Commit 14869c38 authored by Dmitry Yusupov's avatar Dmitry Yusupov Committed by David S. Miller
Browse files

[TCP]: Do TSO deferral even if tail SKB can go out now.

If the tail SKB fits into the window, it is still
benefitical to defer until the goal percentage of
the window is available.  This give the application
time to feed more data into the send queue and thus
results in larger TSO frames going out.

Patch from Dmitry Yusupov <>.
Signed-off-by: default avatarDavid S. Miller <>
parent f6fdd7d9
......@@ -925,10 +925,6 @@ static int tcp_tso_should_defer(struct sock *sk, struct tcp_sock *tp, struct sk_
limit = min(send_win, cong_win);
/* If sk_send_head can be sent fully now, just do it. */
if (skb->len <= limit)
return 0;
if (sysctl_tcp_tso_win_divisor) {
u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache);
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