projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Universal TUN/TAP device driver. | |
| 3 | * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License as published by | |
| 7 | * the Free Software Foundation; either version 2 of the License, or | |
| 8 | * (at your option) any later version. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 1da177e4 LT |
14 | */ |
| 15 | ||
| 16 | #ifndef __IF_TUN_H | |
| 17 | #define __IF_TUN_H | |
| 18 | ||
| a3edb083 AV |
19 | #include <linux/types.h> |
| 20 | ||
| 1da177e4 LT |
21 | /* Read queue size */ |
| 22 | #define TUN_READQ_SIZE 500 | |
| 23 | ||
| 24 | /* TUN device flags */ | |
| 25 | #define TUN_TUN_DEV 0x0001 | |
| 26 | #define TUN_TAP_DEV 0x0002 | |
| 27 | #define TUN_TYPE_MASK 0x000f | |
| 28 | ||
| 29 | #define TUN_FASYNC 0x0010 | |
| 30 | #define TUN_NOCHECKSUM 0x0020 | |
| 31 | #define TUN_NO_PI 0x0040 | |
| 32 | #define TUN_ONE_QUEUE 0x0080 | |
| 33 | #define TUN_PERSIST 0x0100 | |
| 34 | ||
| 35 | /* Ioctl defines */ | |
| 36 | #define TUNSETNOCSUM _IOW('T', 200, int) | |
| 37 | #define TUNSETDEBUG _IOW('T', 201, int) | |
| 38 | #define TUNSETIFF _IOW('T', 202, int) | |
| 39 | #define TUNSETPERSIST _IOW('T', 203, int) | |
| 40 | #define TUNSETOWNER _IOW('T', 204, int) | |
| ff4cc3ac | 41 | #define TUNSETLINK _IOW('T', 205, int) |
| 8c644623 | 42 | #define TUNSETGROUP _IOW('T', 206, int) |
| 1da177e4 LT |
43 | |
| 44 | /* TUNSETIFF ifr flags */ | |
| 45 | #define IFF_TUN 0x0001 | |
| 46 | #define IFF_TAP 0x0002 | |
| 47 | #define IFF_NO_PI 0x1000 | |
| 48 | #define IFF_ONE_QUEUE 0x2000 | |
| 49 | ||
| 50 | struct tun_pi { | |
| 51 | unsigned short flags; | |
| a3edb083 | 52 | __be16 proto; |
| 1da177e4 LT |
53 | }; |
| 54 | #define TUN_PKT_STRIP 0x0001 | |
| 55 | ||
| 56 | #endif /* __IF_TUN_H */ |