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diff --git a/cpu/ixp/npe/IxQMgrQCfg.c b/cpu/ixp/npe/IxQMgrQCfg.c
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-/**
- * @file QMgrQCfg.c
- *
- * @author Intel Corporation
- * @date 30-Oct-2001
- *
- * @brief This modules provides an interface for setting up the static
- * configuration of AQM queues.This file contains the following
- * functions:
- *
- *
- *
- * @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 --
-*/
-
-/*
- * System defined include files.
- */
-
-/*
- * User defined include files.
- */
-#include "IxOsal.h"
-#include "IxQMgr.h"
-#include "IxQMgrAqmIf_p.h"
-#include "IxQMgrQCfg_p.h"
-#include "IxQMgrDefines_p.h"
-
-/*
- * #defines and macros used in this file.
- */
-
-#define IX_QMGR_MIN_ENTRY_SIZE_IN_WORDS 16
-
-/* Total size of SRAM */
-#define IX_QMGR_AQM_SRAM_SIZE_IN_BYTES 0x4000
-
-/*
- * Check that qId is a valid queue identifier. This is provided to
- * make the code easier to read.
- */
-#define IX_QMGR_QID_IS_VALID(qId) \
-(((qId) >= (IX_QMGR_MIN_QID)) && ((qId) <= (IX_QMGR_MAX_QID)))
-
-/*
- * Typedefs whose scope is limited to this file.
- */
-
-/*
- * This struct describes an AQM queue.
- * N.b. bufferSizeInWords and qEntrySizeInWords are stored in the queue
- * as these are requested by Access in the data path. sizeInEntries is
- * not required by the data path so it can be calculated dynamically.
- *
- */
-typedef struct
-{
- char qName[IX_QMGR_MAX_QNAME_LEN+1]; /* Textual description of a queue*/
- IxQMgrQSizeInWords qSizeInWords; /* The number of words in the queue */
- IxQMgrQEntrySizeInWords qEntrySizeInWords; /* Number of words per queue entry*/
- BOOL isConfigured; /* This flag is TRUE if the queue has
- * been configured
- */
-} IxQMgrCfgQ;
-
-/*
- * Variable declarations global to this file. Externs are followed by
- * statics.
- */
-
-extern UINT32 * ixQMgrAqmIfQueAccRegAddr[];
-
-/* Store data required to inline read and write access
- */
-IxQMgrQInlinedReadWriteInfo ixQMgrQInlinedReadWriteInfo[IX_QMGR_MAX_NUM_QUEUES];
-
-static IxQMgrCfgQ cfgQueueInfo[IX_QMGR_MAX_NUM_QUEUES];
-
-/* This pointer holds the starting address of AQM SRAM not used by
- * the AQM queues.
- */
-static UINT32 freeSramAddress=0;
-
-/* 4 words of zeroed memory for inline access */
-static UINT32 zeroedPlaceHolder[4] = { 0, 0, 0, 0 };
-
-static BOOL cfgInitialized = FALSE;
-
-static IxOsalMutex ixQMgrQCfgMutex;
-
-/*
- * Statistics
- */
-static IxQMgrQCfgStats stats;
-
-/*
- * Function declarations
- */
-PRIVATE BOOL
-watermarkLevelIsOk (IxQMgrQId qId, IxQMgrWMLevel level);
-
-PRIVATE BOOL
-qSizeInWordsIsOk (IxQMgrQSizeInWords qSize);
-
-PRIVATE BOOL
-qEntrySizeInWordsIsOk (IxQMgrQEntrySizeInWords entrySize);
-
-/*
- * Function definitions.
