+++ /dev/null
-/*
- * 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) 1991, 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.
- *
- * @(#)hdlc.h 8.1 (Berkeley) 6/10/93
- */
-
-#ifndef ORDER4
-#define FALSE 0
-#define TRUE 1
-typedef u_char octet;
-typedef char bool;
-
-/*
- * HDLC Packet format definitions
- * This will eventually have to be rewritten without reference
- * to bit fields, to be compliant with ANSI C and alignment safe.
- */
-
-#if BYTE_ORDER == BIG_ENDIAN
-#define ORDER4(a, b, c, d) a , b , c , d
-#define ORDER5(a, b, c, d, e) a , b , c , d , e
-#endif
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define ORDER4(a, b, c, d) d , c , b , a
-#define ORDER5(a, b, c, d, e) e , d , c , b , a
-#endif
-#endif
-
-#define MAX_INFO_LEN 4096+3+4
-#define ADDRESS_A 3 /* B'00000011' */
-#define ADDRESS_B 1 /* B'00000001' */
-
-struct Hdlc_iframe {
- octet address;
- octet ORDER4(nr:3, pf:1, ns:3, hdlc_0:1);
- octet i_field[MAX_INFO_LEN];
-};
-
-struct Hdlc_sframe {
- octet address;
- octet ORDER4(nr:3, pf:1, s2:2, hdlc_01:2);
-};
-
-struct Hdlc_uframe {
- octet address;
- octet ORDER4(m3:3, pf:1, m2:2, hdlc_11:2);
-};
-
-struct Frmr_frame {
- octet address;
- octet control;
- octet frmr_control;
- octet ORDER4(frmr_nr:3, frmr_f1_0:1, frmr_ns:3, frmr_f2_0:1);
- octet ORDER5(frmr_0000:4, frmr_z:1, frmr_y:1, frmr_x:1, frmr_w:1);
-};
-
-#define HDHEADERLN 2
-#define MINFRLN 2 /* Minimum frame length. */
-
-struct Hdlc_frame {
- octet address;
- octet control;
- octet info[3]; /* min for FRMR */
-};
-
-#define SABM_CONTROL 057 /* B'00101111' */
-#define UA_CONTROL 0143 /* B'01100011' */
-#define DISC_CONTROL 0103 /* B'01000011' */
-#define DM_CONTROL 017 /* B'00001111' */
-#define FRMR_CONTROL 0207 /* B'10000111' */
-#define RR_CONTROL 01 /* B'00000001' */
-#define RNR_CONTROL 05 /* B'00000101' */
-#define REJ_CONTROL 011 /* B'00001001' */
-
-#define POLLOFF 0
-#define POLLON 1
-
-/* Define Link State constants. */
-
-#define INIT 0
-#define DM_SENT 1
-#define SABM_SENT 2
-#define ABM 3
-#define WAIT_SABM 4
-#define WAIT_UA 5
-#define DISC_SENT 6
-#define DISCONNECTED 7
-#define MAXSTATE 8
-
-/* The following constants are used in a switch statement to process
- frames read from the communications line. */
-
-#define SABM 0 * MAXSTATE
-#define DM 1 * MAXSTATE
-#define DISC 2 * MAXSTATE
-#define UA 3 * MAXSTATE
-#define FRMR 4 * MAXSTATE
-#define RR 5 * MAXSTATE
-#define RNR 6 * MAXSTATE
-#define REJ 7 * MAXSTATE
-#define IFRAME 8 * MAXSTATE
-#define ILLEGAL 9 * MAXSTATE
-
-#define T1 (3 * PR_SLOWHZ) /* IFRAME TIMEOUT - 3 seconds */
-#define T3 (T1 / 2) /* RR generate timeout - 1.5 seconds */
-#define N2 10
-#define MODULUS 8
-#define MAX_WINDOW_SIZE 7
-
-#define Z 0
-#define Y 1
-#define X 2
-#define W 3
-#define A 4
-
-#define TX 0
-#define RX 1
-
-bool range_check ();
-bool valid_nr ();
-struct mbuf *hd_remove ();
projects / apple / xnu.git / blobdiff