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ce5160c0 AK |
1 | /* |
2 | * Zebra EVPN multihoming code | |
3 | * | |
4 | * Copyright (C) 2019 Cumulus Networks, Inc. | |
5 | * Anuradha Karuppiah | |
6 | * | |
7 | * This file is part of FRR. | |
8 | * | |
9 | * FRR is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2, or (at your option) any | |
12 | * later version. | |
13 | * | |
14 | * FRR is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | */ | |
19 | ||
20 | #include <zebra.h> | |
21 | ||
22 | #include "command.h" | |
23 | #include "hash.h" | |
24 | #include "if.h" | |
25 | #include "jhash.h" | |
26 | #include "linklist.h" | |
27 | #include "log.h" | |
28 | #include "memory.h" | |
29 | #include "prefix.h" | |
30 | #include "stream.h" | |
31 | #include "table.h" | |
32 | #include "vlan.h" | |
33 | #include "vxlan.h" | |
34 | ||
35 | #include "zebra/zebra_router.h" | |
36 | #include "zebra/debug.h" | |
37 | #include "zebra/interface.h" | |
38 | #include "zebra/rib.h" | |
39 | #include "zebra/rt.h" | |
40 | #include "zebra/rt_netlink.h" | |
c36e442c | 41 | #include "zebra/if_netlink.h" |
ce5160c0 AK |
42 | #include "zebra/zebra_errors.h" |
43 | #include "zebra/zebra_l2.h" | |
ce5160c0 AK |
44 | #include "zebra/zebra_ns.h" |
45 | #include "zebra/zebra_vrf.h" | |
46 | #include "zebra/zebra_vxlan.h" | |
b2998086 PR |
47 | #include "zebra/zebra_evpn.h" |
48 | #include "zebra/zebra_evpn_mac.h" | |
ce5160c0 AK |
49 | #include "zebra/zebra_vxlan_private.h" |
50 | #include "zebra/zebra_router.h" | |
51 | #include "zebra/zebra_evpn_mh.h" | |
52 | #include "zebra/zebra_nhg.h" | |
53 | ||
54 | DEFINE_MTYPE_STATIC(ZEBRA, ZACC_BD, "Access Broadcast Domain"); | |
55 | DEFINE_MTYPE_STATIC(ZEBRA, ZES, "Ethernet Segment"); | |
56 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_EVI, "ES info per-EVI"); | |
57 | DEFINE_MTYPE_STATIC(ZEBRA, ZMH_INFO, "MH global info"); | |
58 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_VTEP, "VTEP attached to the ES"); | |
5de10c37 | 59 | DEFINE_MTYPE_STATIC(ZEBRA, L2_NH, "L2 nexthop"); |
ce5160c0 | 60 | |
87d76d54 | 61 | static void zebra_evpn_es_get_one_base_evpn(void); |
ce5160c0 | 62 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, |
f6371c34 | 63 | struct zebra_evpn *zevpn, bool add); |
e378f502 | 64 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp); |
325d694b | 65 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi); |
28e80a03 AK |
66 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, |
67 | const char *caller); | |
c36e442c | 68 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set); |
2bcf92e1 AK |
69 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
70 | bool resync_dplane); | |
c36e442c | 71 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es); |
dc261b8d | 72 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc); |
ce5160c0 AK |
73 | |
74 | esi_t zero_esi_buf, *zero_esi = &zero_esi_buf; | |
75 | ||
76 | /*****************************************************************************/ | |
77 | /* Ethernet Segment to EVI association - | |
78 | * 1. The ES-EVI entry is maintained as a RB tree per L2-VNI | |
f6371c34 | 79 | * (struct zebra_evpn.es_evi_rb_tree). |
ce5160c0 AK |
80 | * 2. Each local ES-EVI entry is sent to BGP which advertises it as an |
81 | * EAD-EVI (Type-1 EVPN) route | |
82 | * 3. Local ES-EVI setup is re-evaluated on the following triggers - | |
83 | * a. When an ESI is set or cleared on an access port. | |
84 | * b. When an access port associated with an ESI is deleted. | |
85 | * c. When VLAN member ship changes on an access port. | |
86 | * d. When a VXLAN_IF is set or cleared on an access broadcast domain. | |
87 | * e. When a L2-VNI is added or deleted for a VxLAN_IF. | |
88 | * 4. Currently zebra doesn't remote ES-EVIs. Those are managed and maintained | |
89 | * entirely in BGP which consolidates them into a remote ES. The remote ES | |
90 | * is then sent to zebra which allocates a NHG for it. | |
91 | */ | |
92 | ||
87d76d54 | 93 | /* compare ES-IDs for the ES-EVI RB tree maintained per-EVPN */ |
ce5160c0 AK |
94 | static int zebra_es_evi_rb_cmp(const struct zebra_evpn_es_evi *es_evi1, |
95 | const struct zebra_evpn_es_evi *es_evi2) | |
96 | { | |
97 | return memcmp(&es_evi1->es->esi, &es_evi2->es->esi, ESI_BYTES); | |
98 | } | |
99 | RB_GENERATE(zebra_es_evi_rb_head, zebra_evpn_es_evi, | |
100 | rb_node, zebra_es_evi_rb_cmp); | |
101 | ||
102 | /* allocate a new ES-EVI and insert it into the per-L2-VNI and per-ES | |
103 | * tables. | |
104 | */ | |
105 | static struct zebra_evpn_es_evi *zebra_evpn_es_evi_new(struct zebra_evpn_es *es, | |
f6371c34 | 106 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
107 | { |
108 | struct zebra_evpn_es_evi *es_evi; | |
109 | ||
110 | es_evi = XCALLOC(MTYPE_ZES_EVI, sizeof(struct zebra_evpn_es_evi)); | |
111 | ||
112 | es_evi->es = es; | |
87d76d54 | 113 | es_evi->zevpn = zevpn; |
ce5160c0 | 114 | |
87d76d54 | 115 | /* insert into the EVPN-ESI rb tree */ |
2a778afe | 116 | RB_INSERT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
117 | |
118 | /* add to the ES's VNI list */ | |
119 | listnode_init(&es_evi->es_listnode, es_evi); | |
120 | listnode_add(es->es_evi_list, &es_evi->es_listnode); | |
121 | ||
122 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
123 | zlog_debug("es %s evi %d new", | |
87d76d54 | 124 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
125 | |
126 | return es_evi; | |
127 | } | |
128 | ||
ce5160c0 AK |
129 | /* Evaluate if the es_evi is ready to be sent BGP - |
130 | * 1. If it is ready an add is sent to BGP | |
131 | * 2. If it is not ready a del is sent (if the ES had been previously added | |
132 | * to BGP). | |
133 | */ | |
134 | static void zebra_evpn_es_evi_re_eval_send_to_client( | |
135 | struct zebra_evpn_es_evi *es_evi) | |
136 | { | |
137 | bool old_ready; | |
138 | bool new_ready; | |
139 | ||
140 | old_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
141 | ||
142 | /* ES and L2-VNI have to be individually ready for BGP */ | |
143 | if ((es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) && | |
144 | (es_evi->es->flags & ZEBRA_EVPNES_READY_FOR_BGP) && | |
87d76d54 | 145 | zebra_evpn_send_to_client_ok(es_evi->zevpn)) |
ce5160c0 AK |
146 | es_evi->flags |= ZEBRA_EVPNES_EVI_READY_FOR_BGP; |
147 | else | |
148 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_READY_FOR_BGP; | |
149 | ||
150 | new_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
151 | ||
152 | if (old_ready == new_ready) | |
153 | return; | |
154 | ||
155 | if (new_ready) | |
87d76d54 | 156 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
157 | true /* add */); |
158 | else | |
87d76d54 | 159 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
160 | false /* add */); |
161 | } | |
162 | ||
163 | /* remove the ES-EVI from the per-L2-VNI and per-ES tables and free | |
164 | * up the memory. | |
165 | */ | |
166 | static void zebra_evpn_es_evi_free(struct zebra_evpn_es_evi *es_evi) | |
167 | { | |
168 | struct zebra_evpn_es *es = es_evi->es; | |
f6371c34 | 169 | struct zebra_evpn *zevpn = es_evi->zevpn; |
ce5160c0 AK |
170 | |
171 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
172 | zlog_debug("es %s evi %d free", | |
87d76d54 | 173 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
174 | |
175 | /* remove from the ES's VNI list */ | |
176 | list_delete_node(es->es_evi_list, &es_evi->es_listnode); | |
177 | ||
178 | /* remove from the VNI-ESI rb tree */ | |
87d76d54 | 179 | RB_REMOVE(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
180 | |
181 | /* remove from the VNI-ESI rb tree */ | |
182 | XFREE(MTYPE_ZES_EVI, es_evi); | |
183 | } | |
184 | ||
185 | /* find the ES-EVI in the per-L2-VNI RB tree */ | |
09de6e45 AK |
186 | struct zebra_evpn_es_evi *zebra_evpn_es_evi_find(struct zebra_evpn_es *es, |
187 | struct zebra_evpn *zevpn) | |
ce5160c0 AK |
188 | { |
189 | struct zebra_evpn_es_evi es_evi; | |
190 | ||
191 | es_evi.es = es; | |
192 | ||
87d76d54 | 193 | return RB_FIND(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, &es_evi); |
ce5160c0 AK |
194 | } |
195 | ||
196 | /* Tell BGP about an ES-EVI deletion and then delete it */ | |
197 | static void zebra_evpn_local_es_evi_do_del(struct zebra_evpn_es_evi *es_evi) | |
198 | { | |
199 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
200 | return; | |
201 | ||
202 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
203 | zlog_debug("local es %s evi %d del", | |
87d76d54 | 204 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
205 | |
206 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) { | |
207 | /* send a del only if add was sent for it earlier */ | |
208 | zebra_evpn_es_evi_send_to_client(es_evi->es, | |
87d76d54 | 209 | es_evi->zevpn, false /* add */); |
ce5160c0 AK |
210 | } |
211 | ||
87d76d54 PR |
212 | /* delete it from the EVPN's local list */ |
213 | list_delete_node(es_evi->zevpn->local_es_evi_list, | |
ce5160c0 AK |
214 | &es_evi->l2vni_listnode); |
215 | ||
216 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_LOCAL; | |
217 | zebra_evpn_es_evi_free(es_evi); | |
218 | } | |
219 | static void zebra_evpn_local_es_evi_del(struct zebra_evpn_es *es, | |
f6371c34 | 220 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
221 | { |
222 | struct zebra_evpn_es_evi *es_evi; | |
223 | ||
87d76d54 | 224 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 AK |
225 | if (es_evi) |
226 | zebra_evpn_local_es_evi_do_del(es_evi); | |
227 | } | |
228 | ||
09de6e45 AK |
229 | /* If there are any existing MAC entries for this es/zevpn we need |
230 | * to install it in the dataplane. | |
231 | * | |
232 | * Note: primary purpose of this is to handle es del/re-add windows where | |
233 | * sync MAC entries may be added by bgpd before the es-evi membership is | |
234 | * created in the dataplane and in zebra | |
235 | */ | |
236 | static void zebra_evpn_es_evi_mac_install(struct zebra_evpn_es_evi *es_evi) | |
237 | { | |
238 | struct zebra_mac *mac; | |
239 | struct listnode *node; | |
240 | struct zebra_evpn_es *es = es_evi->es; | |
241 | ||
242 | if (listcount(es->mac_list) && IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
243 | zlog_debug("dp-mac install on es %s evi %d add", es->esi_str, | |
244 | es_evi->zevpn->vni); | |
245 | ||
246 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
247 | if (mac->zevpn != es_evi->zevpn) | |
248 | continue; | |
249 | ||
250 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
251 | continue; | |
252 | ||
253 | zebra_evpn_sync_mac_dp_install(mac, false, false, __func__); | |
254 | } | |
255 | } | |
256 | ||
ce5160c0 AK |
257 | /* Create an ES-EVI if it doesn't already exist and tell BGP */ |
258 | static void zebra_evpn_local_es_evi_add(struct zebra_evpn_es *es, | |
f6371c34 | 259 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
260 | { |
261 | struct zebra_evpn_es_evi *es_evi; | |
262 | ||
87d76d54 | 263 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 | 264 | if (!es_evi) { |
87d76d54 | 265 | es_evi = zebra_evpn_es_evi_new(es, zevpn); |
ce5160c0 AK |
266 | if (!es_evi) |
267 | return; | |
268 | ||
269 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
270 | zlog_debug("local es %s evi %d add", | |
87d76d54 | 271 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 | 272 | es_evi->flags |= ZEBRA_EVPNES_EVI_LOCAL; |
87d76d54 | 273 | /* add to the EVPN's local list */ |
ce5160c0 | 274 | listnode_init(&es_evi->l2vni_listnode, es_evi); |
87d76d54 | 275 | listnode_add(zevpn->local_es_evi_list, &es_evi->l2vni_listnode); |
ce5160c0 AK |
276 | |
277 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
09de6e45 AK |
278 | |
279 | zebra_evpn_es_evi_mac_install(es_evi); | |
ce5160c0 AK |
280 | } |
281 | } | |
282 | ||
283 | static void zebra_evpn_es_evi_show_entry(struct vty *vty, | |
acffa256 AK |
284 | struct zebra_evpn_es_evi *es_evi, |
285 | json_object *json_array) | |
ce5160c0 AK |
286 | { |
287 | char type_str[4]; | |
288 | ||
acffa256 AK |
289 | if (json_array) { |
290 | json_object *json; | |
291 | json_object *json_types; | |
292 | ||
293 | /* Separate JSON object for each es-evi entry */ | |
294 | json = json_object_new_object(); | |
295 | ||
296 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
297 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
298 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) { | |
299 | json_types = json_object_new_array(); | |
300 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
301 | json_array_string_add(json_types, "local"); | |
302 | json_object_object_add(json, "type", json_types); | |
303 | } | |
304 | ||
305 | /* Add es-evi entry to json array */ | |
306 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
307 | } else { |
308 | type_str[0] = '\0'; | |
309 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 310 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
311 | |
312 | vty_out(vty, "%-8d %-30s %-4s\n", | |
87d76d54 | 313 | es_evi->zevpn->vni, es_evi->es->esi_str, |
ce5160c0 AK |
314 | type_str); |
315 | } | |
316 | } | |
317 | ||
acffa256 AK |
318 | static void |
319 | zebra_evpn_es_evi_show_entry_detail(struct vty *vty, | |
320 | struct zebra_evpn_es_evi *es_evi, | |
321 | json_object *json_array) | |
ce5160c0 AK |
322 | { |
323 | char type_str[4]; | |
324 | ||
acffa256 AK |
325 | if (json_array) { |
326 | json_object *json; | |
327 | json_object *json_flags; | |
328 | ||
329 | /* Separate JSON object for each es-evi entry */ | |
330 | json = json_object_new_object(); | |
331 | ||
332 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
333 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
334 | if (es_evi->flags | |
335 | & (ZEBRA_EVPNES_EVI_LOCAL | |
336 | | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) { | |
337 | json_flags = json_object_new_array(); | |
338 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
339 | json_array_string_add(json_flags, "local"); | |
340 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) | |
341 | json_array_string_add(json_flags, | |
342 | "readyForBgp"); | |
343 | json_object_object_add(json, "flags", json_flags); | |
344 | } | |
345 | ||
346 | /* Add es-evi entry to json array */ | |
347 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
348 | } else { |
349 | type_str[0] = '\0'; | |
350 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 351 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
352 | |
353 | vty_out(vty, "VNI %d ESI: %s\n", | |
87d76d54 | 354 | es_evi->zevpn->vni, es_evi->es->esi_str); |
ce5160c0 AK |
355 | vty_out(vty, " Type: %s\n", type_str); |
356 | vty_out(vty, " Ready for BGP: %s\n", | |
357 | (es_evi->flags & | |
358 | ZEBRA_EVPNES_EVI_READY_FOR_BGP) ? | |
359 | "yes" : "no"); | |
360 | vty_out(vty, "\n"); | |
361 | } | |
362 | } | |
363 | ||
f6371c34 | 364 | static void zebra_evpn_es_evi_show_one_evpn(struct zebra_evpn *zevpn, |
acffa256 AK |
365 | struct vty *vty, |
366 | json_object *json_array, int detail) | |
ce5160c0 AK |
367 | { |
368 | struct zebra_evpn_es_evi *es_evi; | |
369 | ||
87d76d54 | 370 | RB_FOREACH(es_evi, zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree) { |
ce5160c0 | 371 | if (detail) |
acffa256 AK |
372 | zebra_evpn_es_evi_show_entry_detail(vty, es_evi, |
373 | json_array); | |
ce5160c0 | 374 | else |
acffa256 | 375 | zebra_evpn_es_evi_show_entry(vty, es_evi, json_array); |
ce5160c0 AK |
376 | } |
377 | } | |
378 | ||
379 | struct evpn_mh_show_ctx { | |
380 | struct vty *vty; | |
381 | json_object *json; | |
382 | int detail; | |
383 | }; | |
384 | ||
87d76d54 | 385 | static void zebra_evpn_es_evi_show_one_evpn_hash_cb(struct hash_bucket *bucket, |
ce5160c0 AK |
386 | void *ctxt) |
387 | { | |
f6371c34 | 388 | struct zebra_evpn *zevpn = (struct zebra_evpn *)bucket->data; |
ce5160c0 AK |
389 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; |
390 | ||
87d76d54 | 391 | zebra_evpn_es_evi_show_one_evpn(zevpn, wctx->vty, |
ce5160c0 AK |
392 | wctx->json, wctx->detail); |
393 | } | |
394 | ||
395 | void zebra_evpn_es_evi_show(struct vty *vty, bool uj, int detail) | |
396 | { | |
acffa256 | 397 | json_object *json_array = NULL; |
ce5160c0 AK |
398 | struct zebra_vrf *zvrf; |
399 | struct evpn_mh_show_ctx wctx; | |
400 | ||
401 | zvrf = zebra_vrf_get_evpn(); | |
acffa256 AK |
402 | if (uj) |
403 | json_array = json_object_new_array(); | |
ce5160c0 AK |
404 | |
405 | memset(&wctx, 0, sizeof(wctx)); | |
406 | wctx.vty = vty; | |
acffa256 | 407 | wctx.json = json_array; |
ce5160c0 AK |
408 | wctx.detail = detail; |
409 | ||
acffa256 | 410 | if (!detail && !json_array) { |
ce5160c0 AK |
411 | vty_out(vty, "Type: L local, R remote\n"); |
412 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
413 | } | |
414 | /* Display all L2-VNIs */ | |
87d76d54 | 415 | hash_iterate(zvrf->evpn_table, zebra_evpn_es_evi_show_one_evpn_hash_cb, |
ce5160c0 | 416 | &wctx); |
acffa256 | 417 | |
c48349e3 | 418 | if (uj) |
962af8a8 | 419 | vty_json(vty, json_array); |
ce5160c0 AK |
420 | } |
421 | ||
422 | void zebra_evpn_es_evi_show_vni(struct vty *vty, bool uj, vni_t vni, int detail) | |
423 | { | |
acffa256 | 424 | json_object *json_array = NULL; |
f6371c34 | 425 | struct zebra_evpn *zevpn; |
ce5160c0 | 426 | |
8b5fdf2e | 427 | zevpn = zebra_evpn_lookup(vni); |
acffa256 AK |
428 | if (uj) |
429 | json_array = json_object_new_array(); | |
430 | ||
87d76d54 | 431 | if (zevpn) { |
acffa256 | 432 | if (!detail && !json_array) { |
ce5160c0 AK |
433 | vty_out(vty, "Type: L local, R remote\n"); |
434 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
435 | } | |
362c8f2d | 436 | zebra_evpn_es_evi_show_one_evpn(zevpn, vty, json_array, detail); |
ce5160c0 AK |
437 | } else { |
438 | if (!uj) | |
1718bc78 | 439 | vty_out(vty, "VNI %d doesn't exist\n", vni); |
ce5160c0 | 440 | } |
acffa256 | 441 | |
c48349e3 | 442 | if (uj) |
962af8a8 | 443 | vty_json(vty, json_array); |
ce5160c0 AK |
444 | } |
445 | ||
446 | /* Initialize the ES tables maintained per-L2_VNI */ | |
f6371c34 | 447 | void zebra_evpn_es_evi_init(struct zebra_evpn *zevpn) |
ce5160c0 AK |
448 | { |
449 | /* Initialize the ES-EVI RB tree */ | |
87d76d54 | 450 | RB_INIT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree); |
ce5160c0 AK |
451 | |
452 | /* Initialize the local and remote ES lists maintained for quick | |
453 | * walks by type | |
454 | */ | |
87d76d54 PR |
455 | zevpn->local_es_evi_list = list_new(); |
456 | listset_app_node_mem(zevpn->local_es_evi_list); | |
ce5160c0 AK |
457 | } |
458 | ||
87d76d54 | 459 | /* Cleanup the ES info maintained per- EVPN */ |
f6371c34 | 460 | void zebra_evpn_es_evi_cleanup(struct zebra_evpn *zevpn) |
ce5160c0 AK |
461 | { |
462 | struct zebra_evpn_es_evi *es_evi; | |
463 | struct zebra_evpn_es_evi *es_evi_next; | |
464 | ||
465 | RB_FOREACH_SAFE(es_evi, zebra_es_evi_rb_head, | |
87d76d54 | 466 | &zevpn->es_evi_rb_tree, es_evi_next) { |
ce5160c0 AK |
467 | zebra_evpn_local_es_evi_do_del(es_evi); |
468 | } | |
469 | ||
87d76d54 PR |
470 | list_delete(&zevpn->local_es_evi_list); |
471 | zebra_evpn_es_clear_base_evpn(zevpn); | |
ce5160c0 AK |
472 | } |
473 | ||
474 | /* called when the oper state or bridge membership changes for the | |
475 | * vxlan device | |
476 | */ | |
f6371c34 | 477 | void zebra_evpn_update_all_es(struct zebra_evpn *zevpn) |
ce5160c0 AK |
478 | { |
479 | struct zebra_evpn_es_evi *es_evi; | |
480 | struct listnode *node; | |
e4c3ece6 AK |
481 | struct interface *vlan_if; |
482 | struct interface *vxlan_if; | |
483 | struct zebra_if *vxlan_zif; | |
ce5160c0 | 484 | |
87d76d54 PR |
485 | /* the EVPN is now elgible as a base for EVPN-MH */ |
