src/platform/Ameba/DiagnosticDataProviderImpl.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *
  *    Copyright (c) 2021 Project CHIP Authors
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
  *    You may obtain a copy of the License at
  *
  *        http://www.apache.org/licenses/LICENSE-2.0
  *
  *    Unless required by applicable law or agreed to in writing, software
  *    distributed under the License is distributed on an "AS IS" BASIS,
  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */

 /**
  *    @file
  *          Provides an implementation of the DiagnosticDataProvider object
  *          for Ameba platform.
  */

 #include <platform/internal/CHIPDeviceLayerInternal.h>

 #include <crypto/CHIPCryptoPAL.h>
 #include <lib/support/CHIPMemString.h>
 #include <platform/Ameba/DiagnosticDataProviderImpl.h>

 #include <lwip_netconf.h>

 namespace chip {
 namespace DeviceLayer {

 DiagnosticDataProviderImpl & DiagnosticDataProviderImpl::GetDefaultInstance()
 {
     static DiagnosticDataProviderImpl sInstance;
     return sInstance;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapFree(uint64_t & currentHeapFree)
 {
     currentHeapFree = xPortGetFreeHeapSize();
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapUsed(uint64_t & currentHeapUsed)
 {
     currentHeapUsed = xPortGetTotalHeapSize() - xPortGetFreeHeapSize();
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark)
 {
     currentHeapHighWatermark = xPortGetTotalHeapSize() - xPortGetMinimumEverFreeHeapSize();
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::ResetWatermarks()
 {
     // If implemented, the server SHALL set the value of the CurrentHeapHighWatermark attribute to the
     // value of the CurrentHeapUsed.

     xPortResetHeapMinimumEverFreeHeapSize();

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetThreadMetrics(ThreadMetrics ** threadMetricsOut)
 {
     /* Obtain all available task information */
     TaskStatus_t * taskStatusArray;
     ThreadMetrics * head = nullptr;
     unsigned long arraySize, x, dummy;

     arraySize = uxTaskGetNumberOfTasks();

     taskStatusArray = (TaskStatus_t *) pvPortMalloc(arraySize * sizeof(TaskStatus_t));

     if (taskStatusArray != NULL)
     {
         /* Generate raw status information about each task. */
         arraySize = uxTaskGetSystemState(taskStatusArray, arraySize, &dummy);
         /* For each populated position in the taskStatusArray array,
            format the raw data as human readable ASCII data. */

         for (x = 0; x < arraySize; x++)
         {
             ThreadMetrics * thread = (ThreadMetrics *) pvPortMalloc(sizeof(ThreadMetrics));

             Platform::CopyString(thread->NameBuf, taskStatusArray[x].pcTaskName);
             thread->name.Emplace(CharSpan::fromCharString(thread->NameBuf));
             thread->id = taskStatusArray[x].xTaskNumber;

             thread->stackFreeMinimum.Emplace(taskStatusArray[x].usStackHighWaterMark);
             thread->stackSize.Emplace(uxTaskGetStackSize(taskStatusArray[x].xHandle));
             thread->stackFreeCurrent.Emplace(uxTaskGetFreeStackSize(taskStatusArray[x].xHandle));

             thread->Next = head;
             head         = thread;
         }

         *threadMetricsOut = head;
         /* The array is no longer needed, free the memory it consumes. */
         vPortFree(taskStatusArray);
     }

     return CHIP_NO_ERROR;
 }

 void DiagnosticDataProviderImpl::ReleaseThreadMetrics(ThreadMetrics * threadMetrics)
 {
     while (threadMetrics)
     {
         ThreadMetrics * del = threadMetrics;
         threadMetrics       = threadMetrics->Next;
         vPortFree(del);
     }
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetRebootCount(uint16_t & rebootCount)
 {
     uint32_t count = 0;

