* Update Intel IXP4xx support

- Add IXP4xx NPE ethernet MAC support
- Add support for Intel IXDPG425 board
- Add support for Prodrive PDNB3 board
- Add IRQ support
Patch by Stefan Roese, 23 May 2006

[This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still
 sufferes from licensing issues. Blame Intel.]

1 files changed, 1049 insertions, 0 deletions

diff --git a/cpu/ixp/npe/IxEthAccCommon.c b/cpu/ixp/npe/IxEthAccCommon.c
new file mode 100644
index 0000000..bda2c44
--- /dev/null
+++ b/cpu/ixp/npe/IxEthAccCommon.c
@@ -0,0 +1,1049 @@
+/**
+ * @file IxEthAccCommon.c
+ *
+ * @author Intel Corporation
+ * @date 12-Feb-2002
+ *
+ * @brief This file contains the implementation common support routines for the 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 --
+ */
+
+/*
+ * Component header files
+ */
+
+#include "IxOsal.h"
+#include "IxEthAcc.h"
+#include "IxEthDB.h"
+#include "IxNpeMh.h"
+#include "IxEthDBPortDefs.h"
+#include "IxFeatureCtrl.h"
+#include "IxEthAcc_p.h"
+#include "IxEthAccQueueAssign_p.h"
+
+#include "IxEthAccDataPlane_p.h"
+#include "IxEthAccMii_p.h"
+
+/**
+ * @addtogroup IxEthAccPri
+ *@{
+ */
+
+extern IxEthAccInfo   ixEthAccDataInfo;
+
+/**
+ *
+ * @brief Maximum number of RX queues set to be the maximum number
+ * of traffic calsses.
+ *
+ */
+#define IX_ETHACC_MAX_RX_QUEUES \
+      (IX_ETH_DB_QOS_TRAFFIC_CLASS_7_RX_QUEUE_PROPERTY \
+      - IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY \
+      + 1)
+
+/**
+ *
+ * @brief Maximum number of 128 entry RX queues
+ *
+ */
+#define IX_ETHACC_MAX_LARGE_RX_QUEUES 4
+
+/**
+ *
+ * @brief Data structure template for Default RX Queues
+ *
+ */
+IX_ETH_ACC_PRIVATE
+IxEthAccQregInfo ixEthAccQmgrRxDefaultTemplate =
+  {
+    IX_ETH_ACC_RX_FRAME_ETH_Q, 	     /**< Queue ID */
+    "Eth Rx Q",
+    ixEthRxFrameQMCallback,          /**< Functional callback */
+    (IxQMgrCallbackId) 0,	     /**< Callback tag	      */
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    TRUE,			     /**< Enable Q notification at startup */
+    IX_ETH_ACC_RX_FRAME_ETH_Q_SOURCE,/**< Q Condition to drive callback   */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL1,	     /**< Q High water mark - needed by NPE */
+  };
+
+/**
+ *
+ * @brief Data structure template for Small RX Queues
+ *
+ */
+IX_ETH_ACC_PRIVATE
+IxEthAccQregInfo ixEthAccQmgrRxSmallTemplate =
+  {
+    IX_ETH_ACC_RX_FRAME_ETH_Q, 	     /**< Queue ID */
+    "Eth Rx Q",
+    ixEthRxFrameQMCallback,          /**< Functional callback */
+    (IxQMgrCallbackId) 0,	     /**< Callback tag	      */
+    IX_QMGR_Q_SIZE64,		     /**< Allocate Smaller Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    TRUE,			     /**< Enable Q notification at startup */
+    IX_ETH_ACC_RX_FRAME_ETH_Q_SOURCE,/**< Q Condition to drive callback   */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL1,	     /**< Q High water mark - needed by NPE */
+  };
+
+
+/**
+ *
+ * @brief Data structure used to register & initialize the Queues
+ *
+ */
+IX_ETH_ACC_PRIVATE
+IxEthAccQregInfo ixEthAccQmgrStaticInfo[]=
+{
+  {
+    IX_ETH_ACC_RX_FREE_BUFF_ENET0_Q,
+    "Eth Rx Fr Q 1",
+    ixEthRxFreeQMCallback,
+    (IxQMgrCallbackId) IX_ETH_PORT_1,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    FALSE,			     /**< Disable Q notification at startup */
