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/*-
* Copyright (c) 2010 Isilon Systems, Inc.
* Copyright (c) 2010 iX Systems, Inc.
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013 Mellanox Technologies, Ltd.
* All rights reserved.
* Copyright (c) 2021-2022 The FreeBSD Foundation
*
* Portions of this software were developed by Björn Zeeb
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUXKPI_LINUX_IF_ETHER_H_
#define _LINUXKPI_LINUX_IF_ETHER_H_
#include <linux/types.h>
#include <linux/skbuff.h>
#include <net/ethernet.h>
#define ETH_HLEN ETHER_HDR_LEN /* Total octets in header. */
#ifndef ETH_ALEN
#define ETH_ALEN ETHER_ADDR_LEN
#endif
#define ETH_FRAME_LEN (ETHER_MAX_LEN - ETHER_CRC_LEN)
#define ETH_FCS_LEN 4 /* Octets in the FCS */
#define VLAN_HLEN 4 /* The additional bytes (on top of the Ethernet header)
* that VLAN requires. */
/*
* defined Ethernet Protocol ID's.
*/
#define ETH_P_ARP ETHERTYPE_ARP
#define ETH_P_IP ETHERTYPE_IP
#define ETH_P_IPV6 ETHERTYPE_IPV6
#define ETH_P_MPLS_UC ETHERTYPE_MPLS
#define ETH_P_MPLS_MC ETHERTYPE_MPLS_MCAST
#define ETH_P_8021Q ETHERTYPE_VLAN
#define ETH_P_8021AD ETHERTYPE_QINQ
#define ETH_P_PAE ETHERTYPE_PAE
#define ETH_P_802_2 ETHERTYPE_8023
#define ETH_P_IPX ETHERTYPE_IPX
#define ETH_P_AARP ETHERTYPE_AARP
#define ETH_P_802_3_MIN 0x05DD /* See comment in sys/net/ethernet.h */
#define ETH_P_LINK_CTL 0x886C /* ITU-T G.989.2 */
#define ETH_P_TDLS 0x890D /* 802.11z-2010, see wpa. */
struct ethhdr {
uint8_t h_dest[ETH_ALEN];
uint8_t h_source[ETH_ALEN];
uint16_t h_proto;
} __packed;
static inline struct ethhdr *
eth_hdr(const struct sk_buff *skb)
{
struct ethhdr *hdr;
hdr = (struct ethhdr *)skb_mac_header(skb);
return (hdr);
}
#endif /* _LINUXKPI_LINUX_IF_ETHER_H_ */
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