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