Annotation of embedaddon/quagga/ospf6d/ospf6_message.h, revision 1.1
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: #define OSPF6_MESSAGE_TYPE_CANONICAL(T) \
! 48: ((T) > OSPF6_MESSAGE_TYPE_LSACK ? OSPF6_MESSAGE_TYPE_UNKNOWN : (T))
! 49:
! 50: extern const char *ospf6_message_type_str[];
! 51: #define OSPF6_MESSAGE_TYPE_NAME(T) \
! 52: (ospf6_message_type_str[ OSPF6_MESSAGE_TYPE_CANONICAL (T) ])
! 53:
! 54: /* OSPFv3 packet header */
! 55: #define OSPF6_HEADER_SIZE 16U
! 56: struct ospf6_header
! 57: {
! 58: u_char version;
! 59: u_char type;
! 60: u_int16_t length;
! 61: u_int32_t router_id;
! 62: u_int32_t area_id;
! 63: u_int16_t checksum;
! 64: u_char instance_id;
! 65: u_char reserved;
! 66: };
! 67:
! 68: #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
! 69:
! 70: /* Hello */
! 71: #define OSPF6_HELLO_MIN_SIZE 20U
! 72: struct ospf6_hello
! 73: {
! 74: u_int32_t interface_id;
! 75: u_char priority;
! 76: u_char options[3];
! 77: u_int16_t hello_interval;
! 78: u_int16_t dead_interval;
! 79: u_int32_t drouter;
! 80: u_int32_t bdrouter;
! 81: /* Followed by Router-IDs */
! 82: };
! 83:
! 84: /* Database Description */
! 85: #define OSPF6_DB_DESC_MIN_SIZE 12U
! 86: struct ospf6_dbdesc
! 87: {
! 88: u_char reserved1;
! 89: u_char options[3];
! 90: u_int16_t ifmtu;
! 91: u_char reserved2;
! 92: u_char bits;
! 93: u_int32_t seqnum;
! 94: /* Followed by LSA Headers */
! 95: };
! 96:
! 97: #define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
! 98: #define OSPF6_DBDESC_MBIT (0x02) /* more bit */
! 99: #define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
! 100:
! 101: /* Link State Request */
! 102: #define OSPF6_LS_REQ_MIN_SIZE 0U
! 103: /* It is just a sequence of entries below */
! 104: #define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U
! 105: struct ospf6_lsreq_entry
! 106: {
! 107: u_int16_t reserved; /* Must Be Zero */
! 108: u_int16_t type; /* LS type */
! 109: u_int32_t id; /* Link State ID */
! 110: u_int32_t adv_router; /* Advertising Router */
! 111: };
! 112:
! 113: /* Link State Update */
! 114: #define OSPF6_LS_UPD_MIN_SIZE 4U
! 115: struct ospf6_lsupdate
! 116: {
! 117: u_int32_t lsa_number;
! 118: /* Followed by LSAs */
! 119: };
! 120:
! 121: /* Link State Acknowledgement */
! 122: #define OSPF6_LS_ACK_MIN_SIZE 0U
! 123: /* It is just a sequence of LSA Headers */
! 124:
! 125: /* Function definition */
! 126: extern void ospf6_hello_print (struct ospf6_header *);
! 127: extern void ospf6_dbdesc_print (struct ospf6_header *);
! 128: extern void ospf6_lsreq_print (struct ospf6_header *);
! 129: extern void ospf6_lsupdate_print (struct ospf6_header *);
! 130: extern void ospf6_lsack_print (struct ospf6_header *);
! 131:
! 132: extern int ospf6_iobuf_size (unsigned int size);
! 133: extern void ospf6_message_terminate (void);
! 134: extern int ospf6_receive (struct thread *thread);
! 135:
! 136: extern int ospf6_hello_send (struct thread *thread);
! 137: extern int ospf6_dbdesc_send (struct thread *thread);
! 138: extern int ospf6_dbdesc_send_newone (struct thread *thread);
! 139: extern int ospf6_lsreq_send (struct thread *thread);
! 140: extern int ospf6_lsupdate_send_interface (struct thread *thread);
! 141: extern int ospf6_lsupdate_send_neighbor (struct thread *thread);
! 142: extern int ospf6_lsack_send_interface (struct thread *thread);
! 143: extern int ospf6_lsack_send_neighbor (struct thread *thread);
! 144:
! 145: extern int config_write_ospf6_debug_message (struct vty *);
! 146: extern void install_element_ospf6_debug_message (void);
! 147:
! 148: #endif /* OSPF6_MESSAGE_H */
! 149:
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