From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> --- .../bindings/net/wireless/silabs,wfx.yaml | 125 --- drivers/staging/wfx/Kconfig | 8 - drivers/staging/wfx/Makefile | 25 - drivers/staging/wfx/bh.c | 330 ------- drivers/staging/wfx/bh.h | 33 - drivers/staging/wfx/bus.h | 38 - drivers/staging/wfx/bus_sdio.c | 272 ------ drivers/staging/wfx/bus_spi.c | 271 ------ drivers/staging/wfx/data_rx.c | 94 -- drivers/staging/wfx/data_rx.h | 18 - drivers/staging/wfx/data_tx.c | 596 ------------- drivers/staging/wfx/data_tx.h | 68 -- drivers/staging/wfx/debug.c | 365 -------- drivers/staging/wfx/debug.h | 19 - drivers/staging/wfx/fwio.c | 405 --------- drivers/staging/wfx/fwio.h | 15 - drivers/staging/wfx/hif_api_cmd.h | 555 ------------ drivers/staging/wfx/hif_api_general.h | 262 ------ drivers/staging/wfx/hif_api_mib.h | 346 -------- drivers/staging/wfx/hif_rx.c | 416 --------- drivers/staging/wfx/hif_rx.h | 17 - drivers/staging/wfx/hif_tx.c | 513 ----------- drivers/staging/wfx/hif_tx.h | 60 -- drivers/staging/wfx/hif_tx_mib.c | 324 ------- drivers/staging/wfx/hif_tx_mib.h | 49 - drivers/staging/wfx/hwio.c | 352 -------- drivers/staging/wfx/hwio.h | 75 -- drivers/staging/wfx/key.c | 241 ----- drivers/staging/wfx/key.h | 20 - drivers/staging/wfx/main.c | 506 ----------- drivers/staging/wfx/main.h | 43 - drivers/staging/wfx/queue.c | 307 ------- drivers/staging/wfx/queue.h | 45 - drivers/staging/wfx/scan.c | 149 ---- drivers/staging/wfx/scan.h | 22 - drivers/staging/wfx/sta.c | 834 ------------------ drivers/staging/wfx/sta.h | 73 -- drivers/staging/wfx/traces.h | 501 ----------- drivers/staging/wfx/wfx.h | 164 ---- 39 files changed, 8556 deletions(-) delete mode 100644 drivers/staging/wfx/Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml delete mode 100644 drivers/staging/wfx/Kconfig delete mode 100644 drivers/staging/wfx/Makefile delete mode 100644 drivers/staging/wfx/bh.c delete mode 100644 drivers/staging/wfx/bh.h delete mode 100644 drivers/staging/wfx/bus.h delete mode 100644 drivers/staging/wfx/bus_sdio.c delete mode 100644 drivers/staging/wfx/bus_spi.c delete mode 100644 drivers/staging/wfx/data_rx.c delete mode 100644 drivers/staging/wfx/data_rx.h delete mode 100644 drivers/staging/wfx/data_tx.c delete mode 100644 drivers/staging/wfx/data_tx.h delete mode 100644 drivers/staging/wfx/debug.c delete mode 100644 drivers/staging/wfx/debug.h delete mode 100644 drivers/staging/wfx/fwio.c delete mode 100644 drivers/staging/wfx/fwio.h delete mode 100644 drivers/staging/wfx/hif_api_cmd.h delete mode 100644 drivers/staging/wfx/hif_api_general.h delete mode 100644 drivers/staging/wfx/hif_api_mib.h delete mode 100644 drivers/staging/wfx/hif_rx.c delete mode 100644 drivers/staging/wfx/hif_rx.h delete mode 100644 drivers/staging/wfx/hif_tx.c delete mode 100644 drivers/staging/wfx/hif_tx.h delete mode 100644 drivers/staging/wfx/hif_tx_mib.c delete mode 100644 drivers/staging/wfx/hif_tx_mib.h delete mode 100644 drivers/staging/wfx/hwio.c delete mode 100644 drivers/staging/wfx/hwio.h delete mode 100644 drivers/staging/wfx/key.c delete mode 100644 drivers/staging/wfx/key.h delete mode 100644 drivers/staging/wfx/main.c delete mode 100644 drivers/staging/wfx/main.h delete mode 100644 drivers/staging/wfx/queue.c delete mode 100644 drivers/staging/wfx/queue.h delete mode 100644 drivers/staging/wfx/scan.c delete mode 100644 drivers/staging/wfx/scan.h delete mode 100644 drivers/staging/wfx/sta.c delete mode 100644 drivers/staging/wfx/sta.h delete mode 100644 drivers/staging/wfx/traces.h delete mode 100644 drivers/staging/wfx/wfx.h diff --git a/drivers/staging/wfx/Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml b/drivers/staging/wfx/Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml deleted file mode 100644 index 510edd12ed19..000000000000 --- a/drivers/staging/wfx/Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml +++ /dev/null @@ -1,125 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -# Copyright (c) 2020, Silicon Laboratories, Inc. -%YAML 1.2 ---- - -$id: http://devicetree.org/schemas/net/wireless/silabs,wfx.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Silicon Labs WFxxx devicetree bindings - -maintainers: - - Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> - -description: - The WFxxx chip series can be connected via SPI or via SDIO. - - For SDIO':' - - The driver is able to detect a WFxxx chip on SDIO bus by matching its Vendor - ID and Product ID. However, driver will only provide limited features in - this case. Thus declaring WFxxx chip in device tree is recommended (and may - become mandatory in the future). - - In addition, it is recommended to declare a mmc-pwrseq on SDIO host above - WFx. Without it, you may encounter issues with warm boot. The mmc-pwrseq - should be compatible with mmc-pwrseq-simple. Please consult - Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml for more - information. - - For SPI':' - - In add of the properties below, please consult - Documentation/devicetree/bindings/spi/spi-controller.yaml for optional SPI - related properties. - - Note that in add of the properties below, the WFx driver also supports - `mac-address` and `local-mac-address` as described in - Documentation/devicetree/bindings/net/ethernet.txt - -properties: - compatible: - const: silabs,wf200 - reg: - description: - When used on SDIO bus, <reg> must be set to 1. When used on SPI bus, it is - the chip select address of the device as defined in the SPI devices - bindings. - maxItems: 1 - spi-max-frequency: - description: (SPI only) Maximum SPI clocking speed of device in Hz. - maxItems: 1 - interrupts: - description: The interrupt line. Triggers IRQ_TYPE_LEVEL_HIGH and - IRQ_TYPE_EDGE_RISING are both supported by the chip and the driver. When - SPI is used, this property is required. When SDIO is used, the "in-band" - interrupt provided by the SDIO bus is used unless an interrupt is defined - in the Device Tree. - maxItems: 1 - reset-gpios: - description: (SPI only) Phandle of gpio that will be used to reset chip - during probe. Without this property, you may encounter issues with warm - boot. (For legacy purpose, the gpio in inverted when compatible == - "silabs,wfx-spi") - - For SDIO, the reset gpio should declared using a mmc-pwrseq. - maxItems: 1 - wakeup-gpios: - description: Phandle of gpio that will be used to wake-up chip. Without this - property, driver will disable most of power saving features. - maxItems: 1 - config-file: - description: Use an alternative file as PDS. Default is `wf200.pds`. Only - necessary for development/debug purpose. - maxItems: 1 - -required: - - compatible - - reg - -examples: - - | - #include <dt-bindings/gpio/gpio.h> - #include <dt-bindings/interrupt-controller/irq.h> - - spi0 { - #address-cells = <1>; - #size-cells = <0>; - - wfx@0 { - compatible = "silabs,wf200"; - pinctrl-names = "default"; - pinctrl-0 = <&wfx_irq &wfx_gpios>; - reg = <0>; - interrupts-extended = <&gpio 16 IRQ_TYPE_EDGE_RISING>; - wakeup-gpios = <&gpio 12 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio 13 GPIO_ACTIVE_LOW>; - spi-max-frequency = <42000000>; - }; - }; - - - | - #include <dt-bindings/gpio/gpio.h> - #include <dt-bindings/interrupt-controller/irq.h> - - wfx_pwrseq: wfx_pwrseq { - compatible = "mmc-pwrseq-simple"; - pinctrl-names = "default"; - pinctrl-0 = <&wfx_reset>; - reset-gpios = <&gpio 13 GPIO_ACTIVE_LOW>; - }; - - mmc0 { - mmc-pwrseq = <&wfx_pwrseq>; - #address-cells = <1>; - #size-cells = <0>; - - mmc@1 { - compatible = "silabs,wf200"; - pinctrl-names = "default"; - pinctrl-0 = <&wfx_wakeup>; - reg = <1>; - wakeup-gpios = <&gpio 12 GPIO_ACTIVE_HIGH>; - }; - }; -... diff --git a/drivers/staging/wfx/Kconfig b/drivers/staging/wfx/Kconfig deleted file mode 100644 index 83ee4d0ca8c6..000000000000 --- a/drivers/staging/wfx/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -config WFX - tristate "Silicon Labs wireless chips WF200 and further" - depends on MAC80211 - depends on MMC || !MMC # do not allow WFX=y if MMC=m - depends on (SPI || MMC) - help - This is a driver for Silicons Labs WFxxx series (WF200 and further) - chipsets. This chip can be found on SPI or SDIO buses. diff --git a/drivers/staging/wfx/Makefile b/drivers/staging/wfx/Makefile deleted file mode 100644 index 0e0cc982ceab..000000000000 --- a/drivers/staging/wfx/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -# Necessary for CREATE_TRACE_POINTS -CFLAGS_debug.o = -I$(src) - -wfx-y := \ - bh.o \ - hwio.o \ - fwio.o \ - hif_tx_mib.o \ - hif_tx.o \ - hif_rx.o \ - queue.o \ - data_tx.o \ - data_rx.o \ - scan.o \ - sta.o \ - key.o \ - main.o \ - sta.o \ - debug.o -wfx-$(CONFIG_SPI) += bus_spi.o -wfx-$(subst m,y,$(CONFIG_MMC)) += bus_sdio.o - -obj-$(CONFIG_WFX) += wfx.o diff --git a/drivers/staging/wfx/bh.c b/drivers/staging/wfx/bh.c deleted file mode 100644 index a0f9d1b53019..000000000000 --- a/drivers/staging/wfx/bh.c +++ /dev/null @@ -1,330 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Interrupt bottom half (BH). - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/gpio/consumer.h> -#include <net/mac80211.h> - -#include "bh.h" -#include "wfx.h" -#include "hwio.h" -#include "traces.h" -#include "hif_rx.h" -#include "hif_api_cmd.h" - -static void device_wakeup(struct wfx_dev *wdev) -{ - int max_retry = 3; - - if (!wdev->pdata.gpio_wakeup) - return; - if (gpiod_get_value_cansleep(wdev->pdata.gpio_wakeup) > 0) - return; - - if (wfx_api_older_than(wdev, 1, 4)) { - gpiod_set_value_cansleep(wdev->pdata.gpio_wakeup, 1); - if (!completion_done(&wdev->hif.ctrl_ready)) - usleep_range(2000, 2500); - return; - } - for (;;) { - gpiod_set_value_cansleep(wdev->pdata.gpio_wakeup, 1); - /* completion.h does not provide any function to wait - * completion without consume it (a kind of - * wait_for_completion_done_timeout()). So we have to emulate - * it. - */ - if (wait_for_completion_timeout(&wdev->hif.ctrl_ready, - msecs_to_jiffies(2))) { - complete(&wdev->hif.ctrl_ready); - return; - } else if (max_retry-- > 0) { - /* Older firmwares have a race in sleep/wake-up process. - * Redo the process is sufficient to unfreeze the - * chip. - */ - dev_err(wdev->dev, "timeout while wake up chip\n"); - gpiod_set_value_cansleep(wdev->pdata.gpio_wakeup, 0); - usleep_range(2000, 2500); - } else { - dev_err(wdev->dev, "max wake-up retries reached\n"); - return; - } - } -} - -static void device_release(struct wfx_dev *wdev) -{ - if (!wdev->pdata.gpio_wakeup) - return; - - gpiod_set_value_cansleep(wdev->pdata.gpio_wakeup, 0); -} - -static int rx_helper(struct wfx_dev *wdev, size_t read_len, int *is_cnf) -{ - struct sk_buff *skb; - struct hif_msg *hif; - size_t alloc_len; - size_t computed_len; - int release_count; - int piggyback = 0; - - WARN(read_len > round_down(0xFFF, 2) * sizeof(u16), - "%s: request exceed the chip capability", __func__); - - /* Add 2 to take into account piggyback size */ - alloc_len = wdev->hwbus_ops->align_size(wdev->hwbus_priv, read_len + 2); - skb = dev_alloc_skb(alloc_len); - if (!skb) - return -ENOMEM; - - if (wfx_data_read(wdev, skb->data, alloc_len)) - goto err; - - piggyback = le16_to_cpup((__le16 *)(skb->data + alloc_len - 2)); - _trace_piggyback(piggyback, false); - - hif = (struct hif_msg *)skb->data; - WARN(hif->encrypted & 0x3, "encryption is unsupported"); - if (WARN(read_len < sizeof(struct hif_msg), "corrupted read")) - goto err; - computed_len = le16_to_cpu(hif->len); - computed_len = round_up(computed_len, 2); - if (computed_len != read_len) { - dev_err(wdev->dev, "inconsistent message length: %zu != %zu\n", - computed_len, read_len); - print_hex_dump(KERN_INFO, "hif: ", DUMP_PREFIX_OFFSET, 16, 1, - hif, read_len, true); - goto err; - } - - if (!(hif->id & HIF_ID_IS_INDICATION)) { - (*is_cnf)++; - if (hif->id == HIF_CNF_ID_MULTI_TRANSMIT) - release_count = ((struct hif_cnf_multi_transmit *)hif->body)->num_tx_confs; - else - release_count = 1; - WARN(wdev->hif.tx_buffers_used < release_count, "corrupted buffer counter"); - wdev->hif.tx_buffers_used -= release_count; - } - _trace_hif_recv(hif, wdev->hif.tx_buffers_used); - - if (hif->id != HIF_IND_ID_EXCEPTION && hif->id != HIF_IND_ID_ERROR) { - if (hif->seqnum != wdev->hif.rx_seqnum) - dev_warn(wdev->dev, "wrong message sequence: %d != %d\n", - hif->seqnum, wdev->hif.rx_seqnum); - wdev->hif.rx_seqnum = (hif->seqnum + 1) % (HIF_COUNTER_MAX + 1); - } - - skb_put(skb, le16_to_cpu(hif->len)); - /* wfx_handle_rx takes care on SKB livetime */ - wfx_handle_rx(wdev, skb); - if (!wdev->hif.tx_buffers_used) - wake_up(&wdev->hif.tx_buffers_empty); - - return piggyback; - -err: - if (skb) - dev_kfree_skb(skb); - return -EIO; -} - -static int bh_work_rx(struct wfx_dev *wdev, int max_msg, int *num_cnf) -{ - size_t len; - int i; - int ctrl_reg, piggyback; - - piggyback = 0; - for (i = 0; i < max_msg; i++) { - if (piggyback & CTRL_NEXT_LEN_MASK) - ctrl_reg = piggyback; - else if (try_wait_for_completion(&wdev->hif.ctrl_ready)) - ctrl_reg = atomic_xchg(&wdev->hif.ctrl_reg, 0); - else - ctrl_reg = 0; - if (!(ctrl_reg & CTRL_NEXT_LEN_MASK)) - return i; - /* ctrl_reg units are 16bits words */ - len = (ctrl_reg & CTRL_NEXT_LEN_MASK) * 2; - piggyback = rx_helper(wdev, len, num_cnf); - if (piggyback < 0) - return i; - if (!(piggyback & CTRL_WLAN_READY)) - dev_err(wdev->dev, "unexpected piggyback value: ready bit not set: %04x\n", - piggyback); - } - if (piggyback & CTRL_NEXT_LEN_MASK) { - ctrl_reg = atomic_xchg(&wdev->hif.ctrl_reg, piggyback); - complete(&wdev->hif.ctrl_ready); - if (ctrl_reg) - dev_err(wdev->dev, "unexpected IRQ happened: %04x/%04x\n", - ctrl_reg, piggyback); - } - return i; -} - -static void tx_helper(struct wfx_dev *wdev, struct hif_msg *hif) -{ - int ret; - void *data; - bool is_encrypted = false; - size_t len = le16_to_cpu(hif->len); - - WARN(len < sizeof(*hif), "try to send corrupted data"); - - hif->seqnum = wdev->hif.tx_seqnum; - wdev->hif.tx_seqnum = (wdev->hif.tx_seqnum + 1) % (HIF_COUNTER_MAX + 1); - - data = hif; - WARN(len > wdev->hw_caps.size_inp_ch_buf, - "%s: request exceed the chip capability: %zu > %d\n", __func__, - len, wdev->hw_caps.size_inp_ch_buf); - len = wdev->hwbus_ops->align_size(wdev->hwbus_priv, len); - ret = wfx_data_write(wdev, data, len); - if (ret) - goto end; - - wdev->hif.tx_buffers_used++; - _trace_hif_send(hif, wdev->hif.tx_buffers_used); -end: - if (is_encrypted) - kfree(data); -} - -static int bh_work_tx(struct wfx_dev *wdev, int max_msg) -{ - struct hif_msg *hif; - int i; - - for (i = 0; i < max_msg; i++) { - hif = NULL; - if (wdev->hif.tx_buffers_used < wdev->hw_caps.num_inp_ch_bufs) { - if (try_wait_for_completion(&wdev->hif_cmd.ready)) { - WARN(!mutex_is_locked(&wdev->hif_cmd.lock), "data locking error"); - hif = wdev->hif_cmd.buf_send; - } else { - hif = wfx_tx_queues_get(wdev); - } - } - if (!hif) - return i; - tx_helper(wdev, hif); - } - return i; -} - -/* In SDIO mode, it is necessary to make an access to a register to acknowledge - * last received message. It could be possible to restrict this acknowledge to - * SDIO mode and only if last operation was rx. - */ -static void ack_sdio_data(struct wfx_dev *wdev) -{ - u32 cfg_reg; - - config_reg_read(wdev, &cfg_reg); - if (cfg_reg & 0xFF) { - dev_warn(wdev->dev, "chip reports errors: %02x\n", - cfg_reg & 0xFF); - config_reg_write_bits(wdev, 0xFF, 0x00); - } -} - -static void bh_work(struct work_struct *work) -{ - struct wfx_dev *wdev = container_of(work, struct wfx_dev, hif.bh); - int stats_req = 0, stats_cnf = 0, stats_ind = 0; - bool release_chip = false, last_op_is_rx = false; - int num_tx, num_rx; - - device_wakeup(wdev); - do { - num_tx = bh_work_tx(wdev, 32); - stats_req += num_tx; - if (num_tx) - last_op_is_rx = false; - num_rx = bh_work_rx(wdev, 32, &stats_cnf); - stats_ind += num_rx; - if (num_rx) - last_op_is_rx = true; - } while (num_rx || num_tx); - stats_ind -= stats_cnf; - - if (last_op_is_rx) - ack_sdio_data(wdev); - if (!wdev->hif.tx_buffers_used && !work_pending(work)) { - device_release(wdev); - release_chip = true; - } - _trace_bh_stats(stats_ind, stats_req, stats_cnf, - wdev->hif.tx_buffers_used, release_chip); -} - -/* An IRQ from chip did occur */ -void wfx_bh_request_rx(struct wfx_dev *wdev) -{ - u32 cur, prev; - - control_reg_read(wdev, &cur); - prev = atomic_xchg(&wdev->hif.ctrl_reg, cur); - complete(&wdev->hif.ctrl_ready); - queue_work(system_highpri_wq, &wdev->hif.bh); - - if (!(cur & CTRL_NEXT_LEN_MASK)) - dev_err(wdev->dev, "unexpected control register value: length field is 0: %04x\n", - cur); - if (prev != 0) - dev_err(wdev->dev, "received IRQ but previous data was not (yet) read: %04x/%04x\n", - prev, cur); -} - -/* Driver want to send data */ -void wfx_bh_request_tx(struct wfx_dev *wdev) -{ - queue_work(system_highpri_wq, &wdev->hif.bh); -} - -/* If IRQ is not available, this function allow to manually poll the control - * register and simulate an IRQ ahen an event happened. - * - * Note that the device has a bug: If an IRQ raise while host read control - * register, the IRQ is lost. So, use this function carefully (only duing - * device initialisation). - */ -void wfx_bh_poll_irq(struct wfx_dev *wdev) -{ - ktime_t now, start; - u32 reg; - - WARN(!wdev->poll_irq, "unexpected IRQ polling can mask IRQ"); - start = ktime_get(); - for (;;) { - control_reg_read(wdev, ®); - now = ktime_get(); - if (reg & 0xFFF) - break; - if (ktime_after(now, ktime_add_ms(start, 1000))) { - dev_err(wdev->dev, "time out while polling control register\n"); - return; - } - udelay(200); - } - wfx_bh_request_rx(wdev); -} - -void wfx_bh_register(struct wfx_dev *wdev) -{ - INIT_WORK(&wdev->hif.bh, bh_work); - init_completion(&wdev->hif.ctrl_ready); - init_waitqueue_head(&wdev->hif.tx_buffers_empty); -} - -void wfx_bh_unregister(struct wfx_dev *wdev) -{ - flush_work(&wdev->hif.bh); -} diff --git a/drivers/staging/wfx/bh.h b/drivers/staging/wfx/bh.h deleted file mode 100644 index 6c121ce4dd3f..000000000000 --- a/drivers/staging/wfx/bh.h +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Interrupt bottom half (BH). - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_BH_H -#define WFX_BH_H - -#include <linux/atomic.h> -#include <linux/wait.h> -#include <linux/workqueue.h> - -struct wfx_dev; - -struct wfx_hif { - struct work_struct bh; - struct completion ctrl_ready; - wait_queue_head_t tx_buffers_empty; - atomic_t ctrl_reg; - int rx_seqnum; - int tx_seqnum; - int tx_buffers_used; -}; - -void wfx_bh_register(struct wfx_dev *wdev); -void wfx_bh_unregister(struct wfx_dev *wdev); -void wfx_bh_request_rx(struct wfx_dev *wdev); -void wfx_bh_request_tx(struct wfx_dev *wdev); -void wfx_bh_poll_irq(struct wfx_dev *wdev); - -#endif diff --git a/drivers/staging/wfx/bus.h b/drivers/staging/wfx/bus.h deleted file mode 100644 index ca04b3da6204..000000000000 --- a/drivers/staging/wfx/bus.h +++ /dev/null @@ -1,38 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Common bus abstraction layer. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_BUS_H -#define WFX_BUS_H - -#include <linux/mmc/sdio_func.h> -#include <linux/spi/spi.h> - -#define WFX_REG_CONFIG 0x0 -#define WFX_REG_CONTROL 0x1 -#define WFX_REG_IN_OUT_QUEUE 0x2 -#define WFX_REG_AHB_DPORT 0x3 -#define WFX_REG_BASE_ADDR 0x4 -#define WFX_REG_SRAM_DPORT 0x5 -#define WFX_REG_SET_GEN_R_W 0x6 -#define WFX_REG_FRAME_OUT 0x7 - -struct hwbus_ops { - int (*copy_from_io)(void *bus_priv, unsigned int addr, - void *dst, size_t count); - int (*copy_to_io)(void *bus_priv, unsigned int addr, - const void *src, size_t count); - int (*irq_subscribe)(void *bus_priv); - int (*irq_unsubscribe)(void *bus_priv); - void (*lock)(void *bus_priv); - void (*unlock)(void *bus_priv); - size_t (*align_size)(void *bus_priv, size_t size); -}; - -extern struct sdio_driver wfx_sdio_driver; -extern struct spi_driver wfx_spi_driver; - -#endif diff --git a/drivers/staging/wfx/bus_sdio.c b/drivers/staging/wfx/bus_sdio.c deleted file mode 100644 index a670176ba06f..000000000000 --- a/drivers/staging/wfx/bus_sdio.c +++ /dev/null @@ -1,272 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * SDIO interface. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/module.h> -#include <linux/mmc/sdio.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/card.h> -#include <linux/interrupt.h> -#include <linux/of_irq.h> -#include <linux/irq.h> - -#include "bus.h" -#include "wfx.h" -#include "hwio.h" -#include "main.h" -#include "bh.h" - -static const struct wfx_platform_data wfx_sdio_pdata = { - .file_fw = "wfm_wf200", - .file_pds = "wf200.pds", -}; - -struct wfx_sdio_priv { - struct sdio_func *func; - struct wfx_dev *core; - u8 buf_id_tx; - u8 buf_id_rx; - int of_irq; -}; - -static int wfx_sdio_copy_from_io(void *priv, unsigned int reg_id, - void *dst, size_t count) -{ - struct wfx_sdio_priv *bus = priv; - unsigned int sdio_addr = reg_id << 2; - int ret; - - WARN(reg_id > 7, "chip only has 7 registers"); - WARN(((uintptr_t)dst) & 3, "unaligned buffer size"); - WARN(count & 3, "unaligned buffer address"); - - /* Use queue mode buffers */ - if (reg_id == WFX_REG_IN_OUT_QUEUE) - sdio_addr |= (bus->buf_id_rx + 1) << 7; - ret = sdio_memcpy_fromio(bus->func, dst, sdio_addr, count); - if (!ret && reg_id == WFX_REG_IN_OUT_QUEUE) - bus->buf_id_rx = (bus->buf_id_rx + 1) % 4; - - return ret; -} - -static int wfx_sdio_copy_to_io(void *priv, unsigned int reg_id, - const void *src, size_t count) -{ - struct wfx_sdio_priv *bus = priv; - unsigned int sdio_addr = reg_id << 2; - int ret; - - WARN(reg_id > 7, "chip only has 7 registers"); - WARN(((uintptr_t)src) & 3, "unaligned buffer size"); - WARN(count & 3, "unaligned buffer address"); - - /* Use queue mode buffers */ - if (reg_id == WFX_REG_IN_OUT_QUEUE) - sdio_addr |= bus->buf_id_tx << 7; - /* FIXME: discards 'const' qualifier for src */ - ret = sdio_memcpy_toio(bus->func, sdio_addr, (void *)src, count); - if (!ret && reg_id == WFX_REG_IN_OUT_QUEUE) - bus->buf_id_tx = (bus->buf_id_tx + 1) % 32; - - return ret; -} - -static void wfx_sdio_lock(void *priv) -{ - struct wfx_sdio_priv *bus = priv; - - sdio_claim_host(bus->func); -} - -static void wfx_sdio_unlock(void *priv) -{ - struct wfx_sdio_priv *bus = priv; - - sdio_release_host(bus->func); -} - -static void wfx_sdio_irq_handler(struct sdio_func *func) -{ - struct wfx_sdio_priv *bus = sdio_get_drvdata(func); - - wfx_bh_request_rx(bus->core); -} - -static irqreturn_t wfx_sdio_irq_handler_ext(int irq, void *priv) -{ - struct wfx_sdio_priv *bus = priv; - - sdio_claim_host(bus->func); - wfx_bh_request_rx(bus->core); - sdio_release_host(bus->func); - return IRQ_HANDLED; -} - -static int wfx_sdio_irq_subscribe(void *priv) -{ - struct wfx_sdio_priv *bus = priv; - u32 flags; - int ret; - u8 cccr; - - if (!bus->of_irq) { - sdio_claim_host(bus->func); - ret = sdio_claim_irq(bus->func, wfx_sdio_irq_handler); - sdio_release_host(bus->func); - return ret; - } - - flags = irq_get_trigger_type(bus->of_irq); - if (!flags) - flags = IRQF_TRIGGER_HIGH; - flags |= IRQF_ONESHOT; - ret = devm_request_threaded_irq(&bus->func->dev, bus->of_irq, NULL, - wfx_sdio_irq_handler_ext, flags, - "wfx", bus); - if (ret) - return ret; - sdio_claim_host(bus->func); - cccr = sdio_f0_readb(bus->func, SDIO_CCCR_IENx, NULL); - cccr |= BIT(0); - cccr |= BIT(bus->func->num); - sdio_f0_writeb(bus->func, cccr, SDIO_CCCR_IENx, NULL); - sdio_release_host(bus->func); - return 0; -} - -static int wfx_sdio_irq_unsubscribe(void *priv) -{ - struct wfx_sdio_priv *bus = priv; - int ret; - - if (bus->of_irq) - devm_free_irq(&bus->func->dev, bus->of_irq, bus); - sdio_claim_host(bus->func); - ret = sdio_release_irq(bus->func); - sdio_release_host(bus->func); - return ret; -} - -static size_t wfx_sdio_align_size(void *priv, size_t size) -{ - struct wfx_sdio_priv *bus = priv; - - return sdio_align_size(bus->func, size); -} - -static const struct hwbus_ops wfx_sdio_hwbus_ops = { - .copy_from_io = wfx_sdio_copy_from_io, - .copy_to_io = wfx_sdio_copy_to_io, - .irq_subscribe = wfx_sdio_irq_subscribe, - .irq_unsubscribe = wfx_sdio_irq_unsubscribe, - .lock = wfx_sdio_lock, - .unlock = wfx_sdio_unlock, - .align_size = wfx_sdio_align_size, -}; - -static const struct of_device_id wfx_sdio_of_match[] = { - { .compatible = "silabs,wfx-sdio" }, - { .compatible = "silabs,wf200" }, - { }, -}; -MODULE_DEVICE_TABLE(of, wfx_sdio_of_match); - -static int wfx_sdio_probe(struct sdio_func *func, - const struct sdio_device_id *id) -{ - struct device_node *np = func->dev.of_node; - struct wfx_sdio_priv *bus; - int ret; - - if (func->num != 1) { - dev_err(&func->dev, "SDIO function number is %d while it should always be 1 (unsupported chip?)\n", - func->num); - return -ENODEV; - } - - bus = devm_kzalloc(&func->dev, sizeof(*bus), GFP_KERNEL); - if (!bus) - return -ENOMEM; - - if (np) { - if (!of_match_node(wfx_sdio_of_match, np)) { - dev_warn(&func->dev, "no compatible device found in DT\n"); - return -ENODEV; - } - bus->of_irq = irq_of_parse_and_map(np, 0); - } else { - dev_warn(&func->dev, - "device is not declared in DT, features will be limited\n"); - /* FIXME: ignore VID/PID and only rely on device tree */ - // return -ENODEV; - } - - bus->func = func; - sdio_set_drvdata(func, bus); - func->card->quirks |= MMC_QUIRK_LENIENT_FN0 | - MMC_QUIRK_BLKSZ_FOR_BYTE_MODE | - MMC_QUIRK_BROKEN_BYTE_MODE_512; - - sdio_claim_host(func); - ret = sdio_enable_func(func); - /* Block of 64 bytes is more efficient than 512B for frame sizes < 4k */ - sdio_set_block_size(func, 64); - sdio_release_host(func); - if (ret) - goto err0; - - bus->core = wfx_init_common(&func->dev, &wfx_sdio_pdata, - &wfx_sdio_hwbus_ops, bus); - if (!bus->core) { - ret = -EIO; - goto err1; - } - - ret = wfx_probe(bus->core); - if (ret) - goto err1; - - return 0; - -err1: - sdio_claim_host(func); - sdio_disable_func(func); - sdio_release_host(func); -err0: - return ret; -} - -static void wfx_sdio_remove(struct sdio_func *func) -{ - struct wfx_sdio_priv *bus = sdio_get_drvdata(func); - - wfx_release(bus->core); - sdio_claim_host(func); - sdio_disable_func(func); - sdio_release_host(func); -} - -#define SDIO_VENDOR_ID_SILABS 0x0000 -#define SDIO_DEVICE_ID_SILABS_WF200 0x1000 -static const struct sdio_device_id wfx_sdio_ids[] = { - { SDIO_DEVICE(SDIO_VENDOR_ID_SILABS, SDIO_DEVICE_ID_SILABS_WF200) }, - /* FIXME: ignore VID/PID and only rely on device tree */ - // { SDIO_DEVICE(SDIO_ANY_ID, SDIO_ANY_ID) }, - { }, -}; -MODULE_DEVICE_TABLE(sdio, wfx_sdio_ids); - -struct sdio_driver wfx_sdio_driver = { - .name = "wfx-sdio", - .id_table = wfx_sdio_ids, - .probe = wfx_sdio_probe, - .remove = wfx_sdio_remove, - .drv = { - .owner = THIS_MODULE, - .of_match_table = wfx_sdio_of_match, - } -}; diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c deleted file mode 100644 index 55ffcd7c42e2..000000000000 --- a/drivers/staging/wfx/bus_spi.c +++ /dev/null @@ -1,271 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * SPI interface. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2011, Sagrad Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/gpio/consumer.h> -#include <linux/spi/spi.