From: Rana Shahout <ra...@mellanox.com>
Introduce mlx5_core_modify_cq_moderation() to be used by the netdev, to
set hardware coalescing.
Signed-off-by: Rana Shahout <ra...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
Signed-off-by: Amir Vadai <am...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/cq.c | 18 ++++++++++++++++++
include/linux/mlx5/cq.h | 3 +++
2 files changed, 21 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c
b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
index eb0cf81..04ab7e4 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;
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h
index 2695ced..abc4767 100644
--- a/include/linux/mlx5/cq.h
+++ b/include/linux/mlx5/cq.h
@@ -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);
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
