arphdr Struct Reference

An ARP header. More...

#include <if_arp.h>

Data Fields
uint16_t	ar_hrd
	Link-layer protocol.
uint16_t	ar_pro
	Network-layer protocol.
uint8_t	ar_hln
	Link-layer address length.
uint8_t	ar_pln
	Network-layer address length.
uint16_t	ar_op
	ARP opcode.

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Detailed Description

An ARP header.

This contains only the fixed-size portions of an ARP header; for other fields use the arp_{sender,target}_{ha,pa} family of functions.

Definition at line 47 of file if_arp.h.

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Field Documentation

uint16_t arphdr::ar_hrd

Link-layer protocol.

This is an ARPHRD_XXX constant

Definition at line 52 of file if_arp.h.

Referenced by arp_resolve(), arp_rx(), and gdbudp_recv().

uint16_t arphdr::ar_pro

Network-layer protocol.

This is, for Ethernet, an ETH_P_XXX constant.

Definition at line 57 of file if_arp.h.

Referenced by arp_resolve(), arp_rx(), and gdbudp_recv().

uint8_t arphdr::ar_hln

Link-layer address length.

Definition at line 59 of file if_arp.h.

Referenced by arp_resolve(), arp_rx(), arp_sender_pa(), arp_target_pa(), and gdbudp_recv().

uint8_t arphdr::ar_pln

Network-layer address length.

Definition at line 61 of file if_arp.h.

Referenced by arp_resolve(), arp_rx(), arp_target_ha(), and gdbudp_recv().

uint16_t arphdr::ar_op

ARP opcode.

Definition at line 63 of file if_arp.h.

Referenced by arp_resolve(), arp_rx(), and gdbudp_recv().

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

• include/gpxe/if_arp.h