bridge: add notification over netlink when STP changes state

When STP changes state of interface need to send a new link
message to reflect that change.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index fcff62251547..4d651af57a90 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -363,6 +363,8 @@ static void br_make_blocking(struct net_bridge_port *p)
 
                 p->state = BR_STATE_BLOCKING;
                 br_log_state(p);
+                br_ifinfo_notify(RTM_NEWLINK, p);
+
                 del_timer(&p->forward_delay_timer);
         }
 }
@@ -386,8 +388,8 @@ static void br_make_forwarding(struct net_bridge_port *p)
                 p->state = BR_STATE_LEARNING;
 
         br_multicast_enable_port(p);
-
         br_log_state(p);
+        br_ifinfo_notify(RTM_NEWLINK, p);
 
         if (br->forward_delay != 0)
                 mod_timer(&p->forward_delay_timer, jiffies + br->forward_delay);