These are header files with definitions common to the entire driver. Signed-off-by: Michael Nemanov <michael.nemanov@xxxxxx> --- drivers/net/wireless/ti/cc33xx/cc33xx.h | 483 ++++++++++++++++++++++ drivers/net/wireless/ti/cc33xx/cc33xx_i.h | 459 ++++++++++++++++++++ 2 files changed, 942 insertions(+) create mode 100644 drivers/net/wireless/ti/cc33xx/cc33xx.h create mode 100644 drivers/net/wireless/ti/cc33xx/cc33xx_i.h diff --git a/drivers/net/wireless/ti/cc33xx/cc33xx.h b/drivers/net/wireless/ti/cc33xx/cc33xx.h new file mode 100644 index 000000000000..e756dc6a7d41 --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/cc33xx.h @@ -0,0 +1,483 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef __CC33XX_H__ +#define __CC33XX_H__ + +#include "cc33xx_i.h" +#include "rx.h" + +/* The maximum number of Tx descriptors in all chip families */ +#define CC33XX_MAX_TX_DESCRIPTORS 32 + +#define CC33XX_CMD_MAX_SIZE (896) +#define CC33XX_INI_PARAM_COMMAND_SIZE (16UL) +#define CC33XX_INI_CMD_MAX_SIZE (CC33X_CONF_SIZE + CC33XX_INI_PARAM_COMMAND_SIZE + sizeof(int)) + +#define CC33XX_CMD_BUFFER_SIZE ((CC33XX_INI_CMD_MAX_SIZE > CC33XX_CMD_MAX_SIZE)\ + ? CC33XX_INI_CMD_MAX_SIZE : CC33XX_CMD_MAX_SIZE) + +#define CC33XX_NUM_MAC_ADDRESSES 3 + +#define CC33XX_AGGR_BUFFER_SIZE (8 * PAGE_SIZE) + +#define CC33XX_NUM_TX_DESCRIPTORS 32 +#define CC33XX_NUM_RX_DESCRIPTORS 32 + +#define CC33XX_RX_BA_MAX_SESSIONS 13 + +#define CC33XX_MAX_AP_STATIONS 16 + +struct cc33xx_tx_hw_descr; +struct cc33xx_rx_descriptor; +struct partial_rx_frame; +struct core_fw_status; +struct core_status; + +enum wl_rx_buf_align; + +struct cc33xx_stats { + void *fw_stats; + unsigned long fw_stats_update; + unsigned int retry_count; + unsigned int excessive_retries; +}; + +struct cc33xx_ant_diversity { + u8 diversity_enable; + s8 rssi_threshold; + u8 default_antenna; + u8 padding; +}; + +struct cc33xx { + bool initialized; + struct ieee80211_hw *hw; + bool mac80211_registered; + + struct device *dev; + struct platform_device *pdev; + + const struct cc33xx_if_operations *if_ops; + + int wakeirq; + + /* Protects all mac80211 operations and parts of Rx, Tx and IRQ handling. + * All functions postfixed with "_locked" (i.e, cc33xx_irq_locked) + * assume this lock is held by caller. + */ + struct mutex mutex; + + /* Used independently from above mutex to protect short critical sections. + * Though many of these sections may theoretically execute in parallel, a + * single lock will be used for simplicity. + */ + spinlock_t cc_lock; + + enum cc33xx_state state; + bool plt; + enum plt_mode plt_mode; + u8 plt_role_id; + u8 fem_manuf; + u8 last_vif_count; + + struct core_status *core_status; + u8 last_fw_rls_idx; + u8 command_result[CC33XX_CMD_MAX_SIZE]; + u16 result_length; + struct partial_rx_frame partial_rx; + + unsigned long flags; + + void *nvs_mac_addr; + size_t nvs_mac_addr_len; + struct cc33xx_fw_download *fw_download; + + struct mac_address addresses[CC33XX_NUM_MAC_ADDRESSES]; + + unsigned long links_map[BITS_TO_LONGS(CC33XX_MAX_LINKS)]; + unsigned long roles_map[BITS_TO_LONGS(CC33XX_MAX_ROLES)]; + unsigned long