47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* Copyright (C) 1999-2013, Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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 382882 2013-02-04 23:24:31Z $
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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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