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u-boot/cpu/ixp/npe/IxOsalBufferMgt.c
Wolfgang Denk ba94a1bba3 * 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.]
2006-05-30 15:56:48 +02:00

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/**
* @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 */
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