The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/net/ppp_defs.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: ppp_defs.h,v 1.11 2005/12/10 23:21:39 elad Exp $       */
    2 /*      Id: ppp_defs.h,v 1.11 1997/04/30 05:46:24 paulus Exp    */
    3 
    4 /*
    5  * ppp_defs.h - PPP definitions.
    6  *
    7  * Copyright (c) 1989-2002 Paul Mackerras. All rights reserved.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  *
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  *
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in
   18  *    the documentation and/or other materials provided with the
   19  *    distribution.
   20  *
   21  * 3. The name(s) of the authors of this software must not be used to
   22  *    endorse or promote products derived from this software without
   23  *    prior written permission.
   24  *
   25  * 4. Redistributions of any form whatsoever must retain the following
   26  *    acknowledgment:
   27  *    "This product includes software developed by Paul Mackerras
   28  *     <paulus@samba.org>".
   29  *
   30  * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
   31  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   32  * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
   33  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   34  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
   35  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
   36  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   37  */
   38 
   39 #ifndef _NET_PPP_DEFS_H_
   40 #define _NET_PPP_DEFS_H_
   41 
   42 /*
   43  * The basic PPP frame.
   44  */
   45 #define PPP_HDRLEN      4       /* octets for standard ppp header */
   46 #define PPP_FCSLEN      2       /* octets for FCS */
   47 
   48 /*
   49  * Packet sizes
   50  *
   51  * Note - lcp shouldn't be allowed to negotiate stuff outside these
   52  *        limits.  See lcp.h in the pppd directory.
   53  * (XXX - these constants should simply be shared by lcp.c instead
   54  *        of living in lcp.h)
   55  */
   56 #define PPP_MTU         1500    /* Default MTU (size of Info field) */
   57 #define PPP_MAXMTU      65535 - (PPP_HDRLEN + PPP_FCSLEN)
   58 #define PPP_MINMTU      64
   59 #define PPP_MRU         1500    /* default MRU = max length of info field */
   60 #define PPP_MAXMRU      65000   /* Largest MRU we allow */
   61 #define PPP_MINMRU      128
   62 
   63 #define PPP_ADDRESS(p)  (((u_char *)(p))[0])
   64 #define PPP_CONTROL(p)  (((u_char *)(p))[1])
   65 #define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
   66 
   67 /*
   68  * Significant octet values.
   69  */
   70 #define PPP_ALLSTATIONS 0xff    /* All-Stations broadcast address */
   71 #define PPP_UI          0x03    /* Unnumbered Information */
   72 #define PPP_FLAG        0x7e    /* Flag Sequence */
   73 #define PPP_ESCAPE      0x7d    /* Asynchronous Control Escape */
   74 #define PPP_TRANS       0x20    /* Asynchronous transparency modifier */
   75 
   76 /*
   77  * Protocol field values.
   78  */
   79 #define PPP_IP          0x0021          /* Internet Protocol */
   80 #define PPP_ISO         0x0023          /* ISO OSI Protocol */
   81 #define PPP_XNS         0x0025          /* Xerox NS Protocol */
   82 #define PPP_AT          0x0029          /* AppleTalk Protocol */
   83 #define PPP_IPX         0x002b          /* IPX protocol */
   84 #define PPP_VJC_COMP    0x002d          /* VJ compressed TCP */
   85 #define PPP_VJC_UNCOMP  0x002f          /* VJ uncompressed TCP */
   86 #define PPP_IPV6        0x0057          /* Internet Protocol Version 6 */
   87 #define PPP_COMP        0x00fd          /* compressed packet */
   88 #define PPP_IPCP        0x8021          /* IP Control Protocol */
   89 #define PPP_ATCP        0x8029          /* AppleTalk Control Protocol */
   90 #define PPP_IPXCP       0x802b          /* IPX Control Protocol */
   91 #define PPP_IPV6CP      0x8057          /* IPv6 Control Protocol */
   92 #define PPP_CCP         0x80fd          /* Compression Control Protocol */
   93 #define PPP_ECP         0x8053          /* Encryption Control Protocol */
   94 #define PPP_LCP         0xc021          /* Link Control Protocol */
   95 #define PPP_PAP         0xc023          /* Password Authentication Protocol */
   96 #define PPP_LQR         0xc025          /* Link Quality Report protocol */
   97 #define PPP_CHAP        0xc223          /* Crypto Handshake Auth. Protocol */
   98 #define PPP_CBCP        0xc029          /* Callback Control Protocol */
   99 #define PPP_EAP         0xc227          /* Extensible Authentication Protocol */
  100 
  101 /*
  102  * Values for FCS calculations.
