drivers/net/npe/include/IxEthAcc_p.h

/**
 * @file IxEthAcc_p.h
 *
 * @author Intel Corporation
 * @date 12-Feb-2002
 *
 * @brief  Internal Header file for IXP425 Ethernet Access component.
 *
 * Design Notes:
 *
 * 
 * @par
 * IXP400 SW Release version 2.0
 * 
 * -- Copyright Notice --
 * 
 * @par
 * Copyright 2001-2005, Intel Corporation.
 * All rights reserved.
 * 
 * @par
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Intel Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * @par
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * @par
 * -- End of Copyright Notice --
 */

/**
 * @addtogroup IxEthAccPri
 *@{
 */

#ifndef IxEthAcc_p_H
#define IxEthAcc_p_H

/*
 * Os/System dependancies.
 */
#include "IxOsal.h"

/*
 * Intermodule dependancies
 */
#include "IxNpeDl.h"
#include "IxQMgr.h"

#include "IxEthNpe.h"

/* 
 * Intra module dependancies
 */

#include "IxEthAccDataPlane_p.h"
#include "IxEthAccMac_p.h"


#define INLINE __inline__

#ifdef NDEBUG

#define IX_ETH_ACC_PRIVATE static

#else

#define IX_ETH_ACC_PRIVATE

#endif /* ndef NDEBUG */

#define IX_ETH_ACC_PUBLIC


#define IX_ETH_ACC_IS_PORT_VALID(port) ((port) <  IX_ETH_ACC_NUMBER_OF_PORTS  ? true : false )



#ifndef NDEBUG
#define IX_ETH_ACC_FATAL_LOG(a,b,c,d,e,f,g)   { ixOsalLog ( IX_OSAL_LOG_LVL_FATAL,IX_OSAL_LOG_DEV_STDOUT,a,b,c,d,e,f,g);}
#define IX_ETH_ACC_WARNING_LOG(a,b,c,d,e,f,g) { ixOsalLog ( IX_OSAL_LOG_LVL_WARNING,IX_OSAL_LOG_DEV_STDOUT,a,b,c,d,e,f,g);}
#define IX_ETH_ACC_DEBUG_LOG(a,b,c,d,e,f,g)   { ixOsalLog ( IX_OSAL_LOG_LVL_FATAL,IX_OSAL_LOG_DEV_STDOUT,a,b,c,d,e,f,g);}
#else
#define IX_ETH_ACC_FATAL_LOG(a,b,c,d,e,f,g)   { ixOsalLog ( IX_OSAL_LOG_LVL_FATAL,IX_OSAL_LOG_DEV_STDOUT,a,b,c,d,e,f,g);}
#define IX_ETH_ACC_WARNING_LOG(a,b,c,d,e,f,g) { ixOsalLog ( IX_OSAL_LOG_LVL_WARNING,IX_OSAL_LOG_DEV_STDOUT,a,b,c,d,e,f,g);}
#define IX_ETH_ACC_DEBUG_LOG(a,b,c,d,e,f,g)   {}
#endif

IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccInitDataPlane(void);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccQMgrQueuesConfig(void);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccQMgrRxCallbacksRegister(IxQMgrCallback ixQMgrCallback);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccSingleEthNpeCheck(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC void ixEthAccQMgrRxQEntryGet(UINT32 *numRxQueueEntries);

