src/systemd/sd-dhcp-duid.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #ifndef foosddhcpduidhfoo
   3 #define foosddhcpduidhfoo
   4
   5 /***
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <https://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <inttypes.h>
  21 #include <sys/types.h>
  22
  23 #include "_sd-common.h"
  24
  25 _SD_BEGIN_DECLARATIONS;
  26
  27 enum {
  28         SD_DUID_TYPE_LLT        = 1,
  29         SD_DUID_TYPE_EN         = 2,
  30         SD_DUID_TYPE_LL         = 3,
  31         SD_DUID_TYPE_UUID       = 4
  32 };
  33
  34 typedef struct sd_dhcp_duid sd_dhcp_duid;
  35
  36 int sd_dhcp_duid_clear(sd_dhcp_duid *duid);
  37
  38 int sd_dhcp_duid_is_set(const sd_dhcp_duid *duid);
  39
  40 int sd_dhcp_duid_get(const sd_dhcp_duid *duid, uint16_t *ret_type, const void **ret_data, size_t *ret_size);
  41 int sd_dhcp_duid_get_raw(const sd_dhcp_duid *duid, const void **ret_data, size_t *ret_size);
  42
  43 int sd_dhcp_duid_set(
  44                 sd_dhcp_duid *duid,
  45                 uint16_t duid_type,
  46                 const void *data,
  47                 size_t data_size);
  48 int sd_dhcp_duid_set_raw(
  49                 sd_dhcp_duid *duid,
  50                 const void *data,
  51                 size_t data_size);
  52 int sd_dhcp_duid_set_llt(
  53                 sd_dhcp_duid *duid,
  54                 const void *hw_addr,
  55                 size_t hw_addr_size,
  56                 uint16_t arp_type,
  57                 uint64_t usec);
  58 int sd_dhcp_duid_set_ll(
  59                 sd_dhcp_duid *duid,
  60                 const void *hw_addr,
  61                 size_t hw_addr_size,
  62                 uint16_t arp_type);
  63 int sd_dhcp_duid_set_en(sd_dhcp_duid *duid);
  64 int sd_dhcp_duid_set_uuid(sd_dhcp_duid *duid);
  65
  66 int sd_dhcp_duid_to_string(const sd_dhcp_duid *duid, char **ret);
  67
  68 _SD_END_DECLARATIONS;
  69
  70 #endif