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

     /*
      * ng_pptpgre.h
      */
     
     /*-
      * Copyright (c) 1999 Whistle Communications, Inc.
      * All rights reserved.
      * 
      * Subject to the following obligations and disclaimer of warranty, use and
     * redistribution of this software, in source or object code forms, with or
     * without modifications are expressly permitted by Whistle Communications;
     * provided, however, that:
     * 1. Any and all reproductions of the source or object code must include the
     *    copyright notice above and the following disclaimer of warranties; and
     * 2. No rights are granted, in any manner or form, to use Whistle
     *    Communications, Inc. trademarks, including the mark "WHISTLE
     *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
     *    such appears in the above copyright notice or in the software.
     * 
     * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
     * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
     * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
     * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
     * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
     * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
     * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
     * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
     * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
     * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
     * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
     * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
     * OF SUCH DAMAGE.
     *
     * Author: Archie Cobbs <archie@freebsd.org>
     *
     * $FreeBSD: releng/6.2/sys/netgraph/ng_pptpgre.h 139823 2005-01-07 01:45:51Z imp $
     * $Whistle: ng_pptpgre.h,v 1.3 1999/12/08 00:11:36 archie Exp $
     */
    
    #ifndef _NETGRAPH_NG_PPTPGRE_H_
    #define _NETGRAPH_NG_PPTPGRE_H_
    
    /* Node type name and magic cookie */
    #define NG_PPTPGRE_NODE_TYPE    "pptpgre"
    #define NGM_PPTPGRE_COOKIE      1082548365
    
    /* Hook names */
    #define NG_PPTPGRE_HOOK_UPPER   "upper"         /* to upper layers */
    #define NG_PPTPGRE_HOOK_LOWER   "lower"         /* to lower layers */
    
    /* Configuration for a session */
    struct ng_pptpgre_conf {
            u_char          enabled;        /* enables traffic flow */
            u_char          enableDelayedAck;/* enables delayed acks */
            u_char          enableAlwaysAck;/* always include ack with data */
            u_char          enableWindowing;/* enable windowing algorithm */
            u_int16_t       cid;            /* my call id */
            u_int16_t       peerCid;        /* peer call id */
            u_int16_t       recvWin;        /* peer recv window size */
            u_int16_t       peerPpd;        /* peer packet processing delay
                                               (in units of 1/10 of a second) */
    };
    
    /* Keep this in sync with the above structure definition */
    #define NG_PPTPGRE_CONF_TYPE_INFO       {                       \
              { "enabled",          &ng_parse_uint8_type    },      \
              { "enableDelayedAck", &ng_parse_uint8_type    },      \
              { "enableAlwaysAck",  &ng_parse_uint8_type    },      \
              { "enableWindowing",  &ng_parse_uint8_type    },      \
              { "cid",              &ng_parse_hint16_type   },      \
              { "peerCid",          &ng_parse_hint16_type   },      \
              { "recvWin",          &ng_parse_uint16_type   },      \
              { "peerPpd",          &ng_parse_uint16_type   },      \
              { NULL }                                              \
    }
    
    /* Statistics struct */
    struct ng_pptpgre_stats {
            u_int32_t xmitPackets;          /* number of GRE packets xmit */
            u_int32_t xmitOctets;           /* number of GRE octets xmit */
            u_int32_t xmitLoneAcks;         /* ack-only packets transmitted */
            u_int32_t xmitDrops;            /* xmits dropped due to full window */
            u_int32_t xmitTooBig;           /* xmits dropped because too big */
            u_int32_t recvPackets;          /* number of GRE packets rec'd */
            u_int32_t recvOctets;           /* number of GRE octets rec'd */
            u_int32_t recvRunts;            /* too short packets rec'd */
            u_int32_t recvBadGRE;           /* bogus packets rec'd (bad GRE hdr) */
            u_int32_t recvBadAcks;          /* bogus ack's rec'd in GRE header */
            u_int32_t recvBadCID;           /* pkts with unknown call ID rec'd */
            u_int32_t recvOutOfOrder;       /* packets rec'd out of order */
            u_int32_t recvDuplicates;       /* packets rec'd with duplicate seq # */
            u_int32_t recvLoneAcks;         /* ack-only packets rec'd */
            u_int32_t recvAckTimeouts;      /* times peer failed to ack in time */
            u_int32_t memoryFailures;       /* times we couldn't allocate memory */
    };
   
   /* Keep this in sync with the above structure definition */
   #define NG_PPTPGRE_STATS_TYPE_INFO      {                       \
             { "xmitPackets",      &ng_parse_uint32_type   },      \
             { "xmitOctets",       &ng_parse_uint32_type   },      \
             { "xmitLoneAcks",     &ng_parse_uint32_type   },      \
             { "xmitDrops",        &ng_parse_uint32_type   },      \
             { "xmitTooBig",       &ng_parse_uint32_type   },      \
             { "recvPackets",      &ng_parse_uint32_type   },      \
             { "recvOctets",       &ng_parse_uint32_type   },      \
             { "recvRunts",        &ng_parse_uint32_type   },      \
             { "recvBadGRE",       &ng_parse_uint32_type   },      \
             { "recvBadAcks",      &ng_parse_uint32_type   },      \
             { "recvBadCID",       &ng_parse_uint32_type   },      \
             { "recvOutOfOrder",   &ng_parse_uint32_type   },      \
             { "recvDuplicates",   &ng_parse_uint32_type   },      \
             { "recvLoneAcks",     &ng_parse_uint32_type   },      \
             { "recvAckTimeouts",  &ng_parse_uint32_type   },      \
             { "memoryFailures",   &ng_parse_uint32_type   },      \
             { NULL }                                              \
   }
   
   /* Netgraph commands */
   enum {
           NGM_PPTPGRE_SET_CONFIG = 1,     /* supply a struct ng_pptpgre_conf */
           NGM_PPTPGRE_GET_CONFIG,         /* returns a struct ng_pptpgre_conf */
           NGM_PPTPGRE_GET_STATS,          /* returns struct ng_pptpgre_stats */
           NGM_PPTPGRE_CLR_STATS,          /* clears stats */
           NGM_PPTPGRE_GETCLR_STATS,       /* returns & clears stats */
   };
   
   #endif /* _NETGRAPH_NG_PPTPGRE_H_ */

Cache object: ec2a5d787f29b7f470e19a9c8b979b37