/*
 * MSGBUF network driver ioctl/indication encoding
 * Broadcom 802.11abg Networking Device Driver
 *
 * Definitions subject to change without notice.
 *
 * Copyright (C) 1999-2019, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: bcmmsgbuf.h 814986 2019-04-15 21:18:21Z $
 */
#ifndef _bcmmsgbuf_h_
#define	_bcmmsgbuf_h_

#include <ethernet.h>
#include <wlioctl.h>
#include <bcmpcie.h>

#define MSGBUF_MAX_MSG_SIZE   ETHER_MAX_LEN

#define D2H_EPOCH_MODULO		253 /* sequence number wrap */
#define D2H_EPOCH_INIT_VAL		(D2H_EPOCH_MODULO + 1)

#define H2D_EPOCH_MODULO		253 /* sequence number wrap */
#define H2D_EPOCH_INIT_VAL		(H2D_EPOCH_MODULO + 1)

#define H2DRING_TXPOST_ITEMSIZE		48
#define H2DRING_RXPOST_ITEMSIZE		32
#define H2DRING_CTRL_SUB_ITEMSIZE	40

#define D2HRING_TXCMPLT_ITEMSIZE	24
#define D2HRING_RXCMPLT_ITEMSIZE	40

#define D2HRING_TXCMPLT_ITEMSIZE_PREREV7	16
#define D2HRING_RXCMPLT_ITEMSIZE_PREREV7	32

#define D2HRING_CTRL_CMPLT_ITEMSIZE	24
#define H2DRING_INFO_BUFPOST_ITEMSIZE	H2DRING_CTRL_SUB_ITEMSIZE
#define D2HRING_INFO_BUFCMPLT_ITEMSIZE	D2HRING_CTRL_CMPLT_ITEMSIZE

#define D2HRING_SNAPSHOT_CMPLT_ITEMSIZE		20

#define H2DRING_TXPOST_MAX_ITEM			512
#define H2DRING_RXPOST_MAX_ITEM			512
#define H2DRING_CTRL_SUB_MAX_ITEM		64
#define D2HRING_TXCMPLT_MAX_ITEM		1024
#define D2HRING_RXCMPLT_MAX_ITEM		512

#define H2DRING_DYNAMIC_INFO_MAX_ITEM          32
#define D2HRING_DYNAMIC_INFO_MAX_ITEM          32

#define D2HRING_EDL_HDR_SIZE			48u
#define D2HRING_EDL_ITEMSIZE			2048u
#define D2HRING_EDL_MAX_ITEM			256u
#define D2HRING_EDL_WATERMARK			(D2HRING_EDL_MAX_ITEM >> 5u)

#define D2HRING_CTRL_CMPLT_MAX_ITEM		64

enum {
	DNGL_TO_HOST_MSGBUF,
	HOST_TO_DNGL_MSGBUF
};

enum {
	HOST_TO_DNGL_TXP_DATA,
	HOST_TO_DNGL_RXP_DATA,
	HOST_TO_DNGL_CTRL,
	DNGL_TO_HOST_DATA,
	DNGL_TO_HOST_CTRL
};

#define MESSAGE_PAYLOAD(a) (a & MSG_TYPE_INTERNAL_USE_START) ? TRUE : FALSE
#define PCIEDEV_FIRMWARE_TSINFO 0x1
#define PCIEDEV_FIRMWARE_TSINFO_FIRST	0x1
#define PCIEDEV_FIRMWARE_TSINFO_MIDDLE	0x2
#define PCIEDEV_BTLOG_POST		0x3
#define PCIEDEV_BT_SNAPSHOT_POST	0x4

#ifdef PCIE_API_REV1

#define BCMMSGBUF_DUMMY_REF(a, b)	do {BCM_REFERENCE((a));BCM_REFERENCE((b));}  while (0)

#define BCMMSGBUF_API_IFIDX(a)		0
#define BCMMSGBUF_API_SEQNUM(a)		0
#define BCMMSGBUF_IOCTL_XTID(a)		0
#define BCMMSGBUF_IOCTL_PKTID(a)	((a)->cmd_id)

#define BCMMSGBUF_SET_API_IFIDX(a, b)	BCMMSGBUF_DUMMY_REF(a, b)
#define BCMMSGBUF_SET_API_SEQNUM(a, b)	BCMMSGBUF_DUMMY_REF(a, b)
#define BCMMSGBUF_IOCTL_SET_PKTID(a, b)	(BCMMSGBUF_IOCTL_PKTID(a) = (b))
#define BCMMSGBUF_IOCTL_SET_XTID(a, b)	BCMMSGBUF_DUMMY_REF(a, b)

#else /* PCIE_API_REV1 */

#define BCMMSGBUF_API_IFIDX(a)		((a)->if_id)
#define BCMMSGBUF_IOCTL_PKTID(a)	((a)->pkt_id)
#define BCMMSGBUF_API_SEQNUM(a)		((a)->u.seq.seq_no)
#define BCMMSGBUF_IOCTL_XTID(a)		((a)->xt_id)

#define BCMMSGBUF_SET_API_IFIDX(a, b)	(BCMMSGBUF_API_IFIDX((a)) = (b))
#define BCMMSGBUF_SET_API_SEQNUM(a, b)	(BCMMSGBUF_API_SEQNUM((a)) = (b))
#define BCMMSGBUF_IOCTL_SET_PKTID(a, b)	(BCMMSGBUF_IOCTL_PKTID((a)) = (b))
#define BCMMSGBUF_IOCTL_SET_XTID(a, b)	(BCMMSGBUF_IOCTL_XTID((a)) = (b))

#endif /* PCIE_API_REV1 */

/* utility data structures */

union addr64 {
	struct {
		uint32 low;
		uint32 high;
	};
	struct {
		uint32 low_addr;
		uint32 high_addr;
	};
	uint64 u64;
} DECLSPEC_ALIGN(8);

typedef union addr64 bcm_addr64_t;

/* IOCTL req Hdr */
/* cmn Msg Hdr */
typedef struct cmn_msg_hdr {
	/** message type */
	uint8 msg_type;
	/** interface index this is valid for */
	uint8 if_id;
	/* flags */
	uint8 flags;
	/** sequence number */
	uint8 epoch;
	/** packet Identifier for the associated host buffer */
	uint32 request_id;
} cmn_msg_hdr_t;

