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24268cd0 PR |
1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
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 | |
10 | * later version. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "hash.h" | |
b2998086 | 26 | #include "interface.h" |
24268cd0 | 27 | #include "jhash.h" |
24268cd0 PR |
28 | #include "memory.h" |
29 | #include "prefix.h" | |
24268cd0 | 30 | #include "vlan.h" |
b2998086 | 31 | #include "json.h" |
bf902d4c | 32 | #include "printfrr.h" |
24268cd0 | 33 | |
b2998086 | 34 | #include "zebra/zserv.h" |
24268cd0 | 35 | #include "zebra/debug.h" |
b2998086 | 36 | #include "zebra/zebra_router.h" |
24268cd0 | 37 | #include "zebra/zebra_memory.h" |
b2998086 | 38 | #include "zebra/zebra_errors.h" |
24268cd0 | 39 | #include "zebra/zebra_vrf.h" |
b2998086 | 40 | #include "zebra/zebra_evpn.h" |
24268cd0 | 41 | #include "zebra/zebra_evpn_mh.h" |
b2998086 PR |
42 | #include "zebra/zebra_evpn_mac.h" |
43 | #include "zebra/zebra_evpn_neigh.h" | |
24268cd0 | 44 | |
24268cd0 | 45 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "EVPN MAC"); |
24268cd0 PR |
46 | |
47 | /* | |
48 | * Return number of valid MACs in an EVPN's MAC hash table - all | |
49 | * remote MACs and non-internal (auto) local MACs count. | |
50 | */ | |
b2998086 | 51 | uint32_t num_valid_macs(zebra_evpn_t *zevpn) |
24268cd0 PR |
52 | { |
53 | unsigned int i; | |
54 | uint32_t num_macs = 0; | |
55 | struct hash *hash; | |
56 | struct hash_bucket *hb; | |
57 | zebra_mac_t *mac; | |
58 | ||
59 | hash = zevpn->mac_table; | |
60 | if (!hash) | |
61 | return num_macs; | |
62 | for (i = 0; i < hash->size; i++) { | |
63 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
64 | mac = (zebra_mac_t *)hb->data; | |
65 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
66 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
67 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
68 | num_macs++; | |
69 | } | |
70 | } | |
71 | ||
72 | return num_macs; | |
73 | } | |
74 | ||
b2998086 | 75 | uint32_t num_dup_detected_macs(zebra_evpn_t *zevpn) |
24268cd0 PR |
76 | { |
77 | unsigned int i; | |
78 | uint32_t num_macs = 0; | |
79 | struct hash *hash; | |
80 | struct hash_bucket *hb; | |
81 | zebra_mac_t *mac; | |
82 | ||
83 | hash = zevpn->mac_table; | |
84 | if (!hash) | |
85 | return num_macs; | |
86 | for (i = 0; i < hash->size; i++) { | |
87 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
88 | mac = (zebra_mac_t *)hb->data; | |
89 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
90 | num_macs++; | |
91 | } | |
92 | } | |
93 | ||
94 | return num_macs; | |
95 | } | |
96 | ||
b2998086 PR |
97 | /* |
98 | * Install remote MAC into the forwarding plane. | |
99 | */ | |
100 | int zebra_evpn_rem_mac_install(zebra_evpn_t *zevpn, zebra_mac_t *mac, | |
101 | bool was_static) | |
24268cd0 | 102 | { |
b2998086 PR |
103 | const struct zebra_if *zif, *br_zif; |
104 | const struct zebra_l2info_vxlan *vxl; | |
105 | bool sticky; | |
106 | enum zebra_dplane_result res; | |
107 | const struct interface *br_ifp; | |
108 | vlanid_t vid; | |
109 | uint32_t nhg_id; | |
110 | struct in_addr vtep_ip; | |
24268cd0 | 111 | |
b2998086 PR |
112 | zif = zevpn->vxlan_if->info; |
113 | if (!zif) | |
114 | return -1; | |
115 | ||
116 | br_ifp = zif->brslave_info.br_if; | |
117 | if (br_ifp == NULL) | |
118 | return -1; | |
119 | ||
120 | vxl = &zif->l2info.vxl; | |
121 | ||
122 | sticky = !!CHECK_FLAG(mac->flags, | |
123 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
124 | ||
125 | /* If nexthop group for the FDB entry is inactive (not programmed in | |
126 | * the dataplane) the MAC entry cannot be installed | |
127 | */ | |
128 | if (mac->es) { | |
129 | if (!(mac->es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
130 | return -1; | |
131 | nhg_id = mac->es->nhg_id; | |
132 | vtep_ip.s_addr = 0; | |
133 | } else { | |
134 | nhg_id = 0; | |
135 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
24268cd0 PR |
136 | } |
137 | ||
b2998086 PR |
138 | br_zif = (const struct zebra_if *)(br_ifp->info); |
139 | ||
140 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
141 | vid = vxl->access_vlan; | |
142 | else | |
143 | vid = 0; | |
144 | ||
145 | res = dplane_rem_mac_add(zevpn->vxlan_if, br_ifp, vid, &mac->macaddr, | |
146 | vtep_ip, sticky, nhg_id, was_static); | |
147 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
148 | return 0; | |
149 | else | |
150 | return -1; | |
24268cd0 PR |
151 | } |
152 | ||
b2998086 PR |
153 | /* |
154 | * Uninstall remote MAC from the forwarding plane. | |
155 | */ | |
f3722826 AK |
156 | int zebra_evpn_rem_mac_uninstall(zebra_evpn_t *zevpn, zebra_mac_t *mac, |
157 | bool force) | |
24268cd0 | 158 | { |
b2998086 PR |
159 | const struct zebra_if *zif, *br_zif; |
160 | const struct zebra_l2info_vxlan *vxl; | |
161 | struct in_addr vtep_ip; | |
162 | const struct interface *ifp, *br_ifp; | |
163 | vlanid_t vid; | |
164 | enum zebra_dplane_result res; | |
24268cd0 | 165 | |
f3722826 AK |
166 | /* If the MAC was not installed there is no need to uninstall it */ |
167 | if (!force && mac->es && !(mac->es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
168 | return -1; | |
169 | ||
b2998086 PR |
170 | if (!zevpn->vxlan_if) { |
171 | if (IS_ZEBRA_DEBUG_VXLAN) | |
172 | zlog_debug( | |
173 | "VNI %u hash %p couldn't be uninstalled - no intf", | |
174 | zevpn->vni, zevpn); | |
175 | return -1; | |
176 | } | |
24268cd0 | 177 | |
b2998086 PR |
178 | zif = zevpn->vxlan_if->info; |
179 | if (!zif) | |
180 | return -1; | |
24268cd0 | 181 | |
b2998086 PR |
182 | br_ifp = zif->brslave_info.br_if; |
183 | if (br_ifp == NULL) | |
184 | return -1; | |
24268cd0 | 185 | |
b2998086 | 186 | vxl = &zif->l2info.vxl; |
24268cd0 | 187 | |
b2998086 | 188 | br_zif = (const struct zebra_if *)br_ifp->info; |
24268cd0 | 189 | |
b2998086 PR |
190 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) |
191 | vid = vxl->access_vlan; | |
192 | else | |
193 | vid = 0; | |
24268cd0 | 194 | |
b2998086 PR |
195 | ifp = zevpn->vxlan_if; |
196 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
197 | ||
198 | res = dplane_rem_mac_del(ifp, br_ifp, vid, &mac->macaddr, vtep_ip); | |
199 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
200 | return 0; | |
201 | else | |
202 | return -1; | |
24268cd0 PR |
203 | } |
204 | ||
b2998086 PR |
205 | /* |
206 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
207 | * appropriate. | |
24268cd0 | 208 | */ |
b2998086 | 209 | void zebra_evpn_deref_ip2mac(zebra_evpn_t *zevpn, zebra_mac_t *mac) |
24268cd0 | 210 | { |
b2998086 PR |
211 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
212 | return; | |
24268cd0 | 213 | |
b2998086 PR |
214 | /* If all remote neighbors referencing a remote MAC go away, |
215 | * we need to uninstall the MAC. | |
24268cd0 | 216 | */ |
b2998086 PR |
217 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
218 | && remote_neigh_count(mac) == 0) { | |
f3722826 | 219 | zebra_evpn_rem_mac_uninstall(zevpn, mac, false /*force*/); |
b2998086 PR |
220 | zebra_evpn_es_mac_deref_entry(mac); |
221 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
222 | } | |
223 | ||
224 | /* If no neighbors, delete the MAC. */ | |
225 | if (list_isempty(mac->neigh_list)) | |
226 | zebra_evpn_mac_del(zevpn, mac); | |
227 | } | |
228 | ||
d9d3455e PR |
229 | static void zebra_evpn_mac_get_access_info(zebra_mac_t *mac, |
230 | struct interface **ifpP, | |
231 | vlanid_t *vid) | |
b2998086 PR |
232 | { |
233 | /* if the mac is associated with an ES we must get the access | |
234 | * info from the ES | |
24268cd0 | 235 | */ |
b2998086 PR |
236 | if (mac->es) { |
237 | struct zebra_if *zif; | |
238 | ||
239 | /* get the access port from the es */ | |
240 | *ifpP = mac->es->zif ? mac->es->zif->ifp : NULL; | |
241 | /* get the vlan from the EVPN */ | |
242 | if (mac->zevpn->vxlan_if) { | |
243 | zif = mac->zevpn->vxlan_if->info; | |
244 | *vid = zif->l2info.vxl.access_vlan; | |
245 | } else { | |
246 | *vid = 0; | |
247 | } | |
248 | } else { | |
249 | struct zebra_ns *zns; | |
250 | ||
251 | *vid = mac->fwd_info.local.vid; | |
47c58929 | 252 | zns = zebra_ns_lookup(mac->fwd_info.local.ns_id); |
b2998086 PR |
253 | *ifpP = if_lookup_by_index_per_ns(zns, |
254 | mac->fwd_info.local.ifindex); | |
255 | } | |
256 | } | |
257 | ||
b16e8004 DS |
258 | #define MAC_BUF_SIZE 256 |
259 | static char *zebra_evpn_zebra_mac_flag_dump(struct zebra_mac_t_ *mac, char *buf, | |
260 | size_t len) | |
261 | { | |
262 | if (mac->flags == 0) { | |
263 | snprintfrr(buf, len, "None "); | |
264 | return buf; | |
265 | } | |
266 | ||
267 | snprintfrr( | |
268 | buf, len, "%s%s%s%s%s%s%s%s%s%s%s%s", | |
269 | CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) ? "LOC " : "", | |
270 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) ? "REM " : "", | |
271 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) ? "AUTO " : "", | |
272 | CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? "STICKY " : "", | |
273 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_RMAC) ? "REM Router " | |
274 | : "", | |
275 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) ? "Default GW " : "", | |
276 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) ? "REM DEF GW " | |
277 | : "", | |
278 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) ? "DUP " : "", | |
279 | CHECK_FLAG(mac->flags, ZEBRA_MAC_FPM_SENT) ? "FPM " : "", | |
280 | CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE) ? "LOC Active " | |
281 | : "", | |
282 | CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_PROXY) ? "PROXY " : "", | |
283 | CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE) | |
284 | ? "LOC Inactive " | |
285 | : ""); | |
286 | return buf; | |
287 | } | |
288 | ||
b2998086 PR |
289 | static int zebra_evpn_dad_mac_auto_recovery_exp(struct thread *t) |
290 | { | |
291 | struct zebra_vrf *zvrf = NULL; | |
292 | zebra_mac_t *mac = NULL; | |
293 | zebra_evpn_t *zevpn = NULL; | |
294 | struct listnode *node = NULL; | |
295 | zebra_neigh_t *nbr = NULL; | |
296 | char buf[ETHER_ADDR_STRLEN]; | |
297 | ||
298 | mac = THREAD_ARG(t); | |
299 | ||
300 | /* since this is asynchronous we need sanity checks*/ | |
301 | zvrf = vrf_info_lookup(mac->zevpn->vrf_id); | |
302 | if (!zvrf) | |
303 | return 0; | |
304 | ||
8b5fdf2e | 305 | zevpn = zebra_evpn_lookup(mac->zevpn->vni); |
b2998086 PR |
306 | if (!zevpn) |
307 | return 0; | |
308 | ||
309 | mac = zebra_evpn_mac_lookup(zevpn, &mac->macaddr); | |
310 | if (!mac) | |
311 | return 0; | |
312 | ||
b16e8004 DS |
313 | if (IS_ZEBRA_DEBUG_VXLAN) { |
314 | char mac_buf[MAC_BUF_SIZE]; | |
315 | ||
b2998086 | 316 | zlog_debug( |
b16e8004 | 317 | "%s: duplicate addr mac %s flags %slearn count %u host count %u auto recovery expired", |
b2998086 PR |
318 | __func__, |
319 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
b16e8004 DS |
320 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
321 | sizeof(mac_buf)), | |
322 | mac->dad_count, listcount(mac->neigh_list)); | |
323 | } | |
b2998086 PR |
324 | |
325 | /* Remove all IPs as duplicate associcated with this MAC */ | |
326 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
327 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
328 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
329 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
330 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
331 | zebra_evpn_rem_neigh_install( | |
332 | zevpn, nbr, false /*was_static*/); | |
333 | } | |
24268cd0 | 334 | |
24268cd0 PR |
335 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); |
336 | nbr->dad_count = 0; | |
337 | nbr->detect_start_time.tv_sec = 0; | |
b2998086 PR |
338 | nbr->dad_dup_detect_time = 0; |
