this.clientIPAddress = IPv4Address.readFrom(skbuf, 12);
this.yourIPAddress = IPv4Address.readFrom(skbuf, 16);
this.serverIPAddress = IPv4Address.readFrom(skbuf, 20);
this.gatewayIPAddress = IPv4Address.readFrom(skbuf, 24);
if (hwType == 1) {
clientHwAddress = new EthernetAddress(skbuf, 28);
} else {
clientHwAddress = null;
}
byte[] tmp = new byte[128];
skbuf.get(tmp, 0, 32, 64);