From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65554C43381 for ; Fri, 1 Mar 2019 20:00:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A02120848 for ; Fri, 1 Mar 2019 20:00:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726232AbfCAUAu (ORCPT ); Fri, 1 Mar 2019 15:00:50 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:57140 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726127AbfCAUAu (ORCPT ); Fri, 1 Mar 2019 15:00:50 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::cf9]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 6FCEF1000138D; Fri, 1 Mar 2019 12:00:49 -0800 (PST) Date: Fri, 01 Mar 2019 12:00:48 -0800 (PST) Message-Id: <20190301.120048.1623143200791712278.davem@davemloft.net> To: jakub.kicinski@netronome.com Cc: netdev@vger.kernel.org, oss-drivers@netronome.com Subject: Re: [PATCH net-next 0/5] nfp: control processor DMA support and RJ45 From: David Miller In-Reply-To: <20190227041933.15194-1-jakub.kicinski@netronome.com> References: <20190227041933.15194-1-jakub.kicinski@netronome.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 01 Mar 2019 12:00:49 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jakub Kicinski Date: Tue, 26 Feb 2019 20:19:28 -0800 > This series starts with adding support for reporting twisted pair > media type in ethtool. > > Remaining patches add support for using DMA with the control/service > processor. Currently we always copy the command data into card's > memory. DMA support allows us to have the NSP read the data from > host memory by itself. Unfortunately, the FW loading and flashing > cannot directly map the buffers for DMA because (a) the firmware > ABI returns const buffers, and (b) the buffers may be vmalloc()ed > in many mysterious/unmappable way. So just bite the bullet - > allocate new host buffer for the command and copy. > > As Dirk explains, the NSP now supports updating all FWs at once > which means the max flashing time grew significantly. He bumps > the max wait to avoid timeouts. Series applied, thanks Jakub.