339 | } | |
340 | ||
341 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
342 | mac->dad_count = 0; | |
343 | mac->detect_start_time.tv_sec = 0; | |
344 | mac->detect_start_time.tv_usec = 0; | |
345 | mac->dad_dup_detect_time = 0; | |
346 | mac->dad_mac_auto_recovery_timer = NULL; | |
347 | ||
348 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
349 | /* Inform to BGP */ | |
350 | if (zebra_evpn_mac_send_add_to_client(zevpn->vni, &mac->macaddr, | |
351 | mac->flags, mac->loc_seq, | |
352 | mac->es)) | |
353 | return -1; | |
354 | ||
355 | /* Process all neighbors associated with this MAC. */ | |
356 | zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0, | |
357 | 0 /*es_change*/); | |
358 | ||
359 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
360 | zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac); | |
361 | ||
362 | /* Install the entry. */ | |
363 | zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */); | |
24268cd0 | 364 | } |
b2998086 | 365 | |
24268cd0 PR |
366 | return 0; |
367 | } | |
368 | ||
d9d3455e PR |
369 | static void zebra_evpn_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
370 | zebra_mac_t *mac, | |
371 | struct in_addr vtep_ip, | |
372 | bool do_dad, bool *is_dup_detect, | |
373 | bool is_local) | |
24268cd0 PR |
374 | { |
375 | zebra_neigh_t *nbr; | |
376 | struct listnode *node = NULL; | |
377 | struct timeval elapsed = {0, 0}; | |
378 | char buf[ETHER_ADDR_STRLEN]; | |
379 | char buf1[INET6_ADDRSTRLEN]; | |
380 | bool reset_params = false; | |
381 | ||
b2ee2b71 | 382 | if (!(zebra_evpn_do_dup_addr_detect(zvrf) && do_dad)) |
24268cd0 PR |
383 | return; |
384 | ||
385 | /* MAC is detected as duplicate, | |
386 | * Local MAC event -> hold on advertising to BGP. | |
387 | * Remote MAC event -> hold on installing it. | |
388 | */ | |
389 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
b16e8004 DS |
390 | if (IS_ZEBRA_DEBUG_VXLAN) { |
391 | char mac_buf[MAC_BUF_SIZE]; | |
392 | ||
24268cd0 | 393 | zlog_debug( |
b16e8004 | 394 | "%s: duplicate addr MAC %s flags %sskip update to client, learn count %u recover time %u", |
24268cd0 PR |
395 | __func__, |
396 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
b16e8004 DS |
397 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
398 | sizeof(mac_buf)), | |
399 | mac->dad_count, zvrf->dad_freeze_time); | |
400 | } | |
24268cd0 PR |
401 | /* For duplicate MAC do not update |
402 | * client but update neigh due to | |
403 | * this MAC update. | |
404 | */ | |
405 | if (zvrf->dad_freeze) | |
406 | *is_dup_detect = true; | |
407 | ||
408 | return; | |
409 | } | |
410 | ||
411 | /* Check if detection time (M-secs) expired. | |
412 | * Reset learn count and detection start time. | |
413 | */ | |
414 | monotime_since(&mac->detect_start_time, &elapsed); | |
415 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
416 | if (is_local && !reset_params) { | |
417 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
418 | * event via LOCAL learning starts an M-second timer. | |
419 | * | |
420 | * NOTE: This is the START of the probe with count is | |
421 | * 0 during LOCAL learn event. | |
422 | * (mac->dad_count == 0 || elapsed.tv_sec >= zvrf->dad_time) | |
423 | */ | |
424 | reset_params = !mac->dad_count; | |
425 | } | |
426 | ||
427 | if (reset_params) { | |
b16e8004 DS |
428 | if (IS_ZEBRA_DEBUG_VXLAN) { |
429 | char mac_buf[MAC_BUF_SIZE]; | |
430 | ||
24268cd0 | 431 | zlog_debug( |
b16e8004 | 432 | "%s: duplicate addr MAC %s flags %sdetection time passed, reset learn count %u", |
24268cd0 PR |
433 | __func__, |
434 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
b16e8004 DS |
435 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
436 | sizeof(mac_buf)), | |
437 | mac->dad_count); | |
438 | } | |
24268cd0 PR |
439 | |
440 | mac->dad_count = 0; | |
441 | /* Start dup. addr detection (DAD) start time, | |
442 | * ONLY during LOCAL learn. | |
443 | */ | |
444 | if (is_local) | |
445 | monotime(&mac->detect_start_time); | |
446 | ||
447 | } else if (!is_local) { | |
448 | /* For REMOTE MAC, increment detection count | |
449 | * ONLY while in probe window, once window passed, | |
450 | * next local learn event should trigger DAD. | |
451 | */ | |
452 | mac->dad_count++; | |
453 | } | |
454 | ||
455 | /* For LOCAL MAC learn event, once count is reset above via either | |
456 | * initial/start detection time or passed the probe time, the count | |
457 | * needs to be incremented. | |
458 | */ | |
459 | if (is_local) | |
460 | mac->dad_count++; | |
461 | ||
462 | if (mac->dad_count >= zvrf->dad_max_moves) { | |
463 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
9bcef951 | 464 | "VNI %u: MAC %s detected as duplicate during %s VTEP %pI4", |
24268cd0 PR |
465 | mac->zevpn->vni, |
466 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
467 | is_local ? "local update, last" : | |
9bcef951 | 468 | "remote update, from", &vtep_ip); |
24268cd0 PR |
469 | |
470 | SET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
471 | ||
472 | /* Capture Duplicate detection time */ | |
473 | mac->dad_dup_detect_time = monotime(NULL); | |
474 | ||
475 | /* Mark all IPs/Neighs as duplicate | |
476 | * associcated with this MAC | |
477 | */ | |
478 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
479 | ||
480 | /* Ony Mark IPs which are Local */ | |
481 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
482 | continue; | |
483 | ||
484 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
485 | ||
486 | nbr->dad_dup_detect_time = monotime(NULL); | |
487 | ||
488 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
489 | "VNI %u: MAC %s IP %s detected as duplicate during %s update, inherit duplicate from MAC", | |
490 | mac->zevpn->vni, | |
491 | prefix_mac2str(&mac->macaddr, | |
492 | buf, sizeof(buf)), | |
493 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
494 | is_local ? "local" : "remote"); | |
495 | } | |
496 | ||
497 | /* Start auto recovery timer for this MAC */ | |
498 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
499 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
b16e8004 DS |
500 | if (IS_ZEBRA_DEBUG_VXLAN) { |
501 | char mac_buf[MAC_BUF_SIZE]; | |
502 | ||
24268cd0 | 503 | zlog_debug( |
b16e8004 | 504 | "%s: duplicate addr MAC %s flags %sauto recovery time %u start", |
24268cd0 PR |
505 | __func__, |
506 | prefix_mac2str(&mac->macaddr, buf, | |
507 | sizeof(buf)), | |
b16e8004 DS |
508 | zebra_evpn_zebra_mac_flag_dump( |
509 | mac, mac_buf, sizeof(mac_buf)), | |
510 | zvrf->dad_freeze_time); | |
511 | } | |
24268cd0 PR |
512 | |
513 | thread_add_timer(zrouter.master, | |
b2998086 | 514 | zebra_evpn_dad_mac_auto_recovery_exp, |
24268cd0 PR |
515 | mac, zvrf->dad_freeze_time, |
516 | &mac->dad_mac_auto_recovery_timer); | |
517 | } | |
518 | ||
519 | /* In case of local update, do not inform to client (BGPd), | |
520 | * upd_neigh for neigh sequence change. | |
521 | */ | |
522 | if (zvrf->dad_freeze) | |
523 | *is_dup_detect = true; | |
524 | } | |
525 | } | |
526 | ||
b2998086 PR |
527 | /* |
528 | * Print a specific MAC entry. | |
529 | */ | |
530 | void zebra_evpn_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) | |
24268cd0 | 531 | { |
b2998086 PR |
532 | struct vty *vty; |
533 | zebra_neigh_t *n = NULL; | |
534 | struct listnode *node = NULL; | |
535 | char buf1[ETHER_ADDR_STRLEN]; | |
536 | char buf2[INET6_ADDRSTRLEN]; | |
9bcef951 | 537 | char addr_buf[PREFIX_STRLEN]; |
b2998086 PR |
538 | struct zebra_vrf *zvrf; |
539 | struct timeval detect_start_time = {0, 0}; | |
540 | char timebuf[MONOTIME_STRLEN]; | |
541 | char thread_buf[THREAD_TIMER_STRLEN]; | |
f1dbb1c7 DS |
542 | time_t uptime; |
543 | char up_str[MONOTIME_STRLEN]; | |
24268cd0 | 544 | |
b2998086 PR |
545 | zvrf = zebra_vrf_get_evpn(); |
546 | if (!zvrf) | |
24268cd0 PR |
547 | return; |
548 | ||
b2998086 PR |
549 | vty = (struct vty *)ctxt; |
550 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
24268cd0 | 551 | |
f1dbb1c7 DS |
552 | uptime = monotime(NULL); |
553 | uptime -= mac->uptime; | |
554 | ||
555 | frrtime_to_interval(uptime, up_str, sizeof(up_str)); | |
556 | ||
b2998086 PR |
557 | if (json) { |
558 | json_object *json_mac = json_object_new_object(); | |
24268cd0 | 559 | |
b2998086 PR |
560 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
561 | struct interface *ifp; | |
562 | vlanid_t vid; | |
24268cd0 | 563 | |
b2998086 PR |
564 | zebra_evpn_mac_get_access_info(mac, &ifp, &vid); |
565 | json_object_string_add(json_mac, "type", "local"); | |
566 | if (ifp) { | |
567 | json_object_string_add(json_mac, "intf", | |
568 | ifp->name); | |
569 | json_object_int_add(json_mac, "ifindex", | |
570 | ifp->ifindex); | |
571 | } | |
572 | if (vid) | |
573 | json_object_int_add(json_mac, "vlan", vid); | |
574 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
575 | json_object_string_add(json_mac, "type", "remote"); | |
576 | json_object_string_add( | |
577 | json_mac, "remoteVtep", | |
9bcef951 MS |
578 | inet_ntop(AF_INET, &mac->fwd_info.r_vtep_ip, |
579 | addr_buf, sizeof(addr_buf))); | |
b2998086 PR |
580 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
581 | json_object_string_add(json_mac, "type", "auto"); | |
24268cd0 | 582 | |
b2998086 PR |
583 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
584 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
24268cd0 | 585 | |
b2998086 PR |
586 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
587 | json_object_boolean_true_add(json_mac, | |
588 | "defaultGateway"); | |
24268cd0 | 589 | |
b2998086 PR |
590 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
591 | json_object_boolean_true_add(json_mac, | |
592 | "remoteGatewayMac"); | |
24268cd0 | 593 | |
f1dbb1c7 | 594 | json_object_string_add(json_mac, "uptime", up_str); |
b2998086 PR |
595 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
596 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
24268cd0 | 597 | |
b2998086 PR |
598 | json_object_int_add(json_mac, "detectionCount", mac->dad_count); |
599 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
600 | json_object_boolean_true_add(json_mac, "isDuplicate"); | |
601 | else | |
602 | json_object_boolean_false_add(json_mac, "isDuplicate"); | |
24268cd0 | 603 | |
b2998086 PR |
604 | json_object_int_add(json_mac, "syncNeighCount", |
605 | mac->sync_neigh_cnt); | |
606 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE)) | |
607 | json_object_boolean_true_add(json_mac, "localInactive"); | |
608 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_PROXY)) | |
609 | json_object_boolean_true_add(json_mac, "peerProxy"); | |
610 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE)) | |
611 | json_object_boolean_true_add(json_mac, "peerActive"); | |
612 | if (mac->hold_timer) | |
613 | json_object_string_add( | |
614 | json_mac, "peerActiveHold", | |
615 | thread_timer_to_hhmmss(thread_buf, | |
616 | sizeof(thread_buf), | |
617 | mac->hold_timer)); | |
618 | if (mac->es) | |
619 | json_object_string_add(json_mac, "esi", | |
620 | mac->es->esi_str); | |
621 | /* print all the associated neigh */ | |
622 | if (!listcount(mac->neigh_list)) | |
623 | json_object_string_add(json_mac, "neighbors", "none"); | |
624 | else { | |
625 | json_object *json_active_nbrs = json_object_new_array(); | |
626 | json_object *json_inactive_nbrs = | |
627 | json_object_new_array(); | |
628 | json_object *json_nbrs = json_object_new_object(); | |
24268cd0 | 629 | |
b2998086 PR |
630 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { |
631 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
632 | json_object_array_add( | |
633 | json_active_nbrs, | |
634 | json_object_new_string( | |
635 | ipaddr2str( | |
636 | &n->ip, buf2, | |
637 | sizeof(buf2)))); | |
638 | else | |
