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_table {
  38         RB_ENTRY(zebra_ns_table) zebra_ns_table_entry;
  39
  40         uint32_t tableid;
  41         afi_t afi;
  42
  43         struct route_table *table;
  44 };
  45 RB_HEAD(zebra_ns_table_head, zebra_ns_table);
  46 RB_PROTOTYPE(zebra_ns_table_head, zebra_ns_table, zebra_ns_table_entry,
  47              zebra_ns_table_entry_compare)
  48
  49 struct zebra_ns {
  50         /* net-ns name.  */
  51         char name[VRF_NAMSIZ];
  52
  53         /* Identifier. */
  54         ns_id_t ns_id;
  55
  56 #ifdef HAVE_NETLINK
  57         struct nlsock netlink;     /* kernel messages */
  58         struct nlsock netlink_cmd; /* command channel */
  59         struct thread *t_netlink;
  60 #endif
  61
  62         struct route_table *if_table;
  63
  64         /* L3-VNI hash table (for EVPN). Only in default instance */
  65         struct hash *l3vni_table;
  66
  67 #if defined(HAVE_RTADV)
  68         struct rtadv rtadv;
  69 #endif /* HAVE_RTADV */
  70
  71         struct zebra_ns_table_head ns_tables;
  72
  73         /* Back pointer */
  74         struct ns *ns;
  75 };
  76
  77 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id);
  78
  79 int zebra_ns_init(void);
  80 int zebra_ns_enable(ns_id_t ns_id, void **info);
  81 int zebra_ns_disabled(struct ns *ns);
  82 int zebra_ns_disable(ns_id_t ns_id, void **info);
  83
  84 extern struct route_table *zebra_ns_find_table(struct zebra_ns *zns,
  85                                                uint32_t tableid, afi_t afi);
  86 extern struct route_table *zebra_ns_get_table(struct zebra_ns *zns,
  87                                               struct zebra_vrf *zvrf,
  88                                               uint32_t tableid, afi_t afi);
  89 int zebra_ns_config_write(struct vty *vty, struct ns *ns);
  90 #endif