1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
package ip
import (
"fmt"
"github.com/vishvananda/netlink"
)
// Tuntap represents arguments for tuntap manipulation.
type Tuntap struct {
Name string
Mode string
MultiQueue bool
Master string
}
// Add adds new tuntap interface.
func (t *Tuntap) Add() error {
var mode netlink.TuntapMode
switch t.Mode {
case "tun":
mode = netlink.TUNTAP_MODE_TUN
case "tap":
mode = netlink.TUNTAP_MODE_TAP
default:
return fmt.Errorf("Invalid tuntap mode %q", t.Mode)
}
var flags netlink.TuntapFlag
if t.MultiQueue {
flags = netlink.TUNTAP_MULTI_QUEUE_DEFAULTS
} else {
flags = netlink.TUNTAP_DEFAULTS
}
tuntap := &netlink.Tuntap{
LinkAttrs: netlink.LinkAttrs{
Name: t.Name,
},
Mode: mode,
Flags: flags,
}
err := netlink.LinkAdd(tuntap)
if err != nil {
return fmt.Errorf("Failed to create tuntap %q: %w", t.Name, err)
}
return nil
}
|