486 | if (zebra_evpn_send_to_client_ok(zevpn)) | |
487 | zebra_evpn_es_set_base_evpn(zevpn); | |
ce5160c0 | 488 | else |
87d76d54 | 489 | zebra_evpn_es_clear_base_evpn(zevpn); |
ce5160c0 | 490 | |
87d76d54 | 491 | for (ALL_LIST_ELEMENTS_RO(zevpn->local_es_evi_list, node, es_evi)) |
ce5160c0 | 492 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); |
e4c3ece6 AK |
493 | |
494 | /* reinstall SVI MAC */ | |
495 | vxlan_if = zevpn->vxlan_if; | |
496 | if (vxlan_if) { | |
497 | vxlan_zif = vxlan_if->info; | |
498 | if (if_is_operative(vxlan_if) | |
499 | && vxlan_zif->brslave_info.br_if) { | |
500 | vlan_if = zvni_map_to_svi( | |
501 | vxlan_zif->l2info.vxl.access_vlan, | |
502 | vxlan_zif->brslave_info.br_if); | |
503 | if (vlan_if) | |
504 | zebra_evpn_acc_bd_svi_mac_add(vlan_if); | |
505 | } | |
506 | } | |
ce5160c0 AK |
507 | } |
508 | ||
509 | /*****************************************************************************/ | |
510 | /* Access broadcast domains (BD) | |
511 | * 1. These broadcast domains can be VLAN aware (in which case | |
512 | * the key is VID) or VLAN unaware (in which case the key is | |
513 | * 2. A VID-BD is created when a VLAN is associated with an access port or | |
514 | * when the VLAN is associated with VXLAN_IF | |
515 | * 3. A BD is translated into ES-EVI entries when a VNI is associated | |
516 | * with the broadcast domain | |
517 | */ | |
518 | /* Hash key for VLAN based broadcast domains */ | |
519 | static unsigned int zebra_evpn_acc_vl_hash_keymake(const void *p) | |
520 | { | |
521 | const struct zebra_evpn_access_bd *acc_bd = p; | |
522 | ||
523 | return jhash_1word(acc_bd->vid, 0); | |
524 | } | |
525 | ||
526 | /* Compare two VLAN based broadcast domains */ | |
527 | static bool zebra_evpn_acc_vl_cmp(const void *p1, const void *p2) | |
528 | { | |
529 | const struct zebra_evpn_access_bd *acc_bd1 = p1; | |
530 | const struct zebra_evpn_access_bd *acc_bd2 = p2; | |
531 | ||
532 | if (acc_bd1 == NULL && acc_bd2 == NULL) | |
533 | return true; | |
534 | ||
535 | if (acc_bd1 == NULL || acc_bd2 == NULL) | |
536 | return false; | |
537 | ||
538 | return (acc_bd1->vid == acc_bd2->vid); | |
539 | } | |
540 | ||
541 | /* Lookup VLAN based broadcast domain */ | |
542 | static struct zebra_evpn_access_bd *zebra_evpn_acc_vl_find(vlanid_t vid) | |
543 | { | |
544 | struct zebra_evpn_access_bd *acc_bd; | |
545 | struct zebra_evpn_access_bd tmp; | |
546 | ||
547 | tmp.vid = vid; | |
548 | acc_bd = hash_lookup(zmh_info->evpn_vlan_table, &tmp); | |
549 | ||
550 | return acc_bd; | |
551 | } | |
552 | ||
553 | /* A new broadcast domain can be created when a VLAN member or VLAN<=>VxLAN_IF | |
554 | * mapping is added. | |
555 | */ | |
243b74ed AK |
556 | static struct zebra_evpn_access_bd * |
557 | zebra_evpn_acc_vl_new(vlanid_t vid, struct interface *br_if) | |
ce5160c0 AK |
558 | { |
559 | struct zebra_evpn_access_bd *acc_bd; | |
243b74ed | 560 | struct interface *vlan_if; |
ce5160c0 AK |
561 | |
562 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
563 | zlog_debug("access vlan %d add", vid); | |
564 | ||
565 | acc_bd = XCALLOC(MTYPE_ZACC_BD, sizeof(struct zebra_evpn_access_bd)); | |
566 | ||
567 | acc_bd->vid = vid; | |
568 | ||
569 | /* Initialize the mbr list */ | |
570 | acc_bd->mbr_zifs = list_new(); | |
571 | ||
572 | /* Add to hash */ | |
8e3aae66 | 573 | (void)hash_get(zmh_info->evpn_vlan_table, acc_bd, hash_alloc_intern); |
ce5160c0 | 574 | |
243b74ed AK |
575 | /* check if an svi exists for the vlan */ |
576 | if (br_if) { | |
577 | vlan_if = zvni_map_to_svi(vid, br_if); | |
578 | if (vlan_if) { | |
579 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
580 | zlog_debug("vlan %d SVI %s set", vid, | |
581 | vlan_if->name); | |
582 | acc_bd->vlan_zif = vlan_if->info; | |
583 | } | |
584 | } | |
ce5160c0 AK |
585 | return acc_bd; |
586 | } | |
587 | ||
588 | /* Free VLAN based broadcast domain - | |
589 | * This just frees appropriate memory, caller should have taken other | |
590 | * needed actions. | |
591 | */ | |
592 | static void zebra_evpn_acc_vl_free(struct zebra_evpn_access_bd *acc_bd) | |
593 | { | |
594 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
595 | zlog_debug("access vlan %d del", acc_bd->vid); | |
596 | ||
243b74ed AK |
597 | if (acc_bd->vlan_zif && acc_bd->zevpn && acc_bd->zevpn->mac_table) |
598 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
599 | ||
ce5160c0 AK |
600 | /* cleanup resources maintained against the ES */ |
601 | list_delete(&acc_bd->mbr_zifs); | |
602 | ||
603 | /* remove EVI from various tables */ | |
604 | hash_release(zmh_info->evpn_vlan_table, acc_bd); | |
605 | ||
606 | XFREE(MTYPE_ZACC_BD, acc_bd); | |
607 | } | |
608 | ||
609 | static void zebra_evpn_acc_vl_cleanup_all(struct hash_bucket *bucket, void *arg) | |
610 | { | |
611 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
612 | ||
613 | zebra_evpn_acc_vl_free(acc_bd); | |
614 | } | |
615 | ||
616 | /* called when a bd mbr is removed or VxLAN_IF is diassociated from the access | |
617 | * VLAN | |
618 | */ | |
619 | static void zebra_evpn_acc_bd_free_on_deref(struct zebra_evpn_access_bd *acc_bd) | |
620 | { | |
621 | if (!list_isempty(acc_bd->mbr_zifs) || acc_bd->vxlan_zif) | |
622 | return; | |
623 | ||
624 | /* if there are no references free the EVI */ | |
625 | zebra_evpn_acc_vl_free(acc_bd); | |
626 | } | |
627 | ||
243b74ed AK |
628 | /* called when a SVI is goes up/down */ |
629 | void zebra_evpn_acc_bd_svi_set(struct zebra_if *vlan_zif, | |
630 | struct zebra_if *br_zif, bool is_up) | |
631 | { | |
632 | struct zebra_evpn_access_bd *acc_bd; | |
633 | struct zebra_l2info_bridge *br; | |
634 | uint16_t vid; | |
635 | struct zebra_if *tmp_br_zif = br_zif; | |
636 | ||
637 | if (!tmp_br_zif) { | |
3b63732a | 638 | if (!vlan_zif->link || !vlan_zif->link->info) |
243b74ed AK |
639 | return; |
640 | ||
641 | tmp_br_zif = vlan_zif->link->info; | |
642 | } | |
643 | ||
644 | br = &tmp_br_zif->l2info.br; | |
645 | /* ignore vlan unaware bridges */ | |
646 | if (!br->vlan_aware) | |
647 | return; | |
648 | ||
649 | vid = vlan_zif->l2info.vl.vid; | |
650 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
651 | if (!acc_bd) | |
652 | return; | |
653 | ||
654 | if (is_up) { | |
655 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
656 | zlog_debug("vlan %d SVI %s set", vid, | |
657 | vlan_zif->ifp->name); | |
658 | ||
659 | acc_bd->vlan_zif = vlan_zif; | |
660 | if (acc_bd->zevpn) | |
661 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
662 | acc_bd->zevpn); | |
663 | } else if (acc_bd->vlan_zif) { | |
664 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
665 | zlog_debug("vlan %d SVI clear", vid); | |
666 | acc_bd->vlan_zif = NULL; | |
667 | if (acc_bd->zevpn && acc_bd->zevpn->mac_table) | |
668 | zebra_evpn_mac_svi_del(vlan_zif->ifp, acc_bd->zevpn); | |
669 | } | |
670 | } | |
671 | ||
672 | /* On some events macs are force-flushed. This api can be used to reinstate | |
673 | * the svi-mac after such cleanup-events. | |
674 | */ | |
675 | void zebra_evpn_acc_bd_svi_mac_add(struct interface *vlan_if) | |
676 | { | |
677 | zebra_evpn_acc_bd_svi_set(vlan_if->info, NULL, | |
678 | if_is_operative(vlan_if)); | |
679 | } | |
680 | ||
ce5160c0 | 681 | /* called when a EVPN-L2VNI is set or cleared against a BD */ |
87d76d54 | 682 | static void zebra_evpn_acc_bd_evpn_set(struct zebra_evpn_access_bd *acc_bd, |
f6371c34 DS |
683 | struct zebra_evpn *zevpn, |
684 | struct zebra_evpn *old_zevpn) | |
ce5160c0 AK |
685 | { |
686 | struct zebra_if *zif; | |
687 | struct listnode *node; | |
688 | ||
689 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
690 | zlog_debug("access vlan %d l2-vni %u set", | |
87d76d54 | 691 | acc_bd->vid, zevpn ? zevpn->vni : 0); |
ce5160c0 AK |
692 | |
693 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
694 | if (!zif->es_info.es) | |
695 | continue; | |
696 | ||
87d76d54 PR |
697 | if (zevpn) |
698 | zebra_evpn_local_es_evi_add(zif->es_info.es, zevpn); | |
699 | else if (old_zevpn) | |
700 | zebra_evpn_local_es_evi_del(zif->es_info.es, old_zevpn); | |
ce5160c0 | 701 | } |
243b74ed AK |
702 | |
703 | if (acc_bd->vlan_zif) { | |
704 | if (zevpn) | |
705 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
706 | acc_bd->zevpn); | |
707 | else if (old_zevpn && old_zevpn->mac_table) | |
708 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, | |
709 | old_zevpn); | |
710 | } | |
ce5160c0 AK |
711 | } |
712 | ||
713 | /* handle VLAN->VxLAN_IF association */ | |
714 | void zebra_evpn_vl_vxl_ref(uint16_t vid, struct zebra_if *vxlan_zif) | |
715 | { | |
716 | struct zebra_evpn_access_bd *acc_bd; | |
717 | struct zebra_if *old_vxlan_zif; | |
f6371c34 | 718 | struct zebra_evpn *old_zevpn; |
ce5160c0 AK |
719 | |
720 | if (!vid) | |
721 | return; | |
722 | ||
723 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
724 | if (!acc_bd) | |
243b74ed AK |
725 | acc_bd = zebra_evpn_acc_vl_new(vid, |
726 | vxlan_zif->brslave_info.br_if); | |
ce5160c0 AK |
727 | |
728 | old_vxlan_zif = acc_bd->vxlan_zif; | |
729 | acc_bd->vxlan_zif = vxlan_zif; | |
730 | if (vxlan_zif == old_vxlan_zif) | |
731 | return; | |
732 | ||
87d76d54 | 733 | old_zevpn = acc_bd->zevpn; |
8b5fdf2e | 734 | acc_bd->zevpn = zebra_evpn_lookup(vxlan_zif->l2info.vxl.vni); |
87d76d54 | 735 | if (acc_bd->zevpn == old_zevpn) |
ce5160c0 AK |
736 | return; |
737 | ||
738 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
739 | zlog_debug("access vlan %d vni %u ref", | |
740 | acc_bd->vid, vxlan_zif->l2info.vxl.vni); | |
741 | ||
87d76d54 PR |
742 | if (old_zevpn) |
743 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 | 744 | |
87d76d54 PR |
745 | if (acc_bd->zevpn) |
746 | zebra_evpn_acc_bd_evpn_set(acc_bd, acc_bd->zevpn, NULL); | |
ce5160c0 AK |
747 | } |
748 | ||
749 | /* handle VLAN->VxLAN_IF deref */ | |
750 | void zebra_evpn_vl_vxl_deref(uint16_t vid, struct zebra_if *vxlan_zif) | |
751 | { | |
752 | struct zebra_evpn_access_bd *acc_bd; | |
753 | ||
754 | if (!vid) | |
755 | return; | |
756 | ||
757 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
758 | if (!acc_bd) | |
759 | return; | |
760 | ||
761 | /* clear vxlan_if only if it matches */ | |
762 | if (acc_bd->vxlan_zif != vxlan_zif) | |
763 | return; | |
764 | ||
765 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
766 | zlog_debug("access vlan %d vni %u deref", | |
767 | acc_bd->vid, vxlan_zif->l2info.vxl.vni); | |
768 | ||
87d76d54 PR |
769 | if (acc_bd->zevpn) |
770 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, acc_bd->zevpn); | |
ce5160c0 | 771 | |
87d76d54 | 772 | acc_bd->zevpn = NULL; |
ce5160c0 AK |
773 | acc_bd->vxlan_zif = NULL; |
774 | ||
775 | /* if there are no other references the access_bd can be freed */ | |
776 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
777 | } | |
778 | ||
87d76d54 | 779 | /* handle EVPN add/del */ |
f6371c34 DS |
780 | void zebra_evpn_vxl_evpn_set(struct zebra_if *zif, struct zebra_evpn *zevpn, |
781 | bool set) | |
ce5160c0 AK |
782 | { |
783 | struct zebra_l2info_vxlan *vxl; | |
784 | struct zebra_evpn_access_bd *acc_bd; | |
785 | ||
786 | if (!zif) | |
787 | return; | |
788 | ||
789 | /* locate access_bd associated with the vxlan device */ | |
790 | vxl = &zif->l2info.vxl; | |
791 | acc_bd = zebra_evpn_acc_vl_find(vxl->access_vlan); | |
792 | if (!acc_bd) | |
793 | return; | |
794 | ||
795 | if (set) { | |
87d76d54 PR |
796 | zebra_evpn_es_set_base_evpn(zevpn); |
797 | if (acc_bd->zevpn != zevpn) { | |
798 | acc_bd->zevpn = zevpn; | |
799 | zebra_evpn_acc_bd_evpn_set(acc_bd, zevpn, NULL); | |
ce5160c0 AK |
800 | } |
801 | } else { | |
87d76d54 | 802 | if (acc_bd->zevpn) { |
f6371c34 | 803 | struct zebra_evpn *old_zevpn = acc_bd->zevpn; |
87d76d54 PR |
804 | acc_bd->zevpn = NULL; |
805 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 AK |
806 | } |
807 | } | |
808 | } | |
809 | ||
810 | /* handle addition of new VLAN members */ | |
811 | void zebra_evpn_vl_mbr_ref(uint16_t vid, struct zebra_if *zif) | |
812 | { | |
813 | struct zebra_evpn_access_bd *acc_bd; | |
814 | ||
815 | if (!vid) | |
816 | return; | |
817 | ||
818 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
819 | if (!acc_bd) | |
243b74ed | 820 | acc_bd = zebra_evpn_acc_vl_new(vid, zif->brslave_info.br_if); |
ce5160c0 AK |
821 | |
822 | if (listnode_lookup(acc_bd->mbr_zifs, zif)) | |
823 | return; | |
824 | ||
825 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
826 | zlog_debug("access vlan %d mbr %s ref", | |
827 | vid, zif->ifp->name); | |
828 | ||
829 | listnode_add(acc_bd->mbr_zifs, zif); | |
87d76d54 PR |
830 | if (acc_bd->zevpn && zif->es_info.es) |
831 | zebra_evpn_local_es_evi_add(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
832 | } |
833 | ||
834 | /* handle deletion of VLAN members */ | |
835 | void zebra_evpn_vl_mbr_deref(uint16_t vid, struct zebra_if *zif) | |
836 | { | |
837 | struct zebra_evpn_access_bd *acc_bd; | |
838 | struct listnode *node; | |
839 | ||
840 | if (!vid) | |
841 | return; | |
842 | ||
843 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
844 | if (!acc_bd) | |
845 | return; | |
846 | ||
847 | node = listnode_lookup(acc_bd->mbr_zifs, zif); | |
848 | if (!node) | |
849 | return; | |
850 | ||
851 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
852 | zlog_debug("access vlan %d mbr %s deref", | |
853 | vid, zif->ifp->name); | |
854 | ||
855 | list_delete_node(acc_bd->mbr_zifs, node); | |
856 | ||
87d76d54 PR |
857 | if (acc_bd->zevpn && zif->es_info.es) |
858 | zebra_evpn_local_es_evi_del(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
859 | |
860 | /* if there are no other references the access_bd can be freed */ | |
861 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
862 | } | |
863 | ||
243b74ed AK |
864 | static void zebra_evpn_acc_vl_adv_svi_mac_cb(struct hash_bucket *bucket, |
865 | void *ctxt) | |
866 | { | |
867 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
868 | ||
869 | if (acc_bd->vlan_zif && acc_bd->zevpn) | |
870 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
871 | } | |
872 | ||
873 | /* called when advertise SVI MAC is enabled on the switch */ | |
874 | static void zebra_evpn_acc_vl_adv_svi_mac_all(void) | |
875 | { | |
876 | hash_iterate(zmh_info->evpn_vlan_table, | |
877 | zebra_evpn_acc_vl_adv_svi_mac_cb, NULL); | |
878 | } | |
879 | ||
acffa256 AK |
880 | static void zebra_evpn_acc_vl_json_fill(struct zebra_evpn_access_bd *acc_bd, |
881 | json_object *json, bool detail) | |
882 | { | |
883 | json_object_int_add(json, "vlan", acc_bd->vid); | |
884 | if (acc_bd->vxlan_zif) | |
885 | json_object_string_add(json, "vxlanIf", | |
886 | acc_bd->vxlan_zif->ifp->name); | |
887 | if (acc_bd->zevpn) | |
888 | json_object_int_add(json, "vni", acc_bd->zevpn->vni); | |
889 | if (acc_bd->mbr_zifs) | |
890 | json_object_int_add(json, "memberIfCount", | |
891 | listcount(acc_bd->mbr_zifs)); | |
892 | ||
893 | if (detail) { | |
894 | json_object *json_mbrs; | |
895 | json_object *json_mbr; | |
896 | struct zebra_if *zif; | |
897 | struct listnode *node; | |
898 | ||
899 | ||
900 | json_mbrs = json_object_new_array(); | |
901 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
902 | json_mbr = json_object_new_object(); | |
903 | json_object_string_add(json_mbr, "ifName", | |
904 | zif->ifp->name); | |
905 | json_object_array_add(json_mbrs, json_mbr); | |
906 | } | |
907 | json_object_object_add(json, "members", json_mbrs); | |
908 | } | |
909 | } | |
910 | ||
ce5160c0 AK |
911 | static void zebra_evpn_acc_vl_show_entry_detail(struct vty *vty, |
912 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
913 | { | |
914 | struct zebra_if *zif; | |
915 | struct listnode *node; | |
916 | ||
917 | if (json) { | |
acffa256 | 918 | zebra_evpn_acc_vl_json_fill(acc_bd, json, true); |
ce5160c0 AK |
919 | } else { |
920 | vty_out(vty, "VLAN: %u\n", acc_bd->vid); | |
921 | vty_out(vty, " VxLAN Interface: %s\n", | |
922 | acc_bd->vxlan_zif ? | |
923 | acc_bd->vxlan_zif->ifp->name : "-"); | |
243b74ed AK |
924 | vty_out(vty, " SVI: %s\n", |
925 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-"); | |
ce5160c0 | 926 | vty_out(vty, " L2-VNI: %d\n", |
87d76d54 | 927 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0); |
ce5160c0 AK |
928 | vty_out(vty, " Member Count: %d\n", |
929 | listcount(acc_bd->mbr_zifs)); | |
930 | vty_out(vty, " Members: \n"); | |
931 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) | |
932 | vty_out(vty, " %s\n", zif->ifp->name); | |
933 | vty_out(vty, "\n"); | |
934 | } | |
935 | } | |
936 | ||
937 | static void zebra_evpn_acc_vl_show_entry(struct vty *vty, | |
938 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
939 | { | |
acffa256 AK |
940 | if (json) { |
941 | zebra_evpn_acc_vl_json_fill(acc_bd, json, false); | |
942 | } else { | |
243b74ed AK |
943 | vty_out(vty, "%-5u %-15s %-8d %-15s %u\n", acc_bd->vid, |
944 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-", | |
945 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0, | |
946 | acc_bd->vxlan_zif ? acc_bd->vxlan_zif->ifp->name : "-", | |
947 | listcount(acc_bd->mbr_zifs)); | |
acffa256 | 948 | } |
ce5160c0 AK |
949 | } |
950 | ||
951 | static void zebra_evpn_acc_vl_show_hash(struct hash_bucket *bucket, void *ctxt) | |
952 | { | |
953 | struct evpn_mh_show_ctx *wctx = ctxt; | |
954 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
acffa256 | 955 | json_object *json = NULL; |
ce5160c0 | 956 | |
acffa256 AK |
957 | if (wctx->json) |
958 | json = json_object_new_object(); | |
ce5160c0 | 959 | if (wctx->detail) |
acffa256 | 960 | zebra_evpn_acc_vl_show_entry_detail(wctx->vty, acc_bd, json); |
ce5160c0 | 961 | else |
acffa256 AK |
962 | zebra_evpn_acc_vl_show_entry(wctx->vty, acc_bd, json); |
963 | if (json) | |
964 | json_object_array_add(wctx->json, json); | |
ce5160c0 AK |
965 | } |
966 | ||
967 | void zebra_evpn_acc_vl_show(struct vty *vty, bool uj) | |
968 | { | |
ce5160c0 | 969 | struct evpn_mh_show_ctx wctx; |
acffa256 AK |
970 | json_object *json_array = NULL; |
971 | ||
972 | if (uj) | |
973 | json_array = json_object_new_array(); | |
ce5160c0 AK |
974 | |
975 | memset(&wctx, 0, sizeof(wctx)); | |
976 | wctx.vty = vty; | |
acffa256 | 977 | wctx.json = json_array; |
ce5160c0 AK |
978 | wctx.detail = false; |
979 | ||
acffa256 | 980 | if (!uj) |
243b74ed AK |
981 | vty_out(vty, "%-5s %-15s %-8s %-15s %s\n", "VLAN", "SVI", |
982 | "L2-VNI", "VXLAN-IF", "# Members"); | |
ce5160c0 AK |
983 | |
984 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
985 | &wctx); | |
acffa256 | 986 | |
c48349e3 | 987 | if (uj) |
962af8a8 | 988 | vty_json(vty, json_array); |
ce5160c0 AK |
989 | } |
990 | ||
991 | void zebra_evpn_acc_vl_show_detail(struct vty *vty, bool uj) | |
992 | { | |
ce5160c0 | 993 | struct evpn_mh_show_ctx wctx; |
acffa256 | 994 | json_object *json_array = NULL; |
ce5160c0 | 995 | |
acffa256 AK |
996 | if (uj) |
997 | json_array = json_object_new_array(); | |
ce5160c0 AK |
998 | memset(&wctx, 0, sizeof(wctx)); |
999 | wctx.vty = vty; | |
acffa256 | 1000 | wctx.json = json_array; |
ce5160c0 AK |
1001 | wctx.detail = true; |
1002 | ||
1003 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1004 | &wctx); | |
acffa256 | 1005 | |
c48349e3 | 1006 | if (uj) |
962af8a8 | 1007 | vty_json(vty, json_array); |
ce5160c0 AK |
1008 | } |
1009 | ||
1010 | void zebra_evpn_acc_vl_show_vid(struct vty *vty, bool uj, vlanid_t vid) | |
1011 | { | |
1012 | json_object *json = NULL; | |
1013 | struct zebra_evpn_access_bd *acc_bd; | |
1014 | ||
acffa256 AK |
1015 | if (uj) |
1016 | json = json_object_new_object(); | |
1017 | ||