/** message type */
typedef enum bcmpcie_msgtype {
	MSG_TYPE_GEN_STATUS		= 0x1,
	MSG_TYPE_RING_STATUS		= 0x2,
	MSG_TYPE_FLOW_RING_CREATE	= 0x3,
	MSG_TYPE_FLOW_RING_CREATE_CMPLT	= 0x4,
	/* Enum value as copied from BISON 7.15: new generic message */
	MSG_TYPE_RING_CREATE_CMPLT	= 0x4,
	MSG_TYPE_FLOW_RING_DELETE	= 0x5,
	MSG_TYPE_FLOW_RING_DELETE_CMPLT	= 0x6,
	/* Enum value as copied from BISON 7.15: new generic message */
	MSG_TYPE_RING_DELETE_CMPLT	= 0x6,
	MSG_TYPE_FLOW_RING_FLUSH	= 0x7,
	MSG_TYPE_FLOW_RING_FLUSH_CMPLT	= 0x8,
	MSG_TYPE_IOCTLPTR_REQ		= 0x9,
	MSG_TYPE_IOCTLPTR_REQ_ACK	= 0xA,
	MSG_TYPE_IOCTLRESP_BUF_POST	= 0xB,
	MSG_TYPE_IOCTL_CMPLT		= 0xC,
	MSG_TYPE_EVENT_BUF_POST		= 0xD,
	MSG_TYPE_WL_EVENT		= 0xE,
	MSG_TYPE_TX_POST		= 0xF,
	MSG_TYPE_TX_STATUS		= 0x10,
	MSG_TYPE_RXBUF_POST		= 0x11,
	MSG_TYPE_RX_CMPLT		= 0x12,
	MSG_TYPE_LPBK_DMAXFER		= 0x13,
	MSG_TYPE_LPBK_DMAXFER_CMPLT	= 0x14,
	MSG_TYPE_FLOW_RING_RESUME	 = 0x15,
	MSG_TYPE_FLOW_RING_RESUME_CMPLT	= 0x16,
	MSG_TYPE_FLOW_RING_SUSPEND	= 0x17,
	MSG_TYPE_FLOW_RING_SUSPEND_CMPLT	= 0x18,
	MSG_TYPE_INFO_BUF_POST		= 0x19,
	MSG_TYPE_INFO_BUF_CMPLT		= 0x1A,
	MSG_TYPE_H2D_RING_CREATE	= 0x1B,
	MSG_TYPE_D2H_RING_CREATE	= 0x1C,
	MSG_TYPE_H2D_RING_CREATE_CMPLT	= 0x1D,
	MSG_TYPE_D2H_RING_CREATE_CMPLT	= 0x1E,
	MSG_TYPE_H2D_RING_CONFIG	= 0x1F,
	MSG_TYPE_D2H_RING_CONFIG	= 0x20,
	MSG_TYPE_H2D_RING_CONFIG_CMPLT	= 0x21,
	MSG_TYPE_D2H_RING_CONFIG_CMPLT	= 0x22,
	MSG_TYPE_H2D_MAILBOX_DATA	= 0x23,
	MSG_TYPE_D2H_MAILBOX_DATA	= 0x24,
	MSG_TYPE_TIMSTAMP_BUFPOST	= 0x25,
	MSG_TYPE_HOSTTIMSTAMP		= 0x26,
	MSG_TYPE_HOSTTIMSTAMP_CMPLT	= 0x27,
	MSG_TYPE_FIRMWARE_TIMESTAMP	= 0x28,
	MSG_TYPE_SNAPSHOT_UPLOAD	= 0x29,
	MSG_TYPE_SNAPSHOT_CMPLT		= 0x2A,
	MSG_TYPE_H2D_RING_DELETE	= 0x2B,
	MSG_TYPE_D2H_RING_DELETE	= 0x2C,
	MSG_TYPE_H2D_RING_DELETE_CMPLT	= 0x2D,
	MSG_TYPE_D2H_RING_DELETE_CMPLT	= 0x2E,
	MSG_TYPE_API_MAX_RSVD		= 0x3F
} bcmpcie_msg_type_t;

typedef enum bcmpcie_msgtype_int {
	MSG_TYPE_INTERNAL_USE_START	= 0x40,
	MSG_TYPE_EVENT_PYLD		= 0x41,
	MSG_TYPE_IOCT_PYLD		= 0x42,
	MSG_TYPE_RX_PYLD		= 0x43,
	MSG_TYPE_HOST_FETCH		= 0x44,
	MSG_TYPE_LPBK_DMAXFER_PYLD	= 0x45,
	MSG_TYPE_TXMETADATA_PYLD	= 0x46,
	MSG_TYPE_INDX_UPDATE		= 0x47,
	MSG_TYPE_INFO_PYLD		= 0x48,
	MSG_TYPE_TS_EVENT_PYLD		= 0x49,
	MSG_TYPE_PVT_BTLOG_CMPLT	= 0x4A,
	MSG_TYPE_BTLOG_PYLD		= 0x4B,
	MSG_TYPE_HMAPTEST_PYLD		= 0x4C,
	MSG_TYPE_PVT_BT_SNAPSHOT_CMPLT  = 0x4D,
	MSG_TYPE_BT_SNAPSHOT_PYLD       = 0x4E
} bcmpcie_msgtype_int_t;

typedef enum bcmpcie_msgtype_u {
	MSG_TYPE_TX_BATCH_POST		= 0x80,
	MSG_TYPE_IOCTL_REQ		= 0x81,
	MSG_TYPE_HOST_EVNT		= 0x82, /* console related */
	MSG_TYPE_LOOPBACK		= 0x83
} bcmpcie_msgtype_u_t;

/**
 * D2H ring host wakeup soft doorbell, override the PCIE doorbell.
 * Host configures an <32bit address,value> tuple, and dongle uses SBTOPCIE
 * Transl0 to write specified value to host address.
 *
 * Use case: 32bit Address mapped to HW Accelerator Core/Thread Wakeup Register
 * and value is Core/Thread context. Host will ensure routing the 32bit address
 * offerred to PCIE to the mapped register.
 *
 * D2H_RING_CONFIG_SUBTYPE_SOFT_DOORBELL
 */
typedef struct bcmpcie_soft_doorbell {
	uint32	value;  /* host defined value to be written, eg HW threadid */
	bcm_addr64_t haddr; /* host address, eg thread wakeup register address */
	uint16	items;  /* interrupt coalescing: item count before wakeup */
	uint16	msecs;  /* interrupt coalescing: timeout in millisecs */
} bcmpcie_soft_doorbell_t;

/**
 * D2H interrupt using MSI instead of INTX
 * Host configures MSI vector offset for each D2H interrupt
 *
 * D2H_RING_CONFIG_SUBTYPE_MSI_DOORBELL
 */
typedef enum bcmpcie_msi_intr_idx {
	MSI_INTR_IDX_CTRL_CMPL_RING	= 0,
	MSI_INTR_IDX_TXP_CMPL_RING	= 1,
	MSI_INTR_IDX_RXP_CMPL_RING	= 2,
	MSI_INTR_IDX_INFO_CMPL_RING	= 3,
	MSI_INTR_IDX_MAILBOX		= 4,
	MSI_INTR_IDX_MAX		= 5
} bcmpcie_msi_intr_idx_t;

