143 lines
4.6 KiB
C
143 lines
4.6 KiB
C
|
/*
|
||
|
|
* Copyright 2002-2005, Devicescape Software, Inc.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef STA_INFO_H
|
||
|
|
#define STA_INFO_H
|
||
|
|
|
||
|
|
/* Stations flags (struct sta_info::flags) */
|
||
|
|
#define WLAN_STA_AUTH BIT(0)
|
||
|
|
#define WLAN_STA_ASSOC BIT(1)
|
||
|
|
#define WLAN_STA_PS BIT(2)
|
||
|
|
#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */
|
||
|
|
#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */
|
||
|
|
#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is
|
||
|
|
* controlling whether STA is authorized to
|
||
|
|
* send and receive non-IEEE 802.1X frames
|
||
|
|
*/
|
||
|
|
#define WLAN_STA_SHORT_PREAMBLE BIT(7)
|
||
|
|
#define WLAN_STA_WME BIT(9)
|
||
|
|
#define WLAN_STA_XR BIT(26)
|
||
|
|
#define WLAN_STA_WDS BIT(27)
|
||
|
|
|
||
|
|
|
||
|
|
struct sta_info {
|
||
|
|
struct list_head list;
|
||
|
|
struct sta_info *hnext; /* next entry in hash table list */
|
||
|
|
atomic_t users; /* number of users (do not remove if > 0) */
|
||
|
|
|
||
|
|
u8 addr[ETH_ALEN];
|
||
|
|
u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */
|
||
|
|
u32 flags; /* WLAN_STA_ */
|
||
|
|
|
||
|
|
struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in
|
||
|
|
* power saving state */
|
||
|
|
int pspoll; /* whether STA has send a PS Poll frame */
|
||
|
|
struct sk_buff_head tx_filtered; /* buffer of TX frames that were
|
||
|
|
* already given to low-level driver,
|
||
|
|
* but were filtered */
|
||
|
|
int clear_dst_mask;
|
||
|
|
|
||
|
|
unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */
|
||
|
|
unsigned long rx_bytes, tx_bytes;
|
||
|
|
unsigned long tx_retry_failed, tx_retry_count;
|
||
|
|
unsigned long tx_filtered_count;
|
||
|
|
|
||
|
|
unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
|
||
|
|
|
||
|
|
unsigned long last_rx;
|
||
|
|
u32 supp_rates; /* bitmap of supported rates in local->curr_rates */
|
||
|
|
int txrate; /* index in local->curr_rates */
|
||
|
|
int last_txrate; /* last rate used to send a frame to this STA */
|
||
|
|
int last_nonerp_idx;
|
||
|
|
|
||
|
|
struct net_device *dev; /* which net device is this station associated
|
||
|
|
* to */
|
||
|
|
|
||
|
|
struct ieee80211_key *key;
|
||
|
|
|
||
|
|
u32 tx_num_consecutive_failures;
|
||
|
|
u32 tx_num_mpdu_ok;
|
||
|
|
u32 tx_num_mpdu_fail;
|
||
|
|
|
||
|
|
void *rate_ctrl_priv;
|
||
|
|
|
||
|
|
/* last received seq/frag number from this STA (per RX queue) */
|
||
|
|
u16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
|
||
|
|
unsigned long num_duplicates; /* number of duplicate frames received
|
||
|
|
* from this STA */
|
||
|
|
unsigned long tx_fragments; /* number of transmitted MPDUs */
|
||
|
|
unsigned long rx_fragments; /* number of received MPDUs */
|
||
|
|
unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
|
||
|
|
|
||
|
|
int last_rssi; /* RSSI of last received frame from this STA */
|
||
|
|
int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
|
||
|
|
unsigned long last_ack;
|
||
|
|
int channel_use;
|
||
|
|
int channel_use_raw;
|
||
|
|
|
||
|
|
int antenna_sel;
|
||
|
|
|
||
|
|
|
||
|
|
int key_idx_compression; /* key table index for compression and TX
|
||
|
|
* filtering; used only if sta->key is not
|
||
|
|
* set */
|
||
|
|
|
||
|
|
int proc_entry_added:1;
|
||
|
|
int assoc_ap:1; /* whether this is an AP that we are associated with
|
||
|
|
* as a client */
|
||
|
|
|
||
|
|
#ifdef CONFIG_HOSTAPD_WPA_TESTING
|
||
|
|
u32 wpa_trigger;
|
||
|
|
#endif /* CONFIG_HOSTAPD_WPA_TESTING */
|
||
|
|
|
||
|
|
#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
|
||
|
|
unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
|
||
|
|
unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
|
||
|
|
#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
|
||
|
|
|
||
|
|
int vlan_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/* Maximum number of concurrently registered stations */
|
||
|
|
#define MAX_STA_COUNT 2007
|
||
|
|
|
||
|
|
/* Maximum number of AIDs to use for STAs; must be 2007 or lower
|
||
|
|
* (IEEE 802.11 beacon format limitation) */
|
||
|
|
#define MAX_AID_TABLE_SIZE 2007
|
||
|
|
|
||
|
|
#define STA_HASH_SIZE 256
|
||
|
|
#define STA_HASH(sta) (sta[5])
|
||
|
|
|
||
|
|
|
||
|
|
/* Maximum number of frames to buffer per power saving station */
|
||
|
|
#define STA_MAX_TX_BUFFER 128
|
||
|
|
|
||
|
|
/* Buffered frame expiry time */
|
||
|
|
#define STA_TX_BUFFER_EXPIRE (10 * HZ)
|
||
|
|
|
||
|
|
/* How often station data is cleaned up (e.g., expiration of buffered frames)
|
||
|
|
*/
|
||
|
|
#define STA_INFO_CLEANUP_INTERVAL (10 * HZ)
|
||
|
|
|
||
|
|
|
||
|
|
struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
|
||
|
|
int sta_info_min_txrate_get(struct ieee80211_local *local);
|
||
|
|
void sta_info_release(struct ieee80211_local *local, struct sta_info *sta);
|
||
|
|
struct sta_info * sta_info_add(struct ieee80211_local *local,
|
||
|
|
struct net_device *dev, u8 *addr);
|
||
|
|
void sta_info_free(struct ieee80211_local *local, struct sta_info *sta,
|
||
|
|
int locked);
|
||
|
|
void sta_info_init(struct ieee80211_local *local);
|
||
|
|
void sta_info_start(struct ieee80211_local *local);
|
||
|
|
void sta_info_stop(struct ieee80211_local *local);
|
||
|
|
void sta_info_remove_aid_ptr(struct sta_info *sta);
|
||
|
|
void sta_info_flush(struct ieee80211_local *local, struct net_device *dev);
|
||
|
|
|
||
|
|
#endif /* STA_INFO_H */
|