net/mlx5_core: Implement access functions of ptys register fields

Those registers will be used by the ethtool to set/get settings.

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>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 49e90f2..6e2d99c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -102,3 +102,80 @@ int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps)
        return err;
 }
 EXPORT_SYMBOL_GPL(mlx5_set_port_caps);
+
+int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
+                        int ptys_size, int proto_mask)
+{
+       u32 in[MLX5_ST_SZ_DW(ptys_reg)];
+       int err;
+
+       memset(in, 0, sizeof(in));
+       MLX5_SET(ptys_reg, in, local_port, 1);
+       MLX5_SET(ptys_reg, in, proto_mask, proto_mask);
+
+       err = mlx5_core_access_reg(dev, in, sizeof(in), ptys,
+                                  ptys_size, MLX5_REG_PTYS, 0, 0);
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_port_ptys);
+
+int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
+                             u32 *proto_cap, int proto_mask)
+{
+       u32 out[MLX5_ST_SZ_DW(ptys_reg)];
+       int err;
+
+       err = mlx5_query_port_ptys(dev, out, sizeof(out), proto_mask);
+       if (err)
+               return err;
+
+       if (proto_mask == MLX5_PTYS_EN)
+               *proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability);
+       else
+               *proto_cap = MLX5_GET(ptys_reg, out, ib_proto_capability);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_port_proto_cap);
+
+int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
+                               u32 *proto_admin, int proto_mask)
+{
+       u32 out[MLX5_ST_SZ_DW(ptys_reg)];
+       int err;
+
+       err = mlx5_query_port_ptys(dev, out, sizeof(out), proto_mask);
+       if (err)
+               return err;
+
+       if (proto_mask == MLX5_PTYS_EN)
+               *proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
+       else
+               *proto_admin = MLX5_GET(ptys_reg, out, ib_proto_admin);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_port_proto_admin);
+
+int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
+                       int proto_mask)
+{
+       u32 in[MLX5_ST_SZ_DW(ptys_reg)];
+       u32 out[MLX5_ST_SZ_DW(ptys_reg)];
+       int err;
+
+       memset(in, 0, sizeof(in));
+
+       MLX5_SET(ptys_reg, in, local_port, 1);
+       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);
+       else
+               MLX5_SET(ptys_reg, in, ib_proto_admin, proto_admin);
+
+       err = mlx5_core_access_reg(dev, in, sizeof(in), out,
+                                  sizeof(out), MLX5_REG_PTYS, 0, 1);
+       return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_set_port_proto);

diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 6b91991..266d549 100644 (file)
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -504,6 +504,11 @@ enum {
        MLX5_COMP_EQ_SIZE = 1024,
 };
 
+enum {
+       MLX5_PTYS_IB = 1 << 0,
+       MLX5_PTYS_EN = 1 << 2,
+};
+
 struct mlx5_db_pgdir {
        struct list_head        list;
        DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
@@ -686,7 +691,16 @@ void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
                         int size_in, void *data_out, int size_out,
                         u16 reg_num, int arg, int write);
+
 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
+int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
+                        int ptys_size, int proto_mask);
+int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
+                             u32 *proto_cap, int proto_mask);
+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_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);