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

   1 /******************************************************************************
   2  *
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   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
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  20  * along with this program; if not, write to the Free Software
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  28  *  Intel Linux Wireless <ilw@linux.intel.com>
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  48  *    from this software without specific prior written permission.
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  51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *****************************************************************************/
  62
  63 #ifndef __iwl_agn_h__
  64 #define __iwl_agn_h__
  65
  66 #include "iwl-config.h"
  67
  68 #include "dev.h"
  69
  70 /* The first 11 queues (0-10) are used otherwise */
  71 #define IWLAGN_FIRST_AMPDU_QUEUE        11
  72
  73 /* AUX (TX during scan dwell) queue */
  74 #define IWL_AUX_QUEUE           10
  75
  76 #define IWL_INVALID_STATION     255
  77
  78 /* device operations */
  79 extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
  80 extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
  81 extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
  82 extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
  83 extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
  84 extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
  85 extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
  86 extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
  87 extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
  88 extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
  89
  90
  91 #define TIME_UNIT               1024
  92
  93 /*****************************************************
  94 * DRIVER STATUS FUNCTIONS
  95 ******************************************************/
  96 #define STATUS_RF_KILL_HW       0
  97 #define STATUS_CT_KILL          1
  98 #define STATUS_ALIVE            2
  99 #define STATUS_READY            3
 100 #define STATUS_EXIT_PENDING     5
 101 #define STATUS_STATISTICS       6
 102 #define STATUS_SCANNING         7
 103 #define STATUS_SCAN_ABORTING    8
 104 #define STATUS_SCAN_HW          9
 105 #define STATUS_FW_ERROR         10
 106 #define STATUS_CHANNEL_SWITCH_PENDING 11
 107 #define STATUS_SCAN_COMPLETE    12
 108 #define STATUS_POWER_PMI        13
 109
 110 struct iwl_ucode_capabilities;
 111
 112 extern const struct ieee80211_ops iwlagn_hw_ops;
 113
 114 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 115 {
 116         hdr->op_code = cmd;
 117         hdr->first_group = 0;
 118         hdr->groups_num = 1;
 119         hdr->data_valid = 1;
 120 }
 121
 122 void iwl_down(struct iwl_priv *priv);
 123 void iwl_cancel_deferred_work(struct iwl_priv *priv);
 124 void iwlagn_prepare_restart(struct iwl_priv *priv);
 125 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 126                                  struct iwl_rx_cmd_buffer *rxb,
 127                                  struct iwl_device_cmd *cmd);
 128
 129 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 130
 131 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 132
 133 /* MAC80211 */
 134 struct ieee80211_hw *iwl_alloc_all(void);
 135 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 136                               const struct iwl_ucode_capabilities *capa);
 137 void iwlagn_mac_unregister(struct iwl_priv *priv);
 138
 139 /* commands */
 140 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 141 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 142                          u32 flags, u16 len, const void *data);
 143
 144 /* RXON */
 145 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 146                                    struct iwl_rxon_context *ctx);
 147 int iwlagn_set_pan_params(struct iwl_priv *priv);
 148 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 149 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 150 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 151 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 152                              struct ieee80211_vif *vif,
 153                              struct ieee80211_bss_conf *bss_conf,
 154                              u32 changes);
 155 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 156                         struct iwl_rxon_context *ctx);
 157 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 158 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 159                          struct iwl_rxon_context *ctx);
 160 void iwl_set_flags_for_band(struct iwl_priv *priv,
 161                             struct iwl_rxon_context *ctx,
 162                             enum ieee80211_band band,
 163                             struct ieee80211_vif *vif);
 164
 165 /* uCode */
 166 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 167 void iwl_send_prio_tbl(struct iwl_priv *priv);
 168 int iwl_init_alive_start(struct iwl_priv *priv);
 169 int iwl_run_init_ucode(struct iwl_priv *priv);
 170 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 171                               enum iwl_ucode_type ucode_type);
 172 int iwl_send_calib_results(struct iwl_priv *priv);
 173 int iwl_calib_set(struct iwl_priv *priv,
 174                   const struct iwl_calib_hdr *cmd, int len);
 175 void iwl_calib_free_results(struct iwl_priv *priv);
 176 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 177                             char **buf);
 178 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 179
 180 /* lib */
 181 int iwlagn_send_tx_power(struct iwl_priv *priv);
 182 void iwlagn_temperature(struct iwl_priv *priv);
 183 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
 184 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 185 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 186 int iwl_send_statistics_request(struct iwl_priv *priv,
 187                                 u8 flags, bool clear);
 188
 189 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 190                         struct iwl_priv *priv, enum ieee80211_band band)
