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Merge branch 'mptcp-rtx-timer'
Paolo Abeni says:
====================
mptcp: fix 3rd ack rtx timer
Eric noted that the MPTCP code do the wrong thing to schedule
the MPJ 3rd ack timer. He also provided a patch to address the
issues (patch 1/2).
To fix for good the MPJ 3rd ack retransmission timer, we additionally
need to set it after the current ack is transmitted (patch 2/2)
Note that the bug went unnotice so far because all the related
tests required some running data transfer, and that causes
MPTCP-level ack even on the opening MPJ subflow. We now have
explicit packet drill coverage for this code path.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>