diff options
Diffstat (limited to 'drivers/net/npe/IxOsalBufferMgt.c')
| -rw-r--r-- | drivers/net/npe/IxOsalBufferMgt.c | 776 |
1 files changed, 0 insertions, 776 deletions
diff --git a/drivers/net/npe/IxOsalBufferMgt.c b/drivers/net/npe/IxOsalBufferMgt.c deleted file mode 100644 index f70ba05..0000000 --- a/drivers/net/npe/IxOsalBufferMgt.c +++ /dev/null @@ -1,776 +0,0 @@ -/** - * @file IxOsalBufferMgt.c - * - * @brief Default buffer pool management and buffer management - * Implementation. - * - * Design Notes: - * - * @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 -- - */ - -/* - * OS may choose to use default bufferMgt by defining - * IX_OSAL_USE_DEFAULT_BUFFER_MGT in IxOsalOsBufferMgt.h - */ - -#include "IxOsal.h" - -#define IX_OSAL_BUFFER_FREE_PROTECTION /* Define this to enable Illegal MBuf Freed Protection*/ - -/* - * The implementation is only used when the following - * is defined. - */ -#ifdef IX_OSAL_USE_DEFAULT_BUFFER_MGT - - -#define IX_OSAL_MBUF_SYS_SIGNATURE (0x8BADF00D) -#define IX_OSAL_MBUF_SYS_SIGNATURE_MASK (0xEFFFFFFF) -#define IX_OSAL_MBUF_USED_FLAG (0x10000000) -#define IX_OSAL_MBUF_SYS_SIGNATURE_INIT(bufPtr) IX_OSAL_MBUF_SIGNATURE (bufPtr) = (UINT32)IX_OSAL_MBUF_SYS_SIGNATURE - -/* -* This implementation is protect, the buffer pool management's ixOsalMBufFree -* against an invalid MBUF pointer argument that already has been freed earlier -* or in other words resides in the free pool of MBUFs. This added feature, -* checks the MBUF "USED" FLAG. The Flag tells if the MBUF is still not freed -* back to the Buffer Pool. -* Disable this feature for performance reasons by undef -* IX_OSAL_BUFFER_FREE_PROTECTION macro. -*/ -#ifdef IX_OSAL_BUFFER_FREE_PROTECTION /*IX_OSAL_BUFFER_FREE_PROTECTION With Buffer Free protection*/ - -#define IX_OSAL_MBUF_GET_SYS_SIGNATURE(bufPtr) (IX_OSAL_MBUF_SIGNATURE (bufPtr)&(IX_OSAL_MBUF_SYS_SIGNATURE_MASK) ) -#define IX_OSAL_MBUF_SET_SYS_SIGNATURE(bufPtr) do { \ - IX_OSAL_MBUF_SIGNATURE (bufPtr)&(~IX_OSAL_MBUF_SYS_SIGNATURE_MASK);\ - IX_OSAL_MBUF_SIGNATURE (bufPtr)|=IX_OSAL_MBUF_SYS_SIGNATURE; \ - }while(0) - -#define IX_OSAL_MBUF_SET_USED_FLAG(bufPtr) IX_OSAL_MBUF_SIGNATURE (bufPtr)|=IX_OSAL_MBUF_USED_FLAG -#define IX_OSAL_MBUF_CLEAR_USED_FLAG(bufPtr) IX_OSAL_MBUF_SIGNATURE (bufPtr)&=~IX_OSAL_MBUF_USED_FLAG -#define IX_OSAL_MBUF_ISSET_USED_FLAG(bufPtr) (IX_OSAL_MBUF_SIGNATURE (bufPtr)&IX_OSAL_MBUF_USED_FLAG) - -#else - -#define IX_OSAL_MBUF_GET_SYS_SIGNATURE(bufPtr) IX_OSAL_MBUF_SIGNATURE (bufPtr) -#define IX_OSAL_MBUF_SET_SYS_SIGNATURE(bufPtr) IX_OSAL_MBUF_SIGNATURE (bufPtr) = IX_OSAL_MBUF_SYS_SIGNATURE - -#endif /*IX_OSAL_BUFFER_FREE_PROTECTION With Buffer Free protection*/ -/* - * Variable declarations global to this file only. Externs are followed by - * static variables. - */ - -/* - * A unit of 32, used to provide bit-shift for pool - * management. Needs some work if users want more than 32 pools. - */ -#define IX_OSAL_BUFF_FREE_BITS 32 - -PRIVATE UINT32 ixOsalBuffFreePools[IX_OSAL_MBUF_MAX_POOLS / - IX_OSAL_BUFF_FREE_BITS]; - -PUBLIC IX_OSAL_MBUF_POOL ixOsalBuffPools[IX_OSAL_MBUF_MAX_POOLS]; - -static int ixOsalBuffPoolsInUse = 0; - -#ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY -PRIVATE IX_OSAL_MBUF * -ixOsalBuffPoolMbufInit (UINT32 mbufSizeAligned, - UINT32 dataSizeAligned, - IX_OSAL_MBUF_POOL *poolPtr); -#endif - -PRIVATE IX_OSAL_MBUF_POOL * ixOsalPoolAlloc (void); - -/* - * Function definition: ixOsalPoolAlloc - */ - -/****************************/ - -PRIVATE IX_OSAL_MBUF_POOL * -ixOsalPoolAlloc (void) -{ - register unsigned int i = 0; - - /* - * Scan for the first free buffer. Free buffers are indicated by 0 - * on the corrsponding bit in ixOsalBuffFreePools. - */ - if (ixOsalBuffPoolsInUse >= IX_OSAL_MBUF_MAX_POOLS) - { - /* - * Fail to grab a ptr this time - */ - return NULL; - } - - while (ixOsalBuffFreePools[i / IX_OSAL_BUFF_FREE_BITS] & - (1 << (i % IX_OSAL_BUFF_FREE_BITS))) - i++; - /* - * Free buffer found. Mark it as busy and initialize. - */ - ixOsalBuffFreePools[i / IX_OSAL_BUFF_FREE_BITS] |= - (1 << (i % IX_OSAL_BUFF_FREE_BITS)); - - memset (&ixOsalBuffPools[i], 0, sizeof (IX_OSAL_MBUF_POOL)); - - ixOsalBuffPools[i].poolIdx = i; - ixOsalBuffPoolsInUse++; - - return &ixOsalBuffPools[i]; -} - - -#ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY -PRIVATE IX_OSAL_MBUF * -ixOsalBuffPoolMbufInit (UINT32 mbufSizeAligned, - UINT32 dataSizeAligned, - IX_OSAL_MBUF_POOL *poolPtr) -{ - UINT8 *dataPtr; - IX_OSAL_MBUF *realMbufPtr; - /* Allocate cache-aligned memory for mbuf header */ - realMbufPtr = (IX_OSAL_MBUF *) IX_OSAL_CACHE_DMA_MALLOC (mbufSizeAligned); - IX_OSAL_ASSERT (realMbufPtr != NULL); - memset (realMbufPtr, 0, mbufSizeAligned); - - /* Allocate cache-aligned memory for mbuf data */ - dataPtr = (UINT8 *) IX_OSAL_CACHE_DMA_MALLOC (dataSizeAligned); - IX_OSAL_ASSERT (dataPtr != NULL); - memset (dataPtr, 0, dataSizeAligned); - - /* Fill in mbuf header fields */ - IX_OSAL_MBUF_MDATA (realMbufPtr) = dataPtr; - IX_OSAL_MBUF_ALLOCATED_BUFF_DATA (realMbufPtr) = (UINT32)dataPtr; - - IX_OSAL_MBUF_MLEN (realMbufPtr) = dataSizeAligned; - IX_OSAL_MBUF_ALLOCATED_BUFF_LEN (realMbufPtr) = dataSizeAligned; - - IX_OSAL_MBUF_NET_POOL (realMbufPtr) = (IX_OSAL_MBUF_POOL *) poolPtr; - - IX_OSAL_MBUF_SYS_SIGNATURE_INIT(realMbufPtr); - - /* update some statistical information */ - poolPtr->mbufMemSize += mbufSizeAligned; - poolPtr->dataMemSize += dataSizeAligned; - - return realMbufPtr; -} -#endif /* #ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY */ - -/* - * Function definition: ixOsalBuffPoolInit - */ - -PUBLIC IX_OSAL_MBUF_POOL * -ixOsalPoolInit (UINT32 count, UINT32 size, const char *name) -{ - - /* These variables are only used if UX_OSAL_BUFFER_ALLOC_SEPERATELY - * is defined . - */ -#ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY - UINT32 i, mbufSizeAligned, dataSizeAligned; - IX_OSAL_MBUF *currentMbufPtr = NULL; -#else - void *poolBufPtr; - void *poolDataPtr; - int mbufMemSize; - int dataMemSize; -#endif - - IX_OSAL_MBUF_POOL *poolPtr = NULL; - - if (count <= 0) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalPoolInit(): " "count = 0 \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - if (name == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalPoolInit(): " "NULL name \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - if (strlen (name) > IX_OSAL_MBUF_POOL_NAME_LEN) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalPoolInit(): " - "ERROR - name length should be no greater than %d \n", - IX_OSAL_MBUF_POOL_NAME_LEN, 0, 0, 0, 0, 0); - return NULL; - } - -/* OS can choose whether to allocate all buffers all together (if it - * can handle a