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/*******************************************************************************
* mvEth.h - Header File for : Ethernet Controller 
*
* DESCRIPTION:
*       This header file contains macros typedefs and function declaration for
*       Marvell Gigabit Ethernet Controllers.
*
* DEPENDENCIES:
*       None.
*
*******************************************************************************/

#ifndef __mvEth_h__
#define __mvEth_h__

/* includes */
#include "mvTypes.h"
#include "mv802_3.h"
#include "ctrlEnv/mvCtrlEnvLib.h"
#include "ctrlEnv/mvCtrlEnvAddrDec.h"
#include "eth/gbe/mvEthRegs.h"
#include "mvSysHwConfig.h"

/* defines  */

#define MV_ETH_EXTRA_FRAGS_NUM      2


typedef enum
{
    MV_ETH_SPEED_AN,
    MV_ETH_SPEED_10,
    MV_ETH_SPEED_100,
    MV_ETH_SPEED_1000
    
} MV_ETH_PORT_SPEED;

typedef enum
{
    MV_ETH_DUPLEX_AN,
    MV_ETH_DUPLEX_HALF,
    MV_ETH_DUPLEX_FULL
    
} MV_ETH_PORT_DUPLEX;

typedef enum
{
    MV_ETH_FC_AN_ADV_DIS,
    MV_ETH_FC_AN_ADV_SYM,
    MV_ETH_FC_DISABLE,
    MV_ETH_FC_ENABLE

} MV_ETH_PORT_FC;

typedef enum
{
    MV_ETH_PRIO_FIXED = 0,  /* Fixed priority mode */
    MV_ETH_PRIO_WRR   = 1   /* Weighted round robin priority mode */    
} MV_ETH_PRIO_MODE;

/* Ethernet port specific infomation */
typedef struct
{
    int     maxRxPktSize;
    int     rxDefQ;
    int     rxBpduQ;
    int     rxArpQ;
    int     rxTcpQ;
    int     rxUdpQ;
    int     ejpMode;
} MV_ETH_PORT_CFG;

typedef struct
{
    int     descrNum;
} MV_ETH_RX_Q_CFG;

typedef struct
{
    int         descrNum;
    MV_ETH_PRIO_MODE    prioMode;
    int         quota;
} MV_ETH_TX_Q_CFG;

typedef struct
{
    int     maxRxPktSize;
    int     rxDefQ;
    int     txDescrNum[MV_ETH_TX_Q_NUM];
    int     rxDescrNum[MV_ETH_RX_Q_NUM];
    void    *osHandle;
} MV_ETH_PORT_INIT;

typedef struct
{
    MV_BOOL             isLinkUp;
    MV_ETH_PORT_SPEED   speed;
    MV_ETH_PORT_DUPLEX  duplex;
    MV_ETH_PORT_FC      flowControl;

} MV_ETH_PORT_STATUS;

typedef enum
{
	MV_ETH_DISABLE_HEADER_MODE = 0, 
	MV_ETH_ENABLE_HEADER_MODE_PRI_2_1 = 1, 
	MV_ETH_ENABLE_HEADER_MODE_PRI_DBNUM = 2, 
	MV_ETH_ENABLE_HEADER_MODE_PRI_SPID = 3
} MV_ETH_HEADER_MODE;


/* ethernet.h API list */
void        mvEthHalInit(void);
void        mvEthMemAttrGet(MV_BOOL* pIsSram, MV_BOOL* pIsSwCoher);

/* Port Initalization routines */
void*       mvEthPortInit (int port, MV_ETH_PORT_INIT *pPortInit);
void        ethResetTxDescRing(void* pPortHndl, int queue);
void        ethResetRxDescRing(void* pPortHndl, int queue);

void*       mvEthPortHndlGet(int port);

void        mvEthPortFinish(void* pEthPortHndl);
MV_STATUS   mvEthPortDown(void* pEthPortHndl);
MV_STATUS   mvEthPortDisable(void* pEthPortHndl);
MV_STATUS   mvEthPortUp(void* pEthPortHndl);
MV_STATUS   mvEthPortEnable(void* pEthPortHndl);

/* Port data flow routines */
MV_PKT_INFO *mvEthPortForceTxDone(void* pEthPortHndl, int txQueue);
MV_PKT_INFO *mvEthPortForceRx(void* pEthPortHndl, int rxQueue);

