/*
 * QLogic qlcnic NIC Driver
 * Copyright (c) 2009-2013 QLogic Corporation
 *
 * See LICENSE.qlcnic for copyright and licensing details.
 */

#ifndef _QLCNIC_H_
#define _QLCNIC_H_

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/in.h>
#include <linux/tcp.h>
#include <linux/skbuff.h>
#include <linux/firmware.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/timer.h>
#include <linux/irq.h>
#include <linux/vmalloc.h>
#include <linux/io.h>
#include <asm/byteorder.h>
#include <linux/bitops.h>
#include <linux/if_vlan.h>

#include "qlcnic_hdr.h"
#include "qlcnic_hw.h"
#include "qlcnic_83xx_hw.h"
#include "qlcnic_dcb.h"

#define _QLCNIC_LINUX_MAJOR 5
#define _QLCNIC_LINUX_MINOR 3
#define _QLCNIC_LINUX_SUBVERSION 66
#define QLCNIC_LINUX_VERSIONID  "5.3.66"
#define QLCNIC_DRV_IDC_VER  0x01
#define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
                 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))

#define QLCNIC_VERSION_CODE(a, b, c)    (((a) << 24) + ((b) << 16) + (c))
#define _major(v)       (((v) >> 24) & 0xff)
#define _minor(v)       (((v) >> 16) & 0xff)
#define _build(v)       ((v) & 0xffff)

/* version in image has weird encoding:
 *  7:0  - major
 * 15:8  - minor
 * 31:16 - build (little endian)
 */
#define QLCNIC_DECODE_VERSION(v) \
        QLCNIC_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))

#define QLCNIC_MIN_FW_VERSION     QLCNIC_VERSION_CODE(4, 4, 2)
#define QLCNIC_NUM_FLASH_SECTORS (64)
#define QLCNIC_FLASH_SECTOR_SIZE (64 * 1024)
#define QLCNIC_FLASH_TOTAL_SIZE  (QLCNIC_NUM_FLASH_SECTORS \
                                        * QLCNIC_FLASH_SECTOR_SIZE)

#define RCV_DESC_RINGSIZE(rds_ring)     \
        (sizeof(struct rcv_desc) * (rds_ring)->num_desc)
#define RCV_BUFF_RINGSIZE(rds_ring)     \
        (sizeof(struct qlcnic_rx_buffer) * rds_ring->num_desc)
#define STATUS_DESC_RINGSIZE(sds_ring)  \
        (sizeof(struct status_desc) * (sds_ring)->num_desc)
#define TX_BUFF_RINGSIZE(tx_ring)       \
        (sizeof(struct qlcnic_cmd_buffer) * tx_ring->num_desc)
#define TX_DESC_RINGSIZE(tx_ring)       \
        (sizeof(struct cmd_desc_type0) * tx_ring->num_desc)

#define QLCNIC_P3P_A0           0x50
#define QLCNIC_P3P_C0           0x58

#define QLCNIC_IS_REVISION_P3P(REVISION)     (REVISION >= QLCNIC_P3P_A0)

#define FIRST_PAGE_GROUP_START  0
#define FIRST_PAGE_GROUP_END    0x100000

#define P3P_MAX_MTU                     (9600)
#define P3P_MIN_MTU                     (68)
#define QLCNIC_MAX_ETHERHDR                32 /* This contains some padding */

#define QLCNIC_P3P_RX_BUF_MAX_LEN         (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN)
#define QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN   (QLCNIC_MAX_ETHERHDR + P3P_MAX_MTU)
#define QLCNIC_CT_DEFAULT_RX_BUF_LEN    2048
#define QLCNIC_LRO_BUFFER_EXTRA         2048

/* Tx defines */
#define QLCNIC_MAX_FRAGS_PER_TX 14
#define MAX_TSO_HEADER_DESC     2
#define MGMT_CMD_DESC_RESV      4
#define TX_STOP_THRESH          ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
                                                        + MGMT_CMD_DESC_RESV)
#define QLCNIC_MAX_TX_TIMEOUTS  2

/* Driver will use 1 Tx ring in INT-x/MSI/SRIOV mode. */
#define QLCNIC_SINGLE_RING              1
#define QLCNIC_DEF_SDS_RINGS            4
#define QLCNIC_DEF_TX_RINGS             4
#define QLCNIC_MAX_VNIC_TX_RINGS        4
#define QLCNIC_MAX_VNIC_SDS_RINGS       4
#define QLCNIC_83XX_MINIMUM_VECTOR      3
#define QLCNIC_82XX_MINIMUM_VECTOR      2

enum qlcnic_queue_type {
        QLCNIC_TX_QUEUE = 1,
        QLCNIC_RX_QUEUE,
};

/* Operational mode for driver */
#define QLCNIC_VNIC_MODE        0xFF
#define QLCNIC_DEFAULT_MODE     0x0

/* Virtual NIC function count */
#define QLC_DEFAULT_VNIC_COUNT  8
#define QLC_84XX_VNIC_COUNT     16

/*
 * Following are the states of the Phantom. Phantom will set them and
 * Host will read to check if the fields are correct.
 */
#define PHAN_INITIALIZE_FAILED          0xffff
#define PHAN_INITIALIZE_COMPLETE        0xff01

/* Host writes the following to notify that it has done the init-handshake */
#define PHAN_INITIALIZE_ACK             0xf00f
#define PHAN_PEG_RCV_INITIALIZED        0xff01

#define NUM_RCV_DESC_RINGS      3

#define RCV_RING_NORMAL 0
#define RCV_RING_JUMBO  1

#define MIN_CMD_DESCRIPTORS             64
#define MIN_RCV_DESCRIPTORS             64
#define MIN_JUMBO_DESCRIPTORS           32

#define MAX_CMD_DESCRIPTORS             1024
#define MAX_RCV_DESCRIPTORS_1G          4096
#define MAX_RCV_DESCRIPTORS_10G         8192
#define MAX_RCV_DESCRIPTORS_VF          2048
#define MAX_JUMBO_RCV_DESCRIPTORS_1G    512
#define MAX_JUMBO_RCV_DESCRIPTORS_10G   1024

#define DEFAULT_RCV_DESCRIPTORS_1G      2048
#define DEFAULT_RCV_DESCRIPTORS_10G     4096
#define DEFAULT_RCV_DESCRIPTORS_VF      1024
#define MAX_RDS_RINGS                   2

#define get_next_index(index, length)   \
        (((index) + 1) & ((length) - 1))

/*
 * Following data structures describe the descriptors that will be used.
 * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
 * we are doing LSO (above the 1500 size packet) only.
 */
struct cmd_desc_type0 {
        u8 tcp_hdr_offset;      /* For LSO only */
        u8 ip_hdr_offset;       /* For LSO only */
        __le16 flags_opcode;    /* 15:13 unused, 12:7 opcode, 6:0 flags */
        __le32 nfrags__length;  /* 31:8 total len, 7:0 frag count */

        __le64 addr_buffer2;

        __le16 encap_descr;     /* 15:10 offset of outer L3 header,
                                 * 9:6 number of 32bit words in outer L3 header,
                                 * 5 offload outer L4 checksum,
                                 * 4 offload outer L3 checksum,
                                 * 3 Inner L4 type, TCP=0, UDP=1,
                                 * 2 Inner L3 type, IPv4=0, IPv6=1,
                                 * 1 Outer L3 type,IPv4=0, IPv6=1,
                                 * 0 type of encapsulation, GRE=0, VXLAN=1
                                 */
        __le16 mss;
        u8 port_ctxid;          /* 7:4 ctxid 3:0 port */
        u8 hdr_length;          /* LSO only : MAC+IP+TCP Hdr size */
        u8 outer_hdr_length;    /* Encapsulation only */
        u8 rsvd1;

        __le64 addr_buffer3;
        __le64 addr_buffer1;

        __le16 buffer_length[4];

        __le64 addr_buffer4;

        u8 eth_addr[ETH_ALEN];
        __le16 vlan_TCI;        /* In case of  encapsulation,
                                 * this is for outer VLAN
                                 */

} __attribute__ ((aligned(64)));

/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
struct rcv_desc {
        __le16 reference_handle;
        __le16 reserved;
        __le32 buffer_length;   /* allocated buffer length (usually 2K) */
        __le64 addr_buffer;
} __packed;

struct status_desc {
        __le64 status_desc_data[2];
} __attribute__ ((aligned(16)));

/* UNIFIED ROMIMAGE */
#define QLCNIC_UNI_FW_MIN_SIZE          0xc8000
#define QLCNIC_UNI_DIR_SECT_PRODUCT_TBL 0x0
#define QLCNIC_UNI_DIR_SECT_BOOTLD      0x6
#define QLCNIC_UNI_DIR_SECT_FW          0x7

/*Offsets */
#define QLCNIC_UNI_CHIP_REV_OFF         10
#define QLCNIC_UNI_FLAGS_OFF            11
#define QLCNIC_UNI_BIOS_VERSION_OFF     12
#define QLCNIC_UNI_BOOTLD_IDX_OFF       27
#define QLCNIC_UNI_FIRMWARE_IDX_OFF     29

struct uni_table_desc{
        __le32  findex;
        __le32  num_entries;
        __le32  entry_size;
        __le32  reserved[5];
};

struct uni_data_desc{
        __le32  findex;
        __le32  size;
        __le32  reserved[5];
};

/* Flash Defines and Structures */
#define QLCNIC_FLT_LOCATION     0x3F1000
#define QLCNIC_FDT_LOCATION     0x3F0000
#define QLCNIC_B0_FW_IMAGE_REGION 0x74
#define QLCNIC_C0_FW_IMAGE_REGION 0x97
#define QLCNIC_BOOTLD_REGION    0X72
struct qlcnic_flt_header {
        u16 version;
        u16 len;
        u16 checksum;
        u16 reserved;
};

struct qlcnic_flt_entry {
        u8 region;
        u8 reserved0;
        u8 attrib;
        u8 reserved1;
        u32 size;
        u32 start_addr;
        u32 end_addr;
};

/* Flash Descriptor Table */
struct qlcnic_fdt {
        u32     valid;
        u16     ver;
        u16     len;
        u16     cksum;
        u16     unused;
        u8      model[16];
        u8      mfg_id;
        u16     id;
        u8      flag;
        u8      erase_cmd;
        u8      alt_erase_cmd;
        u8      write_enable_cmd;
        u8      write_enable_bits;
        u8      write_statusreg_cmd;
        u8      unprotected_sec_cmd;
        u8      read_manuf_cmd;
        u32     block_size;
        u32     alt_block_size;
        u32     flash_size;
        u32     write_enable_data;
        u8      readid_addr_len;
        u8      write_disable_bits;
        u8      read_dev_id_len;
        u8      chip_erase_cmd;
        u16     read_timeo;
        u8      protected_sec_cmd;
        u8      resvd[65];
};
/* Magic number to let user know flash is programmed */
#define QLCNIC_BDINFO_MAGIC 0x12345678

