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 #include "zebra/interface.h"
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 /* Is EVPN enabled? */
  46 #define EVPN_ENABLED(zvrf)  (zvrf)->advertise_all_vni
  47 static inline int is_evpn_enabled(void)
  48 {
  49         return EVPN_ENABLED(zebra_vrf_get_evpn());
  50 }
  51
  52 static inline int
  53 is_vxlan_flooding_head_end(void)
  54 {
  55         struct zebra_vrf *zvrf = zebra_vrf_get_evpn();
  56         return (zvrf->vxlan_flood_ctrl == VXLAN_FLOOD_HEAD_END_REPL);
  57 }
  58
  59 /* VxLAN interface change flags of interest. */
  60 #define ZEBRA_VXLIF_LOCAL_IP_CHANGE     (1 << 0)
  61 #define ZEBRA_VXLIF_MASTER_CHANGE       (1 << 1)
  62 #define ZEBRA_VXLIF_VLAN_CHANGE         (1 << 2)
  63 #define ZEBRA_VXLIF_MCAST_GRP_CHANGE    (1 << 3)
  64 #define ZEBRA_VXLIF_MASTER_MAC_CHANGE (1 << 4)
  65
  66 #define ZEBRA_VXLIF_VNI_UPDATE(__flags)                                        \
  67         ((__flags) & (ZEBRA_VXLIF_VLAN_CHANGE | ZEBRA_VXLIF_MCAST_GRP_CHANGE))
  68 #define ZEBRA_VXLIF_UPDATE(__flags)                                            \
  69         ((__flags) & (ZEBRA_VXLIF_LOCAL_IP_CHANGE | ZEBRA_VXLIF_MASTER_CHANGE))
  70
  71 #define VNI_STR_LEN 32
  72
  73 /* ZAPI message handlers */
  74 extern void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS);
  75 extern void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS);
  76 extern void zebra_vxlan_remote_vtep_add_zapi(ZAPI_HANDLER_ARGS);
  77 extern void zebra_vxlan_remote_vtep_del_zapi(ZAPI_HANDLER_ARGS);
  78 void zebra_vxlan_remote_vtep_add(vrf_id_t vrf_id, vni_t vni,
  79                                  struct in_addr vtep_ip, int flood_control);
  80 extern void zebra_vxlan_remote_vtep_del(vrf_id_t vrf_id, vni_t vni,
  81                                         struct in_addr vtep_ip);
  82 extern void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS);
  83 extern void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS);
  84 extern void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS);
  85 extern void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS);
  86 extern void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS);
  87 extern void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS);
  88 extern void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS);
  89
  90 extern int is_l3vni_for_prefix_routes_only(vni_t vni);
  91 extern ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id);
  92 extern ifindex_t get_l3vni_vxlan_ifindex(vrf_id_t vrf_id);
  93 extern vni_t get_l3vni_vni(vrf_id_t vrf_id);
  94 extern bool is_vrf_l3vni_svd_backed(vrf_id_t vrf_id);
  95 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  96 extern int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf);
  97 extern int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf);
  98 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  99 extern void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
 100                                                 struct ipaddr *ip, bool uj);
 101 extern void zebra_vxlan_print_evpn(struct vty *vty, bool uj);
 102 extern void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
 103                                                   struct ethaddr *rmac,
 104                                                   bool use_json);
 105 extern void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
 106                                        vni_t vni, bool use_json, bool detail);
 107 extern void zebra_vxlan_print_macs_all_vni(struct vty *vty,
 108                                            struct zebra_vrf *zvrf,
 109                                            bool print_dup,
 110                                            bool use_json);
 111 extern void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty,
 112                                                   struct zebra_vrf *zvrf,
 113                                                   bool print_dup,
 114                                                   bool use_json);
 115 extern void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
 116                                                 struct zebra_vrf *zvrf,
 117                                                 struct in_addr vtep_ip,
 118                                                 bool use_json);
 119 extern void zebra_vxlan_print_specific_mac_vni(struct vty *vty,
 120                                                struct zebra_vrf *zvrf,
 121                                                vni_t vni, struct ethaddr *mac,
 122                                                bool use_json);
 123 extern void zebra_vxlan_print_macs_vni_vtep(struct vty *vty,
 124                                             struct zebra_vrf *zvrf, vni_t vni,
 125                                             struct in_addr vtep_ip,
 126                                             bool use_json);
 127 extern void zebra_vxlan_print_macs_vni_dad(struct vty *vty,
 128                                            struct zebra_vrf *zvrf, vni_t vni,
 129                                            bool use_json);
 130 extern void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
 131                                         vni_t vni, bool use_json);
 132 extern void zebra_vxlan_print_neigh_all_vni(struct vty *vty,
 133                                             struct zebra_vrf *zvrf,
 134                                             bool print_dup,
 135                                             bool use_json);
 136 extern void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty,
 137                                                    struct zebra_vrf *zvrf,
 138                                                    bool print_dup,
 139                                                    bool use_json);
 140 extern void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
 141                                                  struct zebra_vrf *zvrf,
 142                                                  vni_t vni, struct ipaddr *ip,
 143                                                  bool use_json);
 144 extern void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty,
 145                                              struct zebra_vrf *zvrf, vni_t vni,
 146                                              struct in_addr vtep_ip,
