diff --git a/include/net/devlink.h b/include/net/devlink.h
index 4d1be81b58cc..f3510db3e2a8 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -37,7 +37,7 @@ struct devlink_port_phys_attrs {
 /**
  * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
  * @controller: Associated controller number
- * @pf: Associated PCI PF number for this port.
+ * @pf: associated PCI function number for the devlink port instance
  * @external: when set, indicates if a port is for an external controller
  */
 struct devlink_port_pci_pf_attrs {
@@ -49,8 +49,9 @@ struct devlink_port_pci_pf_attrs {
 /**
  * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
  * @controller: Associated controller number
- * @pf: Associated PCI PF number for this port.
- * @vf: Associated PCI VF for of the PCI PF for this port.
+ * @pf: associated PCI function number for the devlink port instance
+ * @vf: associated PCI VF number of a PF for the devlink port instance;
+ *	VF number starts from 0 for the first PCI virtual function
  * @external: when set, indicates if a port is for an external controller
  */
 struct devlink_port_pci_vf_attrs {
@@ -63,8 +64,8 @@ struct devlink_port_pci_vf_attrs {
 /**
  * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
  * @controller: Associated controller number
- * @sf: Associated PCI SF for of the PCI PF for this port.
- * @pf: Associated PCI PF number for this port.
+ * @sf: associated SF number of a PF for the devlink port instance
+ * @pf: associated PCI function number for the devlink port instance
  * @external: when set, indicates if a port is for an external controller
  */
 struct devlink_port_pci_sf_attrs {
diff --git a/net/devlink/port.c b/net/devlink/port.c
index be9158b4453c..939081a0e615 100644
--- a/net/devlink/port.c
+++ b/net/devlink/port.c
@@ -1376,7 +1376,7 @@ EXPORT_SYMBOL_GPL(devlink_port_attrs_set);
  *
  *	@devlink_port: devlink port
  *	@controller: associated controller number for the devlink port instance
- *	@pf: associated PF for the devlink port instance
+ *	@pf: associated PCI function number for the devlink port instance
  *	@external: indicates if the port is for an external controller
  */
 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
@@ -1402,8 +1402,9 @@ EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_pf_set);
  *
  *	@devlink_port: devlink port
  *	@controller: associated controller number for the devlink port instance
- *	@pf: associated PF for the devlink port instance
- *	@vf: associated VF of a PF for the devlink port instance
+ *	@pf: associated PCI function number for the devlink port instance
+ *	@vf: associated PCI VF number of a PF for the devlink port instance;
+ *	     VF number starts from 0 for the first PCI virtual function
  *	@external: indicates if the port is for an external controller
  */
 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
@@ -1430,8 +1431,8 @@ EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_vf_set);
  *
  *	@devlink_port: devlink port
  *	@controller: associated controller number for the devlink port instance
- *	@pf: associated PF for the devlink port instance
- *	@sf: associated SF of a PF for the devlink port instance
+ *	@pf: associated PCI function number for the devlink port instance
+ *	@sf: associated SF number of a PF for the devlink port instance
  *	@external: indicates if the port is for an external controller
  */
 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, u32 controller,