From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mail.toke.dk (Postfix) with ESMTPS id B39009A5A84 for ; Thu, 29 Sep 2022 06:00:17 +0200 (CEST) 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=STHqZRCf Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BBCA3B82301; Thu, 29 Sep 2022 04:00:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1AD55C433D6; Thu, 29 Sep 2022 04:00:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664424014; bh=x3PXbE3VAL8J9aXxW+M0tfozLj74lHfnFU6iZqvDur4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=STHqZRCf/1vmrap+mUkE7DrWygYggSxtbDveoPwkLaUBc7wDh0iMPz9BYQzbu9wdk m58nCyCF7+oHCuJwsTnSn0O2yGlxsTWhxTA3eLbKqol2TK9yEUr95f3o81AEbSSmol fTIMWi7gEncKRidB5sdjC5/VzlyJT2Uu0+88lhrKSn0p/1vEJ/R11f4J7svAbjk3Ql Qwfezm7+28UEII+G9+YFz2ciGprbZgue3n70azG5NBXtoTHYK4r8mDw9COkUNlS/G/ pVIaFUWh2SdTzKuWqjvzl8965IwgmCfWodsrwWyGN0YfzxjGZdDSYe5vQnhOf1THew d0Hxc8BvcdqJQ== Message-ID: Date: Wed, 28 Sep 2022 22:00:13 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Content-Language: en-US To: Jason Wang , Lorenzo Bianconi References: <30dd392b-ff2f-1e25-175a-6666dde200ed@hetzner-cloud.de> <2d2d13bd-da93-2e04-3fd1-a5fd4713d7df@kernel.org> From: David Ahern In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-MailFrom: dsahern@kernel.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation Message-ID-Hash: P6WDGNMENNEN7IU3AOYFEQP3UY53I4J4 X-Message-ID-Hash: P6WDGNMENNEN7IU3AOYFEQP3UY53I4J4 X-Mailman-Approved-At: Thu, 29 Sep 2022 12:45:35 +0200 CC: Jesper Dangaard Brouer , Marcus Wichelmann , xdp-newbies@vger.kernel.org, cloud@xdp-project.net, brouer@redhat.com, Anton Protopopov , Kumar Kartikeya Dwivedi , "Karlsson, Magnus" X-Mailman-Version: 3.3.5 Precedence: list Subject: [xdp-cloud] Re: Questions about Offloads and XDP-Hints regarding a Cloud-Provider Use-Case List-Id: XDP in the cloud Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 9/28/22 7:14 PM, Jason Wang wrote: > How about other metadata like gso_type, gso_segs, csum_start and > csum_offset etc? This looks like a must for GSO to work even if > multi-buffer is supported. XDP redirect on Rx, packet by packet, only needs checksum valid data. Tx and GSO is a much bigger problem.