| /* 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> |
| |
| 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 */ |
