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1 | /* SPDX-License-Identifier: BSD-3-Clause |
2 | * Copyright(c) 2016 Intel Corporation | |
7c673cae | 3 | */ |
7c673cae | 4 | |
11fdf7f2 | 5 | #include <sys/ioctl.h> |
7c673cae | 6 | |
11fdf7f2 TL |
7 | /* TUN ioctls */ |
8 | #define TUNSETIFF _IOW('T', 202, int) | |
9 | #define TUNGETFEATURES _IOR('T', 207, unsigned int) | |
10 | #define TUNSETOFFLOAD _IOW('T', 208, unsigned int) | |
11 | #define TUNGETIFF _IOR('T', 210, unsigned int) | |
12 | #define TUNSETSNDBUF _IOW('T', 212, int) | |
13 | #define TUNGETVNETHDRSZ _IOR('T', 215, int) | |
14 | #define TUNSETVNETHDRSZ _IOW('T', 216, int) | |
15 | #define TUNSETQUEUE _IOW('T', 217, int) | |
16 | #define TUNSETVNETLE _IOW('T', 220, int) | |
17 | #define TUNSETVNETBE _IOW('T', 222, int) | |
7c673cae | 18 | |
11fdf7f2 TL |
19 | /* TUNSETIFF ifr flags */ |
20 | #define IFF_TAP 0x0002 | |
21 | #define IFF_NO_PI 0x1000 | |
22 | #define IFF_ONE_QUEUE 0x2000 | |
23 | #define IFF_VNET_HDR 0x4000 | |
24 | #define IFF_MULTI_QUEUE 0x0100 | |
25 | #define IFF_ATTACH_QUEUE 0x0200 | |
26 | #define IFF_DETACH_QUEUE 0x0400 | |
7c673cae | 27 | |
11fdf7f2 TL |
28 | /* Features for GSO (TUNSETOFFLOAD). */ |
29 | #define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */ | |
30 | #define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */ | |
31 | #define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */ | |
32 | #define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */ | |
33 | #define TUN_F_UFO 0x10 /* I can handle UFO packets */ | |
7c673cae | 34 | |
11fdf7f2 TL |
35 | /* Constants */ |
36 | #define PATH_NET_TUN "/dev/net/tun" | |
7c673cae | 37 | |
9f95a23c TL |
38 | int vhost_kernel_open_tap(char **p_ifname, int hdr_size, int req_mq, |
39 | const char *mac, uint64_t features); |