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

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   6  * GPL LICENSE SUMMARY
   7  *
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  11  * it under the terms of version 2 of the GNU General Public License as
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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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  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 /* device operations */
  77 extern struct iwl_lib_ops iwl1000_lib;
  78 extern struct iwl_lib_ops iwl2000_lib;
  79 extern struct iwl_lib_ops iwl2030_lib;
  80 extern struct iwl_lib_ops iwl5000_lib;
  81 extern struct iwl_lib_ops iwl5150_lib;
  82 extern struct iwl_lib_ops iwl6000_lib;
  83 extern struct iwl_lib_ops iwl6030_lib;
  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 #define STATUS_SCAN_ROC_EXPIRED 14
 105
 106 struct iwl_ucode_capabilities;
 107
 108 extern struct ieee80211_ops iwlagn_hw_ops;
 109
 110 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 111 {
 112         hdr->op_code = cmd;
 113         hdr->first_group = 0;
 114         hdr->groups_num = 1;
 115         hdr->data_valid = 1;
 116 }
 117
 118 void iwl_down(struct iwl_priv *priv);
 119 void iwl_cancel_deferred_work(struct iwl_priv *priv);
 120 void iwlagn_prepare_restart(struct iwl_priv *priv);
 121 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 122                                  struct iwl_rx_cmd_buffer *rxb,
 123                                  struct iwl_device_cmd *cmd);
 124
 125 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 126
 127 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 128
 129 /* MAC80211 */
 130 struct ieee80211_hw *iwl_alloc_all(void);
 131 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 132                               const struct iwl_ucode_capabilities *capa);
 133 void iwlagn_mac_unregister(struct iwl_priv *priv);
 134
 135 /* commands */
 136 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 137 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 138                          u32 flags, u16 len, const void *data);
 139
 140 /* RXON */
 141 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 142                                    struct iwl_rxon_context *ctx);
 143 int iwlagn_set_pan_params(struct iwl_priv *priv);
 144 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 145 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 146 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 147 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 148                              struct ieee80211_vif *vif,
 149                              struct ieee80211_bss_conf *bss_conf,
 150                              u32 changes);
 151 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 152                         struct iwl_rxon_context *ctx);
 153 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 154 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 155                          struct iwl_rxon_context *ctx);
 156 void iwl_set_flags_for_band(struct iwl_priv *priv,
 157                             struct iwl_rxon_context *ctx,
 158                             enum ieee80211_band band,
 159                             struct ieee80211_vif *vif);
 160
 161 /* uCode */
 162 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 163 void iwl_send_prio_tbl(struct iwl_priv *priv);
 164 int iwl_init_alive_start(struct iwl_priv *priv);
 165 int iwl_run_init_ucode(struct iwl_priv *priv);
 166 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 167                               enum iwl_ucode_type ucode_type);
 168 int iwl_send_calib_results(struct iwl_priv *priv);
 169 int iwl_calib_set(struct iwl_priv *priv,
 170                   const struct iwl_calib_hdr *cmd, int len);
 171 void iwl_calib_free_results(struct iwl_priv *priv);
 172 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 173                             char **buf, bool display);
 174 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 175
 176 /* lib */
 177 int iwlagn_send_tx_power(struct iwl_priv *priv);
 178 void iwlagn_temperature(struct iwl_priv *priv);
 179 int iwlagn_txfifo_flush(struct iwl_priv *priv);
 180 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 181 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 182 int iwl_send_statistics_request(struct iwl_priv *priv,
 183                                 u8 flags, bool clear);
 184
 185 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 186                         struct iwl_priv *priv, enum ieee80211_band band)
 187 {
 188         return priv->hw->wiphy->bands[band];
 189 }
 190
 191 #ifdef CONFIG_PM_SLEEP
 192 int iwlagn_send_patterns(struct iwl_priv *priv,
 193                          struct cfg80211_wowlan *wowlan);
 194 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 195 #endif
 196
 197 /* rx */
 198 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 199 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 200 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 201
 202
 203 /* tx */
 204 int iwlagn_tx_skb(struct iwl_priv *priv,
 205                   struct ieee80211_sta *sta,
 206                   struct sk_buff *skb);
 207 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 208                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 209 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 210                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 211 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 212                        struct ieee80211_sta *sta, u16 tid);
 213 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 214                                    struct iwl_rx_cmd_buffer *rxb,
 215                                    struct iwl_device_cmd *cmd);
 216 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 217                                struct iwl_device_cmd *cmd);
 218
 219 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 220 {
 221         status &= TX_STATUS_MSK;
 222
 223         switch (status) {
 224         case TX_STATUS_SUCCESS:
 225         case TX_STATUS_DIRECT_DONE:
