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); |