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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" | |
26 | #include "if.h" | |
27 | #include "jhash.h" | |
28 | #include "linklist.h" | |
29 | #include "log.h" | |
30 | #include "memory.h" | |
31 | #include "prefix.h" | |
32 | #include "stream.h" | |
33 | #include "table.h" | |
34 | #include "vlan.h" | |
35 | #include "vxlan.h" | |
36 | #ifdef GNU_LINUX | |
37 | #include <linux/neighbour.h> | |
38 | #endif | |
39 | #include "lib/printfrr.h" | |
40 | ||
41 | #include "zebra/zebra_router.h" | |
42 | #include "zebra/debug.h" | |
43 | #include "zebra/interface.h" | |
44 | #include "zebra/rib.h" | |
45 | #include "zebra/rt.h" | |
46 | #include "zebra/rt_netlink.h" | |
47 | #include "zebra/zebra_errors.h" | |
48 | #include "zebra/zebra_l2.h" | |
49 | #include "zebra/zebra_ns.h" | |
50 | #include "zebra/zebra_vrf.h" | |
51 | #include "zebra/zebra_vxlan.h" | |
52 | #include "zebra/zebra_evpn.h" | |
53 | #include "zebra/zebra_evpn_mac.h" | |
54 | #include "zebra/zebra_evpn_neigh.h" | |
55 | #include "zebra/zebra_vxlan_private.h" | |
56 | #include "zebra/zebra_evpn_mh.h" | |
57 | #include "zebra/zebra_evpn_vxlan.h" | |
58 | #include "zebra/zebra_router.h" | |
59 | ||
60 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); | |
61 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); | |
62 | DEFINE_MTYPE_STATIC(ZEBRA, L3VNI_MAC, "EVPN L3VNI MAC"); | |
63 | DEFINE_MTYPE_STATIC(ZEBRA, L3NEIGH, "EVPN Neighbor"); | |
64 | DEFINE_MTYPE_STATIC(ZEBRA, ZVXLAN_SG, "zebra VxLAN multicast group"); | |
65 | DEFINE_MTYPE_STATIC(ZEBRA, EVPN_VTEP, "zebra VxLAN VTEP IP"); | |
66 | ||
67 | DEFINE_HOOK(zebra_rmac_update, | |
68 | (struct zebra_mac * rmac, struct zebra_l3vni *zl3vni, bool delete, | |
69 | const char *reason), | |
70 | (rmac, zl3vni, delete, reason)); | |
71 | ||
72 | /* config knobs */ | |
73 | static bool accept_bgp_seq = true; | |
74 | ||
75 | /* static function declarations */ | |
76 | static void zevpn_print_neigh_hash_all_evpn(struct hash_bucket *bucket, | |
77 | void **args); | |
78 | static void zl3vni_print_nh(struct zebra_neigh *n, struct vty *vty, | |
79 | json_object *json); | |
80 | static void zl3vni_print_rmac(struct zebra_mac *zrmac, struct vty *vty, | |
81 | json_object *json); | |
82 | static void zevpn_print_mac_hash_all_evpn(struct hash_bucket *bucket, void *ctxt); | |
83 | ||
84 | /* l3-vni next-hop neigh related APIs */ | |
85 | static struct zebra_neigh *zl3vni_nh_lookup(struct zebra_l3vni *zl3vni, | |
86 | const struct ipaddr *ip); | |
87 | static void *zl3vni_nh_alloc(void *p); | |
88 | static struct zebra_neigh *zl3vni_nh_add(struct zebra_l3vni *zl3vni, | |
89 | const struct ipaddr *vtep_ip, | |
90 | const struct ethaddr *rmac); | |
91 | static int zl3vni_nh_del(struct zebra_l3vni *zl3vni, struct zebra_neigh *n); | |
92 | static int zl3vni_nh_install(struct zebra_l3vni *zl3vni, struct zebra_neigh *n); | |
93 | static int zl3vni_nh_uninstall(struct zebra_l3vni *zl3vni, | |
94 | struct zebra_neigh *n); | |
95 | ||
96 | /* l3-vni rmac related APIs */ | |
97 | static void zl3vni_print_rmac_hash(struct hash_bucket *, void *); | |
98 | static struct zebra_mac *zl3vni_rmac_lookup(struct zebra_l3vni *zl3vni, | |
99 | const struct ethaddr *rmac); | |
100 | static void *zl3vni_rmac_alloc(void *p); | |
101 | static struct zebra_mac *zl3vni_rmac_add(struct zebra_l3vni *zl3vni, | |
102 | const struct ethaddr *rmac); | |
103 | static int zl3vni_rmac_del(struct zebra_l3vni *zl3vni, struct zebra_mac *zrmac); | |
104 | static int zl3vni_rmac_install(struct zebra_l3vni *zl3vni, | |
105 | struct zebra_mac *zrmac); | |
106 | static int zl3vni_rmac_uninstall(struct zebra_l3vni *zl3vni, | |
107 | struct zebra_mac *zrmac); | |
108 | ||
109 | /* l3-vni related APIs*/ | |
110 | static void *zl3vni_alloc(void *p); | |
111 | static struct zebra_l3vni *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
112 | static int zl3vni_del(struct zebra_l3vni *zl3vni); | |
113 | static void zebra_vxlan_process_l3vni_oper_up(struct zebra_l3vni *zl3vni); | |
114 | static void zebra_vxlan_process_l3vni_oper_down(struct zebra_l3vni *zl3vni); | |
115 | ||
116 | static void zevpn_build_hash_table(void); | |
117 | static unsigned int zebra_vxlan_sg_hash_key_make(const void *p); | |
118 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2); | |
119 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
120 | struct in_addr sip, struct in_addr mcast_grp); | |
121 | static struct zebra_vxlan_sg *zebra_vxlan_sg_do_ref(struct zebra_vrf *vrf, | |
122 | struct in_addr sip, | |
123 | struct in_addr mcast_grp); | |
124 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, | |
125 | struct in_addr mcast_grp); | |
126 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
127 | struct in_addr mcast_grp); | |
128 | static void zebra_vxlan_cleanup_sg_table(struct zebra_vrf *zvrf); | |
129 | ||
130 | bool zebra_evpn_do_dup_addr_detect(struct zebra_vrf *zvrf) | |
131 | { | |
132 | return zvrf->dup_addr_detect && zebra_evpn_mh_do_dup_addr_detect(); | |
133 | } | |
134 | ||
135 | /* Private functions */ | |
136 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, | |
137 | const struct host_rb_entry *hle2) | |
138 | { | |
139 | if (hle1->p.family < hle2->p.family) | |
140 | return -1; | |
141 | ||
142 | if (hle1->p.family > hle2->p.family) | |
143 | return 1; | |
144 | ||
145 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
146 | return -1; | |
147 | ||
148 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
149 | return 1; | |
150 | ||
151 | if (hle1->p.family == AF_INET) { | |
152 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
153 | return -1; | |
154 | ||
155 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
156 | return 1; | |
157 | ||
158 | return 0; | |
159 | } else if (hle1->p.family == AF_INET6) { | |
160 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
161 | IPV6_MAX_BYTELEN); | |
162 | } else if (hle1->p.family == AF_EVPN) { | |
163 | uint8_t family1; | |
164 | uint8_t family2; | |
165 | ||
166 | /* two (v4/v6) dummy prefixes of route_type BGP_EVPN_AD_ROUTE | |
167 | * are used for all nexthops associated with a non-zero ESI | |
168 | */ | |
169 | family1 = is_evpn_prefix_ipaddr_v4( | |
170 | (const struct prefix_evpn *)&hle1->p) | |
171 | ? AF_INET | |
172 | : AF_INET6; | |
173 | family2 = is_evpn_prefix_ipaddr_v4( | |
174 | (const struct prefix_evpn *)&hle2->p) | |
175 | ? AF_INET | |
176 | : AF_INET6; | |
177 | ||
178 | ||
179 | if (family1 < family2) | |
180 | return -1; | |
181 | ||
182 | if (family1 > family2) | |
183 | return 1; | |
184 | ||
185 | return 0; | |
186 | } else { | |
187 | zlog_debug("%s: Unexpected family type: %d", __func__, | |
188 | hle1->p.family); | |
189 | return 0; | |
190 | } | |
191 | } | |
192 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); | |
193 | ||
194 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) | |
195 | { | |
196 | struct host_rb_entry *hle; | |
197 | uint32_t count = 0; | |
198 | ||
199 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) | |
200 | count++; | |
201 | ||
202 | return count; | |
203 | } | |
204 | ||
205 | static int l3vni_rmac_nh_list_cmp(void *p1, void *p2) | |
206 | { | |
207 | const struct ipaddr *vtep_ip1 = p1; | |
208 | const struct ipaddr *vtep_ip2 = p2; | |
209 | ||
210 | return !ipaddr_cmp(vtep_ip1, vtep_ip2); | |
211 | } | |
212 | ||
213 | static void l3vni_rmac_nh_free(struct ipaddr *vtep_ip) | |
214 | { | |
215 | XFREE(MTYPE_EVPN_VTEP, vtep_ip); | |
216 | } | |
217 | ||
218 | static void l3vni_rmac_nh_list_nh_delete(struct zebra_l3vni *zl3vni, | |
219 | struct zebra_mac *zrmac, | |
220 | struct ipaddr *vtep_ip) | |
221 | { | |
222 | struct listnode *node = NULL, *nnode = NULL; | |
223 | struct ipaddr *vtep = NULL; | |
224 | ||
225 | for (ALL_LIST_ELEMENTS(zrmac->nh_list, node, nnode, vtep)) { | |
226 | if (ipaddr_cmp(vtep, vtep_ip) == 0) | |
227 | break; | |
228 | } | |
229 | ||
230 | if (node) { | |
231 | l3vni_rmac_nh_free(vtep); | |
232 | list_delete_node(zrmac->nh_list, node); | |
233 | } | |
234 | } | |
235 | ||
236 | /* | |
237 | * Print neighbors for all EVPN. | |
238 | */ | |
239 | static void zevpn_print_neigh_hash_all_evpn(struct hash_bucket *bucket, | |
240 | void **args) | |
241 | { | |
242 | struct vty *vty; | |
243 | json_object *json = NULL, *json_evpn = NULL; | |
244 | struct zebra_evpn *zevpn; | |
245 | uint32_t num_neigh; | |
246 | struct neigh_walk_ctx wctx; | |
247 | char vni_str[VNI_STR_LEN]; | |
248 | uint32_t print_dup; | |
249 | ||
250 | vty = (struct vty *)args[0]; | |
251 | json = (json_object *)args[1]; | |
252 | print_dup = (uint32_t)(uintptr_t)args[2]; | |
253 | ||
254 | zevpn = (struct zebra_evpn *)bucket->data; | |
255 | ||
256 | num_neigh = hashcount(zevpn->neigh_table); | |
257 | ||
258 | if (print_dup) | |
259 | num_neigh = num_dup_detected_neighs(zevpn); | |
260 | ||
261 | if (json == NULL) { | |
262 | vty_out(vty, | |
263 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
264 | zevpn->vni, num_neigh); | |
265 | } else { | |
266 | json_evpn = json_object_new_object(); | |
267 | json_object_int_add(json_evpn, "numArpNd", num_neigh); | |
268 | snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni); | |
269 | } | |
270 | ||
271 | if (!num_neigh) { | |
272 | if (json) | |
273 | json_object_object_add(json, vni_str, json_evpn); | |
274 | return; | |
275 | } | |
276 | ||
277 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
278 | * size, we try to be a bit more elegant in display by first computing | |
279 | * the maximum width. | |
280 | */ | |
281 | memset(&wctx, 0, sizeof(wctx)); | |
282 | wctx.zevpn = zevpn; | |
283 | wctx.vty = vty; | |
284 | wctx.addr_width = 15; | |
285 | wctx.json = json_evpn; | |
286 | hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width, | |
287 | &wctx); | |
288 | ||
289 | if (json == NULL) | |
290 | zebra_evpn_print_neigh_hdr(vty, &wctx); | |
291 | ||
292 | if (print_dup) | |
293 | hash_iterate(zevpn->neigh_table, | |
294 | zebra_evpn_print_dad_neigh_hash, &wctx); | |
295 | else | |
296 | hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash, | |
297 | &wctx); | |
298 | ||
299 | if (json) | |
300 | json_object_object_add(json, vni_str, json_evpn); | |
301 | } | |
302 | ||
303 | /* | |
304 | * Print neighbors for all EVPNs in detail. | |
305 | */ | |
306 | static void zevpn_print_neigh_hash_all_evpn_detail(struct hash_bucket *bucket, | |
307 | void **args) | |
308 | { | |
309 | struct vty *vty; | |
310 | json_object *json = NULL, *json_evpn = NULL; | |
311 | struct zebra_evpn *zevpn; | |
312 | uint32_t num_neigh; | |
313 | struct neigh_walk_ctx wctx; | |
314 | char vni_str[VNI_STR_LEN]; | |
315 | uint32_t print_dup; | |
316 | ||
317 | vty = (struct vty *)args[0]; | |
318 | json = (json_object *)args[1]; | |
319 | print_dup = (uint32_t)(uintptr_t)args[2]; | |
320 | ||
321 | zevpn = (struct zebra_evpn *)bucket->data; | |
322 | if (!zevpn) { | |
323 | if (json) | |
324 | vty_out(vty, "{}\n"); | |
325 | return; | |
326 | } | |
327 | num_neigh = hashcount(zevpn->neigh_table); | |
328 | ||
329 | if (print_dup && num_dup_detected_neighs(zevpn) == 0) | |
330 | return; | |
331 | ||
332 | if (json == NULL) { | |
333 | vty_out(vty, | |
334 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
335 | zevpn->vni, num_neigh); | |
336 | } else { | |
337 | json_evpn = json_object_new_object(); | |
338 | json_object_int_add(json_evpn, "numArpNd", num_neigh); | |
339 | snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni); | |
340 | } | |
341 | if (!num_neigh) { | |
342 | if (json) | |
343 | json_object_object_add(json, vni_str, json_evpn); | |
344 | return; | |
345 | } | |
346 | ||
347 | memset(&wctx, 0, sizeof(wctx)); | |
348 | wctx.zevpn = zevpn; | |
349 | wctx.vty = vty; | |
350 | wctx.addr_width = 15; | |
351 | wctx.json = json_evpn; | |
352 | ||
353 | if (print_dup) | |
354 | hash_iterate(zevpn->neigh_table, | |
355 | zebra_evpn_print_dad_neigh_hash_detail, &wctx); | |
356 | else | |
357 | hash_iterate(zevpn->neigh_table, | |
358 | zebra_evpn_print_neigh_hash_detail, &wctx); | |
359 | ||
360 | if (json) | |
361 | json_object_object_add(json, vni_str, json_evpn); | |
362 | } | |
363 | ||
364 | /* print a specific next hop for an l3vni */ | |
365 | static void zl3vni_print_nh(struct zebra_neigh *n, struct vty *vty, | |
366 | json_object *json) | |
367 | { | |
368 | char buf1[ETHER_ADDR_STRLEN]; | |
369 | char buf2[INET6_ADDRSTRLEN]; | |
370 | json_object *json_hosts = NULL; | |
371 | struct host_rb_entry *hle; | |
372 | ||
373 | if (!json) { | |
374 | vty_out(vty, "Ip: %s\n", | |
375 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
376 | vty_out(vty, " RMAC: %s\n", | |
377 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
378 | vty_out(vty, " Refcount: %d\n", | |
379 | rb_host_count(&n->host_rb)); | |
380 | vty_out(vty, " Prefixes:\n"); | |
381 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) | |
382 | vty_out(vty, " %pFX\n", &hle->p); | |
383 | } else { | |
384 | json_hosts = json_object_new_array(); | |
385 | json_object_string_add( | |
386 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
387 | json_object_string_add( | |
388 | json, "routerMac", | |
389 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
390 | json_object_int_add(json, "refCount", | |
391 | rb_host_count(&n->host_rb)); | |
392 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) | |
393 | json_object_array_add(json_hosts, | |
394 | json_object_new_string(prefix2str( | |
395 | &hle->p, buf2, sizeof(buf2)))); | |
396 | json_object_object_add(json, "prefixList", json_hosts); | |
397 | } | |
398 | } | |
399 | ||
400 | /* Print a specific RMAC entry */ | |
401 | static void zl3vni_print_rmac(struct zebra_mac *zrmac, struct vty *vty, | |
402 | json_object *json) | |
403 | { | |
404 | struct listnode *node = NULL; | |
405 | struct ipaddr *vtep = NULL; | |
406 | json_object *json_nhs = NULL; | |
407 | ||
408 | if (!json) { | |
409 | vty_out(vty, "MAC: %pEA\n", &zrmac->macaddr); | |
410 | vty_out(vty, " Remote VTEP: %pI4\n", | |
411 | &zrmac->fwd_info.r_vtep_ip); | |
412 | } else { | |
413 | json_nhs = json_object_new_array(); | |
414 | json_object_string_addf(json, "routerMac", "%pEA", | |
415 | &zrmac->macaddr); | |
416 | json_object_string_addf(json, "vtepIp", "%pI4", | |
417 | &zrmac->fwd_info.r_vtep_ip); | |
418 | for (ALL_LIST_ELEMENTS_RO(zrmac->nh_list, node, vtep)) { | |
419 | json_object_array_add(json_nhs, json_object_new_stringf( | |
420 | "%pIA", vtep)); | |
421 | } | |
422 | json_object_object_add(json, "nexthops", json_nhs); | |
423 | } | |
424 | } | |
425 | ||
426 | /* | |
427 | * Print MACs for all EVPNs. | |
428 | */ | |
429 | static void zevpn_print_mac_hash_all_evpn(struct hash_bucket *bucket, void *ctxt) | |
430 | { | |
431 | struct vty *vty; | |
432 | json_object *json = NULL, *json_evpn = NULL; | |
433 | json_object *json_mac = NULL; | |
434 | struct zebra_evpn *zevpn; | |
435 | uint32_t num_macs; | |
436 | struct mac_walk_ctx *wctx = ctxt; | |
437 | char vni_str[VNI_STR_LEN]; | |
438 | ||
439 | vty = wctx->vty; | |
440 | json = wctx->json; | |
441 | ||
442 | zevpn = (struct zebra_evpn *)bucket->data; | |
443 | wctx->zevpn = zevpn; | |
444 | ||
445 | /*We are iterating over a new VNI, set the count to 0*/ | |
446 | wctx->count = 0; | |
447 | ||
448 | num_macs = num_valid_macs(zevpn); | |
449 | if (!num_macs) | |
450 | return; | |
451 | ||
452 | if (wctx->print_dup) | |
453 | num_macs = num_dup_detected_macs(zevpn); | |
454 | ||
455 | if (json) { | |
456 | json_evpn = json_object_new_object(); | |
457 | json_mac = json_object_new_object(); | |
458 | snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni); | |
459 | } | |
460 | ||
461 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { | |
462 | if (json == NULL) { | |
463 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
464 | zevpn->vni, num_macs); | |
465 | vty_out(vty, | |
466 | "Flags: N=sync-neighs, I=local-inactive, P=peer-active, X=peer-proxy\n"); | |
467 | vty_out(vty, "%-17s %-6s %-5s %-30s %-5s %s\n", "MAC", | |
468 | "Type", "Flags", "Intf/Remote ES/VTEP", | |
469 | "VLAN", "Seq #'s"); | |
470 | } else | |
471 | json_object_int_add(json_evpn, "numMacs", num_macs); | |
472 | } | |
473 | ||
474 | if (!num_macs) { | |
475 | if (json) { | |
476 | json_object_int_add(json_evpn, "numMacs", num_macs); | |
477 | json_object_object_add(json, vni_str, json_evpn); | |
478 | } | |
479 | return; | |
480 | } | |
481 | ||
482 | /* assign per-evpn to wctx->json object to fill macs | |
483 | * under the evpn. Re-assign primary json object to fill | |
484 | * next evpn information. | |
485 | */ | |
486 | wctx->json = json_mac; | |
487 | if (wctx->print_dup) | |
488 | hash_iterate(zevpn->mac_table, zebra_evpn_print_dad_mac_hash, | |
489 | wctx); | |
490 | else | |
491 | hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, wctx); | |
492 | wctx->json = json; | |
493 | if (json) { | |
494 | if (wctx->count) | |
495 | json_object_object_add(json_evpn, "macs", json_mac); | |
496 | json_object_object_add(json, vni_str, json_evpn); | |
497 | } | |
498 | } | |
499 | ||
500 | /* | |
501 | * Print MACs in detail for all EVPNs. | |
502 | */ | |
503 | static void zevpn_print_mac_hash_all_evpn_detail(struct hash_bucket *bucket, | |
504 | void *ctxt) | |
505 | { | |
506 | struct vty *vty; | |
507 | json_object *json = NULL, *json_evpn = NULL; | |
508 | json_object *json_mac = NULL; | |
509 | struct zebra_evpn *zevpn; | |
510 | uint32_t num_macs; | |
511 | struct mac_walk_ctx *wctx = ctxt; | |
512 | char vni_str[VNI_STR_LEN]; | |
513 | ||
514 | vty = wctx->vty; | |
515 | json = wctx->json; | |
516 | ||
517 | zevpn = (struct zebra_evpn *)bucket->data; | |
518 | if (!zevpn) { | |
519 | if (json) | |
520 | vty_out(vty, "{}\n"); | |
521 | return; | |
522 | } | |
523 | wctx->zevpn = zevpn; | |
524 | ||
525 | /*We are iterating over a new EVPN, set the count to 0*/ | |
526 | wctx->count = 0; | |
527 | ||
528 | num_macs = num_valid_macs(zevpn); | |
529 | if (!num_macs) | |
530 | return; | |
531 | ||
532 | if (wctx->print_dup && (num_dup_detected_macs(zevpn) == 0)) | |
533 | return; | |
534 | ||
535 | if (json) { | |
536 | json_evpn = json_object_new_object(); | |
537 | json_mac = json_object_new_object(); | |
538 | snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni); | |
539 | } | |
540 | ||
541 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { | |
542 | if (json == NULL) { | |
543 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
544 | zevpn->vni, num_macs); | |
545 | } else | |
546 | json_object_int_add(json_evpn, "numMacs", num_macs); | |
547 | } | |
548 | /* assign per-evpn to wctx->json object to fill macs | |
549 | * under the evpn. Re-assign primary json object to fill | |
550 | * next evpn information. | |
551 | */ | |
552 | wctx->json = json_mac; | |
553 | if (wctx->print_dup) | |
554 | hash_iterate(zevpn->mac_table, | |
555 | zebra_evpn_print_dad_mac_hash_detail, wctx); | |
556 | else | |
557 | hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash_detail, | |
558 | wctx); | |
559 | wctx->json = json; | |
560 | if (json) { | |
561 | if (wctx->count) | |
562 | json_object_object_add(json_evpn, "macs", json_mac); | |
563 | json_object_object_add(json, vni_str, json_evpn); | |
564 | } | |
565 | } | |
566 | ||
567 | static void zl3vni_print_nh_hash(struct hash_bucket *bucket, void *ctx) | |
568 | { | |
569 | struct nh_walk_ctx *wctx = NULL; | |
570 | struct vty *vty = NULL; | |
571 | struct json_object *json_evpn = NULL; | |
572 | struct json_object *json_nh = NULL; | |
573 | struct zebra_neigh *n = NULL; | |
574 | char buf1[ETHER_ADDR_STRLEN]; | |
575 | char buf2[INET6_ADDRSTRLEN]; | |
576 | ||
577 | wctx = (struct nh_walk_ctx *)ctx; | |
578 | vty = wctx->vty; | |
579 | json_evpn = wctx->json; | |
580 | if (json_evpn) | |
581 | json_nh = json_object_new_object(); | |
582 | n = (struct zebra_neigh *)bucket->data; | |
583 | ||
584 | if (!json_evpn) { | |
585 | vty_out(vty, "%-15s %-17s\n", | |
586 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
587 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
588 | } else { | |
589 | json_object_string_add(json_nh, "nexthopIp", | |
590 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
591 | json_object_string_add( | |
592 | json_nh, "routerMac", | |
593 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
594 | json_object_object_add(json_evpn, | |
595 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
596 | json_nh); | |
597 | } | |
598 | } | |
599 | ||
600 | static void zl3vni_print_nh_hash_all_vni(struct hash_bucket *bucket, | |
601 | void **args) | |
602 | { | |
603 | struct vty *vty = NULL; | |
604 | json_object *json = NULL; | |
605 | json_object *json_evpn = NULL; | |
606 | struct zebra_l3vni *zl3vni = NULL; | |
607 | uint32_t num_nh = 0; | |
608 | struct nh_walk_ctx wctx; | |
609 | char vni_str[VNI_STR_LEN]; | |
610 | ||
611 | vty = (struct vty *)args[0]; | |
612 | json = (struct json_object *)args[1]; | |
613 | ||
614 | zl3vni = (struct zebra_l3vni *)bucket->data; | |
615 | ||
616 | num_nh = hashcount(zl3vni->nh_table); | |
617 | if (!num_nh) | |
618 | return; | |
619 | ||
620 | if (json) { | |
621 | json_evpn = json_object_new_object(); | |
622 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
623 | } | |
624 | ||
625 | if (json == NULL) { | |
626 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); | |
627 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); | |
628 | } else | |
629 | json_object_int_add(json_evpn, "numNextHops", num_nh); | |
630 | ||
631 | memset(&wctx, 0, sizeof(wctx)); | |
632 | wctx.vty = vty; | |
633 | wctx.json = json_evpn; | |
634 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
635 | if (json) | |
636 | json_object_object_add(json, vni_str, json_evpn); | |
637 | } | |
638 | ||
639 | static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket *bucket, | |
640 | void **args) | |
641 | { | |
642 | struct vty *vty = NULL; | |
643 | json_object *json = NULL; | |
644 | json_object *json_evpn = NULL; | |
645 | struct zebra_l3vni *zl3vni = NULL; | |
646 | uint32_t num_rmacs; | |
647 | struct rmac_walk_ctx wctx; | |
648 | char vni_str[VNI_STR_LEN]; | |
649 | ||
650 | vty = (struct vty *)args[0]; | |
651 | json = (struct json_object *)args[1]; | |
652 | ||
653 | zl3vni = (struct zebra_l3vni *)bucket->data; | |
654 | ||
655 | num_rmacs = hashcount(zl3vni->rmac_table); | |
656 | if (!num_rmacs) | |
657 | return; | |
658 | ||
659 | if (json) { | |
660 | json_evpn = json_object_new_object(); | |
661 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
662 | } | |
663 | ||
664 | if (json == NULL) { | |
665 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); | |
666 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); | |
667 | } else | |
668 | json_object_int_add(json_evpn, "numRmacs", num_rmacs); | |
669 | ||
670 | /* assign per-vni to wctx->json object to fill macs | |
671 | * under the vni. Re-assign primary json object to fill | |
672 | * next vni information. | |
673 | */ | |
674 | memset(&wctx, 0, sizeof(wctx)); | |
675 | wctx.vty = vty; | |
676 | wctx.json = json_evpn; | |
677 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
678 | if (json) | |
679 | json_object_object_add(json, vni_str, json_evpn); | |
680 | } | |
681 | ||
682 | static void zl3vni_print_rmac_hash(struct hash_bucket *bucket, void *ctx) | |
683 | { | |
684 | struct zebra_mac *zrmac = NULL; | |
685 | struct rmac_walk_ctx *wctx = NULL; | |
686 | struct vty *vty = NULL; | |
687 | struct json_object *json = NULL; | |
688 | struct json_object *json_rmac = NULL; | |
689 | char buf[PREFIX_STRLEN]; | |
690 | ||
691 | wctx = (struct rmac_walk_ctx *)ctx; | |
692 | vty = wctx->vty; | |
693 | json = wctx->json; | |
694 | if (json) | |
695 | json_rmac = json_object_new_object(); | |
696 | zrmac = (struct zebra_mac *)bucket->data; | |
697 | ||
698 | if (!json) { | |
699 | vty_out(vty, "%-17s %-21pI4\n", | |
700 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
701 | &zrmac->fwd_info.r_vtep_ip); | |
702 | } else { | |
703 | json_object_string_add( | |
704 | json_rmac, "routerMac", | |
705 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
706 | json_object_string_addf(json_rmac, "vtepIp", "%pI4", | |
707 | &zrmac->fwd_info.r_vtep_ip); | |
708 | json_object_object_add( | |
709 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
710 | json_rmac); | |
711 | } | |
712 | } | |
713 | ||
714 | /* print a specific L3 VNI entry */ | |
715 | static void zl3vni_print(struct zebra_l3vni *zl3vni, void **ctx) | |
716 | { | |
717 | char buf[PREFIX_STRLEN]; | |
718 | struct vty *vty = NULL; | |
719 | json_object *json = NULL; | |
720 | struct zebra_evpn *zevpn = NULL; | |
721 | json_object *json_evpn_list = NULL; | |
722 | struct listnode *node = NULL, *nnode = NULL; | |
723 | ||
724 | vty = ctx[0]; | |
725 | json = ctx[1]; | |
726 | ||
727 | if (!json) { | |
728 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
729 | vty_out(vty, " Type: %s\n", "L3"); | |
730 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); | |
731 | vty_out(vty, " Local Vtep Ip: %pI4\n", | |
732 | &zl3vni->local_vtep_ip); | |
733 | vty_out(vty, " Vxlan-Intf: %s\n", | |
734 | zl3vni_vxlan_if_name(zl3vni)); | |
735 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); | |
736 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
737 | vty_out(vty, " VNI Filter: %s\n", | |
738 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
739 | ? "prefix-routes-only" | |
740 | : "none"); | |
741 | vty_out(vty, " System MAC: %s\n", | |
742 | zl3vni_sysmac2str(zl3vni, buf, sizeof(buf))); | |
743 | vty_out(vty, " Router MAC: %s\n", | |
744 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
745 | vty_out(vty, " L2 VNIs: "); | |
746 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zevpn)) | |
747 | vty_out(vty, "%u ", zevpn->vni); | |
748 | vty_out(vty, "\n"); | |
749 | } else { | |
750 | json_evpn_list = json_object_new_array(); | |
751 | json_object_int_add(json, "vni", zl3vni->vni); | |
752 | json_object_string_add(json, "type", "L3"); | |
753 | json_object_string_addf(json, "localVtepIp", "%pI4", | |
754 | &zl3vni->local_vtep_ip); | |
755 | json_object_string_add(json, "vxlanIntf", | |
756 | zl3vni_vxlan_if_name(zl3vni)); | |
757 | json_object_string_add(json, "sviIntf", | |
758 | zl3vni_svi_if_name(zl3vni)); | |
759 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); | |
760 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
761 | json_object_string_add( | |
762 | json, "sysMac", | |
763 | zl3vni_sysmac2str(zl3vni, buf, sizeof(buf))); | |
764 | json_object_string_add( | |
765 | json, "routerMac", | |
