[dpdk-dev] Physical core vs. hyper threaded core

Jane, Great. You are correct. Have tried enabling hyperthreading and it works. For example, if we want to have the functionality partitioning such that Rx + Packet Processing + Tx = all of these three functions can be done in 2 cores - By positioning Rx in one lcore and by positioning Packet

[dpdk-dev] Physical core vs. hyper threaded core

, March 02, 2014 6:14 PM To: Jayakumar, Muthurajan; dev at dpdk.org Subject: RE: Physical core vs. hyper threaded core Thanks Muthurajan. We were testing with core 0-7 to DPDK and 8-15 to Linux SIP processes. The core numbers are based on the Linux /etc/cpuinfo. These processes don't have d

[dpdk-dev] Physical core vs. hyper threaded core

In your scenario, NO interference with DPDK. Perfect. -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Jayakumar, Muthurajan Sent: Sunday, March 02, 2014 6:23 PM To: Jane Shen; dev at dpdk.org Subject: Re: [dpdk-dev] Physical core vs. hyper threaded core Thanks

[dpdk-dev] Physical core vs. hyper threaded core

: Jayakumar, Muthurajan; dev at dpdk.org Subject: RE: Physical core vs. hyper threaded core Thanks Muthurajan. " because there are some resources statically partitioned" What are these resources and in general what types of operations from the software will be impacted? Like memory access,

[dpdk-dev] Building on FreeBSD

Please find the FreeBSD Getting Started Guide link http://www.intel.com/content/www/us/en/intelligent-systems/intel-technology/intel-dpdk-freebsd-getting-started-guide.html The document refers to gcc version 4.8 Thanks, -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Beha

[dpdk-dev] Intel 82571EB PMD support

Hi Chetan, 82571EB is supported - listed in http://dpdk.org/browse/dpdk/tree/lib/librte_eal/common/include/rte_pci_dev_ids.h Not heard issue before. RTE_PCI_DEV_ID_DECL_EM(PCI_VENDOR_ID_INTEL, E1000_DEV_ID_82571EB_COPPER) RTE_PCI_DEV_ID_DECL_EM(PCI_VENDOR_ID_INTEL, E1000_DEV_ID_82571EB_FIBER)

[dpdk-dev] IEEE 1588 support?

Please find the code for 1588 support http://www.dpdk.org/browse/dpdk/tree/app/test-pmd/ieee1588fwd.c Thanks, -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of David P. Reed Sent: Tuesday, March 18, 2014 10:50 AM To: dev at dpdk.org Subject: [dpdk-dev] IEEE 1588 supp

[dpdk-dev] Core Performance

Hi, http://www.intel.com/content/dam/www/public/us/en/documents/presentation/dpdk-packet-processing-ia-overview-presentation.pdf Foil # 27 has the forwarding performance for ES-2658 core. Foil # 7 has the problem statement indicating small packet size. Thx -Original Message- From: dev

[dpdk-dev] roundtrip delay

Please kindly refer recent thread titled "DPDK Latency Issue" on similar topic. Below copied and pasted Jeff Shaw reply on that thread. Hello, > I measured a roundtrip latency (using Spirent traffic generator) of sending > 64B packets over a 10GbE to DPDK, and DPDK does nothing but simply forwa

[dpdk-dev] regarding this NIC

Should work since the differences are mainly the interfaces. Two versions are available: * 82599EB - PCI Express* (PCIe*) 2.0, dual port 10 Gigabit Ethernet controller for XAUI, KX, KX4, BX, BX4 and CX4 interfaces. * 82599ES - Serial 10 GbE backplane interface for blade implementations (includes

[dpdk-dev] DPDK on Ivy Bridge processors

Carlos, Thank you for using Intel DPDK. Intel DPDK is tested on Ivy bridge processors. You are perfectly OK using Ivy Bridge Processors with intel DPDK Thank you very much, -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Carlos Franco Sent: Friday, December 27, 20

[dpdk-dev] Help on Host DPDK pmd with multi function support

Hello, Thanks for using Intel DPDK. Can you please use 82599 Below link chapter 9 will be useful for referring for the usage - subsection 9.3 for instance. http://www.intel.com/content/dam/www/public/us/en/documents/guides/intel-dpdk-programmers-guide.pdf Thank you -Original Message

[dpdk-dev] packet loss: multi-queue (RSS enabled)

