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- /* 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
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