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