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

/******************************************************************************
 *
 * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
 *
 * Portions of this file are derived from the ipw3945 project, as well
 * as portions of the ieee80211 subsystem header files.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/
#ifndef __iwl_sta_h__
#define __iwl_sta_h__

#include "iwl-dev.h"

#define HW_KEY_DYNAMIC 0
#define HW_KEY_DEFAULT 1

#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 */


/**
 * 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);

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);

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_send_add_sta(struct iwl_priv *priv,
		     struct iwl_addsta_cmd *sta, u8 flags);
int iwl_add_local_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);
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);

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__ */