static void _receive(gnrc_pktsnip_t *icmpv6)
{
gnrc_pktsnip_t *ipv6 = NULL;
ipv6_hdr_t *ipv6_hdr = NULL;
icmpv6_hdr_t *icmpv6_hdr = NULL;
LL_SEARCH_SCALAR(icmpv6, ipv6, type, GNRC_NETTYPE_IPV6);
assert(ipv6 != NULL);
ipv6_hdr = (ipv6_hdr_t *)ipv6->data;
icmpv6_hdr = (icmpv6_hdr_t *)icmpv6->data;
switch (icmpv6_hdr->code) {
case GNRC_RPL_ICMPV6_CODE_DIS:
DEBUG("RPL: DIS received\n");
gnrc_rpl_recv_DIS((gnrc_rpl_dis_t *)(icmpv6_hdr + 1), &ipv6_hdr->src, &ipv6_hdr->dst,
byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DIO:
DEBUG("RPL: DIO received\n");
gnrc_rpl_recv_DIO((gnrc_rpl_dio_t *)(icmpv6_hdr + 1), &ipv6_hdr->src,
byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DAO:
DEBUG("RPL: DAO received\n");
gnrc_rpl_recv_DAO((gnrc_rpl_dao_t *)(icmpv6_hdr + 1), &ipv6_hdr->src,
byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DAO_ACK:
DEBUG("RPL: DAO-ACK received\n");
gnrc_rpl_recv_DAO_ACK((gnrc_rpl_dao_ack_t *)(icmpv6_hdr + 1),
byteorder_ntohs(ipv6_hdr->len));
break;
default:
DEBUG("RPL: Unknown ICMPV6 code received\n");
break;
}
gnrc_pktbuf_release(icmpv6);
}
static void _receive(gnrc_pktsnip_t *icmpv6)
{
gnrc_pktsnip_t *ipv6, *netif;
ipv6_hdr_t *ipv6_hdr;
icmpv6_hdr_t *icmpv6_hdr;
kernel_pid_t iface = KERNEL_PID_UNDEF;
assert(icmpv6 != NULL);
ipv6 = gnrc_pktsnip_search_type(icmpv6, GNRC_NETTYPE_IPV6);
netif = gnrc_pktsnip_search_type(icmpv6, GNRC_NETTYPE_NETIF);
assert(ipv6 != NULL);
if (netif) {
iface = ((gnrc_netif_hdr_t *)netif->data)->if_pid;
}
ipv6_hdr = (ipv6_hdr_t *)ipv6->data;
icmpv6_hdr = (icmpv6_hdr_t *)icmpv6->data;
switch (icmpv6_hdr->code) {
case GNRC_RPL_ICMPV6_CODE_DIS:
DEBUG("RPL: DIS received\n");
gnrc_rpl_recv_DIS((gnrc_rpl_dis_t *)(icmpv6_hdr + 1), iface, &ipv6_hdr->src,
&ipv6_hdr->dst, byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DIO:
DEBUG("RPL: DIO received\n");
gnrc_rpl_recv_DIO((gnrc_rpl_dio_t *)(icmpv6_hdr + 1), iface, &ipv6_hdr->src,
&ipv6_hdr->dst, byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DAO:
DEBUG("RPL: DAO received\n");
gnrc_rpl_recv_DAO((gnrc_rpl_dao_t *)(icmpv6_hdr + 1), iface, &ipv6_hdr->src,
&ipv6_hdr->dst, byteorder_ntohs(ipv6_hdr->len));
break;
case GNRC_RPL_ICMPV6_CODE_DAO_ACK:
DEBUG("RPL: DAO-ACK received\n");
gnrc_rpl_recv_DAO_ACK((gnrc_rpl_dao_ack_t *)(icmpv6_hdr + 1), iface, &ipv6_hdr->src,
&ipv6_hdr->dst, byteorder_ntohs(ipv6_hdr->len));
break;
#ifdef MODULE_GNRC_RPL_P2P
case GNRC_RPL_P2P_ICMPV6_CODE_DRO:
DEBUG("RPL: P2P DRO received\n");
gnrc_pktsnip_t *icmpv6_snip = gnrc_pktbuf_add(NULL, NULL, icmpv6->size,
GNRC_NETTYPE_ICMPV6);
if (icmpv6_snip == NULL) {
DEBUG("RPL-P2P: cannot copy ICMPv6 packet\n");
break;
}
memcpy(icmpv6_snip->data, icmpv6->data, icmpv6->size);
gnrc_rpl_p2p_recv_DRO(icmpv6_snip, &ipv6_hdr->src);
break;
case GNRC_RPL_P2P_ICMPV6_CODE_DRO_ACK:
DEBUG("RPL: P2P DRO-ACK received\n");
break;
#endif
default:
DEBUG("RPL: Unknown ICMPV6 code received\n");
break;
}
gnrc_pktbuf_release(icmpv6);
}
