diff options
Diffstat (limited to 'package/mac80211/patches/560-mac80211_defer_bar_tx.patch')
-rw-r--r-- | package/mac80211/patches/560-mac80211_defer_bar_tx.patch | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/package/mac80211/patches/560-mac80211_defer_bar_tx.patch b/package/mac80211/patches/560-mac80211_defer_bar_tx.patch deleted file mode 100644 index 15f812c..0000000 --- a/package/mac80211/patches/560-mac80211_defer_bar_tx.patch +++ /dev/null @@ -1,103 +0,0 @@ ---- a/net/mac80211/sta_info.h -+++ b/net/mac80211/sta_info.h -@@ -84,6 +84,8 @@ enum ieee80211_sta_info_flags { - * @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. -@@ -104,6 +106,9 @@ struct tid_ampdu_tx { - u8 stop_initiator; - bool tx_stop; - u8 buf_size; -+ -+ u16 failed_bar_ssn; -+ bool bar_pending; - }; - - /** ---- a/net/mac80211/status.c -+++ b/net/mac80211/status.c -@@ -127,12 +127,32 @@ static void ieee80211_handle_filtered_fr - dev_kfree_skb(skb); - } - -+static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid) -+{ -+ struct tid_ampdu_tx *tid_tx; -+ -+ tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]); -+ if (!tid_tx || !tid_tx->bar_pending) -+ return; -+ -+ tid_tx->bar_pending = false; -+ ieee80211_send_bar(sta->sdata, addr, tid, tid_tx->failed_bar_ssn); -+} -+ - static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) - { - struct ieee80211_mgmt *mgmt = (void *) skb->data; - struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata = sta->sdata; - -+ if (ieee80211_is_data_qos(mgmt->frame_control)) { -+ struct ieee80211_hdr *hdr = (void *) skb->data; -+ u8 *qc = ieee80211_get_qos_ctl(hdr); -+ u16 tid = qc[0] & 0xf; -+ -+ ieee80211_check_pending_bar(sta, hdr->addr1, tid); -+ } -+ - if (ieee80211_is_action(mgmt->frame_control) && - sdata->vif.type == NL80211_IFTYPE_STATION && - mgmt->u.action.category == WLAN_CATEGORY_HT && -@@ -161,6 +181,18 @@ static void ieee80211_frame_acked(struct - } - } - -+static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn) -+{ -+ struct tid_ampdu_tx *tid_tx; -+ -+ tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]); -+ if (!tid_tx) -+ return; -+ -+ tid_tx->failed_bar_ssn = ssn; -+ tid_tx->bar_pending = true; -+} -+ - /* - * Use a static threshold for now, best value to be determined - * by testing ... -@@ -246,6 +278,8 @@ void ieee80211_tx_status(struct ieee8021 - } - - if (!acked && ieee80211_is_back_req(fc)) { -+ u16 control; -+ - /* - * BAR failed, let's tear down the BA session as a - * last resort as some STAs (Intel 5100 on Windows) -@@ -253,11 +287,15 @@ void ieee80211_tx_status(struct ieee8021 - * correctly. - */ - bar = (struct ieee80211_bar *) skb->data; -- if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) { -- tid = (bar->control & -+ control = le16_to_cpu(bar->control); -+ if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) { -+ u16 ssn = le16_to_cpu(bar->start_seq_num); -+ -+ tid = (control & - IEEE80211_BAR_CTRL_TID_INFO_MASK) >> - IEEE80211_BAR_CTRL_TID_INFO_SHIFT; -- ieee80211_stop_tx_ba_session(&sta->sta, tid); -+ -+ ieee80211_set_bar_pending(sta, tid, ssn); - } - } - |