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
  18  * along with Quagga; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22 #include "zebra.h"
  23
  24 #include "lib/ns.h"
  25 #include "lib/vrf.h"
  26 #include "lib/prefix.h"
  27 #include "lib/memory.h"
  28
  29 #include "rtadv.h"
  30 #include "zebra_ns.h"
  31 #include "zebra_vrf.h"
  32 #include "zebra_memory.h"
  33
  34 DEFINE_MTYPE(ZEBRA, ZEBRA_NS,       "Zebra Name Space")
  35 DEFINE_MTYPE(ZEBRA, NETLINK_NAME,   "Netlink name")
  36
  37 struct zebra_ns *dzns;
  38
  39 struct zebra_ns *
  40 zebra_ns_lookup (ns_id_t ns_id)
  41 {
  42   return dzns;
  43 }
  44
  45 int
  46 zebra_ns_enable (ns_id_t ns_id, void **info)
  47 {
  48   struct zebra_ns *zns = (struct zebra_ns *) (*info);
  49 #ifdef HAVE_NETLINK
  50   char nl_name[64];
  51 #endif
  52
  53 #if defined (HAVE_RTADV)
  54   rtadv_init (zns);
  55 #endif
  56
  57 #ifdef HAVE_NETLINK
  58   /* Initialize netlink sockets */
  59   snprintf (nl_name, 64, "netlink-listen (NS %u)", ns_id);
  60   zns->netlink.sock = -1;
  61   zns->netlink.name = XSTRDUP (MTYPE_NETLINK_NAME, nl_name);
  62
  63   snprintf (nl_name, 64, "netlink-cmd (NS %u)", ns_id);
  64   zns->netlink_cmd.sock = -1;
  65   zns->netlink_cmd.name = XSTRDUP (MTYPE_NETLINK_NAME, nl_name);
  66 #endif
  67   zns->if_table = route_table_init ();
  68   kernel_init (zns);
  69   interface_list (zns);
  70   route_read (zns);
  71
  72   return 0;
  73 }
  74
  75 int
  76 zebra_ns_disable (ns_id_t ns_id, void **info)
  77 {
  78   struct zebra_ns *zns = (struct zebra_ns *) (*info);
  79
  80 #if defined (HAVE_RTADV)
  81   rtadv_terminate (zns);
  82 #endif
  83
  84   kernel_terminate (zns);
  85
  86   return 0;
  87 }
  88
  89 int
  90 zebra_ns_init (void)
  91 {
  92   dzns = XCALLOC (MTYPE_ZEBRA_NS, sizeof (struct zebra_ns));
  93
  94   ns_init ();
  95
  96   zebra_vrf_init ();
  97
  98   zebra_ns_enable (0, (void **)&dzns);
  99
 100   return 0;
 101 }