lib/liblwip/netif/ppp/ipcp.h

   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 */