LXR linux/drivers/net/wireless/intel/iwlwifi/dvm/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 - 2014 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 COPYING.
  26 *
  27 * Contact Information:
  28 *  Intel Linux Wireless <linuxwifi@intel.com>
  29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30 *
  31 * BSD LICENSE
  32 *
  33 * Copyright(c) 2005 - 2014 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-config.h"
  67
  68#include "dev.h"
  69
  70/* The first 11 queues (0-10) are used otherwise */
  71#define IWLAGN_FIRST_AMPDU_QUEUE        11
  72
  73/* AUX (TX during scan dwell) queue */
  74#define IWL_AUX_QUEUE           10
  75
  76#define IWL_INVALID_STATION     255
  77
  78/* device operations */
  79extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
  80extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
  81extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
  82extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
  83extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
  84extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
  85extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
  86extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
  87extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
  88extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;
  89
  90
  91#define TIME_UNIT               1024
  92
  93/*****************************************************
  94* DRIVER STATUS FUNCTIONS
  95******************************************************/
  96#define STATUS_RF_KILL_HW       0
  97#define STATUS_CT_KILL          1
  98#define STATUS_ALIVE            2
  99#define STATUS_READY            3
 100#define STATUS_EXIT_PENDING     5
 101#define STATUS_STATISTICS       6
 102#define STATUS_SCANNING         7
 103#define STATUS_SCAN_ABORTING    8
 104#define STATUS_SCAN_HW          9
 105#define STATUS_FW_ERROR         10
 106#define STATUS_CHANNEL_SWITCH_PENDING 11
 107#define STATUS_SCAN_COMPLETE    12
 108#define STATUS_POWER_PMI        13
 109
 110struct iwl_ucode_capabilities;
 111
 112extern const struct ieee80211_ops iwlagn_hw_ops;
 113
 114static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 115{
 116        hdr->op_code = cmd;
 117        hdr->first_group = 0;
 118        hdr->groups_num = 1;
 119        hdr->data_valid = 1;
 120}
 121
 122void iwl_down(struct iwl_priv *priv);
 123void iwl_cancel_deferred_work(struct iwl_priv *priv);
 124void iwlagn_prepare_restart(struct iwl_priv *priv);
 125void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
 126                     struct iwl_rx_cmd_buffer *rxb);
 127
 128bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 129
 130void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);
 131
 132/* MAC80211 */
 133struct ieee80211_hw *iwl_alloc_all(void);
 134int iwlagn_mac_setup_register(struct iwl_priv *priv,
 135                              const struct iwl_ucode_capabilities *capa);
 136void iwlagn_mac_unregister(struct iwl_priv *priv);
 137
 138/* commands */
 139int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 140int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 141                         u32 flags, u16 len, const void *data);
 142
 143/* RXON */
 144void iwl_connection_init_rx_config(struct iwl_priv *priv,
 145                                   struct iwl_rxon_context *ctx);
 146int iwlagn_set_pan_params(struct iwl_priv *priv);
 147int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 148void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 149int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
 150void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 151                             struct ieee80211_vif *vif,
 152                             struct ieee80211_bss_conf *bss_conf,
 153                             u32 changes);
 154void iwlagn_config_ht40(struct ieee80211_conf *conf,
 155                        struct iwl_rxon_context *ctx);
 156void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 157void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 158                         struct iwl_rxon_context *ctx);
 159void iwl_set_flags_for_band(struct iwl_priv *priv,
 160                            struct iwl_rxon_context *ctx,
 161                            enum ieee80211_band band,
 162                            struct ieee80211_vif *vif);
 163
 164/* uCode */
 165int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 166void iwl_send_prio_tbl(struct iwl_priv *priv);
 167int iwl_init_alive_start(struct iwl_priv *priv);
 168int iwl_run_init_ucode(struct iwl_priv *priv);
 169int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 170                              enum iwl_ucode_type ucode_type);
 171int iwl_send_calib_results(struct iwl_priv *priv);
 172int iwl_calib_set(struct iwl_priv *priv,
 173                  const struct iwl_calib_hdr *cmd, int len);
 174void iwl_calib_free_results(struct iwl_priv *priv);
 175int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 176                            char **buf);
 177int iwlagn_hw_valid_rtc_data_addr(u32 addr);
 178
 179/* lib */
 180int iwlagn_send_tx_power(struct iwl_priv *priv);
 181void iwlagn_temperature(struct iwl_priv *priv);
 182int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
 183void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
 184int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
 185int iwl_send_statistics_request(struct iwl_priv *priv,
 186                                u8 flags, bool clear);
 187
 188static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 189                        struct iwl_priv *priv, enum ieee80211_band band)
 190{
 191        return priv->hw->wiphy->bands[band];
 192}
 193
 194#ifdef CONFIG_PM_SLEEP
 195int iwlagn_send_patterns(struct iwl_priv *priv,
 196                         struct cfg80211_wowlan *wowlan);
 197int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
