// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

// Automatically generated by rust-bindgen 0.59.2 by using:
//
// bindgen --no-layout-tests --with-derive-default /usr/include/linux/if_tun.h

#[repr(C)]
#[derive(Default)]
pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>, [T; 0]);
impl<T> __IncompleteArrayField<T> {
    #[inline]
    pub const fn new() -> Self {
        __IncompleteArrayField(::std::marker::PhantomData, [])
    }
    #[inline]
    pub fn as_ptr(&self) -> *const T {
        std::ptr::from_ref(self).cast::<T>()
    }
    #[inline]
    pub fn as_mut_ptr(&mut self) -> *mut T {
        std::ptr::from_mut(self).cast::<T>()
    }
    #[inline]
    pub unsafe fn as_slice(&self, len: usize) -> &[T] {
        ::std::slice::from_raw_parts(self.as_ptr(), len)
    }
    #[inline]
    pub unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T] {
        ::std::slice::from_raw_parts_mut(self.as_mut_ptr(), len)
    }
}
impl<T> ::std::fmt::Debug for __IncompleteArrayField<T> {
    fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        fmt.write_str("__IncompleteArrayField")
    }
}
pub const __BITS_PER_LONG: u32 = 64;
pub const __FD_SETSIZE: u32 = 1024;
pub const ETH_ALEN: u32 = 6;
pub const ETH_TLEN: u32 = 2;
pub const ETH_HLEN: u32 = 14;
pub const ETH_ZLEN: u32 = 60;
pub const ETH_DATA_LEN: u32 = 1500;
pub const ETH_FRAME_LEN: u32 = 1514;
pub const ETH_FCS_LEN: u32 = 4;
pub const ETH_MIN_MTU: u32 = 68;
pub const ETH_MAX_MTU: u32 = 65535;
pub const ETH_P_LOOP: u32 = 96;
pub const ETH_P_PUP: u32 = 512;
pub const ETH_P_PUPAT: u32 = 513;
pub const ETH_P_TSN: u32 = 8944;
pub const ETH_P_ERSPAN2: u32 = 8939;
pub const ETH_P_IP: u32 = 2048;
pub const ETH_P_X25: u32 = 2053;
pub const ETH_P_ARP: u32 = 2054;
pub const ETH_P_BPQ: u32 = 2303;
pub const ETH_P_IEEEPUP: u32 = 2560;
pub const ETH_P_IEEEPUPAT: u32 = 2561;
pub const ETH_P_BATMAN: u32 = 17157;
pub const ETH_P_DEC: u32 = 24576;
pub const ETH_P_DNA_DL: u32 = 24577;
pub const ETH_P_DNA_RC: u32 = 24578;
pub const ETH_P_DNA_RT: u32 = 24579;
pub const ETH_P_LAT: u32 = 24580;
pub const ETH_P_DIAG: u32 = 24581;
pub const ETH_P_CUST: u32 = 24582;
pub const ETH_P_SCA: u32 = 24583;
pub const ETH_P_TEB: u32 = 25944;
pub const ETH_P_RARP: u32 = 32821;
pub const ETH_P_ATALK: u32 = 32923;
pub const ETH_P_AARP: u32 = 33011;
pub const ETH_P_8021Q: u32 = 33024;
pub const ETH_P_ERSPAN: u32 = 35006;
pub const ETH_P_IPX: u32 = 33079;
pub const ETH_P_IPV6: u32 = 34525;
pub const ETH_P_PAUSE: u32 = 34824;
pub const ETH_P_SLOW: u32 = 34825;
pub const ETH_P_WCCP: u32 = 34878;
pub const ETH_P_MPLS_UC: u32 = 34887;
pub const ETH_P_MPLS_MC: u32 = 34888;
pub const ETH_P_ATMMPOA: u32 = 34892;
pub const ETH_P_PPP_DISC: u32 = 34915;
pub const ETH_P_PPP_SES: u32 = 34916;
