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[TCP]: Fix tcp_tso_should_defer() when limit>=65536
author
David S. Miller
<davem@davemloft.net>
Sun, 12 Mar 2006 02:51:49 +0000
(18:51 -0800)
committer
David S. Miller
<davem@davemloft.net>
Sun, 12 Mar 2006 02:51:49 +0000
(18:51 -0800)
That's >= a full sized TSO frame, so we should always
return 0 in that case.
Based upon a report and initial patch from Lachlan
Andrew, final patch suggested by Herbert Xu.
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c
patch
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diff --git
a/net/ipv4/tcp_output.c
b/net/ipv4/tcp_output.c
index
a7623ea
..
9f498a6
100644
(file)
--- a/
net/ipv4/tcp_output.c
+++ b/
net/ipv4/tcp_output.c
@@
-1036,6
+1036,10
@@
static int tcp_tso_should_defer(struct sock *sk, struct tcp_sock *tp, struct sk_
limit = min(send_win, cong_win);
+ /* If a full-sized TSO skb can be sent, do it. */
+ if (limit >= 65536)
+ return 0;
+
if (sysctl_tcp_tso_win_divisor) {
u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache);