net/mlx5: DR, Free unused buddy ICM memory

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Track buddy's used ICM memory, and free it if all
of the buddy's memory bacame unused.
Do this only for STEs.
MODIFY_ACTION buddies are much smaller, so in case there
is a large amount of modify_header actions, which result
in large amount of MODIFY_ACTION buddies, doing this
cleanup during sync will result in performance hit while
not freeing significant amount of memory.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@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 15:07:59 +03:00 • committed by Saeed Mahameed

parent 1c58651412

commit 284836d966

2 changed files with 11 additions and 4 deletions

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14

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

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1

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

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