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Annotation of embedaddon/quagga/ospfd/ospf_nsm.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * OSPF version 2  Neighbor State Machine
        !             3:  *   From RFC2328 [OSPF Version 2]
        !             4:  *   Copyright (C) 1999 Toshiaki Takada
        !             5:  *
        !             6:  * This file is part of GNU Zebra.
        !             7:  *
        !             8:  * GNU Zebra is free software; you can redistribute it and/or modify it
        !             9:  * under the terms of the GNU General Public License as published by the
        !            10:  * Free Software Foundation; either version 2, or (at your option) any
        !            11:  * later version.
        !            12:  *
        !            13:  * GNU Zebra is distributed in the hope that it will be useful, but
        !            14:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            15:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            16:  * General Public License for more details.
        !            17:  *
        !            18:  * You should have received a copy of the GNU General Public License
        !            19:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
        !            20:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            21:  * 02111-1307, USA.
        !            22:  */
        !            23: 
        !            24: #ifndef _ZEBRA_OSPF_NSM_H
        !            25: #define _ZEBRA_OSPF_NSM_H
        !            26: 
        !            27: /* OSPF Neighbor State Machine State. */
        !            28: #define NSM_DependUpon          0
        !            29: #define NSM_Deleted            1
        !            30: #define NSM_Down               2
        !            31: #define NSM_Attempt            3
        !            32: #define NSM_Init               4
        !            33: #define NSM_TwoWay             5
        !            34: #define NSM_ExStart            6
        !            35: #define NSM_Exchange           7
        !            36: #define NSM_Loading            8
        !            37: #define NSM_Full               9
        !            38: #define OSPF_NSM_STATE_MAX     10
        !            39: 
        !            40: /* OSPF Neighbor State Machine Event. */
        !            41: #define NSM_NoEvent            0
        !            42: #define NSM_PacketReceived     1 /* HelloReceived in the protocol */
        !            43: #define NSM_Start              2
        !            44: #define NSM_TwoWayReceived     3
        !            45: #define NSM_NegotiationDone    4
        !            46: #define NSM_ExchangeDone       5
        !            47: #define NSM_BadLSReq           6
        !            48: #define NSM_LoadingDone                7
        !            49: #define NSM_AdjOK              8
        !            50: #define NSM_SeqNumberMismatch  9
        !            51: #define NSM_OneWayReceived     10
        !            52: #define NSM_KillNbr           11
        !            53: #define NSM_InactivityTimer    12
        !            54: #define NSM_LLDown            13
        !            55: #define OSPF_NSM_EVENT_MAX     14
        !            56: 
        !            57: /* Macro for OSPF NSM timer turn on. */
        !            58: #define OSPF_NSM_TIMER_ON(T,F,V)                                              \
        !            59:       do {                                                                    \
        !            60:         if (!(T))                                                             \
        !            61:           (T) = thread_add_timer (master, (F), nbr, (V));                     \
        !            62:       } while (0)
        !            63: 
        !            64: /* Macro for OSPF NSM timer turn off. */
        !            65: #define OSPF_NSM_TIMER_OFF(X)                                                 \
        !            66:       do {                                                                    \
        !            67:         if (X)                                                                \
        !            68:           {                                                                   \
        !            69:             thread_cancel (X);                                                \
        !            70:             (X) = NULL;                                                       \
        !            71:           }                                                                   \
        !            72:       } while (0)
        !            73: 
        !            74: /* Macro for OSPF NSM schedule event. */
        !            75: #define OSPF_NSM_EVENT_SCHEDULE(N,E)                                          \
        !            76:       thread_add_event (master, ospf_nsm_event, (N), (E))
        !            77: 
        !            78: /* Macro for OSPF NSM execute event. */
        !            79: #define OSPF_NSM_EVENT_EXECUTE(N,E)                                           \
        !            80:       thread_execute (master, ospf_nsm_event, (N), (E))
        !            81: 
        !            82: /* Prototypes. */
        !            83: extern int ospf_nsm_event (struct thread *);
        !            84: extern void nsm_change_state (struct ospf_neighbor *, int);
        !            85: extern void ospf_check_nbr_loading (struct ospf_neighbor *);
        !            86: extern int ospf_db_summary_isempty (struct ospf_neighbor *);
        !            87: extern int ospf_db_summary_count (struct ospf_neighbor *);
        !            88: extern void ospf_db_summary_clear (struct ospf_neighbor *);
        !            89: 
        !            90: #endif /* _ZEBRA_OSPF_NSM_H */
        !            91: