diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/common.h')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/common.h | 602 |
1 files changed, 220 insertions, 382 deletions
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index abfa388588b..ea5c0f863c4 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -143,12 +143,6 @@ struct il_queue { * space less than this */ }; -/* One for each TFD */ -struct il_tx_info { - struct sk_buff *skb; - struct il_rxon_context *ctx; -}; - /** * struct il_tx_queue - Tx Queue for DMA * @q: generic Rx/Tx queue descriptor @@ -156,7 +150,7 @@ struct il_tx_info { * @cmd: array of command/TX buffer pointers * @meta: array of meta data for each command/tx buffer * @dma_addr_cmd: physical address of cmd/tx buffer array - * @txb: array of per-TFD driver data + * @skbs: array of per-TFD socket buffer pointers * @time_stamp: time (in jiffies) of last read_ptr change * @need_update: indicates need to update read/write idx * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled @@ -172,7 +166,7 @@ struct il_tx_queue { void *tfds; struct il_device_cmd **cmd; struct il_cmd_meta *meta; - struct il_tx_info *txb; + struct sk_buff **skbs; unsigned long time_stamp; u8 need_update; u8 sched_retry; @@ -431,12 +425,6 @@ struct il_eeprom_calib_info { #define EEPROM_REGULATORY_BAND_NO_HT40 (0) -struct il_eeprom_ops { - const u32 regulatory_bands[7]; - int (*acquire_semaphore) (struct il_priv *il); - void (*release_semaphore) (struct il_priv *il); -}; - int il_eeprom_init(struct il_priv *il); void il_eeprom_free(struct il_priv *il); const u8 *il_eeprom_query_addr(const struct il_priv *il, size_t offset); @@ -553,10 +541,6 @@ struct il_frame { struct list_head list; }; -#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) -#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) -#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) - enum { CMD_SYNC = 0, CMD_SIZE_NORMAL = 0, @@ -735,13 +719,12 @@ struct il_qos_info { struct il_station_entry { struct il_addsta_cmd sta; struct il_tid_data tid[MAX_TID_COUNT]; - u8 used, ctxid; + u8 used; struct il_hw_key keyinfo; struct il_link_quality_cmd *lq; }; struct il_station_priv_common { - struct il_rxon_context *ctx; u8 sta_id; }; @@ -752,7 +735,6 @@ struct il_station_priv_common { * space for us to put data into. */ struct il_vif_priv { - struct il_rxon_context *ctx; u8 ibss_bssid_sta_id; }; @@ -816,6 +798,7 @@ struct il_sensitivity_ranges { /** * struct il_hw_params + * @bcast_id: f/w broadcast station ID * @max_txq_num: Max # Tx queues supported * @dma_chnl_num: Number of Tx DMA/FIFO channels * @scd_bc_tbls_size: size of scheduler byte count tables @@ -836,6 +819,7 @@ struct il_sensitivity_ranges { * @struct il_sensitivity_ranges: range of sensitivity values */ struct il_hw_params { + u8 bcast_id; u8 max_txq_num; u8 dma_chnl_num; u16 scd_bc_tbls_size; @@ -874,9 +858,9 @@ struct il_hw_params { * il4965_mac_ <-- mac80211 callback * ****************************************************************************/ -extern void il4965_update_chain_flags(struct il_priv *il); +void il4965_update_chain_flags(struct il_priv *il); extern const u8 il_bcast_addr[ETH_ALEN]; -extern int il_queue_space(const struct il_queue *q); +int il_queue_space(const struct il_queue *q); static inline int il_queue_used(const struct il_queue *q, int i) { @@ -968,26 +952,6 @@ enum il4965_chain_noise_state { IL_CHAIN_NOISE_DONE, }; -enum il4965_calib_enabled_state { - IL_CALIB_DISABLED = 0, /* must be 0 */ - IL_CALIB_ENABLED = 1, -}; - -/* - * enum il_calib - * defines the order in which results of initial calibrations - * should be sent to the runtime uCode - */ -enum il_calib { - IL_CALIB_MAX, -}; - -/* Opaque calibration results */ -struct il_calib_result { - void *buf; - size_t buf_len; -}; - enum ucode_type { UCODE_NONE = 0, UCODE_INIT, @@ -1152,55 +1116,6 @@ struct il_force_reset { struct il_rxon_context { struct ieee80211_vif *vif; - - const u8 *ac_to_fifo; - const u8 *ac_to_queue; - u8 mcast_queue; - - /* - * We could use the vif to indicate active, but we - * also need it to be active during disabling when - * we already removed the vif for type setting. - */ - bool