Hi, Please find the attached paper http://kfall.net/ucbpage/papers/snc.pdf Figures 4 and 5 refers about the degradation when the # of queues are increased. It refers sweet spot as 2 to 4 queues. Have you please verified with smaller # of queues please? Thanks, -Original Message- Fr

[dpdk-dev] Debugging EAL PCI / Driver Init

Are you referring to CONFIG_RTE_BUILD_COMBINE_LIBS ? (ps: referenced here http://dpdk.org/ml/archives/dev/2013-October/000639.html) Thanks, M Jay -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Matthew Hall Sent: Sunday, August 03, 2014 10:23 AM To: Alex Markuz

[dpdk-dev] testpmd: not seeing any traffic on 1g (pair) or 10g pair

Can you please do the following steps as in Quick start guide http://dpdk.org/doc/quick-start Thanks, Extract sources. tar xf dpdk.tar.gz cd dpdk Build libraries and kernel module (Linux headers are needed). make config T=x86_64-native-linuxapp-gcc make The next steps must be done as root. Load

[dpdk-dev] testpmd: not seeing any traffic on 1g (pair) or 10g pair

Hi, Can you please run the following command with loopback cable between the ports build/app/testpmd -c7 -n3 -- -i --nb-cores=2 --nb-ports=2 Thanks, From: Al Patel [mailto:alps@gmail.com] Sent: Monday, August 25, 2014 9:36 AM To: Jayakumar, Muthurajan Cc: dev at dpdk.org Subject: Re: [dpdk

[dpdk-dev] Problem in running DPDK quick assist technology environment application

Hi, Checked with the Quick Assist Technology, QAT team. Please find the following recommendation. Can you please submit your question in QAT forum here: https://01.org/packet-processing/intel%C2%AE-quickassist-technology-drivers-and-patches While submitting in QAT forum, please furnish the foll

[dpdk-dev] [RFC PATCH 0/7] support multi-phtread per lcore

Steve, Great write up. Nice explanation of 1) per-lcore numbering and 2) Multi-producer/consumer enqueue -dequeue. Thanks, -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Cunming Liang Sent: Wednesday, December 10, 2014 6:05 PM To: dev at dpdk.org Subject: [dpdk

[dpdk-dev] Is it possible to have dpdk running with no dependency on a nic ?

Can you please refer Chapter 15.1.2 of the programmer's manual http://www.intel.com/content/dam/www/public/us/en/documents/guides/intel-dpdk-programmers-guide.pdf titled "Rings-based PMD". It indicates that " To run an Intel(r) DPDK application on a machine without any Ethernet devices, a pair

[dpdk-dev] What's the performance significance of ixgbe_recv_pkts_bulk_alloc

If some one is interested in more of improving throughput, they will want to enable bulk_allocation. If someone wants to have lesser latency, then they may want to go for non bulk version. With 10 Gb, it is more critical to use bulk for achieving the desired throughput. -Original Message

[dpdk-dev] Query about this NIC

Hi Prashant, Thanks for using Intel DPDK. Intel DPDK supports X520-T2 (previously code named "Iron Pond") Will find out the differences between X520-T2 and X520-DA2 Server Adapter E10G42BTDA PCIe Dual-Port 2xSFP+ Copper 10GSFP+Cu Low-Profile BTW, have you used X520-T2? Thank you, M Jay

[dpdk-dev] Query about this NIC

Hi Prashant, X520-T2 is supported and documented in the release notes. Can you please use X520-T2 as a starting point Thanks -Original Message- From: Prashant Upadhyaya [mailto:prashant.upadhy...@aricent.com] Sent: Thursday, January 09, 2014 8:07 AM To: Jayakumar, Muthurajan; dev

[dpdk-dev] Query about this NIC

Both NICs should work under DPDK. The T2 variant is a 10GBase-T NIC and the DA is a SFP based NIC. -Original Message- From: Prashant Upadhyaya [mailto:prashant.upadhy...@aricent.com] Sent: Thursday, January 09, 2014 8:07 AM To: Jayakumar, Muthurajan; dev at dpdk.org Subject: RE: Query

[dpdk-dev] Query about this NIC

Thank you Ken -Original Message- From: Schumm, Ken Sent: Thursday, January 09, 2014 8:33 AM To: Jayakumar, Muthurajan; Prashant Upadhyaya; dev at dpdk.org Subject: RE: Query about this NIC We have used the DA2 variant successfully with DPDK. -Original Message- From: dev

