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Annotation of XNU/bsd/netat/at_pat.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: 
                     23: /*
                     24:  *     Copyright (c) 1988, 1989 Apple Computer, Inc. 
                     25:  */
                     26: 
                     27: #ifndef _NETAT_AT_PAT_H_
                     28: #define _NETAT_AT_PAT_H_
                     29: 
                     30: /* This is header for the PAT module. This contains a table of pointers that 
                     31:  * should get initialized with the BNET stuff and the ethernet driver. The 
                     32:  * number of interfaces supported should be communicated. Should include
                     33:  * mbuf.h, if.h, socket.h
                     34:  *
                     35:  * Author: R. C. Venkatraman
                     36:  * Date  : 2/29/88 
                     37:  */
                     38: 
                     39: typedef struct {
                     40:        unsigned char dst[6];
                     41:        unsigned char src[6];
                     42:        unsigned short len;
                     43: } enet_header_t;
                     44: 
                     45: typedef struct {
                     46:        unsigned char dst_sap;
                     47:        unsigned char src_sap;
                     48:        unsigned char control;
                     49:        unsigned char protocol[5];
                     50: } llc_header_t;
                     51: 
                     52: #define ENET_LLC_SIZE (sizeof(enet_header_t)+sizeof(llc_header_t))
                     53: #define SNAP_UI                0x03  /* bits 11000000 reversed!! */
                     54: #define SNAP_AT_SAP    0xaa
                     55: #define SNAP_PROTO_AT  {0x08, 0x00, 0x07, 0x80, 0x9B}
                     56: #define SNAP_PROTO_AARP        {0x00, 0x00, 0x00, 0x80, 0xF3}
                     57: #define SNAP_HDR_AT    {SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AT}
                     58: #define SNAP_HDR_AARP  {SNAP_AT_SAP, SNAP_AT_SAP, SNAP_UI, SNAP_PROTO_AARP}
                     59: 
                     60: #define LLC_PROTO_EQUAL(a1, a2)                                         \
                     61:         ((*((unsigned long *)(a1)) == *((unsigned long *)(a2))) &&      \
                     62:         (a1[4] == a2[4])                                               \
                     63:        )
                     64: #endif /* _NETAT_AT_PAT_H_ */

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