Since we use different flags to detect tcp forwarding, and we share the

same code for IPv4 and IPv6 in tcp_input, we should check both
M_IP_NEXTHOP and M_IP6_NEXTHOP flags.

MFC after:	3 days

This commit is contained in:

Andrey V. Elsukov

2012-12-17 20:55:33 +00:00

parent 89bae3c5d0

commit f491274582

1 changed files with 2 additions and 1 deletions

									
										sys/netinet/tcp_input.c
									
		+2
		-1
	
												View File
												
				@@ -780,7 +780,8 @@ tcp_input(struct mbuf *m, int off0)

					/*

					 * Grab info from PACKET_TAG_IPFORWARD tag prepended to the chain.

					 */

					if (m->m_flags & M_IP_NEXTHOP)

					if ((isipv6 && (m->m_flags & M_IP6_NEXTHOP)) ||

					    (!isipv6 && (m->m_flags & M_IP_NEXTHOP)))

						fwd_tag = m_tag_find(m, PACKET_TAG_IPFORWARD, NULL);

				#ifdef INET6