163 lines
5.2 KiB
C++
163 lines
5.2 KiB
C++
/*
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* Copyright (c) 2022, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* This file implements infrastructure network interface.
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*/
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#include "infra_if.hpp"
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#if OPENTHREAD_CONFIG_BORDER_ROUTING_ENABLE
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#include "border_router/routing_manager.hpp"
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#include "common/as_core_type.hpp"
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#include "common/instance.hpp"
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#include "common/locator_getters.hpp"
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#include "common/logging.hpp"
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#include "net/icmp6.hpp"
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namespace ot {
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namespace BorderRouter {
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RegisterLogModule("InfraIf");
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InfraIf::InfraIf(Instance &aInstance)
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: InstanceLocator(aInstance)
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, mInitialized(false)
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, mIsRunning(false)
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, mIfIndex(0)
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{
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}
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Error InfraIf::Init(uint32_t aIfIndex)
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{
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Error error = kErrorNone;
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VerifyOrExit(!mInitialized, error = kErrorInvalidState);
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VerifyOrExit(aIfIndex > 0, error = kErrorInvalidArgs);
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mIfIndex = aIfIndex;
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mInitialized = true;
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LogInfo("Init %s", ToString().AsCString());
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exit:
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return error;
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}
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void InfraIf::Deinit(void)
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{
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mInitialized = false;
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mIsRunning = false;
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mIfIndex = 0;
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LogInfo("Deinit");
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}
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bool InfraIf::HasAddress(const Ip6::Address &aAddress)
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{
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OT_ASSERT(mInitialized);
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return otPlatInfraIfHasAddress(mIfIndex, &aAddress);
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}
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Error InfraIf::Send(const Icmp6Packet &aPacket, const Ip6::Address &aDestination)
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{
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OT_ASSERT(mInitialized);
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return otPlatInfraIfSendIcmp6Nd(mIfIndex, &aDestination, aPacket.GetBytes(), aPacket.GetLength());
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}
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void InfraIf::HandledReceived(uint32_t aIfIndex, const Ip6::Address &aSource, const Icmp6Packet &aPacket)
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{
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Error error = kErrorNone;
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VerifyOrExit(mInitialized && mIsRunning, error = kErrorInvalidState);
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VerifyOrExit(aIfIndex == mIfIndex, error = kErrorDrop);
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VerifyOrExit(aPacket.GetBytes() != nullptr, error = kErrorInvalidArgs);
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VerifyOrExit(aPacket.GetLength() >= sizeof(Ip6::Icmp::Header), error = kErrorParse);
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Get<RoutingManager>().HandleReceived(aPacket, aSource);
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exit:
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if (error != kErrorNone)
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{
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LogDebg("Dropped ICMPv6 message: %s", ErrorToString(error));
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}
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}
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Error InfraIf::HandleStateChanged(uint32_t aIfIndex, bool aIsRunning)
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{
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Error error = kErrorNone;
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VerifyOrExit(mInitialized, error = kErrorInvalidState);
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VerifyOrExit(aIfIndex == mIfIndex, error = kErrorInvalidArgs);
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VerifyOrExit(aIsRunning != mIsRunning);
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LogInfo("State changed: %sRUNNING -> %sRUNNING", mIsRunning ? "" : "NOT ", aIsRunning ? "" : "NOT ");
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mIsRunning = aIsRunning;
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Get<RoutingManager>().HandleInfraIfStateChanged();
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exit:
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return error;
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}
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InfraIf::InfoString InfraIf::ToString(void) const
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{
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InfoString string;
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string.Append("infra netif %u", mIfIndex);
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return string;
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}
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//---------------------------------------------------------------------------------------------------------------------
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extern "C" void otPlatInfraIfRecvIcmp6Nd(otInstance * aInstance,
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uint32_t aInfraIfIndex,
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const otIp6Address *aSrcAddress,
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const uint8_t * aBuffer,
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uint16_t aBufferLength)
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{
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InfraIf::Icmp6Packet packet;
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packet.Init(aBuffer, aBufferLength);
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AsCoreType(aInstance).Get<InfraIf>().HandledReceived(aInfraIfIndex, AsCoreType(aSrcAddress), packet);
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}
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extern "C" otError otPlatInfraIfStateChanged(otInstance *aInstance, uint32_t aInfraIfIndex, bool aIsRunning)
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{
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return AsCoreType(aInstance).Get<InfraIf>().HandleStateChanged(aInfraIfIndex, aIsRunning);
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}
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} // namespace BorderRouter
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} // namespace ot
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#endif // OPENTHREAD_CONFIG_BORDER_ROUTING_ENABLE
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