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/* $OpenBSD: dll.h,v 1.3 2003/06/02 23:28:13 millert Exp $ */
/* $NetBSD: dll.h,v 1.3 1995/03/26 20:33:43 jtc Exp $ */
/*
* Copyright (C) Dirk Husemann, Computer Science Department IV,
* University of Erlangen-Nuremberg, Germany, 1990, 1991, 1992
* 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
*/
/*
* 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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