From e61fbfca8055eef18f11727f431e1e3e5221291e Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vthiagar@codeaurora.org>
Date: Wed, 22 Jul 2020 19:50:17 +0530
Subject: [PATCH] mac80211: Fix bug in Tx ack status reporting in 802.3 xmit path
Git-commit: e61fbfca8055eef18f11727f431e1e3e5221291e
Patch-mainline: v5.8
References: jsc#SLE-13430
Allocated ack_frame id from local->ack_status_frames is not really
stored in the tx_info for 802.3 Tx path. Due to this, tx ack status
is not reported and ack_frame id is not freed for the buffers requiring
tx ack status. Also move the memset to 0 of tx_info before
IEEE80211_TX_CTL_REQ_TX_STATUS flag assignment.
Fixes: 50ff477a8639 ("mac80211: add 802.11 encapsulation offloading support")
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@codeaurora.org>
Link: https://lore.kernel.org/r/1595427617-1713-1-git-send-email-vthiagar@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/mac80211/tx.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1a2941e5244f..3529d1368068 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4230,11 +4230,12 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
goto out_free;
+ memset(info, 0, sizeof(*info));
+
if (unlikely(!multicast && skb->sk &&
skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
- ieee80211_store_ack_skb(local, skb, &info->flags, NULL);
-
- memset(info, 0, sizeof(*info));
+ info->ack_frame_id = ieee80211_store_ack_skb(local, skb,
+ &info->flags, NULL);
if (unlikely(sdata->control_port_protocol == ehdr->h_proto)) {
if (sdata->control_port_no_encrypt)
--
2.16.4