639 | json_object_array_add( | |
640 | json_inactive_nbrs, | |
641 | json_object_new_string( | |
642 | ipaddr2str( | |
643 | &n->ip, buf2, | |
644 | sizeof(buf2)))); | |
645 | } | |
24268cd0 | 646 | |
b2998086 PR |
647 | json_object_object_add(json_nbrs, "active", |
648 | json_active_nbrs); | |
649 | json_object_object_add(json_nbrs, "inactive", | |
650 | json_inactive_nbrs); | |
651 | json_object_object_add(json_mac, "neighbors", | |
652 | json_nbrs); | |
24268cd0 | 653 | } |
24268cd0 | 654 | |
b2998086 PR |
655 | json_object_object_add(json, buf1, json_mac); |
656 | } else { | |
657 | vty_out(vty, "MAC: %s\n", buf1); | |
24268cd0 | 658 | |
b2998086 PR |
659 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
660 | struct interface *ifp; | |
661 | vlanid_t vid; | |
24268cd0 | 662 | |
b2998086 | 663 | zebra_evpn_mac_get_access_info(mac, &ifp, &vid); |
24268cd0 | 664 | |
b2998086 PR |
665 | if (mac->es) |
666 | vty_out(vty, " ESI: %s\n", mac->es->esi_str); | |
24268cd0 | 667 | |
b2998086 PR |
668 | if (ifp) |
669 | vty_out(vty, " Intf: %s(%u)", ifp->name, | |
670 | ifp->ifindex); | |
671 | else | |
672 | vty_out(vty, " Intf: -"); | |
673 | vty_out(vty, " VLAN: %u", vid); | |
674 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
675 | if (mac->es) | |
676 | vty_out(vty, " Remote ES: %s", | |
677 | mac->es->esi_str); | |
678 | else | |
9bcef951 MS |
679 | vty_out(vty, " Remote VTEP: %pI4", |
680 | &mac->fwd_info.r_vtep_ip); | |
b2998086 PR |
681 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
682 | vty_out(vty, " Auto Mac "); | |
683 | } | |
24268cd0 | 684 | |
b2998086 PR |
685 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
686 | vty_out(vty, " Sticky Mac "); | |
24268cd0 | 687 | |
b2998086 PR |
688 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
689 | vty_out(vty, " Default-gateway Mac "); | |
690 | ||
691 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
692 | vty_out(vty, " Remote-gateway Mac "); | |
693 | ||
694 | vty_out(vty, "\n"); | |
695 | vty_out(vty, " Sync-info: neigh#: %u", mac->sync_neigh_cnt); | |
696 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE)) | |
24268cd0 | 697 | vty_out(vty, " local-inactive"); |
b2998086 | 698 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_PROXY)) |
24268cd0 | 699 | vty_out(vty, " peer-proxy"); |
b2998086 | 700 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE)) |
24268cd0 | 701 | vty_out(vty, " peer-active"); |
b2998086 | 702 | if (mac->hold_timer) |
24268cd0 | 703 | vty_out(vty, " (ht: %s)", |
b2998086 PR |
704 | thread_timer_to_hhmmss(thread_buf, |
705 | sizeof(thread_buf), | |
706 | mac->hold_timer)); | |
707 | vty_out(vty, "\n"); | |
f1dbb1c7 | 708 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", mac->loc_seq, |
b2998086 | 709 | mac->rem_seq); |
f1dbb1c7 | 710 | vty_out(vty, " Uptime: %s\n", up_str); |
24268cd0 | 711 | |
b2998086 | 712 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { |
24268cd0 | 713 | vty_out(vty, " Duplicate, detected at %s", |
b2998086 | 714 | time_to_string(mac->dad_dup_detect_time, |
24268cd0 | 715 | timebuf)); |
b2998086 PR |
716 | } else if (mac->dad_count) { |
717 | monotime_since(&mac->detect_start_time, | |
24268cd0 PR |
718 | &detect_start_time); |
719 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
b2998086 | 720 | time_to_string(mac->detect_start_time.tv_sec, |
24268cd0 PR |
721 | timebuf); |
722 | vty_out(vty, | |
723 | " Duplicate detection started at %s, detection count %u\n", | |
b2998086 | 724 | timebuf, mac->dad_count); |
24268cd0 PR |
725 | } |
726 | } | |
24268cd0 | 727 | |
b2998086 PR |
728 | /* print all the associated neigh */ |
729 | vty_out(vty, " Neighbors:\n"); | |
730 | if (!listcount(mac->neigh_list)) | |
731 | vty_out(vty, " No Neighbors\n"); | |
732 | else { | |
733 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
734 | vty_out(vty, " %s %s\n", | |
735 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
736 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
737 | ? "Active" | |
738 | : "Inactive")); | |
739 | } | |
740 | } | |
24268cd0 | 741 | |
b2998086 | 742 | vty_out(vty, "\n"); |
24268cd0 PR |
743 | } |
744 | } | |
745 | ||
b2998086 | 746 | static char *zebra_evpn_print_mac_flags(zebra_mac_t *mac, char *flags_buf, |
700cae76 | 747 | size_t flags_buf_sz) |
24268cd0 | 748 | { |
b2998086 PR |
749 | snprintf(flags_buf, flags_buf_sz, "%s%s%s%s", |
750 | mac->sync_neigh_cnt ? | |
751 | "N" : "", | |
752 | (mac->flags & ZEBRA_MAC_ES_PEER_ACTIVE) ? | |
24268cd0 | 753 | "P" : "", |
b2998086 | 754 | (mac->flags & ZEBRA_MAC_ES_PEER_PROXY) ? |
24268cd0 | 755 | "X" : "", |
b2998086 | 756 | (mac->flags & ZEBRA_MAC_LOCAL_INACTIVE) ? |
24268cd0 PR |
757 | "I" : ""); |
758 | ||
759 | return flags_buf; | |
760 | } | |
761 | ||
762 | /* | |
b2998086 | 763 | * Print MAC hash entry - called for display of all MACs. |
24268cd0 | 764 | */ |
b2998086 | 765 | void zebra_evpn_print_mac_hash(struct hash_bucket *bucket, void *ctxt) |
24268cd0 PR |
766 | { |
767 | struct vty *vty; | |
b2998086 PR |
768 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
769 | zebra_mac_t *mac; | |
24268cd0 | 770 | char buf1[ETHER_ADDR_STRLEN]; |
9bcef951 | 771 | char addr_buf[PREFIX_STRLEN]; |
b2998086 | 772 | struct mac_walk_ctx *wctx = ctxt; |
24268cd0 PR |
773 | char flags_buf[6]; |
774 | ||
775 | vty = wctx->vty; | |
b2998086 PR |
776 | json_mac_hdr = wctx->json; |
777 | mac = (zebra_mac_t *)bucket->data; | |
778 | ||
779 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
780 | ||
781 | if (json_mac_hdr) | |
782 | json_mac = json_object_new_object(); | |
24268cd0 | 783 | |
b2998086 PR |
784 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
785 | struct interface *ifp; | |
786 | vlanid_t vid; | |
24268cd0 | 787 | |
b2998086 | 788 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
24268cd0 PR |
789 | return; |
790 | ||
b2998086 PR |
791 | zebra_evpn_mac_get_access_info(mac, &ifp, &vid); |
792 | if (json_mac_hdr == NULL) { | |
793 | vty_out(vty, "%-17s %-6s %-5s %-30s", buf1, "local", | |
794 | zebra_evpn_print_mac_flags(mac, flags_buf, | |
795 | sizeof(flags_buf)), | |
796 | ifp ? ifp->name : "-"); | |
797 | } else { | |
798 | json_object_string_add(json_mac, "type", "local"); | |
799 | if (ifp) | |
800 | json_object_string_add(json_mac, "intf", | |
801 | ifp->name); | |
802 | } | |
803 | if (vid) { | |
804 | if (json_mac_hdr == NULL) | |
805 | vty_out(vty, " %-5u", vid); | |
806 | else | |
807 | json_object_int_add(json_mac, "vlan", vid); | |
808 | } else /* No vid? fill out the space */ | |
809 | if (json_mac_hdr == NULL) | |
810 | vty_out(vty, " %-5s", ""); | |
811 | if (json_mac_hdr == NULL) { | |
812 | vty_out(vty, " %u/%u", mac->loc_seq, mac->rem_seq); | |
813 | vty_out(vty, "\n"); | |
24268cd0 | 814 | } else { |
b2998086 PR |
815 | json_object_int_add(json_mac, "localSequence", |
816 | mac->loc_seq); | |
817 | json_object_int_add(json_mac, "remoteSequence", | |
818 | mac->rem_seq); | |
819 | json_object_int_add(json_mac, "detectionCount", | |
820 | mac->dad_count); | |
821 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
822 | json_object_boolean_true_add(json_mac, | |
24268cd0 PR |
823 | "isDuplicate"); |
824 | else | |
b2998086 | 825 | json_object_boolean_false_add(json_mac, |
24268cd0 | 826 | "isDuplicate"); |
b2998086 | 827 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
24268cd0 | 828 | } |
b2998086 | 829 | |
24268cd0 | 830 | wctx->count++; |
b2998086 PR |
831 | |
832 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
833 | ||
834 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) | |
835 | && !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
836 | &wctx->r_vtep_ip)) | |
24268cd0 PR |
837 | return; |
838 | ||
b2998086 PR |
839 | if (json_mac_hdr == NULL) { |
840 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) | |
841 | && (wctx->count == 0)) { | |
842 | vty_out(vty, "\nVNI %u\n\n", wctx->zevpn->vni); | |
843 | vty_out(vty, "%-17s %-6s %-5s%-30s %-5s %s\n", | |
844 | "MAC", "Type", "Flags", | |
845 | "Intf/Remote ES/VTEP", "VLAN", | |
846 | "Seq #'s"); | |
24268cd0 | 847 | } |
9bcef951 MS |
848 | if (mac->es == NULL) |
849 | inet_ntop(AF_INET, &mac->fwd_info.r_vtep_ip, | |
850 | addr_buf, sizeof(addr_buf)); | |
851 | ||
b2998086 PR |
852 | vty_out(vty, "%-17s %-6s %-5s %-30s %-5s %u/%u\n", buf1, |
853 | "remote", | |
854 | zebra_evpn_print_mac_flags(mac, flags_buf, | |
9bcef951 MS |
855 | sizeof(flags_buf)), |
856 | mac->es ? mac->es->esi_str : addr_buf, | |
b2998086 PR |
857 | "", mac->loc_seq, mac->rem_seq); |
858 | } else { | |
859 | json_object_string_add(json_mac, "type", "remote"); | |
860 | json_object_string_add( | |
861 | json_mac, "remoteVtep", | |
9bcef951 MS |
862 | inet_ntop(AF_INET, &mac->fwd_info.r_vtep_ip, |
863 | addr_buf, sizeof(addr_buf))); | |
b2998086 PR |
864 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
865 | json_object_int_add(json_mac, "localSequence", | |
866 | mac->loc_seq); | |
867 | json_object_int_add(json_mac, "remoteSequence", | |
868 | mac->rem_seq); | |
869 | json_object_int_add(json_mac, "detectionCount", | |
870 | mac->dad_count); | |
871 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
872 | json_object_boolean_true_add(json_mac, | |
873 | "isDuplicate"); | |
874 | else | |
875 | json_object_boolean_false_add(json_mac, | |
876 | "isDuplicate"); | |
877 | } | |
24268cd0 | 878 | |
b2998086 PR |
879 | wctx->count++; |
880 | } | |
24268cd0 PR |
881 | } |
882 | ||
883 | /* | |
b2998086 | 884 | * Print MAC hash entry in detail - called for display of all MACs. |
24268cd0 | 885 | */ |
b2998086 | 886 | void zebra_evpn_print_mac_hash_detail(struct hash_bucket *bucket, void *ctxt) |
24268cd0 | 887 | { |
b2998086 PR |
888 | struct vty *vty; |
889 | json_object *json_mac_hdr = NULL; | |
890 | zebra_mac_t *mac; | |
891 | struct mac_walk_ctx *wctx = ctxt; | |
892 | char buf1[ETHER_ADDR_STRLEN]; | |
24268cd0 | 893 | |
b2998086 PR |
894 | vty = wctx->vty; |
895 | json_mac_hdr = wctx->json; | |
896 | mac = (zebra_mac_t *)bucket->data; | |
897 | if (!mac) | |
24268cd0 PR |
898 | return; |
899 | ||
b2998086 PR |
900 | wctx->count++; |
901 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
24268cd0 | 902 | |
b2998086 | 903 | zebra_evpn_print_mac(mac, vty, json_mac_hdr); |
24268cd0 PR |
904 | } |
905 | ||
906 | /* | |
b2998086 | 907 | * Inform BGP about local MACIP. |
24268cd0 | 908 | */ |
b2998086 PR |
909 | int zebra_evpn_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
910 | struct ipaddr *ip, uint8_t flags, | |
911 | uint32_t seq, int state, | |
912 | struct zebra_evpn_es *es, uint16_t cmd) | |
24268cd0 | 913 | { |
b2998086 PR |
914 | char buf[ETHER_ADDR_STRLEN]; |
915 | char buf2[INET6_ADDRSTRLEN]; | |
916 | int ipa_len; | |
917 | struct zserv *client = NULL; | |
918 | struct stream *s = NULL; | |
919 | esi_t *esi = es ? &es->esi : zero_esi; | |
24268cd0 | 920 | |
b2998086 PR |
921 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
922 | /* BGP may not be running. */ | |
923 | if (!client) | |
924 | return 0; | |
24268cd0 | 925 | |
b2998086 | 926 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
24268cd0 | 927 | |
b2998086 PR |
928 | zclient_create_header(s, cmd, zebra_vrf_get_evpn_id()); |
929 | stream_putl(s, vni); | |
930 | stream_put(s, macaddr->octet, ETH_ALEN); | |
931 | if (ip) { | |
932 | ipa_len = 0; | |
933 | if (IS_IPADDR_V4(ip)) | |
934 | ipa_len = IPV4_MAX_BYTELEN; | |
935 | else if (IS_IPADDR_V6(ip)) | |
936 | ipa_len = IPV6_MAX_BYTELEN; | |
24268cd0 | 937 | |
b2998086 PR |
938 | stream_putl(s, ipa_len); /* IP address length */ |
939 | if (ipa_len) | |
940 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
941 | } else | |
942 | stream_putl(s, 0); /* Just MAC. */ | |
24268cd0 | 943 | |
b2998086 PR |