#define QLCNIC_BRDTYPE_P3P_REF_QG       0x0021
#define QLCNIC_BRDTYPE_P3P_HMEZ         0x0022
#define QLCNIC_BRDTYPE_P3P_10G_CX4_LP   0x0023
#define QLCNIC_BRDTYPE_P3P_4_GB         0x0024
#define QLCNIC_BRDTYPE_P3P_IMEZ         0x0025
#define QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS 0x0026
#define QLCNIC_BRDTYPE_P3P_10000_BASE_T 0x0027
#define QLCNIC_BRDTYPE_P3P_XG_LOM       0x0028
#define QLCNIC_BRDTYPE_P3P_4_GB_MM      0x0029
#define QLCNIC_BRDTYPE_P3P_10G_SFP_CT   0x002a
#define QLCNIC_BRDTYPE_P3P_10G_SFP_QT   0x002b
#define QLCNIC_BRDTYPE_P3P_10G_CX4      0x0031
#define QLCNIC_BRDTYPE_P3P_10G_XFP      0x0032
#define QLCNIC_BRDTYPE_P3P_10G_TP       0x0080

#define QLCNIC_MSIX_TABLE_OFFSET        0x44

/* Flash memory map */
#define QLCNIC_BRDCFG_START     0x4000          /* board config */
#define QLCNIC_BOOTLD_START     0x10000         /* bootld */
#define QLCNIC_IMAGE_START      0x43000         /* compressed image */
#define QLCNIC_USER_START       0x3E8000        /* Firmware info */

#define QLCNIC_FW_VERSION_OFFSET        (QLCNIC_USER_START+0x408)
#define QLCNIC_FW_SIZE_OFFSET           (QLCNIC_USER_START+0x40c)
#define QLCNIC_FW_SERIAL_NUM_OFFSET     (QLCNIC_USER_START+0x81c)
#define QLCNIC_BIOS_VERSION_OFFSET      (QLCNIC_USER_START+0x83c)

#define QLCNIC_BRDTYPE_OFFSET           (QLCNIC_BRDCFG_START+0x8)
#define QLCNIC_FW_MAGIC_OFFSET          (QLCNIC_BRDCFG_START+0x128)

#define QLCNIC_FW_MIN_SIZE              (0x3fffff)
#define QLCNIC_UNIFIED_ROMIMAGE         0
#define QLCNIC_FLASH_ROMIMAGE           1
#define QLCNIC_UNKNOWN_ROMIMAGE         0xff

#define QLCNIC_UNIFIED_ROMIMAGE_NAME    "phanfw.bin"
#define QLCNIC_FLASH_ROMIMAGE_NAME      "flash"

extern char qlcnic_driver_name[];

extern int qlcnic_use_msi;
extern int qlcnic_use_msi_x;
extern int qlcnic_auto_fw_reset;
extern int qlcnic_load_fw_file;

/* Number of status descriptors to handle per interrupt */
#define MAX_STATUS_HANDLE       (64)

/*
 * qlcnic_skb_frag{} is to contain mapping info for each SG list. This
 * has to be freed when DMA is complete. This is part of qlcnic_tx_buffer{}.
 */
struct qlcnic_skb_frag {
        u64 dma;
        u64 length;
};

/*    Following defines are for the state of the buffers    */
#define QLCNIC_BUFFER_FREE      0
#define QLCNIC_BUFFER_BUSY      1

/*
 * There will be one qlcnic_buffer per skb packet.    These will be
 * used to save the dma info for pci_unmap_page()
 */
struct qlcnic_cmd_buffer {
        struct sk_buff *skb;
        struct qlcnic_skb_frag frag_array[MAX_SKB_FRAGS + 1];
        u32 frag_count;
};

/* In rx_buffer, we do not need multiple fragments as is a single buffer */
struct qlcnic_rx_buffer {
        u16 ref_handle;
        struct sk_buff *skb;
        struct list_head list;
        u64 dma;
};

/* Board types */
#define QLCNIC_GBE      0x01
#define QLCNIC_XGBE     0x02

/*
 * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
 * adjusted based on configured MTU.
 */
#define QLCNIC_INTR_COAL_TYPE_RX                1
#define QLCNIC_INTR_COAL_TYPE_TX                2
#define QLCNIC_INTR_COAL_TYPE_RX_TX             3

#define QLCNIC_DEF_INTR_COALESCE_RX_TIME_US     3
#define QLCNIC_DEF_INTR_COALESCE_RX_PACKETS     256

#define QLCNIC_DEF_INTR_COALESCE_TX_TIME_US     64
#define QLCNIC_DEF_INTR_COALESCE_TX_PACKETS     64

#define QLCNIC_INTR_DEFAULT                     0x04
#define QLCNIC_CONFIG_INTR_COALESCE             3
#define QLCNIC_DEV_INFO_SIZE                    2

struct qlcnic_nic_intr_coalesce {
        u8      type;
        u8      sts_ring_mask;
        u16     rx_packets;
        u16     rx_time_us;
        u16     tx_packets;
        u16     tx_time_us;
        u16     flag;
        u32     timer_out;
};

struct qlcnic_83xx_dump_template_hdr {
        u32     type;
        u32     offset;
        u32     size;
        u32     cap_mask;
        u32     num_entries;
        u32     version;
        u32     timestamp;
        u32     checksum;
        u32     drv_cap_mask;
        u32     sys_info[3];
        u32     saved_state[16];
        u32     cap_sizes[8];
        u32     ocm_wnd_reg[16];
        u32     rsvd[0];
};

struct qlcnic_82xx_dump_template_hdr {
        u32     type;
        u32     offset;
        u32     size;
        u32     cap_mask;
        u32     num_entries;
        u32     version;
        u32     timestamp;
        u32     checksum;
        u32     drv_cap_mask;
        u32     sys_info[3];
        u32     saved_state[16];
        u32     cap_sizes[8];
        u32     rsvd[7];
        u32     capabilities;
        u32     rsvd1[0];
};

#define QLC_PEX_DMA_READ_SIZE   (PAGE_SIZE * 16)

struct qlcnic_fw_dump {
        u8      clr;    /* flag to indicate if dump is cleared */
        bool    enable; /* enable/disable dump */
        u32     size;   /* total size of the dump */
        u32     cap_mask; /* Current capture mask */
        void    *data;  /* dump data area */
        void    *tmpl_hdr;
        dma_addr_t phys_addr;
        void    *dma_buffer;
        bool    use_pex_dma;
        /* Read only elements which are common between 82xx and 83xx
         * template header. Update these values immediately after we read
         * template header from Firmware
         */
        u32     tmpl_hdr_size;
        u32     version;
        u32     num_entries;
        u32     offset;
};

/*
 * One hardware_context{} per adapter
 * contains interrupt info as well shared hardware info.
 */
struct qlcnic_hardware_context {
        void __iomem *pci_base0;
        void __iomem *ocm_win_crb;

        unsigned long pci_len0;

        rwlock_t crb_lock;
        struct mutex mem_lock;

        u8 revision_id;
        u8 pci_func;
        u8 linkup;
        u8 loopback_state;
        u8 beacon_state;
        u8 has_link_events;
        u8 fw_type;
        u8 physical_port;
        u8 reset_context;
        u8 msix_supported;
        u8 max_mac_filters;
        u8 mc_enabled;
        u8 max_mc_count;
        u8 diag_test;
        u8 num_msix;
        u8 nic_mode;
        int diag_cnt;

        u16 max_uc_count;
        u16 port_type;
        u16 board_type;
        u16 supported_type;

        u32 link_speed;
        u16 link_duplex;
        u16 link_autoneg;
        u16 module_type;

        u16 op_mode;
        u16 switch_mode;
        u16 max_tx_ques;
        u16 max_rx_ques;
        u16 max_mtu;
        u32 msg_enable;
        u16 total_nic_func;
        u16 max_pci_func;
        u32 max_vnic_func;
        u32 total_pci_func;

        u32 capabilities;
        u32 extra_capability[3];
        u32 temp;
        u32 int_vec_bit;
        u32 fw_hal_version;
        u32 port_config;
        struct qlcnic_hardware_ops *hw_ops;
        struct qlcnic_nic_intr_coalesce coal;
        struct qlcnic_fw_dump fw_dump;
        struct qlcnic_fdt fdt;
        struct qlc_83xx_reset reset;
        struct qlc_83xx_idc idc;
        struct qlc_83xx_fw_info *fw_info;
        struct qlcnic_intrpt_config *intr_tbl;
        struct qlcnic_sriov *sriov;
        u32 *reg_tbl;
        u32 *ext_reg_tbl;
        u32 mbox_aen[QLC_83XX_MBX_AEN_CNT];
        u32 mbox_reg[4];
        struct qlcnic_mailbox *mailbox;
        u8 extend_lb_time;
        u8 phys_port_id[ETH_ALEN];
        u8 lb_mode;
        u8 vxlan_port_count;
        u16 vxlan_port;
        struct device *hwmon_dev;
        u32 post_mode;
        bool run_post;
};

struct qlcnic_adapter_stats {
        u64  xmitcalled;
        u64  xmitfinished;
        u64  rxdropped;
        u64  txdropped;
        u64  csummed;
        u64  rx_pkts;
        u64  lro_pkts;
        u64  rxbytes;
        u64  txbytes;
        u64  lrobytes;
        u64  lso_frames;
        u64  encap_lso_frames;
        u64  encap_tx_csummed;
        u64  encap_rx_csummed;
        u64  xmit_on;
        u64  xmit_off;
        u64  skb_alloc_failure;
        u64  null_rxbuf;
        u64  rx_dma_map_error;
        u64  tx_dma_map_error;
        u64  spurious_intr;
        u64  mac_filter_limit_overrun;
        u64  mbx_spurious_intr;
};

