mlxsw: Ignore ports that are connected to eXtended mezanine

Use the info stored in the bus_info struct about the eXtended mezanine
connected ports and don't expose them.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlxsw/core.c

@@ -2856,6 +2856,18 @@ mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
 }
 EXPORT_SYMBOL(mlxsw_core_port_devlink_port_get);
 
+bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u8 local_port)
+{
+	const struct mlxsw_bus_info *bus_info = mlxsw_core->bus_info;
+	int i;
+
+	for (i = 0; i < bus_info->xm_local_ports_count; i++)
+		if (bus_info->xm_local_ports[i] == local_port)
+			return true;
+	return false;
+}
+EXPORT_SYMBOL(mlxsw_core_port_is_xm);
+
 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core)
 {
 	return mlxsw_core->env;

drivers/net/ethernet/mellanox/mlxsw/core.h

@@ -223,6 +223,7 @@ enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
 struct devlink_port *
 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
 				 u8 local_port);
+bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u8 local_port);
 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
 bool mlxsw_core_is_initialized(const struct mlxsw_core *mlxsw_core);
 int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module);

drivers/net/ethernet/mellanox/mlxsw/minimal.c

@@ -291,7 +291,8 @@ static int mlxsw_m_ports_create(struct mlxsw_m *mlxsw_m)
 
 	/* Create port objects for each valid entry */
 	for (i = 0; i < mlxsw_m->max_ports; i++) {
-		if (mlxsw_m->module_to_port[i] > 0) {
+		if (mlxsw_m->module_to_port[i] > 0 &&
+		    !mlxsw_core_port_is_xm(mlxsw_m->core, i)) {
 			err = mlxsw_m_port_create(mlxsw_m,
 						  mlxsw_m->module_to_port[i],
 						  i);

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -1840,6 +1840,9 @@ static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp)
 		return -ENOMEM;
 
 	for (i = 1; i < max_ports; i++) {
+		if (mlxsw_core_port_is_xm(mlxsw_sp->core, i))
+			continue;
+
 		err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &port_mapping);
 		if (err)
 			goto err_port_module_info_get;