在 2024/10/30 6:12, Ferruh Yigit 写道:
On 10/18/2024 3:48 AM, lihuisong (C) wrote:
Hi Ferruh,

Thanks for your considering again. please see reply inline.

在 2024/10/18 9:04, Ferruh Yigit 写道:
On 10/8/2024 3:32 AM, lihuisong (C) wrote:
Hi Thomas and Ferruh,

We've discussed it on and off a few times, and we've reached some
consensus.
They've been going through more than 2 years😅
Can you have a look at this series again?
If we really don't need it, I will drop it from my upstreaming list.

Hi Huisong,

I was not really convinced with the patch series, but did not want to
block it outright, sorry that this caused patch series stay around.

As checked again, still feels like adding unnecessary complexity, and I
am for rejecting this series.

Overall target is to be able to support hotplug with primary/secondary
process, and uses event handlers for this but this requires adding a new
ethdev state to be able iterate over devices etc...
Perhaps better way to support this without relying on event handlers.
Ignoring the modification of tesptmd is ok to me.
But we need to restrict testpmd not to support attach and detach port in
multiple process case.
Otherwise. these issues this series solved will be encountered.

BTW, I want to say the patch [2/5] which introduced
RTE_ETH_DEV_ALLOCATED should be thought again.
Because it is an real issue in ethdev layer. This is also the fruit that
Thomas, you and I discussed before.
Please look at this patch again.

RTE_ETH_DEV_ALLOCATED is added to run RTE_ETH_FOREACH_DEV in the event
handler, more specifically on the 'RTE_ETH_EVENT_NEW' event handler, right?
Yes
Without testpmd event handler update, what is the reason/usecase for
above ethdev change?
no testpmd event handler modification, other applications may also encounter it. Please take a  look at the commit of patch 2/5 and the modification in patch 3/5.


Thomas, Andrew, Stephen, please feel free to chime in.


/Huisong

/Huisong


在 2024/9/29 13:52, Huisong Li 写道:
This patchset fix some bugs and support attaching and detaching port
in primary and secondary.

---
    -v7: fix conflicts
    -v6: adjust rte_eth_dev_is_used position based on alphabetical order
         in version.map
    -v5: move 'ALLOCATED' state to the back of 'REMOVED' to avoid abi
break.
    -v4: fix a misspelling.
    -v3:
      #1 merge patch 1/6 and patch 2/6 into patch 1/5, and add
modification
         for other bus type.
      #2 add a RTE_ETH_DEV_ALLOCATED state in rte_eth_dev_state to
resolve
         the probelm in patch 2/5.
    -v2: resend due to CI unexplained failure.

Huisong Li (5):
     drivers/bus: restore driver assignment at front of probing
     ethdev: fix skip valid port in probing callback
     app/testpmd: check the validity of the port
     app/testpmd: add attach and detach port for multiple process
     app/testpmd: stop forwarding in new or destroy event

    app/test-pmd/testpmd.c                   | 47 ++++++++++++++
+---------
    app/test-pmd/testpmd.h                   |  1 -
    drivers/bus/auxiliary/auxiliary_common.c |  9 ++++-
    drivers/bus/dpaa/dpaa_bus.c              |  9 ++++-
    drivers/bus/fslmc/fslmc_bus.c            |  8 +++-
    drivers/bus/ifpga/ifpga_bus.c            | 12 ++++--
    drivers/bus/pci/pci_common.c             |  9 ++++-
    drivers/bus/vdev/vdev.c                  | 10 ++++-
    drivers/bus/vmbus/vmbus_common.c         |  9 ++++-
    drivers/net/bnxt/bnxt_ethdev.c           |  3 +-
    drivers/net/bonding/bonding_testpmd.c    |  1 -
    drivers/net/mlx5/mlx5.c                  |  2 +-
    lib/ethdev/ethdev_driver.c               | 13 +++++--
    lib/ethdev/ethdev_driver.h               | 12 ++++++
    lib/ethdev/ethdev_pci.h                  |  2 +-
    lib/ethdev/rte_class_eth.c               |  2 +-
    lib/ethdev/rte_ethdev.c                  |  4 +-
    lib/ethdev/rte_ethdev.h                  |  4 +-
    lib/ethdev/version.map                   |  1 +
    19 files changed, 114 insertions(+), 44 deletions(-)

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