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-rw-r--r--zebra/zebra_vrf.h275
1 files changed, 275 insertions, 0 deletions
diff --git a/zebra/zebra_vrf.h b/zebra/zebra_vrf.h
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+/*
+ * Zebra Vrf Header
+ * Copyright (C) 2016 Cumulus Networks
+ * Donald Sharp
+ *
+ * This file is part of Quagga.
+ *
+ * Quagga 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.
+ *
+ * Quagga 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
+ */
+#if !defined(__ZEBRA_VRF_H__)
+#define __ZEBRA_VRF_H__
+
+#include "vxlan.h"
+
+#include <zebra/zebra_ns.h>
+#include <zebra/zebra_pw.h>
+#include <zebra/rtadv.h>
+#include <lib/vxlan.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* MPLS (Segment Routing) global block */
+struct mpls_srgb {
+ uint32_t start_label;
+ uint32_t end_label;
+};
+
+struct zebra_rmap {
+ char *name;
+ struct route_map *map;
+};
+
+PREDECL_RBTREE_UNIQ(otable);
+
+struct other_route_table {
+ struct otable_item next;
+
+ afi_t afi;
+ safi_t safi;
+ uint32_t table_id;
+
+ struct route_table *table;
+};
+
+/* Routing table instance. */
+struct zebra_vrf {
+ /* Back pointer */
+ struct vrf *vrf;
+
+ /* Description. */
+ char *desc;
+
+ /* FIB identifier. */
+ uint8_t fib_id;
+
+ /* Flags. */
+ uint16_t flags;
+#define ZEBRA_VRF_RETAIN (1 << 0)
+#define ZEBRA_PIM_SEND_VXLAN_SG (1 << 1)
+
+ uint32_t table_id;
+
+ /* Routing table. */
+ struct route_table *table[AFI_MAX][SAFI_MAX];
+
+ /* Recursive Nexthop table */
+ struct route_table *rnh_table[AFI_MAX];
+ struct route_table *rnh_table_multicast[AFI_MAX];
+
+ struct otable_head other_tables;
+
+ /* 2nd pointer type used primarily to quell a warning on
+ * ALL_LIST_ELEMENTS_RO
+ */
+ struct list _rid_all_sorted_list;
+ struct list _rid_lo_sorted_list;
+ struct list *rid_all_sorted_list;
+ struct list *rid_lo_sorted_list;
+ struct prefix rid_user_assigned;
+ struct list _rid6_all_sorted_list;
+ struct list _rid6_lo_sorted_list;
+ struct list *rid6_all_sorted_list;
+ struct list *rid6_lo_sorted_list;
+ struct prefix rid6_user_assigned;
+
+ /*
+ * Back pointer to the owning namespace.
+ */
+ struct zebra_ns *zns;
+
+ /* MPLS Label to handle L3VPN <-> vrf popping */
+ mpls_label_t label[AFI_MAX];
+ uint8_t label_proto[AFI_MAX];
+
+ /* MPLS static LSP config table */
+ struct hash *slsp_table;
+
+ /* MPLS label forwarding table */
+ struct hash *lsp_table;
+
+ /* MPLS FEC binding table */
+ struct route_table *fec_table[AFI_MAX];
+
+ /* MPLS Segment Routing Global block */
+ struct mpls_srgb mpls_srgb;
+
+ /* Pseudowires. */
+ struct zebra_pw_head pseudowires;
+ struct zebra_static_pw_head static_pseudowires;
+
+ struct zebra_rmap proto_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1];
+ struct zebra_rmap nht_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1];
+
+ /* MPLS processing flags */
+ uint16_t mpls_flags;
+#define MPLS_FLAG_SCHEDULE_LSPS (1 << 0)
+
+ /*
+ * EVPN hash table. Only in the EVPN instance.
+ */
+ struct hash *evpn_table;
+
+ /*
+ * Whether EVPN is enabled or not. Only in the EVPN instance.
+ */
+ int advertise_all_vni;
+
+ /*
+ * Whether we are advertising g/w macip in EVPN or not.
+ * Only in the EVPN instance.
+ */
+ int advertise_gw_macip;
+
+ int advertise_svi_macip;
+
+ /* l3-vni info */
+ vni_t l3vni;
+
+ /* pim mroutes installed for vxlan flooding */
+ struct hash *vxlan_sg_table;
+
+ bool dup_addr_detect;
+
+ int dad_time;
+ uint32_t dad_max_moves;
+ bool dad_freeze;
+ uint32_t dad_freeze_time;
+
+ /*
+ * Flooding mechanism for BUM packets for VxLAN-EVPN.
