From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lennert Buytenhek Subject: Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR Date: Tue, 8 May 2007 14:59:21 +0200 Message-ID: <20070508125921.GA32669@xi.wantstofly.org> References: <5BB7E1AB-5CE1-43C8-8CE3-E0DE0236BD09@cam.ac.uk> <86D26EBE-5899-468F-9C79-23E83E0DE04B@cam.ac.uk> <20070508113232.GA32055@xi.wantstofly.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Krzysztof Halasa , Michael-Luke Jones , Jeff Garzik , netdev@vger.kernel.org, lkml , Russell King , ARM Linux Mailing List To: Alexey Zaytsev Return-path: Received: from alephnull.demon.nl ([83.160.184.112]:50080 "EHLO xi.wantstofly.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934528AbXEHM7Y (ORCPT ); Tue, 8 May 2007 08:59:24 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, May 08, 2007 at 04:47:31PM +0400, Alexey Zaytsev wrote: > > As with Christian's driver, I don't know whether an SRAM allocator > > makes much sense. We can just set up a static allocation map for the > > in-tree drivers and leave out the allocator altogether. I.e. I don't > > think it's worth the complexity (and just because the butt-ugly Intel > > code has an allocator isn't a very good reason. :-) > > Is the qmgr used when the NPEs are utilized as DMA engines? I'm not sure, but probably yes. > And is the allocator needed in this case? If you statically partition the available queue SRAM, no.