FAS: Using FPGA to Accelerate and Secure SDN Software Switches

Pseudocode 1

Sending pseudocode for virtual Ethernet port.

Pseudocode: Sending procedure in NetMagic-Pro with FAST

nmp_xmit_Frame (Skb, nmp_netdev)

  if (Skb->flag == NMP_PACKET)

   nmp = transfer (Skb, nmp_netdev);

   send_nmp_pkt (nmp)

    //hardware send function by writing registers

    NMP_SEND_PKT_REG(REG_addr,nmp.metedata);

  else

    nmp = get_soft_nmp(Skb, nmp_netdev);

    nmp.metedata.soft = 1;

    send_nmp_pkt (nmp)

     NMP_SEND_PKT_REG(REG_addr,nmp.metedata);