/* prototypes for the private control plane functions (used by the control interface wrapper) */
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortEnablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortDisablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortEnabledQueryPriv(IxEthAccPortId portId, BOOL *enabled);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortPromiscuousModeClearPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortPromiscuousModeSetPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortUnicastMacAddressSetPriv(IxEthAccPortId portId, IxEthAccMacAddr *macAddr);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortUnicastMacAddressGetPriv(IxEthAccPortId portId, IxEthAccMacAddr *macAddr);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortMulticastAddressJoinPriv(IxEthAccPortId portId, IxEthAccMacAddr *macAddr);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortMulticastAddressJoinAllPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortMulticastAddressLeavePriv(IxEthAccPortId portId, IxEthAccMacAddr *macAddr);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortMulticastAddressLeaveAllPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortUnicastAddressShowPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC void ixEthAccPortMulticastAddressShowPriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortDuplexModeSetPriv(IxEthAccPortId portId, IxEthAccDuplexMode mode);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortDuplexModeGetPriv(IxEthAccPortId portId, IxEthAccDuplexMode *mode);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortTxFrameAppendPaddingEnablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortTxFrameAppendPaddingDisablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortTxFrameAppendFCSEnablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortTxFrameAppendFCSDisablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortRxFrameAppendFCSEnablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccPortRxFrameAppendFCSDisablePriv(IxEthAccPortId portId);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccTxSchedulingDisciplineSetPriv(IxEthAccPortId portId, IxEthAccSchedulerDiscipline sched);
IX_ETH_ACC_PUBLIC IxEthAccStatus ixEthAccRxSchedulingDisciplineSetPriv(IxEthAccSchedulerDiscipline sched);

/**
 * @struct  ixEthAccRxDataStats
 * @brief   Stats data structures for data path. - Not obtained from h/w
 *
 */
typedef struct
{ 
    UINT32 rxFrameClientCallback;
    UINT32 rxFreeRepOK;
    UINT32 rxFreeRepDelayed;
    UINT32 rxFreeRepFromSwQOK;
    UINT32 rxFreeRepFromSwQDelayed;
    UINT32 rxFreeLateNotificationEnabled;
    UINT32 rxFreeLowCallback;
    UINT32 rxFreeOverflow;
    UINT32 rxFreeLock;
    UINT32 rxDuringDisable;
    UINT32 rxSwQDuringDisable;
    UINT32 rxUnlearnedMacAddress;
    UINT32 rxPriority[IX_ETH_ACC_TX_PRIORITY_7 + 1];
    UINT32 rxUnexpectedError;
    UINT32 rxFiltered;
} IxEthAccRxDataStats;

/**
 * @struct  IxEthAccTxDataStats
 * @brief   Stats data structures for data path. - Not obtained from h/w
 *
 */
typedef struct
{   
    UINT32 txQOK;
    UINT32 txQDelayed;
    UINT32 txFromSwQOK;
    UINT32 txFromSwQDelayed;
    UINT32 txLowThreshCallback;
    UINT32 txDoneClientCallback;
    UINT32 txDoneClientCallbackDisable;
    UINT32 txOverflow;
    UINT32 txLock;
    UINT32 txPriority[IX_ETH_ACC_TX_PRIORITY_7 + 1];
    UINT32 txLateNotificationEnabled;
    UINT32 txDoneDuringDisable;
    UINT32 txDoneSwQDuringDisable;
    UINT32 txUnexpectedError;
} IxEthAccTxDataStats;

/* port Disable state machine : list of states */
typedef enum
{
    /* general port states */
    DISABLED = 0,
    ACTIVE,

    /* particular Tx/Rx states */
    REPLENISH,
    RECEIVE,
    TRANSMIT,
    TRANSMIT_DONE
} IxEthAccPortDisableState;

typedef struct
{
    BOOL fullDuplex;
    BOOL rxFCSAppend;
    BOOL txFCSAppend;
    BOOL txPADAppend;
    BOOL enabled;
    BOOL promiscuous;
    BOOL joinAll;
    IxOsalMutex ackMIBStatsLock;
    IxOsalMutex ackMIBStatsResetLock;
    IxOsalMutex MIBStatsGetAccessLock;
    IxOsalMutex MIBStatsGetResetAccessLock;
    IxOsalMutex npeLoopbackMessageLock;
    IxEthAccMacAddr mcastAddrsTable[IX_ETH_ACC_MAX_MULTICAST_ADDRESSES];
    UINT32 mcastAddrIndex;
    IX_OSAL_MBUF *portDisableTxMbufPtr;
    IX_OSAL_MBUF *portDisableRxMbufPtr;

    volatile IxEthAccPortDisableState portDisableState;
    volatile IxEthAccPortDisableState rxState;
    volatile IxEthAccPortDisableState txState;

