1 files changed, 64 insertions, 63 deletions

diff --git a/src/network/networkd-route.h b/src/network/networkd-route.h
index 3d85889..912c6e5 100644
--- a/src/network/networkd-route.h
+++ b/src/network/networkd-route.h
@@ -9,12 +9,16 @@
 #include "conf-parser.h"
 #include "in-addr-util.h"
 #include "networkd-link.h"
+#include "networkd-route-metric.h"
+#include "networkd-route-nexthop.h"
 #include "networkd-util.h"
 
 typedef struct Manager Manager;
 typedef struct Network Network;
 typedef struct Request Request;
 typedef struct Route Route;
+typedef struct Wireguard Wireguard;
+
 typedef int (*route_netlink_handler_t)(
                 sd_netlink *rtnl,
                 sd_netlink_message *m,
@@ -23,86 +27,93 @@ typedef int (*route_netlink_handler_t)(
                 Route *route);
 
 struct Route {
-        Link *link;
         Manager *manager;
         Network *network;
+        Wireguard *wireguard;
         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 n_ref;
 
+        /* rtmsg header */
+        int family;
         unsigned char dst_prefixlen;
-        unsigned char src_prefixlen;
-        unsigned char scope;
+        unsigned char src_prefixlen; /* IPv6 only */
+        unsigned char tos; /* IPv4 only */
         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;
+        unsigned char scope; /* IPv4 only */
+        unsigned char type; /* RTN_*, e.g. RTN_LOCAL, RTN_UNREACHABLE */
+        unsigned flags; /* e.g. RTNH_F_ONLINK */
+
+        /* attributes */
+        union in_addr_union dst; /* RTA_DST */
+        union in_addr_union src; /* RTA_SRC (IPv6 only) */
+        uint32_t priority; /* RTA_PRIORITY, note that ip(8) calls this 'metric' */
+        union in_addr_union prefsrc; /* RTA_PREFSRC */
+        uint32_t table; /* RTA_TABLE, also used in rtmsg header */
+        uint8_t pref; /* RTA_PREF (IPv6 only) */
+
+        /* nexthops */
+        RouteNextHop nexthop; /* RTA_OIF, and RTA_GATEWAY or RTA_VIA (IPv4 only) */
+        OrderedSet *nexthops; /* RTA_MULTIPATH */
+        uint32_t nexthop_id; /* RTA_NH_ID */
+
+        /* metrics (RTA_METRICS) */
+        RouteMetric metric;
+
+        /* This is an absolute point in time, and NOT a timespan/duration.
+         * Must be specified with clock_boottime_or_monotonic(). */
+        usec_t lifetime_usec; /* RTA_EXPIRES (IPv6 only) */
+        /* Used when kernel does not support RTA_EXPIRES attribute. */
+        sd_event_source *expire;
+        bool expiration_managed_by_kernel:1; /* RTA_CACHEINFO has nonzero rta_expires */
 
+        /* Only used by conf persers and route_section_verify(). */
         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;
+        int gateway_onlink;
 };
 
 extern const struct hash_ops route_hash_ops;
+extern const struct hash_ops route_hash_ops_unref;
+
+Route* route_ref(Route *route);
+Route* route_unref(Route *route);
+DEFINE_SECTION_CLEANUP_FUNCTIONS(Route, route_unref);
 
 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_new_static(Network *network, const char *filename, unsigned section_line, Route **ret);
+int route_dup(const Route *src, const RouteNextHop *nh, Route **ret);
+
+int route_configure_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, Route *route, const char *error_msg);
+int route_remove(Route *route, Manager *manager);
+int route_remove_and_cancel(Route *route, Manager *manager);
 
-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, const Route *route, Route **ret);
+int route_get_request(Manager *manager, const Route *route, Request **ret);
 
-int route_get(Manager *manager, Link *link, const Route *in, Route **ret);
+bool route_can_update(const Route *existing, const Route *requesting);
 
-int link_drop_managed_routes(Link *link);
-int link_drop_foreign_routes(Link *link);
-void link_foreignize_routes(Link *link);
+int link_drop_routes(Link *link, bool foreign);
+static inline int link_drop_static_routes(Link *link) {
+        return link_drop_routes(link, false);
+}
+static inline int link_drop_foreign_routes(Link *link) {
+        return link_drop_routes(link, true);
+}
+int link_foreignize_routes(Link *link);
 
-void route_cancel_request(Route *route, Link *link);
 int link_request_route(
                 Link *link,
-                Route *route,
-                bool consume_object,
+                const Route *route,
                 unsigned *message_counter,
-                route_netlink_handler_t netlink_handler,
-                Request **ret);
+                route_netlink_handler_t netlink_handler);
 int link_request_static_routes(Link *link, bool only_ipv4);
 
 int manager_rtnl_process_route(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
@@ -110,26 +121,16 @@ int manager_rtnl_process_route(sd_netlink *rtnl, sd_netlink_message *message, Ma
 int network_add_ipv4ll_route(Network *network);
 int network_add_default_route_on_device(Network *network);
 void network_drop_invalid_routes(Network *network);
+int route_section_verify(Route *route);
 
 DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(Route, route);
-void link_mark_routes(Link *link, NetworkConfigSource source);
+void manager_mark_routes(Manager *manager, 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);