From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [PATCH v3 3/4] USBNET: support DMA SG Date: Tue, 06 Aug 2013 14:08:07 +0200 Message-ID: <1375790887.1676.22.camel@linux-fkkt.site> References: <1375750370-18194-1-git-send-email-ming.lei@canonical.com> <1375750370-18194-4-git-send-email-ming.lei@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Greg Kroah-Hartman , Sarah Sharp , netdev@vger.kernel.org, linux-usb@vger.kernel.org, Eric Dumazet , Ben Hutchings , Grant Grundler , Freddy Xin , Alan Stern To: Ming Lei Return-path: Received: from cantor2.suse.de ([195.135.220.15]:40228 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756083Ab3HFMIM (ORCPT ); Tue, 6 Aug 2013 08:08:12 -0400 In-Reply-To: <1375750370-18194-4-git-send-email-ming.lei@canonical.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 2013-08-06 at 08:52 +0800, Ming Lei wrote: > This patch introduces support of DMA SG if the USB host controller > which usbnet device is attached to is capable of building packet from > discontinuous buffers. > > The patch supports passing the skb fragment buffers to usb stack directly > via urb->sg. > > Cc: Eric Dumazet > Cc: Ben Hutchings > Cc: Grant Grundler > Cc: Freddy Xin > Cc: Oliver Neukum > Cc: Alan Stern > Signed-off-by: Ming Lei Acked-by: Oliver Neukum