Fix can't get pfname for virtio pci path

Fixed issue with virtio driver by adding a conditional check for the virtio path under the PCI address, preventing errors when the pf name cannot be found. This ensures successful acquisition of vf resources. Fixes k8snetworkplumbingwg#507 Signed-off-by: JasinlikeEatingOrange <[email protected]>
JasinlikeEatingOrange · Nov 30, 2023 · 5fac342 · 5fac342
1 parent ed52ba7
commit 5fac342
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
@@ -92,6 +92,17 @@ func GetPfName(pciAddr string) (string, error) {
 	}
 
 	path := filepath.Join(sysBusPci, pciAddr, "physfn", "net")
+	vertIOpath := filepath.Join(sysBusPci, pciAddr, "physfn")
+	dir, err := os.ReadDir(vertIOpath)
+	if err != nil {
+		return "", nil
+	}
+	for _, file := range dir {
+		if strings.Contains(file.Name(), "virtio") {
+			path = filepath.Join(vertIOpath, file.Name(), "net")
+			break
+		}
+	}
 	files, err := os.ReadDir(path)
 	if err != nil {
 		if os.IsNotExist(err) {
@@ -512,3 +523,4 @@ func ParseAuxDeviceType(deviceID string) string {
 	// not an auxiliary device
 	return ""
 }
+