Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

eth/mac.cpp

Committer:
andrewboyson
Date:
2017-05-01
Revision:
13:9cd54f7db57a
Child:
14:e75a59c1123d

File content as of revision 13:9cd54f7db57a:

#include "mbed.h"
#include "eth.h"

char MacLocal[6];

bool MacCompareBroadcast(char* p)
{
    if (*p++ != 0xff) return false;
    if (*p++ != 0xff) return false;
    if (*p++ != 0xff) return false;
    if (*p++ != 0xff) return false;
    if (*p++ != 0xff) return false;
    if (*p   != 0xff) return false;
    return true;
}
bool MacCompareUnicastLocal(char* p)
{
    return memcmp(p, MacLocal, 6) == 0;
}
bool MacCompareMulticastLocal4(char* p)
{
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x5e) return false;
    char* q = MacLocal + 3;
    if (*p++ != *q++) return false;
    if (*p++ != *q++) return false;
    if (*p   != *q  ) return false;
    return true;
}
bool MacCompareMulticastLocal6(char* p)
{
    if (*p++ != 0x33) return false;
    if (*p++ != 0x33) return false;
    if (*p++ != 0xff) return false;
    char* q = MacLocal + 3;
    if (*p++ != *q++) return false;
    if (*p++ != *q++) return false;
    if (*p   != *q  ) return false;
    return true;
}
bool MacCompareMulticastAllNodes4(char* p)
{
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x5e) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0x01) return false;
    return true;
}
bool MacCompareMulticastAllNodes6(char* p)
{
    if (*p++ != 0x33) return false;
    if (*p++ != 0x33) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0x01) return false;
    return true;
}
bool MacCompareMulticastAllRouters4(char* p)
{
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x5e) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0x02) return false;
    return true;
}
bool MacCompareMulticastAllRouters6(char* p)
{
    if (*p++ != 0x33) return false;
    if (*p++ != 0x33) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0x02) return false;
    return true;
}
bool MacCompareMulticastMdns4(char* p)
{
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x5e) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0xfb) return false;
    return true;
}
bool MacCompareMulticastMdns6(char* p)
{
    if (*p++ != 0x33) return false;
    if (*p++ != 0x33) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0xfb) return false;
    return true;
}
bool MacCompareMulticastLlmnr4(char* p)
{
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x5e) return false;
    if (*p++ != 0x01) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0x03) return false;
    return true;
}
bool MacCompareMulticastLlmnr6(char* p)
{
    if (*p++ != 0x33) return false;
    if (*p++ != 0x33) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p++ != 0x00) return false;
    if (*p   != 0xfc) return false;
    return true;
}
void MacMakeMulticastNode4(char* p)
{
    *p++ = 0x01;
    *p++ = 0x00;
    *p++ = 0x5e;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0x01;
}
void MacMakeMulticastNode6(char* p)
{
    *p++ = 0x33;
    *p++ = 0x33;
    *p++ = 0x00;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0x01;
}
void MacMakeMulticastRouter4(char* p)
{
    *p++ = 0x01;
    *p++ = 0x00;
    *p++ = 0x5e;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0x02;
}
void MacMakeMulticastRouter6(char* p)
{
    *p++ = 0x33;
    *p++ = 0x33;
    *p++ = 0x00;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0x02;
}
void MacMakeMulticastMdns4(char* p)
{
    *p++ = 0x01;
    *p++ = 0x00;
    *p++ = 0x5e;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0xfb;
}
void MacMakeMulticastMdns6(char* p)
{
    *p++ = 0x33;
    *p++ = 0x33;
    *p++ = 0x00;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0xfb;
}
void MacMakeMulticastLlmnr4(char* p)
{
    *p++ = 0x01;
    *p++ = 0x00;
    *p++ = 0x5e;
    *p++ = 0x00;
    *p++ = 0x00;
    *p   = 0xfc;
}
void MacMakeMulticastLlmnr6(char* p)
{
    *p++ = 0x33;
    *p++ = 0x33;
    *p++ = 0x00;
    *p++ = 0x01;
    *p++ = 0x00;
    *p   = 0x03;
}
void MacMakeBroadcast(char* p)
{
    memset(p, 0xFF, 6);
}