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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 5DC96C4338F for ; Tue, 10 Aug 2021 01:03:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B72661004 for ; Tue, 10 Aug 2021 01:03:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236369AbhHJBD2 (ORCPT ); Mon, 9 Aug 2021 21:03:28 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:41086 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234936AbhHJBD0 (ORCPT ); Mon, 9 Aug 2021 21:03:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=a2skypItMYjxMf7QKPuae9KVAaduAHgtSU/HE4kbpHw=; b=zLSVpYJQbrvn6u2i8ma2hSvnVE otL4Y2y6Gdlv04LxWqnLPEVzzyN9xQ9VKtvrPIOV0knHdgKcIOpxoLcsjuQpftOFjYcIDrb0RcgMd zYTdtLIajXD36msaJmihVjZNFIGvjnDLJZocowXAIufuCq5dzIKnDhEsh4RL8Z+uf/FY=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1mDGAZ-00Go4K-FK; Tue, 10 Aug 2021 03:03:03 +0200 Date: Tue, 10 Aug 2021 03:03:03 +0200 From: Andrew Lunn To: Vladimir Oltean Cc: netdev@vger.kernel.org, Jakub Kicinski , "David S. Miller" , Florian Fainelli , Vivien Didelot , Vladimir Oltean , Linus Walleij , DENG Qingfang , John Crispin , Sean Wang , Landen Chao Subject: Re: [RFC PATCH net-next 2/4] net: dsa: create a helper which allocates space for EtherType DSA headers Message-ID: References: <20210809115722.351383-1-vladimir.oltean@nxp.com> <20210809115722.351383-3-vladimir.oltean@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210809115722.351383-3-vladimir.oltean@nxp.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Aug 09, 2021 at 02:57:20PM +0300, Vladimir Oltean wrote: > Hide away the memmove used by DSA EtherType header taggers to shift the > MAC SA and DA to the left to make room for the header, after they've > called skb_push(). The call to skb_push() is still left explicit in > drivers, to be symmetric with dsa_strip_etype_header, and because not > all callers can be refactored to do it (for example, brcm_tag_xmit_ll > has common code for a pre-Ethernet DSA tag and an EtherType DSA tag). > > Signed-off-by: Vladimir Oltean Reviewed-by: Andrew Lunn Andrew