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Annotation of embedaddon/quagga/ospf6d/ospf6_message.h, revision 1.1.1.2

1.1       misho       1: /*
                      2:  * Copyright (C) 1999-2003 Yasuhiro Ohara
                      3:  *
                      4:  * This file is part of GNU Zebra.
                      5:  *
                      6:  * GNU Zebra is free software; you can redistribute it and/or modify it
                      7:  * under the terms of the GNU General Public License as published by the
                      8:  * Free Software Foundation; either version 2, or (at your option) any
                      9:  * later version.
                     10:  *
                     11:  * GNU Zebra is distributed in the hope that it will be useful, but
                     12:  * WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     14:  * General Public License for more details.
                     15:  *
                     16:  * You should have received a copy of the GNU General Public License
                     17:  * along with GNU Zebra; see the file COPYING.  If not, write to the 
                     18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
                     19:  * Boston, MA 02111-1307, USA.  
                     20:  */
                     21: 
                     22: #ifndef OSPF6_MESSAGE_H
                     23: #define OSPF6_MESSAGE_H
                     24: 
                     25: #define OSPF6_MESSAGE_BUFSIZ  4096
                     26: 
                     27: /* Debug option */
                     28: extern unsigned char conf_debug_ospf6_message[];
                     29: #define OSPF6_DEBUG_MESSAGE_SEND 0x01
                     30: #define OSPF6_DEBUG_MESSAGE_RECV 0x02
                     31: #define OSPF6_DEBUG_MESSAGE_ON(type, level) \
                     32:   (conf_debug_ospf6_message[type] |= (level))
                     33: #define OSPF6_DEBUG_MESSAGE_OFF(type, level) \
                     34:   (conf_debug_ospf6_message[type] &= ~(level))
                     35: #define IS_OSPF6_DEBUG_MESSAGE(t, e) \
                     36:   (conf_debug_ospf6_message[t] & OSPF6_DEBUG_MESSAGE_ ## e)
                     37: 
                     38: /* Type */
                     39: #define OSPF6_MESSAGE_TYPE_UNKNOWN  0x0
                     40: #define OSPF6_MESSAGE_TYPE_HELLO    0x1  /* Discover/maintain neighbors */
                     41: #define OSPF6_MESSAGE_TYPE_DBDESC   0x2  /* Summarize database contents */
                     42: #define OSPF6_MESSAGE_TYPE_LSREQ    0x3  /* Database download request */
                     43: #define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4  /* Database update */
                     44: #define OSPF6_MESSAGE_TYPE_LSACK    0x5  /* Flooding acknowledgment */
                     45: #define OSPF6_MESSAGE_TYPE_ALL      0x6  /* For debug option */
                     46: 
                     47: /* OSPFv3 packet header */
                     48: #define OSPF6_HEADER_SIZE                     16U
                     49: struct ospf6_header
                     50: {
                     51:   u_char    version;
                     52:   u_char    type;
                     53:   u_int16_t length;
                     54:   u_int32_t router_id;
                     55:   u_int32_t area_id;
                     56:   u_int16_t checksum;
                     57:   u_char    instance_id;
                     58:   u_char    reserved;
                     59: };
                     60: 
                     61: #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
                     62: 
                     63: /* Hello */
                     64: #define OSPF6_HELLO_MIN_SIZE                  20U
                     65: struct ospf6_hello
                     66: {
                     67:   u_int32_t interface_id;
                     68:   u_char    priority;
                     69:   u_char    options[3];
                     70:   u_int16_t hello_interval;
                     71:   u_int16_t dead_interval;
                     72:   u_int32_t drouter;
                     73:   u_int32_t bdrouter;
                     74:   /* Followed by Router-IDs */
                     75: };
                     76: 
                     77: /* Database Description */
                     78: #define OSPF6_DB_DESC_MIN_SIZE                12U
                     79: struct ospf6_dbdesc
                     80: {
                     81:   u_char    reserved1;
                     82:   u_char    options[3];
                     83:   u_int16_t ifmtu;
                     84:   u_char    reserved2;
                     85:   u_char    bits;
                     86:   u_int32_t seqnum;
                     87:   /* Followed by LSA Headers */
                     88: };
                     89: 
                     90: #define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
                     91: #define OSPF6_DBDESC_MBIT  (0x02) /* more bit */
                     92: #define OSPF6_DBDESC_IBIT  (0x04) /* initial bit */
                     93: 
                     94: /* Link State Request */
                     95: #define OSPF6_LS_REQ_MIN_SIZE                  0U
                     96: /* It is just a sequence of entries below */
                     97: #define OSPF6_LSREQ_LSDESC_FIX_SIZE           12U
                     98: struct ospf6_lsreq_entry
                     99: {
                    100:   u_int16_t reserved;     /* Must Be Zero */
                    101:   u_int16_t type;         /* LS type */
                    102:   u_int32_t id;           /* Link State ID */
                    103:   u_int32_t adv_router;   /* Advertising Router */
                    104: };
                    105: 
                    106: /* Link State Update */
                    107: #define OSPF6_LS_UPD_MIN_SIZE                  4U
                    108: struct ospf6_lsupdate
                    109: {
                    110:   u_int32_t lsa_number;
                    111:   /* Followed by LSAs */
                    112: };
                    113: 
                    114: /* Link State Acknowledgement */
                    115: #define OSPF6_LS_ACK_MIN_SIZE                  0U
                    116: /* It is just a sequence of LSA Headers */
                    117: 
                    118: /* Function definition */
                    119: extern void ospf6_hello_print (struct ospf6_header *);
                    120: extern void ospf6_dbdesc_print (struct ospf6_header *);
                    121: extern void ospf6_lsreq_print (struct ospf6_header *);
                    122: extern void ospf6_lsupdate_print (struct ospf6_header *);
                    123: extern void ospf6_lsack_print (struct ospf6_header *);
                    124: 
                    125: extern int ospf6_iobuf_size (unsigned int size);
                    126: extern void ospf6_message_terminate (void);
                    127: extern int ospf6_receive (struct thread *thread);
                    128: 
                    129: extern int ospf6_hello_send (struct thread *thread);
                    130: extern int ospf6_dbdesc_send (struct thread *thread);
                    131: extern int ospf6_dbdesc_send_newone (struct thread *thread);
                    132: extern int ospf6_lsreq_send (struct thread *thread);
                    133: extern int ospf6_lsupdate_send_interface (struct thread *thread);
                    134: extern int ospf6_lsupdate_send_neighbor (struct thread *thread);
                    135: extern int ospf6_lsack_send_interface (struct thread *thread);
                    136: extern int ospf6_lsack_send_neighbor (struct thread *thread);
                    137: 
                    138: extern int config_write_ospf6_debug_message (struct vty *);
                    139: extern void install_element_ospf6_debug_message (void);
                    140: 
                    141: #endif /* OSPF6_MESSAGE_H */
                    142: