/***************************************************************************/ /* 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 IP fragmentation disable operation. */ #include "tx_api.h" #include "nx_api.h" #include "nx_ip.h" extern void test_control_return(UINT status); #if defined(__PRODUCT_NETXDUO__) && !defined(NX_DISABLE_IPV4) #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_IP ip_0; static NX_IP ip_1; /* Define the counters used in the demo application... */ static ULONG error_counter; static ULONG icmp_counter; /* 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); 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_ip_invalid_packet_receive_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, 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", 500, pointer, 4096); pointer = pointer + 4096; /* Check for pool creation error. */ if (status) error_counter++; /* Create an IP instance. */ status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFF000UL, &pool_0, _nx_ram_network_driver_256, pointer, 2048, 1); pointer = pointer + 2048; /* Create another IP instance. */ status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFF000UL, &pool_0, _nx_ram_network_driver_256, pointer, 2048, 1); pointer = pointer + 2048; /* Check for IP create errors. */ 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; /* Enable ARP and supply ARP cache memory for IP Instance 1. */ status += nx_arp_enable(&ip_1, (void *) pointer, 1024); pointer = pointer + 1024; /* Check for ARP enable errors. */ if (status) error_counter++; /* Enable ICMP traffic. */ status = nx_icmp_enable(&ip_0); status += nx_icmp_enable(&ip_1); /* Check for ICMP enable errors. */ if (status) error_counter++; } /* Define the test threads. */ static void thread_0_entry(ULONG thread_input) { UINT status; NX_PACKET *my_packet; /* Print out some test information banners. */ printf("NetX Test: IP Invalid Packet Receive 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_1.nx_ipv4_packet_receive = my_packet_process; /* Now ip_0 ping ip_1. */ status = nx_icmp_ping(&ip_0, IP_ADDRESS(1, 2, 3, 5), "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 28, &my_packet, NX_IP_PERIODIC_RATE); /* Check the status. */ if ((status == NX_SUCCESS) || (my_packet)) { #if defined(NX_ENABLE_INTERFACE_CAPABILITY) || defined(NX_DISABLE_IP_RX_CHECKSUM) if (my_packet -> nx_packet_length == 28) #endif /* NX_ENABLE_INTERFACE_CAPABILITY */ { printf("ERROR!\n"); test_control_return(1); } } /* Check the error counter and icmp counter. */ if ((error_counter) || (icmp_counter != 1)) { printf("ERROR!\n"); test_control_return(1); } else { /* Output successful. */ printf("SUCCESS!\n"); test_control_return(0); } } static VOID my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr) { UINT status; NX_PACKET *copy_packet_0; NX_PACKET *copy_packet_1; NX_PACKET *copy_packet_2; #ifndef NX_DISABLE_PACKET_CHAIN NX_PACKET *copy_packet_3; NX_PACKET *copy_packet_4; NX_PACKET *copy_packet_5; #endif #ifdef __PRODUCT_NETXDUO__ NX_IPV4_HEADER *ip_header_ptr; #else NX_IP_HEADER *ip_header_ptr; #endif /* Get the ICMP packet. */ icmp_counter ++; /*************************************************************/ /* nx_packet_length < header length nx_ipv4_packet_receive() */ /*************************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_0, &pool_0, NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Set the invalid packet length. */ copy_packet_0 -> nx_packet_length = 18; /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_0); /**********************************************************/ /* nx_packet_length < pkt_length nx_ipv4_packet_receive() */ /**********************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_1, &pool_0, NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Get the IPv4 header. */ #ifdef __PRODUCT_NETXDUO__ ip_header_ptr = (NX_IPV4_HEADER *)copy_packet_1 -> nx_packet_prepend_ptr; #else ip_header_ptr = (NX_IP_HEADER *)copy_packet_1 -> nx_packet_prepend_ptr; #endif /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Modified the packet length. */ ip_header_ptr -> nx_ip_header_word_0 += 0x00000001; /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_1); /****************************************************************************/ /* nx_packet_length > pkt_length for normal packet nx_ipv4_packet_receive() */ /****************************************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_2, &pool_0, NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Get the IPv4 header. */ #ifdef __PRODUCT_NETXDUO__ ip_header_ptr = (NX_IPV4_HEADER *)copy_packet_2 -> nx_packet_prepend_ptr; #else ip_header_ptr = (NX_IP_HEADER *)copy_packet_2 -> nx_packet_prepend_ptr; #endif /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Modified the packet length. */ ip_header_ptr -> nx_ip_header_word_0 -= 0x00000001; /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_2); #ifndef