cisco/enic/vnic_nic.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
0004  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
0005  */
0006
0007 #ifndef _VNIC_NIC_H_
0008 #define _VNIC_NIC_H_
0009
0010 #define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD  0xffUL
0011 #define NIC_CFG_RSS_DEFAULT_CPU_SHIFT       0
0012 #define NIC_CFG_RSS_HASH_TYPE           (0xffUL << 8)
0013 #define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD    0xffUL
0014 #define NIC_CFG_RSS_HASH_TYPE_SHIFT     8
0015 #define NIC_CFG_RSS_HASH_BITS           (7UL << 16)
0016 #define NIC_CFG_RSS_HASH_BITS_MASK_FIELD    7UL
0017 #define NIC_CFG_RSS_HASH_BITS_SHIFT     16
0018 #define NIC_CFG_RSS_BASE_CPU            (7UL << 19)
0019 #define NIC_CFG_RSS_BASE_CPU_MASK_FIELD     7UL
0020 #define NIC_CFG_RSS_BASE_CPU_SHIFT      19
0021 #define NIC_CFG_RSS_ENABLE          (1UL << 22)
0022 #define NIC_CFG_RSS_ENABLE_MASK_FIELD       1UL
0023 #define NIC_CFG_RSS_ENABLE_SHIFT        22
0024 #define NIC_CFG_TSO_IPID_SPLIT_EN       (1UL << 23)
0025 #define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD    1UL
0026 #define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT     23
0027 #define NIC_CFG_IG_VLAN_STRIP_EN        (1UL << 24)
0028 #define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL
0029 #define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT      24
0030
0031 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV4      (1 << 0)
0032 #define NIC_CFG_RSS_HASH_TYPE_IPV4      (1 << 1)
0033 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4      (1 << 2)
0034 #define NIC_CFG_RSS_HASH_TYPE_IPV6      (1 << 3)
0035 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6      (1 << 4)
0036 #define NIC_CFG_RSS_HASH_TYPE_IPV6_EX       (1 << 5)
0037 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX   (1 << 6)
0038 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV6      (1 << 7)
0039
0040 static inline void vnic_set_nic_cfg(u32 *nic_cfg,
0041     u8 rss_default_cpu, u8 rss_hash_type,
0042     u8 rss_hash_bits, u8 rss_base_cpu,
0043     u8 rss_enable, u8 tso_ipid_split_en,
0044     u8 ig_vlan_strip_en)
0045 {
0046     *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
0047         ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
0048             << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
0049         ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
0050             << NIC_CFG_RSS_HASH_BITS_SHIFT) |
0051         ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
0052             << NIC_CFG_RSS_BASE_CPU_SHIFT) |
0053         ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
0054             << NIC_CFG_RSS_ENABLE_SHIFT) |
0055         ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
0056             << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
0057         ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
0058             << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
0059 }
0060
0061 #endif /* _VNIC_NIC_H_ */