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#ifndef R819XUSB_CMDPKT_H
#define R819XUSB_CMDPKT_H

/*
 * Different command packets have dedicated message length and definition.
 */
#define CMPK_RX_TX_FB_SIZE		sizeof(cmpk_txfb_t) /* 20 */
#define CMPK_TX_SET_CONFIG_SIZE		sizeof(cmpk_set_cfg_t) /* 16 */
#define CMPK_BOTH_QUERY_CONFIG_SIZE	sizeof(cmpk_set_cfg_t) /* 16 */
#define CMPK_RX_TX_STS_SIZE		sizeof(cmpk_tx_status_t)
#define CMPK_RX_DBG_MSG_SIZE		sizeof(cmpk_rx_dbginfo_t)
#define CMPK_TX_RAHIS_SIZE		sizeof(cmpk_tx_rahis_t)

/* For USB constant. */
#define ISR_TxBcnOk		BIT27 /* Transmit Beacon OK */
#define ISR_TxBcnErr		BIT26 /* Transmit Beacon Error */
#define ISR_BcnTimerIntr	BIT13 /* Beacon Timer Interrupt */

/*
 * Define different command packet structures
 *
 * 1. RX side: TX feedback packet.
 */
typedef struct tag_cmd_pkt_tx_feedback {
	/* DWORD 0 */
	u8 element_id;		/* Command packet type. */
	u8 length;		/* Command packet length. */
	/* TX Feedback Info Field */
	u8 TID:4;
	u8 fail_reason:3;
	u8 tok:1;		/* Transmit ok. */
	u8 reserve1:4;
	u8 pkt_type:2;
	u8 bandwidth:1;
	u8 qos_pkt:1;

	/* DWORD 1 */
	u8 reserve2;
	/* TX Feedback Info Field */
	u8 retry_cnt;
	u16 pkt_id;

	/* DWORD 3 */
	u16 seq_num;
	u8 s_rate;		/* Start rate. */
	u8 f_rate;		/* Final rate. */

	/* DWORD 4 */
	u8 s_rts_rate;
	u8 f_rts_rate;
	u16 pkt_length;

	/* DWORD 5 */
	u16	reserve3;
	u16	duration;
} cmpk_txfb_t;

/*
 * 2. RX side: Interrupt status packet.
 * It includes Beacon State, Beacon Timer Interrupt
 * and other useful informations in MAC ISR Reg.
 */
typedef struct tag_cmd_pkt_interrupt_status {
	u8 element_id;		/* Command packet type. */
	u8 length;		/* Command packet length. */
	u16 reserve;
	u32 interrupt_status;	/* Interrupt Status. */
} cmpk_intr_sta_t;


/*
 * 3. TX side: Set configuration packet.
 */
typedef struct tag_cmd_pkt_set_configuration {
	u8	element_id;	/* Command packet type. */
	u8	length;		/* Command packet length. */
	u16	reserve1;
	u8 	cfg_reserve1:3;
	u8	cfg_size:2;	/* Configuration info. */
	u8	cfg_type:2;	/* Configuration info. */
	u8	cfg_action:1;	/* Configuration info. */
	u8	cfg_reserve2;	/* Configuration info. */
	u8	cfg_page:4;	/* Configuration info. */
	u8	cfg_reserve3:4;	/* Configuration info. */
	u8	cfg_offset;	/* Configuration info. */
	u32	value;
	u32	mask;
} cmpk_set_cfg_t;

/*
 * 4. Both side : TX/RX query configuraton packet.
 * The query structure is the same as set configuration.
 */
#define		cmpk_query_cfg_t	cmpk_set_cfg_t

/*
 * 5. Multi packet feedback status.
 */
typedef struct tag_tx_stats_feedback {
	/*
	 * For endian transfer
	 * Driver will not the same as firmware structure.
	 */
	/* DW 0 */
	u16 reserve1;
	u8 length;	/* Command packet length */
	u8 element_id;	/* Command packet type */

	/* DW 1 */
	u16 txfail;	/* Tx Fail count */
	u16 txok;	/* Tx ok count */

	/* DW 2 */
	u16 txmcok;	/* tx multicast */
	u16 txretry;	/* Tx Retry count */

	/* DW 3 */
	u16 txucok;	/* tx unicast */
	u16 txbcok;	/* tx broadcast */

	/* DW 4 */
	u16 txbcfail;
	u16 txmcfail;

	/* DW 5 */
	u16 reserve2;
	u16 txucfail;

	/* DW 6-8 */
	u32 txmclength;
	u32 txbclength;
	u32 txuclength;

	/* DW 9 */
	u16 reserve3_23;
	u8 reserve3_1;
	u8 rate;
} __attribute__((packed)) cmpk_tx_status_t;

/*
 * 6. Debug feedback message.
 */
typedef struct tag_rx_debug_message_feedback {
	/* For endian transfer --> for driver */
	/* DW 0 */
	u16 reserve1;
	u8 length;	/* Command packet length */
	u8 element_id;	/* Command packet type */
} cmpk_rx_dbginfo_t;

/*
 * Define transmit rate history. For big endian format.
 */
typedef struct tag_tx_rate_history {
	/* For endian transfer --> for driver */
	/* DW 0 */
	u8 element_id;	/* Command packet type */
	u8 length;	/* Command packet length */
	u16 reserved1;
	/* DW 1-2	CCK rate counter */
	u16 cck[4];
	/* DW 3-6 */
	u16 ofdm[8];
	u16 ht_mcs[4][16];
} __attribute__((packed)) cmpk_tx_rahis_t;

typedef enum tag_command_packet_directories {
    RX_TX_FEEDBACK = 0,
    RX_INTERRUPT_STATUS = 1,
    TX_SET_CONFIG = 2,
    BOTH_QUERY_CONFIG = 3,
    RX_TX_STATUS = 4,
    RX_DBGINFO_FEEDBACK = 5,
    RX_TX_PER_PKT_FEEDBACK = 6,
    RX_TX_RATE_HISTORY = 7,
    RX_CMD_ELE_MAX
} cmpk_element_e;

extern bool cmpk_message_handle_tx(struct net_device *dev,
					u8 *codevirtualaddress,
					u32 packettype,
					u32 buffer_len);

extern  u32 cmpk_message_handle_rx(struct net_device *dev,
					struct ieee80211_rx_stats *pstats);

extern bool SendTxCommandPacket(struct net_device *dev,
					void *pData,
					u32 DataLen);

#endif