tun

package

v0.0.7 Latest Latest Go to latest Published: Aug 28, 2022 License: AGPL-3.0 Imports: 9 Imported by: 0

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Package tun interfaces with the linux kernel to provide access to net tuns.

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const (
	// IfaceNameMaxLen is the maximum allowed length of tun interface names in bytes (not runes).
	IfaceNameMaxLen = 16
)

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var (
	// ErrMTU indicates that a packet is too large for the tun MTU.
	ErrMTU = errors.New("packet too large for MTU")
)

This section is empty.

type Tun struct {
	io.ReadWriteCloser
	// contains filtered or unexported fields
}

Tun is a handle for a linux Tun device that allows reading an writing frames.

func New(ifaceName string) (*Tun, error)

New creates a new tun handle for the tun named by ifaceName.

func (t *Tun) MTU() int

MTU returns the current MTU size of the interface in bytes.