  103  */
  104 #define PPP_INITFCS     0xffff  /* Initial FCS value */
  105 #define PPP_GOODFCS     0xf0b8  /* Good final FCS value */
  106 #define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
  107 
  108 /*
  109  * A 32-bit unsigned integral type.
  110  */
  111 #if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) && !defined(__FreeBSD__)
  112 #ifdef  UINT32_T
  113 typedef UINT32_T        u_int32_t;
  114 #else
  115 typedef unsigned int    u_int32_t;
  116 #endif
  117 #endif
  118 
  119 /*
  120  * Extended asyncmap - allows any character to be escaped.
  121  */
  122 typedef u_int32_t       ext_accm[8];
  123 
  124 /*
  125  * What to do with network protocol (NP) packets.
  126  */
  127 enum NPmode {
  128     NPMODE_PASS,                /* pass the packet through */
  129     NPMODE_DROP,                /* silently drop the packet */
  130     NPMODE_ERROR,               /* return an error */
  131     NPMODE_QUEUE                /* save it up for later. */
  132 };
  133 
  134 /*
  135  * Statistics.
  136  */
  137 struct pppstat  {
  138     unsigned int ppp_ibytes;    /* bytes received */
  139     unsigned int ppp_ipackets;  /* packets received */
  140     unsigned int ppp_ierrors;   /* receive errors */
  141     unsigned int ppp_obytes;    /* bytes sent */
  142     unsigned int ppp_opackets;  /* packets sent */
  143     unsigned int ppp_oerrors;   /* transmit errors */
  144 };
  145 
  146 struct vjstat {
  147     unsigned int vjs_packets;   /* outbound packets */
  148     unsigned int vjs_compressed; /* outbound compressed packets */
  149     unsigned int vjs_searches;  /* searches for connection state */
  150     unsigned int vjs_misses;    /* times couldn't find conn. state */
  151     unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
  152     unsigned int vjs_compressedin; /* inbound compressed packets */
  153     unsigned int vjs_errorin;   /* inbound unknown type packets */
  154     unsigned int vjs_tossed;    /* inbound packets tossed because of error */
  155 };
  156 
  157 struct ppp_stats {
  158     struct pppstat p;           /* basic PPP statistics */
  159     struct vjstat vj;           /* VJ header compression statistics */
  160 };
  161 
  162 struct compstat {
  163     unsigned int unc_bytes;     /* total uncompressed bytes */
  164     unsigned int unc_packets;   /* total uncompressed packets */
  165     unsigned int comp_bytes;    /* compressed bytes */
  166     unsigned int comp_packets;  /* compressed packets */
  167     unsigned int inc_bytes;     /* incompressible bytes */
  168     unsigned int inc_packets;   /* incompressible packets */
  169     unsigned int ratio;         /* recent compression ratio << 8 */
  170 };
  171 
  172 struct ppp_comp_stats {
  173     struct compstat c;          /* packet compression statistics */
  174     struct compstat d;          /* packet decompression statistics */
  175 };
  176 
  177 /*
  178  * The following structure records the time in seconds since
  179  * the last NP packet was sent or received.
  180  */
  181 struct ppp_idle {
  182     time_t xmit_idle;           /* time since last NP packet sent */
  183     time_t recv_idle;           /* time since last NP packet received */
  184 };
  185 
  186 #endif /* !_NET_PPP_DEFS_H_ */

Cache object: 1c70a3e697cec5bfdcfff7b7acd12706


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.