Introduce a handler to bridge module for handling vlan-specific
events.
Signed-off-by: Sevinj Aghayeva <sevinj.aghayeva@xxxxxxxxx>
---
net/bridge/br.c | 5 +++++
net/bridge/br_private.h | 7 +++++++
net/bridge/br_vlan.c | 18 ++++++++++++++++++
3 files changed, 30 insertions(+)
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 96e91d69a9a8..62e939c6a3f0 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -51,6 +51,11 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
}
}
+ if (is_vlan_dev(dev)) {
+ br_vlan_device_event(dev, event, ptr);
+ return NOTIFY_DONE;
+ }
+
/* not a port of a bridge */
p = br_port_get_rtnl(dev);
if (!p)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 06e5f6faa431..a9a08e49c76c 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -1470,6 +1470,8 @@ void br_vlan_get_stats(const struct net_bridge_vlan *v,
void br_vlan_port_event(struct net_bridge_port *p, unsigned long event);
int br_vlan_bridge_event(struct net_device *dev, unsigned long event,
void *ptr);
+void br_vlan_device_event(struct net_device *dev, unsigned long event,
+ void *ptr);
void br_vlan_rtnl_init(void);
void br_vlan_rtnl_uninit(void);
void br_vlan_notify(const struct net_bridge *br,
@@ -1701,6 +1703,11 @@ static inline int br_vlan_bridge_event(struct net_device *dev,
return 0;
}
+static void br_vlan_device_event(struct net_device *dev,
+ unsigned long event, void *ptr)
+{
+}
+
static inline void br_vlan_rtnl_init(void)
{
}
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 6e53dc991409..ba4e3c7a5f03 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/netdevice.h>
+#include <linux/notifier_info.h>
#include <linux/rtnetlink.h>
#include <linux/slab.h>
#include <net/switchdev.h>
@@ -1768,6 +1769,23 @@ void br_vlan_port_event(struct net_bridge_port *p, unsigned long event)
}
}
+void br_vlan_device_event(struct net_device *dev,
+ unsigned long event, void *ptr)
+{
+ struct netdev_notifier_change_details_info *details;
+ struct net_device *br_dev;
+
+ switch (event) {
+ case NETDEV_CHANGE_DETAILS:
+ details = ptr;
+ if (!netif_is_bridge_master(vlan_dev_priv(dev)->real_dev))
+ break;
+ br_dev = vlan_dev_priv(dev)->real_dev;
+ br_vlan_upper_change(br_dev, dev, details->vlan.bridge_binding);
+ break;
+ }
+}
+
static bool br_vlan_stats_fill(struct sk_buff *skb,
const struct net_bridge_vlan *v)
{
--
2.34.1
