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, 0 deletions

diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 6f615b8192f4..10eda3cd1d71 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -88,6 +88,7 @@ void br_stp_enable_port(struct net_bridge_port *p)
         br_init_port(p);
         br_port_state_selection(p->br);
         br_log_state(p);
+        br_ifinfo_notify(RTM_NEWLINK, p);
 }
 
 /* called under bridge lock */
@@ -104,6 +105,8 @@ void br_stp_disable_port(struct net_bridge_port *p)
         p->topology_change_ack = 0;
         p->config_pending = 0;
 
+        br_ifinfo_notify(RTM_NEWLINK, p);
+
         del_timer(&p->message_age_timer);
         del_timer(&p->forward_delay_timer);
         del_timer(&p->hold_timer);