* @stop_initiator: initiator of a session stop
* @tx_stop: TX DelBA frame when stopping
* @buf_size: reorder buffer size at receiver
+ * @failed_bar_ssn: ssn of the last failed BAR tx attempt
+ * @bar_pending: BAR needs to be re-sent
*
* This structure's lifetime is managed by RCU, assignments to
* the array holding it must hold the aggregation mutex.
u8 stop_initiator;
bool tx_stop;
u8 buf_size;
+
+ u16 failed_bar_ssn;
+ bool bar_pending;
};
/**
* @plink_timer: peer link watch timer
* @plink_timer_was_running: used by suspend/resume to restore timers
* @debugfs: debug filesystem info
- * @sta: station information we share with the driver
* @dead: set to true when sta is unlinked
* @uploaded: set to true when sta is uploaded to the driver
* @lost_packets: number of consecutive lost packets
+ * @dummy: indicate a dummy station created for receiving
+ * EAP frames before association
+ * @sta: station information we share with the driver
*/
struct sta_info {
/* General information, mostly static */
unsigned int lost_packets;
+ /* should be right in front of sta to be in the same cache line */
+ bool dummy;
+
/* keep last! */
struct ieee80211_sta sta;
};
struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
const u8 *addr);
+struct sta_info *sta_info_get_rx(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr);
+
struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
const u8 *addr);
+struct sta_info *sta_info_get_bss_rx(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr);
+
static inline
void for_each_sta_info_type_check(struct ieee80211_local *local,
const u8 *addr,
}
#define for_each_sta_info(local, _addr, _sta, nxt) \
+ for ( /* initialise loop */ \
+ _sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\
+ nxt = _sta ? rcu_dereference(_sta->hnext) : NULL; \
+ /* typecheck */ \
+ for_each_sta_info_type_check(local, (_addr), _sta, nxt),\
+ /* continue condition */ \
+ _sta; \
+ /* advance loop */ \
+ _sta = nxt, \
+ nxt = _sta ? rcu_dereference(_sta->hnext) : NULL \
+ ) \
+ /* run code only if address matches and it's not a dummy sta */ \
+ if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0 && \
+ !_sta->dummy)
+
+#define for_each_sta_info_rx(local, _addr, _sta, nxt) \
for ( /* initialise loop */ \
_sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\
nxt = _sta ? rcu_dereference(_sta->hnext) : NULL; \
int sta_info_insert(struct sta_info *sta);
int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU);
int sta_info_insert_atomic(struct sta_info *sta);
+int sta_info_reinsert(struct sta_info *sta);
int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata,
const u8 *addr);