- Link_SendPacket(Interface->Adapter, 0x0806, req.DestMac, sizeof(struct sArpRequest4), &req);
+ gaARP_Cache4[i].MAC = HWAddr;
+ gaARP_Cache4[i].LastUpdate = now();
+ RELEASE(&glARP_Cache4);
+}
+
+/**
+ * \brief Updates the ARP Cache entry for an IPv6 Address
+ */
+void ARP_UpdateCache6(tIPv6 SWAddr, tMacAddr HWAddr)
+{
+ int i;
+ int free = -1;
+ int oldest = 0;
+
+ // Find an entry for the MAC address in the cache
+ LOCK(&glARP_Cache6);
+ for( i = giARP_Cache6Space; i--; )
+ {
+ if(gaARP_Cache6[oldest].LastUpdate > gaARP_Cache6[i].LastUpdate) {
+ oldest = i;
+ }
+ if( MAC_EQU(gaARP_Cache6[i].MAC, HWAddr) ) break;
+ if( gaARP_Cache6[i].LastUpdate == 0 && free == -1 ) free = i;
+ }
+ // If there was no match, we need to make one
+ if(i == -1) {
+ if(free != -1)
+ i = free;
+ else
+ i = oldest;
+ gaARP_Cache6[i].MAC = HWAddr;
+ }