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net/mlx5_core: Implement get/set port status 

Implemet get/set port status low level functions to be exposed by the
netdev.

Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rana Shahout 2015-05-28 22:28:43 +03:00 committed by David S. Miller
parent adb0c9545b
commit 4c916a7980
2 changed files with 40 additions and 0 deletions
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32
drivers/net/ethernet/mellanox/mlx5/core/port.c
View File

@ -179,3 +179,35 @@ int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
return err;
}
EXPORT_SYMBOL_GPL(mlx5_set_port_proto);
int mlx5_set_port_status(struct mlx5_core_dev *dev,
enum mlx5_port_status status)
{
u32 in[MLX5_ST_SZ_DW(paos_reg)];
u32 out[MLX5_ST_SZ_DW(paos_reg)];
memset(in, 0, sizeof(in));
MLX5_SET(paos_reg, in, admin_status, status);
MLX5_SET(paos_reg, in, ase, 1);
return mlx5_core_access_reg(dev, in, sizeof(in), out,
sizeof(out), MLX5_REG_PAOS, 0, 1);
}
int mlx5_query_port_status(struct mlx5_core_dev *dev, u8 *status)
{
u32 in[MLX5_ST_SZ_DW(paos_reg)];
u32 out[MLX5_ST_SZ_DW(paos_reg)];
int err;
memset(in, 0, sizeof(in));
err = mlx5_core_access_reg(dev, in, sizeof(in), out,
sizeof(out), MLX5_REG_PAOS, 0, 0);
if (err)
return err;
*status = MLX5_GET(paos_reg, out, oper_status);
return err;
}

8
include/linux/mlx5/driver.h
View File

@ -149,6 +149,11 @@ enum mlx5_dev_event {
MLX5_DEV_EVENT_CLIENT_REREG,
};
enum mlx5_port_status {
MLX5_PORT_UP = 1 << 1,
MLX5_PORT_DOWN = 1 << 2,
};
struct mlx5_uuar_info {
struct mlx5_uar *uars;
int num_uars;
@ -701,6 +706,9 @@ int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
u32 *proto_admin, int proto_mask);
int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
int proto_mask);
int mlx5_set_port_status(struct mlx5_core_dev *dev,
enum mlx5_port_status status);
int mlx5_query_port_status(struct mlx5_core_dev *dev, u8 *status);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);