     CHIP_ERROR err = ConfigurationMgr().GetRebootCount(count);

     if (err == CHIP_NO_ERROR)
     {
         VerifyOrReturnError(count <= UINT16_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
         rebootCount = static_cast<uint16_t>(count);
     }

     return err;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetUpTime(uint64_t & upTime)
 {
     System::Clock::Timestamp currentTime = System::SystemClock().GetMonotonicTimestamp();
     System::Clock::Timestamp startTime   = PlatformMgrImpl().GetStartTime();

     if (currentTime >= startTime)
     {
         upTime = std::chrono::duration_cast<System::Clock::Seconds64>(currentTime - startTime).count();
         return CHIP_NO_ERROR;
     }

     return CHIP_ERROR_INVALID_TIME;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetTotalOperationalHours(uint32_t & totalOperationalHours)
 {
     uint64_t upTime = 0;

     if (GetUpTime(upTime) == CHIP_NO_ERROR)
     {
         uint32_t totalHours = 0;
         if (ConfigurationMgr().GetTotalOperationalHours(totalHours) == CHIP_NO_ERROR)
         {
             VerifyOrReturnError(upTime / 3600 <= UINT32_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
             totalOperationalHours = totalHours + static_cast<uint32_t>(upTime / 3600);
             return CHIP_NO_ERROR;
         }
     }

     return CHIP_ERROR_INVALID_TIME;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetBootReason(BootReasonType & bootReason)
 {
     uint32_t reason = 0;

     CHIP_ERROR err = ConfigurationMgr().GetBootReason(reason);

     if (err == CHIP_NO_ERROR)
     {
         VerifyOrReturnError(reason <= UINT8_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
         bootReason = static_cast<BootReasonType>(reason);
     }

     return err;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetNetworkInterfaces(NetworkInterface ** netifpp)
 {
     CHIP_ERROR err          = CHIP_ERROR_READ_FAILED;
     NetworkInterface * head = NULL;
     struct ifaddrs * ifaddr = nullptr;

     // xnetif is never null, no need to check. If we do check with -Werror=address, we get compiler error.
     for (struct netif * ifa = xnetif; ifa != NULL; ifa = ifa->next)
     {
         NetworkInterface * ifp = new NetworkInterface();

         Platform::CopyString(ifp->Name, ifa->name);

         ifp->name          = CharSpan::fromCharString(ifp->Name);
         ifp->isOperational = true;
         if ((ifa->flags) & NETIF_FLAG_ETHERNET)
             ifp->type = EMBER_ZCL_INTERFACE_TYPE_ENUM_ETHERNET;
         else
             ifp->type = EMBER_ZCL_INTERFACE_TYPE_ENUM_WI_FI;
         ifp->offPremiseServicesReachableIPv4.SetNull();
         ifp->offPremiseServicesReachableIPv6.SetNull();

         memcpy(ifp->MacAddress, ifa->hwaddr, sizeof(ifa->hwaddr));

         if (0)
         {
             ChipLogError(DeviceLayer, "Failed to get network hardware address");
         }
         else
         {
             // Set 48-bit IEEE MAC Address
             ifp->hardwareAddress = ByteSpan(ifp->MacAddress, 6);
         }

         if (ifa->ip_addr.u_addr.ip4.addr != 0)
         {
             memcpy(ifp->Ipv4AddressesBuffer[0], &(ifa->ip_addr.u_addr.ip4.addr), kMaxIPv4AddrSize);
             ifp->Ipv4AddressSpans[0] = ByteSpan(ifp->Ipv4AddressesBuffer[0], kMaxIPv4AddrSize);
             ifp->IPv4Addresses       = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv4AddressSpans, 1);
         }

         // ifa->ip6_addr->u_addr.ip6.addr is never null, no need to check. If we do check with -Werror=address, we get compiler
         // error.
         memcpy(ifp->Ipv6AddressesBuffer[0], &(ifa->ip6_addr->u_addr.ip6.addr), kMaxIPv6AddrSize);
         ifp->Ipv6AddressSpans[0] = ByteSpan(ifp->Ipv6AddressesBuffer[0], kMaxIPv6AddrSize);
         ifp->IPv6Addresses       = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv6AddressSpans, 1);

         ifp->Next = head;
         head      = ifp;
     }

     *netifpp = head;
     return CHIP_NO_ERROR;
 }

 void DiagnosticDataProviderImpl::ReleaseNetworkInterfaces(NetworkInterface * netifp)
 {
     while (netifp)
     {
         NetworkInterface * del = netifp;
         netifp                 = netifp->Next;
         delete del;
     }
 }

 #if CHIP_DEVICE_CONFIG_ENABLE_WIFI
 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBssId(MutableByteSpan & BssId)
 {
     constexpr size_t bssIdSize = 6;
     VerifyOrReturnError(BssId.size() >= bssIdSize, CHIP_ERROR_BUFFER_TOO_SMALL);

     if (wifi_get_ap_bssid(BssId.data()) != 0)
     {
         return CHIP_ERROR_READ_FAILED;
     }