/* Port Configuration routines */
MV_STATUS   mvEthDefaultsSet(void* pEthPortHndl);
MV_STATUS   mvEthMaxRxSizeSet(void* pPortHndl, int maxRxSize);

/* Port RX MAC Filtering control routines */
MV_U8       mvEthMcastCrc8Get(MV_U8* pAddr);
MV_STATUS   mvEthRxFilterModeSet(void* pPortHndl, MV_BOOL isPromisc);
MV_STATUS   mvEthMacAddrSet(void* pPortHandle, MV_U8* pMacAddr, int queue);
MV_STATUS   mvEthMcastAddrSet(void* pPortHandle, MV_U8 *pAddr, int queue);

/* MIB Counters APIs */
MV_U32      mvEthMibCounterRead(void* pPortHndl, unsigned int mibOffset, 
                               MV_U32* pHigh32);
void        mvEthMibCountersClear(void* pPortHandle);

/* TX Scheduling configuration routines */
MV_STATUS   mvEthTxQueueConfig(void* pPortHandle, int txQueue,                          
                               MV_ETH_PRIO_MODE txPrioMode, int txQuota);

/* RX Dispatching configuration routines */
MV_STATUS   mvEthBpduRxQueue(void* pPortHandle, int bpduQueue);
MV_STATUS   mvEthVlanPrioRxQueue(void* pPortHandle, int vlanPrio, int vlanPrioQueue);
MV_STATUS   mvEthTosToRxqSet(void* pPortHandle, int tos, int rxq);
int         mvEthTosToRxqGet(void* pPortHandle, int tos);

/* Speed, Duplex, FlowControl routines */
MV_STATUS   mvEthSpeedDuplexSet(void* pPortHandle, MV_ETH_PORT_SPEED speed, 
                                                   MV_ETH_PORT_DUPLEX duplex);

MV_STATUS   mvEthFlowCtrlSet(void* pPortHandle, MV_ETH_PORT_FC flowControl);

#if (MV_ETH_VERSION >= 4)
MV_STATUS   mvEthEjpModeSet(void* pPortHandle, int mode);
#endif /* (MV_ETH_VERSION >= 4) */

void        mvEthStatusGet(void* pPortHandle, MV_ETH_PORT_STATUS* pStatus);

/* Marvell Header control               */
MV_STATUS   mvEthHeaderModeSet(void* pPortHandle, MV_ETH_HEADER_MODE headerMode);

/* PHY routines */
void       mvEthPhyAddrSet(void* pPortHandle, int phyAddr);
int        mvEthPhyAddrGet(void* pPortHandle);

/* Power management routines */
void        mvEthPortPowerDown(int port);
void        mvEthPortPowerUp(int port);

/******************** ETH PRIVATE ************************/

/*#define UNCACHED_TX_BUFFERS*/
/*#define UNCACHED_RX_BUFFERS*/


/* Port attributes */
/* Size of a Tx/Rx descriptor used in chain list data structure */
#define ETH_RX_DESC_ALIGNED_SIZE        32
#define ETH_TX_DESC_ALIGNED_SIZE        32

#define TX_DISABLE_TIMEOUT_MSEC     1000
#define RX_DISABLE_TIMEOUT_MSEC     1000
#define TX_FIFO_EMPTY_TIMEOUT_MSEC  10000
#define PORT_DISABLE_WAIT_TCLOCKS   5000

/* Macros that save access to desc in order to find next desc pointer  */
#define RX_NEXT_DESC_PTR(pRxDescr, pQueueCtrl)                              \
        ((pRxDescr) == (pQueueCtrl)->pLastDescr) ?                          \
               (ETH_RX_DESC*)((pQueueCtrl)->pFirstDescr) :                  \
               (ETH_RX_DESC*)(((MV_ULONG)(pRxDescr)) + ETH_RX_DESC_ALIGNED_SIZE)

#define TX_NEXT_DESC_PTR(pTxDescr, pQueueCtrl)                              \
        ((pTxDescr) == (pQueueCtrl)->pLastDescr) ?                          \
               (ETH_TX_DESC*)((pQueueCtrl)->pFirstDescr) :                  \
               (ETH_TX_DESC*)(((MV_ULONG)(pTxDescr)) + ETH_TX_DESC_ALIGNED_SIZE)

