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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 */
/***************************************************************************/
#include "tx_api.h"
#include "nx_api.h"
extern void test_control_return(UINT status);
#ifdef FEATURE_NX_IPV6
#include "nx_udp.h"
#include "nx_ip.h"
#include "nx_ipv6.h"
#include "nxd_dhcpv6_client.h"
#define DEMO_STACK_SIZE 2048
#define DHCPV6_IANA_ID 0xc0dedbad
static TX_THREAD dhcpv6_client_thread;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static NX_DHCPV6 dhcp_client;
static CHAR *pointer;
static ULONG error_counter;
static UCHAR solicit = NX_FALSE;
static UCHAR request = NX_FALSE;
static ULONG server_identifier;
static ULONG server_identifier_length;
static ULONG server_duid_type;
static ULONG server_hardware_type;
static ULONG server_msw;
static ULONG server_lsw;
/* Define thread prototypes. */
static void dhcpv6_client_thread_entry(ULONG thread_input);
extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req);
extern UINT (*packet_process_callback)(NX_IP *ip_ptr, NX_PACKET *packet_ptr);
static UINT my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr);
extern UINT _nx_dhcpv6_utility_get_block_option_length(UCHAR *buffer_ptr, ULONG *option, ULONG *length);
/* Frame (118 bytes) Solicit */
static unsigned char pkt1[118] = {
0x33, 0x33, 0x00, 0x01, 0x00, 0x02, 0x00, 0x80, /* 33...... */
0xa3, 0xc7, 0x1c, 0xf6, 0x86, 0xdd, 0x60, 0x00, /* ......`. */
0x00, 0x00, 0x00, 0x40, 0x11, 0x40, 0xfe, 0x80, /* ...@.@.. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x80, /* ........ */
0xa3, 0xff, 0xfe, 0xc7, 0x1c, 0xf6, 0xff, 0x02, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x02, 0x22, /* ......." */
0x02, 0x23, 0x00, 0x40, 0xc2, 0x19, 0x01, 0xdc, /* .#.@.... */
0x5d, 0x45, 0x00, 0x01, 0x00, 0x0e, 0x00, 0x01, /* ]E...... */
0x00, 0x01, 0x5a, 0xcd, 0x54, 0xc7, 0x00, 0x80, /* ..Z.T... */
0xa3, 0xc7, 0x1c, 0xf6, 0x00, 0x03, 0x00, 0x0c, /* ........ */
0xc0, 0xde, 0xdb, 0xad, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x02, /* ........ */
0x0c, 0x1c, 0x00, 0x06, 0x00, 0x08, 0x00, 0x17, /* ........ */
0x00, 0x1f, 0x00, 0x29, 0x00, 0x18 /* ...).. */
};
/* Frame (178 bytes) Advertise */
static unsigned char pkt2[178] = {
0x00, 0x80, 0xa3, 0xc7, 0x1c, 0xf6, 0xec, 0x08, /* ........ */
0x6b, 0x93, 0x70, 0xde, 0x86, 0xdd, 0x60, 0x00, /* k.p...`. */
0x00, 0x00, 0x00, 0x7c, 0x11, 0x40, 0xfe, 0x80, /* ...|.@.. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xee, 0x08, /* ........ */
0x6b, 0xff, 0xfe, 0x93, 0x70, 0xde, 0xfe, 0x80, /* k...p... */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x80, /* ........ */
0xa3, 0xff, 0xfe, 0xc7, 0x1c, 0xf6, 0xd3, 0x98, /* ........ */
0x02, 0x22, 0x00, 0x7c, 0xd9, 0x80, 0x02, 0xdc, /* .".|.... */
0x5d, 0x45, 0x00, 0x01, 0x00, 0x0e, 0x00, 0x01, /* ]E...... */
0x00, 0x01, 0x5a, 0xcd, 0x54, 0xc7, 0x00, 0x80, /* ..Z.T... */
0xa3, 0xc7, 0x1c, 0xf6, 0x00, 0x02, 0x00, 0x0a, /* ........ */
0x00, 0x03, 0x00, 0x01, 0xec, 0x08, 0x6b, 0x93, /* ......k. */
0x70, 0xde, 0x00, 0x03, 0x00, 0x28, 0xc0, 0xde, /* p....(.. */
0xdb, 0xad, 0x00, 0x00, 0xa8, 0xc0, 0x00, 0x01, /* ........ */
0x0e, 0x00, 0x00, 0x05, 0x00, 0x18, 0x12, 0x34, /* .......4 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, /* ........ */
0x51, 0x80, 0x00, 0x01, 0x51, 0x80, 0x00, 0x17, /* Q...Q... */
0x00, 0x20, 0x12, 0x34, 0x00, 0x00, 0x00, 0x00, /* . .4.... */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x01, 0x12, 0x34, 0x00, 0x00, 0x00, 0x00, /* ...4.... */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x02 /* .. */