ce5160c0 | 1018 | acc_bd = zebra_evpn_acc_vl_find(vid); |
acffa256 AK |
1019 | if (acc_bd) { |
1020 | zebra_evpn_acc_vl_show_entry_detail(vty, acc_bd, json); | |
1021 | } else { | |
1022 | if (!json) | |
ce5160c0 | 1023 | vty_out(vty, "VLAN %u not present\n", vid); |
ce5160c0 | 1024 | } |
acffa256 | 1025 | |
c48349e3 | 1026 | if (uj) |
962af8a8 | 1027 | vty_json(vty, json); |
ce5160c0 AK |
1028 | } |
1029 | ||
1030 | /* Initialize VLAN member bitmap on an interface. Although VLAN membership | |
1031 | * is independent of EVPN we only process it if its of interest to EVPN-MH | |
1032 | * i.e. on access ports that can be setup as Ethernet Segments. And that is | |
1033 | * intended as an optimization. | |
1034 | */ | |
1035 | void zebra_evpn_if_init(struct zebra_if *zif) | |
1036 | { | |
1037 | if (!zebra_evpn_is_if_es_capable(zif)) | |
1038 | return; | |
1039 | ||
1040 | if (!bf_is_inited(zif->vlan_bitmap)) | |
1041 | bf_init(zif->vlan_bitmap, IF_VLAN_BITMAP_MAX); | |
1042 | ||
1043 | /* if an es_id and sysmac are already present against the interface | |
1044 | * activate it | |
1045 | */ | |
325d694b | 1046 | zebra_evpn_local_es_update(zif, &zif->es_info.esi); |
ce5160c0 AK |
1047 | } |
1048 | ||
1049 | /* handle deletion of an access port by removing it from all associated | |
1050 | * broadcast domains. | |
1051 | */ | |
1052 | void zebra_evpn_if_cleanup(struct zebra_if *zif) | |
1053 | { | |
1054 | vlanid_t vid; | |
ab06b033 | 1055 | struct zebra_evpn_es *es; |
ce5160c0 | 1056 | |
6e59c4a7 AK |
1057 | if (bf_is_inited(zif->vlan_bitmap)) { |
1058 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) | |
1059 | { | |
1060 | zebra_evpn_vl_mbr_deref(vid, zif); | |
1061 | } | |
ce5160c0 | 1062 | |
6e59c4a7 | 1063 | bf_free(zif->vlan_bitmap); |
ce5160c0 AK |
1064 | } |
1065 | ||
ce5160c0 | 1066 | /* Delete associated Ethernet Segment */ |
ab06b033 AK |
1067 | es = zif->es_info.es; |
1068 | if (es) | |
1069 | zebra_evpn_local_es_del(&es); | |
ce5160c0 AK |
1070 | } |
1071 | ||
1072 | /***************************************************************************** | |
1073 | * L2 NH/NHG Management | |
1074 | * A L2 NH entry is programmed in the kernel for every ES-VTEP entry. This | |
1075 | * NH is then added to the L2-ECMP-NHG associated with the ES. | |
1076 | */ | |
15400f95 | 1077 | static uint32_t zebra_evpn_nhid_alloc(struct zebra_evpn_es *es) |
ce5160c0 AK |
1078 | { |
1079 | uint32_t id; | |
15400f95 | 1080 | uint32_t nh_id; |
ce5160c0 AK |
1081 | |
1082 | bf_assign_index(zmh_info->nh_id_bitmap, id); | |
1083 | ||
1084 | if (!id) | |
1085 | return 0; | |
1086 | ||
15400f95 AK |
1087 | if (es) { |
1088 | nh_id = id | EVPN_NHG_ID_TYPE_BIT; | |
1089 | /* Add to NHG hash */ | |
1090 | es->nhg_id = nh_id; | |
8e3aae66 | 1091 | (void)hash_get(zmh_info->nhg_table, es, hash_alloc_intern); |
15400f95 AK |
1092 | } else { |
1093 | nh_id = id | EVPN_NH_ID_TYPE_BIT; | |
1094 | } | |
1095 | ||
1096 | return nh_id; | |
ce5160c0 AK |
1097 | } |
1098 | ||
15400f95 | 1099 | static void zebra_evpn_nhid_free(uint32_t nh_id, struct zebra_evpn_es *es) |
ce5160c0 AK |
1100 | { |
1101 | uint32_t id = (nh_id & EVPN_NH_ID_VAL_MASK); | |
1102 | ||
1103 | if (!id) | |
1104 | return; | |
1105 | ||
15400f95 AK |
1106 | if (es) { |
1107 | hash_release(zmh_info->nhg_table, es); | |
1108 | es->nhg_id = 0; | |
1109 | } | |
1110 | ||
ce5160c0 AK |
1111 | bf_release_index(zmh_info->nh_id_bitmap, id); |
1112 | } | |
1113 | ||
5de10c37 AK |
1114 | static unsigned int zebra_evpn_nh_ip_hash_keymake(const void *p) |
1115 | { | |
1116 | const struct zebra_evpn_l2_nh *nh = p; | |
1117 | ||
1118 | return jhash_1word(nh->vtep_ip.s_addr, 0); | |
1119 | } | |
1120 | ||
1121 | static bool zebra_evpn_nh_ip_cmp(const void *p1, const void *p2) | |
1122 | { | |
1123 | const struct zebra_evpn_l2_nh *nh1 = p1; | |
1124 | const struct zebra_evpn_l2_nh *nh2 = p2; | |
1125 | ||
1126 | if (nh1 == NULL && nh2 == NULL) | |
1127 | return true; | |
1128 | ||
1129 | if (nh1 == NULL || nh2 == NULL) | |
1130 | return false; | |
1131 | ||
1132 | return (nh1->vtep_ip.s_addr == nh2->vtep_ip.s_addr); | |
1133 | } | |
1134 | ||
15400f95 AK |
1135 | static unsigned int zebra_evpn_nhg_hash_keymake(const void *p) |
1136 | { | |
1137 | const struct zebra_evpn_es *es = p; | |
1138 | ||
1139 | return jhash_1word(es->nhg_id, 0); | |
1140 | } | |
1141 | ||
1142 | static bool zebra_evpn_nhg_cmp(const void *p1, const void *p2) | |
1143 | { | |
1144 | const struct zebra_evpn_es *es1 = p1; | |
1145 | const struct zebra_evpn_es *es2 = p2; | |
1146 | ||
1147 | if (es1 == NULL && es2 == NULL) | |
1148 | return true; | |
1149 | ||
1150 | if (es1 == NULL || es2 == NULL) | |
1151 | return false; | |
1152 | ||
1153 | return (es1->nhg_id == es2->nhg_id); | |
1154 | } | |
1155 | ||
1156 | /* Lookup ES using the NHG id associated with it */ | |
1157 | static struct zebra_evpn_es *zebra_evpn_nhg_find(uint32_t nhg_id) | |
1158 | { | |
1159 | struct zebra_evpn_es *es; | |
1160 | struct zebra_evpn_es tmp; | |
1161 | ||
1162 | tmp.nhg_id = nhg_id; | |
1163 | es = hash_lookup(zmh_info->nhg_table, &tmp); | |
1164 | ||
1165 | return es; | |
1166 | } | |
1167 | ||
1168 | /* Returns TRUE if the NHG is associated with a local ES */ | |
1169 | bool zebra_evpn_nhg_is_local_es(uint32_t nhg_id, | |
1170 | struct zebra_evpn_es **local_es) | |
1171 | { | |
1172 | struct zebra_evpn_es *es; | |
1173 | ||
1174 | es = zebra_evpn_nhg_find(nhg_id); | |
1175 | if (es && (es->flags & ZEBRA_EVPNES_LOCAL)) { | |
1176 | *local_es = es; | |
1177 | return true; | |
1178 | } | |
1179 | ||
1180 | *local_es = NULL; | |
1181 | return false; | |
1182 | } | |
1183 | ||
f3722826 AK |
1184 | /* update remote macs associated with the ES */ |
1185 | static void zebra_evpn_nhg_mac_update(struct zebra_evpn_es *es) | |
1186 | { | |
3198b2b3 | 1187 | struct zebra_mac *mac; |
f3722826 | 1188 | struct listnode *node; |
15400f95 | 1189 | bool local_via_nw; |
f3722826 | 1190 | |
15400f95 AK |
1191 | local_via_nw = zebra_evpn_es_local_mac_via_network_port(es); |
1192 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1193 | zlog_debug("mac update on es %s nhg %s", es->esi_str, | |
1194 | (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1195 | ? "activate" | |
1196 | : "de-activate"); | |
f3722826 | 1197 | |
15400f95 AK |
1198 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { |
1199 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1200 | || (local_via_nw && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
1201 | && zebra_evpn_mac_is_static(mac))) { | |
1202 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1203 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1204 | zlog_debug( | |
1205 | "%smac %pEA install via es %s nhg 0x%x", | |
1206 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1207 | ? "rem" | |
1208 | : "local-nw", | |
1209 | &mac->macaddr, es->esi_str, | |
1210 | es->nhg_id); | |
1211 | zebra_evpn_rem_mac_install( | |
1212 | mac->zevpn, mac, false /*was_static*/); | |
1213 | } else { | |
1214 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1215 | zlog_debug( | |
1216 | "%smac %pEA un-install es %s", | |
1217 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1218 | ? "rem" | |
1219 | : "local-nw", | |
1220 | &mac->macaddr, es->esi_str); | |
1221 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
1222 | true /*force*/); | |
1223 | } | |
1224 | } | |
f3722826 AK |
1225 | } |
1226 | } | |
1227 | ||
ce5160c0 AK |
1228 | /* The MAC ECMP group is activated on the first VTEP */ |
1229 | static void zebra_evpn_nhg_update(struct zebra_evpn_es *es) | |
1230 | { | |
1231 | uint32_t nh_cnt = 0; | |
1232 | struct nh_grp nh_ids[ES_VTEP_MAX_CNT]; | |
1233 | struct zebra_evpn_es_vtep *es_vtep; | |
1234 | struct listnode *node; | |
1235 | ||
1236 | if (!es->nhg_id) | |
1237 | return; | |
1238 | ||
1239 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
5de10c37 | 1240 | if (!es_vtep->nh) |
ce5160c0 AK |
1241 | continue; |
1242 | ||
1243 | if (nh_cnt >= ES_VTEP_MAX_CNT) | |
1244 | break; | |
1245 | ||
1246 | memset(&nh_ids[nh_cnt], 0, sizeof(struct nh_grp)); | |
5de10c37 | 1247 | nh_ids[nh_cnt].id = es_vtep->nh->nh_id; |
ce5160c0 AK |
1248 | ++nh_cnt; |
1249 | } | |
1250 | ||
1251 | if (nh_cnt) { | |
1252 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) { | |
1253 | char nh_str[ES_VTEP_LIST_STR_SZ]; | |
1254 | uint32_t i; | |
9e0c2fd1 | 1255 | char nh_buf[16]; |
ce5160c0 AK |
1256 | |
1257 | nh_str[0] = '\0'; | |
9e0c2fd1 AK |
1258 | for (i = 0; i < nh_cnt; ++i) { |
1259 | snprintf(nh_buf, sizeof(nh_buf), "%u ", | |
1260 | nh_ids[i].id); | |
1261 | strlcat(nh_str, nh_buf, sizeof(nh_str)); | |
1262 | } | |
dfa3d3d7 AK |
1263 | zlog_debug("es %s nhg %u add %s", es->esi_str, |
1264 | es->nhg_id, nh_str); | |
ce5160c0 AK |
1265 | } |
1266 | ||
ce5160c0 | 1267 | kernel_upd_mac_nhg(es->nhg_id, nh_cnt, nh_ids); |
28e80a03 AK |
1268 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) { |
1269 | es->flags |= ZEBRA_EVPNES_NHG_ACTIVE; | |
1270 | /* add backup NHG to the br-port */ | |
1271 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1272 | zebra_evpn_es_br_port_dplane_update(es, | |
1273 | __func__); | |
f3722826 | 1274 | zebra_evpn_nhg_mac_update(es); |
28e80a03 | 1275 | } |
ce5160c0 AK |
1276 | } else { |
1277 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1278 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
dfa3d3d7 AK |
1279 | zlog_debug("es %s nhg %u del", es->esi_str, |
1280 | es->nhg_id); | |
ce5160c0 | 1281 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; |
28e80a03 AK |
1282 | /* remove backup NHG from the br-port */ |
1283 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1284 | zebra_evpn_es_br_port_dplane_update(es, | |
1285 | __func__); | |
f3722826 | 1286 | zebra_evpn_nhg_mac_update(es); |
ce5160c0 AK |
1287 | kernel_del_mac_nhg(es->nhg_id); |
1288 | } | |
1289 | } | |
1290 | ||
ce5160c0 AK |
1291 | } |
1292 | ||
5de10c37 AK |
1293 | static void zebra_evpn_es_l2_nh_show_entry(struct zebra_evpn_l2_nh *nh, |
1294 | struct vty *vty, | |
1295 | json_object *json_array) | |
ce5160c0 | 1296 | { |
5de10c37 AK |
1297 | if (json_array) { |
1298 | json_object *json = NULL; | |
5de10c37 AK |
1299 | |
1300 | json = json_object_new_object(); | |
08edf9c6 | 1301 | json_object_string_addf(json, "vtep", "%pI4", &nh->vtep_ip); |
5de10c37 AK |
1302 | json_object_int_add(json, "nhId", nh->nh_id); |
1303 | json_object_int_add(json, "refCnt", nh->ref_cnt); | |
1304 | ||
1305 | json_object_array_add(json_array, json); | |
1306 | } else { | |
1307 | vty_out(vty, "%-16pI4 %-10u %u\n", &nh->vtep_ip, nh->nh_id, | |
1308 | nh->ref_cnt); | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | static void zebra_evpn_l2_nh_show_cb(struct hash_bucket *bucket, void *ctxt) | |
1313 | { | |
1314 | struct zebra_evpn_l2_nh *nh = (struct zebra_evpn_l2_nh *)bucket->data; | |
1315 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; | |
1316 | ||
1317 | zebra_evpn_es_l2_nh_show_entry(nh, wctx->vty, wctx->json); | |
1318 | } | |
1319 | ||
1320 | void zebra_evpn_l2_nh_show(struct vty *vty, bool uj) | |
1321 | { | |
1322 | struct evpn_mh_show_ctx wctx; | |
1323 | json_object *json_array = NULL; | |
1324 | ||
1325 | if (uj) { | |
1326 | json_array = json_object_new_array(); | |
1327 | } else { | |
1328 | vty_out(vty, "%-16s %-10s %s\n", "VTEP", "NH id", "#ES"); | |
1329 | } | |
1330 | ||
1331 | memset(&wctx, 0, sizeof(wctx)); | |
1332 | wctx.vty = vty; | |
1333 | wctx.json = json_array; | |
1334 | ||
1335 | hash_iterate(zmh_info->nh_ip_table, zebra_evpn_l2_nh_show_cb, &wctx); | |
1336 | ||
c48349e3 | 1337 | if (uj) |
962af8a8 | 1338 | vty_json(vty, json_array); |
5de10c37 AK |
1339 | } |
1340 | ||
1341 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_find(struct in_addr vtep_ip) | |
1342 | { | |
1343 | struct zebra_evpn_l2_nh *nh; | |
1344 | struct zebra_evpn_l2_nh tmp; | |
1345 | ||
1346 | tmp.vtep_ip.s_addr = vtep_ip.s_addr; | |
1347 | nh = hash_lookup(zmh_info->nh_ip_table, &tmp); | |
1348 | ||
1349 | return nh; | |
1350 | } | |
1351 | ||
1352 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_alloc(struct in_addr vtep_ip) | |
1353 | { | |
1354 | struct zebra_evpn_l2_nh *nh; | |
1355 | ||
1356 | nh = XCALLOC(MTYPE_L2_NH, sizeof(*nh)); | |
1357 | nh->vtep_ip = vtep_ip; | |
8e3aae66 | 1358 | (void)hash_get(zmh_info->nh_ip_table, nh, hash_alloc_intern); |
5de10c37 AK |
1359 | |
1360 | nh->nh_id = zebra_evpn_nhid_alloc(NULL); | |
1361 | if (!nh->nh_id) { | |
1362 | hash_release(zmh_info->nh_ip_table, nh); | |
1363 | XFREE(MTYPE_L2_NH, nh); | |
1364 | return NULL; | |
1365 | } | |
1366 | ||
1367 | /* install the NH in the dataplane */ | |
1368 | kernel_upd_mac_nh(nh->nh_id, nh->vtep_ip); | |
1369 | ||
1370 | return nh; | |
1371 | } | |
1372 | ||
1373 | static void zebra_evpn_l2_nh_free(struct zebra_evpn_l2_nh *nh) | |
1374 | { | |
1375 | /* delete the NH from the dataplane */ | |
1376 | kernel_del_mac_nh(nh->nh_id); | |
1377 | ||
1378 | zebra_evpn_nhid_free(nh->nh_id, NULL); | |
1379 | hash_release(zmh_info->nh_ip_table, nh); | |
1380 | XFREE(MTYPE_L2_NH, nh); | |
1381 | } | |
1382 | ||
1383 | static void zebra_evpn_l2_nh_es_vtep_ref(struct zebra_evpn_es_vtep *es_vtep) | |
1384 | { | |
1385 | if (es_vtep->nh) | |
ce5160c0 AK |
1386 | return; |
1387 | ||
5de10c37 AK |
1388 | es_vtep->nh = zebra_evpn_l2_nh_find(es_vtep->vtep_ip); |
1389 | if (!es_vtep->nh) | |
1390 | es_vtep->nh = zebra_evpn_l2_nh_alloc(es_vtep->vtep_ip); | |
ce5160c0 | 1391 | |
5de10c37 AK |
1392 | if (!es_vtep->nh) { |
1393 | zlog_warn("es %s vtep %pI4 nh ref failed", es_vtep->es->esi_str, | |
1394 | &es_vtep->vtep_ip); | |
ce5160c0 | 1395 | return; |
5de10c37 AK |
1396 | } |
1397 | ||
1398 | ++es_vtep->nh->ref_cnt; | |
ce5160c0 AK |
1399 | |
1400 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
5de10c37 AK |
1401 | zlog_debug("es %s vtep %pI4 nh %u ref %u", es_vtep->es->esi_str, |
1402 | &es_vtep->vtep_ip, es_vtep->nh->nh_id, | |
1403 | es_vtep->nh->ref_cnt); | |
1404 | ||
ce5160c0 AK |
1405 | /* add the NH to the parent NHG */ |
1406 | zebra_evpn_nhg_update(es_vtep->es); | |
1407 | } | |
1408 | ||
5de10c37 | 1409 | static void zebra_evpn_l2_nh_es_vtep_deref(struct zebra_evpn_es_vtep *es_vtep) |
ce5160c0 | 1410 | { |
5de10c37 | 1411 | struct zebra_evpn_l2_nh *nh = es_vtep->nh; |
ce5160c0 | 1412 | |
5de10c37 | 1413 | if (!nh) |
ce5160c0 AK |
1414 | return; |
1415 | ||
5de10c37 AK |
1416 | es_vtep->nh = NULL; |
1417 | if (nh->ref_cnt) | |
1418 | --nh->ref_cnt; | |
ce5160c0 | 1419 | |
5de10c37 AK |
1420 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) |
1421 | zlog_debug("es %s vtep %pI4 nh %u deref %u", | |
1422 | es_vtep->es->esi_str, &es_vtep->vtep_ip, nh->nh_id, | |
1423 | nh->ref_cnt); | |
ce5160c0 AK |
1424 | |
1425 | /* remove the NH from the parent NHG */ | |
1426 | zebra_evpn_nhg_update(es_vtep->es); | |
5de10c37 | 1427 | |
ce5160c0 | 1428 | /* uninstall the NH */ |
5de10c37 AK |
1429 | if (!nh->ref_cnt) |
1430 | zebra_evpn_l2_nh_free(nh); | |
ce5160c0 AK |
1431 | } |
1432 | ||
1433 | /*****************************************************************************/ | |
1434 | /* Ethernet Segment Management | |
1435 | * 1. Ethernet Segment is a collection of links attached to the same | |
1436 | * server (MHD) or switch (MHN) | |
1437 | * 2. An Ethernet Segment can span multiple PEs and is identified by the | |
1438 | * 10-byte ES-ID. | |
1439 | * 3. Zebra manages the local ESI configuration. | |
1440 | * 4. It also maintains the aliasing that maps an ESI (local or remote) | |
1441 | * to one or more PEs/VTEPs. | |
1442 | * 5. remote ESs are added by BGP (on rxing EAD Type-1 routes) | |
1443 | */ | |
1444 | /* A list of remote VTEPs is maintained for each ES. This list includes - | |
1445 | * 1. VTEPs for which we have imported the ESR i.e. ES-peers | |
1446 | * 2. VTEPs that have an "active" ES-EVI VTEP i.e. EAD-per-ES and EAD-per-EVI | |
87d76d54 | 1447 | * have been imported into one or more EVPNs |
ce5160c0 AK |
1448 | */ |
1449 | static int zebra_evpn_es_vtep_cmp(void *p1, void *p2) | |
1450 | { | |
1451 | const struct zebra_evpn_es_vtep *es_vtep1 = p1; | |
1452 | const struct zebra_evpn_es_vtep *es_vtep2 = p2; | |
1453 | ||
1454 | return es_vtep1->vtep_ip.s_addr - es_vtep2->vtep_ip.s_addr; | |
1455 | } | |
1456 | ||
1457 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_new( | |
1458 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1459 | { | |
1460 | struct zebra_evpn_es_vtep *es_vtep; | |
1461 | ||
1462 | es_vtep = XCALLOC(MTYPE_ZES_VTEP, sizeof(*es_vtep)); | |
1463 | ||
1464 | es_vtep->es = es; | |
1465 | es_vtep->vtep_ip.s_addr = vtep_ip.s_addr; | |
1466 | listnode_init(&es_vtep->es_listnode, es_vtep); | |
1467 | listnode_add_sort(es->es_vtep_list, &es_vtep->es_listnode); | |
1468 | ||
1469 | return es_vtep; | |
1470 | } | |
1471 | ||
1472 | static void zebra_evpn_es_vtep_free(struct zebra_evpn_es_vtep *es_vtep) | |
1473 | { | |
1474 | struct zebra_evpn_es *es = es_vtep->es; | |
1475 | ||
1476 | list_delete_node(es->es_vtep_list, &es_vtep->es_listnode); | |
1477 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1478 | zebra_evpn_l2_nh_es_vtep_deref(es_vtep); |
ce5160c0 AK |
1479 | XFREE(MTYPE_ZES_VTEP, es_vtep); |
1480 | } | |
1481 | ||
1482 | ||
1483 | /* check if VTEP is already part of the list */ | |
1484 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_find( | |
1485 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1486 | { | |
1487 | struct listnode *node = NULL; | |
1488 | struct zebra_evpn_es_vtep *es_vtep; | |
1489 | ||
1490 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1491 | if (es_vtep->vtep_ip.s_addr == vtep_ip.s_addr) | |
1492 | return es_vtep; | |
1493 | } | |
1494 | return NULL; | |
1495 | } | |
1496 | ||
28e80a03 AK |
1497 | /* flush all the dataplane br-port info associated with the ES */ |
1498 | static bool zebra_evpn_es_br_port_dplane_clear(struct zebra_evpn_es *es) | |
1499 | { | |
1500 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1501 | ||
1502 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1503 | return false; | |
1504 | ||
1505 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1506 | zlog_debug("es %s br-port dplane clear", es->esi_str); | |
1507 | ||
1508 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
1509 | dplane_br_port_update(es->zif->ifp, false /* non_df */, 0, sph_filters, | |
1510 | 0 /* backup_nhg_id */); | |
1511 | return true; | |
1512 | } | |
1513 | ||
1514 | static inline bool | |
1515 | zebra_evpn_es_br_port_dplane_update_needed(struct zebra_evpn_es *es) | |
1516 | { | |
1517 | return (es->flags & ZEBRA_EVPNES_NON_DF) | |
1518 | || (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1519 | || listcount(es->es_vtep_list); | |
1520 | } | |
1521 | ||
1522 | /* returns TRUE if dplane entry was updated */ | |
1523 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, | |
1524 | const char *caller) | |
1525 | { | |
1526 | uint32_t backup_nhg_id; | |
1527 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1528 | struct listnode *node = NULL; | |
1529 | struct zebra_evpn_es_vtep *es_vtep; | |
1530 | uint32_t sph_filter_cnt = 0; | |
1531 | ||
1532 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
1533 | return zebra_evpn_es_br_port_dplane_clear(es); | |
1534 | ||
1535 | /* If the ES is not a bridge port there is nothing | |
1536 | * in the dataplane | |
1537 | */ | |
1538 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1539 | return false; | |
1540 | ||
1541 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1542 | zlog_debug("es %s br-port dplane update by %s", es->esi_str, |
