/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */


#ifndef _UAPI__IF_TUN_H
#define _UAPI__IF_TUN_H

#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/filter.h>


#define TUN_READQ_SIZE	500

#define TUN_TUN_DEV 	IFF_TUN
#define TUN_TAP_DEV	IFF_TAP
#define TUN_TYPE_MASK   0x000f


#define TUNSETNOCSUM  _IOW('T', 200, int) 
#define TUNSETDEBUG   _IOW('T', 201, int) 
#define TUNSETIFF     _IOW('T', 202, int) 
#define TUNSETPERSIST _IOW('T', 203, int) 
#define TUNSETOWNER   _IOW('T', 204, int)
#define TUNSETLINK    _IOW('T', 205, int)
#define TUNSETGROUP   _IOW('T', 206, int)
#define TUNGETFEATURES _IOR('T', 207, unsigned int)
#define TUNSETOFFLOAD  _IOW('T', 208, unsigned int)
#define TUNSETTXFILTER _IOW('T', 209, unsigned int)
#define TUNGETIFF      _IOR('T', 210, unsigned int)
#define TUNGETSNDBUF   _IOR('T', 211, int)
#define TUNSETSNDBUF   _IOW('T', 212, int)
#define TUNATTACHFILTER _IOW('T', 213, struct sock_fprog)
#define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
#define TUNGETVNETHDRSZ _IOR('T', 215, int)
#define TUNSETVNETHDRSZ _IOW('T', 216, int)
#define TUNSETQUEUE  _IOW('T', 217, int)
#define TUNSETIFINDEX	_IOW('T', 218, unsigned int)
#define TUNGETFILTER _IOR('T', 219, struct sock_fprog)
#define TUNSETVNETLE _IOW('T', 220, int)
#define TUNGETVNETLE _IOR('T', 221, int)

#define TUNSETVNETBE _IOW('T', 222, int)
#define TUNGETVNETBE _IOR('T', 223, int)
#define TUNSETSTEERINGEBPF _IOR('T', 224, int)
#define TUNSETFILTEREBPF _IOR('T', 225, int)
#define TUNSETCARRIER _IOW('T', 226, int)
#define TUNGETDEVNETNS _IO('T', 227)


#define IFF_TUN		0x0001
#define IFF_TAP		0x0002
#define IFF_NAPI	0x0010
#define IFF_NAPI_FRAGS	0x0020

#define IFF_NO_CARRIER	0x0040
#define IFF_NO_PI	0x1000

#define IFF_ONE_QUEUE	0x2000
#define IFF_VNET_HDR	0x4000
#define IFF_TUN_EXCL	0x8000
#define IFF_MULTI_QUEUE 0x0100
#define IFF_ATTACH_QUEUE 0x0200
#define IFF_DETACH_QUEUE 0x0400

#define IFF_PERSIST	0x0800
#define IFF_NOFILTER	0x1000


#define TUN_TX_TIMESTAMP 1


#define TUN_F_CSUM	0x01	
#define TUN_F_TSO4	0x02	
#define TUN_F_TSO6	0x04	
#define TUN_F_TSO_ECN	0x08	
#define TUN_F_UFO	0x10	


#define TUN_PKT_STRIP	0x0001
struct tun_pi {
	__u16  flags;
	__be16 proto;
};


#define TUN_FLT_ALLMULTI 0x0001 
struct tun_filter {
	__u16  flags; 
	__u16  count; 
	__u8   addr[][ETH_ALEN];
};

#endif 