/*
 * Rcv Descriptor Context. One such per Rcv Descriptor. There may
 * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
 */
struct qlcnic_host_rds_ring {
        void __iomem *crb_rcv_producer;
        struct rcv_desc *desc_head;
        struct qlcnic_rx_buffer *rx_buf_arr;
        u32 num_desc;
        u32 producer;
        u32 dma_size;
        u32 skb_size;
        u32 flags;
        struct list_head free_list;
        spinlock_t lock;
        dma_addr_t phys_addr;
} ____cacheline_internodealigned_in_smp;

struct qlcnic_host_sds_ring {
        u32 consumer;
        u32 num_desc;
        void __iomem *crb_sts_consumer;

        struct qlcnic_host_tx_ring *tx_ring;
        struct status_desc *desc_head;
        struct qlcnic_adapter *adapter;
        struct napi_struct napi;
        struct list_head free_list[NUM_RCV_DESC_RINGS];

        void __iomem *crb_intr_mask;
        int irq;

        dma_addr_t phys_addr;
        char name[IFNAMSIZ + 12];
} ____cacheline_internodealigned_in_smp;

struct qlcnic_tx_queue_stats {
        u64 xmit_on;
        u64 xmit_off;
        u64 xmit_called;
        u64 xmit_finished;
        u64 tx_bytes;
};

struct qlcnic_host_tx_ring {
        int irq;
        void __iomem *crb_intr_mask;
        char name[IFNAMSIZ + 12];
        u16 ctx_id;

        u32 state;
        u32 producer;
        u32 sw_consumer;
        u32 num_desc;

        struct qlcnic_tx_queue_stats tx_stats;

        void __iomem *crb_cmd_producer;
        struct cmd_desc_type0 *desc_head;
        struct qlcnic_adapter *adapter;
        struct napi_struct napi;
        struct qlcnic_cmd_buffer *cmd_buf_arr;
        __le32 *hw_consumer;

        dma_addr_t phys_addr;
        dma_addr_t hw_cons_phys_addr;
        struct netdev_queue *txq;
        /* Lock to protect Tx descriptors cleanup */
        spinlock_t tx_clean_lock;
} ____cacheline_internodealigned_in_smp;

/*
 * Receive context. There is one such structure per instance of the
 * receive processing. Any state information that is relevant to
 * the receive, and is must be in this structure. The global data may be
 * present elsewhere.
 */
struct qlcnic_recv_context {
        struct qlcnic_host_rds_ring *rds_rings;
        struct qlcnic_host_sds_ring *sds_rings;
        u32 state;
        u16 context_id;
        u16 virt_port;
};

/* HW context creation */

#define QLCNIC_OS_CRB_RETRY_COUNT       4000

#define QLCNIC_CDRP_CMD_BIT             0x80000000

/*
 * All responses must have the QLCNIC_CDRP_CMD_BIT cleared
 * in the crb QLCNIC_CDRP_CRB_OFFSET.
 */
#define QLCNIC_CDRP_FORM_RSP(rsp)       (rsp)
#define QLCNIC_CDRP_IS_RSP(rsp) (((rsp) & QLCNIC_CDRP_CMD_BIT) == 0)

#define QLCNIC_CDRP_RSP_OK              0x00000001
#define QLCNIC_CDRP_RSP_FAIL            0x00000002
#define QLCNIC_CDRP_RSP_TIMEOUT         0x00000003

/*
 * All commands must have the QLCNIC_CDRP_CMD_BIT set in
 * the crb QLCNIC_CDRP_CRB_OFFSET.
 */
#define QLCNIC_CDRP_FORM_CMD(cmd)       (QLCNIC_CDRP_CMD_BIT | (cmd))

#define QLCNIC_RCODE_SUCCESS            0
#define QLCNIC_RCODE_INVALID_ARGS       6
#define QLCNIC_RCODE_NOT_SUPPORTED      9
#define QLCNIC_RCODE_NOT_PERMITTED      10
#define QLCNIC_RCODE_NOT_IMPL           15
#define QLCNIC_RCODE_INVALID            16
#define QLCNIC_RCODE_TIMEOUT            17
#define QLCNIC_DESTROY_CTX_RESET        0

/*
 * Capabilities Announced
 */
#define QLCNIC_CAP0_LEGACY_CONTEXT      (1)
#define QLCNIC_CAP0_LEGACY_MN           (1 << 2)
#define QLCNIC_CAP0_LSO                 (1 << 6)
#define QLCNIC_CAP0_JUMBO_CONTIGUOUS    (1 << 7)
#define QLCNIC_CAP0_LRO_CONTIGUOUS      (1 << 8)
#define QLCNIC_CAP0_VALIDOFF            (1 << 11)
#define QLCNIC_CAP0_LRO_MSS             (1 << 21)
#define QLCNIC_CAP0_TX_MULTI            (1 << 22)

/*
 * Context state
 */
#define QLCNIC_HOST_CTX_STATE_FREED     0
#define QLCNIC_HOST_CTX_STATE_ACTIVE    2

/*
 * Rx context
 */

struct qlcnic_hostrq_sds_ring {
        __le64 host_phys_addr;  /* Ring base addr */
        __le32 ring_size;               /* Ring entries */
        __le16 msi_index;
        __le16 rsvd;            /* Padding */
} __packed;

struct qlcnic_hostrq_rds_ring {
        __le64 host_phys_addr;  /* Ring base addr */
        __le64 buff_size;               /* Packet buffer size */
        __le32 ring_size;               /* Ring entries */
        __le32 ring_kind;               /* Class of ring */
} __packed;

struct qlcnic_hostrq_rx_ctx {
        __le64 host_rsp_dma_addr;       /* Response dma'd here */
        __le32 capabilities[4];         /* Flag bit vector */
        __le32 host_int_crb_mode;       /* Interrupt crb usage */
        __le32 host_rds_crb_mode;       /* RDS crb usage */
        /* These ring offsets are relative to data[0] below */
        __le32 rds_ring_offset; /* Offset to RDS config */
        __le32 sds_ring_offset; /* Offset to SDS config */
        __le16 num_rds_rings;   /* Count of RDS rings */
        __le16 num_sds_rings;   /* Count of SDS rings */
        __le16 valid_field_offset;
        u8  txrx_sds_binding;
        u8  msix_handler;
        u8  reserved[128];      /* reserve space for future expansion*/
        /* MUST BE 64-bit aligned.
           The following is packed:
           - N hostrq_rds_rings
           - N hostrq_sds_rings */
        char data[0];
} __packed;

struct qlcnic_cardrsp_rds_ring{
        __le32 host_producer_crb;       /* Crb to use */
        __le32 rsvd1;           /* Padding */
} __packed;

struct qlcnic_cardrsp_sds_ring {
        __le32 host_consumer_crb;       /* Crb to use */
        __le32 interrupt_crb;   /* Crb to use */
} __packed;

struct qlcnic_cardrsp_rx_ctx {
        /* These ring offsets are relative to data[0] below */
        __le32 rds_ring_offset; /* Offset to RDS config */
        __le32 sds_ring_offset; /* Offset to SDS config */
        __le32 host_ctx_state;  /* Starting State */
        __le32 num_fn_per_port; /* How many PCI fn share the port */
        __le16 num_rds_rings;   /* Count of RDS rings */
        __le16 num_sds_rings;   /* Count of SDS rings */
        __le16 context_id;              /* Handle for context */
        u8  phys_port;          /* Physical id of port */
        u8  virt_port;          /* Virtual/Logical id of port */
        u8  reserved[128];      /* save space for future expansion */
        /*  MUST BE 64-bit aligned.
           The following is packed:
           - N cardrsp_rds_rings
           - N cardrs_sds_rings */
        char data[0];
} __packed;

#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)       \
        (sizeof(HOSTRQ_RX) +                                    \
        (rds_rings)*(sizeof(struct qlcnic_hostrq_rds_ring)) +           \
        (sds_rings)*(sizeof(struct qlcnic_hostrq_sds_ring)))

#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings)     \
        (sizeof(CARDRSP_RX) +                                   \
        (rds_rings)*(sizeof(struct qlcnic_cardrsp_rds_ring)) +          \
        (sds_rings)*(sizeof(struct qlcnic_cardrsp_sds_ring)))

/*
 * Tx context
 */

struct qlcnic_hostrq_cds_ring {
        __le64 host_phys_addr;  /* Ring base addr */
        __le32 ring_size;               /* Ring entries */
        __le32 rsvd;            /* Padding */
} __packed;

struct qlcnic_hostrq_tx_ctx {
        __le64 host_rsp_dma_addr;       /* Response dma'd here */
        __le64 cmd_cons_dma_addr;       /*  */
        __le64 dummy_dma_addr;  /*  */
        __le32 capabilities[4]; /* Flag bit vector */
        __le32 host_int_crb_mode;       /* Interrupt crb usage */
        __le32 rsvd1;           /* Padding */
        __le16 rsvd2;           /* Padding */
        __le16 interrupt_ctl;
        __le16 msi_index;
        __le16 rsvd3;           /* Padding */
        struct qlcnic_hostrq_cds_ring cds_ring; /* Desc of cds ring */
        u8  reserved[128];      /* future expansion */
} __packed;

struct qlcnic_cardrsp_cds_ring {
        __le32 host_producer_crb;       /* Crb to use */
        __le32 interrupt_crb;   /* Crb to use */
} __packed;

struct qlcnic_cardrsp_tx_ctx {
        __le32 host_ctx_state;  /* Starting state */
        __le16 context_id;              /* Handle for context */
        u8  phys_port;          /* Physical id of port */
        u8  virt_port;          /* Virtual/Logical id of port */
        struct qlcnic_cardrsp_cds_ring cds_ring;        /* Card cds settings */
        u8  reserved[128];      /* future expansion */
} __packed;

#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)     (sizeof(HOSTRQ_TX))
#define SIZEOF_CARDRSP_TX(CARDRSP_TX)   (sizeof(CARDRSP_TX))

/* CRB */

#define QLCNIC_HOST_RDS_CRB_MODE_UNIQUE 0
#define QLCNIC_HOST_RDS_CRB_MODE_SHARED 1
#define QLCNIC_HOST_RDS_CRB_MODE_CUSTOM 2
#define QLCNIC_HOST_RDS_CRB_MODE_MAX    3

#define QLCNIC_HOST_INT_CRB_MODE_UNIQUE 0
#define QLCNIC_HOST_INT_CRB_MODE_SHARED 1
#define QLCNIC_HOST_INT_CRB_MODE_NORX   2
#define QLCNIC_HOST_INT_CRB_MODE_NOTX   3
#define QLCNIC_HOST_INT_CRB_MODE_NORXTX 4


/* MAC */

#define MC_COUNT_P3P    38

#define QLCNIC_MAC_NOOP 0
#define QLCNIC_MAC_ADD  1
#define QLCNIC_MAC_DEL  2
#define QLCNIC_MAC_VLAN_ADD     3
#define QLCNIC_MAC_VLAN_DEL     4

enum qlcnic_mac_type {
        QLCNIC_UNICAST_MAC,
        QLCNIC_MULTICAST_MAC,
        QLCNIC_BROADCAST_MAC,
};

struct qlcnic_mac_vlan_list {
        struct list_head list;
        uint8_t mac_addr[ETH_ALEN+2];
        u16 vlan_id;
        enum qlcnic_mac_type mac_type;
};

/* MAC Learn */
#define NO_MAC_LEARN            0
#define DRV_MAC_LEARN           1
#define FDB_MAC_LEARN           2

#define QLCNIC_HOST_REQUEST     0x13
#define QLCNIC_REQUEST          0x14

#define QLCNIC_MAC_EVENT        0x1

#define QLCNIC_IP_UP            2
#define QLCNIC_IP_DOWN          3

#define QLCNIC_ILB_MODE         0x1
#define QLCNIC_ELB_MODE         0x2
#define QLCNIC_LB_MODE_MASK     0x3

