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-rw-r--r--net/bridge/br_private.h1
-rw-r--r--net/bridge/br_stp.c4
2 files changed, 3 insertions, 2 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 54578f274d8..78cc364997d 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -124,6 +124,7 @@ struct net_bridge_port
bridge_id designated_bridge;
u32 path_cost;
u32 designated_cost;
+ unsigned long designated_age;
struct timer_list forward_delay_timer;
struct timer_list hold_timer;
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index bb4383e84de..fcff6225154 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -164,8 +164,7 @@ void br_transmit_config(struct net_bridge_port *p)
else {
struct net_bridge_port *root
= br_get_port(br, br->root_port);
- bpdu.message_age = br->max_age
- - (root->message_age_timer.expires - jiffies)
+ bpdu.message_age = (jiffies - root->designated_age)
+ MESSAGE_AGE_INCR;
}
bpdu.max_age = br->max_age;
@@ -189,6 +188,7 @@ static inline void br_record_config_information(struct net_bridge_port *p,
p->designated_cost = bpdu->root_path_cost;
p->designated_bridge = bpdu->bridge_id;
p->designated_port = bpdu->port_id;
+ p->designated_age = jiffies + bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
+ (p->br->max_age - bpdu->message_age));