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Commit bded747b authored by Huy Nguyen's avatar Huy Nguyen Committed by Doug Ledford
Browse files

net/mlx5: Add raw ethernet local loopback firmware command 



Add support for raw ethernet local loopback firmware command.

Signed-off-by: default avatarHuy Nguyen <huyn@mellanox.com>
Reviewed-by: default avatarDaniel Jurgens <danielj@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 520eccdf

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

+62 −0
Original line number Original line Diff line number Diff line
@@ -897,6 +897,68 @@ int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev, 
}

}

EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc);

EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc);





enum {

	UC_LOCAL_LB,

	MC_LOCAL_LB

};



int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable)

{

	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);

	void *in;

	int err;



	mlx5_core_dbg(mdev, "%s local_lb\n", enable ? "enable" : "disable");

	in = kvzalloc(inlen, GFP_KERNEL);

	if (!in)

		return -ENOMEM;



	MLX5_SET(modify_nic_vport_context_in, in,

		 field_select.disable_mc_local_lb, 1);

	MLX5_SET(modify_nic_vport_context_in, in,

		 nic_vport_context.disable_mc_local_lb, !enable);



	MLX5_SET(modify_nic_vport_context_in, in,

		 field_select.disable_uc_local_lb, 1);

	MLX5_SET(modify_nic_vport_context_in, in,

		 nic_vport_context.disable_uc_local_lb, !enable);



	err = mlx5_modify_nic_vport_context(mdev, in, inlen);



	kvfree(in);

	return err;

}

EXPORT_SYMBOL_GPL(mlx5_nic_vport_update_local_lb);



int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status)

{

	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);

	u32 *out;

	int value;

	int err;



	out = kzalloc(outlen, GFP_KERNEL);

	if (!out)

		return -ENOMEM;



	err = mlx5_query_nic_vport_context(mdev, 0, out, outlen);

	if (err)

		goto out;



	value = MLX5_GET(query_nic_vport_context_out, out,

			 nic_vport_context.disable_mc_local_lb) << MC_LOCAL_LB;



	value |= MLX5_GET(query_nic_vport_context_out, out,

			  nic_vport_context.disable_uc_local_lb) << UC_LOCAL_LB;



	*status = !value;



out:

	kfree(out);

	return err;

}

EXPORT_SYMBOL_GPL(mlx5_nic_vport_query_local_lb);



enum mlx5_vport_roce_state {

enum mlx5_vport_roce_state {

	MLX5_VPORT_ROCE_DISABLED = 0,

	MLX5_VPORT_ROCE_DISABLED = 0,

	MLX5_VPORT_ROCE_ENABLED  = 1,

	MLX5_VPORT_ROCE_ENABLED  = 1,

include/linux/mlx5/mlx5_ifc.h

+8 −3
Original line number Original line Diff line number Diff line
@@ -1016,7 +1016,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { 
	u8         log_max_wq_sz[0x5];

	u8         log_max_wq_sz[0x5];





	u8         nic_vport_change_event[0x1];

	u8         nic_vport_change_event[0x1];

	u8         reserved_at_3e1[0xa];

	u8         disable_local_lb[0x1];

	u8         reserved_at_3e2[0x9];

	u8         log_max_vlan_list[0x5];

	u8         log_max_vlan_list[0x5];

	u8         reserved_at_3f0[0x3];

	u8         reserved_at_3f0[0x3];

	u8         log_max_current_mc_list[0x5];

	u8         log_max_current_mc_list[0x5];
@@ -2562,7 +2563,9 @@ struct mlx5_ifc_rmpc_bits { 
struct mlx5_ifc_nic_vport_context_bits {

struct mlx5_ifc_nic_vport_context_bits {

	u8         reserved_at_0[0x5];

	u8         reserved_at_0[0x5];

	u8         min_wqe_inline_mode[0x3];

	u8         min_wqe_inline_mode[0x3];

	u8         reserved_at_8[0x17];

	u8         reserved_at_8[0x15];

	u8         disable_mc_local_lb[0x1];

	u8         disable_uc_local_lb[0x1];

	u8         roce_en[0x1];

	u8         roce_en[0x1];





	u8         arm_change_event[0x1];

	u8         arm_change_event[0x1];
@@ -5229,7 +5232,9 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits { 
};

};





struct mlx5_ifc_modify_nic_vport_field_select_bits {

struct mlx5_ifc_modify_nic_vport_field_select_bits {

	u8         reserved_at_0[0x16];

	u8         reserved_at_0[0x14];

	u8         disable_uc_local_lb[0x1];

	u8         disable_mc_local_lb[0x1];

	u8         node_guid[0x1];

	u8         node_guid[0x1];

	u8         port_guid[0x1];

	u8         port_guid[0x1];

	u8         min_inline[0x1];

	u8         min_inline[0x1];

include/linux/mlx5/vport.h

+2 −1
Original line number Original line Diff line number Diff line
@@ -114,5 +114,6 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev, 
				       u8 other_vport, u8 port_num,

				       u8 other_vport, u8 port_num,

				       int vf,

				       int vf,

				       struct mlx5_hca_vport_context *req);

				       struct mlx5_hca_vport_context *req);



int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable);

int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status);

#endif /* __MLX5_VPORT_H__ */
 
#endif /* __MLX5_VPORT_H__ */