Remove old TCP/IP stack code from the RNDIS examples, add explicit buffer length...

[pub/lufa.git] / Demos / Device / ClassDriver / RNDISEthernet / Lib / ARP.c

diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/ARP.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/ARP.c
deleted file mode 100644 (file)
index 8c31adc..0000000
--- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/ARP.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
-             LUFA Library
-     Copyright (C) Dean Camera, 2021.
-
-  dean [at] fourwalledcubicle [dot] com
-           www.lufa-lib.org
-*/
-
-/*
-  Copyright 2021  Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
-  Permission to use, copy, modify, distribute, and sell this
-  software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in
-  all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting
-  documentation, and that the name of the author not be used in
-  advertising or publicity pertaining to distribution of the
-  software without specific, written prior permission.
-
-  The author disclaims all warranties with regard to this
-  software, including all implied warranties of merchantability
-  and fitness.  In no event shall the author be liable for any
-  special, indirect or consequential damages or any damages
-  whatsoever resulting from loss of use, data or profits, whether
-  in an action of contract, negligence or other tortious action,
-  arising out of or in connection with the use or performance of
-  this software.
-*/
-
-/** \file
- *
- *  Address Resolution Protocol (ARP) packet handling routines. This protocol handles the
- *  conversion of physical MAC addresses to protocol IP addresses between the host and the
- *  device.
- */
-
-#include "ARP.h"
-
-/** Processes an ARP packet inside an Ethernet frame, and writes the appropriate response
- *  to the output Ethernet frame if the host is requesting the IP or MAC address of the
- *  virtual server device on the network.
- *
- *  \param[in] InDataStart   Pointer to the start of the incoming packet's ARP header
- *  \param[out] OutDataStart  Pointer to the start of the outgoing packet's ARP header
- *
- *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
- */
-int16_t ARP_ProcessARPPacket(void* InDataStart,
-                             void* OutDataStart)
-{
-       DecodeARPHeader(InDataStart);
-
-       ARP_Header_t* ARPHeaderIN  = (ARP_Header_t*)InDataStart;
-       ARP_Header_t* ARPHeaderOUT = (ARP_Header_t*)OutDataStart;
-
-       /* Ensure that the ARP request is a IPv4 request packet */
-       if ((SwapEndian_16(ARPHeaderIN->ProtocolType) == ETHERTYPE_IPV4) &&
-           (SwapEndian_16(ARPHeaderIN->Operation) == ARP_OPERATION_REQUEST))
-       {
-               /* If the ARP packet is requesting the MAC or IP of the virtual webserver, return the response */
-               if (IP_COMPARE(&ARPHeaderIN->TPA, &ServerIPAddress) ||
-                   MAC_COMPARE(&ARPHeaderIN->THA, &ServerMACAddress))
-               {
-                       /* Fill out the ARP response header */
-                       ARPHeaderOUT->HardwareType = ARPHeaderIN->HardwareType;
-                       ARPHeaderOUT->ProtocolType = ARPHeaderIN->ProtocolType;
-                       ARPHeaderOUT->HLEN         = ARPHeaderIN->HLEN;
-                       ARPHeaderOUT->PLEN         = ARPHeaderIN->PLEN;
-                       ARPHeaderOUT->Operation    = SwapEndian_16(ARP_OPERATION_REPLY);
-
-                       /* Copy over the sender MAC/IP to the target fields for the response */
-                       ARPHeaderOUT->THA = ARPHeaderIN->SHA;
-                       ARPHeaderOUT->TPA = ARPHeaderIN->SPA;
-
-                       /* Copy over the new sender MAC/IP - MAC and IP addresses of the virtual webserver */
-                       ARPHeaderOUT->SHA = ServerMACAddress;
-                       ARPHeaderOUT->SPA = ServerIPAddress;
-
-                       /* Return the size of the response so far */
-                       return sizeof(ARP_Header_t);
-               }
-       }
-
-       return NO_RESPONSE;
-}
-