Commit 5972fa15 authored by Markus Theil's avatar Markus Theil Committed by Johannes Berg
Browse files

mac80211: fix tx status for no ack cases 



Before this patch, frames which where successfully transmitted without
requiring acks where accounted as lost frames.

Signed-off-by: default avatarMarkus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20191218142736.15843-1-markus.theil@tu-ilmenau.de


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent dd56e902

net/mac80211/status.c

+11 −4
Original line number Diff line number Diff line
@@ -888,6 +888,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
	int rates_idx;

	bool send_to_cooked;

	bool acked;

	bool noack_success;

	struct ieee80211_bar *bar;

	int shift = 0;

	int tid = IEEE80211_NUM_TIDS;
@@ -906,6 +907,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
			clear_sta_flag(sta, WLAN_STA_SP);



		acked = !!(info->flags & IEEE80211_TX_STAT_ACK);

		noack_success = !!(info->flags &

				   IEEE80211_TX_STAT_NOACK_TRANSMITTED);



		/* mesh Peer Service Period support */

		if (ieee80211_vif_is_mesh(&sta->sdata->vif) &&
@@ -970,12 +973,12 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
			ieee80211_handle_filtered_frame(local, sta, skb);

			return;

		} else {

			if (!acked)

			if (!acked && !noack_success)

				sta->status_stats.retry_failed++;

			sta->status_stats.retry_count += retry_count;



			if (ieee80211_is_data_present(fc)) {

				if (!acked)

				if (!acked && !noack_success)

					sta->status_stats.msdu_failed[tid]++;



				sta->status_stats.msdu_retries[tid] +=
@@ -1013,7 +1016,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
		}



		if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {

			if (info->flags & IEEE80211_TX_STAT_ACK) {

			if (acked) {

				if (sta->status_stats.lost_packets)

					sta->status_stats.lost_packets = 0;
@@ -1021,6 +1024,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, 
				if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))

					sta->status_stats.last_tdls_pkt_time =

						jiffies;

			} else if (noack_success) {

				/* nothing to do here, do not account as lost */

			} else {

				ieee80211_lost_packet(sta, info);

			}
@@ -1141,7 +1146,7 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, 


		sta = container_of(pubsta, struct sta_info, sta);



		if (!acked)

		if (!acked && !noack_success)

			sta->status_stats.retry_failed++;

		sta->status_stats.retry_count += retry_count;
@@ -1156,6 +1161,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, 
				sta->status_stats.last_tdls_pkt_time = jiffies;

		} else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {

			return;

		} else if (noack_success) {

			/* nothing to do here, do not account as lost */

		} else {

			ieee80211_lost_packet(sta, info);

		}

CRA Git | Maintained and supported by SUSTech CRA and CCSE