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Commit b54ba277 authored by Meny Yossefi's avatar Meny Yossefi Committed by Doug Ledford
Browse files

net/mlx5_core: Add helper function to read virtual port counters 



Added helper function to read 64bit virtual port Infiniband traffic
counters.

Signed-off-by: default avatarMeny Yossefi <menyy@mellanox.com>
Signed-off-by: default avatarMajd Dibbiny <majd@mellanox.com>
Reviewed-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent fc77dbd3

drivers/net/ethernet/mellanox/mlx5/core/vport.c

+40 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/mlx5/mlx5_ifc.h

+2 −1
Original line number Diff line number Diff line
@@ -3126,7 +3126,8 @@ 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];

include/linux/mlx5/vport.h

+2 −0
Original line number Diff line number Diff line
@@ -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__ */