From patchwork Fri Sep 4 08:37:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yang_y_yi X-Patchwork-Id: 76543 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 70441A04B1; Fri, 4 Sep 2020 10:37:54 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 970B81C0D8; Fri, 4 Sep 2020 10:37:49 +0200 (CEST) Received: from mail-m973.mail.163.com (mail-m973.mail.163.com [123.126.97.3]) by dpdk.org (Postfix) with ESMTP id 1E86C1C0CC for ; Fri, 4 Sep 2020 10:37:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=HH1Y3 YaJ4ytCSoBMgDV6q/b5VN3P9gauW3Fmw4QfZGY=; b=kP1EQiddTb8bmufDGLSOL WMeZAxKrlfs6P/teTMIFvNPrehelCPs8SMUmpp7FoSIqPxmQNKEFzkVtvBC+oBv8 xDYsr8ZuniHgapBK0ScdhjACJXQS4VoACpn49qbf4JqRUqPfzqaQlBha0eK3kB0G UYuGFDVe1ruCxiz1BqDRR4= Received: from yangyi0100.home.langchao.com (unknown [111.207.123.58]) by smtp3 (Coremail) with SMTP id G9xpCgB3myrU_FFfm6hLAw--.269S2; Fri, 04 Sep 2020 16:37:41 +0800 (CST) From: yang_y_yi@163.com To: dev@dpdk.org Cc: jiayu.hu@intel.com, thomas@monjalon.net, yangyi01@inspur.com, yang_y_yi@163.com Date: Fri, 4 Sep 2020 16:37:38 +0800 Message-Id: <20200904083740.71272-1-yang_y_yi@163.com> X-Mailer: git-send-email 2.19.2.windows.1 MIME-Version: 1.0 X-CM-TRANSID: G9xpCgB3myrU_FFfm6hLAw--.269S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7Ww47uw13AFykJFWDJryDtrb_yoW8ZFy5pF Z3Gr4ftr9rJryxXFsxXw40qr95tr18Jr17Ga42gry8Xr4vyw1jqr15KryrGry7Wr97Xr4x Xw12yF1rCw1UGrUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07U2eHgUUUUU= X-Originating-IP: [111.207.123.58] X-CM-SenderInfo: 51dqwsp1b1xqqrwthudrp/xtbB0haVi1UMYmOSnAAAsM Subject: [dpdk-dev] [PATCH v4 0/2] gro: add UDP GRO and VXLAN UDP GRO support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Yi Yang In case that UFO or GSO is enabled, GRO is very necessary, especially for UDP, it is more so. Many NICs can't support VXLAN UDP UFO/USO and VLAN UFO/USO, so UDP performance improvement depends on GSO and GRO to a great extent. This patch series added VLAN UDP GRO and VXLAN UDP GRO support. I have tested it in OVS DPDK, test scenario is as below: +-------------------------+ +--------------------------+ |VM1 --- OVS DPDK --- NIC1|---| NIC2 --- OVS-DPDK --- VM2| +-------------------------+ +--------------------------+ SERVER1 SERVER2 If no GSO and GRO, 8k UDP packet can't work in case of UFO or in case that underlay MTU is 1500, so UDP size must meet MTU limitation, my VM MTU is 1450 (consider vxlan header), UDP performance is about 3Gbps, with GSO and GRO enabled, I can send 8K UDP packet, UDP performance is about 6Gbps (Note: with small UDP packet loss rate). FYI: OVS DPDK patch series https://patchwork.ozlabs.org/project/openvswitch/list/?series=194621 Changelog --------- v3 -> v4: split two patches in cleaner way remove ip_id which is unnecessary for UDP GRO correct hdr_len calculation v2 -> v3: remove UDP header length check v1 -> v2: split into two patches Yi Yang (2): gro: add UDP GRO support gro: add VXLAN UDP GRO support lib/librte_gro/Makefile | 2 + lib/librte_gro/gro_udp4.c | 430 +++++++++++++++++++++++++++++++ lib/librte_gro/gro_udp4.h | 282 +++++++++++++++++++++ lib/librte_gro/gro_vxlan_udp4.c | 548 ++++++++++++++++++++++++++++++++++++++++ lib/librte_gro/gro_vxlan_udp4.h | 152 +++++++++++ lib/librte_gro/meson.build | 2 +- lib/librte_gro/rte_gro.c | 192 +++++++++++--- lib/librte_gro/rte_gro.h | 8 +- 8 files changed, 1582 insertions(+), 34 deletions(-) create mode 100644 lib/librte_gro/gro_udp4.c create mode 100644 lib/librte_gro/gro_udp4.h create mode 100644 lib/librte_gro/gro_vxlan_udp4.c create mode 100644 lib/librte_gro/gro_vxlan_udp4.h