src/network/networkd-address.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #pragma once
   4
   5 /***
   6   This file is part of systemd.
   7
   8   Copyright 2013 Tom Gundersen <teg@jklm.no>
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 ***/
  23
  24 #include <inttypes.h>
  25 #include <stdbool.h>
  26
  27 #include "in-addr-util.h"
  28
  29 typedef struct Address Address;
  30
  31 #include "networkd-link.h"
  32 #include "networkd-network.h"
  33 #include "networkd.h"
  34
  35 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
  36
  37 struct Address {
  38         Network *network;
  39         unsigned section;
  40
  41         Link *link;
  42
  43         int family;
  44         unsigned char prefixlen;
  45         unsigned char scope;
  46         uint32_t flags;
  47         char *label;
  48
  49         struct in_addr broadcast;
  50         struct ifa_cacheinfo cinfo;
  51
  52         union in_addr_union in_addr;
  53         union in_addr_union in_addr_peer;
  54
  55         bool ip_masquerade_done:1;
  56
  57         LIST_FIELDS(Address, addresses);
  58 };
  59
  60 int address_new_static(Network *network, unsigned section, Address **ret);
  61 int address_new(Address **ret);
  62 void address_free(Address *address);
  63 int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  64 int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  65 int address_get(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret);
  66 int address_update(Address *address, unsigned char flags, unsigned char scope, struct ifa_cacheinfo *cinfo);
  67 int address_drop(Address *address);
  68 int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback, bool update);
  69 int address_remove(Address *address, Link *link, sd_netlink_message_handler_t callback);
  70 bool address_equal(Address *a1, Address *a2);
  71 bool address_is_ready(const Address *a);
  72
  73 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
  74 #define _cleanup_address_free_ _cleanup_(address_freep)
  75
  76 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);
  77 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);
  78 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);