Commit 90b3e38d authored by Rana Shahout's avatar Rana Shahout Committed by David S. Miller

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: default avatarRana Shahout <ranas@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarAmir Vadai <amirv@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4c916a79
......@@ -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;
......
......@@ -169,6 +169,9 @@ int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
struct mlx5_query_cq_mbox_out *out);
int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
struct mlx5_modify_cq_mbox_in *in, int in_sz);
int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev,
struct mlx5_core_cq *cq, u16 cq_period,
u16 cq_max_count);
int mlx5_debug_cq_add(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq);
void mlx5_debug_cq_remove(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq);
......
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