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56 lines
1.6 KiB
56 lines
1.6 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <libnetdevice/vlan.h>
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#include "common.h"
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#include <android-base/logging.h>
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#include <libnl++/MessageFactory.h>
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#include <libnl++/Socket.h>
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#include <linux/rtnetlink.h>
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namespace android::netdevice::vlan {
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bool add(const std::string& eth, const std::string& vlan, uint16_t id) {
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const auto ethidx = nametoindex(eth);
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if (ethidx == 0) {
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LOG(ERROR) << "Ethernet interface " << eth << " doesn't exist";
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return false;
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}
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nl::MessageFactory<ifinfomsg> req(RTM_NEWLINK,
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NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL | NLM_F_ACK);
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req.add(IFLA_IFNAME, vlan);
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req.add<uint32_t>(IFLA_LINK, ethidx);
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{
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auto linkinfo = req.addNested(IFLA_LINKINFO);
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req.add(IFLA_INFO_KIND, "vlan");
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{
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auto linkinfo = req.addNested(IFLA_INFO_DATA);
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req.add(IFLA_VLAN_ID, id);
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}
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}
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nl::Socket sock(NETLINK_ROUTE);
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return sock.send(req) && sock.receiveAck(req);
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}
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} // namespace android::netdevice::vlan
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