|  | /* | 
|  | *  Universal TUN/TAP device driver. | 
|  | *  Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> | 
|  | * | 
|  | *  This program is free software; you can redistribute it and/or modify | 
|  | *  it under the terms of the GNU General Public License as published by | 
|  | *  the Free Software Foundation; either version 2 of the License, or | 
|  | *  (at your option) any later version. | 
|  | * | 
|  | *  This program is distributed in the hope that it will be useful, | 
|  | *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
|  | *  GNU General Public License for more details. | 
|  | */ | 
|  |  | 
|  | #ifndef QEMU_TAP_LINUX_H | 
|  | #define QEMU_TAP_LINUX_H | 
|  |  | 
|  | #ifdef __linux__ | 
|  |  | 
|  | #include <linux/ioctl.h> | 
|  |  | 
|  | /* Ioctl defines */ | 
|  | #define TUNSETIFF     _IOW('T', 202, int) | 
|  | #define TUNGETFEATURES _IOR('T', 207, unsigned int) | 
|  | #define TUNSETOFFLOAD  _IOW('T', 208, unsigned int) | 
|  | #define TUNGETIFF      _IOR('T', 210, unsigned int) | 
|  | #define TUNSETSNDBUF   _IOW('T', 212, int) | 
|  | #define TUNGETVNETHDRSZ _IOR('T', 215, int) | 
|  | #define TUNSETVNETHDRSZ _IOW('T', 216, int) | 
|  | #define TUNSETQUEUE  _IOW('T', 217, int) | 
|  | #define TUNSETVNETLE _IOW('T', 220, int) | 
|  | #define TUNSETVNETBE _IOW('T', 222, int) | 
|  | #define TUNSETSTEERINGEBPF _IOR('T', 224, int) | 
|  |  | 
|  | #endif | 
|  |  | 
|  | /* TUNSETIFF ifr flags */ | 
|  | #define IFF_TAP          0x0002 | 
|  | #define IFF_NO_PI        0x1000 | 
|  | #define IFF_ONE_QUEUE    0x2000 | 
|  | #define IFF_VNET_HDR     0x4000 | 
|  | #define IFF_MULTI_QUEUE  0x0100 | 
|  | #define IFF_ATTACH_QUEUE 0x0200 | 
|  | #define IFF_DETACH_QUEUE 0x0400 | 
|  |  | 
|  | /* Features for GSO (TUNSETOFFLOAD). */ | 
|  | #define TUN_F_CSUM    0x01    /* You can hand me unchecksummed packets. */ | 
|  | #define TUN_F_TSO4    0x02    /* I can handle TSO for IPv4 packets */ | 
|  | #define TUN_F_TSO6    0x04    /* I can handle TSO for IPv6 packets */ | 
|  | #define TUN_F_TSO_ECN 0x08    /* I can handle TSO with ECN bits. */ | 
|  | #define TUN_F_UFO     0x10    /* I can handle UFO packets */ | 
|  | #define TUN_F_USO4    0x20    /* I can handle USO for IPv4 packets */ | 
|  | #define TUN_F_USO6    0x40    /* I can handle USO for IPv6 packets */ | 
|  |  | 
|  | #endif /* QEMU_TAP_LINUX_H */ |