944 | if (cmd == ZEBRA_MACIP_ADD) { |
945 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
946 | stream_putl(s, seq); /* sequence number */ | |
947 | stream_put(s, esi, sizeof(esi_t)); | |
24268cd0 | 948 | } else { |
b2998086 PR |
949 | stream_putl(s, state); /* state - active/inactive */ |
950 | } | |
24268cd0 | 951 | |
24268cd0 | 952 | |
b2998086 PR |
953 | /* Write packet size. */ |
954 | stream_putw_at(s, 0, stream_get_endp(s)); | |
24268cd0 | 955 | |
bf902d4c DS |
956 | if (IS_ZEBRA_DEBUG_VXLAN) { |
957 | char flag_buf[MACIP_BUF_SIZE]; | |
958 | ||
b2998086 | 959 | zlog_debug( |
bf902d4c DS |
960 | "Send MACIP %s f %s MAC %s IP %s seq %u L2-VNI %u ESI %s to %s", |
961 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", | |
962 | zclient_evpn_dump_macip_flags(flags, flag_buf, | |
963 | sizeof(flag_buf)), | |
b2998086 PR |
964 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
965 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, | |
966 | es ? es->esi_str : "-", | |
967 | zebra_route_string(client->proto)); | |
bf902d4c | 968 | } |
24268cd0 | 969 | |
b2998086 PR |
970 | if (cmd == ZEBRA_MACIP_ADD) |
971 | client->macipadd_cnt++; | |
972 | else | |
973 | client->macipdel_cnt++; | |
24268cd0 | 974 | |
b2998086 PR |
975 | return zserv_send_message(client, s); |
976 | } | |
24268cd0 | 977 | |
b2998086 PR |
978 | static unsigned int mac_hash_keymake(const void *p) |
979 | { | |
980 | const zebra_mac_t *pmac = p; | |
981 | const void *pnt = (void *)pmac->macaddr.octet; | |
24268cd0 | 982 | |
b2998086 | 983 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
24268cd0 PR |
984 | } |
985 | ||
986 | /* | |
b2998086 | 987 | * Compare two MAC addresses. |
24268cd0 | 988 | */ |
b2998086 | 989 | static bool mac_cmp(const void *p1, const void *p2) |
24268cd0 | 990 | { |
b2998086 PR |
991 | const zebra_mac_t *pmac1 = p1; |
992 | const zebra_mac_t *pmac2 = p2; | |
24268cd0 | 993 | |
b2998086 PR |
994 | if (pmac1 == NULL && pmac2 == NULL) |
995 | return true; | |
24268cd0 | 996 | |
b2998086 PR |
997 | if (pmac1 == NULL || pmac2 == NULL) |
998 | return false; | |
24268cd0 | 999 | |
b2998086 PR |
1000 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
1001 | == 0); | |
1002 | } | |
24268cd0 | 1003 | |
b2998086 PR |
1004 | /* |
1005 | * Callback to allocate MAC hash entry. | |
1006 | */ | |
1007 | static void *zebra_evpn_mac_alloc(void *p) | |
1008 | { | |
1009 | const zebra_mac_t *tmp_mac = p; | |
1010 | zebra_mac_t *mac; | |
24268cd0 | 1011 | |
b2998086 PR |
1012 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
1013 | *mac = *tmp_mac; | |
24268cd0 | 1014 | |
b2998086 PR |
1015 | return ((void *)mac); |
1016 | } | |
24268cd0 | 1017 | |
b2998086 PR |
1018 | /* |
1019 | * Add MAC entry. | |
1020 | */ | |
1021 | zebra_mac_t *zebra_evpn_mac_add(zebra_evpn_t *zevpn, struct ethaddr *macaddr) | |
1022 | { | |
1023 | zebra_mac_t tmp_mac; | |
1024 | zebra_mac_t *mac = NULL; | |
24268cd0 | 1025 | |
b2998086 PR |
1026 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
1027 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); | |
1028 | mac = hash_get(zevpn->mac_table, &tmp_mac, zebra_evpn_mac_alloc); | |
1029 | assert(mac); | |
24268cd0 | 1030 | |
b2998086 PR |
1031 | mac->zevpn = zevpn; |
1032 | mac->dad_mac_auto_recovery_timer = NULL; | |
24268cd0 | 1033 | |
b2998086 PR |
1034 | mac->neigh_list = list_new(); |
1035 | mac->neigh_list->cmp = neigh_list_cmp; | |
24268cd0 | 1036 | |
f1dbb1c7 | 1037 | mac->uptime = monotime(NULL); |
b2998086 PR |
1038 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1039 | char buf[ETHER_ADDR_STRLEN]; | |
b16e8004 | 1040 | char mac_buf[MAC_BUF_SIZE]; |
24268cd0 | 1041 | |
b16e8004 | 1042 | zlog_debug("%s: MAC %s flags %s", __func__, |
b2998086 | 1043 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), |
b16e8004 DS |
1044 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
1045 | sizeof(mac_buf))); | |
b2998086 PR |
1046 | } |
1047 | return mac; | |
24268cd0 PR |
1048 | } |
1049 | ||
1050 | /* | |
b2998086 | 1051 | * Delete MAC entry. |
24268cd0 | 1052 | */ |
b2998086 | 1053 | int zebra_evpn_mac_del(zebra_evpn_t *zevpn, zebra_mac_t *mac) |
24268cd0 | 1054 | { |
b2998086 | 1055 | zebra_mac_t *tmp_mac; |
24268cd0 | 1056 | |
b2998086 PR |
1057 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1058 | char buf[ETHER_ADDR_STRLEN]; | |
b16e8004 | 1059 | char mac_buf[MAC_BUF_SIZE]; |
b2998086 | 1060 | |
b16e8004 | 1061 | zlog_debug("%s: MAC %s flags %s", __func__, |
b2998086 | 1062 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), |
b16e8004 DS |
1063 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
1064 | sizeof(mac_buf))); | |
24268cd0 PR |
1065 | } |
1066 | ||
46bf266c AK |
1067 | /* If the MAC is freed before the neigh we will end up |
1068 | * with a stale pointer against the neigh | |
1069 | */ | |
1070 | if (!list_isempty(mac->neigh_list)) | |
1071 | zlog_warn("%s: MAC %pEA flags 0x%x neigh list not empty %d", | |
1072 | __func__, &mac->macaddr, mac->flags, | |
1073 | listcount(mac->neigh_list)); | |
1074 | ||
b2998086 PR |
1075 | /* force de-ref any ES entry linked to the MAC */ |
1076 | zebra_evpn_es_mac_deref_entry(mac); | |
24268cd0 | 1077 | |
b2998086 PR |
1078 | /* Cancel proxy hold timer */ |
1079 | zebra_evpn_mac_stop_hold_timer(mac); | |
24268cd0 | 1080 | |
b2998086 PR |
1081 | /* Cancel auto recovery */ |
1082 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
24268cd0 | 1083 | |
b2998086 | 1084 | list_delete(&mac->neigh_list); |
24268cd0 | 1085 | |
b2998086 PR |
1086 | /* Free the VNI hash entry and allocated memory. */ |
1087 | tmp_mac = hash_release(zevpn->mac_table, mac); | |
1088 | XFREE(MTYPE_MAC, tmp_mac); | |
24268cd0 | 1089 | |
b2998086 PR |
1090 | return 0; |
1091 | } | |
24268cd0 | 1092 | |
b2998086 PR |
1093 | static bool zebra_evpn_check_mac_del_from_db(struct mac_walk_ctx *wctx, |
1094 | zebra_mac_t *mac) | |
1095 | { | |
1096 | if ((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) | |
1097 | return true; | |
1098 | else if ((wctx->flags & DEL_REMOTE_MAC) | |
1099 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
1100 | return true; | |
1101 | else if ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
1102 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
1103 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &wctx->r_vtep_ip)) | |
1104 | return true; | |
1105 | else if ((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_AUTO) | |
1106 | && !listcount(mac->neigh_list)) { | |
1107 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
1108 | char buf[ETHER_ADDR_STRLEN]; | |
b16e8004 | 1109 | char mac_buf[MAC_BUF_SIZE]; |
24268cd0 | 1110 | |
24268cd0 | 1111 | zlog_debug( |
b16e8004 | 1112 | "%s: Del MAC %s flags %s", __func__, |
b2998086 | 1113 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), |
b16e8004 DS |
1114 | zebra_evpn_zebra_mac_flag_dump( |
1115 | mac, mac_buf, sizeof(mac_buf))); | |
b2998086 PR |
1116 | } |
1117 | wctx->uninstall = 0; | |
24268cd0 | 1118 | |
b2998086 PR |
1119 | return true; |
1120 | } | |
24268cd0 | 1121 | |
b2998086 PR |
1122 | return false; |
1123 | } | |
24268cd0 | 1124 | |
b2998086 PR |
1125 | /* |
1126 | * Free MAC hash entry (callback) | |
1127 | */ | |
1128 | static void zebra_evpn_mac_del_hash_entry(struct hash_bucket *bucket, void *arg) | |
1129 | { | |
1130 | struct mac_walk_ctx *wctx = arg; | |
1131 | zebra_mac_t *mac = bucket->data; | |
24268cd0 | 1132 | |
b2998086 PR |
1133 | if (zebra_evpn_check_mac_del_from_db(wctx, mac)) { |
1134 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
1135 | zebra_evpn_mac_send_del_to_client(wctx->zevpn->vni, | |
1136 | &mac->macaddr, | |
1137 | mac->flags, false); | |
1138 | } | |
1139 | if (wctx->uninstall) { | |
1140 | if (zebra_evpn_mac_is_static(mac)) | |
1141 | zebra_evpn_sync_mac_dp_install( | |
1142 | mac, false /* set_inactive */, | |
1143 | true /* force_clear_static */, | |
1144 | __func__); | |
24268cd0 | 1145 | |
b2998086 | 1146 | if (mac->flags & ZEBRA_MAC_REMOTE) |
f3722826 AK |
1147 | zebra_evpn_rem_mac_uninstall(wctx->zevpn, mac, |
1148 | false /*force*/); | |
24268cd0 | 1149 | } |
b2998086 PR |
1150 | |
1151 | zebra_evpn_mac_del(wctx->zevpn, mac); | |
24268cd0 PR |
1152 | } |
1153 | ||
24268cd0 PR |
1154 | return; |
1155 | } | |
1156 | ||
24268cd0 | 1157 | /* |
b2998086 | 1158 | * Delete all MAC entries for this EVPN. |
24268cd0 | 1159 | */ |
b2998086 PR |
1160 | void zebra_evpn_mac_del_all(zebra_evpn_t *zevpn, int uninstall, int upd_client, |
1161 | uint32_t flags) | |
24268cd0 | 1162 | { |
b2998086 | 1163 | struct mac_walk_ctx wctx; |
24268cd0 | 1164 | |
b2998086 | 1165 | if (!zevpn->mac_table) |
24268cd0 PR |
1166 | return; |
1167 | ||
b2998086 PR |
1168 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
1169 | wctx.zevpn = zevpn; | |
1170 | wctx.uninstall = uninstall; | |
1171 | wctx.upd_client = upd_client; | |
1172 | wctx.flags = flags; | |
24268cd0 | 1173 | |
b2998086 PR |
1174 | hash_iterate(zevpn->mac_table, zebra_evpn_mac_del_hash_entry, &wctx); |
1175 | } | |
24268cd0 | 1176 | |
b2998086 PR |
1177 | /* |
1178 | * Look up MAC hash entry. | |
1179 | */ | |
1180 | zebra_mac_t *zebra_evpn_mac_lookup(zebra_evpn_t *zevpn, struct ethaddr *mac) | |
1181 | { | |
1182 | zebra_mac_t tmp; | |
1183 | zebra_mac_t *pmac; | |
24268cd0 | 1184 | |
b2998086 PR |
1185 | memset(&tmp, 0, sizeof(tmp)); |
1186 | memcpy(&tmp.macaddr, mac, ETH_ALEN); | |
1187 | pmac = hash_lookup(zevpn->mac_table, &tmp); | |
24268cd0 | 1188 | |
b2998086 PR |
1189 | return pmac; |
1190 | } | |
24268cd0 | 1191 | |
b2998086 PR |
1192 | /* |
1193 | * Inform BGP about local MAC addition. | |
1194 | */ | |
1195 | int zebra_evpn_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, | |
1196 | uint32_t mac_flags, uint32_t seq, | |
1197 | struct zebra_evpn_es *es) | |
1198 | { | |
1199 | uint8_t flags = 0; | |
24268cd0 | 1200 | |
b2998086 PR |
1201 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_LOCAL_INACTIVE)) { |
1202 | /* host reachability has not been verified locally */ | |
24268cd0 | 1203 | |
b2998086 PR |
1204 | /* if no ES peer is claiming reachability we can't advertise the |
1205 | * entry | |
1206 | */ | |
1207 | if (!CHECK_FLAG(mac_flags, ZEBRA_MAC_ES_PEER_ACTIVE)) | |
1208 | return 0; | |
24268cd0 | 1209 | |
b2998086 PR |
1210 | /* ES peers are claiming reachability; we will |
1211 | * advertise the entry but with a proxy flag | |
24268cd0 | 1212 | */ |
b2998086 PR |
1213 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_PROXY_ADVERT); |
1214 | } | |
24268cd0 | 1215 | |
b2998086 PR |
1216 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) |
1217 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
1218 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
1219 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
24268cd0 | 1220 | |
b2998086 PR |
1221 | return zebra_evpn_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
1222 | seq, ZEBRA_NEIGH_ACTIVE, es, | |
1223 | ZEBRA_MACIP_ADD); | |
1224 | } | |
24268cd0 | 1225 | |
b2998086 PR |
1226 | /* |
1227 | * Inform BGP about local MAC deletion. | |
1228 | */ | |
1229 | int zebra_evpn_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, | |
1230 | uint32_t flags, bool force) | |
1231 | { | |
1232 | if (!force) { | |
1233 | if (CHECK_FLAG(flags, ZEBRA_MAC_LOCAL_INACTIVE) | |
1234 | && !CHECK_FLAG(flags, ZEBRA_MAC_ES_PEER_ACTIVE)) | |
1235 | /* the host was not advertised - nothing to delete */ | |
1236 | return 0; | |
24268cd0 PR |
1237 | } |
1238 | ||
b2998086 PR |
1239 | return zebra_evpn_macip_send_msg_to_client( |
1240 | vni, macaddr, NULL, 0 /* flags */, 0 /* seq */, | |
1241 | ZEBRA_NEIGH_ACTIVE, NULL, ZEBRA_MACIP_DEL); | |
24268cd0 PR |
1242 | } |
1243 | ||
1244 | /* | |