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/of.h> - -#include "bus.h" -#include "wfx.h" -#include "hwio.h" -#include "main.h" -#include "bh.h" - -#define SET_WRITE 0x7FFF /* usage: and operation */ -#define SET_READ 0x8000 /* usage: or operation */ - -#define WFX_RESET_INVERTED 1 - -static const struct wfx_platform_data wfx_spi_pdata = { - .file_fw = "wfm_wf200", - .file_pds = "wf200.pds", - .use_rising_clk = true, -}; - -struct wfx_spi_priv { - struct spi_device *func; - struct wfx_dev *core; - struct gpio_desc *gpio_reset; - bool need_swab; -}; - -/* The chip reads 16bits of data at time and place them directly into (little - * endian) CPU register. So, the chip expects bytes order to be "B1 B0 B3 B2" - * (while LE is "B0 B1 B2 B3" and BE is "B3 B2 B1 B0") - * - * A little endian host with bits_per_word == 16 should do the right job - * natively. The code below to support big endian host and commonly used SPI - * 8bits. - */ -static int wfx_spi_copy_from_io(void *priv, unsigned int addr, - void *dst, size_t count) -{ - struct wfx_spi_priv *bus = priv; - u16 regaddr = (addr << 12) | (count / 2) | SET_READ; - struct spi_message m; - struct spi_transfer t_addr = { - .tx_buf = ®addr, - .len = sizeof(regaddr), - }; - struct spi_transfer t_msg = { - .rx_buf = dst, - .len = count, - }; - u16 *dst16 = dst; - int ret, i; - - WARN(count % 2, "buffer size must be a multiple of 2"); - - cpu_to_le16s(®addr); - if (bus->need_swab) - swab16s(®addr); - - spi_message_init(&m); - spi_message_add_tail(&t_addr, &m); - spi_message_add_tail(&t_msg, &m); - ret = spi_sync(bus->func, &m); - - if (bus->need_swab && addr == WFX_REG_CONFIG) - for (i = 0; i < count / 2; i++) - swab16s(&dst16[i]); - return ret; -} - -static int wfx_spi_copy_to_io(void *priv, unsigned int addr, - const void *src, size_t count) -{ - struct wfx_spi_priv *bus = priv; - u16 regaddr = (addr << 12) | (count / 2); - /* FIXME: use a bounce buffer */ - u16 *src16 = (void *)src; - int ret, i; - struct spi_message m; - struct spi_transfer t_addr = { - .tx_buf = ®addr, - .len = sizeof(regaddr), - }; - struct spi_transfer t_msg = { - .tx_buf = src, - .len = count, - }; - - WARN(count % 2, "buffer size must be a multiple of 2"); - WARN(regaddr & SET_READ, "bad addr or size overflow"); - - cpu_to_le16s(®addr); - - /* Register address and CONFIG content always use 16bit big endian - * ("BADC" order) - */ - if (bus->need_swab) - swab16s(®addr); - if (bus->need_swab && addr == WFX_REG_CONFIG) - for (i = 0; i < count / 2; i++) - swab16s(&src16[i]); - - spi_message_init(&m); - spi_message_add_tail(&t_addr, &m); - spi_message_add_tail(&t_msg, &m); - ret = spi_sync(bus->func, &m); - - if (bus->need_swab && addr == WFX_REG_CONFIG) - for (i = 0; i < count / 2; i++) - swab16s(&src16[i]); - return ret; -} - -static void wfx_spi_lock(void *priv) -{ -} - -static void wfx_spi_unlock(void *priv) -{ -} - -static irqreturn_t wfx_spi_irq_handler(int irq, void *priv) -{ - struct wfx_spi_priv *bus = priv; - - wfx_bh_request_rx(bus->core); - return IRQ_HANDLED; -} - -static int wfx_spi_irq_subscribe(void *priv) -{ - struct wfx_spi_priv *bus = priv; - u32 flags; - - flags = irq_get_trigger_type(bus->func->irq); - if (!flags) - flags = IRQF_TRIGGER_HIGH; - flags |= IRQF_ONESHOT; - return devm_request_threaded_irq(&bus->func->dev, bus->func->irq, NULL, - wfx_spi_irq_handler, IRQF_ONESHOT, - "wfx", bus); -} - -static int wfx_spi_irq_unsubscribe(void *priv) -{ - struct wfx_spi_priv *bus = priv; - - devm_free_irq(&bus->func->dev, bus->func->irq, bus); - return 0; -} - -static size_t wfx_spi_align_size(void *priv, size_t size) -{ - /* Most of SPI controllers avoid DMA if buffer size is not 32bit aligned - */ - return ALIGN(size, 4); -} - -static const struct hwbus_ops wfx_spi_hwbus_ops = { - .copy_from_io = wfx_spi_copy_from_io, - .copy_to_io = wfx_spi_copy_to_io, - .irq_subscribe = wfx_spi_irq_subscribe, - .irq_unsubscribe = wfx_spi_irq_unsubscribe, - .lock = wfx_spi_lock, - .unlock = wfx_spi_unlock, - .align_size = wfx_spi_align_size, -}; - -static int wfx_spi_probe(struct spi_device *func) -{ - struct wfx_spi_priv *bus; - int ret; - - if (!func->bits_per_word) - func->bits_per_word = 16; - ret = spi_setup(func); - if (ret) - return ret; - /* Trace below is also displayed by spi_setup() if compiled with DEBUG */ - dev_dbg(&func->dev, "SPI params: CS=%d, mode=%d bits/word=%d speed=%d\n", - func->chip_select, func->mode, func->bits_per_word, - func->max_speed_hz); - if (func->bits_per_word != 16 && func->bits_per_word != 8) - dev_warn(&func->dev, "unusual bits/word value: %d\n", - func->bits_per_word); - if (func->max_speed_hz > 50000000) - dev_warn(&func->dev, "%dHz is a very high speed\n", - func->max_speed_hz); - - bus = devm_kzalloc(&func->dev, sizeof(*bus), GFP_KERNEL); - if (!bus) - return -ENOMEM; - bus->func = func; - if (func->bits_per_word == 8 || IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) - bus->need_swab = true; - spi_set_drvdata(func, bus); - - bus->gpio_reset = devm_gpiod_get_optional(&func->dev, "reset", - GPIOD_OUT_LOW); - if (IS_ERR(bus->gpio_reset)) - return PTR_ERR(bus->gpio_reset); - if (!bus->gpio_reset) { - dev_warn(&func->dev, - "gpio reset is not defined, trying to load firmware anyway\n"); - } else { - gpiod_set_consumer_name(bus->gpio_reset, "wfx reset"); - if (spi_get_device_id(func)->driver_data & WFX_RESET_INVERTED) - gpiod_toggle_active_low(bus->gpio_reset); - gpiod_set_value_cansleep(bus->gpio_reset, 1); - usleep_range(100, 150); - gpiod_set_value_cansleep(bus->gpio_reset, 0); - usleep_range(2000, 2500); - } - - bus->core = wfx_init_common(&func->dev, &wfx_spi_pdata, - &wfx_spi_hwbus_ops, bus); - if (!bus->core) - return -EIO; - - return wfx_probe(bus->core); -} - -static int wfx_spi_remove(struct spi_device *func) -{ - struct wfx_spi_priv *bus = spi_get_drvdata(func); - - wfx_release(bus->core); - return 0; -} - -/* For dynamic driver binding, kernel does not use OF to match driver. It only - * use modalias and modalias is a copy of 'compatible' DT node with vendor - * stripped. - */ -static const struct spi_device_id wfx_spi_id[] = { - { "wfx-spi", WFX_RESET_INVERTED }, - { "wf200", 0 }, - { }, -}; -MODULE_DEVICE_TABLE(spi, wfx_spi_id); - -#ifdef CONFIG_OF -static const struct of_device_id wfx_spi_of_match[] = { - { .compatible = "silabs,wfx-spi", .data = (void *)WFX_RESET_INVERTED }, - { .compatible = "silabs,wf200" }, - { }, -}; -MODULE_DEVICE_TABLE(of, wfx_spi_of_match); -#endif - -struct spi_driver wfx_spi_driver = { - .driver = { - .name = "wfx-spi", - .of_match_table = of_match_ptr(wfx_spi_of_match), - }, - .id_table = wfx_spi_id, - .probe = wfx_spi_probe, - .remove = wfx_spi_remove, -}; diff --git a/drivers/staging/wfx/data_rx.c b/drivers/staging/wfx/data_rx.c deleted file mode 100644 index bfc3961b7b89..000000000000 --- a/drivers/staging/wfx/data_rx.c +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Data receiving implementation. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/etherdevice.h> -#include <net/mac80211.h> - -#include "data_rx.h" -#include "wfx.h" -#include "bh.h" -#include "sta.h" - -static void wfx_rx_handle_ba(struct wfx_vif *wvif, struct ieee80211_mgmt *mgmt) -{ - int params, tid; - - if (wfx_api_older_than(wvif->wdev, 3, 6)) - return; - - switch (mgmt->u.action.u.addba_req.action_code) { - case WLAN_ACTION_ADDBA_REQ: - params = le16_to_cpu(mgmt->u.action.u.addba_req.capab); - tid = (params & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; - ieee80211_start_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); - break; - case WLAN_ACTION_DELBA: - params = le16_to_cpu(mgmt->u.action.u.delba.params); - tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; - ieee80211_stop_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); - break; - } -} - -void wfx_rx_cb(struct wfx_vif *wvif, - const struct hif_ind_rx *arg, struct sk_buff *skb) -{ - struct ieee80211_rx_status *hdr = IEEE80211_SKB_RXCB(skb); - struct ieee80211_hdr *frame = (struct ieee80211_hdr *)skb->data; - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; - - memset(hdr, 0, sizeof(*hdr)); - - if (arg->status == HIF_STATUS_RX_FAIL_MIC) - hdr->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_IV_STRIPPED; - else if (arg->status) - goto drop; - - if (skb->len < sizeof(struct ieee80211_pspoll)) { - dev_warn(wvif->wdev->dev, "malformed SDU received\n"); - goto drop; - } - - hdr->band = NL80211_BAND_2GHZ; - hdr->freq = ieee80211_channel_to_frequency(arg->channel_number, - hdr->band); - - if (arg->rxed_rate >= 14) { - hdr->encoding = RX_ENC_HT; - hdr->rate_idx = arg->rxed_rate - 14; - } else if (arg->rxed_rate >= 4) { - hdr->rate_idx = arg->rxed_rate - 2; - } else { - hdr->rate_idx = arg->rxed_rate; - } - - if (!arg->rcpi_rssi) { - hdr->flag |= RX_FLAG_NO_SIGNAL_VAL; - dev_info(wvif->wdev->dev, "received frame without RSSI data\n"); - } - hdr->signal = arg->rcpi_rssi / 2 - 110; - hdr->antenna = 0; - - if (arg->encryp) - hdr->flag |= RX_FLAG_DECRYPTED; - - /* Block ack negotiation is offloaded by the firmware. However, - * re-ordering must be done by the mac80211. - */ - if (ieee80211_is_action(frame->frame_control) && - mgmt->u.action.category == WLAN_CATEGORY_BACK && - skb->len > IEEE80211_MIN_ACTION_SIZE) { - wfx_rx_handle_ba(wvif, mgmt); - goto drop; - } - - ieee80211_rx_irqsafe(wvif->wdev->hw, skb); - return; - -drop: - dev_kfree_skb(skb); -} diff --git a/drivers/staging/wfx/data_rx.h b/drivers/staging/wfx/data_rx.h deleted file mode 100644 index 84d0e3c0507b..000000000000 --- a/drivers/staging/wfx/data_rx.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Data receiving implementation. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_DATA_RX_H -#define WFX_DATA_RX_H - -struct wfx_vif; -struct sk_buff; -struct hif_ind_rx; - -void wfx_rx_cb(struct wfx_vif *wvif, - const struct hif_ind_rx *arg, struct sk_buff *skb); - -#endif diff --git a/drivers/staging/wfx/data_tx.c b/drivers/staging/wfx/data_tx.c deleted file mode 100644 index 052a19161dc5..000000000000 --- a/drivers/staging/wfx/data_tx.c +++ /dev/null @@ -1,596 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Data transmitting implementation. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <net/mac80211.h> -#include <linux/etherdevice.h> - -#include "data_tx.h" -#include "wfx.h" -#include "bh.h" -#include "sta.h" -#include "queue.h" -#include "debug.h" -#include "traces.h" -#include "hif_tx_mib.h" - -static int wfx_get_hw_rate(struct wfx_dev *wdev, - const struct ieee80211_tx_rate *rate) -{ - struct ieee80211_supported_band *band; - - if (rate->idx < 0) - return -1; - if (rate->flags & IEEE80211_TX_RC_MCS) { - if (rate->idx > 7) { - WARN(1, "wrong rate->idx value: %d", rate->idx); - return -1; - } - return rate->idx + 14; - } - /* The device only support 2GHz, else band information should be - * retrieved from ieee80211_tx_info - */ - band = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ]; - if (rate->idx >= band->n_bitrates) { - WARN(1, "wrong rate->idx value: %d", rate->idx); - return -1; - } - return band->bitrates[rate->idx].hw_value; -} - -/* TX policy cache implementation */ - -static void wfx_tx_policy_build(struct wfx_vif *wvif, struct tx_policy *policy, - struct ieee80211_tx_rate *rates) -{ - struct wfx_dev *wdev = wvif->wdev; - int i, rateid; - u8 count; - - WARN(rates[0].idx < 0, "invalid rate policy"); - memset(policy, 0, sizeof(*policy)); - for (i = 0; i < IEEE80211_TX_MAX_RATES; ++i) { - if (rates[i].idx < 0) - break; - WARN_ON(rates[i].count > 15); - rateid = wfx_get_hw_rate(wdev, &rates[i]); - /* Pack two values in each byte of policy->rates */ - count = rates[i].count; - if (rateid % 2) - count <<= 4; - policy->rates[rateid / 2] |= count; - } -} - -static bool tx_policy_is_equal(const struct tx_policy *a, - const struct tx_policy *b) -{ - return !memcmp(a->rates, b->rates, sizeof(a->rates)); -} - -static int wfx_tx_policy_find(struct tx_policy_cache *cache, - struct tx_policy *wanted) -{ - struct tx_policy *it; - - list_for_each_entry(it, &cache->used, link) - if (tx_policy_is_equal(wanted, it)) - return it - cache->cache; - list_for_each_entry(it, &cache->free, link) - if (tx_policy_is_equal(wanted, it)) - return it - cache->cache; - return -1; -} - -static void wfx_tx_policy_use(struct tx_policy_cache *cache, - struct tx_policy *entry) -{ - ++entry->usage_count; - list_move(&entry->link, &cache->used); -} - -static int wfx_tx_policy_release(struct tx_policy_cache *cache, - struct tx_policy *entry) -{ - int ret = --entry->usage_count; - - if (!ret) - list_move(&entry->link, &cache->free); - return ret; -} - -static int wfx_tx_policy_get(struct wfx_vif *wvif, - struct ieee80211_tx_rate *rates, bool *renew) -{ - int idx; - struct tx_policy_cache *cache = &wvif->tx_policy_cache; - struct tx_policy wanted; - struct tx_policy *entry; - - wfx_tx_policy_build(wvif, &wanted, rates); - - spin_lock_bh(&cache->lock); - if (list_empty(&cache->free)) { - WARN(1, "unable to get a valid Tx policy"); - spin_unlock_bh(&cache->lock); - return HIF_TX_RETRY_POLICY_INVALID; - } - idx = wfx_tx_policy_find(cache, &wanted); - if (idx >= 0) { - *renew = false; - } else { - /* If policy is not found create a new one using the oldest - * entry in "free" list - */ - *renew = true; - entry = list_entry(cache->free.prev, struct tx_policy, link); - memcpy(entry->rates, wanted.rates, sizeof(entry->rates)); - entry->uploaded = false; - entry->usage_count = 0; - idx = entry - cache->cache; - } - wfx_tx_policy_use(cache, &cache->cache[idx]); - if (list_empty(&cache->free)) - ieee80211_stop_queues(wvif->wdev->hw); - spin_unlock_bh(&cache->lock); - return idx; -} - -static void wfx_tx_policy_put(struct wfx_vif *wvif, int idx) -{ - int usage, locked; - struct tx_policy_cache *cache = &wvif->tx_policy_cache; - - if (idx == HIF_TX_RETRY_POLICY_INVALID) - return; - spin_lock_bh(&cache->lock); - locked = list_empty(&cache->free); - usage = wfx_tx_policy_release(cache, &cache->cache[idx]); - if (locked && !usage) - ieee80211_wake_queues(wvif->wdev->hw); - spin_unlock_bh(&cache->lock); -} - -static int wfx_tx_policy_upload(struct wfx_vif *wvif) -{ - struct tx_policy *policies = wvif->tx_policy_cache.cache; - u8 tmp_rates[12]; - int i, is_used; - - do { - spin_lock_bh(&wvif->tx_policy_cache.lock); - for (i = 0; i < ARRAY_SIZE(wvif->tx_policy_cache.cache); ++i) { - is_used = memzcmp(policies[i].rates, - sizeof(policies[i].rates)); - if (!policies[i].uploaded && is_used) - break; - } - if (i < ARRAY_SIZE(wvif->tx_policy_cache.cache)) { - policies[i].uploaded = true; - memcpy(tmp_rates, policies[i].rates, sizeof(tmp_rates)); - spin_unlock_bh(&wvif->tx_policy_cache.lock); - hif_set_tx_rate_retry_policy(wvif, i, tmp_rates); - } else { - spin_unlock_bh(&wvif->tx_policy_cache.lock); - } - } while (i < ARRAY_SIZE(wvif->tx_policy_cache.cache)); - return 0; -} - -void wfx_tx_policy_upload_work(struct work_struct *work) -{ - struct wfx_vif *wvif = - container_of(work, struct wfx_vif, tx_policy_upload_work); - - wfx_tx_policy_upload(wvif); - wfx_tx_unlock(wvif->wdev); -} - -void wfx_tx_policy_init(struct wfx_vif *wvif) -{ - struct tx_policy_cache *cache = &wvif->tx_policy_cache; - int i; - - memset(cache, 0, sizeof(*cache)); - - spin_lock_init(&cache->lock); - INIT_LIST_HEAD(&cache->used); - INIT_LIST_HEAD(&cache->free); - - for (i = 0; i < ARRAY_SIZE(cache->cache); ++i) - list_add(&cache->cache[i].link, &cache->free); -} - -/* Tx implementation */ - -static bool ieee80211_is_action_back(struct ieee80211_hdr *hdr) -{ - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)hdr; - - if (!ieee80211_is_action(mgmt->frame_control)) - return false; - if (mgmt->u.action.category != WLAN_CATEGORY_BACK) - return false; - return true; -} - -static u8 wfx_tx_get_link_id(struct wfx_vif *wvif, struct ieee80211_sta *sta, - struct ieee80211_hdr *hdr) -{ - struct wfx_sta_priv *sta_priv = - sta ? (struct wfx_sta_priv *)&sta->drv_priv : NULL; - const u8 *da = ieee80211_get_DA(hdr); - - if (sta_priv && sta_priv->link_id) - return sta_priv->link_id; - if (wvif->vif->type != NL80211_IFTYPE_AP) - return 0; - if (is_multicast_ether_addr(da)) - return 0; - return HIF_LINK_ID_NOT_ASSOCIATED; -} - -static void wfx_tx_fixup_rates(struct ieee80211_tx_rate *rates) -{ - int i; - bool finished; - - /* Firmware is not able to mix rates with different flags */ - for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { - if (rates[0].flags & IEEE80211_TX_RC_SHORT_GI) - rates[i].flags |= IEEE80211_TX_RC_SHORT_GI; - if (!(rates[0].flags & IEEE80211_TX_RC_SHORT_GI)) - rates[i].flags &= ~IEEE80211_TX_RC_SHORT_GI; - if (!(rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)) - rates[i].flags &= ~IEEE80211_TX_RC_USE_RTS_CTS; - } - - /* Sort rates and remove duplicates */ - do { - finished = true; - for (i = 0; i < IEEE80211_TX_MAX_RATES - 1; i++) { - if (rates[i + 1].idx == rates[i].idx && - rates[i].idx != -1) { - rates[i].count += rates[i + 1].count; - if (rates[i].count > 15) - rates[i].count = 15; - rates[i + 1].idx = -1; - rates[i + 1].count = 0; - - finished = false; - } - if (rates[i + 1].idx > rates[i].idx) { - swap(rates[i + 1], rates[i]); - finished = false; - } - } - } while (!finished); - /* Ensure that MCS0 or 1Mbps is present at the end of the retry list */ - for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { - if (rates[i].idx == 0) - break; - if (rates[i].idx == -1) { - rates[i].idx = 0; - rates[i].count = 8; /* == hw->max_rate_tries */ - rates[i].flags = rates[i - 1].flags & - IEEE80211_TX_RC_MCS; - break; - } - } - /* All retries use long GI */ - for (i = 1; i < IEEE80211_TX_MAX_RATES; i++) - rates[i].flags &= ~IEEE80211_TX_RC_SHORT_GI; -} - -static u8 wfx_tx_get_retry_policy_id(struct wfx_vif *wvif, - struct ieee80211_tx_info *tx_info) -{ - bool tx_policy_renew = false; - u8 ret; - - ret = wfx_tx_policy_get(wvif, tx_info->driver_rates, &tx_policy_renew); - if (ret == HIF_TX_RETRY_POLICY_INVALID) - dev_warn(wvif->wdev->dev, "unable to get a valid Tx policy"); - - if (tx_policy_renew) { - wfx_tx_lock(wvif->wdev); - if (!schedule_work(&wvif->tx_policy_upload_work)) - wfx_tx_unlock(wvif->wdev); - } - return ret; -} - -static int wfx_tx_get_frame_format(struct ieee80211_tx_info *tx_info) -{ - if (!(tx_info->driver_rates[0].flags & IEEE80211_TX_RC_MCS)) - return HIF_FRAME_FORMAT_NON_HT; - else if (!(tx_info->driver_rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)) - return HIF_FRAME_FORMAT_MIXED_FORMAT_HT; - else - return HIF_FRAME_FORMAT_GF_HT_11N; -} - -static int wfx_tx_get_icv_len(struct ieee80211_key_conf *hw_key) -{ - int mic_space; - - if (!hw_key) - return 0; - if (hw_key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) - return 0; - mic_space = (hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) ? 8 : 0; - return hw_key->icv_len + mic_space; -} - -static int wfx_tx_inner(struct wfx_vif *wvif, struct ieee80211_sta *sta, - struct sk_buff *skb) -{ - struct hif_msg *hif_msg; - struct hif_req_tx *req; - struct wfx_tx_priv *tx_priv; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - int queue_id = skb_get_queue_mapping(skb); - size_t offset = (size_t)skb->data & 3; - int wmsg_len = sizeof(struct hif_msg) + - sizeof(struct hif_req_tx) + offset; - - WARN(queue_id >= IEEE80211_NUM_ACS, "unsupported queue_id"); - wfx_tx_fixup_rates(tx_info->driver_rates); - - /* From now tx_info->control is unusable */ - memset(tx_info->rate_driver_data, 0, sizeof(struct wfx_tx_priv)); - /* Fill tx_priv */ - tx_priv = (struct wfx_tx_priv *)tx_info->rate_driver_data; - tx_priv->icv_size = wfx_tx_get_icv_len(hw_key); - - /* Fill hif_msg */ - WARN(skb_headroom(skb) < wmsg_len, "not enough space in skb"); - WARN(offset & 1, "attempt to transmit an unaligned frame"); - skb_put(skb, tx_priv->icv_size); - skb_push(skb, wmsg_len); - memset(skb->data, 0, wmsg_len); - hif_msg = (struct hif_msg *)skb->data; - hif_msg->len = cpu_to_le16(skb->len); - hif_msg->id = HIF_REQ_ID_TX; - hif_msg->interface = wvif->id; - if (skb->len > wvif->wdev->hw_caps.size_inp_ch_buf) { - dev_warn(wvif->wdev->dev, - "requested frame size (%d) is larger than maximum supported (%d)\n", - skb->len, wvif->wdev->hw_caps.size_inp_ch_buf); - skb_pull(skb, wmsg_len); - return -EIO; - } - - /* Fill tx request */ - req = (struct hif_req_tx *)hif_msg->body; - /* packet_id just need to be unique on device. 32bits are more than - * necessary for that task, so we tae advantage of it to add some extra - * data for debug. - */ - req->packet_id = atomic_add_return(1, &wvif->wdev->packet_id) & 0xFFFF; - req->packet_id |= IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)) << 16; - req->packet_id |= queue_id << 28; - - req->fc_offset = offset; - /* Queue index are inverted between firmware and Linux */ - req->queue_id = 3 - queue_id; - req->peer_sta_id = wfx_tx_get_link_id(wvif, sta, hdr); - req->retry_policy_index = wfx_tx_get_retry_policy_id(wvif, tx_info); - req->frame_format = wfx_tx_get_frame_format(tx_info); - if (tx_info->driver_rates[0].flags & IEEE80211_TX_RC_SHORT_GI) - req->short_gi = 1; - if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) - req->after_dtim = 1; - - /* Auxiliary operations */ - wfx_tx_queues_put(wvif, skb); - if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) - schedule_work(&wvif->update_tim_work); - wfx_bh_request_tx(wvif->wdev); - return 0; -} - -void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, - struct sk_buff *skb) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif; - struct ieee80211_sta *sta = control ? control->sta : NULL; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - size_t driver_data_room = sizeof_field(struct ieee80211_tx_info, - rate_driver_data); - - compiletime_assert(sizeof(struct wfx_tx_priv) <= driver_data_room, - "struct tx_priv is too large"); - WARN(skb->next || skb->prev, "skb is already member of a list"); - /* control.vif can be NULL for injected frames */ - if (tx_info->control.vif) - wvif = (struct wfx_vif *)tx_info->control.vif->drv_priv; - else - wvif = wvif_iterate(wdev, NULL); - if (WARN_ON(!wvif)) - goto drop; - /* Because of TX_AMPDU_SETUP_IN_HW, mac80211 does not try to send any - * BlockAck session management frame. The check below exist just in case. - */ - if (ieee80211_is_action_back(hdr)) { - dev_info(wdev->dev, "drop BA action\n"); - goto drop; - } - if (wfx_tx_inner(wvif, sta, skb)) - goto drop; - - return; - -drop: - ieee80211_tx_status_irqsafe(wdev->hw, skb); -} - -static void wfx_skb_dtor(struct wfx_vif *wvif, struct sk_buff *skb) -{ - struct hif_msg *hif = (struct hif_msg *)skb->data; - struct hif_req_tx *req = (struct hif_req_tx *)hif->body; - unsigned int offset = sizeof(struct hif_msg) + - sizeof(struct hif_req_tx) + - req->fc_offset; - - if (!wvif) { - pr_warn("%s: vif associated with the skb does not exist anymore\n", __func__); - return; - } - wfx_tx_policy_put(wvif, req->retry_policy_index); - skb_pull(skb, offset); - ieee80211_tx_status_irqsafe(wvif->wdev->hw, skb); -} - -static void wfx_tx_fill_rates(struct wfx_dev *wdev, - struct ieee80211_tx_info *tx_info, - const struct hif_cnf_tx *arg) -{ - struct ieee80211_tx_rate *rate; - int tx_count; - int i; - - tx_count = arg->ack_failures; - if (!arg->status || arg->ack_failures) - tx_count += 1; /* Also report success */ - for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { - rate = &tx_info->status.rates[i]; - if (rate->idx < 0) - break; - if (tx_count < rate->count && - arg->status == HIF_STATUS_TX_FAIL_RETRIES && - arg->ack_failures) - dev_dbg(wdev->dev, "all retries were not consumed: %d != %d\n", - rate->count, tx_count); - if (tx_count <= rate->count && tx_count && - arg->txed_rate != wfx_get_hw_rate(wdev, rate)) - dev_dbg(wdev->dev, "inconsistent tx_info rates: %d != %d\n", - arg->txed_rate, wfx_get_hw_rate(wdev, rate)); - if (tx_count > rate->count) { - tx_count -= rate->count; - } else if (!tx_count) { - rate->count = 0; - rate->idx = -1; - } else { - rate->count = tx_count; - tx_count = 0; - } - } - if (tx_count) - dev_dbg(wdev->dev, "%d more retries than expected\n", tx_count); -} - -void wfx_tx_confirm_cb(struct wfx_dev *wdev, const struct hif_cnf_tx *arg) -{ - const struct wfx_tx_priv *tx_priv; - struct ieee80211_tx_info *tx_info; - struct wfx_vif *wvif; - struct sk_buff *skb; - - skb = wfx_pending_get(wdev, arg->packet_id); - if (!skb) { - dev_warn(wdev->dev, "received unknown packet_id (%#.8x) from chip\n", - arg->packet_id); - return; - } - tx_info = IEEE80211_SKB_CB(skb); - tx_priv = wfx_skb_tx_priv(skb); - wvif = wdev_to_wvif(wdev, ((struct hif_msg *)skb->data)->interface); - WARN_ON(!wvif); - if (!wvif) - return; - - /* Note that wfx_pending_get_pkt_us_delay() get data from tx_info */ - _trace_tx_stats(arg, skb, wfx_pending_get_pkt_us_delay(wdev, skb)); - wfx_tx_fill_rates(wdev, tx_info, arg); - skb_trim(skb, skb->len - tx_priv->icv_size); - - /* From now, you can touch to tx_info->status, but do not touch to - * tx_priv anymore - */ - /* FIXME: use ieee80211_tx_info_clear_status() */ - memset(tx_info->rate_driver_data, 0, sizeof(tx_info->rate_driver_data)); - memset(tx_info->pad, 0, sizeof(tx_info->pad)); - - if (!arg->status) { - tx_info->status.tx_time = - le32_to_cpu(arg->media_delay) - - le32_to_cpu(arg->tx_queue_delay); - if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) - tx_info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; - else - tx_info->flags |= IEEE80211_TX_STAT_ACK; - } else if (arg->status == HIF_STATUS_TX_FAIL_REQUEUE) { - WARN(!arg->requeue, "incoherent status and result_flags"); - if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { - wvif->after_dtim_tx_allowed = false; /* DTIM period elapsed */ - schedule_work(&wvif->update_tim_work); - } - tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED; - } - wfx_skb_dtor(wvif, skb); -} - -static void wfx_flush_vif(struct wfx_vif *wvif, u32 queues, - struct sk_buff_head *dropped) -{ - struct wfx_queue *queue; - int i; - - for (i = 0; i < IEEE80211_NUM_ACS; i++) { - if (!(BIT(i) & queues)) - continue; - queue = &wvif->tx_queue[i]; - if (dropped) - wfx_tx_queue_drop(wvif, queue, dropped); - } - if (wvif->wdev->chip_frozen) - return; - for (i = 0; i < IEEE80211_NUM_ACS; i++) { - if (!(BIT(i) & queues)) - continue; - queue = &wvif->tx_queue[i]; - if (wait_event_timeout(wvif->wdev->tx_dequeue, - wfx_tx_queue_empty(wvif, queue), - msecs_to_jiffies(1000)) <= 0) - dev_warn(wvif->wdev->dev, - "frames queued while flushing tx queues?"); - } -} - -void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - u32 queues, bool drop) -{ - struct wfx_dev *wdev = hw->priv; - struct sk_buff_head dropped; - struct wfx_vif *wvif; - struct hif_msg *hif; - struct sk_buff *skb; - - skb_queue_head_init(&dropped); - if (vif) { - wvif = (struct wfx_vif *)vif->drv_priv; - wfx_flush_vif(wvif, queues, drop ? &dropped : NULL); - } else { - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - wfx_flush_vif(wvif, queues, drop ? &dropped : NULL); - } - wfx_tx_flush(wdev); - if (wdev->chip_frozen) - wfx_pending_drop(wdev, &dropped); - while ((skb = skb_dequeue(&dropped)) != NULL) { - hif = (struct hif_msg *)skb->data; - wvif = wdev_to_wvif(wdev, hif->interface); - ieee80211_tx_info_clear_status(IEEE80211_SKB_CB(skb)); - wfx_skb_dtor(wvif, skb); - } -} diff --git a/drivers/staging/wfx/data_tx.h b/drivers/staging/wfx/data_tx.h deleted file mode 100644 index 15590a8faefe..000000000000 --- a/drivers/staging/wfx/data_tx.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Data transmitting implementation. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_DATA_TX_H -#define WFX_DATA_TX_H - -#include <linux/list.h> -#include <net/mac80211.h> - -#include "hif_api_cmd.h" -#include "hif_api_mib.h" - -struct wfx_tx_priv; -struct wfx_dev; -struct wfx_vif; - -struct tx_policy { - struct list_head link; - int usage_count; - u8 rates[12]; - bool uploaded; -}; - -struct tx_policy_cache { - struct tx_policy cache[HIF_TX_RETRY_POLICY_MAX]; - /* FIXME: use a trees and drop hash from tx_policy */ - struct list_head used; - struct list_head free; - spinlock_t lock; -}; - -struct wfx_tx_priv { - ktime_t xmit_timestamp; - unsigned char icv_size; -}; - -void wfx_tx_policy_init(struct wfx_vif *wvif); -void wfx_tx_policy_upload_work(struct work_struct *work); - -void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, - struct sk_buff *skb); -void wfx_tx_confirm_cb(struct wfx_dev *wdev, const struct hif_cnf_tx *arg); -void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - u32 queues, bool drop); - -static inline struct wfx_tx_priv *wfx_skb_tx_priv(struct sk_buff *skb) -{ - struct ieee80211_tx_info *tx_info; - - if (!skb) - return NULL; - tx_info = IEEE80211_SKB_CB(skb); - return (struct wfx_tx_priv *)tx_info->rate_driver_data; -} - -static inline struct hif_req_tx *wfx_skb_txreq(struct sk_buff *skb) -{ - struct hif_msg *hif = (struct hif_msg *)skb->data; - struct hif_req_tx *req = (struct hif_req_tx *)hif->body; - - return req; -} - -#endif diff --git a/drivers/staging/wfx/debug.c b/drivers/staging/wfx/debug.c deleted file mode 100644 index 9f93268a3202..000000000000 --- a/drivers/staging/wfx/debug.c +++ /dev/null @@ -1,365 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Debugfs interface. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/crc32.h> - -#include "debug.h" -#include "wfx.h" -#include "sta.h" -#include "main.h" -#include "hif_tx.h" -#include "hif_tx_mib.h" - -#define CREATE_TRACE_POINTS -#include "traces.h" - -static const struct trace_print_flags hif_msg_print_map[] = { - hif_msg_list, -}; - -static const struct trace_print_flags hif_mib_print_map[] = { - hif_mib_list, -}; - -static const struct trace_print_flags wfx_reg_print_map[] = { - wfx_reg_list, -}; - -static const char *get_symbol(unsigned long val, - const struct trace_print_flags *symbol_array) -{ - int i; - - for (i = 0; symbol_array[i].mask != -1; i++) { - if (val == symbol_array[i].mask) - return symbol_array[i].name; - } - - return "unknown"; -} - -const char *get_hif_name(unsigned long id) -{ - return get_symbol(id, hif_msg_print_map); -} - -const char *get_mib_name(unsigned long id) -{ - return get_symbol(id, hif_mib_print_map); -} - -const char *get_reg_name(unsigned long id) -{ - return get_symbol(id, wfx_reg_print_map); -} - -static int wfx_counters_show(struct seq_file *seq, void *v) -{ - int ret, i; - struct wfx_dev *wdev = seq->private; - struct hif_mib_extended_count_table counters[3]; - - for (i = 0; i < ARRAY_SIZE(counters); i++) { - ret = hif_get_counters_table(wdev, i, counters + i); - if (ret < 0) - return ret; - if (ret > 0) - return -EIO; - } - - seq_printf(seq, "%-24s %12s %12s %12s\n", - "", "global", "iface 0", "iface 1"); - -#define PUT_COUNTER(name) \ - seq_printf(seq, "%-24s %12d %12d %12d\n", #name, \ - le32_to_cpu(counters[2].count_##name), \ - le32_to_cpu(counters[0].count_##name), \ - le32_to_cpu(counters[1].count_##name)) - - PUT_COUNTER(tx_frames); - PUT_COUNTER(tx_frames_multicast); - PUT_COUNTER(tx_frames_success); - PUT_COUNTER(tx_frames_retried); - PUT_COUNTER(tx_frames_multi_retried); - PUT_COUNTER(tx_frames_failed); - - PUT_COUNTER(ack_failed); - PUT_COUNTER(rts_success); - PUT_COUNTER(rts_failed); - - PUT_COUNTER(rx_frames); - PUT_COUNTER(rx_frames_multicast); - PUT_COUNTER(rx_frames_success); - PUT_COUNTER(rx_frames_failed); - PUT_COUNTER(drop_plcp); - PUT_COUNTER(drop_fcs); - PUT_COUNTER(drop_no_key); - PUT_COUNTER(drop_decryption); - PUT_COUNTER(drop_tkip_mic); - PUT_COUNTER(drop_bip_mic); - PUT_COUNTER(drop_cmac_icv); - PUT_COUNTER(drop_cmac_replay); - PUT_COUNTER(drop_ccmp_replay); - PUT_COUNTER(drop_duplicate); - - PUT_COUNTER(rx_bcn_miss); - PUT_COUNTER(rx_bcn_success); - PUT_COUNTER(rx_bcn_dtim); - PUT_COUNTER(rx_bcn_dtim_aid0_clr); - PUT_COUNTER(rx_bcn_dtim_aid0_set); - -#undef PUT_COUNTER - - for (i = 0; i < ARRAY_SIZE(counters[0].reserved); i++) - seq_printf(seq, "reserved[%02d]%12s %12d %12d %12d\n", i, "", - le32_to_cpu(counters[2].reserved[i]), - le32_to_cpu(counters[0].reserved[i]), - le32_to_cpu(counters[1].reserved[i])); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_counters); - -static const char * const channel_names[] = { - [0] = "1M", - [1] = "2M", - [2] = "5.5M", - [3] = "11M", - /* Entries 4 and 5 does not exist */ - [6] = "6M", - [7] = "9M", - [8] = "12M", - [9] = "18M", - [10] = "24M", - [11] = "36M", - [12] = "48M", - [13] = "54M", - [14] = "MCS0", - [15] = "MCS1", - [16] = "MCS2", - [17] = "MCS3", - [18] = "MCS4", - [19] = "MCS5", - [20] = "MCS6", - [21] = "MCS7", -}; - -static int wfx_rx_stats_show(struct seq_file *seq, void *v) -{ - struct wfx_dev *wdev = seq->private; - struct hif_rx_stats *st = &wdev->rx_stats; - int i; - - mutex_lock(&wdev->rx_stats_lock); - seq_printf(seq, "Timestamp: %dus\n", st->date); - seq_printf(seq, "Low power clock: frequency %uHz, external %s\n", - le32_to_cpu(st->pwr_clk_freq), - st->is_ext_pwr_clk ? "yes" : "no"); - seq_printf(seq, - "Num. of frames: %d, PER (x10e4): %d, Throughput: %dKbps/s\n", - st->nb_rx_frame, st->per_total, st->throughput); - seq_puts(seq, " Num. of PER RSSI SNR CFO\n"); - seq_puts(seq, " frames (x10e4) (dBm) (dB) (kHz)\n"); - for (i = 0; i < ARRAY_SIZE(channel_names); i++) { - if (channel_names[i]) - seq_printf(seq, "%5s %8d %8d %8d %8d %8d\n", - channel_names[i], - le32_to_cpu(st->nb_rx_by_rate[i]), - le16_to_cpu(st->per[i]), - (s16)le16_to_cpu(st->rssi[i]) / 100, - (s16)le16_to_cpu(st->snr[i]) / 100, - (s16)le16_to_cpu(st->cfo[i])); - } - mutex_unlock(&wdev->rx_stats_lock); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_rx_stats); - -static int wfx_tx_power_loop_show(struct seq_file *seq, void *v) -{ - struct wfx_dev *wdev = seq->private; - struct hif_tx_power_loop_info *st = &wdev->tx_power_loop_info; - int tmp; - - mutex_lock(&wdev->tx_power_loop_info_lock); - tmp = le16_to_cpu(st->tx_gain_dig); - seq_printf(seq, "Tx gain digital: %d\n", tmp); - tmp = le16_to_cpu(st->tx_gain_pa); - seq_printf(seq, "Tx gain PA: %d\n", tmp); - tmp = (s16)le16_to_cpu(st->target_pout); - seq_printf(seq, "Target Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25); - tmp = (s16)le16_to_cpu(st->p_estimation); - seq_printf(seq, "FEM Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25); - tmp = le16_to_cpu(st->vpdet); - seq_printf(seq, "Vpdet: %d mV\n", tmp); - seq_printf(seq, "Measure index: %d\n", st->measurement_index); - mutex_unlock(&wdev->tx_power_loop_info_lock); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(wfx_tx_power_loop); - -static ssize_t wfx_send_pds_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct wfx_dev *wdev = file->private_data; - char *buf; - int ret; - - if (*ppos != 0) { - dev_dbg(wdev->dev, "PDS data must be written in one transaction"); - return -EBUSY; - } - buf = memdup_user(user_buf, count); - if (IS_ERR(buf)) - return PTR_ERR(buf); - *ppos = *ppos + count; - ret = wfx_send_pds(wdev, buf, count); - kfree(buf); - if (ret < 0) - return ret; - return count; -} - -static const struct file_operations wfx_send_pds_fops = { - .open = simple_open, - .write = wfx_send_pds_write, -}; - -struct dbgfs_hif_msg { - struct wfx_dev *wdev; - struct completion complete; - u8 reply[1024]; - int ret; -}; - -static ssize_t wfx_send_hif_msg_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct dbgfs_hif_msg *context = file->private_data; - struct wfx_dev *wdev = context->wdev; - struct hif_msg *request; - - if (completion_done(&context->complete)) { - dev_dbg(wdev->dev, "read previous result before start a new one\n"); - return -EBUSY; - } - if (count < sizeof(struct hif_msg)) - return -EINVAL; - - /* wfx_cmd_send() checks that reply buffer is wide enough, but does not - * return precise length read. User have to know how many bytes should - * be read. Filling reply buffer with a memory pattern may help user. - */ - memset(context->reply, 0xFF, sizeof(context->reply)); - request = memdup_user(user_buf, count); - if (IS_ERR(request)) - return PTR_ERR(request); - if (le16_to_cpu(request->len) != count) { - kfree(request); - return -EINVAL; - } - context->ret = wfx_cmd_send(wdev, request, context->reply, - sizeof(context->reply), false); - - kfree(request); - complete(&context->complete); - return count; -} - -static ssize_t wfx_send_hif_msg_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct dbgfs_hif_msg *context = file->private_data; - int ret; - - if (count > sizeof(context->reply)) - return -EINVAL; - ret = wait_for_completion_interruptible(&context->complete); - if (ret) - return ret; - if (context->ret < 0) - return context->ret; - /* Be careful, write() is waiting for a full message while read() - * only returns a payload - */ - if (copy_to_user(user_buf, context->reply, count)) - return -EFAULT; - - return count; -} - -static int wfx_send_hif_msg_open(struct inode *inode, struct file *file) -{ - struct dbgfs_hif_msg *context = kzalloc(sizeof(*context), GFP_KERNEL); - - if (!context) - return -ENOMEM; - context->wdev = inode->i_private; - init_completion(&context->complete); - file->private_data = context; - return 0; -} - -static int wfx_send_hif_msg_release(struct inode *inode, struct file *file) -{ - struct dbgfs_hif_msg *context = file->private_data; - - kfree(context); - return 0; -} - -static const struct file_operations wfx_send_hif_msg_fops = { - .open = wfx_send_hif_msg_open, - .release = wfx_send_hif_msg_release, - .write = wfx_send_hif_msg_write, - .read = wfx_send_hif_msg_read, -}; - -static int wfx_ps_timeout_set(void *data, u64 val) -{ - struct wfx_dev *wdev = (struct wfx_dev *)data; - struct wfx_vif *wvif; - - wdev->force_ps_timeout = val; - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - wfx_update_pm(wvif); - return 0; -} - -static int wfx_ps_timeout_get(void *data, u64 *val) -{ - struct wfx_dev *wdev = (struct wfx_dev *)data; - - *val = wdev->force_ps_timeout; - return 0; -} - -DEFINE_DEBUGFS_ATTRIBUTE(wfx_ps_timeout_fops, wfx_ps_timeout_get, wfx_ps_timeout_set, "%lld\n"); - -int wfx_debug_init(struct wfx_dev *wdev) -{ - struct dentry *d; - - d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir); - debugfs_create_file("counters", 0444, d, wdev, &wfx_counters_fops); - debugfs_create_file("rx_stats", 0444, d, wdev, &wfx_rx_stats_fops); - debugfs_create_file("tx_power_loop", 0444, d, wdev, - &wfx_tx_power_loop_fops); - debugfs_create_file("send_pds", 0200, d, wdev, &wfx_send_pds_fops); - debugfs_create_file("send_hif_msg", 0600, d, wdev, - &wfx_send_hif_msg_fops); - debugfs_create_file("ps_timeout", 0600, d, wdev, &wfx_ps_timeout_fops); - - return 0; -} diff --git a/drivers/staging/wfx/debug.h b/drivers/staging/wfx/debug.h deleted file mode 100644 index 4b9c49a9fffb..000000000000 --- a/drivers/staging/wfx/debug.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Debugfs interface. - * - * Copyright (c) 2017-2019, Silicon Laboratories, Inc. - * Copyright (c) 2011, ST-Ericsson - */ -#ifndef WFX_DEBUG_H -#define WFX_DEBUG_H - -struct wfx_dev; - -int wfx_debug_init(struct wfx_dev *wdev); - -const char *get_hif_name(unsigned long id); -const char *get_mib_name(unsigned long id); -const char *get_reg_name(unsigned long id); - -#endif diff --git a/drivers/staging/wfx/fwio.c b/drivers/staging/wfx/fwio.c deleted file mode 100644 index 98a9391b2bee..000000000000 --- a/drivers/staging/wfx/fwio.c +++ /dev/null @@ -1,405 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Firmware loading. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/firmware.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/bitfield.h> - -#include "fwio.h" -#include "wfx.h" -#include "hwio.h" - -/* Addresses below are in SRAM area */ -#define WFX_DNLD_FIFO 0x09004000 -#define DNLD_BLOCK_SIZE 0x0400 -#define DNLD_FIFO_SIZE 0x8000 /* (32 * DNLD_BLOCK_SIZE) */ -/* Download Control Area (DCA) */ -#define WFX_DCA_IMAGE_SIZE 0x0900C000 -#define WFX_DCA_PUT 0x0900C004 -#define WFX_DCA_GET 0x0900C008 -#define WFX_DCA_HOST_STATUS 0x0900C00C -#define HOST_READY 0x87654321 -#define HOST_INFO_READ 0xA753BD99 -#define HOST_UPLOAD_PENDING 0xABCDDCBA -#define HOST_UPLOAD_COMPLETE 0xD4C64A99 -#define HOST_OK_TO_JUMP 0x174FC882 -#define WFX_DCA_NCP_STATUS 0x0900C010 -#define NCP_NOT_READY 0x12345678 -#define NCP_READY 0x87654321 -#define NCP_INFO_READY 0xBD53EF99 -#define NCP_DOWNLOAD_PENDING 0xABCDDCBA -#define NCP_DOWNLOAD_COMPLETE 0xCAFEFECA -#define NCP_AUTH_OK 0xD4C64A99 -#define NCP_AUTH_FAIL 0x174FC882 -#define NCP_PUB_KEY_RDY 0x7AB41D19 -#define WFX_DCA_FW_SIGNATURE 0x0900C014 -#define FW_SIGNATURE_SIZE 0x40 -#define WFX_DCA_FW_HASH 0x0900C054 -#define FW_HASH_SIZE 0x08 -#define WFX_DCA_FW_VERSION 0x0900C05C -#define FW_VERSION_SIZE 0x04 -#define WFX_DCA_RESERVED 0x0900C060 -#define DCA_RESERVED_SIZE 0x20 -#define WFX_STATUS_INFO 0x0900C080 -#define WFX_BOOTLOADER_LABEL 0x0900C084 -#define BOOTLOADER_LABEL_SIZE 0x3C -#define WFX_PTE_INFO 0x0900C0C0 -#define PTE_INFO_KEYSET_IDX 0x0D -#define PTE_INFO_SIZE 0x10 -#define WFX_ERR_INFO 0x0900C0D0 -#define ERR_INVALID_SEC_TYPE 0x05 -#define ERR_SIG_VERIF_FAILED 0x0F -#define ERR_AES_CTRL_KEY 0x10 -#define ERR_ECC_PUB_KEY 0x11 -#define ERR_MAC_KEY 0x18 - -#define DCA_TIMEOUT 50 /* milliseconds */ -#define WAKEUP_TIMEOUT 200 /* milliseconds */ - -static const char * const fwio_errors[] = { - [ERR_INVALID_SEC_TYPE] = "Invalid section type or wrong encryption", - [ERR_SIG_VERIF_FAILED] = "Signature verification failed", - [ERR_AES_CTRL_KEY] = "AES control key not initialized", - [ERR_ECC_PUB_KEY] = "ECC public key not initialized", - [ERR_MAC_KEY] = "MAC key not initialized", -}; - -/* request_firmware() allocate data using vmalloc(). It is not compatible with - * underlying hardware that use DMA. Function below detect this case and - * allocate a bounce buffer if necessary. - * - * Notice that, in doubt, you can enable CONFIG_DEBUG_SG to ask kernel to - * detect this problem at runtime (else, kernel silently fail). - * - * NOTE: it may also be possible to use 'pages' from struct firmware and avoid - * bounce buffer - */ -static int sram_write_dma_safe(struct wfx_dev *wdev, u32 addr, const u8 *buf, - size_t len) -{ - int ret; - const u8 *tmp; - - if (!virt_addr_valid(buf)) { - tmp = kmemdup(buf, len, GFP_KERNEL); - if (!tmp) - return -ENOMEM; - } else { - tmp = buf; - } - ret = sram_buf_write(wdev, addr, tmp, len); - if (tmp != buf) - kfree(tmp); - return ret; -} - -static int get_firmware(struct wfx_dev *wdev, u32 keyset_chip, - const struct firmware **fw, int *file_offset) -{ - int keyset_file; - char filename[256]; - const char *data; - int ret; - - snprintf(filename, sizeof(filename), "%s_%02X.sec", - wdev->pdata.file_fw, keyset_chip); - ret = firmware_request_nowarn(fw, filename, wdev->dev); - if (ret) { - dev_info(wdev->dev, "can't load %s, falling back to %s.sec\n", - filename, wdev->pdata.file_fw); - snprintf(filename, sizeof(filename), "%s.sec", - wdev->pdata.file_fw); - ret = request_firmware(fw, filename, wdev->dev); - if (ret) { - dev_err(wdev->dev, "can't load %s\n", filename); - *fw = NULL; - return ret; - } - } - - data = (*fw)->data; - if (memcmp(data, "KEYSET", 6) != 0) { - /* Legacy firmware format */ - *file_offset = 0; - keyset_file = 0x90; - } else { - *file_offset = 8; - keyset_file = (hex_to_bin(data[6]) * 16) | hex_to_bin(data[7]); - if (keyset_file < 0) { - dev_err(wdev->dev, "%s corrupted\n", filename); - release_firmware(*fw); - *fw = NULL; - return -EINVAL; - } - } - if (keyset_file != keyset_chip) { - dev_err(wdev->dev, "firmware keyset is incompatible with chip (file: 0x%02X, chip: 0x%02X)\n", - keyset_file, keyset_chip); - release_firmware(*fw); - *fw = NULL; - return -ENODEV; - } - wdev->keyset = keyset_file; - return 0; -} - -static int wait_ncp_status(struct wfx_dev *wdev, u32 status) -{ - ktime_t now, start; - u32 reg; - int ret; - - start = ktime_get(); - for (;;) { - ret = sram_reg_read(wdev, WFX_DCA_NCP_STATUS, ®); - if (ret < 0) - return -EIO; - now = ktime_get(); - if (reg == status) - break; - if (ktime_after(now, ktime_add_ms(start, DCA_TIMEOUT))) - return -ETIMEDOUT; - } - if (ktime_compare(now, start)) - dev_dbg(wdev->dev, "chip answer after %lldus\n", - ktime_us_delta(now, start)); - else - dev_dbg(wdev->dev, "chip answer immediately\n"); - return 0; -} - -static int upload_firmware(struct wfx_dev *wdev, const u8 *data, size_t len) -{ - int ret; - u32 offs, bytes_done = 0; - ktime_t now, start; - - if (len % DNLD_BLOCK_SIZE) { - dev_err(wdev->dev, "firmware size is not aligned. Buffer overrun will occur\n"); - return -EIO; - } - offs = 0; - while (offs < len) { - start = ktime_get(); - for (;;) { - now = ktime_get(); - if (offs + DNLD_BLOCK_SIZE - bytes_done < DNLD_FIFO_SIZE) - break; - if (ktime_after(now, ktime_add_ms(start, DCA_TIMEOUT))) - return -ETIMEDOUT; - ret = sram_reg_read(wdev, WFX_DCA_GET, &bytes_done); - if (ret < 0) - return ret; - } - if (ktime_compare(now, start)) - dev_dbg(wdev->dev, "answer after %lldus\n", - ktime_us_delta(now, start)); - - ret = sram_write_dma_safe(wdev, WFX_DNLD_FIFO + - (offs % DNLD_FIFO_SIZE), - data + offs, DNLD_BLOCK_SIZE); - if (ret < 0) - return ret; - - /* The device seems to not support writing 0 in this register - * during first loop - */ - offs += DNLD_BLOCK_SIZE; - ret = sram_reg_write(wdev, WFX_DCA_PUT, offs); - if (ret < 0) - return ret; - } - return 0; -} - -static void print_boot_status(struct wfx_dev *wdev) -{ - u32 reg; - - sram_reg_read(wdev, WFX_STATUS_INFO, ®); - if (reg == 0x12345678) - return; - sram_reg_read(wdev, WFX_ERR_INFO, ®); - if (reg < ARRAY_SIZE(fwio_errors) && fwio_errors[reg]) - dev_info(wdev->dev, "secure boot: %s\n", fwio_errors[reg]); - else - dev_info(wdev->dev, "secure boot: Error %#02x\n", reg); -} - -static int load_firmware_secure(struct wfx_dev *wdev) -{ - const struct firmware *fw = NULL; - int header_size; - int fw_offset; - ktime_t start; - u8 *buf; - int ret; - - BUILD_BUG_ON(PTE_INFO_SIZE > BOOTLOADER_LABEL_SIZE); - buf = kmalloc(BOOTLOADER_LABEL_SIZE + 1, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_READY); - ret = wait_ncp_status(wdev, NCP_INFO_READY); - if (ret) - goto error; - - sram_buf_read(wdev, WFX_BOOTLOADER_LABEL, buf, BOOTLOADER_LABEL_SIZE); - buf[BOOTLOADER_LABEL_SIZE] = 0; - dev_dbg(wdev->dev, "bootloader: \"%s\"\n", buf); - - sram_buf_read(wdev, WFX_PTE_INFO, buf, PTE_INFO_SIZE); - ret = get_firmware(wdev, buf[PTE_INFO_KEYSET_IDX], &fw, &fw_offset); - if (ret) - goto error; - header_size = fw_offset + FW_SIGNATURE_SIZE + FW_HASH_SIZE; - - sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_INFO_READ); - ret = wait_ncp_status(wdev, NCP_READY); - if (ret) - goto error; - - sram_reg_write(wdev, WFX_DNLD_FIFO, 0xFFFFFFFF); /* Fifo init */ - sram_write_dma_safe(wdev, WFX_DCA_FW_VERSION, "\x01\x00\x00\x00", - FW_VERSION_SIZE); - sram_write_dma_safe(wdev, WFX_DCA_FW_SIGNATURE, fw->data + fw_offset, - FW_SIGNATURE_SIZE); - sram_write_dma_safe(wdev, WFX_DCA_FW_HASH, - fw->data + fw_offset + FW_SIGNATURE_SIZE, - FW_HASH_SIZE); - sram_reg_write(wdev, WFX_DCA_IMAGE_SIZE, fw->size - header_size); - sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_PENDING); - ret = wait_ncp_status(wdev, NCP_DOWNLOAD_PENDING); - if (ret) - goto error; - - start = ktime_get(); - ret = upload_firmware(wdev, fw->data + header_size, - fw->size - header_size); - if (ret) - goto error; - dev_dbg(wdev->dev, "firmware load after %lldus\n", - ktime_us_delta(ktime_get(), start)); - - sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_UPLOAD_COMPLETE); - ret = wait_ncp_status(wdev, NCP_AUTH_OK); - /* Legacy ROM support */ - if (ret < 0) - ret = wait_ncp_status(wdev, NCP_PUB_KEY_RDY); - if (ret < 0) - goto error; - sram_reg_write(wdev, WFX_DCA_HOST_STATUS, HOST_OK_TO_JUMP); - -error: - kfree(buf); - if (fw) - release_firmware(fw); - if (ret) - print_boot_status(wdev); - return ret; -} - -static int init_gpr(struct wfx_dev *wdev) -{ - int ret, i; - static const struct { - int index; - u32 value; - } gpr_init[] = { - { 0x07, 0x208775 }, - { 0x08, 0x2EC020 }, - { 0x09, 0x3C3C3C }, - { 0x0B, 0x322C44 }, - { 0x0C, 0xA06497 }, - }; - - for (i = 0; i < ARRAY_SIZE(gpr_init); i++) { - ret = igpr_reg_write(wdev, gpr_init[i].index, - gpr_init[i].value); - if (ret < 0) - return ret; - dev_dbg(wdev->dev, " index %02x: %08x\n", - gpr_init[i].index, gpr_init[i].value); - } - return 0; -} - -int wfx_init_device(struct wfx_dev *wdev) -{ - int ret; - int hw_revision, hw_type; - int wakeup_timeout = 50; /* ms */ - ktime_t now, start; - u32 reg; - - reg = CFG_DIRECT_ACCESS_MODE | CFG_CPU_RESET | CFG_BYTE_ORDER_ABCD; - if (wdev->pdata.use_rising_clk) - reg |= CFG_CLK_RISE_EDGE; - ret = config_reg_write(wdev, reg); - if (ret < 0) { - dev_err(wdev->dev, "bus returned an error during first write access. Host configuration error?\n"); - return -EIO; - } - - ret = config_reg_read(wdev, ®); - if (ret < 0) { - dev_err(wdev->dev, "bus returned an error during first read access. Bus configuration error?\n"); - return -EIO; - } - if (reg == 0 || reg == ~0) { - dev_err(wdev->dev, "chip mute. Bus configuration error or chip wasn't reset?\n"); - return -EIO; - } - dev_dbg(wdev->dev, "initial config register value: %08x\n", reg); - - hw_revision = FIELD_GET(CFG_DEVICE_ID_MAJOR, reg); - if (hw_revision == 0) { - dev_err(wdev->dev, "bad hardware revision number: %d\n", - hw_revision); - return -ENODEV; - } - hw_type = FIELD_GET(CFG_DEVICE_ID_TYPE, reg); - if (hw_type == 1) { - dev_notice(wdev->dev, "development hardware detected\n"); - wakeup_timeout = 2000; - } - - ret = init_gpr(wdev); - if (ret < 0) - return ret; - - ret = control_reg_write(wdev, CTRL_WLAN_WAKEUP); - if (ret < 0) - return -EIO; - start = ktime_get(); - for (;;) { - ret = control_reg_read(wdev, ®); - now = ktime_get(); - if (reg & CTRL_WLAN_READY) - break; - if (ktime_after(now, ktime_add_ms(start, wakeup_timeout))) { - dev_err(wdev->dev, "chip didn't wake up. Chip wasn't reset?\n"); - return -ETIMEDOUT; - } - } - dev_dbg(wdev->dev, "chip wake up after %lldus\n", - ktime_us_delta(now, start)); - - ret = config_reg_write_bits(wdev, CFG_CPU_RESET, 0); - if (ret < 0) - return ret; - ret = load_firmware_secure(wdev); - if (ret < 0) - return ret; - return config_reg_write_bits(wdev, - CFG_DIRECT_ACCESS_MODE | - CFG_IRQ_ENABLE_DATA | - CFG_IRQ_ENABLE_WRDY, - CFG_IRQ_ENABLE_DATA); -} diff --git a/drivers/staging/wfx/fwio.h b/drivers/staging/wfx/fwio.h deleted file mode 100644 index eeea61210eca..000000000000 --- a/drivers/staging/wfx/fwio.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Firmware loading. - * - * Copyright (c) 2017-2019, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_FWIO_H -#define WFX_FWIO_H - -struct wfx_dev; - -int wfx_init_device(struct wfx_dev *wdev); - -#endif diff --git a/drivers/staging/wfx/hif_api_cmd.h b/drivers/staging/wfx/hif_api_cmd.h deleted file mode 100644 index b0aa13b23a51..000000000000 --- a/drivers/staging/wfx/hif_api_cmd.h +++ /dev/null @@ -1,555 +0,0 @@ -/* SPDX-License-Identifier: Apache-2.0 */ -/* - * WF200 hardware interface definitions - * - * Copyright (c) 2018-2020, Silicon Laboratories Inc. - */ - -#ifndef WFX_HIF_API_CMD_H -#define WFX_HIF_API_CMD_H - -#include <linux/ieee80211.h> - -#include "hif_api_general.h" - -enum hif_requests_ids { - HIF_REQ_ID_RESET = 0x0a, - HIF_REQ_ID_READ_MIB = 0x05, - HIF_REQ_ID_WRITE_MIB = 0x06, - HIF_REQ_ID_START_SCAN = 0x07, - HIF_REQ_ID_STOP_SCAN = 0x08, - HIF_REQ_ID_TX = 0x04, - HIF_REQ_ID_JOIN = 0x0b, - HIF_REQ_ID_SET_PM_MODE = 0x10, - HIF_REQ_ID_SET_BSS_PARAMS = 0x11, - HIF_REQ_ID_ADD_KEY = 0x0c, - HIF_REQ_ID_REMOVE_KEY = 0x0d, - HIF_REQ_ID_EDCA_QUEUE_PARAMS = 0x13, - HIF_REQ_ID_START = 0x17, - HIF_REQ_ID_BEACON_TRANSMIT = 0x18, - HIF_REQ_ID_UPDATE_IE = 0x1b, - HIF_REQ_ID_MAP_LINK = 0x1c, -}; - -enum hif_confirmations_ids { - HIF_CNF_ID_RESET = 0x0a, - HIF_CNF_ID_READ_MIB = 0x05, - HIF_CNF_ID_WRITE_MIB = 0x06, - HIF_CNF_ID_START_SCAN = 0x07, - HIF_CNF_ID_STOP_SCAN = 0x08, - HIF_CNF_ID_TX = 0x04, - HIF_CNF_ID_MULTI_TRANSMIT = 0x1e, - HIF_CNF_ID_JOIN = 0x0b, - HIF_CNF_ID_SET_PM_MODE = 0x10, - HIF_CNF_ID_SET_BSS_PARAMS = 0x11, - HIF_CNF_ID_ADD_KEY = 0x0c, - HIF_CNF_ID_REMOVE_KEY = 0x0d, - HIF_CNF_ID_EDCA_QUEUE_PARAMS = 0x13, - HIF_CNF_ID_START = 0x17, - HIF_CNF_ID_BEACON_TRANSMIT = 0x18, - HIF_CNF_ID_UPDATE_IE = 0x1b, - HIF_CNF_ID_MAP_LINK = 0x1c, -}; - -enum hif_indications_ids { - HIF_IND_ID_RX = 0x84, - HIF_IND_ID_SCAN_CMPL = 0x86, - HIF_IND_ID_JOIN_COMPLETE = 0x8f, - HIF_IND_ID_SET_PM_MODE_CMPL = 0x89, - HIF_IND_ID_SUSPEND_RESUME_TX = 0x8c, - HIF_IND_ID_EVENT = 0x85 -}; - -struct hif_req_reset { - u8 reset_stat:1; - u8 reset_all_int:1; - u8 reserved1:6; - u8 reserved2[3]; -} __packed; - -struct hif_cnf_reset { - __le32 status; -} __packed; - -struct hif_req_read_mib { - __le16 mib_id; - __le16 reserved; -} __packed; - -struct hif_cnf_read_mib { - __le32 status; - __le16 mib_id; - __le16 length; - u8 mib_data[]; -} __packed; - -struct hif_req_write_mib { - __le16 mib_id; - __le16 length; - u8 mib_data[]; -} __packed; - -struct hif_cnf_write_mib { - __le32 status; -} __packed; - -struct hif_req_update_ie { - u8 beacon:1; - u8 probe_resp:1; - u8 probe_req:1; - u8 reserved1:5; - u8 reserved2; - __le16 num_ies; - u8 ie[]; -} __packed; - -struct hif_cnf_update_ie { - __le32 status; -} __packed; - -struct hif_ssid_def { - __le32 ssid_length; - u8 ssid[IEEE80211_MAX_SSID_LEN]; -} __packed; - -#define HIF_API_MAX_NB_SSIDS 2 -#define HIF_API_MAX_NB_CHANNELS 14 - -struct hif_req_start_scan_alt { - u8 band; - u8 maintain_current_bss:1; - u8 periodic:1; - u8 reserved1:6; - u8 disallow_ps:1; - u8 reserved2:1; - u8 short_preamble:1; - u8 reserved3:5; - u8 max_transmit_rate; - __le16 periodic_interval; - u8 reserved4; - s8 periodic_rssi_thr; - u8 num_of_probe_requests; - u8 probe_delay; - u8 num_of_ssids; - u8 num_of_channels; - __le32 min_channel_time; - __le32 max_channel_time; - __le32 tx_power_level; /* signed value */ - struct hif_ssid_def ssid_def[HIF_API_MAX_NB_SSIDS]; - u8 channel_list[]; -} __packed; - -struct hif_cnf_start_scan { - __le32 status; -} __packed; - -struct hif_cnf_stop_scan { - __le32 status; -} __packed; - -enum hif_pm_mode_status { - HIF_PM_MODE_ACTIVE = 0x0, - HIF_PM_MODE_PS = 0x1, - HIF_PM_MODE_UNDETERMINED = 0x2 -}; - -struct hif_ind_scan_cmpl { - __le32 status; - u8 pm_mode; - u8 num_channels_completed; - __le16 reserved; -} __packed; - -enum hif_queue_id { - HIF_QUEUE_ID_BACKGROUND = 0x0, - HIF_QUEUE_ID_BESTEFFORT = 0x1, - HIF_QUEUE_ID_VIDEO = 0x2, - HIF_QUEUE_ID_VOICE = 0x3 -}; - -enum hif_frame_format { - HIF_FRAME_FORMAT_NON_HT = 0x0, - HIF_FRAME_FORMAT_MIXED_FORMAT_HT = 0x1, - HIF_FRAME_FORMAT_GF_HT_11N = 0x2 -}; - -struct hif_req_tx { - /* packet_id is not interpreted by the device, so it is not necessary to - * declare it little endian - */ - u32 packet_id; - u8 max_tx_rate; - u8 queue_id:2; - u8 peer_sta_id:4; - u8 reserved1:2; - u8 more:1; - u8 fc_offset:3; - u8 after_dtim:1; - u8 reserved2:3; - u8 start_exp:1; - u8 reserved3:3; - u8 retry_policy_index:4; - __le32 reserved4; - __le32 expire_time; - u8 frame_format:4; - u8 fec_coding:1; - u8 short_gi:1; - u8 reserved5:1; - u8 stbc:1; - u8 reserved6; - u8 aggregation:1; - u8 reserved7:7; - u8 reserved8; - u8 frame[]; -} __packed; - -enum hif_qos_ackplcy { - HIF_QOS_ACKPLCY_NORMAL = 0x0, - HIF_QOS_ACKPLCY_TXNOACK = 0x1, - HIF_QOS_ACKPLCY_NOEXPACK = 0x2, - HIF_QOS_ACKPLCY_BLCKACK = 0x3 -}; - -struct hif_cnf_tx { - __le32 status; - /* packet_id is copied from struct hif_req_tx without been interpreted - * by the device, so it is not necessary to declare it little endian - */ - u32 packet_id; - u8 txed_rate; - u8 ack_failures; - u8 aggr:1; - u8 requeue:1; - u8 ack_policy:2; - u8 txop_limit:1; - u8 reserved1:3; - u8 reserved2; - __le32 media_delay; - __le32 tx_queue_delay; -} __packed; - -struct hif_cnf_multi_transmit { - u8 num_tx_confs; - u8 reserved[3]; - struct hif_cnf_tx tx_conf_payload[]; -} __packed; - -enum hif_ri_flags_encrypt { - HIF_RI_FLAGS_UNENCRYPTED = 0x0, - HIF_RI_FLAGS_WEP_ENCRYPTED = 0x1, - HIF_RI_FLAGS_TKIP_ENCRYPTED = 0x2, - HIF_RI_FLAGS_AES_ENCRYPTED = 0x3, - HIF_RI_FLAGS_WAPI_ENCRYPTED = 0x4 -}; - -struct hif_ind_rx { - __le32 status; - u8 channel_number; - u8 reserved1; - u8 rxed_rate; - u8 rcpi_rssi; - u8 encryp:3; - u8 in_aggr:1; - u8 first_aggr:1; - u8 last_aggr:1; - u8 defrag:1; - u8 beacon:1; - u8 tim:1; - u8 bitmap:1; - u8 match_ssid:1; - u8 match_bssid:1; - u8 more:1; - u8 reserved2:1; - u8 ht:1; - u8 stbc:1; - u8 match_uc_addr:1; - u8 match_mc_addr:1; - u8 match_bc_addr:1; - u8 key_type:1; - u8 key_index:4; - u8 reserved3:1; - u8 peer_sta_id:4; - u8 reserved4:2; - u8 reserved5:1; - u8 frame[]; -} __packed; - -struct hif_req_edca_queue_params { - u8 queue_id; - u8 reserved1; - u8 aifsn; - u8 reserved2; - __le16 cw_min; - __le16 cw_max; - __le16 tx_op_limit; - __le16 allowed_medium_time; - __le32 reserved3; -} __packed; - -struct hif_cnf_edca_queue_params { - __le32 status; -} __packed; - -struct hif_req_join { - u8 infrastructure_bss_mode:1; - u8 reserved1:7; - u8 band; - u8 channel_number; - u8 reserved2; - u8 bssid[ETH_ALEN]; - __le16 atim_window; - u8 short_preamble:1; - u8 reserved3:7; - u8 probe_for_join; - u8 reserved4; - u8 reserved5:2; - u8 force_no_beacon:1; - u8 force_with_ind:1; - u8 reserved6:4; - __le32 ssid_length; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - __le32 beacon_interval; - __le32 basic_rate_set; -} __packed; - -struct hif_cnf_join { - __le32 status; -} __packed; - -struct hif_ind_join_complete { - __le32 status; -} __packed; - -struct hif_req_set_bss_params { - u8 lost_count_only:1; - u8 reserved:7; - u8 beacon_lost_count; - __le16 aid; - __le32 operational_rate_set; -} __packed; - -struct hif_cnf_set_bss_params { - __le32 status; -} __packed; - -struct hif_req_set_pm_mode { - u8 enter_psm:1; - u8 reserved:6; - u8 fast_psm:1; - u8 fast_psm_idle_period; - u8 ap_psm_change_period; - u8 min_auto_ps_poll_period; -} __packed; - -struct hif_cnf_set_pm_mode { - __le32 status; -} __packed; - -struct hif_ind_set_pm_mode_cmpl { - __le32 status; - u8 pm_mode; - u8 reserved[3]; -} __packed; - -struct hif_req_start { - u8 mode; - u8 band; - u8 channel_number; - u8 reserved1; - __le32 reserved2; - __le32 beacon_interval; - u8 dtim_period; - u8 short_preamble:1; - u8 reserved3:7; - u8 reserved4; - u8 ssid_length; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - __le32 basic_rate_set; -} __packed; - -struct hif_cnf_start { - __le32 status; -} __packed; - -struct hif_req_beacon_transmit { - u8 enable_beaconing; - u8 reserved[3]; -} __packed; - -struct hif_cnf_beacon_transmit { - __le32 status; -} __packed; - -#define HIF_LINK_ID_MAX 14 -#define HIF_LINK_ID_NOT_ASSOCIATED (HIF_LINK_ID_MAX + 1) - -struct hif_req_map_link { - u8 mac_addr[ETH_ALEN]; - u8 unmap:1; - u8 mfpc:1; - u8 reserved:6; - u8 peer_sta_id; -} __packed; - -struct hif_cnf_map_link { - __le32 status; -} __packed; - -struct hif_ind_suspend_resume_tx { - u8 resume:1; - u8 reserved1:2; - u8 bc_mc_only:1; - u8 reserved2:4; - u8 reserved3; - __le16 peer_sta_set; -} __packed; - - -#define MAX_KEY_ENTRIES 24 -#define HIF_API_WEP_KEY_DATA_SIZE 16 -#define HIF_API_TKIP_KEY_DATA_SIZE 16 -#define HIF_API_RX_MIC_KEY_SIZE 8 -#define HIF_API_TX_MIC_KEY_SIZE 8 -#define HIF_API_AES_KEY_DATA_SIZE 16 -#define HIF_API_WAPI_KEY_DATA_SIZE 16 -#define HIF_API_MIC_KEY_DATA_SIZE 16 -#define HIF_API_IGTK_KEY_DATA_SIZE 16 -#define HIF_API_RX_SEQUENCE_COUNTER_SIZE 8 -#define HIF_API_IPN_SIZE 8 - -enum hif_key_type { - HIF_KEY_TYPE_WEP_DEFAULT = 0x0, - HIF_KEY_TYPE_WEP_PAIRWISE = 0x1, - HIF_KEY_TYPE_TKIP_GROUP = 0x2, - HIF_KEY_TYPE_TKIP_PAIRWISE = 0x3, - HIF_KEY_TYPE_AES_GROUP = 0x4, - HIF_KEY_TYPE_AES_PAIRWISE = 0x5, - HIF_KEY_TYPE_WAPI_GROUP = 0x6, - HIF_KEY_TYPE_WAPI_PAIRWISE = 0x7, - HIF_KEY_TYPE_IGTK_GROUP = 0x8, - HIF_KEY_TYPE_NONE = 0x9 -}; - -struct hif_wep_pairwise_key { - u8 peer_address[ETH_ALEN]; - u8 reserved; - u8 key_length; - u8 key_data[HIF_API_WEP_KEY_DATA_SIZE]; -} __packed; - -struct hif_wep_group_key { - u8 key_id; - u8 key_length; - u8 reserved[2]; - u8 key_data[HIF_API_WEP_KEY_DATA_SIZE]; -} __packed; - -struct hif_tkip_pairwise_key { - u8 peer_address[ETH_ALEN]; - u8 reserved[2]; - u8 tkip_key_data[HIF_API_TKIP_KEY_DATA_SIZE]; - u8 rx_mic_key[HIF_API_RX_MIC_KEY_SIZE]; - u8 tx_mic_key[HIF_API_TX_MIC_KEY_SIZE]; -} __packed; - -struct hif_tkip_group_key { - u8 tkip_key_data[HIF_API_TKIP_KEY_DATA_SIZE]; - u8 rx_mic_key[HIF_API_RX_MIC_KEY_SIZE]; - u8 key_id; - u8 reserved[3]; - u8 rx_sequence_counter[HIF_API_RX_SEQUENCE_COUNTER_SIZE]; -} __packed; - -struct hif_aes_pairwise_key { - u8 peer_address[ETH_ALEN]; - u8 reserved[2]; - u8 aes_key_data[HIF_API_AES_KEY_DATA_SIZE]; -} __packed; - -struct hif_aes_group_key { - u8 aes_key_data[HIF_API_AES_KEY_DATA_SIZE]; - u8 key_id; - u8 reserved[3]; - u8 rx_sequence_counter[HIF_API_RX_SEQUENCE_COUNTER_SIZE]; -} __packed; - -struct hif_wapi_pairwise_key { - u8 peer_address[ETH_ALEN]; - u8 key_id; - u8 reserved; - u8 wapi_key_data[HIF_API_WAPI_KEY_DATA_SIZE]; - u8 mic_key_data[HIF_API_MIC_KEY_DATA_SIZE]; -} __packed; - -struct hif_wapi_group_key { - u8 wapi_key_data[HIF_API_WAPI_KEY_DATA_SIZE]; - u8 mic_key_data[HIF_API_MIC_KEY_DATA_SIZE]; - u8 key_id; - u8 reserved[3]; -} __packed; - -struct hif_igtk_group_key { - u8 igtk_key_data[HIF_API_IGTK_KEY_DATA_SIZE]; - u8 key_id; - u8 reserved[3]; - u8 ipn[HIF_API_IPN_SIZE]; -} __packed; - -struct hif_req_add_key { - u8 type; - u8 entry_index; - u8 int_id:2; - u8 reserved1:6; - u8 reserved2; - union { - struct hif_wep_pairwise_key wep_pairwise_key; - struct hif_wep_group_key wep_group_key; - struct hif_tkip_pairwise_key tkip_pairwise_key; - struct hif_tkip_group_key tkip_group_key; - struct hif_aes_pairwise_key aes_pairwise_key; - struct hif_aes_group_key aes_group_key; - struct hif_wapi_pairwise_key wapi_pairwise_key; - struct hif_wapi_group_key wapi_group_key; - struct hif_igtk_group_key igtk_group_key; - } key; -} __packed; - -struct hif_cnf_add_key { - __le32 status; -} __packed; - -struct hif_req_remove_key { - u8 entry_index; - u8 reserved[3]; -} __packed; - -struct hif_cnf_remove_key { - __le32 status; -} __packed; - -enum hif_event_ind { - HIF_EVENT_IND_BSSLOST = 0x1, - HIF_EVENT_IND_BSSREGAINED = 0x2, - HIF_EVENT_IND_RCPI_RSSI = 0x3, - HIF_EVENT_IND_PS_MODE_ERROR = 0x4, - HIF_EVENT_IND_INACTIVITY = 0x5 -}; - -enum hif_ps_mode_error { - HIF_PS_ERROR_NO_ERROR = 0, - HIF_PS_ERROR_AP_NOT_RESP_TO_POLL = 1, - HIF_PS_ERROR_AP_NOT_RESP_TO_UAPSD_TRIGGER = 2, - HIF_PS_ERROR_AP_SENT_UNICAST_IN_DOZE = 3, - HIF_PS_ERROR_AP_NO_DATA_AFTER_TIM = 4 -}; - -struct hif_ind_event { - __le32 event_id; - union { - u8 rcpi_rssi; - __le32 ps_mode_error; - __le32 peer_sta_set; - } event_data; -} __packed; - -#endif diff --git a/drivers/staging/wfx/hif_api_general.h b/drivers/staging/wfx/hif_api_general.h deleted file mode 100644 index 5f74f829b7df..000000000000 --- a/drivers/staging/wfx/hif_api_general.h +++ /dev/null @@ -1,262 +0,0 @@ -/* SPDX-License-Identifier: Apache-2.0 */ -/* - * WF200 hardware interface definitions - * - * Copyright (c) 2018-2020, Silicon Laboratories Inc. - */ - -#ifndef WFX_HIF_API_GENERAL_H -#define WFX_HIF_API_GENERAL_H - -#ifdef __KERNEL__ -#include <linux/types.h> -#include <linux/if_ether.h> -#else -#include <net/ethernet.h> -#include <stdint.h> -#define __packed __attribute__((__packed__)) -#endif - -#define HIF_ID_IS_INDICATION 0x80 -#define HIF_COUNTER_MAX 7 - -struct hif_msg { - __le16 len; - u8 id; - u8 reserved:1; - u8 interface:2; - u8 seqnum:3; - u8 encrypted:2; - u8 body[]; -} __packed; - -enum hif_general_requests_ids { - HIF_REQ_ID_CONFIGURATION = 0x09, - HIF_REQ_ID_CONTROL_GPIO = 0x26, - HIF_REQ_ID_SET_SL_MAC_KEY = 0x27, - HIF_REQ_ID_SL_EXCHANGE_PUB_KEYS = 0x28, - HIF_REQ_ID_SL_CONFIGURE = 0x29, - HIF_REQ_ID_PREVENT_ROLLBACK = 0x2a, - HIF_REQ_ID_PTA_SETTINGS = 0x2b, - HIF_REQ_ID_PTA_PRIORITY = 0x2c, - HIF_REQ_ID_PTA_STATE = 0x2d, - HIF_REQ_ID_SHUT_DOWN = 0x32, -}; - -enum hif_general_confirmations_ids { - HIF_CNF_ID_CONFIGURATION = 0x09, - HIF_CNF_ID_CONTROL_GPIO = 0x26, - HIF_CNF_ID_SET_SL_MAC_KEY = 0x27, - HIF_CNF_ID_SL_EXCHANGE_PUB_KEYS = 0x28, - HIF_CNF_ID_SL_CONFIGURE = 0x29, - HIF_CNF_ID_PREVENT_ROLLBACK = 0x2a, - HIF_CNF_ID_PTA_SETTINGS = 0x2b, - HIF_CNF_ID_PTA_PRIORITY = 0x2c, - HIF_CNF_ID_PTA_STATE = 0x2d, - HIF_CNF_ID_SHUT_DOWN = 0x32, -}; - -enum hif_general_indications_ids { - HIF_IND_ID_EXCEPTION = 0xe0, - HIF_IND_ID_STARTUP = 0xe1, - HIF_IND_ID_WAKEUP = 0xe2, - HIF_IND_ID_GENERIC = 0xe3, - HIF_IND_ID_ERROR = 0xe4, - HIF_IND_ID_SL_EXCHANGE_PUB_KEYS = 0xe5 -}; - -#define HIF_STATUS_SUCCESS (cpu_to_le32(0x0000)) -#define HIF_STATUS_FAIL (cpu_to_le32(0x0001)) -#define HIF_STATUS_INVALID_PARAMETER (cpu_to_le32(0x0002)) -#define HIF_STATUS_WARNING (cpu_to_le32(0x0003)) -#define HIF_STATUS_UNKNOWN_REQUEST (cpu_to_le32(0x0004)) -#define HIF_STATUS_RX_FAIL_DECRYPT (cpu_to_le32(0x0010)) -#define HIF_STATUS_RX_FAIL_MIC (cpu_to_le32(0x0011)) -#define HIF_STATUS_RX_FAIL_NO_KEY (cpu_to_le32(0x0012)) -#define HIF_STATUS_TX_FAIL_RETRIES (cpu_to_le32(0x0013)) -#define HIF_STATUS_TX_FAIL_TIMEOUT (cpu_to_le32(0x0014)) -#define HIF_STATUS_TX_FAIL_REQUEUE (cpu_to_le32(0x0015)) -#define HIF_STATUS_REFUSED (cpu_to_le32(0x0016)) -#define HIF_STATUS_BUSY (cpu_to_le32(0x0017)) -#define HIF_STATUS_SLK_SET_KEY_SUCCESS (cpu_to_le32(0x005A)) -#define HIF_STATUS_SLK_SET_KEY_ALREADY_BURNED (cpu_to_le32(0x006B)) -#define HIF_STATUS_SLK_SET_KEY_DISALLOWED_MODE (cpu_to_le32(0x007C)) -#define HIF_STATUS_SLK_SET_KEY_UNKNOWN_MODE (cpu_to_le32(0x008D)) -#define HIF_STATUS_SLK_NEGO_SUCCESS (cpu_to_le32(0x009E)) -#define HIF_STATUS_SLK_NEGO_FAILED (cpu_to_le32(0x00AF)) -#define HIF_STATUS_ROLLBACK_SUCCESS (cpu_to_le32(0x1234)) -#define HIF_STATUS_ROLLBACK_FAIL (cpu_to_le32(0x1256)) - -enum hif_api_rate_index { - API_RATE_INDEX_B_1MBPS = 0, - API_RATE_INDEX_B_2MBPS = 1, - API_RATE_INDEX_B_5P5MBPS = 2, - API_RATE_INDEX_B_11MBPS = 3, - API_RATE_INDEX_PBCC_22MBPS = 4, - API_RATE_INDEX_PBCC_33MBPS = 5, - API_RATE_INDEX_G_6MBPS = 6, - API_RATE_INDEX_G_9MBPS = 7, - API_RATE_INDEX_G_12MBPS = 8, - API_RATE_INDEX_G_18MBPS = 9, - API_RATE_INDEX_G_24MBPS = 10, - API_RATE_INDEX_G_36MBPS = 11, - API_RATE_INDEX_G_48MBPS = 12, - API_RATE_INDEX_G_54MBPS = 13, - API_RATE_INDEX_N_6P5MBPS = 14, - API_RATE_INDEX_N_13MBPS = 15, - API_RATE_INDEX_N_19P5MBPS = 16, - API_RATE_INDEX_N_26MBPS = 17, - API_RATE_INDEX_N_39MBPS = 18, - API_RATE_INDEX_N_52MBPS = 19, - API_RATE_INDEX_N_58P5MBPS = 20, - API_RATE_INDEX_N_65MBPS = 21, - API_RATE_NUM_ENTRIES = 22 -}; - -struct hif_ind_startup { - /* As the others, this struct is interpreted as little endian by the - * device. However, this struct is also used by the driver. We prefer to - * declare it in native order and doing byte swap on reception. - */ - __le32 status; - u16 hardware_id; - u8 opn[14]; - u8 uid[8]; - u16 num_inp_ch_bufs; - u16 size_inp_ch_buf; - u8 num_links_ap; - u8 num_interfaces; - u8 mac_addr[2][ETH_ALEN]; - u8 api_version_minor; - u8 api_version_major; - u8 link_mode:2; - u8 reserved1:6; - u8 reserved2; - u8 reserved3; - u8 reserved4; - u8 firmware_build; - u8 firmware_minor; - u8 firmware_major; - u8 firmware_type; - u8 disabled_channel_list[2]; - u8 region_sel_mode:4; - u8 reserved5:4; - u8 phy1_region:3; - u8 phy0_region:3; - u8 otp_phy_ver:2; - u32 supported_rate_mask; - u8 firmware_label[128]; -} __packed; - -struct hif_ind_wakeup { -} __packed; - -struct hif_req_configuration { - __le16 length; - u8 pds_data[]; -} __packed; - -struct hif_cnf_configuration { - __le32 status; -} __packed; - -enum hif_gpio_mode { - HIF_GPIO_MODE_D0 = 0x0, - HIF_GPIO_MODE_D1 = 0x1, - HIF_GPIO_MODE_OD0 = 0x2, - HIF_GPIO_MODE_OD1 = 0x3, - HIF_GPIO_MODE_TRISTATE = 0x4, - HIF_GPIO_MODE_TOGGLE = 0x5, - HIF_GPIO_MODE_READ = 0x6 -}; - -struct hif_req_control_gpio { - u8 gpio_label; - u8 gpio_mode; -} __packed; - -struct hif_cnf_control_gpio { - __le32 status; - __le32 value; -} __packed; - -enum hif_generic_indication_type { - HIF_GENERIC_INDICATION_TYPE_RAW = 0x0, - HIF_GENERIC_INDICATION_TYPE_STRING = 0x1, - HIF_GENERIC_INDICATION_TYPE_RX_STATS = 0x2, - HIF_GENERIC_INDICATION_TYPE_TX_POWER_LOOP_INFO = 0x3, -}; - -struct hif_rx_stats { - __le32 nb_rx_frame; - __le32 nb_crc_frame; - __le32 per_total; - __le32 throughput; - __le32 nb_rx_by_rate[API_RATE_NUM_ENTRIES]; - __le16 per[API_RATE_NUM_ENTRIES]; - __le16 snr[API_RATE_NUM_ENTRIES]; /* signed value */ - __le16 rssi[API_RATE_NUM_ENTRIES]; /* signed value */ - __le16 cfo[API_RATE_NUM_ENTRIES]; /* signed value */ - __le32 date; - __le32 pwr_clk_freq; - u8 is_ext_pwr_clk; - s8 current_temp; -} __packed; - -struct hif_tx_power_loop_info { - __le16 tx_gain_dig; - __le16 tx_gain_pa; - __le16 target_pout; /* signed value */ - __le16 p_estimation; /* signed value */ - __le16 vpdet; - u8 measurement_index; - u8 reserved; -} __packed; - -struct hif_ind_generic { - __le32 type; - union { - struct hif_rx_stats rx_stats; - struct hif_tx_power_loop_info tx_power_loop_info; - } data; -} __packed; - -enum hif_error { - HIF_ERROR_FIRMWARE_ROLLBACK = 0x00, - HIF_ERROR_FIRMWARE_DEBUG_ENABLED = 0x01, - HIF_ERROR_SLK_OUTDATED_SESSION_KEY = 0x02, - HIF_ERROR_SLK_SESSION_KEY = 0x03, - HIF_ERROR_OOR_VOLTAGE = 0x04, - HIF_ERROR_PDS_PAYLOAD = 0x05, - HIF_ERROR_OOR_TEMPERATURE = 0x06, - HIF_ERROR_SLK_REQ_DURING_KEY_EXCHANGE = 0x07, - HIF_ERROR_SLK_MULTI_TX_UNSUPPORTED = 0x08, - HIF_ERROR_SLK_OVERFLOW = 0x09, - HIF_ERROR_SLK_DECRYPTION = 0x0a, - HIF_ERROR_SLK_WRONG_ENCRYPTION_STATE = 0x0b, - HIF_ERROR_HIF_BUS_FREQUENCY_TOO_LOW = 0x0c, - HIF_ERROR_HIF_RX_DATA_TOO_LARGE = 0x0e, - HIF_ERROR_HIF_TX_QUEUE_FULL = 0x0d, - HIF_ERROR_HIF_BUS = 0x0f, - HIF_ERROR_PDS_TESTFEATURE = 0x10, - HIF_ERROR_SLK_UNCONFIGURED = 0x11, -}; - -struct hif_ind_error { - __le32 type; - u8 data[]; -} __packed; - -struct hif_ind_exception { - __le32 type; - u8 data[]; -} __packed; - -enum hif_secure_link_state { - SEC_LINK_UNAVAILABLE = 0x0, - SEC_LINK_RESERVED = 0x1, - SEC_LINK_EVAL = 0x2, - SEC_LINK_ENFORCED = 0x3 -}; - -#endif diff --git a/drivers/staging/wfx/hif_api_mib.h b/drivers/staging/wfx/hif_api_mib.h deleted file mode 100644 index da534f244757..000000000000 --- a/drivers/staging/wfx/hif_api_mib.h +++ /dev/null @@ -1,346 +0,0 @@ -/* SPDX-License-Identifier: Apache-2.0 */ -/* - * WF200 hardware interface definitions - * - * Copyright (c) 2018-2020, Silicon Laboratories Inc. - */ - -#ifndef WFX_HIF_API_MIB_H -#define WFX_HIF_API_MIB_H - -#include "hif_api_general.h" - -#define HIF_API_IPV4_ADDRESS_SIZE 4 -#define HIF_API_IPV6_ADDRESS_SIZE 16 - -enum hif_mib_ids { - HIF_MIB_ID_GL_OPERATIONAL_POWER_MODE = 0x2000, - HIF_MIB_ID_GL_BLOCK_ACK_INFO = 0x2001, - HIF_MIB_ID_GL_SET_MULTI_MSG = 0x2002, - HIF_MIB_ID_CCA_CONFIG = 0x2003, - HIF_MIB_ID_ETHERTYPE_DATAFRAME_CONDITION = 0x2010, - HIF_MIB_ID_PORT_DATAFRAME_CONDITION = 0x2011, - HIF_MIB_ID_MAGIC_DATAFRAME_CONDITION = 0x2012, - HIF_MIB_ID_MAC_ADDR_DATAFRAME_CONDITION = 0x2013, - HIF_MIB_ID_IPV4_ADDR_DATAFRAME_CONDITION = 0x2014, - HIF_MIB_ID_IPV6_ADDR_DATAFRAME_CONDITION = 0x2015, - HIF_MIB_ID_UC_MC_BC_DATAFRAME_CONDITION = 0x2016, - HIF_MIB_ID_CONFIG_DATA_FILTER = 0x2017, - HIF_MIB_ID_SET_DATA_FILTERING = 0x2018, - HIF_MIB_ID_ARP_IP_ADDRESSES_TABLE = 0x2019, - HIF_MIB_ID_NS_IP_ADDRESSES_TABLE = 0x201A, - HIF_MIB_ID_RX_FILTER = 0x201B, - HIF_MIB_ID_BEACON_FILTER_TABLE = 0x201C, - HIF_MIB_ID_BEACON_FILTER_ENABLE = 0x201D, - HIF_MIB_ID_GRP_SEQ_COUNTER = 0x2030, - HIF_MIB_ID_TSF_COUNTER = 0x2031, - HIF_MIB_ID_STATISTICS_TABLE = 0x2032, - HIF_MIB_ID_COUNTERS_TABLE = 0x2033, - HIF_MIB_ID_MAX_TX_POWER_LEVEL = 0x2034, - HIF_MIB_ID_EXTENDED_COUNTERS_TABLE = 0x2035, - HIF_MIB_ID_DOT11_MAC_ADDRESS = 0x2040, - HIF_MIB_ID_DOT11_MAX_TRANSMIT_MSDU_LIFETIME = 0x2041, - HIF_MIB_ID_DOT11_MAX_RECEIVE_LIFETIME = 0x2042, - HIF_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID = 0x2043, - HIF_MIB_ID_DOT11_RTS_THRESHOLD = 0x2044, - HIF_MIB_ID_SLOT_TIME = 0x2045, - HIF_MIB_ID_CURRENT_TX_POWER_LEVEL = 0x2046, - HIF_MIB_ID_NON_ERP_PROTECTION = 0x2047, - HIF_MIB_ID_TEMPLATE_FRAME = 0x2048, - HIF_MIB_ID_BEACON_WAKEUP_PERIOD = 0x2049, - HIF_MIB_ID_RCPI_RSSI_THRESHOLD = 0x204A, - HIF_MIB_ID_BLOCK_ACK_POLICY = 0x204B, - HIF_MIB_ID_OVERRIDE_INTERNAL_TX_RATE = 0x204C, - HIF_MIB_ID_SET_ASSOCIATION_MODE = 0x204D, - HIF_MIB_ID_SET_UAPSD_INFORMATION = 0x204E, - HIF_MIB_ID_SET_TX_RATE_RETRY_POLICY = 0x204F, - HIF_MIB_ID_PROTECTED_MGMT_POLICY = 0x2050, - HIF_MIB_ID_SET_HT_PROTECTION = 0x2051, - HIF_MIB_ID_KEEP_ALIVE_PERIOD = 0x2052, - HIF_MIB_ID_ARP_KEEP_ALIVE_PERIOD = 0x2053, - HIF_MIB_ID_INACTIVITY_TIMER = 0x2054, - HIF_MIB_ID_INTERFACE_PROTECTION = 0x2055, - HIF_MIB_ID_BEACON_STATS = 0x2056, -}; - -enum hif_op_power_mode { - HIF_OP_POWER_MODE_ACTIVE = 0x0, - HIF_OP_POWER_MODE_DOZE = 0x1, - HIF_OP_POWER_MODE_QUIESCENT = 0x2 -}; - -struct hif_mib_gl_operational_power_mode { - u8 power_mode:4; - u8 reserved1:3; - u8 wup_ind_activation:1; - u8 reserved2[3]; -} __packed; - -struct hif_mib_gl_set_multi_msg { - u8 enable_multi_tx_conf:1; - u8 reserved1:7; - u8 reserved2[3]; -} __packed; - -enum hif_arp_ns_frame_treatment { - HIF_ARP_NS_FILTERING_DISABLE = 0x0, - HIF_ARP_NS_FILTERING_ENABLE = 0x1, - HIF_ARP_NS_REPLY_ENABLE = 0x2 -}; - -struct hif_mib_arp_ip_addr_table { - u8 condition_idx; - u8 arp_enable; - u8 reserved[2]; - u8 ipv4_address[HIF_API_IPV4_ADDRESS_SIZE]; -} __packed; - -struct hif_mib_rx_filter { - u8 reserved1:1; - u8 bssid_filter:1; - u8 reserved2:1; - u8 fwd_probe_req:1; - u8 keep_alive_filter:1; - u8 reserved3:3; - u8 reserved4[3]; -} __packed; - -struct hif_ie_table_entry { - u8 ie_id; - u8 has_changed:1; - u8 no_longer:1; - u8 has_appeared:1; - u8 reserved:1; - u8 num_match_data:4; - u8 oui[3]; - u8 match_data[3]; -} __packed; - -struct hif_mib_bcn_filter_table { - __le32 num_of_info_elmts; - struct hif_ie_table_entry ie_table[]; -} __packed; - -enum hif_beacon_filter { - HIF_BEACON_FILTER_DISABLE = 0x0, - HIF_BEACON_FILTER_ENABLE = 0x1, - HIF_BEACON_FILTER_AUTO_ERP = 0x2 -}; - -struct hif_mib_bcn_filter_enable { - __le32 enable; - __le32 bcn_count; -} __packed; - -struct hif_mib_extended_count_table { - __le32 count_drop_plcp; - __le32 count_drop_fcs; - __le32 count_tx_frames; - __le32 count_rx_frames; - __le32 count_rx_frames_failed; - __le32 count_drop_decryption; - __le32 count_drop_tkip_mic; - __le32 count_drop_no_key; - __le32 count_tx_frames_multicast; - __le32 count_tx_frames_success; - __le32 count_tx_frames_failed; - __le32 count_tx_frames_retried; - __le32 count_tx_frames_multi_retried; - __le32 count_drop_duplicate; - __le32 count_rts_success; - __le32 count_rts_failed; - __le32 count_ack_failed; - __le32 count_rx_frames_multicast; - __le32 count_rx_frames_success; - __le32 count_drop_cmac_icv; - __le32 count_drop_cmac_replay; - __le32 count_drop_ccmp_replay; - __le32 count_drop_bip_mic; - __le32 count_rx_bcn_success; - __le32 count_rx_bcn_miss; - __le32 count_rx_bcn_dtim; - __le32 count_rx_bcn_dtim_aid0_clr; - __le32 count_rx_bcn_dtim_aid0_set; - __le32 reserved[12]; -} __packed; - -struct hif_mib_count_table { - __le32 count_drop_plcp; - __le32 count_drop_fcs; - __le32 count_tx_frames; - __le32 count_rx_frames; - __le32 count_rx_frames_failed; - __le32 count_drop_decryption; - __le32 count_drop_tkip_mic; - __le32 count_drop_no_key; - __le32 count_tx_frames_multicast; - __le32 count_tx_frames_success; - __le32 count_tx_frames_failed; - __le32 count_tx_frames_retried; - __le32 count_tx_frames_multi_retried; - __le32 count_drop_duplicate; - __le32 count_rts_success; - __le32 count_rts_failed; - __le32 count_ack_failed; - __le32 count_rx_frames_multicast; - __le32 count_rx_frames_success; - __le32 count_drop_cmac_icv; - __le32 count_drop_cmac_replay; - __le32 count_drop_ccmp_replay; - __le32 count_drop_bip_mic; -} __packed; - -struct hif_mib_mac_address { - u8 mac_addr[ETH_ALEN]; - __le16 reserved; -} __packed; - -struct hif_mib_wep_default_key_id { - u8 wep_default_key_id; - u8 reserved[3]; -} __packed; - -struct hif_mib_dot11_rts_threshold { - __le32 threshold; -} __packed; - -struct hif_mib_slot_time { - __le32 slot_time; -} __packed; - -struct hif_mib_current_tx_power_level { - __le32 power_level; /* signed value */ -} __packed; - -struct hif_mib_non_erp_protection { - u8 use_cts_to_self:1; - u8 reserved1:7; - u8 reserved2[3]; -} __packed; - -enum hif_tmplt { - HIF_TMPLT_PRBREQ = 0x0, - HIF_TMPLT_BCN = 0x1, - HIF_TMPLT_NULL = 0x2, - HIF_TMPLT_QOSNUL = 0x3, - HIF_TMPLT_PSPOLL = 0x4, - HIF_TMPLT_PRBRES = 0x5, - HIF_TMPLT_ARP = 0x6, - HIF_TMPLT_NA = 0x7 -}; - -#define HIF_API_MAX_TEMPLATE_FRAME_SIZE 700 - -struct hif_mib_template_frame { - u8 frame_type; - u8 init_rate:7; - u8 mode:1; - __le16 frame_length; - u8 frame[]; -} __packed; - -struct hif_mib_beacon_wake_up_period { - u8 wakeup_period_min; - u8 receive_dtim:1; - u8 reserved1:7; - u8 wakeup_period_max; - u8 reserved2; -} __packed; - -struct hif_mib_rcpi_rssi_threshold { - u8 detection:1; - u8 rcpi_rssi:1; - u8 upperthresh:1; - u8 lowerthresh:1; - u8 reserved:4; - u8 lower_threshold; - u8 upper_threshold; - u8 rolling_average_count; -} __packed; - -#define DEFAULT_BA_MAX_RX_BUFFER_SIZE 16 - -struct hif_mib_block_ack_policy { - u8 block_ack_tx_tid_policy; - u8 reserved1; - u8 block_ack_rx_tid_policy; - u8 block_ack_rx_max_buffer_size; -} __packed; - -enum hif_mpdu_start_spacing { - HIF_MPDU_START_SPACING_NO_RESTRIC = 0x0, - HIF_MPDU_START_SPACING_QUARTER = 0x1, - HIF_MPDU_START_SPACING_HALF = 0x2, - HIF_MPDU_START_SPACING_ONE = 0x3, - HIF_MPDU_START_SPACING_TWO = 0x4, - HIF_MPDU_START_SPACING_FOUR = 0x5, - HIF_MPDU_START_SPACING_EIGHT = 0x6, - HIF_MPDU_START_SPACING_SIXTEEN = 0x7 -}; - -struct hif_mib_set_association_mode { - u8 preambtype_use:1; - u8 mode:1; - u8 rateset:1; - u8 spacing:1; - u8 reserved1:4; - u8 short_preamble:1; - u8 reserved2:7; - u8 greenfield:1; - u8 reserved3:7; - u8 mpdu_start_spacing; - __le32 basic_rate_set; -} __packed; - -struct hif_mib_set_uapsd_information { - u8 trig_bckgrnd:1; - u8 trig_be:1; - u8 trig_video:1; - u8 trig_voice:1; - u8 reserved1:4; - u8 deliv_bckgrnd:1; - u8 deliv_be:1; - u8 deliv_video:1; - u8 deliv_voice:1; - u8 reserved2:4; - __le16 min_auto_trigger_interval; - __le16 max_auto_trigger_interval; - __le16 auto_trigger_step; -} __packed; - -struct hif_tx_rate_retry_policy { - u8 policy_index; - u8 short_retry_count; - u8 long_retry_count; - u8 first_rate_sel:2; - u8 terminate:1; - u8 count_init:1; - u8 reserved1:4; - u8 rate_recovery_count; - u8 reserved2[3]; - u8 rates[12]; -} __packed; - -#define HIF_TX_RETRY_POLICY_MAX 15 -#define HIF_TX_RETRY_POLICY_INVALID HIF_TX_RETRY_POLICY_MAX - -struct hif_mib_set_tx_rate_retry_policy { - u8 num_tx_rate_policies; - u8 reserved[3]; - struct hif_tx_rate_retry_policy tx_rate_retry_policy[]; -} __packed; - -struct hif_mib_protected_mgmt_policy { - u8 pmf_enable:1; - u8 unpmf_allowed:1; - u8 host_enc_auth_frames:1; - u8 reserved1:5; - u8 reserved2[3]; -} __packed; - -struct hif_mib_keep_alive_period { - __le16 keep_alive_period; - u8 reserved[2]; -} __packed; - -#endif diff --git a/drivers/staging/wfx/hif_rx.c b/drivers/staging/wfx/hif_rx.c deleted file mode 100644 index 6963b54d5593..000000000000 --- a/drivers/staging/wfx/hif_rx.c +++ /dev/null @@ -1,416 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Handling of the chip-to-host events (aka indications) of the hardware API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/skbuff.h> -#include <linux/etherdevice.h> - -#include "hif_rx.h" -#include "wfx.h" -#include "scan.h" -#include "bh.h" -#include "sta.h" -#include "data_rx.h" -#include "hif_api_cmd.h" - -static int hif_generic_confirm(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - /* All confirm messages start with status */ - int status = le32_to_cpup((__le32 *)buf); - int cmd = hif->id; - int len = le16_to_cpu(hif->len) - 4; /* drop header */ - - WARN(!mutex_is_locked(&wdev->hif_cmd.lock), "data locking error"); - - if (!wdev->hif_cmd.buf_send) { - dev_warn(wdev->dev, "unexpected confirmation: 0x%.2x\n", cmd); - return -EINVAL; - } - - if (cmd != wdev->hif_cmd.buf_send->id) { - dev_warn(wdev->dev, - "chip response mismatch request: 0x%.2x vs 0x%.2x\n", - cmd, wdev->hif_cmd.buf_send->id); - return -EINVAL; - } - - if (wdev->hif_cmd.buf_recv) { - if (wdev->hif_cmd.len_recv >= len && len > 0) - memcpy(wdev->hif_cmd.buf_recv, buf, len); - else - status = -EIO; - } - wdev->hif_cmd.ret = status; - - complete(&wdev->hif_cmd.done); - return status; -} - -static int hif_tx_confirm(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_cnf_tx *body = buf; - - wfx_tx_confirm_cb(wdev, body); - return 0; -} - -static int hif_multi_tx_confirm(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_cnf_multi_transmit *body = buf; - int i; - - WARN(body->num_tx_confs <= 0, "corrupted message"); - for (i = 0; i < body->num_tx_confs; i++) - wfx_tx_confirm_cb(wdev, &body->tx_conf_payload[i]); - return 0; -} - -static int hif_startup_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_ind_startup *body = buf; - - if (body->status || body->firmware_type > 4) { - dev_err(wdev->dev, "received invalid startup indication"); - return -EINVAL; - } - memcpy(&wdev->hw_caps, body, sizeof(struct hif_ind_startup)); - le16_to_cpus((__le16 *)&wdev->hw_caps.hardware_id); - le16_to_cpus((__le16 *)&wdev->hw_caps.num_inp_ch_bufs); - le16_to_cpus((__le16 *)&wdev->hw_caps.size_inp_ch_buf); - le32_to_cpus((__le32 *)&wdev->hw_caps.supported_rate_mask); - - complete(&wdev->firmware_ready); - return 0; -} - -static int hif_wakeup_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - if (!wdev->pdata.gpio_wakeup || - gpiod_get_value(wdev->pdata.gpio_wakeup) == 0) { - dev_warn(wdev->dev, "unexpected wake-up indication\n"); - return -EIO; - } - return 0; -} - -static int hif_receive_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, - const void *buf, struct sk_buff *skb) -{ - struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); - const struct hif_ind_rx *body = buf; - - if (!wvif) { - dev_warn(wdev->dev, "%s: ignore rx data for non-existent vif %d\n", - __func__, hif->interface); - return -EIO; - } - skb_pull(skb, sizeof(struct hif_msg) + sizeof(struct hif_ind_rx)); - wfx_rx_cb(wvif, body, skb); - - return 0; -} - -static int hif_event_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); - const struct hif_ind_event *body = buf; - int type = le32_to_cpu(body->event_id); - - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - - switch (type) { - case HIF_EVENT_IND_RCPI_RSSI: - wfx_event_report_rssi(wvif, body->event_data.rcpi_rssi); - break; - case HIF_EVENT_IND_BSSLOST: - schedule_delayed_work(&wvif->beacon_loss_work, 0); - break; - case HIF_EVENT_IND_BSSREGAINED: - cancel_delayed_work(&wvif->beacon_loss_work); - dev_dbg(wdev->dev, "ignore BSSREGAINED indication\n"); - break; - case HIF_EVENT_IND_PS_MODE_ERROR: - dev_warn(wdev->dev, "error while processing power save request: %d\n", - le32_to_cpu(body->event_data.ps_mode_error)); - break; - default: - dev_warn(wdev->dev, "unhandled event indication: %.2x\n", - type); - break; - } - return 0; -} - -static int hif_pm_mode_complete_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, - const void *buf) -{ - struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); - - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - complete(&wvif->set_pm_mode_complete); - - return 0; -} - -static int hif_scan_complete_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, - const void *buf) -{ - struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); - const struct hif_ind_scan_cmpl *body = buf; - - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - - wfx_scan_complete(wvif, body->num_channels_completed); - - return 0; -} - -static int hif_join_complete_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, - const void *buf) -{ - struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface); - - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - dev_warn(wdev->dev, "unattended JoinCompleteInd\n"); - - return 0; -} - -static int hif_suspend_resume_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, - const void *buf) -{ - const struct hif_ind_suspend_resume_tx *body = buf; - struct wfx_vif *wvif; - - if (body->bc_mc_only) { - wvif = wdev_to_wvif(wdev, hif->interface); - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - if (body->resume) - wfx_suspend_resume_mc(wvif, STA_NOTIFY_AWAKE); - else - wfx_suspend_resume_mc(wvif, STA_NOTIFY_SLEEP); - } else { - WARN(body->peer_sta_set, "misunderstood indication"); - WARN(hif->interface != 2, "misunderstood indication"); - if (body->resume) - wfx_suspend_hot_dev(wdev, STA_NOTIFY_AWAKE); - else - wfx_suspend_hot_dev(wdev, STA_NOTIFY_SLEEP); - } - - return 0; -} - -static int hif_generic_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_ind_generic *body = buf; - int type = le32_to_cpu(body->type); - - switch (type) { - case HIF_GENERIC_INDICATION_TYPE_RAW: - return 0; - case HIF_GENERIC_INDICATION_TYPE_STRING: - dev_info(wdev->dev, "firmware says: %s\n", (char *)&body->data); - return 0; - case HIF_GENERIC_INDICATION_TYPE_RX_STATS: - mutex_lock(&wdev->rx_stats_lock); - /* Older firmware send a generic indication beside RxStats */ - if (!wfx_api_older_than(wdev, 1, 4)) - dev_info(wdev->dev, "Rx test ongoing. Temperature: %d degrees C\n", - body->data.rx_stats.current_temp); - memcpy(&wdev->rx_stats, &body->data.rx_stats, - sizeof(wdev->rx_stats)); - mutex_unlock(&wdev->rx_stats_lock); - return 0; - case HIF_GENERIC_INDICATION_TYPE_TX_POWER_LOOP_INFO: - mutex_lock(&wdev->tx_power_loop_info_lock); - memcpy(&wdev->tx_power_loop_info, - &body->data.tx_power_loop_info, - sizeof(wdev->tx_power_loop_info)); - mutex_unlock(&wdev->tx_power_loop_info_lock); - return 0; - default: - dev_err(wdev->dev, "generic_indication: unknown indication type: %#.8x\n", - type); - return -EIO; - } -} - -static const struct { - int val; - const char *str; - bool has_param; -} hif_errors[] = { - { HIF_ERROR_FIRMWARE_ROLLBACK, - "rollback status" }, - { HIF_ERROR_FIRMWARE_DEBUG_ENABLED, - "debug feature enabled" }, - { HIF_ERROR_PDS_PAYLOAD, - "PDS version is not supported" }, - { HIF_ERROR_PDS_TESTFEATURE, - "PDS ask for an unknown test mode" }, - { HIF_ERROR_OOR_VOLTAGE, - "out-of-range power supply voltage", true }, - { HIF_ERROR_OOR_TEMPERATURE, - "out-of-range temperature", true }, - { HIF_ERROR_SLK_REQ_DURING_KEY_EXCHANGE, - "secure link does not expect request during key exchange" }, - { HIF_ERROR_SLK_SESSION_KEY, - "secure link session key is invalid" }, - { HIF_ERROR_SLK_OVERFLOW, - "secure link overflow" }, - { HIF_ERROR_SLK_WRONG_ENCRYPTION_STATE, - "secure link messages list does not match message encryption" }, - { HIF_ERROR_SLK_UNCONFIGURED, - "secure link not yet configured" }, - { HIF_ERROR_HIF_BUS_FREQUENCY_TOO_LOW, - "bus clock is too slow (<1kHz)" }, - { HIF_ERROR_HIF_RX_DATA_TOO_LARGE, - "HIF message too large" }, - /* Following errors only exists in old firmware versions: */ - { HIF_ERROR_HIF_TX_QUEUE_FULL, - "HIF messages queue is full" }, - { HIF_ERROR_HIF_BUS, - "HIF bus" }, - { HIF_ERROR_SLK_MULTI_TX_UNSUPPORTED, - "secure link does not support multi-tx confirmations" }, - { HIF_ERROR_SLK_OUTDATED_SESSION_KEY, - "secure link session key is outdated" }, - { HIF_ERROR_SLK_DECRYPTION, - "secure link params (nonce or tag) mismatch" }, -}; - -static int hif_error_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_ind_error *body = buf; - int type = le32_to_cpu(body->type); - int param = (s8)body->data[0]; - int i; - - for (i = 0; i < ARRAY_SIZE(hif_errors); i++) - if (type == hif_errors[i].val) - break; - if (i < ARRAY_SIZE(hif_errors)) - if (hif_errors[i].has_param) - dev_err(wdev->dev, "asynchronous error: %s: %d\n", - hif_errors[i].str, param); - else - dev_err(wdev->dev, "asynchronous error: %s\n", - hif_errors[i].str); - else - dev_err(wdev->dev, "asynchronous error: unknown: %08x\n", type); - print_hex_dump(KERN_INFO, "hif: ", DUMP_PREFIX_OFFSET, - 16, 1, hif, le16_to_cpu(hif->len), false); - wdev->chip_frozen = true; - - return 0; -}; - -static int hif_exception_indication(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf) -{ - const struct hif_ind_exception *body = buf; - int type = le32_to_cpu(body->type); - - if (type == 4) - dev_err(wdev->dev, "firmware assert %d\n", - le32_to_cpup((__le32 *)body->data)); - else - dev_err(wdev->dev, "firmware exception\n"); - print_hex_dump(KERN_INFO, "hif: ", DUMP_PREFIX_OFFSET, - 16, 1, hif, le16_to_cpu(hif->len), false); - wdev->chip_frozen = true; - - return -1; -} - -static const struct { - int msg_id; - int (*handler)(struct wfx_dev *wdev, - const struct hif_msg *hif, const void *buf); -} hif_handlers[] = { - /* Confirmations */ - { HIF_CNF_ID_TX, hif_tx_confirm }, - { HIF_CNF_ID_MULTI_TRANSMIT, hif_multi_tx_confirm }, - /* Indications */ - { HIF_IND_ID_STARTUP, hif_startup_indication }, - { HIF_IND_ID_WAKEUP, hif_wakeup_indication }, - { HIF_IND_ID_JOIN_COMPLETE, hif_join_complete_indication }, - { HIF_IND_ID_SET_PM_MODE_CMPL, hif_pm_mode_complete_indication }, - { HIF_IND_ID_SCAN_CMPL, hif_scan_complete_indication }, - { HIF_IND_ID_SUSPEND_RESUME_TX, hif_suspend_resume_indication }, - { HIF_IND_ID_EVENT, hif_event_indication }, - { HIF_IND_ID_GENERIC, hif_generic_indication }, - { HIF_IND_ID_ERROR, hif_error_indication }, - { HIF_IND_ID_EXCEPTION, hif_exception_indication }, - /* FIXME: allocate skb_p from hif_receive_indication and make it generic */ - //{ HIF_IND_ID_RX, hif_receive_indication }, -}; - -void wfx_handle_rx(struct wfx_dev *wdev, struct sk_buff *skb) -{ - int i; - const struct hif_msg *hif = (const struct hif_msg *)skb->data; - int hif_id = hif->id; - - if (hif_id == HIF_IND_ID_RX) { - /* hif_receive_indication take care of skb lifetime */ - hif_receive_indication(wdev, hif, hif->body, skb); - return; - } - /* Note: mutex_is_lock cause an implicit memory barrier that protect - * buf_send - */ - if (mutex_is_locked(&wdev->hif_cmd.lock) && - wdev->hif_cmd.buf_send && - wdev->hif_cmd.buf_send->id == hif_id) { - hif_generic_confirm(wdev, hif, hif->body); - goto free; - } - for (i = 0; i < ARRAY_SIZE(hif_handlers); i++) { - if (hif_handlers[i].msg_id == hif_id) { - if (hif_handlers[i].handler) - hif_handlers[i].handler(wdev, hif, hif->body); - goto free; - } - } - if (hif_id & 0x80) - dev_err(wdev->dev, "unsupported HIF indication: ID %02x\n", - hif_id); - else - dev_err(wdev->dev, "unexpected HIF confirmation: ID %02x\n", - hif_id); -free: - dev_kfree_skb(skb); -} diff --git a/drivers/staging/wfx/hif_rx.h b/drivers/staging/wfx/hif_rx.h deleted file mode 100644 index 96543b81fa77..000000000000 --- a/drivers/staging/wfx/hif_rx.