/***************************************************************************/ /* 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 with forward. */ /* Test tcp function between IP_2 and Interface0 of IP_0. */ /*************/ /* */ /* IP_1 */ /****************/ /* 1.2.3.5 */ /* 1.2.3.4 */ /*************/ /* Interface0 */ /* */ /* IP_0 */ /* */ /* Interface1 */ /* 2.2.3.4 */ /*************/ /****************/ /* */ /* IP_2 */ /* 2.2.3.5 */ /*************/ #include "tx_api.h" #include "nx_api.h" #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 thread_0; static TX_THREAD thread_1; static NX_PACKET_POOL pool_0; static NX_IP ip_0; static NX_IP ip_1; static NX_IP ip_2; static NX_TCP_SOCKET socket_0; static NX_TCP_SOCKET socket_2; /* Define the counters used in the demo application... */ static ULONG thread_0_counter = 0; static ULONG thread_1_counter = 0; static ULONG error_counter = 0; static ULONG connections = 0; static ULONG disconnections = 0; static ULONG client_receives = 0; static ULONG server_receives = 0; static UINT client_port; /* Define thread prototypes. */ static void thread_0_entry(ULONG thread_input); static void thread_1_entry(ULONG thread_input); extern void test_control_return(UINT status); extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req); /* Define what the initial system looks like. */ #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_forward_tcp_test_3_application_define(void *first_unused_memory) #endif { CHAR *pointer; UINT status; /* Setup the working pointer. */ pointer = (CHAR *) first_unused_memory; thread_0_counter = 0; thread_1_counter = 0; error_counter = 0; connections = 0; disconnections = 0; client_receives = 0; server_receives = 0; client_port = 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; /* 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", 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 UDP traffic. */ status = nx_tcp_enable(&ip_0); status += nx_tcp_enable(&ip_1); status += nx_tcp_enable(&ip_2); /* Check for UDP enable errors. */ 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 thread_0_entry(ULONG thread_input) { UINT status; NX_PACKET *my_packet; UINT free_port; ULONG packets_sent, bytes_sent, packets_received, bytes_received, retransmit_packets, packets_queued, checksum_errors, socket_state, transmit_queue_depth, transmit_window, receive_window; /* Print out some test information banners. */ printf("NetX Test: Forward TCP Processing Test3.............................."); /* Check for earlier error. */ if (error_counter) { printf("ERROR!\n"); test_control_return(1); } /* Create a socket. */ status = nx_tcp_socket_create(&ip_2, &socket_2, "Socket 0", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 200, NX_NULL, NX_NULL); /* Check status. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Get a free port for the client's use. */ status = nx_tcp_free_port_find(&ip_2, 0x88, &free_port); /* Check status. */ if ((status) || (free_port != 0x88)) { printf("ERROR!\n"); test_control_return(1); } /* Bind the socket. */ status = nx_tcp_client_socket_bind(&socket_2, 0x88, NX_WAIT_FOREVER); /* Check status. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Pickup the port for the client socket. */ status = nx_tcp_client_socket_port_get(&socket_2, &free_port); /* Check for error. */ if ((status) || (free_port != 0x88)) { printf("ERROR!\n"); test_control_return(1); } /* Attempt to connect the socket. */ status = nx_tcp_client_socket_connect(&socket_2, IP_ADDRESS(1, 2, 3, 4), 0x89, 5 * NX_IP_PERIODIC_RATE); /* Check status. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Wait for established state. */ status = nx_tcp_socket_state_wait(&socket_2, NX_TCP_ESTABLISHED, 5 * NX_IP_PERIODIC_RATE); /* Check status. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Allocate a packet. */ status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_WAIT_FOREVER); /* Check status. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Write ABCs into the packet payload! */ memcpy(my_packet -> nx_packet_prepend_ptr, "ABCDEFGHIJKLMNOPQRSTUVWXYZ ", 28); /* Adjust the write pointer. */ my_packet -> nx_packet_length = 28; my_packet -> nx_packet_append_ptr = my_packet -> nx_packet_prepend_ptr + 28; /* Send the packet out! */ status = nx_tcp_socket_send(&socket_2, my_packet, 5 * NX_IP_PERIODIC_RATE); /* Check status. */ if (status) { nx_packet_release(my_packet); printf("ERROR!\n"); test_control_return(1); } /* Disconnect this socket. */ status = nx_tcp_socket_disconnect(&socket_2, 5 * NX_IP_PERIODIC_RATE); /* Determine if the status is valid. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Unbind the socket. */ status = nx_tcp_client_socket_unbind(&socket_2); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Get information about this socket. */ status = nx_tcp_socket_info_get(&socket_2, &packets_sent, &bytes_sent, &packets_received, &bytes_received, &retransmit_packets, &packets_queued, &checksum_errors, &socket_state, &transmit_queue_depth, &transmit_window, &receive_window); #ifndef NX_DISABLE_TCP_INFO if((packets_sent != 1) || (bytes_sent != 28)) { printf("ERROR!\n"); test_control_return(1); } #endif /* Check for errors. */ if ((error_counter) || (status) || (packets_received) || (bytes_received) || (retransmit_packets) || (packets_queued) || (checksum_errors) || (socket_state != NX_TCP_CLOSED) || (transmit_queue_depth) || (transmit_window != 100) || (receive_window != 200)) { printf("ERROR!\n"); test_control_return(1); } /* Delete the socket. */ status = nx_tcp_socket_delete(&socket_2); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } else { printf("SUCCESS!\n"); test_control_return(0); } } static void thread_1_entry(ULONG thread_input) { UINT status; NX_PACKET *packet_ptr; ULONG actual_status; /* Ensure the IP instance has been initialized. */ status = nx_ip_status_check(&ip_0, NX_IP_INITIALIZE_DONE, &actual_status, NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Create a socket. */ status = nx_tcp_socket_create(&ip_0, &socket_0, "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 100, NX_NULL, NX_NULL); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Setup this thread to listen. */ status = nx_tcp_server_socket_listen(&ip_0, 0x89, &socket_0, 5, NX_NULL); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Accept a client socket connection. */ status = nx_tcp_server_socket_accept(&socket_0, 5 * NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Receive a TCP message from the socket. */ status = nx_tcp_socket_receive(&socket_0, &packet_ptr, 5 * NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } else { /* Release the packet. */ nx_packet_release(packet_ptr); } /* Disconnect the server socket. */ status = nx_tcp_socket_disconnect(&socket_0, 5 * NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Unaccept the server socket. */ status = nx_tcp_server_socket_unaccept(&socket_0); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Unlisten on the server port. */ status = nx_tcp_server_socket_unlisten(&ip_0, 0x89); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } /* Delete the socket. */ status = nx_tcp_socket_delete(&socket_0); /* Check for error. */ if (status) { printf("ERROR!\n"); test_control_return(1); } } #else extern void test_control_return(UINT status); #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_forward_tcp_test_3_application_define(void *first_unused_memory) #endif { printf("NetX Test: Forward TCP Processing Test3..............................N/A\n"); test_control_return(3); } #endif