zebra/zebra_ns.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Zebra NS header
   4  * Copyright (C) 2016 Cumulus Networks, Inc.
   5  *                    Donald Sharp
   6  */
   7 #if !defined(__ZEBRA_NS_H__)
   8 #define __ZEBRA_NS_H__
   9
  10 #include <lib/ns.h>
  11 #include <lib/vrf.h>
  12
  13 #include "zebra/rib.h"
  14 #include "zebra/zebra_vrf.h"
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 #ifdef HAVE_NETLINK
  21 /* Socket interface to kernel */
  22 struct nlsock {
  23         int sock;
  24         int seq;
  25         struct sockaddr_nl snl;
  26         char name[64];
  27
  28         uint8_t *buf;
  29         size_t buflen;
  30 };
  31 #endif
  32
  33 struct zebra_ns {
  34         /* net-ns name.  */
  35         char name[VRF_NAMSIZ];
  36
  37         /* Identifier. */
  38         ns_id_t ns_id;
  39
  40 #ifdef HAVE_NETLINK
  41         struct nlsock netlink;        /* kernel messages */
  42         struct nlsock netlink_cmd;    /* command channel */
  43
  44         /* dplane system's channels: one for outgoing programming,
  45          * for the FIB e.g., and one for incoming events from the OS.
  46          */
  47         struct nlsock netlink_dplane_out;
  48         struct nlsock netlink_dplane_in;
  49         struct event *t_netlink;
  50 #endif
  51
  52         struct route_table *if_table;
  53
  54         /* Back pointer */
  55         struct ns *ns;
  56 };
  57
  58 struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id);
  59
  60 int zebra_ns_init(void);
  61 int zebra_ns_enable(ns_id_t ns_id, void **info);
  62 int zebra_ns_disabled(struct ns *ns);
  63 int zebra_ns_early_shutdown(struct ns *ns,
  64                             void *param_in __attribute__((unused)),
  65                             void **param_out __attribute__((unused)));
  66 int zebra_ns_final_shutdown(struct ns *ns,
  67                             void *param_in __attribute__((unused)),
  68                             void **param_out __attribute__((unused)));
  69 int zebra_ns_config_write(struct vty *vty, struct ns *ns);
  70
  71 #ifdef __cplusplus
  72 }
  73 #endif
  74
  75 #endif