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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /isisd/isis_mt.h
parentInitial commit. (diff)
downloadfrr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.tar.xz
frr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'isisd/isis_mt.h')
-rw-r--r--isisd/isis_mt.h126
1 files changed, 126 insertions, 0 deletions
diff --git a/isisd/isis_mt.h b/isisd/isis_mt.h
new file mode 100644
index 0000000..13e5084
--- /dev/null
+++ b/isisd/isis_mt.h
@@ -0,0 +1,126 @@
+/*
+ * IS-IS Rout(e)ing protocol - Multi Topology Support
+ *
+ * Copyright (C) 2017 Christian Franke
+ *
+ * This file is part of FRRouting (FRR)
+ *
+ * FRR 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.
+ *
+ * FRR 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 ISIS_MT_H
+#define ISIS_MT_H
+
+#define ISIS_MT_MASK 0x0fff
+#define ISIS_MT_OL_MASK 0x8000
+#define ISIS_MT_AT_MASK 0x4000
+
+#define ISIS_MT_IPV4_UNICAST 0
+#define ISIS_MT_STANDARD ISIS_MT_IPV4_UNICAST
+#define ISIS_MT_IPV4_MGMT 1
+#define ISIS_MT_IPV6_UNICAST 2
+#define ISIS_MT_IPV4_MULTICAST 3
+#define ISIS_MT_IPV6_MULTICAST 4
+#define ISIS_MT_IPV6_MGMT 5
+#define ISIS_MT_IPV6_DSTSRC 3996 /* FIXME: IANA */
+/* Use first Reserved Flag to indicate that there is no MT Topology active */
+#define ISIS_MT_DISABLE 4096
+
+#define ISIS_MT_NAMES \
+ "<standard" \
+ "|ipv4-mgmt" \
+ "|ipv6-unicast" \
+ "|ipv4-multicast" \
+ "|ipv6-multicast" \
+ "|ipv6-mgmt" \
+ "|ipv6-dstsrc" \
+ ">"
+
+#define ISIS_MT_DESCRIPTIONS \
+ "IPv4 unicast topology\n" \
+ "IPv4 management topology\n" \
+ "IPv6 unicast topology\n" \
+ "IPv4 multicast topology\n" \
+ "IPv6 multicast topology\n" \
+ "IPv6 management topology\n" \
+ "IPv6 dst-src topology\n" \
+ ""
+
+#define ISIS_MT_INFO_FIELDS uint16_t mtid;
+
+struct list;
+
+struct isis_area_mt_setting {
+ ISIS_MT_INFO_FIELDS
+ bool enabled;
+ bool overload;
+};
+
+struct isis_circuit_mt_setting {
+ ISIS_MT_INFO_FIELDS
+ bool enabled;
+};
+
+const char *isis_mtid2str(uint16_t mtid);
+uint16_t isis_str2mtid(const char *name);
+
+struct isis_adjacency;
+struct isis_area;
+struct isis_circuit;
+struct tlvs;
+struct te_is_neigh;
+struct isis_tlvs;
+
+bool isis_area_ipv6_dstsrc_enabled(struct isis_area *area);
+
+uint16_t isis_area_ipv6_topology(struct isis_area *area);
+
+struct isis_area_mt_setting *area_lookup_mt_setting(struct isis_area *area,
+ uint16_t mtid);
+struct isis_area_mt_setting *area_new_mt_setting(struct isis_area *area,
+ uint16_t mtid);
+void area_add_mt_setting(struct isis_area *area,
+ struct isis_area_mt_setting *setting);
+
+void area_mt_init(struct isis_area *area);
+void area_mt_finish(struct isis_area *area);
+struct isis_area_mt_setting *area_get_mt_setting(struct isis_area *area,
+ uint16_t mtid);
+int area_write_mt_settings(struct isis_area *area, struct vty *vty);
+bool area_is_mt(struct isis_area *area);
+struct isis_area_mt_setting **area_mt_settings(struct isis_area *area,
+ unsigned int *mt_count);
+
+struct isis_circuit_mt_setting *
+circuit_lookup_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
+struct isis_circuit_mt_setting *
+circuit_new_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
+void circuit_add_mt_setting(struct isis_circuit *circuit,
+ struct isis_circuit_mt_setting *setting);
+void circuit_mt_init(struct isis_circuit *circuit);
+void circuit_mt_finish(struct isis_circuit *circuit);
+struct isis_circuit_mt_setting *
+circuit_get_mt_setting(struct isis_circuit *circuit, uint16_t mtid);
+struct isis_circuit_mt_setting **
+circuit_mt_settings(struct isis_circuit *circuit, unsigned int *mt_count);
+bool tlvs_to_adj_mt_set(struct isis_tlvs *tlvs, bool v4_usable, bool v6_usable,
+ struct isis_adjacency *adj);
+bool adj_has_mt(struct isis_adjacency *adj, uint16_t mtid);
+void adj_mt_finish(struct isis_adjacency *adj);
+void tlvs_add_mt_bcast(struct isis_tlvs *tlvs, struct isis_circuit *circuit,
+ int level, uint8_t *id, uint32_t metric);
+void tlvs_add_mt_p2p(struct isis_tlvs *tlvs, struct isis_circuit *circuit,
+ uint8_t *id, uint32_t metric);
+void mt_init(void);
+#endif