b2998086 | 1245 | * wrapper to create a MAC hash table |
24268cd0 | 1246 | */ |
b2998086 | 1247 | struct hash *zebra_mac_db_create(const char *desc) |
24268cd0 | 1248 | { |
b2998086 | 1249 | return hash_create(mac_hash_keymake, mac_cmp, desc); |
24268cd0 PR |
1250 | } |
1251 | ||
b2998086 | 1252 | /* program sync mac flags in the dataplane */ |
15400f95 AK |
1253 | int zebra_evpn_sync_mac_dp_install(zebra_mac_t *mac, bool set_inactive, |
1254 | bool force_clear_static, const char *caller) | |
24268cd0 | 1255 | { |
b2998086 PR |
1256 | struct interface *ifp; |
1257 | bool sticky; | |
1258 | bool set_static; | |
1259 | zebra_evpn_t *zevpn = mac->zevpn; | |
1260 | vlanid_t vid; | |
1261 | struct zebra_if *zif; | |
1262 | struct interface *br_ifp; | |
24268cd0 | 1263 | |
b2998086 PR |
1264 | /* get the access vlan from the vxlan_device */ |
1265 | zebra_evpn_mac_get_access_info(mac, &ifp, &vid); | |
24268cd0 | 1266 | |
b2998086 | 1267 | if (!ifp) { |
b16e8004 DS |
1268 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1269 | char mac_buf[MAC_BUF_SIZE]; | |
1270 | ||
b2998086 | 1271 | zlog_debug( |
b16e8004 | 1272 | "%s: dp-install sync-mac vni %u mac %pEA es %s %s%sskipped, no access-port", |
15400f95 | 1273 | caller, zevpn->vni, &mac->macaddr, |
b16e8004 DS |
1274 | mac->es ? mac->es->esi_str : "-", |
1275 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1276 | sizeof(mac_buf)), | |
b2998086 | 1277 | set_inactive ? "inactive " : ""); |
b16e8004 | 1278 | } |
15400f95 | 1279 | return -1; |
b2998086 | 1280 | } |
24268cd0 | 1281 | |
b2998086 PR |
1282 | zif = ifp->info; |
1283 | br_ifp = zif->brslave_info.br_if; | |
1284 | if (!br_ifp) { | |
b16e8004 DS |
1285 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1286 | char mac_buf[MAC_BUF_SIZE]; | |
1287 | ||
b2998086 | 1288 | zlog_debug( |
b16e8004 | 1289 | "%s: dp-install sync-mac vni %u mac %pEA es %s %s%sskipped, no br", |
15400f95 | 1290 | caller, zevpn->vni, &mac->macaddr, |
b16e8004 DS |
1291 | mac->es ? mac->es->esi_str : "-", |
1292 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1293 | sizeof(mac_buf)), | |
b2998086 | 1294 | set_inactive ? "inactive " : ""); |
b16e8004 | 1295 | } |
15400f95 | 1296 | return -1; |
b2998086 | 1297 | } |
24268cd0 | 1298 | |
b2998086 PR |
1299 | sticky = !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY); |
1300 | if (force_clear_static) | |
1301 | set_static = false; | |
1302 | else | |
1303 | set_static = zebra_evpn_mac_is_static(mac); | |
24268cd0 | 1304 | |
15400f95 AK |
1305 | /* We can install a local mac that has been synced from the peer |
1306 | * over the VxLAN-overlay/network-port if fast failover is not | |
1307 | * supported and if the local ES is oper-down. | |
1308 | */ | |
1309 | if (mac->es && zebra_evpn_es_local_mac_via_network_port(mac->es)) { | |
b16e8004 DS |
1310 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1311 | char mac_buf[MAC_BUF_SIZE]; | |
1312 | ||
15400f95 | 1313 | zlog_debug( |
b16e8004 | 1314 | "dp-%s sync-nw-mac vni %u mac %pEA es %s %s%s", |
15400f95 AK |
1315 | set_static ? "install" : "uninstall", |
1316 | zevpn->vni, &mac->macaddr, | |
b16e8004 DS |
1317 | mac->es ? mac->es->esi_str : "-", |
1318 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1319 | sizeof(mac_buf)), | |
15400f95 | 1320 | set_inactive ? "inactive " : ""); |
b16e8004 | 1321 | } |
15400f95 AK |
1322 | if (set_static) |
1323 | /* XXX - old_static needs to be computed more | |
1324 | * accurately | |
1325 | */ | |
1326 | zebra_evpn_rem_mac_install(zevpn, mac, | |
1327 | true /* old_static */); | |
1328 | else | |
1329 | zebra_evpn_rem_mac_uninstall(zevpn, mac, | |
1330 | false /* force */); | |
1331 | ||
1332 | return 0; | |
1333 | } | |
1334 | ||
b16e8004 DS |
1335 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1336 | char mac_buf[MAC_BUF_SIZE]; | |
1337 | ||
1338 | zlog_debug("dp-install sync-mac vni %u mac %pEA es %s %s%s%s", | |
1339 | zevpn->vni, &mac->macaddr, | |
1340 | mac->es ? mac->es->esi_str : "-", | |
1341 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1342 | sizeof(mac_buf)), | |
1343 | set_static ? "static " : "", | |
1344 | set_inactive ? "inactive " : ""); | |
1345 | } | |
24268cd0 | 1346 | |
b2998086 PR |
1347 | dplane_local_mac_add(ifp, br_ifp, vid, &mac->macaddr, sticky, |
1348 | set_static, set_inactive); | |
15400f95 | 1349 | return 0; |
24268cd0 PR |
1350 | } |
1351 | ||
b2998086 PR |
1352 | void zebra_evpn_mac_send_add_del_to_client(zebra_mac_t *mac, bool old_bgp_ready, |
1353 | bool new_bgp_ready) | |
24268cd0 | 1354 | { |
b2998086 PR |
1355 | if (new_bgp_ready) |
1356 | zebra_evpn_mac_send_add_to_client(mac->zevpn->vni, | |
1357 | &mac->macaddr, mac->flags, | |
1358 | mac->loc_seq, mac->es); | |
1359 | else if (old_bgp_ready) | |
1360 | zebra_evpn_mac_send_del_to_client(mac->zevpn->vni, | |
1361 | &mac->macaddr, mac->flags, | |
1362 | true /* force */); | |
24268cd0 PR |
1363 | } |
1364 | ||
b2998086 PR |
1365 | /* MAC hold timer is used to age out peer-active flag. |
1366 | * | |
1367 | * During this wait time we expect the dataplane component or an | |
1368 | * external neighmgr daemon to probe existing hosts to independently | |
1369 | * establish their presence on the ES. | |
1370 | */ | |
1371 | static int zebra_evpn_mac_hold_exp_cb(struct thread *t) | |
24268cd0 | 1372 | { |
b2998086 PR |
1373 | zebra_mac_t *mac; |
1374 | bool old_bgp_ready; | |
1375 | bool new_bgp_ready; | |
1376 | bool old_static; | |
1377 | bool new_static; | |
1378 | char macbuf[ETHER_ADDR_STRLEN]; | |
24268cd0 PR |
1379 | |
1380 | mac = THREAD_ARG(t); | |
b2998086 PR |
1381 | /* the purpose of the hold timer is to age out the peer-active |
1382 | * flag | |
1383 | */ | |
1384 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE)) | |
24268cd0 PR |
1385 | return 0; |
1386 | ||
b2998086 PR |
1387 | old_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); |
1388 | old_static = zebra_evpn_mac_is_static(mac); | |
1389 | UNSET_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE); | |
1390 | new_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
1391 | new_static = zebra_evpn_mac_is_static(mac); | |
24268cd0 | 1392 | |
b16e8004 DS |
1393 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1394 | char mac_buf[MAC_BUF_SIZE]; | |
1395 | ||
24268cd0 | 1396 | zlog_debug( |
b16e8004 | 1397 | "sync-mac vni %u mac %s es %s %shold expired", |
b2998086 PR |
1398 | mac->zevpn->vni, |
1399 | prefix_mac2str(&mac->macaddr, macbuf, sizeof(macbuf)), | |
b16e8004 DS |
1400 | mac->es ? mac->es->esi_str : "-", |
1401 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1402 | sizeof(mac_buf))); | |
1403 | } | |
24268cd0 | 1404 | |
b2998086 PR |
1405 | /* re-program the local mac in the dataplane if the mac is no |
1406 | * longer static | |
1407 | */ | |
1408 | if (old_static != new_static) | |
1409 | zebra_evpn_sync_mac_dp_install(mac, false /* set_inactive */, | |
1410 | false /* force_clear_static */, | |
1411 | __func__); | |
24268cd0 | 1412 | |
b2998086 PR |
1413 | /* inform bgp if needed */ |
1414 | if (old_bgp_ready != new_bgp_ready) | |
1415 | zebra_evpn_mac_send_add_del_to_client(mac, old_bgp_ready, | |
1416 | new_bgp_ready); | |
24268cd0 PR |
1417 | |
1418 | return 0; | |
1419 | } | |
1420 | ||
b2998086 | 1421 | static inline void zebra_evpn_mac_start_hold_timer(zebra_mac_t *mac) |
24268cd0 | 1422 | { |
b2998086 | 1423 | char macbuf[ETHER_ADDR_STRLEN]; |
24268cd0 | 1424 | |
b2998086 PR |
1425 | if (mac->hold_timer) |
1426 | return; | |
24268cd0 | 1427 | |
b16e8004 DS |
1428 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1429 | char mac_buf[MAC_BUF_SIZE]; | |
1430 | ||
24268cd0 | 1431 | zlog_debug( |
b16e8004 | 1432 | "sync-mac vni %u mac %s es %s %shold started", |
b2998086 PR |
1433 | mac->zevpn->vni, |
1434 | prefix_mac2str(&mac->macaddr, macbuf, sizeof(macbuf)), | |
b16e8004 DS |
1435 | mac->es ? mac->es->esi_str : "-", |
1436 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1437 | sizeof(mac_buf))); | |
1438 | } | |
b2998086 PR |
1439 | thread_add_timer(zrouter.master, zebra_evpn_mac_hold_exp_cb, mac, |
1440 | zmh_info->mac_hold_time, &mac->hold_timer); | |
24268cd0 PR |
1441 | } |
1442 | ||
b2998086 | 1443 | void zebra_evpn_mac_stop_hold_timer(zebra_mac_t *mac) |
24268cd0 | 1444 | { |
b2998086 | 1445 | char macbuf[ETHER_ADDR_STRLEN]; |
24268cd0 | 1446 | |
b2998086 PR |
1447 | if (!mac->hold_timer) |
1448 | return; | |
24268cd0 | 1449 | |
b16e8004 DS |
1450 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1451 | char mac_buf[MAC_BUF_SIZE]; | |
1452 | ||
b2998086 | 1453 | zlog_debug( |
b16e8004 | 1454 | "sync-mac vni %u mac %s es %s %shold stopped", |
b2998086 PR |
1455 | mac->zevpn->vni, |
1456 | prefix_mac2str(&mac->macaddr, macbuf, sizeof(macbuf)), | |
b16e8004 DS |
1457 | mac->es ? mac->es->esi_str : "-", |
1458 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
1459 | sizeof(mac_buf))); | |
1460 | } | |
1461 | ||
b2998086 | 1462 | THREAD_OFF(mac->hold_timer); |
24268cd0 PR |
1463 | } |
1464 | ||
b2998086 | 1465 | void zebra_evpn_sync_mac_del(zebra_mac_t *mac) |
24268cd0 | 1466 | { |
b2998086 PR |
1467 | char macbuf[ETHER_ADDR_STRLEN]; |
1468 | bool old_static; | |
1469 | bool new_static; | |
24268cd0 | 1470 | |
b16e8004 DS |
1471 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1472 | char mac_buf[MAC_BUF_SIZE]; | |
1473 | ||
b2998086 | 1474 | zlog_debug( |
b16e8004 | 1475 | "sync-mac del vni %u mac %s es %s seq %d f %s", |
b2998086 PR |
1476 | mac->zevpn->vni, |
1477 | prefix_mac2str(&mac->macaddr, macbuf, sizeof(macbuf)), | |
1478 | mac->es ? mac->es->esi_str : "-", mac->loc_seq, | |
b16e8004 DS |
1479 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
1480 | sizeof(mac_buf))); | |
1481 | } | |
1482 | ||
b2998086 PR |
1483 | old_static = zebra_evpn_mac_is_static(mac); |
1484 | UNSET_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_PROXY); | |
1485 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE)) | |
1486 | zebra_evpn_mac_start_hold_timer(mac); | |
1487 | new_static = zebra_evpn_mac_is_static(mac); | |
24268cd0 | 1488 | |
b2998086 PR |
1489 | if (old_static != new_static) |
1490 | /* program the local mac in the kernel */ | |
1491 | zebra_evpn_sync_mac_dp_install(mac, false /* set_inactive */, | |
1492 | false /* force_clear_static */, | |
1493 | __func__); | |
24268cd0 PR |
1494 | } |
1495 | ||
b2998086 PR |
1496 | static inline bool zebra_evpn_mac_is_bgp_seq_ok(zebra_evpn_t *zevpn, |
1497 | zebra_mac_t *mac, uint32_t seq, | |
1498 | uint16_t ipa_len, | |
16de1338 AK |
1499 | struct ipaddr *ipaddr, |
1500 | bool sync) | |
24268cd0 | 1501 | { |
b2998086 PR |
1502 | char macbuf[ETHER_ADDR_STRLEN]; |
1503 | char ipbuf[INET6_ADDRSTRLEN]; | |
1504 | uint32_t tmp_seq; | |
16de1338 | 1505 | const char *n_type; |
24268cd0 | 1506 | |
16de1338 | 1507 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
b2998086 | 1508 | tmp_seq = mac->loc_seq; |
16de1338 AK |
1509 | n_type = "local"; |
1510 | } else { | |
b2998086 | 1511 | tmp_seq = mac->rem_seq; |
16de1338 AK |
1512 | n_type = "remote"; |
1513 | } | |
24268cd0 | 1514 | |
b2998086 PR |
1515 | if (seq < tmp_seq) { |
1516 | /* if the mac was never advertised to bgp we must accept | |
1517 | * whatever sequence number bgp sends | |
1518 | * XXX - check with Vivek | |
1519 | */ | |
1520 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
1521 | && !zebra_evpn_mac_is_ready_for_bgp(mac->flags)) { | |
b16e8004 DS |
1522 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC |
1523 | || IS_ZEBRA_DEBUG_VXLAN) { | |
1524 | char mac_buf[MAC_BUF_SIZE]; | |
1525 | ||
b2998086 | 1526 | zlog_debug( |
b16e8004 | 1527 | "%s-macip accept vni %u %s-mac %s%s%s lower seq %u f %s", |
16de1338 AK |
1528 | sync ? "sync" : "rem", zevpn->vni, |
1529 | n_type, | |
b2998086 PR |
