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pf: Add static DTrace probe points

Description

pf: Add static DTrace probe points

These two have proven to be useful during debugging. We may as well keep
them permanently.
Others will be added as their utility becomes clear.

Reviewed by: gnn
MFC after: 2 weeks
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D29555

(cherry picked from commit f4c02909167b6f791df470afddfe31cabf009c4d)

Details

Provenance
kpAuthored on Apr 2 2021, 1:53 PM
Reviewer
gnn
Differential Revision
D29555: pf: Add static DTrace probe points
Parents
rG41063b40168b: pf: change pf_route so pf only runs when packets enter and leave the stack.
Branches
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Tags
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