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mirror_frr/ospf6d/ospf6_intra.h
David Lamparter 858f9c0822 ospf6d: use in_addr_t for area/router IDs 
Signed-off-by: David Lamparter <equinox@diac24.net>
2020-07-14 11:16:01 +02:00

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/*
* Copyright (C) 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef OSPF6_INTRA_H
#define OSPF6_INTRA_H
/* Debug option */
extern unsigned char conf_debug_ospf6_brouter;
extern in_addr_t conf_debug_ospf6_brouter_specific_router_id;
extern in_addr_t conf_debug_ospf6_brouter_specific_area_id;
#define OSPF6_DEBUG_BROUTER_SUMMARY 0x01
#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER 0x02
#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA 0x04
#define OSPF6_DEBUG_BROUTER_ON() \
(conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SUMMARY)
#define OSPF6_DEBUG_BROUTER_OFF() \
(conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SUMMARY)
#define IS_OSPF6_DEBUG_BROUTER \
(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SUMMARY)
#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ON(router_id) \
do { \
conf_debug_ospf6_brouter_specific_router_id = (router_id); \
conf_debug_ospf6_brouter |= \
OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \
} while (0)
#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_OFF() \
do { \
conf_debug_ospf6_brouter_specific_router_id = 0; \
conf_debug_ospf6_brouter &= \
~OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \
} while (0)
#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER \
(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER)
#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(router_id) \
(IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER \
&& conf_debug_ospf6_brouter_specific_router_id == (router_id))
#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ON(area_id) \
do { \
conf_debug_ospf6_brouter_specific_area_id = (area_id); \
conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \
} while (0)
#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_OFF() \
do { \
conf_debug_ospf6_brouter_specific_area_id = 0; \
conf_debug_ospf6_brouter &= \
~OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \
} while (0)
#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA \
(conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_AREA)
#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ID(area_id) \
(IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA \
&& conf_debug_ospf6_brouter_specific_area_id == (area_id))
/* Router-LSA */
#define OSPF6_ROUTER_LSA_MIN_SIZE 4U
struct ospf6_router_lsa {
uint8_t bits;
uint8_t options[3];
/* followed by ospf6_router_lsdesc(s) */
};
/* Link State Description in Router-LSA */
#define OSPF6_ROUTER_LSDESC_FIX_SIZE 16U
struct ospf6_router_lsdesc {
uint8_t type;
uint8_t reserved;
uint16_t metric; /* output cost */
uint32_t interface_id;
uint32_t neighbor_interface_id;
in_addr_t neighbor_router_id;
};
#define OSPF6_ROUTER_LSDESC_POINTTOPOINT 1
#define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK 2
#define OSPF6_ROUTER_LSDESC_STUB_NETWORK 3
#define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK 4
enum stub_router_mode {
OSPF6_NOT_STUB_ROUTER,
OSPF6_IS_STUB_ROUTER,
OSPF6_IS_STUB_ROUTER_V6,
};
#define ROUTER_LSDESC_IS_TYPE(t, x) \
((((struct ospf6_router_lsdesc *)(x))->type \
== OSPF6_ROUTER_LSDESC_##t) \
? 1 \
: 0)
#define ROUTER_LSDESC_GET_METRIC(x) \
(ntohs(((struct ospf6_router_lsdesc *)(x))->metric))
#define ROUTER_LSDESC_GET_IFID(x) \
(ntohl(((struct ospf6_router_lsdesc *)(x))->interface_id))
#define ROUTER_LSDESC_GET_NBR_IFID(x) \
(ntohl(((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id))
#define ROUTER_LSDESC_GET_NBR_ROUTERID(x) \
(((struct ospf6_router_lsdesc *)(x))->neighbor_router_id)
/* Network-LSA */
#define OSPF6_NETWORK_LSA_MIN_SIZE 4U
struct ospf6_network_lsa {
uint8_t reserved;
uint8_t options[3];
