tcp: fix data delivery rate

Now skb->mstamp_skb is updated later, we also need to call tcp_rate_skb_sent() after the update is done. Fixes: 8c72c65 ("tcp: update skb->skb_mstamp more carefully") Signed-off-by: Eric Dumazet <[email protected]> Acked-by: Soheil Hassas Yeganeh <[email protected]> Signed-off-by: David S. Miller <[email protected]>
thoughtpolice · Sep 16, 2017 · fc22579 · fc22579
1 parent e67b8a6
commit fc22579
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
@@ -1002,8 +1002,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	if (clone_it) {
 		TCP_SKB_CB(skb)->tx.in_flight = TCP_SKB_CB(skb)->end_seq
 			- tp->snd_una;
-		tcp_rate_skb_sent(sk, skb);
-
 		oskb = skb;
 		if (unlikely(skb_cloned(skb)))
 			skb = pskb_copy(skb, gfp_mask);
@@ -1128,9 +1126,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 		tcp_enter_cwr(sk);
 		err = net_xmit_eval(err);
 	}
-	if (!err && oskb)
+	if (!err && oskb) {
 		oskb->skb_mstamp = tp->tcp_mstamp;
-
+		tcp_rate_skb_sent(sk, oskb);
+	}
 	return err;
 }