From: Raed Salem <raeds@xxxxxxxxxxxx>
Implements the flow counters read wrapper.
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Raed Salem <raeds@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 22 ++++++++++++++++++++++
drivers/infiniband/hw/mlx5/mlx5_ib.h | 5 +++++
2 files changed, 27 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 61fefee40922..59ee1e96cf2e 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3180,6 +3180,28 @@ static void set_underlay_qp(struct mlx5_ib_dev *dev,
}
}
+static int read_flow_counters(struct ib_device *ibdev,
+ struct mlx5_read_counters_attr *read_attr)
+{
+ struct mlx5_fc *fc = (struct mlx5_fc *)(read_attr->hw_cntrs_hndl);
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+
+ return mlx5_fc_query(dev->mdev, fc->id, &read_attr->out[0],
+ &read_attr->out[1]);
+}
+
+struct mlx5_ib_flow_counter {
+ size_t offset;
+};
+
+#define INIT_COUNTER(_struct, _name)\
+ { .offset = MLX5_BYTE_OFF(_struct, _name)}
+
+static const struct mlx5_ib_flow_counter basic_flow_cnts[] = {
+ INIT_COUNTER(traffic_counter, packets),
+ INIT_COUNTER(traffic_counter, octets),
+};
+
static int counters_set_description(struct ib_counters *counters,
enum mlx5_ib_counters_type counters_type,
const void __user *cntrs_data,
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 81b36b35bcb8..ef27fc42b86b 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -828,7 +828,12 @@ enum mlx5_ib_counters_type {
struct mlx5_ib_mcounters {
struct ib_counters ibcntrs;
enum mlx5_ib_counters_type type;
+ /* number of counters supported for this counters type */
+ u32 counters_num;
void *hw_cntrs_hndl;
+ /* read function for this counters type */
+ int (*read_counters)(struct ib_device *ibdev,
+ struct mlx5_read_counters_attr *read_attr);
/* max index set as part of create_flow */
u32 cntrs_max_index;
/* number of counters data entries (<description,index> pair) */
--
2.14.3
--
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