From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72422C636D4 for ; Wed, 15 Feb 2023 22:01:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230002AbjBOWBE (ORCPT ); Wed, 15 Feb 2023 17:01:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230012AbjBOWBC (ORCPT ); Wed, 15 Feb 2023 17:01:02 -0500 Received: from mail-qv1-xf2b.google.com (mail-qv1-xf2b.google.com [IPv6:2607:f8b0:4864:20::f2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E5C320D1A for ; Wed, 15 Feb 2023 14:01:00 -0800 (PST) Received: by mail-qv1-xf2b.google.com with SMTP id l18so36371qvo.13 for ; Wed, 15 Feb 2023 14:01:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=nG52OJ2gxjyiSocN1Mj1oY2FCCwWeCckVMvDBzKYA1A=; b=NYbUVgK1PJfAK6pBg1myMIJ5e0lKAL/UP+HPEAkLy9NHIMfErOfFC55PsqKLNJBf0W ssvFDMKP8gJmQQPh/UzMuRqDoIRArdHD9Z1vmNjuKZMwgtsJ5VcalHxKIodXItNqTzDV 69ruW3tmeatVdpZfkY+ZMefEMo9C8BKNl5rMTP6EhhOk+SxDo/CyUJVZi4M2uSrfpyQf vY/7JYTzgdo+k1bvfUW1UzDV8oryUokOaarkiEmgWhoqx9LJ/RFe5foBZBYfNB7vN2UQ 0fl8zrjk3KCvhlL8iOaXQRlncDqTOwHGrBqKdLW+YqvEc3ESeusLDQ485wdweMidFmFs JrgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=nG52OJ2gxjyiSocN1Mj1oY2FCCwWeCckVMvDBzKYA1A=; b=0zZ1f645eJCyrnuiOAhZ+uEIvDAyw4RcGXRMQjaxFpEiY9q5GRxQGdmFFKNphQTIcZ +ijl32SxmuPgEDxr135qxYJ/dPNJ3c25XQ8htciGdDoTPHMsTtEb3CACPM8Rm8nUt4ZF xJphANcE/WPZBwyAj+/Dxff/KUZEmSDL1tJCVCGh6sVRV6fmqq2AE62PebeZhdpb5xKt KU8Z3OntK+x2KokmXjFx3Y6axdzr/ubkmBGWRd1DLxR0ZUITQLCqTnDNMXLZChn3PIX4 SnL72zg7gmA1CnlY0386uLCoLXX4tCdEwYcs0Ct1vdi1tvrdF87jqfekKjzMfL54yW8N juPQ== X-Gm-Message-State: AO0yUKWgfL4NEF6jwImKZ7bkPbvPHKKSK85Y8oBLlmv+jeza7ajjvh/5 zaZ6wYeMSPrvYCwnFI/SbP4= X-Google-Smtp-Source: AK7set9IDV0Z3A208vZmrRDORrB1Ad1CR0g9HF5z2W49xuwiKbDXAE3x7Hnjs6FGCRW6gFFSyKmrXQ== X-Received: by 2002:a05:6214:d47:b0:56e:f4e0:a4e0 with SMTP id 7-20020a0562140d4700b0056ef4e0a4e0mr739507qvr.12.1676498459492; Wed, 15 Feb 2023 14:00:59 -0800 (PST) Received: from t14s.localdomain (rrcs-24-43-123-84.west.biz.rr.com. [24.43.123.84]) by smtp.gmail.com with ESMTPSA id t73-20020a37aa4c000000b0071eddd3bebbsm1400555qke.81.2023.02.15.14.00.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Feb 2023 14:00:58 -0800 (PST) Received: by t14s.localdomain (Postfix, from userid 1000) id AC25D4C290C; Wed, 15 Feb 2023 14:00:57 -0800 (PST) Date: Wed, 15 Feb 2023 14:00:57 -0800 From: Marcelo Ricardo Leitner To: Paul Blakey Cc: netdev@vger.kernel.org, Saeed Mahameed , Paolo Abeni , Jakub Kicinski , Eric Dumazet , Jamal Hadi Salim , Cong Wang , "David S. Miller" , Oz Shlomo , Jiri Pirko , Roi Dayan , Vlad Buslov , Simon Horman Subject: Re: [PATCH net-next v12 2/8] net/sched: cls_api: Support hardware miss to tc action Message-ID: References: <20230215211014.6485-1-paulb@nvidia.com> <20230215211014.6485-3-paulb@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230215211014.6485-3-paulb@nvidia.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Feb 15, 2023 at 11:10:08PM +0200, Paul Blakey wrote: > For drivers to support partial offload of a filter's action list, > add support for action miss to specify an action instance to > continue from in sw. > > CT action in particular can't be fully offloaded, as new connections > need to be handled in software. This imposes other limitations on > the actions that can be offloaded together with the CT action, such > as packet modifications. > > Assign each action on a filter's action list a unique miss_cookie > which drivers can then use to fill action_miss part of the tc skb > extension. On getting back this miss_cookie, find the action > instance with relevant cookie and continue classifying from there. > > Signed-off-by: Paul Blakey > Reviewed-by: Jiri Pirko > Reviewed-by: Simon Horman > Acked-by: Jamal Hadi Salim > Signed-off-by: Paul Blakey Reviewed-by: Marcelo Ricardo Leitner