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* [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP
@ 2018-02-27  9:32 Qi Zhang
  2018-02-27  9:33 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang
                   ` (7 more replies)
  0 siblings, 8 replies; 24+ messages in thread
From: Qi Zhang @ 2018-02-27  9:32 UTC (permalink / raw)
  To: dev; +Cc: magnus.karlsson, bjorn.topel, Qi Zhang

The RFC patches add a new PMD driver for AF_XDP which is a proposed
faster version of AF_PACKET interface in Linux, see below link for 
detail AF_XDP introduction:
https://fosdem.org/2018/schedule/event/af_xdp/
https://lwn.net/Articles/745934/

This patchset is base on v18.02.
It also require a linux kernel that have below AF_XDP RFC patches be
applied.
https://patchwork.ozlabs.org/patch/867961/
https://patchwork.ozlabs.org/patch/867960/
https://patchwork.ozlabs.org/patch/867938/
https://patchwork.ozlabs.org/patch/867939/
https://patchwork.ozlabs.org/patch/867940/
https://patchwork.ozlabs.org/patch/867941/
https://patchwork.ozlabs.org/patch/867942/
https://patchwork.ozlabs.org/patch/867943/
https://patchwork.ozlabs.org/patch/867944/
https://patchwork.ozlabs.org/patch/867945/
https://patchwork.ozlabs.org/patch/867946/
https://patchwork.ozlabs.org/patch/867947/
https://patchwork.ozlabs.org/patch/867948/
https://patchwork.ozlabs.org/patch/867949/
https://patchwork.ozlabs.org/patch/867950/
https://patchwork.ozlabs.org/patch/867951/
https://patchwork.ozlabs.org/patch/867952/
https://patchwork.ozlabs.org/patch/867953/
https://patchwork.ozlabs.org/patch/867954/
https://patchwork.ozlabs.org/patch/867955/
https://patchwork.ozlabs.org/patch/867956/
https://patchwork.ozlabs.org/patch/867957/
https://patchwork.ozlabs.org/patch/867958/
https://patchwork.ozlabs.org/patch/867959/

There is no clean upstream target yet since kernel patch is still in
RFC stage, The purpose of the patchset is just for anyone that want to
eveluate af_xdp with DPDK application and get feedback for further
improvement.

To try with the new PMD
1. compile and install the kernel with above patches applied.
2. configure $LINUX_HEADER_DIR (dir of "make headers_install")
   and $TOOLS_DIR (dir at <kernel_src>/tools) at driver/net/af_xdp/Makefile
   before compile DPDK.
3. make sure libelf and libbpf is installed.

BTW, performance test shows our PMD can reach 94%~98% of the orignal benchmark
when share memory is enabled.

Qi Zhang (7):
  net/af_xdp: new PMD driver
  lib/mbuf: enable parse flags when create mempool
  lib/mempool: allow page size aligned mempool
  net/af_xdp: use mbuf mempool for buffer management
  net/af_xdp: enable share mempool
  net/af_xdp: load BPF file
  app/testpmd: enable parameter for mempool flags

