IPv6, and I need to learn to compile before commiting

[tpg/acess2.git] / Modules / IPStack / link.c

diff --git a/Modules/IPStack/link.c b/Modules/IPStack/link.c
index cb59f0f..0191efb 100644 (file)
--- a/Modules/IPStack/link.c
+++ b/Modules/IPStack/link.c
@@ -70,7 +70,7 @@ void Link_RegisterType(Uint16 Type, tPacketCallback Callback)
  */
 void Link_SendPacket(tAdapter *Adapter, Uint16 Type, tMacAddr To, int Length, void *Buffer)
 {
-        int    bufSize = sizeof(tEthernetHeader) + Length + 4;
+        int    bufSize = sizeof(tEthernetHeader) + ((Length+3)&~3) + 4;
        Uint8   buf[bufSize];   // dynamic stack arrays ftw!
        tEthernetHeader *hdr = (void*)buf;
        
@@ -83,9 +83,8 @@ void Link_SendPacket(tAdapter *Adapter, Uint16 Type, tMacAddr To, int Length, vo
        
        memcpy(hdr->Data, Buffer, Length);
        
-       *(Uint32*) &hdr->Data[Length] = 0;
-       *(Uint32*) &hdr->Data[Length] = htonl( Link_CalculateCRC(buf, bufSize) );
-       
+       *(Uint32*) &hdr->Data[bufSize-4] = 0;
+       *(Uint32*) &hdr->Data[bufSize-4] = htonl( Link_CalculateCRC(buf, bufSize) );
        
        VFS_Write(Adapter->DeviceFD, bufSize, buf);
 }