1543 | caller); | |
28e80a03 AK |
1544 | backup_nhg_id = (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) ? es->nhg_id : 0; |
1545 | ||
1546 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
00a7710c AK |
1547 | if (es->flags & ZEBRA_EVPNES_BYPASS) { |
1548 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1549 | zlog_debug( | |
1550 | "es %s SPH filter disabled as it is in bypass", | |
1551 | es->esi_str); | |
28e80a03 | 1552 | } else { |
00a7710c AK |
1553 | if (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT) { |
1554 | zlog_warn("es %s vtep count %d exceeds filter cnt %d", | |
1555 | es->esi_str, listcount(es->es_vtep_list), | |
1556 | ES_VTEP_MAX_CNT); | |
1557 | } else { | |
1558 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, | |
1559 | es_vtep)) { | |
1560 | if (es_vtep->flags | |
1561 | & ZEBRA_EVPNES_VTEP_DEL_IN_PROG) | |
1562 | continue; | |
1563 | sph_filters[sph_filter_cnt] = es_vtep->vtep_ip; | |
1564 | ++sph_filter_cnt; | |
1565 | } | |
28e80a03 AK |
1566 | } |
1567 | } | |
1568 | ||
1569 | dplane_br_port_update(es->zif->ifp, !!(es->flags & ZEBRA_EVPNES_NON_DF), | |
1570 | sph_filter_cnt, sph_filters, backup_nhg_id); | |
1571 | ||
1572 | return true; | |
1573 | } | |
1574 | ||
1575 | /* returns TRUE if dplane entry was updated */ | |
1576 | static bool zebra_evpn_es_df_change(struct zebra_evpn_es *es, bool new_non_df, | |
35f5c31b | 1577 | const char *caller, const char *reason) |
1103c5c6 AK |
1578 | { |
1579 | bool old_non_df; | |
1580 | ||
1581 | old_non_df = !!(es->flags & ZEBRA_EVPNES_NON_DF); | |
1582 | ||
1583 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
35f5c31b AK |
1584 | zlog_debug("df-change es %s %s to %s; %s: %s", es->esi_str, |
1585 | old_non_df ? "non-df" : "df", | |
1586 | new_non_df ? "non-df" : "df", caller, reason); | |
1103c5c6 AK |
1587 | |
1588 | if (old_non_df == new_non_df) | |
28e80a03 | 1589 | return false; |
1103c5c6 | 1590 | |
28e80a03 | 1591 | if (new_non_df) |
1103c5c6 | 1592 | es->flags |= ZEBRA_EVPNES_NON_DF; |
28e80a03 | 1593 | else |
1103c5c6 | 1594 | es->flags &= ~ZEBRA_EVPNES_NON_DF; |
28e80a03 AK |
1595 | |
1596 | /* update non-DF block filter in the dataplane */ | |
1597 | return zebra_evpn_es_br_port_dplane_update(es, __func__); | |
1103c5c6 AK |
1598 | } |
1599 | ||
28e80a03 AK |
1600 | |
1601 | /* returns TRUE if dplane entry was updated */ | |
1602 | static bool zebra_evpn_es_run_df_election(struct zebra_evpn_es *es, | |
1103c5c6 AK |
1603 | const char *caller) |
1604 | { | |
1605 | struct listnode *node = NULL; | |
1606 | struct zebra_evpn_es_vtep *es_vtep; | |
1607 | bool new_non_df = false; | |
1608 | ||
1609 | /* If the ES is not ready (i.e. not completely configured) there | |
1610 | * is no need to setup the BUM block filter | |
1611 | */ | |
1612 | if (!(es->flags & ZEBRA_EVPNES_LOCAL) | |
00a7710c | 1613 | || (es->flags & ZEBRA_EVPNES_BYPASS) |
28e80a03 | 1614 | || !zmh_info->es_originator_ip.s_addr) |
35f5c31b AK |
1615 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1616 | "not-ready"); | |
1103c5c6 AK |
1617 | |
1618 | /* if oper-state is down DF filtering must be on. when the link comes | |
1619 | * up again dataplane should block BUM till FRR has had the chance | |
1620 | * to run DF election again | |
1621 | */ | |
1622 | if (!(es->flags & ZEBRA_EVPNES_OPER_UP)) { | |
1623 | new_non_df = true; | |
35f5c31b AK |
1624 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1625 | "oper-down"); | |
1626 | } | |
1627 | ||
1628 | /* ES was just created; we need to wait for the peers to rx the | |
1629 | * our Type-4 routes and for the switch to import the peers' Type-4 | |
1630 | * routes | |
1631 | */ | |
1632 | if (es->df_delay_timer) { | |
1633 | new_non_df = true; | |
1634 | return zebra_evpn_es_df_change(es, new_non_df, caller, | |
1635 | "df-delay"); | |
1103c5c6 AK |
1636 | } |
1637 | ||
1638 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1639 | /* Only VTEPs that have advertised the ESR can participate | |
1640 | * in DF election | |
1641 | */ | |
1642 | if (!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR)) | |
1643 | continue; | |
1644 | ||
1645 | /* If the DF alg is not the same we should fall back to | |
1646 | * service-carving. But as service-carving is not supported | |
1647 | * we will stop forwarding BUM | |
1648 | */ | |
1649 | if (es_vtep->df_alg != EVPN_MH_DF_ALG_PREF) { | |
1650 | new_non_df = true; | |
1651 | break; | |
1652 | } | |
1653 | ||
1654 | /* Peer VTEP wins DF election if - | |
1655 | * the peer-VTEP has higher preference (or) | |
1656 | * the pref is the same but peer's IP address is lower | |
1657 | */ | |
1658 | if ((es_vtep->df_pref > es->df_pref) | |
1659 | || ((es_vtep->df_pref == es->df_pref) | |
1660 | && (es_vtep->vtep_ip.s_addr | |
1661 | < zmh_info->es_originator_ip.s_addr))) { | |
1662 | new_non_df = true; | |
1663 | break; | |
1664 | } | |
1665 | } | |
1666 | ||
35f5c31b | 1667 | return zebra_evpn_es_df_change(es, new_non_df, caller, "elected"); |
1103c5c6 AK |
1668 | } |
1669 | ||
ce5160c0 | 1670 | static void zebra_evpn_es_vtep_add(struct zebra_evpn_es *es, |
1103c5c6 AK |
1671 | struct in_addr vtep_ip, bool esr_rxed, |
1672 | uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
1673 | { |
1674 | struct zebra_evpn_es_vtep *es_vtep; | |
1103c5c6 | 1675 | bool old_esr_rxed; |
28e80a03 | 1676 | bool dplane_updated = false; |
ce5160c0 AK |
1677 | |
1678 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1679 | ||
1680 | if (!es_vtep) { | |
1681 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1682 | zlog_debug("es %s vtep %pI4 add", |
1683 | es->esi_str, &vtep_ip); | |
ce5160c0 AK |
1684 | es_vtep = zebra_evpn_es_vtep_new(es, vtep_ip); |
1685 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1686 | zebra_evpn_l2_nh_es_vtep_ref(es_vtep); |
ce5160c0 | 1687 | } |
1103c5c6 AK |
1688 | |
1689 | old_esr_rxed = !!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR); | |
1690 | if ((old_esr_rxed != esr_rxed) || (es_vtep->df_alg != df_alg) | |
1691 | || (es_vtep->df_pref != df_pref)) { | |
1692 | /* If any of the DF election params changed we need to re-run | |
1693 | * DF election | |
1694 | */ | |
1695 | if (esr_rxed) | |
1696 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1697 | else | |
1698 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1699 | es_vtep->df_alg = df_alg; | |
1700 | es_vtep->df_pref = df_pref; | |
28e80a03 | 1701 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); |
1103c5c6 | 1702 | } |
28e80a03 AK |
1703 | /* add the vtep to the SPH list */ |
1704 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1705 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1706 | } |
1707 | ||
1708 | static void zebra_evpn_es_vtep_del(struct zebra_evpn_es *es, | |
1709 | struct in_addr vtep_ip) | |
1710 | { | |
1711 | struct zebra_evpn_es_vtep *es_vtep; | |
28e80a03 | 1712 | bool dplane_updated = false; |
ce5160c0 AK |
1713 | |
1714 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1715 | ||
1716 | if (es_vtep) { | |
1717 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1718 | zlog_debug("es %s vtep %pI4 del", |
1719 | es->esi_str, &vtep_ip); | |
28e80a03 | 1720 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_DEL_IN_PROG; |
1103c5c6 AK |
1721 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
1722 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
28e80a03 AK |
1723 | dplane_updated = |
1724 | zebra_evpn_es_run_df_election(es, __func__); | |
1103c5c6 | 1725 | } |
28e80a03 AK |
1726 | /* remove the vtep from the SPH list */ |
1727 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1728 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1729 | zebra_evpn_es_vtep_free(es_vtep); |
1730 | } | |
1731 | } | |
1732 | ||
1733 | /* compare ES-IDs for the global ES RB tree */ | |
1734 | static int zebra_es_rb_cmp(const struct zebra_evpn_es *es1, | |
1735 | const struct zebra_evpn_es *es2) | |
1736 | { | |
1737 | return memcmp(&es1->esi, &es2->esi, ESI_BYTES); | |
1738 | } | |
1739 | RB_GENERATE(zebra_es_rb_head, zebra_evpn_es, rb_node, zebra_es_rb_cmp); | |
1740 | ||
1741 | /* Lookup ES */ | |
32367e7a | 1742 | struct zebra_evpn_es *zebra_evpn_es_find(const esi_t *esi) |
ce5160c0 AK |
1743 | { |
1744 | struct zebra_evpn_es tmp; | |
1745 | ||
1746 | memcpy(&tmp.esi, esi, sizeof(esi_t)); | |
1747 | return RB_FIND(zebra_es_rb_head, &zmh_info->es_rb_tree, &tmp); | |
1748 | } | |
1749 | ||
1750 | /* A new local es is created when a local-es-id and sysmac is configured | |
1751 | * against an interface. | |
1752 | */ | |
32367e7a | 1753 | static struct zebra_evpn_es *zebra_evpn_es_new(const esi_t *esi) |
ce5160c0 AK |
1754 | { |
1755 | struct zebra_evpn_es *es; | |
1756 | ||
325d694b AK |
1757 | if (!memcmp(esi, zero_esi, sizeof(esi_t))) |
1758 | return NULL; | |
1759 | ||
ce5160c0 AK |
1760 | es = XCALLOC(MTYPE_ZES, sizeof(struct zebra_evpn_es)); |
1761 | ||
1762 | /* fill in ESI */ | |
1763 | memcpy(&es->esi, esi, sizeof(esi_t)); | |
1764 | esi_to_str(&es->esi, es->esi_str, sizeof(es->esi_str)); | |
1765 | ||
1766 | /* Add to rb_tree */ | |
2a778afe | 1767 | RB_INSERT(zebra_es_rb_head, &zmh_info->es_rb_tree, es); |
ce5160c0 AK |
1768 | |
1769 | /* Initialise the ES-EVI list */ | |
1770 | es->es_evi_list = list_new(); | |
1771 | listset_app_node_mem(es->es_evi_list); | |
1772 | ||
1773 | /* Initialise the VTEP list */ | |
1774 | es->es_vtep_list = list_new(); | |
1775 | listset_app_node_mem(es->es_vtep_list); | |
1776 | es->es_vtep_list->cmp = zebra_evpn_es_vtep_cmp; | |
1777 | ||
b169fd6f AK |
1778 | /* mac entries associated with the ES */ |
1779 | es->mac_list = list_new(); | |
1780 | listset_app_node_mem(es->mac_list); | |
1781 | ||
ce5160c0 | 1782 | /* reserve a NHG */ |
15400f95 | 1783 | es->nhg_id = zebra_evpn_nhid_alloc(es); |
ce5160c0 AK |
1784 | |
1785 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 | 1786 | zlog_debug("es %s nhg %u new", es->esi_str, es->nhg_id); |
ce5160c0 AK |
1787 | |
1788 | return es; | |
1789 | } | |
1790 | ||
1791 | /* Free a given ES - | |
1792 | * This just frees appropriate memory, caller should have taken other | |
1793 | * needed actions. | |
1794 | */ | |
e378f502 | 1795 | static void zebra_evpn_es_free(struct zebra_evpn_es **esp) |
ce5160c0 | 1796 | { |
e378f502 AK |
1797 | struct zebra_evpn_es *es = *esp; |
1798 | ||
ce5160c0 AK |
1799 | /* If the ES has a local or remote reference it cannot be freed. |
1800 | * Free is also prevented if there are MAC entries referencing | |
1801 | * it. | |
1802 | */ | |
1803 | if ((es->flags & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE)) || | |
b169fd6f | 1804 | listcount(es->mac_list)) |
e378f502 | 1805 | return; |
ce5160c0 AK |
1806 | |
1807 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1808 | zlog_debug("es %s free", es->esi_str); | |
1809 | ||
1810 | /* If the NHG is still installed uninstall it and free the id */ | |
1811 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1812 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; | |
1813 | kernel_del_mac_nhg(es->nhg_id); | |
1814 | } | |
15400f95 | 1815 | zebra_evpn_nhid_free(es->nhg_id, es); |
ce5160c0 AK |
1816 | |
1817 | /* cleanup resources maintained against the ES */ | |
1818 | list_delete(&es->es_evi_list); | |
1819 | list_delete(&es->es_vtep_list); | |
b169fd6f | 1820 | list_delete(&es->mac_list); |
ce5160c0 AK |
1821 | |
1822 | /* remove from the VNI-ESI rb tree */ | |
1823 | RB_REMOVE(zebra_es_rb_head, &zmh_info->es_rb_tree, es); | |
1824 | ||
1825 | XFREE(MTYPE_ZES, es); | |
b169fd6f | 1826 | |
e378f502 | 1827 | *esp = NULL; |
ce5160c0 AK |
1828 | } |
1829 | ||
1830 | /* Inform BGP about local ES addition */ | |
1831 | static int zebra_evpn_es_send_add_to_client(struct zebra_evpn_es *es) | |
1832 | { | |
1833 | struct zserv *client; | |
1834 | struct stream *s; | |
1835 | uint8_t oper_up; | |
00a7710c | 1836 | bool bypass; |
ce5160c0 AK |
1837 | |
1838 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1839 | /* BGP may not be running. */ | |
1840 | if (!client) | |
1841 | return 0; | |
1842 | ||
1843 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1844 | ||
1845 | zclient_create_header(s, ZEBRA_LOCAL_ES_ADD, zebra_vrf_get_evpn_id()); | |
1846 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1847 | stream_put_ipv4(s, zmh_info->es_originator_ip.s_addr); | |
1848 | oper_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
1849 | stream_putc(s, oper_up); | |
1103c5c6 | 1850 | stream_putw(s, es->df_pref); |
00a7710c AK |
1851 | bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); |
1852 | stream_putc(s, bypass); | |
ce5160c0 AK |
1853 | |
1854 | /* Write packet size. */ | |
1855 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1856 | ||
1857 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1858 | zlog_debug( |
1859 | "send add local es %s %pI4 active %u df_pref %u%s to %s", | |
1860 | es->esi_str, &zmh_info->es_originator_ip, oper_up, | |
1861 | es->df_pref, bypass ? " bypass" : "", | |
1862 | zebra_route_string(client->proto)); | |
ce5160c0 AK |
1863 | |
1864 | client->local_es_add_cnt++; | |
1865 | return zserv_send_message(client, s); | |
1866 | } | |
1867 | ||
1868 | /* Inform BGP about local ES deletion */ | |
1869 | static int zebra_evpn_es_send_del_to_client(struct zebra_evpn_es *es) | |
1870 | { | |
1871 | struct zserv *client; | |
1872 | struct stream *s; | |
1873 | ||
1874 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1875 | /* BGP may not be running. */ | |
1876 | if (!client) | |
1877 | return 0; | |
1878 | ||
1879 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1880 | stream_reset(s); | |
1881 | ||
1882 | zclient_create_header(s, ZEBRA_LOCAL_ES_DEL, zebra_vrf_get_evpn_id()); | |
1883 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1884 | ||
1885 | /* Write packet size. */ | |
1886 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1887 | ||
1888 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1889 | zlog_debug("send del local es %s to %s", es->esi_str, | |
1890 | zebra_route_string(client->proto)); | |
1891 | ||
1892 | client->local_es_del_cnt++; | |
1893 | return zserv_send_message(client, s); | |
1894 | } | |
1895 | ||
ce5160c0 AK |
1896 | static void zebra_evpn_es_re_eval_send_to_client(struct zebra_evpn_es *es, |
1897 | bool es_evi_re_reval) | |
1898 | { | |
1899 | bool old_ready; | |
1900 | bool new_ready; | |
1901 | struct listnode *node; | |
1902 | struct zebra_evpn_es_evi *es_evi; | |
1903 | ||
1904 | old_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
1905 | ||
1906 | if ((es->flags & ZEBRA_EVPNES_LOCAL) && | |
1907 | zmh_info->es_originator_ip.s_addr) | |
1908 | es->flags |= ZEBRA_EVPNES_READY_FOR_BGP; | |
1909 | else | |
1910 | es->flags &= ~ZEBRA_EVPNES_READY_FOR_BGP; | |
1911 | ||
1912 | new_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
1913 | if (old_ready == new_ready) | |
1914 | return; | |
1915 | ||
1916 | if (new_ready) | |
1917 | zebra_evpn_es_send_add_to_client(es); | |
1918 | else | |
1919 | zebra_evpn_es_send_del_to_client(es); | |
1920 | ||
1921 | /* re-eval associated EVIs */ | |
1922 | if (es_evi_re_reval) { | |
1923 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, node, es_evi)) { | |
1924 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
1925 | continue; | |
1926 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
1927 | } | |
1928 | } | |
1929 | } | |
1930 | ||
1931 | void zebra_evpn_es_send_all_to_client(bool add) | |
1932 | { | |
1933 | struct listnode *es_node; | |
1934 | struct listnode *evi_node; | |
1935 | struct zebra_evpn_es *es; | |
1936 | struct zebra_evpn_es_evi *es_evi; | |
1937 | ||
1938 | if (!zmh_info) | |
1939 | return; | |
1940 | ||
1941 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, es_node, es)) { | |
1942 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) { | |
1943 | if (add) | |
1944 | zebra_evpn_es_send_add_to_client(es); | |
1945 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, | |
1946 | evi_node, es_evi)) { | |
1947 | if (!(es_evi->flags & | |
1948 | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) | |
1949 | continue; | |
1950 | ||
1951 | if (add) | |
1952 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 1953 | es, es_evi->zevpn, |
ce5160c0 AK |
1954 | true /* add */); |
1955 | else | |
1956 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 1957 | es, es_evi->zevpn, |
ce5160c0 AK |
1958 | false /* add */); |
1959 | } | |
1960 | if (!add) | |
1961 | zebra_evpn_es_send_del_to_client(es); | |
1962 | } | |
1963 | } | |
1964 | } | |
1965 | ||
1966 | /* walk the vlan bitmap associated with the zif and create or delete | |
1967 | * es_evis for all vlans associated with a VNI. | |
1968 | * XXX: This API is really expensive. optimize later if possible. | |
1969 | */ | |
1970 | static void zebra_evpn_es_setup_evis(struct zebra_evpn_es *es) | |
1971 | { | |
1972 | struct zebra_if *zif = es->zif; | |
1973 | uint16_t vid; | |
1974 | struct zebra_evpn_access_bd *acc_bd; | |
1975 | ||
0b05c9bb AK |
1976 | if (!bf_is_inited(zif->vlan_bitmap)) |
1977 | return; | |
ce5160c0 AK |
1978 | |
1979 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) { | |
1980 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
87d76d54 PR |
1981 | if (acc_bd->zevpn) |
1982 | zebra_evpn_local_es_evi_add(es, acc_bd->zevpn); | |
ce5160c0 AK |
1983 | } |
1984 | } | |
1985 | ||
3198b2b3 DS |
1986 | static void zebra_evpn_flush_local_mac(struct zebra_mac *mac, |
1987 | struct interface *ifp) | |
00a7710c AK |
1988 | { |
1989 | struct zebra_if *zif; | |
1990 | struct interface *br_ifp; | |
1991 | vlanid_t vid; | |
1992 | ||
1993 | zif = ifp->info; | |
1994 | br_ifp = zif->brslave_info.br_if; | |
1995 | if (!br_ifp) | |
1996 | return; | |
1997 | ||
1998 | if (mac->zevpn->vxlan_if) { | |
1999 | zif = mac->zevpn->vxlan_if->info; | |
2000 | vid = zif->l2info.vxl.access_vlan; | |
2001 | } else { | |
2002 | vid = 0; | |
2003 | } | |
2004 | ||
2005 | /* delete the local mac from the dataplane */ | |
2006 | dplane_local_mac_del(ifp, br_ifp, vid, &mac->macaddr); | |
2007 | /* delete the local mac in zebra */ | |
2008 | zebra_evpn_del_local_mac(mac->zevpn, mac, true); | |
2009 | } | |
2010 | ||
2011 | static void zebra_evpn_es_flush_local_macs(struct zebra_evpn_es *es, | |
2012 | struct interface *ifp, bool add) | |
b169fd6f | 2013 | { |
3198b2b3 | 2014 | struct zebra_mac *mac; |
b169fd6f | 2015 | struct listnode *node; |
00a7710c | 2016 | struct listnode *nnode; |
b169fd6f | 2017 | |
00a7710c AK |
2018 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { |
2019 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2020 | continue; | |
2021 | ||
2022 | /* If ES is being attached/detached from the access port we | |
2023 | * need to clear local activity and peer activity and start | |
2024 | * over */ | |
2025 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2026 | zlog_debug("VNI %u mac %pEA update; local ES %s %s", | |
2027 | mac->zevpn->vni, | |
2028 | &mac->macaddr, | |
2029 | es->esi_str, add ? "add" : "del"); | |
2030 | zebra_evpn_flush_local_mac(mac, ifp); | |
b169fd6f AK |
2031 | } |
2032 | } | |
2033 | ||
72f2674a AK |
2034 | void zebra_evpn_es_local_br_port_update(struct zebra_if *zif) |
2035 | { | |
2036 | struct zebra_evpn_es *es = zif->es_info.es; | |
2037 | bool old_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2038 | bool new_br_port; | |
2039 | ||
2040 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) | |
2041 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2042 | else | |
2043 | es->flags &= ~ZEBRA_EVPNES_BR_PORT; | |
2044 | ||
