diff options
Diffstat (limited to 'drivers/net/npe/IxQMgrQCfg.c')
| -rw-r--r-- | drivers/net/npe/IxQMgrQCfg.c | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/drivers/net/npe/IxQMgrQCfg.c b/drivers/net/npe/IxQMgrQCfg.c deleted file mode 100644 index b64bb2dd90..0000000000 --- a/drivers/net/npe/IxQMgrQCfg.c +++ /dev/null @@ -1,519 +0,0 @@ -/** - * @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 - * SPDX-License-Identifier: BSD-3-Clause - * @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; -} |