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Diffstat (limited to 'net/bridge/br_stp.c')
-rw-r--r--net/bridge/br_stp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index dd147d78a588..6751ed4e0c07 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -17,9 +17,9 @@
#include "br_private_stp.h"
/* since time values in bpdu are in jiffies and then scaled (1/256)
- * before sending, make sure that is at least one.
+ * before sending, make sure that is at least one STP tick.
*/
-#define MESSAGE_AGE_INCR ((HZ < 256) ? 1 : (HZ/256))
+#define MESSAGE_AGE_INCR ((HZ / 256) + 1)
static const char *const br_port_state_names[] = {
[BR_STATE_DISABLED] = "disabled",
@@ -186,7 +186,7 @@ static 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;
+ p->designated_age = jiffies - bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
+ (p->br->max_age - bpdu->message_age));