From f3335b83d42b328a95f76244329431026e32e779 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Thu, 26 Mar 2009 16:14:24 +0000 Subject: [PATCH] [netdevice] Add debug message for unknown network-layer protocols Suggested-by: Bill Lortz --- src/net/netdevice.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/net/netdevice.c b/src/net/netdevice.c index 9e031497..b24fbfdc 100644 --- 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; }