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Handling of the chip-to-host events (aka indications) of the hardware API. - * - * Copyright (c) 2017-2019, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (C) 2010, ST-Ericsson SA - */ -#ifndef WFX_HIF_RX_H -#define WFX_HIF_RX_H - -struct wfx_dev; -struct sk_buff; - -void wfx_handle_rx(struct wfx_dev *wdev, struct sk_buff *skb); - -#endif diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c deleted file mode 100644 index 2fd8bbd36e25..000000000000 --- a/drivers/staging/wfx/hif_tx.c +++ /dev/null @@ -1,513 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Implementation of the host-to-chip commands (aka request/confirmation) of the - * hardware API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/etherdevice.h> - -#include "hif_tx.h" -#include "wfx.h" -#include "bh.h" -#include "hwio.h" -#include "debug.h" -#include "sta.h" - -void wfx_init_hif_cmd(struct wfx_hif_cmd *hif_cmd) -{ - init_completion(&hif_cmd->ready); - init_completion(&hif_cmd->done); - mutex_init(&hif_cmd->lock); -} - -static void wfx_fill_header(struct hif_msg *hif, int if_id, - unsigned int cmd, size_t size) -{ - if (if_id == -1) - if_id = 2; - - WARN(cmd > 0x3f, "invalid hardware command %#.2x", cmd); - WARN(size > 0xFFF, "requested buffer is too large: %zu bytes", size); - WARN(if_id > 0x3, "invalid interface ID %d", if_id); - - hif->len = cpu_to_le16(size + 4); - hif->id = cmd; - hif->interface = if_id; -} - -static void *wfx_alloc_hif(size_t body_len, struct hif_msg **hif) -{ - *hif = kzalloc(sizeof(struct hif_msg) + body_len, GFP_KERNEL); - if (*hif) - return (*hif)->body; - else - return NULL; -} - -int wfx_cmd_send(struct wfx_dev *wdev, struct hif_msg *request, - void *reply, size_t reply_len, bool no_reply) -{ - const char *mib_name = ""; - const char *mib_sep = ""; - int cmd = request->id; - int vif = request->interface; - int ret; - - /* Do not wait for any reply if chip is frozen */ - if (wdev->chip_frozen) - return -ETIMEDOUT; - - mutex_lock(&wdev->hif_cmd.lock); - WARN(wdev->hif_cmd.buf_send, "data locking error"); - - /* Note: call to complete() below has an implicit memory barrier that - * hopefully protect buf_send - */ - wdev->hif_cmd.buf_send = request; - wdev->hif_cmd.buf_recv = reply; - wdev->hif_cmd.len_recv = reply_len; - complete(&wdev->hif_cmd.ready); - - wfx_bh_request_tx(wdev); - - if (no_reply) { - /* Chip won't reply. Give enough time to the wq to send the - * buffer. - */ - msleep(100); - wdev->hif_cmd.buf_send = NULL; - mutex_unlock(&wdev->hif_cmd.lock); - return 0; - } - - if (wdev->poll_irq) - wfx_bh_poll_irq(wdev); - - ret = wait_for_completion_timeout(&wdev->hif_cmd.done, 1 * HZ); - if (!ret) { - dev_err(wdev->dev, "chip is abnormally long to answer\n"); - reinit_completion(&wdev->hif_cmd.ready); - ret = wait_for_completion_timeout(&wdev->hif_cmd.done, 3 * HZ); - } - if (!ret) { - dev_err(wdev->dev, "chip did not answer\n"); - wfx_pending_dump_old_frames(wdev, 3000); - wdev->chip_frozen = true; - reinit_completion(&wdev->hif_cmd.done); - ret = -ETIMEDOUT; - } else { - ret = wdev->hif_cmd.ret; - } - - wdev->hif_cmd.buf_send = NULL; - mutex_unlock(&wdev->hif_cmd.lock); - - if (ret && - (cmd == HIF_REQ_ID_READ_MIB || cmd == HIF_REQ_ID_WRITE_MIB)) { - mib_name = get_mib_name(((u16 *)request)[2]); - mib_sep = "/"; - } - if (ret < 0) - dev_err(wdev->dev, "hardware request %s%s%s (%#.2x) on vif %d returned error %d\n", - get_hif_name(cmd), mib_sep, mib_name, cmd, vif, ret); - if (ret > 0) - dev_warn(wdev->dev, "hardware request %s%s%s (%#.2x) on vif %d returned status %d\n", - get_hif_name(cmd), mib_sep, mib_name, cmd, vif, ret); - - return ret; -} - -/* This function is special. After HIF_REQ_ID_SHUT_DOWN, chip won't reply to any - * request anymore. Obviously, only call this function during device unregister. - */ -int hif_shutdown(struct wfx_dev *wdev) -{ - int ret; - struct hif_msg *hif; - - wfx_alloc_hif(0, &hif); - if (!hif) - return -ENOMEM; - wfx_fill_header(hif, -1, HIF_REQ_ID_SHUT_DOWN, 0); - ret = wfx_cmd_send(wdev, hif, NULL, 0, true); - if (wdev->pdata.gpio_wakeup) - gpiod_set_value(wdev->pdata.gpio_wakeup, 0); - else - control_reg_write(wdev, 0); - kfree(hif); - return ret; -} - -int hif_configuration(struct wfx_dev *wdev, const u8 *conf, size_t len) -{ - int ret; - size_t buf_len = sizeof(struct hif_req_configuration) + len; - struct hif_msg *hif; - struct hif_req_configuration *body = wfx_alloc_hif(buf_len, &hif); - - if (!hif) - return -ENOMEM; - body->length = cpu_to_le16(len); - memcpy(body->pds_data, conf, len); - wfx_fill_header(hif, -1, HIF_REQ_ID_CONFIGURATION, buf_len); - ret = wfx_cmd_send(wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_reset(struct wfx_vif *wvif, bool reset_stat) -{ - int ret; - struct hif_msg *hif; - struct hif_req_reset *body = wfx_alloc_hif(sizeof(*body), &hif); - - if (!hif) - return -ENOMEM; - body->reset_stat = reset_stat; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_RESET, sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_read_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, - void *val, size_t val_len) -{ - int ret; - struct hif_msg *hif; - int buf_len = sizeof(struct hif_cnf_read_mib) + val_len; - struct hif_req_read_mib *body = wfx_alloc_hif(sizeof(*body), &hif); - struct hif_cnf_read_mib *reply = kmalloc(buf_len, GFP_KERNEL); - - if (!body || !reply) { - ret = -ENOMEM; - goto out; - } - body->mib_id = cpu_to_le16(mib_id); - wfx_fill_header(hif, vif_id, HIF_REQ_ID_READ_MIB, sizeof(*body)); - ret = wfx_cmd_send(wdev, hif, reply, buf_len, false); - - if (!ret && mib_id != le16_to_cpu(reply->mib_id)) { - dev_warn(wdev->dev, "%s: confirmation mismatch request\n", - __func__); - ret = -EIO; - } - if (ret == -ENOMEM) - dev_err(wdev->dev, "buffer is too small to receive %s (%zu < %d)\n", - get_mib_name(mib_id), val_len, - le16_to_cpu(reply->length)); - if (!ret) - memcpy(val, &reply->mib_data, le16_to_cpu(reply->length)); - else - memset(val, 0xFF, val_len); -out: - kfree(hif); - kfree(reply); - return ret; -} - -int hif_write_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, - void *val, size_t val_len) -{ - int ret; - struct hif_msg *hif; - int buf_len = sizeof(struct hif_req_write_mib) + val_len; - struct hif_req_write_mib *body = wfx_alloc_hif(buf_len, &hif); - - if (!hif) - return -ENOMEM; - body->mib_id = cpu_to_le16(mib_id); - body->length = cpu_to_le16(val_len); - memcpy(&body->mib_data, val, val_len); - wfx_fill_header(hif, vif_id, HIF_REQ_ID_WRITE_MIB, buf_len); - ret = wfx_cmd_send(wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_scan(struct wfx_vif *wvif, struct cfg80211_scan_request *req, - int chan_start_idx, int chan_num) -{ - int ret, i; - struct hif_msg *hif; - size_t buf_len = - sizeof(struct hif_req_start_scan_alt) + chan_num * sizeof(u8); - struct hif_req_start_scan_alt *body = wfx_alloc_hif(buf_len, &hif); - - WARN(chan_num > HIF_API_MAX_NB_CHANNELS, "invalid params"); - WARN(req->n_ssids > HIF_API_MAX_NB_SSIDS, "invalid params"); - - if (!hif) - return -ENOMEM; - for (i = 0; i < req->n_ssids; i++) { - memcpy(body->ssid_def[i].ssid, req->ssids[i].ssid, - IEEE80211_MAX_SSID_LEN); - body->ssid_def[i].ssid_length = - cpu_to_le32(req->ssids[i].ssid_len); - } - body->num_of_ssids = HIF_API_MAX_NB_SSIDS; - body->maintain_current_bss = 1; - body->disallow_ps = 1; - body->tx_power_level = - cpu_to_le32(req->channels[chan_start_idx]->max_power); - body->num_of_channels = chan_num; - for (i = 0; i < chan_num; i++) - body->channel_list[i] = - req->channels[i + chan_start_idx]->hw_value; - if (req->no_cck) - body->max_transmit_rate = API_RATE_INDEX_G_6MBPS; - else - body->max_transmit_rate = API_RATE_INDEX_B_1MBPS; - if (req->channels[chan_start_idx]->flags & IEEE80211_CHAN_NO_IR) { - body->min_channel_time = cpu_to_le32(50); - body->max_channel_time = cpu_to_le32(150); - } else { - body->min_channel_time = cpu_to_le32(10); - body->max_channel_time = cpu_to_le32(50); - body->num_of_probe_requests = 2; - body->probe_delay = 100; - } - - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START_SCAN, buf_len); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_stop_scan(struct wfx_vif *wvif) -{ - int ret; - struct hif_msg *hif; - /* body associated to HIF_REQ_ID_STOP_SCAN is empty */ - wfx_alloc_hif(0, &hif); - - if (!hif) - return -ENOMEM; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_STOP_SCAN, 0); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf, - struct ieee80211_channel *channel, const u8 *ssid, int ssidlen) -{ - int ret; - struct hif_msg *hif; - struct hif_req_join *body = wfx_alloc_hif(sizeof(*body), &hif); - - WARN_ON(!conf->beacon_int); - WARN_ON(!conf->basic_rates); - WARN_ON(sizeof(body->ssid) < ssidlen); - WARN(!conf->ibss_joined && !ssidlen, "joining an unknown BSS"); - if (!hif) - return -ENOMEM; - body->infrastructure_bss_mode = !conf->ibss_joined; - body->short_preamble = conf->use_short_preamble; - body->probe_for_join = !(channel->flags & IEEE80211_CHAN_NO_IR); - body->channel_number = channel->hw_value; - body->beacon_interval = cpu_to_le32(conf->beacon_int); - body->basic_rate_set = - cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates)); - memcpy(body->bssid, conf->bssid, sizeof(body->bssid)); - if (ssid) { - body->ssid_length = cpu_to_le32(ssidlen); - memcpy(body->ssid, ssid, ssidlen); - } - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_JOIN, sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_set_bss_params(struct wfx_vif *wvif, int aid, int beacon_lost_count) -{ - int ret; - struct hif_msg *hif; - struct hif_req_set_bss_params *body = - wfx_alloc_hif(sizeof(*body), &hif); - - if (!hif) - return -ENOMEM; - body->aid = cpu_to_le16(aid); - body->beacon_lost_count = beacon_lost_count; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_SET_BSS_PARAMS, - sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_add_key(struct wfx_dev *wdev, const struct hif_req_add_key *arg) -{ - int ret; - struct hif_msg *hif; - /* FIXME: only send necessary bits */ - struct hif_req_add_key *body = wfx_alloc_hif(sizeof(*body), &hif); - - if (!hif) - return -ENOMEM; - /* FIXME: swap bytes as necessary in body */ - memcpy(body, arg, sizeof(*body)); - if (wfx_api_older_than(wdev, 1, 5)) - /* Legacy firmwares expect that add_key to be sent on right - * interface. - */ - wfx_fill_header(hif, arg->int_id, HIF_REQ_ID_ADD_KEY, - sizeof(*body)); - else - wfx_fill_header(hif, -1, HIF_REQ_ID_ADD_KEY, sizeof(*body)); - ret = wfx_cmd_send(wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_remove_key(struct wfx_dev *wdev, int idx) -{ - int ret; - struct hif_msg *hif; - struct hif_req_remove_key *body = wfx_alloc_hif(sizeof(*body), &hif); - - if (!hif) - return -ENOMEM; - body->entry_index = idx; - wfx_fill_header(hif, -1, HIF_REQ_ID_REMOVE_KEY, sizeof(*body)); - ret = wfx_cmd_send(wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_set_edca_queue_params(struct wfx_vif *wvif, u16 queue, - const struct ieee80211_tx_queue_params *arg) -{ - int ret; - struct hif_msg *hif; - struct hif_req_edca_queue_params *body = wfx_alloc_hif(sizeof(*body), - &hif); - - if (!body) - return -ENOMEM; - - WARN_ON(arg->aifs > 255); - if (!hif) - return -ENOMEM; - body->aifsn = arg->aifs; - body->cw_min = cpu_to_le16(arg->cw_min); - body->cw_max = cpu_to_le16(arg->cw_max); - body->tx_op_limit = cpu_to_le16(arg->txop * USEC_PER_TXOP); - body->queue_id = 3 - queue; - /* API 2.0 has changed queue IDs values */ - if (wfx_api_older_than(wvif->wdev, 2, 0) && queue == IEEE80211_AC_BE) - body->queue_id = HIF_QUEUE_ID_BACKGROUND; - if (wfx_api_older_than(wvif->wdev, 2, 0) && queue == IEEE80211_AC_BK) - body->queue_id = HIF_QUEUE_ID_BESTEFFORT; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_EDCA_QUEUE_PARAMS, - sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_set_pm(struct wfx_vif *wvif, bool ps, int dynamic_ps_timeout) -{ - int ret; - struct hif_msg *hif; - struct hif_req_set_pm_mode *body = wfx_alloc_hif(sizeof(*body), &hif); - - if (!body) - return -ENOMEM; - - if (!hif) - return -ENOMEM; - if (ps) { - body->enter_psm = 1; - /* Firmware does not support more than 128ms */ - body->fast_psm_idle_period = min(dynamic_ps_timeout * 2, 255); - if (body->fast_psm_idle_period) - body->fast_psm = 1; - } - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_SET_PM_MODE, sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf, - const struct ieee80211_channel *channel) -{ - int ret; - struct hif_msg *hif; - struct hif_req_start *body = wfx_alloc_hif(sizeof(*body), &hif); - - WARN_ON(!conf->beacon_int); - if (!hif) - return -ENOMEM; - body->dtim_period = conf->dtim_period; - body->short_preamble = conf->use_short_preamble; - body->channel_number = channel->hw_value; - body->beacon_interval = cpu_to_le32(conf->beacon_int); - body->basic_rate_set = - cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates)); - body->ssid_length = conf->ssid_len; - memcpy(body->ssid, conf->ssid, conf->ssid_len); - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START, sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_beacon_transmit(struct wfx_vif *wvif, bool enable) -{ - int ret; - struct hif_msg *hif; - struct hif_req_beacon_transmit *body = wfx_alloc_hif(sizeof(*body), - &hif); - - if (!hif) - return -ENOMEM; - body->enable_beaconing = enable ? 1 : 0; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_BEACON_TRANSMIT, - sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_map_link(struct wfx_vif *wvif, bool unmap, u8 *mac_addr, int sta_id, bool mfp) -{ - int ret; - struct hif_msg *hif; - struct hif_req_map_link *body = wfx_alloc_hif(sizeof(*body), &hif); - - if (!hif) - return -ENOMEM; - if (mac_addr) - ether_addr_copy(body->mac_addr, mac_addr); - body->mfpc = mfp ? 1 : 0; - body->unmap = unmap ? 1 : 0; - body->peer_sta_id = sta_id; - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_MAP_LINK, sizeof(*body)); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} - -int hif_update_ie_beacon(struct wfx_vif *wvif, const u8 *ies, size_t ies_len) -{ - int ret; - struct hif_msg *hif; - int buf_len = sizeof(struct hif_req_update_ie) + ies_len; - struct hif_req_update_ie *body = wfx_alloc_hif(buf_len, &hif); - - if (!hif) - return -ENOMEM; - body->beacon = 1; - body->num_ies = cpu_to_le16(1); - memcpy(body->ie, ies, ies_len); - wfx_fill_header(hif, wvif->id, HIF_REQ_ID_UPDATE_IE, buf_len); - ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false); - kfree(hif); - return ret; -} diff --git a/drivers/staging/wfx/hif_tx.h b/drivers/staging/wfx/hif_tx.h deleted file mode 100644 index e57eabdcfa77..000000000000 --- a/drivers/staging/wfx/hif_tx.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Implementation of the host-to-chip commands (aka request/confirmation) of the - * hardware API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (C) 2010, ST-Ericsson SA - */ -#ifndef WFX_HIF_TX_H -#define WFX_HIF_TX_H - -struct ieee80211_channel; -struct ieee80211_bss_conf; -struct ieee80211_tx_queue_params; -struct cfg80211_scan_request; -struct hif_req_add_key; -struct wfx_dev; -struct wfx_vif; - -struct wfx_hif_cmd { - struct mutex lock; - struct completion ready; - struct completion done; - struct hif_msg *buf_send; - void *buf_recv; - size_t len_recv; - int ret; -}; - -void wfx_init_hif_cmd(struct wfx_hif_cmd *wfx_hif_cmd); -int wfx_cmd_send(struct wfx_dev *wdev, struct hif_msg *request, - void *reply, size_t reply_len, bool async); - -int hif_shutdown(struct wfx_dev *wdev); -int hif_configuration(struct wfx_dev *wdev, const u8 *conf, size_t len); -int hif_reset(struct wfx_vif *wvif, bool reset_stat); -int hif_read_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, - void *buf, size_t buf_size); -int hif_write_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, - void *buf, size_t buf_size); -int hif_scan(struct wfx_vif *wvif, struct cfg80211_scan_request *req80211, - int chan_start, int chan_num); -int hif_stop_scan(struct wfx_vif *wvif); -int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf, - struct ieee80211_channel *channel, const u8 *ssid, int ssidlen); -int hif_set_pm(struct wfx_vif *wvif, bool ps, int dynamic_ps_timeout); -int hif_set_bss_params(struct wfx_vif *wvif, int aid, int beacon_lost_count); -int hif_add_key(struct wfx_dev *wdev, const struct hif_req_add_key *arg); -int hif_remove_key(struct wfx_dev *wdev, int idx); -int hif_set_edca_queue_params(struct wfx_vif *wvif, u16 queue, - const struct ieee80211_tx_queue_params *arg); -int hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf, - const struct ieee80211_channel *channel); -int hif_beacon_transmit(struct wfx_vif *wvif, bool enable); -int hif_map_link(struct wfx_vif *wvif, - bool unmap, u8 *mac_addr, int sta_id, bool mfp); -int hif_update_ie_beacon(struct wfx_vif *wvif, const u8 *ies, size_t ies_len); - -#endif diff --git a/drivers/staging/wfx/hif_tx_mib.c b/drivers/staging/wfx/hif_tx_mib.c deleted file mode 100644 index 97e961e6bcf6..000000000000 --- a/drivers/staging/wfx/hif_tx_mib.c +++ /dev/null @@ -1,324 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Implementation of the host-to-chip MIBs of the hardware API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (C) 2010, ST-Ericsson SA - */ - -#include <linux/etherdevice.h> - -#include "wfx.h" -#include "hif_tx.h" -#include "hif_tx_mib.h" -#include "hif_api_mib.h" - -int hif_set_output_power(struct wfx_vif *wvif, int val) -{ - struct hif_mib_current_tx_power_level arg = { - .power_level = cpu_to_le32(val * 10), - }; - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_CURRENT_TX_POWER_LEVEL, - &arg, sizeof(arg)); -} - -int hif_set_beacon_wakeup_period(struct wfx_vif *wvif, - unsigned int dtim_interval, - unsigned int listen_interval) -{ - struct hif_mib_beacon_wake_up_period arg = { - .wakeup_period_min = dtim_interval, - .receive_dtim = 0, - .wakeup_period_max = listen_interval, - }; - - if (dtim_interval > 0xFF || listen_interval > 0xFFFF) - return -EINVAL; - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_BEACON_WAKEUP_PERIOD, - &arg, sizeof(arg)); -} - -int hif_set_rcpi_rssi_threshold(struct wfx_vif *wvif, - int rssi_thold, int rssi_hyst) -{ - struct hif_mib_rcpi_rssi_threshold arg = { - .rolling_average_count = 8, - .detection = 1, - }; - - if (!rssi_thold && !rssi_hyst) { - arg.upperthresh = 1; - arg.lowerthresh = 1; - } else { - arg.upper_threshold = rssi_thold + rssi_hyst; - arg.upper_threshold = (arg.upper_threshold + 110) * 2; - arg.lower_threshold = rssi_thold; - arg.lower_threshold = (arg.lower_threshold + 110) * 2; - } - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_RCPI_RSSI_THRESHOLD, &arg, sizeof(arg)); -} - -int hif_get_counters_table(struct wfx_dev *wdev, int vif_id, - struct hif_mib_extended_count_table *arg) -{ - if (wfx_api_older_than(wdev, 1, 3)) { - /* extended_count_table is wider than count_table */ - memset(arg, 0xFF, sizeof(*arg)); - return hif_read_mib(wdev, vif_id, HIF_MIB_ID_COUNTERS_TABLE, - arg, sizeof(struct hif_mib_count_table)); - } else { - return hif_read_mib(wdev, vif_id, - HIF_MIB_ID_EXTENDED_COUNTERS_TABLE, arg, - sizeof(struct hif_mib_extended_count_table)); - } -} - -int hif_set_macaddr(struct wfx_vif *wvif, u8 *mac) -{ - struct hif_mib_mac_address arg = { }; - - if (mac) - ether_addr_copy(arg.mac_addr, mac); - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_DOT11_MAC_ADDRESS, - &arg, sizeof(arg)); -} - -int hif_set_rx_filter(struct wfx_vif *wvif, - bool filter_bssid, bool filter_prbreq) -{ - struct hif_mib_rx_filter arg = { }; - - if (filter_bssid) - arg.bssid_filter = 1; - if (!filter_prbreq) - arg.fwd_probe_req = 1; - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_RX_FILTER, - &arg, sizeof(arg)); -} - -int hif_set_beacon_filter_table(struct wfx_vif *wvif, int tbl_len, - const struct hif_ie_table_entry *tbl) -{ - int ret; - struct hif_mib_bcn_filter_table *arg; - int buf_len = struct_size(arg, ie_table, tbl_len); - - arg = kzalloc(buf_len, GFP_KERNEL); - if (!arg) - return -ENOMEM; - arg->num_of_info_elmts = cpu_to_le32(tbl_len); - memcpy(arg->ie_table, tbl, flex_array_size(arg, ie_table, tbl_len)); - ret = hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_BEACON_FILTER_TABLE, arg, buf_len); - kfree(arg); - return ret; -} - -int hif_beacon_filter_control(struct wfx_vif *wvif, - int enable, int beacon_count) -{ - struct hif_mib_bcn_filter_enable arg = { - .enable = cpu_to_le32(enable), - .bcn_count = cpu_to_le32(beacon_count), - }; - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_BEACON_FILTER_ENABLE, - &arg, sizeof(arg)); -} - -int hif_set_operational_mode(struct wfx_dev *wdev, enum hif_op_power_mode mode) -{ - struct hif_mib_gl_operational_power_mode arg = { - .power_mode = mode, - .wup_ind_activation = 1, - }; - - return hif_write_mib(wdev, -1, HIF_MIB_ID_GL_OPERATIONAL_POWER_MODE, - &arg, sizeof(arg)); -} - -int hif_set_template_frame(struct wfx_vif *wvif, struct sk_buff *skb, - u8 frame_type, int init_rate) -{ - struct hif_mib_template_frame *arg; - - WARN(skb->len > HIF_API_MAX_TEMPLATE_FRAME_SIZE, "frame is too big"); - skb_push(skb, 4); - arg = (struct hif_mib_template_frame *)skb->data; - skb_pull(skb, 4); - arg->init_rate = init_rate; - arg->frame_type = frame_type; - arg->frame_length = cpu_to_le16(skb->len); - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_TEMPLATE_FRAME, - arg, sizeof(*arg) + skb->len); -} - -int hif_set_mfp(struct wfx_vif *wvif, bool capable, bool required) -{ - struct hif_mib_protected_mgmt_policy arg = { }; - - WARN(required && !capable, "incoherent arguments"); - if (capable) { - arg.pmf_enable = 1; - arg.host_enc_auth_frames = 1; - } - if (!required) - arg.unpmf_allowed = 1; - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_PROTECTED_MGMT_POLICY, - &arg, sizeof(arg)); -} - -int hif_set_block_ack_policy(struct wfx_vif *wvif, - u8 tx_tid_policy, u8 rx_tid_policy) -{ - struct hif_mib_block_ack_policy arg = { - .block_ack_tx_tid_policy = tx_tid_policy, - .block_ack_rx_tid_policy = rx_tid_policy, - }; - - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_BLOCK_ACK_POLICY, - &arg, sizeof(arg)); -} - -int hif_set_association_mode(struct wfx_vif *wvif, int ampdu_density, - bool greenfield, bool short_preamble) -{ - struct hif_mib_set_association_mode arg = { - .preambtype_use = 1, - .mode = 1, - .spacing = 1, - .short_preamble = short_preamble, - .greenfield = greenfield, - .mpdu_start_spacing = ampdu_density, - }; - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_SET_ASSOCIATION_MODE, &arg, sizeof(arg)); -} - -int hif_set_tx_rate_retry_policy(struct wfx_vif *wvif, - int policy_index, u8 *rates) -{ - struct hif_mib_set_tx_rate_retry_policy *arg; - size_t size = struct_size(arg, tx_rate_retry_policy, 1); - int ret; - - arg = kzalloc(size, GFP_KERNEL); - if (!arg) - return -ENOMEM; - arg->num_tx_rate_policies = 1; - arg->tx_rate_retry_policy[0].policy_index = policy_index; - arg->tx_rate_retry_policy[0].short_retry_count = 255; - arg->tx_rate_retry_policy[0].long_retry_count = 255; - arg->tx_rate_retry_policy[0].first_rate_sel = 1; - arg->tx_rate_retry_policy[0].terminate = 1; - arg->tx_rate_retry_policy[0].count_init = 1; - memcpy(&arg->tx_rate_retry_policy[0].rates, rates, - sizeof(arg->tx_rate_retry_policy[0].rates)); - ret = hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_SET_TX_RATE_RETRY_POLICY, arg, size); - kfree(arg); - return ret; -} - -int hif_keep_alive_period(struct wfx_vif *wvif, int period) -{ - struct hif_mib_keep_alive_period arg = { - .keep_alive_period = cpu_to_le16(period), - }; - - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_KEEP_ALIVE_PERIOD, - &arg, sizeof(arg)); -}; - -int hif_set_arp_ipv4_filter(struct wfx_vif *wvif, int idx, __be32 *addr) -{ - struct hif_mib_arp_ip_addr_table arg = { - .condition_idx = idx, - .arp_enable = HIF_ARP_NS_FILTERING_DISABLE, - }; - - if (addr) { - /* Caution: type of addr is __be32 */ - memcpy(arg.ipv4_address, addr, sizeof(arg.ipv4_address)); - arg.arp_enable = HIF_ARP_NS_FILTERING_ENABLE; - } - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_ARP_IP_ADDRESSES_TABLE, - &arg, sizeof(arg)); -} - -int hif_use_multi_tx_conf(struct wfx_dev *wdev, bool enable) -{ - struct hif_mib_gl_set_multi_msg arg = { - .enable_multi_tx_conf = enable, - }; - - return hif_write_mib(wdev, -1, HIF_MIB_ID_GL_SET_MULTI_MSG, - &arg, sizeof(arg)); -} - -int hif_set_uapsd_info(struct wfx_vif *wvif, unsigned long val) -{ - struct hif_mib_set_uapsd_information arg = { }; - - if (val & BIT(IEEE80211_AC_VO)) - arg.trig_voice = 1; - if (val & BIT(IEEE80211_AC_VI)) - arg.trig_video = 1; - if (val & BIT(IEEE80211_AC_BE)) - arg.trig_be = 1; - if (val & BIT(IEEE80211_AC_BK)) - arg.trig_bckgrnd = 1; - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_SET_UAPSD_INFORMATION, - &arg, sizeof(arg)); -} - -int hif_erp_use_protection(struct wfx_vif *wvif, bool enable) -{ - struct hif_mib_non_erp_protection arg = { - .use_cts_to_self = enable, - }; - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_NON_ERP_PROTECTION, &arg, sizeof(arg)); -} - -int hif_slot_time(struct wfx_vif *wvif, int val) -{ - struct hif_mib_slot_time arg = { - .slot_time = cpu_to_le32(val), - }; - - return hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_SLOT_TIME, - &arg, sizeof(arg)); -} - -int hif_wep_default_key_id(struct wfx_vif *wvif, int val) -{ - struct hif_mib_wep_default_key_id arg = { - .wep_default_key_id = val, - }; - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID, - &arg, sizeof(arg)); -} - -int hif_rts_threshold(struct wfx_vif *wvif, int val) -{ - struct hif_mib_dot11_rts_threshold arg = { - .threshold = cpu_to_le32(val >= 0 ? val : 0xFFFF), - }; - - return hif_write_mib(wvif->wdev, wvif->id, - HIF_MIB_ID_DOT11_RTS_THRESHOLD, &arg, sizeof(arg)); -} diff --git a/drivers/staging/wfx/hif_tx_mib.h b/drivers/staging/wfx/hif_tx_mib.h deleted file mode 100644 index 2a3b84868ee4..000000000000 --- a/drivers/staging/wfx/hif_tx_mib.h +++ /dev/null @@ -1,49 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Implementation of the host-to-chip MIBs of the hardware API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (C) 2010, ST-Ericsson SA - */ -#ifndef WFX_HIF_TX_MIB_H -#define WFX_HIF_TX_MIB_H - -struct wfx_vif; -struct sk_buff; - -int hif_set_output_power(struct wfx_vif *wvif, int val); -int hif_set_beacon_wakeup_period(struct wfx_vif *wvif, - unsigned int dtim_interval, - unsigned int listen_interval); -int hif_set_rcpi_rssi_threshold(struct wfx_vif *wvif, - int rssi_thold, int rssi_hyst); -int hif_get_counters_table(struct wfx_dev *wdev, int vif_id, - struct hif_mib_extended_count_table *arg); -int hif_set_macaddr(struct wfx_vif *wvif, u8 *mac); -int hif_set_rx_filter(struct wfx_vif *wvif, - bool filter_bssid, bool fwd_probe_req); -int hif_set_beacon_filter_table(struct wfx_vif *wvif, int tbl_len, - const struct hif_ie_table_entry *tbl); -int hif_beacon_filter_control(struct wfx_vif *wvif, - int enable, int beacon_count); -int hif_set_operational_mode(struct wfx_dev *wdev, enum hif_op_power_mode mode); -int hif_set_template_frame(struct wfx_vif *wvif, struct sk_buff *skb, - u8 frame_type, int init_rate); -int hif_set_mfp(struct wfx_vif *wvif, bool capable, bool required); -int hif_set_block_ack_policy(struct wfx_vif *wvif, - u8 tx_tid_policy, u8 rx_tid_policy); -int hif_set_association_mode(struct wfx_vif *wvif, int ampdu_density, - bool greenfield, bool short_preamble); -int hif_set_tx_rate_retry_policy(struct wfx_vif *wvif, - int policy_index, u8 *rates); -int hif_keep_alive_period(struct wfx_vif *wvif, int period); -int hif_set_arp_ipv4_filter(struct wfx_vif *wvif, int idx, __be32 *addr); -int hif_use_multi_tx_conf(struct wfx_dev *wdev, bool enable); -int hif_set_uapsd_info(struct wfx_vif *wvif, unsigned long val); -int hif_erp_use_protection(struct wfx_vif *wvif, bool enable); -int hif_slot_time(struct wfx_vif *wvif, int val); -int hif_wep_default_key_id(struct wfx_vif *wvif, int val); -int hif_rts_threshold(struct wfx_vif *wvif, int val); - -#endif diff --git a/drivers/staging/wfx/hwio.c b/drivers/staging/wfx/hwio.c deleted file mode 100644 index 30eb888830d2..000000000000 --- a/drivers/staging/wfx/hwio.c +++ /dev/null @@ -1,352 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Low-level I/O functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/slab.h> - -#include "hwio.h" -#include "wfx.h" -#include "bus.h" -#include "traces.h" - -/* - * Internal helpers. - * - * About CONFIG_VMAP_STACK: - * When CONFIG_VMAP_STACK is enabled, it is not possible to run DMA on stack - * allocated data. Functions below that work with registers (aka functions - * ending with "32") automatically reallocate buffers with kmalloc. However, - * functions that work with arbitrary length buffers let's caller to handle - * memory location. In doubt, enable CONFIG_DEBUG_SG to detect badly located - * buffer. - */ - -static int read32(struct wfx_dev *wdev, int reg, u32 *val) -{ - int ret; - __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL); - - *val = ~0; /* Never return undefined value */ - if (!tmp) - return -ENOMEM; - ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, reg, tmp, - sizeof(u32)); - if (ret >= 0) - *val = le32_to_cpu(*tmp); - kfree(tmp); - if (ret) - dev_err(wdev->dev, "%s: bus communication error: %d\n", - __func__, ret); - return ret; -} - -static int write32(struct wfx_dev *wdev, int reg, u32 val) -{ - int ret; - __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL); - - if (!tmp) - return -ENOMEM; - *tmp = cpu_to_le32(val); - ret = wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, reg, tmp, - sizeof(u32)); - kfree(tmp); - if (ret) - dev_err(wdev->dev, "%s: bus communication error: %d\n", - __func__, ret); - return ret; -} - -static int read32_locked(struct wfx_dev *wdev, int reg, u32 *val) -{ - int ret; - - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = read32(wdev, reg, val); - _trace_io_read32(reg, *val); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - return ret; -} - -static int write32_locked(struct wfx_dev *wdev, int reg, u32 val) -{ - int ret; - - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = write32(wdev, reg, val); - _trace_io_write32(reg, val); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - return ret; -} - -static int write32_bits_locked(struct wfx_dev *wdev, int reg, u32 mask, u32 val) -{ - int ret; - u32 val_r, val_w; - - WARN_ON(~mask & val); - val &= mask; - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = read32(wdev, reg, &val_r); - _trace_io_read32(reg, val_r); - if (ret < 0) - goto err; - val_w = (val_r & ~mask) | val; - if (val_w != val_r) { - ret = write32(wdev, reg, val_w); - _trace_io_write32(reg, val_w); - } -err: - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - return ret; -} - -static int indirect_read(struct wfx_dev *wdev, int reg, u32 addr, - void *buf, size_t len) -{ - int ret; - int i; - u32 cfg; - u32 prefetch; - - WARN_ON(len >= 0x2000); - WARN_ON(reg != WFX_REG_AHB_DPORT && reg != WFX_REG_SRAM_DPORT); - - if (reg == WFX_REG_AHB_DPORT) - prefetch = CFG_PREFETCH_AHB; - else if (reg == WFX_REG_SRAM_DPORT) - prefetch = CFG_PREFETCH_SRAM; - else - return -ENODEV; - - ret = write32(wdev, WFX_REG_BASE_ADDR, addr); - if (ret < 0) - goto err; - - ret = read32(wdev, WFX_REG_CONFIG, &cfg); - if (ret < 0) - goto err; - - ret = write32(wdev, WFX_REG_CONFIG, cfg | prefetch); - if (ret < 0) - goto err; - - for (i = 0; i < 20; i++) { - ret = read32(wdev, WFX_REG_CONFIG, &cfg); - if (ret < 0) - goto err; - if (!