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 #include "zebra/rib.h"
  29 #include "zebra/zebra_vrf.h"
  30
  31 #ifdef HAVE_NETLINK
  32 /* Socket interface to kernel */
  33 struct nlsock {
  34         int sock;
  35         int seq;
  36         struct sockaddr_nl snl;
  37         char name[64];
  38 };
  39 #endif
  40
  41 struct zebra_ns_table {
  42         RB_ENTRY(zebra_ns_table) zebra_ns_table_entry;
  43
  44         uint32_t tableid;
  45         afi_t afi;
  46         ns_id_t ns_id;
  47
  48         struct route_table *table;
  49 };
  50 RB_HEAD(zebra_ns_table_head, zebra_ns_table);
  51 RB_PROTOTYPE(zebra_ns_table_head, zebra_ns_table, zebra_ns_table_entry,
  52              zebra_ns_table_entry_compare)
  53
  54 struct zebra_ns {
  55         /* net-ns name.  */
  56         char name[VRF_NAMSIZ];
  57
  58         /* Identifier. */
  59         ns_id_t ns_id;
  60
  61 #ifdef HAVE_NETLINK
  62         struct nlsock netlink;     /* kernel messages */
  63         struct nlsock netlink_cmd; /* command channel */
  64         struct thread *t_netlink;
  65 #endif
  66
  67         struct route_table *if_table;
  68
  69         /* L3-VNI hash table (for EVPN). Only in default instance */
  70         struct hash *l3vni_table;
  71
  72 #if defined(HAVE_RTADV)
  73         struct rtadv rtadv;
  74 #endif /* HAVE_RTADV */
  75
  76         struct zebra_ns_table_head ns_tables;
  77
  78         struct hash *rules_hash;
  79
  80         struct hash *ipset_hash;
  81
  82         struct hash *ipset_entry_hash;
  83
  84         struct hash *iptable_hash;
  85
  86         /* Back pointer */
  87         struct ns *ns;
  88 };
  89
  90 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id);
  91
  92 int zebra_ns_init(void);
  93 int zebra_ns_enable(ns_id_t ns_id, void **info);
  94 int zebra_ns_disabled(struct ns *ns);
  95 int zebra_ns_disable(ns_id_t ns_id, void **info);
  96
  97 extern struct route_table *zebra_ns_find_table(struct zebra_ns *zns,
  98                                                uint32_t tableid, afi_t afi);
  99 extern struct route_table *zebra_ns_get_table(struct zebra_ns *zns,
 100                                               struct zebra_vrf *zvrf,
 101                                               uint32_t tableid, afi_t afi);
 102 int zebra_ns_config_write(struct vty *vty, struct ns *ns);
 103
 104 unsigned long zebra_ns_score_proto(uint8_t proto, unsigned short instance);
 105 void zebra_ns_sweep_route(void);
 106 #endif