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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 basic TCP operation. */
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_tcp.h"
#include "nx_icmp.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ipv6.h"
#endif /* FEATURE_NX_IPV6 */
#if defined(__PRODUCT_NETX__)
#define NX_PROTOCOL_TCP 6
#define NX_PROTOCOL_UDP 17
#define NX_PROTOCOL_ICMPV6 58
#define NX_PROTOCOL_ICMP 1
#define NX_IP_VERSION_V4 4 /* IP-in-IP encapsulation */
#endif
#define DEMO_STACK_SIZE 2048
#define PHYSICAL_OFFSET 14
/* Define raw packet data. */
static char pkt_tcp_32[] = {
0x00, 0x50, 0x56, 0xc0, 0x00, 0x08, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x08, 0x00, 0x45, 0x10,
0x00, 0x34, 0xf2, 0x4b, 0x40, 0x00, 0x40, 0x06,
0xea, 0x94, 0xc0, 0xa8, 0xee, 0x80, 0xc0, 0xa8,
0xee, 0x01, 0x00, 0x16, 0xe2, 0xb1, 0xcb, 0xe8,
0x2a, 0xb4, 0x0a, 0x4e, 0x4c, 0x16, 0x80, 0x10,
0x03, 0xea, 0x36, 0xba, 0x00, 0x00, 0x01, 0x01,
0x05, 0x0a, 0x0a, 0x4e, 0x4e, 0x16, 0x0a, 0x4e,
0x4e, 0xca };
static char pkt_tcp_37[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x39, 0x77, 0xd7, 0x40, 0x00, 0x40, 0x06,
0xc4, 0xe5, 0x7f, 0x00, 0x00, 0x01, 0x7f, 0x00,
0x00, 0x01, 0x00, 0x0d, 0x9d, 0x48, 0x52, 0x32,
0xec, 0x47, 0x52, 0x2b, 0x98, 0x93, 0x80, 0x18,
0x02, 0x00, 0x4f, 0x22, 0x00, 0x00, 0x01, 0x01,
0x08, 0x0a, 0x03, 0x05, 0x9b, 0x90, 0x03, 0x05,
0x9b, 0x90, 0x48, 0x65, 0x6c, 0x6c, 0x6f };
static char pkt_udp_53[] = {
0x00, 0x50, 0x56, 0xfb, 0x32, 0x2d, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x08, 0x00, 0x45, 0x00,
0x00, 0x49, 0x43, 0x73, 0x40, 0x00, 0x40, 0x11,
0x99, 0x5c, 0xc0, 0xa8, 0xee, 0x80, 0xc0, 0xa8,
0xee, 0x02, 0xe1, 0xee, 0x00, 0x35, 0x00, 0x35,
0x61, 0x91, 0x7c, 0x8c, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x68,
0x65, 0x6c, 0x70, 0x06, 0x75, 0x62, 0x75, 0x6e,
0x74, 0x75, 0x03, 0x63, 0x6f, 0x6d, 0x0b, 0x6c,
0x6f, 0x63, 0x61, 0x6c, 0x64, 0x6f, 0x6d, 0x61,
0x69, 0x6e, 0x00, 0x00, 0x1c, 0x00, 0x01 };
static char pkt_udp_40[] = {
0x00, 0x50, 0x56, 0xfb, 0x32, 0x2d, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x08, 0x00, 0x45, 0x00,
0x00, 0x3c, 0x43, 0x5a, 0x40, 0x00, 0x40, 0x11,
0x99, 0x82, 0xc0, 0xa8, 0xee, 0x80, 0xc0, 0xa8,
0xee, 0x02, 0xd7, 0x98, 0x00, 0x35, 0x00, 0x28,
0x06, 0x9c, 0x34, 0xb8, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x77,
0x77, 0x77, 0x06, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0x00, 0x01,
0x00, 0x01 };
static char pkt_icmp_18[] = {
0x00, 0x50, 0x56, 0xfb, 0x32, 0x2d, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x08, 0x00, 0x45, 0x00,
0x00, 0x26, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01,
0xcb, 0x04, 0xc0, 0xa8, 0xee, 0x80, 0xc0, 0xa8,
0x00, 0x01, 0x08, 0x00, 0x26, 0x76, 0x15, 0xa0,
0x00, 0x01, 0x71, 0x94, 0xd1, 0x50, 0x65, 0xfa,
0x0b, 0x00, 0x08, 0x09 };
static char pkt_icmp_23[] = {
0x00, 0x50, 0x56, 0xfb, 0x32, 0x2d, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x08, 0x00, 0x45, 0x00,
0x00, 0x2b, 0x00, 0x00, 0x40, 0x00, 0x40, 0x01,
0xca, 0xff, 0xc0, 0xa8, 0xee, 0x80, 0xc0, 0xa8,
0x00, 0x01, 0x08, 0x00, 0x55, 0x9b, 0x15, 0xa4,
0x00, 0x02, 0x91, 0x94, 0xd1, 0x50, 0xf2, 0xb7,
0x0b, 0x00, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
0x0e };
static char pkt_icmpv6_32[] = {
0x33, 0x33, 0xff, 0x89, 0x7e, 0xba, 0x00, 0x0c,
0x29, 0x01, 0xd4, 0x79, 0x86, 0xdd, 0x60, 0x00,
0x00, 0x00, 0x00, 0x20, 0x3a, 0xff, 0xfe, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x0c,
0x29, 0xff, 0xfe, 0x01, 0xd4, 0x79, 0xff, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0xff, 0x89, 0x7e, 0xba, 0x87, 0x00,
0x42, 0x58, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9d, 0x70,
0x49, 0x3f, 0x59, 0x89, 0x7e, 0xba, 0x01, 0x01,
0x00, 0x0c, 0x29, 0x01, 0xd4, 0x79 };
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static NX_PACKET_POOL pool_0;
static ULONG error_counter = 0;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void verify_checksum(UINT index);
extern void test_control_return(UINT status);
typedef struct CHECKSUM_TEST_SEQ_STRUCT
{
char *pkt_data;
int pkt_size;
ULONG protocol;
ULONG offset;
}CHECKSUM_TEST_SEQ;
static CHECKSUM_TEST_SEQ checksum_test_seq[] =
{
/* ICMPv6 checksum with payload size 32. */
{pkt_icmpv6_32, sizeof(pkt_icmpv6_32), NX_PROTOCOL_ICMPV6, 54},
/* Following packets are IPv4. */
/* IPv4 checksum with payload size 43. */
{pkt_icmp_23, sizeof(pkt_icmp_23), NX_IP_VERSION_V4, 14},
/* ICMPv4 checksum with payload size 23. */
{pkt_icmp_23, sizeof(pkt_icmp_23), NX_PROTOCOL_ICMP, 34},
/* IPv4 checksum with payload size 38. */
{pkt_icmp_18, sizeof(pkt_icmp_18), NX_IP_VERSION_V4, 14},
/* ICMPv4 checksum with payload size 18. */
{pkt_icmp_18, sizeof(pkt_icmp_18), NX_PROTOCOL_ICMP, 34},
/* IPv4 checksum with payload size 60. */
{pkt_udp_40, sizeof(pkt_udp_40), NX_IP_VERSION_V4, 14},
/* UDP checksum with payload size 40. */
{pkt_udp_40, sizeof(pkt_udp_40), NX_PROTOCOL_UDP, 34},
/* IPv4 checksum with payload size 73. */
{pkt_udp_53, sizeof(pkt_udp_53), NX_IP_VERSION_V4, 14},
/* UDP checksum with payload size 53. */
{pkt_udp_53, sizeof(pkt_udp_53), NX_PROTOCOL_UDP, 34},
/* IPv4 checksum with payload size 57. */
{pkt_tcp_37, sizeof(pkt_tcp_37), NX_IP_VERSION_V4, 14},
/* TCP checksum with payload size 37. */
{pkt_tcp_37, sizeof(pkt_tcp_37), NX_PROTOCOL_TCP, 34},
/* IPv4 checksum with payload size 52. */
{pkt_tcp_32, sizeof(pkt_tcp_32), NX_IP_VERSION_V4, 14},
/* TCP checksum with payload size 32. */
{pkt_tcp_32, sizeof(pkt_tcp_32), NX_PROTOCOL_TCP, 34}
};
static UINT seq_size = sizeof(checksum_test_seq)/sizeof(CHECKSUM_TEST_SEQ);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_checksum_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
/* 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;
nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 256, pointer, 8192);
pointer = pointer + 8192;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT i;
/* Print out some test information banners. */
printf("NetX Test: Checksum Test.............................................");
