[mirror_ubuntu-bionic-kernel.git] / include / net / netns / hash.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_NS_HASH_H__
#define __NET_NS_HASH_H__

#include <asm/cache.h>

struct net;

static inline u32 net_hash_mix(const struct net *net)
{
#ifdef CONFIG_NET_NS
	/*
	 * shift this right to eliminate bits, that are
	 * always zeroed
	 */

	return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT);
#else
	return 0;
#endif
}
#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
0b441916 PE	2	#ifndef __NET_NS_HASH_H__
	3	#define __NET_NS_HASH_H__
	4
	5	#include <asm/cache.h>
	6
	7	struct net;
	8
6eada011	9	static inline u32 net_hash_mix(const struct net *net)
0b441916 PE	10	{
	11	#ifdef CONFIG_NET_NS
	12	/*
	13	* shift this right to eliminate bits, that are
	14	* always zeroed
	15	*/
	16
6eada011	17	return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT);
0b441916 PE	18	#else
	19	return 0;
	20	#endif
	21	}
	22	#endif