drivers/net/wireless/iwlwifi/iwl-agn.h

   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
  68 /* The first 11 queues (0-10) are used otherwise */
  69 #define IWLAGN_FIRST_AMPDU_QUEUE        11
  70
  71 /* AUX (TX during scan dwell) queue */
  72 #define IWL_AUX_QUEUE           10
  73
  74
  75 struct iwl_ucode_capabilities;
  76
  77 extern struct ieee80211_ops iwlagn_hw_ops;
  78
  79 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
  80 {
  81         hdr->op_code = cmd;
  82         hdr->first_group = 0;
  83         hdr->groups_num = 1;
  84         hdr->data_valid = 1;
  85 }
  86
  87 void iwl_down(struct iwl_priv *priv);
  88 void iwl_cancel_deferred_work(struct iwl_priv *priv);
  89 void iwlagn_prepare_restart(struct iwl_priv *priv);
  90 void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb);
  91 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
  92                                  struct iwl_rx_cmd_buffer *rxb,
  93                                  struct iwl_device_cmd *cmd);
  94 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
  95 void iwl_nic_error(struct iwl_op_mode *op_mode);
  96
  97 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
  98
  99 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 100
 101 /* MAC80211 */
 102 struct ieee80211_hw *iwl_alloc_all(void);
 103 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 104                               const struct iwl_ucode_capabilities *capa);
 105 void iwlagn_mac_unregister(struct iwl_priv *priv);
 106
 107 /* commands */
 108 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 109 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 110                          u32 flags, u16 len, const void *data);
 111
 112 /* RXON */
 113 int iwlagn_set_pan_params(struct iwl_priv *priv);
 114 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 115 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 116 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 117 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 118                              struct ieee80211_vif *vif,
 119                              struct ieee80211_bss_conf *bss_conf,
 120                              u32 changes);
 121 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 122                         struct iwl_rxon_context *ctx);
 123
 124 /* uCode */
 125 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 126 void iwl_send_prio_tbl(struct iwl_priv *priv);
 127 int iwl_init_alive_start(struct iwl_priv *priv);
 128 int iwl_run_init_ucode(struct iwl_priv *priv);
 129 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 130                               enum iwl_ucode_type ucode_type);
 131 int iwl_send_calib_results(struct iwl_priv *priv);
 132 int iwl_calib_set(struct iwl_priv *priv,
 133                   const struct iwl_calib_hdr *cmd, int len);
 134 void iwl_calib_free_results(struct iwl_priv *priv);
 135 void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
 136
 137 /* lib */
 138 int iwlagn_send_tx_power(struct iwl_priv *priv);
 139 void iwlagn_temperature(struct iwl_priv *priv);
 140 u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
 141 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 142 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 143 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 144 #ifdef CONFIG_PM_SLEEP
 145 int iwlagn_send_patterns(struct iwl_priv *priv,
 146                          struct cfg80211_wowlan *wowlan);
 147 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 148 #endif
 149
 150 /* rx */
 151 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 152 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 153
 154
 155 /* tx */
 156 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
 157 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 158                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 159 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 160                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 161 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 162                        struct ieee80211_sta *sta, u16 tid);
 163 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 164                                    struct iwl_rx_cmd_buffer *rxb,
 165                                    struct iwl_device_cmd *cmd);
 166 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 167                                struct iwl_device_cmd *cmd);
 168
 169 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 170 {
 171         status &= TX_STATUS_MSK;
 172
 173         switch (status) {
 174         case TX_STATUS_SUCCESS:
 175         case TX_STATUS_DIRECT_DONE:
 176                 return IEEE80211_TX_STAT_ACK;
 177         case TX_STATUS_FAIL_DEST_PS:
 178         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 179                 return IEEE80211_TX_STAT_TX_FILTERED;
 180         default:
 181                 return 0;
 182         }
 183 }
 184
 185 static inline bool iwl_is_tx_success(u32 status)
 186 {
 187         status &= TX_STATUS_MSK;
 188         return (status == TX_STATUS_SUCCESS) ||
 189                (status == TX_STATUS_DIRECT_DONE);
 190 }
 191
 192 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 193
 194 /* scan */
 195 void iwlagn_post_scan(struct iwl_priv *priv);
 196 void iwlagn_disable_roc(struct iwl_priv *priv);
 197
 198 /* bt coex */
 199 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 200 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 201                                   struct iwl_rx_cmd_buffer *rxb,
 202                                   struct iwl_device_cmd *cmd);
 203 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 204 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 205 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 206 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 207 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 208
 209 #ifdef CONFIG_IWLWIFI_DEBUG
 210 const char *iwl_get_tx_fail_reason(u32 status);
 211 const char *iwl_get_agg_tx_fail_reason(u16 status);
 212 #else
 213 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 214 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 215 #endif
 216
 217
 218 /* station management */
 219 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 220                                struct ieee80211_vif *vif, bool add);
 221 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 222 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 223 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 224                                             being activated */
 225 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 226                                 (this is for the IBSS BSSID stations) */
 227 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 228
 229
 230 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 231 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 232                               struct iwl_rxon_context *ctx);
 233 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 234 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 235 int iwl_send_add_sta(struct iwl_priv *priv,
 236                      struct iwl_addsta_cmd *sta, u8 flags);
 237 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 238                            const u8 *addr, bool is_ap,
