From: Meny Yossefi <menyy@xxxxxxxxxxxx>
Added helper function to read 64bit virtual port Infiniband traffic
counters.
Signed-off-by: Meny Yossefi <menyy@xxxxxxxxxxxx>
Signed-off-by: Majd Dibbiny <majd@xxxxxxxxxxxx>
Reviewed-by: Matan Barak <matanb@xxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/vport.c | 40 +++++++++++++++++++++++++
include/linux/mlx5/mlx5_ifc.h | 3 +-
include/linux/mlx5/vport.h | 2 ++
3 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index c7398b9..90ab09e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -850,3 +850,43 @@ int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
return mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_DISABLED);
}
EXPORT_SYMBOL_GPL(mlx5_nic_vport_disable_roce);
+
+int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
+ u8 port_num, void *out, size_t out_sz)
+{
+ int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
+ int is_group_manager;
+ void *in;
+ int err;
+
+ is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
+ in = mlx5_vzalloc(in_sz);
+ if (!in) {
+ err = -ENOMEM;
+ return err;
+ }
+
+ MLX5_SET(query_vport_counter_in, in, opcode,
+ MLX5_CMD_OP_QUERY_VPORT_COUNTER);
+ if (other_vport) {
+ if (is_group_manager) {
+ MLX5_SET(query_vport_counter_in, in, other_vport, 1);
+ MLX5_SET(query_vport_counter_in, in, vport_number, 0);
+ } else {
+ err = -EPERM;
+ goto free;
+ }
+ }
+ if (MLX5_CAP_GEN(dev, num_ports) == 2)
+ MLX5_SET(query_vport_counter_in, in, port_num, port_num);
+
+ err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
+ if (err)
+ goto free;
+ err = mlx5_cmd_status_to_err_v2(out);
+
+free:
+ kvfree(in);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index d34ad50..7dd48b32 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -3169,7 +3169,8 @@ struct mlx5_ifc_query_vport_counter_in_bits {
u8 op_mod[0x10];
u8 other_vport[0x1];
- u8 reserved_at_41[0xf];
+ u8 reserved_at_41[0xb];
+ u8 port_num[0x4];
u8 vport_number[0x10];
u8 reserved_at_60[0x60];
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 1237710..a9f2bcc 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -92,5 +92,7 @@ int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev);
int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev);
+int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
+ u8 port_num, void *out, size_t out_sz);
#endif /* __MLX5_VPORT_H__ */
--
1.8.3.1
--
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