phonet: Protect if_phonet.h against multiple inclusions.

From: Remi Denis-Courmont <remi.denis-courmont@nokia.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Remi Denis-Courmont 2008-10-01 01:30:19 -07:00 committed by David S. Miller
parent a57334e95e
commit 6e50e8a213

View file

@ -5,14 +5,15 @@
*
* Copyright (C) 2008 Nokia Corporation. All rights reserved.
*/
#ifndef LINUX_IF_PHONET_H
#define LINUX_IF_PHONET_H
#define PHONET_HEADER_LEN 8 /* Phonet header length */
#define PHONET_MIN_MTU 6
/* 6 bytes header + 65535 bytes payload */
#define PHONET_MAX_MTU 65541
#define PHONET_MIN_MTU 6 /* pn_length = 0 */
#define PHONET_MAX_MTU 65541 /* pn_length = 0xffff */
#define PHONET_DEV_MTU PHONET_MAX_MTU
#ifdef __KERNEL__
extern struct header_ops phonet_header_ops;
#endif
#endif