Matt Joras 5fb246b019 Implement duplicate packet stat. ...

Summary:
Somehow we never implemented this stat despite having it for ages.

It's relatively easy to do, we just need to check whether an entry was inserted to the IntervalSet we are already using for tracking what to ACK.

Note that this has the limitation that when the ACK interval set is cleared out (on ACK of ACK), we will no longer be able to detect duplicates. This is something we can tune later.

Reviewed By: kvtsoy

Differential Revision: D45131856

fbshipit-source-id: aad4e07e1a9cd5b2dc5dec60424f7cee15906c7e

2023-04-20 11:48:45 -07:00

48 KiB

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