mac.h

/*
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
 * Author: GreenSocs 2022
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _MAC_H_
#define _MAC_H_
 
#include <cstring>
#include <inttypes.h>
 
#include <iostream>
#include <string>
 
class MACAddress
{
private:
    uint8_t m_bytes[6];
 
public:
    MACAddress() { memset(m_bytes, 0, sizeof(m_bytes)); }
 
public:
    uint32_t lo() const;
    uint16_t hi() const;
 
    void set_lo(uint32_t value);
    void set_hi(uint16_t value);
 
public:
    void zero();
 
    inline void randomize()
    {
        for (int i = 0; i < 6; ++i) {
            m_bytes[i] = i;
        }
        m_bytes[0] &= ~((uint8_t)1); // clear multicast bit
    }
 
    bool set_from_str(const std::string& s);
 
public:
    bool operator==(const MACAddress& other) const { return memcmp(m_bytes, other.m_bytes, 6) == 0; }
 
    bool operator!=(const MACAddress& other) const { return !this->operator==(other); }
 
    bool operator<(const MACAddress& other) const { return memcmp(m_bytes, other.m_bytes, 6) < 0; }
 
    bool operator>(const MACAddress& other) const { return memcmp(m_bytes, other.m_bytes, 6) > 0; }
 
    bool operator<=(const MACAddress& other) const { return memcmp(m_bytes, other.m_bytes, 6) <= 0; }
 
    bool operator>=(const MACAddress& other) const { return memcmp(m_bytes, other.m_bytes, 6) >= 0; }
 
    uint8_t operator[](int i) const { return (i < 6) ? m_bytes[i] : 0; }
};
 
#endif