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 along
  19  * with this program; see the file COPYING; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22 #if !defined(__ZEBRA_RIB_H__)
  23 #define __ZEBRA_RIB_H__
  24
  25 #include <zebra/zebra_ns.h>
  26
  27 /* MPLS (Segment Routing) global block */
  28 typedef struct mpls_srgb_t_
  29 {
  30   u_int32_t start_label;
  31   u_int32_t end_label;
  32 } mpls_srgb_t;
  33
  34 /* Routing table instance.  */
  35 struct zebra_vrf
  36 {
  37   /* Back pointer */
  38   struct vrf *vrf;
  39
  40   /* Description.  */
  41   char *desc;
  42
  43   /* FIB identifier.  */
  44   u_char fib_id;
  45
  46   /* Flags. */
  47   u_int16_t flags;
  48 #define ZEBRA_VRF_RIB_SCHEDULED   (1 << 0)
  49 #define ZEBRA_VRF_RETAIN          (2 << 0)
  50
  51   u_int32_t table_id;
  52
  53   /* Routing table.  */
  54   struct route_table *table[AFI_MAX][SAFI_MAX];
  55
  56   /* Static route configuration.  */
  57   struct route_table *stable[AFI_MAX][SAFI_MAX];
  58
  59   /* Recursive Nexthop table */
  60   struct route_table *rnh_table[AFI_MAX];
  61
  62   /* Import check table (used mostly by BGP */
  63   struct route_table *import_check_table[AFI_MAX];
  64
  65   /* Routing tables off of main table for redistribute table */
  66   struct route_table *other_table[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX];
  67
  68   /* 2nd pointer type used primarily to quell a warning on
  69    * ALL_LIST_ELEMENTS_RO
  70    */
  71   struct list _rid_all_sorted_list;
  72   struct list _rid_lo_sorted_list;
  73   struct list *rid_all_sorted_list;
  74   struct list *rid_lo_sorted_list;
  75   struct prefix rid_user_assigned;
  76
  77   /*
  78    * Back pointer to the owning namespace.
  79    */
  80   struct zebra_ns *zns;
  81
  82   /* MPLS static LSP config table */
  83   struct hash *slsp_table;
  84
  85   /* MPLS label forwarding table */
  86   struct hash *lsp_table;
  87
  88   /* MPLS FEC binding table */
  89   struct route_table *fec_table[AFI_MAX];
  90
  91   /* MPLS Segment Routing Global block */
  92   mpls_srgb_t mpls_srgb;
  93
  94   /* MPLS processing flags */
  95   u_int16_t mpls_flags;
  96 #define MPLS_FLAG_SCHEDULE_LSPS    (1 << 0)
  97
  98   /* Route Installs */
  99   uint64_t installs;
 100   uint64_t removals;
 101   uint64_t neigh_updates;
 102   uint64_t lsp_installs;
 103   uint64_t lsp_removals;
 104 };
 105
 106 static inline vrf_id_t
 107 zvrf_id (struct zebra_vrf *zvrf)
 108 {
 109   return zvrf->vrf->vrf_id;
 110 }
 111
 112 static inline const char *
 113 zvrf_name (struct zebra_vrf *zvrf)
 114 {
 115   return zvrf->vrf->name;
 116 }
 117
 118 struct route_table *
 119 zebra_vrf_table_with_table_id (afi_t afi, safi_t safi,
 120                                vrf_id_t vrf_id, u_int32_t table_id);
 121
 122 extern void zebra_vrf_static_route_interface_fixup (struct interface *ifp);
 123 extern void zebra_vrf_update_all (struct zserv *client);
 124 extern struct zebra_vrf *zebra_vrf_lookup_by_id (vrf_id_t vrf_id);
 125 extern struct zebra_vrf *zebra_vrf_lookup_by_name (const char *);
 126 extern struct zebra_vrf *zebra_vrf_alloc (void);
 127 extern struct route_table *zebra_vrf_table (afi_t, safi_t, vrf_id_t);
 128 extern struct route_table *zebra_vrf_static_table (afi_t, safi_t, struct zebra_vrf *zvrf);
 129 extern struct route_table *zebra_vrf_other_route_table (afi_t afi, u_int32_t table_id,
 130                                                         vrf_id_t vrf_id);
 131 extern void zebra_vrf_init (void);
 132 #endif