| /* |
| * Copyright 2014 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. |
| * |
| * tun.h - tun device functions |
| */ |
| #ifndef __TUN_H__ |
| #define __TUN_H__ |
| |
| #include <linux/if.h> |
| |
| #include "clatd.h" |
| #include "ring.h" |
| |
| struct tun_data { |
| char device4[IFNAMSIZ]; |
| int read_fd6, write_fd6, fd4; |
| struct packet_ring ring; |
| }; |
| |
| int tun_open(); |
| int tun_alloc(char *dev, int fd); |
| int send_tun(int fd, clat_packet out, int iov_len); |
| int set_nonblocking(int fd); |
| |
| #endif |