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 typedef int (*address_ready_callback_t)(Address *address);
  24
  25 struct Address {
  26         Network *network;
  27         NetworkConfigSection *section;
  28
  29         Link *link;
  30
  31         int family;
  32         unsigned char prefixlen;
  33         unsigned char scope;
  34         uint32_t flags;
  35         char *label;
  36
  37         struct in_addr broadcast;
  38         struct ifa_cacheinfo cinfo;
  39
  40         union in_addr_union in_addr;
  41         union in_addr_union in_addr_peer;
  42
  43         bool scope_set:1;
  44         bool ip_masquerade_done:1;
  45         bool manage_temporary_address:1;
  46         bool home_address:1;
  47         bool prefix_route:1;
  48         bool autojoin:1;
  49         AddressFamily duplicate_address_detection;
  50
  51         /* Called when address become ready */
  52         address_ready_callback_t callback;
  53
  54         sd_ipv4acd *acd;
  55
  56         LIST_FIELDS(Address, addresses);
  57 };
  58
  59 int address_new(Address **ret);
  60 void address_free(Address *address);
  61 int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  62 int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  63 int address_get(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  64 bool address_exists(Link *link, int family, const union in_addr_union *in_addr);
  65 int address_update(Address *address, unsigned char flags, unsigned char scope, const struct ifa_cacheinfo *cinfo);
  66 int address_drop(Address *address);
  67 int address_configure(Address *address, Link *link, link_netlink_message_handler_t callback, bool update, Address **ret);
  68 int address_remove(Address *address, Link *link, link_netlink_message_handler_t callback);
  69 bool address_equal(Address *a1, Address *a2);
  70 bool address_is_ready(const Address *a);
  71 int address_section_verify(Address *a);
  72 int configure_ipv4_duplicate_address_detection(Link *link, Address *address);
  73
  74 int generate_ipv6_eui_64_address(Link *link, struct in6_addr *ret);
  75
  76 DEFINE_NETWORK_SECTION_FUNCTIONS(Address, address_free);
  77
  78 void address_hash_func(const Address *a, struct siphash *state);
  79 int address_compare_func(const Address *a1, const Address *a2);
  80 extern const struct hash_ops address_hash_ops;
  81
  82 CONFIG_PARSER_PROTOTYPE(config_parse_address);
  83 CONFIG_PARSER_PROTOTYPE(config_parse_broadcast);
  84 CONFIG_PARSER_PROTOTYPE(config_parse_label);
  85 CONFIG_PARSER_PROTOTYPE(config_parse_lifetime);
  86 CONFIG_PARSER_PROTOTYPE(config_parse_address_flags);
  87 CONFIG_PARSER_PROTOTYPE(config_parse_address_scope);
  88 CONFIG_PARSER_PROTOTYPE(config_parse_duplicate_address_detection);