summaryrefslogtreecommitdiff
path: root/sys/netinet/ip_input.c
diff options
context:
space:
mode:
authoritojun <itojun@NetBSD.org>2002-06-07 13:43:47 +0000
committeritojun <itojun@NetBSD.org>2002-06-07 13:43:47 +0000
commit14df31ceb3ed2ca40964ea6bfd006863d9b8c7db (patch)
tree711d0c442384251c07d602956f85991770674eba /sys/netinet/ip_input.c
parentbcae776bf00c3a9eeca24c8ae031edb30d801bb7 (diff)
look at rmx_mtu on IPsec tunnel MTU computation.
From: David Waitzman <djw@bbn.com>
Diffstat (limited to 'sys/netinet/ip_input.c')
-rw-r--r--sys/netinet/ip_input.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 1a68d9dd38b..695269a6252 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -1,4 +1,4 @@
-/* $NetBSD: ip_input.c,v 1.150 2002/05/12 20:33:50 matt Exp $ */
+/* $NetBSD: ip_input.c,v 1.151 2002/06/07 13:43:47 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -102,7 +102,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.150 2002/05/12 20:33:50 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.151 2002/06/07 13:43:47 itojun Exp $");
#include "opt_gateway.h"
#include "opt_pfil_hooks.h"
@@ -1662,6 +1662,8 @@ ip_forward(m, srcrt)
ro = &sp->req->sav->sah->sa_route;
if (ro->ro_rt && ro->ro_rt->rt_ifp) {
dummyifp.if_mtu =
+ ro->ro_rt->rt_rmx.rmx_mtu ?
+ ro->ro_rt->rt_rmx.rmx_mtu :
ro->ro_rt->rt_ifp->if_mtu;
dummyifp.if_mtu -= ipsechdr;
destifp = &dummyifp;