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */ - rtl_rar_exgmac_set(tp, tp->dev->dev_addr); -} - -static void rtl8168f_hw_phy_config(struct rtl8169_private *tp) -{ - /* For 4-corner performance improve */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b80); - rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* PHY auto speed down */ - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x002d); - rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - - /* Improve 10M EEE waveform */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b86); - rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - /* Channel estimation fine tune */ - { 0x1f, 0x0003 }, - { 0x09, 0xa20f }, - { 0x1f, 0x0000 }, - - /* Modify green table for giga & fnet */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b55 }, - { 0x06, 0x0000 }, - { 0x05, 0x8b5e }, - { 0x06, 0x0000 }, - { 0x05, 0x8b67 }, - { 0x06, 0x0000 }, - { 0x05, 0x8b70 }, - { 0x06, 0x0000 }, - { 0x1f, 0x0000 }, - { 0x1f, 0x0007 }, - { 0x1e, 0x0078 }, - { 0x17, 0x0000 }, - { 0x19, 0x00fb }, - { 0x1f, 0x0000 }, - - /* Modify green table for 10M */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b79 }, - { 0x06, 0xaa00 }, - { 0x1f, 0x0000 }, - - /* Disable hiimpedance detection (RTCT) */ - { 0x1f, 0x0003 }, - { 0x01, 0x328a }, - { 0x1f, 0x0000 } - }; - - rtl_apply_firmware(tp); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl8168f_hw_phy_config(tp); - - /* Improve 2-pair detection performance */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp) -{ - rtl_apply_firmware(tp); - - rtl8168f_hw_phy_config(tp); -} - -static void rtl8411_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - /* Channel estimation fine tune */ - { 0x1f, 0x0003 }, - { 0x09, 0xa20f }, - { 0x1f, 0x0000 }, - - /* Modify green table for giga & fnet */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b55 }, - { 0x06, 0x0000 }, - { 0x05, 0x8b5e }, - { 0x06, 0x0000 }, - { 0x05, 0x8b67 }, - { 0x06, 0x0000 }, - { 0x05, 0x8b70 }, - { 0x06, 0x0000 }, - { 0x1f, 0x0000 }, - { 0x1f, 0x0007 }, - { 0x1e, 0x0078 }, - { 0x17, 0x0000 }, - { 0x19, 0x00aa }, - { 0x1f, 0x0000 }, - - /* Modify green table for 10M */ - { 0x1f, 0x0005 }, - { 0x05, 0x8b79 }, - { 0x06, 0xaa00 }, - { 0x1f, 0x0000 }, - - /* Disable hiimpedance detection (RTCT) */ - { 0x1f, 0x0003 }, - { 0x01, 0x328a }, - { 0x1f, 0x0000 } - }; - - - rtl_apply_firmware(tp); - - rtl8168f_hw_phy_config(tp); - - /* Improve 2-pair detection performance */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - /* Modify green table for giga */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b54); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); - rtl_writephy(tp, 0x05, 0x8b5d); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); - rtl_writephy(tp, 0x05, 0x8a7c); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); - rtl_writephy(tp, 0x05, 0x8a7f); - rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000); - rtl_writephy(tp, 0x05, 0x8a82); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); - rtl_writephy(tp, 0x05, 0x8a85); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); - rtl_writephy(tp, 0x05, 0x8a88); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); - rtl_writephy(tp, 0x1f, 0x0000); - - /* uc same-seed solution */ - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* eee setting */ - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC); - rtl_writephy(tp, 0x1f, 0x0005); - rtl_writephy(tp, 0x05, 0x8b85); - rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000); - rtl_writephy(tp, 0x1f, 0x0004); - rtl_writephy(tp, 0x1f, 0x0007); - rtl_writephy(tp, 0x1e, 0x0020); - rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0100); - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x0d, 0x0007); - rtl_writephy(tp, 0x0e, 0x003c); - rtl_writephy(tp, 0x0d, 0x4007); - rtl_writephy(tp, 0x0e, 0x0000); - rtl_writephy(tp, 0x0d, 0x0000); - - /* Green feature */ - rtl_writephy(tp, 0x1f, 0x0003); - rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001); - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp) -{ - rtl_apply_firmware(tp); - - rtl_writephy(tp, 0x1f, 0x0a46); - if (rtl_readphy(tp, 0x10) & 0x0100) { - rtl_writephy(tp, 0x1f, 0x0bcc); - rtl_w0w1_phy(tp, 0x12, 0x0000, 0x8000); - } else { - rtl_writephy(tp, 0x1f, 0x0bcc); - rtl_w0w1_phy(tp, 0x12, 0x8000, 0x0000); - } - - rtl_writephy(tp, 0x1f, 0x0a46); - if (rtl_readphy(tp, 0x13) & 0x0100) { - rtl_writephy(tp, 0x1f, 0x0c41); - rtl_w0w1_phy(tp, 0x15, 0x0002, 0x0000); - } else { - rtl_writephy(tp, 0x1f, 0x0c41); - rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0002); - } - - /* Enable PHY auto speed down */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); - - rtl_writephy(tp, 0x1f, 0x0bcc); - rtl_w0w1_phy(tp, 0x14, 0x0100, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8084); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); - rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); - - /* EEE auto-fallback function */ - rtl_writephy(tp, 0x1f, 0x0a4b); - rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); - - /* Enable UC LPF tune function */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8012); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - - rtl_writephy(tp, 0x1f, 0x0c42); - rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); - - /* Improve SWR Efficiency */ - rtl_writephy(tp, 0x1f, 0x0bcd); - rtl_writephy(tp, 0x14, 0x5065); - rtl_writephy(tp, 0x14, 0xd065); - rtl_writephy(tp, 0x1f, 0x0bc8); - rtl_writephy(tp, 0x11, 0x5655); - rtl_writephy(tp, 0x1f, 0x0bcd); - rtl_writephy(tp, 0x14, 0x1065); - rtl_writephy(tp, 0x14, 0x9065); - rtl_writephy(tp, 0x14, 0x1065); - - /* Check ALDPS bit, disable it if enabled */ - rtl_writephy(tp, 0x1f, 0x0a43); - if (rtl_readphy(tp, 0x10) & 0x0004) - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp) -{ - rtl_apply_firmware(tp); -} - -static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp) -{ - u16 dout_tapbin; - u32 data; - - rtl_apply_firmware(tp); - - /* CHN EST parameters adjust - giga master */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x809b); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800); - rtl_writephy(tp, 0x13, 0x80a2); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00); - rtl_writephy(tp, 0x13, 0x80a4); - rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00); - rtl_writephy(tp, 0x13, 0x809c); - rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00); - rtl_writephy(tp, 0x1f, 0x0000); - - /* CHN EST parameters adjust - giga slave */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x80ad); - rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800); - rtl_writephy(tp, 0x13, 0x80b4); - rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00); - rtl_writephy(tp, 0x13, 0x80ac); - rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00); - rtl_writephy(tp, 0x1f, 0x0000); - - /* CHN EST parameters adjust - fnet */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x808e); - rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00); - rtl_writephy(tp, 0x13, 0x8090); - rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00); - rtl_writephy(tp, 0x13, 0x8092); - rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00); - rtl_writephy(tp, 0x1f, 0x0000); - - /* enable R-tune & PGA-retune function */ - dout_tapbin = 0; - rtl_writephy(tp, 0x1f, 0x0a46); - data = rtl_readphy(tp, 0x13); - data &= 3; - data <<= 2; - dout_tapbin |= data; - data = rtl_readphy(tp, 0x12); - data &= 0xc000; - data >>= 14; - dout_tapbin |= data; - dout_tapbin = ~(dout_tapbin^0x08); - dout_tapbin <<= 12; - dout_tapbin &= 0xf000; - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x827a); - rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); - rtl_writephy(tp, 0x13, 0x827b); - rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); - rtl_writephy(tp, 0x13, 0x827c); - rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); - rtl_writephy(tp, 0x13, 0x827d); - rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); - - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x0811); - rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a42); - rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* enable GPHY 10M */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* SAR ADC performance */ - rtl_writephy(tp, 0x1f, 0x0bca); - rtl_w0w1_phy(tp, 0x17, 0x4000, 0x3000); - rtl_writephy(tp, 0x1f, 0x0000); - - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x803f); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x8047); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x804f); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x8057); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x805f); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x8067); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x13, 0x806f); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* disable phy pfm mode */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Check ALDPS bit, disable it if enabled */ - rtl_writephy(tp, 0x1f, 0x0a43); - if (rtl_readphy(tp, 0x10) & 0x0004) - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp) -{ - u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0; - u16 rlen; - u32 data; - - rtl_apply_firmware(tp); - - /* CHIN EST parameter update */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x808a); - rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f); - rtl_writephy(tp, 0x1f, 0x0000); - - /* enable R-tune & PGA-retune function */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x0811); - rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a42); - rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* enable GPHY 10M */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - r8168_mac_ocp_write(tp, 0xdd02, 0x807d); - data = r8168_mac_ocp_read(tp, 0xdd02); - ioffset_p3 = ((data & 0x80)>>7); - ioffset_p3 <<= 3; - - data = r8168_mac_ocp_read(tp, 0xdd00); - ioffset_p3 |= ((data & (0xe000))>>13); - ioffset_p2 = ((data & (0x1e00))>>9); - ioffset_p1 = ((data & (0x01e0))>>5); - ioffset_p0 = ((data & 0x0010)>>4); - ioffset_p0 <<= 3; - ioffset_p0 |= (data & (0x07)); - data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0); - - if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) || - (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) { - rtl_writephy(tp, 0x1f, 0x0bcf); - rtl_writephy(tp, 0x16, data); - rtl_writephy(tp, 0x1f, 0x0000); - } - - /* Modify rlen (TX LPF corner frequency) level */ - rtl_writephy(tp, 0x1f, 0x0bcd); - data = rtl_readphy(tp, 0x16); - data &= 0x000f; - rlen = 0; - if (data > 3) - rlen = data - 3; - data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12); - rtl_writephy(tp, 0x17, data); - rtl_writephy(tp, 0x1f, 0x0bcd); - rtl_writephy(tp, 0x1f, 0x0000); - - /* disable phy pfm mode */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Check ALDPS bit, disable it if enabled */ - rtl_writephy(tp, 0x1f, 0x0a43); - if (rtl_readphy(tp, 0x10) & 0x0004) - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp) -{ - /* Enable PHY auto speed down */ - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* patch 10M & ALDPS */ - rtl_writephy(tp, 0x1f, 0x0bcc); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100); - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8084); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); - rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Enable EEE auto-fallback function */ - rtl_writephy(tp, 0x1f, 0x0a4b); - rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Enable UC LPF tune function */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8012); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* set rg_sel_sdm_rate */ - rtl_writephy(tp, 0x1f, 0x0c42); - rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Check ALDPS bit, disable it if enabled */ - rtl_writephy(tp, 0x1f, 0x0a43); - if (rtl_readphy(tp, 0x10) & 0x0004) - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp) -{ - /* patch 10M & ALDPS */ - rtl_writephy(tp, 0x1f, 0x0bcc); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100); - rtl_writephy(tp, 0x1f, 0x0a44); - rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8084); - rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); - rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Enable UC LPF tune function */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8012); - rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Set rg_sel_sdm_rate */ - rtl_writephy(tp, 0x1f, 0x0c42); - rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Channel estimation parameters */ - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x80f3); - rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff); - rtl_writephy(tp, 0x13, 0x80f0); - rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff); - rtl_writephy(tp, 0x13, 0x80ef); - rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff); - rtl_writephy(tp, 0x13, 0x80f6); - rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff); - rtl_writephy(tp, 0x13, 0x80ec); - rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff); - rtl_writephy(tp, 0x13, 0x80ed); - rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); - rtl_writephy(tp, 0x13, 0x80f2); - rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff); - rtl_writephy(tp, 0x13, 0x80f4); - rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff); - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x8110); - rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff); - rtl_writephy(tp, 0x13, 0x810f); - rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff); - rtl_writephy(tp, 0x13, 0x8111); - rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff); - rtl_writephy(tp, 0x13, 0x8113); - rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff); - rtl_writephy(tp, 0x13, 0x8115); - rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff); - rtl_writephy(tp, 0x13, 0x810e); - rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff); - rtl_writephy(tp, 0x13, 0x810c); - rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); - rtl_writephy(tp, 0x13, 0x810b); - rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff); - rtl_writephy(tp, 0x1f, 0x0a43); - rtl_writephy(tp, 0x13, 0x80d1); - rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff); - rtl_writephy(tp, 0x13, 0x80cd); - rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff); - rtl_writephy(tp, 0x13, 0x80d3); - rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff); - rtl_writephy(tp, 0x13, 0x80d5); - rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff); - rtl_writephy(tp, 0x13, 0x80d7); - rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff); - - /* Force PWM-mode */ - rtl_writephy(tp, 0x1f, 0x0bcd); - rtl_writephy(tp, 0x14, 0x5065); - rtl_writephy(tp, 0x14, 0xd065); - rtl_writephy(tp, 0x1f, 0x0bc8); - rtl_writephy(tp, 0x12, 0x00ed); - rtl_writephy(tp, 0x1f, 0x0bcd); - rtl_writephy(tp, 0x14, 0x1065); - rtl_writephy(tp, 0x14, 0x9065); - rtl_writephy(tp, 0x14, 0x1065); - rtl_writephy(tp, 0x1f, 0x0000); - - /* Check ALDPS bit, disable it if enabled */ - rtl_writephy(tp, 0x1f, 0x0a43); - if (rtl_readphy(tp, 0x10) & 0x0004) - rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); - - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8102e_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0003 }, - { 0x08, 0x441d }, - { 0x01, 0x9100 }, - { 0x1f, 0x0000 } - }; - - rtl_writephy(tp, 0x1f, 0x0000); - rtl_patchphy(tp, 0x11, 1 << 12); - rtl_patchphy(tp, 0x19, 1 << 13); - rtl_patchphy(tp, 0x10, 1 << 15); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8105e_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0005 }, - { 0x1a, 0x0000 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0004 }, - { 0x1c, 0x0000 }, - { 0x1f, 0x0000 }, - - { 0x1f, 0x0001 }, - { 0x15, 0x7701 }, - { 0x1f, 0x0000 } - }; - - /* Disable ALDPS before ram code */ - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x18, 0x0310); - msleep(100); - - rtl_apply_firmware(tp); - - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); -} - -static void rtl8402_hw_phy_config(struct rtl8169_private *tp) -{ - /* Disable ALDPS before setting firmware */ - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x18, 0x0310); - msleep(20); - - rtl_apply_firmware(tp); - - /* EEE setting */ - rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_writephy(tp, 0x1f, 0x0004); - rtl_writephy(tp, 0x10, 0x401f); - rtl_writephy(tp, 0x19, 0x7030); - rtl_writephy(tp, 0x1f, 0x0000); -} - -static void rtl8106e_hw_phy_config(struct rtl8169_private *tp) -{ - static const struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0004 }, - { 0x10, 0xc07f }, - { 0x19, 0x7030 }, - { 0x1f, 0x0000 } - }; - - /* Disable ALDPS before ram code */ - rtl_writephy(tp, 0x1f, 0x0000); - rtl_writephy(tp, 0x18, 0x0310); - msleep(100); - - rtl_apply_firmware(tp); - - rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); - - rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); -} - -static void rtl_hw_phy_config(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - rtl8169_print_mac_version(tp); - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01: - break; - case RTL_GIGA_MAC_VER_02: - case RTL_GIGA_MAC_VER_03: - rtl8169s_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_04: - rtl8169sb_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_05: - rtl8169scd_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_06: - rtl8169sce_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_07: - case RTL_GIGA_MAC_VER_08: - case RTL_GIGA_MAC_VER_09: - rtl8102e_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_11: - rtl8168bb_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_12: - rtl8168bef_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_17: - rtl8168bef_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_18: - rtl8168cp_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_19: - rtl8168c_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_20: - rtl8168c_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_21: - rtl8168c_3_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_22: - rtl8168c_4_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_23: - case RTL_GIGA_MAC_VER_24: - rtl8168cp_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_25: - rtl8168d_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_26: - rtl8168d_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_27: - rtl8168d_3_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_28: - rtl8168d_4_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_29: - case RTL_GIGA_MAC_VER_30: - rtl8105e_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_31: - /* None. */ - break; - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - rtl8168e_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_34: - rtl8168e_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_35: - rtl8168f_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_36: - rtl8168f_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_37: - rtl8402_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_38: - rtl8411_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_39: - rtl8106e_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_40: - rtl8168g_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_42: - case RTL_GIGA_MAC_VER_43: - case RTL_GIGA_MAC_VER_44: - rtl8168g_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_47: - rtl8168h_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_46: - case RTL_GIGA_MAC_VER_48: - rtl8168h_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_49: - rtl8168ep_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - rtl8168ep_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_41: - default: - break; - } -} - -static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag) -{ - if (!test_and_set_bit(flag, tp->wk.flags)) - schedule_work(&tp->wk.work); -} - -static bool rtl_tbi_enabled(struct rtl8169_private *tp) -{ - return (tp->mac_version == RTL_GIGA_MAC_VER_01) && - (RTL_R8(tp, PHYstatus) & TBI_Enable); -} - -static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) -{ - rtl_hw_phy_config(dev); - - if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { - netif_dbg(tp, drv, dev, - "Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); - RTL_W8(tp, 0x82, 0x01); - } - - pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); - - if (tp->mac_version <= RTL_GIGA_MAC_VER_06) - pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); - - if (tp->mac_version == RTL_GIGA_MAC_VER_02) { - netif_dbg(tp, drv, dev, - "Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); - RTL_W8(tp, 0x82, 0x01); - netif_dbg(tp, drv, dev, - "Set PHY Reg 0x0bh = 0x00h\n"); - rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0 - } - - /* We may have called phy_speed_down before */ - phy_speed_up(dev->phydev); - - genphy_soft_reset(dev->phydev); - - /* It was reported that several chips end up with 10MBit/Half on a - * 1GBit link after resuming from S3. For whatever reason the PHY on - * these chips doesn't properly start a renegotiation when soft-reset. - * Explicitly requesting a renegotiation fixes this. - */ - if (dev->phydev->autoneg == AUTONEG_ENABLE) - phy_restart_aneg(dev->phydev); -} - -static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) -{ - rtl_lock_work(tp); - - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - - RTL_W32(tp, MAC4, addr[4] | addr[5] << 8); - RTL_R32(tp, MAC4); - - RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); - RTL_R32(tp, MAC0); - - if (tp->mac_version == RTL_GIGA_MAC_VER_34) - rtl_rar_exgmac_set(tp, addr); - - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - - rtl_unlock_work(tp); -} - -static void rtl_init_rxcfg(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: - RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: - case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: - case RTL_GIGA_MAC_VER_38: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); - break; - default: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); - break; - } -} - -static int rtl_set_mac_address(struct net_device *dev, void *p) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct device *d = tp_to_dev(tp); - int ret; - - ret = eth_mac_addr(dev, p); - if (ret) - return ret; - - pm_runtime_get_noresume(d); - - if (pm_runtime_active(d)) - rtl_rar_set(tp, dev->dev_addr); - - pm_runtime_put_noidle(d); - - /* Reportedly at least Asus X453MA truncates packets otherwise */ - if (tp->mac_version == RTL_GIGA_MAC_VER_37) - rtl_init_rxcfg(tp); - - return 0; -} - -static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - if (!netif_running(dev)) - return -ENODEV; - - return phy_mii_ioctl(dev->phydev, ifr, cmd); -} - -static void rtl_init_mdio_ops(struct rtl8169_private *tp) -{ - struct mdio_ops *ops = &tp->mdio_ops; - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - ops->write = r8168dp_1_mdio_write; - ops->read = r8168dp_1_mdio_read; - break; - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - ops->write = r8168dp_2_mdio_write; - ops->read = r8168dp_2_mdio_read; - break; - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - ops->write = r8168g_mdio_write; - ops->read = r8168g_mdio_read; - break; - default: - ops->write = r8169_mdio_write; - ops->read = r8169_mdio_read; - break; - } -} - -static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_25: - case RTL_GIGA_MAC_VER_26: - case RTL_GIGA_MAC_VER_29: - case RTL_GIGA_MAC_VER_30: - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - case RTL_GIGA_MAC_VER_34: - case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51: - RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) | - AcceptBroadcast | AcceptMulticast | AcceptMyPhys); - break; - default: - break; - } -} - -static bool rtl_wol_pll_power_down(struct rtl8169_private *tp) -{ - struct phy_device *phydev; - - if (!__rtl8169_get_wol(tp)) - return false; - - /* phydev may not be attached to netdevice */ - phydev = mdiobus_get_phy(tp->mii_bus, 0); - - phy_speed_down(phydev, false); - rtl_wol_suspend_quirk(tp); - - return true; -} - -static void r8168_pll_power_down(struct rtl8169_private *tp) -{ - if (r8168_check_dash(tp)) - return; - - if (tp->mac_version == RTL_GIGA_MAC_VER_32 || - tp->mac_version == RTL_GIGA_MAC_VER_33) - rtl_ephy_write(tp, 0x19, 0xff64); - - if (rtl_wol_pll_power_down(tp)) - return; - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: - case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30: - case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: - case RTL_GIGA_MAC_VER_37: - case RTL_GIGA_MAC_VER_39: - case RTL_GIGA_MAC_VER_43: - case RTL_GIGA_MAC_VER_44: - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_46: - case RTL_GIGA_MAC_VER_47: - case RTL_GIGA_MAC_VER_48: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); - break; - case RTL_GIGA_MAC_VER_40: - case RTL_GIGA_MAC_VER_41: - case RTL_GIGA_MAC_VER_49: - rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000, - 0xfc000000, ERIAR_EXGMAC); - RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); - break; - } -} - -static void r8168_pll_power_up(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: - case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30: - case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: - case RTL_GIGA_MAC_VER_37: - case RTL_GIGA_MAC_VER_39: - case RTL_GIGA_MAC_VER_43: - RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80); - break; - case RTL_GIGA_MAC_VER_44: - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_46: - case RTL_GIGA_MAC_VER_47: - case RTL_GIGA_MAC_VER_48: - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); - break; - case RTL_GIGA_MAC_VER_40: - case RTL_GIGA_MAC_VER_41: - case RTL_GIGA_MAC_VER_49: - RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); - rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000, - 0x00000000, ERIAR_EXGMAC); - break; - } - - phy_resume(tp->dev->phydev); - /* give MAC/PHY some time to resume */ - msleep(20); -} - -static void rtl_pll_power_down(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: - break; - default: - r8168_pll_power_down(tp); - } -} - -static void rtl_pll_power_up(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: - break; - default: - r8168_pll_power_up(tp); - } -} - -static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) -{ - tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0; -} - -static void rtl_hw_jumbo_enable(struct rtl8169_private *tp) -{ - if (tp->jumbo_ops.enable) { - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - tp->jumbo_ops.enable(tp); - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - } -} - -static void rtl_hw_jumbo_disable(struct rtl8169_private *tp) -{ - if (tp->jumbo_ops.disable) { - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - tp->jumbo_ops.disable(tp); - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - } -} - -static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); - RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1); - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); -} - -static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); - RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1); - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); -} - -static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); -} - -static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); -} - -static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp) -{ - RTL_W8(tp, MaxTxPacketSize, 0x24); - RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); - RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01); - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); -} - -static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp) -{ - RTL_W8(tp, MaxTxPacketSize, 0x3f); - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); - RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01); - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); -} - -static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp) -{ - rtl_tx_performance_tweak(tp, - PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN); -} - -static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp) -{ - rtl_tx_performance_tweak(tp, - PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN); -} - -static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp) -{ - r8168b_0_hw_jumbo_enable(tp); - - RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0)); -} - -static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp) -{ - r8168b_0_hw_jumbo_disable(tp); - - RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); -} - -static void rtl_init_jumbo_ops(struct rtl8169_private *tp) -{ - struct jumbo_ops *ops = &tp->jumbo_ops; - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_11: - ops->disable = r8168b_0_hw_jumbo_disable; - ops->enable = r8168b_0_hw_jumbo_enable; - break; - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_17: - ops->disable = r8168b_1_hw_jumbo_disable; - ops->enable = r8168b_1_hw_jumbo_enable; - break; - case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */ - case RTL_GIGA_MAC_VER_19: - case RTL_GIGA_MAC_VER_20: - case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */ - case RTL_GIGA_MAC_VER_22: - case RTL_GIGA_MAC_VER_23: - case RTL_GIGA_MAC_VER_24: - case RTL_GIGA_MAC_VER_25: - case RTL_GIGA_MAC_VER_26: - ops->disable = r8168c_hw_jumbo_disable; - ops->enable = r8168c_hw_jumbo_enable; - break; - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - ops->disable = r8168dp_hw_jumbo_disable; - ops->enable = r8168dp_hw_jumbo_enable; - break; - case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */ - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - case RTL_GIGA_MAC_VER_34: - ops->disable = r8168e_hw_jumbo_disable; - ops->enable = r8168e_hw_jumbo_enable; - break; - - /* - * No action needed for jumbo frames with 8169. - * No jumbo for 810x at all. - */ - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - default: - ops->disable = NULL; - ops->enable = NULL; - break; - } -} - -DECLARE_RTL_COND(rtl_chipcmd_cond) -{ - return RTL_R8(tp, ChipCmd) & CmdReset; -} - -static void rtl_hw_reset(struct rtl8169_private *tp) -{ - RTL_W8(tp, ChipCmd, CmdReset); - - rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100); -} - -static void rtl_request_uncached_firmware(struct rtl8169_private *tp) -{ - struct rtl_fw *rtl_fw; - const char *name; - int rc = -ENOMEM; - - name = rtl_lookup_firmware_name(tp); - if (!name) - goto out_no_firmware; - - rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL); - if (!rtl_fw) - goto err_warn; - - rc = request_firmware(&rtl_fw->fw, name, tp_to_dev(tp)); - if (rc < 0) - goto err_free; - - rc = rtl_check_firmware(tp, rtl_fw); - if (rc < 0) - goto err_release_firmware; - - tp->rtl_fw = rtl_fw; -out: - return; - -err_release_firmware: - release_firmware(rtl_fw->fw); -err_free: - kfree(rtl_fw); -err_warn: - netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n", - name, rc); -out_no_firmware: - tp->rtl_fw = NULL; - goto out; -} - -static void rtl_request_firmware(struct rtl8169_private *tp) -{ - if (IS_ERR(tp->rtl_fw)) - rtl_request_uncached_firmware(tp); -} - -static void rtl_rx_close(struct rtl8169_private *tp) -{ - RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK); -} - -DECLARE_RTL_COND(rtl_npq_cond) -{ - return RTL_R8(tp, TxPoll) & NPQ; -} - -DECLARE_RTL_COND(rtl_txcfg_empty_cond) -{ - return RTL_R32(tp, TxConfig) & TXCFG_EMPTY; -} - -static void rtl8169_hw_reset(struct rtl8169_private *tp) -{ - /* Disable interrupts */ - rtl8169_irq_mask_and_ack(tp); - - rtl_rx_close(tp); - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42); - break; - case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); - rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666); - break; - default: - RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); - udelay(100); - break; - } - - rtl_hw_reset(tp); -} - -static void rtl_set_tx_config_registers(struct rtl8169_private *tp) -{ - u32 val = TX_DMA_BURST << TxDMAShift | - InterFrameGap << TxInterFrameGapShift; - - if (tp->mac_version >= RTL_GIGA_MAC_VER_34 && - tp->mac_version != RTL_GIGA_MAC_VER_39) - val |= TXCFG_AUTO_FIFO; - - RTL_W32(tp, TxConfig, val); -} - -static void rtl_set_rx_max_size(struct rtl8169_private *tp) -{ - /* Low hurts. Let's disable the filtering. */ - RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1); -} - -static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp) -{ - /* - * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh - * register to be written before TxDescAddrLow to work. - * Switching from MMIO to I/O access fixes the issue as well. - */ - RTL_W32(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); - RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32)); - RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); - RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32)); -} - -static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version) -{ - static const struct rtl_cfg2_info { - u32 mac_version; - u32 clk; - u32 val; - } cfg2_info [] = { - { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd - { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, - { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe - { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } - }; - const struct rtl_cfg2_info *p = cfg2_info; - unsigned int i; - u32 clk; - - clk = RTL_R8(tp, Config2) & PCI_Clock_66MHz; - for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { - if ((p->mac_version == mac_version) && (p->clk == clk)) { - RTL_W32(tp, 0x7c, p->val); - break; - } - } -} - -static void rtl_set_rx_mode(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - u32 mc_filter[2]; /* Multicast hash filter */ - int rx_mode; - u32 tmp = 0; - - if (dev->flags & IFF_PROMISC) { - /* Unconditionally log net taps. */ - netif_notice(tp, link, dev, "Promiscuous mode enabled\n"); - rx_mode = - AcceptBroadcast | AcceptMulticast | AcceptMyPhys | - AcceptAllPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else if ((netdev_mc_count(dev) > multicast_filter_limit) || - (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else { - struct netdev_hw_addr *ha; - - rx_mode = AcceptBroadcast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0; - netdev_for_each_mc_addr(ha, dev) { - int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; - mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); - rx_mode |= AcceptMulticast; - } - } - - if (dev->features & NETIF_F_RXALL) - rx_mode |= (AcceptErr | AcceptRunt); - - tmp = (RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode; - - if (tp->mac_version > RTL_GIGA_MAC_VER_06) { - u32 data = mc_filter[0]; - - mc_filter[0] = swab32(mc_filter[1]); - mc_filter[1] = swab32(data); - } - - if (tp->mac_version == RTL_GIGA_MAC_VER_35) - mc_filter[1] = mc_filter[0] = 0xffffffff; - - RTL_W32(tp, MAR0 + 4, mc_filter[1]); - RTL_W32(tp, MAR0 + 0, mc_filter[0]); - - RTL_W32(tp, RxConfig, tmp); -} - -static void rtl_hw_start(struct rtl8169_private *tp) -{ - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - - tp->hw_start(tp); - - rtl_set_rx_max_size(tp); - rtl_set_rx_tx_desc_registers(tp); - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - - /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ - RTL_R8(tp, IntrMask); - RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); - rtl_init_rxcfg(tp); - rtl_set_tx_config_registers(tp); - - rtl_set_rx_mode(tp->dev); - /* no early-rx interrupts */ - RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000); - rtl_irq_enable_all(tp); -} - -static void rtl_hw_start_8169(struct rtl8169_private *tp) -{ - if (tp->mac_version == RTL_GIGA_MAC_VER_05) - pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); - - RTL_W8(tp, EarlyTxThres, NoEarlyTx); - - tp->cp_cmd |= PCIMulRW; - - if (tp->mac_version == RTL_GIGA_MAC_VER_02 || - tp->mac_version == RTL_GIGA_MAC_VER_03) { - netif_dbg(tp, drv, tp->dev, - "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n"); - tp->cp_cmd |= (1 << 14); - } - - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - - rtl8169_set_magic_reg(tp, tp->mac_version); - - /* - * Undocumented corner. Supposedly: - * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets - */ - RTL_W16(tp, IntrMitigate, 0x0000); - - RTL_W32(tp, RxMissed, 0); -} - -DECLARE_RTL_COND(rtl_csiar_cond) -{ - return RTL_R32(tp, CSIAR) & CSIAR_FLAG; -} - -static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value) -{ - u32 func = PCI_FUNC(tp->pci_dev->devfn); - - RTL_W32(tp, CSIDR, value); - RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | - CSIAR_BYTE_ENABLE | func << 16); - - rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100); -} - -static u32 rtl_csi_read(struct rtl8169_private *tp, int addr) -{ - u32 func = PCI_FUNC(tp->pci_dev->devfn); - - RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 | - CSIAR_BYTE_ENABLE); - - return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ? - RTL_R32(tp, CSIDR) : ~0; -} - -static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val) -{ - struct pci_dev *pdev = tp->pci_dev; - u32 csi; - - /* According to Realtek the value at config space address 0x070f - * controls the L0s/L1 entrance latency. We try standard ECAM access - * first and if it fails fall back to CSI. - */ - if (pdev->cfg_size > 0x070f && - pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL) - return; - - netdev_notice_once(tp->dev, - "No native access to PCI extended config space, falling back to CSI\n"); - csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff; - rtl_csi_write(tp, 0x070c, csi | val << 24); -} - -static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp) -{ - rtl_csi_access_enable(tp, 0x27); -} - -struct ephy_info { - unsigned int offset; - u16 mask; - u16 bits; -}; - -static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e, - int len) -{ - u16 w; - - while (len-- > 0) { - w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits; - rtl_ephy_write(tp, e->offset, w); - e++; - } -} - -static void rtl_disable_clock_request(struct rtl8169_private *tp) -{ - pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL, - PCI_EXP_LNKCTL_CLKREQ_EN); -} - -static void rtl_enable_clock_request(struct rtl8169_private *tp) -{ - pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL, - PCI_EXP_LNKCTL_CLKREQ_EN); -} - -static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable) -{ - u8 data; - - data = RTL_R8(tp, Config3); - - if (enable) - data |= Rdy_to_L23; - else - data &= ~Rdy_to_L23; - - RTL_W8(tp, Config3, data); -} - -static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) -{ - if (enable) { - RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en); - RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn); - } else { - RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); - RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); - } - - udelay(10); -} - -static void rtl_hw_start_8168bb(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - - if (tp->dev->mtu <= ETH_DATA_LEN) { - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B | - PCI_EXP_DEVCTL_NOSNOOP_EN); - } -} - -static void rtl_hw_start_8168bef(struct rtl8169_private *tp) -{ - rtl_hw_start_8168bb(tp); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); -} - -static void __rtl_hw_start_8168cp(struct rtl8169_private *tp) -{ - RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down); - - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_disable_clock_request(tp); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); -} - -static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168cp[] = { - { 0x01, 0, 0x0001 }, - { 0x02, 0x0800, 0x1000 }, - { 0x03, 0, 0x0042 }, - { 0x06, 0x0080, 0x0000 }, - { 0x07, 0, 0x2000 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); - - __rtl_hw_start_8168cp(tp); -} - -static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); -} - -static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - /* Magic. */ - RTL_W8(tp, DBG_REG, 0x20); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); -} - -static void rtl_hw_start_8168c_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168c_1[] = { - { 0x02, 0x0800, 0x1000 }, - { 0x03, 0, 0x0002 }, - { 0x06, 0x0080, 0x0000 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); - - rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); - - __rtl_hw_start_8168cp(tp); -} - -static void rtl_hw_start_8168c_2(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168c_2[] = { - { 0x01, 0, 0x0001 }, - { 0x03, 0x0400, 0x0220 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); - - __rtl_hw_start_8168cp(tp); -} - -static void rtl_hw_start_8168c_3(struct rtl8169_private *tp) -{ - rtl_hw_start_8168c_2(tp); -} - -static void rtl_hw_start_8168c_4(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - __rtl_hw_start_8168cp(tp); -} - -static void rtl_hw_start_8168d(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - rtl_disable_clock_request(tp); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); -} - -static void rtl_hw_start_8168dp(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - rtl_disable_clock_request(tp); -} - -static void rtl_hw_start_8168d_4(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168d_4[] = { - { 0x0b, 0x0000, 0x0048 }, - { 0x19, 0x0020, 0x0050 }, - { 0x0c, 0x0100, 0x0020 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - rtl_ephy_init(tp, e_info_8168d_4, ARRAY_SIZE(e_info_8168d_4)); - - rtl_enable_clock_request(tp); -} - -static void rtl_hw_start_8168e_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168e_1[] = { - { 0x00, 0x0200, 0x0100 }, - { 0x00, 0x0000, 0x0004 }, - { 0x06, 0x0002, 0x0001 }, - { 0x06, 0x0000, 0x0030 }, - { 0x07, 0x0000, 0x2000 }, - { 0x00, 0x0000, 0x0020 }, - { 0x03, 0x5800, 0x2000 }, - { 0x03, 0x0000, 0x0001 }, - { 0x01, 0x0800, 0x1000 }, - { 0x07, 0x0000, 0x4000 }, - { 0x1e, 0x0000, 0x2000 }, - { 0x19, 0xffff, 0xfe6c }, - { 0x0a, 0x0000, 0x0040 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1)); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - rtl_disable_clock_request(tp); - - /* Reset tx FIFO pointer */ - RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST); - RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST); - - RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); -} - -static void rtl_hw_start_8168e_2(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168e_2[] = { - { 0x09, 0x0000, 0x0080 }, - { 0x19, 0x0000, 0x0224 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2)); - - if (tp->dev->mtu <= ETH_DATA_LEN) - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); - - RTL_W8(tp, MaxTxPacketSize, EarlySize); - - rtl_disable_clock_request(tp); - - RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); - - /* Adjust EEE LED frequency */ - RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); - RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); - RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168f(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC); - - RTL_W8(tp, MaxTxPacketSize, EarlySize); - - rtl_disable_clock_request(tp); - - RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); - RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); - RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); -} - -static void rtl_hw_start_8168f_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168f_1[] = { - { 0x06, 0x00c0, 0x0020 }, - { 0x08, 0x0001, 0x0002 }, - { 0x09, 0x0000, 0x0080 }, - { 0x19, 0x0000, 0x0224 } - }; - - rtl_hw_start_8168f(tp); - - rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); - - rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); - - /* Adjust EEE LED frequency */ - RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); -} - -static void rtl_hw_start_8411(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168f_1[] = { - { 0x06, 0x00c0, 0x0020 }, - { 0x0f, 0xffff, 0x5200 }, - { 0x1e, 0x0000, 0x4000 }, - { 0x19, 0x0000, 0x0224 } - }; - - rtl_hw_start_8168f(tp); - rtl_pcie_state_l2l3_enable(tp, false); - - rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); - - rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC); -} - -static void rtl_hw_start_8168g(struct rtl8169_private *tp) -{ - rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); - - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); - rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC); - - RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); - RTL_W8(tp, MaxTxPacketSize, EarlySize); - - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - - /* Adjust EEE LED frequency */ - RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); - - rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); - - rtl_pcie_state_l2l3_enable(tp, false); -} - -static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168g_1[] = { - { 0x00, 0x0000, 0x0008 }, - { 0x0c, 0x37d0, 0x0820 }, - { 0x1e, 0x0000, 0x0001 }, - { 0x19, 0x8000, 0x0000 } - }; - - rtl_hw_start_8168g(tp); - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8168g_1, ARRAY_SIZE(e_info_8168g_1)); - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168g_2[] = { - { 0x00, 0x0000, 0x0008 }, - { 0x0c, 0x3df0, 0x0200 }, - { 0x19, 0xffff, 0xfc00 }, - { 0x1e, 0xffff, 0x20eb } - }; - - rtl_hw_start_8168g(tp); - - /* disable aspm and clock request before access ephy */ - RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); - RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); - rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2)); -} - -static void rtl_hw_start_8411_2(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8411_2[] = { - { 0x00, 0x0000, 0x0008 }, - { 0x0c, 0x3df0, 0x0200 }, - { 0x0f, 0xffff, 0x5200 }, - { 0x19, 0x0020, 0x0000 }, - { 0x1e, 0x0000, 0x2000 } - }; - - rtl_hw_start_8168g(tp); - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2)); - - /* The following Realtek-provided magic fixes an issue with the RX unit - * getting confused after the PHY having been powered-down. - */ - r8168_mac_ocp_write(tp, 0xFC28, 0x0000); - r8168_mac_ocp_write(tp, 0xFC2A, 0x0000); - r8168_mac_ocp_write(tp, 0xFC2C, 0x0000); - r8168_mac_ocp_write(tp, 0xFC2E, 0x0000); - r8168_mac_ocp_write(tp, 0xFC30, 0x0000); - r8168_mac_ocp_write(tp, 0xFC32, 0x0000); - r8168_mac_ocp_write(tp, 0xFC34, 0x0000); - r8168_mac_ocp_write(tp, 0xFC36, 0x0000); - mdelay(3); - r8168_mac_ocp_write(tp, 0xFC26, 0x0000); - - r8168_mac_ocp_write(tp, 0xF800, 0xE008); - r8168_mac_ocp_write(tp, 0xF802, 0xE00A); - r8168_mac_ocp_write(tp, 0xF804, 0xE00C); - r8168_mac_ocp_write(tp, 0xF806, 0xE00E); - r8168_mac_ocp_write(tp, 0xF808, 0xE027); - r8168_mac_ocp_write(tp, 0xF80A, 0xE04F); - r8168_mac_ocp_write(tp, 0xF80C, 0xE05E); - r8168_mac_ocp_write(tp, 0xF80E, 0xE065); - r8168_mac_ocp_write(tp, 0xF810, 0xC602); - r8168_mac_ocp_write(tp, 0xF812, 0xBE00); - r8168_mac_ocp_write(tp, 0xF814, 0x0000); - r8168_mac_ocp_write(tp, 0xF816, 0xC502); - r8168_mac_ocp_write(tp, 0xF818, 0xBD00); - r8168_mac_ocp_write(tp, 0xF81A, 0x074C); - r8168_mac_ocp_write(tp, 0xF81C, 0xC302); - r8168_mac_ocp_write(tp, 0xF81E, 0xBB00); - r8168_mac_ocp_write(tp, 0xF820, 0x080A); - r8168_mac_ocp_write(tp, 0xF822, 0x6420); - r8168_mac_ocp_write(tp, 0xF824, 0x48C2); - r8168_mac_ocp_write(tp, 0xF826, 0x8C20); - r8168_mac_ocp_write(tp, 0xF828, 0xC516); - r8168_mac_ocp_write(tp, 0xF82A, 0x64A4); - r8168_mac_ocp_write(tp, 0xF82C, 0x49C0); - r8168_mac_ocp_write(tp, 0xF82E, 0xF009); - r8168_mac_ocp_write(tp, 0xF830, 0x74A2); - r8168_mac_ocp_write(tp, 0xF832, 0x8CA5); - r8168_mac_ocp_write(tp, 0xF834, 0x74A0); - r8168_mac_ocp_write(tp, 0xF836, 0xC50E); - r8168_mac_ocp_write(tp, 0xF838, 0x9CA2); - r8168_mac_ocp_write(tp, 0xF83A, 0x1C11); - r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0); - r8168_mac_ocp_write(tp, 0xF83E, 0xE006); - r8168_mac_ocp_write(tp, 0xF840, 0x74F8); - r8168_mac_ocp_write(tp, 0xF842, 0x48C4); - r8168_mac_ocp_write(tp, 0xF844, 0x8CF8); - r8168_mac_ocp_write(tp, 0xF846, 0xC404); - r8168_mac_ocp_write(tp, 0xF848, 0xBC00); - r8168_mac_ocp_write(tp, 0xF84A, 0xC403); - r8168_mac_ocp_write(tp, 0xF84C, 0xBC00); - r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2); - r8168_mac_ocp_write(tp, 0xF850, 0x0C0A); - r8168_mac_ocp_write(tp, 0xF852, 0xE434); - r8168_mac_ocp_write(tp, 0xF854, 0xD3C0); - r8168_mac_ocp_write(tp, 0xF856, 0x49D9); - r8168_mac_ocp_write(tp, 0xF858, 0xF01F); - r8168_mac_ocp_write(tp, 0xF85A, 0xC526); - r8168_mac_ocp_write(tp, 0xF85C, 0x64A5); - r8168_mac_ocp_write(tp, 0xF85E, 0x1400); - r8168_mac_ocp_write(tp, 0xF860, 0xF007); - r8168_mac_ocp_write(tp, 0xF862, 0x0C01); - r8168_mac_ocp_write(tp, 0xF864, 0x8CA5); - r8168_mac_ocp_write(tp, 0xF866, 0x1C15); - r8168_mac_ocp_write(tp, 0xF868, 0xC51B); - r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0); - r8168_mac_ocp_write(tp, 0xF86C, 0xE013); - r8168_mac_ocp_write(tp, 0xF86E, 0xC519); - r8168_mac_ocp_write(tp, 0xF870, 0x74A0); - r8168_mac_ocp_write(tp, 0xF872, 0x48C4); - r8168_mac_ocp_write(tp, 0xF874, 0x8CA0); - r8168_mac_ocp_write(tp, 0xF876, 0xC516); - r8168_mac_ocp_write(tp, 0xF878, 0x74A4); - r8168_mac_ocp_write(tp, 0xF87A, 0x48C8); - r8168_mac_ocp_write(tp, 0xF87C, 0x48CA); - r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4); - r8168_mac_ocp_write(tp, 0xF880, 0xC512); - r8168_mac_ocp_write(tp, 0xF882, 0x1B00); - r8168_mac_ocp_write(tp, 0xF884, 0x9BA0); - r8168_mac_ocp_write(tp, 0xF886, 0x1B1C); - r8168_mac_ocp_write(tp, 0xF888, 0x483F); - r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2); - r8168_mac_ocp_write(tp, 0xF88C, 0x1B04); - r8168_mac_ocp_write(tp, 0xF88E, 0xC508); - r8168_mac_ocp_write(tp, 0xF890, 0x9BA0); - r8168_mac_ocp_write(tp, 0xF892, 0xC505); - r8168_mac_ocp_write(tp, 0xF894, 0xBD00); - r8168_mac_ocp_write(tp, 0xF896, 0xC502); - r8168_mac_ocp_write(tp, 0xF898, 0xBD00); - r8168_mac_ocp_write(tp, 0xF89A, 0x0300); - r8168_mac_ocp_write(tp, 0xF89C, 0x051E); - r8168_mac_ocp_write(tp, 0xF89E, 0xE434); - r8168_mac_ocp_write(tp, 0xF8A0, 0xE018); - r8168_mac_ocp_write(tp, 0xF8A2, 0xE092); - r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20); - r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0); - r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F); - r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4); - r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3); - r8168_mac_ocp_write(tp, 0xF8AE, 0xF007); - r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0); - r8168_mac_ocp_write(tp, 0xF8B2, 0xF103); - r8168_mac_ocp_write(tp, 0xF8B4, 0xC607); - r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00); - r8168_mac_ocp_write(tp, 0xF8B8, 0xC606); - r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00); - r8168_mac_ocp_write(tp, 0xF8BC, 0xC602); - r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00); - r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C); - r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28); - r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C); - r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00); - r8168_mac_ocp_write(tp, 0xF8C8, 0xC707); - r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00); - r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2); - r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1); - r8168_mac_ocp_write(tp, 0xF8D0, 0xC502); - r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00); - r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA); - r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0); - r8168_mac_ocp_write(tp, 0xF8D8, 0xC502); - r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00); - r8168_mac_ocp_write(tp, 0xF8DC, 0x0132); - - r8168_mac_ocp_write(tp, 0xFC26, 0x8000); - - r8168_mac_ocp_write(tp, 0xFC2A, 0x0743); - r8168_mac_ocp_write(tp, 0xFC2C, 0x0801); - r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9); - r8168_mac_ocp_write(tp, 0xFC30, 0x02FD); - r8168_mac_ocp_write(tp, 0xFC32, 0x0C25); - r8168_mac_ocp_write(tp, 0xFC34, 0x00A9); - r8168_mac_ocp_write(tp, 0xFC36, 0x012D); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) -{ - int rg_saw_cnt; - u32 data; - static const struct ephy_info e_info_8168h_1[] = { - { 0x1e, 0x0800, 0x0001 }, - { 0x1d, 0x0000, 0x0800 }, - { 0x05, 0xffff, 0x2089 }, - { 0x06, 0xffff, 0x5881 }, - { 0x04, 0xffff, 0x154a }, - { 0x01, 0xffff, 0x068b } - }; - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8168h_1, ARRAY_SIZE(e_info_8168h_1)); - - rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); - - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); - - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_1111, 0x0010, 0x00, ERIAR_EXGMAC); - - rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f00, 0x00, ERIAR_EXGMAC); - - rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); - - RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); - RTL_W8(tp, MaxTxPacketSize, EarlySize); - - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - - /* Adjust EEE LED frequency */ - RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); - RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); - - rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); - - rtl_pcie_state_l2l3_enable(tp, false); - - rtl_writephy(tp, 0x1f, 0x0c42); - rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff); - rtl_writephy(tp, 0x1f, 0x0000); - if (rg_saw_cnt > 0) { - u16 sw_cnt_1ms_ini; - - sw_cnt_1ms_ini = 16000000/rg_saw_cnt; - sw_cnt_1ms_ini &= 0x0fff; - data = r8168_mac_ocp_read(tp, 0xd412); - data &= ~0x0fff; - data |= sw_cnt_1ms_ini; - r8168_mac_ocp_write(tp, 0xd412, data); - } - - data = r8168_mac_ocp_read(tp, 0xe056); - data &= ~0xf0; - data |= 0x70; - r8168_mac_ocp_write(tp, 0xe056, data); - - data = r8168_mac_ocp_read(tp, 0xe052); - data &= ~0x6000; - data |= 0x8008; - r8168_mac_ocp_write(tp, 0xe052, data); - - data = r8168_mac_ocp_read(tp, 0xe0d6); - data &= ~0x01ff; - data |= 0x017f; - r8168_mac_ocp_write(tp, 0xe0d6, data); - - data = r8168_mac_ocp_read(tp, 0xd420); - data &= ~0x0fff; - data |= 0x047f; - r8168_mac_ocp_write(tp, 0xd420, data); - - r8168_mac_ocp_write(tp, 0xe63e, 0x0001); - r8168_mac_ocp_write(tp, 0xe63e, 0x0000); - r8168_mac_ocp_write(tp, 0xc094, 0x0000); - r8168_mac_ocp_write(tp, 0xc09e, 0x0000); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168ep(struct rtl8169_private *tp) -{ - rtl8168ep_stop_cmac(tp); - - rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); - - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); - - rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f80, 0x00, ERIAR_EXGMAC); - - rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); - - RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); - RTL_W8(tp, MaxTxPacketSize, EarlySize); - - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - - /* Adjust EEE LED frequency */ - RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); - - rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); - - rtl_pcie_state_l2l3_enable(tp, false); -} - -static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168ep_1[] = { - { 0x00, 0xffff, 0x10ab }, - { 0x06, 0xffff, 0xf030 }, - { 0x08, 0xffff, 0x2006 }, - { 0x0d, 0xffff, 0x1666 }, - { 0x0c, 0x3ff0, 0x0000 } - }; - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8168ep_1, ARRAY_SIZE(e_info_8168ep_1)); - - rtl_hw_start_8168ep(tp); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8168ep_2[] = { - { 0x00, 0xffff, 0x10a3 }, - { 0x19, 0xffff, 0xfc00 }, - { 0x1e, 0xffff, 0x20ea } - }; - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8168ep_2, ARRAY_SIZE(e_info_8168ep_2)); - - rtl_hw_start_8168ep(tp); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); - RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) -{ - u32 data; - static const struct ephy_info e_info_8168ep_3[] = { - { 0x00, 0xffff, 0x10a3 }, - { 0x19, 0xffff, 0x7c00 }, - { 0x1e, 0xffff, 0x20eb }, - { 0x0d, 0xffff, 0x1666 } - }; - - /* disable aspm and clock request before access ephy */ - rtl_hw_aspm_clkreq_enable(tp, false); - rtl_ephy_init(tp, e_info_8168ep_3, ARRAY_SIZE(e_info_8168ep_3)); - - rtl_hw_start_8168ep(tp); - - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); - RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); - - data = r8168_mac_ocp_read(tp, 0xd3e2); - data &= 0xf000; - data |= 0x0271; - r8168_mac_ocp_write(tp, 0xd3e2, data); - - data = r8168_mac_ocp_read(tp, 0xd3e4); - data &= 0xff00; - r8168_mac_ocp_write(tp, 0xd3e4, data); - - data = r8168_mac_ocp_read(tp, 0xe860); - data |= 0x0080; - r8168_mac_ocp_write(tp, 0xe860, data); - - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8168(struct rtl8169_private *tp) -{ - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - tp->cp_cmd &= ~INTT_MASK; - tp->cp_cmd |= PktCntrDisable | INTT_1; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - - RTL_W16(tp, IntrMitigate, 0x5100); - - /* Work around for RxFIFO overflow. */ - if (tp->mac_version == RTL_GIGA_MAC_VER_11) { - tp->event_slow |= RxFIFOOver | PCSTimeout; - tp->event_slow &= ~RxOverflow; - } - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_11: - rtl_hw_start_8168bb(tp); - break; - - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_17: - rtl_hw_start_8168bef(tp); - break; - - case RTL_GIGA_MAC_VER_18: - rtl_hw_start_8168cp_1(tp); - break; - - case RTL_GIGA_MAC_VER_19: - rtl_hw_start_8168c_1(tp); - break; - - case RTL_GIGA_MAC_VER_20: - rtl_hw_start_8168c_2(tp); - break; - - case RTL_GIGA_MAC_VER_21: - rtl_hw_start_8168c_3(tp); - break; - - case RTL_GIGA_MAC_VER_22: - rtl_hw_start_8168c_4(tp); - break; - - case RTL_GIGA_MAC_VER_23: - rtl_hw_start_8168cp_2(tp); - break; - - case RTL_GIGA_MAC_VER_24: - rtl_hw_start_8168cp_3(tp); - break; - - case RTL_GIGA_MAC_VER_25: - case RTL_GIGA_MAC_VER_26: - case RTL_GIGA_MAC_VER_27: - rtl_hw_start_8168d(tp); - break; - - case RTL_GIGA_MAC_VER_28: - rtl_hw_start_8168d_4(tp); - break; - - case RTL_GIGA_MAC_VER_31: - rtl_hw_start_8168dp(tp); - break; - - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - rtl_hw_start_8168e_1(tp); - break; - case RTL_GIGA_MAC_VER_34: - rtl_hw_start_8168e_2(tp); - break; - - case RTL_GIGA_MAC_VER_35: - case RTL_GIGA_MAC_VER_36: - rtl_hw_start_8168f_1(tp); - break; - - case RTL_GIGA_MAC_VER_38: - rtl_hw_start_8411(tp); - break; - - case RTL_GIGA_MAC_VER_40: - case RTL_GIGA_MAC_VER_41: - rtl_hw_start_8168g_1(tp); - break; - case RTL_GIGA_MAC_VER_42: - rtl_hw_start_8168g_2(tp); - break; - - case RTL_GIGA_MAC_VER_44: - rtl_hw_start_8411_2(tp); - break; - - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_46: - rtl_hw_start_8168h_1(tp); - break; - - case RTL_GIGA_MAC_VER_49: - rtl_hw_start_8168ep_1(tp); - break; - - case RTL_GIGA_MAC_VER_50: - rtl_hw_start_8168ep_2(tp); - break; - - case RTL_GIGA_MAC_VER_51: - rtl_hw_start_8168ep_3(tp); - break; - - default: - netif_err(tp, drv, tp->dev, - "unknown chipset (mac_version = %d)\n", - tp->mac_version); - break; - } -} - -static void rtl_hw_start_8102e_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8102e_1[] = { - { 0x01, 0, 0x6e65 }, - { 0x02, 0, 0x091f }, - { 0x03, 0, 0xc2f9 }, - { 0x06, 0, 0xafb5 }, - { 0x07, 0, 0x0e00 }, - { 0x19, 0, 0xec80 }, - { 0x01, 0, 0x2e65 }, - { 0x01, 0, 0x6e65 } - }; - u8 cfg1; - - rtl_set_def_aspm_entry_latency(tp); - - RTL_W8(tp, DBG_REG, FIX_NAK_1); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - RTL_W8(tp, Config1, - LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); - - cfg1 = RTL_R8(tp, Config1); - if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) - RTL_W8(tp, Config1, cfg1 & ~LEDS0); - - rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); -} - -static void rtl_hw_start_8102e_2(struct rtl8169_private *tp) -{ - rtl_set_def_aspm_entry_latency(tp); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable); - RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); -} - -static void rtl_hw_start_8102e_3(struct rtl8169_private *tp) -{ - rtl_hw_start_8102e_2(tp); - - rtl_ephy_write(tp, 0x03, 0xc2f9); -} - -static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8105e_1[] = { - { 0x07, 0, 0x4000 }, - { 0x19, 0, 0x0200 }, - { 0x19, 0, 0x0020 }, - { 0x1e, 0, 0x2000 }, - { 0x03, 0, 0x0001 }, - { 0x19, 0, 0x0100 }, - { 0x19, 0, 0x0004 }, - { 0x0a, 0, 0x0020 } - }; - - /* Force LAN exit from ASPM if Rx/Tx are not idle */ - RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); - - /* Disable Early Tally Counter */ - RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000); - - RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); - - rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); - - rtl_pcie_state_l2l3_enable(tp, false); -} - -static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) -{ - rtl_hw_start_8105e_1(tp); - rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000); -} - -static void rtl_hw_start_8402(struct rtl8169_private *tp) -{ - static const struct ephy_info e_info_8402[] = { - { 0x19, 0xffff, 0xff64 }, - { 0x1e, 0, 0x4000 } - }; - - rtl_set_def_aspm_entry_latency(tp); - - /* Force LAN exit from ASPM if Rx/Tx are not idle */ - RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); - - RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); - - rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402)); - - rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); - - rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); - rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); - - rtl_pcie_state_l2l3_enable(tp, false); -} - -static void rtl_hw_start_8106(struct rtl8169_private *tp) -{ - rtl_hw_aspm_clkreq_enable(tp, false); - - /* Force LAN exit from ASPM if Rx/Tx are not idle */ - RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); - - RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); - RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); - RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); - - rtl_pcie_state_l2l3_enable(tp, false); - rtl_hw_aspm_clkreq_enable(tp, true); -} - -static void rtl_hw_start_8101(struct rtl8169_private *tp) -{ - if (tp->mac_version >= RTL_GIGA_MAC_VER_30) - tp->event_slow &= ~RxFIFOOver; - - if (tp->mac_version == RTL_GIGA_MAC_VER_13 || - tp->mac_version == RTL_GIGA_MAC_VER_16) - pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL, - PCI_EXP_DEVCTL_NOSNOOP_EN); - - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - tp->cp_cmd &= CPCMD_QUIRK_MASK; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_07: - rtl_hw_start_8102e_1(tp); - break; - - case RTL_GIGA_MAC_VER_08: - rtl_hw_start_8102e_3(tp); - break; - - case RTL_GIGA_MAC_VER_09: - rtl_hw_start_8102e_2(tp); - break; - - case RTL_GIGA_MAC_VER_29: - rtl_hw_start_8105e_1(tp); - break; - case RTL_GIGA_MAC_VER_30: - rtl_hw_start_8105e_2(tp); - break; - - case RTL_GIGA_MAC_VER_37: - rtl_hw_start_8402(tp); - break; - - case RTL_GIGA_MAC_VER_39: - rtl_hw_start_8106(tp); - break; - case RTL_GIGA_MAC_VER_43: - rtl_hw_start_8168g_2(tp); - break; - case RTL_GIGA_MAC_VER_47: - case RTL_GIGA_MAC_VER_48: - rtl_hw_start_8168h_1(tp); - break; - } - - RTL_W16(tp, IntrMitigate, 0x0000); -} - -static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - if (new_mtu > ETH_DATA_LEN) - rtl_hw_jumbo_enable(tp); - else - rtl_hw_jumbo_disable(tp); - - dev->mtu = new_mtu; - netdev_update_features(dev); - - return 0; -} - -static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) -{ - desc->addr = cpu_to_le64(0x0badbadbadbadbadull); - desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); -} - -static void rtl8169_free_rx_databuff(struct rtl8169_private *tp, - void **data_buff, struct RxDesc *desc) -{ - dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), - R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); - - kfree(*data_buff); - *data_buff = NULL; - rtl8169_make_unusable_by_asic(desc); -} - -static inline void rtl8169_mark_to_asic(struct RxDesc *desc) -{ - u32 eor = le32_to_cpu(desc->opts1) & RingEnd; - - /* Force memory writes to complete before releasing descriptor */ - dma_wmb(); - - desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE); -} - -static inline void *rtl8169_align(void *data) -{ - return (void *)ALIGN((long)data, 16); -} - -static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp, - struct RxDesc *desc) -{ - void *data; - dma_addr_t mapping; - struct device *d = tp_to_dev(tp); - int node = dev_to_node(d); - - data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node); - if (!data) - return NULL; - - if (rtl8169_align(data) != data) { - kfree(data); - data = kmalloc_node(R8169_RX_BUF_SIZE + 15, GFP_KERNEL, node); - if (!data) - return NULL; - } - - mapping = dma_map_single(d, rtl8169_align(data), R8169_RX_BUF_SIZE, - DMA_FROM_DEVICE); - if (unlikely(dma_mapping_error(d, mapping))) { - if (net_ratelimit()) - netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n"); - goto err_out; - } - - desc->addr = cpu_to_le64(mapping); - rtl8169_mark_to_asic(desc); - return data; - -err_out: - kfree(data); - return NULL; -} - -static void rtl8169_rx_clear(struct rtl8169_private *tp) -{ - unsigned int i; - - for (i = 0; i < NUM_RX_DESC; i++) { - if (tp->Rx_databuff[i]) { - rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i, - tp->RxDescArray + i); - } - } -} - -static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) -{ - desc->opts1 |= cpu_to_le32(RingEnd); -} - -static int rtl8169_rx_fill(struct rtl8169_private *tp) -{ - unsigned int i; - - for (i = 0; i < NUM_RX_DESC; i++) { - void *data; - - data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i); - if (!data) { - rtl8169_make_unusable_by_asic(tp->RxDescArray + i); - goto err_out; - } - tp->Rx_databuff[i] = data; - } - - rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); - return 0; - -err_out: - rtl8169_rx_clear(tp); - return -ENOMEM; -} - -static int rtl8169_init_ring(struct rtl8169_private *tp) -{ - rtl8169_init_ring_indexes(tp); - - memset(tp->tx_skb, 0, sizeof(tp->tx_skb)); - memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff)); - - return rtl8169_rx_fill(tp); -} - -static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb, - struct TxDesc *desc) -{ - unsigned int len = tx_skb->len; - - dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE); - - desc->opts1 = 0x00; - desc->opts2 = 0x00; - desc->addr = 0x00; - tx_skb->len = 0; -} - -static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start, - unsigned int n) -{ - unsigned int i; - - for (i = 0; i < n; i++) { - unsigned int entry = (start + i) % NUM_TX_DESC; - struct ring_info *tx_skb = tp->tx_skb + entry; - unsigned int len = tx_skb->len; - - if (len) { - struct sk_buff *skb = tx_skb->skb; - - rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, - tp->TxDescArray + entry); - if (skb) { - dev_consume_skb_any(skb); - tx_skb->skb = NULL; - } - } - } -} - -static void rtl8169_tx_clear(struct rtl8169_private *tp) -{ - rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC); - tp->cur_tx = tp->dirty_tx = 0; -} - -static void rtl_reset_work(struct rtl8169_private *tp) -{ - struct net_device *dev = tp->dev; - int i; - - napi_disable(&tp->napi); - netif_stop_queue(dev); - synchronize_sched(); - - rtl8169_hw_reset(tp); - - for (i = 0; i < NUM_RX_DESC; i++) - rtl8169_mark_to_asic(tp->RxDescArray + i); - - rtl8169_tx_clear(tp); - rtl8169_init_ring_indexes(tp); - - napi_enable(&tp->napi); - rtl_hw_start(tp); - netif_wake_queue(dev); -} - -static void rtl8169_tx_timeout(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); -} - -static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, - u32 *opts) -{ - struct skb_shared_info *info = skb_shinfo(skb); - unsigned int cur_frag, entry; - struct TxDesc *uninitialized_var(txd); - struct device *d = tp_to_dev(tp); - - entry = tp->cur_tx; - for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { - const skb_frag_t *frag = info->frags + cur_frag; - dma_addr_t mapping; - u32 status, len; - void *addr; - - entry = (entry + 1) % NUM_TX_DESC; - - txd = tp->TxDescArray + entry; - len = skb_frag_size(frag); - addr = skb_frag_address(frag); - mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(d, mapping))) { - if (net_ratelimit()) - netif_err(tp, drv, tp->dev, - "Failed to map TX fragments DMA!\n"); - goto err_out; - } - - /* Anti gcc 2.95.3 bugware (sic) */ - status = opts[0] | len | - (RingEnd * !((entry + 1) % NUM_TX_DESC)); - - txd->opts1 = cpu_to_le32(status); - txd->opts2 = cpu_to_le32(opts[1]); - txd->addr = cpu_to_le64(mapping); - - tp->tx_skb[entry].len = len; - } - - if (cur_frag) { - tp->tx_skb[entry].skb = skb; - txd->opts1 |= cpu_to_le32(LastFrag); - } - - return cur_frag; - -err_out: - rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag); - return -EIO; -} - -static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb) -{ - return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34; -} - -static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, - struct net_device *dev); -/* r8169_csum_workaround() - * The hw limites the value the transport offset. When the offset is out of the - * range, calculate the checksum by sw. - */ -static void r8169_csum_workaround(struct rtl8169_private *tp, - struct sk_buff *skb) -{ - if (skb_shinfo(skb)->gso_size) { - netdev_features_t features = tp->dev->features; - struct sk_buff *segs, *nskb; - - features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); - segs = skb_gso_segment(skb, features); - if (IS_ERR(segs) || !segs) - goto drop; - - do { - nskb = segs; - segs = segs->next; - nskb->next = NULL; - rtl8169_start_xmit(nskb, tp->dev); - } while (segs); - - dev_consume_skb_any(skb); - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (skb_checksum_help(skb) < 0) - goto drop; - - rtl8169_start_xmit(skb, tp->dev); - } else { - struct net_device_stats *stats; - -drop: - stats = &tp->dev->stats; - stats->tx_dropped++; - dev_kfree_skb_any(skb); - } -} - -/* msdn_giant_send_check() - * According to the document of microsoft, the TCP Pseudo Header excludes the - * packet length for IPv6 TCP large packets. - */ -static int msdn_giant_send_check(struct sk_buff *skb) -{ - const struct ipv6hdr *ipv6h; - struct tcphdr *th; - int ret; - - ret = skb_cow_head(skb, 0); - if (ret) - return ret; - - ipv6h = ipv6_hdr(skb); - th = tcp_hdr(skb); - - th->check = 0; - th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); - - return ret; -} - -static bool rtl8169_tso_csum_v1(struct rtl8169_private *tp, - struct sk_buff *skb, u32 *opts) -{ - u32 mss = skb_shinfo(skb)->gso_size; - - if (mss) { - opts[0] |= TD_LSO; - opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT; - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - const struct iphdr *ip = ip_hdr(skb); - - if (ip->protocol == IPPROTO_TCP) - opts[0] |= TD0_IP_CS | TD0_TCP_CS; - else if (ip->protocol == IPPROTO_UDP) - opts[0] |= TD0_IP_CS | TD0_UDP_CS; - else - WARN_ON_ONCE(1); - } - - return true; -} - -static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, - struct sk_buff *skb, u32 *opts) -{ - u32 transport_offset = (u32)skb_transport_offset(skb); - u32 mss = skb_shinfo(skb)->gso_size; - - if (mss) { - if (transport_offset > GTTCPHO_MAX) { - netif_warn(tp, tx_err, tp->dev, - "Invalid transport offset 0x%x for TSO\n", - transport_offset); - return false; - } - - switch (vlan_get_protocol(skb)) { - case htons(ETH_P_IP): - opts[0] |= TD1_GTSENV4; - break; - - case htons(ETH_P_IPV6): - if (msdn_giant_send_check(skb)) - return false; - - opts[0] |= TD1_GTSENV6; - break; - - default: - WARN_ON_ONCE(1); - break; - } - - opts[0] |= transport_offset << GTTCPHO_SHIFT; - opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT; - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - u8 ip_protocol; - - if (unlikely(rtl_test_hw_pad_bug(tp, skb))) - return !(skb_checksum_help(skb) || eth_skb_pad(skb)); - - if (transport_offset > TCPHO_MAX) { - netif_warn(tp, tx_err, tp->dev, - "Invalid transport offset 0x%x\n", - transport_offset); - return false; - } - - switch (vlan_get_protocol(skb)) { - case htons(ETH_P_IP): - opts[1] |= TD1_IPv4_CS; - ip_protocol = ip_hdr(skb)->protocol; - break; - - case htons(ETH_P_IPV6): - opts[1] |= TD1_IPv6_CS; - ip_protocol = ipv6_hdr(skb)->nexthdr; - break; - - default: - ip_protocol = IPPROTO_RAW; - break; - } - - if (ip_protocol == IPPROTO_TCP) - opts[1] |= TD1_TCP_CS; - else if (ip_protocol == IPPROTO_UDP) - opts[1] |= TD1_UDP_CS; - else - WARN_ON_ONCE(1); - - opts[1] |= transport_offset << TCPHO_SHIFT; - } else { - if (unlikely(rtl_test_hw_pad_bug(tp, skb))) - /* eth_skb_pad would free the skb on error */ - return !__skb_put_padto(skb, ETH_ZLEN, false); - } - - return true; -} - -static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - unsigned int entry = tp->cur_tx % NUM_TX_DESC; - struct TxDesc *txd = tp->TxDescArray + entry; - struct device *d = tp_to_dev(tp); - dma_addr_t mapping; - u32 status, len; - u32 opts[2]; - int frags; - - if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) { - netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n"); - goto err_stop_0; - } - - if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) - goto err_stop_0; - - opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb)); - opts[0] = DescOwn; - - if (!tp->tso_csum(tp, skb, opts)) { - r8169_csum_workaround(tp, skb); - return NETDEV_TX_OK; - } - - len = skb_headlen(skb); - mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(d, mapping))) { - if (net_ratelimit()) - netif_err(tp, drv, dev, "Failed to map TX DMA!\n"); - goto err_dma_0; - } - - tp->tx_skb[entry].len = len; - txd->addr = cpu_to_le64(mapping); - - frags = rtl8169_xmit_frags(tp, skb, opts); - if (frags < 0) - goto err_dma_1; - else if (frags) - opts[0] |= FirstFrag; - else { - opts[0] |= FirstFrag | LastFrag; - tp->tx_skb[entry].skb = skb; - } - - txd->opts2 = cpu_to_le32(opts[1]); - - skb_tx_timestamp(skb); - - /* Force memory writes to complete before releasing descriptor */ - dma_wmb(); - - /* Anti gcc 2.95.3 bugware (sic) */ - status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); - txd->opts1 = cpu_to_le32(status); - - /* Force all memory writes to complete before notifying device */ - wmb(); - - tp->cur_tx += frags + 1; - - RTL_W8(tp, TxPoll, NPQ); - - mmiowb(); - - if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { - /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must - * not miss a ring update when it notices a stopped queue. - */ - smp_wmb(); - netif_stop_queue(dev); - /* Sync with rtl_tx: - * - publish queue status and cur_tx ring index (write barrier) - * - refresh dirty_tx ring index (read barrier). - * May the current thread have a pessimistic view of the ring - * status and forget to wake up queue, a racing rtl_tx thread - * can't. - */ - smp_mb(); - if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) - netif_wake_queue(dev); - } - - return NETDEV_TX_OK; - -err_dma_1: - rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); -err_dma_0: - dev_kfree_skb_any(skb); - dev->stats.tx_dropped++; - return NETDEV_TX_OK; - -err_stop_0: - netif_stop_queue(dev); - dev->stats.tx_dropped++; - return NETDEV_TX_BUSY; -} - -static void rtl8169_pcierr_interrupt(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - u16 pci_status, pci_cmd; - - pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); - pci_read_config_word(pdev, PCI_STATUS, &pci_status); - - netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n", - pci_cmd, pci_status); - - /* - * The recovery sequence below admits a very elaborated explanation: - * - it seems to work; - * - I did not see what else could be done; - * - it makes iop3xx happy. - * - * Feel free to adjust to your needs. - */ - if (pdev->broken_parity_status) - pci_cmd &= ~PCI_COMMAND_PARITY; - else - pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; - - pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); - - pci_write_config_word(pdev, PCI_STATUS, - pci_status & (PCI_STATUS_DETECTED_PARITY | - PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | - PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); - - /* The infamous DAC f*ckup only happens at boot time */ - if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) { - netif_info(tp, intr, dev, "disabling PCI DAC\n"); - tp->cp_cmd &= ~PCIDAC; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - dev->features &= ~NETIF_F_HIGHDMA; - } - - rtl8169_hw_reset(tp); - - rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); -} - -static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp) -{ - unsigned int dirty_tx, tx_left; - - dirty_tx = tp->dirty_tx; - smp_rmb(); - tx_left = tp->cur_tx - dirty_tx; - - while (tx_left > 0) { - unsigned int entry = dirty_tx % NUM_TX_DESC; - struct ring_info *tx_skb = tp->tx_skb + entry; - u32 status; - - status = le32_to_cpu(tp->TxDescArray[entry].opts1); - if (status & DescOwn) - break; - - /* This barrier is needed to keep us from reading - * any other fields out of the Tx descriptor until - * we know the status of DescOwn - */ - dma_rmb(); - - rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, - tp->TxDescArray + entry); - if (status & LastFrag) { - u64_stats_update_begin(&tp->tx_stats.syncp); - tp->tx_stats.packets++; - tp->tx_stats.bytes += tx_skb->skb->len; - u64_stats_update_end(&tp->tx_stats.syncp); - dev_consume_skb_any(tx_skb->skb); - tx_skb->skb = NULL; - } - dirty_tx++; - tx_left--; - } - - if (tp->dirty_tx != dirty_tx) { - tp->dirty_tx = dirty_tx; - /* Sync with rtl8169_start_xmit: - * - publish dirty_tx ring index (write barrier) - * - refresh cur_tx ring index and queue status (read barrier) - * May the current thread miss the stopped queue condition, - * a racing xmit thread can only have a right view of the - * ring status. - */ - smp_mb(); - if (netif_queue_stopped(dev) && - TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { - netif_wake_queue(dev); - } - /* - * 8168 hack: TxPoll requests are lost when the Tx packets are - * too close. Let's kick an extra TxPoll request when a burst - * of start_xmit activity is detected (if it is not detected, - * it is slow enough). -- FR - */ - if (tp->cur_tx != dirty_tx) - RTL_W8(tp, TxPoll, NPQ); - } -} - -static inline int rtl8169_fragmented_frame(u32 status) -{ - return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); -} - -static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1) -{ - u32 status = opts1 & RxProtoMask; - - if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || - ((status == RxProtoUDP) && !