Tcp/ip stack protocol: Implementation in spartan 3e500 fpga

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i am working on spartan 3e5oo xilinx starter kit fpga and trying to implement tcp ip stack protocols in fpga. My question is whether the c code that has to be used in fpga is different from the c code for tcp ip sockets(socket programming). The link i referred as tcp/ip for socket is as given below:

https://www.youtube.com/watch?v=V6CohFrRNTo
 

FPGA programming is done in VHDL or Verilog that are hardware description languages. Do not confuse them with C. To implement a TCP/IP stack on a FPGA you will need to implement the PHY layer probably ethernet using for example VHDL. Then embed a processor core like the xilinx microblaze which will run the TCP/IP stack that you can program using "standard" C.
Xilinx offers a solution>
https://www.xilinx.com/support/documentation/application_notes/xapp1026.pdf
 
An overview of IP/TCP stack implementation in FPGA can be found here:
comblock.com/download/com5402soft.pdf (TCP server)
comblock.com/download/com5403soft.pdf (TCP client)
These run on a Spartan-6 at 125 MHz for gigabit Ethernet.
 

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