James Sayer / Mbed 2 deprecated smart2

test icmp

Dependencies:   mbed

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ARP_Packet Struct Reference
Data Fields

ARP_Packet Struct Reference

ARP Packet memory map. More...

#include <arp.h>

Data Fields

u16 hardware_type
 0x0001 for ethernet
u16 protocol_type
 0x0800 for IPv4
u8 hardware_length
 Bytes. Ethernet is 6.
u8 protocol_length
 Bytes. IPv4 is 4.
u16 operation
 Operation. 1 for request, 2 for reply or announce.
u8 sender_hardware_address [6]
 Generator of the request or reply.
u8 sender_protocol_address [4]
 All zeroes for an ARP probe.
u8 target_hardware_address [6]
 Announce - same as SHA.
u8 target_protocol_address [4]
 Announce - Same as TPA.

Detailed Description

ARP Packet memory map.

Definition at line 17 of file arp.h.

Field Documentation

u8 hardware_length

Bytes. Ethernet is 6.

Definition at line 20 of file arp.h.

u16 hardware_type

0x0001 for ethernet

Definition at line 18 of file arp.h.

u16 operation

Operation. 1 for request, 2 for reply or announce.

Definition at line 22 of file arp.h.

u8 protocol_length

Bytes. IPv4 is 4.

Definition at line 21 of file arp.h.

u16 protocol_type

0x0800 for IPv4

Definition at line 19 of file arp.h.

u8 sender_hardware_address[6]

Generator of the request or reply.

Definition at line 24 of file arp.h.

u8 sender_protocol_address[4]

All zeroes for an ARP probe.

Definition at line 25 of file arp.h.

u8 target_hardware_address[6]

Announce - same as SHA.

Definition at line 26 of file arp.h.

u8 target_protocol_address[4]

Announce - Same as TPA.

Definition at line 27 of file arp.h.

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