1 /*****************************************************************************
2 * ipcp.h -  PPP IP NCP: Internet Protocol Network Control Protocol header file.
3 *
4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
5 * portions Copyright (c) 1997 Global Election Systems Inc.
6 *
7 * The authors hereby grant permission to use, copy, modify, distribute,
8 * and license this software and its documentation for any purpose, provided
9 * that existing copyright notices are retained in all copies and that this
10 * notice and the following disclaimer are included verbatim in any
11 * distributions. No written agreement, license, or royalty fee is required
12 * for any of the authorized uses.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 ******************************************************************************
26 * REVISION HISTORY
27 *
28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
29 *   Ported to lwIP.
30 * 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
31 *   Original derived from BSD codes.
32 *****************************************************************************/
33 /*
34  * ipcp.h - IP Control Protocol definitions.
35  *
36  * Copyright (c) 1989 Carnegie Mellon University.
37  * All rights reserved.
38  *
39  * Redistribution and use in source and binary forms are permitted
40  * provided that the above copyright notice and this paragraph are
41  * duplicated in all such forms and that any documentation,
42  * advertising materials, and other materials related to such
43  * distribution and use acknowledge that the software was developed
44  * by Carnegie Mellon University.  The name of the
45  * University may not be used to endorse or promote products derived
46  * from this software without specific prior written permission.
47  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
48  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
49  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
50  *
51  * $Id: ipcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
52  */
53 
54 #ifndef IPCP_H
55 #define IPCP_H
56 
57 /*
58  * Options.
59  */
60 #define CI_ADDRS            1      /* IP Addresses */
61 #define CI_COMPRESSTYPE     2      /* Compression Type */
62 #define CI_ADDR             3
63 
64 #define CI_MS_DNS1          129    /* Primary DNS value */
65 #define CI_MS_WINS1         128    /* Primary WINS value */
66 #define CI_MS_DNS2          131    /* Secondary DNS value */
67 #define CI_MS_WINS2         130    /* Secondary WINS value */
68 
69 #define IPCP_VJMODE_OLD     1      /* "old" mode (option # = 0x0037) */
70 #define IPCP_VJMODE_RFC1172 2      /* "old-rfc"mode (option # = 0x002d) */
71 #define IPCP_VJMODE_RFC1332 3      /* "new-rfc"mode (option # = 0x002d, */
72                                    /*  maxslot and slot number compression) */
73 
74 #define IPCP_VJ_COMP        0x002d /* current value for VJ compression option */
75 #define IPCP_VJ_COMP_OLD    0x0037 /* "old" (i.e, broken) value for VJ */
76                                    /* compression option */
77 
78 typedef struct ipcp_options {
79   u_int   neg_addr      : 1; /* Negotiate IP Address? */
80   u_int   old_addrs     : 1; /* Use old (IP-Addresses) option? */
81   u_int   req_addr      : 1; /* Ask peer to send IP address? */
82   u_int   default_route : 1; /* Assign default route through interface? */
83   u_int   proxy_arp     : 1; /* Make proxy ARP entry for peer? */
84   u_int   neg_vj        : 1; /* Van Jacobson Compression? */
85   u_int   old_vj        : 1; /* use old (short) form of VJ option? */
86   u_int   accept_local  : 1; /* accept peer's value for ouraddr */
87   u_int   accept_remote : 1; /* accept peer's value for hisaddr */
88   u_int   req_dns1      : 1; /* Ask peer to send primary DNS address? */
89   u_int   req_dns2      : 1; /* Ask peer to send secondary DNS address? */
90   u_short vj_protocol;       /* protocol value to use in VJ option */
91   u_char  maxslotindex;      /* VJ slots - 1. */
92   u_char  cflag;             /* VJ slot compression flag. */
93   u32_t   ouraddr, hisaddr;  /* Addresses in NETWORK BYTE ORDER */
94   u32_t   dnsaddr[2];        /* Primary and secondary MS DNS entries */
95   u32_t   winsaddr[2];       /* Primary and secondary MS WINS entries */
96 } ipcp_options;
97 
98 extern fsm ipcp_fsm[];
99 extern ipcp_options ipcp_wantoptions[];
100 extern ipcp_options ipcp_gotoptions[];
101 extern ipcp_options ipcp_allowoptions[];
102 extern ipcp_options ipcp_hisoptions[];
103 
104 extern struct protent ipcp_protent;
105 
106 #endif /* IPCP_H */
107