| if_disc.c (41757) | if_disc.c (48645) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * From: @(#)if_loop.c 8.1 (Berkeley) 6/10/93 | 1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * From: @(#)if_loop.c 8.1 (Berkeley) 6/10/93 |
| 34 * $Id: if_disc.c,v 1.20 1998/06/07 17:12:03 dfr Exp $ | 34 * $Id: if_disc.c,v 1.21 1998/12/14 01:59:16 eivind Exp $ |
| 35 */ 36 37/* 38 * Discard interface driver for protocol testing and timing. 39 * (Based on the loopback.) 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/mbuf.h> 46#include <sys/socket.h> 47#include <sys/sockio.h> 48 49#include <net/if.h> 50#include <net/if_types.h> 51#include <net/route.h> 52#include <net/bpf.h> 53 | 35 */ 36 37/* 38 * Discard interface driver for protocol testing and timing. 39 * (Based on the loopback.) 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/mbuf.h> 46#include <sys/socket.h> 47#include <sys/sockio.h> 48 49#include <net/if.h> 50#include <net/if_types.h> 51#include <net/route.h> 52#include <net/bpf.h> 53 |
| 54#include "bpfilter.h" | 54#include "bpf.h" |
| 55#include "opt_inet.h" 56 57#ifdef TINY_DSMTU 58#define DSMTU (1024+512) 59#else 60#define DSMTU 65532 61#endif 62 --- 17 unchanged lines hidden (view full) --- 80 ifp->if_mtu = DSMTU; 81 ifp->if_flags = IFF_LOOPBACK | IFF_MULTICAST; 82 ifp->if_ioctl = discioctl; 83 ifp->if_output = discoutput; 84 ifp->if_type = IFT_LOOP; 85 ifp->if_hdrlen = 0; 86 ifp->if_addrlen = 0; 87 if_attach(ifp); | 55#include "opt_inet.h" 56 57#ifdef TINY_DSMTU 58#define DSMTU (1024+512) 59#else 60#define DSMTU 65532 61#endif 62 --- 17 unchanged lines hidden (view full) --- 80 ifp->if_mtu = DSMTU; 81 ifp->if_flags = IFF_LOOPBACK | IFF_MULTICAST; 82 ifp->if_ioctl = discioctl; 83 ifp->if_output = discoutput; 84 ifp->if_type = IFT_LOOP; 85 ifp->if_hdrlen = 0; 86 ifp->if_addrlen = 0; 87 if_attach(ifp); |
| 88#if NBPFILTER > 0 | 88#if NBPF > 0 |
| 89 bpfattach(ifp, DLT_NULL, sizeof(u_int)); 90#endif 91} 92 93static int 94discoutput(ifp, m, dst, rt) 95 struct ifnet *ifp; 96 register struct mbuf *m; 97 struct sockaddr *dst; 98 register struct rtentry *rt; 99{ 100 if ((m->m_flags & M_PKTHDR) == 0) 101 panic("discoutput no HDR"); | 89 bpfattach(ifp, DLT_NULL, sizeof(u_int)); 90#endif 91} 92 93static int 94discoutput(ifp, m, dst, rt) 95 struct ifnet *ifp; 96 register struct mbuf *m; 97 struct sockaddr *dst; 98 register struct rtentry *rt; 99{ 100 if ((m->m_flags & M_PKTHDR) == 0) 101 panic("discoutput no HDR"); |
| 102#if NBPFILTER > 0 | 102#if NBPF > 0 |
| 103 /* BPF write needs to be handled specially */ 104 if (dst->sa_family == AF_UNSPEC) { 105 dst->sa_family = *(mtod(m, int *)); 106 m->m_len -= sizeof(int); 107 m->m_pkthdr.len -= sizeof(int); 108 m->m_data += sizeof(int); 109 } 110 --- 92 unchanged lines hidden --- | 103 /* BPF write needs to be handled specially */ 104 if (dst->sa_family == AF_UNSPEC) { 105 dst->sa_family = *(mtod(m, int *)); 106 m->m_len -= sizeof(int); 107 m->m_pkthdr.len -= sizeof(int); 108 m->m_data += sizeof(int); 109 } 110 --- 92 unchanged lines hidden --- |