src/network/networkd-address.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5 #include <stdbool.h>
   6
   7 #include "conf-parser.h"
   8 #include "in-addr-util.h"
   9
  10 typedef struct Address Address;
  11
  12 #include "networkd-link.h"
  13 #include "networkd-network.h"
  14 #include "networkd-util.h"
  15
  16 #include "sd-ipv4acd.h"
  17
  18 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
  19
  20 typedef struct Network Network;
  21 typedef struct Link Link;
  22 typedef struct NetworkConfigSection NetworkConfigSection;
  23
  24 struct Address {
  25         Network *network;
  26         NetworkConfigSection *section;
  27
  28         Link *link;
  29
  30         int family;
  31         unsigned char prefixlen;
  32         unsigned char scope;
  33         uint32_t flags;
  34         char *label;
  35
  36         struct in_addr broadcast;
  37         struct ifa_cacheinfo cinfo;
  38
  39         union in_addr_union in_addr;
  40         union in_addr_union in_addr_peer;
  41
  42         bool scope_set:1;
  43         bool ip_masquerade_done:1;
  44         bool manage_temporary_address:1;
  45         bool home_address:1;
  46         bool prefix_route:1;
  47         bool autojoin:1;
  48         AddressFamily duplicate_address_detection;
  49
  50         sd_ipv4acd *acd;
  51
  52         LIST_FIELDS(Address, addresses);
  53 };
  54
  55 int address_new(Address **ret);
  56 void address_free(Address *address);
  57 int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  58 int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  59 int address_get(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  60 bool address_exists(Link *link, int family, const union in_addr_union *in_addr);
  61 int address_update(Address *address, unsigned char flags, unsigned char scope, const struct ifa_cacheinfo *cinfo);
  62 int address_drop(Address *address);
  63 int address_configure(Address *address, Link *link, link_netlink_message_handler_t callback, bool update);
  64 int address_remove(Address *address, Link *link, link_netlink_message_handler_t callback);
  65 bool address_equal(Address *a1, Address *a2);
  66 bool address_is_ready(const Address *a);
  67 int address_section_verify(Address *a);
  68 int configure_ipv4_duplicate_address_detection(Link *link, Address *address);
  69
  70 int generate_ipv6_eui_64_address(Link *link, struct in6_addr *ret);
  71
  72 DEFINE_NETWORK_SECTION_FUNCTIONS(Address, address_free);
  73
  74 extern const struct hash_ops address_hash_ops;
  75
  76 CONFIG_PARSER_PROTOTYPE(config_parse_address);
  77 CONFIG_PARSER_PROTOTYPE(config_parse_broadcast);
  78 CONFIG_PARSER_PROTOTYPE(config_parse_label);
  79 CONFIG_PARSER_PROTOTYPE(config_parse_lifetime);
  80 CONFIG_PARSER_PROTOTYPE(config_parse_address_flags);
  81 CONFIG_PARSER_PROTOTYPE(config_parse_address_scope);
  82 CONFIG_PARSER_PROTOTYPE(config_parse_duplicate_address_detection);