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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 */ | |
573 | if (!hash_get(zmh_info->evpn_vlan_table, acc_bd, hash_alloc_intern)) { | |
574 | XFREE(MTYPE_ZACC_BD, acc_bd); | |
575 | return NULL; | |
576 | } | |
577 | ||
243b74ed AK |
578 | /* check if an svi exists for the vlan */ |
579 | if (br_if) { | |
580 | vlan_if = zvni_map_to_svi(vid, br_if); | |
581 | if (vlan_if) { | |
582 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
583 | zlog_debug("vlan %d SVI %s set", vid, | |
584 | vlan_if->name); | |
585 | acc_bd->vlan_zif = vlan_if->info; | |
586 | } | |
587 | } | |
ce5160c0 AK |
588 | return acc_bd; |
589 | } | |
590 | ||
591 | /* Free VLAN based broadcast domain - | |
592 | * This just frees appropriate memory, caller should have taken other | |
593 | * needed actions. | |
594 | */ | |
595 | static void zebra_evpn_acc_vl_free(struct zebra_evpn_access_bd *acc_bd) | |
596 | { | |
597 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
598 | zlog_debug("access vlan %d del", acc_bd->vid); | |
599 | ||
243b74ed AK |
600 | if (acc_bd->vlan_zif && acc_bd->zevpn && acc_bd->zevpn->mac_table) |
601 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
602 | ||
ce5160c0 AK |
603 | /* cleanup resources maintained against the ES */ |
604 | list_delete(&acc_bd->mbr_zifs); | |
605 | ||
606 | /* remove EVI from various tables */ | |
607 | hash_release(zmh_info->evpn_vlan_table, acc_bd); | |
608 | ||
609 | XFREE(MTYPE_ZACC_BD, acc_bd); | |
610 | } | |
611 | ||
612 | static void zebra_evpn_acc_vl_cleanup_all(struct hash_bucket *bucket, void *arg) | |
613 | { | |
614 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
615 | ||
616 | zebra_evpn_acc_vl_free(acc_bd); | |
617 | } | |
618 | ||
619 | /* called when a bd mbr is removed or VxLAN_IF is diassociated from the access | |
620 | * VLAN | |
621 | */ | |
622 | static void zebra_evpn_acc_bd_free_on_deref(struct zebra_evpn_access_bd *acc_bd) | |
623 | { | |
624 | if (!list_isempty(acc_bd->mbr_zifs) || acc_bd->vxlan_zif) | |
625 | return; | |
626 | ||
627 | /* if there are no references free the EVI */ | |
628 | zebra_evpn_acc_vl_free(acc_bd); | |
629 | } | |
630 | ||
243b74ed AK |
631 | /* called when a SVI is goes up/down */ |
632 | void zebra_evpn_acc_bd_svi_set(struct zebra_if *vlan_zif, | |
633 | struct zebra_if *br_zif, bool is_up) | |
634 | { | |
635 | struct zebra_evpn_access_bd *acc_bd; | |
636 | struct zebra_l2info_bridge *br; | |
637 | uint16_t vid; | |
638 | struct zebra_if *tmp_br_zif = br_zif; | |
639 | ||
640 | if (!tmp_br_zif) { | |
3b63732a | 641 | if (!vlan_zif->link || !vlan_zif->link->info) |
243b74ed AK |
642 | return; |
643 | ||
644 | tmp_br_zif = vlan_zif->link->info; | |
645 | } | |
646 | ||
647 | br = &tmp_br_zif->l2info.br; | |
648 | /* ignore vlan unaware bridges */ | |
649 | if (!br->vlan_aware) | |
650 | return; | |
651 | ||
652 | vid = vlan_zif->l2info.vl.vid; | |
653 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
654 | if (!acc_bd) | |
655 | return; | |
656 | ||
657 | if (is_up) { | |
658 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
659 | zlog_debug("vlan %d SVI %s set", vid, | |
660 | vlan_zif->ifp->name); | |
661 | ||
662 | acc_bd->vlan_zif = vlan_zif; | |
663 | if (acc_bd->zevpn) | |
664 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
665 | acc_bd->zevpn); | |
666 | } else if (acc_bd->vlan_zif) { | |
667 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
668 | zlog_debug("vlan %d SVI clear", vid); | |
669 | acc_bd->vlan_zif = NULL; | |
670 | if (acc_bd->zevpn && acc_bd->zevpn->mac_table) | |
671 | zebra_evpn_mac_svi_del(vlan_zif->ifp, acc_bd->zevpn); | |
672 | } | |
673 | } | |
674 | ||
675 | /* On some events macs are force-flushed. This api can be used to reinstate | |
676 | * the svi-mac after such cleanup-events. | |
677 | */ | |
678 | void zebra_evpn_acc_bd_svi_mac_add(struct interface *vlan_if) | |
679 | { | |
680 | zebra_evpn_acc_bd_svi_set(vlan_if->info, NULL, | |
681 | if_is_operative(vlan_if)); | |
682 | } | |
683 | ||
ce5160c0 | 684 | /* called when a EVPN-L2VNI is set or cleared against a BD */ |
87d76d54 | 685 | static void zebra_evpn_acc_bd_evpn_set(struct zebra_evpn_access_bd *acc_bd, |
f6371c34 DS |
686 | struct zebra_evpn *zevpn, |
687 | struct zebra_evpn *old_zevpn) | |
ce5160c0 AK |
688 | { |
689 | struct zebra_if *zif; | |
690 | struct listnode *node; | |
691 | ||
692 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
693 | zlog_debug("access vlan %d l2-vni %u set", | |
87d76d54 | 694 | acc_bd->vid, zevpn ? zevpn->vni : 0); |
ce5160c0 AK |
695 | |
696 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
697 | if (!zif->es_info.es) | |
698 | continue; | |
699 | ||
87d76d54 PR |
700 | if (zevpn) |
701 | zebra_evpn_local_es_evi_add(zif->es_info.es, zevpn); | |
702 | else if (old_zevpn) | |
703 | zebra_evpn_local_es_evi_del(zif->es_info.es, old_zevpn); | |
ce5160c0 | 704 | } |
243b74ed AK |
705 | |
706 | if (acc_bd->vlan_zif) { | |
707 | if (zevpn) | |
708 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
709 | acc_bd->zevpn); | |
710 | else if (old_zevpn && old_zevpn->mac_table) | |
711 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, | |
712 | old_zevpn); | |
713 | } | |
ce5160c0 AK |
714 | } |
715 | ||
716 | /* handle VLAN->VxLAN_IF association */ | |
717 | void zebra_evpn_vl_vxl_ref(uint16_t vid, struct zebra_if *vxlan_zif) | |
718 | { | |
719 | struct zebra_evpn_access_bd *acc_bd; | |
720 | struct zebra_if *old_vxlan_zif; | |
f6371c34 | 721 | struct zebra_evpn *old_zevpn; |
ce5160c0 AK |
722 | |
723 | if (!vid) | |
724 | return; | |
725 | ||
726 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
727 | if (!acc_bd) | |
243b74ed AK |
728 | acc_bd = zebra_evpn_acc_vl_new(vid, |
729 | vxlan_zif->brslave_info.br_if); | |
ce5160c0 AK |
730 | |
731 | old_vxlan_zif = acc_bd->vxlan_zif; | |
732 | acc_bd->vxlan_zif = vxlan_zif; | |
733 | if (vxlan_zif == old_vxlan_zif) | |
734 | return; | |
735 | ||
87d76d54 | 736 | old_zevpn = acc_bd->zevpn; |
8b5fdf2e | 737 | acc_bd->zevpn = zebra_evpn_lookup(vxlan_zif->l2info.vxl.vni); |
87d76d54 | 738 | if (acc_bd->zevpn == old_zevpn) |
ce5160c0 AK |
739 | return; |
740 | ||
741 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
742 | zlog_debug("access vlan %d vni %u ref", | |
743 | acc_bd->vid, vxlan_zif->l2info.vxl.vni); | |
744 | ||
87d76d54 PR |
745 | if (old_zevpn) |
746 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 | 747 | |
87d76d54 PR |
748 | if (acc_bd->zevpn) |
749 | zebra_evpn_acc_bd_evpn_set(acc_bd, acc_bd->zevpn, NULL); | |
ce5160c0 AK |
750 | } |
751 | ||
752 | /* handle VLAN->VxLAN_IF deref */ | |
753 | void zebra_evpn_vl_vxl_deref(uint16_t vid, struct zebra_if *vxlan_zif) | |
754 | { | |
755 | struct zebra_evpn_access_bd *acc_bd; | |
756 | ||
757 | if (!vid) | |
758 | return; | |
759 | ||
760 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
761 | if (!acc_bd) | |
762 | return; | |
763 | ||
764 | /* clear vxlan_if only if it matches */ | |
765 | if (acc_bd->vxlan_zif != vxlan_zif) | |
766 | return; | |
767 | ||
768 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
769 | zlog_debug("access vlan %d vni %u deref", | |
770 | acc_bd->vid, vxlan_zif->l2info.vxl.vni); | |
771 | ||
87d76d54 PR |
772 | if (acc_bd->zevpn) |
773 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, acc_bd->zevpn); | |
ce5160c0 | 774 | |
87d76d54 | 775 | acc_bd->zevpn = NULL; |
ce5160c0 AK |
776 | acc_bd->vxlan_zif = NULL; |
777 | ||
778 | /* if there are no other references the access_bd can be freed */ | |
779 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
780 | } | |
781 | ||
87d76d54 | 782 | /* handle EVPN add/del */ |
f6371c34 DS |
783 | void zebra_evpn_vxl_evpn_set(struct zebra_if *zif, struct zebra_evpn *zevpn, |
784 | bool set) | |
ce5160c0 AK |
785 | { |
786 | struct zebra_l2info_vxlan *vxl; | |
787 | struct zebra_evpn_access_bd *acc_bd; | |
788 | ||
789 | if (!zif) | |
790 | return; | |
791 | ||
792 | /* locate access_bd associated with the vxlan device */ | |
793 | vxl = &zif->l2info.vxl; | |
794 | acc_bd = zebra_evpn_acc_vl_find(vxl->access_vlan); | |
795 | if (!acc_bd) | |
796 | return; | |
797 | ||
798 | if (set) { | |
87d76d54 PR |
799 | zebra_evpn_es_set_base_evpn(zevpn); |
800 | if (acc_bd->zevpn != zevpn) { | |
801 | acc_bd->zevpn = zevpn; | |
802 | zebra_evpn_acc_bd_evpn_set(acc_bd, zevpn, NULL); | |
ce5160c0 AK |
803 | } |
804 | } else { | |
87d76d54 | 805 | if (acc_bd->zevpn) { |
f6371c34 | 806 | struct zebra_evpn *old_zevpn = acc_bd->zevpn; |
87d76d54 PR |
807 | acc_bd->zevpn = NULL; |
808 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 AK |
809 | } |
810 | } | |
811 | } | |
812 | ||
813 | /* handle addition of new VLAN members */ | |
814 | void zebra_evpn_vl_mbr_ref(uint16_t vid, struct zebra_if *zif) | |
815 | { | |
816 | struct zebra_evpn_access_bd *acc_bd; | |
817 | ||
818 | if (!vid) | |
819 | return; | |
820 | ||
821 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
822 | if (!acc_bd) | |
243b74ed | 823 | acc_bd = zebra_evpn_acc_vl_new(vid, zif->brslave_info.br_if); |
ce5160c0 AK |
824 | |
825 | if (listnode_lookup(acc_bd->mbr_zifs, zif)) | |
826 | return; | |
827 | ||
828 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
829 | zlog_debug("access vlan %d mbr %s ref", | |
830 | vid, zif->ifp->name); | |
831 | ||
832 | listnode_add(acc_bd->mbr_zifs, zif); | |
87d76d54 PR |
833 | if (acc_bd->zevpn && zif->es_info.es) |
834 | zebra_evpn_local_es_evi_add(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
835 | } |
836 | ||
837 | /* handle deletion of VLAN members */ | |
838 | void zebra_evpn_vl_mbr_deref(uint16_t vid, struct zebra_if *zif) | |
839 | { | |
840 | struct zebra_evpn_access_bd *acc_bd; | |
841 | struct listnode *node; | |
842 | ||
843 | if (!vid) | |
844 | return; | |
845 | ||
846 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
847 | if (!acc_bd) | |
848 | return; | |
849 | ||
850 | node = listnode_lookup(acc_bd->mbr_zifs, zif); | |
851 | if (!node) | |
852 | return; | |
853 | ||
854 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
855 | zlog_debug("access vlan %d mbr %s deref", | |
856 | vid, zif->ifp->name); | |
857 | ||
858 | list_delete_node(acc_bd->mbr_zifs, node); | |
859 | ||
87d76d54 PR |
860 | if (acc_bd->zevpn && zif->es_info.es) |
861 | zebra_evpn_local_es_evi_del(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
862 | |
863 | /* if there are no other references the access_bd can be freed */ | |
864 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
865 | } | |
866 | ||
243b74ed AK |
867 | static void zebra_evpn_acc_vl_adv_svi_mac_cb(struct hash_bucket *bucket, |
868 | void *ctxt) | |
869 | { | |
870 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
871 | ||
872 | if (acc_bd->vlan_zif && acc_bd->zevpn) | |
873 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
874 | } | |
875 | ||
876 | /* called when advertise SVI MAC is enabled on the switch */ | |
877 | static void zebra_evpn_acc_vl_adv_svi_mac_all(void) | |
878 | { | |
879 | hash_iterate(zmh_info->evpn_vlan_table, | |
880 | zebra_evpn_acc_vl_adv_svi_mac_cb, NULL); | |
881 | } | |
882 | ||
acffa256 AK |
883 | static void zebra_evpn_acc_vl_json_fill(struct zebra_evpn_access_bd *acc_bd, |
884 | json_object *json, bool detail) | |
885 | { | |
886 | json_object_int_add(json, "vlan", acc_bd->vid); | |
887 | if (acc_bd->vxlan_zif) | |
888 | json_object_string_add(json, "vxlanIf", | |
889 | acc_bd->vxlan_zif->ifp->name); | |
890 | if (acc_bd->zevpn) | |
891 | json_object_int_add(json, "vni", acc_bd->zevpn->vni); | |
892 | if (acc_bd->mbr_zifs) | |
893 | json_object_int_add(json, "memberIfCount", | |
894 | listcount(acc_bd->mbr_zifs)); | |
895 | ||
896 | if (detail) { | |
897 | json_object *json_mbrs; | |
