team: send port changed when added
authorJiri Pirko <jiri@resnulli.us>
Sat, 22 Sep 2012 07:07:53 +0000 (07:07 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 22 Sep 2012 19:46:12 +0000 (15:46 -0400)
On some hw, link is not up during adding iface to team. That causes event
not being sent to userspace and that may cause confusion.
Fix this bug by sending port changed event once it's added to team.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/team/team.c

index 341b65dbbcd324d9512f957fc7b663481a073aea..3ffe8a6e3c8bb3478385b8dd048825c957025dcb 100644 (file)
@@ -848,7 +848,7 @@ static struct netpoll_info *team_netpoll_info(struct team *team)
 }
 #endif
 
-static void __team_port_change_check(struct team_port *port, bool linkup);
+static void __team_port_change_port_added(struct team_port *port, bool linkup);
 
 static int team_port_add(struct team *team, struct net_device *port_dev)
 {
@@ -948,7 +948,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
        team_port_enable(team, port);
        list_add_tail_rcu(&port->list, &team->port_list);
        __team_compute_features(team);
-       __team_port_change_check(port, !!netif_carrier_ok(port_dev));
+       __team_port_change_port_added(port, !!netif_carrier_ok(port_dev));
        __team_options_change_check(team);
 
        netdev_info(dev, "Port device %s added\n", portname);
@@ -983,6 +983,8 @@ err_set_mtu:
        return err;
 }
 
+static void __team_port_change_port_removed(struct team_port *port);
+
 static int team_port_del(struct team *team, struct net_device *port_dev)
 {
        struct net_device *dev = team->dev;
@@ -999,8 +1001,7 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
        __team_option_inst_mark_removed_port(team, port);
        __team_options_change_check(team);
        __team_option_inst_del_port(team, port);
-       port->removed = true;
-       __team_port_change_check(port, false);
+       __team_port_change_port_removed(port);
        team_port_disable(team, port);
        list_del_rcu(&port->list);
        netdev_rx_handler_unregister(port_dev);
@@ -2251,13 +2252,11 @@ static void __team_options_change_check(struct team *team)
 }
 
 /* rtnl lock is held */
-static void __team_port_change_check(struct team_port *port, bool linkup)
+
+static void __team_port_change_send(struct team_port *port, bool linkup)
 {
        int err;
 
-       if (!port->removed && port->state.linkup == linkup)
-               return;
-
        port->changed = true;
        port->state.linkup = linkup;
        team_refresh_port_linkup(port);
@@ -2282,6 +2281,23 @@ send_event:
 
 }
 
+static void __team_port_change_check(struct team_port *port, bool linkup)
+{
+       if (port->state.linkup != linkup)
+               __team_port_change_send(port, linkup);
+}
+
+static void __team_port_change_port_added(struct team_port *port, bool linkup)
+{
+       __team_port_change_send(port, linkup);
+}
+
+static void __team_port_change_port_removed(struct team_port *port)
+{
+       port->removed = true;
+       __team_port_change_send(port, false);
+}
+
 static void team_port_change_check(struct team_port *port, bool linkup)
 {
        struct team *team = port->team;