#define RX_PREV_DESC_PTR(pRxDescr, pQueueCtrl)                              \
        ((pRxDescr) == (pQueueCtrl)->pFirstDescr) ?                          \
               (ETH_RX_DESC*)((pQueueCtrl)->pLastDescr) :                  \
               (ETH_RX_DESC*)(((MV_ULONG)(pRxDescr)) - ETH_RX_DESC_ALIGNED_SIZE)

#define TX_PREV_DESC_PTR(pTxDescr, pQueueCtrl)                              \
        ((pTxDescr) == (pQueueCtrl)->pFirstDescr) ?                          \
               (ETH_TX_DESC*)((pQueueCtrl)->pLastDescr) :                  \
               (ETH_TX_DESC*)(((MV_ULONG)(pTxDescr)) - ETH_TX_DESC_ALIGNED_SIZE)


/* Queue specific information */
typedef struct 
{
    void*       pFirstDescr;
    void*       pLastDescr;
    void*       pCurrentDescr;
    void*       pUsedDescr;
    int         resource;
    MV_BUF_INFO descBuf;
} ETH_QUEUE_CTRL;


/* Ethernet port specific infomation */
typedef struct _ethPortCtrl
{
    int             portNo;
    ETH_QUEUE_CTRL  rxQueue[MV_ETH_RX_Q_NUM]; /* Rx ring resource  */
    ETH_QUEUE_CTRL  txQueue[MV_ETH_TX_Q_NUM]; /* Tx ring resource  */

    MV_ETH_PORT_CFG portConfig;
    MV_ETH_RX_Q_CFG rxQueueConfig[MV_ETH_RX_Q_NUM];
    MV_ETH_TX_Q_CFG txQueueConfig[MV_ETH_TX_Q_NUM];

    /* Register images - For DP */
    MV_U32          portTxQueueCmdReg;   /* Port active Tx queues summary    */
    MV_U32          portRxQueueCmdReg;   /* Port active Rx queues summary    */

    MV_STATE        portState;

    MV_U8           mcastCount[256];
    MV_U32*         hashPtr;
    void 	    *osHandle;
} ETH_PORT_CTRL; 

/************** MACROs ****************/

/* MACROs to Flush / Invalidate TX / RX Buffers */
#if (ETHER_DRAM_COHER == MV_CACHE_COHER_SW) && !defined(UNCACHED_TX_BUFFERS)
#   define ETH_PACKET_CACHE_FLUSH(pAddr, size)                                  \
        mvOsCacheClear(NULL, (pAddr), (size));                                  \
        /*CPU_PIPE_FLUSH;*/
#else
#   define ETH_PACKET_CACHE_FLUSH(pAddr, size)                                  \
        mvOsIoVirtToPhy(NULL, (pAddr));
#endif /* ETHER_DRAM_COHER == MV_CACHE_COHER_SW */

#if ( (ETHER_DRAM_COHER == MV_CACHE_COHER_SW) && !defined(UNCACHED_RX_BUFFERS) )
#   define ETH_PACKET_CACHE_INVALIDATE(pAddr, size)                             \
        mvOsCacheInvalidate (NULL, (pAddr), (size));                            \
        /*CPU_PIPE_FLUSH;*/
#else
#   define ETH_PACKET_CACHE_INVALIDATE(pAddr, size)    
#endif /* ETHER_DRAM_COHER == MV_CACHE_COHER_SW && !UNCACHED_RX_BUFFERS */

#ifdef ETH_DESCR_UNCACHED

#define ETH_DESCR_FLUSH_INV(pPortCtrl, pDescr)
#define ETH_DESCR_INV(pPortCtrl, pDescr)

#else

#define ETH_DESCR_FLUSH_INV(pPortCtrl, pDescr)      \
        mvOsCacheLineFlushInv(pPortCtrl->osHandle, (MV_ULONG)(pDescr))

#define ETH_DESCR_INV(pPortCtrl, pDescr)            \
        mvOsCacheLineInv(pPortCtrl->osHandle, (MV_ULONG)(pDescr))

#endif /* ETH_DESCR_UNCACHED */

#include "eth/gbe/mvEthGbe.h"

#endif /* __mvEth_h__ */