[dpdk-dev] send/receive L2 packets from SR-IOV ports using l2fwd-vf

James, You are right. >From 1.3 release, the L2 Forwarding sample application (chapter 8.0 in 1.3 >DPDK Sample Application User Guide) indicates that L2fwd and L2fwd-vf have >been merged into one L2 sample application example. (The Sample Application guide introduction referring the merge) T

[dpdk-dev] Ethtool support in DPDK pmd

Please refer KNI - the support for ethtool e.g., lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of HS Sent: Monday, June 02, 2014 9:32 AM To: dev at dpdk.org Subject: [dpdk-dev] Ethtool support in DPDK pmd Hi, Jus

[dpdk-dev] DPDK Demos at IDF conference using DDIO

One of the DPDK demos that comes closer to the description here is http://www.advantech.com/networks-telecom/News.aspx?doc_id=BFEDE586-0FDC-4600-B808-3C09FBE6F910 However, this does not have detailed info. Will see what additional info. we can get on this. Thanks -Original Message- Fro

[dpdk-dev] Regarding Hardware Crypto Accelerator

Prashant, Please find Chapter 19 of the Sample Application User Guide http://dpdk.org/doc/intel/dpdk-sample-apps-1.7.0.pdf useful for reference. ColetoCreek configuration (refer Ch 19.3.1) Regards, -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Prashant Upadh

[dpdk-dev] [PATCH] doc: disable doxygen member sorting

Thanks for making this. Acked Thanks M Jay http://dpdk.readthedocs.org/en/latest/ -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Butler, Siobhan A Sent: Wednesday, April 29, 2015 6:56 AM To: Mcnamara, John; dev at dpdk.org Subject: Re: [dpdk-dev] [PATCH] doc: di

[dpdk-dev] Dear Tetsuya Makawa, Hotplug and PMD for NFV connected port

Dear Tetsuya Makawa, I was watching your video on DPDK Hotplug module There is a mention about PMD for NFV connected port. At that time of the video (2015) it mentions no support. Now is the support available? From which version we have support please? Thank you very much M Jay

[dpdk-dev] [PATCH] doc: added to faq section of release notes

This is very useful. Thank you very much Siobhan. Thanks M Jay -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Siobhan Butler Sent: Sunday, March 22, 2015 6:25 AM To: dev at dpdk.org Subject: [dpdk-dev] [PATCH] doc: added to faq section of release notes Added so

[dpdk-dev] [PATCH 2/4] doc: Corrected info for tx_checksum set mask function, in testpmd UG

Thank you very much Pablo. -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Pablo de Lara Sent: Saturday, November 15, 2014 11:13 AM To: dev at dpdk.org Subject: [dpdk-dev] [PATCH 2/4] doc: Corrected info for tx_checksum set mask function, in testpmd UG tx_checksum

[dpdk-dev] Packet drop issue on DPDK-based application

Hi, 1) One thing to do is instrument database logging section of code. By Reading Time Stamp Counter (RdTsc) at the entry as well as the exit. The difference will give indication of how much load that is adding. 2) In case it is found that to run to completion (like l2fwd) the budget is not su

[dpdk-dev] [RFC] examples: remove l3fwd-vf example

Can you please share as what is the benefit of removing l3fwd-vf example? Customers have been using this very much. Please let me know what is the disadvantage of keeping l3fwd-vf. Thanks M Jay http://dpdk.readthedocs.org/en/latest/ -Original Message- From: dev [mailto:dev-boun...@dpdk.o

[dpdk-dev] [PATCH v1] app/test: fix pmd_perf issue in no NUMA case

Thank you Steve. Acked. Thanks M Jay http://www.dpdk.org -Original Message- From: Liang, Cunming Sent: Sunday, June 07, 2015 11:33 PM To: dev at dpdk.org Cc: Jayakumar, Muthurajan; Liang, Cunming Subject: [PATCH v1] app/test: fix pmd_perf issue in no NUMA case Reported-by: Jayakumar

[dpdk-dev] [PATCH v1] Add support for I217 and I218 Intel 1G chipsets.

requesting to acknowledge Thanks, M Jay -Original Message- From: Ravi Kerur [mailto:rke...@gmail.com] Sent: Thursday, September 24, 2015 3:15 PM To: dev at dpdk.org Cc: Jayakumar, Muthurajan; Ravi Kerur Subject: [PATCH v1] Add support for I217 and I218 Intel 1G chipsets. This patch