2 * ipcp.h - IP Control Protocol definitions.
4 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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
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
25 * Pittsburgh, PA 15213-3890
26 * (412) 268-4387, fax: (412) 268-7395
27 * tech-transfer@andrew.cmu.edu
29 * 4. Redistributions of any form whatsoever must retain the following
31 * "This product includes software developed by Computing Services
32 * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
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.
50 #define CI_ADDRS 1 /* IP Addresses */
51 #define CI_COMPRESSTYPE 2 /* Compression Type */
54 #define CI_MS_DNS1 129 /* Primary DNS value */
55 #define CI_MS_WINS1 130 /* Primary WINS value */
56 #define CI_MS_DNS2 131 /* Secondary DNS value */
57 #define CI_MS_WINS2 132 /* Secondary WINS value */
59 #define MAX_STATES 16 /* from slcompress.h */
61 #define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
62 #define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */
63 #define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */
64 /* maxslot and slot number compression) */
66 #define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
67 #define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
68 /* compression option*/
70 typedef struct ipcp_options {
71 bool neg_addr; /* Negotiate IP Address? */
72 bool old_addrs; /* Use old (IP-Addresses) option? */
73 bool req_addr; /* Ask peer to send IP address? */
74 bool default_route; /* Assign default route through interface? */
75 bool replace_default_route; /* Replace default route through interface? */
76 bool proxy_arp; /* Make proxy ARP entry for peer? */
77 bool neg_vj; /* Van Jacobson Compression? */
78 bool old_vj; /* use old (short) form of VJ option? */
79 bool accept_local; /* accept peer's value for ouraddr */
80 bool accept_remote; /* accept peer's value for hisaddr */
81 bool req_dns1; /* Ask peer to send primary DNS address? */
82 bool req_dns2; /* Ask peer to send secondary DNS address? */
83 bool req_wins1; /* Ask peer to send primary WINS address? */
84 bool req_wins2; /* Ask peer to send secondary WINS address? */
85 int vj_protocol; /* protocol value to use in VJ option */
86 int maxslotindex; /* values for RFC1332 VJ compression neg. */
88 uint32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
89 uint32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
90 uint32_t winsaddr[2]; /* Primary and secondary MS WINS entries */
93 extern fsm ipcp_fsm[];
94 extern ipcp_options ipcp_wantoptions[];
95 extern ipcp_options ipcp_gotoptions[];
96 extern ipcp_options ipcp_allowoptions[];
97 extern ipcp_options ipcp_hisoptions[];
99 char *ip_ntoa(uint32_t);
101 extern struct protent ipcp_protent;
104 * Hook for a plugin to know when IP protocol has come up
106 typedef void (ip_up_hook_fn)(void);
107 extern ip_up_hook_fn *ip_up_hook;
110 * Hook for a plugin to know when IP protocol has come down
112 typedef void (ip_down_hook_fn)(void);
113 extern ip_down_hook_fn *ip_down_hook;
116 * Hook for a plugin to choose the remote IP address
118 typedef void (ip_choose_hook_fn)(uint32_t *);
119 extern ip_choose_hook_fn *ip_choose_hook;
121 #endif /* PPP_IPCP_H */