zebra/zebra_l2.h

   1 /*
   2  * Zebra Layer-2 interface Data structures and definitions
   3  * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
   4  *
   5  * This file is part of FRR.
   6  *
   7  * FRR is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * FRR is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with FRR; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22
  23 #ifndef _ZEBRA_L2_H
  24 #define _ZEBRA_L2_H
  25
  26 #include <zebra.h>
  27
  28 #include "if.h"
  29 #include "vlan.h"
  30 #include "vxlan.h"
  31
  32 /* zebra L2 interface information - bridge slave (linkage to bridge) */
  33 struct zebra_l2info_brslave {
  34         ifindex_t bridge_ifindex; /* Bridge Master */
  35         struct interface *br_if;  /* Pointer to master */
  36 };
  37
  38 /* zebra L2 interface information - bridge interface */
  39 struct zebra_l2info_bridge {
  40         u_char vlan_aware; /* VLAN-aware bridge? */
  41 };
  42
  43 /* zebra L2 interface information - VLAN interface */
  44 struct zebra_l2info_vlan {
  45         vlanid_t vid; /* VLAN id */
  46 };
  47
  48 /* zebra L2 interface information - VXLAN interface */
  49 struct zebra_l2info_vxlan {
  50         vni_t vni;              /* VNI */
  51         struct in_addr vtep_ip; /* Local tunnel IP */
  52         vlanid_t access_vlan;   /* Access VLAN - for VLAN-aware bridge. */
  53 };
  54
  55 union zebra_l2if_info {
  56         struct zebra_l2info_bridge br;
  57         struct zebra_l2info_vlan vl;
  58         struct zebra_l2info_vxlan vxl;
  59 };
  60
  61 /* NOTE: These macros are to be invoked only in the "correct" context.
  62  * IOW, the macro VNI_FROM_ZEBRA_IF() will assume the interface is
  63  * of type ZEBRA_IF_VXLAN.
  64  */
  65 #define VNI_FROM_ZEBRA_IF(zif) (zif)->l2info.vxl.vni
  66 #define VLAN_ID_FROM_ZEBRA_IF(zif) (zif)->l2info.vl.vid
  67
  68 #define IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(zif) ((zif)->l2info.br.vlan_aware == 1)
  69
  70 extern void zebra_l2_map_slave_to_bridge(struct zebra_l2info_brslave *br_slave);
  71 extern void
  72 zebra_l2_unmap_slave_from_bridge(struct zebra_l2info_brslave *br_slave);
  73 extern void zebra_l2_bridge_add_update(struct interface *ifp,
  74                                        struct zebra_l2info_bridge *bridge_info,
  75                                        int add);
  76 extern void zebra_l2_bridge_del(struct interface *ifp);
  77 extern void zebra_l2_vlanif_update(struct interface *ifp,
  78                                    struct zebra_l2info_vlan *vlan_info);
  79 extern void zebra_l2_vxlanif_add_update(struct interface *ifp,
  80                                         struct zebra_l2info_vxlan *vxlan_info,
  81                                         int add);
  82 extern void zebra_l2_vxlanif_update_access_vlan(struct interface *ifp,
  83                                                 vlanid_t access_vlan);
  84 extern void zebra_l2_vxlanif_del(struct interface *ifp);
  85 extern void zebra_l2if_update_bridge_slave(struct interface *ifp,
  86                                            ifindex_t bridge_ifindex);
  87
  88 #endif /* _ZEBRA_L2_H */