};
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcpv6_client_process_server_duid_test_application_define(void * first_unused_memory)
#endif
{
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
error_counter = 0;
/* Initialize the NetX system. */
nx_system_initialize();
/* Create a packet pool. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 1536, pointer, 1536*16);
pointer = pointer + 1536*16;
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_1500,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Enable IPv6 */
status = nxd_ipv6_enable(&ip_0);
if(status)
error_counter++;
/* Enable ICMP for IP Instance 0 and 1. */
status = nxd_icmp_enable(&ip_0);
if(status)
error_counter++;
status = nx_udp_enable(&ip_0);
if(status)
error_counter++;
/* Create the main thread. */
tx_thread_create(&dhcpv6_client_thread, "dhcpv6 client thread", dhcpv6_client_thread_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
}
void dhcpv6_client_thread_entry(ULONG thread_input)
{
UINT status;
/* Print out test information banner. */
printf("NetX Test: DHCPv6 Client Process Server Duid Test....................");
/* Check for earlier error. */
if(error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the new physical address. */
status = nx_ip_interface_physical_address_set(&ip_0, 0, 0x00000080, 0xa3c71cf6, NX_TRUE);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the linklocal address. */
status = nxd_ipv6_address_set(&ip_0, 0, NX_NULL, 10, NX_NULL);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Wait to finish the DAD. */
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
/* Create a DHCPv6 Client. */
status = nx_dhcpv6_client_create(&dhcp_client, &ip_0, "DHCPv6 Client", &pool_0, pointer, 2048, NX_NULL, NX_NULL);
pointer += 2048;
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Create a Link Layer Plus Time DUID for the DHCPv6 Client. Set time ID field
to NULL; the DHCPv6 Client API will supply one. */
status = nx_dhcpv6_create_client_duid(&dhcp_client, NX_DHCPV6_DUID_TYPE_LINK_TIME, NX_DHCPV6_HW_TYPE_IEEE_802, 0x5acd54c7);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Create the DHCPv6 client's Identity Association (IA-NA) now. */
status = nx_dhcpv6_create_client_iana(&dhcp_client, DHCPV6_IANA_ID, 0xFFFFFFFF, 0xFFFFFFFF);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the DNS Server option. */
status = nx_dhcpv6_request_option_DNS_server(&dhcp_client, NX_TRUE);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the SNTP Server option. */
status = nx_dhcpv6_request_option_time_server(&dhcp_client, NX_TRUE);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the Time Zone option. */
status = nx_dhcpv6_request_option_timezone(&dhcp_client, NX_TRUE);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the Domain Search List option. */
status = nx_dhcpv6_request_option_domain_name(&dhcp_client, NX_TRUE);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Set the call back function. */
packet_process_callback = my_packet_process;
/* Start the NetX DHCPv6 Client. */
status = nx_dhcpv6_start(&dhcp_client);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Request the IPv6 address. */
status = nx_dhcpv6_request_solicit(&dhcp_client);
/* Check the status. */
if(status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Wait for Advertise. */
tx_thread_sleep(2 * NX_IP_PERIODIC_RATE);
/* Check the error counter. */
if ((error_counter) || (solicit != NX_TRUE) || (request != NX_TRUE))
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
static UINT my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr)
