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path: root/net/batman-adv/multicast.c
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Diffstat (limited to 'net/batman-adv/multicast.c')
-rw-r--r--net/batman-adv/multicast.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index a35f597e8c8b..86725d792e15 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -815,9 +815,6 @@ static int batadv_mcast_forw_mode_check(struct batadv_priv *bat_priv,
if (!atomic_read(&bat_priv->multicast_mode))
return -EINVAL;
- if (atomic_read(&bat_priv->mcast.num_disabled))
- return -EINVAL;
-
switch (ntohs(ethhdr->h_proto)) {
case ETH_P_IP:
return batadv_mcast_forw_mode_check_ipv4(bat_priv, skb,
@@ -1183,33 +1180,23 @@ static void batadv_mcast_tvlv_ogm_handler(struct batadv_priv *bat_priv,
{
bool orig_mcast_enabled = !(flags & BATADV_TVLV_HANDLER_OGM_CIFNOTFND);
u8 mcast_flags = BATADV_NO_FLAGS;
- bool orig_initialized;
if (orig_mcast_enabled && tvlv_value &&
tvlv_value_len >= sizeof(mcast_flags))
mcast_flags = *(u8 *)tvlv_value;
+ if (!orig_mcast_enabled) {
+ mcast_flags |= BATADV_MCAST_WANT_ALL_IPV4;
+ mcast_flags |= BATADV_MCAST_WANT_ALL_IPV6;
+ }
+
spin_lock_bh(&orig->mcast_handler_lock);
- orig_initialized = test_bit(BATADV_ORIG_CAPA_HAS_MCAST,
- &orig->capa_initialized);
- /* If mcast support is turned on decrease the disabled mcast node
- * counter only if we had increased it for this node before. If this
- * is a completely new orig_node no need to decrease the counter.
- */
if (orig_mcast_enabled &&
!test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities)) {
- if (orig_initialized)
- atomic_dec(&bat_priv->mcast.num_disabled);
set_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities);
- /* If mcast support is being switched off or if this is an initial
- * OGM without mcast support then increase the disabled mcast
- * node counter.
- */
} else if (!orig_mcast_enabled &&
- (test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities) ||
- !orig_initialized)) {
- atomic_inc(&bat_priv->mcast.num_disabled);
+ test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities)) {
clear_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities);
}
@@ -1595,10 +1582,6 @@ void batadv_mcast_purge_orig(struct batadv_orig_node *orig)
spin_lock_bh(&orig->mcast_handler_lock);
- if (!test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities) &&
- test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capa_initialized))
- atomic_dec(&bat_priv->mcast.num_disabled);
-
batadv_mcast_want_unsnoop_update(bat_priv, orig, BATADV_NO_FLAGS);
batadv_mcast_want_ipv4_update(bat_priv, orig, BATADV_NO_FLAGS);
batadv_mcast_want_ipv6_update(bat_priv, orig, BATADV_NO_FLAGS);