bridge: define some min/max/default ageing time constants
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index dad8b00..a338a68 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -46,6 +46,12 @@
#define BR_LEARNING_SYNC BIT(9)
#define BR_PROXYARP_WIFI BIT(10)
+/* values as per ieee8021QBridgeFdbAgingTime */
+#define BR_MIN_AGEING_TIME (10 * HZ)
+#define BR_MAX_AGEING_TIME (1000000 * HZ)
+
+#define BR_DEFAULT_AGEING_TIME (300 * HZ)
+
extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
typedef int br_should_route_hook_t(struct sk_buff *skb);
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 6ed2feb..2f81624 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -391,7 +391,7 @@
br->bridge_max_age = br->max_age = 20 * HZ;
br->bridge_hello_time = br->hello_time = 2 * HZ;
br->bridge_forward_delay = br->forward_delay = 15 * HZ;
- br->ageing_time = 300 * HZ;
+ br->ageing_time = BR_DEFAULT_AGEING_TIME;
br_netfilter_rtable_init(br);
br_stp_timer_init(br);