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Date:      Sat, 22 Aug 2009 00:56:48 +0000 (UTC)
From:      Kip Macy <kmacy@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r196429 - user/kmacy/releng_7_2_fcs/sys/netinet
Message-ID:  <200908220056.n7M0umXM039815@svn.freebsd.org>

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Author: kmacy
Date: Sat Aug 22 00:56:47 2009
New Revision: 196429
URL: http://svn.freebsd.org/changeset/base/196429

Log:
  don't delay acks on localhost

Modified:
  user/kmacy/releng_7_2_fcs/sys/netinet/tcp_input.c

Modified: user/kmacy/releng_7_2_fcs/sys/netinet/tcp_input.c
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/netinet/tcp_input.c	Sat Aug 22 00:56:17 2009	(r196428)
+++ user/kmacy/releng_7_2_fcs/sys/netinet/tcp_input.c	Sat Aug 22 00:56:47 2009	(r196429)
@@ -257,6 +257,8 @@ do { \
  */
 #define DELAY_ACK(tp)							\
 	((!tcp_timer_active(tp, TT_DELACK) &&				\
+	    !((tp->t_inpcb->inp_flags2 & INP_RT_VALID) &&		\
+		(tp->t_inpcb->inp_rt->rt_ifp->if_flags & IFF_LOOPBACK))	&& \
 	    (tp->t_flags & TF_RXWIN0SENT) == 0) &&			\
 	    (V_tcp_delack_enabled || (tp->t_flags & TF_NEEDSYN)))
 



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