iwl-agn.h revision 84abd2cc066fc077c424d0faf7618be348a7efb2
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 - 2012 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 LICENSE.GPL. 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 - 2012 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-dev.h" 67 68struct iwl_ucode_capabilities; 69 70extern struct ieee80211_ops iwlagn_hw_ops; 71 72static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) 73{ 74 hdr->op_code = cmd; 75 hdr->first_group = 0; 76 hdr->groups_num = 1; 77 hdr->data_valid = 1; 78} 79 80void iwl_down(struct iwl_priv *priv); 81void iwl_cancel_deferred_work(struct iwl_priv *priv); 82void iwlagn_prepare_restart(struct iwl_priv *priv); 83void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb); 84int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode, 85 struct iwl_rx_cmd_buffer *rxb, 86 struct iwl_device_cmd *cmd); 87void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac); 88void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac); 89void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state); 90void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac); 91void iwl_nic_error(struct iwl_op_mode *op_mode); 92 93/* MAC80211 */ 94struct ieee80211_hw *iwl_alloc_all(void); 95int iwlagn_mac_setup_register(struct iwl_priv *priv, 96 const struct iwl_ucode_capabilities *capa); 97void iwlagn_mac_unregister(struct iwl_priv *priv); 98 99/* commands */ 100int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 101int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id, 102 u32 flags, u16 len, const void *data); 103 104/* RXON */ 105int iwlagn_set_pan_params(struct iwl_priv *priv); 106int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 107void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 108int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed); 109void iwlagn_bss_info_changed(struct ieee80211_hw *hw, 110 struct ieee80211_vif *vif, 111 struct ieee80211_bss_conf *bss_conf, 112 u32 changes); 113void iwlagn_config_ht40(struct ieee80211_conf *conf, 114 struct iwl_rxon_context *ctx); 115 116/* uCode */ 117int iwlagn_rx_calib_result(struct iwl_priv *priv, 118 struct iwl_rx_cmd_buffer *rxb, 119 struct iwl_device_cmd *cmd); 120void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags); 121int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); 122void iwl_send_prio_tbl(struct iwl_priv *priv); 123int iwl_init_alive_start(struct iwl_priv *priv); 124int iwl_run_init_ucode(struct iwl_priv *priv); 125int iwl_load_ucode_wait_alive(struct iwl_priv *priv, 126 enum iwl_ucode_type ucode_type); 127int iwl_send_calib_results(struct iwl_priv *priv); 128int iwl_calib_set(struct iwl_priv *priv, 129 const struct iwl_calib_hdr *cmd, int len); 130void iwl_calib_free_results(struct iwl_priv *priv); 131 132/* lib */ 133int iwlagn_send_tx_power(struct iwl_priv *priv); 134void iwlagn_temperature(struct iwl_priv *priv); 135u16 iwl_eeprom_calib_version(struct iwl_shared *shrd); 136int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control); 137void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control); 138int iwlagn_send_beacon_cmd(struct iwl_priv *priv); 139#ifdef CONFIG_PM_SLEEP 140int iwlagn_send_patterns(struct iwl_priv *priv, 141 struct cfg80211_wowlan *wowlan); 142int iwlagn_suspend(struct iwl_priv *priv, 143 struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 144#endif 145 146/* rx */ 147int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); 148void iwl_setup_rx_handlers(struct iwl_priv *priv); 149 150 151/* tx */ 152int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb); 153int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, 154 struct ieee80211_sta *sta, u16 tid, u16 *ssn); 155int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, 156 struct ieee80211_sta *sta, u16 tid, u8 buf_size); 157int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, 158 struct ieee80211_sta *sta, u16 tid); 159int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, 160 struct iwl_rx_cmd_buffer *rxb, 161 struct iwl_device_cmd *cmd); 162int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, 163 struct iwl_device_cmd *cmd); 164 165static inline u32 iwl_tx_status_to_mac80211(u32 status) 166{ 167 status &= TX_STATUS_MSK; 168 169 switch (status) { 170 case TX_STATUS_SUCCESS: 171 case TX_STATUS_DIRECT_DONE: 172 return IEEE80211_TX_STAT_ACK; 