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/*
* Copyright (c) 2025, Canonical, Ltd.
* Copyright (c) 2025, STACKIT GmbH & Co. KG
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ROUTE_H
#define ROUTE_H 1
#include <stdbool.h>
#include <netinet/in.h>
#include <net/if.h>
#include "openvswitch/hmap.h"
#include "sset.h"
#include "smap.h"
struct hmap;
struct ovsdb_idl_index;
struct sbrec_chassis;
struct sbrec_port_binding;
struct route_ctx_in {
const struct sbrec_advertised_route_table *advertised_route_table;
struct ovsdb_idl_index *sbrec_port_binding_by_name;
const struct sbrec_chassis *chassis;
const char *dynamic_routing_port_mapping;
const struct hmap *local_datapaths;
struct shash *local_bindings;
};
struct route_ctx_out {
struct hmap *tracked_re_datapaths;
/* Contains the tracked_ports that in the last run were bound locally. */
struct sset *tracked_ports_local;
/* Contains the tracked_ports that in the last run were not bound
* locally. */
struct sset *tracked_ports_remote;
/* Contains struct advertise_datapath_entry */
struct hmap *announce_routes;
};
struct advertise_datapath_entry {
struct hmap_node node;
const struct sbrec_datapath_binding *db;
bool maintain_vrf;
char vrf_name[IFNAMSIZ + 1];
struct hmap routes;
/* The name of the port bindings locally bound for this datapath and
* running route exchange logic.
* The key is the port name and the value is the ifname if set. This may
* be empty if the all ports specified dynamic-routing-port-name, but no
* such referenced port is local. In this case we should only advertise
* routes but not learn them. */
struct smap bound_ports;
};
struct advertise_route_entry {
struct hmap_node node;
struct in6_addr addr;
unsigned int plen;
unsigned int priority;
};
const struct sbrec_port_binding *route_exchange_find_port(
struct ovsdb_idl_index *sbrec_port_binding_by_name,
const struct sbrec_chassis *chassis,
const struct sbrec_port_binding *pb,
const char **dynamic_routing_port_name);
uint32_t advertise_route_hash(const struct in6_addr *dst, unsigned int plen);
void route_run(struct route_ctx_in *, struct route_ctx_out *);
void route_cleanup(struct hmap *announce_routes);
#endif /* ROUTE_H */
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