net/mlx5e: Use the 'num_doorbells' devlink param

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Use the new devlink param to control how many doorbells mlx5e devices
allocate and use. The maximum number of doorbells configurable is capped
to the maximum number of channels. This only applies to the Ethernet
part, the RDMA devices using mlx5 manage their own doorbells.

Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

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Cosmin Ratiu 2025-09-16 17:11:44 +03:00 • committed by Jakub Kicinski

parent 6bdcb735fe

commit 11bbcfb766

3 changed files with 49 additions and 1 deletions

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9

Documentation/networking/devlink/mlx5.rst

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26

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

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15

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

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