zebra/zebra_ns.h

   1 /*
   2  * Zebra NS header
   3  * Copyright (C) 2016 Cumulus Networks, Inc.
   4  *                    Donald Sharp
   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 Quagga; 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_NS_H__)
  24 #define __ZEBRA_NS_H__
  25
  26 #include <lib/ns.h>
  27
  28 #ifdef HAVE_NETLINK
  29 /* Socket interface to kernel */
  30 struct nlsock
  31 {
  32   int sock;
  33   int seq;
  34   struct sockaddr_nl snl;
  35   char name[64];
  36 };
  37 #endif
  38
  39 struct zebra_ns
  40 {
  41   /* net-ns name.  */
  42   char name[VRF_NAMSIZ];
  43
  44   /* Identifier. */
  45   ns_id_t ns_id;
  46
  47 #ifdef HAVE_NETLINK
  48   struct nlsock netlink;     /* kernel messages */
  49   struct nlsock netlink_cmd; /* command channel */
  50   struct thread *t_netlink;
  51 #endif
  52
  53   struct route_table *if_table;
  54
  55 #if defined (HAVE_RTADV)
  56   struct rtadv rtadv;
  57 #endif /* HAVE_RTADV */
  58 };
  59
  60 #define NS_DEFAULT 0
  61 #define NS_UNKNOWN UINT16_MAX
  62
  63 struct zebra_ns *zebra_ns_lookup (ns_id_t ns_id);
  64
  65 int zebra_ns_init (void);
  66 int zebra_ns_enable (ns_id_t ns_id, void **info);
  67 int zebra_ns_disable (ns_id_t ns_id, void **info);
  68 #endif