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 * The full GNU General Public License is included in this distribution 20 * in the file called COPYING. 21 * 22 * Contact Information: 23 * Intel Linux Wireless <linuxwifi@intel.com> 24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * * Neither the name Intel Corporation nor the names of its 42 * contributors may be used to endorse or promote products derived 43 * from this software without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 49 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 50 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 51 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 55 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 *****************************************************************************/ 57 58 #ifndef __iwl_agn_h__ 59 #define __iwl_agn_h__ 60 61 #include "iwl-config.h" 62 63 #include "dev.h" 64 65 /* The first 11 queues (0-10) are used otherwise */ 66 #define IWLAGN_FIRST_AMPDU_QUEUE 11 67 68 /* AUX (TX during scan dwell) queue */ 69 #define IWL_AUX_QUEUE 10 70 71 #define IWL_INVALID_STATION 255 72 73 /* device operations */ 74 extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg; 75 extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg; 76 extern const struct iwl_dvm_cfg iwl_dvm_105_cfg; 77 extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg; 78 extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg; 79 extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg; 80 extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg; 81 extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg; 82 extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg; 83 extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg; 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 13 104 105 struct iwl_ucode_capabilities; 106 107 extern const struct ieee80211_ops iwlagn_hw_ops; 108 109 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) 110 { 111 hdr->op_code = cmd; 112 hdr->first_group = 0; 113 hdr->groups_num = 1; 114 hdr->data_valid = 1; 115 } 116 117 void iwl_down(struct iwl_priv *priv); 118 void iwl_cancel_deferred_work(struct iwl_priv *priv); 119 void iwlagn_prepare_restart(struct iwl_priv *priv); 120 void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi, 121 struct iwl_rx_cmd_buffer *rxb); 122 123 bool iwl_check_for_ct_kill(struct iwl_priv *priv); 124 125 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv); 126 127 /* MAC80211 */ 128 struct ieee80211_hw *iwl_alloc_all(void); 129 int iwlagn_mac_setup_register(struct iwl_priv *priv, 130 const struct iwl_ucode_capabilities *capa); 131 void iwlagn_mac_unregister(struct iwl_priv *priv); 132 133 /* commands */ 134 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 135 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id, 136 u32 flags, u16 len, const void *data); 137 138 /* RXON */ 139 void iwl_connection_init_rx_config(struct iwl_priv *priv, 140 struct iwl_rxon_context *ctx); 141 int iwlagn_set_pan_params(struct iwl_priv *priv); 142 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 143 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 144 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed); 145 void iwlagn_bss_info_changed(struct ieee80211_hw *hw, 146 struct ieee80211_vif *vif, 147 struct ieee80211_bss_conf *bss_conf, 148 u32 changes); 149 void iwlagn_config_ht40(struct ieee80211_conf *conf, 150 struct iwl_rxon_context *ctx); 151 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf); 152 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, 153 struct iwl_rxon_context *ctx); 154 void iwl_set_flags_for_band(struct iwl_priv *priv, 155 struct iwl_rxon_context *ctx, 156 enum nl80211_band band, 157 struct ieee80211_vif *vif); 158 159 /* uCode */ 160 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); 161 void iwl_send_prio_tbl(struct iwl_priv *priv); 162 int iwl_init_alive_start(struct iwl_priv *priv); 163 int iwl_run_init_ucode(struct iwl_priv *priv); 164 int iwl_load_ucode_wait_alive(struct iwl_priv *priv, 165 enum iwl_ucode_type ucode_type); 166 int iwl_send_calib_results(struct iwl_priv *priv); 167 int iwl_calib_set(struct iwl_priv *priv, 168 const struct iwl_calib_hdr *cmd, int len); 169 void iwl_calib_free_results(struct iwl_priv *priv); 170 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, 171 char **buf); 172 int iwlagn_hw_valid_rtc_data_addr(u32 addr); 173 174 /* lib */ 175 int iwlagn_send_tx_power(struct iwl_priv *priv); 176 void iwlagn_temperature(struct iwl_priv *priv); 177 int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk); 178 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv); 179 int iwlagn_send_beacon_cmd(struct iwl_priv *priv); 180 int iwl_send_statistics_request(struct iwl_priv *priv, 181 u8 flags, bool clear); 182 183 static inline const struct ieee80211_supported_band *iwl_get_hw_mode( 184 