+ */
+ enum vxlan_flood_control vxlan_flood_ctrl;
+
+ /* Install stats */
+ uint64_t installs;
+ uint64_t removals;
+ uint64_t installs_queued;
+ uint64_t removals_queued;
+ uint64_t neigh_updates;
+ uint64_t lsp_installs_queued;
+ uint64_t lsp_removals_queued;
+ uint64_t lsp_installs;
+ uint64_t lsp_removals;
+
+ struct table_manager *tbl_mgr;
+
+ struct rtadv rtadv;
+
+ bool zebra_rnh_ip_default_route;
+ bool zebra_rnh_ipv6_default_route;
+};
+#define PROTO_RM_NAME(zvrf, afi, rtype) zvrf->proto_rm[afi][rtype].name
+#define NHT_RM_NAME(zvrf, afi, rtype) zvrf->nht_rm[afi][rtype].name
+#define PROTO_RM_MAP(zvrf, afi, rtype) zvrf->proto_rm[afi][rtype].map
+#define NHT_RM_MAP(zvrf, afi, rtype) zvrf->nht_rm[afi][rtype].map
+
+/*
+ * special macro to allow us to get the correct zebra_vrf
+ */
+#define ZEBRA_DECLVAR_CONTEXT_VRF(vrfptr, zvrfptr) \
+ VTY_DECLVAR_CONTEXT_VRF(vrfptr); \
+ struct zebra_vrf *zvrfptr = vrfptr->info; \
+ MACRO_REQUIRE_SEMICOLON() /* end */
+
+static inline vrf_id_t zvrf_id(struct zebra_vrf *zvrf)
+{
+ if (!zvrf || !zvrf->vrf)
+ return VRF_DEFAULT;
+ return zvrf->vrf->vrf_id;
+}
+
+static inline const char *zvrf_ns_name(struct zebra_vrf *zvrf)
+{
+ if (!zvrf->vrf || !zvrf->vrf->ns_ctxt)
+ return NULL;
+ return ns_get_name((struct ns *)zvrf->vrf->ns_ctxt);
+}
+
+static inline const char *zvrf_name(struct zebra_vrf *zvrf)
+{
+ if (!zvrf || !zvrf->vrf)
+ return "Unknown";
+ return zvrf->vrf->name;
+}
+
+static inline bool zvrf_is_active(struct zebra_vrf *zvrf)
+{
+ return zvrf->vrf->status & VRF_ACTIVE;
+}
+
+static inline int
+zvrf_other_table_compare_func(const struct other_route_table *a,
+ const struct other_route_table *b)
+{
+ if (a->afi != b->afi)
+ return a->afi - b->afi;
+
+ if (a->safi != b->safi)
+ return a->safi - b->safi;
+
+ if (a->table_id != b->table_id)
+ return a->table_id - b->table_id;
+
+ return 0;
+}
+
+DECLARE_RBTREE_UNIQ(otable, struct other_route_table, next,
+ zvrf_other_table_compare_func);
+
+extern struct route_table *
+zebra_vrf_lookup_table_with_table_id(afi_t afi, safi_t safi, vrf_id_t vrf_id,
+ uint32_t table_id);
+extern struct route_table *zebra_vrf_get_table_with_table_id(afi_t afi,
+ safi_t safi,
+ vrf_id_t vrf_id,
+ uint32_t table_id);
+
+extern void zebra_vrf_update_all(struct zserv *client);
+extern struct zebra_vrf *zebra_vrf_lookup_by_id(vrf_id_t vrf_id);
+extern struct zebra_vrf *zebra_vrf_lookup_by_name(const char *);
+extern struct zebra_vrf *zebra_vrf_alloc(struct vrf *vrf);
+extern struct route_table *zebra_vrf_table(afi_t, safi_t, vrf_id_t);
+
+/*
+ * API to associate a VRF with a NETNS.
+ * Called either from vty or through discovery.
+ */
+extern int zebra_vrf_netns_handler_create(struct vty *vty, struct vrf *vrf,
+ char *pathname, ns_id_t ext_ns_id,
+ ns_id_t ns_id, ns_id_t rel_def_ns_id);
+
+extern void zebra_vrf_init(void);
+
+extern void zebra_rtable_node_cleanup(struct route_table *table,
+ struct route_node *node);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ZEBRA_VRF_H */