e1000: 3 new driver stats for managability testing

Add 3 extra packet redirect counters for tracking purposes to make sure
we can test that all packets arrive properly.

Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>,
rewritten to use feature flags by me.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 3f40a902de64..b06b51a55276 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3743,6 +3743,13 @@ e1000_update_stats(struct e1000_adapter *adapter)
                         adapter->phy_stats.receive_errors += phy_tmp;
         }
 
+        /* Management Stats */
+        if (adapter->hw.has_smbus) {
+                adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
+                adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
+                adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
+        }
+
         spin_unlock_irqrestore(&adapter->stats_lock, flags);
 }
 #ifdef CONFIG_PCI_MSI