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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linux
// ioctl(2) request numbers from linux/if_tun.h
var (
TUNSETIFF = IOC(_IOC_WRITE, 'T', 202, 4)
TUNGETIFF = IOC(_IOC_READ, 'T', 210, 4)
)
// Flags from net/if_tun.h
const (
IFF_TUN = 0x0001
IFF_TAP = 0x0002
IFF_NO_PI = 0x1000
IFF_NOFILTER = 0x1000
// According to linux/if_tun.h "This flag has no real effect"
IFF_ONE_QUEUE = 0x2000
)
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