| /* 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; |
| int ttl_propagate; |
| |
| 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; |
| 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; |
| |
| 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_tcp_window); |
| 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); |