diff options
Diffstat (limited to 'package/kernel/mac80211/patches/343-mac80211-send-delBA-on-unexpected-BlockAck-data-fram.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/343-mac80211-send-delBA-on-unexpected-BlockAck-data-fram.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/package/kernel/mac80211/patches/343-mac80211-send-delBA-on-unexpected-BlockAck-data-fram.patch b/package/kernel/mac80211/patches/343-mac80211-send-delBA-on-unexpected-BlockAck-data-fram.patch deleted file mode 100644 index 3bbca22b46..0000000000 --- a/package/kernel/mac80211/patches/343-mac80211-send-delBA-on-unexpected-BlockAck-data-fram.patch +++ /dev/null @@ -1,64 +0,0 @@ -From: Johannes Berg <johannes.berg@intel.com> -Date: Mon, 29 Aug 2016 23:25:18 +0300 -Subject: [PATCH] mac80211: send delBA on unexpected BlockAck data frames - -When we receive data frames with ACK policy BlockAck, send -delBA as requested by the 802.11 spec. Since this would be -happening for every frame inside an A-MPDU if it's really -received outside a session, limit it to a single attempt. - -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - ---- a/net/mac80211/agg-rx.c -+++ b/net/mac80211/agg-rx.c -@@ -388,8 +388,10 @@ void __ieee80211_start_rx_ba_session(str - } - - end: -- if (status == WLAN_STATUS_SUCCESS) -+ if (status == WLAN_STATUS_SUCCESS) { - __set_bit(tid, sta->ampdu_mlme.agg_session_valid); -+ __clear_bit(tid, sta->ampdu_mlme.unexpected_agg); -+ } - mutex_unlock(&sta->ampdu_mlme.mtx); - - end_no_lock: ---- a/net/mac80211/rx.c -+++ b/net/mac80211/rx.c -@@ -1072,8 +1072,15 @@ static void ieee80211_rx_reorder_ampdu(s - tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; - - tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]); -- if (!tid_agg_rx) -+ if (!tid_agg_rx) { -+ if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK && -+ !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) && -+ !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg)) -+ ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid, -+ WLAN_BACK_RECIPIENT, -+ WLAN_REASON_QSTA_REQUIRE_SETUP); - goto dont_reorder; -+ } - - /* qos null data frames are excluded */ - if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC))) ---- a/net/mac80211/sta_info.h -+++ b/net/mac80211/sta_info.h -@@ -230,6 +230,8 @@ struct tid_ampdu_rx { - * @tid_rx_stop_requested: bitmap indicating which BA sessions per TID the - * driver requested to close until the work for it runs - * @agg_session_valid: bitmap indicating which TID has a rx BA session open on -+ * @unexpected_agg: bitmap indicating which TID already sent a delBA due to -+ * unexpected aggregation related frames outside a session - * @work: work struct for starting/stopping aggregation - * @tid_tx: aggregation info for Tx per TID - * @tid_start_tx: sessions where start was requested -@@ -244,6 +246,7 @@ struct sta_ampdu_mlme { - unsigned long tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; - unsigned long tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; - unsigned long agg_session_valid[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; -+ unsigned long unexpected_agg[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]; - /* tx */ - struct work_struct work; - struct tid_ampdu_tx __rcu *tid_tx[IEEE80211_NUM_TIDS]; |