forked from AliyunContainerService/terway
/
interface.go
36 lines (30 loc) · 830 Bytes
/
interface.go
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//+build linux
package link
import (
"github.com/pkg/errors"
"github.com/vishvananda/netlink"
)
func GetDeviceNumber(mac string) (int32, error) {
linkList, err := netlink.LinkList()
if err != nil {
return 0, errors.Wrapf(err, "error get link list from netlink")
}
for _, link := range linkList {
if link.Attrs().HardwareAddr.String() == mac {
return int32(link.Attrs().Index), nil
}
}
return 0, errors.Errorf("cannot found mac address: %s", mac)
}
func GetDeviceName(mac string) (string, error) {
linkList, err := netlink.LinkList()
if err != nil {
return "", errors.Wrapf(err, "error get link list from netlink")
}
for _, link := range linkList {
if link.Attrs().HardwareAddr.String() == mac {
return link.Attrs().Name, nil
}
}
return "", errors.Errorf("cannot found mac address: %s", mac)
}