 198#endif
 199
 200/* rx */
 201int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
 202void iwl_setup_rx_handlers(struct iwl_priv *priv);
 203void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
 204
 205
 206/* tx */
 207int iwlagn_tx_skb(struct iwl_priv *priv,
 208                  struct ieee80211_sta *sta,
 209                  struct sk_buff *skb);
 210int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 211                        struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 212int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 213                        struct ieee80211_sta *sta, u16 tid, u8 buf_size);
 214int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 215                       struct ieee80211_sta *sta, u16 tid);
 216int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
 217                        struct ieee80211_sta *sta, u16 tid);
 218void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 219                                   struct iwl_rx_cmd_buffer *rxb);
 220void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 221
 222static inline u32 iwl_tx_status_to_mac80211(u32 status)
 223{
 224        status &= TX_STATUS_MSK;
 225
 226        switch (status) {
 227        case TX_STATUS_SUCCESS:
 228        case TX_STATUS_DIRECT_DONE:
 229                return IEEE80211_TX_STAT_ACK;
 230        case TX_STATUS_FAIL_DEST_PS:
 231        case TX_STATUS_FAIL_PASSIVE_NO_RX:
 232                return IEEE80211_TX_STAT_TX_FILTERED;
 233        default:
 234                return 0;
 235        }
 236}
 237
 238static inline bool iwl_is_tx_success(u32 status)
 239{
 240        status &= TX_STATUS_MSK;
 241        return (status == TX_STATUS_SUCCESS) ||
 242               (status == TX_STATUS_DIRECT_DONE);
 243}
 244
 245u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 246
 247/* scan */
 248void iwlagn_post_scan(struct iwl_priv *priv);
 249int iwl_force_rf_reset(struct iwl_priv *priv, bool external);
 250void iwl_init_scan_params(struct iwl_priv *priv);
 251int iwl_scan_cancel(struct iwl_priv *priv);
 252void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 253void iwl_force_scan_end(struct iwl_priv *priv);
 254void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 255void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 256void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 257void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 258int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 259                                   struct ieee80211_vif *vif,
 260                                   enum iwl_scan_type scan_type,
 261                                   enum ieee80211_band band);
 262
 263/* For faster active scanning, scan will move to the next channel if fewer than
 264 * PLCP_QUIET_THRESH packets are heard on this channel within
 265 * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
 266 * time if it's a quiet channel (nothing responded to our probe, and there's
 267 * no other traffic).
 268 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 269#define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 270#define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */
 271
 272#define IWL_SCAN_CHECK_WATCHDOG         (HZ * 15)
 273
 274
 275/* bt coex */
 276void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
 277void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
 278void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
 279void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
 280void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
 281void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
 282
 283static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 284{
 285        return priv->lib->bt_params &&
 286               priv->lib->bt_params->advanced_bt_coexist;
 287}
 288
 289#ifdef CONFIG_IWLWIFI_DEBUG
 290const char *iwl_get_tx_fail_reason(u32 status);
 291const char *iwl_get_agg_tx_fail_reason(u16 status);
 292#else
 293static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
 294static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
 295#endif
 296
 297
 298/* station management */
 299int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 300                               struct ieee80211_vif *vif, bool add);
 301#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
 302#define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 303#define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
 304                                            being activated */
 305#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
 306                                (this is for the IBSS BSSID stations) */
 307#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
 308
 309
 310void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 311void iwl_clear_ucode_stations(struct iwl_priv *priv,
 312                              struct iwl_rxon_context *ctx);
 313void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
 314int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
 315int iwl_send_add_sta(struct iwl_priv *priv,
 316                     struct iwl_addsta_cmd *sta, u8 flags);
 317int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 318                           const u8 *addr, bool is_ap,
 319                           struct ieee80211_sta *sta, u8 *sta_id_r);
 320int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 321                       const u8 *addr);
 322void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
 323                            const u8 *addr);
 324u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 325                    const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
 326
 327int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 328                    struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 329void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