     BssId.reduce_size(bssIdSize);
     ChipLogProgress(DeviceLayer, "%02x,%02x,%02x,%02x,%02x,%02x\n", BssId.data()[0], BssId.data()[1], BssId.data()[2],
                     BssId.data()[3], BssId.data()[4], BssId.data()[5]);

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiVersion(app::Clusters::WiFiNetworkDiagnostics::WiFiVersionEnum & wifiVersion)
 {
     // Support 802.11a/n Wi-Fi in AmebaD chipset
     // TODO: https://github.com/project-chip/connectedhomeip/issues/25542
     wifiVersion = app::Clusters::WiFiNetworkDiagnostics::WiFiVersionEnum::kN;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiSecurityType(app::Clusters::WiFiNetworkDiagnostics::SecurityTypeEnum & securityType)
 {
     using app::Clusters::WiFiNetworkDiagnostics::SecurityTypeEnum;

     unsigned int _auth_type;
     unsigned short _security = 0;
     rtw_wifi_setting_t setting;

 #ifdef CONFIG_PLATFORM_8721D
     if (wext_get_enc_ext("wlan0", &_security, &setting.key_idx, setting.password) < 0)
     {
         securityType = SecurityTypeEnum::kUnspecified;
     }
     else
     {
         switch (_security)
         {
         case IW_ENCODE_ALG_NONE:
             securityType = SecurityTypeEnum::kNone;
             break;
         case IW_ENCODE_ALG_WEP:
             securityType = SecurityTypeEnum::kWep;
             break;
         case IW_ENCODE_ALG_TKIP:
             securityType = SecurityTypeEnum::kWpa;
             break;
         case IW_ENCODE_ALG_CCMP:
             securityType = SecurityTypeEnum::kWpa2;
             break;
         default:
             securityType = SecurityTypeEnum::kUnspecified;
             break;
         }
     }
 #else
     wext_get_enc_ext("wlan0", &_security, &setting.key_idx, setting.password);
     if (wext_get_auth_type("wlan0", &_auth_type) < 0)
     {
         securityType = SecurityTypeEnum::kUnspecified;
     }
     else
     {
         switch (_security)
         {
         case IW_ENCODE_ALG_NONE:
             securityType = SecurityTypeEnum::kNone;
             break;
         case IW_ENCODE_ALG_WEP:
             securityType = SecurityTypeEnum::kWep;
             break;
         case IW_ENCODE_ALG_TKIP:
             if (_auth_type == WPA_SECURITY)
                 securityType = SecurityTypeEnum::kWpa;
             else if (_auth_type == WPA2_SECURITY)
                 securityType = SecurityTypeEnum::kWpa2;
             break;
         case IW_ENCODE_ALG_CCMP:
             if (_auth_type == WPA_SECURITY)
                 securityType = SecurityTypeEnum::kWpa;
             else if (_auth_type == WPA2_SECURITY)
                 securityType = SecurityTypeEnum::kWpa2;
             else if (_auth_type == WPA3_SECURITY)
                 securityType = SecurityTypeEnum::kWpa3;
             break;
         default:
             securityType = SecurityTypeEnum::kUnspecified;
             break;
         }
     }
 #endif

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiChannelNumber(uint16_t & channelNumber)
 {
     unsigned char channel;

     if (wext_get_channel("wlan0", &channel) < 0)
         channelNumber = 0;
     else
         channelNumber = (uint16_t) channel;

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiRssi(int8_t & rssi)
 {
     int _rssi = 0;
     if (wifi_get_rssi(&_rssi) < 0)
         rssi = 0;
     else
         rssi = _rssi;

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBeaconLostCount(uint32_t & beaconLostCount)
 {
     beaconLostCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiCurrentMaxRate(uint64_t & currentMaxRate)
 {
     currentMaxRate = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastRxCount(uint32_t & packetMulticastRxCount)
 {
     packetMulticastRxCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastTxCount(uint32_t & packetMulticastTxCount)
 {
     packetMulticastTxCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastRxCount(uint32_t & packetUnicastRxCount)
 {
     packetUnicastRxCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastTxCount(uint32_t & packetUnicastTxCount)
 {
     packetUnicastTxCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiOverrunCount(uint64_t & overrunCount)
 {
     overrunCount = 0;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR DiagnosticDataProviderImpl::ResetWiFiNetworkDiagnosticsCounts()
 {
     return CHIP_NO_ERROR;
 }
 #endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI

 DiagnosticDataProvider & GetDiagnosticDataProviderImpl()
 {
     return DiagnosticDataProviderImpl::GetDefaultInstance();
 }

 } // namespace DeviceLayer
 } // namespace chip
	/*
	*
	* Copyright (c) 2021 Project CHIP Authors
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/**
	* @file
	* Provides an implementation of the DiagnosticDataProvider object
	* for Ameba platform.
	*/

	#include <platform/internal/CHIPDeviceLayerInternal.h>

	#include <crypto/CHIPCryptoPAL.h>
	#include <lib/support/CHIPMemString.h>
	#include <platform/Ameba/DiagnosticDataProviderImpl.h>

	#include <lwip_netconf.h>

	namespace chip {
	namespace DeviceLayer {

	DiagnosticDataProviderImpl & DiagnosticDataProviderImpl::GetDefaultInstance()
	{
	static DiagnosticDataProviderImpl sInstance;
	return sInstance;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapFree(uint64_t & currentHeapFree)
	{
	currentHeapFree = xPortGetFreeHeapSize();
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapUsed(uint64_t & currentHeapUsed)
	{
	currentHeapUsed = xPortGetTotalHeapSize() - xPortGetFreeHeapSize();
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark)
	{
	currentHeapHighWatermark = xPortGetTotalHeapSize() - xPortGetMinimumEverFreeHeapSize();
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::ResetWatermarks()
	{
	// If implemented, the server SHALL set the value of the CurrentHeapHighWatermark attribute to the
	// value of the CurrentHeapUsed.

	xPortResetHeapMinimumEverFreeHeapSize();

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetThreadMetrics(ThreadMetrics ** threadMetricsOut)
	{
	/* Obtain all available task information */
	TaskStatus_t * taskStatusArray;
	ThreadMetrics * head = nullptr;
	unsigned long arraySize, x, dummy;

	arraySize = uxTaskGetNumberOfTasks();

	taskStatusArray = (TaskStatus_t ) pvPortMalloc(arraySize sizeof(TaskStatus_t));

	if (taskStatusArray != NULL)
	{
	/* Generate raw status information about each task. */
	arraySize = uxTaskGetSystemState(taskStatusArray, arraySize, &dummy);
	/* For each populated position in the taskStatusArray array,
	format the raw data as human readable ASCII data. */

	for (x = 0; x < arraySize; x++)
	{
	ThreadMetrics * thread = (ThreadMetrics *) pvPortMalloc(sizeof(ThreadMetrics));

	Platform::CopyString(thread->NameBuf, taskStatusArray[x].pcTaskName);
	thread->name.Emplace(CharSpan::fromCharString(thread->NameBuf));
	thread->id = taskStatusArray[x].xTaskNumber;

	thread->stackFreeMinimum.Emplace(taskStatusArray[x].usStackHighWaterMark);
	thread->stackSize.Emplace(uxTaskGetStackSize(taskStatusArray[x].xHandle));
	thread->stackFreeCurrent.Emplace(uxTaskGetFreeStackSize(taskStatusArray[x].xHandle));

	thread->Next = head;
	head = thread;
	}

	*threadMetricsOut = head;
	/* The array is no longer needed, free the memory it consumes. */
	vPortFree(taskStatusArray);
	}

	return CHIP_NO_ERROR;
	}

	void DiagnosticDataProviderImpl::ReleaseThreadMetrics(ThreadMetrics * threadMetrics)
	{
	while (threadMetrics)
	{
	ThreadMetrics * del = threadMetrics;
	threadMetrics = threadMetrics->Next;
	vPortFree(del);
	}
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetRebootCount(uint16_t & rebootCount)
	{
	uint32_t count = 0;

	CHIP_ERROR err = ConfigurationMgr().GetRebootCount(count);

	if (err == CHIP_NO_ERROR)
	{
	VerifyOrReturnError(count <= UINT16_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
	rebootCount = static_cast<uint16_t>(count);
	}

	return err;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetUpTime(uint64_t & upTime)
	{
	System::Clock::Timestamp currentTime = System::SystemClock().GetMonotonicTimestamp();
	System::Clock::Timestamp startTime = PlatformMgrImpl().GetStartTime();

	if (currentTime >= startTime)
	{
	upTime = std::chrono::duration_cast<System::Clock::Seconds64>(currentTime - startTime).count();
	return CHIP_NO_ERROR;
	}