#define BCMPCIE_D2H_MSI_OFFSET_SINGLE	0
typedef enum bcmpcie_msi_offset_type {
	BCMPCIE_D2H_MSI_OFFSET_MB0	= 2,
	BCMPCIE_D2H_MSI_OFFSET_MB1	= 3,
	BCMPCIE_D2H_MSI_OFFSET_DB0	= 4,
	BCMPCIE_D2H_MSI_OFFSET_DB1	= 5,
	BCMPCIE_D2H_MSI_OFFSET_H1_DB0	= 6,
	BCMPCIE_D2H_MSI_OFFSET_MAX	= 7
} bcmpcie_msi_offset_type_t;

typedef struct bcmpcie_msi_offset {
	uint16	intr_idx;    /* interrupt index */
	uint16	msi_offset;  /* msi vector offset */
} bcmpcie_msi_offset_t;

typedef struct bcmpcie_msi_offset_config {
	uint32	len;
	bcmpcie_msi_offset_t	bcmpcie_msi_offset[MSI_INTR_IDX_MAX];
} bcmpcie_msi_offset_config_t;

#define BCMPCIE_D2H_MSI_OFFSET_DEFAULT	BCMPCIE_D2H_MSI_OFFSET_DB1

#define BCMPCIE_D2H_MSI_SINGLE		0xFFFE

/* if_id */
#define BCMPCIE_CMNHDR_IFIDX_PHYINTF_SHFT	5
#define BCMPCIE_CMNHDR_IFIDX_PHYINTF_MAX	0x7
#define BCMPCIE_CMNHDR_IFIDX_PHYINTF_MASK	\
	(BCMPCIE_CMNHDR_IFIDX_PHYINTF_MAX << BCMPCIE_CMNHDR_IFIDX_PHYINTF_SHFT)
#define BCMPCIE_CMNHDR_IFIDX_VIRTINTF_SHFT	0
#define BCMPCIE_CMNHDR_IFIDX_VIRTINTF_MAX	0x1F
#define BCMPCIE_CMNHDR_IFIDX_VIRTINTF_MASK	\
	(BCMPCIE_CMNHDR_IFIDX_PHYINTF_MAX << BCMPCIE_CMNHDR_IFIDX_PHYINTF_SHFT)

/* flags */
#define BCMPCIE_CMNHDR_FLAGS_DMA_R_IDX		0x1
#define BCMPCIE_CMNHDR_FLAGS_DMA_R_IDX_INTR	0x2
#define BCMPCIE_CMNHDR_FLAGS_TS_SEQNUM_INIT	0x4
#define BCMPCIE_CMNHDR_FLAGS_PHASE_BIT		0x80
#define BCMPCIE_CMNHDR_PHASE_BIT_INIT		0x80

/* IOCTL request message */
typedef struct ioctl_req_msg {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;
	/** ioctl command type */
	uint32		cmd;
	/** ioctl transaction ID, to pair with a ioctl response */
	uint16		trans_id;
	/** input arguments buffer len */
	uint16		input_buf_len;
	/** expected output len */
	uint16		output_buf_len;
	/** to align the host address on 8 byte boundary */
	uint16		rsvd[3];
	/** always align on 8 byte boundary */
	bcm_addr64_t	host_input_buf_addr;
	/* rsvd */
	uint32		rsvd1[2];
} ioctl_req_msg_t;

/** buffer post messages for device to use to return IOCTL responses, Events */
typedef struct ioctl_resp_evt_buf_post_msg {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;
	/** length of the host buffer supplied */
	uint16		host_buf_len;
	/** to align the host address on 8 byte boundary */
	uint16		reserved[3];
	/** always align on 8 byte boundary */
	bcm_addr64_t	host_buf_addr;
	uint32		rsvd[4];
} ioctl_resp_evt_buf_post_msg_t;

/* buffer post messages for device to use to return dbg buffers */
typedef ioctl_resp_evt_buf_post_msg_t info_buf_post_msg_t;

#define DHD_INFOBUF_RX_BUFPOST_PKTSZ	(2 * 1024)

#define DHD_BTLOG_RX_BUFPOST_PKTSZ	(2 * 1024)

/* An infobuf host buffer starts with a 32 bit (LE) version. */
#define PCIE_INFOBUF_V1                1
/* Infobuf v1 type MSGTRACE's data is exactly the same as the MSGTRACE data that
 * is wrapped previously/also in a WLC_E_TRACE event.  See structure
 * msgrace_hdr_t in msgtrace.h.
*/
#define PCIE_INFOBUF_V1_TYPE_MSGTRACE  1

/* Infobuf v1 type LOGTRACE data is exactly the same as the LOGTRACE data that
 * is wrapped previously/also in a WLC_E_TRACE event.  See structure
 * msgrace_hdr_t in msgtrace.h.  (The only difference between a MSGTRACE
 * and a LOGTRACE is the "trace type" field.)
*/
#define PCIE_INFOBUF_V1_TYPE_LOGTRACE  2

/* An infobuf version 1 host buffer has a single TLV.  The information on the
 * version 1 types follow this structure definition. (int's LE)
*/
typedef struct info_buf_payload_hdr_s {
	uint16 type;
	uint16 length;
} info_buf_payload_hdr_t;

/* BT logs/memory to DMA directly from BT memory to host */
typedef struct info_buf_btlog_s {
	void (*status_cb)(void *ctx, void *p, int error);	/* obsolete - to be removed */
	void *ctx;
	dma64addr_t src_addr;
	uint32 length;
	bool (*pcie_status_cb)(osl_t *osh, void *p, int error);
	uint32 bt_intstatus;
	int error;
} info_buf_btlog_t;

/** snapshot upload request message  */
typedef struct snapshot_upload_request_msg {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;
	/** length of the snaphost buffer supplied */
	uint32		snapshot_buf_len;
	/** type of snapshot */
	uint8		snapshot_type;
	/** snapshot param    */
	uint8		snapshot_param;
	/** to align the host address on 8 byte boundary */
	uint8		reserved[2];
	/** always align on 8 byte boundary */
	bcm_addr64_t	host_buf_addr;
	uint32		rsvd[4];
} snapshot_upload_request_msg_t;

/** snapshot types  */
typedef enum bcmpcie_snapshot_type {
	SNAPSHOT_TYPE_BT		= 0,	/* Bluetooth SRAM and patch RAM */
	SNAPSHOT_TYPE_WLAN_SOCRAM	= 1,	/* WLAN SOCRAM */
	SNAPSHOT_TYPE_WLAN_HEAP		= 2,	/* WLAN HEAP */
	SNAPSHOT_TYPE_WLAN_REGISTER	= 3	/* WLAN registers */
} bcmpcie_snapshot_type_t;

#define PCIE_DMA_XFER_FLG_D11_LPBK_MASK		0xF
#define PCIE_DMA_XFER_FLG_D11_LPBK_SHIFT	2
#define PCIE_DMA_XFER_FLG_CORE_NUMBER_MASK	3
#define PCIE_DMA_XFER_FLG_CORE_NUMBER_SHIFT	0

typedef struct pcie_dma_xfer_params {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;

	/** always align on 8 byte boundary */
	bcm_addr64_t	host_input_buf_addr;

	/** always align on 8 byte boundary */
	bcm_addr64_t	host_ouput_buf_addr;

	/** length of transfer */
	uint32		xfer_len;
	/** delay before doing the src txfer */
	uint32		srcdelay;
	/** delay before doing the dest txfer */
	uint32		destdelay;
	uint8		rsvd[3];
	/* bit0: D11 DMA loopback flag */
	uint8		flags;
} pcie_dma_xfer_params_t;

