1/*
2 * ipcp.h - IP Control Protocol definitions.
3 *
4 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in
15 *    the documentation and/or other materials provided with the
16 *    distribution.
17 *
18 * 3. The name "Carnegie Mellon University" must not be used to
19 *    endorse or promote products derived from this software without
20 *    prior written permission. For permission or any legal
21 *    details, please contact
22 *      Office of Technology Transfer
23 *      Carnegie Mellon University
24 *      5000 Forbes Avenue
25 *      Pittsburgh, PA  15213-3890
26 *      (412) 268-4387, fax: (412) 268-7395
27 *      tech-transfer@andrew.cmu.edu
28 *
29 * 4. Redistributions of any form whatsoever must retain the following
30 *    acknowledgment:
31 *    "This product includes software developed by Computing Services
32 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
33 *
34 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
35 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
36 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
37 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
38 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
39 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
40 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
41 *
42 * $Id: ipcp.h,v 1.14 2002/12/04 23:03:32 paulus Exp $
43 */
44
45#include "netif/ppp/ppp_opts.h"
46#if PPP_SUPPORT && PPP_IPV4_SUPPORT /* don't build if not configured for use in lwipopts.h */
47
48#ifndef IPCP_H
49#define	IPCP_H
50
51#ifdef __cplusplus
52extern "C" {
53#endif
54
55/*
56 * Options.
57 */
58#define CI_ADDRS	1	/* IP Addresses */
59#if VJ_SUPPORT
60#define CI_COMPRESSTYPE	2	/* Compression Type */
61#endif /* VJ_SUPPORT */
62#define	CI_ADDR		3
63
64#if LWIP_DNS
65#define CI_MS_DNS1      129	/* Primary DNS value */
66#define CI_MS_DNS2      131     /* Secondary DNS value */
67#endif /* LWIP_DNS */
68#if 0 /* UNUSED - WINS */
69#define CI_MS_WINS1     130     /* Primary WINS value */
70#define CI_MS_WINS2     132	/* Secondary WINS value */
71#endif /* UNUSED - WINS */
72
73#if VJ_SUPPORT
74#define MAX_STATES 16		/* from slcompress.h */
75
76#define IPCP_VJMODE_OLD 1	/* "old" mode (option # = 0x0037) */
77#define IPCP_VJMODE_RFC1172 2	/* "old-rfc"mode (option # = 0x002d) */
78#define IPCP_VJMODE_RFC1332 3	/* "new-rfc"mode (option # = 0x002d, */
79                                /*  maxslot and slot number compression) */
80
81#define IPCP_VJ_COMP 0x002d	/* current value for VJ compression option*/
82#define IPCP_VJ_COMP_OLD 0x0037	/* "old" (i.e, broken) value for VJ */
83				/* compression option*/
84#endif /* VJ_SUPPORT */
85
86typedef struct ipcp_options {
87    unsigned int neg_addr               :1; /* Negotiate IP Address? */
88    unsigned int old_addrs              :1; /* Use old (IP-Addresses) option? */
89    unsigned int req_addr               :1; /* Ask peer to send IP address? */
90#if 0 /* UNUSED */
91    unsigned int default_route          :1; /* Assign default route through interface? */
92    unsigned int replace_default_route  :1; /* Replace default route through interface? */
93#endif /* UNUSED */
94#if 0 /* UNUSED - PROXY ARP */
95    unsigned int proxy_arp              :1; /* Make proxy ARP entry for peer? */
96#endif /* UNUSED - PROXY ARP */
97#if VJ_SUPPORT
98    unsigned int neg_vj                 :1; /* Van Jacobson Compression? */
99    unsigned int old_vj                 :1; /* use old (short) form of VJ option? */
100    unsigned int cflag                  :1;
101#endif /* VJ_SUPPORT */
102    unsigned int accept_local           :1; /* accept peer's value for ouraddr */
103    unsigned int accept_remote          :1; /* accept peer's value for hisaddr */
104#if LWIP_DNS
105    unsigned int req_dns1               :1; /* Ask peer to send primary DNS address? */
106    unsigned int req_dns2               :1; /* Ask peer to send secondary DNS address? */
107#endif /* LWIP_DNS */
108
109    u32_t ouraddr, hisaddr;	/* Addresses in NETWORK BYTE ORDER */
110#if LWIP_DNS
111    u32_t dnsaddr[2];	/* Primary and secondary MS DNS entries */
112#endif /* LWIP_DNS */
113#if 0 /* UNUSED - WINS */
114    u32_t winsaddr[2];	/* Primary and secondary MS WINS entries */
115#endif /* UNUSED - WINS */
116
117#if VJ_SUPPORT
118    u16_t vj_protocol;		/* protocol value to use in VJ option */
119    u8_t  maxslotindex;		/* values for RFC1332 VJ compression neg. */
120#endif /* VJ_SUPPORT */
121} ipcp_options;
122
123#if 0 /* UNUSED, already defined by lwIP */
124char *ip_ntoa (u32_t);
125#endif /* UNUSED, already defined by lwIP */
126
127extern const struct protent ipcp_protent;
128
129#ifdef __cplusplus
130}
131#endif
132
133#endif /* IPCP_H */
134#endif /* PPP_SUPPORT && PPP_IPV4_SUPPORT */
135