team: update master carrier state

Update master's carrier state when there is any
change with its ports.

Signed-off-by: Flavio Leitner <fbl@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 918a901754b6..78c7d8724614 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1400,13 +1400,11 @@ static void team_destructor(struct net_device *dev)
 
 static int team_open(struct net_device *dev)
 {
-        netif_carrier_on(dev);
         return 0;
 }
 
 static int team_close(struct net_device *dev)
 {
-        netif_carrier_off(dev);
         return 0;
 }
 
@@ -2560,21 +2558,43 @@ send_event:
 
 }
 
+static void __team_carrier_check(struct team *team)
+{
+        struct team_port *port;
+        bool team_linkup;
+
+        team_linkup = false;
+        list_for_each_entry(port, &team->port_list, list) {
+                if (port->linkup) {
+                        team_linkup = true;
+                        break;
+                }
+        }
+
+        if (team_linkup)
+                netif_carrier_on(team->dev);
+        else
+                netif_carrier_off(team->dev);
+}
+
 static void __team_port_change_check(struct team_port *port, bool linkup)
 {
         if (port->state.linkup != linkup)
                 __team_port_change_send(port, linkup);
+        __team_carrier_check(port->team);
 }
 
 static void __team_port_change_port_added(struct team_port *port, bool linkup)
 {
         __team_port_change_send(port, linkup);
+        __team_carrier_check(port->team);
 }
 
 static void __team_port_change_port_removed(struct team_port *port)
 {
         port->removed = true;
         __team_port_change_send(port, false);
+        __team_carrier_check(port->team);
 }
 
 static void team_port_change_check(struct team_port *port, bool linkup)