	return CHIP_ERROR_INVALID_TIME;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetTotalOperationalHours(uint32_t & totalOperationalHours)
	{
	uint64_t upTime = 0;

	if (GetUpTime(upTime) == CHIP_NO_ERROR)
	{
	uint32_t totalHours = 0;
	if (ConfigurationMgr().GetTotalOperationalHours(totalHours) == CHIP_NO_ERROR)
	{
	VerifyOrReturnError(upTime / 3600 <= UINT32_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
	totalOperationalHours = totalHours + static_cast<uint32_t>(upTime / 3600);
	return CHIP_NO_ERROR;
	}
	}

	return CHIP_ERROR_INVALID_TIME;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetBootReason(BootReasonType & bootReason)
	{
	uint32_t reason = 0;

	CHIP_ERROR err = ConfigurationMgr().GetBootReason(reason);

	if (err == CHIP_NO_ERROR)
	{
	VerifyOrReturnError(reason <= UINT8_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
	bootReason = static_cast<BootReasonType>(reason);
	}

	return err;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetNetworkInterfaces(NetworkInterface ** netifpp)
	{
	CHIP_ERROR err = CHIP_ERROR_READ_FAILED;
	NetworkInterface * head = NULL;
	struct ifaddrs * ifaddr = nullptr;

	// xnetif is never null, no need to check. If we do check with -Werror=address, we get compiler error.
	for (struct netif * ifa = xnetif; ifa != NULL; ifa = ifa->next)
	{
	NetworkInterface * ifp = new NetworkInterface();

	Platform::CopyString(ifp->Name, ifa->name);

	ifp->name = CharSpan::fromCharString(ifp->Name);
	ifp->isOperational = true;
	if ((ifa->flags) & NETIF_FLAG_ETHERNET)
	ifp->type = EMBER_ZCL_INTERFACE_TYPE_ENUM_ETHERNET;
	else
	ifp->type = EMBER_ZCL_INTERFACE_TYPE_ENUM_WI_FI;
	ifp->offPremiseServicesReachableIPv4.SetNull();
	ifp->offPremiseServicesReachableIPv6.SetNull();

	memcpy(ifp->MacAddress, ifa->hwaddr, sizeof(ifa->hwaddr));

	if (0)
	{
	ChipLogError(DeviceLayer, "Failed to get network hardware address");
	}
	else
	{
	// Set 48-bit IEEE MAC Address
	ifp->hardwareAddress = ByteSpan(ifp->MacAddress, 6);
	}

	if (ifa->ip_addr.u_addr.ip4.addr != 0)
	{
	memcpy(ifp->Ipv4AddressesBuffer[0], &(ifa->ip_addr.u_addr.ip4.addr), kMaxIPv4AddrSize);
	ifp->Ipv4AddressSpans[0] = ByteSpan(ifp->Ipv4AddressesBuffer[0], kMaxIPv4AddrSize);
	ifp->IPv4Addresses = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv4AddressSpans, 1);
	}

	// ifa->ip6_addr->u_addr.ip6.addr is never null, no need to check. If we do check with -Werror=address, we get compiler
	// error.
	memcpy(ifp->Ipv6AddressesBuffer[0], &(ifa->ip6_addr->u_addr.ip6.addr), kMaxIPv6AddrSize);
	ifp->Ipv6AddressSpans[0] = ByteSpan(ifp->Ipv6AddressesBuffer[0], kMaxIPv6AddrSize);
	ifp->IPv6Addresses = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv6AddressSpans, 1);

	ifp->Next = head;
	head = ifp;
	}

	*netifpp = head;
	return CHIP_NO_ERROR;
	}

	void DiagnosticDataProviderImpl::ReleaseNetworkInterfaces(NetworkInterface * netifp)
	{
	while (netifp)
	{
	NetworkInterface * del = netifp;
	netifp = netifp->Next;
	delete del;
	}
	}

	#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBssId(MutableByteSpan & BssId)
	{
	constexpr size_t bssIdSize = 6;
	VerifyOrReturnError(BssId.size() >= bssIdSize, CHIP_ERROR_BUFFER_TOO_SMALL);

	if (wifi_get_ap_bssid(BssId.data()) != 0)
	{
	return CHIP_ERROR_READ_FAILED;
	}

	BssId.reduce_size(bssIdSize);
	ChipLogProgress(DeviceLayer, "%02x,%02x,%02x,%02x,%02x,%02x\n", BssId.data()[0], BssId.data()[1], BssId.data()[2],
	BssId.data()[3], BssId.data()[4], BssId.data()[5]);

