drivers/net/wireless/intel/iwlwifi/dvm/agn.h

   1 /******************************************************************************
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   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
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  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
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  17  * General Public License for more details.
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  20  * in the file called COPYING.
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  22  * Contact Information:
  23  *  Intel Linux Wireless <linuxwifi@intel.com>
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  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  55  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  *****************************************************************************/
  57
  58 #ifndef __iwl_agn_h__
  59 #define __iwl_agn_h__
  60
  61 #include "iwl-config.h"
  62
  63 #include "dev.h"
  64
  65 /* The first 11 queues (0-10) are used otherwise */
  66 #define IWLAGN_FIRST_AMPDU_QUEUE        11
  67
  68 /* AUX (TX during scan dwell) queue */
  69 #define IWL_AUX_QUEUE           10
  70
  71 #define IWL_INVALID_STATION     255
  72
  73 /* device operations */
  74 extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
  75 extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
  76 extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
  77 extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
  78 extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
  79 extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
  80 extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
  81 extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
  82 extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
  83 extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
  84
  85
  86 #define TIME_UNIT               1024
  87
  88 /*****************************************************
  89 * DRIVER STATUS FUNCTIONS
  90 ******************************************************/
  91 #define STATUS_RF_KILL_HW       0
  92 #define STATUS_CT_KILL          1
  93 #define STATUS_ALIVE            2
  94 #define STATUS_READY            3
  95 #define STATUS_EXIT_PENDING     5
  96 #define STATUS_STATISTICS       6
  97 #define STATUS_SCANNING         7
  98 #define STATUS_SCAN_ABORTING    8
  99 #define STATUS_SCAN_HW          9
 100 #define STATUS_FW_ERROR         10
 101 #define STATUS_CHANNEL_SWITCH_PENDING 11
 102 #define STATUS_SCAN_COMPLETE    12
 103 #define STATUS_POWER_PMI        13
 104
 105 struct iwl_ucode_capabilities;
 106
 107 extern const struct ieee80211_ops iwlagn_hw_ops;
 108
 109 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 110 {
 111         hdr->op_code = cmd;
 112         hdr->first_group = 0;
 113         hdr->groups_num = 1;
 114         hdr->data_valid = 1;
 115 }
 116
 117 void iwl_down(struct iwl_priv *priv);
 118 void iwl_cancel_deferred_work(struct iwl_priv *priv);
 119 void iwlagn_prepare_restart(struct iwl_priv *priv);
 120 void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
 121                      struct iwl_rx_cmd_buffer *rxb);
 122
 123 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 124
 125 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 126
 127 /* MAC80211 */
 128 struct ieee80211_hw *iwl_alloc_all(void);
 129 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 130                               const struct iwl_ucode_capabilities *capa);
 131 void iwlagn_mac_unregister(struct iwl_priv *priv);
 132
 133 /* commands */
 134 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 135 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 136                          u32 flags, u16 len, const void *data);
 137
 138 /* RXON */
 139 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 140                                    struct iwl_rxon_context *ctx);
 141 int iwlagn_set_pan_params(struct iwl_priv *priv);
 142 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 143 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 144 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 145 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 146                              struct ieee80211_vif *vif,
 147                              struct ieee80211_bss_conf *bss_conf,
 148                              u32 changes);
 149 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 150                         struct iwl_rxon_context *ctx);
 151 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 152 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 153                          struct iwl_rxon_context *ctx);
 154 void iwl_set_flags_for_band(struct iwl_priv *priv,
 155                             struct iwl_rxon_context *ctx,
 156                             enum nl80211_band band,
 157                             struct ieee80211_vif *vif);
 158
 159 /* uCode */
 160 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 161 void iwl_send_prio_tbl(struct iwl_priv *priv);
 162 int iwl_init_alive_start(struct iwl_priv *priv);
 163 int iwl_run_init_ucode(struct iwl_priv *priv);
 164 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 165                               enum iwl_ucode_type ucode_type);
 166 int iwl_send_calib_results(struct iwl_priv *priv);
 167 int iwl_calib_set(struct iwl_priv *priv,
 168                   const struct iwl_calib_hdr *cmd, int len);
 169 void iwl_calib_free_results(struct iwl_priv *priv);
 170 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 171                             char **buf);
 172 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 173
 174 /* lib */
 175 int iwlagn_send_tx_power(struct iwl_priv *priv);
 176 void iwlagn_temperature(struct iwl_priv *priv);
 177 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
 178 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 179 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 180 int iwl_send_statistics_request(struct iwl_priv *priv,
