Merge pull request #750 from donaldsharp/bgp_buffer

[mirror_frr.git] / zebra / zebra_vrf.h

/*
 * Zebra Vrf Header
 * Copyright (C) 2016 Cumulus Networks
 *                    Donald Sahrp
 *
 * 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_RIB_H__)
#define __ZEBRA_RIB_H__

#include <zebra/zebra_ns.h>

/* MPLS (Segment Routing) global block */
typedef struct mpls_srgb_t_
{
  u_int32_t start_label;
  u_int32_t end_label;
} mpls_srgb_t;

/* Routing table instance.  */
struct zebra_vrf
{
  /* Back pointer */
  struct vrf *vrf;

  /* Description.  */
  char *desc;

  /* FIB identifier.  */
  u_char fib_id;

  /* Flags. */
  u_int16_t flags;
#define ZEBRA_VRF_RIB_SCHEDULED   (1 << 0)
#define ZEBRA_VRF_RETAIN          (2 << 0)

  u_int32_t table_id;

  /* Routing table.  */
  struct route_table *table[AFI_MAX][SAFI_MAX];

  /* Static route configuration.  */
  struct route_table *stable[AFI_MAX][SAFI_MAX];

  /* Recursive Nexthop table */
  struct route_table *rnh_table[AFI_MAX];

  /* Import check table (used mostly by BGP */
  struct route_table *import_check_table[AFI_MAX];

  /* Routing tables off of main table for redistribute table */
  struct route_table *other_table[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX];

  /* 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;

  /*
   * Back pointer to the owning namespace.
   */
  struct zebra_ns *zns;

  /* 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 */
  mpls_srgb_t mpls_srgb;

  /* MPLS processing flags */
  u_int16_t mpls_flags;
#define MPLS_FLAG_SCHEDULE_LSPS    (1 << 0)

  /* Route Installs */
  uint64_t installs;
  uint64_t removals;
  uint64_t neigh_updates;
  uint64_t lsp_installs;
  uint64_t lsp_removals;
};

static inline vrf_id_t
zvrf_id (struct zebra_vrf *zvrf)
{
  return zvrf->vrf->vrf_id;
}

static inline const char *
zvrf_name (struct zebra_vrf *zvrf)
{
  return zvrf->vrf->name;
}

struct route_table *
zebra_vrf_table_with_table_id (afi_t afi, safi_t safi,
                               vrf_id_t vrf_id, u_int32_t table_id);

extern void zebra_vrf_static_route_interface_fixup (struct interface *ifp);
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 (void);
extern struct route_table *zebra_vrf_table (afi_t, safi_t, vrf_id_t);
extern struct route_table *zebra_vrf_static_table (afi_t, safi_t, struct zebra_vrf *zvrf);
extern struct route_table *zebra_vrf_other_route_table (afi_t afi, u_int32_t table_id,
							vrf_id_t vrf_id);
extern void zebra_vrf_init (void);
#endif