90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/*
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* Copyright (C) Dirk Husemann, Computer Science Department IV,
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* University of Erlangen-Nuremberg, Germany, 1990, 1991, 1992
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dll.h 8.1 (Berkeley) 6/10/93
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* $Id: dll.h,v 1.3 1994/08/21 05:44:06 paul Exp $
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*/
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#ifndef _NETCCITT_DLL_H_
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#define _NETCCITT_DLL_H_
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/*
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* We define the additional PRC_* codes in here
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*/
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#ifdef KERNEL
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#ifndef PRC_IFUP
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#define PRC_IFUP 3
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#endif
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#define PRC_CONNECT_INDICATION 8
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#define PRC_CONNECT_REQUEST 9
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#define PRC_DISCONNECT_REQUEST 10
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#define PRC_DISCONNECT_INDICATION 11
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#define PRC_RESET_REQUEST 12
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#endif
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/*
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* Data link layer configuration --- basically a copy of the relevant parts
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* of x25config, implemented to become a little bit more network
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* layer independent. (Probably only used for casting et al.)
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*/
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struct dllconfig {
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u_short dllcfg_unused0:4,
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dllcfg_unused1:4,
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dllcfg_trace:1, /* link level tracing flag */
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dllcfg_window:7; /* link level window size */
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u_short dllcfg_xchxid:1, /* exchange XID (not yet) */
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dllcfg_unused2:7; /* here be dragons */
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};
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struct dll_ctlinfo {
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union {
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struct {
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struct dllconfig *dctli_up_cfg;
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u_char dctli_up_lsap;
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} CTLI_UP;
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struct {
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caddr_t dctli_down_pcb;
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struct rtentry *dctli_down_rt;
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struct dllconfig *dctli_down_llconf;
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} CTLI_DOWN;
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} CTLIun;
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};
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#define dlcti_cfg CTLIun.CTLI_UP.dctli_up_cfg
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#define dlcti_lsap CTLIun.CTLI_UP.dctli_up_lsap
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#define dlcti_pcb CTLIun.CTLI_DOWN.dctli_down_pcb
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#define dlcti_rt CTLIun.CTLI_DOWN.dctli_down_rt
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#define dlcti_conf CTLIun.CTLI_DOWN.dctli_down_llconf
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#endif
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