898 | json_object *json_mbr; | |
899 | struct zebra_if *zif; | |
900 | struct listnode *node; | |
901 | ||
902 | ||
903 | json_mbrs = json_object_new_array(); | |
904 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
905 | json_mbr = json_object_new_object(); | |
906 | json_object_string_add(json_mbr, "ifName", | |
907 | zif->ifp->name); | |
908 | json_object_array_add(json_mbrs, json_mbr); | |
909 | } | |
910 | json_object_object_add(json, "members", json_mbrs); | |
911 | } | |
912 | } | |
913 | ||
ce5160c0 AK |
914 | static void zebra_evpn_acc_vl_show_entry_detail(struct vty *vty, |
915 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
916 | { | |
917 | struct zebra_if *zif; | |
918 | struct listnode *node; | |
919 | ||
920 | if (json) { | |
acffa256 | 921 | zebra_evpn_acc_vl_json_fill(acc_bd, json, true); |
ce5160c0 AK |
922 | } else { |
923 | vty_out(vty, "VLAN: %u\n", acc_bd->vid); | |
924 | vty_out(vty, " VxLAN Interface: %s\n", | |
925 | acc_bd->vxlan_zif ? | |
926 | acc_bd->vxlan_zif->ifp->name : "-"); | |
243b74ed AK |
927 | vty_out(vty, " SVI: %s\n", |
928 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-"); | |
ce5160c0 | 929 | vty_out(vty, " L2-VNI: %d\n", |
87d76d54 | 930 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0); |
ce5160c0 AK |
931 | vty_out(vty, " Member Count: %d\n", |
932 | listcount(acc_bd->mbr_zifs)); | |
933 | vty_out(vty, " Members: \n"); | |
934 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) | |
935 | vty_out(vty, " %s\n", zif->ifp->name); | |
936 | vty_out(vty, "\n"); | |
937 | } | |
938 | } | |
939 | ||
940 | static void zebra_evpn_acc_vl_show_entry(struct vty *vty, | |
941 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
942 | { | |
acffa256 AK |
943 | if (json) { |
944 | zebra_evpn_acc_vl_json_fill(acc_bd, json, false); | |
945 | } else { | |
243b74ed AK |
946 | vty_out(vty, "%-5u %-15s %-8d %-15s %u\n", acc_bd->vid, |
947 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-", | |
948 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0, | |
949 | acc_bd->vxlan_zif ? acc_bd->vxlan_zif->ifp->name : "-", | |
950 | listcount(acc_bd->mbr_zifs)); | |
acffa256 | 951 | } |
ce5160c0 AK |
952 | } |
953 | ||
954 | static void zebra_evpn_acc_vl_show_hash(struct hash_bucket *bucket, void *ctxt) | |
955 | { | |
956 | struct evpn_mh_show_ctx *wctx = ctxt; | |
957 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
acffa256 | 958 | json_object *json = NULL; |
ce5160c0 | 959 | |
acffa256 AK |
960 | if (wctx->json) |
961 | json = json_object_new_object(); | |
ce5160c0 | 962 | if (wctx->detail) |
acffa256 | 963 | zebra_evpn_acc_vl_show_entry_detail(wctx->vty, acc_bd, json); |
ce5160c0 | 964 | else |
acffa256 AK |
965 | zebra_evpn_acc_vl_show_entry(wctx->vty, acc_bd, json); |
966 | if (json) | |
967 | json_object_array_add(wctx->json, json); | |
ce5160c0 AK |
968 | } |
969 | ||
970 | void zebra_evpn_acc_vl_show(struct vty *vty, bool uj) | |
971 | { | |
ce5160c0 | 972 | struct evpn_mh_show_ctx wctx; |
acffa256 AK |
973 | json_object *json_array = NULL; |
974 | ||
975 | if (uj) | |
976 | json_array = json_object_new_array(); | |
ce5160c0 AK |
977 | |
978 | memset(&wctx, 0, sizeof(wctx)); | |
979 | wctx.vty = vty; | |
acffa256 | 980 | wctx.json = json_array; |
ce5160c0 AK |
981 | wctx.detail = false; |
982 | ||
acffa256 | 983 | if (!uj) |
243b74ed AK |
984 | vty_out(vty, "%-5s %-15s %-8s %-15s %s\n", "VLAN", "SVI", |
985 | "L2-VNI", "VXLAN-IF", "# Members"); | |
ce5160c0 AK |
986 | |
987 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
988 | &wctx); | |
acffa256 | 989 | |
c48349e3 | 990 | if (uj) |
962af8a8 | 991 | vty_json(vty, json_array); |
ce5160c0 AK |
992 | } |
993 | ||
994 | void zebra_evpn_acc_vl_show_detail(struct vty *vty, bool uj) | |
995 | { | |
ce5160c0 | 996 | struct evpn_mh_show_ctx wctx; |
acffa256 | 997 | json_object *json_array = NULL; |
ce5160c0 | 998 | |
acffa256 AK |
999 | if (uj) |
1000 | json_array = json_object_new_array(); | |
ce5160c0 AK |
1001 | memset(&wctx, 0, sizeof(wctx)); |
1002 | wctx.vty = vty; | |
acffa256 | 1003 | wctx.json = json_array; |
ce5160c0 AK |
1004 | wctx.detail = true; |
1005 | ||
1006 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1007 | &wctx); | |
acffa256 | 1008 | |
c48349e3 | 1009 | if (uj) |
962af8a8 | 1010 | vty_json(vty, json_array); |
ce5160c0 AK |
1011 | } |
1012 | ||
1013 | void zebra_evpn_acc_vl_show_vid(struct vty *vty, bool uj, vlanid_t vid) | |
1014 | { | |
1015 | json_object *json = NULL; | |
1016 | struct zebra_evpn_access_bd *acc_bd; | |
1017 | ||
acffa256 AK |
1018 | if (uj) |
1019 | json = json_object_new_object(); | |
1020 | ||
ce5160c0 | 1021 | acc_bd = zebra_evpn_acc_vl_find(vid); |
acffa256 AK |
1022 | if (acc_bd) { |
1023 | zebra_evpn_acc_vl_show_entry_detail(vty, acc_bd, json); | |
1024 | } else { | |
1025 | if (!json) | |
ce5160c0 | 1026 | vty_out(vty, "VLAN %u not present\n", vid); |
ce5160c0 | 1027 | } |
acffa256 | 1028 | |
c48349e3 | 1029 | if (uj) |
962af8a8 | 1030 | vty_json(vty, json); |
ce5160c0 AK |
1031 | } |
1032 | ||
1033 | /* Initialize VLAN member bitmap on an interface. Although VLAN membership | |
1034 | * is independent of EVPN we only process it if its of interest to EVPN-MH | |
1035 | * i.e. on access ports that can be setup as Ethernet Segments. And that is | |
1036 | * intended as an optimization. | |
1037 | */ | |
1038 | void zebra_evpn_if_init(struct zebra_if *zif) | |
1039 | { | |
1040 | if (!zebra_evpn_is_if_es_capable(zif)) | |
1041 | return; | |
1042 | ||
1043 | if (!bf_is_inited(zif->vlan_bitmap)) | |
1044 | bf_init(zif->vlan_bitmap, IF_VLAN_BITMAP_MAX); | |
1045 | ||
1046 | /* if an es_id and sysmac are already present against the interface | |
1047 | * activate it | |
1048 | */ | |
325d694b | 1049 | zebra_evpn_local_es_update(zif, &zif->es_info.esi); |
ce5160c0 AK |
1050 | } |
1051 | ||
1052 | /* handle deletion of an access port by removing it from all associated | |
1053 | * broadcast domains. | |
1054 | */ | |
1055 | void zebra_evpn_if_cleanup(struct zebra_if *zif) | |
1056 | { | |
1057 | vlanid_t vid; | |
ab06b033 | 1058 | struct zebra_evpn_es *es; |
ce5160c0 | 1059 | |
6e59c4a7 AK |
1060 | if (bf_is_inited(zif->vlan_bitmap)) { |
1061 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) | |
1062 | { | |
1063 | zebra_evpn_vl_mbr_deref(vid, zif); | |
1064 | } | |
ce5160c0 | 1065 | |
6e59c4a7 | 1066 | bf_free(zif->vlan_bitmap); |
ce5160c0 AK |
1067 | } |
1068 | ||
ce5160c0 | 1069 | /* Delete associated Ethernet Segment */ |
ab06b033 AK |
1070 | es = zif->es_info.es; |
1071 | if (es) | |
1072 | zebra_evpn_local_es_del(&es); | |
ce5160c0 AK |
1073 | } |
1074 | ||
1075 | /***************************************************************************** | |
1076 | * L2 NH/NHG Management | |
1077 | * A L2 NH entry is programmed in the kernel for every ES-VTEP entry. This | |
1078 | * NH is then added to the L2-ECMP-NHG associated with the ES. | |
1079 | */ | |
15400f95 | 1080 | static uint32_t zebra_evpn_nhid_alloc(struct zebra_evpn_es *es) |
ce5160c0 AK |
1081 | { |
1082 | uint32_t id; | |
15400f95 | 1083 | uint32_t nh_id; |
ce5160c0 AK |
1084 | |
1085 | bf_assign_index(zmh_info->nh_id_bitmap, id); | |
1086 | ||
1087 | if (!id) | |
1088 | return 0; | |
1089 | ||
15400f95 AK |
1090 | if (es) { |
1091 | nh_id = id | EVPN_NHG_ID_TYPE_BIT; | |
1092 | /* Add to NHG hash */ | |
1093 | es->nhg_id = nh_id; | |
1094 | if (!hash_get(zmh_info->nhg_table, es, hash_alloc_intern)) { | |
1095 | bf_release_index(zmh_info->nh_id_bitmap, id); | |
1096 | return 0; | |
1097 | } | |
1098 | } else { | |
1099 | nh_id = id | EVPN_NH_ID_TYPE_BIT; | |
1100 | } | |
1101 | ||
1102 | return nh_id; | |
ce5160c0 AK |
1103 | } |
1104 | ||
15400f95 | 1105 | static void zebra_evpn_nhid_free(uint32_t nh_id, struct zebra_evpn_es *es) |
ce5160c0 AK |
1106 | { |
1107 | uint32_t id = (nh_id & EVPN_NH_ID_VAL_MASK); | |
1108 | ||
1109 | if (!id) | |
1110 | return; | |
1111 | ||
15400f95 AK |
1112 | if (es) { |
1113 | hash_release(zmh_info->nhg_table, es); | |
1114 | es->nhg_id = 0; | |
1115 | } | |
1116 | ||
ce5160c0 AK |
1117 | bf_release_index(zmh_info->nh_id_bitmap, id); |
1118 | } | |
1119 | ||
5de10c37 AK |
1120 | static unsigned int zebra_evpn_nh_ip_hash_keymake(const void *p) |
1121 | { | |
1122 | const struct zebra_evpn_l2_nh *nh = p; | |
1123 | ||
1124 | return jhash_1word(nh->vtep_ip.s_addr, 0); | |
1125 | } | |
1126 | ||
1127 | static bool zebra_evpn_nh_ip_cmp(const void *p1, const void *p2) | |
1128 | { | |
1129 | const struct zebra_evpn_l2_nh *nh1 = p1; | |
1130 | const struct zebra_evpn_l2_nh *nh2 = p2; | |
1131 | ||
1132 | if (nh1 == NULL && nh2 == NULL) | |
1133 | return true; | |
1134 | ||
1135 | if (nh1 == NULL || nh2 == NULL) | |
1136 | return false; | |
1137 | ||
1138 | return (nh1->vtep_ip.s_addr == nh2->vtep_ip.s_addr); | |
1139 | } | |
1140 | ||
15400f95 AK |
1141 | static unsigned int zebra_evpn_nhg_hash_keymake(const void *p) |
1142 | { | |
1143 | const struct zebra_evpn_es *es = p; | |
1144 | ||
1145 | return jhash_1word(es->nhg_id, 0); | |
1146 | } | |
1147 | ||
1148 | static bool zebra_evpn_nhg_cmp(const void *p1, const void *p2) | |
1149 | { | |
1150 | const struct zebra_evpn_es *es1 = p1; | |
1151 | const struct zebra_evpn_es *es2 = p2; | |
1152 | ||
1153 | if (es1 == NULL && es2 == NULL) | |
1154 | return true; | |
1155 | ||
1156 | if (es1 == NULL || es2 == NULL) | |
1157 | return false; | |
1158 | ||
1159 | return (es1->nhg_id == es2->nhg_id); | |
1160 | } | |
1161 | ||
1162 | /* Lookup ES using the NHG id associated with it */ | |
1163 | static struct zebra_evpn_es *zebra_evpn_nhg_find(uint32_t nhg_id) | |
1164 | { | |
1165 | struct zebra_evpn_es *es; | |
1166 | struct zebra_evpn_es tmp; | |
1167 | ||
1168 | tmp.nhg_id = nhg_id; | |
1169 | es = hash_lookup(zmh_info->nhg_table, &tmp); | |
1170 | ||
1171 | return es; | |
1172 | } | |
1173 | ||
1174 | /* Returns TRUE if the NHG is associated with a local ES */ | |
1175 | bool zebra_evpn_nhg_is_local_es(uint32_t nhg_id, | |
1176 | struct zebra_evpn_es **local_es) | |
1177 | { | |
1178 | struct zebra_evpn_es *es; | |
1179 | ||
1180 | es = zebra_evpn_nhg_find(nhg_id); | |
1181 | if (es && (es->flags & ZEBRA_EVPNES_LOCAL)) { | |
1182 | *local_es = es; | |
1183 | return true; | |
1184 | } | |
1185 | ||
1186 | *local_es = NULL; | |
1187 | return false; | |
1188 | } | |
1189 | ||
f3722826 AK |
1190 | /* update remote macs associated with the ES */ |
1191 | static void zebra_evpn_nhg_mac_update(struct zebra_evpn_es *es) | |
1192 | { | |
3198b2b3 | 1193 | struct zebra_mac *mac; |
f3722826 | 1194 | struct listnode *node; |
15400f95 | 1195 | bool local_via_nw; |
f3722826 | 1196 | |
15400f95 AK |
1197 | local_via_nw = zebra_evpn_es_local_mac_via_network_port(es); |
1198 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1199 | zlog_debug("mac update on es %s nhg %s", es->esi_str, | |
1200 | (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1201 | ? "activate" | |
1202 | : "de-activate"); | |
f3722826 | 1203 | |
15400f95 AK |
1204 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { |
1205 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1206 | || (local_via_nw && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
1207 | && zebra_evpn_mac_is_static(mac))) { | |
1208 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1209 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1210 | zlog_debug( | |
1211 | "%smac %pEA install via es %s nhg 0x%x", | |
1212 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1213 | ? "rem" | |
1214 | : "local-nw", | |
1215 | &mac->macaddr, es->esi_str, | |
1216 | es->nhg_id); | |
1217 | zebra_evpn_rem_mac_install( | |
1218 | mac->zevpn, mac, false /*was_static*/); | |
1219 | } else { | |
