Merge branch 'tcp_bbr-PROBE_RTT-minor-bug-fixes'

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Kevin Yang says:

====================
tcp_bbr: PROBE_RTT minor bug fixes

This series includes two minor bug fixes for the TCP BBR PROBE_RTT
mechanism, and one preparatory patch:

(1) A preparatory patch to reorganize the PROBE_RTT logic by refactoring
    (into its own function) the code to exit PROBE_RTT, since the next
    patch will be using that code in a new context.

(2) Fix: When BBR restarts from idle and if BBR is in PROBE_RTT mode,
    BBR should check if it's time to exit PROBE_RTT. If yes, then BBR
    should exit PROBE_RTT mode and restore the cwnd to its full value.

(3) Fix: Apply the PROBE_RTT cwnd cap even if the count of fully-ACKed
    packets is 0.
====================

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

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David S. Miller 2018-08-22 21:45:32 -07:00

parent 431280eebe 8e995bf14f

commit 12a7f8696b

1 changed files with 24 additions and 18 deletions

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net/ipv4/tcp_bbr.c

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