L3_IPv4.hpp File Reference

This file contains some definitions and helper functions for when layer 3 is IPv4. More...

#include "Types.hpp"
#include "L2.hpp"
#include "L3_IP.hpp"

Include dependency graph for L3_IPv4.hpp:

This graph shows which files directly or indirectly include this file:

Classes
struct	Myra::L3_IPv4::Header
	Layer 3 IPv4 header. More...

Namespaces
	Myra
	Namespace declaration for all of the Myra Canyon helper functions.
	Myra::L2
	Layer 2 (ethernet).
	Myra::L3_IPv4
	Layer 3 is IPv4.

Typedefs
typedef L3_IP::Protocol	Myra::L3_IPv4::Protocol
	Pull into L3_IPv4 the IP protocol declaration to use in L3_IPv4::Header::protocol. More...

Functions
const Header *	Myra::L3_IPv4::get_header (const uint8_t *ptr)
	Get the L3_IPv4 header. More...
const Header *	Myra::L3_IPv4::get_header (const L2::Header *l2)
	Get the L3_IPv4 header. More...
Protocol	Myra::L3_IPv4::get_protocol (const Header *header)
	Get the protocol from the header to determine how to interpret layer 4. More...
int	Myra::L3_IPv4::get_version (const Header *header)
	Get the high 4 bits from Header::ver_and_ihl. More...
int	Myra::L3_IPv4::get_ihl (const Header *header)
	Get the low 4 bits from Header::ver_and_ihl. More...
uint16_t	Myra::L3_IPv4::get_header_length (const Header *header)
	32 bit words, but 8 bits per byte. More...
uint16_t	Myra::L3_IPv4::get_total_length (const Header *header)
	Get the total length of layer 3+. More...
uint16_t	Myra::L3_IPv4::get_payload_length (const Header *header)
	Number of bytes in layer 4+. More...
const uint8_t *	Myra::L3_IPv4::get_L4_pointer (const Header *header)
	Get a pointer to the start of layer 4. More...
bool	Myra::L3_IPv4::is_known_protocol (const Header *header)
	Determine if the protocol is a known value. More...
bool	Myra::L3_IPv4::is_unknown_protocol (const Header *header)
	Determine if the protocol is unknown. More...
std::string	Myra::L3_IPv4::to_string (const Protocol &proto)
	Return a simple text string that represents the IP protocol name. More...
bool	Myra::L2::ethertype_is_IPv4 (const L2::Ethertype type)
	Determine if a packet's layer 3 is IPv4. More...
bool	Myra::L2::ethertype_is_IPv4 (const L2::Header *l2)
	Determine if a packet's layer 3 is IPv4. More...

Detailed Description

This file contains some definitions and helper functions for when layer 3 is IPv4.