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 #include <zebra/zebra_router.h>
  29
  30 #include "linklist.h"
  31 #include "if.h"
  32 #include "vlan.h"
  33 #include "vxlan.h"
  34
  35 #include "lib/json.h"
  36 #include "zebra/zebra_vrf.h"
  37 #include "zebra/zserv.h"
  38 #include "zebra/zebra_dplane.h"
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 /* Is EVPN enabled? */
  45 #define EVPN_ENABLED(zvrf)  (zvrf)->advertise_all_vni
  46 static inline int is_evpn_enabled(void)
  47 {
  48         return EVPN_ENABLED(zebra_vrf_get_evpn());
  49 }
  50
  51 static inline int
  52 is_vxlan_flooding_head_end(void)
  53 {
  54         struct zebra_vrf *zvrf = zebra_vrf_get_evpn();
  55         return (zvrf->vxlan_flood_ctrl == VXLAN_FLOOD_HEAD_END_REPL);
  56 }
  57
  58 /* VxLAN interface change flags of interest. */
  59 #define ZEBRA_VXLIF_LOCAL_IP_CHANGE     (1 << 0)
  60 #define ZEBRA_VXLIF_MASTER_CHANGE       (1 << 1)
  61 #define ZEBRA_VXLIF_VLAN_CHANGE         (1 << 2)
  62 #define ZEBRA_VXLIF_MCAST_GRP_CHANGE    (1 << 3)
  63 #define ZEBRA_VXLIF_MASTER_MAC_CHANGE (1 << 4)
  64
  65
  66 #define VNI_STR_LEN 32
  67
  68 /* ZAPI message handlers */
  69 extern void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS);
  70 extern void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS);
  71 extern void zebra_vxlan_remote_vtep_add_zapi(ZAPI_HANDLER_ARGS);
  72 extern void zebra_vxlan_remote_vtep_del_zapi(ZAPI_HANDLER_ARGS);
  73 void zebra_vxlan_remote_vtep_add(vrf_id_t vrf_id, vni_t vni,
  74                                  struct in_addr vtep_ip, int flood_control);
  75 extern void zebra_vxlan_remote_vtep_del(vrf_id_t vrf_id, vni_t vni,
  76                                         struct in_addr vtep_ip);
  77 extern void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS);
  78 extern void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS);
  79 extern void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS);
  80 extern void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS);
  81 extern void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS);
  82 extern void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS);
  83 extern void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS);
  84
  85 extern int is_l3vni_for_prefix_routes_only(vni_t vni);
  86 extern ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id);
  87 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  88 extern int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf);
  89 extern int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf);
  90 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  91 extern void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
  92                                                 struct ipaddr *ip, bool uj);
  93 extern void zebra_vxlan_print_evpn(struct vty *vty, bool uj);
  94 extern void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
  95                                                   struct ethaddr *rmac,
  96                                                   bool use_json);
  97 extern void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
  98                                        vni_t vni, bool use_json);
  99 extern void zebra_vxlan_print_macs_all_vni(struct vty *vty,
 100                                            struct zebra_vrf *zvrf,
 101                                            bool print_dup,
 102                                            bool use_json);
 103 extern void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty,
 104                                                   struct zebra_vrf *zvrf,
 105                                                   bool print_dup,
 106                                                   bool use_json);
 107 extern void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
 108                                                 struct zebra_vrf *zvrf,
 109                                                 struct in_addr vtep_ip,
 110                                                 bool use_json);
 111 extern void zebra_vxlan_print_specific_mac_vni(struct vty *vty,
 112                                                struct zebra_vrf *zvrf,
 113                                                vni_t vni, struct ethaddr *mac,
 114                                                bool use_json);
 115 extern void zebra_vxlan_print_macs_vni_vtep(struct vty *vty,
 116                                             struct zebra_vrf *zvrf, vni_t vni,
 117                                             struct in_addr vtep_ip,
 118                                             bool use_json);
 119 extern void zebra_vxlan_print_macs_vni_dad(struct vty *vty,
 120                                            struct zebra_vrf *zvrf, vni_t vni,
 121                                            bool use_json);
 122 extern void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
 123                                         vni_t vni, bool use_json);
 124 extern void zebra_vxlan_print_neigh_all_vni(struct vty *vty,
 125                                             struct zebra_vrf *zvrf,
 126                                             bool print_dup,
 127                                             bool use_json);
 128 extern void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty,
 129                                                    struct zebra_vrf *zvrf,
 130                                                    bool print_dup,
 131                                                    bool use_json);
 132 extern void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
 133                                                  struct zebra_vrf *zvrf,
 134                                                  vni_t vni, struct ipaddr *ip,
 135                                                  bool use_json);
 136 extern void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty,
 137                                              struct zebra_vrf *zvrf, vni_t vni,
 138                                              struct in_addr vtep_ip,
 139                                              bool use_json);