roc_map[BITS_TO_LONGS(CC33XX_MAX_ROLES)]; + unsigned long rate_policies_map[BITS_TO_LONGS(CC33XX_MAX_RATE_POLICIES)]; + + u8 session_ids[CC33XX_MAX_LINKS]; + + struct list_head wlvif_list; + + u8 sta_count; + u8 ap_count; + + struct cc33xx_acx_mem_map *target_mem_map; + + /* Accounting for allocated / available TX blocks on HW */ + + u32 tx_blocks_available; + u32 tx_allocated_blocks; + + /* Accounting for allocated / available Tx packets in HW */ + + u32 tx_allocated_pkts[NUM_TX_QUEUES]; + + /* Time-offset between host and chipset clocks */ + + /* Frames scheduled for transmission, not handled yet */ + int tx_queue_count[NUM_TX_QUEUES]; + unsigned long queue_stop_reasons[NUM_TX_QUEUES * CC33XX_NUM_MAC_ADDRESSES]; + + /* Frames received, not handled yet by mac80211 */ + struct sk_buff_head deferred_rx_queue; + + /* Frames sent, not returned yet to mac80211 */ + struct sk_buff_head deferred_tx_queue; + + struct work_struct tx_work; + struct workqueue_struct *freezable_wq; + + /*freezable wq for netstack_work*/ + struct workqueue_struct *freezable_netstack_wq; + + /* Pending TX frames */ + unsigned long tx_frames_map[BITS_TO_LONGS(CC33XX_MAX_TX_DESCRIPTORS)]; + struct sk_buff *tx_frames[CC33XX_MAX_TX_DESCRIPTORS]; + int tx_frames_cnt; + + /* FW Rx counter */ + u32 rx_counter; + + /* Intermediate buffer, used for packet aggregation */ + u8 *aggr_buf; + u32 aggr_buf_size; + size_t max_transaction_len; + + /* Reusable dummy packet template */ + struct sk_buff *dummy_packet; + + /* Network stack work */ + struct work_struct netstack_work; + /* FW log buffer */ + u8 *fwlog; + + /* Number of valid bytes in the FW log buffer */ + ssize_t fwlog_size; + + /* Hardware recovery work */ + struct work_struct recovery_work; + + struct work_struct irq_deferred_work; + + /* Reg domain last configuration */ + DECLARE_BITMAP(reg_ch_conf_last, 64); + /* Reg domain pending configuration */ + DECLARE_BITMAP(reg_ch_conf_pending, 64); + + /* Lock-less list for deferred event handling */ + struct llist_head event_list; + /* The mbox event mask */ + u32 event_mask; + /* events to unmask only when ap interface is up */ + u32 ap_event_mask; + + /* Are we currently scanning */ + struct cc33xx_vif *scan_wlvif; + struct cc33xx_scan scan; + struct delayed_work scan_complete_work; + + struct ieee80211_vif *roc_vif; + struct delayed_work roc_complete_work; + + struct cc33xx_vif *sched_vif; + + u8 mac80211_scan_stopped; + + /* The current band */ + enum nl80211_band band; + + /* in dBm */ + int power_level; + + struct cc33xx_stats stats; + + __le32 *buffer_32; + + /* Current chipset configuration */ + struct cc33xx_conf_file conf; + + bool enable_11a; + + /* bands supported by this instance of cc33xx */ + struct ieee80211_supported_band bands[CC33XX_NUM_BANDS]; + + /* wowlan trigger was configured during suspend. + * (currently, only "ANY" and "PATTERN" trigger is supported) + */ + + bool keep_device_power; + + /* AP-mode - links indexed by HLID. The global and broadcast links + * are always active. + */ + struct cc33xx_link links[CC33XX_MAX_LINKS]; + + /* number of currently active links */ + int