iwl-agn.h revision 7120d9894c363ee31fd529e5dd962452b639ab8e
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_mem_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); 90 91/* MAC80211 */ 92struct ieee80211_hw *iwl_alloc_all(void); 93int iwlagn_mac_setup_register(struct iwl_priv *priv, 94 struct iwl_ucode_capabilities *capa); 95void iwlagn_mac_unregister(struct iwl_priv *priv); 96 97/* RXON */ 98int iwlagn_set_pan_params(struct iwl_priv *priv); 99int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 100void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 101int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed); 102void iwlagn_bss_info_changed(struct ieee80211_hw *hw, 103 struct ieee80211_vif *vif, 104 struct ieee80211_bss_conf *bss_conf, 105 u32 changes); 106void iwlagn_config_ht40(struct ieee80211_conf *conf, 107 struct iwl_rxon_context *ctx); 108 109/* uCode */ 110int iwlagn_rx_calib_result(struct iwl_priv *priv, 111 struct iwl_rx_mem_buffer *rxb, 112 struct iwl_device_cmd *cmd); 113void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags); 114 115/* lib */ 116int iwlagn_send_tx_power(struct iwl_priv *priv); 117void iwlagn_temperature(struct iwl_priv *priv); 118u16 iwl_eeprom_calib_version(struct iwl_shared *shrd); 119int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control); 120void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control); 121int iwlagn_send_beacon_cmd(struct iwl_priv *priv); 122#ifdef CONFIG_PM_SLEEP 123int iwlagn_send_patterns(struct iwl_priv *priv, 124 struct cfg80211_wowlan *wowlan); 125int iwlagn_suspend(struct iwl_priv *priv, 126 struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 127#endif 128 129/* rx */ 130int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); 131void iwl_setup_rx_handlers(struct iwl_priv *priv); 132 133 134/* tx */ 135int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb); 136int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, 137 struct ieee80211_sta *sta, u16 tid, u16 *ssn); 138int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, 139 struct ieee80211_sta *sta, u16 tid, u8 buf_size); 140int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, 141 struct ieee80211_sta *sta, u16 tid); 142int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, 143 struct iwl_rx_mem_buffer *rxb, 144 struct iwl_device_cmd *cmd); 145int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, 146 struct iwl_device_cmd *cmd); 147 148static inline u32 iwl_tx_status_to_mac80211(u32 status) 149{ 150 status &= TX_STATUS_MSK; 151 152 switch (status) { 153 case TX_STATUS_SUCCESS: 154 case TX_STATUS_DIRECT_DONE: 155 return IEEE80211_TX_STAT_ACK; 156 case TX_STATUS_FAIL_DEST_PS: 157 case TX_STATUS_FAIL_PASSIVE_NO_RX: 158 return IEEE80211_TX_STAT_TX_FILTERED; 159 default: 160 return 0; 161 } 162} 163 164static inline bool iwl_is_tx_success(u32 status) 165{ 166 status &= TX_STATUS_MSK; 167 return (status == TX_STATUS_SUCCESS) || 168 (status == TX_STATUS_DIRECT_DONE); 169} 170 171u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid); 172 173/* scan */ 174void iwlagn_post_scan(struct iwl_priv *priv); 175void iwlagn_disable_roc(struct iwl_priv *priv); 176 177/* bt coex */ 178void iwlagn_send_advance_bt_config(struct iwl_priv *priv); 179int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, 180 struct iwl_rx_mem_buffer *rxb, 181 struct iwl_device_cmd *cmd); 182void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); 183void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); 184void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv); 185void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv); 186void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena); 187 188#ifdef CONFIG_IWLWIFI_DEBUG 189const char *iwl_get_tx_fail_reason(u32 status); 190const char *iwl_get_agg_tx_fail_reason(u16 status); 191#else 192static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 193static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; } 194#endif 195 196 197/* station management */ 198int iwlagn_manage_ibss_station(struct iwl_priv *priv, 199 struct ieee80211_vif *vif, bool add); 200#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ 201#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ 202#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of 203 being activated */ 204#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; 205 (this is for the IBSS BSSID stations) */ 206#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ 207 208 209void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 210void iwl_clear_ucode_stations(struct iwl_priv *priv, 211 struct iwl_rxon_context *ctx); 212void iwl_dealloc_bcast_stations(struct iwl_priv *priv); 213int iwl_get_free_ucode_key_offset(struct iwl_priv *priv); 214int iwl_send_add_sta(struct iwl_priv *priv, 215 struct iwl_addsta_cmd *sta, u8 flags); 216int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 217 const u8 *addr, bool is_ap, 218 struct ieee80211_sta *sta, u8 *sta_id_r); 219int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, 220 const u8 *addr); 221u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 222 const u8 *addr, bool is_ap, struct ieee80211_sta *sta); 223 224void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 225 u8 sta_id, struct iwl_link_quality_cmd *link_cmd); 226int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 227 struct iwl_link_quality_cmd *lq, u8 flags, bool init); 228void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 229int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, 230 struct iwl_device_cmd *cmd); 231 232 233/** 234 * iwl_clear_driver_stations - clear knowledge of all stations from driver 235 * @priv: iwl priv struct 236 * 237 * This is called during iwl_down() to make sure that in the case 238 * we're coming there from a hardware restart mac80211 will be 239 * able to reconfigure stations -- if we're getting there in the 240 * normal down flow then the stations will already be cleared. 