1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
4 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 */
6
7 #ifndef _VNIC_NIC_H_
8 #define _VNIC_NIC_H_
9
10 #define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL
11 #define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0
12 #define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8)
13 #define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL
14 #define NIC_CFG_RSS_HASH_TYPE_SHIFT 8
15 #define NIC_CFG_RSS_HASH_BITS (7UL << 16)
16 #define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL
17 #define NIC_CFG_RSS_HASH_BITS_SHIFT 16
18 #define NIC_CFG_RSS_BASE_CPU (7UL << 19)
19 #define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL
20 #define NIC_CFG_RSS_BASE_CPU_SHIFT 19
21 #define NIC_CFG_RSS_ENABLE (1UL << 22)
22 #define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL
23 #define NIC_CFG_RSS_ENABLE_SHIFT 22
24 #define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23)
25 #define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL
26 #define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23
27 #define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24)
28 #define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL
29 #define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24
30
31 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV4 (1 << 0)
32 #define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 1)
33 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 2)
34 #define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 3)
35 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 4)
36 #define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 5)
37 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 6)
38 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV6 (1 << 7)
39
vnic_set_nic_cfg(u32 * nic_cfg,u8 rss_default_cpu,u8 rss_hash_type,u8 rss_hash_bits,u8 rss_base_cpu,u8 rss_enable,u8 tso_ipid_split_en,u8 ig_vlan_strip_en)40 static inline void vnic_set_nic_cfg(u32 *nic_cfg,
41 u8 rss_default_cpu, u8 rss_hash_type,
42 u8 rss_hash_bits, u8 rss_base_cpu,
43 u8 rss_enable, u8 tso_ipid_split_en,
44 u8 ig_vlan_strip_en)
45 {
46 *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
47 ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
48 << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
49 ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
50 << NIC_CFG_RSS_HASH_BITS_SHIFT) |
51 ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
52 << NIC_CFG_RSS_BASE_CPU_SHIFT) |
53 ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
54 << NIC_CFG_RSS_ENABLE_SHIFT) |
55 ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
56 << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
57 ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
58 << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
59 }
60
61 #endif /* _VNIC_NIC_H_ */
62