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Differential D43653

tcp: ensure tcp_sack_partialack does not inflate cwnd after RTO
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Authored by rscheff on Jan 29 2024, 7:19 PM.
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transport
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rG23c4f232478a: tcp: ensure tcp_sack_partialack does not inflate cwnd after RTO
Summary

The implicit assumption of snd_nxt always being larger than
snd_recover is not true after RTO. If that happens, cwnd
would get inflated to ssthresh, which may be much larger
than the current pipe (data in flight).

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rG FreeBSD src repository
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Buildable 55692
Build 52581: arc lint + arc unit

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sys/
netinet/
13 lines

Diff 133527

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sys/netinet/tcp_sack.c

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