+    IX_ETH_ACC_RX_FREE_BUFF_ENET0_Q_SOURCE, /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /***< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL64,	     /**< Q High water mark */
+  },
+
+  {
+    IX_ETH_ACC_RX_FREE_BUFF_ENET1_Q,
+    "Eth Rx Fr Q 2",
+    ixEthRxFreeQMCallback,
+    (IxQMgrCallbackId) IX_ETH_PORT_2,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    FALSE,			     /**< Disable Q notification at startup */
+    IX_ETH_ACC_RX_FREE_BUFF_ENET1_Q_SOURCE,  /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL64,	     /**< Q High water mark */
+  },
+#ifdef __ixp46X
+  {
+    IX_ETH_ACC_RX_FREE_BUFF_ENET2_Q,
+    "Eth Rx Fr Q 3",
+    ixEthRxFreeQMCallback,
+    (IxQMgrCallbackId) IX_ETH_PORT_3,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    FALSE,			     /**< Disable Q notification at startup */
+    IX_ETH_ACC_RX_FREE_BUFF_ENET2_Q_SOURCE,  /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL64,	     /**< Q High water mark */
+  },
+#endif
+  {
+     IX_ETH_ACC_TX_FRAME_ENET0_Q,
+    "Eth Tx Q 1",
+     ixEthTxFrameQMCallback,
+     (IxQMgrCallbackId) IX_ETH_PORT_1,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    FALSE,			     /**< Disable Q notification at startup */
+    IX_ETH_ACC_TX_FRAME_ENET0_Q_SOURCE,	 /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL64,	     /**< Q High water mark */
+  },
+
+  {
+     IX_ETH_ACC_TX_FRAME_ENET1_Q,
+    "Eth Tx Q 2",
+     ixEthTxFrameQMCallback,
+     (IxQMgrCallbackId) IX_ETH_PORT_2,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    FALSE,			     /**< Disable Q notification at startup */
+    IX_ETH_ACC_TX_FRAME_ENET1_Q_SOURCE,	     /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL64,	     /**< Q High water mark */
+  },
+#ifdef __ixp46X
+  {
+     IX_ETH_ACC_TX_FRAME_ENET2_Q,
+    "Eth Tx Q 3",
+     ixEthTxFrameQMCallback,
+     (IxQMgrCallbackId) IX_ETH_PORT_3,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /** Queue Entry Sizes - all Q entries are single ord entries   */
+    FALSE,			     /** Disable Q notification at startup */
+    IX_ETH_ACC_TX_FRAME_ENET2_Q_SOURCE,	     /** Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /* No queues use almost empty */
+    IX_QMGR_Q_WM_LEVEL64,	      /** Q High water mark - needed used  */
+  },
+#endif
+  {
+     IX_ETH_ACC_TX_FRAME_DONE_ETH_Q,
+    "Eth Tx Done Q",
+     ixEthTxFrameDoneQMCallback,
+     (IxQMgrCallbackId) 0,
+    IX_QMGR_Q_SIZE128,		     /**< Allocate Max Size Q */
+    IX_QMGR_Q_ENTRY_SIZE1,	     /**< Queue Entry Sizes - all Q entries are single word entries   */
+    TRUE,			     /**< Enable Q notification at startup */
+    IX_ETH_ACC_TX_FRAME_DONE_ETH_Q_SOURCE, /**< Q Condition to drive callback  */
+    IX_QMGR_Q_WM_LEVEL0, 	     /**< Q Low water mark */
+    IX_QMGR_Q_WM_LEVEL2,	     /**< Q High water mark - needed by NPE */
+  },
+
+  {  /* Null Termination entry
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  }
+
+};
+
+/**
+ *
+ * @brief Data structure used to register & initialize the Queues
+ *
+ * The structure will be filled at run time depending on the NPE
+ * image already loaded and the QoS configured in ethDB.
