diff options
Diffstat (limited to 'sys/netinet/tcp_syncache.c')
-rw-r--r-- | sys/netinet/tcp_syncache.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c index 9947d53..6ceff8f 100644 --- a/sys/netinet/tcp_syncache.c +++ b/sys/netinet/tcp_syncache.c @@ -946,12 +946,15 @@ syncache_add(inc, to, th, sop, m) sc->sc_flowlabel = 0; if (tcp_syncookies) { sc->sc_iss = syncookie_generate(sc, &flowtmp); +#ifdef INET6 if (inc->inc_isipv6 && (sc->sc_tp->t_inpcb->in6p_flags & IN6P_AUTOFLOWLABEL)) { sc->sc_flowlabel = flowtmp & IPV6_FLOWLABEL_MASK; } +#endif } else { sc->sc_iss = arc4random(); +#ifdef INET6 if (inc->inc_isipv6 && (sc->sc_tp->t_inpcb->in6p_flags & IN6P_AUTOFLOWLABEL)) { sc->sc_flowlabel = @@ -961,6 +964,7 @@ syncache_add(inc, to, th, sop, m) (htonl(ip6_flow_seq++) & IPV6_FLOWLABEL_MASK); #endif } +#endif } /* Initial receive window: clip sbspace to [0 .. TCP_MAXWIN] */ |