diff options
Diffstat (limited to 'sys/net/if_gif.c')
| -rw-r--r-- | sys/net/if_gif.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/sys/net/if_gif.c b/sys/net/if_gif.c index ccba25467dc..33881e183e3 100644 --- a/sys/net/if_gif.c +++ b/sys/net/if_gif.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_gif.c,v 1.119 2018/11/13 01:16:31 dlg Exp $ */ +/* $OpenBSD: if_gif.c,v 1.120 2018/11/14 01:06:06 dlg Exp $ */ /* $KAME: if_gif.c,v 1.43 2001/02/20 08:51:07 itojun Exp $ */ /* @@ -129,7 +129,7 @@ int gif_del_tunnel(struct gif_softc *); int in_gif_output(struct ifnet *, int, struct mbuf **); int in6_gif_output(struct ifnet *, int, struct mbuf **); int gif_input(struct gif_tunnel *, struct mbuf **, int *, int, int, - uint8_t, uint8_t); + uint8_t); /* * gif global variable definitions @@ -712,7 +712,7 @@ in_gif_input(struct mbuf **mp, int *offp, int proto, int af) key.t_src4 = ip->ip_dst; key.t_dst4 = ip->ip_src; - rv = gif_input(&key, mp, offp, proto, af, ip->ip_ttl, ip->ip_tos); + rv = gif_input(&key, mp, offp, proto, af, ip->ip_tos); if (rv == -1) rv = ipip_input(mp, offp, proto, af); @@ -737,8 +737,7 @@ in6_gif_input(struct mbuf **mp, int *offp, int proto, int af) flow = ntohl(ip6->ip6_flow); - rv = gif_input(&key, mp, offp, proto, af, ip6->ip6_hlim, - flow >> 20); + rv = gif_input(&key, mp, offp, proto, af, flow >> 20); if (rv == -1) rv = ipip_input(mp, offp, proto, af); @@ -768,13 +767,12 @@ gif_find(const struct gif_tunnel *key) int gif_input(struct gif_tunnel *key, struct mbuf **mp, int *offp, int proto, - int af, uint8_t ttl, uint8_t otos) + int af, uint8_t otos) { struct mbuf *m = *mp; struct gif_softc *sc; struct ifnet *ifp; void (*input)(struct ifnet *, struct mbuf *); - int ttloff; uint8_t itos; /* IP-in-IP header is caused by tunnel mode, so skip gif lookup */ @@ -811,7 +809,6 @@ gif_input(struct gif_tunnel *key, struct mbuf **mp, int *offp, int proto, m->m_pkthdr.ph_family = AF_INET; input = ipv4_input; - ttloff = offsetof(struct ip, ip_ttl); break; } #ifdef INET6 @@ -833,7 +830,6 @@ gif_input(struct gif_tunnel *key, struct mbuf **mp, int *offp, int proto, m->m_pkthdr.ph_family = AF_INET6; input = ipv6_input; - ttloff = offsetof(struct ip6_hdr, ip6_hlim); break; } #endif /* INET6 */ @@ -841,7 +837,6 @@ gif_input(struct gif_tunnel *key, struct mbuf **mp, int *offp, int proto, case IPPROTO_MPLS: m->m_pkthdr.ph_family = AF_MPLS; input = mpls_input; - ttloff = 3; break; #endif /* MPLS */ default: @@ -850,14 +845,6 @@ gif_input(struct gif_tunnel *key, struct mbuf **mp, int *offp, int proto, m_adj(m, *offp); - if (sc->sc_ttl == -1) { - m = *mp = m_pullup(m, ttloff + 1); - if (m == NULL) - return (IPPROTO_DONE); - - *(m->m_data + ttloff) = ttl; - } - ifp = &sc->sc_if; m->m_flags &= ~(M_MCAST|M_BCAST); |