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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. | |
14 | */ | |
15 | ||
16 | #ifndef QEMU_TAP_LINUX_H | |
17 | #define QEMU_TAP_LINUX_H | |
18 | ||
19 | #ifdef __linux__ | |
20 | ||
21 | #include <linux/ioctl.h> | |
22 | ||
23 | /* Ioctl defines */ | |
24 | #define TUNSETIFF _IOW('T', 202, int) | |
25 | #define TUNGETFEATURES _IOR('T', 207, unsigned int) | |
26 | #define TUNSETOFFLOAD _IOW('T', 208, unsigned int) | |
27 | #define TUNGETIFF _IOR('T', 210, unsigned int) | |
28 | #define TUNSETSNDBUF _IOW('T', 212, int) | |
29 | #define TUNGETVNETHDRSZ _IOR('T', 215, int) | |
30 | #define TUNSETVNETHDRSZ _IOW('T', 216, int) | |
31 | #define TUNSETQUEUE _IOW('T', 217, int) | |
32 | #define TUNSETVNETLE _IOW('T', 220, int) | |
33 | #define TUNSETVNETBE _IOW('T', 222, int) | |
34 | ||
35 | #endif | |
36 | ||
37 | /* TUNSETIFF ifr flags */ | |
38 | #define IFF_TAP 0x0002 | |
39 | #define IFF_NO_PI 0x1000 | |
40 | #define IFF_ONE_QUEUE 0x2000 | |
41 | #define IFF_VNET_HDR 0x4000 | |
42 | #define IFF_MULTI_QUEUE 0x0100 | |
43 | #define IFF_ATTACH_QUEUE 0x0200 | |
44 | #define IFF_DETACH_QUEUE 0x0400 | |
45 | ||
46 | /* Features for GSO (TUNSETOFFLOAD). */ | |
47 | #define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */ | |
48 | #define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */ | |
49 | #define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */ | |
50 | #define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */ | |
51 | #define TUN_F_UFO 0x10 /* I can handle UFO packets */ | |
52 | ||
53 | #endif /* QEMU_TAP_LINUX_H */ |