 181                                 u8 flags, bool clear);
 182
 183 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 184                         struct iwl_priv *priv, enum nl80211_band band)
 185 {
 186         return priv->hw->wiphy->bands[band];
 187 }
 188
 189 #ifdef CONFIG_PM_SLEEP
 190 int iwlagn_send_patterns(struct iwl_priv *priv,
 191                          struct cfg80211_wowlan *wowlan);
 192 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 193 #endif
 194
 195 /* rx */
 196 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);
 197 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 198 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 199
 200
 201 /* tx */
 202 int iwlagn_tx_skb(struct iwl_priv *priv,
 203                   struct ieee80211_sta *sta,
 204                   struct sk_buff *skb);
 205 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 206                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 207 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 208                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 209 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 210                        struct ieee80211_sta *sta, u16 tid);
 211 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
 212                         struct ieee80211_sta *sta, u16 tid);
 213 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 214                                    struct iwl_rx_cmd_buffer *rxb);
 215 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 216
 217 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 218 {
 219         status &= TX_STATUS_MSK;
 220
 221         switch (status) {
 222         case TX_STATUS_SUCCESS:
 223         case TX_STATUS_DIRECT_DONE:
 224                 return IEEE80211_TX_STAT_ACK;
 225         case TX_STATUS_FAIL_DEST_PS:
 226         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 227                 return IEEE80211_TX_STAT_TX_FILTERED;
 228         default:
 229                 return 0;
 230         }
 231 }
 232
 233 static inline bool iwl_is_tx_success(u32 status)
 234 {
 235         status &= TX_STATUS_MSK;
 236         return (status == TX_STATUS_SUCCESS) ||
 237                (status == TX_STATUS_DIRECT_DONE);
 238 }
 239
 240 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 241
 242 /* scan */
 243 void iwlagn_post_scan(struct iwl_priv *priv);
 244 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 245 void iwl_init_scan_params(struct iwl_priv *priv);
 246 int iwl_scan_cancel(struct iwl_priv *priv);
 247 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 248 void iwl_force_scan_end(struct iwl_priv *priv);
 249 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 250 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 251 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 252 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 253 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 254                                    struct ieee80211_vif *vif,
 255                                    enum iwl_scan_type scan_type,
 256                                    enum nl80211_band band);
 257
 258 /* For faster active scanning, scan will move to the next channel if fewer than
 259  * PLCP_QUIET_THRESH packets are heard on this channel within
 260  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 261  * time if it's a quiet channel (nothing responded to our probe, and there's
 262  * no other traffic).
 263  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 264 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 265 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 266
 267 #define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 268
 269
 270 /* bt coex */
 271 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 272 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 273 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 274 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 275 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 276 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 277
 278 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 279 {
 280         return priv->lib->bt_params &&
 281                priv->lib->bt_params->advanced_bt_coexist;
 282 }
 283
 284 #ifdef CONFIG_IWLWIFI_DEBUG
 285 const char *iwl_get_tx_fail_reason(u32 status);
 286 const char *iwl_get_agg_tx_fail_reason(u16 status);
 287 #else
 288 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 289 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 290 #endif
 291
 292
 293 /* station management */
 294 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 295                                struct ieee80211_vif *vif, bool add);
 296 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 297 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 298 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 299                                             being activated */
 300 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 301                                 (this is for the IBSS BSSID stations) */
 302 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 303
 304
 305 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 306 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 307                               struct iwl_rxon_context *ctx);
 308 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 309 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 310 int iwl_send_add_sta(struct iwl_priv *priv,
 311                      struct iwl_addsta_cmd *sta, u8 flags);
 312 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 313                            const u8 *addr, bool is_ap,
 314                            struct ieee80211_sta *sta, u8 *sta_id_r);
 315 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 316                        const u8 *addr);
 317 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 318                             const u8 *addr);
 319 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 320                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 321
