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* Copyright (c) 2010 Broadcom Corporation
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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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* 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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#ifndef _NET_ETHERNET_H_
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#define _NET_ETHERNET_H_
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#include <linux/if_ether.h>
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#include <packed_section_start.h>
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#define ETHER_TYPE_LEN 2
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#define ETHER_CRC_LEN 4
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#define ETHER_MIN_LEN 64
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#define ETHER_MIN_DATA 46
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#define ETHER_MAX_LEN 1518
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#define ETHER_MAX_DATA 1500
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#define ETHER_TYPE_BRCM 0x886c
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#define ETHER_DEST_OFFSET (0 * ETH_ALEN)
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#define ETHER_SRC_OFFSET (1 * ETH_ALEN)
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#define ETHER_TYPE_OFFSET (2 * ETH_ALEN)
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#define ETHER_IS_VALID_LEN(foo) \
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((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
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#define ETHER_FILL_MCAST_ADDR_FROM_IP(ea, mgrp_ip) { \
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((u8 *)ea)[0] = 0x01; \
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((u8 *)ea)[1] = 0x00; \
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((u8 *)ea)[2] = 0x5e; \
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((u8 *)ea)[3] = ((mgrp_ip) >> 16) & 0x7f; \
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((u8 *)ea)[4] = ((mgrp_ip) >> 8) & 0xff; \
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((u8 *)ea)[5] = ((mgrp_ip) >> 0) & 0xff; \
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BWL_PRE_PACKED_STRUCT struct ether_header {
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u8 ether_dhost[ETH_ALEN];
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u8 ether_shost[ETH_ALEN];
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} BWL_POST_PACKED_STRUCT;
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BWL_PRE_PACKED_STRUCT struct ether_addr {
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} BWL_POST_PACKED_STRUCT;
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#define ETHER_SET_UNICAST(ea) (((u8 *)(ea))[0] = (((u8 *)(ea))[0] & ~1))
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static const struct ether_addr ether_bcast = { {255, 255, 255, 255, 255, 255} };
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#define ETHER_MOVE_HDR(d, s) \
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struct ether_header t; \
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t = *(struct ether_header *)(s); \
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*(struct ether_header *)(d) = t; \
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#include <packed_section_end.h>
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#endif /* _NET_ETHERNET_H_ */