Adding upstream version 9.1.upstream/9.1

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

1 files changed, 254 insertions, 0 deletions

diff --git a/ospf6d/ospf6_top.h b/ospf6d/ospf6_top.h
new file mode 100644
index 0000000..a38dad8
--- /dev/null
+++ b/ospf6d/ospf6_top.h
@@ -0,0 +1,254 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2003 Yasuhiro Ohara
+ */
+
+#ifndef OSPF6_TOP_H
+#define OSPF6_TOP_H
+
+#include "qobj.h"
+#include "routemap.h"
+struct ospf6_master {
+
+	/* OSPFv3 instance. */
+	struct list *ospf6;
+	/* OSPFv3 thread master. */
+	struct event_loop *master;
+};
+
+/* ospf6->config_flags */
+enum { OSPF6_LOG_ADJACENCY_CHANGES	= (1 << 0),
+       OSPF6_LOG_ADJACENCY_DETAIL	= (1 << 1),
+       OSPF6_SEND_EXTRA_DATA_TO_ZEBRA	= (1 << 2),
+};
+
+/* For processing route-map change update in the callback */
+#define OSPF6_IS_RMAP_CHANGED 0x01
+struct ospf6_redist {
+	uint8_t instance;
+
+	uint8_t flag;
+	/* Redistribute metric info. */
+	struct {
+		int type;  /* External metric type (E1 or E2).  */
+		int value; /* Value for static metric (24-bit).
+			    * -1 means metric value is not set.
+			    */
+	} dmetric;
+
+	/* For redistribute route map. */
+	struct {
+		char *name;
+		struct route_map *map;
+	} route_map;
+#define ROUTEMAP_NAME(R) (R->route_map.name)
+#define ROUTEMAP(R) (R->route_map.map)
+};
+
+struct ospf6_gr_info {
+	bool restart_support;
+	bool restart_in_progress;
+	bool prepare_in_progress;
+	bool finishing_restart;
+	uint32_t grace_period;
+	int reason;
+	char *exit_reason;
+	struct event *t_grace_period;
+};
+
+struct ospf6_gr_helper {
+	/* Graceful restart Helper supported configs*/
+	/* Supported grace interval*/
+	uint32_t supported_grace_time;
+
+	/* Helper support
+	 * Supported : True
+	 * Not Supported : False.
+	 */
+	bool is_helper_supported;
+
+	/* Support for strict LSA check.
+	 * if it is set,Helper aborted
+	 * upon a TOPO change.
+	 */
+	bool strict_lsa_check;
+
+	/* Support as HELPER only for
+	 * planned restarts.
+	 */
+	bool only_planned_restart;
+
+	/* This list contains the advertisement
+	 * routerids for which Helper support is
+	 * enabled.
+	 */
+	struct hash *enable_rtr_list;
+
+	/* HELPER for number of active
+	 * RESTARTERs.
+	 */
+	int active_restarter_cnt;
+
+	/* last HELPER exit reason */
+	uint32_t last_exit_reason;
+};
+
+/* OSPFv3 top level data structure */
+struct ospf6 {
+	/* The relevant vrf_id */
+	vrf_id_t vrf_id;
+
+	char *name; /* VRF name */
+
+	/* my router id */
+	in_addr_t router_id;
+
+	/* static router id */
+	in_addr_t router_id_static;
+
+	in_addr_t router_id_zebra;
+
+	/* start time */
+	struct timeval starttime;
+
+	/* list of areas */
+	struct list *area_list;
+	struct ospf6_area *backbone;
+
+	/* AS scope link state database */
+	struct ospf6_lsdb *lsdb;
+	struct ospf6_lsdb *lsdb_self;
+
+	struct ospf6_route_table *route_table;
+	struct ospf6_route_table *brouter_table;
+
+	struct ospf6_route_table *external_table;
+#define OSPF6_EXT_INIT_LS_ID 1
+	uint32_t external_id;
+
+	/* OSPF6 redistribute configuration */
+	struct list *redist[ZEBRA_ROUTE_MAX + 1];
+
+	/* NSSA default-information-originate */
+	struct {
+		/* # of NSSA areas requesting default information */
+		uint16_t refcnt;
+
+		/*
+		 * Whether a default route known through non-OSPF protocol is
+		 * present in the RIB.
+		 */
+		bool status;
+	} nssa_default_import_check;
+
+	uint8_t flag;
+#define OSPF6_FLAG_ABR          0x04
+#define OSPF6_FLAG_ASBR         0x08
+
+	int redistribute; /* Num of redistributed protocols. */
+