always_active, is_active; - - bool ht_need_multiple_chains; - - int ctxid; - - u32 interface_modes, exclusive_interface_modes; - u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; - - /* - * We declare this const so it can only be - * changed via explicit cast within the - * routines that actually update the physical - * hardware. - */ - const struct il_rxon_cmd active; - struct il_rxon_cmd staging; - - struct il_rxon_time_cmd timing; - - struct il_qos_info qos_data; - - u8 bcast_sta_id, ap_sta_id; - - u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; - u8 qos_cmd; - u8 wep_key_cmd; - - struct il_wep_key wep_keys[WEP_KEYS_MAX]; - u8 key_mapping_keys; - - __le32 station_flags; - - struct { - bool non_gf_sta_present; - u8 protection; - bool enabled, is_40mhz; - u8 extension_chan_offset; - } ht; }; struct il_power_mgr { @@ -1208,15 +1123,19 @@ struct il_power_mgr { struct il_powertable_cmd sleep_cmd_next; int debug_sleep_level_override; bool pci_pm; + bool ps_disabled; }; struct il_priv { - - /* ieee device used by generic ieee processing code */ struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; + struct il_cfg *cfg; + const struct il_ops *ops; +#ifdef CONFIG_IWLEGACY_DEBUGFS + const struct il_debugfs_ops *debugfs_ops; +#endif /* temporary frame storage list */ struct list_head free_frames; @@ -1253,9 +1172,6 @@ struct il_priv { s32 temperature; /* degrees Kelvin */ s32 last_temperature; - /* init calibration results */ - struct il_calib_result calib_results[IL_CALIB_MAX]; - /* Scan related variables */ unsigned long scan_start; unsigned long scan_start_tsf; @@ -1304,7 +1220,28 @@ struct il_priv { u8 ucode_write_complete; /* the image write is complete */ char firmware_name[25]; - struct il_rxon_context ctx; + struct ieee80211_vif *vif; + + struct il_qos_info qos_data; + + struct { + bool enabled; + bool is_40mhz; + bool non_gf_sta_present; + u8 protection; + u8 extension_chan_offset; + } ht; + + /* + * We declare this const so it can only be + * changed via explicit cast within the + * routines that actually update the physical + * hardware. + */ + const struct il_rxon_cmd active; + struct il_rxon_cmd staging; + + struct il_rxon_time_cmd timing; __le16 switch_channel; @@ -1363,6 +1300,8 @@ struct il_priv { /* queue refcounts */ #define IL_MAX_HW_QUEUES 32 unsigned long queue_stopped[BITS_TO_LONGS(IL_MAX_HW_QUEUES)]; +#define IL_STOP_REASON_PASSIVE 0 + unsigned long stop_reason; /* for each AC */ atomic_t queue_stop_count[4]; @@ -1416,6 +1355,7 @@ struct il_priv { struct { struct il_rx_phy_res last_phy_res; bool last_phy_res_valid; + u32 ampdu_ref; struct completion firmware_loading_complete; @@ -1427,6 +1367,9 @@ struct il_priv { u8 phy_calib_chain_noise_reset_cmd; u8 phy_calib_chain_noise_gain_cmd; + u8 key_mapping_keys; + struct il_wep_key wep_keys[WEP_KEYS_MAX]; + struct il_notif_stats stats; #ifdef CONFIG_IWLEGACY_DEBUGFS struct il_notif_stats accum_stats; @@ -1449,7 +1392,7 @@ struct il_priv { struct work_struct rx_replenish; struct work_struct abort_scan; - struct il_rxon_context *beacon_ctx; + bool beacon_enabled; struct sk_buff *beacon_skb; struct work_struct tx_flush; @@ -1507,30 +1450,10 @@ il_txq_ctx_deactivate(struct il_priv *il, int txq_id) clear_bit(txq_id, &il->txq_ctx_active_msk); } -static inline struct ieee80211_hdr * -il_tx_queue_get_hdr(struct il_priv *il, int txq_id, int idx) -{ - if (il->txq[txq_id].txb[idx].skb) - return (struct ieee80211_hdr *)il->txq[txq_id].txb[idx].skb-> - data; - return NULL; -} - -static inline struct il_rxon_context * -il_rxon_ctx_from_vif(struct ieee80211_vif *vif) -{ - struct il_vif_priv *vif_priv = (void *)vif->drv_priv; - - return vif_priv->ctx; -} - -#define for_each_context(il, _ctx) \ - for (_ctx = &il->ctx; _ctx == &il->ctx; _ctx++) - static inline int il_is_associated(struct il_priv *il) { - return (il->ctx.active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; + return (il->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; } static inline int @@ -1540,12 +1463,6 @@ il_is_any_associated(struct il_priv *il) } static inline int -il_is_associated_ctx(struct il_rxon_context *ctx) -{ - return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; -} - -static