Merge branch 'Enhance-current-features-in-ena-driver'

Sameeh Jubran says:

====================
Enhance current features in ena driver

Difference from v2:
* dropped patch "net: ena: move llq configuration from ena_probe to ena_device_init()"
* reworked patch ""net: ena: implement ena_com_get_admin_polling_mode() to drop the prototype

Difference from v1:
* reodered paches #1 and #2.
* dropped adding Rx/Tx drops to ethtool in patch #8

V1:
This patchset introduces the following:
* minor changes to RSS feature
* add total rx and tx drop counter
* add unmask_interrupt counter for ethtool statistics
* add missing implementation for ena_com_get_admin_polling_mode()
* some minor code clean-up and cosmetics
* use SHUTDOWN as reset reason when closing interface
====================

Signed-off-by: David S. Miller <davem@davemloft.net>