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/*
* Copyright (C) 2019 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.
*/
#pragma once
#include <linux/can.h>
#include <net/if.h>
#include <string>
namespace android::netdevice {
/**
* Returns the index of a given network interface.
*
* If the syscall to check the index fails with other error than ENODEV, it gets logged and the
* return value indicates the interface doesn't exists.
*
* \param ifname Interface to check
* \return Interface index, or 0 if the interface doesn't exist
*/
unsigned int nametoindex(const std::string& ifname);
} // namespace android::netdevice
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