1530 | prefix_mac2str(&mac->macaddr, macbuf, |
1531 | sizeof(macbuf)), | |
1532 | ipa_len ? " IP " : "", | |
1533 | ipa_len ? ipaddr2str(ipaddr, ipbuf, | |
1534 | sizeof(ipbuf)) | |
1535 | : "", | |
b16e8004 DS |
1536 | tmp_seq, |
1537 | zebra_evpn_zebra_mac_flag_dump( | |
1538 | mac, mac_buf, sizeof(mac_buf))); | |
1539 | } | |
1540 | ||
b2998086 PR |
1541 | return true; |
1542 | } | |
24268cd0 | 1543 | |
b16e8004 DS |
1544 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC || IS_ZEBRA_DEBUG_VXLAN) { |
1545 | char mac_buf[MAC_BUF_SIZE]; | |
1546 | ||
b2998086 | 1547 | zlog_debug( |
b16e8004 | 1548 | "%s-macip ignore vni %u %s-mac %s%s%s as existing has higher seq %u f %s", |
16de1338 | 1549 | sync ? "sync" : "rem", zevpn->vni, n_type, |
b2998086 PR |
1550 | prefix_mac2str(&mac->macaddr, macbuf, |
1551 | sizeof(macbuf)), | |
1552 | ipa_len ? " IP " : "", | |
1553 | ipa_len ? ipaddr2str(ipaddr, ipbuf, | |
1554 | sizeof(ipbuf)) | |
1555 | : "", | |
b16e8004 DS |
1556 | tmp_seq, |
1557 | zebra_evpn_zebra_mac_flag_dump( | |
1558 | mac, mac_buf, sizeof(mac_buf))); | |
1559 | } | |
b2998086 | 1560 | return false; |
24268cd0 PR |
1561 | } |
1562 | ||
b2998086 | 1563 | return true; |
24268cd0 PR |
1564 | } |
1565 | ||
b2998086 PR |
1566 | zebra_mac_t * |
1567 | zebra_evpn_proc_sync_mac_update(zebra_evpn_t *zevpn, struct ethaddr *macaddr, | |
1568 | uint16_t ipa_len, struct ipaddr *ipaddr, | |
1569 | uint8_t flags, uint32_t seq, esi_t *esi, | |
1570 | struct sync_mac_ip_ctx *ctx) | |
24268cd0 | 1571 | { |
b2998086 PR |
1572 | zebra_mac_t *mac; |
1573 | bool inform_bgp = false; | |
1574 | bool inform_dataplane = false; | |
1575 | bool seq_change = false; | |
1576 | bool es_change = false; | |
1577 | uint32_t tmp_seq; | |
1578 | char macbuf[ETHER_ADDR_STRLEN]; | |
1579 | char ipbuf[INET6_ADDRSTRLEN]; | |
1580 | bool old_local = false; | |
1581 | bool old_bgp_ready; | |
1582 | bool new_bgp_ready; | |
24268cd0 | 1583 | |
b2998086 PR |
1584 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); |
1585 | if (!mac) { | |
1586 | /* if it is a new local path we need to inform both | |
1587 | * the control protocol and the data-plane | |
1588 | */ | |
1589 | inform_bgp = true; | |
1590 | inform_dataplane = true; | |
1591 | ctx->mac_created = true; | |
1592 | ctx->mac_inactive = true; | |
24268cd0 | 1593 | |
b2998086 PR |
1594 | /* create the MAC and associate it with the dest ES */ |
1595 | mac = zebra_evpn_mac_add(zevpn, macaddr); | |
1596 | zebra_evpn_es_mac_ref(mac, esi); | |
24268cd0 | 1597 | |
b2998086 PR |
1598 | /* local mac activated by an ES peer */ |
1599 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1600 | /* if mac-only route setup peer flags */ | |
1601 | if (!ipa_len) { | |
1602 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_PROXY_ADVERT)) | |
1603 | SET_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_PROXY); | |
1604 | else | |
1605 | SET_FLAG(mac->flags, ZEBRA_MAC_ES_PEER_ACTIVE); | |
1606 | } | |
1607 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE); | |
1608 | old_bgp_ready = false; | |
1609 | new_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
1610 | } else { | |
1611 | uint32_t old_flags; | |
1612 | uint32_t new_flags; | |
1613 | bool old_static; | |
1614 | bool new_static; | |
1615 | bool sticky; | |
1616 | bool remote_gw; | |
24268cd0 | 1617 | |
f1dbb1c7 DS |
1618 | mac->uptime = monotime(NULL); |
1619 | ||
b2998086 PR |
1620 | old_flags = mac->flags; |
1621 | sticky = !!CHECK_FLAG(old_flags, ZEBRA_MAC_STICKY); | |
1622 | remote_gw = !!CHECK_FLAG(old_flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
1623 | if (sticky || remote_gw) { | |
1624 | if (IS_ZEBRA_DEBUG_EVPN_MH_NEIGH) | |
1625 | zlog_debug( | |
1626 | "Ignore sync-macip vni %u mac %s%s%s%s%s", | |
1627 | zevpn->vni, | |
1628 | prefix_mac2str(macaddr, macbuf, | |
1629 | sizeof(macbuf)), | |
1630 | ipa_len ? " IP " : "", | |
1631 | ipa_len ? ipaddr2str(ipaddr, ipbuf, | |
1632 | sizeof(ipbuf)) | |
1633 | : "", | |
1634 | sticky ? " sticky" : "", | |
1635 | remote_gw ? " remote_gw" : ""); | |
1636 | ctx->ignore_macip = true; | |
1637 | return NULL; | |
1638 | } | |
1639 | if (!zebra_evpn_mac_is_bgp_seq_ok(zevpn, mac, seq, ipa_len, | |
16de1338 | 1640 | ipaddr, true)) { |
b2998086 PR |
1641 | ctx->ignore_macip = true; |
1642 | return NULL; | |
1643 | } | |
24268cd0 | 1644 | |
b2998086 PR |
1645 | old_local = !!CHECK_FLAG(old_flags, ZEBRA_MAC_LOCAL); |
1646 | old_static = zebra_evpn_mac_is_static(mac); | |
24268cd0 | 1647 | |
b2998086 PR |
1648 | /* re-build the mac flags */ |
1649 | new_flags = 0; | |
1650 | SET_FLAG(new_flags, ZEBRA_MAC_LOCAL); | |
1651 | /* retain old local activity flag */ | |
1652 | if (old_flags & ZEBRA_MAC_LOCAL) { | |
1653 | new_flags |= (old_flags & ZEBRA_MAC_LOCAL_INACTIVE); | |
1654 | } else { | |
1655 | new_flags |= ZEBRA_MAC_LOCAL_INACTIVE; | |
1656 | ctx->mac_inactive = true; | |
1657 | } | |
1658 | if (ipa_len) { | |
1659 | /* if mac-ip route do NOT update the peer flags | |
1660 | * i.e. retain only flags as is | |
1661 | */ | |
1662 | new_flags |= (old_flags & ZEBRA_MAC_ALL_PEER_FLAGS); | |
1663 | } else { | |
1664 | /* if mac-only route update peer flags */ | |
1665 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_PROXY_ADVERT)) { | |
1666 | SET_FLAG(new_flags, ZEBRA_MAC_ES_PEER_PROXY); | |
1667 | /* if the mac was peer-active previously we | |
1668 | * need to keep the flag and start the | |
1669 | * holdtimer on it. the peer-active flag is | |
1670 | * cleared on holdtimer expiry. | |
1671 | */ | |
1672 | if (CHECK_FLAG(old_flags, | |
1673 | ZEBRA_MAC_ES_PEER_ACTIVE)) { | |
1674 | SET_FLAG(new_flags, | |
1675 | ZEBRA_MAC_ES_PEER_ACTIVE); | |
1676 | zebra_evpn_mac_start_hold_timer(mac); | |
1677 | } | |
1678 | } else { | |
1679 | SET_FLAG(new_flags, ZEBRA_MAC_ES_PEER_ACTIVE); | |
1680 | /* stop hold timer if a peer has verified | |
1681 | * reachability | |
1682 | */ | |
1683 | zebra_evpn_mac_stop_hold_timer(mac); | |
1684 | } | |
1685 | } | |
1686 | mac->rem_seq = 0; | |
1687 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
1688 | mac->flags = new_flags; | |
24268cd0 | 1689 | |
b16e8004 DS |
1690 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC && (old_flags != new_flags)) { |
1691 | char mac_buf[MAC_BUF_SIZE], omac_buf[MAC_BUF_SIZE]; | |
1692 | struct zebra_mac_t_ omac; | |
1693 | ||
1694 | omac.flags = old_flags; | |
b2998086 | 1695 | zlog_debug( |
b16e8004 | 1696 | "sync-mac vni %u mac %s old_f %snew_f %s", |
b2998086 PR |
1697 | zevpn->vni, |
1698 | prefix_mac2str(macaddr, macbuf, sizeof(macbuf)), | |
b16e8004 DS |
1699 | zebra_evpn_zebra_mac_flag_dump( |
1700 | &omac, omac_buf, sizeof(omac_buf)), | |
1701 | zebra_evpn_zebra_mac_flag_dump( | |
1702 | mac, mac_buf, sizeof(mac_buf))); | |
1703 | } | |
24268cd0 | 1704 | |
b2998086 PR |
1705 | /* update es */ |
1706 | es_change = zebra_evpn_es_mac_ref(mac, esi); | |
1707 | /* if mac dest change - inform both sides */ | |
1708 | if (es_change) { | |
1709 | inform_bgp = true; | |
1710 | inform_dataplane = true; | |
1711 | ctx->mac_inactive = true; | |
1712 | } | |
1713 | /* if peer-flag is being set notify dataplane that the | |
1714 | * entry must not be expired because of local inactivity | |
1715 | */ | |
1716 | new_static = zebra_evpn_mac_is_static(mac); | |
1717 | if (old_static != new_static) | |
1718 | inform_dataplane = true; | |
24268cd0 | 1719 | |
b2998086 PR |
1720 | old_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(old_flags); |
1721 | new_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
1722 | if (old_bgp_ready != new_bgp_ready) | |
1723 | inform_bgp = true; | |
1724 | } | |
24268cd0 | 1725 | |
24268cd0 | 1726 | |
b2998086 PR |
1727 | /* update sequence number; if that results in a new local sequence |
1728 | * inform bgp | |
1729 | */ | |
1730 | tmp_seq = MAX(mac->loc_seq, seq); | |
1731 | if (tmp_seq != mac->loc_seq) { | |
1732 | mac->loc_seq = tmp_seq; | |
1733 | seq_change = true; | |
1734 | inform_bgp = true; | |
1735 | } | |
24268cd0 | 1736 | |
b16e8004 DS |
1737 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1738 | char mac_buf[MAC_BUF_SIZE]; | |
1739 | ||
1740 | zlog_debug("sync-mac %s vni %u mac %s es %s seq %d f %s%s%s", | |
b2998086 PR |
1741 | ctx->mac_created ? "created" : "updated", zevpn->vni, |
1742 | prefix_mac2str(macaddr, macbuf, sizeof(macbuf)), | |
1743 | mac->es ? mac->es->esi_str : "-", mac->loc_seq, | |
b16e8004 DS |
1744 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
1745 | sizeof(mac_buf)), | |
1746 | inform_bgp ? "inform_bgp" : "", | |
b2998086 | 1747 | inform_dataplane ? " inform_dp" : ""); |
b16e8004 | 1748 | } |
24268cd0 | 1749 | |
b2998086 PR |
1750 | if (inform_bgp) |
1751 | zebra_evpn_mac_send_add_del_to_client(mac, old_bgp_ready, | |
1752 | new_bgp_ready); | |
24268cd0 | 1753 | |
b2998086 PR |
1754 | /* neighs using the mac may need to be re-sent to |
1755 | * bgp with updated info | |
1756 | */ | |
1757 | if (seq_change || es_change || !old_local) | |
1758 | zebra_evpn_process_neigh_on_local_mac_change( | |
1759 | zevpn, mac, seq_change, es_change); | |
24268cd0 | 1760 | |
b2998086 PR |
1761 | if (inform_dataplane) { |
1762 | if (ipa_len) | |
1763 | /* if the mac is being created as a part of MAC-IP | |
1764 | * route wait for the neigh to be updated or | |
1765 | * created before programming the mac | |
1766 | */ | |
1767 | ctx->mac_dp_update_deferred = true; | |
1768 | else | |
1769 | /* program the local mac in the kernel. when the ES | |
1770 | * change we need to force the dataplane to reset | |
1771 | * the activity as we are yet to establish activity | |
1772 | * locally | |
1773 | */ | |
1774 | zebra_evpn_sync_mac_dp_install( | |
1775 | mac, ctx->mac_inactive, | |
1776 | false /* force_clear_static */, __func__); | |
1777 | } | |
24268cd0 | 1778 | |
b2998086 | 1779 | return mac; |
24268cd0 PR |
1780 | } |
1781 | ||
b2998086 PR |
1782 | /* update local fowarding info. return true if a dest-ES change |
1783 | * is detected | |
1784 | */ | |
d9d3455e PR |
1785 | static bool zebra_evpn_local_mac_update_fwd_info(zebra_mac_t *mac, |
1786 | struct interface *ifp, | |
1787 | vlanid_t vid) | |
24268cd0 | 1788 | { |
b2998086 PR |
1789 | struct zebra_if *zif = ifp->info; |
1790 | bool es_change; | |
47c58929 PG |
1791 | ns_id_t local_ns_id = NS_DEFAULT; |
1792 | struct zebra_vrf *zvrf; | |
1793 | ||
1794 | zvrf = zebra_vrf_lookup_by_id(ifp->vrf_id); | |
1795 | if (zvrf && zvrf->zns) | |
1796 | local_ns_id = zvrf->zns->ns_id; | |
24268cd0 | 1797 | |
b2998086 | 1798 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
24268cd0 | 1799 | |
b2998086 | 1800 | es_change = zebra_evpn_es_mac_ref_entry(mac, zif->es_info.es); |
24268cd0 | 1801 | |
b2998086 PR |
1802 | if (!mac->es) { |
1803 | /* if es is set fwd_info is not-relevant/taped-out */ | |
1804 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
47c58929 | 1805 | mac->fwd_info.local.ns_id = local_ns_id; |
b2998086 | 1806 | mac->fwd_info.local.vid = vid; |
24268cd0 PR |
1807 | } |
1808 | ||
b2998086 | 1809 | return es_change; |
24268cd0 PR |
1810 | } |
1811 | ||
24268cd0 | 1812 | /* Notify Local MACs to the clienti, skips GW MAC */ |
b2998086 PR |
1813 | static void zebra_evpn_send_mac_hash_entry_to_client(struct hash_bucket *bucket, |
1814 | void *arg) | |
24268cd0 PR |
1815 | { |
1816 | struct mac_walk_ctx *wctx = arg; | |
1817 | zebra_mac_t *zmac = bucket->data; | |
1818 | ||
1819 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_DEF_GW)) | |
1820 | return; | |
1821 | ||
1822 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) | |
b2998086 PR |
1823 | zebra_evpn_mac_send_add_to_client(wctx->zevpn->vni, |
1824 | &zmac->macaddr, zmac->flags, | |
1825 | zmac->loc_seq, zmac->es); | |
24268cd0 PR |
1826 | } |
1827 | ||
