drivers/net/enic/base/vnic_nic.h

   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
  39 static 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_ */