Move new Class Driver powered demos to a new ClassDriver subdirectory, re-add old...
[pub/lufa.git] / Demos / Device / RNDISEthernet / Lib / IP.c
diff --git a/Demos/Device/RNDISEthernet/Lib/IP.c b/Demos/Device/RNDISEthernet/Lib/IP.c
deleted file mode 100644 (file)
index c5c38fc..0000000
+++ /dev/null
@@ -1,113 +0,0 @@
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
-              \r
-  dean [at] fourwalledcubicle [dot] com\r
-      www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
-  software without specific, written prior permission.\r
-\r
-  The author disclaim all warranties with regard to this\r
-  software, including all implied warranties of merchantability\r
-  and fitness.  In no event shall the author be liable for any\r
-  special, indirect or consequential damages or any damages\r
-  whatsoever resulting from loss of use, data or profits, whether\r
-  in an action of contract, negligence or other tortious action,\r
-  arising out of or in connection with the use or performance of\r
-  this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- *  Internet Protocol (IP) packet handling routines. This protocol handles IP packets from the\r
- *  host which typically encapsulate other protocols such as ICMP, UDP and TCP.\r
- */\r
\r
-#include "IP.h"\r
-\r
-/** Processes an IP packet inside an Ethernet frame, and writes the appropriate response\r
- *  to the output Ethernet frame if one is created by a subprotocol handler.\r
- *\r
- *  \param FrameIN       Pointer to the incomming Ethernet frame information structure\r
- *  \param InDataStart   Pointer to the start of the incoming packet's IP header\r
- *  \param OutDataStart  Pointer to the start of the outgoing packet's IP header\r
- *\r
- *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE if no\r
- *           response was generated, NO_PROCESS if the packet processing was deferred until the\r
- *           next Ethernet packet handler iteration\r
- */\r
-int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* FrameIN, void* InDataStart, void* OutDataStart)\r
-{\r
-       DecodeIPHeader(InDataStart);\r
-\r
-       IP_Header_t* IPHeaderIN  = (IP_Header_t*)InDataStart;\r
-       IP_Header_t* IPHeaderOUT = (IP_Header_t*)OutDataStart;\r
-\r
-       /* Header length is specified in number of longs in the packet header, convert to bytes */\r
-       uint16_t HeaderLengthBytes = (IPHeaderIN->HeaderLength * sizeof(uint32_t));\r
-\r
-       int16_t  RetSize = NO_RESPONSE;\r
-\r
-       /* Check to ensure the IP packet is addressed to the virtual webserver's IP or the broadcast IP address */\r
-       if (!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &ServerIPAddress)) &&\r
-           !(IP_COMPARE(&IPHeaderIN->DestinationAddress, &BroadcastIPAddress)))\r
-       {\r
-               return NO_RESPONSE;\r
-       }\r
-       \r
-       /* Pass off the IP payload to the appropriate protocol processing routine */\r
-       switch (IPHeaderIN->Protocol)\r
-       {\r
-               case PROTOCOL_ICMP:\r
-                       RetSize = ICMP_ProcessICMPPacket(FrameIN,\r
-                                                        &((uint8_t*)InDataStart)[HeaderLengthBytes],\r
-                                                        &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);\r
-                       break;\r
-               case PROTOCOL_TCP:\r
-                       RetSize = TCP_ProcessTCPPacket(InDataStart,\r
-                                                      &((uint8_t*)InDataStart)[HeaderLengthBytes],\r
-                                                      &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);         \r
-                       break;\r
-               case PROTOCOL_UDP:\r
-                       RetSize = UDP_ProcessUDPPacket(InDataStart,\r
-                                                      &((uint8_t*)InDataStart)[HeaderLengthBytes],\r
-                                                      &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);         \r
-                       break;\r
-       }\r
-       \r
-       /* Check to see if the protocol processing routine has filled out a response */\r
-       if (RetSize > 0)\r
-       {\r
-               /* Fill out the response IP packet header */\r
-               IPHeaderOUT->TotalLength        = SwapEndian_16(sizeof(IP_Header_t) + RetSize);\r
-               IPHeaderOUT->TypeOfService      = 0;\r
-               IPHeaderOUT->HeaderLength       = (sizeof(IP_Header_t) / sizeof(uint32_t));\r
-               IPHeaderOUT->Version            = 4;\r
-               IPHeaderOUT->Flags              = 0;\r
-               IPHeaderOUT->FragmentOffset     = 0;\r
-               IPHeaderOUT->Identification     = 0;\r
-               IPHeaderOUT->HeaderChecksum     = 0;\r
-               IPHeaderOUT->Protocol           = IPHeaderIN->Protocol;\r
-               IPHeaderOUT->TTL                = DEFAULT_TTL;\r
-               IPHeaderOUT->SourceAddress      = IPHeaderIN->DestinationAddress;\r
-               IPHeaderOUT->DestinationAddress = IPHeaderIN->SourceAddress;\r
-               \r
-               IPHeaderOUT->HeaderChecksum     = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t));\r
-                                               \r
-               /* Return the size of the response so far */\r
-               return (sizeof(IP_Header_t) + RetSize);\r
-       }\r
-       \r
-       return RetSize;\r
-}\r