2045 | new_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2046 | if (old_br_port == new_br_port) | |
2047 | return; | |
2048 | ||
2049 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2050 | zlog_debug("es %s br_port change old %u new %u", es->esi_str, | |
2051 | old_br_port, new_br_port); | |
2052 | ||
2053 | /* update the dataplane br_port attrs */ | |
2054 | if (new_br_port && zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2055 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2056 | } | |
2057 | ||
b2ee2b71 AK |
2058 | /* On config of first local-ES turn off DAD */ |
2059 | static void zebra_evpn_mh_dup_addr_detect_off(void) | |
2060 | { | |
2061 | struct zebra_vrf *zvrf; | |
2062 | bool old_detect; | |
2063 | bool new_detect; | |
2064 | ||
2065 | if (zmh_info->flags & ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF) | |
2066 | return; | |
2067 | ||
2068 | zvrf = zebra_vrf_get_evpn(); | |
b2ee2b71 AK |
2069 | old_detect = zebra_evpn_do_dup_addr_detect(zvrf); |
2070 | zmh_info->flags |= ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF; | |
2071 | new_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
2072 | ||
2073 | if (old_detect && !new_detect) { | |
2074 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2075 | zlog_debug( | |
2076 | "evpn-mh config caused DAD addr detect chg from %s to %s", | |
2077 | old_detect ? "on" : "off", | |
2078 | new_detect ? "on" : "off"); | |
2079 | zebra_vxlan_clear_dup_detect_vni_all(zvrf); | |
2080 | } | |
2081 | } | |
2082 | ||
c7bfd085 AK |
2083 | /* On config of first local-ES turn off advertisement of STALE/DELAY/PROBE |
2084 | * neighbors | |
2085 | */ | |
2086 | static void zebra_evpn_mh_advertise_reach_neigh_only(void) | |
2087 | { | |
2088 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY) | |
2089 | return; | |
2090 | ||
2091 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY; | |
2092 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2093 | zlog_debug("evpn-mh: only REACHABLE neigh advertised"); | |
2094 | ||
2095 | /* XXX - if STALE/DELAY/PROBE neighs were previously advertised we | |
2096 | * need to withdraw them | |
2097 | */ | |
2098 | } | |
2099 | ||
243b74ed AK |
2100 | /* On config of first local-ES turn on advertisement of local SVI-MAC */ |
2101 | static void zebra_evpn_mh_advertise_svi_mac(void) | |
2102 | { | |
2103 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_SVI_MAC) | |
2104 | return; | |
2105 | ||
2106 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_SVI_MAC; | |
2107 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2108 | zlog_debug("evpn-mh: advertise SVI MAC"); | |
2109 | ||
2110 | /* walk through all SVIs and see if we need to advertise the MAC */ | |
2111 | zebra_evpn_acc_vl_adv_svi_mac_all(); | |
2112 | } | |
2113 | ||
cc9f21da | 2114 | static void zebra_evpn_es_df_delay_exp_cb(struct thread *t) |
35f5c31b AK |
2115 | { |
2116 | struct zebra_evpn_es *es; | |
2117 | ||
2118 | es = THREAD_ARG(t); | |
2119 | ||
2120 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2121 | zlog_debug("es %s df-delay expired", es->esi_str); | |
2122 | ||
2123 | zebra_evpn_es_run_df_election(es, __func__); | |
35f5c31b AK |
2124 | } |
2125 | ||
243b74ed AK |
2126 | /* currently there is no global config to turn on MH instead we use |
2127 | * the addition of the first local Ethernet Segment as the trigger to | |
2128 | * init MH specific processing | |
2129 | */ | |
2130 | static void zebra_evpn_mh_on_first_local_es(void) | |
2131 | { | |
2132 | zebra_evpn_mh_dup_addr_detect_off(); | |
2133 | zebra_evpn_mh_advertise_reach_neigh_only(); | |
2134 | zebra_evpn_mh_advertise_svi_mac(); | |
2135 | } | |
2136 | ||
ce5160c0 AK |
2137 | static void zebra_evpn_es_local_info_set(struct zebra_evpn_es *es, |
2138 | struct zebra_if *zif) | |
2139 | { | |
2140 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
2141 | return; | |
2142 | ||
2143 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2144 | zlog_debug("local es %s add; nhg %u if %s", es->esi_str, |
2145 | es->nhg_id, zif->ifp->name); | |
ce5160c0 | 2146 | |
243b74ed | 2147 | zebra_evpn_mh_on_first_local_es(); |
b2ee2b71 | 2148 | |
ce5160c0 AK |
2149 | es->flags |= ZEBRA_EVPNES_LOCAL; |
2150 | listnode_init(&es->local_es_listnode, es); | |
2151 | listnode_add(zmh_info->local_es_list, &es->local_es_listnode); | |
2152 | ||
2153 | /* attach es to interface */ | |
2154 | zif->es_info.es = es; | |
1103c5c6 AK |
2155 | es->df_pref = zif->es_info.df_pref ? zif->es_info.df_pref |
2156 | : EVPN_MH_DF_PREF_DEFAULT; | |
ce5160c0 AK |
2157 | |
2158 | /* attach interface to es */ | |
2159 | es->zif = zif; | |
2160 | if (if_is_operative(zif->ifp)) | |
2161 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2162 | ||
72f2674a AK |
2163 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) |
2164 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2165 | ||
00a7710c AK |
2166 | /* inherit the bypass flag from the interface */ |
2167 | if (zif->flags & ZIF_FLAG_LACP_BYPASS) | |
2168 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2169 | ||
ce5160c0 AK |
2170 | /* setup base-vni if one doesn't already exist; the ES will get sent |
2171 | * to BGP as a part of that process | |
2172 | */ | |
87d76d54 PR |
2173 | if (!zmh_info->es_base_evpn) |
2174 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 AK |
2175 | else |
2176 | /* send notification to bgp */ | |
2177 | zebra_evpn_es_re_eval_send_to_client(es, | |
2178 | false /* es_evi_re_reval */); | |
2179 | ||
35f5c31b AK |
2180 | /* Start the DF delay timer on the local ES */ |
2181 | if (!es->df_delay_timer) | |
2182 | thread_add_timer(zrouter.master, zebra_evpn_es_df_delay_exp_cb, | |
2183 | es, ZEBRA_EVPN_MH_DF_DELAY_TIME, | |
2184 | &es->df_delay_timer); | |
2185 | ||
1103c5c6 | 2186 | /* See if the local VTEP can function as DF on the ES */ |
28e80a03 AK |
2187 | if (!zebra_evpn_es_run_df_election(es, __func__)) { |
2188 | /* check if the dplane entry needs to be re-programmed as a | |
2189 | * result of some thing other than DF status change | |
2190 | */ | |
2191 | if (zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2192 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2193 | } | |
2194 | ||
1103c5c6 | 2195 | |
ce5160c0 AK |
2196 | /* Setup ES-EVIs for all VxLAN stretched VLANs associated with |
2197 | * the zif | |
2198 | */ | |
2199 | zebra_evpn_es_setup_evis(es); | |
b169fd6f | 2200 | /* if there any local macs referring to the ES as dest we |
00a7710c | 2201 | * need to clear the contents and start over |
b169fd6f | 2202 | */ |
00a7710c | 2203 | zebra_evpn_es_flush_local_macs(es, zif->ifp, true); |
c36e442c AK |
2204 | |
2205 | /* inherit EVPN protodown flags on the access port */ | |
2bcf92e1 | 2206 | zebra_evpn_mh_update_protodown_es(es, true /*resync_dplane*/); |
ce5160c0 AK |
2207 | } |
2208 | ||
e378f502 | 2209 | static void zebra_evpn_es_local_info_clear(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2210 | { |
2211 | struct zebra_if *zif; | |
e378f502 | 2212 | struct zebra_evpn_es *es = *esp; |
28e80a03 | 2213 | bool dplane_updated = false; |
ce5160c0 AK |
2214 | |
2215 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
2216 | return; | |
2217 | ||
00a7710c AK |
2218 | zif = es->zif; |
2219 | ||
2220 | /* if there any local macs referring to the ES as dest we | |
2221 | * need to clear the contents and start over | |
2222 | */ | |
2223 | zebra_evpn_es_flush_local_macs(es, zif->ifp, false); | |
2224 | ||
4cd94050 AK |
2225 | es->flags &= ~(ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_READY_FOR_BGP); |
2226 | ||
35f5c31b AK |
2227 | THREAD_OFF(es->df_delay_timer); |
2228 | ||
c36e442c AK |
2229 | /* clear EVPN protodown flags on the access port */ |
2230 | zebra_evpn_mh_clear_protodown_es(es); | |
2231 | ||
00a7710c AK |
2232 | /* remove the DF filter */ |
2233 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
b169fd6f | 2234 | |
28e80a03 AK |
2235 | /* flush the BUM filters and backup NHG */ |
2236 | if (!dplane_updated) | |
2237 | zebra_evpn_es_br_port_dplane_clear(es); | |
2238 | ||
ce5160c0 | 2239 | /* clear the es from the parent interface */ |
ce5160c0 AK |
2240 | zif->es_info.es = NULL; |
2241 | es->zif = NULL; | |
2242 | ||
72f2674a | 2243 | /* clear all local flags associated with the ES */ |
00a7710c AK |
2244 | es->flags &= ~(ZEBRA_EVPNES_OPER_UP | ZEBRA_EVPNES_BR_PORT |
2245 | | ZEBRA_EVPNES_BYPASS); | |
72f2674a | 2246 | |
ce5160c0 AK |
2247 | /* remove from the ES list */ |
2248 | list_delete_node(zmh_info->local_es_list, &es->local_es_listnode); | |
2249 | ||
2250 | /* free up the ES if there is no remote reference */ | |
e378f502 | 2251 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2252 | } |
2253 | ||
2254 | /* Delete an ethernet segment and inform BGP */ | |
e378f502 | 2255 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2256 | { |
2257 | struct zebra_evpn_es_evi *es_evi; | |
2258 | struct listnode *node = NULL; | |
2259 | struct listnode *nnode = NULL; | |
2260 | struct zebra_if *zif; | |
e378f502 | 2261 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2262 | |
2263 | if (!CHECK_FLAG(es->flags, ZEBRA_EVPNES_LOCAL)) | |
2264 | return; | |
2265 | ||
2266 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) { | |
2267 | zif = es->zif; | |
dfa3d3d7 AK |
2268 | zlog_debug("local es %s del; nhg %u if %s", es->esi_str, |
2269 | es->nhg_id, zif ? zif->ifp->name : "-"); | |
ce5160c0 AK |
2270 | } |
2271 | ||
2272 | /* remove all ES-EVIs associated with the ES */ | |
2273 | for (ALL_LIST_ELEMENTS(es->es_evi_list, node, nnode, es_evi)) | |
2274 | zebra_evpn_local_es_evi_do_del(es_evi); | |
2275 | ||
2276 | /* send a del if the ES had been sent to BGP earlier */ | |
2277 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2278 | zebra_evpn_es_send_del_to_client(es); | |
2279 | ||
e378f502 | 2280 | zebra_evpn_es_local_info_clear(esp); |
ce5160c0 AK |
2281 | } |
2282 | ||
2283 | /* eval remote info associated with the ES */ | |
e378f502 | 2284 | static void zebra_evpn_es_remote_info_re_eval(struct zebra_evpn_es **esp) |
ce5160c0 | 2285 | { |
e378f502 AK |
2286 | struct zebra_evpn_es *es = *esp; |
2287 | ||
ce5160c0 AK |
2288 | /* if there are remote VTEPs the ES-EVI is classified as "remote" */ |
2289 | if (listcount(es->es_vtep_list)) { | |
2290 | if (!(es->flags & ZEBRA_EVPNES_REMOTE)) { | |
2291 | es->flags |= ZEBRA_EVPNES_REMOTE; | |
2292 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2293 | zlog_debug("remote es %s add; nhg %u", |
2294 | es->esi_str, es->nhg_id); | |
ce5160c0 AK |
2295 | } |
2296 | } else { | |
2297 | if (es->flags & ZEBRA_EVPNES_REMOTE) { | |
2298 | es->flags &= ~ZEBRA_EVPNES_REMOTE; | |
2299 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2300 | zlog_debug("remote es %s del; nhg %u", |
2301 | es->esi_str, es->nhg_id); | |
e378f502 | 2302 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2303 | } |
2304 | } | |
2305 | } | |
2306 | ||
2307 | /* A new local es is created when a local-es-id and sysmac is configured | |
2308 | * against an interface. | |
2309 | */ | |
325d694b | 2310 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi) |
ce5160c0 AK |
2311 | { |
2312 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
2313 | struct zebra_evpn_es *es; | |
325d694b | 2314 | |
325d694b AK |
2315 | if (old_es && !memcmp(&old_es->esi, esi, sizeof(*esi))) |
2316 | /* dup - nothing to be done */ | |
2317 | return 0; | |
2318 | ||
2319 | /* release the old_es against the zif */ | |
2320 | if (old_es) | |
2321 | zebra_evpn_local_es_del(&old_es); | |
2322 | ||
2323 | es = zebra_evpn_es_find(esi); | |
2324 | if (es) { | |
2325 | /* if it exists against another interface flag an error */ | |
0dfc0dd9 | 2326 | if (es->zif && es->zif != zif) |
325d694b | 2327 | return -1; |
325d694b AK |
2328 | } else { |
2329 | /* create new es */ | |
2330 | es = zebra_evpn_es_new(esi); | |
2331 | } | |
2332 | ||
0dfc0dd9 | 2333 | memcpy(&zif->es_info.esi, esi, sizeof(*esi)); |
325d694b AK |
2334 | if (es) |
2335 | zebra_evpn_es_local_info_set(es, zif); | |
2336 | ||
2337 | return 0; | |
2338 | } | |
2339 | ||
2340 | static int zebra_evpn_type3_esi_update(struct zebra_if *zif, uint32_t lid, | |
2341 | struct ethaddr *sysmac) | |
2342 | { | |
2343 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
ce5160c0 AK |
2344 | esi_t esi; |
2345 | int offset = 0; | |
2346 | int field_bytes = 0; | |
2347 | ||
2348 | /* Complete config of the ES-ID bootstraps the ES */ | |
2349 | if (!lid || is_zero_mac(sysmac)) { | |
325d694b AK |
2350 | /* clear old esi */ |
2351 | memset(&zif->es_info.esi, 0, sizeof(zif->es_info.esi)); | |
ce5160c0 AK |
2352 | /* if in ES is attached to zif delete it */ |
2353 | if (old_es) | |
ab06b033 | 2354 | zebra_evpn_local_es_del(&old_es); |
ce5160c0 AK |
2355 | return 0; |
2356 | } | |
2357 | ||
2358 | /* build 10-byte type-3-ESI - | |
2359 | * Type(1-byte), MAC(6-bytes), ES-LID (3-bytes) | |
2360 | */ | |
2361 | field_bytes = 1; | |
2362 | esi.val[offset] = ESI_TYPE_MAC; | |
2363 | offset += field_bytes; | |
2364 | ||
2365 | field_bytes = ETH_ALEN; | |
2366 | memcpy(&esi.val[offset], (uint8_t *)sysmac, field_bytes); | |
2367 | offset += field_bytes; | |
2368 | ||
2369 | esi.val[offset++] = (uint8_t)(lid >> 16); | |
2370 | esi.val[offset++] = (uint8_t)(lid >> 8); | |
2371 | esi.val[offset++] = (uint8_t)lid; | |
2372 | ||
325d694b | 2373 | return zebra_evpn_local_es_update(zif, &esi); |
ce5160c0 AK |
2374 | } |
2375 | ||
32367e7a | 2376 | int zebra_evpn_remote_es_del(const esi_t *esi, struct in_addr vtep_ip) |
ce5160c0 AK |
2377 | { |
2378 | char buf[ESI_STR_LEN]; | |
2379 | struct zebra_evpn_es *es; | |
2380 | ||
2381 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
2382 | zlog_debug("remote es %s vtep %pI4 del", |
2383 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2384 | |
2385 | es = zebra_evpn_es_find(esi); | |
2386 | if (!es) { | |
4d8b658c | 2387 | zlog_warn("remote es %s vtep %pI4 del failed, es missing", |
e378f502 | 2388 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); |
ce5160c0 AK |
2389 | return -1; |
2390 | } | |
2391 | ||
2392 | zebra_evpn_es_vtep_del(es, vtep_ip); | |
e378f502 | 2393 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2394 | |
2395 | return 0; | |
2396 | } | |
2397 | ||
2398 | /* force delete a remote ES on the way down */ | |
e378f502 | 2399 | static void zebra_evpn_remote_es_flush(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2400 | { |
2401 | struct zebra_evpn_es_vtep *es_vtep; | |
2402 | struct listnode *node; | |
2403 | struct listnode *nnode; | |
e378f502 | 2404 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2405 | |
2406 | for (ALL_LIST_ELEMENTS(es->es_vtep_list, node, nnode, es_vtep)) { | |
2407 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 | 2408 | zlog_debug("es %s vtep %pI4 flush", |
ce5160c0 | 2409 | es->esi_str, |
9bcef951 | 2410 | &es_vtep->vtep_ip); |
ce5160c0 | 2411 | zebra_evpn_es_vtep_free(es_vtep); |
ce5160c0 | 2412 | } |
e378f502 | 2413 | zebra_evpn_es_remote_info_re_eval(esp); |
ce5160c0 AK |
2414 | } |
2415 | ||
32367e7a MS |
2416 | int zebra_evpn_remote_es_add(const esi_t *esi, struct in_addr vtep_ip, |
2417 | bool esr_rxed, uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
2418 | { |
2419 | char buf[ESI_STR_LEN]; | |
2420 | struct zebra_evpn_es *es; | |
2421 | ||
2422 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1103c5c6 AK |
2423 | zlog_debug("remote es %s vtep %pI4 add %s df_alg %d df_pref %d", |
2424 | esi_to_str(esi, buf, sizeof(buf)), | |
2425 | &vtep_ip, esr_rxed ? "esr" : "", df_alg, | |
2426 | df_pref); | |
ce5160c0 AK |
2427 | |
2428 | es = zebra_evpn_es_find(esi); | |
2429 | if (!es) { | |
2430 | es = zebra_evpn_es_new(esi); | |
2431 | if (!es) { | |
e378f502 AK |
2432 | zlog_warn( |
2433 | "remote es %s vtep %pI4 add failed, es missing", | |
2434 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2435 | return -1; |
2436 | } | |
2437 | } | |
2438 | ||
28e80a03 | 2439 | if (df_alg != EVPN_MH_DF_ALG_PREF) |
2747f6f7 AK |
2440 | zlog_warn( |
2441 | "remote es %s vtep %pI4 add %s with unsupported df_alg %d", | |
2442 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip, | |
2443 | esr_rxed ? "esr" : "", df_alg); | |
28e80a03 | 2444 | |
1103c5c6 | 2445 | zebra_evpn_es_vtep_add(es, vtep_ip, esr_rxed, df_alg, df_pref); |
e378f502 | 2446 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2447 | |
2448 | return 0; | |
2449 | } | |
2450 | ||
2451 | void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS) | |
2452 | { | |
2453 | struct stream *s; | |
2454 | struct in_addr vtep_ip; | |
2455 | esi_t esi; | |
2456 | ||
2457 | if (!is_evpn_enabled()) { | |
2458 | zlog_debug( | |
7d7be47e DS |
2459 | "%s: EVPN not enabled yet we received a es_add zapi call", |
2460 | __func__); | |
ce5160c0 AK |
2461 | return; |
2462 | } | |
2463 | ||
2464 | memset(&esi, 0, sizeof(esi_t)); | |
2465 | s = msg; | |
2466 | ||
693fc882 QY |
2467 | STREAM_GET(&esi, s, sizeof(esi_t)); |
2468 | STREAM_GET(&vtep_ip.s_addr, s, sizeof(vtep_ip.s_addr)); | |
ce5160c0 | 2469 | |
1103c5c6 AK |
2470 | if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) { |
2471 | uint32_t zapi_flags; | |
2472 | uint8_t df_alg; | |
2473 | uint16_t df_pref; | |
2474 | bool esr_rxed; | |
2475 | ||
693fc882 | 2476 | STREAM_GETL(s, zapi_flags); |
1103c5c6 AK |
2477 | esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true |
2478 | : false; | |
693fc882 QY |
2479 | STREAM_GETC(s, df_alg); |
2480 | STREAM_GETW(s, df_pref); | |
7f7e49d1 MS |
2481 | zebra_rib_queue_evpn_rem_es_add(&esi, &vtep_ip, esr_rxed, |
2482 | df_alg, df_pref); | |
1103c5c6 | 2483 | } else { |
32367e7a | 2484 | zebra_rib_queue_evpn_rem_es_del(&esi, &vtep_ip); |
1103c5c6 | 2485 | } |
693fc882 QY |
2486 | |
2487 | stream_failure: | |
2488 | return; | |
ce5160c0 AK |
2489 | } |
2490 | ||
3198b2b3 | 2491 | void zebra_evpn_es_mac_deref_entry(struct zebra_mac *mac) |
ce5160c0 AK |
2492 | { |
2493 | struct zebra_evpn_es *es = mac->es; | |
2494 | ||
2495 | mac->es = NULL; | |
b169fd6f | 2496 | if (!es) |
ce5160c0 AK |
2497 | return; |
2498 | ||
b169fd6f AK |
2499 | list_delete_node(es->mac_list, &mac->es_listnode); |
2500 | if (!listcount(es->mac_list)) | |
e378f502 | 2501 | zebra_evpn_es_free(&es); |
ce5160c0 AK |
2502 | } |
2503 | ||
2504 | /* Associate a MAC entry with a local or remote ES. Returns false if there | |
2505 | * was no ES change. | |
2506 | */ | |
3198b2b3 DS |
2507 | bool zebra_evpn_es_mac_ref_entry(struct zebra_mac *mac, |
2508 | struct zebra_evpn_es *es) | |
ce5160c0 AK |
2509 | { |
2510 | if (mac->es == es) | |
2511 | return false; | |
2512 | ||
2513 | if (mac->es) | |
2514 | zebra_evpn_es_mac_deref_entry(mac); | |
2515 | ||
2516 | if (!es) | |
2517 | return true; | |
2518 | ||
2519 | mac->es = es; | |
b169fd6f AK |
2520 | listnode_init(&mac->es_listnode, mac); |
2521 | listnode_add(es->mac_list, &mac->es_listnode); | |
2522 | ||
ce5160c0 AK |
2523 | return true; |
2524 | } | |
2525 | ||
3198b2b3 | 2526 | bool zebra_evpn_es_mac_ref(struct zebra_mac *mac, const esi_t *esi) |
ce5160c0 AK |
2527 | { |
2528 | struct zebra_evpn_es *es; | |
2529 | ||
2530 | es = zebra_evpn_es_find(esi); | |
2531 | if (!es) { | |
4cd94050 AK |
2532 | /* If non-zero esi implicitly create a new ES */ |
2533 | if (memcmp(esi, zero_esi, sizeof(esi_t))) { | |
2534 | es = zebra_evpn_es_new(esi); | |
2535 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2536 | zlog_debug("auto es %s add on mac ref", | |
2537 | es->esi_str); | |
2538 | } | |
ce5160c0 AK |
2539 | } |
2540 | ||
b169fd6f | 2541 | return zebra_evpn_es_mac_ref_entry(mac, es); |
