int sixlowpan_mac_send_data(int if_id,
const void *dest, uint8_t dest_len,
const void *payload,
uint8_t payload_len, uint8_t mcast)
{
if (mcast) {
return net_if_send_packet_broadcast(IEEE_802154_SHORT_ADDR_M,
payload,
payload_len);
}
else {
if (dest_len == 8) {
return net_if_send_packet_long(if_id, (net_if_eui64_t *) dest,
payload, (size_t)payload_len);
}
else if (dest_len == 2) {
return net_if_send_packet(if_id, NTOHS(*((uint16_t *)dest)),
payload, (size_t)payload_len);
}
}
return -1;
}
int net_if_send_packet_broadcast(net_if_trans_addr_m_t preferred_dest_mode,
const void *payload, size_t payload_len)
{
int if_id = -1;
int res = 0, res_prev = 0;
while ((if_id = net_if_iter_interfaces(if_id)) >= 0) {
if (interfaces[if_id].transceivers & (TRANSCEIVER_CC1100 | TRANSCEIVER_NATIVE)) {
res = net_if_send_packet(if_id, 0,
payload, payload_len);
}
else if (preferred_dest_mode == NET_IF_TRANS_ADDR_M_SHORT) {
res = net_if_send_packet(if_id, IEEE_802154_SHORT_MCAST_ADDR,
payload, payload_len);
}
else {
net_if_eui64_t mcast_addr = IEEE_802154_LONG_MCAST_ADDR;
res = net_if_send_packet_long(if_id, &mcast_addr, payload,
payload_len);
}
if (res_prev != 0) {
if (res != res_prev) {
return -1;
}
}
else {
if (res == 0) {
break;
}
}
res_prev = res;
}
return res;
}