173 case TX_STATUS_FAIL_DEST_PS: 174 case TX_STATUS_FAIL_PASSIVE_NO_RX: 175 return IEEE80211_TX_STAT_TX_FILTERED; 176 default: 177 return 0; 178 } 179} 180 181static inline bool iwl_is_tx_success(u32 status) 182{ 183 status &= TX_STATUS_MSK; 184 return (status == TX_STATUS_SUCCESS) || 185 (status == TX_STATUS_DIRECT_DONE); 186} 187 188u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); 189 190/* scan */ 191void iwlagn_post_scan(struct iwl_priv *priv); 192void iwlagn_disable_roc(struct iwl_priv *priv); 193 194/* bt coex */ 195void iwlagn_send_advance_bt_config(struct iwl_priv *priv); 196int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, 197 struct iwl_rx_cmd_buffer *rxb, 198 struct iwl_device_cmd *cmd); 199void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); 200void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); 201void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv); 202void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv); 203void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena); 204 205#ifdef CONFIG_IWLWIFI_DEBUG 206const char *iwl_get_tx_fail_reason(u32 status); 207const char *iwl_get_agg_tx_fail_reason(u16 status); 208#else 209static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 210static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; } 211#endif 212 213 214/* station management */ 215int iwlagn_manage_ibss_station(struct iwl_priv *priv, 216 struct ieee80211_vif *vif, bool add); 217#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ 218#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ 219#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of 220 being activated */ 221#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; 222 (this is for the IBSS BSSID stations) */ 223#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ 224 225 226void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 227void iwl_clear_ucode_stations(struct iwl_priv *priv, 228 struct iwl_rxon_context *ctx); 229void iwl_dealloc_bcast_stations(struct iwl_priv *priv); 230int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); 231int iwl_send_add_sta(struct iwl_priv *priv, 232 struct iwl_addsta_cmd *sta, u8 flags); 233int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 234 const u8 *addr, bool is_ap, 235 struct ieee80211_sta *sta, u8 *sta_id_r); 236int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, 237 const u8 *addr); 238u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 239 const u8 *addr, bool is_ap, struct ieee80211_sta *sta); 240 241void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 242 u8 sta_id, struct iwl_link_quality_cmd *link_cmd); 243int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 244 struct iwl_link_quality_cmd *lq, u8 flags, bool init); 245int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, 246 struct iwl_device_cmd *cmd); 247int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 248 struct ieee80211_sta *sta); 249 250 251static inline int iwl_sta_id(struct ieee80211_sta *sta) 252{ 253 if (WARN_ON(!sta)) 254 return IWL_INVALID_STATION; 255 256 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; 257} 258 259/** 260 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta 261 * @priv: iwl priv 262 * @context: the current context 263 * @sta: mac80211 station 264 * 265 * In certain circumstances mac80211 passes a station pointer 266 * that may be %NULL, for example during TX or key setup. In 267 * that case, we need to use the broadcast station, so this 268 * inline wraps that pattern. 269 */ 270static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, 271 struct iwl_rxon_context *context, 272 struct ieee80211_sta *sta) 273{ 274 int sta_id; 275 276 if (!sta) 277 return context->bcast_sta_id; 278 279 sta_id = iwl_sta_id(sta); 280 281 /* 282 * mac80211 should not be passing a partially 283 * initialised station! 