+ *
+ */
+IX_ETH_ACC_PRIVATE
+IxEthAccQregInfo ixEthAccQmgrRxQueuesInfo[IX_ETHACC_MAX_RX_QUEUES+1]=
+{
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+      (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* PlaceHolder for rx queues
+      * depending on the QoS configured
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  },
+
+  {  /* Null Termination entry
+      */
+     (IxQMgrQId)0,
+     (char *) NULL,
+     (IxQMgrCallback) NULL,
+     (IxQMgrCallbackId) 0,
+     0,
+     0,
+     0,
+     0,
+     0,
+     0
+  }
+
+};
+
+/* forward declarations */
+IX_ETH_ACC_PRIVATE IxEthAccStatus
+ixEthAccQMgrQueueSetup(IxEthAccQregInfo *qInfoDes);
+
+/**
+ * @fn ixEthAccQMgrQueueSetup(void)
+ *
+ * @brief Setup one queue and its event, and register the callback required
+ * by this component to the QMgr
+ *
+ * @internal
+ */
+IX_ETH_ACC_PRIVATE IxEthAccStatus
+ixEthAccQMgrQueueSetup(IxEthAccQregInfo *qInfoDes)
+{
+    /*
+     * Configure each Q.
+     */
+    if ( ixQMgrQConfig( qInfoDes->qName,
+			qInfoDes->qId,
+			qInfoDes->qSize,
+			qInfoDes->qWords) != IX_SUCCESS)
+    {
+	return IX_ETH_ACC_FAIL;
+    }
+
+    if ( ixQMgrWatermarkSet( qInfoDes->qId,
+			     qInfoDes->AlmostEmptyThreshold,
+			     qInfoDes->AlmostFullThreshold
+			     ) != IX_SUCCESS)
+    {
+	return IX_ETH_ACC_FAIL;
+    }
+
+    /*
+     * Set dispatcher priority.
+     */
+    if ( ixQMgrDispatcherPrioritySet( qInfoDes->qId,
+				      IX_ETH_ACC_QM_QUEUE_DISPATCH_PRIORITY)
+	 != IX_SUCCESS)
+    {
+	return IX_ETH_ACC_FAIL;
+    }
+
+    /*
+     * Register callbacks for each Q.
+     */
+    if ( ixQMgrNotificationCallbackSet(qInfoDes->qId,
+				       qInfoDes->qCallback,
+				       qInfoDes->callbackTag)
+	 != IX_SUCCESS )
+    {
+	return IX_ETH_ACC_FAIL;
+    }
+
+    /*
+     * Set notification condition for Q
+     */
+    if ( qInfoDes->qNotificationEnableAtStartup == TRUE )
+    {
+	if (   ixQMgrNotificationEnable(qInfoDes->qId,
+					qInfoDes->qConditionSource)
+	       != IX_SUCCESS )
+	{
+	    return IX_ETH_ACC_FAIL;
+	}
+    }
+
+    return(IX_ETH_ACC_SUCCESS);
+}
+
+/**
+ * @fn ixEthAccQMgrQueuesConfig(void)
+ *
+ * @brief Setup all the queues and register all callbacks required
+ * by this component to the QMgr
+ *
+ * The RxFree queues, tx queues, rx queues are configured statically
+ *
+ * Rx queues configuration is driven by QoS setup.
+ * Many Rx queues may be required when QoS is enabled (this depends
+ * on IxEthDB setup and the images being downloaded). The configuration
+ * of the rxQueues is done in many steps as follows:
+ *
+ * @li select all Rx queues as configured by ethDB for all ports
+ * @li sort the queues by traffic class
+ * @li build the priority dependency for all queues
+ * @li fill the configuration for all rx queues
+ * @li configure all statically configured queues
+ * @li configure all dynamically configured queues
+ *
+ * @param none
+ *
+ * @return IxEthAccStatus
+ *
+ * @internal
+ */
+IX_ETH_ACC_PUBLIC
+IxEthAccStatus ixEthAccQMgrQueuesConfig(void)
+{
+    struct
+    {
+	int npeCount;
+	UINT32 npeId;
+	IxQMgrQId qId;
+	IxEthDBProperty trafficClass;
+    } rxQueues[IX_ETHACC_MAX_RX_QUEUES];
+
+    UINT32 rxQueue = 0;
+    UINT32 rxQueueCount = 0;
+    IxQMgrQId ixQId =IX_QMGR_MAX_NUM_QUEUES;
+    IxEthDBStatus ixEthDBStatus = IX_ETH_DB_SUCCESS;
+    IxEthDBPortId ixEthDbPortId = 0;
+    IxEthAccPortId ixEthAccPortId = 0;
+    UINT32 ixNpeId = 0;
+    UINT32 ixHighestNpeId = 0;
+    UINT32 sortIterations = 0;
+    IxEthAccStatus ret = IX_ETH_ACC_SUCCESS;
+    IxEthAccQregInfo *qInfoDes = NULL;
+    IxEthDBProperty ixEthDBTrafficClass = IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY;
+    IxEthDBPropertyType ixEthDBPropertyType = IX_ETH_DB_INTEGER_PROPERTY;
+    UINT32 ixEthDBParameter = 0;
+    BOOL completelySorted = FALSE;
+
+    /* Fill the corspondance between ports and queues
+     * This defines the mapping from port to queue Ids.
