/***************************************************************************/ /* 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 failure situation of IPv6 send. */ #include "tx_api.h" #include "nx_api.h" extern void test_control_return(UINT status); #ifdef FEATURE_NX_IPV6 #include "nx_nd_cache.h" #include "nx_icmpv6.h" #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; /* Define the counters used in the demo application... */ static ULONG error_counter; #ifndef NX_DISABLE_LOOPBACK_INTERFACE static NXD_ADDRESS lo_address; static NX_PACKET *consume_packet[20]; static ULONG consumed; #endif /* NX_DISABLE_LOOPBACK_INTERFACE */ #ifdef NX_DISABLE_FRAGMENTATION static CHAR send_buffer[256]; #endif /* NX_DISABLE_FRAGMENTATION */ /* Define thread prototypes. */ static void thread_0_entry(ULONG thread_input); extern void _nx_ram_network_driver_256(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_ipv6_send_fail_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, "Pool 0", 512, pointer, 4096); pointer = pointer + 4096; /* Create a packet pool. */ status += nx_packet_pool_create(&pool_1, "Pool 1", 512, pointer, 4096); pointer = pointer + 4096; 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; /* Create an IP instance. */ status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_1, _nx_ram_network_driver_256, pointer, 2048, 1); pointer = pointer + 2048; if (status) error_counter++; /* Enable IPv6 */ status = nxd_ipv6_enable(&ip_0); status += nxd_ipv6_enable(&ip_1); /* Enable ICMP for IP Instance 0 and 1. */ status += nxd_icmp_enable(&ip_0); status += nxd_icmp_enable(&ip_1); if(status) error_counter++; #ifndef NX_DISABLE_LOOPBACK_INTERFACE /* Set IPv6 loopback address. */ lo_address.nxd_ip_version = NX_IP_VERSION_V6; lo_address.nxd_ip_address.v6[0] = 0x00000000; lo_address.nxd_ip_address.v6[1] = 0x00000000; lo_address.nxd_ip_address.v6[2] = 0x00000000; lo_address.nxd_ip_address.v6[3] = 0x00000001; #endif /* FEATURE_NX_IPV6 */ } /* Define the test threads. */ static void thread_0_entry(ULONG thread_input) { UINT status; NX_PACKET *pkt_ptr; NXD_ADDRESS address_1; NXD_ADDRESS address_unknown; ULONG prefix_length; UINT interface_index; UINT i; /* Print out some test information banners. */ printf("NetX Test: IPv6 send fail Test......................................."); /* Check for earlier error. */ if (error_counter) { printf("ERROR!\n"); test_control_return(1); } /* Set interfaces' address */ status = nxd_ipv6_address_set(&ip_0, 0, NX_NULL, 10, NX_NULL); status += nxd_ipv6_address_set(&ip_1, 0, NX_NULL, 10, NX_NULL); /* Check status. */ if (status) { error_counter++; } /* Sleep 5 seconds for DAD. */ tx_thread_sleep(5 * NX_IP_PERIODIC_RATE); #ifndef NX_DISABLE_LOOPBACK_INTERFACE /* Now ping loopback address. */ status = nxd_icmp_ping(&ip_0, &lo_address, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &pkt_ptr, NX_IP_PERIODIC_RATE); /* Check status. */ if (status) { error_counter++; } else { nx_packet_release(pkt_ptr); } /* Now consume packets from pool_0. */ consumed = 0; while (pool_0.nx_packet_pool_available > 1) { nx_packet_allocate(&pool_0, &consume_packet[consumed++], 0, NX_NO_WAIT); } /* Now ping loopback address. Only one packet is left so it is not possible to receive the packet. */ status = nxd_icmp_ping(&ip_0, &lo_address, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &pkt_ptr, NX_IP_PERIODIC_RATE); /* Check status. */ if (status == NX_SUCCESS) { error_counter++; nx_packet_release(pkt_ptr); } /* Release consumed packets. */ while (consumed) { consumed--; nx_packet_release(consume_packet[consumed]); } #endif /* NX_DISABLE_LOOPBACK_INTERFACE */ /* Get the link local address of ip_1. */ status = nxd_ipv6_address_get(&ip_1, 0, &address_1, &prefix_length, &interface_index); /* Check status. */ if (status) { error_counter++; } /* Set function pointer of ICMPv6 to NULL. */ ip_0.nx_ip_icmpv6_packet_process = NX_NULL; /* Now ping ip_1's address. ICMPv6 process function pointer is set to NULL. */ status = nxd_icmp_ping(&ip_0, &address_1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &pkt_ptr, NX_IP_PERIODIC_RATE); /* Check status. */ if (status == NX_SUCCESS) { error_counter++; nx_packet_release(pkt_ptr); } /* Recover function pointer of ICMPv6. */ ip_0.nx_ip_icmpv6_packet_process = _nx_icmpv6_packet_process; /* Now ping ip_1's address. */ status = nxd_icmp_ping(&ip_0, &address_1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &pkt_ptr, NX_IP_PERIODIC_RATE); /* Check status. */ if (status) { error_counter++; } else { nx_packet_release(pkt_ptr); } #ifdef NX_DISABLE_FRAGMENTATION /* Now ping ip_1's address. Fragment is disabled but sizeof data is larger than MTU. */ status = nxd_icmp_ping(&ip_0, &address_1, send_buffer, sizeof(send_buffer), &pkt_ptr, NX_IP_PERIODIC_RATE); /* Check status. */ if (status == NX_SUCCESS) { error_counter++; nx_packet_release(pkt_ptr); } #endif /* NX_DISABLE_FRAGMENTATION */ /* Set an unknown destination. */ address_unknown.nxd_ip_version = NX_IP_VERSION_V6; address_unknown.nxd_ip_address.v6[0] = 0xFE800000; address_unknown.nxd_ip_address.v6[1] = 0x00000000; address_unknown.nxd_ip_address.v6[2] = 0x00000000; address_unknown.nxd_ip_address.v6[3] = 0x00000001; /* Ping unknow address until ND queue depth. */ for (i = 0; i <= NX_ND_MAX_QUEUE_DEPTH; i++) { status = nxd_icmp_ping(&ip_0, &address_unknown, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &pkt_ptr, NX_NO_WAIT); /* Check status. */ if (status == NX_SUCCESS) { error_counter++; nx_packet_release(pkt_ptr); } } /* Determine how to report error. */ if (error_counter) { printf("ERROR!\n"); test_control_return(1); } else { printf("SUCCESS!\n"); test_control_return(0); } } #else #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_ipv6_send_fail_test_application_define(void *first_unused_memory) #endif { /* Print out test information banner. */ printf("NetX Test: IPv6 send fail Test.......................................N/A\n"); test_control_return(3); } #endif