projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 007f790c JP |
1 | /* |
| 2 | * net/switchdev/switchdev.c - Switch device API | |
| 3 | * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License as published by | |
| 7 | * the Free Software Foundation; either version 2 of the License, or | |
| 8 | * (at your option) any later version. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/kernel.h> | |
| 12 | #include <linux/types.h> | |
| 13 | #include <linux/init.h> | |
| 14 | #include <linux/netdevice.h> | |
| 15 | #include <net/switchdev.h> | |
| 16 | ||
| 17 | /** | |
| 18 | * netdev_switch_parent_id_get - Get ID of a switch | |
| 19 | * @dev: port device | |
| 20 | * @psid: switch ID | |
| 21 | * | |
| 22 | * Get ID of a switch this port is part of. | |
| 23 | */ | |
| 24 | int netdev_switch_parent_id_get(struct net_device *dev, | |
| 25 | struct netdev_phys_item_id *psid) | |
| 26 | { | |
| 27 | const struct net_device_ops *ops = dev->netdev_ops; | |
| 28 | ||
| 29 | if (!ops->ndo_switch_parent_id_get) | |
| 30 | return -EOPNOTSUPP; | |
| 31 | return ops->ndo_switch_parent_id_get(dev, psid); | |
| 32 | } | |
| 33 | EXPORT_SYMBOL(netdev_switch_parent_id_get); |