diff options
| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2012-07-08 12:36:44 +0000 |
|---|---|---|
| committer | Bjoern A. Zeeb <bz@FreeBSD.org> | 2012-07-08 12:36:44 +0000 |
| commit | 1d4fe72758ffcef71851b78f20d521076acbe821 (patch) | |
| tree | 5f2364b1a203a8d05188a6829a0f45634d936489 /sys/netinet/tcp_input.c | |
| parent | 432383150f696344b487bebadd8f244a3dbc0de4 (diff) | |
Notes
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index fc3dd7069268..a3fd295e54b9 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -3594,7 +3594,6 @@ tcp_mssopt(struct in_conninfo *inc) if (inc->inc_flags & INC_ISIPV6) { mss = V_tcp_v6mssdflt; maxmtu = tcp_maxmtu6(inc, NULL); - thcmtu = tcp_hc_getmtu(inc); /* IPv4 and IPv6 */ min_protoh = sizeof(struct ip6_hdr) + sizeof(struct tcphdr); } #endif @@ -3605,10 +3604,13 @@ tcp_mssopt(struct in_conninfo *inc) { mss = V_tcp_mssdflt; maxmtu = tcp_maxmtu(inc, NULL); - thcmtu = tcp_hc_getmtu(inc); /* IPv4 and IPv6 */ min_protoh = sizeof(struct tcpiphdr); } #endif +#if defined(INET6) || defined(INET) + thcmtu = tcp_hc_getmtu(inc); /* IPv4 and IPv6 */ +#endif + if (maxmtu && thcmtu) mss = min(maxmtu, thcmtu) - min_protoh; else if (maxmtu || thcmtu) |