Generally use NULL instead of explicitly casting 0 to some pointer type (part2).
[dragonfly.git] / usr.sbin / pppd / ipcp.h
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1/*
2 * ipcp.h - IP Control Protocol definitions.
3 *
4 * Copyright (c) 1989 Carnegie Mellon University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University. The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * $FreeBSD: src/usr.sbin/pppd/ipcp.h,v 1.10 1999/08/28 01:19:03 peter Exp $
2d8a3be7 20 * $DragonFly: src/usr.sbin/pppd/ipcp.h,v 1.3 2003/11/03 19:31:40 eirikn Exp $
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21 */
22
23/*
24 * Options.
25 */
26#define CI_ADDRS 1 /* IP Addresses */
27#define CI_COMPRESSTYPE 2 /* Compression Type */
28#define CI_ADDR 3
29
30#define CI_MS_DNS1 129 /* Primary DNS value */
31#define CI_MS_WINS1 130 /* Primary WINS value */
32#define CI_MS_DNS2 131 /* Secondary DNS value */
33#define CI_MS_WINS2 132 /* Secondary WINS value */
34
35#define MAX_STATES 16 /* from slcompress.h */
36
37#define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
38#define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */
39#define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */
40 /* maxslot and slot number compression) */
41
42#define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
43#define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
44 /* compression option*/
45
46typedef struct ipcp_options {
47 int neg_addr : 1; /* Negotiate IP Address? */
48 int old_addrs : 1; /* Use old (IP-Addresses) option? */
49 int req_addr : 1; /* Ask peer to send IP address? */
50 int default_route : 1; /* Assign default route through interface? */
51 int proxy_arp : 1; /* Make proxy ARP entry for peer? */
52 int neg_vj : 1; /* Van Jacobson Compression? */
53 int old_vj : 1; /* use old (short) form of VJ option? */
54 int accept_local : 1; /* accept peer's value for ouraddr */
55 int accept_remote : 1; /* accept peer's value for hisaddr */
56 u_short vj_protocol; /* protocol value to use in VJ option */
57 u_char maxslotindex, cflag; /* values for RFC1332 VJ compression neg. */
58 u_int32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
59 u_int32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
60 u_int32_t winsaddr[2]; /* Primary and secondary MS WINS entries */
61} ipcp_options;
62
63extern fsm ipcp_fsm[];
64extern ipcp_options ipcp_wantoptions[];
65extern ipcp_options ipcp_gotoptions[];
66extern ipcp_options ipcp_allowoptions[];
67extern ipcp_options ipcp_hisoptions[];
68
2d8a3be7 69char *ip_ntoa(u_int32_t);
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70
71extern struct protent ipcp_protent;