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: stable/3/sys/netgraph/ng_ppp.h 67532 2000-10-24 22:45:12Z julian $
   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          940897794
   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_LINK_STATS,         /* takes link #, returns stats struct */
   82         NGM_PPP_CLR_LINK_STATS,         /* takes link #, clears link stats */
   83         NGM_PPP_GETCLR_LINK_STATS,      /* takes link #, returns & clrs stats */
   84 };
   85 
   86 /* Per-link config structure */
   87 struct ng_ppp_link_conf {
   88         u_char          enableLink;     /* enable this link */
   89         u_char          enableProtoComp;/* enable protocol field compression */
   90         u_char          enableACFComp;  /* enable addr/ctrl field compression */
   91         u_int16_t       mru;            /* peer MRU */
   92         u_int32_t       latency;        /* link latency (in milliseconds) */
   93         u_int32_t       bandwidth;      /* link bandwidth (in bytes/second) */
   94 };
   95 
   96 /* Keep this in sync with the above structure definition */
   97 #define NG_PPP_LINK_TYPE_INFO   {                               \
   98         {                                                       \
   99           { "enableLink",       &ng_parse_int8_type     },      \
  100           { "enableProtoComp",  &ng_parse_int8_type     },      \
  101           { "enableACFComp",    &ng_parse_int8_type     },      \
  102           { "mru",              &ng_parse_int16_type    },      \
  103           { "latency",          &ng_parse_int32_type    },      \
  104           { "bandwidth",        &ng_parse_int32_type    },      \
  105           { NULL },                                             \
  106         }                                                       \
  107 }
  108 
  109 /* Bundle config structure */
  110 struct ng_ppp_bund_conf {
  111         u_int16_t       mrru;                   /* multilink peer MRRU */
  112         u_char          enableMultilink;        /* enable multilink */
  113         u_char          recvShortSeq;           /* recv multilink short seq # */
  114         u_char          xmitShortSeq;           /* xmit multilink short seq # */
  115         u_char          enableRoundRobin;       /* xmit whole packets */
  116         u_char          enableIP;               /* enable IP data flow */
  117         u_char          enableIPv6;             /* enable IPv6 data flow */
  118         u_char          enableAtalk;            /* enable AppleTalk data flow */
  119         u_char          enableIPX;              /* enable IPX data flow */
  120         u_char          enableCompression;      /* enable PPP compression */
  121         u_char          enableDecompression;    /* enable PPP decompression */
  122         u_char          enableEncryption;       /* enable PPP encryption */
  123         u_char          enableDecryption;       /* enable PPP decryption */
  124         u_char          enableVJCompression;    /* enable VJ compression */
  125         u_char          enableVJDecompression;  /* enable VJ decompression */
  126 };
  127 
  128 /* Keep this in sync with the above structure definition */
  129 #define NG_PPP_BUND_TYPE_INFO   {                                       \
  130         {                                                               \
  131           { "mrru",                     &ng_parse_int16_type    },      \
  132           { "enableMultilink",          &ng_parse_int8_type     },      \
  133           { "recvShortSeq",             &ng_parse_int8_type     },      \
  134           { "xmitShortSeq",             &ng_parse_int8_type     },      \
  135           { "enableRoundRobin",         &ng_parse_int8_type     },      \
  136           { "enableIP",                 &ng_parse_int8_type     },      \
  137           { "enableIPv6",               &ng_parse_int8_type     },      \
  138           { "enableAtalk",              &ng_parse_int8_type     },      \
  139           { "enableIPX",                &ng_parse_int8_type     },      \
  140           { "enableCompression",        &ng_parse_int8_type     },      \
  141           { "enableDecompression",      &ng_parse_int8_type     },      \
  142           { "enableEncryption",         &ng_parse_int8_type     },      \
  143           { "enableDecryption",         &ng_parse_int8_type     },      \
  144           { "enableVJCompression",      &ng_parse_int8_type     },      \
  145           { "enableVJDecompression",    &ng_parse_int8_type     },      \
  146           { NULL }                                                      \
  147         }                                                               \
  148 }
  149 
  150 /* Total node config structure */
  151 struct ng_ppp_node_conf {
  152         struct ng_ppp_bund_conf bund;
  153         struct ng_ppp_link_conf links[NG_PPP_MAX_LINKS];
  154 };
  155 
  156 /* Keep this in sync with the above structure definition */
  157 #define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype)        {       \
  158         {                                                       \
  159           { "bund",             (bctype)        },              \
  160           { "links",            (arytype)       },              \
  161           { NULL }                                              \
  162         }                                                       \
  163 }
  164 
  165 /* Statistics struct for a link (or the bundle if NG_PPP_BUNDLE_LINKNUM) */
  166 struct ng_ppp_link_stat {
  167         u_int32_t xmitFrames;           /* xmit frames on link */
  168         u_int32_t xmitOctets;           /* xmit octets on link */
  169         u_int32_t recvFrames;           /* recv frames on link */
  170         u_int32_t recvOctets;           /* recv octets on link */
  171         u_int32_t badProtos;            /* frames rec'd with bogus protocol */
  172         u_int32_t runts;                /* Too short MP fragments */
  173         u_int32_t dupFragments;         /* MP frames with duplicate seq # */
  174         u_int32_t dropFragments;        /* MP fragments we had to drop */
  175 };
  176 
  177 /* Keep this in sync with the above structure definition */
  178 #define NG_PPP_STATS_TYPE_INFO  {                               \
  179         {                                                       \
  180           { "xmitFrames",       &ng_parse_int32_type    },      \
  181           { "xmitOctets",       &ng_parse_int32_type    },      \
  182           { "recvFrames",       &ng_parse_int32_type    },      \
  183           { "recvOctets",       &ng_parse_int32_type    },      \
  184           { "badProtos",        &ng_parse_int32_type    },      \
  185           { "runts",            &ng_parse_int32_type    },      \
  186           { "dupFragments",     &ng_parse_int32_type    },      \
  187           { "dropFragments",    &ng_parse_int32_type    },      \
  188           { NULL }                                              \
  189         }                                                       \
  190 }
  191 
  192 #endif /* _NETGRAPH_PPP_H_ */

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