1220 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1221 | zlog_debug( | |
1222 | "%smac %pEA un-install es %s", | |
1223 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1224 | ? "rem" | |
1225 | : "local-nw", | |
1226 | &mac->macaddr, es->esi_str); | |
1227 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
1228 | true /*force*/); | |
1229 | } | |
1230 | } | |
f3722826 AK |
1231 | } |
1232 | } | |
1233 | ||
ce5160c0 AK |
1234 | /* The MAC ECMP group is activated on the first VTEP */ |
1235 | static void zebra_evpn_nhg_update(struct zebra_evpn_es *es) | |
1236 | { | |
1237 | uint32_t nh_cnt = 0; | |
1238 | struct nh_grp nh_ids[ES_VTEP_MAX_CNT]; | |
1239 | struct zebra_evpn_es_vtep *es_vtep; | |
1240 | struct listnode *node; | |
1241 | ||
1242 | if (!es->nhg_id) | |
1243 | return; | |
1244 | ||
1245 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
5de10c37 | 1246 | if (!es_vtep->nh) |
ce5160c0 AK |
1247 | continue; |
1248 | ||
1249 | if (nh_cnt >= ES_VTEP_MAX_CNT) | |
1250 | break; | |
1251 | ||
1252 | memset(&nh_ids[nh_cnt], 0, sizeof(struct nh_grp)); | |
5de10c37 | 1253 | nh_ids[nh_cnt].id = es_vtep->nh->nh_id; |
ce5160c0 AK |
1254 | ++nh_cnt; |
1255 | } | |
1256 | ||
1257 | if (nh_cnt) { | |
1258 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) { | |
1259 | char nh_str[ES_VTEP_LIST_STR_SZ]; | |
1260 | uint32_t i; | |
9e0c2fd1 | 1261 | char nh_buf[16]; |
ce5160c0 AK |
1262 | |
1263 | nh_str[0] = '\0'; | |
9e0c2fd1 AK |
1264 | for (i = 0; i < nh_cnt; ++i) { |
1265 | snprintf(nh_buf, sizeof(nh_buf), "%u ", | |
1266 | nh_ids[i].id); | |
1267 | strlcat(nh_str, nh_buf, sizeof(nh_str)); | |
1268 | } | |
dfa3d3d7 AK |
1269 | zlog_debug("es %s nhg %u add %s", es->esi_str, |
1270 | es->nhg_id, nh_str); | |
ce5160c0 AK |
1271 | } |
1272 | ||
ce5160c0 | 1273 | kernel_upd_mac_nhg(es->nhg_id, nh_cnt, nh_ids); |
28e80a03 AK |
1274 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) { |
1275 | es->flags |= ZEBRA_EVPNES_NHG_ACTIVE; | |
1276 | /* add backup NHG to the br-port */ | |
1277 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1278 | zebra_evpn_es_br_port_dplane_update(es, | |
1279 | __func__); | |
f3722826 | 1280 | zebra_evpn_nhg_mac_update(es); |
28e80a03 | 1281 | } |
ce5160c0 AK |
1282 | } else { |
1283 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1284 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
dfa3d3d7 AK |
1285 | zlog_debug("es %s nhg %u del", es->esi_str, |
1286 | es->nhg_id); | |
ce5160c0 | 1287 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; |
28e80a03 AK |
1288 | /* remove backup NHG from the br-port */ |
1289 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1290 | zebra_evpn_es_br_port_dplane_update(es, | |
1291 | __func__); | |
f3722826 | 1292 | zebra_evpn_nhg_mac_update(es); |
ce5160c0 AK |
1293 | kernel_del_mac_nhg(es->nhg_id); |
1294 | } | |
1295 | } | |
1296 | ||
ce5160c0 AK |
1297 | } |
1298 | ||
5de10c37 AK |
1299 | static void zebra_evpn_es_l2_nh_show_entry(struct zebra_evpn_l2_nh *nh, |
1300 | struct vty *vty, | |
1301 | json_object *json_array) | |
ce5160c0 | 1302 | { |
5de10c37 AK |
1303 | if (json_array) { |
1304 | json_object *json = NULL; | |
5de10c37 AK |
1305 | |
1306 | json = json_object_new_object(); | |
08edf9c6 | 1307 | json_object_string_addf(json, "vtep", "%pI4", &nh->vtep_ip); |
5de10c37 AK |
1308 | json_object_int_add(json, "nhId", nh->nh_id); |
1309 | json_object_int_add(json, "refCnt", nh->ref_cnt); | |
1310 | ||
1311 | json_object_array_add(json_array, json); | |
1312 | } else { | |
1313 | vty_out(vty, "%-16pI4 %-10u %u\n", &nh->vtep_ip, nh->nh_id, | |
1314 | nh->ref_cnt); | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | static void zebra_evpn_l2_nh_show_cb(struct hash_bucket *bucket, void *ctxt) | |
1319 | { | |
1320 | struct zebra_evpn_l2_nh *nh = (struct zebra_evpn_l2_nh *)bucket->data; | |
1321 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; | |
1322 | ||
1323 | zebra_evpn_es_l2_nh_show_entry(nh, wctx->vty, wctx->json); | |
1324 | } | |
1325 | ||
1326 | void zebra_evpn_l2_nh_show(struct vty *vty, bool uj) | |
1327 | { | |
1328 | struct evpn_mh_show_ctx wctx; | |
1329 | json_object *json_array = NULL; | |
1330 | ||
1331 | if (uj) { | |
1332 | json_array = json_object_new_array(); | |
1333 | } else { | |
1334 | vty_out(vty, "%-16s %-10s %s\n", "VTEP", "NH id", "#ES"); | |
1335 | } | |
1336 | ||
1337 | memset(&wctx, 0, sizeof(wctx)); | |
1338 | wctx.vty = vty; | |
1339 | wctx.json = json_array; | |
1340 | ||
1341 | hash_iterate(zmh_info->nh_ip_table, zebra_evpn_l2_nh_show_cb, &wctx); | |
1342 | ||
c48349e3 | 1343 | if (uj) |
962af8a8 | 1344 | vty_json(vty, json_array); |
5de10c37 AK |
1345 | } |
1346 | ||
1347 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_find(struct in_addr vtep_ip) | |
1348 | { | |
1349 | struct zebra_evpn_l2_nh *nh; | |
1350 | struct zebra_evpn_l2_nh tmp; | |
1351 | ||
1352 | tmp.vtep_ip.s_addr = vtep_ip.s_addr; | |
1353 | nh = hash_lookup(zmh_info->nh_ip_table, &tmp); | |
1354 | ||
1355 | return nh; | |
1356 | } | |
1357 | ||
1358 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_alloc(struct in_addr vtep_ip) | |
1359 | { | |
1360 | struct zebra_evpn_l2_nh *nh; | |
1361 | ||
1362 | nh = XCALLOC(MTYPE_L2_NH, sizeof(*nh)); | |
1363 | nh->vtep_ip = vtep_ip; | |
1364 | if (!hash_get(zmh_info->nh_ip_table, nh, hash_alloc_intern)) { | |
1365 | XFREE(MTYPE_L2_NH, nh); | |
1366 | return NULL; | |
1367 | } | |
1368 | ||
1369 | nh->nh_id = zebra_evpn_nhid_alloc(NULL); | |
1370 | if (!nh->nh_id) { | |
1371 | hash_release(zmh_info->nh_ip_table, nh); | |
1372 | XFREE(MTYPE_L2_NH, nh); | |
1373 | return NULL; | |
1374 | } | |
1375 | ||
1376 | /* install the NH in the dataplane */ | |
1377 | kernel_upd_mac_nh(nh->nh_id, nh->vtep_ip); | |
1378 | ||
1379 | return nh; | |
1380 | } | |
1381 | ||
1382 | static void zebra_evpn_l2_nh_free(struct zebra_evpn_l2_nh *nh) | |
1383 | { | |
1384 | /* delete the NH from the dataplane */ | |
1385 | kernel_del_mac_nh(nh->nh_id); | |
1386 | ||
1387 | zebra_evpn_nhid_free(nh->nh_id, NULL); | |
1388 | hash_release(zmh_info->nh_ip_table, nh); | |
1389 | XFREE(MTYPE_L2_NH, nh); | |
1390 | } | |
1391 | ||
1392 | static void zebra_evpn_l2_nh_es_vtep_ref(struct zebra_evpn_es_vtep *es_vtep) | |
1393 | { | |
1394 | if (es_vtep->nh) | |
ce5160c0 AK |
1395 | return; |
1396 | ||
5de10c37 AK |
1397 | es_vtep->nh = zebra_evpn_l2_nh_find(es_vtep->vtep_ip); |
1398 | if (!es_vtep->nh) | |
1399 | es_vtep->nh = zebra_evpn_l2_nh_alloc(es_vtep->vtep_ip); | |
ce5160c0 | 1400 | |
5de10c37 AK |
1401 | if (!es_vtep->nh) { |
1402 | zlog_warn("es %s vtep %pI4 nh ref failed", es_vtep->es->esi_str, | |
1403 | &es_vtep->vtep_ip); | |
ce5160c0 | 1404 | return; |
5de10c37 AK |
1405 | } |
1406 | ||
1407 | ++es_vtep->nh->ref_cnt; | |
ce5160c0 AK |
1408 | |
1409 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
5de10c37 AK |
1410 | zlog_debug("es %s vtep %pI4 nh %u ref %u", es_vtep->es->esi_str, |
1411 | &es_vtep->vtep_ip, es_vtep->nh->nh_id, | |
1412 | es_vtep->nh->ref_cnt); | |
1413 | ||
ce5160c0 AK |
1414 | /* add the NH to the parent NHG */ |
1415 | zebra_evpn_nhg_update(es_vtep->es); | |
1416 | } | |
1417 | ||
5de10c37 | 1418 | static void zebra_evpn_l2_nh_es_vtep_deref(struct zebra_evpn_es_vtep *es_vtep) |
ce5160c0 | 1419 | { |
5de10c37 | 1420 | struct zebra_evpn_l2_nh *nh = es_vtep->nh; |
ce5160c0 | 1421 | |
5de10c37 | 1422 | if (!nh) |
ce5160c0 AK |
1423 | return; |
1424 | ||
5de10c37 AK |
1425 | es_vtep->nh = NULL; |
1426 | if (nh->ref_cnt) | |
1427 | --nh->ref_cnt; | |
ce5160c0 | 1428 | |
5de10c37 AK |
1429 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) |
1430 | zlog_debug("es %s vtep %pI4 nh %u deref %u", | |
1431 | es_vtep->es->esi_str, &es_vtep->vtep_ip, nh->nh_id, | |
1432 | nh->ref_cnt); | |
ce5160c0 AK |
1433 | |
1434 | /* remove the NH from the parent NHG */ | |
1435 | zebra_evpn_nhg_update(es_vtep->es); | |
5de10c37 | 1436 | |
ce5160c0 | 1437 | /* uninstall the NH */ |
5de10c37 AK |
1438 | if (!nh->ref_cnt) |
1439 | zebra_evpn_l2_nh_free(nh); | |
ce5160c0 AK |
1440 | } |
1441 | ||
1442 | /*****************************************************************************/ | |
1443 | /* Ethernet Segment Management | |
1444 | * 1. Ethernet Segment is a collection of links attached to the same | |
1445 | * server (MHD) or switch (MHN) | |
1446 | * 2. An Ethernet Segment can span multiple PEs and is identified by the | |
1447 | * 10-byte ES-ID. | |
1448 | * 3. Zebra manages the local ESI configuration. | |
1449 | * 4. It also maintains the aliasing that maps an ESI (local or remote) | |
1450 | * to one or more PEs/VTEPs. | |
1451 | * 5. remote ESs are added by BGP (on rxing EAD Type-1 routes) | |
1452 | */ | |
1453 | /* A list of remote VTEPs is maintained for each ES. This list includes - | |
1454 | * 1. VTEPs for which we have imported the ESR i.e. ES-peers | |
1455 | * 2. VTEPs that have an "active" ES-EVI VTEP i.e. EAD-per-ES and EAD-per-EVI | |
87d76d54 | 1456 | * have been imported into one or more EVPNs |
ce5160c0 AK |
1457 | */ |
1458 | static int zebra_evpn_es_vtep_cmp(void *p1, void *p2) | |
1459 | { | |
1460 | const struct zebra_evpn_es_vtep *es_vtep1 = p1; | |
1461 | const struct zebra_evpn_es_vtep *es_vtep2 = p2; | |
1462 | ||
1463 | return es_vtep1->vtep_ip.s_addr - es_vtep2->vtep_ip.s_addr; | |
1464 | } | |
1465 | ||
1466 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_new( | |
1467 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1468 | { | |
1469 | struct zebra_evpn_es_vtep *es_vtep; | |
1470 | ||
1471 | es_vtep = XCALLOC(MTYPE_ZES_VTEP, sizeof(*es_vtep)); | |
1472 | ||
1473 | es_vtep->es = es; | |
1474 | es_vtep->vtep_ip.s_addr = vtep_ip.s_addr; | |
1475 | listnode_init(&es_vtep->es_listnode, es_vtep); | |
1476 | listnode_add_sort(es->es_vtep_list, &es_vtep->es_listnode); | |
1477 | ||
1478 | return es_vtep; | |
1479 | } | |
1480 | ||
1481 | static void zebra_evpn_es_vtep_free(struct zebra_evpn_es_vtep *es_vtep) | |
1482 | { | |
1483 | struct zebra_evpn_es *es = es_vtep->es; | |
1484 | ||
1485 | list_delete_node(es->es_vtep_list, &es_vtep->es_listnode); | |
1486 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1487 | zebra_evpn_l2_nh_es_vtep_deref(es_vtep); |
ce5160c0 AK |
1488 | XFREE(MTYPE_ZES_VTEP, es_vtep); |
1489 | } | |
1490 | ||
1491 | ||
1492 | /* check if VTEP is already part of the list */ | |
1493 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_find( | |
1494 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1495 | { | |
1496 | struct listnode *node = NULL; | |
1497 | struct zebra_evpn_es_vtep *es_vtep; | |
1498 | ||
1499 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1500 | if (es_vtep->vtep_ip.s_addr == vtep_ip.s_addr) | |
1501 | return es_vtep; | |
1502 | } | |
1503 | return NULL; | |
1504 | } | |
1505 | ||
28e80a03 AK |
1506 | /* flush all the dataplane br-port info associated with the ES */ |
1507 | static bool zebra_evpn_es_br_port_dplane_clear(struct zebra_evpn_es *es) | |
1508 | { | |
1509 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1510 | ||
1511 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1512 | return false; | |
1513 | ||
1514 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1515 | zlog_debug("es %s br-port dplane clear", es->esi_str); | |
1516 | ||
1517 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
1518 | dplane_br_port_update(es->zif->ifp, false /* non_df */, 0, sph_filters, | |
1519 | 0 /* backup_nhg_id */); | |
1520 | return true; | |
1521 | } | |
1522 | ||
1523 | static inline bool | |
1524 | zebra_evpn_es_br_port_dplane_update_needed(struct zebra_evpn_es *es) | |
1525 | { | |
1526 | return (es->flags & ZEBRA_EVPNES_NON_DF) | |
1527 | || (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1528 | || listcount(es->es_vtep_list); | |
1529 | } | |
1530 | ||
