projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 1da177e4 LT |
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> | |
| 113aa838 | 13 | * Alan Cox, <alan@lxorguk.ukuu.org.uk> |
| 1da177e4 | 14 | * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> |
| 1da177e4 | 15 | */ |
| 1da177e4 LT |
16 | #ifndef _LINUX_IF_ETHER_H |
| 17 | #define _LINUX_IF_ETHER_H | |
| 18 | ||
| 1da177e4 | 19 | #include <linux/skbuff.h> |
| 607ca46e | 20 | #include <uapi/linux/if_ether.h> |
| 1da177e4 LT |
21 | |
| 22 | static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) | |
| 23 | { | |
| 98e399f8 | 24 | return (struct ethhdr *)skb_mac_header(skb); |
| 1da177e4 | 25 | } |
| 20380731 | 26 | |
| 96cc4b69 ED |
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 | ||
| af67eb9e AD |
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 | ||
| 3b04ddde SH |
40 | int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); |
| 41 | ||
| 7ffc49a6 MC |
42 | extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); |
| 43 | ||
| 1da177e4 | 44 | #endif /* _LINUX_IF_ETHER_H */ |