diff options
Diffstat (limited to 'bgpd/bgp_packet.h')
| -rw-r--r-- | bgpd/bgp_packet.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/bgpd/bgp_packet.h b/bgpd/bgp_packet.h new file mode 100644 index 0000000..a72e855 --- /dev/null +++ b/bgpd/bgp_packet.h @@ -0,0 +1,101 @@ +/* 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 */ |