From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 23474A0032; Fri, 1 Oct 2021 11:32:49 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A247C4067A; Fri, 1 Oct 2021 11:32:48 +0200 (CEST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by mails.dpdk.org (Postfix) with ESMTP id D076B40040 for ; Fri, 1 Oct 2021 11:32:47 +0200 (CEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.nyi.internal (Postfix) with ESMTP id 771375C00CF; Fri, 1 Oct 2021 05:32:47 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Fri, 01 Oct 2021 05:32:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=fm2; bh= cS+bjrcfWirxu1HHJFYegO/ZLPKVtibkAC4jl6bBVZY=; b=gP9YhG1OltX4I7pM r0qfuyaf0bNQEoALicuVDXSDCSVSnJ9R50XffkbM8QxIRagOhyH/DU+c9n9MObah FEdF6+8W7ztf9ocfWJmbAo349LlCDswVulphqfkhTV0GVokyz681vfZ8bfc9TBzW s3jLlFGS/lRkFclJ5s8mjAJe7J4KkZYEzafWyQeez1Sa60QGw2FtycDzWSeP5ZNF wepyexuwgYIlmGdVQIlUzGa1eQs4FckvCW/QG1uKz1Z/5d+Perxrj+8GRYMyOUhN mpYoxPyUgIpfXaZO4jvJk9iiB5u+oWNHl7anZK2fJW9tjL1/mm+CSh9y7vGjJenE 6Bm4wg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=cS+bjrcfWirxu1HHJFYegO/ZLPKVtibkAC4jl6bBV ZY=; b=EzjAYT+KLjI6Iys3VENtIR7JCDMy1+R32EERj+2WvTPoeEOoxc1/t2S0Q 2Mnj2QvZJK5cR30TUvzbfiwJObPbCFc2gtbZ0tEC5h7hnLX9mLjJfb3DHefAkkq6 diy5VT48HKWdHVcZz5ARuhaNj0EnS6lbFVJbQXz6KYeX6el88nZl8p8HNU+PMRwM rE9Uon1ByaUsHbSol/snqF+NYKWztTH0yexWcl6wG6w0eAPe8tXYKVsUMoU9bv3C zgF2SQ/YTkl/bTVXCut6nXdAVhkL1mBX2FfDqzaJiMNyx9uexHmQdFjKVYSlS0fd wbpoSpsbZeXZ7kp+9SgQ6QcZUaSTg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudekiedgudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecugg ftrfgrthhtvghrnhepudeggfdvfeduffdtfeeglefghfeukefgfffhueejtdetuedtjeeu ieeivdffgeehnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homhepthhhohhmrghssehmohhnjhgrlhhonhdrnhgvth X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 1 Oct 2021 05:32:46 -0400 (EDT) From: Thomas Monjalon To: Andrew Rybchenko Cc: Ivan Malov , dev@dpdk.org, Andy Moreton , orika@nvidia.com, ferruh.yigit@intel.com, olivier.matz@6wind.com Date: Fri, 01 Oct 2021 11:32:45 +0200 Message-ID: <2897751.qA9HOvHBi1@thomas> In-Reply-To: <8e1ef3a6-ccf3-abf7-4862-5e6eee9c476d@oktetlabs.ru> References: <20210902142359.28138-1-ivan.malov@oktetlabs.ru> <5427719.I9DohtKF8S@thomas> <8e1ef3a6-ccf3-abf7-4862-5e6eee9c476d@oktetlabs.ru> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v3 0/5] A means to negotiate delivery of Rx meta data X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 01/10/2021 10:54, Andrew Rybchenko: > >> Thomas, if I'm not mistaken, net/mlx5 dv_xmeta_en driver option > >> is vendor-specific way to address the same problem. > > > > Not exactly, it is configuring the capabilities: > > +------+-----------+-----------+-------------+-------------+ > > | Mode | ``MARK`` | ``META`` | ``META`` Tx | FDB/Through | > > +======+===========+===========+=============+=============+ > > | 0 | 24 bits | 32 bits | 32 bits | no | > > +------+-----------+-----------+-------------+-------------+ > > | 1 | 24 bits | vary 0-32 | 32 bits | yes | > > +------+-----------+-----------+-------------+-------------+ > > | 2 | vary 0-24 | 32 bits | 32 bits | yes | > > +------+-----------+-----------+-------------+-------------+ > > Sorry, but I don't understand the difference. Negotiate is > exactly about capabilities which we want to use. The difference is that dv_xmeta_en is not enabling/disabling the delivery of mark/meta. It is just extending the scope (cross-domain) and the size. I think this is not covered in your proposal.