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From: "Michael Büsch" <m@bues.ch>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: b43-dev <b43-dev@lists.infradead.org>, linux-wireless@vger.kernel.org
Subject: Can iperf work with no qos? (TCP mode)
Date: Sat, 11 Jun 2011 19:57:21 +0200	[thread overview]
Message-ID: <20110611195721.735dcf4c@maggie> (raw)
In-Reply-To: <BANLkTimaUBe6kszbvSeSPTXR6m1t8C8O-A@mail.gmail.com>

On Sat, 11 Jun 2011 19:47:31 +0200
Rafa? Mi?ecki <zajec5@gmail.com> wrote:

> I can not get any results when trying to use iperf in TCP mode with
> driver not supporting qos.
> 
> Is this expected? Does iperf fill connection with so many packets,
> it's not possible to get response from the iperf receiver? Should not
> Linux somehow schedule packet to allow bi-direction communication,
> even on really filled connection?

iperf will only fill the best effort queue. At least that's what it did
last time when I looked into the code.
You can verify that with b43's ring statistics.

  reply	other threads:[~2011-06-11 17:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-11 17:47 Can iperf work with no qos? (TCP mode) Rafał Miłecki
2011-06-11 17:57 ` Michael Büsch [this message]
2011-06-11 18:05   ` Rafał Miłecki

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