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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 "nx_ip.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_ip_fragment_enable PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enables the IP fragment processing by setting up the */
/* function pointers responsible for fragmenting and unfragmenting IP */
/* packets. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP instance */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* 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_fragment_enable(NX_IP *ip_ptr)
{
#ifndef NX_DISABLE_FRAGMENTATION
TX_INTERRUPT_SAVE_AREA
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_IP_FRAGMENT_ENABLE, ip_ptr, 0, 0, 0, NX_TRACE_IP_EVENTS, 0, 0);
/* Disable interrupts temporarily. */
TX_DISABLE
/* Setup the IP fragment processing routine pointer. */
ip_ptr -> nx_ip_fragment_processing = _nx_ip_fragment_packet;
/* Setup the IP fragment assembly routine pointer. */
ip_ptr -> nx_ip_fragment_assembly = _nx_ip_fragment_assembly;
/* Setup the IP fragment timeout routine pointer. */
ip_ptr -> nx_ip_fragment_timeout_check = _nx_ip_fragment_timeout_check;
/* Restore interrupts. */
TX_RESTORE
/* Return success to the caller. */
return(NX_SUCCESS);
#else /* NX_DISABLE_FRAGMENTATION */
NX_PARAMETER_NOT_USED(ip_ptr);
return(NX_NOT_ENABLED);
#endif /* NX_DISABLE_FRAGMENTATION */
}