[dpdk-dev] [PATCH v17 0/6] enable hotplug on multi-process

Thomas Monjalon thomas at monjalon.net
Tue Oct 16 12:52:16 CEST 2018


> Qi Zhang (6):
>   ethdev: add function to release port in secondary process
>   eal: enable hotplug on multi-process
>   eal: support attach or detach share device from  secondary
>   drivers/net: enable hotplug on secondary process
>   drivers/net: enable device detach on secondary
>   examples/multi_process: add hotplug sample
> 
>  doc/guides/rel_notes/release_18_11.rst       |  13 +
>  drivers/net/af_packet/rte_eth_af_packet.c    |   6 +-
>  drivers/net/bnxt/bnxt_ethdev.c               |   6 +-
>  drivers/net/bonding/rte_eth_bond_pmd.c       |   6 +-
>  drivers/net/ena/ena_ethdev.c                 |   2 +-
>  drivers/net/kni/rte_eth_kni.c                |   6 +-
>  drivers/net/liquidio/lio_ethdev.c            |   2 +-
>  drivers/net/null/rte_eth_null.c              |   6 +-
>  drivers/net/octeontx/octeontx_ethdev.c       |   8 +
>  drivers/net/pcap/rte_eth_pcap.c              |   6 +-
>  drivers/net/tap/rte_eth_tap.c                |   8 +-
>  drivers/net/vhost/rte_eth_vhost.c            |   6 +-
>  drivers/net/virtio/virtio_ethdev.c           |   2 +-
>  examples/multi_process/Makefile              |   1 +
>  examples/multi_process/hotplug_mp/Makefile   |  23 ++
>  examples/multi_process/hotplug_mp/commands.c | 214 ++++++++++++++
>  examples/multi_process/hotplug_mp/commands.h |  10 +
>  examples/multi_process/hotplug_mp/main.c     |  41 +++
>  lib/librte_eal/bsdapp/eal/Makefile           |   1 +
>  lib/librte_eal/common/eal_common_dev.c       | 254 ++++++++++++++--
>  lib/librte_eal/common/eal_private.h          |  22 ++
>  lib/librte_eal/common/hotplug_mp.c           | 426 +++++++++++++++++++++++++++
>  lib/librte_eal/common/hotplug_mp.h           |  46 +++
>  lib/librte_eal/common/include/rte_dev.h      |  12 +
>  lib/librte_eal/common/include/rte_eal.h      |   9 +
>  lib/librte_eal/common/meson.build            |   1 +
>  lib/librte_eal/linuxapp/eal/Makefile         |   1 +
>  lib/librte_eal/linuxapp/eal/eal.c            |   6 +
>  lib/librte_ethdev/rte_ethdev.c               |  17 +-
>  lib/librte_ethdev/rte_ethdev_driver.h        |  16 +-
>  lib/librte_ethdev/rte_ethdev_pci.h           |  10 +-
>  lib/librte_ethdev/rte_ethdev_version.map     |   7 +
>  32 files changed, 1151 insertions(+), 43 deletions(-)

Applied, thanks.

Note: some PMDs are updated to support multi-process hotplug,
but not all of them. I think you focused on the generic ones
(af_packet, pcap, tap, bonding), but you forgot failsafe.
Please, could you follow-up in -rc2? Thank you




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