active_link_count; + + /* AP-mode - a bitmap of links currently in PS mode according to FW */ + unsigned long ap_fw_ps_map; + + /* AP-mode - a bitmap of links currently in PS mode in mac80211 */ + unsigned long ap_ps_map; + + /* Quirks of specific hardware revisions */ + unsigned int quirks; + + /* number of currently active RX BA sessions */ + int ba_rx_session_count; + + /* AP-mode - number of currently connected stations */ + int active_sta_count; + + /* last wlvif we transmitted from */ + struct cc33xx_vif *last_wlvif; + + /* work to fire when Tx is stuck */ + struct delayed_work tx_watchdog_work; + + /* HW HT (11n) capabilities */ + struct ieee80211_sta_ht_cap ht_cap[CC33XX_NUM_BANDS]; + + /* the current dfs region */ + enum nl80211_dfs_regions dfs_region; + bool radar_debug_mode; + + /* RX Data filter rule state - enabled/disabled */ + /* used in CONFIG PM AND W8 Code */ + unsigned long rx_filter_enabled[BITS_TO_LONGS(CC33XX_MAX_RX_FILTERS)]; + + /* mutex for protecting the tx_flush function */ + struct mutex flush_mutex; + + /* sleep auth value currently configured to FW */ + int sleep_auth; + + /*ble_enable value - 1=enabled, 0=disabled. */ + int ble_enable; + + /* parameters for joining a TWT agreement */ + int min_wake_duration_usec; + int min_wake_interval_mantissa; + int min_wake_interval_exponent; + int max_wake_interval_mantissa; + int max_wake_interval_exponent; + + /* the number of allocated MAC addresses in this chip */ + int num_mac_addr; + + /* sta role index - if 0 - wlan0 primary station interface, + * if 1 - wlan2 - secondary station interface + */ + u8 sta_role_idx; + + u16 max_cmd_size; + + struct completion nvs_loading_complete; + struct completion command_complete; + + /* dynamic fw traces */ + u32 dynamic_fw_traces; + + /* buffer for sending commands to FW */ + u8 cmd_buf[CC33XX_CMD_BUFFER_SIZE]; + + /* number of keys requiring extra spare mem-blocks */ + int extra_spare_key_count; + + u8 efuse_mac_address[ETH_ALEN]; + + u32 fuse_rom_structure_version; + u32 device_part_number; + u32 pg_version; + u8 disable_5g; + u8 disable_6g; + + struct cc33xx_acx_fw_versions *fw_ver; + + u8 antenna_selection; + + /* burst mode cfg */ + u8 burst_disable; + + struct cc33xx_ant_diversity diversity; +}; + +void cc33xx_update_inconn_sta(struct cc33xx *cc, struct cc33xx_vif *wlvif, + struct cc33xx_station *wl_sta, bool in_conn); + +void cc33xx_irq(void *cookie); + +/* Quirks */ + +/* the first start_role(sta) sometimes doesn't work on wl12xx */ +#define CC33XX_QUIRK_START_STA_FAILS BIT(1) + +/* wl127x and SPI don't support SDIO block size alignment */ +#define CC33XX_QUIRK_TX_BLOCKSIZE_ALIGN BIT(2) + +/* means aggregated Rx packets are aligned to a SDIO block */ +#define CC33XX_QUIRK_RX_BLOCKSIZE_ALIGN BIT(3) + +/* pad only the last frame in the aggregate buffer */ +#define CC33XX_QUIRK_TX_PAD_LAST_FRAME BIT(7) + +/* extra header space is required for TKIP */ +#define CC33XX_QUIRK_TKIP_HEADER_SPACE BIT(8) + +/* Some firmwares not support sched scans while connected */ +#define CC33XX_QUIRK_NO_SCHED_SCAN_WHILE_CONN BIT(9) + +/* separate probe response templates for