dns_header Struct Reference

A DNS packet header. More...

#include <dns.h>

Data Fields
uint16_t	id
	Query identifier. More...
uint16_t	flags
	Flags. More...
uint16_t	qdcount
	Number of question records. More...
uint16_t	ancount
	Number of answer records. More...
uint16_t	nscount
	Number of name server records. More...
uint16_t	arcount
	Number of additional records. More...

Detailed Description

A DNS packet header.

Definition at line 65 of file dns.h.

Field Documentation

id

uint16_t dns_header::id

Query identifier.

Definition at line 67 of file dns.h.

Referenced by dns_question(), dns_send_packet(), dns_timer_expired(), and dns_xfer_deliver().

flags

uint16_t dns_header::flags

Flags.

Definition at line 69 of file dns.h.

Referenced by dns_resolv().

qdcount

uint16_t dns_header::qdcount

Number of question records.

Definition at line 71 of file dns.h.

Referenced by dns_resolv(), and dns_xfer_deliver().

ancount

uint16_t dns_header::ancount

Number of answer records.

Definition at line 73 of file dns.h.

nscount

uint16_t dns_header::nscount

Number of name server records.

Definition at line 75 of file dns.h.

arcount

uint16_t dns_header::arcount

Number of additional records.

Definition at line 77 of file dns.h.

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

• include/ipxe/dns.h