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

[pub/lufa.git] / Demos / Device / LowLevel / RNDISEthernet / Lib / ICMP.c

diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c b/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c
deleted file mode 100644 (file)
index 3af5094..0000000
--- a/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c
+++ /dev/null
@@ -1,81 +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
- *
- *  Internet Control Message Protocol (ICMP) packet handling routines. This protocol handles
- *  Echo requests from the host, to indicate a successful network connection between the host
- *  and the virtual server.
- */
-
-#include "ICMP.h"
-
-/** Processes an ICMP packet inside an Ethernet frame, and writes the appropriate response
- *  to the output Ethernet frame if the host is issuing a ICMP ECHO request.
- *
- *  \param[in] InDataStart    Pointer to the start of the incoming packet's ICMP header
- *  \param[out] OutDataStart  Pointer to the start of the outgoing packet's ICMP header
- *
- *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
- */
-int16_t ICMP_ProcessICMPPacket(void* InDataStart,
-                               void* OutDataStart)
-{
-       ICMP_Header_t* ICMPHeaderIN  = (ICMP_Header_t*)InDataStart;
-       ICMP_Header_t* ICMPHeaderOUT = (ICMP_Header_t*)OutDataStart;
-
-       DecodeICMPHeader(InDataStart);
-
-       /* Determine if the ICMP packet is an echo request (ping) */
-       if (ICMPHeaderIN->Type == ICMP_TYPE_ECHOREQUEST)
-       {
-               /* Fill out the ICMP response packet */
-               ICMPHeaderOUT->Type     = ICMP_TYPE_ECHOREPLY;
-               ICMPHeaderOUT->Code     = 0;
-               ICMPHeaderOUT->Checksum = 0;
-               ICMPHeaderOUT->Id       = ICMPHeaderIN->Id;
-               ICMPHeaderOUT->Sequence = ICMPHeaderIN->Sequence;
-
-               intptr_t DataSize = FrameIN.FrameLength - ((((intptr_t)InDataStart + sizeof(ICMP_Header_t)) - (intptr_t)FrameIN.FrameData));
-
-               /* Copy the remaining payload to the response - echo requests should echo back any sent data */
-               memmove(&((uint8_t*)OutDataStart)[sizeof(ICMP_Header_t)],
-                       &((uint8_t*)InDataStart)[sizeof(ICMP_Header_t)],
-                           DataSize);
-
-               ICMPHeaderOUT->Checksum = Ethernet_Checksum16(ICMPHeaderOUT, (DataSize + sizeof(ICMP_Header_t)));
-
-               /* Return the size of the response so far */
-               return (DataSize + sizeof(ICMP_Header_t));
-       }
-
-       return NO_RESPONSE;
-}
-