#define QLCNIC_LINKEVENT        0x1
#define QLCNIC_LB_RESPONSE      0x2
#define QLCNIC_IS_LB_CONFIGURED(VAL)    \
                (VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE))

/*
 * Driver --> Firmware
 */
#define QLCNIC_H2C_OPCODE_CONFIG_RSS                    0x1
#define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE          0x3
#define QLCNIC_H2C_OPCODE_CONFIG_LED                    0x4
#define QLCNIC_H2C_OPCODE_LRO_REQUEST                   0x7
#define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE          0xc
#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR         0x12

#define QLCNIC_H2C_OPCODE_GET_LINKEVENT         0x15
#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING               0x17
#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO         0x18
#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK               0x13

/*
 * Firmware --> Driver
 */

#define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK               0x8f
#define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE        0x8D
#define QLCNIC_C2H_OPCODE_GET_DCB_AEN                   0x90

#define VPORT_MISS_MODE_DROP            0 /* drop all unmatched */
#define VPORT_MISS_MODE_ACCEPT_ALL      1 /* accept all packets */
#define VPORT_MISS_MODE_ACCEPT_MULTI    2 /* accept unmatched multicast */

#define QLCNIC_LRO_REQUEST_CLEANUP      4

/* Capabilites received */
#define QLCNIC_FW_CAPABILITY_TSO                BIT_1
#define QLCNIC_FW_CAPABILITY_BDG                BIT_8
#define QLCNIC_FW_CAPABILITY_FVLANTX            BIT_9
#define QLCNIC_FW_CAPABILITY_HW_LRO             BIT_10
#define QLCNIC_FW_CAPABILITY_2_MULTI_TX         BIT_4
#define QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK     BIT_27
#define QLCNIC_FW_CAPABILITY_MORE_CAPS          BIT_31

#define QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG  BIT_2
#define QLCNIC_FW_CAP2_HW_LRO_IPV6              BIT_3
#define QLCNIC_FW_CAPABILITY_SET_DRV_VER        BIT_5
#define QLCNIC_FW_CAPABILITY_2_BEACON           BIT_7
#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG     BIT_9
#define QLCNIC_FW_CAPABILITY_2_EXT_ISCSI_DUMP   BIT_13

#define QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD   BIT_0
#define QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD   BIT_1
#define QLCNIC_83XX_FW_CAPAB_ENCAP_CKO_OFFLOAD  BIT_4

/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT                    1
#define LINKEVENT_MODULE_OPTICAL_UNKNOWN                2
#define LINKEVENT_MODULE_OPTICAL_SRLR                   3
#define LINKEVENT_MODULE_OPTICAL_LRM                    4
#define LINKEVENT_MODULE_OPTICAL_SFP_1G                 5
#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE       6
#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN    7
#define LINKEVENT_MODULE_TWINAX                         8

#define LINKSPEED_10GBPS        10000
#define LINKSPEED_1GBPS         1000
#define LINKSPEED_100MBPS       100
#define LINKSPEED_10MBPS        10

#define LINKSPEED_ENCODED_10MBPS        0
#define LINKSPEED_ENCODED_100MBPS       1
#define LINKSPEED_ENCODED_1GBPS         2

#define LINKEVENT_AUTONEG_DISABLED      0
#define LINKEVENT_AUTONEG_ENABLED       1

#define LINKEVENT_HALF_DUPLEX           0
#define LINKEVENT_FULL_DUPLEX           1

#define LINKEVENT_LINKSPEED_MBPS        0
#define LINKEVENT_LINKSPEED_ENCODED     1

/* firmware response header:
 *      63:58 - message type
 *      57:56 - owner
 *      55:53 - desc count
 *      52:48 - reserved
 *      47:40 - completion id
 *      39:32 - opcode
 *      31:16 - error code
 *      15:00 - reserved
 */
#define qlcnic_get_nic_msg_opcode(msg_hdr)      \
        ((msg_hdr >> 32) & 0xFF)

struct qlcnic_fw_msg {
        union {
                struct {
                        u64 hdr;
                        u64 body[7];
                };
                u64 words[8];
        };
};

struct qlcnic_nic_req {
        __le64 qhdr;
        __le64 req_hdr;
        __le64 words[6];
} __packed;

struct qlcnic_mac_req {
        u8 op;
        u8 tag;
        u8 mac_addr[6];
};

struct qlcnic_vlan_req {
        __le16 vlan_id;
        __le16 rsvd[3];

} __packed;

struct qlcnic_ipaddr {
        __be32 ipv4;
        __be32 ipv6[4];
};

#define QLCNIC_MSI_ENABLED              0x02
#define QLCNIC_MSIX_ENABLED             0x04
#define QLCNIC_LRO_ENABLED              0x01
#define QLCNIC_LRO_DISABLED             0x00
#define QLCNIC_BRIDGE_ENABLED           0X10
#define QLCNIC_DIAG_ENABLED             0x20
#define QLCNIC_ESWITCH_ENABLED          0x40
#define QLCNIC_ADAPTER_INITIALIZED      0x80
#define QLCNIC_TAGGING_ENABLED          0x100
#define QLCNIC_MACSPOOF                 0x200
#define QLCNIC_MAC_OVERRIDE_DISABLED    0x400
#define QLCNIC_PROMISC_DISABLED         0x800
#define QLCNIC_NEED_FLR                 0x1000
#define QLCNIC_FW_RESET_OWNER           0x2000
#define QLCNIC_FW_HANG                  0x4000
#define QLCNIC_FW_LRO_MSS_CAP           0x8000
#define QLCNIC_TX_INTR_SHARED           0x10000
#define QLCNIC_APP_CHANGED_FLAGS        0x20000
#define QLCNIC_HAS_PHYS_PORT_ID         0x40000
#define QLCNIC_TSS_RSS                  0x80000

#define QLCNIC_ADD_VXLAN_PORT           0x100000
#define QLCNIC_DEL_VXLAN_PORT           0x200000

#define QLCNIC_VLAN_FILTERING           0x800000

#define QLCNIC_IS_MSI_FAMILY(adapter) \
        ((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
#define QLCNIC_IS_TSO_CAPABLE(adapter)  \
        ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)

#define QLCNIC_BEACON_EANBLE            0xC
#define QLCNIC_BEACON_DISABLE           0xD

#define QLCNIC_BEACON_ON                2
#define QLCNIC_BEACON_OFF               0

#define QLCNIC_MSIX_TBL_SPACE           8192
#define QLCNIC_PCI_REG_MSIX_TBL         0x44
#define QLCNIC_MSIX_TBL_PGSIZE          4096

#define QLCNIC_ADAPTER_UP_MAGIC 777

#define __QLCNIC_FW_ATTACHED            0
#define __QLCNIC_DEV_UP                 1
#define __QLCNIC_RESETTING              2
#define __QLCNIC_START_FW               4
#define __QLCNIC_AER                    5
#define __QLCNIC_DIAG_RES_ALLOC         6
#define __QLCNIC_LED_ENABLE             7
#define __QLCNIC_ELB_INPROGRESS         8
#define __QLCNIC_MULTI_TX_UNIQUE        9
#define __QLCNIC_SRIOV_ENABLE           10
#define __QLCNIC_SRIOV_CAPABLE          11
#define __QLCNIC_MBX_POLL_ENABLE        12
#define __QLCNIC_DIAG_MODE              13
#define __QLCNIC_MAINTENANCE_MODE       16

#define QLCNIC_INTERRUPT_TEST           1
#define QLCNIC_LOOPBACK_TEST            2
#define QLCNIC_LED_TEST         3

#define QLCNIC_FILTER_AGE       80
#define QLCNIC_READD_AGE        20
#define QLCNIC_LB_MAX_FILTERS   64
#define QLCNIC_LB_BUCKET_SIZE   32
#define QLCNIC_ILB_MAX_RCV_LOOP 10

struct qlcnic_filter {
        struct hlist_node fnode;
        u8 faddr[ETH_ALEN];
        u16 vlan_id;
        unsigned long ftime;
};

struct qlcnic_filter_hash {
        struct hlist_head *fhead;
        u8 fnum;
        u16 fmax;
        u16 fbucket_size;
};

/* Mailbox specific data structures */
struct qlcnic_mailbox {
        struct workqueue_struct *work_q;
        struct qlcnic_adapter   *adapter;
        const struct qlcnic_mbx_ops *ops;
        struct work_struct      work;
        struct completion       completion;
        struct list_head        cmd_q;
        unsigned long           status;
        spinlock_t              queue_lock;     /* Mailbox queue lock */
        spinlock_t              aen_lock;       /* Mailbox response/AEN lock */
        u32                     rsp_status;
        u32                     num_cmds;
};

struct qlcnic_adapter {
        struct qlcnic_hardware_context *ahw;
        struct qlcnic_recv_context *recv_ctx;
        struct qlcnic_host_tx_ring *tx_ring;
        struct net_device *netdev;
        struct pci_dev *pdev;

        unsigned long state;
        u32 flags;

        u16 num_txd;
        u16 num_rxd;
        u16 num_jumbo_rxd;
        u16 max_rxd;
        u16 max_jumbo_rxd;

        u8 max_rds_rings;

        u8 max_sds_rings; /* max sds rings supported by adapter */
        u8 max_tx_rings;  /* max tx rings supported by adapter */

        u8 drv_tx_rings;  /* max tx rings supported by driver */
        u8 drv_sds_rings; /* max sds rings supported by driver */

        u8 drv_tss_rings; /* tss ring input */
        u8 drv_rss_rings; /* rss ring input */

        u8 rx_csum;
        u8 portnum;

        u8 fw_wait_cnt;
        u8 fw_fail_cnt;
        u8 tx_timeo_cnt;
        u8 need_fw_reset;
        u8 reset_ctx_cnt;

        u16 is_up;
        u16 rx_pvid;
        u16 tx_pvid;

        u32 irq;
        u32 heartbeat;

        u8 dev_state;
        u8 reset_ack_timeo;
        u8 dev_init_timeo;

        u8 mac_addr[ETH_ALEN];

        u64 dev_rst_time;
        bool drv_mac_learn;
        bool fdb_mac_learn;
        bool rx_mac_learn;
        unsigned long vlans[BITS_TO_LONGS(VLAN_N_VID)];
        u8 flash_mfg_id;
        struct qlcnic_npar_info *npars;
        struct qlcnic_eswitch *eswitch;
        struct qlcnic_nic_template *nic_ops;

        struct qlcnic_adapter_stats stats;
        struct list_head mac_list;

        void __iomem    *tgt_mask_reg;
        void __iomem    *tgt_status_reg;
        void __iomem    *crb_int_state_reg;
        void __iomem    *isr_int_vec;

        struct msix_entry *msix_entries;
        struct workqueue_struct *qlcnic_wq;
        struct delayed_work fw_work;
        struct delayed_work idc_aen_work;
        struct delayed_work mbx_poll_work;
        struct qlcnic_dcb *dcb;

        struct qlcnic_filter_hash fhash;
        struct qlcnic_filter_hash rx_fhash;
        struct list_head vf_mc_list;

        spinlock_t mac_learn_lock;
        /* spinlock for catching rcv filters for eswitch traffic */
        spinlock_t rx_mac_learn_lock;
        u32 file_prd_off;       /*File fw product offset*/
        u32 fw_version;
        u32 offload_flags;
        const struct firmware *fw;
};

struct qlcnic_info_le {
        __le16  pci_func;
        __le16  op_mode;        /* 1 = Priv, 2 = NP, 3 = NP passthru */
        __le16  phys_port;
        __le16  switch_mode;    /* 0 = disabled, 1 = int, 2 = ext */