pub const ETH_P_LINK_CTL: u32 = 34924;
pub const ETH_P_ATMFATE: u32 = 34948;
pub const ETH_P_PAE: u32 = 34958;
pub const ETH_P_AOE: u32 = 34978;
pub const ETH_P_8021AD: u32 = 34984;
pub const ETH_P_802_EX1: u32 = 34997;
pub const ETH_P_PREAUTH: u32 = 35015;
pub const ETH_P_TIPC: u32 = 35018;
pub const ETH_P_LLDP: u32 = 35020;
pub const ETH_P_MRP: u32 = 35043;
pub const ETH_P_MACSEC: u32 = 35045;
pub const ETH_P_8021AH: u32 = 35047;
pub const ETH_P_MVRP: u32 = 35061;
pub const ETH_P_1588: u32 = 35063;
pub const ETH_P_NCSI: u32 = 35064;
pub const ETH_P_PRP: u32 = 35067;
pub const ETH_P_FCOE: u32 = 35078;
pub const ETH_P_IBOE: u32 = 35093;
pub const ETH_P_TDLS: u32 = 35085;
pub const ETH_P_FIP: u32 = 35092;
pub const ETH_P_80221: u32 = 35095;
pub const ETH_P_HSR: u32 = 35119;
pub const ETH_P_NSH: u32 = 35151;
pub const ETH_P_LOOPBACK: u32 = 36864;
pub const ETH_P_QINQ1: u32 = 37120;
pub const ETH_P_QINQ2: u32 = 37376;
pub const ETH_P_QINQ3: u32 = 37632;
pub const ETH_P_EDSA: u32 = 56026;
pub const ETH_P_DSA_8021Q: u32 = 56027;
pub const ETH_P_IFE: u32 = 60734;
pub const ETH_P_AF_IUCV: u32 = 64507;
pub const ETH_P_802_3_MIN: u32 = 1536;
pub const ETH_P_802_3: u32 = 1;
pub const ETH_P_AX25: u32 = 2;
pub const ETH_P_ALL: u32 = 3;
pub const ETH_P_802_2: u32 = 4;
pub const ETH_P_SNAP: u32 = 5;
pub const ETH_P_DDCMP: u32 = 6;
pub const ETH_P_WAN_PPP: u32 = 7;
pub const ETH_P_PPP_MP: u32 = 8;
pub const ETH_P_LOCALTALK: u32 = 9;
pub const ETH_P_CAN: u32 = 12;
pub const ETH_P_CANFD: u32 = 13;
pub const ETH_P_PPPTALK: u32 = 16;
pub const ETH_P_TR_802_2: u32 = 17;
pub const ETH_P_MOBITEX: u32 = 21;
pub const ETH_P_CONTROL: u32 = 22;
pub const ETH_P_IRDA: u32 = 23;
pub const ETH_P_ECONET: u32 = 24;
pub const ETH_P_HDLC: u32 = 25;
pub const ETH_P_ARCNET: u32 = 26;
pub const ETH_P_DSA: u32 = 27;
pub const ETH_P_TRAILER: u32 = 28;
pub const ETH_P_PHONET: u32 = 245;
pub const ETH_P_IEEE802154: u32 = 246;
pub const ETH_P_CAIF: u32 = 247;
pub const ETH_P_XDSA: u32 = 248;
pub const ETH_P_MAP: u32 = 249;
pub const __UAPI_DEF_ETHHDR: u32 = 1;
pub const BPF_LD: u32 = 0;
pub const BPF_LDX: u32 = 1;
pub const BPF_ST: u32 = 2;
pub const BPF_STX: u32 = 3;
pub const BPF_ALU: u32 = 4;
pub const BPF_JMP: u32 = 5;
pub const BPF_RET: u32 = 6;
pub const BPF_MISC: u32 = 7;
pub const BPF_W: u32 = 0;
pub const BPF_H: u32 = 8;
pub const BPF_B: u32 = 16;
pub const BPF_IMM: u32 = 0;
pub const BPF_ABS: u32 = 32;
pub const BPF_IND: u32 = 64;
pub const BPF_MEM: u32 = 96;
pub const BPF_LEN: u32 = 128;
pub const BPF_MSH: u32 = 160;
pub const BPF_ADD: u32 = 0;
pub const BPF_SUB: u32 = 16;
pub const BPF_MUL: u32 = 32;
pub const BPF_DIV: u32 = 48;
pub const BPF_OR: u32 = 64;
pub const BPF_AND: u32 = 80;
pub const BPF_LSH: u32 = 96;
pub const BPF_RSH: u32 = 112;
pub const BPF_NEG: u32 = 128;
