net/mlx5: DR, Add buddy allocator utilities

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Add implementation of SW Steering variation of buddy allocator.

The buddy system for ICM memory uses 2 main data structures:
- Bitmap per order, that keeps the current state of allocated
  blocks for this order
- Indicator for the number of available blocks per each order

Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

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Yevgeny Kliteynik 2020-09-14 15:05:30 +03:00 • committed by Saeed Mahameed

parent 8a8a102300

commit 3b72422dea

3 changed files with 204 additions and 1 deletions

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2

drivers/net/ethernet/mellanox/mlx5/core/Makefile

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170

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_buddy.c

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33

drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h

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