Add find_pci_netdev()

diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h
index b029d16abe2253e5edd769db7251bd209445d596..f9d507bf991d52c96a06135c38d82530f672b9e1 100644 (file)
--- a/src/include/gpxe/netdevice.h
+++ b/src/include/gpxe/netdevice.h
@@ -264,6 +264,8 @@ extern void netdev_close ( struct net_device *netdev );
 extern void unregister_netdev ( struct net_device *netdev );
 extern void free_netdev ( struct net_device *netdev );
 struct net_device * find_netdev ( const char *name );
+struct net_device * find_pci_netdev ( unsigned int busdevfn );
+
 extern int net_tx ( struct pk_buff *pkb, struct net_device *netdev,
                    struct net_protocol *net_protocol, const void *ll_dest );
 extern int net_rx ( struct pk_buff *pkb, struct net_device *netdev,

diff --git a/src/net/netdevice.c b/src/net/netdevice.c
index d8de81be81fb83bbf5a76fec14199024a6a1e16e..be3d1ffeeb0742835c2031f28eb7f37e6952594b 100644 (file)
--- a/src/net/netdevice.c
+++ b/src/net/netdevice.c
@@ -313,6 +313,24 @@ struct net_device * find_netdev ( const char *name ) {
        return NULL;
 }
 
+/**
+ * Get network device by PCI bus:dev.fn address
+ *
+ * @v busdevfn         PCI bus:dev.fn address
+ * @ret netdev         Network device, or NULL
+ */
+struct net_device * find_pci_netdev ( unsigned int busdevfn ) {
+       struct net_device *netdev;
+
+       list_for_each_entry ( netdev, &net_devices, list ) {
+               if ( ( netdev->dev->desc.bus_type == BUS_TYPE_PCI ) &&
+                    ( netdev->dev->desc.pci.busdevfn == busdevfn ) )
+                       return netdev;
+       }
+
+       return NULL;    
+}
+
 /**
  * Transmit network-layer packet
  *