diff options
Diffstat (limited to 'net/switchdev/switchdev.c')
-rw-r--r-- | net/switchdev/switchdev.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c new file mode 100644 index 000000000000..d162b21b14bd --- /dev/null +++ b/net/switchdev/switchdev.c | |||
@@ -0,0 +1,52 @@ | |||
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); | ||
34 | |||
35 | /** | ||
36 | * netdev_switch_port_stp_update - Notify switch device port of STP | ||
37 | * state change | ||
38 | * @dev: port device | ||
39 | * @state: port STP state | ||
40 | * | ||
41 | * Notify switch device port of bridge port STP state change. | ||
42 | */ | ||
43 | int netdev_switch_port_stp_update(struct net_device *dev, u8 state) | ||
44 | { | ||
45 | const struct net_device_ops *ops = dev->netdev_ops; | ||
46 | |||
47 | if (!ops->ndo_switch_port_stp_update) | ||
48 | return -EOPNOTSUPP; | ||
49 | WARN_ON(!ops->ndo_switch_parent_id_get); | ||
50 | return ops->ndo_switch_port_stp_update(dev, state); | ||
51 | } | ||
52 | EXPORT_SYMBOL(netdev_switch_port_stp_update); | ||