284 */ 285 WARN_ON(sta_id == IWL_INVALID_STATION); 286 287 return sta_id; 288} 289 290int iwlagn_alloc_bcast_station(struct iwl_priv *priv, 291 struct iwl_rxon_context *ctx); 292int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 293 const u8 *addr, u8 *sta_id_r); 294int iwl_remove_default_wep_key(struct iwl_priv *priv, 295 struct iwl_rxon_context *ctx, 296 struct ieee80211_key_conf *key); 297int iwl_set_default_wep_key(struct iwl_priv *priv, 298 struct iwl_rxon_context *ctx, 299 struct ieee80211_key_conf *key); 300int iwl_restore_default_wep_keys(struct iwl_priv *priv, 301 struct iwl_rxon_context *ctx); 302int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 303 struct ieee80211_key_conf *key, 304 struct ieee80211_sta *sta); 305int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 306 struct ieee80211_key_conf *key, 307 struct ieee80211_sta *sta); 308void iwl_update_tkip_key(struct iwl_priv *priv, 309 struct ieee80211_vif *vif, 310 struct ieee80211_key_conf *keyconf, 311 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); 312int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid); 313int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, 314 int tid, u16 ssn); 315int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, 316 int tid); 317void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); 318int iwl_update_bcast_station(struct iwl_priv *priv, 319 struct iwl_rxon_context *ctx); 320int iwl_update_bcast_stations(struct iwl_priv *priv); 321 322/* rate */ 323static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) 324{ 325 return BIT(ant_idx) << RATE_MCS_ANT_POS; 326} 327 328static inline u8 iwl_hw_get_rate(__le32 rate_n_flags) 329{ 330 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK; 331} 332 333static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) 334{ 335 return cpu_to_le32(flags|(u32)rate); 336} 337 338/* eeprom */ 339void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv); 340void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac); 341 342extern int iwl_alive_start(struct iwl_priv *priv); 343/* svtool */ 344#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE 345extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, 346 int len); 347extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, 348 struct sk_buff *skb, 349 struct netlink_callback *cb, 350 void *data, int len); 351extern void iwl_testmode_init(struct iwl_priv *priv); 352extern void iwl_testmode_cleanup(struct iwl_priv *priv); 353#else 354static inline 355int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) 356{ 357 return -ENOSYS; 358} 359static inline 360int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, 361 struct netlink_callback *cb, 362 void *data, int len) 363{ 364 return -ENOSYS; 365} 366static inline 367void iwl_testmode_init(struct iwl_priv *priv) 368{ 369} 370static inline 371void iwl_testmode_cleanup(struct iwl_priv *priv) 372{ 373} 374#endif 375 376#ifdef CONFIG_IWLWIFI_DEBUG 377void iwl_print_rx_config_cmd(struct iwl_priv *priv, 378 enum iwl_rxon_context_id ctxid); 379#else 380static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, 381 enum iwl_rxon_context_id ctxid) 382{ 383} 384#endif 385 386/* status checks */ 387 388static inline int iwl_is_ready(struct iwl_shared *shrd) 389{ 390 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are 391 * set but EXIT_PENDING is not */ 392 return test_bit(STATUS_READY, &shrd->status) && 393 test_bit(STATUS_GEO_CONFIGURED, &shrd->status) && 394 !test_bit(STATUS_EXIT_PENDING, &shrd->status); 395} 396 397static inline int iwl_is_alive(struct iwl_shared *shrd) 398{ 399 return test_bit(STATUS_ALIVE, &shrd->status); 400} 401 402static inline int iwl_is_init(struct iwl_shared *shrd) 403{ 404 return test_bit(STATUS_INIT, &shrd->status); 405} 406 407static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd) 408{ 409 return test_bit(STATUS_RF_KILL_HW, &shrd->status); 410} 411 412static inline int iwl_is_rfkill(struct iwl_shared *shrd) 413{ 414 return iwl_is_rfkill_hw(shrd); 415} 416 417static inline int iwl_is_ctkill(struct iwl_shared *shrd) 418{ 419 return test_bit(STATUS_CT_KILL, &shrd->status); 420} 421 422static inline int iwl_is_ready_rf(struct iwl_shared *shrd) 423{ 424 if (iwl_is_rfkill(shrd)) 425 return 0; 426 427 return iwl_is_ready(shrd); 428} 429 430#ifdef CONFIG_IWLWIFI_DEBUG 431#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 432do { \ 433 if (!iwl_is_rfkill((m)->shrd)) \ 434 IWL_ERR(m, fmt, ##args); \ 435 else \ 436 __iwl_err(trans(m)->dev, true, \ 437 !iwl_have_debug_level(IWL_DL_RADIO), \ 438 fmt, ##args); \ 439} while (0) 440#else 441#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ 442do { \ 443 if (!iwl_is_rfkill((m)->shrd)) \ 444 IWL_ERR(m, fmt, ##args); \ 445 else \ 446 __iwl_err(trans(m)->dev, true, true, fmt, ##args); \ 447} while (0) 448#endif /* CONFIG_IWLWIFI_DEBUG */ 449 450#endif /* __iwl_agn_h__ */ 451