ena: Add rx_overruns to keep alive desc and admin stats
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Authored by osamaabb_amazon.com on Aug 20 2024, 8:45 AM.

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cperciva

Summary

This commit introduces two rx_overrun stats to both aenq_keep_alive_desc
and ena_admin_basic_stats structs.
The new statistics notify about RX drops that happen when
RX ring doesn't have enough buffers available and count RX drops
due to insufficient buffers provided by host respectively.

Approved by: cperciva
MFC after: 2 weeks
Sponsored by: Amazon, Inc.