mlxsw: core: Add mlxsw_core_port_driver_priv helper

Needed in following patch.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 184e985..d0c471f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -137,6 +137,15 @@ struct mlxsw_core_port {
        struct devlink_port devlink_port;
 };
 
+static inline void *
+mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port)
+{
+       /* mlxsw_core_port is ensured to always be the first field in driver
+        * port structure.
+        */
+       return mlxsw_core_port;
+}
+
 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core,
                         struct mlxsw_core_port *mlxsw_core_port, u8 local_port,
                         struct net_device *dev, bool split, u32 split_group);