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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   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
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
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  20  * along with this program; if not, write to the Free Software
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  22  * USA
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  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <linuxwifi@intel.com>
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  30  *
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  41  *    notice, this list of conditions and the following disclaimer.
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  44  *    the documentation and/or other materials provided with the
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  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
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  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  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,
  55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  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 void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
 126                      struct iwl_rx_cmd_buffer *rxb);
 127
 128 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 129
 130 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 131
 132 /* MAC80211 */
 133 struct ieee80211_hw *iwl_alloc_all(void);
 134 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 135                               const struct iwl_ucode_capabilities *capa);
 136 void iwlagn_mac_unregister(struct iwl_priv *priv);
 137
 138 /* commands */
 139 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 140 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 141                          u32 flags, u16 len, const void *data);
 142
 143 /* RXON */
 144 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 145                                    struct iwl_rxon_context *ctx);
 146 int iwlagn_set_pan_params(struct iwl_priv *priv);
 147 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 148 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 149 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 150 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 151                              struct ieee80211_vif *vif,
 152                              struct ieee80211_bss_conf *bss_conf,
 153                              u32 changes);
 154 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 155                         struct iwl_rxon_context *ctx);
 156 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 157 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 158                          struct iwl_rxon_context *ctx);
 159 void iwl_set_flags_for_band(struct iwl_priv *priv,
 160                             struct iwl_rxon_context *ctx,
 161                             enum nl80211_band band,
 162                             struct ieee80211_vif *vif);
 163
 164 /* uCode */
 165 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 166 void iwl_send_prio_tbl(struct iwl_priv *priv);
 167 int iwl_init_alive_start(struct iwl_priv *priv);
 168 int iwl_run_init_ucode(struct iwl_priv *priv);
 169 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 170                               enum iwl_ucode_type ucode_type);
 171 int iwl_send_calib_results(struct iwl_priv *priv);
 172 int iwl_calib_set(struct iwl_priv *priv,
 173                   const struct iwl_calib_hdr *cmd, int len);
 174 void iwl_calib_free_results(struct iwl_priv *priv);
 175 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 176                             char **buf);
 177 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 178
 179 /* lib */
 180 int iwlagn_send_tx_power(struct iwl_priv *priv);
 181 void iwlagn_temperature(struct iwl_priv *priv);
 182 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
 183 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 184 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 185 int iwl_send_statistics_request(struct iwl_priv *priv,
 186                                 u8 flags, bool clear);
 187
 188 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 189                         struct iwl_priv *priv, enum nl80211_band band)
 190 {
 191         return priv->hw->wiphy->bands[band];
 192 }
 193
 194 #ifdef CONFIG_PM_SLEEP
 195 int iwlagn_send_patterns(struct iwl_priv *priv,
 196                          struct cfg80211_wowlan *wowlan);
 197 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 198 #endif
 199
 200 /* rx */
 201 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);
 202 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 203 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 204
 205
 206 /* tx */
 207 int iwlagn_tx_skb(struct iwl_priv *priv,
 208                   struct ieee80211_sta *sta,
 209                   struct sk_buff *skb);
 210 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 211                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 212 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 213                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 214 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 215                        struct ieee80211_sta *sta, u16 tid);
 216 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
 217                         struct ieee80211_sta *sta, u16 tid);
 218 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 219                                    struct iwl_rx_cmd_buffer *rxb);
 220 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 221
 222 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 223 {
 224         status &= TX_STATUS_MSK;
 225
 226         switch (status) {
 227         case TX_STATUS_SUCCESS:
 228         case TX_STATUS_DIRECT_DONE:
 229                 return IEEE80211_TX_STAT_ACK;
 230         case TX_STATUS_FAIL_DEST_PS:
 231         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 232                 return IEEE80211_TX_STAT_TX_FILTERED;
 233         default:
 234                 return 0;
 235         }
 236 }
 237
 238 static inline bool iwl_is_tx_success(u32 status)
 239 {
 240         status &= TX_STATUS_MSK;
 241         return (status == TX_STATUS_SUCCESS) ||
 242                (status == TX_STATUS_DIRECT_DONE);
 243 }
 244
 245 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 246
 247 /* scan */
 248 void iwlagn_post_scan(struct iwl_priv *priv);
 249 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 250 void iwl_init_scan_params(struct iwl_priv *priv);
 251 int iwl_scan_cancel(struct iwl_priv *priv);
 252 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 253 void iwl_force_scan_end(struct iwl_priv *priv);
 254 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 255 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 256 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 257 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 258 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 259                                    struct ieee80211_vif *vif,
 260                                    enum iwl_scan_type scan_type,
 261                                    enum nl80211_band band);
 262
 263 /* For faster active scanning, scan will move to the next channel if fewer than
 264  * PLCP_QUIET_THRESH packets are heard on this channel within
 265  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 266  * time if it's a quiet channel (nothing responded to our probe, and there's
 267  * no other traffic).