766 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
767 | json_object_string_add( | |
768 | json, "vniFilter", | |
769 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
770 | ? "prefix-routes-only" | |
771 | : "none"); | |
772 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zevpn)) { | |
773 | json_object_array_add(json_evpn_list, | |
774 | json_object_new_int(zevpn->vni)); | |
775 | } | |
776 | json_object_object_add(json, "l2Vnis", json_evpn_list); | |
777 | } | |
778 | } | |
779 | ||
780 | /* print a L3 VNI hash entry */ | |
781 | static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[]) | |
782 | { | |
783 | struct vty *vty = NULL; | |
784 | json_object *json = NULL; | |
785 | json_object *json_evpn = NULL; | |
786 | struct zebra_l3vni *zl3vni = NULL; | |
787 | ||
788 | vty = (struct vty *)ctx[0]; | |
789 | json = (json_object *)ctx[1]; | |
790 | ||
791 | zl3vni = (struct zebra_l3vni *)bucket->data; | |
792 | ||
793 | if (!json) { | |
794 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", | |
795 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
796 | hashcount(zl3vni->rmac_table), | |
797 | hashcount(zl3vni->nh_table), "n/a", | |
798 | zl3vni_vrf_name(zl3vni)); | |
799 | } else { | |
800 | char vni_str[VNI_STR_LEN]; | |
801 | ||
802 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
803 | json_evpn = json_object_new_object(); | |
804 | json_object_int_add(json_evpn, "vni", zl3vni->vni); | |
805 | json_object_string_add(json_evpn, "vxlanIf", | |
806 | zl3vni_vxlan_if_name(zl3vni)); | |
807 | json_object_int_add(json_evpn, "numMacs", | |
808 | hashcount(zl3vni->rmac_table)); | |
809 | json_object_int_add(json_evpn, "numArpNd", | |
810 | hashcount(zl3vni->nh_table)); | |
811 | json_object_string_add(json_evpn, "numRemoteVteps", "n/a"); | |
812 | json_object_string_add(json_evpn, "type", "L3"); | |
813 | json_object_string_add(json_evpn, "tenantVrf", | |
814 | zl3vni_vrf_name(zl3vni)); | |
815 | json_object_object_add(json, vni_str, json_evpn); | |
816 | } | |
817 | } | |
818 | ||
819 | /* print a L3 VNI hash entry in detail*/ | |
820 | static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data) | |
821 | { | |
822 | struct vty *vty = NULL; | |
823 | struct zebra_l3vni *zl3vni = NULL; | |
824 | json_object *json_array = NULL; | |
825 | bool use_json = false; | |
826 | struct zebra_evpn_show *zes = data; | |
827 | ||
828 | vty = zes->vty; | |
829 | json_array = zes->json; | |
830 | use_json = zes->use_json; | |
831 | ||
832 | zl3vni = (struct zebra_l3vni *)bucket->data; | |
833 | ||
834 | zebra_vxlan_print_vni(vty, zes->zvrf, zl3vni->vni, | |
835 | use_json, json_array); | |
836 | ||
837 | if (!use_json) | |
838 | vty_out(vty, "\n"); | |
839 | } | |
840 | ||
841 | static int zvni_map_to_svi_ns(struct ns *ns, | |
842 | void *_in_param, | |
843 | void **_p_ifp) | |
844 | { | |
845 | struct zebra_ns *zns = ns->info; | |
846 | struct route_node *rn; | |
847 | struct zebra_from_svi_param *in_param = | |
848 | (struct zebra_from_svi_param *)_in_param; | |
849 | struct zebra_l2info_vlan *vl; | |
850 | struct interface *tmp_if = NULL; | |
851 | struct interface **p_ifp = (struct interface **)_p_ifp; | |
852 | struct zebra_if *zif; | |
853 | ||
854 | assert(in_param && p_ifp); | |
855 | ||
856 | /* TODO: Optimize with a hash. */ | |
857 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
858 | tmp_if = (struct interface *)rn->info; | |
859 | /* Check oper status of the SVI. */ | |
860 | if (!tmp_if || !if_is_operative(tmp_if)) | |
861 | continue; | |
862 | zif = tmp_if->info; | |
863 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
864 | || zif->link != in_param->br_if) | |
865 | continue; | |
866 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
867 | ||
868 | if (vl->vid == in_param->vid) { | |
869 | *p_ifp = tmp_if; | |
870 | return NS_WALK_STOP; | |
871 | } | |
872 | } | |
873 | return NS_WALK_CONTINUE; | |
874 | } | |
875 | ||
876 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
877 | * of two cases: | |
878 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
879 | * linked to the bridge | |
880 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge interface | |
881 | * itself | |
882 | */ | |
883 | struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) | |
884 | { | |
885 | struct interface *tmp_if = NULL; | |
886 | struct zebra_if *zif; | |
887 | struct zebra_l2info_bridge *br; | |
888 | struct zebra_from_svi_param in_param; | |
889 | struct interface **p_ifp; | |
890 | /* Defensive check, caller expected to invoke only with valid bridge. */ | |
891 | if (!br_if) | |
892 | return NULL; | |
893 | ||
894 | /* Determine if bridge is VLAN-aware or not */ | |
895 | zif = br_if->info; | |
896 | assert(zif); | |
897 | br = &zif->l2info.br; | |
898 | in_param.bridge_vlan_aware = br->vlan_aware; | |
899 | /* Check oper status of the SVI. */ | |
900 | if (!in_param.bridge_vlan_aware) | |
901 | return if_is_operative(br_if) ? br_if : NULL; | |
902 | ||
903 | in_param.vid = vid; | |
904 | in_param.br_if = br_if; | |
905 | in_param.zif = NULL; | |
906 | p_ifp = &tmp_if; | |
907 | /* Identify corresponding VLAN interface. */ | |
908 | ns_walk_func(zvni_map_to_svi_ns, (void *)&in_param, | |
909 | (void **)p_ifp); | |
910 | return tmp_if; | |
911 | } | |
912 | ||
913 | static int zebra_evpn_vxlan_del(struct zebra_evpn *zevpn) | |
914 | { | |
915 | zevpn_vxlan_if_set(zevpn, zevpn->vxlan_if, false /* set */); | |
916 | ||
917 | /* Remove references to the BUM mcast grp */ | |
918 | zebra_vxlan_sg_deref(zevpn->local_vtep_ip, zevpn->mcast_grp); | |
919 | ||
920 | return zebra_evpn_del(zevpn); | |
921 | } | |
922 | ||
923 | static int zevpn_build_hash_table_zns(struct ns *ns, | |
924 | void *param_in __attribute__((unused)), | |
925 | void **param_out __attribute__((unused))) | |
926 | { | |
927 | struct zebra_ns *zns = ns->info; | |
928 | struct route_node *rn; | |
929 | struct interface *ifp; | |
930 | struct zebra_vrf *zvrf; | |
931 | ||
932 | zvrf = zebra_vrf_get_evpn(); | |
933 | ||
934 | /* Walk VxLAN interfaces and create EVPN hash. */ | |
935 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
936 | vni_t vni; | |
937 | struct zebra_evpn *zevpn = NULL; | |
938 | struct zebra_l3vni *zl3vni = NULL; | |
939 | struct zebra_if *zif; | |
940 | struct zebra_l2info_vxlan *vxl; | |
941 | ||
942 | ifp = (struct interface *)rn->info; | |
943 | if (!ifp) | |
944 | continue; | |
945 | zif = ifp->info; | |
946 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
947 | continue; | |
948 | ||
949 | vxl = &zif->l2info.vxl; | |
950 | vni = vxl->vni; | |
951 | /* link of VXLAN interface should be in zebra_evpn_vrf */ | |
952 | if (zvrf->zns->ns_id != vxl->link_nsid) { | |
953 | if (IS_ZEBRA_DEBUG_VXLAN) | |
954 | zlog_debug( | |
955 | "Intf %s(%u) VNI %u, link not in same " | |
956 | "namespace than BGP EVPN core instance ", | |
957 | ifp->name, ifp->ifindex, vni); | |
958 | continue; | |
959 | } | |
960 | /* L3-VNI and L2-VNI are handled seperately */ | |
961 | zl3vni = zl3vni_lookup(vni); | |
962 | if (zl3vni) { | |
963 | ||
964 | if (IS_ZEBRA_DEBUG_VXLAN) | |
965 | zlog_debug( | |
966 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
967 | ifp->name, ifp->ifindex, vni); | |
968 | ||
969 | /* associate with vxlan_if */ | |
970 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
971 | zl3vni->vxlan_if = ifp; | |
972 | ||
973 | /* | |
974 | * we need to associate with SVI. | |
975 | * we can associate with svi-if only after association | |
976 | * with vxlan-intf is complete | |
977 | */ | |
978 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
979 | ||
980 | /* Associate l3vni to mac-vlan and extract VRR MAC */ | |
981 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); | |
982 | ||
983 | if (IS_ZEBRA_DEBUG_VXLAN) | |
984 | zlog_debug("create l3vni %u svi_if %s mac_vlan_if %s", | |
985 | vni, zl3vni->svi_if ? zl3vni->svi_if->name | |
986 | : "NIL", | |
987 | zl3vni->mac_vlan_if ? | |
988 | zl3vni->mac_vlan_if->name : "NIL"); | |
989 | ||
990 | if (is_l3vni_oper_up(zl3vni)) | |
991 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
992 | ||
993 | } else { | |
994 | struct interface *vlan_if = NULL; | |
995 | ||
996 | if (IS_ZEBRA_DEBUG_VXLAN) | |
997 | zlog_debug( | |
998 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %pI4", | |
999 | ifp->name, ifp->ifindex, vni, | |
1000 | &vxl->vtep_ip); | |
1001 | ||
1002 | /* EVPN hash entry is expected to exist, if the BGP process is killed */ | |
1003 | zevpn = zebra_evpn_lookup(vni); | |
1004 | if (zevpn) { | |
1005 | zlog_debug( | |
1006 | "EVPN hash already present for IF %s(%u) L2-VNI %u", | |
1007 | ifp->name, ifp->ifindex, vni); | |
1008 | ||
1009 | /* | |
1010 | * Inform BGP if intf is up and mapped to | |
1011 | * bridge. | |
1012 | */ | |
1013 | if (if_is_operative(ifp) && | |
1014 | zif->brslave_info.br_if) | |
1015 | zebra_evpn_send_add_to_client(zevpn); | |
1016 | ||
1017 | /* Send Local MAC-entries to client */ | |
1018 | zebra_evpn_send_mac_list_to_client(zevpn); | |
1019 | ||
1020 | /* Send Loval Neighbor entries to client */ | |
1021 | zebra_evpn_send_neigh_to_client(zevpn); | |
1022 | } else { | |
1023 | zevpn = zebra_evpn_add(vni); | |
1024 | if (!zevpn) { | |
1025 | zlog_debug( | |
1026 | "Failed to add EVPN hash, IF %s(%u) L2-VNI %u", | |
1027 | ifp->name, ifp->ifindex, vni); | |
1028 | return NS_WALK_CONTINUE; | |
1029 | } | |
1030 | ||
1031 | if (zevpn->local_vtep_ip.s_addr != | |
1032 | vxl->vtep_ip.s_addr || | |
1033 | zevpn->mcast_grp.s_addr != | |
1034 | vxl->mcast_grp.s_addr) { | |
1035 | zebra_vxlan_sg_deref( | |
1036 | zevpn->local_vtep_ip, | |
1037 | zevpn->mcast_grp); | |
1038 | zebra_vxlan_sg_ref(vxl->vtep_ip, | |
1039 | vxl->mcast_grp); | |
1040 | zevpn->local_vtep_ip = vxl->vtep_ip; | |
1041 | zevpn->mcast_grp = vxl->mcast_grp; | |
1042 | /* on local vtep-ip check if ES | |
1043 | * orig-ip needs to be updated | |
1044 | */ | |
1045 | zebra_evpn_es_set_base_evpn(zevpn); | |
1046 | } | |
1047 | zevpn_vxlan_if_set(zevpn, ifp, true /* set */); | |
1048 | vlan_if = zvni_map_to_svi( | |
1049 | vxl->access_vlan, | |
1050 | zif->brslave_info.br_if); | |
1051 | if (vlan_if) { | |
1052 | zevpn->svi_if = vlan_if; | |
1053 | zevpn->vrf_id = vlan_if->vrf->vrf_id; | |
1054 | zl3vni = zl3vni_from_vrf( | |
1055 | vlan_if->vrf->vrf_id); | |
1056 | if (zl3vni) | |
1057 | listnode_add_sort( | |
1058 | zl3vni->l2vnis, zevpn); | |
1059 | } | |
1060 | ||
1061 | /* | |
1062 | * Inform BGP if intf is up and mapped to | |
1063 | * bridge. | |
1064 | */ | |
1065 | if (if_is_operative(ifp) && | |
1066 | zif->brslave_info.br_if) | |
1067 | zebra_evpn_send_add_to_client(zevpn); | |
1068 | } | |
1069 | } | |
1070 | } | |
1071 | return NS_WALK_CONTINUE; | |
1072 | } | |
1073 | ||
1074 | /* | |
1075 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
1076 | * is called when EVPN (advertise-all-vni) is enabled. | |
1077 | */ | |
1078 | ||
1079 | static void zevpn_build_hash_table(void) | |
1080 | { | |
1081 | ns_walk_func(zevpn_build_hash_table_zns, NULL, NULL); | |
1082 | } | |
1083 | ||
1084 | /* | |
1085 | * Cleanup EVPN/VTEP and update kernel | |
1086 | */ | |
1087 | static void zebra_evpn_vxlan_cleanup_all(struct hash_bucket *bucket, void *arg) | |
1088 | { | |
1089 | struct zebra_evpn *zevpn = NULL; | |
1090 | struct zebra_l3vni *zl3vni = NULL; | |
1091 | ||
1092 | zevpn = (struct zebra_evpn *)bucket->data; | |
1093 | ||
1094 | /* remove l2vni from l2vni's tenant-vrf l3-vni list */ | |
1095 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
1096 | if (zl3vni) | |
1097 | listnode_delete(zl3vni->l2vnis, zevpn); | |
1098 | ||
1099 | zebra_evpn_cleanup_all(bucket, arg); | |
1100 | } | |
1101 | ||
1102 | /* cleanup L3VNI */ | |
1103 | static void zl3vni_cleanup_all(struct hash_bucket *bucket, void *args) | |
1104 | { | |
1105 | struct zebra_l3vni *zl3vni = NULL; | |
1106 | ||
1107 | zl3vni = (struct zebra_l3vni *)bucket->data; | |
1108 | ||
1109 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
1110 | } | |
1111 | ||
1112 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, | |
1113 | const struct prefix *host) | |
1114 | { | |
1115 | struct host_rb_entry lookup; | |
1116 | struct host_rb_entry *hle; | |
1117 | ||
1118 | memset(&lookup, 0, sizeof(lookup)); | |
1119 | memcpy(&lookup.p, host, sizeof(*host)); | |
1120 | ||
1121 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); | |
1122 | if (hle) | |
1123 | return; | |
1124 | ||
1125 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
1126 | memcpy(hle, &lookup, sizeof(lookup)); | |
1127 | ||
1128 | RB_INSERT(host_rb_tree_entry, hrbe, hle); | |
1129 | } | |
1130 | ||
1131 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) | |
1132 | { | |
1133 | struct host_rb_entry lookup; | |
1134 | struct host_rb_entry *hle; | |
1135 | ||
1136 | memset(&lookup, 0, sizeof(lookup)); | |
1137 | memcpy(&lookup.p, host, sizeof(*host)); | |
1138 | ||
1139 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); | |
1140 | if (hle) { | |
1141 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); | |
1142 | XFREE(MTYPE_HOST_PREFIX, hle); | |
1143 | } | |
1144 | ||
1145 | return; | |
1146 | } | |
1147 | ||
1148 | /* | |
1149 | * Look up MAC hash entry. | |
1150 | */ | |
1151 | static struct zebra_mac *zl3vni_rmac_lookup(struct zebra_l3vni *zl3vni, | |
1152 | const struct ethaddr *rmac) | |
1153 | { | |
1154 | struct zebra_mac tmp; | |
1155 | struct zebra_mac *pmac; | |
1156 | ||
1157 | memset(&tmp, 0, sizeof(tmp)); | |
1158 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
1159 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
1160 | ||
1161 | return pmac; | |
1162 | } | |
1163 | ||
1164 | /* | |
1165 | * Callback to allocate RMAC hash entry. | |
1166 | */ | |
1167 | static void *zl3vni_rmac_alloc(void *p) | |
1168 | { | |
1169 | const struct zebra_mac *tmp_rmac = p; | |
1170 | struct zebra_mac *zrmac; | |
1171 | ||
1172 | zrmac = XCALLOC(MTYPE_L3VNI_MAC, sizeof(struct zebra_mac)); | |
1173 | *zrmac = *tmp_rmac; | |
1174 | ||
1175 | return ((void *)zrmac); | |
1176 | } | |
1177 | ||
1178 | /* | |
1179 | * Add RMAC entry to l3-vni | |
1180 | */ | |
1181 | static struct zebra_mac *zl3vni_rmac_add(struct zebra_l3vni *zl3vni, | |
1182 | const struct ethaddr *rmac) | |
1183 | { | |
1184 | struct zebra_mac tmp_rmac; | |
1185 | struct zebra_mac *zrmac = NULL; | |
1186 | ||
1187 | memset(&tmp_rmac, 0, sizeof(tmp_rmac)); | |
1188 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
1189 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
1190 | zrmac->nh_list = list_new(); | |
1191 | zrmac->nh_list->cmp = (int (*)(void *, void *))l3vni_rmac_nh_list_cmp; | |
1192 | zrmac->nh_list->del = (void (*)(void *))l3vni_rmac_nh_free; | |
1193 | ||
1194 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); | |
1195 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
1196 | ||
1197 | return zrmac; | |
1198 | } | |
1199 | ||
1200 | /* | |
1201 | * Delete MAC entry. | |
1202 | */ | |
1203 | static int zl3vni_rmac_del(struct zebra_l3vni *zl3vni, struct zebra_mac *zrmac) | |
1204 | { | |
1205 | struct zebra_mac *tmp_rmac; | |
1206 | ||
1207 | /* free the list of nh list*/ | |
1208 | list_delete(&zrmac->nh_list); | |
1209 | ||
1210 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); | |
1211 | XFREE(MTYPE_L3VNI_MAC, tmp_rmac); | |
1212 | ||
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | /* | |
1217 | * Install remote RMAC into the forwarding plane. | |
1218 | */ | |
1219 | static int zl3vni_rmac_install(struct zebra_l3vni *zl3vni, | |
1220 | struct zebra_mac *zrmac) | |
1221 | { | |
1222 | const struct zebra_if *zif = NULL, *br_zif = NULL; | |
1223 | const struct zebra_l2info_vxlan *vxl = NULL; | |
1224 | const struct interface *br_ifp; | |
1225 | enum zebra_dplane_result res; | |
1226 | vlanid_t vid; | |
1227 | ||
1228 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) | |
1229 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
1230 | return 0; | |
1231 | ||
1232 | zif = zl3vni->vxlan_if->info; | |
1233 | if (!zif) | |
1234 | return -1; | |
1235 | ||
1236 | br_ifp = zif->brslave_info.br_if; | |
1237 | if (br_ifp == NULL) | |
1238 | return -1; | |
1239 | ||
1240 | vxl = &zif->l2info.vxl; | |
1241 | ||
1242 | br_zif = (const struct zebra_if *)br_ifp->info; | |
1243 | ||
1244 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
1245 | vid = vxl->access_vlan; | |
1246 | else | |
1247 | vid = 0; | |
1248 | ||
1249 | res = dplane_rem_mac_add(zl3vni->vxlan_if, br_ifp, vid, | |
1250 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0, 0, | |
1251 | false /*was_static*/); | |
1252 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
1253 | return 0; | |
1254 | else | |
1255 | return -1; | |
1256 | } | |
1257 | ||
1258 | /* | |
1259 | * Uninstall remote RMAC from the forwarding plane. | |
1260 | */ | |
1261 | static int zl3vni_rmac_uninstall(struct zebra_l3vni *zl3vni, | |
1262 | struct zebra_mac *zrmac) | |
1263 | { | |
1264 | const struct zebra_if *zif = NULL, *br_zif; | |
1265 | const struct zebra_l2info_vxlan *vxl = NULL; | |
1266 | const struct interface *br_ifp; | |
1267 | vlanid_t vid; | |
1268 | enum zebra_dplane_result res; | |
1269 | ||
1270 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) | |
1271 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
1272 | return 0; | |
1273 | ||
1274 | if (!zl3vni->vxlan_if) { | |
1275 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1276 | zlog_debug( | |
1277 | "RMAC %pEA on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", | |
1278 | &zrmac->macaddr, zl3vni->vni, zl3vni); | |
1279 | return -1; | |
1280 | } | |
1281 | ||
1282 | zif = zl3vni->vxlan_if->info; | |
1283 | if (!zif) | |
1284 | return -1; | |
1285 | ||
1286 | br_ifp = zif->brslave_info.br_if; | |
1287 | if (br_ifp == NULL) | |
1288 | return -1; | |
1289 | ||
1290 | vxl = &zif->l2info.vxl; | |
1291 | ||
1292 | br_zif = (const struct zebra_if *)br_ifp->info; | |
1293 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
1294 | vid = vxl->access_vlan; | |
1295 | else | |
1296 | vid = 0; | |
1297 | ||
1298 | res = dplane_rem_mac_del(zl3vni->vxlan_if, br_ifp, vid, | |
1299 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); | |
1300 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
1301 | return 0; | |
1302 | else | |
1303 | return -1; | |
1304 | } | |
1305 | ||
1306 | /* handle rmac add */ | |
1307 | static int zl3vni_remote_rmac_add(struct zebra_l3vni *zl3vni, | |
1308 | const struct ethaddr *rmac, | |
1309 | const struct ipaddr *vtep_ip) | |
1310 | { | |
1311 | struct zebra_mac *zrmac = NULL; | |
1312 | struct ipaddr *vtep = NULL; | |
1313 | ||
1314 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
1315 | if (!zrmac) { | |
1316 | ||
1317 | /* Create the RMAC entry, or update its vtep, if necessary. */ | |
1318 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
1319 | if (!zrmac) { | |
1320 | zlog_debug( | |
1321 | "Failed to add RMAC %pEA L3VNI %u Remote VTEP %pIA", | |
1322 | rmac, zl3vni->vni, vtep_ip); | |
1323 | return -1; | |
1324 | } | |
1325 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
1326 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
1327 | ||
1328 | vtep = XCALLOC(MTYPE_EVPN_VTEP, sizeof(struct ipaddr)); | |
1329 | memcpy(vtep, vtep_ip, sizeof(struct ipaddr)); | |
1330 | if (!listnode_add_sort_nodup(zrmac->nh_list, (void *)vtep)) | |
1331 | XFREE(MTYPE_EVPN_VTEP, vtep); | |
1332 | ||
1333 | /* Send RMAC for FPM processing */ | |
1334 | hook_call(zebra_rmac_update, zrmac, zl3vni, false, | |
1335 | "new RMAC added"); | |
1336 | ||
1337 | /* install rmac in kernel */ | |
1338 | zl3vni_rmac_install(zl3vni, zrmac); | |
1339 | } else if (!IPV4_ADDR_SAME(&zrmac->fwd_info.r_vtep_ip, | |
1340 | &vtep_ip->ipaddr_v4)) { | |
1341 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1342 | zlog_debug( | |
1343 | "L3VNI %u Remote VTEP change(%pI4 -> %pIA) for RMAC %pEA", | |
1344 | zl3vni->vni, &zrmac->fwd_info.r_vtep_ip, | |
1345 | vtep_ip, rmac); | |
1346 | ||
1347 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
1348 | ||
1349 | vtep = XCALLOC(MTYPE_EVPN_VTEP, sizeof(struct ipaddr)); | |
1350 | memcpy(vtep, vtep_ip, sizeof(struct ipaddr)); | |
1351 | if (!listnode_add_sort_nodup(zrmac->nh_list, (void *)vtep)) | |
1352 | XFREE(MTYPE_EVPN_VTEP, vtep); | |
1353 | ||
1354 | /* install rmac in kernel */ | |
1355 | zl3vni_rmac_install(zl3vni, zrmac); | |
1356 | } | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | ||
1362 | /* handle rmac delete */ | |
1363 | static void zl3vni_remote_rmac_del(struct zebra_l3vni *zl3vni, | |
1364 | struct zebra_mac *zrmac, | |
1365 | struct ipaddr *vtep_ip) | |
1366 | { | |
1367 | struct ipaddr ipv4_vtep; | |
1368 | ||
1369 | if (!zl3vni_nh_lookup(zl3vni, vtep_ip)) { | |
1370 | memset(&ipv4_vtep, 0, sizeof(ipv4_vtep)); | |
1371 | ipv4_vtep.ipa_type = IPADDR_V4; | |
1372 | if (vtep_ip->ipa_type == IPADDR_V6) | |
1373 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
1374 | &ipv4_vtep.ipaddr_v4); | |
1375 | else | |
1376 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
1377 | sizeof(struct in_addr)); | |
1378 | ||
1379 | /* remove nh from rmac's list */ | |
1380 | l3vni_rmac_nh_list_nh_delete(zl3vni, zrmac, &ipv4_vtep); | |
1381 | /* delete nh is same as current selected, fall back to | |
1382 | * one present in the list | |
1383 | */ | |
1384 | if (IPV4_ADDR_SAME(&zrmac->fwd_info.r_vtep_ip, | |
1385 | &ipv4_vtep.ipaddr_v4) && | |
1386 | listcount(zrmac->nh_list)) { | |
1387 | struct ipaddr *vtep; | |
1388 | ||
1389 | vtep = listgetdata(listhead(zrmac->nh_list)); | |
1390 | zrmac->fwd_info.r_vtep_ip = vtep->ipaddr_v4; | |
1391 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1392 | zlog_debug( | |
1393 | "L3VNI %u Remote VTEP nh change(%pIA -> %pI4) for RMAC %pEA", | |
1394 | zl3vni->vni, &ipv4_vtep, | |
1395 | &zrmac->fwd_info.r_vtep_ip, | |
1396 | &zrmac->macaddr); | |
1397 | ||
1398 | /* install rmac in kernel */ | |
1399 | zl3vni_rmac_install(zl3vni, zrmac); | |
1400 | } | |
1401 | ||
1402 | if (!listcount(zrmac->nh_list)) { | |
1403 | /* uninstall from kernel */ | |
1404 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
1405 | ||
1406 | /* Send RMAC for FPM processing */ | |
1407 | hook_call(zebra_rmac_update, zrmac, zl3vni, true, | |
1408 | "RMAC deleted"); | |
1409 | ||
1410 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1411 | zlog_debug( | |
1412 | "L3VNI %u RMAC %pEA vtep_ip %pIA delete", | |
1413 | zl3vni->vni, &zrmac->macaddr, vtep_ip); | |
1414 | ||
1415 | /* del the rmac entry */ | |
1416 | zl3vni_rmac_del(zl3vni, zrmac); | |
1417 | } | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | /* | |
1422 | * Look up nh hash entry on a l3-vni. | |
1423 | */ | |
1424 | static struct zebra_neigh *zl3vni_nh_lookup(struct zebra_l3vni *zl3vni, | |
1425 | const struct ipaddr *ip) | |
1426 | { | |
1427 | struct zebra_neigh tmp; | |
1428 | struct zebra_neigh *n; | |
1429 | ||
1430 | memset(&tmp, 0, sizeof(tmp)); | |
1431 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1432 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
1433 | ||
1434 | return n; | |
1435 | } | |
1436 | ||
1437 | ||
1438 | /* | |
1439 | * Callback to allocate NH hash entry on L3-VNI. | |
1440 | */ | |
1441 | static void *zl3vni_nh_alloc(void *p) | |
1442 | { | |
1443 | const struct zebra_neigh *tmp_n = p; | |
1444 | struct zebra_neigh *n; | |
1445 | ||
1446 | n = XCALLOC(MTYPE_L3NEIGH, sizeof(struct zebra_neigh)); | |
1447 | *n = *tmp_n; | |
1448 | ||
1449 | return ((void *)n); | |
1450 | } | |
1451 | ||
1452 | /* | |
1453 | * Add neighbor entry. | |
1454 | */ | |
1455 | static struct zebra_neigh *zl3vni_nh_add(struct zebra_l3vni *zl3vni, | |
1456 | const struct ipaddr *ip, | |
1457 | const struct ethaddr *mac) | |
1458 | { | |
1459 | struct zebra_neigh tmp_n; | |
1460 | struct zebra_neigh *n = NULL; | |
1461 | ||
1462 | memset(&tmp_n, 0, sizeof(tmp_n)); | |
1463 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1464 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
1465 | ||
1466 | RB_INIT(host_rb_tree_entry, &n->host_rb); | |
1467 | ||
1468 | memcpy(&n->emac, mac, ETH_ALEN); | |
1469 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
1470 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
1471 | ||
1472 | return n; | |
1473 | } | |
1474 | ||
1475 | /* | |
1476 | * Delete neighbor entry. | |
1477 | */ | |
1478 | static int zl3vni_nh_del(struct zebra_l3vni *zl3vni, struct zebra_neigh *n) | |
1479 | { | |
1480 | struct zebra_neigh *tmp_n; | |
1481 | struct host_rb_entry *hle; | |
1482 | ||
1483 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { | |
1484 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
1485 | ||
1486 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); | |
1487 | XFREE(MTYPE_HOST_PREFIX, hle); | |
1488 | } | |
1489 | ||
1490 | tmp_n = hash_release(zl3vni->nh_table, n); | |
1491 | XFREE(MTYPE_L3NEIGH, tmp_n); | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | /* | |
1497 | * Install remote nh as neigh into the kernel. | |
1498 | */ | |
1499 | static int zl3vni_nh_install(struct zebra_l3vni *zl3vni, struct zebra_neigh *n) | |
1500 | { | |
1501 | uint8_t flags; | |
1502 | int ret = 0; | |
1503 | ||
1504 | if (!is_l3vni_oper_up(zl3vni)) | |
1505 | return -1; | |
1506 | ||
1507 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) | |
1508 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
1509 | return 0; | |
1510 | ||
1511 | flags = DPLANE_NTF_EXT_LEARNED; | |
1512 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1513 | flags |= DPLANE_NTF_ROUTER; | |
1514 | ||
1515 | dplane_rem_neigh_add(zl3vni->svi_if, &n->ip, &n->emac, flags, | |
1516 | false /*was_static*/); | |
1517 | ||
1518 | return ret; | |
1519 | } | |
1520 | ||
1521 | /* | |
1522 | * Uninstall remote nh from the kernel. | |
1523 | */ | |
1524 | static int zl3vni_nh_uninstall(struct zebra_l3vni *zl3vni, | |
1525 | struct zebra_neigh *n) | |
1526 | { | |
1527 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) | |
1528 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
1529 | return 0; | |
1530 | ||
1531 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) | |
1532 | return 0; | |
1533 | ||
1534 | dplane_rem_neigh_delete(zl3vni->svi_if, &n->ip); | |
1535 | ||
1536 | return 0; | |
1537 | } | |
1538 | ||
1539 | /* add remote vtep as a neigh entry */ | |
1540 | static int zl3vni_remote_nh_add(struct zebra_l3vni *zl3vni, | |
1541 | const struct ipaddr *vtep_ip, | |
1542 | const struct ethaddr *rmac, | |
1543 | const struct prefix *host_prefix) | |
1544 | { | |
1545 | struct zebra_neigh *nh = NULL; | |
1546 | ||
1547 | /* Create the next hop entry, or update its mac, if necessary. */ | |