1531 | /* returns TRUE if dplane entry was updated */ | |
1532 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, | |
1533 | const char *caller) | |
1534 | { | |
1535 | uint32_t backup_nhg_id; | |
1536 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1537 | struct listnode *node = NULL; | |
1538 | struct zebra_evpn_es_vtep *es_vtep; | |
1539 | uint32_t sph_filter_cnt = 0; | |
1540 | ||
1541 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
1542 | return zebra_evpn_es_br_port_dplane_clear(es); | |
1543 | ||
1544 | /* If the ES is not a bridge port there is nothing | |
1545 | * in the dataplane | |
1546 | */ | |
1547 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1548 | return false; | |
1549 | ||
1550 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1551 | zlog_debug("es %s br-port dplane update by %s", es->esi_str, |
1552 | caller); | |
28e80a03 AK |
1553 | backup_nhg_id = (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) ? es->nhg_id : 0; |
1554 | ||
1555 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
00a7710c AK |
1556 | if (es->flags & ZEBRA_EVPNES_BYPASS) { |
1557 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1558 | zlog_debug( | |
1559 | "es %s SPH filter disabled as it is in bypass", | |
1560 | es->esi_str); | |
28e80a03 | 1561 | } else { |
00a7710c AK |
1562 | if (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT) { |
1563 | zlog_warn("es %s vtep count %d exceeds filter cnt %d", | |
1564 | es->esi_str, listcount(es->es_vtep_list), | |
1565 | ES_VTEP_MAX_CNT); | |
1566 | } else { | |
1567 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, | |
1568 | es_vtep)) { | |
1569 | if (es_vtep->flags | |
1570 | & ZEBRA_EVPNES_VTEP_DEL_IN_PROG) | |
1571 | continue; | |
1572 | sph_filters[sph_filter_cnt] = es_vtep->vtep_ip; | |
1573 | ++sph_filter_cnt; | |
1574 | } | |
28e80a03 AK |
1575 | } |
1576 | } | |
1577 | ||
1578 | dplane_br_port_update(es->zif->ifp, !!(es->flags & ZEBRA_EVPNES_NON_DF), | |
1579 | sph_filter_cnt, sph_filters, backup_nhg_id); | |
1580 | ||
1581 | return true; | |
1582 | } | |
1583 | ||
1584 | /* returns TRUE if dplane entry was updated */ | |
1585 | static bool zebra_evpn_es_df_change(struct zebra_evpn_es *es, bool new_non_df, | |
35f5c31b | 1586 | const char *caller, const char *reason) |
1103c5c6 AK |
1587 | { |
1588 | bool old_non_df; | |
1589 | ||
1590 | old_non_df = !!(es->flags & ZEBRA_EVPNES_NON_DF); | |
1591 | ||
1592 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
35f5c31b AK |
1593 | zlog_debug("df-change es %s %s to %s; %s: %s", es->esi_str, |
1594 | old_non_df ? "non-df" : "df", | |
1595 | new_non_df ? "non-df" : "df", caller, reason); | |
1103c5c6 AK |
1596 | |
1597 | if (old_non_df == new_non_df) | |
28e80a03 | 1598 | return false; |
1103c5c6 | 1599 | |
28e80a03 | 1600 | if (new_non_df) |
1103c5c6 | 1601 | es->flags |= ZEBRA_EVPNES_NON_DF; |
28e80a03 | 1602 | else |
1103c5c6 | 1603 | es->flags &= ~ZEBRA_EVPNES_NON_DF; |
28e80a03 AK |
1604 | |
1605 | /* update non-DF block filter in the dataplane */ | |
1606 | return zebra_evpn_es_br_port_dplane_update(es, __func__); | |
1103c5c6 AK |
1607 | } |
1608 | ||
28e80a03 AK |
1609 | |
1610 | /* returns TRUE if dplane entry was updated */ | |
1611 | static bool zebra_evpn_es_run_df_election(struct zebra_evpn_es *es, | |
1103c5c6 AK |
1612 | const char *caller) |
1613 | { | |
1614 | struct listnode *node = NULL; | |
1615 | struct zebra_evpn_es_vtep *es_vtep; | |
1616 | bool new_non_df = false; | |
1617 | ||
1618 | /* If the ES is not ready (i.e. not completely configured) there | |
1619 | * is no need to setup the BUM block filter | |
1620 | */ | |
1621 | if (!(es->flags & ZEBRA_EVPNES_LOCAL) | |
00a7710c | 1622 | || (es->flags & ZEBRA_EVPNES_BYPASS) |
28e80a03 | 1623 | || !zmh_info->es_originator_ip.s_addr) |
35f5c31b AK |
1624 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1625 | "not-ready"); | |
1103c5c6 AK |
1626 | |
1627 | /* if oper-state is down DF filtering must be on. when the link comes | |
1628 | * up again dataplane should block BUM till FRR has had the chance | |
1629 | * to run DF election again | |
1630 | */ | |
1631 | if (!(es->flags & ZEBRA_EVPNES_OPER_UP)) { | |
1632 | new_non_df = true; | |
35f5c31b AK |
1633 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1634 | "oper-down"); | |
1635 | } | |
1636 | ||
1637 | /* ES was just created; we need to wait for the peers to rx the | |
1638 | * our Type-4 routes and for the switch to import the peers' Type-4 | |
1639 | * routes | |
1640 | */ | |
1641 | if (es->df_delay_timer) { | |
1642 | new_non_df = true; | |
1643 | return zebra_evpn_es_df_change(es, new_non_df, caller, | |
1644 | "df-delay"); | |
1103c5c6 AK |
1645 | } |
1646 | ||
1647 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1648 | /* Only VTEPs that have advertised the ESR can participate | |
1649 | * in DF election | |
1650 | */ | |
1651 | if (!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR)) | |
1652 | continue; | |
1653 | ||
1654 | /* If the DF alg is not the same we should fall back to | |
1655 | * service-carving. But as service-carving is not supported | |
1656 | * we will stop forwarding BUM | |
1657 | */ | |
1658 | if (es_vtep->df_alg != EVPN_MH_DF_ALG_PREF) { | |
1659 | new_non_df = true; | |
1660 | break; | |
1661 | } | |
1662 | ||
1663 | /* Peer VTEP wins DF election if - | |
1664 | * the peer-VTEP has higher preference (or) | |
1665 | * the pref is the same but peer's IP address is lower | |
1666 | */ | |
1667 | if ((es_vtep->df_pref > es->df_pref) | |
1668 | || ((es_vtep->df_pref == es->df_pref) | |
1669 | && (es_vtep->vtep_ip.s_addr | |
1670 | < zmh_info->es_originator_ip.s_addr))) { | |
1671 | new_non_df = true; | |
1672 | break; | |
1673 | } | |
1674 | } | |
1675 | ||
35f5c31b | 1676 | return zebra_evpn_es_df_change(es, new_non_df, caller, "elected"); |
1103c5c6 AK |
1677 | } |
1678 | ||
ce5160c0 | 1679 | static void zebra_evpn_es_vtep_add(struct zebra_evpn_es *es, |
1103c5c6 AK |
1680 | struct in_addr vtep_ip, bool esr_rxed, |
1681 | uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
1682 | { |
1683 | struct zebra_evpn_es_vtep *es_vtep; | |
1103c5c6 | 1684 | bool old_esr_rxed; |
28e80a03 | 1685 | bool dplane_updated = false; |
ce5160c0 AK |
1686 | |
1687 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1688 | ||
1689 | if (!es_vtep) { | |
1690 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1691 | zlog_debug("es %s vtep %pI4 add", |
1692 | es->esi_str, &vtep_ip); | |
ce5160c0 AK |
1693 | es_vtep = zebra_evpn_es_vtep_new(es, vtep_ip); |
1694 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1695 | zebra_evpn_l2_nh_es_vtep_ref(es_vtep); |
ce5160c0 | 1696 | } |
1103c5c6 AK |
1697 | |
1698 | old_esr_rxed = !!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR); | |
1699 | if ((old_esr_rxed != esr_rxed) || (es_vtep->df_alg != df_alg) | |
1700 | || (es_vtep->df_pref != df_pref)) { | |
1701 | /* If any of the DF election params changed we need to re-run | |
1702 | * DF election | |
1703 | */ | |
1704 | if (esr_rxed) | |
1705 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1706 | else | |
1707 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1708 | es_vtep->df_alg = df_alg; | |
1709 | es_vtep->df_pref = df_pref; | |
28e80a03 | 1710 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); |
1103c5c6 | 1711 | } |
28e80a03 AK |
1712 | /* add the vtep to the SPH list */ |
1713 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1714 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1715 | } |
1716 | ||
1717 | static void zebra_evpn_es_vtep_del(struct zebra_evpn_es *es, | |
1718 | struct in_addr vtep_ip) | |
1719 | { | |
1720 | struct zebra_evpn_es_vtep *es_vtep; | |
28e80a03 | 1721 | bool dplane_updated = false; |
ce5160c0 AK |
1722 | |
1723 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1724 | ||
1725 | if (es_vtep) { | |
1726 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1727 | zlog_debug("es %s vtep %pI4 del", |
1728 | es->esi_str, &vtep_ip); | |
28e80a03 | 1729 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_DEL_IN_PROG; |
1103c5c6 AK |
1730 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
1731 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
28e80a03 AK |
1732 | dplane_updated = |
1733 | zebra_evpn_es_run_df_election(es, __func__); | |
1103c5c6 | 1734 | } |
28e80a03 AK |
1735 | /* remove the vtep from the SPH list */ |
1736 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1737 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1738 | zebra_evpn_es_vtep_free(es_vtep); |
1739 | } | |
1740 | } | |
1741 | ||
1742 | /* compare ES-IDs for the global ES RB tree */ | |
1743 | static int zebra_es_rb_cmp(const struct zebra_evpn_es *es1, | |
1744 | const struct zebra_evpn_es *es2) | |
1745 | { | |
1746 | return memcmp(&es1->esi, &es2->esi, ESI_BYTES); | |
1747 | } | |
1748 | RB_GENERATE(zebra_es_rb_head, zebra_evpn_es, rb_node, zebra_es_rb_cmp); | |
1749 | ||
1750 | /* Lookup ES */ | |
32367e7a | 1751 | struct zebra_evpn_es *zebra_evpn_es_find(const esi_t *esi) |
ce5160c0 AK |
1752 | { |
1753 | struct zebra_evpn_es tmp; | |
1754 | ||
1755 | memcpy(&tmp.esi, esi, sizeof(esi_t)); | |
1756 | return RB_FIND(zebra_es_rb_head, &zmh_info->es_rb_tree, &tmp); | |
1757 | } | |
1758 | ||
1759 | /* A new local es is created when a local-es-id and sysmac is configured | |
1760 | * against an interface. | |
1761 | */ | |
32367e7a | 1762 | static struct zebra_evpn_es *zebra_evpn_es_new(const esi_t *esi) |
ce5160c0 AK |
1763 | { |
1764 | struct zebra_evpn_es *es; | |
1765 | ||
325d694b AK |
1766 | if (!memcmp(esi, zero_esi, sizeof(esi_t))) |
1767 | return NULL; | |
1768 | ||
ce5160c0 AK |
1769 | es = XCALLOC(MTYPE_ZES, sizeof(struct zebra_evpn_es)); |
1770 | ||
1771 | /* fill in ESI */ | |
1772 | memcpy(&es->esi, esi, sizeof(esi_t)); | |
1773 | esi_to_str(&es->esi, es->esi_str, sizeof(es->esi_str)); | |
1774 | ||
1775 | /* Add to rb_tree */ | |
2a778afe | 1776 | RB_INSERT(zebra_es_rb_head, &zmh_info->es_rb_tree, es); |
ce5160c0 AK |
1777 | |
1778 | /* Initialise the ES-EVI list */ | |
1779 | es->es_evi_list = list_new(); | |
1780 | listset_app_node_mem(es->es_evi_list); | |
1781 | ||
1782 | /* Initialise the VTEP list */ | |
1783 | es->es_vtep_list = list_new(); | |
1784 | listset_app_node_mem(es->es_vtep_list); | |
1785 | es->es_vtep_list->cmp = zebra_evpn_es_vtep_cmp; | |
1786 | ||
b169fd6f AK |
1787 | /* mac entries associated with the ES */ |
1788 | es->mac_list = list_new(); | |
1789 | listset_app_node_mem(es->mac_list); | |
1790 | ||
ce5160c0 | 1791 | /* reserve a NHG */ |
15400f95 | 1792 | es->nhg_id = zebra_evpn_nhid_alloc(es); |
ce5160c0 AK |
1793 | |
1794 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 | 1795 | zlog_debug("es %s nhg %u new", es->esi_str, es->nhg_id); |
ce5160c0 AK |
1796 | |
1797 | return es; | |
1798 | } | |
1799 | ||
1800 | /* Free a given ES - | |
1801 | * This just frees appropriate memory, caller should have taken other | |
1802 | * needed actions. | |
1803 | */ | |
e378f502 | 1804 | static void zebra_evpn_es_free(struct zebra_evpn_es **esp) |
ce5160c0 | 1805 | { |
e378f502 AK |
1806 | struct zebra_evpn_es *es = *esp; |
1807 | ||
ce5160c0 AK |
1808 | /* If the ES has a local or remote reference it cannot be freed. |
1809 | * Free is also prevented if there are MAC entries referencing | |
1810 | * it. | |
1811 | */ | |
1812 | if ((es->flags & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE)) || | |
b169fd6f | 1813 | listcount(es->mac_list)) |
e378f502 | 1814 | return; |
ce5160c0 AK |
1815 | |
1816 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1817 | zlog_debug("es %s free", es->esi_str); | |
1818 | ||
1819 | /* If the NHG is still installed uninstall it and free the id */ | |
