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 #include "networkd-util.h"
  11
  12 struct Route {
  13         Network *network;
  14         NetworkConfigSection *section;
  15
  16         Link *link;
  17
  18         int family;
  19         int quickack;
  20         int fast_open_no_cookie;
  21         int ttl_propagate;
  22
  23         unsigned char dst_prefixlen;
  24         unsigned char src_prefixlen;
  25         unsigned char scope;
  26         unsigned char protocol;  /* RTPROT_* */
  27         unsigned char type; /* RTN_* */
  28         unsigned char tos;
  29         uint32_t priority; /* note that ip(8) calls this 'metric' */
  30         uint32_t table;
  31         uint32_t mtu;
  32         uint32_t initcwnd;
  33         uint32_t initrwnd;
  34         unsigned char pref;
  35         unsigned flags;
  36         int gateway_onlink;
  37
  38         union in_addr_union gw;
  39         union in_addr_union dst;
  40         union in_addr_union src;
  41         union in_addr_union prefsrc;
  42
  43         usec_t lifetime;
  44         sd_event_source *expire;
  45
  46         LIST_FIELDS(Route, routes);
  47 };
  48
  49 int route_new(Route **ret);
  50 void route_free(Route *route);
  51 int route_configure(Route *route, Link *link, link_netlink_message_handler_t callback);
  52 int route_remove(Route *route, Link *link, link_netlink_message_handler_t callback);
  53
  54 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);
  55 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);
  56 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);
  57 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);
  58 bool route_equal(Route *r1, Route *r2);
  59
  60 int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata);
  61 int route_section_verify(Route *route, Network *network);
  62
  63 DEFINE_NETWORK_SECTION_FUNCTIONS(Route, route_free);
  64
  65 int network_add_ipv4ll_route(Network *network);
  66 int network_add_default_route_on_device(Network *network);
  67
  68 CONFIG_PARSER_PROTOTYPE(config_parse_gateway);
  69 CONFIG_PARSER_PROTOTYPE(config_parse_preferred_src);
  70 CONFIG_PARSER_PROTOTYPE(config_parse_destination);
  71 CONFIG_PARSER_PROTOTYPE(config_parse_route_priority);
  72 CONFIG_PARSER_PROTOTYPE(config_parse_route_scope);
  73 CONFIG_PARSER_PROTOTYPE(config_parse_route_table);
  74 CONFIG_PARSER_PROTOTYPE(config_parse_gateway_onlink);
  75 CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_route_preference);
  76 CONFIG_PARSER_PROTOTYPE(config_parse_route_protocol);
  77 CONFIG_PARSER_PROTOTYPE(config_parse_route_type);
  78 CONFIG_PARSER_PROTOTYPE(config_parse_tcp_window);
  79 CONFIG_PARSER_PROTOTYPE(config_parse_quickack);
  80 CONFIG_PARSER_PROTOTYPE(config_parse_fast_open_no_cookie);
  81 CONFIG_PARSER_PROTOTYPE(config_parse_route_ttl_propagate);
  82 CONFIG_PARSER_PROTOTYPE(config_parse_route_mtu);