From: Daniele Lacamera <root@danielinux.net>
Date: Tue, 7 Oct 2008 22:58:17 +0000 (-0700)
Subject: tcp: Fix tcp_hybla zero congestion window growth with small rho and large cwnd.
X-Git-Tag: v2.6.27~6^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d2c27e17b7574023b5adb5c6a50d7aaeb915543;p=pandora-kernel.git

tcp: Fix tcp_hybla zero congestion window growth with small rho and large cwnd.

Because of rounding, in certain conditions, i.e. when in congestion
avoidance state rho is smaller than 1/128 of the current cwnd, TCP
Hybla congestion control starves and the cwnd is kept constant
forever.

This patch forces an increment by one segment after #send_cwnd calls
without increments(newreno behavior).

Signed-off-by: Daniele Lacamera <root@danielinux.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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