/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) University of British Columbia, 1984 * Copyright (c) 1990, 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Laboratory for Computation Vision and the Computer Science Department * of the University of British Columbia. * * 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. * * @(#)pk.h 8.1 (Berkeley) 6/10/93 */ /* * * X.25 Packet Level Definitions: * */ /* Packet type identifier field defintions. */ #define X25_CALL 11 #define X25_CALL_ACCEPTED 15 #define X25_CLEAR 19 #define X25_CLEAR_CONFIRM 23 #define X25_DATA 0 #define X25_INTERRUPT 35 #define X25_INTERRUPT_CONFIRM 39 #define X25_RR 1 #define X25_RNR 5 #define X25_REJECT 9 #define X25_RESET 27 #define X25_RESET_CONFIRM 31 #define X25_DIAGNOSTIC 241 #define X25_RESTART 251 #define X25_RESTART_CONFIRM 255 /* Restart cause field definitions. */ #define X25_RESTART_DTE_ORIGINATED 0 #define X25_RESTART_LOCAL_PROCEDURE_ERROR 1 #define X25_RESTART_NETWORK_CONGESTION 3 #define X25_RESTART_NETWORK_OPERATIONAL 7 #define X25_RESTART_DTE_ORIGINATED2 128 /* Miscellaneous definitions. */ #define DATA_PACKET_DESIGNATOR 0x01 #define RR_OR_RNR_PACKET_DESIGNATOR 0x02 #define RR_PACKET_DESIGNATOR 0x04 #define DEFAULT_WINDOW_SIZE 2 #define MODULUS 8 #define ADDRLN 1 #define MAXADDRLN 15 #define FACILITIESLN 1 #define MAXFACILITIESLN 10 #define MAXUSERDATA 16 #define MAXCALLINFOLN 1+15+1+10+16 #define PACKET_OK 0 #define IGNORE_PACKET 1 #define ERROR_PACKET 2 typedef char bool; #define FALSE 0 #define TRUE 1 /* * X.25 Packet format definitions * This will eventually have to be rewritten without reference * to bit fields, to be ansi C compliant and allignment safe. */ typedef u_char octet; struct x25_calladdr { octet addrlens; octet address_field[MAXADDRLN]; }; struct x25_packet { octet bits; octet logical_channel_number; octet packet_type; octet packet_data; }; #define packet_cause packet_data struct data_packet { octet bits; }; #define FACILITIES_REVERSE_CHARGE 0x1 #define FACILITIES_THROUGHPUT 0x2 #define FACILITIES_PACKETSIZE 0x42 #define FACILITIES_WINDOWSIZE 0x43 #define PKHEADERLN 3 #define DP(xp) (((struct data_packet *)&(xp) -> packet_type) -> bits) #define PS(xp) X25GBITS(DP(xp), p_s) #define PR(xp) X25GBITS(DP(xp), p_r) #define MBIT(xp) X25GBITS(DP(xp), m_bit) #define SPR(xp, v) X25SBITS(DP(xp), p_r, (v)) #define SPS(xp, v) X25SBITS(DP(xp), p_s, (v)) #define SMBIT(xp, v) X25SBITS(DP(xp), m_bit, (v)) #define LCN(xp) (xp -> logical_channel_number + \ (X25GBITS(xp -> bits, lc_group_number) ? (X25GBITS(xp -> bits, lc_group_number) << 8) : 0)) #define SET_LCN(xp, lcn) ((xp -> logical_channel_number = lcn), \ (X25SBITS(xp -> bits, lc_group_number, lcn > 255 ? lcn >> 8 : 0))) struct mbuf *pk_template (); /* Define X.25 packet level states. */ /* Call setup and clearing substates. */ #define LISTEN 0 #define READY 1 #define RECEIVED_CALL 2 #define SENT_CALL 3 #define DATA_TRANSFER 4 #define RECEIVED_CLEAR 5 #define SENT_CLEAR 6 /* DTE states. */ #define DTE_WAITING 7 #define DTE_RECEIVED_RESTART 8 #define DTE_SENT_RESTART 9 #define DTE_READY 0 /* Cleaning out ... */ #define LCN_ZOMBIE 10 #define MAXSTATES 11 /* * The following definitions are used in a switch statement after * determining the packet type. These values are returned by the * pk_decode procedure. */ #define CALL 0 * MAXSTATES #define CALL_ACCEPTED 1 * MAXSTATES #define CLEAR 2 * MAXSTATES #define CLEAR_CONF 3 * MAXSTATES #define DATA 4 * MAXSTATES #define INTERRUPT 5 * MAXSTATES #define INTERRUPT_CONF 6 * MAXSTATES #define RR 7 * MAXSTATES #define RNR 8 * MAXSTATES #define RESET 9 * MAXSTATES #define RESET_CONF 10 * MAXSTATES #define RESTART 11 * MAXSTATES #define RESTART_CONF 12 * MAXSTATES #define REJECT 13 * MAXSTATES #define DIAG_TYPE 14 * MAXSTATES #define INVALID_PACKET 15 * MAXSTATES #define DELETE_PACKET INVALID_PACKET /* * The following definitions are used by the restart procedures * for noting wether the PLE is supposed to behave as DTE or DCE * (essentially necessary for operation over LLC2) */ #define DTE_DXERESOLVING 0x0001 #define DTE_PLAYDTE 0x0002 #define DTE_PLAYDCE 0x0004 #define DTE_CONNECTPENDING 0x0010 #define DTE_PRETENDDTE 0x0020 #define MAXRESTARTCOLLISIONS 10