inline int il_is_channel_valid(const struct il_channel_info *ch_info) { if (ch_info == NULL) @@ -1613,25 +1530,6 @@ il_free_pages(struct il_priv *il, unsigned long page) #define IL_RX_BUF_SIZE_4K (4 * 1024) #define IL_RX_BUF_SIZE_8K (8 * 1024) -struct il_hcmd_ops { - int (*rxon_assoc) (struct il_priv *il, struct il_rxon_context *ctx); - int (*commit_rxon) (struct il_priv *il, struct il_rxon_context *ctx); - void (*set_rxon_chain) (struct il_priv *il, - struct il_rxon_context *ctx); -}; - -struct il_hcmd_utils_ops { - u16(*get_hcmd_size) (u8 cmd_id, u16 len); - u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); - int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); - void (*post_scan) (struct il_priv *il); -}; - -struct il_apm_ops { - int (*init) (struct il_priv *il); - void (*config) (struct il_priv *il); -}; - #ifdef CONFIG_IWLEGACY_DEBUGFS struct il_debugfs_ops { ssize_t(*rx_stats_read) (struct file *file, char __user *user_buf, @@ -1644,13 +1542,7 @@ struct il_debugfs_ops { }; #endif -struct il_temp_ops { - void (*temperature) (struct il_priv *il); -}; - -struct il_lib_ops { - /* set hw dependent parameters */ - int (*set_hw_params) (struct il_priv *il); +struct il_ops { /* Handling TX */ void (*txq_update_byte_cnt_tbl) (struct il_priv *il, struct il_tx_queue *txq, @@ -1660,8 +1552,6 @@ struct il_lib_ops { u16 len, u8 reset, u8 pad); void (*txq_free_tfd) (struct il_priv *il, struct il_tx_queue *txq); int (*txq_init) (struct il_priv *il, struct il_tx_queue *txq); - /* setup Rx handler */ - void (*handler_setup) (struct il_priv *il); /* alive notification after init uCode load */ void (*init_alive_start) (struct il_priv *il); /* check validity of rtc data address */ @@ -1674,45 +1564,33 @@ struct il_lib_ops { int (*set_channel_switch) (struct il_priv *il, struct ieee80211_channel_switch *ch_switch); /* power management */ - struct il_apm_ops apm_ops; + int (*apm_init) (struct il_priv *il); - /* power */ + /* tx power */ int (*send_tx_power) (struct il_priv *il); void (*update_chain_flags) (struct il_priv *il); /* eeprom operations */ - struct il_eeprom_ops eeprom_ops; + int (*eeprom_acquire_semaphore) (struct il_priv *il); + void (*eeprom_release_semaphore) (struct il_priv *il); - /* temperature */ - struct il_temp_ops temp_ops; + int (*rxon_assoc) (struct il_priv *il); + int (*commit_rxon) (struct il_priv *il); + void (*set_rxon_chain) (struct il_priv *il); -#ifdef CONFIG_IWLEGACY_DEBUGFS - struct il_debugfs_ops debugfs_ops; -#endif - -}; - -struct il_led_ops { - int (*cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); -}; + u16(*get_hcmd_size) (u8 cmd_id, u16 len); + u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); -struct il_legacy_ops { + int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); + void (*post_scan) (struct il_priv *il); void (*post_associate) (struct il_priv *il); void (*config_ap) (struct il_priv *il); /* station management */ int (*update_bcast_stations) (struct il_priv *il); int (*manage_ibss_station) (struct il_priv *il, struct ieee80211_vif *vif, bool add); -}; -struct il_ops { - const struct il_lib_ops *lib; - const struct il_hcmd_ops *hcmd; - const struct il_hcmd_utils_ops *utils; - const struct il_led_ops *led; - const struct il_nic_ops *nic; - const struct il_legacy_ops *legacy; - const struct ieee80211_ops *ieee80211_ops; + int (*send_led_cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); }; struct il_mod_params { @@ -1720,42 +1598,11 @@ struct il_mod_params { int disable_hw_scan; /* def: 0 = use h/w scan */ int num_of_queues; /* def: HW dependent */ int disable_11n; /* def: 0 = 11n capabilities enabled */ - int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */ + int amsdu_size_8K; /* def: 0 = disable 8K amsdu size */ int antenna; /* def: 0 = both antennas (use diversity) */ int restart_fw; /* def: 1 = restart firmware */ }; -/* - * @led_compensation: compensate on the led on/off time per HW according - * to the deviation to achieve the desired led frequency. - * The detail algorithm is described in common.c - * @chain_noise_num_beacons: number of beacons used to compute chain noise - * @wd_timeout: TX queues watchdog