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authorYuchung Cheng <ycheng@google.com>2013-09-05 15:36:09 -0700
committerDavid S. Miller <davem@davemloft.net>2013-09-06 14:43:49 -0400
commit16edfe7ee02dd7fcc13855ea19158333529533b2 (patch)
treeb6dc03329acf17b760ed4c022e545fe97c1699b2 /COPYING
parent5ffd5cddd4d353fe18c01b89397dcad02035bb95 (diff)
downloadop-kernel-dev-16edfe7ee02dd7fcc13855ea19158333529533b2.zip
op-kernel-dev-16edfe7ee02dd7fcc13855ea19158333529533b2.tar.gz
tcp: fix no cwnd growth after timeout
In commit 0f7cc9a3 "tcp: increase throughput when reordering is high", it only allows cwnd to increase in Open state. This mistakenly disables slow start after timeout (CA_Loss). Moreover cwnd won't grow if the state moves from Disorder to Open later in tcp_fastretrans_alert(). Therefore the correct logic should be to allow cwnd to grow as long as the data is received in order in Open, Loss, or even Disorder state. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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