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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 icmpv6 error function. */
/*
* 1. IP 0 sends a UDP packet to IP 1.
* 2. Since IP 1 has no UDP socket binding, it will reply ICMPv6 error.
* 3. No ICMPv6 error message is sent out since IP 1 payload is too small.
*
*/
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ram_network_driver_test_1500.h"
extern void test_control_return(UINT status);
#if defined(FEATURE_NX_IPV6) && !defined (NX_DISABLE_ICMPV6_ERROR_MESSAGE) && !defined(NX_DISABLE_PACKET_CHAIN)
#define DEMO_STACK_SIZE 2048
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static NX_PACKET_POOL pool_0;
static NX_PACKET_POOL pool_1;
static NX_IP ip_0;
static NX_IP ip_1;
static NX_UDP_SOCKET socket_0;
/* Define the counters used in the demo application... */
static ULONG error_counter;
static NXD_ADDRESS ipv6_address_1;
static NXD_ADDRESS ipv6_address_2;
static NXD_ADDRESS multicast_addr;
static NXD_ADDRESS lla_1;
static NXD_ADDRESS lla_2;
static UCHAR pool_area_0[40960];
static UCHAR pool_area_1[2048];
static UCHAR test_data[128];
static CHAR mac[2][6] = {{0x00, 0x11, 0x22, 0x33, 0x44, 0x56}, {0x00, 0x11, 0x22, 0x33, 0x44, 0x57}};
static ULONG icmpv6_error_count;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req);
extern UINT _nx_ram_network_driver_set_pool(NX_PACKET_POOL *pool_ptr);
extern UINT (*advanced_packet_process_callback)(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);
static UINT my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_icmpv6_error_small_packet_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
error_counter = 0;
icmpv6_error_count = 0;
memset(test_data, 255, sizeof(test_data));
/* 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;
/* Initialize the NetX system. */
nx_system_initialize();
/* Create two packet pools. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 1536, pool_area_0, sizeof(pool_area_0));
/* Check for pool creation error. */
if (status)
error_counter++;
/* Create two packet pools. */
status = nx_packet_pool_create(&pool_1, "NetX Main Packet Pool", NX_IPv6_ICMP_PACKET, pool_area_1, sizeof(pool_area_1));
/* 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_1500,
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_1, _nx_ram_network_driver_1500,
pointer, 2048, 2);
pointer = pointer + 2048;
/* Check for IP create errors. */
if (status)
error_counter++;
/* Set ipv6 version and address. */
ipv6_address_1.nxd_ip_version = NX_IP_VERSION_V6;
ipv6_address_1.nxd_ip_address.v6[0] = 0x20010000;
ipv6_address_1.nxd_ip_address.v6[1] = 0x00000000;
ipv6_address_1.nxd_ip_address.v6[2] = 0x00000000;
ipv6_address_1.nxd_ip_address.v6[3] = 0x10000001;
ipv6_address_2.nxd_ip_version = NX_IP_VERSION_V6;
ipv6_address_2.nxd_ip_address.v6[0] = 0x20010000;
ipv6_address_2.nxd_ip_address.v6[1] = 0x00000000;
ipv6_address_2.nxd_ip_address.v6[2] = 0x00000000;
ipv6_address_2.nxd_ip_address.v6[3] = 0x10000002;
multicast_addr.nxd_ip_version = NX_IP_VERSION_V6;
multicast_addr.nxd_ip_address.v6[0] = 0xFF020000;
multicast_addr.nxd_ip_address.v6[1] = 0x00000000;
multicast_addr.nxd_ip_address.v6[2] = 0x00000000;
multicast_addr.nxd_ip_address.v6[3] = 0x00000001;
lla_1.nxd_ip_version = NX_IP_VERSION_V6;
lla_1.nxd_ip_address.v6[0] = 0xfe800000;
lla_1.nxd_ip_address.v6[1] = 0x00000000;
lla_1.nxd_ip_address.v6[2] = 0x00000000;
