From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mail.toke.dk (Postfix) with ESMTPS id E8567AFACA9 for ; Thu, 20 Feb 2025 23:17:25 +0100 (CET) Authentication-Results: mail.toke.dk; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=gsWDEYRA 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) 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== Date: Thu, 20 Feb 2025 14:17:19 -0800 From: Jakub Kicinski To: Song Yoong Siang 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 Message-ID-Hash: NRCIFK6TCYAS7PDYC7P37YJ72YTR2DMB X-Message-ID-Hash: NRCIFK6TCYAS7PDYC7P37YJ72YTR2DMB X-MailFrom: kuba@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header 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 X-Mailman-Version: 3.3.10 Precedence: list Subject: [xdp-hints] Re: [PATCH bpf-next v12 1/5] xsk: Add launch time hardware offload support to XDP Tx metadata List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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