net: ena: update driver's rx drop statistics

rx drop counter is reported by the device in the keep-alive
event.
update the driver's counter with the device counter.

Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Netanel Belgazal 2017-06-23 11:21:59 +03:00 • committed by David S. Miller
commit 11a9a46019