1820 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1821 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; | |
1822 | kernel_del_mac_nhg(es->nhg_id); | |
1823 | } | |
15400f95 | 1824 | zebra_evpn_nhid_free(es->nhg_id, es); |
ce5160c0 AK |
1825 | |
1826 | /* cleanup resources maintained against the ES */ | |
1827 | list_delete(&es->es_evi_list); | |
1828 | list_delete(&es->es_vtep_list); | |
b169fd6f | 1829 | list_delete(&es->mac_list); |
ce5160c0 AK |
1830 | |
1831 | /* remove from the VNI-ESI rb tree */ | |
1832 | RB_REMOVE(zebra_es_rb_head, &zmh_info->es_rb_tree, es); | |
1833 | ||
1834 | XFREE(MTYPE_ZES, es); | |
b169fd6f | 1835 | |
e378f502 | 1836 | *esp = NULL; |
ce5160c0 AK |
1837 | } |
1838 | ||
1839 | /* Inform BGP about local ES addition */ | |
1840 | static int zebra_evpn_es_send_add_to_client(struct zebra_evpn_es *es) | |
1841 | { | |
1842 | struct zserv *client; | |
1843 | struct stream *s; | |
1844 | uint8_t oper_up; | |
00a7710c | 1845 | bool bypass; |
ce5160c0 AK |
1846 | |
1847 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1848 | /* BGP may not be running. */ | |
1849 | if (!client) | |
1850 | return 0; | |
1851 | ||
1852 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1853 | ||
1854 | zclient_create_header(s, ZEBRA_LOCAL_ES_ADD, zebra_vrf_get_evpn_id()); | |
1855 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1856 | stream_put_ipv4(s, zmh_info->es_originator_ip.s_addr); | |
1857 | oper_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
1858 | stream_putc(s, oper_up); | |
1103c5c6 | 1859 | stream_putw(s, es->df_pref); |
00a7710c AK |
1860 | bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); |
1861 | stream_putc(s, bypass); | |
ce5160c0 AK |
1862 | |
1863 | /* Write packet size. */ | |
1864 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1865 | ||
1866 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1867 | zlog_debug( |
1868 | "send add local es %s %pI4 active %u df_pref %u%s to %s", | |
1869 | es->esi_str, &zmh_info->es_originator_ip, oper_up, | |
1870 | es->df_pref, bypass ? " bypass" : "", | |
1871 | zebra_route_string(client->proto)); | |
ce5160c0 AK |
1872 | |
1873 | client->local_es_add_cnt++; | |
1874 | return zserv_send_message(client, s); | |
1875 | } | |
1876 | ||
1877 | /* Inform BGP about local ES deletion */ | |
1878 | static int zebra_evpn_es_send_del_to_client(struct zebra_evpn_es *es) | |
1879 | { | |
1880 | struct zserv *client; | |
1881 | struct stream *s; | |
1882 | ||
1883 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1884 | /* BGP may not be running. */ | |
1885 | if (!client) | |
1886 | return 0; | |
1887 | ||
1888 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1889 | stream_reset(s); | |
1890 | ||
1891 | zclient_create_header(s, ZEBRA_LOCAL_ES_DEL, zebra_vrf_get_evpn_id()); | |
1892 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1893 | ||
1894 | /* Write packet size. */ | |
1895 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1896 | ||
1897 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1898 | zlog_debug("send del local es %s to %s", es->esi_str, | |
1899 | zebra_route_string(client->proto)); | |
1900 | ||
1901 | client->local_es_del_cnt++; | |
1902 | return zserv_send_message(client, s); | |
1903 | } | |
1904 | ||
ce5160c0 AK |
1905 | static void zebra_evpn_es_re_eval_send_to_client(struct zebra_evpn_es *es, |
1906 | bool es_evi_re_reval) | |
1907 | { | |
1908 | bool old_ready; | |
1909 | bool new_ready; | |
1910 | struct listnode *node; | |
1911 | struct zebra_evpn_es_evi *es_evi; | |
1912 | ||
1913 | old_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
1914 | ||
1915 | if ((es->flags & ZEBRA_EVPNES_LOCAL) && | |
1916 | zmh_info->es_originator_ip.s_addr) | |
1917 | es->flags |= ZEBRA_EVPNES_READY_FOR_BGP; | |
1918 | else | |
1919 | es->flags &= ~ZEBRA_EVPNES_READY_FOR_BGP; | |
1920 | ||
1921 | new_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
1922 | if (old_ready == new_ready) | |
1923 | return; | |
1924 | ||
1925 | if (new_ready) | |
1926 | zebra_evpn_es_send_add_to_client(es); | |
1927 | else | |
1928 | zebra_evpn_es_send_del_to_client(es); | |
1929 | ||
1930 | /* re-eval associated EVIs */ | |
1931 | if (es_evi_re_reval) { | |
1932 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, node, es_evi)) { | |
1933 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
1934 | continue; | |
1935 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
1936 | } | |
1937 | } | |
1938 | } | |
1939 | ||
1940 | void zebra_evpn_es_send_all_to_client(bool add) | |
1941 | { | |
1942 | struct listnode *es_node; | |
1943 | struct listnode *evi_node; | |
1944 | struct zebra_evpn_es *es; | |
1945 | struct zebra_evpn_es_evi *es_evi; | |
1946 | ||
1947 | if (!zmh_info) | |
1948 | return; | |
1949 | ||
1950 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, es_node, es)) { | |
1951 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) { | |
1952 | if (add) | |
1953 | zebra_evpn_es_send_add_to_client(es); | |
1954 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, | |
1955 | evi_node, es_evi)) { | |
1956 | if (!(es_evi->flags & | |
1957 | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) | |
1958 | continue; | |
1959 | ||
1960 | if (add) | |
1961 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 1962 | es, es_evi->zevpn, |
ce5160c0 AK |
1963 | true /* add */); |
1964 | else | |
1965 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 1966 | es, es_evi->zevpn, |
ce5160c0 AK |
1967 | false /* add */); |
1968 | } | |
1969 | if (!add) | |
1970 | zebra_evpn_es_send_del_to_client(es); | |
1971 | } | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | /* walk the vlan bitmap associated with the zif and create or delete | |
1976 | * es_evis for all vlans associated with a VNI. | |
1977 | * XXX: This API is really expensive. optimize later if possible. | |
1978 | */ | |
1979 | static void zebra_evpn_es_setup_evis(struct zebra_evpn_es *es) | |
1980 | { | |
1981 | struct zebra_if *zif = es->zif; | |
1982 | uint16_t vid; | |
1983 | struct zebra_evpn_access_bd *acc_bd; | |
1984 | ||
0b05c9bb AK |
1985 | if (!bf_is_inited(zif->vlan_bitmap)) |
1986 | return; | |
ce5160c0 AK |
1987 | |
1988 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) { | |
1989 | acc_bd = zebra_evpn_acc_vl_find(vid); | |
87d76d54 PR |
1990 | if (acc_bd->zevpn) |
1991 | zebra_evpn_local_es_evi_add(es, acc_bd->zevpn); | |
ce5160c0 AK |
1992 | } |
1993 | } | |
1994 | ||
3198b2b3 DS |
1995 | static void zebra_evpn_flush_local_mac(struct zebra_mac *mac, |
1996 | struct interface *ifp) | |
00a7710c AK |
1997 | { |
1998 | struct zebra_if *zif; | |
1999 | struct interface *br_ifp; | |
2000 | vlanid_t vid; | |
2001 | ||
2002 | zif = ifp->info; | |
2003 | br_ifp = zif->brslave_info.br_if; | |
2004 | if (!br_ifp) | |
2005 | return; | |
2006 | ||
2007 | if (mac->zevpn->vxlan_if) { | |
2008 | zif = mac->zevpn->vxlan_if->info; | |
2009 | vid = zif->l2info.vxl.access_vlan; | |
2010 | } else { | |
2011 | vid = 0; | |
2012 | } | |
2013 | ||
2014 | /* delete the local mac from the dataplane */ | |
2015 | dplane_local_mac_del(ifp, br_ifp, vid, &mac->macaddr); | |
2016 | /* delete the local mac in zebra */ | |
2017 | zebra_evpn_del_local_mac(mac->zevpn, mac, true); | |
2018 | } | |
2019 | ||
2020 | static void zebra_evpn_es_flush_local_macs(struct zebra_evpn_es *es, | |
2021 | struct interface *ifp, bool add) | |
b169fd6f | 2022 | { |
3198b2b3 | 2023 | struct zebra_mac *mac; |
b169fd6f | 2024 | struct listnode *node; |
00a7710c | 2025 | struct listnode *nnode; |
b169fd6f | 2026 | |
00a7710c AK |
2027 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { |
2028 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2029 | continue; | |
2030 | ||
2031 | /* If ES is being attached/detached from the access port we | |
2032 | * need to clear local activity and peer activity and start | |
2033 | * over */ | |
2034 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2035 | zlog_debug("VNI %u mac %pEA update; local ES %s %s", | |
2036 | mac->zevpn->vni, | |
2037 | &mac->macaddr, | |
2038 | es->esi_str, add ? "add" : "del"); | |
2039 | zebra_evpn_flush_local_mac(mac, ifp); | |
b169fd6f AK |
2040 | } |
2041 | } | |
2042 | ||
72f2674a AK |
2043 | void zebra_evpn_es_local_br_port_update(struct zebra_if *zif) |
2044 | { | |
2045 | struct zebra_evpn_es *es = zif->es_info.es; | |
2046 | bool old_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2047 | bool new_br_port; | |
2048 | ||
2049 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) | |
2050 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2051 | else | |
2052 | es->flags &= ~ZEBRA_EVPNES_BR_PORT; | |
2053 | ||
2054 | new_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2055 | if (old_br_port == new_br_port) | |
2056 | return; | |
2057 | ||
2058 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2059 | zlog_debug("es %s br_port change old %u new %u", es->esi_str, | |
2060 | old_br_port, new_br_port); | |
2061 | ||
2062 | /* update the dataplane br_port attrs */ | |
2063 | if (new_br_port && zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2064 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2065 | } | |
2066 | ||
b2ee2b71 AK |
2067 | /* On config of first local-ES turn off DAD */ |
2068 | static void zebra_evpn_mh_dup_addr_detect_off(void) | |
2069 | { | |
2070 | struct zebra_vrf *zvrf; | |
2071 | bool old_detect; | |
2072 | bool new_detect; | |
2073 | ||
2074 | if (zmh_info->flags & ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF) | |
2075 | return; | |
2076 | ||
2077 | zvrf = zebra_vrf_get_evpn(); | |
2078 | if (!zvrf) { | |
2079 | zmh_info->flags |= ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF; | |
2080 | return; | |
2081 | } | |
2082 | ||
2083 | old_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
2084 | zmh_info->flags |= ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF; | |
2085 | new_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
2086 | ||
2087 | if (old_detect && !new_detect) { | |
2088 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2089 | zlog_debug( | |
2090 | "evpn-mh config caused DAD addr detect chg from %s to %s", | |
2091 | old_detect ? "on" : "off", | |
2092 | new_detect ? "on" : "off"); | |
2093 | zebra_vxlan_clear_dup_detect_vni_all(zvrf); | |
2094 | } | |
2095 | } | |
2096 | ||
c7bfd085 AK |
2097 | /* On config of first local-ES turn off advertisement of STALE/DELAY/PROBE |
2098 | * neighbors | |
2099 | */ | |
2100 | static void zebra_evpn_mh_advertise_reach_neigh_only(void) | |
2101 | { | |
2102 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY) | |
2103 | return; | |
2104 | ||
2105 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY; | |
2106 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2107 | zlog_debug("evpn-mh: only REACHABLE neigh advertised"); | |
2108 | ||
2109 | /* XXX - if STALE/DELAY/PROBE neighs were previously advertised we | |
2110 | * need to withdraw them | |
2111 | */ | |
2112 | } | |
2113 | ||
243b74ed AK |
2114 | /* On config of first local-ES turn on advertisement of local SVI-MAC */ |
2115 | static void zebra_evpn_mh_advertise_svi_mac(void) | |
2116 | { | |
2117 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_SVI_MAC) | |
2118 | return; | |
2119 | ||
2120 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_SVI_MAC; | |
2121 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2122 | zlog_debug("evpn-mh: advertise SVI MAC"); | |
2123 | ||
2124 | /* walk through all SVIs and see if we need to advertise the MAC */ | |
2125 | zebra_evpn_acc_vl_adv_svi_mac_all(); | |
2126 | } | |
2127 | ||
cc9f21da | 2128 | static void zebra_evpn_es_df_delay_exp_cb(struct thread *t) |
35f5c31b AK |
2129 | { |
2130 | struct zebra_evpn_es *es; | |
2131 | ||
