From: David S. Miller <davem@davemloft.net>
Date: Thu, 25 Jun 2020 23:08:47 +0000 (-0700)
Subject: Merge branch 'tcp_cubic-fix-spurious-HYSTART_DELAY-on-RTT-decrease'
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3b0e7dc0be62c6de0dbda68ac2961f27796919fb;p=linux.git

Merge branch 'tcp_cubic-fix-spurious-HYSTART_DELAY-on-RTT-decrease'

Neal Cardwell says:

====================
tcp_cubic: fix spurious HYSTART_DELAY on RTT decrease

This series fixes a long-standing bug in the TCP CUBIC
HYSTART_DELAY mechanim recently reported by Mirja Kuehlewind. The
code can cause a spurious exit of slow start in some particular
cases: upon an RTT decrease that happens on the 9th or later ACK
in a round trip. This series fixes the original Hystart code and
also the recent BPF implementation.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
---

3b0e7dc0be62c6de0dbda68ac2961f27796919fb