for(i = 0; i < seq_size; i++)
verify_checksum(i);
/* Check status. */
if(error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
/* Define the verify checksum function. */
static void verify_checksum(UINT index)
{
NX_PACKET *pkt_ptr;
ULONG source_ip[4];
ULONG dest_ip[4];
ULONG checksum;
/* Allocate a packet and fill data into the packet. */
if(nx_packet_allocate(&pool_0, &pkt_ptr, NX_RECEIVE_PACKET, TX_NO_WAIT))
{
error_counter++;
return;
}
if(nx_packet_data_append(pkt_ptr, checksum_test_seq[index].pkt_data + checksum_test_seq[index].offset,
checksum_test_seq[index].pkt_size - checksum_test_seq[index].offset,
&pool_0, TX_NO_WAIT))
{
error_counter++;
nx_packet_release(pkt_ptr);
return;
}
#if defined(__PRODUCT_NETXDUO__)
/* Get IP address. */
if((*(checksum_test_seq[index].pkt_data + PHYSICAL_OFFSET) >> 4) == NX_IP_VERSION_V4)
{
#ifndef NX_DISABLE_IPV4
NX_IPV4_HEADER *ip_header_ptr;
ip_header_ptr = (NX_IPV4_HEADER*)(checksum_test_seq[index].pkt_data + PHYSICAL_OFFSET);
source_ip[0] = ip_header_ptr -> nx_ip_header_source_ip;
dest_ip[0] = ip_header_ptr -> nx_ip_header_destination_ip;
NX_CHANGE_ULONG_ENDIAN(source_ip[0]);
NX_CHANGE_ULONG_ENDIAN(dest_ip[0]);
pkt_ptr -> nx_packet_ip_version = NX_IP_VERSION_V4;
#else
nx_packet_release(pkt_ptr);
return;
#endif /* NX_DISABLE_IPV4 */
}
#ifdef FEATURE_NX_IPV6
else if((*(checksum_test_seq[index].pkt_data + PHYSICAL_OFFSET) >> 4) == NX_IP_VERSION_V6)
{
NX_IPV6_HEADER *ipv6_header;
ipv6_header = (NX_IPV6_HEADER*)(checksum_test_seq[index].pkt_data + PHYSICAL_OFFSET);
COPY_IPV6_ADDRESS(ipv6_header -> nx_ip_header_source_ip, source_ip);
COPY_IPV6_ADDRESS(ipv6_header -> nx_ip_header_destination_ip, dest_ip);
_nx_ipv6_address_change_endian(source_ip);
_nx_ipv6_address_change_endian(dest_ip);
pkt_ptr -> nx_packet_ip_version = NX_IP_VERSION_V6;
}
#endif /* FEATURE_NX_IPV6 */
else
{
/* Release packet. */
nx_packet_release(pkt_ptr);
return;
}
if(checksum_test_seq[index].protocol == NX_IP_VERSION_V4)
pkt_ptr -> nx_packet_length = 20;
/* Calculate checksum. */
checksum = _nx_ip_checksum_compute(pkt_ptr, checksum_test_seq[index].protocol,
pkt_ptr -> nx_packet_length,
source_ip, dest_ip);
checksum = ~checksum & NX_LOWER_16_MASK;
#elif defined(__PRODUCT_NETX__)
checksum = 0;
if(checksum_test_seq[index].protocol == NX_PROTOCOL_TCP)
{
NX_IP_HEADER *ip_header_ptr;
ip_header_ptr = (NX_IP_HEADER*)(checksum_test_seq[index].pkt_data + PHYSICAL_OFFSET);
source_ip[0] = ip_header_ptr -> nx_ip_header_source_ip;
dest_ip[0] = ip_header_ptr -> nx_ip_header_destination_ip;
NX_CHANGE_ULONG_ENDIAN(source_ip[0]);
NX_CHANGE_ULONG_ENDIAN(dest_ip[0]);
checksum = _nx_tcp_checksum(pkt_ptr, source_ip[0], dest_ip[0]);
}
else if(checksum_test_seq[index].protocol == NX_PROTOCOL_ICMP)
{
checksum = _nx_icmp_checksum_compute(pkt_ptr);
checksum = ~checksum & NX_LOWER_16_MASK;
}
#endif
if(checksum)
error_counter++;
/* Release packet. */
nx_packet_release(pkt_ptr);
}
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