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