From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Subject: Re: FW: Submission for S2io 10GbE driver Date: 05 Feb 2004 18:23:50 -0500 Sender: netdev-bounce@oss.sgi.com Message-ID: References: <40220D15.60603@pobox.com> <000001c3ec34$af53b8e0$5d50ff11@S2IOtech.com> <20040205223413.GB2508@cup.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Leonid Grossman , "'Jeff Garzik'" , "'Anton Blanchard'" , "'Andi Kleen'" , netdev@oss.sgi.com, raghava.vatsavayi@s2io.com Return-path: To: Grant Grundler In-Reply-To: <20040205223413.GB2508@cup.hp.com> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org >>>>> "Grant" == Grant Grundler writes: Grant> On Thu, Feb 05, 2004 at 02:09:09PM -0800, Leonid Grossman Grant> wrote: >> So, our ASIC is designed in a way that for a big endian machine the >> swapper control need not be touched, and for little endian box both >> register and DMA accesses have to be configured to swap - it would >> be nice to have the same configuration working on all systems, but >> this did not seem possible. Grant> It's probably not. It sounds like the Tigon2 driver (acenic) Grant> which has similar HW support. You see how endianess is handled Grant> there. Grant, I have a feeling Leonid is fairly familiar with the acenic design ;-) But yes it's very similar, I made the same mistake originally in the acenic driver trying to set different swap modes for little vs big endian. Cheers, Jes