| Tomasz Wasilczyk | 8732967 | 2019-07-12 11:43:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| 19 | #include <string> |
| 20 | |
| 21 | namespace android { |
| 22 | namespace netdevice { |
| 23 | |
| 24 | /** |
| 25 | * Returns the index of a given network interface. |
| 26 | * |
| 27 | * If the syscall to check the index fails with other error than ENODEV, it gets logged and the |
| 28 | * return value indicates the interface doesn't exists. |
| 29 | * |
| 30 | * \param ifname Interface to check |
| 31 | * \return Interface index, or 0 if the interface doesn't exist |
| 32 | */ |
| 33 | unsigned int nametoindex(const std::string& ifname); |
| 34 | |
| 35 | } // namespace netdevice |
| 36 | } // namespace android |