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Message-ID: <f78dea61807e7816810254225d1c15429419972f.camel@sipsolutions.net>
Subject: Re: debugging TXQs being empty
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Koen Vandeputte <koen.vandeputte@ncentric.com>,
        Kan Yan <kyan@google.com>
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        linux-wireless <linux-wireless@vger.kernel.org>
Date:   Fri, 06 Dec 2019 11:23:28 +0100
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On Fri, 2019-12-06 at 11:22 +0100, Koen Vandeputte wrote:
> 
> > No, that all seems well. Without TSO (with the trivial mac80211 patch to
> > let me turn it off with ethtool) I get about 890Mbps, so about 5% less.
> > That's not actually *that* bad, I guess due to software A-MSDU in
> > mac80211, but it's not really the right direction :)
> If you try this test again while setting coverage class higher (20000m 
> or so), you *will* notice the difference a *lot* more (>50%) :-)
> Even when the actual devices are only a few meters apart.

Heh, yeah, I guess that makes some sense. Our device doesn't let you set
that though, I think.

johannes