2021-11-18 12:06:16

by Maxime Bizon

[permalink] [raw]
Subject: [PATCH] mac80211: fix TCP performance on mesh interface

From: Maxime Bizon <[email protected]>

sta is NULL for mesh point (resolved later), so sk pacing parameters
were not applied.

Signed-off-by: Maxime Bizon <[email protected]>
---
net/mac80211/tx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a756a197c770..f8f5bffd6e4b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4197,11 +4197,11 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,

ieee80211_aggr_check(sdata, sta, skb);

+ sk_pacing_shift_update(skb->sk, sdata->local->hw.tx_sk_pacing_shift);
+
if (sta) {
struct ieee80211_fast_tx *fast_tx;

- sk_pacing_shift_update(skb->sk, sdata->local->hw.tx_sk_pacing_shift);
-
fast_tx = rcu_dereference(sta->fast_tx);

if (fast_tx &&
--
2.17.1