    BOOL initDone;
    BOOL macInitialised;
} IxEthAccMacState;

/**
 * @struct  IxEthAccRxInfo
 * @brief   System-wide data structures associated with the data plane.
 *
 */
typedef struct
{
  IxQMgrQId higherPriorityQueue[IX_QMGR_MAX_NUM_QUEUES]; /**< higher priority queue list */
  IxEthAccSchedulerDiscipline schDiscipline; /**< Receive Xscale QoS type */
} IxEthAccInfo; 

/**
 * @struct  IxEthAccRxDataInfo
 * @brief   Per Port data structures associated with the receive data plane.
 *
 */
typedef struct
{
  IxQMgrQId rxFreeQueue; /**< rxFree Queue for this port */
  IxEthAccPortRxCallback rxCallbackFn;
  UINT32  rxCallbackTag;
  IxEthAccDataPlaneQList freeBufferList;
  IxEthAccPortMultiBufferRxCallback rxMultiBufferCallbackFn;
  UINT32  rxMultiBufferCallbackTag;
  BOOL rxMultiBufferCallbackInUse;
  IxEthAccRxDataStats stats; /**< Receive s/w stats */
} IxEthAccRxDataInfo; 

/**
 * @struct  IxEthAccTxDataInfo
 * @brief   Per Port data structures associated with the transmit data plane.
 *
 */
typedef struct
{
  IxEthAccPortTxDoneCallback  txBufferDoneCallbackFn;
  UINT32  txCallbackTag;
  IxEthAccDataPlaneQList	txQ[IX_ETH_ACC_NUM_TX_PRIORITIES]; /**< Transmit Q */
  IxEthAccSchedulerDiscipline schDiscipline; /**< Transmit Xscale QoS */
  IxQMgrQId txQueue; /**< txQueue for this port */
  IxEthAccTxDataStats stats; /**< Transmit s/w stats */
} IxEthAccTxDataInfo; 


/**
 * @struct  IxEthAccPortDataInfo
 * @brief   Per Port data structures associated with the port data plane.
 *
 */
typedef struct
{
    BOOL               portInitialized;
    UINT32 npeId; /**< NpeId for this port */
    IxEthAccTxDataInfo ixEthAccTxData; /**< Transmit data control structures */
    IxEthAccRxDataInfo ixEthAccRxData; /**< Receive data control structures */
} IxEthAccPortDataInfo; 

extern IxEthAccPortDataInfo  ixEthAccPortData[];
#define IX_ETH_IS_PORT_INITIALIZED(port) (ixEthAccPortData[port].portInitialized)

extern BOOL ixEthAccServiceInit;
#define IX_ETH_ACC_IS_SERVICE_INITIALIZED() (ixEthAccServiceInit == true )

/* 
 * Maximum number of frames to consume from the Rx Frame Q.
 */

#define IX_ETH_ACC_MAX_RX_FRAME_CONSUME_PER_CALLBACK (128)

/*
 * Max number of times to load the Rx Free Q from callback.  
 */
#define IX_ETH_ACC_MAX_RX_FREE_BUFFERS_LOAD (256)  /* Set greater than depth of h/w Q + drain time at line rate */

/*
 *  Max number of times to read from the Tx Done Q in one sitting.
 */

#define IX_ETH_ACC_MAX_TX_FRAME_DONE_CONSUME_PER_CALLBACK (256)

/*
 *  Max number of times to take buffers from S/w queues and write them to the H/w Tx
 *  queues on receipt of a Tx low threshold callback 
 */

#define IX_ETH_ACC_MAX_TX_FRAME_TX_CONSUME_PER_CALLBACK (16)


#define IX_ETH_ACC_FLUSH_CACHE(addr,size)  IX_OSAL_CACHE_FLUSH((addr),(size))
#define IX_ETH_ACC_INVALIDATE_CACHE(addr,size)  IX_OSAL_CACHE_INVALIDATE((addr),(size))


#define IX_ETH_ACC_MEMSET(start,value,size) memset(start,value,size)

#endif /* ndef IxEthAcc_p_H */