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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 020BAC021B2 for ; Thu, 20 Feb 2025 22:17:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 8655A611C1; Thu, 20 Feb 2025 22:17:27 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id epI7xldGpIoi; Thu, 20 Feb 2025 22:17:26 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org CD58060BB3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1740089846; bh=5Z/SnatRSZ7txlnqtwK2z1G5kKHBirvYaST5BiztISg=; h=Date:From:To:Cc:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=zNUGLViMeje6ZW6EqgWHkxuex895PpCy6QxA7qle/FUcsJhbnK+OKPVWJHZ0ur7xe 4nDohH0KEUzN14IHTPmJ1N4OY5f7+jkLPnK99ynJbyWmKCGHgcrrGFBXOb+YnOq+2p aSIz5o09Amo3sliYi4i+0A/q3CLoDPZ5vdjvWBq1HsKGii5Xflk2ISACf8p4jxa2Qx luoBRJ8rtS/f2Iz70gECGzlUZrWocuVwXCTFKrMQuP0QmuY6qHt9xVOJMzKsHiFH8d 4U4vTRo9qMy0XaXrntCEmjBqMcGXXeDaSrf3BJDtRnB29MOWSYiO3y0NxfusBDNh01 CVa6cAE3PLwdA== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id CD58060BB3; Thu, 20 Feb 2025 22:17:26 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists1.osuosl.org (Postfix) with ESMTP id 98C0F194 for ; Thu, 20 Feb 2025 22:17:25 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 8877D60AD8 for ; Thu, 20 Feb 2025 22:17:25 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id LntKj89SeKp3 for ; Thu, 20 Feb 2025 22:17:25 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2604:1380:4641:c500::1; helo=dfw.source.kernel.org; envelope-from=kuba@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp3.osuosl.org C57DB60B56 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org C57DB60B56 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by smtp3.osuosl.org (Postfix) with ESMTPS id C57DB60B56 for ; Thu, 20 Feb 2025 22:17:24 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 09F275C61DB; Thu, 20 Feb 2025 22:16:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CAD62C4CED1; Thu, 20 Feb 2025 22:17:20 +0000 (UTC) Date: Thu, 20 Feb 2025 14:17:19 -0800 From: Jakub Kicinski To: Song Yoong Siang Cc: "David S . Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Willem de Bruijn , Florian Bezdeka , Donald Hunter , Jonathan Corbet , Bjorn Topel , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , Andrew Lunn , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Joe Damato , Stanislav Fomichev , Xuan Zhuo , Mina Almasry , Daniel Jurgens , Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Shuah Khan , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Tony Nguyen , Przemek Kitszel , Faizal Rahim , Choong Yong Liang , Bouska Zdenek , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, intel-wired-lan@lists.osuosl.org, xdp-hints@xdp-project.net Message-ID: <20250220141719.524a8ac6@kernel.org> In-Reply-To: <20250216093430.957880-2-yoong.siang.song@intel.com> References: <20250216093430.957880-1-yoong.siang.song@intel.com> <20250216093430.957880-2-yoong.siang.song@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740089842; bh=fwRMLQoTvvslio/qHTjWfmSIblsDq9Yevo6OmjlR7Us=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gsWDEYRAyTvAs1kE0egmdOtU3gAB6eRj6jBN+O2VX+hwhO9GJDHJEXMI1Ib3ykatk Y94KbJctHpMvGeTaR5Bn4Lg06ml7c/7Tx3nicxgy1rzpyronflc4vaJ4nQPbxVUTb3 34hxJ64z4fyxfFaO2/2NzLQruNO3ZRIyf4T2fnjwHFx2ne/mNBWeU1RH1DVtrfBCCm OHRuAMdxAO3dtt8n9vHkM3QSnARODfnsEvU/xgSfHq2Ps/XjkNgv2+z8tAgz/7zNwO 3tNQwDzo2HJi2H115hXMhbWE0qzve7DLI2VyPgnmKO5mMSOJZNbyNksBWgpsHSKPta Avkq0n61gq+Pw== X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=gsWDEYRA Subject: Re: [Intel-wired-lan] [PATCH bpf-next v12 1/5] xsk: Add launch time hardware offload support to XDP Tx metadata X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Sun, 16 Feb 2025 17:34:26 +0800 Song Yoong Siang wrote: > Extend the XDP Tx metadata framework so that user can requests launch time > hardware offload, where the Ethernet device will schedule the packet for > transmission at a pre-determined time called launch time. The value of > launch time is communicated from user space to Ethernet driver via > launch_time field of struct xsk_tx_metadata. > > Suggested-by: Stanislav Fomichev > Acked-by: Stanislav Fomichev > Signed-off-by: Song Yoong Siang Acked-by: Jakub Kicinski