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Ticket: CM-7861 Reviewed by: CCR-3651 Testing: See bug bgp is using both bm->master and master pointers interchangebly for thread manipulation. Since they are the same thing consolidate to one pointer. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/* BGP-4 Finite State Machine
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From RFC1771 [A Border Gateway Protocol 4 (BGP-4)]
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Copyright (C) 1998 Kunihiro Ishiguro
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This file is part of GNU Zebra.
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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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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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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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#ifndef _QUAGGA_BGP_FSM_H
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#define _QUAGGA_BGP_FSM_H
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/* Macro for BGP read, write and timer thread. */
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#define BGP_READ_ON(T,F,V) \
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do { \
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if (!(T) && (peer->status != Deleted)) \
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THREAD_READ_ON(bm->master,T,F,peer,V); \
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} while (0)
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#define BGP_READ_OFF(T) \
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do { \
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if (T) \
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THREAD_READ_OFF(T); \
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} while (0)
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#define BGP_WRITE_ON(T,F,V) \
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do { \
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if (!(T) && (peer->status != Deleted)) \
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THREAD_WRITE_ON(bm->master,(T),(F),peer,(V)); \
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} while (0)
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#define BGP_PEER_WRITE_ON(T,F,V, peer) \
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do { \
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if (!(T) && ((peer)->status != Deleted)) \
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THREAD_WRITE_ON(bm->master,(T),(F),(peer),(V)); \
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} while (0)
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#define BGP_WRITE_OFF(T) \
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do { \
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if (T) \
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THREAD_WRITE_OFF(T); \
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} while (0)
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#define BGP_TIMER_ON(T,F,V) \
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do { \
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if (!(T) && (peer->status != Deleted)) \
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THREAD_TIMER_ON(bm->master,(T),(F),peer,(V)); \
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} while (0)
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#define BGP_TIMER_OFF(T) \
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do { \
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if (T) \
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THREAD_TIMER_OFF(T); \
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} while (0)
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#define BGP_EVENT_ADD(P,E) \
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do { \
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if ((P)->status != Deleted) \
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thread_add_event (bm->master, bgp_event, (P), (E)); \
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} while (0)
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#define BGP_EVENT_FLUSH(P) \
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do { \
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assert (peer); \
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thread_cancel_event (bm->master, (P)); \
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} while (0)
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#define BGP_MSEC_JITTER 10
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/* Prototypes. */
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extern void bgp_fsm_nht_update(struct peer *, int valid);
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extern int bgp_event (struct thread *);
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extern int bgp_event_update (struct peer *, int event);
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extern int bgp_stop (struct peer *peer);
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extern void bgp_timer_set (struct peer *);
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extern int bgp_routeadv_timer (struct thread *);
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extern void bgp_fsm_change_status (struct peer *peer, int status);
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extern const char *peer_down_str[];
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extern void bgp_update_delay_end (struct bgp *);
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extern void bgp_maxmed_update (struct bgp *);
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extern int bgp_maxmed_onstartup_configured (struct bgp *);
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extern int bgp_maxmed_onstartup_active (struct bgp *);
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/**
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* Start the route advertisement timer (that honors MRAI) for all the
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* peers. Typically called at the end of initial convergence, coming
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* out of read-only mode.
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*/
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extern void bgp_start_routeadv (struct bgp *);
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/**
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* See if the route advertisement timer needs to be adjusted for a
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* peer. For example, if the last update was written to the peer a
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* long while back, we don't need to wait for the periodic advertisement
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* timer to expire to send the new set of prefixes. It should fire
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* instantly and updates should go out sooner.
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*/
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extern void bgp_adjust_routeadv (struct peer *);
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#endif /* _QUAGGA_BGP_FSM_H */
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