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118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/**
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* bfd.h: BFD definitions and structures
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*
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* @copyright Copyright (C) 2015 Cumulus Networks, Inc.
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _ZEBRA_BFD_H
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#define _ZEBRA_BFD_H
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#include "lib/json.h"
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#define BFD_DEF_MIN_RX 300
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#define BFD_MIN_MIN_RX 50
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#define BFD_MAX_MIN_RX 60000
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#define BFD_DEF_MIN_TX 300
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#define BFD_MIN_MIN_TX 50
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#define BFD_MAX_MIN_TX 60000
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#define BFD_DEF_DETECT_MULT 3
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#define BFD_MIN_DETECT_MULT 2
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#define BFD_MAX_DETECT_MULT 255
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#define BFD_GBL_FLAG_IN_SHUTDOWN (1 << 0) /* The daemon in shutdown */
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struct bfd_gbl
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{
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u_int16_t flags;
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};
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#define BFD_FLAG_PARAM_CFG (1 << 0) /* parameters have been configured */
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#define BFD_FLAG_BFD_REG (1 << 1) /* Peer registered with BFD */
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#define BFD_FLAG_BFD_TYPE_MULTIHOP (1 << 2) /* Peer registered with BFD as multihop */
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#define BFD_STATUS_UNKNOWN (1 << 0) /* BFD session status never received */
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#define BFD_STATUS_DOWN (1 << 1) /* BFD session status is down */
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#define BFD_STATUS_UP (1 << 2) /* BFD session status is up */
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enum bfd_sess_type {
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BFD_TYPE_NOT_CONFIGURED,
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BFD_TYPE_SINGLEHOP,
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BFD_TYPE_MULTIHOP
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};
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struct bfd_info
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{
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u_int16_t flags;
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u_int8_t detect_mult;
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u_int32_t desired_min_tx;
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u_int32_t required_min_rx;
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time_t last_update;
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u_int8_t status;
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enum bfd_sess_type type;
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};
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extern struct bfd_info *
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bfd_info_create(void);
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extern void
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bfd_info_free(struct bfd_info **bfd_info);
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extern int
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bfd_validate_param(struct vty *vty, const char *dm_str, const char *rx_str,
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const char *tx_str, u_int8_t *dm_val, u_int32_t *rx_val,
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u_int32_t *tx_val);
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extern void
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bfd_set_param (struct bfd_info **bfd_info, u_int32_t min_rx, u_int32_t min_tx,
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u_int8_t detect_mult, int defaults, int *command);
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extern void
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bfd_peer_sendmsg (struct zclient *zclient, struct bfd_info *bfd_info,
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int family, void *dst_ip, void *src_ip, char *if_name,
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int ttl, int multihop, int command, int set_flag,
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vrf_id_t vrf_id);
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extern const char *
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bfd_get_command_dbg_str(int command);
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extern struct interface *
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bfd_get_peer_info (struct stream *s, struct prefix *dp, struct prefix *sp,
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int *status, vrf_id_t vrf_id);
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const char *
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bfd_get_status_str(int status);
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extern void
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bfd_show_param(struct vty *vty, struct bfd_info *bfd_info, int bfd_tag,
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int extra_space, u_char use_json, json_object *json_obj);
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extern void
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bfd_show_info(struct vty *vty, struct bfd_info *bfd_info, int multihop,
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int extra_space, u_char use_json, json_object *json_obj);
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extern void
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bfd_client_sendmsg (struct zclient *zclient, int command);
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extern void
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bfd_gbl_init(void);
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extern void
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bfd_gbl_exit(void);
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#endif /* _ZEBRA_BFD_H */
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