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 /*
52  * Options.
53  */
54 #define CI_ADDRS	1	/* IP Addresses */
55 #if VJ_SUPPORT
56 #define CI_COMPRESSTYPE	2	/* Compression Type */
57 #endif /* VJ_SUPPORT */
58 #define	CI_ADDR		3
59 
60 #if LWIP_DNS
61 #define CI_MS_DNS1      129	/* Primary DNS value */
62 #define CI_MS_DNS2      131     /* Secondary DNS value */
63 #endif /* LWIP_DNS */
64 #if 0 /* UNUSED - WINS */
65 #define CI_MS_WINS1     130     /* Primary WINS value */
66 #define CI_MS_WINS2     132	/* Secondary WINS value */
67 #endif /* UNUSED - WINS */
68 
69 #if VJ_SUPPORT
70 #define MAX_STATES 16		/* from slcompress.h */
71 
72 #define IPCP_VJMODE_OLD 1	/* "old" mode (option # = 0x0037) */
73 #define IPCP_VJMODE_RFC1172 2	/* "old-rfc"mode (option # = 0x002d) */
74 #define IPCP_VJMODE_RFC1332 3	/* "new-rfc"mode (option # = 0x002d, */
75                                 /*  maxslot and slot number compression) */
76 
77 #define IPCP_VJ_COMP 0x002d	/* current value for VJ compression option*/
78 #define IPCP_VJ_COMP_OLD 0x0037	/* "old" (i.e, broken) value for VJ */
79 				/* compression option*/
80 #endif /* VJ_SUPPORT */
81 
82 typedef struct ipcp_options {
83     unsigned int neg_addr               :1; /* Negotiate IP Address? */
84     unsigned int old_addrs              :1; /* Use old (IP-Addresses) option? */
85     unsigned int req_addr               :1; /* Ask peer to send IP address? */
86 #if 0 /* UNUSED */
87     unsigned int default_route          :1; /* Assign default route through interface? */
88     unsigned int replace_default_route  :1; /* Replace default route through interface? */
89 #endif /* UNUSED */
90 #if 0 /* UNUSED - PROXY ARP */
91     unsigned int proxy_arp              :1; /* Make proxy ARP entry for peer? */
92 #endif /* UNUSED - PROXY ARP */
93 #if VJ_SUPPORT
94     unsigned int neg_vj                 :1; /* Van Jacobson Compression? */
95     unsigned int old_vj                 :1; /* use old (short) form of VJ option? */
96     unsigned int cflag                  :1;
97 #endif /* VJ_SUPPORT */
98     unsigned int accept_local           :1; /* accept peer's value for ouraddr */
99     unsigned int accept_remote          :1; /* accept peer's value for hisaddr */
100 #if LWIP_DNS
101     unsigned int req_dns1               :1; /* Ask peer to send primary DNS address? */
102     unsigned int req_dns2               :1; /* Ask peer to send secondary DNS address? */
103 #endif /* LWIP_DNS */
104 
105     u32_t ouraddr, hisaddr;	/* Addresses in NETWORK BYTE ORDER */
106 #if LWIP_DNS
107     u32_t dnsaddr[2];	/* Primary and secondary MS DNS entries */
108 #endif /* LWIP_DNS */
109 #if 0 /* UNUSED - WINS */
110     u32_t winsaddr[2];	/* Primary and secondary MS WINS entries */
111 #endif /* UNUSED - WINS */
112 
113 #if VJ_SUPPORT
114     u16_t vj_protocol;		/* protocol value to use in VJ option */
115     u8_t  maxslotindex;		/* values for RFC1332 VJ compression neg. */
116 #endif /* VJ_SUPPORT */
117 } ipcp_options;
118 
119 #if 0 /* UNUSED, already defined by lwIP */
120 char *ip_ntoa (u32_t);
121 #endif /* UNUSED, already defined by lwIP */
122 
123 extern const struct protent ipcp_protent;
124 
125 #endif /* IPCP_H */
126 #endif /* PPP_SUPPORT && PPP_IPV4_SUPPORT */
127