// SPDX-License-Identifier: GPL-2.0-or-later /* BGP packet management header. * Copyright (C) 1999 Kunihiro Ishiguro */ #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 *); extern void bgp_open_send(struct peer *); extern void bgp_notify_send(struct peer *, uint8_t, uint8_t); extern void bgp_notify_send_with_data(struct peer *, uint8_t, uint8_t, uint8_t *, size_t); 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 *, afi_t, safi_t, int, int); extern int bgp_capability_receive(struct peer *, bgp_size_t); extern int bgp_nlri_parse(struct peer *, struct attr *, struct bgp_nlri *, int mp_withdraw); extern void bgp_update_restarted_peers(struct peer *); extern void bgp_update_implicit_eors(struct peer *); extern void bgp_check_update_delay(struct bgp *); 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 event *event); extern void bgp_process_packet(struct event *event); 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 event *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 */