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d43d2df5f3
Receive IPv6 dst-src routes from zebra and advertise them in our LSPs if so configured. Signed-off-by: Christian Franke <chris@opensourcerouting.org>
126 lines
4.9 KiB
C
126 lines
4.9 KiB
C
/*
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* IS-IS Rout(e)ing protocol - Multi Topology Support
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*
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* Copyright (C) 2017 Christian Franke
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*
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* This file is part of FreeRangeRouting (FRR)
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*
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* FRR is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* FRR is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef ISIS_MT_H
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#define ISIS_MT_H
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#define ISIS_MT_MASK 0x0fff
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#define ISIS_MT_OL_MASK 0x8000
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#define ISIS_MT_AT_MASK 0x4000
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#define ISIS_MT_IPV4_UNICAST 0
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#define ISIS_MT_IPV4_MGMT 1
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#define ISIS_MT_IPV6_UNICAST 2
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#define ISIS_MT_IPV4_MULTICAST 3
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#define ISIS_MT_IPV6_MULTICAST 4
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#define ISIS_MT_IPV6_MGMT 5
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#define ISIS_MT_IPV6_DSTSRC 3996 /* FIXME: IANA */
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#define ISIS_MT_NAMES \
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"<ipv4-unicast" \
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"|ipv4-mgmt" \
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"|ipv6-unicast" \
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"|ipv4-multicast" \
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"|ipv6-multicast" \
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"|ipv6-mgmt" \
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"|ipv6-dstsrc" \
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">"
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#define ISIS_MT_DESCRIPTIONS \
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"IPv4 unicast topology\n" \
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"IPv4 management topology\n" \
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"IPv6 unicast topology\n" \
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"IPv4 multicast topology\n" \
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"IPv6 multicast topology\n" \
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"IPv6 management topology\n" \
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"IPv6 dst-src topology\n" \
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""
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#define ISIS_MT_INFO_FIELDS uint16_t mtid;
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struct list;
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struct isis_area_mt_setting {
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ISIS_MT_INFO_FIELDS
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bool enabled;
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bool overload;
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};
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struct isis_circuit_mt_setting {
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ISIS_MT_INFO_FIELDS
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bool enabled;
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};
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const char *isis_mtid2str(uint16_t mtid);
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uint16_t isis_str2mtid(const char *name);
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struct isis_adjacency;
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struct isis_area;
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struct isis_circuit;
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struct tlvs;
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struct te_is_neigh;
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struct isis_tlvs;
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bool isis_area_ipv6_dstsrc_enabled(struct isis_area *area);
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uint16_t isis_area_ipv6_topology(struct isis_area *area);
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struct isis_area_mt_setting *area_lookup_mt_setting(struct isis_area *area,
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uint16_t mtid);
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struct isis_area_mt_setting *area_new_mt_setting(struct isis_area *area,
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uint16_t mtid);
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void area_add_mt_setting(struct isis_area *area,
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struct isis_area_mt_setting *setting);
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void area_mt_init(struct isis_area *area);
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void area_mt_finish(struct isis_area *area);
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struct isis_area_mt_setting *area_get_mt_setting(struct isis_area *area,
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uint16_t mtid);
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int area_write_mt_settings(struct isis_area *area, struct vty *vty);
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bool area_is_mt(struct isis_area *area);
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struct isis_area_mt_setting **area_mt_settings(struct isis_area *area,
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unsigned int *mt_count);
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struct isis_circuit_mt_setting *
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circuit_lookup_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
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struct isis_circuit_mt_setting *
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circuit_new_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
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void circuit_add_mt_setting(struct isis_circuit *circuit,
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struct isis_circuit_mt_setting *setting);
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void circuit_mt_init(struct isis_circuit *circuit);
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void circuit_mt_finish(struct isis_circuit *circuit);
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struct isis_circuit_mt_setting *
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circuit_get_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
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int circuit_write_mt_settings(struct isis_circuit *circuit, struct vty *vty);
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struct isis_circuit_mt_setting **
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circuit_mt_settings(struct isis_circuit *circuit, unsigned int *mt_count);
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bool tlvs_to_adj_mt_set(struct isis_tlvs *tlvs, bool v4_usable, bool v6_usable,
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struct isis_adjacency *adj);
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bool adj_has_mt(struct isis_adjacency *adj, uint16_t mtid);
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void adj_mt_finish(struct isis_adjacency *adj);
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void tlvs_add_mt_bcast(struct isis_tlvs *tlvs, struct isis_circuit *circuit,
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int level, uint8_t *id, uint32_t metric,
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uint8_t *subtlvs, uint8_t subtlv_len);
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void tlvs_add_mt_p2p(struct isis_tlvs *tlvs, struct isis_circuit *circuit,
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uint8_t *id, uint32_t metric, uint8_t *subtlvs,
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uint8_t subtlv_len);
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#endif
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