diff --git a/src/drivers/net/intelxl.c b/src/drivers/net/intelxl.c
index fda8effbd..d929f48cd 100644
--- a/src/drivers/net/intelxl.c
+++ b/src/drivers/net/intelxl.c
@@ -1643,6 +1643,7 @@ static struct net_device_operations intelxl_operations = {
 static int intelxl_probe ( struct pci_device *pci ) {
 	struct net_device *netdev;
 	struct intelxl_nic *intelxl;
+	uint32_t pffunc_rid;
 	uint32_t pfgen_portnum;
 	uint32_t pflan_qalloc;
 	int rc;
@@ -1658,7 +1659,6 @@ static int intelxl_probe ( struct pci_device *pci ) {
 	pci_set_drvdata ( pci, netdev );
 	netdev->dev = &pci->dev;
 	memset ( intelxl, 0, sizeof ( *intelxl ) );
-	intelxl->pf = PCI_FUNC ( pci->busdevfn );
 	intelxl->intr = INTELXL_PFINT_DYN_CTL0;
 	intelxl_init_admin ( &intelxl->command, INTELXL_ADMIN_CMD,
 			     &intelxl_admin_offsets );
@@ -1685,7 +1685,9 @@ static int intelxl_probe ( struct pci_device *pci ) {
 	if ( ( rc = intelxl_reset ( intelxl ) ) != 0 )
 		goto err_reset;
 
-	/* Get port number and base queue number */
+	/* Get function number, port number and base queue number */
+	pffunc_rid = readl ( intelxl->regs + INTELXL_PFFUNC_RID );
+	intelxl->pf = INTELXL_PFFUNC_RID_FUNC_NUM ( pffunc_rid );
 	pfgen_portnum = readl ( intelxl->regs + INTELXL_PFGEN_PORTNUM );
 	intelxl->port = INTELXL_PFGEN_PORTNUM_PORT_NUM ( pfgen_portnum );
 	pflan_qalloc = readl ( intelxl->regs + INTELXL_PFLAN_QALLOC );
diff --git a/src/drivers/net/intelxl.h b/src/drivers/net/intelxl.h
index 2d33ed8e9..ef9152f6e 100644
--- a/src/drivers/net/intelxl.h
+++ b/src/drivers/net/intelxl.h
@@ -985,6 +985,11 @@ intelxl_init_ring ( struct intelxl_ring *ring, unsigned int count, size_t len,
 /** Time to delay for device reset, in milliseconds */
 #define INTELXL_RESET_DELAY_MS 100
 
+/** Function Requester ID Information Register */
+#define INTELXL_PFFUNC_RID 0x09c000
+#define INTELXL_PFFUNC_RID_FUNC_NUM(x) \
+	( ( (x) >> 0 ) & 0x3 )				/**< Function number */
+
 /** PF Queue Allocation Register */
 #define INTELXL_PFLAN_QALLOC 0x1c0400
 #define INTELXL_PFLAN_QALLOC_FIRSTQ(x) \