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Diffstat (limited to 'FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Unit/Config_files/NetworkBufferManagement.h')
-rw-r--r-- | FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Unit/Config_files/NetworkBufferManagement.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Unit/Config_files/NetworkBufferManagement.h b/FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Unit/Config_files/NetworkBufferManagement.h new file mode 100644 index 000000000..d57e607ac --- /dev/null +++ b/FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Unit/Config_files/NetworkBufferManagement.h @@ -0,0 +1,70 @@ +/* + * FreeRTOS+TCP V2.2.0 + * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://aws.amazon.com/freertos + * http://www.FreeRTOS.org + */ + +#ifndef NETWORK_BUFFER_MANAGEMENT_H +#define NETWORK_BUFFER_MANAGEMENT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* NOTE PUBLIC API FUNCTIONS. */ +BaseType_t xNetworkBuffersInitialise( void ); +NetworkBufferDescriptor_t *pxGetNetworkBufferWithDescriptor( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks ); +NetworkBufferDescriptor_t *pxNetworkBufferGetFromISR( size_t xRequestedSizeBytes ); +void vReleaseNetworkBufferAndDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer ); +BaseType_t vNetworkBufferReleaseFromISR( NetworkBufferDescriptor_t * const pxNetworkBuffer ); +uint8_t *pucGetNetworkBuffer( size_t *pxRequestedSizeBytes ); +void vReleaseNetworkBuffer( uint8_t *pucEthernetBuffer ); + +/* Get the current number of free network buffers. */ +UBaseType_t uxGetNumberOfFreeNetworkBuffers( void ); + +/* Get the lowest number of free network buffers. */ +UBaseType_t uxGetMinimumFreeNetworkBuffers( void ); + +/* Copy a network buffer into a bigger buffer. */ +NetworkBufferDescriptor_t *pxDuplicateNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer, + size_t uxNewLength); + +/* Increase the size of a Network Buffer. +In case BufferAllocation_2.c is used, the new space must be allocated. */ +NetworkBufferDescriptor_t *pxResizeNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * pxNetworkBuffer, + size_t xNewSizeBytes ); + +#if ipconfigTCP_IP_SANITY + /* + * Check if an address is a valid pointer to a network descriptor + * by looking it up in the array of network descriptors + */ + UBaseType_t bIsValidNetworkDescriptor (const NetworkBufferDescriptor_t * pxDesc); + BaseType_t prvIsFreeBuffer( const NetworkBufferDescriptor_t *pxDescr ); +#endif + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* NETWORK_BUFFER_MANAGEMENT_H */ |