gnrc: adapt for gnrc_ndp_host

sys/net/gnrc/network_layer/icmpv6/gnrc_icmpv6.c

@@ -92,9 +92,11 @@ void gnrc_icmpv6_demux(kernel_pid_t iface, gnrc_pktsnip_t *pkt)
             /* TODO */
             break;
 
+#ifdef MODULE_GNRC_NDP
         case ICMPV6_RTR_ADV:
             DEBUG("icmpv6: router advertisement received\n");
-            /* TODO */
+            gnrc_ndp_rtr_adv_handle(iface, pkt, ipv6->data, (ndp_rtr_adv_t *)hdr,
+                                    icmpv6->size);
             break;
 
         case ICMPV6_NBR_SOL:
@@ -108,6 +110,7 @@ void gnrc_icmpv6_demux(kernel_pid_t iface, gnrc_pktsnip_t *pkt)
             gnrc_ndp_nbr_adv_handle(iface, pkt, ipv6->data, (ndp_nbr_adv_t *)hdr,
                                     icmpv6->size);
             break;
+#endif
 
         case ICMPV6_REDIRECT:
             DEBUG("icmpv6: redirect message received\n");

sys/net/gnrc/network_layer/ipv6/gnrc_ipv6.c

@@ -190,6 +190,7 @@ static void *_event_loop(void *args)
                 msg_reply(&msg, &reply);
                 break;
 
+#ifdef MODULE_GNRC_NDP
             case GNRC_NDP_MSG_RTR_TIMEOUT:
                 DEBUG("ipv6: Router timeout received\n");
                 ((gnrc_ipv6_nc_t *)msg.content.ptr)->flags &= ~GNRC_IPV6_NC_IS_ROUTER;
@@ -201,7 +202,6 @@ static void *_event_loop(void *args)
                                             (ipv6_addr_t *)msg.content.ptr);
                 break;
 
-#ifdef MODULE_GNRC_NDP
             case GNRC_NDP_MSG_NBR_SOL_RETRANS:
                 DEBUG("ipv6: Neigbor solicitation retransmission timer event received\n");
                 gnrc_ndp_retrans_nbr_sol((gnrc_ipv6_nc_t *)msg.content.ptr);
@@ -212,6 +212,12 @@ static void *_event_loop(void *args)
                 gnrc_ndp_state_timeout((gnrc_ipv6_nc_t *)msg.content.ptr);
                 break;
 #endif
+#ifdef MODULE_GNRC_NDP_HOST
+            case GNRC_NDP_MSG_RTR_SOL_RETRANS:
+                DEBUG("ipv6: Router solicitation retransmission event received\n");
+                gnrc_ndp_host_retrans_rtr_sol((gnrc_ipv6_netif_t *)msg.content.ptr);
+                break;
+#endif
 
             default:
                 break;

sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c

@@ -763,6 +763,10 @@ void gnrc_ipv6_netif_init_by_dev(void)
         }
 
         mutex_unlock(&ipv6_if->mutex);
+#ifdef MODULE_GNRC_NDP_HOST
+        /* start periodic router solicitations */
+        gnrc_ndp_host_init(ipv6_if);
+#endif
     }
 }