drivers/net/wireless/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 - 2013 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.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called COPYING.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <ilw@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  *
  40  *  * Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  *  * Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
  45  *    distribution.
  46  *  * Neither the name Intel Corporation nor the names of its
  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
  49  *
  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
  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  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 struct iwl_lib_ops iwl1000_lib;
  80 extern struct iwl_lib_ops iwl2000_lib;
  81 extern struct iwl_lib_ops iwl2030_lib;
  82 extern struct iwl_lib_ops iwl5000_lib;
  83 extern struct iwl_lib_ops iwl5150_lib;
  84 extern struct iwl_lib_ops iwl6000_lib;
  85 extern struct iwl_lib_ops iwl6030_lib;
  86
  87
  88 #define TIME_UNIT               1024
  89
  90 /*****************************************************
  91 * DRIVER STATUS FUNCTIONS
  92 ******************************************************/
  93 #define STATUS_RF_KILL_HW       0
  94 #define STATUS_CT_KILL          1
  95 #define STATUS_ALIVE            2
  96 #define STATUS_READY            3
  97 #define STATUS_EXIT_PENDING     5
  98 #define STATUS_STATISTICS       6
  99 #define STATUS_SCANNING         7
 100 #define STATUS_SCAN_ABORTING    8
 101 #define STATUS_SCAN_HW          9
 102 #define STATUS_FW_ERROR         10
 103 #define STATUS_CHANNEL_SWITCH_PENDING 11
 104 #define STATUS_SCAN_COMPLETE    12
 105 #define STATUS_POWER_PMI        13
 106 #define STATUS_SCAN_ROC_EXPIRED 14
 107
 108 struct iwl_ucode_capabilities;
 109
 110 extern struct ieee80211_ops iwlagn_hw_ops;
 111
 112 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 113 {
 114         hdr->op_code = cmd;
 115         hdr->first_group = 0;
 116         hdr->groups_num = 1;
 117         hdr->data_valid = 1;
 118 }
 119
 120 void iwl_down(struct iwl_priv *priv);
 121 void iwl_cancel_deferred_work(struct iwl_priv *priv);
 122 void iwlagn_prepare_restart(struct iwl_priv *priv);
 123 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 124                                  struct iwl_rx_cmd_buffer *rxb,
 125                                  struct iwl_device_cmd *cmd);
 126
 127 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 128
 129 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 130
 131 /* MAC80211 */
 132 struct ieee80211_hw *iwl_alloc_all(void);
 133 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 134                               const struct iwl_ucode_capabilities *capa);
 135 void iwlagn_mac_unregister(struct iwl_priv *priv);
 136
 137 /* commands */
 138 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 139 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 140                          u32 flags, u16 len, const void *data);
 141
 142 /* RXON */
 143 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 144                                    struct iwl_rxon_context *ctx);
 145 int iwlagn_set_pan_params(struct iwl_priv *priv);
 146 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 147 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 148 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 149 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 150                              struct ieee80211_vif *vif,
 151                              struct ieee80211_bss_conf *bss_conf,
 152                              u32 changes);
 153 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 154                         struct iwl_rxon_context *ctx);
 155 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 156 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 157                          struct iwl_rxon_context *ctx);
 158 void iwl_set_flags_for_band(struct iwl_priv *priv,
 159                             struct iwl_rxon_context *ctx,
 160                             enum ieee80211_band band,
 161                             struct ieee80211_vif *vif);
 162
 163 /* uCode */
 164 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 165 void iwl_send_prio_tbl(struct iwl_priv *priv);
 166 int iwl_init_alive_start(struct iwl_priv *priv);
 167 int iwl_run_init_ucode(struct iwl_priv *priv);
 168 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 169                               enum iwl_ucode_type ucode_type);
 170 int iwl_send_calib_results(struct iwl_priv *priv);
 171 int iwl_calib_set(struct iwl_priv *priv,
 172                   const struct iwl_calib_hdr *cmd, int len);
 173 void iwl_calib_free_results(struct iwl_priv *priv);
 174 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 175                             char **buf, bool display);
 176 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 177
 178 /* lib */
 179 int iwlagn_send_tx_power(struct iwl_priv *priv);
 180 void iwlagn_temperature(struct iwl_priv *priv);
 181 int iwlagn_txfifo_flush(struct iwl_priv *priv);
 182 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 183 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 184 int iwl_send_statistics_request(struct iwl_priv *priv,
 185                                 u8 flags, bool clear);
 186
 187 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 188                         struct iwl_priv *priv, enum ieee80211_band band)
 189 {
 190         return priv->hw->wiphy->bands[band];
 191 }
 192
 193 #ifdef CONFIG_PM_SLEEP
 194 int iwlagn_send_patterns(struct iwl_priv *priv,
 195                          struct cfg80211_wowlan *wowlan);
 196 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 197 #endif
 198
 199 /* rx */
 200 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 201 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 202 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 203
 204
 205 /* tx */
 206 int iwlagn_tx_skb(struct iwl_priv *priv,
 207                   struct ieee80211_sta *sta,
 208                   struct sk_buff *skb);