#define BCMPCIE_FLOW_RING_INTF_HP2P 0x1
/** Complete msgbuf hdr for flow ring update from host to dongle */
typedef struct tx_flowring_create_request {
	cmn_msg_hdr_t   msg;
	uint8	da[ETHER_ADDR_LEN];
	uint8	sa[ETHER_ADDR_LEN];
	uint8	tid;
	uint8	if_flags;
	uint16	flow_ring_id;
	uint8	tc;
	/* priority_ifrmmask is to define core mask in ifrm mode.
	 * currently it is not used for priority. so uses solely for ifrm mask
	 */
	uint8	priority_ifrmmask;
	uint16	int_vector;
	uint16	max_items;
	uint16	len_item;
	bcm_addr64_t flow_ring_ptr;
} tx_flowring_create_request_t;

typedef struct tx_flowring_delete_request {
	cmn_msg_hdr_t   msg;
	uint16	flow_ring_id;
	uint16	reason;
	uint32	rsvd[7];
} tx_flowring_delete_request_t;

typedef tx_flowring_delete_request_t d2h_ring_delete_req_t;
typedef tx_flowring_delete_request_t h2d_ring_delete_req_t;

typedef struct tx_flowring_flush_request {
	cmn_msg_hdr_t   msg;
	uint16	flow_ring_id;
	uint16	reason;
	uint32	rsvd[7];
} tx_flowring_flush_request_t;

/** Subtypes for ring_config_req control message */
typedef enum ring_config_subtype {
	/** Default D2H PCIE doorbell override using ring_config_req msg */
	D2H_RING_CONFIG_SUBTYPE_SOFT_DOORBELL = 1, /* Software doorbell */
	D2H_RING_CONFIG_SUBTYPE_MSI_DOORBELL = 2   /* MSI configuration */
} ring_config_subtype_t;

typedef struct ring_config_req {
	cmn_msg_hdr_t	msg;
	uint16	subtype;
	uint16	ring_id;
	uint32	rsvd;
	union {
		uint32  data[6];
		/** D2H_RING_CONFIG_SUBTYPE_SOFT_DOORBELL */
		bcmpcie_soft_doorbell_t soft_doorbell;
		/** D2H_RING_CONFIG_SUBTYPE_MSI_DOORBELL */
		bcmpcie_msi_offset_config_t msi_offset;
	};
} ring_config_req_t;

/* data structure to use to create on the fly d2h rings */
typedef struct d2h_ring_create_req {
	cmn_msg_hdr_t	msg;
	uint16	ring_id;
	uint16	ring_type;
	uint32	flags;
	bcm_addr64_t	ring_ptr;
	uint16	max_items;
	uint16	len_item;
	uint32	rsvd[3];
} d2h_ring_create_req_t;

/* data structure to use to create on the fly h2d rings */
#define MAX_COMPLETION_RING_IDS_ASSOCIATED	4
typedef struct h2d_ring_create_req {
	cmn_msg_hdr_t	msg;
	uint16	ring_id;
	uint8	ring_type;
	uint8	n_completion_ids;
	uint32	flags;
	bcm_addr64_t	ring_ptr;
	uint16	max_items;
	uint16	len_item;
	uint16	completion_ring_ids[MAX_COMPLETION_RING_IDS_ASSOCIATED];
	uint32	rsvd;
} h2d_ring_create_req_t;

typedef struct d2h_ring_config_req {
	cmn_msg_hdr_t   msg;
	uint16	d2h_ring_config_subtype;
	uint16	d2h_ring_id;
	uint32  d2h_ring_config_data[4];
	uint32  rsvd[3];
} d2h_ring_config_req_t;

typedef struct h2d_ring_config_req {
	cmn_msg_hdr_t   msg;
	uint16	h2d_ring_config_subtype;
	uint16	h2d_ring_id;
	uint32  h2d_ring_config_data;
	uint32  rsvd[6];
} h2d_ring_config_req_t;

typedef struct h2d_mailbox_data {
	cmn_msg_hdr_t   msg;
	uint32	mail_box_data;
	uint32  rsvd[7];
} h2d_mailbox_data_t;
typedef struct host_timestamp_msg {
	cmn_msg_hdr_t	msg;
	uint16		xt_id; /* transaction ID */
	uint16		input_data_len; /* data len at the host_buf_addr, data in TLVs */
	uint16		seqnum; /* number of times host captured the timestamp */
	uint16		rsvd;
	/* always align on 8 byte boundary */
	bcm_addr64_t	host_buf_addr;
	/* rsvd */
	uint32      rsvd1[4];
} host_timestamp_msg_t;

/* buffer post message for timestamp events MSG_TYPE_TIMSTAMP_BUFPOST */
typedef ioctl_resp_evt_buf_post_msg_t ts_buf_post_msg_t;

typedef union ctrl_submit_item {
	ioctl_req_msg_t			ioctl_req;
	ioctl_resp_evt_buf_post_msg_t	resp_buf_post;
	pcie_dma_xfer_params_t		dma_xfer;
	tx_flowring_create_request_t	flow_create;
	tx_flowring_delete_request_t	flow_delete;
	tx_flowring_flush_request_t	flow_flush;
	ring_config_req_t		ring_config_req;
	d2h_ring_create_req_t		d2h_create;
	h2d_ring_create_req_t		h2d_create;
	d2h_ring_config_req_t		d2h_config;
	h2d_ring_config_req_t		h2d_config;
	h2d_mailbox_data_t		h2d_mailbox_data;
	host_timestamp_msg_t		host_ts;
	ts_buf_post_msg_t		ts_buf_post;
	d2h_ring_delete_req_t		d2h_delete;
	h2d_ring_delete_req_t		h2d_delete;
	unsigned char			check[H2DRING_CTRL_SUB_ITEMSIZE];
} ctrl_submit_item_t;

typedef struct info_ring_submit_item {
	info_buf_post_msg_t		info_buf_post;
	unsigned char			check[H2DRING_INFO_BUFPOST_ITEMSIZE];
} info_sumbit_item_t;

/** Control Completion messages (20 bytes) */
typedef struct compl_msg_hdr {
	union {
		/** status for the completion */
		int16	status;

		/* mutually exclusive with pkt fate debug feature */
		struct pktts_compl_hdr {
			uint16 d_t4; /* Delta TimeStamp 3: T4-tref */
		} tx_pktts;
	};
	/** submisison flow ring id which generated this status */
	union {
	    uint16	ring_id;
	    uint16	flow_ring_id;
	};
} compl_msg_hdr_t;

/** XOR checksum or a magic number to audit DMA done */
typedef uint32 dma_done_t;

