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|
package ip
import (
"errors"
"fmt"
"github.com/vishvananda/netlink"
)
// QdiscIngress represents an ingress qdisc object.
type QdiscIngress struct {
Qdisc
}
// Add adds an ingress qdisc to a device.
func (q *QdiscIngress) Add() error {
attrs, err := q.netlinkAttrs()
if err != nil {
return err
}
if q.Parent != "" {
return errors.New("Ingress qdisc cannot have parent")
}
attrs.Parent = netlink.HANDLE_INGRESS
ingress := &netlink.Ingress{
QdiscAttrs: attrs,
}
err = netlink.QdiscAdd(ingress)
if err != nil {
return fmt.Errorf("Failed to add ingress qdisc %v: %w", ingress, mapQdiscErr(err))
}
return nil
}
// Delete deletes an ingress qdisc from a device.
func (q *QdiscIngress) Delete() error {
attrs, err := q.netlinkAttrs()
if err != nil {
return err
}
attrs.Parent = netlink.HANDLE_INGRESS
ingress := &netlink.Ingress{
QdiscAttrs: attrs,
}
err = netlink.QdiscDel(ingress)
if err != nil {
return fmt.Errorf("Failed to delete ingress qdisc %v: %w", ingress, mapQdiscErr(err))
}
return nil
}
|