1548 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
1549 | if (!nh) { | |
1550 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
1551 | if (!nh) { | |
1552 | zlog_debug( | |
1553 | "Failed to add NH %pIA as Neigh (RMAC %pEA L3-VNI %u prefix %pFX)", | |
1554 | vtep_ip, rmac, zl3vni->vni, host_prefix); | |
1555 | return -1; | |
1556 | } | |
1557 | ||
1558 | /* install the nh neigh in kernel */ | |
1559 | zl3vni_nh_install(zl3vni, nh); | |
1560 | } else if (memcmp(&nh->emac, rmac, ETH_ALEN) != 0) { | |
1561 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1562 | zlog_debug( | |
1563 | "L3VNI %u RMAC change(%pEA --> %pEA) for nexthop %pIA, prefix %pFX", | |
1564 | zl3vni->vni, &nh->emac, rmac, vtep_ip, | |
1565 | host_prefix); | |
1566 | ||
1567 | memcpy(&nh->emac, rmac, ETH_ALEN); | |
1568 | /* install (update) the nh neigh in kernel */ | |
1569 | zl3vni_nh_install(zl3vni, nh); | |
1570 | } | |
1571 | ||
1572 | rb_find_or_add_host(&nh->host_rb, host_prefix); | |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | /* handle nh neigh delete */ | |
1578 | static void zl3vni_remote_nh_del(struct zebra_l3vni *zl3vni, | |
1579 | struct zebra_neigh *nh, | |
1580 | struct prefix *host_prefix) | |
1581 | { | |
1582 | rb_delete_host(&nh->host_rb, host_prefix); | |
1583 | ||
1584 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { | |
1585 | /* uninstall from kernel */ | |
1586 | zl3vni_nh_uninstall(zl3vni, nh); | |
1587 | ||
1588 | /* delete the nh entry */ | |
1589 | zl3vni_nh_del(zl3vni, nh); | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | /* handle neigh update from kernel - the only thing of interest is to | |
1594 | * readd stale entries. | |
1595 | */ | |
1596 | static int zl3vni_local_nh_add_update(struct zebra_l3vni *zl3vni, | |
1597 | struct ipaddr *ip, uint16_t state) | |
1598 | { | |
1599 | #ifdef GNU_LINUX | |
1600 | struct zebra_neigh *n = NULL; | |
1601 | ||
1602 | n = zl3vni_nh_lookup(zl3vni, ip); | |
1603 | if (!n) | |
1604 | return 0; | |
1605 | ||
1606 | /* all next hop neigh are remote and installed by frr. | |
1607 | * If the kernel has aged this entry, re-install. | |
1608 | */ | |
1609 | if (state & NUD_STALE) | |
1610 | zl3vni_nh_install(zl3vni, n); | |
1611 | #endif | |
1612 | return 0; | |
1613 | } | |
1614 | ||
1615 | /* handle neigh delete from kernel */ | |
1616 | static int zl3vni_local_nh_del(struct zebra_l3vni *zl3vni, struct ipaddr *ip) | |
1617 | { | |
1618 | struct zebra_neigh *n = NULL; | |
1619 | ||
1620 | n = zl3vni_nh_lookup(zl3vni, ip); | |
1621 | if (!n) | |
1622 | return 0; | |
1623 | ||
1624 | /* all next hop neigh are remote and installed by frr. | |
1625 | * If we get an age out notification for these neigh entries, we have to | |
1626 | * install it back | |
1627 | */ | |
1628 | zl3vni_nh_install(zl3vni, n); | |
1629 | ||
1630 | return 0; | |
1631 | } | |
1632 | ||
1633 | /* | |
1634 | * Hash function for L3 VNI. | |
1635 | */ | |
1636 | static unsigned int l3vni_hash_keymake(const void *p) | |
1637 | { | |
1638 | const struct zebra_l3vni *zl3vni = p; | |
1639 | ||
1640 | return jhash_1word(zl3vni->vni, 0); | |
1641 | } | |
1642 | ||
1643 | /* | |
1644 | * Compare 2 L3 VNI hash entries. | |
1645 | */ | |
1646 | static bool l3vni_hash_cmp(const void *p1, const void *p2) | |
1647 | { | |
1648 | const struct zebra_l3vni *zl3vni1 = p1; | |
1649 | const struct zebra_l3vni *zl3vni2 = p2; | |
1650 | ||
1651 | return (zl3vni1->vni == zl3vni2->vni); | |
1652 | } | |
1653 | ||
1654 | /* | |
1655 | * Callback to allocate L3 VNI hash entry. | |
1656 | */ | |
1657 | static void *zl3vni_alloc(void *p) | |
1658 | { | |
1659 | struct zebra_l3vni *zl3vni = NULL; | |
1660 | const struct zebra_l3vni *tmp_l3vni = p; | |
1661 | ||
1662 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(struct zebra_l3vni)); | |
1663 | zl3vni->vni = tmp_l3vni->vni; | |
1664 | return ((void *)zl3vni); | |
1665 | } | |
1666 | ||
1667 | /* | |
1668 | * Look up L3 VNI hash entry. | |
1669 | */ | |
1670 | struct zebra_l3vni *zl3vni_lookup(vni_t vni) | |
1671 | { | |
1672 | struct zebra_l3vni tmp_l3vni; | |
1673 | struct zebra_l3vni *zl3vni = NULL; | |
1674 | ||
1675 | memset(&tmp_l3vni, 0, sizeof(tmp_l3vni)); | |
1676 | tmp_l3vni.vni = vni; | |
1677 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); | |
1678 | ||
1679 | return zl3vni; | |
1680 | } | |
1681 | ||
1682 | /* | |
1683 | * Add L3 VNI hash entry. | |
1684 | */ | |
1685 | static struct zebra_l3vni *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
1686 | { | |
1687 | struct zebra_l3vni tmp_zl3vni; | |
1688 | struct zebra_l3vni *zl3vni = NULL; | |
1689 | ||
1690 | memset(&tmp_zl3vni, 0, sizeof(tmp_zl3vni)); | |
1691 | tmp_zl3vni.vni = vni; | |
1692 | ||
1693 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
1694 | ||
1695 | zl3vni->vrf_id = vrf_id; | |
1696 | zl3vni->svi_if = NULL; | |
1697 | zl3vni->vxlan_if = NULL; | |
1698 | zl3vni->l2vnis = list_new(); | |
1699 | zl3vni->l2vnis->cmp = zebra_evpn_list_cmp; | |
1700 | ||
1701 | /* Create hash table for remote RMAC */ | |
1702 | zl3vni->rmac_table = zebra_mac_db_create("Zebra L3-VNI RMAC-Table"); | |
1703 | ||
1704 | /* Create hash table for neighbors */ | |
1705 | zl3vni->nh_table = zebra_neigh_db_create("Zebra L3-VNI next-hop table"); | |
1706 | ||
1707 | return zl3vni; | |
1708 | } | |
1709 | ||
1710 | /* | |
1711 | * Delete L3 VNI hash entry. | |
1712 | */ | |
1713 | static int zl3vni_del(struct zebra_l3vni *zl3vni) | |
1714 | { | |
1715 | struct zebra_l3vni *tmp_zl3vni; | |
1716 | ||
1717 | /* free the list of l2vnis */ | |
1718 | list_delete(&zl3vni->l2vnis); | |
1719 | zl3vni->l2vnis = NULL; | |
1720 | ||
1721 | /* Free the rmac table */ | |
1722 | hash_free(zl3vni->rmac_table); | |
1723 | zl3vni->rmac_table = NULL; | |
1724 | ||
1725 | /* Free the nh table */ | |
1726 | hash_free(zl3vni->nh_table); | |
1727 | zl3vni->nh_table = NULL; | |
1728 | ||
1729 | /* Free the VNI hash entry and allocated memory. */ | |
1730 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); | |
1731 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
1732 | ||
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | static int zl3vni_map_to_vxlan_if_ns(struct ns *ns, | |
1737 | void *_zl3vni, | |
1738 | void **_pifp) | |
1739 | { | |
1740 | struct zebra_ns *zns = ns->info; | |
1741 | struct zebra_l3vni *zl3vni = (struct zebra_l3vni *)_zl3vni; | |
1742 | struct route_node *rn = NULL; | |
1743 | struct interface *ifp = NULL; | |
1744 | struct zebra_vrf *zvrf; | |
1745 | ||
1746 | zvrf = zebra_vrf_get_evpn(); | |
1747 | ||
1748 | assert(_pifp); | |
1749 | ||
1750 | /* loop through all vxlan-interface */ | |
1751 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
1752 | ||
1753 | struct zebra_if *zif = NULL; | |
1754 | struct zebra_l2info_vxlan *vxl = NULL; | |
1755 | ||
1756 | ifp = (struct interface *)rn->info; | |
1757 | if (!ifp) | |
1758 | continue; | |
1759 | ||
1760 | zif = ifp->info; | |
1761 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
1762 | continue; | |
1763 | ||
1764 | vxl = &zif->l2info.vxl; | |
1765 | if (vxl->vni != zl3vni->vni) | |
1766 | continue; | |
1767 | ||
1768 | /* link of VXLAN interface should be in zebra_evpn_vrf */ | |
1769 | if (zvrf->zns->ns_id != vxl->link_nsid) { | |
1770 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1771 | zlog_debug( | |
1772 | "Intf %s(%u) VNI %u, link not in same " | |
1773 | "namespace than BGP EVPN core instance ", | |
1774 | ifp->name, ifp->ifindex, vxl->vni); | |
1775 | continue; | |
1776 | } | |
1777 | ||
1778 | ||
1779 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
1780 | *_pifp = (void *)ifp; | |
1781 | return NS_WALK_STOP; | |
1782 | } | |
1783 | ||
1784 | return NS_WALK_CONTINUE; | |
1785 | } | |
1786 | ||
1787 | struct interface *zl3vni_map_to_vxlan_if(struct zebra_l3vni *zl3vni) | |
1788 | { | |
1789 | struct interface **p_ifp; | |
1790 | struct interface *ifp = NULL; | |
1791 | ||
1792 | p_ifp = &ifp; | |
1793 | ||
1794 | ns_walk_func(zl3vni_map_to_vxlan_if_ns, | |
1795 | (void *)zl3vni, (void **)p_ifp); | |
1796 | return ifp; | |
1797 | } | |
1798 | ||
1799 | struct interface *zl3vni_map_to_svi_if(struct zebra_l3vni *zl3vni) | |
1800 | { | |
1801 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ | |
1802 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ | |
1803 | ||
1804 | if (!zl3vni) | |
1805 | return NULL; | |
1806 | ||
1807 | if (!zl3vni->vxlan_if) | |
1808 | return NULL; | |
1809 | ||
1810 | zif = zl3vni->vxlan_if->info; | |
1811 | if (!zif) | |
1812 | return NULL; | |
1813 | ||
1814 | vxl = &zif->l2info.vxl; | |
1815 | ||
1816 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1817 | } | |
1818 | ||
1819 | struct interface *zl3vni_map_to_mac_vlan_if(struct zebra_l3vni *zl3vni) | |
1820 | { | |
1821 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ | |
1822 | ||
1823 | if (!zl3vni) | |
1824 | return NULL; | |
1825 | ||
1826 | if (!zl3vni->vxlan_if) | |
1827 | return NULL; | |
1828 | ||
1829 | zif = zl3vni->vxlan_if->info; | |
1830 | if (!zif) | |
1831 | return NULL; | |
1832 | ||
1833 | return zebra_evpn_map_to_macvlan(zif->brslave_info.br_if, | |
1834 | zl3vni->svi_if); | |
1835 | } | |
1836 | ||
1837 | ||
1838 | struct zebra_l3vni *zl3vni_from_vrf(vrf_id_t vrf_id) | |
1839 | { | |
1840 | struct zebra_vrf *zvrf = NULL; | |
1841 | ||
1842 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
1843 | if (!zvrf) | |
1844 | return NULL; | |
1845 | ||
1846 | return zl3vni_lookup(zvrf->l3vni); | |
1847 | } | |
1848 | ||
1849 | static int zl3vni_from_svi_ns(struct ns *ns, void *_in_param, void **_p_zl3vni) | |
1850 | { | |
1851 | struct zebra_ns *zns = ns->info; | |
1852 | struct zebra_l3vni **p_zl3vni = (struct zebra_l3vni **)_p_zl3vni; | |
1853 | struct zebra_from_svi_param *in_param = | |
1854 | (struct zebra_from_svi_param *)_in_param; | |
1855 | struct route_node *rn = NULL; | |
1856 | struct interface *tmp_if = NULL; | |
1857 | struct zebra_if *zif = NULL; | |
1858 | struct zebra_l2info_vxlan *vxl = NULL; | |
1859 | ||
1860 | assert(in_param && p_zl3vni); | |
1861 | ||
1862 | /* loop through all vxlan-interface */ | |
1863 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
1864 | tmp_if = (struct interface *)rn->info; | |
1865 | if (!tmp_if) | |
1866 | continue; | |
1867 | zif = tmp_if->info; | |
1868 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
1869 | continue; | |
1870 | if (!if_is_operative(tmp_if)) | |
1871 | continue; | |
1872 | vxl = &zif->l2info.vxl; | |
1873 | ||
1874 | if (zif->brslave_info.br_if != in_param->br_if) | |
1875 | continue; | |
1876 | ||
1877 | if (!in_param->bridge_vlan_aware | |
1878 | || vxl->access_vlan == in_param->vid) { | |
1879 | *p_zl3vni = zl3vni_lookup(vxl->vni); | |
1880 | return NS_WALK_STOP; | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | return NS_WALK_CONTINUE; | |
1885 | } | |
1886 | ||
1887 | /* | |
1888 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
1889 | * neighbor notifications, to see if they are of interest. | |
1890 | */ | |
1891 | static struct zebra_l3vni *zl3vni_from_svi(struct interface *ifp, | |
1892 | struct interface *br_if) | |
1893 | { | |
1894 | struct zebra_l3vni *zl3vni = NULL; | |
1895 | struct zebra_if *zif = NULL; | |
1896 | struct zebra_l2info_bridge *br = NULL; | |
1897 | struct zebra_from_svi_param in_param = {}; | |
1898 | struct zebra_l3vni **p_zl3vni; | |
1899 | ||
1900 | if (!br_if) | |
1901 | return NULL; | |
1902 | ||
1903 | /* Make sure the linked interface is a bridge. */ | |
1904 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
1905 | return NULL; | |
1906 | in_param.br_if = br_if; | |
1907 | ||
1908 | /* Determine if bridge is VLAN-aware or not */ | |
1909 | zif = br_if->info; | |
1910 | assert(zif); | |
1911 | br = &zif->l2info.br; | |
1912 | in_param.bridge_vlan_aware = br->vlan_aware; | |
1913 | if (in_param.bridge_vlan_aware) { | |
1914 | struct zebra_l2info_vlan *vl; | |
1915 | ||
1916 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
1917 | return NULL; | |
1918 | ||
1919 | zif = ifp->info; | |
1920 | assert(zif); | |
1921 | vl = &zif->l2info.vl; | |
1922 | in_param.vid = vl->vid; | |
1923 | } | |
1924 | ||
1925 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
1926 | /* TODO: Optimize with a hash. */ | |
1927 | ||
1928 | p_zl3vni = &zl3vni; | |
1929 | ||
1930 | ns_walk_func(zl3vni_from_svi_ns, (void *)&in_param, (void **)p_zl3vni); | |
1931 | return zl3vni; | |
1932 | } | |
1933 | ||
1934 | vni_t vni_id_from_svi(struct interface *ifp, struct interface *br_if) | |
1935 | { | |
1936 | vni_t vni = 0; | |
1937 | struct zebra_evpn *zevpn = NULL; | |
1938 | struct zebra_l3vni *zl3vni = NULL; | |
1939 | ||
1940 | /* Check if an L3VNI belongs to this SVI interface. | |
1941 | * If not, check if an L2VNI belongs to this SVI interface. | |
1942 | */ | |
1943 | zl3vni = zl3vni_from_svi(ifp, br_if); | |
1944 | if (zl3vni) | |
1945 | vni = zl3vni->vni; | |
1946 | else { | |
1947 | zevpn = zebra_evpn_from_svi(ifp, br_if); | |
1948 | if (zevpn) | |
1949 | vni = zevpn->vni; | |
1950 | } | |
1951 | ||
1952 | return vni; | |
1953 | } | |
1954 | ||
1955 | static inline void zl3vni_get_vrr_rmac(struct zebra_l3vni *zl3vni, | |
1956 | struct ethaddr *rmac) | |
1957 | { | |
1958 | if (!zl3vni) | |
1959 | return; | |
1960 | ||
1961 | if (!is_l3vni_oper_up(zl3vni)) | |
1962 | return; | |
1963 | ||
1964 | if (zl3vni->mac_vlan_if && if_is_operative(zl3vni->mac_vlan_if)) | |
1965 | memcpy(rmac->octet, zl3vni->mac_vlan_if->hw_addr, ETH_ALEN); | |
1966 | } | |
1967 | ||
1968 | /* | |
1969 | * Inform BGP about l3-vni. | |
1970 | */ | |
1971 | static int zl3vni_send_add_to_client(struct zebra_l3vni *zl3vni) | |
1972 | { | |
1973 | struct stream *s = NULL; | |
1974 | struct zserv *client = NULL; | |
1975 | struct ethaddr svi_rmac, vrr_rmac = {.octet = {0} }; | |
1976 | struct zebra_vrf *zvrf; | |
1977 | bool is_anycast_mac = true; | |
1978 | ||
1979 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1980 | /* BGP may not be running. */ | |
1981 | if (!client) | |
1982 | return 0; | |
1983 | ||
1984 | zvrf = zebra_vrf_lookup_by_id(zl3vni->vrf_id); | |
1985 | assert(zvrf); | |
1986 | ||
1987 | /* get the svi and vrr rmac values */ | |
1988 | memset(&svi_rmac, 0, sizeof(svi_rmac)); | |
1989 | zl3vni_get_svi_rmac(zl3vni, &svi_rmac); | |
1990 | zl3vni_get_vrr_rmac(zl3vni, &vrr_rmac); | |
1991 | ||
1992 | /* In absence of vrr mac use svi mac as anycast MAC value */ | |
1993 | if (is_zero_mac(&vrr_rmac)) { | |
1994 | memcpy(&vrr_rmac, &svi_rmac, ETH_ALEN); | |
1995 | is_anycast_mac = false; | |
1996 | } | |
1997 | ||
1998 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1999 | ||
2000 | /* The message is used for both vni add and/or update like | |
2001 | * vrr mac is added for l3vni SVI. | |
2002 | */ | |
2003 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); | |
2004 | stream_putl(s, zl3vni->vni); | |
2005 | stream_put(s, &svi_rmac, sizeof(struct ethaddr)); | |
2006 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); | |
2007 | stream_put(s, &zl3vni->filter, sizeof(int)); | |
2008 | stream_putl(s, zl3vni->svi_if->ifindex); | |
2009 | stream_put(s, &vrr_rmac, sizeof(struct ethaddr)); | |
2010 | stream_putl(s, is_anycast_mac); | |
2011 | ||
2012 | /* Write packet size. */ | |
2013 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2014 | ||
2015 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2016 | zlog_debug( | |
2017 | "Send L3_VNI_ADD %u VRF %s RMAC %pEA VRR %pEA local-ip %pI4 filter %s to %s", | |
2018 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
2019 | &svi_rmac, &vrr_rmac, &zl3vni->local_vtep_ip, | |
2020 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
2021 | ? "prefix-routes-only" | |
2022 | : "none", | |
2023 | zebra_route_string(client->proto)); | |
2024 | ||
2025 | client->l3vniadd_cnt++; | |
2026 | return zserv_send_message(client, s); | |
2027 | } | |
2028 | ||
2029 | /* | |
2030 | * Inform BGP about local l3-VNI deletion. | |
2031 | */ | |
2032 | static int zl3vni_send_del_to_client(struct zebra_l3vni *zl3vni) | |
2033 | { | |
2034 | struct stream *s = NULL; | |
2035 | struct zserv *client = NULL; | |
2036 | ||
2037 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
2038 | /* BGP may not be running. */ | |
2039 | if (!client) | |
2040 | return 0; | |
2041 | ||
2042 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2043 | ||
2044 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); | |
2045 | stream_putl(s, zl3vni->vni); | |
2046 | ||
2047 | /* Write packet size. */ | |
2048 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2049 | ||
2050 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2051 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, | |
2052 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
2053 | zebra_route_string(client->proto)); | |
2054 | ||
2055 | client->l3vnidel_cnt++; | |
2056 | return zserv_send_message(client, s); | |
2057 | } | |
2058 | ||
2059 | static void zebra_vxlan_process_l3vni_oper_up(struct zebra_l3vni *zl3vni) | |
2060 | { | |
2061 | if (!zl3vni) | |
2062 | return; | |
2063 | ||
2064 | /* send l3vni add to BGP */ | |
2065 | zl3vni_send_add_to_client(zl3vni); | |
2066 | } | |
2067 | ||
2068 | static void zebra_vxlan_process_l3vni_oper_down(struct zebra_l3vni *zl3vni) | |
2069 | { | |
2070 | if (!zl3vni) | |
2071 | return; | |
2072 | ||
2073 | /* send l3-vni del to BGP*/ | |
2074 | zl3vni_send_del_to_client(zl3vni); | |
2075 | } | |
2076 | ||
2077 | static void zevpn_add_to_l3vni_list(struct hash_bucket *bucket, void *ctxt) | |
2078 | { | |
2079 | struct zebra_evpn *zevpn = (struct zebra_evpn *)bucket->data; | |
2080 | struct zebra_l3vni *zl3vni = (struct zebra_l3vni *)ctxt; | |
2081 | ||
2082 | if (zevpn->vrf_id == zl3vni_vrf_id(zl3vni)) | |
2083 | listnode_add_sort(zl3vni->l2vnis, zevpn); | |
2084 | } | |
2085 | ||
2086 | /* | |
2087 | * Handle transition of vni from l2 to l3 and vice versa. | |
2088 | * This function handles only the L2VNI add/delete part of | |
2089 | * the above transition. | |
2090 | * L3VNI add/delete is handled by the calling functions. | |
2091 | */ | |
2092 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, | |
2093 | int add) | |
2094 | { | |
2095 | struct zebra_evpn *zevpn = NULL; | |
2096 | struct zebra_l3vni *zl3vni = NULL; | |
2097 | ||
2098 | /* There is a possibility that VNI notification was already received | |
2099 | * from kernel and we programmed it as L2-VNI | |
2100 | * In such a case we need to delete this L2-VNI first, so | |
2101 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
2102 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
2103 | * interface is still present in kernel. In this case to keep it | |
2104 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni | |
2105 | */ | |
2106 | if (add) { | |
2107 | /* Locate hash entry */ | |
2108 | zevpn = zebra_evpn_lookup(vni); | |
2109 | if (!zevpn) | |
2110 | return 0; | |
2111 | ||
2112 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2113 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); | |
2114 | ||
2115 | /* Delete EVPN from BGP. */ | |
2116 | zebra_evpn_send_del_to_client(zevpn); | |
2117 | ||
2118 | zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH); | |
2119 | zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC); | |
2120 | ||
2121 | /* Free up all remote VTEPs, if any. */ | |
2122 | zebra_evpn_vtep_del_all(zevpn, 1); | |
2123 | ||
2124 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
2125 | if (zl3vni) | |
2126 | listnode_delete(zl3vni->l2vnis, zevpn); | |
2127 | ||
2128 | /* Delete the hash entry. */ | |
2129 | if (zebra_evpn_vxlan_del(zevpn)) { | |
2130 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, | |
2131 | "Failed to del EVPN hash %p, VNI %u", zevpn, | |
2132 | zevpn->vni); | |
2133 | return -1; | |
2134 | } | |
2135 | } else { | |
2136 | struct zebra_ns *zns; | |
2137 | struct route_node *rn; | |
2138 | struct interface *ifp; | |
2139 | struct zebra_if *zif; | |
2140 | struct zebra_l2info_vxlan *vxl; | |
2141 | struct interface *vlan_if; | |
2142 | bool found = false; | |
2143 | ||
2144 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2145 | zlog_debug("Adding L2-VNI %u - transition from L3-VNI", | |
2146 | vni); | |
2147 | ||
2148 | /* Find VxLAN interface for this VNI. */ | |
2149 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2150 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2151 | ifp = (struct interface *)rn->info; | |
2152 | if (!ifp) | |
2153 | continue; | |
2154 | zif = ifp->info; | |
2155 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2156 | continue; | |
2157 | ||
2158 | vxl = &zif->l2info.vxl; | |
2159 | if (vxl->vni == vni) { | |
2160 | found = true; | |
2161 | break; | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | if (!found) { | |
2166 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2167 | zlog_err( | |
2168 | "Adding L2-VNI - Failed to find VxLAN interface for VNI %u", | |
2169 | vni); | |
2170 | return -1; | |
2171 | } | |
2172 | ||
2173 | /* Create VNI hash entry for L2VNI */ | |
2174 | zevpn = zebra_evpn_lookup(vni); | |
2175 | if (zevpn) | |
2176 | return 0; | |
2177 | ||
2178 | zevpn = zebra_evpn_add(vni); | |
2179 | ||
2180 | /* Find bridge interface for the VNI */ | |
2181 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2182 | zif->brslave_info.br_if); | |
2183 | if (vlan_if) { | |
2184 | zevpn->vrf_id = vlan_if->vrf->vrf_id; | |
2185 | zl3vni = zl3vni_from_vrf(vlan_if->vrf->vrf_id); | |
2186 | if (zl3vni) | |
2187 | listnode_add_sort_nodup(zl3vni->l2vnis, zevpn); | |
2188 | } | |
2189 | ||
2190 | zevpn->vxlan_if = ifp; | |
2191 | zevpn->local_vtep_ip = vxl->vtep_ip; | |
2192 | ||
2193 | /* Inform BGP if the VNI is up and mapped to a bridge. */ | |
2194 | if (if_is_operative(ifp) && zif->brslave_info.br_if) { | |
2195 | zebra_evpn_send_add_to_client(zevpn); | |
2196 | zebra_evpn_read_mac_neigh(zevpn, ifp); | |
2197 | } | |
2198 | } | |
2199 | ||
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | /* delete and uninstall rmac hash entry */ | |
2204 | static void zl3vni_del_rmac_hash_entry(struct hash_bucket *bucket, void *ctx) | |
2205 | { | |
2206 | struct zebra_mac *zrmac = NULL; | |
2207 | struct zebra_l3vni *zl3vni = NULL; | |
2208 | ||
2209 | zrmac = (struct zebra_mac *)bucket->data; | |
2210 | zl3vni = (struct zebra_l3vni *)ctx; | |
2211 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
2212 | ||
2213 | /* Send RMAC for FPM processing */ | |
2214 | hook_call(zebra_rmac_update, zrmac, zl3vni, true, "RMAC deleted"); | |
2215 | ||
2216 | zl3vni_rmac_del(zl3vni, zrmac); | |
2217 | } | |
2218 | ||
2219 | /* delete and uninstall nh hash entry */ | |
2220 | static void zl3vni_del_nh_hash_entry(struct hash_bucket *bucket, void *ctx) | |
2221 | { | |
2222 | struct zebra_neigh *n = NULL; | |
2223 | struct zebra_l3vni *zl3vni = NULL; | |
2224 | ||
2225 | n = (struct zebra_neigh *)bucket->data; | |
2226 | zl3vni = (struct zebra_l3vni *)ctx; | |
2227 | zl3vni_nh_uninstall(zl3vni, n); | |
2228 | zl3vni_nh_del(zl3vni, n); | |
2229 | } | |
2230 | ||
2231 | /* re-add remote rmac if needed */ | |
2232 | static int zebra_vxlan_readd_remote_rmac(struct zebra_l3vni *zl3vni, | |
2233 | struct ethaddr *rmac) | |
2234 | { | |
2235 | struct zebra_mac *zrmac = NULL; | |
2236 | ||
2237 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
2238 | if (!zrmac) | |
2239 | return 0; | |
2240 | ||
2241 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2242 | zlog_debug("Del remote RMAC %pEA L3VNI %u - readd", | |
2243 | rmac, zl3vni->vni); | |
2244 | ||
2245 | zl3vni_rmac_install(zl3vni, zrmac); | |
2246 | return 0; | |
2247 | } | |
2248 | ||
2249 | /* Public functions */ | |
2250 | ||
2251 | int is_l3vni_for_prefix_routes_only(vni_t vni) | |
2252 | { | |
2253 | struct zebra_l3vni *zl3vni = NULL; | |
2254 | ||
2255 | zl3vni = zl3vni_lookup(vni); | |
2256 | if (!zl3vni) | |
2257 | return 0; | |
2258 | ||
2259 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
2260 | } | |
2261 | ||
2262 | /* handle evpn route in vrf table */ | |
2263 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, const struct ethaddr *rmac, | |
2264 | const struct ipaddr *vtep_ip, | |
2265 | const struct prefix *host_prefix) | |
2266 | { | |
2267 | struct zebra_l3vni *zl3vni = NULL; | |
2268 | struct ipaddr ipv4_vtep; | |
2269 | ||
2270 | zl3vni = zl3vni_from_vrf(vrf_id); | |
2271 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
2272 | return; | |
2273 | ||
2274 | /* | |
2275 | * add the next hop neighbor - | |
2276 | * neigh to be installed is the ipv6 nexthop neigh | |
2277 | */ | |
2278 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); | |
2279 | ||
2280 | /* | |
2281 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
2282 | * address. Rmac is programmed against the ipv4 vtep because we only | |
2283 | * support ipv4 tunnels in the h/w right now | |
2284 | */ | |
2285 | memset(&ipv4_vtep, 0, sizeof(ipv4_vtep)); | |
2286 | ipv4_vtep.ipa_type = IPADDR_V4; | |
2287 | if (vtep_ip->ipa_type == IPADDR_V6) | |
2288 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
2289 | &(ipv4_vtep.ipaddr_v4)); | |
2290 | else | |
2291 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
2292 | sizeof(struct in_addr)); | |
2293 | ||
2294 | /* | |
2295 | * add the rmac - remote rmac to be installed is against the ipv4 | |
2296 | * nexthop address | |
2297 | */ | |
2298 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep); | |
2299 | } | |
2300 | ||
2301 | /* handle evpn vrf route delete */ | |
2302 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, | |
2303 | struct ipaddr *vtep_ip, | |
2304 | struct prefix *host_prefix) | |
2305 | { | |
2306 | struct zebra_l3vni *zl3vni = NULL; | |
2307 | struct zebra_neigh *nh = NULL; | |
2308 | struct zebra_mac *zrmac = NULL; | |
2309 | ||
2310 | zl3vni = zl3vni_from_vrf(vrf_id); | |
2311 | if (!zl3vni) | |
2312 | return; | |
2313 | ||
2314 | /* find the next hop entry and rmac entry */ | |
2315 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
2316 | if (!nh) | |
2317 | return; | |
2318 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
2319 | ||
2320 | /* delete the next hop entry */ | |
2321 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); | |
2322 | ||
2323 | /* delete the rmac entry */ | |
2324 | if (zrmac) | |
2325 | zl3vni_remote_rmac_del(zl3vni, zrmac, vtep_ip); | |
2326 | } | |
2327 | ||
2328 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, | |
2329 | struct ethaddr *rmac, bool use_json) | |
2330 | { | |
2331 | struct zebra_l3vni *zl3vni = NULL; | |
2332 | struct zebra_mac *zrmac = NULL; | |
2333 | json_object *json = NULL; | |
2334 | ||
2335 | if (!is_evpn_enabled()) { | |
