zebra/zebra_vxlan.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Zebra VxLAN (EVPN) Data structures and definitions
   4  * These are public definitions referenced by other files.
   5  * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
   6  */
   7
   8 #ifndef _ZEBRA_VXLAN_H
   9 #define _ZEBRA_VXLAN_H
  10
  11 #include <zebra.h>
  12 #include <zebra/zebra_router.h>
  13
  14 #include "linklist.h"
  15 #include "if.h"
  16 #include "vlan.h"
  17 #include "vxlan.h"
  18
  19 #include "lib/json.h"
  20 #include "zebra/zebra_vrf.h"
  21 #include "zebra/zserv.h"
  22 #include "zebra/zebra_dplane.h"
  23 #include "zebra/interface.h"
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 /* Is EVPN enabled? */
  30 #define EVPN_ENABLED(zvrf)  (zvrf)->advertise_all_vni
  31 static inline int is_evpn_enabled(void)
  32 {
  33         return EVPN_ENABLED(zebra_vrf_get_evpn());
  34 }
  35
  36 static inline int
  37 is_vxlan_flooding_head_end(void)
  38 {
  39         struct zebra_vrf *zvrf = zebra_vrf_get_evpn();
  40         return (zvrf->vxlan_flood_ctrl == VXLAN_FLOOD_HEAD_END_REPL);
  41 }
  42
  43 /* VxLAN interface change flags of interest. */
  44 #define ZEBRA_VXLIF_LOCAL_IP_CHANGE     (1 << 0)
  45 #define ZEBRA_VXLIF_MASTER_CHANGE       (1 << 1)
  46 #define ZEBRA_VXLIF_VLAN_CHANGE         (1 << 2)
  47 #define ZEBRA_VXLIF_MCAST_GRP_CHANGE    (1 << 3)
  48 #define ZEBRA_VXLIF_MASTER_MAC_CHANGE (1 << 4)
  49
  50 #define ZEBRA_VXLIF_VNI_UPDATE(__flags)                                        \
  51         ((__flags) & (ZEBRA_VXLIF_VLAN_CHANGE | ZEBRA_VXLIF_MCAST_GRP_CHANGE))
  52 #define ZEBRA_VXLIF_UPDATE(__flags)                                            \
  53         ((__flags) & (ZEBRA_VXLIF_LOCAL_IP_CHANGE | ZEBRA_VXLIF_MASTER_CHANGE))
  54
  55 #define VNI_STR_LEN 32
  56
  57 /* ZAPI message handlers */
  58 extern void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS);
  59 extern void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS);
  60 extern void zebra_vxlan_remote_vtep_add_zapi(ZAPI_HANDLER_ARGS);
  61 extern void zebra_vxlan_remote_vtep_del_zapi(ZAPI_HANDLER_ARGS);
  62 void zebra_vxlan_remote_vtep_add(vrf_id_t vrf_id, vni_t vni,
  63                                  struct in_addr vtep_ip, int flood_control);
  64 extern void zebra_vxlan_remote_vtep_del(vrf_id_t vrf_id, vni_t vni,
  65                                         struct in_addr vtep_ip);
  66 extern void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS);
  67 extern void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS);
  68 extern void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS);
  69 extern void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS);
  70 extern void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS);
  71 extern void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS);
  72 extern void zebra_vxlan_sg_replay(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 ifindex_t get_l3vni_vxlan_ifindex(vrf_id_t vrf_id);
  77 extern vni_t get_l3vni_vni(vrf_id_t vrf_id);
  78 extern bool is_vrf_l3vni_svd_backed(vrf_id_t vrf_id);
  79 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  80 extern int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf);
  81 extern int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf);
  82 extern int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf);
  83 extern void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
  84                                                 struct ipaddr *ip, bool uj);
  85 extern void zebra_vxlan_print_evpn(struct vty *vty, bool uj);
  86 extern void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
  87                                                   struct ethaddr *rmac,
  88                                                   bool use_json);
  89 extern void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
  90                                        vni_t vni, bool use_json, bool detail);
  91 extern void zebra_vxlan_print_macs_all_vni(struct vty *vty,
  92                                            struct zebra_vrf *zvrf,
  93                                            bool print_dup,
  94                                            bool use_json);
  95 extern void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty,
  96                                                   struct zebra_vrf *zvrf,
  97                                                   bool print_dup,
  98                                                   bool use_json);
  99 extern void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
 100                                                 struct zebra_vrf *zvrf,
 101                                                 struct in_addr vtep_ip,
 102                                                 bool use_json);
 103 extern void zebra_vxlan_print_specific_mac_vni(struct vty *vty,
 104                                                struct zebra_vrf *zvrf,
 105                                                vni_t vni, struct ethaddr *mac,
 106                                                bool use_json);
 107 extern void zebra_vxlan_print_macs_vni_vtep(struct vty *vty,
 108                                             struct zebra_vrf *zvrf, vni_t vni,
 109                                             struct in_addr vtep_ip,
 110                                             bool use_json);
 111 extern void zebra_vxlan_print_macs_vni_dad(struct vty *vty,
 112                                            struct zebra_vrf *zvrf, vni_t vni,
 113                                            bool use_json);
 114 extern void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
 115                                         vni_t vni, bool use_json);
 116 extern void zebra_vxlan_print_neigh_all_vni(struct vty *vty,
 117                                             struct zebra_vrf *zvrf,
 118                                             bool print_dup,
 119                                             bool use_json);
 120 extern void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty,
 121                                                    struct zebra_vrf *zvrf,
 122                                                    bool print_dup,
 123                                                    bool use_json);
 124 extern void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
 125                                                  struct zebra_vrf *zvrf,
 126                                                  vni_t vni, struct ipaddr *ip,
 127                                                  bool use_json);