 330int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 331                      struct ieee80211_sta *sta);
 332
 333bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 334                            struct iwl_rxon_context *ctx,
 335                            struct ieee80211_sta *sta);
 336
 337static inline int iwl_sta_id(struct ieee80211_sta *sta)
 338{
 339        if (WARN_ON(!sta))
 340                return IWL_INVALID_STATION;
 341
 342        return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
 343}
 344
 345int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
 346                               struct iwl_rxon_context *ctx);
 347int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 348                             const u8 *addr, u8 *sta_id_r);
 349int iwl_remove_default_wep_key(struct iwl_priv *priv,
 350                               struct iwl_rxon_context *ctx,
 351                               struct ieee80211_key_conf *key);
 352int iwl_set_default_wep_key(struct iwl_priv *priv,
 353                            struct iwl_rxon_context *ctx,
 354                            struct ieee80211_key_conf *key);
 355int iwl_restore_default_wep_keys(struct iwl_priv *priv,
 356                                 struct iwl_rxon_context *ctx);
 357int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 358                        struct ieee80211_key_conf *key,
 359                        struct ieee80211_sta *sta);
 360int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 361                           struct ieee80211_key_conf *key,
 362                           struct ieee80211_sta *sta);
 363void iwl_update_tkip_key(struct iwl_priv *priv,
 364                         struct ieee80211_vif *vif,
 365                         struct ieee80211_key_conf *keyconf,
 366                         struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
 367int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 368int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
 369                         int tid, u16 ssn);
 370int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
 371                        int tid);
 372void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 373int iwl_update_bcast_station(struct iwl_priv *priv,
 374                             struct iwl_rxon_context *ctx);
 375int iwl_update_bcast_stations(struct iwl_priv *priv);
 376
 377/* rate */
 378static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
 379{
 380        return BIT(ant_idx) << RATE_MCS_ANT_POS;
 381}
 382
 383static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
 384{
 385        return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
 386}
 387
 388static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
 389{
 390        return cpu_to_le32(flags|(u32)rate);
 391}
 392
 393int iwl_alive_start(struct iwl_priv *priv);
 394
 395#ifdef CONFIG_IWLWIFI_DEBUG
 396void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 397                             enum iwl_rxon_context_id ctxid);
 398#else
 399static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 400                                           enum iwl_rxon_context_id ctxid)
 401{
 402}
 403#endif
 404
 405/* status checks */
 406
 407static inline int iwl_is_ready(struct iwl_priv *priv)
 408{
 409        /* The adapter is 'ready' if READY EXIT_PENDING is not set */
 410        return test_bit(STATUS_READY, &priv->status) &&
 411               !test_bit(STATUS_EXIT_PENDING, &priv->status);
 412}
 413
 414static inline int iwl_is_alive(struct iwl_priv *priv)
 415{
 416        return test_bit(STATUS_ALIVE, &priv->status);
 417}
 418
 419static inline int iwl_is_rfkill(struct iwl_priv *priv)
 420{
 421        return test_bit(STATUS_RF_KILL_HW, &priv->status);
 422}
 423
 424static inline int iwl_is_ctkill(struct iwl_priv *priv)
 425{
 426        return test_bit(STATUS_CT_KILL, &priv->status);
 427}
 428
 429static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 430{
 431        if (iwl_is_rfkill(priv))
 432                return 0;
 433
 434        return iwl_is_ready(priv);
 435}
 436
 437static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
 438{
 439        if (state)
 440                set_bit(STATUS_POWER_PMI, &priv->status);
 441        else
 442                clear_bit(STATUS_POWER_PMI, &priv->status);
 443        iwl_trans_set_pmi(priv->trans, state);
 444}
 445
 446#ifdef CONFIG_IWLWIFI_DEBUGFS
 447int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
 448#else
 449static inline int iwl_dbgfs_register(struct iwl_priv *priv,
 450                                     struct dentry *dbgfs_dir)
 451{
 452        return 0;
 453}
 454#endif /* CONFIG_IWLWIFI_DEBUGFS */
 455
 456#ifdef CONFIG_IWLWIFI_DEBUG
 457#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 458do {                                                                    \
 459        if (!iwl_is_rfkill((m)))                                        \
 460                IWL_ERR(m, fmt, ##args);                                \
 461        else                                                            \
 462                __iwl_err((m)->dev, true,                               \
 463                          !iwl_have_debug_level(IWL_DL_RADIO),          \
 464                          fmt, ##args);                                 \
 465} while (0)
 466#else
 467#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
 468do {                                                                    \
 469        if (!iwl_is_rfkill((m)))                                        \
 470                IWL_ERR(m, fmt, ##args);                                \
 471        else                                                            \
 472                __iwl_err((m)->dev, true, true, fmt, ##args);   \
 473} while (0)
 474#endif                          /* CONFIG_IWLWIFI_DEBUG */
 475
 476#endif /* __iwl_agn_h__ */
 477