K 10
svn:author
V 8
hselasky
K 8
svn:date
V 27
2020-12-01T13:03:09.878752Z
K 7
svn:log
V 494
MFC r357294:
Widen EPOCH(9) usage in mlx5en(4).

Make completion event path mostly lockless using EPOCH(9).

Implement a mechanism using EPOCH(9) which allows us to make
the callback path for completion events mostly lockless.

Simplify draining callback events using epoch_wait().

While at it make sure all receive completion callbacks are
covered by the network EPOCH(9), because this is required
when calling if_input() and ether_input() after r357012.

Sponsored by:	Mellanox Technologies

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