{
ULONG received_message_type;
NX_PACKET *response_packet;
UINT status;
NX_IPV6_HEADER *ip_header;
/* Update the prepend to point DHCPv6 message, IPv6 header, UDP header. */
packet_ptr -> nx_packet_prepend_ptr += (40 + 8);
/* Extract the message type which should be the first byte. */
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr, 1, &received_message_type);
/* Check for an illegal message type. */
if ((received_message_type == NX_DHCPV6_MESSAGE_TYPE_SOLICIT) && (solicit == NX_FALSE))
{
solicit = NX_TRUE;
/* Send DHCPv6 Server Advertise response. */
/* Allocate a response packet. */
status = nx_packet_allocate(&pool_0, &response_packet, NX_RECEIVE_PACKET, TX_WAIT_FOREVER);
/* Check status. */
if (status)
{
error_counter++;
/* Relase the packet. */
nx_packet_release(packet_ptr);
return(NX_FALSE);
}
response_packet -> nx_packet_prepend_ptr += 2;
response_packet -> nx_packet_append_ptr += 2;
/* Write the DHCPv6 Server response messages into the packet payload! */
status = nx_packet_data_append(response_packet, pkt2, sizeof(pkt2), &pool_0, NX_NO_WAIT);
/* Check status. */
if (status)
{
error_counter++;
nx_packet_release(packet_ptr);
nx_packet_release(response_packet);
return(NX_FALSE);
}
/* Set the packet version. */
response_packet -> nx_packet_ip_version = NX_IP_VERSION_V6;
/* Set the IP header pointer. */
response_packet -> nx_packet_ip_header = response_packet -> nx_packet_prepend_ptr + 14;
ip_header = (NX_IPV6_HEADER *)(response_packet -> nx_packet_ip_header);
NX_IPV6_ADDRESS_CHANGE_ENDIAN(ip_header -> nx_ip_header_source_ip);
NX_IPV6_ADDRESS_CHANGE_ENDIAN(ip_header -> nx_ip_header_destination_ip);
/* Update the data pointer UDP + DHCPv6 message. */
response_packet -> nx_packet_prepend_ptr += 54;
response_packet -> nx_packet_length -= 54;
/* Set the packet interface. */
response_packet -> nx_packet_address.nx_packet_ipv6_address_ptr = &ip_0.nx_ipv6_address[0];
dhcp_client.nx_dhcpv6_message_hdr.nx_message_xid = 0xdc5d45;
/* Receive the DHCPv6 Server response. */
_nx_udp_packet_receive(ip_ptr, response_packet);
}
else if((received_message_type == NX_DHCPV6_MESSAGE_TYPE_REQUEST) && (request == NX_FALSE))
{
/* Skip the DHCPv6 header. Type and Transaction ID. */
packet_ptr -> nx_packet_prepend_ptr += 4;
/* Skip the Client Identifier. */
packet_ptr -> nx_packet_prepend_ptr += 18;
/* Skip the Elapsed time. */
packet_ptr -> nx_packet_prepend_ptr += 6;
/* Extract the server identifier. */
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr, 2, &server_identifier);
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr + 2, 2, &server_identifier_length);
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr + 4, 2, &server_duid_type);
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr + 6, 2, &server_hardware_type);
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr + 8, 2, &server_msw);
_nx_dhcpv6_utility_get_data(packet_ptr -> nx_packet_prepend_ptr + 10, 4, &server_lsw);
/* Check the server identifier. */
if ((server_identifier == 2) && (server_identifier_length == 10) &&
(server_duid_type == 3) && (server_hardware_type == 1) &&
(server_msw == 0x0000ec08) && (server_lsw == 0x6b9370de))
request = NX_TRUE;
}
/* Relase the packet. */
nx_packet_release(packet_ptr);
return(NX_FALSE);
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcpv6_client_process_server_duid_test_application_define(void * first_unused_memory)
#endif
{
printf("NetX Test: DHCPv6 Client Process Server Duid Test....................N/A\n");
test_control_return(3);
}
#endif
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