1/*
2 *   BSD LICENSE
3 *
4 *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
5 *   All rights reserved.
6 *
7 *   Redistribution and use in source and binary forms, with or without
8 *   modification, are permitted provided that the following conditions
9 *   are met:
10 *
11 *     * Redistributions of source code must retain the above copyright
12 *       notice, this list of conditions and the following disclaimer.
13 *     * Redistributions in binary form must reproduce the above copyright
14 *       notice, this list of conditions and the following disclaimer in
15 *       the documentation and/or other materials provided with the
16 *       distribution.
17 *     * Neither the name of Cavium, Inc. nor the names of its
18 *       contributors may be used to endorse or promote products derived
19 *       from this software without specific prior written permission.
20 *
21 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33/*$FreeBSD$*/
34
35#ifndef __LIO_RSS_H__
36#define __LIO_RSS_H__
37
38#ifdef RSS
39
40#include <net/rss_config.h>
41#include <netinet/in_rss.h>
42
43#define LIO_RSS_TABLE_SZ	128
44#define LIO_RSS_KEY_SZ		40
45
46struct lio_rss_params {
47#define LIO_RSS_PARAM_SIZE	16
48	struct param {
49#if BYTE_ORDER == LITTLE_ENDIAN
50		uint64_t	flags:16;
51		uint64_t	hashinfo:32;
52		uint64_t	itablesize:16;
53
54		uint64_t	hashkeysize:16;
55		uint64_t	reserved:48;
56#elif BYTE_ORDER == BIG_ENDIAN
57		uint64_t	itablesize:16;
58		uint64_t	hashinfo:32;
59		uint64_t	flags:16;
60
61		uint64_t	reserved:48;
62		uint64_t	hashkeysize:16;
63#else
64#error Undefined BYTE_ORDER
65#endif
66	}	param;
67
68	uint8_t	itable[LIO_RSS_TABLE_SZ];
69	uint8_t	key[LIO_RSS_KEY_SZ];
70
71};
72
73struct lio_rss_params_set {
74	uint8_t		key[LIO_RSS_KEY_SZ];
75	uint8_t		fw_itable[LIO_RSS_TABLE_SZ];
76	uint64_t	hashinfo;
77
78};
79
80#endif	/* RSS */
81
82#define LIO_RSS_HASH_IPV4		0x100
83#define LIO_RSS_HASH_TCP_IPV4		0x200
84#define LIO_RSS_HASH_IPV6		0x400
85#define LIO_RSS_HASH_IPV6_EX		0x800
86#define LIO_RSS_HASH_TCP_IPV6		0x1000
87#define LIO_RSS_HASH_TCP_IPV6_EX	0x2000
88
89#endif	/* __LIO_RSS_H__ */
90