if_ether.h (1295B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * INET An implementation of the TCP/IP protocol suite for the LINUX 4 * operating system. INET is implemented using the BSD Socket 5 * interface as the means of communication with the user level. 6 * 7 * Global definitions for the Ethernet IEEE 802.3 interface. 8 * 9 * Version: @(#)if_ether.h 1.0.1a 02/08/94 10 * 11 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 12 * Donald Becker, <becker@super.org> 13 * Alan Cox, <alan@lxorguk.ukuu.org.uk> 14 * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> 15 */ 16#ifndef _LINUX_IF_ETHER_H 17#define _LINUX_IF_ETHER_H 18 19#include <linux/skbuff.h> 20#include <uapi/linux/if_ether.h> 21 22static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) 23{ 24 return (struct ethhdr *)skb_mac_header(skb); 25} 26 27/* Prefer this version in TX path, instead of 28 * skb_reset_mac_header() + eth_hdr() 29 */ 30static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb) 31{ 32 return (struct ethhdr *)skb->data; 33} 34 35static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb) 36{ 37 return (struct ethhdr *)skb_inner_mac_header(skb); 38} 39 40int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); 41 42extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); 43 44#endif /* _LINUX_IF_ETHER_H */