2 * Zebra EVPN for VxLAN code
3 * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
5 * This file is part of FRR.
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
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.
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
37 #include <linux/neighbour.h>
40 #include "zebra/zebra_router.h"
41 #include "zebra/debug.h"
42 #include "zebra/interface.h"
43 #include "zebra/rib.h"
45 #include "zebra/rt_netlink.h"
46 #include "zebra/zebra_errors.h"
47 #include "zebra/zebra_l2.h"
48 #include "zebra/zebra_memory.h"
49 #include "zebra/zebra_ns.h"
50 #include "zebra/zebra_vrf.h"
51 #include "zebra/zebra_vxlan.h"
52 #include "zebra/zebra_vxlan_private.h"
53 #include "zebra/zebra_router.h"
55 DEFINE_MTYPE_STATIC(ZEBRA
, HOST_PREFIX
, "host prefix");
56 DEFINE_MTYPE_STATIC(ZEBRA
, ZVNI
, "VNI hash");
57 DEFINE_MTYPE_STATIC(ZEBRA
, ZL3VNI
, "L3 VNI hash");
58 DEFINE_MTYPE_STATIC(ZEBRA
, ZVNI_VTEP
, "VNI remote VTEP");
59 DEFINE_MTYPE_STATIC(ZEBRA
, MAC
, "VNI MAC");
60 DEFINE_MTYPE_STATIC(ZEBRA
, NEIGH
, "VNI Neighbor");
61 DEFINE_MTYPE_STATIC(ZEBRA
, ZVXLAN_SG
, "zebra VxLAN multicast group");
63 DEFINE_HOOK(zebra_rmac_update
, (zebra_mac_t
*rmac
, zebra_l3vni_t
*zl3vni
,
64 bool delete, const char *reason
), (rmac
, zl3vni
, delete, reason
))
68 #define VXLAN_FLOOD_STR_NO_INFO "-"
69 #define VXLAN_FLOOD_STR_DEFAULT VXLAN_FLOOD_STR_NO_INFO
70 static const struct message zvtep_flood_str
[] = {
71 {VXLAN_FLOOD_DISABLED
, VXLAN_FLOOD_STR_NO_INFO
},
72 {VXLAN_FLOOD_PIM_SM
, "PIM-SM"},
73 {VXLAN_FLOOD_HEAD_END_REPL
, "HER"},
78 /* static function declarations */
79 static int ip_prefix_send_to_client(vrf_id_t vrf_id
, struct prefix
*p
,
81 static void zvni_print_neigh(zebra_neigh_t
*n
, void *ctxt
, json_object
*json
);
82 static void zvni_print_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
);
83 static void zvni_print_dad_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
);
84 static void zvni_print_neigh_hash_all_vni(struct hash_bucket
*bucket
,
86 static void zl3vni_print_nh(zebra_neigh_t
*n
, struct vty
*vty
,
88 static void zl3vni_print_rmac(zebra_mac_t
*zrmac
, struct vty
*vty
,
90 static void zvni_print_mac(zebra_mac_t
*mac
, void *ctxt
, json_object
*json
);
91 static void zvni_print_mac_hash(struct hash_bucket
*bucket
, void *ctxt
);
92 static void zvni_print_mac_hash_all_vni(struct hash_bucket
*bucket
, void *ctxt
);
93 static void zvni_print(zebra_vni_t
*zvni
, void **ctxt
);
94 static void zvni_print_hash(struct hash_bucket
*bucket
, void *ctxt
[]);
96 static int zvni_macip_send_msg_to_client(vni_t vni
, struct ethaddr
*macaddr
,
97 struct ipaddr
*ip
, uint8_t flags
,
98 uint32_t seq
, int state
, uint16_t cmd
);
99 static unsigned int neigh_hash_keymake(const void *p
);
100 static void *zvni_neigh_alloc(void *p
);
101 static zebra_neigh_t
*zvni_neigh_add(zebra_vni_t
*zvni
, struct ipaddr
*ip
,
102 struct ethaddr
*mac
);
103 static int zvni_neigh_del(zebra_vni_t
*zvni
, zebra_neigh_t
*n
);
104 static void zvni_neigh_del_from_vtep(zebra_vni_t
*zvni
, int uninstall
,
105 struct in_addr
*r_vtep_ip
);
106 static void zvni_neigh_del_all(zebra_vni_t
*zvni
, int uninstall
, int upd_client
,
108 static zebra_neigh_t
*zvni_neigh_lookup(zebra_vni_t
*zvni
, struct ipaddr
*ip
);
109 static int zvni_neigh_send_add_to_client(vni_t vni
, struct ipaddr
*ip
,
110 struct ethaddr
*macaddr
,
111 uint8_t flags
, uint32_t seq
);
112 static int zvni_neigh_send_del_to_client(vni_t vni
, struct ipaddr
*ip
,
113 struct ethaddr
*macaddr
,
114 uint8_t flags
, int state
);
115 static int zvni_neigh_install(zebra_vni_t
*zvni
, zebra_neigh_t
*n
);
116 static int zvni_neigh_uninstall(zebra_vni_t
*zvni
, zebra_neigh_t
*n
);
117 static int zvni_neigh_probe(zebra_vni_t
*zvni
, zebra_neigh_t
*n
);
118 static zebra_vni_t
*zvni_from_svi(struct interface
*ifp
,
119 struct interface
*br_if
);
120 static struct interface
*zvni_map_to_svi(vlanid_t vid
, struct interface
*br_if
);
122 /* l3-vni next-hop neigh related APIs */
123 static zebra_neigh_t
*zl3vni_nh_lookup(zebra_l3vni_t
*zl3vni
,
125 static void *zl3vni_nh_alloc(void *p
);
126 static zebra_neigh_t
*zl3vni_nh_add(zebra_l3vni_t
*zl3vni
,
127 struct ipaddr
*vtep_ip
,
128 struct ethaddr
*rmac
);
129 static int zl3vni_nh_del(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
);
130 static int zl3vni_nh_install(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
);
131 static int zl3vni_nh_uninstall(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
);
133 /* l3-vni rmac related APIs */
134 static void zl3vni_print_rmac_hash(struct hash_bucket
*, void *);
135 static zebra_mac_t
*zl3vni_rmac_lookup(zebra_l3vni_t
*zl3vni
,
136 struct ethaddr
*rmac
);
137 static void *zl3vni_rmac_alloc(void *p
);
138 static zebra_mac_t
*zl3vni_rmac_add(zebra_l3vni_t
*zl3vni
,
139 struct ethaddr
*rmac
);
140 static int zl3vni_rmac_del(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
);
141 static int zl3vni_rmac_install(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
);
142 static int zl3vni_rmac_uninstall(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
);
144 /* l3-vni related APIs*/
145 static zebra_l3vni_t
*zl3vni_lookup(vni_t vni
);
146 static void *zl3vni_alloc(void *p
);
147 static zebra_l3vni_t
*zl3vni_add(vni_t vni
, vrf_id_t vrf_id
);
148 static int zl3vni_del(zebra_l3vni_t
*zl3vni
);
149 static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t
*zl3vni
);
150 static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t
*zl3vni
);
152 static unsigned int mac_hash_keymake(const void *p
);
153 static bool mac_cmp(const void *p1
, const void *p2
);
154 static void *zvni_mac_alloc(void *p
);
155 static zebra_mac_t
*zvni_mac_add(zebra_vni_t
*zvni
, struct ethaddr
*macaddr
);
156 static int zvni_mac_del(zebra_vni_t
*zvni
, zebra_mac_t
*mac
);
157 static void zvni_mac_del_from_vtep(zebra_vni_t
*zvni
, int uninstall
,
158 struct in_addr
*r_vtep_ip
);
159 static void zvni_mac_del_all(zebra_vni_t
*zvni
, int uninstall
, int upd_client
,
161 static zebra_mac_t
*zvni_mac_lookup(zebra_vni_t
*zvni
, struct ethaddr
*macaddr
);
162 static int zvni_mac_send_add_to_client(vni_t vni
, struct ethaddr
*macaddr
,
163 uint8_t flags
, uint32_t seq
);
164 static int zvni_mac_send_del_to_client(vni_t vni
, struct ethaddr
*macaddr
);
165 static zebra_vni_t
*zvni_map_vlan(struct interface
*ifp
,
166 struct interface
*br_if
, vlanid_t vid
);
167 static int zvni_mac_install(zebra_vni_t
*zvni
, zebra_mac_t
*mac
);
168 static int zvni_mac_uninstall(zebra_vni_t
*zvni
, zebra_mac_t
*mac
);
169 static void zvni_install_mac_hash(struct hash_bucket
*bucket
, void *ctxt
);
171 static unsigned int vni_hash_keymake(const void *p
);
172 static void *zvni_alloc(void *p
);
173 static zebra_vni_t
*zvni_lookup(vni_t vni
);
174 static zebra_vni_t
*zvni_add(vni_t vni
);
175 static int zvni_del(zebra_vni_t
*zvni
);
176 static int zvni_send_add_to_client(zebra_vni_t
*zvni
);
177 static int zvni_send_del_to_client(vni_t vni
);
178 static void zvni_build_hash_table(void);
179 static int zvni_vtep_match(struct in_addr
*vtep_ip
, zebra_vtep_t
*zvtep
);
180 static zebra_vtep_t
*zvni_vtep_find(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
);
181 static zebra_vtep_t
*zvni_vtep_add(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
,
183 static int zvni_vtep_del(zebra_vni_t
*zvni
, zebra_vtep_t
*zvtep
);
184 static int zvni_vtep_del_all(zebra_vni_t
*zvni
, int uninstall
);
185 static int zvni_vtep_install(zebra_vni_t
*zvni
, zebra_vtep_t
*zvtep
);
186 static int zvni_vtep_uninstall(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
);
187 static int zvni_del_macip_for_intf(struct interface
*ifp
, zebra_vni_t
*zvni
);
188 static int zvni_add_macip_for_intf(struct interface
*ifp
, zebra_vni_t
*zvni
);
189 static int zvni_gw_macip_add(struct interface
*ifp
, zebra_vni_t
*zvni
,
190 struct ethaddr
*macaddr
, struct ipaddr
*ip
);
191 static int zvni_gw_macip_del(struct interface
*ifp
, zebra_vni_t
*zvni
,
193 struct interface
*zebra_get_vrr_intf_for_svi(struct interface
*ifp
);
194 static int advertise_gw_macip_enabled(zebra_vni_t
*zvni
);
195 static int advertise_svi_macip_enabled(zebra_vni_t
*zvni
);
196 static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf
*zvrf
,
197 zebra_mac_t
*old_zmac
,
198 zebra_mac_t
*new_zmac
,
200 static int remote_neigh_count(zebra_mac_t
*zmac
);
201 static void zvni_deref_ip2mac(zebra_vni_t
*zvni
, zebra_mac_t
*mac
);
202 static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread
*t
);
203 static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread
*t
);
204 static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf
*zvrf
,
206 struct in_addr vtep_ip
,
210 static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf
*zvrf
,
212 struct in_addr vtep_ip
,
216 static unsigned int zebra_vxlan_sg_hash_key_make(const void *p
);
217 static bool zebra_vxlan_sg_hash_eq(const void *p1
, const void *p2
);
218 static void zebra_vxlan_sg_do_deref(struct zebra_vrf
*zvrf
,
219 struct in_addr sip
, struct in_addr mcast_grp
);
220 static zebra_vxlan_sg_t
*zebra_vxlan_sg_do_ref(struct zebra_vrf
*vrf
,
221 struct in_addr sip
, struct in_addr mcast_grp
);
222 static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip
,
223 struct in_addr mcast_grp
);
224 static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip
,
225 struct in_addr mcast_grp
);
226 static void zebra_vxlan_sg_cleanup(struct hash_backet
*backet
, void *arg
);
228 static void zvni_send_mac_to_client(zebra_vni_t
*zvn
);
229 static void zvni_send_neigh_to_client(zebra_vni_t
*zvni
);
231 /* Private functions */
232 static int host_rb_entry_compare(const struct host_rb_entry
*hle1
,
233 const struct host_rb_entry
*hle2
)
235 if (hle1
->p
.family
< hle2
->p
.family
)
238 if (hle1
->p
.family
> hle2
->p
.family
)
241 if (hle1
->p
.prefixlen
< hle2
->p
.prefixlen
)
244 if (hle1
->p
.prefixlen
> hle2
->p
.prefixlen
)
247 if (hle1
->p
.family
== AF_INET
) {
248 if (hle1
->p
.u
.prefix4
.s_addr
< hle2
->p
.u
.prefix4
.s_addr
)
251 if (hle1
->p
.u
.prefix4
.s_addr
> hle2
->p
.u
.prefix4
.s_addr
)
255 } else if (hle1
->p
.family
== AF_INET6
) {
256 return memcmp(&hle1
->p
.u
.prefix6
, &hle2
->p
.u
.prefix6
,
259 zlog_debug("%s: Unexpected family type: %d",
260 __PRETTY_FUNCTION__
, hle1
->p
.family
);
264 RB_GENERATE(host_rb_tree_entry
, host_rb_entry
, hl_entry
, host_rb_entry_compare
);
266 static uint32_t rb_host_count(struct host_rb_tree_entry
*hrbe
)
268 struct host_rb_entry
*hle
;
271 RB_FOREACH (hle
, host_rb_tree_entry
, hrbe
)
278 * Return number of valid MACs in a VNI's MAC hash table - all
279 * remote MACs and non-internal (auto) local MACs count.
281 static uint32_t num_valid_macs(zebra_vni_t
*zvni
)
284 uint32_t num_macs
= 0;
286 struct hash_bucket
*hb
;
289 hash
= zvni
->mac_table
;
292 for (i
= 0; i
< hash
->size
; i
++) {
293 for (hb
= hash
->index
[i
]; hb
; hb
= hb
->next
) {
294 mac
= (zebra_mac_t
*)hb
->data
;
295 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)
296 || CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)
297 || !CHECK_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
))
305 static uint32_t num_dup_detected_macs(zebra_vni_t
*zvni
)
308 uint32_t num_macs
= 0;
310 struct hash_bucket
*hb
;
313 hash
= zvni
->mac_table
;
316 for (i
= 0; i
< hash
->size
; i
++) {
317 for (hb
= hash
->index
[i
]; hb
; hb
= hb
->next
) {
318 mac
= (zebra_mac_t
*)hb
->data
;
319 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
327 static uint32_t num_dup_detected_neighs(zebra_vni_t
*zvni
)
330 uint32_t num_neighs
= 0;
332 struct hash_bucket
*hb
;
335 hash
= zvni
->neigh_table
;
338 for (i
= 0; i
< hash
->size
; i
++) {
339 for (hb
= hash
->index
[i
]; hb
; hb
= hb
->next
) {
340 nbr
= (zebra_neigh_t
*)hb
->data
;
341 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
))
349 static int advertise_gw_macip_enabled(zebra_vni_t
*zvni
)
351 struct zebra_vrf
*zvrf
;
353 zvrf
= zebra_vrf_get_evpn();
354 if (zvrf
&& zvrf
->advertise_gw_macip
)
357 if (zvni
&& zvni
->advertise_gw_macip
)
363 static int advertise_svi_macip_enabled(zebra_vni_t
*zvni
)
365 struct zebra_vrf
*zvrf
;
367 zvrf
= zebra_vrf_get_evpn();
368 if (zvrf
&& zvrf
->advertise_svi_macip
)
371 if (zvni
&& zvni
->advertise_svi_macip
)
377 /* As part Duplicate Address Detection (DAD) for IP mobility
378 * MAC binding changes, ensure to inherit duplicate flag
381 static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf
*zvrf
,
382 zebra_mac_t
*old_zmac
,
383 zebra_mac_t
*new_zmac
,
386 bool is_old_mac_dup
= false;
387 bool is_new_mac_dup
= false;
389 if (!zvrf
->dup_addr_detect
)
391 /* Check old or new MAC is detected as duplicate
392 * mark this neigh as duplicate
395 is_old_mac_dup
= CHECK_FLAG(old_zmac
->flags
,
396 ZEBRA_MAC_DUPLICATE
);
398 is_new_mac_dup
= CHECK_FLAG(new_zmac
->flags
,
399 ZEBRA_MAC_DUPLICATE
);
400 /* Old and/or new MAC can be in duplicate state,
401 * based on that IP/Neigh Inherits the flag.
402 * If New MAC is marked duplicate, inherit to the IP.
403 * If old MAC is duplicate but new MAC is not, clear
404 * duplicate flag for IP and reset detection params
405 * and let IP DAD retrigger.
407 if (is_new_mac_dup
&& !CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
408 SET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
409 /* Capture Duplicate detection time */
410 nbr
->dad_dup_detect_time
= monotime(NULL
);
411 /* Mark neigh inactive */
412 ZEBRA_NEIGH_SET_INACTIVE(nbr
);
415 } else if (is_old_mac_dup
&& !is_new_mac_dup
) {
416 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
418 nbr
->detect_start_time
.tv_sec
= 0;
419 nbr
->detect_start_time
.tv_usec
= 0;
424 static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf
*zvrf
,
426 struct in_addr vtep_ip
,
432 struct listnode
*node
= NULL
;
433 struct timeval elapsed
= {0, 0};
434 char buf
[ETHER_ADDR_STRLEN
];
435 char buf1
[INET6_ADDRSTRLEN
];
436 bool reset_params
= false;
438 if (!(zvrf
->dup_addr_detect
&& do_dad
))
441 /* MAC is detected as duplicate,
442 * Local MAC event -> hold on advertising to BGP.
443 * Remote MAC event -> hold on installing it.
445 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
)) {
446 if (IS_ZEBRA_DEBUG_VXLAN
)
448 "%s: duplicate addr MAC %s flags 0x%x skip update to client, learn count %u recover time %u",
450 prefix_mac2str(&mac
->macaddr
, buf
,
452 mac
->flags
, mac
->dad_count
,
453 zvrf
->dad_freeze_time
);
455 /* For duplicate MAC do not update
456 * client but update neigh due to
459 if (zvrf
->dad_freeze
)
460 *is_dup_detect
= true;
465 /* Check if detection time (M-secs) expired.
466 * Reset learn count and detection start time.
468 monotime_since(&mac
->detect_start_time
, &elapsed
);
469 reset_params
= (elapsed
.tv_sec
> zvrf
->dad_time
);
470 if (is_local
&& !reset_params
) {
471 /* RFC-7432: A PE/VTEP that detects a MAC mobility
472 * event via LOCAL learning starts an M-second timer.
474 * NOTE: This is the START of the probe with count is
475 * 0 during LOCAL learn event.
476 * (mac->dad_count == 0 || elapsed.tv_sec >= zvrf->dad_time)
478 reset_params
= !mac
->dad_count
;
482 if (IS_ZEBRA_DEBUG_VXLAN
)
484 "%s: duplicate addr MAC %s flags 0x%x detection time passed, reset learn count %u"
485 , __PRETTY_FUNCTION__
,
486 prefix_mac2str(&mac
->macaddr
, buf
,
488 mac
->flags
, mac
->dad_count
);
491 /* Start dup. addr detection (DAD) start time,
492 * ONLY during LOCAL learn.
495 monotime(&mac
->detect_start_time
);
497 } else if (!is_local
) {
498 /* For REMOTE MAC, increment detection count
499 * ONLY while in probe window, once window passed,
500 * next local learn event should trigger DAD.
505 /* For LOCAL MAC learn event, once count is reset above via either
506 * initial/start detection time or passed the probe time, the count
507 * needs to be incremented.
512 if (mac
->dad_count
>= zvrf
->dad_max_moves
) {
513 flog_warn(EC_ZEBRA_DUP_MAC_DETECTED
,
514 "VNI %u: MAC %s detected as duplicate during %s VTEP %s",
516 prefix_mac2str(&mac
->macaddr
, buf
, sizeof(buf
)),
517 is_local
? "local update, last" :
518 "remote update, from", inet_ntoa(vtep_ip
));
520 SET_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
);
522 /* Capture Duplicate detection time */
523 mac
->dad_dup_detect_time
= monotime(NULL
);
525 /* Mark all IPs/Neighs as duplicate
526 * associcated with this MAC
528 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, nbr
)) {
530 /* Ony Mark IPs which are Local */
531 if (!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
))
534 SET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
536 nbr
->dad_dup_detect_time
= monotime(NULL
);
538 flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED
,
539 "VNI %u: MAC %s IP %s detected as duplicate during %s update, inherit duplicate from MAC",
541 prefix_mac2str(&mac
->macaddr
,
543 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
544 is_local
? "local" : "remote");
547 /* Start auto recovery timer for this MAC */
548 THREAD_OFF(mac
->dad_mac_auto_recovery_timer
);
549 if (zvrf
->dad_freeze
&& zvrf
->dad_freeze_time
) {
550 if (IS_ZEBRA_DEBUG_VXLAN
)
552 "%s: duplicate addr MAC %s flags 0x%x auto recovery time %u start"
553 , __PRETTY_FUNCTION__
,
554 prefix_mac2str(&mac
->macaddr
, buf
,
556 mac
->flags
, zvrf
->dad_freeze_time
);
558 thread_add_timer(zrouter
.master
,
559 zebra_vxlan_dad_mac_auto_recovery_exp
,
560 mac
, zvrf
->dad_freeze_time
,
561 &mac
->dad_mac_auto_recovery_timer
);
564 /* In case of local update, do not inform to client (BGPd),
565 * upd_neigh for neigh sequence change.
567 if (zvrf
->dad_freeze
)
568 *is_dup_detect
= true;
572 static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf
*zvrf
,
574 struct in_addr vtep_ip
,
580 struct timeval elapsed
= {0, 0};
581 char buf
[ETHER_ADDR_STRLEN
];
582 char buf1
[INET6_ADDRSTRLEN
];
583 bool reset_params
= false;
585 if (!zvrf
->dup_addr_detect
)
588 /* IP is detected as duplicate or inherit dup
589 * state, hold on to install as remote entry
590 * only if freeze is enabled.
592 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
593 if (IS_ZEBRA_DEBUG_VXLAN
)
595 "%s: duplicate addr MAC %s IP %s flags 0x%x skip installing, learn count %u recover time %u",
597 prefix_mac2str(&nbr
->emac
, buf
, sizeof(buf
)),
598 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
599 nbr
->flags
, nbr
->dad_count
,
600 zvrf
->dad_freeze_time
);
602 if (zvrf
->dad_freeze
)
603 *is_dup_detect
= true;
605 /* warn-only action, neigh will be installed.
606 * freeze action, it wil not be installed.
614 /* Check if detection time (M-secs) expired.
615 * Reset learn count and detection start time.
616 * During remote mac add, count should already be 1
617 * via local learning.
619 monotime_since(&nbr
->detect_start_time
, &elapsed
);
620 reset_params
= (elapsed
.tv_sec
> zvrf
->dad_time
);
622 if (is_local
&& !reset_params
) {
623 /* RFC-7432: A PE/VTEP that detects a MAC mobility
624 * event via LOCAL learning starts an M-second timer.
626 * NOTE: This is the START of the probe with count is
627 * 0 during LOCAL learn event.
629 reset_params
= !nbr
->dad_count
;
633 if (IS_ZEBRA_DEBUG_VXLAN
)
635 "%s: duplicate addr MAC %s IP %s flags 0x%x detection time passed, reset learn count %u",
637 prefix_mac2str(&nbr
->emac
, buf
, sizeof(buf
)),
638 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
639 nbr
->flags
, nbr
->dad_count
);
640 /* Reset learn count but do not start detection
641 * during REMOTE learn event.
644 /* Start dup. addr detection (DAD) start time,
645 * ONLY during LOCAL learn.
648 monotime(&nbr
->detect_start_time
);
650 } else if (!is_local
) {
651 /* For REMOTE IP/Neigh, increment detection count
652 * ONLY while in probe window, once window passed,
653 * next local learn event should trigger DAD.
658 /* For LOCAL IP/Neigh learn event, once count is reset above via either
659 * initial/start detection time or passed the probe time, the count
660 * needs to be incremented.
665 if (nbr
->dad_count
>= zvrf
->dad_max_moves
) {
666 flog_warn(EC_ZEBRA_DUP_IP_DETECTED
,
667 "VNI %u: MAC %s IP %s detected as duplicate during %s VTEP %s",
669 prefix_mac2str(&nbr
->emac
, buf
, sizeof(buf
)),
670 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
671 is_local
? "local update, last" :
672 "remote update, from",
675 SET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
677 /* Capture Duplicate detection time */
678 nbr
->dad_dup_detect_time
= monotime(NULL
);
680 /* Start auto recovery timer for this IP */
681 THREAD_OFF(nbr
->dad_ip_auto_recovery_timer
);
682 if (zvrf
->dad_freeze
&& zvrf
->dad_freeze_time
) {
683 if (IS_ZEBRA_DEBUG_VXLAN
)
685 "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start",
687 prefix_mac2str(&nbr
->emac
, buf
, sizeof(buf
)),
688 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
689 nbr
->flags
, zvrf
->dad_freeze_time
);
691 thread_add_timer(zrouter
.master
,
692 zebra_vxlan_dad_ip_auto_recovery_exp
,
693 nbr
, zvrf
->dad_freeze_time
,
694 &nbr
->dad_ip_auto_recovery_timer
);
696 if (zvrf
->dad_freeze
)
697 *is_dup_detect
= true;
702 * Helper function to determine maximum width of neighbor IP address for
703 * display - just because we're dealing with IPv6 addresses that can
706 static void zvni_find_neigh_addr_width(struct hash_bucket
*bucket
, void *ctxt
)
709 char buf
[INET6_ADDRSTRLEN
];
710 struct neigh_walk_ctx
*wctx
= ctxt
;
713 n
= (zebra_neigh_t
*)bucket
->data
;
715 ipaddr2str(&n
->ip
, buf
, sizeof(buf
));
717 if (width
> wctx
->addr_width
)
718 wctx
->addr_width
= width
;
723 * Print a specific neighbor entry.
725 static void zvni_print_neigh(zebra_neigh_t
*n
, void *ctxt
, json_object
*json
)
728 char buf1
[ETHER_ADDR_STRLEN
];
729 char buf2
[INET6_ADDRSTRLEN
];
730 const char *type_str
;
731 const char *state_str
;
732 bool flags_present
= false;
733 struct zebra_vrf
*zvrf
= NULL
;
734 struct timeval detect_start_time
= {0, 0};
735 char timebuf
[MONOTIME_STRLEN
];
737 zvrf
= zebra_vrf_get_evpn();
741 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
));
742 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
));
743 type_str
= CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
) ?
745 state_str
= IS_ZEBRA_NEIGH_ACTIVE(n
) ? "active" : "inactive";
746 vty
= (struct vty
*)ctxt
;
748 vty_out(vty
, "IP: %s\n",
749 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)));
750 vty_out(vty
, " Type: %s\n", type_str
);
751 vty_out(vty
, " State: %s\n", state_str
);
752 vty_out(vty
, " MAC: %s\n",
753 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
)));
755 json_object_string_add(json
, "ip", buf2
);
756 json_object_string_add(json
, "type", type_str
);
757 json_object_string_add(json
, "state", state_str
);
758 json_object_string_add(json
, "mac", buf1
);
760 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)) {
762 vty_out(vty
, " Remote VTEP: %s\n",
763 inet_ntoa(n
->r_vtep_ip
));
765 json_object_string_add(json
, "remoteVtep",
766 inet_ntoa(n
->r_vtep_ip
));
768 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DEF_GW
)) {
770 vty_out(vty
, " Flags: Default-gateway");
771 flags_present
= true;
773 json_object_boolean_true_add(json
, "defaultGateway");
775 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
)) {
778 flags_present
? " ,Router" : " Flags: Router");
779 flags_present
= true;
785 vty_out(vty
, " Local Seq: %u Remote Seq: %u\n",
786 n
->loc_seq
, n
->rem_seq
);
788 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
789 vty_out(vty
, " Duplicate, detected at %s",
790 time_to_string(n
->dad_dup_detect_time
,
792 } else if (n
->dad_count
) {
793 monotime_since(&n
->detect_start_time
,
795 if (detect_start_time
.tv_sec
<= zvrf
->dad_time
) {
796 time_to_string(n
->detect_start_time
.tv_sec
,
799 " Duplicate detection started at %s, detection count %u\n",
800 timebuf
, n
->dad_count
);
804 json_object_int_add(json
, "localSequence", n
->loc_seq
);
805 json_object_int_add(json
, "remoteSequence", n
->rem_seq
);
806 json_object_int_add(json
, "detectionCount",
808 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
))
809 json_object_boolean_true_add(json
, "isDuplicate");
811 json_object_boolean_false_add(json
, "isDuplicate");
818 * Print neighbor hash entry - called for display of all neighbors.
820 static void zvni_print_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
)
823 json_object
*json_vni
= NULL
, *json_row
= NULL
;
825 char buf1
[ETHER_ADDR_STRLEN
];
826 char buf2
[INET6_ADDRSTRLEN
];
827 struct neigh_walk_ctx
*wctx
= ctxt
;
828 const char *state_str
;
831 json_vni
= wctx
->json
;
832 n
= (zebra_neigh_t
*)bucket
->data
;
835 json_row
= json_object_new_object();
837 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
));
838 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
));
839 state_str
= IS_ZEBRA_NEIGH_ACTIVE(n
) ? "active" : "inactive";
840 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
841 if (wctx
->flags
& SHOW_REMOTE_NEIGH_FROM_VTEP
)
844 if (json_vni
== NULL
) {
845 vty_out(vty
, "%*s %-6s %-8s %-17s %u/%u\n",
846 -wctx
->addr_width
, buf2
, "local",
847 state_str
, buf1
, n
->loc_seq
, n
->rem_seq
);
849 json_object_string_add(json_row
, "type", "local");
850 json_object_string_add(json_row
, "state", state_str
);
851 json_object_string_add(json_row
, "mac", buf1
);
852 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DEF_GW
))
853 json_object_boolean_true_add(
854 json_row
, "defaultGateway");
855 json_object_int_add(json_row
, "localSequence",
857 json_object_int_add(json_row
, "remoteSequence",
859 json_object_int_add(json_row
, "detectionCount",
861 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
))
862 json_object_boolean_true_add(json_row
,
865 json_object_boolean_false_add(json_row
,
869 } else if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)) {
870 if ((wctx
->flags
& SHOW_REMOTE_NEIGH_FROM_VTEP
) &&
871 !IPV4_ADDR_SAME(&n
->r_vtep_ip
, &wctx
->r_vtep_ip
))
874 if (json_vni
== NULL
) {
875 if ((wctx
->flags
& SHOW_REMOTE_NEIGH_FROM_VTEP
) &&
877 vty_out(vty
, "%*s %-6s %-8s %-17s %-21s %s\n",
878 -wctx
->addr_width
, "Neighbor", "Type",
879 "State", "MAC", "Remote VTEP",
881 vty_out(vty
, "%*s %-6s %-8s %-17s %-21s %u/%u\n",
882 -wctx
->addr_width
, buf2
, "remote", state_str
,
883 buf1
, inet_ntoa(n
->r_vtep_ip
), n
->loc_seq
, n
->rem_seq
);
885 json_object_string_add(json_row
, "type", "remote");
886 json_object_string_add(json_row
, "state", state_str
);
887 json_object_string_add(json_row
, "mac", buf1
);
888 json_object_string_add(json_row
, "remoteVtep",
889 inet_ntoa(n
->r_vtep_ip
));
890 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DEF_GW
))
891 json_object_boolean_true_add(json_row
,
893 json_object_int_add(json_row
, "localSequence",
895 json_object_int_add(json_row
, "remoteSequence",
897 json_object_int_add(json_row
, "detectionCount",
899 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
))
900 json_object_boolean_true_add(json_row
,
903 json_object_boolean_false_add(json_row
,
910 json_object_object_add(json_vni
, buf2
, json_row
);
914 * Print neighbor hash entry in detail - called for display of all neighbors.
916 static void zvni_print_neigh_hash_detail(struct hash_bucket
*bucket
, void *ctxt
)
919 json_object
*json_vni
= NULL
, *json_row
= NULL
;
921 char buf
[INET6_ADDRSTRLEN
];
922 struct neigh_walk_ctx
*wctx
= ctxt
;
925 json_vni
= wctx
->json
;
926 n
= (zebra_neigh_t
*)bucket
->data
;
930 ipaddr2str(&n
->ip
, buf
, sizeof(buf
));
932 json_row
= json_object_new_object();
934 zvni_print_neigh(n
, vty
, json_row
);
937 json_object_object_add(json_vni
, buf
, json_row
);
941 * Print neighbors for all VNI.
943 static void zvni_print_neigh_hash_all_vni(struct hash_bucket
*bucket
,
947 json_object
*json
= NULL
, *json_vni
= NULL
;
950 struct neigh_walk_ctx wctx
;
951 char vni_str
[VNI_STR_LEN
];
954 vty
= (struct vty
*)args
[0];
955 json
= (json_object
*)args
[1];
956 print_dup
= (uint32_t)(uintptr_t)args
[2];
958 zvni
= (zebra_vni_t
*)bucket
->data
;
960 num_neigh
= hashcount(zvni
->neigh_table
);
963 num_neigh
= num_dup_detected_neighs(zvni
);
967 "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n",
968 zvni
->vni
, num_neigh
);
970 json_vni
= json_object_new_object();
971 json_object_int_add(json_vni
, "numArpNd", num_neigh
);
972 snprintf(vni_str
, VNI_STR_LEN
, "%u", zvni
->vni
);
977 json_object_object_add(json
, vni_str
, json_vni
);
981 /* Since we have IPv6 addresses to deal with which can vary widely in
982 * size, we try to be a bit more elegant in display by first computing
985 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
988 wctx
.addr_width
= 15;
989 wctx
.json
= json_vni
;
990 hash_iterate(zvni
->neigh_table
, zvni_find_neigh_addr_width
, &wctx
);
993 vty_out(vty
, "%*s %-6s %-8s %-17s %-21s %s\n",
994 -wctx
.addr_width
, "IP", "Type",
995 "State", "MAC", "Remote VTEP", "Seq #'s");
998 hash_iterate(zvni
->neigh_table
, zvni_print_dad_neigh_hash
,
1001 hash_iterate(zvni
->neigh_table
, zvni_print_neigh_hash
, &wctx
);
1004 json_object_object_add(json
, vni_str
, json_vni
);
1007 static void zvni_print_dad_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
)
1011 nbr
= (zebra_neigh_t
*)bucket
->data
;
1015 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
))
1016 zvni_print_neigh_hash(bucket
, ctxt
);
1019 static void zvni_print_dad_neigh_hash_detail(struct hash_bucket
*bucket
,
1024 nbr
= (zebra_neigh_t
*)bucket
->data
;
1028 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
))
1029 zvni_print_neigh_hash_detail(bucket
, ctxt
);
1033 * Print neighbors for all VNIs in detail.
1035 static void zvni_print_neigh_hash_all_vni_detail(struct hash_bucket
*bucket
,
1039 json_object
*json
= NULL
, *json_vni
= NULL
;
1042 struct neigh_walk_ctx wctx
;
1043 char vni_str
[VNI_STR_LEN
];
1046 vty
= (struct vty
*)args
[0];
1047 json
= (json_object
*)args
[1];
1048 print_dup
= (uint32_t)(uintptr_t)args
[2];
1050 zvni
= (zebra_vni_t
*)bucket
->data
;
1053 vty_out(vty
, "{}\n");
1056 num_neigh
= hashcount(zvni
->neigh_table
);
1058 if (print_dup
&& num_dup_detected_neighs(zvni
) == 0)
1063 "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n",
1064 zvni
->vni
, num_neigh
);
1066 json_vni
= json_object_new_object();
1067 json_object_int_add(json_vni
, "numArpNd", num_neigh
);
1068 snprintf(vni_str
, VNI_STR_LEN
, "%u", zvni
->vni
);
1072 json_object_object_add(json
, vni_str
, json_vni
);
1076 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
1079 wctx
.addr_width
= 15;
1080 wctx
.json
= json_vni
;
1083 hash_iterate(zvni
->neigh_table
,
1084 zvni_print_dad_neigh_hash_detail
, &wctx
);
1086 hash_iterate(zvni
->neigh_table
, zvni_print_neigh_hash_detail
,
1090 json_object_object_add(json
, vni_str
, json_vni
);
1093 /* print a specific next hop for an l3vni */
1094 static void zl3vni_print_nh(zebra_neigh_t
*n
, struct vty
*vty
,
1097 char buf1
[ETHER_ADDR_STRLEN
];
1098 char buf2
[INET6_ADDRSTRLEN
];
1099 json_object
*json_hosts
= NULL
;
1100 struct host_rb_entry
*hle
;
1103 vty_out(vty
, "Ip: %s\n",
1104 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)));
1105 vty_out(vty
, " RMAC: %s\n",
1106 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
)));
1107 vty_out(vty
, " Refcount: %d\n",
1108 rb_host_count(&n
->host_rb
));
1109 vty_out(vty
, " Prefixes:\n");
1110 RB_FOREACH (hle
, host_rb_tree_entry
, &n
->host_rb
)
1111 vty_out(vty
, " %s\n",
1112 prefix2str(&hle
->p
, buf2
, sizeof(buf2
)));
1114 json_hosts
= json_object_new_array();
1115 json_object_string_add(
1116 json
, "ip", ipaddr2str(&(n
->ip
), buf2
, sizeof(buf2
)));
1117 json_object_string_add(
1119 prefix_mac2str(&n
->emac
, buf2
, sizeof(buf2
)));
1120 json_object_int_add(json
, "refCount",
1121 rb_host_count(&n
->host_rb
));
1122 RB_FOREACH (hle
, host_rb_tree_entry
, &n
->host_rb
)
1123 json_object_array_add(json_hosts
,
1124 json_object_new_string(prefix2str(
1125 &hle
->p
, buf2
, sizeof(buf2
))));
1126 json_object_object_add(json
, "prefixList", json_hosts
);
1130 /* Print a specific RMAC entry */
1131 static void zl3vni_print_rmac(zebra_mac_t
*zrmac
, struct vty
*vty
,
1134 char buf1
[ETHER_ADDR_STRLEN
];
1135 char buf2
[PREFIX_STRLEN
];
1136 json_object
*json_hosts
= NULL
;
1137 struct host_rb_entry
*hle
;
1140 vty_out(vty
, "MAC: %s\n",
1141 prefix_mac2str(&zrmac
->macaddr
, buf1
, sizeof(buf1
)));
1142 vty_out(vty
, " Remote VTEP: %s\n",
1143 inet_ntoa(zrmac
->fwd_info
.r_vtep_ip
));
1144 vty_out(vty
, " Refcount: %d\n", rb_host_count(&zrmac
->host_rb
));
1145 vty_out(vty
, " Prefixes:\n");
1146 RB_FOREACH (hle
, host_rb_tree_entry
, &zrmac
->host_rb
)
1147 vty_out(vty
, " %s\n",
1148 prefix2str(&hle
->p
, buf2
, sizeof(buf2
)));
1150 json_hosts
= json_object_new_array();
1151 json_object_string_add(
1153 prefix_mac2str(&zrmac
->macaddr
, buf1
, sizeof(buf1
)));
1154 json_object_string_add(json
, "vtepIp",
1155 inet_ntoa(zrmac
->fwd_info
.r_vtep_ip
));
1156 json_object_int_add(json
, "refCount",
1157 rb_host_count(&zrmac
->host_rb
));
1158 json_object_int_add(json
, "localSequence", zrmac
->loc_seq
);
1159 json_object_int_add(json
, "remoteSequence", zrmac
->rem_seq
);
1160 RB_FOREACH (hle
, host_rb_tree_entry
, &zrmac
->host_rb
)
1161 json_object_array_add(
1163 json_object_new_string(prefix2str(
1164 &hle
->p
, buf2
, sizeof(buf2
))));
1165 json_object_object_add(json
, "prefixList", json_hosts
);
1170 * Print a specific MAC entry.
