Commit 85249e5f authored by Ron Rindjunsky's avatar Ron Rindjunsky Committed by John W. Linville
Browse files

mac80211: tear down of block ack sessions

This patch adds a clean tear down for all block ack sessions if interface
goes down or if a deauthentication is done.
Signed-off-by: default avatarRon Rindjunsky <>
Signed-off-by: default avatarTomas Winkler <>
Signed-off-by: default avatarJohn W. Linville <>
parent 7b9d44cd
......@@ -386,7 +386,6 @@ static int ieee80211_stop(struct net_device *dev)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
int i;
* Stop TX on this interface first.
......@@ -400,11 +399,7 @@ static int ieee80211_stop(struct net_device *dev)
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (sta->sdata == sdata)
for (i = 0; i < STA_TID_NUM; i++)
sta->addr, i,
ieee80211_sta_tear_down_BA_sessions(dev, sta->addr);
......@@ -928,10 +928,12 @@ void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
u16 agg_size, u16 timeout);
void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
u16 initiator, u16 reason_code);
void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
u16 tid, u16 initiator, u16 reason);
void sta_rx_agg_session_timer_expired(unsigned long data);
void sta_addba_resp_timer_expired(unsigned long data);
void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr);
u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
enum ieee80211_band band);
......@@ -467,8 +467,8 @@ static void ieee80211_set_associated(struct net_device *dev,
memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(dev, ifsta);
} else {
ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
......@@ -1518,6 +1518,19 @@ void sta_rx_agg_session_timer_expired(unsigned long data)
void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr)
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
int i;
for (i = 0; i < STA_TID_NUM; i++) {
ieee80211_stop_tx_ba_session(&local->hw, addr, i,
ieee80211_sta_stop_rx_ba_session(dev, addr, i,
static void ieee80211_rx_mgmt_auth(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
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