1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
4 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
5 */
6#ifndef _VNIC_NIC_H_
7#define _VNIC_NIC_H_
8
9/*
10 * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
11 * Driver) when both are built with CONFIG options =y
12 */
13#define vnic_set_nic_cfg fnic_set_nic_cfg
14
15#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD	0xffUL
16#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT		0
17#define NIC_CFG_RSS_HASH_TYPE			(0xffUL << 8)
18#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD	0xffUL
19#define NIC_CFG_RSS_HASH_TYPE_SHIFT		8
20#define NIC_CFG_RSS_HASH_BITS			(7UL << 16)
21#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD	7UL
22#define NIC_CFG_RSS_HASH_BITS_SHIFT		16
23#define NIC_CFG_RSS_BASE_CPU			(7UL << 19)
24#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD		7UL
25#define NIC_CFG_RSS_BASE_CPU_SHIFT		19
26#define NIC_CFG_RSS_ENABLE			(1UL << 22)
27#define NIC_CFG_RSS_ENABLE_MASK_FIELD		1UL
28#define NIC_CFG_RSS_ENABLE_SHIFT		22
29#define NIC_CFG_TSO_IPID_SPLIT_EN		(1UL << 23)
30#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD	1UL
31#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT		23
32#define NIC_CFG_IG_VLAN_STRIP_EN		(1UL << 24)
33#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD	1UL
34#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT		24
35
36static inline void vnic_set_nic_cfg(u32 *nic_cfg,
37	u8 rss_default_cpu, u8 rss_hash_type,
38	u8 rss_hash_bits, u8 rss_base_cpu,
39	u8 rss_enable, u8 tso_ipid_split_en,
40	u8 ig_vlan_strip_en)
41{
42	*nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
43		((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
44			<< NIC_CFG_RSS_HASH_TYPE_SHIFT) |
45		((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
46			<< NIC_CFG_RSS_HASH_BITS_SHIFT) |
47		((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
48			<< NIC_CFG_RSS_BASE_CPU_SHIFT) |
49		((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
50			<< NIC_CFG_RSS_ENABLE_SHIFT) |
51		((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
52			<< NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
53		((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
54			<< NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
55}
56
57#endif /* _VNIC_NIC_H_ */
58