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/* BGP packet management header.
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra 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, or (at your option) any
* later version.
*
* GNU Zebra 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_BGP_PACKET_H
#define _QUAGGA_BGP_PACKET_H
#include "hook.h"
DECLARE_HOOK(bgp_packet_dump,
(struct peer *peer, uint8_t type, bgp_size_t size,
struct stream *s),
(peer, type, size, s));
DECLARE_HOOK(bgp_packet_send,
(struct peer *peer, uint8_t type, bgp_size_t size,
struct stream *s),
(peer, type, size, s));
#define BGP_NLRI_LENGTH 1U
#define BGP_TOTAL_ATTR_LEN 2U
#define BGP_UNFEASIBLE_LEN 2U
/* When to refresh */
#define REFRESH_IMMEDIATE 1
#define REFRESH_DEFER 2
/* ORF Common part flag */
#define ORF_COMMON_PART_ADD 0x00
#define ORF_COMMON_PART_REMOVE 0x80
#define ORF_COMMON_PART_REMOVE_ALL 0xC0
#define ORF_COMMON_PART_PERMIT 0x00
#define ORF_COMMON_PART_DENY 0x20
#define BGP_UPDATE_EOR_PKT(_peer, _afi, _safi, _s) \
do { \
_s = bgp_update_packet_eor(_peer, _afi, _safi); \
if (_s) { \
bgp_packet_add(_peer, _s); \
} \
} while (0)
/* Packet send and receive function prototypes. */
extern void bgp_keepalive_send(struct peer *peer);
extern void bgp_open_send(struct peer *peer);
extern void bgp_notify_send(struct peer *peer, uint8_t code, uint8_t sub_code);
extern void bgp_notify_send_with_data(struct peer *peer, uint8_t code,
uint8_t sub_code, uint8_t *data,
size_t datalen);
void bgp_notify_io_invalid(struct peer *peer, uint8_t code, uint8_t sub_code,
uint8_t *data, size_t datalen);
extern void bgp_route_refresh_send(struct peer *peer, afi_t afi, safi_t safi,
uint8_t orf_type, uint8_t when_to_refresh,
int remove, uint8_t subtype);
extern void bgp_capability_send(struct peer *peer, afi_t afi, safi_t safi,
int capabilty_code, int action);
extern int bgp_capability_receive(struct peer *peer, bgp_size_t length);
extern int bgp_nlri_parse(struct peer *peer, struct attr *attr,
struct bgp_nlri *nlri, bool mp_withdraw);
extern void bgp_update_restarted_peers(struct peer *peer);
extern void bgp_update_implicit_eors(struct peer *peer);
extern void bgp_check_update_delay(struct bgp *peer);
extern int bgp_packet_set_marker(struct stream *s, uint8_t type);
extern void bgp_packet_set_size(struct stream *s);
extern void bgp_generate_updgrp_packets(struct thread *);
extern void bgp_process_packet(struct thread *);
extern void bgp_send_delayed_eor(struct bgp *bgp);
/* Task callback to handle socket error encountered in the io pthread */
void bgp_packet_process_error(struct thread *thread);
extern struct bgp_notify
bgp_notify_decapsulate_hard_reset(struct bgp_notify *notify);
extern bool bgp_has_graceful_restart_notification(struct peer *peer);
extern bool bgp_notify_send_hard_reset(struct peer *peer, uint8_t code,
uint8_t subcode);
extern bool bgp_notify_received_hard_reset(struct peer *peer, uint8_t code,
uint8_t subcode);
#endif /* _QUAGGA_BGP_PACKET_H */
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