batman-adv: Announce new capability via multicast TVLV

If the soft interface of a node is not part of a bridge then a node
announces a new multicast TVLV: The existence of this TVLV
signalizes that this node is announcing all of its multicast listeners
via the translation table infrastructure.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 633e9d67d925..8ff47b7a0e04 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -689,6 +689,10 @@ static int batadv_softif_init_late(struct net_device *dev)
 #ifdef CONFIG_BATMAN_ADV_DAT
         atomic_set(&bat_priv->distributed_arp_table, 1);
 #endif
+#ifdef CONFIG_BATMAN_ADV_MCAST
+        bat_priv->mcast.flags = BATADV_NO_FLAGS;
+        atomic_set(&bat_priv->mcast.num_disabled, 0);
+#endif
         atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF);
         atomic_set(&bat_priv->gw_sel_class, 20);
         atomic_set(&bat_priv->gw.bandwidth_down, 100);