Update UC3 platform driver support to use the bitmasks defined in the header files...

[pub/USBasp.git] / Demos / Device / LowLevel / RNDISEthernet / Lib / DHCP.c

diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
index eeed884..5fce88a 100644 (file)
--- a/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
+++ b/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+

   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com
+           www.lufa-lib.org

 */
 
 /*
 */
 
 /*

-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  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
   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
   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
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -34,7 +34,7 @@
  *  handles the automatic IP negotiation to the host, so that the host will use the provided
  *  IP address given to it by the device.
  */
  *  handles the automatic IP negotiation to the host, so that the host will use the provided
  *  IP address given to it by the device.
  */

- 
+

 #include "DHCP.h"
 
 /** Processes a DHCP packet inside an Ethernet frame, and writes the appropriate response
 #include "DHCP.h"
 
 /** Processes a DHCP packet inside an Ethernet frame, and writes the appropriate response


@@ -46,18 +46,20 @@
  *
  *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
  */
  *
  *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
  */

-int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, void* DHCPHeaderOutStart)
+int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
+                               void* DHCPHeaderInStart,
+                               void* DHCPHeaderOutStart)

 {
        IP_Header_t*   IPHeaderIN    = (IP_Header_t*)IPHeaderInStart;
        DHCP_Header_t* DHCPHeaderIN  = (DHCP_Header_t*)DHCPHeaderInStart;
        DHCP_Header_t* DHCPHeaderOUT = (DHCP_Header_t*)DHCPHeaderOutStart;
 {
        IP_Header_t*   IPHeaderIN    = (IP_Header_t*)IPHeaderInStart;
        DHCP_Header_t* DHCPHeaderIN  = (DHCP_Header_t*)DHCPHeaderInStart;
        DHCP_Header_t* DHCPHeaderOUT = (DHCP_Header_t*)DHCPHeaderOutStart;

-       
+

        uint8_t* DHCPOptionsINStart  = (uint8_t*)(DHCPHeaderInStart  + sizeof(DHCP_Header_t));
        uint8_t* DHCPOptionsOUTStart = (uint8_t*)(DHCPHeaderOutStart + sizeof(DHCP_Header_t));
 
        DecodeDHCPHeader(DHCPHeaderInStart);
 
        uint8_t* DHCPOptionsINStart  = (uint8_t*)(DHCPHeaderInStart  + sizeof(DHCP_Header_t));
        uint8_t* DHCPOptionsOUTStart = (uint8_t*)(DHCPHeaderOutStart + sizeof(DHCP_Header_t));
 
        DecodeDHCPHeader(DHCPHeaderInStart);
 

-       /* Zero out the response DHCP packet, as much of it legacy and left at 0 */
+       /* Zero out the response DHCP packet, as much of it is legacy and left at 0 */

        memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
 
        /* Fill out the response DHCP packet */
        memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
 
        /* Fill out the response DHCP packet */


@@ -71,7 +73,7 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, v
        DHCPHeaderOUT->YourIP                = ClientIPAddress;
        memmove(&DHCPHeaderOUT->ClientHardwareAddress, &DHCPHeaderIN->ClientHardwareAddress, sizeof(MAC_Address_t));
        DHCPHeaderOUT->Cookie                = SwapEndian_32(DHCP_MAGIC_COOKIE);
        DHCPHeaderOUT->YourIP                = ClientIPAddress;
        memmove(&DHCPHeaderOUT->ClientHardwareAddress, &DHCPHeaderIN->ClientHardwareAddress, sizeof(MAC_Address_t));
        DHCPHeaderOUT->Cookie                = SwapEndian_32(DHCP_MAGIC_COOKIE);

-       
+

        /* Alter the incoming IP packet header so that the corrected IP source and destinations are used - this means that
           when the response IP header is generated, it will use the corrected addresses and not the null/broatcast addresses */
        IPHeaderIN->SourceAddress      = ClientIPAddress;
        /* Alter the incoming IP packet header so that the corrected IP source and destinations are used - this means that
           when the response IP header is generated, it will use the corrected addresses and not the null/broatcast addresses */
        IPHeaderIN->SourceAddress      = ClientIPAddress;


@@ -79,7 +81,7 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, v
 
        /* Process the incoming DHCP packet options */
        while (DHCPOptionsINStart[0] != DHCP_OPTION_END)
 
        /* Process the incoming DHCP packet options */
        while (DHCPOptionsINStart[0] != DHCP_OPTION_END)

-       {       
+       {

                /* Find the Message Type DHCP option, to determine the type of DHCP packet */
                if (DHCPOptionsINStart[0] == DHCP_OPTION_MESSAGETYPE)
                {
                /* Find the Message Type DHCP option, to determine the type of DHCP packet */
                if (DHCPOptionsINStart[0] == DHCP_OPTION_MESSAGETYPE)
                {


@@ -105,14 +107,15 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, v
                                DHCPOptionsOUTStart     += sizeof(IP_Address_t);
 
                                *(DHCPOptionsOUTStart++) = DHCP_OPTION_END;
                                DHCPOptionsOUTStart     += sizeof(IP_Address_t);
 
                                *(DHCPOptionsOUTStart++) = DHCP_OPTION_END;

-                               
+

                                return (sizeof(DHCP_Header_t) + 12 + sizeof(IP_Address_t));
                        }
                }
                                return (sizeof(DHCP_Header_t) + 12 + sizeof(IP_Address_t));
                        }
                }

-               
+

                /* Go to the next DHCP option - skip one byte if option is a padding byte, else skip the complete option's size */
                DHCPOptionsINStart += ((DHCPOptionsINStart[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptionsINStart[1] + 2));
        }
                /* Go to the next DHCP option - skip one byte if option is a padding byte, else skip the complete option's size */
                DHCPOptionsINStart += ((DHCPOptionsINStart[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptionsINStart[1] + 2));
        }

-       
+

        return NO_RESPONSE;
 }
        return NO_RESPONSE;
 }

+