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. 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 <linuxwifi@intel.com> 29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 * 31 * BSD LICENSE 32 * 33 * Copyright(c) 2005 - 2014 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 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__ */ 477