diff options
Diffstat (limited to 'net/mac80211/sta_info.h')
| -rw-r--r-- | net/mac80211/sta_info.h | 102 |
1 files changed, 63 insertions, 39 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 4947341a2a8..4acc5fc402f 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -203,6 +203,7 @@ struct tid_ampdu_rx { * driver requested to close until the work for it runs * @mtx: mutex to protect all TX data (except non-NULL assignments * to tid_tx[idx], which are protected by the sta spinlock) + * tid_start_tx is also protected by sta->lock. */ struct sta_ampdu_mlme { struct mutex mtx; @@ -219,6 +220,25 @@ struct sta_ampdu_mlme { u8 dialog_token_allocator; }; +/* + * struct ieee80211_tx_latency_stat - Tx latency statistics + * + * Measures TX latency and jitter for a station per TID. + * + * @max: worst case latency + * @sum: sum of all latencies + * @counter: amount of Tx frames sent from interface + * @bins: each bin counts how many frames transmitted within a certain + * latency range. when disabled it is NULL. + * @bin_count: amount of bins. + */ +struct ieee80211_tx_latency_stat { + u32 max; + u32 sum; + u32 counter; + u32 *bins; + u32 bin_count; +}; /** * struct sta_info - STA information @@ -227,23 +247,28 @@ struct sta_ampdu_mlme { * mac80211 is communicating with. * * @list: global linked list entry + * @free_list: list entry for keeping track of stations to free * @hnext: hash table linked list pointer * @local: pointer to the global information * @sdata: virtual interface this station belongs to - * @ptk: peer key negotiated with this station, if any + * @ptk: peer keys negotiated with this station, if any + * @ptk_idx: last installed peer key index * @gtk: group keys negotiated with this station, if any + * @gtk_idx: last installed group key index * @rate_ctrl: rate control algorithm reference * @rate_ctrl_priv: rate control private per-STA pointer * @last_tx_rate: rate used for last transmit, to report to userspace as * "the" transmit rate * @last_rx_rate_idx: rx status rate index of the last data packet * @last_rx_rate_flag: rx status flag of the last data packet + * @last_rx_rate_vht_flag: rx status vht flag of the last data packet * @last_rx_rate_vht_nss: rx status nss of last data packet * @lock: used for locking all fields that require locking, see comments * in the header file. * @drv_unblock_wk: used for driver PS unblocking * @listen_interval: listen interval of this station, when we're acting as AP * @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly + * @ps_lock: used for powersave (when mac80211 is the AP) related locking * @ps_tx_buf: buffers (per AC) of frames to transmit to this station * when it leaves power saving state or polls * @tx_filtered: buffers (per AC) of frames we already tried to @@ -273,6 +298,7 @@ struct sta_ampdu_mlme { * @tid_seq: per-TID sequence numbers for sending to this STA * @ampdu_mlme: A-MPDU state machine state * @timer_to_tid: identity mapping to ID timers + * @tx_lat: Tx latency statistics * @llid: Local link ID * @plid: Peer link ID * @reason: Cancel reason on PLINK_HOLDING state @@ -281,7 +307,6 @@ struct sta_ampdu_mlme { * @plink_state: peer link state * @plink_timeout: timeout of peer link * @plink_timer: peer link watch timer - * @plink_timer_was_running: used by suspend/resume to restore timers * @t_offset: timing offset relative to this host * @t_offset_setpoint: reference timing offset of this sta to be used when * calculating clockdrift @@ -298,16 +323,24 @@ struct sta_ampdu_mlme { * @rcu_head: RCU head used for freeing this station struct * @cur_max_bandwidth: maximum bandwidth to use for TX to the station, * taken from HT/VHT capabilities or VHT operating mode notification + * @chains: chains ever used for RX from this station + * @chain_signal_last: last signal (per chain) + * @chain_signal_avg: signal average (per chain) + * @known_smps_mode: the smps_mode the client thinks we are in. Relevant for + * AP only. + * @cipher_scheme: optional cipher scheme for this station */ struct sta_info { /* General information, mostly static */ - struct list_head list; + struct list_head list, free_list; struct rcu_head rcu_head; struct sta_info __rcu *hnext; struct ieee80211_local *local; struct ieee80211_sub_if_data *sdata; struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; - struct ieee80211_key __rcu *ptk; + struct ieee80211_key __rcu *ptk[NUM_DEFAULT_KEYS]; + u8 gtk_idx; + u8 ptk_idx; struct rate_control_ref *rate_ctrl; void *rate_ctrl_priv; spinlock_t lock; @@ -325,16 +358,15 @@ struct sta_info { /* use the accessors defined below */ unsigned long _flags; - /* - * STA powersave frame queues, no more than the internal - * locking required. - */ + /* STA powersave lock and frame queues */ + spinlock_t ps_lock; struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS]; struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS]; unsigned long driver_buffered_tids; /* Updated from RX path only, no locking requirements */ - unsigned long rx_packets, rx_bytes; + unsigned long rx_packets; + u64 rx_bytes; unsigned long wep_weak_iv_count; unsigned long last_rx; long last_connected; @@ -344,6 +376,11 @@ struct sta_info { int last_signal; struct ewma avg_signal; int last_ack_signal; + + u8 chains; + s8 chain_signal_last[IEEE80211_MAX_CHAINS]; + struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS]; + /* Plus 1 for non-QoS frames */ __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1]; @@ -354,12 +391,13 @@ struct sta_info { unsigned int fail_avg; /* Updated from TX path only, no locking requirements */ - unsigned long tx_packets; - unsigned long tx_bytes; - unsigned long tx_fragments; + u32 tx_fragments; + u64 tx_packets[IEEE80211_NUM_ACS]; + u64 tx_bytes[IEEE80211_NUM_ACS]; struct ieee80211_tx_rate last_tx_rate; int last_rx_rate_idx; u32 last_rx_rate_flag; + u32 last_rx_rate_vht_flag; u8 last_rx_rate_vht_nss; u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; @@ -369,17 +407,18 @@ struct sta_info { struct sta_ampdu_mlme ampdu_mlme; u8 timer_to_tid[IEEE80211_NUM_TIDS]; + struct ieee80211_tx_latency_stat *tx_lat; + #ifdef CONFIG_MAC80211_MESH /* * Mesh peer link attributes * TODO: move to a sub-structure that is referenced with pointer? */ - __le16 llid; - __le16 plid; - __le16 reason; + u16 llid; + u16 plid; + u16 reason; u8 plink_retries; bool ignore_plink_timer; - bool plink_timer_was_running; enum nl80211_plink_state plink_state; u32 plink_timeout; struct timer_list plink_timer; @@ -403,6 +442,9 @@ struct sta_info { unsigned int lost_packets; unsigned int beacon_loss_count; + enum ieee80211_smps_mode known_smps_mode; + const struct ieee80211_cipher_scheme *cipher_scheme; + /* keep last! */ struct ieee80211_sta sta; }; @@ -565,21 +607,6 @@ void sta_info_recalc_tim(struct sta_info *sta); void sta_info_init(struct ieee80211_local *local); void sta_info_stop(struct ieee80211_local *local); -int sta_info_flush_defer(struct ieee80211_sub_if_data *sdata); - -/** - * sta_info_flush_cleanup - flush the sta_info cleanup queue - * @sdata: the interface - * - * Flushes the sta_info cleanup queue for a given interface; - * this is necessary before the interface is removed or, for - * AP/mesh interfaces, before it is deconfigured. - * - * Note an rcu_barrier() must precede the function, after all - * stations have been flushed/removed to ensure the call_rcu() - * calls that add stations to the cleanup queue have completed. - */ -void sta_info_flush_cleanup(struct ieee80211_sub_if_data *sdata); /** * sta_info_flush - flush matching STA entries from the STA table @@ -587,15 +614,13 @@ void sta_info_flush_cleanup(struct ieee80211_sub_if_data *sdata); * Returns the number of removed STA entries. * * @sdata: sdata to remove all stations from + * @vlans: if the given interface is an AP interface, also flush VLANs */ +int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans); + static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata) { - int ret = sta_info_flush_defer(sdata); - - rcu_barrier(); - sta_info_flush_cleanup(sdata); - - return ret; + return __sta_info_flush(sdata, false); } void sta_set_rate_info_tx(struct sta_info *sta, @@ -605,11 +630,10 @@ void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo); void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, unsigned long exp_time); +u8 sta_info_tx_streams(struct sta_info *sta); void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta); -void ieee80211_cleanup_sdata_stas(struct ieee80211_sub_if_data *sdata); - #endif /* STA_INFO_H */ |