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Saeed Mahameed bf1dfd389b net/mlx5e: Restore destroying state bit after profile cleanup 
[ Upstream commit 5629f8859d ]

Profile rollback can fail in mlx5e_netdev_change_profile() and we will
end up with invalid mlx5e_priv memset to 0, we must maintain the
'destroying' bit in order to gracefully shutdown even if the
profile/priv are not valid.

This patch maintains the previous state of the 'destroying' state of
mlx5e_priv after priv cleanup, to allow the remove flow to cleanup
common resources from mlx5_core to avoid FW fatal errors as seen below:

$ devlink dev eswitch set pci/0000:00:03.0 mode switchdev
    Error: mlx5_core: Failed setting eswitch to offloads.
dmesg: mlx5_core 0000:00:03.0 enp0s3np0: failed to rollback to orig profile, ...

$ devlink dev reload pci/0000:00:03.0

mlx5_core 0000:00:03.0: E-Switch: Disable: mode(LEGACY), nvfs(0), necvfs(0), active vports(0)
mlx5_core 0000:00:03.0: poll_health:803:(pid 519): Fatal error 3 detected
mlx5_core 0000:00:03.0: firmware version: 28.41.1000
mlx5_core 0000:00:03.0: 0.000 Gb/s available PCIe bandwidth (Unknown x255 link)
mlx5_core 0000:00:03.0: mlx5_function_enable:1200:(pid 519): enable hca failed
mlx5_core 0000:00:03.0: mlx5_function_enable:1200:(pid 519): enable hca failed
mlx5_core 0000:00:03.0: mlx5_health_try_recover:340:(pid 141): handling bad device here
mlx5_core 0000:00:03.0: mlx5_handle_bad_state:285:(pid 141): Expected to see disabled NIC but it is full driver
mlx5_core 0000:00:03.0: mlx5_error_sw_reset:236:(pid 141): start
mlx5_core 0000:00:03.0: NIC IFC still 0 after 4000ms.

Fixes: c4d7eb5768 ("net/mxl5e: Add change profile method")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260108212657.25090-5-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-02-06 16:41:46 +01:00
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README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.