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bridge: defer switchdev fdb del call in fdb_del_external_learn

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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>
This commit is contained in:
Jiri Pirko 2015-10-14 19:40:53 +02:00 committed by David S. Miller
parent 4d429c5ddc
commit 56607386e8
2 changed files with 7 additions and 1 deletions
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5
net/bridge/br_fdb.c
View File

@ -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,
};

3
net/bridge/br_if.c
View File

@ -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);