(opts1 & UDPFail))) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb_checksum_none_assert(skb); -} - -static struct sk_buff *rtl8169_try_rx_copy(void *data, - struct rtl8169_private *tp, - int pkt_size, - dma_addr_t addr) -{ - struct sk_buff *skb; - struct device *d = tp_to_dev(tp); - - data = rtl8169_align(data); - dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE); - prefetch(data); - skb = napi_alloc_skb(&tp->napi, pkt_size); - if (skb) - skb_copy_to_linear_data(skb, data, pkt_size); - dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE); - - return skb; -} - -static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget) -{ - unsigned int cur_rx, rx_left; - unsigned int count; - - cur_rx = tp->cur_rx; - - for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) { - unsigned int entry = cur_rx % NUM_RX_DESC; - struct RxDesc *desc = tp->RxDescArray + entry; - u32 status; - - status = le32_to_cpu(desc->opts1); - if (status & DescOwn) - break; - - /* This barrier is needed to keep us from reading - * any other fields out of the Rx descriptor until - * we know the status of DescOwn - */ - dma_rmb(); - - if (unlikely(status & RxRES)) { - netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n", - status); - dev->stats.rx_errors++; - if (status & (RxRWT | RxRUNT)) - dev->stats.rx_length_errors++; - if (status & RxCRC) - dev->stats.rx_crc_errors++; - /* RxFOVF is a reserved bit on later chip versions */ - if (tp->mac_version == RTL_GIGA_MAC_VER_01 && - status & RxFOVF) { - rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); - dev->stats.rx_fifo_errors++; - } else if (status & (RxRUNT | RxCRC) && - !(status & RxRWT) && - dev->features & NETIF_F_RXALL) { - goto process_pkt; - } - } else { - struct sk_buff *skb; - dma_addr_t addr; - int pkt_size; - -process_pkt: - addr = le64_to_cpu(desc->addr); - if (likely(!(dev->features & NETIF_F_RXFCS))) - pkt_size = (status & 0x00003fff) - 4; - else - pkt_size = status & 0x00003fff; - - /* - * The driver does not support incoming fragmented - * frames. They are seen as a symptom of over-mtu - * sized frames. - */ - if (unlikely(rtl8169_fragmented_frame(status))) { - dev->stats.rx_dropped++; - dev->stats.rx_length_errors++; - goto release_descriptor; - } - - skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry], - tp, pkt_size, addr); - if (!skb) { - dev->stats.rx_dropped++; - goto release_descriptor; - } - - rtl8169_rx_csum(skb, status); - skb_put(skb, pkt_size); - skb->protocol = eth_type_trans(skb, dev); - - rtl8169_rx_vlan_tag(desc, skb); - - if (skb->pkt_type == PACKET_MULTICAST) - dev->stats.multicast++; - - napi_gro_receive(&tp->napi, skb); - - u64_stats_update_begin(&tp->rx_stats.syncp); - tp->rx_stats.packets++; - tp->rx_stats.bytes += pkt_size; - u64_stats_update_end(&tp->rx_stats.syncp); - } -release_descriptor: - desc->opts2 = 0; - rtl8169_mark_to_asic(desc); - } - - count = cur_rx - tp->cur_rx; - tp->cur_rx = cur_rx; - - return count; -} - -static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) -{ - struct rtl8169_private *tp = dev_instance; - u16 status = rtl_get_events(tp); - - if (status == 0xffff || !(status & (RTL_EVENT_NAPI | tp->event_slow))) - return IRQ_NONE; - - rtl_irq_disable(tp); - napi_schedule(&tp->napi); - - return IRQ_HANDLED; -} - -/* - * Workqueue context. - */ -static void rtl_slow_event_work(struct rtl8169_private *tp) -{ - struct net_device *dev = tp->dev; - u16 status; - - status = rtl_get_events(tp) & tp->event_slow; - rtl_ack_events(tp, status); - - if (unlikely(status & RxFIFOOver)) { - switch (tp->mac_version) { - /* Work around for rx fifo overflow */ - case RTL_GIGA_MAC_VER_11: - netif_stop_queue(dev); - /* XXX - Hack alert. See rtl_task(). */ - set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); - default: - break; - } - } - - if (unlikely(status & SYSErr)) - rtl8169_pcierr_interrupt(dev); - - if (status & LinkChg) - phy_mac_interrupt(dev->phydev); - - rtl_irq_enable_all(tp); -} - -static void rtl_task(struct work_struct *work) -{ - static const struct { - int bitnr; - void (*action)(struct rtl8169_private *); - } rtl_work[] = { - /* XXX - keep rtl_slow_event_work() as first element. */ - { RTL_FLAG_TASK_SLOW_PENDING, rtl_slow_event_work }, - { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work }, - }; - struct rtl8169_private *tp = - container_of(work, struct rtl8169_private, wk.work); - struct net_device *dev = tp->dev; - int i; - - rtl_lock_work(tp); - - if (!netif_running(dev) || - !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) - goto out_unlock; - - for (i = 0; i < ARRAY_SIZE(rtl_work); i++) { - bool pending; - - pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags); - if (pending) - rtl_work[i].action(tp); - } - -out_unlock: - rtl_unlock_work(tp); -} - -static int rtl8169_poll(struct napi_struct *napi, int budget) -{ - struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); - struct net_device *dev = tp->dev; - u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow; - int work_done; - u16 status; - - status = rtl_get_events(tp); - rtl_ack_events(tp, status & ~tp->event_slow); - - work_done = rtl_rx(dev, tp, (u32) budget); - - rtl_tx(dev, tp); - - if (status & tp->event_slow) { - enable_mask &= ~tp->event_slow; - - rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING); - } - - if (work_done < budget) { - napi_complete_done(napi, work_done); - - rtl_irq_enable(tp, enable_mask); - mmiowb(); - } - - return work_done; -} - -static void rtl8169_rx_missed(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - if (tp->mac_version > RTL_GIGA_MAC_VER_06) - return; - - dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff; - RTL_W32(tp, RxMissed, 0); -} - -static void r8169_phylink_handler(struct net_device *ndev) -{ - struct rtl8169_private *tp = netdev_priv(ndev); - - if (netif_carrier_ok(ndev)) { - rtl_link_chg_patch(tp); - pm_request_resume(&tp->pci_dev->dev); - } else { - pm_runtime_idle(&tp->pci_dev->dev); - } - - if (net_ratelimit()) - phy_print_status(ndev->phydev); -} - -static int r8169_phy_connect(struct rtl8169_private *tp) -{ - struct phy_device *phydev = mdiobus_get_phy(tp->mii_bus, 0); - phy_interface_t phy_mode; - int ret; - - phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII : - PHY_INTERFACE_MODE_MII; - - ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler, - phy_mode); - if (ret) - return ret; - - if (!tp->supports_gmii) - phy_set_max_speed(phydev, SPEED_100); - - /* Ensure to advertise everything, incl. pause */ - phydev->advertising = phydev->supported; - - phy_attached_info(phydev); - - return 0; -} - -static void rtl8169_down(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - phy_stop(dev->phydev); - - napi_disable(&tp->napi); - netif_stop_queue(dev); - - rtl8169_hw_reset(tp); - /* - * At this point device interrupts can not be enabled in any function, - * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task) - * and napi is disabled (rtl8169_poll). - */ - rtl8169_rx_missed(dev); - - /* Give a racing hard_start_xmit a few cycles to complete. */ - synchronize_sched(); - - rtl8169_tx_clear(tp); - - rtl8169_rx_clear(tp); - - rtl_pll_power_down(tp); -} - -static int rtl8169_close(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - - pm_runtime_get_sync(&pdev->dev); - - /* Update counters before going down */ - rtl8169_update_counters(tp); - - rtl_lock_work(tp); - /* Clear all task flags */ - bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); - - rtl8169_down(dev); - rtl_unlock_work(tp); - - cancel_work_sync(&tp->wk.work); - - phy_disconnect(dev->phydev); - - free_irq(pci_irq_vector(pdev, 0), tp); - - dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, - tp->RxPhyAddr); - dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, - tp->TxPhyAddr); - tp->TxDescArray = NULL; - tp->RxDescArray = NULL; - - pm_runtime_put_sync(&pdev->dev); - - return 0; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void rtl8169_netpoll(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp); -} -#endif - -static int rtl_open(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - int retval = -ENOMEM; - - pm_runtime_get_sync(&pdev->dev); - - /* - * Rx and Tx descriptors needs 256 bytes alignment. - * dma_alloc_coherent provides more. - */ - tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES, - &tp->TxPhyAddr, GFP_KERNEL); - if (!tp->TxDescArray) - goto err_pm_runtime_put; - - tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES, - &tp->RxPhyAddr, GFP_KERNEL); - if (!tp->RxDescArray) - goto err_free_tx_0; - - retval = rtl8169_init_ring(tp); - if (retval < 0) - goto err_free_rx_1; - - INIT_WORK(&tp->wk.work, rtl_task); - - smp_mb(); - - rtl_request_firmware(tp); - - retval = request_irq(pci_irq_vector(pdev, 0), rtl8169_interrupt, - IRQF_SHARED, dev->name, tp); - if (retval < 0) - goto err_release_fw_2; - - retval = r8169_phy_connect(tp); - if (retval) - goto err_free_irq; - - rtl_lock_work(tp); - - set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); - - napi_enable(&tp->napi); - - rtl8169_init_phy(dev, tp); - - rtl_pll_power_up(tp); - - rtl_hw_start(tp); - - if (!rtl8169_init_counter_offsets(tp)) - netif_warn(tp, hw, dev, "counter reset/update failed\n"); - - phy_start(dev->phydev); - netif_start_queue(dev); - - rtl_unlock_work(tp); - - pm_runtime_put_sync(&pdev->dev); -out: - return retval; - -err_free_irq: - free_irq(pci_irq_vector(pdev, 0), tp); -err_release_fw_2: - rtl_release_firmware(tp); - rtl8169_rx_clear(tp); -err_free_rx_1: - dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, - tp->RxPhyAddr); - tp->RxDescArray = NULL; -err_free_tx_0: - dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, - tp->TxPhyAddr); - tp->TxDescArray = NULL; -err_pm_runtime_put: - pm_runtime_put_noidle(&pdev->dev); - goto out; -} - -static void -rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) -{ - struct rtl8169_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - struct rtl8169_counters *counters = tp->counters; - unsigned int start; - - pm_runtime_get_noresume(&pdev->dev); - - if (netif_running(dev) && pm_runtime_active(&pdev->dev)) - rtl8169_rx_missed(dev); - - do { - start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp); - stats->rx_packets = tp->rx_stats.packets; - stats->rx_bytes = tp->rx_stats.bytes; - } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start)); - - do { - start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp); - stats->tx_packets = tp->tx_stats.packets; - stats->tx_bytes = tp->tx_stats.bytes; - } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start)); - - stats->rx_dropped = dev->stats.rx_dropped; - stats->tx_dropped = dev->stats.tx_dropped; - stats->rx_length_errors = dev->stats.rx_length_errors; - stats->rx_errors = dev->stats.rx_errors; - stats->rx_crc_errors = dev->stats.rx_crc_errors; - stats->rx_fifo_errors = dev->stats.rx_fifo_errors; - stats->rx_missed_errors = dev->stats.rx_missed_errors; - stats->multicast = dev->stats.multicast; - - /* - * Fetch additonal counter values missing in stats collected by driver - * from tally counters. - */ - if (pm_runtime_active(&pdev->dev)) - rtl8169_update_counters(tp); - - /* - * Subtract values fetched during initalization. - * See rtl8169_init_counter_offsets for a description why we do that. - */ - stats->tx_errors = le64_to_cpu(counters->tx_errors) - - le64_to_cpu(tp->tc_offset.tx_errors); - stats->collisions = le32_to_cpu(counters->tx_multi_collision) - - le32_to_cpu(tp->tc_offset.tx_multi_collision); - stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) - - le16_to_cpu(tp->tc_offset.tx_aborted); - - pm_runtime_put_noidle(&pdev->dev); -} - -static void rtl8169_net_suspend(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - if (!netif_running(dev)) - return; - - phy_stop(dev->phydev); - netif_device_detach(dev); - netif_stop_queue(dev); - - rtl_lock_work(tp); - napi_disable(&tp->napi); - /* Clear all task flags */ - bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); - - rtl_unlock_work(tp); - - rtl_pll_power_down(tp); -} - -#ifdef CONFIG_PM - -static int rtl8169_suspend(struct device *device) -{ - struct pci_dev *pdev = to_pci_dev(device); - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - - rtl8169_net_suspend(dev); - clk_disable_unprepare(tp->clk); - - return 0; -} - -static void __rtl8169_resume(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - - netif_device_attach(dev); - - rtl_pll_power_up(tp); - rtl8169_init_phy(dev, tp); - - phy_start(tp->dev->phydev); - - rtl_lock_work(tp); - napi_enable(&tp->napi); - set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); - rtl_unlock_work(tp); - - rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); -} - -static int rtl8169_resume(struct device *device) -{ - struct pci_dev *pdev = to_pci_dev(device); - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - - clk_prepare_enable(tp->clk); - - if (netif_running(dev)) - __rtl8169_resume(dev); - - return 0; -} - -static int rtl8169_runtime_suspend(struct device *device) -{ - struct pci_dev *pdev = to_pci_dev(device); - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - - if (!tp->TxDescArray) - return 0; - - rtl_lock_work(tp); - __rtl8169_set_wol(tp, WAKE_ANY); - rtl_unlock_work(tp); - - rtl8169_net_suspend(dev); - - /* Update counters before going runtime suspend */ - rtl8169_rx_missed(dev); - rtl8169_update_counters(tp); - - return 0; -} - -static int rtl8169_runtime_resume(struct device *device) -{ - struct pci_dev *pdev = to_pci_dev(device); - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - rtl_rar_set(tp, dev->dev_addr); - - if (!tp->TxDescArray) - return 0; - - rtl_lock_work(tp); - __rtl8169_set_wol(tp, tp->saved_wolopts); - rtl_unlock_work(tp); - - __rtl8169_resume(dev); - - return 0; -} - -static int rtl8169_runtime_idle(struct device *device) -{ - struct pci_dev *pdev = to_pci_dev(device); - struct net_device *dev = pci_get_drvdata(pdev); - - if (!netif_running(dev) || !netif_carrier_ok(dev)) - pm_schedule_suspend(device, 10000); - - return -EBUSY; -} - -static const struct dev_pm_ops rtl8169_pm_ops = { - .suspend = rtl8169_suspend, - .resume = rtl8169_resume, - .freeze = rtl8169_suspend, - .thaw = rtl8169_resume, - .poweroff = rtl8169_suspend, - .restore = rtl8169_resume, - .runtime_suspend = rtl8169_runtime_suspend, - .runtime_resume = rtl8169_runtime_resume, - .runtime_idle = rtl8169_runtime_idle, -}; - -#define RTL8169_PM_OPS (&rtl8169_pm_ops) - -#else /* !CONFIG_PM */ - -#define RTL8169_PM_OPS NULL - -#endif /* !CONFIG_PM */ - -static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp) -{ - /* WoL fails with 8168b when the receiver is disabled. */ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_11: - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_17: - pci_clear_master(tp->pci_dev); - - RTL_W8(tp, ChipCmd, CmdRxEnb); - /* PCI commit */ - RTL_R8(tp, ChipCmd); - break; - default: - break; - } -} - -static void rtl_shutdown(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - - rtl8169_net_suspend(dev); - - /* Restore original MAC address */ - rtl_rar_set(tp, dev->perm_addr); - - rtl8169_hw_reset(tp); - - if (system_state == SYSTEM_POWER_OFF) { - if (tp->saved_wolopts) { - rtl_wol_suspend_quirk(tp); - rtl_wol_shutdown_quirk(tp); - } - - pci_wake_from_d3(pdev, true); - pci_set_power_state(pdev, PCI_D3hot); - } -} - -static void rtl_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - - if (r8168_check_dash(tp)) - rtl8168_driver_stop(tp); - - netif_napi_del(&tp->napi); - - unregister_netdev(dev); - mdiobus_unregister(tp->mii_bus); - - rtl_release_firmware(tp); - - if (pci_dev_run_wake(pdev)) - pm_runtime_get_noresume(&pdev->dev); - - /* restore original MAC address */ - rtl_rar_set(tp, dev->perm_addr); -} - -static const struct net_device_ops rtl_netdev_ops = { - .ndo_open = rtl_open, - .ndo_stop = rtl8169_close, - .ndo_get_stats64 = rtl8169_get_stats64, - .ndo_start_xmit = rtl8169_start_xmit, - .ndo_tx_timeout = rtl8169_tx_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = rtl8169_change_mtu, - .ndo_fix_features = rtl8169_fix_features, - .ndo_set_features = rtl8169_set_features, - .ndo_set_mac_address = rtl_set_mac_address, - .ndo_do_ioctl = rtl8169_ioctl, - .ndo_set_rx_mode = rtl_set_rx_mode, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = rtl8169_netpoll, -#endif - -}; - -static const struct rtl_cfg_info { - void (*hw_start)(struct rtl8169_private *tp); - u16 event_slow; - unsigned int has_gmii:1; - const struct rtl_coalesce_info *coalesce_info; - u8 default_ver; -} rtl_cfg_infos [] = { - [RTL_CFG_0] = { - .hw_start = rtl_hw_start_8169, - .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver, - .has_gmii = 1, - .coalesce_info = rtl_coalesce_info_8169, - .default_ver = RTL_GIGA_MAC_VER_01, - }, - [RTL_CFG_1] = { - .hw_start = rtl_hw_start_8168, - .event_slow = SYSErr | LinkChg | RxOverflow, - .has_gmii = 1, - .coalesce_info = rtl_coalesce_info_8168_8136, - .default_ver = RTL_GIGA_MAC_VER_11, - }, - [RTL_CFG_2] = { - .hw_start = rtl_hw_start_8101, - .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver | - PCSTimeout, - .coalesce_info = rtl_coalesce_info_8168_8136, - .default_ver = RTL_GIGA_MAC_VER_13, - } -}; - -static int rtl_alloc_irq(struct rtl8169_private *tp) -{ - unsigned int flags; - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: - RTL_W8(tp, Cfg9346, Cfg9346_Unlock); - RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); - RTL_W8(tp, Cfg9346, Cfg9346_Lock); - /* fall through */ - case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_17: - flags = PCI_IRQ_LEGACY; - break; - default: - flags = PCI_IRQ_ALL_TYPES; - break; - } - - return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags); -} - -DECLARE_RTL_COND(rtl_link_list_ready_cond) -{ - return RTL_R8(tp, MCU) & LINK_LIST_RDY; -} - -DECLARE_RTL_COND(rtl_rxtx_empty_cond) -{ - return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY; -} - -static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg) -{ - struct rtl8169_private *tp = mii_bus->priv; - - if (phyaddr > 0) - return -ENODEV; - - return rtl_readphy(tp, phyreg); -} - -static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr, - int phyreg, u16 val) -{ - struct rtl8169_private *tp = mii_bus->priv; - - if (phyaddr > 0) - return -ENODEV; - - rtl_writephy(tp, phyreg, val); - - return 0; -} - -static int r8169_mdio_register(struct rtl8169_private *tp) -{ - struct pci_dev *pdev = tp->pci_dev; - struct phy_device *phydev; - struct mii_bus *new_bus; - int ret; - - new_bus = devm_mdiobus_alloc(&pdev->dev); - if (!new_bus) - return -ENOMEM; - - new_bus->name = "r8169"; - new_bus->priv = tp; - new_bus->parent = &pdev->dev; - new_bus->irq[0] = PHY_IGNORE_INTERRUPT; - snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", - PCI_DEVID(pdev->bus->number, pdev->devfn)); - - new_bus->read = r8169_mdio_read_reg; - new_bus->write = r8169_mdio_write_reg; - - ret = mdiobus_register(new_bus); - if (ret) - return ret; - - phydev = mdiobus_get_phy(new_bus, 0); - if (!phydev) { - mdiobus_unregister(new_bus); - return -ENODEV; - } - - /* PHY will be woken up in rtl_open() */ - phy_suspend(phydev); - - tp->mii_bus = new_bus; - - return 0; -} - -static void rtl_hw_init_8168g(struct rtl8169_private *tp) -{ - u32 data; - - tp->ocp_base = OCP_STD_PHY_BASE; - - RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); - - if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42)) - return; - - if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42)) - return; - - RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); - msleep(1); - RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); - - data = r8168_mac_ocp_read(tp, 0xe8de); - data &= ~(1 << 14); - r8168_mac_ocp_write(tp, 0xe8de, data); - - if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) - return; - - data = r8168_mac_ocp_read(tp, 0xe8de); - data |= (1 << 15); - r8168_mac_ocp_write(tp, 0xe8de, data); - - if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) - return; -} - -static void rtl_hw_init_8168ep(struct rtl8169_private *tp) -{ - rtl8168ep_stop_cmac(tp); - rtl_hw_init_8168g(tp); -} - -static void rtl_hw_initialize(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: - rtl_hw_init_8168g(tp); - break; - case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51: - rtl_hw_init_8168ep(tp); - break; - default: - break; - } -} - -/* Versions RTL8102e and from RTL8168c onwards support csum_v2 */ -static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: - return false; - default: - return true; - } -} - -static int rtl_jumbo_max(struct rtl8169_private *tp) -{ - /* Non-GBit versions don't support jumbo frames */ - if (!tp->supports_gmii) - return JUMBO_1K; - - switch (tp->mac_version) { - /* RTL8169 */ - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - return JUMBO_7K; - /* RTL8168b */ - case RTL_GIGA_MAC_VER_11: - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_17: - return JUMBO_4K; - /* RTL8168c */ - case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: - return JUMBO_6K; - default: - return JUMBO_9K; - } -} - -static void rtl_disable_clk(void *data) -{ - clk_disable_unprepare(data); -} - -static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; - struct rtl8169_private *tp; - struct net_device *dev; - int chipset, region, i; - int jumbo_max, rc; - - dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp)); - if (!dev) - return -ENOMEM; - - SET_NETDEV_DEV(dev, &pdev->dev); - dev->netdev_ops = &rtl_netdev_ops; - tp = netdev_priv(dev); - tp->dev = dev; - tp->pci_dev = pdev; - tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); - tp->supports_gmii = cfg->has_gmii; - - /* Get the *optional* external "ether_clk" used on some boards */ - tp->clk = devm_clk_get(&pdev->dev, "ether_clk"); - if (IS_ERR(tp->clk)) { - rc = PTR_ERR(tp->clk); - if (rc == -ENOENT) { - /* clk-core allows NULL (for suspend / resume) */ - tp->clk = NULL; - } else if (rc == -EPROBE_DEFER) { - return rc; - } else { - dev_err(&pdev->dev, "failed to get clk: %d\n", rc); - return rc; - } - } else { - rc = clk_prepare_enable(tp->clk); - if (rc) { - dev_err(&pdev->dev, "failed to enable clk: %d\n", rc); - return rc; - } - - rc = devm_add_action_or_reset(&pdev->dev, rtl_disable_clk, - tp->clk); - if (rc) - return rc; - } - - /* Disable ASPM completely as that cause random device stop working - * problems as well as full system hangs for some PCIe devices users. - */ - pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); - - /* enable device (incl. PCI PM wakeup and hotplug setup) */ - rc = pcim_enable_device(pdev); - if (rc < 0) { - dev_err(&pdev->dev, "enable failure\n"); - return rc; - } - - if (pcim_set_mwi(pdev) < 0) - dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n"); - - /* use first MMIO region */ - region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1; - if (region < 0) { - dev_err(&pdev->dev, "no MMIO resource found\n"); - return -ENODEV; - } - - /* check for weird/broken PCI region reporting */ - if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { - dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n"); - return -ENODEV; - } - - rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME); - if (rc < 0) { - dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); - return rc; - } - - tp->mmio_addr = pcim_iomap_table(pdev)[region]; - - if (!pci_is_pcie(pdev)) - dev_info(&pdev->dev, "not PCI Express\n"); - - /* Identify chip attached to board */ - rtl8169_get_mac_version(tp, cfg->default_ver); - - if (rtl_tbi_enabled(tp)) { - dev_err(&pdev->dev, "TBI fiber mode not supported\n"); - return -ENODEV; - } - - tp->cp_cmd = RTL_R16(tp, CPlusCmd); - - if ((sizeof(dma_addr_t) > 4) && - (use_dac == 1 || (use_dac == -1 && pci_is_pcie(pdev) && - tp->mac_version >= RTL_GIGA_MAC_VER_18)) && - !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && - !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { - - /* CPlusCmd Dual Access Cycle is only needed for non-PCIe */ - if (!pci_is_pcie(pdev)) - tp->cp_cmd |= PCIDAC; - dev->features |= NETIF_F_HIGHDMA; - } else { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc < 0) { - dev_err(&pdev->dev, "DMA configuration failed\n"); - return rc; - } - } - - rtl_init_rxcfg(tp); - - rtl_irq_disable(tp); - - rtl_hw_initialize(tp); - - rtl_hw_reset(tp); - - rtl_ack_events(tp, 0xffff); - - pci_set_master(pdev); - - rtl_init_mdio_ops(tp); - rtl_init_jumbo_ops(tp); - - rtl8169_print_mac_version(tp); - - chipset = tp->mac_version; - - rc = rtl_alloc_irq(tp); - if (rc < 0) { - dev_err(&pdev->dev, "Can't allocate interrupt\n"); - return rc; - } - - tp->saved_wolopts = __rtl8169_get_wol(tp); - - mutex_init(&tp->wk.mutex); - u64_stats_init(&tp->rx_stats.syncp); - u64_stats_init(&tp->tx_stats.syncp); - - /* Get MAC address */ - switch (tp->mac_version) { - u8 mac_addr[ETH_ALEN] __aligned(4); - case RTL_GIGA_MAC_VER_35 ... RTL_GIGA_MAC_VER_38: - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - *(u32 *)&mac_addr[0] = rtl_eri_read(tp, 0xe0, ERIAR_EXGMAC); - *(u16 *)&mac_addr[4] = rtl_eri_read(tp, 0xe4, ERIAR_EXGMAC); - - if (is_valid_ether_addr(mac_addr)) - rtl_rar_set(tp, mac_addr); - break; - default: - break; - } - for (i = 0; i < ETH_ALEN; i++) - dev->dev_addr[i] = RTL_R8(tp, MAC0 + i); - - dev->ethtool_ops = &rtl8169_ethtool_ops; - dev->watchdog_timeo = RTL8169_TX_TIMEOUT; - - netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT); - - /* don't enable SG, IP_CSUM and TSO by default - it might not work - * properly for all devices */ - dev->features |= NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; - - dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_CTAG_RX; - dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HIGHDMA; - dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; - - tp->cp_cmd |= RxChkSum | RxVlan; - - /* - * Pretend we are using VLANs; This bypasses a nasty bug where - * Interrupts stop flowing on high load on 8110SCd controllers. - */ - if (tp->mac_version == RTL_GIGA_MAC_VER_05) - /* Disallow toggling */ - dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; - - if (rtl_chip_supports_csum_v2(tp)) { - tp->tso_csum = rtl8169_tso_csum_v2; - dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; - } else { - tp->tso_csum = rtl8169_tso_csum_v1; - } - - dev->hw_features |= NETIF_F_RXALL; - dev->hw_features |= NETIF_F_RXFCS; - - /* MTU range: 60 - hw-specific max */ - dev->min_mtu = ETH_ZLEN; - jumbo_max = rtl_jumbo_max(tp); - dev->max_mtu = jumbo_max; - - tp->hw_start = cfg->hw_start; - tp->event_slow = cfg->event_slow; - tp->coalesce_info = cfg->coalesce_info; - - tp->rtl_fw = RTL_FIRMWARE_UNKNOWN; - - tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters), - &tp->counters_phys_addr, - GFP_KERNEL); - if (!tp->counters) - return -ENOMEM; - - pci_set_drvdata(pdev, dev); - - rc = r8169_mdio_register(tp); - if (rc) - return rc; - - /* chip gets powered up in rtl_open() */ - rtl_pll_power_down(tp); - - rc = register_netdev(dev); - if (rc) - goto err_mdio_unregister; - - netif_info(tp, probe, dev, "%s, %pM, XID %08x, IRQ %d\n", - rtl_chip_infos[chipset].name, dev->dev_addr, - (u32)(RTL_R32(tp, TxConfig) & 0xfcf0f8ff), - pci_irq_vector(pdev, 0)); - - if (jumbo_max > JUMBO_1K) - netif_info(tp, probe, dev, - "jumbo features [frames: %d bytes, tx checksumming: %s]\n", - jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ? - "ok" : "ko"); - - if (r8168_check_dash(tp)) - rtl8168_driver_start(tp); - - if (pci_dev_run_wake(pdev)) - pm_runtime_put_sync(&pdev->dev); - - return 0; - -err_mdio_unregister: - mdiobus_unregister(tp->mii_bus); - return rc; -} - -static struct pci_driver rtl8169_pci_driver = { - .name = MODULENAME, - .id_table = rtl8169_pci_tbl, - .probe = rtl_init_one, - .remove = rtl_remove_one, - .shutdown = rtl_shutdown, - .driver.pm = RTL8169_PM_OPS, -}; - -module_pci_driver(rtl8169_pci_driver); diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c new file mode 100644 index 000000000000..92875a935eb1 --- /dev/null +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -0,0 +1,7698 @@ +/* + * r8169.c: RealTek 8169/8168/8101 ethernet driver. + * + * Copyright (c) 2002 ShuChen <shuchen@xxxxxxxxxxxxxx> + * Copyright (c) 2003 - 2007 Francois Romieu <romieu@xxxxxxxxxxxxx> + * Copyright (c) a lot of people too. Please respect their work. + * + * See MAINTAINERS file for support contact information. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/if_vlan.h> +#include <linux/crc32.h> +#include <linux/in.h> +#include <linux/io.h> +#include <linux/ip.h> +#include <linux/tcp.h> +#include <linux/interrupt.h> +#include <linux/dma-mapping.h> +#include <linux/pm_runtime.h> +#include <linux/firmware.h> +#include <linux/prefetch.h> +#include <linux/pci-aspm.h> +#include <linux/ipv6.h> +#include <net/ip6_checksum.h> + +#define MODULENAME "r8169" + +#define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw" +#define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw" +#define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw" +#define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw" +#define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw" +#define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw" +#define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw" +#define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw" +#define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw" +#define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw" +#define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw" +#define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw" +#define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw" +#define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw" +#define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw" +#define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw" +#define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw" +#define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw" +#define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw" + +#define R8169_MSG_DEFAULT \ + (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) + +#define TX_SLOTS_AVAIL(tp) \ + (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx) + +/* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ +#define TX_FRAGS_READY_FOR(tp,nr_frags) \ + (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1)) + +/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ +static const int multicast_filter_limit = 32; + +#define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */ +#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ + +#define R8169_REGS_SIZE 256 +#define R8169_RX_BUF_SIZE (SZ_16K - 1) +#define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ +#define NUM_RX_DESC 256U /* Number of Rx descriptor registers */ +#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) +#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) + +#define RTL8169_TX_TIMEOUT (6*HZ) + +/* write/read MMIO register */ +#define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg)) +#define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg)) +#define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg)) +#define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg)) +#define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg)) +#define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg)) + +enum mac_version { + RTL_GIGA_MAC_VER_01 = 0, + RTL_GIGA_MAC_VER_02, + RTL_GIGA_MAC_VER_03, + RTL_GIGA_MAC_VER_04, + RTL_GIGA_MAC_VER_05, + RTL_GIGA_MAC_VER_06, + RTL_GIGA_MAC_VER_07, + RTL_GIGA_MAC_VER_08, + RTL_GIGA_MAC_VER_09, + RTL_GIGA_MAC_VER_10, + RTL_GIGA_MAC_VER_11, + RTL_GIGA_MAC_VER_12, + RTL_GIGA_MAC_VER_13, + RTL_GIGA_MAC_VER_14, + RTL_GIGA_MAC_VER_15, + RTL_GIGA_MAC_VER_16, + RTL_GIGA_MAC_VER_17, + RTL_GIGA_MAC_VER_18, + RTL_GIGA_MAC_VER_19, + RTL_GIGA_MAC_VER_20, + RTL_GIGA_MAC_VER_21, + RTL_GIGA_MAC_VER_22, + RTL_GIGA_MAC_VER_23, + RTL_GIGA_MAC_VER_24, + RTL_GIGA_MAC_VER_25, + RTL_GIGA_MAC_VER_26, + RTL_GIGA_MAC_VER_27, + RTL_GIGA_MAC_VER_28, + RTL_GIGA_MAC_VER_29, + RTL_GIGA_MAC_VER_30, + RTL_GIGA_MAC_VER_31, + RTL_GIGA_MAC_VER_32, + RTL_GIGA_MAC_VER_33, + RTL_GIGA_MAC_VER_34, + RTL_GIGA_MAC_VER_35, + RTL_GIGA_MAC_VER_36, + RTL_GIGA_MAC_VER_37, + RTL_GIGA_MAC_VER_38, + RTL_GIGA_MAC_VER_39, + RTL_GIGA_MAC_VER_40, + RTL_GIGA_MAC_VER_41, + RTL_GIGA_MAC_VER_42, + RTL_GIGA_MAC_VER_43, + RTL_GIGA_MAC_VER_44, + RTL_GIGA_MAC_VER_45, + RTL_GIGA_MAC_VER_46, + RTL_GIGA_MAC_VER_47, + RTL_GIGA_MAC_VER_48, + RTL_GIGA_MAC_VER_49, + RTL_GIGA_MAC_VER_50, + RTL_GIGA_MAC_VER_51, + RTL_GIGA_MAC_NONE = 0xff, +}; + +#define JUMBO_1K ETH_DATA_LEN +#define JUMBO_4K (4*1024 - ETH_HLEN - 2) +#define JUMBO_6K (6*1024 - ETH_HLEN - 2) +#define JUMBO_7K (7*1024 - ETH_HLEN - 2) +#define JUMBO_9K (9*1024 - ETH_HLEN - 2) + +static const struct { + const char *name; + const char *fw_name; +} rtl_chip_infos[] = { + /* PCI devices. */ + [RTL_GIGA_MAC_VER_01] = {"RTL8169" }, + [RTL_GIGA_MAC_VER_02] = {"RTL8169s" }, + [RTL_GIGA_MAC_VER_03] = {"RTL8110s" }, + [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb" }, + [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc" }, + [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc" }, + /* PCI-E devices. */ + [RTL_GIGA_MAC_VER_07] = {"RTL8102e" }, + [RTL_GIGA_MAC_VER_08] = {"RTL8102e" }, + [RTL_GIGA_MAC_VER_09] = {"RTL8102e" }, + [RTL_GIGA_MAC_VER_10] = {"RTL8101e" }, + [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b" }, + [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b" }, + [RTL_GIGA_MAC_VER_13] = {"RTL8101e" }, + [RTL_GIGA_MAC_VER_14] = {"RTL8100e" }, + [RTL_GIGA_MAC_VER_15] = {"RTL8100e" }, + [RTL_GIGA_MAC_VER_16] = {"RTL8101e" }, + [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b" }, + [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp" }, + [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c" }, + [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c" }, + [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c" }, + [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c" }, + [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp" }, + [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp" }, + [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d", FIRMWARE_8168D_1}, + [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d", FIRMWARE_8168D_2}, + [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp" }, + [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp" }, + [RTL_GIGA_MAC_VER_29] = {"RTL8105e", FIRMWARE_8105E_1}, + [RTL_GIGA_MAC_VER_30] = {"RTL8105e", FIRMWARE_8105E_1}, + [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp" }, + [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e", FIRMWARE_8168E_1}, + [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e", FIRMWARE_8168E_2}, + [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl", FIRMWARE_8168E_3}, + [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f", FIRMWARE_8168F_1}, + [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f", FIRMWARE_8168F_2}, + [RTL_GIGA_MAC_VER_37] = {"RTL8402", FIRMWARE_8402_1 }, + [RTL_GIGA_MAC_VER_38] = {"RTL8411", FIRMWARE_8411_1 }, + [RTL_GIGA_MAC_VER_39] = {"RTL8106e", FIRMWARE_8106E_1}, + [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g", FIRMWARE_8168G_2}, + [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g" }, + [RTL_GIGA_MAC_VER_42] = {"RTL8168g/8111g", FIRMWARE_8168G_3}, + [RTL_GIGA_MAC_VER_43] = {"RTL8106e", FIRMWARE_8106E_2}, + [RTL_GIGA_MAC_VER_44] = {"RTL8411", FIRMWARE_8411_2 }, + [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h", FIRMWARE_8168H_1}, + [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h", FIRMWARE_8168H_2}, + [RTL_GIGA_MAC_VER_47] = {"RTL8107e", FIRMWARE_8107E_1}, + [RTL_GIGA_MAC_VER_48] = {"RTL8107e", FIRMWARE_8107E_2}, + [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep" }, + [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep" }, + [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep" }, +}; + +enum cfg_version { + RTL_CFG_0 = 0x00, + RTL_CFG_1, + RTL_CFG_2 +}; + +static const struct pci_device_id rtl8169_pci_tbl[] = { + { PCI_VDEVICE(REALTEK, 0x2502), RTL_CFG_1 }, + { PCI_VDEVICE(REALTEK, 0x2600), RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161), 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_NCUBE, 0x8168), 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 }, + { PCI_VENDOR_ID_DLINK, 0x4300, + PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_USR, 0x0116), 0, 0, RTL_CFG_0 }, + { PCI_VENDOR_ID_LINKSYS, 0x1032, + PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 }, + { 0x0001, 0x8168, + PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 }, + {0,}, +}; + +MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); + +static int use_dac = -1; +static struct { + u32 msg_enable; +} debug = { -1 }; + +enum rtl_registers { + MAC0 = 0, /* Ethernet hardware address. */ + MAC4 = 4, + MAR0 = 8, /* Multicast filter. */ + CounterAddrLow = 0x10, + CounterAddrHigh = 0x14, + TxDescStartAddrLow = 0x20, + TxDescStartAddrHigh = 0x24, + TxHDescStartAddrLow = 0x28, + TxHDescStartAddrHigh = 0x2c, + FLASH = 0x30, + ERSR = 0x36, + ChipCmd = 0x37, + TxPoll = 0x38, + IntrMask = 0x3c, + IntrStatus = 0x3e, + + TxConfig = 0x40, +#define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */ +#define TXCFG_EMPTY (1 << 11) /* 8111e-vl */ + + RxConfig = 0x44, +#define RX128_INT_EN (1 << 15) /* 8111c and later */ +#define RX_MULTI_EN (1 << 