src/network/networkd-address.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2013 Tom Gundersen <teg@jklm.no>
   8 ***/
   9
  10 #include <inttypes.h>
  11 #include <stdbool.h>
  12
  13 #include "in-addr-util.h"
  14
  15 typedef struct Address Address;
  16
  17 #include "networkd-link.h"
  18 #include "networkd-network.h"
  19
  20 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
  21
  22 typedef struct Network Network;
  23 typedef struct Link Link;
  24 typedef struct NetworkConfigSection NetworkConfigSection;
  25
  26 struct Address {
  27         Network *network;
  28         NetworkConfigSection *section;
  29
  30         Link *link;
  31
  32         int family;
  33         unsigned char prefixlen;
  34         unsigned char scope;
  35         uint32_t flags;
  36         char *label;
  37
  38         struct in_addr broadcast;
  39         struct ifa_cacheinfo cinfo;
  40
  41         union in_addr_union in_addr;
  42         union in_addr_union in_addr_peer;
  43
  44         bool ip_masquerade_done:1;
  45         bool duplicate_address_detection;
  46         bool manage_temporary_address;
  47         bool home_address;
  48         bool prefix_route;
  49         bool autojoin;
  50
  51         LIST_FIELDS(Address, addresses);
  52 };
  53
  54 int address_new_static(Network *network, const char *filename, unsigned section, Address **ret);
  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 int address_update(Address *address, unsigned char flags, unsigned char scope, const struct ifa_cacheinfo *cinfo);
  61 int address_drop(Address *address);
  62 int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback, bool update);
  63 int address_remove(Address *address, Link *link, sd_netlink_message_handler_t callback);
  64 bool address_equal(Address *a1, Address *a2);
  65 bool address_is_ready(const Address *a);
  66
  67 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
  68 #define _cleanup_address_free_ _cleanup_(address_freep)
  69
  70 int config_parse_address(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);
  71 int config_parse_broadcast(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);
  72 int config_parse_label(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);
  73 int config_parse_lifetime(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);
  74 int config_parse_address_flags(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);
  75 int config_parse_address_scope(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);