diff options
Diffstat (limited to 'sys/netinet6/icmp6.c')
| -rw-r--r-- | sys/netinet6/icmp6.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/sys/netinet6/icmp6.c b/sys/netinet6/icmp6.c index 997474e..6baa2db 100644 --- a/sys/netinet6/icmp6.c +++ b/sys/netinet6/icmp6.c @@ -94,6 +94,7 @@ #include <netinet/in_var.h> #include <netinet/ip6.h> #include <netinet/icmp6.h> +#include <netinet/tcp_var.h> #include <netinet6/in6_ifattach.h> #include <netinet6/in6_pcb.h> #include <netinet6/ip6protosw.h> @@ -1105,8 +1106,7 @@ icmp6_mtudisc_update(ip6cp, validated) struct icmp6_hdr *icmp6 = ip6cp->ip6c_icmp6; struct mbuf *m = ip6cp->ip6c_m; /* will be necessary for scope issue */ u_int mtu = ntohl(icmp6->icmp6_mtu); - struct rtentry *rt = NULL; - struct sockaddr_in6 sin6; + struct in_conninfo inc; #if 0 /* @@ -1131,31 +1131,19 @@ icmp6_mtudisc_update(ip6cp, validated) if (!validated) return; - bzero(&sin6, sizeof(sin6)); - sin6.sin6_family = PF_INET6; - sin6.sin6_len = sizeof(struct sockaddr_in6); - sin6.sin6_addr = *dst; + bzero(&inc, sizeof(inc)); + inc.inc_flags = 1; /* IPv6 */ + inc.inc6_faddr = *dst; /* XXX normally, this won't happen */ if (IN6_IS_ADDR_LINKLOCAL(dst)) { - sin6.sin6_addr.s6_addr16[1] = + inc.inc6_faddr.s6_addr16[1] = htons(m->m_pkthdr.rcvif->if_index); } - /* sin6.sin6_scope_id = XXX: should be set if DST is a scoped addr */ - rt = rtalloc1((struct sockaddr *)&sin6, 0, RTF_CLONING); - - if (rt && (rt->rt_flags & RTF_HOST) && - !(rt->rt_rmx.rmx_locks & RTV_MTU)) { - if (mtu < IPV6_MMTU) { - /* xxx */ - rt->rt_rmx.rmx_locks |= RTV_MTU; - } else if (mtu < rt->rt_ifp->if_mtu && - rt->rt_rmx.rmx_mtu > mtu) { - icmp6stat.icp6s_pmtuchg++; - rt->rt_rmx.rmx_mtu = mtu; - } + + if (mtu >= IPV6_MMTU) { + tcp_hc_updatemtu(&inc, mtu); + icmp6stat.icp6s_pmtuchg++; } - if (rt) - rtfree(rt); } /* |
