ospf6_message.h
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上传日期:2009-11-15
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- /*
- * Copyright (C) 1999-2003 Yasuhiro Ohara
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
- #ifndef OSPF6_MESSAGE_H
- #define OSPF6_MESSAGE_H
- #define OSPF6_MESSAGE_BUFSIZ 4096
- /* Debug option */
- extern unsigned char conf_debug_ospf6_message[];
- #define OSPF6_DEBUG_MESSAGE_SEND 0x01
- #define OSPF6_DEBUG_MESSAGE_RECV 0x02
- #define OSPF6_DEBUG_MESSAGE_ON(type, level)
- (conf_debug_ospf6_message[type] |= (level))
- #define OSPF6_DEBUG_MESSAGE_OFF(type, level)
- (conf_debug_ospf6_message[type] &= ~(level))
- #define IS_OSPF6_DEBUG_MESSAGE(t, e)
- (conf_debug_ospf6_message[t] & OSPF6_DEBUG_MESSAGE_ ## e)
- /* Type */
- #define OSPF6_MESSAGE_TYPE_UNKNOWN 0x0
- #define OSPF6_MESSAGE_TYPE_HELLO 0x1 /* Discover/maintain neighbors */
- #define OSPF6_MESSAGE_TYPE_DBDESC 0x2 /* Summarize database contents */
- #define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download request */
- #define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4 /* Database update */
- #define OSPF6_MESSAGE_TYPE_LSACK 0x5 /* Flooding acknowledgment */
- #define OSPF6_MESSAGE_TYPE_ALL 0x6 /* For debug option */
- #define OSPF6_MESSAGE_TYPE_CANONICAL(T)
- ((T) > OSPF6_MESSAGE_TYPE_LSACK ? OSPF6_MESSAGE_TYPE_UNKNOWN : (T))
- extern char *ospf6_message_type_str[];
- #define OSPF6_MESSAGE_TYPE_NAME(T)
- (ospf6_message_type_str[ OSPF6_MESSAGE_TYPE_CANONICAL (T) ])
- /* OSPFv3 packet header */
- struct ospf6_header
- {
- u_char version;
- u_char type;
- u_int16_t length;
- u_int32_t router_id;
- u_int32_t area_id;
- u_int16_t checksum;
- u_char instance_id;
- u_char reserved;
- };
- #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
- /* Hello */
- struct ospf6_hello
- {
- u_int32_t interface_id;
- u_char priority;
- u_char options[3];
- u_int16_t hello_interval;
- u_int16_t dead_interval;
- u_int32_t drouter;
- u_int32_t bdrouter;
- /* Followed by Router-IDs */
- };
- /* Database Description */
- struct ospf6_dbdesc
- {
- u_char reserved1;
- u_char options[3];
- u_int16_t ifmtu;
- u_char reserved2;
- u_char bits;
- u_int32_t seqnum;
- /* Followed by LSA Headers */
- };
- #define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
- #define OSPF6_DBDESC_MBIT (0x02) /* more bit */
- #define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
- /* Link State Request */
- /* It is just a sequence of entries below */
- struct ospf6_lsreq_entry
- {
- u_int16_t reserved; /* Must Be Zero */
- u_int16_t type; /* LS type */
- u_int32_t id; /* Link State ID */
- u_int32_t adv_router; /* Advertising Router */
- };
- /* Link State Update */
- struct ospf6_lsupdate
- {
- u_int32_t lsa_number;
- /* Followed by LSAs */
- };
- /* Link State Acknowledgement */
- /* It is just a sequence of LSA Headers */
- /* Function definition */
- void ospf6_hello_print (struct ospf6_header *);
- void ospf6_dbdesc_print (struct ospf6_header *);
- void ospf6_lsreq_print (struct ospf6_header *);
- void ospf6_lsupdate_print (struct ospf6_header *);
- void ospf6_lsack_print (struct ospf6_header *);
- int ospf6_iobuf_size (int size);
- int ospf6_receive (struct thread *thread);
- int ospf6_hello_send (struct thread *thread);
- int ospf6_dbdesc_send (struct thread *thread);
- int ospf6_dbdesc_send_newone (struct thread *thread);
- int ospf6_lsreq_send (struct thread *thread);
- int ospf6_lsupdate_send_interface (struct thread *thread);
- int ospf6_lsupdate_send_neighbor (struct thread *thread);
- int ospf6_lsack_send_interface (struct thread *thread);
- int ospf6_lsack_send_neighbor (struct thread *thread);
- int config_write_ospf6_debug_message (struct vty *);
- void install_element_ospf6_debug_message ();
- #endif /* OSPF6_MESSAGE_H */