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authorJiri Pirko <jiri@mellanox.com>2015-10-14 19:40:53 +0200
committerDavid S. Miller <davem@davemloft.net>2015-10-15 06:09:50 -0700
commit56607386e80cc7ce923592e115a3492485b47c72 (patch)
tree7d6cce62e322c0926cde33503de35f4ede539328 /net/bridge
parent4d429c5ddc5128fccd3048059ae26bb39f0d8284 (diff)
downloadlinux-56607386e80cc7ce923592e115a3492485b47c72.tar.gz
bridge: defer switchdev fdb del call in fdb_del_external_learn
Since spinlock is held here, defer the switchdev operation. Also, ensure
that defered switchdev ops are processed before port master device
is unlinked.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_fdb.c5
-rw-r--r--net/bridge/br_if.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index f5e7da0fe93b..c88bd8e8937e 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -134,7 +134,10 @@ static void fdb_del_hw_addr(struct net_bridge *br, const unsigned char *addr)
 static void fdb_del_external_learn(struct net_bridge_fdb_entry *f)
 {
 	struct switchdev_obj_port_fdb fdb = {
-		.obj.id = SWITCHDEV_OBJ_ID_PORT_FDB,
+		.obj = {
+			.id = SWITCHDEV_OBJ_ID_PORT_FDB,
+			.flags = SWITCHDEV_F_DEFER,
+		},
 		.vid = f->vlan_id,
 	};
 
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 45e4757c6fd2..ec02f5869a78 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -24,6 +24,7 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/if_vlan.h>
+#include <net/switchdev.h>
 
 #include "br_private.h"
 
@@ -250,6 +251,8 @@ static void del_nbp(struct net_bridge_port *p)
 
 	nbp_vlan_flush(p);
 	br_fdb_delete_by_port(br, p, 0, 1);
+	switchdev_deferred_process();
+
 	nbp_update_port_count(br);
 
 	netdev_upper_dev_unlink(dev, br->dev);