2336 | if (use_json) | |
2337 | vty_out(vty, "{}\n"); | |
2338 | return; | |
2339 | } | |
2340 | ||
2341 | if (use_json) | |
2342 | json = json_object_new_object(); | |
2343 | ||
2344 | zl3vni = zl3vni_lookup(l3vni); | |
2345 | if (!zl3vni) { | |
2346 | if (use_json) | |
2347 | vty_out(vty, "{}\n"); | |
2348 | else | |
2349 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); | |
2350 | return; | |
2351 | } | |
2352 | ||
2353 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
2354 | if (!zrmac) { | |
2355 | if (use_json) | |
2356 | vty_out(vty, "{}\n"); | |
2357 | else | |
2358 | vty_out(vty, | |
2359 | "%% Requested RMAC doesn't exist in L3-VNI %u\n", | |
2360 | l3vni); | |
2361 | return; | |
2362 | } | |
2363 | ||
2364 | zl3vni_print_rmac(zrmac, vty, json); | |
2365 | ||
2366 | if (use_json) | |
2367 | vty_json(vty, json); | |
2368 | } | |
2369 | ||
2370 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) | |
2371 | { | |
2372 | struct zebra_l3vni *zl3vni; | |
2373 | uint32_t num_rmacs; | |
2374 | struct rmac_walk_ctx wctx; | |
2375 | json_object *json = NULL; | |
2376 | ||
2377 | if (!is_evpn_enabled()) | |
2378 | return; | |
2379 | ||
2380 | zl3vni = zl3vni_lookup(l3vni); | |
2381 | if (!zl3vni) { | |
2382 | if (use_json) | |
2383 | vty_out(vty, "{}\n"); | |
2384 | else | |
2385 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
2386 | return; | |
2387 | } | |
2388 | num_rmacs = hashcount(zl3vni->rmac_table); | |
2389 | if (!num_rmacs) | |
2390 | return; | |
2391 | ||
2392 | if (use_json) | |
2393 | json = json_object_new_object(); | |
2394 | ||
2395 | memset(&wctx, 0, sizeof(wctx)); | |
2396 | wctx.vty = vty; | |
2397 | wctx.json = json; | |
2398 | if (!use_json) { | |
2399 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", | |
2400 | num_rmacs); | |
2401 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); | |
2402 | } else | |
2403 | json_object_int_add(json, "numRmacs", num_rmacs); | |
2404 | ||
2405 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
2406 | ||
2407 | if (use_json) | |
2408 | vty_json(vty, json); | |
2409 | } | |
2410 | ||
2411 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) | |
2412 | { | |
2413 | json_object *json = NULL; | |
2414 | void *args[2]; | |
2415 | ||
2416 | if (!is_evpn_enabled()) { | |
2417 | if (use_json) | |
2418 | vty_out(vty, "{}\n"); | |
2419 | return; | |
2420 | } | |
2421 | ||
2422 | if (use_json) | |
2423 | json = json_object_new_object(); | |
2424 | ||
2425 | args[0] = vty; | |
2426 | args[1] = json; | |
2427 | hash_iterate(zrouter.l3vni_table, | |
2428 | (void (*)(struct hash_bucket *, | |
2429 | void *))zl3vni_print_rmac_hash_all_vni, | |
2430 | args); | |
2431 | ||
2432 | if (use_json) | |
2433 | vty_json(vty, json); | |
2434 | } | |
2435 | ||
2436 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, | |
2437 | struct ipaddr *ip, bool use_json) | |
2438 | { | |
2439 | struct zebra_l3vni *zl3vni = NULL; | |
2440 | struct zebra_neigh *n = NULL; | |
2441 | json_object *json = NULL; | |
2442 | ||
2443 | if (!is_evpn_enabled()) { | |
2444 | if (use_json) | |
2445 | vty_out(vty, "{}\n"); | |
2446 | return; | |
2447 | } | |
2448 | ||
2449 | if (use_json) | |
2450 | json = json_object_new_object(); | |
2451 | ||
2452 | zl3vni = zl3vni_lookup(l3vni); | |
2453 | if (!zl3vni) { | |
2454 | if (use_json) | |
2455 | vty_out(vty, "{}\n"); | |
2456 | else | |
2457 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
2458 | return; | |
2459 | } | |
2460 | ||
2461 | n = zl3vni_nh_lookup(zl3vni, ip); | |
2462 | if (!n) { | |
2463 | if (use_json) | |
2464 | vty_out(vty, "{}\n"); | |
2465 | else | |
2466 | vty_out(vty, | |
2467 | "%% Requested next-hop not present for L3-VNI %u", | |
2468 | l3vni); | |
2469 | return; | |
2470 | } | |
2471 | ||
2472 | zl3vni_print_nh(n, vty, json); | |
2473 | ||
2474 | if (use_json) | |
2475 | vty_json(vty, json); | |
2476 | } | |
2477 | ||
2478 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) | |
2479 | { | |
2480 | uint32_t num_nh; | |
2481 | struct nh_walk_ctx wctx; | |
2482 | json_object *json = NULL; | |
2483 | struct zebra_l3vni *zl3vni = NULL; | |
2484 | ||
2485 | if (!is_evpn_enabled()) | |
2486 | return; | |
2487 | ||
2488 | zl3vni = zl3vni_lookup(l3vni); | |
2489 | if (!zl3vni) { | |
2490 | if (use_json) | |
2491 | vty_out(vty, "{}\n"); | |
2492 | else | |
2493 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
2494 | return; | |
2495 | } | |
2496 | ||
2497 | num_nh = hashcount(zl3vni->nh_table); | |
2498 | if (!num_nh) | |
2499 | return; | |
2500 | ||
2501 | if (use_json) | |
2502 | json = json_object_new_object(); | |
2503 | ||
2504 | wctx.vty = vty; | |
2505 | wctx.json = json; | |
2506 | if (!use_json) { | |
2507 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", | |
2508 | num_nh); | |
2509 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); | |
2510 | } else | |
2511 | json_object_int_add(json, "numNextHops", num_nh); | |
2512 | ||
2513 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
2514 | ||
2515 | if (use_json) | |
2516 | vty_json(vty, json); | |
2517 | } | |
2518 | ||
2519 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) | |
2520 | { | |
2521 | json_object *json = NULL; | |
2522 | void *args[2]; | |
2523 | ||
2524 | if (!is_evpn_enabled()) { | |
2525 | if (use_json) | |
2526 | vty_out(vty, "{}\n"); | |
2527 | return; | |
2528 | } | |
2529 | ||
2530 | if (use_json) | |
2531 | json = json_object_new_object(); | |
2532 | ||
2533 | args[0] = vty; | |
2534 | args[1] = json; | |
2535 | hash_iterate(zrouter.l3vni_table, | |
2536 | (void (*)(struct hash_bucket *, | |
2537 | void *))zl3vni_print_nh_hash_all_vni, | |
2538 | args); | |
2539 | ||
2540 | if (use_json) | |
2541 | vty_json(vty, json); | |
2542 | } | |
2543 | ||
2544 | /* | |
2545 | * Display L3 VNI information (VTY command handler). | |
2546 | */ | |
2547 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) | |
2548 | { | |
2549 | void *args[2]; | |
2550 | json_object *json = NULL; | |
2551 | struct zebra_l3vni *zl3vni = NULL; | |
2552 | ||
2553 | if (!is_evpn_enabled()) { | |
2554 | if (use_json) | |
2555 | vty_out(vty, "{}\n"); | |
2556 | return; | |
2557 | } | |
2558 | ||
2559 | zl3vni = zl3vni_lookup(vni); | |
2560 | if (!zl3vni) { | |
2561 | if (use_json) | |
2562 | vty_out(vty, "{}\n"); | |
2563 | else | |
2564 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2565 | return; | |
2566 | } | |
2567 | ||
2568 | if (use_json) | |
2569 | json = json_object_new_object(); | |
2570 | ||
2571 | args[0] = vty; | |
2572 | args[1] = json; | |
2573 | zl3vni_print(zl3vni, (void *)args); | |
2574 | ||
2575 | if (use_json) | |
2576 | vty_json(vty, json); | |
2577 | } | |
2578 | ||
2579 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
2580 | json_object *json_vrfs) | |
2581 | { | |
2582 | char buf[ETHER_ADDR_STRLEN]; | |
2583 | struct zebra_l3vni *zl3vni = NULL; | |
2584 | ||
2585 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
2586 | if (!zl3vni) | |
2587 | return; | |
2588 | ||
2589 | if (!json_vrfs) { | |
2590 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
2591 | zvrf_name(zvrf), zl3vni->vni, | |
2592 | zl3vni_vxlan_if_name(zl3vni), | |
2593 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), | |
2594 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
2595 | } else { | |
2596 | json_object *json_vrf = NULL; | |
2597 | ||
2598 | json_vrf = json_object_new_object(); | |
2599 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); | |
2600 | json_object_int_add(json_vrf, "vni", zl3vni->vni); | |
2601 | json_object_string_add(json_vrf, "vxlanIntf", | |
2602 | zl3vni_vxlan_if_name(zl3vni)); | |
2603 | json_object_string_add(json_vrf, "sviIntf", | |
2604 | zl3vni_svi_if_name(zl3vni)); | |
2605 | json_object_string_add(json_vrf, "state", | |
2606 | zl3vni_state2str(zl3vni)); | |
2607 | json_object_string_add( | |
2608 | json_vrf, "routerMac", | |
2609 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
2610 | json_object_array_add(json_vrfs, json_vrf); | |
2611 | } | |
2612 | } | |
2613 | ||
2614 | /* | |
2615 | * Display Neighbors for a VNI (VTY command handler). | |
2616 | */ | |
2617 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
2618 | vni_t vni, bool use_json) | |
2619 | { | |
2620 | struct zebra_evpn *zevpn; | |
2621 | uint32_t num_neigh; | |
2622 | struct neigh_walk_ctx wctx; | |
2623 | json_object *json = NULL; | |
2624 | ||
2625 | if (!is_evpn_enabled()) | |
2626 | return; | |
2627 | zevpn = zebra_evpn_lookup(vni); | |
2628 | if (!zevpn) { | |
2629 | if (use_json) | |
2630 | vty_out(vty, "{}\n"); | |
2631 | else | |
2632 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2633 | return; | |
2634 | } | |
2635 | num_neigh = hashcount(zevpn->neigh_table); | |
2636 | if (!num_neigh) | |
2637 | return; | |
2638 | ||
2639 | if (use_json) | |
2640 | json = json_object_new_object(); | |
2641 | ||
2642 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
2643 | * size, we try to be a bit more elegant in display by first computing | |
2644 | * the maximum width. | |
2645 | */ | |
2646 | memset(&wctx, 0, sizeof(wctx)); | |
2647 | wctx.zevpn = zevpn; | |
2648 | wctx.vty = vty; | |
2649 | wctx.addr_width = 15; | |
2650 | wctx.json = json; | |
2651 | hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width, | |
2652 | &wctx); | |
2653 | ||
2654 | if (!use_json) { | |
2655 | vty_out(vty, | |
2656 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
2657 | num_neigh); | |
2658 | zebra_evpn_print_neigh_hdr(vty, &wctx); | |
2659 | } else | |
2660 | json_object_int_add(json, "numArpNd", num_neigh); | |
2661 | ||
2662 | hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash, &wctx); | |
2663 | if (use_json) | |
2664 | vty_json(vty, json); | |
2665 | } | |
2666 | ||
2667 | /* | |
2668 | * Display neighbors across all VNIs (VTY command handler). | |
2669 | */ | |
2670 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
2671 | bool print_dup, bool use_json) | |
2672 | { | |
2673 | json_object *json = NULL; | |
2674 | void *args[3]; | |
2675 | ||
2676 | if (!is_evpn_enabled()) | |
2677 | return; | |
2678 | ||
2679 | if (use_json) | |
2680 | json = json_object_new_object(); | |
2681 | ||
2682 | args[0] = vty; | |
2683 | args[1] = json; | |
2684 | args[2] = (void *)(ptrdiff_t)print_dup; | |
2685 | ||
2686 | hash_iterate(zvrf->evpn_table, | |
2687 | (void (*)(struct hash_bucket *, | |
2688 | void *))zevpn_print_neigh_hash_all_evpn, | |
2689 | args); | |
2690 | if (use_json) | |
2691 | vty_json(vty, json); | |
2692 | } | |
2693 | ||
2694 | /* | |
2695 | * Display neighbors across all VNIs in detail(VTY command handler). | |
2696 | */ | |
2697 | void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty, | |
2698 | struct zebra_vrf *zvrf, | |
2699 | bool print_dup, bool use_json) | |
2700 | { | |
2701 | json_object *json = NULL; | |
2702 | void *args[3]; | |
2703 | ||
2704 | if (!is_evpn_enabled()) | |
2705 | return; | |
2706 | ||
2707 | if (use_json) | |
2708 | json = json_object_new_object(); | |
2709 | ||
2710 | args[0] = vty; | |
2711 | args[1] = json; | |
2712 | args[2] = (void *)(ptrdiff_t)print_dup; | |
2713 | ||
2714 | hash_iterate(zvrf->evpn_table, | |
2715 | (void (*)(struct hash_bucket *, | |
2716 | void *))zevpn_print_neigh_hash_all_evpn_detail, | |
2717 | args); | |
2718 | if (use_json) | |
2719 | vty_json(vty, json); | |
2720 | } | |
2721 | ||
2722 | /* | |
2723 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
2724 | */ | |
2725 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
2726 | struct zebra_vrf *zvrf, vni_t vni, | |
2727 | struct ipaddr *ip, bool use_json) | |
2728 | { | |
2729 | struct zebra_evpn *zevpn; | |
2730 | struct zebra_neigh *n; | |
2731 | json_object *json = NULL; | |
2732 | ||
2733 | if (!is_evpn_enabled()) | |
2734 | return; | |
2735 | zevpn = zebra_evpn_lookup(vni); | |
2736 | if (!zevpn) { | |
2737 | if (use_json) | |
2738 | vty_out(vty, "{}\n"); | |
2739 | else | |
2740 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2741 | return; | |
2742 | } | |
2743 | n = zebra_evpn_neigh_lookup(zevpn, ip); | |
2744 | if (!n) { | |
2745 | if (!use_json) | |
2746 | vty_out(vty, | |
2747 | "%% Requested neighbor does not exist in VNI %u\n", | |
2748 | vni); | |
2749 | return; | |
2750 | } | |
2751 | if (use_json) | |
2752 | json = json_object_new_object(); | |
2753 | ||
2754 | zebra_evpn_print_neigh(n, vty, json); | |
2755 | ||
2756 | if (use_json) | |
2757 | vty_json(vty, json); | |
2758 | } | |
2759 | ||
2760 | /* | |
2761 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
2762 | * By definition, these are remote neighbors. | |
2763 | */ | |
2764 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, | |
2765 | vni_t vni, struct in_addr vtep_ip, | |
2766 | bool use_json) | |
2767 | { | |
2768 | struct zebra_evpn *zevpn; | |
2769 | uint32_t num_neigh; | |
2770 | struct neigh_walk_ctx wctx; | |
2771 | json_object *json = NULL; | |
2772 | ||
2773 | if (!is_evpn_enabled()) | |
2774 | return; | |
2775 | zevpn = zebra_evpn_lookup(vni); | |
2776 | if (!zevpn) { | |
2777 | if (use_json) | |
2778 | vty_out(vty, "{}\n"); | |
2779 | else | |
2780 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2781 | return; | |
2782 | } | |
2783 | num_neigh = hashcount(zevpn->neigh_table); | |
2784 | if (!num_neigh) | |
2785 | return; | |
2786 | ||
2787 | if (use_json) | |
2788 | json = json_object_new_object(); | |
2789 | ||
2790 | memset(&wctx, 0, sizeof(wctx)); | |
2791 | wctx.zevpn = zevpn; | |
2792 | wctx.vty = vty; | |
2793 | wctx.addr_width = 15; | |
2794 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
2795 | wctx.r_vtep_ip = vtep_ip; | |
2796 | wctx.json = json; | |
2797 | hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width, | |
2798 | &wctx); | |
2799 | hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash, &wctx); | |
2800 | ||
2801 | if (use_json) | |
2802 | vty_json(vty, json); | |
2803 | } | |
2804 | ||
2805 | /* | |
2806 | * Display Duplicate detected Neighbors for a VNI | |
2807 | * (VTY command handler). | |
2808 | */ | |
2809 | void zebra_vxlan_print_neigh_vni_dad(struct vty *vty, | |
2810 | struct zebra_vrf *zvrf, | |
2811 | vni_t vni, | |
2812 | bool use_json) | |
2813 | { | |
2814 | struct zebra_evpn *zevpn; | |
2815 | uint32_t num_neigh; | |
2816 | struct neigh_walk_ctx wctx; | |
2817 | json_object *json = NULL; | |
2818 | ||
2819 | if (!is_evpn_enabled()) | |
2820 | return; | |
2821 | ||
2822 | zevpn = zebra_evpn_lookup(vni); | |
2823 | if (!zevpn) { | |
2824 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2825 | return; | |
2826 | } | |
2827 | ||
2828 | num_neigh = hashcount(zevpn->neigh_table); | |
2829 | if (!num_neigh) | |
2830 | return; | |
2831 | ||
2832 | num_neigh = num_dup_detected_neighs(zevpn); | |
2833 | if (!num_neigh) | |
2834 | return; | |
2835 | ||
2836 | if (use_json) | |
2837 | json = json_object_new_object(); | |
2838 | ||
2839 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
2840 | * size, we try to be a bit more elegant in display by first computing | |
2841 | * the maximum width. | |
2842 | */ | |
2843 | memset(&wctx, 0, sizeof(wctx)); | |
2844 | wctx.zevpn = zevpn; | |
2845 | wctx.vty = vty; | |
2846 | wctx.addr_width = 15; | |
2847 | wctx.json = json; | |
2848 | hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width, | |
2849 | &wctx); | |
2850 | ||
2851 | if (!use_json) { | |
2852 | vty_out(vty, | |
2853 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
2854 | num_neigh); | |
2855 | vty_out(vty, "%*s %-6s %-8s %-17s %-30s\n", | |
2856 | -wctx.addr_width, "IP", "Type", | |
2857 | "State", "MAC", "Remote ES/VTEP"); | |
2858 | } else | |
2859 | json_object_int_add(json, "numArpNd", num_neigh); | |
2860 | ||
2861 | hash_iterate(zevpn->neigh_table, zebra_evpn_print_dad_neigh_hash, | |
2862 | &wctx); | |
2863 | ||
2864 | if (use_json) | |
2865 | vty_json(vty, json); | |
2866 | } | |
2867 | ||
2868 | /* | |
2869 | * Display MACs for a VNI (VTY command handler). | |
2870 | */ | |
2871 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
2872 | vni_t vni, bool use_json) | |
2873 | { | |
2874 | struct zebra_evpn *zevpn; | |
2875 | uint32_t num_macs; | |
2876 | struct mac_walk_ctx wctx; | |
2877 | json_object *json = NULL; | |
2878 | json_object *json_mac = NULL; | |
2879 | ||
2880 | if (!is_evpn_enabled()) | |
2881 | return; | |
2882 | zevpn = zebra_evpn_lookup(vni); | |
2883 | if (!zevpn) { | |
2884 | if (use_json) | |
2885 | vty_out(vty, "{}\n"); | |
2886 | else | |
2887 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2888 | return; | |
2889 | } | |
2890 | num_macs = num_valid_macs(zevpn); | |
2891 | if (!num_macs) | |
2892 | return; | |
2893 | ||
2894 | if (use_json) { | |
2895 | json = json_object_new_object(); | |
2896 | json_mac = json_object_new_object(); | |
2897 | } | |
2898 | ||
2899 | memset(&wctx, 0, sizeof(wctx)); | |
2900 | wctx.zevpn = zevpn; | |
2901 | wctx.vty = vty; | |
2902 | wctx.json = json_mac; | |
2903 | ||
2904 | if (!use_json) { | |
2905 | vty_out(vty, | |
2906 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
2907 | num_macs); | |
2908 | vty_out(vty, | |
2909 | "Flags: N=sync-neighs, I=local-inactive, P=peer-active, X=peer-proxy\n"); | |
2910 | vty_out(vty, "%-17s %-6s %-5s %-30s %-5s %s\n", "MAC", "Type", | |
2911 | "Flags", "Intf/Remote ES/VTEP", "VLAN", "Seq #'s"); | |
2912 | } else | |
2913 | json_object_int_add(json, "numMacs", num_macs); | |
2914 | ||
2915 | hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, &wctx); | |
2916 | ||
2917 | if (use_json) { | |
2918 | json_object_object_add(json, "macs", json_mac); | |
2919 | vty_json(vty, json); | |
2920 | } | |
2921 | } | |
2922 | ||
2923 | /* | |
2924 | * Display MACs for all VNIs (VTY command handler). | |
2925 | */ | |
2926 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
2927 | bool print_dup, bool use_json) | |
2928 | { | |
2929 | struct mac_walk_ctx wctx; | |
2930 | json_object *json = NULL; | |
2931 | ||
2932 | if (!is_evpn_enabled()) { | |
2933 | if (use_json) | |
2934 | vty_out(vty, "{}\n"); | |
2935 | return; | |
2936 | } | |
2937 | if (use_json) | |
2938 | json = json_object_new_object(); | |
2939 | ||
2940 | memset(&wctx, 0, sizeof(wctx)); | |
2941 | wctx.vty = vty; | |
2942 | wctx.json = json; | |
2943 | wctx.print_dup = print_dup; | |
2944 | hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn, &wctx); | |
2945 | ||
2946 | if (use_json) | |
2947 | vty_json(vty, json); | |
2948 | } | |
2949 | ||
2950 | /* | |
2951 | * Display MACs in detail for all VNIs (VTY command handler). | |
2952 | */ | |
2953 | void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty, | |
2954 | struct zebra_vrf *zvrf, | |
2955 | bool print_dup, bool use_json) | |
2956 | { | |
2957 | struct mac_walk_ctx wctx; | |
2958 | json_object *json = NULL; | |
2959 | ||
2960 | if (!is_evpn_enabled()) { | |
2961 | if (use_json) | |
2962 | vty_out(vty, "{}\n"); | |
2963 | return; | |
2964 | } | |
2965 | if (use_json) | |
2966 | json = json_object_new_object(); | |
2967 | ||
2968 | memset(&wctx, 0, sizeof(wctx)); | |
2969 | wctx.vty = vty; | |
2970 | wctx.json = json; | |
2971 | wctx.print_dup = print_dup; | |
2972 | hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn_detail, | |
2973 | &wctx); | |
2974 | ||
2975 | if (use_json) | |
2976 | vty_json(vty, json); | |
2977 | } | |
2978 | ||
2979 | /* | |
2980 | * Display MACs for all VNIs (VTY command handler). | |
2981 | */ | |
2982 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, | |
2983 | struct zebra_vrf *zvrf, | |
2984 | struct in_addr vtep_ip, bool use_json) | |
2985 | { | |
2986 | struct mac_walk_ctx wctx; | |
2987 | json_object *json = NULL; | |
2988 | ||
2989 | if (!is_evpn_enabled()) | |
2990 | return; | |
2991 | ||
2992 | if (use_json) | |
2993 | json = json_object_new_object(); | |
2994 | ||
2995 | memset(&wctx, 0, sizeof(wctx)); | |
2996 | wctx.vty = vty; | |
2997 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
2998 | wctx.r_vtep_ip = vtep_ip; | |
2999 | wctx.json = json; | |
3000 | hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn, &wctx); | |
3001 | ||
3002 | if (use_json) | |
3003 | vty_json(vty, json); | |
3004 | } | |
3005 | ||
3006 | /* | |
3007 | * Display specific MAC for a VNI, if present (VTY command handler). | |
3008 | */ | |
3009 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
3010 | vni_t vni, struct ethaddr *macaddr, | |
3011 | bool use_json) | |
3012 | { | |
3013 | struct zebra_evpn *zevpn; | |
3014 | struct zebra_mac *mac; | |
3015 | json_object *json = NULL; | |
3016 | ||
3017 | if (!is_evpn_enabled()) | |
3018 | return; | |
3019 | ||
3020 | zevpn = zebra_evpn_lookup(vni); | |
3021 | if (!zevpn) { | |
3022 | if (use_json) | |
3023 | vty_out(vty, "{}\n"); | |
3024 | else | |
3025 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
3026 | return; | |
3027 | } | |
3028 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
3029 | if (!mac) { | |
3030 | if (use_json) | |
3031 | vty_out(vty, "{}\n"); | |
3032 | else | |
3033 | vty_out(vty, | |
3034 | "%% Requested MAC does not exist in VNI %u\n", | |
3035 | vni); | |
3036 | return; | |
3037 | } | |
3038 | ||
3039 | if (use_json) | |
3040 | json = json_object_new_object(); | |
3041 | ||
3042 | zebra_evpn_print_mac(mac, vty, json); | |
3043 | if (use_json) | |
3044 | vty_json(vty, json); | |
3045 | } | |
3046 | ||
3047 | /* Print Duplicate MACs per VNI */ | |
3048 | void zebra_vxlan_print_macs_vni_dad(struct vty *vty, | |
3049 | struct zebra_vrf *zvrf, | |
3050 | vni_t vni, bool use_json) | |
3051 | { | |
3052 | struct zebra_evpn *zevpn; | |
3053 | struct mac_walk_ctx wctx; | |
3054 | uint32_t num_macs; | |
3055 | json_object *json = NULL; | |
3056 | json_object *json_mac = NULL; | |
3057 | ||
3058 | if (!is_evpn_enabled()) | |
3059 | return; | |
3060 | ||
3061 | zevpn = zebra_evpn_lookup(vni); | |
3062 | if (!zevpn) { | |
3063 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
3064 | return; | |
3065 | } | |
3066 | ||
3067 | num_macs = num_valid_macs(zevpn); | |
3068 | if (!num_macs) | |
3069 | return; | |
3070 | ||
3071 | num_macs = num_dup_detected_macs(zevpn); | |
3072 | if (!num_macs) | |
3073 | return; | |
3074 | ||
3075 | if (use_json) { | |
3076 | json = json_object_new_object(); | |
3077 | json_mac = json_object_new_object(); | |
3078 | } | |
3079 | ||
3080 | memset(&wctx, 0, sizeof(wctx)); | |
3081 | wctx.zevpn = zevpn; | |
3082 | wctx.vty = vty; | |
3083 | wctx.json = json_mac; | |
3084 | ||
3085 | if (!use_json) { | |
3086 | vty_out(vty, | |
3087 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
3088 | num_macs); | |
3089 | vty_out(vty, "%-17s %-6s %-5s %-30s %-5s\n", "MAC", "Type", | |
3090 | "Flags", "Intf/Remote ES/VTEP", "VLAN"); | |
3091 | } else | |
3092 | json_object_int_add(json, "numMacs", num_macs); | |
3093 | ||
3094 | hash_iterate(zevpn->mac_table, zebra_evpn_print_dad_mac_hash, &wctx); | |
3095 | ||
3096 | if (use_json) { | |
3097 | json_object_object_add(json, "macs", json_mac); | |
3098 | vty_json(vty, json); | |
3099 | } | |
3100 | ||
3101 | } | |
3102 | ||
3103 | int zebra_vxlan_clear_dup_detect_vni_mac(struct zebra_vrf *zvrf, vni_t vni, | |
3104 | struct ethaddr *macaddr, char *errmsg, | |
3105 | size_t errmsg_len) | |
3106 | { | |
3107 | struct zebra_evpn *zevpn; | |
3108 | struct zebra_mac *mac; | |
3109 | struct listnode *node = NULL; | |
3110 | struct zebra_neigh *nbr = NULL; | |
3111 | ||
3112 | if (!is_evpn_enabled()) | |
3113 | return 0; | |
3114 | ||
3115 | zevpn = zebra_evpn_lookup(vni); | |
3116 | if (!zevpn) { | |
3117 | snprintfrr(errmsg, errmsg_len, "VNI %u does not exist", vni); | |
3118 | return -1; | |
3119 | } | |
3120 | ||
3121 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
3122 | if (!mac) { | |
3123 | snprintf(errmsg, errmsg_len, | |
3124 | "Requested MAC does not exist in VNI %u\n", vni); | |
3125 | return -1; | |
3126 | } | |
3127 | ||
3128 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
3129 | snprintfrr(errmsg, errmsg_len, | |
3130 | "Requested MAC is not duplicate detected\n"); | |
3131 | return -1; | |
3132 | } | |
3133 | ||
3134 | /* Remove all IPs as duplicate associcated with this MAC */ | |
3135 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
3136 | /* For local neigh mark inactive so MACIP update is generated | |
3137 | * to BGP. This is a scenario where MAC update received | |
3138 | * and detected as duplicate which marked neigh as duplicate. | |
3139 | * Later local neigh update did not get a chance to relay | |
3140 | * to BGP. Similarly remote macip update, neigh needs to be | |
3141 | * installed locally. | |
3142 | */ | |
3143 | if (zvrf->dad_freeze && | |
3144 | CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
3145 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
3146 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
3147 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
3148 | zebra_evpn_rem_neigh_install( | |
3149 | zevpn, nbr, false /*was_static*/); | |
3150 | } | |
3151 | ||
3152 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
3153 | nbr->dad_count = 0; | |
3154 | nbr->detect_start_time.tv_sec = 0; | |
3155 | nbr->dad_dup_detect_time = 0; | |
3156 | } | |
3157 | ||
3158 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
3159 | mac->dad_count = 0; | |
3160 | mac->detect_start_time.tv_sec = 0; | |
3161 | mac->detect_start_time.tv_usec = 0; | |
3162 | mac->dad_dup_detect_time = 0; | |
3163 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
3164 | ||
3165 | /* warn-only action return */ | |
3166 | if (!zvrf->dad_freeze) | |
3167 | return 0; | |
3168 | ||
3169 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ | |
3170 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
3171 | /* Inform to BGP */ | |
3172 | if (zebra_evpn_mac_send_add_to_client(zevpn->vni, &mac->macaddr, | |
3173 | mac->flags, mac->loc_seq, | |
3174 | mac->es)) | |
3175 | return 0; | |
3176 | ||
3177 | /* Process all neighbors associated with this MAC. */ | |
3178 | zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0, | |
3179 | 0 /*es_change*/); | |
3180 | ||
3181 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
3182 | zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac); | |
3183 | ||
3184 | /* Install the entry. */ | |
3185 | zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */); | |
3186 | } | |
3187 | ||
3188 | return 0; | |
3189 | } | |
3190 | ||
3191 | int zebra_vxlan_clear_dup_detect_vni_ip(struct zebra_vrf *zvrf, vni_t vni, | |
3192 | struct ipaddr *ip, char *errmsg, | |
3193 | size_t errmsg_len) | |
3194 | { | |
3195 | struct zebra_evpn *zevpn; | |
3196 | struct zebra_neigh *nbr; | |
3197 | struct zebra_mac *mac; | |
3198 | char buf[INET6_ADDRSTRLEN]; | |
