bsd/netat/at_pat.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30
  31 /*
  32  *      Copyright (c) 1988, 1989 Apple Computer, Inc.
  33  */
  34
  35 #ifndef _NETAT_AT_PAT_H_
  36 #define _NETAT_AT_PAT_H_
  37 #include <sys/appleapiopts.h>
  38
  39 #ifdef __APPLE_API_OBSOLETE
  40
  41 /* This is header for the PAT module. This contains a table of pointers that
  42  * should get initialized with the BNET stuff and the ethernet driver. The
  43  * number of interfaces supported should be communicated. Should include
  44  * mbuf.h, if.h, socket.h
  45  *
  46  * Author: R. C. Venkatraman
  47  * Date  : 2/29/88
  48  */
  49
  50 typedef struct {
  51         unsigned char dst[6];
  52         unsigned char src[6];
  53         unsigned short len;
  54 } enet_header_t;
  55
  56 typedef struct {
  57         unsigned char dst_sap;
  58         unsigned char src_sap;
  59         unsigned char control;
  60         unsigned char protocol[5];
  61 } llc_header_t;
  62
  63 #define ENET_LLC_SIZE (sizeof(enet_header_t)+sizeof(llc_header_t))
  64 #define SNAP_UI         0x03  /* bits 11000000 reversed!! */
  65 #define SNAP_AT_SAP     0xaa
  66 #define SNAP_PROTO_AT   {0x08, 0x00, 0x07, 0x80, 0x9B}
  67 #define SNAP_PROTO_AARP {0x00, 0x00, 0x00, 0x80, 0xF3}
  68 #define SNAP_HDR_AT     {SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AT}
  69 #define SNAP_HDR_AARP   {SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AARP}
  70
  71 #define LLC_PROTO_EQUAL(a1, a2)                                         \
  72         ((*((unsigned long *)(a1)) == *((unsigned long *)(a2))) &&      \
  73          (a1[4] == a2[4])                                               \
  74         )
  75 #endif /* __APPLE_API_OBSOLETE */
  76 #endif /* _NETAT_AT_PAT_H_ */