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Removed IFF_NO_PI from TUN linux

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This change was needed for the Linux TUN status hack
to work properly (not increment the error counter).

This commit also updates the TUN interface to allow for
the construction / removal of the TUN info headers in-place.
This commit is contained in:
Mathias Hall-Andersen
2017-12-04 21:39:06 +01:00
parent 9fef0ca2fb
commit 996c7c4d8a
4 changed files with 60 additions and 18 deletions
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src/tun.go
+7 -7
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@@ -16,13 +16,13 @@ const (
)
type TUNDevice interface {
File() *os.File // returns the file descriptor of the device
Read([]byte) (int, error) // read a packet from the device (without any additional headers)
Write([]byte) (int, error) // writes a packet to the device (without any additional headers)
MTU() (int, error) // returns the MTU of the device
Name() string // returns the current name
Events() chan TUNEvent // returns a constant channel of events related to the device
Close() error // stops the device and closes the event channel
File() *os.File // returns the file descriptor of the device
Read([]byte, int) (int, error) // read a packet from the device (without any additional headers)
Write([]byte, int) (int, error) // writes a packet to the device (without any additional headers)
MTU() (int, error) // returns the MTU of the device
Name() string // returns the current name
Events() chan TUNEvent // returns a constant channel of events related to the device
Close() error // stops the device and closes the event channel
}
func (device *Device) RoutineTUNEventReader() {