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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 the forwarding operation. */
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_icmp.h"
extern void test_control_return(UINT status);
#if defined(__PRODUCT_NETXDUO__) && (NX_MAX_PHYSICAL_INTERFACES > 1) && !defined(NX_DISABLE_IPV4)
#define DEMO_STACK_SIZE 2048
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD ntest_0;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static NX_IP ip_1;
static NX_IP ip_2;
/* Define the counters used in the test application... */
static ULONG error_counter = 0;
/* Define thread prototypes. */
static void ntest_0_entry(ULONG thread_input);
extern void _nx_ram_network_driver_1500(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_forward_icmp_small_header_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
/* Create the main thread. */
tx_thread_create(&ntest_0, "thread 0", ntest_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", 256, pointer, 8192);
pointer = pointer + 8192;
if (status)
error_counter++;
/* Create an forward IP Instance 0. */
status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, 2048, 1);
pointer = pointer + 2048;
if (status)
error_counter++;
/* Set the second interface for forward IP Instance 0. */
status = nx_ip_interface_attach(&ip_0, "Second Interface", IP_ADDRESS(2, 2, 3, 4), 0xFFFFFF00UL, _nx_ram_network_driver_1500);
if (status)
error_counter++;
/* Create an IP Instance 1. */
status = nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, 2048, 2);
pointer = pointer + 2048;
if (status)
error_counter++;
/* Set the gateway for IP Instance 1. */
status = nx_ip_gateway_address_set(&ip_1, IP_ADDRESS(1, 2, 3, 4));
if (status)
error_counter++;
/* Create another IP Instance 2. */
status = nx_ip_create(&ip_2, "NetX IP Instance 1", IP_ADDRESS(2, 2, 3, 5), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, 2048, 2);
pointer = pointer + 2048;
if (status)
error_counter++;
/* Set the gateway for IP Instance 2. */
status = nx_ip_gateway_address_set(&ip_2, IP_ADDRESS(2, 2, 3, 4));
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;
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for IP Instance 1. */
status = nx_arp_enable(&ip_1, (void *) pointer, 1024);
pointer = pointer + 1024;
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for IP Instance 2. */
status = nx_arp_enable(&ip_2, (void *) pointer, 1024);
pointer = pointer + 1024;
if (status)
error_counter++;
/* Enable ICMP processing for both IP Instance 0. */
status = nx_icmp_enable(&ip_0);
if (status)
error_counter++;
/* Enable ICMP processing for both IP Instance 1. */
status = nx_icmp_enable(&ip_1);
if (status)
error_counter++;
/* Enable ICMP processing for both IP Instance 2. */
status = nx_icmp_enable(&ip_2);
if (status)
error_counter++;
/* Enable the forwarding function for IP Instance 0. */
status = nx_ip_forwarding_enable(&ip_0);
if (status)
error_counter++;
}
/* Define the test threads. */
static void ntest_0_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
ULONG pings_sent;
ULONG ping_timeouts;
ULONG ping_threads_suspended;
ULONG ping_responses_received;
ULONG icmp_checksum_errors;
ULONG icmp_unhandled_messages;
/* Print out test information banner. */
printf("NetX Test: Forward ICMP Small Header Processing 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_0.nx_ipv4_packet_receive = my_packet_process;
/* Now ip_1 ping ip_2. */
status = nx_icmp_ping(&ip_1, IP_ADDRESS(2, 2, 3, 5), "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &my_packet, NX_IP_PERIODIC_RATE);
/* Get ICMP information. */
status += nx_icmp_info_get(&ip_1, &pings_sent, &ping_timeouts, &ping_threads_suspended, &ping_responses_received, &icmp_checksum_errors, &icmp_unhandled_messages);
if ((status != NX_SUCCESS) || (my_packet == NX_NULL) || (my_packet -> nx_packet_length != 28))
{
printf("ERROR!\n");
test_control_return(1);
}
#ifndef NX_DISABLE_ICMP_INFO
if ((ping_timeouts != 0) || (pings_sent != 1) || (ping_responses_received != 1))
{
printf("ERROR!\n");
test_control_return(1);
}
#endif
/* Output successful. */
printf("SUCCESS!\n");
test_control_return(0);
}
static VOID my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr)
{
ULONG shift_size;
/* Calculate the shift data size. */
shift_size = (ULONG)(packet_ptr -> nx_packet_append_ptr - packet_ptr -> nx_packet_prepend_ptr);
/* Move the data to the start location, so the forward packet should remove the packet data to added the physical header. */
memmove(packet_ptr -> nx_packet_data_start, packet_ptr -> nx_packet_prepend_ptr, shift_size);
/* Update the prepend and append pointer. */
packet_ptr -> nx_packet_prepend_ptr = packet_ptr -> nx_packet_data_start;
packet_ptr -> nx_packet_append_ptr = packet_ptr -> nx_packet_prepend_ptr + shift_size;
/* Call the _nx_ipv4_packet_receive function directly receive this packet. */
_nx_ipv4_packet_receive(ip_ptr, packet_ptr);
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_forward_icmp_small_header_test_application_define(void *first_unused_memory)
#endif
{
printf("NetX Test: Forward ICMP Small Header Processing Test.................N/A\n");
test_control_return(3);
}
#endif
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