1. 根目录:
2. drivers
3. staging
4. rtl8192e
5. r819xE_cmdpkt.h

#ifndef R819XUSB_CMDPKT_H
#define R819XUSB_CMDPKT_H
/* Different command packet 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)

/* 2008/05/08 amy For USB constant. */
#define ISR_TxBcnOk					BIT27			// Transmit Beacon OK
#define ISR_TxBcnErr				BIT26			// Transmit Beacon Error
#define ISR_BcnTimerIntr			BIT13			// Beacon Timer Interrupt

#if 0
/* Define packet type. */
typedef enum tag_packet_type
{
    PACKET_BROADCAST,
    PACKET_MULTICAST,
    PACKET_UNICAST,
    PACKET_TYPE_MAX
}cmpk_pkt_type_e;
#endif

/* Define element ID of command packet. */

/*------------------------------Define structure----------------------------*/
/* Define different command packet structure. */
/* 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. */
	/* 2007/07/05 MH Change tx feedback info field. */
	/*------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 // PJ quick rxcmd 09042007
{
	// 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. */
/* 2007/10/23 MH Define RX debug 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

	// DW 1-??
	// Variable debug message.

}cmpk_rx_dbginfo_t;

/* 2008/03/20 MH 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];

	// DW 7-14
	//UINT16	MCS_BW0_SG0[16];

	// DW 15-22
	//UINT16	MCS_BW1_SG0[16];

	// DW 23-30
	//UINT16	MCS_BW0_SG1[16];

	// DW 31-38
	//UINT16	MCS_BW1_SG1[16];

	// DW 7-14	BW=0 SG=0
	// DW 15-22	BW=1 SG=0
	// DW 23-30	BW=0 SG=1
	// DW 31-38	BW=1 SG=1
	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;

u32 cmpk_message_handle_rx(struct r8192_priv *priv, struct ieee80211_rx_stats *pstats);


#endif