1/*
2 * Copyright (c) 1997 Peter Wemm.
3 * 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
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *      This product includes software developed for the FreeBSD Project
16 *	by Peter Wemm.
17 * 4. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * so there!
33 *
34 * $FreeBSD$
35 */
36
37#define	__constructor	__attribute__((constructor))
38
39struct afswtch;
40struct cmd;
41
42typedef	void c_func(const char *cmd, int arg, int s, const struct afswtch *afp);
43typedef	void c_func2(const char *arg1, const char *arg2, int s, const struct afswtch *afp);
44
45struct cmd {
46	const char *c_name;
47	int	c_parameter;
48#define	NEXTARG		0xffffff	/* has following arg */
49#define	NEXTARG2	0xfffffe	/* has 2 following args */
50#define	OPTARG		0xfffffd	/* has optional following arg */
51	union {
52		c_func	*c_func;
53		c_func2	*c_func2;
54	} c_u;
55	int	c_iscloneop;
56	struct cmd *c_next;
57};
58void	cmd_register(struct cmd *);
59
60typedef	void callback_func(int s, void *);
61void	callback_register(callback_func *, void *);
62
63/*
64 * Macros for declaring command functions and initializing entries.
65 */
66#define	DECL_CMD_FUNC(name, cmd, arg) \
67	void name(const char *cmd, int arg, int s, const struct afswtch *afp)
68#define	DECL_CMD_FUNC2(name, arg1, arg2) \
69	void name(const char *arg1, const char *arg2, int s, const struct afswtch *afp)
70
71#define	DEF_CMD(name, param, func)	{ name, param, { .c_func = func }, 0, NULL }
72#define	DEF_CMD_ARG(name, func)		{ name, NEXTARG, { .c_func = func }, 0, NULL }
73#define	DEF_CMD_OPTARG(name, func)	{ name, OPTARG, { .c_func = func }, 0, NULL }
74#define	DEF_CMD_ARG2(name, func)	{ name, NEXTARG2, { .c_func2 = func }, 0, NULL }
75#define	DEF_CLONE_CMD(name, param, func) { name, param, { .c_func = func }, 1, NULL }
76#define	DEF_CLONE_CMD_ARG(name, func)	{ name, NEXTARG, { .c_func = func }, 1, NULL }
77
78struct ifaddrs;
79struct addrinfo;
80
81enum {
82	RIDADDR,
83	ADDR,
84	MASK,
85	DSTADDR,
86};
87
88struct afswtch {
89	const char	*af_name;	/* as given on cmd line, e.g. "inet" */
90	short		af_af;		/* AF_* */
91	/*
92	 * Status is handled one of two ways; if there is an
93	 * address associated with the interface then the
94	 * associated address family af_status method is invoked
95	 * with the appropriate addressin info.  Otherwise, if
96	 * all possible info is to be displayed and af_other_status
97	 * is defined then it is invoked after all address status
98	 * is presented.
99	 */
100	void		(*af_status)(int, const struct ifaddrs *);
101	void		(*af_other_status)(int);
102					/* parse address method */
103	void		(*af_getaddr)(const char *, int);
104					/* parse prefix method (IPv6) */
105	void		(*af_getprefix)(const char *, int);
106	void		(*af_postproc)(int s, const struct afswtch *);
107	u_long		af_difaddr;	/* set dst if address ioctl */
108	u_long		af_aifaddr;	/* set if address ioctl */
109	void		*af_ridreq;	/* */
110	void		*af_addreq;	/* */
111	struct afswtch	*af_next;
112
113	/* XXX doesn't fit model */
114	void		(*af_status_tunnel)(int);
115	void		(*af_settunnel)(int s, struct addrinfo *srcres,
116				struct addrinfo *dstres);
117};
118void	af_register(struct afswtch *);
119
120struct option {
121	const char *opt;
122	const char *opt_usage;
123	void	(*cb)(const char *arg);
124	struct option *next;
125};
126void	opt_register(struct option *);
127
128extern	struct ifreq ifr;
129extern	char name[IFNAMSIZ];	/* name of interface */
130extern	int allmedia;
131extern	int supmedia;
132extern	int printkeys;
133extern	int newaddr;
134extern	int verbose;
135
136void	setifcap(const char *, int value, int s, const struct afswtch *);
137
138void	Perror(const char *cmd);
139void	printb(const char *s, unsigned value, const char *bits);
140
141void	ifmaybeload(const char *name);
142
143typedef void clone_callback_func(int, struct ifreq *);
144void	clone_setdefcallback(const char *, clone_callback_func *);
145
146/*
147 * XXX expose this so modules that neeed to know of any pending
148 * operations on ifmedia can avoid cmd line ordering confusion.
149 */
150struct ifmediareq *ifmedia_getstate(int s);
151
152void print_vhid(const struct ifaddrs *, const char *);
153
154