 191 {
 192         return priv->hw->wiphy->bands[band];
 193 }
 194
 195 #ifdef CONFIG_PM_SLEEP
 196 int iwlagn_send_patterns(struct iwl_priv *priv,
 197                          struct cfg80211_wowlan *wowlan);
 198 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 199 #endif
 200
 201 /* rx */
 202 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 203 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 204 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 205
 206
 207 /* tx */
 208 int iwlagn_tx_skb(struct iwl_priv *priv,
 209                   struct ieee80211_sta *sta,
 210                   struct sk_buff *skb);
 211 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 212                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 213 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 214                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 215 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 216                        struct ieee80211_sta *sta, u16 tid);
 217 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
 218                         struct ieee80211_sta *sta, u16 tid);
 219 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 220                                    struct iwl_rx_cmd_buffer *rxb);
 221 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 222
 223 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 224 {
 225         status &= TX_STATUS_MSK;
 226
 227         switch (status) {
 228         case TX_STATUS_SUCCESS:
 229         case TX_STATUS_DIRECT_DONE:
 230                 return IEEE80211_TX_STAT_ACK;
 231         case TX_STATUS_FAIL_DEST_PS:
 232         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 233                 return IEEE80211_TX_STAT_TX_FILTERED;
 234         default:
 235                 return 0;
 236         }
 237 }
 238
 239 static inline bool iwl_is_tx_success(u32 status)
 240 {
 241         status &= TX_STATUS_MSK;
 242         return (status == TX_STATUS_SUCCESS) ||
 243                (status == TX_STATUS_DIRECT_DONE);
 244 }
 245
 246 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 247
 248 /* scan */
 249 void iwlagn_post_scan(struct iwl_priv *priv);
 250 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 251 void iwl_init_scan_params(struct iwl_priv *priv);
 252 int iwl_scan_cancel(struct iwl_priv *priv);
 253 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 254 void iwl_force_scan_end(struct iwl_priv *priv);
 255 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 256 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 257 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 258 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 259 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 260                                    struct ieee80211_vif *vif,
 261                                    enum iwl_scan_type scan_type,
 262                                    enum ieee80211_band band);
 263
 264 /* For faster active scanning, scan will move to the next channel if fewer than
 265  * PLCP_QUIET_THRESH packets are heard on this channel within
 266  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 267  * time if it's a quiet channel (nothing responded to our probe, and there's
 268  * no other traffic).
 269  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 270 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 271 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 272
 273 #define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 274
 275
 276 /* bt coex */
 277 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 278 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 279 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 280 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 281 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 282 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 283
 284 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 285 {
 286         return priv->lib->bt_params &&
 287                priv->lib->bt_params->advanced_bt_coexist;
 288 }
 289
 290 #ifdef CONFIG_IWLWIFI_DEBUG
 291 const char *iwl_get_tx_fail_reason(u32 status);
 292 const char *iwl_get_agg_tx_fail_reason(u16 status);
 293 #else
 294 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 295 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 296 #endif
 297
 298
 299 /* station management */
 300 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 301                                struct ieee80211_vif *vif, bool add);
 302 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 303 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 304 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 305                                             being activated */
 306 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 307                                 (this is for the IBSS BSSID stations) */
 308 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 309
 310
 311 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 312 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 313                               struct iwl_rxon_context *ctx);
 314 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 315 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 316 int iwl_send_add_sta(struct iwl_priv *priv,
 317                      struct iwl_addsta_cmd *sta, u8 flags);
 318 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 319                            const u8 *addr, bool is_ap,
 320                            struct ieee80211_sta *sta, u8 *sta_id_r);
 321 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 322                        const u8 *addr);
 323 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 324                             const u8 *addr);
 325 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 326                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 327
 328 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 329                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 330 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 331 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 332                       struct ieee80211_sta *sta);
