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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3BF86C4167B for ; Mon, 4 Dec 2023 10:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6aJxc32Wr5ElaELtfk8lOMCkqfvhAk3ktc6YgsqvlQo=; b=L+HITSNCzWfN1I 21Hg/3Vsw0vka+MQwNb3w/hgMdAVUWKO2B3ON0Omd3EnbVDpLDnRNzlHc4hHra1Oyn3OJnZPKbqL0 9n2nSzteoUpZRHPfXynR/sK5I9xRov7LiqTDIS2NL9Vp0yPeHW9hYZ5E/PqLhck9c5GRX6QpSYWvV sGZ3ur5cai2cYetBw71DfJ/uRDwI8qVAFnjAos5GZ6pC7tOyW9IL6ifhCinJ8ApZ32aLovxtaLtpt 5HXM2s8Xzu491VG22SDkovcQT90tRX3MJkO9xT4nvmUS0ffRy43ZMd4FqeFzozKeCh+QH3lFbhyUM CACo8JzeFYsxti7UxbLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rA60e-003Vf4-2e; Mon, 04 Dec 2023 10:17:04 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rA60b-003Vdn-0A for linux-arm-kernel@lists.infradead.org; Mon, 04 Dec 2023 10:17:03 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1644D60FCD; Mon, 4 Dec 2023 10:16:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF9B7C433C7; Mon, 4 Dec 2023 10:16:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701685017; bh=NvabCPUoEeNgkHlQOh++f/IpiYrFxijeYof5NfRPONE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=gj60O4w3gXfZMoRfR6TVuuBMVNHiyEh6nUNydfFfRtKH2vJhhhVuUfP9Y4+rhdY5B zjCUTsbEh5i2w9D6MgQWx68op4BJuUViJcr9vihhIQ8pM0QJhsxRJLcvyPKCr6mmvh 2fi5L0nxX4kFshYlSuzPTS0BbZwOLeu6gZ3GQp0LhzILev3EvwzL6CIBTA/cDwOP5S DE1a4L0ovYgsibC0R82gwV80GU4EzfF3khZdF8IufKrqTVx7GteEKxJT8Lh7qC0oMP fXKPG9TSggDDEaNpqmO1xTH+Yafxw1vMknRluaszrrr6d4GsKEX1oH+EnHBEKjkV1g wSPOvEgh46O1A== Message-ID: <8e20031c-83cb-4927-ab6a-e6b4840e1e42@kernel.org> Date: Mon, 4 Dec 2023 11:16:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH bpf-next v3 3/3] selftests/bpf: add Launch Time request to xdp_hw_metadata Content-Language: en-US To: Song Yoong Siang , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jonathan Corbet , Bjorn Topel , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Stanislav Fomichev , Lorenzo Bianconi , Tariq Toukan , Willem de Bruijn , Maxime Coquelin , Andrii Nakryiko , Mykola Lysenko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Shuah Khan , Alexandre Torgue , Jose Abreu Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, bpf@vger.kernel.org, xdp-hints@xdp-project.net, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org References: <20231203165129.1740512-1-yoong.siang.song@intel.com> <20231203165129.1740512-4-yoong.siang.song@intel.com> From: Jesper Dangaard Brouer In-Reply-To: <20231203165129.1740512-4-yoong.siang.song@intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231204_021701_266837_35E509DE X-CRM114-Status: UNSURE ( 7.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/3/23 17:51, Song Yoong Siang wrote: > This patch is tested with stmmac on Intel Tiger Lake platform. Refer to > result below, the delta between pre-determined launch time and actual HW > transmit complete time is around 24 us. Is there any NIC setup (e.g. ethtool/qdisc) requirements to enable HW for this feature? --Jesper _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel