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tcp rack: improve handling of front states

Description

tcp rack: improve handling of front states

When the RACK stack wants to send a FIN, but still has outstanding
or unsent data, it sends a challenge ack. Don't do this when the
TCP endpoint is still in the front states, since it does not
make sense.
Reviewed by: rrs
MFC after: 3 days
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D45122

Details

Provenance
tuexenAuthored on May 11 2024, 2:28 PM
Reviewer
rrs
Differential Revision
D45122: tcp rack: do not send a challenge ack in the front stages
Parents
rGc1ebd76c3f28: arm64: add page-to-pte convenience macros
Branches
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Tags
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