src/network/networkd-route-nexthop.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5 #include <stdbool.h>
   6
   7 #include "sd-netlink.h"
   8
   9 #include "conf-parser.h"
  10 #include "in-addr-util.h"
  11 #include "macro.h"
  12 #include "siphash24.h"
  13
  14 typedef struct Link Link;
  15 typedef struct Manager Manager;
  16 typedef struct Route Route;
  17
  18 typedef struct RouteNextHop {
  19         int family; /* used in RTA_VIA (IPv4 only) */
  20         union in_addr_union gw; /* RTA_GATEWAY or RTA_VIA (IPv4 only) */
  21         uint32_t weight; /* rtnh_hops */
  22         int ifindex; /* RTA_OIF(u32) or rtnh_ifindex */
  23         char *ifname; /* only used by Route object owned by Network object */
  24         /* unsupported attributes: RTA_FLOW (IPv4 only), RTA_ENCAP_TYPE, RTA_ENCAP. */
  25 } RouteNextHop;
  26
  27 #define ROUTE_NEXTHOP_NULL ((const RouteNextHop) {})
  28
  29 void route_detach_from_nexthop(Route *route);
  30 void route_attach_to_nexthop(Route *route);
  31
  32 RouteNextHop* route_nexthop_free(RouteNextHop *nh);
  33 DEFINE_TRIVIAL_CLEANUP_FUNC(RouteNextHop*, route_nexthop_free);
  34
  35 void route_nexthops_done(Route *route);
  36
  37 void route_nexthops_hash_func(const Route *route, struct siphash *state);
  38 int route_nexthops_compare_func(const Route *a, const Route *b);
  39
  40 int route_nexthops_copy(const Route *src, const RouteNextHop *nh, Route *dest);
  41 bool route_nexthops_needs_adjust(const Route *route);
  42 int route_adjust_nexthops(Route *route, Link *link);
  43
  44 int route_nexthop_get_link(Manager *manager, const RouteNextHop *nh, Link **ret);
  45 int route_nexthops_is_ready_to_configure(const Route *route, Manager *manager);
  46
  47 int route_nexthops_to_string(const Route *route, char **ret);
  48
  49 int route_nexthops_set_netlink_message(const Route *route, sd_netlink_message *message);
  50 int route_nexthops_read_netlink_message(Route *route, sd_netlink_message *message);
  51
  52 int route_section_verify_nexthops(Route *route);
  53
  54 CONFIG_PARSER_PROTOTYPE(config_parse_gateway);
  55 CONFIG_PARSER_PROTOTYPE(config_parse_route_gateway_onlink);
  56 CONFIG_PARSER_PROTOTYPE(config_parse_route_nexthop);
  57 CONFIG_PARSER_PROTOTYPE(config_parse_multipath_route);