src/network/networkd-route.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 "conf-parser.h"
  11
  12 typedef struct Route Route;
  13 typedef struct NetworkConfigSection NetworkConfigSection;
  14
  15 #include "networkd-network.h"
  16
  17 struct Route {
  18         Network *network;
  19         NetworkConfigSection *section;
  20
  21         Link *link;
  22
  23         int family;
  24         int quickack;
  25
  26         unsigned char dst_prefixlen;
  27         unsigned char src_prefixlen;
  28         unsigned char scope;
  29         unsigned char protocol;  /* RTPROT_* */
  30         unsigned char type; /* RTN_* */
  31         unsigned char tos;
  32         uint32_t priority; /* note that ip(8) calls this 'metric' */
  33         uint32_t table;
  34         uint32_t mtu;
  35         uint32_t initcwnd;
  36         uint32_t initrwnd;
  37         unsigned char pref;
  38         unsigned flags;
  39
  40         union in_addr_union gw;
  41         union in_addr_union dst;
  42         union in_addr_union src;
  43         union in_addr_union prefsrc;
  44
  45         usec_t lifetime;
  46         sd_event_source *expire;
  47
  48         LIST_FIELDS(Route, routes);
  49 };
  50
  51 int route_new_static(Network *network, const char *filename, unsigned section_line, Route **ret);
  52 int route_new(Route **ret);
  53 void route_free(Route *route);
  54 int route_configure(Route *route, Link *link, sd_netlink_message_handler_t callback);
  55 int route_remove(Route *route, Link *link, sd_netlink_message_handler_t callback);
  56
  57 int route_get(Link *link, int family, const union in_addr_union *dst, unsigned char dst_prefixlen, unsigned char tos, uint32_t priority, uint32_t table, Route **ret);
  58 int route_add(Link *link, int family, const union in_addr_union *dst, unsigned char dst_prefixlen, unsigned char tos, uint32_t priority, uint32_t table, Route **ret);
  59 int route_add_foreign(Link *link, int family, const union in_addr_union *dst, unsigned char dst_prefixlen, unsigned char tos, uint32_t priority, uint32_t table, Route **ret);
  60 void route_update(Route *route, const union in_addr_union *src, unsigned char src_prefixlen, const union in_addr_union *gw, const union in_addr_union *prefsrc, unsigned char scope, unsigned char protocol, unsigned char type);
  61
  62 int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata);
  63
  64 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
  65
  66 CONFIG_PARSER_PROTOTYPE(config_parse_gateway);
  67 CONFIG_PARSER_PROTOTYPE(config_parse_preferred_src);
  68 CONFIG_PARSER_PROTOTYPE(config_parse_destination);
  69 CONFIG_PARSER_PROTOTYPE(config_parse_route_priority);
  70 CONFIG_PARSER_PROTOTYPE(config_parse_route_scope);
  71 CONFIG_PARSER_PROTOTYPE(config_parse_route_table);
  72 CONFIG_PARSER_PROTOTYPE(config_parse_gateway_onlink);
  73 CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_route_preference);
  74 CONFIG_PARSER_PROTOTYPE(config_parse_route_protocol);
  75 CONFIG_PARSER_PROTOTYPE(config_parse_route_type);
  76 CONFIG_PARSER_PROTOTYPE(config_parse_tcp_window);
  77 CONFIG_PARSER_PROTOTYPE(config_parse_quickack);