3199 | char buf2[ETHER_ADDR_STRLEN]; | |
3200 | ||
3201 | if (!is_evpn_enabled()) | |
3202 | return 0; | |
3203 | ||
3204 | zevpn = zebra_evpn_lookup(vni); | |
3205 | if (!zevpn) { | |
3206 | snprintfrr(errmsg, errmsg_len, "VNI %u does not exist\n", vni); | |
3207 | return -1; | |
3208 | } | |
3209 | ||
3210 | nbr = zebra_evpn_neigh_lookup(zevpn, ip); | |
3211 | if (!nbr) { | |
3212 | snprintfrr(errmsg, errmsg_len, | |
3213 | "Requested host IP does not exist in VNI %u\n", vni); | |
3214 | return -1; | |
3215 | } | |
3216 | ||
3217 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
3218 | ||
3219 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
3220 | snprintfrr(errmsg, errmsg_len, | |
3221 | "Requested host IP %s is not duplicate detected\n", | |
3222 | buf); | |
3223 | return -1; | |
3224 | } | |
3225 | ||
3226 | mac = zebra_evpn_mac_lookup(zevpn, &nbr->emac); | |
3227 | ||
3228 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
3229 | snprintfrr( | |
3230 | errmsg, errmsg_len, | |
3231 | "Requested IP's associated MAC %s is still in duplicate state\n", | |
3232 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2))); | |
3233 | return -1; | |
3234 | } | |
3235 | ||
3236 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3237 | zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u", | |
3238 | __func__, buf, nbr->flags, nbr->loc_seq); | |
3239 | ||
3240 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
3241 | nbr->dad_count = 0; | |
3242 | nbr->detect_start_time.tv_sec = 0; | |
3243 | nbr->detect_start_time.tv_usec = 0; | |
3244 | nbr->dad_dup_detect_time = 0; | |
3245 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
3246 | ||
3247 | if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
3248 | zebra_evpn_neigh_send_add_to_client(zevpn->vni, ip, &nbr->emac, | |
3249 | nbr->mac, nbr->flags, | |
3250 | nbr->loc_seq); | |
3251 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
3252 | zebra_evpn_rem_neigh_install(zevpn, nbr, false /*was_static*/); | |
3253 | } | |
3254 | ||
3255 | return 0; | |
3256 | } | |
3257 | ||
3258 | static void zevpn_clear_dup_mac_hash(struct hash_bucket *bucket, void *ctxt) | |
3259 | { | |
3260 | struct mac_walk_ctx *wctx = ctxt; | |
3261 | struct zebra_mac *mac; | |
3262 | struct zebra_evpn *zevpn; | |
3263 | struct listnode *node = NULL; | |
3264 | struct zebra_neigh *nbr = NULL; | |
3265 | ||
3266 | mac = (struct zebra_mac *)bucket->data; | |
3267 | if (!mac) | |
3268 | return; | |
3269 | ||
3270 | zevpn = wctx->zevpn; | |
3271 | ||
3272 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
3273 | return; | |
3274 | ||
3275 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
3276 | mac->dad_count = 0; | |
3277 | mac->detect_start_time.tv_sec = 0; | |
3278 | mac->detect_start_time.tv_usec = 0; | |
3279 | mac->dad_dup_detect_time = 0; | |
3280 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
3281 | ||
3282 | /* Remove all IPs as duplicate associcated with this MAC */ | |
3283 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
3284 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) | |
3285 | && nbr->dad_count) | |
3286 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
3287 | ||
3288 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
3289 | nbr->dad_count = 0; | |
3290 | nbr->detect_start_time.tv_sec = 0; | |
3291 | nbr->dad_dup_detect_time = 0; | |
3292 | } | |
3293 | ||
3294 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ | |
3295 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
3296 | /* Inform to BGP */ | |
3297 | if (zebra_evpn_mac_send_add_to_client(zevpn->vni, &mac->macaddr, | |
3298 | mac->flags, mac->loc_seq, | |
3299 | mac->es)) | |
3300 | return; | |
3301 | ||
3302 | /* Process all neighbors associated with this MAC. */ | |
3303 | zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0, | |
3304 | 0 /*es_change*/); | |
3305 | ||
3306 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
3307 | zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac); | |
3308 | ||
3309 | /* Install the entry. */ | |
3310 | zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */); | |
3311 | } | |
3312 | } | |
3313 | ||
3314 | static void zevpn_clear_dup_detect_hash_vni_all(struct hash_bucket *bucket, | |
3315 | void **args) | |
3316 | { | |
3317 | struct zebra_evpn *zevpn; | |
3318 | struct zebra_vrf *zvrf; | |
3319 | struct mac_walk_ctx m_wctx; | |
3320 | struct neigh_walk_ctx n_wctx; | |
3321 | ||
3322 | zevpn = (struct zebra_evpn *)bucket->data; | |
3323 | if (!zevpn) | |
3324 | return; | |
3325 | ||
3326 | zvrf = (struct zebra_vrf *)args[0]; | |
3327 | ||
3328 | if (hashcount(zevpn->neigh_table)) { | |
3329 | memset(&n_wctx, 0, sizeof(n_wctx)); | |
3330 | n_wctx.zevpn = zevpn; | |
3331 | n_wctx.zvrf = zvrf; | |
3332 | hash_iterate(zevpn->neigh_table, | |
3333 | zebra_evpn_clear_dup_neigh_hash, &n_wctx); | |
3334 | } | |
3335 | ||
3336 | if (num_valid_macs(zevpn)) { | |
3337 | memset(&m_wctx, 0, sizeof(m_wctx)); | |
3338 | m_wctx.zevpn = zevpn; | |
3339 | m_wctx.zvrf = zvrf; | |
3340 | hash_iterate(zevpn->mac_table, zevpn_clear_dup_mac_hash, &m_wctx); | |
3341 | } | |
3342 | ||
3343 | } | |
3344 | ||
3345 | int zebra_vxlan_clear_dup_detect_vni_all(struct zebra_vrf *zvrf) | |
3346 | { | |
3347 | void *args[1]; | |
3348 | ||
3349 | if (!is_evpn_enabled()) | |
3350 | return 0; | |
3351 | ||
3352 | args[0] = zvrf; | |
3353 | ||
3354 | hash_iterate(zvrf->evpn_table, | |
3355 | (void (*)(struct hash_bucket *, void *)) | |
3356 | zevpn_clear_dup_detect_hash_vni_all, args); | |
3357 | ||
3358 | return 0; | |
3359 | } | |
3360 | ||
3361 | int zebra_vxlan_clear_dup_detect_vni(struct zebra_vrf *zvrf, vni_t vni) | |
3362 | { | |
3363 | struct zebra_evpn *zevpn; | |
3364 | struct mac_walk_ctx m_wctx; | |
3365 | struct neigh_walk_ctx n_wctx; | |
3366 | ||
3367 | if (!is_evpn_enabled()) | |
3368 | return 0; | |
3369 | ||
3370 | zevpn = zebra_evpn_lookup(vni); | |
3371 | if (!zevpn) { | |
3372 | zlog_warn("VNI %u does not exist", vni); | |
3373 | return CMD_WARNING; | |
3374 | } | |
3375 | ||
3376 | if (hashcount(zevpn->neigh_table)) { | |
3377 | memset(&n_wctx, 0, sizeof(n_wctx)); | |
3378 | n_wctx.zevpn = zevpn; | |
3379 | n_wctx.zvrf = zvrf; | |
3380 | hash_iterate(zevpn->neigh_table, | |
3381 | zebra_evpn_clear_dup_neigh_hash, &n_wctx); | |
3382 | } | |
3383 | ||
3384 | if (num_valid_macs(zevpn)) { | |
3385 | memset(&m_wctx, 0, sizeof(m_wctx)); | |
3386 | m_wctx.zevpn = zevpn; | |
3387 | m_wctx.zvrf = zvrf; | |
3388 | hash_iterate(zevpn->mac_table, zevpn_clear_dup_mac_hash, &m_wctx); | |
3389 | } | |
3390 | ||
3391 | return 0; | |
3392 | } | |
3393 | ||
3394 | /* | |
3395 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
3396 | */ | |
3397 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, | |
3398 | vni_t vni, struct in_addr vtep_ip, | |
3399 | bool use_json) | |
3400 | { | |
3401 | struct zebra_evpn *zevpn; | |
3402 | uint32_t num_macs; | |
3403 | struct mac_walk_ctx wctx; | |
3404 | json_object *json = NULL; | |
3405 | json_object *json_mac = NULL; | |
3406 | ||
3407 | if (!is_evpn_enabled()) | |
3408 | return; | |
3409 | zevpn = zebra_evpn_lookup(vni); | |
3410 | if (!zevpn) { | |
3411 | if (use_json) | |
3412 | vty_out(vty, "{}\n"); | |
3413 | else | |
3414 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
3415 | return; | |
3416 | } | |
3417 | num_macs = num_valid_macs(zevpn); | |
3418 | if (!num_macs) | |
3419 | return; | |
3420 | ||
3421 | if (use_json) { | |
3422 | json = json_object_new_object(); | |
3423 | json_mac = json_object_new_object(); | |
3424 | } | |
3425 | ||
3426 | memset(&wctx, 0, sizeof(wctx)); | |
3427 | wctx.zevpn = zevpn; | |
3428 | wctx.vty = vty; | |
3429 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
3430 | wctx.r_vtep_ip = vtep_ip; | |
3431 | wctx.json = json_mac; | |
3432 | hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, &wctx); | |
3433 | ||
3434 | if (use_json) { | |
3435 | json_object_int_add(json, "numMacs", wctx.count); | |
3436 | if (wctx.count) | |
3437 | json_object_object_add(json, "macs", json_mac); | |
3438 | vty_json(vty, json); | |
3439 | } | |
3440 | } | |
3441 | ||
3442 | ||
3443 | /* | |
3444 | * Display VNI information (VTY command handler). | |
3445 | * | |
3446 | * use_json flag indicates that output should be in JSON format. | |
3447 | * json_array is non NULL when JSON output needs to be aggregated (by the | |
3448 | * caller) and then printed, otherwise, JSON evpn vni info is printed | |
3449 | * right away. | |
3450 | */ | |
3451 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, | |
3452 | bool use_json, json_object *json_array) | |
3453 | { | |
3454 | json_object *json = NULL; | |
3455 | void *args[2]; | |
3456 | struct zebra_l3vni *zl3vni = NULL; | |
3457 | struct zebra_evpn *zevpn = NULL; | |
3458 | ||
3459 | if (!is_evpn_enabled()) | |
3460 | return; | |
3461 | ||
3462 | if (use_json) | |
3463 | json = json_object_new_object(); | |
3464 | ||
3465 | args[0] = vty; | |
3466 | args[1] = json; | |
3467 | ||
3468 | zl3vni = zl3vni_lookup(vni); | |
3469 | if (zl3vni) { | |
3470 | zl3vni_print(zl3vni, (void *)args); | |
3471 | } else { | |
3472 | zevpn = zebra_evpn_lookup(vni); | |
3473 | if (zevpn) | |
3474 | zebra_evpn_print(zevpn, (void *)args); | |
3475 | else if (!json) | |
3476 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
3477 | } | |
3478 | ||
3479 | if (use_json) { | |
3480 | /* | |
3481 | * Each "json" object contains info about 1 VNI. | |
3482 | * When "json_array" is non-null, we aggreggate the json output | |
3483 | * into json_array and print it as a JSON array. | |
3484 | */ | |
3485 | if (json_array) | |
3486 | json_object_array_add(json_array, json); | |
3487 | else | |
3488 | vty_json(vty, json); | |
3489 | } | |
3490 | } | |
3491 | ||
3492 | /* Display all global details for EVPN */ | |
3493 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) | |
3494 | { | |
3495 | int num_l2vnis = 0; | |
3496 | int num_l3vnis = 0; | |
3497 | int num_vnis = 0; | |
3498 | json_object *json = NULL; | |
3499 | struct zebra_vrf *zvrf = NULL; | |
3500 | ||
3501 | if (!is_evpn_enabled()) | |
3502 | return; | |
3503 | ||
3504 | zvrf = zebra_vrf_get_evpn(); | |
3505 | ||
3506 | num_l3vnis = hashcount(zrouter.l3vni_table); | |
3507 | num_l2vnis = hashcount(zvrf->evpn_table); | |
3508 | num_vnis = num_l2vnis + num_l3vnis; | |
3509 | ||
3510 | if (uj) { | |
3511 | json = json_object_new_object(); | |
3512 | json_object_string_add(json, "advertiseGatewayMacip", | |
3513 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
3514 | json_object_int_add(json, "numVnis", num_vnis); | |
3515 | json_object_int_add(json, "numL2Vnis", num_l2vnis); | |
3516 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
3517 | if (zebra_evpn_do_dup_addr_detect(zvrf)) | |
3518 | json_object_boolean_true_add(json, | |
3519 | "isDuplicateAddrDetection"); | |
3520 | else | |
3521 | json_object_boolean_false_add(json, | |
3522 | "isDuplicateAddrDetection"); | |
3523 | json_object_int_add(json, "maxMoves", zvrf->dad_max_moves); | |
3524 | json_object_int_add(json, "detectionTime", zvrf->dad_time); | |
3525 | json_object_int_add(json, "detectionFreezeTime", | |
3526 | zvrf->dad_freeze_time); | |
3527 | zebra_evpn_mh_json(json); | |
3528 | } else { | |
3529 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); | |
3530 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
3531 | vty_out(vty, "Advertise gateway mac-ip: %s\n", | |
3532 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
3533 | vty_out(vty, "Advertise svi mac-ip: %s\n", | |
3534 | zvrf->advertise_svi_macip ? "Yes" : "No"); | |
3535 | vty_out(vty, "Advertise svi mac: %s\n", | |
3536 | zebra_evpn_mh_do_adv_svi_mac() ? "Yes" : "No"); | |
3537 | vty_out(vty, "Duplicate address detection: %s\n", | |
3538 | zebra_evpn_do_dup_addr_detect(zvrf) ? "Enable" | |
3539 | : "Disable"); | |
3540 | vty_out(vty, " Detection max-moves %u, time %d\n", | |
3541 | zvrf->dad_max_moves, zvrf->dad_time); | |
3542 | if (zvrf->dad_freeze) { | |
3543 | if (zvrf->dad_freeze_time) | |
3544 | vty_out(vty, " Detection freeze %u\n", | |
3545 | zvrf->dad_freeze_time); | |
3546 | else | |
3547 | vty_out(vty, " Detection freeze %s\n", | |
3548 | "permanent"); | |
3549 | } | |
3550 | zebra_evpn_mh_print(vty); | |
3551 | } | |
3552 | ||
3553 | if (uj) | |
3554 | vty_json(vty, json); | |
3555 | } | |
3556 | ||
3557 | /* | |
3558 | * Display VNI hash table (VTY command handler). | |
3559 | */ | |
3560 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
3561 | bool use_json) | |
3562 | { | |
3563 | json_object *json = NULL; | |
3564 | void *args[2]; | |
3565 | ||
3566 | if (!is_evpn_enabled()) | |
3567 | return; | |
3568 | ||
3569 | if (use_json) | |
3570 | json = json_object_new_object(); | |
3571 | else | |
3572 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", | |
3573 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
3574 | "# Remote VTEPs", "Tenant VRF"); | |
3575 | ||
3576 | args[0] = vty; | |
3577 | args[1] = json; | |
3578 | ||
3579 | /* Display all L2-VNIs */ | |
3580 | hash_iterate( | |
3581 | zvrf->evpn_table, | |
3582 | (void (*)(struct hash_bucket *, void *))zebra_evpn_print_hash, | |
3583 | args); | |
3584 | ||
3585 | /* Display all L3-VNIs */ | |
3586 | hash_iterate(zrouter.l3vni_table, | |
3587 | (void (*)(struct hash_bucket *, void *))zl3vni_print_hash, | |
3588 | args); | |
3589 | ||
3590 | if (use_json) | |
3591 | vty_json(vty, json); | |
3592 | } | |
3593 | ||
3594 | void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS) | |
3595 | { | |
3596 | struct stream *s; | |
3597 | int time = 0; | |
3598 | uint32_t max_moves = 0; | |
3599 | uint32_t freeze_time = 0; | |
3600 | bool dup_addr_detect = false; | |
3601 | bool freeze = false; | |
3602 | bool old_addr_detect; | |
3603 | ||
3604 | s = msg; | |
3605 | STREAM_GETL(s, dup_addr_detect); | |
3606 | STREAM_GETL(s, time); | |
3607 | STREAM_GETL(s, max_moves); | |
3608 | STREAM_GETL(s, freeze); | |
3609 | STREAM_GETL(s, freeze_time); | |
3610 | ||
3611 | old_addr_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
3612 | zvrf->dup_addr_detect = dup_addr_detect; | |
3613 | dup_addr_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
3614 | ||
3615 | /* DAD previous state was enabled, and new state is disable, | |
3616 | * clear all duplicate detected addresses. | |
3617 | */ | |
3618 | if (old_addr_detect && !dup_addr_detect) | |
3619 | zebra_vxlan_clear_dup_detect_vni_all(zvrf); | |
3620 | ||
3621 | zvrf->dad_time = time; | |
3622 | zvrf->dad_max_moves = max_moves; | |
3623 | zvrf->dad_freeze = freeze; | |
3624 | zvrf->dad_freeze_time = freeze_time; | |
3625 | ||
3626 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3627 | zlog_debug( | |
3628 | "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u", | |
3629 | vrf_id_to_name(zvrf->vrf->vrf_id), | |
3630 | dup_addr_detect ? "enable" : "disable", | |
3631 | zvrf->dad_max_moves, zvrf->dad_time, | |
3632 | zvrf->dad_freeze ? "enable" : "disable", | |
3633 | zvrf->dad_freeze_time); | |
3634 | ||
3635 | stream_failure: | |
3636 | return; | |
3637 | } | |
3638 | ||
3639 | /* | |
3640 | * Display VNI hash table in detail(VTY command handler). | |
3641 | */ | |
3642 | void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf, | |
3643 | bool use_json) | |
3644 | { | |
3645 | json_object *json_array = NULL; | |
3646 | struct zebra_ns *zns = NULL; | |
3647 | struct zebra_evpn_show zes; | |
3648 | ||
3649 | if (!is_evpn_enabled()) | |
3650 | return; | |
3651 | ||
3652 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3653 | if (!zns) | |
3654 | return; | |
3655 | ||
3656 | if (use_json) | |
3657 | json_array = json_object_new_array(); | |
3658 | ||
3659 | zes.vty = vty; | |
3660 | zes.json = json_array; | |
3661 | zes.zvrf = zvrf; | |
3662 | zes.use_json = use_json; | |
3663 | ||
3664 | /* Display all L2-VNIs */ | |
3665 | hash_iterate(zvrf->evpn_table, | |
3666 | (void (*)(struct hash_bucket *, | |
3667 | void *))zebra_evpn_print_hash_detail, | |
3668 | &zes); | |
3669 | ||
3670 | /* Display all L3-VNIs */ | |
3671 | hash_iterate(zrouter.l3vni_table, | |
3672 | (void (*)(struct hash_bucket *, | |
3673 | void *))zl3vni_print_hash_detail, | |
3674 | &zes); | |
3675 | ||
3676 | if (use_json) | |
3677 | vty_json(vty, json_array); | |
3678 | } | |
3679 | ||
3680 | /* | |
3681 | * Handle neighbor delete notification from the kernel (on a VLAN device | |
3682 | * / L3 interface). This may result in either the neighbor getting deleted | |
3683 | * from our database or being re-added to the kernel (if it is a valid | |
3684 | * remote neighbor). | |
3685 | */ | |
3686 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, | |
3687 | struct interface *link_if, | |
3688 | struct ipaddr *ip) | |
3689 | { | |
3690 | struct zebra_evpn *zevpn = NULL; | |
3691 | struct zebra_l3vni *zl3vni = NULL; | |
3692 | ||
3693 | /* check if this is a remote neigh entry corresponding to remote | |
3694 | * next-hop | |
3695 | */ | |
3696 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
3697 | if (zl3vni) | |
3698 | return zl3vni_local_nh_del(zl3vni, ip); | |
3699 | ||
3700 | /* We are only interested in neighbors on an SVI that resides on top | |
3701 | * of a VxLAN bridge. | |
3702 | */ | |
3703 | zevpn = zebra_evpn_from_svi(ifp, link_if); | |
3704 | if (!zevpn) { | |
3705 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3706 | zlog_debug( | |
3707 | "%s: Del neighbor %pIA EVPN is not present for interface %s", | |
3708 | __func__, ip, ifp->name); | |
3709 | return 0; | |
3710 | } | |
3711 | ||
3712 | if (!zevpn->vxlan_if) { | |
3713 | zlog_debug( | |
3714 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
3715 | zevpn->vni, zevpn); | |
3716 | return -1; | |
3717 | } | |
3718 | ||
3719 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3720 | zlog_debug("Del neighbor %pIA intf %s(%u) -> L2-VNI %u", | |
3721 | ip, ifp->name, ifp->ifindex, zevpn->vni); | |
3722 | ||
3723 | return zebra_evpn_neigh_del_ip(zevpn, ip); | |
3724 | } | |
3725 | ||
3726 | /* | |
3727 | * Handle neighbor add or update notification from the kernel (on a VLAN | |
3728 | * device / L3 interface). This is typically for a local neighbor but can | |
3729 | * also be for a remote neighbor (e.g., ageout notification). It could | |
3730 | * also be a "move" scenario. | |
3731 | */ | |
3732 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, | |
3733 | struct interface *link_if, | |
3734 | struct ipaddr *ip, | |
3735 | struct ethaddr *macaddr, | |
3736 | uint16_t state, | |
3737 | bool is_ext, | |
3738 | bool is_router, | |
3739 | bool local_inactive, bool dp_static) | |
3740 | { | |
3741 | struct zebra_evpn *zevpn = NULL; | |
3742 | struct zebra_l3vni *zl3vni = NULL; | |
3743 | ||
3744 | /* check if this is a remote neigh entry corresponding to remote | |
3745 | * next-hop | |
3746 | */ | |
3747 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
3748 | if (zl3vni) | |
3749 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
3750 | ||
3751 | /* We are only interested in neighbors on an SVI that resides on top | |
3752 | * of a VxLAN bridge. | |
3753 | */ | |
3754 | zevpn = zebra_evpn_from_svi(ifp, link_if); | |
3755 | if (!zevpn) | |
3756 | return 0; | |
3757 | ||
3758 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_NEIGH) | |
3759 | zlog_debug( | |
3760 | "Add/Update neighbor %pIA MAC %pEA intf %s(%u) state 0x%x %s%s%s%s-> L2-VNI %u", | |
3761 | ip, macaddr, ifp->name, | |
3762 | ifp->ifindex, state, is_ext ? "ext-learned " : "", | |
3763 | is_router ? "router " : "", | |
3764 | local_inactive ? "local_inactive " : "", | |
3765 | dp_static ? "peer_sync " : "", zevpn->vni); | |
3766 | ||
3767 | /* Is this about a local neighbor or a remote one? */ | |
3768 | if (!is_ext) | |
3769 | return zebra_evpn_local_neigh_update(zevpn, ifp, ip, macaddr, | |
3770 | is_router, local_inactive, | |
3771 | dp_static); | |
3772 | ||
3773 | return zebra_evpn_remote_neigh_update(zevpn, ifp, ip, macaddr, state); | |
3774 | } | |
3775 | ||
3776 | static int32_t | |
3777 | zebra_vxlan_remote_macip_helper(bool add, struct stream *s, vni_t *vni, | |
3778 | struct ethaddr *macaddr, uint16_t *ipa_len, | |
3779 | struct ipaddr *ip, struct in_addr *vtep_ip, | |
3780 | uint8_t *flags, uint32_t *seq, esi_t *esi) | |
3781 | { | |
3782 | uint16_t l = 0; | |
3783 | ||
3784 | /* | |
3785 | * Obtain each remote MACIP and process. | |
3786 | * Message contains VNI, followed by MAC followed by IP (if any) | |
3787 | * followed by remote VTEP IP. | |
3788 | */ | |
3789 | memset(ip, 0, sizeof(*ip)); | |
3790 | STREAM_GETL(s, *vni); | |
3791 | STREAM_GET(macaddr->octet, s, ETH_ALEN); | |
3792 | STREAM_GETW(s, *ipa_len); | |
3793 | ||
3794 | if (*ipa_len) { | |
3795 | if (*ipa_len == IPV4_MAX_BYTELEN) | |
3796 | ip->ipa_type = IPADDR_V4; | |
3797 | else if (*ipa_len == IPV6_MAX_BYTELEN) | |
3798 | ip->ipa_type = IPADDR_V6; | |
3799 | else { | |
3800 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3801 | zlog_debug( | |
3802 | "ipa_len *must* be %d or %d bytes in length not %d", | |
3803 | IPV4_MAX_BYTELEN, IPV6_MAX_BYTELEN, | |
3804 | *ipa_len); | |
3805 | goto stream_failure; | |
3806 | } | |
3807 | ||
3808 | STREAM_GET(&ip->ip.addr, s, *ipa_len); | |
3809 | } | |
3810 | l += 4 + ETH_ALEN + 4 + *ipa_len; | |
3811 | STREAM_GET(&vtep_ip->s_addr, s, IPV4_MAX_BYTELEN); | |
3812 | l += IPV4_MAX_BYTELEN; | |
3813 | ||
3814 | if (add) { | |
3815 | STREAM_GETC(s, *flags); | |
3816 | STREAM_GETL(s, *seq); | |
3817 | l += 5; | |
3818 | STREAM_GET(esi, s, sizeof(esi_t)); | |
3819 | l += sizeof(esi_t); | |
3820 | } | |
3821 | ||
3822 | return l; | |
3823 | ||
3824 | stream_failure: | |
3825 | return -1; | |
3826 | } | |
3827 | ||
3828 | /* | |
3829 | * Handle message from client to delete a remote MACIP for a VNI. | |
3830 | */ | |
3831 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) | |
3832 | { | |
3833 | struct stream *s; | |
3834 | vni_t vni; | |
3835 | struct ethaddr macaddr; | |
3836 | struct ipaddr ip; | |
3837 | struct in_addr vtep_ip; | |
3838 | uint16_t l = 0, ipa_len; | |
3839 | char buf1[INET6_ADDRSTRLEN]; | |
3840 | ||
3841 | s = msg; | |
3842 | ||
3843 | while (l < hdr->length) { | |
3844 | int res_length = zebra_vxlan_remote_macip_helper( | |
3845 | false, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip, NULL, | |
3846 | NULL, NULL); | |
3847 | ||
3848 | if (res_length == -1) | |
3849 | goto stream_failure; | |
3850 | ||
3851 | l += res_length; | |
3852 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3853 | zlog_debug( | |
3854 | "Recv MACIP DEL VNI %u MAC %pEA%s%s Remote VTEP %pI4 from %s", | |
3855 | vni, &macaddr, | |
3856 | ipa_len ? " IP " : "", | |
3857 | ipa_len ? | |
3858 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
3859 | &vtep_ip, zebra_route_string(client->proto)); | |
3860 | ||
3861 | /* Enqueue to workqueue for processing */ | |
3862 | zebra_rib_queue_evpn_rem_macip_del(vni, &macaddr, &ip, vtep_ip); | |
3863 | } | |
3864 | ||
3865 | stream_failure: | |
3866 | return; | |
3867 | } | |
3868 | ||
3869 | /* | |
3870 | * Handle message from client to add a remote MACIP for a VNI. This | |
3871 | * could be just the add of a MAC address or the add of a neighbor | |
3872 | * (IP+MAC). | |
3873 | */ | |
3874 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) | |
3875 | { | |
3876 | struct stream *s; | |
3877 | vni_t vni; | |
3878 | struct ethaddr macaddr; | |
3879 | struct ipaddr ip; | |
3880 | struct in_addr vtep_ip; | |
3881 | uint16_t l = 0, ipa_len; | |
3882 | uint8_t flags = 0; | |
3883 | uint32_t seq; | |
3884 | char buf1[INET6_ADDRSTRLEN]; | |
3885 | esi_t esi; | |
3886 | char esi_buf[ESI_STR_LEN]; | |
3887 | ||
3888 | if (!EVPN_ENABLED(zvrf)) { | |
3889 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); | |
3890 | return; | |
3891 | } | |
3892 | ||
3893 | s = msg; | |
3894 | ||
3895 | while (l < hdr->length) { | |
3896 | ||
3897 | int res_length = zebra_vxlan_remote_macip_helper( | |
3898 | true, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip, | |
3899 | &flags, &seq, &esi); | |
3900 | ||
3901 | if (res_length == -1) | |
3902 | goto stream_failure; | |
3903 | ||
3904 | l += res_length; | |
3905 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
3906 | if (memcmp(&esi, zero_esi, sizeof(esi_t))) | |
3907 | esi_to_str(&esi, esi_buf, sizeof(esi_buf)); | |
3908 | else | |
3909 | strlcpy(esi_buf, "-", ESI_STR_LEN); | |
3910 | zlog_debug( | |
3911 | "Recv %sMACIP ADD VNI %u MAC %pEA%s%s flags 0x%x seq %u VTEP %pI4 ESI %s from %s", | |
3912 | (flags & ZEBRA_MACIP_TYPE_SYNC_PATH) ? | |
3913 | "sync-" : "", | |
3914 | vni, &macaddr, | |
3915 | ipa_len ? " IP " : "", | |
3916 | ipa_len ? | |
3917 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
3918 | flags, seq, &vtep_ip, esi_buf, | |
3919 | zebra_route_string(client->proto)); | |
3920 | } | |
3921 | ||
3922 | /* Enqueue to workqueue for processing */ | |
3923 | zebra_rib_queue_evpn_rem_macip_add(vni, &macaddr, &ip, flags, | |
3924 | seq, vtep_ip, &esi); | |
3925 | } | |
3926 | ||
3927 | stream_failure: | |
3928 | return; | |
3929 | } | |
3930 | ||
3931 | /* | |
3932 | * Handle remote vtep delete by kernel; re-add the vtep if we have it | |
3933 | */ | |
3934 | int zebra_vxlan_check_readd_vtep(struct interface *ifp, | |
3935 | struct in_addr vtep_ip) | |
3936 | { | |
3937 | struct zebra_if *zif; | |
3938 | struct zebra_vrf *zvrf = NULL; | |
3939 | struct zebra_l2info_vxlan *vxl; | |
3940 | vni_t vni; | |
3941 | struct zebra_evpn *zevpn = NULL; | |
3942 | struct zebra_vtep *zvtep = NULL; | |
3943 | ||
3944 | zif = ifp->info; | |
3945 | assert(zif); | |
3946 | vxl = &zif->l2info.vxl; | |
3947 | vni = vxl->vni; | |
3948 | ||
3949 | /* If EVPN is not enabled, nothing to do. */ | |
3950 | if (!is_evpn_enabled()) | |
3951 | return 0; | |
3952 | ||
3953 | /* Locate VRF corresponding to interface. */ | |
3954 | zvrf = ifp->vrf->info; | |
3955 | if (!zvrf) | |
3956 | return -1; | |
3957 | ||
3958 | /* Locate hash entry; it is expected to exist. */ | |
3959 | zevpn = zebra_evpn_lookup(vni); | |
3960 | if (!zevpn) | |
3961 | return 0; | |
3962 | ||
3963 | /* If the remote vtep entry doesn't exists nothing to do */ | |
3964 | zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip); | |
3965 | if (!zvtep) | |
3966 | return 0; | |
3967 | ||
3968 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3969 | zlog_debug( | |
3970 | "Del MAC for remote VTEP %pI4 intf %s(%u) VNI %u - readd", | |
3971 | &vtep_ip, ifp->name, ifp->ifindex, vni); | |
3972 | ||
3973 | zebra_evpn_vtep_install(zevpn, zvtep); | |
3974 | return 0; | |
3975 | } | |
3976 | ||
3977 | /* | |
3978 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying | |
3979 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
3980 | * of any prior local MAC. | |
3981 | */ | |
3982 | static int zebra_vxlan_check_del_local_mac(struct interface *ifp, | |
3983 | struct interface *br_if, | |
3984 | struct ethaddr *macaddr, | |
3985 | vlanid_t vid) | |
3986 | { | |
3987 | struct zebra_if *zif; | |
3988 | struct zebra_l2info_vxlan *vxl; | |
3989 | vni_t vni; | |
3990 | struct zebra_evpn *zevpn; | |
3991 | struct zebra_mac *mac; | |
3992 | ||
3993 | zif = ifp->info; | |
3994 | assert(zif); | |
3995 | vxl = &zif->l2info.vxl; | |
3996 | vni = vxl->vni; | |
3997 | ||
3998 | /* Check if EVPN is enabled. */ | |
3999 | if (!is_evpn_enabled()) | |
4000 | return 0; | |
4001 | ||
4002 | /* Locate hash entry; it is expected to exist. */ | |
4003 | zevpn = zebra_evpn_lookup(vni); | |
4004 | if (!zevpn) | |
4005 | return 0; | |
4006 | ||
4007 | /* If entry doesn't exist, nothing to do. */ | |
4008 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
4009 | if (!mac) | |
4010 | return 0; | |
4011 | ||
4012 | /* Is it a local entry? */ | |
4013 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
4014 | return 0; | |
4015 | ||
4016 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4017 | zlog_debug( | |
4018 | "Add/update remote MAC %pEA intf %s(%u) VNI %u flags 0x%x - del local", | |
4019 | macaddr, ifp->name, ifp->ifindex, vni, mac->flags); | |
4020 | ||
4021 | /* Remove MAC from BGP. */ | |
4022 | zebra_evpn_mac_send_del_to_client(zevpn->vni, macaddr, mac->flags, | |
4023 | false /* force */); | |
4024 | ||
4025 | /* | |
4026 | * If there are no neigh associated with the mac delete the mac | |
4027 | * else mark it as AUTO for forward reference | |
4028 | */ | |
4029 | if (!listcount(mac->neigh_list)) { | |
4030 | zebra_evpn_mac_del(zevpn, mac); | |
4031 | } else { | |
4032 | zebra_evpn_mac_clear_fwd_info(mac); | |
4033 | UNSET_FLAG(mac->flags, ZEBRA_MAC_ALL_LOCAL_FLAGS); | |
4034 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4035 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4036 | } | |
4037 | ||
4038 | return 0; | |
4039 | } | |
4040 | ||
4041 | /* MAC notification from the dataplane with a network dest port - | |
4042 | * 1. This can be a local MAC on a down ES (if fast-failover is not possible | |
4043 | * 2. Or it can be a remote MAC | |
4044 | */ | |
4045 | int zebra_vxlan_dp_network_mac_add(struct interface *ifp, | |
4046 | struct interface *br_if, | |
4047 | struct ethaddr *macaddr, vlanid_t vid, | |
4048 | uint32_t nhg_id, bool sticky, bool dp_static) | |
4049 | { | |
4050 | struct zebra_evpn_es *es; | |
4051 | struct interface *acc_ifp; | |
4052 | ||
4053 | /* If netlink message is with vid, it will have no nexthop. | |
4054 | * So skip it. | |
4055 | */ | |
4056 | if (vid) { | |
4057 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
4058 | zlog_debug("dpAdd MAC %pEA VID %u - ignore as no nhid", | |
4059 | macaddr, vid); | |
4060 | return 0; | |
4061 | } | |
4062 | ||
4063 | /* Get vxlan's vid for netlink message has no it. */ | |
4064 | vid = ((struct zebra_if *)ifp->info)->l2info.vxl.access_vlan; | |
4065 | ||
4066 | /* if remote mac delete the local entry */ | |
4067 | if (!nhg_id || !zebra_evpn_nhg_is_local_es(nhg_id, &es) | |
4068 | || !zebra_evpn_es_local_mac_via_network_port(es)) { | |
4069 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
4070 | zlog_debug("dpAdd remote MAC %pEA VID %u", macaddr, | |
4071 | vid); | |
4072 | return zebra_vxlan_check_del_local_mac(ifp, br_if, macaddr, | |
4073 | vid); | |
4074 | } | |
4075 | ||
4076 | /* If local MAC on a down local ES translate the network-mac-add | |
4077 | * to a local-active-mac-add | |
4078 | */ | |
4079 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
4080 | zlog_debug("dpAdd local-nw-MAC %pEA VID %u", macaddr, vid); | |
4081 | acc_ifp = es->zif->ifp; | |
4082 | return zebra_vxlan_local_mac_add_update( | |
4083 | acc_ifp, br_if, macaddr, vid, sticky, | |
4084 | false /* local_inactive */, dp_static); | |
4085 | } | |
4086 | ||
4087 | /* | |
4088 | * Handle network MAC delete by kernel - | |
4089 | * 1. readd the remote MAC if we have it | |
4090 | * 2. local MAC with does ES may also need to be re-installed | |
4091 | */ | |
4092 | int zebra_vxlan_dp_network_mac_del(struct interface *ifp, | |
4093 | struct interface *br_if, | |
4094 | struct ethaddr *macaddr, vlanid_t vid) | |
4095 | { | |
4096 | struct zebra_if *zif = NULL; | |
4097 | struct zebra_l2info_vxlan *vxl = NULL; | |
4098 | vni_t vni; | |
4099 | struct zebra_evpn *zevpn = NULL; | |
4100 | struct zebra_l3vni *zl3vni = NULL; | |
4101 | struct zebra_mac *mac = NULL; | |
4102 | ||
4103 | zif = ifp->info; | |
4104 | assert(zif); | |
4105 | vxl = &zif->l2info.vxl; | |
4106 | vni = vxl->vni; | |
4107 | ||
4108 | /* Check if EVPN is enabled. */ | |
4109 | if (!is_evpn_enabled()) | |
4110 | return 0; | |
4111 | ||
4112 | /* check if this is a remote RMAC and readd simillar to remote macs */ | |
4113 | zl3vni = zl3vni_lookup(vni); | |
4114 | if (zl3vni) | |
4115 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
4116 | ||
4117 | /* Locate hash entry; it is expected to exist. */ | |
4118 | zevpn = zebra_evpn_lookup(vni); | |
4119 | if (!zevpn) | |
4120 | return 0; | |
4121 | ||
4122 | /* If entry doesn't exist, nothing to do. */ | |
4123 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
4124 | if (!mac) | |
4125 | return 0; | |
4126 | ||
4127 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4128 | /* If remote entry simply re-install */ | |
4129 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
4130 | zlog_debug( | |
4131 | "dpDel remote MAC %pEA intf %s(%u) VNI %u - readd", | |
4132 | macaddr, ifp->name, ifp->ifindex, vni); | |
4133 | zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */); | |
4134 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) && mac->es | |
4135 | && zebra_evpn_es_local_mac_via_network_port(mac->es)) { | |
4136 | /* If local entry via nw-port call local-del which will | |
4137 | * re-install entry in the dataplane is needed | |
4138 | */ | |
4139 | if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
4140 | zlog_debug("dpDel local-nw-MAC %pEA VNI %u", macaddr, | |
4141 | vni); | |
4142 | ||
4143 | zebra_evpn_del_local_mac(zevpn, mac, false); | |
4144 | } | |
4145 | ||
4146 | return 0; | |
4147 | } | |
4148 | ||
4149 | /* | |
4150 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). | |
4151 | */ | |
4152 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, | |
4153 | struct ethaddr *macaddr, vlanid_t vid) | |
4154 | { | |
4155 | struct zebra_evpn *zevpn; | |
4156 | struct zebra_mac *mac; | |
4157 | ||
4158 | /* We are interested in MACs only on ports or (port, VLAN) that | |
4159 | * map to a VNI. | |
4160 | */ | |
4161 | zevpn = zebra_evpn_map_vlan(ifp, br_if, vid); | |
4162 | if (!zevpn) | |
4163 | return 0; | |
4164 | if (!zevpn->vxlan_if) { | |
4165 | zlog_debug( | |
4166 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
4167 | zevpn->vni, zevpn); | |
4168 | return -1; | |
4169 | } | |
4170 | ||
4171 | /* If entry doesn't exist, nothing to do. */ | |
4172 | mac = zebra_evpn_mac_lookup(zevpn, macaddr); | |
4173 | if (!mac) | |
4174 | return 0; | |
4175 | ||
4176 | /* Is it a local entry? */ | |
4177 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
4178 | return 0; | |
4179 | ||
4180 | return zebra_evpn_del_local_mac(zevpn, mac, false); | |
4181 | } | |
4182 | ||
4183 | /* | |
4184 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). | |
4185 | */ | |
4186 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, | |
4187 | struct interface *br_if, | |
4188 | struct ethaddr *macaddr, vlanid_t vid, | |
4189 | bool sticky, bool local_inactive, | |
4190 | bool dp_static) | |
4191 | { | |
4192 | struct zebra_evpn *zevpn; | |
4193 | struct zebra_vrf *zvrf; | |
4194 | ||
4195 | assert(ifp); | |
4196 | ||
4197 | /* We are interested in MACs only on ports or (port, VLAN) that | |
4198 | * map to an EVPN. | |
4199 | */ | |
4200 | zevpn = zebra_evpn_map_vlan(ifp, br_if, vid); | |
4201 | if (!zevpn) { | |
4202 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4203 | zlog_debug( | |
4204 | " Add/Update %sMAC %pEA intf %s(%u) VID %u, could not find EVPN", | |
4205 | sticky ? "sticky " : "", macaddr, | |
4206 | ifp->name, ifp->ifindex, vid); | |
4207 | return 0; | |
4208 | } | |
4209 | ||
4210 | if (!zevpn->vxlan_if) { | |
4211 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4212 | zlog_debug( | |
4213 | " VNI %u hash %p doesn't have intf upon local MAC ADD", | |
4214 | zevpn->vni, zevpn); | |
4215 | return -1; | |
4216 | } | |
4217 | ||
4218 | zvrf = zebra_vrf_get_evpn(); | |
4219 | return zebra_evpn_add_update_local_mac(zvrf, zevpn, ifp, macaddr, vid, | |
4220 | sticky, local_inactive, | |
4221 | dp_static, NULL); | |
4222 | } | |
4223 | ||
4224 | /* | |
4225 | * Handle message from client to delete a remote VTEP for an EVPN. | |
4226 | */ | |
4227 | void zebra_vxlan_remote_vtep_del_zapi(ZAPI_HANDLER_ARGS) | |
4228 | { | |
4229 | struct stream *s; | |
4230 | unsigned short l = 0; | |
4231 | vni_t vni; | |
4232 | struct in_addr vtep_ip; | |
4233 | ||
4234 | if (!is_evpn_enabled()) { | |
4235 | zlog_debug( | |
4236 | "%s: EVPN is not enabled yet we have received a VTEP DEL msg", | |
4237 | __func__); | |
4238 | return; | |
4239 | } | |
4240 | ||
4241 | if (!EVPN_ENABLED(zvrf)) { | |
4242 | zlog_debug("Recv VTEP DEL zapi for non-EVPN VRF %u", | |
4243 | zvrf_id(zvrf)); | |
4244 | return; | |
4245 | } | |
4246 | ||
4247 | s = msg; | |
4248 | ||
4249 | while (l < hdr->length) { | |
4250 | int flood_control __attribute__((unused)); | |
4251 | ||
4252 | /* Obtain each remote VTEP and process. */ | |
4253 | STREAM_GETL(s, vni); | |
4254 | l += 4; | |
4255 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); | |
4256 | l += IPV4_MAX_BYTELEN; | |
4257 | ||
4258 | /* Flood control is intentionally ignored right now */ | |
4259 | STREAM_GETL(s, flood_control); | |
4260 | l += 4; | |
4261 | ||
4262 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4263 | zlog_debug("Recv VTEP DEL %pI4 VNI %u from %s", | |
4264 | &vtep_ip, vni, | |
4265 | zebra_route_string(client->proto)); | |
4266 | ||
4267 | /* Enqueue for processing */ | |
4268 | zebra_rib_queue_evpn_rem_vtep_del(zvrf_id(zvrf), vni, vtep_ip); | |
4269 | } | |
4270 | ||
4271 | stream_failure: | |
4272 | return; | |
4273 | } | |
4274 | ||
4275 | /* | |
4276 | * Handle message from client to delete a remote VTEP for an EVPN. | |
4277 | */ | |
4278 | void zebra_vxlan_remote_vtep_del(vrf_id_t vrf_id, vni_t vni, | |
4279 | struct in_addr vtep_ip) | |
4280 | { | |
4281 | struct zebra_evpn *zevpn; | |
4282 | struct zebra_vtep *zvtep; | |
4283 | struct interface *ifp; | |
4284 | struct zebra_if *zif; | |
4285 | struct zebra_vrf *zvrf; | |
4286 | ||
4287 | if (!is_evpn_enabled()) { | |
4288 | zlog_debug("%s: Can't process vtep del: EVPN is not enabled", | |
4289 | __func__); | |
4290 | return; | |
4291 | } | |
4292 | ||
4293 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
4294 | if (!zvrf) | |
4295 | return; | |
4296 | ||
4297 | if (!EVPN_ENABLED(zvrf)) { | |
4298 | zlog_debug("Can't process VTEP DEL for non-EVPN VRF %u", | |
4299 | zvrf_id(zvrf)); | |
4300 | return; | |
4301 | } | |
4302 | ||
4303 | /* Locate VNI hash entry - expected to exist. */ | |
4304 | zevpn = zebra_evpn_lookup(vni); | |
4305 | if (!zevpn) { | |
4306 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4307 | zlog_debug( | |
4308 | "Failed to locate VNI hash for remote VTEP DEL, VNI %u", | |
4309 | vni); | |
4310 | return; | |
4311 | } | |
4312 | ||
4313 | ifp = zevpn->vxlan_if; | |
4314 | if (!ifp) { | |
4315 | zlog_debug( | |
4316 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", | |
4317 | zevpn->vni, zevpn); | |
4318 | return; | |
4319 | } | |
4320 | zif = ifp->info; | |
4321 | ||
4322 | /* If down or not mapped to a bridge, we're done. */ | |
4323 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4324 | return; | |
4325 | ||
4326 | /* If the remote VTEP does not exist, there's nothing more to | |
4327 | * do. | |
4328 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
4329 | * and then, the VTEP entry itself and remove it. | |
4330 | */ | |
4331 | zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip); | |
4332 | if (!zvtep) | |
4333 | return; | |
4334 | ||
4335 | zebra_evpn_vtep_uninstall(zevpn, &vtep_ip); | |
4336 | zebra_evpn_vtep_del(zevpn, zvtep); | |
4337 | } | |
4338 | ||
4339 | /* | |
4340 | * Handle message from client to add a remote VTEP for an EVPN. | |
4341 | */ | |
4342 | void zebra_vxlan_remote_vtep_add(vrf_id_t vrf_id, vni_t vni, | |
4343 | struct in_addr vtep_ip, int flood_control) | |
4344 | { | |
4345 | struct zebra_evpn *zevpn; | |
4346 | struct interface *ifp; | |
4347 | struct zebra_if *zif; | |
4348 | struct zebra_vtep *zvtep; | |
4349 | struct zebra_vrf *zvrf; | |
4350 | ||
4351 | if (!is_evpn_enabled()) { | |
4352 | zlog_debug("%s: EVPN not enabled: can't process a VTEP ADD", | |
4353 | __func__); | |
4354 | return; | |
4355 | } | |
4356 | ||
4357 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
4358 | if (!zvrf) | |
4359 | return; | |
4360 | ||
4361 | if (!EVPN_ENABLED(zvrf)) { | |
4362 | zlog_debug("Can't process VTEP ADD for non-EVPN VRF %u", | |
4363 | zvrf_id(zvrf)); | |
4364 | return; | |
4365 | } | |
4366 | ||
4367 | /* Locate VNI hash entry - expected to exist. */ | |
4368 | zevpn = zebra_evpn_lookup(vni); | |
4369 | if (!zevpn) { | |
4370 | flog_err( | |
4371 | EC_ZEBRA_VTEP_ADD_FAILED, | |
4372 | "Failed to locate EVPN hash upon remote VTEP ADD, VNI %u", | |
4373 | vni); | |
4374 | return; | |
4375 | } | |
4376 | ||
4377 | ifp = zevpn->vxlan_if; | |
4378 | if (!ifp) { | |
4379 | flog_err( | |
4380 | EC_ZEBRA_VTEP_ADD_FAILED, | |
4381 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
4382 | zevpn->vni, zevpn); | |
4383 | return; | |
4384 | } | |
4385 | ||
4386 | zif = ifp->info; | |
4387 | ||
4388 | /* If down or not mapped to a bridge, we're done. */ | |
4389 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4390 | return; | |
4391 | ||
4392 | zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip); | |
4393 | if (zvtep) { | |
4394 | /* If the remote VTEP already exists check if | |
4395 | * the flood mode has changed | |
4396 | */ | |
4397 | if (zvtep->flood_control != flood_control) { | |
4398 | if (zvtep->flood_control == VXLAN_FLOOD_DISABLED) | |
4399 | /* old mode was head-end-replication but | |
4400 | * is no longer; get rid of the HER fdb | |
4401 | * entry installed before | |
4402 | */ | |
4403 | zebra_evpn_vtep_uninstall(zevpn, &vtep_ip); | |
4404 | zvtep->flood_control = flood_control; | |
4405 | zebra_evpn_vtep_install(zevpn, zvtep); | |
4406 | } | |
4407 | } else { | |
4408 | zvtep = zebra_evpn_vtep_add(zevpn, &vtep_ip, flood_control); | |
4409 | if (zvtep) | |
4410 | zebra_evpn_vtep_install(zevpn, zvtep); | |
4411 | else | |
4412 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, | |
4413 | "Failed to add remote VTEP, VNI %u zevpn %p", | |
4414 | vni, zevpn); | |
4415 | } | |
4416 | } | |
4417 | ||
4418 | /* | |
4419 | * Handle message from client to add a remote VTEP for an EVPN. | |
4420 | */ | |
4421 | void zebra_vxlan_remote_vtep_add_zapi(ZAPI_HANDLER_ARGS) | |
4422 | { | |
4423 | struct stream *s; | |
4424 | unsigned short l = 0; | |
4425 | vni_t vni; | |
4426 | struct in_addr vtep_ip; | |
4427 | int flood_control; | |
4428 | ||
4429 | if (!is_evpn_enabled()) { | |
4430 | zlog_debug( | |
4431 | "%s: EVPN not enabled yet we received a VTEP ADD zapi msg", | |
4432 | __func__); | |
4433 | return; | |
4434 | } | |
4435 | ||
4436 | if (!EVPN_ENABLED(zvrf)) { | |
4437 | zlog_debug("Recv VTEP ADD zapi for non-EVPN VRF %u", | |
4438 | zvrf_id(zvrf)); | |
4439 | return; | |
4440 | } | |
4441 | ||
4442 | s = msg; | |
4443 | ||
4444 | while (l < hdr->length) { | |
4445 | /* Obtain each remote VTEP and process. */ | |
4446 | STREAM_GETL(s, vni); | |
4447 | l += 4; | |
4448 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); | |
4449 | STREAM_GETL(s, flood_control); | |
4450 | l += IPV4_MAX_BYTELEN + 4; | |
4451 | ||
4452 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4453 | zlog_debug("Recv VTEP ADD %pI4 VNI %u flood %d from %s", | |
4454 | &vtep_ip, vni, flood_control, | |
4455 | zebra_route_string(client->proto)); | |
4456 | ||
4457 | /* Enqueue for processing */ | |
4458 | zebra_rib_queue_evpn_rem_vtep_add(zvrf_id(zvrf), vni, vtep_ip, | |
4459 | flood_control); | |
4460 | } | |
4461 | ||
4462 | stream_failure: | |
4463 | return; | |
4464 | } | |
4465 | ||
4466 | /* | |
4467 | * Add/Del gateway macip to evpn | |
4468 | * g/w can be: | |
4469 | * 1. SVI interface on a vlan aware bridge | |
4470 | * 2. SVI interface on a vlan unaware bridge | |
4471 | * 3. vrr interface (MACVLAN) associated to a SVI | |
4472 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
4473 | */ | |
4474 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, const struct prefix *p, | |
4475 | int add) | |
4476 | { | |
4477 | struct ipaddr ip; | |
4478 | struct ethaddr macaddr; | |
4479 | struct zebra_evpn *zevpn = NULL; | |
4480 | ||
4481 | memset(&ip, 0, sizeof(ip)); | |
4482 | memset(&macaddr, 0, sizeof(macaddr)); | |
4483 | ||
4484 | /* Check if EVPN is enabled. */ | |
4485 | if (!is_evpn_enabled()) | |
4486 | return 0; | |
4487 | ||
4488 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { | |
4489 | struct interface *svi_if = | |
4490 | NULL; /* SVI corresponding to the MACVLAN */ | |
4491 | struct zebra_if *ifp_zif = | |
4492 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
4493 | struct zebra_if *svi_if_zif = | |
4494 | NULL; /* Zebra daemon specific info for SVI*/ | |
4495 | ||
4496 | ifp_zif = ifp->info; | |
4497 | if (!ifp_zif) | |
4498 | return -1; | |
4499 | ||
4500 | /* | |
4501 | * for a MACVLAN interface the link represents the svi_if | |
4502 | */ | |
4503 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
4504 | ifp_zif->link_ifindex); | |
4505 | if (!svi_if) { | |
4506 | zlog_debug("MACVLAN %s(%u) without link information", | |
4507 | ifp->name, ifp->ifindex); | |
4508 | return -1; | |
4509 | } | |
4510 | ||
4511 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
4512 | /* | |
4513 | * If it is a vlan aware bridge then the link gives the | |
4514 | * bridge information | |
4515 | */ | |
4516 | struct interface *svi_if_link = NULL; | |
4517 | ||
4518 | svi_if_zif = svi_if->info; | |
4519 | if (svi_if_zif) { | |
4520 | svi_if_link = if_lookup_by_index_per_ns( | |
4521 | zebra_ns_lookup(NS_DEFAULT), | |
4522 | svi_if_zif->link_ifindex); | |
4523 | zevpn = zebra_evpn_from_svi(svi_if, | |
4524 | svi_if_link); | |
4525 | } | |
4526 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { | |
4527 | /* | |
4528 | * If it is a vlan unaware bridge then svi is the bridge | |
4529 | * itself | |
4530 | */ | |
4531 | zevpn = zebra_evpn_from_svi(svi_if, svi_if); | |
4532 | } | |
4533 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
4534 | struct zebra_if *svi_if_zif = | |
4535 | NULL; /* Zebra daemon specific info for SVI */ | |
4536 | struct interface *svi_if_link = | |
4537 | NULL; /* link info for the SVI = bridge info */ | |
4538 | ||
4539 | svi_if_zif = ifp->info; | |
4540 | if (svi_if_zif) { | |
4541 | svi_if_link = if_lookup_by_index_per_ns( | |
4542 | zebra_ns_lookup(NS_DEFAULT), | |
4543 | svi_if_zif->link_ifindex); | |
4544 | if (svi_if_link) | |
4545 | zevpn = zebra_evpn_from_svi(ifp, svi_if_link); | |
4546 | } | |
4547 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { | |
4548 | zevpn = zebra_evpn_from_svi(ifp, ifp); | |
4549 | } | |
4550 | ||
4551 | if (!zevpn) | |
4552 | return 0; | |
4553 | ||
4554 | if (!zevpn->vxlan_if) { | |
4555 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
4556 | zevpn->vni, zevpn); | |
4557 | return -1; | |
4558 | } | |
4559 | ||
4560 | /* VRR IP is advertised only if gw-macip-adv-enabled */ | |
4561 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { | |
4562 | if (!advertise_gw_macip_enabled(zevpn)) | |
4563 | return 0; | |
4564 | } else { | |
4565 | /* SVI IP is advertised if gw or svi macip-adv-enabled */ | |
4566 | if (!advertise_svi_macip_enabled(zevpn) | |
4567 | && !advertise_gw_macip_enabled(zevpn)) | |
4568 | return 0; | |
4569 | } | |
4570 | ||
4571 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
4572 | ||
4573 | if (p->family == AF_INET) { | |
4574 | ip.ipa_type = IPADDR_V4; | |
4575 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
4576 | sizeof(struct in_addr)); | |
4577 | } else if (p->family == AF_INET6) { | |
4578 | ip.ipa_type = IPADDR_V6; | |
4579 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
4580 | sizeof(struct in6_addr)); | |
4581 | } | |
4582 | ||
4583 | ||
4584 | if (add) | |
4585 | zebra_evpn_gw_macip_add(ifp, zevpn, &macaddr, &ip); | |
4586 | else | |
4587 | zebra_evpn_gw_macip_del(ifp, zevpn, &ip); | |
4588 | ||
4589 | return 0; | |
4590 | } | |
4591 | ||
4592 | /* | |
4593 | * Handle SVI interface going down. | |
4594 | * SVI can be associated to either L3-VNI or L2-VNI. | |
4595 | * For L2-VNI: At this point, this is a NOP since | |
4596 | * the kernel deletes the neighbor entries on this SVI (if any). | |
4597 | * We only need to update the vrf corresponding to zevpn. | |
4598 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
4599 | * from bgp | |
4600 | */ | |
4601 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) | |
4602 | { | |
4603 | struct zebra_l3vni *zl3vni = NULL; | |
4604 | ||
4605 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4606 | if (zl3vni) { | |
4607 | ||
4608 | /* process l3-vni down */ | |
4609 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4610 | ||
4611 | /* remove association with svi-if */ | |
4612 | zl3vni->svi_if = NULL; | |
4613 | } else { | |
4614 | struct zebra_evpn *zevpn = NULL; | |
4615 | ||
4616 | /* Unlink the SVI from the access VLAN */ | |
4617 | zebra_evpn_acc_bd_svi_set(ifp->info, link_if->info, false); | |
4618 | ||
4619 | /* since we dont have svi corresponding to zevpn, we associate it | |
4620 | * to default vrf. Note: the corresponding neigh entries on the | |
4621 | * SVI would have already been deleted */ | |
4622 | zevpn = zebra_evpn_from_svi(ifp, link_if); | |
4623 | ||
4624 | if (zevpn) { | |
4625 | /* remove from l3-vni list */ | |
4626 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
4627 | if (zl3vni) | |
4628 | listnode_delete(zl3vni->l2vnis, zevpn); | |
4629 | ||
4630 | zevpn->svi_if = NULL; | |
4631 | zevpn->vrf_id = VRF_DEFAULT; | |
4632 | ||
4633 | /* update the tenant vrf in BGP */ | |
4634 | if (if_is_operative(zevpn->vxlan_if)) | |
4635 | zebra_evpn_send_add_to_client(zevpn); | |
4636 | } | |
4637 | } | |
4638 | return 0; | |
4639 | } | |
4640 | ||
4641 | /* | |
4642 | * Handle SVI interface coming up. | |
4643 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
4644 | * vxlan intf). | |
4645 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
4646 | * arp-suppression) | |
4647 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
4648 | */ | |
4649 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) | |
4650 | { | |
4651 | struct zebra_evpn *zevpn = NULL; | |
4652 | struct zebra_l3vni *zl3vni = NULL; | |
4653 | ||
4654 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4655 | if (zl3vni) { | |
4656 | ||
4657 | /* associate with svi */ | |
4658 | zl3vni->svi_if = ifp; | |
4659 | ||
4660 | /* process oper-up */ | |
4661 | if (is_l3vni_oper_up(zl3vni)) | |
4662 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4663 | } else { | |
4664 | ||
4665 | /* process SVI up for l2-vni */ | |
4666 | struct neigh_walk_ctx n_wctx; | |
4667 | ||
4668 | zevpn = zebra_evpn_from_svi(ifp, link_if); | |
4669 | if (!zevpn) | |
4670 | return 0; | |
4671 | ||
4672 | if (!zevpn->vxlan_if) { | |
4673 | zlog_debug( | |
4674 | "VNI %u hash %p doesn't have intf upon SVI up", | |
4675 | zevpn->vni, zevpn); | |
4676 | return -1; | |
4677 | } | |
4678 | ||
4679 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4680 | zlog_debug( | |
4681 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
4682 | ifp->name, ifp->ifindex, zevpn->vni, | |
4683 | ifp->vrf->name); | |
4684 | ||
4685 | /* update the vrf information for l2-vni and inform bgp */ | |
4686 | zevpn->svi_if = ifp; | |
4687 | zevpn->vrf_id = ifp->vrf->vrf_id; | |
4688 | ||
4689 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
4690 | if (zl3vni) | |
4691 | listnode_add_sort_nodup(zl3vni->l2vnis, zevpn); | |
4692 | ||
4693 | if (if_is_operative(zevpn->vxlan_if)) | |
4694 | zebra_evpn_send_add_to_client(zevpn); | |
4695 | ||
4696 | /* Install any remote neighbors for this VNI. */ | |
4697 | memset(&n_wctx, 0, sizeof(n_wctx)); | |
4698 | n_wctx.zevpn = zevpn; | |
4699 | hash_iterate(zevpn->neigh_table, zebra_evpn_install_neigh_hash, | |
4700 | &n_wctx); | |
4701 | ||
4702 | /* Link the SVI from the access VLAN */ | |
4703 | zebra_evpn_acc_bd_svi_set(ifp->info, link_if->info, true); | |
4704 | ||
4705 | /* Update MACIP routes created by advertise-svi-ip */ | |
4706 | if (advertise_svi_macip_enabled(zevpn)) { | |
4707 | zebra_evpn_del_macip_for_intf(ifp, zevpn); | |
4708 | zebra_evpn_add_macip_for_intf(ifp, zevpn); | |
4709 | } | |
4710 | } | |
4711 | ||
4712 | return 0; | |
4713 | } | |
4714 | ||
4715 | /* | |
4716 | * Handle MAC-VLAN interface going down. | |
4717 | * L3VNI: When MAC-VLAN interface goes down, | |
4718 | * find its associated SVI and update type2/type-5 routes | |
4719 | * with SVI as RMAC | |
4720 | */ | |
4721 | void zebra_vxlan_macvlan_down(struct interface *ifp) | |
4722 | { | |
4723 | struct zebra_l3vni *zl3vni = NULL; | |
4724 | struct zebra_if *zif, *link_zif; | |
4725 | struct interface *link_ifp, *link_if; | |
4726 | ||
4727 | zif = ifp->info; | |
4728 | assert(zif); | |
4729 | link_ifp = zif->link; | |
4730 | if (!link_ifp) { | |
4731 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4732 | zlog_debug( | |
4733 | "macvlan parent link is not found. Parent index %d ifp %s", | |
4734 | zif->link_ifindex, | |
4735 | ifindex2ifname(zif->link_ifindex, | |
4736 | ifp->vrf->vrf_id)); | |
4737 | return; | |
4738 | } | |
4739 | link_zif = link_ifp->info; | |
4740 | assert(link_zif); | |
4741 | ||
4742 | link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
4743 | link_zif->link_ifindex); | |
4744 | ||
4745 | zl3vni = zl3vni_from_svi(link_ifp, link_if); | |
4746 | if (zl3vni) { | |
4747 | zl3vni->mac_vlan_if = NULL; | |
4748 | if (is_l3vni_oper_up(zl3vni)) | |
4749 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4750 | } | |
4751 | } | |
4752 | ||
4753 | /* | |
4754 | * Handle MAC-VLAN interface going up. | |
4755 | * L3VNI: When MAC-VLAN interface comes up, | |