241 */ 242static inline void iwl_clear_driver_stations(struct iwl_priv *priv) 243{ 244 unsigned long flags; 245 struct iwl_rxon_context *ctx; 246 247 spin_lock_irqsave(&priv->shrd->sta_lock, flags); 248 memset(priv->stations, 0, sizeof(priv->stations)); 249 priv->num_stations = 0; 250 251 priv->ucode_key_table = 0; 252 253 for_each_context(priv, ctx) { 254 /* 255 * Remove all key information that is not stored as part 256 * of station information since mac80211 may not have had 257 * a chance to remove all the keys. When device is 258 * reconfigured by mac80211 after an error all keys will 259 * be reconfigured. 260 */ 261 memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); 262 ctx->key_mapping_keys = 0; 263 } 264 265 spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); 266} 267 268static inline int iwl_sta_id(struct ieee80211_sta *sta) 269{ 270 if (WARN_ON(!sta)) 271 return IWL_INVALID_STATION; 272 273 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; 274} 275 276/** 277 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta 278 * @priv: iwl priv 279 * @context: the current context 280 * @sta: mac80211 station 281 * 282 * In certain circumstances mac80211 passes a station pointer 283 * that may be %NULL, for example during TX or key setup. In 284 * that case, we need to use the broadcast station, so this 285 * inline wraps that pattern. 286 */ 287static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, 288 struct iwl_rxon_context *context, 289 struct ieee80211_sta *sta) 290{ 291 int sta_id; 292 293 if (!sta) 294 return context->bcast_sta_id; 295 296 sta_id = iwl_sta_id(sta); 297 298 /* 299 * mac80211 should not be passing a partially 300 * initialised station! 301 */ 302 WARN_ON(sta_id == IWL_INVALID_STATION); 303 304 return sta_id; 305} 306 307int iwlagn_alloc_bcast_station(struct iwl_priv *priv, 308 struct iwl_rxon_context *ctx); 309int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 310 const u8 *addr, u8 *sta_id_r); 311int iwl_remove_default_wep_key(struct iwl_priv *priv, 312 struct iwl_rxon_context *ctx, 313 struct ieee80211_key_conf *key); 314int iwl_set_default_wep_key(struct iwl_priv *priv, 315 struct iwl_rxon_context *ctx, 316 struct ieee80211_key_conf *key); 317int iwl_restore_default_wep_keys(struct iwl_priv *priv, 318 struct iwl_rxon_context *ctx); 319int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 320 struct ieee80211_key_conf *key, 321 struct ieee80211_sta *sta); 322int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 323 struct ieee80211_key_conf *key, 324 struct ieee80211_sta *sta); 325void iwl_update_tkip_key(struct iwl_priv *priv, 326 struct ieee80211_vif *vif, 327 struct ieee80211_key_conf *keyconf, 328 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); 329int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid); 330int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, 331 int tid, u16 ssn); 332int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, 333 int tid); 334void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); 335int iwl_update_bcast_station(struct iwl_priv *priv, 336 struct iwl_rxon_context *ctx); 337int iwl_update_bcast_stations(struct iwl_priv *priv); 338 339/* rate */ 340static inline u32 iwl_ant_idx_to_flags(u8 ant_idx) 341{ 342 return BIT(ant_idx) << RATE_MCS_ANT_POS; 343} 344 345static inline u8 iwl_hw_get_rate(__le32 rate_n_flags) 346{ 347 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK; 348} 349 350static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) 351{ 352 return cpu_to_le32(flags|(u32)rate); 353} 354 355/* eeprom */ 356void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv); 357void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac); 358 359extern int iwl_alive_start(struct iwl_priv *priv); 360/* svtool */ 361#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE 362extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, 363 int len); 364extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, 365 struct sk_buff *skb, 366 struct netlink_callback *cb, 367 void *data, int len); 368extern void iwl_testmode_init(struct iwl_priv *priv); 369extern void iwl_testmode_cleanup(struct iwl_priv *priv); 370#else 371static inline 372int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) 373{ 374 return -ENOSYS; 375} 376static inline 377int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, 378 struct netlink_callback *cb, 379 void *data, int len) 380{ 381 return -ENOSYS; 382} 383static inline 384void iwl_testmode_init(struct iwl_priv *priv) 385{ 386} 387static inline 388void iwl_testmode_cleanup(struct iwl_priv *priv) 389{ 390} 391#endif 392 393#endif /* __iwl_agn_h__ */ 394