mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
|
|
* 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 ARP (RFC 826) protocol.
|
|
*
|
|
* Version: @(#)if_arp.h 1.0.1 04/16/93
|
|
*
|
|
* Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
|
|
* Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source.
|
|
* Ross Biro
|
|
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
|
|
* Florian La Roche,
|
|
* Jonathan Layes <layes@loran.com>
|
|
* Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
#ifndef _LINUX_IF_ARP_H
|
|
#define _LINUX_IF_ARP_H
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <uapi/linux/if_arp.h>
|
|
|
|
static inline struct arphdr *arp_hdr(const struct sk_buff *skb)
|
|
{
|
|
return (struct arphdr *)skb_network_header(skb);
|
|
}
|
|
|
|
static inline int arp_hdr_len(struct net_device *dev)
|
|
{
|
|
/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
|
|
return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2;
|
|
}
|
|
#endif /* _LINUX_IF_ARP_H */
|