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6735622c24
Add the "default-information-originate" option to the "area X nssa" command. That option allows the origination of Type-7 default routes on NSSA ABRs and ASBRs. Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
79 lines
3.2 KiB
C
79 lines
3.2 KiB
C
/*
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* OSPFv3 Not So Stubby Area implementation.
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*
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* Copyright (C) 2021 Kaushik Nath
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* Copyright (C) 2021 Soman K.S
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef OSPF6_NSSA_H
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#define OSPF6_NSSA_H
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#define OSPF6_OPTION_NP 0x08
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#define OSPF6_LS_INFINITY 0xffffff
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#define OSPF6_OPT_N (1 << 3) /* Handling Type-7 LSA Capability */
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#define OSPF6_DEBUG_NSSA 0x09
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/* Debug option */
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extern unsigned char config_debug_ospf6_nssa;
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#define OSPF6_DEBUG_NSSA_ON() (config_debug_ospf6_nssa = 1)
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#define OSPF6_DEBUG_NSSA_OFF() (config_debug_ospf6_nssa = 0)
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#define IS_OSPF6_DEBUG_NSSA config_debug_ospf6_nssa
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#define CHECK_LSA_TYPE_1_TO_5_OR_7(type) \
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((type == OSPF6_ROUTER_LSA_MIN_SIZE) \
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|| (type == OSPF6_NETWORK_LSA_MIN_SIZE) \
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|| (type == OSPF6_LINK_LSA_MIN_SIZE) \
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|| (type == OSPF6_INTRA_PREFIX_LSA_MIN_SIZE) \
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|| (type == OSPF6_AS_NSSA_LSA))
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#define OSPF6_LSA_APPROVED 0x08
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#define OSPF6_LSA_LOCAL_XLT 0x40
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#define OSPF6_ABR_TASK_DELAY 7
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int ospf6_area_nssa_no_summary_set(struct ospf6 *ospf6, struct in_addr area_id);
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int ospf6_area_nssa_unset(struct ospf6 *ospf6, struct ospf6_area *area);
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int ospf6_area_nssa_set(struct ospf6 *ospf6, struct ospf6_area *area);
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extern void ospf6_nssa_lsa_flush(struct ospf6 *ospf6, struct prefix_ipv6 *p);
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extern struct ospf6_lsa *ospf6_translated_nssa_refresh(struct ospf6_area *oa,
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struct ospf6_lsa *type7,
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struct ospf6_lsa *type5);
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extern struct ospf6_lsa *
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ospf6_translated_nssa_originate(struct ospf6_area *oa, struct ospf6_lsa *type7);
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extern void ospf6_asbr_nssa_redist_task(struct ospf6 *ospf6);
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extern void ospf6_schedule_abr_task(struct ospf6 *ospf6);
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extern void ospf6_area_nssa_update(struct ospf6_area *area);
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void ospf6_asbr_prefix_readvertise(struct ospf6 *ospf6);
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extern void ospf6_nssa_lsa_originate(struct ospf6_route *route,
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struct ospf6_area *area, bool p_bit);
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extern void install_element_ospf6_debug_nssa(void);
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extern void ospf6_abr_nssa_type_7_defaults(struct ospf6 *osof6);
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int ospf6_redistribute_check(struct ospf6 *ospf6, struct ospf6_route *route,
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int type);
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extern int ospf6_abr_translate_nssa(struct ospf6_area *area,
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struct ospf6_lsa *lsa);
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extern void ospf6_abr_check_translate_nssa(struct ospf6_area *area,
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struct ospf6_lsa *lsa);
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extern void ospf6_abr_nssa_check_status(struct ospf6 *ospf6);
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extern void config_write_ospf6_debug_nssa(struct vty *vty);
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#endif /* OSPF6_NSSA_H */
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