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/*
* Addpath TX ID selection, and related utilities
* Copyright (C) 2018 Amazon.com, Inc. or its affiliates
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _QUAGGA_BGPD_TX_ADDPATH_H
#define _QUAGGA_BGPD_TX_ADDPATH_H
#include <stdint.h>
#include <zebra.h>
#include "bgpd/bgp_addpath_types.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_table.h"
#include "lib/json.h"
#define BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE 1
void bgp_addpath_init_bgp_data(struct bgp_addpath_bgp_data *d);
int bgp_addpath_is_addpath_used(struct bgp_addpath_bgp_data *d, afi_t afi,
safi_t safi);
void bgp_addpath_free_node_data(struct bgp_addpath_bgp_data *bd,
struct bgp_addpath_node_data *nd,
afi_t afi, safi_t safi);
void bgp_addpath_free_info_data(struct bgp_addpath_info_data *d,
struct bgp_addpath_node_data *nd);
int bgp_addpath_info_has_ids(struct bgp_addpath_info_data *d);
uint32_t bgp_addpath_id_for_peer(struct peer *peer, afi_t afi, safi_t safi,
struct bgp_addpath_info_data *d);
const struct bgp_addpath_strategy_names *
bgp_addpath_names(enum bgp_addpath_strat strat);
int bgp_addpath_dmed_required(int strategy);
/*
* Return true if this is a path we should advertise due to a configured
* addpath-tx knob
*/
int bgp_addpath_tx_path(enum bgp_addpath_strat strat,
struct bgp_path_info *pi);
/*
* Change the type of addpath used for a peer.
*/
void bgp_addpath_set_peer_type(struct peer *peer, afi_t afi, safi_t safi,
enum bgp_addpath_strat addpath_type);
void bgp_addpath_update_ids(struct bgp *bgp, struct bgp_node *bn, afi_t afi,
safi_t safi);
void bgp_addpath_type_changed(struct bgp *bgp);
#endif
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