+     */
+
+    ixEthAccPortData[IX_ETH_PORT_1].ixEthAccRxData.rxFreeQueue
+	= IX_ETH_ACC_RX_FREE_BUFF_ENET0_Q;
+    ixEthAccPortData[IX_ETH_PORT_2].ixEthAccRxData.rxFreeQueue
+	= IX_ETH_ACC_RX_FREE_BUFF_ENET1_Q;
+#ifdef __ixp46X
+    ixEthAccPortData[IX_ETH_PORT_3].ixEthAccRxData.rxFreeQueue
+	= IX_ETH_ACC_RX_FREE_BUFF_ENET2_Q;
+#endif
+    ixEthAccPortData[IX_ETH_PORT_1].ixEthAccTxData.txQueue
+	= IX_ETH_ACC_TX_FRAME_ENET0_Q;
+    ixEthAccPortData[IX_ETH_PORT_2].ixEthAccTxData.txQueue
+	= IX_ETH_ACC_TX_FRAME_ENET1_Q;
+#ifdef __ixp46X
+    ixEthAccPortData[IX_ETH_PORT_3].ixEthAccTxData.txQueue
+	= IX_ETH_ACC_TX_FRAME_ENET2_Q;
+#endif
+    /* Fill the corspondance between ports and NPEs
+     * This defines the mapping from port to npeIds.
+     */
+
+    ixEthAccPortData[IX_ETH_PORT_1].npeId = IX_NPEMH_NPEID_NPEB;
+    ixEthAccPortData[IX_ETH_PORT_2].npeId = IX_NPEMH_NPEID_NPEC;
+#ifdef __ixp46X
+    ixEthAccPortData[IX_ETH_PORT_3].npeId = IX_NPEMH_NPEID_NPEA;
+#endif
+    /* set the default rx scheduling discipline */
+    ixEthAccDataInfo.schDiscipline = FIFO_NO_PRIORITY;
+
+    /*
+     * Queue Selection step:
+     *
+     * The following code selects all the queues and build
+     * a temporary array which contains for each queue
+     * - the queue Id,
+     * - the highest traffic class (in case of many
+     * priorities configured for the same queue on different
+     * ports)
+     * - the number of different Npes which are
+     * configured to write to this queue.
+     *
+     * The output of this loop is a temporary array of RX queues
+     * in any order.
+     *
+     */
+#ifdef CONFIG_IXP425_COMPONENT_ETHDB
+    for (ixEthAccPortId = 0;
+	 (ixEthAccPortId < IX_ETH_ACC_NUMBER_OF_PORTS)
+	     && (ret == IX_ETH_ACC_SUCCESS);
+	 ixEthAccPortId++)
+    {
+	/* map between ethDb and ethAcc port Ids */
+	ixEthDbPortId = (IxEthDBPortId)ixEthAccPortId;
+
+	/* map between npeId and ethAcc port Ids */
+	ixNpeId = IX_ETH_ACC_PORT_TO_NPE_ID(ixEthAccPortId);
+
+	/* Iterate thru the different priorities */
+	for (ixEthDBTrafficClass = IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY;
+	     ixEthDBTrafficClass <= IX_ETH_DB_QOS_TRAFFIC_CLASS_7_RX_QUEUE_PROPERTY;
+	     ixEthDBTrafficClass++)
+	{
+	    ixEthDBStatus = ixEthDBFeaturePropertyGet(
+	      ixEthDbPortId,
+	      IX_ETH_DB_VLAN_QOS,
+	      ixEthDBTrafficClass,
+	      &ixEthDBPropertyType,
+	      (void *)&ixEthDBParameter);
+
+	    if (ixEthDBStatus == IX_ETH_DB_SUCCESS)
+	    {
+		/* This port and QoS class are mapped to
+		 * a RX queue.