 128 extern void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty,
 129                                              struct zebra_vrf *zvrf, vni_t vni,
 130                                              struct in_addr vtep_ip,
 131                                              bool use_json);
 132 extern void zebra_vxlan_print_neigh_vni_dad(struct vty *vty,
 133                                         struct zebra_vrf *zvrf, vni_t vni,
 134                                         bool use_json);
 135 extern void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf,
 136                                   vni_t vni, bool use_json,
 137                                   json_object *json_array);
 138 extern void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
 139                                    bool use_json);
 140 extern void zebra_vxlan_print_vnis_detail(struct vty *vty,
 141                                           struct zebra_vrf *zvrf,
 142                                           bool use_json);
 143 extern void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t vni,
 144                                           bool use_json);
 145 extern void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json);
 146 extern void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t vni,
 147                                        bool use_json);
 148 extern void zebra_vxlan_print_nh_svd(struct vty *vty, bool use_json);
 149 extern void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json);
 150 extern void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json);
 151 extern void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf,
 152                                       json_object *json_vrfs);
 153 extern int zebra_vxlan_add_del_gw_macip(struct interface *ifp,
 154                                         const struct prefix *p, int add);
 155 extern int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if);
 156 extern int zebra_vxlan_svi_down(struct interface *ifp,
 157                                 struct interface *link_if);
 158 extern int zebra_vxlan_handle_kernel_neigh_update(
 159         struct interface *ifp, struct interface *link_if, struct ipaddr *ip,
 160         struct ethaddr *macaddr, uint16_t state, bool is_ext,
 161         bool is_router, bool local_inactive, bool dp_static);
 162 extern int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp,
 163                                        struct interface *link_if,
 164                                        struct ipaddr *ip);
 165 extern int zebra_vxlan_local_mac_add_update(struct interface *ifp,
 166                                             struct interface *br_if,
 167                                             struct ethaddr *mac, vlanid_t vid,
 168                                             bool sticky, bool local_inactive,
 169                                                 bool dp_static);
 170 extern int zebra_vxlan_local_mac_del(struct interface *ifp,
 171                                      struct interface *br_if,
 172                                      struct ethaddr *mac, vlanid_t vid);
 173 extern int zebra_vxlan_check_readd_vtep(struct interface *ifp, vni_t vni,
 174                                         struct in_addr vtep_ip);
 175 extern int zebra_vxlan_if_up(struct interface *ifp);
 176 extern int zebra_vxlan_if_down(struct interface *ifp);
 177 extern int zebra_vxlan_if_add(struct interface *ifp);
 178 extern int zebra_vxlan_if_update(struct interface *ifp,
 179                                  struct zebra_vxlan_if_update_ctx *ctx);
 180 extern int zebra_vxlan_if_del(struct interface *ifp);
 181 extern int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
 182                                            char *err, int err_str_sz,
 183                                            int filter, int add);
 184 extern void zebra_vxlan_init_tables(struct zebra_vrf *zvrf);
 185 extern void zebra_vxlan_close_tables(struct zebra_vrf *);
 186 extern void zebra_vxlan_cleanup_tables(struct zebra_vrf *);
 187 extern void zebra_vxlan_init(void);
 188 extern void zebra_vxlan_disable(void);
 189 extern void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id,
 190                                            const struct ethaddr *rmac,
 191                                            const struct ipaddr *ip,
 192                                            const struct prefix *host_prefix);
 193 extern void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id,
 194                                            struct ipaddr *vtep_ip,
 195                                            struct prefix *host_prefix);
 196 extern int zebra_vxlan_clear_dup_detect_vni_mac(struct zebra_vrf *zvrf,
 197                                                 vni_t vni,
 198                                                 struct ethaddr *macaddr,
 199                                                 char *errmsg,
 200                                                 size_t errmsg_len);
 201 extern int zebra_vxlan_clear_dup_detect_vni_ip(struct zebra_vrf *zvrf,
 202                                                vni_t vni, struct ipaddr *ip,
 203                                                char *errmsg, size_t errmsg_len);
 204 extern int zebra_vxlan_clear_dup_detect_vni_all(struct zebra_vrf *zvrf);
 205 extern int zebra_vxlan_clear_dup_detect_vni(struct zebra_vrf *zvrf, vni_t vni);
 206 extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx);
 207
 208 extern void zebra_evpn_init(void);
 209 extern void zebra_vxlan_macvlan_up(struct interface *ifp);
 210 extern void zebra_vxlan_macvlan_down(struct interface *ifp);
 211 extern int vni_list_cmp(void *p1, void *p2);
 212 extern int zebra_vxlan_dp_network_mac_add(struct interface *ifp,
 213                                           struct interface *br_if,
 214                                           struct ethaddr *macaddr, vlanid_t vid,
 215                                           vni_t vni, uint32_t nhg_id,
 216                                           bool sticky, bool dp_static);
 217 extern int zebra_vxlan_dp_network_mac_del(struct interface *ifp,
 218                                           struct interface *br_if,
 219                                           struct ethaddr *macaddr, vlanid_t vid,
 220                                           vni_t vni);
 221
 222 extern void zebra_vxlan_set_accept_bgp_seq(bool set);
 223 extern bool zebra_vxlan_get_accept_bgp_seq(void);
 224
 225 #ifdef __cplusplus
 226 }
 227 #endif
 228
 229 #endif /* _ZEBRA_VXLAN_H */