From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>,
brouer@redhat.com, netdev <netdev@vger.kernel.org>
Subject: Re: Regression in mvneta with XDP patches
Date: Mon, 11 Nov 2019 17:12:55 +0200 [thread overview]
Message-ID: <20191111151255.GA3614@apalos.home> (raw)
In-Reply-To: <20191111150907.GD1105@lunn.ch>
On Mon, Nov 11, 2019 at 04:09:07PM +0100, Andrew Lunn wrote:
> > looking at the dts, could you please confirm mvneta is using hw or sw buffer manager
> > on this board? Moreover are you using DSA as well?
>
> So my reply to Ilias answered the first question. And yes, i'm using
> DSA. But that should not matter, mvneta is just receiving frames which
> happen to have an extra header after the two MAC addresses.
>
In theory (famous last words) DSA or not shouldn't be affected by this.
The driver was already allocating a page per packet before our changes.
We just allocate that page via page_pool.
Thanks
/Ilias
prev parent reply other threads:[~2019-11-11 15:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 13:46 Regression in mvneta with XDP patches Andrew Lunn
2019-11-11 14:33 ` Ilias Apalodimas
2019-11-11 15:05 ` Andrew Lunn
2019-11-11 15:14 ` Lorenzo Bianconi
2019-11-11 15:45 ` Andrew Lunn
2019-11-11 15:15 ` Ilias Apalodimas
2019-11-11 14:37 ` Lorenzo Bianconi
2019-11-11 15:09 ` Andrew Lunn
2019-11-11 15:12 ` Ilias Apalodimas [this message]
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