tree c3729cc46038a0c8d47f63414e58632b5b63cd96
parent eac5c8ff4dd0f5f02d5c00fde572bf7bb70dc606
author Alessandro Ghedini <alessandro@ghedini.me> 1574865364 +0000
committer Alessandro Ghedini <alessandro@ghedini.me> 1575304674 +0000

recovery: slightly optimize detection of duplicate acks

This is a slight optimization to avoid BTreeMap lookups when a packet is
clearly not newly acked.