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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

Details

Provenance
kpAuthored on Apr 2 2021, 1:53 PM
Reviewer
gnn
Differential Revision
D29555: pf: Add static DTrace probe points
Parents
R10:829a69db855b: 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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