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Diffstat (limited to 'cpu/ixp/npe/IxOsalBufferMgt.c')
| -rw-r--r-- | cpu/ixp/npe/IxOsalBufferMgt.c | 800 |
1 files changed, 800 insertions, 0 deletions
diff --git a/cpu/ixp/npe/IxOsalBufferMgt.c b/cpu/ixp/npe/IxOsalBufferMgt.c new file mode 100644 index 0000000000..fa8db477af --- /dev/null +++ b/cpu/ixp/npe/IxOsalBufferMgt.c @@ -0,0 +1,800 @@ +/** + * @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 + * 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 -- + */ + +/* + * 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 */ |