From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751640Ab2GBNjv (ORCPT ); Mon, 2 Jul 2012 09:39:51 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:61795 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750793Ab2GBNjt convert rfc822-to-8bit (ORCPT ); Mon, 2 Jul 2012 09:39:49 -0400 MIME-Version: 1.0 In-Reply-To: <1341229532.29646.39.camel@gurkel.linbit> References: <1340981632.25226.2.camel@gurkel.linbit> <1340982523.21162.1.camel@edumazet-glaptop> <1341229532.29646.39.camel@gurkel.linbit> From: saeed bishara Date: Mon, 2 Jul 2012 16:39:28 +0300 Message-ID: Subject: Re: [RFC] [TCP 0/3] Receive from socket into bio without copying To: Andreas Gruenbacher Cc: Eric Dumazet , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Herbert Xu , "David S. Miller" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 2, 2012 at 2:45 PM, Andreas Gruenbacher wrote: > > We want to go directly to the block layer instead.  This requires that > the network hardware receives the data into sector aligned buffers. > Hence the proposed MSG_NEW_PACKET flag. Andreas, I didn't read your patches, but what are you looking for can't be achieved using "normal" NICs, for that you need to use RDMA protocol with a hardware that supports RDMA. saeed