struct iwl_priv *priv, enum nl80211_band band) 185 { 186 return priv->hw->wiphy->bands[band]; 187 } 188 189 #ifdef CONFIG_PM_SLEEP 190 int iwlagn_send_patterns(struct iwl_priv *priv, 191 struct cfg80211_wowlan *wowlan); 192 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan); 193 #endif 194 195 /* rx */ 196 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band); 197 void iwl_setup_rx_handlers(struct iwl_priv *priv); 198 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); 199 200 201 /* tx */ 202 int iwlagn_tx_skb(struct iwl_priv *priv, 203 struct ieee80211_sta *sta, 204 struct sk_buff *skb); 205 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, 206 struct ieee80211_sta *sta, u16 tid, u16 *ssn); 207 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, 208 struct ieee80211_sta *sta, u16 tid, u8 buf_size); 209 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, 210 struct ieee80211_sta *sta, u16 tid); 211 int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif, 212 struct ieee80211_sta *sta, u16 tid); 213 void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, 214 struct iwl_rx_cmd_buffer *rxb); 215 void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb); 216 217 static inline u32 iwl_tx_status_to_mac80211(u32 status) 218 { 219 status &= TX_STATUS_MSK; 220 221 switch (status) { 222 case TX_STATUS_SUCCESS: 223 case TX_STATUS_DIRECT_DONE: 224 return IEEE80211_TX_STAT_ACK; 225 case TX_STATUS_FAIL_DEST_PS: 226 case TX_STATUS_FAIL_PASSIVE_NO_RX: 227 return IEEE80211_TX_STAT_TX_FILTERED; 228 default: 229 return 0; 230 } 231 } 232 233 static inline bool iwl_is_tx_success(u32 status) 234 { 235 status &= TX_STATUS_MSK; 236 return (status == TX_STATUS_SUCCESS) || 237 (status == TX_STATUS_DIRECT_DONE); 238 } 239 240 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); 241 242 /* scan */ 243 void iwlagn_post_scan(struct iwl_priv *priv); 244 int iwl_force_rf_reset(struct iwl_priv *priv, bool external); 245 void iwl_init_scan_params(struct iwl_priv *priv); 246 int iwl_scan_cancel(struct iwl_priv *priv); 247 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); 248 void iwl_force_scan_end(struct iwl_priv *priv); 249 void iwl_internal_short_hw_scan(struct iwl_priv *priv); 250 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); 251 void iwl_setup_scan_deferred_work(struct iwl_priv *priv); 252 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv); 253 int __must_check iwl_scan_initiate(struct iwl_priv *priv, 254 struct ieee80211_vif *vif, 255 enum iwl_scan_type scan_type, 256 enum nl80211_band band); 257 258 /* For faster active scanning, scan will move to the next channel if fewer than 259 * PLCP_QUIET_THRESH packets are heard on this channel within 260 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell 261 * time if it's a quiet channel (nothing responded to our probe, and there's 262 * no other traffic). 263 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ 264 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */ 265 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */ 266 267 #define IWL_SCAN_CHECK_WATCHDOG (HZ * 15) 268 269 270 /* bt coex */ 271 void iwlagn_send_advance_bt_config(struct iwl_priv *priv); 272 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); 273 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); 274 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv); 275 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv); 276 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena); 277 278 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) 279 { 280 return priv->lib->bt_params && 281 priv->lib->bt_params->advanced_bt_coexist; 282 } 283 284 #ifdef CONFIG_IWLWIFI_DEBUG 285 const char *iwl_get_tx_fail_reason(u32 status); 286 const char *iwl_get_agg_tx_fail_reason(u16 status); 287 #else 288 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 289 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; } 290 #endif 291 292 293 /* station management */ 294 int iwlagn_manage_ibss_station(struct iwl_priv *priv, 295 struct ieee80211_vif *vif, bool add); 296 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ 297 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ 298 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of 299 being activated */ 300 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; 301 (this is for the IBSS BSSID stations) */ 302 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ 303 304 305 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 306 void iwl_clear_ucode_stations(struct iwl_priv *priv, 307 struct iwl_rxon_context *ctx); 308 void iwl_dealloc_bcast_stations(struct iwl_priv *priv); 309 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); 310 int iwl_send_add_sta(struct iwl_priv *priv, 311 struct iwl_addsta_cmd *sta, u8 flags); 312 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 313 const u8 *addr, bool is_ap, 314 struct