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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/linux/if_ether.h
d433f5e292c9fb9ff3175120000cc8dd4e4f4f84
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
6 * Global definitions for the Ethernet IEEE 802.3 interface.
8 * Version: @(#)if_ether.h 1.0.1a 02/08/94
10 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
11 * Donald Becker, <becker@super.org>
12 * Alan Cox, <alan@lxorguk.ukuu.org.uk>
13 * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version.
20 #ifndef _LINUX_IF_ETHER_H
21 #define _LINUX_IF_ETHER_H
23 #include <linux/skbuff.h>
24 #include <uapi/linux/if_ether.h>
26 static inline struct ethhdr
*eth_hdr(const struct sk_buff
*skb
)
28 return (struct ethhdr
*)skb_mac_header(skb
);
31 /* Prefer this version in TX path, instead of
32 * skb_reset_mac_header() + eth_hdr()
34 static inline struct ethhdr
*skb_eth_hdr(const struct sk_buff
*skb
)
36 return (struct ethhdr
*)skb
->data
;
39 static inline struct ethhdr
*inner_eth_hdr(const struct sk_buff
*skb
)
41 return (struct ethhdr
*)skb_inner_mac_header(skb
);
44 int eth_header_parse(const struct sk_buff
*skb
, unsigned char *haddr
);
46 extern ssize_t
sysfs_format_mac(char *buf
, const unsigned char *addr
, int len
);
48 #endif /* _LINUX_IF_ETHER_H */