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76682299
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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
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16#ifndef QEMU_TAP_LINUX_H
17#define QEMU_TAP_LINUX_H
76682299 18
8e0f8e5b 19#include <stdint.h>
ed7193ec 20#ifdef __linux__
71f4effc 21
76682299
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22#include <linux/ioctl.h>
23
24/* Ioctl defines */
25#define TUNSETIFF _IOW('T', 202, int)
8e0f8e5b 26#define TUNGETFEATURES _IOR('T', 207, unsigned int)
b1c28b46 27#define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
8e0f8e5b 28#define TUNGETIFF _IOR('T', 210, unsigned int)
76682299 29#define TUNSETSNDBUF _IOW('T', 212, int)
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30#define TUNGETVNETHDRSZ _IOR('T', 215, int)
31#define TUNSETVNETHDRSZ _IOW('T', 216, int)
4e4f9ae7 32#define TUNSETQUEUE _IOW('T', 217, int)
76682299 33
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34#endif
35
76682299 36/* TUNSETIFF ifr flags */
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37#define IFF_TAP 0x0002
38#define IFF_NO_PI 0x1000
39#define IFF_ONE_QUEUE 0x2000
40#define IFF_VNET_HDR 0x4000
41#define IFF_MULTI_QUEUE 0x0100
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42#define IFF_ATTACH_QUEUE 0x0200
43#define IFF_DETACH_QUEUE 0x0400
8e0f8e5b 44
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45/* Features for GSO (TUNSETOFFLOAD). */
46#define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */
47#define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */
48#define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */
49#define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */
6c9f58ba 50#define TUN_F_UFO 0x10 /* I can handle UFO packets */
b1c28b46 51
76682299 52#endif /* QEMU_TAP_H */