        __le32  capabilities;
        u8      max_mac_filters;
        u8      reserved1;
        __le16  max_mtu;

        __le16  max_tx_ques;
        __le16  max_rx_ques;
        __le16  min_tx_bw;
        __le16  max_tx_bw;
        __le32  op_type;
        __le16  max_bw_reg_offset;
        __le16  max_linkspeed_reg_offset;
        __le32  capability1;
        __le32  capability2;
        __le32  capability3;
        __le16  max_tx_mac_filters;
        __le16  max_rx_mcast_mac_filters;
        __le16  max_rx_ucast_mac_filters;
        __le16  max_rx_ip_addr;
        __le16  max_rx_lro_flow;
        __le16  max_rx_status_rings;
        __le16  max_rx_buf_rings;
        __le16  max_tx_vlan_keys;
        u8      total_pf;
        u8      total_rss_engines;
        __le16  max_vports;
        __le16  linkstate_reg_offset;
        __le16  bit_offsets;
        __le16  max_local_ipv6_addrs;
        __le16  max_remote_ipv6_addrs;
        u8      reserved2[56];
} __packed;

struct qlcnic_info {
        u16     pci_func;
        u16     op_mode;
        u16     phys_port;
        u16     switch_mode;
        u32     capabilities;
        u8      max_mac_filters;
        u16     max_mtu;
        u16     max_tx_ques;
        u16     max_rx_ques;
        u16     min_tx_bw;
        u16     max_tx_bw;
        u32     op_type;
        u16     max_bw_reg_offset;
        u16     max_linkspeed_reg_offset;
        u32     capability1;
        u32     capability2;
        u32     capability3;
        u16     max_tx_mac_filters;
        u16     max_rx_mcast_mac_filters;
        u16     max_rx_ucast_mac_filters;
        u16     max_rx_ip_addr;
        u16     max_rx_lro_flow;
        u16     max_rx_status_rings;
        u16     max_rx_buf_rings;
        u16     max_tx_vlan_keys;
        u8      total_pf;
        u8      total_rss_engines;
        u16     max_vports;
        u16     linkstate_reg_offset;
        u16     bit_offsets;
        u16     max_local_ipv6_addrs;
        u16     max_remote_ipv6_addrs;
};

struct qlcnic_pci_info_le {
        __le16  id;             /* pci function id */
        __le16  active;         /* 1 = Enabled */
        __le16  type;           /* 1 = NIC, 2 = FCoE, 3 = iSCSI */
        __le16  default_port;   /* default port number */

        __le16  tx_min_bw;      /* Multiple of 100mbpc */
        __le16  tx_max_bw;
        __le16  reserved1[2];

        u8      mac[ETH_ALEN];
        __le16  func_count;
        u8      reserved2[104];

} __packed;

struct qlcnic_pci_info {
        u16     id;
        u16     active;
        u16     type;
        u16     default_port;
        u16     tx_min_bw;
        u16     tx_max_bw;
        u8      mac[ETH_ALEN];
        u16  func_count;
};

struct qlcnic_npar_info {
        bool    eswitch_status;
        u16     pvid;
        u16     min_bw;
        u16     max_bw;
        u8      phy_port;
        u8      type;
        u8      active;
        u8      enable_pm;
        u8      dest_npar;
        u8      discard_tagged;
        u8      mac_override;
        u8      mac_anti_spoof;
        u8      promisc_mode;
        u8      offload_flags;
        u8      pci_func;
        u8      mac[ETH_ALEN];
};

struct qlcnic_eswitch {
        u8      port;
        u8      active_vports;
        u8      active_vlans;
        u8      active_ucast_filters;
        u8      max_ucast_filters;
        u8      max_active_vlans;

        u32     flags;
#define QLCNIC_SWITCH_ENABLE            BIT_1
#define QLCNIC_SWITCH_VLAN_FILTERING    BIT_2
#define QLCNIC_SWITCH_PROMISC_MODE      BIT_3
#define QLCNIC_SWITCH_PORT_MIRRORING    BIT_4
};


#define MAX_BW                  100     /* % of link speed */
#define MIN_BW                  1       /* % of link speed */
#define MAX_VLAN_ID             4095
#define MIN_VLAN_ID             2
#define DEFAULT_MAC_LEARN       1

#define IS_VALID_VLAN(vlan)     (vlan >= MIN_VLAN_ID && vlan < MAX_VLAN_ID)
#define IS_VALID_BW(bw)         (bw <= MAX_BW)

struct qlcnic_pci_func_cfg {
        u16     func_type;
        u16     min_bw;
        u16     max_bw;
        u16     port_num;
        u8      pci_func;
        u8      func_state;
        u8      def_mac_addr[ETH_ALEN];
};

struct qlcnic_npar_func_cfg {
        u32     fw_capab;
        u16     port_num;
        u16     min_bw;
        u16     max_bw;
        u16     max_tx_queues;
        u16     max_rx_queues;
        u8      pci_func;
        u8      op_mode;
};

struct qlcnic_pm_func_cfg {
        u8      pci_func;
        u8      action;
        u8      dest_npar;
        u8      reserved[5];
};

struct qlcnic_esw_func_cfg {
        u16     vlan_id;
        u8      op_mode;
        u8      op_type;
        u8      pci_func;
        u8      host_vlan_tag;
        u8      promisc_mode;
        u8      discard_tagged;
        u8      mac_override;
        u8      mac_anti_spoof;
        u8      offload_flags;
        u8      reserved[5];
};

#define QLCNIC_STATS_VERSION            1
#define QLCNIC_STATS_PORT               1
#define QLCNIC_STATS_ESWITCH            2
#define QLCNIC_QUERY_RX_COUNTER         0
#define QLCNIC_QUERY_TX_COUNTER         1
#define QLCNIC_STATS_NOT_AVAIL  0xffffffffffffffffULL
#define QLCNIC_FILL_STATS(VAL1) \
        (((VAL1) == QLCNIC_STATS_NOT_AVAIL) ? 0 : VAL1)
#define QLCNIC_MAC_STATS 1
#define QLCNIC_ESW_STATS 2

#define QLCNIC_ADD_ESW_STATS(VAL1, VAL2)\
do {    \
        if (((VAL1) == QLCNIC_STATS_NOT_AVAIL) && \
            ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \
                (VAL1) = (VAL2); \
        else if (((VAL1) != QLCNIC_STATS_NOT_AVAIL) && \
                 ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \
                        (VAL1) += (VAL2); \
} while (0)

struct qlcnic_mac_statistics_le {
        __le64  mac_tx_frames;
        __le64  mac_tx_bytes;
        __le64  mac_tx_mcast_pkts;
        __le64  mac_tx_bcast_pkts;
        __le64  mac_tx_pause_cnt;
        __le64  mac_tx_ctrl_pkt;
        __le64  mac_tx_lt_64b_pkts;
        __le64  mac_tx_lt_127b_pkts;
        __le64  mac_tx_lt_255b_pkts;
        __le64  mac_tx_lt_511b_pkts;
        __le64  mac_tx_lt_1023b_pkts;
        __le64  mac_tx_lt_1518b_pkts;
        __le64  mac_tx_gt_1518b_pkts;
        __le64  rsvd1[3];

        __le64  mac_rx_frames;
        __le64  mac_rx_bytes;
        __le64  mac_rx_mcast_pkts;
        __le64  mac_rx_bcast_pkts;
        __le64  mac_rx_pause_cnt;
        __le64  mac_rx_ctrl_pkt;
        __le64  mac_rx_lt_64b_pkts;
        __le64  mac_rx_lt_127b_pkts;
        __le64  mac_rx_lt_255b_pkts;
        __le64  mac_rx_lt_511b_pkts;
        __le64  mac_rx_lt_1023b_pkts;
        __le64  mac_rx_lt_1518b_pkts;
        __le64  mac_rx_gt_1518b_pkts;
        __le64  rsvd2[3];

        __le64  mac_rx_length_error;
        __le64  mac_rx_length_small;
        __le64  mac_rx_length_large;
        __le64  mac_rx_jabber;
        __le64  mac_rx_dropped;
        __le64  mac_rx_crc_error;
        __le64  mac_align_error;
} __packed;

struct qlcnic_mac_statistics {
        u64     mac_tx_frames;
        u64     mac_tx_bytes;
        u64     mac_tx_mcast_pkts;
        u64     mac_tx_bcast_pkts;
        u64     mac_tx_pause_cnt;
        u64     mac_tx_ctrl_pkt;
        u64     mac_tx_lt_64b_pkts;
        u64     mac_tx_lt_127b_pkts;
        u64     mac_tx_lt_255b_pkts;
        u64     mac_tx_lt_511b_pkts;
        u64     mac_tx_lt_1023b_pkts;
        u64     mac_tx_lt_1518b_pkts;
        u64     mac_tx_gt_1518b_pkts;
        u64     rsvd1[3];
        u64     mac_rx_frames;
        u64     mac_rx_bytes;
        u64     mac_rx_mcast_pkts;
        u64     mac_rx_bcast_pkts;
        u64     mac_rx_pause_cnt;
        u64     mac_rx_ctrl_pkt;
        u64     mac_rx_lt_64b_pkts;
        u64     mac_rx_lt_127b_pkts;
        u64     mac_rx_lt_255b_pkts;
        u64     mac_rx_lt_511b_pkts;
        u64     mac_rx_lt_1023b_pkts;
        u64     mac_rx_lt_1518b_pkts;
        u64     mac_rx_gt_1518b_pkts;
        u64     rsvd2[3];
        u64     mac_rx_length_error;
        u64     mac_rx_length_small;
        u64     mac_rx_length_large;
        u64     mac_rx_jabber;
        u64     mac_rx_dropped;
        u64     mac_rx_crc_error;
        u64     mac_align_error;
};

struct qlcnic_esw_stats_le {
        __le16 context_id;
        __le16 version;
        __le16 size;
        __le16 unused;
        __le64 unicast_frames;
        __le64 multicast_frames;
        __le64 broadcast_frames;
        __le64 dropped_frames;
        __le64 errors;
        __le64 local_frames;
        __le64 numbytes;
        __le64 rsvd[3];
} __packed;

struct __qlcnic_esw_statistics {
        u16     context_id;
        u16     version;
        u16     size;
        u16     unused;
        u64     unicast_frames;
        u64     multicast_frames;
        u64     broadcast_frames;
        u64     dropped_frames;
        u64     errors;
        u64     local_frames;
        u64     numbytes;
        u64     rsvd[3];
};

struct qlcnic_esw_statistics {
        struct __qlcnic_esw_statistics rx;
        struct __qlcnic_esw_statistics tx;
};

