diff options
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index d3b5cc57af40..8e440c5706dd 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -574,6 +574,7 @@ struct ieee80211_local { unsigned int filter_flags; /* FIF_* */ struct iw_statistics wstats; u8 wstats_flags; + bool tim_in_locked_section; /* see ieee80211_beacon_get() */ int tx_headroom; /* required headroom for hardware/radiotap */ enum { @@ -591,9 +592,15 @@ struct ieee80211_local { struct sk_buff_head skb_queue; struct sk_buff_head skb_queue_unreliable; - /* Station data structures */ - rwlock_t sta_lock; /* protects STA data structures */ - int num_sta; /* number of stations in sta_list */ + /* Station data */ + /* + * The lock only protects the list, hash, timer and counter + * against manipulation, reads are done in RCU. Additionally, + * the lock protects each BSS's TIM bitmap and a few items + * in a STA info structure. + */ + spinlock_t sta_lock; + unsigned long num_sta; struct list_head sta_list; struct sta_info *sta_hash[STA_HASH_SIZE]; struct timer_list sta_cleanup; |