 209 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 210                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 211 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 212                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 213 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 214                        struct ieee80211_sta *sta, u16 tid);
 215 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 216                                    struct iwl_rx_cmd_buffer *rxb,
 217                                    struct iwl_device_cmd *cmd);
 218 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 219                                struct iwl_device_cmd *cmd);
 220
 221 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 222 {
 223         status &= TX_STATUS_MSK;
 224
 225         switch (status) {
 226         case TX_STATUS_SUCCESS:
 227         case TX_STATUS_DIRECT_DONE:
 228                 return IEEE80211_TX_STAT_ACK;
 229         case TX_STATUS_FAIL_DEST_PS:
 230         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 231                 return IEEE80211_TX_STAT_TX_FILTERED;
 232         default:
 233                 return 0;
 234         }
 235 }
 236
 237 static inline bool iwl_is_tx_success(u32 status)
 238 {
 239         status &= TX_STATUS_MSK;
 240         return (status == TX_STATUS_SUCCESS) ||
 241                (status == TX_STATUS_DIRECT_DONE);
 242 }
 243
 244 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 245
 246 /* scan */
 247 void iwlagn_post_scan(struct iwl_priv *priv);
 248 void iwlagn_disable_roc(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 ieee80211_band band);
 262
 263 void iwl_scan_roc_expired(struct iwl_priv *priv);
 264 void iwl_scan_offchannel_skb(struct iwl_priv *priv);
 265 void iwl_scan_offchannel_skb_status(struct iwl_priv *priv);
 266
 267 /* For faster active scanning, scan will move to the next channel if fewer than
 268  * PLCP_QUIET_THRESH packets are heard on this channel within
 269  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 270  * time if it's a quiet channel (nothing responded to our probe, and there's
 271  * no other traffic).
 272  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 273 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 274 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 275
 276 #define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 277
 278
 279 /* bt coex */
 280 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 281 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 282                                   struct iwl_rx_cmd_buffer *rxb,
 283                                   struct iwl_device_cmd *cmd);
 284 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 285 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 286 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 287 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 288 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 289
 290 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 291 {
 292         return priv->cfg->bt_params &&
 293                priv->cfg->bt_params->advanced_bt_coexist;
 294 }
 295
 296 #ifdef CONFIG_IWLWIFI_DEBUG
 297 const char *iwl_get_tx_fail_reason(u32 status);
 298 const char *iwl_get_agg_tx_fail_reason(u16 status);
 299 #else
 300 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 301 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 302 #endif
 303
 304
 305 /* station management */
 306 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 307                                struct ieee80211_vif *vif, bool add);
 308 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 309 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 310 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 311                                             being activated */
 312 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 313                                 (this is for the IBSS BSSID stations) */
 314 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 315
 316
 317 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 318 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 319                               struct iwl_rxon_context *ctx);
 320 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 321 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 322 int iwl_send_add_sta(struct iwl_priv *priv,
 323                      struct iwl_addsta_cmd *sta, u8 flags);
 324 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 325                            const u8 *addr, bool is_ap,
 326                            struct ieee80211_sta *sta, u8 *sta_id_r);
 327 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 328                        const u8 *addr);
 329 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 330                             const u8 *addr);
 331 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 332                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 333
 334 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 335                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 336 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 337                                struct iwl_device_cmd *cmd);
 338 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 339                       struct ieee80211_sta *sta);
 340
 341 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 342                             struct iwl_rxon_context *ctx,
 343                             struct ieee80211_sta *sta);
 344
 345 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 346 {
 347         if (WARN_ON(!sta))
 348                 return IWL_INVALID_STATION;
 349
 350         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 351 }
 352
 353 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 354                                struct iwl_rxon_context *ctx);
 355 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 356                              const u8 *addr, u8 *sta_id_r);
 357 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 358                                struct iwl_rxon_context *ctx,
 359                                struct ieee80211_key_conf *key);
 360 int iwl_set_default_wep_key(struct iwl_priv *priv,
 361                             struct iwl_rxon_context *ctx,
