From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D94F1DF98C; Sat, 15 Feb 2025 19:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739646123; cv=none; b=gEuzjzJle9Vsy/1y1Pg+IMjAU2eBCoJnt7ci+1cIKgT/lCTcuq5JUAgeXW/4ZCFgkXigI/mYBwgCN7jc5NyfpxdHmOGn6GyBX7H8voR0OYVoE4UhKZj8Aa///cIxPqD7uSSGFje/tPTXmm36Z/uWr00dtgTkiTFkt54Uo3aPTaM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739646123; c=relaxed/simple; bh=HudMfY49mSqAmZgoZf2dNEnXXORoyrdxby3o1hdTgAM=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=U8QF/IlyJUrwpS310JI6CBoHTwvL5cChIFzvf1CPnPgTge7cgY+u2xUIl5PXhHeSAVkIYxNpAEiB2ughrIZwk30wn01HDs6avyT/FCvU0rG/MZ+r17FuUBUY3eiy9OQXZDIlmXq5EgqyD0bm0ZvfXf7vn5mQ0ttnERFZZyoLl0o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dhHbjle+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dhHbjle+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7D0BC4CEDF; Sat, 15 Feb 2025 19:02:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739646122; bh=HudMfY49mSqAmZgoZf2dNEnXXORoyrdxby3o1hdTgAM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dhHbjle+yGglktEW8k7sNojmTldB4vX4N3Z0d65mfgb3kNBfztQtB2ihersP3kWQ+ Kk2mNdH9UeVAkubXqkexsfz7Wnrc/zOLsJASmtFLlTV5tW4ropul2XVQLV9Yhf+5td 3uUaW14oEhvOWOJxbjRpgTMBoyh8jn2Yt/fhpoQoiF80vBk4k1YiaTfAQmntQrXSCJ jQmVne+gM1bZ0OEemKcArDYoPcbiU6iP52UDfirZH955ffStsNghUdmWNzyecpCR/w YxuaZmNxQSjg60JVHX/zShnBQEuc16jrPdoMByZZRYzL4dx71LLA7F3Tt92GS/58zT Cp8DMnbuH0G7Q== Date: Sat, 15 Feb 2025 11:01:59 -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 Subject: Re: [PATCH bpf-next v10 1/5] xsk: Add launch time hardware offload support to XDP Tx metadata Message-ID: <20250215110159.0c1888ae@kernel.org> In-Reply-To: <20250207021943.814768-2-yoong.siang.song@intel.com> References: <20250207021943.814768-1-yoong.siang.song@intel.com> <20250207021943.814768-2-yoong.siang.song@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 7 Feb 2025 10:19:39 +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. Acked-by: Jakub Kicinski