lla_1.nxd_ip_address.v6[3] = 0x10000001;
lla_2.nxd_ip_version = NX_IP_VERSION_V6;
lla_2.nxd_ip_address.v6[0] = 0xfe800000;
lla_2.nxd_ip_address.v6[1] = 0x00000000;
lla_2.nxd_ip_address.v6[2] = 0x00000000;
lla_2.nxd_ip_address.v6[3] = 0x10000002;
/* Set interfaces' address */
status = nxd_ipv6_address_set(&ip_0, 0, &ipv6_address_1, 64, NX_NULL);
status += nxd_ipv6_address_set(&ip_1, 0, &ipv6_address_2, 64, NX_NULL);
/* Check for IPv6 address set errors. */
if (status)
error_counter++;
/* Enable IPv6 */
status = nxd_ipv6_enable(&ip_0);
status += nxd_ipv6_enable(&ip_1);
/* Check for IPv6 enable errors. */
if (status)
error_counter++;
/* Enable ICMP for IP Instance 0 and 1. */
status = nxd_icmp_enable(&ip_0);
status += nxd_icmp_enable(&ip_1);
/* Check for ICMP enable errors. */
if (status)
error_counter++;
/* Enable UDP traffic. */
status += nx_udp_enable(&ip_0);
status += nx_udp_enable(&ip_1);
/* Check for UDP enable errors. */
if (status)
error_counter++;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
/* Print out some test information banners. */
printf("NetX Test: ICMPv6 Error Small Packet Test............................");
/* Check for earlier error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Wait until DAD finishes. */
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
advanced_packet_process_callback = my_packet_process;
/* Create a UDP socket. */
status = nx_udp_socket_create(&ip_0, &socket_0, "Socket 0", NX_IP_NORMAL, NX_FRAGMENT_OKAY, 0x80, 5);
/* Check status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Bind the UDP socket to the IP port. */
status = nx_udp_socket_bind(&socket_0, 0x88, TX_WAIT_FOREVER);
/* Check status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Let driver use large pool. */
_nx_ram_network_driver_set_pool(&pool_0);
/* Test error message with icmp disabled. */
/* Set nd cache so no NS or NA is needed. */
nxd_nd_cache_entry_set(&ip_0, ipv6_address_2.nxd_ip_address.v6, 0, mac[1]);
nxd_nd_cache_entry_set(&ip_1, ipv6_address_1.nxd_ip_address.v6, 0, mac[0]);
/* Allocate a packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_UDP_PACKET, TX_WAIT_FOREVER);
/* Write data into the packet payload! */
status += nx_packet_data_append(my_packet, test_data, sizeof(test_data), &pool_0, NX_WAIT_FOREVER);
/* Check status. */
if (status != NX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Send the UDP packet to unbinded peer. */
status = nxd_udp_socket_send(&socket_0, my_packet, &ipv6_address_2, 0x89);
/* Check status. */
if ((status) || (icmpv6_error_count != 0))
{
printf("ERROR!\n");
test_control_return(1);
}
printf("SUCCESS!\n");
test_control_return(0);
}
static UINT my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr)
{
UCHAR *data = packet_ptr -> nx_packet_prepend_ptr;
/* Check whether it is an icmpv6 packet. */
if (packet_ptr -> nx_packet_length >= 48)
{
/* Is it ICMPv6 packet? */
if (data[6] == 0x3A)
{
/* ICMPv6 error message. */
if (data[40] == 0x01)
{
/* Yes it is. */
icmpv6_error_count++;
}
}
}
return NX_TRUE;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_icmpv6_error_small_packet_test_application_define(void *first_unused_memory)
#endif
{
/* Print out some test information banners. */
printf("NetX Test: ICMPv6 Error Small Packet Test............................N/A\n");
test_control_return(3);
}
#endif
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