 app/test-pmd/parameters.c                     |  12 +
 app/test-pmd/testpmd.c                        |  15 +-
 app/test-pmd/testpmd.h                        |   1 +
 config/common_base                            |   5 +
 config/common_linuxapp                        |   1 +
 drivers/net/Makefile                          |   1 +
 drivers/net/af_xdp/Makefile                   |  60 ++
 drivers/net/af_xdp/bpf_load.c                 | 798 +++++++++++++++++++++++
 drivers/net/af_xdp/bpf_load.h                 |  65 ++
 drivers/net/af_xdp/libbpf.h                   | 199 ++++++
 drivers/net/af_xdp/meson.build                |   7 +
 drivers/net/af_xdp/rte_eth_af_xdp.c           | 878 ++++++++++++++++++++++++++
 drivers/net/af_xdp/rte_pmd_af_xdp_version.map |   4 +
 drivers/net/af_xdp/xdpsock_queue.h            |  62 ++
 lib/librte_mbuf/rte_mbuf.c                    |  15 +-
 lib/librte_mbuf/rte_mbuf.h                    |   8 +-
 lib/librte_mempool/rte_mempool.c              |   2 +
 lib/librte_mempool/rte_mempool.h              |   1 +
 mk/rte.app.mk                                 |   1 +
 19 files changed, 2125 insertions(+), 10 deletions(-)
 create mode 100644 drivers/net/af_xdp/Makefile
 create mode 100644 drivers/net/af_xdp/bpf_load.c
 create mode 100644 drivers/net/af_xdp/bpf_load.h
 create mode 100644 drivers/net/af_xdp/libbpf.h
 create mode 100644 drivers/net/af_xdp/meson.build
 create mode 100644 drivers/net/af_xdp/rte_eth_af_xdp.c
 create mode 100644 drivers/net/af_xdp/rte_pmd_af_xdp_version.map
 create mode 100644 drivers/net/af_xdp/xdpsock_queue.h

-- 
2.13.6

^ permalink raw reply	[flat|nested] 24+ messages in thread
* [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP
@ 2018-02-27  9:35 Qi Zhang
  2018-02-27  9:35 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang
  0 siblings, 1 reply; 24+ messages in thread
From: Qi Zhang @ 2018-02-27  9:35 UTC (permalink / raw)
  To: dev; +Cc: magnus.karlsson, bjorn.topel, Qi Zhang

The RFC patches add a new PMD driver for AF_XDP which is a proposed
faster version of AF_PACKET interface in Linux, see below link for 
detail AF_XDP introduction:
https://fosdem.org/2018/schedule/event/af_xdp/
https://lwn.net/Articles/745934/

This patchset is base on v18.02.
It also require a linux kernel that have below AF_XDP RFC patches be
applied.
https://patchwork.ozlabs.org/patch/867961/
https://patchwork.ozlabs.org/patch/867960/
https://patchwork.ozlabs.org/patch/867938/
https://patchwork.ozlabs.org/patch/867939/
https://patchwork.ozlabs.org/patch/867940/
https://patchwork.ozlabs.org/patch/867941/
https://patchwork.ozlabs.org/patch/867942/
https://patchwork.ozlabs.org/patch/867943/
https://patchwork.ozlabs.org/patch/867944/
https://patchwork.ozlabs.org/patch/867945/
https://patchwork.ozlabs.org/patch/867946/
https://patchwork.ozlabs.org/patch/867947/
https://patchwork.ozlabs.org/patch/867948/
https://patchwork.ozlabs.org/patch/867949/
https://patchwork.ozlabs.org/patch/867950/
https://patchwork.ozlabs.org/patch/867951/
https://patchwork.ozlabs.org/patch/867952/
https://patchwork.ozlabs.org/patch/867953/
https://patchwork.ozlabs.org/patch/867954/
https://patchwork.ozlabs.org/patch/867955/
https://patchwork.ozlabs.org/patch/867956/
https://patchwork.ozlabs.org/patch/867957/
https://patchwork.ozlabs.org/patch/867958/
https://patchwork.ozlabs.org/patch/867959/

There is no clean upstream target yet since kernel patch is still in
RFC stage, The purpose of the patchset is just for anyone that want to
eveluate af_xdp with DPDK application and get feedback for further
improvement.

To try with the new PMD
1. compile and install the kernel with above patches applied.
2. configure $LINUX_HEADER_DIR (dir of "make headers_install")
   and $TOOLS_DIR (dir at <kernel_src>/tools) at driver/net/af_xdp/Makefile
   before compile DPDK.
3. make sure libelf and libbpf is installed.

BTW, performance test shows our PMD can reach 94%~98% of the orignal benchmark
when share memory is enabled.

