--- a/c/src/lib/libbsp/arm/nds/wifi/wifi.c	2008-04-16 20:37:33.000000000 +0200
+++ b/c/src/lib/libbsp/arm/nds/wifi/wifi.c	2009-05-09 09:39:44.000000000 +0200
@@ -175,7 +175,7 @@
       eh = mtod (m, struct ether_header *);
       m->m_data += sizeof (struct ether_header);
       m->m_len = m->m_pkthdr.len = m->m_len - sizeof (struct ether_header);
-
+	m = m_pullup(m,20);
       /* push the packet into the stack */
       ether_input (ifp, eh, m);
     }