multicast forwarding scope changed and address registration updated. (ARMmbed#1516)

Author: deepakvenugopal

source/6LoWPAN/Thread/thread_address_registration_client.c

@@ -98,10 +98,6 @@ void thread_address_registration_timer(protocol_interface_info_entry_t *interfac
             continue;
         }
 
-        if (addr_ipv6_equal(cur->group, ADDR_SITE_LOCAL_ALL_ROUTERS)) {
-            continue;
-        }
-
         if (cur->mld_timer > seconds) {
             cur->mld_timer -= seconds;
         } else {

source/6LoWPAN/Thread/thread_bbr_api.c

@@ -1064,7 +1064,8 @@ int thread_bbr_start(int8_t interface_id, int8_t backbone_interface_id)
     // Start mdns service
     thread_mdns_start(this->interface_id, this->backbone_interface_id, service_name);
     multicast_fwd_set_proxy_upstream(this->backbone_interface_id);
-    multicast_fwd_full_for_scope(this->interface_id, IPV6_SCOPE_SITE_LOCAL);
+    multicast_fwd_full_for_scope(this->interface_id, 0);
+    multicast_fwd_full_for_scope(this->backbone_interface_id, 0);
     // By default multicast forwarding is not enabled as it causes multicast loops
     multicast_fwd_set_forwarding(this->interface_id, false);
 

source/6LoWPAN/Thread/thread_extension_bbr.c

@@ -886,7 +886,7 @@ static int thread_extension_bbr_pbbr_start(thread_pbbr_t *this)
     }
     // Allow only filtered addresses to be forwarded
     multicast_fwd_full_for_scope(this->interface_id, 0x10);
-    //multicast_fwd_full_for_scope(this->backbone_interface_id, 0x10);
+    multicast_fwd_full_for_scope(this->backbone_interface_id, 0);
 
     //Register baseline 1.2 features
     coap_service_register_uri(this->coap_service_id, THREAD_URI_BBR_MCAST_LISTENER_REPORT, COAP_SERVICE_ACCESS_POST_ALLOWED, thread_extension_bbr_mlr_cb);