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 __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #ifdef HAVE_NETLINK
  36 /* Socket interface to kernel */
  37 struct nlsock {
  38         int sock;
  39         int seq;
  40         struct sockaddr_nl snl;
  41         char name[64];
  42
  43         uint8_t *buf;
  44         size_t buflen;
  45 };
  46 #endif
  47
  48 struct zebra_ns {
  49         /* net-ns name.  */
  50         char name[VRF_NAMSIZ];
  51
  52         /* Identifier. */
  53         ns_id_t ns_id;
  54
  55 #ifdef HAVE_NETLINK
  56         struct nlsock netlink;        /* kernel messages */
  57         struct nlsock netlink_cmd;    /* command channel */
  58
  59         /* dplane system's channels: one for outgoing programming,
  60          * for the FIB e.g., and one for incoming events from the OS.
  61          */
  62         struct nlsock netlink_dplane_out;
  63         struct nlsock netlink_dplane_in;
  64         struct thread *t_netlink;
  65 #endif
  66
  67         struct route_table *if_table;
  68
  69         /* Back pointer */
  70         struct ns *ns;
  71 };
  72
  73 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id);
  74
  75 int zebra_ns_init(void);
  76 int zebra_ns_enable(ns_id_t ns_id, void **info);
  77 int zebra_ns_disabled(struct ns *ns);
  78 int zebra_ns_early_shutdown(struct ns *ns,
  79                             void *param_in __attribute__((unused)),
  80                             void **param_out __attribute__((unused)));
  81 int zebra_ns_final_shutdown(struct ns *ns,
  82                             void *param_in __attribute__((unused)),
  83                             void **param_out __attribute__((unused)));
  84 int zebra_ns_config_write(struct vty *vty, struct ns *ns);
  85
  86 #ifdef __cplusplus
  87 }
  88 #endif
  89
  90 #endif