4756 | * find its associated SVI and update type-2 routes | |
4757 | * with MAC-VLAN's MAC as RMAC and for type-5 routes | |
4758 | * use SVI's MAC as RMAC. | |
4759 | */ | |
4760 | void zebra_vxlan_macvlan_up(struct interface *ifp) | |
4761 | { | |
4762 | struct zebra_l3vni *zl3vni = NULL; | |
4763 | struct zebra_if *zif, *link_zif; | |
4764 | struct interface *link_ifp, *link_if; | |
4765 | ||
4766 | zif = ifp->info; | |
4767 | assert(zif); | |
4768 | link_ifp = zif->link; | |
4769 | link_zif = link_ifp->info; | |
4770 | assert(link_zif); | |
4771 | ||
4772 | link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
4773 | link_zif->link_ifindex); | |
4774 | zl3vni = zl3vni_from_svi(link_ifp, link_if); | |
4775 | if (zl3vni) { | |
4776 | /* associate with macvlan (VRR) interface */ | |
4777 | zl3vni->mac_vlan_if = ifp; | |
4778 | ||
4779 | /* process oper-up */ | |
4780 | if (is_l3vni_oper_up(zl3vni)) | |
4781 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4782 | } | |
4783 | } | |
4784 | ||
4785 | /* | |
4786 | * Handle VxLAN interface down | |
4787 | */ | |
4788 | int zebra_vxlan_if_down(struct interface *ifp) | |
4789 | { | |
4790 | vni_t vni; | |
4791 | struct zebra_if *zif = NULL; | |
4792 | struct zebra_l2info_vxlan *vxl = NULL; | |
4793 | struct zebra_l3vni *zl3vni = NULL; | |
4794 | struct zebra_evpn *zevpn; | |
4795 | ||
4796 | /* Check if EVPN is enabled. */ | |
4797 | if (!is_evpn_enabled()) | |
4798 | return 0; | |
4799 | ||
4800 | zif = ifp->info; | |
4801 | assert(zif); | |
4802 | vxl = &zif->l2info.vxl; | |
4803 | vni = vxl->vni; | |
4804 | ||
4805 | zl3vni = zl3vni_lookup(vni); | |
4806 | if (zl3vni) { | |
4807 | /* process-if-down for l3-vni */ | |
4808 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4809 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, | |
4810 | ifp->ifindex, vni); | |
4811 | ||
4812 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4813 | } else { | |
4814 | /* process if-down for l2-vni */ | |
4815 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4816 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, | |
4817 | ifp->ifindex, vni); | |
4818 | ||
4819 | /* Locate hash entry; it is expected to exist. */ | |
4820 | zevpn = zebra_evpn_lookup(vni); | |
4821 | if (!zevpn) { | |
4822 | zlog_debug( | |
4823 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", | |
4824 | ifp->name, ifp->ifindex, vni); | |
4825 | return -1; | |
4826 | } | |
4827 | ||
4828 | assert(zevpn->vxlan_if == ifp); | |
4829 | ||
4830 | /* remove from l3-vni list */ | |
4831 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
4832 | if (zl3vni) | |
4833 | listnode_delete(zl3vni->l2vnis, zevpn); | |
4834 | ||
4835 | /* Delete this VNI from BGP. */ | |
4836 | zebra_evpn_send_del_to_client(zevpn); | |
4837 | ||
4838 | /* Free up all neighbors and MACs, if any. */ | |
4839 | zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH); | |
4840 | zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC); | |
4841 | ||
4842 | /* Free up all remote VTEPs, if any. */ | |
4843 | zebra_evpn_vtep_del_all(zevpn, 1); | |
4844 | } | |
4845 | return 0; | |
4846 | } | |
4847 | ||
4848 | /* | |
4849 | * Handle VxLAN interface up - update BGP if required. | |
4850 | */ | |
4851 | int zebra_vxlan_if_up(struct interface *ifp) | |
4852 | { | |
4853 | vni_t vni; | |
4854 | struct zebra_if *zif = NULL; | |
4855 | struct zebra_l2info_vxlan *vxl = NULL; | |
4856 | struct zebra_evpn *zevpn = NULL; | |
4857 | struct zebra_l3vni *zl3vni = NULL; | |
4858 | ||
4859 | /* Check if EVPN is enabled. */ | |
4860 | if (!is_evpn_enabled()) | |
4861 | return 0; | |
4862 | ||
4863 | zif = ifp->info; | |
4864 | assert(zif); | |
4865 | vxl = &zif->l2info.vxl; | |
4866 | vni = vxl->vni; | |
4867 | ||
4868 | zl3vni = zl3vni_lookup(vni); | |
4869 | if (zl3vni) { | |
4870 | /* we need to associate with SVI, if any, we can associate with | |
4871 | * svi-if only after association with vxlan-intf is complete | |
4872 | */ | |
4873 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
4874 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); | |
4875 | ||
4876 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4877 | zlog_debug("Intf %s(%u) L3-VNI %u is UP svi_if %s mac_vlan_if %s" | |
4878 | , ifp->name, ifp->ifindex, vni, | |
4879 | zl3vni->svi_if ? zl3vni->svi_if->name : "NIL", | |
4880 | zl3vni->mac_vlan_if ? | |
4881 | zl3vni->mac_vlan_if->name : "NIL"); | |
4882 | ||
4883 | if (is_l3vni_oper_up(zl3vni)) | |
4884 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4885 | } else { | |
4886 | /* Handle L2-VNI add */ | |
4887 | struct interface *vlan_if = NULL; | |
4888 | ||
4889 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4890 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, | |
4891 | ifp->ifindex, vni); | |
4892 | ||
4893 | /* Locate hash entry; it is expected to exist. */ | |
4894 | zevpn = zebra_evpn_lookup(vni); | |
4895 | if (!zevpn) { | |
4896 | zlog_debug( | |
4897 | "Failed to locate EVPN hash at UP, IF %s(%u) VNI %u", | |
4898 | ifp->name, ifp->ifindex, vni); | |
4899 | return -1; | |
4900 | } | |
4901 | ||
4902 | assert(zevpn->vxlan_if == ifp); | |
4903 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
4904 | zif->brslave_info.br_if); | |
4905 | if (vlan_if) { | |
4906 | zevpn->svi_if = vlan_if; | |
4907 | zevpn->vrf_id = vlan_if->vrf->vrf_id; | |
4908 | zl3vni = zl3vni_from_vrf(vlan_if->vrf->vrf_id); | |
4909 | if (zl3vni) | |
4910 | listnode_add_sort_nodup(zl3vni->l2vnis, zevpn); | |
4911 | } | |
4912 | ||
4913 | /* If part of a bridge, inform BGP about this VNI. */ | |
4914 | /* Also, read and populate local MACs and neighbors. */ | |
4915 | if (zif->brslave_info.br_if) { | |
4916 | zebra_evpn_send_add_to_client(zevpn); | |
4917 | zebra_evpn_read_mac_neigh(zevpn, ifp); | |
4918 | } | |
4919 | } | |
4920 | ||
4921 | return 0; | |
4922 | } | |
4923 | ||
4924 | /* | |
4925 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
4926 | * and update BGP, if required. | |
4927 | */ | |
4928 | int zebra_vxlan_if_del(struct interface *ifp) | |
4929 | { | |
4930 | vni_t vni; | |
4931 | struct zebra_if *zif = NULL; | |
4932 | struct zebra_l2info_vxlan *vxl = NULL; | |
4933 | struct zebra_evpn *zevpn = NULL; | |
4934 | struct zebra_l3vni *zl3vni = NULL; | |
4935 | ||
4936 | /* Check if EVPN is enabled. */ | |
4937 | if (!is_evpn_enabled()) | |
4938 | return 0; | |
4939 | ||
4940 | zif = ifp->info; | |
4941 | assert(zif); | |
4942 | vxl = &zif->l2info.vxl; | |
4943 | vni = vxl->vni; | |
4944 | ||
4945 | zl3vni = zl3vni_lookup(vni); | |
4946 | if (zl3vni) { | |
4947 | ||
4948 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4949 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, | |
4950 | ifp->ifindex); | |
4951 | ||
4952 | /* process oper-down for l3-vni */ | |
4953 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4954 | ||
4955 | /* remove the association with vxlan_if */ | |
4956 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); | |
4957 | zl3vni->vxlan_if = NULL; | |
4958 | } else { | |
4959 | ||
4960 | /* process if-del for l2-vni*/ | |
4961 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4962 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, | |
4963 | ifp->ifindex); | |
4964 | ||
4965 | /* Locate hash entry; it is expected to exist. */ | |
4966 | zevpn = zebra_evpn_lookup(vni); | |
4967 | if (!zevpn) { | |
4968 | zlog_debug( | |
4969 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", | |
4970 | ifp->name, ifp->ifindex, vni); | |
4971 | return 0; | |
4972 | } | |
4973 | ||
4974 | /* remove from l3-vni list */ | |
4975 | zl3vni = zl3vni_from_vrf(zevpn->vrf_id); | |
4976 | if (zl3vni) | |
4977 | listnode_delete(zl3vni->l2vnis, zevpn); | |
4978 | /* Delete VNI from BGP. */ | |
4979 | zebra_evpn_send_del_to_client(zevpn); | |
4980 | ||
4981 | /* Free up all neighbors and MAC, if any. */ | |
4982 | zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH); | |
4983 | zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC); | |
4984 | ||
4985 | /* Free up all remote VTEPs, if any. */ | |
4986 | zebra_evpn_vtep_del_all(zevpn, 0); | |
4987 | ||
4988 | /* Delete the hash entry. */ | |
4989 | if (zebra_evpn_vxlan_del(zevpn)) { | |
4990 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, | |
4991 | "Failed to del EVPN hash %p, IF %s(%u) VNI %u", | |
4992 | zevpn, ifp->name, ifp->ifindex, zevpn->vni); | |
4993 | return -1; | |
4994 | } | |
4995 | } | |
4996 | return 0; | |
4997 | } | |
4998 | ||
4999 | /* | |
5000 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
5001 | */ | |
5002 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) | |
5003 | { | |
5004 | vni_t vni; | |
5005 | struct zebra_if *zif = NULL; | |
5006 | struct zebra_l2info_vxlan *vxl = NULL; | |
5007 | struct zebra_evpn *zevpn = NULL; | |
5008 | struct zebra_l3vni *zl3vni = NULL; | |
5009 | struct interface *vlan_if = NULL; | |
5010 | ||
5011 | /* Check if EVPN is enabled. */ | |
5012 | if (!is_evpn_enabled()) | |
5013 | return 0; | |
5014 | ||
5015 | zif = ifp->info; | |
5016 | assert(zif); | |
5017 | vxl = &zif->l2info.vxl; | |
5018 | vni = vxl->vni; | |
5019 | ||
5020 | zl3vni = zl3vni_lookup(vni); | |
5021 | if (zl3vni) { | |
5022 | ||
5023 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5024 | zlog_debug( | |
5025 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %pI4 master %u chg 0x%x", | |
5026 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, | |
5027 | &vxl->vtep_ip, | |
5028 | zif->brslave_info.bridge_ifindex, chgflags); | |
5029 | ||
5030 | /* Removed from bridge? Cleanup and return */ | |
5031 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
5032 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
5033 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5034 | return 0; | |
5035 | } | |
5036 | ||
5037 | if ((chgflags & ZEBRA_VXLIF_MASTER_MAC_CHANGE) | |
5038 | && if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) { | |
5039 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5040 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5041 | return 0; | |
5042 | } | |
5043 | ||
5044 | /* access-vlan change - process oper down, associate with new | |
5045 | * svi_if and then process oper up again | |
5046 | */ | |
5047 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
5048 | if (if_is_operative(ifp)) { | |
5049 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5050 | zl3vni->svi_if = NULL; | |
5051 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
5052 | zl3vni->mac_vlan_if = | |
5053 | zl3vni_map_to_mac_vlan_if(zl3vni); | |
5054 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
5055 | if (is_l3vni_oper_up(zl3vni)) | |
5056 | zebra_vxlan_process_l3vni_oper_up( | |
5057 | zl3vni); | |
5058 | } | |
5059 | } | |
5060 | ||
5061 | /* | |
5062 | * local-ip change - process oper down, associate with new | |
5063 | * local-ip and then process oper up again | |
5064 | */ | |
5065 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
5066 | if (if_is_operative(ifp)) { | |
5067 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5068 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
5069 | if (is_l3vni_oper_up(zl3vni)) | |
5070 | zebra_vxlan_process_l3vni_oper_up( | |
5071 | zl3vni); | |
5072 | } | |
5073 | } | |
5074 | ||
5075 | /* Update local tunnel IP. */ | |
5076 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
5077 | ||
5078 | /* if we have a valid new master, process l3-vni oper up */ | |
5079 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
5080 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
5081 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5082 | } | |
5083 | } else { | |
5084 | ||
5085 | /* Update VNI hash. */ | |
5086 | zevpn = zebra_evpn_lookup(vni); | |
5087 | if (!zevpn) { | |
5088 | zlog_debug( | |
5089 | "Failed to find EVPN hash on update, IF %s(%u) VNI %u", | |
5090 | ifp->name, ifp->ifindex, vni); | |
5091 | return -1; | |
5092 | } | |
5093 | ||
5094 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5095 | zlog_debug( | |
5096 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %pI4 master %u chg 0x%x", | |
5097 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, | |
5098 | &vxl->vtep_ip, | |
5099 | zif->brslave_info.bridge_ifindex, chgflags); | |
5100 | ||
5101 | /* Removed from bridge? Cleanup and return */ | |
5102 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
5103 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
5104 | /* Delete from client, remove all remote VTEPs */ | |
5105 | /* Also, free up all MACs and neighbors. */ | |
5106 | zevpn->svi_if = NULL; | |
5107 | zebra_evpn_send_del_to_client(zevpn); | |
5108 | zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH); | |
5109 | zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC); | |
5110 | zebra_evpn_vtep_del_all(zevpn, 1); | |
5111 | return 0; | |
5112 | } | |
5113 | ||
5114 | /* Handle other changes. */ | |
5115 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
5116 | /* Remove all existing local neigh and MACs for this VNI | |
5117 | * (including from BGP) | |
5118 | */ | |
5119 | zebra_evpn_neigh_del_all(zevpn, 0, 1, DEL_LOCAL_MAC); | |
5120 | zebra_evpn_mac_del_all(zevpn, 0, 1, DEL_LOCAL_MAC); | |
5121 | } | |
5122 | ||
5123 | if (zevpn->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || | |
5124 | zevpn->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
5125 | zebra_vxlan_sg_deref(zevpn->local_vtep_ip, | |
5126 | zevpn->mcast_grp); | |
5127 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
5128 | zevpn->local_vtep_ip = vxl->vtep_ip; | |
5129 | zevpn->mcast_grp = vxl->mcast_grp; | |
5130 | /* on local vtep-ip check if ES orig-ip | |
5131 | * needs to be updated | |
5132 | */ | |
5133 | zebra_evpn_es_set_base_evpn(zevpn); | |
5134 | } | |
5135 | zevpn_vxlan_if_set(zevpn, ifp, true /* set */); | |
5136 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5137 | zif->brslave_info.br_if); | |
5138 | if (vlan_if) { | |
5139 | zevpn->svi_if = vlan_if; | |
5140 | zevpn->vrf_id = vlan_if->vrf->vrf_id; | |
5141 | zl3vni = zl3vni_from_vrf(vlan_if->vrf->vrf_id); | |
5142 | if (zl3vni) | |
5143 | listnode_add_sort_nodup(zl3vni->l2vnis, zevpn); | |
5144 | } | |
5145 | ||
5146 | /* Take further actions needed. | |
5147 | * Note that if we are here, there is a change of interest. | |
5148 | */ | |
5149 | /* If down or not mapped to a bridge, we're done. */ | |
5150 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
5151 | return 0; | |
5152 | ||
5153 | /* Inform BGP, if there is a change of interest. */ | |
5154 | if (chgflags & | |
5155 | (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE | | |
5156 | ZEBRA_VXLIF_MCAST_GRP_CHANGE | ZEBRA_VXLIF_VLAN_CHANGE)) | |
5157 | zebra_evpn_send_add_to_client(zevpn); | |
5158 | ||
5159 | /* If there is a valid new master or a VLAN mapping change, | |
5160 | * read and populate local MACs and neighbors. | |
5161 | * Also, reinstall any remote MACs and neighbors | |
5162 | * for this VNI (based on new VLAN). | |
5163 | */ | |
5164 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
5165 | zebra_evpn_read_mac_neigh(zevpn, ifp); | |
5166 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
5167 | struct mac_walk_ctx m_wctx; | |
5168 | struct neigh_walk_ctx n_wctx; | |
5169 | ||
5170 | zebra_evpn_read_mac_neigh(zevpn, ifp); | |
5171 | ||
5172 | memset(&m_wctx, 0, sizeof(m_wctx)); | |
5173 | m_wctx.zevpn = zevpn; | |
5174 | hash_iterate(zevpn->mac_table, | |
5175 | zebra_evpn_install_mac_hash, &m_wctx); | |
5176 | ||
5177 | memset(&n_wctx, 0, sizeof(n_wctx)); | |
5178 | n_wctx.zevpn = zevpn; | |
5179 | hash_iterate(zevpn->neigh_table, | |
5180 | zebra_evpn_install_neigh_hash, &n_wctx); | |
5181 | } | |
5182 | } | |
5183 | ||
5184 | return 0; | |
5185 | } | |
5186 | ||
5187 | /* | |
5188 | * Handle VxLAN interface add. | |
5189 | */ | |
5190 | int zebra_vxlan_if_add(struct interface *ifp) | |
5191 | { | |
5192 | vni_t vni; | |
5193 | struct zebra_if *zif = NULL; | |
5194 | struct zebra_l2info_vxlan *vxl = NULL; | |
5195 | struct zebra_evpn *zevpn = NULL; | |
5196 | struct zebra_l3vni *zl3vni = NULL; | |
5197 | ||
5198 | /* Check if EVPN is enabled. */ | |
5199 | if (!is_evpn_enabled()) | |
5200 | return 0; | |
5201 | ||
5202 | zif = ifp->info; | |
5203 | assert(zif); | |
5204 | vxl = &zif->l2info.vxl; | |
5205 | vni = vxl->vni; | |
5206 | ||
5207 | zl3vni = zl3vni_lookup(vni); | |
5208 | if (zl3vni) { | |
5209 | ||
5210 | /* process if-add for l3-vni*/ | |
5211 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5212 | zlog_debug( | |
5213 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %pI4 master %u", | |
5214 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, | |
5215 | &vxl->vtep_ip, | |
5216 | zif->brslave_info.bridge_ifindex); | |
5217 | ||
5218 | /* associate with vxlan_if */ | |
5219 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
5220 | zl3vni->vxlan_if = ifp; | |
5221 | ||
5222 | /* Associate with SVI, if any. We can associate with svi-if only | |
5223 | * after association with vxlan_if is complete */ | |
5224 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
5225 | ||
5226 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); | |
5227 | ||
5228 | if (is_l3vni_oper_up(zl3vni)) | |
5229 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5230 | } else { | |
5231 | ||
5232 | /* process if-add for l2-vni */ | |
5233 | struct interface *vlan_if = NULL; | |
5234 | ||
5235 | /* Create or update EVPN hash. */ | |
5236 | zevpn = zebra_evpn_lookup(vni); | |
5237 | if (!zevpn) | |
5238 | zevpn = zebra_evpn_add(vni); | |
5239 | ||
5240 | if (zevpn->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || | |
5241 | zevpn->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
5242 | zebra_vxlan_sg_deref(zevpn->local_vtep_ip, | |
5243 | zevpn->mcast_grp); | |
5244 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
5245 | zevpn->local_vtep_ip = vxl->vtep_ip; | |
5246 | zevpn->mcast_grp = vxl->mcast_grp; | |
5247 | /* on local vtep-ip check if ES orig-ip | |
5248 | * needs to be updated | |
5249 | */ | |
5250 | zebra_evpn_es_set_base_evpn(zevpn); | |
5251 | } | |
5252 | zevpn_vxlan_if_set(zevpn, ifp, true /* set */); | |
5253 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5254 | zif->brslave_info.br_if); | |
5255 | if (vlan_if) { | |
5256 | zevpn->svi_if = vlan_if; | |
5257 | zevpn->vrf_id = vlan_if->vrf->vrf_id; | |
5258 | zl3vni = zl3vni_from_vrf(vlan_if->vrf->vrf_id); | |
5259 | if (zl3vni) | |
5260 | listnode_add_sort_nodup(zl3vni->l2vnis, zevpn); | |
5261 | } | |
5262 | ||
5263 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5264 | zlog_debug( | |
5265 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %pI4 mcast_grp %pI4 master %u", | |
5266 | vni, | |
5267 | vlan_if ? vlan_if->vrf->name : VRF_DEFAULT_NAME, | |
5268 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
5269 | &vxl->vtep_ip, &vxl->mcast_grp, | |
5270 | zif->brslave_info.bridge_ifindex); | |
5271 | ||
5272 | /* If down or not mapped to a bridge, we're done. */ | |
5273 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
5274 | return 0; | |
5275 | ||
5276 | /* Inform BGP */ | |
5277 | zebra_evpn_send_add_to_client(zevpn); | |
5278 | ||
5279 | /* Read and populate local MACs and neighbors */ | |
5280 | zebra_evpn_read_mac_neigh(zevpn, ifp); | |
5281 | } | |
5282 | ||
5283 | return 0; | |
5284 | } | |
5285 | ||
5286 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, | |
5287 | char *err, int err_str_sz, int filter, | |
5288 | int add) | |
5289 | { | |
5290 | struct zebra_l3vni *zl3vni = NULL; | |
5291 | struct zebra_vrf *zvrf_evpn = NULL; | |
5292 | ||
5293 | zvrf_evpn = zebra_vrf_get_evpn(); | |
5294 | ||
5295 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5296 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, | |
5297 | add ? "ADD" : "DEL"); | |
5298 | ||
5299 | if (add) { | |
5300 | /* check if the vni is already present under zvrf */ | |
5301 | if (zvrf->l3vni) { | |
5302 | snprintf(err, err_str_sz, | |
5303 | "VNI is already configured under the vrf"); | |
5304 | return -1; | |
5305 | } | |
5306 | ||
5307 | /* check if this VNI is already present in the system */ | |
5308 | zl3vni = zl3vni_lookup(vni); | |
5309 | if (zl3vni) { | |
5310 | snprintf(err, err_str_sz, | |
5311 | "VNI is already configured as L3-VNI"); | |
5312 | return -1; | |
5313 | } | |
5314 | ||
5315 | /* Remove L2VNI if present */ | |
5316 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
5317 | ||
5318 | /* add the L3-VNI to the global table */ | |
5319 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
5320 | ||
5321 | /* associate the vrf with vni */ | |
5322 | zvrf->l3vni = vni; | |
5323 | ||
5324 | /* set the filter in l3vni to denote if we are using l3vni only | |
5325 | * for prefix routes | |
5326 | */ | |
5327 | if (filter) | |
5328 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
5329 | ||
5330 | /* associate with vxlan-intf; | |
5331 | * we need to associate with the vxlan-intf first | |
5332 | */ | |
5333 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); | |
5334 | ||
5335 | /* associate with corresponding SVI interface, we can associate | |
5336 | * with svi-if only after vxlan interface association is | |
5337 | * complete | |
5338 | */ | |
5339 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
5340 | ||
5341 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); | |
5342 | ||
5343 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5344 | zlog_debug( | |
5345 | "%s: l3vni %u svi_if %s mac_vlan_if %s", | |
5346 | __func__, vni, | |
5347 | zl3vni->svi_if ? zl3vni->svi_if->name : "NIL", | |
5348 | zl3vni->mac_vlan_if ? zl3vni->mac_vlan_if->name | |
5349 | : "NIL"); | |
5350 | ||
5351 | /* formulate l2vni list */ | |
5352 | hash_iterate(zvrf_evpn->evpn_table, zevpn_add_to_l3vni_list, | |
5353 | zl3vni); | |
5354 | ||
5355 | if (is_l3vni_oper_up(zl3vni)) | |
5356 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5357 | ||
5358 | } else { | |
5359 | zl3vni = zl3vni_lookup(vni); | |
5360 | if (!zl3vni) { | |
5361 | snprintf(err, err_str_sz, "VNI doesn't exist"); | |
5362 | return -1; | |
5363 | } | |
5364 | ||
5365 | if (zvrf->l3vni != vni) { | |
5366 | snprintf(err, err_str_sz, | |
5367 | "VNI %d doesn't exist in VRF: %s", | |
5368 | vni, zvrf->vrf->name); | |
5369 | return -1; | |
5370 | } | |
5371 | ||
5372 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { | |
5373 | snprintf(err, ERR_STR_SZ, | |
5374 | "prefix-routes-only is not set for the vni"); | |
5375 | return -1; | |
5376 | } | |
5377 | ||
5378 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5379 | ||
5380 | /* delete and uninstall all rmacs */ | |
5381 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, | |
5382 | zl3vni); | |
5383 | ||
5384 | /* delete and uninstall all next-hops */ | |
5385 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, | |
5386 | zl3vni); | |
5387 | ||
5388 | zvrf->l3vni = 0; | |
5389 | zl3vni_del(zl3vni); | |
5390 | ||
5391 | /* Add L2VNI for this VNI */ | |
5392 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
5393 | } | |
5394 | return 0; | |
5395 | } | |
5396 | ||
5397 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) | |
5398 | { | |
5399 | struct zebra_l3vni *zl3vni = NULL; | |
5400 | ||
5401 | if (zvrf->l3vni) | |
5402 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
5403 | if (!zl3vni) | |
5404 | return 0; | |
5405 | ||
5406 | zl3vni->vrf_id = zvrf_id(zvrf); | |
5407 | if (is_l3vni_oper_up(zl3vni)) | |
5408 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5409 | return 0; | |
5410 | } | |
5411 | ||
5412 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
5413 | { | |
5414 | struct zebra_l3vni *zl3vni = NULL; | |
5415 | ||
5416 | if (zvrf->l3vni) | |
5417 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
5418 | if (!zl3vni) | |
5419 | return 0; | |
5420 | ||
5421 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5422 | ||
5423 | /* delete and uninstall all rmacs */ | |
5424 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, zl3vni); | |
5425 | /* delete and uninstall all next-hops */ | |
5426 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, zl3vni); | |
5427 | ||
5428 | zl3vni->vrf_id = VRF_UNKNOWN; | |
5429 | ||
5430 | return 0; | |
5431 | } | |
5432 | ||
5433 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
5434 | { | |
5435 | struct zebra_l3vni *zl3vni = NULL; | |
5436 | vni_t vni; | |
5437 | ||
5438 | if (zvrf->l3vni) | |
5439 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
5440 | if (!zl3vni) | |
5441 | return 0; | |
5442 | ||
5443 | vni = zl3vni->vni; | |
5444 | zl3vni_del(zl3vni); | |
5445 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); | |
5446 | ||
5447 | return 0; | |
5448 | } | |
5449 | ||
5450 | /* | |
5451 | * Handle message from client to specify the flooding mechanism for | |
5452 | * BUM packets. The default is to do head-end (ingress) replication | |
5453 | * and the other supported option is to disable it. This applies to | |
5454 | * all BUM traffic and disabling it applies to both the transmit and | |
5455 | * receive direction. | |
5456 | */ | |
5457 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
5458 | { | |
5459 | struct stream *s; | |
5460 | enum vxlan_flood_control flood_ctrl; | |
5461 | ||
5462 | if (!EVPN_ENABLED(zvrf)) { | |
5463 | zlog_err("EVPN flood control for non-EVPN VRF %u", | |
5464 | zvrf_id(zvrf)); | |
5465 | return; | |
5466 | } | |
5467 | ||
5468 | s = msg; | |
5469 | STREAM_GETC(s, flood_ctrl); | |
5470 | ||
5471 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5472 | zlog_debug("EVPN flood control %u, currently %u", | |
5473 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
5474 | ||
5475 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
5476 | return; | |
5477 | ||
5478 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
5479 | ||
5480 | /* Install or uninstall flood entries corresponding to | |
5481 | * remote VTEPs. | |
5482 | */ | |
5483 | hash_iterate(zvrf->evpn_table, zebra_evpn_handle_flooding_remote_vteps, | |
5484 | zvrf); | |
5485 | ||
5486 | stream_failure: | |
5487 | return; | |
5488 | } | |
5489 | ||
5490 | /* | |
5491 | * Handle message from client to enable/disable advertisement of svi macip | |
5492 | * routes | |
5493 | */ | |
5494 | void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS) | |
5495 | { | |
5496 | struct stream *s; | |
5497 | int advertise; | |
5498 | vni_t vni = 0; | |
5499 | struct zebra_evpn *zevpn = NULL; | |
5500 | struct interface *ifp = NULL; | |
5501 | ||
5502 | if (!EVPN_ENABLED(zvrf)) { | |
5503 | zlog_debug("EVPN SVI-MACIP Adv for non-EVPN VRF %u", | |
5504 | zvrf_id(zvrf)); | |
