[thirdparty/systemd.git] / src / shared / vlan-util.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  This file is part of systemd.

  Copyright 2016 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <stdbool.h>
#include <inttypes.h>

#define VLANID_MAX 4094
#define VLANID_INVALID UINT16_MAX

/* Note that we permit VLAN Id 0 here, as that is apparently OK by the Linux kernel */
static inline bool vlanid_is_valid(uint16_t id) {
        return id <= VLANID_MAX;
}

int parse_vlanid(const char *p, uint16_t *ret);

int config_parse_default_port_vlanid(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_vlanid(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
267fabd2 LP	2	#pragma once
	3
	4	/***
	5	This file is part of systemd.
	6
	7	Copyright 2016 Lennart Poettering
	8
	9	systemd is free software; you can redistribute it and/or modify it
	10	under the terms of the GNU Lesser General Public License as published by
	11	the Free Software Foundation; either version 2.1 of the License, or
	12	(at your option) any later version.
	13
	14	systemd is distributed in the hope that it will be useful, but
	15	WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	Lesser General Public License for more details.
	18
	19	You should have received a copy of the GNU Lesser General Public License
	20	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	21	***/
	22
	23	#include <stdbool.h>
	24	#include <inttypes.h>
	25
	26	#define VLANID_MAX 4094
	27	#define VLANID_INVALID UINT16_MAX
	28
	29	/* Note that we permit VLAN Id 0 here, as that is apparently OK by the Linux kernel */
	30	static inline bool vlanid_is_valid(uint16_t id) {
	31	return id <= VLANID_MAX;
	32	}
	33
	34	int parse_vlanid(const char p, uint16_t ret);
	35
0d6c68eb	36	int config_parse_default_port_vlanid(const char unit, const char filename, unsigned line, const char section, unsigned section_line, const char lvalue, int ltype, const char rvalue, void data, void *userdata);
267fabd2	37	int config_parse_vlanid(const char unit, const char filename, unsigned line, const char section, unsigned section_line, const char lvalue, int ltype, const char rvalue, void data, void *userdata);