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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07E16ECE566 for ; Thu, 20 Sep 2018 17:08:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1E59214C2 for ; Thu, 20 Sep 2018 17:08:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1E59214C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxonhyperv.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733270AbeITWww (ORCPT ); Thu, 20 Sep 2018 18:52:52 -0400 Received: from a2nlsmtp01-02.prod.iad2.secureserver.net ([198.71.225.36]:55446 "EHLO a2nlsmtp01-02.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727241AbeITWwv (ORCPT ); Thu, 20 Sep 2018 18:52:51 -0400 Received: from linuxonhyperv2.linuxonhyperv.com ([107.180.71.197]) by : HOSTING RELAY : with ESMTP id 32QFgMau2M0DP32QFgaFga; Thu, 20 Sep 2018 10:07:24 -0700 x-originating-ip: 107.180.71.197 Received: from haiyangz by linuxonhyperv2.linuxonhyperv.com with local (Exim 4.91) (envelope-from ) id 1g32QF-0002W1-NV; Thu, 20 Sep 2018 10:07:23 -0700 From: Haiyang Zhang To: davem@davemloft.net, netdev@vger.kernel.org Cc: haiyangz@microsoft.com, kys@microsoft.com, sthemmin@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next,0/3] hv_netvsc: Support LRO/RSC in the vSwitch Date: Thu, 20 Sep 2018 17:06:58 +0000 Message-Id: <20180920170701.9574-1-haiyangz@linuxonhyperv.com> X-Mailer: git-send-email 2.18.0 Reply-To: haiyangz@microsoft.com X-CMAE-Envelope: MS4wfGc7/lPH70RjjieotoAOkWxbDtfKvsMVW4F1J+7wtCeIRFM3mIvB0oY1UwKIGy19PBzCmP3ytTkB8MPfsThVxhIarUkHSgiSQ4VPDULu36RA/z0+iHOV xmJNjwF9D3hOB15YOXBbaHo1RbASr5664jqrJwjNtkucM5VhsLcWxDFHUFAEBQpGOy/NeqjNC4q0dP/rVa5uhIIp0A6hLN8Gzs7e9yfbXngb/GPJXtkW2ENh I/QEaRo56P0K0ye7o5lYQv/Yb65yijHjXpF0zf7ggyhb1a8isLZinr407XkwTa7kg2o6yu6wU7Crh72v71teoyxyir2wrGBCIEBzO7y9sKKDDe2E/NFncDNc vN1FL7/UPd0kql/MEoH4RFcA0dfh7Ez9Q6b7jdt9bixTkCHWxMRvg9OGGj1kl7XGVg8ykEDOu641k0lfJme/LICilm4HPPFCQLMKhsjCOP7nlRKWGaoVEQyE bAewYppx4aLJkp0sMKYBEw1e2uvw+hB6ZQS3bw== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Haiyang Zhang The patch adds support for LRO/RSC in the vSwitch feature. It reduces the per packet processing overhead by coalescing multiple TCP segments when possible. The feature is enabled by default on VMs running on Windows Server 2019 and later. The patch set also adds ethtool command handler and documents. Haiyang Zhang (3): hv_netvsc: Add support for LRO/RSC in the vSwitch hv_netvsc: Add handler for LRO setting change hv_netvsc: Update document for LRO/RSC support Documentation/networking/netvsc.txt | 9 +++ drivers/net/hyperv/hyperv_net.h | 51 ++++++++++++--- drivers/net/hyperv/netvsc.c | 18 ++++-- drivers/net/hyperv/netvsc_drv.c | 58 ++++++++++++----- drivers/net/hyperv/rndis_filter.c | 97 +++++++++++++++++++++++++---- 5 files changed, 194 insertions(+), 39 deletions(-) -- 2.18.0