1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* derived from
* @(#)if_loop.c 8.1 (Berkeley) 6/10/93
* Id: if_loop.c,v 1.22 1996/06/19 16:24:10 wollman Exp
*/
/*
* Loopback interface driver for protocol testing and timing.
*/
#include "faith.h"
#if NFAITH > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/netisr.h>
#include <net/route.h>
#include <net/bpf.h>
extern int loioctl __P((struct ifnet *, u_long, caddr_t));
extern int looutput __P((struct ifnet *ifp,
struct mbuf *m, struct sockaddr *dst, struct rtentry *rt));
void faithattach __P((void *));
PSEUDO_SET(faithattach, if_faith);
static struct ifnet faithif[NFAITH];
#define FAITHMTU 1500
/* ARGSUSED */
void
faithattach(faith)
void *faith;
{
register struct ifnet *ifp;
register int i;
for (i = 0; i < NFAITH; i++) {
ifp = &faithif[i];
bzero(ifp, sizeof(faithif[i]));
ifp->if_name = "faith";
ifp->if_unit = i;
ifp->if_mtu = FAITHMTU;
/* LOOPBACK commented out to announce IPv6 routes to faith */
ifp->if_flags = /* IFF_LOOPBACK | */ IFF_MULTICAST;
ifp->if_ioctl = loioctl;
ifp->if_output = looutput;
ifp->if_type = IFT_FAITH;
ifp->if_snd.ifq_maxlen = ifqmaxlen;
ifp->if_hdrlen = 0;
ifp->if_addrlen = 0;
if_attach(ifp);
bpfattach(ifp, DLT_NULL, sizeof(u_int));
}
}
#endif /* NFAITH > 0 */
|