 140 extern void zebra_vxlan_print_neigh_vni_dad(struct vty *vty,
 141                                         struct zebra_vrf *zvrf, vni_t vni,
 142                                         bool use_json);
 143 extern void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf,
 144                                   vni_t vni, bool use_json,
 145                                   json_object *json_array);
 146 extern void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
 147                                    bool use_json);
 148 extern void zebra_vxlan_print_vnis_detail(struct vty *vty,
 149                                           struct zebra_vrf *zvrf,
 150                                           bool use_json);
 151 extern void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t vni,
 152                                           bool use_json);
 153 extern void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json);
 154 extern void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t vni,
 155                                        bool use_json);
 156 extern void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json);
 157 extern void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json);
 158 extern void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf,
 159                                       json_object *json_vrfs);
 160 extern int zebra_vxlan_add_del_gw_macip(struct interface *ifp,
 161                                         const struct prefix *p, int add);
 162 extern int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if);
 163 extern int zebra_vxlan_svi_down(struct interface *ifp,
 164                                 struct interface *link_if);
 165 extern int zebra_vxlan_handle_kernel_neigh_update(
 166         struct interface *ifp, struct interface *link_if, struct ipaddr *ip,
 167         struct ethaddr *macaddr, uint16_t state, bool is_ext,
 168         bool is_router, bool local_inactive, bool dp_static);
 169 extern int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp,
 170                                        struct interface *link_if,
 171                                        struct ipaddr *ip);
 172 extern int zebra_vxlan_local_mac_add_update(struct interface *ifp,
 173                                             struct interface *br_if,
 174                                             struct ethaddr *mac, vlanid_t vid,
 175                                             bool sticky, bool local_inactive,
 176                                                 bool dp_static);
 177 extern int zebra_vxlan_local_mac_del(struct interface *ifp,
 178                                      struct interface *br_if,
 179                                      struct ethaddr *mac, vlanid_t vid);
 180 extern int zebra_vxlan_check_readd_vtep(struct interface *ifp,
 181                                         struct in_addr vtep_ip);
 182 extern int zebra_vxlan_if_up(struct interface *ifp);
 183 extern int zebra_vxlan_if_down(struct interface *ifp);
 184 extern int zebra_vxlan_if_add(struct interface *ifp);
 185 extern int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags);
 186 extern int zebra_vxlan_if_del(struct interface *ifp);
 187 extern int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
 188                                            char *err, int err_str_sz,
 189                                            int filter, int add);
 190 extern void zebra_vxlan_init_tables(struct zebra_vrf *zvrf);
 191 extern void zebra_vxlan_close_tables(struct zebra_vrf *);
 192 extern void zebra_vxlan_cleanup_tables(struct zebra_vrf *);
 193 extern void zebra_vxlan_init(void);
 194 extern void zebra_vxlan_disable(void);
 195 extern void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id,
 196                                            const struct ethaddr *rmac,
 197                                            const struct ipaddr *ip,
 198                                            const struct prefix *host_prefix);
 199 extern void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id,
 200                                            struct ipaddr *vtep_ip,
 201                                            struct prefix *host_prefix);
 202 extern int zebra_vxlan_clear_dup_detect_vni_mac(struct zebra_vrf *zvrf,
 203                                                 vni_t vni,
 204                                                 struct ethaddr *macaddr,
 205                                                 char *errmsg,
 206                                                 size_t errmsg_len);
 207 extern int zebra_vxlan_clear_dup_detect_vni_ip(struct zebra_vrf *zvrf,
 208                                                vni_t vni, struct ipaddr *ip,
 209                                                char *errmsg, size_t errmsg_len);
 210 extern int zebra_vxlan_clear_dup_detect_vni_all(struct zebra_vrf *zvrf);
 211 extern int zebra_vxlan_clear_dup_detect_vni(struct zebra_vrf *zvrf, vni_t vni);
 212 extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx);
 213
 214 extern void zebra_evpn_init(void);
 215 extern void zebra_vxlan_macvlan_up(struct interface *ifp);
 216 extern void zebra_vxlan_macvlan_down(struct interface *ifp);
 217 extern int vni_list_cmp(void *p1, void *p2);
 218 extern int zebra_vxlan_dp_network_mac_add(struct interface *ifp,
 219                                           struct interface *br_if,
 220                                           struct ethaddr *macaddr, vlanid_t vid,
 221                                           uint32_t nhg_id, bool sticky,
 222                                           bool dp_static);
 223 extern int zebra_vxlan_dp_network_mac_del(struct interface *ifp,
 224                                           struct interface *br_if,
 225                                           struct ethaddr *macaddr,
 226                                           vlanid_t vid);
 227
 228 extern void zebra_vxlan_set_accept_bgp_seq(bool set);
 229 extern bool zebra_vxlan_get_accept_bgp_seq(void);
 230
 231 #ifdef __cplusplus
 232 }
 233 #endif
 234
 235 #endif /* _ZEBRA_VXLAN_H */