bridge: push bridge setting ageing_time down to switchdev
Use SWITCHDEV_F_SKIP_EOPNOTSUPP to skip over ports in bridge that don't
support setting ageing_time (or setting bridge attrs in general).
If push fails, don't update ageing_time in bridge and return err to user.
If push succeeds, update ageing_time in bridge and run gc_timer now to
recalabrate when to run gc_timer next, based on new ageing_time.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 3a982c0..db6d243de 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -566,6 +566,29 @@
}
+int br_set_ageing_time(struct net_bridge *br, u32 ageing_time)
+{
+ struct switchdev_attr attr = {
+ .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;
+
+ if (t < BR_MIN_AGEING_TIME || t > BR_MAX_AGEING_TIME)
+ return -ERANGE;
+
+ err = switchdev_port_attr_set(br->dev, &attr);
+ if (err)
+ return err;
+
+ br->ageing_time = t;
+ mod_timer(&br->gc_timer, jiffies);
+
+ return 0;
+}
+
void __br_set_forward_delay(struct net_bridge *br, unsigned long t)
{
br->bridge_forward_delay = t;