diff options
Diffstat (limited to 'sys/net/if_tun.c')
| -rw-r--r-- | sys/net/if_tun.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index d2252bc9489..bc2b30af73d 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tun.c,v 1.22 1997/12/31 06:30:30 deraadt Exp $ */ +/* $OpenBSD: if_tun.c,v 1.23 1998/06/26 09:14:39 deraadt Exp $ */ /* $NetBSD: if_tun.c,v 1.24 1996/05/07 02:40:48 thorpej Exp $ */ /* @@ -135,7 +135,7 @@ tunattach(unused) ifp->if_flags = IFF_POINTOPOINT; ifp->if_type = IFT_PROPVIRTUAL; ifp->if_snd.ifq_maxlen = ifqmaxlen; - ifp->if_hdrlen = sizeof(struct tunnel_header); + ifp->if_hdrlen = sizeof(u_int32_t); ifp->if_collisions = 0; ifp->if_ierrors = 0; ifp->if_oerrors = 0; @@ -143,8 +143,7 @@ tunattach(unused) ifp->if_opackets = 0; if_attach(ifp); #if NBPFILTER > 0 - bpfattach(&ifp->if_bpf, ifp, DLT_NULL, - sizeof(struct tunnel_header)); + bpfattach(&ifp->if_bpf, ifp, DLT_NULL, sizeof(u_int32_t)); #endif } } @@ -332,8 +331,8 @@ tun_output(ifp, m0, dst, rt) struct rtentry *rt; { struct tun_softc *tp = ifp->if_softc; - struct tunnel_header *th; int s; + u_int32_t *af; TUNDEBUG(("%s: tun_output\n", ifp->if_xname)); @@ -345,9 +344,10 @@ tun_output(ifp, m0, dst, rt) } ifp->if_lastchange = time; - M_PREPEND(m0, sizeof(struct tunnel_header), M_DONTWAIT); - th = mtod(m0, struct tunnel_header *); - th->tun_af = dst->sa_family; + + M_PREPEND(m0, sizeof(*af), M_DONTWAIT); + af = mtod(m0, u_int32_t *); + *af = htonl(dst->sa_family); #if NBPFILTER > 0 if (ifp->if_bpf) @@ -366,7 +366,7 @@ tun_output(ifp, m0, dst, rt) splx(s); ifp->if_opackets++; - ifp->if_obytes += m0->m_pkthdr.len + sizeof(struct tunnel_header); + ifp->if_obytes += m0->m_pkthdr.len + sizeof(*af); if (tp->tun_flags & TUN_RWAIT) { tp->tun_flags &= ~TUN_RWAIT; @@ -544,7 +544,7 @@ tunwrite(dev, uio, ioflag) int unit; struct ifnet *ifp; struct ifqueue *ifq; - struct tunnel_header *th; + u_int32_t *th; struct mbuf *top, **mp, *m; int isr; int error=0, s, tlen, mlen; @@ -598,13 +598,13 @@ tunwrite(dev, uio, ioflag) bpf_mtap(ifp->if_bpf, top); #endif - th = mtod(top, struct tunnel_header *); + th = mtod(top, u_int32_t *); /* strip the tunnel header */ top->m_data += sizeof(*th); top->m_len -= sizeof(*th); top->m_pkthdr.len -= sizeof(*th); - switch (th->tun_af) { + switch (ntohl(*th)) { #ifdef INET case AF_INET: ifq = &ipintrq; |