14) /* 8111c only */ +#define RXCFG_FIFO_SHIFT 13 + /* No threshold before first PCI xfer */ +#define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT) +#define RX_EARLY_OFF (1 << 11) +#define RXCFG_DMA_SHIFT 8 + /* Unlimited maximum PCI burst. */ +#define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT) + + RxMissed = 0x4c, + Cfg9346 = 0x50, + Config0 = 0x51, + Config1 = 0x52, + Config2 = 0x53, +#define PME_SIGNAL (1 << 5) /* 8168c and later */ + + Config3 = 0x54, + Config4 = 0x55, + Config5 = 0x56, + MultiIntr = 0x5c, + PHYAR = 0x60, + PHYstatus = 0x6c, + RxMaxSize = 0xda, + CPlusCmd = 0xe0, + IntrMitigate = 0xe2, + +#define RTL_COALESCE_MASK 0x0f +#define RTL_COALESCE_SHIFT 4 +#define RTL_COALESCE_T_MAX (RTL_COALESCE_MASK) +#define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_MASK << 2) + + RxDescAddrLow = 0xe4, + RxDescAddrHigh = 0xe8, + EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */ + +#define NoEarlyTx 0x3f /* Max value : no early transmit. */ + + MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */ + +#define TxPacketMax (8064 >> 7) +#define EarlySize 0x27 + + FuncEvent = 0xf0, + FuncEventMask = 0xf4, + FuncPresetState = 0xf8, + IBCR0 = 0xf8, + IBCR2 = 0xf9, + IBIMR0 = 0xfa, + IBISR0 = 0xfb, + FuncForceEvent = 0xfc, +}; + +enum rtl8168_8101_registers { + CSIDR = 0x64, + CSIAR = 0x68, +#define CSIAR_FLAG 0x80000000 +#define CSIAR_WRITE_CMD 0x80000000 +#define CSIAR_BYTE_ENABLE 0x0000f000 +#define CSIAR_ADDR_MASK 0x00000fff + PMCH = 0x6f, + EPHYAR = 0x80, +#define EPHYAR_FLAG 0x80000000 +#define EPHYAR_WRITE_CMD 0x80000000 +#define EPHYAR_REG_MASK 0x1f +#define EPHYAR_REG_SHIFT 16 +#define EPHYAR_DATA_MASK 0xffff + DLLPR = 0xd0, +#define PFM_EN (1 << 6) +#define TX_10M_PS_EN (1 << 7) + DBG_REG = 0xd1, +#define FIX_NAK_1 (1 << 4) +#define FIX_NAK_2 (1 << 3) + TWSI = 0xd2, + MCU = 0xd3, +#define NOW_IS_OOB (1 << 7) +#define TX_EMPTY (1 << 5) +#define RX_EMPTY (1 << 4) +#define RXTX_EMPTY (TX_EMPTY | RX_EMPTY) +#define EN_NDP (1 << 3) +#define EN_OOB_RESET (1 << 2) +#define LINK_LIST_RDY (1 << 1) + EFUSEAR = 0xdc, +#define EFUSEAR_FLAG 0x80000000 +#define EFUSEAR_WRITE_CMD 0x80000000 +#define EFUSEAR_READ_CMD 0x00000000 +#define EFUSEAR_REG_MASK 0x03ff +#define EFUSEAR_REG_SHIFT 8 +#define EFUSEAR_DATA_MASK 0xff + MISC_1 = 0xf2, +#define PFM_D3COLD_EN (1 << 6) +}; + +enum rtl8168_registers { + LED_FREQ = 0x1a, + EEE_LED = 0x1b, + ERIDR = 0x70, + ERIAR = 0x74, +#define ERIAR_FLAG 0x80000000 +#define ERIAR_WRITE_CMD 0x80000000 +#define ERIAR_READ_CMD 0x00000000 +#define ERIAR_ADDR_BYTE_ALIGN 4 +#define ERIAR_TYPE_SHIFT 16 +#define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT) +#define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT) +#define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT) +#define ERIAR_OOB (0x02 << ERIAR_TYPE_SHIFT) +#define ERIAR_MASK_SHIFT 12 +#define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT) +#define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT) +#define ERIAR_MASK_0100 (0x4 << ERIAR_MASK_SHIFT) +#define ERIAR_MASK_0101 (0x5 << ERIAR_MASK_SHIFT) +#define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT) + EPHY_RXER_NUM = 0x7c, + OCPDR = 0xb0, /* OCP GPHY access */ +#define OCPDR_WRITE_CMD 0x80000000 +#define OCPDR_READ_CMD 0x00000000 +#define OCPDR_REG_MASK 0x7f +#define OCPDR_GPHY_REG_SHIFT 16 +#define OCPDR_DATA_MASK 0xffff + OCPAR = 0xb4, +#define OCPAR_FLAG 0x80000000 +#define OCPAR_GPHY_WRITE_CMD 0x8000f060 +#define OCPAR_GPHY_READ_CMD 0x0000f060 + GPHY_OCP = 0xb8, + RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */ + MISC = 0xf0, /* 8168e only. */ +#define TXPLA_RST (1 << 29) +#define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */ +#define PWM_EN (1 << 22) +#define RXDV_GATED_EN (1 << 19) +#define EARLY_TALLY_EN (1 << 16) +}; + +enum rtl_register_content { + /* InterruptStatusBits */ + SYSErr = 0x8000, + PCSTimeout = 0x4000, + SWInt = 0x0100, + TxDescUnavail = 0x0080, + RxFIFOOver = 0x0040, + LinkChg = 0x0020, + RxOverflow = 0x0010, + TxErr = 0x0008, + TxOK = 0x0004, + RxErr = 0x0002, + RxOK = 0x0001, + + /* RxStatusDesc */ + RxBOVF = (1 << 24), + RxFOVF = (1 << 23), + RxRWT = (1 << 22), + RxRES = (1 << 21), + RxRUNT = (1 << 20), + RxCRC = (1 << 19), + + /* ChipCmdBits */ + StopReq = 0x80, + CmdReset = 0x10, + CmdRxEnb = 0x08, + CmdTxEnb = 0x04, + RxBufEmpty = 0x01, + + /* TXPoll register p.5 */ + HPQ = 0x80, /* Poll cmd on the high prio queue */ + NPQ = 0x40, /* Poll cmd on the low prio queue */ + FSWInt = 0x01, /* Forced software interrupt */ + + /* Cfg9346Bits */ + Cfg9346_Lock = 0x00, + Cfg9346_Unlock = 0xc0, + + /* rx_mode_bits */ + AcceptErr = 0x20, + AcceptRunt = 0x10, + AcceptBroadcast = 0x08, + AcceptMulticast = 0x04, + AcceptMyPhys = 0x02, + AcceptAllPhys = 0x01, +#define RX_CONFIG_ACCEPT_MASK 0x3f + + /* TxConfigBits */ + TxInterFrameGapShift = 24, + TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ + + /* Config1 register p.24 */ + LEDS1 = (1 << 7), + LEDS0 = (1 << 6), + Speed_down = (1 << 4), + MEMMAP = (1 << 3), + IOMAP = (1 << 2), + VPD = (1 << 1), + PMEnable = (1 << 0), /* Power Management Enable */ + + /* Config2 register p. 25 */ + ClkReqEn = (1 << 7), /* Clock Request Enable */ + MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */ + PCI_Clock_66MHz = 0x01, + PCI_Clock_33MHz = 0x00, + + /* Config3 register p.25 */ + MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ + LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ + Rdy_to_L23 = (1 << 1), /* L23 Enable */ + Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ + + /* Config4 register */ + Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */ + + /* Config5 register p.27 */ + BWF = (1 << 6), /* Accept Broadcast wakeup frame */ + MWF = (1 << 5), /* Accept Multicast wakeup frame */ + UWF = (1 << 4), /* Accept Unicast wakeup frame */ + Spi_en = (1 << 3), + LanWake = (1 << 1), /* LanWake enable/disable */ + PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ + ASPM_en = (1 << 0), /* ASPM enable */ + + /* CPlusCmd p.31 */ + EnableBist = (1 << 15), // 8168 8101 + Mac_dbgo_oe = (1 << 14), // 8168 8101 + Normal_mode = (1 << 13), // unused + Force_half_dup = (1 << 12), // 8168 8101 + Force_rxflow_en = (1 << 11), // 8168 8101 + Force_txflow_en = (1 << 10), // 8168 8101 + Cxpl_dbg_sel = (1 << 9), // 8168 8101 + ASF = (1 << 8), // 8168 8101 + PktCntrDisable = (1 << 7), // 8168 8101 + Mac_dbgo_sel = 0x001c, // 8168 + RxVlan = (1 << 6), + RxChkSum = (1 << 5), + PCIDAC = (1 << 4), + PCIMulRW = (1 << 3), +#define INTT_MASK GENMASK(1, 0) + INTT_0 = 0x0000, // 8168 + INTT_1 = 0x0001, // 8168 + INTT_2 = 0x0002, // 8168 + INTT_3 = 0x0003, // 8168 + + /* rtl8169_PHYstatus */ + TBI_Enable = 0x80, + TxFlowCtrl = 0x40, + RxFlowCtrl = 0x20, + _1000bpsF = 0x10, + _100bps = 0x08, + _10bps = 0x04, + LinkStatus = 0x02, + FullDup = 0x01, + + /* _TBICSRBit */ + TBILinkOK = 0x02000000, + + /* ResetCounterCommand */ + CounterReset = 0x1, + + /* DumpCounterCommand */ + CounterDump = 0x8, + + /* magic enable v2 */ + MagicPacket_v2 = (1 << 16), /* Wake up when receives a Magic Packet */ +}; + +enum rtl_desc_bit { + /* First doubleword. */ + DescOwn = (1 << 31), /* Descriptor is owned by NIC */ + RingEnd = (1 << 30), /* End of descriptor ring */ + FirstFrag = (1 << 29), /* First segment of a packet */ + LastFrag = (1 << 28), /* Final segment of a packet */ +}; + +/* Generic case. */ +enum rtl_tx_desc_bit { + /* First doubleword. */ + TD_LSO = (1 << 27), /* Large Send Offload */ +#define TD_MSS_MAX 0x07ffu /* MSS value */ + + /* Second doubleword. */ + TxVlanTag = (1 << 17), /* Add VLAN tag */ +}; + +/* 8169, 8168b and 810x except 8102e. */ +enum rtl_tx_desc_bit_0 { + /* First doubleword. */ +#define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */ + TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */ + TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */ + TD0_IP_CS = (1 << 18), /* Calculate IP checksum */ +}; + +/* 8102e, 8168c and beyond. */ +enum rtl_tx_desc_bit_1 { + /* First doubleword. */ + TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */ + TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */ +#define GTTCPHO_SHIFT 18 +#define GTTCPHO_MAX 0x7fU + + /* Second doubleword. */ +#define TCPHO_SHIFT 18 +#define TCPHO_MAX 0x3ffU +#define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */ + TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */ + TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */ + TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */ + TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */ +}; + +enum rtl_rx_desc_bit { + /* Rx private */ + PID1 = (1 << 18), /* Protocol ID bit 1/2 */ + PID0 = (1 << 17), /* Protocol ID bit 0/2 */ + +#define RxProtoUDP (PID1) +#define RxProtoTCP (PID0) +#define RxProtoIP (PID1 | PID0) +#define RxProtoMask RxProtoIP + + IPFail = (1 << 16), /* IP checksum failed */ + UDPFail = (1 << 15), /* UDP/IP checksum failed */ + TCPFail = (1 << 14), /* TCP/IP checksum failed */ + RxVlanTag = (1 << 16), /* VLAN tag available */ +}; + +#define RsvdMask 0x3fffc000 +#define CPCMD_QUIRK_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK) + +struct TxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct RxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct ring_info { + struct sk_buff *skb; + u32 len; + u8 __pad[sizeof(void *) - sizeof(u32)]; +}; + +struct rtl8169_counters { + __le64 tx_packets; + __le64 rx_packets; + __le64 tx_errors; + __le32 rx_errors; + __le16 rx_missed; + __le16 align_errors; + __le32 tx_one_collision; + __le32 tx_multi_collision; + __le64 rx_unicast; + __le64 rx_broadcast; + __le32 rx_multicast; + __le16 tx_aborted; + __le16 tx_underun; +}; + +struct rtl8169_tc_offsets { + bool inited; + __le64 tx_errors; + __le32 tx_multi_collision; + __le16 tx_aborted; +}; + +enum rtl_flag { + RTL_FLAG_TASK_ENABLED = 0, + RTL_FLAG_TASK_SLOW_PENDING, + RTL_FLAG_TASK_RESET_PENDING, + RTL_FLAG_MAX +}; + +struct rtl8169_stats { + u64 packets; + u64 bytes; + struct u64_stats_sync syncp; +}; + +struct rtl8169_private { + void __iomem *mmio_addr; /* memory map physical address */ + struct pci_dev *pci_dev; + struct net_device *dev; + struct napi_struct napi; + u32 msg_enable; + u16 mac_version; + u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ + u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ + u32 dirty_tx; + struct rtl8169_stats rx_stats; + struct rtl8169_stats tx_stats; + struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ + struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ + dma_addr_t TxPhyAddr; + dma_addr_t RxPhyAddr; + void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */ + struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ + u16 cp_cmd; + + u16 event_slow; + const struct rtl_coalesce_info *coalesce_info; + struct clk *clk; + + struct mdio_ops { + void (*write)(struct rtl8169_private *, int, int); + int (*read)(struct rtl8169_private *, int); + } mdio_ops; + + struct jumbo_ops { + void (*enable)(struct rtl8169_private *); + void (*disable)(struct rtl8169_private *); + } jumbo_ops; + + void (*hw_start)(struct rtl8169_private *tp); + bool (*tso_csum)(struct rtl8169_private *, struct sk_buff *, u32 *); + + struct { + DECLARE_BITMAP(flags, RTL_FLAG_MAX); + struct mutex mutex; + struct work_struct work; + } wk; + + unsigned supports_gmii:1; + struct mii_bus *mii_bus; + dma_addr_t counters_phys_addr; + struct rtl8169_counters *counters; + struct rtl8169_tc_offsets tc_offset; + u32 saved_wolopts; + + struct rtl_fw { + const struct firmware *fw; + +#define RTL_VER_SIZE 32 + + char version[RTL_VER_SIZE]; + + struct rtl_fw_phy_action { + __le32 *code; + size_t size; + } phy_action; + } *rtl_fw; +#define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN) + + u32 ocp_base; +}; + +MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@xxxxxxxxxxxxxxx>"); +MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); +module_param(use_dac, int, 0); +MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); +module_param_named(debug, debug.msg_enable, int, 0); +MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); +MODULE_SOFTDEP("pre: realtek"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(FIRMWARE_8168D_1); +MODULE_FIRMWARE(FIRMWARE_8168D_2); +MODULE_FIRMWARE(FIRMWARE_8168E_1); +MODULE_FIRMWARE(FIRMWARE_8168E_2); +MODULE_FIRMWARE(FIRMWARE_8168E_3); +MODULE_FIRMWARE(FIRMWARE_8105E_1); +MODULE_FIRMWARE(FIRMWARE_8168F_1); +MODULE_FIRMWARE(FIRMWARE_8168F_2); +MODULE_FIRMWARE(FIRMWARE_8402_1); +MODULE_FIRMWARE(FIRMWARE_8411_1); +MODULE_FIRMWARE(FIRMWARE_8411_2); +MODULE_FIRMWARE(FIRMWARE_8106E_1); +MODULE_FIRMWARE(FIRMWARE_8106E_2); +MODULE_FIRMWARE(FIRMWARE_8168G_2); +MODULE_FIRMWARE(FIRMWARE_8168G_3); +MODULE_FIRMWARE(FIRMWARE_8168H_1); +MODULE_FIRMWARE(FIRMWARE_8168H_2); +MODULE_FIRMWARE(FIRMWARE_8107E_1); +MODULE_FIRMWARE(FIRMWARE_8107E_2); + +static inline struct device *tp_to_dev(struct rtl8169_private *tp) +{ + return &tp->pci_dev->dev; +} + +static void rtl_lock_work(struct rtl8169_private *tp) +{ + mutex_lock(&tp->wk.mutex); +} + +static void rtl_unlock_work(struct rtl8169_private *tp) +{ + mutex_unlock(&tp->wk.mutex); +} + +static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force) +{ + pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_READRQ, force); +} + +struct rtl_cond { + bool (*check)(struct rtl8169_private *); + const char *msg; +}; + +static void rtl_udelay(unsigned int d) +{ + udelay(d); +} + +static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c, + void (*delay)(unsigned int), unsigned int d, int n, + bool high) +{ + int i; + + for (i = 0; i < n; i++) { + delay(d); + if (c->check(tp) == high) + return true; + } + netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n", + c->msg, !high, n, d); + return false; +} + +static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp, + const struct rtl_cond *c, + unsigned int d, int n) +{ + return rtl_loop_wait(tp, c, rtl_udelay, d, n, true); +} + +static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp, + const struct rtl_cond *c, + unsigned int d, int n) +{ + return rtl_loop_wait(tp, c, rtl_udelay, d, n, false); +} + +static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp, + const struct rtl_cond *c, + unsigned int d, int n) +{ + return rtl_loop_wait(tp, c, msleep, d, n, true); +} + +static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp, + const struct rtl_cond *c, + unsigned int d, int n) +{ + return rtl_loop_wait(tp, c, msleep, d, n, false); +} + +#define DECLARE_RTL_COND(name) \ +static bool name ## _check(struct rtl8169_private *); \ + \ +static const struct rtl_cond name = { \ + .check = name ## _check, \ + .msg = #name \ +}; \ + \ +static bool name ## _check(struct rtl8169_private *tp) + +static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg) +{ + if (reg & 0xffff0001) { + netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg); + return true; + } + return false; +} + +DECLARE_RTL_COND(rtl_ocp_gphy_cond) +{ + return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG; +} + +static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) +{ + if (rtl_ocp_reg_failure(tp, reg)) + return; + + RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data); + + rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10); +} + +static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) +{ + if (rtl_ocp_reg_failure(tp, reg)) + return 0; + + RTL_W32(tp, GPHY_OCP, reg << 15); + + return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ? + (RTL_R32(tp, GPHY_OCP) & 0xffff) : ~0; +} + +static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) +{ + if (rtl_ocp_reg_failure(tp, reg)) + return; + + RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data); +} + +static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg) +{ + if (rtl_ocp_reg_failure(tp, reg)) + return 0; + + RTL_W32(tp, OCPDR, reg << 15); + + return RTL_R32(tp, OCPDR); +} + +#define OCP_STD_PHY_BASE 0xa400 + +static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value) +{ + if (reg == 0x1f) { + tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE; + return; + } + + if (tp->ocp_base != OCP_STD_PHY_BASE) + reg -= 0x10; + + r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value); +} + +static int r8168g_mdio_read(struct rtl8169_private *tp, int reg) +{ + if (tp->ocp_base != OCP_STD_PHY_BASE) + reg -= 0x10; + + return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2); +} + +static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value) +{ + if (reg == 0x1f) { + tp->ocp_base = value << 4; + return; + } + + r8168_mac_ocp_write(tp, tp->ocp_base + reg, value); +} + +static int mac_mcu_read(struct rtl8169_private *tp, int reg) +{ + return r8168_mac_ocp_read(tp, tp->ocp_base + reg); +} + +DECLARE_RTL_COND(rtl_phyar_cond) +{ + return RTL_R32(tp, PHYAR) & 0x80000000; +} + +static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value) +{ + RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff)); + + rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20); + /* + * According to hardware specs a 20us delay is required after write + * complete indication, but before sending next command. + */ + udelay(20); +} + +static int r8169_mdio_read(struct rtl8169_private *tp, int reg) +{ + int value; + + RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16); + + value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ? + RTL_R32(tp, PHYAR) & 0xffff : ~0; + + /* + * According to hardware specs a 20us delay is required after read + * complete indication, but before sending next command. + */ + udelay(20); + + return value; +} + +DECLARE_RTL_COND(rtl_ocpar_cond) +{ + return RTL_R32(tp, OCPAR) & OCPAR_FLAG; +} + +static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data) +{ + RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT)); + RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD); + RTL_W32(tp, EPHY_RXER_NUM, 0); + + rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100); +} + +static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value) +{ + r8168dp_1_mdio_access(tp, reg, + OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK)); +} + +static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg) +{ + r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD); + + mdelay(1); + RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD); + RTL_W32(tp, EPHY_RXER_NUM, 0); + + return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ? + RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : ~0; +} + +#define R8168DP_1_MDIO_ACCESS_BIT 0x00020000 + +static void r8168dp_2_mdio_start(struct rtl8169_private *tp) +{ + RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT); +} + +static void r8168dp_2_mdio_stop(struct rtl8169_private *tp) +{ + RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT); +} + +static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value) +{ + r8168dp_2_mdio_start(tp); + + r8169_mdio_write(tp, reg, value); + + r8168dp_2_mdio_stop(tp); +} + +static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg) +{ + int value; + + /* Work around issue with chip reporting wrong PHY ID */ + if (reg == MII_PHYSID2) + return 0xc912; + + r8168dp_2_mdio_start(tp); + + value = r8169_mdio_read(tp, reg); + + r8168dp_2_mdio_stop(tp); + + return value; +} + +static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val) +{ + tp->mdio_ops.write(tp, location, val); +} + +static int rtl_readphy(struct rtl8169_private *tp, int location) +{ + return tp->mdio_ops.read(tp, location); +} + +static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value) +{ + rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value); +} + +static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m) +{ + int val; + + val = rtl_readphy(tp, reg_addr); + rtl_writephy(tp, reg_addr, (val & ~m) | p); +} + +DECLARE_RTL_COND(rtl_ephyar_cond) +{ + return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG; +} + +static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value) +{ + RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | + (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100); + + udelay(10); +} + +static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr) +{ + RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ? + RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0; +} + +DECLARE_RTL_COND(rtl_eriar_cond) +{ + return RTL_R32(tp, ERIAR) & ERIAR_FLAG; +} + +static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, + u32 val, int type) +{ + BUG_ON((addr & 3) || (mask == 0)); + RTL_W32(tp, ERIDR, val); + RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr); + + rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100); +} + +static u32 rtl_eri_read(struct rtl8169_private *tp, int addr, int type) +{ + RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr); + + return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ? + RTL_R32(tp, ERIDR) : ~0; +} + +static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p, + u32 m, int type) +{ + u32 val; + + val = rtl_eri_read(tp, addr, type); + rtl_eri_write(tp, addr, mask, (val & ~m) | p, type); +} + +static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) +{ + RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); + return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ? + RTL_R32(tp, OCPDR) : ~0; +} + +static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) +{ + return rtl_eri_read(tp, reg, ERIAR_OOB); +} + +static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + return r8168dp_ocp_read(tp, mask, reg); + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + return r8168ep_ocp_read(tp, mask, reg); + default: + BUG(); + return ~0; + } +} + +static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, + u32 data) +{ + RTL_W32(tp, OCPDR, data); + RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); + rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20); +} + +static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, + u32 data) +{ + rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT, + data, ERIAR_OOB); +} + +static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + r8168dp_ocp_write(tp, mask, reg, data); + break; + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + r8168ep_ocp_write(tp, mask, reg, data); + break; + default: + BUG(); + break; + } +} + +static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd) +{ + rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd, ERIAR_EXGMAC); + + ocp_write(tp, 0x1, 0x30, 0x00000001); +} + +#define OOB_CMD_RESET 0x00 +#define OOB_CMD_DRIVER_START 0x05 +#define OOB_CMD_DRIVER_STOP 0x06 + +static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp) +{ + return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10; +} + +DECLARE_RTL_COND(rtl_ocp_read_cond) +{ + u16 reg; + + reg = rtl8168_get_ocp_reg(tp); + + return ocp_read(tp, 0x0f, reg) & 0x00000800; +} + +DECLARE_RTL_COND(rtl_ep_ocp_read_cond) +{ + return ocp_read(tp, 0x0f, 0x124) & 0x00000001; +} + +DECLARE_RTL_COND(rtl_ocp_tx_cond) +{ + return RTL_R8(tp, IBISR0) & 0x20; +} + +static void rtl8168ep_stop_cmac(struct rtl8169_private *tp) +{ + RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01); + rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000); + RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20); + RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01); +} + +static void rtl8168dp_driver_start(struct rtl8169_private *tp) +{ + rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START); + rtl_msleep_loop_wait_high(tp, &rtl_ocp_read_cond, 10, 10); +} + +static void rtl8168ep_driver_start(struct rtl8169_private *tp) +{ + ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START); + ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01); + rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10); +} + +static void rtl8168_driver_start(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + rtl8168dp_driver_start(tp); + break; + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + rtl8168ep_driver_start(tp); + break; + default: + BUG(); + break; + } +} + +static void rtl8168dp_driver_stop(struct rtl8169_private *tp) +{ + rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP); + rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10); +} + +static void rtl8168ep_driver_stop(struct rtl8169_private *tp) +{ + rtl8168ep_stop_cmac(tp); + ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP); + ocp_write(tp, 0x01, 0x30, ocp_read(tp, 0x01, 0x30) | 0x01); + rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10); +} + +static void rtl8168_driver_stop(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + rtl8168dp_driver_stop(tp); + break; + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + rtl8168ep_driver_stop(tp); + break; + default: + BUG(); + break; + } +} + +static bool r8168dp_check_dash(struct rtl8169_private *tp) +{ + u16 reg = rtl8168_get_ocp_reg(tp); + + return !!(ocp_read(tp, 0x0f, reg) & 0x00008000); +} + +static bool r8168ep_check_dash(struct rtl8169_private *tp) +{ + return !!(ocp_read(tp, 0x0f, 0x128) & 0x00000001); +} + +static bool r8168_check_dash(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + return r8168dp_check_dash(tp); + case RTL_GIGA_MAC_VER_49: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + return r8168ep_check_dash(tp); + default: + return false; + } +} + +struct exgmac_reg { + u16 addr; + u16 mask; + u32 val; +}; + +static void rtl_write_exgmac_batch(struct rtl8169_private *tp, + const struct exgmac_reg *r, int len) +{ + while (len-- > 0) { + rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC); + r++; + } +} + +DECLARE_RTL_COND(rtl_efusear_cond) +{ + return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG; +} + +static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr) +{ + RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); + + return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ? + RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0; +} + +static u16 rtl_get_events(struct rtl8169_private *tp) +{ + return RTL_R16(tp, IntrStatus); +} + +static void rtl_ack_events(struct rtl8169_private *tp, u16 bits) +{ + RTL_W16(tp, IntrStatus, bits); + mmiowb(); +} + +static void rtl_irq_disable(struct rtl8169_private *tp) +{ + RTL_W16(tp, IntrMask, 0); + mmiowb(); +} + +static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits) +{ + RTL_W16(tp, IntrMask, bits); +} + +#define RTL_EVENT_NAPI_RX (RxOK | RxErr) +#define RTL_EVENT_NAPI_TX (TxOK | TxErr) +#define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX) + +static void rtl_irq_enable_all(struct rtl8169_private *tp) +{ + rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow); +} + +static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp) +{ + rtl_irq_disable(tp); + rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow); + RTL_R8(tp, ChipCmd); +} + +static void rtl_link_chg_patch(struct rtl8169_private *tp) +{ + struct net_device *dev = tp->dev; + struct phy_device *phydev = dev->phydev; + + if (!netif_running(dev)) + return; + + if (tp->mac_version == RTL_GIGA_MAC_VER_34 || + tp->mac_version == RTL_GIGA_MAC_VER_38) { + if (phydev->speed == SPEED_1000) { + rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, + ERIAR_EXGMAC); + } else if (phydev->speed == SPEED_100) { + rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, + ERIAR_EXGMAC); + } else { + rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, + ERIAR_EXGMAC); + } + /* Reset packet filter */ + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, + ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, + ERIAR_EXGMAC); + } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 || + tp->mac_version == RTL_GIGA_MAC_VER_36) { + if (phydev->speed == SPEED_1000) { + rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, + ERIAR_EXGMAC); + } else { + rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, + ERIAR_EXGMAC); + } + } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) { + if (phydev->speed == SPEED_10) { + rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02, + ERIAR_EXGMAC); + rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060, + ERIAR_EXGMAC); + } else { + rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, + ERIAR_EXGMAC); + } + } +} + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + +static u32 __rtl8169_get_wol(struct rtl8169_private *tp) +{ + u8 options; + u32 wolopts = 0; + + options = RTL_R8(tp, Config1); + if (!(options & PMEnable)) + return 0; + + options = RTL_R8(tp, Config3); + if (options & LinkUp) + wolopts |= WAKE_PHY; + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + if (rtl_eri_read(tp, 0xdc, ERIAR_EXGMAC) & MagicPacket_v2) + wolopts |= WAKE_MAGIC; + break; + default: + if (options & MagicPacket) + wolopts |= WAKE_MAGIC; + break; + } + + options = RTL_R8(tp, Config5); + if (options & UWF) + wolopts |= WAKE_UCAST; + if (options & BWF) + wolopts |= WAKE_BCAST; + if (options & MWF) + wolopts |= WAKE_MCAST; + + return wolopts; +} + +static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl_lock_work(tp); + wol->supported = WAKE_ANY; + wol->wolopts = tp->saved_wolopts; + rtl_unlock_work(tp); +} + +static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) +{ + unsigned int i, tmp; + static const struct { + u32 opt; + u16 reg; + u8 mask; + } cfg[] = { + { WAKE_PHY, Config3, LinkUp }, + { WAKE_UCAST, Config5, UWF }, + { WAKE_BCAST, Config5, BWF }, + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake }, + { WAKE_MAGIC, Config3, MagicPacket } + }; + u8 options; + + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + tmp = ARRAY_SIZE(cfg) - 1; + if (wolopts & WAKE_MAGIC) + rtl_w0w1_eri(tp, + 0x0dc, + ERIAR_MASK_0100, + MagicPacket_v2, + 0x0000, + ERIAR_EXGMAC); + else + rtl_w0w1_eri(tp, + 0x0dc, + ERIAR_MASK_0100, + 0x0000, + MagicPacket_v2, + ERIAR_EXGMAC); + break; + default: + tmp = ARRAY_SIZE(cfg); + break; + } + + for (i = 0; i < tmp; i++) { + options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask; + if (wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(tp, cfg[i].reg, options); + } + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17: + options = RTL_R8(tp, Config1) & ~PMEnable; + if (wolopts) + options |= PMEnable; + RTL_W8(tp, Config1, options); + break; + default: + options = RTL_R8(tp, Config2) & ~PME_SIGNAL; + if (wolopts) + options |= PME_SIGNAL; + RTL_W8(tp, Config2, options); + break; + } + + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + + device_set_wakeup_enable(tp_to_dev(tp), wolopts); +} + +static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct device *d = tp_to_dev(tp); + + if (wol->wolopts & ~WAKE_ANY) + return -EINVAL; + + pm_runtime_get_noresume(d); + + rtl_lock_work(tp); + + tp->saved_wolopts = wol->wolopts; + + if (pm_runtime_active(d)) + __rtl8169_set_wol(tp, tp->saved_wolopts); + + rtl_unlock_work(tp); + + pm_runtime_put_noidle(d); + + return 0; +} + +static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp) +{ + return rtl_chip_infos[tp->mac_version].fw_name; +} + +static void rtl8169_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct rtl_fw *rtl_fw = tp->rtl_fw; + + strlcpy(info->driver, MODULENAME, sizeof(info->driver)); + strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info)); + BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version)); + if (!IS_ERR_OR_NULL(rtl_fw)) + strlcpy(info->fw_version, rtl_fw->version, + sizeof(info->fw_version)); +} + +static int rtl8169_get_regs_len(struct net_device *dev) +{ + return R8169_REGS_SIZE; +} + +static netdev_features_t rtl8169_fix_features(struct net_device *dev, + netdev_features_t features) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (dev->mtu > TD_MSS_MAX) + features &= ~NETIF_F_ALL_TSO; + + if (dev->mtu > JUMBO_1K && + tp->mac_version > RTL_GIGA_MAC_VER_06) + features &= ~NETIF_F_IP_CSUM; + + return features; +} + +static int rtl8169_set_features(struct net_device *dev, + netdev_features_t features) +{ + struct rtl8169_private *tp = netdev_priv(dev); + u32 rx_config; + + rtl_lock_work(tp); + + rx_config = RTL_R32(tp, RxConfig); + if (features & NETIF_F_RXALL) + rx_config |= (AcceptErr | AcceptRunt); + else + rx_config &= ~(AcceptErr | AcceptRunt); + + RTL_W32(tp, RxConfig, rx_config); + + if (features & NETIF_F_RXCSUM) + tp->cp_cmd |= RxChkSum; + else + tp->cp_cmd &= ~RxChkSum; + + if (features & NETIF_F_HW_VLAN_CTAG_RX) + tp->cp_cmd |= RxVlan; + else + tp->cp_cmd &= ~RxVlan; + + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + RTL_R16(tp, CPlusCmd); + + rtl_unlock_work(tp); + + return 0; +} + +static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb) +{ + return (skb_vlan_tag_present(skb)) ? + TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00; +} + +static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb) +{ + u32 opts2 = le32_to_cpu(desc->opts2); + + if (opts2 & RxVlanTag) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff)); +} + +static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + u32 __iomem *data = tp->mmio_addr; + u32 *dw = p; + int i; + + rtl_lock_work(tp); + for (i = 0; i < R8169_REGS_SIZE; i += 4) + memcpy_fromio(dw++, data++, 4); + rtl_unlock_work(tp); +} + +static u32 rtl8169_get_msglevel(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->msg_enable; +} + +static void rtl8169_set_msglevel(struct net_device *dev, u32 value) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + tp->msg_enable = value; +} + +static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { + "tx_packets", + "rx_packets", + "tx_errors", + "rx_errors", + "rx_missed", + "align_errors", + "tx_single_collisions", + "tx_multi_collisions", + "unicast", + "broadcast", + "multicast", + "tx_aborted", + "tx_underrun", +}; + +static int rtl8169_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(rtl8169_gstrings); + default: + return -EOPNOTSUPP; + } +} + +DECLARE_RTL_COND(rtl_counters_cond) +{ + return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump); +} + +static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd) +{ + dma_addr_t paddr = tp->counters_phys_addr; + u32 cmd; + + RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32); + RTL_R32(tp, CounterAddrHigh); + cmd = (u64)paddr & DMA_BIT_MASK(32); + RTL_W32(tp, CounterAddrLow, cmd); + RTL_W32(tp, CounterAddrLow, cmd | counter_cmd); + + return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000); +} + +static bool rtl8169_reset_counters(struct rtl8169_private *tp) +{ + /* + * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the + * tally counters. + */ + if (tp->mac_version < RTL_GIGA_MAC_VER_19) + return true; + + return rtl8169_do_counters(tp, CounterReset); +} + +static bool rtl8169_update_counters(struct rtl8169_private *tp) +{ + u8 val = RTL_R8(tp, ChipCmd); + + /* + * Some chips are unable to dump tally counters when the receiver + * is disabled. If 0xff chip may be in a PCI power-save state. + */ + if (!(val & CmdRxEnb) || val == 0xff) + return true; + + return rtl8169_do_counters(tp, CounterDump); +} + +static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp) +{ + struct rtl8169_counters *counters = tp->counters; + bool ret = false; + + /* + * rtl8169_init_counter_offsets is called from rtl_open. On chip + * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only + * reset by a power cycle, while the counter values collected by the + * driver are reset at every driver unload/load cycle. + * + * To make sure the HW values returned by @get_stats64 match the SW + * values, we collect the initial values at first open(*) and use them + * as offsets to normalize the values returned by @get_stats64. + * + * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one + * for the reason stated in rtl8169_update_counters; CmdRxEnb is only + * set at open time by rtl_hw_start. + */ + + if (tp->tc_offset.inited) + return true; + + /* If both, reset and update fail, propagate to caller. */ + if (rtl8169_reset_counters(tp)) + ret = true; + + if (rtl8169_update_counters(tp)) + ret = true; + + tp->tc_offset.tx_errors = counters->tx_errors; + tp->tc_offset.tx_multi_collision = counters->tx_multi_collision; + tp->tc_offset.tx_aborted = counters->tx_aborted; + tp->tc_offset.inited = true; + + return ret; +} + +static void rtl8169_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct device *d = tp_to_dev(tp); + struct rtl8169_counters *counters = tp->counters; + + ASSERT_RTNL(); + + pm_runtime_get_noresume(d); + + if (pm_runtime_active(d)) + rtl8169_update_counters(tp); + + pm_runtime_put_noidle(d); + + data[0] = le64_to_cpu(counters->tx_packets); + data[1] = le64_to_cpu(counters->rx_packets); + data[2] = le64_to_cpu(counters->tx_errors); + data[3] = le32_to_cpu(counters->rx_errors); + data[4] = le16_to_cpu(counters->rx_missed); + data[5] = le16_to_cpu(counters->align_errors); + data[6] = le32_to_cpu(counters->tx_one_collision); + data[7] = le32_to_cpu(counters->tx_multi_collision); + data[8] = le64_to_cpu(counters->rx_unicast); + data[9] = le64_to_cpu(counters->rx_broadcast); + data[10] = le32_to_cpu(counters->rx_multicast); + data[11] = le16_to_cpu(counters->tx_aborted); + data[12] = le16_to_cpu(counters->tx_underun); +} + +static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + switch(stringset) { + case ETH_SS_STATS: + memcpy(data, rtl8169_gstrings, sizeof(rtl8169_gstrings)); + break; + } +} + +/* + * Interrupt coalescing + * + * > 1 - the availability of the IntrMitigate (0xe2) register through the + * > 8169, 8168 and 810x line of chipsets + * + * 8169, 8168, and 8136(810x) serial chipsets support it. + * + * > 2 - the Tx timer unit at gigabit speed + * + * The unit of the timer depends on both the speed and the setting of CPlusCmd + * (0xe0) bit 1 and bit 0. + * + * For 8169 + * bit[1:0] \ speed 1000M 100M 10M + * 0 0 320ns 2.56us 40.96us + * 0 1 2.56us 20.48us 327.7us + * 1 0 5.12us 40.96us 655.4us + * 1 1 10.24us 81.92us 1.31ms + * + * For the other + * bit[1:0] \ speed 1000M 100M 10M + * 0 0 5us 2.56us 40.96us + * 0 1 40us 20.48us 327.7us + * 1 0 80us 40.96us 655.4us + * 1 1 160us 81.92us 1.31ms + */ + +/* rx/tx scale factors for one particular CPlusCmd[0:1] value */ +struct rtl_coalesce_scale { + /* Rx / Tx */ + u32 nsecs[2]; +}; + +/* rx/tx scale factors for all CPlusCmd[0:1] cases */ +struct rtl_coalesce_info { + u32 speed; + struct rtl_coalesce_scale scalev[4]; /* each CPlusCmd[0:1] case */ +}; + +/* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */ +#define rxtx_x1822(r, t) { \ + {{(r), (t)}}, \ + {{(r)*8, (t)*8}}, \ + {{(r)*8*2, (t)*8*2}}, \ + {{(r)*8*2*2, (t)*8*2*2}}, \ +} +static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = { + /* speed delays: rx00 tx00 */ + { SPEED_10, rxtx_x1822(40960, 40960) }, + { SPEED_100, rxtx_x1822( 2560, 2560) }, + { SPEED_1000, rxtx_x1822( 320, 320) }, + { 0 }, +}; + +static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = { + /* speed delays: rx00 tx00 */ + { SPEED_10, rxtx_x1822(40960, 40960) }, + { SPEED_100, rxtx_x1822( 2560, 2560) }, + { SPEED_1000, rxtx_x1822( 5000, 5000) }, + { 0 }, +}; +#undef rxtx_x1822 + +/* get rx/tx scale vector corresponding to current speed */ +static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct ethtool_link_ksettings ecmd; + const struct rtl_coalesce_info *ci; + int rc; + + rc = phy_ethtool_get_link_ksettings(dev, &ecmd); + if (rc < 0) + return ERR_PTR(rc); + + for (ci = tp->coalesce_info; ci->speed != 0; ci++) { + if (ecmd.base.speed == ci->speed) { + return ci; + } + } + + return ERR_PTR(-ELNRNG); +} + +static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) +{ + struct rtl8169_private *tp = netdev_priv(dev); + const struct rtl_coalesce_info *ci; + const struct rtl_coalesce_scale *scale; + struct { + u32 *max_frames; + u32 *usecs; + } coal_settings [] = { + { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs }, + { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs } + }, *p = coal_settings; + int i; + u16 w; + + memset(ec, 0, sizeof(*ec)); + + /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */ + ci = rtl_coalesce_info(dev); + if (IS_ERR(ci)) + return PTR_ERR(ci); + + scale = &ci->scalev[tp->cp_cmd & INTT_MASK]; + + /* read IntrMitigate and adjust according to scale */ + for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) { + *p->max_frames = (w & RTL_COALESCE_MASK) << 2; + w >>= RTL_COALESCE_SHIFT; + *p->usecs = w & RTL_COALESCE_MASK; + } + + for (i = 0; i < 2; i++) { + p = coal_settings + i; + *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000; + + /* + * ethtool_coalesce says it is illegal to set both usecs and + * max_frames to 0. + */ + if (!*p->usecs && !*p->max_frames) + *p->max_frames = 1; + } + + return 0; +} + +/* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */ +static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale( + struct net_device *dev, u32 nsec, u16 *cp01) +{ + const struct rtl_coalesce_info *ci; + u16 i; + + ci = rtl_coalesce_info(dev); + if (IS_ERR(ci)) + return ERR_CAST(ci); + + for (i = 0; i < 4; i++) { + u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0], + ci->scalev[i].nsecs[1]); + if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) { + *cp01 = i; + return &ci->scalev[i]; + } + } + + return ERR_PTR(-EINVAL); +} + +static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) +{ + struct rtl8169_private *tp = netdev_priv(dev); + const struct rtl_coalesce_scale *scale; + struct { + u32 frames; + u32 usecs; + } coal_settings [] = { + { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs }, + { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs } + }, *p = coal_settings; + u16 w = 0, cp01; + int i; + + scale = rtl_coalesce_choose_scale(dev, + max(p[0].usecs, p[1].usecs) * 1000, &cp01); + if (IS_ERR(scale)) + return PTR_ERR(scale); + + for (i = 0; i < 2; i++, p++) { + u32 units; + + /* + * accept max_frames=1 we returned in rtl_get_coalesce. + * accept it not only when usecs=0 because of e.g. the following scenario: + * + * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX) + * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1 + * - then user does `ethtool -C eth0 rx-usecs 100` + * + * since ethtool sends to kernel whole ethtool_coalesce + * settings, if we do not handle rx_usecs=!0, rx_frames=1 + * we'll reject it below in `frames % 4 != 0`. + */ + if (p->frames == 1) { + p->frames = 0; + } + + units = p->usecs * 1000 / scale->nsecs[i]; + if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4) + return -EINVAL; + + w <<= RTL_COALESCE_SHIFT; + w |= units; + w <<= RTL_COALESCE_SHIFT; + w |= p->frames >> 2; + } + + rtl_lock_work(tp); + + RTL_W16(tp, IntrMitigate, swab16(w)); + + tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + RTL_R16(tp, CPlusCmd); + + rtl_unlock_work(tp); + + return 0; +} + +static const struct ethtool_ops rtl8169_ethtool_ops = { + .get_drvinfo = rtl8169_get_drvinfo, + .get_regs_len = rtl8169_get_regs_len, + .get_link = ethtool_op_get_link, + .get_coalesce = rtl_get_coalesce, + .set_coalesce = rtl_set_coalesce, + .get_msglevel = rtl8169_get_msglevel, + .set_msglevel = rtl8169_set_msglevel, + .get_regs = rtl8169_get_regs, + .get_wol = rtl8169_get_wol, + .set_wol = rtl8169_set_wol, + .get_strings = rtl8169_get_strings, + .get_sset_count = rtl8169_get_sset_count, + .get_ethtool_stats = rtl8169_get_ethtool_stats, + .get_ts_info = ethtool_op_get_ts_info, + .nway_reset = phy_ethtool_nway_reset, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, +}; + +static void rtl8169_get_mac_version(struct rtl8169_private *tp, + u8 default_version) +{ + /* + * The driver currently handles the 8168Bf and the 8168Be identically + * but they can be identified more specifically through the test below + * if needed: + * + * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be + * + * Same thing for the 8101Eb and the 8101Ec: + * + * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec + */ + static const struct rtl_mac_info { + u32 mask; + u32 val; + int mac_version; + } mac_info[] = { + /* 8168EP family. */ + { 0x7cf00000, 0x50200000, RTL_GIGA_MAC_VER_51 }, + { 0x7cf00000, 0x50100000, RTL_GIGA_MAC_VER_50 }, + { 0x7cf00000, 0x50000000, RTL_GIGA_MAC_VER_49 }, + + /* 8168H family. */ + { 0x7cf00000, 0x54100000, RTL_GIGA_MAC_VER_46 }, + { 0x7cf00000, 0x54000000, RTL_GIGA_MAC_VER_45 }, + + /* 8168G family. */ + { 0x7cf00000, 0x5c800000, RTL_GIGA_MAC_VER_44 }, + { 0x7cf00000, 0x50900000, RTL_GIGA_MAC_VER_42 }, + { 0x7cf00000, 0x4c100000, RTL_GIGA_MAC_VER_41 }, + { 0x7cf00000, 0x4c000000, RTL_GIGA_MAC_VER_40 }, + + /* 8168F family. */ + { 0x7c800000, 0x48800000, RTL_GIGA_MAC_VER_38 }, + { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 }, + { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 }, + + /* 8168E family. */ + { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 }, + { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 }, + { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 }, + + /* 8168D family. */ + { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 }, + { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 }, + + /* 8168DP family. */ + { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 }, + { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 }, + { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 }, + + /* 8168C family. */ + { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, + { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, + { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, + { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, + { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, + { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, + { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, + + /* 8168B family. */ + { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, + { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, + { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, + + /* 8101 family. */ + { 0x7c800000, 0x44800000, RTL_GIGA_MAC_VER_39 }, + { 0x7c800000, 0x44000000, RTL_GIGA_MAC_VER_37 }, + { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 }, + { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 }, + { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, + { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, + { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, + { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, + /* FIXME: where did these entries come from ? -- FR */ + { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, + { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, + + /* 8110 family. */ + { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, + { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, + { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, + { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, + { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, + { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, + + /* Catch-all */ + { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE } + }; + const struct rtl_mac_info *p = mac_info; + u32 reg; + + reg = RTL_R32(tp, TxConfig); + while ((reg & p->mask) != p->val) + p++; + tp->mac_version = p->mac_version; + + if (tp->mac_version == RTL_GIGA_MAC_NONE) { + dev_notice(tp_to_dev(tp), + "unknown MAC, using family default\n"); + tp->mac_version = default_version; + } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) { + tp->mac_version = tp->supports_gmii ? + RTL_GIGA_MAC_VER_42 : + RTL_GIGA_MAC_VER_43; + } else if (tp->mac_version == RTL_GIGA_MAC_VER_45) { + tp->mac_version = tp->supports_gmii ? + RTL_GIGA_MAC_VER_45 : + RTL_GIGA_MAC_VER_47; + } else if (tp->mac_version == RTL_GIGA_MAC_VER_46) { + tp->mac_version = tp->supports_gmii ? + RTL_GIGA_MAC_VER_46 : + RTL_GIGA_MAC_VER_48; + } +} + +static void rtl8169_print_mac_version(struct rtl8169_private *tp) +{ + netif_dbg(tp, drv, tp->dev, "mac_version = 0x%02x\n", tp->mac_version); +} + +struct phy_reg { + u16 reg; + u16 val; +}; + +static void rtl_writephy_batch(struct rtl8169_private *tp, + const struct phy_reg *regs, int len) +{ + while (len-- > 0) { + rtl_writephy(tp, regs->reg, regs->val); + regs++; + } +} + +#define PHY_READ 0x00000000 +#define PHY_DATA_OR 0x10000000 +#define PHY_DATA_AND 0x20000000 +#define PHY_BJMPN 0x30000000 +#define PHY_MDIO_CHG 0x40000000 +#define PHY_CLEAR_READCOUNT 0x70000000 +#define PHY_WRITE 0x80000000 +#define PHY_READCOUNT_EQ_SKIP 0x90000000 +#define PHY_COMP_EQ_SKIPN 0xa0000000 +#define PHY_COMP_NEQ_SKIPN 0xb0000000 +#define PHY_WRITE_PREVIOUS 0xc0000000 +#define PHY_SKIPN 0xd0000000 +#define PHY_DELAY_MS 0xe0000000 + +struct fw_info { + u32 magic; + char version[RTL_VER_SIZE]; + __le32 fw_start; + __le32 fw_len; + u8 chksum; +} __packed; + +#define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code)) + +static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) +{ + const struct firmware *fw = rtl_fw->fw; + struct fw_info *fw_info = (struct fw_info *)fw->data; + struct rtl_fw_phy_action *pa = &rtl_fw->phy_action; + char *version = rtl_fw->version; + bool rc = false; + + if (fw->size < FW_OPCODE_SIZE) + goto out; + + if (!fw_info->magic) { + size_t i, size, start; + u8 checksum = 0; + + if (fw->size < sizeof(*fw_info)) + goto out; + + for (i = 0; i < fw->size; i++) + checksum += fw->data[i]; + if (checksum != 0) + goto out; + + start = le32_to_cpu(fw_info->fw_start); + if (start > fw->size) + goto out; + + size = le32_to_cpu(fw_info->fw_len); + if (size > (fw->size - start) / FW_OPCODE_SIZE) + goto out; + + memcpy(version, fw_info->version, RTL_VER_SIZE); + + pa->code = (__le32 *)(fw->data + start); + pa->size = size; + } else { + if (fw->size % FW_OPCODE_SIZE) + goto out; + + strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE); + + pa->code = (__le32 *)fw->data; + pa->size = fw->size / FW_OPCODE_SIZE; + } + version[RTL_VER_SIZE - 1] = 0; + + rc = true; +out: + return rc; +} + +static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev, + struct rtl_fw_phy_action *pa) +{ + bool rc = false; + size_t index; + + for (index = 0; index < pa->size; index++) { + u32 action = le32_to_cpu(pa->code[index]); + u32 regno = (action & 0x0fff0000) >> 16; + + switch(action & 0xf0000000) { + case PHY_READ: + case PHY_DATA_OR: + case PHY_DATA_AND: + case PHY_MDIO_CHG: + case PHY_CLEAR_READCOUNT: + case PHY_WRITE: + case PHY_WRITE_PREVIOUS: + case PHY_DELAY_MS: + break; + + case PHY_BJMPN: + if (regno > index) { + netif_err(tp, ifup, tp->dev, + "Out of range of firmware\n"); + goto out; + } + break; + case PHY_READCOUNT_EQ_SKIP: + if (index + 2 >= pa->size) { + netif_err(tp, ifup, tp->dev, + "Out of range of firmware\n"); + goto out; + } + break; + case PHY_COMP_EQ_SKIPN: + case PHY_COMP_NEQ_SKIPN: + case PHY_SKIPN: + if (index + 1 + regno >= pa->size) { + netif_err(tp, ifup, tp->dev, + "Out of range of firmware\n"); + goto out; + } + break; + + default: + netif_err(tp, ifup, tp->dev, + "Invalid action 0x%08x\n", action); + goto out; + } + } + rc = true; +out: + return rc; +} + +static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) +{ + struct net_device *dev = tp->dev; + int rc = -EINVAL; + + if (!rtl_fw_format_ok(tp, rtl_fw)) { + netif_err(tp, ifup, dev, "invalid firmware\n"); + goto out; + } + + if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action)) + rc = 0; +out: + return rc; +} + +static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw) +{ + struct rtl_fw_phy_action *pa = &rtl_fw->phy_action; + struct mdio_ops org, *ops = &tp->mdio_ops; + u32 predata, count; + size_t index; + + predata = count = 0; + org.write = ops->write; + org.read = ops->read; + + for (index = 0; index < pa->size; ) { + u32 action = le32_to_cpu(pa->code[index]); + u32 data = action & 0x0000ffff; + u32 regno = (action & 0x0fff0000) >> 16; + + if (!action) + break; + + switch(action & 0xf0000000) { + case PHY_READ: + predata = rtl_readphy(tp, regno); + count++; + index++; + break; + case PHY_DATA_OR: + predata |= data; + index++; + break; + case PHY_DATA_AND: + predata &= data; + index++; + break; + case PHY_BJMPN: + index -= regno; + break; + case PHY_MDIO_CHG: + if (data == 0) { + ops->write = org.write; + ops->read = org.read; + } else if (data == 1) { + ops->write = mac_mcu_write; + ops->read = mac_mcu_read; + } + + index++; + break; + case PHY_CLEAR_READCOUNT: + count = 0; + index++; + break; + case PHY_WRITE: + rtl_writephy(tp, regno, data); + index++; + break; + case PHY_READCOUNT_EQ_SKIP: + index += (count == data) ? 2 : 1; + break; + case PHY_COMP_EQ_SKIPN: + if (predata == data) + index += regno; + index++; + break; + case PHY_COMP_NEQ_SKIPN: + if (predata != data) + index += regno; + index++; + break; + case PHY_WRITE_PREVIOUS: + rtl_writephy(tp, regno, predata); + index++; + break; + case PHY_SKIPN: + index += regno + 1; + break; + case PHY_DELAY_MS: + mdelay(data); + index++; + break; + + default: + BUG(); + } + } + + ops->write = org.write; + ops->read = org.read; +} + +static void rtl_release_firmware(struct rtl8169_private *tp) +{ + if (!IS_ERR_OR_NULL(tp->rtl_fw)) { + release_firmware(tp->rtl_fw->fw); + kfree(tp->rtl_fw); + } + tp->rtl_fw = RTL_FIRMWARE_UNKNOWN; +} + +static void rtl_apply_firmware(struct rtl8169_private *tp) +{ + struct rtl_fw *rtl_fw = tp->rtl_fw; + + /* TODO: release firmware once rtl_phy_write_fw signals failures. */ + if (!IS_ERR_OR_NULL(rtl_fw)) + rtl_phy_write_fw(tp, rtl_fw); +} + +static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val) +{ + if (rtl_readphy(tp, reg) != val) + netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n"); + else + rtl_apply_firmware(tp); +} + +static void rtl8169s_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x006e }, + { 0x08, 0x0708 }, + { 0x15, 0x4000 }, + { 0x18, 0x65c7 }, + + { 0x1f, 0x0001 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x0000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf60 }, + { 0x01, 0x0140 }, + { 0x00, 0x0077 }, + { 0x04, 0x7800 }, + { 0x04, 0x7000 }, + + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf0f9 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xa000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf20 }, + { 0x01, 0x0140 }, + { 0x00, 0x00bb }, + { 0x04, 0xb800 }, + { 0x04, 0xb000 }, + + { 0x03, 0xdf41 }, + { 0x02, 0xdc60 }, + { 0x01, 0x6340 }, + { 0x00, 0x007d }, + { 0x04, 0xd800 }, + { 0x04, 0xd000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x100a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + + { 0x1f, 0x0000 }, + { 0x0b, 0x0000 }, + { 0x00, 0x9200 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x01, 0x90d0 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp) +{ + struct pci_dev *pdev = tp->pci_dev; + + if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) || + (pdev->subsystem_device != 0xe000)) + return; + + rtl_writephy(tp, 0x1f, 0x0001); + rtl_writephy(tp, 0x10, 0xf01b); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x14, 0xfb54 }, + { 0x18, 0xf5c7 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl8169scd_hw_phy_config_quirk(tp); +} + +static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0x8480 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x18, 0x67c7 }, + { 0x04, 0x2000 }, + { 0x03, 0x002f }, + { 0x02, 0x4360 }, + { 0x01, 0x0109 }, + { 0x00, 0x3022 }, + { 0x04, 0x2800 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + rtl_writephy(tp, 0x1f, 0x0001); + rtl_patchphy(tp, 0x16, 1 << 0); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0000 }, + { 0x1d, 0x0f00 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x1ec8 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy(tp, 0x1f, 0x0000); + rtl_patchphy(tp, 0x14, 1 << 5); + rtl_patchphy(tp, 0x0d, 1 << 5); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1f, 0x0002 }, + { 0x00, 0x88d4 }, + { 0x01, 0x82b1 }, + { 0x03, 0x7002 }, + { 0x08, 0x9e30 }, + { 0x09, 0x01f0 }, + { 0x0a, 0x5500 }, + { 0x0c, 0x00c8 }, + { 0x1f, 0x0003 }, + { 0x12, 0xc096 }, + { 0x16, 0x000a }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x09, 0x2000 }, + { 0x09, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl_patchphy(tp, 0x14, 1 << 5); + rtl_patchphy(tp, 0x0d, 1 << 5); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x0761 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl_patchphy(tp, 0x16, 1 << 0); + rtl_patchphy(tp, 0x14, 1 << 5); + rtl_patchphy(tp, 0x0d, 1 << 5); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x5461 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl_patchphy(tp, 0x16, 1 << 0); + rtl_patchphy(tp, 0x14, 1 << 5); + rtl_patchphy(tp, 0x0d, 1 << 5); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp) +{ + rtl8168c_3_hw_phy_config(tp); +} + +static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init_0[] = { + /* Channel Estimation */ + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 }, + + /* + * Tx Error Issue + * Enhance line driver power + */ + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 }, + + /* + * Can not link to 1Gbps with bad cable + * Decrease SNR threshold form 21.07dB to 19.04dB + */ + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 } + }; + + rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + /* + * Rx Error Issue + * Fine Tune Switching regulator parameter + */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef); + rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00); + + if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) { + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + { 0x1f, 0x0002 } + }; + int val; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = rtl_readphy(tp, 0x0d); + + if ((val & 0x00ff) != 0x006c) { + static const u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + rtl_writephy(tp, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + rtl_writephy(tp, 0x0d, val | set[i]); + } + } else { + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x6662 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x6662 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + /* RSET couple improve */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_patchphy(tp, 0x0d, 0x0300); + rtl_patchphy(tp, 0x0f, 0x0010); + + /* Fine tune PLL performance */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600); + rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000); + + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x001b); + + rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init_0[] = { + /* Channel Estimation */ + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 }, + + /* + * Tx Error Issue + * Enhance line driver power + */ + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 }, + + /* + * Can not link to 1Gbps with bad cable + * Decrease SNR threshold form 21.07dB to 19.04dB + */ + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 } + }; + + rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) { + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + + { 0x1f, 0x0002 } + }; + int val; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = rtl_readphy(tp, 0x0d); + if ((val & 0x00ff) != 0x006c) { + static const u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + rtl_writephy(tp, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + rtl_writephy(tp, 0x0d, val | set[i]); + } + } else { + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x2642 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x2642 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + /* Fine tune PLL performance */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600); + rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000); + + /* Switching regulator Slew rate */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_patchphy(tp, 0x0f, 0x0017); + + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x001b); + + rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x10, 0x0008 }, + { 0x0d, 0x006c }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0xa4d8 }, + { 0x09, 0x281c }, + { 0x07, 0x2883 }, + { 0x0a, 0x6b35 }, + { 0x1d, 0x3da4 }, + { 0x1c, 0xeffd }, + { 0x14, 0x7f52 }, + { 0x18, 0x7fc6 }, + { 0x08, 0x0601 }, + { 0x06, 0x4063 }, + { 0x10, 0xf074 }, + { 0x1f, 0x0003 }, + { 0x13, 0x0789 }, + { 0x12, 0xf4bd }, + { 0x1a, 0x04fd }, + { 0x14, 0x84b0 }, + { 0x1f, 0x0000 }, + { 0x00, 0x9200 }, + + { 0x1f, 0x0005 }, + { 0x01, 0x0340 }, + { 0x1f, 0x0001 }, + { 0x04, 0x4000 }, + { 0x03, 0x1d21 }, + { 0x02, 0x0c32 }, + { 0x01, 0x0200 }, + { 0x00, 0x5554 }, + { 0x04, 0x4800 }, + { 0x04, 0x4000 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x0023 }, + { 0x16, 0x0000 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x002d }, + { 0x18, 0x0040 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + rtl_patchphy(tp, 0x0d, 1 << 5); +} + +static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + /* Enable Delay cap */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b80 }, + { 0x06, 0xc896 }, + { 0x1f, 0x0000 }, + + /* Channel estimation fine tune */ + { 0x1f, 0x0001 }, + { 0x0b, 0x6c20 }, + { 0x07, 0x2872 }, + { 0x1c, 0xefff }, + { 0x1f, 0x0003 }, + { 0x14, 0x6420 }, + { 0x1f, 0x0000 }, + + /* Update PFM & 10M TX idle timer */ + { 0x1f, 0x0007 }, + { 0x1e, 0x002f }, + { 0x15, 0x1919 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x00ac }, + { 0x18, 0x0006 }, + { 0x1f, 0x0000 } + }; + + rtl_apply_firmware(tp); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + /* DCO enable for 10M IDLE Power */ + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x0023); + rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* For impedance matching */ + rtl_writephy(tp, 0x1f, 0x0002); + rtl_w0w1_phy(tp, 0x08, 0x8000, 0x7f00); + rtl_writephy(tp, 0x1f, 0x0000); + + /* PHY auto speed down */ + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x002d); + rtl_w0w1_phy(tp, 0x18, 0x0050, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b86); + rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000); + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x0020); + rtl_w0w1_phy(tp, 0x15, 0x0000, 0x1100); + rtl_writephy(tp, 0x1f, 0x0006); + rtl_writephy(tp, 0x00, 0x5a00); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x0d, 0x0007); + rtl_writephy(tp, 0x0e, 0x003c); + rtl_writephy(tp, 0x0d, 0x4007); + rtl_writephy(tp, 0x0e, 0x0000); + rtl_writephy(tp, 0x0d, 0x0000); +} + +static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr) +{ + const u16 w[] = { + addr[0] | (addr[1] << 8), + addr[2] | (addr[3] << 8), + addr[4] | (addr[5] << 8) + }; + const struct exgmac_reg e[] = { + { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) }, + { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] }, + { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 }, + { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) } + }; + + rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e)); +} + +static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + /* Enable Delay cap */ + { 0x1f, 0x0004 }, + { 0x1f, 0x0007 }, + { 0x1e, 0x00ac }, + { 0x18, 0x0006 }, + { 0x1f, 0x0002 }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + + /* Channel estimation fine tune */ + { 0x1f, 0x0003 }, + { 0x09, 0xa20f }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + + /* Green Setting */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b5b }, + { 0x06, 0x9222 }, + { 0x05, 0x8b6d }, + { 0x06, 0x8000 }, + { 0x05, 0x8b76 }, + { 0x06, 0x8000 }, + { 0x1f, 0x0000 } + }; + + rtl_apply_firmware(tp); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + /* For 4-corner performance improve */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b80); + rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* PHY auto speed down */ + rtl_writephy(tp, 0x1f, 0x0004); + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x002d); + rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000); + rtl_writephy(tp, 0x1f, 0x0002); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + + /* improve 10M EEE waveform */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b86); + rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Improve 2-pair detection performance */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* EEE setting */ + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0003, 0x0000, ERIAR_EXGMAC); + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x2000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0004); + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x0020); + rtl_w0w1_phy(tp, 0x15, 0x0100, 0x0000); + rtl_writephy(tp, 0x1f, 0x0002); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x0d, 0x0007); + rtl_writephy(tp, 0x0e, 0x003c); + rtl_writephy(tp, 0x0d, 0x4007); + rtl_writephy(tp, 0x0e, 0x0006); + rtl_writephy(tp, 0x0d, 0x0000); + + /* Green feature */ + rtl_writephy(tp, 0x1f, 0x0003); + rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000); + rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x1f, 0x0005); + rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */ + rtl_rar_exgmac_set(tp, tp->dev->dev_addr); +} + +static void rtl8168f_hw_phy_config(struct rtl8169_private *tp) +{ + /* For 4-corner performance improve */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b80); + rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* PHY auto speed down */ + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x002d); + rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + + /* Improve 10M EEE waveform */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b86); + rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + /* Channel estimation fine tune */ + { 0x1f, 0x0003 }, + { 0x09, 0xa20f }, + { 0x1f, 0x0000 }, + + /* Modify green table for giga & fnet */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b55 }, + { 0x06, 0x0000 }, + { 0x05, 0x8b5e }, + { 0x06, 0x0000 }, + { 0x05, 0x8b67 }, + { 0x06, 0x0000 }, + { 0x05, 0x8b70 }, + { 0x06, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0007 }, + { 0x1e, 0x0078 }, + { 0x17, 0x0000 }, + { 0x19, 0x00fb }, + { 0x1f, 0x0000 }, + + /* Modify green table for 10M */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b79 }, + { 0x06, 0xaa00 }, + { 0x1f, 0x0000 }, + + /* Disable hiimpedance detection (RTCT) */ + { 0x1f, 0x0003 }, + { 0x01, 0x328a }, + { 0x1f, 0x0000 } + }; + + rtl_apply_firmware(tp); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl8168f_hw_phy_config(tp); + + /* Improve 2-pair detection performance */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp) +{ + rtl_apply_firmware(tp); + + rtl8168f_hw_phy_config(tp); +} + +static void rtl8411_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + /* Channel estimation fine tune */ + { 0x1f, 0x0003 }, + { 0x09, 0xa20f }, + { 0x1f, 0x0000 }, + + /* Modify green table for giga & fnet */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b55 }, + { 0x06, 0x0000 }, + { 0x05, 0x8b5e }, + { 0x06, 0x0000 }, + { 0x05, 0x8b67 }, + { 0x06, 0x0000 }, + { 0x05, 0x8b70 }, + { 0x06, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0007 }, + { 0x1e, 0x0078 }, + { 0x17, 0x0000 }, + { 0x19, 0x00aa }, + { 0x1f, 0x0000 }, + + /* Modify green table for 10M */ + { 0x1f, 0x0005 }, + { 0x05, 0x8b79 }, + { 0x06, 0xaa00 }, + { 0x1f, 0x0000 }, + + /* Disable hiimpedance detection (RTCT) */ + { 0x1f, 0x0003 }, + { 0x01, 0x328a }, + { 0x1f, 0x0000 } + }; + + + rtl_apply_firmware(tp); + + rtl8168f_hw_phy_config(tp); + + /* Improve 2-pair detection performance */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + /* Modify green table for giga */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b54); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); + rtl_writephy(tp, 0x05, 0x8b5d); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); + rtl_writephy(tp, 0x05, 0x8a7c); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); + rtl_writephy(tp, 0x05, 0x8a7f); + rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000); + rtl_writephy(tp, 0x05, 0x8a82); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); + rtl_writephy(tp, 0x05, 0x8a85); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); + rtl_writephy(tp, 0x05, 0x8a88); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); + rtl_writephy(tp, 0x1f, 0x0000); + + /* uc same-seed solution */ + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* eee setting */ + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC); + rtl_writephy(tp, 0x1f, 0x0005); + rtl_writephy(tp, 0x05, 0x8b85); + rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000); + rtl_writephy(tp, 0x1f, 0x0004); + rtl_writephy(tp, 0x1f, 0x0007); + rtl_writephy(tp, 0x1e, 0x0020); + rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0100); + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x0d, 0x0007); + rtl_writephy(tp, 0x0e, 0x003c); + rtl_writephy(tp, 0x0d, 0x4007); + rtl_writephy(tp, 0x0e, 0x0000); + rtl_writephy(tp, 0x0d, 0x0000); + + /* Green feature */ + rtl_writephy(tp, 0x1f, 0x0003); + rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001); + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp) +{ + rtl_apply_firmware(tp); + + rtl_writephy(tp, 0x1f, 0x0a46); + if (rtl_readphy(tp, 0x10) & 0x0100) { + rtl_writephy(tp, 0x1f, 0x0bcc); + rtl_w0w1_phy(tp, 0x12, 0x0000, 0x8000); + } else { + rtl_writephy(tp, 0x1f, 0x0bcc); + rtl_w0w1_phy(tp, 0x12, 0x8000, 0x0000); + } + + rtl_writephy(tp, 0x1f, 0x0a46); + if (rtl_readphy(tp, 0x13) & 0x0100) { + rtl_writephy(tp, 0x1f, 0x0c41); + rtl_w0w1_phy(tp, 0x15, 0x0002, 0x0000); + } else { + rtl_writephy(tp, 0x1f, 0x0c41); + rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0002); + } + + /* Enable PHY auto speed down */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); + + rtl_writephy(tp, 0x1f, 0x0bcc); + rtl_w0w1_phy(tp, 0x14, 0x0100, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8084); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); + rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); + + /* EEE auto-fallback function */ + rtl_writephy(tp, 0x1f, 0x0a4b); + rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); + + /* Enable UC LPF tune function */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8012); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + + rtl_writephy(tp, 0x1f, 0x0c42); + rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); + + /* Improve SWR Efficiency */ + rtl_writephy(tp, 0x1f, 0x0bcd); + rtl_writephy(tp, 0x14, 0x5065); + rtl_writephy(tp, 0x14, 0xd065); + rtl_writephy(tp, 0x1f, 0x0bc8); + rtl_writephy(tp, 0x11, 0x5655); + rtl_writephy(tp, 0x1f, 0x0bcd); + rtl_writephy(tp, 0x14, 0x1065); + rtl_writephy(tp, 0x14, 0x9065); + rtl_writephy(tp, 0x14, 0x1065); + + /* Check ALDPS bit, disable it if enabled */ + rtl_writephy(tp, 0x1f, 0x0a43); + if (rtl_readphy(tp, 0x10) & 0x0004) + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp) +{ + rtl_apply_firmware(tp); +} + +static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp) +{ + u16 dout_tapbin; + u32 data; + + rtl_apply_firmware(tp); + + /* CHN EST parameters adjust - giga master */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x809b); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800); + rtl_writephy(tp, 0x13, 0x80a2); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00); + rtl_writephy(tp, 0x13, 0x80a4); + rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00); + rtl_writephy(tp, 0x13, 0x809c); + rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00); + rtl_writephy(tp, 0x1f, 0x0000); + + /* CHN EST parameters adjust - giga slave */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x80ad); + rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800); + rtl_writephy(tp, 0x13, 0x80b4); + rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00); + rtl_writephy(tp, 0x13, 0x80ac); + rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00); + rtl_writephy(tp, 0x1f, 0x0000); + + /* CHN EST parameters adjust - fnet */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x808e); + rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00); + rtl_writephy(tp, 0x13, 0x8090); + rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00); + rtl_writephy(tp, 0x13, 0x8092); + rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00); + rtl_writephy(tp, 0x1f, 0x0000); + + /* enable R-tune & PGA-retune function */ + dout_tapbin = 0; + rtl_writephy(tp, 0x1f, 0x0a46); + data = rtl_readphy(tp, 0x13); + data &= 3; + data <<= 2; + dout_tapbin |= data; + data = rtl_readphy(tp, 0x12); + data &= 0xc000; + data >>= 14; + dout_tapbin |= data; + dout_tapbin = ~(dout_tapbin^0x08); + dout_tapbin <<= 12; + dout_tapbin &= 0xf000; + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x827a); + rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); + rtl_writephy(tp, 0x13, 0x827b); + rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); + rtl_writephy(tp, 0x13, 0x827c); + rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); + rtl_writephy(tp, 0x13, 0x827d); + rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); + + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x0811); + rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a42); + rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* enable GPHY 10M */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* SAR ADC performance */ + rtl_writephy(tp, 0x1f, 0x0bca); + rtl_w0w1_phy(tp, 0x17, 0x4000, 0x3000); + rtl_writephy(tp, 0x1f, 0x0000); + + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x803f); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x8047); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x804f); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x8057); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x805f); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x8067); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x13, 0x806f); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* disable phy pfm mode */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Check ALDPS bit, disable it if enabled */ + rtl_writephy(tp, 0x1f, 0x0a43); + if (rtl_readphy(tp, 0x10) & 0x0004) + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp) +{ + u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0; + u16 rlen; + u32 data; + + rtl_apply_firmware(tp); + + /* CHIN EST parameter update */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x808a); + rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f); + rtl_writephy(tp, 0x1f, 0x0000); + + /* enable R-tune & PGA-retune function */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x0811); + rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a42); + rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* enable GPHY 10M */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + r8168_mac_ocp_write(tp, 0xdd02, 0x807d); + data = r8168_mac_ocp_read(tp, 0xdd02); + ioffset_p3 = ((data & 0x80)>>7); + ioffset_p3 <<= 3; + + data = r8168_mac_ocp_read(tp, 0xdd00); + ioffset_p3 |= ((data & (0xe000))>>13); + ioffset_p2 = ((data & (0x1e00))>>9); + ioffset_p1 = ((data & (0x01e0))>>5); + ioffset_p0 = ((data & 0x0010)>>4); + ioffset_p0 <<= 3; + ioffset_p0 |= (data & (0x07)); + data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0); + + if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) || + (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) { + rtl_writephy(tp, 0x1f, 0x0bcf); + rtl_writephy(tp, 0x16, data); + rtl_writephy(tp, 0x1f, 0x0000); + } + + /* Modify rlen (TX LPF corner frequency) level */ + rtl_writephy(tp, 0x1f, 0x0bcd); + data = rtl_readphy(tp, 0x16); + data &= 0x000f; + rlen = 0; + if (data > 3) + rlen = data - 3; + data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12); + rtl_writephy(tp, 0x17, data); + rtl_writephy(tp, 0x1f, 0x0bcd); + rtl_writephy(tp, 0x1f, 0x0000); + + /* disable phy pfm mode */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Check ALDPS bit, disable it if enabled */ + rtl_writephy(tp, 0x1f, 0x0a43); + if (rtl_readphy(tp, 0x10) & 0x0004) + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp) +{ + /* Enable PHY auto speed down */ + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* patch 10M & ALDPS */ + rtl_writephy(tp, 0x1f, 0x0bcc); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100); + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8084); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); + rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Enable EEE auto-fallback function */ + rtl_writephy(tp, 0x1f, 0x0a4b); + rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Enable UC LPF tune function */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8012); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* set rg_sel_sdm_rate */ + rtl_writephy(tp, 0x1f, 0x0c42); + rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Check ALDPS bit, disable it if enabled */ + rtl_writephy(tp, 0x1f, 0x0a43); + if (rtl_readphy(tp, 0x10) & 0x0004) + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp) +{ + /* patch 10M & ALDPS */ + rtl_writephy(tp, 0x1f, 0x0bcc); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x0100); + rtl_writephy(tp, 0x1f, 0x0a44); + rtl_w0w1_phy(tp, 0x11, 0x00c0, 0x0000); + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8084); + rtl_w0w1_phy(tp, 0x14, 0x0000, 0x6000); + rtl_w0w1_phy(tp, 0x10, 0x1003, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Enable UC LPF