56 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*
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 * Fundamental constants relating to 802.3
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 *
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 * Copyright (C) 1999-2019, Broadcom.
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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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 *
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 * <<Broadcom-WL-IPTag/Open:>>
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 *
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 * $Id: 802.3.h 700076 2017-05-17 14:42:22Z $
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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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