| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 22 | static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) |
| 23 | { |
| 24 | return (struct ethhdr *)skb_mac_header(skb); |
| 25 | } |
| 26 | |
| Olivier Deprez | 0e64123 | 2021-09-23 10:07:05 +0200 | [diff] [blame] | 27 | /* Prefer this version in TX path, instead of |
| 28 | * skb_reset_mac_header() + eth_hdr() |
| 29 | */ |
| 30 | static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb) |
| 31 | { |
| 32 | return (struct ethhdr *)skb->data; |
| 33 | } |
| 34 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 35 | static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb) |
| 36 | { |
| 37 | return (struct ethhdr *)skb_inner_mac_header(skb); |
| 38 | } |
| 39 | |
| 40 | int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); |
| 41 | |
| 42 | extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); |
| 43 | |
| 44 | #endif /* _LINUX_IF_ETHER_H */ |