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ipcp.h
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 "ppp_opts.h"
46 #if PPP_SUPPORT && PPP_IPV4_SUPPORT /* don't build if not configured for use in ppp_opts.h */
47 
48 #ifndef IPCP_H
49 #define IPCP_H
50 
51 #ifdef __cplusplus
52 extern "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 PPP_DNS
65 #define CI_MS_DNS1 129 /* Primary DNS value */
66 #define CI_MS_DNS2 131 /* Secondary DNS value */
67 #endif /* PPP_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 
86 typedef 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 PPP_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 /* PPP_DNS */
108 
109  u32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
110 #if PPP_DNS
111  u32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
112 #endif /* PPP_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 */
124 char *ip_ntoa (u32_t);
125 #endif /* UNUSED, already defined */
126 
127 extern const struct protent ipcp_protent;
128 
129 #ifdef __cplusplus
130 }
131 #endif
132 
133 #endif /* IPCP_H */
134 #endif /* PPP_SUPPORT && PPP_IPV4_SUPPORT */
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