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