From patchwork Wed Jan 27 20:52:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Horatiu Vultur X-Patchwork-Id: 372181 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 9B020C433DB for ; Wed, 27 Jan 2021 20:56:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6363D64D9A for ; Wed, 27 Jan 2021 20:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233634AbhA0Uzg (ORCPT ); Wed, 27 Jan 2021 15:55:36 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:55542 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233586AbhA0UzU (ORCPT ); Wed, 27 Jan 2021 15:55:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1611780920; x=1643316920; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4l7QtdDF30xMuMl5WJwjk9QOHeOUIvPqe++9uZvWWQ4=; b=gT4Fs5v+g3qc4VPe587mo6HC72fZaVhfdBjkcg9A1Qj7bqNbITbs+inU bb8hqxSudXaS4shCnImqLP+34tZfnJRBR08t3Mf4Zp0o7JuYwZTN5YG3S vhBcRrczaXHlmYRdcZx6bhHWM7n2s1hTIyQpyWHt8RfMXl6BptIoCKpiP 2Uo1WPjm1lLvgX5Pi07mPGSmsl1HlzLrk1K45bsp1+tWO/ltMHnFfeZEC AZfgf6nhV4qYAUxCyJTRuAqlJhuP7iSrbSosXcIGA41cVJuGQ3h//30rL DPiGOwSfWckKd00XevbXYHTVsibYF4anKRjoJvwZnKl54lz7mgeM80by+ A==; IronPort-SDR: ovy3c0dmtRwYTZo0ZxQWJRKhoBaNXy0J9xj725GGN99/o3jcMr0B9qwK3BpIGvoeKZ1VpeXD/2 P/LuVqdAVslbtp0QeRe1wZwlo7m32s7qWH0tfE7NUZt2ANQGIaw4aR1PEqD25fqfnwiuSn25aW L47qK+Nmv65uCKxVyUX0ponve+MuPj1/WtUxF3/9U5/ljBDfX0/X5K+fRGWDjQA/lqsR9vfskH 2eY9Q4KRx1BSc0IMUQScFLrkitdgQ0HtQ5n4x0WyfXse9zyugFtsWwuYP8tb/G8T/lD3sjtrBA dT0= X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="112760419" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 27 Jan 2021 13:54:04 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 27 Jan 2021 13:54:04 -0700 Received: from soft-dev3.localdomain (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 27 Jan 2021 13:54:02 -0700 From: Horatiu Vultur To: , , , , , , , , , , CC: Horatiu Vultur Subject: [PATCH net-next v2 2/4] bridge: mrp: Add 'enum br_mrp_hw_support' Date: Wed, 27 Jan 2021 21:52:39 +0100 Message-ID: <20210127205241.2864728-3-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210127205241.2864728-1-horatiu.vultur@microchip.com> References: <20210127205241.2864728-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add the enum br_mrp_hw_support that is used by the br_mrp_switchdev functions to allow the SW to detect the cases where HW can't implement the functionality or when SW is used as a backup. Signed-off-by: Horatiu Vultur --- net/bridge/br_private_mrp.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h index 1883118aae55..31e666ae6955 100644 --- a/net/bridge/br_private_mrp.h +++ b/net/bridge/br_private_mrp.h @@ -46,6 +46,20 @@ struct br_mrp { struct rcu_head rcu; }; +/* This type is returned by br_mrp_switchdev functions that allow to have a SW + * backup in case the HW can't implement completely the protocol. + * BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops + * configuring the node anymore. + * BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP + * frames to CPU. + * BR_MRP_HW - the HW can implement completely the protocol. + */ +enum br_mrp_hw_support { + BR_MRP_NONE, + BR_MRP_SW, + BR_MRP_HW, +}; + /* br_mrp.c */ int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance); int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);