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| author |   Rana Shahout <ranas@mellanox.com> | 2015-05-28 22:28:44 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-05-30 18:23:59 -0700 |
| commit | 90b3e38d048f09b22fb50bcd460cea65fd00b2d7 (patch) | |
| tree | 66b2f0aadc31cfb8d333a9fc5b7e0a194f6f2fb9 /drivers/net/ethernet/mellanox | |
| parent | net/mlx5_core: Implement get/set port status (diff) | |
| download | linux-dev-90b3e38d048f09b22fb50bcd460cea65fd00b2d7.tar.xz linux-dev-90b3e38d048f09b22fb50bcd460cea65fd00b2d7.zip | |
net/mlx5_core: Modify CQ moderation parameters
Introduce mlx5_core_modify_cq_moderation() to be used by the netdev, to
set hardware coalescing.
Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/cq.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c index eb0cf81f5f45..04ab7e445eae 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c @@ -219,6 +219,24 @@ int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, } EXPORT_SYMBOL(mlx5_core_modify_cq); +int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev, + struct mlx5_core_cq *cq, + u16 cq_period, + u16 cq_max_count) +{ + struct mlx5_modify_cq_mbox_in in; + + memset(&in, 0, sizeof(in)); + + in.cqn = cpu_to_be32(cq->cqn); + in.ctx.cq_period = cpu_to_be16(cq_period); + in.ctx.cq_max_count = cpu_to_be16(cq_max_count); + in.field_select = cpu_to_be32(MLX5_CQ_MODIFY_PERIOD | + MLX5_CQ_MODIFY_COUNT); + + return mlx5_core_modify_cq(dev, cq, &in, sizeof(in)); +} + int mlx5_init_cq_table(struct mlx5_core_dev *dev) { struct mlx5_cq_table *table = &dev->priv.cq_table; |