 268  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 269 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 270 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 271
 272 #define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 273
 274
 275 /* bt coex */
 276 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 277 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 278 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 279 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 280 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 281 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 282
 283 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 284 {
 285         return priv->lib->bt_params &&
 286                priv->lib->bt_params->advanced_bt_coexist;
 287 }
 288
 289 #ifdef CONFIG_IWLWIFI_DEBUG
 290 const char *iwl_get_tx_fail_reason(u32 status);
 291 const char *iwl_get_agg_tx_fail_reason(u16 status);
 292 #else
 293 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 294 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 295 #endif
 296
 297
 298 /* station management */
 299 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 300                                struct ieee80211_vif *vif, bool add);
 301 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 302 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 303 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 304                                             being activated */
 305 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 306                                 (this is for the IBSS BSSID stations) */
 307 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 308
 309
 310 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 311 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 312                               struct iwl_rxon_context *ctx);
 313 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 314 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 315 int iwl_send_add_sta(struct iwl_priv *priv,
 316                      struct iwl_addsta_cmd *sta, u8 flags);
 317 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 318                            const u8 *addr, bool is_ap,
 319                            struct ieee80211_sta *sta, u8 *sta_id_r);
 320 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 321                        const u8 *addr);
 322 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 323                             const u8 *addr);
 324 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 325                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 326
 327 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 328                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 329 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 330 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 331                       struct ieee80211_sta *sta);
 332
 333 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 334                             struct iwl_rxon_context *ctx,
 335                             struct ieee80211_sta *sta);
 336
 337 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 338 {
 339         if (WARN_ON(!sta))
 340                 return IWL_INVALID_STATION;
 341
 342         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 343 }
 344
 345 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 346                                struct iwl_rxon_context *ctx);
 347 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 348                              const u8 *addr, u8 *sta_id_r);
 349 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 350                                struct iwl_rxon_context *ctx,
 351                                struct ieee80211_key_conf *key);
 352 int iwl_set_default_wep_key(struct iwl_priv *priv,
 353                             struct iwl_rxon_context *ctx,
 354                             struct ieee80211_key_conf *key);
 355 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 356                                  struct iwl_rxon_context *ctx);
 357 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 358                         struct ieee80211_key_conf *key,
 359                         struct ieee80211_sta *sta);
 360 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 361                            struct ieee80211_key_conf *key,
 362                            struct ieee80211_sta *sta);
 363 void iwl_update_tkip_key(struct iwl_priv *priv,
 364                          struct ieee80211_vif *vif,
 365                          struct ieee80211_key_conf *keyconf,
 366                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 367 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 368 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 369                          int tid, u16 ssn);
 370 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 371                         int tid);
 372 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 373 int iwl_update_bcast_station(struct iwl_priv *priv,
 374                              struct iwl_rxon_context *ctx);
 375 int iwl_update_bcast_stations(struct iwl_priv *priv);
 376
 377 /* rate */
 378 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 379 {
 380         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 381 }
 382
 383 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 384 {
 385         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 386 }
 387
 388 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 389 {
 390         return cpu_to_le32(flags|(u32)rate);
 391 }
 392
 393 int iwl_alive_start(struct iwl_priv *priv);
 394
 395 #ifdef CONFIG_IWLWIFI_DEBUG
 396 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 397                              enum iwl_rxon_context_id ctxid);
 398 #else
 399 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 400                                            enum iwl_rxon_context_id ctxid)
 401 {
 402 }
 403 #endif
 404
 405 /* status checks */
 406
 407 static inline int iwl_is_ready(struct iwl_priv *priv)
 408 {
 409         /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 410         return test_bit(STATUS_READY, &priv->status) &&
 411                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 412 }
 413
 414 static inline int iwl_is_alive(struct iwl_priv *priv)
 415 {
 416         return test_bit(STATUS_ALIVE, &priv->status);
 417 }
 418
 419 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 420 {
 421         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 422 }
 423
 424 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 425 {
 426         return test_bit(STATUS_CT_KILL, &priv->status);
 427 }
 428
 429 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 430 {
 431         if (iwl_is_rfkill(priv))
 432                 return 0;
 433
 434         return iwl_is_ready(priv);
 435 }
 436
 437 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 438 {
 439         if (state)
 440                 set_bit(STATUS_POWER_PMI, &priv->status);
 441         else
 442                 clear_bit(STATUS_POWER_PMI, &priv->status);
 443         iwl_trans_set_pmi(priv->trans, state);
 444 }
 445
 446 #ifdef CONFIG_IWLWIFI_DEBUGFS
 447 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 448 #else
 449 static inline int iwl_dbgfs_register(struct iwl_priv *priv,
 450                                      struct dentry *dbgfs_dir)
 451 {
 452         return 0;
 453 }
 454 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 455
 456 #ifdef CONFIG_IWLWIFI_DEBUG
 457 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 458 do {                                                                    \
 459         if (!iwl_is_rfkill((m)))                                        \
 460                 IWL_ERR(m, fmt, ##args);                                \
 461         else                                                            \
 462                 __iwl_err((m)->dev, true,                               \
 463                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 464                           fmt, ##args);                                 \
 465 } while (0)
 466 #else
 467 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 468 do {                                                                    \
 469         if (!iwl_is_rfkill((m)))                                        \
 470                 IWL_ERR(m, fmt, ##args);                                \
 471         else                                                            \
 472                 __iwl_err((m)->dev, true, true, fmt, ##args);   \
 473 } while (0)
 474 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 475
 476 #endif /* __iwl_agn_h__ */