FreeBSD/Linux Kernel Cross Reference
sys/netccitt/dll.h

     /*      $NetBSD: dll.h,v 1.5 2003/08/07 16:33:00 agc Exp $      */
     
     /* 
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON 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 ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)dll.h       8.1 (Berkeley) 6/10/93
     */
    
    /* 
     * Copyright (c) 1990, 1991, 1992
     *              Dirk Husemann, Computer Science Department IV, 
     *              University of Erlangen-Nuremberg, Germany.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON 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 ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)dll.h       8.1 (Berkeley) 6/10/93
     */
    
    /* 
     * We define the additional PRC_* codes in here
     */
    #ifdef _KERNEL
    #ifndef PRC_IFUP
    #define PRC_IFUP                   3
    #endif
    #define PRC_CONNECT_INDICATION     8
    #define PRC_CONNECT_REQUEST        9
    #define PRC_DISCONNECT_REQUEST     10
    #define PRC_DISCONNECT_INDICATION  11
    #define PRC_RESET_REQUEST          12
    #endif
    
    /*
     * Data link layer configuration --- basically a copy of the relevant parts
     * of x25config, implemented to become a little bit more network
     * layer independent. (Probably only used for casting et al.)
     */
    struct dllconfig {
           u_short dllcfg_unused0:4,
                   dllcfg_unused1:4,
                   dllcfg_trace:1,     /* link level tracing flag */
                   dllcfg_window:7;    /* link level window size */
           u_short dllcfg_xchxid:1,    /* exchange XID (not yet) */
                   dllcfg_unused2:7;   /* here be dragons */
    };
    
    struct dll_ctlinfo {
            union {
                   struct {
                           struct  dllconfig *dctli_up_cfg;
                           u_char  dctli_up_lsap;
                   } CTLI_UP;
                   struct {
                           caddr_t dctli_down_pcb;
                           struct rtentry *dctli_down_rt;
                           struct dllconfig *dctli_down_llconf;
                   } CTLI_DOWN;
           } CTLIun;
   };
   #define dlcti_cfg  CTLIun.CTLI_UP.dctli_up_cfg
   #define dlcti_lsap CTLIun.CTLI_UP.dctli_up_lsap
   #define dlcti_pcb  CTLIun.CTLI_DOWN.dctli_down_pcb
   #define dlcti_rt   CTLIun.CTLI_DOWN.dctli_down_rt
   #define dlcti_conf CTLIun.CTLI_DOWN.dctli_down_llconf

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