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Annotation of kernel/bsd/netccitt/dll.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* 
        !            26:  * Copyright (C) Dirk Husemann, Computer Science Department IV, 
        !            27:  *              University of Erlangen-Nuremberg, Germany, 1990, 1991, 1992
        !            28:  * Copyright (c) 1992, 1993
        !            29:  *     The Regents of the University of California.  All rights reserved.
        !            30:  *
        !            31:  * Redistribution and use in source and binary forms, with or without
        !            32:  * modification, are permitted provided that the following conditions
        !            33:  * are met:
        !            34:  * 1. Redistributions of source code must retain the above copyright
        !            35:  *    notice, this list of conditions and the following disclaimer.
        !            36:  * 2. Redistributions in binary form must reproduce the above copyright
        !            37:  *    notice, this list of conditions and the following disclaimer in the
        !            38:  *    documentation and/or other materials provided with the distribution.
        !            39:  * 3. All advertising materials mentioning features or use of this software
        !            40:  *    must display the following acknowledgement:
        !            41:  *     This product includes software developed by the University of
        !            42:  *     California, Berkeley and its contributors.
        !            43:  * 4. Neither the name of the University nor the names of its contributors
        !            44:  *    may be used to endorse or promote products derived from this software
        !            45:  *    without specific prior written permission.
        !            46:  *
        !            47:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            48:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            49:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            50:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            51:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            52:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            53:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            54:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            55:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            56:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            57:  * SUCH DAMAGE.
        !            58:  *
        !            59:  *     @(#)dll.h       8.1 (Berkeley) 6/10/93
        !            60:  */
        !            61: 
        !            62: /* 
        !            63:  * We define the additional PRC_* codes in here
        !            64:  */
        !            65: #ifdef _KERNEL
        !            66: #ifndef PRC_IFUP
        !            67: #define PRC_IFUP                  3
        !            68: #endif
        !            69: #define PRC_CONNECT_INDICATION     8
        !            70: #define PRC_CONNECT_REQUEST        9
        !            71: #define PRC_DISCONNECT_REQUEST     10
        !            72: #define PRC_DISCONNECT_INDICATION  11
        !            73: #define PRC_RESET_REQUEST          12
        !            74: #endif
        !            75: 
        !            76: /*
        !            77:  * Data link layer configuration --- basically a copy of the relevant parts
        !            78:  * of x25config, implemented to become a little bit more network
        !            79:  * layer independent. (Probably only used for casting et al.)
        !            80:  */
        !            81: struct dllconfig {
        !            82:        u_short dllcfg_unused0:4,
        !            83:                dllcfg_unused1:4,
        !            84:                dllcfg_trace:1,     /* link level tracing flag */
        !            85:                dllcfg_window:7;    /* link level window size */
        !            86:        u_short dllcfg_xchxid:1,    /* exchange XID (not yet) */
        !            87:                dllcfg_unused2:7;   /* here be dragons */
        !            88: };
        !            89: 
        !            90: struct dll_ctlinfo {
        !            91:        union {
        !            92:                struct {
        !            93:                        struct  dllconfig *dctli_up_cfg;
        !            94:                        u_char  dctli_up_lsap;
        !            95:                } CTLI_UP;
        !            96:                struct {
        !            97:                        caddr_t dctli_down_pcb;
        !            98:                        struct rtentry *dctli_down_rt;
        !            99:                        struct dllconfig *dctli_down_llconf;
        !           100:                } CTLI_DOWN;
        !           101:        } CTLIun;
        !           102: };
        !           103: #define dlcti_cfg  CTLIun.CTLI_UP.dctli_up_cfg
        !           104: #define dlcti_lsap CTLIun.CTLI_UP.dctli_up_lsap
        !           105: #define dlcti_pcb  CTLIun.CTLI_DOWN.dctli_down_pcb
        !           106: #define dlcti_rt   CTLIun.CTLI_DOWN.dctli_down_rt
        !           107: #define dlcti_conf CTLIun.CTLI_DOWN.dctli_down_llconf

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