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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
   4  *
   5  * Portions of this file are derived from the ipw3945 project, as well
   6  * as portions of the ieee80211 subsystem header files.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of version 2 of the GNU General Public License as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  20  *
  21  * The full GNU General Public License is included in this distribution in the
  22  * file called LICENSE.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *
  28  *****************************************************************************/
  29 #ifndef __iwl_sta_h__
  30 #define __iwl_sta_h__
  31
  32 #include "iwl-dev.h"
  33
  34 #define HW_KEY_DYNAMIC 0
  35 #define HW_KEY_DEFAULT 1
  36
  37 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
  38 #define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
  39 #define IWL_STA_UCODE_INPROGRESS  BIT(2) /* ucode entry is in process of
  40                                             being activated */
  41 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
  42                                 (this is for the IBSS BSSID stations) */
  43 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
  44
  45
  46 /**
  47  * iwl_find_station - Find station id for a given BSSID
  48  * @bssid: MAC address of station ID to find
  49  */
  50 u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
  51
  52 int iwl_remove_default_wep_key(struct iwl_priv *priv,
  53                                struct ieee80211_key_conf *key);
  54 int iwl_set_default_wep_key(struct iwl_priv *priv,
  55                             struct ieee80211_key_conf *key);
  56 int iwl_restore_default_wep_keys(struct iwl_priv *priv);
  57 int iwl_set_dynamic_key(struct iwl_priv *priv,
  58                         struct ieee80211_key_conf *key, u8 sta_id);
  59 int iwl_remove_dynamic_key(struct iwl_priv *priv,
  60                            struct ieee80211_key_conf *key, u8 sta_id);
  61 void iwl_update_tkip_key(struct iwl_priv *priv,
  62                         struct ieee80211_key_conf *keyconf,
  63                         const u8 *addr, u32 iv32, u16 *phase1key);
  64
  65 void iwl_restore_stations(struct iwl_priv *priv);
  66 void iwl_clear_ucode_stations(struct iwl_priv *priv);
  67 int iwl_alloc_bcast_station(struct iwl_priv *priv, bool init_lq);
  68 void iwl_dealloc_bcast_station(struct iwl_priv *priv);
  69 int iwl_get_free_ucode_key_index(struct iwl_priv *priv);
  70 int iwl_send_add_sta(struct iwl_priv *priv,
  71                      struct iwl_addsta_cmd *sta, u8 flags);
  72 int iwl_add_local_station(struct iwl_priv *priv, const u8 *addr, bool init_rs,
  73                           u8 *sta_id_r);
  74 int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
  75                                   bool is_ap,
  76                                   struct ieee80211_sta_ht_cap *ht_info,
  77                                   u8 *sta_id_r);
  78 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
  79                        const u8 *addr);
  80 int iwl_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
  81                        struct ieee80211_sta *sta);
  82 void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
  83 int iwl_sta_rx_agg_start(struct iwl_priv *priv,
  84                          const u8 *addr, int tid, u16 ssn);
  85 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
  86 void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id);
  87 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
  88
  89 static inline int iwl_sta_id(struct ieee80211_sta *sta)
  90 {
  91         if (WARN_ON(!sta))
  92                 return IWL_INVALID_STATION;
  93
  94         return ((struct iwl_station_priv_common *)sta->drv_priv)->sta_id;
  95 }
  96 #endif /* __iwl_sta_h__ */