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16#ifndef __IF_TUN_H
17#define __IF_TUN_H
18
19#include <linux/types.h>
20#include <linux/if_ether.h>
21
22
23#define TUN_READQ_SIZE 500
24
25
26#define TUN_TUN_DEV 0x0001
27#define TUN_TAP_DEV 0x0002
28#define TUN_TYPE_MASK 0x000f
29
30#define TUN_FASYNC 0x0010
31#define TUN_NOCHECKSUM 0x0020
32#define TUN_NO_PI 0x0040
33#define TUN_ONE_QUEUE 0x0080
34#define TUN_PERSIST 0x0100
35#define TUN_VNET_HDR 0x0200
36
37
38#define TUNSETNOCSUM _IOW('T', 200, int)
39#define TUNSETDEBUG _IOW('T', 201, int)
40#define TUNSETIFF _IOW('T', 202, int)
41#define TUNSETPERSIST _IOW('T', 203, int)
42#define TUNSETOWNER _IOW('T', 204, int)
43#define TUNSETLINK _IOW('T', 205, int)
44#define TUNSETGROUP _IOW('T', 206, int)
45#define TUNGETFEATURES _IOR('T', 207, unsigned int)
46#define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
47#define TUNSETTXFILTER _IOW('T', 209, unsigned int)
48#define TUNGETIFF _IOR('T', 210, unsigned int)
49#define TUNGETSNDBUF _IOR('T', 211, int)
50#define TUNSETSNDBUF _IOW('T', 212, int)
51
52
53#define IFF_TUN 0x0001
54#define IFF_TAP 0x0002
55#define IFF_NO_PI 0x1000
56#define IFF_ONE_QUEUE 0x2000
57#define IFF_VNET_HDR 0x4000
58#define IFF_TUN_EXCL 0x8000
59
60
61#define TUN_F_CSUM 0x01
62#define TUN_F_TSO4 0x02
63#define TUN_F_TSO6 0x04
64#define TUN_F_TSO_ECN 0x08
65#define TUN_F_UFO 0x10
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68#define TUN_PKT_STRIP 0x0001
69struct tun_pi {
70 __u16 flags;
71 __be16 proto;
72};
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81
82#define TUN_FLT_ALLMULTI 0x0001
83struct tun_filter {
84 __u16 flags;
85 __u16 count;
86 __u8 addr[0][ETH_ALEN];
87};
88
89#endif
90