src/shared/vlan-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2016 Lennart Poettering
   8 ***/
   9
  10 #include <stdbool.h>
  11 #include <inttypes.h>
  12
  13 #define VLANID_MAX 4094
  14 #define VLANID_INVALID UINT16_MAX
  15
  16 /* Note that we permit VLAN Id 0 here, as that is apparently OK by the Linux kernel */
  17 static inline bool vlanid_is_valid(uint16_t id) {
  18         return id <= VLANID_MAX;
  19 }
  20
  21 int parse_vlanid(const char *p, uint16_t *ret);
  22
  23 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);
  24 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);