release/src/router/pppd/pppd/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 /*
  46  * Options.
  47  */
  48 #define CI_ADDRS        1       /* IP Addresses */
  49 #define CI_COMPRESSTYPE 2       /* Compression Type */
  50 #define CI_ADDR         3
  51
  52 #define CI_MS_DNS1      129     /* Primary DNS value */
  53 #define CI_MS_WINS1     130     /* Primary WINS value */
  54 #define CI_MS_DNS2      131     /* Secondary DNS value */
  55 #define CI_MS_WINS2     132     /* Secondary WINS value */
  56
  57 #define MAX_STATES 16           /* from slcompress.h */
  58
  59 #define IPCP_VJMODE_OLD 1       /* "old" mode (option # = 0x0037) */
  60 #define IPCP_VJMODE_RFC1172 2   /* "old-rfc"mode (option # = 0x002d) */
  61 #define IPCP_VJMODE_RFC1332 3   /* "new-rfc"mode (option # = 0x002d, */
  62                                 /*  maxslot and slot number compression) */
  63
  64 #define IPCP_VJ_COMP 0x002d     /* current value for VJ compression option*/
  65 #define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
  66                                 /* compression option*/
  67
  68 typedef struct ipcp_options {
  69     bool neg_addr;              /* Negotiate IP Address? */
  70     bool old_addrs;             /* Use old (IP-Addresses) option? */
  71     bool req_addr;              /* Ask peer to send IP address? */
  72     bool default_route;         /* Assign default route through interface? */
  73     bool proxy_arp;             /* Make proxy ARP entry for peer? */
  74     bool neg_vj;                /* Van Jacobson Compression? */
  75     bool old_vj;                /* use old (short) form of VJ option? */
  76     bool accept_local;          /* accept peer's value for ouraddr */
  77     bool accept_remote;         /* accept peer's value for hisaddr */
  78     bool req_dns1;              /* Ask peer to send primary DNS address? */
  79     bool req_dns2;              /* Ask peer to send secondary DNS address? */
  80     int  vj_protocol;           /* protocol value to use in VJ option */
  81     int  maxslotindex;          /* values for RFC1332 VJ compression neg. */
  82     bool cflag;
  83     u_int32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
  84     u_int32_t dnsaddr[2];       /* Primary and secondary MS DNS entries */
  85     u_int32_t winsaddr[2];      /* Primary and secondary MS WINS entries */
  86 } ipcp_options;
  87
  88 extern fsm ipcp_fsm[];
  89 extern ipcp_options ipcp_wantoptions[];
  90 extern ipcp_options ipcp_gotoptions[];
  91 extern ipcp_options ipcp_allowoptions[];
  92 extern ipcp_options ipcp_hisoptions[];
  93
  94 char *ip_ntoa __P((u_int32_t));
  95
  96 extern struct protent ipcp_protent;