e1000: add queue restart counter

Add a netif_wake/start_queue counter to the ethtool statistics to indicated
to the user that their transmit ring could be too small for their workload.

Signed-off-by: Jesse brandeburg <jesse.brandeburg@intel.com>
Cc: Jamal Hadi <hadi@cyberus.ca>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 3f0be02e85e2..896ea8a72386 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -265,6 +265,7 @@ struct e1000_adapter {
 
         /* TX */
         struct e1000_tx_ring *tx_ring;      /* One per active queue */
+        unsigned int restart_queue;
         unsigned long tx_queue_len;
         uint32_t txd_cmd;
         uint32_t tx_int_delay;