ce5160c0 AK |
2542 | } |
2543 | ||
2544 | /* Inform BGP about local ES-EVI add or del */ | |
2545 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, | |
f6371c34 | 2546 | struct zebra_evpn *zevpn, bool add) |
ce5160c0 AK |
2547 | { |
2548 | struct zserv *client; | |
2549 | struct stream *s; | |
2550 | ||
2551 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
2552 | /* BGP may not be running. */ | |
2553 | if (!client) | |
2554 | return 0; | |
2555 | ||
2556 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2557 | ||
2558 | zclient_create_header(s, | |
2559 | add ? ZEBRA_LOCAL_ES_EVI_ADD : ZEBRA_LOCAL_ES_EVI_DEL, | |
2560 | zebra_vrf_get_evpn_id()); | |
2561 | stream_put(s, &es->esi, sizeof(esi_t)); | |
87d76d54 | 2562 | stream_putl(s, zevpn->vni); |
ce5160c0 AK |
2563 | |
2564 | /* Write packet size. */ | |
2565 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2566 | ||
2567 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2568 | zlog_debug("send %s local es %s evi %u to %s", | |
2569 | add ? "add" : "del", | |
87d76d54 | 2570 | es->esi_str, zevpn->vni, |
ce5160c0 AK |
2571 | zebra_route_string(client->proto)); |
2572 | ||
2573 | client->local_es_add_cnt++; | |
2574 | return zserv_send_message(client, s); | |
2575 | } | |
2576 | ||
2577 | /* sysmac part of a local ESI has changed */ | |
2578 | static int zebra_evpn_es_sys_mac_update(struct zebra_if *zif, | |
2579 | struct ethaddr *sysmac) | |
2580 | { | |
2581 | int rv; | |
2582 | ||
325d694b | 2583 | rv = zebra_evpn_type3_esi_update(zif, zif->es_info.lid, sysmac); |
ce5160c0 AK |
2584 | if (!rv) |
2585 | memcpy(&zif->es_info.sysmac, sysmac, sizeof(struct ethaddr)); | |
2586 | ||
2587 | return rv; | |
2588 | } | |
2589 | ||
2590 | /* local-ID part of ESI has changed */ | |
2591 | static int zebra_evpn_es_lid_update(struct zebra_if *zif, uint32_t lid) | |
2592 | { | |
2593 | int rv; | |
2594 | ||
325d694b | 2595 | rv = zebra_evpn_type3_esi_update(zif, lid, &zif->es_info.sysmac); |
ce5160c0 AK |
2596 | if (!rv) |
2597 | zif->es_info.lid = lid; | |
2598 | ||
2599 | return rv; | |
2600 | } | |
2601 | ||
325d694b AK |
2602 | /* type-0 esi has changed */ |
2603 | static int zebra_evpn_es_type0_esi_update(struct zebra_if *zif, esi_t *esi) | |
2604 | { | |
2605 | int rv; | |
2606 | ||
2607 | rv = zebra_evpn_local_es_update(zif, esi); | |
2608 | ||
2609 | /* clear the old es_lid, es_sysmac - type-0 is being set so old | |
2610 | * type-3 params need to be flushed | |
2611 | */ | |
2612 | memset(&zif->es_info.sysmac, 0, sizeof(struct ethaddr)); | |
2613 | zif->es_info.lid = 0; | |
2614 | ||
2615 | return rv; | |
2616 | } | |
2617 | ||
ce5160c0 AK |
2618 | void zebra_evpn_es_cleanup(void) |
2619 | { | |
2620 | struct zebra_evpn_es *es; | |
2621 | struct zebra_evpn_es *es_next; | |
2622 | ||
2623 | RB_FOREACH_SAFE(es, zebra_es_rb_head, | |
2624 | &zmh_info->es_rb_tree, es_next) { | |
e378f502 AK |
2625 | zebra_evpn_local_es_del(&es); |
2626 | if (es) | |
2627 | zebra_evpn_remote_es_flush(&es); | |
ce5160c0 AK |
2628 | } |
2629 | } | |
2630 | ||
1103c5c6 AK |
2631 | static void zebra_evpn_es_df_pref_update(struct zebra_if *zif, uint16_t df_pref) |
2632 | { | |
2633 | struct zebra_evpn_es *es; | |
2634 | uint16_t tmp_pref; | |
2635 | ||
2636 | if (zif->es_info.df_pref == df_pref) | |
2637 | return; | |
2638 | ||
2639 | zif->es_info.df_pref = df_pref; | |
2640 | es = zif->es_info.es; | |
2641 | ||
2642 | if (!es) | |
2643 | return; | |
2644 | ||
2645 | tmp_pref = zif->es_info.df_pref ? zif->es_info.df_pref | |
2646 | : EVPN_MH_DF_PREF_DEFAULT; | |
2647 | ||
2648 | if (es->df_pref == tmp_pref) | |
2649 | return; | |
2650 | ||
2651 | es->df_pref = tmp_pref; | |
2652 | /* run df election */ | |
2653 | zebra_evpn_es_run_df_election(es, __func__); | |
2654 | /* notify bgp */ | |
2655 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2656 | zebra_evpn_es_send_add_to_client(es); | |
2657 | } | |
2658 | ||
00a7710c AK |
2659 | /* If bypass mode on an es changed we set all local macs to |
2660 | * inactive and drop the sync info | |
2661 | */ | |
2662 | static void zebra_evpn_es_bypass_update_macs(struct zebra_evpn_es *es, | |
2663 | struct interface *ifp, bool bypass) | |
2664 | { | |
3198b2b3 | 2665 | struct zebra_mac *mac; |
00a7710c AK |
2666 | struct listnode *node; |
2667 | struct listnode *nnode; | |
fd40906b | 2668 | struct zebra_if *zif; |
00a7710c AK |
2669 | |
2670 | /* Flush all MACs linked to the ES */ | |
2671 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { | |
2672 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2673 | continue; | |
2674 | ||
2675 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2676 | zlog_debug("VNI %u mac %pEA %s update es %s", | |
2677 | mac->zevpn->vni, | |
2678 | &mac->macaddr, | |
2679 | bypass ? "bypass" : "non-bypass", | |
2680 | es->esi_str); | |
2681 | zebra_evpn_flush_local_mac(mac, ifp); | |
2682 | } | |
fd40906b AK |
2683 | |
2684 | /* While in bypass-mode locally learnt MACs are linked | |
2685 | * to the access port instead of the ES | |
2686 | */ | |
2687 | zif = ifp->info; | |
2688 | if (!zif->mac_list) | |
2689 | return; | |
2690 | ||
2691 | for (ALL_LIST_ELEMENTS(zif->mac_list, node, nnode, mac)) { | |
2692 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2693 | continue; | |
2694 | ||
2695 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2696 | zlog_debug("VNI %u mac %pEA %s update ifp %s", | |
2697 | mac->zevpn->vni, | |
2698 | &mac->macaddr, | |
2699 | bypass ? "bypass" : "non-bypass", ifp->name); | |
2700 | zebra_evpn_flush_local_mac(mac, ifp); | |
2701 | } | |
00a7710c AK |
2702 | } |
2703 | ||
2704 | void zebra_evpn_es_bypass_update(struct zebra_evpn_es *es, | |
2705 | struct interface *ifp, bool bypass) | |
2706 | { | |
2707 | bool old_bypass; | |
2708 | bool dplane_updated; | |
2709 | ||
2710 | old_bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); | |
2711 | if (old_bypass == bypass) | |
2712 | return; | |
2713 | ||
2714 | if (bypass) | |
2715 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2716 | else | |
2717 | es->flags &= ~ZEBRA_EVPNES_BYPASS; | |
2718 | ||
2719 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2720 | zlog_debug("bond %s es %s lacp bypass changed to %s", ifp->name, | |
2721 | es->esi_str, bypass ? "on" : "off"); | |
2722 | ||
2723 | /* send bypass update to BGP */ | |
2724 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2725 | zebra_evpn_es_send_add_to_client(es); | |
2726 | ||
2727 | zebra_evpn_es_bypass_update_macs(es, ifp, bypass); | |
2728 | ||
2729 | /* re-run DF election */ | |
2730 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
2731 | ||
2732 | /* disable SPH filter */ | |
2733 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL) | |
2734 | && (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT)) | |
2735 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2736 | } | |
2737 | ||
2738 | static void zebra_evpn_es_bypass_cfg_update(struct zebra_if *zif, bool bypass) | |
2739 | { | |
2740 | bool old_bypass = !!(zif->es_info.flags & ZIF_CFG_ES_FLAG_BYPASS); | |
2741 | ||
2742 | if (old_bypass == bypass) | |
2743 | return; | |
2744 | ||
2745 | if (bypass) | |
2746 | zif->es_info.flags |= ZIF_CFG_ES_FLAG_BYPASS; | |
2747 | else | |
2748 | zif->es_info.flags &= ~ZIF_CFG_ES_FLAG_BYPASS; | |
2749 | ||
2750 | ||
2751 | if (zif->es_info.es) | |
2752 | zebra_evpn_es_bypass_update(zif->es_info.es, zif->ifp, bypass); | |
2753 | } | |
2754 | ||
1103c5c6 | 2755 | |
ce5160c0 AK |
2756 | /* Only certain types of access ports can be setup as an Ethernet Segment */ |
2757 | bool zebra_evpn_is_if_es_capable(struct zebra_if *zif) | |
2758 | { | |
2759 | if (zif->zif_type == ZEBRA_IF_BOND) | |
2760 | return true; | |
2761 | ||
2762 | /* XXX: allow swpX i.e. a regular ethernet port to be an ES link too */ | |
2763 | return false; | |
2764 | } | |
2765 | ||
c15dc24f RW |
2766 | void zebra_evpn_if_es_print(struct vty *vty, json_object *json, |
2767 | struct zebra_if *zif) | |
ce5160c0 AK |
2768 | { |
2769 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b | 2770 | char esi_buf[ESI_STR_LEN]; |
c36e442c | 2771 | |
c15dc24f RW |
2772 | if (json) { |
2773 | json_object *json_evpn; | |
2774 | ||
2775 | json_evpn = json_object_new_object(); | |
2776 | json_object_object_add(json, "evpnMh", json_evpn); | |
2777 | ||
2778 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2779 | json_object_int_add(json_evpn, "esId", | |
2780 | zif->es_info.lid); | |
2781 | json_object_string_add( | |
2782 | json_evpn, "esSysmac", | |
2783 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2784 | sizeof(buf))); | |
2785 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2786 | sizeof(*zero_esi))) { | |
2787 | json_object_string_add(json_evpn, "esId", | |
2788 | esi_to_str(&zif->es_info.esi, | |
2789 | esi_buf, | |
2790 | sizeof(esi_buf))); | |
2791 | } | |
2792 | ||
2793 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
2794 | json_object_string_add( | |
2795 | json_evpn, "uplink", | |
2796 | CHECK_FLAG(zif->flags, | |
2797 | ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2798 | ? "up" | |
2799 | : "down"); | |
2800 | } else { | |
2801 | char mh_buf[80]; | |
2802 | bool vty_print = false; | |
2803 | ||
2804 | mh_buf[0] = '\0'; | |
2805 | strlcat(mh_buf, " EVPN-MH:", sizeof(mh_buf)); | |
2806 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2807 | vty_print = true; | |
2808 | snprintf(mh_buf + strlen(mh_buf), | |
2809 | sizeof(mh_buf) - strlen(mh_buf), | |
2810 | " ES id %u ES sysmac %s", zif->es_info.lid, | |
2811 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2812 | sizeof(buf))); | |
2813 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2814 | sizeof(*zero_esi))) { | |
2815 | vty_print = true; | |
2816 | snprintf(mh_buf + strnlen(mh_buf, sizeof(mh_buf)), | |
2817 | sizeof(mh_buf) | |
2818 | - strnlen(mh_buf, sizeof(mh_buf)), | |
2819 | " ES id %s", | |
2820 | esi_to_str(&zif->es_info.esi, esi_buf, | |
2821 | sizeof(esi_buf))); | |
2822 | } | |
ce5160c0 | 2823 | |
c15dc24f RW |
2824 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) { |
2825 | vty_print = true; | |
2826 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2827 | strlcat(mh_buf, " uplink (up)", sizeof(mh_buf)); | |
2828 | else | |
2829 | strlcat(mh_buf, " uplink (down)", | |
2830 | sizeof(mh_buf)); | |
2831 | } | |
2832 | ||
2833 | if (vty_print) | |
2834 | vty_out(vty, "%s\n", mh_buf); | |
2835 | } | |
ce5160c0 AK |
2836 | } |
2837 | ||
1a4f9efd AK |
2838 | static void zebra_evpn_local_mac_oper_state_change(struct zebra_evpn_es *es) |
2839 | { | |
3198b2b3 | 2840 | struct zebra_mac *mac; |
1a4f9efd AK |
2841 | struct listnode *node; |
2842 | ||
2843 | /* If fast-failover is supported by the dataplane via the use | |
2844 | * of an ES backup NHG there is nothing to be done in the | |
2845 | * control plane | |
2846 | */ | |
2847 | if (!(zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF)) | |
2848 | return; | |
2849 | ||
2850 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2851 | zlog_debug("mac slow-fail on es %s %s ", es->esi_str, | |
2852 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" : "down"); | |
2853 | ||
2854 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
2855 | if (!(mac->flags & ZEBRA_MAC_LOCAL) | |
2856 | || !zebra_evpn_mac_is_static(mac)) | |
2857 | continue; | |
2858 | ||
2859 | if (es->flags & ZEBRA_EVPNES_OPER_UP) { | |
2860 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2861 | zlog_debug( | |
2862 | "VNI %u mac %pEA move to acc %s es %s %s ", | |
2863 | mac->zevpn->vni, | |
2864 | &mac->macaddr, | |
2865 | es->zif->ifp->name, es->esi_str, | |
2866 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2867 | ? "up" | |
2868 | : "down"); | |
2869 | /* switch the local macs to access port */ | |
2870 | if (zebra_evpn_sync_mac_dp_install( | |
2871 | mac, false /*set_inactive*/, | |
2872 | false /*force_clear_static*/, __func__) | |
2873 | < 0) | |
2874 | /* if the local mac install fails get rid of the | |
2875 | * old rem entry | |
2876 | */ | |
2877 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
2878 | true /*force*/); | |
2879 | } else { | |
2880 | /* switch the local macs to network port. if there | |
2881 | * is no active NHG we don't bother deleting the MAC; | |
2882 | * that is left up to the dataplane to handle. | |
2883 | */ | |
2884 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
2885 | continue; | |
2886 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2887 | zlog_debug( | |
2888 | "VNI %u mac %pEA move to nhg %u es %s %s ", | |
2889 | mac->zevpn->vni, | |
2890 | &mac->macaddr, | |
2891 | es->nhg_id, es->esi_str, | |
2892 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2893 | ? "up" | |
2894 | : "down"); | |
2895 | zebra_evpn_rem_mac_install(mac->zevpn, mac, | |
2896 | true /*was_static*/); | |
2897 | } | |
2898 | } | |
2899 | } | |
2900 | ||
ce5160c0 AK |
2901 | void zebra_evpn_es_if_oper_state_change(struct zebra_if *zif, bool up) |
2902 | { | |
2903 | struct zebra_evpn_es *es = zif->es_info.es; | |
2904 | bool old_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
2905 | ||
2906 | if (old_up == up) | |
2907 | return; | |
2908 | ||
2909 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2910 | zlog_debug("es %s state changed to %s ", | |
2911 | es->esi_str, | |
2912 | up ? "up" : "down"); | |
2913 | if (up) | |
2914 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2915 | else | |
2916 | es->flags &= ~ZEBRA_EVPNES_OPER_UP; | |
2917 | ||
1103c5c6 | 2918 | zebra_evpn_es_run_df_election(es, __func__); |
15400f95 | 2919 | zebra_evpn_local_mac_oper_state_change(es); |
1103c5c6 | 2920 | |
ce5160c0 AK |
2921 | /* inform BGP of the ES oper state change */ |
2922 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2923 | zebra_evpn_es_send_add_to_client(es); | |
2924 | } | |
2925 | ||
9e0c2fd1 AK |
2926 | static char *zebra_evpn_es_vtep_str(char *vtep_str, struct zebra_evpn_es *es, |
2927 | uint8_t vtep_str_size) | |
ce5160c0 AK |
2928 | { |
2929 | struct zebra_evpn_es_vtep *zvtep; | |
2930 | struct listnode *node; | |
2931 | bool first = true; | |
2747f6f7 | 2932 | char ip_buf[INET6_ADDRSTRLEN]; |
ce5160c0 AK |
2933 | |
2934 | vtep_str[0] = '\0'; | |
2935 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, zvtep)) { | |
2936 | if (first) { | |
2937 | first = false; | |
2747f6f7 AK |
2938 | strlcat(vtep_str, |
2939 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
2940 | sizeof(ip_buf)), | |
9e0c2fd1 | 2941 | vtep_str_size); |
ce5160c0 | 2942 | } else { |
9e0c2fd1 | 2943 | strlcat(vtep_str, ",", vtep_str_size); |
2747f6f7 AK |
2944 | strlcat(vtep_str, |
2945 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
2946 | sizeof(ip_buf)), | |
9e0c2fd1 | 2947 | vtep_str_size); |
ce5160c0 AK |
2948 | } |
2949 | } | |
2950 | return vtep_str; | |
2951 | } | |
2952 | ||
acffa256 AK |
2953 | static void zebra_evpn_es_json_vtep_fill(struct zebra_evpn_es *es, |
2954 | json_object *json_vteps) | |
2955 | { | |
2956 | struct zebra_evpn_es_vtep *es_vtep; | |
2957 | struct listnode *node; | |
2958 | json_object *json_vtep_entry; | |
2959 | char alg_buf[EVPN_DF_ALG_STR_LEN]; | |
2960 | ||
2961 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
2962 | json_vtep_entry = json_object_new_object(); | |
08edf9c6 DA |
2963 | json_object_string_addf(json_vtep_entry, "vtep", "%pI4", |
2964 | &es_vtep->vtep_ip); | |
acffa256 AK |
2965 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
2966 | json_object_string_add( | |
2967 | json_vtep_entry, "dfAlgorithm", | |
2968 | evpn_es_df_alg2str(es_vtep->df_alg, alg_buf, | |
2969 | sizeof(alg_buf))); | |
2970 | json_object_int_add(json_vtep_entry, "dfPreference", | |
2971 | es_vtep->df_pref); | |
2972 | } | |
5de10c37 AK |
2973 | if (es_vtep->nh) |
2974 | json_object_int_add(json_vtep_entry, "nexthopId", | |
2975 | es_vtep->nh->nh_id); | |
acffa256 AK |
2976 | json_object_array_add(json_vteps, json_vtep_entry); |
2977 | } | |
2978 | } | |
2979 | ||
2980 | static void zebra_evpn_es_show_entry(struct vty *vty, struct zebra_evpn_es *es, | |
2981 | json_object *json_array) | |
ce5160c0 | 2982 | { |
00a7710c | 2983 | char type_str[5]; |
ce5160c0 AK |
2984 | char vtep_str[ES_VTEP_LIST_STR_SZ]; |
2985 | ||
acffa256 AK |
2986 | if (json_array) { |
2987 | json_object *json = NULL; | |
2988 | json_object *json_vteps; | |
2989 | json_object *json_flags; | |
2990 | ||
2991 | json = json_object_new_object(); | |
2992 | json_object_string_add(json, "esi", es->esi_str); | |
2993 | ||
2994 | if (es->flags | |
2995 | & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE | |
2996 | | ZEBRA_EVPNES_NON_DF)) { | |
2997 | json_flags = json_object_new_array(); | |
2998 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
2999 | json_array_string_add(json_flags, "local"); | |
3000 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3001 | json_array_string_add(json_flags, "remote"); | |
3002 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3003 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3004 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3005 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3006 | json_object_object_add(json, "flags", json_flags); |
3007 | } | |
3008 | ||
3009 | if (es->zif) | |
3010 | json_object_string_add(json, "accessPort", | |
3011 | es->zif->ifp->name); | |
3012 | ||
3013 | if (listcount(es->es_vtep_list)) { | |
3014 | json_vteps = json_object_new_array(); | |
3015 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3016 | json_object_object_add(json, "vteps", json_vteps); | |
3017 | } | |
3018 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
3019 | } else { |
3020 | type_str[0] = '\0'; | |
3021 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3022 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 | 3023 | if (es->flags & ZEBRA_EVPNES_REMOTE) |
9e0c2fd1 | 3024 | strlcat(type_str, "R", sizeof(type_str)); |
1103c5c6 AK |
3025 | if (es->flags & ZEBRA_EVPNES_NON_DF) |
3026 | strlcat(type_str, "N", sizeof(type_str)); | |
00a7710c AK |
3027 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3028 | strlcat(type_str, "B", sizeof(type_str)); | |
ce5160c0 | 3029 | |
9e0c2fd1 | 3030 | zebra_evpn_es_vtep_str(vtep_str, es, sizeof(vtep_str)); |
ce5160c0 AK |
3031 | |
3032 | vty_out(vty, "%-30s %-4s %-21s %s\n", | |
3033 | es->esi_str, type_str, | |
3034 | es->zif ? es->zif->ifp->name : "-", | |
3035 | vtep_str); | |
3036 | } | |
3037 | } | |
3038 | ||
3039 | static void zebra_evpn_es_show_entry_detail(struct vty *vty, | |
3040 | struct zebra_evpn_es *es, json_object *json) | |
3041 | { | |
3042 | char type_str[80]; | |
1103c5c6 AK |
3043 | char alg_buf[EVPN_DF_ALG_STR_LEN]; |
3044 | struct zebra_evpn_es_vtep *es_vtep; | |
ce5160c0 | 3045 | struct listnode *node; |
35f5c31b | 3046 | char thread_buf[THREAD_TIMER_STRLEN]; |
ce5160c0 AK |
3047 | |
3048 | if (json) { | |
acffa256 AK |
3049 | json_object *json_vteps; |
3050 | json_object *json_flags; | |
3051 | ||
3052 | json_object_string_add(json, "esi", es->esi_str); | |
3053 | if (es->zif) | |
3054 | json_object_string_add(json, "accessPort", | |
3055 | es->zif->ifp->name); | |
3056 | ||
3057 | ||
3058 | if (es->flags) { | |
3059 | json_flags = json_object_new_array(); | |
3060 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3061 | json_array_string_add(json_flags, "local"); | |
3062 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3063 | json_array_string_add(json_flags, "remote"); | |