1828 | /* Iterator to Notify Local MACs of a EVPN */ | |
b2998086 | 1829 | void zebra_evpn_send_mac_list_to_client(zebra_evpn_t *zevpn) |
24268cd0 PR |
1830 | { |
1831 | struct mac_walk_ctx wctx; | |
1832 | ||
1833 | if (!zevpn->mac_table) | |
1834 | return; | |
1835 | ||
1836 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
1837 | wctx.zevpn = zevpn; | |
1838 | ||
b2998086 PR |
1839 | hash_iterate(zevpn->mac_table, zebra_evpn_send_mac_hash_entry_to_client, |
1840 | &wctx); | |
24268cd0 PR |
1841 | } |
1842 | ||
b2998086 | 1843 | void zebra_evpn_rem_mac_del(zebra_evpn_t *zevpn, zebra_mac_t *mac) |
24268cd0 | 1844 | { |
b2998086 PR |
1845 | zebra_evpn_process_neigh_on_remote_mac_del(zevpn, mac); |
1846 | /* the remote sequence number in the auto mac entry | |
1847 | * needs to be reset to 0 as the mac entry may have | |
1848 | * been removed on all VTEPs (including | |
1849 | * the originating one) | |
1850 | */ | |
1851 | mac->rem_seq = 0; | |
24268cd0 | 1852 | |
b2998086 PR |
1853 | /* If all remote neighbors referencing a remote MAC |
1854 | * go away, we need to uninstall the MAC. | |
1855 | */ | |
1856 | if (remote_neigh_count(mac) == 0) { | |
f3722826 | 1857 | zebra_evpn_rem_mac_uninstall(zevpn, mac, false /*force*/); |
b2998086 PR |
1858 | zebra_evpn_es_mac_deref_entry(mac); |
1859 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
24268cd0 PR |
1860 | } |
1861 | ||
b2998086 PR |
1862 | if (list_isempty(mac->neigh_list)) |
1863 | zebra_evpn_mac_del(zevpn, mac); | |
1864 | else | |
1865 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
24268cd0 PR |
1866 | } |
1867 | ||
b2998086 PR |
1868 | /* Print Duplicate MAC */ |
1869 | void zebra_evpn_print_dad_mac_hash(struct hash_bucket *bucket, void *ctxt) | |
24268cd0 | 1870 | { |
b2998086 | 1871 | zebra_mac_t *mac; |
24268cd0 | 1872 | |
b2998086 PR |
1873 | mac = (zebra_mac_t *)bucket->data; |
1874 | if (!mac) | |
1875 | return; | |
24268cd0 | 1876 | |
b2998086 PR |
1877 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) |
1878 | zebra_evpn_print_mac_hash(bucket, ctxt); | |
24268cd0 PR |
1879 | } |
1880 | ||
b2998086 PR |
1881 | /* Print Duplicate MAC in detail */ |
1882 | void zebra_evpn_print_dad_mac_hash_detail(struct hash_bucket *bucket, | |
1883 | void *ctxt) | |
24268cd0 | 1884 | { |
b2998086 | 1885 | zebra_mac_t *mac; |
24268cd0 | 1886 | |
b2998086 PR |
1887 | mac = (zebra_mac_t *)bucket->data; |
1888 | if (!mac) | |
1889 | return; | |
24268cd0 | 1890 | |
b2998086 PR |
1891 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) |
1892 | zebra_evpn_print_mac_hash_detail(bucket, ctxt); | |
24268cd0 | 1893 | } |
19fdd1be PR |
1894 | |
1895 | int process_mac_remote_macip_add(zebra_evpn_t *zevpn, struct zebra_vrf *zvrf, | |
1896 | struct ethaddr *macaddr, uint16_t ipa_len, | |
1897 | struct ipaddr *ipaddr, zebra_mac_t **macp, | |
1898 | struct in_addr vtep_ip, uint8_t flags, | |
1899 | uint32_t seq, esi_t *esi) | |
1900 | { | |
1901 | char buf[ETHER_ADDR_STRLEN]; | |
1902 | char buf1[INET6_ADDRSTRLEN]; | |
19fdd1be PR |
1903 | bool sticky; |
1904 | bool remote_gw; | |
1905 | int update_mac = 0; | |
1906 | bool do_dad = false; | |
1907 | bool is_dup_detect = false; | |
1908 | esi_t *old_esi; | |
1909 | bool old_static = false; | |
1910 | zebra_mac_t *mac; | |
1911 | ||
1912 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
1913 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
1914 | ||
1915 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
1916 | ||
1917 | /* Ignore if the mac is already present as a gateway mac */ | |
1918 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) | |
1919 | && CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
1920 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1921 | zlog_debug( | |
1922 | "Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
1923 | zevpn->vni, | |
1924 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1925 | ipa_len ? " IP " : "", | |
1926 | ipa_len ? ipaddr2str(ipaddr, buf1, sizeof(buf1)) | |
1927 | : ""); | |
1928 | return -1; | |
1929 | } | |
1930 | ||
1931 | old_esi = (mac && mac->es) ? &mac->es->esi : zero_esi; | |
1932 | ||
1933 | /* check if the remote MAC is unknown or has a change. | |
1934 | * If so, that needs to be updated first. Note that client could | |
1935 | * install MAC and MACIP separately or just install the latter. | |
1936 | */ | |
1937 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1938 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
1939 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
1940 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) | |
1941 | || memcmp(old_esi, esi, sizeof(esi_t)) || seq != mac->rem_seq) | |
1942 | update_mac = 1; | |
1943 | ||
1944 | if (update_mac) { | |
1945 | if (!mac) { | |
1946 | mac = zebra_evpn_mac_add(zevpn, macaddr); | |
1947 | if (!mac) { | |
1948 | zlog_warn( | |
9bcef951 | 1949 | "Failed to add MAC %s VNI %u Remote VTEP %pI4", |
19fdd1be PR |
1950 | prefix_mac2str(macaddr, buf, |
1951 | sizeof(buf)), | |
9bcef951 | 1952 | zevpn->vni, &vtep_ip); |
19fdd1be PR |
1953 | return -1; |
1954 | } | |
1955 | ||
1956 | zebra_evpn_es_mac_ref(mac, esi); | |
1957 | ||
1958 | /* Is this MAC created for a MACIP? */ | |
1959 | if (ipa_len) | |
1960 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
1961 | } else { | |
19fdd1be PR |
1962 | /* When host moves but changes its (MAC,IP) |
1963 | * binding, BGP may install a MACIP entry that | |
1964 | * corresponds to "older" location of the host | |
1965 | * in transient situations (because {IP1,M1} | |
1966 | * is a different route from {IP1,M2}). Check | |
1967 | * the sequence number and ignore this update | |
1968 | * if appropriate. | |
1969 | */ | |
16de1338 AK |
1970 | if (!zebra_evpn_mac_is_bgp_seq_ok( |
1971 | zevpn, mac, seq, ipa_len, ipaddr, false)) | |
19fdd1be | 1972 | return -1; |
c1735c08 AK |
1973 | |
1974 | zebra_evpn_es_mac_ref(mac, esi); | |
19fdd1be PR |
1975 | } |
1976 | ||
1977 | /* Check MAC's curent state is local (this is the case | |
1978 | * where MAC has moved from L->R) and check previous | |
1979 | * detection started via local learning. | |
1980 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
1981 | * event via local learning starts an M-second timer. | |
1982 | * | |
1983 | * VTEP-IP or seq. change alone is not considered | |
1984 | * for dup. detection. | |
1985 | * | |
1986 | * MAC is already marked duplicate set dad, then | |
1987 | * is_dup_detect will be set to not install the entry. | |
1988 | */ | |
1989 | if ((!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1990 | && mac->dad_count) | |
1991 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1992 | do_dad = true; | |
1993 | ||
1994 | /* Remove local MAC from BGP. */ | |
1995 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1996 | /* force drop the sync flags */ | |
1997 | old_static = zebra_evpn_mac_is_static(mac); | |
b16e8004 DS |
1998 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
1999 | char mac_buf[MAC_BUF_SIZE]; | |
2000 | ||
19fdd1be | 2001 | zlog_debug( |
b16e8004 | 2002 | "sync-mac->remote vni %u mac %s es %s seq %d f %s", |
19fdd1be PR |
2003 | zevpn->vni, |
2004 | prefix_mac2str(macaddr, buf, | |
2005 | sizeof(buf)), | |
2006 | mac->es ? mac->es->esi_str : "-", | |
b16e8004 DS |
2007 | mac->loc_seq, |
2008 | zebra_evpn_zebra_mac_flag_dump( | |
2009 | mac, mac_buf, sizeof(mac_buf))); | |
2010 | } | |
2011 | ||
19fdd1be PR |
2012 | zebra_evpn_mac_clear_sync_info(mac); |
2013 | zebra_evpn_mac_send_del_to_client(zevpn->vni, macaddr, | |
2014 | mac->flags, | |
2015 | false /* force */); | |
2016 | } | |
2017 | ||
2018 | /* Set "auto" and "remote" forwarding info. */ | |
2019 | UNSET_FLAG(mac->flags, ZEBRA_MAC_ALL_LOCAL_FLAGS); | |
2020 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
2021 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
2022 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
2023 | ||
2024 | if (sticky) | |
2025 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2026 | else | |
2027 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2028 | ||
2029 | if (remote_gw) | |
2030 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
2031 | else | |
2032 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
2033 | ||
2034 | zebra_evpn_dup_addr_detect_for_mac( | |
2035 | zvrf, mac, mac->fwd_info.r_vtep_ip, do_dad, | |
2036 | &is_dup_detect, false); | |
2037 | ||
2038 | if (!is_dup_detect) { | |
2039 | zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac); | |
2040 | /* Install the entry. */ | |
2041 | zebra_evpn_rem_mac_install(zevpn, mac, old_static); | |
2042 | } | |
2043 | } | |
2044 | ||
2045 | /* Update seq number. */ | |
2046 | mac->rem_seq = seq; | |
2047 | ||
2048 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
2049 | if (!ipa_len) { | |
2050 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
2051 | return -1; | |
2052 | } | |
2053 | *macp = mac; | |
2054 | return 0; | |
2055 | } | |
d9d3455e PR |
2056 | |
2057 | int zebra_evpn_add_update_local_mac(struct zebra_vrf *zvrf, zebra_evpn_t *zevpn, | |
2058 | struct interface *ifp, | |
2059 | struct ethaddr *macaddr, vlanid_t vid, | |
2060 | bool sticky, bool local_inactive, | |
2061 | bool dp_static) | |
2062 | { | |
2063 | zebra_mac_t *mac; | |
2064 | char buf[ETHER_ADDR_STRLEN]; | |
2065 | bool mac_sticky = false; | |
2066 | bool inform_client = false; | |
2067 | bool upd_neigh = false; | |
2068 | bool is_dup_detect = false; | |
2069 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2070 | bool es_change = false; | |
2071 | bool new_bgp_ready; | |
2072 | /* assume inactive if not present or if not local */ | |
2073 | bool old_local_inactive = true; | |
2074 | bool old_bgp_ready = false; | |
2075 | bool inform_dataplane = false; | |
2076 | bool new_static = false; | |
2077 | ||
2bdd4461 | 2078 | assert(ifp); |
d9d3455e PR |
2079 | /* Check if we need to create or update or it is a NO-OP. */ |
2080 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
2081 | if (!mac) { | |
2082 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2083 | zlog_debug( | |
2084 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u%s", | |
2085 | sticky ? "sticky " : "", | |
2086 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2087 | ifp->name, ifp->ifindex, vid, zevpn->vni, | |
2088 | local_inactive ? " local-inactive" : ""); | |
2089 | ||
2090 | mac = zebra_evpn_mac_add(zevpn, macaddr); | |
2091 | if (!mac) { | |
2092 | flog_err( | |
2093 | EC_ZEBRA_MAC_ADD_FAILED, | |
2094 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", | |
2095 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2096 | ifp->name, ifp->ifindex, vid, zevpn->vni); | |
2097 | return -1; | |
2098 | } | |
2099 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2100 | es_change = zebra_evpn_local_mac_update_fwd_info(mac, ifp, vid); | |
2101 | if (sticky) | |
2102 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2103 | inform_client = true; | |
2104 | } else { | |
b16e8004 DS |
2105 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
2106 | char mac_buf[MAC_BUF_SIZE]; | |
2107 | ||
d9d3455e | 2108 | zlog_debug( |
b16e8004 | 2109 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u %scurFlags %s", |
d9d3455e PR |
2110 | sticky ? "sticky " : "", |
2111 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2112 | ifp->name, ifp->ifindex, vid, zevpn->vni, | |
2113 | local_inactive ? "local-inactive " : "", | |
b16e8004 DS |
2114 | zebra_evpn_zebra_mac_flag_dump( |
2115 | mac, mac_buf, sizeof(mac_buf))); | |
2116 | } | |
d9d3455e PR |
2117 | |
2118 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
2119 | struct interface *old_ifp; | |
2120 | vlanid_t old_vid; | |
2121 | bool old_static; | |
2122 | ||
