Instead of having to fiddle with em_display_debug_stats,
why not have this configurable per interface with IFF_DEBUG?
OK?
Index: if_em.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_em.c,v
retrieving revision 1.249
diff -p -u -p -u -r1.249 if_em.c
--- if_em.c 13 Feb 2011 19:45:54 -0000 1.249
+++ if_em.c 8 Mar 2011 09:00:22 -0000
@@ -37,15 +37,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <dev/pci/if_em.h>
#include <dev/pci/if_em_soc.h>
-#ifndef SMALL_KERNEL
-#ifdef EM_DEBUG
-/*********************************************************************
- * Set this to one to display debug statistics
- *********************************************************************/
-int em_display_debug_stats = 0;
-#endif
-#endif
-
/*********************************************************************
* Driver version
*********************************************************************/
@@ -1418,7 +1409,7 @@ em_local_timer(void *arg)
#ifndef SMALL_KERNEL
em_update_stats_counters(sc);
#ifdef EM_DEBUG
- if (em_display_debug_stats && ifp->if_flags & IFF_RUNNING)
+ if (ifp->if_flags & IFF_DEBUG && ifp->if_flags & IFF_RUNNING)
em_print_hw_stats(sc);
#endif
#endif
@@ -3211,7 +3202,7 @@ em_update_stats_counters(struct em_softc
#ifdef EM_DEBUG
/**********************************************************************
*
- * This routine is called only when em_display_debug_stats is enabled.
+ * This routine is called only when IFF_DEBUG is enabled.
* This routine provides a way to take a look at important statistics
* maintained by the driver and hardware.
*