 147                                              bool use_json);
 148 extern void zebra_vxlan_print_neigh_vni_dad(struct vty *vty,
 149                                         struct zebra_vrf *zvrf, vni_t vni,
 150                                         bool use_json);
 151 extern void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf,
 152                                   vni_t vni, bool use_json,
 153                                   json_object *json_array);
 154 extern void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
 155                                    bool use_json);
 156 extern void zebra_vxlan_print_vnis_detail(struct vty *vty,
 157                                           struct zebra_vrf *zvrf,
 158                                           bool use_json);
 159 extern void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t vni,
 160                                           bool use_json);
 161 extern void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json);
 162 extern void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t vni,
 163                                        bool use_json);
 164 extern void zebra_vxlan_print_nh_svd(struct vty *vty, bool use_json);
 165 extern void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json);
 166 extern void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json);
 167 extern void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf,
 168                                       json_object *json_vrfs);
 169 extern int zebra_vxlan_add_del_gw_macip(struct interface *ifp,
 170                                         const struct prefix *p, int add);
 171 extern int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if);
 172 extern int zebra_vxlan_svi_down(struct interface *ifp,
 173                                 struct interface *link_if);
 174 extern int zebra_vxlan_handle_kernel_neigh_update(
 175         struct interface *ifp, struct interface *link_if, struct ipaddr *ip,
 176         struct ethaddr *macaddr, uint16_t state, bool is_ext,
 177         bool is_router, bool local_inactive, bool dp_static);
 178 extern int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp,
 179                                        struct interface *link_if,
 180                                        struct ipaddr *ip);
 181 extern int zebra_vxlan_local_mac_add_update(struct interface *ifp,
 182                                             struct interface *br_if,
 183                                             struct ethaddr *mac, vlanid_t vid,
 184                                             bool sticky, bool local_inactive,
 185                                                 bool dp_static);
 186 extern int zebra_vxlan_local_mac_del(struct interface *ifp,
 187                                      struct interface *br_if,
 188                                      struct ethaddr *mac, vlanid_t vid);
 189 extern int zebra_vxlan_check_readd_vtep(struct interface *ifp, vni_t vni,
 190                                         struct in_addr vtep_ip);
 191 extern int zebra_vxlan_if_up(struct interface *ifp);
 192 extern int zebra_vxlan_if_down(struct interface *ifp);
 193 extern int zebra_vxlan_if_add(struct interface *ifp);
 194 extern int zebra_vxlan_if_update(struct interface *ifp,
 195                                  struct zebra_vxlan_if_update_ctx *ctx);
 196 extern int zebra_vxlan_if_del(struct interface *ifp);
 197 extern int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
 198                                            char *err, int err_str_sz,
 199                                            int filter, int add);
 200 extern void zebra_vxlan_init_tables(struct zebra_vrf *zvrf);
 201 extern void zebra_vxlan_close_tables(struct zebra_vrf *);
 202 extern void zebra_vxlan_cleanup_tables(struct zebra_vrf *);
 203 extern void zebra_vxlan_init(void);
 204 extern void zebra_vxlan_disable(void);
 205 extern void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id,
 206                                            const struct ethaddr *rmac,
 207                                            const struct ipaddr *ip,
 208                                            const struct prefix *host_prefix);
 209 extern void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id,
 210                                            struct ipaddr *vtep_ip,
 211                                            struct prefix *host_prefix);
 212 extern int zebra_vxlan_clear_dup_detect_vni_mac(struct zebra_vrf *zvrf,
 213                                                 vni_t vni,
 214                                                 struct ethaddr *macaddr,
 215                                                 char *errmsg,
 216                                                 size_t errmsg_len);
 217 extern int zebra_vxlan_clear_dup_detect_vni_ip(struct zebra_vrf *zvrf,
 218                                                vni_t vni, struct ipaddr *ip,
 219                                                char *errmsg, size_t errmsg_len);
 220 extern int zebra_vxlan_clear_dup_detect_vni_all(struct zebra_vrf *zvrf);
 221 extern int zebra_vxlan_clear_dup_detect_vni(struct zebra_vrf *zvrf, vni_t vni);
 222 extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx);
 223
 224 extern void zebra_evpn_init(void);
 225 extern void zebra_vxlan_macvlan_up(struct interface *ifp);
 226 extern void zebra_vxlan_macvlan_down(struct interface *ifp);
 227 extern int vni_list_cmp(void *p1, void *p2);
 228 extern int zebra_vxlan_dp_network_mac_add(struct interface *ifp,
 229                                           struct interface *br_if,
 230                                           struct ethaddr *macaddr, vlanid_t vid,
 231                                           vni_t vni, uint32_t nhg_id,
 232                                           bool sticky, bool dp_static);
 233 extern int zebra_vxlan_dp_network_mac_del(struct interface *ifp,
 234                                           struct interface *br_if,
 235                                           struct ethaddr *macaddr, vlanid_t vid,
 236                                           vni_t vni);
 237
 238 extern void zebra_vxlan_set_accept_bgp_seq(bool set);
 239 extern bool zebra_vxlan_get_accept_bgp_seq(void);
 240
 241 #ifdef __cplusplus
 242 }
 243 #endif
 244
 245 #endif /* _ZEBRA_VXLAN_H */