diff options
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index 2dc912e..b15c7d1 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -517,14 +517,11 @@ tcp_newtcpcb(inp) tp->snd_cwnd = TCP_MAXWIN << TCP_MAX_WINSHIFT; tp->snd_ssthresh = TCP_MAXWIN << TCP_MAX_WINSHIFT; tp->t_rcvtime = ticks; -#ifdef INET6 - if (isipv6 != 0) - inp->in6p_ip6_hlim = in6_selecthlim(inp, - inp->in6p_route.ro_rt ? - inp->in6p_route.ro_rt->rt_ifp : - NULL); - else -#endif + /* + * IPv4 TTL initialization is necessary for an IPv6 socket as well, + * because the socket may be bound to an IPv6 wildcard address, + * which may match an IPv4-mapped IPv6 address. + */ inp->inp_ip_ttl = ip_defttl; inp->inp_ppcb = (caddr_t)tp; return (tp); /* XXX */ |