1172 static void zvni_print_mac(zebra_mac_t
*mac
, void *ctxt
, json_object
*json
)
1175 zebra_neigh_t
*n
= NULL
;
1176 struct listnode
*node
= NULL
;
1177 char buf1
[ETHER_ADDR_STRLEN
];
1178 char buf2
[INET6_ADDRSTRLEN
];
1179 struct zebra_vrf
*zvrf
;
1180 struct timeval detect_start_time
= {0, 0};
1181 char timebuf
[MONOTIME_STRLEN
];
1183 zvrf
= zebra_vrf_get_evpn();
1187 vty
= (struct vty
*)ctxt
;
1188 prefix_mac2str(&mac
->macaddr
, buf1
, sizeof(buf1
));
1191 json_object
*json_mac
= json_object_new_object();
1193 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
1194 struct zebra_ns
*zns
;
1195 struct interface
*ifp
;
1198 ifindex
= mac
->fwd_info
.local
.ifindex
;
1199 zns
= zebra_ns_lookup(NS_DEFAULT
);
1200 ifp
= if_lookup_by_index_per_ns(zns
, ifindex
);
1203 json_object_string_add(json_mac
, "type", "local");
1204 json_object_string_add(json_mac
, "intf", ifp
->name
);
1205 json_object_int_add(json_mac
, "ifindex", ifindex
);
1206 if (mac
->fwd_info
.local
.vid
)
1207 json_object_int_add(json_mac
, "vlan",
1208 mac
->fwd_info
.local
.vid
);
1209 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
1210 json_object_string_add(json_mac
, "type", "remote");
1211 json_object_string_add(
1212 json_mac
, "remoteVtep",
1213 inet_ntoa(mac
->fwd_info
.r_vtep_ip
));
1214 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
))
1215 json_object_string_add(json_mac
, "type", "auto");
1217 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
))
1218 json_object_boolean_true_add(json_mac
, "stickyMac");
1220 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
))
1221 json_object_boolean_true_add(json_mac
,
1224 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE_DEF_GW
))
1225 json_object_boolean_true_add(json_mac
,
1226 "remoteGatewayMac");
1228 json_object_int_add(json_mac
, "localSequence", mac
->loc_seq
);
1229 json_object_int_add(json_mac
, "remoteSequence", mac
->rem_seq
);
1231 json_object_int_add(json_mac
, "detectionCount", mac
->dad_count
);
1232 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
1233 json_object_boolean_true_add(json_mac
, "isDuplicate");
1235 json_object_boolean_false_add(json_mac
, "isDuplicate");
1237 /* print all the associated neigh */
1238 if (!listcount(mac
->neigh_list
))
1239 json_object_string_add(json_mac
, "neighbors", "none");
1241 json_object
*json_active_nbrs
= json_object_new_array();
1242 json_object
*json_inactive_nbrs
=
1243 json_object_new_array();
1244 json_object
*json_nbrs
= json_object_new_object();
1246 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, n
)) {
1247 if (IS_ZEBRA_NEIGH_ACTIVE(n
))
1248 json_object_array_add(
1250 json_object_new_string(
1255 json_object_array_add(
1257 json_object_new_string(
1263 json_object_object_add(json_nbrs
, "active",
1265 json_object_object_add(json_nbrs
, "inactive",
1266 json_inactive_nbrs
);
1267 json_object_object_add(json_mac
, "neighbors",
1271 json_object_object_add(json
, buf1
, json_mac
);
1273 vty_out(vty
, "MAC: %s\n", buf1
);
1275 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
1276 struct zebra_ns
*zns
;
1277 struct interface
*ifp
;
1280 ifindex
= mac
->fwd_info
.local
.ifindex
;
1281 zns
= zebra_ns_lookup(NS_DEFAULT
);
1282 ifp
= if_lookup_by_index_per_ns(zns
, ifindex
);
1285 vty_out(vty
, " Intf: %s(%u)", ifp
->name
, ifindex
);
1286 if (mac
->fwd_info
.local
.vid
)
1287 vty_out(vty
, " VLAN: %u",
1288 mac
->fwd_info
.local
.vid
);
1289 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
1290 vty_out(vty
, " Remote VTEP: %s",
1291 inet_ntoa(mac
->fwd_info
.r_vtep_ip
));
1292 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
)) {
1293 vty_out(vty
, " Auto Mac ");
1296 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
))
1297 vty_out(vty
, " Sticky Mac ");
1299 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
))
1300 vty_out(vty
, " Default-gateway Mac ");
1302 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE_DEF_GW
))
1303 vty_out(vty
, " Remote-gateway Mac ");
1306 vty_out(vty
, " Local Seq: %u Remote Seq: %u", mac
->loc_seq
,
1310 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
)) {
1311 vty_out(vty
, " Duplicate, detected at %s",
1312 time_to_string(mac
->dad_dup_detect_time
,
1314 } else if (mac
->dad_count
) {
1315 monotime_since(&mac
->detect_start_time
,
1316 &detect_start_time
);
1317 if (detect_start_time
.tv_sec
<= zvrf
->dad_time
) {
1318 time_to_string(mac
->detect_start_time
.tv_sec
,
1321 " Duplicate detection started at %s, detection count %u\n",
1322 timebuf
, mac
->dad_count
);
1326 /* print all the associated neigh */
1327 vty_out(vty
, " Neighbors:\n");
1328 if (!listcount(mac
->neigh_list
))
1329 vty_out(vty
, " No Neighbors\n");
1331 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, n
)) {
1332 vty_out(vty
, " %s %s\n",
1333 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)),
1334 (IS_ZEBRA_NEIGH_ACTIVE(n
)
1345 * Print MAC hash entry - called for display of all MACs.
1347 static void zvni_print_mac_hash(struct hash_bucket
*bucket
, void *ctxt
)
1350 json_object
*json_mac_hdr
= NULL
, *json_mac
= NULL
;
1352 char buf1
[ETHER_ADDR_STRLEN
];
1353 struct mac_walk_ctx
*wctx
= ctxt
;
1356 json_mac_hdr
= wctx
->json
;
1357 mac
= (zebra_mac_t
*)bucket
->data
;
1359 prefix_mac2str(&mac
->macaddr
, buf1
, sizeof(buf1
));
1362 json_mac
= json_object_new_object();
1364 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
1365 struct zebra_ns
*zns
;
1367 struct interface
*ifp
;
1370 if (wctx
->flags
& SHOW_REMOTE_MAC_FROM_VTEP
)
1373 zns
= zebra_ns_lookup(NS_DEFAULT
);
1374 ifindex
= mac
->fwd_info
.local
.ifindex
;
1375 ifp
= if_lookup_by_index_per_ns(zns
, ifindex
);
1376 if (!ifp
) // unexpected
1378 vid
= mac
->fwd_info
.local
.vid
;
1379 if (json_mac_hdr
== NULL
)
1380 vty_out(vty
, "%-17s %-6s %-21s", buf1
, "local",
1383 json_object_string_add(json_mac
, "type", "local");
1384 json_object_string_add(json_mac
, "intf", ifp
->name
);
1387 if (json_mac_hdr
== NULL
)
1388 vty_out(vty
, " %-5u", vid
);
1390 json_object_int_add(json_mac
, "vlan", vid
);
1391 } else /* No vid? fill out the space */
1392 if (json_mac_hdr
== NULL
)
1393 vty_out(vty
, " %-5s", "");
1394 if (json_mac_hdr
== NULL
) {
1395 vty_out(vty
, " %u/%u", mac
->loc_seq
, mac
->rem_seq
);
1398 json_object_int_add(json_mac
, "localSequence",
1400 json_object_int_add(json_mac
, "remoteSequence",
1402 json_object_int_add(json_mac
, "detectionCount",
1404 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
1405 json_object_boolean_true_add(json_mac
,
1408 json_object_boolean_false_add(json_mac
,
1410 json_object_object_add(json_mac_hdr
, buf1
, json_mac
);
1415 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
1417 if ((wctx
->flags
& SHOW_REMOTE_MAC_FROM_VTEP
) &&
1418 !IPV4_ADDR_SAME(&mac
->fwd_info
.r_vtep_ip
,
1422 if (json_mac_hdr
== NULL
) {
1423 if ((wctx
->flags
& SHOW_REMOTE_MAC_FROM_VTEP
) &&
1424 (wctx
->count
== 0)) {
1425 vty_out(vty
, "\nVNI %u\n\n", wctx
->zvni
->vni
);
1426 vty_out(vty
, "%-17s %-6s %-21s %-5s %s\n",
1427 "MAC", "Type", "Intf/Remote VTEP",
1430 vty_out(vty
, "%-17s %-6s %-21s %-5s %u/%u\n", buf1
,
1431 "remote", inet_ntoa(mac
->fwd_info
.r_vtep_ip
),
1432 "", mac
->loc_seq
, mac
->rem_seq
);
1434 json_object_string_add(json_mac
, "type", "remote");
1435 json_object_string_add(json_mac
, "remoteVtep",
1436 inet_ntoa(mac
->fwd_info
.r_vtep_ip
));
1437 json_object_object_add(json_mac_hdr
, buf1
, json_mac
);
1438 json_object_int_add(json_mac
, "localSequence",
1440 json_object_int_add(json_mac
, "remoteSequence",
1442 json_object_int_add(json_mac
, "detectionCount",
1444 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
1445 json_object_boolean_true_add(json_mac
,
1448 json_object_boolean_false_add(json_mac
,
1457 /* Print Duplicate MAC */
1458 static void zvni_print_dad_mac_hash(struct hash_bucket
*bucket
, void *ctxt
)
1462 mac
= (zebra_mac_t
*)bucket
->data
;
1466 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
1467 zvni_print_mac_hash(bucket
, ctxt
);
1471 * Print MAC hash entry in detail - called for display of all MACs.
1473 static void zvni_print_mac_hash_detail(struct hash_bucket
*bucket
, void *ctxt
)
1476 json_object
*json_mac_hdr
= NULL
;
1478 struct mac_walk_ctx
*wctx
= ctxt
;
1479 char buf1
[ETHER_ADDR_STRLEN
];
1482 json_mac_hdr
= wctx
->json
;
1483 mac
= (zebra_mac_t
*)bucket
->data
;
1488 prefix_mac2str(&mac
->macaddr
, buf1
, sizeof(buf1
));
1490 zvni_print_mac(mac
, vty
, json_mac_hdr
);
1493 /* Print Duplicate MAC in detail */
1494 static void zvni_print_dad_mac_hash_detail(struct hash_bucket
*bucket
,
1499 mac
= (zebra_mac_t
*)bucket
->data
;
1503 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
1504 zvni_print_mac_hash_detail(bucket
, ctxt
);
1508 * Print MACs for all VNI.
1510 static void zvni_print_mac_hash_all_vni(struct hash_bucket
*bucket
, void *ctxt
)
1513 json_object
*json
= NULL
, *json_vni
= NULL
;
1514 json_object
*json_mac
= NULL
;
1517 struct mac_walk_ctx
*wctx
= ctxt
;
1518 char vni_str
[VNI_STR_LEN
];
1520 vty
= (struct vty
*)wctx
->vty
;
1521 json
= (struct json_object
*)wctx
->json
;
1523 zvni
= (zebra_vni_t
*)bucket
->data
;
1526 /*We are iterating over a new VNI, set the count to 0*/
1529 num_macs
= num_valid_macs(zvni
);
1533 if (wctx
->print_dup
)
1534 num_macs
= num_dup_detected_macs(zvni
);
1537 json_vni
= json_object_new_object();
1538 json_mac
= json_object_new_object();
1539 snprintf(vni_str
, VNI_STR_LEN
, "%u", zvni
->vni
);
1542 if (!CHECK_FLAG(wctx
->flags
, SHOW_REMOTE_MAC_FROM_VTEP
)) {
1544 vty_out(vty
, "\nVNI %u #MACs (local and remote) %u\n\n",
1545 zvni
->vni
, num_macs
);
1546 vty_out(vty
, "%-17s %-6s %-21s %-5s %s\n", "MAC",
1547 "Type", "Intf/Remote VTEP", "VLAN", "Seq #'s");
1549 json_object_int_add(json_vni
, "numMacs", num_macs
);
1554 json_object_int_add(json_vni
, "numMacs", num_macs
);
1555 json_object_object_add(json
, vni_str
, json_vni
);
1560 /* assign per-vni to wctx->json object to fill macs
1561 * under the vni. Re-assign primary json object to fill
1562 * next vni information.
1564 wctx
->json
= json_mac
;
1565 if (wctx
->print_dup
)
1566 hash_iterate(zvni
->mac_table
, zvni_print_dad_mac_hash
, wctx
);
1568 hash_iterate(zvni
->mac_table
, zvni_print_mac_hash
, wctx
);
1572 json_object_object_add(json_vni
, "macs", json_mac
);
1573 json_object_object_add(json
, vni_str
, json_vni
);
1578 * Print MACs in detail for all VNI.
1580 static void zvni_print_mac_hash_all_vni_detail(struct hash_bucket
*bucket
,
1584 json_object
*json
= NULL
, *json_vni
= NULL
;
1585 json_object
*json_mac
= NULL
;
1588 struct mac_walk_ctx
*wctx
= ctxt
;
1589 char vni_str
[VNI_STR_LEN
];
1591 vty
= (struct vty
*)wctx
->vty
;
1592 json
= (struct json_object
*)wctx
->json
;
1594 zvni
= (zebra_vni_t
*)bucket
->data
;
1597 vty_out(vty
, "{}\n");
1602 /*We are iterating over a new VNI, set the count to 0*/
1605 num_macs
= num_valid_macs(zvni
);
1609 if (wctx
->print_dup
&& (num_dup_detected_macs(zvni
) == 0))
1613 json_vni
= json_object_new_object();
1614 json_mac
= json_object_new_object();
1615 snprintf(vni_str
, VNI_STR_LEN
, "%u", zvni
->vni
);
1618 if (!CHECK_FLAG(wctx
->flags
, SHOW_REMOTE_MAC_FROM_VTEP
)) {
1620 vty_out(vty
, "\nVNI %u #MACs (local and remote) %u\n\n",
1621 zvni
->vni
, num_macs
);
1623 json_object_int_add(json_vni
, "numMacs", num_macs
);
1625 /* assign per-vni to wctx->json object to fill macs
1626 * under the vni. Re-assign primary json object to fill
1627 * next vni information.
1629 wctx
->json
= json_mac
;
1630 if (wctx
->print_dup
)
1631 hash_iterate(zvni
->mac_table
, zvni_print_dad_mac_hash_detail
,
1634 hash_iterate(zvni
->mac_table
, zvni_print_mac_hash_detail
, wctx
);
1638 json_object_object_add(json_vni
, "macs", json_mac
);
1639 json_object_object_add(json
, vni_str
, json_vni
);
1643 static void zl3vni_print_nh_hash(struct hash_bucket
*bucket
, void *ctx
)
1645 struct nh_walk_ctx
*wctx
= NULL
;
1646 struct vty
*vty
= NULL
;
1647 struct json_object
*json_vni
= NULL
;
1648 struct json_object
*json_nh
= NULL
;
1649 zebra_neigh_t
*n
= NULL
;
1650 char buf1
[ETHER_ADDR_STRLEN
];
1651 char buf2
[INET6_ADDRSTRLEN
];
1653 wctx
= (struct nh_walk_ctx
*)ctx
;
1655 json_vni
= wctx
->json
;
1657 json_nh
= json_object_new_object();
1658 n
= (zebra_neigh_t
*)bucket
->data
;
1661 vty_out(vty
, "%-15s %-17s\n",
1662 ipaddr2str(&(n
->ip
), buf2
, sizeof(buf2
)),
1663 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
)));
1665 json_object_string_add(json_nh
, "nexthopIp",
1666 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)));
1667 json_object_string_add(
1668 json_nh
, "routerMac",
1669 prefix_mac2str(&n
->emac
, buf1
, sizeof(buf1
)));
1670 json_object_object_add(json_vni
,
1671 ipaddr2str(&(n
->ip
), buf2
, sizeof(buf2
)),
1676 static void zl3vni_print_nh_hash_all_vni(struct hash_bucket
*bucket
,
1679 struct vty
*vty
= NULL
;
1680 json_object
*json
= NULL
;
1681 json_object
*json_vni
= NULL
;
1682 zebra_l3vni_t
*zl3vni
= NULL
;
1683 uint32_t num_nh
= 0;
1684 struct nh_walk_ctx wctx
;
1685 char vni_str
[VNI_STR_LEN
];
1687 vty
= (struct vty
*)args
[0];
1688 json
= (struct json_object
*)args
[1];
1690 zl3vni
= (zebra_l3vni_t
*)bucket
->data
;
1692 num_nh
= hashcount(zl3vni
->nh_table
);
1697 json_vni
= json_object_new_object();
1698 snprintf(vni_str
, VNI_STR_LEN
, "%u", zl3vni
->vni
);
1702 vty_out(vty
, "\nVNI %u #Next-Hops %u\n\n", zl3vni
->vni
, num_nh
);
1703 vty_out(vty
, "%-15s %-17s\n", "IP", "RMAC");
1705 json_object_int_add(json_vni
, "numNextHops", num_nh
);
1707 memset(&wctx
, 0, sizeof(struct nh_walk_ctx
));
1709 wctx
.json
= json_vni
;
1710 hash_iterate(zl3vni
->nh_table
, zl3vni_print_nh_hash
, &wctx
);
1712 json_object_object_add(json
, vni_str
, json_vni
);
1715 static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket
*bucket
,
1718 struct vty
*vty
= NULL
;
1719 json_object
*json
= NULL
;
1720 json_object
*json_vni
= NULL
;
1721 zebra_l3vni_t
*zl3vni
= NULL
;
1723 struct rmac_walk_ctx wctx
;
1724 char vni_str
[VNI_STR_LEN
];
1726 vty
= (struct vty
*)args
[0];
1727 json
= (struct json_object
*)args
[1];
1729 zl3vni
= (zebra_l3vni_t
*)bucket
->data
;
1731 num_rmacs
= hashcount(zl3vni
->rmac_table
);
1736 json_vni
= json_object_new_object();
1737 snprintf(vni_str
, VNI_STR_LEN
, "%u", zl3vni
->vni
);
1741 vty_out(vty
, "\nVNI %u #RMACs %u\n\n", zl3vni
->vni
, num_rmacs
);
1742 vty_out(vty
, "%-17s %-21s\n", "RMAC", "Remote VTEP");
1744 json_object_int_add(json_vni
, "numRmacs", num_rmacs
);
1746 /* assign per-vni to wctx->json object to fill macs
1747 * under the vni. Re-assign primary json object to fill
1748 * next vni information.
1750 memset(&wctx
, 0, sizeof(struct rmac_walk_ctx
));
1752 wctx
.json
= json_vni
;
1753 hash_iterate(zl3vni
->rmac_table
, zl3vni_print_rmac_hash
, &wctx
);
1755 json_object_object_add(json
, vni_str
, json_vni
);
1758 static void zl3vni_print_rmac_hash(struct hash_bucket
*bucket
, void *ctx
)
1760 zebra_mac_t
*zrmac
= NULL
;
1761 struct rmac_walk_ctx
*wctx
= NULL
;
1762 struct vty
*vty
= NULL
;
1763 struct json_object
*json
= NULL
;
1764 struct json_object
*json_rmac
= NULL
;
1765 char buf
[ETHER_ADDR_STRLEN
];
1767 wctx
= (struct rmac_walk_ctx
*)ctx
;
1771 json_rmac
= json_object_new_object();
1772 zrmac
= (zebra_mac_t
*)bucket
->data
;
1775 vty_out(vty
, "%-17s %-21s\n",
1776 prefix_mac2str(&zrmac
->macaddr
, buf
, sizeof(buf
)),
1777 inet_ntoa(zrmac
->fwd_info
.r_vtep_ip
));
1779 json_object_string_add(
1780 json_rmac
, "routerMac",
1781 prefix_mac2str(&zrmac
->macaddr
, buf
, sizeof(buf
)));
1782 json_object_string_add(json_rmac
, "vtepIp",
1783 inet_ntoa(zrmac
->fwd_info
.r_vtep_ip
));
1784 json_object_object_add(
1785 json
, prefix_mac2str(&zrmac
->macaddr
, buf
, sizeof(buf
)),
1790 /* print a specific L3 VNI entry */
1791 static void zl3vni_print(zebra_l3vni_t
*zl3vni
, void **ctx
)
1793 char buf
[ETHER_ADDR_STRLEN
];
1794 struct vty
*vty
= NULL
;
1795 json_object
*json
= NULL
;
1796 zebra_vni_t
*zvni
= NULL
;
1797 json_object
*json_vni_list
= NULL
;
1798 struct listnode
*node
= NULL
, *nnode
= NULL
;
1804 vty_out(vty
, "VNI: %u\n", zl3vni
->vni
);
1805 vty_out(vty
, " Type: %s\n", "L3");
1806 vty_out(vty
, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni
));
1807 vty_out(vty
, " Local Vtep Ip: %s\n",
1808 inet_ntoa(zl3vni
->local_vtep_ip
));
1809 vty_out(vty
, " Vxlan-Intf: %s\n",
1810 zl3vni_vxlan_if_name(zl3vni
));
1811 vty_out(vty
, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni
));
1812 vty_out(vty
, " State: %s\n", zl3vni_state2str(zl3vni
));
1813 vty_out(vty
, " VNI Filter: %s\n",
1814 CHECK_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
)
1815 ? "prefix-routes-only"
1817 vty_out(vty
, " Router MAC: %s\n",
1818 zl3vni_rmac2str(zl3vni
, buf
, sizeof(buf
)));
1819 vty_out(vty
, " L2 VNIs: ");
1820 for (ALL_LIST_ELEMENTS(zl3vni
->l2vnis
, node
, nnode
, zvni
))
1821 vty_out(vty
, "%u ", zvni
->vni
);
1824 json_vni_list
= json_object_new_array();
1825 json_object_int_add(json
, "vni", zl3vni
->vni
);
1826 json_object_string_add(json
, "type", "L3");
1827 json_object_string_add(json
, "localVtepIp",
1828 inet_ntoa(zl3vni
->local_vtep_ip
));
1829 json_object_string_add(json
, "vxlanIntf",
1830 zl3vni_vxlan_if_name(zl3vni
));
1831 json_object_string_add(json
, "sviIntf",
1832 zl3vni_svi_if_name(zl3vni
));
1833 json_object_string_add(json
, "state", zl3vni_state2str(zl3vni
));
1834 json_object_string_add(json
, "vrf", zl3vni_vrf_name(zl3vni
));
1835 json_object_string_add(
1837 zl3vni_rmac2str(zl3vni
, buf
, sizeof(buf
)));
1838 json_object_string_add(
1840 CHECK_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
)
1841 ? "prefix-routes-only"
1843 for (ALL_LIST_ELEMENTS(zl3vni
->l2vnis
, node
, nnode
, zvni
)) {
1844 json_object_array_add(json_vni_list
,
1845 json_object_new_int(zvni
->vni
));
1847 json_object_object_add(json
, "l2Vnis", json_vni_list
);
1852 * Print a specific VNI entry.
1854 static void zvni_print(zebra_vni_t
*zvni
, void **ctxt
)
1857 zebra_vtep_t
*zvtep
;
1860 json_object
*json
= NULL
;
1861 json_object
*json_vtep_list
= NULL
;
1862 json_object
*json_ip_str
= NULL
;
1868 vty_out(vty
, "VNI: %u\n", zvni
->vni
);
1869 vty_out(vty
, " Type: %s\n", "L2");
1870 vty_out(vty
, " Tenant VRF: %s\n", vrf_id_to_name(zvni
->vrf_id
));
1872 json_object_int_add(json
, "vni", zvni
->vni
);
1873 json_object_string_add(json
, "type", "L2");
1874 json_object_string_add(json
, "vrf",
1875 vrf_id_to_name(zvni
->vrf_id
));
1878 if (!zvni
->vxlan_if
) { // unexpected
1880 vty_out(vty
, " VxLAN interface: unknown\n");
1883 num_macs
= num_valid_macs(zvni
);
1884 num_neigh
= hashcount(zvni
->neigh_table
);
1886 vty_out(vty
, " VxLAN interface: %s\n", zvni
->vxlan_if
->name
);
1887 vty_out(vty
, " VxLAN ifIndex: %u\n", zvni
->vxlan_if
->ifindex
);
1888 vty_out(vty
, " Local VTEP IP: %s\n",
1889 inet_ntoa(zvni
->local_vtep_ip
));
1890 vty_out(vty
, " Mcast group: %s\n",
1891 inet_ntoa(zvni
->mcast_grp
));
1893 json_object_string_add(json
, "vxlanInterface",
1894 zvni
->vxlan_if
->name
);
1895 json_object_int_add(json
, "ifindex", zvni
->vxlan_if
->ifindex
);
1896 json_object_string_add(json
, "vtepIp",
1897 inet_ntoa(zvni
->local_vtep_ip
));
1898 json_object_string_add(json
, "mcastGroup",
1899 inet_ntoa(zvni
->mcast_grp
));
1900 json_object_string_add(json
, "advertiseGatewayMacip",
1901 zvni
->advertise_gw_macip
? "Yes" : "No");
1902 json_object_int_add(json
, "numMacs", num_macs
);
1903 json_object_int_add(json
, "numArpNd", num_neigh
);
1907 vty_out(vty
, " No remote VTEPs known for this VNI\n");
1910 vty_out(vty
, " Remote VTEPs for this VNI:\n");
1912 json_vtep_list
= json_object_new_array();
1913 for (zvtep
= zvni
->vteps
; zvtep
; zvtep
= zvtep
->next
) {
1914 const char *flood_str
= lookup_msg(zvtep_flood_str
,
1915 zvtep
->flood_control
,
1916 VXLAN_FLOOD_STR_DEFAULT
);
1919 vty_out(vty
, " %s flood: %s\n",
1920 inet_ntoa(zvtep
->vtep_ip
),
1923 json_ip_str
= json_object_new_string(
1924 inet_ntoa(zvtep
->vtep_ip
));
1925 json_object_array_add(json_vtep_list
,
1930 json_object_object_add(json
, "numRemoteVteps",
1935 " Number of MACs (local and remote) known for this VNI: %u\n",
1938 " Number of ARPs (IPv4 and IPv6, local and remote) "
1939 "known for this VNI: %u\n",
1941 vty_out(vty
, " Advertise-gw-macip: %s\n",
1942 zvni
->advertise_gw_macip
? "Yes" : "No");
1946 /* print a L3 VNI hash entry */
1947 static void zl3vni_print_hash(struct hash_bucket
*bucket
, void *ctx
[])
1949 struct vty
*vty
= NULL
;
1950 json_object
*json
= NULL
;
1951 json_object
*json_vni
= NULL
;
1952 zebra_l3vni_t
*zl3vni
= NULL
;
1954 vty
= (struct vty
*)ctx
[0];
1955 json
= (json_object
*)ctx
[1];
1957 zl3vni
= (zebra_l3vni_t
*)bucket
->data
;
1960 vty_out(vty
, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n",
1961 zl3vni
->vni
, "L3", zl3vni_vxlan_if_name(zl3vni
),
1962 hashcount(zl3vni
->rmac_table
),
1963 hashcount(zl3vni
->nh_table
), "n/a",
1964 zl3vni_vrf_name(zl3vni
));
1966 char vni_str
[VNI_STR_LEN
];
1968 snprintf(vni_str
, VNI_STR_LEN
, "%u", zl3vni
->vni
);
1969 json_vni
= json_object_new_object();
1970 json_object_int_add(json_vni
, "vni", zl3vni
->vni
);
1971 json_object_string_add(json_vni
, "vxlanIf",
1972 zl3vni_vxlan_if_name(zl3vni
));
1973 json_object_int_add(json_vni
, "numMacs",
1974 hashcount(zl3vni
->rmac_table
));
1975 json_object_int_add(json_vni
, "numArpNd",
1976 hashcount(zl3vni
->nh_table
));
1977 json_object_string_add(json_vni
, "numRemoteVteps", "n/a");
1978 json_object_string_add(json_vni
, "type", "L3");
1979 json_object_string_add(json_vni
, "tenantVrf",
1980 zl3vni_vrf_name(zl3vni
));
1981 json_object_object_add(json
, vni_str
, json_vni
);
1985 /* Private Structure to pass callback data for hash iterator */
1986 struct zvni_evpn_show
{
1989 struct zebra_vrf
*zvrf
;
1992 /* print a L3 VNI hash entry in detail*/
1993 static void zl3vni_print_hash_detail(struct hash_bucket
*bucket
, void *data
)
1995 struct vty
*vty
= NULL
;
1996 zebra_l3vni_t
*zl3vni
= NULL
;
1997 json_object
*json
= NULL
;
1998 bool use_json
= false;
1999 struct zvni_evpn_show
*zes
= data
;
2007 zl3vni
= (zebra_l3vni_t
*)bucket
->data
;
2009 zebra_vxlan_print_vni(vty
, zes
->zvrf
, zl3vni
->vni
, use_json
);
2015 * Print a VNI hash entry - called for display of all VNIs.
2017 static void zvni_print_hash(struct hash_bucket
*bucket
, void *ctxt
[])
2021 zebra_vtep_t
*zvtep
;
2022 uint32_t num_vteps
= 0;
2023 uint32_t num_macs
= 0;
2024 uint32_t num_neigh
= 0;
2025 json_object
*json
= NULL
;
2026 json_object
*json_vni
= NULL
;
2027 json_object
*json_ip_str
= NULL
;
2028 json_object
*json_vtep_list
= NULL
;
2033 zvni
= (zebra_vni_t
*)bucket
->data
;
2035 zvtep
= zvni
->vteps
;
2038 zvtep
= zvtep
->next
;
2041 num_macs
= num_valid_macs(zvni
);
2042 num_neigh
= hashcount(zvni
->neigh_table
);
2044 vty_out(vty
, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n",
2046 zvni
->vxlan_if
? zvni
->vxlan_if
->name
: "unknown",
2047 num_macs
, num_neigh
, num_vteps
,
2048 vrf_id_to_name(zvni
->vrf_id
));
2050 char vni_str
[VNI_STR_LEN
];
2051 snprintf(vni_str
, VNI_STR_LEN
, "%u", zvni
->vni
);
2052 json_vni
= json_object_new_object();
2053 json_object_int_add(json_vni
, "vni", zvni
->vni
);
2054 json_object_string_add(json_vni
, "type", "L2");
2055 json_object_string_add(json_vni
, "vxlanIf",
2056 zvni
->vxlan_if
? zvni
->vxlan_if
->name
2058 json_object_int_add(json_vni
, "numMacs", num_macs
);
2059 json_object_int_add(json_vni
, "numArpNd", num_neigh
);
2060 json_object_int_add(json_vni
, "numRemoteVteps", num_vteps
);
2061 json_object_string_add(json_vni
, "tenantVrf",
2062 vrf_id_to_name(zvni
->vrf_id
));
2064 json_vtep_list
= json_object_new_array();
2065 for (zvtep
= zvni
->vteps
; zvtep
; zvtep
= zvtep
->next
) {
2066 json_ip_str
= json_object_new_string(
2067 inet_ntoa(zvtep
->vtep_ip
));
2068 json_object_array_add(json_vtep_list
,
2071 json_object_object_add(json_vni
, "remoteVteps",
2074 json_object_object_add(json
, vni_str
, json_vni
);
2079 * Print a VNI hash entry in detail - called for display of all VNIs.
2081 static void zvni_print_hash_detail(struct hash_bucket
*bucket
, void *data
)
2085 json_object
*json
= NULL
;
2086 bool use_json
= false;
2087 struct zvni_evpn_show
*zes
= data
;
2095 zvni
= (zebra_vni_t
*)bucket
->data
;
2097 zebra_vxlan_print_vni(vty
, zes
->zvrf
, zvni
->vni
, use_json
);
2102 * Inform BGP about local MACIP.
2104 static int zvni_macip_send_msg_to_client(vni_t vni
, struct ethaddr
*macaddr
,
2105 struct ipaddr
*ip
, uint8_t flags
,
2106 uint32_t seq
, int state
, uint16_t cmd
)
2108 char buf
[ETHER_ADDR_STRLEN
];
2109 char buf2
[INET6_ADDRSTRLEN
];
2111 struct zserv
*client
= NULL
;
2112 struct stream
*s
= NULL
;
2114 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
2115 /* BGP may not be running. */
2119 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
2121 zclient_create_header(s
, cmd
, zebra_vrf_get_evpn_id());
2122 stream_putl(s
, vni
);
2123 stream_put(s
, macaddr
->octet
, ETH_ALEN
);
2126 if (IS_IPADDR_V4(ip
))
2127 ipa_len
= IPV4_MAX_BYTELEN
;
2128 else if (IS_IPADDR_V6(ip
))
2129 ipa_len
= IPV6_MAX_BYTELEN
;
2131 stream_putl(s
, ipa_len
); /* IP address length */
2133 stream_put(s
, &ip
->ip
.addr
, ipa_len
); /* IP address */
2135 stream_putl(s
, 0); /* Just MAC. */
2137 if (cmd
== ZEBRA_MACIP_ADD
) {
2138 stream_putc(s
, flags
); /* sticky mac/gateway mac */
2139 stream_putl(s
, seq
); /* sequence number */
2141 stream_putl(s
, state
); /* state - active/inactive */
2145 /* Write packet size. */
2146 stream_putw_at(s
, 0, stream_get_endp(s
));
2148 if (IS_ZEBRA_DEBUG_VXLAN
)
2150 "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s",
2151 (cmd
== ZEBRA_MACIP_ADD
) ? "Add" : "Del", flags
,
2152 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
2153 ipaddr2str(ip
, buf2
, sizeof(buf2
)), seq
, vni
,
2154 zebra_route_string(client
->proto
));
2156 if (cmd
== ZEBRA_MACIP_ADD
)
2157 client
->macipadd_cnt
++;
2159 client
->macipdel_cnt
++;
2161 return zserv_send_message(client
, s
);
2165 * Make hash key for neighbors.
2167 static unsigned int neigh_hash_keymake(const void *p
)
2169 const zebra_neigh_t
*n
= p
;
2170 const struct ipaddr
*ip
= &n
->ip
;
2172 if (IS_IPADDR_V4(ip
))
2173 return jhash_1word(ip
->ipaddr_v4
.s_addr
, 0);
2175 return jhash2(ip
->ipaddr_v6
.s6_addr32
,
2176 array_size(ip
->ipaddr_v6
.s6_addr32
), 0);
2180 * Compare two neighbor hash structures.
2182 static bool neigh_cmp(const void *p1
, const void *p2
)
2184 const zebra_neigh_t
*n1
= p1
;
2185 const zebra_neigh_t
*n2
= p2
;
2187 if (n1
== NULL
&& n2
== NULL
)
2190 if (n1
== NULL
|| n2
== NULL
)
2193 return (memcmp(&n1
->ip
, &n2
->ip
, sizeof(struct ipaddr
)) == 0);
2196 static int neigh_list_cmp(void *p1
, void *p2
)
2198 const zebra_neigh_t
*n1
= p1
;
2199 const zebra_neigh_t
*n2
= p2
;
2201 return memcmp(&n1
->ip
, &n2
->ip
, sizeof(struct ipaddr
));
2205 * Callback to allocate neighbor hash entry.
2207 static void *zvni_neigh_alloc(void *p
)
2209 const zebra_neigh_t
*tmp_n
= p
;
2212 n
= XCALLOC(MTYPE_NEIGH
, sizeof(zebra_neigh_t
));
2219 * Add neighbor entry.
2221 static zebra_neigh_t
*zvni_neigh_add(zebra_vni_t
*zvni
, struct ipaddr
*ip
,
2222 struct ethaddr
*mac
)
2224 zebra_neigh_t tmp_n
;
2225 zebra_neigh_t
*n
= NULL
;
2226 zebra_mac_t
*zmac
= NULL
;
2228 memset(&tmp_n
, 0, sizeof(zebra_neigh_t
));
2229 memcpy(&tmp_n
.ip
, ip
, sizeof(struct ipaddr
));
2230 n
= hash_get(zvni
->neigh_table
, &tmp_n
, zvni_neigh_alloc
);
2233 memcpy(&n
->emac
, mac
, ETH_ALEN
);
2234 n
->state
= ZEBRA_NEIGH_INACTIVE
;
2236 n
->dad_ip_auto_recovery_timer
= NULL
;
2238 /* Associate the neigh to mac */
2239 zmac
= zvni_mac_lookup(zvni
, mac
);
2241 listnode_add_sort(zmac
->neigh_list
, n
);
2247 * Delete neighbor entry.
2249 static int zvni_neigh_del(zebra_vni_t
*zvni
, zebra_neigh_t
*n
)
2251 zebra_neigh_t
*tmp_n
;
2252 zebra_mac_t
*zmac
= NULL
;
2254 zmac
= zvni_mac_lookup(zvni
, &n
->emac
);
2256 listnode_delete(zmac
->neigh_list
, n
);
2258 /* Cancel auto recovery */
2259 THREAD_OFF(n
->dad_ip_auto_recovery_timer
);
2261 /* Free the VNI hash entry and allocated memory. */
2262 tmp_n
= hash_release(zvni
->neigh_table
, n
);
2263 XFREE(MTYPE_NEIGH
, tmp_n
);
2269 * Free neighbor hash entry (callback)
2271 static void zvni_neigh_del_hash_entry(struct hash_bucket
*bucket
, void *arg
)
2273 struct neigh_walk_ctx
*wctx
= arg
;
2274 zebra_neigh_t
*n
= bucket
->data
;
2276 if (((wctx
->flags
& DEL_LOCAL_NEIGH
) && (n
->flags
& ZEBRA_NEIGH_LOCAL
))
2277 || ((wctx
->flags
& DEL_REMOTE_NEIGH
)
2278 && (n
->flags
& ZEBRA_NEIGH_REMOTE
))
2279 || ((wctx
->flags
& DEL_REMOTE_NEIGH_FROM_VTEP
)
2280 && (n
->flags
& ZEBRA_NEIGH_REMOTE
)
2281 && IPV4_ADDR_SAME(&n
->r_vtep_ip
, &wctx
->r_vtep_ip
))) {
2282 if (wctx
->upd_client
&& (n
->flags
& ZEBRA_NEIGH_LOCAL
))
2283 zvni_neigh_send_del_to_client(wctx
->zvni
->vni
, &n
->ip
,
2284 &n
->emac
, 0, n
->state
);
2286 if (wctx
->uninstall
)
2287 zvni_neigh_uninstall(wctx
->zvni
, n
);
2289 zvni_neigh_del(wctx
->zvni
, n
);
2296 * Delete all neighbor entries from specific VTEP for a particular VNI.