 239                            struct ieee80211_sta *sta, u8 *sta_id_r);
 240 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 241                        const u8 *addr);
 242 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 243                             const u8 *addr);
 244 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 245                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 246
 247 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 248                      u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
 249 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 250                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 251 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 252                                struct iwl_device_cmd *cmd);
 253 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 254                       struct ieee80211_sta *sta);
 255
 256
 257 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 258 {
 259         if (WARN_ON(!sta))
 260                 return IWL_INVALID_STATION;
 261
 262         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 263 }
 264
 265 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 266                                struct iwl_rxon_context *ctx);
 267 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 268                              const u8 *addr, u8 *sta_id_r);
 269 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 270                                struct iwl_rxon_context *ctx,
 271                                struct ieee80211_key_conf *key);
 272 int iwl_set_default_wep_key(struct iwl_priv *priv,
 273                             struct iwl_rxon_context *ctx,
 274                             struct ieee80211_key_conf *key);
 275 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 276                                  struct iwl_rxon_context *ctx);
 277 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 278                         struct ieee80211_key_conf *key,
 279                         struct ieee80211_sta *sta);
 280 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 281                            struct ieee80211_key_conf *key,
 282                            struct ieee80211_sta *sta);
 283 void iwl_update_tkip_key(struct iwl_priv *priv,
 284                          struct ieee80211_vif *vif,
 285                          struct ieee80211_key_conf *keyconf,
 286                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 287 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 288 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 289                          int tid, u16 ssn);
 290 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 291                         int tid);
 292 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 293 int iwl_update_bcast_station(struct iwl_priv *priv,
 294                              struct iwl_rxon_context *ctx);
 295 int iwl_update_bcast_stations(struct iwl_priv *priv);
 296
 297 /* rate */
 298 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 299 {
 300         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 301 }
 302
 303 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 304 {
 305         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 306 }
 307
 308 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 309 {
 310         return cpu_to_le32(flags|(u32)rate);
 311 }
 312
 313 /* eeprom */
 314 void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
 315
 316 extern int iwl_alive_start(struct iwl_priv *priv);
 317 /* svtool */
 318 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 319 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
 320                                    int len);
 321 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
 322                                     struct sk_buff *skb,
 323                                     struct netlink_callback *cb,
 324                                     void *data, int len);
 325 extern void iwl_testmode_init(struct iwl_priv *priv);
 326 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
 327 #else
 328 static inline
 329 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
 330 {
 331         return -ENOSYS;
 332 }
 333 static inline
 334 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
 335                       struct netlink_callback *cb,
 336                       void *data, int len)
 337 {
 338         return -ENOSYS;
 339 }
 340 static inline
 341 void iwl_testmode_init(struct iwl_priv *priv)
 342 {
 343 }
 344 static inline
 345 void iwl_testmode_cleanup(struct iwl_priv *priv)
 346 {
 347 }
 348 #endif
 349
 350 #ifdef CONFIG_IWLWIFI_DEBUG
 351 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 352                              enum iwl_rxon_context_id ctxid);
 353 #else
 354 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 355                                            enum iwl_rxon_context_id ctxid)
 356 {
 357 }
 358 #endif
 359
 360 /* status checks */
 361
 362 static inline int iwl_is_ready(struct iwl_priv *priv)
 363 {
 364         /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
 365          * set but EXIT_PENDING is not */
 366         return test_bit(STATUS_READY, &priv->status) &&
 367                test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
 368                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 369 }
 370
 371 static inline int iwl_is_alive(struct iwl_priv *priv)
 372 {
 373         return test_bit(STATUS_ALIVE, &priv->status);
 374 }
 375
 376 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 377 {
 378         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 379 }
 380
 381 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 382 {
 383         return test_bit(STATUS_CT_KILL, &priv->status);
 384 }
 385
 386 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 387 {
 388         if (iwl_is_rfkill(priv))
 389                 return 0;
 390
 391         return iwl_is_ready(priv);
 392 }
 393
 394 #ifdef CONFIG_IWLWIFI_DEBUG
 395 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 396 do {                                                                    \
 397         if (!iwl_is_rfkill((m)))                                        \
 398                 IWL_ERR(m, fmt, ##args);                                \
 399         else                                                            \
 400                 __iwl_err(trans(m)->dev, true,                          \
 401                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 402                           fmt, ##args);                                 \
 403 } while (0)
 404 #else
 405 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 406 do {                                                                    \
 407         if (!iwl_is_rfkill((m)))                                        \
 408                 IWL_ERR(m, fmt, ##args);                                \
 409         else                                                            \
 410                 __iwl_err(trans(m)->dev, true, true, fmt, ##args);      \
 411 } while (0)
 412 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 413
 414 #endif /* __iwl_agn_h__ */