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Ensure cwnd doesn't shrink to zero with PRR
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Authored by rscheff on Feb 18 2021, 7:59 PM.

Details

Summary

Under some circumstances, PRR may end up with a fully
collapsed cwnd when finalizing the loss recovery.

Also, in case PRR is working against an empty scoreboard,
a possibilty for an integer overflow exists. Performing
signed arithmetics to address a possible sudden jump of cwnd.

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Repository
rG FreeBSD src repository
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