timeout - * @temperature_kelvin: temperature report by uCode in kelvin - * @ucode_tracing: support ucode continuous tracing - * @sensitivity_calib_by_driver: driver has the capability to perform - * sensitivity calibration operation - * @chain_noise_calib_by_driver: driver has the capability to perform - * chain noise calibration operation - */ -struct il_base_params { - int eeprom_size; - int num_of_queues; /* def: HW dependent */ - int num_of_ampdu_queues; /* def: HW dependent */ - /* for il_apm_init() */ - u32 pll_cfg_val; - bool set_l0s; - bool use_bsm; - - u16 led_compensation; - int chain_noise_num_beacons; - unsigned int wd_timeout; - bool temperature_kelvin; - const bool ucode_tracing; - const bool sensitivity_calib_by_driver; - const bool chain_noise_calib_by_driver; -}; - #define IL_LED_SOLID 11 #define IL_DEF_LED_INTRVL cpu_to_le32(1000) @@ -1821,7 +1668,6 @@ struct il_cfg { unsigned int sku; u16 eeprom_ver; u16 eeprom_calib_ver; - const struct il_ops *ops; /* module based parameters which can be set from modprobe cmd */ const struct il_mod_params *mod_params; /* params not likely to change within a device family */ @@ -1829,31 +1675,45 @@ struct il_cfg { /* params likely to change within a device family */ u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; enum il_led_mode led_mode; + + int eeprom_size; + int num_of_queues; /* def: HW dependent */ + int num_of_ampdu_queues; /* def: HW dependent */ + /* for il_apm_init() */ + u32 pll_cfg_val; + bool set_l0s; + bool use_bsm; + + u16 led_compensation; + int chain_noise_num_beacons; + unsigned int wd_timeout; + bool temperature_kelvin; + const bool ucode_tracing; + const bool sensitivity_calib_by_driver; + const bool chain_noise_calib_by_driver; + + const u32 regulatory_bands[7]; }; /*************************** * L i b * ***************************/ -struct ieee80211_hw *il_alloc_all(struct il_cfg *cfg); int il_mac_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params); int il_mac_tx_last_beacon(struct ieee80211_hw *hw); -void il_set_rxon_hwcrypto(struct il_priv *il, struct il_rxon_context *ctx, - int hw_decrypt); -int il_check_rxon_cmd(struct il_priv *il, struct il_rxon_context *ctx); -int il_full_rxon_required(struct il_priv *il, struct il_rxon_context *ctx); -int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch, - struct il_rxon_context *ctx); -void il_set_flags_for_band(struct il_priv *il, struct il_rxon_context *ctx, - enum ieee80211_band band, struct ieee80211_vif *vif); +void il_set_rxon_hwcrypto(struct il_priv *il, int hw_decrypt); +int il_check_rxon_cmd(struct il_priv *il); +int il_full_rxon_required(struct il_priv *il); +int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch); +void il_set_flags_for_band(struct il_priv *il, enum ieee80211_band band, + struct ieee80211_vif *vif); u8 il_get_single_channel_number(struct il_priv *il, enum ieee80211_band band); void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf); -bool il_is_ht40_tx_allowed(struct il_priv *il, struct il_rxon_context *ctx, +bool il_is_ht40_tx_allowed(struct il_priv *il, struct ieee80211_sta_ht_cap *ht_cap); -void il_connection_init_rx_config(struct il_priv *il, - struct il_rxon_context *ctx); +void il_connection_init_rx_config(struct il_priv *il); void il_set_rate(struct il_priv *il); int il_set_decrypted_flag(struct il_priv *il, struct ieee80211_hdr *hdr, u32 decrypt_res, struct ieee80211_rx_status *stats); @@ -1863,61 +1723,27 @@ void il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p); +void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop); int il_alloc_txq_mem(struct il_priv *il); -void il_txq_mem(struct il_priv *il); +void il_free_txq_mem(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUGFS -int il_alloc_traffic_mem(struct il_priv *il); -void il_free_traffic_mem(struct il_priv *il); -void il_reset_traffic_log(struct il_priv *il); -void il_dbg_log_tx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header); -void il_dbg_log_rx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header); -const char *il_get_mgmt_string(int cmd); -const char *il_get_ctrl_string(int cmd); -void il_clear_traffic_stats(struct il_priv *il); void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); #else -static inline int -il_alloc_traffic_mem(struct il_priv *il) -{ - return 0; -} - -static inline void -il_free_traffic_mem(struct il_priv *il) -{ -} - -static inline void -il_reset_traffic_log(struct il_priv *il) -{ -} - -static inline void -il_dbg_log_tx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ -} - -static inline void -il_dbg_log_rx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ -} - static inline void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) { } #endif + /***************************************************** - * RX handlers. - * **************************************************/ + * Handlers + ***************************************************/ void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb); +void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); /***************************************************** * RX @@ -1928,22 +1754,17 @@ int il_rx_queue_alloc(struct il_priv *il); void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q); int il_rx_queue_space(const struct il_rx_queue *q); void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb); -/* Handlers */ + void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb); void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt); void il_chswitch_done(struct il_priv *il, bool is_success); -void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); - -/* TX helpers */ /***************************************************** * TX ******************************************************/ void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); -int il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, - u32 txq_id); -void il_tx_queue_reset(struct il_priv *il, struct il_tx_queue *txq, - int slots_num, u32 txq_id); +int il_tx_queue_init(struct il_priv *il, u32 txq_id); +void il_tx_queue_reset(struct il_priv *il, u32 txq_id); void il_tx_queue_unmap(struct il_priv *il, int txq_id); void il_tx_queue_free(struct il_priv *il, int txq_id); void il_setup_watchdog(struct il_priv *il); @@ -1956,7 +1777,7 @@ int il_set_tx_power(struct il_priv *il, s8 tx_power, bool force); * Rate ******************************************************************************/ -u8 il_get_lowest_plcp(struct il_priv *il, struct il_rxon_context *ctx); +u8 il_get_lowest_plcp(struct il_priv *il); /******************************************************************************* * Scanning @@ -2010,43 +1831,31 @@ int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd); * PCI * *****************************************************/ -static inline u16 -il_pcie_link_ctl(struct il_priv *il) -{ - int pos; - u16 pci_lnk_ctl; - pos = pci_pcie_cap(il->pci_dev); - pci_read_config_word(il->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); - return pci_lnk_ctl; -} - void il_bg_watchdog(unsigned long data); u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval); __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon, u32 beacon_interval); -#ifdef CONFIG_PM -int il_pci_suspend(struct device *device); -int il_pci_resume(struct device *device); +#ifdef CONFIG_PM_SLEEP extern const struct dev_pm_ops il_pm_ops; #define IL_LEGACY_PM_OPS (&il_pm_ops) -#else /* !CONFIG_PM */ +#else /* !CONFIG_PM_SLEEP */ #define IL_LEGACY_PM_OPS NULL -#endif /* !CONFIG_PM */ +#endif /* !CONFIG_PM_SLEEP */ /***************************************************** * Error Handling Debugging ******************************************************/ void il4965_dump_nic_error_log(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUG -void il_print_rx_config_cmd(struct il_priv *il, struct il_rxon_context *ctx); +void il_print_rx_config_cmd(struct il_priv *il); #else static inline void -il_print_rx_config_cmd(struct il_priv *il, struct il_rxon_context *ctx) +il_print_rx_config_cmd(struct il_priv *il) { } #endif @@ -2064,7 +1873,7 @@ void il_free_geos(struct il_priv *il); #define S_HCMD_ACTIVE 0 /* host command in progress */ /* 1 is unused (used to be S_HCMD_SYNC_ACTIVE) */ #define S_INT_ENABLED 2 -#define S_RF_KILL_HW 3 +#define S_RFKILL 3 #define S_CT_KILL 4 #define S_INIT 5 #define S_ALIVE 6 @@ -2103,15 +1912,9 @@ il_is_init(struct