net/mlx5: Support disabling host PFs

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Some devices support disabling the physical function on the host. When
this is configured the vports for the host functions do not exist.

This patch checks if host functions are enabled before trying to access
their vports.

Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: William Tu <witu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1755112796-467444-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Daniel Jurgens 2025-08-13 22:19:56 +03:00 • committed by Jakub Kicinski

parent 9e84de72ae

commit 520369ef43

3 changed files with 66 additions and 37 deletions

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62

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c

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7

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

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34

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

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