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authorae <ae@FreeBSD.org>2012-11-02 01:20:55 +0000
committerae <ae@FreeBSD.org>2012-11-02 01:20:55 +0000
commit4354018055d167b2dd190c0ed81b74972a32fe2c (patch)
tree3080b551004723e63a6f3fe08ee72e510038fe57 /sys/netinet6/ip6_output.c
parent99cf02c7fdbbd005e93ef256cbf128c446cd2ee8 (diff)
downloadFreeBSD-src-4354018055d167b2dd190c0ed81b74972a32fe2c.zip
FreeBSD-src-4354018055d167b2dd190c0ed81b74972a32fe2c.tar.gz
Remove the recently added sysctl variable net.pfil.forward.
Instead, add protocol specific mbuf flags M_IP_NEXTHOP and M_IP6_NEXTHOP. Use them to indicate that the mbuf's chain contains the PACKET_TAG_IPFORWARD tag. And do a tag lookup only when this flag is set. Suggested by: andre
Diffstat (limited to 'sys/netinet6/ip6_output.c')
-rw-r--r--sys/netinet6/ip6_output.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/netinet6/ip6_output.c b/sys/netinet6/ip6_output.c
index e7254a6..0d762e9 100644
--- a/sys/netinet6/ip6_output.c
+++ b/sys/netinet6/ip6_output.c
@@ -913,8 +913,6 @@ again:
goto again; /* Redo the routing table lookup. */
}
- if (V_pfilforward == 0)
- goto passout;
/* See if local, if yes, send it to netisr. */
if (m->m_flags & M_FASTFWD_OURS) {
if (m->m_pkthdr.rcvif == NULL)
@@ -932,11 +930,12 @@ again:
goto done;
}
/* Or forward to some other address? */
- fwd_tag = m_tag_find(m, PACKET_TAG_IPFORWARD, NULL);
- if (fwd_tag) {
+ if ((m->m_flags & M_IP6_NEXTHOP) &&
+ (fwd_tag = m_tag_find(m, PACKET_TAG_IPFORWARD, NULL)) != NULL) {
dst = (struct sockaddr_in6 *)&ro->ro_dst;
bcopy((fwd_tag+1), dst, sizeof(struct sockaddr_in6));
m->m_flags |= M_SKIP_FIREWALL;
+ m->m_flags &= ~M_IP6_NEXTHOP;
m_tag_delete(m, fwd_tag);
goto again;
}
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