#define MAX_CLKSRC_ID	0xF
#define TX_PKT_RETRY_CNT_0_MASK		0x000000FF
#define TX_PKT_RETRY_CNT_0_SHIFT	0
#define TX_PKT_RETRY_CNT_1_MASK		0x0000FF00
#define TX_PKT_RETRY_CNT_1_SHIFT	8
#define TX_PKT_RETRY_CNT_2_MASK		0x00FF0000
#define TX_PKT_RETRY_CNT_2_SHIFT	16
#define TX_PKT_BAND_INFO		0x0F000000
#define TX_PKT_BAND_INFO_SHIFT		24
#define TX_PKT_VALID_INFO		0xF0000000
#define TX_PKT_VALID_INFO_SHIFT		28

typedef struct ts_timestamp_srcid {
	union {
		uint32	ts_low; /* time stamp low 32 bits */
		uint32  rate_spec; /* use ratespec */
	};
	union {
		uint32  ts_high; /* time stamp high 28 bits */
		union {
			uint32  ts_high_ext :28; /* time stamp high 28 bits */
			uint32  clk_id_ext :3; /* clock ID source  */
			uint32  phase :1; /* Phase bit */
			dma_done_t	marker_ext;
		};
		uint32 tx_pkt_band_retry_info;
	};
} ts_timestamp_srcid_t;

typedef ts_timestamp_srcid_t ipc_timestamp_t;

typedef struct ts_timestamp {
	uint32	low;
	uint32	high;
} ts_timestamp_t;

typedef ts_timestamp_t tick_count_64_t;
typedef ts_timestamp_t ts_timestamp_ns_64_t;
typedef ts_timestamp_t ts_correction_m_t;
typedef ts_timestamp_t ts_correction_b_t;

typedef struct _pktts {
	uint32 tref; /* Ref Clk in uSec (currently, tsf) */
	uint16 d_t2; /* Delta TimeStamp 1: T2-tref */
	uint16 d_t3; /* Delta TimeStamp 2: T3-tref */
} pktts_t;

/* completion header status codes */
#define	BCMPCIE_SUCCESS			0
#define BCMPCIE_NOTFOUND		1
#define BCMPCIE_NOMEM			2
#define BCMPCIE_BADOPTION		3
#define BCMPCIE_RING_IN_USE		4
#define BCMPCIE_RING_ID_INVALID		5
#define BCMPCIE_PKT_FLUSH		6
#define BCMPCIE_NO_EVENT_BUF		7
#define BCMPCIE_NO_RX_BUF		8
#define BCMPCIE_NO_IOCTLRESP_BUF	9
#define BCMPCIE_MAX_IOCTLRESP_BUF	10
#define BCMPCIE_MAX_EVENT_BUF		11
#define BCMPCIE_BAD_PHASE		12
#define BCMPCIE_INVALID_CPL_RINGID	13
#define BCMPCIE_RING_TYPE_INVALID	14
#define BCMPCIE_NO_TS_EVENT_BUF		15
#define BCMPCIE_MAX_TS_EVENT_BUF	16
#define BCMPCIE_PCIE_NO_BTLOG_BUF	17
#define BCMPCIE_BT_DMA_ERR		18
#define BCMPCIE_BT_DMA_DESCR_FETCH_ERR	19
#define BCMPCIE_SNAPSHOT_ERR		20
#define BCMPCIE_NOT_READY		21
#define BCMPCIE_INVALID_DATA		22
#define BCMPCIE_NO_RESPONSE		23
#define BCMPCIE_NO_CLOCK		24

/** IOCTL completion response */
typedef struct ioctl_compl_resp_msg {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	/** response buffer len where a host buffer is involved */
	uint16			resp_len;
	/** transaction id to pair with a request */
	uint16			trans_id;
	/** cmd id */
	uint32			cmd;
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} ioctl_comp_resp_msg_t;

/** IOCTL request acknowledgement */
typedef struct ioctl_req_ack_msg {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	/** cmd id */
	uint32			cmd;
	uint32			rsvd;
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} ioctl_req_ack_msg_t;

/** WL event message: send from device to host */
typedef struct wlevent_req_msg {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	/** event data len valid with the event buffer */
	uint16			event_data_len;
	/** sequence number */
	uint16			seqnum;
	/** rsvd	*/
	uint32			rsvd;
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} wlevent_req_msg_t;

/** dma xfer complete message */
typedef struct pcie_dmaxfer_cmplt {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	uint32			rsvd[2];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} pcie_dmaxfer_cmplt_t;

/** general status message */
typedef struct pcie_gen_status {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	uint32			rsvd[2];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} pcie_gen_status_t;

/** ring status message */
typedef struct pcie_ring_status {
	/** common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t		compl_hdr;
	/** message which firmware couldn't decode */
	uint16			write_idx;
	uint16			rsvd[3];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} pcie_ring_status_t;

typedef struct ring_create_response {
	cmn_msg_hdr_t		cmn_hdr;
	compl_msg_hdr_t		cmplt;
	uint32			rsvd[2];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} ring_create_response_t;

typedef ring_create_response_t tx_flowring_create_response_t;
typedef ring_create_response_t h2d_ring_create_response_t;
typedef ring_create_response_t d2h_ring_create_response_t;

typedef struct tx_flowring_delete_response {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t		cmplt;
	uint16			read_idx;
	uint16			rsvd[3];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} tx_flowring_delete_response_t;

typedef tx_flowring_delete_response_t	h2d_ring_delete_response_t;
typedef tx_flowring_delete_response_t	d2h_ring_delete_response_t;

typedef struct tx_flowring_flush_response {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t		cmplt;
	uint32			rsvd[2];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} tx_flowring_flush_response_t;

/** Common layout of all d2h control messages */
typedef struct ctrl_compl_msg {
	/** common message header */
	cmn_msg_hdr_t       cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t     compl_hdr;
	uint32          rsvd[2];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t      marker;
} ctrl_compl_msg_t;

typedef struct ring_config_resp {
	/** common message header */
	cmn_msg_hdr_t       cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t     compl_hdr;
	uint16		subtype;
	uint16          rsvd[3];
	/** XOR checksum or a magic number to audit DMA done */
	dma_done_t      marker;
} ring_config_resp_t;

typedef struct d2h_mailbox_data {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t		cmplt;
	uint32			d2h_mailbox_data;
	uint32			rsvd[1];
	/* XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} d2h_mailbox_data_t;

/* dbg buf completion msg: send from device to host */
typedef struct info_buf_resp {
	/* common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/* completion message header */
	compl_msg_hdr_t		compl_hdr;
	/* event data len valid with the event buffer */
	uint16			info_data_len;
	/* sequence number */
	uint16			seqnum;
	/* destination */
	uint8			dest;
	/* rsvd	*/
	uint8			rsvd[3];
	/* XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} info_buf_resp_t;

