diff options
Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/Lib/UDP.c')
| -rw-r--r-- | lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/Lib/UDP.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/Lib/UDP.c b/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/Lib/UDP.c deleted file mode 100644 index 03c19e00ed..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/Lib/UDP.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 - * - * User Datagram Protocol (UDP) packet handling routines. This protocol handles high throughput, low - * reliability packets which are typically used to encapsulate streaming data. - */ - -#define INCLUDE_FROM_UDP_C -#include "UDP.h" - -/** Processes a UDP packet inside an Ethernet frame, and writes the appropriate response - * to the output Ethernet frame if a sub-protocol handler has created a response packet. - * - * \param[in] IPHeaderInStart Pointer to the start of the incoming packet's IP header - * \param[in] UDPHeaderInStart Pointer to the start of the incoming packet's UDP header - * \param[out] UDPHeaderOutStart Pointer to the start of the outgoing packet's UDP header - * - * \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise - */ -int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart, - void* UDPHeaderInStart, - void* UDPHeaderOutStart) -{ - UDP_Header_t* UDPHeaderIN = (UDP_Header_t*)UDPHeaderInStart; - UDP_Header_t* UDPHeaderOUT = (UDP_Header_t*)UDPHeaderOutStart; - - int16_t RetSize = NO_RESPONSE; - - DecodeUDPHeader(UDPHeaderInStart); - - switch (SwapEndian_16(UDPHeaderIN->DestinationPort)) - { - case UDP_PORT_DHCP_REQUEST: - RetSize = DHCP_ProcessDHCPPacket(IPHeaderInStart, - &((uint8_t*)UDPHeaderInStart)[sizeof(UDP_Header_t)], - &((uint8_t*)UDPHeaderOutStart)[sizeof(UDP_Header_t)]); - break; - } - - /* Check to see if the protocol processing routine has filled out a response */ - if (RetSize > 0) - { - /* Fill out the response UDP packet header */ - UDPHeaderOUT->SourcePort = UDPHeaderIN->DestinationPort; - UDPHeaderOUT->DestinationPort = UDPHeaderIN->SourcePort; - UDPHeaderOUT->Checksum = 0; - UDPHeaderOUT->Length = SwapEndian_16(sizeof(UDP_Header_t) + RetSize); - - /* Return the size of the response so far */ - return (sizeof(UDP_Header_t) + RetSize); - } - - return NO_RESPONSE; -} - |