2298 static void zvni_neigh_del_from_vtep(zebra_vni_t
*zvni
, int uninstall
,
2299 struct in_addr
*r_vtep_ip
)
2301 struct neigh_walk_ctx wctx
;
2303 if (!zvni
->neigh_table
)
2306 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
2308 wctx
.uninstall
= uninstall
;
2309 wctx
.flags
= DEL_REMOTE_NEIGH_FROM_VTEP
;
2310 wctx
.r_vtep_ip
= *r_vtep_ip
;
2312 hash_iterate(zvni
->neigh_table
, zvni_neigh_del_hash_entry
, &wctx
);
2316 * Delete all neighbor entries for this VNI.
2318 static void zvni_neigh_del_all(zebra_vni_t
*zvni
, int uninstall
, int upd_client
,
2321 struct neigh_walk_ctx wctx
;
2323 if (!zvni
->neigh_table
)
2326 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
2328 wctx
.uninstall
= uninstall
;
2329 wctx
.upd_client
= upd_client
;
2332 hash_iterate(zvni
->neigh_table
, zvni_neigh_del_hash_entry
, &wctx
);
2336 * Look up neighbor hash entry.
2338 static zebra_neigh_t
*zvni_neigh_lookup(zebra_vni_t
*zvni
, struct ipaddr
*ip
)
2343 memset(&tmp
, 0, sizeof(tmp
));
2344 memcpy(&tmp
.ip
, ip
, sizeof(struct ipaddr
));
2345 n
= hash_lookup(zvni
->neigh_table
, &tmp
);
2351 * Process all neighbors associated with a MAC upon the MAC being learnt
2352 * locally or undergoing any other change (such as sequence number).
2354 static void zvni_process_neigh_on_local_mac_change(zebra_vni_t
*zvni
,
2358 zebra_neigh_t
*n
= NULL
;
2359 struct listnode
*node
= NULL
;
2360 struct zebra_vrf
*zvrf
= NULL
;
2361 char buf
[ETHER_ADDR_STRLEN
];
2363 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
2365 if (IS_ZEBRA_DEBUG_VXLAN
)
2366 zlog_debug("Processing neighbors on local MAC %s %s, VNI %u",
2367 prefix_mac2str(&zmac
->macaddr
, buf
, sizeof(buf
)),
2368 seq_change
? "CHANGE" : "ADD", zvni
->vni
);
2370 /* Walk all neighbors and mark any inactive local neighbors as
2371 * active and/or update sequence number upon a move, and inform BGP.
2372 * The action for remote neighbors is TBD.
2373 * NOTE: We can't simply uninstall remote neighbors as the kernel may
2374 * accidentally end up deleting a just-learnt local neighbor.
2376 for (ALL_LIST_ELEMENTS_RO(zmac
->neigh_list
, node
, n
)) {
2377 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
2378 if (IS_ZEBRA_NEIGH_INACTIVE(n
) || seq_change
) {
2379 ZEBRA_NEIGH_SET_ACTIVE(n
);
2380 n
->loc_seq
= zmac
->loc_seq
;
2381 if (!(zvrf
->dup_addr_detect
&&
2382 zvrf
->dad_freeze
&& !!CHECK_FLAG(n
->flags
,
2383 ZEBRA_NEIGH_DUPLICATE
)))
2384 zvni_neigh_send_add_to_client(
2385 zvni
->vni
, &n
->ip
, &n
->emac
,
2386 n
->flags
, n
->loc_seq
);
2393 * Process all neighbors associated with a local MAC upon the MAC being
2396 static void zvni_process_neigh_on_local_mac_del(zebra_vni_t
*zvni
,
2399 zebra_neigh_t
*n
= NULL
;
2400 struct listnode
*node
= NULL
;
2401 char buf
[ETHER_ADDR_STRLEN
];
2403 if (IS_ZEBRA_DEBUG_VXLAN
)
2404 zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u",
2405 prefix_mac2str(&zmac
->macaddr
, buf
, sizeof(buf
)),
2408 /* Walk all local neighbors and mark as inactive and inform
2410 * TBD: There is currently no handling for remote neighbors. We
2411 * don't expect them to exist, if they do, do we install the MAC
2412 * as a remote MAC and the neighbor as remote?
2414 for (ALL_LIST_ELEMENTS_RO(zmac
->neigh_list
, node
, n
)) {
2415 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
2416 if (IS_ZEBRA_NEIGH_ACTIVE(n
)) {
2417 ZEBRA_NEIGH_SET_INACTIVE(n
);
2419 zvni_neigh_send_del_to_client(zvni
->vni
, &n
->ip
,
2420 &n
->emac
, 0, ZEBRA_NEIGH_ACTIVE
);
2427 * Process all neighbors associated with a MAC upon the MAC being remotely
2430 static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t
*zvni
,
2433 zebra_neigh_t
*n
= NULL
;
2434 struct listnode
*node
= NULL
;
2435 char buf
[ETHER_ADDR_STRLEN
];
2437 if (IS_ZEBRA_DEBUG_VXLAN
)
2438 zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u",
2439 prefix_mac2str(&zmac
->macaddr
, buf
, sizeof(buf
)),
2442 /* Walk all local neighbors and mark as inactive and inform
2445 for (ALL_LIST_ELEMENTS_RO(zmac
->neigh_list
, node
, n
)) {
2446 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
2447 if (IS_ZEBRA_NEIGH_ACTIVE(n
)) {
2448 ZEBRA_NEIGH_SET_INACTIVE(n
);
2450 zvni_neigh_send_del_to_client(zvni
->vni
, &n
->ip
,
2451 &n
->emac
, 0, ZEBRA_NEIGH_ACTIVE
);
2458 * Process all neighbors associated with a remote MAC upon the MAC being
2461 static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t
*zvni
,
2464 /* NOTE: Currently a NO-OP. */
2467 static void zvni_probe_neigh_on_mac_add(zebra_vni_t
*zvni
, zebra_mac_t
*zmac
)
2469 zebra_neigh_t
*nbr
= NULL
;
2470 struct listnode
*node
= NULL
;
2472 for (ALL_LIST_ELEMENTS_RO(zmac
->neigh_list
, node
, nbr
)) {
2473 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
) &&
2474 IS_ZEBRA_NEIGH_INACTIVE(nbr
))
2475 zvni_neigh_probe(zvni
, nbr
);
2480 * Inform BGP about local neighbor addition.
2482 static int zvni_neigh_send_add_to_client(vni_t vni
, struct ipaddr
*ip
,
2483 struct ethaddr
*macaddr
,
2484 uint8_t neigh_flags
,
2489 if (CHECK_FLAG(neigh_flags
, ZEBRA_NEIGH_DEF_GW
))
2490 SET_FLAG(flags
, ZEBRA_MACIP_TYPE_GW
);
2491 /* Set router flag (R-bit) based on local neigh entry add */
2492 if (CHECK_FLAG(neigh_flags
, ZEBRA_NEIGH_ROUTER_FLAG
))
2493 SET_FLAG(flags
, ZEBRA_MACIP_TYPE_ROUTER_FLAG
);
2495 return zvni_macip_send_msg_to_client(vni
, macaddr
, ip
, flags
,
2496 seq
, ZEBRA_NEIGH_ACTIVE
, ZEBRA_MACIP_ADD
);
2500 * Inform BGP about local neighbor deletion.
2502 static int zvni_neigh_send_del_to_client(vni_t vni
, struct ipaddr
*ip
,
2503 struct ethaddr
*macaddr
, uint8_t flags
,
2506 return zvni_macip_send_msg_to_client(vni
, macaddr
, ip
, flags
,
2507 0, state
, ZEBRA_MACIP_DEL
);
2511 * Install remote neighbor into the kernel.
2513 static int zvni_neigh_install(zebra_vni_t
*zvni
, zebra_neigh_t
*n
)
2515 struct zebra_if
*zif
;
2516 struct zebra_l2info_vxlan
*vxl
;
2517 struct interface
*vlan_if
;
2521 if (!(n
->flags
& ZEBRA_NEIGH_REMOTE
))
2524 zif
= zvni
->vxlan_if
->info
;
2527 vxl
= &zif
->l2info
.vxl
;
2529 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
, zif
->brslave_info
.br_if
);
2533 flags
= DPLANE_NTF_EXT_LEARNED
;
2534 if (n
->flags
& ZEBRA_NEIGH_ROUTER_FLAG
)
2535 flags
|= DPLANE_NTF_ROUTER
;
2536 ZEBRA_NEIGH_SET_ACTIVE(n
);
2538 dplane_neigh_add(vlan_if
, &n
->ip
, &n
->emac
, flags
);
2544 * Uninstall remote neighbor from the kernel.
2546 static int zvni_neigh_uninstall(zebra_vni_t
*zvni
, zebra_neigh_t
*n
)
2548 struct zebra_if
*zif
;
2549 struct zebra_l2info_vxlan
*vxl
;
2550 struct interface
*vlan_if
;
2552 if (!(n
->flags
& ZEBRA_NEIGH_REMOTE
))
2555 if (!zvni
->vxlan_if
) {
2556 if (IS_ZEBRA_DEBUG_VXLAN
)
2557 zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf",
2562 zif
= zvni
->vxlan_if
->info
;
2565 vxl
= &zif
->l2info
.vxl
;
2566 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
, zif
->brslave_info
.br_if
);
2570 ZEBRA_NEIGH_SET_INACTIVE(n
);
2573 dplane_neigh_delete(vlan_if
, &n
->ip
);
2579 * Probe neighbor from the kernel.
2581 static int zvni_neigh_probe(zebra_vni_t
*zvni
, zebra_neigh_t
*n
)
2583 struct zebra_if
*zif
;
2584 struct zebra_l2info_vxlan
*vxl
;
2585 struct interface
*vlan_if
;
2587 zif
= zvni
->vxlan_if
->info
;
2590 vxl
= &zif
->l2info
.vxl
;
2592 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
, zif
->brslave_info
.br_if
);
2596 dplane_neigh_update(vlan_if
, &n
->ip
, &n
->emac
);
2602 * Install neighbor hash entry - called upon access VLAN change.
2604 static void zvni_install_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
)
2607 struct neigh_walk_ctx
*wctx
= ctxt
;
2609 n
= (zebra_neigh_t
*)bucket
->data
;
2611 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
))
2612 zvni_neigh_install(wctx
->zvni
, n
);
2615 /* Get the VRR interface for SVI if any */
2616 struct interface
*zebra_get_vrr_intf_for_svi(struct interface
*ifp
)
2618 struct zebra_vrf
*zvrf
= NULL
;
2619 struct interface
*tmp_if
= NULL
;
2620 struct zebra_if
*zif
= NULL
;
2622 zvrf
= vrf_info_lookup(ifp
->vrf_id
);
2625 FOR_ALL_INTERFACES (zvrf
->vrf
, tmp_if
) {
2630 if (!IS_ZEBRA_IF_MACVLAN(tmp_if
))
2633 if (zif
->link
== ifp
)
2640 static int zvni_del_macip_for_intf(struct interface
*ifp
, zebra_vni_t
*zvni
)
2642 struct listnode
*cnode
= NULL
, *cnnode
= NULL
;
2643 struct connected
*c
= NULL
;
2644 struct ethaddr macaddr
;
2646 memcpy(&macaddr
.octet
, ifp
->hw_addr
, ETH_ALEN
);
2648 for (ALL_LIST_ELEMENTS(ifp
->connected
, cnode
, cnnode
, c
)) {
2651 memset(&ip
, 0, sizeof(struct ipaddr
));
2652 if (!CHECK_FLAG(c
->conf
, ZEBRA_IFC_REAL
))
2655 if (c
->address
->family
== AF_INET
) {
2656 ip
.ipa_type
= IPADDR_V4
;
2657 memcpy(&(ip
.ipaddr_v4
), &(c
->address
->u
.prefix4
),
2658 sizeof(struct in_addr
));
2659 } else if (c
->address
->family
== AF_INET6
) {
2660 ip
.ipa_type
= IPADDR_V6
;
2661 memcpy(&(ip
.ipaddr_v6
), &(c
->address
->u
.prefix6
),
2662 sizeof(struct in6_addr
));
2667 zvni_gw_macip_del(ifp
, zvni
, &ip
);
2673 static int zvni_add_macip_for_intf(struct interface
*ifp
, zebra_vni_t
*zvni
)
2675 struct listnode
*cnode
= NULL
, *cnnode
= NULL
;
2676 struct connected
*c
= NULL
;
2677 struct ethaddr macaddr
;
2679 memcpy(&macaddr
.octet
, ifp
->hw_addr
, ETH_ALEN
);
2681 for (ALL_LIST_ELEMENTS(ifp
->connected
, cnode
, cnnode
, c
)) {
2684 memset(&ip
, 0, sizeof(struct ipaddr
));
2685 if (!CHECK_FLAG(c
->conf
, ZEBRA_IFC_REAL
))
2688 if (c
->address
->family
== AF_INET
) {
2689 ip
.ipa_type
= IPADDR_V4
;
2690 memcpy(&(ip
.ipaddr_v4
), &(c
->address
->u
.prefix4
),
2691 sizeof(struct in_addr
));
2692 } else if (c
->address
->family
== AF_INET6
) {
2693 ip
.ipa_type
= IPADDR_V6
;
2694 memcpy(&(ip
.ipaddr_v6
), &(c
->address
->u
.prefix6
),
2695 sizeof(struct in6_addr
));
2700 zvni_gw_macip_add(ifp
, zvni
, &macaddr
, &ip
);
2706 static int zvni_advertise_subnet(zebra_vni_t
*zvni
, struct interface
*ifp
,
2709 struct listnode
*cnode
= NULL
, *cnnode
= NULL
;
2710 struct connected
*c
= NULL
;
2711 struct ethaddr macaddr
;
2713 memcpy(&macaddr
.octet
, ifp
->hw_addr
, ETH_ALEN
);
2715 for (ALL_LIST_ELEMENTS(ifp
->connected
, cnode
, cnnode
, c
)) {
2718 memcpy(&p
, c
->address
, sizeof(struct prefix
));
2720 /* skip link local address */
2721 if (IN6_IS_ADDR_LINKLOCAL(&p
.u
.prefix6
))
2726 ip_prefix_send_to_client(ifp
->vrf_id
, &p
,
2727 ZEBRA_IP_PREFIX_ROUTE_ADD
);
2729 ip_prefix_send_to_client(ifp
->vrf_id
, &p
,
2730 ZEBRA_IP_PREFIX_ROUTE_DEL
);
2736 * zvni_gw_macip_add_to_client
2738 static int zvni_gw_macip_add(struct interface
*ifp
, zebra_vni_t
*zvni
,
2739 struct ethaddr
*macaddr
, struct ipaddr
*ip
)
2741 char buf
[ETHER_ADDR_STRLEN
];
2742 char buf2
[INET6_ADDRSTRLEN
];
2743 zebra_neigh_t
*n
= NULL
;
2744 zebra_mac_t
*mac
= NULL
;
2745 struct zebra_if
*zif
= NULL
;
2746 struct zebra_l2info_vxlan
*vxl
= NULL
;
2748 zif
= zvni
->vxlan_if
->info
;
2752 vxl
= &zif
->l2info
.vxl
;
2754 mac
= zvni_mac_lookup(zvni
, macaddr
);
2756 mac
= zvni_mac_add(zvni
, macaddr
);
2758 flog_err(EC_ZEBRA_MAC_ADD_FAILED
,
2759 "Failed to add MAC %s intf %s(%u) VID %u",
2760 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
2761 ifp
->name
, ifp
->ifindex
, vxl
->access_vlan
);
2766 /* Set "local" forwarding info. */
2767 SET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
2768 SET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
2769 SET_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
);
2770 memset(&mac
->fwd_info
, 0, sizeof(mac
->fwd_info
));
2771 mac
->fwd_info
.local
.ifindex
= ifp
->ifindex
;
2772 mac
->fwd_info
.local
.vid
= vxl
->access_vlan
;
2774 n
= zvni_neigh_lookup(zvni
, ip
);
2776 n
= zvni_neigh_add(zvni
, ip
, macaddr
);
2779 EC_ZEBRA_MAC_ADD_FAILED
,
2780 "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u",
2781 ipaddr2str(ip
, buf2
, sizeof(buf2
)),
2782 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
2783 ifp
->name
, ifp
->ifindex
, zvni
->vni
);
2788 /* Set "local" forwarding info. */
2789 SET_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
);
2790 ZEBRA_NEIGH_SET_ACTIVE(n
);
2791 memcpy(&n
->emac
, macaddr
, ETH_ALEN
);
2792 n
->ifindex
= ifp
->ifindex
;
2794 /* Only advertise in BGP if the knob is enabled */
2795 if (advertise_gw_macip_enabled(zvni
)) {
2797 SET_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
);
2798 SET_FLAG(n
->flags
, ZEBRA_NEIGH_DEF_GW
);
2799 /* Set Router flag (R-bit) */
2800 if (ip
->ipa_type
== IPADDR_V6
)
2801 SET_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
);
2803 if (IS_ZEBRA_DEBUG_VXLAN
)
2805 "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x",
2806 ifp
->name
, ifp
->ifindex
, zvni
->vni
,
2807 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
2808 ipaddr2str(ip
, buf2
, sizeof(buf2
)), n
->flags
);
2810 zvni_neigh_send_add_to_client(zvni
->vni
, ip
, macaddr
,
2811 n
->flags
, n
->loc_seq
);
2812 } else if (advertise_svi_macip_enabled(zvni
)) {
2814 if (IS_ZEBRA_DEBUG_VXLAN
)
2816 "SVI %s(%u) L2-VNI %u, sending SVI MAC %s IP %s add to BGP with flags 0x%x",
2817 ifp
->name
, ifp
->ifindex
, zvni
->vni
,
2818 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
2819 ipaddr2str(ip
, buf2
, sizeof(buf2
)), n
->flags
);
2821 zvni_neigh_send_add_to_client(zvni
->vni
, ip
, macaddr
,
2822 n
->flags
, n
->loc_seq
);
2829 * zvni_gw_macip_del_from_client
2831 static int zvni_gw_macip_del(struct interface
*ifp
, zebra_vni_t
*zvni
,
2834 char buf1
[ETHER_ADDR_STRLEN
];
2835 char buf2
[INET6_ADDRSTRLEN
];
2836 zebra_neigh_t
*n
= NULL
;
2837 zebra_mac_t
*mac
= NULL
;
2839 /* If the neigh entry is not present nothing to do*/
2840 n
= zvni_neigh_lookup(zvni
, ip
);
2844 /* mac entry should be present */
2845 mac
= zvni_mac_lookup(zvni
, &n
->emac
);
2847 if (IS_ZEBRA_DEBUG_VXLAN
)
2848 zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u",
2849 prefix_mac2str(&n
->emac
,
2850 buf1
, sizeof(buf1
)),
2851 ipaddr2str(ip
, buf2
, sizeof(buf2
)),
2856 /* If the entry is not local nothing to do*/
2857 if (!CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
))
2860 /* only need to delete the entry from bgp if we sent it before */
2861 if (IS_ZEBRA_DEBUG_VXLAN
)
2863 "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP",
2864 ifp
->vrf_id
, ifp
->name
, ifp
->ifindex
, zvni
->vni
,
2865 prefix_mac2str(&(n
->emac
), buf1
, sizeof(buf1
)),
2866 ipaddr2str(ip
, buf2
, sizeof(buf2
)));
2868 /* Remove neighbor from BGP. */
2869 zvni_neigh_send_del_to_client(zvni
->vni
, &n
->ip
, &n
->emac
,
2870 ZEBRA_MACIP_TYPE_GW
, ZEBRA_NEIGH_ACTIVE
);
2872 /* Delete this neighbor entry. */
2873 zvni_neigh_del(zvni
, n
);
2875 /* see if the mac needs to be deleted as well*/
2877 zvni_deref_ip2mac(zvni
, mac
);
2882 static void zvni_gw_macip_del_for_vni_hash(struct hash_bucket
*bucket
,
2885 zebra_vni_t
*zvni
= NULL
;
2886 struct zebra_if
*zif
= NULL
;
2887 struct zebra_l2info_vxlan zl2_info
;
2888 struct interface
*vlan_if
= NULL
;
2889 struct interface
*vrr_if
= NULL
;
2890 struct interface
*ifp
;
2892 /* Add primary SVI MAC*/
2893 zvni
= (zebra_vni_t
*)bucket
->data
;
2895 /* Global (Zvrf) advertise-default-gw is disabled,
2896 * but zvni advertise-default-gw is enabled
2898 if (zvni
->advertise_gw_macip
) {
2899 if (IS_ZEBRA_DEBUG_VXLAN
)
2900 zlog_debug("VNI: %u GW-MACIP enabled, retain gw-macip",
2905 ifp
= zvni
->vxlan_if
;
2910 /* If down or not mapped to a bridge, we're done. */
2911 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
2914 zl2_info
= zif
->l2info
.vxl
;
2917 zvni_map_to_svi(zl2_info
.access_vlan
, zif
->brslave_info
.br_if
);
2921 /* Del primary MAC-IP */
2922 zvni_del_macip_for_intf(vlan_if
, zvni
);
2924 /* Del VRR MAC-IP - if any*/
2925 vrr_if
= zebra_get_vrr_intf_for_svi(vlan_if
);
2927 zvni_del_macip_for_intf(vrr_if
, zvni
);
2932 static void zvni_gw_macip_add_for_vni_hash(struct hash_bucket
*bucket
,
2935 zebra_vni_t
*zvni
= NULL
;
2936 struct zebra_if
*zif
= NULL
;
2937 struct zebra_l2info_vxlan zl2_info
;
2938 struct interface
*vlan_if
= NULL
;
2939 struct interface
*vrr_if
= NULL
;
2940 struct interface
*ifp
= NULL
;
2942 zvni
= (zebra_vni_t
*)bucket
->data
;
2944 ifp
= zvni
->vxlan_if
;
2949 /* If down or not mapped to a bridge, we're done. */
2950 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
2952 zl2_info
= zif
->l2info
.vxl
;
2955 zvni_map_to_svi(zl2_info
.access_vlan
, zif
->brslave_info
.br_if
);
2959 /* Add primary SVI MAC-IP */
2960 zvni_add_macip_for_intf(vlan_if
, zvni
);
2962 if (advertise_gw_macip_enabled(zvni
)) {
2963 /* Add VRR MAC-IP - if any*/
2964 vrr_if
= zebra_get_vrr_intf_for_svi(vlan_if
);
2966 zvni_add_macip_for_intf(vrr_if
, zvni
);
2972 static void zvni_svi_macip_del_for_vni_hash(struct hash_bucket
*bucket
,
2975 zebra_vni_t
*zvni
= NULL
;
2976 struct zebra_if
*zif
= NULL
;
2977 struct zebra_l2info_vxlan zl2_info
;
2978 struct interface
*vlan_if
= NULL
;
2979 struct interface
*ifp
;
2981 /* Add primary SVI MAC*/
2982 zvni
= (zebra_vni_t
*)bucket
->data
;
2986 /* Global(vrf) advertise-svi-ip disabled, but zvni advertise-svi-ip
2989 if (zvni
->advertise_svi_macip
) {
2990 if (IS_ZEBRA_DEBUG_VXLAN
)
2991 zlog_debug("VNI: %u SVI-MACIP enabled, retain svi-macip",
2996 ifp
= zvni
->vxlan_if
;
3001 /* If down or not mapped to a bridge, we're done. */
3002 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
3005 zl2_info
= zif
->l2info
.vxl
;
3007 vlan_if
= zvni_map_to_svi(zl2_info
.access_vlan
,
3008 zif
->brslave_info
.br_if
);
3012 /* Del primary MAC-IP */
3013 zvni_del_macip_for_intf(vlan_if
, zvni
);
3018 static int zvni_local_neigh_update(zebra_vni_t
*zvni
,
3019 struct interface
*ifp
,
3021 struct ethaddr
*macaddr
,
3024 char buf
[ETHER_ADDR_STRLEN
];
3025 char buf2
[INET6_ADDRSTRLEN
];
3026 struct zebra_vrf
*zvrf
;
3027 zebra_neigh_t
*n
= NULL
;
3028 zebra_mac_t
*zmac
= NULL
, *old_zmac
= NULL
;
3029 uint32_t old_mac_seq
= 0, mac_new_seq
= 0;
3030 bool upd_mac_seq
= false;
3031 bool neigh_mac_change
= false;
3032 bool neigh_on_hold
= false;
3033 bool neigh_was_remote
= false;
3034 bool do_dad
= false;
3035 struct in_addr vtep_ip
= {.s_addr
= 0};
3037 /* Check if the MAC exists. */
3038 zmac
= zvni_mac_lookup(zvni
, macaddr
);
3040 /* create a dummy MAC if the MAC is not already present */
3041 if (IS_ZEBRA_DEBUG_VXLAN
)
3043 "AUTO MAC %s created for neigh %s on VNI %u",
3044 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3045 ipaddr2str(ip
, buf2
, sizeof(buf2
)), zvni
->vni
);
3047 zmac
= zvni_mac_add(zvni
, macaddr
);
3049 zlog_debug("Failed to add MAC %s VNI %u",
3050 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3055 memset(&zmac
->fwd_info
, 0, sizeof(zmac
->fwd_info
));
3056 memset(&zmac
->flags
, 0, sizeof(uint32_t));
3057 SET_FLAG(zmac
->flags
, ZEBRA_MAC_AUTO
);
3059 if (CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_REMOTE
)) {
3061 * We don't change the MAC to local upon a neighbor
3062 * learn event, we wait for the explicit local MAC
3063 * learn. However, we have to compute its sequence
3064 * number in preparation for when it actually turns
3071 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
3073 if (IS_ZEBRA_DEBUG_VXLAN
)
3074 zlog_debug("\tUnable to find vrf for: %d",
3075 zvni
->vxlan_if
->vrf_id
);
3079 /* Check if the neighbor exists. */
3080 n
= zvni_neigh_lookup(zvni
, ip
);
3082 /* New neighbor - create */
3083 n
= zvni_neigh_add(zvni
, ip
, macaddr
);
3086 EC_ZEBRA_MAC_ADD_FAILED
,
3087 "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u",
3088 ipaddr2str(ip
, buf2
, sizeof(buf2
)),
3089 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3090 ifp
->name
, ifp
->ifindex
, zvni
->vni
);
3093 /* Set "local" forwarding info. */
3094 SET_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
);
3095 n
->ifindex
= ifp
->ifindex
;
3097 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
3101 /* Note any changes and see if of interest to BGP. */
3102 mac_different
= (memcmp(n
->emac
.octet
,
3103 macaddr
->octet
, ETH_ALEN
) != 0) ? 1 : 0;
3104 cur_is_router
= !!CHECK_FLAG(n
->flags
,
3105 ZEBRA_NEIGH_ROUTER_FLAG
);
3106 if (!mac_different
&& is_router
== cur_is_router
) {
3107 if (IS_ZEBRA_DEBUG_VXLAN
)
3109 "\tIgnoring entry mac is the same and is_router == cur_is_router");
3110 n
->ifindex
= ifp
->ifindex
;
3114 if (!mac_different
) {
3115 bool is_neigh_freezed
= false;
3117 /* Only the router flag has changed. */
3120 ZEBRA_NEIGH_ROUTER_FLAG
);
3122 UNSET_FLAG(n
->flags
,
3123 ZEBRA_NEIGH_ROUTER_FLAG
);
3125 /* Neigh is in freeze state and freeze action
3126 * is enabled, do not send update to client.
3128 is_neigh_freezed
= (zvrf
->dup_addr_detect
&&
3130 CHECK_FLAG(n
->flags
,
3131 ZEBRA_NEIGH_DUPLICATE
));
3133 if (IS_ZEBRA_NEIGH_ACTIVE(n
) &&
3135 return zvni_neigh_send_add_to_client(
3136 zvni
->vni
, ip
, macaddr
,
3137 n
->flags
, n
->loc_seq
);
3139 if (IS_ZEBRA_DEBUG_VXLAN
)
3141 "\tNeighbor active and frozen");
3146 /* The MAC has changed, need to issue a delete
3147 * first as this means a different MACIP route.
3148 * Also, need to do some unlinking/relinking.
3149 * We also need to update the MAC's sequence number
3150 * in different situations.
3152 if (IS_ZEBRA_NEIGH_ACTIVE(n
))
3153 zvni_neigh_send_del_to_client(zvni
->vni
, &n
->ip
,
3154 &n
->emac
, 0, n
->state
);
3155 old_zmac
= zvni_mac_lookup(zvni
, &n
->emac
);
3157 old_mac_seq
= CHECK_FLAG(old_zmac
->flags
,
3159 old_zmac
->rem_seq
: old_zmac
->loc_seq
;
3160 neigh_mac_change
= upd_mac_seq
= true;
3161 listnode_delete(old_zmac
->neigh_list
, n
);
3162 zvni_deref_ip2mac(zvni
, old_zmac
);
3165 /* Update the forwarding info. */
3166 n
->ifindex
= ifp
->ifindex
;
3167 memcpy(&n
->emac
, macaddr
, ETH_ALEN
);
3169 /* Link to new MAC */
3170 listnode_add_sort(zmac
->neigh_list
, n
);
3171 } else if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)) {
3173 * Neighbor has moved from remote to local. Its
3174 * MAC could have also changed as part of the move.
3176 if (memcmp(n
->emac
.octet
, macaddr
->octet
,
3178 old_zmac
= zvni_mac_lookup(zvni
, &n
->emac
);
3180 old_mac_seq
= CHECK_FLAG(
3185 neigh_mac_change
= upd_mac_seq
= true;
3186 listnode_delete(old_zmac
->neigh_list
,
3188 zvni_deref_ip2mac(zvni
, old_zmac
);
3191 /* Link to new MAC */
3192 memcpy(&n
->emac
, macaddr
, ETH_ALEN
);
3193 listnode_add_sort(zmac
->neigh_list
, n
);
3195 /* Based on Mobility event Scenario-B from the
3196 * draft, neigh's previous state was remote treat this
3199 neigh_was_remote
= true;
3200 vtep_ip
= n
->r_vtep_ip
;
3201 /* Mark appropriately */
3202 UNSET_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
);
3203 n
->r_vtep_ip
.s_addr
= 0;
3204 SET_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
);
3205 n
->ifindex
= ifp
->ifindex
;
3209 /* If MAC was previously remote, or the neighbor had a different
3210 * MAC earlier, recompute the sequence number.
3213 uint32_t seq1
, seq2
;
3215 seq1
= CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_REMOTE
) ?
3216 zmac
->rem_seq
+ 1 : zmac
->loc_seq
;
3217 seq2
= neigh_mac_change
? old_mac_seq
+ 1 : 0;
3218 mac_new_seq
= zmac
->loc_seq
< MAX(seq1
, seq2
) ?
3219 MAX(seq1
, seq2
) : zmac
->loc_seq
;
3222 /* Mark Router flag (R-bit) */
3224 SET_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
);
3226 UNSET_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
);
3228 /* Check old and/or new MAC detected as duplicate mark
3229 * the neigh as duplicate
3231 if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf
, old_zmac
, zmac
, n
)) {
3232 flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED
,
3233 "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC",
3235 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3236 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)));
3239 /* For IP Duplicate Address Detection (DAD) is trigger,
3240 * when the event is extended mobility based on scenario-B
3241 * from the draft, IP/Neigh's MAC binding changed and
3242 * neigh's previous state was remote.
3244 if (neigh_mac_change
&& neigh_was_remote
)
3247 zebra_vxlan_dup_addr_detect_for_neigh(zvrf
, n
, vtep_ip
, do_dad
,
3248 &neigh_on_hold
, true);
3250 /* Before we program this in BGP, we need to check if MAC is locally
3251 * learnt. If not, force neighbor to be inactive and reset its seq.
3253 if (!CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_LOCAL
)) {
3254 ZEBRA_NEIGH_SET_INACTIVE(n
);
3256 zmac
->loc_seq
= mac_new_seq
;
3260 /* If the MAC's sequence number has changed, inform the MAC and all
3261 * neighbors associated with the MAC to BGP, else just inform this
3264 if (upd_mac_seq
&& zmac
->loc_seq
!= mac_new_seq
) {
3265 if (IS_ZEBRA_DEBUG_VXLAN
)
3266 zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u",
3267 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3268 zvni
->vni
, zmac
->loc_seq
, mac_new_seq
);
3269 zmac
->loc_seq
= mac_new_seq
;
3270 if (zvni_mac_send_add_to_client(zvni
->vni
, macaddr
,
3271 zmac
->flags
, zmac
->loc_seq
))
3273 zvni_process_neigh_on_local_mac_change(zvni
, zmac
, 1);
3277 n
->loc_seq
= zmac
->loc_seq
;
3279 if (!neigh_on_hold
) {
3280 ZEBRA_NEIGH_SET_ACTIVE(n
);
3282 return zvni_neigh_send_add_to_client(zvni
->vni
, ip
, macaddr
,
3283 n
->flags
, n
->loc_seq
);
3285 if (IS_ZEBRA_DEBUG_VXLAN
)
3286 zlog_debug("\tNeighbor on hold not sending");
3291 static int zvni_remote_neigh_update(zebra_vni_t
*zvni
,
3292 struct interface
*ifp
,
3294 struct ethaddr
*macaddr
,
3297 char buf
[ETHER_ADDR_STRLEN
];
3298 char buf2
[INET6_ADDRSTRLEN
];
3299 zebra_neigh_t
*n
= NULL
;
3300 zebra_mac_t
*zmac
= NULL
;
3302 /* If the neighbor is unknown, there is no further action. */
3303 n
= zvni_neigh_lookup(zvni
, ip
);
3307 /* If a remote entry, see if it needs to be refreshed */
3308 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)) {
3310 if (state
& NUD_STALE
)
3311 zvni_neigh_install(zvni
, n
);
3314 /* We got a "remote" neighbor notification for an entry
3315 * we think is local. This can happen in a multihoming
3316 * scenario - but only if the MAC is already "remote".
3317 * Just mark our entry as "remote".
3319 zmac
= zvni_mac_lookup(zvni
, macaddr
);
3320 if (!zmac
|| !CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_REMOTE
)) {
3322 "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local",
3323 ipaddr2str(&n
->ip
, buf2
, sizeof(buf2
)),
3324 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
3329 UNSET_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
);
3330 SET_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
);
3331 ZEBRA_NEIGH_SET_ACTIVE(n
);
3332 n
->r_vtep_ip
= zmac
->fwd_info
.r_vtep_ip
;
3339 * Make hash key for MAC.
3341 static unsigned int mac_hash_keymake(const void *p
)
3343 const zebra_mac_t
*pmac
= p
;
3344 const void *pnt
= (void *)pmac
->macaddr
.octet
;
3346 return jhash(pnt
, ETH_ALEN
, 0xa5a5a55a);
3350 * Compare two MAC addresses.
3352 static bool mac_cmp(const void *p1
, const void *p2
)
3354 const zebra_mac_t
*pmac1
= p1
;
3355 const zebra_mac_t
*pmac2
= p2
;
3357 if (pmac1
== NULL
&& pmac2
== NULL
)
3360 if (pmac1
== NULL
|| pmac2
== NULL
)
3363 return (memcmp(pmac1
->macaddr
.octet
, pmac2
->macaddr
.octet
, ETH_ALEN
)
3368 * Callback to allocate MAC hash entry.
3370 static void *zvni_mac_alloc(void *p
)
3372 const zebra_mac_t
*tmp_mac
= p
;
3375 mac
= XCALLOC(MTYPE_MAC
, sizeof(zebra_mac_t
));
3378 return ((void *)mac
);
3384 static zebra_mac_t
*zvni_mac_add(zebra_vni_t
*zvni
, struct ethaddr
*macaddr
)
3386 zebra_mac_t tmp_mac
;
3387 zebra_mac_t
*mac
= NULL
;
3389 memset(&tmp_mac
, 0, sizeof(zebra_mac_t
));
3390 memcpy(&tmp_mac
.macaddr
, macaddr
, ETH_ALEN
);
3391 mac
= hash_get(zvni
->mac_table
, &tmp_mac
, zvni_mac_alloc
);
3395 mac
->dad_mac_auto_recovery_timer
= NULL
;
3397 mac
->neigh_list
= list_new();
3398 mac
->neigh_list
->cmp
= neigh_list_cmp
;
3406 static int zvni_mac_del(zebra_vni_t
*zvni
, zebra_mac_t
*mac
)
3408 zebra_mac_t
*tmp_mac
;
3410 /* Cancel auto recovery */
3411 THREAD_OFF(mac
->dad_mac_auto_recovery_timer
);
3413 list_delete(&mac
->neigh_list
);
3415 /* Free the VNI hash entry and allocated memory. */
3416 tmp_mac
= hash_release(zvni
->mac_table
, mac
);
3417 XFREE(MTYPE_MAC
, tmp_mac
);
3422 static bool zvni_check_mac_del_from_db(struct mac_walk_ctx
*wctx
,
3425 if ((wctx
->flags
& DEL_LOCAL_MAC
) &&
3426 (mac
->flags
& ZEBRA_MAC_LOCAL
))
3428 else if ((wctx
->flags
& DEL_REMOTE_MAC
) &&
3429 (mac
->flags
& ZEBRA_MAC_REMOTE
))
3431 else if ((wctx
->flags
& DEL_REMOTE_MAC_FROM_VTEP
) &&
3432 (mac
->flags
& ZEBRA_MAC_REMOTE
) &&
3433 IPV4_ADDR_SAME(&mac
->fwd_info
.r_vtep_ip
, &wctx
->r_vtep_ip
))
3435 else if ((wctx
->flags
& DEL_LOCAL_MAC
) &&
3436 (mac
->flags
& ZEBRA_MAC_AUTO
) &&
3437 !listcount(mac
->neigh_list
)) {
3438 if (IS_ZEBRA_DEBUG_VXLAN
) {
3439 char buf
[ETHER_ADDR_STRLEN
];
3441 zlog_debug("%s: Del MAC %s flags 0x%x",
3442 __PRETTY_FUNCTION__
,
3443 prefix_mac2str(&mac
->macaddr
,
3447 wctx
->uninstall
= 0;
3456 * Free MAC hash entry (callback)
3458 static void zvni_mac_del_hash_entry(struct hash_bucket
*bucket
, void *arg
)
3460 struct mac_walk_ctx
*wctx
= arg
;
3461 zebra_mac_t
*mac
= bucket
->data
;
3463 if (zvni_check_mac_del_from_db(wctx
, mac
)) {
3464 if (wctx
->upd_client
&& (mac
->flags
& ZEBRA_MAC_LOCAL
)) {
3465 zvni_mac_send_del_to_client(wctx
->zvni
->vni
,
3468 if (wctx
->uninstall
)
3469 zvni_mac_uninstall(wctx
->zvni
, mac
);
3471 zvni_mac_del(wctx
->zvni
, mac
);
3478 * Delete all MAC entries from specific VTEP for a particular VNI.