/* followed by ospf6_netowrk_lsd(s) */
};
/* Link State Description in Router-LSA */
#define OSPF6_NETWORK_LSDESC_FIX_SIZE 4U
struct ospf6_network_lsdesc {
in_addr_t router_id;
};
#define NETWORK_LSDESC_GET_NBR_ROUTERID(x) \
(((struct ospf6_network_lsdesc *)(x))->router_id)
/* Link-LSA */
#define OSPF6_LINK_LSA_MIN_SIZE 24U /* w/o 1st IPv6 prefix */
struct ospf6_link_lsa {
uint8_t priority;
uint8_t options[3];
struct in6_addr linklocal_addr;
uint32_t prefix_num;
/* followed by ospf6 prefix(es) */
};
/* Intra-Area-Prefix-LSA */
#define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE 12U /* w/o 1st IPv6 prefix */
struct ospf6_intra_prefix_lsa {
uint16_t prefix_num;
uint16_t ref_type;
uint32_t ref_id;
in_addr_t ref_adv_router;
/* followed by ospf6 prefix(es) */
};
#define OSPF6_ROUTER_LSA_SCHEDULE(oa) \
do { \
if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
thread_add_event(master, ospf6_router_lsa_originate, \
oa, 0, &(oa)->thread_router_lsa); \
} while (0)
#define OSPF6_NETWORK_LSA_SCHEDULE(oi) \
do { \
if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
thread_add_event(master, ospf6_network_lsa_originate, \
oi, 0, &(oi)->thread_network_lsa); \
} while (0)
#define OSPF6_LINK_LSA_SCHEDULE(oi) \
do { \
if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
thread_add_event(master, ospf6_link_lsa_originate, oi, \
0, &(oi)->thread_link_lsa); \
} while (0)
#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \
do { \
if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
thread_add_event( \
master, ospf6_intra_prefix_lsa_originate_stub, \
oa, 0, &(oa)->thread_intra_prefix_lsa); \
} while (0)
#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \
do { \
if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
thread_add_event( \
master, \
ospf6_intra_prefix_lsa_originate_transit, oi, \
0, &(oi)->thread_intra_prefix_lsa); \
} while (0)
#define OSPF6_AS_EXTERN_LSA_SCHEDULE(oi) \
do { \
if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
thread_add_event(master, ospf6_orig_as_external_lsa, \
oi, 0, &(oi)->thread_as_extern_lsa); \
} while (0)
#define OSPF6_NETWORK_LSA_EXECUTE(oi) \
do { \
THREAD_OFF((oi)->thread_network_lsa); \
thread_execute(master, ospf6_network_lsa_originate, oi, 0); \
} while (0)
#define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \
do { \
THREAD_OFF((oi)->thread_intra_prefix_lsa); \
thread_execute(master, \
ospf6_intra_prefix_lsa_originate_transit, oi, \
0); \
} while (0)
#define OSPF6_AS_EXTERN_LSA_EXECUTE(oi) \
do { \
THREAD_OFF((oi)->thread_as_extern_lsa); \
thread_execute(master, ospf6_orig_as_external_lsa, oi, 0); \
} while (0)
/* Function Prototypes */
extern char *ospf6_router_lsdesc_lookup(uint8_t type, uint32_t interface_id,
uint32_t neighbor_interface_id,
uint32_t neighbor_router_id,
struct ospf6_lsa *lsa);
extern char *ospf6_network_lsdesc_lookup(uint32_t router_id,
struct ospf6_lsa *lsa);
extern int ospf6_router_is_stub_router(struct ospf6_lsa *lsa);
extern int ospf6_router_lsa_originate(struct thread *);
extern int ospf6_network_lsa_originate(struct thread *);
extern int ospf6_link_lsa_originate(struct thread *);
extern int ospf6_intra_prefix_lsa_originate_transit(struct thread *);
extern int ospf6_intra_prefix_lsa_originate_stub(struct thread *);
extern void ospf6_intra_prefix_lsa_add(struct ospf6_lsa *lsa);
extern void ospf6_intra_prefix_lsa_remove(struct ospf6_lsa *lsa);
extern int ospf6_orig_as_external_lsa(struct thread *thread);
extern void ospf6_intra_route_calculation(struct ospf6_area *oa);
extern void ospf6_intra_brouter_calculation(struct ospf6_area *oa);
extern void ospf6_intra_prefix_route_ecmp_path(struct ospf6_area *oa,
struct ospf6_route *old,
struct ospf6_route *route);
extern void ospf6_intra_init(void);
extern int config_write_ospf6_debug_brouter(struct vty *vty);
extern void install_element_ospf6_debug_brouter(void);
#endif /* OSPF6_LSA_H */
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