diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/port.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/port.c | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 3e35611b19c3..752c08127138 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -202,15 +202,24 @@ int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev, } EXPORT_SYMBOL_GPL(mlx5_query_port_proto_oper); -int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin, - int proto_mask) +int mlx5_set_port_ptys(struct mlx5_core_dev *dev, bool an_disable, + u32 proto_admin, int proto_mask) { - u32 in[MLX5_ST_SZ_DW(ptys_reg)]; u32 out[MLX5_ST_SZ_DW(ptys_reg)]; + u32 in[MLX5_ST_SZ_DW(ptys_reg)]; + u8 an_disable_admin; + u8 an_disable_cap; + u8 an_status; + + mlx5_query_port_autoneg(dev, proto_mask, &an_status, + &an_disable_cap, &an_disable_admin); + if (!an_disable_cap && an_disable) + return -EPERM; memset(in, 0, sizeof(in)); MLX5_SET(ptys_reg, in, local_port, 1); + MLX5_SET(ptys_reg, in, an_disable_admin, an_disable); MLX5_SET(ptys_reg, in, proto_mask, proto_mask); if (proto_mask == MLX5_PTYS_EN) MLX5_SET(ptys_reg, in, eth_proto_admin, proto_admin); @@ -220,7 +229,19 @@ int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin, return mlx5_core_access_reg(dev, in, sizeof(in), out, sizeof(out), MLX5_REG_PTYS, 0, 1); } -EXPORT_SYMBOL_GPL(mlx5_set_port_proto); +EXPORT_SYMBOL_GPL(mlx5_set_port_ptys); + +/* This function should be used after setting a port register only */ +void mlx5_toggle_port_link(struct mlx5_core_dev *dev) +{ + enum mlx5_port_status ps; + + mlx5_query_port_admin_status(dev, &ps); + mlx5_set_port_admin_status(dev, MLX5_PORT_DOWN); + if (ps == MLX5_PORT_UP) + mlx5_set_port_admin_status(dev, MLX5_PORT_UP); +} +EXPORT_SYMBOL_GPL(mlx5_toggle_port_link); int mlx5_set_port_admin_status(struct mlx5_core_dev *dev, enum mlx5_port_status status) @@ -518,6 +539,25 @@ int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx, u8 *pfc_en_rx) } EXPORT_SYMBOL_GPL(mlx5_query_port_pfc); +void mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask, + u8 *an_status, + u8 *an_disable_cap, u8 *an_disable_admin) +{ + u32 out[MLX5_ST_SZ_DW(ptys_reg)]; + + *an_status = 0; + *an_disable_cap = 0; + *an_disable_admin = 0; + + if (mlx5_query_port_ptys(dev, out, sizeof(out), proto_mask, 1)) + return; + + *an_status = MLX5_GET(ptys_reg, out, an_status); + *an_disable_cap = MLX5_GET(ptys_reg, out, an_disable_cap); + *an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); +} +EXPORT_SYMBOL_GPL(mlx5_query_port_autoneg); + int mlx5_max_tc(struct mlx5_core_dev *mdev) { u8 num_tc = MLX5_CAP_GEN(mdev, max_tc) ? : 8; |