 226                 return IEEE80211_TX_STAT_ACK;
 227         case TX_STATUS_FAIL_DEST_PS:
 228         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 229                 return IEEE80211_TX_STAT_TX_FILTERED;
 230         default:
 231                 return 0;
 232         }
 233 }
 234
 235 static inline bool iwl_is_tx_success(u32 status)
 236 {
 237         status &= TX_STATUS_MSK;
 238         return (status == TX_STATUS_SUCCESS) ||
 239                (status == TX_STATUS_DIRECT_DONE);
 240 }
 241
 242 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 243
 244 /* scan */
 245 void iwlagn_post_scan(struct iwl_priv *priv);
 246 void iwlagn_disable_roc(struct iwl_priv *priv);
 247 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 248 void iwl_init_scan_params(struct iwl_priv *priv);
 249 int iwl_scan_cancel(struct iwl_priv *priv);
 250 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 251 void iwl_force_scan_end(struct iwl_priv *priv);
 252 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 253 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 254 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 255 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 256 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 257                                    struct ieee80211_vif *vif,
 258                                    enum iwl_scan_type scan_type,
 259                                    enum ieee80211_band band);
 260
 261 void iwl_scan_roc_expired(struct iwl_priv *priv);
 262 void iwl_scan_offchannel_skb(struct iwl_priv *priv);
 263 void iwl_scan_offchannel_skb_status(struct iwl_priv *priv);
 264
 265 /* For faster active scanning, scan will move to the next channel if fewer than
 266  * PLCP_QUIET_THRESH packets are heard on this channel within
 267  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 268  * time if it's a quiet channel (nothing responded to our probe, and there's
 269  * no other traffic).
 270  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 271 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 272 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 273
 274 #define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 275
 276
 277 /* bt coex */
 278 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 279 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 280                                   struct iwl_rx_cmd_buffer *rxb,
 281                                   struct iwl_device_cmd *cmd);
 282 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 283 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 284 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 285 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 286 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 287
 288 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 289 {
 290         return priv->cfg->bt_params &&
 291                priv->cfg->bt_params->advanced_bt_coexist;
 292 }
 293
 294 #ifdef CONFIG_IWLWIFI_DEBUG
 295 const char *iwl_get_tx_fail_reason(u32 status);
 296 const char *iwl_get_agg_tx_fail_reason(u16 status);
 297 #else
 298 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 299 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 300 #endif
 301
 302
 303 /* station management */
 304 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 305                                struct ieee80211_vif *vif, bool add);
 306 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 307 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 308 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 309                                             being activated */
 310 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 311                                 (this is for the IBSS BSSID stations) */
 312 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 313
 314
 315 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 316 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 317                               struct iwl_rxon_context *ctx);
 318 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 319 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 320 int iwl_send_add_sta(struct iwl_priv *priv,
 321                      struct iwl_addsta_cmd *sta, u8 flags);
 322 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 323                            const u8 *addr, bool is_ap,
 324                            struct ieee80211_sta *sta, u8 *sta_id_r);
 325 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 326                        const u8 *addr);
 327 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 328                             const u8 *addr);
 329 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 330                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 331
 332 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 333                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 334 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 335                                struct iwl_device_cmd *cmd);
 336 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 337                       struct ieee80211_sta *sta);
 338
 339 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 340                             struct iwl_rxon_context *ctx,
 341                             struct ieee80211_sta_ht_cap *ht_cap);
 342
 343 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 344 {
 345         if (WARN_ON(!sta))
 346                 return IWL_INVALID_STATION;
 347
 348         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 349 }
 350
 351 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 352                                struct iwl_rxon_context *ctx);
 353 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 354                              const u8 *addr, u8 *sta_id_r);
 355 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 356                                struct iwl_rxon_context *ctx,
 357                                struct ieee80211_key_conf *key);
 358 int iwl_set_default_wep_key(struct iwl_priv *priv,
 359                             struct iwl_rxon_context *ctx,
 360                             struct ieee80211_key_conf *key);
