net/mlx5: Let user configure max_macs generic param

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Currently, max_macs is taking 70Kbytes of memory per function. This
size is not needed in all use cases, and is critical with large scale.
Hence, allow user to configure the number of max_macs.

For example, to reduce the number of max_macs to 1, execute::
$ devlink dev param set pci/0000:00:0b.0 name max_macs value 1 \
              cmode driverinit
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

...

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Shay Drory 2021-12-09 12:09:29 +02:00 • committed by Saeed Mahameed

parent 0ad598d0be

commit 8680a60fc1

3 changed files with 91 additions and 0 deletions

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3

Documentation/networking/devlink/mlx5.rst

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67

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

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21

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

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