3064 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3065 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3066 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3067 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3068 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3069 | json_array_string_add(json_flags, | |
3070 | "readyForBgp"); | |
3071 | if (es->flags & ZEBRA_EVPNES_BR_PORT) | |
3072 | json_array_string_add(json_flags, "bridgePort"); | |
3073 | if (es->flags & ZEBRA_EVPNES_OPER_UP) | |
3074 | json_array_string_add(json_flags, "operUp"); | |
3075 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
3076 | json_array_string_add(json_flags, | |
3077 | "nexthopGroupActive"); | |
3078 | json_object_object_add(json, "flags", json_flags); | |
3079 | } | |
3080 | ||
3081 | json_object_int_add(json, "vniCount", | |
3082 | listcount(es->es_evi_list)); | |
3083 | json_object_int_add(json, "macCount", listcount(es->mac_list)); | |
3084 | json_object_int_add(json, "dfPreference", es->df_pref); | |
35f5c31b AK |
3085 | if (es->df_delay_timer) |
3086 | json_object_string_add( | |
3087 | json, "dfDelayTimer", | |
3088 | thread_timer_to_hhmmss(thread_buf, | |
3089 | sizeof(thread_buf), | |
3090 | es->df_delay_timer)); | |
acffa256 AK |
3091 | json_object_int_add(json, "nexthopGroup", es->nhg_id); |
3092 | if (listcount(es->es_vtep_list)) { | |
3093 | json_vteps = json_object_new_array(); | |
3094 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3095 | json_object_object_add(json, "vteps", json_vteps); | |
3096 | } | |
ce5160c0 AK |
3097 | } else { |
3098 | type_str[0] = '\0'; | |
3099 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3100 | strlcat(type_str, "Local", sizeof(type_str)); |
ce5160c0 | 3101 | if (es->flags & ZEBRA_EVPNES_REMOTE) { |
9e0c2fd1 AK |
3102 | if (strnlen(type_str, sizeof(type_str))) |
3103 | strlcat(type_str, ",", sizeof(type_str)); | |
3104 | strlcat(type_str, "Remote", sizeof(type_str)); | |
ce5160c0 AK |
3105 | } |
3106 | ||
3107 | vty_out(vty, "ESI: %s\n", es->esi_str); | |
3108 | vty_out(vty, " Type: %s\n", type_str); | |
3109 | vty_out(vty, " Interface: %s\n", | |
3110 | (es->zif) ? | |
3111 | es->zif->ifp->name : "-"); | |
72f2674a AK |
3112 | if (es->flags & ZEBRA_EVPNES_LOCAL) { |
3113 | vty_out(vty, " State: %s\n", | |
3114 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" | |
3115 | : "down"); | |
3116 | vty_out(vty, " Bridge port: %s\n", | |
3117 | (es->flags & ZEBRA_EVPNES_BR_PORT) ? "yes" | |
3118 | : "no"); | |
3119 | } | |
ce5160c0 AK |
3120 | vty_out(vty, " Ready for BGP: %s\n", |
3121 | (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) ? | |
3122 | "yes" : "no"); | |
00a7710c AK |
3123 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3124 | vty_out(vty, " LACP bypass: on\n"); | |
ce5160c0 | 3125 | vty_out(vty, " VNI Count: %d\n", listcount(es->es_evi_list)); |
b169fd6f | 3126 | vty_out(vty, " MAC Count: %d\n", listcount(es->mac_list)); |
35f5c31b AK |
3127 | if (es->flags & ZEBRA_EVPNES_LOCAL) |
3128 | vty_out(vty, " DF status: %s \n", | |
3129 | (es->flags & ZEBRA_EVPNES_NON_DF) ? "non-df" | |
3130 | : "df"); | |
3131 | if (es->df_delay_timer) | |
3132 | vty_out(vty, " DF delay: %s\n", | |
3133 | thread_timer_to_hhmmss(thread_buf, | |
3134 | sizeof(thread_buf), | |
3135 | es->df_delay_timer)); | |
3136 | vty_out(vty, " DF preference: %u\n", es->df_pref); | |
dfa3d3d7 | 3137 | vty_out(vty, " Nexthop group: %u\n", es->nhg_id); |
ce5160c0 | 3138 | vty_out(vty, " VTEPs:\n"); |
1103c5c6 AK |
3139 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { |
3140 | vty_out(vty, " %pI4", | |
3141 | &es_vtep->vtep_ip); | |
3142 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) | |
3143 | vty_out(vty, " df_alg: %s df_pref: %d", | |
3144 | evpn_es_df_alg2str(es_vtep->df_alg, | |
3145 | alg_buf, | |
3146 | sizeof(alg_buf)), | |
3147 | es_vtep->df_pref); | |
5de10c37 AK |
3148 | vty_out(vty, " nh: %u\n", |
3149 | es_vtep->nh ? es_vtep->nh->nh_id : 0); | |
1103c5c6 | 3150 | } |
ce5160c0 AK |
3151 | |
3152 | vty_out(vty, "\n"); | |
3153 | } | |
3154 | } | |
3155 | ||
3156 | void zebra_evpn_es_show(struct vty *vty, bool uj) | |
3157 | { | |
3158 | struct zebra_evpn_es *es; | |
acffa256 | 3159 | json_object *json_array = NULL; |
ce5160c0 AK |
3160 | |
3161 | if (uj) { | |
acffa256 | 3162 | json_array = json_object_new_array(); |
ce5160c0 | 3163 | } else { |
00a7710c | 3164 | vty_out(vty, "Type: B bypass, L local, R remote, N non-DF\n"); |
ce5160c0 AK |
3165 | vty_out(vty, "%-30s %-4s %-21s %s\n", |
3166 | "ESI", "Type", "ES-IF", "VTEPs"); | |
3167 | } | |
3168 | ||
3169 | RB_FOREACH(es, zebra_es_rb_head, &zmh_info->es_rb_tree) | |
acffa256 AK |
3170 | zebra_evpn_es_show_entry(vty, es, json_array); |
3171 | ||
c48349e3 | 3172 | if (uj) |
962af8a8 | 3173 | vty_json(vty, json_array); |
ce5160c0 AK |
3174 | } |
3175 | ||
3176 | void zebra_evpn_es_show_detail(struct vty *vty, bool uj) | |
3177 | { | |
3178 | struct zebra_evpn_es *es; | |
acffa256 | 3179 | json_object *json_array = NULL; |
ce5160c0 | 3180 | |
acffa256 AK |
3181 | if (uj) |
3182 | json_array = json_object_new_array(); | |
3183 | ||
3184 | RB_FOREACH (es, zebra_es_rb_head, &zmh_info->es_rb_tree) { | |
3185 | json_object *json = NULL; | |
3186 | ||
3187 | if (uj) | |
3188 | json = json_object_new_object(); | |
ce5160c0 | 3189 | zebra_evpn_es_show_entry_detail(vty, es, json); |
acffa256 AK |
3190 | if (uj) |
3191 | json_object_array_add(json_array, json); | |
3192 | } | |
3193 | ||
c48349e3 | 3194 | if (uj) |
962af8a8 | 3195 | vty_json(vty, json_array); |
ce5160c0 AK |
3196 | } |
3197 | ||
3198 | void zebra_evpn_es_show_esi(struct vty *vty, bool uj, esi_t *esi) | |
3199 | { | |
3200 | struct zebra_evpn_es *es; | |
3201 | char esi_str[ESI_STR_LEN]; | |
3202 | json_object *json = NULL; | |
3203 | ||
acffa256 AK |
3204 | if (uj) |
3205 | json = json_object_new_object(); | |
3206 | ||
ce5160c0 AK |
3207 | es = zebra_evpn_es_find(esi); |
3208 | ||
acffa256 AK |
3209 | if (es) { |
3210 | zebra_evpn_es_show_entry_detail(vty, es, json); | |
3211 | } else { | |
3212 | if (!uj) { | |
3213 | esi_to_str(esi, esi_str, sizeof(esi_str)); | |
3214 | vty_out(vty, "ESI %s does not exist\n", esi_str); | |
3215 | } | |
ce5160c0 AK |
3216 | } |
3217 | ||
c48349e3 | 3218 | if (uj) |
962af8a8 | 3219 | vty_json(vty, json); |
ce5160c0 AK |
3220 | } |
3221 | ||
3222 | int zebra_evpn_mh_if_write(struct vty *vty, struct interface *ifp) | |
3223 | { | |
3224 | struct zebra_if *zif = ifp->info; | |
3225 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b AK |
3226 | bool type_3_esi = false; |
3227 | char esi_buf[ESI_STR_LEN]; | |
ce5160c0 | 3228 | |
325d694b | 3229 | if (zif->es_info.lid) { |
ce5160c0 | 3230 | vty_out(vty, " evpn mh es-id %u\n", zif->es_info.lid); |
325d694b AK |
3231 | type_3_esi = true; |
3232 | } | |
ce5160c0 | 3233 | |
325d694b | 3234 | if (!is_zero_mac(&zif->es_info.sysmac)) { |
ce5160c0 AK |
3235 | vty_out(vty, " evpn mh es-sys-mac %s\n", |
3236 | prefix_mac2str(&zif->es_info.sysmac, | |
3237 | buf, sizeof(buf))); | |
325d694b AK |
3238 | type_3_esi = true; |
3239 | } | |
3240 | ||
3241 | if (!type_3_esi | |
3242 | && memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3243 | vty_out(vty, " evpn mh es-id %s\n", | |
3244 | esi_to_str(&zif->es_info.esi, esi_buf, sizeof(esi_buf))); | |
1103c5c6 AK |
3245 | |
3246 | if (zif->es_info.df_pref) | |
3247 | vty_out(vty, " evpn mh es-df-pref %u\n", zif->es_info.df_pref); | |
3248 | ||
c36e442c AK |
3249 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) |
3250 | vty_out(vty, " evpn mh uplink\n"); | |
3251 | ||
ce5160c0 AK |
3252 | return 0; |
3253 | } | |
3254 | ||
3255 | #ifndef VTYSH_EXTRACT_PL | |
3256 | #include "zebra/zebra_evpn_mh_clippy.c" | |
3257 | #endif | |
00a7710c AK |
3258 | /* CLI for setting an ES in bypass mode */ |
3259 | DEFPY_HIDDEN(zebra_evpn_es_bypass, zebra_evpn_es_bypass_cmd, | |
3260 | "[no] evpn mh bypass", | |
3261 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "set bypass mode\n") | |
3262 | { | |
3263 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3264 | struct zebra_if *zif; | |
3265 | ||
3266 | zif = ifp->info; | |
3267 | ||
3268 | if (no) { | |
3269 | zebra_evpn_es_bypass_cfg_update(zif, false); | |
3270 | } else { | |
3271 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3272 | vty_out(vty, | |
21311bc8 | 3273 | "%% DF bypass cannot be associated with this interface type\n"); |
00a7710c AK |
3274 | return CMD_WARNING; |
3275 | } | |
3276 | zebra_evpn_es_bypass_cfg_update(zif, true); | |
3277 | } | |
3278 | return CMD_SUCCESS; | |
3279 | } | |
3280 | ||
1103c5c6 AK |
3281 | /* CLI for configuring DF preference part for an ES */ |
3282 | DEFPY(zebra_evpn_es_pref, zebra_evpn_es_pref_cmd, | |
3283 | "[no$no] evpn mh es-df-pref [(1-65535)$df_pref]", | |
3284 | NO_STR "EVPN\n" EVPN_MH_VTY_STR | |
3285 | "preference value used for DF election\n" | |
00a7710c | 3286 | "pref\n") |
1103c5c6 AK |
3287 | { |
3288 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3289 | struct zebra_if *zif; | |
3290 | ||
3291 | zif = ifp->info; | |
3292 | ||
3293 | if (no) { | |
3294 | zebra_evpn_es_df_pref_update(zif, 0); | |
3295 | } else { | |
3296 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3297 | vty_out(vty, | |
21311bc8 | 3298 | "%% DF preference cannot be associated with this interface type\n"); |
1103c5c6 AK |
3299 | return CMD_WARNING; |
3300 | } | |
3301 | zebra_evpn_es_df_pref_update(zif, df_pref); | |
3302 | } | |
3303 | return CMD_SUCCESS; | |
3304 | } | |
3305 | ||
ce5160c0 AK |
3306 | /* CLI for setting up sysmac part of ESI on an access port */ |
3307 | DEFPY(zebra_evpn_es_sys_mac, | |
3308 | zebra_evpn_es_sys_mac_cmd, | |
3309 | "[no$no] evpn mh es-sys-mac [X:X:X:X:X:X$mac]", | |
3310 | NO_STR | |
3311 | "EVPN\n" | |
3312 | EVPN_MH_VTY_STR | |
3313 | "Ethernet segment system MAC\n" | |
3314 | MAC_STR | |
3315 | ) | |
3316 | { | |
3317 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3318 | struct zebra_if *zif; | |
3319 | int ret = 0; | |
3320 | ||
3321 | zif = ifp->info; | |
3322 | ||
3323 | if (no) { | |
3324 | static struct ethaddr zero_mac; | |
3325 | ||
3326 | ret = zebra_evpn_es_sys_mac_update(zif, &zero_mac); | |
3327 | if (ret == -1) { | |
21311bc8 | 3328 | vty_out(vty, "%% Failed to clear ES sysmac\n"); |
ce5160c0 AK |
3329 | return CMD_WARNING; |
3330 | } | |
3331 | } else { | |
3332 | ||
3333 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3334 | vty_out(vty, | |
21311bc8 | 3335 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3336 | return CMD_WARNING; |
3337 | } | |
3338 | ||
3339 | if (!mac || is_zero_mac(&mac->eth_addr)) { | |
21311bc8 | 3340 | vty_out(vty, "%% ES sysmac value is invalid\n"); |
ce5160c0 AK |
3341 | return CMD_WARNING; |
3342 | } | |
3343 | ||
3344 | ret = zebra_evpn_es_sys_mac_update(zif, &mac->eth_addr); | |
3345 | if (ret == -1) { | |
21311bc8 | 3346 | vty_out(vty, |
3347 | "%% ESI already exists on a different interface\n"); | |
ce5160c0 AK |
3348 | return CMD_WARNING; |
3349 | } | |
3350 | } | |
3351 | return CMD_SUCCESS; | |
3352 | } | |
3353 | ||
3354 | /* CLI for setting up local-ID part of ESI on an access port */ | |
3355 | DEFPY(zebra_evpn_es_id, | |
3356 | zebra_evpn_es_id_cmd, | |
325d694b | 3357 | "[no$no] evpn mh es-id [(1-16777215)$es_lid | NAME$esi_str]", |
ce5160c0 AK |
3358 | NO_STR |
3359 | "EVPN\n" | |
3360 | EVPN_MH_VTY_STR | |
325d694b AK |
3361 | "Ethernet segment identifier\n" |
3362 | "local discriminator\n" | |
3363 | "10-byte ID - 00:AA:BB:CC:DD:EE:FF:GG:HH:II\n" | |
ce5160c0 AK |
3364 | ) |
3365 | { | |
3366 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3367 | struct zebra_if *zif; | |
325d694b AK |
3368 | int ret = 0; |
3369 | esi_t esi; | |
ce5160c0 AK |
3370 | |
3371 | zif = ifp->info; | |
3372 | ||
3373 | if (no) { | |
325d694b AK |
3374 | if (zif->es_info.lid) |
3375 | ret = zebra_evpn_es_lid_update(zif, 0); | |
3376 | else if (memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3377 | ret = zebra_evpn_es_type0_esi_update(zif, zero_esi); | |
3378 | ||
ce5160c0 | 3379 | if (ret == -1) { |
2e39ebbb | 3380 | vty_out(vty, |
3381 | "%% Failed to clear ES local id or ESI name\n"); | |
ce5160c0 AK |
3382 | return CMD_WARNING; |
3383 | } | |
3384 | } else { | |
3385 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3386 | vty_out(vty, | |
21311bc8 | 3387 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3388 | return CMD_WARNING; |
3389 | } | |
3390 | ||
325d694b AK |
3391 | if (esi_str) { |
3392 | if (!str_to_esi(esi_str, &esi)) { | |
2e39ebbb | 3393 | vty_out(vty, "%% Malformed ESI name\n"); |
325d694b AK |
3394 | return CMD_WARNING; |
3395 | } | |
3396 | ret = zebra_evpn_es_type0_esi_update(zif, &esi); | |
3397 | } else { | |
3398 | if (!es_lid) { | |
2e39ebbb | 3399 | vty_out(vty, |
3400 | "%% Specify ES local id or ESI name\n"); | |
325d694b AK |
3401 | return CMD_WARNING; |
3402 | } | |
3403 | ret = zebra_evpn_es_lid_update(zif, es_lid); | |
ce5160c0 | 3404 | } |
325d694b | 3405 | |
ce5160c0 AK |
3406 | if (ret == -1) { |
3407 | vty_out(vty, | |
21311bc8 | 3408 | "%% ESI already exists on a different interface\n"); |
ce5160c0 AK |
3409 | return CMD_WARNING; |
3410 | } | |
3411 | } | |
3412 | return CMD_SUCCESS; | |
3413 | } | |
3414 | ||
c36e442c AK |
3415 | /* CLI for tagging an interface as an uplink */ |
3416 | DEFPY(zebra_evpn_mh_uplink, zebra_evpn_mh_uplink_cmd, "[no] evpn mh uplink", | |
3417 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "uplink to the VxLAN core\n") | |
3418 | { | |
3419 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3420 | struct zebra_if *zif; | |
3421 | ||
3422 | zif = ifp->info; | |
3423 | zebra_evpn_mh_uplink_cfg_update(zif, no ? false : true); | |
3424 | ||
3425 | return CMD_SUCCESS; | |
3426 | } | |
3427 | ||
3428 | void zebra_evpn_mh_json(json_object *json) | |
3429 | { | |
3430 | json_object *json_array; | |
3431 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3432 | ||
3433 | json_object_int_add(json, "macHoldtime", zmh_info->mac_hold_time); | |
3434 | json_object_int_add(json, "neighHoldtime", zmh_info->neigh_hold_time); | |
3435 | json_object_int_add(json, "startupDelay", zmh_info->startup_delay_time); | |
3436 | json_object_string_add( | |
3437 | json, "startupDelayTimer", | |
3438 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3439 | zmh_info->startup_delay_timer)); | |
3440 | json_object_int_add(json, "uplinkConfigCount", | |
3441 | zmh_info->uplink_cfg_cnt); | |
3442 | json_object_int_add(json, "uplinkActiveCount", | |
3443 | zmh_info->uplink_oper_up_cnt); | |
3444 | ||
3445 | if (zmh_info->protodown_rc) { | |
3446 | json_array = json_object_new_array(); | |
7140b00c SW |
3447 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3448 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY)) | |
c36e442c AK |
3449 | json_object_array_add( |
3450 | json_array, | |
3451 | json_object_new_string("startupDelay")); | |
7140b00c SW |
3452 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3453 | ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN)) | |
47c1d76a SW |
3454 | json_object_array_add( |
3455 | json_array, | |
c36e442c AK |
3456 | json_object_new_string("uplinkDown")); |
3457 | json_object_object_add(json, "protodownReasons", json_array); | |
3458 | } | |
3459 | } | |
3460 | ||
3461 | void zebra_evpn_mh_print(struct vty *vty) | |
3462 | { | |
3463 | char pd_buf[ZEBRA_PROTODOWN_RC_STR_LEN]; | |
3464 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3465 | ||
3466 | vty_out(vty, "EVPN MH:\n"); | |
3467 | vty_out(vty, " mac-holdtime: %ds, neigh-holdtime: %ds\n", | |
3468 | zmh_info->mac_hold_time, zmh_info->neigh_hold_time); | |
3469 | vty_out(vty, " startup-delay: %ds, start-delay-timer: %s\n", | |
3470 | zmh_info->startup_delay_time, | |
3471 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3472 | zmh_info->startup_delay_timer)); | |
3473 | vty_out(vty, " uplink-cfg-cnt: %u, uplink-active-cnt: %u\n", | |
3474 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3475 | if (zmh_info->protodown_rc) | |
26ba45e3 | 3476 | vty_out(vty, " protodown reasons: %s\n", |
c36e442c AK |
3477 | zebra_protodown_rc_str(zmh_info->protodown_rc, pd_buf, |
3478 | sizeof(pd_buf))); | |
3479 | } | |
3480 | ||
ce5160c0 AK |
3481 | /*****************************************************************************/ |
3482 | /* A base L2-VNI is maintained to derive parameters such as ES originator-IP. | |
3483 | * XXX: once single vxlan device model becomes available this will not be | |
3484 | * necessary | |
3485 | */ | |
3486 | /* called when a new vni is added or becomes oper up or becomes a bridge port */ | |
f6371c34 | 3487 | void zebra_evpn_es_set_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3488 | { |
3489 | struct listnode *node; | |
3490 | struct zebra_evpn_es *es; | |
3491 | ||
87d76d54 PR |
3492 | if (zmh_info->es_base_evpn) { |
3493 | if (zmh_info->es_base_evpn != zevpn) { | |
3494 | /* unrelated EVPN; ignore it */ | |
ce5160c0 AK |
3495 | return; |
3496 | } | |
3497 | /* check if the local vtep-ip has changed */ | |
3498 | } else { | |
87d76d54 PR |
3499 | /* check if the EVPN can be used as base EVPN */ |
3500 | if (!zebra_evpn_send_to_client_ok(zevpn)) | |
ce5160c0 AK |
3501 | return; |
3502 | ||
3503 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3504 | zlog_debug("es base vni set to %d", | |
87d76d54 PR |
3505 | zevpn->vni); |
3506 | zmh_info->es_base_evpn = zevpn; | |
ce5160c0 AK |
3507 | } |
3508 | ||
3509 | /* update local VTEP-IP */ | |
3510 | if (zmh_info->es_originator_ip.s_addr == | |
87d76d54 | 3511 | zmh_info->es_base_evpn->local_vtep_ip.s_addr) |
ce5160c0 AK |
3512 | return; |
3513 | ||
3514 | zmh_info->es_originator_ip.s_addr = | |
87d76d54 | 3515 | zmh_info->es_base_evpn->local_vtep_ip.s_addr; |
ce5160c0 AK |
3516 | |
3517 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
3518 | zlog_debug("es originator ip set to %pI4", |
3519 | &zmh_info->es_base_evpn->local_vtep_ip); | |
ce5160c0 AK |
3520 | |
3521 | /* if originator ip changes we need to update bgp */ | |
3522 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
1103c5c6 AK |
3523 | zebra_evpn_es_run_df_election(es, __func__); |
3524 | ||
ce5160c0 AK |
3525 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3526 | zebra_evpn_es_send_add_to_client(es); | |
3527 | else | |
3528 | zebra_evpn_es_re_eval_send_to_client(es, | |
3529 | true /* es_evi_re_reval */); | |
3530 | } | |
3531 | } | |
3532 | ||
3533 | /* called when a vni is removed or becomes oper down or is removed from a | |
3534 | * bridge | |
3535 | */ | |
f6371c34 | 3536 | void zebra_evpn_es_clear_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3537 | { |
3538 | struct listnode *node; | |
3539 | struct zebra_evpn_es *es; | |
3540 | ||
87d76d54 | 3541 | if (zmh_info->es_base_evpn != zevpn) |
ce5160c0 AK |
3542 | return; |
3543 | ||
87d76d54 PR |
3544 | zmh_info->es_base_evpn = NULL; |
3545 | /* lost current base EVPN; try to find a new one */ | |
3546 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 | 3547 | |
87d76d54 PR |
3548 | /* couldn't locate an eligible base evpn */ |
3549 | if (!zmh_info->es_base_evpn && zmh_info->es_originator_ip.s_addr) { | |
ce5160c0 AK |
3550 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3551 | zlog_debug("es originator ip cleared"); | |
3552 | ||
3553 | zmh_info->es_originator_ip.s_addr = 0; | |
3554 | /* lost originator ip */ | |
3555 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
3556 | zebra_evpn_es_re_eval_send_to_client(es, | |
3557 | true /* es_evi_re_reval */); | |
3558 | } | |
3559 | } | |
3560 | } | |
3561 | ||
3562 | /* Locate an "eligible" L2-VNI to follow */ | |
