projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 718e3744 | 1 | /* BGP-4 Finite State Machine |
| 2 | From RFC1771 [A Border Gateway Protocol 4 (BGP-4)] | |
| 3 | Copyright (C) 1998 Kunihiro Ishiguro | |
| 4 | ||
| 5 | This file is part of GNU Zebra. | |
| 6 | ||
| 7 | GNU Zebra is free software; you can redistribute it and/or modify it | |
| 8 | under the terms of the GNU General Public License as published by the | |
| 9 | Free Software Foundation; either version 2, or (at your option) any | |
| 10 | later version. | |
| 11 | ||
| 12 | GNU Zebra is distributed in the hope that it will be useful, but | |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
| 19 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 20 | 02111-1307, USA. */ | |
| 21 | ||
| 00d252cb | 22 | #ifndef _QUAGGA_BGP_FSM_H |
| 23 | #define _QUAGGA_BGP_FSM_H | |
| 24 | ||
| 718e3744 | 25 | /* Macro for BGP read, write and timer thread. */ |
| 200df115 | 26 | #define BGP_READ_ON(T,F,V) \ |
| 27 | do { \ | |
| 9fde6624 PJ |
28 | if (!(T) && (peer->status != Deleted)) \ |
| 29 | THREAD_READ_ON(master,T,F,peer,V); \ | |
| 200df115 | 30 | } while (0) |
| 718e3744 | 31 | |
| 200df115 | 32 | #define BGP_READ_OFF(T) \ |
| 33 | do { \ | |
| 34 | if (T) \ | |
| 9fde6624 | 35 | THREAD_READ_OFF(T); \ |
| 200df115 | 36 | } while (0) |
| 718e3744 | 37 | |
| 200df115 | 38 | #define BGP_WRITE_ON(T,F,V) \ |
| 39 | do { \ | |
| ca058a30 | 40 | if (!(T) && (peer->status != Deleted)) \ |
| 9fde6624 | 41 | THREAD_WRITE_ON(master,(T),(F),peer,(V)); \ |
| 200df115 | 42 | } while (0) |
| 43 | ||
| 44 | #define BGP_WRITE_OFF(T) \ | |
| 45 | do { \ | |
| 46 | if (T) \ | |
| 9fde6624 | 47 | THREAD_WRITE_OFF(T); \ |
| 200df115 | 48 | } while (0) |
| 718e3744 | 49 | |
| 200df115 | 50 | #define BGP_TIMER_ON(T,F,V) \ |
| 51 | do { \ | |
| ca058a30 | 52 | if (!(T) && (peer->status != Deleted)) \ |
| 9fde6624 | 53 | THREAD_TIMER_ON(master,(T),(F),peer,(V)); \ |
| 200df115 | 54 | } while (0) |
| 718e3744 | 55 | |
| 200df115 | 56 | #define BGP_TIMER_OFF(T) \ |
| 57 | do { \ | |
| 58 | if (T) \ | |
| 9fde6624 | 59 | THREAD_TIMER_OFF(T); \ |
| 200df115 | 60 | } while (0) |
| 61 | ||
| 62 | #define BGP_EVENT_ADD(P,E) \ | |
| 63 | do { \ | |
| ca058a30 | 64 | if ((P)->status != Deleted) \ |
| 9fde6624 | 65 | thread_add_event (master, bgp_event, (P), (E)); \ |
| 200df115 | 66 | } while (0) |
| 67 | ||
| 9fde6624 | 68 | #define BGP_EVENT_FLUSH(P) \ |
| 200df115 | 69 | do { \ |
| 200df115 | 70 | assert (peer); \ |
| 71 | thread_cancel_event (master, (P)); \ | |
| 72 | } while (0) | |
| 718e3744 | 73 | |
| 74 | /* Prototypes. */ | |
| 00d252cb | 75 | extern int bgp_event (struct thread *); |
| 76 | extern int bgp_stop (struct peer *peer); | |
| 77 | extern void bgp_timer_set (struct peer *); | |
| 78 | extern void bgp_fsm_change_status (struct peer *peer, int status); | |
| fd79ac91 | 79 | extern const char *peer_down_str[]; |
| f188f2c4 | 80 | extern void bgp_update_delay_end (struct bgp *); |
| 00d252cb | 81 | |
| 82 | #endif /* _QUAGGA_BGP_FSM_H */ |