2132 | es = THREAD_ARG(t); | |
2133 | ||
2134 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2135 | zlog_debug("es %s df-delay expired", es->esi_str); | |
2136 | ||
2137 | zebra_evpn_es_run_df_election(es, __func__); | |
35f5c31b AK |
2138 | } |
2139 | ||
243b74ed AK |
2140 | /* currently there is no global config to turn on MH instead we use |
2141 | * the addition of the first local Ethernet Segment as the trigger to | |
2142 | * init MH specific processing | |
2143 | */ | |
2144 | static void zebra_evpn_mh_on_first_local_es(void) | |
2145 | { | |
2146 | zebra_evpn_mh_dup_addr_detect_off(); | |
2147 | zebra_evpn_mh_advertise_reach_neigh_only(); | |
2148 | zebra_evpn_mh_advertise_svi_mac(); | |
2149 | } | |
2150 | ||
ce5160c0 AK |
2151 | static void zebra_evpn_es_local_info_set(struct zebra_evpn_es *es, |
2152 | struct zebra_if *zif) | |
2153 | { | |
2154 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
2155 | return; | |
2156 | ||
2157 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2158 | zlog_debug("local es %s add; nhg %u if %s", es->esi_str, |
2159 | es->nhg_id, zif->ifp->name); | |
ce5160c0 | 2160 | |
243b74ed | 2161 | zebra_evpn_mh_on_first_local_es(); |
b2ee2b71 | 2162 | |
ce5160c0 AK |
2163 | es->flags |= ZEBRA_EVPNES_LOCAL; |
2164 | listnode_init(&es->local_es_listnode, es); | |
2165 | listnode_add(zmh_info->local_es_list, &es->local_es_listnode); | |
2166 | ||
2167 | /* attach es to interface */ | |
2168 | zif->es_info.es = es; | |
1103c5c6 AK |
2169 | es->df_pref = zif->es_info.df_pref ? zif->es_info.df_pref |
2170 | : EVPN_MH_DF_PREF_DEFAULT; | |
ce5160c0 AK |
2171 | |
2172 | /* attach interface to es */ | |
2173 | es->zif = zif; | |
2174 | if (if_is_operative(zif->ifp)) | |
2175 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2176 | ||
72f2674a AK |
2177 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) |
2178 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2179 | ||
00a7710c AK |
2180 | /* inherit the bypass flag from the interface */ |
2181 | if (zif->flags & ZIF_FLAG_LACP_BYPASS) | |
2182 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2183 | ||
ce5160c0 AK |
2184 | /* setup base-vni if one doesn't already exist; the ES will get sent |
2185 | * to BGP as a part of that process | |
2186 | */ | |
87d76d54 PR |
2187 | if (!zmh_info->es_base_evpn) |
2188 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 AK |
2189 | else |
2190 | /* send notification to bgp */ | |
2191 | zebra_evpn_es_re_eval_send_to_client(es, | |
2192 | false /* es_evi_re_reval */); | |
2193 | ||
35f5c31b AK |
2194 | /* Start the DF delay timer on the local ES */ |
2195 | if (!es->df_delay_timer) | |
2196 | thread_add_timer(zrouter.master, zebra_evpn_es_df_delay_exp_cb, | |
2197 | es, ZEBRA_EVPN_MH_DF_DELAY_TIME, | |
2198 | &es->df_delay_timer); | |
2199 | ||
1103c5c6 | 2200 | /* See if the local VTEP can function as DF on the ES */ |
28e80a03 AK |
2201 | if (!zebra_evpn_es_run_df_election(es, __func__)) { |
2202 | /* check if the dplane entry needs to be re-programmed as a | |
2203 | * result of some thing other than DF status change | |
2204 | */ | |
2205 | if (zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2206 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2207 | } | |
2208 | ||
1103c5c6 | 2209 | |
ce5160c0 AK |
2210 | /* Setup ES-EVIs for all VxLAN stretched VLANs associated with |
2211 | * the zif | |
2212 | */ | |
2213 | zebra_evpn_es_setup_evis(es); | |
b169fd6f | 2214 | /* if there any local macs referring to the ES as dest we |
00a7710c | 2215 | * need to clear the contents and start over |
b169fd6f | 2216 | */ |
00a7710c | 2217 | zebra_evpn_es_flush_local_macs(es, zif->ifp, true); |
c36e442c AK |
2218 | |
2219 | /* inherit EVPN protodown flags on the access port */ | |
2bcf92e1 | 2220 | zebra_evpn_mh_update_protodown_es(es, true /*resync_dplane*/); |
ce5160c0 AK |
2221 | } |
2222 | ||
e378f502 | 2223 | static void zebra_evpn_es_local_info_clear(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2224 | { |
2225 | struct zebra_if *zif; | |
e378f502 | 2226 | struct zebra_evpn_es *es = *esp; |
28e80a03 | 2227 | bool dplane_updated = false; |
ce5160c0 AK |
2228 | |
2229 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
2230 | return; | |
2231 | ||
00a7710c AK |
2232 | zif = es->zif; |
2233 | ||
2234 | /* if there any local macs referring to the ES as dest we | |
2235 | * need to clear the contents and start over | |
2236 | */ | |
2237 | zebra_evpn_es_flush_local_macs(es, zif->ifp, false); | |
2238 | ||
4cd94050 AK |
2239 | es->flags &= ~(ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_READY_FOR_BGP); |
2240 | ||
35f5c31b AK |
2241 | THREAD_OFF(es->df_delay_timer); |
2242 | ||
c36e442c AK |
2243 | /* clear EVPN protodown flags on the access port */ |
2244 | zebra_evpn_mh_clear_protodown_es(es); | |
2245 | ||
00a7710c AK |
2246 | /* remove the DF filter */ |
2247 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
b169fd6f | 2248 | |
28e80a03 AK |
2249 | /* flush the BUM filters and backup NHG */ |
2250 | if (!dplane_updated) | |
2251 | zebra_evpn_es_br_port_dplane_clear(es); | |
2252 | ||
ce5160c0 | 2253 | /* clear the es from the parent interface */ |
ce5160c0 AK |
2254 | zif->es_info.es = NULL; |
2255 | es->zif = NULL; | |
2256 | ||
72f2674a | 2257 | /* clear all local flags associated with the ES */ |
00a7710c AK |
2258 | es->flags &= ~(ZEBRA_EVPNES_OPER_UP | ZEBRA_EVPNES_BR_PORT |
2259 | | ZEBRA_EVPNES_BYPASS); | |
72f2674a | 2260 | |
ce5160c0 AK |
2261 | /* remove from the ES list */ |
2262 | list_delete_node(zmh_info->local_es_list, &es->local_es_listnode); | |
2263 | ||
2264 | /* free up the ES if there is no remote reference */ | |
e378f502 | 2265 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2266 | } |
2267 | ||
2268 | /* Delete an ethernet segment and inform BGP */ | |
e378f502 | 2269 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2270 | { |
2271 | struct zebra_evpn_es_evi *es_evi; | |
2272 | struct listnode *node = NULL; | |
2273 | struct listnode *nnode = NULL; | |
2274 | struct zebra_if *zif; | |
e378f502 | 2275 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2276 | |
2277 | if (!CHECK_FLAG(es->flags, ZEBRA_EVPNES_LOCAL)) | |
2278 | return; | |
2279 | ||
2280 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) { | |
2281 | zif = es->zif; | |
dfa3d3d7 AK |
2282 | zlog_debug("local es %s del; nhg %u if %s", es->esi_str, |
2283 | es->nhg_id, zif ? zif->ifp->name : "-"); | |
ce5160c0 AK |
2284 | } |
2285 | ||
2286 | /* remove all ES-EVIs associated with the ES */ | |
2287 | for (ALL_LIST_ELEMENTS(es->es_evi_list, node, nnode, es_evi)) | |
2288 | zebra_evpn_local_es_evi_do_del(es_evi); | |
2289 | ||
2290 | /* send a del if the ES had been sent to BGP earlier */ | |
2291 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2292 | zebra_evpn_es_send_del_to_client(es); | |
2293 | ||
e378f502 | 2294 | zebra_evpn_es_local_info_clear(esp); |
ce5160c0 AK |
2295 | } |
2296 | ||
2297 | /* eval remote info associated with the ES */ | |
e378f502 | 2298 | static void zebra_evpn_es_remote_info_re_eval(struct zebra_evpn_es **esp) |
ce5160c0 | 2299 | { |
e378f502 AK |
2300 | struct zebra_evpn_es *es = *esp; |
2301 | ||
ce5160c0 AK |
2302 | /* if there are remote VTEPs the ES-EVI is classified as "remote" */ |
2303 | if (listcount(es->es_vtep_list)) { | |
2304 | if (!(es->flags & ZEBRA_EVPNES_REMOTE)) { | |
2305 | es->flags |= ZEBRA_EVPNES_REMOTE; | |
2306 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2307 | zlog_debug("remote es %s add; nhg %u", |
2308 | es->esi_str, es->nhg_id); | |
ce5160c0 AK |
2309 | } |
2310 | } else { | |
2311 | if (es->flags & ZEBRA_EVPNES_REMOTE) { | |
2312 | es->flags &= ~ZEBRA_EVPNES_REMOTE; | |
2313 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2314 | zlog_debug("remote es %s del; nhg %u", |
2315 | es->esi_str, es->nhg_id); | |
e378f502 | 2316 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2317 | } |
2318 | } | |
2319 | } | |
2320 | ||
2321 | /* A new local es is created when a local-es-id and sysmac is configured | |
2322 | * against an interface. | |
2323 | */ | |
325d694b | 2324 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi) |
ce5160c0 AK |
2325 | { |
2326 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
2327 | struct zebra_evpn_es *es; | |
325d694b AK |
2328 | |
2329 | memcpy(&zif->es_info.esi, esi, sizeof(*esi)); | |
2330 | if (old_es && !memcmp(&old_es->esi, esi, sizeof(*esi))) | |
2331 | /* dup - nothing to be done */ | |
2332 | return 0; | |
2333 | ||
2334 | /* release the old_es against the zif */ | |
2335 | if (old_es) | |
2336 | zebra_evpn_local_es_del(&old_es); | |
2337 | ||
2338 | es = zebra_evpn_es_find(esi); | |
2339 | if (es) { | |
2340 | /* if it exists against another interface flag an error */ | |
2341 | if (es->zif && es->zif != zif) { | |
2342 | memset(&zif->es_info.esi, 0, sizeof(*esi)); | |
2343 | return -1; | |
2344 | } | |
2345 | } else { | |
2346 | /* create new es */ | |
2347 | es = zebra_evpn_es_new(esi); | |
2348 | } | |
2349 | ||
2350 | if (es) | |
2351 | zebra_evpn_es_local_info_set(es, zif); | |
2352 | ||
2353 | return 0; | |
2354 | } | |
2355 | ||
2356 | static int zebra_evpn_type3_esi_update(struct zebra_if *zif, uint32_t lid, | |
2357 | struct ethaddr *sysmac) | |
2358 | { | |
2359 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
ce5160c0 AK |
2360 | esi_t esi; |
2361 | int offset = 0; | |
2362 | int field_bytes = 0; | |
2363 | ||
2364 | /* Complete config of the ES-ID bootstraps the ES */ | |
2365 | if (!lid || is_zero_mac(sysmac)) { | |
325d694b AK |
2366 | /* clear old esi */ |
2367 | memset(&zif->es_info.esi, 0, sizeof(zif->es_info.esi)); | |
ce5160c0 AK |
2368 | /* if in ES is attached to zif delete it */ |
2369 | if (old_es) | |
ab06b033 | 2370 | zebra_evpn_local_es_del(&old_es); |
ce5160c0 AK |
2371 | return 0; |
2372 | } | |
2373 | ||
2374 | /* build 10-byte type-3-ESI - | |
2375 | * Type(1-byte), MAC(6-bytes), ES-LID (3-bytes) | |
2376 | */ | |
2377 | field_bytes = 1; | |
2378 | esi.val[offset] = ESI_TYPE_MAC; | |
2379 | offset += field_bytes; | |
2380 | ||
2381 | field_bytes = ETH_ALEN; | |
2382 | memcpy(&esi.val[offset], (uint8_t *)sysmac, field_bytes); | |
2383 | offset += field_bytes; | |
2384 | ||
2385 | esi.val[offset++] = (uint8_t)(lid >> 16); | |
2386 | esi.val[offset++] = (uint8_t)(lid >> 8); | |
2387 | esi.val[offset++] = (uint8_t)lid; | |
2388 | ||
325d694b | 2389 | return zebra_evpn_local_es_update(zif, &esi); |
ce5160c0 AK |
2390 | } |
2391 | ||
32367e7a | 2392 | int zebra_evpn_remote_es_del(const esi_t *esi, struct in_addr vtep_ip) |
ce5160c0 AK |
2393 | { |
2394 | char buf[ESI_STR_LEN]; | |
2395 | struct zebra_evpn_es *es; | |
2396 | ||
2397 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
2398 | zlog_debug("remote es %s vtep %pI4 del", |
2399 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2400 | |
2401 | es = zebra_evpn_es_find(esi); | |
2402 | if (!es) { | |
4d8b658c | 2403 | zlog_warn("remote es %s vtep %pI4 del failed, es missing", |
e378f502 | 2404 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); |
ce5160c0 AK |
2405 | return -1; |
2406 | } | |
2407 | ||
2408 | zebra_evpn_es_vtep_del(es, vtep_ip); | |
e378f502 | 2409 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2410 | |
2411 | return 0; | |
2412 | } | |
2413 | ||
2414 | /* force delete a remote ES on the way down */ | |
e378f502 | 2415 | static void zebra_evpn_remote_es_flush(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2416 | { |
2417 | struct zebra_evpn_es_vtep *es_vtep; | |
2418 | struct listnode *node; | |
2419 | struct listnode *nnode; | |
e378f502 | 2420 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2421 | |
2422 | for (ALL_LIST_ELEMENTS(es->es_vtep_list, node, nnode, es_vtep)) { | |
