From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y8Uf5-0004UW-Is for barebox@lists.infradead.org; Tue, 06 Jan 2015 13:59:08 +0000 Date: Tue, 6 Jan 2015 14:58:45 +0100 From: Sascha Hauer Message-ID: <20150106135845.GH17225@pengutronix.de> References: <20150105121150.GC4544@pengutronix.de> <1822252708.362857815.1420474608722.JavaMail.root@zimbra1-e1.priv.proxad.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1822252708.362857815.1420474608722.JavaMail.root@zimbra1-e1.priv.proxad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] net: smc1111: fix memory congestions To: robert.jarzmik@free.fr Cc: barebox@lists.infradead.org On Mon, Jan 05, 2015 at 05:16:48PM +0100, robert.jarzmik@free.fr wrote: > = > ----- Mail original ----- > De: "Sascha Hauer" > =C0: "Robert Jarzmik" > Cc: barebox@lists.infradead.org > Envoy=E9: 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 -- = Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox