diff options
| author | Marco Pfatschbacher <mpf@cvs.openbsd.org> | 2006-01-13 10:11:24 +0000 |
|---|---|---|
| committer | Marco Pfatschbacher <mpf@cvs.openbsd.org> | 2006-01-13 10:11:24 +0000 |
| commit | e6ddec33a963b34d8c4607890eb529a504e69637 (patch) | |
| tree | 1f92fbd63cd04b5b51e33ba9aac8fce7b0761231 /sys/netinet/udp_usrreq.c | |
| parent | ba9c588ad20180fd8f72932c01e0500604b3441e (diff) | |
Path MTU discovery for NAT-T.
OK markus@, "looks good" hshoexer@
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 46ff8c86d36..f92bc2cd69e 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: udp_usrreq.c,v 1.105 2005/10/17 08:43:34 henning Exp $ */ +/* $OpenBSD: udp_usrreq.c,v 1.106 2006/01/13 10:11:23 mpf Exp $ */ /* $NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $ */ /* @@ -899,13 +899,22 @@ udp_ctlinput(cmd, sa, v) return NULL; if (ip) { uhp = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); + +#ifdef IPSEC + /* PMTU discovery for udpencap */ + if (cmd == PRC_MSGSIZE && ip_mtudisc && udpencap_enable && + udpencap_port && uhp->uh_sport == htons(udpencap_port)) { + udpencap_ctlinput(cmd, sa, v); + return (NULL); + } +#endif inp = in_pcbhashlookup(&udbtable, ip->ip_dst, uhp->uh_dport, ip->ip_src, uhp->uh_sport); if (inp && inp->inp_socket != NULL) notify(inp, errno); } else in_pcbnotifyall(&udbtable, sa, errno, notify); - return NULL; + return (NULL); } int |