tune function */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8012); + rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Set rg_sel_sdm_rate */ + rtl_writephy(tp, 0x1f, 0x0c42); + rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Channel estimation parameters */ + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x80f3); + rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff); + rtl_writephy(tp, 0x13, 0x80f0); + rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff); + rtl_writephy(tp, 0x13, 0x80ef); + rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff); + rtl_writephy(tp, 0x13, 0x80f6); + rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff); + rtl_writephy(tp, 0x13, 0x80ec); + rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff); + rtl_writephy(tp, 0x13, 0x80ed); + rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); + rtl_writephy(tp, 0x13, 0x80f2); + rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff); + rtl_writephy(tp, 0x13, 0x80f4); + rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff); + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x8110); + rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff); + rtl_writephy(tp, 0x13, 0x810f); + rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff); + rtl_writephy(tp, 0x13, 0x8111); + rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff); + rtl_writephy(tp, 0x13, 0x8113); + rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff); + rtl_writephy(tp, 0x13, 0x8115); + rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff); + rtl_writephy(tp, 0x13, 0x810e); + rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff); + rtl_writephy(tp, 0x13, 0x810c); + rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); + rtl_writephy(tp, 0x13, 0x810b); + rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff); + rtl_writephy(tp, 0x1f, 0x0a43); + rtl_writephy(tp, 0x13, 0x80d1); + rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff); + rtl_writephy(tp, 0x13, 0x80cd); + rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff); + rtl_writephy(tp, 0x13, 0x80d3); + rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff); + rtl_writephy(tp, 0x13, 0x80d5); + rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff); + rtl_writephy(tp, 0x13, 0x80d7); + rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff); + + /* Force PWM-mode */ + rtl_writephy(tp, 0x1f, 0x0bcd); + rtl_writephy(tp, 0x14, 0x5065); + rtl_writephy(tp, 0x14, 0xd065); + rtl_writephy(tp, 0x1f, 0x0bc8); + rtl_writephy(tp, 0x12, 0x00ed); + rtl_writephy(tp, 0x1f, 0x0bcd); + rtl_writephy(tp, 0x14, 0x1065); + rtl_writephy(tp, 0x14, 0x9065); + rtl_writephy(tp, 0x14, 0x1065); + rtl_writephy(tp, 0x1f, 0x0000); + + /* Check ALDPS bit, disable it if enabled */ + rtl_writephy(tp, 0x1f, 0x0a43); + if (rtl_readphy(tp, 0x10) & 0x0004) + rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0004); + + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8102e_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0003 }, + { 0x08, 0x441d }, + { 0x01, 0x9100 }, + { 0x1f, 0x0000 } + }; + + rtl_writephy(tp, 0x1f, 0x0000); + rtl_patchphy(tp, 0x11, 1 << 12); + rtl_patchphy(tp, 0x19, 1 << 13); + rtl_patchphy(tp, 0x10, 1 << 15); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8105e_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0005 }, + { 0x1a, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0004 }, + { 0x1c, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x15, 0x7701 }, + { 0x1f, 0x0000 } + }; + + /* Disable ALDPS before ram code */ + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x18, 0x0310); + msleep(100); + + rtl_apply_firmware(tp); + + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8402_hw_phy_config(struct rtl8169_private *tp) +{ + /* Disable ALDPS before setting firmware */ + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x18, 0x0310); + msleep(20); + + rtl_apply_firmware(tp); + + /* EEE setting */ + rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_writephy(tp, 0x1f, 0x0004); + rtl_writephy(tp, 0x10, 0x401f); + rtl_writephy(tp, 0x19, 0x7030); + rtl_writephy(tp, 0x1f, 0x0000); +} + +static void rtl8106e_hw_phy_config(struct rtl8169_private *tp) +{ + static const struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0004 }, + { 0x10, 0xc07f }, + { 0x19, 0x7030 }, + { 0x1f, 0x0000 } + }; + + /* Disable ALDPS before ram code */ + rtl_writephy(tp, 0x1f, 0x0000); + rtl_writephy(tp, 0x18, 0x0310); + msleep(100); + + rtl_apply_firmware(tp); + + rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); +} + +static void rtl_hw_phy_config(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_print_mac_version(tp); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01: + break; + case RTL_GIGA_MAC_VER_02: + case RTL_GIGA_MAC_VER_03: + rtl8169s_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_04: + rtl8169sb_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_05: + rtl8169scd_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_06: + rtl8169sce_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_07: + case RTL_GIGA_MAC_VER_08: + case RTL_GIGA_MAC_VER_09: + rtl8102e_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_11: + rtl8168bb_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_12: + rtl8168bef_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_17: + rtl8168bef_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_18: + rtl8168cp_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_19: + rtl8168c_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_20: + rtl8168c_2_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_21: + rtl8168c_3_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_22: + rtl8168c_4_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + rtl8168cp_2_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_25: + rtl8168d_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_26: + rtl8168d_2_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_27: + rtl8168d_3_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_28: + rtl8168d_4_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_29: + case RTL_GIGA_MAC_VER_30: + rtl8105e_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_31: + /* None. */ + break; + case RTL_GIGA_MAC_VER_32: + case RTL_GIGA_MAC_VER_33: + rtl8168e_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_34: + rtl8168e_2_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_35: + rtl8168f_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_36: + rtl8168f_2_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_37: + rtl8402_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_38: + rtl8411_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_39: + rtl8106e_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_40: + rtl8168g_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_42: + case RTL_GIGA_MAC_VER_43: + case RTL_GIGA_MAC_VER_44: + rtl8168g_2_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_45: + case RTL_GIGA_MAC_VER_47: + rtl8168h_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_46: + case RTL_GIGA_MAC_VER_48: + rtl8168h_2_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_49: + rtl8168ep_1_hw_phy_config(tp); + break; + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + rtl8168ep_2_hw_phy_config(tp); + break; + + case RTL_GIGA_MAC_VER_41: + default: + break; + } +} + +static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag) +{ + if (!test_and_set_bit(flag, tp->wk.flags)) + schedule_work(&tp->wk.work); +} + +static bool rtl_tbi_enabled(struct rtl8169_private *tp) +{ + return (tp->mac_version == RTL_GIGA_MAC_VER_01) && + (RTL_R8(tp, PHYstatus) & TBI_Enable); +} + +static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) +{ + rtl_hw_phy_config(dev); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { + netif_dbg(tp, drv, dev, + "Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(tp, 0x82, 0x01); + } + + pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) + pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); + + if (tp->mac_version == RTL_GIGA_MAC_VER_02) { + netif_dbg(tp, drv, dev, + "Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(tp, 0x82, 0x01); + netif_dbg(tp, drv, dev, + "Set PHY Reg 0x0bh = 0x00h\n"); + rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0 + } + + /* We may have called phy_speed_down before */ + phy_speed_up(dev->phydev); + + genphy_soft_reset(dev->phydev); + + /* It was reported that several chips end up with 10MBit/Half on a + * 1GBit link after resuming from S3. For whatever reason the PHY on + * these chips doesn't properly start a renegotiation when soft-reset. + * Explicitly requesting a renegotiation fixes this. + */ + if (dev->phydev->autoneg == AUTONEG_ENABLE) + phy_restart_aneg(dev->phydev); +} + +static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) +{ + rtl_lock_work(tp); + + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + + RTL_W32(tp, MAC4, addr[4] | addr[5] << 8); + RTL_R32(tp, MAC4); + + RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); + RTL_R32(tp, MAC0); + + if (tp->mac_version == RTL_GIGA_MAC_VER_34) + rtl_rar_exgmac_set(tp, addr); + + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + + rtl_unlock_work(tp); +} + +static void rtl_init_rxcfg(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: + RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: + case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: + case RTL_GIGA_MAC_VER_38: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; + default: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); + break; + } +} + +static int rtl_set_mac_address(struct net_device *dev, void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct device *d = tp_to_dev(tp); + int ret; + + ret = eth_mac_addr(dev, p); + if (ret) + return ret; + + pm_runtime_get_noresume(d); + + if (pm_runtime_active(d)) + rtl_rar_set(tp, dev->dev_addr); + + pm_runtime_put_noidle(d); + + /* Reportedly at least Asus X453MA truncates packets otherwise */ + if (tp->mac_version == RTL_GIGA_MAC_VER_37) + rtl_init_rxcfg(tp); + + return 0; +} + +static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + if (!netif_running(dev)) + return -ENODEV; + + return phy_mii_ioctl(dev->phydev, ifr, cmd); +} + +static void rtl_init_mdio_ops(struct rtl8169_private *tp) +{ + struct mdio_ops *ops = &tp->mdio_ops; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + ops->write = r8168dp_1_mdio_write; + ops->read = r8168dp_1_mdio_read; + break; + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + ops->write = r8168dp_2_mdio_write; + ops->read = r8168dp_2_mdio_read; + break; + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + ops->write = r8168g_mdio_write; + ops->read = r8168g_mdio_read; + break; + default: + ops->write = r8169_mdio_write; + ops->read = r8169_mdio_read; + break; + } +} + +static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_29: + case RTL_GIGA_MAC_VER_30: + case RTL_GIGA_MAC_VER_32: + case RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_34: + case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51: + RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) | + AcceptBroadcast | AcceptMulticast | AcceptMyPhys); + break; + default: + break; + } +} + +static bool rtl_wol_pll_power_down(struct rtl8169_private *tp) +{ + struct phy_device *phydev; + + if (!__rtl8169_get_wol(tp)) + return false; + + /* phydev may not be attached to netdevice */ + phydev = mdiobus_get_phy(tp->mii_bus, 0); + + phy_speed_down(phydev, false); + rtl_wol_suspend_quirk(tp); + + return true; +} + +static void r8168_pll_power_down(struct rtl8169_private *tp) +{ + if (r8168_check_dash(tp)) + return; + + if (tp->mac_version == RTL_GIGA_MAC_VER_32 || + tp->mac_version == RTL_GIGA_MAC_VER_33) + rtl_ephy_write(tp, 0x19, 0xff64); + + if (rtl_wol_pll_power_down(tp)) + return; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30: + case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_37: + case RTL_GIGA_MAC_VER_39: + case RTL_GIGA_MAC_VER_43: + case RTL_GIGA_MAC_VER_44: + case RTL_GIGA_MAC_VER_45: + case RTL_GIGA_MAC_VER_46: + case RTL_GIGA_MAC_VER_47: + case RTL_GIGA_MAC_VER_48: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); + break; + case RTL_GIGA_MAC_VER_40: + case RTL_GIGA_MAC_VER_41: + case RTL_GIGA_MAC_VER_49: + rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000, + 0xfc000000, ERIAR_EXGMAC); + RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); + break; + } +} + +static void r8168_pll_power_up(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30: + case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_37: + case RTL_GIGA_MAC_VER_39: + case RTL_GIGA_MAC_VER_43: + RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80); + break; + case RTL_GIGA_MAC_VER_44: + case RTL_GIGA_MAC_VER_45: + case RTL_GIGA_MAC_VER_46: + case RTL_GIGA_MAC_VER_47: + case RTL_GIGA_MAC_VER_48: + case RTL_GIGA_MAC_VER_50: + case RTL_GIGA_MAC_VER_51: + RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); + break; + case RTL_GIGA_MAC_VER_40: + case RTL_GIGA_MAC_VER_41: + case RTL_GIGA_MAC_VER_49: + RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); + rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000, + 0x00000000, ERIAR_EXGMAC); + break; + } + + phy_resume(tp->dev->phydev); + /* give MAC/PHY some time to resume */ + msleep(20); +} + +static void rtl_pll_power_down(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: + break; + default: + r8168_pll_power_down(tp); + } +} + +static void rtl_pll_power_up(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: + break; + default: + r8168_pll_power_up(tp); + } +} + +static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) +{ + tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0; +} + +static void rtl_hw_jumbo_enable(struct rtl8169_private *tp) +{ + if (tp->jumbo_ops.enable) { + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + tp->jumbo_ops.enable(tp); + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + } +} + +static void rtl_hw_jumbo_disable(struct rtl8169_private *tp) +{ + if (tp->jumbo_ops.disable) { + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + tp->jumbo_ops.disable(tp); + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + } +} + +static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); + RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1); + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); +} + +static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); + RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1); + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); +} + +static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); +} + +static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); +} + +static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp) +{ + RTL_W8(tp, MaxTxPacketSize, 0x24); + RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); + RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01); + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); +} + +static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp) +{ + RTL_W8(tp, MaxTxPacketSize, 0x3f); + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); + RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01); + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); +} + +static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp) +{ + rtl_tx_performance_tweak(tp, + PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN); +} + +static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp) +{ + rtl_tx_performance_tweak(tp, + PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN); +} + +static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp) +{ + r8168b_0_hw_jumbo_enable(tp); + + RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0)); +} + +static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp) +{ + r8168b_0_hw_jumbo_disable(tp); + + RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); +} + +static void rtl_init_jumbo_ops(struct rtl8169_private *tp) +{ + struct jumbo_ops *ops = &tp->jumbo_ops; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + ops->disable = r8168b_0_hw_jumbo_disable; + ops->enable = r8168b_0_hw_jumbo_enable; + break; + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + ops->disable = r8168b_1_hw_jumbo_disable; + ops->enable = r8168b_1_hw_jumbo_enable; + break; + case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */ + case RTL_GIGA_MAC_VER_19: + case RTL_GIGA_MAC_VER_20: + case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */ + case RTL_GIGA_MAC_VER_22: + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + ops->disable = r8168c_hw_jumbo_disable; + ops->enable = r8168c_hw_jumbo_enable; + break; + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + ops->disable = r8168dp_hw_jumbo_disable; + ops->enable = r8168dp_hw_jumbo_enable; + break; + case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */ + case RTL_GIGA_MAC_VER_32: + case RTL_GIGA_MAC_VER_33: + case RTL_GIGA_MAC_VER_34: + ops->disable = r8168e_hw_jumbo_disable; + ops->enable = r8168e_hw_jumbo_enable; + break; + + /* + * No action needed for jumbo frames with 8169. + * No jumbo for 810x at all. + */ + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + default: + ops->disable = NULL; + ops->enable = NULL; + break; + } +} + +DECLARE_RTL_COND(rtl_chipcmd_cond) +{ + return RTL_R8(tp, ChipCmd) & CmdReset; +} + +static void rtl_hw_reset(struct rtl8169_private *tp) +{ + RTL_W8(tp, ChipCmd, CmdReset); + + rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100); +} + +static void rtl_request_uncached_firmware(struct rtl8169_private *tp) +{ + struct rtl_fw *rtl_fw; + const char *name; + int rc = -ENOMEM; + + name = rtl_lookup_firmware_name(tp); + if (!name) + goto out_no_firmware; + + rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL); + if (!rtl_fw) + goto err_warn; + + rc = request_firmware(&rtl_fw->fw, name, tp_to_dev(tp)); + if (rc < 0) + goto err_free; + + rc = rtl_check_firmware(tp, rtl_fw); + if (rc < 0) + goto err_release_firmware; + + tp->rtl_fw = rtl_fw; +out: + return; + +err_release_firmware: + release_firmware(rtl_fw->fw); +err_free: + kfree(rtl_fw); +err_warn: + netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n", + name, rc); +out_no_firmware: + tp->rtl_fw = NULL; + goto out; +} + +static void rtl_request_firmware(struct rtl8169_private *tp) +{ + if (IS_ERR(tp->rtl_fw)) + rtl_request_uncached_firmware(tp); +} + +static void rtl_rx_close(struct rtl8169_private *tp) +{ + RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK); +} + +DECLARE_RTL_COND(rtl_npq_cond) +{ + return RTL_R8(tp, TxPoll) & NPQ; +} + +DECLARE_RTL_COND(rtl_txcfg_empty_cond) +{ + return RTL_R32(tp, TxConfig) & TXCFG_EMPTY; +} + +static void rtl8169_hw_reset(struct rtl8169_private *tp) +{ + /* Disable interrupts */ + rtl8169_irq_mask_and_ack(tp); + + rtl_rx_close(tp); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: + case RTL_GIGA_MAC_VER_31: + rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42); + break; + case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); + rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666); + break; + default: + RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); + udelay(100); + break; + } + + rtl_hw_reset(tp); +} + +static void rtl_set_tx_config_registers(struct rtl8169_private *tp) +{ + u32 val = TX_DMA_BURST << TxDMAShift | + InterFrameGap << TxInterFrameGapShift; + + if (tp->mac_version >= RTL_GIGA_MAC_VER_34 && + tp->mac_version != RTL_GIGA_MAC_VER_39) + val |= TXCFG_AUTO_FIFO; + + RTL_W32(tp, TxConfig, val); +} + +static void rtl_set_rx_max_size(struct rtl8169_private *tp) +{ + /* Low hurts. Let's disable the filtering. */ + RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1); +} + +static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp) +{ + /* + * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh + * register to be written before TxDescAddrLow to work. + * Switching from MMIO to I/O access fixes the issue as well. + */ + RTL_W32(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); + RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32)); + RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); + RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32)); +} + +static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version) +{ + static const struct rtl_cfg2_info { + u32 mac_version; + u32 clk; + u32 val; + } cfg2_info [] = { + { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd + { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, + { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe + { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } + }; + const struct rtl_cfg2_info *p = cfg2_info; + unsigned int i; + u32 clk; + + clk = RTL_R8(tp, Config2) & PCI_Clock_66MHz; + for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { + if ((p->mac_version == mac_version) && (p->clk == clk)) { + RTL_W32(tp, 0x7c, p->val); + break; + } + } +} + +static void rtl_set_rx_mode(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + u32 mc_filter[2]; /* Multicast hash filter */ + int rx_mode; + u32 tmp = 0; + + if (dev->flags & IFF_PROMISC) { + /* Unconditionally log net taps. */ + netif_notice(tp, link, dev, "Promiscuous mode enabled\n"); + rx_mode = + AcceptBroadcast | AcceptMulticast | AcceptMyPhys | + AcceptAllPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else if ((netdev_mc_count(dev) > multicast_filter_limit) || + (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else { + struct netdev_hw_addr *ha; + + rx_mode = AcceptBroadcast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0; + netdev_for_each_mc_addr(ha, dev) { + int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + rx_mode |= AcceptMulticast; + } + } + + if (dev->features & NETIF_F_RXALL) + rx_mode |= (AcceptErr | AcceptRunt); + + tmp = (RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode; + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) { + u32 data = mc_filter[0]; + + mc_filter[0] = swab32(mc_filter[1]); + mc_filter[1] = swab32(data); + } + + if (tp->mac_version == RTL_GIGA_MAC_VER_35) + mc_filter[1] = mc_filter[0] = 0xffffffff; + + RTL_W32(tp, MAR0 + 4, mc_filter[1]); + RTL_W32(tp, MAR0 + 0, mc_filter[0]); + + RTL_W32(tp, RxConfig, tmp); +} + +static void rtl_hw_start(struct rtl8169_private *tp) +{ + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + + tp->hw_start(tp); + + rtl_set_rx_max_size(tp); + rtl_set_rx_tx_desc_registers(tp); + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + + /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ + RTL_R8(tp, IntrMask); + RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); + rtl_init_rxcfg(tp); + rtl_set_tx_config_registers(tp); + + rtl_set_rx_mode(tp->dev); + /* no early-rx interrupts */ + RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000); + rtl_irq_enable_all(tp); +} + +static void rtl_hw_start_8169(struct rtl8169_private *tp) +{ + if (tp->mac_version == RTL_GIGA_MAC_VER_05) + pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); + + RTL_W8(tp, EarlyTxThres, NoEarlyTx); + + tp->cp_cmd |= PCIMulRW; + + if (tp->mac_version == RTL_GIGA_MAC_VER_02 || + tp->mac_version == RTL_GIGA_MAC_VER_03) { + netif_dbg(tp, drv, tp->dev, + "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n"); + tp->cp_cmd |= (1 << 14); + } + + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + + rtl8169_set_magic_reg(tp, tp->mac_version); + + /* + * Undocumented corner. Supposedly: + * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets + */ + RTL_W16(tp, IntrMitigate, 0x0000); + + RTL_W32(tp, RxMissed, 0); +} + +DECLARE_RTL_COND(rtl_csiar_cond) +{ + return RTL_R32(tp, CSIAR) & CSIAR_FLAG; +} + +static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value) +{ + u32 func = PCI_FUNC(tp->pci_dev->devfn); + + RTL_W32(tp, CSIDR, value); + RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE | func << 16); + + rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100); +} + +static u32 rtl_csi_read(struct rtl8169_private *tp, int addr) +{ + u32 func = PCI_FUNC(tp->pci_dev->devfn); + + RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 | + CSIAR_BYTE_ENABLE); + + return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ? + RTL_R32(tp, CSIDR) : ~0; +} + +static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val) +{ + struct pci_dev *pdev = tp->pci_dev; + u32 csi; + + /* According to Realtek the value at config space address 0x070f + * controls the L0s/L1 entrance latency. We try standard ECAM access + * first and if it fails fall back to CSI. + */ + if (pdev->cfg_size > 0x070f && + pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL) + return; + + netdev_notice_once(tp->dev, + "No native access to PCI extended config space, falling back to CSI\n"); + csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff; + rtl_csi_write(tp, 0x070c, csi | val << 24); +} + +static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp) +{ + rtl_csi_access_enable(tp, 0x27); +} + +struct ephy_info { + unsigned int offset; + u16 mask; + u16 bits; +}; + +static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e, + int len) +{ + u16 w; + + while (len-- > 0) { + w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits; + rtl_ephy_write(tp, e->offset, w); + e++; + } +} + +static void rtl_disable_clock_request(struct rtl8169_private *tp) +{ + pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_CLKREQ_EN); +} + +static void rtl_enable_clock_request(struct rtl8169_private *tp) +{ + pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_CLKREQ_EN); +} + +static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable) +{ + u8 data; + + data = RTL_R8(tp, Config3); + + if (enable) + data |= Rdy_to_L23; + else + data &= ~Rdy_to_L23; + + RTL_W8(tp, Config3, data); +} + +static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) +{ + if (enable) { + RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en); + RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn); + } else { + RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); + RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); + } + + udelay(10); +} + +static void rtl_hw_start_8168bb(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + + if (tp->dev->mtu <= ETH_DATA_LEN) { + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B | + PCI_EXP_DEVCTL_NOSNOOP_EN); + } +} + +static void rtl_hw_start_8168bef(struct rtl8169_private *tp) +{ + rtl_hw_start_8168bb(tp); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); +} + +static void __rtl_hw_start_8168cp(struct rtl8169_private *tp) +{ + RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down); + + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_disable_clock_request(tp); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); +} + +static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168cp[] = { + { 0x01, 0, 0x0001 }, + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0042 }, + { 0x06, 0x0080, 0x0000 }, + { 0x07, 0, 0x2000 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); + + __rtl_hw_start_8168cp(tp); +} + +static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); +} + +static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); + + /* Magic. */ + RTL_W8(tp, DBG_REG, 0x20); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); +} + +static void rtl_hw_start_8168c_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168c_1[] = { + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0002 }, + { 0x06, 0x0080, 0x0000 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); + + rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); + + __rtl_hw_start_8168cp(tp); +} + +static void rtl_hw_start_8168c_2(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168c_2[] = { + { 0x01, 0, 0x0001 }, + { 0x03, 0x0400, 0x0220 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); + + __rtl_hw_start_8168cp(tp); +} + +static void rtl_hw_start_8168c_3(struct rtl8169_private *tp) +{ + rtl_hw_start_8168c_2(tp); +} + +static void rtl_hw_start_8168c_4(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + __rtl_hw_start_8168cp(tp); +} + +static void rtl_hw_start_8168d(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + rtl_disable_clock_request(tp); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); +} + +static void rtl_hw_start_8168dp(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + rtl_disable_clock_request(tp); +} + +static void rtl_hw_start_8168d_4(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168d_4[] = { + { 0x0b, 0x0000, 0x0048 }, + { 0x19, 0x0020, 0x0050 }, + { 0x0c, 0x0100, 0x0020 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + rtl_ephy_init(tp, e_info_8168d_4, ARRAY_SIZE(e_info_8168d_4)); + + rtl_enable_clock_request(tp); +} + +static void rtl_hw_start_8168e_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168e_1[] = { + { 0x00, 0x0200, 0x0100 }, + { 0x00, 0x0000, 0x0004 }, + { 0x06, 0x0002, 0x0001 }, + { 0x06, 0x0000, 0x0030 }, + { 0x07, 0x0000, 0x2000 }, + { 0x00, 0x0000, 0x0020 }, + { 0x03, 0x5800, 0x2000 }, + { 0x03, 0x0000, 0x0001 }, + { 0x01, 0x0800, 0x1000 }, + { 0x07, 0x0000, 0x4000 }, + { 0x1e, 0x0000, 0x2000 }, + { 0x19, 0xffff, 0xfe6c }, + { 0x0a, 0x0000, 0x0040 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1)); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + rtl_disable_clock_request(tp); + + /* Reset tx FIFO pointer */ + RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST); + RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST); + + RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); +} + +static void rtl_hw_start_8168e_2(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168e_2[] = { + { 0x09, 0x0000, 0x0080 }, + { 0x19, 0x0000, 0x0224 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2)); + + if (tp->dev->mtu <= ETH_DATA_LEN) + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); + + RTL_W8(tp, MaxTxPacketSize, EarlySize); + + rtl_disable_clock_request(tp); + + RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); + + /* Adjust EEE LED frequency */ + RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); + RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); + RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168f(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC); + + RTL_W8(tp, MaxTxPacketSize, EarlySize); + + rtl_disable_clock_request(tp); + + RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); + RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); + RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); +} + +static void rtl_hw_start_8168f_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168f_1[] = { + { 0x06, 0x00c0, 0x0020 }, + { 0x08, 0x0001, 0x0002 }, + { 0x09, 0x0000, 0x0080 }, + { 0x19, 0x0000, 0x0224 } + }; + + rtl_hw_start_8168f(tp); + + rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); + + rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); + + /* Adjust EEE LED frequency */ + RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); +} + +static void rtl_hw_start_8411(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168f_1[] = { + { 0x06, 0x00c0, 0x0020 }, + { 0x0f, 0xffff, 0x5200 }, + { 0x1e, 0x0000, 0x4000 }, + { 0x19, 0x0000, 0x0224 } + }; + + rtl_hw_start_8168f(tp); + rtl_pcie_state_l2l3_enable(tp, false); + + rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); + + rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC); +} + +static void rtl_hw_start_8168g(struct rtl8169_private *tp) +{ + rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); + + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); + rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC); + + RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); + RTL_W8(tp, MaxTxPacketSize, EarlySize); + + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + + /* Adjust EEE LED frequency */ + RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); + + rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); +} + +static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168g_1[] = { + { 0x00, 0x0000, 0x0008 }, + { 0x0c, 0x37d0, 0x0820 }, + { 0x1e, 0x0000, 0x0001 }, + { 0x19, 0x8000, 0x0000 } + }; + + rtl_hw_start_8168g(tp); + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8168g_1, ARRAY_SIZE(e_info_8168g_1)); + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168g_2[] = { + { 0x00, 0x0000, 0x0008 }, + { 0x0c, 0x3df0, 0x0200 }, + { 0x19, 0xffff, 0xfc00 }, + { 0x1e, 0xffff, 0x20eb } + }; + + rtl_hw_start_8168g(tp); + + /* disable aspm and clock request before access ephy */ + RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); + RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); + rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2)); +} + +static void rtl_hw_start_8411_2(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8411_2[] = { + { 0x00, 0x0000, 0x0008 }, + { 0x0c, 0x3df0, 0x0200 }, + { 0x0f, 0xffff, 0x5200 }, + { 0x19, 0x0020, 0x0000 }, + { 0x1e, 0x0000, 0x2000 } + }; + + rtl_hw_start_8168g(tp); + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2)); + + /* The following Realtek-provided magic fixes an issue with the RX unit + * getting confused after the PHY having been powered-down. + */ + r8168_mac_ocp_write(tp, 0xFC28, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2A, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2C, 0x0000); + r8168_mac_ocp_write(tp, 0xFC2E, 0x0000); + r8168_mac_ocp_write(tp, 0xFC30, 0x0000); + r8168_mac_ocp_write(tp, 0xFC32, 0x0000); + r8168_mac_ocp_write(tp, 0xFC34, 0x0000); + r8168_mac_ocp_write(tp, 0xFC36, 0x0000); + mdelay(3); + r8168_mac_ocp_write(tp, 0xFC26, 0x0000); + + r8168_mac_ocp_write(tp, 0xF800, 0xE008); + r8168_mac_ocp_write(tp, 0xF802, 0xE00A); + r8168_mac_ocp_write(tp, 0xF804, 0xE00C); + r8168_mac_ocp_write(tp, 0xF806, 0xE00E); + r8168_mac_ocp_write(tp, 0xF808, 0xE027); + r8168_mac_ocp_write(tp, 0xF80A, 0xE04F); + r8168_mac_ocp_write(tp, 0xF80C, 0xE05E); + r8168_mac_ocp_write(tp, 0xF80E, 0xE065); + r8168_mac_ocp_write(tp, 0xF810, 0xC602); + r8168_mac_ocp_write(tp, 0xF812, 0xBE00); + r8168_mac_ocp_write(tp, 0xF814, 0x0000); + r8168_mac_ocp_write(tp, 0xF816, 0xC502); + r8168_mac_ocp_write(tp, 0xF818, 0xBD00); + r8168_mac_ocp_write(tp, 0xF81A, 0x074C); + r8168_mac_ocp_write(tp, 0xF81C, 0xC302); + r8168_mac_ocp_write(tp, 0xF81E, 0xBB00); + r8168_mac_ocp_write(tp, 0xF820, 0x080A); + r8168_mac_ocp_write(tp, 0xF822, 0x6420); + r8168_mac_ocp_write(tp, 0xF824, 0x48C2); + r8168_mac_ocp_write(tp, 0xF826, 0x8C20); + r8168_mac_ocp_write(tp, 0xF828, 0xC516); + r8168_mac_ocp_write(tp, 0xF82A, 0x64A4); + r8168_mac_ocp_write(tp, 0xF82C, 0x49C0); + r8168_mac_ocp_write(tp, 0xF82E, 0xF009); + r8168_mac_ocp_write(tp, 0xF830, 0x74A2); + r8168_mac_ocp_write(tp, 0xF832, 0x8CA5); + r8168_mac_ocp_write(tp, 0xF834, 0x74A0); + r8168_mac_ocp_write(tp, 0xF836, 0xC50E); + r8168_mac_ocp_write(tp, 0xF838, 0x9CA2); + r8168_mac_ocp_write(tp, 0xF83A, 0x1C11); + r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0); + r8168_mac_ocp_write(tp, 0xF83E, 0xE006); + r8168_mac_ocp_write(tp, 0xF840, 0x74F8); + r8168_mac_ocp_write(tp, 0xF842, 0x48C4); + r8168_mac_ocp_write(tp, 0xF844, 0x8CF8); + r8168_mac_ocp_write(tp, 0xF846, 0xC404); + r8168_mac_ocp_write(tp, 0xF848, 0xBC00); + r8168_mac_ocp_write(tp, 0xF84A, 0xC403); + r8168_mac_ocp_write(tp, 0xF84C, 0xBC00); + r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2); + r8168_mac_ocp_write(tp, 0xF850, 0x0C0A); + r8168_mac_ocp_write(tp, 0xF852, 0xE434); + r8168_mac_ocp_write(tp, 0xF854, 0xD3C0); + r8168_mac_ocp_write(tp, 0xF856, 0x49D9); + r8168_mac_ocp_write(tp, 0xF858, 0xF01F); + r8168_mac_ocp_write(tp, 0xF85A, 0xC526); + r8168_mac_ocp_write(tp, 0xF85C, 0x64A5); + r8168_mac_ocp_write(tp, 0xF85E, 0x1400); + r8168_mac_ocp_write(tp, 0xF860, 0xF007); + r8168_mac_ocp_write(tp, 0xF862, 0x0C01); + r8168_mac_ocp_write(tp, 0xF864, 0x8CA5); + r8168_mac_ocp_write(tp, 0xF866, 0x1C15); + r8168_mac_ocp_write(tp, 0xF868, 0xC51B); + r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0); + r8168_mac_ocp_write(tp, 0xF86C, 0xE013); + r8168_mac_ocp_write(tp, 0xF86E, 0xC519); + r8168_mac_ocp_write(tp, 0xF870, 0x74A0); + r8168_mac_ocp_write(tp, 0xF872, 0x48C4); + r8168_mac_ocp_write(tp, 0xF874, 0x8CA0); + r8168_mac_ocp_write(tp, 0xF876, 0xC516); + r8168_mac_ocp_write(tp, 0xF878, 0x74A4); + r8168_mac_ocp_write(tp, 0xF87A, 0x48C8); + r8168_mac_ocp_write(tp, 0xF87C, 0x48CA); + r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4); + r8168_mac_ocp_write(tp, 0xF880, 0xC512); + r8168_mac_ocp_write(tp, 0xF882, 0x1B00); + r8168_mac_ocp_write(tp, 0xF884, 0x9BA0); + r8168_mac_ocp_write(tp, 0xF886, 0x1B1C); + r8168_mac_ocp_write(tp, 0xF888, 0x483F); + r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2); + r8168_mac_ocp_write(tp, 0xF88C, 0x1B04); + r8168_mac_ocp_write(tp, 0xF88E, 0xC508); + r8168_mac_ocp_write(tp, 0xF890, 0x9BA0); + r8168_mac_ocp_write(tp, 0xF892, 0xC505); + r8168_mac_ocp_write(tp, 0xF894, 0xBD00); + r8168_mac_ocp_write(tp, 0xF896, 0xC502); + r8168_mac_ocp_write(tp, 0xF898, 0xBD00); + r8168_mac_ocp_write(tp, 0xF89A, 0x0300); + r8168_mac_ocp_write(tp, 0xF89C, 0x051E); + r8168_mac_ocp_write(tp, 0xF89E, 0xE434); + r8168_mac_ocp_write(tp, 0xF8A0, 0xE018); + r8168_mac_ocp_write(tp, 0xF8A2, 0xE092); + r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20); + r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0); + r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F); + r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4); + r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3); + r8168_mac_ocp_write(tp, 0xF8AE, 0xF007); + r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0); + r8168_mac_ocp_write(tp, 0xF8B2, 0xF103); + r8168_mac_ocp_write(tp, 0xF8B4, 0xC607); + r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8B8, 0xC606); + r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8BC, 0xC602); + r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00); + r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C); + r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28); + r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C); + r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00); + r8168_mac_ocp_write(tp, 0xF8C8, 0xC707); + r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00); + r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2); + r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1); + r8168_mac_ocp_write(tp, 0xF8D0, 