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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* bgp_bfd.h: BGP BFD definitions and structures
*
* @copyright Copyright (C) 2015 Cumulus Networks, Inc.
*/
#ifndef _QUAGGA_BGP_BFD_H
#define _QUAGGA_BGP_BFD_H
#define PEER_IS_MULTIHOP(peer) \
((((peer)->sort == BGP_PEER_IBGP) && !(peer)->shared_network) \
|| is_ebgp_multihop_configured((peer)))
extern void bgp_bfd_init(struct event_loop *tm);
extern void bgp_bfd_peer_config_write(struct vty *vty, const struct peer *peer,
const char *addr);
/**
* Show BFD information helper.
*
* \param vty the VTY pointer.
* \param peer the BGP configuration pointer.
* \param use_json unused.
* \param json_neigh JSON object when called as JSON command.
*/
extern void bgp_bfd_show_info(struct vty *vty, const struct peer *peer,
json_object *json_neigh);
/**
* When called on a group it applies configuration to all peers in that group,
* otherwise just applies the configuration to a single peer.
*
* This function should be called when configuration changes either on group
* or peer.
*
* \param p the BGP peer pointer.
* \param pg the BGP group to copy configuration from (it is usually
* `p->group` exception when copying new group configuration
* see `peer_group2peer_config_copy` function case).
*/
extern void bgp_peer_config_apply(struct peer *p, struct peer_group *pg);
/**
* Allocates and configure BFD session for peer. If it is already configured,
* then it does nothing.
*
* Always call `bgp_peer_config_apply` afterwards if you need the changes
* immediately applied.
*/
extern void bgp_peer_configure_bfd(struct peer *p, bool manual);
/**
* Removes BFD configuration from either peer or peer group.
*/
extern void bgp_peer_remove_bfd_config(struct peer *p);
/**
* Special function to handle the case of changing source address. This
* happens when the peer/group is configured with `neigbor X update-source Y`.
*/
extern void bgp_peer_bfd_update_source(struct peer *p);
#endif /* _QUAGGA_BGP_BFD_H */
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