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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 */
/** */
/** User Datagram Protocol (UDP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_udp.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_udp_socket_checksum_enable PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enables the UDP checksum logic for the specified */
/* socket. Note this function has no effect on UDP packets over IPv6 */
/* network, since the UDP packet checksum must be computed for UDP */
/* over IPv6 network. */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to UDP socket */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* 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_udp_socket_checksum_enable(NX_UDP_SOCKET *socket_ptr)
{
TX_INTERRUPT_SAVE_AREA
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_UDP_SOCKET_CHECKSUM_ENABLE, socket_ptr -> nx_udp_socket_ip_ptr, socket_ptr, 0, 0, NX_TRACE_UDP_EVENTS, 0, 0);
/* Lockout interrupts. */
TX_DISABLE
/* Determine if the socket is currently bound. */
if (!socket_ptr -> nx_udp_socket_bound_next)
{
/* Restore interrupts. */
TX_RESTORE
/* Socket is not bound, return an error message. */
return(NX_NOT_BOUND);
}
/* Clear the checksum disable flag. */
socket_ptr -> nx_udp_socket_disable_checksum = NX_FALSE;
/* Restore interrupts. */
TX_RESTORE
/* Return a successful status. */
return(NX_SUCCESS);
}