pub const BPF_MOD: u32 = 144;
pub const BPF_XOR: u32 = 160;
pub const BPF_JA: u32 = 0;
pub const BPF_JEQ: u32 = 16;
pub const BPF_JGT: u32 = 32;
pub const BPF_JGE: u32 = 48;
pub const BPF_JSET: u32 = 64;
pub const BPF_K: u32 = 0;
pub const BPF_X: u32 = 8;
pub const BPF_MAXINSNS: u32 = 4096;
pub const BPF_MAJOR_VERSION: u32 = 1;
pub const BPF_MINOR_VERSION: u32 = 1;
pub const BPF_A: u32 = 16;
pub const BPF_TAX: u32 = 0;
pub const BPF_TXA: u32 = 128;
pub const BPF_MEMWORDS: u32 = 16;
pub const SKF_AD_OFF: i32 = -4096;
pub const SKF_AD_PROTOCOL: u32 = 0;
pub const SKF_AD_PKTTYPE: u32 = 4;
pub const SKF_AD_IFINDEX: u32 = 8;
pub const SKF_AD_NLATTR: u32 = 12;
pub const SKF_AD_NLATTR_NEST: u32 = 16;
pub const SKF_AD_MARK: u32 = 20;
pub const SKF_AD_QUEUE: u32 = 24;
pub const SKF_AD_HATYPE: u32 = 28;
pub const SKF_AD_RXHASH: u32 = 32;
pub const SKF_AD_CPU: u32 = 36;
pub const SKF_AD_ALU_XOR_X: u32 = 40;
pub const SKF_AD_VLAN_TAG: u32 = 44;
pub const SKF_AD_VLAN_TAG_PRESENT: u32 = 48;
pub const SKF_AD_PAY_OFFSET: u32 = 52;
pub const SKF_AD_RANDOM: u32 = 56;
pub const SKF_AD_VLAN_TPID: u32 = 60;
pub const SKF_AD_MAX: u32 = 64;
pub const SKF_NET_OFF: i32 = -1048576;
pub const SKF_LL_OFF: i32 = -2097152;
pub const BPF_NET_OFF: i32 = -1048576;
pub const BPF_LL_OFF: i32 = -2097152;
pub const TUN_READQ_SIZE: u32 = 500;
pub const TUN_TYPE_MASK: u32 = 15;
pub const IFF_TUN: u32 = 1;
pub const IFF_TAP: u32 = 2;
pub const IFF_NAPI: u32 = 16;
pub const IFF_NAPI_FRAGS: u32 = 32;
pub const IFF_NO_PI: u32 = 4096;
pub const IFF_ONE_QUEUE: u32 = 8192;
pub const IFF_VNET_HDR: u32 = 16384;
pub const IFF_TUN_EXCL: u32 = 32768;
pub const IFF_MULTI_QUEUE: u32 = 256;
pub const IFF_ATTACH_QUEUE: u32 = 512;
pub const IFF_DETACH_QUEUE: u32 = 1024;
pub const IFF_PERSIST: u32 = 2048;
pub const IFF_NOFILTER: u32 = 4096;
pub const TUN_TX_TIMESTAMP: u32 = 1;
pub const TUN_F_CSUM: u32 = 1;
pub const TUN_F_TSO4: u32 = 2;
pub const TUN_F_TSO6: u32 = 4;
pub const TUN_F_TSO_ECN: u32 = 8;
pub const TUN_F_UFO: u32 = 16;
pub const TUN_PKT_STRIP: u32 = 1;
pub const TUN_FLT_ALLMULTI: u32 = 1;
pub type __s8 = ::std::os::raw::c_schar;
pub type __u8 = ::std::os::raw::c_uchar;
pub type __s16 = ::std::os::raw::c_short;
pub type __u16 = ::std::os::raw::c_ushort;
pub type __s32 = ::std::os::raw::c_int;
pub type __u32 = ::std::os::raw::c_uint;
pub type __s64 = ::std::os::raw::c_longlong;
pub type __u64 = ::std::os::raw::c_ulonglong;
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct __kernel_fd_set {
    pub fds_bits: [::std::os::raw::c_ulong; 16usize],
}
pub type __kernel_sighandler_t =
    ::std::option::Option<unsafe extern "C" fn(arg1: ::std::os::raw::c_int)>;
pub type __kernel_key_t = ::std::os::raw::c_int;
pub type __kernel_mqd_t = ::std::os::raw::c_int;