#define QLCNIC_FORCE_FW_DUMP_KEY        0xdeadfeed
#define QLCNIC_ENABLE_FW_DUMP           0xaddfeed
#define QLCNIC_DISABLE_FW_DUMP          0xbadfeed
#define QLCNIC_FORCE_FW_RESET           0xdeaddead
#define QLCNIC_SET_QUIESCENT            0xadd00010
#define QLCNIC_RESET_QUIESCENT          0xadd00020

struct _cdrp_cmd {
        u32 num;
        u32 *arg;
};

struct qlcnic_cmd_args {
        struct completion       completion;
        struct list_head        list;
        struct _cdrp_cmd        req;
        struct _cdrp_cmd        rsp;
        atomic_t                rsp_status;
        int                     pay_size;
        u32                     rsp_opcode;
        u32                     total_cmds;
        u32                     op_type;
        u32                     type;
        u32                     cmd_op;
        u32                     *hdr;   /* Back channel message header */
        u32                     *pay;   /* Back channel message payload */
        u8                      func_num;
};

int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter);
int qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config);
int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *, u64 off, u64 data);
int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *, u64 off, u64 *data);

#define ADDR_IN_RANGE(addr, low, high)  \
        (((addr) < (high)) && ((addr) >= (low)))

#define QLCRD32(adapter, off, err) \
        (adapter->ahw->hw_ops->read_reg)(adapter, off, err)

#define QLCWR32(adapter, off, val) \
        adapter->ahw->hw_ops->write_reg(adapter, off, val)

int qlcnic_pcie_sem_lock(struct qlcnic_adapter *, int, u32);
void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *, int);

#define qlcnic_rom_lock(a)      \
        qlcnic_pcie_sem_lock((a), 2, QLCNIC_ROM_LOCK_ID)
#define qlcnic_rom_unlock(a)    \
        qlcnic_pcie_sem_unlock((a), 2)
#define qlcnic_phy_lock(a)      \
        qlcnic_pcie_sem_lock((a), 3, QLCNIC_PHY_LOCK_ID)
#define qlcnic_phy_unlock(a)    \
        qlcnic_pcie_sem_unlock((a), 3)
#define qlcnic_sw_lock(a)       \
        qlcnic_pcie_sem_lock((a), 6, 0)
#define qlcnic_sw_unlock(a)     \
        qlcnic_pcie_sem_unlock((a), 6)
#define crb_win_lock(a) \
        qlcnic_pcie_sem_lock((a), 7, QLCNIC_CRB_WIN_LOCK_ID)
#define crb_win_unlock(a)       \
        qlcnic_pcie_sem_unlock((a), 7)

#define __QLCNIC_MAX_LED_RATE   0xf
#define __QLCNIC_MAX_LED_STATE  0x2

#define MAX_CTL_CHECK 1000

void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter);
void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter);
int qlcnic_dump_fw(struct qlcnic_adapter *);
int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *);
bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *);

/* Functions from qlcnic_init.c */
void qlcnic_schedule_work(struct qlcnic_adapter *, work_func_t, int);
int qlcnic_load_firmware(struct qlcnic_adapter *adapter);
int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter);
void qlcnic_request_firmware(struct qlcnic_adapter *adapter);
void qlcnic_release_firmware(struct qlcnic_adapter *adapter);
int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter);
int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter);
int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter);

int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp);
int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
                                u8 *bytes, size_t size);
int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter);
void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter);

void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *, u32);

int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter);
void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter);

int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter);
void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter);

void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter);
void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter);
void qlcnic_release_tx_buffers(struct qlcnic_adapter *,
                               struct qlcnic_host_tx_ring *);

int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
void qlcnic_watchdog_task(struct work_struct *work);
void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
                struct qlcnic_host_rds_ring *rds_ring, u8 ring_id);
void qlcnic_set_multi(struct net_device *netdev);
void qlcnic_flush_mcast_mac(struct qlcnic_adapter *);
int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16,
                       enum qlcnic_mac_type);
int qlcnic_nic_del_mac(struct qlcnic_adapter *, const u8 *);
void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter);
int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *);

int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *, u32);
int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
netdev_features_t qlcnic_fix_features(struct net_device *netdev,
        netdev_features_t features);
int qlcnic_set_features(struct net_device *netdev, netdev_features_t features);
int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *);

/* Functions from qlcnic_ethtool.c */
int qlcnic_check_loopback_buff(unsigned char *, u8 []);
int qlcnic_do_lb_test(struct qlcnic_adapter *, u8);

/* Functions from qlcnic_main.c */
int qlcnic_reset_context(struct qlcnic_adapter *);
void qlcnic_diag_free_res(struct net_device *netdev, int);
int qlcnic_diag_alloc_res(struct net_device *netdev, int);
netdev_tx_t qlcnic_xmit_frame(struct sk_buff *, struct net_device *);
void qlcnic_set_tx_ring_count(struct qlcnic_adapter *, u8);
void qlcnic_set_sds_ring_count(struct qlcnic_adapter *, u8);
int qlcnic_setup_rings(struct qlcnic_adapter *);
int qlcnic_validate_rings(struct qlcnic_adapter *, __u32, int);
void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
int qlcnic_enable_msix(struct qlcnic_adapter *, u32);
void qlcnic_set_drv_version(struct qlcnic_adapter *);

/*  eSwitch management functions */
int qlcnic_config_switch_port(struct qlcnic_adapter *,
                                struct qlcnic_esw_func_cfg *);

int qlcnic_get_eswitch_port_config(struct qlcnic_adapter *,
                                struct qlcnic_esw_func_cfg *);
int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8);
int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8,
                                        struct __qlcnic_esw_statistics *);
int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8,
                                        struct __qlcnic_esw_statistics *);
int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8);
int qlcnic_get_mac_stats(struct qlcnic_adapter *, struct qlcnic_mac_statistics *);

void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd);

int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *, int);
void qlcnic_free_sds_rings(struct qlcnic_recv_context *);
void qlcnic_advert_link_change(struct qlcnic_adapter *, int);
void qlcnic_free_tx_rings(struct qlcnic_adapter *);
int qlcnic_alloc_tx_rings(struct qlcnic_adapter *, struct net_device *);
void qlcnic_dump_mbx(struct qlcnic_adapter *, struct qlcnic_cmd_args *);

void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
void qlcnic_82xx_add_sysfs(struct qlcnic_adapter *adapter);
void qlcnic_82xx_remove_sysfs(struct qlcnic_adapter *adapter);

int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
void qlcnic_set_vlan_config(struct qlcnic_adapter *,
                            struct qlcnic_esw_func_cfg *);
void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *,
                                      struct qlcnic_esw_func_cfg *);
int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter  *);
void qlcnic_down(struct qlcnic_adapter *, struct net_device *);
int qlcnic_up(struct qlcnic_adapter *, struct net_device *);
void __qlcnic_down(struct qlcnic_adapter *, struct net_device *);
void qlcnic_detach(struct qlcnic_adapter *);
void qlcnic_teardown_intr(struct qlcnic_adapter *);
int qlcnic_attach(struct qlcnic_adapter *);
int __qlcnic_up(struct qlcnic_adapter *, struct net_device *);
void qlcnic_restore_indev_addr(struct net_device *, unsigned long);

int qlcnic_check_temp(struct qlcnic_adapter *);
int qlcnic_init_pci_info(struct qlcnic_adapter *);
int qlcnic_set_default_offload_settings(struct qlcnic_adapter *);
int qlcnic_reset_npar_config(struct qlcnic_adapter *);
int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *);
int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
int qlcnic_read_mac_addr(struct qlcnic_adapter *);
int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
void qlcnic_set_netdev_features(struct qlcnic_adapter *,
                                struct qlcnic_esw_func_cfg *);
void qlcnic_sriov_vf_set_multi(struct net_device *);
int qlcnic_is_valid_nic_func(struct qlcnic_adapter *, u8);
int qlcnic_get_pci_func_type(struct qlcnic_adapter *, u16, u16 *, u16 *,
                             u16 *);

/*
 * QLOGIC Board information
 */

#define QLCNIC_MAX_BOARD_NAME_LEN 100
struct qlcnic_board_info {
        unsigned short  vendor;
        unsigned short  device;
        unsigned short  sub_vendor;
        unsigned short  sub_device;
        char short_name[QLCNIC_MAX_BOARD_NAME_LEN];
};

static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
{
        if (likely(tx_ring->producer < tx_ring->sw_consumer))
                return tx_ring->sw_consumer - tx_ring->producer;
        else
                return tx_ring->sw_consumer + tx_ring->num_desc -
                                tx_ring->producer;
}

struct qlcnic_nic_template {
        int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
        int (*config_led) (struct qlcnic_adapter *, u32, u32);
        int (*start_firmware) (struct qlcnic_adapter *);
        int (*init_driver) (struct qlcnic_adapter *);
        void (*request_reset) (struct qlcnic_adapter *, u32);
        void (*cancel_idc_work) (struct qlcnic_adapter *);
        int (*napi_add)(struct qlcnic_adapter *, struct net_device *);
        void (*napi_del)(struct qlcnic_adapter *);
        void (*config_ipaddr)(struct qlcnic_adapter *, __be32, int);
        irqreturn_t (*clear_legacy_intr)(struct qlcnic_adapter *);
        int (*shutdown)(struct pci_dev *);
        int (*resume)(struct qlcnic_adapter *);
};

struct qlcnic_mbx_ops {
        int (*enqueue_cmd) (struct qlcnic_adapter *,
                            struct qlcnic_cmd_args *, unsigned long *);
        void (*dequeue_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
        void (*decode_resp) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
        void (*encode_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
        void (*nofity_fw) (struct qlcnic_adapter *, u8);
};

int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *);
void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *);
void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx);
void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx);
void qlcnic_update_stats(struct qlcnic_adapter *);

