minix/lib/liblwip/dist/src/include/netif/ppp/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 "netif/ppp/ppp_opts.h"
  46 #if PPP_SUPPORT && PPP_IPV4_SUPPORT /* don't build if not configured for use in lwipopts.h */
  47
  48 #ifndef IPCP_H
  49 #define IPCP_H
  50
  51 /*
  52  * Options.
  53  */
  54 #define CI_ADDRS        1       /* IP Addresses */
  55 #if VJ_SUPPORT
  56 #define CI_COMPRESSTYPE 2       /* Compression Type */
  57 #endif /* VJ_SUPPORT */
  58 #define CI_ADDR         3
  59
  60 #if LWIP_DNS
  61 #define CI_MS_DNS1      129     /* Primary DNS value */
  62 #define CI_MS_DNS2      131     /* Secondary DNS value */
  63 #endif /* LWIP_DNS */
  64 #if 0 /* UNUSED - WINS */
  65 #define CI_MS_WINS1     130     /* Primary WINS value */
  66 #define CI_MS_WINS2     132     /* Secondary WINS value */
  67 #endif /* UNUSED - WINS */
  68
  69 #if VJ_SUPPORT
  70 #define MAX_STATES 16           /* from slcompress.h */
  71
  72 #define IPCP_VJMODE_OLD 1       /* "old" mode (option # = 0x0037) */
  73 #define IPCP_VJMODE_RFC1172 2   /* "old-rfc"mode (option # = 0x002d) */
  74 #define IPCP_VJMODE_RFC1332 3   /* "new-rfc"mode (option # = 0x002d, */
  75                                 /*  maxslot and slot number compression) */
  76
  77 #define IPCP_VJ_COMP 0x002d     /* current value for VJ compression option*/
  78 #define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
  79                                 /* compression option*/
  80 #endif /* VJ_SUPPORT */
  81
  82 typedef struct ipcp_options {
  83     unsigned int neg_addr               :1; /* Negotiate IP Address? */
  84     unsigned int old_addrs              :1; /* Use old (IP-Addresses) option? */
  85     unsigned int req_addr               :1; /* Ask peer to send IP address? */
  86 #if 0 /* UNUSED */
  87     unsigned int default_route          :1; /* Assign default route through interface? */
  88     unsigned int replace_default_route  :1; /* Replace default route through interface? */
  89 #endif /* UNUSED */
  90 #if 0 /* UNUSED - PROXY ARP */
  91     unsigned int proxy_arp              :1; /* Make proxy ARP entry for peer? */
  92 #endif /* UNUSED - PROXY ARP */
  93 #if VJ_SUPPORT
  94     unsigned int neg_vj                 :1; /* Van Jacobson Compression? */
  95     unsigned int old_vj                 :1; /* use old (short) form of VJ option? */
  96     unsigned int cflag                  :1;
  97 #endif /* VJ_SUPPORT */
  98     unsigned int accept_local           :1; /* accept peer's value for ouraddr */
  99     unsigned int accept_remote          :1; /* accept peer's value for hisaddr */
 100 #if LWIP_DNS
 101     unsigned int req_dns1               :1; /* Ask peer to send primary DNS address? */
 102     unsigned int req_dns2               :1; /* Ask peer to send secondary DNS address? */
 103 #endif /* LWIP_DNS */
 104
 105     u32_t ouraddr, hisaddr;     /* Addresses in NETWORK BYTE ORDER */
 106 #if LWIP_DNS
 107     u32_t dnsaddr[2];   /* Primary and secondary MS DNS entries */
 108 #endif /* LWIP_DNS */
 109 #if 0 /* UNUSED - WINS */
 110     u32_t winsaddr[2];  /* Primary and secondary MS WINS entries */
 111 #endif /* UNUSED - WINS */
 112
 113 #if VJ_SUPPORT
 114     u16_t vj_protocol;          /* protocol value to use in VJ option */
 115     u8_t  maxslotindex;         /* values for RFC1332 VJ compression neg. */
 116 #endif /* VJ_SUPPORT */
 117 } ipcp_options;
 118
 119 #if 0 /* UNUSED, already defined by lwIP */
 120 char *ip_ntoa (u32_t);
 121 #endif /* UNUSED, already defined by lwIP */
 122
 123 extern const struct protent ipcp_protent;
 124
 125 #endif /* IPCP_H */
 126 #endif /* PPP_SUPPORT && PPP_IPV4_SUPPORT */