diff options
Diffstat (limited to 'package/mac80211/src/net/mac80211/sta_info.h')
| -rw-r--r-- | package/mac80211/src/net/mac80211/sta_info.h | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/package/mac80211/src/net/mac80211/sta_info.h b/package/mac80211/src/net/mac80211/sta_info.h deleted file mode 100644 index 19f3fb4129..0000000000 --- a/package/mac80211/src/net/mac80211/sta_info.h +++ /dev/null @@ -1,251 +0,0 @@ -/* - * 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 - -#include <linux/list.h> -#include <linux/types.h> -#include <linux/if_ether.h> -#include <linux/kref.h> -#include "ieee80211_key.h" - -/** - * enum ieee80211_sta_info_flags - Stations flags - * - * These flags are used with &struct sta_info's @flags member. - * - * @WLAN_STA_AUTH: Station is authenticated. - * @WLAN_STA_ASSOC: Station is associated. - * @WLAN_STA_PS: Station is in power-save mode - * @WLAN_STA_TIM: TIM bit is on for this PS station (traffic buffered) - * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic. - * This bit is always checked so needs to be enabled for all stations - * when virtual port control is not in use. - * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble - * frames. - * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. - * @WLAN_STA_WME: Station is a QoS-STA. - * @WLAN_STA_WDS: Station is one of our WDS peers. - */ -enum ieee80211_sta_info_flags { - WLAN_STA_AUTH = 1<<0, - WLAN_STA_ASSOC = 1<<1, - WLAN_STA_PS = 1<<2, - WLAN_STA_TIM = 1<<3, - WLAN_STA_AUTHORIZED = 1<<4, - WLAN_STA_SHORT_PREAMBLE = 1<<5, - WLAN_STA_ASSOC_AP = 1<<6, - WLAN_STA_WME = 1<<7, - WLAN_STA_WDS = 1<<8, -}; - -#define STA_TID_NUM 16 -#define ADDBA_RESP_INTERVAL HZ -#define HT_AGG_MAX_RETRIES (0x3) - -#define HT_AGG_STATE_INITIATOR_SHIFT (4) - -#define HT_ADDBA_REQUESTED_MSK BIT(0) -#define HT_ADDBA_DRV_READY_MSK BIT(1) -#define HT_ADDBA_RECEIVED_MSK BIT(2) -#define HT_AGG_STATE_REQ_STOP_BA_MSK BIT(3) -#define HT_AGG_STATE_INITIATOR_MSK BIT(HT_AGG_STATE_INITIATOR_SHIFT) -#define HT_AGG_STATE_IDLE (0x0) -#define HT_AGG_STATE_OPERATIONAL (HT_ADDBA_REQUESTED_MSK | \ - HT_ADDBA_DRV_READY_MSK | \ - HT_ADDBA_RECEIVED_MSK) - -/** - * struct tid_ampdu_tx - TID aggregation information (Tx). - * - * @state: TID's state in session state machine. - * @dialog_token: dialog token for aggregation session - * @ssn: Starting Sequence Number expected to be aggregated. - * @addba_resp_timer: timer for peer's response to addba request - * @addba_req_num: number of times addBA request has been sent. - */ -struct tid_ampdu_tx { - u8 state; - u8 dialog_token; - u16 ssn; - struct timer_list addba_resp_timer; - u8 addba_req_num; -}; - -/** - * struct tid_ampdu_rx - TID aggregation information (Rx). - * - * @state: TID's state in session state machine. - * @dialog_token: dialog token for aggregation session - * @ssn: Starting Sequence Number expected to be aggregated. - * @buf_size: buffer size for incoming A-MPDUs - * @timeout: reset timer value. - * @head_seq_num: head sequence number in reordering buffer. - * @stored_mpdu_num: number of MPDUs in reordering buffer - * @reorder_buf: buffer to reorder incoming aggregated MPDUs - * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) - */ -struct tid_ampdu_rx { - u8 state; - u8 dialog_token; - u16 ssn; - u16 buf_size; - u16 timeout; - u16 head_seq_num; - u16 stored_mpdu_num; - struct sk_buff **reorder_buf; - struct timer_list session_timer; -}; - -/** - * struct sta_ampdu_mlme - STA aggregation information. - * - * @tid_rx: aggregation info for Rx per TID - * @tid_tx: aggregation info for Tx per TID - * @ampdu_rx: for locking sections in aggregation Rx flow - * @ampdu_tx: for locking sectionsi in aggregation Tx flow - * @dialog_token_allocator: dialog token enumerator for each new session; - */ -struct sta_ampdu_mlme { - struct tid_ampdu_rx tid_rx[STA_TID_NUM]; - struct tid_ampdu_tx tid_tx[STA_TID_NUM]; - spinlock_t ampdu_rx; - spinlock_t ampdu_tx; - u8 dialog_token_allocator; -}; - -struct sta_info { - struct kref kref; - struct list_head list; - struct sta_info *hnext; /* next entry in hash table list */ - - struct ieee80211_local *local; - - 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; - /* bitmap of supported rates per band */ - u64 supp_rates[IEEE80211_NUM_BANDS]; - int txrate_idx; - /* last rates used to send a frame to this STA */ - int last_txrate_idx, last_nonerp_txrate_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; - - struct rate_control_ref *rate_ctrl; - void *rate_ctrl_priv; - - /* last received seq/frag number from this STA (per RX queue) */ - __le16 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_signal; /* signal of last received frame from this STA */ - int last_noise; /* noise 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; - -#ifdef CONFIG_MAC80211_DEBUG_COUNTERS - unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; - unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; -#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ - - u16 listen_interval; - - struct ieee80211_ht_info ht_info; /* 802.11n HT capabilities - of this STA */ - struct sta_ampdu_mlme ampdu_mlme; - u8 timer_to_tid[STA_TID_NUM]; /* convert timer id to tid */ - u8 tid_to_tx_q[STA_TID_NUM]; /* map tid to tx queue */ - -#ifdef CONFIG_MAC80211_DEBUGFS - struct sta_info_debugfsdentries { - struct dentry *dir; - struct dentry *flags; - struct dentry *num_ps_buf_frames; - struct dentry *last_ack_rssi; - struct dentry *last_ack_ms; - struct dentry *inactive_ms; - struct dentry *last_seq_ctrl; -#ifdef CONFIG_MAC80211_DEBUG_COUNTERS - struct dentry *wme_rx_queue; - struct dentry *wme_tx_queue; -#endif - struct dentry *agg_status; - } debugfs; -#endif -}; - - -/* Maximum number of concurrently registered stations */ -#define MAX_STA_COUNT 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 - -/* Minimum buffered frame expiry time. If STA uses listen interval that is - * smaller than this value, the minimum value here is used instead. */ -#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) - -static inline void __sta_info_get(struct sta_info *sta) -{ - kref_get(&sta->kref); -} - -struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr); -void sta_info_put(struct sta_info *sta); -struct sta_info * sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr, gfp_t gfp); -void sta_info_remove(struct sta_info *sta); -void sta_info_free(struct sta_info *sta); -void sta_info_init(struct ieee80211_local *local); -int 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 */ |