netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "tx_thread.h"
#include "nx_ip.h"
#include "nx_packet.h"
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_nx_ip_raw_packet_disable(NX_IP *)
Files
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nx_ip_raw_packet_disable.c
 
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/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** NetX Component */ /** */ /** Internet Protocol (IP) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "tx_thread.h" #include "nx_ip.h" #include "nx_packet.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nx_ip_raw_packet_disable PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function disables raw IP packet sending and receiving */ /* capability. */ /* */ /* INPUT */ /* */ /* ip_ptr Pointer to IP control block */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _nx_packet_release Release data packet */ /* _nx_ip_raw_packet_cleanup Release suspended threads */ /* _tx_thread_system_preempt_check Check for preemption */ /* tx_mutex_get Get protection mutex */ /* tx_mutex_put Put protection mutex */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nx_ip_raw_packet_disable(NX_IP *ip_ptr) { TX_INTERRUPT_SAVE_AREA NX_PACKET *current_packet; NX_PACKET *next_packet; /* If trace is enabled, insert this event into the trace buffer. */ NX_TRACE_IN_LINE_INSERT(NX_TRACE_IP_RAW_PACKET_DISABLE, ip_ptr, 0, 0, 0, NX_TRACE_IP_EVENTS, 0, 0); /* Get mutex protection. */ tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER); /* Disable interrupts. */ TX_DISABLE /* Disable raw IP packet sending/receiving. */ ip_ptr -> nx_ip_raw_ip_processing = NX_NULL; /* Pickup the head pointer to any raw IP packets queued up. */ next_packet = ip_ptr -> nx_ip_raw_received_packet_head; /* Clear the head and tail pointers. */ ip_ptr -> nx_ip_raw_received_packet_head = NX_NULL; ip_ptr -> nx_ip_raw_received_packet_tail = NX_NULL; ip_ptr -> nx_ip_raw_received_packet_count = 0; /* Temporarily disable preemption. */ _tx_thread_preempt_disable++; /* Restore interrupts. */ TX_RESTORE /* Loop to release any queued up raw IP packets. */ while (next_packet) { /* Setup the current packet pointer. */ current_packet = next_packet; /* Move to the next packet. */ next_packet = next_packet -> nx_packet_queue_next; /* Release the current packet. */ _nx_packet_release(current_packet); }while (next_packet) { ... } /* Lift any suspension on RAW IP packet receives. */ while (ip_ptr -> nx_ip_raw_packet_suspension_list) { /* Release the suspended thread. */ _nx_ip_raw_packet_cleanup(ip_ptr -> nx_ip_raw_packet_suspension_list NX_CLEANUP_ARGUMENT); }while (ip_ptr -> nx_ip_raw_packet_suspension_list) { ... } /* Release mutex protection. */ tx_mutex_put(&(ip_ptr -> nx_ip_protection)); /* Disable interrupts. */ TX_DISABLE /* Restore preemption. */ _tx_thread_preempt_disable--; /* Restore interrupts. */ TX_RESTORE /* Check for preemption. */ _tx_thread_system_preempt_check(); /* Return a successful status! */ return(NX_SUCCESS); }{ ... }
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