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DPDK 21.11 is Now Available!

By November 30, 2021Blog

By David Marchand

A new major release of DPDK, DPDK 21.11, is now available: https://fast.dpdk.org/rel/dpdk-21.11.tar.xz

This is a big DPDK release, with:

  •    1875 commits from 204 authors
  •     2413 files changed, 259559 insertions(+), 87876 deletions(-)

The branch 21.11 should be supported for at least two years, making it recommended for system integration and deployment. The new major ABI version is 22.The next releases 22.03 and 22.07 will be ABI compatible with 21.11.

As you probably noticed, the year 2022 will see only two intermediate releases before the next 22.11 LTS.

Below are some new features, grouped by category:

* General

  •     hugetlbfs subdirectories
  •     AddressSanitizer (ASan) integration for debug
  •     mempool flag for non-IO usages
  •      device class for DMA accelerators and drivers for
  •      HiSilicon, Intel DSA, Intel IOAT, Marvell CNXK and NXP DPAA
  •     device class for GPU devices and driver for NVIDIA CUDA
  •     Toeplitz hash using Galois Fields New Instructions (GFNI)

* Networking

  •     MTU handling rework
  •     get all MAC addresses of a port
  •     RSS based on L3/L4 checksum fields
  •     flow match on L2TPv2 and PPP
  •     flow flex parser for custom header
  •     control delivery of HW Rx metadata
  •     transfer flows API rework
  •     shared Rx queue
  •     Windows support of Intel e1000, ixgbe and iavf
  •     driver for NXP ENETFEC
  •     vDPA driver for Xilinx devices
  •     virtio RSS
  •     vhost power monitor wakeup
  •     testpmd multi-process
  •     pcapng library and dumpcap tool


  •     API namespace improvements and cleanups
  •     API internals hidden
  •     flags check for future ABI compatibility

More details in the release notes:  http://doc.dpdk.org/guides/rel_notes/release_21_11.html

There are 55 new contributors (including authors, reviewers and testers)! Welcome to:  Abhijit Sinha, Ady Agbarih, Alexander Bechikov, Alice Michael, Artur Tyminski, Ben Magistro, Ben Pfaff, Charles Brett, Chengfeng Ye, Christopher Pau, Daniel Martin Buckley, Danny Patel, Dariusz Sosnowski, David George, Elena Agostini, Ganapati Kundapura, Georg Sauthoff, Hanumanth Reddy Pothula, Harneet Singh, Huichao Cai, Idan Hackmon, Ilyes Ben Hamouda, Jilei Chen, Jonathan Erb, Kumara Parameshwaran, Lewei Yang, Liang Longfeng, Longfeng Liang, Maciej Fijalkowski, Maciej Paczkowski, Maciej Szwed, Marcin Domagala, Miao Li, Michal Berger, Michal Michalik, Mihai Pogonaru, Mohamad Noor Alim Hussin, Nikhil Vasoya, Pawel Malinowski, Pei Zhang, Pravin Pathak, Przemyslaw Zegan, Qiming Chen, Rashmi Shetty, Richard Eklycke, Sean Zhang, Siddaraju DH, Steve Rempe, Sylwester Dziedziuch, Volodymyr Fialko, Wojciech Drewek, Wojciech Liguzinski, Xingguang He, Yu Wenjun, Yvonne Yang.

Below is the percentage of commits per employer:

A big thank you to all courageous people who took on the non-  rewarding task of reviewing other people’s work. 

Based on Reviewed-by and Acked-by tags, the top non-PMD reviewers are:
    113    Akhil Goyal 
     83    Ferruh Yigit 
     70    Andrew Rybchenko 
     51    Ray Kinsella 
     50    Konstantin Ananyev
     47    Bruce Richardson 
     46    Conor Walsh 
     45    David Marchand 
     39    Ruifeng Wang 
     37    Jerin Jacob 
     36    Olivier Matz 
     36    Fan Zhang 
     32    Chenbo Xia 
     32    Ajit Khaparde 
     25    Ori Kam 
     23    Kevin Laatz 
     22    Ciara Power 
     20    Thomas Monjalon 
     19    Xiaoyun Li 
     18    Maxime Coquelin 

The new features for 22.03 may be submitted during the next 4 weeks so that we can all enjoy a good break at the end of this year. 2022 will see a change in pace for releases timing, let’s make the best of it to make good reviews.

DPDK 22.03 is scheduled for early March:  http://core.dpdk.org/roadmap#dates

Please share your roadmap.

Thanks everyone!