Merge branch 'tcp-min-rtt'

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Yuchung Cheng says:

====================
tcp: do not use RTT from delayed ACKs for min-RTT

This patch set prevents TCP sender from using RTT samples from
(suspected) delayed ACKs as the minimum RTT, to avoid unbounded
over-estimation of the network path delay. This issue is common
when a connection has extended periods of one packet chit-chat
beyond the min RTT filter window. The first patch does that for TCP
general min RTT estimation. The second patch addresses specifically
the BBR congestion control's min RTT filter.
====================

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

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This commit is contained in:

David S. Miller 2018-01-19 15:39:31 -05:00

parent 60c2530696 e42866031f

commit 3c1693f012

3 changed files with 25 additions and 3 deletions

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1

include/net/tcp.h

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3

net/ipv4/tcp_bbr.c

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24

net/ipv4/tcp_input.c

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