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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 to test the ICMPv6 Echo request process. */
#include "tx_api.h"
#include "nx_api.h"
extern void test_control_return(UINT status);
#if defined(FEATURE_NX_IPV6) && !defined(NX_DISABLE_ICMP_INFO) && !defined(NX_DISABLE_IPV6_DAD)
#include "nx_tcp.h"
#include "nx_ip.h"
#include "nx_ipv6.h"
#include "nx_icmpv6.h"
#include "nx_ram_network_driver_test_1500.h"
#define DEMO_STACK_SIZE 2048
#define TEST_INTERFACE 1
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
/* Define the counters used in the demo application... */
static ULONG error_counter;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
extern void test_control_return(UINT status);
extern void _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req);
static void icmp_checksum_compute(NX_PACKET *packet_ptr);
/* Frame (68 bytes) */
static const unsigned char pkt1[68] = {
0x00, 0x11, 0x22, 0x33, 0x44, 0x56, 0x00, 0x00, /* .."3DV.. */
0x00, 0x00, 0x01, 0x00, 0x86, 0xdd, 0x60, 0x00, /* ......`. */
0x00, 0x00, 0x00, 0x0e, 0x3a, 0x40, 0xfe, 0x80, /* ....:@.. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, /* ........ */
0x00, 0xff, 0xfe, 0x00, 0x01, 0x00, 0xfe, 0x80, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x11, /* ........ */
0x22, 0xff, 0xfe, 0x33, 0x44, 0x56, 0x80, 0x00, /* "..3DV.. */
0x19, 0x1b, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, /* ........ */
0xff, 0xff, 0xff, 0xff /* .... */
};
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_icmpv6_echo_request_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,
4, 4, 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", 1536, pointer, 1536*4);
pointer = pointer + 1536*4;
if(status)
error_counter++;
/* Create an IP instance. */
status = _nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1,2,3,4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_256,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Check ARP enable status. */
if(status)
error_counter++;
/* Enable IPv6 */
status = nxd_ipv6_enable(&ip_0);
/* Check IPv6 enable status. */
if(status)
error_counter++;
/* Enable ICMP for IP Instance 0 and 1. */
status = nxd_icmp_enable(&ip_0);
/* Check icmp enable status. */
if(status)
error_counter++;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
NX_IPV6_HEADER *ip_header_ptr;
/* Print out test information banner. */
printf("NetX Test: ICMPv6 Echo Request Test..................................");
/* Check for earlier error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the linklocal address*/
status = nxd_ipv6_address_set(&ip_0, 0, NX_NULL, 10, NX_NULL);
/* Check the status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Before DAD complete. */
/* Allocate one packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_IPv6_PACKET, 5 * NX_IP_PERIODIC_RATE);
/* Write data into the packet payload, ignore the physical header! */
memcpy(my_packet -> nx_packet_prepend_ptr, &pkt1[14], 54);
/* Adjust the write pointer. */
my_packet -> nx_packet_length = 54;
my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + 54;
/* Set the interface. */
my_packet -> nx_packet_address.nx_packet_interface_ptr = &ip_0.nx_ip_interface[0];
/* Calculate the ICMP checksum. */
icmp_checksum_compute(my_packet);
/* Call the _nx_ip_packet_receive function directly receive the ICMPv6 Echo Request. */
_nx_ip_packet_receive(&ip_0, my_packet);
/* Check the value. */
if ((ip_0.nx_ip_pings_received != 0) || (ip_0.nx_ip_pings_responded_to != 0))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Waiting for DAD. */
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