3480 static void zvni_mac_del_from_vtep(zebra_vni_t
*zvni
, int uninstall
,
3481 struct in_addr
*r_vtep_ip
)
3483 struct mac_walk_ctx wctx
;
3485 if (!zvni
->mac_table
)
3488 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
3490 wctx
.uninstall
= uninstall
;
3491 wctx
.flags
= DEL_REMOTE_MAC_FROM_VTEP
;
3492 wctx
.r_vtep_ip
= *r_vtep_ip
;
3494 hash_iterate(zvni
->mac_table
, zvni_mac_del_hash_entry
, &wctx
);
3498 * Delete all MAC entries for this VNI.
3500 static void zvni_mac_del_all(zebra_vni_t
*zvni
, int uninstall
, int upd_client
,
3503 struct mac_walk_ctx wctx
;
3505 if (!zvni
->mac_table
)
3508 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
3510 wctx
.uninstall
= uninstall
;
3511 wctx
.upd_client
= upd_client
;
3514 hash_iterate(zvni
->mac_table
, zvni_mac_del_hash_entry
, &wctx
);
3518 * Look up MAC hash entry.
3520 static zebra_mac_t
*zvni_mac_lookup(zebra_vni_t
*zvni
, struct ethaddr
*mac
)
3525 memset(&tmp
, 0, sizeof(tmp
));
3526 memcpy(&tmp
.macaddr
, mac
, ETH_ALEN
);
3527 pmac
= hash_lookup(zvni
->mac_table
, &tmp
);
3533 * Inform BGP about local MAC addition.
3535 static int zvni_mac_send_add_to_client(vni_t vni
, struct ethaddr
*macaddr
,
3536 uint8_t mac_flags
, uint32_t seq
)
3540 if (CHECK_FLAG(mac_flags
, ZEBRA_MAC_STICKY
))
3541 SET_FLAG(flags
, ZEBRA_MACIP_TYPE_STICKY
);
3542 if (CHECK_FLAG(mac_flags
, ZEBRA_MAC_DEF_GW
))
3543 SET_FLAG(flags
, ZEBRA_MACIP_TYPE_GW
);
3545 return zvni_macip_send_msg_to_client(vni
, macaddr
, NULL
, flags
,
3546 seq
, ZEBRA_NEIGH_ACTIVE
, ZEBRA_MACIP_ADD
);
3550 * Inform BGP about local MAC deletion.
3552 static int zvni_mac_send_del_to_client(vni_t vni
, struct ethaddr
*macaddr
)
3554 return zvni_macip_send_msg_to_client(vni
, macaddr
, NULL
, 0 /* flags */,
3555 0 /* seq */, ZEBRA_NEIGH_ACTIVE
, ZEBRA_MACIP_DEL
);
3559 * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC
3560 * notifications, to see if they are of interest.
3562 static zebra_vni_t
*zvni_map_vlan(struct interface
*ifp
,
3563 struct interface
*br_if
, vlanid_t vid
)
3565 struct zebra_ns
*zns
;
3566 struct route_node
*rn
;
3567 struct interface
*tmp_if
= NULL
;
3568 struct zebra_if
*zif
;
3569 struct zebra_l2info_bridge
*br
;
3570 struct zebra_l2info_vxlan
*vxl
= NULL
;
3571 uint8_t bridge_vlan_aware
;
3575 /* Determine if bridge is VLAN-aware or not */
3578 br
= &zif
->l2info
.br
;
3579 bridge_vlan_aware
= br
->vlan_aware
;
3581 /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
3582 /* TODO: Optimize with a hash. */
3583 zns
= zebra_ns_lookup(NS_DEFAULT
);
3584 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
3585 tmp_if
= (struct interface
*)rn
->info
;
3589 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VXLAN
)
3591 if (!if_is_operative(tmp_if
))
3593 vxl
= &zif
->l2info
.vxl
;
3595 if (zif
->brslave_info
.br_if
!= br_if
)
3598 if (!bridge_vlan_aware
|| vxl
->access_vlan
== vid
) {
3607 zvni
= zvni_lookup(vxl
->vni
);
3612 * Map SVI and associated bridge to a VNI. This is invoked upon getting
3613 * neighbor notifications, to see if they are of interest.
3615 static zebra_vni_t
*zvni_from_svi(struct interface
*ifp
,
3616 struct interface
*br_if
)
3618 struct zebra_ns
*zns
;
3619 struct route_node
*rn
;
3620 struct interface
*tmp_if
= NULL
;
3621 struct zebra_if
*zif
;
3622 struct zebra_l2info_bridge
*br
;
3623 struct zebra_l2info_vxlan
*vxl
= NULL
;
3624 uint8_t bridge_vlan_aware
;
3632 /* Make sure the linked interface is a bridge. */
3633 if (!IS_ZEBRA_IF_BRIDGE(br_if
))
3636 /* Determine if bridge is VLAN-aware or not */
3639 br
= &zif
->l2info
.br
;
3640 bridge_vlan_aware
= br
->vlan_aware
;
3641 if (bridge_vlan_aware
) {
3642 struct zebra_l2info_vlan
*vl
;
3644 if (!IS_ZEBRA_IF_VLAN(ifp
))
3649 vl
= &zif
->l2info
.vl
;
3653 /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
3654 /* TODO: Optimize with a hash. */
3655 zns
= zebra_ns_lookup(NS_DEFAULT
);
3656 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
3657 tmp_if
= (struct interface
*)rn
->info
;
3661 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VXLAN
)
3663 if (!if_is_operative(tmp_if
))
3665 vxl
= &zif
->l2info
.vxl
;
3667 if (zif
->brslave_info
.br_if
!= br_if
)
3670 if (!bridge_vlan_aware
|| vxl
->access_vlan
== vid
) {
3679 zvni
= zvni_lookup(vxl
->vni
);
3683 /* Map to SVI on bridge corresponding to specified VLAN. This can be one
3685 * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface
3686 * linked to the bridge
3687 * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface
3690 static struct interface
*zvni_map_to_svi(vlanid_t vid
, struct interface
*br_if
)
3692 struct zebra_ns
*zns
;
3693 struct route_node
*rn
;
3694 struct interface
*tmp_if
= NULL
;
3695 struct zebra_if
*zif
;
3696 struct zebra_l2info_bridge
*br
;
3697 struct zebra_l2info_vlan
*vl
;
3698 uint8_t bridge_vlan_aware
;
3701 /* Defensive check, caller expected to invoke only with valid bridge. */
3705 /* Determine if bridge is VLAN-aware or not */
3708 br
= &zif
->l2info
.br
;
3709 bridge_vlan_aware
= br
->vlan_aware
;
3711 /* Check oper status of the SVI. */
3712 if (!bridge_vlan_aware
)
3713 return if_is_operative(br_if
) ? br_if
: NULL
;
3715 /* Identify corresponding VLAN interface. */
3716 /* TODO: Optimize with a hash. */
3717 zns
= zebra_ns_lookup(NS_DEFAULT
);
3718 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
3719 tmp_if
= (struct interface
*)rn
->info
;
3720 /* Check oper status of the SVI. */
3721 if (!tmp_if
|| !if_is_operative(tmp_if
))
3724 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VLAN
3725 || zif
->link
!= br_if
)
3727 vl
= (struct zebra_l2info_vlan
*)&zif
->l2info
.vl
;
3729 if (vl
->vid
== vid
) {
3735 return found
? tmp_if
: NULL
;
3739 * Install remote MAC into the forwarding plane.
3741 static int zvni_mac_install(zebra_vni_t
*zvni
, zebra_mac_t
*mac
)
3743 const struct zebra_if
*zif
, *br_zif
;
3744 const struct zebra_l2info_vxlan
*vxl
;
3746 enum zebra_dplane_result res
;
3747 const struct interface
*br_ifp
;
3750 if (!(mac
->flags
& ZEBRA_MAC_REMOTE
))
3753 zif
= zvni
->vxlan_if
->info
;
3757 br_ifp
= zif
->brslave_info
.br_if
;
3761 vxl
= &zif
->l2info
.vxl
;
3763 sticky
= !!CHECK_FLAG(mac
->flags
,
3764 (ZEBRA_MAC_STICKY
| ZEBRA_MAC_REMOTE_DEF_GW
));
3766 br_zif
= (const struct zebra_if
*)(br_ifp
->info
);
3768 if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif
))
3769 vid
= vxl
->access_vlan
;
3773 res
= dplane_mac_add(zvni
->vxlan_if
, br_ifp
, vid
,
3774 &mac
->macaddr
, mac
->fwd_info
.r_vtep_ip
, sticky
);
3775 if (res
!= ZEBRA_DPLANE_REQUEST_FAILURE
)
3782 * Uninstall remote MAC from the forwarding plane.
3784 static int zvni_mac_uninstall(zebra_vni_t
*zvni
, zebra_mac_t
*mac
)
3786 const struct zebra_if
*zif
, *br_zif
;
3787 const struct zebra_l2info_vxlan
*vxl
;
3788 struct in_addr vtep_ip
;
3789 const struct interface
*ifp
, *br_ifp
;
3791 enum zebra_dplane_result res
;
3793 if (!(mac
->flags
& ZEBRA_MAC_REMOTE
))
3796 if (!zvni
->vxlan_if
) {
3797 if (IS_ZEBRA_DEBUG_VXLAN
)
3798 zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf",
3803 zif
= zvni
->vxlan_if
->info
;
3807 br_ifp
= zif
->brslave_info
.br_if
;
3811 vxl
= &zif
->l2info
.vxl
;
3813 br_zif
= (const struct zebra_if
*)br_ifp
->info
;
3815 if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif
))
3816 vid
= vxl
->access_vlan
;
3820 ifp
= zvni
->vxlan_if
;
3821 vtep_ip
= mac
->fwd_info
.r_vtep_ip
;
3823 res
= dplane_mac_del(ifp
, br_ifp
, vid
, &mac
->macaddr
, vtep_ip
);
3824 if (res
!= ZEBRA_DPLANE_REQUEST_FAILURE
)
3831 * Install MAC hash entry - called upon access VLAN change.
3833 static void zvni_install_mac_hash(struct hash_bucket
*bucket
, void *ctxt
)
3836 struct mac_walk_ctx
*wctx
= ctxt
;
3838 mac
= (zebra_mac_t
*)bucket
->data
;
3840 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
))
3841 zvni_mac_install(wctx
->zvni
, mac
);
3845 * Count of remote neighbors referencing this MAC.
3847 static int remote_neigh_count(zebra_mac_t
*zmac
)
3849 zebra_neigh_t
*n
= NULL
;
3850 struct listnode
*node
= NULL
;
3853 for (ALL_LIST_ELEMENTS_RO(zmac
->neigh_list
, node
, n
)) {
3854 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
))
3862 * Decrement neighbor refcount of MAC; uninstall and free it if
3865 static void zvni_deref_ip2mac(zebra_vni_t
*zvni
, zebra_mac_t
*mac
)
3867 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
))
3870 /* If all remote neighbors referencing a remote MAC go away,
3871 * we need to uninstall the MAC.
3873 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
) &&
3874 remote_neigh_count(mac
) == 0) {
3875 zvni_mac_uninstall(zvni
, mac
);
3876 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
);
3879 /* If no neighbors, delete the MAC. */
3880 if (list_isempty(mac
->neigh_list
))
3881 zvni_mac_del(zvni
, mac
);
3885 * Read and populate local MACs and neighbors corresponding to this VNI.
3887 static void zvni_read_mac_neigh(zebra_vni_t
*zvni
, struct interface
*ifp
)
3889 struct zebra_ns
*zns
;
3890 struct zebra_if
*zif
;
3891 struct interface
*vlan_if
;
3892 struct zebra_l2info_vxlan
*vxl
;
3893 struct interface
*vrr_if
;
3896 vxl
= &zif
->l2info
.vxl
;
3897 zns
= zebra_ns_lookup(NS_DEFAULT
);
3899 if (IS_ZEBRA_DEBUG_VXLAN
)
3901 "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u",
3902 ifp
->name
, ifp
->ifindex
, zvni
->vni
,
3903 zif
->brslave_info
.bridge_ifindex
);
3905 macfdb_read_for_bridge(zns
, ifp
, zif
->brslave_info
.br_if
);
3906 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
, zif
->brslave_info
.br_if
);
3909 /* Add SVI MAC-IP */
3910 zvni_add_macip_for_intf(vlan_if
, zvni
);
3912 /* Add VRR MAC-IP - if any*/
3913 vrr_if
= zebra_get_vrr_intf_for_svi(vlan_if
);
3915 zvni_add_macip_for_intf(vrr_if
, zvni
);
3917 neigh_read_for_vlan(zns
, vlan_if
);
3922 * Hash function for VNI.
3924 static unsigned int vni_hash_keymake(const void *p
)
3926 const zebra_vni_t
*zvni
= p
;
3928 return (jhash_1word(zvni
->vni
, 0));
3932 * Compare 2 VNI hash entries.
3934 static bool vni_hash_cmp(const void *p1
, const void *p2
)
3936 const zebra_vni_t
*zvni1
= p1
;
3937 const zebra_vni_t
*zvni2
= p2
;
3939 return (zvni1
->vni
== zvni2
->vni
);
3942 static int vni_list_cmp(void *p1
, void *p2
)
3944 const zebra_vni_t
*zvni1
= p1
;
3945 const zebra_vni_t
*zvni2
= p2
;
3947 if (zvni1
->vni
== zvni2
->vni
)
3949 return (zvni1
->vni
< zvni2
->vni
) ? -1 : 1;
3953 * Callback to allocate VNI hash entry.
3955 static void *zvni_alloc(void *p
)
3957 const zebra_vni_t
*tmp_vni
= p
;
3960 zvni
= XCALLOC(MTYPE_ZVNI
, sizeof(zebra_vni_t
));
3961 zvni
->vni
= tmp_vni
->vni
;
3962 return ((void *)zvni
);
3966 * Look up VNI hash entry.
3968 static zebra_vni_t
*zvni_lookup(vni_t vni
)
3970 struct zebra_vrf
*zvrf
;
3971 zebra_vni_t tmp_vni
;
3972 zebra_vni_t
*zvni
= NULL
;
3974 zvrf
= zebra_vrf_get_evpn();
3976 memset(&tmp_vni
, 0, sizeof(zebra_vni_t
));
3978 zvni
= hash_lookup(zvrf
->vni_table
, &tmp_vni
);
3984 * Add VNI hash entry.
3986 static zebra_vni_t
*zvni_add(vni_t vni
)
3988 struct zebra_vrf
*zvrf
;
3989 zebra_vni_t tmp_zvni
;
3990 zebra_vni_t
*zvni
= NULL
;
3992 zvrf
= zebra_vrf_get_evpn();
3994 memset(&tmp_zvni
, 0, sizeof(zebra_vni_t
));
3996 zvni
= hash_get(zvrf
->vni_table
, &tmp_zvni
, zvni_alloc
);
3999 /* Create hash table for MAC */
4001 hash_create(mac_hash_keymake
, mac_cmp
, "Zebra VNI MAC Table");
4003 /* Create hash table for neighbors */
4004 zvni
->neigh_table
= hash_create(neigh_hash_keymake
, neigh_cmp
,
4005 "Zebra VNI Neighbor Table");
4011 * Delete VNI hash entry.
4013 static int zvni_del(zebra_vni_t
*zvni
)
4015 struct zebra_vrf
*zvrf
;
4016 zebra_vni_t
*tmp_zvni
;
4018 zvrf
= zebra_vrf_get_evpn();
4021 zvni
->vxlan_if
= NULL
;
4023 /* Remove references to the BUM mcast grp */
4024 zebra_vxlan_sg_deref(zvni
->local_vtep_ip
, zvni
->mcast_grp
);
4026 /* Free the neighbor hash table. */
4027 hash_free(zvni
->neigh_table
);
4028 zvni
->neigh_table
= NULL
;
4030 /* Free the MAC hash table. */
4031 hash_free(zvni
->mac_table
);
4032 zvni
->mac_table
= NULL
;
4034 /* Free the VNI hash entry and allocated memory. */
4035 tmp_zvni
= hash_release(zvrf
->vni_table
, zvni
);
4036 XFREE(MTYPE_ZVNI
, tmp_zvni
);
4042 * Inform BGP about local VNI addition.
4044 static int zvni_send_add_to_client(zebra_vni_t
*zvni
)
4046 struct zserv
*client
;
4049 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
4050 /* BGP may not be running. */
4054 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
4056 zclient_create_header(s
, ZEBRA_VNI_ADD
, zebra_vrf_get_evpn_id());
4057 stream_putl(s
, zvni
->vni
);
4058 stream_put_in_addr(s
, &zvni
->local_vtep_ip
);
4059 stream_put(s
, &zvni
->vrf_id
, sizeof(vrf_id_t
)); /* tenant vrf */
4060 stream_put_in_addr(s
, &zvni
->mcast_grp
);
4062 /* Write packet size. */
4063 stream_putw_at(s
, 0, stream_get_endp(s
));
4065 if (IS_ZEBRA_DEBUG_VXLAN
)
4066 zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni
->vni
,
4067 inet_ntoa(zvni
->local_vtep_ip
),
4068 vrf_id_to_name(zvni
->vrf_id
),
4069 zebra_route_string(client
->proto
));
4071 client
->vniadd_cnt
++;
4072 return zserv_send_message(client
, s
);
4076 * Inform BGP about local VNI deletion.
4078 static int zvni_send_del_to_client(vni_t vni
)
4080 struct zserv
*client
;
4083 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
4084 /* BGP may not be running. */
4088 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
4091 zclient_create_header(s
, ZEBRA_VNI_DEL
, zebra_vrf_get_evpn_id());
4092 stream_putl(s
, vni
);
4094 /* Write packet size. */
4095 stream_putw_at(s
, 0, stream_get_endp(s
));
4097 if (IS_ZEBRA_DEBUG_VXLAN
)
4098 zlog_debug("Send VNI_DEL %u to %s", vni
,
4099 zebra_route_string(client
->proto
));
4101 client
->vnidel_cnt
++;
4102 return zserv_send_message(client
, s
);
4106 * Build the VNI hash table by going over the VxLAN interfaces. This
4107 * is called when EVPN (advertise-all-vni) is enabled.
4109 static void zvni_build_hash_table(void)
4111 struct zebra_ns
*zns
;
4112 struct route_node
*rn
;
4113 struct interface
*ifp
;
4115 /* Walk VxLAN interfaces and create VNI hash. */
4116 zns
= zebra_ns_lookup(NS_DEFAULT
);
4117 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
4119 zebra_vni_t
*zvni
= NULL
;
4120 zebra_l3vni_t
*zl3vni
= NULL
;
4121 struct zebra_if
*zif
;
4122 struct zebra_l2info_vxlan
*vxl
;
4124 ifp
= (struct interface
*)rn
->info
;
4128 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VXLAN
)
4131 vxl
= &zif
->l2info
.vxl
;
4134 /* L3-VNI and L2-VNI are handled seperately */
4135 zl3vni
= zl3vni_lookup(vni
);
4138 if (IS_ZEBRA_DEBUG_VXLAN
)
4140 "create L3-VNI hash for Intf %s(%u) L3-VNI %u",
4141 ifp
->name
, ifp
->ifindex
, vni
);
4143 /* associate with vxlan_if */
4144 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
4145 zl3vni
->vxlan_if
= ifp
;
4148 * we need to associate with SVI.
4149 * we can associate with svi-if only after association
4150 * with vxlan-intf is complete
4152 zl3vni
->svi_if
= zl3vni_map_to_svi_if(zl3vni
);
4154 if (is_l3vni_oper_up(zl3vni
))
4155 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
4158 struct interface
*vlan_if
= NULL
;
4160 if (IS_ZEBRA_DEBUG_VXLAN
)
4162 "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s",
4163 ifp
->name
, ifp
->ifindex
, vni
,
4164 inet_ntoa(vxl
->vtep_ip
));
4166 /* VNI hash entry is expected to exist, if the BGP process is killed */
4167 zvni
= zvni_lookup(vni
);
4170 "VNI hash already present for IF %s(%u) L2-VNI %u",
4171 ifp
->name
, ifp
->ifindex
, vni
);
4174 * Inform BGP if intf is up and mapped to
4177 if (if_is_operative(ifp
) &&
4178 zif
->brslave_info
.br_if
)
4179 zvni_send_add_to_client(zvni
);
4181 /* Send Local MAC-entries to client */
4182 zvni_send_mac_to_client(zvni
);
4184 /* Send Loval Neighbor entries to client */
4185 zvni_send_neigh_to_client(zvni
);
4187 zvni
= zvni_add(vni
);
4190 "Failed to add VNI hash, IF %s(%u) L2-VNI %u",
4191 ifp
->name
, ifp
->ifindex
, vni
);
4195 if (zvni
->local_vtep_ip
.s_addr
!=
4196 vxl
->vtep_ip
.s_addr
||
4197 zvni
->mcast_grp
.s_addr
!=
4198 vxl
->mcast_grp
.s_addr
) {
4199 zebra_vxlan_sg_deref(
4200 zvni
->local_vtep_ip
,
4202 zebra_vxlan_sg_ref(vxl
->vtep_ip
,
4204 zvni
->local_vtep_ip
= vxl
->vtep_ip
;
4205 zvni
->mcast_grp
= vxl
->mcast_grp
;
4207 zvni
->vxlan_if
= ifp
;
4208 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
,
4209 zif
->brslave_info
.br_if
);
4211 zvni
->vrf_id
= vlan_if
->vrf_id
;
4212 zl3vni
= zl3vni_from_vrf(
4216 zl3vni
->l2vnis
, zvni
);
4220 * Inform BGP if intf is up and mapped to
4223 if (if_is_operative(ifp
) &&
4224 zif
->brslave_info
.br_if
)
4225 zvni_send_add_to_client(zvni
);
4232 * See if remote VTEP matches with prefix.
4234 static int zvni_vtep_match(struct in_addr
*vtep_ip
, zebra_vtep_t
*zvtep
)
4236 return (IPV4_ADDR_SAME(vtep_ip
, &zvtep
->vtep_ip
));
4240 * Locate remote VTEP in VNI hash table.
4242 static zebra_vtep_t
*zvni_vtep_find(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
)
4244 zebra_vtep_t
*zvtep
;
4249 for (zvtep
= zvni
->vteps
; zvtep
; zvtep
= zvtep
->next
) {
4250 if (zvni_vtep_match(vtep_ip
, zvtep
))
4258 * Add remote VTEP to VNI hash table.
4260 static zebra_vtep_t
*zvni_vtep_add(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
,
4264 zebra_vtep_t
*zvtep
;
4266 zvtep
= XCALLOC(MTYPE_ZVNI_VTEP
, sizeof(zebra_vtep_t
));
4268 zvtep
->vtep_ip
= *vtep_ip
;
4269 zvtep
->flood_control
= flood_control
;
4272 zvni
->vteps
->prev
= zvtep
;
4273 zvtep
->next
= zvni
->vteps
;
4274 zvni
->vteps
= zvtep
;
4280 * Remove remote VTEP from VNI hash table.
4282 static int zvni_vtep_del(zebra_vni_t
*zvni
, zebra_vtep_t
*zvtep
)
4285 zvtep
->next
->prev
= zvtep
->prev
;
4287 zvtep
->prev
->next
= zvtep
->next
;
4289 zvni
->vteps
= zvtep
->next
;
4291 zvtep
->prev
= zvtep
->next
= NULL
;
4292 XFREE(MTYPE_ZVNI_VTEP
, zvtep
);
4298 * Delete all remote VTEPs for this VNI (upon VNI delete). Also
4299 * uninstall from kernel if asked to.
4301 static int zvni_vtep_del_all(zebra_vni_t
*zvni
, int uninstall
)
4303 zebra_vtep_t
*zvtep
, *zvtep_next
;
4308 for (zvtep
= zvni
->vteps
; zvtep
; zvtep
= zvtep_next
) {
4309 zvtep_next
= zvtep
->next
;
4311 zvni_vtep_uninstall(zvni
, &zvtep
->vtep_ip
);
4312 zvni_vtep_del(zvni
, zvtep
);
4319 * Install remote VTEP into the kernel if the remote VTEP has asked
4320 * for head-end-replication.
4322 static int zvni_vtep_install(zebra_vni_t
*zvni
, zebra_vtep_t
*zvtep
)
4324 if (is_vxlan_flooding_head_end() &&
4325 (zvtep
->flood_control
== VXLAN_FLOOD_HEAD_END_REPL
)) {
4326 if (ZEBRA_DPLANE_REQUEST_FAILURE
==
4327 dplane_vtep_add(zvni
->vxlan_if
,
4328 &zvtep
->vtep_ip
, zvni
->vni
))
4336 * Uninstall remote VTEP from the kernel.
4338 static int zvni_vtep_uninstall(zebra_vni_t
*zvni
, struct in_addr
*vtep_ip
)
4340 if (!zvni
->vxlan_if
) {
4341 zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf",
4346 if (ZEBRA_DPLANE_REQUEST_FAILURE
==
4347 dplane_vtep_delete(zvni
->vxlan_if
, vtep_ip
, zvni
->vni
))
4354 * Install or uninstall flood entries in the kernel corresponding to
4355 * remote VTEPs. This is invoked upon change to BUM handling.
4357 static void zvni_handle_flooding_remote_vteps(struct hash_bucket
*bucket
,
4361 zebra_vtep_t
*zvtep
;
4363 zvni
= (zebra_vni_t
*)bucket
->data
;
4367 for (zvtep
= zvni
->vteps
; zvtep
; zvtep
= zvtep
->next
) {
4368 if (is_vxlan_flooding_head_end())
4369 zvni_vtep_install(zvni
, zvtep
);
4371 zvni_vtep_uninstall(zvni
, &zvtep
->vtep_ip
);
4376 * Cleanup VNI/VTEP and update kernel
4378 static void zvni_cleanup_all(struct hash_bucket
*bucket
, void *arg
)
4380 zebra_vni_t
*zvni
= NULL
;
4381 zebra_l3vni_t
*zl3vni
= NULL
;
4382 struct zebra_vrf
*zvrf
= (struct zebra_vrf
*)arg
;
4384 zvni
= (zebra_vni_t
*)bucket
->data
;
4386 /* remove from l3-vni list */
4388 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
4390 listnode_delete(zl3vni
->l2vnis
, zvni
);
4392 /* Free up all neighbors and MACs, if any. */
4393 zvni_neigh_del_all(zvni
, 1, 0, DEL_ALL_NEIGH
);
4394 zvni_mac_del_all(zvni
, 1, 0, DEL_ALL_MAC
);
4396 /* Free up all remote VTEPs, if any. */
4397 zvni_vtep_del_all(zvni
, 1);
4399 /* Delete the hash entry. */
4404 static void zl3vni_cleanup_all(struct hash_bucket
*bucket
, void *args
)
4406 zebra_l3vni_t
*zl3vni
= NULL
;
4408 zl3vni
= (zebra_l3vni_t
*)bucket
->data
;
4410 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
4413 static void rb_find_or_add_host(struct host_rb_tree_entry
*hrbe
,
4414 struct prefix
*host
)
4416 struct host_rb_entry lookup
;
4417 struct host_rb_entry
*hle
;
4419 memset(&lookup
, 0, sizeof(lookup
));
4420 memcpy(&lookup
.p
, host
, sizeof(*host
));
4422 hle
= RB_FIND(host_rb_tree_entry
, hrbe
, &lookup
);
4426 hle
= XCALLOC(MTYPE_HOST_PREFIX
, sizeof(struct host_rb_entry
));
4427 memcpy(hle
, &lookup
, sizeof(lookup
));
4429 RB_INSERT(host_rb_tree_entry
, hrbe
, hle
);
4432 static void rb_delete_host(struct host_rb_tree_entry
*hrbe
, struct prefix
*host
)
4434 struct host_rb_entry lookup
;
4435 struct host_rb_entry
*hle
;
4437 memset(&lookup
, 0, sizeof(lookup
));
4438 memcpy(&lookup
.p
, host
, sizeof(*host
));
4440 hle
= RB_FIND(host_rb_tree_entry
, hrbe
, &lookup
);
4442 RB_REMOVE(host_rb_tree_entry
, hrbe
, hle
);
4443 XFREE(MTYPE_HOST_PREFIX
, hle
);
4450 * Look up MAC hash entry.
4452 static zebra_mac_t
*zl3vni_rmac_lookup(zebra_l3vni_t
*zl3vni
,
4453 struct ethaddr
*rmac
)
4458 memset(&tmp
, 0, sizeof(tmp
));
4459 memcpy(&tmp
.macaddr
, rmac
, ETH_ALEN
);
4460 pmac
= hash_lookup(zl3vni
->rmac_table
, &tmp
);
4466 * Callback to allocate RMAC hash entry.
4468 static void *zl3vni_rmac_alloc(void *p
)
4470 const zebra_mac_t
*tmp_rmac
= p
;
4473 zrmac
= XCALLOC(MTYPE_MAC
, sizeof(zebra_mac_t
));
4476 return ((void *)zrmac
);
4480 * Add RMAC entry to l3-vni
4482 static zebra_mac_t
*zl3vni_rmac_add(zebra_l3vni_t
*zl3vni
, struct ethaddr
*rmac
)
4484 zebra_mac_t tmp_rmac
;
4485 zebra_mac_t
*zrmac
= NULL
;
4487 memset(&tmp_rmac
, 0, sizeof(zebra_mac_t
));
4488 memcpy(&tmp_rmac
.macaddr
, rmac
, ETH_ALEN
);
4489 zrmac
= hash_get(zl3vni
->rmac_table
, &tmp_rmac
, zl3vni_rmac_alloc
);
4492 RB_INIT(host_rb_tree_entry
, &zrmac
->host_rb
);
4494 SET_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE
);
4495 SET_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE_RMAC
);
4503 static int zl3vni_rmac_del(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
)
4505 zebra_mac_t
*tmp_rmac
;
4506 struct host_rb_entry
*hle
;
4508 while (!RB_EMPTY(host_rb_tree_entry
, &zrmac
->host_rb
)) {
4509 hle
= RB_ROOT(host_rb_tree_entry
, &zrmac
->host_rb
);
4511 RB_REMOVE(host_rb_tree_entry
, &zrmac
->host_rb
, hle
);
4512 XFREE(MTYPE_HOST_PREFIX
, hle
);
4515 tmp_rmac
= hash_release(zl3vni
->rmac_table
, zrmac
);
4516 XFREE(MTYPE_MAC
, tmp_rmac
);
4522 * Install remote RMAC into the forwarding plane.
4524 static int zl3vni_rmac_install(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
)
4526 const struct zebra_if
*zif
= NULL
, *br_zif
= NULL
;
4527 const struct zebra_l2info_vxlan
*vxl
= NULL
;
4528 const struct interface
*br_ifp
;
4529 enum zebra_dplane_result res
;
4532 if (!(CHECK_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE
))
4533 || !(CHECK_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE_RMAC
)))
4536 zif
= zl3vni
->vxlan_if
->info
;
4540 br_ifp
= zif
->brslave_info
.br_if
;
4544 vxl
= &zif
->l2info
.vxl
;
4546 br_zif
= (const struct zebra_if
*)br_ifp
->info
;
4548 if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif
))
4549 vid
= vxl
->access_vlan
;
4553 res
= dplane_mac_add(zl3vni
->vxlan_if
, br_ifp
, vid
,
4554 &zrmac
->macaddr
, zrmac
->fwd_info
.r_vtep_ip
, 0);
4555 if (res
!= ZEBRA_DPLANE_REQUEST_FAILURE
)
4562 * Uninstall remote RMAC from the forwarding plane.
4564 static int zl3vni_rmac_uninstall(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
)
4566 char buf
[ETHER_ADDR_STRLEN
];
4567 const struct zebra_if
*zif
= NULL
, *br_zif
;
4568 const struct zebra_l2info_vxlan
*vxl
= NULL
;
4569 const struct interface
*br_ifp
;
4571 enum zebra_dplane_result res
;
4573 if (!(CHECK_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE
))
4574 || !(CHECK_FLAG(zrmac
->flags
, ZEBRA_MAC_REMOTE_RMAC
)))
4577 if (!zl3vni
->vxlan_if
) {
4578 if (IS_ZEBRA_DEBUG_VXLAN
)
4580 "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if",
4581 prefix_mac2str(&zrmac
->macaddr
,
4583 zl3vni
->vni
, zl3vni
);
4587 zif
= zl3vni
->vxlan_if
->info
;
4591 br_ifp
= zif
->brslave_info
.br_if
;
4595 vxl
= &zif
->l2info
.vxl
;
4597 br_zif
= (const struct zebra_if
*)br_ifp
->info
;
4598 if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif
))
4599 vid
= vxl
->access_vlan
;
4603 res
= dplane_mac_del(zl3vni
->vxlan_if
, br_ifp
, vid
,
4604 &zrmac
->macaddr
, zrmac
->fwd_info
.r_vtep_ip
);
4605 if (res
!= ZEBRA_DPLANE_REQUEST_FAILURE
)
4611 /* handle rmac add */
4612 static int zl3vni_remote_rmac_add(zebra_l3vni_t
*zl3vni
, struct ethaddr
*rmac
,
4613 struct ipaddr
*vtep_ip
,
4614 struct prefix
*host_prefix
)
4616 char buf
[ETHER_ADDR_STRLEN
];
4617 char buf1
[INET6_ADDRSTRLEN
];
4618 zebra_mac_t
*zrmac
= NULL
;
4620 zrmac
= zl3vni_rmac_lookup(zl3vni
, rmac
);
4623 zrmac
= zl3vni_rmac_add(zl3vni
, rmac
);
4626 "Failed to add RMAC %s L3VNI %u Remote VTEP %s",
4627 prefix_mac2str(rmac
, buf
, sizeof(buf
)),
4629 ipaddr2str(vtep_ip
, buf1
, sizeof(buf1
)));
4632 memset(&zrmac
->fwd_info
, 0, sizeof(zrmac
->fwd_info
));
4633 zrmac
->fwd_info
.r_vtep_ip
= vtep_ip
->ipaddr_v4
;
4635 /* Send RMAC for FPM processing */
4636 hook_call(zebra_rmac_update
, zrmac
, zl3vni
, false,
4639 /* install rmac in kernel */
4640 zl3vni_rmac_install(zl3vni
, zrmac
);
4643 rb_find_or_add_host(&zrmac
->host_rb
, host_prefix
);
4649 /* handle rmac delete */
4650 static void zl3vni_remote_rmac_del(zebra_l3vni_t
*zl3vni
, zebra_mac_t
*zrmac
,
4651 struct prefix
*host_prefix
)
4653 rb_delete_host(&zrmac
->host_rb
, host_prefix
);
4655 if (RB_EMPTY(host_rb_tree_entry
, &zrmac
->host_rb
)) {
4656 /* uninstall from kernel */
4657 zl3vni_rmac_uninstall(zl3vni
, zrmac
);
4659 /* Send RMAC for FPM processing */
4660 hook_call(zebra_rmac_update
, zrmac
, zl3vni
, true,
4663 /* del the rmac entry */
4664 zl3vni_rmac_del(zl3vni
, zrmac
);
4669 * Look up nh hash entry on a l3-vni.
4671 static zebra_neigh_t
*zl3vni_nh_lookup(zebra_l3vni_t
*zl3vni
, struct ipaddr
*ip
)
4676 memset(&tmp
, 0, sizeof(tmp
));
4677 memcpy(&tmp
.ip
, ip
, sizeof(struct ipaddr
));
4678 n
= hash_lookup(zl3vni
->nh_table
, &tmp
);
4685 * Callback to allocate NH hash entry on L3-VNI.
4687 static void *zl3vni_nh_alloc(void *p
)
4689 const zebra_neigh_t
*tmp_n
= p
;
4692 n
= XCALLOC(MTYPE_NEIGH
, sizeof(zebra_neigh_t
));
4699 * Add neighbor entry.
4701 static zebra_neigh_t
*zl3vni_nh_add(zebra_l3vni_t
*zl3vni
, struct ipaddr
*ip
,
4702 struct ethaddr
*mac
)
4704 zebra_neigh_t tmp_n
;
4705 zebra_neigh_t
*n
= NULL
;
4707 memset(&tmp_n
, 0, sizeof(zebra_neigh_t
));
4708 memcpy(&tmp_n
.ip
, ip
, sizeof(struct ipaddr
));
4709 n
= hash_get(zl3vni
->nh_table
, &tmp_n
, zl3vni_nh_alloc
);
4712 RB_INIT(host_rb_tree_entry
, &n
->host_rb
);
4714 memcpy(&n
->emac
, mac
, ETH_ALEN
);
4715 SET_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
);
4716 SET_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE_NH
);
4722 * Delete neighbor entry.
4724 static int zl3vni_nh_del(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
)
4726 zebra_neigh_t
*tmp_n
;
4727 struct host_rb_entry
*hle
;
4729 while (!RB_EMPTY(host_rb_tree_entry
, &n
->host_rb
)) {
4730 hle
= RB_ROOT(host_rb_tree_entry
, &n
->host_rb
);
4732 RB_REMOVE(host_rb_tree_entry
, &n
->host_rb
, hle
);
4733 XFREE(MTYPE_HOST_PREFIX
, hle
);
4736 tmp_n
= hash_release(zl3vni
->nh_table
, n
);
4737 XFREE(MTYPE_NEIGH
, tmp_n
);
4743 * Install remote nh as neigh into the kernel.
4745 static int zl3vni_nh_install(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
)
4750 if (!is_l3vni_oper_up(zl3vni
))
4753 if (!(n
->flags
& ZEBRA_NEIGH_REMOTE
)
4754 || !(n
->flags
& ZEBRA_NEIGH_REMOTE_NH
))
4757 flags
= DPLANE_NTF_EXT_LEARNED
;
4758 if (n
->flags
& ZEBRA_NEIGH_ROUTER_FLAG
)
4759 flags
|= DPLANE_NTF_ROUTER
;
4761 dplane_neigh_add(zl3vni
->svi_if
, &n
->ip
, &n
->emac
, flags
);
4767 * Uninstall remote nh from the kernel.