il_priv *il) } static inline int -il_is_rfkill_hw(struct il_priv *il) -{ - return test_bit(S_RF_KILL_HW, &il->status); -} - -static inline int il_is_rfkill(struct il_priv *il) { - return il_is_rfkill_hw(il); + return test_bit(S_RFKILL, &il->status); } static inline int @@ -2130,22 +1933,25 @@ il_is_ready_rf(struct il_priv *il) return il_is_ready(il); } -extern void il_send_bt_config(struct il_priv *il); -extern int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); +void il_send_bt_config(struct il_priv *il); +int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); void il_apm_stop(struct il_priv *il); +void _il_apm_stop(struct il_priv *il); + int il_apm_init(struct il_priv *il); -int il_send_rxon_timing(struct il_priv *il, struct il_rxon_context *ctx); +int il_send_rxon_timing(struct il_priv *il); + static inline int -il_send_rxon_assoc(struct il_priv *il, struct il_rxon_context *ctx) +il_send_rxon_assoc(struct il_priv *il) { - return il->cfg->ops->hcmd->rxon_assoc(il, ctx); + return il->ops->rxon_assoc(il); } static inline int -il_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx) +il_commit_rxon(struct il_priv *il) { - return il->cfg->ops->hcmd->commit_rxon(il, ctx); + return il->ops->commit_rxon(il); } static inline const struct ieee80211_supported_band * @@ -2164,33 +1970,47 @@ void il_tx_cmd_protection(struct il_priv *il, struct ieee80211_tx_info *info, irqreturn_t il_isr(int irq, void *data); -extern void il_set_bit(struct il_priv *p, u32 r, u32 m); -extern void il_clear_bit(struct il_priv *p, u32 r, u32 m); -extern int _il_grab_nic_access(struct il_priv *il); -extern int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); -extern int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); -extern u32 il_rd_prph(struct il_priv *il, u32 reg); -extern void il_wr_prph(struct il_priv *il, u32 addr, u32 val); -extern u32 il_read_targ_mem(struct il_priv *il, u32 addr); -extern void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); +void il_set_bit(struct il_priv *p, u32 r, u32 m); +void il_clear_bit(struct il_priv *p, u32 r, u32 m); +bool _il_grab_nic_access(struct il_priv *il); +int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); +int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); +u32 il_rd_prph(struct il_priv *il, u32 reg); +void il_wr_prph(struct il_priv *il, u32 addr, u32 val); +u32 il_read_targ_mem(struct il_priv *il, u32 addr); +void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); + +static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt) +{ + /* Reclaim a command buffer only if this packet is a response + * to a (driver-originated) command. If the packet (e.g. Rx frame) + * originated from uCode, there is no command buffer to reclaim. + * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but + * apparently a few don't get set; catch them here. + */ + return !(pkt->hdr.sequence & SEQ_RX_FRAME) && + pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX && + pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX && + pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA; +} static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val) { - iowrite8(val, il->hw_base + ofs); + writeb(val, il->hw_base + ofs); } #define il_write8(il, ofs, val) _il_write8(il, ofs, val) static inline void _il_wr(struct il_priv *il, u32 ofs, u32 val) { - iowrite32(val, il->hw_base + ofs); + writel(val, il->hw_base + ofs); } static inline u32 _il_rd(struct il_priv *il, u32 ofs) { - return ioread32(il->hw_base + ofs); + return readl(il->hw_base + ofs); } static inline void @@ -2209,6 +2029,13 @@ static inline void _il_release_nic_access(struct il_priv *il) { _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + /* + * In above we are reading CSR_GP_CNTRL register, what will flush any + * previous writes, but still want write, which clear MAC_ACCESS_REQ + * bit, be performed on PCI bus before any other writes scheduled on + * different CPUs (after we drop reg_lock). + */ + mmiowb(); } static inline u32 @@ -2231,7 +2058,7 @@ il_wr(struct il_priv *il, u32 reg, u32 value) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - if (!