ceph/src/dpdk/drivers/net/enic/base/vnic_nic.h

   1 /*
   2  * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  *
   5  * Copyright (c) 2014, Cisco Systems, Inc.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  * notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  * notice, this list of conditions and the following disclaimer in
  17  * the documentation and/or other materials provided with the
  18  * distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 #ifndef _VNIC_NIC_H_
  36 #define _VNIC_NIC_H_
  37
  38 #define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD      0xffUL
  39 #define NIC_CFG_RSS_DEFAULT_CPU_SHIFT           0
  40 #define NIC_CFG_RSS_HASH_TYPE                   (0xffUL << 8)
  41 #define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD        0xffUL
  42 #define NIC_CFG_RSS_HASH_TYPE_SHIFT             8
  43 #define NIC_CFG_RSS_HASH_BITS                   (7UL << 16)
  44 #define NIC_CFG_RSS_HASH_BITS_MASK_FIELD        7UL
  45 #define NIC_CFG_RSS_HASH_BITS_SHIFT             16
  46 #define NIC_CFG_RSS_BASE_CPU                    (7UL << 19)
  47 #define NIC_CFG_RSS_BASE_CPU_MASK_FIELD         7UL
  48 #define NIC_CFG_RSS_BASE_CPU_SHIFT              19
  49 #define NIC_CFG_RSS_ENABLE                      (1UL << 22)
  50 #define NIC_CFG_RSS_ENABLE_MASK_FIELD           1UL
  51 #define NIC_CFG_RSS_ENABLE_SHIFT                22
  52 #define NIC_CFG_TSO_IPID_SPLIT_EN               (1UL << 23)
  53 #define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD    1UL
  54 #define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT         23
  55 #define NIC_CFG_IG_VLAN_STRIP_EN                (1UL << 24)
  56 #define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD     1UL
  57 #define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT          24
  58
  59 #define NIC_CFG_RSS_HASH_TYPE_IPV4              (1 << 1)
  60 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4          (1 << 2)
  61 #define NIC_CFG_RSS_HASH_TYPE_IPV6              (1 << 3)
  62 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6          (1 << 4)
  63 #define NIC_CFG_RSS_HASH_TYPE_IPV6_EX           (1 << 5)
  64 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX       (1 << 6)
  65
  66 static inline void vnic_set_nic_cfg(u32 *nic_cfg,
  67         u8 rss_default_cpu, u8 rss_hash_type,
  68         u8 rss_hash_bits, u8 rss_base_cpu,
  69         u8 rss_enable, u8 tso_ipid_split_en,
  70         u8 ig_vlan_strip_en)
  71 {
  72         *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
  73                 ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
  74                         << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
  75                 ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
  76                         << NIC_CFG_RSS_HASH_BITS_SHIFT) |
  77                 ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
  78                         << NIC_CFG_RSS_BASE_CPU_SHIFT) |
  79                 ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
  80                         << NIC_CFG_RSS_ENABLE_SHIFT) |
  81                 ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
  82                         << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
  83                 ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
  84                         << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
  85 }
  86
  87 #endif /* _VNIC_NIC_H_ */