- */
-void
-ixQMgrQCfgInit (void)
-{
- int loopIndex;
-
- for (loopIndex=0; loopIndex < IX_QMGR_MAX_NUM_QUEUES;loopIndex++)
- {
- /* info for code inlining */
- ixQMgrAqmIfQueAccRegAddr[loopIndex] = zeroedPlaceHolder;
-
- /* info for code inlining */
- ixQMgrQInlinedReadWriteInfo[loopIndex].qReadCount = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qWriteCount = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qAccRegAddr = zeroedPlaceHolder;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qUOStatRegAddr = zeroedPlaceHolder;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qUflowStatBitMask = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qOflowStatBitMask = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qEntrySizeInWords = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qSizeInEntries = 0;
- ixQMgrQInlinedReadWriteInfo[loopIndex].qConfigRegAddr = zeroedPlaceHolder;
- }
-
- /* Initialise the AqmIf component */
- ixQMgrAqmIfInit ();
-
- /* Reset all queues to have queue name = NULL, entry size = 0 and
- * isConfigured = false
- */
- for (loopIndex=0; loopIndex < IX_QMGR_MAX_NUM_QUEUES;loopIndex++)
- {
- strcpy (cfgQueueInfo[loopIndex].qName, "");
- cfgQueueInfo[loopIndex].qSizeInWords = 0;
- cfgQueueInfo[loopIndex].qEntrySizeInWords = 0;
- cfgQueueInfo[loopIndex].isConfigured = FALSE;
-
- /* Statistics */
- stats.qStats[loopIndex].isConfigured = FALSE;
- stats.qStats[loopIndex].qName = cfgQueueInfo[loopIndex].qName;
- }
-
- /* Statistics */
- stats.wmSetCnt = 0;
-
- ixQMgrAqmIfSramBaseAddressGet (&freeSramAddress);
-
- ixOsalMutexInit(&ixQMgrQCfgMutex);
-
- cfgInitialized = TRUE;
-}
-
-void
-ixQMgrQCfgUninit (void)
-{
- cfgInitialized = FALSE;
-
- /* Uninitialise the AqmIf component */
- ixQMgrAqmIfUninit ();
-}
-
-IX_STATUS
-ixQMgrQConfig (char *qName,
- IxQMgrQId qId,
- IxQMgrQSizeInWords qSizeInWords,
- IxQMgrQEntrySizeInWords qEntrySizeInWords)
-{
- UINT32 aqmLocalBaseAddress;
-
- if (!cfgInitialized)
- {
- return IX_FAIL;
- }
-
- if (!IX_QMGR_QID_IS_VALID(qId))
- {
- return IX_QMGR_INVALID_Q_ID;
- }
-
- else if (NULL == qName)
- {
- return IX_QMGR_PARAMETER_ERROR;
- }
-
- else if (strlen (qName) > IX_QMGR_MAX_QNAME_LEN)
- {
- return IX_QMGR_PARAMETER_ERROR;
- }
-
- else if (!qSizeInWordsIsOk (qSizeInWords))
- {
- return IX_QMGR_INVALID_QSIZE;
- }
-
- else if (!qEntrySizeInWordsIsOk (qEntrySizeInWords))
- {
- return IX_QMGR_INVALID_Q_ENTRY_SIZE;
- }
-
- else if (cfgQueueInfo[qId].isConfigured)
- {
- return IX_QMGR_Q_ALREADY_CONFIGURED;
- }
-
- ixOsalMutexLock(&ixQMgrQCfgMutex, IX_OSAL_WAIT_FOREVER);
-
- /* Write the config register */
- ixQMgrAqmIfQueCfgWrite (qId,
- qSizeInWords,
- qEntrySizeInWords,
- freeSramAddress);
-
-
- strcpy (cfgQueueInfo[qId].qName, qName);
- cfgQueueInfo[qId].qSizeInWords = qSizeInWords;
- cfgQueueInfo[qId].qEntrySizeInWords = qEntrySizeInWords;
-
- /* store pre-computed information in the same cache line
- * to facilitate inlining of QRead and QWrite functions
- * in IxQMgr.h
- */
- ixQMgrQInlinedReadWriteInfo[qId].qReadCount = 0;
- ixQMgrQInlinedReadWriteInfo[qId].qWriteCount = 0;
- ixQMgrQInlinedReadWriteInfo[qId].qEntrySizeInWords = qEntrySizeInWords;
- ixQMgrQInlinedReadWriteInfo[qId].qSizeInEntries =
- (UINT32)qSizeInWords / (UINT32)qEntrySizeInWords;
-
- /* Calculate the new freeSramAddress from the size of the queue
- * currently being configured.
