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83 lines
2.7 KiB
Diff
83 lines
2.7 KiB
Diff
From: Markus Theil <markus.theil@tu-ilmenau.de>
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Date: Wed, 18 Dec 2019 15:27:36 +0100
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Subject: [PATCH] mac80211: fix tx status for no ack cases
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Before this patch, frames which where successfully transmitted without
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requiring acks where accounted as lost frames.
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Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
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Link: https://lore.kernel.org/r/20191218142736.15843-1-markus.theil@tu-ilmenau.de
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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--- a/net/mac80211/status.c
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+++ b/net/mac80211/status.c
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@@ -881,6 +881,7 @@ static void __ieee80211_tx_status(struct
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int rates_idx;
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bool send_to_cooked;
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bool acked;
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+ bool noack_success;
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struct ieee80211_bar *bar;
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int shift = 0;
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int tid = IEEE80211_NUM_TIDS;
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@@ -898,6 +899,8 @@ static void __ieee80211_tx_status(struct
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clear_sta_flag(sta, WLAN_STA_SP);
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acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
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+ noack_success = !!(info->flags &
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+ IEEE80211_TX_STAT_NOACK_TRANSMITTED);
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/* mesh Peer Service Period support */
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if (ieee80211_vif_is_mesh(&sta->sdata->vif) &&
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@@ -962,12 +965,12 @@ static void __ieee80211_tx_status(struct
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ieee80211_handle_filtered_frame(local, sta, skb);
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return;
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} else {
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- if (!acked)
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+ if (!acked && !noack_success)
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sta->status_stats.retry_failed++;
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sta->status_stats.retry_count += retry_count;
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if (ieee80211_is_data_present(fc)) {
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- if (!acked)
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+ if (!acked && !noack_success)
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sta->status_stats.msdu_failed[tid]++;
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sta->status_stats.msdu_retries[tid] +=
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@@ -994,7 +997,7 @@ static void __ieee80211_tx_status(struct
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info->status.tx_time, 0);
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if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
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- if (info->flags & IEEE80211_TX_STAT_ACK) {
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+ if (acked) {
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if (sta->status_stats.lost_packets)
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sta->status_stats.lost_packets = 0;
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@@ -1002,6 +1005,8 @@ static void __ieee80211_tx_status(struct
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if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
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sta->status_stats.last_tdls_pkt_time =
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jiffies;
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+ } else if (noack_success) {
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+ /* nothing to do here, do not account as lost */
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} else {
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ieee80211_lost_packet(sta, info);
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}
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@@ -1127,7 +1132,7 @@ void ieee80211_tx_status_ext(struct ieee
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sta = container_of(pubsta, struct sta_info, sta);
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- if (!acked)
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+ if (!acked && !noack_success)
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sta->status_stats.retry_failed++;
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sta->status_stats.retry_count += retry_count;
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@@ -1142,6 +1147,8 @@ void ieee80211_tx_status_ext(struct ieee
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sta->status_stats.last_tdls_pkt_time = jiffies;
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} else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
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return;
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+ } else if (noack_success) {
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+ /* nothing to do here, do not account as lost */
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} else {
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ieee80211_lost_packet(sta, info);
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}
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