pub type __kernel_old_uid_t = ::std::os::raw::c_ushort;
pub type __kernel_old_gid_t = ::std::os::raw::c_ushort;
pub type __kernel_old_dev_t = ::std::os::raw::c_ulong;
pub type __kernel_long_t = ::std::os::raw::c_long;
pub type __kernel_ulong_t = ::std::os::raw::c_ulong;
pub type __kernel_ino_t = __kernel_ulong_t;
pub type __kernel_mode_t = ::std::os::raw::c_uint;
pub type __kernel_pid_t = ::std::os::raw::c_int;
pub type __kernel_ipc_pid_t = ::std::os::raw::c_int;
pub type __kernel_uid_t = ::std::os::raw::c_uint;
pub type __kernel_gid_t = ::std::os::raw::c_uint;
pub type __kernel_suseconds_t = __kernel_long_t;
pub type __kernel_daddr_t = ::std::os::raw::c_int;
pub type __kernel_uid32_t = ::std::os::raw::c_uint;
pub type __kernel_gid32_t = ::std::os::raw::c_uint;
pub type __kernel_size_t = __kernel_ulong_t;
pub type __kernel_ssize_t = __kernel_long_t;
pub type __kernel_ptrdiff_t = __kernel_long_t;
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct __kernel_fsid_t {
    pub val: [::std::os::raw::c_int; 2usize],
}
pub type __kernel_off_t = __kernel_long_t;
pub type __kernel_loff_t = ::std::os::raw::c_longlong;
pub type __kernel_old_time_t = __kernel_long_t;
pub type __kernel_time_t = __kernel_long_t;
pub type __kernel_time64_t = ::std::os::raw::c_longlong;
pub type __kernel_clock_t = __kernel_long_t;
pub type __kernel_timer_t = ::std::os::raw::c_int;
pub type __kernel_clockid_t = ::std::os::raw::c_int;
pub type __kernel_caddr_t = *mut ::std::os::raw::c_char;
pub type __kernel_uid16_t = ::std::os::raw::c_ushort;
pub type __kernel_gid16_t = ::std::os::raw::c_ushort;
pub type __le16 = __u16;
pub type __be16 = __u16;
pub type __le32 = __u32;
pub type __be32 = __u32;
pub type __le64 = __u64;
pub type __be64 = __u64;
pub type __sum16 = __u16;
pub type __wsum = __u32;
pub type __poll_t = ::std::os::raw::c_uint;
#[repr(C, packed)]
#[derive(Debug, Default, Copy, Clone)]
pub struct ethhdr {
    pub h_dest: [::std::os::raw::c_uchar; 6usize],
    pub h_source: [::std::os::raw::c_uchar; 6usize],
    pub h_proto: __be16,
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct sock_filter {
    pub code: __u16,
    pub jt: __u8,
    pub jf: __u8,
    pub k: __u32,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct sock_fprog {
    pub len: ::std::os::raw::c_ushort,
    pub filter: *mut sock_filter,
}
impl Default for sock_fprog {
    fn default() -> Self {
        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
            s.assume_init()
        }
    }
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone)]
pub struct tun_pi {
    pub flags: __u16,
    pub proto: __be16,
}
#[repr(C)]
#[derive(Debug, Default)]
pub struct tun_filter {
    pub flags: __u16,
    pub count: __u16,
    pub addr: __IncompleteArrayField<[__u8; 6usize]>,
}