NX_DISABLE_PACKET_CHAIN /***************************************************************************/ /* nx_packet_length > pkt_length for chain packet nx_ipv4_packet_receive() */ /* last packet < delta, two packet chain. */ /***************************************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_3, &pool_0, NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Get the IPv4 header. */ #ifdef __PRODUCT_NETXDUO__ ip_header_ptr = (NX_IPV4_HEADER *)copy_packet_3 -> nx_packet_prepend_ptr; #else ip_header_ptr = (NX_IP_HEADER *)copy_packet_3 -> nx_packet_prepend_ptr; #endif /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Modified the packet length. */ ip_header_ptr -> nx_ip_header_word_0 -= 0x00000004; /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Allocate a packet. */ status = nx_packet_allocate(&pool_0, ©_packet_4, NX_UDP_PACKET, TX_WAIT_FOREVER); if (status) error_counter++; /* Write ABCs into the packet payload! */ memcpy(copy_packet_4 -> nx_packet_prepend_ptr, "ABC", 3); /* Adjust the write pointer. bigger than 256 to cause fragmentation. */ copy_packet_4 -> nx_packet_length = 3; copy_packet_4 -> nx_packet_append_ptr = copy_packet_4 -> nx_packet_prepend_ptr + 3; /* Chain the packet. */ copy_packet_3 -> nx_packet_next = copy_packet_4; copy_packet_3 -> nx_packet_last = copy_packet_4; /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_3); /***************************************************************************/ /* nx_packet_length > pkt_length for chain packet nx_ipv4_packet_receive() */ /* last packet < delta, three packet chain */ /***************************************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_3, &pool_0, 1 * NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Get the IPv4 header. */ #ifdef __PRODUCT_NETXDUO__ ip_header_ptr = (NX_IPV4_HEADER *)copy_packet_3 -> nx_packet_prepend_ptr; #else ip_header_ptr = (NX_IP_HEADER *)copy_packet_3 -> nx_packet_prepend_ptr; #endif /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Modified the packet length. */ ip_header_ptr -> nx_ip_header_word_0 -= 0x00000004; /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Allocate a packet. */ status = nx_packet_allocate(&pool_0, ©_packet_4, NX_UDP_PACKET, TX_WAIT_FOREVER); if (status) error_counter++; /* Write ABCs into the packet payload! */ memcpy(copy_packet_4 -> nx_packet_prepend_ptr, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 26); /* Adjust the write pointer. bigger than 256 to cause fragmentation. */ copy_packet_4 -> nx_packet_length = 26; copy_packet_4 -> nx_packet_append_ptr = copy_packet_4 -> nx_packet_prepend_ptr + 26; /* Allocate a packet. */ status = nx_packet_allocate(&pool_0, ©_packet_5, NX_UDP_PACKET, TX_WAIT_FOREVER); if (status) error_counter++; /* Write ABCs into the packet payload! */ memcpy(copy_packet_5 -> nx_packet_prepend_ptr, "ABC", 3); /* Adjust the write pointer. bigger than 256 to cause fragmentation. */ copy_packet_5 -> nx_packet_length = 3; copy_packet_5 -> nx_packet_append_ptr = copy_packet_5 -> nx_packet_prepend_ptr + 3; /* Chain the packet. */ copy_packet_3 -> nx_packet_next = copy_packet_4; copy_packet_3 -> nx_packet_last = copy_packet_5; copy_packet_4 -> nx_packet_next = copy_packet_5; /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_3); #endif /*******************************************************************/ /* ip_header_length < NX_IP_NORMAL_LENGTH nx_ipv4_packet_receive() */ /*******************************************************************/ /* Copy the packet. */ status = nx_packet_copy(packet_ptr, ©_packet_0, &pool_0, NX_IP_PERIODIC_RATE); /* Check the status. */ if (status) error_counter++; /* Get the IPv4 header. */ #ifdef __PRODUCT_NETXDUO__ ip_header_ptr = (NX_IPV4_HEADER *)copy_packet_0 -> nx_packet_prepend_ptr; #else ip_header_ptr = (NX_IP_HEADER *)copy_packet_0 -> nx_packet_prepend_ptr; #endif /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Modified the header length. */ ip_header_ptr -> nx_ip_header_word_0 -= 0x01000000; /* Convert to host byte order. */ NX_CHANGE_ULONG_ENDIAN(ip_header_ptr -> nx_ip_header_word_0); /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, copy_packet_0); /****************************************************************************/ /* nx_packet_length = pkt_length and no IP address nx_ipv4_packet_receive() */ /****************************************************************************/ /* Clear the ip_1 instance address. */ nx_ip_address_set(&ip_1, 0, 0); /* Call the _nx_ipv4_packet_receive function directly receive this packet. */ _nx_ipv4_packet_receive(&ip_1, packet_ptr); } #else #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_ip_invalid_packet_receive_test_application_define(void *first_unused_memory) #endif { /* Print out test information banner. */ printf("NetX Test: IP Invalid Packet Receive Test............................N/A\n"); test_control_return(3); } #endif