src/network/networkd-dhcp-common.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <netinet/in.h>
   5
   6 #include "conf-parser.h"
   7 #include "dhcp-identifier.h"
   8 #include "time-util.h"
   9
  10 #define DHCP_ROUTE_METRIC 1024
  11
  12 typedef struct Link Link;
  13 typedef struct Manager Manager;
  14 typedef struct Network Network;
  15
  16 typedef enum DHCPUseDomains {
  17         DHCP_USE_DOMAINS_NO,
  18         DHCP_USE_DOMAINS_YES,
  19         DHCP_USE_DOMAINS_ROUTE,
  20         _DHCP_USE_DOMAINS_MAX,
  21         _DHCP_USE_DOMAINS_INVALID = -EINVAL,
  22 } DHCPUseDomains;
  23
  24 typedef enum DHCPOptionDataType {
  25         DHCP_OPTION_DATA_UINT8,
  26         DHCP_OPTION_DATA_UINT16,
  27         DHCP_OPTION_DATA_UINT32,
  28         DHCP_OPTION_DATA_STRING,
  29         DHCP_OPTION_DATA_IPV4ADDRESS,
  30         DHCP_OPTION_DATA_IPV6ADDRESS,
  31         _DHCP_OPTION_DATA_MAX,
  32         _DHCP_OPTION_DATA_INVALID,
  33 } DHCPOptionDataType;
  34
  35 typedef struct DUID {
  36         /* Value of Type in [DHCP] section */
  37         DUIDType type;
  38
  39         uint8_t raw_data_len;
  40         uint8_t raw_data[MAX_DUID_LEN];
  41         usec_t llt_time;
  42         bool set;
  43 } DUID;
  44
  45 bool link_dhcp_enabled(Link *link, int family);
  46 static inline bool link_dhcp4_enabled(Link *link) {
  47         return link_dhcp_enabled(link, AF_INET);
  48 }
  49 static inline bool link_dhcp6_enabled(Link *link) {
  50         return link_dhcp_enabled(link, AF_INET6);
  51 }
  52
  53 void network_adjust_dhcp(Network *network);
  54
  55 DUID *link_get_duid(Link *link, int family);
  56 static inline DUID *link_get_dhcp4_duid(Link *link) {
  57         return link_get_duid(link, AF_INET);
  58 }
  59 static inline DUID *link_get_dhcp6_duid(Link *link) {
  60         return link_get_duid(link, AF_INET6);
  61 }
  62
  63 int link_configure_duid(Link *link);
  64 int manager_request_product_uuid(Manager *m);
  65
  66 const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_;
  67 DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_;
  68
  69 const char *dhcp_option_data_type_to_string(DHCPOptionDataType d) _const_;
  70 DHCPOptionDataType dhcp_option_data_type_from_string(const char *d) _pure_;
  71
  72 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp);
  73 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_route_metric);
  74 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_use_dns);
  75 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_use_domains);
  76 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_use_ntp);
  77 CONFIG_PARSER_PROTOTYPE(config_parse_iaid);
  78 CONFIG_PARSER_PROTOTYPE(config_parse_section_route_table);
  79 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_user_or_vendor_class);
  80 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_send_option);
  81 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_request_options);
  82 CONFIG_PARSER_PROTOTYPE(config_parse_duid_type);
  83 CONFIG_PARSER_PROTOTYPE(config_parse_manager_duid_type);
  84 CONFIG_PARSER_PROTOTYPE(config_parse_network_duid_type);
  85 CONFIG_PARSER_PROTOTYPE(config_parse_duid_rawdata);
  86 CONFIG_PARSER_PROTOTYPE(config_parse_manager_duid_rawdata);
  87 CONFIG_PARSER_PROTOTYPE(config_parse_network_duid_rawdata);