huge single alloc request), or to allocate buffers - * separately by the defining IX_OSAL_BUFFER_ALLOC_SEPARATELY. - */ -#ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY - /* Get a pool Ptr */ - poolPtr = ixOsalPoolAlloc (); - - if (poolPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalPoolInit(): " "Fail to Get PoolPtr \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - mbufSizeAligned = IX_OSAL_MBUF_POOL_SIZE_ALIGN (sizeof (IX_OSAL_MBUF)); - dataSizeAligned = IX_OSAL_MBUF_POOL_SIZE_ALIGN(size); - - poolPtr->nextFreeBuf = NULL; - poolPtr->mbufMemPtr = NULL; - poolPtr->dataMemPtr = NULL; - poolPtr->bufDataSize = dataSizeAligned; - poolPtr->totalBufsInPool = count; - poolPtr->poolAllocType = IX_OSAL_MBUF_POOL_TYPE_SYS_ALLOC; - strcpy (poolPtr->name, name); - - - for (i = 0; i < count; i++) - { - /* create an mbuf */ - currentMbufPtr = ixOsalBuffPoolMbufInit (mbufSizeAligned, - dataSizeAligned, - poolPtr); - -#ifdef IX_OSAL_BUFFER_FREE_PROTECTION -/* Set the Buffer USED Flag. If not, ixOsalMBufFree will fail. - ixOsalMbufFree used here is in a special case whereby, it's - used to add MBUF to the Pool. By specification, ixOsalMbufFree - deallocates an allocated MBUF from Pool. -*/ - IX_OSAL_MBUF_SET_USED_FLAG(currentMbufPtr); -#endif - /* Add it to the pool */ - ixOsalMbufFree (currentMbufPtr); - - /* flush the pool information to RAM */ - IX_OSAL_CACHE_FLUSH (currentMbufPtr, mbufSizeAligned); - } - - /* - * update the number of free buffers in the pool - */ - poolPtr->freeBufsInPool = count; - -#else -/* Otherwise allocate buffers in a continuous block fashion */ - poolBufPtr = IX_OSAL_MBUF_POOL_MBUF_AREA_ALLOC (count, mbufMemSize); - IX_OSAL_ASSERT (poolBufPtr != NULL); - poolDataPtr = - IX_OSAL_MBUF_POOL_DATA_AREA_ALLOC (count, size, dataMemSize); - IX_OSAL_ASSERT (poolDataPtr != NULL); - - poolPtr = ixOsalNoAllocPoolInit (poolBufPtr, poolDataPtr, - count, size, name); - if (poolPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalPoolInit(): " "Fail to get pool ptr \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - poolPtr->poolAllocType = IX_OSAL_MBUF_POOL_TYPE_SYS_ALLOC; - -#endif /* IX_OSAL_BUFFER_ALLOC_SEPARATELY */ - return poolPtr; -} - -PUBLIC IX_OSAL_MBUF_POOL * -ixOsalNoAllocPoolInit (void *poolBufPtr, - void *poolDataPtr, UINT32 count, UINT32 size, const char *name) -{ - UINT32 i, mbufSizeAligned, sizeAligned; - IX_OSAL_MBUF *currentMbufPtr = NULL; - IX_OSAL_MBUF *nextMbufPtr = NULL; - IX_OSAL_MBUF_POOL *poolPtr = NULL; - - /* - * check parameters - */ - if (poolBufPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalNoAllocPoolInit(): " - "ERROR - NULL poolBufPtr \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - if (count <= 0) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalNoAllocPoolInit(): " - "ERROR - count must > 0 \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - if (name == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalNoAllocPoolInit(): " - "ERROR - NULL name ptr \n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - if (strlen (name) > IX_OSAL_MBUF_POOL_NAME_LEN) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalNoAllocPoolInit(): " - "ERROR - name length should be no greater than %d \n", - IX_OSAL_MBUF_POOL_NAME_LEN, 0, 0, 0, 0, 0); - return NULL; - } - - poolPtr = ixOsalPoolAlloc (); - - if (poolPtr == NULL) - { - return NULL; - } - - /* - * Adjust sizes to ensure alignment on cache line boundaries - */ - mbufSizeAligned = - IX_OSAL_MBUF_POOL_SIZE_ALIGN (sizeof (IX_OSAL_MBUF)); - /* - * clear the mbuf memory area - */ - memset (poolBufPtr, 0, mbufSizeAligned * count); - - if (poolDataPtr != NULL) - { - /* - * Adjust sizes to ensure alignment on cache line boundaries - */ - sizeAligned = IX_OSAL_MBUF_POOL_SIZE_ALIGN (size); - /* - * clear the data memory area - */ - memset (poolDataPtr, 0, sizeAligned * count); - } - else - { - sizeAligned = 0; - } - - /* - * initialise pool fields - */ - strcpy ((poolPtr)->name, name); - - poolPtr->dataMemPtr = poolDataPtr; - poolPtr->mbufMemPtr = poolBufPtr; - poolPtr->bufDataSize = sizeAligned; - poolPtr->totalBufsInPool = count; - poolPtr->mbufMemSize = mbufSizeAligned * count; - poolPtr->dataMemSize = sizeAligned * count; - - currentMbufPtr = (IX_OSAL_MBUF *) poolBufPtr; - - poolPtr->nextFreeBuf = currentMbufPtr; - - for (i = 0; i < count; i++) - { - if (i < (count - 1)) - { - nextMbufPtr = - (IX_OSAL_MBUF *) ((unsigned) currentMbufPtr + - mbufSizeAligned); - } - else - { /* last mbuf in chain */ - nextMbufPtr = NULL; - } - IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR (currentMbufPtr) = nextMbufPtr; - IX_OSAL_MBUF_NET_POOL (currentMbufPtr) = poolPtr; - - IX_OSAL_MBUF_SYS_SIGNATURE_INIT(currentMbufPtr); - - if (poolDataPtr != NULL) - { - IX_OSAL_MBUF_MDATA (currentMbufPtr) = poolDataPtr; - IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(currentMbufPtr) = (UINT32) poolDataPtr; - - IX_OSAL_MBUF_MLEN (currentMbufPtr) = sizeAligned; - IX_OSAL_MBUF_ALLOCATED_BUFF_LEN(currentMbufPtr) = sizeAligned; - - poolDataPtr = (void *) ((unsigned) poolDataPtr + sizeAligned); - } - - currentMbufPtr = nextMbufPtr; - } - - /* - * update the number of free buffers in the pool - */ - poolPtr->freeBufsInPool = count; - - poolPtr->poolAllocType = IX_OSAL_MBUF_POOL_TYPE_USER_ALLOC; - - return poolPtr; -} - -/* - * Get a mbuf ptr from the pool - */ -PUBLIC IX_OSAL_MBUF * -ixOsalMbufAlloc (IX_OSAL_MBUF_POOL * poolPtr) -{ - int lock; - IX_OSAL_MBUF *newBufPtr = NULL; - - /* - * check parameters - */ - if (poolPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalMbufAlloc(): " - "ERROR - Invalid Parameter\n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - lock = ixOsalIrqLock (); - - newBufPtr = poolPtr->nextFreeBuf; - if (newBufPtr) - { - poolPtr->nextFreeBuf = - IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR (newBufPtr); - IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR (newBufPtr) = NULL; - - /* - * update the number of free buffers in the pool - */ - poolPtr->freeBufsInPool--; - } - else - { - /* Return NULL to indicate to caller that request is denied. */ - ixOsalIrqUnlock (lock); - - return NULL; - } - -#ifdef IX_OSAL_BUFFER_FREE_PROTECTION - /* Set Buffer Used Flag to indicate state.