--- upstream/dynamips-0.2.7-RC1/net_io_filter.h	2007/10/06 16:23:47	7
+++ upstream/dynamips-0.2.7-RC2/net_io_filter.h	2007/10/06 16:24:54	8
@@ -20,10 +20,12 @@
 #define NETIO_FILTER_DIR_TX  1
 #define NETIO_FILTER_DIR_BOTH 2 
 
+#ifdef GEN_ETH
 struct netio_filter_capture {
    pcap_t *desc;
    pcap_dumper_t *dumper;
 };
+#endif
 
 /* Find a filter */
 netio_pktfilter_t *netio_filter_find(char *name);