batman-adv: Update wifi flags on upper link change

Things like VLANs don't have their link set when they are created. Thus
the wifi flags have to be evaluated later to fix their contents for the
link interface.

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index ca743a5e56808c552dd696b7d51df79903eb341d..61a431a9772ba96418644b399c9e787cbfd0e743 100644 (file)
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -1006,6 +1006,11 @@ static int batadv_hard_if_event(struct notifier_block *this,
                if (hard_iface == primary_if)
                        batadv_primary_if_update_addr(bat_priv, NULL);
                break;
+       case NETDEV_CHANGEUPPER:
+               hard_iface->wifi_flags = batadv_wifi_flags_evaluate(net_dev);
+               if (batadv_is_wifi_hardif(hard_iface))
+                       hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS;
+               break;
        default:
                break;
        }