--- zzzz-none-000/linux-4.9.276/net/bridge/br_sysfs_br.c	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/net/bridge/br_sysfs_br.c	2023-04-05 08:19:02.000000000 +0000
@@ -440,6 +440,23 @@
 }
 static DEVICE_ATTR_RW(hash_max);
 
+static ssize_t multicast_igmp_version_show(struct device *d,
+					   struct device_attribute *attr,
+					   char *buf)
+{
+	struct net_bridge *br = to_bridge(d);
+
+	return sprintf(buf, "%u\n", br->multicast_igmp_version);
+}
+
+static ssize_t multicast_igmp_version_store(struct device *d,
+					    struct device_attribute *attr,
+					    const char *buf, size_t len)
+{
+	return store_bridge_parm(d, buf, len, br_multicast_set_igmp_version);
+}
+static DEVICE_ATTR_RW(multicast_igmp_version);
+
 static ssize_t multicast_last_member_count_show(struct device *d,
 						struct device_attribute *attr,
 						char *buf)
@@ -642,6 +659,25 @@
 	return store_bridge_parm(d, buf, len, set_stats_enabled);
 }
 static DEVICE_ATTR_RW(multicast_stats_enabled);
+
+#if IS_ENABLED(CONFIG_IPV6)
+static ssize_t multicast_mld_version_show(struct device *d,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct net_bridge *br = to_bridge(d);
+
+	return sprintf(buf, "%u\n", br->multicast_mld_version);
+}
+
+static ssize_t multicast_mld_version_store(struct device *d,
+					   struct device_attribute *attr,
+					   const char *buf, size_t len)
+{
+	return store_bridge_parm(d, buf, len, br_multicast_set_mld_version);
+}
+static DEVICE_ATTR_RW(multicast_mld_version);
+#endif
 #endif
 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
 static ssize_t nf_call_iptables_show(
@@ -773,6 +809,58 @@
 static DEVICE_ATTR_RW(vlan_stats_enabled);
 #endif
 
+#ifdef CONFIG_AVM_BRIDGE_FLOOD_RATELIMITER
+
+static ssize_t avm_flood_ratelimit_show(struct device *d,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct net_bridge *br = to_bridge(d);
+
+	return sprintf(buf, "%d\n%d\n", br->avm_flood_credits_max,
+			atomic_read(&br->avm_flood_credits));
+}
+
+static ssize_t avm_flood_ratelimit_store(struct device *d,
+					 struct device_attribute *attr,
+					 const char *buf, size_t len)
+{
+	/* Specify an initial amount of packets that are not rate limited */
+	return store_bridge_parm(d, buf, len, br_flood_rl_set_credits);
+}
+
+static DEVICE_ATTR_RW(avm_flood_ratelimit);
+
+static ssize_t avm_flood_ratelimit_recover_rate_show(struct device *d,
+						     struct device_attribute *attr,
+						     char *buf)
+{
+	struct net_bridge *br = to_bridge(d);
+
+	return sprintf(buf, "%d\n", br->avm_flood_credits_recov_rate);
+}
+
+static int set_rate(struct net_bridge *br, unsigned long v)
+{
+	if (v > INT_MAX)
+		return -EINVAL;
+
+	br->avm_flood_credits_recov_rate = v;
+	return 0;
+}
+
+static ssize_t avm_flood_ratelimit_recover_rate_store(struct device *d,
+						      struct device_attribute *attr,
+						      const char *buf,
+						      size_t len)
+{
+	/* Specify packets per seconds */
+	return store_bridge_parm(d, buf, len, set_rate);
+}
+
+static DEVICE_ATTR_RW(avm_flood_ratelimit_recover_rate);
+#endif
+
 static struct attribute *bridge_attrs[] = {
 	&dev_attr_forward_delay.attr,
 	&dev_attr_hello_time.attr,
@@ -809,6 +897,10 @@
 	&dev_attr_multicast_query_response_interval.attr,
 	&dev_attr_multicast_startup_query_interval.attr,
 	&dev_attr_multicast_stats_enabled.attr,
+	&dev_attr_multicast_igmp_version.attr,
+#if IS_ENABLED(CONFIG_IPV6)
+	&dev_attr_multicast_mld_version.attr,
+#endif
 #endif
 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
 	&dev_attr_nf_call_iptables.attr,
@@ -821,6 +913,10 @@
 	&dev_attr_default_pvid.attr,
 	&dev_attr_vlan_stats_enabled.attr,
 #endif
+#ifdef CONFIG_AVM_BRIDGE_FLOOD_RATELIMITER
+	&dev_attr_avm_flood_ratelimit.attr,
+	&dev_attr_avm_flood_ratelimit_recover_rate.attr,
+#endif
 	NULL
 };