2123 | zebra_evpn_mac_get_access_info(mac, &old_ifp, &old_vid); | |
2124 | old_bgp_ready = | |
2125 | zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
2126 | old_local_inactive = | |
2127 | !!(mac->flags & ZEBRA_MAC_LOCAL_INACTIVE); | |
2128 | old_static = zebra_evpn_mac_is_static(mac); | |
2129 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
2130 | mac_sticky = true; | |
2131 | ||
2132 | /* | |
2133 | * Update any changes and if changes are relevant to | |
2134 | * BGP, note it. | |
2135 | */ | |
2136 | if (mac_sticky == sticky && old_ifp == ifp | |
2137 | && old_vid == vid | |
2138 | && old_local_inactive == local_inactive | |
2139 | && dp_static == old_static) { | |
2140 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2141 | zlog_debug( | |
2142 | " Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u%s, " | |
2143 | "entry exists and has not changed ", | |
2144 | sticky ? "sticky " : "", | |
2145 | prefix_mac2str(macaddr, buf, | |
2146 | sizeof(buf)), | |
2147 | ifp->name, ifp->ifindex, vid, | |
2148 | zevpn->vni, | |
2149 | local_inactive | |
2150 | ? " local_inactive" | |
2151 | : ""); | |
2152 | return 0; | |
2153 | } | |
2154 | if (mac_sticky != sticky) { | |
2155 | if (sticky) | |
2156 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2157 | else | |
2158 | UNSET_FLAG(mac->flags, | |
2159 | ZEBRA_MAC_STICKY); | |
2160 | inform_client = true; | |
2161 | } | |
2162 | ||
2163 | es_change = zebra_evpn_local_mac_update_fwd_info( | |
2164 | mac, ifp, vid); | |
2165 | /* If an es_change is detected we need to advertise | |
2166 | * the route with a sequence that is one | |
2167 | * greater. This is need to indicate a mac-move | |
2168 | * to the ES peers | |
2169 | */ | |
2170 | if (es_change) { | |
2171 | mac->loc_seq = mac->loc_seq + 1; | |
2172 | /* force drop the peer/sync info as it is | |
2173 | * simply no longer relevant | |
2174 | */ | |
2175 | if (CHECK_FLAG(mac->flags, | |
2176 | ZEBRA_MAC_ALL_PEER_FLAGS)) { | |
2177 | zebra_evpn_mac_clear_sync_info(mac); | |
2178 | new_static = | |
2179 | zebra_evpn_mac_is_static(mac); | |
2180 | /* if we clear peer-flags we | |
2181 | * also need to notify the dataplane | |
2182 | * to drop the static flag | |
2183 | */ | |
2184 | if (old_static != new_static) | |
2185 | inform_dataplane = true; | |
2186 | } | |
2187 | } | |
2188 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
2189 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
2190 | bool do_dad = false; | |
2191 | ||
2192 | /* | |
2193 | * MAC has either moved or was "internally" created due | |
2194 | * to a neighbor learn and is now actually learnt. If | |
2195 | * it was learnt as a remote sticky MAC, this is an | |
2196 | * operator error. | |
2197 | */ | |
2198 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { | |
2199 | flog_warn( | |
2200 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, | |
9bcef951 | 2201 | "MAC %s already learnt as remote sticky MAC behind VTEP %pI4 VNI %u", |
d9d3455e PR |
2202 | prefix_mac2str(macaddr, buf, |
2203 | sizeof(buf)), | |
9bcef951 | 2204 | &mac->fwd_info.r_vtep_ip, |
d9d3455e PR |
2205 | zevpn->vni); |
2206 | return 0; | |
2207 | } | |
2208 | ||
2209 | /* If an actual move, compute MAC's seq number */ | |
2210 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
2211 | mac->loc_seq = | |
2212 | MAX(mac->rem_seq + 1, mac->loc_seq); | |
2213 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2214 | /* Trigger DAD for remote MAC */ | |
2215 | do_dad = true; | |
2216 | } | |
2217 | ||
2218 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
2219 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
2220 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2221 | es_change = zebra_evpn_local_mac_update_fwd_info( | |
2222 | mac, ifp, vid); | |
2223 | if (sticky) | |
2224 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2225 | else | |
2226 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2227 | /* | |
2228 | * We have to inform BGP of this MAC as well as process | |
2229 | * all neighbors. | |
2230 | */ | |
2231 | inform_client = true; | |
2232 | upd_neigh = true; | |
2233 | ||
2234 | zebra_evpn_dup_addr_detect_for_mac( | |
2235 | zvrf, mac, vtep_ip, do_dad, &is_dup_detect, | |
2236 | true); | |
2237 | if (is_dup_detect) { | |
2238 | inform_client = false; | |
2239 | upd_neigh = false; | |
839dfe29 | 2240 | es_change = false; |
d9d3455e PR |
2241 | } |
2242 | } | |
2243 | } | |
2244 | ||
2245 | /* if the dataplane thinks the entry is sync but it is | |
69711b3f AK |
2246 | * not sync in zebra (or vice-versa) we need to re-install |
2247 | * to fixup | |
d9d3455e | 2248 | */ |
69711b3f AK |
2249 | new_static = zebra_evpn_mac_is_static(mac); |
2250 | if (dp_static != new_static) | |
2251 | inform_dataplane = true; | |
d9d3455e PR |
2252 | |
2253 | if (local_inactive) | |
2254 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE); | |
2255 | else | |
2256 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE); | |
2257 | ||
2258 | new_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
2259 | /* if local-activity has changed we need update bgp | |
2260 | * even if bgp already knows about the mac | |
2261 | */ | |
2262 | if ((old_local_inactive != local_inactive) | |
2263 | || (new_bgp_ready != old_bgp_ready)) { | |
b16e8004 DS |
2264 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
2265 | char mac_buf[MAC_BUF_SIZE]; | |
2266 | ||
d9d3455e | 2267 | zlog_debug( |
b16e8004 | 2268 | "local mac vni %u mac %s es %s seq %d f %s%s", |
d9d3455e PR |
2269 | zevpn->vni, |
2270 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2271 | mac->es ? mac->es->esi_str : "", mac->loc_seq, | |
b16e8004 DS |
2272 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, |
2273 | sizeof(mac_buf)), | |
2274 | local_inactive ? "local-inactive" : ""); | |
2275 | } | |
2276 | ||
839dfe29 CS |
2277 | if (!is_dup_detect) |
2278 | inform_client = true; | |
d9d3455e PR |
2279 | } |
2280 | ||
2281 | if (es_change) { | |
2282 | inform_client = true; | |
2283 | upd_neigh = true; | |
2284 | } | |
2285 | ||
2286 | /* Inform dataplane if required. */ | |
2287 | if (inform_dataplane) | |
2288 | zebra_evpn_sync_mac_dp_install(mac, false /* set_inactive */, | |
2289 | false /* force_clear_static */, | |
2290 | __func__); | |
2291 | ||
2292 | /* Inform BGP if required. */ | |
2293 | if (inform_client) | |
2294 | zebra_evpn_mac_send_add_del_to_client(mac, old_bgp_ready, | |
2295 | new_bgp_ready); | |
2296 | ||
2297 | /* Process all neighbors associated with this MAC, if required. */ | |
2298 | if (upd_neigh) | |
2299 | zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0, | |
2300 | es_change); | |
2301 | ||
2302 | return 0; | |
2303 | } | |
ad6ca5f4 PR |
2304 | |
2305 | int zebra_evpn_del_local_mac(zebra_evpn_t *zevpn, struct ethaddr *macaddr, | |
2306 | struct interface *ifp) | |
2307 | { | |
2308 | zebra_mac_t *mac; | |
2309 | char buf[ETHER_ADDR_STRLEN]; | |
2310 | bool old_bgp_ready; | |
2311 | bool new_bgp_ready; | |
2312 | /* If entry doesn't exist, nothing to do. */ | |
2313 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
2314 | if (!mac) | |
2315 | return 0; | |
2316 | ||
2317 | /* Is it a local entry? */ | |
2318 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2319 | return 0; | |
2320 | ||
b16e8004 DS |
2321 | if (IS_ZEBRA_DEBUG_VXLAN) { |
2322 | char mac_buf[MAC_BUF_SIZE]; | |
2323 | ||
ad6ca5f4 | 2324 | zlog_debug( |
b16e8004 | 2325 | "DEL MAC %s intf %s(%u) VID %u -> VNI %u seq %u flags %snbr count %u", |
ad6ca5f4 PR |
2326 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
2327 | ifp->ifindex, mac->fwd_info.local.vid, zevpn->vni, | |
b16e8004 DS |
2328 | mac->loc_seq, |
2329 | zebra_evpn_zebra_mac_flag_dump(mac, mac_buf, | |
2330 | sizeof(mac_buf)), | |
2331 | listcount(mac->neigh_list)); | |
2332 | } | |
ad6ca5f4 PR |
2333 | |
2334 | old_bgp_ready = zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
2335 | if (zebra_evpn_mac_is_static(mac)) { | |
2336 | /* this is a synced entry and can only be removed when the | |
2337 | * es-peers stop advertising it. | |
2338 | */ | |
2339 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
2340 | ||
b16e8004 DS |
2341 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) { |
2342 | char mac_buf[MAC_BUF_SIZE]; | |
2343 | ||
ad6ca5f4 | 2344 | zlog_debug( |
b16e8004 | 2345 | "re-add sync-mac vni %u mac %s es %s seq %d f %s", |
ad6ca5f4 PR |
2346 | zevpn->vni, |
2347 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2348 | mac->es ? mac->es->esi_str : "-", mac->loc_seq, | |
b16e8004 DS |
2349 | zebra_evpn_zebra_mac_flag_dump( |
2350 | mac, mac_buf, sizeof(mac_buf))); | |
2351 | } | |
ad6ca5f4 PR |
2352 | |
2353 | /* inform-bgp about change in local-activity if any */ | |
2354 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE)) { | |
2355 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL_INACTIVE); | |
2356 | new_bgp_ready = | |
2357 | zebra_evpn_mac_is_ready_for_bgp(mac->flags); | |
2358 | zebra_evpn_mac_send_add_del_to_client( | |
2359 | mac, old_bgp_ready, new_bgp_ready); | |
2360 | } | |
2361 | ||
1a4f9efd AK |
2362 | /* re-install the inactive entry in the kernel */ |
2363 | zebra_evpn_sync_mac_dp_install(mac, true /* set_inactive */, | |
ad6ca5f4 PR |
2364 | false /* force_clear_static */, |
2365 | __func__); | |
2366 | ||
2367 | return 0; | |
2368 | } | |
2369 | ||
2370 | /* Update all the neigh entries associated with this mac */ | |
2371 | zebra_evpn_process_neigh_on_local_mac_del(zevpn, mac); | |
2372 | ||
2373 | /* Remove MAC from BGP. */ | |
2374 | zebra_evpn_mac_send_del_to_client(zevpn->vni, macaddr, mac->flags, | |
2375 | false /* force */); | |
2376 | ||
2377 | zebra_evpn_es_mac_deref_entry(mac); | |
2378 | ||
2379 | /* | |
2380 | * If there are no neigh associated with the mac delete the mac | |
2381 | * else mark it as AUTO for forward reference | |
2382 | */ | |
2383 | if (!listcount(mac->neigh_list)) { | |
2384 | zebra_evpn_mac_del(zevpn, mac); | |
2385 | } else { | |
2386 | UNSET_FLAG(mac->flags, ZEBRA_MAC_ALL_LOCAL_FLAGS); | |
2387 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
2388 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
2389 | } | |
2390 | ||
2391 | return 0; | |
2392 | } | |
7bce3535 PR |
2393 | |
2394 | int zebra_evpn_mac_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn, | |
2395 | struct ipaddr *ip, zebra_mac_t **macp, | |
2396 | struct ethaddr *macaddr, vlanid_t vlan_id) | |
2397 | { | |
2398 | char buf[ETHER_ADDR_STRLEN]; | |
2399 | zebra_mac_t *mac; | |
47c58929 PG |
2400 | ns_id_t local_ns_id = NS_DEFAULT; |
2401 | struct zebra_vrf *zvrf; | |
2402 | ||
2403 | zvrf = zebra_vrf_lookup_by_id(ifp->vrf_id); | |
2404 | if (zvrf && zvrf->zns) | |
2405 | local_ns_id = zvrf->zns->ns_id; | |
7bce3535 PR |
2406 | |
2407 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
2408 | if (!mac) { | |
2409 | mac = zebra_evpn_mac_add(zevpn, macaddr); | |
2410 | if (!mac) { | |
2411 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, | |
2412 | "Failed to add MAC %s intf %s(%u) VID %u", | |
2413 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2414 | ifp->name, ifp->ifindex, vlan_id); | |
2415 | return -1; | |
2416 | } | |
2417 | } | |
2418 | ||
2419 | /* Set "local" forwarding info. */ | |
2420 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2421 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
2422 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); | |
2423 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
2424 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
47c58929 | 2425 | mac->fwd_info.local.ns_id = local_ns_id; |
7bce3535 PR |
2426 | mac->fwd_info.local.vid = vlan_id; |
2427 | ||
2428 | *macp = mac; | |
2429 | ||
2430 | return 0; | |
2431 | } |