Deleted Added
sdiff udiff text old ( 69781 ) new ( 71862 )
full compact
if_tun.c (69781) if_tun.c (71862)
1/* $NetBSD: if_tun.c,v 1.14 1994/06/29 06:36:25 cgd Exp $ */
2
3/*
4 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
5 * Nottingham University 1987.
6 *
7 * This source may be freely distributed, however I would be interested
8 * in any changes that are made.
9 *
10 * This driver takes packets off the IP i/f and hands them up to a
11 * user process to have its wicked way with. This driver has it's
12 * roots in a similar driver written by Phil Cockcroft (formerly) at
13 * UCL. This driver is based much more on read/write/poll mode of
14 * operation though.
15 *
1/* $NetBSD: if_tun.c,v 1.14 1994/06/29 06:36:25 cgd Exp $ */
2
3/*
4 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
5 * Nottingham University 1987.
6 *
7 * This source may be freely distributed, however I would be interested
8 * in any changes that are made.
9 *
10 * This driver takes packets off the IP i/f and hands them up to a
11 * user process to have its wicked way with. This driver has it's
12 * roots in a similar driver written by Phil Cockcroft (formerly) at
13 * UCL. This driver is based much more on read/write/poll mode of
14 * operation though.
15 *
16 * $FreeBSD: head/sys/net/if_tun.c 69781 2000-12-08 21:51:06Z dwmalone $
16 * $FreeBSD: head/sys/net/if_tun.c 71862 2001-01-31 07:58:58Z peter $
17 */
18
19#include "opt_inet.h"
20
21#include <sys/param.h>
22#include <sys/proc.h>
23#include <sys/systm.h>
24#include <sys/mbuf.h>
17 */
18
19#include "opt_inet.h"
20
21#include <sys/param.h>
22#include <sys/proc.h>
23#include <sys/systm.h>
24#include <sys/mbuf.h>
25#include <sys/module.h>
25#include <sys/socket.h>
26#include <sys/filio.h>
27#include <sys/sockio.h>
28#include <sys/ttycom.h>
29#include <sys/poll.h>
30#include <sys/signalvar.h>
31#include <sys/filedesc.h>
32#include <sys/kernel.h>

--- 14 unchanged lines hidden (view full) ---

47
48#include <net/bpf.h>
49
50#include <net/if_tunvar.h>
51#include <net/if_tun.h>
52
53static MALLOC_DEFINE(M_TUN, "tun", "Tunnel Interface");
54
26#include <sys/socket.h>
27#include <sys/filio.h>
28#include <sys/sockio.h>
29#include <sys/ttycom.h>
30#include <sys/poll.h>
31#include <sys/signalvar.h>
32#include <sys/filedesc.h>
33#include <sys/kernel.h>

--- 14 unchanged lines hidden (view full) ---

48
49#include <net/bpf.h>
50
51#include <net/if_tunvar.h>
52#include <net/if_tun.h>
53
54static MALLOC_DEFINE(M_TUN, "tun", "Tunnel Interface");
55
55static void tunattach __P((void *));
56PSEUDO_SET(tunattach, if_tun);
57
58static void tuncreate __P((dev_t dev));
59
60#define TUNDEBUG if (tundebug) printf
61static int tundebug = 0;
62SYSCTL_INT(_debug, OID_AUTO, if_tun_debug, CTLFLAG_RW, &tundebug, 0, "");
63
64static int tunoutput __P((struct ifnet *, struct mbuf *, struct sockaddr *,
65 struct rtentry *rt));

--- 42 unchanged lines hidden (view full) ---

108 if (dev_stdclone(name, NULL, "tun", &u) != 1)
109 return;
110 /* XXX: minor encoding if u > 255 */
111 *dev = make_dev(&tun_cdevsw, u,
112 UID_UUCP, GID_DIALER, 0600, "tun%d", u);
113
114}
115
56static void tuncreate __P((dev_t dev));
57
58#define TUNDEBUG if (tundebug) printf
59static int tundebug = 0;
60SYSCTL_INT(_debug, OID_AUTO, if_tun_debug, CTLFLAG_RW, &tundebug, 0, "");
61
62static int tunoutput __P((struct ifnet *, struct mbuf *, struct sockaddr *,
63 struct rtentry *rt));

--- 42 unchanged lines hidden (view full) ---

106 if (dev_stdclone(name, NULL, "tun", &u) != 1)
107 return;
108 /* XXX: minor encoding if u > 255 */
109 *dev = make_dev(&tun_cdevsw, u,
110 UID_UUCP, GID_DIALER, 0600, "tun%d", u);
111
112}
113
116static void
117tunattach(dummy)
118 void *dummy;
119{
114static int
115tun_modevent(module_t mod, int type, void *data)
116{
117 switch (type) {
118 case MOD_LOAD:
119 EVENTHANDLER_REGISTER(dev_clone, tun_clone, 0, 1000);
120 cdevsw_add(&tun_cdevsw);
121 break;
122 case MOD_UNLOAD:
123 printf("if_tun module unload - not possible for this module type\n");
124 return EINVAL;
125 }
126 return 0;
127}
120
128
121 EVENTHANDLER_REGISTER(dev_clone, tun_clone, 0, 1000);
122 cdevsw_add(&tun_cdevsw);
123}
129static moduledata_t tun_mod = {
130 "if_tun",
131 tun_modevent,
132 0
133};
124
134
135DECLARE_MODULE(if_tun, tun_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
136
125static void
126tunstart(ifp)
127 struct ifnet *ifp;
128{
129 struct tun_softc *tp = ifp->if_softc;
130
131 if (tp->tun_flags & TUN_RWAIT) {
132 tp->tun_flags &= ~TUN_RWAIT;

--- 611 unchanged lines hidden --- 		137static void
138tunstart(ifp)
139 struct ifnet *ifp;
140{
141 struct tun_softc *tp = ifp->if_softc;
142
143 if (tp->tun_flags & TUN_RWAIT) {
144 tp->tun_flags &= ~TUN_RWAIT;

--- 611 unchanged lines hidden ---