Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1176610ybi; Thu, 30 May 2019 12:53:55 -0700 (PDT) X-Google-Smtp-Source: APXvYqx/md5VTKkKsjNOD7r00Bvc9xLAlaa3HhEKY5W7oM1cw0I7mzAAV9+rU9uAebwj6IWj2r59 X-Received: by 2002:a17:902:9a07:: with SMTP id v7mr5181126plp.180.1559246035564; Thu, 30 May 2019 12:53:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559246035; cv=none; d=google.com; s=arc-20160816; b=ljwbxPaZnxw1PuGYPPfHSSbOdYK0GFAL2OvBS+v5KNEIhJwBo637I7A5/QtPFGgNWn 4vPjTxyj3vED3hwZxBBXqtpEGGF+UVo8DLYePGOUJEDotpf7zVRmSUUr0ewZdeHgSgQg CGfg+TRCc+2t2rjZx0sgqHRpfSElqXQR2WzwcatYIVHLhDWihlv8mZ3X1rULRx8WSH7+ YifG8EdVD7KX4k30nxiy1dO6iwuqpgqGM9+M9uB5pcFhpHJqJT56ve3R4wzyDIxbwuhu FzdJR51w8fLvoBQXRpcNUQN6mZgt5ZlnOYgjeVhog1ooPjbmVs4K/VE2HH+1shIoY7xF T5AA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=CgHiwm4IzFPP4d2J6ruLrmbMhXVfn/sBFy+zx+CDfN0=; b=HdPxa8a7lt2MGIR1cupYMHQiyT7RpUSjhXWQY+U3jqVSQD/rBSrOAQXUqUbIOPZP3R gw+jrgQN0FuheY6+VPvlkMUxTtAPxhX74i0vtC7Bw3sXYRkIW9Lg5IJzQyTwaLhUscEa yXO4K4WS83xetBDSNRiGpDar71bSZ5Sv/m/eJAQ/jOKHpx/ODtudM6RX0W+mg0X7hYp9 Nunpi5lXEkb2GitgbUM1fasm1pvLHdAwOGqDdK7mjoDQx5+b8cYSDBX2DkiBvW++6lLt Y4Wc5yUMvR4U9FMyczMs6IboFBLJzDzWLgWMS/Ru/L+BzcmHgFtyi3B91hovqMzAUlLa UYLg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z135si3897438pgz.190.2019.05.30.12.53.38; Thu, 30 May 2019 12:53:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726328AbfE3Tw2 (ORCPT + 99 others); Thu, 30 May 2019 15:52:28 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:59248 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725961AbfE3Tw2 (ORCPT ); Thu, 30 May 2019 15:52:28 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::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 2211E14DA9761; Thu, 30 May 2019 12:52:27 -0700 (PDT) Date: Thu, 30 May 2019 12:52:26 -0700 (PDT) Message-Id: <20190530.125226.748439790590538564.davem@davemloft.net> To: jakub.kicinski@netronome.com Cc: horatiu.vultur@microchip.com, alexandre.belloni@bootlin.com, UNGLinuxDriver@microchip.com, robh+dt@kernel.org, mark.rutland@arm.com, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, linux-mips@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH net-next v2 2/2] net: mscc: ocelot: Hardware ofload for tc flower filter From: David Miller In-Reply-To: <20190529151802.19aa82a2@cakuba.netronome.com> References: <1559125580-6375-1-git-send-email-horatiu.vultur@microchip.com> <1559125580-6375-3-git-send-email-horatiu.vultur@microchip.com> <20190529151802.19aa82a2@cakuba.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]); Thu, 30 May 2019 12:52:27 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jakub Kicinski Date: Wed, 29 May 2019 15:18:44 -0700 > On Wed, 29 May 2019 12:26:20 +0200, Horatiu Vultur wrote: >> +static int ocelot_flower_replace(struct tc_cls_flower_offload *f, >> + struct ocelot_port_block *port_block) >> +{ >> + struct ocelot_ace_rule *rule; >> + int ret; >> + >> + if (port_block->port->tc.block_shared) >> + return -EOPNOTSUPP; > > FWIW since you only support TRAP and DROP actions here (AFAICT) you > should actually be okay with shared blocks. The problems with shared > blocks start when the action is stateful (like act_police), because we > can't share that state between devices. But for most actions which just > maintain statistics, it's fine to allow shared blocks. HTH Please update to remove this test Horatiu, thanks.