[dhcpmon] Add packet event quiescing - #91

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Xichen96 wants to merge 15 commits into

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Xichen96:dev/xichenlin/quiesce-packet-events

Commits on Jul 25, 2026

[dhcpmon]: Add packet event quiescing
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b43797b
[dhcpmon]: Harden packet event resume
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e3da99c

Commits on Jul 26, 2026

[dhcpmon]: Guard packet event suspension
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2695373
[dhcpmon]: Reject unknown packet event tags
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a53f47c
[dhcpmon]: Wait for in-flight packet callbacks
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9fb9cd6
[dhcpmon]: Avoid implicit event tag creation
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7175f81
[dhcpmon]: Avoid blocking callbacks during quiesce
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9d0ee6a
[dhcpmon]: Keep event cleanup idempotent
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55a9104
[dhcpmon]: Synchronize counter sampling and updates
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ed1661f
[dhcpmon]: Guarantee counter writer progress
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d87d651
[dhcpmon]: Block packet callbacks without spinning
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b340941
[dhcpmon]: Keep packet callback fast path lock-free
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626180a
[dhcpmon]: Write DB counters from a stable snapshot
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b388c36
[dhcpmon]: Skip unknown counter snapshot sockets
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c576bf9
[dhcpmon]: Propagate packet event suspend failures
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c447b5d