| /* |
| * 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 |
| |
| #include <stdint.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) |
| |
| #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 */ |
| |
| #endif /* QEMU_TAP_H */ |