/* Adapter hardware abstraction */
struct qlcnic_hardware_ops {
        void (*read_crb) (struct qlcnic_adapter *, char *, loff_t, size_t);
        void (*write_crb) (struct qlcnic_adapter *, char *, loff_t, size_t);
        int (*read_reg) (struct qlcnic_adapter *, ulong, int *);
        int (*write_reg) (struct qlcnic_adapter *, ulong, u32);
        void (*get_ocm_win) (struct qlcnic_hardware_context *);
        int (*get_mac_address) (struct qlcnic_adapter *, u8 *, u8);
        int (*setup_intr) (struct qlcnic_adapter *);
        int (*alloc_mbx_args)(struct qlcnic_cmd_args *,
                              struct qlcnic_adapter *, u32);
        int (*mbx_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
        void (*get_func_no) (struct qlcnic_adapter *);
        int (*api_lock) (struct qlcnic_adapter *);
        void (*api_unlock) (struct qlcnic_adapter *);
        void (*add_sysfs) (struct qlcnic_adapter *);
        void (*remove_sysfs) (struct qlcnic_adapter *);
        void (*process_lb_rcv_ring_diag) (struct qlcnic_host_sds_ring *);
        int (*create_rx_ctx) (struct qlcnic_adapter *);
        int (*create_tx_ctx) (struct qlcnic_adapter *,
        struct qlcnic_host_tx_ring *, int);
        void (*del_rx_ctx) (struct qlcnic_adapter *);
        void (*del_tx_ctx) (struct qlcnic_adapter *,
                            struct qlcnic_host_tx_ring *);
        int (*setup_link_event) (struct qlcnic_adapter *, int);
        int (*get_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *, u8);
        int (*get_pci_info) (struct qlcnic_adapter *, struct qlcnic_pci_info *);
        int (*set_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *);
        int (*change_macvlan) (struct qlcnic_adapter *, u8*, u16, u8);
        void (*napi_enable) (struct qlcnic_adapter *);
        void (*napi_disable) (struct qlcnic_adapter *);
        int (*config_intr_coal) (struct qlcnic_adapter *,
                                 struct ethtool_coalesce *);
        int (*config_rss) (struct qlcnic_adapter *, int);
        int (*config_hw_lro) (struct qlcnic_adapter *, int);
        int (*config_loopback) (struct qlcnic_adapter *, u8);
        int (*clear_loopback) (struct qlcnic_adapter *, u8);
        int (*config_promisc_mode) (struct qlcnic_adapter *, u32);
        void (*change_l2_filter)(struct qlcnic_adapter *adapter, u64 *addr,
                                 u16 vlan, struct qlcnic_host_tx_ring *tx_ring);
        int (*get_board_info) (struct qlcnic_adapter *);
        void (*set_mac_filter_count) (struct qlcnic_adapter *);
        void (*free_mac_list) (struct qlcnic_adapter *);
        int (*read_phys_port_id) (struct qlcnic_adapter *);
        pci_ers_result_t (*io_error_detected) (struct pci_dev *,
                                               pci_channel_state_t);
        pci_ers_result_t (*io_slot_reset) (struct pci_dev *);
        void (*io_resume) (struct pci_dev *);
        void (*get_beacon_state)(struct qlcnic_adapter *);
        void (*enable_sds_intr) (struct qlcnic_adapter *,
                                 struct qlcnic_host_sds_ring *);
        void (*disable_sds_intr) (struct qlcnic_adapter *,
                                  struct qlcnic_host_sds_ring *);
        void (*enable_tx_intr) (struct qlcnic_adapter *,
                                struct qlcnic_host_tx_ring *);
        void (*disable_tx_intr) (struct qlcnic_adapter *,
                                 struct qlcnic_host_tx_ring *);
        u32 (*get_saved_state)(void *, u32);
        void (*set_saved_state)(void *, u32, u32);
        void (*cache_tmpl_hdr_values)(struct qlcnic_fw_dump *);
        u32 (*get_cap_size)(void *, int);
        void (*set_sys_info)(void *, int, u32);
        void (*store_cap_mask)(void *, u32);
        bool (*encap_rx_offload) (struct qlcnic_adapter *adapter);
        bool (*encap_tx_offload) (struct qlcnic_adapter *adapter);
};

extern struct qlcnic_nic_template qlcnic_vf_ops;

static inline bool qlcnic_83xx_encap_tx_offload(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->extra_capability[0] &
               QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD;
}

static inline bool qlcnic_83xx_encap_rx_offload(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->extra_capability[0] &
               QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD;
}

static inline bool qlcnic_82xx_encap_tx_offload(struct qlcnic_adapter *adapter)
{
        return false;
}

static inline bool qlcnic_82xx_encap_rx_offload(struct qlcnic_adapter *adapter)
{
        return false;
}

static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->encap_rx_offload(adapter);
}

static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->encap_tx_offload(adapter);
}

static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter)
{
        return adapter->nic_ops->start_firmware(adapter);
}

static inline void qlcnic_read_crb(struct qlcnic_adapter *adapter, char *buf,
                                   loff_t offset, size_t size)
{
        adapter->ahw->hw_ops->read_crb(adapter, buf, offset, size);
}

static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf,
                                    loff_t offset, size_t size)
{
        adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size);
}

static inline int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter,
                                        ulong off, u32 data)
{
        return adapter->ahw->hw_ops->write_reg(adapter, off, data);
}

static inline int qlcnic_get_mac_address(struct qlcnic_adapter *adapter,
                                         u8 *mac, u8 function)
{
        return adapter->ahw->hw_ops->get_mac_address(adapter, mac, function);
}

static inline int qlcnic_setup_intr(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->setup_intr(adapter);
}

static inline int qlcnic_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
                                        struct qlcnic_adapter *adapter, u32 arg)
{
        return adapter->ahw->hw_ops->alloc_mbx_args(mbx, adapter, arg);
}

static inline int qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
                                   struct qlcnic_cmd_args *cmd)
{
        if (adapter->ahw->hw_ops->mbx_cmd)
                return adapter->ahw->hw_ops->mbx_cmd(adapter, cmd);

        return -EIO;
}

static inline void qlcnic_get_func_no(struct qlcnic_adapter *adapter)
{
        adapter->ahw->hw_ops->get_func_no(adapter);
}

static inline int qlcnic_api_lock(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->api_lock(adapter);
}

static inline void qlcnic_api_unlock(struct qlcnic_adapter *adapter)
{
        adapter->ahw->hw_ops->api_unlock(adapter);
}

static inline void qlcnic_add_sysfs(struct qlcnic_adapter *adapter)
{
        if (adapter->ahw->hw_ops->add_sysfs)
                adapter->ahw->hw_ops->add_sysfs(adapter);
}

static inline void qlcnic_remove_sysfs(struct qlcnic_adapter *adapter)
{
        if (adapter->ahw->hw_ops->remove_sysfs)
                adapter->ahw->hw_ops->remove_sysfs(adapter);
}

static inline void
qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
{
        sds_ring->adapter->ahw->hw_ops->process_lb_rcv_ring_diag(sds_ring);
}

static inline int qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->create_rx_ctx(adapter);
}

static inline int qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
                                              struct qlcnic_host_tx_ring *ptr,
                                              int ring)
{
        return adapter->ahw->hw_ops->create_tx_ctx(adapter, ptr, ring);
}

static inline void qlcnic_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->del_rx_ctx(adapter);
}

static inline void qlcnic_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
                                            struct qlcnic_host_tx_ring *ptr)
{
        return adapter->ahw->hw_ops->del_tx_ctx(adapter, ptr);
}

static inline int qlcnic_linkevent_request(struct qlcnic_adapter *adapter,
                                           int enable)
{
        return adapter->ahw->hw_ops->setup_link_event(adapter, enable);
}

static inline int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
                                      struct qlcnic_info *info, u8 id)
{
        return adapter->ahw->hw_ops->get_nic_info(adapter, info, id);
}

static inline int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
                                      struct qlcnic_pci_info *info)
{
        return adapter->ahw->hw_ops->get_pci_info(adapter, info);
}

static inline int qlcnic_set_nic_info(struct qlcnic_adapter *adapter,
                                      struct qlcnic_info *info)
{
        return adapter->ahw->hw_ops->set_nic_info(adapter, info);
}

static inline int qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter,
                                            u8 *addr, u16 id, u8 cmd)
{
        return adapter->ahw->hw_ops->change_macvlan(adapter, addr, id, cmd);
}

static inline int qlcnic_napi_add(struct qlcnic_adapter *adapter,
                                  struct net_device *netdev)
{
        return adapter->nic_ops->napi_add(adapter, netdev);
}

static inline void qlcnic_napi_del(struct qlcnic_adapter *adapter)
{
        adapter->nic_ops->napi_del(adapter);
}

static inline void qlcnic_napi_enable(struct qlcnic_adapter *adapter)
{
        adapter->ahw->hw_ops->napi_enable(adapter);
}

static inline int __qlcnic_shutdown(struct pci_dev *pdev)
{
        struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);

        return adapter->nic_ops->shutdown(pdev);
}

static inline int __qlcnic_resume(struct qlcnic_adapter *adapter)
{
        return adapter->nic_ops->resume(adapter);
}

static inline void qlcnic_napi_disable(struct qlcnic_adapter *adapter)
{
        adapter->ahw->hw_ops->napi_disable(adapter);
}

static inline int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter,
                                              struct ethtool_coalesce *ethcoal)
{
        return adapter->ahw->hw_ops->config_intr_coal(adapter, ethcoal);
}

static inline int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
{
        return adapter->ahw->hw_ops->config_rss(adapter, enable);
}

static inline int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter,
                                       int enable)
{
        return adapter->ahw->hw_ops->config_hw_lro(adapter, enable);
}

static inline int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
{
        return adapter->ahw->hw_ops->config_loopback(adapter, mode);
}

static inline int qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
{
        return adapter->ahw->hw_ops->clear_loopback(adapter, mode);
}

static inline int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter,
                                         u32 mode)
{
        return adapter->ahw->hw_ops->config_promisc_mode(adapter, mode);
}

static inline void qlcnic_change_filter(struct qlcnic_adapter *adapter,
                                        u64 *addr, u16 vlan,
                                        struct qlcnic_host_tx_ring *tx_ring)
{
        adapter->ahw->hw_ops->change_l2_filter(adapter, addr, vlan, tx_ring);
}

static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->get_board_info(adapter);
}

static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
{
        return adapter->ahw->hw_ops->free_mac_list(adapter);
}

static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter)
{
        if (adapter->ahw->hw_ops->set_mac_filter_count)
                adapter->ahw->hw_ops->set_mac_filter_count(adapter);
}

static inline void qlcnic_get_beacon_state(struct qlcnic_adapter *adapter)
{
        adapter->ahw->hw_ops->get_beacon_state(adapter);
}

static inline void qlcnic_read_phys_port_id(struct qlcnic_adapter *adapter)
{
        if (adapter->ahw->hw_ops->read_phys_port_id)
                adapter->ahw->hw_ops->read_phys_port_id(adapter);
}

static inline u32 qlcnic_get_saved_state(struct qlcnic_adapter *adapter,
                                         void *t_hdr, u32 index)
{
        return adapter->ahw->hw_ops->get_saved_state(t_hdr, index);
}

