From 718e3744195351130f4ce7dbe0613f4b3e23df93 Mon Sep 17 00:00:00 2001 From: paul Date: Fri, 13 Dec 2002 20:15:29 +0000 Subject: Initial revision --- ospfd/ospf_opaque.h | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 ospfd/ospf_opaque.h (limited to 'ospfd/ospf_opaque.h') diff --git a/ospfd/ospf_opaque.h b/ospfd/ospf_opaque.h new file mode 100644 index 00000000..9aa08e5c --- /dev/null +++ b/ospfd/ospf_opaque.h @@ -0,0 +1,155 @@ +/* + * 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. + * + */ +#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 */ -- cgit v1.2.1