zebra/zebra_vxlan.h

   1 /*
   2  * Zebra VxLAN (EVPN) Data structures and definitions
   3  * These are public definitions referenced by other files.
   4  * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
   5  *
   6  * This file is part of FRR.
   7  *
   8  * FRR 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  * FRR 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
  19  * along with FRR; see the file COPYING.  If not, write to the Free
  20  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23
  24 #ifndef _ZEBRA_VXLAN_H
  25 #define _ZEBRA_VXLAN_H
  26
  27 #include <zebra.h>
  28
  29 #include "linklist.h"
  30 #include "if.h"
  31 #include "vlan.h"
  32 #include "vxlan.h"
  33
  34 #include "lib/json.h"
  35 #include "zebra/zebra_vrf.h"
  36 #include "zebra/zserv.h"
  37
  38 /* Is EVPN enabled? */
  39 #define EVPN_ENABLED(zvrf)  (zvrf)->advertise_all_vni
  40 static inline int is_evpn_enabled()
  41 {
  42         struct zebra_vrf *zvrf = NULL;
  43         zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT);
  44         return zvrf ? zvrf->advertise_all_vni : 0;
  45 }
  46
  47 static inline int
  48 is_vxlan_flooding_head_end()
  49 {
  50         struct zebra_vrf *zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT);
  51
  52         if (!zvrf)
  53                 return 0;
  54         return (zvrf->vxlan_flood_ctrl == VXLAN_FLOOD_HEAD_END_REPL);
  55 }
  56
  57 /* VxLAN interface change flags of interest. */
  58 #define ZEBRA_VXLIF_LOCAL_IP_CHANGE     0x1
  59 #define ZEBRA_VXLIF_MASTER_CHANGE       0x2
  60 #define ZEBRA_VXLIF_VLAN_CHANGE         0x4
  61
  62 #define VNI_STR_LEN 32
  63
  64 /* ZAPI message handlers */
  65 extern void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS);
  66 extern void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS);
  67 extern void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS);
  68 extern void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS);
  69 extern void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS);
  70 extern void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS);
  71 extern void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS);
  72 extern void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS);
  73
  74 extern int is_l3vni_for_prefix_routes_only(vni_t vni);
  75 extern ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id);
  76 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  77 extern int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf);
  78 extern int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf);
  79 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  80 extern void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
  81                                                 struct ipaddr *ip, bool uj);
  82 extern void zebra_vxlan_print_evpn(struct vty *vty, bool uj);
  83 extern void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
  84                                                   struct ethaddr *rmac,
  85                                                   bool use_json);
  86 extern void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
  87                                        vni_t vni, bool use_json);
  88 extern void zebra_vxlan_print_macs_all_vni(struct vty *vty,
  89                                            struct zebra_vrf *zvrf,
  90                                            bool use_json);
  91 extern void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
  92                                                 struct zebra_vrf *zvrf,
  93                                                 struct in_addr vtep_ip,
  94                                                 bool use_json);
  95 extern void zebra_vxlan_print_specific_mac_vni(struct vty *vty,
  96                                                struct zebra_vrf *zvrf,
  97                                                vni_t vni, struct ethaddr *mac,
  98                                                bool use_json);
  99 extern void zebra_vxlan_print_macs_vni_vtep(struct vty *vty,
 100                                             struct zebra_vrf *zvrf, vni_t vni,
 101                                             struct in_addr vtep_ip,
 102                                             bool use_json);
 103 extern void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
 104                                         vni_t vni, bool use_json);
 105 extern void zebra_vxlan_print_neigh_all_vni(struct vty *vty,
 106                                             struct zebra_vrf *zvrf,
 107                                             bool use_json);
 108 extern void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
 109                                                  struct zebra_vrf *zvrf,
 110                                                  vni_t vni, struct ipaddr *ip,
 111                                                  bool use_json);
 112 extern void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty,
 113                                              struct zebra_vrf *zvrf, vni_t vni,
 114                                              struct in_addr vtep_ip,
 115                                              bool use_json);
 116 extern void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf,
 117                                   vni_t vni, bool use_json);
 118 extern void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
 119                                    bool use_json);
 120 extern void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t vni,
 121                                           bool use_json);
 122 extern void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json);
 123 extern void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t vni,
 124                                        bool use_json);
 125 extern void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json);
 126 extern void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json);
 127 extern void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf,
 128                                       json_object *json_vrfs);
 129 extern int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p,
 130                                         int add);
 131 extern int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if);
 132 extern int zebra_vxlan_svi_down(struct interface *ifp,
 133                                 struct interface *link_if);
 134 extern int zebra_vxlan_handle_kernel_neigh_update(
 135         struct interface *ifp, struct interface *link_if, struct ipaddr *ip,
 136         struct ethaddr *macaddr, uint16_t state, bool is_ext,
 137         bool is_router);
 138 extern int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp,
 139                                        struct interface *link_if,
 140                                        struct ipaddr *ip);
 141 extern int zebra_vxlan_local_mac_add_update(struct interface *ifp,
 142                                             struct interface *br_if,
 143                                             struct ethaddr *mac, vlanid_t vid,
 144                                             bool sticky);
 145 extern int zebra_vxlan_local_mac_del(struct interface *ifp,
 146                                      struct interface *br_if,
 147                                      struct ethaddr *mac, vlanid_t vid);
 148 extern int zebra_vxlan_check_readd_remote_mac(struct interface *ifp,
 149                                               struct interface *br_if,
 150                                               struct ethaddr *mac,
 151                                               vlanid_t vid);
 152 extern int zebra_vxlan_check_del_local_mac(struct interface *ifp,
 153                                            struct interface *br_if,
 154                                            struct ethaddr *mac, vlanid_t vid);
 155 extern int zebra_vxlan_if_up(struct interface *ifp);
 156 extern int zebra_vxlan_if_down(struct interface *ifp);
 157 extern int zebra_vxlan_if_add(struct interface *ifp);
 158 extern int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags);
 159 extern int zebra_vxlan_if_del(struct interface *ifp);
 160 extern int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
 161                                            char *err, int err_str_sz,
 162                                            int filter, int add);
 163 extern void zebra_vxlan_init_tables(struct zebra_vrf *zvrf);
 164 extern void zebra_vxlan_close_tables(struct zebra_vrf *);
 165 extern void zebra_vxlan_cleanup_tables(struct zebra_vrf *);
 166 extern void zebra_vxlan_ns_init(struct zebra_ns *zns);
 167 extern void zebra_vxlan_ns_disable(struct zebra_ns *zns);
 168 extern void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id,
 169                                            struct ethaddr *rmac,
 170                                            struct ipaddr *ip,
 171                                            struct prefix *host_prefix);
 172 extern void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id,
 173                                            struct ipaddr *vtep_ip,
 174                                            struct prefix *host_prefix);
 175
 176 #endif /* _ZEBRA_VXLAN_H */