/* snapshot completion msg: send from device to host */
typedef struct snapshot_resp {
	/* common message header */
	cmn_msg_hdr_t		cmn_hdr;
	/* completion message header */
	compl_msg_hdr_t		compl_hdr;
	/* snapshot length uploaded */
	uint32			resp_len;
	/* snapshot type */
	uint8			type;
	/* rsvd	*/
	uint8			rsvd[3];
	/* XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} snapshot_resp_t;

typedef struct info_ring_cpl_item {
	info_buf_resp_t		info_buf_post;
	unsigned char		check[D2HRING_INFO_BUFCMPLT_ITEMSIZE];
} info_cpl_item_t;

typedef struct host_timestamp_msg_cpl {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t cmplt;
	uint16			xt_id; /* transaction ID */
	uint16			rsvd;
	uint32			rsvd1;
	/* XOR checksum or a magic number to audit DMA done */
	dma_done_t      marker;
} host_timestamp_msg_cpl_t;

typedef struct fw_timestamp_event_msg {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t cmplt;
	/* fw captures time stamp info and passed that to host in TLVs */
	uint16			buf_len; /* length of the time stamp data copied in host buf */
	uint16			seqnum; /* number of times fw captured time stamp */
	uint32			rsvd;
	/* XOR checksum or a magic number to audit DMA done */
	dma_done_t		marker;
} fw_timestamp_event_msg_t;

typedef union ctrl_completion_item {
	ioctl_comp_resp_msg_t		ioctl_resp;
	wlevent_req_msg_t		event;
	ioctl_req_ack_msg_t		ioct_ack;
	pcie_dmaxfer_cmplt_t		pcie_xfer_cmplt;
	pcie_gen_status_t		pcie_gen_status;
	pcie_ring_status_t		pcie_ring_status;
	tx_flowring_create_response_t	txfl_create_resp;
	tx_flowring_delete_response_t	txfl_delete_resp;
	tx_flowring_flush_response_t	txfl_flush_resp;
	ctrl_compl_msg_t		ctrl_compl;
	ring_config_resp_t		ring_config_resp;
	d2h_mailbox_data_t		d2h_mailbox_data;
	info_buf_resp_t			dbg_resp;
	h2d_ring_create_response_t	h2d_ring_create_resp;
	d2h_ring_create_response_t	d2h_ring_create_resp;
	host_timestamp_msg_cpl_t	host_ts_cpl;
	fw_timestamp_event_msg_t	fw_ts_event;
	h2d_ring_delete_response_t	h2d_ring_delete_resp;
	d2h_ring_delete_response_t	d2h_ring_delete_resp;
	unsigned char			ctrl_response[D2HRING_CTRL_CMPLT_ITEMSIZE];
} ctrl_completion_item_t;

/** H2D Rxpost ring work items */
typedef struct host_rxbuf_post {
	/** common message header */
	cmn_msg_hdr_t   cmn_hdr;
	/** provided meta data buffer len */
	uint16		metadata_buf_len;
	/** provided data buffer len to receive data */
	uint16		data_buf_len;
	/** alignment to make the host buffers start on 8 byte boundary */
	uint32		rsvd;
	/** provided meta data buffer */
	bcm_addr64_t	metadata_buf_addr;
	/** provided data buffer to receive data */
	bcm_addr64_t	data_buf_addr;
} host_rxbuf_post_t;

typedef union rxbuf_submit_item {
	host_rxbuf_post_t	rxpost;
	unsigned char		check[H2DRING_RXPOST_ITEMSIZE];
} rxbuf_submit_item_t;

/* D2H Rxcompletion ring work items for IPC rev7 */
typedef struct host_rxbuf_cmpl {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t	compl_hdr;
	/**  filled up meta data len */
	uint16		metadata_len;
	/** filled up buffer len to receive data */
	uint16		data_len;
	/** offset in the host rx buffer where the data starts */
	uint16		data_offset;
	/** offset in the host rx buffer where the data starts */
	uint16		flags;
	/** rx status */
	uint32		rx_status_0;
	uint32		rx_status_1;

	union { /* size per IPC = (3 x uint32) bytes */
		struct {
			/* used by Monitor mode */
			uint32 marker;
			/* timestamp */
			ipc_timestamp_t ts;
		};

		/* LatTS_With_XORCSUM */
		struct {
			/* latency timestamp */
			pktts_t rx_pktts;
			/* XOR checksum or a magic number to audit DMA done */
			dma_done_t marker_ext;
		};
	};
} host_rxbuf_cmpl_t;

typedef union rxbuf_complete_item {
	host_rxbuf_cmpl_t	rxcmpl;
	unsigned char		check[D2HRING_RXCMPLT_ITEMSIZE];
} rxbuf_complete_item_t;

typedef struct host_txbuf_post {
	/** common message header */
	cmn_msg_hdr_t   cmn_hdr;
	/** eth header */
	uint8		txhdr[ETHER_HDR_LEN];
	/** flags */
	uint8		flags;
	/** number of segments */
	uint8		seg_cnt;

	/** provided meta data buffer for txstatus */
	bcm_addr64_t	metadata_buf_addr;
	/** provided data buffer to receive data */
	bcm_addr64_t	data_buf_addr;
	/** provided meta data buffer len */
	uint16		metadata_buf_len;
	/** provided data buffer len to receive data */
	uint16		data_len;
	union {
		struct {
			/** extended transmit flags */
			uint8 ext_flags;
			uint8 scale_factor;

			/** user defined rate */
			uint8 rate;
			uint8 exp_time;
		};
		/** XOR checksum or a magic number to audit DMA done */
		dma_done_t	marker;
	};
} host_txbuf_post_t;

#define BCMPCIE_PKT_FLAGS_FRAME_802_3	0x01
#define BCMPCIE_PKT_FLAGS_FRAME_802_11	0x02

#define BCMPCIE_PKT_FLAGS_FRAME_NORETRY		0x01	/* Disable retry on this frame */
#define BCMPCIE_PKT_FLAGS_FRAME_NOAGGR		0x02	/* Disable aggregation for this frame */
#define BCMPCIE_PKT_FLAGS_FRAME_UDR		0x04	/* User defined rate for this frame */
#define BCMPCIE_PKT_FLAGS_FRAME_ATTR_MASK	0x07	/* Attribute mask */

#define BCMPCIE_PKT_FLAGS_FRAME_EXEMPT_MASK	0x03	/* Exempt uses 2 bits */
#define BCMPCIE_PKT_FLAGS_FRAME_EXEMPT_SHIFT	0x02	/* needs to be shifted past other bits */

#define BCMPCIE_PKT_FLAGS_EPOCH_SHIFT           3u
#define BCMPCIE_PKT_FLAGS_EPOCH_MASK            (1u << BCMPCIE_PKT_FLAGS_EPOCH_SHIFT)

#define BCMPCIE_PKT_FLAGS_PRIO_SHIFT		5
#define BCMPCIE_PKT_FLAGS_PRIO_MASK		(7 << BCMPCIE_PKT_FLAGS_PRIO_SHIFT)
#define BCMPCIE_PKT_FLAGS_MONITOR_NO_AMSDU	0x00
#define BCMPCIE_PKT_FLAGS_MONITOR_FIRST_PKT	0x01
#define BCMPCIE_PKT_FLAGS_MONITOR_INTER_PKT	0x02
#define BCMPCIE_PKT_FLAGS_MONITOR_LAST_PKT	0x03
#define BCMPCIE_PKT_FLAGS_MONITOR_SHIFT		8
#define BCMPCIE_PKT_FLAGS_MONITOR_MASK		(3 << BCMPCIE_PKT_FLAGS_MONITOR_SHIFT)