+	/* Configuration bitmask, refer to enum above */
+	uint8_t config_flags;
+	int default_originate; /* Default information originate. */
+#define DEFAULT_ORIGINATE_NONE 0
+#define DEFAULT_ORIGINATE_ZEBRA 1
+#define DEFAULT_ORIGINATE_ALWAYS 2
+	/* LSA timer parameters */
+	unsigned int lsa_minarrival; /* LSA minimum arrival in milliseconds. */
+
+	/* SPF parameters */
+	unsigned int spf_delay;	/* SPF delay time. */
+	unsigned int spf_holdtime;     /* SPF hold time. */
+	unsigned int spf_max_holdtime; /* SPF maximum-holdtime */
+	unsigned int
+		spf_hold_multiplier; /* Adaptive multiplier for hold time */
+	unsigned int spf_reason;     /* reason bits while scheduling SPF */
+
+	struct timeval ts_spf;		/* SPF calculation time stamp. */
+	struct timeval ts_spf_duration; /* Execution time of last SPF */
+	unsigned int last_spf_reason;   /* Last SPF reason */
+
+	int fd;
+	/* Threads */
+	struct event *t_spf_calc; /* SPF calculation timer. */
+	struct event *t_ase_calc; /* ASE calculation timer. */
+	struct event *maxage_remover;
+	struct event *t_distribute_update; /* Distirbute update timer. */
+	struct event *t_ospf6_receive;	   /* OSPF6 receive timer */
+	struct event *t_external_aggr;	   /* OSPF6 aggregation timer */
+#define OSPF6_WRITE_INTERFACE_COUNT_DEFAULT 20
+	struct event *t_write;
+
+	int write_oi_count; /* Num of packets sent per thread invocation */
+	uint32_t ref_bandwidth;
+
+	/* Distance parameters */
+	uint8_t distance_all;
+	uint8_t distance_intra;
+	uint8_t distance_inter;
+	uint8_t distance_external;
+
+	struct route_table *distance_table;
+
+	/* Used during ospf instance going down send LSDB
+	 * update to neighbors immediatly */
+	uint8_t inst_shutdown;
+
+	/* Max number of multiple paths
+	 * to support ECMP.
+	 */
+	uint16_t max_multipath;
+
+	/* OSPF Graceful Restart info (restarting mode) */
+	struct ospf6_gr_info gr_info;
+
+	/*ospf6 Graceful restart helper info */
+	struct ospf6_gr_helper ospf6_helper_cfg;
+
+	/* Count of NSSA areas */
+	uint8_t anyNSSA;
+	struct event *t_abr_task; /* ABR task timer. */
+	struct list *oi_write_q;
+
+	uint32_t redist_count;
+
+	/* Action for aggregation of external LSAs */
+	int aggr_action;
+
+	uint32_t seqnum_l; /* lower order Sequence Number */
+	uint32_t seqnum_h; /* higher order Sequence Number */
+#define OSPF6_EXTL_AGGR_DEFAULT_DELAY 5
+	/* For ASBR summary delay timer */
+	uint16_t aggr_delay_interval;
+	/* Table of configured Aggregate addresses */
+	struct route_table *rt_aggr_tbl;
+
+	QOBJ_FIELDS;
+};
+DECLARE_QOBJ_TYPE(ospf6);
+
+#define OSPF6_DISABLED    0x01
+#define OSPF6_STUB_ROUTER 0x02
+
+/* global pointer for OSPF top data structure */
+extern struct ospf6 *ospf6;
+extern struct ospf6_master *om6;
+
+/* prototypes */
+extern void ospf6_master_init(struct event_loop *master);
+extern void install_element_ospf6_clear_process(void);
+extern void ospf6_top_init(void);
+extern void ospf6_delete(struct ospf6 *o);
+extern bool ospf6_router_id_update(struct ospf6 *ospf6, bool init);
+void ospf6_restart_spf(struct ospf6 *ospf6);
+
+extern void ospf6_maxage_remove(struct ospf6 *o);
+extern struct ospf6 *ospf6_instance_create(const char *name);
+void ospf6_vrf_link(struct ospf6 *ospf6, struct vrf *vrf);
+void ospf6_vrf_unlink(struct ospf6 *ospf6, struct vrf *vrf);
+struct ospf6 *ospf6_lookup_by_vrf_id(vrf_id_t vrf_id);
+struct ospf6 *ospf6_lookup_by_vrf_name(const char *name);
+const char *ospf6_vrf_id_to_name(vrf_id_t vrf_id);
+void ospf6_vrf_init(void);
+bool ospf6_is_valid_summary_addr(struct vty *vty, struct prefix *p);
+#endif /* OSPF6_TOP_H */