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
  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 /* device operations */
  75 extern struct iwl_lib_ops iwl1000_lib;
  76 extern struct iwl_lib_ops iwl2000_lib;
  77 extern struct iwl_lib_ops iwl2030_lib;
  78 extern struct iwl_lib_ops iwl5000_lib;
  79 extern struct iwl_lib_ops iwl5150_lib;
  80 extern struct iwl_lib_ops iwl6000_lib;
  81 extern struct iwl_lib_ops iwl6030_lib;
  82
  83
  84
  85 struct iwl_ucode_capabilities;
  86
  87 extern struct ieee80211_ops iwlagn_hw_ops;
  88
  89 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
  90 {
  91         hdr->op_code = cmd;
  92         hdr->first_group = 0;
  93         hdr->groups_num = 1;
  94         hdr->data_valid = 1;
  95 }
  96
  97 void iwl_down(struct iwl_priv *priv);
  98 void iwl_cancel_deferred_work(struct iwl_priv *priv);
  99 void iwlagn_prepare_restart(struct iwl_priv *priv);
 100 void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb);
 101 int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 102                                  struct iwl_rx_cmd_buffer *rxb,
 103                                  struct iwl_device_cmd *cmd);
 104 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
 105
 106 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 107
 108 void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 109
 110 /* MAC80211 */
 111 struct ieee80211_hw *iwl_alloc_all(void);
 112 int iwlagn_mac_setup_register(struct iwl_priv *priv,
 113                               const struct iwl_ucode_capabilities *capa);
 114 void iwlagn_mac_unregister(struct iwl_priv *priv);
 115
 116 /* commands */
 117 int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 118 int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 119                          u32 flags, u16 len, const void *data);
 120
 121 /* RXON */
 122 int iwlagn_set_pan_params(struct iwl_priv *priv);
 123 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 124 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 125 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 126 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 127                              struct ieee80211_vif *vif,
 128                              struct ieee80211_bss_conf *bss_conf,
 129                              u32 changes);
 130 void iwlagn_config_ht40(struct ieee80211_conf *conf,
 131                         struct iwl_rxon_context *ctx);
 132
 133 /* uCode */
 134 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 135 void iwl_send_prio_tbl(struct iwl_priv *priv);
 136 int iwl_init_alive_start(struct iwl_priv *priv);
 137 int iwl_run_init_ucode(struct iwl_priv *priv);
 138 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 139                               enum iwl_ucode_type ucode_type);
 140 int iwl_send_calib_results(struct iwl_priv *priv);
 141 int iwl_calib_set(struct iwl_priv *priv,
 142                   const struct iwl_calib_hdr *cmd, int len);
 143 void iwl_calib_free_results(struct iwl_priv *priv);
 144 void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
 145 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 146                             char **buf, bool display);
 147
 148 /* lib */
 149 int iwlagn_send_tx_power(struct iwl_priv *priv);
 150 void iwlagn_temperature(struct iwl_priv *priv);
 151 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 152 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 153 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 154 #ifdef CONFIG_PM_SLEEP
 155 int iwlagn_send_patterns(struct iwl_priv *priv,
 156                          struct cfg80211_wowlan *wowlan);
 157 int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 158 #endif
 159
 160 /* rx */
 161 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 162 void iwl_setup_rx_handlers(struct iwl_priv *priv);
 163
 164
 165 /* tx */
 166 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
 167 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 168                         struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 169 int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 170                         struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 171 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 172                        struct ieee80211_sta *sta, u16 tid);
 173 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 174                                    struct iwl_rx_cmd_buffer *rxb,
 175                                    struct iwl_device_cmd *cmd);
 176 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 177                                struct iwl_device_cmd *cmd);
 178
 179 static inline u32 iwl_tx_status_to_mac80211(u32 status)
 180 {
 181         status &= TX_STATUS_MSK;
 182
 183         switch (status) {
 184         case TX_STATUS_SUCCESS:
 185         case TX_STATUS_DIRECT_DONE:
 186                 return IEEE80211_TX_STAT_ACK;
 187         case TX_STATUS_FAIL_DEST_PS:
 188         case TX_STATUS_FAIL_PASSIVE_NO_RX:
 189                 return IEEE80211_TX_STAT_TX_FILTERED;
 190         default:
 191                 return 0;
 192         }
 193 }
 194
 195 static inline bool iwl_is_tx_success(u32 status)
 196 {
 197         status &= TX_STATUS_MSK;
 198         return (status == TX_STATUS_SUCCESS) ||
 199                (status == TX_STATUS_DIRECT_DONE);
 200 }
 201
 202 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 203
 204 /* scan */
 205 void iwlagn_post_scan(struct iwl_priv *priv);
 206 void iwlagn_disable_roc(struct iwl_priv *priv);
 207 int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 208
 209 /* bt coex */
 210 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 211 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 212                                   struct iwl_rx_cmd_buffer *rxb,
 213                                   struct iwl_device_cmd *cmd);
 214 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 215 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 216 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 217 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 218 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 219
 220 #ifdef CONFIG_IWLWIFI_DEBUG
 221 const char *iwl_get_tx_fail_reason(u32 status);
 222 const char *iwl_get_agg_tx_fail_reason(u16 status);
 223 #else
 224 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 225 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 226 #endif
 227
 228
 229 /* station management */
 230 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 231                                struct ieee80211_vif *vif, bool add);
 232 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 233 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 234 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 235                                             being activated */
 236 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 237                                 (this is for the IBSS BSSID stations) */
 238 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 239
 240
 241 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 242 void iwl_clear_ucode_stations(struct iwl_priv *priv,
 243                               struct iwl_rxon_context *ctx);
 244 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 245 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 246 int iwl_send_add_sta(struct iwl_priv *priv,
 247                      struct iwl_addsta_cmd *sta, u8 flags);
