diff options
Diffstat (limited to 'Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c')
-rw-r--r-- | Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c index 6f49eac88..5a2285c6d 100644 --- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c +++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/IP.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -9,13 +9,13 @@ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + 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 + 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 + 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 disclaim all warranties with regard to this @@ -33,7 +33,7 @@ * Internet Protocol (IP) packet handling routines. This protocol handles IP packets from the * host which typically encapsulate other protocols such as ICMP, UDP and TCP. */ - + #include "IP.h" /** Processes an IP packet inside an Ethernet frame, and writes the appropriate response @@ -67,7 +67,7 @@ int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* const FrameIN, { return NO_RESPONSE; } - + /* Pass off the IP payload to the appropriate protocol processing routine */ switch (IPHeaderIN->Protocol) { @@ -79,15 +79,15 @@ int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* const FrameIN, case PROTOCOL_TCP: RetSize = TCP_ProcessTCPPacket(InDataStart, &((uint8_t*)InDataStart)[HeaderLengthBytes], - &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]); + &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]); break; case PROTOCOL_UDP: RetSize = UDP_ProcessUDPPacket(InDataStart, &((uint8_t*)InDataStart)[HeaderLengthBytes], - &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]); + &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]); break; } - + /* Check to see if the protocol processing routine has filled out a response */ if (RetSize > 0) { @@ -104,12 +104,13 @@ int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* const FrameIN, IPHeaderOUT->TTL = DEFAULT_TTL; IPHeaderOUT->SourceAddress = IPHeaderIN->DestinationAddress; IPHeaderOUT->DestinationAddress = IPHeaderIN->SourceAddress; - + IPHeaderOUT->HeaderChecksum = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t)); - + /* Return the size of the response so far */ return (sizeof(IP_Header_t) + RetSize); } - + return RetSize; } + |