ieee80211_sta *sta, u8 *sta_id_r); 315 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, 316 const u8 *addr); 317 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id, 318 const u8 *addr); 319 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 320 const u8 *addr, bool is_ap, struct ieee80211_sta *sta); 321 322 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 323 struct iwl_link_quality_cmd *lq, u8 flags, bool init); 324 void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb); 325 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 326 struct ieee80211_sta *sta); 327 328 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, 329 struct iwl_rxon_context *ctx, 330 struct ieee80211_sta *sta); 331 332 static inline int iwl_sta_id(struct ieee80211_sta *sta) 333 { 334 if (WARN_ON(!sta)) 335 return IWL_INVALID_STATION; 336 337 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; 338 } 339 340 int iwlagn_alloc_bcast_station(struct iwl_priv *priv, 341 struct iwl_rxon_context *ctx); 342 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 343 const u8 *addr, u8 *sta_id_r); 344 int iwl_remove_default_wep_key(struct iwl_priv *priv, 345 struct iwl_rxon_context *ctx, 346 struct ieee80211_key_conf *key); 347 int iwl_set_default_wep_key(struct iwl_priv *priv, 348 struct iwl_rxon_context *ctx, 349 struct ieee80211_key_conf *key); 350 int iwl_restore_default_wep_keys(struct iwl_priv *priv, 351 struct iwl_rxon_context *ctx); 352 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 353 struct ieee80211_key_conf *key, 354 struct ieee80211_sta *sta); 355 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 356 struct ieee80211_key_conf *key, 357 struct ieee80211_sta *sta); 358 void iwl_update_tkip_key(struct iwl_priv *priv, 359 struct ieee80211_vif *vif, 360 struct ieee80211_key_conf *keyconf, 361 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); 362 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid); 363 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, 364 int tid, u16 ssn); 365 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, 366 int tid); 367 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); 368 int iwl_update_bcast_station(struct iwl_priv *priv, 369 struct iwl_rxon_context *ctx); 370 int iwl_update_bcast_stations(struct iwl_priv *priv); 371 372 /* rate */ 373 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) 374 { 375 return BIT(ant_idx) << RATE_MCS_ANT_POS; 376 } 377 378 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags) 379 { 380 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK; 381 } 382 383 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) 384 { 385 return cpu_to_le32(flags|(u32)rate); 386 } 387 388 int iwl_alive_start(struct iwl_priv *priv); 389 390 #ifdef CONFIG_IWLWIFI_DEBUG 391 void iwl_print_rx_config_cmd(struct iwl_priv *priv, 392 enum iwl_rxon_context_id ctxid); 393 #else 394 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, 395 enum iwl_rxon_context_id ctxid) 396 { 397 } 398 #endif 399 400 /* status checks */ 401 402 static inline int iwl_is_ready(struct iwl_priv *priv) 403 { 404 /* The adapter is 'ready' if READY EXIT_PENDING is not set */ 405 return test_bit(STATUS_READY, &priv->status) && 406 !test_bit(STATUS_EXIT_PENDING, &priv->status); 407 } 408 409 static inline int iwl_is_alive(struct iwl_priv *priv) 410 { 411 return test_bit(STATUS_ALIVE, &priv->status); 412 } 413 414 static inline int iwl_is_rfkill(struct iwl_priv *priv) 415 { 416 return test_bit(STATUS_RF_KILL_HW, &priv->status); 417 } 418 419 static inline int iwl_is_ctkill(struct iwl_priv *priv) 420 { 421 return test_bit(STATUS_CT_KILL, &priv->status); 422 } 423 424 static inline int iwl_is_ready_rf(struct iwl_priv *priv) 425 { 426 if (iwl_is_rfkill(priv)) 427 return 0; 428 429 return iwl_is_ready(priv); 430 } 431 432 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state) 433 { 434 if (state) 435 set_bit(STATUS_POWER_PMI, &priv->status); 436 else 437 clear_bit(STATUS_POWER_PMI, &priv->status); 438 iwl_trans_set_pmi(priv->trans, state); 439 } 440 441 #ifdef CONFIG_IWLWIFI_DEBUGFS 442 void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir); 443 #else 444 static inline void iwl_dbgfs_register(struct iwl_priv *priv, 445 struct dentry *dbgfs_dir) { } 446 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 447 448 #ifdef CONFIG_IWLWIFI_DEBUG 449 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 450 do { \ 451 if (!iwl_is_rfkill((m))) \ 452 IWL_ERR(m, fmt, ##args); \ 453 else \ 454 __iwl_err((m)->dev, true, \ 455 !iwl_have_debug_level(IWL_DL_RADIO), \ 456 fmt, ##args); \ 457 } while (0) 458 #else 459 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 460 do { \ 461 if (!iwl_is_rfkill((m))) \ 462 IWL_ERR(m, fmt, ##args); \ 463 else \ 464 __iwl_err((m)->dev, true, true, fmt, ##args); \ 465 } while (0) 466 #endif /* CONFIG_IWLWIFI_DEBUG */ 467 468 #endif /* __iwl_agn_h__ */ 469