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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Global definitions for the Ethernet IEEE 802.3 interface.
*
* Version: @(#)if_ether.h 1.0.1a 02/08/94
*
* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Donald Becker, <becker@super.org>
* Alan Cox, <alan@lxorguk.ukuu.org.uk>
* Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
*/
#ifndef _LINUX_IF_ETHER_H
#define _LINUX_IF_ETHER_H
#include <linux/skbuff.h>
#include <uapi/linux/if_ether.h>
/* XX:XX:XX:XX:XX:XX */
#define MAC_ADDR_STR_LEN (3 * ETH_ALEN - 1)
static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
{
return (struct ethhdr *)skb_mac_header(skb);
}
/* Prefer this version in TX path, instead of
* skb_reset_mac_header() + eth_hdr()
*/
static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb)
{
return (struct ethhdr *)skb->data;
}
static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb)
{
return (struct ethhdr *)skb_inner_mac_header(skb);
}
int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
#endif /* _LINUX_IF_ETHER_H */
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