2423 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 | 2424 | zlog_debug("es %s vtep %pI4 flush", |
ce5160c0 | 2425 | es->esi_str, |
9bcef951 | 2426 | &es_vtep->vtep_ip); |
ce5160c0 | 2427 | zebra_evpn_es_vtep_free(es_vtep); |
ce5160c0 | 2428 | } |
e378f502 | 2429 | zebra_evpn_es_remote_info_re_eval(esp); |
ce5160c0 AK |
2430 | } |
2431 | ||
32367e7a MS |
2432 | int zebra_evpn_remote_es_add(const esi_t *esi, struct in_addr vtep_ip, |
2433 | bool esr_rxed, uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
2434 | { |
2435 | char buf[ESI_STR_LEN]; | |
2436 | struct zebra_evpn_es *es; | |
2437 | ||
2438 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1103c5c6 AK |
2439 | zlog_debug("remote es %s vtep %pI4 add %s df_alg %d df_pref %d", |
2440 | esi_to_str(esi, buf, sizeof(buf)), | |
2441 | &vtep_ip, esr_rxed ? "esr" : "", df_alg, | |
2442 | df_pref); | |
ce5160c0 AK |
2443 | |
2444 | es = zebra_evpn_es_find(esi); | |
2445 | if (!es) { | |
2446 | es = zebra_evpn_es_new(esi); | |
2447 | if (!es) { | |
e378f502 AK |
2448 | zlog_warn( |
2449 | "remote es %s vtep %pI4 add failed, es missing", | |
2450 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2451 | return -1; |
2452 | } | |
2453 | } | |
2454 | ||
28e80a03 | 2455 | if (df_alg != EVPN_MH_DF_ALG_PREF) |
2747f6f7 AK |
2456 | zlog_warn( |
2457 | "remote es %s vtep %pI4 add %s with unsupported df_alg %d", | |
2458 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip, | |
2459 | esr_rxed ? "esr" : "", df_alg); | |
28e80a03 | 2460 | |
1103c5c6 | 2461 | zebra_evpn_es_vtep_add(es, vtep_ip, esr_rxed, df_alg, df_pref); |
e378f502 | 2462 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2463 | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS) | |
2468 | { | |
2469 | struct stream *s; | |
2470 | struct in_addr vtep_ip; | |
2471 | esi_t esi; | |
2472 | ||
2473 | if (!is_evpn_enabled()) { | |
2474 | zlog_debug( | |
7d7be47e DS |
2475 | "%s: EVPN not enabled yet we received a es_add zapi call", |
2476 | __func__); | |
ce5160c0 AK |
2477 | return; |
2478 | } | |
2479 | ||
2480 | memset(&esi, 0, sizeof(esi_t)); | |
2481 | s = msg; | |
2482 | ||
693fc882 QY |
2483 | STREAM_GET(&esi, s, sizeof(esi_t)); |
2484 | STREAM_GET(&vtep_ip.s_addr, s, sizeof(vtep_ip.s_addr)); | |
ce5160c0 | 2485 | |
1103c5c6 AK |
2486 | if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) { |
2487 | uint32_t zapi_flags; | |
2488 | uint8_t df_alg; | |
2489 | uint16_t df_pref; | |
2490 | bool esr_rxed; | |
2491 | ||
693fc882 | 2492 | STREAM_GETL(s, zapi_flags); |
1103c5c6 AK |
2493 | esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true |
2494 | : false; | |
693fc882 QY |
2495 | STREAM_GETC(s, df_alg); |
2496 | STREAM_GETW(s, df_pref); | |
7f7e49d1 MS |
2497 | zebra_rib_queue_evpn_rem_es_add(&esi, &vtep_ip, esr_rxed, |
2498 | df_alg, df_pref); | |
1103c5c6 | 2499 | } else { |
32367e7a | 2500 | zebra_rib_queue_evpn_rem_es_del(&esi, &vtep_ip); |
1103c5c6 | 2501 | } |
693fc882 QY |
2502 | |
2503 | stream_failure: | |
2504 | return; | |
ce5160c0 AK |
2505 | } |
2506 | ||
3198b2b3 | 2507 | void zebra_evpn_es_mac_deref_entry(struct zebra_mac *mac) |
ce5160c0 AK |
2508 | { |
2509 | struct zebra_evpn_es *es = mac->es; | |
2510 | ||
2511 | mac->es = NULL; | |
b169fd6f | 2512 | if (!es) |
ce5160c0 AK |
2513 | return; |
2514 | ||
b169fd6f AK |
2515 | list_delete_node(es->mac_list, &mac->es_listnode); |
2516 | if (!listcount(es->mac_list)) | |
e378f502 | 2517 | zebra_evpn_es_free(&es); |
ce5160c0 AK |
2518 | } |
2519 | ||
2520 | /* Associate a MAC entry with a local or remote ES. Returns false if there | |
2521 | * was no ES change. | |
2522 | */ | |
3198b2b3 DS |
2523 | bool zebra_evpn_es_mac_ref_entry(struct zebra_mac *mac, |
2524 | struct zebra_evpn_es *es) | |
ce5160c0 AK |
2525 | { |
2526 | if (mac->es == es) | |
2527 | return false; | |
2528 | ||
2529 | if (mac->es) | |
2530 | zebra_evpn_es_mac_deref_entry(mac); | |
2531 | ||
2532 | if (!es) | |
2533 | return true; | |
2534 | ||
2535 | mac->es = es; | |
b169fd6f AK |
2536 | listnode_init(&mac->es_listnode, mac); |
2537 | listnode_add(es->mac_list, &mac->es_listnode); | |
2538 | ||
ce5160c0 AK |
2539 | return true; |
2540 | } | |
2541 | ||
3198b2b3 | 2542 | bool zebra_evpn_es_mac_ref(struct zebra_mac *mac, const esi_t *esi) |
ce5160c0 AK |
2543 | { |
2544 | struct zebra_evpn_es *es; | |
2545 | ||
2546 | es = zebra_evpn_es_find(esi); | |
2547 | if (!es) { | |
4cd94050 AK |
2548 | /* If non-zero esi implicitly create a new ES */ |
2549 | if (memcmp(esi, zero_esi, sizeof(esi_t))) { | |
2550 | es = zebra_evpn_es_new(esi); | |
2551 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2552 | zlog_debug("auto es %s add on mac ref", | |
2553 | es->esi_str); | |
2554 | } | |
ce5160c0 AK |
2555 | } |
2556 | ||
b169fd6f | 2557 | return zebra_evpn_es_mac_ref_entry(mac, es); |
ce5160c0 AK |
2558 | } |
2559 | ||
2560 | /* Inform BGP about local ES-EVI add or del */ | |
2561 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, | |
f6371c34 | 2562 | struct zebra_evpn *zevpn, bool add) |
ce5160c0 AK |
2563 | { |
2564 | struct zserv *client; | |
2565 | struct stream *s; | |
2566 | ||
2567 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
2568 | /* BGP may not be running. */ | |
2569 | if (!client) | |
2570 | return 0; | |
2571 | ||
2572 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2573 | ||
2574 | zclient_create_header(s, | |
2575 | add ? ZEBRA_LOCAL_ES_EVI_ADD : ZEBRA_LOCAL_ES_EVI_DEL, | |
2576 | zebra_vrf_get_evpn_id()); | |
2577 | stream_put(s, &es->esi, sizeof(esi_t)); | |
87d76d54 | 2578 | stream_putl(s, zevpn->vni); |
ce5160c0 AK |
2579 | |
2580 | /* Write packet size. */ | |
2581 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2582 | ||
2583 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2584 | zlog_debug("send %s local es %s evi %u to %s", | |
2585 | add ? "add" : "del", | |
87d76d54 | 2586 | es->esi_str, zevpn->vni, |
ce5160c0 AK |
2587 | zebra_route_string(client->proto)); |
2588 | ||
2589 | client->local_es_add_cnt++; | |
2590 | return zserv_send_message(client, s); | |
2591 | } | |
2592 | ||
2593 | /* sysmac part of a local ESI has changed */ | |
2594 | static int zebra_evpn_es_sys_mac_update(struct zebra_if *zif, | |
2595 | struct ethaddr *sysmac) | |
2596 | { | |
2597 | int rv; | |
2598 | ||
325d694b | 2599 | rv = zebra_evpn_type3_esi_update(zif, zif->es_info.lid, sysmac); |
ce5160c0 AK |
2600 | if (!rv) |
2601 | memcpy(&zif->es_info.sysmac, sysmac, sizeof(struct ethaddr)); | |
2602 | ||
2603 | return rv; | |
2604 | } | |
2605 | ||
2606 | /* local-ID part of ESI has changed */ | |
2607 | static int zebra_evpn_es_lid_update(struct zebra_if *zif, uint32_t lid) | |
2608 | { | |
2609 | int rv; | |
2610 | ||
325d694b | 2611 | rv = zebra_evpn_type3_esi_update(zif, lid, &zif->es_info.sysmac); |
ce5160c0 AK |
2612 | if (!rv) |
2613 | zif->es_info.lid = lid; | |
2614 | ||
2615 | return rv; | |
2616 | } | |
2617 | ||
325d694b AK |
2618 | /* type-0 esi has changed */ |
2619 | static int zebra_evpn_es_type0_esi_update(struct zebra_if *zif, esi_t *esi) | |
2620 | { | |
2621 | int rv; | |
2622 | ||
2623 | rv = zebra_evpn_local_es_update(zif, esi); | |
2624 | ||
2625 | /* clear the old es_lid, es_sysmac - type-0 is being set so old | |
2626 | * type-3 params need to be flushed | |
2627 | */ | |
2628 | memset(&zif->es_info.sysmac, 0, sizeof(struct ethaddr)); | |
2629 | zif->es_info.lid = 0; | |
2630 | ||
2631 | return rv; | |
2632 | } | |
2633 | ||
ce5160c0 AK |
2634 | void zebra_evpn_es_cleanup(void) |
2635 | { | |
2636 | struct zebra_evpn_es *es; | |
2637 | struct zebra_evpn_es *es_next; | |
2638 | ||
2639 | RB_FOREACH_SAFE(es, zebra_es_rb_head, | |
2640 | &zmh_info->es_rb_tree, es_next) { | |
e378f502 AK |
2641 | zebra_evpn_local_es_del(&es); |
2642 | if (es) | |
2643 | zebra_evpn_remote_es_flush(&es); | |
ce5160c0 AK |
2644 | } |
2645 | } | |
2646 | ||
1103c5c6 AK |
2647 | static void zebra_evpn_es_df_pref_update(struct zebra_if *zif, uint16_t df_pref) |
2648 | { | |
2649 | struct zebra_evpn_es *es; | |
2650 | uint16_t tmp_pref; | |
2651 | ||
2652 | if (zif->es_info.df_pref == df_pref) | |
2653 | return; | |
2654 | ||
2655 | zif->es_info.df_pref = df_pref; | |
2656 | es = zif->es_info.es; | |
2657 | ||
2658 | if (!es) | |
2659 | return; | |
2660 | ||
2661 | tmp_pref = zif->es_info.df_pref ? zif->es_info.df_pref | |
2662 | : EVPN_MH_DF_PREF_DEFAULT; | |
2663 | ||
2664 | if (es->df_pref == tmp_pref) | |
2665 | return; | |
2666 | ||
2667 | es->df_pref = tmp_pref; | |
2668 | /* run df election */ | |
2669 | zebra_evpn_es_run_df_election(es, __func__); | |
2670 | /* notify bgp */ | |
2671 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2672 | zebra_evpn_es_send_add_to_client(es); | |
2673 | } | |
2674 | ||
00a7710c AK |
2675 | /* If bypass mode on an es changed we set all local macs to |
2676 | * inactive and drop the sync info | |
2677 | */ | |
2678 | static void zebra_evpn_es_bypass_update_macs(struct zebra_evpn_es *es, | |
2679 | struct interface *ifp, bool bypass) | |
2680 | { | |
3198b2b3 | 2681 | struct zebra_mac *mac; |
00a7710c AK |
2682 | struct listnode *node; |
2683 | struct listnode *nnode; | |
fd40906b | 2684 | struct zebra_if *zif; |
00a7710c AK |
2685 | |
2686 | /* Flush all MACs linked to the ES */ | |
2687 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { | |
2688 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2689 | continue; | |
2690 | ||
2691 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2692 | zlog_debug("VNI %u mac %pEA %s update es %s", | |
2693 | mac->zevpn->vni, | |
2694 | &mac->macaddr, | |
2695 | bypass ? "bypass" : "non-bypass", | |
2696 | es->esi_str); | |
2697 | zebra_evpn_flush_local_mac(mac, ifp); | |
2698 | } | |
fd40906b AK |
2699 | |
2700 | /* While in bypass-mode locally learnt MACs are linked | |
2701 | * to the access port instead of the ES | |
2702 | */ | |
2703 | zif = ifp->info; | |
2704 | if (!zif->mac_list) | |
2705 | return; | |
2706 | ||
2707 | for (ALL_LIST_ELEMENTS(zif->mac_list, node, nnode, mac)) { | |
2708 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2709 | continue; | |
2710 | ||
2711 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2712 | zlog_debug("VNI %u mac %pEA %s update ifp %s", | |
2713 | mac->zevpn->vni, | |
2714 | &mac->macaddr, | |
2715 | bypass ? "bypass" : "non-bypass", ifp->name); | |
2716 | zebra_evpn_flush_local_mac(mac, ifp); | |
2717 | } | |
00a7710c AK |
2718 | } |
2719 | ||
2720 | void zebra_evpn_es_bypass_update(struct zebra_evpn_es *es, | |
2721 | struct interface *ifp, bool bypass) | |
2722 | { | |
2723 | bool old_bypass; | |
2724 | bool dplane_updated; | |
2725 | ||
2726 | old_bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); | |
2727 | if (old_bypass == bypass) | |
2728 | return; | |
2729 | ||
2730 | if (bypass) | |
2731 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2732 | else | |
2733 | es->flags &= ~ZEBRA_EVPNES_BYPASS; | |
2734 | ||
2735 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2736 | zlog_debug("bond %s es %s lacp bypass changed to %s", ifp->name, | |
2737 | es->esi_str, bypass ? "on" : "off"); | |
2738 | ||
2739 | /* send bypass update to BGP */ | |
2740 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2741 | zebra_evpn_es_send_add_to_client(es); | |
2742 | ||
2743 | zebra_evpn_es_bypass_update_macs(es, ifp, bypass); | |
2744 | ||
2745 | /* re-run DF election */ | |
2746 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
2747 | ||
2748 | /* disable SPH filter */ | |
2749 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL) | |
2750 | && (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT)) | |
2751 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2752 | } | |
2753 | ||
2754 | static void zebra_evpn_es_bypass_cfg_update(struct zebra_if *zif, bool bypass) | |
