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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <inttypes.h>
#include <stdbool.h>
#include "sd-netlink.h"
#include "conf-parser.h"
#include "in-addr-util.h"
#include "networkd-link.h"
#include "networkd-util.h"
typedef struct Manager Manager;
typedef struct Network Network;
typedef struct Request Request;
typedef struct Route Route;
typedef int (*route_netlink_handler_t)(
sd_netlink *rtnl,
sd_netlink_message *m,
Request *req,
Link *link,
Route *route);
struct Route {
Link *link;
Manager *manager;
Network *network;
ConfigSection *section;
NetworkConfigSource source;
NetworkConfigState state;
union in_addr_union provider; /* DHCP server or router address */
int family;
int gw_family;
uint32_t gw_weight;
int quickack;
int fast_open_no_cookie;
unsigned char dst_prefixlen;
unsigned char src_prefixlen;
unsigned char scope;
unsigned char protocol; /* RTPROT_* */
unsigned char type; /* RTN_* */
unsigned char tos;
uint32_t priority; /* note that ip(8) calls this 'metric' */
uint32_t table;
uint32_t mtu;
uint32_t initcwnd;
uint32_t initrwnd;
uint32_t advmss;
uint32_t hop_limit;
char *tcp_congestion_control_algo;
unsigned char pref;
unsigned flags;
int gateway_onlink; /* Only used in conf parser and route_section_verify(). */
uint32_t nexthop_id;
usec_t tcp_rto_usec;
bool scope_set:1;
bool table_set:1;
bool priority_set:1;
bool protocol_set:1;
bool pref_set:1;
bool gateway_from_dhcp_or_ra:1;
union in_addr_union gw;
union in_addr_union dst;
union in_addr_union src;
union in_addr_union prefsrc;
OrderedSet *multipath_routes;
/* This is an absolute point in time, and NOT a timespan/duration.
* Must be specified with clock_boottime_or_monotonic(). */
usec_t lifetime_usec;
/* Used when kernel does not support RTA_EXPIRES attribute. */
sd_event_source *expire;
};
extern const struct hash_ops route_hash_ops;
int route_new(Route **ret);
Route *route_free(Route *route);
DEFINE_SECTION_CLEANUP_FUNCTIONS(Route, route_free);
int route_dup(const Route *src, Route **ret);
int route_configure_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg);
int route_remove(Route *route);
int route_remove_and_drop(Route *route);
int route_get(Manager *manager, Link *link, const Route *in, Route **ret);
int link_drop_managed_routes(Link *link);
int link_drop_foreign_routes(Link *link);
void link_foreignize_routes(Link *link);
void route_cancel_request(Route *route, Link *link);
int link_request_route(
Link *link,
Route *route,
bool consume_object,
unsigned *message_counter,
route_netlink_handler_t netlink_handler,
Request **ret);
int link_request_static_routes(Link *link, bool only_ipv4);
int manager_rtnl_process_route(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
int network_add_ipv4ll_route(Network *network);
int network_add_default_route_on_device(Network *network);
void network_drop_invalid_routes(Network *network);
DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(Route, route);
void link_mark_routes(Link *link, NetworkConfigSource source);
CONFIG_PARSER_PROTOTYPE(config_parse_gateway);
CONFIG_PARSER_PROTOTYPE(config_parse_preferred_src);
CONFIG_PARSER_PROTOTYPE(config_parse_destination);
CONFIG_PARSER_PROTOTYPE(config_parse_route_priority);
CONFIG_PARSER_PROTOTYPE(config_parse_route_scope);
CONFIG_PARSER_PROTOTYPE(config_parse_route_table);
CONFIG_PARSER_PROTOTYPE(config_parse_route_boolean);
CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_route_preference);
CONFIG_PARSER_PROTOTYPE(config_parse_route_protocol);
CONFIG_PARSER_PROTOTYPE(config_parse_route_type);
CONFIG_PARSER_PROTOTYPE(config_parse_route_tcp_window);
CONFIG_PARSER_PROTOTYPE(config_parse_route_hop_limit);
CONFIG_PARSER_PROTOTYPE(config_parse_tcp_window);
CONFIG_PARSER_PROTOTYPE(config_parse_route_tcp_rto);
CONFIG_PARSER_PROTOTYPE(config_parse_route_mtu);
CONFIG_PARSER_PROTOTYPE(config_parse_multipath_route);
CONFIG_PARSER_PROTOTYPE(config_parse_tcp_congestion);
CONFIG_PARSER_PROTOTYPE(config_parse_tcp_advmss);
CONFIG_PARSER_PROTOTYPE(config_parse_route_nexthop);
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