| if_faith.c (122922) | if_faith.c (123922) |
|---|---|
| 1/* $KAME: if_faith.c,v 1.23 2001/12/17 13:55:29 sumikawa Exp $ */ 2 3/* 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * | 1/* $KAME: if_faith.c,v 1.23 2001/12/17 13:55:29 sumikawa Exp $ */ 2 3/* 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * |
| 35 * $FreeBSD: head/sys/net/if_faith.c 122922 2003-11-20 20:07:39Z andre $ | 35 * $FreeBSD: head/sys/net/if_faith.c 123922 2003-12-28 03:56:00Z sam $ |
| 36 */ 37/* 38 * derived from 39 * @(#)if_loop.c 8.1 (Berkeley) 6/10/93 40 * Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp 41 */ 42 43/* --- 164 unchanged lines hidden (view full) --- 208 if (dst->sa_family == AF_UNSPEC) { 209 dst->sa_family = *(mtod(m, int *)); 210 m->m_len -= sizeof(int); 211 m->m_pkthdr.len -= sizeof(int); 212 m->m_data += sizeof(int); 213 } 214 215 if (ifp->if_bpf) { | 36 */ 37/* 38 * derived from 39 * @(#)if_loop.c 8.1 (Berkeley) 6/10/93 40 * Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp 41 */ 42 43/* --- 164 unchanged lines hidden (view full) --- 208 if (dst->sa_family == AF_UNSPEC) { 209 dst->sa_family = *(mtod(m, int *)); 210 m->m_len -= sizeof(int); 211 m->m_pkthdr.len -= sizeof(int); 212 m->m_data += sizeof(int); 213 } 214 215 if (ifp->if_bpf) { |
| 216 /* 217 * We need to prepend the address family as 218 * a four byte field. Cons up a faith header 219 * to pacify bpf. This is safe because bpf 220 * will only read from the mbuf (i.e., it won't 221 * try to free it or keep a pointer a to it). 222 */ 223 struct mbuf m0; | |
| 224 u_int32_t af = dst->sa_family; | 216 u_int32_t af = dst->sa_family; |
| 225 226 m0.m_next = m; 227 m0.m_len = 4; 228 m0.m_data = (char *)⁡ 229 230 BPF_MTAP(ifp, &m0); | 217 bpf_mtap2(ifp->if_bpf, &af, sizeof(af), m); |
| 231 } 232 233 if (rt && rt->rt_flags & (RTF_REJECT|RTF_BLACKHOLE)) { 234 m_freem(m); 235 return (rt->rt_flags & RTF_BLACKHOLE ? 0 : 236 rt->rt_flags & RTF_HOST ? EHOSTUNREACH : ENETUNREACH); 237 } 238 ifp->if_opackets++; --- 131 unchanged lines hidden --- | 218 } 219 220 if (rt && rt->rt_flags & (RTF_REJECT|RTF_BLACKHOLE)) { 221 m_freem(m); 222 return (rt->rt_flags & RTF_BLACKHOLE ? 0 : 223 rt->rt_flags & RTF_HOST ? EHOSTUNREACH : ENETUNREACH); 224 } 225 ifp->if_opackets++; --- 131 unchanged lines hidden --- |