network_utils.hpp

Go to the documentation of this file.

 
//  *
//  *     Description:
//  *        This file contains network types and functions that are shared
//  *        across HLS cores.
//  *
//  *
//  *----------------------------------------------------------------------------
//  *
//  * @details    : Data structures, types and prototypes definitions
//  *               that are shared across HLS cores in the Shell.
//  *
//  * @terminology:
//  *      In telecommunications, a protocol data unit (PDU) is a single unit of
//  *       information transmitted among peer entities of a computer network.
//  *      A PDU is therefore composed of a protocol specific control information
//  *       (e.g, a header) and a user data section.
//  *  This source code uses the following terminology:
//  *   - a SEGMENT  (or TCP Packet) refers to the TCP protocol data unit.
//  *   - a DATAGRAM )or UDP Packet) refers to the UDP protocol data unit.
//  *   - a PACKET   (or IP  Packet) refers to the IP protocol data unit.
//  *   - a FRAME    (or MAC Frame)  refers to the Ethernet data link layer.
//  *
 
#ifndef _CF_NETWORK_UTILS_
#define _CF_NETWORK_UTILS_
 
 
#include <stdint.h>
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <string>
#include <math.h>
#include <vector>
 
#include "ap_int.h"
#include "ap_utils.h"
#include <hls_stream.h>
 
//user network interface
#include "../../../hls/network.hpp"
 
using namespace hls;
 
 
// import NTS types (if not yet defined)
#include "NTS/nts.hpp"
#include "NTS/nts_types.hpp"
#include "NTS/nts_config.hpp"
#include "NTS/nts_utils.hpp"
#include "NTS/AxisRaw.hpp"
 
 
/* ===== NAL specific ====== */
 
 
typedef TcpSessId   AppMeta;
 
// --- utility functions -----
 
//void convertAxisToNtsWidth(stream<AxisRaw<8> > &small, AxisRa &out);
 
ap_uint<32> bigEndianToInteger(ap_uint<8> *buffer, int lsb);
void integerToBigEndian(ap_uint<32> n, ap_uint<8> *bytes);
 
/* MOVED to nts_utils.hpp
   ap_uint<16> swapWord   (ap_uint<16> inpWord);       // [FIXME - To be replaced w/ byteSwap16]
   ap_uint<16> byteSwap16 (ap_uint<16> inputVector);
   ap_uint<32> swapDWord  (ap_uint<32> inpDWord);      // [FIXME - To be replaced w/ byteSwap32]
   ap_uint<32> byteSwap32 (ap_uint<32> inputVector);
   */
 
ap_uint<8>  lenToKeep  (ap_uint<4> noValidBytes);
//ap_uint<8>  returnKeep (ap_uint<4> length);
ap_uint<4>  keepToLen  (ap_uint<8> keepValue);
//ap_uint<4>  keepMapping(ap_uint<8> keepValue);
 
#endif