[people/ms/u-boot.git] / net / dns.h

/*
 * (C) Masami Komiya <mkomiya@sonare.it> 2005
 *  Copyright 2009, Robin Getz <rgetz@blackfin.uclinux.org>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __DNS_H__
#define __DNS_H__

#define DNS_SERVICE_PORT 53
#define DNS_TIMEOUT      10000UL

/* http://en.wikipedia.org/wiki/List_of_DNS_record_types */
enum dns_query_type {
	DNS_A_RECORD = 0x01,
	DNS_CNAME_RECORD = 0x05,
	DNS_MX_RECORD = 0x0f,
};

/*
 * DNS network packet
 */
struct header {
	uint16_t	tid;		/* Transaction ID */
	uint16_t	flags;		/* Flags */
	uint16_t	nqueries;	/* Questions */
	uint16_t	nanswers;	/* Answers */
	uint16_t	nauth;		/* Authority PRs */
	uint16_t	nother;		/* Other PRs */
	unsigned char	data[1];	/* Data, variable length */
} __attribute__((packed));

void dns_start(void);		/* Begin DNS */

#endif
Commit	Line	Data
1a32bf41 RG	1	/*
	2	* (C) Masami Komiya <mkomiya@sonare.it> 2005
	3	* Copyright 2009, Robin Getz <rgetz@blackfin.uclinux.org>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
1a32bf41 RG	6	*/
	7
	8	#ifndef __DNS_H__
	9	#define __DNS_H__
	10
	11	#define DNS_SERVICE_PORT 53
	12	#define DNS_TIMEOUT 10000UL
	13
	14	/* http://en.wikipedia.org/wiki/List_of_DNS_record_types */
	15	enum dns_query_type {
	16	DNS_A_RECORD = 0x01,
	17	DNS_CNAME_RECORD = 0x05,
	18	DNS_MX_RECORD = 0x0f,
	19	};
	20
	21	/*
	22	* DNS network packet
	23	*/
	24	struct header {
	25	uint16_t tid; /* Transaction ID */
	26	uint16_t flags; /* Flags */
	27	uint16_t nqueries; /* Questions */
	28	uint16_t nanswers; /* Answers */
	29	uint16_t nauth; /* Authority PRs */
	30	uint16_t nother; /* Other PRs */
	31	unsigned char data[1]; /* Data, variable length */
704f3acf	32	} __attribute__((packed));
1a32bf41	33
786eac5f	34	void dns_start(void); /* Begin DNS */
1a32bf41 RG	35
1a32bf41 RG	36	#endif