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

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   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.
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  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
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  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  *
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  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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  44  *    the documentation and/or other materials provided with the
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  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
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  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
  96 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
  97
  98 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
  99
 100 /* MAC80211 */
 101 struct ieee80211_hw *iwl_alloc_all(void);
 102 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 103                               const struct iwl_ucode_capabilities *capa);
 104 void iwlagn_mac_unregister(struct iwl_priv *priv);
 105
 106 /* commands */
 107 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 108 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 109                          u32 flags, u16 len, const void *data);
 110
 111 /* RXON */
 112 int iwlagn_set_pan_params(struct iwl_priv *priv);
 113 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 114 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 115 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 116 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 117                              struct ieee80211_vif *vif,
 118                              struct ieee80211_bss_conf *bss_conf,
 119                              u32 changes);
 120 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 121                         struct iwl_rxon_context *ctx);
 122
 123 /* uCode */
 124 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 125 void iwl_send_prio_tbl(struct iwl_priv *priv);
 126 int iwl_init_alive_start(struct iwl_priv *priv);
 127 int iwl_run_init_ucode(struct iwl_priv *priv);
 128 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 129                               enum iwl_ucode_type ucode_type);
 130 int iwl_send_calib_results(struct iwl_priv *priv);
 131 int iwl_calib_set(struct iwl_priv *priv,
 132                   const struct iwl_calib_hdr *cmd, int len);
 133 void iwl_calib_free_results(struct iwl_priv *priv);
 134 void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
 135 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 136                             char **buf, bool display);
 137
 138 /* lib */
 139 int iwlagn_send_tx_power(struct iwl_priv *priv);
 140 void iwlagn_temperature(struct iwl_priv *priv);
 141 u16 iwl_eeprom_calib_version(struct iwl_shared *shrd);
 142 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 143 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 144 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 145 #ifdef CONFIG_PM_SLEEP
 146 int iwlagn_send_patterns(struct iwl_priv *priv,
 147                          struct cfg80211_wowlan *wowlan);
 148 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 149 #endif
 150
 151 /* rx */
 152 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 153 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 154
 155
 156 /* tx */
 157 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
 158 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 159                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 160 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 161                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 162 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 163                        struct ieee80211_sta *sta, u16 tid);
 164 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 165                                    struct iwl_rx_cmd_buffer *rxb,
 166                                    struct iwl_device_cmd *cmd);
 167 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 168                                struct iwl_device_cmd *cmd);
 169
 170 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 171 {
 172         status &= TX_STATUS_MSK;
 173
 174         switch (status) {
 175         case TX_STATUS_SUCCESS:
 176         case TX_STATUS_DIRECT_DONE:
 177                 return IEEE80211_TX_STAT_ACK;
 178         case TX_STATUS_FAIL_DEST_PS:
 179         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 180                 return IEEE80211_TX_STAT_TX_FILTERED;
 181         default:
 182                 return 0;
 183         }
 184 }
 185
 186 static inline bool iwl_is_tx_success(u32 status)
 187 {
 188         status &= TX_STATUS_MSK;
 189         return (status == TX_STATUS_SUCCESS) ||
 190                (status == TX_STATUS_DIRECT_DONE);
 191 }
 192
 193 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 194
 195 /* scan */
 196 void iwlagn_post_scan(struct iwl_priv *priv);
 197 void iwlagn_disable_roc(struct iwl_priv *priv);
 198
 199 /* bt coex */
 200 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 201 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 202                                   struct iwl_rx_cmd_buffer *rxb,
 203                                   struct iwl_device_cmd *cmd);
 204 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 205 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 206 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 207 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 208 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 209
 210 #ifdef CONFIG_IWLWIFI_DEBUG
 211 const char *iwl_get_tx_fail_reason(u32 status);
 212 const char *iwl_get_agg_tx_fail_reason(u16 status);
 213 #else
 214 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 215 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 216 #endif
 217
 218
 219 /* station management */
 220 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 221                                struct ieee80211_vif *vif, bool add);
 222 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 223 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 224 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 225                                             being activated */
 226 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 227                                 (this is for the IBSS BSSID stations) */
 228 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 229
 230
 231 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 232 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 233                               struct iwl_rxon_context *ctx);
 234 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 235 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 236 int iwl_send_add_sta(struct iwl_priv *priv,
 237                      struct iwl_addsta_cmd *sta, u8 flags);
 238 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 239                            const u8 *addr, bool is_ap,