5505 | return; | |
5506 | } | |
5507 | ||
5508 | s = msg; | |
5509 | STREAM_GETC(s, advertise); | |
5510 | STREAM_GETL(s, vni); | |
5511 | ||
5512 | if (!vni) { | |
5513 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5514 | zlog_debug("EVPN SVI-MACIP Adv %s, currently %s", | |
5515 | advertise ? "enabled" : "disabled", | |
5516 | advertise_svi_macip_enabled(NULL) | |
5517 | ? "enabled" | |
5518 | : "disabled"); | |
5519 | ||
5520 | if (zvrf->advertise_svi_macip == advertise) | |
5521 | return; | |
5522 | ||
5523 | ||
5524 | if (advertise) { | |
5525 | zvrf->advertise_svi_macip = advertise; | |
5526 | hash_iterate(zvrf->evpn_table, | |
5527 | zebra_evpn_gw_macip_add_for_evpn_hash, | |
5528 | NULL); | |
5529 | } else { | |
5530 | hash_iterate(zvrf->evpn_table, | |
5531 | zebra_evpn_svi_macip_del_for_evpn_hash, | |
5532 | NULL); | |
5533 | zvrf->advertise_svi_macip = advertise; | |
5534 | } | |
5535 | ||
5536 | } else { | |
5537 | struct zebra_if *zif = NULL; | |
5538 | struct zebra_l2info_vxlan zl2_info; | |
5539 | struct interface *vlan_if = NULL; | |
5540 | ||
5541 | zevpn = zebra_evpn_lookup(vni); | |
5542 | if (!zevpn) | |
5543 | return; | |
5544 | ||
5545 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5546 | zlog_debug( | |
5547 | "EVPN SVI macip Adv %s on VNI %d , currently %s", | |
5548 | advertise ? "enabled" : "disabled", vni, | |
5549 | advertise_svi_macip_enabled(zevpn) | |
5550 | ? "enabled" | |
5551 | : "disabled"); | |
5552 | ||
5553 | if (zevpn->advertise_svi_macip == advertise) | |
5554 | return; | |
5555 | ||
5556 | /* Store flag even though SVI is not present. | |
5557 | * Once SVI comes up triggers self MAC-IP route add. | |
5558 | */ | |
5559 | zevpn->advertise_svi_macip = advertise; | |
5560 | ||
5561 | ifp = zevpn->vxlan_if; | |
5562 | if (!ifp) | |
5563 | return; | |
5564 | ||
5565 | zif = ifp->info; | |
5566 | ||
5567 | /* If down or not mapped to a bridge, we're done. */ | |
5568 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
5569 | return; | |
5570 | ||
5571 | zl2_info = zif->l2info.vxl; | |
5572 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
5573 | zif->brslave_info.br_if); | |
5574 | if (!vlan_if) | |
5575 | return; | |
5576 | ||
5577 | if (advertise) { | |
5578 | /* Add primary SVI MAC-IP */ | |
5579 | zebra_evpn_add_macip_for_intf(vlan_if, zevpn); | |
5580 | } else { | |
5581 | /* Del primary SVI MAC-IP */ | |
5582 | zebra_evpn_del_macip_for_intf(vlan_if, zevpn); | |
5583 | } | |
5584 | } | |
5585 | ||
5586 | stream_failure: | |
5587 | return; | |
5588 | } | |
5589 | ||
5590 | /* | |
5591 | * Handle message from client to enable/disable advertisement of g/w macip | |
5592 | * routes | |
5593 | */ | |
5594 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) | |
5595 | { | |
5596 | struct stream *s; | |
5597 | int advertise; | |
5598 | vni_t vni = 0; | |
5599 | struct zebra_evpn *zevpn = NULL; | |
5600 | struct interface *ifp = NULL; | |
5601 | struct zebra_if *zif = NULL; | |
5602 | struct zebra_l2info_vxlan zl2_info; | |
5603 | struct interface *vlan_if = NULL; | |
5604 | ||
5605 | if (!EVPN_ENABLED(zvrf)) { | |
5606 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", | |
5607 | zvrf_id(zvrf)); | |
5608 | return; | |
5609 | } | |
5610 | ||
5611 | s = msg; | |
5612 | STREAM_GETC(s, advertise); | |
5613 | STREAM_GET(&vni, s, 3); | |
5614 | ||
5615 | zevpn = zebra_evpn_lookup(vni); | |
5616 | if (!zevpn) | |
5617 | return; | |
5618 | ||
5619 | if (zevpn->advertise_subnet == advertise) | |
5620 | return; | |
5621 | ||
5622 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5623 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", | |
5624 | advertise ? "enabled" : "disabled", vni, | |
5625 | zevpn->advertise_subnet ? "enabled" : "disabled"); | |
5626 | ||
5627 | ||
5628 | zevpn->advertise_subnet = advertise; | |
5629 | ||
5630 | ifp = zevpn->vxlan_if; | |
5631 | if (!ifp) | |
5632 | return; | |
5633 | ||
5634 | zif = ifp->info; | |
5635 | ||
5636 | /* If down or not mapped to a bridge, we're done. */ | |
5637 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
5638 | return; | |
5639 | ||
5640 | zl2_info = zif->l2info.vxl; | |
5641 | ||
5642 | vlan_if = | |
5643 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
5644 | if (!vlan_if) | |
5645 | return; | |
5646 | ||
5647 | if (zevpn->advertise_subnet) | |
5648 | zebra_evpn_advertise_subnet(zevpn, vlan_if, 1); | |
5649 | else | |
5650 | zebra_evpn_advertise_subnet(zevpn, vlan_if, 0); | |
5651 | ||
5652 | stream_failure: | |
5653 | return; | |
5654 | } | |
5655 | ||
5656 | /* | |
5657 | * Handle message from client to enable/disable advertisement of g/w macip | |
5658 | * routes | |
5659 | */ | |
5660 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) | |
5661 | { | |
5662 | struct stream *s; | |
5663 | int advertise; | |
5664 | vni_t vni = 0; | |
5665 | struct zebra_evpn *zevpn = NULL; | |
5666 | struct interface *ifp = NULL; | |
5667 | ||
5668 | if (!EVPN_ENABLED(zvrf)) { | |
5669 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", | |
5670 | zvrf_id(zvrf)); | |
5671 | return; | |
5672 | } | |
5673 | ||
5674 | s = msg; | |
5675 | STREAM_GETC(s, advertise); | |
5676 | STREAM_GETL(s, vni); | |
5677 | ||
5678 | if (!vni) { | |
5679 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5680 | zlog_debug("EVPN gateway macip Adv %s, currently %s", | |
5681 | advertise ? "enabled" : "disabled", | |
5682 | advertise_gw_macip_enabled(NULL) | |
5683 | ? "enabled" | |
5684 | : "disabled"); | |
5685 | ||
5686 | if (zvrf->advertise_gw_macip == advertise) | |
5687 | return; | |
5688 | ||
5689 | zvrf->advertise_gw_macip = advertise; | |
5690 | ||
5691 | if (advertise_gw_macip_enabled(zevpn)) | |
5692 | hash_iterate(zvrf->evpn_table, | |
5693 | zebra_evpn_gw_macip_add_for_evpn_hash, | |
5694 | NULL); | |
5695 | else | |
5696 | hash_iterate(zvrf->evpn_table, | |
5697 | zebra_evpn_gw_macip_del_for_evpn_hash, | |
5698 | NULL); | |
5699 | ||
5700 | } else { | |
5701 | struct zebra_if *zif = NULL; | |
5702 | struct zebra_l2info_vxlan zl2_info; | |
5703 | struct interface *vlan_if = NULL; | |
5704 | struct interface *vrr_if = NULL; | |
5705 | ||
5706 | zevpn = zebra_evpn_lookup(vni); | |
5707 | if (!zevpn) | |
5708 | return; | |
5709 | ||
5710 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5711 | zlog_debug( | |
5712 | "EVPN gateway macip Adv %s on VNI %d , currently %s", | |
5713 | advertise ? "enabled" : "disabled", vni, | |
5714 | advertise_gw_macip_enabled(zevpn) ? "enabled" | |
5715 | : "disabled"); | |
5716 | ||
5717 | if (zevpn->advertise_gw_macip == advertise) | |
5718 | return; | |
5719 | ||
5720 | zevpn->advertise_gw_macip = advertise; | |
5721 | ||
5722 | ifp = zevpn->vxlan_if; | |
5723 | if (!ifp) | |
5724 | return; | |
5725 | ||
5726 | zif = ifp->info; | |
5727 | ||
5728 | /* If down or not mapped to a bridge, we're done. */ | |
5729 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
5730 | return; | |
5731 | ||
5732 | zl2_info = zif->l2info.vxl; | |
5733 | ||
5734 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
5735 | zif->brslave_info.br_if); | |
5736 | if (!vlan_if) | |
5737 | return; | |
5738 | ||
5739 | if (advertise_gw_macip_enabled(zevpn)) { | |
5740 | /* Add primary SVI MAC-IP */ | |
5741 | zebra_evpn_add_macip_for_intf(vlan_if, zevpn); | |
5742 | ||
5743 | /* Add VRR MAC-IP - if any*/ | |
5744 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
5745 | if (vrr_if) | |
5746 | zebra_evpn_add_macip_for_intf(vrr_if, zevpn); | |
5747 | } else { | |
5748 | /* Del primary MAC-IP */ | |
5749 | zebra_evpn_del_macip_for_intf(vlan_if, zevpn); | |
5750 | ||
5751 | /* Del VRR MAC-IP - if any*/ | |
5752 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
5753 | if (vrr_if) | |
5754 | zebra_evpn_del_macip_for_intf(vrr_if, zevpn); | |
5755 | } | |
5756 | } | |
5757 | ||
5758 | stream_failure: | |
5759 | return; | |
5760 | } | |
5761 | ||
5762 | static int macfdb_read_ns(struct ns *ns, | |
5763 | void *_in_param __attribute__((unused)), | |
5764 | void **out_param __attribute__((unused))) | |
5765 | { | |
5766 | struct zebra_ns *zns = ns->info; | |
5767 | ||
5768 | macfdb_read(zns); | |
5769 | return NS_WALK_CONTINUE; | |
5770 | } | |
5771 | ||
5772 | static int neigh_read_ns(struct ns *ns, | |
5773 | void *_in_param __attribute__((unused)), | |
5774 | void **out_param __attribute__((unused))) | |
5775 | { | |
5776 | struct zebra_ns *zns = ns->info; | |
5777 | ||
5778 | neigh_read(zns); | |
5779 | return NS_WALK_CONTINUE; | |
5780 | } | |
5781 | ||
5782 | /* | |
5783 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
5784 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
5785 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
5786 | * uninstalled from the kernel. | |
5787 | * This also informs the setting for BUM handling at the time this change | |
5788 | * occurs; it is relevant only when specifying "learn". | |
5789 | */ | |
5790 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) | |
5791 | { | |
5792 | struct stream *s = NULL; | |
5793 | int advertise = 0; | |
5794 | enum vxlan_flood_control flood_ctrl; | |
5795 | ||
5796 | /* Mismatch between EVPN VRF and current VRF (should be prevented by | |
5797 | * bgpd's cli) */ | |
5798 | if (is_evpn_enabled() && !EVPN_ENABLED(zvrf)) | |
5799 | return; | |
5800 | ||
5801 | s = msg; | |
5802 | STREAM_GETC(s, advertise); | |
5803 | STREAM_GETC(s, flood_ctrl); | |
5804 | ||
5805 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5806 | zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u", | |
5807 | zvrf_name(zvrf), zvrf_id(zvrf), | |
5808 | advertise ? "enabled" : "disabled", | |
5809 | is_evpn_enabled() ? "enabled" : "disabled", | |
5810 | flood_ctrl); | |
5811 | ||
5812 | if (zvrf->advertise_all_vni == advertise) | |
5813 | return; | |
5814 | ||
5815 | zvrf->advertise_all_vni = advertise; | |
5816 | if (EVPN_ENABLED(zvrf)) { | |
5817 | zrouter.evpn_vrf = zvrf; | |
5818 | ||
5819 | /* Note BUM handling */ | |
5820 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
5821 | ||
5822 | /* Replay all ESs */ | |
5823 | zebra_evpn_es_send_all_to_client(true /* add */); | |
5824 | ||
5825 | /* Build EVPN hash table and inform BGP. */ | |
5826 | zevpn_build_hash_table(); | |
5827 | ||
5828 | /* Add all SVI (L3 GW) MACs to BGP*/ | |
5829 | hash_iterate(zvrf->evpn_table, | |
5830 | zebra_evpn_gw_macip_add_for_evpn_hash, NULL); | |
5831 | ||
5832 | /* Read the MAC FDB */ | |
5833 | ns_walk_func(macfdb_read_ns, NULL, NULL); | |
5834 | ||
5835 | /* Read neighbors */ | |
5836 | ns_walk_func(neigh_read_ns, NULL, NULL); | |
5837 | } else { | |
5838 | /* Cleanup VTEPs for all EVPNs - uninstall from | |
5839 | * kernel and free entries. | |
5840 | */ | |
5841 | hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all, | |
5842 | zvrf); | |
5843 | ||
5844 | /* Delete all ESs in BGP */ | |
5845 | zebra_evpn_es_send_all_to_client(false /* add */); | |
5846 | ||
5847 | /* cleanup all l3vnis */ | |
5848 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); | |
5849 | ||
5850 | /* Mark as "no EVPN VRF" */ | |
5851 | zrouter.evpn_vrf = NULL; | |
5852 | } | |
5853 | ||
5854 | stream_failure: | |
5855 | return; | |
5856 | } | |
5857 | ||
5858 | /* | |
5859 | * Allocate EVPN hash table for this VRF and do other initialization. | |
5860 | * NOTE: Currently supported only for default VRF. | |
5861 | */ | |
5862 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) | |
5863 | { | |
5864 | char buffer[80]; | |
5865 | ||
5866 | if (!zvrf) | |
5867 | return; | |
5868 | ||
5869 | snprintf(buffer, sizeof(buffer), "Zebra VRF EVPN Table: %s", | |
5870 | zvrf->vrf->name); | |
5871 | zvrf->evpn_table = hash_create_size(8, zebra_evpn_hash_keymake, | |
5872 | zebra_evpn_hash_cmp, buffer); | |
5873 | ||
5874 | snprintf(buffer, sizeof(buffer), "Zebra VxLAN SG Table: %s", | |
5875 | zvrf->vrf->name); | |
5876 | zvrf->vxlan_sg_table = hash_create_size(8, zebra_vxlan_sg_hash_key_make, | |
5877 | zebra_vxlan_sg_hash_eq, buffer); | |
5878 | } | |
5879 | ||
5880 | /* Cleanup EVPN info, but don't free the table. */ | |
5881 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
5882 | { | |
5883 | struct zebra_vrf *evpn_zvrf = zebra_vrf_get_evpn(); | |
5884 | ||
5885 | hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all, zvrf); | |
5886 | zebra_vxlan_cleanup_sg_table(zvrf); | |
5887 | ||
5888 | if (zvrf == evpn_zvrf) | |
5889 | zebra_evpn_es_cleanup(); | |
5890 | } | |
5891 | ||
5892 | /* Close all EVPN handling */ | |
5893 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) | |
5894 | { | |
5895 | if (!zvrf) | |
5896 | return; | |
5897 | hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all, zvrf); | |
5898 | hash_free(zvrf->evpn_table); | |
5899 | if (zvrf->vxlan_sg_table) { | |
5900 | zebra_vxlan_cleanup_sg_table(zvrf); | |
5901 | hash_free(zvrf->vxlan_sg_table); | |
5902 | zvrf->vxlan_sg_table = NULL; | |
5903 | } | |
5904 | } | |
5905 | ||
5906 | /* init the l3vni table */ | |
5907 | void zebra_vxlan_init(void) | |
5908 | { | |
5909 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
5910 | "Zebra VRF L3 VNI table"); | |
5911 | zrouter.evpn_vrf = NULL; | |
5912 | zebra_evpn_mh_init(); | |
5913 | } | |
5914 | ||
5915 | /* free l3vni table */ | |
5916 | void zebra_vxlan_disable(void) | |
5917 | { | |
5918 | hash_free(zrouter.l3vni_table); | |
5919 | zebra_evpn_mh_terminate(); | |
5920 | } | |
5921 | ||
5922 | /* get the l3vni svi ifindex */ | |
5923 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
5924 | { | |
5925 | struct zebra_l3vni *zl3vni = NULL; | |
5926 | ||
5927 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5928 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
5929 | return 0; | |
5930 | ||
5931 | return zl3vni->svi_if->ifindex; | |
5932 | } | |
5933 | ||
5934 | /************************** vxlan SG cache management ************************/ | |
5935 | /* Inform PIM about the mcast group */ | |
5936 | static int zebra_vxlan_sg_send(struct zebra_vrf *zvrf, | |
5937 | struct prefix_sg *sg, | |
5938 | char *sg_str, uint16_t cmd) | |
5939 | { | |
5940 | struct zserv *client = NULL; | |
5941 | struct stream *s = NULL; | |
5942 | ||
5943 | client = zserv_find_client(ZEBRA_ROUTE_PIM, 0); | |
5944 | if (!client) | |
5945 | return 0; | |
5946 | ||
5947 | if (!CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG)) | |
5948 | return 0; | |
5949 | ||
5950 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
5951 | ||
5952 | zclient_create_header(s, cmd, VRF_DEFAULT); | |
5953 | stream_putl(s, IPV4_MAX_BYTELEN); | |
5954 | stream_put(s, &sg->src.s_addr, IPV4_MAX_BYTELEN); | |
5955 | stream_put(s, &sg->grp.s_addr, IPV4_MAX_BYTELEN); | |
5956 | ||
5957 | /* Write packet size. */ | |
5958 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5959 | ||
5960 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5961 | zlog_debug( | |
5962 | "Send %s %s to %s", | |
5963 | (cmd == ZEBRA_VXLAN_SG_ADD) ? "add" : "del", sg_str, | |
5964 | zebra_route_string(client->proto)); | |
5965 | ||
5966 | if (cmd == ZEBRA_VXLAN_SG_ADD) | |
5967 | client->vxlan_sg_add_cnt++; | |
5968 | else | |
5969 | client->vxlan_sg_del_cnt++; | |
5970 | ||
5971 | return zserv_send_message(client, s); | |
5972 | } | |
5973 | ||
5974 | static unsigned int zebra_vxlan_sg_hash_key_make(const void *p) | |
5975 | { | |
5976 | const struct zebra_vxlan_sg *vxlan_sg = p; | |
5977 | ||
5978 | return (jhash_2words(vxlan_sg->sg.src.s_addr, | |
5979 | vxlan_sg->sg.grp.s_addr, 0)); | |
5980 | } | |
5981 | ||
5982 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2) | |
5983 | { | |
5984 | const struct zebra_vxlan_sg *sg1 = p1; | |
5985 | const struct zebra_vxlan_sg *sg2 = p2; | |
5986 | ||
5987 | return ((sg1->sg.src.s_addr == sg2->sg.src.s_addr) | |
5988 | && (sg1->sg.grp.s_addr == sg2->sg.grp.s_addr)); | |
5989 | } | |
5990 | ||
5991 | static struct zebra_vxlan_sg *zebra_vxlan_sg_new(struct zebra_vrf *zvrf, | |
5992 | struct prefix_sg *sg) | |
5993 | { | |
5994 | struct zebra_vxlan_sg *vxlan_sg; | |
5995 | ||
5996 | vxlan_sg = XCALLOC(MTYPE_ZVXLAN_SG, sizeof(*vxlan_sg)); | |
5997 | ||
5998 | vxlan_sg->zvrf = zvrf; | |
5999 | vxlan_sg->sg = *sg; | |
6000 | prefix_sg2str(sg, vxlan_sg->sg_str); | |
6001 | ||
6002 | vxlan_sg = hash_get(zvrf->vxlan_sg_table, vxlan_sg, hash_alloc_intern); | |
6003 | ||
6004 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6005 | zlog_debug("vxlan SG %s created", vxlan_sg->sg_str); | |
6006 | ||
6007 | return vxlan_sg; | |
6008 | } | |
6009 | ||
6010 | static struct zebra_vxlan_sg *zebra_vxlan_sg_find(struct zebra_vrf *zvrf, | |
6011 | struct prefix_sg *sg) | |
6012 | { | |
6013 | struct zebra_vxlan_sg lookup; | |
6014 | ||
6015 | lookup.sg = *sg; | |
6016 | return hash_lookup(zvrf->vxlan_sg_table, &lookup); | |
6017 | } | |
6018 | ||
6019 | static struct zebra_vxlan_sg *zebra_vxlan_sg_add(struct zebra_vrf *zvrf, | |
6020 | struct prefix_sg *sg) | |
6021 | { | |
6022 | struct zebra_vxlan_sg *vxlan_sg; | |
6023 | struct zebra_vxlan_sg *parent = NULL; | |
6024 | struct in_addr sip; | |
6025 | ||
6026 | vxlan_sg = zebra_vxlan_sg_find(zvrf, sg); | |
6027 | if (vxlan_sg) | |
6028 | return vxlan_sg; | |
6029 | ||
6030 | /* create a *G entry for every BUM group implicitly - | |
6031 | * 1. The SG entry is used by pimd to setup the vxlan-origination-mroute | |
6032 | * 2. the XG entry is used by pimd to setup the | |
6033 | * vxlan-termination-mroute | |
6034 | */ | |
6035 | if (sg->src.s_addr != INADDR_ANY) { | |
6036 | memset(&sip, 0, sizeof(sip)); | |
6037 | parent = zebra_vxlan_sg_do_ref(zvrf, sip, sg->grp); | |
6038 | if (!parent) | |
6039 | return NULL; | |
6040 | } | |
6041 | ||
6042 | vxlan_sg = zebra_vxlan_sg_new(zvrf, sg); | |
6043 | ||
6044 | zebra_vxlan_sg_send(zvrf, sg, vxlan_sg->sg_str, | |
6045 | ZEBRA_VXLAN_SG_ADD); | |
6046 | ||
6047 | return vxlan_sg; | |
6048 | } | |
6049 | ||
6050 | static void zebra_vxlan_sg_del(struct zebra_vxlan_sg *vxlan_sg) | |
6051 | { | |
6052 | struct in_addr sip; | |
6053 | struct zebra_vrf *zvrf; | |
6054 | ||
6055 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
6056 | if (!zvrf) | |
6057 | return; | |
6058 | ||
6059 | /* On SG entry deletion remove the reference to its parent XG | |
6060 | * entry | |
6061 | */ | |
6062 | if (vxlan_sg->sg.src.s_addr != INADDR_ANY) { | |
6063 | memset(&sip, 0, sizeof(sip)); | |
6064 | zebra_vxlan_sg_do_deref(zvrf, sip, vxlan_sg->sg.grp); | |
6065 | } | |
6066 | ||
6067 | zebra_vxlan_sg_send(zvrf, &vxlan_sg->sg, | |
6068 | vxlan_sg->sg_str, ZEBRA_VXLAN_SG_DEL); | |
6069 | ||
6070 | hash_release(vxlan_sg->zvrf->vxlan_sg_table, vxlan_sg); | |
6071 | ||
6072 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6073 | zlog_debug("VXLAN SG %s deleted", vxlan_sg->sg_str); | |
6074 | ||
6075 | XFREE(MTYPE_ZVXLAN_SG, vxlan_sg); | |
6076 | } | |
6077 | ||
6078 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
6079 | struct in_addr sip, struct in_addr mcast_grp) | |
6080 | { | |
6081 | struct zebra_vxlan_sg *vxlan_sg; | |
6082 | struct prefix_sg sg; | |
6083 | ||
6084 | sg.family = AF_INET; | |
6085 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
6086 | sg.src = sip; | |
6087 | sg.grp = mcast_grp; | |
6088 | vxlan_sg = zebra_vxlan_sg_find(zvrf, &sg); | |
6089 | if (!vxlan_sg) | |
6090 | return; | |
6091 | ||
6092 | if (vxlan_sg->ref_cnt) | |
6093 | --vxlan_sg->ref_cnt; | |
6094 | ||
6095 | if (!vxlan_sg->ref_cnt) | |
6096 | zebra_vxlan_sg_del(vxlan_sg); | |
6097 | } | |
6098 | ||
6099 | static struct zebra_vxlan_sg *zebra_vxlan_sg_do_ref(struct zebra_vrf *zvrf, | |
6100 | struct in_addr sip, | |
6101 | struct in_addr mcast_grp) | |
6102 | { | |
6103 | struct zebra_vxlan_sg *vxlan_sg; | |
6104 | struct prefix_sg sg; | |
6105 | ||
6106 | sg.family = AF_INET; | |
6107 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
6108 | sg.src = sip; | |
6109 | sg.grp = mcast_grp; | |
6110 | vxlan_sg = zebra_vxlan_sg_add(zvrf, &sg); | |
6111 | if (vxlan_sg) | |
6112 | ++vxlan_sg->ref_cnt; | |
6113 | ||
6114 | return vxlan_sg; | |
6115 | } | |
6116 | ||
6117 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, | |
6118 | struct in_addr mcast_grp) | |
6119 | { | |
6120 | struct zebra_vrf *zvrf; | |
6121 | ||
6122 | if (local_vtep_ip.s_addr == INADDR_ANY | |
6123 | || mcast_grp.s_addr == INADDR_ANY) | |
6124 | return; | |
6125 | ||
6126 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
6127 | if (!zvrf) | |
6128 | return; | |
6129 | ||
6130 | zebra_vxlan_sg_do_deref(zvrf, local_vtep_ip, mcast_grp); | |
6131 | } | |
6132 | ||
6133 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
6134 | struct in_addr mcast_grp) | |
6135 | { | |
6136 | struct zebra_vrf *zvrf; | |
6137 | ||
6138 | if (local_vtep_ip.s_addr == INADDR_ANY | |
6139 | || mcast_grp.s_addr == INADDR_ANY) | |
6140 | return; | |
6141 | ||
6142 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
6143 | if (!zvrf) | |
6144 | return; | |
6145 | zebra_vxlan_sg_do_ref(zvrf, local_vtep_ip, mcast_grp); | |
6146 | } | |
6147 | ||
6148 | static void zebra_vxlan_xg_pre_cleanup(struct hash_bucket *bucket, void *arg) | |
6149 | { | |
6150 | struct zebra_vxlan_sg *vxlan_sg = (struct zebra_vxlan_sg *)bucket->data; | |
6151 | ||
6152 | /* increment the ref count against (*,G) to prevent them from being | |
6153 | * deleted | |
6154 | */ | |
6155 | if (vxlan_sg->sg.src.s_addr == INADDR_ANY) | |
6156 | ++vxlan_sg->ref_cnt; | |
6157 | } | |
6158 | ||
6159 | static void zebra_vxlan_xg_post_cleanup(struct hash_bucket *bucket, void *arg) | |
6160 | { | |
6161 | struct zebra_vxlan_sg *vxlan_sg = (struct zebra_vxlan_sg *)bucket->data; | |
6162 | ||
6163 | /* decrement the dummy ref count against (*,G) to delete them */ | |
6164 | if (vxlan_sg->sg.src.s_addr == INADDR_ANY) { | |
6165 | if (vxlan_sg->ref_cnt) | |
6166 | --vxlan_sg->ref_cnt; | |
6167 | if (!vxlan_sg->ref_cnt) | |
6168 | zebra_vxlan_sg_del(vxlan_sg); | |
6169 | } | |
6170 | } | |
6171 | ||
6172 | static void zebra_vxlan_sg_cleanup(struct hash_bucket *bucket, void *arg) | |
6173 | { | |
6174 | struct zebra_vxlan_sg *vxlan_sg = (struct zebra_vxlan_sg *)bucket->data; | |
6175 | ||
6176 | zebra_vxlan_sg_del(vxlan_sg); | |
6177 | } | |
6178 | ||
6179 | static void zebra_vxlan_cleanup_sg_table(struct zebra_vrf *zvrf) | |
6180 | { | |
6181 | /* increment the ref count against (*,G) to prevent them from being | |
6182 | * deleted | |
6183 | */ | |
6184 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_xg_pre_cleanup, NULL); | |
6185 | ||
6186 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_cleanup, NULL); | |
6187 | ||
6188 | /* decrement the dummy ref count against the XG entries */ | |
6189 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_xg_post_cleanup, NULL); | |
6190 | } | |
6191 | ||
6192 | static void zebra_vxlan_sg_replay_send(struct hash_bucket *bucket, void *arg) | |
6193 | { | |
6194 | struct zebra_vxlan_sg *vxlan_sg = (struct zebra_vxlan_sg *)bucket->data; | |
6195 | ||
6196 | zebra_vxlan_sg_send(vxlan_sg->zvrf, &vxlan_sg->sg, | |
6197 | vxlan_sg->sg_str, ZEBRA_VXLAN_SG_ADD); | |
6198 | } | |
6199 | ||
6200 | /* Handle message from client to replay vxlan SG entries */ | |
6201 | void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS) | |
6202 | { | |
6203 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6204 | zlog_debug("VxLAN SG updates to PIM, start"); | |
6205 | ||
6206 | SET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG); | |
6207 | ||
6208 | if (!EVPN_ENABLED(zvrf)) { | |
6209 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6210 | zlog_debug("VxLAN SG replay request on unexpected vrf %d", | |
6211 | zvrf->vrf->vrf_id); | |
6212 | return; | |
6213 | } | |
6214 | ||
6215 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_replay_send, NULL); | |
6216 | } | |
6217 | ||
6218 | ||
6219 | /* Cleanup EVPN configuration of a specific VRF */ | |
6220 | static void zebra_evpn_vrf_cfg_cleanup(struct zebra_vrf *zvrf) | |
6221 | { | |
6222 | struct zebra_l3vni *zl3vni = NULL; | |
6223 | ||
6224 | zvrf->advertise_all_vni = 0; | |
6225 | zvrf->advertise_gw_macip = 0; | |
6226 | zvrf->advertise_svi_macip = 0; | |
6227 | zvrf->vxlan_flood_ctrl = VXLAN_FLOOD_HEAD_END_REPL; | |
6228 | ||
6229 | hash_iterate(zvrf->evpn_table, zebra_evpn_cfg_cleanup, NULL); | |
6230 | ||
6231 | if (zvrf->l3vni) | |
6232 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6233 | if (zl3vni) { | |
6234 | /* delete and uninstall all rmacs */ | |
6235 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, | |
6236 | zl3vni); | |
6237 | /* delete and uninstall all next-hops */ | |
6238 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, | |
6239 | zl3vni); | |
6240 | } | |
6241 | } | |
6242 | ||
6243 | /* Cleanup BGP EVPN configuration upon client disconnect */ | |
6244 | static int zebra_evpn_bgp_cfg_clean_up(struct zserv *client) | |
6245 | { | |
6246 | struct vrf *vrf; | |
6247 | struct zebra_vrf *zvrf; | |
6248 | ||
6249 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
6250 | zvrf = vrf->info; | |
6251 | if (zvrf) | |
6252 | zebra_evpn_vrf_cfg_cleanup(zvrf); | |
6253 | } | |
6254 | ||
6255 | return 0; | |
6256 | } | |
6257 | ||
6258 | static int zebra_evpn_pim_cfg_clean_up(struct zserv *client) | |
6259 | { | |
6260 | struct zebra_vrf *zvrf = zebra_vrf_get_evpn(); | |
6261 | ||
6262 | if (CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG)) { | |
6263 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6264 | zlog_debug("VxLAN SG updates to PIM, stop"); | |
6265 | UNSET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG); | |
6266 | } | |
6267 | ||
6268 | return 0; | |
6269 | } | |
6270 | ||
6271 | static int zebra_evpn_cfg_clean_up(struct zserv *client) | |
6272 | { | |
6273 | if (client->proto == ZEBRA_ROUTE_BGP) | |
6274 | return zebra_evpn_bgp_cfg_clean_up(client); | |
6275 | ||
6276 | if (client->proto == ZEBRA_ROUTE_PIM) | |
6277 | return zebra_evpn_pim_cfg_clean_up(client); | |
6278 | ||
6279 | return 0; | |
6280 | } | |
6281 | ||
6282 | /* | |
6283 | * Handle results for vxlan dataplane operations. | |
6284 | */ | |
6285 | extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx) | |
6286 | { | |
6287 | return; | |
6288 | } | |
6289 | ||
6290 | /* Config knob for accepting lower sequence numbers */ | |
6291 | void zebra_vxlan_set_accept_bgp_seq(bool set) | |
6292 | { | |
6293 | accept_bgp_seq = set; | |
6294 | } | |
6295 | ||
6296 | bool zebra_vxlan_get_accept_bgp_seq(void) | |
6297 | { | |
6298 | return accept_bgp_seq; | |
6299 | } | |
6300 | ||
6301 | /* Cleanup BGP EVPN configuration upon client disconnect */ | |
6302 | extern void zebra_evpn_init(void) | |
6303 | { | |
6304 | hook_register(zserv_client_close, zebra_evpn_cfg_clean_up); | |
6305 | } |