_il_grab_nic_access(il)) { + if (likely(_il_grab_nic_access(il))) { _il_wr(il, reg, value); _il_release_nic_access(il); } @@ -2242,7 +2069,6 @@ static inline u32 _il_rd_prph(struct il_priv *il, u32 reg) { _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); - rmb(); return _il_rd(il, HBUS_TARG_PRPH_RDAT); } @@ -2250,7 +2076,6 @@ static inline void _il_wr_prph(struct il_priv *il, u32 addr, u32 val) { _il_wr(il, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); - wmb(); _il_wr(il, HBUS_TARG_PRPH_WDAT, val); } @@ -2260,9 +2085,10 @@ il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2272,9 +2098,10 @@ il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2285,10 +2112,11 @@ il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask) u32 val; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - val = _il_rd_prph(il, reg); - _il_wr_prph(il, reg, (val & ~mask)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + val = _il_rd_prph(il, reg); + _il_wr_prph(il, reg, (val & ~mask)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2303,23 +2131,22 @@ il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask) (this is for the IBSS BSSID stations) */ #define IL_STA_BCAST BIT(4) /* this station is the special bcast station */ -void il_restore_stations(struct il_priv *il, struct il_rxon_context *ctx); -void il_clear_ucode_stations(struct il_priv *il, struct il_rxon_context *ctx); +void il_restore_stations(struct il_priv *il); +void il_clear_ucode_stations(struct il_priv *il); void il_dealloc_bcast_stations(struct il_priv *il); int il_get_free_ucode_key_idx(struct il_priv *il); int il_send_add_sta(struct il_priv *il, struct il_addsta_cmd *sta, u8 flags); -int il_add_station_common(struct il_priv *il, struct il_rxon_context *ctx, - const u8 *addr, bool is_ap, +int il_add_station_common(struct il_priv *il, const u8 *addr, bool is_ap, struct ieee80211_sta *sta, u8 *sta_id_r); int il_remove_station(struct il_priv *il, const u8 sta_id, const u8 * addr); int il_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); -u8 il_prep_station(struct il_priv *il, struct il_rxon_context *ctx, - const u8 *addr, bool is_ap, struct ieee80211_sta *sta); +u8 il_prep_station(struct il_priv *il, const u8 *addr, bool is_ap, + struct ieee80211_sta *sta); -int il_send_lq_cmd(struct il_priv *il, struct il_rxon_context *ctx, - struct il_link_quality_cmd *lq, u8 flags, bool init); +int il_send_lq_cmd(struct il_priv *il, struct il_link_quality_cmd *lq, + u8 flags, bool init); /** * il_clear_driver_stations - clear knowledge of all stations from driver @@ -2334,24 +2161,11 @@ static inline void il_clear_driver_stations(struct il_priv *il) { unsigned long flags; - struct il_rxon_context *ctx = &il->ctx; spin_lock_irqsave(&il->sta_lock, flags); memset(il->stations, 0, sizeof(il->stations)); il->num_stations = 0; - il->ucode_key_table = 0; - - /* - * Remove all key information that is not stored as part - * of station information since mac80211 may not have had - * a chance to remove all the keys. When device is - * reconfigured by mac80211 after an error all keys will - * be reconfigured. - */ - memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); - ctx->key_mapping_keys = 0; - spin_unlock_irqrestore(&il->sta_lock, flags); } @@ -2376,13 +2190,12 @@ il_sta_id(struct ieee80211_sta *sta) * inline wraps that pattern. */ static inline int -il_sta_id_or_broadcast(struct il_priv *il, struct il_rxon_context *context, - struct ieee80211_sta *sta) +il_sta_id_or_broadcast(struct il_priv *il, struct ieee80211_sta *sta) { int sta_id; if (!sta) - return context->bcast_sta_id; + return il->hw_params.bcast_id; sta_id = il_sta_id(sta); @@ -2436,9 +2249,8 @@ il_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) return -EINVAL; } - desc->v_addr = - dma_alloc_coherent(&pci_dev->dev, desc->len, &desc->p_addr, - GFP_KERNEL); + desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, + &desc->p_addr, GFP_KERNEL); return (desc->v_addr != NULL) ? 