0xC502); + r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00); + r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA); + r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0); + r8168_mac_ocp_write(tp, 0xF8D8, 0xC502); + r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00); + r8168_mac_ocp_write(tp, 0xF8DC, 0x0132); + + r8168_mac_ocp_write(tp, 0xFC26, 0x8000); + + r8168_mac_ocp_write(tp, 0xFC2A, 0x0743); + r8168_mac_ocp_write(tp, 0xFC2C, 0x0801); + r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9); + r8168_mac_ocp_write(tp, 0xFC30, 0x02FD); + r8168_mac_ocp_write(tp, 0xFC32, 0x0C25); + r8168_mac_ocp_write(tp, 0xFC34, 0x00A9); + r8168_mac_ocp_write(tp, 0xFC36, 0x012D); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) +{ + int rg_saw_cnt; + u32 data; + static const struct ephy_info e_info_8168h_1[] = { + { 0x1e, 0x0800, 0x0001 }, + { 0x1d, 0x0000, 0x0800 }, + { 0x05, 0xffff, 0x2089 }, + { 0x06, 0xffff, 0x5881 }, + { 0x04, 0xffff, 0x154a }, + { 0x01, 0xffff, 0x068b } + }; + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8168h_1, ARRAY_SIZE(e_info_8168h_1)); + + rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); + + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); + + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_1111, 0x0010, 0x00, ERIAR_EXGMAC); + + rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f00, 0x00, ERIAR_EXGMAC); + + rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); + + RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); + RTL_W8(tp, MaxTxPacketSize, EarlySize); + + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + + /* Adjust EEE LED frequency */ + RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); + RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); + + rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); + + rtl_writephy(tp, 0x1f, 0x0c42); + rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff); + rtl_writephy(tp, 0x1f, 0x0000); + if (rg_saw_cnt > 0) { + u16 sw_cnt_1ms_ini; + + sw_cnt_1ms_ini = 16000000/rg_saw_cnt; + sw_cnt_1ms_ini &= 0x0fff; + data = r8168_mac_ocp_read(tp, 0xd412); + data &= ~0x0fff; + data |= sw_cnt_1ms_ini; + r8168_mac_ocp_write(tp, 0xd412, data); + } + + data = r8168_mac_ocp_read(tp, 0xe056); + data &= ~0xf0; + data |= 0x70; + r8168_mac_ocp_write(tp, 0xe056, data); + + data = r8168_mac_ocp_read(tp, 0xe052); + data &= ~0x6000; + data |= 0x8008; + r8168_mac_ocp_write(tp, 0xe052, data); + + data = r8168_mac_ocp_read(tp, 0xe0d6); + data &= ~0x01ff; + data |= 0x017f; + r8168_mac_ocp_write(tp, 0xe0d6, data); + + data = r8168_mac_ocp_read(tp, 0xd420); + data &= ~0x0fff; + data |= 0x047f; + r8168_mac_ocp_write(tp, 0xd420, data); + + r8168_mac_ocp_write(tp, 0xe63e, 0x0001); + r8168_mac_ocp_write(tp, 0xe63e, 0x0000); + r8168_mac_ocp_write(tp, 0xc094, 0x0000); + r8168_mac_ocp_write(tp, 0xc09e, 0x0000); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168ep(struct rtl8169_private *tp) +{ + rtl8168ep_stop_cmac(tp); + + rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); + + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); + + rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f80, 0x00, ERIAR_EXGMAC); + + rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); + + RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); + RTL_W8(tp, MaxTxPacketSize, EarlySize); + + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + + /* Adjust EEE LED frequency */ + RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); + + rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); + + rtl_pcie_state_l2l3_enable(tp, false); +} + +static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168ep_1[] = { + { 0x00, 0xffff, 0x10ab }, + { 0x06, 0xffff, 0xf030 }, + { 0x08, 0xffff, 0x2006 }, + { 0x0d, 0xffff, 0x1666 }, + { 0x0c, 0x3ff0, 0x0000 } + }; + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8168ep_1, ARRAY_SIZE(e_info_8168ep_1)); + + rtl_hw_start_8168ep(tp); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8168ep_2[] = { + { 0x00, 0xffff, 0x10a3 }, + { 0x19, 0xffff, 0xfc00 }, + { 0x1e, 0xffff, 0x20ea } + }; + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8168ep_2, ARRAY_SIZE(e_info_8168ep_2)); + + rtl_hw_start_8168ep(tp); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); + RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) +{ + u32 data; + static const struct ephy_info e_info_8168ep_3[] = { + { 0x00, 0xffff, 0x10a3 }, + { 0x19, 0xffff, 0x7c00 }, + { 0x1e, 0xffff, 0x20eb }, + { 0x0d, 0xffff, 0x1666 } + }; + + /* disable aspm and clock request before access ephy */ + rtl_hw_aspm_clkreq_enable(tp, false); + rtl_ephy_init(tp, e_info_8168ep_3, ARRAY_SIZE(e_info_8168ep_3)); + + rtl_hw_start_8168ep(tp); + + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); + RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); + + data = r8168_mac_ocp_read(tp, 0xd3e2); + data &= 0xf000; + data |= 0x0271; + r8168_mac_ocp_write(tp, 0xd3e2, data); + + data = r8168_mac_ocp_read(tp, 0xd3e4); + data &= 0xff00; + r8168_mac_ocp_write(tp, 0xd3e4, data); + + data = r8168_mac_ocp_read(tp, 0xe860); + data |= 0x0080; + r8168_mac_ocp_write(tp, 0xe860, data); + + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8168(struct rtl8169_private *tp) +{ + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + tp->cp_cmd &= ~INTT_MASK; + tp->cp_cmd |= PktCntrDisable | INTT_1; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + + RTL_W16(tp, IntrMitigate, 0x5100); + + /* Work around for RxFIFO overflow. */ + if (tp->mac_version == RTL_GIGA_MAC_VER_11) { + tp->event_slow |= RxFIFOOver | PCSTimeout; + tp->event_slow &= ~RxOverflow; + } + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + rtl_hw_start_8168bb(tp); + break; + + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + rtl_hw_start_8168bef(tp); + break; + + case RTL_GIGA_MAC_VER_18: + rtl_hw_start_8168cp_1(tp); + break; + + case RTL_GIGA_MAC_VER_19: + rtl_hw_start_8168c_1(tp); + break; + + case RTL_GIGA_MAC_VER_20: + rtl_hw_start_8168c_2(tp); + break; + + case RTL_GIGA_MAC_VER_21: + rtl_hw_start_8168c_3(tp); + break; + + case RTL_GIGA_MAC_VER_22: + rtl_hw_start_8168c_4(tp); + break; + + case RTL_GIGA_MAC_VER_23: + rtl_hw_start_8168cp_2(tp); + break; + + case RTL_GIGA_MAC_VER_24: + rtl_hw_start_8168cp_3(tp); + break; + + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_27: + rtl_hw_start_8168d(tp); + break; + + case RTL_GIGA_MAC_VER_28: + rtl_hw_start_8168d_4(tp); + break; + + case RTL_GIGA_MAC_VER_31: + rtl_hw_start_8168dp(tp); + break; + + case RTL_GIGA_MAC_VER_32: + case RTL_GIGA_MAC_VER_33: + rtl_hw_start_8168e_1(tp); + break; + case RTL_GIGA_MAC_VER_34: + rtl_hw_start_8168e_2(tp); + break; + + case RTL_GIGA_MAC_VER_35: + case RTL_GIGA_MAC_VER_36: + rtl_hw_start_8168f_1(tp); + break; + + case RTL_GIGA_MAC_VER_38: + rtl_hw_start_8411(tp); + break; + + case RTL_GIGA_MAC_VER_40: + case RTL_GIGA_MAC_VER_41: + rtl_hw_start_8168g_1(tp); + break; + case RTL_GIGA_MAC_VER_42: + rtl_hw_start_8168g_2(tp); + break; + + case RTL_GIGA_MAC_VER_44: + rtl_hw_start_8411_2(tp); + break; + + case RTL_GIGA_MAC_VER_45: + case RTL_GIGA_MAC_VER_46: + rtl_hw_start_8168h_1(tp); + break; + + case RTL_GIGA_MAC_VER_49: + rtl_hw_start_8168ep_1(tp); + break; + + case RTL_GIGA_MAC_VER_50: + rtl_hw_start_8168ep_2(tp); + break; + + case RTL_GIGA_MAC_VER_51: + rtl_hw_start_8168ep_3(tp); + break; + + default: + netif_err(tp, drv, tp->dev, + "unknown chipset (mac_version = %d)\n", + tp->mac_version); + break; + } +} + +static void rtl_hw_start_8102e_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8102e_1[] = { + { 0x01, 0, 0x6e65 }, + { 0x02, 0, 0x091f }, + { 0x03, 0, 0xc2f9 }, + { 0x06, 0, 0xafb5 }, + { 0x07, 0, 0x0e00 }, + { 0x19, 0, 0xec80 }, + { 0x01, 0, 0x2e65 }, + { 0x01, 0, 0x6e65 } + }; + u8 cfg1; + + rtl_set_def_aspm_entry_latency(tp); + + RTL_W8(tp, DBG_REG, FIX_NAK_1); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + RTL_W8(tp, Config1, + LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); + + cfg1 = RTL_R8(tp, Config1); + if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) + RTL_W8(tp, Config1, cfg1 & ~LEDS0); + + rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); +} + +static void rtl_hw_start_8102e_2(struct rtl8169_private *tp) +{ + rtl_set_def_aspm_entry_latency(tp); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); +} + +static void rtl_hw_start_8102e_3(struct rtl8169_private *tp) +{ + rtl_hw_start_8102e_2(tp); + + rtl_ephy_write(tp, 0x03, 0xc2f9); +} + +static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8105e_1[] = { + { 0x07, 0, 0x4000 }, + { 0x19, 0, 0x0200 }, + { 0x19, 0, 0x0020 }, + { 0x1e, 0, 0x2000 }, + { 0x03, 0, 0x0001 }, + { 0x19, 0, 0x0100 }, + { 0x19, 0, 0x0004 }, + { 0x0a, 0, 0x0020 } + }; + + /* Force LAN exit from ASPM if Rx/Tx are not idle */ + RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); + + /* Disable Early Tally Counter */ + RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000); + + RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); + + rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); + + rtl_pcie_state_l2l3_enable(tp, false); +} + +static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) +{ + rtl_hw_start_8105e_1(tp); + rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000); +} + +static void rtl_hw_start_8402(struct rtl8169_private *tp) +{ + static const struct ephy_info e_info_8402[] = { + { 0x19, 0xffff, 0xff64 }, + { 0x1e, 0, 0x4000 } + }; + + rtl_set_def_aspm_entry_latency(tp); + + /* Force LAN exit from ASPM if Rx/Tx are not idle */ + RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); + + RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); + + rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402)); + + rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); + + rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); + rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); +} + +static void rtl_hw_start_8106(struct rtl8169_private *tp) +{ + rtl_hw_aspm_clkreq_enable(tp, false); + + /* Force LAN exit from ASPM if Rx/Tx are not idle */ + RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); + + RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); + RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); + RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); + + rtl_pcie_state_l2l3_enable(tp, false); + rtl_hw_aspm_clkreq_enable(tp, true); +} + +static void rtl_hw_start_8101(struct rtl8169_private *tp) +{ + if (tp->mac_version >= RTL_GIGA_MAC_VER_30) + tp->event_slow &= ~RxFIFOOver; + + if (tp->mac_version == RTL_GIGA_MAC_VER_13 || + tp->mac_version == RTL_GIGA_MAC_VER_16) + pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_NOSNOOP_EN); + + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + tp->cp_cmd &= CPCMD_QUIRK_MASK; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_07: + rtl_hw_start_8102e_1(tp); + break; + + case RTL_GIGA_MAC_VER_08: + rtl_hw_start_8102e_3(tp); + break; + + case RTL_GIGA_MAC_VER_09: + rtl_hw_start_8102e_2(tp); + break; + + case RTL_GIGA_MAC_VER_29: + rtl_hw_start_8105e_1(tp); + break; + case RTL_GIGA_MAC_VER_30: + rtl_hw_start_8105e_2(tp); + break; + + case RTL_GIGA_MAC_VER_37: + rtl_hw_start_8402(tp); + break; + + case RTL_GIGA_MAC_VER_39: + rtl_hw_start_8106(tp); + break; + case RTL_GIGA_MAC_VER_43: + rtl_hw_start_8168g_2(tp); + break; + case RTL_GIGA_MAC_VER_47: + case RTL_GIGA_MAC_VER_48: + rtl_hw_start_8168h_1(tp); + break; + } + + RTL_W16(tp, IntrMitigate, 0x0000); +} + +static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (new_mtu > ETH_DATA_LEN) + rtl_hw_jumbo_enable(tp); + else + rtl_hw_jumbo_disable(tp); + + dev->mtu = new_mtu; + netdev_update_features(dev); + + return 0; +} + +static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) +{ + desc->addr = cpu_to_le64(0x0badbadbadbadbadull); + desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); +} + +static void rtl8169_free_rx_databuff(struct rtl8169_private *tp, + void **data_buff, struct RxDesc *desc) +{ + dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), + R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); + + kfree(*data_buff); + *data_buff = NULL; + rtl8169_make_unusable_by_asic(desc); +} + +static inline void rtl8169_mark_to_asic(struct RxDesc *desc) +{ + u32 eor = le32_to_cpu(desc->opts1) & RingEnd; + + /* Force memory writes to complete before releasing descriptor */ + dma_wmb(); + + desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE); +} + +static inline void *rtl8169_align(void *data) +{ + return (void *)ALIGN((long)data, 16); +} + +static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp, + struct RxDesc *desc) +{ + void *data; + dma_addr_t mapping; + struct device *d = tp_to_dev(tp); + int node = dev_to_node(d); + + data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node); + if (!data) + return NULL; + + if (rtl8169_align(data) != data) { + kfree(data); + data = kmalloc_node(R8169_RX_BUF_SIZE + 15, GFP_KERNEL, node); + if (!data) + return NULL; + } + + mapping = dma_map_single(d, rtl8169_align(data), R8169_RX_BUF_SIZE, + DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(d, mapping))) { + if (net_ratelimit()) + netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n"); + goto err_out; + } + + desc->addr = cpu_to_le64(mapping); + rtl8169_mark_to_asic(desc); + return data; + +err_out: + kfree(data); + return NULL; +} + +static void rtl8169_rx_clear(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = 0; i < NUM_RX_DESC; i++) { + if (tp->Rx_databuff[i]) { + rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i, + tp->RxDescArray + i); + } + } +} + +static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) +{ + desc->opts1 |= cpu_to_le32(RingEnd); +} + +static int rtl8169_rx_fill(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = 0; i < NUM_RX_DESC; i++) { + void *data; + + data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i); + if (!data) { + rtl8169_make_unusable_by_asic(tp->RxDescArray + i); + goto err_out; + } + tp->Rx_databuff[i] = data; + } + + rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); + return 0; + +err_out: + rtl8169_rx_clear(tp); + return -ENOMEM; +} + +static int rtl8169_init_ring(struct rtl8169_private *tp) +{ + rtl8169_init_ring_indexes(tp); + + memset(tp->tx_skb, 0, sizeof(tp->tx_skb)); + memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff)); + + return rtl8169_rx_fill(tp); +} + +static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb, + struct TxDesc *desc) +{ + unsigned int len = tx_skb->len; + + dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE); + + desc->opts1 = 0x00; + desc->opts2 = 0x00; + desc->addr = 0x00; + tx_skb->len = 0; +} + +static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start, + unsigned int n) +{ + unsigned int i; + + for (i = 0; i < n; i++) { + unsigned int entry = (start + i) % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + unsigned int len = tx_skb->len; + + if (len) { + struct sk_buff *skb = tx_skb->skb; + + rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, + tp->TxDescArray + entry); + if (skb) { + dev_consume_skb_any(skb); + tx_skb->skb = NULL; + } + } + } +} + +static void rtl8169_tx_clear(struct rtl8169_private *tp) +{ + rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC); + tp->cur_tx = tp->dirty_tx = 0; +} + +static void rtl_reset_work(struct rtl8169_private *tp) +{ + struct net_device *dev = tp->dev; + int i; + + napi_disable(&tp->napi); + netif_stop_queue(dev); + synchronize_sched(); + + rtl8169_hw_reset(tp); + + for (i = 0; i < NUM_RX_DESC; i++) + rtl8169_mark_to_asic(tp->RxDescArray + i); + + rtl8169_tx_clear(tp); + rtl8169_init_ring_indexes(tp); + + napi_enable(&tp->napi); + rtl_hw_start(tp); + netif_wake_queue(dev); +} + +static void rtl8169_tx_timeout(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); +} + +static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, + u32 *opts) +{ + struct skb_shared_info *info = skb_shinfo(skb); + unsigned int cur_frag, entry; + struct TxDesc *uninitialized_var(txd); + struct device *d = tp_to_dev(tp); + + entry = tp->cur_tx; + for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { + const skb_frag_t *frag = info->frags + cur_frag; + dma_addr_t mapping; + u32 status, len; + void *addr; + + entry = (entry + 1) % NUM_TX_DESC; + + txd = tp->TxDescArray + entry; + len = skb_frag_size(frag); + addr = skb_frag_address(frag); + mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(d, mapping))) { + if (net_ratelimit()) + netif_err(tp, drv, tp->dev, + "Failed to map TX fragments DMA!\n"); + goto err_out; + } + + /* Anti gcc 2.95.3 bugware (sic) */ + status = opts[0] | len | + (RingEnd * !((entry + 1) % NUM_TX_DESC)); + + txd->opts1 = cpu_to_le32(status); + txd->opts2 = cpu_to_le32(opts[1]); + txd->addr = cpu_to_le64(mapping); + + tp->tx_skb[entry].len = len; + } + + if (cur_frag) { + tp->tx_skb[entry].skb = skb; + txd->opts1 |= cpu_to_le32(LastFrag); + } + + return cur_frag; + +err_out: + rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag); + return -EIO; +} + +static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb) +{ + return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34; +} + +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev); +/* r8169_csum_workaround() + * The hw limites the value the transport offset. When the offset is out of the + * range, calculate the checksum by sw. + */ +static void r8169_csum_workaround(struct rtl8169_private *tp, + struct sk_buff *skb) +{ + if (skb_shinfo(skb)->gso_size) { + netdev_features_t features = tp->dev->features; + struct sk_buff *segs, *nskb; + + features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); + segs = skb_gso_segment(skb, features); + if (IS_ERR(segs) || !segs) + goto drop; + + do { + nskb = segs; + segs = segs->next; + nskb->next = NULL; + rtl8169_start_xmit(nskb, tp->dev); + } while (segs); + + dev_consume_skb_any(skb); + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (skb_checksum_help(skb) < 0) + goto drop; + + rtl8169_start_xmit(skb, tp->dev); + } else { + struct net_device_stats *stats; + +drop: + stats = &tp->dev->stats; + stats->tx_dropped++; + dev_kfree_skb_any(skb); + } +} + +/* msdn_giant_send_check() + * According to the document of microsoft, the TCP Pseudo Header excludes the + * packet length for IPv6 TCP large packets. + */ +static int msdn_giant_send_check(struct sk_buff *skb) +{ + const struct ipv6hdr *ipv6h; + struct tcphdr *th; + int ret; + + ret = skb_cow_head(skb, 0); + if (ret) + return ret; + + ipv6h = ipv6_hdr(skb); + th = tcp_hdr(skb); + + th->check = 0; + th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); + + return ret; +} + +static bool rtl8169_tso_csum_v1(struct rtl8169_private *tp, + struct sk_buff *skb, u32 *opts) +{ + u32 mss = skb_shinfo(skb)->gso_size; + + if (mss) { + opts[0] |= TD_LSO; + opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT; + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + const struct iphdr *ip = ip_hdr(skb); + + if (ip->protocol == IPPROTO_TCP) + opts[0] |= TD0_IP_CS | TD0_TCP_CS; + else if (ip->protocol == IPPROTO_UDP) + opts[0] |= TD0_IP_CS | TD0_UDP_CS; + else + WARN_ON_ONCE(1); + } + + return true; +} + +static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, + struct sk_buff *skb, u32 *opts) +{ + u32 transport_offset = (u32)skb_transport_offset(skb); + u32 mss = skb_shinfo(skb)->gso_size; + + if (mss) { + if (transport_offset > GTTCPHO_MAX) { + netif_warn(tp, tx_err, tp->dev, + "Invalid transport offset 0x%x for TSO\n", + transport_offset); + return false; + } + + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + opts[0] |= TD1_GTSENV4; + break; + + case htons(ETH_P_IPV6): + if (msdn_giant_send_check(skb)) + return false; + + opts[0] |= TD1_GTSENV6; + break; + + default: + WARN_ON_ONCE(1); + break; + } + + opts[0] |= transport_offset << GTTCPHO_SHIFT; + opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT; + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + u8 ip_protocol; + + if (unlikely(rtl_test_hw_pad_bug(tp, skb))) + return !(skb_checksum_help(skb) || eth_skb_pad(skb)); + + if (transport_offset > TCPHO_MAX) { + netif_warn(tp, tx_err, tp->dev, + "Invalid transport offset 0x%x\n", + transport_offset); + return false; + } + + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + opts[1] |= TD1_IPv4_CS; + ip_protocol = ip_hdr(skb)->protocol; + break; + + case htons(ETH_P_IPV6): + opts[1] |= TD1_IPv6_CS; + ip_protocol = ipv6_hdr(skb)->nexthdr; + break; + + default: + ip_protocol = IPPROTO_RAW; + break; + } + + if (ip_protocol == IPPROTO_TCP) + opts[1] |= TD1_TCP_CS; + else if (ip_protocol == IPPROTO_UDP) + opts[1] |= TD1_UDP_CS; + else + WARN_ON_ONCE(1); + + opts[1] |= transport_offset << TCPHO_SHIFT; + } else { + if (unlikely(rtl_test_hw_pad_bug(tp, skb))) + /* eth_skb_pad would free the skb on error */ + return !__skb_put_padto(skb, ETH_ZLEN, false); + } + + return true; +} + +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned int entry = tp->cur_tx % NUM_TX_DESC; + struct TxDesc *txd = tp->TxDescArray + entry; + struct device *d = tp_to_dev(tp); + dma_addr_t mapping; + u32 status, len; + u32 opts[2]; + int frags; + + if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) { + netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n"); + goto err_stop_0; + } + + if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) + goto err_stop_0; + + opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb)); + opts[0] = DescOwn; + + if (!tp->tso_csum(tp, skb, opts)) { + r8169_csum_workaround(tp, skb); + return NETDEV_TX_OK; + } + + len = skb_headlen(skb); + mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(d, mapping))) { + if (net_ratelimit()) + netif_err(tp, drv, dev, "Failed to map TX DMA!\n"); + goto err_dma_0; + } + + tp->tx_skb[entry].len = len; + txd->addr = cpu_to_le64(mapping); + + frags = rtl8169_xmit_frags(tp, skb, opts); + if (frags < 0) + goto err_dma_1; + else if (frags) + opts[0] |= FirstFrag; + else { + opts[0] |= FirstFrag | LastFrag; + tp->tx_skb[entry].skb = skb; + } + + txd->opts2 = cpu_to_le32(opts[1]); + + skb_tx_timestamp(skb); + + /* Force memory writes to complete before releasing descriptor */ + dma_wmb(); + + /* Anti gcc 2.95.3 bugware (sic) */ + status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); + txd->opts1 = cpu_to_le32(status); + + /* Force all memory writes to complete before notifying device */ + wmb(); + + tp->cur_tx += frags + 1; + + RTL_W8(tp, TxPoll, NPQ); + + mmiowb(); + + if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { + /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must + * not miss a ring update when it notices a stopped queue. + */ + smp_wmb(); + netif_stop_queue(dev); + /* Sync with rtl_tx: + * - publish queue status and cur_tx ring index (write barrier) + * - refresh dirty_tx ring index (read barrier). + * May the current thread have a pessimistic view of the ring + * status and forget to wake up queue, a racing rtl_tx thread + * can't. + */ + smp_mb(); + if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) + netif_wake_queue(dev); + } + + return NETDEV_TX_OK; + +err_dma_1: + rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); +err_dma_0: + dev_kfree_skb_any(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + +err_stop_0: + netif_stop_queue(dev); + dev->stats.tx_dropped++; + return NETDEV_TX_BUSY; +} + +static void rtl8169_pcierr_interrupt(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + u16 pci_status, pci_cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); + pci_read_config_word(pdev, PCI_STATUS, &pci_status); + + netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n", + pci_cmd, pci_status); + + /* + * The recovery sequence below admits a very elaborated explanation: + * - it seems to work; + * - I did not see what else could be done; + * - it makes iop3xx happy. + * + * Feel free to adjust to your needs. + */ + if (pdev->broken_parity_status) + pci_cmd &= ~PCI_COMMAND_PARITY; + else + pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; + + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); + + pci_write_config_word(pdev, PCI_STATUS, + pci_status & (PCI_STATUS_DETECTED_PARITY | + PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | + PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); + + /* The infamous DAC f*ckup only happens at boot time */ + if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) { + netif_info(tp, intr, dev, "disabling PCI DAC\n"); + tp->cp_cmd &= ~PCIDAC; + RTL_W16(tp, CPlusCmd, tp->cp_cmd); + dev->features &= ~NETIF_F_HIGHDMA; + } + + rtl8169_hw_reset(tp); + + rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); +} + +static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp) +{ + unsigned int dirty_tx, tx_left; + + dirty_tx = tp->dirty_tx; + smp_rmb(); + tx_left = tp->cur_tx - dirty_tx; + + while (tx_left > 0) { + unsigned int entry = dirty_tx % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + u32 status; + + status = le32_to_cpu(READ_ONCE(tp->TxDescArray[entry].opts1)); + if (status & DescOwn) + break; + + /* This barrier is needed to keep us from reading + * any other fields out of the Tx descriptor until + * we know the status of DescOwn + */ + dma_rmb(); + + rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, + tp->TxDescArray + entry); + if (status & LastFrag) { + u64_stats_update_begin(&tp->tx_stats.syncp); + tp->tx_stats.packets++; + tp->tx_stats.bytes += tx_skb->skb->len; + u64_stats_update_end(&tp->tx_stats.syncp); + dev_consume_skb_any(tx_skb->skb); + tx_skb->skb = NULL; + } + dirty_tx++; + tx_left--; + } + + if (tp->dirty_tx != dirty_tx) { + tp->dirty_tx = dirty_tx; + /* Sync with rtl8169_start_xmit: + * - publish dirty_tx ring index (write barrier) + * - refresh cur_tx ring index and queue status (read barrier) + * May the current thread miss the stopped queue condition, + * a racing xmit thread can only have a right view of the + * ring status. + */ + smp_mb(); + if (netif_queue_stopped(dev) && + TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { + netif_wake_queue(dev); + } + /* + * 8168 hack: TxPoll requests are lost when the Tx packets are + * too close. Let's kick an extra TxPoll request when a burst + * of start_xmit activity is detected (if it is not detected, + * it is slow enough). -- FR + */ + if (tp->cur_tx != dirty_tx) + RTL_W8(tp, TxPoll, NPQ); + } +} + +static inline int rtl8169_fragmented_frame(u32 status) +{ + return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); +} + +static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1) +{ + u32 status = opts1 & RxProtoMask; + + if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || + ((status == RxProtoUDP) && !(opts1 & UDPFail))) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb_checksum_none_assert(skb); +} + +static struct sk_buff *rtl8169_try_rx_copy(void *data, + struct rtl8169_private *tp, + int pkt_size, + dma_addr_t addr) +{ + struct sk_buff *skb; + struct device *d = tp_to_dev(tp); + + data = rtl8169_align(data); + dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE); + prefetch(data); + skb = napi_alloc_skb(&tp->napi, pkt_size); + if (skb) + skb_copy_to_linear_data(skb, data, pkt_size); + dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE); + + return skb; +} + +static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget) +{ + unsigned int cur_rx, rx_left; + unsigned int count; + + cur_rx = tp->cur_rx; + + for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) { + unsigned int entry = cur_rx % NUM_RX_DESC; + struct RxDesc *desc = tp->RxDescArray + entry; + u32 status; + + status = le32_to_cpu(READ_ONCE(desc->opts1)); + if (status & DescOwn) + break; + + /* This barrier is needed to keep us from reading + * any other fields out of the Rx descriptor until + * we know the status of DescOwn + */ + dma_rmb(); + + if (unlikely(status & RxRES)) { + netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n", + status); + dev->stats.rx_errors++; + if (status & (RxRWT | RxRUNT)) + dev->stats.rx_length_errors++; + if (status & RxCRC) + dev->stats.rx_crc_errors++; + /* RxFOVF is a reserved bit on later chip versions */ + if (tp->mac_version == RTL_GIGA_MAC_VER_01 && + status & RxFOVF) { + rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); + dev->stats.rx_fifo_errors++; + } else if (status & (RxRUNT | RxCRC) && + !(status & RxRWT) && + dev->features & NETIF_F_RXALL) { + goto process_pkt; + } + } else { + struct sk_buff *skb; + dma_addr_t addr; + int pkt_size; + +process_pkt: + addr = le64_to_cpu(desc->addr); + if (likely(!(dev->features & NETIF_F_RXFCS))) + pkt_size = (status & 0x00003fff) - 4; + else + pkt_size = status & 0x00003fff; + + /* + * The driver does not support incoming fragmented + * frames. They are seen as a symptom of over-mtu + * sized frames. + */ + if (unlikely(rtl8169_fragmented_frame(status))) { + dev->stats.rx_dropped++; + dev->stats.rx_length_errors++; + goto release_descriptor; + } + + skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry], + tp, pkt_size, addr); + if (!skb) { + dev->stats.rx_dropped++; + goto release_descriptor; + } + + rtl8169_rx_csum(skb, status); + skb_put(skb, pkt_size); + skb->protocol = eth_type_trans(skb, dev); + + rtl8169_rx_vlan_tag(desc, skb); + + if (skb->pkt_type == PACKET_MULTICAST) + dev->stats.multicast++; + + napi_gro_receive(&tp->napi, skb); + + u64_stats_update_begin(&tp->rx_stats.syncp); + tp->rx_stats.packets++; + tp->rx_stats.bytes += pkt_size; + u64_stats_update_end(&tp->rx_stats.syncp); + } +release_descriptor: + desc->opts2 = 0; + rtl8169_mark_to_asic(desc); + } + + count = cur_rx - tp->cur_rx; + tp->cur_rx = cur_rx; + + return count; +} + +static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) +{ + struct rtl8169_private *tp = dev_instance; + u16 status = rtl_get_events(tp); + + if (status == 0xffff || !(status & (RTL_EVENT_NAPI | tp->event_slow))) + return IRQ_NONE; + + rtl_irq_disable(tp); + napi_schedule(&tp->napi); + + return IRQ_HANDLED; +} + +/* + * Workqueue context. + */ +static void rtl_slow_event_work(struct rtl8169_private *tp) +{ + struct net_device *dev = tp->dev; + u16 status; + + status = rtl_get_events(tp) & tp->event_slow; + rtl_ack_events(tp, status); + + if (unlikely(status & RxFIFOOver)) { + switch (tp->mac_version) { + /* Work around for rx fifo overflow */ + case RTL_GIGA_MAC_VER_11: + netif_stop_queue(dev); + /* XXX - Hack alert. See rtl_task(). */ + set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); + default: + break; + } + } + + if (unlikely(status & SYSErr)) + rtl8169_pcierr_interrupt(dev); + + if (status & LinkChg) + phy_mac_interrupt(dev->phydev); + + rtl_irq_enable_all(tp); +} + +static void rtl_task(struct work_struct *work) +{ + static const struct { + int bitnr; + void (*action)(struct rtl8169_private *); + } rtl_work[] = { + /* XXX - keep rtl_slow_event_work() as first element. */ + { RTL_FLAG_TASK_SLOW_PENDING, rtl_slow_event_work }, + { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work }, + }; + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, wk.work); + struct net_device *dev = tp->dev; + int i; + + rtl_lock_work(tp); + + if (!netif_running(dev) || + !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) + goto out_unlock; + + for (i = 0; i < ARRAY_SIZE(rtl_work); i++) { + bool pending; + + pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags); + if (pending) + rtl_work[i].action(tp); + } + +out_unlock: + rtl_unlock_work(tp); +} + +static int rtl8169_poll(struct napi_struct *napi, int budget) +{ + struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); + struct net_device *dev = tp->dev; + u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow; + int work_done; + u16 status; + + status = rtl_get_events(tp); + rtl_ack_events(tp, status & ~tp->event_slow); + + work_done = rtl_rx(dev, tp, (u32) budget); + + rtl_tx(dev, tp); + + if (status & tp->event_slow) { + enable_mask &= ~tp->event_slow; + + rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING); + } + + if (work_done < budget) { + napi_complete_done(napi, work_done); + + rtl_irq_enable(tp, enable_mask); + mmiowb(); + } + + return work_done; +} + +static void rtl8169_rx_missed(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) + return; + + dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff; + RTL_W32(tp, RxMissed, 0); +} + +static void r8169_phylink_handler(struct net_device *ndev) +{ + struct rtl8169_private *tp = netdev_priv(ndev); + + if (netif_carrier_ok(ndev)) { + rtl_link_chg_patch(tp); + pm_request_resume(&tp->pci_dev->dev); + } else { + pm_runtime_idle(&tp->pci_dev->dev); + } + + if (net_ratelimit()) + phy_print_status(ndev->phydev); +} + +static int r8169_phy_connect(struct rtl8169_private *tp) +{ + struct phy_device *phydev = mdiobus_get_phy(tp->mii_bus, 0); + phy_interface_t phy_mode; + int ret; + + phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII : + PHY_INTERFACE_MODE_MII; + + ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler, + phy_mode); + if (ret) + return ret; + + if (!tp->supports_gmii) + phy_set_max_speed(phydev, SPEED_100); + + /* Ensure to advertise everything, incl. pause */ + phydev->advertising = phydev->supported; + + phy_attached_info(phydev); + + return 0; +} + +static void rtl8169_down(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + phy_stop(dev->phydev); + + napi_disable(&tp->napi); + netif_stop_queue(dev); + + rtl8169_hw_reset(tp); + /* + * At this point device interrupts can not be enabled in any function, + * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task) + * and napi is disabled (rtl8169_poll). + */ + rtl8169_rx_missed(dev); + + /* Give a racing hard_start_xmit a few cycles to complete. */ + synchronize_sched(); + + rtl8169_tx_clear(tp); + + rtl8169_rx_clear(tp); + + rtl_pll_power_down(tp); +} + +static int rtl8169_close(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + pm_runtime_get_sync(&pdev->dev); + + /* Update counters before going down */ + rtl8169_update_counters(tp); + + rtl_lock_work(tp); + /* Clear all task flags */ + bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); + + rtl8169_down(dev); + rtl_unlock_work(tp); + + cancel_work_sync(&tp->wk.work); + + phy_disconnect(dev->phydev); + + free_irq(pci_irq_vector(pdev, 0), tp); + + dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); + dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + tp->TxDescArray = NULL; + tp->RxDescArray = NULL; + + pm_runtime_put_sync(&pdev->dev); + + return 0; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void rtl8169_netpoll(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp); +} +#endif + +static int rtl_open(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + int retval = -ENOMEM; + + pm_runtime_get_sync(&pdev->dev); + + /* + * Rx and Tx descriptors needs 256 bytes alignment. + * dma_alloc_coherent provides more. + */ + tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES, + &tp->TxPhyAddr, GFP_KERNEL); + if (!tp->TxDescArray) + goto err_pm_runtime_put; + + tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES, + &tp->RxPhyAddr, GFP_KERNEL); + if (!tp->RxDescArray) + goto err_free_tx_0; + + retval = rtl8169_init_ring(tp); + if (retval < 0) + goto err_free_rx_1; + + INIT_WORK(&tp->wk.work, rtl_task); + + smp_mb(); + + rtl_request_firmware(tp); + + retval = request_irq(pci_irq_vector(pdev, 0), rtl8169_interrupt, + IRQF_SHARED, dev->name, tp); + if (retval < 0) + goto err_release_fw_2; + + retval = r8169_phy_connect(tp); + if (retval) + goto err_free_irq; + + rtl_lock_work(tp); + + set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); + + napi_enable(&tp->napi); + + rtl8169_init_phy(dev, tp); + + rtl_pll_power_up(tp); + + rtl_hw_start(tp); + + if (!rtl8169_init_counter_offsets(tp)) + netif_warn(tp, hw, dev, "counter reset/update failed\n"); + + phy_start(dev->phydev); + netif_start_queue(dev); + + rtl_unlock_work(tp); + + pm_runtime_put_sync(&pdev->dev); +out: + return retval; + +err_free_irq: + free_irq(pci_irq_vector(pdev, 0), tp); +err_release_fw_2: + rtl_release_firmware(tp); + rtl8169_rx_clear(tp); +err_free_rx_1: + dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); + tp->RxDescArray = NULL; +err_free_tx_0: + dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + tp->TxDescArray = NULL; +err_pm_runtime_put: + pm_runtime_put_noidle(&pdev->dev); + goto out; +} + +static void +rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + struct rtl8169_counters *counters = tp->counters; + unsigned int start; + + pm_runtime_get_noresume(&pdev->dev); + + if (netif_running(dev) && pm_runtime_active(&pdev->dev)) + rtl8169_rx_missed(dev); + + do { + start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp); + stats->rx_packets = tp->rx_stats.packets; + stats->rx_bytes = tp->rx_stats.bytes; + } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start)); + + do { + start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp); + stats->tx_packets = tp->tx_stats.packets; + stats->tx_bytes = tp->tx_stats.bytes; + } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start)); + + stats->rx_dropped = dev->stats.rx_dropped; + stats->tx_dropped = dev->stats.tx_dropped; + stats->rx_length_errors = dev->stats.rx_length_errors; + stats->rx_errors = dev->stats.rx_errors; + stats->rx_crc_errors = dev->stats.rx_crc_errors; + stats->rx_fifo_errors = dev->stats.rx_fifo_errors; + stats->rx_missed_errors = dev->stats.rx_missed_errors; + stats->multicast = dev->stats.multicast; + + /* + * Fetch additonal counter values missing in stats collected by driver + * from tally counters. + */ + if (pm_runtime_active(&pdev->dev)) + rtl8169_update_counters(tp); + + /* + * Subtract values fetched during initalization. + * See rtl8169_init_counter_offsets for a description why we do that. + */ + stats->tx_errors = le64_to_cpu(counters->tx_errors) - + le64_to_cpu(tp->tc_offset.tx_errors); + stats->collisions = le32_to_cpu(counters->tx_multi_collision) - + le32_to_cpu(tp->tc_offset.tx_multi_collision); + stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) - + le16_to_cpu(tp->tc_offset.tx_aborted); + + pm_runtime_put_noidle(&pdev->dev); +} + +static void rtl8169_net_suspend(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (!netif_running(dev)) + return; + + phy_stop(dev->phydev); + netif_device_detach(dev); + netif_stop_queue(dev); + + rtl_lock_work(tp); + napi_disable(&tp->napi); + /* Clear all task flags */ + bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); + + rtl_unlock_work(tp); + + rtl_pll_power_down(tp); +} + +#ifdef CONFIG_PM + +static int rtl8169_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_net_suspend(dev); + clk_disable_unprepare(tp->clk); + + return 0; +} + +static void __rtl8169_resume(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + netif_device_attach(dev); + + rtl_pll_power_up(tp); + rtl8169_init_phy(dev, tp); + + phy_start(tp->dev->phydev); + + rtl_lock_work(tp); + napi_enable(&tp->napi); + set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); + rtl_unlock_work(tp); + + rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); +} + +static int rtl8169_resume(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + clk_prepare_enable(tp->clk); + + if (netif_running(dev)) + __rtl8169_resume(dev); + + return 0; +} + +static int rtl8169_runtime_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + if (!tp->TxDescArray) + return 0; + + rtl_lock_work(tp); + __rtl8169_set_wol(tp, WAKE_ANY); + rtl_unlock_work(tp); + + rtl8169_net_suspend(dev); + + /* Update counters before going runtime suspend */ + rtl8169_rx_missed(dev); + rtl8169_update_counters(tp); + + return 0; +} + +static int rtl8169_runtime_resume(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + rtl_rar_set(tp, dev->dev_addr); + + if (!tp->TxDescArray) + return 0; + + rtl_lock_work(tp); + __rtl8169_set_wol(tp, tp->saved_wolopts); + rtl_unlock_work(tp); + + __rtl8169_resume(dev); + + return 0; +} + +static int rtl8169_runtime_idle(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + + if (!netif_running(dev) || !netif_carrier_ok(dev)) + pm_schedule_suspend(device, 10000); + + return -EBUSY; +} + +static const struct dev_pm_ops rtl8169_pm_ops = { + .suspend = rtl8169_suspend, + .resume = rtl8169_resume, + .freeze = rtl8169_suspend, + .thaw = rtl8169_resume, + .poweroff = rtl8169_suspend, + .restore = rtl8169_resume, + .runtime_suspend = rtl8169_runtime_suspend, + .runtime_resume = rtl8169_runtime_resume, + .runtime_idle = rtl8169_runtime_idle, +}; + +#define RTL8169_PM_OPS (&rtl8169_pm_ops) + +#else /* !CONFIG_PM */ + +#define RTL8169_PM_OPS NULL + +#endif /* !CONFIG_PM */ + +static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp) +{ + /* WoL fails with 8168b when the receiver is disabled. */ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + pci_clear_master(tp->pci_dev); + + RTL_W8(tp, ChipCmd, CmdRxEnb); + /* PCI commit */ + RTL_R8(tp, ChipCmd); + break; + default: + break; + } +} + +static void rtl_shutdown(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_net_suspend(dev); + + /* Restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); + + rtl8169_hw_reset(tp); + + if (system_state == SYSTEM_POWER_OFF) { + if (tp->saved_wolopts) { + rtl_wol_suspend_quirk(tp); + rtl_wol_shutdown_quirk(tp); + } + + pci_wake_from_d3(pdev, true); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +static void rtl_remove_one(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + if (r8168_check_dash(tp)) + rtl8168_driver_stop(tp); + + netif_napi_del(&tp->napi); + + unregister_netdev(dev); + mdiobus_unregister(tp->mii_bus); + + rtl_release_firmware(tp); + + if (pci_dev_run_wake(pdev)) + pm_runtime_get_noresume(&pdev->dev); + + /* restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); +} + +static const struct net_device_ops rtl_netdev_ops = { + .ndo_open = rtl_open, + .ndo_stop = rtl8169_close, + .ndo_get_stats64 = rtl8169_get_stats64, + .ndo_start_xmit = rtl8169_start_xmit, + .ndo_tx_timeout = rtl8169_tx_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = rtl8169_change_mtu, + .ndo_fix_features = rtl8169_fix_features, + .ndo_set_features = rtl8169_set_features, + .ndo_set_mac_address = rtl_set_mac_address, + .ndo_do_ioctl = rtl8169_ioctl, + .ndo_set_rx_mode = rtl_set_rx_mode, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8169_netpoll, +#endif + +}; + +static const struct rtl_cfg_info { + void (*hw_start)(struct rtl8169_private *tp); + u16 event_slow; + unsigned int has_gmii:1; + const struct rtl_coalesce_info *coalesce_info; + u8 default_ver; +} rtl_cfg_infos [] = { + [RTL_CFG_0] = { + .hw_start = rtl_hw_start_8169, + .