Commit af15cc7b authored Jun 12, 2007 by Ilpo Järvinen Committed by David S. Miller Jun 12, 2007

[TCP]: Fix left_out setting during FRTO



Without FRTO, the tcp_try_to_open is never called with
lost_out > 0 (see tcp_time_to_recover). However, when FRTO is
enabled, the !tp->lost condition is not used until end of FRTO
because that way TCP avoids premature entry to fast recovery
during FRTO.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 3d7dbeac

net/ipv4/tcp_input.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2037,7 +2037,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
	{		{
	struct tcp_sock *tp = tcp_sk(sk);		struct tcp_sock *tp = tcp_sk(sk);

	tp->left_out = tp->sacked_out;		tcp_sync_left_out(tp);

	if (tp->retrans_out == 0)		if (tp->retrans_out == 0)
	tp->retrans_stamp = 0;		tp->retrans_stamp = 0;