ospf_opaque.h
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上传日期:2009-11-15
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- /*
- * This is an implementation of rfc2370.
- * Copyright (C) 2001 KDD R&D Laboratories, Inc.
- * http://www.kddlabs.co.jp/
- *
- * 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 _ZEBRA_OSPF_OPAQUE_H
- #define _ZEBRA_OSPF_OPAQUE_H
- #define IS_OPAQUE_LSA(type)
- ((type) == OSPF_OPAQUE_LINK_LSA ||
- (type) == OSPF_OPAQUE_AREA_LSA ||
- (type) == OSPF_OPAQUE_AS_LSA)
- /*
- * Usage of Opaque-LSA administrative flags in "struct ospf".
- *
- * 7 6 5 4 3 2 1 0
- * +---+---+---+---+---+---+---+---+
- * |///|///|///|///|B11|B10|B09| O |
- * +---+---+---+---+---+---+---+---+
- * |<--------->| A
- * | +--- Operation status (operational = 1)
- * +----------- Blocking status for each LSA type
- */
- #define IS_OPAQUE_LSA_ORIGINATION_BLOCKED(V)
- CHECK_FLAG((V), (OPAQUE_BLOCK_TYPE_09_LSA_BIT |
- OPAQUE_BLOCK_TYPE_10_LSA_BIT |
- OPAQUE_BLOCK_TYPE_11_LSA_BIT))
- /*
- * Opaque LSA's link state ID is redefined as follows.
- *
- * 24 16 8 0
- * +--------+--------+--------+--------+
- * |tttttttt|........|........|........|
- * +--------+--------+--------+--------+
- * |<-Type->|<------- Opaque ID ------>|
- */
- #define LSID_OPAQUE_TYPE_MASK 0xff000000 /* 8 bits */
- #define LSID_OPAQUE_ID_MASK 0x00ffffff /* 24 bits */
- #define GET_OPAQUE_TYPE(lsid)
- (((u_int32_t)(lsid) & LSID_OPAQUE_TYPE_MASK) >> 24)
- #define GET_OPAQUE_ID(lsid)
- ((u_int32_t)(lsid) & LSID_OPAQUE_ID_MASK)
- #define SET_OPAQUE_LSID(type, id)
- ((((type) << 24) & LSID_OPAQUE_TYPE_MASK)
- | ((id) & LSID_OPAQUE_ID_MASK))
- /*
- * Opaque LSA types will be assigned by IANA.
- * <http://www.iana.org/assignments/ospf-opaque-types>
- */
- #define OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA 1
- #define OPAQUE_TYPE_SYCAMORE_OPTICAL_TOPOLOGY_DESC 2
- #define OPAQUE_TYPE_GRACE_LSA 3
- /* Followings types are proposed in internet-draft documents. */
- #define OPAQUE_TYPE_8021_QOSPF 129
- #define OPAQUE_TYPE_SECONDARY_NEIGHBOR_DISCOVERY 224
- #define OPAQUE_TYPE_FLOODGATE 225
- /* Ugly hack to make use of an unallocated value for wildcard matching! */
- #define OPAQUE_TYPE_WILDCARD 0
- #define OPAQUE_TYPE_RANGE_UNASSIGNED(type)
- ( 4 <= (type) && (type) <= 127)
- #define OPAQUE_TYPE_RANGE_RESERVED(type)
- (127 < (type) && (type) <= 255)
- #define VALID_OPAQUE_INFO_LEN(lsahdr)
- ((ntohs((lsahdr)->length) >= sizeof (struct lsa_header)) &&
- ((ntohs((lsahdr)->length) % sizeof (u_int32_t)) == 0))
- /* Prototypes. */
- struct vty;
- struct stream;
- extern void ospf_opaque_init (void);
- extern void ospf_opaque_term (void);
- extern int ospf_opaque_type9_lsa_init (struct ospf_interface *oi);
- extern void ospf_opaque_type9_lsa_term (struct ospf_interface *oi);
- extern int ospf_opaque_type10_lsa_init (struct ospf_area *area);
- extern void ospf_opaque_type10_lsa_term (struct ospf_area *area);
- extern int ospf_opaque_type11_lsa_init (struct ospf *ospf);
- extern void ospf_opaque_type11_lsa_term (struct ospf *ospf);
- extern int
- ospf_register_opaque_functab (
- u_char lsa_type,
- u_char opaque_type,
- int (* new_if_hook)(struct interface *ifp),
- int (* del_if_hook)(struct interface *ifp),
- void (* ism_change_hook)(struct ospf_interface *oi, int old_status),
- void (* nsm_change_hook)(struct ospf_neighbor *nbr, int old_status),
- void (* config_write_router)(struct vty *vty),
- void (* config_write_if )(struct vty *vty, struct interface *ifp),
- void (* config_write_debug )(struct vty *vty),
- void (* show_opaque_info )(struct vty *vty, struct ospf_lsa *lsa),
- int (* lsa_originator)(void *arg),
- void (* lsa_refresher )(struct ospf_lsa *lsa),
- int (* new_lsa_hook)(struct ospf_lsa *lsa),
- int (* del_lsa_hook)(struct ospf_lsa *lsa)
- );
- extern void ospf_delete_opaque_functab (u_char lsa_type, u_char opaque_type);
- extern int ospf_opaque_new_if (struct interface *ifp);
- extern int ospf_opaque_del_if (struct interface *ifp);
- extern void ospf_opaque_ism_change (struct ospf_interface *oi, int old_status);
- extern void ospf_opaque_nsm_change (struct ospf_neighbor *nbr, int old_status);
- extern void ospf_opaque_config_write_router (struct vty *vty, struct ospf *);
- extern void ospf_opaque_config_write_if (struct vty *vty, struct interface *ifp);
- extern void ospf_opaque_config_write_debug (struct vty *vty);
- extern void show_opaque_info_detail (struct vty *vty, struct ospf_lsa *lsa);
- extern void ospf_opaque_lsa_dump (struct stream *s, u_int16_t length);
- extern void ospf_opaque_lsa_originate_schedule (struct ospf_interface *oi, int *init_delay);
- extern struct ospf_lsa *ospf_opaque_lsa_install (struct ospf_lsa *new, int rt_recalc);
- extern void ospf_opaque_lsa_refresh (struct ospf_lsa *lsa);
- extern void ospf_opaque_lsa_reoriginate_schedule (void *lsa_type_dependent, u_char lsa_type, u_char opaque_type);
- extern void ospf_opaque_lsa_refresh_schedule (struct ospf_lsa *lsa);
- extern void ospf_opaque_lsa_flush_schedule (struct ospf_lsa *lsa);
- extern void ospf_opaque_adjust_lsreq (struct ospf_neighbor *nbr, list lsas);
- extern void ospf_opaque_self_originated_lsa_received (struct ospf_neighbor *nbr, list lsas);
- extern void ospf_opaque_ls_ack_received (struct ospf_neighbor *nbr, list acks);
- extern void htonf (float *src, float *dst);
- extern void ntohf (float *src, float *dst);
- extern struct ospf *oi_to_top (struct ospf_interface *oi);
- #endif /* _ZEBRA_OSPF_OPAQUE_H */