1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * Copyright (c) 2013 Mellanox Technologies, Ltd.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	_LINUX_IF_ETHER_H_
32 #define	_LINUX_IF_ETHER_H_
33 
34 #include <linux/types.h>
35 
36 #include <net/ethernet.h>
37 
38 #define ETH_HLEN	ETHER_HDR_LEN   /* Total octets in header. */
39 #ifndef ETH_ALEN
40 #define ETH_ALEN	ETHER_ADDR_LEN
41 #endif
42 #define	ETH_FRAME_LEN	(ETHER_MAX_LEN - ETHER_CRC_LEN)
43 #define ETH_FCS_LEN     4		/* Octets in the FCS */
44 #define VLAN_HLEN       4		/* The additional bytes (on top of the Ethernet header)
45 					 * that VLAN requires. */
46 /*
47  * defined Ethernet Protocol ID's.
48  */
49 #define	ETH_P_ARP	ETHERTYPE_ARP
50 #define	ETH_P_IP	ETHERTYPE_IP
51 #define	ETH_P_IPV6	ETHERTYPE_IPV6
52 #define	ETH_P_MPLS_UC	ETHERTYPE_MPLS
53 #define	ETH_P_MPLS_MC	ETHERTYPE_MPLS_MCAST
54 #define	ETH_P_8021Q	ETHERTYPE_VLAN
55 #define	ETH_P_8021AD	ETHERTYPE_QINQ
56 #define	ETH_P_PAE	ETHERTYPE_PAE
57 #define	ETH_P_802_2	ETHERTYPE_8023
58 #define	ETH_P_LINK_CTL	0x886C		/* ITU-T G.989.2 */
59 #define	ETH_P_TDLS	0x890D		/* 802.11z-2010, see wpa. */
60 
61 struct ethhdr {
62 	uint8_t		h_dest[ETH_ALEN];
63 	uint8_t		h_source[ETH_ALEN];
64 	uint16_t	h_proto;
65 } __packed;
66 
67 #endif	/* _LINUX_IF_ETHER_H_ */
68