Enable Tx drops reporting in the ENA driver
Tx drops statistics are fetched from HW every ena_keepalive_wd() call
and are observable using one of the commands:
- sysctl dev.ena.0.hw_stats.tx_drops
- netstat -I ena0 -d
Submitted by: Maciej Bielski <mba@semihalf.com>
Obtained from: Semihalf
Sponsored by: Amazon, Inc.