TCP/IP Packet Templates
This section describes the pre-built packet templates for TCP/IP which can be directly used inside the binary transmit pane.
import "TcpIp.jnc" // structs struct ArpFrame; struct EthernetFrame; struct IcmpFrame; struct IpFrame; struct TcpFrame; struct UdpFrame; // global functions void initializeEthernetIpHdr( io.EthernetHdr* ethernetHdr, io.IpHdr* ipHdr, io.IpProtocol protocol ); uint_t calcChecksum16( void const* p0, size_t size ); bigendian unsigned short adjustIpChecksum(uint_t checksum); bigendian unsigned short calcIpHdrChecksum(io.IpHdr const* ipHdr); bigendian unsigned short calcTcpUdpChecksum( io.IpHdr const* ipHdr, void const* p, size_t size );