Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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