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 ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (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 1AD7DC6FD1D for ; Tue, 21 Mar 2023 07:37:16 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id 604EE2ACF8 for ; Tue, 21 Mar 2023 07:37:15 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 5A051986486 for ; Tue, 21 Mar 2023 07:37:15 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 52CE3986447; Tue, 21 Mar 2023 07:37:15 +0000 (UTC) Mailing-List: contact virtio-comment-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 438D3986449 for ; Tue, 21 Mar 2023 07:37:15 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: kZJtNV70OrukuW7BuAUN6w-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679384228; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=NE6UqgxJ3wpmG1iuIxcjjf188FQy/cmlZBHyFhrT8u8=; b=unFuJcs5vt5e90nbeauVCMbbBN9MTItubC8SiMXFyfdSxayKaQUG927UYt2oF2S2ZS 2FtFqd6UMTdOHuYyge3lA/ip4T7AxR+/5Y+fH6WAq/6pKshHp5W9SiB+PmE+FJgNKyBn eH78VhBhFt9Rj00U4sAE5jOJ4SsD140s0qHL2sINaiC3dJyHuaAahwqqPrzghrAot3OO weIr1dj92MoVO46ixJauC+rKa3m2vzvioDZPcj9N0OGxiXI9TXljZ3K67xN5Yre0lSxo JHnUmFfT2GuiAigu7ky9W5m8xBhwiQ2vGeT/pqMhPpKzjM81DuoNjiFQ9xcAzernMCAC mqJA== X-Gm-Message-State: AO0yUKVhyU1NsCpW23t4wlOJrbuNBYECNaBdNZ57LcvO2PzbRNfQhfqB Tmpp3zZ2NLkp17rIVedGU25Yqsw55GvnXeY8c2Dn0Klv0FDz3tY/Y8xXwOxB8UvjkYFvceurTiY nhP2+zj1uoT+LgH4tRykfofml0aHEKsPWkg== X-Received: by 2002:a5d:68c8:0:b0:2d7:3cd3:85b2 with SMTP id p8-20020a5d68c8000000b002d73cd385b2mr1282224wrw.23.1679384228556; Tue, 21 Mar 2023 00:37:08 -0700 (PDT) X-Google-Smtp-Source: AK7set90i8fr5N3gwLeA2ESlUhHIU1ZAz/2LaLR0CEBRGotyR7stiMcZ7DOJq7VebCWXt4BekaO3Dw== X-Received: by 2002:a5d:68c8:0:b0:2d7:3cd3:85b2 with SMTP id p8-20020a5d68c8000000b002d73cd385b2mr1282210wrw.23.1679384228285; Tue, 21 Mar 2023 00:37:08 -0700 (PDT) Date: Tue, 21 Mar 2023 03:37:04 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: Heng Qi , Alvaro Karsz , "virtio-dev@lists.oasis-open.org" , "virtio-comment@lists.oasis-open.org" , Jason Wang , Yuri Benditovich , Xuan Zhuo Message-ID: <20230321033449-mutt-send-email-mst@kernel.org> References: <20230320111840.64039-1-hengqi@linux.alibaba.com> <20230320144625-mutt-send-email-mst@kernel.org> <3a1969e7-2c4d-b64e-33b2-57311d73fb45@linux.alibaba.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [virtio-comment] Re: [virtio-dev] Re: [PATCH v11] virtio-net: support inner header hash On Tue, Mar 21, 2023 at 04:19:17AM +0000, Parav Pandit wrote: > One (this proposal) is solving spread to different RSS queues. Spread is mostly ok with modern protocols though. It seems to optimize for a specific monitoring solution. > Another one is finding out which exact packet to drop/pass when queue usage is high. (ebpf/tc other ways to solve it). > > Ebpf sounds cooler than the real offload implementation in the hw device at the current level. > I remember Jason's good talk on the ebpf a few years back, which is possible when done in sw on the hypervisor. I was talking about classic bpf though. no state. > On mlx5 device inner hash is supported for IPnIP and GRE tunnels. which variants of GRE are supported? > None of the existing users see tunnel attacks when used as forwarding plane. good to know. -- MST This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/