one-shot and sched scans */ +#define CC33XX_QUIRK_DUAL_PROBE_TMPL BIT(10) + +/* Firmware requires reg domain configuration for active calibration */ +#define CC33XX_QUIRK_REGDOMAIN_CONF BIT(11) + +/* The FW only support a zero session id for AP */ +#define CC33XX_QUIRK_AP_ZERO_SESSION_ID BIT(12) + +/* TODO: move all these common registers and values elsewhere */ +#define HW_ACCESS_ELP_CTRL_REG 0x1FFFC + +enum CC33xx_FRAME_FORMAT { + CC33xx_B_SHORT = 0, + CC33xx_B_LONG, + CC33xx_LEGACY_OFDM, + CC33xx_HT_MF, + CC33xx_HT_GF, + CC33xx_HE_SU, + CC33xx_HE_MU, + CC33xx_HE_SU_ER, + CC33xx_HE_TB, + CC33xx_HE_TB_NDP_FB, + CC33xx_VHT +}; + +/* CC33xx HW Common Definitions */ + +#define HOST_SYNC_PATTERN 0x5C5C5C5C +#define DEVICE_SYNC_PATTERN 0xABCDDCBA +#define NAB_DATA_ADDR 0x0000BFF0 +#define NAB_CONTROL_ADDR 0x0000BFF8 +#define NAB_STATUS_ADDR 0x0000BFFC + +#define NAB_SEND_CMD 0x940d +#define NAB_SEND_FLAGS 0x08 +#define CC33xx_INTERNAL_DESC_SIZE 200 +#define NAB_EXTRA_BYTES 4 + +#define TX_RESULT_QUEUE_SIZE 108 + +struct control_info_descriptor { + __le16 type_and_length; +}; + +enum control_message_type { + CTRL_MSG_NONE = 0, + CTRL_MSG_EVENT = 1, + CTRL_MSG_COMMND_COMPLETE = 2 +}; + +struct core_fw_status { + u8 tx_result_queue_index; + u8 reserved1[3]; + u8 tx_result_queue[TX_RESULT_QUEUE_SIZE]; + + /* A bitmap (where each bit represents a single HLID) + * to indicate PS/Active mode of the link + */ + __le32 link_ps_bitmap; + + /* A bitmap (where each bit represents a single HLID) + * to indicate if the station is in Fast mode + */ + __le32 link_fast_bitmap; + + /* A bitmap (where each bit represents a single HLID) + * to indicate if a links is suspended/about to be suspended + */ + __le32 link_suspend_bitmap; + + /* Host TX Flow Control descriptor per AC threshold */ + u8 tx_flow_control_ac_threshold; + + /* Host TX Flow Control descriptor PS link threshold */ + u8 tx_ps_threshold; + + /* Host TX Flow Control descriptor Suspended link threshold */ + u8 tx_suspend_threshold; + + /* Host TX Flow Control descriptor Slow link threshold */ + u8 tx_slow_link_prio_threshold; + + /* Host TX Flow Control descriptor Fast link threshold */ + u8 tx_fast_link_prio_threshold; + + /* Host TX Flow Control descriptor Stop Slow link threshold */ + u8 tx_slow_stop_threshold; + + /* Host TX Flow Control descriptor Stop Fast link threshold */ + u8 tx_fast_stop_threshold; + + u8 reserved2; + /* Additional information can be added here */ +} __packed; + +struct core_status { + __le32 block_pad[28]; + __le32 host_interrupt_status; + __le32 rx_status; + struct core_fw_status fw_info; + __le32 tsf; +} __packed; + +struct NAB_header { + __le32 sync_pattern; + __le16 opcode; + __le16 len; +}; + +/* rx_status lower bytes hold the rx byte count */ +#define RX_BYTE_COUNT_MASK 0xFFFF + +#define HINT_NEW_TX_RESULT 0x1 +#define HINT_COMMAND_COMPLETE 0x2 +#define HINT_ROM_LOADER_INIT_COMPLETE 0x8 +#define HINT_SECOND_LOADER_INIT_COMPLETE 0x10 +#define HINT_FW_WAKEUP_COMPLETE 0x20 +#define HINT_FW_INIT_COMPLETE 0x40 +#define HINT_GENERAL_ERROR 0x80000000 + +#define BOOT_TIME_INTERRUPTS (\ + HINT_ROM_LOADER_INIT_COMPLETE | \ + HINT_SECOND_LOADER_INIT_COMPLETE | \ + HINT_FW_WAKEUP_COMPLETE | \ + HINT_FW_INIT_COMPLETE) + +struct NAB_tx_header { + __le32 sync; + __le16 opcode; + __le16 len; + __le16 desc_length; + u8 sd; + u8 flags; +} __packed; + +struct NAB_rx_header { + __le32 cnys; + __le16 opcode; + __le16 len; + __le32 rx_desc; + __le32 reserved; +} __packed; + +#endif /* __CC33XX_H__ */ diff --git a/drivers/net/wireless/ti/cc33xx/cc33xx_i.h b/drivers/net/wireless/ti/cc33xx/cc33xx_i.h new file mode 100644 index 000000000000..99a296a5e94e --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/cc33xx_i.h @@ -0,0 +1,459 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef __CC33XX_I_H__ +#define __CC33XX_I_H__ + +#include <net/mac80211.h> +#include <linux/platform_device.h> + +#include "conf.h" + +struct cc33xx_family_data { + const char *name; + const char *nvs_name; /* nvs file */ + const char *cfg_name; /* cfg file */ +}; + +#define CC33XX_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) +#define CC33XX_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) +#define CC33XX_TX_SQN_POST_RECOVERY_PADDING 0xff +/* Use smaller padding for GEM, as some APs have issues when it's too big */ +#define CC33XX_TX_SQN_POST_RECOVERY_PADDING_GEM 0x20 + +#define CC33XX_CIPHER_SUITE_GEM 0x00147201 + +#define CC33XX_BUSY_WORD_LEN (sizeof(u32)) + +#define CC33XX_DEFAULT_BEACON_INT 100 + +#define CC33XX_MAX_ROLES 4 +#define CC33XX_INVALID_ROLE_ID 0xff +#define CC33XX_INVALID_LINK_ID 0xff + +#define CC33XX_MAX_LINKS 21 + +/* the driver supports the 2.4Ghz and 5Ghz bands */ +#define CC33XX_NUM_BANDS 2 + +#define CC33XX_MAX_RATE_POLICIES 16 + +/* Defined by FW as 0. Will not be freed or allocated. */ +#define CC33XX_SYSTEM_HLID 0 + +/* When in AP-mode, we allow (at least) this number of packets + * to be transmitted to FW for a STA in PS-mode. Only when packets are + * present in the FW buffers it will wake the sleeping STA. We want to put + * enough packets for the driver to transmit all of its buffered data before + * the STA goes to sleep again. But we don't want to take too much memory + * as it might hurt the throughput of active STAs. + */ +#define CC33XX_PS_STA_MAX_PACKETS 2 + +#define CC33XX_AP_BSS_INDEX 0 + +enum cc33xx_state { + CC33XX_STATE_OFF, + CC33XX_STATE_RESTARTING, + CC33XX_STATE_ON, +}; + +struct cc33xx; + +#define NUM_TX_QUEUES 4 + +#define CC33XX_MAX_CHANNELS 64 +struct cc33xx_scan { + struct cfg80211_scan_request *req; + unsigned long scanned_ch[BITS_TO_LONGS(CC33XX_MAX_CHANNELS)]; + bool failed; + u8 state; + u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; + size_t ssid_len; +}; + +struct cc33xx_if_operations { + void (*interface_claim)(struct device *child); + void (*interface_release)(struct device *child); + int __must_check (*read)(struct device *child, int addr, void *buf, + size_t len, bool fixed); + int __must_check (*write)(struct device *child, int addr, void *buf, + size_t len, bool fixed); + void (*reset)(struct device *child); + void (*init)(struct device *child); + int (*power)(struct device *child, bool enable); + void (*set_block_size)(struct device *child, unsigned int blksz); + size_t (*get_max_transaction_len)(struct device *child); + void (*set_irq_handler)(struct device *child, void *irq_handler); + void (*enable_irq)(struct device *child); + void (*disable_irq)(struct device *child); +}; + +struct cc33xx_platdev_data { + const struct cc33xx_if_operations *if_ops; + const struct cc33xx_family_data *family; + void (*irq_handler)(struct platform_device *pdev); + int gpio_irq_num; + + bool ref_clock_xtal; /* specify whether the clock is XTAL or not */ + bool pwr_in_suspend; +}; + +#define MAX_NUM_KEYS 14 +#define MAX_KEY_SIZE 32 + +struct cc33xx_ap_key { + u8 id; + u8 key_type; + u8 key_size; + u8 key[MAX_KEY_SIZE]; + u8 hlid; + u32 tx_seq_32; + u16 tx_seq_16; +}; + +enum cc33xx_flags { + CC33XX_FLAG_GPIO_POWER, + CC33XX_FLAG_TX_PENDING, + CC33XX_FLAG_IN_ELP, + CC33XX_FLAG_FW_TX_BUSY, + CC33XX_FLAG_DUMMY_PACKET_PENDING, + CC33XX_FLAG_SUSPENDED, + CC33XX_FLAG_PENDING_WORK, + CC33XX_FLAG_SOFT_GEMINI, + CC33XX_FLAG_DRIVER_REMOVED, + CC33XX_FLAG_RECOVERY_IN_PROGRESS, + CC33XX_FLAG_VIF_CHANGE_IN_PROGRESS, + CC33XX_FLAG_IO_FAILED, + CC33XX_FLAG_REINIT_TX_WDOG, +}; + +enum cc33xx_vif_flags { + WLVIF_FLAG_INITIALIZED, + WLVIF_FLAG_STA_ASSOCIATED, + WLVIF_FLAG_STA_AUTHORIZED, + WLVIF_FLAG_IBSS_JOINED, + WLVIF_FLAG_AP_STARTED, + WLVIF_FLAG_IN_PS, + WLVIF_FLAG_STA_STATE_SENT, + WLVIF_FLAG_PSPOLL_FAILURE, + WLVIF_FLAG_CS_PROGRESS, + WLVIF_FLAG_AP_PROBE_RESP_SET, + WLVIF_FLAG_IN_USE, + WLVIF_FLAG_ACTIVE, + WLVIF_FLAG_BEACON_DISABLED, +}; + +struct cc33xx_vif; + +struct cc33xx_link { + /* AP-mode - TX queue per AC in link */ + struct sk_buff_head tx_queue[NUM_TX_QUEUES]; + + /* accounting for allocated / freed packets in FW */ + u8 allocated_pkts; + u8 prev_freed_pkts; + + u8 addr[ETH_ALEN]; + + /* bitmap of TIDs where RX BA sessions are active for this link */ + u8 ba_bitmap; + + /* the last fw rate index we used for this link */ + u8 fw_rate_idx; + + /* the last fw rate [Mbps] we used for this link */ + u8 fw_rate_mbps; + + /* The wlvif this link belongs to. Might be null for global links */ + struct cc33xx_vif *wlvif; + + /* total freed FW packets on the link - used for tracking the + * AES/TKIP PN across recoveries. Re-initialized each time + * from the cc33xx_station structure. + */ + u64 total_freed_pkts; +}; + +#define CC33XX_MAX_RX_FILTERS 5 +#define CC33XX_RX_FILTER_MAX_FIELDS 8 + +#define CC33XX_RX_FILTER_ETH_HEADER_SIZE 14 +#define CC33XX_RX_FILTER_MAX_FIELDS_SIZE 95 +#define RX_FILTER_FIELD_OVERHEAD \ + (sizeof(struct cc33xx_rx_filter_field) - sizeof(u8 *)) +#define CC33XX_RX_FILTER_MAX_PATTERN_SIZE \ + (CC33XX_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD) + +#define CC33XX_RX_FILTER_FLAG_IP_HEADER 0 +#define CC33XX_RX_FILTER_FLAG_ETHERNET_HEADER BIT(1) + +struct ieee80211_header { + __le16 frame_ctl; + __le16 duration_id; + u8 da[ETH_ALEN]; + u8 sa[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + __le16 seq_ctl; + u8 payload[]; +} __packed; + +enum rx_filter_action { + FILTER_DROP = 0, + FILTER_SIGNAL = 1, + FILTER_FW_HANDLE = 2 +}; + +enum plt_mode { + PLT_OFF = 0, + PLT_ON = 1, + PLT_FEM_DETECT = 2, + PLT_CHIP_AWAKE = 3 +}; + +struct cc33xx_rx_filter_field { + __le16 offset; + u8 len; + u8 flags; + u8 *pattern; +} __packed; + +struct cc33xx_rx_filter { + u8 action; + int num_fields; + struct cc33xx_rx_filter_field fields[CC33XX_RX_FILTER_MAX_FIELDS]; +}; + +struct cc33xx_station { + u8 hlid; + bool in_connection; + + /* total freed FW packets on the link to the STA - used for tracking the + * AES/TKIP PN across recoveries. Re-initialized each time from the + * cc33xx_station structure. + * Used in both AP and STA mode. + */ + u64 total_freed_pkts; +}; + +struct cc33xx_vif { + struct cc33xx *cc; + struct list_head list; + unsigned long flags; + u8 bss_type; + u8 p2p; /* we are using p2p role */ + u8 role_id; + + /* sta/ibss specific */ + u8 dev_role_id; + u8 dev_hlid; + + union { + struct { + u8 hlid; + + u8 basic_rate_idx; + u8 ap_rate_idx; + u8 p2p_rate_idx; + + bool qos; + /* channel type we started the STA role with */ + enum nl80211_channel_type role_chan_type; + } sta; + struct { + u8 global_hlid; + u8 bcast_hlid; + + /* HLIDs bitmap of associated stations */ + unsigned long sta_hlid_map[BITS_TO_LONGS(CC33XX_MAX_LINKS)]; + + /* recoreded keys - set here before AP startup */ + struct cc33xx_ap_key *recorded_keys[MAX_NUM_KEYS]; + + u8 mgmt_rate_idx; + u8 bcast_rate_idx; + u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT]; + } ap; + }; + + /* the hlid of the last transmitted skb */ + int last_tx_hlid; + + /* counters of packets per AC, across all links in the vif */ + int tx_queue_count[NUM_TX_QUEUES]; + + unsigned long links_map[BITS_TO_LONGS(CC33XX_MAX_LINKS)]; + + u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; + u8 ssid_len; + + /* The current band */ + enum nl80211_band band; + int channel; + enum nl80211_channel_type channel_type; + + u32 bitrate_masks[CC33XX_NUM_BANDS]; + u32 basic_rate_set; + + /* currently configured rate set: + * bits 0-15 - 802.11abg rates + * bits 16-23 - 802.11n MCS index mask + * support only 1 stream, thus only 8 bits for the MCS rates (0-7). + */ + u32 basic_rate; + u32 rate_set; + + /* probe-req template for the current AP */ + struct sk_buff *probereq; + + /* Beaconing interval (needed for ad-hoc) */ + u32 beacon_int; + + /* Default key (for WEP) */ + u32 default_key; + + /* Our association ID */ + u16 aid; + + /* retry counter for PSM entries */ + u8 psm_entry_retry; + + /* in dBm */ + int power_level; + + int rssi_thold; + int last_rssi_event; + + /* save the current encryption type for auto-arp config */ + u8 encryption_type; + __be32 ip_addr; + + /* RX BA constraint value */ + bool ba_support; + bool ba_allowed; + + bool wmm_enabled; + + bool radar_enabled; + + struct delayed_work channel_switch_work; + struct delayed_work connection_loss_work; + + /* number of in connection stations */ + int inconn_count; + + /* This vif's queues are mapped to mac80211 HW queues as: + * VO - hw_queue_base + * VI - hw_queue_base + 1 + * BE - hw_queue_base + 2 + * BK - hw_queue_base + 3 + */ + int hw_queue_base; + + /* do we have a pending auth reply? (and ROC) */ + bool ap_pending_auth_reply; + + /* time