K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2021-07-14T14:58:33.497305Z
K 7
svn:log
V 542
pf: allow table stats clearing and reading with ruleset rlock

Instead serialize against these operations with a dedicated lock.

Prior to the change, When pushing 17 mln pps of traffic, calling
DIOCRGETTSTATS in a loop would restrict throughput to about 7 mln.  With
the change there is no slowdown.

Reviewed by:	kp (previous version)
Sponsored by:	Rubicon Communications, LLC ("Netgate")

(cherry picked from commit dc1ab04e4c9ede3606985e0cce1200e3060ac166)

Git Hash:   7267f83272b148f8734c0ced0489ff1022c1f68d
Git Author: mjg@FreeBSD.org
END