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authorJiri Pirko <jiri@resnulli.us>2015-01-15 23:49:36 +0100
committerDavid S. Miller <davem@davemloft.net>2015-01-18 00:23:57 -0500
commit03bf0c281234028388108d0aee720954f5fe6924 (patch)
treec1cdfebacbe5d09e904ef185faafd7d8dffc7ee8 /include
parentff8b335610cac5509156f28e03355c895bcc94f5 (diff)
switchdev: introduce switchdev notifier
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>
Diffstat (limited to 'include')
-rw-r--r--include/net/switchdev.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 8a6d1641fd9b..7f8d74372d87 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -11,12 +11,27 @@
#define _LINUX_SWITCHDEV_H_
#include <linux/netdevice.h>
+#include <linux/notifier.h>
+
+struct netdev_switch_notifier_info {
+ struct net_device *dev;
+};
+
+static inline struct net_device *
+netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info)
+{
+ return info->dev;
+}
#ifdef CONFIG_NET_SWITCHDEV
int netdev_switch_parent_id_get(struct net_device *dev,
struct netdev_phys_item_id *psid);
int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
+int register_netdev_switch_notifier(struct notifier_block *nb);
+int unregister_netdev_switch_notifier(struct notifier_block *nb);
+int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
+ struct netdev_switch_notifier_info *info);
#else
@@ -32,6 +47,22 @@ static inline int netdev_switch_port_stp_update(struct net_device *dev,
return -EOPNOTSUPP;
}
+static inline int register_netdev_switch_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+
+static inline int unregister_netdev_switch_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+
+static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
+ struct netdev_switch_notifier_info *info);
+{
+ return NOTIFY_DONE;
+}
+
#endif
#endif /* _LINUX_SWITCHDEV_H_ */