diff options
Diffstat (limited to 'target/linux/package/ieee80211-dscape/src/sta_info.h')
| -rw-r--r-- | target/linux/package/ieee80211-dscape/src/sta_info.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/target/linux/package/ieee80211-dscape/src/sta_info.h b/target/linux/package/ieee80211-dscape/src/sta_info.h new file mode 100644 index 0000000000..ef6906d56d --- /dev/null +++ b/target/linux/package/ieee80211-dscape/src/sta_info.h @@ -0,0 +1,142 @@ +/* + * 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 */ |