| if_loop.c (1.1) | if_loop.c (1.2) |
|---|---|
| 1/* $NetBSD: if_loop.c,v 1.14 1995/07/23 16:33:08 mycroft 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 --- 108 unchanged lines hidden (view full) --- 117{ 118 int s, isr; 119 register struct ifqueue *ifq = 0; 120 121 if ((m->m_flags & M_PKTHDR) == 0) 122 panic("looutput: no header mbuf"); 123 ifp->if_lastchange = time; 124#if NBPFILTER > 0 | 1/* $NetBSD: if_loop.c,v 1.14 1995/07/23 16:33:08 mycroft 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 --- 108 unchanged lines hidden (view full) --- 117{ 118 int s, isr; 119 register struct ifqueue *ifq = 0; 120 121 if ((m->m_flags & M_PKTHDR) == 0) 122 panic("looutput: no header mbuf"); 123 ifp->if_lastchange = time; 124#if NBPFILTER > 0 |
| 125 if (ifp->if_bpf) { | 125 /* 126 * only send packets to bpf if they are real loopback packets; 127 * looutput() is also called for SIMPLEX interfaces to duplicate 128 * packets for local use. But don't dup them to bpf. 129 */ 130 if (ifp->if_bpf && (ifp->if_flags&IFF_LOOPBACK)) { |
| 126 /* 127 * We need to prepend the address family as 128 * a four byte field. Cons up a dummy header 129 * to pacify bpf. This is safe because bpf 130 * will only read from the mbuf (i.e., it won't 131 * try to free it or keep a pointer to it). 132 */ 133 struct mbuf m0; --- 122 unchanged lines hidden --- | 131 /* 132 * We need to prepend the address family as 133 * a four byte field. Cons up a dummy header 134 * to pacify bpf. This is safe because bpf 135 * will only read from the mbuf (i.e., it won't 136 * try to free it or keep a pointer to it). 137 */ 138 struct mbuf m0; --- 122 unchanged lines hidden --- |