1/*	$OpenBSD: ipcp.h,v 1.7 2002/07/01 19:31:37 deraadt Exp $	*/
2
3/*
4 * ipcp.h - IP Control Protocol definitions.
5 *
6 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. The name "Carnegie Mellon University" must not be used to
21 *    endorse or promote products derived from this software without
22 *    prior written permission. For permission or any legal
23 *    details, please contact
24 *      Office of Technology Transfer
25 *      Carnegie Mellon University
26 *      5000 Forbes Avenue
27 *      Pittsburgh, PA  15213-3890
28 *      (412) 268-4387, fax: (412) 268-7395
29 *      tech-transfer@andrew.cmu.edu
30 *
31 * 4. Redistributions of any form whatsoever must retain the following
32 *    acknowledgment:
33 *    "This product includes software developed by Computing Services
34 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
35 *
36 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
37 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
38 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
39 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
40 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
41 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
42 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
43 */
44
45/*
46 * Options.
47 */
48#define CI_ADDRS	1	/* IP Addresses */
49#define CI_COMPRESSTYPE	2	/* Compression Type */
50#define	CI_ADDR		3
51
52#define CI_MS_DNS1	129	/* Primary DNS value */
53#define CI_MS_WINS1	130	/* Primary WINS value */
54#define CI_MS_DNS2	131	/* Secondary DNS value */
55#define CI_MS_WINS2	132	/* Secondary WINS value */
56
57#define MAX_STATES 16		/* from slcompress.h */
58
59#define IPCP_VJMODE_OLD 1	/* "old" mode (option # = 0x0037) */
60#define IPCP_VJMODE_RFC1172 2	/* "old-rfc"mode (option # = 0x002d) */
61#define IPCP_VJMODE_RFC1332 3	/* "new-rfc"mode (option # = 0x002d, */
62                                /*  maxslot and slot number compression) */
63
64#define IPCP_VJ_COMP 0x002d	/* current value for VJ compression option*/
65#define IPCP_VJ_COMP_OLD 0x0037	/* "old" (i.e, broken) value for VJ */
66				/* compression option*/
67
68typedef struct ipcp_options {
69    int neg_addr : 1;		/* Negotiate IP Address? */
70    int old_addrs : 1;		/* Use old (IP-Addresses) option? */
71    int req_addr : 1;		/* Ask peer to send IP address? */
72    int default_route : 1;	/* Assign default route through interface? */
73    int proxy_arp : 1;		/* Make proxy ARP entry for peer? */
74    int neg_vj : 1;		/* Van Jacobson Compression? */
75    int old_vj : 1;		/* use old (short) form of VJ option? */
76    int accept_local : 1;	/* accept peer's value for ouraddr */
77    int accept_remote : 1;	/* accept peer's value for hisaddr */
78    u_short vj_protocol;	/* protocol value to use in VJ option */
79    u_char maxslotindex, cflag;	/* values for RFC1332 VJ compression neg. */
80    u_int32_t ouraddr, hisaddr;	/* Addresses in NETWORK BYTE ORDER */
81    u_int32_t dnsaddr[2];	/* Primary and secondary MS DNS entries */
82    u_int32_t winsaddr[2];	/* Primary and secondary MS WINS entries */
83} ipcp_options;
84
85extern fsm ipcp_fsm[];
86extern ipcp_options ipcp_wantoptions[];
87extern ipcp_options ipcp_gotoptions[];
88extern ipcp_options ipcp_allowoptions[];
89extern ipcp_options ipcp_hisoptions[];
90
91char *ip_ntoa(u_int32_t);
92
93extern struct protent ipcp_protent;
94