projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 76682299 MM |
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_H | |
| 17 | #define QEMU_TAP_H | |
| 18 | ||
| 8e0f8e5b | 19 | #include <stdint.h> |
| ed7193ec | 20 | #ifdef __linux__ |
| 71f4effc | 21 | |
| 76682299 MM |
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 MM |
29 | #define TUNSETSNDBUF _IOW('T', 212, int) |
| 30 | ||
| 71f4effc AG |
31 | #endif |
| 32 | ||
| 76682299 MM |
33 | /* TUNSETIFF ifr flags */ |
| 34 | #define IFF_TAP 0x0002 | |
| 35 | #define IFF_NO_PI 0x1000 | |
| 8e0f8e5b MM |
36 | #define IFF_VNET_HDR 0x4000 |
| 37 | ||
| b1c28b46 MM |
38 | /* Features for GSO (TUNSETOFFLOAD). */ |
| 39 | #define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */ | |
| 40 | #define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */ | |
| 41 | #define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */ | |
| 42 | #define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */ | |
| 6c9f58ba | 43 | #define TUN_F_UFO 0x10 /* I can handle UFO packets */ |
| b1c28b46 | 44 | |
| 8e0f8e5b MM |
45 | struct virtio_net_hdr |
| 46 | { | |
| 47 | uint8_t flags; | |
| 48 | uint8_t gso_type; | |
| 49 | uint16_t hdr_len; | |
| 50 | uint16_t gso_size; | |
| 51 | uint16_t csum_start; | |
| 52 | uint16_t csum_offset; | |
| 53 | }; | |
| 76682299 MM |
54 | |
| 55 | #endif /* QEMU_TAP_H */ |