0 : -ENOMEM; } @@ -2463,6 +2275,19 @@ il_set_swq_id(struct il_tx_queue *txq, u8 ac, u8 hwq) } static inline void +_il_wake_queue(struct il_priv *il, u8 ac) +{ + if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) + ieee80211_wake_queue(il->hw, ac); +} + +static inline void +_il_stop_queue(struct il_priv *il, u8 ac) +{ + if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) + ieee80211_stop_queue(il->hw, ac); +} +static inline void il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) { u8 queue = txq->swq_id; @@ -2470,8 +2295,7 @@ il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) u8 hwq = (queue >> 2) & 0x1f; if (test_and_clear_bit(hwq, il->queue_stopped)) - if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) - ieee80211_wake_queue(il->hw, ac); + _il_wake_queue(il, ac); } static inline void @@ -2482,8 +2306,27 @@ il_stop_queue(struct il_priv *il, struct il_tx_queue *txq) u8 hwq = (queue >> 2) & 0x1f; if (!test_and_set_bit(hwq, il->queue_stopped)) - if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) - ieee80211_stop_queue(il->hw, ac); + _il_stop_queue(il, ac); +} + +static inline void +il_wake_queues_by_reason(struct il_priv *il, int reason) +{ + u8 ac; + + if (test_and_clear_bit(reason, &il->stop_reason)) + for (ac = 0; ac < 4; ac++) + _il_wake_queue(il, ac); +} + +static inline void +il_stop_queues_by_reason(struct il_priv *il, int reason) +{ + u8 ac; + + if (!test_and_set_bit(reason, &il->stop_reason)) + for (ac = 0; ac < 4; ac++) + _il_stop_queue(il, ac); } #ifdef ieee80211_stop_queue @@ -2565,10 +2408,10 @@ struct il_rb_status { __le32 __unused; /* 3945 only */ } __packed; -#define TFD_QUEUE_SIZE_MAX (256) -#define TFD_QUEUE_SIZE_BC_DUP (64) +#define TFD_QUEUE_SIZE_MAX 256 +#define TFD_QUEUE_SIZE_BC_DUP 64 #define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP) -#define IL_TX_DMA_MASK DMA_BIT_MASK(36) +#define IL_TX_DMA_MASK DMA_BIT_MASK(36) #define IL_NUM_OF_TBS 20 static inline u8 @@ -2629,10 +2472,6 @@ struct il_tfd { /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 -/* PCI register values */ -#define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 -#define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 - struct il_rate_info { u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */ @@ -3045,13 +2884,13 @@ il4965_first_antenna(u8 mask) * The specific throughput table used is based on the type of network * the associated with, including A, B, G, and G w/ TGG protection */ -extern void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); +void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); /* Initialize station's rate scaling information after adding station */ -extern void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, - u8 sta_id); -extern void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, - u8 sta_id); +void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, + u8 sta_id); +void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, + u8 sta_id); /** * il_rate_control_register - Register the rate control algorithm callbacks @@ -3063,8 +2902,8 @@ extern void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, * ieee80211_register_hw * */ -extern int il4965_rate_control_register(void); -extern int il3945_rate_control_register(void); +int il4965_rate_control_register(void); +int il3945_rate_control_register(void); /** * il_rate_control_unregister - Unregister the rate control callbacks @@ -3072,11 +2911,11 @@ extern int il3945_rate_control_register(void); * This should be called after calling ieee80211_unregister_hw, but before * the driver is unloaded. */ -extern void il4965_rate_control_unregister(void); -extern void il3945_rate_control_unregister(void); +void il4965_rate_control_unregister(void); +void il3945_rate_control_unregister(void); -extern int il_power_update_mode(struct il_priv *il, bool force); -extern void il_power_initialize(struct il_priv *il); +int il_power_update_mode(struct il_priv *il, bool force); +void il_power_initialize(struct il_priv *il); extern u32 il_debug_level; @@ -3114,9 +2953,8 @@ do { \ #define IL_DBG(level, fmt, args...) \ do { \ if (il_get_debug_level(il) & level) \ - dev_printk(KERN_ERR, &il->hw->wiphy->dev, \ - "%c %s " fmt, in_interrupt() ? 'I' : 'U', \ - __func__ , ## args); \ + dev_err(&il->hw->wiphy->dev, "%c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __func__ , ##args); \ } while (0) #define il_print_hex_dump(il, level, p, len) \ |