From: Ben Greear <greearb@candelatech.com>
To: Antonis Hadjiantonis <contact@antonis.mobi>
Cc: linux-wireless@vger.kernel.org
Subject: Re: ath9k rate control statistics not updated for UDP
Date: Mon, 11 Jun 2012 10:52:56 -0700 [thread overview]
Message-ID: <4FD63078.9000808@candelatech.com> (raw)
In-Reply-To: <loom.20120611T152810-2@post.gmane.org>
On 06/11/2012 06:37 AM, Antonis Hadjiantonis wrote:
> I am using iperf to test rate control algorithms (use default:minstrel_ht) on an
> ath9k device (WRT160NL OpenWRT Backfire 10.3.1 r29592).
> When I use UDP traffic over an 802.11g connection, the rcstat file is not
> updated. Not sure if the rate control algoritmh works during the process.
> If I use TCP traffic, rcstat is updated and statistics/rate change accordingly.
>
> Is this the correct behaviour of minstrel RC? I went through documentation
> regarding MRR and retransmission bounds but wasn't able to figure it out. Any
> one noticed something similar?
Your UDP traffic may be completely uni-directional, so no packets
are ever received. Maybe try setting up a bi-directional traffic
flow?
Ben
>
> Thanks in advance,
> Antonis
>
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--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2012-06-11 17:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-11 13:37 ath9k rate control statistics not updated for UDP Antonis Hadjiantonis
2012-06-11 17:52 ` Ben Greear [this message]
2012-06-12 10:17 ` Antonis Hadjiantonis
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