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver, + .has_gmii = 1, + .coalesce_info = rtl_coalesce_info_8169, + .default_ver = RTL_GIGA_MAC_VER_01, + }, + [RTL_CFG_1] = { + .hw_start = rtl_hw_start_8168, + .event_slow = SYSErr | LinkChg | RxOverflow, + .has_gmii = 1, + .coalesce_info = rtl_coalesce_info_8168_8136, + .default_ver = RTL_GIGA_MAC_VER_11, + }, + [RTL_CFG_2] = { + .hw_start = rtl_hw_start_8101, + .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver | + PCSTimeout, + .coalesce_info = rtl_coalesce_info_8168_8136, + .default_ver = RTL_GIGA_MAC_VER_13, + } +}; + +static int rtl_alloc_irq(struct rtl8169_private *tp) +{ + unsigned int flags; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: + RTL_W8(tp, Cfg9346, Cfg9346_Unlock); + RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); + RTL_W8(tp, Cfg9346, Cfg9346_Lock); + /* fall through */ + case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_17: + flags = PCI_IRQ_LEGACY; + break; + default: + flags = PCI_IRQ_ALL_TYPES; + break; + } + + return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags); +} + +DECLARE_RTL_COND(rtl_link_list_ready_cond) +{ + return RTL_R8(tp, MCU) & LINK_LIST_RDY; +} + +DECLARE_RTL_COND(rtl_rxtx_empty_cond) +{ + return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY; +} + +static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg) +{ + struct rtl8169_private *tp = mii_bus->priv; + + if (phyaddr > 0) + return -ENODEV; + + return rtl_readphy(tp, phyreg); +} + +static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr, + int phyreg, u16 val) +{ + struct rtl8169_private *tp = mii_bus->priv; + + if (phyaddr > 0) + return -ENODEV; + + rtl_writephy(tp, phyreg, val); + + return 0; +} + +static int r8169_mdio_register(struct rtl8169_private *tp) +{ + struct pci_dev *pdev = tp->pci_dev; + struct phy_device *phydev; + struct mii_bus *new_bus; + int ret; + + new_bus = devm_mdiobus_alloc(&pdev->dev); + if (!new_bus) + return -ENOMEM; + + new_bus->name = "r8169"; + new_bus->priv = tp; + new_bus->parent = &pdev->dev; + new_bus->irq[0] = PHY_IGNORE_INTERRUPT; + snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", + PCI_DEVID(pdev->bus->number, pdev->devfn)); + + new_bus->read = r8169_mdio_read_reg; + new_bus->write = r8169_mdio_write_reg; + + ret = mdiobus_register(new_bus); + if (ret) + return ret; + + phydev = mdiobus_get_phy(new_bus, 0); + if (!phydev) { + mdiobus_unregister(new_bus); + return -ENODEV; + } + + /* PHY will be woken up in rtl_open() */ + phy_suspend(phydev); + + tp->mii_bus = new_bus; + + return 0; +} + +static void rtl_hw_init_8168g(struct rtl8169_private *tp) +{ + u32 data; + + tp->ocp_base = OCP_STD_PHY_BASE; + + RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); + + if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42)) + return; + + if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42)) + return; + + RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); + msleep(1); + RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); + + data = r8168_mac_ocp_read(tp, 0xe8de); + data &= ~(1 << 14); + r8168_mac_ocp_write(tp, 0xe8de, data); + + if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) + return; + + data = r8168_mac_ocp_read(tp, 0xe8de); + data |= (1 << 15); + r8168_mac_ocp_write(tp, 0xe8de, data); + + if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) + return; +} + +static void rtl_hw_init_8168ep(struct rtl8169_private *tp) +{ + rtl8168ep_stop_cmac(tp); + rtl_hw_init_8168g(tp); +} + +static void rtl_hw_initialize(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: + rtl_hw_init_8168g(tp); + break; + case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51: + rtl_hw_init_8168ep(tp); + break; + default: + break; + } +} + +/* Versions RTL8102e and from RTL8168c onwards support csum_v2 */ +static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: + return false; + default: + return true; + } +} + +static int rtl_jumbo_max(struct rtl8169_private *tp) +{ + /* Non-GBit versions don't support jumbo frames */ + if (!tp->supports_gmii) + return JUMBO_1K; + + switch (tp->mac_version) { + /* RTL8169 */ + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + return JUMBO_7K; + /* RTL8168b */ + case RTL_GIGA_MAC_VER_11: + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + return JUMBO_4K; + /* RTL8168c */ + case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: + return JUMBO_6K; + default: + return JUMBO_9K; + } +} + +static void rtl_disable_clk(void *data) +{ + clk_disable_unprepare(data); +} + +static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; + struct rtl8169_private *tp; + struct net_device *dev; + int chipset, region, i; + int jumbo_max, rc; + + dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp)); + if (!dev) + return -ENOMEM; + + SET_NETDEV_DEV(dev, &pdev->dev); + dev->netdev_ops = &rtl_netdev_ops; + tp = netdev_priv(dev); + tp->dev = dev; + tp->pci_dev = pdev; + tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); + tp->supports_gmii = cfg->has_gmii; + + /* Get the *optional* external "ether_clk" used on some boards */ + tp->clk = devm_clk_get(&pdev->dev, "ether_clk"); + if (IS_ERR(tp->clk)) { + rc = PTR_ERR(tp->clk); + if (rc == -ENOENT) { + /* clk-core allows NULL (for suspend / resume) */ + tp->clk = NULL; + } else if (rc == -EPROBE_DEFER) { + return rc; + } else { + dev_err(&pdev->dev, "failed to get clk: %d\n", rc); + return rc; + } + } else { + rc = clk_prepare_enable(tp->clk); + if (rc) { + dev_err(&pdev->dev, "failed to enable clk: %d\n", rc); + return rc; + } + + rc = devm_add_action_or_reset(&pdev->dev, rtl_disable_clk, + tp->clk); + if (rc) + return rc; + } + + /* Disable ASPM completely as that cause random device stop working + * problems as well as full system hangs for some PCIe devices users. + */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + rc = pcim_enable_device(pdev); + if (rc < 0) { + dev_err(&pdev->dev, "enable failure\n"); + return rc; + } + + if (pcim_set_mwi(pdev) < 0) + dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n"); + + /* use first MMIO region */ + region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1; + if (region < 0) { + dev_err(&pdev->dev, "no MMIO resource found\n"); + return -ENODEV; + } + + /* check for weird/broken PCI region reporting */ + if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { + dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n"); + return -ENODEV; + } + + rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME); + if (rc < 0) { + dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); + return rc; + } + + tp->mmio_addr = pcim_iomap_table(pdev)[region]; + + if (!pci_is_pcie(pdev)) + dev_info(&pdev->dev, "not PCI Express\n"); + + /* Identify chip attached to board */ + rtl8169_get_mac_version(tp, cfg->default_ver); + + if (rtl_tbi_enabled(tp)) { + dev_err(&pdev->dev, "TBI fiber mode not supported\n"); + return -ENODEV; + } + + tp->cp_cmd = RTL_R16(tp, CPlusCmd); + + if ((sizeof(dma_addr_t) > 4) && + (use_dac == 1 || (use_dac == -1 && pci_is_pcie(pdev) && + tp->mac_version >= RTL_GIGA_MAC_VER_18)) && + !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && + !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { + + /* CPlusCmd Dual Access Cycle is only needed for non-PCIe */ + if (!pci_is_pcie(pdev)) + tp->cp_cmd |= PCIDAC; + dev->features |= NETIF_F_HIGHDMA; + } else { + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc < 0) { + dev_err(&pdev->dev, "DMA configuration failed\n"); + return rc; + } + } + + rtl_init_rxcfg(tp); + + rtl_irq_disable(tp); + + rtl_hw_initialize(tp); + + rtl_hw_reset(tp); + + rtl_ack_events(tp, 0xffff); + + pci_set_master(pdev); + + rtl_init_mdio_ops(tp); + rtl_init_jumbo_ops(tp); + + rtl8169_print_mac_version(tp); + + chipset = tp->mac_version; + + rc = rtl_alloc_irq(tp); + if (rc < 0) { + dev_err(&pdev->dev, "Can't allocate interrupt\n"); + return rc; + } + + tp->saved_wolopts = __rtl8169_get_wol(tp); + + mutex_init(&tp->wk.mutex); + u64_stats_init(&tp->rx_stats.syncp); + u64_stats_init(&tp->tx_stats.syncp); + + /* Get MAC address */ + switch (tp->mac_version) { + u8 mac_addr[ETH_ALEN] __aligned(4); + case RTL_GIGA_MAC_VER_35 ... RTL_GIGA_MAC_VER_38: + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + *(u32 *)&mac_addr[0] = rtl_eri_read(tp, 0xe0, ERIAR_EXGMAC); + *(u16 *)&mac_addr[4] = rtl_eri_read(tp, 0xe4, ERIAR_EXGMAC); + + if (is_valid_ether_addr(mac_addr)) + rtl_rar_set(tp, mac_addr); + break; + default: + break; + } + for (i = 0; i < ETH_ALEN; i++) + dev->dev_addr[i] = RTL_R8(tp, MAC0 + i); + + dev->ethtool_ops = &rtl8169_ethtool_ops; + dev->watchdog_timeo = RTL8169_TX_TIMEOUT; + + netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT); + + /* don't enable SG, IP_CSUM and TSO by default - it might not work + * properly for all devices */ + dev->features |= NETIF_F_RXCSUM | + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; + + dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; + dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_HIGHDMA; + dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + + tp->cp_cmd |= RxChkSum | RxVlan; + + /* + * Pretend we are using VLANs; This bypasses a nasty bug where + * Interrupts stop flowing on high load on 8110SCd controllers. + */ + if (tp->mac_version == RTL_GIGA_MAC_VER_05) + /* Disallow toggling */ + dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; + + if (rtl_chip_supports_csum_v2(tp)) { + tp->tso_csum = rtl8169_tso_csum_v2; + dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + } else { + tp->tso_csum = rtl8169_tso_csum_v1; + } + + dev->hw_features |= NETIF_F_RXALL; + dev->hw_features |= NETIF_F_RXFCS; + + /* MTU range: 60 - hw-specific max */ + dev->min_mtu = ETH_ZLEN; + jumbo_max = rtl_jumbo_max(tp); + dev->max_mtu = jumbo_max; + + tp->hw_start = cfg->hw_start; + tp->event_slow = cfg->event_slow; + tp->coalesce_info = cfg->coalesce_info; + + tp->rtl_fw = RTL_FIRMWARE_UNKNOWN; + + tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters), + &tp->counters_phys_addr, + GFP_KERNEL); + if (!tp->counters) + return -ENOMEM; + + pci_set_drvdata(pdev, dev); + + rc = r8169_mdio_register(tp); + if (rc) + return rc; + + /* chip gets powered up in rtl_open() */ + rtl_pll_power_down(tp); + + rc = register_netdev(dev); + if (rc) + goto err_mdio_unregister; + + netif_info(tp, probe, dev, "%s, %pM, XID %08x, IRQ %d\n", + rtl_chip_infos[chipset].name, dev->dev_addr, + (u32)(RTL_R32(tp, TxConfig) & 0xfcf0f8ff), + pci_irq_vector(pdev, 0)); + + if (jumbo_max > JUMBO_1K) + netif_info(tp, probe, dev, + "jumbo features [frames: %d bytes, tx checksumming: %s]\n", + jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ? + "ok" : "ko"); + + if (r8168_check_dash(tp)) + rtl8168_driver_start(tp); + + if (pci_dev_run_wake(pdev)) + pm_runtime_put_sync(&pdev->dev); + + return 0; + +err_mdio_unregister: + mdiobus_unregister(tp->mii_bus); + return rc; +} + +static struct pci_driver rtl8169_pci_driver = { + .name = MODULENAME, + .id_table = rtl8169_pci_tbl, + .probe = rtl_init_one, + .remove = rtl_remove_one, + .shutdown = rtl_shutdown, + .driver.pm = RTL8169_PM_OPS, +}; + +module_pci_driver(rtl8169_pci_driver); diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index 302079e22b06..186f35b2b182 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1232,7 +1232,7 @@ static int gelic_wl_set_encodeext(struct net_device *netdev, key_index = wl->current_key; if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) { - /* reques to change default key index */ + /* request to change default key index */ pr_debug("%s: request to change default key to %d\n", __func__, key_index); wl->current_key = key_index; diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 2718b0507f71..615edcb88037 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -548,8 +548,9 @@ static int gtp_build_skb_ip4(struct sk_buff *skb, struct net_device *dev, rt->dst.ops->update_pmtu(&rt->dst, NULL, skb, mtu, false); - if (!skb_is_gso(skb) && (iph->frag_off & htons(IP_DF)) && - mtu < ntohs(iph->tot_len)) { + if (iph->frag_off & htons(IP_DF) && + ((!skb_is_gso(skb) && skb->len > mtu) || + (skb_is_gso(skb) && !skb_gso_validate_network_len(skb, mtu)))) { netdev_dbg(dev, "packet too big, fragmentation needed\n"); icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c index 09281aca86c2..74397381e7d7 100644 --- a/drivers/nvmem/imx-ocotp.c +++ b/drivers/nvmem/imx-ocotp.c @@ -439,7 +439,7 @@ static const struct ocotp_params imx6sl_params = { }; static const struct ocotp_params imx6sll_params = { - .nregs = 128, + .nregs = 80, .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, }; @@ -451,7 +451,7 @@ static const struct ocotp_params imx6sx_params = { }; static const struct ocotp_params imx6ul_params = { - .nregs = 128, + .nregs = 144, .bank_address_words = 0, .set_timing = imx_ocotp_set_imx6_timing, }; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index fa9d6c8f1cf8..3a165710fbb8 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -599,7 +599,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, quirk_ati_ /* * In the AMD NL platform, this device ([1022:7912]) has a class code of * PCI_CLASS_SERIAL_USB_XHCI (0x0c0330), which means the xhci driver will - * claim it. + * claim it. The same applies on the VanGogh platform device ([1022:163a]). * * But the dwc3 driver is a more specific driver for this device, and we'd * prefer to use it instead of xhci. To prevent xhci from claiming the @@ -607,7 +607,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, quirk_ati_ * defines as "USB device (not host controller)". The dwc3 driver can then * claim it based on its Vendor and Device ID. */ -static void quirk_amd_nl_class(struct pci_dev *pdev) +static void quirk_amd_dwc_class(struct pci_dev *pdev) { u32 class = pdev->class; @@ -617,7 +617,9 @@ static void quirk_amd_nl_class(struct pci_dev *pdev) class, pdev->class); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB, - quirk_amd_nl_class); + quirk_amd_dwc_class); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VANGOGH_USB, + quirk_amd_dwc_class); /* * Let's make the southbridge information explicit instead of having to diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index 57a79bddb286..95612878a841 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -31,7 +31,7 @@ #include <linux/i8042.h> #define ASUS_WMI_KEY_IGNORE (-1) -#define ASUS_WMI_BRN_DOWN 0x20 +#define ASUS_WMI_BRN_DOWN 0x2e #define ASUS_WMI_BRN_UP 0x2f struct module; diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 02e39778d3c6..48d2fb187a1b 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1379,6 +1379,7 @@ static void qcom_glink_rpdev_release(struct device *dev) struct glink_channel *channel = to_glink_channel(rpdev->ept); channel->rpdev = NULL; + kfree(rpdev->driver_override); kfree(rpdev); } diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 65834153ba97..880c7c4deec3 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -332,7 +332,8 @@ field##_store(struct device *dev, struct device_attribute *attr, \ const char *buf, size_t sz) \ { \ struct rpmsg_device *rpdev = to_rpmsg_device(dev); \ - char *new, *old; \ + const char *old; \ + char *new; \ \ new = kstrndup(buf, sz, GFP_KERNEL); \ if (!new) \ @@ -524,24 +525,52 @@ static struct bus_type rpmsg_bus = { .remove = rpmsg_dev_remove, }; -int rpmsg_register_device(struct rpmsg_device *rpdev) +/* + * A helper for registering rpmsg device with driver override and name. + * Drivers should not be using it, but instead rpmsg_register_device(). + */ +int rpmsg_register_device_override(struct rpmsg_device *rpdev, + const char *driver_override) { struct device *dev = &rpdev->dev; int ret; + if (driver_override) + strcpy(rpdev->id.name, driver_override); + dev_set_name(&rpdev->dev, "%s.%s.%d.%d", dev_name(dev->parent), rpdev->id.name, rpdev->src, rpdev->dst); rpdev->dev.bus = &rpmsg_bus; - ret = device_register(&rpdev->dev); + device_initialize(dev); + if (driver_override) { + ret = driver_set_override(dev, &rpdev->driver_override, + driver_override, + strlen(driver_override)); + if (ret) { + dev_err(dev, "device_set_override failed: %d\n", ret); + put_device(dev); + return ret; + } + } + + ret = device_add(dev); if (ret) { - dev_err(dev, "device_register failed: %d\n", ret); + dev_err(dev, "device_add failed: %d\n", ret); + kfree(rpdev->driver_override); + rpdev->driver_override = NULL; put_device(&rpdev->dev); } return ret; } +EXPORT_SYMBOL(rpmsg_register_device_override); + +int rpmsg_register_device(struct rpmsg_device *rpdev) +{ + return rpmsg_register_device_override(rpdev, NULL); +} EXPORT_SYMBOL(rpmsg_register_device); /* diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index 0d791c30b7ea..ebd53616ef5d 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -83,10 +83,7 @@ struct device *rpmsg_find_device(struct device *parent, */ static inline int rpmsg_chrdev_register_device(struct rpmsg_device *rpdev) { - strcpy(rpdev->id.name, "rpmsg_chrdev"); - rpdev->driver_override = "rpmsg_chrdev"; - - return rpmsg_register_device(rpdev); + return rpmsg_register_device_override(rpdev, "rpmsg_ctrl"); } #endif diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index c8d97dc2ca63..bf659bc466dc 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -11182,8 +11182,10 @@ _mpt3sas_init(void) mpt3sas_ctl_init(hbas_to_enumerate); error = pci_register_driver(&mpt3sas_driver); - if (error) + if (error) { + mpt3sas_ctl_exit(hbas_to_enumerate); scsih_exit(); + } return error; } diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 2c224bf70cfd..d05b155b4867 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -4771,6 +4771,12 @@ static const struct pci_device_id serial_pci_tbl[] = { 0, 0, pbn_b1_bt_1_115200 }, + /* + * IntaShield IS-100 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0D60, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_b2_1_115200 }, /* * IntaShield IS-200 */ @@ -4798,10 +4804,14 @@ static const struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_1_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0AA2, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_1_115200 }, /* - * Brainboxes UC-257 + * Brainboxes UC-253/UC-734 */ - { PCI_VENDOR_ID_INTASHIELD, 0x0861, + { PCI_VENDOR_ID_INTASHIELD, 0x0CA1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_2_115200 }, @@ -4837,6 +4847,14 @@ static const struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x08E2, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x08E3, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, /* * Brainboxes UC-310 */ @@ -4847,6 +4865,14 @@ static const struct pci_device_id serial_pci_tbl[] = { /* * Brainboxes UC-313 */ + { PCI_VENDOR_ID_INTASHIELD, 0x08A1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x08A2, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, { PCI_VENDOR_ID_INTASHIELD, 0x08A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, @@ -4861,6 +4887,10 @@ static const struct pci_device_id serial_pci_tbl[] = { /* * Brainboxes UC-346 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0B01, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_4_115200 }, { PCI_VENDOR_ID_INTASHIELD, 0x0B02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, @@ -4872,6 +4902,10 @@ static const struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0A82, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, { PCI_VENDOR_ID_INTASHIELD, 0x0A83, PCI_ANY_ID, PCI_ANY_ID, 0, 0, @@ -4884,12 +4918,94 @@ static const struct pci_device_id serial_pci_tbl[] = { 0, 0, pbn_b2_4_115200 }, /* - * Brainboxes UC-420/431 + * Brainboxes UC-420 */ { PCI_VENDOR_ID_INTASHIELD, 0x0921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b2_4_115200 }, + /* + * Brainboxes UC-607 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x09A1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x09A2, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x09A3, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-836 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0D41, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_4_115200 }, + /* + * Brainboxes UP-189 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0AC1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0AC2, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0AC3, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UP-200 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0B21, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0B22, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0B23, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UP-869 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0C01, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0C02, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0C03, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UP-880 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0C21, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0C22, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0C23, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, /* * Perle PCI-RAS cards */ diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h index fb99e526cd48..7f7534098d53 100644 --- a/drivers/usb/storage/unusual_cypress.h +++ b/drivers/usb/storage/unusual_cypress.h @@ -19,7 +19,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999, "Cypress ISD-300LP", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), -UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160, +UNUSUAL_DEV( 0x14cd, 0x6116, 0x0150, 0x0160, "Super Top", "USB 2.0 SATA BRIDGE", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index 05111e90f168..5ef008e9c61c 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -3435,11 +3435,15 @@ static int atyfb_setup_generic(struct pci_dev *pdev, struct fb_info *info, } info->fix.mmio_start = raddr; +#if defined(__i386__) || defined(__ia64__) /* * By using strong UC we force the MTRR to never have an * effect on the MMIO region on both non-PAT and PAT systems. */ par->ati_regbase = ioremap_uc(info->fix.mmio_start, 0x1000); +#else + par->ati_regbase = ioremap(info->fix.mmio_start, 0x1000); +#endif if (par->ati_regbase == NULL) return -ENOMEM; diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index f6ebca883912..1ded93f106f0 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -1932,10 +1932,10 @@ static void uvesafb_exit(void) } } - cn_del_callback(&uvesafb_cn_id); driver_remove_file(&uvesafb_driver.driver, &driver_attr_v86d); platform_device_unregister(uvesafb_device); platform_driver_unregister(&uvesafb_driver); + cn_del_callback(&uvesafb_cn_id); } module_exit(uvesafb_exit); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 1afcbef397ab..017444b3f745 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -345,7 +345,11 @@ static inline s64 towards_target(struct virtio_balloon *vb) if (!virtio_has_feature(vb->vdev, VIRTIO_F_VERSION_1)) num_pages = le32_to_cpu((__force __le32)num_pages); - target = num_pages; + /* + * Aligned up to guest page size to avoid inflating and deflating + * balloon endlessly. + */ + target = ALIGN(num_pages, VIRTIO_BALLOON_PAGES_PER_PAGE); return target - vb->num_pages; } diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 07be3a374efb..3597d7b7feda 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -561,14 +561,17 @@ static int virtio_mmio_probe(struct platform_device *pdev) spin_lock_init(&vm_dev->lock); vm_dev->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(vm_dev->base)) - return PTR_ERR(vm_dev->base); + if (IS_ERR(vm_dev->base)) { + rc = PTR_ERR(vm_dev->base); + goto free_vm_dev; + } /* Check magic value */ magic = readl(vm_dev->base + VIRTIO_MMIO_MAGIC_VALUE); if (magic != ('v' | 'i' << 8 | 'r' << 16 | 't' << 24)) { dev_warn(&pdev->dev, "Wrong magic value 0x%08lx!\n", magic); - return -ENODEV; + rc = -ENODEV; + goto free_vm_dev; } /* Check device version */ @@ -576,7 +579,8 @@ static int virtio_mmio_probe(struct platform_device *pdev) if (vm_dev->version < 1 || vm_dev->version > 2) { dev_err(&pdev->dev, "Version %ld not supported!\n", vm_dev->version); - return -ENXIO; + rc = -ENXIO; + goto free_vm_dev; } vm_dev->vdev.id.device = readl(vm_dev->base + VIRTIO_MMIO_DEVICE_ID); @@ -585,7 +589,8 @@ static int virtio_mmio_probe(struct platform_device *pdev) * virtio-mmio device with an ID 0 is a (dummy) placeholder * with no function. End probing now with no error reported. */ - return -ENODEV; + rc = -ENODEV; + goto free_vm_dev; } vm_dev->vdev.id.vendor = readl(vm_dev->base + VIRTIO_MMIO_VENDOR_ID); @@ -615,6 +620,10 @@ static int virtio_mmio_probe(struct platform_device *pdev) put_device(&vm_dev->vdev.dev); return rc; + +free_vm_dev: + kfree(vm_dev); + return rc; } static int virtio_mmio_remove(struct platform_device *pdev) diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index ea1d8cfab430..117dc475bea8 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -706,8 +706,13 @@ static struct rdma_cm_id *smbd_create_id( log_rdma_event(ERR, "rdma_resolve_addr() failed %i\n", rc); goto out; } - wait_for_completion_interruptible_timeout( + rc = wait_for_completion_interruptible_timeout( &info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT)); + /* e.g. if interrupted returns -ERESTARTSYS */ + if (rc < 0) { + log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc); + goto out; + } rc = info->ri_rc; if (rc) { log_rdma_event(ERR, "rdma_resolve_addr() completed %i\n", rc); @@ -720,8 +725,13 @@ static struct rdma_cm_id *smbd_create_id( log_rdma_event(ERR, "rdma_resolve_route() failed %i\n", rc); goto out; } - wait_for_completion_interruptible_timeout( + rc = wait_for_completion_interruptible_timeout( &info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT)); + /* e.g. if interrupted returns -ERESTARTSYS */ + if (rc < 0) { + log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc); + goto out; + } rc = info->ri_rc; if (rc) { log_rdma_event(ERR, "rdma_resolve_route() completed %i\n", rc); diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index ff447bbb5248..fb4494c54484 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -958,7 +958,8 @@ static void gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, if (phase == 3) { inode = f2fs_iget(sb, dni.ino); - if (IS_ERR(inode) || is_bad_inode(inode)) + if (IS_ERR(inode) || is_bad_inode(inode) || + special_file(inode->i_mode)) continue; if (!down_write_trylock( diff --git a/fs/nfs/write.c b/fs/nfs/write.c index ec0fd6b3d185..65aaa6eaad2c 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -598,9 +598,8 @@ nfs_lock_and_join_requests(struct page *page) static void nfs_write_error_remove_page(struct nfs_page *req) { + SetPageError(req->wb_page); nfs_end_page_writeback(req); - generic_error_remove_page(page_file_mapping(req->wb_page), - req->wb_page); nfs_release_request(req); } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 28e7f86c8c94..a7231d17e359 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1691,6 +1691,12 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, if (!flen || isdotent(fname, flen) || !tlen || isdotent(tname, tlen)) goto out; + err = (rqstp->rq_vers == 2) ? nfserr_acces : nfserr_xdev; + if (ffhp->fh_export->ex_path.mnt != tfhp->fh_export->ex_path.mnt) + goto out; + if (ffhp->fh_export->ex_path.dentry != tfhp->fh_export->ex_path.dentry) + goto out; + host_err = fh_want_write(ffhp); if (host_err) { err = nfserrno(host_err); @@ -1724,12 +1730,6 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, if (ndentry == trap) goto out_dput_new; - host_err = -EXDEV; - if (ffhp->fh_export->ex_path.mnt != tfhp->fh_export->ex_path.mnt) - goto out_dput_new; - if (ffhp->fh_export->ex_path.dentry != tfhp->fh_export->ex_path.dentry) - goto out_dput_new; - host_err = vfs_rename(fdir, odentry, tdir, ndentry, NULL, 0); if (!host_err) { host_err = commit_metadata(tfhp); diff --git a/include/linux/device.h b/include/linux/device.h index 37e359d81a86..bccd367c11de 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -330,6 +330,8 @@ extern int __must_check driver_create_file(struct device_driver *driver, extern void driver_remove_file(struct device_driver *driver, const struct driver_attribute *attr); +int driver_set_override(struct device *dev, const char **override, + const char *s, size_t len); extern int __must_check driver_for_each_device(struct device_driver *drv, struct device *start, void *data, diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 78c1cd4dfdc0..76d5490231a7 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -553,6 +553,7 @@ #define PCI_DEVICE_ID_AMD_17H_M10H_DF_F3 0x15eb #define PCI_DEVICE_ID_AMD_17H_M30H_DF_F3 0x1493 #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F3 0x1443 +#define PCI_DEVICE_ID_AMD_VANGOGH_USB 0x163a #define PCI_DEVICE_ID_AMD_19H_DF_F3 0x1653 #define PCI_DEVICE_ID_AMD_CNB17H_F3 0x1703 #define PCI_DEVICE_ID_AMD_LANCE 0x2000 diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 9e5c98fcea8c..8268439975b2 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -29,7 +29,11 @@ struct platform_device { struct resource *resource; const struct platform_device_id *id_entry; - char *driver_override; /* Driver name to force a match */ + /* + * Driver name to force a match. Do not set directly, because core + * frees it. Use driver_set_override() to set or clear it. + */ + const char *driver_override; /* MFD cell pointer */ struct mfd_cell *mfd_cell; diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index a68972b097b7..267533fecbdd 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -41,7 +41,9 @@ struct rpmsg_channel_info { * rpmsg_device - device that belong to the rpmsg bus * @dev: the device struct * @id: device id (used to match between rpmsg drivers and devices) - * @driver_override: driver name to force a match + * @driver_override: driver name to force a match; do not set directly, + * because core frees it; use driver_set_override() to + * set or clear it. * @src: local address * @dst: destination address * @ept: the rpmsg endpoint of this channel @@ -50,7 +52,7 @@ struct rpmsg_channel_info { struct rpmsg_device { struct device dev; struct rpmsg_device_id id; - char *driver_override; + const char *driver_override; u32 src; u32 dst; struct rpmsg_endpoint *ept; @@ -113,6 +115,8 @@ struct rpmsg_driver { #if IS_ENABLED(CONFIG_RPMSG) +int rpmsg_register_device_override(struct rpmsg_device *rpdev, + const char *driver_override); int register_rpmsg_device(struct rpmsg_device *dev); void unregister_rpmsg_device(struct rpmsg_device *dev); int __register_rpmsg_driver(struct rpmsg_driver *drv, struct module *owner); @@ -137,6 +141,12 @@ __poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, #else +static inline int rpmsg_register_device_override(struct rpmsg_device *rpdev, + const char *driver_override) +{ + return -ENXIO; +} + static inline int register_rpmsg_device(struct rpmsg_device *dev) { return -ENXIO; diff --git a/kernel/events/core.c b/kernel/events/core.c index 8f3f3cc08496..3c8eb5d84214 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -11629,7 +11629,8 @@ static int inherit_group(struct perf_event *parent_event, if (IS_ERR(child_ctr)) return PTR_ERR(child_ctr); } - leader->group_generation = parent_event->group_generation; + if (leader) + leader->group_generation = parent_event->group_generation; return 0; } diff --git a/lib/kobject.c b/lib/kobject.c index 2bab65232925..a45eb05c79fe 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -135,7 +135,7 @@ static int get_kobj_path_length(struct kobject *kobj) return length; } -static void fill_kobj_path(struct kobject *kobj, char *path, int length) +static int fill_kobj_path(struct kobject *kobj, char *path, int length) { struct kobject *parent; @@ -144,12 +144,16 @@ static void fill_kobj_path(struct kobject *kobj, char *path, int length) int cur = strlen(kobject_name(parent)); /* back up enough to print this name with '/' */ length -= cur; + if (length <= 0) + return -EINVAL; memcpy(path + length, kobject_name(parent), cur); *(path + --length) = '/'; } pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj), kobj, __func__, path); + + return 0; } /** @@ -165,13 +169,17 @@ char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask) char *path; int len; +retry: len = get_kobj_path_length(kobj); if (len == 0) return NULL; path = kzalloc(len, gfp_mask); if (!path) return NULL; - fill_kobj_path(kobj, path, len); + if (fill_kobj_path(kobj, path, len)) { + kfree(path); + goto retry; + } return path; } diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index da05c4d82b94..1735bcb07381 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -631,8 +631,8 @@ nfulnl_log_packet(struct net *net, unsigned int plen = 0; struct nfnl_log_net *log = nfnl_log_pernet(net); const struct nfnl_ct_hook *nfnl_ct = NULL; + enum ip_conntrack_info ctinfo = 0; struct nf_conn *ct = NULL; - enum ip_conntrack_info ctinfo; if (li_user && li_user->type == NF_LOG_TYPE_ULOG) li = li_user; diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index d34000182f67..a713e9649b56 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3278,6 +3278,8 @@ int rt5645_set_jack_detect(struct snd_soc_component *component, RT5645_GP1_PIN_IRQ, RT5645_GP1_PIN_IRQ); regmap_update_bits(rt5645->regmap, RT5645_GEN_CTRL1, RT5645_DIG_GATE_CTRL, RT5645_DIG_GATE_CTRL); + regmap_update_bits(rt5645->regmap, RT5645_DEPOP_M1, + RT5645_HP_CB_MASK, RT5645_HP_CB_PU); } rt5645_irq(0, rt5645); diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 64bf3560c1d1..7567ee380283 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -404,10 +404,12 @@ static int asoc_simple_card_probe(struct platform_device *pdev) } else { struct asoc_simple_card_info *cinfo; + ret = -EINVAL; + cinfo = dev->platform_data; if (!cinfo) { dev_err(dev, "no info for asoc-simple-card\n"); - return -EINVAL; + goto err; } if (!cinfo->name || @@ -416,7 +418,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) !cinfo->platform || !cinfo->cpu_dai.name) { dev_err(dev, "insufficient asoc_simple_card_info settings\n"); - return -EINVAL; + goto err; } card->name = (cinfo->card) ? cinfo->card : cinfo->name; diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc new file mode 100644 index 000000000000..bc9514428dba --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc @@ -0,0 +1,13 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Test failure of registering kprobe on non unique symbol +# requires: kprobe_events + +SYMBOL='name_show' + +# We skip this test on kernel where SYMBOL is unique or does not exist. +if [ "$(grep -c -E "[[:alnum:]]+ t ${SYMBOL}" /proc/kallsyms)" -le '1' ]; then + exit_unsupported +fi + +! echo "p:test_non_unique ${SYMBOL}" > kprobe_events