HelenOS sources

ICMPV6_NEIGHBOUR_ADVERTISEMENT  149 uspace/srv/net/inetsrv/icmpv6.c 	case ICMPV6_NEIGHBOUR_ADVERTISEMENT:
ICMPV6_NEIGHBOUR_ADVERTISEMENT  118 uspace/srv/net/inetsrv/ndp.c 			reply.opcode = ICMPV6_NEIGHBOUR_ADVERTISEMENT;
ICMPV6_NEIGHBOUR_ADVERTISEMENT  128 uspace/srv/net/inetsrv/ndp.c 	case ICMPV6_NEIGHBOUR_ADVERTISEMENT:
HelenOS homepage, sources at GitHub