53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
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/*
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* Copyright (C) 1999-2015, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* Fundamental constants relating to 802.3
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*
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* $Id: 802.3.h 417943 2013-08-13 07:54:04Z $
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*/
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#ifndef _802_3_h_
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#define _802_3_h_
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/* This marks the start of a packed structure section. */
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#include <packed_section_start.h>
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#define SNAP_HDR_LEN 6 /* 802.3 SNAP header length */
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#define DOT3_OUI_LEN 3 /* 802.3 oui length */
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BWL_PRE_PACKED_STRUCT struct dot3_mac_llc_snap_header {
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uint8 ether_dhost[ETHER_ADDR_LEN]; /* dest mac */
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uint8 ether_shost[ETHER_ADDR_LEN]; /* src mac */
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uint16 length; /* frame length incl header */
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uint8 dsap; /* always 0xAA */
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uint8 ssap; /* always 0xAA */
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uint8 ctl; /* always 0x03 */
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uint8 oui[DOT3_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00
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* Bridge-Tunnel: 0x00 0x00 0xF8
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*/
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uint16 type; /* ethertype */
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} BWL_POST_PACKED_STRUCT;
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/* This marks the end of a packed structure section. */
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#include <packed_section_end.h>
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#endif /* #ifndef _802_3_h_ */
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