+		 */
+		if (ixEthDBPropertyType == IX_ETH_DB_INTEGER_PROPERTY)
+		{
+		    /* remember the highest npe Id supporting ethernet */
+		    if (ixNpeId > ixHighestNpeId)
+		    {
+			ixHighestNpeId = ixNpeId;
+		    }
+
+		    /* search the queue in the list of queues
+		     * already used by an other port or QoS
+		     */
+		    for (rxQueue = 0;
+			 rxQueue < rxQueueCount;
+			 rxQueue++)
+		    {
+			if (rxQueues[rxQueue].qId == (IxQMgrQId)ixEthDBParameter)
+			{
+			    /* found an existing setup, update the number of ports
+			     * for this queue if the port maps to
+			     * a different NPE.
+			     */
+			    if (rxQueues[rxQueue].npeId != ixNpeId)
+			    {
+				rxQueues[rxQueue].npeCount++;
+				rxQueues[rxQueue].npeId = ixNpeId;
+			    }
+			    /* get the highest traffic class for this queue */
+			    if (rxQueues[rxQueue].trafficClass > ixEthDBTrafficClass)
+			    {
+				rxQueues[rxQueue].trafficClass = ixEthDBTrafficClass;
+			    }
+			    break;
+			}
+		    }
+		    if (rxQueue == rxQueueCount)
+		    {
+			/* new queue not found in the current list,
+			 * add a new entry.
+			 */
+			IX_OSAL_ASSERT(rxQueueCount < IX_ETHACC_MAX_RX_QUEUES);
+			rxQueues[rxQueueCount].qId = ixEthDBParameter;
+			rxQueues[rxQueueCount].npeCount = 1;
+			rxQueues[rxQueueCount].npeId = ixNpeId;
+			rxQueues[rxQueueCount].trafficClass = ixEthDBTrafficClass;
+			rxQueueCount++;
+		    }
+		}
+		else
+		{
+		    /* unexpected property type (not Integer) */
+		    ret = IX_ETH_ACC_FAIL;
+
+                    IX_ETH_ACC_WARNING_LOG("ixEthAccQMgrQueuesConfig: unexpected property type returned by EthDB\n", 0, 0, 0, 0, 0, 0);
+
+		    /* no point to continue to iterate */
+		    break;
+		}
+	    }
+	    else
+	    {
+		/* No Rx queue configured for this port
+		 * and this traffic class. Do nothing.
+		 */
+	    }
+	}
+
+        /* notify EthDB that queue initialization is complete and traffic class allocation is frozen */
+        ixEthDBFeaturePropertySet(ixEthDbPortId,
+            IX_ETH_DB_VLAN_QOS,
+            IX_ETH_DB_QOS_QUEUE_CONFIGURATION_COMPLETE,
+            NULL /* ignored */);
+    }
+
+#else
+
+    ixNpeId = IX_ETH_ACC_PORT_TO_NPE_ID(ixEthAccPortId);
+    rxQueues[0].qId = 4;
+    rxQueues[0].npeCount = 1;
+    rxQueues[0].npeId = ixNpeId;
+    rxQueues[0].trafficClass = IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY;
+    rxQueueCount++;
+
+#endif
+
+    /* check there is at least 1 rx queue : there is no point
+     * to continue if there is no rx queue configured
+     */
+    if ((rxQueueCount == 0) || (ret == IX_ETH_ACC_FAIL))
+    {
+        IX_ETH_ACC_WARNING_LOG("ixEthAccQMgrQueuesConfig: no queues configured, bailing out\n", 0, 0, 0, 0, 0, 0);
+	return (IX_ETH_ACC_FAIL);
+    }
+
+    /* Queue sort step:
+     *
+     * Re-order the array of queues by decreasing traffic class
+     * using a bubble sort. (trafficClass 0 is the lowest
+     * priority traffic, trafficClass 7 is the highest priority traffic)
+     *
+     * Primary sort order is traffic class
+     * Secondary sort order is npeId
+     *
+     * Note that a bubble sort algorithm is not very efficient when
+     * the number of queues grows . However, this is not a very bad choice
+     * considering the very small number of entries to sort. Also, bubble
+     * sort is extremely fast when the list is already sorted.
+     *
+     * The output of this loop is a sorted array of queues.
