ethernet.h File Reference

#include "lwip/arch.h"
#include "lwip/prot/ieee.h"
#include "arch/bpstruct.h"
#include "arch/epstruct.h"

Data Structures
struct	eth_addr
struct	eth_hdr
struct	eth_vlan_hdr

Macros
#define	ETH_ADDR(b0, b1, b2, b3, b4, b5)
#define	LL_IP4_MULTICAST_ADDR_0   0x01
#define	LL_IP6_MULTICAST_ADDR_0   0x33

Detailed Description

Ethernet protocol definitions

Macro Definition Documentation

ETH_ADDR

#define ETH_ADDR	(		b0,
			b1,
			b2,
			b3,
			b4,
			b5 )

Value:

{{b0, b1, b2, b3, b4, b5}}

Initialize a struct eth_addr with its 6 bytes (takes care of correct braces)

LL_IP4_MULTICAST_ADDR_0

#define LL_IP4_MULTICAST_ADDR_0   0x01

The 24-bit IANA IPv4-multicast OUI is 01-00-5e:

LL_IP6_MULTICAST_ADDR_0

#define LL_IP6_MULTICAST_ADDR_0   0x33

IPv6 multicast uses this prefix