4769 static int zl3vni_nh_uninstall(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*n
)
4771 if (!(n
->flags
& ZEBRA_NEIGH_REMOTE
)
4772 || !(n
->flags
& ZEBRA_NEIGH_REMOTE_NH
))
4775 if (!zl3vni
->svi_if
|| !if_is_operative(zl3vni
->svi_if
))
4778 dplane_neigh_delete(zl3vni
->svi_if
, &n
->ip
);
4783 /* add remote vtep as a neigh entry */
4784 static int zl3vni_remote_nh_add(zebra_l3vni_t
*zl3vni
, struct ipaddr
*vtep_ip
,
4785 struct ethaddr
*rmac
,
4786 struct prefix
*host_prefix
)
4788 char buf
[ETHER_ADDR_STRLEN
];
4789 char buf1
[INET6_ADDRSTRLEN
];
4790 zebra_neigh_t
*nh
= NULL
;
4792 nh
= zl3vni_nh_lookup(zl3vni
, vtep_ip
);
4794 nh
= zl3vni_nh_add(zl3vni
, vtep_ip
, rmac
);
4798 "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)",
4799 ipaddr2str(vtep_ip
, buf1
, sizeof(buf1
)),
4800 prefix_mac2str(rmac
, buf
, sizeof(buf
)),
4805 /* install the nh neigh in kernel */
4806 zl3vni_nh_install(zl3vni
, nh
);
4809 rb_find_or_add_host(&nh
->host_rb
, host_prefix
);
4814 /* handle nh neigh delete */
4815 static void zl3vni_remote_nh_del(zebra_l3vni_t
*zl3vni
, zebra_neigh_t
*nh
,
4816 struct prefix
*host_prefix
)
4818 rb_delete_host(&nh
->host_rb
, host_prefix
);
4820 if (RB_EMPTY(host_rb_tree_entry
, &nh
->host_rb
)) {
4821 /* uninstall from kernel */
4822 zl3vni_nh_uninstall(zl3vni
, nh
);
4824 /* delete the nh entry */
4825 zl3vni_nh_del(zl3vni
, nh
);
4829 /* handle neigh update from kernel - the only thing of interest is to
4830 * readd stale entries.
4832 static int zl3vni_local_nh_add_update(zebra_l3vni_t
*zl3vni
, struct ipaddr
*ip
,
4836 zebra_neigh_t
*n
= NULL
;
4838 n
= zl3vni_nh_lookup(zl3vni
, ip
);
4842 /* all next hop neigh are remote and installed by frr.
4843 * If the kernel has aged this entry, re-install.
4845 if (state
& NUD_STALE
)
4846 zl3vni_nh_install(zl3vni
, n
);
4851 /* handle neigh delete from kernel */
4852 static int zl3vni_local_nh_del(zebra_l3vni_t
*zl3vni
, struct ipaddr
*ip
)
4854 zebra_neigh_t
*n
= NULL
;
4856 n
= zl3vni_nh_lookup(zl3vni
, ip
);
4860 /* all next hop neigh are remote and installed by frr.
4861 * If we get an age out notification for these neigh entries, we have to
4864 zl3vni_nh_install(zl3vni
, n
);
4870 * Hash function for L3 VNI.
4872 static unsigned int l3vni_hash_keymake(const void *p
)
4874 const zebra_l3vni_t
*zl3vni
= p
;
4876 return jhash_1word(zl3vni
->vni
, 0);
4880 * Compare 2 L3 VNI hash entries.
4882 static bool l3vni_hash_cmp(const void *p1
, const void *p2
)
4884 const zebra_l3vni_t
*zl3vni1
= p1
;
4885 const zebra_l3vni_t
*zl3vni2
= p2
;
4887 return (zl3vni1
->vni
== zl3vni2
->vni
);
4891 * Callback to allocate L3 VNI hash entry.
4893 static void *zl3vni_alloc(void *p
)
4895 zebra_l3vni_t
*zl3vni
= NULL
;
4896 const zebra_l3vni_t
*tmp_l3vni
= p
;
4898 zl3vni
= XCALLOC(MTYPE_ZL3VNI
, sizeof(zebra_l3vni_t
));
4899 zl3vni
->vni
= tmp_l3vni
->vni
;
4900 return ((void *)zl3vni
);
4904 * Look up L3 VNI hash entry.
4906 static zebra_l3vni_t
*zl3vni_lookup(vni_t vni
)
4908 zebra_l3vni_t tmp_l3vni
;
4909 zebra_l3vni_t
*zl3vni
= NULL
;
4911 memset(&tmp_l3vni
, 0, sizeof(zebra_l3vni_t
));
4912 tmp_l3vni
.vni
= vni
;
4913 zl3vni
= hash_lookup(zrouter
.l3vni_table
, &tmp_l3vni
);
4919 * Add L3 VNI hash entry.
4921 static zebra_l3vni_t
*zl3vni_add(vni_t vni
, vrf_id_t vrf_id
)
4923 zebra_l3vni_t tmp_zl3vni
;
4924 zebra_l3vni_t
*zl3vni
= NULL
;
4926 memset(&tmp_zl3vni
, 0, sizeof(zebra_l3vni_t
));
4927 tmp_zl3vni
.vni
= vni
;
4929 zl3vni
= hash_get(zrouter
.l3vni_table
, &tmp_zl3vni
, zl3vni_alloc
);
4932 zl3vni
->vrf_id
= vrf_id
;
4933 zl3vni
->svi_if
= NULL
;
4934 zl3vni
->vxlan_if
= NULL
;
4935 zl3vni
->l2vnis
= list_new();
4936 zl3vni
->l2vnis
->cmp
= vni_list_cmp
;
4938 /* Create hash table for remote RMAC */
4939 zl3vni
->rmac_table
= hash_create(mac_hash_keymake
, mac_cmp
,
4940 "Zebra L3-VNI RMAC-Table");
4942 /* Create hash table for neighbors */
4943 zl3vni
->nh_table
= hash_create(neigh_hash_keymake
, neigh_cmp
,
4944 "Zebra L3-VNI next-hop table");
4950 * Delete L3 VNI hash entry.
4952 static int zl3vni_del(zebra_l3vni_t
*zl3vni
)
4954 zebra_l3vni_t
*tmp_zl3vni
;
4956 /* free the list of l2vnis */
4957 list_delete(&zl3vni
->l2vnis
);
4958 zl3vni
->l2vnis
= NULL
;
4960 /* Free the rmac table */
4961 hash_free(zl3vni
->rmac_table
);
4962 zl3vni
->rmac_table
= NULL
;
4964 /* Free the nh table */
4965 hash_free(zl3vni
->nh_table
);
4966 zl3vni
->nh_table
= NULL
;
4968 /* Free the VNI hash entry and allocated memory. */
4969 tmp_zl3vni
= hash_release(zrouter
.l3vni_table
, zl3vni
);
4970 XFREE(MTYPE_ZL3VNI
, tmp_zl3vni
);
4975 struct interface
*zl3vni_map_to_vxlan_if(zebra_l3vni_t
*zl3vni
)
4977 struct zebra_ns
*zns
= NULL
;
4978 struct route_node
*rn
= NULL
;
4979 struct interface
*ifp
= NULL
;
4981 /* loop through all vxlan-interface */
4982 zns
= zebra_ns_lookup(NS_DEFAULT
);
4983 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
4985 struct zebra_if
*zif
= NULL
;
4986 struct zebra_l2info_vxlan
*vxl
= NULL
;
4988 ifp
= (struct interface
*)rn
->info
;
4993 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VXLAN
)
4996 vxl
= &zif
->l2info
.vxl
;
4997 if (vxl
->vni
== zl3vni
->vni
) {
4998 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
5006 struct interface
*zl3vni_map_to_svi_if(zebra_l3vni_t
*zl3vni
)
5008 struct zebra_if
*zif
= NULL
; /* zebra_if for vxlan_if */
5009 struct zebra_l2info_vxlan
*vxl
= NULL
; /* l2 info for vxlan_if */
5014 if (!zl3vni
->vxlan_if
)
5017 zif
= zl3vni
->vxlan_if
->info
;
5021 vxl
= &zif
->l2info
.vxl
;
5023 return zvni_map_to_svi(vxl
->access_vlan
, zif
->brslave_info
.br_if
);
5026 zebra_l3vni_t
*zl3vni_from_vrf(vrf_id_t vrf_id
)
5028 struct zebra_vrf
*zvrf
= NULL
;
5030 zvrf
= zebra_vrf_lookup_by_id(vrf_id
);
5034 return zl3vni_lookup(zvrf
->l3vni
);
5038 * Map SVI and associated bridge to a VNI. This is invoked upon getting
5039 * neighbor notifications, to see if they are of interest.
5041 static zebra_l3vni_t
*zl3vni_from_svi(struct interface
*ifp
,
5042 struct interface
*br_if
)
5046 uint8_t bridge_vlan_aware
= 0;
5047 zebra_l3vni_t
*zl3vni
= NULL
;
5048 struct zebra_ns
*zns
= NULL
;
5049 struct route_node
*rn
= NULL
;
5050 struct zebra_if
*zif
= NULL
;
5051 struct interface
*tmp_if
= NULL
;
5052 struct zebra_l2info_bridge
*br
= NULL
;
5053 struct zebra_l2info_vxlan
*vxl
= NULL
;
5058 /* Make sure the linked interface is a bridge. */
5059 if (!IS_ZEBRA_IF_BRIDGE(br_if
))
5062 /* Determine if bridge is VLAN-aware or not */
5065 br
= &zif
->l2info
.br
;
5066 bridge_vlan_aware
= br
->vlan_aware
;
5067 if (bridge_vlan_aware
) {
5068 struct zebra_l2info_vlan
*vl
;
5070 if (!IS_ZEBRA_IF_VLAN(ifp
))
5075 vl
= &zif
->l2info
.vl
;
5079 /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
5080 /* TODO: Optimize with a hash. */
5081 zns
= zebra_ns_lookup(NS_DEFAULT
);
5082 for (rn
= route_top(zns
->if_table
); rn
; rn
= route_next(rn
)) {
5083 tmp_if
= (struct interface
*)rn
->info
;
5087 if (!zif
|| zif
->zif_type
!= ZEBRA_IF_VXLAN
)
5089 if (!if_is_operative(tmp_if
))
5091 vxl
= &zif
->l2info
.vxl
;
5093 if (zif
->brslave_info
.br_if
!= br_if
)
5096 if (!bridge_vlan_aware
|| vxl
->access_vlan
== vid
) {
5105 zl3vni
= zl3vni_lookup(vxl
->vni
);
5110 * Inform BGP about l3-vni.
5112 static int zl3vni_send_add_to_client(zebra_l3vni_t
*zl3vni
)
5114 struct stream
*s
= NULL
;
5115 struct zserv
*client
= NULL
;
5116 struct ethaddr rmac
;
5117 char buf
[ETHER_ADDR_STRLEN
];
5119 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
5120 /* BGP may not be running. */
5125 memset(&rmac
, 0, sizeof(struct ethaddr
));
5126 zl3vni_get_rmac(zl3vni
, &rmac
);
5128 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
5130 zclient_create_header(s
, ZEBRA_L3VNI_ADD
, zl3vni_vrf_id(zl3vni
));
5131 stream_putl(s
, zl3vni
->vni
);
5132 stream_put(s
, &rmac
, sizeof(struct ethaddr
));
5133 stream_put_in_addr(s
, &zl3vni
->local_vtep_ip
);
5134 stream_put(s
, &zl3vni
->filter
, sizeof(int));
5135 stream_putl(s
, zl3vni
->svi_if
->ifindex
);
5137 /* Write packet size. */
5138 stream_putw_at(s
, 0, stream_get_endp(s
));
5140 if (IS_ZEBRA_DEBUG_VXLAN
)
5142 "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s",
5143 zl3vni
->vni
, vrf_id_to_name(zl3vni_vrf_id(zl3vni
)),
5144 prefix_mac2str(&rmac
, buf
, sizeof(buf
)),
5145 inet_ntoa(zl3vni
->local_vtep_ip
),
5146 CHECK_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
)
5147 ? "prefix-routes-only"
5149 zebra_route_string(client
->proto
));
5151 client
->l3vniadd_cnt
++;
5152 return zserv_send_message(client
, s
);
5156 * Inform BGP about local l3-VNI deletion.
5158 static int zl3vni_send_del_to_client(zebra_l3vni_t
*zl3vni
)
5160 struct stream
*s
= NULL
;
5161 struct zserv
*client
= NULL
;
5163 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
5164 /* BGP may not be running. */
5168 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
5170 zclient_create_header(s
, ZEBRA_L3VNI_DEL
, zl3vni_vrf_id(zl3vni
));
5171 stream_putl(s
, zl3vni
->vni
);
5173 /* Write packet size. */
5174 stream_putw_at(s
, 0, stream_get_endp(s
));
5176 if (IS_ZEBRA_DEBUG_VXLAN
)
5177 zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni
->vni
,
5178 vrf_id_to_name(zl3vni_vrf_id(zl3vni
)),
5179 zebra_route_string(client
->proto
));
5181 client
->l3vnidel_cnt
++;
5182 return zserv_send_message(client
, s
);
5185 static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t
*zl3vni
)
5190 /* send l3vni add to BGP */
5191 zl3vni_send_add_to_client(zl3vni
);
5194 static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t
*zl3vni
)
5199 /* send l3-vni del to BGP*/
5200 zl3vni_send_del_to_client(zl3vni
);
5203 static void zvni_add_to_l3vni_list(struct hash_bucket
*bucket
, void *ctxt
)
5205 zebra_vni_t
*zvni
= (zebra_vni_t
*)bucket
->data
;
5206 zebra_l3vni_t
*zl3vni
= (zebra_l3vni_t
*)ctxt
;
5208 if (zvni
->vrf_id
== zl3vni_vrf_id(zl3vni
))
5209 listnode_add_sort(zl3vni
->l2vnis
, zvni
);
5213 * handle transition of vni from l2 to l3 and vice versa
5215 static int zebra_vxlan_handle_vni_transition(struct zebra_vrf
*zvrf
, vni_t vni
,
5218 zebra_vni_t
*zvni
= NULL
;
5220 /* There is a possibility that VNI notification was already received
5221 * from kernel and we programmed it as L2-VNI
5222 * In such a case we need to delete this L2-VNI first, so
5223 * that it can be reprogrammed as L3-VNI in the system. It is also
5224 * possible that the vrf-vni mapping is removed from FRR while the vxlan
5225 * interface is still present in kernel. In this case to keep it
5226 * symmetric, we will delete the l3-vni and reprogram it as l2-vni
5229 /* Locate hash entry */
5230 zvni
= zvni_lookup(vni
);
5234 if (IS_ZEBRA_DEBUG_VXLAN
)
5235 zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni
);
5237 /* Delete VNI from BGP. */
5238 zvni_send_del_to_client(zvni
->vni
);
5240 /* Free up all neighbors and MAC, if any. */
5241 zvni_neigh_del_all(zvni
, 0, 0, DEL_ALL_NEIGH
);
5242 zvni_mac_del_all(zvni
, 0, 0, DEL_ALL_MAC
);
5244 /* Free up all remote VTEPs, if any. */
5245 zvni_vtep_del_all(zvni
, 0);
5247 /* Delete the hash entry. */
5248 if (zvni_del(zvni
)) {
5249 flog_err(EC_ZEBRA_VNI_DEL_FAILED
,
5250 "Failed to del VNI hash %p, VNI %u", zvni
,
5255 /* TODO_MITESH: This needs to be thought through. We don't have
5256 * enough information at this point to reprogram the vni as
5257 * l2-vni. One way is to store the required info in l3-vni and
5258 * used it solely for this purpose
5265 /* delete and uninstall rmac hash entry */
5266 static void zl3vni_del_rmac_hash_entry(struct hash_bucket
*bucket
, void *ctx
)
5268 zebra_mac_t
*zrmac
= NULL
;
5269 zebra_l3vni_t
*zl3vni
= NULL
;
5271 zrmac
= (zebra_mac_t
*)bucket
->data
;
5272 zl3vni
= (zebra_l3vni_t
*)ctx
;
5273 zl3vni_rmac_uninstall(zl3vni
, zrmac
);
5275 /* Send RMAC for FPM processing */
5276 hook_call(zebra_rmac_update
, zrmac
, zl3vni
, true, "RMAC deleted");
5278 zl3vni_rmac_del(zl3vni
, zrmac
);
5281 /* delete and uninstall nh hash entry */
5282 static void zl3vni_del_nh_hash_entry(struct hash_bucket
*bucket
, void *ctx
)
5284 zebra_neigh_t
*n
= NULL
;
5285 zebra_l3vni_t
*zl3vni
= NULL
;
5287 n
= (zebra_neigh_t
*)bucket
->data
;
5288 zl3vni
= (zebra_l3vni_t
*)ctx
;
5289 zl3vni_nh_uninstall(zl3vni
, n
);
5290 zl3vni_nh_del(zl3vni
, n
);
5293 static int ip_prefix_send_to_client(vrf_id_t vrf_id
, struct prefix
*p
,
5296 struct zserv
*client
= NULL
;
5297 struct stream
*s
= NULL
;
5298 char buf
[PREFIX_STRLEN
];
5300 client
= zserv_find_client(ZEBRA_ROUTE_BGP
, 0);
5301 /* BGP may not be running. */
5305 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
5307 zclient_create_header(s
, cmd
, vrf_id
);
5308 stream_put(s
, p
, sizeof(struct prefix
));
5310 /* Write packet size. */
5311 stream_putw_at(s
, 0, stream_get_endp(s
));
5313 if (IS_ZEBRA_DEBUG_VXLAN
)
5314 zlog_debug("Send ip prefix %s %s on vrf %s",
5315 prefix2str(p
, buf
, sizeof(buf
)),
5316 (cmd
== ZEBRA_IP_PREFIX_ROUTE_ADD
) ? "ADD" : "DEL",
5317 vrf_id_to_name(vrf_id
));
5319 if (cmd
== ZEBRA_IP_PREFIX_ROUTE_ADD
)
5320 client
->prefixadd_cnt
++;
5322 client
->prefixdel_cnt
++;
5324 return zserv_send_message(client
, s
);
5327 /* re-add remote rmac if needed */
5328 static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t
*zl3vni
,
5329 struct ethaddr
*rmac
)
5331 char buf
[ETHER_ADDR_STRLEN
];
5332 zebra_mac_t
*zrmac
= NULL
;
5334 zrmac
= zl3vni_rmac_lookup(zl3vni
, rmac
);
5338 if (IS_ZEBRA_DEBUG_VXLAN
)
5339 zlog_debug("Del remote RMAC %s L3VNI %u - readd",
5340 prefix_mac2str(rmac
, buf
, sizeof(buf
)), zl3vni
->vni
);
5342 zl3vni_rmac_install(zl3vni
, zrmac
);
5346 /* Process a remote MACIP add from BGP. */
5347 static void process_remote_macip_add(vni_t vni
,
5348 struct ethaddr
*macaddr
,
5350 struct ipaddr
*ipaddr
,
5353 struct in_addr vtep_ip
)
5356 zebra_vtep_t
*zvtep
;
5357 zebra_mac_t
*mac
= NULL
, *old_mac
= NULL
;
5358 zebra_neigh_t
*n
= NULL
;
5359 int update_mac
= 0, update_neigh
= 0;
5360 char buf
[ETHER_ADDR_STRLEN
];
5361 char buf1
[INET6_ADDRSTRLEN
];
5362 struct interface
*ifp
= NULL
;
5363 struct zebra_if
*zif
= NULL
;
5364 struct zebra_vrf
*zvrf
;
5369 bool do_dad
= false;
5370 bool is_dup_detect
= false;
5372 /* Locate VNI hash entry - expected to exist. */
5373 zvni
= zvni_lookup(vni
);
5375 zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni
);
5379 ifp
= zvni
->vxlan_if
;
5383 !if_is_operative(ifp
) ||
5385 !zif
->brslave_info
.br_if
) {
5386 zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info",
5391 /* The remote VTEP specified should normally exist, but it is
5392 * possible that when peering comes up, peer may advertise MACIP
5393 * routes before advertising type-3 routes.
5395 zvtep
= zvni_vtep_find(zvni
, &vtep_ip
);
5397 zvtep
= zvni_vtep_add(zvni
, &vtep_ip
, VXLAN_FLOOD_DISABLED
);
5400 EC_ZEBRA_VTEP_ADD_FAILED
,
5401 "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD",
5406 zvni_vtep_install(zvni
, zvtep
);
5409 sticky
= !!CHECK_FLAG(flags
, ZEBRA_MACIP_TYPE_STICKY
);
5410 remote_gw
= !!CHECK_FLAG(flags
, ZEBRA_MACIP_TYPE_GW
);
5411 is_router
= !!CHECK_FLAG(flags
, ZEBRA_MACIP_TYPE_ROUTER_FLAG
);
5413 mac
= zvni_mac_lookup(zvni
, macaddr
);
5415 /* Ignore if the mac is already present as a gateway mac */
5417 CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
) &&
5418 CHECK_FLAG(flags
, ZEBRA_MACIP_TYPE_GW
)) {
5419 if (IS_ZEBRA_DEBUG_VXLAN
)
5420 zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC",
5422 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
5423 ipa_len
? " IP " : "",
5425 ipaddr2str(ipaddr
, buf1
, sizeof(buf1
)) : "");
5429 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
5433 /* check if the remote MAC is unknown or has a change.
5434 * If so, that needs to be updated first. Note that client could
5435 * install MAC and MACIP separately or just install the latter.
5438 || !CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)
5439 || sticky
!= !!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
)
5440 || remote_gw
!= !!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE_DEF_GW
)
5441 || !IPV4_ADDR_SAME(&mac
->fwd_info
.r_vtep_ip
, &vtep_ip
)
5442 || seq
!= mac
->rem_seq
)
5447 mac
= zvni_mac_add(zvni
, macaddr
);
5450 "Failed to add MAC %s VNI %u Remote VTEP %s",
5451 prefix_mac2str(macaddr
, buf
,
5453 vni
, inet_ntoa(vtep_ip
));
5457 /* Is this MAC created for a MACIP? */
5459 SET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
5461 /* When host moves but changes its (MAC,IP)
5462 * binding, BGP may install a MACIP entry that
5463 * corresponds to "older" location of the host
5464 * in transient situations (because {IP1,M1}
5465 * is a different route from {IP1,M2}). Check
5466 * the sequence number and ignore this update
5469 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
))
5470 tmp_seq
= mac
->loc_seq
;
5472 tmp_seq
= mac
->rem_seq
;
5474 if (seq
< tmp_seq
) {
5475 if (IS_ZEBRA_DEBUG_VXLAN
)
5476 zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing MAC has higher seq %u flags 0x%x",
5478 prefix_mac2str(macaddr
,
5480 ipa_len
? " IP " : "",
5483 buf1
, sizeof(buf1
)) : "",
5484 tmp_seq
, mac
->flags
);
5489 /* Check MAC's curent state is local (this is the case
5490 * where MAC has moved from L->R) and check previous
5491 * detection started via local learning.
5492 * RFC-7432: A PE/VTEP that detects a MAC mobility
5493 * event via local learning starts an M-second timer.
5495 * VTEP-IP or seq. change alone is not considered
5496 * for dup. detection.
5498 * MAC is already marked duplicate set dad, then
5499 * is_dup_detect will be set to not install the entry.
5501 if ((!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
) &&
5503 CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
5506 /* Remove local MAC from BGP. */
5507 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
))
5508 zvni_mac_send_del_to_client(zvni
->vni
, macaddr
);
5510 /* Set "auto" and "remote" forwarding info. */
5511 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
5512 memset(&mac
->fwd_info
, 0, sizeof(mac
->fwd_info
));
5513 SET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
);
5514 mac
->fwd_info
.r_vtep_ip
= vtep_ip
;
5517 SET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
5519 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
5522 SET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE_DEF_GW
);
5524 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE_DEF_GW
);
5526 zebra_vxlan_dup_addr_detect_for_mac(zvrf
, mac
,
5527 mac
->fwd_info
.r_vtep_ip
,
5528 do_dad
, &is_dup_detect
,
5531 if (!is_dup_detect
) {
5532 zvni_process_neigh_on_remote_mac_add(zvni
, mac
);
5533 /* Install the entry. */
5534 zvni_mac_install(zvni
, mac
);
5538 /* Update seq number. */
5541 /* If there is no IP, return after clearing AUTO flag of MAC. */
5543 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
5550 /* Check if the remote neighbor itself is unknown or has a
5551 * change. If so, create or update and then install the entry.
5553 n
= zvni_neigh_lookup(zvni
, ipaddr
);
5555 || !CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)
5556 || is_router
!= !!CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
)
5557 || (memcmp(&n
->emac
, macaddr
, sizeof(*macaddr
)) != 0)
5558 || !IPV4_ADDR_SAME(&n
->r_vtep_ip
, &vtep_ip
)
5559 || seq
!= n
->rem_seq
)
5564 n
= zvni_neigh_add(zvni
, ipaddr
, macaddr
);
5567 "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s",
5568 ipaddr2str(ipaddr
, buf1
,
5570 prefix_mac2str(macaddr
, buf
,
5572 vni
, inet_ntoa(vtep_ip
));
5579 /* When host moves but changes its (MAC,IP)
5580 * binding, BGP may install a MACIP entry that
5581 * corresponds to "older" location of the host
5582 * in transient situations (because {IP1,M1}
5583 * is a different route from {IP1,M2}). Check
5584 * the sequence number and ignore this update
5587 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
)) {
5588 tmp_seq
= n
->loc_seq
;
5591 tmp_seq
= n
->rem_seq
;
5594 if (seq
< tmp_seq
) {
5595 if (IS_ZEBRA_DEBUG_VXLAN
)
5596 zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u",
5598 prefix_mac2str(macaddr
,
5601 ipaddr2str(ipaddr
, buf1
, sizeof(buf1
)),
5606 if (memcmp(&n
->emac
, macaddr
, sizeof(*macaddr
)) != 0) {
5607 /* MAC change, send a delete for old
5608 * neigh if learnt locally.
5610 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
) &&
5611 IS_ZEBRA_NEIGH_ACTIVE(n
))
5612 zvni_neigh_send_del_to_client(
5614 &n
->emac
, 0, n
->state
);
5616 /* update neigh list for macs */
5617 old_mac
= zvni_mac_lookup(zvni
, &n
->emac
);
5619 listnode_delete(old_mac
->neigh_list
, n
);
5620 zvni_deref_ip2mac(zvni
, old_mac
);
5622 listnode_add_sort(mac
->neigh_list
, n
);
5623 memcpy(&n
->emac
, macaddr
, ETH_ALEN
);
5625 /* Check Neigh's curent state is local
5626 * (this is the case where neigh/host has moved
5627 * from L->R) and check previous detction
5628 * started via local learning.
5630 * RFC-7432: A PE/VTEP that detects a MAC
5631 * mobilit event via local learning starts
5632 * an M-second timer.
5633 * VTEP-IP or seq. change along is not
5634 * considered for dup. detection.
5636 * Mobilty event scenario-B IP-MAC binding
5639 if ((!CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
))
5646 /* Set "remote" forwarding info. */
5647 UNSET_FLAG(n
->flags
, ZEBRA_NEIGH_LOCAL
);
5648 n
->r_vtep_ip
= vtep_ip
;
5649 SET_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
);
5651 /* Set router flag (R-bit) to this Neighbor entry */
5652 if (CHECK_FLAG(flags
, ZEBRA_MACIP_TYPE_ROUTER_FLAG
))
5653 SET_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
);
5655 UNSET_FLAG(n
->flags
, ZEBRA_NEIGH_ROUTER_FLAG
);
5657 /* Check old or new MAC detected as duplicate,
5658 * inherit duplicate flag to this neigh.
5660 if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf
, old_mac
,
5662 flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED
,
5663 "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC",
5665 prefix_mac2str(&mac
->macaddr
, buf
, sizeof(buf
)),
5666 ipaddr2str(&n
->ip
, buf1
, sizeof(buf1
)));
5669 /* Check duplicate address detection for IP */
5670 zebra_vxlan_dup_addr_detect_for_neigh(zvrf
, n
,
5675 /* Install the entry. */
5677 zvni_neigh_install(zvni
, n
);
5680 zvni_probe_neigh_on_mac_add(zvni
, mac
);
5682 /* Update seq number. */
5686 /* Process a remote MACIP delete from BGP. */
5687 static void process_remote_macip_del(vni_t vni
,
5688 struct ethaddr
*macaddr
,
5690 struct ipaddr
*ipaddr
,
5691 struct in_addr vtep_ip
)
5694 zebra_mac_t
*mac
= NULL
;
5695 zebra_neigh_t
*n
= NULL
;
5696 struct interface
*ifp
= NULL
;
5697 struct zebra_if
*zif
= NULL
;
5698 struct zebra_ns
*zns
;
5699 struct zebra_l2info_vxlan
*vxl
;
5700 struct zebra_vrf
*zvrf
;
5701 char buf
[ETHER_ADDR_STRLEN
];
5702 char buf1
[INET6_ADDRSTRLEN
];
5704 /* Locate VNI hash entry - expected to exist. */
5705 zvni
= zvni_lookup(vni
);
5707 if (IS_ZEBRA_DEBUG_VXLAN
)
5708 zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni
);
5712 ifp
= zvni
->vxlan_if
;
5716 !if_is_operative(ifp
) ||
5718 !zif
->brslave_info
.br_if
) {
5719 if (IS_ZEBRA_DEBUG_VXLAN
)
5720 zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info",
5724 zns
= zebra_ns_lookup(NS_DEFAULT
);
5725 vxl
= &zif
->l2info
.vxl
;
5727 /* The remote VTEP specified is normally expected to exist, but
5728 * it is possible that the peer may delete the VTEP before deleting
5729 * any MACs referring to the VTEP, in which case the handler (see
5730 * remote_vtep_del) would have already deleted the MACs.
5732 if (!zvni_vtep_find(zvni
, &vtep_ip
))
5735 mac
= zvni_mac_lookup(zvni
, macaddr
);
5737 n
= zvni_neigh_lookup(zvni
, ipaddr
);
5740 zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL",
5741 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
5742 ipaddr2str(ipaddr
, buf1
, sizeof(buf1
)), vni
);
5746 /* If the remote mac or neighbor doesn't exist there is nothing
5747 * more to do. Otherwise, uninstall the entry and then remove it.
5752 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
5754 /* Ignore the delete if this mac is a gateway mac-ip */
5755 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)
5756 && CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DEF_GW
)) {
5758 "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC",
5760 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
5761 ipa_len
? " IP " : "",
5763 ipaddr2str(ipaddr
, buf1
, sizeof(buf1
)) : "");
5767 /* Uninstall remote neighbor or MAC. */
5769 if (zvrf
->dad_freeze
&&
5770 CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
) &&
5771 CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
) &&
5772 (memcmp(n
->emac
.octet
, macaddr
->octet
, ETH_ALEN
) == 0)) {
5773 struct interface
*vlan_if
;
5775 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
,
5776 zif
->brslave_info
.br_if
);
5777 if (IS_ZEBRA_DEBUG_VXLAN
)
5778 zlog_debug("%s: IP %s (flags 0x%x intf %s) is remote and duplicate, read kernel for local entry",
5779 __PRETTY_FUNCTION__
,
5780 ipaddr2str(ipaddr
, buf1
,
5781 sizeof(buf1
)), n
->flags
,
5783 neigh_read_specific_ip(ipaddr
, vlan_if
);
5786 /* When the MAC changes for an IP, it is possible the
5787 * client may update the new MAC before trying to delete the
5788 * "old" neighbor (as these are two different MACIP routes).
5789 * Do the delete only if the MAC matches.
5791 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)
5792 && (memcmp(n
->emac
.octet
, macaddr
->octet
, ETH_ALEN
) == 0)) {
5793 zvni_neigh_uninstall(zvni
, n
);
5794 zvni_neigh_del(zvni
, n
);
5795 zvni_deref_ip2mac(zvni
, mac
);
5798 /* DAD: when MAC is freeze state as remote learn event,
5799 * remote mac-ip delete event is received will result in freeze
5800 * entry removal, first fetch kernel for the same entry present
5801 * as LOCAL and reachable, avoid deleting this entry instead
5802 * use kerenel local entry to update during unfreeze time.
5804 if (zvrf
->dad_freeze
&&
5805 CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
) &&
5806 CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
5807 if (IS_ZEBRA_DEBUG_VXLAN
)
5808 zlog_debug("%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry",
5809 __PRETTY_FUNCTION__
,
5810 prefix_mac2str(macaddr
, buf
,
5813 macfdb_read_specific_mac(zns
, zif
->brslave_info
.br_if
,
5814 macaddr
, vxl
->access_vlan
);
5817 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
5818 zvni_process_neigh_on_remote_mac_del(zvni
, mac
);
5820 * the remote sequence number in the auto mac entry
5821 * needs to be reset to 0 as the mac entry may have
5822 * been removed on all VTEPs (including
5823 * the originating one)
5827 /* If all remote neighbors referencing a remote MAC
5828 * go away, we need to uninstall the MAC.
5830 if (remote_neigh_count(mac
) == 0) {
5831 zvni_mac_uninstall(zvni
, mac
);
5832 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
);
5834 if (list_isempty(mac
->neigh_list
))
5835 zvni_mac_del(zvni
, mac
);
5837 SET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
5843 /* Public functions */
5845 int is_l3vni_for_prefix_routes_only(vni_t vni
)
5847 zebra_l3vni_t
*zl3vni
= NULL
;
5849 zl3vni
= zl3vni_lookup(vni
);
5853 return CHECK_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
) ? 1 : 0;
5856 /* handle evpn route in vrf table */
5857 void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id
, struct ethaddr
*rmac
,
5858 struct ipaddr
*vtep_ip
,
5859 struct prefix
*host_prefix
)
5861 zebra_l3vni_t
*zl3vni
= NULL
;
5862 struct ipaddr ipv4_vtep
;
5864 zl3vni
= zl3vni_from_vrf(vrf_id
);
5865 if (!zl3vni
|| !is_l3vni_oper_up(zl3vni
))
5869 * add the next hop neighbor -
5870 * neigh to be installed is the ipv6 nexthop neigh
5872 zl3vni_remote_nh_add(zl3vni
, vtep_ip
, rmac
, host_prefix
);
5875 * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4
5876 * address. Rmac is programmed against the ipv4 vtep because we only
5877 * support ipv4 tunnels in the h/w right now
5879 memset(&ipv4_vtep
, 0, sizeof(struct ipaddr
));
5880 ipv4_vtep
.ipa_type
= IPADDR_V4
;
5881 if (vtep_ip
->ipa_type
== IPADDR_V6
)
5882 ipv4_mapped_ipv6_to_ipv4(&vtep_ip
->ipaddr_v6
,
5883 &(ipv4_vtep
.ipaddr_v4
));
5885 memcpy(&(ipv4_vtep
.ipaddr_v4
), &vtep_ip
->ipaddr_v4
,
5886 sizeof(struct in_addr
));
5889 * add the rmac - remote rmac to be installed is against the ipv4
5892 zl3vni_remote_rmac_add(zl3vni
, rmac
, &ipv4_vtep
, host_prefix
);
5895 /* handle evpn vrf route delete */
5896 void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id
,
5897 struct ipaddr
*vtep_ip
,
5898 struct prefix
*host_prefix
)
5900 zebra_l3vni_t
*zl3vni
= NULL
;
5901 zebra_neigh_t
*nh
= NULL
;
5902 zebra_mac_t
*zrmac
= NULL
;
5904 zl3vni
= zl3vni_from_vrf(vrf_id
);
5908 /* find the next hop entry and rmac entry */
5909 nh
= zl3vni_nh_lookup(zl3vni
, vtep_ip
);
5912 zrmac
= zl3vni_rmac_lookup(zl3vni
, &nh
->emac
);
5914 /* delete the next hop entry */
5915 zl3vni_remote_nh_del(zl3vni
, nh
, host_prefix
);
5917 /* delete the rmac entry */
5919 zl3vni_remote_rmac_del(zl3vni
, zrmac
, host_prefix
);
5923 void zebra_vxlan_print_specific_rmac_l3vni(struct vty
*vty
, vni_t l3vni
,
5924 struct ethaddr
*rmac
, bool use_json
)
5926 zebra_l3vni_t
*zl3vni
= NULL
;
5927 zebra_mac_t
*zrmac
= NULL
;
5928 json_object
*json
= NULL
;
5930 if (!is_evpn_enabled()) {
5932 vty_out(vty
, "{}\n");
5937 json
= json_object_new_object();
5939 zl3vni
= zl3vni_lookup(l3vni
);
5942 vty_out(vty
, "{}\n");
5944 vty_out(vty
, "%% L3-VNI %u doesn't exist\n", l3vni
);
5948 zrmac
= zl3vni_rmac_lookup(zl3vni
, rmac
);
5951 vty_out(vty
, "{}\n");
5954 "%% Requested RMAC doesn't exist in L3-VNI %u",
5959 zl3vni_print_rmac(zrmac
, vty
, json
);
5962 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
5963 json
, JSON_C_TO_STRING_PRETTY
));
5964 json_object_free(json
);
5968 void zebra_vxlan_print_rmacs_l3vni(struct vty
*vty
, vni_t l3vni
, bool use_json
)
5970 zebra_l3vni_t
*zl3vni
;
5972 struct rmac_walk_ctx wctx
;
5973 json_object
*json
= NULL
;
5975 if (!is_evpn_enabled())
5978 zl3vni
= zl3vni_lookup(l3vni
);
5981 vty_out(vty
, "{}\n");
5983 vty_out(vty
, "%% L3-VNI %u does not exist\n", l3vni
);
5986 num_rmacs
= hashcount(zl3vni
->rmac_table
);
5991 json
= json_object_new_object();
5993 memset(&wctx
, 0, sizeof(struct rmac_walk_ctx
));
5997 vty_out(vty
, "Number of Remote RMACs known for this VNI: %u\n",
5999 vty_out(vty
, "%-17s %-21s\n", "MAC", "Remote VTEP");
6001 json_object_int_add(json
, "numRmacs", num_rmacs
);
6003 hash_iterate(zl3vni
->rmac_table
, zl3vni_print_rmac_hash
, &wctx
);
6006 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6007 json
, JSON_C_TO_STRING_PRETTY
));
6008 json_object_free(json
);
6012 void zebra_vxlan_print_rmacs_all_l3vni(struct vty
*vty
, bool use_json
)
6014 json_object
*json
= NULL
;
6017 if (!is_evpn_enabled()) {
6019 vty_out(vty
, "{}\n");
6024 json
= json_object_new_object();
6028 hash_iterate(zrouter
.l3vni_table
,
6029 (void (*)(struct hash_bucket
*,
6030 void *))zl3vni_print_rmac_hash_all_vni
,
6034 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6035 json
, JSON_C_TO_STRING_PRETTY
));
6036 json_object_free(json
);
6040 void zebra_vxlan_print_specific_nh_l3vni(struct vty
*vty
, vni_t l3vni
,
6041 struct ipaddr
*ip
, bool use_json
)
6043 zebra_l3vni_t
*zl3vni
= NULL
;
6044 zebra_neigh_t
*n
= NULL
;
6045 json_object
*json
= NULL
;
6047 if (!is_evpn_enabled()) {
6049 vty_out(vty
, "{}\n");
6054 json
= json_object_new_object();
6056 zl3vni
= zl3vni_lookup(l3vni
);
6059 vty_out(vty
, "{}\n");
6061 vty_out(vty
, "%% L3-VNI %u does not exist\n", l3vni
);
6065 n
= zl3vni_nh_lookup(zl3vni
, ip
);
6068 vty_out(vty
, "{}\n");
6071 "%% Requested next-hop not present for L3-VNI %u",
6076 zl3vni_print_nh(n
, vty
, json
);
6079 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6080 json
, JSON_C_TO_STRING_PRETTY
));
6081 json_object_free(json
);
6085 void zebra_vxlan_print_nh_l3vni(struct vty
*vty
, vni_t l3vni
, bool use_json
)
6088 struct nh_walk_ctx wctx
;
6089 json_object
*json
= NULL
;
6090 zebra_l3vni_t
*zl3vni
= NULL
;
6092 if (!is_evpn_enabled())
6095 zl3vni
= zl3vni_lookup(l3vni
);
6098 vty_out(vty
, "{}\n");
6100 vty_out(vty
, "%% L3-VNI %u does not exist\n", l3vni
);
6104 num_nh
= hashcount(zl3vni
->nh_table
);
6109 json
= json_object_new_object();
6114 vty_out(vty
, "Number of NH Neighbors known for this VNI: %u\n",
6116 vty_out(vty
, "%-15s %-17s\n", "IP", "RMAC");
6118 json_object_int_add(json
, "numNextHops", num_nh
);
6120 hash_iterate(zl3vni
->nh_table
, zl3vni_print_nh_hash
, &wctx
);
6123 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6124 json
, JSON_C_TO_STRING_PRETTY
));
6125 json_object_free(json
);
6129 void zebra_vxlan_print_nh_all_l3vni(struct vty
*vty
, bool use_json
)
6131 json_object
*json
= NULL
;
6134 if (!is_evpn_enabled()) {
6136 vty_out(vty
, "{}\n");
6141 json
= json_object_new_object();
6145 hash_iterate(zrouter
.l3vni_table
,
6146 (void (*)(struct hash_bucket
*,
6147 void *))zl3vni_print_nh_hash_all_vni
,
6151 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6152 json
, JSON_C_TO_STRING_PRETTY
));
6153 json_object_free(json
);
6158 * Display L3 VNI information (VTY command handler).