 240                            struct ieee80211_sta *sta, u8 *sta_id_r);
 241 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 242                        const u8 *addr);
 243 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 244                             const u8 *addr);
 245 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 246                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 247
 248 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 249                      u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
 250 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 251                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 252 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 253                                struct iwl_device_cmd *cmd);
 254 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 255                       struct ieee80211_sta *sta);
 256
 257
 258 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 259 {
 260         if (WARN_ON(!sta))
 261                 return IWL_INVALID_STATION;
 262
 263         return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 264 }
 265
 266 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 267                                struct iwl_rxon_context *ctx);
 268 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 269                              const u8 *addr, u8 *sta_id_r);
 270 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 271                                struct iwl_rxon_context *ctx,
 272                                struct ieee80211_key_conf *key);
 273 int iwl_set_default_wep_key(struct iwl_priv *priv,
 274                             struct iwl_rxon_context *ctx,
 275                             struct ieee80211_key_conf *key);
 276 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 277                                  struct iwl_rxon_context *ctx);
 278 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 279                         struct ieee80211_key_conf *key,
 280                         struct ieee80211_sta *sta);
 281 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 282                            struct ieee80211_key_conf *key,
 283                            struct ieee80211_sta *sta);
 284 void iwl_update_tkip_key(struct iwl_priv *priv,
 285                          struct ieee80211_vif *vif,
 286                          struct ieee80211_key_conf *keyconf,
 287                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 288 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 289 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 290                          int tid, u16 ssn);
 291 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 292                         int tid);
 293 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 294 int iwl_update_bcast_station(struct iwl_priv *priv,
 295                              struct iwl_rxon_context *ctx);
 296 int iwl_update_bcast_stations(struct iwl_priv *priv);
 297
 298 /* rate */
 299 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 300 {
 301         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 302 }
 303
 304 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 305 {
 306         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 307 }
 308
 309 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 310 {
 311         return cpu_to_le32(flags|(u32)rate);
 312 }
 313
 314 /* eeprom */
 315 void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac);
 316
 317 extern int iwl_alive_start(struct iwl_priv *priv);
 318 /* svtool */
 319 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 320 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
 321                                    int len);
 322 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
 323                                     struct sk_buff *skb,
 324                                     struct netlink_callback *cb,
 325                                     void *data, int len);
 326 extern void iwl_testmode_init(struct iwl_priv *priv);
 327 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
 328 #else
 329 static inline
 330 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
 331 {
 332         return -ENOSYS;
 333 }
 334 static inline
 335 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
 336                       struct netlink_callback *cb,
 337                       void *data, int len)
 338 {
 339         return -ENOSYS;
 340 }
 341 static inline
 342 void iwl_testmode_init(struct iwl_priv *priv)
 343 {
 344 }
 345 static inline
 346 void iwl_testmode_cleanup(struct iwl_priv *priv)
 347 {
 348 }
 349 #endif
 350
 351 #ifdef CONFIG_IWLWIFI_DEBUG
 352 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 353                              enum iwl_rxon_context_id ctxid);
 354 #else
 355 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 356                                            enum iwl_rxon_context_id ctxid)
 357 {
 358 }
 359 #endif
 360
 361 /* status checks */
 362
 363 static inline int iwl_is_ready(struct iwl_priv *priv)
 364 {
 365         /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
 366          * set but EXIT_PENDING is not */
 367         return test_bit(STATUS_READY, &priv->status) &&
 368                test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
 369                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 370 }
 371
 372 static inline int iwl_is_alive(struct iwl_priv *priv)
 373 {
 374         return test_bit(STATUS_ALIVE, &priv->status);
 375 }
 376
 377 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 378 {
 379         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 380 }
 381
 382 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 383 {
 384         return test_bit(STATUS_CT_KILL, &priv->status);
 385 }
 386
 387 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 388 {
 389         if (iwl_is_rfkill(priv))
 390                 return 0;
 391
 392         return iwl_is_ready(priv);
 393 }
 394
 395 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 396 {
 397         if (state)
 398                 set_bit(STATUS_POWER_PMI, &priv->status);
 399         else
 400                 clear_bit(STATUS_POWER_PMI, &priv->status);
 401         iwl_trans_set_pmi(trans(priv), state);
 402 }
 403
 404 #ifdef CONFIG_IWLWIFI_DEBUG
 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,                          \
 411                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 412                           fmt, ##args);                                 \
 413 } while (0)
 414 #else
 415 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 416 do {                                                                    \
 417         if (!iwl_is_rfkill((m)))                                        \
 418                 IWL_ERR(m, fmt, ##args);                                \
 419         else                                                            \
 420                 __iwl_err(trans(m)->dev, true, true, fmt, ##args);      \
 421 } while (0)
 422 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 423
 424 #endif /* __iwl_agn_h__ */