svn commit: r196429 - user/kmacy/releng_7_2_fcs/sys/netinet

[Kip Macy]

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)))