From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1BDC0A04B1; Thu, 5 Nov 2020 08:20:23 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 869C65AB2; Thu, 5 Nov 2020 08:20:21 +0100 (CET) Received: from wout3-smtp.messagingengine.com (wout3-smtp.messagingengine.com [64.147.123.19]) by dpdk.org (Postfix) with ESMTP id B28622BE1 for ; Thu, 5 Nov 2020 08:20:20 +0100 (CET) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.west.internal (Postfix) with ESMTP id A7E69A0D; Thu, 5 Nov 2020 02:20:18 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Thu, 05 Nov 2020 02:20:18 -0500 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= KqIpnrGIQws8KdGh3pJQj7Y6Jfl+OLxzfsIGz3yhRzU=; b=RRxL9XyapN8ZEsoO ldLrfVKixjVeFuObiL2pxaawDCbe1SECySKFhYTdeR3S6d8ZWNXmr0bZ1XGdYzWB Gq7fJZW/+QnSBdTi5xt4nVzDC0Wl3xl9hFNFtxL6q6sStoV1dNyQdvywLTbfbzmT iwhTjRA1R5tuIfw0htFO9LiiMNstDSxFXwALjbsz8nQtfLJ9ZtAQ6E9miLhvzC3A CP25DYPUrnYhLxrP+VkOwi9PytO2achArVE7+2Kl5HNnaI6blqOL2lghk8b0KIpk IDsM9jlWLAq5E7jQnx7v/yo24eehzkKIE08cSz7IgVfivCSL76DEd724MWEsPweJ pAL6kw== 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=fm1; bh=KqIpnrGIQws8KdGh3pJQj7Y6Jfl+OLxzfsIGz3yhR zU=; b=nQPSvI9y3aFVPCeRC3jBdkTZdBZELCsjAW+p7wzFy1rgNOSRq6+icAbp6 vxiF8Sfpk7+Ks4w0aAdPwXIhkg8fJjlVZHxFlS5Inxezdf+DL6P0+HyfX2bD1KbA 5hPg362KPpNP772XaWPs4wXvy5QQcf8Pr6RTaPI+KWMlnzhWI5u4fMAZnRZzunRC XuXZDZti9W83LV87vCHGa89k7qlDQd4zdPLQwP+jC7e0NcjFd8+X9ukNTHQ7MxVP 5hZGgX02VxOCY7ufdjXrxzcXH+Ls74wprRLPOX+3GJCxrWuZ32ueClSmi4la3ZG2 hU781p/+8Riy8nQL/IDxctFxClejA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedruddtiedguddtiecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefhvffufffkjghfggfgtgesthfuredttddtvdenucfhrhhomhepvfhhohhm rghsucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenuc ggtffrrghtthgvrhhnpedugefgvdefudfftdefgeelgffhueekgfffhfeujedtteeutdej ueeiiedvffegheenucfkphepjeejrddufeegrddvtdefrddukeegnecuvehluhhsthgvrh fuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgr lhhonhdrnhgvth X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 9CB683060057; Thu, 5 Nov 2020 02:20:17 -0500 (EST) From: Thomas Monjalon To: Stephen Hemminger Cc: dev@dpdk.org Date: Thu, 05 Nov 2020 08:20:15 +0100 Message-ID: <5534102.fTr2JavNfC@thomas> In-Reply-To: <20201104154243.4fd3a03c@hermes.local> References: <20201104154243.4fd3a03c@hermes.local> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] Removing more mbuf fields X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" 05/11/2020 00:42, Stephen Hemminger: > Thanks for the work cleaning out some of the cruft in the mbuf to make space > for dynamic fields. > > Are you going to breakup the hash union in mbuf? > There is some bits to be gained there for dynamic fields. > > - Flow director should be deprecated/gone/killed so hash.fdir can disappear. > > - QoS scheduling hash.sched should be a dynamic field. > > - Eventdev hash.tx_adapter.txq should be a dynamic field as well. > > - hash.usr field is obviously an dynamic field candidate. > > That leaves only hash.rss which is smaller (32 instead of 64 bits in union) > and should stay. Yes such dynamic fields can be used during next year, so we are prepared to remove more fields in 21.11 next year. I hope such cleanup can be contributing by multiple volunteers.