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/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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.
*/
#include <libnetdevice/vlan.h>
#include "common.h"
#include <android-base/logging.h>
#include <libnl++/MessageFactory.h>
#include <libnl++/Socket.h>
#include <linux/rtnetlink.h>
namespace android::netdevice::vlan {
bool add(const std::string& eth, const std::string& vlan, uint16_t id) {
const auto ethidx = nametoindex(eth);
if (ethidx == 0) {
LOG(ERROR) << "Ethernet interface " << eth << " doesn't exist";
return false;
}
nl::MessageFactory<ifinfomsg> req(RTM_NEWLINK,
NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL | NLM_F_ACK);
req.add(IFLA_IFNAME, vlan);
req.add<uint32_t>(IFLA_LINK, ethidx);
{
auto linkinfo = req.addNested(IFLA_LINKINFO);
req.add(IFLA_INFO_KIND, "vlan");
{
auto linkinfo = req.addNested(IFLA_INFO_DATA);
req.add(IFLA_VLAN_ID, id);
}
}
nl::Socket sock(NETLINK_ROUTE);
return sock.send(req) && sock.receiveAck(req);
}
} // namespace android::netdevice::vlan
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