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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
/* This NetX test concentrates on IP fragmentation disable operation. */
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ip.h"
extern void test_control_return(UINT status);
#if defined(__PRODUCT_NETXDUO__) && !defined(NX_DISABLE_FRAGMENTATION) && !defined(NX_FRAGMENT_IMMEDIATE_ASSEMBLY) && !defined(NX_DISABLE_IPV4)
#define DEMO_STACK_SIZE 2048
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static TX_THREAD thread_1;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static NX_IP ip_1;
/* Define the counters used in the demo application... */
static ULONG error_counter;
static ULONG icmp_counter;
static NX_PACKET *copy_packet_0;
static NX_PACKET *copy_packet_1;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_1_entry(ULONG thread_input);
extern void _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req);
static VOID my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_ip_fragmentation_disable_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
error_counter = 0;
/* Create the main thread. */
tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
pointer, DEMO_STACK_SIZE,
3, 3, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Create the main thread. */
tx_thread_create(&thread_1, "thread 1", thread_1_entry, 0,
pointer, DEMO_STACK_SIZE,
3, 3, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Initialize the NetX system. */
nx_system_initialize();
/* Create a packet pool. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 500, pointer, 4096);
pointer = pointer + 4096;
/* Check for pool creation error. */
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFF000UL, &pool_0, _nx_ram_network_driver_256,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Create another IP instance. */
status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFF000UL, &pool_0, _nx_ram_network_driver_256,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Check for IP create errors. */
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for IP Instance 0. */
status = nx_arp_enable(&ip_0, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Enable ARP and supply ARP cache memory for IP Instance 1. */
status += nx_arp_enable(&ip_1, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Check for ARP enable errors. */
if (status)
error_counter++;
/* Enable ICMP traffic. */
status = nx_icmp_enable(&ip_0);
status += nx_icmp_enable(&ip_1);
/* Check for ICMP enable errors. */
if (status)
error_counter++;
/* Enable IP fragmentation logic on both IP instances. */
status = nx_ip_fragment_enable(&ip_0);
status += nx_ip_fragment_enable(&ip_1);
/* Check for IP fragment enable errors. */
if (status)
error_counter++;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
CHAR data[256];
/* Print out some test information banners. */
printf("NetX Test: IP Fragmentation Disable Test.............................");
/* Check for earlier error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the callback function to get the IPv4 packet. */
ip_1.nx_ipv4_packet_receive = my_packet_process;
/* Now ip_0 ping ip_1 to check nx_ip_received_fragment_head and nx_ip_fragment_assembly_head. */
status = nx_icmp_ping(&ip_0, IP_ADDRESS(1, 2, 3, 5), data, 300, &my_packet, 2 * NX_IP_PERIODIC_RATE);
/* Check the status. */
if ((status == NX_SUCCESS) || (my_packet))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Check the error counter and icmp counter. */
if ((error_counter) || (icmp_counter != 2))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Reset the callback function. */
ip_1.nx_ipv4_packet_receive = _nx_ipv4_packet_receive;
/* Now ip_0 ping ip_1 to check nx_ipv4_packet_receive after ip_1 disable fragment feature . */
status = nx_icmp_ping(&ip_0, IP_ADDRESS(1, 2, 3, 5), data, 300, &my_packet, 1 * NX_IP_PERIODIC_RATE);
/* Check the status. */
if ((status == NX_SUCCESS) || (my_packet))
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
/* Output successful. */
printf("SUCCESS!\n");
test_control_return(0);
}
}
/* Define the test threads. */
static void thread_1_entry(ULONG thread_input)
{
UINT status;
/* Sleep 100 ticks to receive the fragment packet. */
tx_thread_sleep(NX_IP_PERIODIC_RATE);
/* Call the _nx_ipv4_packet_receive function directly receive this packet. */
_nx_ipv4_packet_receive(&ip_1, copy_packet_0);
/* Check the received/assembly fragment head. */
if ((ip_1.nx_ip_received_fragment_head) || ((ip_1.nx_ip_fragment_assembly_head == NX_NULL)))
error_counter ++;
/* Get mutex protection. */
tx_mutex_get(&(ip_1.nx_ip_protection), TX_WAIT_FOREVER);
/* Call the _nx_ipv4_packet_receive function directly receive this packet. */
_nx_ipv4_packet_receive(&ip_1, copy_packet_1);
/* Check the received/assembly fragment head. */
if ((ip_1.nx_ip_received_fragment_head == NX_NULL) || (ip_1.nx_ip_fragment_assembly_head == NX_NULL))
error_counter ++;
/* Disable the fragment. */
status = nx_ip_fragment_disable(&ip_1);
/* Check the status. */
if (status)
error_counter++;
/* Check the received/assembly fragment head. */
if ((ip_1.nx_ip_received_fragment_head) || (ip_1.nx_ip_fragment_assembly_head))
error_counter ++;
/* Release mutex protection. */
tx_mutex_put(&(ip_1.nx_ip_protection));
}
static VOID my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr)
{
UINT status;
/* Get the ICMP packet. */
icmp_counter ++;
/* Check the icmp counter. */
if (icmp_counter == 1)
{
/* First fragmentation. */
/* Copy the packet. */
status = nx_packet_copy(packet_ptr, ©_packet_0, &pool_0, NX_IP_PERIODIC_RATE);
/* Check the status. */
if (status)
error_counter++;
/* Release the packet. */
nx_packet_release(packet_ptr);
}
if (icmp_counter == 2)
{
/* Second fragmentation. */
/* Copy the packet. */
status = nx_packet_copy(packet_ptr, ©_packet_1, &pool_0, NX_IP_PERIODIC_RATE);
/* Check the status. */
if (status)
error_counter++;
/* Release the packet. */
nx_packet_release(packet_ptr);
}
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_ip_fragmentation_disable_test_application_define(void *first_unused_memory)
#endif
{
printf("NetX Test: IP Fragmentation Disable Test.............................N/A\n");
test_control_return(3);
}
#endif /* NX_DISABLE_FRAGMENTATION */
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