src/network/networkd-route.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include "conf-parser.h"
   5
   6 typedef struct Route Route;
   7 typedef struct NetworkConfigSection NetworkConfigSection;
   8
   9 #include "networkd-network.h"
  10
  11 struct Route {
  12         Network *network;
  13         NetworkConfigSection *section;
  14
  15         Link *link;
  16
  17         int family;
  18         int quickack;
  19
  20         unsigned char dst_prefixlen;
  21         unsigned char src_prefixlen;
  22         unsigned char scope;
  23         unsigned char protocol;  /* RTPROT_* */
  24         unsigned char type; /* RTN_* */
  25         unsigned char tos;
  26         uint32_t priority; /* note that ip(8) calls this 'metric' */
  27         uint32_t table;
  28         uint32_t mtu;
  29         uint32_t initcwnd;
  30         uint32_t initrwnd;
  31         unsigned char pref;
  32         unsigned flags;
  33         int gateway_onlink;
  34
  35         union in_addr_union gw;
  36         union in_addr_union dst;
  37         union in_addr_union src;
  38         union in_addr_union prefsrc;
  39
  40         usec_t lifetime;
  41         sd_event_source *expire;
  42
  43         LIST_FIELDS(Route, routes);
  44 };
  45
  46 int route_new_static(Network *network, const char *filename, unsigned section_line, Route **ret);
  47 int route_new(Route **ret);
  48 void route_free(Route *route);
  49 int route_configure(Route *route, Link *link, link_netlink_message_handler_t callback);
  50 int route_remove(Route *route, Link *link, link_netlink_message_handler_t callback);
  51
  52 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);
  53 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);
  54 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);
  55 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);
  56 bool route_equal(Route *r1, Route *r2);
  57
  58 int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata);
  59
  60 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
  61
  62 CONFIG_PARSER_PROTOTYPE(config_parse_gateway);
  63 CONFIG_PARSER_PROTOTYPE(config_parse_preferred_src);
  64 CONFIG_PARSER_PROTOTYPE(config_parse_destination);
  65 CONFIG_PARSER_PROTOTYPE(config_parse_route_priority);
  66 CONFIG_PARSER_PROTOTYPE(config_parse_route_scope);
  67 CONFIG_PARSER_PROTOTYPE(config_parse_route_table);
  68 CONFIG_PARSER_PROTOTYPE(config_parse_gateway_onlink);
  69 CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_route_preference);
  70 CONFIG_PARSER_PROTOTYPE(config_parse_route_protocol);
  71 CONFIG_PARSER_PROTOTYPE(config_parse_route_type);
  72 CONFIG_PARSER_PROTOTYPE(config_parse_tcp_window);
  73 CONFIG_PARSER_PROTOTYPE(config_parse_quickack);
  74 CONFIG_PARSER_PROTOTYPE(config_parse_route_mtu);