libreadline - Rework of library (less sucky now!)
[tpg/acess2.git] / Modules / IPStack / ipv6.c
index 31aedcb..9368c3e 100644 (file)
@@ -7,6 +7,7 @@
 #include "ipv6.h"
 
 // === IMPORTS ===
+extern tInterface      *gIP_Interfaces;
 extern Uint32  IPv4_Netmask(int FixedBits);
 
 // === PROTOTYPES ===
@@ -16,7 +17,7 @@ tInterface    *IPv6_GetInterface(tAdapter *Adapter, tIPv6 Address, int Broadcast);
 
 // === CODE ===
 /**
- * \fn int IPv6_Initialise()
+ * \brief Initialise the IPv6 handling code
  */
 int IPv6_Initialise()
 {
@@ -27,18 +28,41 @@ int IPv6_Initialise()
 /**
  * \fn void IPv6_int_GetPacket(tInterface *Interface, tMacAddr From, int Length, void *Buffer)
  * \brief Process an IPv6 Packet
+ * \param Interface    Input interface
+ * \param From Source MAC address
+ * \param Length       Packet length
+ * \param Buffer       Packet data
  */
 void IPv6_int_GetPacket(tAdapter *Interface, tMacAddr From, int Length, void *Buffer)
 {
        tIPv6Header     *hdr = Buffer;
        if(Length < sizeof(tIPv6Header))        return;
        
-       if(hdr->Version != 6)   return;
+       hdr->Head = ntohl(hdr->Head);
+       
+       //if( ((hdr->Head >> (20+8)) & 0xF) != 6 )
+       if( hdr->Version != 6 )
+               return;
+       
+       Log_Debug("IPv6", "hdr = {");
+       Log_Debug("IPv6", " .Version       = %i", hdr->Version );
+       Log_Debug("IPv6", " .TrafficClass  = %i", hdr->TrafficClass );
+       Log_Debug("IPv6", " .FlowLabel     = %i", hdr->FlowLabel );
+       Log_Debug("IPv6", " .PayloadLength = 0x%04x", ntohs(hdr->PayloadLength) );
+       Log_Debug("IPv6", " .NextHeader    = 0x%02x", hdr->NextHeader );
+       Log_Debug("IPv6", " .HopLimit      = 0x%02x", hdr->HopLimit );
+       Log_Debug("IPv6", " .Source        = %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x", hdr->Source );
+       Log_Debug("IPv6", " .Destination   = %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x", hdr->Destination );
+       Log_Debug("IPv6", "}");
+       
 }
 
 /**
  * \fn tInterface *IPv6_GetInterface(tAdapter *Adapter, tIPv6 Address)
  * \brief Searches an adapter for a matching address
+ * \param Adapter      Source adapter
+ * \param Address      Destination Address
+ * \param Broadcast    Allow broadcast?
  */
 tInterface *IPv6_GetInterface(tAdapter *Adapter, tIPv6 Address, int Broadcast)
 {
@@ -46,31 +70,36 @@ tInterface *IPv6_GetInterface(tAdapter *Adapter, tIPv6 Address, int Broadcast)
        tInterface      *iface = NULL;
        Uint32  netmask;
        
-       for( iface = Adapter->Interfaces; iface; iface = iface->Next)
+       for( iface = gIP_Interfaces; iface; iface = iface->Next)
        {
+               tIPv6   *thisAddr;
+               // Check for this adapter
+               if( iface->Adapter != Adapter ) continue;
+               
                // Skip non-IPv6 Interfaces
                if( iface->Type != 6 )  continue;
                
+               thisAddr = (tIPv6*)iface->Address;
                // If the address is a perfect match, return this interface
-               if( IP6_EQU(Address, iface->IP6.Address) )      return iface;
+               if( IP6_EQU(Address, *thisAddr) )       return iface;
                
                // Check if we want to match broadcast addresses
                if( !Broadcast )        continue;
                
                // Check for broadcast
-               if( iface->IP6.SubnetBits > 32 && Address.L[0] != iface->IP6.Address.L[0] )
+               if( iface->SubnetBits > 32 && Address.L[0] != thisAddr->L[0] )
                        continue;
-               if( iface->IP6.SubnetBits > 64 && Address.L[1] != iface->IP6.Address.L[1] )
+               if( iface->SubnetBits > 64 && Address.L[1] != thisAddr->L[1] )
                        continue;
-               if( iface->IP6.SubnetBits > 96 && Address.L[2] != iface->IP6.Address.L[2] )
+               if( iface->SubnetBits > 96 && Address.L[2] != thisAddr->L[2] )
                        continue;
                
-               j = iface->IP6.SubnetBits / 32;
-               i = iface->IP6.SubnetBits % 32;
-               netmask = IPv4_Netmask( iface->IP6.SubnetBits % 32 );
+               j = iface->SubnetBits / 32;
+               i = iface->SubnetBits % 32;
+               netmask = IPv4_Netmask( iface->SubnetBits % 32 );
                
                // Check the last bit of the netmask
-               if( (Address.L[j] >> i) != (iface->IP6.Address.L[j] >> i) )     continue;
+               if( (Address.L[j] >> i) != (thisAddr->L[j] >> i) )      continue;
                
                // Check that the host portion is one
                if( (Address.L[j] & ~netmask) != (0xFFFFFFFF & ~netmask) )      continue;

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