+     *
+     */
+    sortIterations = 0;
+    do
+    {
+	sortIterations++;
+	completelySorted = TRUE;
+	for (rxQueue = 0;
+	     rxQueue < rxQueueCount - sortIterations;
+	     rxQueue++)
+	{
+	    /* compare adjacent elements */
+	    if ((rxQueues[rxQueue].trafficClass <
+		rxQueues[rxQueue+1].trafficClass)
+		|| ((rxQueues[rxQueue].trafficClass ==
+		     rxQueues[rxQueue+1].trafficClass)
+		    &&(rxQueues[rxQueue].npeId <
+		       rxQueues[rxQueue+1].npeId)))
+	    {
+		/* swap adjacent elements */
+		int npeCount = rxQueues[rxQueue].npeCount;
+		UINT32 npeId = rxQueues[rxQueue].npeId;
+		IxQMgrQId qId = rxQueues[rxQueue].qId;
+		IxEthDBProperty trafficClass = rxQueues[rxQueue].trafficClass;
+		rxQueues[rxQueue].npeCount = rxQueues[rxQueue+1].npeCount;
+		rxQueues[rxQueue].npeId = rxQueues[rxQueue+1].npeId;
+		rxQueues[rxQueue].qId = rxQueues[rxQueue+1].qId;
+		rxQueues[rxQueue].trafficClass = rxQueues[rxQueue+1].trafficClass;
+		rxQueues[rxQueue+1].npeCount = npeCount;
+		rxQueues[rxQueue+1].npeId = npeId;
+		rxQueues[rxQueue+1].qId = qId;
+		rxQueues[rxQueue+1].trafficClass = trafficClass;
+		completelySorted = FALSE;
+	    }
+	}
+    }
+    while (!completelySorted);
+
+    /* Queue traffic class list:
+     *
+     * Fill an array of rx queues linked by ascending traffic classes.
+     *
+     * If the queues are configured as follows
+     *   qId 6 -> traffic class 0 (lowest)
+     *   qId 7 -> traffic class 0
+     *   qId 8 -> traffic class 6
+     *   qId 12 -> traffic class 7 (highest)
+     *
+     * Then the output of this loop will be
+     *
+     * higherPriorityQueue[6] = 8
+     * higherPriorityQueue[7] = 8
+     * higherPriorityQueue[8] = 12
+     * higherPriorityQueue[12] = Invalid queueId
+     * higherPriorityQueue[...] = Invalid queueId
+     *
+     * Note that this queue ordering does not handle all possibilities
+     * that could result from different rules associated with different
+     * ports, and inconsistencies in the rules. In all cases, the
+     * output of this  algorithm is a simple linked list of queues,
+     * without closed circuit.
+
+     * This list is implemented as an array with invalid values initialized
+     * with an "invalid" queue id which is the maximum number of queues.
+     *
+     */
+
+    /*
+     * Initialise the rx queue list.
+     */
+    for (rxQueue = 0; rxQueue < IX_QMGR_MAX_NUM_QUEUES; rxQueue++)
+    {
+	ixEthAccDataInfo.higherPriorityQueue[rxQueue] = IX_QMGR_MAX_NUM_QUEUES;
+    }
+
+    /* build the linked list for this NPE.
+     */
+    for (ixNpeId = 0;
+	 ixNpeId <= ixHighestNpeId;
+	 ixNpeId++)
+    {
+	/* iterate thru the sorted list of queues
+	 */
+	ixQId = IX_QMGR_MAX_NUM_QUEUES;
+	for (rxQueue = 0;
+	     rxQueue < rxQueueCount;
+	     rxQueue++)
+	{
+	    if (rxQueues[rxQueue].npeId == ixNpeId)
+	    {
+		ixEthAccDataInfo.higherPriorityQueue[rxQueues[rxQueue].qId] = ixQId;
+		/* iterate thru queues with the same traffic class
+		 * than the current queue. (queues are ordered by descending
+		 * traffic classes and npeIds).
+		 */
+		while ((rxQueue < rxQueueCount - 1)
+		       && (rxQueues[rxQueue].trafficClass
+			   == rxQueues[rxQueue+1].trafficClass)
+		       && (ixNpeId == rxQueues[rxQueue].npeId))
+		{
+		    rxQueue++;
+		    ixEthAccDataInfo.higherPriorityQueue[rxQueues[rxQueue].qId] = ixQId;
+		}
+		ixQId = rxQueues[rxQueue].qId;
+	    }
+	}
+    }
+
+    /* point on the first dynamic queue description */
+    qInfoDes = ixEthAccQmgrRxQueuesInfo;
+
+    /* update the list of queues with the rx queues */
+    for (rxQueue = 0;
+	 (rxQueue < rxQueueCount) && (ret == IX_ETH_ACC_SUCCESS);
+	 rxQueue++)
+    {
+	/* Don't utilize more than IX_ETHACC_MAX_LARGE_RX_QUEUES queues
+	 * with the full 128 entries.  For the lower priority queues, use
+	 * a smaller number of entries.  This ensures queue resources
+	 * remain available for other components.
