1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/*
30 *	Copyright (c) 1988, 1989 Apple Computer, Inc.
31 */
32
33#ifndef _NETAT_AT_PAT_H_
34#define _NETAT_AT_PAT_H_
35#include <sys/appleapiopts.h>
36
37#ifdef __APPLE_API_OBSOLETE
38
39/* This is header for the PAT module. This contains a table of pointers that
40 * should get initialized with the BNET stuff and the ethernet driver. The
41 * number of interfaces supported should be communicated. Should include
42 * mbuf.h, if.h, socket.h
43 *
44 * Author: R. C. Venkatraman
45 * Date  : 2/29/88
46 */
47
48typedef struct {
49	unsigned char dst[6];
50	unsigned char src[6];
51	unsigned short len;
52} enet_header_t;
53
54typedef struct {
55	unsigned char dst_sap;
56	unsigned char src_sap;
57	unsigned char control;
58	unsigned char protocol[5];
59} llc_header_t;
60
61#define ENET_LLC_SIZE (sizeof(enet_header_t)+sizeof(llc_header_t))
62#define SNAP_UI		0x03  /* bits 11000000 reversed!! */
63#define SNAP_AT_SAP	0xaa
64#define SNAP_PROTO_AT	{0x08, 0x00, 0x07, 0x80, 0x9B}
65#define SNAP_PROTO_AARP	{0x00, 0x00, 0x00, 0x80, 0xF3}
66#define SNAP_HDR_AT	{SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AT}
67#define SNAP_HDR_AARP	{SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AARP}
68
69#define LLC_PROTO_EQUAL(a1, a2)                                         \
70        ((*((unsigned long *)(a1)) == *((unsigned long *)(a2))) &&      \
71	 (a1[4] == a2[4])				                \
72	)
73#endif /* __APPLE_API_OBSOLETE */
74
75#endif /* _NETAT_AT_PAT_H_ */
76