/*************************************************************************//**
*****************************************************************************/
static bool nwkRxRejectDuplicate(NwkFrameHeader_t *header)
{
NwkDuplicateRejectionEntry_t *entry;
NwkDuplicateRejectionEntry_t *freeEntry = NULL;
for (uint8_t i = 0; i < NWK_DUPLICATE_REJECTION_TABLE_SIZE; i++)
{
entry = &nwkRxDuplicateRejectionTable[i];
if (entry->ttl && header->nwkSrcAddr == entry->src)
{
uint8_t diff = (int8_t)entry->seq - header->nwkSeq;
if (diff < 8)
{
if (entry->mask & (1 << diff))
{
#ifdef NWK_ENABLE_ROUTING
if (nwkIb.addr == header->macDstAddr)
nwkRouteRemove(header->nwkDstAddr, header->nwkFcf.multicast);
#endif
return true;
}
entry->mask |= (1 << diff);
return false;
}
else
{
uint8_t shift = -(int8_t)diff;
entry->seq = header->nwkSeq;
entry->mask = (entry->mask << shift) | 1;
entry->ttl = DUPLICATE_REJECTION_TTL;
return false;
}
}
if (0 == entry->ttl)
freeEntry = entry;
}
if (NULL == freeEntry)
return true;
freeEntry->src = header->nwkSrcAddr;
freeEntry->seq = header->nwkSeq;
freeEntry->mask = 1;
freeEntry->ttl = DUPLICATE_REJECTION_TTL;
SYS_TimerStart(&nwkRxDuplicateRejectionTimer);
return false;
}
/*************************************************************************//**
*****************************************************************************/
bool nwkRouteErrorReceived(NWK_DataInd_t *ind)
{
NwkCommandRouteError_t *command = (NwkCommandRouteError_t *)ind->data;
if (sizeof(NwkCommandRouteError_t) != ind->size) {
return false;
}
nwkRouteRemove(command->dstAddr, command->multicast);
return true;
}
