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 2280BC61DA3 for ; Tue, 21 Feb 2023 14:27:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233787AbjBUO1p (ORCPT ); Tue, 21 Feb 2023 09:27:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbjBUO1n (ORCPT ); Tue, 21 Feb 2023 09:27:43 -0500 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 322F610269 for ; Tue, 21 Feb 2023 06:27:41 -0800 (PST) Received: by mail-ed1-x52b.google.com with SMTP id s26so17896659edw.11 for ; Tue, 21 Feb 2023 06:27:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20210112.gappssmtp.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=N0H9IouRLM5K3a/SnEEfZMtruvcZWhcuKfglAwbop4k=; b=KahLum3LcRQIxk4LHJojb0wrF6lCzXucNgO7RojcCYjPxydIgV9oeB+kbEDjQGa7E3 35ZfoXfynKTeFKoxXQ9Gfx3LMlsQvD+k3/qcHbTSfvuk6ARsDHcKTmr38bZAZ9TRK/1B 3l9XPkwu70HUshC6gu29+JSPt/GkAv6bmli3MgyND9ObZ8Bz9eKWZRGUw65gnYeyCAu8 1t2AwDzaWh5apSfVhU/Q9FQy7ZILZ+c+qp+9FekGC6Zo9/Kf4SpbePcSmB1Vzi18GnMI 3gE5inWvgneoE7jr5we2OdHCT6Suf/RBB1VuIsqQPPtiJ0voQBNXe+mdH8SxxJRPwm5f uJPQ== 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=N0H9IouRLM5K3a/SnEEfZMtruvcZWhcuKfglAwbop4k=; b=z3Ub+qafBW1vv+O6nRIe75+np6Qn+56NBgVBpMqE4Fx1fViKvA+V1WKphltd0fOYf3 zl5aXGKxARnv2spGc1gkQ7HRiyxYJVRShiRnbg9GtfE8LD4vAfWk3vrxoOWUlyFPokol 1nGDp0/DK87M4fder4Z/TunZ4xS+epqhppsPznoW6vdsMS+dT0AfKuoMbfgcxz/xJGZP JMSDViKuJxP6hzHWsj6Mv55+wdtkJYnY5oWAZZhpggRxjsAtgJMKuJ4n9GRRSdZZwgTd 3m0ohZYagf6RCJj+OwVDMwmI05+G7qUBq0Rg/b+1+zk9byBlBZ6eA97BPVkFnsq02Rvn mJLg== X-Gm-Message-State: AO0yUKVC9vEGYBgfn90HU15YXL1jU8wWIXFuNdAUDhlWZeu9VhsKigwP gRGBlkTGGoX3JJJ0PlmYfGoBLQ== X-Google-Smtp-Source: AK7set9QVVxB8CyVe0rkcVCCD0vgO8MbFhLkRGfhxWf8dFBXTMXk8/Hd1QGe9IbCWGDavh3bt1gUIA== X-Received: by 2002:aa7:cace:0:b0:4ac:c4c2:1c51 with SMTP id l14-20020aa7cace000000b004acc4c21c51mr4878700edt.27.1676989659619; Tue, 21 Feb 2023 06:27:39 -0800 (PST) Received: from localhost (host-213-179-129-39.customer.m-online.net. [213.179.129.39]) by smtp.gmail.com with ESMTPSA id z14-20020a05640240ce00b004accc54a9edsm1689425edb.93.2023.02.21.06.27.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Feb 2023 06:27:38 -0800 (PST) Date: Tue, 21 Feb 2023 15:27:37 +0100 From: Jiri Pirko To: Alvaro Karsz Cc: "Michael S. Tsirkin" , Vitaly Mireyno , netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net Subject: Re: [patch net-next] net: virtio_net: implement exact header length guest feature Message-ID: References: <20230217121547.3958716-1-jiri@resnulli.us> <20230217072032-mutt-send-email-mst@kernel.org> <20230217083915-mutt-send-email-mst@kernel.org> <20230220074947-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Tue, Feb 21, 2023 at 02:39:31PM CET, alvaro.karsz@solid-run.com wrote: >Hi, > >Our device offers this feature bit as well. >I don't have concrete numbers, but this feature will save our device a >few cycles for every GSO packet. Cool. I will try to include this into the patch description. Thanks!