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


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FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_ppp.h

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    1 
    2 /*
    3  * ng_ppp.h
    4  *
    5  * Copyright (c) 1996-2000 Whistle Communications, Inc.
    6  * All rights reserved.
    7  * 
    8  * Subject to the following obligations and disclaimer of warranty, use and
    9  * redistribution of this software, in source or object code forms, with or
   10  * without modifications are expressly permitted by Whistle Communications;
   11  * provided, however, that:
   12  * 1. Any and all reproductions of the source or object code must include the
   13  *    copyright notice above and the following disclaimer of warranties; and
   14  * 2. No rights are granted, in any manner or form, to use Whistle
   15  *    Communications, Inc. trademarks, including the mark "WHISTLE
   16  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
   17  *    such appears in the above copyright notice or in the software.
   18  * 
   19  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
   20  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
   21  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
   22  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
   23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
   24  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
   25  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
   26  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
   27  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
   28  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
   29  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
   30  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
   31  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
   32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   34  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
   35  * OF SUCH DAMAGE.
   36  *
   37  * Author: Archie Cobbs <archie@freebsd.org>
   38  *
   39  * $FreeBSD: releng/5.1/sys/netgraph/ng_ppp.h 97685 2002-05-31 23:48:03Z archie $
   40  * $Whistle: ng_ppp.h,v 1.8 1999/01/25 02:40:02 archie Exp $
   41  */
   42 
   43 #ifndef _NETGRAPH_PPP_H_
   44 #define _NETGRAPH_PPP_H_
   45 
   46 /* Node type name and magic cookie */
   47 #define NG_PPP_NODE_TYPE        "ppp"
   48 #define NGM_PPP_COOKIE          940897795
   49 
   50 /* Maximum number of supported links */
   51 #define NG_PPP_MAX_LINKS        16
   52 
   53 /* Pseudo-link number representing the multi-link bundle */
   54 #define NG_PPP_BUNDLE_LINKNUM   0xffff
   55 
   56 /* Max allowable link latency (miliseconds) and bandwidth (bytes/second/10) */
   57 #define NG_PPP_MAX_LATENCY      1000            /* 1 second */
   58 #define NG_PPP_MAX_BANDWIDTH    125000          /* 10 Mbits / second */
   59 
   60 /* Hook names */
   61 #define NG_PPP_HOOK_BYPASS      "bypass"        /* unknown protocols */
   62 #define NG_PPP_HOOK_COMPRESS    "compress"      /* outgoing compression */
   63 #define NG_PPP_HOOK_DECOMPRESS  "decompress"    /* incoming decompression */
   64 #define NG_PPP_HOOK_ENCRYPT     "encrypt"       /* outgoing encryption */
   65 #define NG_PPP_HOOK_DECRYPT     "decrypt"       /* incoming decryption */
   66 #define NG_PPP_HOOK_VJC_IP      "vjc_ip"        /* VJC raw IP */
   67 #define NG_PPP_HOOK_VJC_COMP    "vjc_vjcomp"    /* VJC compressed TCP */
   68 #define NG_PPP_HOOK_VJC_UNCOMP  "vjc_vjuncomp"  /* VJC uncompressed TCP */
   69 #define NG_PPP_HOOK_VJC_VJIP    "vjc_vjip"      /* VJC uncompressed IP */
   70 #define NG_PPP_HOOK_INET        "inet"          /* IP packet data */
   71 #define NG_PPP_HOOK_ATALK       "atalk"         /* AppleTalk packet data */
   72 #define NG_PPP_HOOK_IPX         "ipx"           /* IPX packet data */
   73 #define NG_PPP_HOOK_IPV6        "ipv6"          /* IPv6 packet data */
   74 
   75 #define NG_PPP_HOOK_LINK_PREFIX "link"          /* append decimal link number */
   76 
   77 /* Netgraph commands */
   78 enum {
   79         NGM_PPP_SET_CONFIG = 1,         /* takes struct ng_ppp_node_conf */
   80         NGM_PPP_GET_CONFIG,             /* returns ng_ppp_node_conf */
   81         NGM_PPP_GET_MP_STATE,           /* returns ng_ppp_mp_state */
   82         NGM_PPP_GET_LINK_STATS,         /* takes link #, returns stats struct */
   83         NGM_PPP_CLR_LINK_STATS,         /* takes link #, clears link stats */
   84         NGM_PPP_GETCLR_LINK_STATS,      /* takes link #, returns & clrs stats */
   85 };
   86 
   87 /* Multi-link sequence number state (for debugging) */
   88 struct ng_ppp_mp_state {
   89         int32_t         rseq[NG_PPP_MAX_LINKS]; /* highest rec'd MP seq # */
   90         int32_t         mseq;                   /* min rseq[i] */
   91         int32_t         xseq;                   /* next xmit MP seq # */
   92 };
   93 
   94 /* Keep this in sync with the above structure definition */
   95 #define NG_PPP_MP_STATE_TYPE_INFO(atype)        {               \
   96           { "rseq",     (atype)                 },              \
   97           { "mseq",     &ng_parse_hint32_type   },              \
   98           { "xseq",     &ng_parse_hint32_type   },              \
   99           { NULL }                                              \
  100 }
  101 
  102 /* Per-link config structure */
  103 struct ng_ppp_link_conf {
  104         u_char          enableLink;     /* enable this link */
  105         u_char          enableProtoComp;/* enable protocol field compression */
  106         u_char          enableACFComp;  /* enable addr/ctrl field compression */
  107         u_int16_t       mru;            /* peer MRU */
