/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 */

#ifndef _VNIC_NIC_H_
#define _VNIC_NIC_H_

#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD      0xffUL
#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT           0
#define NIC_CFG_RSS_HASH_TYPE                   (0xffUL << 8)
#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD        0xffUL
#define NIC_CFG_RSS_HASH_TYPE_SHIFT             8
#define NIC_CFG_RSS_HASH_BITS                   (7UL << 16)
#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD        7UL
#define NIC_CFG_RSS_HASH_BITS_SHIFT             16
#define NIC_CFG_RSS_BASE_CPU                    (7UL << 19)
#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD         7UL
#define NIC_CFG_RSS_BASE_CPU_SHIFT              19
#define NIC_CFG_RSS_ENABLE                      (1UL << 22)
#define NIC_CFG_RSS_ENABLE_MASK_FIELD           1UL
#define NIC_CFG_RSS_ENABLE_SHIFT                22
#define NIC_CFG_TSO_IPID_SPLIT_EN               (1UL << 23)
#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD    1UL
#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT         23
#define NIC_CFG_IG_VLAN_STRIP_EN                (1UL << 24)
#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD     1UL
#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT          24

#define NIC_CFG_RSS_HASH_TYPE_UDP_IPV4          (1 << 0)
#define NIC_CFG_RSS_HASH_TYPE_IPV4              (1 << 1)
#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4          (1 << 2)
#define NIC_CFG_RSS_HASH_TYPE_IPV6              (1 << 3)
#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6          (1 << 4)
#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX           (1 << 5)
#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX       (1 << 6)
#define NIC_CFG_RSS_HASH_TYPE_UDP_IPV6          (1 << 7)

static inline void vnic_set_nic_cfg(u32 *nic_cfg,
        u8 rss_default_cpu, u8 rss_hash_type,
        u8 rss_hash_bits, u8 rss_base_cpu,
        u8 rss_enable, u8 tso_ipid_split_en,
        u8 ig_vlan_strip_en)
{
        *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
                ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
                        << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
                ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
                        << NIC_CFG_RSS_HASH_BITS_SHIFT) |
                ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
                        << NIC_CFG_RSS_BASE_CPU_SHIFT) |
                ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
                        << NIC_CFG_RSS_ENABLE_SHIFT) |
                ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
                        << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
                ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
                        << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
}

#endif /* _VNIC_NIC_H_ */