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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT 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 36E8BC43613 for ; Mon, 24 Jun 2019 14:26:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 02FF6208E4 for ; Mon, 24 Jun 2019 14:26:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="v79fJ+CG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728664AbfFXO0b (ORCPT ); Mon, 24 Jun 2019 10:26:31 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:53612 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726263AbfFXO0b (ORCPT ); Mon, 24 Jun 2019 10:26:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=N5N6f9ldaRZVCwiVvBP9WWU3rYbAdzLFROiOxUyweJg=; b=v79fJ+CGdaLUV1/cBB/sRLTk9L 4rfzsWfmoOX/OPvFugF8ZIDfiLiCFEc7W2S+tcAbv1bwlwuBbZU1zL+Erwq+xQIxzc3YqhAAOOrjS YHfzlIW7yPBmE2yKC6l1g1MdgFbQyLLtlTk/rb/mX01M9qJC2ru3PDYVb1ToXrk1lsmw=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hfPvN-0005nr-N6; Mon, 24 Jun 2019 16:26:25 +0200 Date: Mon, 24 Jun 2019 16:26:25 +0200 From: Andrew Lunn To: Alexandre Belloni Cc: Claudiu Manoil , "David S . Miller" , "devicetree@vger.kernel.org" , "netdev@vger.kernel.org" , Alexandru Marginean , "linux-kernel@vger.kernel.org" , "UNGLinuxDriver@microchip.com" , Allan Nielsen , Rob Herring , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH net-next 4/6] arm64: dts: fsl: ls1028a: Add Felix switch port DT node Message-ID: <20190624142625.GR31306@lunn.ch> References: <1561131532-14860-1-git-send-email-claudiu.manoil@nxp.com> <1561131532-14860-5-git-send-email-claudiu.manoil@nxp.com> <20190621164940.GL31306@lunn.ch> <20190624115558.GA5690@piout.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190624115558.GA5690@piout.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > Yeah, there are 2 ethernet controller ports (managed by the enetc driver) > > connected inside the SoC via SGMII links to 2 of the switch ports, one of > > these switch ports can be configured as CPU port (with follow-up patches). > > > > This configuration may look prettier on DSA, but the main restriction here > > is that the entire functionality is provided by the ocelot driver which is a > > switchdev driver. I don't think it would be a good idea to copy-paste code > > from ocelot to a separate dsa driver. > > > > We should probably make the ocelot driver a DSA driver then... Hi Claudiu, Alexandre An important part of DSA is being able to direct frames out specific ports when they ingress via the CPU port. Does the silicon support this? At the moment, i think it is using polled IO. Andrew