(cfg & prefetch)) - break; - usleep_range(200, 250); - } - if (i == 20) { - ret = -ETIMEDOUT; - goto err; - } - - ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, reg, buf, len); - -err: - if (ret < 0) - memset(buf, 0xFF, len); /* Never return undefined value */ - return ret; -} - -static int indirect_write(struct wfx_dev *wdev, int reg, u32 addr, - const void *buf, size_t len) -{ - int ret; - - WARN_ON(len >= 0x2000); - WARN_ON(reg != WFX_REG_AHB_DPORT && reg != WFX_REG_SRAM_DPORT); - ret = write32(wdev, WFX_REG_BASE_ADDR, addr); - if (ret < 0) - return ret; - - return wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, reg, buf, len); -} - -static int indirect_read_locked(struct wfx_dev *wdev, int reg, u32 addr, - void *buf, size_t len) -{ - int ret; - - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = indirect_read(wdev, reg, addr, buf, len); - _trace_io_ind_read(reg, addr, buf, len); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - return ret; -} - -static int indirect_write_locked(struct wfx_dev *wdev, int reg, u32 addr, - const void *buf, size_t len) -{ - int ret; - - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = indirect_write(wdev, reg, addr, buf, len); - _trace_io_ind_write(reg, addr, buf, len); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - return ret; -} - -static int indirect_read32_locked(struct wfx_dev *wdev, int reg, - u32 addr, u32 *val) -{ - int ret; - __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL); - - if (!tmp) - return -ENOMEM; - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = indirect_read(wdev, reg, addr, tmp, sizeof(u32)); - *val = le32_to_cpu(*tmp); - _trace_io_ind_read32(reg, addr, *val); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - kfree(tmp); - return ret; -} - -static int indirect_write32_locked(struct wfx_dev *wdev, int reg, - u32 addr, u32 val) -{ - int ret; - __le32 *tmp = kmalloc(sizeof(u32), GFP_KERNEL); - - if (!tmp) - return -ENOMEM; - *tmp = cpu_to_le32(val); - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = indirect_write(wdev, reg, addr, tmp, sizeof(u32)); - _trace_io_ind_write32(reg, addr, val); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - kfree(tmp); - return ret; -} - -int wfx_data_read(struct wfx_dev *wdev, void *buf, size_t len) -{ - int ret; - - WARN((long)buf & 3, "%s: unaligned buffer", __func__); - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = wdev->hwbus_ops->copy_from_io(wdev->hwbus_priv, - WFX_REG_IN_OUT_QUEUE, buf, len); - _trace_io_read(WFX_REG_IN_OUT_QUEUE, buf, len); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - if (ret) - dev_err(wdev->dev, "%s: bus communication error: %d\n", - __func__, ret); - return ret; -} - -int wfx_data_write(struct wfx_dev *wdev, const void *buf, size_t len) -{ - int ret; - - WARN((long)buf & 3, "%s: unaligned buffer", __func__); - wdev->hwbus_ops->lock(wdev->hwbus_priv); - ret = wdev->hwbus_ops->copy_to_io(wdev->hwbus_priv, - WFX_REG_IN_OUT_QUEUE, buf, len); - _trace_io_write(WFX_REG_IN_OUT_QUEUE, buf, len); - wdev->hwbus_ops->unlock(wdev->hwbus_priv); - if (ret) - dev_err(wdev->dev, "%s: bus communication error: %d\n", - __func__, ret); - return ret; -} - -int sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len) -{ - return indirect_read_locked(wdev, WFX_REG_SRAM_DPORT, addr, buf, len); -} - -int ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len) -{ - return indirect_read_locked(wdev, WFX_REG_AHB_DPORT, addr, buf, len); -} - -int sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len) -{ - return indirect_write_locked(wdev, WFX_REG_SRAM_DPORT, addr, buf, len); -} - -int ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len) -{ - return indirect_write_locked(wdev, WFX_REG_AHB_DPORT, addr, buf, len); -} - -int sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val) -{ - return indirect_read32_locked(wdev, WFX_REG_SRAM_DPORT, addr, val); -} - -int ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val) -{ - return indirect_read32_locked(wdev, WFX_REG_AHB_DPORT, addr, val); -} - -int sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val) -{ - return indirect_write32_locked(wdev, WFX_REG_SRAM_DPORT, addr, val); -} - -int ahb_reg_write(struct wfx_dev *wdev, u32 addr, u32 val) -{ - return indirect_write32_locked(wdev, WFX_REG_AHB_DPORT, addr, val); -} - -int config_reg_read(struct wfx_dev *wdev, u32 *val) -{ - return read32_locked(wdev, WFX_REG_CONFIG, val); -} - -int config_reg_write(struct wfx_dev *wdev, u32 val) -{ - return write32_locked(wdev, WFX_REG_CONFIG, val); -} - -int config_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val) -{ - return write32_bits_locked(wdev, WFX_REG_CONFIG, mask, val); -} - -int control_reg_read(struct wfx_dev *wdev, u32 *val) -{ - return read32_locked(wdev, WFX_REG_CONTROL, val); -} - -int control_reg_write(struct wfx_dev *wdev, u32 val) -{ - return write32_locked(wdev, WFX_REG_CONTROL, val); -} - -int control_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val) -{ - return write32_bits_locked(wdev, WFX_REG_CONTROL, mask, val); -} - -int igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val) -{ - int ret; - - *val = ~0; /* Never return undefined value */ - ret = write32_locked(wdev, WFX_REG_SET_GEN_R_W, IGPR_RW | index << 24); - if (ret) - return ret; - ret = read32_locked(wdev, WFX_REG_SET_GEN_R_W, val); - if (ret) - return ret; - *val &= IGPR_VALUE; - return ret; -} - -int igpr_reg_write(struct wfx_dev *wdev, int index, u32 val) -{ - return write32_locked(wdev, WFX_REG_SET_GEN_R_W, index << 24 | val); -} diff --git a/drivers/staging/wfx/hwio.h b/drivers/staging/wfx/hwio.h deleted file mode 100644 index ff09575dd1af..000000000000 --- a/drivers/staging/wfx/hwio.h +++ /dev/null @@ -1,75 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Low-level I/O functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_HWIO_H -#define WFX_HWIO_H - -#include <linux/types.h> - -struct wfx_dev; - -int wfx_data_read(struct wfx_dev *wdev, void *buf, size_t buf_len); -int wfx_data_write(struct wfx_dev *wdev, const void *buf, size_t buf_len); - -int sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); -int sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); - -int ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); -int ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); - -int sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); -int sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val); - -int ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); -int ahb_reg_write(struct wfx_dev *wdev, u32 addr, u32 val); - -#define CFG_ERR_SPI_FRAME 0x00000001 /* only with SPI */ -#define CFG_ERR_SDIO_BUF_MISMATCH 0x00000001 /* only with SDIO */ -#define CFG_ERR_BUF_UNDERRUN 0x00000002 -#define CFG_ERR_DATA_IN_TOO_LARGE 0x00000004 -#define CFG_ERR_HOST_NO_OUT_QUEUE 0x00000008 -#define CFG_ERR_BUF_OVERRUN 0x00000010 -#define CFG_ERR_DATA_OUT_TOO_LARGE 0x00000020 -#define CFG_ERR_HOST_NO_IN_QUEUE 0x00000040 -#define CFG_ERR_HOST_CRC_MISS 0x00000080 /* only with SDIO */ -#define CFG_SPI_IGNORE_CS 0x00000080 /* only with SPI */ -#define CFG_BYTE_ORDER_MASK 0x00000300 /* only writable with SPI */ -#define CFG_BYTE_ORDER_BADC 0x00000000 -#define CFG_BYTE_ORDER_DCBA 0x00000100 -#define CFG_BYTE_ORDER_ABCD 0x00000200 /* SDIO always use this value */ -#define CFG_DIRECT_ACCESS_MODE 0x00000400 -#define CFG_PREFETCH_AHB 0x00000800 -#define CFG_DISABLE_CPU_CLK 0x00001000 -#define CFG_PREFETCH_SRAM 0x00002000 -#define CFG_CPU_RESET 0x00004000 -#define CFG_SDIO_DISABLE_IRQ 0x00008000 /* only with SDIO */ -#define CFG_IRQ_ENABLE_DATA 0x00010000 -#define CFG_IRQ_ENABLE_WRDY 0x00020000 -#define CFG_CLK_RISE_EDGE 0x00040000 -#define CFG_SDIO_DISABLE_CRC_CHK 0x00080000 /* only with SDIO */ -#define CFG_RESERVED 0x00F00000 -#define CFG_DEVICE_ID_MAJOR 0x07000000 -#define CFG_DEVICE_ID_RESERVED 0x78000000 -#define CFG_DEVICE_ID_TYPE 0x80000000 -int config_reg_read(struct wfx_dev *wdev, u32 *val); -int config_reg_write(struct wfx_dev *wdev, u32 val); -int config_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val); - -#define CTRL_NEXT_LEN_MASK 0x00000FFF -#define CTRL_WLAN_WAKEUP 0x00001000 -#define CTRL_WLAN_READY 0x00002000 -int control_reg_read(struct wfx_dev *wdev, u32 *val); -int control_reg_write(struct wfx_dev *wdev, u32 val); -int control_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val); - -#define IGPR_RW 0x80000000 -#define IGPR_INDEX 0x7F000000 -#define IGPR_VALUE 0x00FFFFFF -int igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val); -int igpr_reg_write(struct wfx_dev *wdev, int index, u32 val); - -#endif diff --git a/drivers/staging/wfx/key.c b/drivers/staging/wfx/key.c deleted file mode 100644 index 65134a174683..000000000000 --- a/drivers/staging/wfx/key.c +++ /dev/null @@ -1,241 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Key management related functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/etherdevice.h> -#include <net/mac80211.h> - -#include "key.h" -#include "wfx.h" -#include "hif_tx_mib.h" - -static int wfx_alloc_key(struct wfx_dev *wdev) -{ - int idx; - - idx = ffs(~wdev->key_map) - 1; - if (idx < 0 || idx >= MAX_KEY_ENTRIES) - return -1; - - wdev->key_map |= BIT(idx); - return idx; -} - -static void wfx_free_key(struct wfx_dev *wdev, int idx) -{ - WARN(!(wdev->key_map & BIT(idx)), "inconsistent key allocation"); - wdev->key_map &= ~BIT(idx); -} - -static u8 fill_wep_pair(struct hif_wep_pairwise_key *msg, - struct ieee80211_key_conf *key, u8 *peer_addr) -{ - WARN(key->keylen > sizeof(msg->key_data), "inconsistent data"); - msg->key_length = key->keylen; - memcpy(msg->key_data, key->key, key->keylen); - ether_addr_copy(msg->peer_address, peer_addr); - return HIF_KEY_TYPE_WEP_PAIRWISE; -} - -static u8 fill_wep_group(struct hif_wep_group_key *msg, - struct ieee80211_key_conf *key) -{ - WARN(key->keylen > sizeof(msg->key_data), "inconsistent data"); - msg->key_id = key->keyidx; - msg->key_length = key->keylen; - memcpy(msg->key_data, key->key, key->keylen); - return HIF_KEY_TYPE_WEP_DEFAULT; -} - -static u8 fill_tkip_pair(struct hif_tkip_pairwise_key *msg, - struct ieee80211_key_conf *key, u8 *peer_addr) -{ - u8 *keybuf = key->key; - - WARN(key->keylen != sizeof(msg->tkip_key_data) - + sizeof(msg->tx_mic_key) - + sizeof(msg->rx_mic_key), "inconsistent data"); - memcpy(msg->tkip_key_data, keybuf, sizeof(msg->tkip_key_data)); - keybuf += sizeof(msg->tkip_key_data); - memcpy(msg->tx_mic_key, keybuf, sizeof(msg->tx_mic_key)); - keybuf += sizeof(msg->tx_mic_key); - memcpy(msg->rx_mic_key, keybuf, sizeof(msg->rx_mic_key)); - ether_addr_copy(msg->peer_address, peer_addr); - return HIF_KEY_TYPE_TKIP_PAIRWISE; -} - -static u8 fill_tkip_group(struct hif_tkip_group_key *msg, - struct ieee80211_key_conf *key, - struct ieee80211_key_seq *seq, - enum nl80211_iftype iftype) -{ - u8 *keybuf = key->key; - - WARN(key->keylen != sizeof(msg->tkip_key_data) - + 2 * sizeof(msg->rx_mic_key), "inconsistent data"); - msg->key_id = key->keyidx; - memcpy(msg->rx_sequence_counter, - &seq->tkip.iv16, sizeof(seq->tkip.iv16)); - memcpy(msg->rx_sequence_counter + sizeof(u16), - &seq->tkip.iv32, sizeof(seq->tkip.iv32)); - memcpy(msg->tkip_key_data, keybuf, sizeof(msg->tkip_key_data)); - keybuf += sizeof(msg->tkip_key_data); - if (iftype == NL80211_IFTYPE_AP) - /* Use Tx MIC Key */ - memcpy(msg->rx_mic_key, keybuf + 0, sizeof(msg->rx_mic_key)); - else - /* Use Rx MIC Key */ - memcpy(msg->rx_mic_key, keybuf + 8, sizeof(msg->rx_mic_key)); - return HIF_KEY_TYPE_TKIP_GROUP; -} - -static u8 fill_ccmp_pair(struct hif_aes_pairwise_key *msg, - struct ieee80211_key_conf *key, u8 *peer_addr) -{ - WARN(key->keylen != sizeof(msg->aes_key_data), "inconsistent data"); - ether_addr_copy(msg->peer_address, peer_addr); - memcpy(msg->aes_key_data, key->key, key->keylen); - return HIF_KEY_TYPE_AES_PAIRWISE; -} - -static u8 fill_ccmp_group(struct hif_aes_group_key *msg, - struct ieee80211_key_conf *key, - struct ieee80211_key_seq *seq) -{ - WARN(key->keylen != sizeof(msg->aes_key_data), "inconsistent data"); - memcpy(msg->aes_key_data, key->key, key->keylen); - memcpy(msg->rx_sequence_counter, seq->ccmp.pn, sizeof(seq->ccmp.pn)); - memreverse(msg->rx_sequence_counter, sizeof(seq->ccmp.pn)); - msg->key_id = key->keyidx; - return HIF_KEY_TYPE_AES_GROUP; -} - -static u8 fill_sms4_pair(struct hif_wapi_pairwise_key *msg, - struct ieee80211_key_conf *key, u8 *peer_addr) -{ - u8 *keybuf = key->key; - - WARN(key->keylen != sizeof(msg->wapi_key_data) - + sizeof(msg->mic_key_data), "inconsistent data"); - ether_addr_copy(msg->peer_address, peer_addr); - memcpy(msg->wapi_key_data, keybuf, sizeof(msg->wapi_key_data)); - keybuf += sizeof(msg->wapi_key_data); - memcpy(msg->mic_key_data, keybuf, sizeof(msg->mic_key_data)); - msg->key_id = key->keyidx; - return HIF_KEY_TYPE_WAPI_PAIRWISE; -} - -static u8 fill_sms4_group(struct hif_wapi_group_key *msg, - struct ieee80211_key_conf *key) -{ - u8 *keybuf = key->key; - - WARN(key->keylen != sizeof(msg->wapi_key_data) - + sizeof(msg->mic_key_data), "inconsistent data"); - memcpy(msg->wapi_key_data, keybuf, sizeof(msg->wapi_key_data)); - keybuf += sizeof(msg->wapi_key_data); - memcpy(msg->mic_key_data, keybuf, sizeof(msg->mic_key_data)); - msg->key_id = key->keyidx; - return HIF_KEY_TYPE_WAPI_GROUP; -} - -static u8 fill_aes_cmac_group(struct hif_igtk_group_key *msg, - struct ieee80211_key_conf *key, - struct ieee80211_key_seq *seq) -{ - WARN(key->keylen != sizeof(msg->igtk_key_data), "inconsistent data"); - memcpy(msg->igtk_key_data, key->key, key->keylen); - memcpy(msg->ipn, seq->aes_cmac.pn, sizeof(seq->aes_cmac.pn)); - memreverse(msg->ipn, sizeof(seq->aes_cmac.pn)); - msg->key_id = key->keyidx; - return HIF_KEY_TYPE_IGTK_GROUP; -} - -static int wfx_add_key(struct wfx_vif *wvif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) -{ - int ret; - struct hif_req_add_key k = { }; - struct ieee80211_key_seq seq; - struct wfx_dev *wdev = wvif->wdev; - int idx = wfx_alloc_key(wvif->wdev); - bool pairwise = key->flags & IEEE80211_KEY_FLAG_PAIRWISE; - - WARN(key->flags & IEEE80211_KEY_FLAG_PAIRWISE && !sta, "inconsistent data"); - ieee80211_get_key_rx_seq(key, 0, &seq); - if (idx < 0) - return -EINVAL; - k.int_id = wvif->id; - k.entry_index = idx; - if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || - key->cipher == WLAN_CIPHER_SUITE_WEP104) { - if (pairwise) - k.type = fill_wep_pair(&k.key.wep_pairwise_key, key, - sta->addr); - else - k.type = fill_wep_group(&k.key.wep_group_key, key); - } else if (key->cipher == WLAN_CIPHER_SUITE_TKIP) { - if (pairwise) - k.type = fill_tkip_pair(&k.key.tkip_pairwise_key, key, - sta->addr); - else - k.type = fill_tkip_group(&k.key.tkip_group_key, key, - &seq, wvif->vif->type); - } else if (key->cipher == WLAN_CIPHER_SUITE_CCMP) { - if (pairwise) - k.type = fill_ccmp_pair(&k.key.aes_pairwise_key, key, - sta->addr); - else - k.type = fill_ccmp_group(&k.key.aes_group_key, key, - &seq); - } else if (key->cipher == WLAN_CIPHER_SUITE_SMS4) { - if (pairwise) - k.type = fill_sms4_pair(&k.key.wapi_pairwise_key, key, - sta->addr); - else - k.type = fill_sms4_group(&k.key.wapi_group_key, key); - } else if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { - k.type = fill_aes_cmac_group(&k.key.igtk_group_key, key, &seq); - key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; - } else { - dev_warn(wdev->dev, "unsupported key type %d\n", key->cipher); - wfx_free_key(wdev, idx); - return -EOPNOTSUPP; - } - ret = hif_add_key(wdev, &k); - if (ret) { - wfx_free_key(wdev, idx); - return -EOPNOTSUPP; - } - key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE | - IEEE80211_KEY_FLAG_RESERVE_TAILROOM; - key->hw_key_idx = idx; - return 0; -} - -static int wfx_remove_key(struct wfx_vif *wvif, struct ieee80211_key_conf *key) -{ - WARN(key->hw_key_idx >= MAX_KEY_ENTRIES, "corrupted hw_key_idx"); - wfx_free_key(wvif->wdev, key->hw_key_idx); - return hif_remove_key(wvif->wdev, key->hw_key_idx); -} - -int wfx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) -{ - int ret = -EOPNOTSUPP; - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - mutex_lock(&wvif->wdev->conf_mutex); - if (cmd == SET_KEY) - ret = wfx_add_key(wvif, sta, key); - if (cmd == DISABLE_KEY) - ret = wfx_remove_key(wvif, key); - mutex_unlock(&wvif->wdev->conf_mutex); - return ret; -} - diff --git a/drivers/staging/wfx/key.h b/drivers/staging/wfx/key.h deleted file mode 100644 index 2d135eff7af2..000000000000 --- a/drivers/staging/wfx/key.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Key management related functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_KEY_H -#define WFX_KEY_H - -#include <net/mac80211.h> - -struct wfx_dev; -struct wfx_vif; - -int wfx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key); - -#endif diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c deleted file mode 100644 index 858d778cc589..000000000000 --- a/drivers/staging/wfx/main.c +++ /dev/null @@ -1,506 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Device probe and register. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (c) 2008, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> - * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). - * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@xxxxxx> - * Copyright (c) 2006, Michael Wu <flamingice@xxxxxxxxxxxx> - * Copyright (c) 2004-2006 Jean-Baptiste Note <jbnote@xxxxxxxxx>, et al. - */ -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_net.h> -#include <linux/gpio/consumer.h> -#include <linux/mmc/sdio_func.h> -#include <linux/spi/spi.h> -#include <linux/etherdevice.h> -#include <linux/firmware.h> - -#include "main.h" -#include "wfx.h" -#include "fwio.h" -#include "hwio.h" -#include "bus.h" -#include "bh.h" -#include "sta.h" -#include "key.h" -#include "scan.h" -#include "debug.h" -#include "data_tx.h" -#include "hif_tx_mib.h" -#include "hif_api_cmd.h" - -#define WFX_PDS_MAX_SIZE 1500 - -MODULE_DESCRIPTION("Silicon Labs 802.11 Wireless LAN driver for WF200"); -MODULE_AUTHOR("Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>"); -MODULE_LICENSE("GPL"); - -#define RATETAB_ENT(_rate, _rateid, _flags) { \ - .bitrate = (_rate), \ - .hw_value = (_rateid), \ - .flags = (_flags), \ -} - -static struct ieee80211_rate wfx_rates[] = { - RATETAB_ENT(10, 0, 0), - RATETAB_ENT(20, 1, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(55, 2, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(110, 3, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(60, 6, 0), - RATETAB_ENT(90, 7, 0), - RATETAB_ENT(120, 8, 0), - RATETAB_ENT(180, 9, 0), - RATETAB_ENT(240, 10, 0), - RATETAB_ENT(360, 11, 0), - RATETAB_ENT(480, 12, 0), - RATETAB_ENT(540, 13, 0), -}; - -#define CHAN2G(_channel, _freq, _flags) { \ - .band = NL80211_BAND_2GHZ, \ - .center_freq = (_freq), \ - .hw_value = (_channel), \ - .flags = (_flags), \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -static struct ieee80211_channel wfx_2ghz_chantable[] = { - CHAN2G(1, 2412, 0), - CHAN2G(2, 2417, 0), - CHAN2G(3, 2422, 0), - CHAN2G(4, 2427, 0), - CHAN2G(5, 2432, 0), - CHAN2G(6, 2437, 0), - CHAN2G(7, 2442, 0), - CHAN2G(8, 2447, 0), - CHAN2G(9, 2452, 0), - CHAN2G(10, 2457, 0), - CHAN2G(11, 2462, 0), - CHAN2G(12, 2467, 0), - CHAN2G(13, 2472, 0), - CHAN2G(14, 2484, 0), -}; - -static const struct ieee80211_supported_band wfx_band_2ghz = { - .channels = wfx_2ghz_chantable, - .n_channels = ARRAY_SIZE(wfx_2ghz_chantable), - .bitrates = wfx_rates, - .n_bitrates = ARRAY_SIZE(wfx_rates), - .ht_cap = { - /* Receive caps */ - .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | - IEEE80211_HT_CAP_MAX_AMSDU | - (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), - .ht_supported = 1, - .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, - .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, - .mcs = { - .rx_mask = { 0xFF }, /* MCS0 to MCS7 */ - .rx_highest = cpu_to_le16(72), - .tx_params = IEEE80211_HT_MCS_TX_DEFINED, - }, - }, -}; - -static const struct ieee80211_iface_limit wdev_iface_limits[] = { - { .max = 1, .types = BIT(NL80211_IFTYPE_STATION) }, - { .max = 1, .types = BIT(NL80211_IFTYPE_AP) }, -}; - -static const struct ieee80211_iface_combination wfx_iface_combinations[] = { - { - .num_different_channels = 2, - .max_interfaces = 2, - .limits = wdev_iface_limits, - .n_limits = ARRAY_SIZE(wdev_iface_limits), - } -}; - -static const struct ieee80211_ops wfx_ops = { - .start = wfx_start, - .stop = wfx_stop, - .add_interface = wfx_add_interface, - .remove_interface = wfx_remove_interface, - .config = wfx_config, - .tx = wfx_tx, - .join_ibss = wfx_join_ibss, - .leave_ibss = wfx_leave_ibss, - .conf_tx = wfx_conf_tx, - .hw_scan = wfx_hw_scan, - .cancel_hw_scan = wfx_cancel_hw_scan, - .start_ap = wfx_start_ap, - .stop_ap = wfx_stop_ap, - .sta_add = wfx_sta_add, - .sta_remove = wfx_sta_remove, - .set_tim = wfx_set_tim, - .set_key = wfx_set_key, - .set_rts_threshold = wfx_set_rts_threshold, - .set_default_unicast_key = wfx_set_default_unicast_key, - .bss_info_changed = wfx_bss_info_changed, - .configure_filter = wfx_configure_filter, - .ampdu_action = wfx_ampdu_action, - .flush = wfx_flush, - .add_chanctx = wfx_add_chanctx, - .remove_chanctx = wfx_remove_chanctx, - .change_chanctx = wfx_change_chanctx, - .assign_vif_chanctx = wfx_assign_vif_chanctx, - .unassign_vif_chanctx = wfx_unassign_vif_chanctx, -}; - -bool wfx_api_older_than(struct wfx_dev *wdev, int major, int minor) -{ - if (wdev->hw_caps.api_version_major < major) - return true; - if (wdev->hw_caps.api_version_major > major) - return false; - if (wdev->hw_caps.api_version_minor < minor) - return true; - return false; -} - -/* The device needs data about the antenna configuration. This information in - * provided by PDS (Platform Data Set, this is the wording used in WF200 - * documentation) files. For hardware integrators, the full process to create - * PDS files is described here: - * https:github.com/SiliconLabs/wfx-firmware/blob/master/PDS/README.md - * - * So this function aims to send PDS to the device. However, the PDS file is - * often bigger than Rx buffers of the chip, so it has to be sent in multiple - * parts. - * - * In add, the PDS data cannot be split anywhere. The PDS files contains tree - * structures. Braces are used to enter/leave a level of the tree (in a JSON - * fashion). PDS files can only been split between root nodes. - */ -int wfx_send_pds(struct wfx_dev *wdev, u8 *buf, size_t len) -{ - int ret; - int start, brace_level, i; - - start = 0; - brace_level = 0; - if (buf[0] != '{') { - dev_err(wdev->dev, "valid PDS start with '{'. Did you forget to compress it?\n"); - return -EINVAL; - } - for (i = 1; i < len - 1; i++) { - if (buf[i] == '{') - brace_level++; - if (buf[i] == '}') - brace_level--; - if (buf[i] == '}' && !brace_level) { - i++; - if (i - start + 1 > WFX_PDS_MAX_SIZE) - return -EFBIG; - buf[start] = '{'; - buf[i] = 0; - dev_dbg(wdev->dev, "send PDS '%s}'\n", buf + start); - buf[i] = '}'; - ret = hif_configuration(wdev, buf + start, - i - start + 1); - if (ret > 0) { - dev_err(wdev->dev, "PDS bytes %d to %d: invalid data (unsupported options?)\n", - start, i); - return -EINVAL; - } - if (ret == -ETIMEDOUT) { - dev_err(wdev->dev, "PDS bytes %d to %d: chip didn't reply (corrupted file?)\n", - start, i); - return ret; - } - if (ret) { - dev_err(wdev->dev, "PDS bytes %d to %d: chip returned an unknown error\n", - start, i); - return -EIO; - } - buf[i] = ','; - start = i; - } - } - return 0; -} - -static int wfx_send_pdata_pds(struct wfx_dev *wdev) -{ - int ret = 0; - const struct firmware *pds; - u8 *tmp_buf; - - ret = request_firmware(&pds, wdev->pdata.file_pds, wdev->dev); - if (ret) { - dev_err(wdev->dev, "can't load antenna parameters (PDS file %s). The device may be unstable.\n", - wdev->pdata.file_pds); - goto err1; - } - tmp_buf = kmemdup(pds->data, pds->size, GFP_KERNEL); - if (!tmp_buf) { - ret = -ENOMEM; - goto err2; - } - ret = wfx_send_pds(wdev, tmp_buf, pds->size); - kfree(tmp_buf); -err2: - release_firmware(pds); -err1: - return ret; -} - -static void wfx_free_common(void *data) -{ - struct wfx_dev *wdev = data; - - mutex_destroy(&wdev->tx_power_loop_info_lock); - mutex_destroy(&wdev->rx_stats_lock); - mutex_destroy(&wdev->conf_mutex); - ieee80211_free_hw(wdev->hw); -} - -struct wfx_dev *wfx_init_common(struct device *dev, - const struct wfx_platform_data *pdata, - const struct hwbus_ops *hwbus_ops, - void *hwbus_priv) -{ - struct ieee80211_hw *hw; - struct wfx_dev *wdev; - - hw = ieee80211_alloc_hw(sizeof(struct wfx_dev), &wfx_ops); - if (!hw) - return NULL; - - SET_IEEE80211_DEV(hw, dev); - - ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); - ieee80211_hw_set(hw, AMPDU_AGGREGATION); - ieee80211_hw_set(hw, CONNECTION_MONITOR); - ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); - ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); - ieee80211_hw_set(hw, SIGNAL_DBM); - ieee80211_hw_set(hw, SUPPORTS_PS); - ieee80211_hw_set(hw, MFP_CAPABLE); - - hw->vif_data_size = sizeof(struct wfx_vif); - hw->sta_data_size = sizeof(struct wfx_sta_priv); - hw->queues = 4; - hw->max_rates = 8; - hw->max_rate_tries = 8; - hw->extra_tx_headroom = sizeof(struct hif_msg) - + sizeof(struct hif_req_tx) - + 4 /* alignment */ + 8 /* TKIP IV */; - hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); - hw->wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | - NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | - NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P | - NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U; - hw->wiphy->features |= NL80211_FEATURE_AP_SCAN; - hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; - hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; - hw->wiphy->max_ap_assoc_sta = HIF_LINK_ID_MAX; - hw->wiphy->max_scan_ssids = 2; - hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; - hw->wiphy->n_iface_combinations = ARRAY_SIZE(wfx_iface_combinations); - hw->wiphy->iface_combinations = wfx_iface_combinations; - hw->wiphy->bands[NL80211_BAND_2GHZ] = devm_kmalloc(dev, sizeof(wfx_band_2ghz), GFP_KERNEL); - /* FIXME: also copy wfx_rates and wfx_2ghz_chantable */ - memcpy(hw->wiphy->bands[NL80211_BAND_2GHZ], &wfx_band_2ghz, - sizeof(wfx_band_2ghz)); - - wdev = hw->priv; - wdev->hw = hw; - wdev->dev = dev; - wdev->hwbus_ops = hwbus_ops; - wdev->hwbus_priv = hwbus_priv; - memcpy(&wdev->pdata, pdata, sizeof(*pdata)); - of_property_read_string(dev->of_node, "config-file", - &wdev->pdata.file_pds); - wdev->pdata.gpio_wakeup = devm_gpiod_get_optional(dev, "wakeup", - GPIOD_OUT_LOW); - if (IS_ERR(wdev->pdata.gpio_wakeup)) - return NULL; - if (wdev->pdata.gpio_wakeup) - gpiod_set_consumer_name(wdev->pdata.gpio_wakeup, "wfx wakeup"); - - mutex_init(&wdev->conf_mutex); - mutex_init(&wdev->rx_stats_lock); - mutex_init(&wdev->tx_power_loop_info_lock); - init_completion(&wdev->firmware_ready); - INIT_DELAYED_WORK(&wdev->cooling_timeout_work, - wfx_cooling_timeout_work); - skb_queue_head_init(&wdev->tx_pending); - init_waitqueue_head(&wdev->tx_dequeue); - wfx_init_hif_cmd(&wdev->hif_cmd); - wdev->force_ps_timeout = -1; - - if (devm_add_action_or_reset(dev, wfx_free_common, wdev)) - return NULL; - - return wdev; -} - -int wfx_probe(struct wfx_dev *wdev) -{ - int i; - int err; - struct gpio_desc *gpio_saved; - - /* During first part of boot, gpio_wakeup cannot yet been used. So - * prevent bh() to touch it. - */ - gpio_saved = wdev->pdata.gpio_wakeup; - wdev->pdata.gpio_wakeup = NULL; - wdev->poll_irq = true; - - wfx_bh_register(wdev); - - err = wfx_init_device(wdev); - if (err) - goto err0; - - wfx_bh_poll_irq(wdev); - err = wait_for_completion_timeout(&wdev->firmware_ready, 1 * HZ); - if (err <= 0) { - if (err == 0) { - dev_err(wdev->dev, "timeout while waiting for startup indication\n"); - err = -ETIMEDOUT; - } else if (err == -ERESTARTSYS) { - dev_info(wdev->dev, "probe interrupted by user\n"); - } - goto err0; - } - - /* FIXME: fill wiphy::hw_version */ - dev_info(wdev->dev, "started firmware %d.%d.%d \"%s\" (API: %d.%d, keyset: %02X, caps: 0x%.8X)\n", - wdev->hw_caps.firmware_major, wdev->hw_caps.firmware_minor, - wdev->hw_caps.firmware_build, wdev->hw_caps.firmware_label, - wdev->hw_caps.api_version_major, wdev->hw_caps.api_version_minor, - wdev->keyset, wdev->hw_caps.link_mode); - snprintf(wdev->hw->wiphy->fw_version, - sizeof(wdev->hw->wiphy->fw_version), - "%d.%d.%d", - wdev->hw_caps.firmware_major, - wdev->hw_caps.firmware_minor, - wdev->hw_caps.firmware_build); - - if (wfx_api_older_than(wdev, 1, 0)) { - dev_err(wdev->dev, - "unsupported firmware API version (expect 1 while firmware returns %d)\n", - wdev->hw_caps.api_version_major); - err = -ENOTSUPP; - goto err0; - } - - if (wdev->hw_caps.link_mode == SEC_LINK_ENFORCED) { - dev_err(wdev->dev, - "chip require secure_link, but can't negotiate it\n"); - goto err0; - } - - if (wdev->hw_caps.region_sel_mode) { - wdev->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[11].flags |= IEEE80211_CHAN_NO_IR; - wdev->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[12].flags |= IEEE80211_CHAN_NO_IR; - wdev->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[13].flags |= IEEE80211_CHAN_DISABLED; - } - - dev_dbg(wdev->dev, "sending configuration file %s\n", - wdev->pdata.file_pds); - err = wfx_send_pdata_pds(wdev); - if (err < 0 && err != -ENOENT) - goto err0; - - wdev->poll_irq = false; - err = wdev->hwbus_ops->irq_subscribe(wdev->hwbus_priv); - if (err) - goto err0; - - err = hif_use_multi_tx_conf(wdev, true); - if (err) - dev_err(wdev->dev, "misconfigured IRQ?\n"); - - wdev->pdata.gpio_wakeup = gpio_saved; - if (wdev->pdata.gpio_wakeup) { - dev_dbg(wdev->dev, - "enable 'quiescent' power mode with wakeup GPIO and PDS file %s\n", - wdev->pdata.file_pds); - gpiod_set_value_cansleep(wdev->pdata.gpio_wakeup, 1); - control_reg_write(wdev, 0); - hif_set_operational_mode(wdev, HIF_OP_POWER_MODE_QUIESCENT); - } else { - hif_set_operational_mode(wdev, HIF_OP_POWER_MODE_DOZE); - } - - for (i = 0; i < ARRAY_SIZE(wdev->addresses); i++) { - eth_zero_addr(wdev->addresses[i].addr); - err = of_get_mac_address(wdev->dev->of_node, - wdev->addresses[i].addr); - if (!err) { - wdev->addresses[i].addr[ETH_ALEN - 1] += i; - } else { - ether_addr_copy(wdev->addresses[i].addr, - wdev->hw_caps.mac_addr[i]); - } - if (!is_valid_ether_addr(wdev->addresses[i].addr)) { - dev_warn(wdev->dev, "using random MAC address\n"); - eth_random_addr(wdev->addresses[i].addr); - } - dev_info(wdev->dev, "MAC address %d: %pM\n", i, - wdev->addresses[i].addr); - } - wdev->hw->wiphy->n_addresses = ARRAY_SIZE(wdev->addresses); - wdev->hw->wiphy->addresses = wdev->addresses; - - if (!wfx_api_older_than(wdev, 3, 8)) - wdev->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; - - err = ieee80211_register_hw(wdev->hw); - if (err) - goto err1; - - err = wfx_debug_init(wdev); - if (err) - goto err2; - - return 0; - -err2: - ieee80211_unregister_hw(wdev->hw); -err1: - wdev->hwbus_ops->irq_unsubscribe(wdev->hwbus_priv); -err0: - wfx_bh_unregister(wdev); - return err; -} - -void wfx_release(struct wfx_dev *wdev) -{ - ieee80211_unregister_hw(wdev->hw); - hif_shutdown(wdev); - wdev->hwbus_ops->irq_unsubscribe(wdev->hwbus_priv); - wfx_bh_unregister(wdev); -} - -static int __init wfx_core_init(void) -{ - int ret = 0; - - if (IS_ENABLED(CONFIG_SPI)) - ret = spi_register_driver(&wfx_spi_driver); - if (IS_ENABLED(CONFIG_MMC) && !ret) - ret = sdio_register_driver(&wfx_sdio_driver); - return ret; -} -module_init(wfx_core_init); - -static void __exit wfx_core_exit(void) -{ - if (IS_ENABLED(CONFIG_MMC)) - sdio_unregister_driver(&wfx_sdio_driver); - if (IS_ENABLED(CONFIG_SPI)) - spi_unregister_driver(&wfx_spi_driver); -} -module_exit(wfx_core_exit); diff --git a/drivers/staging/wfx/main.h b/drivers/staging/wfx/main.h deleted file mode 100644 index 115abd2d4378..000000000000 --- a/drivers/staging/wfx/main.h +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Device probe and register. