[netdevice] Add debug message for unknown network-layer protocols

Suggested-by: Bill Lortz <Bill.Lortz@premier.org>

diff --git a/src/net/netdevice.c b/src/net/netdevice.c
index 9e03149..b24fbfd 100644 (file)
--- a/src/net/netdevice.c
+++ b/src/net/netdevice.c
@@ -533,10 +533,12 @@ int net_rx ( struct io_buffer *iobuf, struct net_device *netdev,
 
        /* Hand off to network-layer protocol, if any */
        for_each_table_entry ( net_protocol, NET_PROTOCOLS ) {
-               if ( net_protocol->net_proto == net_proto ) {
+               if ( net_protocol->net_proto == net_proto )
                        return net_protocol->rx ( iobuf, netdev, ll_source );
-               }
        }
+
+       DBGC ( netdev, "NETDEV %p unknown network protocol %04x\n",
+              netdev, ntohs ( net_proto ) );
        free_iob ( iobuf );
        return 0;
 }