load vhost-net kernel module

This commit is needed when using DPDK with vhost-net in virtio mode. We must load the vhost-net kernel module if we don't want the dpdk application to run with privilege Signed-off-by: Sebastian Sch <[email protected]>
k8snetworkplumbingwg · Jul 26, 2022 · 3e8d487 · 3e8d487
1 parent 815fd13
commit 3e8d487
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/pkg/daemon/daemon.go b/pkg/daemon/daemon.go
@@ -206,6 +206,7 @@ func (dn *Daemon) Run(stopCh <-chan struct{}, exitCh <-chan error) error {
 
 	tryEnableRdma()
 	tryEnableTun()
+	tryEnableVhostNet()
 
 	if err := dn.tryCreateUdevRuleWrapper(); err != nil {
 		return err
@@ -905,6 +906,12 @@ func tryEnableTun() {
 	}
 }
 
+func tryEnableVhostNet() {
+	if err := utils.LoadKernelModule("vhost_net"); err != nil {
+		glog.Errorf("tryEnableVhostNet(): VHOST_NET kernel module not loaded: %v", err)
+	}
+}
+
 func tryEnableRdma() (bool, error) {
 	glog.V(2).Infof("tryEnableRdma()")
 	var stdout, stderr bytes.Buffer