diff options
Diffstat (limited to 'net/mac80211/sta_info.h')
| -rw-r--r-- | net/mac80211/sta_info.h | 110 |
1 files changed, 77 insertions, 33 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 96fe3ed9503..86eed40ada7 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -15,31 +15,72 @@ #include <linux/kref.h> #include "ieee80211_key.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) -/* whether this is an AP that we are associated with as a client */ -#define WLAN_STA_ASSOC_AP BIT(8) -#define WLAN_STA_WME BIT(9) -#define WLAN_STA_WDS BIT(27) +/** + * 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_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. + * @WLAN_STA_PSPOLL: Station has just PS-polled us. + * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the + * IEEE80211_TXCTL_CLEAR_PS_FILT control flag) when the next + * frame to this station is transmitted. + */ +enum ieee80211_sta_info_flags { + WLAN_STA_AUTH = 1<<0, + WLAN_STA_ASSOC = 1<<1, + WLAN_STA_PS = 1<<2, + WLAN_STA_AUTHORIZED = 1<<3, + WLAN_STA_SHORT_PREAMBLE = 1<<4, + WLAN_STA_ASSOC_AP = 1<<5, + WLAN_STA_WME = 1<<6, + WLAN_STA_WDS = 1<<7, + WLAN_STA_PSPOLL = 1<<8, + WLAN_STA_CLEAR_PS_FILT = 1<<9, +}; #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 (0x7) +#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). @@ -69,12 +110,18 @@ struct tid_ampdu_rx { /** * struct sta_ampdu_mlme - STA aggregation information. * - * @tid_agg_info_rx: aggregation info for Rx per TID + * @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 { @@ -90,12 +137,9 @@ struct sta_info { 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; @@ -104,10 +148,11 @@ struct sta_info { 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; + /* 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 */ @@ -132,8 +177,6 @@ struct sta_info { 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; @@ -148,20 +191,20 @@ struct sta_info { 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 }; @@ -191,16 +234,17 @@ static inline void __sta_info_get(struct sta_info *sta) } 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_put(struct sta_info *sta); -struct sta_info * sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr, gfp_t gfp); +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); +void sta_info_set_tim_bit(struct sta_info *sta); +void sta_info_clear_tim_bit(struct sta_info *sta); + #endif /* STA_INFO_H */ |