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 <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 - 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 */ 79extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg; 80extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg; 81extern const struct iwl_dvm_cfg iwl_dvm_105_cfg; 82extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg; 83extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg; 84extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg; 85extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg; 86extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg; 87extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg; 88extern 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 110struct iwl_ucode_capabilities; 111 112extern const struct ieee80211_ops iwlagn_hw_ops; 113 114static 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 122void iwl_down(struct iwl_priv *priv); 123void iwl_cancel_deferred_work(struct iwl_priv *priv); 124void iwlagn_prepare_restart(struct iwl_priv *priv); 125int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode, 126 struct iwl_rx_cmd_buffer *rxb, 127 struct iwl_device_cmd *cmd); 128 129bool iwl_check_for_ct_kill(struct iwl_priv *priv); 130 131void iwlagn_lift_passive_no_rx(struct iwl_priv *priv); 132 133/* MAC80211 */ 134struct ieee80211_hw *iwl_alloc_all(void); 135int iwlagn_mac_setup_register(struct iwl_priv *priv, 136 const struct iwl_ucode_capabilities *capa); 137void iwlagn_mac_unregister(struct iwl_priv *priv); 138 139/* commands */ 140int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 141int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id, 142 u32 flags, u16 len, const void *data); 143 144/* RXON */ 145void iwl_connection_init_rx_config(struct iwl_priv *priv, 146 struct iwl_rxon_context *ctx); 147int iwlagn_set_pan_params(struct iwl_priv *priv); 148int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 149void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 150int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed); 151void iwlagn_bss_info_changed(struct ieee80211_hw *hw, 152 struct ieee80211_vif *vif, 153 struct ieee80211_bss_conf *bss_conf, 154 u32 changes); 155void iwlagn_config_ht40(struct ieee80211_conf *conf, 156 struct iwl_rxon_context *ctx); 157void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf); 158void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, 159 struct iwl_rxon_context *ctx); 160void iwl_set_flags_for_band(struct iwl_priv *priv, 161 struct iwl_rxon_context *ctx, 162 enum ieee80211_band band, 163 struct ieee80211_vif *vif); 164 165/* uCode */ 166int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); 167void iwl_send_prio_tbl(struct iwl_priv *priv); 168int iwl_init_alive_start(struct iwl_priv *priv); 169int iwl_run_init_ucode(struct iwl_priv *priv); 170int iwl_load_ucode_wait_alive(struct iwl_priv *priv, 171 enum iwl_ucode_type ucode_type); 172int iwl_send_calib_results(struct iwl_priv *priv); 173int iwl_calib_set(struct iwl_priv *priv, 174 const struct iwl_calib_hdr *cmd, int len); 175void iwl_calib_free_results(struct iwl_priv *priv); 176int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, 177 char **buf); 178int iwlagn_hw_valid_rtc_data_addr(u32 addr); 179 180/* lib */ 181int iwlagn_send_tx_power(struct iwl_priv *priv); 182void iwlagn_temperature(struct iwl_priv *priv); 183int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk); 184void iwlagn_dev_txfifo_flush(struct iwl_priv *priv); 185int iwlagn_send_beacon_cmd(struct iwl_priv *priv); 186int iwl_send_statistics_request(struct iwl_priv *priv, 187 u8 flags, bool clear); 188 189static inline const struct ieee80211_supported_band *iwl_get_hw_mode( 190 struct iwl_priv *priv, enum ieee80211_band band) 191{ 192 return priv->hw->wiphy->bands[band]; 193} 194 195#ifdef CONFIG_PM_SLEEP 196int iwlagn_send_patterns(struct iwl_priv *priv, 197 struct cfg80211_wowlan *wowlan); 198int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan); 199#endif 200 201/* rx */ 202int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); 203void iwl_setup_rx_handlers(struct iwl_priv *priv); 204void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); 205 206 207/* tx */ 208int iwlagn_tx_skb(struct iwl_priv *priv, 209 struct ieee80211_sta *sta, 210 struct sk_buff *skb); 211int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, 212 struct ieee80211_sta *sta, u16 tid, u16 *ssn); 213int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, 214 struct ieee80211_sta *sta, u16 tid, u8 buf_size); 215int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, 216 struct ieee80211_sta *sta, u16 tid); 217int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif, 218 struct ieee80211_sta *sta, u16 tid); 219int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, 220 struct iwl_rx_cmd_buffer *rxb, 221 struct iwl_device_cmd *cmd); 222int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, 223 struct iwl_device_cmd *cmd); 224 225static inline u32 iwl_tx_status_to_mac80211(u32 status) 226{ 227 status &= TX_STATUS_MSK; 228 229 switch (status) { 230 case TX_STATUS_SUCCESS: 231 case TX_STATUS_DIRECT_DONE: 232 return IEEE80211_TX_STAT_ACK; 233 case TX_STATUS_FAIL_DEST_PS: 234 case TX_STATUS_FAIL_PASSIVE_NO_RX: 235 return IEEE80211_TX_STAT_TX_FILTERED; 236 default: 237 return 0; 238 } 239} 240 241static inline bool iwl_is_tx_success(u32 status) 242{ 243 status &= TX_STATUS_MSK; 244 return (status == TX_STATUS_SUCCESS) || 245 (status == TX_STATUS_DIRECT_DONE); 246} 247 248u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); 249 250/* scan */ 251void iwlagn_post_scan(struct iwl_priv *priv); 252int iwl_force_rf_reset(struct iwl_priv *priv, bool external); 253void iwl_init_scan_params(struct iwl_priv *priv); 254int iwl_scan_cancel(struct iwl_priv *priv); 255void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); 256void iwl_force_scan_end(struct iwl_priv *priv); 257void iwl_internal_short_hw_scan(struct iwl_priv *priv); 258void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); 259void iwl_setup_scan_deferred_work(struct iwl_priv *priv); 260void iwl_cancel_scan_deferred_work(struct iwl_priv *priv); 261int __must_check iwl_scan_initiate(struct iwl_priv *priv, 262 struct ieee80211_vif *vif, 263 enum iwl_scan_type scan_type, 264 enum ieee80211_band band); 265 266/* For faster active scanning, scan will move to the next channel if fewer than 267 * PLCP_QUIET_THRESH packets are heard on this channel within 268 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell 269 * time if it's a quiet channel (nothing responded to our probe, and there's 270 * no other traffic). 271 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ 272#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */ 273#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */ 274 275#define IWL_SCAN_CHECK_WATCHDOG (HZ * 15) 276 277 278/* bt coex */ 279void iwlagn_send_advance_bt_config(struct iwl_priv *priv); 280int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, 281 struct iwl_rx_cmd_buffer *rxb, 282 struct iwl_device_cmd *cmd); 283void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); 284void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); 285void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv); 286void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv); 287void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena); 288 289static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) 290{ 291 return priv->lib->bt_params && 292 priv->lib->bt_params->advanced_bt_coexist; 293} 294 295#ifdef CONFIG_IWLWIFI_DEBUG 296const char *iwl_get_tx_fail_reason(u32 status); 297const char *iwl_get_agg_tx_fail_reason(u16 status); 298#else 299static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 300static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; } 301#endif 302 303 304/* station management */ 305int iwlagn_manage_ibss_station(struct iwl_priv *priv, 306 struct ieee80211_vif *vif, bool add); 307#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ 308#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ 309#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of 310 being activated */ 311#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; 312 (this is for the IBSS BSSID stations) */ 313#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ 314 315 316void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 317void iwl_clear_ucode_stations(struct iwl_priv *priv, 318 struct iwl_rxon_context *ctx); 319void iwl_dealloc_bcast_stations(struct iwl_priv *priv); 320int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); 321int iwl_send_add_sta(struct iwl_priv *priv, 322 struct iwl_addsta_cmd *sta, u8 flags); 323int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 324 const u8 *addr, bool is_ap, 325 struct ieee80211_sta *sta, u8 *sta_id_r); 326int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, 327 const u8 *addr); 328void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id, 329 const u8 *addr); 330u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 331 const u8 *addr, bool is_ap, struct ieee80211_sta *sta); 332 333int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 334 struct iwl_link_quality_cmd *lq, u8 flags, bool init); 335int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, 