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authorEric Dumazet <edumazet@google.com>2017-09-15 16:47:42 -0700
committerDavid S. Miller <davem@davemloft.net>2017-09-16 09:07:01 -0700
commitfc22579917eb7e13433448a342f1cb1592920940 (patch)
treeba6169aed222a8489aec0101804e96de41b76f57 /net
parente67b8a685c7c984e834e3181ef4619cd7025a136 (diff)
downloadlinux-fc22579917eb7e13433448a342f1cb1592920940.tar.gz
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: 8c72c65b426b ("tcp: update skb->skb_mstamp more carefully")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_output.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index a85a8c2948e5..1c839c99114c 100644
--- 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;
 }