1*007f790cSJiri Pirko /* 2*007f790cSJiri Pirko * net/switchdev/switchdev.c - Switch device API 3*007f790cSJiri Pirko * Copyright (c) 2014 Jiri Pirko <[email protected]> 4*007f790cSJiri Pirko * 5*007f790cSJiri Pirko * This program is free software; you can redistribute it and/or modify 6*007f790cSJiri Pirko * it under the terms of the GNU General Public License as published by 7*007f790cSJiri Pirko * the Free Software Foundation; either version 2 of the License, or 8*007f790cSJiri Pirko * (at your option) any later version. 9*007f790cSJiri Pirko */ 10*007f790cSJiri Pirko 11*007f790cSJiri Pirko #include <linux/kernel.h> 12*007f790cSJiri Pirko #include <linux/types.h> 13*007f790cSJiri Pirko #include <linux/init.h> 14*007f790cSJiri Pirko #include <linux/netdevice.h> 15*007f790cSJiri Pirko #include <net/switchdev.h> 16*007f790cSJiri Pirko 17*007f790cSJiri Pirko /** 18*007f790cSJiri Pirko * netdev_switch_parent_id_get - Get ID of a switch 19*007f790cSJiri Pirko * @dev: port device 20*007f790cSJiri Pirko * @psid: switch ID 21*007f790cSJiri Pirko * 22*007f790cSJiri Pirko * Get ID of a switch this port is part of. 23*007f790cSJiri Pirko */ 24*007f790cSJiri Pirko int netdev_switch_parent_id_get(struct net_device *dev, 25*007f790cSJiri Pirko struct netdev_phys_item_id *psid) 26*007f790cSJiri Pirko { 27*007f790cSJiri Pirko const struct net_device_ops *ops = dev->netdev_ops; 28*007f790cSJiri Pirko 29*007f790cSJiri Pirko if (!ops->ndo_switch_parent_id_get) 30*007f790cSJiri Pirko return -EOPNOTSUPP; 31*007f790cSJiri Pirko return ops->ndo_switch_parent_id_get(dev, psid); 32*007f790cSJiri Pirko } 33*007f790cSJiri Pirko EXPORT_SYMBOL(netdev_switch_parent_id_get); 34