 361 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 362                                  struct iwl_rxon_context *ctx);
 363 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 364                         struct ieee80211_key_conf *key,
 365                         struct ieee80211_sta *sta);
 366 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 367                            struct ieee80211_key_conf *key,
 368                            struct ieee80211_sta *sta);
 369 void iwl_update_tkip_key(struct iwl_priv *priv,
 370                          struct ieee80211_vif *vif,
 371                          struct ieee80211_key_conf *keyconf,
 372                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 373 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 374 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 375                          int tid, u16 ssn);
 376 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 377                         int tid);
 378 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 379 int iwl_update_bcast_station(struct iwl_priv *priv,
 380                              struct iwl_rxon_context *ctx);
 381 int iwl_update_bcast_stations(struct iwl_priv *priv);
 382
 383 /* rate */
 384 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 385 {
 386         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 387 }
 388
 389 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 390 {
 391         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 392 }
 393
 394 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 395 {
 396         return cpu_to_le32(flags|(u32)rate);
 397 }
 398
 399 extern int iwl_alive_start(struct iwl_priv *priv);
 400
 401 /* testmode support */
 402 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 403
 404 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
 405                                    int len);
 406 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
 407                                     struct sk_buff *skb,
 408                                     struct netlink_callback *cb,
 409                                     void *data, int len);
 410 extern void iwl_testmode_init(struct iwl_priv *priv);
 411 extern void iwl_testmode_free(struct iwl_priv *priv);
 412
 413 #else
 414
 415 static inline
 416 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
 417 {
 418         return -ENOSYS;
 419 }
 420
 421 static inline
 422 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
 423                       struct netlink_callback *cb,
 424                       void *data, int len)
 425 {
 426         return -ENOSYS;
 427 }
 428
 429 static inline void iwl_testmode_init(struct iwl_priv *priv)
 430 {
 431 }
 432
 433 static inline void iwl_testmode_free(struct iwl_priv *priv)
 434 {
 435 }
 436 #endif
 437
 438 #ifdef CONFIG_IWLWIFI_DEBUG
 439 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 440                              enum iwl_rxon_context_id ctxid);
 441 #else
 442 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 443                                            enum iwl_rxon_context_id ctxid)
 444 {
 445 }
 446 #endif
 447
 448 /* status checks */
 449
 450 static inline int iwl_is_ready(struct iwl_priv *priv)
 451 {
 452         /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 453         return test_bit(STATUS_READY, &priv->status) &&
 454                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 455 }
 456
 457 static inline int iwl_is_alive(struct iwl_priv *priv)
 458 {
 459         return test_bit(STATUS_ALIVE, &priv->status);
 460 }
 461
 462 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 463 {
 464         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 465 }
 466
 467 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 468 {
 469         return test_bit(STATUS_CT_KILL, &priv->status);
 470 }
 471
 472 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 473 {
 474         if (iwl_is_rfkill(priv))
 475                 return 0;
 476
 477         return iwl_is_ready(priv);
 478 }
 479
 480 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 481 {
 482         if (state)
 483                 set_bit(STATUS_POWER_PMI, &priv->status);
 484         else
 485                 clear_bit(STATUS_POWER_PMI, &priv->status);
 486         iwl_trans_set_pmi(priv->trans, state);
 487 }
 488
 489 #ifdef CONFIG_IWLWIFI_DEBUGFS
 490 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 491 #else
 492 static inline int iwl_dbgfs_register(struct iwl_priv *priv,
 493                                      struct dentry *dbgfs_dir)
 494 {
 495         return 0;
 496 }
 497 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 498
 499 #ifdef CONFIG_IWLWIFI_DEBUG
 500 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 501 do {                                                                    \
 502         if (!iwl_is_rfkill((m)))                                        \
 503                 IWL_ERR(m, fmt, ##args);                                \
 504         else                                                            \
 505                 __iwl_err((m)->dev, true,                               \
 506                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 507                           fmt, ##args);                                 \
 508 } while (0)
 509 #else
 510 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 511 do {                                                                    \
 512         if (!iwl_is_rfkill((m)))                                        \
 513                 IWL_ERR(m, fmt, ##args);                                \
 514         else                                                            \
 515                 __iwl_err((m)->dev, true, true, fmt, ##args);   \
 516 } while (0)
 517 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 518
 519 extern const char *iwl_dvm_cmd_strings[REPLY_MAX];
 520
 521 static inline const char *iwl_dvm_get_cmd_string(u8 cmd)
 522 {
 523         const char *s = iwl_dvm_cmd_strings[cmd];
 524         if (s)
 525                 return s;
 526         return "UNKNOWN";
 527 }
 528 #endif /* __iwl_agn_h__ */