static inline void qlcnic_set_saved_state(struct qlcnic_adapter *adapter,
                                          void *t_hdr, u32 index, u32 value)
{
        adapter->ahw->hw_ops->set_saved_state(t_hdr, index, value);
}

static inline void qlcnic_cache_tmpl_hdr_values(struct qlcnic_adapter *adapter,
                                                struct qlcnic_fw_dump *fw_dump)
{
        adapter->ahw->hw_ops->cache_tmpl_hdr_values(fw_dump);
}

static inline u32 qlcnic_get_cap_size(struct qlcnic_adapter *adapter,
                                      void *tmpl_hdr, int index)
{
        return adapter->ahw->hw_ops->get_cap_size(tmpl_hdr, index);
}

static inline void qlcnic_set_sys_info(struct qlcnic_adapter *adapter,
                                       void *tmpl_hdr, int idx, u32 value)
{
        adapter->ahw->hw_ops->set_sys_info(tmpl_hdr, idx, value);
}

static inline void qlcnic_store_cap_mask(struct qlcnic_adapter *adapter,
                                         void *tmpl_hdr, u32 mask)
{
        adapter->ahw->hw_ops->store_cap_mask(tmpl_hdr, mask);
}

static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter,
                                            u32 key)
{
        if (adapter->nic_ops->request_reset)
                adapter->nic_ops->request_reset(adapter, key);
}

static inline void qlcnic_cancel_idc_work(struct qlcnic_adapter *adapter)
{
        if (adapter->nic_ops->cancel_idc_work)
                adapter->nic_ops->cancel_idc_work(adapter);
}

static inline irqreturn_t
qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
{
        return adapter->nic_ops->clear_legacy_intr(adapter);
}

static inline int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state,
                                    u32 rate)
{
        return adapter->nic_ops->config_led(adapter, state, rate);
}

static inline void qlcnic_config_ipaddr(struct qlcnic_adapter *adapter,
                                        __be32 ip, int cmd)
{
        adapter->nic_ops->config_ipaddr(adapter, ip, cmd);
}

static inline bool qlcnic_check_multi_tx(struct qlcnic_adapter *adapter)
{
        return test_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
}

static inline void
qlcnic_82xx_enable_tx_intr(struct qlcnic_adapter *adapter,
                           struct qlcnic_host_tx_ring *tx_ring)
{
        if (qlcnic_check_multi_tx(adapter) &&
            !adapter->ahw->diag_test)
                writel(0x0, tx_ring->crb_intr_mask);
}

static inline void
qlcnic_82xx_disable_tx_intr(struct qlcnic_adapter *adapter,
                            struct qlcnic_host_tx_ring *tx_ring)
{
        if (qlcnic_check_multi_tx(adapter) &&
            !adapter->ahw->diag_test)
                writel(1, tx_ring->crb_intr_mask);
}

static inline void
qlcnic_83xx_enable_tx_intr(struct qlcnic_adapter *adapter,
                           struct qlcnic_host_tx_ring *tx_ring)
{
        writel(0, tx_ring->crb_intr_mask);
}

static inline void
qlcnic_83xx_disable_tx_intr(struct qlcnic_adapter *adapter,
                            struct qlcnic_host_tx_ring *tx_ring)
{
        writel(1, tx_ring->crb_intr_mask);
}

/* Enable MSI-x and INT-x interrupts */
static inline void
qlcnic_83xx_enable_sds_intr(struct qlcnic_adapter *adapter,
                            struct qlcnic_host_sds_ring *sds_ring)
{
        writel(0, sds_ring->crb_intr_mask);
}

/* Disable MSI-x and INT-x interrupts */
static inline void
qlcnic_83xx_disable_sds_intr(struct qlcnic_adapter *adapter,
                             struct qlcnic_host_sds_ring *sds_ring)
{
        writel(1, sds_ring->crb_intr_mask);
}

static inline void qlcnic_disable_multi_tx(struct qlcnic_adapter *adapter)
{
        test_and_clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
        adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
}

/* When operating in a muti tx mode, driver needs to write 0x1
 * to src register, instead of 0x0 to disable receiving interrupt.
 */
static inline void
qlcnic_82xx_disable_sds_intr(struct qlcnic_adapter *adapter,
                             struct qlcnic_host_sds_ring *sds_ring)
{
        if (qlcnic_check_multi_tx(adapter) &&
            !adapter->ahw->diag_test &&
            (adapter->flags & QLCNIC_MSIX_ENABLED))
                writel(0x1, sds_ring->crb_intr_mask);
        else
                writel(0, sds_ring->crb_intr_mask);
}

static inline void qlcnic_enable_sds_intr(struct qlcnic_adapter *adapter,
                                          struct qlcnic_host_sds_ring *sds_ring)
{
        if (adapter->ahw->hw_ops->enable_sds_intr)
                adapter->ahw->hw_ops->enable_sds_intr(adapter, sds_ring);
}

static inline void
qlcnic_disable_sds_intr(struct qlcnic_adapter *adapter,
                        struct qlcnic_host_sds_ring *sds_ring)
{
        if (adapter->ahw->hw_ops->disable_sds_intr)
                adapter->ahw->hw_ops->disable_sds_intr(adapter, sds_ring);
}

static inline void qlcnic_enable_tx_intr(struct qlcnic_adapter *adapter,
                                         struct qlcnic_host_tx_ring *tx_ring)
{
        if (adapter->ahw->hw_ops->enable_tx_intr)
                adapter->ahw->hw_ops->enable_tx_intr(adapter, tx_ring);
}

static inline void qlcnic_disable_tx_intr(struct qlcnic_adapter *adapter,
                                          struct qlcnic_host_tx_ring *tx_ring)
{
        if (adapter->ahw->hw_ops->disable_tx_intr)
                adapter->ahw->hw_ops->disable_tx_intr(adapter, tx_ring);
}

/* When operating in a muti tx mode, driver needs to write 0x0
 * to src register, instead of 0x1 to enable receiving interrupts.
 */
static inline void
qlcnic_82xx_enable_sds_intr(struct qlcnic_adapter *adapter,
                            struct qlcnic_host_sds_ring *sds_ring)
{
        if (qlcnic_check_multi_tx(adapter) &&
            !adapter->ahw->diag_test &&
            (adapter->flags & QLCNIC_MSIX_ENABLED))
                writel(0, sds_ring->crb_intr_mask);
        else
                writel(0x1, sds_ring->crb_intr_mask);

        if (!QLCNIC_IS_MSI_FAMILY(adapter))
                writel(0xfbff, adapter->tgt_mask_reg);
}

static inline int qlcnic_get_diag_lock(struct qlcnic_adapter *adapter)
{
        return test_and_set_bit(__QLCNIC_DIAG_MODE, &adapter->state);
}

static inline void qlcnic_release_diag_lock(struct qlcnic_adapter *adapter)
{
        clear_bit(__QLCNIC_DIAG_MODE, &adapter->state);
}

static inline int qlcnic_check_diag_status(struct qlcnic_adapter *adapter)
{
        return test_bit(__QLCNIC_DIAG_MODE, &adapter->state);
}

extern const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops;
extern const struct ethtool_ops qlcnic_ethtool_ops;
extern const struct ethtool_ops qlcnic_ethtool_failed_ops;

#define QLCDB(adapter, lvl, _fmt, _args...) do {        \
        if (NETIF_MSG_##lvl & adapter->ahw->msg_enable) \
                printk(KERN_INFO "%s: %s: " _fmt,       \
                         dev_name(&adapter->pdev->dev), \
                        __func__, ##_args);             \
        } while (0)

#define PCI_DEVICE_ID_QLOGIC_QLE824X            0x8020
#define PCI_DEVICE_ID_QLOGIC_QLE834X            0x8030
#define PCI_DEVICE_ID_QLOGIC_VF_QLE834X 0x8430
#define PCI_DEVICE_ID_QLOGIC_QLE8830            0x8830
#define PCI_DEVICE_ID_QLOGIC_VF_QLE8C30         0x8C30
#define PCI_DEVICE_ID_QLOGIC_QLE844X            0x8040
#define PCI_DEVICE_ID_QLOGIC_VF_QLE844X 0x8440

static inline bool qlcnic_82xx_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;
        return (device == PCI_DEVICE_ID_QLOGIC_QLE824X) ? true : false;
}

static inline bool qlcnic_84xx_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;

        return ((device == PCI_DEVICE_ID_QLOGIC_QLE844X) ||
                (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X)) ? true : false;
}

static inline bool qlcnic_83xx_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;
        bool status;

        status = ((device == PCI_DEVICE_ID_QLOGIC_QLE834X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_QLE8830) ||
                  (device == PCI_DEVICE_ID_QLOGIC_QLE844X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false;

        return status;
}

static inline bool qlcnic_sriov_pf_check(struct qlcnic_adapter *adapter)
{
        return (adapter->ahw->op_mode == QLCNIC_SRIOV_PF_FUNC) ? true : false;
}

static inline bool qlcnic_sriov_vf_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;
        bool status;

        status = ((device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X) ||
                  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false;

        return status;
}

static inline bool qlcnic_83xx_pf_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;

        return (device == PCI_DEVICE_ID_QLOGIC_QLE834X) ? true : false;
}

static inline bool qlcnic_83xx_vf_check(struct qlcnic_adapter *adapter)
{
        unsigned short device = adapter->pdev->device;

        return ((device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ||
                (device == PCI_DEVICE_ID_QLOGIC_VF_QLE8C30)) ? true : false;
}

static inline bool qlcnic_sriov_check(struct qlcnic_adapter *adapter)
{
        bool status;

        status = (qlcnic_sriov_pf_check(adapter) ||
                  qlcnic_sriov_vf_check(adapter)) ? true : false;

        return status;
}

static inline u32 qlcnic_get_vnic_func_count(struct qlcnic_adapter *adapter)
{
        if (qlcnic_84xx_check(adapter))
                return QLC_84XX_VNIC_COUNT;
        else
                return QLC_DEFAULT_VNIC_COUNT;
}

static inline void qlcnic_swap32_buffer(u32 *buffer, int count)
{
#if defined(__BIG_ENDIAN)
        u32 *tmp = buffer;
        int i;

        for (i = 0; i < count; i++) {
                *tmp = swab32(*tmp);
                tmp++;
        }
#endif
}

#ifdef CONFIG_QLCNIC_HWMON
void qlcnic_register_hwmon_dev(struct qlcnic_adapter *);
void qlcnic_unregister_hwmon_dev(struct qlcnic_adapter *);
#else
static inline void qlcnic_register_hwmon_dev(struct qlcnic_adapter *adapter)
{
        return;
}
static inline void qlcnic_unregister_hwmon_dev(struct qlcnic_adapter *adapter)
{
        return;
}
#endif
#endif                          /* __QLCNIC_H_ */