*/ - IX_OSAL_MBUF_SET_USED_FLAG(newBufPtr); -#endif - - ixOsalIrqUnlock (lock); - - return newBufPtr; -} - -PUBLIC IX_OSAL_MBUF * -ixOsalMbufFree (IX_OSAL_MBUF * bufPtr) -{ - int lock; - IX_OSAL_MBUF_POOL *poolPtr; - - IX_OSAL_MBUF *nextBufPtr = NULL; - - /* - * check parameters - */ - if (bufPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalMbufFree(): " - "ERROR - Invalid Parameter\n", 0, 0, 0, 0, 0, 0); - return NULL; - } - - - - lock = ixOsalIrqLock (); - -#ifdef IX_OSAL_BUFFER_FREE_PROTECTION - - /* Prevention for Buffer freed more than once*/ - if(!IX_OSAL_MBUF_ISSET_USED_FLAG(bufPtr)) - { - return NULL; - } - IX_OSAL_MBUF_CLEAR_USED_FLAG(bufPtr); -#endif - - poolPtr = IX_OSAL_MBUF_NET_POOL (bufPtr); - - /* - * check the mbuf wrapper signature (if mbuf wrapper was used) - */ - if (poolPtr->poolAllocType == IX_OSAL_MBUF_POOL_TYPE_SYS_ALLOC) - { - IX_OSAL_ENSURE ( (IX_OSAL_MBUF_GET_SYS_SIGNATURE(bufPtr) == IX_OSAL_MBUF_SYS_SIGNATURE), - "ixOsalBuffPoolBufFree: ERROR - Invalid mbuf signature."); - } - - nextBufPtr = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR (bufPtr); - - IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR (bufPtr) = poolPtr->nextFreeBuf; - poolPtr->nextFreeBuf = bufPtr; - - /* - * update the number of free buffers in the pool - */ - poolPtr->freeBufsInPool++; - - ixOsalIrqUnlock (lock); - - return nextBufPtr; -} - -PUBLIC void -ixOsalMbufChainFree (IX_OSAL_MBUF * bufPtr) -{ - while ((bufPtr = ixOsalMbufFree (bufPtr))); -} - -/* - * Function definition: ixOsalBuffPoolShow - */ -PUBLIC void -ixOsalMbufPoolShow (IX_OSAL_MBUF_POOL * poolPtr) -{ - IX_OSAL_MBUF *nextBufPtr; - int count = 0; - int lock; - - /* - * check parameters - */ - if (poolPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolShow(): " - "ERROR - Invalid Parameter", 0, 0, 0, 0, 0, 0); - /* - * return IX_FAIL; - */ - return; - } - - lock = ixOsalIrqLock (); - count = poolPtr->freeBufsInPool; - nextBufPtr = poolPtr->nextFreeBuf; - ixOsalIrqUnlock (lock); - - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, - IX_OSAL_LOG_DEV_STDOUT, "=== POOL INFORMATION ===\n", 0, 0, 0, - 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Pool Name: %s\n", - (unsigned int) poolPtr->name, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Pool Allocation Type: %d\n", - (unsigned int) poolPtr->poolAllocType, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Pool Mbuf Mem Usage (bytes): %d\n", - (unsigned int) poolPtr->mbufMemSize, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Pool Data Mem Usage (bytes): %d\n", - (unsigned int) poolPtr->dataMemSize, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Mbuf Data Capacity (bytes): %d\n", - (unsigned int) poolPtr->bufDataSize, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Total Mbufs in Pool: %d\n", - (unsigned int) poolPtr->totalBufsInPool, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Available Mbufs: %d\n", (unsigned int) count, 0, - 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Next Available Mbuf: %p\n", (unsigned int) nextBufPtr, - 0, 0, 0, 0, 0); - - if (poolPtr->poolAllocType == IX_OSAL_MBUF_POOL_TYPE_USER_ALLOC) - { - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, - IX_OSAL_LOG_DEV_STDOUT, - "Mbuf Mem Area Start address: %p\n", - (unsigned int) poolPtr->mbufMemPtr, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_MESSAGE, IX_OSAL_LOG_DEV_STDOUT, - "Data Mem Area Start address: %p\n", - (unsigned int) poolPtr->dataMemPtr, 0, 0, 0, 0, 0); - } -} - -PUBLIC void -ixOsalMbufDataPtrReset (IX_OSAL_MBUF * bufPtr) -{ - IX_OSAL_MBUF_POOL *poolPtr; - UINT8 *poolDataPtr; - - if (bufPtr == NULL) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolBufDataPtrReset" - ": ERROR - Invalid Parameter\n", 0, 0, 0, 0, 0, 0); - return; - } - - poolPtr = (IX_OSAL_MBUF_POOL *) IX_OSAL_MBUF_NET_POOL (bufPtr); - poolDataPtr = poolPtr->dataMemPtr; - - if (poolPtr->poolAllocType == IX_OSAL_MBUF_POOL_TYPE_SYS_ALLOC) - { - if (IX_OSAL_MBUF_GET_SYS_SIGNATURE(bufPtr) != IX_OSAL_MBUF_SYS_SIGNATURE) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolBufDataPtrReset" - ": invalid mbuf, cannot reset mData pointer\n", 0, 0, - 0, 0, 0, 0); - return; - } - IX_OSAL_MBUF_MDATA (bufPtr) = (UINT8*)IX_OSAL_MBUF_ALLOCATED_BUFF_DATA (bufPtr); - } - else - { - if (poolDataPtr) - { - unsigned int bufSize = poolPtr->bufDataSize; - unsigned int bufDataAddr = - (unsigned int) IX_OSAL_MBUF_MDATA (bufPtr); - unsigned int poolDataAddr = (unsigned int) poolDataPtr; - - /* - * the pointer is still pointing somewhere in the mbuf payload. - * This operation moves the pointer to the beginning of the - * mbuf payload - */ - bufDataAddr = ((bufDataAddr - poolDataAddr) / bufSize) * bufSize; - IX_OSAL_MBUF_MDATA (bufPtr) = &poolDataPtr[bufDataAddr]; - } - else - { - ixOsalLog (IX_OSAL_LOG_LVL_WARNING, IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolBufDataPtrReset" - ": cannot be used if user supplied NULL pointer for pool data area " - "when pool was created\n", 0, 0, 0, 0, 0, 0); - return; - } - } - -} - -/* - * Function definition: ixOsalBuffPoolUninit - */ -PUBLIC IX_STATUS -ixOsalBuffPoolUninit (IX_OSAL_MBUF_POOL * pool) -{ - if (!pool) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolUninit: NULL ptr \n", 0, 0, 0, 0, 0, 0); - return IX_FAIL; - } - - if (pool->freeBufsInPool != pool->totalBufsInPool) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, IX_OSAL_LOG_DEV_STDOUT, - "ixOsalBuffPoolUninit: need to return all ptrs to the pool first! \n", - 0, 0, 0, 0, 0, 0); - return IX_FAIL; - } - - if (pool->poolAllocType == IX_OSAL_MBUF_POOL_TYPE_SYS_ALLOC) - { -#ifdef IX_OSAL_BUFFER_ALLOC_SEPARATELY - UINT32 i; - IX_OSAL_MBUF* pBuf; - - pBuf = pool->nextFreeBuf; - /* Freed the Buffer one by one till all the Memory is freed*/ - for (i= pool->freeBufsInPool; i >0 && pBuf!=NULL ;i--){ - IX_OSAL_MBUF* pBufTemp; - pBufTemp = IX_OSAL_MBUF_NEXT_BUFFER_IN_PKT_PTR(pBuf); - /* Freed MBUF Data Memory area*/ - IX_OSAL_CACHE_DMA_FREE( (void *) (IX_OSAL_MBUF_ALLOCATED_BUFF_DATA(pBuf)) ); - /* Freed MBUF Struct Memory area*/ - IX_OSAL_CACHE_DMA_FREE(pBuf); - pBuf = pBufTemp; - } - -#else - IX_OSAL_CACHE_DMA_FREE (pool->mbufMemPtr); - IX_OSAL_CACHE_DMA_FREE (pool->dataMemPtr); -#endif - } - - ixOsalBuffFreePools[pool->poolIdx / IX_OSAL_BUFF_FREE_BITS] &= - ~(1 << (pool->poolIdx % IX_OSAL_BUFF_FREE_BITS)); - ixOsalBuffPoolsInUse--; - return IX_SUCCESS; -} - -/* - * Function definition: ixOsalBuffPoolDataAreaSizeGet - */ -PUBLIC UINT32 -ixOsalBuffPoolDataAreaSizeGet (int count, int size) -{ - UINT32 memorySize; - memorySize = count * IX_OSAL_MBUF_POOL_SIZE_ALIGN (size); - return memorySize; -} - -/* - * Function definition: ixOsalBuffPoolMbufAreaSizeGet - */ -PUBLIC UINT32 -ixOsalBuffPoolMbufAreaSizeGet (int count) -{ - UINT32 memorySize; - memorySize = - count * IX_OSAL_MBUF_POOL_SIZE_ALIGN (sizeof (IX_OSAL_MBUF)); - return memorySize; -} - -/* - * Function definition: ixOsalBuffPoolFreeCountGet - */ -PUBLIC UINT32 ixOsalBuffPoolFreeCountGet(IX_OSAL_MBUF_POOL * poolPtr) - -{ - - return poolPtr->freeBufsInPool; - -} - -#endif /* IX_OSAL_USE_DEFAULT_BUFFER_MGT */ |