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-rw-r--r--net/bridge/br_stp.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 9258b8ef14ff..6ebe2a021e3c 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -562,6 +562,24 @@ int br_set_max_age(struct net_bridge *br, unsigned long val)
}
+/* called under bridge lock */
+int __set_ageing_time(struct net_device *dev, unsigned long t)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = dev,
+ .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
+ .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP | SWITCHDEV_F_DEFER,
+ .u.ageing_time = jiffies_to_clock_t(t),
+ };
+ int err;
+
+ err = switchdev_port_attr_set(dev, &attr);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
/* Set time interval that dynamic forwarding entries live
* For pure software bridge, allow values outside the 802.1
* standard specification for special cases:
@@ -572,17 +590,11 @@ int br_set_max_age(struct net_bridge *br, unsigned long val)
*/
int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time)
{
- struct switchdev_attr attr = {
- .orig_dev = br->dev,
- .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
- .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
- .u.ageing_time = ageing_time,
- };
unsigned long t = clock_t_to_jiffies(ageing_time);
int err;
- err = switchdev_port_attr_set(br->dev, &attr);
- if (err && err != -EOPNOTSUPP)
+ err = __set_ageing_time(br->dev, t);
+ if (err)
return err;
br->ageing_time = t;