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