zebra/zebra_ns.c

   1 /* zebra NS Routines
   2  * Copyright (C) 2016 Cumulus Networks, Inc.
   3  *                    Donald Sharp
   4  *
   5  * This file is part of Quagga.
   6  *
   7  * Quagga is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * Quagga is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21 #include "zebra.h"
  22
  23 #include "lib/ns.h"
  24 #include "lib/vrf.h"
  25 #include "lib/prefix.h"
  26 #include "lib/memory.h"
  27
  28 #include "rtadv.h"
  29 #include "zebra_ns.h"
  30 #include "zebra_vrf.h"
  31 #include "zebra_memory.h"
  32 #include "rt.h"
  33 #include "zebra_vxlan.h"
  34
  35 DEFINE_MTYPE(ZEBRA, ZEBRA_NS, "Zebra Name Space")
  36
  37 static struct zebra_ns *dzns;
  38
  39 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id)
  40 {
  41         return dzns;
  42 }
  43
  44 /* Do global enable actions - open sockets, read kernel config etc. */
  45 int zebra_ns_enable(ns_id_t ns_id, void **info)
  46 {
  47         struct zebra_ns *zns = (struct zebra_ns *)(*info);
  48
  49 #if defined(HAVE_RTADV)
  50         rtadv_init(zns);
  51 #endif
  52
  53         kernel_init(zns);
  54         interface_list(zns);
  55         route_read(zns);
  56
  57         return 0;
  58 }
  59
  60 int zebra_ns_disable(ns_id_t ns_id, void **info)
  61 {
  62         struct zebra_ns *zns = (struct zebra_ns *)(*info);
  63
  64         route_table_finish(zns->if_table);
  65         zebra_vxlan_ns_disable(zns);
  66 #if defined(HAVE_RTADV)
  67         rtadv_terminate(zns);
  68 #endif
  69
  70         kernel_terminate(zns);
  71
  72         return 0;
  73 }
  74
  75 int zebra_ns_init(void)
  76 {
  77         dzns = XCALLOC(MTYPE_ZEBRA_NS, sizeof(struct zebra_ns));
  78
  79         ns_init();
  80
  81         /* Do any needed per-NS data structure allocation. */
  82         dzns->if_table = route_table_init();
  83         zebra_vxlan_ns_init(dzns);
  84
  85         /* Register zebra VRF callbacks, create and activate default VRF. */
  86         zebra_vrf_init();
  87
  88         /* Default NS is activated */
  89         zebra_ns_enable(NS_DEFAULT, (void **)&dzns);
  90
  91         return 0;
  92 }