static void *_event_loop(void *args)
{
msg_t msg, reply, msg_q[GNRC_IPV6_MSG_QUEUE_SIZE];
gnrc_netreg_entry_t me_reg;
(void)args;
msg_init_queue(msg_q, GNRC_IPV6_MSG_QUEUE_SIZE);
me_reg.demux_ctx = GNRC_NETREG_DEMUX_CTX_ALL;
me_reg.pid = thread_getpid();
/* register interest in all IPv6 packets */
gnrc_netreg_register(GNRC_NETTYPE_IPV6, &me_reg);
/* preinitialize ACK */
reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
/* start event loop */
while (1) {
DEBUG("ipv6: waiting for incoming message.\n");
msg_receive(&msg);
switch (msg.type) {
case GNRC_NETAPI_MSG_TYPE_RCV:
DEBUG("ipv6: GNRC_NETAPI_MSG_TYPE_RCV received\n");
_receive(msg.content.ptr);
break;
case GNRC_NETAPI_MSG_TYPE_SND:
DEBUG("ipv6: GNRC_NETAPI_MSG_TYPE_SND received\n");
_send(msg.content.ptr, true);
break;
case GNRC_NETAPI_MSG_TYPE_GET:
case GNRC_NETAPI_MSG_TYPE_SET:
DEBUG("ipv6: reply to unsupported get/set\n");
reply.content.value = -ENOTSUP;
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;
break;
/* XXX reactivate when https://github.com/RIOT-OS/RIOT/issues/5122 is
* solved properly */
/* case GNRC_NDP_MSG_ADDR_TIMEOUT: */
/* DEBUG("ipv6: Router advertisement timer event received\n"); */
/* gnrc_ipv6_netif_remove_addr(KERNEL_PID_UNDEF, */
/* msg.content.ptr); */
/* break; */
case GNRC_NDP_MSG_NBR_SOL_RETRANS:
DEBUG("ipv6: Neigbor solicitation retransmission timer event received\n");
gnrc_ndp_retrans_nbr_sol(msg.content.ptr);
break;
case GNRC_NDP_MSG_NC_STATE_TIMEOUT:
DEBUG("ipv6: Neigbor cache state timeout received\n");
gnrc_ndp_state_timeout(msg.content.ptr);
break;
#endif
#ifdef MODULE_GNRC_NDP_ROUTER
case GNRC_NDP_MSG_RTR_ADV_RETRANS:
DEBUG("ipv6: Router advertisement retransmission event received\n");
gnrc_ndp_router_retrans_rtr_adv(msg.content.ptr);
break;
case GNRC_NDP_MSG_RTR_ADV_DELAY:
DEBUG("ipv6: Delayed router advertisement event received\n");
gnrc_ndp_router_send_rtr_adv(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(msg.content.ptr);
break;
#endif
#ifdef MODULE_GNRC_SIXLOWPAN_ND
case GNRC_SIXLOWPAN_ND_MSG_MC_RTR_SOL:
DEBUG("ipv6: Multicast router solicitation event received\n");
gnrc_sixlowpan_nd_mc_rtr_sol(msg.content.ptr);
break;
case GNRC_SIXLOWPAN_ND_MSG_UC_RTR_SOL:
DEBUG("ipv6: Unicast router solicitation event received\n");
gnrc_sixlowpan_nd_uc_rtr_sol(msg.content.ptr);
break;
# ifdef MODULE_GNRC_SIXLOWPAN_CTX
case GNRC_SIXLOWPAN_ND_MSG_DELETE_CTX:
DEBUG("ipv6: Delete 6LoWPAN context event received\n");
gnrc_sixlowpan_ctx_remove(((((gnrc_sixlowpan_ctx_t *)msg.content.ptr)->flags_id) &
GNRC_SIXLOWPAN_CTX_FLAGS_CID_MASK));
break;
# endif
#endif
#ifdef MODULE_GNRC_SIXLOWPAN_ND_ROUTER
case GNRC_SIXLOWPAN_ND_MSG_ABR_TIMEOUT:
DEBUG("ipv6: border router timeout event received\n");
gnrc_sixlowpan_nd_router_abr_remove(msg.content.ptr);
break;
/* XXX reactivate when https://github.com/RIOT-OS/RIOT/issues/5122 is
* solved properly */
/* case GNRC_SIXLOWPAN_ND_MSG_AR_TIMEOUT: */
/* DEBUG("ipv6: address registration timeout received\n"); */
/* gnrc_sixlowpan_nd_router_gc_nc(msg.content.ptr); */
/* break; */
case GNRC_NDP_MSG_RTR_ADV_SIXLOWPAN_DELAY:
DEBUG("ipv6: Delayed router advertisement event received\n");
gnrc_ipv6_nc_t *nc_entry = msg.content.ptr;
gnrc_ndp_internal_send_rtr_adv(nc_entry->iface, NULL,
&(nc_entry->ipv6_addr), false);
break;
#endif
default:
break;
}
}
return NULL;
}
/* internal functions */
static void *_event_loop(void *args)
{
msg_t msg, reply, msg_q[GNRC_IPV6_MSG_QUEUE_SIZE];
gnrc_netreg_entry_t me_reg;
(void)args;
msg_init_queue(msg_q, GNRC_IPV6_MSG_QUEUE_SIZE);
me_reg.demux_ctx = GNRC_NETREG_DEMUX_CTX_ALL;
me_reg.pid = thread_getpid();
/* register interest in all IPv6 packets */
gnrc_netreg_register(GNRC_NETTYPE_IPV6, &me_reg);
/* preinitialize ACK */
reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
/* start event loop */
while (1) {
DEBUG("ipv6: waiting for incoming message.\n");
msg_receive(&msg);
switch (msg.type) {
case GNRC_NETAPI_MSG_TYPE_RCV:
DEBUG("ipv6: GNRC_NETAPI_MSG_TYPE_RCV received\n");
_receive((gnrc_pktsnip_t *)msg.content.ptr);
break;
case GNRC_NETAPI_MSG_TYPE_SND:
DEBUG("ipv6: GNRC_NETAPI_MSG_TYPE_SND received\n");
_send((gnrc_pktsnip_t *)msg.content.ptr, true);
break;
case GNRC_NETAPI_MSG_TYPE_GET:
case GNRC_NETAPI_MSG_TYPE_SET:
DEBUG("ipv6: reply to unsupported get/set\n");
reply.content.value = -ENOTSUP;
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;
break;
case GNRC_NDP_MSG_ADDR_TIMEOUT:
DEBUG("ipv6: Router advertisement timer event received\n");
gnrc_ipv6_netif_remove_addr(KERNEL_PID_UNDEF,
(ipv6_addr_t *)msg.content.ptr);
break;
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);
break;
case GNRC_NDP_MSG_NC_STATE_TIMEOUT:
DEBUG("ipv6: Neigbor cache state timeout received\n");
gnrc_ndp_state_timeout((gnrc_ipv6_nc_t *)msg.content.ptr);
break;
#endif
#ifdef MODULE_GNRC_NDP_ROUTER
case GNRC_NDP_MSG_RTR_ADV_RETRANS:
DEBUG("ipv6: Router advertisement retransmission event received\n");
gnrc_ndp_router_retrans_rtr_adv((gnrc_ipv6_netif_t *)msg.content.ptr);
break;
case GNRC_NDP_MSG_RTR_ADV_DELAY:
DEBUG("ipv6: Delayed router advertisement event received\n");
gnrc_ndp_router_send_rtr_adv((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;
}
}
return NULL;
}
