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[linux.git] / drivers / scsi / fnic / vnic_nic.h
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
36 static 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_ */
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