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (c) 2006, Michael Wu <flamingice@xxxxxxxxxxxx> - * Copyright 2004-2006 Jean-Baptiste Note <jbnote@xxxxxxxxx>, et al. - */ -#ifndef WFX_MAIN_H -#define WFX_MAIN_H - -#include <linux/device.h> -#include <linux/gpio/consumer.h> - -#include "hif_api_general.h" - -struct wfx_dev; -struct hwbus_ops; - -struct wfx_platform_data { - /* Keyset and ".sec" extension will be appended to this string */ - const char *file_fw; - const char *file_pds; - struct gpio_desc *gpio_wakeup; - /* if true HIF D_out is sampled on the rising edge of the clock - * (intended to be used in 50Mhz SDIO) - */ - bool use_rising_clk; -}; - -struct wfx_dev *wfx_init_common(struct device *dev, - const struct wfx_platform_data *pdata, - const struct hwbus_ops *hwbus_ops, - void *hwbus_priv); - -int wfx_probe(struct wfx_dev *wdev); -void wfx_release(struct wfx_dev *wdev); - -bool wfx_api_older_than(struct wfx_dev *wdev, int major, int minor); -int wfx_send_pds(struct wfx_dev *wdev, u8 *buf, size_t len); - -#endif diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c deleted file mode 100644 index 7a3ba3c38925..000000000000 --- a/drivers/staging/wfx/queue.c +++ /dev/null @@ -1,307 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Queue between the tx operation and the bh workqueue. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/sched.h> -#include <net/mac80211.h> - -#include "queue.h" -#include "wfx.h" -#include "sta.h" -#include "data_tx.h" -#include "traces.h" - -void wfx_tx_lock(struct wfx_dev *wdev) -{ - atomic_inc(&wdev->tx_lock); -} - -void wfx_tx_unlock(struct wfx_dev *wdev) -{ - int tx_lock = atomic_dec_return(&wdev->tx_lock); - - WARN(tx_lock < 0, "inconsistent tx_lock value"); - if (!tx_lock) - wfx_bh_request_tx(wdev); -} - -void wfx_tx_flush(struct wfx_dev *wdev) -{ - int ret; - - /* Do not wait for any reply if chip is frozen */ - if (wdev->chip_frozen) - return; - - wfx_tx_lock(wdev); - mutex_lock(&wdev->hif_cmd.lock); - ret = wait_event_timeout(wdev->hif.tx_buffers_empty, - !wdev->hif.tx_buffers_used, - msecs_to_jiffies(3000)); - if (!ret) { - dev_warn(wdev->dev, "cannot flush tx buffers (%d still busy)\n", - wdev->hif.tx_buffers_used); - wfx_pending_dump_old_frames(wdev, 3000); - /* FIXME: drop pending frames here */ - wdev->chip_frozen = true; - } - mutex_unlock(&wdev->hif_cmd.lock); - wfx_tx_unlock(wdev); -} - -void wfx_tx_lock_flush(struct wfx_dev *wdev) -{ - wfx_tx_lock(wdev); - wfx_tx_flush(wdev); -} - -void wfx_tx_queues_init(struct wfx_vif *wvif) -{ - /* The device is in charge to respect the details of the QoS parameters. - * The driver just ensure that it roughtly respect the priorities to - * avoid any shortage. - */ - const int priorities[IEEE80211_NUM_ACS] = { 1, 2, 64, 128 }; - int i; - - for (i = 0; i < IEEE80211_NUM_ACS; ++i) { - skb_queue_head_init(&wvif->tx_queue[i].normal); - skb_queue_head_init(&wvif->tx_queue[i].cab); - wvif->tx_queue[i].priority = priorities[i]; - } -} - -bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue) -{ - return skb_queue_empty_lockless(&queue->normal) && - skb_queue_empty_lockless(&queue->cab); -} - -void wfx_tx_queues_check_empty(struct wfx_vif *wvif) -{ - int i; - - for (i = 0; i < IEEE80211_NUM_ACS; ++i) { - WARN_ON(atomic_read(&wvif->tx_queue[i].pending_frames)); - WARN_ON(!wfx_tx_queue_empty(wvif, &wvif->tx_queue[i])); - } -} - -static void __wfx_tx_queue_drop(struct wfx_vif *wvif, - struct sk_buff_head *skb_queue, - struct sk_buff_head *dropped) -{ - struct sk_buff *skb, *tmp; - - spin_lock_bh(&skb_queue->lock); - skb_queue_walk_safe(skb_queue, skb, tmp) { - __skb_unlink(skb, skb_queue); - skb_queue_head(dropped, skb); - } - spin_unlock_bh(&skb_queue->lock); -} - -void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue, - struct sk_buff_head *dropped) -{ - __wfx_tx_queue_drop(wvif, &queue->cab, dropped); - __wfx_tx_queue_drop(wvif, &queue->normal, dropped); - wake_up(&wvif->wdev->tx_dequeue); -} - -void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb) -{ - struct wfx_queue *queue = &wvif->tx_queue[skb_get_queue_mapping(skb)]; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - - if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) - skb_queue_tail(&queue->cab, skb); - else - skb_queue_tail(&queue->normal, skb); -} - -void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped) -{ - struct wfx_queue *queue; - struct wfx_vif *wvif; - struct hif_msg *hif; - struct sk_buff *skb; - - WARN(!wdev->chip_frozen, "%s should only be used to recover a frozen device", - __func__); - while ((skb = skb_dequeue(&wdev->tx_pending)) != NULL) { - hif = (struct hif_msg *)skb->data; - wvif = wdev_to_wvif(wdev, hif->interface); - if (wvif) { - queue = &wvif->tx_queue[skb_get_queue_mapping(skb)]; - WARN_ON(skb_get_queue_mapping(skb) > 3); - WARN_ON(!atomic_read(&queue->pending_frames)); - atomic_dec(&queue->pending_frames); - } - skb_queue_head(dropped, skb); - } -} - -struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id) -{ - struct wfx_queue *queue; - struct hif_req_tx *req; - struct wfx_vif *wvif; - struct hif_msg *hif; - struct sk_buff *skb; - - spin_lock_bh(&wdev->tx_pending.lock); - skb_queue_walk(&wdev->tx_pending, skb) { - hif = (struct hif_msg *)skb->data; - req = (struct hif_req_tx *)hif->body; - if (req->packet_id != packet_id) - continue; - spin_unlock_bh(&wdev->tx_pending.lock); - wvif = wdev_to_wvif(wdev, hif->interface); - if (wvif) { - queue = &wvif->tx_queue[skb_get_queue_mapping(skb)]; - WARN_ON(skb_get_queue_mapping(skb) > 3); - WARN_ON(!atomic_read(&queue->pending_frames)); - atomic_dec(&queue->pending_frames); - } - skb_unlink(skb, &wdev->tx_pending); - return skb; - } - spin_unlock_bh(&wdev->tx_pending.lock); - WARN(1, "cannot find packet in pending queue"); - return NULL; -} - -void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms) -{ - ktime_t now = ktime_get(); - struct wfx_tx_priv *tx_priv; - struct hif_req_tx *req; - struct sk_buff *skb; - bool first = true; - - spin_lock_bh(&wdev->tx_pending.lock); - skb_queue_walk(&wdev->tx_pending, skb) { - tx_priv = wfx_skb_tx_priv(skb); - req = wfx_skb_txreq(skb); - if (ktime_after(now, ktime_add_ms(tx_priv->xmit_timestamp, - limit_ms))) { - if (first) { - dev_info(wdev->dev, "frames stuck in firmware since %dms or more:\n", - limit_ms); - first = false; - } - dev_info(wdev->dev, " id %08x sent %lldms ago\n", - req->packet_id, - ktime_ms_delta(now, tx_priv->xmit_timestamp)); - } - } - spin_unlock_bh(&wdev->tx_pending.lock); -} - -unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev, - struct sk_buff *skb) -{ - ktime_t now = ktime_get(); - struct wfx_tx_priv *tx_priv = wfx_skb_tx_priv(skb); - - return ktime_us_delta(now, tx_priv->xmit_timestamp); -} - -bool wfx_tx_queues_has_cab(struct wfx_vif *wvif) -{ - int i; - - if (wvif->vif->type != NL80211_IFTYPE_AP) - return false; - for (i = 0; i < IEEE80211_NUM_ACS; ++i) - /* Note: since only AP can have mcast frames in queue and only - * one vif can be AP, all queued frames has same interface id - */ - if (!skb_queue_empty_lockless(&wvif->tx_queue[i].cab)) - return true; - return false; -} - -static int wfx_tx_queue_get_weight(struct wfx_queue *queue) -{ - return atomic_read(&queue->pending_frames) * queue->priority; -} - -static struct sk_buff *wfx_tx_queues_get_skb(struct wfx_dev *wdev) -{ - struct wfx_queue *queues[IEEE80211_NUM_ACS * ARRAY_SIZE(wdev->vif)]; - int i, j, num_queues = 0; - struct wfx_vif *wvif; - struct hif_msg *hif; - struct sk_buff *skb; - - /* sort the queues */ - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - for (i = 0; i < IEEE80211_NUM_ACS; i++) { - WARN_ON(num_queues >= ARRAY_SIZE(queues)); - queues[num_queues] = &wvif->tx_queue[i]; - for (j = num_queues; j > 0; j--) - if (wfx_tx_queue_get_weight(queues[j]) < - wfx_tx_queue_get_weight(queues[j - 1])) - swap(queues[j - 1], queues[j]); - num_queues++; - } - } - - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - if (!wvif->after_dtim_tx_allowed) - continue; - for (i = 0; i < num_queues; i++) { - skb = skb_dequeue(&queues[i]->cab); - if (!skb) - continue; - /* Note: since only AP can have mcast frames in queue - * and only one vif can be AP, all queued frames has - * same interface id - */ - hif = (struct hif_msg *)skb->data; - WARN_ON(hif->interface != wvif->id); - WARN_ON(queues[i] != - &wvif->tx_queue[skb_get_queue_mapping(skb)]); - atomic_inc(&queues[i]->pending_frames); - trace_queues_stats(wdev, queues[i]); - return skb; - } - /* No more multicast to sent */ - wvif->after_dtim_tx_allowed = false; - schedule_work(&wvif->update_tim_work); - } - - for (i = 0; i < num_queues; i++) { - skb = skb_dequeue(&queues[i]->normal); - if (skb) { - atomic_inc(&queues[i]->pending_frames); - trace_queues_stats(wdev, queues[i]); - return skb; - } - } - return NULL; -} - -struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev) -{ - struct wfx_tx_priv *tx_priv; - struct sk_buff *skb; - - if (atomic_read(&wdev->tx_lock)) - return NULL; - skb = wfx_tx_queues_get_skb(wdev); - if (!skb) - return NULL; - skb_queue_tail(&wdev->tx_pending, skb); - wake_up(&wdev->tx_dequeue); - tx_priv = wfx_skb_tx_priv(skb); - tx_priv->xmit_timestamp = ktime_get(); - return (struct hif_msg *)skb->data; -} diff --git a/drivers/staging/wfx/queue.h b/drivers/staging/wfx/queue.h deleted file mode 100644 index edd0d018b198..000000000000 --- a/drivers/staging/wfx/queue.h +++ /dev/null @@ -1,45 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Queue between the tx operation and the bh workqueue. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_QUEUE_H -#define WFX_QUEUE_H - -#include <linux/skbuff.h> -#include <linux/atomic.h> - -struct wfx_dev; -struct wfx_vif; - -struct wfx_queue { - struct sk_buff_head normal; - struct sk_buff_head cab; /* Content After (DTIM) Beacon */ - atomic_t pending_frames; - int priority; -}; - -void wfx_tx_lock(struct wfx_dev *wdev); -void wfx_tx_unlock(struct wfx_dev *wdev); -void wfx_tx_flush(struct wfx_dev *wdev); -void wfx_tx_lock_flush(struct wfx_dev *wdev); - -void wfx_tx_queues_init(struct wfx_vif *wvif); -void wfx_tx_queues_check_empty(struct wfx_vif *wvif); -bool wfx_tx_queues_has_cab(struct wfx_vif *wvif); -void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb); -struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev); - -bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue); -void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue, - struct sk_buff_head *dropped); - -struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id); -void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped); -unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev, - struct sk_buff *skb); -void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms); - -#endif diff --git a/drivers/staging/wfx/scan.c b/drivers/staging/wfx/scan.c deleted file mode 100644 index 668ef2c60837..000000000000 --- a/drivers/staging/wfx/scan.c +++ /dev/null @@ -1,149 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Scan related functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <net/mac80211.h> - -#include "scan.h" -#include "wfx.h" -#include "sta.h" -#include "hif_tx_mib.h" - -static void __ieee80211_scan_completed_compat(struct ieee80211_hw *hw, - bool aborted) -{ - struct cfg80211_scan_info info = { - .aborted = aborted, - }; - - ieee80211_scan_completed(hw, &info); -} - -static int update_probe_tmpl(struct wfx_vif *wvif, - struct cfg80211_scan_request *req) -{ - struct sk_buff *skb; - - skb = ieee80211_probereq_get(wvif->wdev->hw, wvif->vif->addr, - NULL, 0, req->ie_len); - if (!skb) - return -ENOMEM; - - skb_put_data(skb, req->ie, req->ie_len); - hif_set_template_frame(wvif, skb, HIF_TMPLT_PRBREQ, 0); - dev_kfree_skb(skb); - return 0; -} - -static int send_scan_req(struct wfx_vif *wvif, - struct cfg80211_scan_request *req, int start_idx) -{ - int i, ret; - struct ieee80211_channel *ch_start, *ch_cur; - - for (i = start_idx; i < req->n_channels; i++) { - ch_start = req->channels[start_idx]; - ch_cur = req->channels[i]; - WARN(ch_cur->band != NL80211_BAND_2GHZ, "band not supported"); - if (ch_cur->max_power != ch_start->max_power) - break; - if ((ch_cur->flags ^ ch_start->flags) & IEEE80211_CHAN_NO_IR) - break; - } - wfx_tx_lock_flush(wvif->wdev); - wvif->scan_abort = false; - reinit_completion(&wvif->scan_complete); - ret = hif_scan(wvif, req, start_idx, i - start_idx); - if (ret) { - wfx_tx_unlock(wvif->wdev); - return -EIO; - } - ret = wait_for_completion_timeout(&wvif->scan_complete, 1 * HZ); - if (!ret) { - hif_stop_scan(wvif); - ret = wait_for_completion_timeout(&wvif->scan_complete, 1 * HZ); - dev_dbg(wvif->wdev->dev, "scan timeout (%d channels done)\n", - wvif->scan_nb_chan_done); - } - if (!ret) { - dev_err(wvif->wdev->dev, "scan didn't stop\n"); - ret = -ETIMEDOUT; - } else if (wvif->scan_abort) { - dev_notice(wvif->wdev->dev, "scan abort\n"); - ret = -ECONNABORTED; - } else if (wvif->scan_nb_chan_done > i - start_idx) { - ret = -EIO; - } else { - ret = wvif->scan_nb_chan_done; - } - if (req->channels[start_idx]->max_power != wvif->vif->bss_conf.txpower) - hif_set_output_power(wvif, wvif->vif->bss_conf.txpower); - wfx_tx_unlock(wvif->wdev); - return ret; -} - -/* It is not really necessary to run scan request asynchronously. However, - * there is a bug in "iw scan" when ieee80211_scan_completed() is called before - * wfx_hw_scan() return - */ -void wfx_hw_scan_work(struct work_struct *work) -{ - struct wfx_vif *wvif = container_of(work, struct wfx_vif, scan_work); - struct ieee80211_scan_request *hw_req = wvif->scan_req; - int chan_cur, ret, err; - - mutex_lock(&wvif->wdev->conf_mutex); - mutex_lock(&wvif->scan_lock); - if (wvif->join_in_progress) { - dev_info(wvif->wdev->dev, "%s: abort in-progress REQ_JOIN", - __func__); - wfx_reset(wvif); - } - update_probe_tmpl(wvif, &hw_req->req); - chan_cur = 0; - err = 0; - do { - ret = send_scan_req(wvif, &hw_req->req, chan_cur); - if (ret > 0) { - chan_cur += ret; - err = 0; - } - if (!ret) - err++; - if (err > 2) { - dev_err(wvif->wdev->dev, "scan has not been able to start\n"); - ret = -ETIMEDOUT; - } - } while (ret >= 0 && chan_cur < hw_req->req.n_channels); - mutex_unlock(&wvif->scan_lock); - mutex_unlock(&wvif->wdev->conf_mutex); - __ieee80211_scan_completed_compat(wvif->wdev->hw, ret < 0); -} - -int wfx_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_scan_request *hw_req) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - WARN_ON(hw_req->req.n_channels > HIF_API_MAX_NB_CHANNELS); - wvif->scan_req = hw_req; - schedule_work(&wvif->scan_work); - return 0; -} - -void wfx_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - wvif->scan_abort = true; - hif_stop_scan(wvif); -} - -void wfx_scan_complete(struct wfx_vif *wvif, int nb_chan_done) -{ - wvif->scan_nb_chan_done = nb_chan_done; - complete(&wvif->scan_complete); -} diff --git a/drivers/staging/wfx/scan.h b/drivers/staging/wfx/scan.h deleted file mode 100644 index 78e3b984f375..000000000000 --- a/drivers/staging/wfx/scan.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Scan related functions. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_SCAN_H -#define WFX_SCAN_H - -#include <net/mac80211.h> - -struct wfx_dev; -struct wfx_vif; - -void wfx_hw_scan_work(struct work_struct *work); -int wfx_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_scan_request *req); -void wfx_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void wfx_scan_complete(struct wfx_vif *wvif, int nb_chan_done); - -#endif diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c deleted file mode 100644 index aceb18a1f54b..000000000000 --- a/drivers/staging/wfx/sta.c +++ /dev/null @@ -1,834 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Implementation of mac80211 API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#include <linux/etherdevice.h> -#include <net/mac80211.h> - -#include "sta.h" -#include "wfx.h" -#include "fwio.h" -#include "bh.h" -#include "key.h" -#include "scan.h" -#include "debug.h" -#include "hif_tx.h" -#include "hif_tx_mib.h" - -#define HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES 2 - -u32 wfx_rate_mask_to_hw(struct wfx_dev *wdev, u32 rates) -{ - int i; - u32 ret = 0; - /* The device only supports 2GHz */ - struct ieee80211_supported_band *sband = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ]; - - for (i = 0; i < sband->n_bitrates; i++) { - if (rates & BIT(i)) { - if (i >= sband->n_bitrates) - dev_warn(wdev->dev, "unsupported basic rate\n"); - else - ret |= BIT(sband->bitrates[i].hw_value); - } - } - return ret; -} - -void wfx_cooling_timeout_work(struct work_struct *work) -{ - struct wfx_dev *wdev = container_of(to_delayed_work(work), - struct wfx_dev, - cooling_timeout_work); - - wdev->chip_frozen = true; - wfx_tx_unlock(wdev); -} - -void wfx_suspend_hot_dev(struct wfx_dev *wdev, enum sta_notify_cmd cmd) -{ - if (cmd == STA_NOTIFY_AWAKE) { - /* Device recover normal temperature */ - if (cancel_delayed_work(&wdev->cooling_timeout_work)) - wfx_tx_unlock(wdev); - } else { - /* Device is too hot */ - schedule_delayed_work(&wdev->cooling_timeout_work, 10 * HZ); - wfx_tx_lock(wdev); - } -} - -static void wfx_filter_beacon(struct wfx_vif *wvif, bool filter_beacon) -{ - static const struct hif_ie_table_entry filter_ies[] = { - { - .ie_id = WLAN_EID_VENDOR_SPECIFIC, - .has_changed = 1, - .no_longer = 1, - .has_appeared = 1, - .oui = { 0x50, 0x6F, 0x9A }, - }, { - .ie_id = WLAN_EID_HT_OPERATION, - .has_changed = 1, - .no_longer = 1, - .has_appeared = 1, - }, { - .ie_id = WLAN_EID_ERP_INFO, - .has_changed = 1, - .no_longer = 1, - .has_appeared = 1, - }, { - .ie_id = WLAN_EID_CHANNEL_SWITCH, - .has_changed = 1, - .no_longer = 1, - .has_appeared = 1, - } - }; - - if (!filter_beacon) { - hif_beacon_filter_control(wvif, 0, 1); - } else { - hif_set_beacon_filter_table(wvif, ARRAY_SIZE(filter_ies), filter_ies); - hif_beacon_filter_control(wvif, HIF_BEACON_FILTER_ENABLE, 0); - } -} - -void wfx_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, - unsigned int *total_flags, u64 unused) -{ - struct wfx_vif *wvif = NULL; - struct wfx_dev *wdev = hw->priv; - bool filter_bssid, filter_prbreq, filter_beacon; - - /* Notes: - * - Probe responses (FIF_BCN_PRBRESP_PROMISC) are never filtered - * - PS-Poll (FIF_PSPOLL) are never filtered - * - RTS, CTS and Ack (FIF_CONTROL) are always filtered - * - Broken frames (FIF_FCSFAIL and FIF_PLCPFAIL) are always filtered - * - Firmware does (yet) allow to forward unicast traffic sent to - * other stations (aka. promiscuous mode) - */ - *total_flags &= FIF_BCN_PRBRESP_PROMISC | FIF_ALLMULTI | FIF_OTHER_BSS | - FIF_PROBE_REQ | FIF_PSPOLL; - - mutex_lock(&wdev->conf_mutex); - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - mutex_lock(&wvif->scan_lock); - - /* Note: FIF_BCN_PRBRESP_PROMISC covers probe response and - * beacons from other BSS - */ - if (*total_flags & FIF_BCN_PRBRESP_PROMISC) - filter_beacon = false; - else - filter_beacon = true; - wfx_filter_beacon(wvif, filter_beacon); - - if (*total_flags & FIF_OTHER_BSS) - filter_bssid = false; - else - filter_bssid = true; - - /* In AP mode, chip can reply to probe request itself */ - if (*total_flags & FIF_PROBE_REQ && - wvif->vif->type == NL80211_IFTYPE_AP) { - dev_dbg(wdev->dev, "do not forward probe request in AP mode\n"); - *total_flags &= ~FIF_PROBE_REQ; - } - - if (*total_flags & FIF_PROBE_REQ) - filter_prbreq = false; - else - filter_prbreq = true; - hif_set_rx_filter(wvif, filter_bssid, filter_prbreq); - - mutex_unlock(&wvif->scan_lock); - } - mutex_unlock(&wdev->conf_mutex); -} - -static int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps) -{ - struct ieee80211_channel *chan0 = NULL, *chan1 = NULL; - struct ieee80211_conf *conf = &wvif->wdev->hw->conf; - - WARN(!wvif->vif->bss_conf.assoc && enable_ps, - "enable_ps is reliable only if associated"); - if (wdev_to_wvif(wvif->wdev, 0)) - chan0 = wdev_to_wvif(wvif->wdev, 0)->vif->bss_conf.chandef.chan; - if (wdev_to_wvif(wvif->wdev, 1)) - chan1 = wdev_to_wvif(wvif->wdev, 1)->vif->bss_conf.chandef.chan; - if (chan0 && chan1 && wvif->vif->type != NL80211_IFTYPE_AP) { - if (chan0->hw_value == chan1->hw_value) { - /* It is useless to enable PS if channels are the same. */ - if (enable_ps) - *enable_ps = false; - if (wvif->vif->bss_conf.assoc && wvif->vif->bss_conf.ps) - dev_info(wvif->wdev->dev, "ignoring requested PS mode"); - return -1; - } else { - /* It is necessary to enable PS if channels - * are different. - */ - if (enable_ps) - *enable_ps = true; - if (wvif->wdev->force_ps_timeout > -1) - return wvif->wdev->force_ps_timeout; - else if (wfx_api_older_than(wvif->wdev, 3, 2)) - return 0; - else - return 30; - } - } - if (enable_ps) - *enable_ps = wvif->vif->bss_conf.ps; - if (wvif->wdev->force_ps_timeout > -1) - return wvif->wdev->force_ps_timeout; - else if (wvif->vif->bss_conf.assoc && wvif->vif->bss_conf.ps) - return conf->dynamic_ps_timeout; - else - return -1; -} - -int wfx_update_pm(struct wfx_vif *wvif) -{ - int ps_timeout; - bool ps; - - if (!wvif->vif->bss_conf.assoc) - return 0; - ps_timeout = wfx_get_ps_timeout(wvif, &ps); - if (!ps) - ps_timeout = 0; - WARN_ON(ps_timeout < 0); - if (wvif->uapsd_mask) - ps_timeout = 0; - - if (!wait_for_completion_timeout(&wvif->set_pm_mode_complete, - TU_TO_JIFFIES(512))) - dev_warn(wvif->wdev->dev, - "timeout while waiting of set_pm_mode_complete\n"); - return hif_set_pm(wvif, ps, ps_timeout); -} - -int wfx_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - u16 queue, const struct ieee80211_tx_queue_params *params) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - int old_uapsd = wvif->uapsd_mask; - - WARN_ON(queue >= hw->queues); - - mutex_lock(&wdev->conf_mutex); - assign_bit(queue, &wvif->uapsd_mask, params->uapsd); - hif_set_edca_queue_params(wvif, queue, params); - if (wvif->vif->type == NL80211_IFTYPE_STATION && - old_uapsd != wvif->uapsd_mask) { - hif_set_uapsd_info(wvif, wvif->uapsd_mask); - wfx_update_pm(wvif); - } - mutex_unlock(&wdev->conf_mutex); - return 0; -} - -int wfx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif = NULL; - - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - hif_rts_threshold(wvif, value); - return 0; -} - -void wfx_event_report_rssi(struct wfx_vif *wvif, u8 raw_rcpi_rssi) -{ - /* RSSI: signed Q8.0, RCPI: unsigned Q7.1 - * RSSI = RCPI / 2 - 110 - */ - int rcpi_rssi; - int cqm_evt; - - rcpi_rssi = raw_rcpi_rssi / 2 - 110; - if (rcpi_rssi <= wvif->vif->bss_conf.cqm_rssi_thold) - cqm_evt = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; - else - cqm_evt = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; - ieee80211_cqm_rssi_notify(wvif->vif, cqm_evt, rcpi_rssi, GFP_KERNEL); -} - -static void wfx_beacon_loss_work(struct work_struct *work) -{ - struct wfx_vif *wvif = container_of(to_delayed_work(work), - struct wfx_vif, beacon_loss_work); - struct ieee80211_bss_conf *bss_conf = &wvif->vif->bss_conf; - - ieee80211_beacon_loss(wvif->vif); - schedule_delayed_work(to_delayed_work(work), - msecs_to_jiffies(bss_conf->beacon_int)); -} - -void wfx_set_default_unicast_key(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, int idx) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - hif_wep_default_key_id(wvif, idx); -} - -void wfx_reset(struct wfx_vif *wvif) -{ - struct wfx_dev *wdev = wvif->wdev; - - wfx_tx_lock_flush(wdev); - hif_reset(wvif, false); - wfx_tx_policy_init(wvif); - if (wvif_count(wdev) <= 1) - hif_set_block_ack_policy(wvif, 0xFF, 0xFF); - wfx_tx_unlock(wdev); - wvif->join_in_progress = false; - cancel_delayed_work_sync(&wvif->beacon_loss_work); - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - wfx_update_pm(wvif); -} - -int wfx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - struct wfx_sta_priv *sta_priv = (struct wfx_sta_priv *)&sta->drv_priv; - - sta_priv->vif_id = wvif->id; - - if (vif->type == NL80211_IFTYPE_STATION) - hif_set_mfp(wvif, sta->mfp, sta->mfp); - - /* In station mode, the firmware interprets new link-id as a TDLS peer */ - if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) - return 0; - sta_priv->link_id = ffz(wvif->link_id_map); - wvif->link_id_map |= BIT(sta_priv->link_id); - WARN_ON(!sta_priv->link_id); - WARN_ON(sta_priv->link_id >= HIF_LINK_ID_MAX); - hif_map_link(wvif, false, sta->addr, sta_priv->link_id, sta->mfp); - - return 0; -} - -int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - struct wfx_sta_priv *sta_priv = (struct wfx_sta_priv *)&sta->drv_priv; - - /* See note in wfx_sta_add() */ - if (!sta_priv->link_id) - return 0; - /* FIXME add a mutex? */ - hif_map_link(wvif, true, sta->addr, sta_priv->link_id, false); - wvif->link_id_map &= ~BIT(sta_priv->link_id); - return 0; -} - -static int wfx_upload_ap_templates(struct wfx_vif *wvif) -{ - struct sk_buff *skb; - - skb = ieee80211_beacon_get(wvif->wdev->hw, wvif->vif); - if (!skb) - return -ENOMEM; - hif_set_template_frame(wvif, skb, HIF_TMPLT_BCN, - API_RATE_INDEX_B_1MBPS); - dev_kfree_skb(skb); - - skb = ieee80211_proberesp_get(wvif->wdev->hw, wvif->vif); - if (!skb) - return -ENOMEM; - hif_set_template_frame(wvif, skb, HIF_TMPLT_PRBRES, - API_RATE_INDEX_B_1MBPS); - dev_kfree_skb(skb); - return 0; -} - -static void wfx_set_mfp_ap(struct wfx_vif *wvif) -{ - struct sk_buff *skb = ieee80211_beacon_get(wvif->wdev->hw, wvif->vif); - const int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); - const u16 *ptr = (u16 *)cfg80211_find_ie(WLAN_EID_RSN, - skb->data + ieoffset, - skb->len - ieoffset); - const int pairwise_cipher_suite_count_offset = 8 / sizeof(u16); - const int pairwise_cipher_suite_size = 4 / sizeof(u16); - const int akm_suite_size = 4 / sizeof(u16); - - if (ptr) { - ptr += pairwise_cipher_suite_count_offset; - if (WARN_ON(ptr > (u16 *)skb_tail_pointer(skb))) - return; - ptr += 1 + pairwise_cipher_suite_size * *ptr; - if (WARN_ON(ptr > (u16 *)skb_tail_pointer(skb))) - return; - ptr += 1 + akm_suite_size * *ptr; - if (WARN_ON(ptr > (u16 *)skb_tail_pointer(skb))) - return; - hif_set_mfp(wvif, *ptr & BIT(7), *ptr & BIT(6)); - } -} - -int wfx_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - struct wfx_dev *wdev = wvif->wdev; - int ret; - - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) - wfx_update_pm(wvif); - wvif = (struct wfx_vif *)vif->drv_priv; - wfx_upload_ap_templates(wvif); - ret = hif_start(wvif, &vif->bss_conf, wvif->channel); - if (ret > 0) - return -EIO; - wfx_set_mfp_ap(wvif); - return ret; -} - -void wfx_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - wfx_reset(wvif); -} - -static void wfx_join(struct wfx_vif *wvif) -{ - int ret; - struct ieee80211_bss_conf *conf = &wvif->vif->bss_conf; - struct cfg80211_bss *bss = NULL; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - const u8 *ssidie = NULL; - int ssidlen = 0; - - wfx_tx_lock_flush(wvif->wdev); - - bss = cfg80211_get_bss(wvif->wdev->hw->wiphy, wvif->channel, - conf->bssid, NULL, 0, - IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); - if (!bss && !conf->ibss_joined) { - wfx_tx_unlock(wvif->wdev); - return; - } - - rcu_read_lock(); /* protect ssidie */ - if (bss) - ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); - if (ssidie) { - ssidlen = ssidie[1]; - if (ssidlen > IEEE80211_MAX_SSID_LEN) - ssidlen = IEEE80211_MAX_SSID_LEN; - memcpy(ssid, &ssidie[2], ssidlen); - } - rcu_read_unlock(); - - cfg80211_put_bss(wvif->wdev->hw->wiphy, bss); - - wvif->join_in_progress = true; - ret = hif_join(wvif, conf, wvif->channel, ssid, ssidlen); - if (ret) { - ieee80211_connection_loss(wvif->vif); - wfx_reset(wvif); - } else { - /* Due to beacon filtering it is possible that the - * AP's beacon is not known for the mac80211 stack. - * Disable filtering temporary to make sure the stack - * receives at least one - */ - wfx_filter_beacon(wvif, false); - } - wfx_tx_unlock(wvif->wdev); -} - -static void wfx_join_finalize(struct wfx_vif *wvif, - struct ieee80211_bss_conf *info) -{ - struct ieee80211_sta *sta = NULL; - int ampdu_density = 0; - bool greenfield = false; - - rcu_read_lock(); /* protect sta */ - if (info->bssid && !info->ibss_joined) - sta = ieee80211_find_sta(wvif->vif, info->bssid); - if (sta && sta->ht_cap.ht_supported) - ampdu_density = sta->ht_cap.ampdu_density; - if (sta && sta->ht_cap.ht_supported && - !