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with IPv6 intermediate host will not perform PMTUD. ip6_getpmtu() is for

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end node cases, so do not use it.
This commit is contained in:
itojun 2005-02-28 09:26:36 +00:00
parent d64a282ae6
commit 57eaa97695
1 changed files with 6 additions and 12 deletions
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18
sys/dist/ipf/netinet/ip_fil_netbsd.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: ip_fil_netbsd.c,v 1.10 2005/02/21 22:01:52 martin Exp $ */
/* $NetBSD: ip_fil_netbsd.c,v 1.11 2005/02/28 09:26:36 itojun Exp $ */
/*
* Copyright (C) 1993-2003 by Darren Reed.
@ -1388,7 +1388,7 @@ frdest_t *fdp;
struct ifnet *ifp;
frentry_t *fr;
u_long mtu;
int error;
int error = 0;
ro = &ip6route;
fr = fin->fin_fr;
@ -1429,20 +1429,14 @@ frdest_t *fdp;
dst6->sin6_addr.s6_addr16[1] = htons(ifp->if_index);
{
#if (__NetBSD_Version__ >= 106010000)
struct in6_addr finaldst = fin->fin_dst6;
int frag;
#endif
struct in6_ifextra *ife;
if (ro->ro_rt->rt_flags & RTF_GATEWAY)
dst6 = (struct sockaddr_in6 *)ro->ro_rt->rt_gateway;
ro->ro_rt->rt_use++;
#if (__NetBSD_Version__ <= 106009999)
mtu = nd_ifinfo[ifp->if_index].linkmtu;
#else
/* Determine path MTU. */
error = ip6_getpmtu(ro, ro, ifp, &finaldst, &mtu, &frag);
#endif
ife = (struct in6_ifextra *)(ifp)->if_afdata[AF_INET6];
mtu = ife->nd_ifinfo[ifp->if_index].linkmtu;
if ((error == 0) && (m0->m_pkthdr.len <= mtu)) {
*mpp = NULL;
error = nd6_output(ifp, ifp, m0, dst6, rt);