when we sent the pending auth reply */ + unsigned long pending_auth_reply_time; + + /* work for canceling ROC after pending auth reply */ + struct delayed_work pending_auth_complete_work; + + struct delayed_work roc_timeout_work; + + /* update rate control */ + enum ieee80211_sta_rx_bandwidth rc_update_bw; + struct ieee80211_sta_ht_cap rc_ht_cap; + struct work_struct rc_update_work; + + /* total freed FW packets on the link. + * For STA this holds the PN of the link to the AP. + * For AP this holds the PN of the broadcast link. + */ + u64 total_freed_pkts; + + /* for MBSSID: this BSS is a nontransmitted BSS profile + * Relevant for STA role + */ + bool nontransmitted; + + /* for MBSSID: update transmitter BSSID */ + u8 transmitter_bssid[ETH_ALEN]; + + /* for MBSSID: BSSID index */ + u8 bssid_index; + + /* for MBSSID: BSSID indicator */ + u8 bssid_indicator; + + /* for STA: if connection established and has HE support*/ + u8 sta_has_he; + + /* This struct must be last! + * data that has to be saved acrossed reconfigs (e.g. recovery) + * should be declared in this struct. + */ + u8 persistent[]; +}; + +static inline struct cc33xx_vif *cc33xx_vif_to_data(struct ieee80211_vif *vif) +{ + WARN_ON(!vif); + return (struct cc33xx_vif *)vif->drv_priv; +} + +static inline +struct ieee80211_vif *cc33xx_wlvif_to_vif(struct cc33xx_vif *wlvif) +{ + return container_of((void *)wlvif, struct ieee80211_vif, drv_priv); +} + +static inline bool cc33xx_is_p2p_mgmt(struct cc33xx_vif *wlvif) +{ + return cc33xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE; +} + +#define cc33xx_for_each_wlvif(cc, wlvif) \ + list_for_each_entry(wlvif, &(cc)->wlvif_list, list) + +#define cc33xx_for_each_wlvif_continue(cc, wlvif) \ + list_for_each_entry_continue(wlvif, &(cc)->wlvif_list, list) + +#define cc33xx_for_each_wlvif_bss_type(cc, wlvif, _bss_type) \ + cc33xx_for_each_wlvif((cc), (wlvif)) \ + if ((wlvif)->bss_type == (_bss_type)) + +#define cc33xx_for_each_wlvif_sta(cc, wlvif) \ + cc33xx_for_each_wlvif_bss_type(cc, wlvif, BSS_TYPE_STA_BSS) + +#define cc33xx_for_each_wlvif_ap(cc, wlvif) \ + cc33xx_for_each_wlvif_bss_type(cc, wlvif, BSS_TYPE_AP_BSS) + +int cc33xx_plt_start(struct cc33xx *cc, const enum plt_mode plt_mode); +int cc33xx_plt_stop(struct cc33xx *cc); +void cc33xx_queue_recovery_work(struct cc33xx *cc); +void cc33xx_flush_deferred_work(struct cc33xx *cc); + +#define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */ + +#define CC33XX_MAX_TXPWR 21 /* maximum power limit is 21dBm */ +#define CC33XX_MIN_TXPWR -10 /* minimum power limit is -10dBm */ + +#define CC33XX_TX_QUEUE_LOW_WATERMARK 32 +#define CC33XX_TX_QUEUE_HIGH_WATERMARK 256 + +#define CC33XX_RX_QUEUE_MAX_LEN 256 + +/* cc33xx needs a 200ms sleep after power on, and a 20ms sleep before power + * on in case is has been shut down shortly before + */ +#define CC33XX_PRE_POWER_ON_SLEEP 20 /* in milliseconds */ +#define CC33XX_POWER_ON_SLEEP 200 /* in milliseconds */ + +/* Macros to handle cc33xx.sta_rate_set */ +#define HW_HT_RATES_OFFSET 16 +#define HW_MIMO_RATES_OFFSET 24 + +#endif /* __CC33XX_I_H__ */ -- 2.34.1
