bgpd/bgp_addpath.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Addpath TX ID selection, and related utilities
   4  * Copyright (C) 2018  Amazon.com, Inc. or its affiliates
   5  */
   6
   7 #ifndef _QUAGGA_BGPD_TX_ADDPATH_H
   8 #define _QUAGGA_BGPD_TX_ADDPATH_H
   9
  10 #include <stdint.h>
  11 #include <zebra.h>
  12
  13 #include "bgpd/bgp_addpath_types.h"
  14 #include "bgpd/bgp_route.h"
  15 #include "bgpd/bgp_table.h"
  16 #include "lib/json.h"
  17
  18 #define BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE 1
  19
  20 void bgp_addpath_init_bgp_data(struct bgp_addpath_bgp_data *d);
  21
  22 bool bgp_addpath_is_addpath_used(struct bgp_addpath_bgp_data *d, afi_t afi,
  23                                  safi_t safi);
  24
  25 void bgp_addpath_free_node_data(struct bgp_addpath_bgp_data *bd,
  26                               struct bgp_addpath_node_data *nd,
  27                               afi_t afi, safi_t safi);
  28
  29 void bgp_addpath_free_info_data(struct bgp_addpath_info_data *d,
  30                               struct bgp_addpath_node_data *nd);
  31
  32
  33 bool bgp_addpath_info_has_ids(struct bgp_addpath_info_data *d);
  34
  35 uint32_t bgp_addpath_id_for_peer(struct peer *peer, afi_t afi, safi_t safi,
  36                                 struct bgp_addpath_info_data *d);
  37
  38 const struct bgp_addpath_strategy_names *
  39 bgp_addpath_names(enum bgp_addpath_strat strat);
  40
  41 bool bgp_addpath_dmed_required(int strategy);
  42
  43 /*
  44  * Return true if this is a path we should advertise due to a configured
  45  * addpath-tx knob
  46  */
  47 bool bgp_addpath_tx_path(enum bgp_addpath_strat strat,
  48                          struct bgp_path_info *pi);
  49 /*
  50  * Change the type of addpath used for a peer.
  51  */
  52 void bgp_addpath_set_peer_type(struct peer *peer, afi_t afi, safi_t safi,
  53                               enum bgp_addpath_strat addpath_type);
  54
  55 void bgp_addpath_update_ids(struct bgp *bgp, struct bgp_dest *dest, afi_t afi,
  56                             safi_t safi);
  57
  58 void bgp_addpath_type_changed(struct bgp *bgp);
  59 #endif