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Unbreak IPv6 after consolidation of TCP options insertion.

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Submitted by:	tegge
This commit is contained in:
Andre Oppermann 2007-03-17 11:52:54 +00:00
parent 9ad2c608c2
commit 9daba64ed5
1 changed files with 2 additions and 3 deletions
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5
sys/netinet/tcp_syncache.c
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@ -1227,16 +1227,15 @@ syncache_respond(struct syncache *sc, struct mbuf *m)
ip6->ip6_plen = htons(ntohs(ip6->ip6_plen) + optlen);
else
#endif
{
ip->ip_len += optlen;
}
} else
optlen = 0;
#ifdef INET6
if (sc->sc_inc.inc_isipv6) {
th->th_sum = 0;
th->th_sum = in6_cksum(m, IPPROTO_TCP, hlen, tlen - hlen);
th->th_sum = in6_cksum(m, IPPROTO_TCP, hlen,
tlen + optlen - hlen);
ip6->ip6_hlim = in6_selecthlim(NULL, NULL);
error = ip6_output(m, NULL, NULL, 0, NULL, NULL, NULL);
} else