[PATCH] ixgb: Fix Broadcast/Multicast packets received statistics

Fix Broadcast/Multicast packets received statistics

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index d1fc431..d7a0f4e 100644 (file)
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1524,7 +1524,8 @@ ixgb_update_stats(struct ixgb_adapter *adapter)
 
                multi |= ((u64)IXGB_READ_REG(&adapter->hw, MPRCH) << 32);
                /* fix up multicast stats by removing broadcasts */
-               multi -= bcast;
+               if(multi >= bcast)
+                       multi -= bcast;
                
                adapter->stats.mprcl += (multi & 0xFFFFFFFF);
                adapter->stats.mprch += (multi >> 32);