6160 void zebra_vxlan_print_l3vni(struct vty
*vty
, vni_t vni
, bool use_json
)
6163 json_object
*json
= NULL
;
6164 zebra_l3vni_t
*zl3vni
= NULL
;
6166 if (!is_evpn_enabled()) {
6168 vty_out(vty
, "{}\n");
6172 zl3vni
= zl3vni_lookup(vni
);
6175 vty_out(vty
, "{}\n");
6177 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6182 json
= json_object_new_object();
6186 zl3vni_print(zl3vni
, (void *)args
);
6189 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6190 json
, JSON_C_TO_STRING_PRETTY
));
6191 json_object_free(json
);
6195 void zebra_vxlan_print_vrf_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6196 json_object
*json_vrfs
)
6198 char buf
[ETHER_ADDR_STRLEN
];
6199 zebra_l3vni_t
*zl3vni
= NULL
;
6201 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
6206 vty_out(vty
, "%-37s %-10u %-20s %-20s %-5s %-18s\n",
6207 zvrf_name(zvrf
), zl3vni
->vni
,
6208 zl3vni_vxlan_if_name(zl3vni
),
6209 zl3vni_svi_if_name(zl3vni
), zl3vni_state2str(zl3vni
),
6210 zl3vni_rmac2str(zl3vni
, buf
, sizeof(buf
)));
6212 json_object
*json_vrf
= NULL
;
6214 json_vrf
= json_object_new_object();
6215 json_object_string_add(json_vrf
, "vrf", zvrf_name(zvrf
));
6216 json_object_int_add(json_vrf
, "vni", zl3vni
->vni
);
6217 json_object_string_add(json_vrf
, "vxlanIntf",
6218 zl3vni_vxlan_if_name(zl3vni
));
6219 json_object_string_add(json_vrf
, "sviIntf",
6220 zl3vni_svi_if_name(zl3vni
));
6221 json_object_string_add(json_vrf
, "state",
6222 zl3vni_state2str(zl3vni
));
6223 json_object_string_add(
6224 json_vrf
, "routerMac",
6225 zl3vni_rmac2str(zl3vni
, buf
, sizeof(buf
)));
6226 json_object_array_add(json_vrfs
, json_vrf
);
6231 * Display Neighbors for a VNI (VTY command handler).
6233 void zebra_vxlan_print_neigh_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6234 vni_t vni
, bool use_json
)
6238 struct neigh_walk_ctx wctx
;
6239 json_object
*json
= NULL
;
6241 if (!is_evpn_enabled())
6243 zvni
= zvni_lookup(vni
);
6246 vty_out(vty
, "{}\n");
6248 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6251 num_neigh
= hashcount(zvni
->neigh_table
);
6256 json
= json_object_new_object();
6258 /* Since we have IPv6 addresses to deal with which can vary widely in
6259 * size, we try to be a bit more elegant in display by first computing
6260 * the maximum width.
6262 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
6265 wctx
.addr_width
= 15;
6267 hash_iterate(zvni
->neigh_table
, zvni_find_neigh_addr_width
, &wctx
);
6271 "Number of ARPs (local and remote) known for this VNI: %u\n",
6273 vty_out(vty
, "%*s %-6s %-8s %-17s %-21s %s\n", -wctx
.addr_width
,
6274 "IP", "Type", "State", "MAC", "Remote VTEP", "Seq #'s");
6276 json_object_int_add(json
, "numArpNd", num_neigh
);
6278 hash_iterate(zvni
->neigh_table
, zvni_print_neigh_hash
, &wctx
);
6280 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6281 json
, JSON_C_TO_STRING_PRETTY
));
6282 json_object_free(json
);
6287 * Display neighbors across all VNIs (VTY command handler).
6289 void zebra_vxlan_print_neigh_all_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6290 bool print_dup
, bool use_json
)
6292 json_object
*json
= NULL
;
6295 if (!is_evpn_enabled())
6299 json
= json_object_new_object();
6303 args
[2] = (void *)(ptrdiff_t)print_dup
;
6305 hash_iterate(zvrf
->vni_table
,
6306 (void (*)(struct hash_bucket
*,
6307 void *))zvni_print_neigh_hash_all_vni
,
6310 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6311 json
, JSON_C_TO_STRING_PRETTY
));
6312 json_object_free(json
);
6317 * Display neighbors across all VNIs in detail(VTY command handler).
6319 void zebra_vxlan_print_neigh_all_vni_detail(struct vty
*vty
,
6320 struct zebra_vrf
*zvrf
,
6321 bool print_dup
, bool use_json
)
6323 json_object
*json
= NULL
;
6326 if (!is_evpn_enabled())
6330 json
= json_object_new_object();
6334 args
[2] = (void *)(ptrdiff_t)print_dup
;
6336 hash_iterate(zvrf
->vni_table
,
6337 (void (*)(struct hash_bucket
*,
6338 void *))zvni_print_neigh_hash_all_vni_detail
,
6341 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6342 json
, JSON_C_TO_STRING_PRETTY
));
6343 json_object_free(json
);
6348 * Display specific neighbor for a VNI, if present (VTY command handler).
6350 void zebra_vxlan_print_specific_neigh_vni(struct vty
*vty
,
6351 struct zebra_vrf
*zvrf
, vni_t vni
,
6352 struct ipaddr
*ip
, bool use_json
)
6356 json_object
*json
= NULL
;
6358 if (!is_evpn_enabled())
6360 zvni
= zvni_lookup(vni
);
6363 vty_out(vty
, "{}\n");
6365 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6368 n
= zvni_neigh_lookup(zvni
, ip
);
6372 "%% Requested neighbor does not exist in VNI %u\n",
6377 json
= json_object_new_object();
6379 zvni_print_neigh(n
, vty
, json
);
6382 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6383 json
, JSON_C_TO_STRING_PRETTY
));
6384 json_object_free(json
);
6389 * Display neighbors for a VNI from specific VTEP (VTY command handler).
6390 * By definition, these are remote neighbors.
6392 void zebra_vxlan_print_neigh_vni_vtep(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6393 vni_t vni
, struct in_addr vtep_ip
,
6398 struct neigh_walk_ctx wctx
;
6399 json_object
*json
= NULL
;
6401 if (!is_evpn_enabled())
6403 zvni
= zvni_lookup(vni
);
6406 vty_out(vty
, "{}\n");
6408 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6411 num_neigh
= hashcount(zvni
->neigh_table
);
6415 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
6418 wctx
.addr_width
= 15;
6419 wctx
.flags
= SHOW_REMOTE_NEIGH_FROM_VTEP
;
6420 wctx
.r_vtep_ip
= vtep_ip
;
6422 hash_iterate(zvni
->neigh_table
, zvni_find_neigh_addr_width
, &wctx
);
6423 hash_iterate(zvni
->neigh_table
, zvni_print_neigh_hash
, &wctx
);
6426 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6427 json
, JSON_C_TO_STRING_PRETTY
));
6428 json_object_free(json
);
6433 * Display Duplicate detected Neighbors for a VNI
6434 * (VTY command handler).
6436 void zebra_vxlan_print_neigh_vni_dad(struct vty
*vty
,
6437 struct zebra_vrf
*zvrf
,
6443 struct neigh_walk_ctx wctx
;
6444 json_object
*json
= NULL
;
6446 if (!is_evpn_enabled())
6449 zvni
= zvni_lookup(vni
);
6451 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6455 num_neigh
= hashcount(zvni
->neigh_table
);
6459 num_neigh
= num_dup_detected_neighs(zvni
);
6464 json
= json_object_new_object();
6466 /* Since we have IPv6 addresses to deal with which can vary widely in
6467 * size, we try to be a bit more elegant in display by first computing
6468 * the maximum width.
6470 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
6473 wctx
.addr_width
= 15;
6475 hash_iterate(zvni
->neigh_table
, zvni_find_neigh_addr_width
, &wctx
);
6479 "Number of ARPs (local and remote) known for this VNI: %u\n",
6481 vty_out(vty
, "%*s %-6s %-8s %-17s %-21s\n",
6482 -wctx
.addr_width
, "IP", "Type",
6483 "State", "MAC", "Remote VTEP");
6485 json_object_int_add(json
, "numArpNd", num_neigh
);
6487 hash_iterate(zvni
->neigh_table
, zvni_print_dad_neigh_hash
, &wctx
);
6490 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6491 json
, JSON_C_TO_STRING_PRETTY
));
6492 json_object_free(json
);
6497 * Display MACs for a VNI (VTY command handler).
6499 void zebra_vxlan_print_macs_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6500 vni_t vni
, bool use_json
)
6504 struct mac_walk_ctx wctx
;
6505 json_object
*json
= NULL
;
6506 json_object
*json_mac
= NULL
;
6508 if (!is_evpn_enabled())
6510 zvni
= zvni_lookup(vni
);
6513 vty_out(vty
, "{}\n");
6515 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6518 num_macs
= num_valid_macs(zvni
);
6523 json
= json_object_new_object();
6524 json_mac
= json_object_new_object();
6527 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
6530 wctx
.json
= json_mac
;
6534 "Number of MACs (local and remote) known for this VNI: %u\n",
6536 vty_out(vty
, "%-17s %-6s %-21s %-5s %s\n", "MAC", "Type",
6537 "Intf/Remote VTEP", "VLAN", "Seq #'s");
6539 json_object_int_add(json
, "numMacs", num_macs
);
6541 hash_iterate(zvni
->mac_table
, zvni_print_mac_hash
, &wctx
);
6544 json_object_object_add(json
, "macs", json_mac
);
6545 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6546 json
, JSON_C_TO_STRING_PRETTY
));
6547 json_object_free(json
);
6552 * Display MACs for all VNIs (VTY command handler).
6554 void zebra_vxlan_print_macs_all_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6555 bool print_dup
, bool use_json
)
6557 struct mac_walk_ctx wctx
;
6558 json_object
*json
= NULL
;
6560 if (!is_evpn_enabled()) {
6562 vty_out(vty
, "{}\n");
6566 json
= json_object_new_object();
6568 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
6571 wctx
.print_dup
= print_dup
;
6572 hash_iterate(zvrf
->vni_table
, zvni_print_mac_hash_all_vni
, &wctx
);
6575 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6576 json
, JSON_C_TO_STRING_PRETTY
));
6577 json_object_free(json
);
6582 * Display MACs in detail for all VNIs (VTY command handler).
6584 void zebra_vxlan_print_macs_all_vni_detail(struct vty
*vty
,
6585 struct zebra_vrf
*zvrf
,
6586 bool print_dup
, bool use_json
)
6588 struct mac_walk_ctx wctx
;
6589 json_object
*json
= NULL
;
6591 if (!is_evpn_enabled()) {
6593 vty_out(vty
, "{}\n");
6597 json
= json_object_new_object();
6599 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
6602 wctx
.print_dup
= print_dup
;
6603 hash_iterate(zvrf
->vni_table
, zvni_print_mac_hash_all_vni_detail
,
6607 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6608 json
, JSON_C_TO_STRING_PRETTY
));
6609 json_object_free(json
);
6614 * Display MACs for all VNIs (VTY command handler).
6616 void zebra_vxlan_print_macs_all_vni_vtep(struct vty
*vty
,
6617 struct zebra_vrf
*zvrf
,
6618 struct in_addr vtep_ip
, bool use_json
)
6620 struct mac_walk_ctx wctx
;
6621 json_object
*json
= NULL
;
6623 if (!is_evpn_enabled())
6627 json
= json_object_new_object();
6629 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
6631 wctx
.flags
= SHOW_REMOTE_MAC_FROM_VTEP
;
6632 wctx
.r_vtep_ip
= vtep_ip
;
6634 hash_iterate(zvrf
->vni_table
, zvni_print_mac_hash_all_vni
, &wctx
);
6637 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6638 json
, JSON_C_TO_STRING_PRETTY
));
6639 json_object_free(json
);
6644 * Display specific MAC for a VNI, if present (VTY command handler).
6646 void zebra_vxlan_print_specific_mac_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
,
6647 vni_t vni
, struct ethaddr
*macaddr
,
6652 json_object
*json
= NULL
;
6654 if (!is_evpn_enabled())
6657 zvni
= zvni_lookup(vni
);
6660 vty_out(vty
, "{}\n");
6662 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6665 mac
= zvni_mac_lookup(zvni
, macaddr
);
6668 vty_out(vty
, "{}\n");
6671 "%% Requested MAC does not exist in VNI %u\n",
6677 json
= json_object_new_object();
6679 zvni_print_mac(mac
, vty
, json
);
6681 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6682 json
, JSON_C_TO_STRING_PRETTY
));
6683 json_object_free(json
);
6687 /* Print Duplicate MACs per VNI */
6688 void zebra_vxlan_print_macs_vni_dad(struct vty
*vty
,
6689 struct zebra_vrf
*zvrf
,
6690 vni_t vni
, bool use_json
)
6693 struct mac_walk_ctx wctx
;
6695 json_object
*json
= NULL
;
6696 json_object
*json_mac
= NULL
;
6698 if (!is_evpn_enabled())
6701 zvni
= zvni_lookup(vni
);
6703 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6707 num_macs
= num_valid_macs(zvni
);
6711 num_macs
= num_dup_detected_macs(zvni
);
6716 json
= json_object_new_object();
6717 json_mac
= json_object_new_object();
6720 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
6723 wctx
.json
= json_mac
;
6727 "Number of MACs (local and remote) known for this VNI: %u\n",
6729 vty_out(vty
, "%-17s %-6s %-21s %-5s\n", "MAC", "Type",
6730 "Intf/Remote VTEP", "VLAN");
6732 json_object_int_add(json
, "numMacs", num_macs
);
6734 hash_iterate(zvni
->mac_table
, zvni_print_dad_mac_hash
, &wctx
);
6737 json_object_object_add(json
, "macs", json_mac
);
6738 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
6739 json
, JSON_C_TO_STRING_PRETTY
));
6740 json_object_free(json
);
6745 int zebra_vxlan_clear_dup_detect_vni_mac(struct vty
*vty
,
6746 struct zebra_vrf
*zvrf
,
6747 vni_t vni
, struct ethaddr
*macaddr
)
6751 struct listnode
*node
= NULL
;
6752 zebra_neigh_t
*nbr
= NULL
;
6754 if (!is_evpn_enabled())
6757 zvni
= zvni_lookup(vni
);
6759 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6763 mac
= zvni_mac_lookup(zvni
, macaddr
);
6765 vty_out(vty
, "%% Requested MAC does not exist in VNI %u\n",
6770 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
)) {
6771 vty_out(vty
, "%% Requested MAC is not duplicate detected\n");
6775 /* Remove all IPs as duplicate associcated with this MAC */
6776 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, nbr
)) {
6777 /* For local neigh mark inactive so MACIP update is generated
6778 * to BGP. This is a scenario where MAC update received
6779 * and detected as duplicate which marked neigh as duplicate.
6780 * Later local neigh update did not get a chance to relay
6781 * to BGP. Similarly remote macip update, neigh needs to be
6782 * installed locally.
6784 if (zvrf
->dad_freeze
&&
6785 CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
6786 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
))
6787 ZEBRA_NEIGH_SET_INACTIVE(nbr
);
6788 else if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_REMOTE
))
6789 zvni_neigh_install(zvni
, nbr
);
6792 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
6794 nbr
->detect_start_time
.tv_sec
= 0;
6795 nbr
->dad_dup_detect_time
= 0;
6798 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
);
6800 mac
->detect_start_time
.tv_sec
= 0;
6801 mac
->detect_start_time
.tv_usec
= 0;
6802 mac
->dad_dup_detect_time
= 0;
6803 THREAD_OFF(mac
->dad_mac_auto_recovery_timer
);
6805 /* warn-only action return */
6806 if (!zvrf
->dad_freeze
)
6809 /* Local: Notify Peer VTEPs, Remote: Install the entry */
6810 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
6812 if (zvni_mac_send_add_to_client(zvni
->vni
,
6818 /* Process all neighbors associated with this MAC. */
6819 zvni_process_neigh_on_local_mac_change(zvni
, mac
, 0);
6821 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
6822 zvni_process_neigh_on_remote_mac_add(zvni
, mac
);
6824 /* Install the entry. */
6825 zvni_mac_install(zvni
, mac
);
6831 int zebra_vxlan_clear_dup_detect_vni_ip(struct vty
*vty
,
6832 struct zebra_vrf
*zvrf
,
6833 vni_t vni
, struct ipaddr
*ip
)
6838 char buf
[INET6_ADDRSTRLEN
];
6839 char buf2
[ETHER_ADDR_STRLEN
];
6841 if (!is_evpn_enabled())
6844 zvni
= zvni_lookup(vni
);
6846 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
6850 nbr
= zvni_neigh_lookup(zvni
, ip
);
6853 "%% Requested host IP does not exist in VNI %u\n",
6858 ipaddr2str(&nbr
->ip
, buf
, sizeof(buf
));
6860 if (!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
6862 "%% Requested host IP %s is not duplicate detected\n",
6867 mac
= zvni_mac_lookup(zvni
, &nbr
->emac
);
6869 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
)) {
6871 "%% Requested IP's associated MAC %s is still in duplicate state\n",
6872 prefix_mac2str(&nbr
->emac
, buf2
, sizeof(buf2
)));
6873 return CMD_WARNING_CONFIG_FAILED
;
6876 if (IS_ZEBRA_DEBUG_VXLAN
)
6877 zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u",
6878 __PRETTY_FUNCTION__
, buf
, nbr
->flags
,
6881 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
6883 nbr
->detect_start_time
.tv_sec
= 0;
6884 nbr
->detect_start_time
.tv_usec
= 0;
6885 nbr
->dad_dup_detect_time
= 0;
6886 THREAD_OFF(nbr
->dad_ip_auto_recovery_timer
);
6888 if (!!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
)) {
6889 zvni_neigh_send_add_to_client(zvni
->vni
, ip
,
6891 nbr
->flags
, nbr
->loc_seq
);
6892 } else if (!!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_REMOTE
)) {
6893 zvni_neigh_install(zvni
, nbr
);
6899 static void zvni_clear_dup_mac_hash(struct hash_bucket
*bucket
, void *ctxt
)
6901 struct mac_walk_ctx
*wctx
= ctxt
;
6904 struct listnode
*node
= NULL
;
6905 zebra_neigh_t
*nbr
= NULL
;
6907 mac
= (zebra_mac_t
*)bucket
->data
;
6913 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
))
6916 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
);
6918 mac
->detect_start_time
.tv_sec
= 0;
6919 mac
->detect_start_time
.tv_usec
= 0;
6920 mac
->dad_dup_detect_time
= 0;
6921 THREAD_OFF(mac
->dad_mac_auto_recovery_timer
);
6923 /* Remove all IPs as duplicate associcated with this MAC */
6924 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, nbr
)) {
6925 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
)
6927 ZEBRA_NEIGH_SET_INACTIVE(nbr
);
6929 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
6931 nbr
->detect_start_time
.tv_sec
= 0;
6932 nbr
->dad_dup_detect_time
= 0;
6935 /* Local: Notify Peer VTEPs, Remote: Install the entry */
6936 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
6938 if (zvni_mac_send_add_to_client(zvni
->vni
,
6940 mac
->flags
, mac
->loc_seq
))
6943 /* Process all neighbors associated with this MAC. */
6944 zvni_process_neigh_on_local_mac_change(zvni
, mac
, 0);
6946 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
6947 zvni_process_neigh_on_remote_mac_add(zvni
, mac
);
6949 /* Install the entry. */
6950 zvni_mac_install(zvni
, mac
);
6954 static void zvni_clear_dup_neigh_hash(struct hash_bucket
*bucket
, void *ctxt
)
6956 struct neigh_walk_ctx
*wctx
= ctxt
;
6959 char buf
[INET6_ADDRSTRLEN
];
6961 nbr
= (zebra_neigh_t
*)bucket
->data
;
6967 if (!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
))
6970 if (IS_ZEBRA_DEBUG_VXLAN
) {
6971 ipaddr2str(&nbr
->ip
, buf
, sizeof(buf
));
6973 "%s: clear neigh %s dup state, flags 0x%x seq %u",
6974 __PRETTY_FUNCTION__
, buf
,
6975 nbr
->flags
, nbr
->loc_seq
);
6978 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
6980 nbr
->detect_start_time
.tv_sec
= 0;
6981 nbr
->detect_start_time
.tv_usec
= 0;
6982 nbr
->dad_dup_detect_time
= 0;
6983 THREAD_OFF(nbr
->dad_ip_auto_recovery_timer
);
6985 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
)) {
6986 zvni_neigh_send_add_to_client(zvni
->vni
, &nbr
->ip
,
6988 nbr
->flags
, nbr
->loc_seq
);
6989 } else if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_REMOTE
)) {
6990 zvni_neigh_install(zvni
, nbr
);
6994 static void zvni_clear_dup_detect_hash_vni_all(struct hash_bucket
*bucket
,
6999 struct zebra_vrf
*zvrf
;
7000 struct mac_walk_ctx m_wctx
;
7001 struct neigh_walk_ctx n_wctx
;
7003 zvni
= (zebra_vni_t
*)bucket
->data
;
7007 vty
= (struct vty
*)args
[0];
7008 zvrf
= (struct zebra_vrf
*)args
[1];
7010 if (hashcount(zvni
->neigh_table
)) {
7011 memset(&n_wctx
, 0, sizeof(struct neigh_walk_ctx
));
7015 hash_iterate(zvni
->neigh_table
, zvni_clear_dup_neigh_hash
,
7019 if (num_valid_macs(zvni
)) {
7020 memset(&m_wctx
, 0, sizeof(struct mac_walk_ctx
));
7024 hash_iterate(zvni
->mac_table
, zvni_clear_dup_mac_hash
, &m_wctx
);
7029 int zebra_vxlan_clear_dup_detect_vni_all(struct vty
*vty
,
7030 struct zebra_vrf
*zvrf
)
7034 if (!is_evpn_enabled())
7040 hash_iterate(zvrf
->vni_table
,
7041 (void (*)(struct hash_bucket
*, void *))
7042 zvni_clear_dup_detect_hash_vni_all
, args
);
7047 int zebra_vxlan_clear_dup_detect_vni(struct vty
*vty
,
7048 struct zebra_vrf
*zvrf
,
7052 struct mac_walk_ctx m_wctx
;
7053 struct neigh_walk_ctx n_wctx
;
7055 if (!is_evpn_enabled())
7058 zvni
= zvni_lookup(vni
);
7060 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
7064 if (hashcount(zvni
->neigh_table
)) {
7065 memset(&n_wctx
, 0, sizeof(struct neigh_walk_ctx
));
7069 hash_iterate(zvni
->neigh_table
, zvni_clear_dup_neigh_hash
,
7073 if (num_valid_macs(zvni
)) {
7074 memset(&m_wctx
, 0, sizeof(struct mac_walk_ctx
));
7078 hash_iterate(zvni
->mac_table
, zvni_clear_dup_mac_hash
, &m_wctx
);
7085 * Display MACs for a VNI from specific VTEP (VTY command handler).
7087 void zebra_vxlan_print_macs_vni_vtep(struct vty
*vty
, struct zebra_vrf
*zvrf
,
7088 vni_t vni
, struct in_addr vtep_ip
,
7093 struct mac_walk_ctx wctx
;
7094 json_object
*json
= NULL
;
7095 json_object
*json_mac
= NULL
;
7097 if (!is_evpn_enabled())
7099 zvni
= zvni_lookup(vni
);
7102 vty_out(vty
, "{}\n");
7104 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
7107 num_macs
= num_valid_macs(zvni
);
7112 json
= json_object_new_object();
7113 json_mac
= json_object_new_object();
7116 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
7119 wctx
.flags
= SHOW_REMOTE_MAC_FROM_VTEP
;
7120 wctx
.r_vtep_ip
= vtep_ip
;
7121 wctx
.json
= json_mac
;
7122 hash_iterate(zvni
->mac_table
, zvni_print_mac_hash
, &wctx
);
7125 json_object_int_add(json
, "numMacs", wctx
.count
);
7127 json_object_object_add(json
, "macs", json_mac
);
7128 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
7129 json
, JSON_C_TO_STRING_PRETTY
));
7130 json_object_free(json
);
7136 * Display VNI information (VTY command handler).
7138 void zebra_vxlan_print_vni(struct vty
*vty
, struct zebra_vrf
*zvrf
, vni_t vni
,
7141 json_object
*json
= NULL
;
7143 zebra_l3vni_t
*zl3vni
= NULL
;
7144 zebra_vni_t
*zvni
= NULL
;
7146 if (!is_evpn_enabled())
7150 json
= json_object_new_object();
7154 zl3vni
= zl3vni_lookup(vni
);
7156 zl3vni_print(zl3vni
, (void *)args
);
7158 zvni
= zvni_lookup(vni
);
7161 vty_out(vty
, "{}\n");
7163 vty_out(vty
, "%% VNI %u does not exist\n", vni
);
7167 zvni_print(zvni
, (void *)args
);
7171 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
7172 json
, JSON_C_TO_STRING_PRETTY
));
7173 json_object_free(json
);
7177 /* Display all global details for EVPN */
7178 void zebra_vxlan_print_evpn(struct vty
*vty
, bool uj
)
7183 json_object
*json
= NULL
;
7184 struct zebra_vrf
*zvrf
= NULL
;
7186 if (!is_evpn_enabled())
7189 zvrf
= zebra_vrf_get_evpn();
7193 num_l3vnis
= hashcount(zrouter
.l3vni_table
);
7194 num_l2vnis
= hashcount(zvrf
->vni_table
);
7195 num_vnis
= num_l2vnis
+ num_l3vnis
;
7198 json
= json_object_new_object();
7199 json_object_string_add(json
, "advertiseGatewayMacip",
7200 zvrf
->advertise_gw_macip
? "Yes" : "No");
7201 json_object_int_add(json
, "numVnis", num_vnis
);
7202 json_object_int_add(json
, "numL2Vnis", num_l2vnis
);
7203 json_object_int_add(json
, "numL3Vnis", num_l3vnis
);
7204 if (zvrf
->dup_addr_detect
)
7205 json_object_boolean_true_add(json
,
7206 "isDuplicateAddrDetection");
7208 json_object_boolean_false_add(json
,
7209 "isDuplicateAddrDetection");
7210 json_object_int_add(json
, "maxMoves", zvrf
->dad_max_moves
);
7211 json_object_int_add(json
, "detectionTime", zvrf
->dad_time
);
7212 json_object_int_add(json
, "detectionFreezeTime",
7213 zvrf
->dad_freeze_time
);
7216 vty_out(vty
, "L2 VNIs: %u\n", num_l2vnis
);
7217 vty_out(vty
, "L3 VNIs: %u\n", num_l3vnis
);
7218 vty_out(vty
, "Advertise gateway mac-ip: %s\n",
7219 zvrf
->advertise_gw_macip
? "Yes" : "No");
7220 vty_out(vty
, "Advertise svi mac-ip: %s\n",
7221 zvrf
->advertise_svi_macip
? "Yes" : "No");
7222 vty_out(vty
, "Duplicate address detection: %s\n",
7223 zvrf
->dup_addr_detect
? "Enable" : "Disable");
7224 vty_out(vty
, " Detection max-moves %u, time %d\n",
7225 zvrf
->dad_max_moves
, zvrf
->dad_time
);
7226 if (zvrf
->dad_freeze
) {
7227 if (zvrf
->dad_freeze_time
)
7228 vty_out(vty
, " Detection freeze %u\n",
7229 zvrf
->dad_freeze_time
);
7231 vty_out(vty
, " Detection freeze %s\n",
7237 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
7238 json
, JSON_C_TO_STRING_PRETTY
));
7239 json_object_free(json
);
7244 * Display VNI hash table (VTY command handler).
7246 void zebra_vxlan_print_vnis(struct vty
*vty
, struct zebra_vrf
*zvrf
,
7249 json_object
*json
= NULL
;
7252 if (!is_evpn_enabled())
7256 json
= json_object_new_object();
7258 vty_out(vty
, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI",
7259 "Type", "VxLAN IF", "# MACs", "# ARPs",
7260 "# Remote VTEPs", "Tenant VRF");
7265 /* Display all L2-VNIs */
7266 hash_iterate(zvrf
->vni_table
,
7267 (void (*)(struct hash_bucket
*, void *))zvni_print_hash
,
7270 /* Display all L3-VNIs */
7271 hash_iterate(zrouter
.l3vni_table
,
7272 (void (*)(struct hash_bucket
*, void *))zl3vni_print_hash
,
7276 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
7277 json
, JSON_C_TO_STRING_PRETTY
));
7278 json_object_free(json
);
7282 void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS
)
7286 uint32_t max_moves
= 0;
7287 uint32_t freeze_time
= 0;
7288 bool dup_addr_detect
= false;
7289 bool freeze
= false;
7292 STREAM_GETL(s
, dup_addr_detect
);
7293 STREAM_GETL(s
, time
);
7294 STREAM_GETL(s
, max_moves
);
7295 STREAM_GETL(s
, freeze
);
7296 STREAM_GETL(s
, freeze_time
);
7298 /* DAD previous state was enabled, and new state is disable,
7299 * clear all duplicate detected addresses.
7301 if (zvrf
->dup_addr_detect
&& !dup_addr_detect
)
7302 zebra_vxlan_clear_dup_detect_vni_all(NULL
, zvrf
);
7304 zvrf
->dup_addr_detect
= dup_addr_detect
;
7305 zvrf
->dad_time
= time
;
7306 zvrf
->dad_max_moves
= max_moves
;
7307 zvrf
->dad_freeze
= freeze
;
7308 zvrf
->dad_freeze_time
= freeze_time
;
7310 if (IS_ZEBRA_DEBUG_VXLAN
)
7312 "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u",
7313 vrf_id_to_name(zvrf
->vrf
->vrf_id
),
7314 zvrf
->dup_addr_detect
? "enable" : "disable",
7315 zvrf
->dad_max_moves
,
7317 zvrf
->dad_freeze
? "enable" : "disable",
7318 zvrf
->dad_freeze_time
);
7325 * Display VNI hash table in detail(VTY command handler).
7327 void zebra_vxlan_print_vnis_detail(struct vty
*vty
, struct zebra_vrf
*zvrf
,
7330 json_object
*json
= NULL
;
7331 struct zebra_ns
*zns
= NULL
;
7332 struct zvni_evpn_show zes
;
7334 if (!is_evpn_enabled())
7337 zns
= zebra_ns_lookup(NS_DEFAULT
);
7343 json
= json_object_new_object();
7349 /* Display all L2-VNIs */
7352 (void (*)(struct hash_bucket
*, void *))zvni_print_hash_detail
,
7355 /* Display all L3-VNIs */
7356 hash_iterate(zrouter
.l3vni_table
,
7357 (void (*)(struct hash_bucket
*,
7358 void *))zl3vni_print_hash_detail
,
7362 vty_out(vty
, "%s\n",
7363 json_object_to_json_string_ext(
7364 json
, JSON_C_TO_STRING_PRETTY
));
7365 json_object_free(json
);
7370 * Handle neighbor delete notification from the kernel (on a VLAN device
7371 * / L3 interface). This may result in either the neighbor getting deleted
7372 * from our database or being re-added to the kernel (if it is a valid
7375 int zebra_vxlan_handle_kernel_neigh_del(struct interface
*ifp
,
7376 struct interface
*link_if
,
7379 char buf
[INET6_ADDRSTRLEN
];
7380 char buf2
[ETHER_ADDR_STRLEN
];
7381 zebra_neigh_t
*n
= NULL
;
7382 zebra_vni_t
*zvni
= NULL
;
7383 zebra_mac_t
*zmac
= NULL
;
7384 zebra_l3vni_t
*zl3vni
= NULL
;
7385 struct zebra_vrf
*zvrf
;
7387 /* check if this is a remote neigh entry corresponding to remote
7390 zl3vni
= zl3vni_from_svi(ifp
, link_if
);
7392 return zl3vni_local_nh_del(zl3vni
, ip
);
7394 /* We are only interested in neighbors on an SVI that resides on top
7395 * of a VxLAN bridge.
7397 zvni
= zvni_from_svi(ifp
, link_if
);
7399 if (IS_ZEBRA_DEBUG_VXLAN
)
7400 zlog_debug("%s: Del neighbor %s VNI is not present for interface %s",
7401 __PRETTY_FUNCTION__
,
7402 ipaddr2str(ip
, buf
, sizeof(buf
)), ifp
->name
);
7406 if (!zvni
->vxlan_if
) {
7408 "VNI %u hash %p doesn't have intf upon local neighbor DEL",
7413 if (IS_ZEBRA_DEBUG_VXLAN
)
7414 zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u",
7415 ipaddr2str(ip
, buf
, sizeof(buf
)), ifp
->name
,
7416 ifp
->ifindex
, zvni
->vni
);
7418 /* If entry doesn't exist, nothing to do. */
7419 n
= zvni_neigh_lookup(zvni
, ip
);
7423 zmac
= zvni_mac_lookup(zvni
, &n
->emac
);
7425 if (IS_ZEBRA_DEBUG_VXLAN
)
7427 "Trying to del a neigh %s without a mac %s on VNI %u",
7428 ipaddr2str(ip
, buf
, sizeof(buf
)),
7429 prefix_mac2str(&n
->emac
, buf2
, sizeof(buf2
)),
7435 /* If it is a remote entry, the kernel has aged this out or someone has
7436 * deleted it, it needs to be re-installed as Quagga is the owner.
7438 if (CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_REMOTE
)) {
7439 zvni_neigh_install(zvni
, n
);
7443 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
7445 zlog_debug("%s: VNI %u vrf lookup failed.",
7446 __PRETTY_FUNCTION__
, zvni
->vni
);
7450 /* In case of feeze action, if local neigh is in duplicate state,
7451 * Mark the Neigh as inactive before sending delete request to BGPd,
7452 * If BGPd has remote entry, it will re-install
7454 if (zvrf
->dad_freeze
&&
7455 CHECK_FLAG(n
->flags
, ZEBRA_NEIGH_DUPLICATE
))
7456 ZEBRA_NEIGH_SET_INACTIVE(n
);
7458 /* Remove neighbor from BGP. */
7459 zvni_neigh_send_del_to_client(zvni
->vni
, &n
->ip
, &n
->emac
, 0, n
->state
);
7461 /* Delete this neighbor entry. */
7462 zvni_neigh_del(zvni
, n
);
7464 /* see if the AUTO mac needs to be deleted */
7465 if (CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_AUTO
)
7466 && !listcount(zmac
->neigh_list
))
7467 zvni_mac_del(zvni
, zmac
);
7473 * Handle neighbor add or update notification from the kernel (on a VLAN
7474 * device / L3 interface). This is typically for a local neighbor but can
7475 * also be for a remote neighbor (e.g., ageout notification). It could
7476 * also be a "move" scenario.
7478 int zebra_vxlan_handle_kernel_neigh_update(struct interface
*ifp
,
7479 struct interface
*link_if
,
7481 struct ethaddr
*macaddr
,
7486 char buf
[ETHER_ADDR_STRLEN
];
7487 char buf2
[INET6_ADDRSTRLEN
];
7488 zebra_vni_t
*zvni
= NULL
;
7489 zebra_l3vni_t
*zl3vni
= NULL
;
7491 /* check if this is a remote neigh entry corresponding to remote
7494 zl3vni
= zl3vni_from_svi(ifp
, link_if
);
7496 return zl3vni_local_nh_add_update(zl3vni
, ip
, state
);
7498 /* We are only interested in neighbors on an SVI that resides on top
7499 * of a VxLAN bridge.
7501 zvni
= zvni_from_svi(ifp
, link_if
);
7505 if (IS_ZEBRA_DEBUG_VXLAN
)
7507 "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u",
7508 ipaddr2str(ip
, buf2
, sizeof(buf2
)),
7509 prefix_mac2str(macaddr
, buf
, sizeof(buf
)), ifp
->name
,
7510 ifp
->ifindex
, state
, is_ext
? "ext-learned " : "",
7511 is_router
? "router " : "",
7514 /* Is this about a local neighbor or a remote one? */
7516 return zvni_local_neigh_update(zvni
, ifp
, ip
, macaddr
,
7519 return zvni_remote_neigh_update(zvni
, ifp
, ip
, macaddr
, state
);
7524 * Handle message from client to delete a remote MACIP for a VNI.