Qi Zhang (7):
  net/af_xdp: new PMD driver
  lib/mbuf: enable parse flags when create mempool
  lib/mempool: allow page size aligned mempool
  net/af_xdp: use mbuf mempool for buffer management
  net/af_xdp: enable share mempool
  net/af_xdp: load BPF file
  app/testpmd: enable parameter for mempool flags

 app/test-pmd/parameters.c                     |  12 +
 app/test-pmd/testpmd.c                        |  15 +-
 app/test-pmd/testpmd.h                        |   1 +
 config/common_base                            |   5 +
 config/common_linuxapp                        |   1 +
 drivers/net/Makefile                          |   1 +
 drivers/net/af_xdp/Makefile                   |  60 ++
 drivers/net/af_xdp/bpf_load.c                 | 798 +++++++++++++++++++++++
 drivers/net/af_xdp/bpf_load.h                 |  65 ++
 drivers/net/af_xdp/libbpf.h                   | 199 ++++++
 drivers/net/af_xdp/meson.build                |   7 +
 drivers/net/af_xdp/rte_eth_af_xdp.c           | 878 ++++++++++++++++++++++++++
 drivers/net/af_xdp/rte_pmd_af_xdp_version.map |   4 +
 drivers/net/af_xdp/xdpsock_queue.h            |  62 ++
 lib/librte_mbuf/rte_mbuf.c                    |  15 +-
 lib/librte_mbuf/rte_mbuf.h                    |   8 +-
 lib/librte_mempool/rte_mempool.c              |   2 +
 lib/librte_mempool/rte_mempool.h              |   1 +
 mk/rte.app.mk                                 |   1 +
 19 files changed, 2125 insertions(+), 10 deletions(-)
 create mode 100644 drivers/net/af_xdp/Makefile
 create mode 100644 drivers/net/af_xdp/bpf_load.c
 create mode 100644 drivers/net/af_xdp/bpf_load.h
 create mode 100644 drivers/net/af_xdp/libbpf.h
 create mode 100644 drivers/net/af_xdp/meson.build
 create mode 100644 drivers/net/af_xdp/rte_eth_af_xdp.c
 create mode 100644 drivers/net/af_xdp/rte_pmd_af_xdp_version.map
 create mode 100644 drivers/net/af_xdp/xdpsock_queue.h

-- 
2.13.6

^ permalink raw reply	[flat|nested] 24+ messages in thread

end of thread, other threads:[~2018-03-02  4:05 UTC | newest]

Thread overview: 24+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-02-27  9:32 [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang
2018-02-28 23:40   ` Stephen Hemminger
2018-02-28 23:42   ` Stephen Hemminger
2018-03-01  1:51     ` Zhang, Qi Z
2018-02-28 23:42   ` Stephen Hemminger
2018-02-28 23:45   ` Stephen Hemminger
2018-03-01  1:59     ` Zhang, Qi Z
2018-02-27  9:33 ` [dpdk-dev] [RFC 2/7] lib/mbuf: enable parse flags when create mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 3/7] lib/mempool: allow page size aligned mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 4/7] net/af_xdp: use mbuf mempool for buffer management Qi Zhang
2018-03-01  2:08   ` Stephen Hemminger
2018-02-27  9:33 ` [dpdk-dev] [RFC 5/7] net/af_xdp: enable share mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 6/7] net/af_xdp: load BPF file Qi Zhang
2018-03-01  2:10   ` Stephen Hemminger
2018-02-27  9:33 ` [dpdk-dev] [RFC 7/7] app/testpmd: enable parameter for mempool flags Qi Zhang
2018-03-01  2:52 ` [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Jason Wang
2018-03-01  4:18   ` Zhang, Qi Z
2018-03-01  4:20     ` Zhang, Qi Z
2018-03-01  7:46       ` Jason Wang
2018-03-01 12:56         ` Zhang, Qi Z
2018-03-01 13:18           ` Jason Wang
2018-03-02  4:05             ` Zhang, Qi Z
2018-02-27  9:35 Qi Zhang
2018-02-27  9:35 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang

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