arphdr Struct Reference

ARP packet header structure. More...

#include <net/if_arp.h>

Collaboration diagram for arphdr:

Data Fields
uint16_t	ar_hrd
	Format of hardware address. Nut/Net supports ARPHRD_ETHER only.
uint16_t	ar_pro
	Format of protocol address. Only ETHERTYPE_IP is supported by Nut/Net.
uint8_t	ar_hln
	Length of hardware address.
uint8_t	ar_pln
	Length of protocol address.
uint16_t	ar_op
	ARP operation. May be either ARPOP_REQUEST or ARPOP_REPLY.

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Detailed Description

ARP packet header structure.

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Field Documentation

uint16_t arphdr::ar_hrd

Format of hardware address. Nut/Net supports ARPHRD_ETHER only.

Referenced by NutArpAllocNetBuf(), and NutArpInput().

uint16_t arphdr::ar_pro

Format of protocol address. Only ETHERTYPE_IP is supported by Nut/Net.

Referenced by NutArpAllocNetBuf(), and NutArpInput().

uint8_t arphdr::ar_hln

Length of hardware address.

Referenced by NutArpAllocNetBuf(), and NutArpInput().

uint8_t arphdr::ar_pln

Length of protocol address.

Referenced by NutArpAllocNetBuf(), and NutArpInput().

uint16_t arphdr::ar_op

ARP operation. May be either ARPOP_REQUEST or ARPOP_REPLY.

Referenced by NutArpAllocNetBuf(), and NutArpInput().

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The documentation for this struct was generated from the following file:

• include/net/if_arp.h