net/mlx5: Use one completion vector if eth is disabled

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If eth is disabled by devlink, use only a single completion vector to
have minimum performance of all users of completion vectors. This also
affects Infiniband performance.

The rest of the vectors can be used by other consumers on a first come
first served basis.

mlx5_vdpa will make use of this to allocate dedicated vectors for its
own use.

Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>

...

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Eli Cohen 2023-01-03 09:37:23 +02:00 • committed by Saeed Mahameed

parent 1dc85133c2

commit b637ac5db0

3 changed files with 20 additions and 12 deletions

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14

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

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11

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

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7

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

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