/* These are added to fix up compile issues */
#define BCMPCIE_TXPOST_FLAGS_FRAME_802_3	BCMPCIE_PKT_FLAGS_FRAME_802_3
#define BCMPCIE_TXPOST_FLAGS_FRAME_802_11	BCMPCIE_PKT_FLAGS_FRAME_802_11
#define BCMPCIE_TXPOST_FLAGS_PRIO_SHIFT		BCMPCIE_PKT_FLAGS_PRIO_SHIFT
#define BCMPCIE_TXPOST_FLAGS_PRIO_MASK		BCMPCIE_PKT_FLAGS_PRIO_MASK

/* H2D Txpost ring work items */
typedef union txbuf_submit_item {
	host_txbuf_post_t	txpost;
	unsigned char		check[H2DRING_TXPOST_ITEMSIZE];
} txbuf_submit_item_t;

/* D2H Txcompletion ring work items - extended for IOC rev7 */
typedef struct host_txbuf_cmpl {
	/** common message header */
	cmn_msg_hdr_t	cmn_hdr;
	/** completion message header */
	compl_msg_hdr_t	compl_hdr;

	union { /* size per IPC = (3 x uint32) bytes */
		/* Usage 1: TxS_With_TimeSync */
		struct {
			 struct {
				union {
					/** provided meta data len */
					uint16	metadata_len;
					/** provided extended TX status */
					uint16	tx_status_ext;
				}; /*Ext_TxStatus */

				/** WLAN side txstatus */
				uint16	tx_status;
			}; /* TxS */
			/* timestamp */
			ipc_timestamp_t ts;
		}; /* TxS_with_TS */

		/* Usage 2: LatTS_With_XORCSUM */
		struct {
			/* latency timestamp */
			pktts_t tx_pktts;
			/* XOR checksum or a magic number to audit DMA done */
			dma_done_t marker_ext;
		};
	};

} host_txbuf_cmpl_t;

typedef union txbuf_complete_item {
	host_txbuf_cmpl_t	txcmpl;
	unsigned char		check[D2HRING_TXCMPLT_ITEMSIZE];
} txbuf_complete_item_t;

#define PCIE_METADATA_VER 1u

/* version and length are not part of this structure.
 * dhd queries version and length through bus iovar "bus:metadata_info".
 */
struct metadata_txcmpl_v1 {
	uint32 tref; /* TSF or Ref Clock in uSecs */
	uint16 d_t2; /* T2-fwt1 delta */
	uint16 d_t3; /* T3-fwt1 delta */
	uint16 d_t4; /* T4-fwt1 delta */
	uint16 rsvd; /* reserved */
};
typedef struct metadata_txcmpl_v1 metadata_txcmpl_t;

#define BCMPCIE_D2H_METADATA_HDRLEN	4
#define BCMPCIE_D2H_METADATA_MINLEN	(BCMPCIE_D2H_METADATA_HDRLEN + 4)

/** ret buf struct */
typedef struct ret_buf_ptr {
	uint32 low_addr;
	uint32 high_addr;
} ret_buf_t;

#ifdef PCIE_API_REV1

/* ioctl specific hdr */
typedef struct ioctl_hdr {
	uint16		cmd;
	uint16		retbuf_len;
	uint32		cmd_id;
} ioctl_hdr_t;

typedef struct ioctlptr_hdr {
	uint16		cmd;
	uint16		retbuf_len;
	uint16		buflen;
	uint16		rsvd;
	uint32		cmd_id;
} ioctlptr_hdr_t;

#else /* PCIE_API_REV1 */

typedef struct ioctl_req_hdr {
	uint32		pkt_id;	/**< Packet ID */
	uint32		cmd;	/**< IOCTL ID */
	uint16		retbuf_len;
	uint16		buflen;
	uint16		xt_id;	/**< transaction ID */
	uint16		rsvd[1];
} ioctl_req_hdr_t;

#endif /* PCIE_API_REV1 */

/** Complete msgbuf hdr for ioctl from host to dongle */
typedef struct ioct_reqst_hdr {
	cmn_msg_hdr_t msg;
#ifdef PCIE_API_REV1
	ioctl_hdr_t ioct_hdr;
#else
	ioctl_req_hdr_t ioct_hdr;
#endif // endif
	ret_buf_t ret_buf;
} ioct_reqst_hdr_t;

typedef struct ioctptr_reqst_hdr {
	cmn_msg_hdr_t msg;
#ifdef PCIE_API_REV1
	ioctlptr_hdr_t ioct_hdr;
#else
	ioctl_req_hdr_t ioct_hdr;
#endif // endif
	ret_buf_t ret_buf;
	ret_buf_t ioct_buf;
} ioctptr_reqst_hdr_t;

/** ioctl response header */
typedef struct ioct_resp_hdr {
	cmn_msg_hdr_t   msg;
#ifdef PCIE_API_REV1
	uint32	cmd_id;
#else
	uint32	pkt_id;
#endif // endif
	uint32	status;
	uint32	ret_len;
	uint32  inline_data;
#ifdef PCIE_API_REV1
#else
	uint16	xt_id;	/**< transaction ID */
	uint16	rsvd[1];
#endif // endif
} ioct_resp_hdr_t;

/* ioct resp header used in dongle */
/* ret buf hdr will be stripped off inside dongle itself */
typedef struct msgbuf_ioctl_resp {
	ioct_resp_hdr_t	ioct_hdr;
	ret_buf_t	ret_buf;	/**< ret buf pointers */
} msgbuf_ioct_resp_t;

/** WL event hdr info */
typedef struct wl_event_hdr {
	cmn_msg_hdr_t   msg;
	uint16 event;
	uint8 flags;
	uint8 rsvd;
	uint16 retbuf_len;
	uint16 rsvd1;
	uint32 rxbufid;
} wl_event_hdr_t;

#define TXDESCR_FLOWID_PCIELPBK_1	0xFF
#define TXDESCR_FLOWID_PCIELPBK_2	0xFE

typedef struct txbatch_lenptr_tup {
	uint32 pktid;
	uint16 pktlen;
	uint16 rsvd;
	ret_buf_t	ret_buf;	/**< ret buf pointers */
} txbatch_lenptr_tup_t;

typedef struct txbatch_cmn_msghdr {
	cmn_msg_hdr_t   msg;
	uint8 priority;
	uint8 hdrlen;
	uint8 pktcnt;
	uint8 flowid;
	uint8 txhdr[ETHER_HDR_LEN];
	uint16 rsvd;
} txbatch_cmn_msghdr_t;

typedef struct txbatch_msghdr {
	txbatch_cmn_msghdr_t txcmn;
	txbatch_lenptr_tup_t tx_tup[0]; /**< Based on packet count */
} txbatch_msghdr_t;

