1/* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4 */
5
6#ifndef _VNIC_NIC_H_
7#define _VNIC_NIC_H_
8
9#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD	0xffUL
10#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT		0
11#define NIC_CFG_RSS_HASH_TYPE			(0xffUL << 8)
12#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD	0xffUL
13#define NIC_CFG_RSS_HASH_TYPE_SHIFT		8
14#define NIC_CFG_RSS_HASH_BITS			(7UL << 16)
15#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD	7UL
16#define NIC_CFG_RSS_HASH_BITS_SHIFT		16
17#define NIC_CFG_RSS_BASE_CPU			(7UL << 19)
18#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD		7UL
19#define NIC_CFG_RSS_BASE_CPU_SHIFT		19
20#define NIC_CFG_RSS_ENABLE			(1UL << 22)
21#define NIC_CFG_RSS_ENABLE_MASK_FIELD		1UL
22#define NIC_CFG_RSS_ENABLE_SHIFT		22
23#define NIC_CFG_TSO_IPID_SPLIT_EN		(1UL << 23)
24#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD	1UL
25#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT		23
26#define NIC_CFG_IG_VLAN_STRIP_EN		(1UL << 24)
27#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD	1UL
28#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT		24
29
30#define NIC_CFG_RSS_HASH_TYPE_UDP_IPV4		(1 << 0)
31#define NIC_CFG_RSS_HASH_TYPE_IPV4		(1 << 1)
32#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4		(1 << 2)
33#define NIC_CFG_RSS_HASH_TYPE_IPV6		(1 << 3)
34#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6		(1 << 4)
35#define NIC_CFG_RSS_HASH_TYPE_RSVD1		(1 << 5)
36#define NIC_CFG_RSS_HASH_TYPE_RSVD2		(1 << 6)
37#define NIC_CFG_RSS_HASH_TYPE_UDP_IPV6		(1 << 7)
38
39static inline void vnic_set_nic_cfg(u32 *nic_cfg,
40	u8 rss_default_cpu, u8 rss_hash_type,
41	u8 rss_hash_bits, u8 rss_base_cpu,
42	u8 rss_enable, u8 tso_ipid_split_en,
43	u8 ig_vlan_strip_en)
44{
45	*nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
46		((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
47		    << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
48		((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
49		    << NIC_CFG_RSS_HASH_BITS_SHIFT) |
50		((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
51		    << NIC_CFG_RSS_BASE_CPU_SHIFT) |
52		((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
53		    << NIC_CFG_RSS_ENABLE_SHIFT) |
54		((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
55		    << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
56		((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
57		    << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
58}
59
60#endif /* _VNIC_NIC_H_ */
61