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiVersion(app::Clusters::WiFiNetworkDiagnostics::WiFiVersionEnum & wifiVersion)
	{
	// Support 802.11a/n Wi-Fi in AmebaD chipset
	// TODO: https://github.com/project-chip/connectedhomeip/issues/25542
	wifiVersion = app::Clusters::WiFiNetworkDiagnostics::WiFiVersionEnum::kN;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiSecurityType(app::Clusters::WiFiNetworkDiagnostics::SecurityTypeEnum & securityType)
	{
	using app::Clusters::WiFiNetworkDiagnostics::SecurityTypeEnum;

	unsigned int _auth_type;
	unsigned short _security = 0;
	rtw_wifi_setting_t setting;

	#ifdef CONFIG_PLATFORM_8721D
	if (wext_get_enc_ext("wlan0", &_security, &setting.key_idx, setting.password) < 0)
	{
	securityType = SecurityTypeEnum::kUnspecified;
	}
	else
	{
	switch (_security)
	{
	case IW_ENCODE_ALG_NONE:
	securityType = SecurityTypeEnum::kNone;
	break;
	case IW_ENCODE_ALG_WEP:
	securityType = SecurityTypeEnum::kWep;
	break;
	case IW_ENCODE_ALG_TKIP:
	securityType = SecurityTypeEnum::kWpa;
	break;
	case IW_ENCODE_ALG_CCMP:
	securityType = SecurityTypeEnum::kWpa2;
	break;
	default:
	securityType = SecurityTypeEnum::kUnspecified;
	break;
	}
	}
	#else
	wext_get_enc_ext("wlan0", &_security, &setting.key_idx, setting.password);
	if (wext_get_auth_type("wlan0", &_auth_type) < 0)
	{
	securityType = SecurityTypeEnum::kUnspecified;
	}
	else
	{
	switch (_security)
	{
	case IW_ENCODE_ALG_NONE:
	securityType = SecurityTypeEnum::kNone;
	break;
	case IW_ENCODE_ALG_WEP:
	securityType = SecurityTypeEnum::kWep;
	break;
	case IW_ENCODE_ALG_TKIP:
	if (_auth_type == WPA_SECURITY)
	securityType = SecurityTypeEnum::kWpa;
	else if (_auth_type == WPA2_SECURITY)
	securityType = SecurityTypeEnum::kWpa2;
	break;
	case IW_ENCODE_ALG_CCMP:
	if (_auth_type == WPA_SECURITY)
	securityType = SecurityTypeEnum::kWpa;
	else if (_auth_type == WPA2_SECURITY)
	securityType = SecurityTypeEnum::kWpa2;
	else if (_auth_type == WPA3_SECURITY)
	securityType = SecurityTypeEnum::kWpa3;
	break;
	default:
	securityType = SecurityTypeEnum::kUnspecified;
	break;
	}
	}
	#endif

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiChannelNumber(uint16_t & channelNumber)
	{
	unsigned char channel;

	if (wext_get_channel("wlan0", &channel) < 0)
	channelNumber = 0;
	else
	channelNumber = (uint16_t) channel;

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiRssi(int8_t & rssi)
	{
	int _rssi = 0;
	if (wifi_get_rssi(&_rssi) < 0)
	rssi = 0;
	else
	rssi = _rssi;

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBeaconLostCount(uint32_t & beaconLostCount)
	{
	beaconLostCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiCurrentMaxRate(uint64_t & currentMaxRate)
	{
	currentMaxRate = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastRxCount(uint32_t & packetMulticastRxCount)
	{
	packetMulticastRxCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastTxCount(uint32_t & packetMulticastTxCount)
	{
	packetMulticastTxCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastRxCount(uint32_t & packetUnicastRxCount)
	{
	packetUnicastRxCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastTxCount(uint32_t & packetUnicastTxCount)
	{
	packetUnicastTxCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiOverrunCount(uint64_t & overrunCount)
	{
	overrunCount = 0;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR DiagnosticDataProviderImpl::ResetWiFiNetworkDiagnosticsCounts()
	{
	return CHIP_NO_ERROR;
	}
	#endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI

	DiagnosticDataProvider & GetDiagnosticDataProviderImpl()
	{
	return DiagnosticDataProviderImpl::GetDefaultInstance();
	}

	} // namespace DeviceLayer
	} // namespace chip