tree 3f6101b6657da5131d19a507ae264675799527df
parent a56476962e92a6c389a1a561274d4a27607b7b5f
author David S. Miller <[EMAIL PROTECTED]> Wed, 06 Jul 2005 05:20:55 -0700
committer David S. Miller <[EMAIL PROTECTED]> Wed, 06 Jul 2005 05:20:55 -0700
[TCP]: Do not call tcp_tso_acked() if no work to do.
In tcp_clean_rtx_queue(), if the TSO packet is not even partially
acked, do not waste time calling tcp_tso_acked().
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
net/ipv4/tcp_input.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2038,7 +2038,8 @@ static int tcp_clean_rtx_queue(struct so
* the other end.
*/
if (after(scb->end_seq, tp->snd_una)) {
- if (tcp_skb_pcount(skb) > 1)
+ if (tcp_skb_pcount(skb) > 1 &&
+ after(tp->snd_una, scb->seq))
acked |= tcp_tso_acked(sk, skb,
now, &seq_rtt);
break;
-
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