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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 67C1BC433E1 for ; Tue, 26 May 2020 00:46:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 552E9206B6 for ; Tue, 26 May 2020 00:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728404AbgEZAqm (ORCPT ); Mon, 25 May 2020 20:46:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbgEZAql (ORCPT ); Mon, 25 May 2020 20:46:41 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51011C061A0E for ; Mon, 25 May 2020 17:46:41 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (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 410E912793A96; Mon, 25 May 2020 17:46:40 -0700 (PDT) Date: Mon, 25 May 2020 17:46:39 -0700 (PDT) Message-Id: <20200525.174639.246772802390623485.davem@davemloft.net> To: sven.auhagen@voleatech.de Cc: netdev@vger.kernel.org, thomas.petazzoni@bootlin.com, brouer@redhat.com, ilias.apalodimas@linaro.org, matteo.croce@redhat.com, mw@semihalf.com, jakub.kicinski@netronome.com Subject: Re: [PATCH 1/1] MVNETA_SKB_HEADROOM set last 3 bits to zero From: David Miller In-Reply-To: <20200523101408.s7upzn62ihjy3pgy@SvensMacBookAir.sven.lan> References: <20200523101408.s7upzn62ihjy3pgy@SvensMacBookAir.sven.lan> X-Mailer: Mew version 6.8 on Emacs 26.3 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]); Mon, 25 May 2020 17:46:40 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sven Auhagen Date: Sat, 23 May 2020 12:14:08 +0200 > For XDP the MVNETA_SKB_HEADROOM is used as an offset for > the received data. > The MVNETA manual states that the last 3 bits assumed to be 0. > > This is currently the case but lets make it explicit in the definition > to prevent future problems. > > Signed-off-by: Sven Auhagen Applied with "mvneta: " added to the Subject line as a proper prefix.