7526 void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS
)
7530 struct ethaddr macaddr
;
7532 struct in_addr vtep_ip
;
7533 uint16_t l
= 0, ipa_len
;
7534 char buf
[ETHER_ADDR_STRLEN
];
7535 char buf1
[INET6_ADDRSTRLEN
];
7537 memset(&macaddr
, 0, sizeof(struct ethaddr
));
7538 memset(&ip
, 0, sizeof(struct ipaddr
));
7539 memset(&vtep_ip
, 0, sizeof(struct in_addr
));
7543 while (l
< hdr
->length
) {
7544 /* Obtain each remote MACIP and process. */
7545 /* Message contains VNI, followed by MAC followed by IP (if any)
7546 * followed by remote VTEP IP.
7548 memset(&ip
, 0, sizeof(ip
));
7549 STREAM_GETL(s
, vni
);
7550 STREAM_GET(&macaddr
.octet
, s
, ETH_ALEN
);
7551 STREAM_GETL(s
, ipa_len
);
7553 ip
.ipa_type
= (ipa_len
== IPV4_MAX_BYTELEN
) ? IPADDR_V4
7555 STREAM_GET(&ip
.ip
.addr
, s
, ipa_len
);
7557 l
+= 4 + ETH_ALEN
+ 4 + ipa_len
;
7558 STREAM_GET(&vtep_ip
.s_addr
, s
, IPV4_MAX_BYTELEN
);
7559 l
+= IPV4_MAX_BYTELEN
;
7561 if (IS_ZEBRA_DEBUG_VXLAN
)
7563 "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s",
7565 prefix_mac2str(&macaddr
, buf
, sizeof(buf
)),
7566 ipa_len
? " IP " : "",
7568 ipaddr2str(&ip
, buf1
, sizeof(buf1
)) : "",
7570 zebra_route_string(client
->proto
));
7572 process_remote_macip_del(vni
, &macaddr
, ipa_len
, &ip
, vtep_ip
);
7580 * Handle message from client to add a remote MACIP for a VNI. This
7581 * could be just the add of a MAC address or the add of a neighbor
7584 void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS
)
7588 struct ethaddr macaddr
;
7590 struct in_addr vtep_ip
;
7591 uint16_t l
= 0, ipa_len
;
7594 char buf
[ETHER_ADDR_STRLEN
];
7595 char buf1
[INET6_ADDRSTRLEN
];
7597 memset(&macaddr
, 0, sizeof(struct ethaddr
));
7598 memset(&ip
, 0, sizeof(struct ipaddr
));
7599 memset(&vtep_ip
, 0, sizeof(struct in_addr
));
7601 if (!EVPN_ENABLED(zvrf
)) {
7602 zlog_debug("EVPN not enabled, ignoring remote MACIP ADD");
7608 while (l
< hdr
->length
) {
7609 /* Obtain each remote MACIP and process. */
7610 /* Message contains VNI, followed by MAC followed by IP (if any)
7611 * followed by remote VTEP IP.
7613 memset(&ip
, 0, sizeof(ip
));
7614 STREAM_GETL(s
, vni
);
7615 STREAM_GET(&macaddr
.octet
, s
, ETH_ALEN
);
7616 STREAM_GETL(s
, ipa_len
);
7618 ip
.ipa_type
= (ipa_len
== IPV4_MAX_BYTELEN
) ? IPADDR_V4
7620 STREAM_GET(&ip
.ip
.addr
, s
, ipa_len
);
7622 l
+= 4 + ETH_ALEN
+ 4 + ipa_len
;
7623 STREAM_GET(&vtep_ip
.s_addr
, s
, IPV4_MAX_BYTELEN
);
7624 l
+= IPV4_MAX_BYTELEN
;
7626 /* Get flags - sticky mac and/or gateway mac */
7627 STREAM_GETC(s
, flags
);
7629 STREAM_GETL(s
, seq
);
7632 if (IS_ZEBRA_DEBUG_VXLAN
)
7634 "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s",
7636 prefix_mac2str(&macaddr
, buf
, sizeof(buf
)),
7637 ipa_len
? " IP " : "",
7639 ipaddr2str(&ip
, buf1
, sizeof(buf1
)) : "",
7640 flags
, seq
, inet_ntoa(vtep_ip
),
7641 zebra_route_string(client
->proto
));
7643 process_remote_macip_add(vni
, &macaddr
, ipa_len
, &ip
,
7644 flags
, seq
, vtep_ip
);
7652 * Handle notification of MAC add/update over VxLAN. If the kernel is notifying
7653 * us, this must involve a multihoming scenario. Treat this as implicit delete
7654 * of any prior local MAC.
7656 int zebra_vxlan_check_del_local_mac(struct interface
*ifp
,
7657 struct interface
*br_if
,
7658 struct ethaddr
*macaddr
, vlanid_t vid
)
7660 struct zebra_if
*zif
;
7661 struct zebra_l2info_vxlan
*vxl
;
7665 char buf
[ETHER_ADDR_STRLEN
];
7669 vxl
= &zif
->l2info
.vxl
;
7672 /* Check if EVPN is enabled. */
7673 if (!is_evpn_enabled())
7676 /* Locate hash entry; it is expected to exist. */
7677 zvni
= zvni_lookup(vni
);
7681 /* If entry doesn't exist, nothing to do. */
7682 mac
= zvni_mac_lookup(zvni
, macaddr
);
7686 /* Is it a local entry? */
7687 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
))
7690 if (IS_ZEBRA_DEBUG_VXLAN
)
7692 "Add/update remote MAC %s intf %s(%u) VNI %u flags 0x%x - del local",
7693 prefix_mac2str(macaddr
, buf
, sizeof(buf
)), ifp
->name
,
7694 ifp
->ifindex
, vni
, mac
->flags
);
7696 /* Remove MAC from BGP. */
7697 zvni_mac_send_del_to_client(zvni
->vni
, macaddr
);
7700 * If there are no neigh associated with the mac delete the mac
7701 * else mark it as AUTO for forward reference
7703 if (!listcount(mac
->neigh_list
)) {
7704 zvni_mac_del(zvni
, mac
);
7706 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
7707 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
7708 SET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
7715 * Handle remote MAC delete by kernel; readd the remote MAC if we have it.
7716 * This can happen because the remote MAC entries are also added as "dynamic",
7717 * so the kernel can ageout the entry.
7719 int zebra_vxlan_check_readd_remote_mac(struct interface
*ifp
,
7720 struct interface
*br_if
,
7721 struct ethaddr
*macaddr
, vlanid_t vid
)
7723 struct zebra_if
*zif
= NULL
;
7724 struct zebra_l2info_vxlan
*vxl
= NULL
;
7726 zebra_vni_t
*zvni
= NULL
;
7727 zebra_l3vni_t
*zl3vni
= NULL
;
7728 zebra_mac_t
*mac
= NULL
;
7729 char buf
[ETHER_ADDR_STRLEN
];
7733 vxl
= &zif
->l2info
.vxl
;
7736 /* Check if EVPN is enabled. */
7737 if (!is_evpn_enabled())
7740 /* check if this is a remote RMAC and readd simillar to remote macs */
7741 zl3vni
= zl3vni_lookup(vni
);
7743 return zebra_vxlan_readd_remote_rmac(zl3vni
, macaddr
);
7745 /* Locate hash entry; it is expected to exist. */
7746 zvni
= zvni_lookup(vni
);
7750 /* If entry doesn't exist, nothing to do. */
7751 mac
= zvni_mac_lookup(zvni
, macaddr
);
7755 /* Is it a remote entry? */
7756 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
))
7759 if (IS_ZEBRA_DEBUG_VXLAN
)
7760 zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd",
7761 prefix_mac2str(macaddr
, buf
, sizeof(buf
)), ifp
->name
,
7764 zvni_mac_install(zvni
, mac
);
7769 * Handle local MAC delete (on a port or VLAN corresponding to this VNI).
7771 int zebra_vxlan_local_mac_del(struct interface
*ifp
, struct interface
*br_if
,
7772 struct ethaddr
*macaddr
, vlanid_t vid
)
7776 char buf
[ETHER_ADDR_STRLEN
];
7778 /* We are interested in MACs only on ports or (port, VLAN) that
7781 zvni
= zvni_map_vlan(ifp
, br_if
, vid
);
7784 if (!zvni
->vxlan_if
) {
7786 "VNI %u hash %p doesn't have intf upon local MAC DEL",
7791 /* If entry doesn't exist, nothing to do. */
7792 mac
= zvni_mac_lookup(zvni
, macaddr
);
7796 /* Is it a local entry? */
7797 if (!CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
))
7800 if (IS_ZEBRA_DEBUG_VXLAN
)
7801 zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u seq %u flags 0x%x nbr count %u",
7802 prefix_mac2str(macaddr
, buf
, sizeof(buf
)), ifp
->name
,
7803 ifp
->ifindex
, vid
, zvni
->vni
, mac
->loc_seq
,
7804 mac
->flags
, listcount(mac
->neigh_list
));
7806 /* Update all the neigh entries associated with this mac */
7807 zvni_process_neigh_on_local_mac_del(zvni
, mac
);
7809 /* Remove MAC from BGP. */
7810 zvni_mac_send_del_to_client(zvni
->vni
, macaddr
);
7813 * If there are no neigh associated with the mac delete the mac
7814 * else mark it as AUTO for forward reference
7816 if (!listcount(mac
->neigh_list
)) {
7817 zvni_mac_del(zvni
, mac
);
7819 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
7820 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
7821 SET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
7828 * Handle local MAC add (on a port or VLAN corresponding to this VNI).
7830 int zebra_vxlan_local_mac_add_update(struct interface
*ifp
,
7831 struct interface
*br_if
,
7832 struct ethaddr
*macaddr
, vlanid_t vid
,
7837 struct zebra_vrf
*zvrf
;
7838 char buf
[ETHER_ADDR_STRLEN
];
7839 bool mac_sticky
= false;
7840 bool inform_client
= false;
7841 bool upd_neigh
= false;
7842 bool is_dup_detect
= false;
7843 struct in_addr vtep_ip
= {.s_addr
= 0};
7845 /* We are interested in MACs only on ports or (port, VLAN) that
7848 zvni
= zvni_map_vlan(ifp
, br_if
, vid
);
7850 if (IS_ZEBRA_DEBUG_VXLAN
)
7852 "\tAdd/Update %sMAC %s intf %s(%u) VID %u, could not find VNI",
7853 sticky
? "sticky " : "",
7854 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
7855 ifp
->name
, ifp
->ifindex
, vid
);
7859 if (!zvni
->vxlan_if
) {
7860 if (IS_ZEBRA_DEBUG_VXLAN
)
7862 "\tVNI %u hash %p doesn't have intf upon local MAC ADD",
7867 zvrf
= vrf_info_lookup(zvni
->vxlan_if
->vrf_id
);
7869 if (IS_ZEBRA_DEBUG_VXLAN
)
7870 zlog_debug("\tNo Vrf found for vrf_id: %d",
7871 zvni
->vxlan_if
->vrf_id
);
7875 /* Check if we need to create or update or it is a NO-OP. */
7876 mac
= zvni_mac_lookup(zvni
, macaddr
);
7878 if (IS_ZEBRA_DEBUG_VXLAN
)
7880 "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u",
7881 sticky
? "sticky " : "",
7882 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
7883 ifp
->name
, ifp
->ifindex
, vid
, zvni
->vni
);
7885 mac
= zvni_mac_add(zvni
, macaddr
);
7888 EC_ZEBRA_MAC_ADD_FAILED
,
7889 "Failed to add MAC %s intf %s(%u) VID %u VNI %u",
7890 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
7891 ifp
->name
, ifp
->ifindex
, vid
, zvni
->vni
);
7894 SET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
7895 mac
->fwd_info
.local
.ifindex
= ifp
->ifindex
;
7896 mac
->fwd_info
.local
.vid
= vid
;
7898 SET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
7899 inform_client
= true;
7902 if (IS_ZEBRA_DEBUG_VXLAN
)
7904 "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x",
7905 sticky
? "sticky " : "",
7906 prefix_mac2str(macaddr
, buf
, sizeof(buf
)),
7907 ifp
->name
, ifp
->ifindex
, vid
, zvni
->vni
,
7910 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
7911 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
))
7915 * Update any changes and if changes are relevant to
7918 if (mac_sticky
== sticky
7919 && mac
->fwd_info
.local
.ifindex
== ifp
->ifindex
7920 && mac
->fwd_info
.local
.vid
== vid
) {
7921 if (IS_ZEBRA_DEBUG_VXLAN
)
7923 "\tAdd/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, "
7924 "entry exists and has not changed ",
7925 sticky
? "sticky " : "",
7926 prefix_mac2str(macaddr
, buf
,
7928 ifp
->name
, ifp
->ifindex
, vid
,
7932 if (mac_sticky
!= sticky
) {
7934 SET_FLAG(mac
->flags
,
7937 UNSET_FLAG(mac
->flags
,
7939 inform_client
= true;
7942 memset(&mac
->fwd_info
, 0, sizeof(mac
->fwd_info
));
7943 mac
->fwd_info
.local
.ifindex
= ifp
->ifindex
;
7944 mac
->fwd_info
.local
.vid
= vid
;
7946 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
) ||
7947 CHECK_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
)) {
7948 bool do_dad
= false;
7951 * MAC has either moved or was "internally" created due
7952 * to a neighbor learn and is now actually learnt. If
7953 * it was learnt as a remote sticky MAC, this is an
7956 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
)) {
7958 EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT
,
7959 "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u",
7960 prefix_mac2str(macaddr
, buf
,
7962 inet_ntoa(mac
->fwd_info
.r_vtep_ip
),
7967 /* If an actual move, compute MAC's seq number */
7968 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
7969 mac
->loc_seq
= MAX(mac
->rem_seq
+ 1,
7971 vtep_ip
= mac
->fwd_info
.r_vtep_ip
;
7972 /* Trigger DAD for remote MAC */
7976 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
);
7977 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_AUTO
);
7978 SET_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
);
7979 memset(&mac
->fwd_info
, 0, sizeof(mac
->fwd_info
));
7980 mac
->fwd_info
.local
.ifindex
= ifp
->ifindex
;
7981 mac
->fwd_info
.local
.vid
= vid
;
7983 SET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
7985 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_STICKY
);
7987 * We have to inform BGP of this MAC as well as process
7990 inform_client
= true;
7993 zebra_vxlan_dup_addr_detect_for_mac(zvrf
, mac
, vtep_ip
,
7997 if (is_dup_detect
) {
7998 inform_client
= false;
8004 /* Inform BGP if required. */
8005 if (inform_client
) {
8006 if (zvni_mac_send_add_to_client(zvni
->vni
, macaddr
,
8007 mac
->flags
, mac
->loc_seq
))
8011 /* Process all neighbors associated with this MAC, if required. */
8013 zvni_process_neigh_on_local_mac_change(zvni
, mac
, 0);
8019 * Handle message from client to delete a remote VTEP for a VNI.
8021 void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS
)
8024 unsigned short l
= 0;
8026 struct in_addr vtep_ip
;
8028 zebra_vtep_t
*zvtep
;
8029 struct interface
*ifp
;
8030 struct zebra_if
*zif
;
8032 if (!is_evpn_enabled()) {
8034 "%s: EVPN is not enabled yet we have received a vtep del command",
8035 __PRETTY_FUNCTION__
);
8039 if (!EVPN_ENABLED(zvrf
)) {
8040 zlog_debug("Recv MACIP DEL for non-EVPN VRF %u",
8047 while (l
< hdr
->length
) {
8048 int flood_control
__attribute__((unused
));
8050 /* Obtain each remote VTEP and process. */
8051 STREAM_GETL(s
, vni
);
8053 STREAM_GET(&vtep_ip
.s_addr
, s
, IPV4_MAX_BYTELEN
);
8054 l
+= IPV4_MAX_BYTELEN
;
8056 /* Flood control is intentionally ignored right now */
8057 STREAM_GETL(s
, flood_control
);
8060 if (IS_ZEBRA_DEBUG_VXLAN
)
8061 zlog_debug("Recv VTEP_DEL %s VNI %u from %s",
8062 inet_ntoa(vtep_ip
), vni
,
8063 zebra_route_string(client
->proto
));
8065 /* Locate VNI hash entry - expected to exist. */
8066 zvni
= zvni_lookup(vni
);
8068 if (IS_ZEBRA_DEBUG_VXLAN
)
8070 "Failed to locate VNI hash upon remote VTEP DEL, "
8076 ifp
= zvni
->vxlan_if
;
8079 "VNI %u hash %p doesn't have intf upon remote VTEP DEL",
8085 /* If down or not mapped to a bridge, we're done. */
8086 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
8089 /* If the remote VTEP does not exist, there's nothing more to
8091 * Otherwise, uninstall any remote MACs pointing to this VTEP
8093 * then, the VTEP entry itself and remove it.
8095 zvtep
= zvni_vtep_find(zvni
, &vtep_ip
);
8099 zvni_neigh_del_from_vtep(zvni
, 1, &vtep_ip
);
8100 zvni_mac_del_from_vtep(zvni
, 1, &vtep_ip
);
8101 zvni_vtep_uninstall(zvni
, &vtep_ip
);
8102 zvni_vtep_del(zvni
, zvtep
);
8110 * Handle message from client to add a remote VTEP for a VNI.
8112 void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS
)
8115 unsigned short l
= 0;
8117 struct in_addr vtep_ip
;
8119 struct interface
*ifp
;
8120 struct zebra_if
*zif
;
8122 zebra_vtep_t
*zvtep
;
8124 if (!is_evpn_enabled()) {
8126 "%s: EVPN not enabled yet we received a vtep_add zapi call",
8127 __PRETTY_FUNCTION__
);
8131 if (!EVPN_ENABLED(zvrf
)) {
8132 zlog_debug("Recv MACIP ADD for non-EVPN VRF %u",
8139 while (l
< hdr
->length
) {
8140 /* Obtain each remote VTEP and process. */
8141 STREAM_GETL(s
, vni
);
8143 STREAM_GET(&vtep_ip
.s_addr
, s
, IPV4_MAX_BYTELEN
);
8144 STREAM_GETL(s
, flood_control
);
8145 l
+= IPV4_MAX_BYTELEN
+ 4;
8147 if (IS_ZEBRA_DEBUG_VXLAN
)
8148 zlog_debug("Recv VTEP_ADD %s VNI %u flood %d from %s",
8149 inet_ntoa(vtep_ip
), vni
, flood_control
,
8150 zebra_route_string(client
->proto
));
8152 /* Locate VNI hash entry - expected to exist. */
8153 zvni
= zvni_lookup(vni
);
8156 EC_ZEBRA_VTEP_ADD_FAILED
,
8157 "Failed to locate VNI hash upon remote VTEP ADD, VNI %u",
8162 ifp
= zvni
->vxlan_if
;
8165 EC_ZEBRA_VTEP_ADD_FAILED
,
8166 "VNI %u hash %p doesn't have intf upon remote VTEP ADD",
8173 /* If down or not mapped to a bridge, we're done. */
8174 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
8177 zvtep
= zvni_vtep_find(zvni
, &vtep_ip
);
8179 /* If the remote VTEP already exists check if
8180 * the flood mode has changed
8182 if (zvtep
->flood_control
!= flood_control
) {
8183 if (zvtep
->flood_control
8184 == VXLAN_FLOOD_DISABLED
)
8185 /* old mode was head-end-replication but
8186 * is no longer; get rid of the HER fdb
8187 * entry installed before
8189 zvni_vtep_uninstall(zvni
, &vtep_ip
);
8190 zvtep
->flood_control
= flood_control
;
8191 zvni_vtep_install(zvni
, zvtep
);
8194 zvtep
= zvni_vtep_add(zvni
, &vtep_ip
, flood_control
);
8196 zvni_vtep_install(zvni
, zvtep
);
8198 flog_err(EC_ZEBRA_VTEP_ADD_FAILED
,
8199 "Failed to add remote VTEP, VNI %u zvni %p",
8209 * Add/Del gateway macip to evpn
8211 * 1. SVI interface on a vlan aware bridge
8212 * 2. SVI interface on a vlan unaware bridge
8213 * 3. vrr interface (MACVLAN) associated to a SVI
8214 * We advertise macip routes for an interface if it is associated to VxLan vlan
8216 int zebra_vxlan_add_del_gw_macip(struct interface
*ifp
, struct prefix
*p
,
8220 struct ethaddr macaddr
;
8221 zebra_vni_t
*zvni
= NULL
;
8223 memset(&ip
, 0, sizeof(struct ipaddr
));
8224 memset(&macaddr
, 0, sizeof(struct ethaddr
));
8226 /* Check if EVPN is enabled. */
8227 if (!is_evpn_enabled())
8230 if (IS_ZEBRA_IF_MACVLAN(ifp
)) {
8231 struct interface
*svi_if
=
8232 NULL
; /* SVI corresponding to the MACVLAN */
8233 struct zebra_if
*ifp_zif
=
8234 NULL
; /* Zebra daemon specific info for MACVLAN */
8235 struct zebra_if
*svi_if_zif
=
8236 NULL
; /* Zebra daemon specific info for SVI*/
8238 ifp_zif
= ifp
->info
;
8243 * for a MACVLAN interface the link represents the svi_if
8245 svi_if
= if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT
),
8246 ifp_zif
->link_ifindex
);
8248 zlog_debug("MACVLAN %s(%u) without link information",
8249 ifp
->name
, ifp
->ifindex
);
8253 if (IS_ZEBRA_IF_VLAN(svi_if
)) {
8255 * If it is a vlan aware bridge then the link gives the
8256 * bridge information
8258 struct interface
*svi_if_link
= NULL
;
8260 svi_if_zif
= svi_if
->info
;
8262 svi_if_link
= if_lookup_by_index_per_ns(
8263 zebra_ns_lookup(NS_DEFAULT
),
8264 svi_if_zif
->link_ifindex
);
8265 zvni
= zvni_from_svi(svi_if
, svi_if_link
);
8267 } else if (IS_ZEBRA_IF_BRIDGE(svi_if
)) {
8269 * If it is a vlan unaware bridge then svi is the bridge
8272 zvni
= zvni_from_svi(svi_if
, svi_if
);
8274 } else if (IS_ZEBRA_IF_VLAN(ifp
)) {
8275 struct zebra_if
*svi_if_zif
=
8276 NULL
; /* Zebra daemon specific info for SVI */
8277 struct interface
*svi_if_link
=
8278 NULL
; /* link info for the SVI = bridge info */
8280 svi_if_zif
= ifp
->info
;
8282 svi_if_link
= if_lookup_by_index_per_ns(
8283 zebra_ns_lookup(NS_DEFAULT
),
8284 svi_if_zif
->link_ifindex
);
8286 zvni
= zvni_from_svi(ifp
, svi_if_link
);
8288 } else if (IS_ZEBRA_IF_BRIDGE(ifp
)) {
8289 zvni
= zvni_from_svi(ifp
, ifp
);
8295 if (!zvni
->vxlan_if
) {
8296 zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up",
8302 memcpy(&macaddr
.octet
, ifp
->hw_addr
, ETH_ALEN
);
8304 if (p
->family
== AF_INET
) {
8305 ip
.ipa_type
= IPADDR_V4
;
8306 memcpy(&(ip
.ipaddr_v4
), &(p
->u
.prefix4
),
8307 sizeof(struct in_addr
));
8308 } else if (p
->family
== AF_INET6
) {
8309 ip
.ipa_type
= IPADDR_V6
;
8310 memcpy(&(ip
.ipaddr_v6
), &(p
->u
.prefix6
),
8311 sizeof(struct in6_addr
));
8316 zvni_gw_macip_add(ifp
, zvni
, &macaddr
, &ip
);
8318 zvni_gw_macip_del(ifp
, zvni
, &ip
);
8324 * Handle SVI interface going down.
8325 * SVI can be associated to either L3-VNI or L2-VNI.
8326 * For L2-VNI: At this point, this is a NOP since
8327 * the kernel deletes the neighbor entries on this SVI (if any).
8328 * We only need to update the vrf corresponding to zvni.
8329 * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete
8332 int zebra_vxlan_svi_down(struct interface
*ifp
, struct interface
*link_if
)
8334 zebra_l3vni_t
*zl3vni
= NULL
;
8336 zl3vni
= zl3vni_from_svi(ifp
, link_if
);
8339 /* process l3-vni down */
8340 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8342 /* remove association with svi-if */
8343 zl3vni
->svi_if
= NULL
;
8345 zebra_vni_t
*zvni
= NULL
;
8347 /* since we dont have svi corresponding to zvni, we associate it
8348 * to default vrf. Note: the corresponding neigh entries on the
8349 * SVI would have already been deleted */
8350 zvni
= zvni_from_svi(ifp
, link_if
);
8352 zvni
->vrf_id
= VRF_DEFAULT
;
8354 /* update the tenant vrf in BGP */
8355 zvni_send_add_to_client(zvni
);
8362 * Handle SVI interface coming up.
8363 * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni
8365 * For L2-VNI: we need to install any remote neighbors entried (used for
8367 * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI
8369 int zebra_vxlan_svi_up(struct interface
*ifp
, struct interface
*link_if
)
8371 zebra_vni_t
*zvni
= NULL
;
8372 zebra_l3vni_t
*zl3vni
= NULL
;
8374 zl3vni
= zl3vni_from_svi(ifp
, link_if
);
8377 /* associate with svi */
8378 zl3vni
->svi_if
= ifp
;
8380 /* process oper-up */
8381 if (is_l3vni_oper_up(zl3vni
))
8382 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
8385 /* process SVI up for l2-vni */
8386 struct neigh_walk_ctx n_wctx
;
8388 zvni
= zvni_from_svi(ifp
, link_if
);
8392 if (!zvni
->vxlan_if
) {
8394 "VNI %u hash %p doesn't have intf upon SVI up",
8399 if (IS_ZEBRA_DEBUG_VXLAN
)
8401 "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors",
8402 ifp
->name
, ifp
->ifindex
, zvni
->vni
,
8403 vrf_id_to_name(ifp
->vrf_id
));
8405 /* update the vrf information for l2-vni and inform bgp */
8406 zvni
->vrf_id
= ifp
->vrf_id
;
8407 zvni_send_add_to_client(zvni
);
8409 /* Install any remote neighbors for this VNI. */
8410 memset(&n_wctx
, 0, sizeof(struct neigh_walk_ctx
));
8412 hash_iterate(zvni
->neigh_table
, zvni_install_neigh_hash
,
8420 * Handle VxLAN interface down
8422 int zebra_vxlan_if_down(struct interface
*ifp
)
8425 struct zebra_if
*zif
= NULL
;
8426 struct zebra_l2info_vxlan
*vxl
= NULL
;
8427 zebra_l3vni_t
*zl3vni
= NULL
;
8430 /* Check if EVPN is enabled. */
8431 if (!is_evpn_enabled())
8436 vxl
= &zif
->l2info
.vxl
;
8439 zl3vni
= zl3vni_lookup(vni
);
8441 /* process-if-down for l3-vni */
8442 if (IS_ZEBRA_DEBUG_VXLAN
)
8443 zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp
->name
,
8446 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8448 /* process if-down for l2-vni */
8449 if (IS_ZEBRA_DEBUG_VXLAN
)
8450 zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp
->name
,
8453 /* Locate hash entry; it is expected to exist. */
8454 zvni
= zvni_lookup(vni
);
8457 "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u",
8458 ifp
->name
, ifp
->ifindex
, vni
);
8462 assert(zvni
->vxlan_if
== ifp
);
8464 /* Delete this VNI from BGP. */
8465 zvni_send_del_to_client(zvni
->vni
);
8467 /* Free up all neighbors and MACs, if any. */
8468 zvni_neigh_del_all(zvni
, 1, 0, DEL_ALL_NEIGH
);
8469 zvni_mac_del_all(zvni
, 1, 0, DEL_ALL_MAC
);
8471 /* Free up all remote VTEPs, if any. */
8472 zvni_vtep_del_all(zvni
, 1);
8478 * Handle VxLAN interface up - update BGP if required.
8480 int zebra_vxlan_if_up(struct interface
*ifp
)
8483 struct zebra_if
*zif
= NULL
;
8484 struct zebra_l2info_vxlan
*vxl
= NULL
;
8485 zebra_vni_t
*zvni
= NULL
;
8486 zebra_l3vni_t
*zl3vni
= NULL
;
8488 /* Check if EVPN is enabled. */
8489 if (!is_evpn_enabled())
8494 vxl
= &zif
->l2info
.vxl
;
8497 zl3vni
= zl3vni_lookup(vni
);
8500 if (IS_ZEBRA_DEBUG_VXLAN
)
8501 zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp
->name
,
8504 /* we need to associate with SVI, if any, we can associate with
8505 * svi-if only after association with vxlan-intf is complete
8507 zl3vni
->svi_if
= zl3vni_map_to_svi_if(zl3vni
);
8509 if (is_l3vni_oper_up(zl3vni
))
8510 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
8512 /* Handle L2-VNI add */
8513 struct interface
*vlan_if
= NULL
;
8515 if (IS_ZEBRA_DEBUG_VXLAN
)
8516 zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp
->name
,
8519 /* Locate hash entry; it is expected to exist. */
8520 zvni
= zvni_lookup(vni
);
8523 "Failed to locate VNI hash at UP, IF %s(%u) VNI %u",
8524 ifp
->name
, ifp
->ifindex
, vni
);
8528 assert(zvni
->vxlan_if
== ifp
);
8529 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
,
8530 zif
->brslave_info
.br_if
);
8532 zvni
->vrf_id
= vlan_if
->vrf_id
;
8533 zl3vni
= zl3vni_from_vrf(vlan_if
->vrf_id
);
8535 listnode_add_sort(zl3vni
->l2vnis
, zvni
);
8538 /* If part of a bridge, inform BGP about this VNI. */
8539 /* Also, read and populate local MACs and neighbors. */
8540 if (zif
->brslave_info
.br_if
) {
8541 zvni_send_add_to_client(zvni
);
8542 zvni_read_mac_neigh(zvni
, ifp
);
8550 * Handle VxLAN interface delete. Locate and remove entry in hash table
8551 * and update BGP, if required.
8553 int zebra_vxlan_if_del(struct interface
*ifp
)
8556 struct zebra_if
*zif
= NULL
;
8557 struct zebra_l2info_vxlan
*vxl
= NULL
;
8558 zebra_vni_t
*zvni
= NULL
;
8559 zebra_l3vni_t
*zl3vni
= NULL
;
8561 /* Check if EVPN is enabled. */
8562 if (!is_evpn_enabled())
8567 vxl
= &zif
->l2info
.vxl
;
8570 zl3vni
= zl3vni_lookup(vni
);
8573 if (IS_ZEBRA_DEBUG_VXLAN
)
8574 zlog_debug("Del L3-VNI %u intf %s(%u)", vni
, ifp
->name
,
8577 /* process oper-down for l3-vni */
8578 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8580 /* remove the association with vxlan_if */
8581 memset(&zl3vni
->local_vtep_ip
, 0, sizeof(struct in_addr
));
8582 zl3vni
->vxlan_if
= NULL
;
8585 /* process if-del for l2-vni*/
8586 if (IS_ZEBRA_DEBUG_VXLAN
)
8587 zlog_debug("Del L2-VNI %u intf %s(%u)", vni
, ifp
->name
,
8590 /* Locate hash entry; it is expected to exist. */
8591 zvni
= zvni_lookup(vni
);
8594 "Failed to locate VNI hash at del, IF %s(%u) VNI %u",
8595 ifp
->name
, ifp
->ifindex
, vni
);
8599 /* remove from l3-vni list */
8600 zl3vni
= zl3vni_from_vrf(zvni
->vrf_id
);
8602 listnode_delete(zl3vni
->l2vnis
, zvni
);
8604 /* Delete VNI from BGP. */
8605 zvni_send_del_to_client(zvni
->vni
);
8607 /* Free up all neighbors and MAC, if any. */
8608 zvni_neigh_del_all(zvni
, 0, 0, DEL_ALL_NEIGH
);
8609 zvni_mac_del_all(zvni
, 0, 0, DEL_ALL_MAC
);
8611 /* Free up all remote VTEPs, if any. */
8612 zvni_vtep_del_all(zvni
, 0);
8614 /* Delete the hash entry. */
8615 if (zvni_del(zvni
)) {
8616 flog_err(EC_ZEBRA_VNI_DEL_FAILED
,
8617 "Failed to del VNI hash %p, IF %s(%u) VNI %u",
8618 zvni
, ifp
->name
, ifp
->ifindex
, zvni
->vni
);
8626 * Handle VxLAN interface update - change to tunnel IP, master or VLAN.
8628 int zebra_vxlan_if_update(struct interface
*ifp
, uint16_t chgflags
)
8631 struct zebra_if
*zif
= NULL
;
8632 struct zebra_l2info_vxlan
*vxl
= NULL
;
8633 zebra_vni_t
*zvni
= NULL
;
8634 zebra_l3vni_t
*zl3vni
= NULL
;
8636 /* Check if EVPN is enabled. */
8637 if (!is_evpn_enabled())
8642 vxl
= &zif
->l2info
.vxl
;
8645 zl3vni
= zl3vni_lookup(vni
);
8648 if (IS_ZEBRA_DEBUG_VXLAN
)
8650 "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x",
8651 vni
, ifp
->name
, ifp
->ifindex
, vxl
->access_vlan
,
8652 inet_ntoa(vxl
->vtep_ip
),
8653 zif
->brslave_info
.bridge_ifindex
, chgflags
);
8655 /* Removed from bridge? Cleanup and return */
8656 if ((chgflags
& ZEBRA_VXLIF_MASTER_CHANGE
)
8657 && (zif
->brslave_info
.bridge_ifindex
== IFINDEX_INTERNAL
)) {
8658 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8662 /* access-vlan change - process oper down, associate with new
8663 * svi_if and then process oper up again
8665 if (chgflags
& ZEBRA_VXLIF_VLAN_CHANGE
) {
8666 if (if_is_operative(ifp
)) {
8667 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8668 zl3vni
->svi_if
= NULL
;
8669 zl3vni
->svi_if
= zl3vni_map_to_svi_if(zl3vni
);
8670 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
8671 if (is_l3vni_oper_up(zl3vni
))
8672 zebra_vxlan_process_l3vni_oper_up(
8678 * local-ip change - process oper down, associate with new
8679 * local-ip and then process oper up again
8681 if (chgflags
& ZEBRA_VXLIF_LOCAL_IP_CHANGE
) {
8682 if (if_is_operative(ifp
)) {
8683 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8684 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
8685 if (is_l3vni_oper_up(zl3vni
))
8686 zebra_vxlan_process_l3vni_oper_up(
8691 /* Update local tunnel IP. */
8692 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
8694 /* if we have a valid new master, process l3-vni oper up */
8695 if (chgflags
& ZEBRA_VXLIF_MASTER_CHANGE
) {
8696 if (if_is_operative(ifp
) && is_l3vni_oper_up(zl3vni
))
8697 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
8701 /* Update VNI hash. */
8702 zvni
= zvni_lookup(vni
);
8705 "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u",
8706 ifp
->name
, ifp
->ifindex
, vni
);
8710 if (IS_ZEBRA_DEBUG_VXLAN
)
8712 "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x",
8713 vni
, ifp
->name
, ifp
->ifindex
, vxl
->access_vlan
,
8714 inet_ntoa(vxl
->vtep_ip
),
8715 zif
->brslave_info
.bridge_ifindex
, chgflags
);
8717 /* Removed from bridge? Cleanup and return */
8718 if ((chgflags
& ZEBRA_VXLIF_MASTER_CHANGE
)
8719 && (zif
->brslave_info
.bridge_ifindex
== IFINDEX_INTERNAL
)) {
8720 /* Delete from client, remove all remote VTEPs */
8721 /* Also, free up all MACs and neighbors. */
8722 zvni_send_del_to_client(zvni
->vni
);
8723 zvni_neigh_del_all(zvni
, 1, 0, DEL_ALL_NEIGH
);
8724 zvni_mac_del_all(zvni
, 1, 0, DEL_ALL_MAC
);
8725 zvni_vtep_del_all(zvni
, 1);
8729 /* Handle other changes. */
8730 if (chgflags
& ZEBRA_VXLIF_VLAN_CHANGE
) {
8731 /* Remove all existing local neigh and MACs for this VNI
8732 * (including from BGP)
8734 zvni_neigh_del_all(zvni
, 0, 1, DEL_LOCAL_MAC
);
8735 zvni_mac_del_all(zvni
, 0, 1, DEL_LOCAL_MAC
);
8738 if (zvni
->local_vtep_ip
.s_addr
!= vxl
->vtep_ip
.s_addr
||
8739 zvni
->mcast_grp
.s_addr
!= vxl
->mcast_grp
.s_addr
) {
8740 zebra_vxlan_sg_deref(zvni
->local_vtep_ip
,
8742 zebra_vxlan_sg_ref(vxl
->vtep_ip
, vxl
->mcast_grp
);
8743 zvni
->local_vtep_ip
= vxl
->vtep_ip
;
8744 zvni
->mcast_grp
= vxl
->mcast_grp
;
8746 zvni
->vxlan_if
= ifp
;
8748 /* Take further actions needed.
8749 * Note that if we are here, there is a change of interest.
8751 /* If down or not mapped to a bridge, we're done. */
8752 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
8755 /* Inform BGP, if there is a change of interest. */
8757 & (ZEBRA_VXLIF_MASTER_CHANGE
|
8758 ZEBRA_VXLIF_LOCAL_IP_CHANGE
|
8759 ZEBRA_VXLIF_MCAST_GRP_CHANGE
))
8760 zvni_send_add_to_client(zvni
);
8762 /* If there is a valid new master or a VLAN mapping change,
8763 * read and populate local MACs and neighbors.
8764 * Also, reinstall any remote MACs and neighbors
8765 * for this VNI (based on new VLAN).
8767 if (chgflags
& ZEBRA_VXLIF_MASTER_CHANGE
)
8768 zvni_read_mac_neigh(zvni
, ifp
);
8769 else if (chgflags
& ZEBRA_VXLIF_VLAN_CHANGE
) {
8770 struct mac_walk_ctx m_wctx
;
8771 struct neigh_walk_ctx n_wctx
;
8773 zvni_read_mac_neigh(zvni
, ifp
);
8775 memset(&m_wctx
, 0, sizeof(struct mac_walk_ctx
));
8777 hash_iterate(zvni
->mac_table
, zvni_install_mac_hash
,
8780 memset(&n_wctx
, 0, sizeof(struct neigh_walk_ctx
));
8782 hash_iterate(zvni
->neigh_table
, zvni_install_neigh_hash
,
8791 * Handle VxLAN interface add.