/* Allocate one packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_IPv6_PACKET, 5 * NX_IP_PERIODIC_RATE);
/* Write data into the packet payload, ignore the physical header! */
memcpy(my_packet -> nx_packet_prepend_ptr, &pkt1[14], 54);
/* Adjust the write pointer. */
my_packet -> nx_packet_length = 54;
/* Set the error append pointer. */
my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + 54;
/* Points to the base of IPv6 header. */
ip_header_ptr = (NX_IPV6_HEADER*)my_packet -> nx_packet_prepend_ptr;
/* Modified the source address as invalid. */
ip_header_ptr -> nx_ip_header_source_ip[0] = 0;
ip_header_ptr -> nx_ip_header_source_ip[1] = 0;
ip_header_ptr -> nx_ip_header_source_ip[2] = 0;
ip_header_ptr -> nx_ip_header_source_ip[3] = 0;
/* Set the interface. */
my_packet -> nx_packet_address.nx_packet_interface_ptr = &ip_0.nx_ip_interface[0];
/* Calculate the ICMP checksum. */
icmp_checksum_compute(my_packet);
/* Call the _nx_ip_packet_receive function directly receive the ICMPv6 Echo Request with error source address. */
_nx_ip_packet_receive(&ip_0, my_packet);
/* Check the value. */
if ((ip_0.nx_ip_pings_received != 0) || (ip_0.nx_ip_pings_responded_to != 0))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Allocate one packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_IPv6_PACKET, 5 * NX_IP_PERIODIC_RATE);
/* Write data into the packet payload, ignore the physical header! */
memcpy(my_packet -> nx_packet_prepend_ptr, &pkt1[14], 54);
/* Adjust the write pointer. */
my_packet -> nx_packet_length = 54;
my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + 54;
/* Set the interface. */
my_packet -> nx_packet_address.nx_packet_interface_ptr = &ip_0.nx_ip_interface[0];
/* Calculate the ICMP checksum. */
icmp_checksum_compute(my_packet);
/* Call the _nx_ip_packet_receive function directly receive the valid ICMPv6 Echo Request. */
_nx_ip_packet_receive(&ip_0, my_packet);
/* Check the value. */
if ((ip_0.nx_ip_pings_received != 1) || (ip_0.nx_ip_pings_responded_to != 1))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Out successful. */
printf("SUCCESS!\n");
test_control_return(0);
}
static void icmp_checksum_compute(NX_PACKET *packet_ptr)
{
NX_ICMPV6_HEADER *header_ptr;
ULONG *source_ip, *dest_ip;
ULONG checksum;
/* Set packet version. */
packet_ptr -> nx_packet_ip_version = NX_IP_VERSION_V6;
/* Skip IPv6 header. */
packet_ptr -> nx_packet_prepend_ptr += sizeof(NX_IPV6_HEADER);
packet_ptr -> nx_packet_length -= sizeof(NX_IPV6_HEADER);
/* Get IPv6 addresses. */
source_ip = (ULONG *)(packet_ptr -> nx_packet_prepend_ptr - 32);
dest_ip = (ULONG *)(packet_ptr -> nx_packet_prepend_ptr - 16);
NX_IPV6_ADDRESS_CHANGE_ENDIAN(source_ip);
NX_IPV6_ADDRESS_CHANGE_ENDIAN(dest_ip);
header_ptr = (NX_ICMPV6_HEADER *)(packet_ptr -> nx_packet_prepend_ptr);
/* Calculate the ICMP checksum. */
header_ptr -> nx_icmpv6_header_checksum = 0;
/* Calculate the checksum. */
checksum = _nx_ip_checksum_compute(packet_ptr, NX_PROTOCOL_ICMPV6,
packet_ptr -> nx_packet_length,
source_ip, dest_ip);
checksum = ~checksum & NX_LOWER_16_MASK;
header_ptr -> nx_icmpv6_header_checksum = checksum;
NX_CHANGE_USHORT_ENDIAN(header_ptr -> nx_icmpv6_header_checksum);
/* Recover IPv6 header. */
NX_IPV6_ADDRESS_CHANGE_ENDIAN(source_ip);
NX_IPV6_ADDRESS_CHANGE_ENDIAN(dest_ip);
packet_ptr -> nx_packet_prepend_ptr -= sizeof(NX_IPV6_HEADER);
packet_ptr -> nx_packet_length += sizeof(NX_IPV6_HEADER);
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_icmpv6_echo_request_test_application_define(void *first_unused_memory)
#endif
{
/* Print out test information banner. */
printf("NetX Test: ICMPv6 Echo Request Test..................................N/A\n");
test_control_return(3);
}
#endif
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