bsd/netat/at_pat.h

   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
  48 typedef struct {
  49         unsigned char dst[6];
  50         unsigned char src[6];
  51         unsigned short len;
  52 } enet_header_t;
  53
  54 typedef 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 #endif /* _NETAT_AT_PAT_H_ */