/*************************************************************************//**
*****************************************************************************/
void nwkRouteDiscoveryRequest(NwkFrame_t *frame)
{
NwkFrameHeader_t *header = &frame->header;
NwkRouteDiscoveryTableEntry_t *entry;
entry = nwkRouteDiscoveryFindEntry(nwkIb.addr, header->nwkDstAddr, header->nwkFcf.multicast);
if (entry)
{
frame->state = NWK_RD_STATE_WAIT_FOR_ROUTE;
return;
}
entry = nwkRouteDiscoveryNewEntry();
if (entry)
{
entry->srcAddr = nwkIb.addr;
entry->dstAddr = header->nwkDstAddr;
entry->multicast = header->nwkFcf.multicast;
entry->senderAddr = NWK_BROADCAST_ADDR;
if (nwkRouteDiscoverySendRequest(entry, NWK_ROUTE_DISCOVERY_BEST_LINK_QUALITY))
{
frame->state = NWK_RD_STATE_WAIT_FOR_ROUTE;
return;
}
}
nwkTxConfirm(frame, NWK_NO_ROUTE_STATUS);
}
/*************************************************************************//**
*****************************************************************************/
static void nwkTxAckWaitTimerHandler(SYS_Timer_t *timer)
{
NwkFrame_t *frame = NULL;
bool restart = false;
while (NULL != (frame = nwkFrameNext(frame))) {
if (NWK_TX_STATE_WAIT_ACK == frame->state) {
restart = true;
if (0 == --frame->tx.timeout) {
nwkTxConfirm(frame, NWK_NO_ACK_STATUS);
}
}
}
if (restart) {
SYS_TimerStart(timer);
}
}
/*************************************************************************//**
*****************************************************************************/
static void nwkRouteDiscoveryDone(NwkRouteDiscoveryTableEntry_t *entry, bool status)
{
NwkFrame_t *frame = NULL;
while (NULL != (frame = nwkFrameNext(frame)))
{
if (NWK_RD_STATE_WAIT_FOR_ROUTE != frame->state)
continue;
if (entry->dstAddr != frame->header.nwkDstAddr ||
entry->multicast != frame->header.nwkFcf.multicast)
continue;
if (status)
nwkTxFrame(frame);
else
nwkTxConfirm(frame, NWK_NO_ROUTE_STATUS);
}
}