 248 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 249                            const u8 *addr, bool is_ap,
 250                            struct ieee80211_sta *sta, u8 *sta_id_r);
 251 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 252                        const u8 *addr);
 253 void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 254                             const u8 *addr);
 255 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 256                     const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 257
 258 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 259                      u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
 260 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 261                     struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 262 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 263                                struct iwl_device_cmd *cmd);
 264 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 265                       struct ieee80211_sta *sta);
 266
 267
 268 static 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 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 277                                struct iwl_rxon_context *ctx);
 278 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 279                              const u8 *addr, u8 *sta_id_r);
 280 int iwl_remove_default_wep_key(struct iwl_priv *priv,
 281                                struct iwl_rxon_context *ctx,
 282                                struct ieee80211_key_conf *key);
 283 int iwl_set_default_wep_key(struct iwl_priv *priv,
 284                             struct iwl_rxon_context *ctx,
 285                             struct ieee80211_key_conf *key);
 286 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 287                                  struct iwl_rxon_context *ctx);
 288 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 289                         struct ieee80211_key_conf *key,
 290                         struct ieee80211_sta *sta);
 291 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 292                            struct ieee80211_key_conf *key,
 293                            struct ieee80211_sta *sta);
 294 void iwl_update_tkip_key(struct iwl_priv *priv,
 295                          struct ieee80211_vif *vif,
 296                          struct ieee80211_key_conf *keyconf,
 297                          struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 298 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 299 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 300                          int tid, u16 ssn);
 301 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 302                         int tid);
 303 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 304 int iwl_update_bcast_station(struct iwl_priv *priv,
 305                              struct iwl_rxon_context *ctx);
 306 int iwl_update_bcast_stations(struct iwl_priv *priv);
 307
 308 /* rate */
 309 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 310 {
 311         return BIT(ant_idx) << RATE_MCS_ANT_POS;
 312 }
 313
 314 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 315 {
 316         return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 317 }
 318
 319 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 320 {
 321         return cpu_to_le32(flags|(u32)rate);
 322 }
 323
 324 extern int iwl_alive_start(struct iwl_priv *priv);
 325 /* svtool */
 326 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
 327 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
 328                                    int len);
 329 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
 330                                     struct sk_buff *skb,
 331                                     struct netlink_callback *cb,
 332                                     void *data, int len);
 333 extern void iwl_testmode_init(struct iwl_priv *priv);
 334 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
 335 #else
 336 static inline
 337 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
 338 {
 339         return -ENOSYS;
 340 }
 341 static inline
 342 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
 343                       struct netlink_callback *cb,
 344                       void *data, int len)
 345 {
 346         return -ENOSYS;
 347 }
 348 static inline
 349 void iwl_testmode_init(struct iwl_priv *priv)
 350 {
 351 }
 352 static inline
 353 void iwl_testmode_cleanup(struct iwl_priv *priv)
 354 {
 355 }
 356 #endif
 357
 358 #ifdef CONFIG_IWLWIFI_DEBUG
 359 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 360                              enum iwl_rxon_context_id ctxid);
 361 #else
 362 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 363                                            enum iwl_rxon_context_id ctxid)
 364 {
 365 }
 366 #endif
 367
 368 /* status checks */
 369
 370 static inline int iwl_is_ready(struct iwl_priv *priv)
 371 {
 372         /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
 373          * set but EXIT_PENDING is not */
 374         return test_bit(STATUS_READY, &priv->status) &&
 375                test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
 376                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 377 }
 378
 379 static inline int iwl_is_alive(struct iwl_priv *priv)
 380 {
 381         return test_bit(STATUS_ALIVE, &priv->status);
 382 }
 383
 384 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 385 {
 386         return test_bit(STATUS_RF_KILL_HW, &priv->status);
 387 }
 388
 389 static inline int iwl_is_ctkill(struct iwl_priv *priv)
 390 {
 391         return test_bit(STATUS_CT_KILL, &priv->status);
 392 }
 393
 394 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 395 {
 396         if (iwl_is_rfkill(priv))
 397                 return 0;
 398
 399         return iwl_is_ready(priv);
 400 }
 401
 402 static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 403 {
 404         if (state)
 405                 set_bit(STATUS_POWER_PMI, &priv->status);
 406         else
 407                 clear_bit(STATUS_POWER_PMI, &priv->status);
 408         iwl_trans_set_pmi(trans(priv), state);
 409 }
 410
 411 #ifdef CONFIG_IWLWIFI_DEBUG
 412 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 413 do {                                                                    \
 414         if (!iwl_is_rfkill((m)))                                        \
 415                 IWL_ERR(m, fmt, ##args);                                \
 416         else                                                            \
 417                 __iwl_err(trans(m)->dev, true,                          \
 418                           !iwl_have_debug_level(IWL_DL_RADIO),          \
 419                           fmt, ##args);                                 \
 420 } while (0)
 421 #else
 422 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 423 do {                                                                    \
 424         if (!iwl_is_rfkill((m)))                                        \
 425                 IWL_ERR(m, fmt, ##args);                                \
 426         else                                                            \
 427                 __iwl_err(trans(m)->dev, true, true, fmt, ##args);      \
 428 } while (0)
 429 #endif                          /* CONFIG_IWLWIFI_DEBUG */
 430
 431 #endif /* __iwl_agn_h__ */