336 struct iwl_device_cmd *cmd); 337int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 338 struct ieee80211_sta *sta); 339 340bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, 341 struct iwl_rxon_context *ctx, 342 struct ieee80211_sta *sta); 343 344static inline int iwl_sta_id(struct ieee80211_sta *sta) 345{ 346 if (WARN_ON(!sta)) 347 return IWL_INVALID_STATION; 348 349 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; 350} 351 352int iwlagn_alloc_bcast_station(struct iwl_priv *priv, 353 struct iwl_rxon_context *ctx); 354int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 355 const u8 *addr, u8 *sta_id_r); 356int iwl_remove_default_wep_key(struct iwl_priv *priv, 357 struct iwl_rxon_context *ctx, 358 struct ieee80211_key_conf *key); 359int iwl_set_default_wep_key(struct iwl_priv *priv, 360 struct iwl_rxon_context *ctx, 361 struct ieee80211_key_conf *key); 362int iwl_restore_default_wep_keys(struct iwl_priv *priv, 363 struct iwl_rxon_context *ctx); 364int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 365 struct ieee80211_key_conf *key, 366 struct ieee80211_sta *sta); 367int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 368 struct ieee80211_key_conf *key, 369 struct ieee80211_sta *sta); 370void iwl_update_tkip_key(struct iwl_priv *priv, 371 struct ieee80211_vif *vif, 372 struct ieee80211_key_conf *keyconf, 373 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); 374int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid); 375int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, 376 int tid, u16 ssn); 377int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, 378 int tid); 379void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); 380int iwl_update_bcast_station(struct iwl_priv *priv, 381 struct iwl_rxon_context *ctx); 382int iwl_update_bcast_stations(struct iwl_priv *priv); 383 384/* rate */ 385static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) 386{ 387 return BIT(ant_idx) << RATE_MCS_ANT_POS; 388} 389 390static inline u8 iwl_hw_get_rate(__le32 rate_n_flags) 391{ 392 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK; 393} 394 395static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) 396{ 397 return cpu_to_le32(flags|(u32)rate); 398} 399 400int iwl_alive_start(struct iwl_priv *priv); 401 402#ifdef CONFIG_IWLWIFI_DEBUG 403void iwl_print_rx_config_cmd(struct iwl_priv *priv, 404 enum iwl_rxon_context_id ctxid); 405#else 406static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, 407 enum iwl_rxon_context_id ctxid) 408{ 409} 410#endif 411 412/* status checks */ 413 414static inline int iwl_is_ready(struct iwl_priv *priv) 415{ 416 /* The adapter is 'ready' if READY EXIT_PENDING is not set */ 417 return test_bit(STATUS_READY, &priv->status) && 418 !test_bit(STATUS_EXIT_PENDING, &priv->status); 419} 420 421static inline int iwl_is_alive(struct iwl_priv *priv) 422{ 423 return test_bit(STATUS_ALIVE, &priv->status); 424} 425 426static inline int iwl_is_rfkill(struct iwl_priv *priv) 427{ 428 return test_bit(STATUS_RF_KILL_HW, &priv->status); 429} 430 431static inline int iwl_is_ctkill(struct iwl_priv *priv) 432{ 433 return test_bit(STATUS_CT_KILL, &priv->status); 434} 435 436static inline int iwl_is_ready_rf(struct iwl_priv *priv) 437{ 438 if (iwl_is_rfkill(priv)) 439 return 0; 440 441 return iwl_is_ready(priv); 442} 443 444static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state) 445{ 446 if (state) 447 set_bit(STATUS_POWER_PMI, &priv->status); 448 else 449 clear_bit(STATUS_POWER_PMI, &priv->status); 450 iwl_trans_set_pmi(priv->trans, state); 451} 452 453#ifdef CONFIG_IWLWIFI_DEBUGFS 454int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir); 455#else 456static inline int iwl_dbgfs_register(struct iwl_priv *priv, 457 struct dentry *dbgfs_dir) 458{ 459 return 0; 460} 461#endif /* CONFIG_IWLWIFI_DEBUGFS */ 462 463#ifdef CONFIG_IWLWIFI_DEBUG 464#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 465do { \ 466 if (!iwl_is_rfkill((m))) \ 467 IWL_ERR(m, fmt, ##args); \ 468 else \ 469 __iwl_err((m)->dev, true, \ 470 !iwl_have_debug_level(IWL_DL_RADIO), \ 471 fmt, ##args); \ 472} while (0) 473#else 474#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 475do { \ 476 if (!iwl_is_rfkill((m))) \ 477 IWL_ERR(m, fmt, ##args); \ 478 else \ 479 __iwl_err((m)->dev, true, true, fmt, ##args); \ 480} while (0) 481#endif /* CONFIG_IWLWIFI_DEBUG */ 482 483extern const char *const iwl_dvm_cmd_strings[REPLY_MAX]; 484 485static inline const char *iwl_dvm_get_cmd_string(u8 cmd) 486{ 487 const char *s = iwl_dvm_cmd_strings[cmd]; 488 if (s) 489 return s; 490 return "UNKNOWN"; 491} 492#endif /* __iwl_agn_h__ */ 493