From: Sascha Hauer <s.hauer@pengutronix.de>
To: robert.jarzmik@free.fr
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] net: smc1111: fix memory congestions
Date: Tue, 6 Jan 2015 14:58:45 +0100 [thread overview]
Message-ID: <20150106135845.GH17225@pengutronix.de> (raw)
In-Reply-To: <1822252708.362857815.1420474608722.JavaMail.root@zimbra1-e1.priv.proxad.net>
On Mon, Jan 05, 2015 at 05:16:48PM +0100, robert.jarzmik@free.fr wrote:
>
> ----- Mail original -----
> De: "Sascha Hauer" <s.hauer@pengutronix.de>
> À: "Robert Jarzmik" <robert.jarzmik@free.fr>
> Cc: barebox@lists.infradead.org
> Envoyé: Lundi 5 Janvier 2015 13:11:50
> Objet: Re: [PATCH] net: smc1111: fix memory congestions
>
> > I don't know the hardware (not anymore, fortunately ;), but isn't it
> > possible to dedicate one bucket for transmitting only, so that it will
> > never be occupied by a received packet?
> None I'm aware of.
> I've been through the specification many times, and my understanding is
> that :
> - the MMU allocation is symmetric (either from CPU for TX or from NIC
> for RX)
> - there is no configurable threshold or limit
> - first customer is first served from the MMU point of view
Ok then, applied.
Sascha
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next prev parent reply other threads:[~2015-01-06 13:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-01 20:04 [PATCH] commands: loady: fix bug with netconsole Robert Jarzmik
2015-01-01 20:04 ` [PATCH] net: smc1111: fix memory congestions Robert Jarzmik
2015-01-05 12:11 ` Sascha Hauer
2015-01-05 16:16 ` robert.jarzmik
2015-01-06 13:58 ` Sascha Hauer [this message]
2015-01-01 20:04 ` [PATCH] net: smc1111: move print_packet function Robert Jarzmik
2015-01-05 12:12 ` Sascha Hauer
2015-01-05 12:12 ` [PATCH] commands: loady: fix bug with netconsole Sascha Hauer
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