/**
* ARP FSM is executed.
* @preCondition ARP packet is ready in MAC buffer.
* @return
*/
BOOL ARPProcess(void)
{
NODE_INFO remoteNode;
BYTE opCode;
//If a valid ARP packet addressed to us was received, true is returned and
//opcode (ARP_REPLY or ARP_REQUEST) is writen to given opCode buffer.
switch(smARP)
{
case SM_ARP_IDLE:
if ( !ARPGet(&remoteNode, &opCode) )
break;
if ( opCode == ARP_REPLY ) //We have received an ARP reply resolving a requested IP address's MAC address
{
#ifdef STACK_CLIENT_MODE
Cache.MACAddr = remoteNode.MACAddr;
Cache.IPAddr.Val = remoteNode.IPAddr.Val;
#endif
break;
}
else
smARP = SM_ARP_REPLY;
default:
if(ARPPut(&remoteNode, ARP_REPLY))
{
smARP = SM_ARP_IDLE;
}
else
return FALSE;
break;
}
return TRUE;
}
/*********************************************************************
* Function: BOOL ARPProcess(void)
*
* PreCondition: ARP packet is ready in MAC buffer.
*
* Input: None
*
* Output: ARP FSM is executed.
*
* Side Effects: None
*
* Overview: None
*
* Note: None
********************************************************************/
BOOL ARPProcess(void)
{
NODE_INFO remoteNode;
BYTE opCode;
switch(smARP)
{
case SM_ARP_IDLE:
if ( !ARPGet(&remoteNode, &opCode) )
break;
if ( opCode == ARP_REPLY )
{
#ifdef STACK_CLIENT_MODE
Cache.MACAddr = remoteNode.MACAddr;
Cache.IPAddr.Val = remoteNode.IPAddr.Val;
#endif
break;
}
else
smARP = SM_ARP_REPLY;
default:
if(ARPPut(&remoteNode, ARP_REPLY))
{
smARP = SM_ARP_IDLE;
}
else
return FALSE;
break;
}
return TRUE;
}
