From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id BD8EF31FC for ; Tue, 29 May 2018 09:34:04 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 May 2018 00:34:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,455,1520924400"; d="scan'208";a="45001530" Received: from dpdk15.sh.intel.com ([10.67.111.77]) by orsmga008.jf.intel.com with ESMTP; 29 May 2018 00:34:02 -0700 From: Jiayu Hu To: dev@dpdk.org Cc: konstantin.ananyev@intel.com, Jiayu Hu Date: Tue, 29 May 2018 15:41:07 +0800 Message-Id: <1527579670-91026-1-git-send-email-jiayu.hu@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH 0/3] Support UDP/IPv4 GSO 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: , X-List-Received-Date: Tue, 29 May 2018 07:34:05 -0000 With the support of UDP Fragmentation Offload (UFO) and TCP Segmentation Offload (TSO) in virtio, VMs can exchange large UDP and TCP packets exceeding MTU between each other, which can greatly reduce per-packet processing overheads. When the destination of the large TCP and UDP packets is crossing machines, the host application needs to call two different libraries, GSO and IP fragmentation, to split the large packets respectively. However,the GSO and IP fragmentation library have quite different APIs, which greatly complicates the host application implementation. To simplify application development, we propose to support UDP/IPv4 fragmentation in the GSO library. With supporting UDP GSO, host applicationss can use the unified APIs to split large UDP and TCP packets. This patchset is to support UDP/IPv4 GSO. The first patch is to provide UDP GSO function, the second patch is to enable UDP/IPv4 GSO in the testpmd checksum forwarding engine, and the last patch is to update the programmer guide. Jiayu Hu (3): gso: support UDP/IPv4 fragmentation app/testpmd: enable UDP GSO in the checksum forwarding engine gso: add UDP/IPv4 GSO to the programmer guide app/test-pmd/cmdline.c | 5 +- app/test-pmd/csumonly.c | 2 + app/test-pmd/testpmd.c | 2 +- .../generic_segmentation_offload_lib.rst | 6 ++ lib/librte_gso/Makefile | 1 + lib/librte_gso/gso_common.h | 3 + lib/librte_gso/gso_udp4.c | 81 ++++++++++++++++++++++ lib/librte_gso/gso_udp4.h | 42 +++++++++++ lib/librte_gso/rte_gso.c | 24 +++++-- lib/librte_gso/rte_gso.h | 6 +- 10 files changed, 163 insertions(+), 9 deletions(-) create mode 100644 lib/librte_gso/gso_udp4.c create mode 100644 lib/librte_gso/gso_udp4.h -- 2.7.4