mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
91 lines
2.5 KiB
Diff
91 lines
2.5 KiB
Diff
--- 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 ...
|
|
@@ -254,10 +286,13 @@ void ieee80211_tx_status(struct ieee8021
|
|
*/
|
|
bar = (struct ieee80211_bar *) skb->data;
|
|
if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) {
|
|
+ u16 ssn = le16_to_cpu(bar->start_seq_num);
|
|
+
|
|
tid = (bar->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);
|
|
}
|
|
}
|
|
|