- */
- freeSramAddress += (qSizeInWords * IX_QMGR_NUM_BYTES_PER_WORD);
-
- /* Get the virtual SRAM address */
- ixQMgrAqmIfBaseAddressGet (&aqmLocalBaseAddress);
-
- IX_OSAL_ASSERT((freeSramAddress - (aqmLocalBaseAddress + (IX_QMGR_QUEBUFFER_SPACE_OFFSET))) <=
- IX_QMGR_QUE_BUFFER_SPACE_SIZE);
-
- /* The queue is now configured */
- cfgQueueInfo[qId].isConfigured = TRUE;
-
- ixOsalMutexUnlock(&ixQMgrQCfgMutex);
-
-#ifndef NDEBUG
- /* Update statistics */
- stats.qStats[qId].isConfigured = TRUE;
- stats.qStats[qId].qName = cfgQueueInfo[qId].qName;
-#endif
- return IX_SUCCESS;
-}
-
-IxQMgrQSizeInWords
-ixQMgrQSizeInWordsGet (IxQMgrQId qId)
-{
- /* No parameter checking as this is used on the data path */
- return (cfgQueueInfo[qId].qSizeInWords);
-}
-
-IX_STATUS
-ixQMgrQSizeInEntriesGet (IxQMgrQId qId,
- unsigned *qSizeInEntries)
-{
- if (!ixQMgrQIsConfigured(qId))
- {
- return IX_QMGR_Q_NOT_CONFIGURED;
- }
-
- if(NULL == qSizeInEntries)
- {
- return IX_QMGR_PARAMETER_ERROR;
- }
-
- *qSizeInEntries = (UINT32)(cfgQueueInfo[qId].qSizeInWords) /
- (UINT32)cfgQueueInfo[qId].qEntrySizeInWords;
-
- return IX_SUCCESS;
-}
-
-IxQMgrQEntrySizeInWords
-ixQMgrQEntrySizeInWordsGet (IxQMgrQId qId)
-{
- /* No parameter checking as this is used on the data path */
- return (cfgQueueInfo[qId].qEntrySizeInWords);
-}
-
-IX_STATUS
-ixQMgrWatermarkSet (IxQMgrQId qId,
- IxQMgrWMLevel ne,
- IxQMgrWMLevel nf)
-{
- IxQMgrQStatus qStatusOnEntry;/* The queue status on entry/exit */
- IxQMgrQStatus qStatusOnExit; /* to this function */
-
- if (!ixQMgrQIsConfigured(qId))
- {
- return IX_QMGR_Q_NOT_CONFIGURED;
- }
-
- if (!watermarkLevelIsOk (qId, ne))
- {
- return IX_QMGR_INVALID_Q_WM;
- }
-
- if (!watermarkLevelIsOk (qId, nf))
- {
- return IX_QMGR_INVALID_Q_WM;
- }
-
- /* Get the current queue status */
- ixQMgrAqmIfQueStatRead (qId, &qStatusOnEntry);
-
-#ifndef NDEBUG
- /* Update statistics */
- stats.wmSetCnt++;
-#endif
-
- ixQMgrAqmIfWatermarkSet (qId,
- ne,
- nf);
-
- /* Get the current queue status */
- ixQMgrAqmIfQueStatRead (qId, &qStatusOnExit);
-
- /* If the status has changed return a warning */
- if (qStatusOnEntry != qStatusOnExit)
- {
- return IX_QMGR_WARNING;
- }
-
- return IX_SUCCESS;
-}
-
-IX_STATUS
-ixQMgrAvailableSramAddressGet (UINT32 *address,
- unsigned *sizeOfFreeRam)
-{
- UINT32 aqmLocalBaseAddress;
-
- if ((NULL == address)||(NULL == sizeOfFreeRam))
- {
- return IX_QMGR_PARAMETER_ERROR;
- }
- if (!cfgInitialized)
- {
- return IX_FAIL;
- }
-
- *address = freeSramAddress;
-
- /* Get the virtual SRAM address */
- ixQMgrAqmIfBaseAddressGet (&aqmLocalBaseAddress);
-
- /*
- * Calculate the size in bytes of free sram
