github.com/nicocha30/gvisor-ligolo@v0.0.0-20230726075806-989fa2c0a413/pkg/abi/linux/ioctl_tun.go (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package linux
    16  
    17  // ioctl(2) request numbers from linux/if_tun.h
    18  var (
    19  	TUNSETIFF = IOW('T', 202, 4)
    20  	TUNGETIFF = IOR('T', 210, 4)
    21  )
    22  
    23  // Flags from net/if_tun.h
    24  const (
    25  	IFF_TUN      = 0x0001
    26  	IFF_TAP      = 0x0002
    27  	IFF_NO_PI    = 0x1000
    28  	IFF_NOFILTER = 0x1000
    29  
    30  	// According to linux/if_tun.h "This flag has no real effect"
    31  	IFF_ONE_QUEUE = 0x2000
    32  )