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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id p15-20020a9f368f000000b0034c07a93aeesi3721392uap.137.2022.03.28.16.29.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Mar 2022 16:29:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=dPW+S++m; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2A4A118463D; Mon, 28 Mar 2022 15:50:19 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230194AbiC1Wv4 (ORCPT + 99 others); Mon, 28 Mar 2022 18:51:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230145AbiC1Wvy (ORCPT ); Mon, 28 Mar 2022 18:51:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73C8238181; Mon, 28 Mar 2022 15:50:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 08FBD60C27; Mon, 28 Mar 2022 22:50:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06188C340EC; Mon, 28 Mar 2022 22:50:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648507812; bh=XFHKrVCMGFjxm/UZYRGZkUrae/PoudT6XXiFP4MNXDo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dPW+S++mOMomZgR1mhPuuXyAs33LJ1rc+GNMVt3EdPDE5oMPoSCAUOCmqkfs7n9+Z 4HNEt2ImEzIBaBCUnIQj3RdP/IMnYOi750x4T3g9NQVL/21re4sCybP2zvJct8yNce eVdujFKLGXwnoPitthreD19Tu+Dbr3st61SgUKVWfNxXNF63iAEydmvZ6cReHQ/0er loFnzhPCJ/yspMIoiVpXJDcV8e+McGCO07O4BW3z5zgwdhmeW3Z8KlHTGbYayOd8T0 N8lWhZG5wSMWg1xjmyE2lQgXqJm27hUgjEU2Srs6pNa67uOuAXVbOVAifFUIdir3cw da0svqeL1Ibdw== Date: Mon, 28 Mar 2022 15:50:10 -0700 From: Jakub Kicinski To: Andrew Melnychenko Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, davem@davemloft.net, jasowang@redhat.com, mst@redhat.com, yan@daynix.com, yuri.benditovich@daynix.com Subject: Re: [PATCH v5 0/4] RSS support for VirtioNet. Message-ID: <20220328155010.620849e5@kernel.org> In-Reply-To: <20220328175336.10802-1-andrew@daynix.com> References: <20220328175336.10802-1-andrew@daynix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 28 Mar 2022 20:53:32 +0300 Andrew Melnychenko wrote: > Virtio-net supports "hardware" RSS with toeplitz key. > Also, it allows receiving calculated hash in vheader > that may be used with RPS. > Added ethtools callbacks to manipulate RSS. > > Technically hash calculation may be set only for > SRC+DST and SRC+DST+PORTSRC+PORTDST hashflows. > The completely disabling hash calculation for TCP or UDP > would disable hash calculation for IP. > > RSS/RXHASH is disabled by default. # Form letter - net-next is closed We have already sent the networking pull request for 5.18 and therefore net-next is closed for new drivers, features, code refactoring and optimizations. We are currently accepting bug fixes only. Please repost when net-next reopens after 5.18-rc1 is cut. RFC patches sent for review only are obviously welcome at any time.