Re: [PATCH v4 3/3] tcp: early retransmit: delayed fast retransmit

[David Miller <davem@xxxxxxxxxxxxx>]

From: Yuchung Cheng <ycheng@xxxxxxxxxx>
Date: Wed,  2 May 2012 16:30:04 -0700

> Implementing the advanced early retransmit (sysctl_tcp_early_retrans==2).
> Delays the fast retransmit by an interval of RTT/4. We borrow the
> RTO timer to implement the delay. If we receive another ACK or send
> a new packet, the timer is cancelled and restored to original RTO
> value offset by time elapsed.  When the delayed-ER timer fires,
> we enter fast recovery and perform fast retransmit.
> 
> Signed-off-by: Yuchung Cheng <ycheng@xxxxxxxxxx>

Applied.
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