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net/mlx5: Introduce set delay drop command

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Add support to SET_DELAY_DROP command.

This command will be used in downstream patches for delay packet drop.
The timeout value should be indicated by delay_drop_timeout field.
Packet processing will be delayed till timeout value passed or until
more WQEs are posted.

Setting this value to 0 disables the feature.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Maor Gottlieb 2017-05-30 10:29:11 +03:00 • committed by Doug Ledford
parent 7d9336d80b
commit c1e0bfc131
3 changed files with 41 additions and 1 deletions
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3
include/linux/mlx5/qp.h
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@ -561,6 +561,9 @@ int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
u32 *out, int outlen);
int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
u32 timeout_usec);
int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
void mlx5_init_qp_table(struct mlx5_core_dev *dev);