  108         u_int32_t       latency;        /* link latency (in milliseconds) */
  109         u_int32_t       bandwidth;      /* link bandwidth (in bytes/second) */
  110 };
  111 
  112 /* Keep this in sync with the above structure definition */
  113 #define NG_PPP_LINK_TYPE_INFO   {                               \
  114           { "enableLink",       &ng_parse_uint8_type    },      \
  115           { "enableProtoComp",  &ng_parse_uint8_type    },      \
  116           { "enableACFComp",    &ng_parse_uint8_type    },      \
  117           { "mru",              &ng_parse_uint16_type   },      \
  118           { "latency",          &ng_parse_uint32_type   },      \
  119           { "bandwidth",        &ng_parse_uint32_type   },      \
  120           { NULL }                                              \
  121 }
  122 
  123 /* Bundle config structure */
  124 struct ng_ppp_bund_conf {
  125         u_int16_t       mrru;                   /* multilink peer MRRU */
  126         u_char          enableMultilink;        /* enable multilink */
  127         u_char          recvShortSeq;           /* recv multilink short seq # */
  128         u_char          xmitShortSeq;           /* xmit multilink short seq # */
  129         u_char          enableRoundRobin;       /* xmit whole packets */
  130         u_char          enableIP;               /* enable IP data flow */
  131         u_char          enableIPv6;             /* enable IPv6 data flow */
  132         u_char          enableAtalk;            /* enable AppleTalk data flow */
  133         u_char          enableIPX;              /* enable IPX data flow */
  134         u_char          enableCompression;      /* enable PPP compression */
  135         u_char          enableDecompression;    /* enable PPP decompression */
  136         u_char          enableEncryption;       /* enable PPP encryption */
  137         u_char          enableDecryption;       /* enable PPP decryption */
  138         u_char          enableVJCompression;    /* enable VJ compression */
  139         u_char          enableVJDecompression;  /* enable VJ decompression */
  140 };
  141 
  142 /* Keep this in sync with the above structure definition */
  143 #define NG_PPP_BUND_TYPE_INFO   {                                       \
  144           { "mrru",                     &ng_parse_uint16_type   },      \
  145           { "enableMultilink",          &ng_parse_uint8_type    },      \
  146           { "recvShortSeq",             &ng_parse_uint8_type    },      \
  147           { "xmitShortSeq",             &ng_parse_uint8_type    },      \
  148           { "enableRoundRobin",         &ng_parse_uint8_type    },      \
  149           { "enableIP",                 &ng_parse_uint8_type    },      \
  150           { "enableIPv6",               &ng_parse_uint8_type    },      \
  151           { "enableAtalk",              &ng_parse_uint8_type    },      \
  152           { "enableIPX",                &ng_parse_uint8_type    },      \
  153           { "enableCompression",        &ng_parse_uint8_type    },      \
  154           { "enableDecompression",      &ng_parse_uint8_type    },      \
  155           { "enableEncryption",         &ng_parse_uint8_type    },      \
  156           { "enableDecryption",         &ng_parse_uint8_type    },      \
  157           { "enableVJCompression",      &ng_parse_uint8_type    },      \
  158           { "enableVJDecompression",    &ng_parse_uint8_type    },      \
  159           { NULL }                                                      \
  160 }
  161 
  162 /* Total node config structure */
  163 struct ng_ppp_node_conf {
  164         struct ng_ppp_bund_conf bund;
  165         struct ng_ppp_link_conf links[NG_PPP_MAX_LINKS];
  166 };
  167 
  168 /* Keep this in sync with the above structure definition */
  169 #define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype)        {       \
  170           { "bund",             (bctype)        },              \
  171           { "links",            (arytype)       },              \
  172           { NULL }                                              \
  173 }
  174 
  175 /* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
  176 struct ng_ppp_link_stat {
  177         u_int32_t xmitFrames;           /* xmit frames on link */
  178         u_int32_t xmitOctets;           /* xmit octets on link */
  179         u_int32_t recvFrames;           /* recv frames on link */
  180         u_int32_t recvOctets;           /* recv octets on link */
  181         u_int32_t badProtos;            /* frames rec'd with bogus protocol */
  182         u_int32_t runts;                /* Too short MP fragments */
  183         u_int32_t dupFragments;         /* MP frames with duplicate seq # */
  184         u_int32_t dropFragments;        /* MP fragments we had to drop */
  185 };
  186 
  187 /* Keep this in sync with the above structure definition */
  188 #define NG_PPP_STATS_TYPE_INFO  {                               \
  189           { "xmitFrames",       &ng_parse_uint32_type   },      \
  190           { "xmitOctets",       &ng_parse_uint32_type   },      \
  191           { "recvFrames",       &ng_parse_uint32_type   },      \
  192           { "recvOctets",       &ng_parse_uint32_type   },      \
  193           { "badProtos",        &ng_parse_uint32_type   },      \
  194           { "runts",            &ng_parse_uint32_type   },      \
  195           { "dupFragments",     &ng_parse_uint32_type   },      \
  196           { "dropFragments",    &ng_parse_uint32_type   },      \
  197           { NULL }                                              \
  198 }
  199 
  200 #endif /* _NETGRAPH_PPP_H_ */

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