8793 int zebra_vxlan_if_add(struct interface
*ifp
)
8796 struct zebra_if
*zif
= NULL
;
8797 struct zebra_l2info_vxlan
*vxl
= NULL
;
8798 zebra_vni_t
*zvni
= NULL
;
8799 zebra_l3vni_t
*zl3vni
= NULL
;
8801 /* Check if EVPN is enabled. */
8802 if (!is_evpn_enabled())
8807 vxl
= &zif
->l2info
.vxl
;
8810 zl3vni
= zl3vni_lookup(vni
);
8813 /* process if-add for l3-vni*/
8814 if (IS_ZEBRA_DEBUG_VXLAN
)
8816 "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u",
8817 vni
, ifp
->name
, ifp
->ifindex
, vxl
->access_vlan
,
8818 inet_ntoa(vxl
->vtep_ip
),
8819 zif
->brslave_info
.bridge_ifindex
);
8821 /* associate with vxlan_if */
8822 zl3vni
->local_vtep_ip
= vxl
->vtep_ip
;
8823 zl3vni
->vxlan_if
= ifp
;
8825 /* Associate with SVI, if any. We can associate with svi-if only
8826 * after association with vxlan_if is complete */
8827 zl3vni
->svi_if
= zl3vni_map_to_svi_if(zl3vni
);
8829 if (is_l3vni_oper_up(zl3vni
))
8830 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
8833 /* process if-add for l2-vni */
8834 struct interface
*vlan_if
= NULL
;
8836 /* Create or update VNI hash. */
8837 zvni
= zvni_lookup(vni
);
8839 zvni
= zvni_add(vni
);
8842 EC_ZEBRA_VNI_ADD_FAILED
,
8843 "Failed to add VNI hash, IF %s(%u) VNI %u",
8844 ifp
->name
, ifp
->ifindex
, vni
);
8849 if (zvni
->local_vtep_ip
.s_addr
!= vxl
->vtep_ip
.s_addr
||
8850 zvni
->mcast_grp
.s_addr
!= vxl
->mcast_grp
.s_addr
) {
8851 zebra_vxlan_sg_deref(zvni
->local_vtep_ip
,
8853 zebra_vxlan_sg_ref(vxl
->vtep_ip
, vxl
->mcast_grp
);
8854 zvni
->local_vtep_ip
= vxl
->vtep_ip
;
8855 zvni
->mcast_grp
= vxl
->mcast_grp
;
8857 zvni
->vxlan_if
= ifp
;
8858 vlan_if
= zvni_map_to_svi(vxl
->access_vlan
,
8859 zif
->brslave_info
.br_if
);
8861 zvni
->vrf_id
= vlan_if
->vrf_id
;
8862 zl3vni
= zl3vni_from_vrf(vlan_if
->vrf_id
);
8864 listnode_add_sort(zl3vni
->l2vnis
, zvni
);
8867 if (IS_ZEBRA_DEBUG_VXLAN
) {
8868 char addr_buf1
[INET_ADDRSTRLEN
];
8869 char addr_buf2
[INET_ADDRSTRLEN
];
8871 inet_ntop(AF_INET
, &vxl
->vtep_ip
,
8872 addr_buf1
, INET_ADDRSTRLEN
);
8873 inet_ntop(AF_INET
, &vxl
->mcast_grp
,
8874 addr_buf2
, INET_ADDRSTRLEN
);
8877 "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s mcast_grp %s master %u",
8879 vlan_if
? vrf_id_to_name(vlan_if
->vrf_id
)
8881 ifp
->name
, ifp
->ifindex
, vxl
->access_vlan
,
8882 addr_buf1
, addr_buf2
,
8883 zif
->brslave_info
.bridge_ifindex
);
8886 /* If down or not mapped to a bridge, we're done. */
8887 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
8891 zvni_send_add_to_client(zvni
);
8893 /* Read and populate local MACs and neighbors */
8894 zvni_read_mac_neigh(zvni
, ifp
);
8900 int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf
*zvrf
, vni_t vni
,
8901 char *err
, int err_str_sz
, int filter
,
8904 zebra_l3vni_t
*zl3vni
= NULL
;
8905 struct zebra_vrf
*zvrf_evpn
= NULL
;
8907 zvrf_evpn
= zebra_vrf_get_evpn();
8911 if (IS_ZEBRA_DEBUG_VXLAN
)
8912 zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf
), vni
,
8913 add
? "ADD" : "DEL");
8917 zebra_vxlan_handle_vni_transition(zvrf
, vni
, add
);
8919 /* check if the vni is already present under zvrf */
8921 snprintf(err
, err_str_sz
,
8922 "VNI is already configured under the vrf");
8926 /* check if this VNI is already present in the system */
8927 zl3vni
= zl3vni_lookup(vni
);
8929 snprintf(err
, err_str_sz
,
8930 "VNI is already configured as L3-VNI");
8934 /* add the L3-VNI to the global table */
8935 zl3vni
= zl3vni_add(vni
, zvrf_id(zvrf
));
8937 snprintf(err
, err_str_sz
, "Could not add L3-VNI");
8941 /* associate the vrf with vni */
8944 /* set the filter in l3vni to denote if we are using l3vni only
8948 SET_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
);
8950 /* associate with vxlan-intf;
8951 * we need to associate with the vxlan-intf first
8953 zl3vni
->vxlan_if
= zl3vni_map_to_vxlan_if(zl3vni
);
8955 /* associate with corresponding SVI interface, we can associate
8956 * with svi-if only after vxlan interface association is
8959 zl3vni
->svi_if
= zl3vni_map_to_svi_if(zl3vni
);
8961 /* formulate l2vni list */
8962 hash_iterate(zvrf_evpn
->vni_table
, zvni_add_to_l3vni_list
,
8965 if (is_l3vni_oper_up(zl3vni
))
8966 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
8969 zl3vni
= zl3vni_lookup(vni
);
8971 snprintf(err
, err_str_sz
, "VNI doesn't exist");
8975 if (zvrf
->l3vni
!= vni
) {
8976 snprintf(err
, err_str_sz
,
8977 "VNI %d doesn't exist in VRF: %s",
8978 vni
, zvrf
->vrf
->name
);
8982 if (filter
&& !CHECK_FLAG(zl3vni
->filter
, PREFIX_ROUTES_ONLY
)) {
8983 snprintf(err
, ERR_STR_SZ
,
8984 "prefix-routes-only is not set for the vni");
8988 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
8990 /* delete and uninstall all rmacs */
8991 hash_iterate(zl3vni
->rmac_table
, zl3vni_del_rmac_hash_entry
,
8994 /* delete and uninstall all next-hops */
8995 hash_iterate(zl3vni
->nh_table
, zl3vni_del_nh_hash_entry
,
9001 zebra_vxlan_handle_vni_transition(zvrf
, vni
, add
);
9006 int zebra_vxlan_vrf_enable(struct zebra_vrf
*zvrf
)
9008 zebra_l3vni_t
*zl3vni
= NULL
;
9011 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
9015 zl3vni
->vrf_id
= zvrf_id(zvrf
);
9016 if (is_l3vni_oper_up(zl3vni
))
9017 zebra_vxlan_process_l3vni_oper_up(zl3vni
);
9021 int zebra_vxlan_vrf_disable(struct zebra_vrf
*zvrf
)
9023 zebra_l3vni_t
*zl3vni
= NULL
;
9026 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
9030 zl3vni
->vrf_id
= VRF_UNKNOWN
;
9031 zebra_vxlan_process_l3vni_oper_down(zl3vni
);
9035 int zebra_vxlan_vrf_delete(struct zebra_vrf
*zvrf
)
9037 zebra_l3vni_t
*zl3vni
= NULL
;
9041 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
9047 zebra_vxlan_handle_vni_transition(zvrf
, vni
, 0);
9053 * Handle message from client to specify the flooding mechanism for
9054 * BUM packets. The default is to do head-end (ingress) replication
9055 * and the other supported option is to disable it. This applies to
9056 * all BUM traffic and disabling it applies to both the transmit and
9057 * receive direction.
9059 void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS
)
9062 enum vxlan_flood_control flood_ctrl
;
9064 if (!EVPN_ENABLED(zvrf
)) {
9065 zlog_err("EVPN flood control for non-EVPN VRF %u",
9071 STREAM_GETC(s
, flood_ctrl
);
9073 if (IS_ZEBRA_DEBUG_VXLAN
)
9074 zlog_debug("EVPN flood control %u, currently %u",
9075 flood_ctrl
, zvrf
->vxlan_flood_ctrl
);
9077 if (zvrf
->vxlan_flood_ctrl
== flood_ctrl
)
9080 zvrf
->vxlan_flood_ctrl
= flood_ctrl
;
9082 /* Install or uninstall flood entries corresponding to
9085 hash_iterate(zvrf
->vni_table
, zvni_handle_flooding_remote_vteps
,
9093 * Handle message from client to enable/disable advertisement of svi macip
9096 void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS
)
9101 zebra_vni_t
*zvni
= NULL
;
9102 struct interface
*ifp
= NULL
;
9104 if (!EVPN_ENABLED(zvrf
)) {
9105 zlog_debug("EVPN SVI-MACIP Adv for non-EVPN VRF %u",
9111 STREAM_GETC(s
, advertise
);
9112 STREAM_GETL(s
, vni
);
9115 if (IS_ZEBRA_DEBUG_VXLAN
)
9116 zlog_debug("EVPN SVI-MACIP Adv %s, currently %s",
9117 advertise
? "enabled" : "disabled",
9118 advertise_svi_macip_enabled(NULL
)
9122 if (zvrf
->advertise_svi_macip
== advertise
)
9127 zvrf
->advertise_svi_macip
= advertise
;
9128 hash_iterate(zvrf
->vni_table
,
9129 zvni_gw_macip_add_for_vni_hash
, NULL
);
9131 hash_iterate(zvrf
->vni_table
,
9132 zvni_svi_macip_del_for_vni_hash
, NULL
);
9133 zvrf
->advertise_svi_macip
= advertise
;
9137 struct zebra_if
*zif
= NULL
;
9138 struct zebra_l2info_vxlan zl2_info
;
9139 struct interface
*vlan_if
= NULL
;
9141 zvni
= zvni_lookup(vni
);
9145 if (IS_ZEBRA_DEBUG_VXLAN
)
9147 "EVPN SVI macip Adv %s on VNI %d , currently %s",
9148 advertise
? "enabled" : "disabled", vni
,
9149 advertise_svi_macip_enabled(zvni
)
9153 if (zvni
->advertise_svi_macip
== advertise
)
9156 /* Store flag even though SVI is not present.
9157 * Once SVI comes up triggers self MAC-IP route add.
9159 zvni
->advertise_svi_macip
= advertise
;
9161 ifp
= zvni
->vxlan_if
;
9167 /* If down or not mapped to a bridge, we're done. */
9168 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
9171 zl2_info
= zif
->l2info
.vxl
;
9172 vlan_if
= zvni_map_to_svi(zl2_info
.access_vlan
,
9173 zif
->brslave_info
.br_if
);
9178 /* Add primary SVI MAC-IP */
9179 zvni_add_macip_for_intf(vlan_if
, zvni
);
9181 /* Del primary SVI MAC-IP */
9182 zvni_del_macip_for_intf(vlan_if
, zvni
);
9191 * Handle message from client to enable/disable advertisement of g/w macip
9194 void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS
)
9199 zebra_vni_t
*zvni
= NULL
;
9200 struct interface
*ifp
= NULL
;
9201 struct zebra_if
*zif
= NULL
;
9202 struct zebra_l2info_vxlan zl2_info
;
9203 struct interface
*vlan_if
= NULL
;
9205 if (!EVPN_ENABLED(zvrf
)) {
9206 zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u",
9212 STREAM_GETC(s
, advertise
);
9213 vni
= stream_get3(s
);
9215 zvni
= zvni_lookup(vni
);
9219 if (zvni
->advertise_subnet
== advertise
)
9222 if (IS_ZEBRA_DEBUG_VXLAN
)
9223 zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s",
9224 advertise
? "enabled" : "disabled", vni
,
9225 zvni
->advertise_subnet
? "enabled" : "disabled");
9228 zvni
->advertise_subnet
= advertise
;
9230 ifp
= zvni
->vxlan_if
;
9236 /* If down or not mapped to a bridge, we're done. */
9237 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
9240 zl2_info
= zif
->l2info
.vxl
;
9243 zvni_map_to_svi(zl2_info
.access_vlan
, zif
->brslave_info
.br_if
);
9247 if (zvni
->advertise_subnet
)
9248 zvni_advertise_subnet(zvni
, vlan_if
, 1);
9250 zvni_advertise_subnet(zvni
, vlan_if
, 0);
9257 * Handle message from client to enable/disable advertisement of g/w macip
9260 void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS
)
9265 zebra_vni_t
*zvni
= NULL
;
9266 struct interface
*ifp
= NULL
;
9268 if (!EVPN_ENABLED(zvrf
)) {
9269 zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u",
9275 STREAM_GETC(s
, advertise
);
9276 STREAM_GETL(s
, vni
);
9279 if (IS_ZEBRA_DEBUG_VXLAN
)
9280 zlog_debug("EVPN gateway macip Adv %s, currently %s",
9281 advertise
? "enabled" : "disabled",
9282 advertise_gw_macip_enabled(NULL
)
9286 if (zvrf
->advertise_gw_macip
== advertise
)
9289 zvrf
->advertise_gw_macip
= advertise
;
9291 if (advertise_gw_macip_enabled(zvni
))
9292 hash_iterate(zvrf
->vni_table
,
9293 zvni_gw_macip_add_for_vni_hash
, NULL
);
9295 hash_iterate(zvrf
->vni_table
,
9296 zvni_gw_macip_del_for_vni_hash
, NULL
);
9299 struct zebra_if
*zif
= NULL
;
9300 struct zebra_l2info_vxlan zl2_info
;
9301 struct interface
*vlan_if
= NULL
;
9302 struct interface
*vrr_if
= NULL
;
9304 zvni
= zvni_lookup(vni
);
9308 if (IS_ZEBRA_DEBUG_VXLAN
)
9310 "EVPN gateway macip Adv %s on VNI %d , currently %s",
9311 advertise
? "enabled" : "disabled", vni
,
9312 advertise_gw_macip_enabled(zvni
) ? "enabled"
9315 if (zvni
->advertise_gw_macip
== advertise
)
9318 zvni
->advertise_gw_macip
= advertise
;
9320 ifp
= zvni
->vxlan_if
;
9326 /* If down or not mapped to a bridge, we're done. */
9327 if (!if_is_operative(ifp
) || !zif
->brslave_info
.br_if
)
9330 zl2_info
= zif
->l2info
.vxl
;
9332 vlan_if
= zvni_map_to_svi(zl2_info
.access_vlan
,
9333 zif
->brslave_info
.br_if
);
9337 if (advertise_gw_macip_enabled(zvni
)) {
9338 /* Add primary SVI MAC-IP */
9339 zvni_add_macip_for_intf(vlan_if
, zvni
);
9341 /* Add VRR MAC-IP - if any*/
9342 vrr_if
= zebra_get_vrr_intf_for_svi(vlan_if
);
9344 zvni_add_macip_for_intf(vrr_if
, zvni
);
9346 /* Del primary MAC-IP */
9347 zvni_del_macip_for_intf(vlan_if
, zvni
);
9349 /* Del VRR MAC-IP - if any*/
9350 vrr_if
= zebra_get_vrr_intf_for_svi(vlan_if
);
9352 zvni_del_macip_for_intf(vrr_if
, zvni
);
9362 * Handle message from client to learn (or stop learning) about VNIs and MACs.
9363 * When enabled, the VNI hash table will be built and MAC FDB table read;
9364 * when disabled, the entries should be deleted and remote VTEPs and MACs
9365 * uninstalled from the kernel.
9366 * This also informs the setting for BUM handling at the time this change
9367 * occurs; it is relevant only when specifying "learn".
9369 void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS
)
9371 struct stream
*s
= NULL
;
9373 enum vxlan_flood_control flood_ctrl
;
9375 /* Mismatch between EVPN VRF and current VRF (should be prevented by
9377 if (is_evpn_enabled() && !EVPN_ENABLED(zvrf
))
9381 STREAM_GETC(s
, advertise
);
9382 STREAM_GETC(s
, flood_ctrl
);
9384 if (IS_ZEBRA_DEBUG_VXLAN
)
9385 zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u",
9386 zvrf_name(zvrf
), zvrf_id(zvrf
),
9387 advertise
? "enabled" : "disabled",
9388 is_evpn_enabled() ? "enabled" : "disabled",
9391 if (zvrf
->advertise_all_vni
== advertise
)
9394 zvrf
->advertise_all_vni
= advertise
;
9395 if (EVPN_ENABLED(zvrf
)) {
9396 zrouter
.evpn_vrf
= zvrf
;
9398 /* Note BUM handling */
9399 zvrf
->vxlan_flood_ctrl
= flood_ctrl
;
9401 /* Build VNI hash table and inform BGP. */
9402 zvni_build_hash_table();
9404 /* Add all SVI (L3 GW) MACs to BGP*/
9405 hash_iterate(zvrf
->vni_table
, zvni_gw_macip_add_for_vni_hash
,
9408 /* Read the MAC FDB */
9409 macfdb_read(zvrf
->zns
);
9411 /* Read neighbors */
9412 neigh_read(zvrf
->zns
);
9414 /* Cleanup VTEPs for all VNIs - uninstall from
9415 * kernel and free entries.
9417 hash_iterate(zvrf
->vni_table
, zvni_cleanup_all
, zvrf
);
9419 /* cleanup all l3vnis */
9420 hash_iterate(zrouter
.l3vni_table
, zl3vni_cleanup_all
, NULL
);
9422 /* Mark as "no EVPN VRF" */
9423 zrouter
.evpn_vrf
= NULL
;
9431 * Allocate VNI hash table for this VRF and do other initialization.
9432 * NOTE: Currently supported only for default VRF.
9434 void zebra_vxlan_init_tables(struct zebra_vrf
*zvrf
)
9438 zvrf
->vni_table
= hash_create(vni_hash_keymake
, vni_hash_cmp
,
9439 "Zebra VRF VNI Table");
9440 zvrf
->vxlan_sg_table
= hash_create(zebra_vxlan_sg_hash_key_make
,
9441 zebra_vxlan_sg_hash_eq
, "Zebra VxLAN SG Table");
9444 /* Cleanup VNI info, but don't free the table. */
9445 void zebra_vxlan_cleanup_tables(struct zebra_vrf
*zvrf
)
9449 hash_iterate(zvrf
->vni_table
, zvni_cleanup_all
, zvrf
);
9450 hash_iterate(zvrf
->vxlan_sg_table
, zebra_vxlan_sg_cleanup
, NULL
);
9453 /* Close all VNI handling */
9454 void zebra_vxlan_close_tables(struct zebra_vrf
*zvrf
)
9458 hash_iterate(zvrf
->vni_table
, zvni_cleanup_all
, zvrf
);
9459 hash_free(zvrf
->vni_table
);
9462 /* init the l3vni table */
9463 void zebra_vxlan_init(void)
9465 zrouter
.l3vni_table
= hash_create(l3vni_hash_keymake
, l3vni_hash_cmp
,
9466 "Zebra VRF L3 VNI table");
9467 zrouter
.evpn_vrf
= NULL
;
9470 /* free l3vni table */
9471 void zebra_vxlan_disable(void)
9473 hash_free(zrouter
.l3vni_table
);
9476 /* get the l3vni svi ifindex */
9477 ifindex_t
get_l3vni_svi_ifindex(vrf_id_t vrf_id
)
9479 zebra_l3vni_t
*zl3vni
= NULL
;
9481 zl3vni
= zl3vni_from_vrf(vrf_id
);
9482 if (!zl3vni
|| !is_l3vni_oper_up(zl3vni
))
9485 return zl3vni
->svi_if
->ifindex
;
9488 static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread
*t
)
9490 struct zebra_vrf
*zvrf
= NULL
;
9491 zebra_neigh_t
*nbr
= NULL
;
9492 zebra_vni_t
*zvni
= NULL
;
9493 char buf1
[INET6_ADDRSTRLEN
];
9494 char buf2
[ETHER_ADDR_STRLEN
];
9496 nbr
= THREAD_ARG(t
);
9498 /* since this is asynchronous we need sanity checks*/
9499 zvrf
= vrf_info_lookup(nbr
->zvni
->vrf_id
);
9503 zvni
= zvni_lookup(nbr
->zvni
->vni
);
9507 nbr
= zvni_neigh_lookup(zvni
, &nbr
->ip
);
9511 if (IS_ZEBRA_DEBUG_VXLAN
)
9512 zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x learn count %u vni %u auto recovery expired",
9513 __PRETTY_FUNCTION__
,
9514 prefix_mac2str(&nbr
->emac
, buf2
, sizeof(buf2
)),
9515 ipaddr2str(&nbr
->ip
, buf1
, sizeof(buf1
)),
9517 nbr
->dad_count
, zvni
->vni
);
9519 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
9521 nbr
->detect_start_time
.tv_sec
= 0;
9522 nbr
->detect_start_time
.tv_usec
= 0;
9523 nbr
->dad_dup_detect_time
= 0;
9524 nbr
->dad_ip_auto_recovery_timer
= NULL
;
9525 ZEBRA_NEIGH_SET_ACTIVE(nbr
);
9528 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
)) {
9529 zvni_neigh_send_add_to_client(zvni
->vni
, &nbr
->ip
, &nbr
->emac
,
9530 nbr
->flags
, nbr
->loc_seq
);
9531 } else if (!!CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_REMOTE
)) {
9532 zvni_neigh_install(zvni
, nbr
);
9538 static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread
*t
)
9540 struct zebra_vrf
*zvrf
= NULL
;
9541 zebra_mac_t
*mac
= NULL
;
9542 zebra_vni_t
*zvni
= NULL
;
9543 struct listnode
*node
= NULL
;
9544 zebra_neigh_t
*nbr
= NULL
;
9545 char buf
[ETHER_ADDR_STRLEN
];
9547 mac
= THREAD_ARG(t
);
9549 /* since this is asynchronous we need sanity checks*/
9550 zvrf
= vrf_info_lookup(mac
->zvni
->vrf_id
);
9554 zvni
= zvni_lookup(mac
->zvni
->vni
);
9558 mac
= zvni_mac_lookup(zvni
, &mac
->macaddr
);
9562 if (IS_ZEBRA_DEBUG_VXLAN
)
9563 zlog_debug("%s: duplicate addr mac %s flags 0x%x learn count %u host count %u auto recovery expired",
9564 __PRETTY_FUNCTION__
,
9565 prefix_mac2str(&mac
->macaddr
, buf
, sizeof(buf
)),
9568 listcount(mac
->neigh_list
));
9570 /* Remove all IPs as duplicate associcated with this MAC */
9571 for (ALL_LIST_ELEMENTS_RO(mac
->neigh_list
, node
, nbr
)) {
9572 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
)) {
9573 if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_LOCAL
))
9574 ZEBRA_NEIGH_SET_INACTIVE(nbr
);
9575 else if (CHECK_FLAG(nbr
->flags
, ZEBRA_NEIGH_REMOTE
))
9576 zvni_neigh_install(zvni
, nbr
);
9579 UNSET_FLAG(nbr
->flags
, ZEBRA_NEIGH_DUPLICATE
);
9581 nbr
->detect_start_time
.tv_sec
= 0;
9582 nbr
->dad_dup_detect_time
= 0;
9585 UNSET_FLAG(mac
->flags
, ZEBRA_MAC_DUPLICATE
);
9587 mac
->detect_start_time
.tv_sec
= 0;
9588 mac
->detect_start_time
.tv_usec
= 0;
9589 mac
->dad_dup_detect_time
= 0;
9590 mac
->dad_mac_auto_recovery_timer
= NULL
;
9592 if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_LOCAL
)) {
9594 if (zvni_mac_send_add_to_client(zvni
->vni
, &mac
->macaddr
,
9595 mac
->flags
, mac
->loc_seq
))
9598 /* Process all neighbors associated with this MAC. */
9599 zvni_process_neigh_on_local_mac_change(zvni
, mac
, 0);
9601 } else if (CHECK_FLAG(mac
->flags
, ZEBRA_MAC_REMOTE
)) {
9602 zvni_process_neigh_on_remote_mac_add(zvni
, mac
);
9604 /* Install the entry. */
9605 zvni_mac_install(zvni
, mac
);
9611 /************************** vxlan SG cache management ************************/
9612 /* Inform PIM about the mcast group */
9613 static int zebra_vxlan_sg_send(struct zebra_vrf
*zvrf
,
9614 struct prefix_sg
*sg
,
9615 char *sg_str
, uint16_t cmd
)
9617 struct zserv
*client
= NULL
;
9618 struct stream
*s
= NULL
;
9620 client
= zserv_find_client(ZEBRA_ROUTE_PIM
, 0);
9624 if (!CHECK_FLAG(zvrf
->flags
, ZEBRA_PIM_SEND_VXLAN_SG
))
9627 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
9629 zclient_create_header(s
, cmd
, VRF_DEFAULT
);
9630 stream_putl(s
, IPV4_MAX_BYTELEN
);
9631 stream_put(s
, &sg
->src
.s_addr
, IPV4_MAX_BYTELEN
);
9632 stream_put(s
, &sg
->grp
.s_addr
, IPV4_MAX_BYTELEN
);
9634 /* Write packet size. */
9635 stream_putw_at(s
, 0, stream_get_endp(s
));
9637 if (IS_ZEBRA_DEBUG_VXLAN
)
9640 (cmd
== ZEBRA_VXLAN_SG_ADD
) ? "add" : "del", sg_str
,
9641 zebra_route_string(client
->proto
));
9643 if (cmd
== ZEBRA_VXLAN_SG_ADD
)
9644 client
->vxlan_sg_add_cnt
++;
9646 client
->vxlan_sg_del_cnt
++;
9648 return zserv_send_message(client
, s
);
9651 static unsigned int zebra_vxlan_sg_hash_key_make(const void *p
)
9653 const zebra_vxlan_sg_t
*vxlan_sg
= p
;
9655 return (jhash_2words(vxlan_sg
->sg
.src
.s_addr
,
9656 vxlan_sg
->sg
.grp
.s_addr
, 0));
9659 static bool zebra_vxlan_sg_hash_eq(const void *p1
, const void *p2
)
9661 const zebra_vxlan_sg_t
*sg1
= p1
;
9662 const zebra_vxlan_sg_t
*sg2
= p2
;
9664 return ((sg1
->sg
.src
.s_addr
== sg2
->sg
.src
.s_addr
)
9665 && (sg1
->sg
.grp
.s_addr
== sg2
->sg
.grp
.s_addr
));
9668 static zebra_vxlan_sg_t
*zebra_vxlan_sg_new(struct zebra_vrf
*zvrf
,
9669 struct prefix_sg
*sg
)
9671 zebra_vxlan_sg_t
*vxlan_sg
;
9673 vxlan_sg
= XCALLOC(MTYPE_ZVXLAN_SG
, sizeof(*vxlan_sg
));
9675 vxlan_sg
->zvrf
= zvrf
;
9677 prefix_sg2str(sg
, vxlan_sg
->sg_str
);
9679 vxlan_sg
= hash_get(zvrf
->vxlan_sg_table
, vxlan_sg
, hash_alloc_intern
);
9681 if (IS_ZEBRA_DEBUG_VXLAN
)
9682 zlog_debug("vxlan SG %s created", vxlan_sg
->sg_str
);
9687 static zebra_vxlan_sg_t
*zebra_vxlan_sg_find(struct zebra_vrf
*zvrf
,
9688 struct prefix_sg
*sg
)
9690 zebra_vxlan_sg_t lookup
;
9693 return hash_lookup(zvrf
->vxlan_sg_table
, &lookup
);
9696 static zebra_vxlan_sg_t
*zebra_vxlan_sg_add(struct zebra_vrf
*zvrf
,
9697 struct prefix_sg
*sg
)
9699 zebra_vxlan_sg_t
*vxlan_sg
;
9700 zebra_vxlan_sg_t
*parent
= NULL
;
9703 vxlan_sg
= zebra_vxlan_sg_find(zvrf
, sg
);
9707 /* create a *G entry for every BUM group implicitly -
9708 * 1. The SG entry is used by pimd to setup the vxlan-origination-mroute
9709 * 2. the XG entry is used by pimd to setup the
9710 * vxlan-termination-mroute
9712 if (sg
->src
.s_addr
) {
9713 memset(&sip
, 0, sizeof(sip
));
9714 parent
= zebra_vxlan_sg_do_ref(zvrf
, sip
, sg
->grp
);
9719 vxlan_sg
= zebra_vxlan_sg_new(zvrf
, sg
);
9722 zebra_vxlan_sg_do_deref(zvrf
, sip
, sg
->grp
);
9726 zebra_vxlan_sg_send(zvrf
, sg
, vxlan_sg
->sg_str
,
9727 ZEBRA_VXLAN_SG_ADD
);
9732 static void zebra_vxlan_sg_del(zebra_vxlan_sg_t
*vxlan_sg
)
9735 struct zebra_vrf
*zvrf
;
9737 zvrf
= vrf_info_lookup(VRF_DEFAULT
);
9741 /* On SG entry deletion remove the reference to its parent XG
9744 if (vxlan_sg
->sg
.src
.s_addr
) {
9745 memset(&sip
, 0, sizeof(sip
));
9746 zebra_vxlan_sg_do_deref(zvrf
, sip
, vxlan_sg
->sg
.grp
);
9749 zebra_vxlan_sg_send(zvrf
, &vxlan_sg
->sg
,
9750 vxlan_sg
->sg_str
, ZEBRA_VXLAN_SG_DEL
);
9752 hash_release(vxlan_sg
->zvrf
->vxlan_sg_table
, vxlan_sg
);
9754 if (IS_ZEBRA_DEBUG_VXLAN
)
9755 zlog_debug("VXLAN SG %s deleted", vxlan_sg
->sg_str
);
9757 XFREE(MTYPE_ZVXLAN_SG
, vxlan_sg
);
9760 static void zebra_vxlan_sg_do_deref(struct zebra_vrf
*zvrf
,
9761 struct in_addr sip
, struct in_addr mcast_grp
)
9763 zebra_vxlan_sg_t
*vxlan_sg
;
9764 struct prefix_sg sg
;
9766 sg
.family
= AF_INET
;
9767 sg
.prefixlen
= IPV4_MAX_BYTELEN
;
9770 vxlan_sg
= zebra_vxlan_sg_find(zvrf
, &sg
);
9774 if (vxlan_sg
->ref_cnt
)
9775 --vxlan_sg
->ref_cnt
;
9777 if (!vxlan_sg
->ref_cnt
)
9778 zebra_vxlan_sg_del(vxlan_sg
);
9781 static zebra_vxlan_sg_t
*zebra_vxlan_sg_do_ref(struct zebra_vrf
*zvrf
,
9782 struct in_addr sip
, struct in_addr mcast_grp
)
9784 zebra_vxlan_sg_t
*vxlan_sg
;
9785 struct prefix_sg sg
;
9787 sg
.family
= AF_INET
;
9788 sg
.prefixlen
= IPV4_MAX_BYTELEN
;
9791 vxlan_sg
= zebra_vxlan_sg_add(zvrf
, &sg
);
9793 ++vxlan_sg
->ref_cnt
;
9798 static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip
,
9799 struct in_addr mcast_grp
)
9801 struct zebra_vrf
*zvrf
;
9803 if (!local_vtep_ip
.s_addr
|| !mcast_grp
.s_addr
)
9806 zvrf
= vrf_info_lookup(VRF_DEFAULT
);
9810 zebra_vxlan_sg_do_deref(zvrf
, local_vtep_ip
, mcast_grp
);
9813 static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip
,
9814 struct in_addr mcast_grp
)
9816 struct zebra_vrf
*zvrf
;
9818 if (!local_vtep_ip
.s_addr
|| !mcast_grp
.s_addr
)
9821 zvrf
= vrf_info_lookup(VRF_DEFAULT
);
9824 zebra_vxlan_sg_do_ref(zvrf
, local_vtep_ip
, mcast_grp
);
9827 static void zebra_vxlan_sg_cleanup(struct hash_backet
*backet
, void *arg
)
9829 zebra_vxlan_sg_t
*vxlan_sg
= (zebra_vxlan_sg_t
*)backet
->data
;
9831 zebra_vxlan_sg_del(vxlan_sg
);
9834 static void zebra_vxlan_sg_replay_send(struct hash_backet
*backet
, void *arg
)
9836 zebra_vxlan_sg_t
*vxlan_sg
= (zebra_vxlan_sg_t
*)backet
->data
;
9838 zebra_vxlan_sg_send(vxlan_sg
->zvrf
, &vxlan_sg
->sg
,
9839 vxlan_sg
->sg_str
, ZEBRA_VXLAN_SG_ADD
);
9842 /* Handle message from client to replay vxlan SG entries */
9843 void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS
)
9845 if (IS_ZEBRA_DEBUG_VXLAN
)
9846 zlog_debug("VxLAN SG updates to PIM, start");
9848 SET_FLAG(zvrf
->flags
, ZEBRA_PIM_SEND_VXLAN_SG
);
9850 if (!EVPN_ENABLED(zvrf
)) {
9851 if (IS_ZEBRA_DEBUG_VXLAN
)
9852 zlog_debug("VxLAN SG replay request on unexpected vrf %d",
9857 hash_iterate(zvrf
->vxlan_sg_table
, zebra_vxlan_sg_replay_send
, NULL
);
9860 /************************** EVPN BGP config management ************************/
9861 /* Notify Local MACs to the clienti, skips GW MAC */
9862 static void zvni_send_mac_hash_entry_to_client(struct hash_bucket
*bucket
,
9865 struct mac_walk_ctx
*wctx
= arg
;
9866 zebra_mac_t
*zmac
= bucket
->data
;
9868 if (CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_DEF_GW
))
9871 if (CHECK_FLAG(zmac
->flags
, ZEBRA_MAC_LOCAL
))
9872 zvni_mac_send_add_to_client(wctx
->zvni
->vni
, &zmac
->macaddr
,
9873 zmac
->flags
, zmac
->loc_seq
);
9876 /* Iterator to Notify Local MACs of a L2VNI */
9877 static void zvni_send_mac_to_client(zebra_vni_t
*zvni
)
9879 struct mac_walk_ctx wctx
;
9881 if (!zvni
->mac_table
)
9884 memset(&wctx
, 0, sizeof(struct mac_walk_ctx
));
9887 hash_iterate(zvni
->mac_table
, zvni_send_mac_hash_entry_to_client
,
9891 /* Notify Neighbor entries to the Client, skips the GW entry */
9892 static void zvni_send_neigh_hash_entry_to_client(struct hash_bucket
*bucket
,
9895 struct mac_walk_ctx
*wctx
= arg
;
9896 zebra_neigh_t
*zn
= bucket
->data
;
9897 zebra_mac_t
*zmac
= NULL
;
9899 if (CHECK_FLAG(zn
->flags
, ZEBRA_NEIGH_DEF_GW
))
9902 if (CHECK_FLAG(zn
->flags
, ZEBRA_NEIGH_LOCAL
) &&
9903 IS_ZEBRA_NEIGH_ACTIVE(zn
)) {
9904 zmac
= zvni_mac_lookup(wctx
->zvni
, &zn
->emac
);
9908 zvni_neigh_send_add_to_client(wctx
->zvni
->vni
, &zn
->ip
,
9909 &zn
->emac
, zn
->flags
,
9914 /* Iterator of a specific L2VNI */
9915 static void zvni_send_neigh_to_client(zebra_vni_t
*zvni
)
9917 struct neigh_walk_ctx wctx
;
9919 memset(&wctx
, 0, sizeof(struct neigh_walk_ctx
));
9922 hash_iterate(zvni
->neigh_table
, zvni_send_neigh_hash_entry_to_client
,
9926 static void zvni_evpn_cfg_cleanup(struct hash_bucket
*bucket
, void *ctxt
)
9928 zebra_vni_t
*zvni
= NULL
;
9930 zvni
= (zebra_vni_t
*)bucket
->data
;
9931 zvni
->advertise_gw_macip
= 0;
9932 zvni
->advertise_svi_macip
= 0;
9933 zvni
->advertise_subnet
= 0;
9935 zvni_neigh_del_all(zvni
, 1, 0,
9936 DEL_REMOTE_NEIGH
| DEL_REMOTE_NEIGH_FROM_VTEP
);
9937 zvni_mac_del_all(zvni
, 1, 0,
9938 DEL_REMOTE_MAC
| DEL_REMOTE_MAC_FROM_VTEP
);
9939 zvni_vtep_del_all(zvni
, 1);
9942 /* Cleanup EVPN configuration of a specific VRF */
9943 static void zebra_evpn_vrf_cfg_cleanup(struct zebra_vrf
*zvrf
)
9945 zebra_l3vni_t
*zl3vni
= NULL
;
9947 zvrf
->advertise_all_vni
= 0;
9948 zvrf
->advertise_gw_macip
= 0;
9949 zvrf
->advertise_svi_macip
= 0;
9950 zvrf
->vxlan_flood_ctrl
= VXLAN_FLOOD_HEAD_END_REPL
;
9952 hash_iterate(zvrf
->vni_table
, zvni_evpn_cfg_cleanup
, NULL
);
9955 zl3vni
= zl3vni_lookup(zvrf
->l3vni
);
9957 /* delete and uninstall all rmacs */
9958 hash_iterate(zl3vni
->rmac_table
, zl3vni_del_rmac_hash_entry
,
9960 /* delete and uninstall all next-hops */
9961 hash_iterate(zl3vni
->nh_table
, zl3vni_del_nh_hash_entry
,
9966 /* Cleanup BGP EVPN configuration upon client disconnect */
9967 static int zebra_evpn_bgp_cfg_clean_up(struct zserv
*client
)
9970 struct zebra_vrf
*zvrf
;
9972 RB_FOREACH (vrf
, vrf_id_head
, &vrfs_by_id
) {
9975 zebra_evpn_vrf_cfg_cleanup(zvrf
);
9981 static int zebra_evpn_pim_cfg_clean_up(struct zserv
*client
)
9983 struct zebra_vrf
*zvrf
= zebra_vrf_get_evpn();
9985 if (CHECK_FLAG(zvrf
->flags
, ZEBRA_PIM_SEND_VXLAN_SG
)) {
9986 if (IS_ZEBRA_DEBUG_VXLAN
)
9987 zlog_debug("VxLAN SG updates to PIM, stop");
9988 UNSET_FLAG(zvrf
->flags
, ZEBRA_PIM_SEND_VXLAN_SG
);
9994 static int zebra_evpn_cfg_clean_up(struct zserv
*client
)
9996 if (client
->proto
== ZEBRA_ROUTE_BGP
)
9997 return zebra_evpn_bgp_cfg_clean_up(client
);
9999 if (client
->proto
== ZEBRA_ROUTE_PIM
)
10000 return zebra_evpn_pim_cfg_clean_up(client
);
10006 * Handle results for vxlan dataplane operations.
10008 extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx
*ctx
)
10010 /* TODO -- anything other than freeing the context? */
10011 dplane_ctx_fini(&ctx
);
10014 /* Cleanup BGP EVPN configuration upon client disconnect */
10015 extern void zebra_evpn_init(void)
10017 hook_register(zserv_client_close
, zebra_evpn_cfg_clean_up
);