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STM32 network interface bug fixes #1253

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STM32 network interface bug fixes #1253

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5456fa2
Removing traceISR_ENTER()
May 23, 2025
0c33755
Removed warning and assert for STM32F7
May 23, 2025
0cdb485
Merge branch 'main' into stm32-networkinterface-bugfixes
tony-josi-aws Jun 2, 2025
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8 changes: 3 additions & 5 deletions source/portable/NetworkInterface/STM32/NetworkInterface.c
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Original file line number Diff line number Diff line change
Expand Up @@ -145,8 +145,8 @@

#if ipconfigIS_DISABLED( ipconfigPORT_SUPPRESS_WARNING )

#if defined( niEMAC_STM32FX ) && defined( ETH_RX_BUF_SIZE )
#warning "As of F7 V1.17.1 && F4 V1.28.0, a bug exists in the ETH HAL Driver where ETH_RX_BUF_SIZE is used instead of RxBuffLen, so ETH_RX_BUF_SIZE must == niEMAC_DATA_BUFFER_SIZE"
#if defined( niEMAC_STM32FX ) && defined( ETH_RX_BUF_SIZE ) && defined( STM32F4 )
#warning "As of F4 V1.28.0, a bug exists in the ETH HAL Driver where ETH_RX_BUF_SIZE is used instead of RxBuffLen, so ETH_RX_BUF_SIZE must == niEMAC_DATA_BUFFER_SIZE"
#endif

#if ipconfigIS_DISABLED( ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM )
Expand Down Expand Up @@ -983,7 +983,7 @@ static BaseType_t prvEthConfigInit( ETH_HandleTypeDef * pxEthHandle,
pxEthHandle->Init.RxBuffLen = niEMAC_DATA_BUFFER_SIZE;
/* configASSERT( pxEthHandle->Init.RxBuffLen <= ETH_MAX_PACKET_SIZE ); */
configASSERT( pxEthHandle->Init.RxBuffLen % 4U == 0 );
#if ( defined( niEMAC_STM32FX ) && defined( ETH_RX_BUF_SIZE ) )
#if ( defined( niEMAC_STM32FX ) && defined( ETH_RX_BUF_SIZE ) && defined( STM32F4 ) )
configASSERT( pxEthHandle->Init.RxBuffLen == ETH_RX_BUF_SIZE );
#endif

Expand Down Expand Up @@ -1786,8 +1786,6 @@ static BaseType_t prvAcceptPacket( const NetworkBufferDescriptor_t * const pxDes

void ETH_IRQHandler( void )
{
traceISR_ENTER();
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traceISR_ENTER is part of the trace macros that got added to FreeRTOS kernel with FreeRTOS/FreeRTOS-Kernel#659

The change is part of the Kernel V11.0.0 and above.

I would suggest keeping it.


ETH_HandleTypeDef * pxEthHandle = &xEthHandle;

xSwitchRequired = pdFALSE;
Expand Down