87d76d54 | 3563 | static int zebra_evpn_es_get_one_base_evpn_cb(struct hash_bucket *b, void *data) |
ce5160c0 | 3564 | { |
f6371c34 | 3565 | struct zebra_evpn *zevpn = b->data; |
ce5160c0 | 3566 | |
87d76d54 | 3567 | zebra_evpn_es_set_base_evpn(zevpn); |
ce5160c0 | 3568 | |
87d76d54 | 3569 | if (zmh_info->es_base_evpn) |
ce5160c0 AK |
3570 | return HASHWALK_ABORT; |
3571 | ||
3572 | return HASHWALK_CONTINUE; | |
3573 | } | |
3574 | ||
87d76d54 | 3575 | /* locate a base_evpn to follow for the purposes of common params like |
ce5160c0 AK |
3576 | * originator IP |
3577 | */ | |
87d76d54 | 3578 | static void zebra_evpn_es_get_one_base_evpn(void) |
ce5160c0 AK |
3579 | { |
3580 | struct zebra_vrf *zvrf; | |
3581 | ||
3582 | zvrf = zebra_vrf_get_evpn(); | |
87d76d54 | 3583 | hash_walk(zvrf->evpn_table, zebra_evpn_es_get_one_base_evpn_cb, NULL); |
ce5160c0 AK |
3584 | } |
3585 | ||
c36e442c AK |
3586 | /***************************************************************************** |
3587 | * local ethernet segments can be error-disabled if the switch is not | |
3588 | * ready to start transmitting traffic via the VxLAN overlay | |
3589 | */ | |
3590 | bool zebra_evpn_is_es_bond(struct interface *ifp) | |
3591 | { | |
3592 | struct zebra_if *zif = ifp->info; | |
3593 | ||
3594 | return !!(struct zebra_if *)zif->es_info.es; | |
3595 | } | |
3596 | ||
3597 | bool zebra_evpn_is_es_bond_member(struct interface *ifp) | |
3598 | { | |
3599 | struct zebra_if *zif = ifp->info; | |
3600 | ||
3601 | return IS_ZEBRA_IF_BOND_SLAVE(zif->ifp) && zif->bondslave_info.bond_if | |
3602 | && ((struct zebra_if *)zif->bondslave_info.bond_if->info) | |
3603 | ->es_info.es; | |
3604 | } | |
3605 | ||
3606 | void zebra_evpn_mh_update_protodown_bond_mbr(struct zebra_if *zif, bool clear, | |
3607 | const char *caller) | |
3608 | { | |
c36e442c | 3609 | bool new_protodown; |
5d414138 SW |
3610 | uint32_t old_protodown_rc = 0; |
3611 | uint32_t new_protodown_rc = 0; | |
3612 | uint32_t protodown_rc = 0; | |
c36e442c AK |
3613 | |
3614 | if (!clear) { | |
3615 | struct zebra_if *bond_zif; | |
3616 | ||
3617 | bond_zif = zif->bondslave_info.bond_if->info; | |
3618 | protodown_rc = bond_zif->protodown_rc; | |
3619 | } | |
3620 | ||
c36e442c | 3621 | old_protodown_rc = zif->protodown_rc; |
26a64ff9 | 3622 | new_protodown_rc = (old_protodown_rc & ~ZEBRA_PROTODOWN_EVPN_ALL); |
5d414138 SW |
3623 | new_protodown_rc |= (protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); |
3624 | new_protodown = !!new_protodown_rc; | |
c36e442c | 3625 | |
5d414138 | 3626 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES && (new_protodown_rc != old_protodown_rc)) |
c36e442c AK |
3627 | zlog_debug( |
3628 | "%s bond mbr %s protodown_rc changed; old 0x%x new 0x%x", | |
3629 | caller, zif->ifp->name, old_protodown_rc, | |
5d414138 | 3630 | new_protodown_rc); |
c36e442c | 3631 | |
cb5b31f5 SW |
3632 | if (zebra_if_update_protodown_rc(zif->ifp, new_protodown, |
3633 | new_protodown_rc) == 0) { | |
5d414138 SW |
3634 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3635 | zlog_debug("%s protodown %s", zif->ifp->name, | |
3636 | new_protodown ? "on" : "off"); | |
3637 | } | |
c36e442c AK |
3638 | } |
3639 | ||
3640 | /* The bond members inherit the protodown reason code from the bond */ | |
3641 | static void zebra_evpn_mh_update_protodown_bond(struct zebra_if *bond_zif) | |
3642 | { | |
3643 | struct zebra_if *zif; | |
3644 | struct listnode *node; | |
3645 | ||
3646 | if (!bond_zif->bond_info.mbr_zifs) | |
3647 | return; | |
3648 | ||
3649 | for (ALL_LIST_ELEMENTS_RO(bond_zif->bond_info.mbr_zifs, node, zif)) { | |
3650 | zebra_evpn_mh_update_protodown_bond_mbr(zif, false /*clear*/, | |
3651 | __func__); | |
3652 | } | |
3653 | } | |
3654 | ||
3655 | /* The global EVPN MH protodown rc is applied to all local ESs */ | |
2bcf92e1 AK |
3656 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
3657 | bool resync_dplane) | |
c36e442c AK |
3658 | { |
3659 | struct zebra_if *zif; | |
5d414138 | 3660 | uint32_t old_protodown_rc; |
c36e442c AK |
3661 | |
3662 | zif = es->zif; | |
2bcf92e1 AK |
3663 | /* if the reason code is the same bail unless it is a new |
3664 | * ES bond in that case we would need to ensure that the | |
3665 | * dplane is really in sync with zebra | |
3666 | */ | |
3667 | if (!resync_dplane | |
3668 | && (zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL) | |
3669 | == (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
c36e442c AK |
3670 | return; |
3671 | ||
3672 | old_protodown_rc = zif->protodown_rc; | |
3673 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3674 | zif->protodown_rc |= | |
3675 | (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); | |
3676 | ||
2bcf92e1 AK |
3677 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES |
3678 | && (old_protodown_rc != zif->protodown_rc)) | |
c36e442c AK |
3679 | zlog_debug( |
3680 | "es %s ifp %s protodown_rc changed; old 0x%x new 0x%x", | |
3681 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3682 | zif->protodown_rc); | |
3683 | ||
3684 | /* update dataplane with the new protodown setting */ | |
3685 | zebra_evpn_mh_update_protodown_bond(zif); | |
3686 | } | |
3687 | ||
3688 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es) | |
3689 | { | |
3690 | struct zebra_if *zif; | |
5d414138 | 3691 | uint32_t old_protodown_rc; |
c36e442c AK |
3692 | |
3693 | zif = es->zif; | |
3694 | if (!(zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
3695 | return; | |
3696 | ||
3697 | old_protodown_rc = zif->protodown_rc; | |
3698 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3699 | ||
3700 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3701 | zlog_debug( | |
3702 | "clear: es %s ifp %s protodown_rc cleared; old 0x%x new 0x%x", | |
3703 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3704 | zif->protodown_rc); | |
3705 | ||
3706 | /* update dataplane with the new protodown setting */ | |
3707 | zebra_evpn_mh_update_protodown_bond(zif); | |
3708 | } | |
3709 | ||
3710 | static void zebra_evpn_mh_update_protodown_es_all(void) | |
3711 | { | |
3712 | struct listnode *node; | |
3713 | struct zebra_evpn_es *es; | |
3714 | ||
3715 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) | |
2bcf92e1 | 3716 | zebra_evpn_mh_update_protodown_es(es, false /*resync_dplane*/); |
c36e442c AK |
3717 | } |
3718 | ||
5d414138 | 3719 | static void zebra_evpn_mh_update_protodown(uint32_t protodown_rc, bool set) |
c36e442c | 3720 | { |
5d414138 | 3721 | uint32_t old_protodown_rc = zmh_info->protodown_rc; |
c36e442c AK |
3722 | |
3723 | if (set) { | |
3724 | if ((protodown_rc & zmh_info->protodown_rc) == protodown_rc) | |
3725 | return; | |
3726 | ||
3727 | zmh_info->protodown_rc |= protodown_rc; | |
3728 | } else { | |
3729 | if (!(protodown_rc & zmh_info->protodown_rc)) | |
3730 | return; | |
3731 | zmh_info->protodown_rc &= ~protodown_rc; | |
3732 | } | |
3733 | ||
3734 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3735 | zlog_debug("mh protodown_rc changed; old 0x%x new 0x%x", | |
3736 | old_protodown_rc, zmh_info->protodown_rc); | |
3737 | zebra_evpn_mh_update_protodown_es_all(); | |
3738 | } | |
3739 | ||
3740 | static inline bool zebra_evpn_mh_is_all_uplinks_down(void) | |
3741 | { | |
3742 | return zmh_info->uplink_cfg_cnt && !zmh_info->uplink_oper_up_cnt; | |
3743 | } | |
3744 | ||
3745 | static void zebra_evpn_mh_uplink_oper_flags_update(struct zebra_if *zif, | |
3746 | bool set) | |
3747 | { | |
9a8fc8f8 | 3748 | if (set && if_is_operative(zif->ifp)) { |
3749 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP)) { | |
3750 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3751 | ++zmh_info->uplink_oper_up_cnt; | |
c36e442c AK |
3752 | } |
3753 | } else { | |
3754 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) { | |
3755 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3756 | if (zmh_info->uplink_oper_up_cnt) | |
3757 | --zmh_info->uplink_oper_up_cnt; | |
3758 | } | |
3759 | } | |
3760 | } | |
3761 | ||
3762 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set) | |
3763 | { | |
3764 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3765 | bool new_protodown; | |
3766 | ||
3767 | if (set) { | |
3768 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
3769 | return; | |
3770 | ||
3771 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK; | |
3772 | ++zmh_info->uplink_cfg_cnt; | |
3773 | } else { | |
3774 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK)) | |
3775 | return; | |
3776 | ||
3777 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK; | |
3778 | if (zmh_info->uplink_cfg_cnt) | |
3779 | --zmh_info->uplink_cfg_cnt; | |
3780 | } | |
3781 | ||
3782 | zebra_evpn_mh_uplink_oper_flags_update(zif, set); | |
3783 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3784 | if (old_protodown == new_protodown) | |
3785 | return; | |
3786 | ||
3787 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3788 | zlog_debug( | |
3789 | "mh-uplink-cfg-chg on if %s/%d %s uplinks cfg %u up %u", | |
3790 | zif->ifp->name, zif->ifp->ifindex, set ? "set" : "down", | |
3791 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3792 | ||
3793 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, | |
3794 | new_protodown); | |
3795 | } | |
3796 | ||
3797 | void zebra_evpn_mh_uplink_oper_update(struct zebra_if *zif) | |
3798 | { | |
3799 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3800 | bool new_protodown; | |
3801 | ||
3802 | zebra_evpn_mh_uplink_oper_flags_update(zif, true /*set*/); | |
3803 | ||
3804 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3805 | zlog_debug( | |
3806 | "mh-uplink-oper-chg on if %s/%d %s; uplinks cfg %u up %u", | |
3807 | zif->ifp->name, zif->ifp->ifindex, | |
3808 | if_is_operative(zif->ifp) ? "up" : "down", | |
3809 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3810 | ||
3811 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3812 | if (old_protodown == new_protodown) | |
3813 | return; | |
3814 | ||
dc261b8d AK |
3815 | /* if protodown_rc XXX_UPLINK_DOWN is about to be cleared |
3816 | * fire up the start-up delay timer to allow the EVPN network | |
3817 | * to converge (Type-2 routes need to be advertised and processed) | |
3818 | */ | |
3819 | if (!new_protodown && (zmh_info->uplink_oper_up_cnt == 1)) | |
3820 | zebra_evpn_mh_startup_delay_timer_start("uplink-up"); | |
3821 | ||
c36e442c AK |
3822 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, |
3823 | new_protodown); | |
3824 | } | |
3825 | ||
cc9f21da | 3826 | static void zebra_evpn_mh_startup_delay_exp_cb(struct thread *t) |
c36e442c AK |
3827 | { |
3828 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3829 | zlog_debug("startup-delay expired"); | |
3830 | ||
3831 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, | |
3832 | false /* set */); | |
c36e442c AK |
3833 | } |
3834 | ||
dc261b8d | 3835 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc) |
c36e442c | 3836 | { |
c36e442c AK |
3837 | if (zmh_info->startup_delay_timer) { |
3838 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3839 | zlog_debug("startup-delay timer cancelled"); | |
35f5c31b | 3840 | THREAD_OFF(zmh_info->startup_delay_timer); |
c36e442c AK |
3841 | } |
3842 | ||
3843 | if (zmh_info->startup_delay_time) { | |
3844 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dc261b8d AK |
3845 | zlog_debug( |
3846 | "startup-delay timer started for %d sec on %s", | |
3847 | zmh_info->startup_delay_time, rc); | |
c36e442c AK |
3848 | thread_add_timer(zrouter.master, |
3849 | zebra_evpn_mh_startup_delay_exp_cb, NULL, | |
3850 | zmh_info->startup_delay_time, | |
3851 | &zmh_info->startup_delay_timer); | |
3852 | zebra_evpn_mh_update_protodown( | |
3853 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, true /* set */); | |
3854 | } else { | |
3855 | zebra_evpn_mh_update_protodown( | |
3856 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, false /* set */); | |
3857 | } | |
3858 | } | |
3859 | ||
7bfa7d02 AK |
3860 | /***************************************************************************** |
3861 | * Nexthop management: nexthops associated with Type-2 routes that have | |
3862 | * an ES as destination are consolidated by BGP into a per-VRF nh->rmac | |
3863 | * mapping which is the installed as a remote neigh/fdb entry with a | |
3864 | * dummy (type-1) prefix referencing it. | |
3865 | * This handling is needed because Type-2 routes with ES as dest use NHG | |
3866 | * that are setup using EAD routes (i.e. such NHGs do not include the | |
3867 | * RMAC info). | |
3868 | ****************************************************************************/ | |
3869 | void zebra_evpn_proc_remote_nh(ZAPI_HANDLER_ARGS) | |
3870 | { | |
3871 | struct stream *s; | |
3872 | vrf_id_t vrf_id; | |
3873 | struct ipaddr nh; | |
3874 | struct ethaddr rmac; | |
3875 | struct prefix_evpn dummy_prefix; | |
86d87c53 | 3876 | size_t min_len = 4 + sizeof(nh); |
7bfa7d02 AK |
3877 | |
3878 | s = msg; | |
86d87c53 DS |
3879 | |
3880 | /* | |
3881 | * Ensure that the stream sent to us is long enough | |
3882 | */ | |
3883 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) | |
3884 | min_len += sizeof(rmac); | |
3885 | if (hdr->length < min_len) | |
3886 | return; | |
3887 | ||
7bfa7d02 AK |
3888 | vrf_id = stream_getl(s); |
3889 | stream_get(&nh, s, sizeof(nh)); | |
3890 | ||
3891 | memset(&dummy_prefix, 0, sizeof(dummy_prefix)); | |
3892 | dummy_prefix.family = AF_EVPN; | |
3893 | dummy_prefix.prefixlen = (sizeof(struct evpn_addr) * 8); | |
3894 | dummy_prefix.prefix.route_type = 1; /* XXX - fixup to type-1 def */ | |
82732723 | 3895 | dummy_prefix.prefix.ead_addr.ip.ipa_type = nh.ipa_type; |
7bfa7d02 AK |
3896 | |
3897 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) { | |
3898 | stream_get(&rmac, s, sizeof(rmac)); | |
3899 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
3900 | zlog_debug( |
3901 | "evpn remote nh %d %pIA rmac %pEA add pfx %pFX", | |
3902 | vrf_id, &nh, &rmac, &dummy_prefix); | |
32367e7a | 3903 | zebra_rib_queue_evpn_route_add(vrf_id, &rmac, &nh, |
7bfa7d02 AK |
3904 | (struct prefix *)&dummy_prefix); |
3905 | } else { | |
3906 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
3907 | zlog_debug("evpn remote nh %d %pIA del pfx %pFX", |
3908 | vrf_id, &nh, &dummy_prefix); | |
32367e7a | 3909 | zebra_rib_queue_evpn_route_del(vrf_id, &nh, |
7bfa7d02 AK |
3910 | (struct prefix *)&dummy_prefix); |
3911 | } | |
3912 | } | |
3913 | ||
ce5160c0 | 3914 | /*****************************************************************************/ |
b169fd6f AK |
3915 | void zebra_evpn_mh_config_write(struct vty *vty) |
3916 | { | |
c36e442c AK |
3917 | if (zmh_info->mac_hold_time != ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF) |
3918 | vty_out(vty, "evpn mh mac-holdtime %d\n", | |
b169fd6f AK |
3919 | zmh_info->mac_hold_time); |
3920 | ||
c36e442c AK |
3921 | if (zmh_info->neigh_hold_time != ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF) |
3922 | vty_out(vty, "evpn mh neigh-holdtime %d\n", | |
b169fd6f | 3923 | zmh_info->neigh_hold_time); |
c36e442c AK |
3924 | |
3925 | if (zmh_info->startup_delay_time != ZEBRA_EVPN_MH_STARTUP_DELAY_DEF) | |
3926 | vty_out(vty, "evpn mh startup-delay %d\n", | |
3927 | zmh_info->startup_delay_time); | |
15400f95 AK |
3928 | |
3929 | if (zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF) | |
3930 | vty_out(vty, "evpn mh redirect-off\n"); | |
b169fd6f AK |
3931 | } |
3932 | ||
3933 | int zebra_evpn_mh_neigh_holdtime_update(struct vty *vty, | |
3934 | uint32_t duration, bool set_default) | |
3935 | { | |
3936 | if (set_default) | |
c36e442c | 3937 | duration = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; |
b169fd6f AK |
3938 | |
3939 | zmh_info->neigh_hold_time = duration; | |
3940 | ||
3941 | return 0; | |
3942 | } | |
3943 | ||
3944 | int zebra_evpn_mh_mac_holdtime_update(struct vty *vty, | |
3945 | uint32_t duration, bool set_default) | |
3946 | { | |
3947 | if (set_default) | |
c36e442c | 3948 | duration = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
b169fd6f AK |
3949 | |
3950 | zmh_info->mac_hold_time = duration; | |
3951 | ||
3952 | return 0; | |
3953 | } | |
3954 | ||
c36e442c AK |
3955 | int zebra_evpn_mh_startup_delay_update(struct vty *vty, uint32_t duration, |
3956 | bool set_default) | |
3957 | { | |
3958 | if (set_default) | |
3959 | duration = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
3960 | ||
3961 | zmh_info->startup_delay_time = duration; | |
dc261b8d AK |
3962 | |
3963 | /* if startup_delay_timer is running allow it to be adjusted | |
3964 | * up or down | |
3965 | */ | |
3966 | if (zmh_info->startup_delay_timer) | |
3967 | zebra_evpn_mh_startup_delay_timer_start("config"); | |
c36e442c AK |
3968 | |
3969 | return 0; | |
3970 | } | |
3971 | ||
15400f95 AK |
3972 | int zebra_evpn_mh_redirect_off(struct vty *vty, bool redirect_off) |
3973 | { | |
3974 | /* This knob needs to be set before ESs are configured | |
3975 | * i.e. cannot be changed on the fly | |
3976 | */ | |
3977 | if (redirect_off) | |
3978 | zmh_info->flags |= ZEBRA_EVPN_MH_REDIRECT_OFF; | |
3979 | else | |
3980 | zmh_info->flags &= ~ZEBRA_EVPN_MH_REDIRECT_OFF; | |
3981 | ||
3982 | return 0; | |
3983 | } | |
3984 | ||
ce5160c0 AK |
3985 | void zebra_evpn_interface_init(void) |
3986 | { | |
3987 | install_element(INTERFACE_NODE, &zebra_evpn_es_id_cmd); | |
3988 | install_element(INTERFACE_NODE, &zebra_evpn_es_sys_mac_cmd); | |
1103c5c6 | 3989 | install_element(INTERFACE_NODE, &zebra_evpn_es_pref_cmd); |
00a7710c | 3990 | install_element(INTERFACE_NODE, &zebra_evpn_es_bypass_cmd); |
c36e442c | 3991 | install_element(INTERFACE_NODE, &zebra_evpn_mh_uplink_cmd); |
ce5160c0 AK |
3992 | } |
3993 | ||
3994 | void zebra_evpn_mh_init(void) | |
3995 | { | |
3996 | zrouter.mh_info = XCALLOC(MTYPE_ZMH_INFO, sizeof(*zrouter.mh_info)); | |
3997 | ||
c36e442c AK |
3998 | zmh_info->mac_hold_time = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
3999 | zmh_info->neigh_hold_time = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; | |
ce5160c0 AK |
4000 | /* setup ES tables */ |
4001 | RB_INIT(zebra_es_rb_head, &zmh_info->es_rb_tree); | |
4002 | zmh_info->local_es_list = list_new(); | |
4003 | listset_app_node_mem(zmh_info->local_es_list); | |
4004 | ||
4005 | bf_init(zmh_info->nh_id_bitmap, EVPN_NH_ID_MAX); | |
4006 | bf_assign_zero_index(zmh_info->nh_id_bitmap); | |
15400f95 AK |
4007 | zmh_info->nhg_table = hash_create(zebra_evpn_nhg_hash_keymake, |
4008 | zebra_evpn_nhg_cmp, "l2 NHG table"); | |
5de10c37 AK |
4009 | zmh_info->nh_ip_table = |
4010 | hash_create(zebra_evpn_nh_ip_hash_keymake, zebra_evpn_nh_ip_cmp, | |
4011 | "l2 NH IP table"); | |
ce5160c0 AK |
4012 | |
4013 | /* setup broadcast domain tables */ | |
4014 | zmh_info->evpn_vlan_table = hash_create(zebra_evpn_acc_vl_hash_keymake, | |
4015 | zebra_evpn_acc_vl_cmp, "access VLAN hash table"); | |
c36e442c AK |
4016 | |
4017 | zmh_info->startup_delay_time = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
dc261b8d | 4018 | zebra_evpn_mh_startup_delay_timer_start("init"); |
ce5160c0 AK |
4019 | } |
4020 | ||
4021 | void zebra_evpn_mh_terminate(void) | |
4022 | { | |
4023 | list_delete(&zmh_info->local_es_list); | |
4024 | ||
4025 | hash_iterate(zmh_info->evpn_vlan_table, | |
4026 | zebra_evpn_acc_vl_cleanup_all, NULL); | |
4027 | hash_free(zmh_info->evpn_vlan_table); | |
5de10c37 AK |
4028 | hash_free(zmh_info->nhg_table); |
4029 | hash_free(zmh_info->nh_ip_table); | |
de86cc5b | 4030 | bf_free(zmh_info->nh_id_bitmap); |
823d80d1 DS |
4031 | |
4032 | XFREE(MTYPE_ZMH_INFO, zrouter.mh_info); | |
ce5160c0 | 4033 | } |