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_ */