+	 */
+	if( (rxQueueCount > IX_ETHACC_MAX_LARGE_RX_QUEUES) &&
+	    (rxQueue < rxQueueCount - IX_ETHACC_MAX_LARGE_RX_QUEUES) )
+	{
+	    /* add the small RX Queue setup template to the list of queues */
+	    memcpy(qInfoDes, &ixEthAccQmgrRxSmallTemplate, sizeof(*qInfoDes));
+	} else {
+	    /* add the default RX Queue setup template to the list of queues */
+	    memcpy(qInfoDes, &ixEthAccQmgrRxDefaultTemplate, sizeof(*qInfoDes));
+	}
+
+	/* setup the RxQueue ID */
+	qInfoDes->qId = rxQueues[rxQueue].qId;
+
+	/* setup the RxQueue watermark level
+	 *
+	 * Each queue can be filled by many NPEs. To avoid the
+	 * NPEs to write to a full queue, need to set the
+	 * high watermark level for nearly full condition.
+	 * (the high watermark level are a power of 2
+	 * starting from the top of the queue)
+	 *
+	 * Number of     watermark
+         *   ports        level
+         *    1             0
+	 *    2             1
+	 *    3             2
+	 *    4             4
+	 *    5             4
+	 *    6             8
+	 *    n          approx. 2**ceil(log2(n))
+	 */
+	if (rxQueues[rxQueue].npeCount == 1)
+	{
+	    qInfoDes->AlmostFullThreshold = IX_QMGR_Q_WM_LEVEL0;
+	}
+	else if (rxQueues[rxQueue].npeCount == 2)
+	{
+	    qInfoDes->AlmostFullThreshold = IX_QMGR_Q_WM_LEVEL1;
+	}
+	else if (rxQueues[rxQueue].npeCount == 3)
+	{
+	    qInfoDes->AlmostFullThreshold = IX_QMGR_Q_WM_LEVEL2;
+	}
+	else
+	{
+	    /* reach the maximum number for CSR 2.0 */
+            IX_ETH_ACC_WARNING_LOG("ixEthAccQMgrQueuesConfig: maximum number of NPEs per queue reached, bailing out\n", 0, 0, 0, 0, 0, 0);
+	    ret = IX_ETH_ACC_FAIL;
+	    break;
+	}
+
+	/* move to next queue entry */
+	++qInfoDes;
+    }
+
+    /* configure the static list (RxFree, Tx and TxDone queues) */
+    for (qInfoDes = ixEthAccQmgrStaticInfo;
+	 (qInfoDes->qCallback != (IxQMgrCallback) NULL )
+	     && (ret == IX_ETH_ACC_SUCCESS);
+	 ++qInfoDes)
+    {
+	ret = ixEthAccQMgrQueueSetup(qInfoDes);
+    }
+
+    /* configure the dynamic list (Rx queues) */
+    for (qInfoDes = ixEthAccQmgrRxQueuesInfo;
+	 (qInfoDes->qCallback != (IxQMgrCallback) NULL )
+	     && (ret == IX_ETH_ACC_SUCCESS);
+	 ++qInfoDes)
+    {
+	ret = ixEthAccQMgrQueueSetup(qInfoDes);
+    }
+
+    return(ret);
+}
+
+/**
+ * @fn ixEthAccQMgrRxQEntryGet(UINT32 *rxQueueEntries)
+ *
+ * @brief Add and return the total number of entries in all Rx queues
+ *
+ * @param UINT32 rxQueueEntries[in] number of entries in all queues
+ *
+ * @return void
+ *
+ * @note Rx queues configuration is driven by Qos Setup. There is a
+ * variable number of rx queues which are set at initialisation.