/* TX desc posting header */
typedef struct tx_lenptr_tup {
	uint16 pktlen;
	uint16 rsvd;
	ret_buf_t	ret_buf;	/**< ret buf pointers */
} tx_lenptr_tup_t;

typedef struct txdescr_cmn_msghdr {
	cmn_msg_hdr_t   msg;
	uint8 priority;
	uint8 hdrlen;
	uint8 descrcnt;
	uint8 flowid;
	uint32 pktid;
} txdescr_cmn_msghdr_t;

typedef struct txdescr_msghdr {
	txdescr_cmn_msghdr_t txcmn;
	uint8 txhdr[ETHER_HDR_LEN];
	uint16 rsvd;
	tx_lenptr_tup_t tx_tup[0];	/**< Based on descriptor count */
} txdescr_msghdr_t;

/** Tx status header info */
typedef struct txstatus_hdr {
	cmn_msg_hdr_t   msg;
	uint32 pktid;
} txstatus_hdr_t;

/** RX bufid-len-ptr tuple */
typedef struct rx_lenptr_tup {
	uint32 rxbufid;
	uint16 len;
	uint16 rsvd2;
	ret_buf_t	ret_buf;	/**< ret buf pointers */
} rx_lenptr_tup_t;

/** Rx descr Post hdr info */
typedef struct rxdesc_msghdr {
	cmn_msg_hdr_t   msg;
	uint16 rsvd0;
	uint8 rsvd1;
	uint8 descnt;
	rx_lenptr_tup_t rx_tup[0];
} rxdesc_msghdr_t;

/** RX complete tuples */
typedef struct rxcmplt_tup {
	uint16 retbuf_len;
	uint16 data_offset;
	uint32 rxstatus0;
	uint32 rxstatus1;
	uint32 rxbufid;
} rxcmplt_tup_t;

/** RX complete messge hdr */
typedef struct rxcmplt_hdr {
	cmn_msg_hdr_t   msg;
	uint16 rsvd0;
	uint16 rxcmpltcnt;
	rxcmplt_tup_t rx_tup[0];
} rxcmplt_hdr_t;

typedef struct hostevent_hdr {
	cmn_msg_hdr_t   msg;
	uint32 evnt_pyld;
} hostevent_hdr_t;

typedef struct dma_xfer_params {
	uint32 src_physaddr_hi;
	uint32 src_physaddr_lo;
	uint32 dest_physaddr_hi;
	uint32 dest_physaddr_lo;
	uint32 len;
	uint32 srcdelay;
	uint32 destdelay;
} dma_xfer_params_t;

enum {
	HOST_EVENT_CONS_CMD = 1
};

/* defines for flags */
#define MSGBUF_IOC_ACTION_MASK 0x1

#define MAX_SUSPEND_REQ 15

typedef struct tx_idle_flowring_suspend_request {
	cmn_msg_hdr_t   msg;
	uint16	ring_id[MAX_SUSPEND_REQ];      /* ring Id's */
	uint16	num;	/* number of flowid's to suspend */
} tx_idle_flowring_suspend_request_t;

typedef struct tx_idle_flowring_suspend_response {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t		cmplt;
	uint32			rsvd[2];
	dma_done_t		marker;
} tx_idle_flowring_suspend_response_t;

typedef struct tx_idle_flowring_resume_request {
	cmn_msg_hdr_t   msg;
	uint16	flow_ring_id;
	uint16	reason;
	uint32	rsvd[7];
} tx_idle_flowring_resume_request_t;

typedef struct tx_idle_flowring_resume_response {
	cmn_msg_hdr_t		msg;
	compl_msg_hdr_t		cmplt;
	uint32			rsvd[2];
	dma_done_t		marker;
} tx_idle_flowring_resume_response_t;

/* timesync related additions */

typedef struct _bcm_xtlv {
	uint16		id; /* TLV idenitifier */
	uint16		len; /* TLV length in bytes */
} _bcm_xtlv_t;

#define BCMMSGBUF_FW_CLOCK_INFO_TAG		0
#define BCMMSGBUF_HOST_CLOCK_INFO_TAG		1
#define BCMMSGBUF_HOST_CLOCK_SELECT_TAG		2
#define BCMMSGBUF_D2H_CLOCK_CORRECTION_TAG	3
#define BCMMSGBUF_HOST_TIMESTAMPING_CONFIG_TAG	4
#define BCMMSGBUF_MAX_TSYNC_TAG			5

/* Flags in fw clock info TLV */
#define CAP_DEVICE_TS		(1 << 0)
#define CAP_CORRECTED_TS	(1 << 1)
#define TS_CLK_ACTIVE		(1 << 2)

typedef struct ts_fw_clock_info {
	_bcm_xtlv_t  xtlv; /* BCMMSGBUF_FW_CLOCK_INFO_TAG */
	ts_timestamp_srcid_t  ts; /* tick count */
	uchar		clk_src[4]; /* clock source acronym ILP/AVB/TSF */
	uint32		nominal_clock_freq;
	uint32		reset_cnt;
	uint8		flags;
	uint8		rsvd[3];
} ts_fw_clock_info_t;

typedef struct ts_host_clock_info {
	_bcm_xtlv_t  xtlv; /* BCMMSGBUF_HOST_CLOCK_INFO_TAG */
	tick_count_64_t ticks; /* 64 bit host tick counter */
	ts_timestamp_ns_64_t ns; /* 64 bit host time in nano seconds */
} ts_host_clock_info_t;

typedef struct ts_host_clock_sel {
	_bcm_xtlv_t	xtlv; /* BCMMSGBUF_HOST_CLOCK_SELECT_TAG */
	uint32		seqnum; /* number of times GPIO time sync toggled */
	uint8		min_clk_idx; /* clock idenitifer configured for packet tiem stamping */
	uint8		max_clk_idx; /* clock idenitifer configured for packet tiem stamping */
	uint16		rsvd[1];
} ts_host_clock_sel_t;

typedef struct ts_d2h_clock_correction {
	_bcm_xtlv_t		xtlv; /* BCMMSGBUF_HOST_CLOCK_INFO_TAG */
	uint8			clk_id; /* clock source in the device */
	uint8			rsvd[3];
	ts_correction_m_t	m;	/* y  = 'm' x + b */
	ts_correction_b_t	b;	/* y  = 'm' x + 'c' */
} ts_d2h_clock_correction_t;

typedef struct ts_host_timestamping_config {
	_bcm_xtlv_t		xtlv; /* BCMMSGBUF_HOST_TIMESTAMPING_CONFIG_TAG */
	/* time period to capture the device time stamp and toggle WLAN_TIME_SYNC_GPIO */
	uint16			period_ms;
	uint8			flags;
	uint8			post_delay;
	uint32			reset_cnt;
} ts_host_timestamping_config_t;

/* Flags in host timestamping config TLV */
#define FLAG_HOST_RESET		(1 << 0)
#define IS_HOST_RESET(x)	((x) & FLAG_HOST_RESET)
#define CLEAR_HOST_RESET(x)	((x) & ~FLAG_HOST_RESET)

#define FLAG_CONFIG_NODROP	(1 << 1)
#define IS_CONFIG_NODROP(x)	((x) & FLAG_CONFIG_NODROP)
#define CLEAR_CONFIG_NODROP(x)	((x) & ~FLAG_CONFIG_NODROP)

#endif /* _bcmmsgbuf_h_ */