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 #include <lib/vrf.h>
  27
  28 #ifdef HAVE_NETLINK
  29 /* Socket interface to kernel */
  30 struct nlsock {
  31         int sock;
  32         int seq;
  33         struct sockaddr_nl snl;
  34         char name[64];
  35 };
  36 #endif
  37
  38 struct zebra_ns_table {
  39         RB_ENTRY(zebra_ns_table) zebra_ns_table_entry;
  40
  41         uint32_t tableid;
  42         afi_t afi;
  43
  44         struct route_table *table;
  45 };
  46 RB_HEAD(zebra_ns_table_head, zebra_ns_table);
  47 RB_PROTOTYPE(zebra_ns_table_head, zebra_ns_table, zebra_ns_table_entry,
  48              zebra_ns_table_entry_compare)
  49
  50 struct zebra_ns {
  51         /* net-ns name.  */
  52         char name[VRF_NAMSIZ];
  53
  54         /* Identifier. */
  55         ns_id_t ns_id;
  56
  57 #ifdef HAVE_NETLINK
  58         struct nlsock netlink;     /* kernel messages */
  59         struct nlsock netlink_cmd; /* command channel */
  60         struct thread *t_netlink;
  61 #endif
  62
  63         struct route_table *if_table;
  64
  65         /* L3-VNI hash table (for EVPN). Only in default instance */
  66         struct hash *l3vni_table;
  67
  68 #if defined(HAVE_RTADV)
  69         struct rtadv rtadv;
  70 #endif /* HAVE_RTADV */
  71
  72         struct zebra_ns_table_head ns_tables;
  73
  74         struct hash *rules_hash;
  75
  76         /* Back pointer */
  77         struct ns *ns;
  78 };
  79
  80 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id);
  81
  82 int zebra_ns_init(void);
  83 int zebra_ns_enable(ns_id_t ns_id, void **info);
  84 int zebra_ns_disabled(struct ns *ns);
  85 int zebra_ns_disable(ns_id_t ns_id, void **info);
  86
  87 extern struct route_table *zebra_ns_find_table(struct zebra_ns *zns,
  88                                                uint32_t tableid, afi_t afi);
  89 extern struct route_table *zebra_ns_get_table(struct zebra_ns *zns,
  90                                               struct zebra_vrf *zvrf,
  91                                               uint32_t tableid, afi_t afi);
  92 int zebra_ns_config_write(struct vty *vty, struct ns *ns);
  93
  94 unsigned long zebra_ns_score_proto(uint8_t proto, unsigned short instance);
  95 void zebra_ns_sweep_route(void);
  96 #endif