[thirdparty/u-boot.git] / net / dns.h

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

#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
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
1a32bf41 RG	2	/*
	3	* (C) Masami Komiya <mkomiya@sonare.it> 2005
	4	* Copyright 2009, Robin Getz <rgetz@blackfin.uclinux.org>
1a32bf41 RG	5	*/
	6
	7	#ifndef __DNS_H__
	8	#define __DNS_H__
	9
	10	#define DNS_SERVICE_PORT 53
	11	#define DNS_TIMEOUT 10000UL
	12
	13	/* http://en.wikipedia.org/wiki/List_of_DNS_record_types */
	14	enum dns_query_type {
	15	DNS_A_RECORD = 0x01,
	16	DNS_CNAME_RECORD = 0x05,
	17	DNS_MX_RECORD = 0x0f,
	18	};
	19
	20	/*
	21	* DNS network packet
	22	*/
	23	struct header {
	24	uint16_t tid; /* Transaction ID */
	25	uint16_t flags; /* Flags */
	26	uint16_t nqueries; /* Questions */
	27	uint16_t nanswers; /* Answers */
	28	uint16_t nauth; /* Authority PRs */
	29	uint16_t nother; /* Other PRs */
	30	unsigned char data[1]; /* Data, variable length */
704f3acf	31	} __attribute__((packed));
1a32bf41	32
786eac5f	33	void dns_start(void); /* Begin DNS */
1a32bf41 RG	34
1a32bf41 RG	35	#endif