 362                             struct ieee80211_key_conf *key);
 363 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 364                                  struct iwl_rxon_context *ctx);
 365 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 366                         struct ieee80211_key_conf *key,
 367                         struct ieee80211_sta *sta);
 368 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 369                            struct ieee80211_key_conf *key,
 370                            struct ieee80211_sta *sta);
 371 void iwl_update_tkip_key(struct iwl_priv *priv,
 372                          struct ieee80211_vif *vif,
 373                          struct ieee80211_key_conf *keyconf,
 374                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 375 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 376 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 377                          int tid, u16 ssn);
 378 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 379                         int tid);
 380 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 381 int iwl_update_bcast_station(struct iwl_priv *priv,
 382                              struct iwl_rxon_context *ctx);
 383 int iwl_update_bcast_stations(struct iwl_priv *priv);
 384
 385 /* rate */
 386 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 387 {
 388         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 389 }
 390
 391 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 392 {
 393         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 394 }
 395
 396 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 397 {
 398         return cpu_to_le32(flags|(u32)rate);
 399 }
 400
 401 extern int iwl_alive_start(struct iwl_priv *priv);
 402
 403 /* testmode support */
 404 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 405
 406 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
 407                                    int len);
 408 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
 409                                     struct sk_buff *skb,
 410                                     struct netlink_callback *cb,
 411                                     void *data, int len);
 412 extern void iwl_testmode_init(struct iwl_priv *priv);
 413 extern void iwl_testmode_free(struct iwl_priv *priv);
 414
 415 #else
 416
 417 static inline
 418 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
 419 {
 420         return -ENOSYS;
 421 }
 422
 423 static inline
 424 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
 425                       struct netlink_callback *cb,
 426                       void *data, int len)
 427 {
 428         return -ENOSYS;
 429 }
 430
 431 static inline void iwl_testmode_init(struct iwl_priv *priv)
 432 {
 433 }
 434
 435 static inline void iwl_testmode_free(struct iwl_priv *priv)
 436 {
 437 }
 438 #endif
 439
 440 #ifdef CONFIG_IWLWIFI_DEBUG
 441 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 442                              enum iwl_rxon_context_id ctxid);
 443 #else
 444 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 445                                            enum iwl_rxon_context_id ctxid)
 446 {
 447 }
 448 #endif
 449
 450 /* status checks */
 451
 452 static inline int iwl_is_ready(struct iwl_priv *priv)
 453 {
 454         /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 455         return test_bit(STATUS_READY, &priv->status) &&
 456                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 457 }
 458
 459 static inline int iwl_is_alive(struct iwl_priv *priv)
 460 {
 461         return test_bit(STATUS_ALIVE, &priv->status);
 462 }
 463
 464 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 465 {
 466         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 467 }
 468
 469 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 470 {
 471         return test_bit(STATUS_CT_KILL, &priv->status);
 472 }
 473
 474 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 475 {
 476         if (iwl_is_rfkill(priv))
 477                 return 0;
 478
 479         return iwl_is_ready(priv);
 480 }
 481
 482 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 483 {
 484         if (state)
 485                 set_bit(STATUS_POWER_PMI, &priv->status);
 486         else
 487                 clear_bit(STATUS_POWER_PMI, &priv->status);
 488         iwl_trans_set_pmi(priv->trans, state);
 489 }
 490
 491 #ifdef CONFIG_IWLWIFI_DEBUGFS
 492 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 493 #else
 494 static inline int iwl_dbgfs_register(struct iwl_priv *priv,
 495                                      struct dentry *dbgfs_dir)
 496 {
 497         return 0;
 498 }
 499 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 500
 501 #ifdef CONFIG_IWLWIFI_DEBUG
 502 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 503 do {                                                                    \
 504         if (!iwl_is_rfkill((m)))                                        \
 505                 IWL_ERR(m, fmt, ##args);                                \
 506         else                                                            \
 507                 __iwl_err((m)->dev, true,                               \
 508                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 509                           fmt, ##args);                                 \
 510 } while (0)
 511 #else
 512 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 513 do {                                                                    \
 514         if (!iwl_is_rfkill((m)))                                        \
 515                 IWL_ERR(m, fmt, ##args);                                \
 516         else                                                            \
 517                 __iwl_err((m)->dev, true, true, fmt, ##args);   \
 518 } while (0)
 519 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 520
 521 extern const char *iwl_dvm_cmd_strings[REPLY_MAX];
 522
 523 static inline const char *iwl_dvm_get_cmd_string(u8 cmd)
 524 {
 525         const char *s = iwl_dvm_cmd_strings[cmd];
 526         if (s)
 527                 return s;
 528         return "UNKNOWN";
 529 }
 530 #endif /* __iwl_agn_h__ */