 333
 334 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 335                             struct iwl_rxon_context *ctx,
 336                             struct ieee80211_sta *sta);
 337
 338 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 339 {
 340         if (WARN_ON(!sta))
 341                 return IWL_INVALID_STATION;
 342
 343         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 344 }
 345
 346 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 347                                struct iwl_rxon_context *ctx);
 348 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 349                              const u8 *addr, u8 *sta_id_r);
 350 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 351                                struct iwl_rxon_context *ctx,
 352                                struct ieee80211_key_conf *key);
 353 int iwl_set_default_wep_key(struct iwl_priv *priv,
 354                             struct iwl_rxon_context *ctx,
 355                             struct ieee80211_key_conf *key);
 356 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 357                                  struct iwl_rxon_context *ctx);
 358 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 359                         struct ieee80211_key_conf *key,
 360                         struct ieee80211_sta *sta);
 361 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 362                            struct ieee80211_key_conf *key,
 363                            struct ieee80211_sta *sta);
 364 void iwl_update_tkip_key(struct iwl_priv *priv,
 365                          struct ieee80211_vif *vif,
 366                          struct ieee80211_key_conf *keyconf,
 367                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 368 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 369 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 370                          int tid, u16 ssn);
 371 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 372                         int tid);
 373 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 374 int iwl_update_bcast_station(struct iwl_priv *priv,
 375                              struct iwl_rxon_context *ctx);
 376 int iwl_update_bcast_stations(struct iwl_priv *priv);
 377
 378 /* rate */
 379 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 380 {
 381         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 382 }
 383
 384 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 385 {
 386         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 387 }
 388
 389 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 390 {
 391         return cpu_to_le32(flags|(u32)rate);
 392 }
 393
 394 int iwl_alive_start(struct iwl_priv *priv);
 395
 396 #ifdef CONFIG_IWLWIFI_DEBUG
 397 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 398                              enum iwl_rxon_context_id ctxid);
 399 #else
 400 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 401                                            enum iwl_rxon_context_id ctxid)
 402 {
 403 }
 404 #endif
 405
 406 /* status checks */
 407
 408 static inline int iwl_is_ready(struct iwl_priv *priv)
 409 {
 410         /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 411         return test_bit(STATUS_READY, &priv->status) &&
 412                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 413 }
 414
 415 static inline int iwl_is_alive(struct iwl_priv *priv)
 416 {
 417         return test_bit(STATUS_ALIVE, &priv->status);
 418 }
 419
 420 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 421 {
 422         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 423 }
 424
 425 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 426 {
 427         return test_bit(STATUS_CT_KILL, &priv->status);
 428 }
 429
 430 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 431 {
 432         if (iwl_is_rfkill(priv))
 433                 return 0;
 434
 435         return iwl_is_ready(priv);
 436 }
 437
 438 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 439 {
 440         if (state)
 441                 set_bit(STATUS_POWER_PMI, &priv->status);
 442         else
 443                 clear_bit(STATUS_POWER_PMI, &priv->status);
 444         iwl_trans_set_pmi(priv->trans, state);
 445 }
 446
 447 #ifdef CONFIG_IWLWIFI_DEBUGFS
 448 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 449 #else
 450 static inline int iwl_dbgfs_register(struct iwl_priv *priv,
 451                                      struct dentry *dbgfs_dir)
 452 {
 453         return 0;
 454 }
 455 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 456
 457 #ifdef CONFIG_IWLWIFI_DEBUG
 458 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 459 do {                                                                    \
 460         if (!iwl_is_rfkill((m)))                                        \
 461                 IWL_ERR(m, fmt, ##args);                                \
 462         else                                                            \
 463                 __iwl_err((m)->dev, true,                               \
 464                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 465                           fmt, ##args);                                 \
 466 } while (0)
 467 #else
 468 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 469 do {                                                                    \
 470         if (!iwl_is_rfkill((m)))                                        \
 471                 IWL_ERR(m, fmt, ##args);                                \
 472         else                                                            \
 473                 __iwl_err((m)->dev, true, true, fmt, ##args);   \
 474 } while (0)
 475 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 476
 477 extern const char *const iwl_dvm_cmd_strings[REPLY_MAX];
 478
 479 static inline const char *iwl_dvm_get_cmd_string(u8 cmd)
 480 {
 481         const char *s = iwl_dvm_cmd_strings[cmd];
 482         if (s)
 483                 return s;
 484         return "UNKNOWN";
 485 }
 486 #endif /* __iwl_agn_h__ */