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03bf0c2812
This patch introduces new notifier for purposes of exposing events which happen on switch driver side. The consumers of the event messages are mainly involved masters, namely bridge and ovs. Suggested-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
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* include/net/switchdev.h - Switch device API
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* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _LINUX_SWITCHDEV_H_
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#define _LINUX_SWITCHDEV_H_
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#include <linux/netdevice.h>
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#include <linux/notifier.h>
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struct netdev_switch_notifier_info {
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struct net_device *dev;
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};
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static inline struct net_device *
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netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info)
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{
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return info->dev;
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}
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#ifdef CONFIG_NET_SWITCHDEV
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int netdev_switch_parent_id_get(struct net_device *dev,
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struct netdev_phys_item_id *psid);
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int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
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int register_netdev_switch_notifier(struct notifier_block *nb);
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int unregister_netdev_switch_notifier(struct notifier_block *nb);
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int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
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struct netdev_switch_notifier_info *info);
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#else
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static inline int netdev_switch_parent_id_get(struct net_device *dev,
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struct netdev_phys_item_id *psid)
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{
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return -EOPNOTSUPP;
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}
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static inline int netdev_switch_port_stp_update(struct net_device *dev,
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u8 state)
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{
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return -EOPNOTSUPP;
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}
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static inline int register_netdev_switch_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int unregister_netdev_switch_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
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struct netdev_switch_notifier_info *info);
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{
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return NOTIFY_DONE;
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}
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#endif
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#endif /* _LINUX_SWITCHDEV_H_ */
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