Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-07-19 Thread Gao Zhenyu
41.6 us latency > = 41.6 us > udp_lat: > latency = 64.2 uslatency = 64.2 us latency > = 64.4 us > udp_lat: > latency = 73.2 us latency = 86.9 us latency > = 72.3 us > udp_lat: > latency = 120 us

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-07-19 Thread Gao Zhenyu
cy = 81.8 us 78.5 us > tcp_lat: > latency = 82.3 us 83.3 us > tcp_lat: > latency = 93.1 us 97.2 us > tcp_lat: > latency = 237 us 211 us > > > > 2017-06-23 15:58 GMT+08:00 Chandran, Sugesh <sugesh.chand...@intel.com>: > > > > >

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-07-19 Thread Chandran, Sugesh
vn.org; u9012...@gmail.com; d...@openvswitch.org Subject: Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic Hi Sugesh, I did more performance testings on it. In ovs-dpdk + VM environment, I consumed qperf on VM side and has there performace

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-07-17 Thread Gao Zhenyu
2017 1:23 PM > *To:* Chandran, Sugesh <sugesh.chand...@intel.com> > *Cc:* b...@ovn.org; u9012...@gmail.com; ktray...@redhat.com; Kavanagh, > Mark B <mark.b.kavan...@intel.com>; d...@openvswitch.org > *Subject:* Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW &g

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-06-23 Thread Chandran, Sugesh
;; u9012...@gmail.com<mailto:u9012...@gmail.com>; ktray...@redhat.com<mailto:ktray...@redhat.com>; Kavanagh, Mark B <mark.b.kavan...@intel.com<mailto:mark.b.kavan...@intel.com>>; d...@openvswitch.org<mailto:d...@openvswitch.org> Subject: Re: [ovs-dev] [RFC PATCH v1] n

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-06-21 Thread Gao Zhenyu
* Chandran, Sugesh <sugesh.chand...@intel.com> > *Cc:* b...@ovn.org; u9012...@gmail.com; ktray...@redhat.com; Kavanagh, > Mark B <mark.b.kavan...@intel.com>; d...@openvswitch.org > *Subject:* Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW > checksum offload sup

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-06-21 Thread Chandran, Sugesh
ct: Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic Thanks for that comments. [Sugesh] Any reason, why this patch does only the TCP checksum offload?? The command line option says tx_checksum offload (it could be mistakenly considered for f

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-06-19 Thread Gao Zhenyu
Thanks for that comments. [Sugesh] Any reason, why this patch does only the TCP checksum offload?? The command line option says tx_checksum offload (it could be mistakenly considered for full checksum offload). [Zhenyu Gao] DPDK nic supports many hw offload feature like IPv4,IPV6,TCP,

Re: [ovs-dev] [RFC PATCH v1] net-dpdk: Introducing TX tcp HW checksum offload support for DPDK pnic

2017-06-19 Thread Chandran, Sugesh
Hi Zhenyu, Thank you for working on this, I have couple of questions in this patch. Regards _Sugesh > -Original Message- > From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev- > boun...@openvswitch.org] On Behalf Of Zhenyu Gao > Sent: Friday, June 16, 2017 1:54 PM > To: b...@ovn.org;