diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-sta.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-sta.h | 87 |
1 files changed, 68 insertions, 19 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 2dc35fe28f5..dc43ebd1f1f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -29,44 +29,93 @@ #ifndef __iwl_sta_h__ #define __iwl_sta_h__ +#include "iwl-dev.h" + #define HW_KEY_DYNAMIC 0 #define HW_KEY_DEFAULT 1 -/** - * iwl_find_station - Find station id for a given BSSID - * @bssid: MAC address of station ID to find - */ -u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); +#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ +#define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ +#define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of + being activated */ +#define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211; + (this is for the IBSS BSSID stations) */ +#define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */ + -int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty); int iwl_remove_default_wep_key(struct iwl_priv *priv, struct ieee80211_key_conf *key); int iwl_set_default_wep_key(struct iwl_priv *priv, struct ieee80211_key_conf *key); +int iwl_restore_default_wep_keys(struct iwl_priv *priv); int iwl_set_dynamic_key(struct iwl_priv *priv, struct ieee80211_key_conf *key, u8 sta_id); int iwl_remove_dynamic_key(struct iwl_priv *priv, struct ieee80211_key_conf *key, u8 sta_id); void iwl_update_tkip_key(struct iwl_priv *priv, struct ieee80211_key_conf *keyconf, - const u8 *addr, u32 iv32, u16 *phase1key); + struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); -int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap); -void iwl_add_bcast_station(struct iwl_priv *priv); -void iwl3945_add_bcast_station(struct iwl_priv *priv); -int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, bool is_ap); -void iwl_clear_stations_table(struct iwl_priv *priv); +void iwl_restore_stations(struct iwl_priv *priv); +void iwl_clear_ucode_stations(struct iwl_priv *priv); +int iwl_alloc_bcast_station(struct iwl_priv *priv, bool init_lq); +void iwl_dealloc_bcast_station(struct iwl_priv *priv); int iwl_get_free_ucode_key_index(struct iwl_priv *priv); -int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr); -int iwl_get_ra_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr); int iwl_send_add_sta(struct iwl_priv *priv, struct iwl_addsta_cmd *sta, u8 flags); -u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap, u8 flags, - struct ieee80211_sta_ht_cap *ht_info); +int iwl_add_bssid_station(struct iwl_priv *priv, const u8 *addr, bool init_rs, + u8 *sta_id_r); +int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr, + bool is_ap, + struct ieee80211_sta_ht_cap *ht_info, + u8 *sta_id_r); +int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, + const u8 *addr); +int iwl_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid); -int iwl_sta_rx_agg_start(struct iwl_priv *priv, - const u8 *addr, int tid, u16 ssn); -int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid); +int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, + int tid, u16 ssn); +int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, + int tid); void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id); void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt); + +/** + * iwl_clear_driver_stations - clear knowledge of all stations from driver + * @priv: iwl priv struct + * + * This is called during iwl_down() to make sure that in the case + * we're coming there from a hardware restart mac80211 will be + * able to reconfigure stations -- if we're getting there in the + * normal down flow then the stations will already be cleared. + */ +static inline void iwl_clear_driver_stations(struct iwl_priv *priv) +{ + unsigned long flags; + + spin_lock_irqsave(&priv->sta_lock, flags); + memset(priv->stations, 0, sizeof(priv->stations)); + priv->num_stations = 0; + + /* + * Remove all key information that is not stored as part of station + * information since mac80211 may not have had a + * chance to remove all the keys. When device is reconfigured by + * mac80211 after an error all keys will be reconfigured. + */ + priv->ucode_key_table = 0; + priv->key_mapping_key = 0; + memset(priv->wep_keys, 0, sizeof(priv->wep_keys)); + + spin_unlock_irqrestore(&priv->sta_lock, flags); +} + +static inline int iwl_sta_id(struct ieee80211_sta *sta) +{ + if (WARN_ON(!sta)) + return IWL_INVALID_STATION; + + return ((struct iwl_station_priv_common *)sta->drv_priv)->sta_id; +} #endif /* __iwl_sta_h__ */ |