linux - include/net/rps-types.h

24 lines · 548 B

1	/* SPDX-License-Identifier: GPL-2.0-or-later */
2	#ifndef _NET_RPS_TYPES_H
3	#define _NET_RPS_TYPES_H
4
5	/* Define a rps_tag_ptr:
6	* Low order 5 bits are used to store the ilog2(size) of an RPS table.
7	*/
8	typedef unsigned long rps_tag_ptr;
9
10	static inline u8 rps_tag_to_log(rps_tag_ptr tag_ptr)
11	{
12	return tag_ptr & 31U;
13	}
14
15	static inline u32 rps_tag_to_mask(rps_tag_ptr tag_ptr)
16	{
17	return (1U << rps_tag_to_log(tag_ptr)) - 1;
18	}
19
20	static inline void *rps_tag_to_table(rps_tag_ptr tag_ptr)
21	{
22	return (void *)(tag_ptr & ~31UL);
23	}
24	#endif /* _NET_RPS_TYPES_H */