- * i.e. current free SRAM virtual pointer from
- * (base + total size)
- */
- *sizeOfFreeRam =
- (aqmLocalBaseAddress +
- IX_QMGR_AQM_SRAM_SIZE_IN_BYTES) -
- freeSramAddress;
-
- if (0 == *sizeOfFreeRam)
- {
- return IX_QMGR_NO_AVAILABLE_SRAM;
- }
-
- return IX_SUCCESS;
-}
-
-BOOL
-ixQMgrQIsConfigured (IxQMgrQId qId)
-{
- if (!IX_QMGR_QID_IS_VALID(qId))
- {
- return FALSE;
- }
-
- return cfgQueueInfo[qId].isConfigured;
-}
-
-IxQMgrQCfgStats*
-ixQMgrQCfgStatsGet (void)
-{
- return &stats;
-}
-
-IxQMgrQCfgStats*
-ixQMgrQCfgQStatsGet (IxQMgrQId qId)
-{
- unsigned int ne;
- unsigned int nf;
- UINT32 baseAddress;
- UINT32 readPtr;
- UINT32 writePtr;
-
- stats.qStats[qId].qSizeInWords = cfgQueueInfo[qId].qSizeInWords;
- stats.qStats[qId].qEntrySizeInWords = cfgQueueInfo[qId].qEntrySizeInWords;
-
- if (IX_SUCCESS != ixQMgrQNumEntriesGet (qId, &stats.qStats[qId].numEntries))
- {
- if (IX_QMGR_WARNING != ixQMgrQNumEntriesGet (qId, &stats.qStats[qId].numEntries))
- {
- IX_QMGR_LOG_WARNING1("Failed to get the number of entries in queue.... %d\n", qId);
- }
- }
-
- ixQMgrAqmIfQueCfgRead (qId,
- stats.qStats[qId].numEntries,
- &baseAddress,
- &ne,
- &nf,
- &readPtr,
- &writePtr);
-
- stats.qStats[qId].baseAddress = baseAddress;
- stats.qStats[qId].ne = ne;
- stats.qStats[qId].nf = nf;
- stats.qStats[qId].readPtr = readPtr;
- stats.qStats[qId].writePtr = writePtr;
-
- return &stats;
-}
-
-/*
- * Static function definitions
- */
-
-PRIVATE BOOL
-watermarkLevelIsOk (IxQMgrQId qId, IxQMgrWMLevel level)
-{
- unsigned qSizeInEntries;
-
- switch (level)
- {
- case IX_QMGR_Q_WM_LEVEL0:
- case IX_QMGR_Q_WM_LEVEL1:
- case IX_QMGR_Q_WM_LEVEL2:
- case IX_QMGR_Q_WM_LEVEL4:
- case IX_QMGR_Q_WM_LEVEL8:
- case IX_QMGR_Q_WM_LEVEL16:
- case IX_QMGR_Q_WM_LEVEL32:
- case IX_QMGR_Q_WM_LEVEL64:
- break;
- default:
- return FALSE;
- }
-
- /* Check watermark is not bigger than the qSizeInEntries */
- ixQMgrQSizeInEntriesGet(qId, &qSizeInEntries);
-
- if ((unsigned)level > qSizeInEntries)
- {
- return FALSE;
- }
-
- return TRUE;
-}
-
-PRIVATE BOOL
-qSizeInWordsIsOk (IxQMgrQSizeInWords qSize)
-{
- BOOL status;
-
- switch (qSize)
- {
- case IX_QMGR_Q_SIZE16:
- case IX_QMGR_Q_SIZE32:
- case IX_QMGR_Q_SIZE64:
- case IX_QMGR_Q_SIZE128:
- status = TRUE;
- break;
- default:
- status = FALSE;
- break;
- }
-
- return status;
-}
-
-PRIVATE BOOL
-qEntrySizeInWordsIsOk (IxQMgrQEntrySizeInWords entrySize)
-{
- BOOL status;
-
- switch (entrySize)
- {
- case IX_QMGR_Q_ENTRY_SIZE1:
- case IX_QMGR_Q_ENTRY_SIZE2:
- case IX_QMGR_Q_ENTRY_SIZE4:
- status = TRUE;
- break;
- default:
- status = FALSE;
- break;
- }
-
- return status;
-}
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