+ *
+ * @internal
+ */
+IX_ETH_ACC_PUBLIC
+void ixEthAccQMgrRxQEntryGet(UINT32 *numRxQueueEntries)
+{
+    UINT32 rxQueueLevel;
+    IxEthAccQregInfo *qInfoDes;;
+
+    *numRxQueueEntries = 0;
+
+    /* iterate thru rx queues */
+    for (qInfoDes = ixEthAccQmgrRxQueuesInfo;
+	 qInfoDes->qCallback != (IxQMgrCallback)NULL;
+	 ++qInfoDes)
+    {
+	/* retrieve the rx queue level */
+	rxQueueLevel = 0;
+	ixQMgrQNumEntriesGet(qInfoDes->qId, &rxQueueLevel);
+	(*numRxQueueEntries) += rxQueueLevel;
+    }
+}
+
+/**
+ * @fn ixEthAccQMgrRxCallbacksRegister(IxQMgrCallback ixQMgrCallback)
+ *
+ * @brief Change the callback registered to all rx queues.
+ *
+ * @param IxQMgrCallback ixQMgrCallback[in] QMgr callback to register
+ *
+ * @return IxEthAccStatus
+ *
+ * @note The user may decide to use different Rx mechanisms
+ * (e.g. receive many frames at the same time , or receive
+ *  one frame at a time, depending on the overall application
+ *  performances). A different QMgr callback is registered. This
+ *  way, there is no excessive pointer checks in the datapath.
+ *
+ * @internal
+ */
+IX_ETH_ACC_PUBLIC
+IxEthAccStatus ixEthAccQMgrRxCallbacksRegister(IxQMgrCallback ixQMgrCallback)
+{
+    IxEthAccQregInfo *qInfoDes;
+    IxEthAccStatus ret = IX_ETH_ACC_SUCCESS;
+
+    /* parameter check */
+    if (NULL == ixQMgrCallback)
+    {
+	ret = IX_ETH_ACC_FAIL;
+    }
+
+    /* iterate thru rx queues */
+    for (qInfoDes = ixEthAccQmgrRxQueuesInfo;
+	 (qInfoDes->qCallback != (IxQMgrCallback) NULL )
+	     && (ret == IX_ETH_ACC_SUCCESS);
+	 ++qInfoDes)
+    {
+	/* register the rx callback for all queues */
+	if (ixQMgrNotificationCallbackSet(qInfoDes->qId,
+					     ixQMgrCallback,
+					     qInfoDes->callbackTag
+					     ) != IX_SUCCESS)
+	{
+	    ret = IX_ETH_ACC_FAIL;
+	}
+    }
+    return(ret);
+}
+
+/**
+ * @fn ixEthAccSingleEthNpeCheck(IxEthAccPortId portId)
+ *
+ * @brief Check the npe exists for this port
+ *
+ * @param IxEthAccPortId portId[in] port
+ *
+ * @return IxEthAccStatus
+ *
+ * @internal
+ */
+IX_ETH_ACC_PUBLIC
+IxEthAccStatus ixEthAccSingleEthNpeCheck(IxEthAccPortId portId)
+{
+
+    /* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */
+    if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
+        (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
+        || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
+      {
+            if ((IX_ETH_PORT_1 == portId) &&
+                (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
+                 IX_FEATURE_CTRL_COMPONENT_ENABLED))
+            {
+                return IX_ETH_ACC_SUCCESS;
+            }
+
+            if ((IX_ETH_PORT_2 == portId) &&
+                (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
+                 IX_FEATURE_CTRL_COMPONENT_ENABLED))
+            {
+                return IX_ETH_ACC_SUCCESS;
+            }
+
+            if ((IX_ETH_PORT_3 == portId) &&
+                (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
+                 IX_FEATURE_CTRL_COMPONENT_ENABLED))
+            {
+                return IX_ETH_ACC_SUCCESS;
+            }
+
+            return IX_ETH_ACC_FAIL;
+      }
+
+    return IX_ETH_ACC_SUCCESS;
+}
+
+/**
+ * @fn ixEthAccStatsShow(void)
+ *
+ * @brief Displays all EthAcc stats
+ *
+ * @return void
+ *
+ */
+void ixEthAccStatsShow(IxEthAccPortId portId)
+{
+    ixEthAccMdioShow();
+
+    printf("\nPort %u\nUnicast MAC : ", portId);
+    ixEthAccPortUnicastAddressShow(portId);
+    ixEthAccPortMulticastAddressShow(portId);
+    printf("\n");
+
+    ixEthAccDataPlaneShow();
+}
+
+
+