(info->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)) - greenfield = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD); - rcu_read_unlock(); - - wvif->join_in_progress = false; - hif_set_association_mode(wvif, ampdu_density, greenfield, - info->use_short_preamble); - hif_keep_alive_period(wvif, 0); - /* beacon_loss_count is defined to 7 in net/mac80211/mlme.c. Let's use - * the same value. - */ - hif_set_bss_params(wvif, info->aid, 7); - hif_set_beacon_wakeup_period(wvif, 1, 1); - wfx_update_pm(wvif); -} - -int wfx_join_ibss(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - wfx_upload_ap_templates(wvif); - wfx_join(wvif); - return 0; -} - -void wfx_leave_ibss(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - wfx_reset(wvif); -} - -static void wfx_enable_beacon(struct wfx_vif *wvif, bool enable) -{ - /* Driver has Content After DTIM Beacon in queue. Driver is waiting for - * a signal from the firmware. Since we are going to stop to send - * beacons, this signal will never happens. See also - * wfx_suspend_resume_mc() - */ - if (!enable && wfx_tx_queues_has_cab(wvif)) { - wvif->after_dtim_tx_allowed = true; - wfx_bh_request_tx(wvif->wdev); - } - hif_beacon_transmit(wvif, enable); -} - -void wfx_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_bss_conf *info, u32 changed) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - int i; - - mutex_lock(&wdev->conf_mutex); - - if (changed & BSS_CHANGED_BASIC_RATES || - changed & BSS_CHANGED_BEACON_INT || - changed & BSS_CHANGED_BSSID) { - if (vif->type == NL80211_IFTYPE_STATION) - wfx_join(wvif); - } - - if (changed & BSS_CHANGED_ASSOC) { - if (info->assoc || info->ibss_joined) - wfx_join_finalize(wvif, info); - else if (!info->assoc && vif->type == NL80211_IFTYPE_STATION) - wfx_reset(wvif); - else - dev_warn(wdev->dev, "%s: misunderstood change: ASSOC\n", - __func__); - } - - if (changed & BSS_CHANGED_BEACON_INFO) { - if (vif->type != NL80211_IFTYPE_STATION) - dev_warn(wdev->dev, "%s: misunderstood change: BEACON_INFO\n", - __func__); - hif_set_beacon_wakeup_period(wvif, info->dtim_period, - info->dtim_period); - /* We temporary forwarded beacon for join process. It is now no - * more necessary. - */ - wfx_filter_beacon(wvif, true); - } - - if (changed & BSS_CHANGED_ARP_FILTER) { - for (i = 0; i < HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES; i++) { - __be32 *arp_addr = &info->arp_addr_list[i]; - - if (info->arp_addr_cnt > HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES) - arp_addr = NULL; - if (i >= info->arp_addr_cnt) - arp_addr = NULL; - hif_set_arp_ipv4_filter(wvif, i, arp_addr); - } - } - - if (changed & BSS_CHANGED_AP_PROBE_RESP || - changed & BSS_CHANGED_BEACON) - wfx_upload_ap_templates(wvif); - - if (changed & BSS_CHANGED_BEACON_ENABLED) - wfx_enable_beacon(wvif, info->enable_beacon); - - if (changed & BSS_CHANGED_KEEP_ALIVE) - hif_keep_alive_period(wvif, info->max_idle_period * - USEC_PER_TU / USEC_PER_MSEC); - - if (changed & BSS_CHANGED_ERP_CTS_PROT) - hif_erp_use_protection(wvif, info->use_cts_prot); - - if (changed & BSS_CHANGED_ERP_SLOT) - hif_slot_time(wvif, info->use_short_slot ? 9 : 20); - - if (changed & BSS_CHANGED_CQM) - hif_set_rcpi_rssi_threshold(wvif, info->cqm_rssi_thold, - info->cqm_rssi_hyst); - - if (changed & BSS_CHANGED_TXPOWER) - hif_set_output_power(wvif, info->txpower); - - if (changed & BSS_CHANGED_PS) - wfx_update_pm(wvif); - - mutex_unlock(&wdev->conf_mutex); -} - -static int wfx_update_tim(struct wfx_vif *wvif) -{ - struct sk_buff *skb; - u16 tim_offset, tim_length; - u8 *tim_ptr; - - skb = ieee80211_beacon_get_tim(wvif->wdev->hw, wvif->vif, - &tim_offset, &tim_length); - if (!skb) - return -ENOENT; - tim_ptr = skb->data + tim_offset; - - if (tim_offset && tim_length >= 6) { - /* Firmware handles DTIM counter internally */ - tim_ptr[2] = 0; - - /* Set/reset aid0 bit */ - if (wfx_tx_queues_has_cab(wvif)) - tim_ptr[4] |= 1; - else - tim_ptr[4] &= ~1; - } - - hif_update_ie_beacon(wvif, tim_ptr, tim_length); - dev_kfree_skb(skb); - - return 0; -} - -static void wfx_update_tim_work(struct work_struct *work) -{ - struct wfx_vif *wvif = container_of(work, struct wfx_vif, update_tim_work); - - wfx_update_tim(wvif); -} - -int wfx_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_sta_priv *sta_dev = (struct wfx_sta_priv *)&sta->drv_priv; - struct wfx_vif *wvif = wdev_to_wvif(wdev, sta_dev->vif_id); - - if (!wvif) { - dev_warn(wdev->dev, "%s: received event for non-existent vif\n", __func__); - return -EIO; - } - schedule_work(&wvif->update_tim_work); - return 0; -} - -void wfx_suspend_resume_mc(struct wfx_vif *wvif, enum sta_notify_cmd notify_cmd) -{ - struct wfx_vif *wvif_it; - - if (notify_cmd != STA_NOTIFY_AWAKE) - return; - - /* Device won't be able to honor CAB if a scan is in progress on any - * interface. Prefer to skip this DTIM and wait for the next one. - */ - wvif_it = NULL; - while ((wvif_it = wvif_iterate(wvif->wdev, wvif_it)) != NULL) - if (mutex_is_locked(&wvif_it->scan_lock)) - return; - - if (!wfx_tx_queues_has_cab(wvif) || wvif->after_dtim_tx_allowed) - dev_warn(wvif->wdev->dev, "incorrect sequence (%d CAB in queue)", - wfx_tx_queues_has_cab(wvif)); - wvif->after_dtim_tx_allowed = true; - wfx_bh_request_tx(wvif->wdev); -} - -int wfx_ampdu_action(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_ampdu_params *params) -{ - /* Aggregation is implemented fully in firmware */ - switch (params->action) { - case IEEE80211_AMPDU_RX_START: - case IEEE80211_AMPDU_RX_STOP: - /* Just acknowledge it to enable frame re-ordering */ - return 0; - default: - /* Leave the firmware doing its business for tx aggregation */ - return -EOPNOTSUPP; - } -} - -int wfx_add_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf) -{ - return 0; -} - -void wfx_remove_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf) -{ -} - -void wfx_change_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf, - u32 changed) -{ -} - -int wfx_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *conf) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - struct ieee80211_channel *ch = conf->def.chan; - - WARN(wvif->channel, "channel overwrite"); - wvif->channel = ch; - - return 0; -} - -void wfx_unassign_vif_chanctx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *conf) -{ - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - struct ieee80211_channel *ch = conf->def.chan; - - WARN(wvif->channel != ch, "channel mismatch"); - wvif->channel = NULL; -} - -int wfx_config(struct ieee80211_hw *hw, u32 changed) -{ - return 0; -} - -int wfx_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - int i, ret = 0; - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | - IEEE80211_VIF_SUPPORTS_UAPSD | - IEEE80211_VIF_SUPPORTS_CQM_RSSI; - - mutex_lock(&wdev->conf_mutex); - - switch (vif->type) { - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_AP: - break; - default: - mutex_unlock(&wdev->conf_mutex); - return -EOPNOTSUPP; - } - - /* FIXME: prefer use of container_of() to get vif */ - wvif->vif = vif; - wvif->wdev = wdev; - - wvif->link_id_map = 1; /* link-id 0 is reserved for multicast */ - INIT_WORK(&wvif->update_tim_work, wfx_update_tim_work); - INIT_DELAYED_WORK(&wvif->beacon_loss_work, wfx_beacon_loss_work); - - init_completion(&wvif->set_pm_mode_complete); - complete(&wvif->set_pm_mode_complete); - INIT_WORK(&wvif->tx_policy_upload_work, wfx_tx_policy_upload_work); - - mutex_init(&wvif->scan_lock); - init_completion(&wvif->scan_complete); - INIT_WORK(&wvif->scan_work, wfx_hw_scan_work); - - wfx_tx_queues_init(wvif); - wfx_tx_policy_init(wvif); - - for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) { - if (!wdev->vif[i]) { - wdev->vif[i] = vif; - wvif->id = i; - break; - } - } - WARN(i == ARRAY_SIZE(wdev->vif), "try to instantiate more vif than supported"); - - hif_set_macaddr(wvif, vif->addr); - - mutex_unlock(&wdev->conf_mutex); - - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - /* Combo mode does not support Block Acks. We can re-enable them */ - if (wvif_count(wdev) == 1) - hif_set_block_ack_policy(wvif, 0xFF, 0xFF); - else - hif_set_block_ack_policy(wvif, 0x00, 0x00); - } - return ret; -} - -void wfx_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct wfx_dev *wdev = hw->priv; - struct wfx_vif *wvif = (struct wfx_vif *)vif->drv_priv; - - wait_for_completion_timeout(&wvif->set_pm_mode_complete, msecs_to_jiffies(300)); - wfx_tx_queues_check_empty(wvif); - - mutex_lock(&wdev->conf_mutex); - WARN(wvif->link_id_map != 1, "corrupted state"); - - hif_reset(wvif, false); - hif_set_macaddr(wvif, NULL); - wfx_tx_policy_init(wvif); - - cancel_delayed_work_sync(&wvif->beacon_loss_work); - wdev->vif[wvif->id] = NULL; - wvif->vif = NULL; - - mutex_unlock(&wdev->conf_mutex); - - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - /* Combo mode does not support Block Acks. We can re-enable them */ - if (wvif_count(wdev) == 1) - hif_set_block_ack_policy(wvif, 0xFF, 0xFF); - else - hif_set_block_ack_policy(wvif, 0x00, 0x00); - } -} - -int wfx_start(struct ieee80211_hw *hw) -{ - return 0; -} - -void wfx_stop(struct ieee80211_hw *hw) -{ - struct wfx_dev *wdev = hw->priv; - - WARN_ON(!skb_queue_empty_lockless(&wdev->tx_pending)); -} diff --git a/drivers/staging/wfx/sta.h b/drivers/staging/wfx/sta.h deleted file mode 100644 index 4d7e38be4235..000000000000 --- a/drivers/staging/wfx/sta.h +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Implementation of mac80211 API. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - */ -#ifndef WFX_STA_H -#define WFX_STA_H - -#include <net/mac80211.h> - -struct wfx_dev; -struct wfx_vif; - -struct wfx_sta_priv { - int link_id; - int vif_id; -}; - -/* mac80211 interface */ -int wfx_start(struct ieee80211_hw *hw); -void wfx_stop(struct ieee80211_hw *hw); -int wfx_config(struct ieee80211_hw *hw, u32 changed); -int wfx_set_rts_threshold(struct ieee80211_hw *hw, u32 value); -void wfx_set_default_unicast_key(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, int idx); -void wfx_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, - unsigned int *total_flags, u64 unused); - -int wfx_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void wfx_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -int wfx_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void wfx_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -int wfx_join_ibss(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void wfx_leave_ibss(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -int wfx_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - u16 queue, const struct ieee80211_tx_queue_params *params); -void wfx_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_bss_conf *info, u32 changed); -int wfx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta); -int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta); -void wfx_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - enum sta_notify_cmd cmd, struct ieee80211_sta *sta); -int wfx_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set); -int wfx_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_ampdu_params *params); -int wfx_add_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf); -void wfx_remove_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf); -void wfx_change_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *conf, u32 changed); -int wfx_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *conf); -void wfx_unassign_vif_chanctx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *conf); - -/* Hardware API Callbacks */ -void wfx_cooling_timeout_work(struct work_struct *work); -void wfx_suspend_hot_dev(struct wfx_dev *wdev, enum sta_notify_cmd cmd); -void wfx_suspend_resume_mc(struct wfx_vif *wvif, enum sta_notify_cmd cmd); -void wfx_event_report_rssi(struct wfx_vif *wvif, u8 raw_rcpi_rssi); -int wfx_update_pm(struct wfx_vif *wvif); - -/* Other Helpers */ -void wfx_reset(struct wfx_vif *wvif); -u32 wfx_rate_mask_to_hw(struct wfx_dev *wdev, u32 rates); - -#endif diff --git a/drivers/staging/wfx/traces.h b/drivers/staging/wfx/traces.h deleted file mode 100644 index e90dc73c4b01..000000000000 --- a/drivers/staging/wfx/traces.h +++ /dev/null @@ -1,501 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Tracepoints definitions. - * - * Copyright (c) 2018-2020, Silicon Laboratories, Inc. - */ - -#undef TRACE_SYSTEM -#define TRACE_SYSTEM wfx - -#if !defined(_WFX_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) -#define _WFX_TRACE_H - -#include <linux/tracepoint.h> -#include <net/mac80211.h> - -#include "bus.h" -#include "hif_api_cmd.h" -#include "hif_api_mib.h" - -/* The hell below need some explanations. For each symbolic number, we need to - * define it with TRACE_DEFINE_ENUM() and in a list for __print_symbolic. - * - * 1. Define a new macro that call TRACE_DEFINE_ENUM(): - * - * #define xxx_name(sym) TRACE_DEFINE_ENUM(sym); - * - * 2. Define list of all symbols: - * - * #define list_names \ - * ... \ - * xxx_name(XXX) \ - * ... - * - * 3. Instantiate that list_names: - * - * list_names - * - * 4. Redefine xxx_name() as an entry of array for __print_symbolic() - * - * #undef xxx_name - * #define xxx_name(msg) { msg, #msg }, - * - * 5. list_name can now nearly be used with __print_symbolic() but, - * __print_symbolic() dislike last comma of list. So we define a new list - * with a dummy element: - * - * #define list_for_print_symbolic list_names { -1, NULL } - */ - -#define _hif_msg_list \ - hif_cnf_name(ADD_KEY) \ - hif_cnf_name(BEACON_TRANSMIT) \ - hif_cnf_name(EDCA_QUEUE_PARAMS) \ - hif_cnf_name(JOIN) \ - hif_cnf_name(MAP_LINK) \ - hif_cnf_name(READ_MIB) \ - hif_cnf_name(REMOVE_KEY) \ - hif_cnf_name(RESET) \ - hif_cnf_name(SET_BSS_PARAMS) \ - hif_cnf_name(SET_PM_MODE) \ - hif_cnf_name(START) \ - hif_cnf_name(START_SCAN) \ - hif_cnf_name(STOP_SCAN) \ - hif_cnf_name(TX) \ - hif_cnf_name(MULTI_TRANSMIT) \ - hif_cnf_name(UPDATE_IE) \ - hif_cnf_name(WRITE_MIB) \ - hif_cnf_name(CONFIGURATION) \ - hif_cnf_name(CONTROL_GPIO) \ - hif_cnf_name(PREVENT_ROLLBACK) \ - hif_cnf_name(SET_SL_MAC_KEY) \ - hif_cnf_name(SL_CONFIGURE) \ - hif_cnf_name(SL_EXCHANGE_PUB_KEYS) \ - hif_cnf_name(SHUT_DOWN) \ - hif_ind_name(EVENT) \ - hif_ind_name(JOIN_COMPLETE) \ - hif_ind_name(RX) \ - hif_ind_name(SCAN_CMPL) \ - hif_ind_name(SET_PM_MODE_CMPL) \ - hif_ind_name(SUSPEND_RESUME_TX) \ - hif_ind_name(SL_EXCHANGE_PUB_KEYS) \ - hif_ind_name(ERROR) \ - hif_ind_name(EXCEPTION) \ - hif_ind_name(GENERIC) \ - hif_ind_name(WAKEUP) \ - hif_ind_name(STARTUP) - -#define hif_msg_list_enum _hif_msg_list - -#undef hif_cnf_name -#undef hif_ind_name -#define hif_cnf_name(msg) TRACE_DEFINE_ENUM(HIF_CNF_ID_##msg); -#define hif_ind_name(msg) TRACE_DEFINE_ENUM(HIF_IND_ID_##msg); -hif_msg_list_enum -#undef hif_cnf_name -#undef hif_ind_name -#define hif_cnf_name(msg) { HIF_CNF_ID_##msg, #msg }, -#define hif_ind_name(msg) { HIF_IND_ID_##msg, #msg }, -#define hif_msg_list hif_msg_list_enum { -1, NULL } - -#define _hif_mib_list \ - hif_mib_name(ARP_IP_ADDRESSES_TABLE) \ - hif_mib_name(ARP_KEEP_ALIVE_PERIOD) \ - hif_mib_name(BEACON_FILTER_ENABLE) \ - hif_mib_name(BEACON_FILTER_TABLE) \ - hif_mib_name(BEACON_STATS) \ - hif_mib_name(BEACON_WAKEUP_PERIOD) \ - hif_mib_name(BLOCK_ACK_POLICY) \ - hif_mib_name(CCA_CONFIG) \ - hif_mib_name(CONFIG_DATA_FILTER) \ - hif_mib_name(COUNTERS_TABLE) \ - hif_mib_name(CURRENT_TX_POWER_LEVEL) \ - hif_mib_name(DOT11_MAC_ADDRESS) \ - hif_mib_name(DOT11_MAX_RECEIVE_LIFETIME) \ - hif_mib_name(DOT11_MAX_TRANSMIT_MSDU_LIFETIME) \ - hif_mib_name(DOT11_RTS_THRESHOLD) \ - hif_mib_name(DOT11_WEP_DEFAULT_KEY_ID) \ - hif_mib_name(ETHERTYPE_DATAFRAME_CONDITION) \ - hif_mib_name(EXTENDED_COUNTERS_TABLE) \ - hif_mib_name(GL_BLOCK_ACK_INFO) \ - hif_mib_name(GL_OPERATIONAL_POWER_MODE) \ - hif_mib_name(GL_SET_MULTI_MSG) \ - hif_mib_name(GRP_SEQ_COUNTER) \ - hif_mib_name(INACTIVITY_TIMER) \ - hif_mib_name(INTERFACE_PROTECTION) \ - hif_mib_name(IPV4_ADDR_DATAFRAME_CONDITION) \ - hif_mib_name(IPV6_ADDR_DATAFRAME_CONDITION) \ - hif_mib_name(KEEP_ALIVE_PERIOD) \ - hif_mib_name(MAC_ADDR_DATAFRAME_CONDITION) \ - hif_mib_name(MAGIC_DATAFRAME_CONDITION) \ - hif_mib_name(MAX_TX_POWER_LEVEL) \ - hif_mib_name(NON_ERP_PROTECTION) \ - hif_mib_name(NS_IP_ADDRESSES_TABLE) \ - hif_mib_name(OVERRIDE_INTERNAL_TX_RATE) \ - hif_mib_name(PORT_DATAFRAME_CONDITION) \ - hif_mib_name(PROTECTED_MGMT_POLICY) \ - hif_mib_name(RCPI_RSSI_THRESHOLD) \ - hif_mib_name(RX_FILTER) \ - hif_mib_name(SET_ASSOCIATION_MODE) \ - hif_mib_name(SET_DATA_FILTERING) \ - hif_mib_name(SET_HT_PROTECTION) \ - hif_mib_name(SET_TX_RATE_RETRY_POLICY) \ - hif_mib_name(SET_UAPSD_INFORMATION) \ - hif_mib_name(SLOT_TIME) \ - hif_mib_name(STATISTICS_TABLE) \ - hif_mib_name(TEMPLATE_FRAME) \ - hif_mib_name(TSF_COUNTER) \ - hif_mib_name(UC_MC_BC_DATAFRAME_CONDITION) - -#define hif_mib_list_enum _hif_mib_list - -#undef hif_mib_name -#define hif_mib_name(mib) TRACE_DEFINE_ENUM(HIF_MIB_ID_##mib); -hif_mib_list_enum -#undef hif_mib_name -#define hif_mib_name(mib) { HIF_MIB_ID_##mib, #mib }, -#define hif_mib_list hif_mib_list_enum { -1, NULL } - -DECLARE_EVENT_CLASS(hif_data, - TP_PROTO(const struct hif_msg *hif, int tx_fill_level, bool is_recv), - TP_ARGS(hif, tx_fill_level, is_recv), - TP_STRUCT__entry( - __field(int, tx_fill_level) - __field(int, msg_id) - __field(const char *, msg_type) - __field(int, msg_len) - __field(int, buf_len) - __field(int, if_id) - __field(int, mib) - __array(u8, buf, 128) - ), - TP_fast_assign( - int header_len; - - __entry->tx_fill_level = tx_fill_level; - __entry->msg_len = le16_to_cpu(hif->len); - __entry->msg_id = hif->id; - __entry->if_id = hif->interface; - if (is_recv) - __entry->msg_type = __entry->msg_id & 0x80 ? "IND" : "CNF"; - else - __entry->msg_type = "REQ"; - if (!is_recv && - (__entry->msg_id == HIF_REQ_ID_READ_MIB || - __entry->msg_id == HIF_REQ_ID_WRITE_MIB)) { - __entry->mib = le16_to_cpup((__le16 *)hif->body); - header_len = 4; - } else { - __entry->mib = -1; - header_len = 0; - } - __entry->buf_len = min_t(int, __entry->msg_len, - sizeof(__entry->buf)) - - sizeof(struct hif_msg) - header_len; - memcpy(__entry->buf, hif->body + header_len, __entry->buf_len); - ), - TP_printk("%d:%d:%s_%s%s%s: %s%s (%d bytes)", - __entry->tx_fill_level, - __entry->if_id, - __entry->msg_type, - __print_symbolic(__entry->msg_id, hif_msg_list), - __entry->mib != -1 ? "/" : "", - __entry->mib != -1 ? __print_symbolic(__entry->mib, hif_mib_list) : "", - __print_hex(__entry->buf, __entry->buf_len), - __entry->msg_len > sizeof(__entry->buf) ? " ..." : "", - __entry->msg_len - ) -); -DEFINE_EVENT(hif_data, hif_send, - TP_PROTO(const struct hif_msg *hif, int tx_fill_level, bool is_recv), - TP_ARGS(hif, tx_fill_level, is_recv)); -#define _trace_hif_send(hif, tx_fill_level)\ - trace_hif_send(hif, tx_fill_level, false) -DEFINE_EVENT(hif_data, hif_recv, - TP_PROTO(const struct hif_msg *hif, int tx_fill_level, bool is_recv), - TP_ARGS(hif, tx_fill_level, is_recv)); -#define _trace_hif_recv(hif, tx_fill_level)\ - trace_hif_recv(hif, tx_fill_level, true) - -#define wfx_reg_list_enum \ - wfx_reg_name(WFX_REG_CONFIG, "CONFIG") \ - wfx_reg_name(WFX_REG_CONTROL, "CONTROL") \ - wfx_reg_name(WFX_REG_IN_OUT_QUEUE, "QUEUE") \ - wfx_reg_name(WFX_REG_AHB_DPORT, "AHB") \ - wfx_reg_name(WFX_REG_BASE_ADDR, "BASE_ADDR") \ - wfx_reg_name(WFX_REG_SRAM_DPORT, "SRAM") \ - wfx_reg_name(WFX_REG_SET_GEN_R_W, "SET_GEN_R_W") \ - wfx_reg_name(WFX_REG_FRAME_OUT, "FRAME_OUT") - -#undef wfx_reg_name -#define wfx_reg_name(sym, name) TRACE_DEFINE_ENUM(sym); -wfx_reg_list_enum -#undef wfx_reg_name -#define wfx_reg_name(sym, name) { sym, name }, -#define wfx_reg_list wfx_reg_list_enum { -1, NULL } - -DECLARE_EVENT_CLASS(io_data, - TP_PROTO(int reg, int addr, const void *io_buf, size_t len), - TP_ARGS(reg, addr, io_buf, len), - TP_STRUCT__entry( - __field(int, reg) - __field(int, addr) - __field(int, msg_len) - __field(int, buf_len) - __array(u8, buf, 32) - __array(u8, addr_str, 10) - ), - TP_fast_assign( - __entry->reg = reg; - __entry->addr = addr; - __entry->msg_len = len; - __entry->buf_len = min_t(int, sizeof(__entry->buf), - __entry->msg_len); - memcpy(__entry->buf, io_buf, __entry->buf_len); - if (addr >= 0) - snprintf(__entry->addr_str, 10, "/%08x", addr); - else - __entry->addr_str[0] = 0; - ), - TP_printk("%s%s: %s%s (%d bytes)", - __print_symbolic(__entry->reg, wfx_reg_list), - __entry->addr_str, - __print_hex(__entry->buf, __entry->buf_len), - __entry->msg_len > sizeof(__entry->buf) ? " ..." : "", - __entry->msg_len - ) -); -DEFINE_EVENT(io_data, io_write, - TP_PROTO(int reg, int addr, const void *io_buf, size_t len), - TP_ARGS(reg, addr, io_buf, len)); -#define _trace_io_ind_write(reg, addr, io_buf, len)\ - trace_io_write(reg, addr, io_buf, len) -#define _trace_io_write(reg, io_buf, len) trace_io_write(reg, -1, io_buf, len) -DEFINE_EVENT(io_data, io_read, - TP_PROTO(int reg, int addr, const void *io_buf, size_t len), - TP_ARGS(reg, addr, io_buf, len)); -#define _trace_io_ind_read(reg, addr, io_buf, len)\ - trace_io_read(reg, addr, io_buf, len) -#define _trace_io_read(reg, io_buf, len) trace_io_read(reg, -1, io_buf, len) - -DECLARE_EVENT_CLASS(io_data32, - TP_PROTO(int reg, int addr, u32 val), - TP_ARGS(reg, addr, val), - TP_STRUCT__entry( - __field(int, reg) - __field(int, addr) - __field(int, val) - __array(u8, addr_str, 10) - ), - TP_fast_assign( - __entry->reg = reg; - __entry->addr = addr; - __entry->val = val; - if (addr >= 0) - snprintf(__entry->addr_str, 10, "/%08x", addr); - else - __entry->addr_str[0] = 0; - ), - TP_printk("%s%s: %08x", - __print_symbolic(__entry->reg, wfx_reg_list), - __entry->addr_str, - __entry->val - ) -); -DEFINE_EVENT(io_data32, io_write32, - TP_PROTO(int reg, int addr, u32 val), - TP_ARGS(reg, addr, val)); -#define _trace_io_ind_write32(reg, addr, val) trace_io_write32(reg, addr, val) -#define _trace_io_write32(reg, val) trace_io_write32(reg, -1, val) -DEFINE_EVENT(io_data32, io_read32, - TP_PROTO(int reg, int addr, u32 val), - TP_ARGS(reg, addr, val)); -#define _trace_io_ind_read32(reg, addr, val) trace_io_read32(reg, addr, val) -#define _trace_io_read32(reg, val) trace_io_read32(reg, -1, val) - -DECLARE_EVENT_CLASS(piggyback, - TP_PROTO(u32 val, bool ignored), - TP_ARGS(val, ignored), - TP_STRUCT__entry( - __field(int, val) - __field(bool, ignored) - ), - TP_fast_assign( - __entry->val = val; - __entry->ignored = ignored; - ), - TP_printk("CONTROL: %08x%s", - __entry->val, - __entry->ignored ? " (ignored)" : "" - ) -); -DEFINE_EVENT(piggyback, piggyback, - TP_PROTO(u32 val, bool ignored), - TP_ARGS(val, ignored)); -#define _trace_piggyback(val, ignored) trace_piggyback(val, ignored) - -TRACE_EVENT(bh_stats, - TP_PROTO(int ind, int req, int cnf, int busy, bool release), - TP_ARGS(ind, req, cnf, busy, release), - TP_STRUCT__entry( - __field(int, ind) - __field(int, req) - __field(int, cnf) - __field(int, busy) - __field(bool, release) - ), - TP_fast_assign( - __entry->ind = ind; - __entry->req = req; - __entry->cnf = cnf; - __entry->busy = busy; - __entry->release = release; - ), - TP_printk("IND/REQ/CNF:%3d/%3d/%3d, REQ in progress:%3d, WUP: %s", - __entry->ind, - __entry->req, - __entry->cnf, - __entry->busy, - __entry->release ? "release" : "keep" - ) -); -#define _trace_bh_stats(ind, req, cnf, busy, release)\ - trace_bh_stats(ind, req, cnf, busy, release) - -TRACE_EVENT(tx_stats, - TP_PROTO(const struct hif_cnf_tx *tx_cnf, const struct sk_buff *skb, - int delay), - TP_ARGS(tx_cnf, skb, delay), - TP_STRUCT__entry( - __field(int, pkt_id) - __field(int, delay_media) - __field(int, delay_queue) - __field(int, delay_fw) - __field(int, ack_failures) - __field(int, flags) - __array(int, rate, 4) - __array(int, tx_count, 4) - ), - TP_fast_assign( - /* Keep sync with wfx_rates definition in main.c */ - static const int hw_rate[] = { 0, 1, 2, 3, 6, 7, 8, 9, - 10, 11, 12, 13 }; - const struct ieee80211_tx_info *tx_info = - (const struct ieee80211_tx_info *)skb->cb; - const struct ieee80211_tx_rate *rates = tx_info->driver_rates; - int i; - - __entry->pkt_id = tx_cnf->packet_id; - __entry->delay_media = le32_to_cpu(tx_cnf->media_delay); - __entry->delay_queue = le32_to_cpu(tx_cnf->tx_queue_delay); - __entry->delay_fw = delay; - __entry->ack_failures = tx_cnf->ack_failures; - if (!tx_cnf->status || __entry->ack_failures) - __entry->ack_failures += 1; - - for (i = 0; i < IEEE80211_NUM_ACS; i++) { - if (rates[0].flags & IEEE80211_TX_RC_MCS) - __entry->rate[i] = rates[i].idx; - else - __entry->rate[i] = hw_rate[rates[i].idx]; - __entry->tx_count[i] = rates[i].count; - } - __entry->flags = 0; - if (rates[0].flags & IEEE80211_TX_RC_MCS) - __entry->flags |= 0x01; - if (rates[0].flags & IEEE80211_TX_RC_SHORT_GI) - __entry->flags |= 0x02; - if (rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD) - __entry->flags |= 0x04; - if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) - __entry->flags |= 0x08; - if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) - __entry->flags |= 0x10; - if (tx_cnf->status) - __entry->flags |= 0x20; - if (tx_cnf->status == HIF_STATUS_TX_FAIL_REQUEUE) - __entry->flags |= 0x40; - ), - TP_printk("packet ID: %08x, rate policy: %s %d|%d %d|%d %d|%d %d|%d -> %d attempt, Delays media/queue/total: %4dus/%4dus/%4dus", - __entry->pkt_id, - __print_flags(__entry->flags, NULL, - { 0x01, "M" }, { 0x02, "S" }, { 0x04, "G" }, - { 0x08, "R" }, { 0x10, "D" }, { 0x20, "F" }, - { 0x40, "Q" }), - __entry->rate[0], - __entry->tx_count[0], - __entry->rate[1], - __entry->tx_count[1], - __entry->rate[2], - __entry->tx_count[2], - __entry->rate[3], - __entry->tx_count[3], - __entry->ack_failures, - __entry->delay_media, - __entry->delay_queue, - __entry->delay_fw - ) -); -#define _trace_tx_stats(tx_cnf, skb, delay) trace_tx_stats(tx_cnf, skb, delay) - -TRACE_EVENT(queues_stats, - TP_PROTO(struct wfx_dev *wdev, const struct wfx_queue *elected_queue), - TP_ARGS(wdev, elected_queue), - TP_STRUCT__entry( - __field(int, vif_id) - __field(int, queue_id) - __array(int, hw, IEEE80211_NUM_ACS * 2) - __array(int, drv, IEEE80211_NUM_ACS * 2) - __array(int, cab, IEEE80211_NUM_ACS * 2) - ), - TP_fast_assign( - const struct wfx_queue *queue; - struct wfx_vif *wvif; - int i, j; - - for (j = 0; j < IEEE80211_NUM_ACS * 2; j++) { - __entry->hw[j] = -1; - __entry->drv[j] = -1; - __entry->cab[j] = -1; - } - __entry->vif_id = -1; - __entry->queue_id = -1; - wvif = NULL; - while ((wvif = wvif_iterate(wdev, wvif)) != NULL) { - for (i = 0; i < IEEE80211_NUM_ACS; i++) { - j = wvif->id * IEEE80211_NUM_ACS + i; - WARN_ON(j >= IEEE80211_NUM_ACS * 2); - queue = &wvif->tx_queue[i]; - __entry->hw[j] = atomic_read(&queue->pending_frames); - __entry->drv[j] = skb_queue_len(&queue->normal); - __entry->cab[j] = skb_queue_len(&queue->cab); - if (queue == elected_queue) { - __entry->vif_id = wvif->id; - __entry->queue_id = i; - } - } - } - ), - TP_printk("got skb from %d/%d, pend. hw/norm/cab: [ %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d ] [ %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d ]", - __entry->vif_id, __entry->queue_id, - __entry->hw[0], __entry->drv[0], __entry->cab[0], - __entry->hw[1], __entry->drv[1], __entry->cab[1], - __entry->hw[2], __entry->drv[2], __entry->cab[2], - __entry->hw[3], __entry->drv[3], __entry->cab[3], - __entry->hw[4], __entry->drv[4], __entry->cab[4], - __entry->hw[5], __entry->drv[5], __entry->cab[5], - __entry->hw[6], __entry->drv[6], __entry->cab[6], - __entry->hw[7], __entry->drv[7], __entry->cab[7] - ) -); - -#endif - -/* This part must be outside protection */ -#undef TRACE_INCLUDE_PATH -#define TRACE_INCLUDE_PATH . -#undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_FILE traces - -#include <trace/define_trace.h> diff --git a/drivers/staging/wfx/wfx.h b/drivers/staging/wfx/wfx.h deleted file mode 100644 index f8df59ad1639..000000000000 --- a/drivers/staging/wfx/wfx.h +++ /dev/null @@ -1,164 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Common private data. - * - * Copyright (c) 2017-2020, Silicon Laboratories, Inc. - * Copyright (c) 2010, ST-Ericsson - * Copyright (c) 2006, Michael Wu <flamingice@xxxxxxxxxxxx> - * Copyright 2004-2006 Jean-Baptiste Note <jbnote@xxxxxxxxx>, et al. - */ -#ifndef WFX_H -#define WFX_H - -#include <linux/completion.h> -#include <linux/workqueue.h> -#include <linux/mutex.h> -#include <linux/nospec.h> -#include <net/mac80211.h> - -#include "bh.h" -#include "data_tx.h" -#include "main.h" -#include "queue.h" -#include "hif_tx.h" - -#define USEC_PER_TXOP 32 /* see struct ieee80211_tx_queue_params */ -#define USEC_PER_TU 1024 - -struct hwbus_ops; - -struct wfx_dev { - struct wfx_platform_data pdata; - struct device *dev; - struct ieee80211_hw *hw; - struct ieee80211_vif *vif[2]; - struct mac_address addresses[2]; - const struct hwbus_ops *hwbus_ops; - void *hwbus_priv; - - u8 keyset; - struct completion firmware_ready; - struct hif_ind_startup hw_caps; - struct wfx_hif hif; - struct delayed_work cooling_timeout_work; - bool poll_irq; - bool chip_frozen; - struct mutex conf_mutex; - - struct wfx_hif_cmd hif_cmd; - struct sk_buff_head tx_pending; - wait_queue_head_t tx_dequeue; - atomic_t tx_lock; - - atomic_t packet_id; - u32 key_map; - - struct hif_rx_stats rx_stats; - struct mutex rx_stats_lock; - struct hif_tx_power_loop_info tx_power_loop_info; - struct mutex tx_power_loop_info_lock; - int force_ps_timeout; -}; - -struct wfx_vif { - struct wfx_dev *wdev; - struct ieee80211_vif *vif; - struct ieee80211_channel *channel; - int id; - - u32 link_id_map; - - bool after_dtim_tx_allowed; - bool join_in_progress; - - struct delayed_work beacon_loss_work; - - struct wfx_queue tx_queue[4]; - struct tx_policy_cache tx_policy_cache; - struct work_struct tx_policy_upload_work; - - struct work_struct update_tim_work; - - unsigned long uapsd_mask; - - /* avoid some operations in parallel with scan */ - struct mutex scan_lock; - struct work_struct scan_work; - struct completion scan_complete; - int scan_nb_chan_done; - bool scan_abort; - struct ieee80211_scan_request *scan_req; - - struct completion set_pm_mode_complete; -}; - -static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id) -{ - if (vif_id >= ARRAY_SIZE(wdev->vif)) { - dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id); - return NULL; - } - vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif)); - if (!wdev->vif[vif_id]) - return NULL; - return (struct wfx_vif *)wdev->vif[vif_id]->drv_priv; -} - -static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev, - struct wfx_vif *cur) -{ - int i; - int mark = 0; - struct wfx_vif *tmp; - - if (!cur) - mark = 1; - for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) { - tmp = wdev_to_wvif(wdev, i); - if (mark && tmp) - return tmp; - if (tmp == cur) - mark = 1; - } - return NULL; -} - -static inline int wvif_count(struct wfx_dev *wdev) -{ - int i; - int ret = 0; - struct wfx_vif *wvif; - - for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) { - wvif = wdev_to_wvif(wdev, i); - if (wvif) - ret++; - } - return ret; -} - -static inline void memreverse(u8 *src, u8 length) -{ - u8 *lo = src; - u8 *hi = src + length - 1; - u8 swap; - - while (lo < hi) { - swap = *lo; - *lo++ = *hi; - *hi-- = swap; - } -} - -static inline int memzcmp(void *src, unsigned int size) -{ - u8 *buf = src; - - if (!size) - return 0; - if (*buf) - return 1; - return memcmp(buf, buf + 1, size - 1); -} - -#endif -- 2.33.0