 322 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 323                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 324 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 325 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 326                       struct ieee80211_sta *sta);
 327
 328 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 329                             struct iwl_rxon_context *ctx,
 330                             struct ieee80211_sta *sta);
 331
 332 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 333 {
 334         if (WARN_ON(!sta))
 335                 return IWL_INVALID_STATION;
 336
 337         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 338 }
 339
 340 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 341                                struct iwl_rxon_context *ctx);
 342 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 343                              const u8 *addr, u8 *sta_id_r);
 344 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 345                                struct iwl_rxon_context *ctx,
 346                                struct ieee80211_key_conf *key);
 347 int iwl_set_default_wep_key(struct iwl_priv *priv,
 348                             struct iwl_rxon_context *ctx,
 349                             struct ieee80211_key_conf *key);
 350 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 351                                  struct iwl_rxon_context *ctx);
 352 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 353                         struct ieee80211_key_conf *key,
 354                         struct ieee80211_sta *sta);
 355 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 356                            struct ieee80211_key_conf *key,
 357                            struct ieee80211_sta *sta);
 358 void iwl_update_tkip_key(struct iwl_priv *priv,
 359                          struct ieee80211_vif *vif,
 360                          struct ieee80211_key_conf *keyconf,
 361                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 362 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 363 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 364                          int tid, u16 ssn);
 365 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 366                         int tid);
 367 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 368 int iwl_update_bcast_station(struct iwl_priv *priv,
 369                              struct iwl_rxon_context *ctx);
 370 int iwl_update_bcast_stations(struct iwl_priv *priv);
 371
 372 /* rate */
 373 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 374 {
 375         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 376 }
 377
 378 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 379 {
 380         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 381 }
 382
 383 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 384 {
 385         return cpu_to_le32(flags|(u32)rate);
 386 }
 387
 388 int iwl_alive_start(struct iwl_priv *priv);
 389
 390 #ifdef CONFIG_IWLWIFI_DEBUG
 391 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 392                              enum iwl_rxon_context_id ctxid);
 393 #else
 394 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 395                                            enum iwl_rxon_context_id ctxid)
 396 {
 397 }
 398 #endif
 399
 400 /* status checks */
 401
 402 static inline int iwl_is_ready(struct iwl_priv *priv)
 403 {
 404         /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 405         return test_bit(STATUS_READY, &priv->status) &&
 406                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 407 }
 408
 409 static inline int iwl_is_alive(struct iwl_priv *priv)
 410 {
 411         return test_bit(STATUS_ALIVE, &priv->status);
 412 }
 413
 414 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 415 {
 416         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 417 }
 418
 419 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 420 {
 421         return test_bit(STATUS_CT_KILL, &priv->status);
 422 }
 423
 424 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 425 {
 426         if (iwl_is_rfkill(priv))
 427                 return 0;
 428
 429         return iwl_is_ready(priv);
 430 }
 431
 432 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 433 {
 434         if (state)
 435                 set_bit(STATUS_POWER_PMI, &priv->status);
 436         else
 437                 clear_bit(STATUS_POWER_PMI, &priv->status);
 438         iwl_trans_set_pmi(priv->trans, state);
 439 }
 440
 441 #ifdef CONFIG_IWLWIFI_DEBUGFS
 442 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 443 #else
 444 static inline void iwl_dbgfs_register(struct iwl_priv *priv,
 445                                       struct dentry *dbgfs_dir) { }
 446 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 447
 448 #ifdef CONFIG_IWLWIFI_DEBUG
 449 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 450 do {                                                                    \
 451         if (!iwl_is_rfkill((m)))                                        \
 452                 IWL_ERR(m, fmt, ##args);                                \
 453         else                                                            \
 454                 __iwl_err((m)->dev, true,                               \
 455                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 456                           fmt, ##args);                                 \
 457 } while (0)
 458 #else
 459 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 460 do {                                                                    \
 461         if (!iwl_is_rfkill((m)))                                        \
 462                 IWL_ERR(m, fmt, ##args);                                \
 463         else                                                            \
 464                 __iwl_err((m)->dev, true, true, fmt, ##args);   \
 465 } while (0)
 466 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 467
 468 #endif /* __iwl_agn_h__ */