/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright (c) 2021 Red Hat GmbH
 * Author: Stefano Brivio <sbrivio@redhat.com>
 */

#ifndef DHCP_H
#define DHCP_H

/**
 * enum dhcp_opt_type - DHCP option value types per RFC 2132
 * @DHCP_OPT_NONE:	Unsupported or unknown option
 * @DHCP_OPT_STR:	Variable-length string
 * @DHCP_OPT_IPV4:	Single IPv4 address
 * @DHCP_OPT_IPV4_LIST:Multiple IPv4 addresses, comma-separated
 * @DHCP_OPT_INTEGER:	Unsigned integer (1, 2, or 4 bytes)
 */
enum dhcp_opt_type {
	DHCP_OPT_NONE,
	DHCP_OPT_STR,
	DHCP_OPT_IPV4,
	DHCP_OPT_IPV4_LIST,
	DHCP_OPT_INTEGER,
};

int dhcp(const struct ctx *c, struct iov_tail *data);
void dhcp_init(void);
int dhcp_opt_parse(uint8_t code, const char *str, uint8_t *buf, size_t buf_len);

#endif /* DHCP_H */