zebra/zebra_vrf.h

   1 /*
   2  * Zebra Vrf Header
   3  * Copyright (C) 2016 Cumulus Networks
   4  *                    Donald Sahrp
   5  *
   6  * This file is part of Quagga.
   7  *
   8  * Quagga is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * Quagga is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  20  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23 #if !defined(__ZEBRA_RIB_H__)
  24 #define __ZEBRA_RIB_H__
  25
  26 #include <zebra/zebra_ns.h>
  27
  28 /* MPLS (Segment Routing) global block */
  29 typedef struct mpls_srgb_t_
  30 {
  31   u_int32_t start_label;
  32   u_int32_t end_label;
  33 } mpls_srgb_t;
  34
  35 /* Routing table instance.  */
  36 struct zebra_vrf
  37 {
  38   /* Back pointer */
  39   struct vrf *vrf;
  40
  41   /* Description.  */
  42   char *desc;
  43
  44   /* FIB identifier.  */
  45   u_char fib_id;
  46
  47   /* Flags. */
  48   u_int16_t flags;
  49 #define ZEBRA_VRF_RIB_SCHEDULED   (1 << 0)
  50 #define ZEBRA_VRF_RETAIN          (2 << 0)
  51
  52   u_int32_t table_id;
  53
  54   /* Routing table.  */
  55   struct route_table *table[AFI_MAX][SAFI_MAX];
  56
  57   /* Static route configuration.  */
  58   struct route_table *stable[AFI_MAX][SAFI_MAX];
  59
  60   /* Recursive Nexthop table */
  61   struct route_table *rnh_table[AFI_MAX];
  62
  63   /* Import check table (used mostly by BGP */
  64   struct route_table *import_check_table[AFI_MAX];
  65
  66   /* Routing tables off of main table for redistribute table */
  67   struct route_table *other_table[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX];
  68
  69   /* 2nd pointer type used primarily to quell a warning on
  70    * ALL_LIST_ELEMENTS_RO
  71    */
  72   struct list _rid_all_sorted_list;
  73   struct list _rid_lo_sorted_list;
  74   struct list *rid_all_sorted_list;
  75   struct list *rid_lo_sorted_list;
  76   struct prefix rid_user_assigned;
  77
  78   /*
  79    * Back pointer to the owning namespace.
  80    */
  81   struct zebra_ns *zns;
  82
  83   /* MPLS static LSP config table */
  84   struct hash *slsp_table;
  85
  86   /* MPLS label forwarding table */
  87   struct hash *lsp_table;
  88
  89   /* MPLS FEC binding table */
  90   struct route_table *fec_table[AFI_MAX];
  91
  92   /* MPLS Segment Routing Global block */
  93   mpls_srgb_t mpls_srgb;
  94
  95   /* MPLS processing flags */
  96   u_int16_t mpls_flags;
  97 #define MPLS_FLAG_SCHEDULE_LSPS    (1 << 0)
  98 };
  99
 100 static inline vrf_id_t
 101 zvrf_id (struct zebra_vrf *zvrf)
 102 {
 103   return zvrf->vrf->vrf_id;
 104 }
 105
 106 static inline const char *
 107 zvrf_name (struct zebra_vrf *zvrf)
 108 {
 109   return zvrf->vrf->name;
 110 }
 111
 112 struct route_table *
 113 zebra_vrf_table_with_table_id (afi_t afi, safi_t safi,
 114                                vrf_id_t vrf_id, u_int32_t table_id);
 115
 116 extern void zebra_vrf_static_route_interface_fixup (struct interface *ifp);
 117 extern void zebra_vrf_update_all (struct zserv *client);
 118 extern struct zebra_vrf *zebra_vrf_lookup_by_id (vrf_id_t vrf_id);
 119 extern struct zebra_vrf *zebra_vrf_lookup_by_name (const char *);
 120 extern struct zebra_vrf *zebra_vrf_alloc (void);
 121 extern struct route_table *zebra_vrf_table (afi_t, safi_t, vrf_id_t);
 122 extern struct route_table *zebra_vrf_static_table (afi_t, safi_t, struct zebra_vrf *zvrf);
 123 extern struct route_table *zebra_vrf_other_route_table (afi_t afi, u_int32_t table_id,
 124                                                         vrf_id_t vrf_id);
 125 extern void zebra_vrf_init (void);
 126 #endif