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
vnic_set_nic_cfg(uint32_t * nic_cfg,uint8_t rss_default_cpu,uint8_t rss_hash_type,uint8_t rss_hash_bits,uint8_t rss_base_cpu,uint8_t rss_enable,uint8_t tso_ipid_split_en,uint8_t ig_vlan_strip_en)39 static inline void vnic_set_nic_cfg(uint32_t *nic_cfg,
40 uint8_t rss_default_cpu, uint8_t rss_hash_type,
41 uint8_t rss_hash_bits, uint8_t rss_base_cpu,
42 uint8_t rss_enable, uint8_t tso_ipid_split_en,
43 uint8_t 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