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Diffstat (limited to 'package/kernel/mac80211/patches/subsys/319-mac80211-unify-802.3-offload-and-802.11-tx-status-co.patch')
-rw-r--r--package/kernel/mac80211/patches/subsys/319-mac80211-unify-802.3-offload-and-802.11-tx-status-co.patch159
1 files changed, 159 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/319-mac80211-unify-802.3-offload-and-802.11-tx-status-co.patch b/package/kernel/mac80211/patches/subsys/319-mac80211-unify-802.3-offload-and-802.11-tx-status-co.patch
new file mode 100644
index 0000000000..7bb54f499b
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/319-mac80211-unify-802.3-offload-and-802.11-tx-status-co.patch
@@ -0,0 +1,159 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Mon, 17 Aug 2020 13:54:19 +0200
+Subject: [PATCH] mac80211: unify 802.3 (offload) and 802.11 tx status
+ codepath
+
+Make ieee80211_tx_status_8023 call ieee80211_tx_status_ext, similar to
+ieee80211_tx_status.
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -903,7 +903,6 @@ static void __ieee80211_tx_status(struct
+ struct ieee80211_bar *bar;
+ int shift = 0;
+ int tid = IEEE80211_NUM_TIDS;
+- u16 tx_time_est;
+
+ sband = local->hw.wiphy->bands[info->band];
+ fc = hdr->frame_control;
+@@ -996,17 +995,6 @@ static void __ieee80211_tx_status(struct
+ ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
+ ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
+ acked, info->status.tx_time);
+-
+- if ((tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
+- /* Do this here to avoid the expensive lookup of the sta
+- * in ieee80211_report_used_skb().
+- */
+- ieee80211_sta_update_pending_airtime(local, sta,
+- skb_get_queue_mapping(skb),
+- tx_time_est,
+- true);
+- ieee80211_info_set_tx_time_est(info, 0);
+- }
+ }
+
+ /* SNMP counters
+@@ -1102,9 +1090,11 @@ void ieee80211_tx_status_ext(struct ieee
+ struct ieee80211_tx_info *info = status->info;
+ struct ieee80211_sta *pubsta = status->sta;
+ struct ieee80211_supported_band *sband;
+- struct sta_info *sta;
++ struct sk_buff *skb = status->skb;
++ struct sta_info *sta = NULL;
+ int rates_idx, retry_count;
+ bool acked, noack_success;
++ u16 tx_time_est;
+
+ if (pubsta) {
+ sta = container_of(pubsta, struct sta_info, sta);
+@@ -1156,7 +1146,18 @@ void ieee80211_tx_status_ext(struct ieee
+ ieee80211s_update_metric(local, sta, status);
+ }
+
+- if (status->skb)
++ if (skb && (tx_time_est = ieee80211_info_get_tx_time_est(info)) > 0) {
++ /* Do this here to avoid the expensive lookup of the sta
++ * in ieee80211_report_used_skb().
++ */
++ ieee80211_sta_update_pending_airtime(local, sta,
++ skb_get_queue_mapping(skb),
++ tx_time_est,
++ true);
++ ieee80211_info_set_tx_time_est(info, 0);
++ }
++
++ if (skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
+ return __ieee80211_tx_status(hw, status, rates_idx,
+ retry_count);
+
+@@ -1171,6 +1172,12 @@ void ieee80211_tx_status_ext(struct ieee
+ } else {
+ I802_DEBUG_INC(local->dot11FailedCount);
+ }
++
++ if (!skb)
++ return;
++
++ ieee80211_report_used_skb(local, skb, false);
++ dev_kfree_skb(skb);
+ }
+ EXPORT_SYMBOL(ieee80211_tx_status_ext);
+
+@@ -1197,66 +1204,23 @@ void ieee80211_tx_status_8023(struct iee
+ struct ieee80211_vif *vif,
+ struct sk_buff *skb)
+ {
+- struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
+- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++ struct ieee80211_tx_status status = {
++ .skb = skb,
++ .info = IEEE80211_SKB_CB(skb),
++ };
+ struct sta_info *sta;
+- int retry_count;
+- int rates_idx;
+- bool acked;
+
+ sdata = vif_to_sdata(vif);
+
+- acked = info->flags & IEEE80211_TX_STAT_ACK;
+- rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
+-
+ rcu_read_lock();
+
+- if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
+- goto counters_update;
+-
+- if (IS_ERR(sta))
+- goto counters_update;
+-
+- if (!acked)
+- sta->status_stats.retry_failed++;
+-
+- if (rates_idx != -1)
+- sta->tx_stats.last_rate = info->status.rates[rates_idx];
+-
+- sta->status_stats.retry_count += retry_count;
+-
+- if (ieee80211_hw_check(hw, REPORTS_TX_ACK_STATUS)) {
+- sta->status_stats.last_ack = jiffies;
+- if (info->flags & IEEE80211_TX_STAT_ACK) {
+- if (sta->status_stats.lost_packets)
+- sta->status_stats.lost_packets = 0;
++ if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta))
++ status.sta = &sta->sta;
+
+- sta->status_stats.last_pkt_time = jiffies;
+- } else {
+- ieee80211_lost_packet(sta, info);
+- }
+- }
++ ieee80211_tx_status_ext(hw, &status);
+
+-counters_update:
+ rcu_read_unlock();
+- ieee80211_led_tx(local);
+-
+- if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
+- !(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED))
+- goto skip_stats_update;
+-
+- I802_DEBUG_INC(local->dot11TransmittedFrameCount);
+- if (is_multicast_ether_addr(skb->data))
+- I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);
+- if (retry_count > 0)
+- I802_DEBUG_INC(local->dot11RetryCount);
+- if (retry_count > 1)
+- I802_DEBUG_INC(local->dot11MultipleRetryCount);
+-
+-skip_stats_update:
+- ieee80211_report_used_skb(local, skb, false);
+- dev_kfree_skb(skb);
+ }
+ EXPORT_SYMBOL(ieee80211_tx_status_8023);
+