2755 | { | |
2756 | bool old_bypass = !!(zif->es_info.flags & ZIF_CFG_ES_FLAG_BYPASS); | |
2757 | ||
2758 | if (old_bypass == bypass) | |
2759 | return; | |
2760 | ||
2761 | if (bypass) | |
2762 | zif->es_info.flags |= ZIF_CFG_ES_FLAG_BYPASS; | |
2763 | else | |
2764 | zif->es_info.flags &= ~ZIF_CFG_ES_FLAG_BYPASS; | |
2765 | ||
2766 | ||
2767 | if (zif->es_info.es) | |
2768 | zebra_evpn_es_bypass_update(zif->es_info.es, zif->ifp, bypass); | |
2769 | } | |
2770 | ||
1103c5c6 | 2771 | |
ce5160c0 AK |
2772 | /* Only certain types of access ports can be setup as an Ethernet Segment */ |
2773 | bool zebra_evpn_is_if_es_capable(struct zebra_if *zif) | |
2774 | { | |
2775 | if (zif->zif_type == ZEBRA_IF_BOND) | |
2776 | return true; | |
2777 | ||
2778 | /* XXX: allow swpX i.e. a regular ethernet port to be an ES link too */ | |
2779 | return false; | |
2780 | } | |
2781 | ||
c15dc24f RW |
2782 | void zebra_evpn_if_es_print(struct vty *vty, json_object *json, |
2783 | struct zebra_if *zif) | |
ce5160c0 AK |
2784 | { |
2785 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b | 2786 | char esi_buf[ESI_STR_LEN]; |
c36e442c | 2787 | |
c15dc24f RW |
2788 | if (json) { |
2789 | json_object *json_evpn; | |
2790 | ||
2791 | json_evpn = json_object_new_object(); | |
2792 | json_object_object_add(json, "evpnMh", json_evpn); | |
2793 | ||
2794 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2795 | json_object_int_add(json_evpn, "esId", | |
2796 | zif->es_info.lid); | |
2797 | json_object_string_add( | |
2798 | json_evpn, "esSysmac", | |
2799 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2800 | sizeof(buf))); | |
2801 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2802 | sizeof(*zero_esi))) { | |
2803 | json_object_string_add(json_evpn, "esId", | |
2804 | esi_to_str(&zif->es_info.esi, | |
2805 | esi_buf, | |
2806 | sizeof(esi_buf))); | |
2807 | } | |
2808 | ||
2809 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
2810 | json_object_string_add( | |
2811 | json_evpn, "uplink", | |
2812 | CHECK_FLAG(zif->flags, | |
2813 | ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2814 | ? "up" | |
2815 | : "down"); | |
2816 | } else { | |
2817 | char mh_buf[80]; | |
2818 | bool vty_print = false; | |
2819 | ||
2820 | mh_buf[0] = '\0'; | |
2821 | strlcat(mh_buf, " EVPN-MH:", sizeof(mh_buf)); | |
2822 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2823 | vty_print = true; | |
2824 | snprintf(mh_buf + strlen(mh_buf), | |
2825 | sizeof(mh_buf) - strlen(mh_buf), | |
2826 | " ES id %u ES sysmac %s", zif->es_info.lid, | |
2827 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2828 | sizeof(buf))); | |
2829 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2830 | sizeof(*zero_esi))) { | |
2831 | vty_print = true; | |
2832 | snprintf(mh_buf + strnlen(mh_buf, sizeof(mh_buf)), | |
2833 | sizeof(mh_buf) | |
2834 | - strnlen(mh_buf, sizeof(mh_buf)), | |
2835 | " ES id %s", | |
2836 | esi_to_str(&zif->es_info.esi, esi_buf, | |
2837 | sizeof(esi_buf))); | |
2838 | } | |
ce5160c0 | 2839 | |
c15dc24f RW |
2840 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) { |
2841 | vty_print = true; | |
2842 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2843 | strlcat(mh_buf, " uplink (up)", sizeof(mh_buf)); | |
2844 | else | |
2845 | strlcat(mh_buf, " uplink (down)", | |
2846 | sizeof(mh_buf)); | |
2847 | } | |
2848 | ||
2849 | if (vty_print) | |
2850 | vty_out(vty, "%s\n", mh_buf); | |
2851 | } | |
ce5160c0 AK |
2852 | } |
2853 | ||
1a4f9efd AK |
2854 | static void zebra_evpn_local_mac_oper_state_change(struct zebra_evpn_es *es) |
2855 | { | |
3198b2b3 | 2856 | struct zebra_mac *mac; |
1a4f9efd AK |
2857 | struct listnode *node; |
2858 | ||
2859 | /* If fast-failover is supported by the dataplane via the use | |
2860 | * of an ES backup NHG there is nothing to be done in the | |
2861 | * control plane | |
2862 | */ | |
2863 | if (!(zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF)) | |
2864 | return; | |
2865 | ||
2866 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2867 | zlog_debug("mac slow-fail on es %s %s ", es->esi_str, | |
2868 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" : "down"); | |
2869 | ||
2870 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
2871 | if (!(mac->flags & ZEBRA_MAC_LOCAL) | |
2872 | || !zebra_evpn_mac_is_static(mac)) | |
2873 | continue; | |
2874 | ||
2875 | if (es->flags & ZEBRA_EVPNES_OPER_UP) { | |
2876 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2877 | zlog_debug( | |
2878 | "VNI %u mac %pEA move to acc %s es %s %s ", | |
2879 | mac->zevpn->vni, | |
2880 | &mac->macaddr, | |
2881 | es->zif->ifp->name, es->esi_str, | |
2882 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2883 | ? "up" | |
2884 | : "down"); | |
2885 | /* switch the local macs to access port */ | |
2886 | if (zebra_evpn_sync_mac_dp_install( | |
2887 | mac, false /*set_inactive*/, | |
2888 | false /*force_clear_static*/, __func__) | |
2889 | < 0) | |
2890 | /* if the local mac install fails get rid of the | |
2891 | * old rem entry | |
2892 | */ | |
2893 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
2894 | true /*force*/); | |
2895 | } else { | |
2896 | /* switch the local macs to network port. if there | |
2897 | * is no active NHG we don't bother deleting the MAC; | |
2898 | * that is left up to the dataplane to handle. | |
2899 | */ | |
2900 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
2901 | continue; | |
2902 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2903 | zlog_debug( | |
2904 | "VNI %u mac %pEA move to nhg %u es %s %s ", | |
2905 | mac->zevpn->vni, | |
2906 | &mac->macaddr, | |
2907 | es->nhg_id, es->esi_str, | |
2908 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2909 | ? "up" | |
2910 | : "down"); | |
2911 | zebra_evpn_rem_mac_install(mac->zevpn, mac, | |
2912 | true /*was_static*/); | |
2913 | } | |
2914 | } | |
2915 | } | |
2916 | ||
ce5160c0 AK |
2917 | void zebra_evpn_es_if_oper_state_change(struct zebra_if *zif, bool up) |
2918 | { | |
2919 | struct zebra_evpn_es *es = zif->es_info.es; | |
2920 | bool old_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
2921 | ||
2922 | if (old_up == up) | |
2923 | return; | |
2924 | ||
2925 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2926 | zlog_debug("es %s state changed to %s ", | |
2927 | es->esi_str, | |
2928 | up ? "up" : "down"); | |
2929 | if (up) | |
2930 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2931 | else | |
2932 | es->flags &= ~ZEBRA_EVPNES_OPER_UP; | |
2933 | ||
1103c5c6 | 2934 | zebra_evpn_es_run_df_election(es, __func__); |
15400f95 | 2935 | zebra_evpn_local_mac_oper_state_change(es); |
1103c5c6 | 2936 | |
ce5160c0 AK |
2937 | /* inform BGP of the ES oper state change */ |
2938 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2939 | zebra_evpn_es_send_add_to_client(es); | |
2940 | } | |
2941 | ||
9e0c2fd1 AK |
2942 | static char *zebra_evpn_es_vtep_str(char *vtep_str, struct zebra_evpn_es *es, |
2943 | uint8_t vtep_str_size) | |
ce5160c0 AK |
2944 | { |
2945 | struct zebra_evpn_es_vtep *zvtep; | |
2946 | struct listnode *node; | |
2947 | bool first = true; | |
2747f6f7 | 2948 | char ip_buf[INET6_ADDRSTRLEN]; |
ce5160c0 AK |
2949 | |
2950 | vtep_str[0] = '\0'; | |
2951 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, zvtep)) { | |
2952 | if (first) { | |
2953 | first = false; | |
2747f6f7 AK |
2954 | strlcat(vtep_str, |
2955 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
2956 | sizeof(ip_buf)), | |
9e0c2fd1 | 2957 | vtep_str_size); |
ce5160c0 | 2958 | } else { |
9e0c2fd1 | 2959 | strlcat(vtep_str, ",", vtep_str_size); |
2747f6f7 AK |
2960 | strlcat(vtep_str, |
2961 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
2962 | sizeof(ip_buf)), | |
9e0c2fd1 | 2963 | vtep_str_size); |
ce5160c0 AK |
2964 | } |
2965 | } | |
2966 | return vtep_str; | |
2967 | } | |
2968 | ||
acffa256 AK |
2969 | static void zebra_evpn_es_json_vtep_fill(struct zebra_evpn_es *es, |
2970 | json_object *json_vteps) | |
2971 | { | |
2972 | struct zebra_evpn_es_vtep *es_vtep; | |
2973 | struct listnode *node; | |
2974 | json_object *json_vtep_entry; | |
2975 | char alg_buf[EVPN_DF_ALG_STR_LEN]; | |
2976 | ||
2977 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
2978 | json_vtep_entry = json_object_new_object(); | |
08edf9c6 DA |
2979 | json_object_string_addf(json_vtep_entry, "vtep", "%pI4", |
2980 | &es_vtep->vtep_ip); | |
acffa256 AK |
2981 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
2982 | json_object_string_add( | |
2983 | json_vtep_entry, "dfAlgorithm", | |
2984 | evpn_es_df_alg2str(es_vtep->df_alg, alg_buf, | |
2985 | sizeof(alg_buf))); | |
2986 | json_object_int_add(json_vtep_entry, "dfPreference", | |
2987 | es_vtep->df_pref); | |
2988 | } | |
5de10c37 AK |
2989 | if (es_vtep->nh) |
2990 | json_object_int_add(json_vtep_entry, "nexthopId", | |
2991 | es_vtep->nh->nh_id); | |
acffa256 AK |
2992 | json_object_array_add(json_vteps, json_vtep_entry); |
2993 | } | |
2994 | } | |
2995 | ||
2996 | static void zebra_evpn_es_show_entry(struct vty *vty, struct zebra_evpn_es *es, | |
2997 | json_object *json_array) | |
ce5160c0 | 2998 | { |
00a7710c | 2999 | char type_str[5]; |
ce5160c0 AK |
3000 | char vtep_str[ES_VTEP_LIST_STR_SZ]; |
3001 | ||
acffa256 AK |
3002 | if (json_array) { |
3003 | json_object *json = NULL; | |
3004 | json_object *json_vteps; | |
3005 | json_object *json_flags; | |
3006 | ||
3007 | json = json_object_new_object(); | |
3008 | json_object_string_add(json, "esi", es->esi_str); | |
3009 | ||
3010 | if (es->flags | |
3011 | & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE | |
3012 | | ZEBRA_EVPNES_NON_DF)) { | |
3013 | json_flags = json_object_new_array(); | |
3014 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3015 | json_array_string_add(json_flags, "local"); | |
3016 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3017 | json_array_string_add(json_flags, "remote"); | |
3018 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3019 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3020 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3021 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3022 | json_object_object_add(json, "flags", json_flags); |
3023 | } | |
3024 | ||
3025 | if (es->zif) | |
3026 | json_object_string_add(json, "accessPort", | |
3027 | es->zif->ifp->name); | |
3028 | ||
3029 | if (listcount(es->es_vtep_list)) { | |
3030 | json_vteps = json_object_new_array(); | |
3031 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3032 | json_object_object_add(json, "vteps", json_vteps); | |
3033 | } | |
3034 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
3035 | } else { |
3036 | type_str[0] = '\0'; | |
3037 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3038 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 | 3039 | if (es->flags & ZEBRA_EVPNES_REMOTE) |
9e0c2fd1 | 3040 | strlcat(type_str, "R", sizeof(type_str)); |
1103c5c6 AK |
3041 | if (es->flags & ZEBRA_EVPNES_NON_DF) |
3042 | strlcat(type_str, "N", sizeof(type_str)); | |
00a7710c AK |
3043 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3044 | strlcat(type_str, "B", sizeof(type_str)); | |
ce5160c0 | 3045 | |
9e0c2fd1 | 3046 | zebra_evpn_es_vtep_str(vtep_str, es, sizeof(vtep_str)); |
ce5160c0 AK |
3047 | |
3048 | vty_out(vty, "%-30s %-4s %-21s %s\n", | |
3049 | es->esi_str, type_str, | |
3050 | es->zif ? es->zif->ifp->name : "-", | |
3051 | vtep_str); | |
3052 | } | |
3053 | } | |
3054 | ||
3055 | static void zebra_evpn_es_show_entry_detail(struct vty *vty, | |
3056 | struct zebra_evpn_es *es, json_object *json) | |
3057 | { | |
3058 | char type_str[80]; | |
1103c5c6 AK |
3059 | char alg_buf[EVPN_DF_ALG_STR_LEN]; |
3060 | struct zebra_evpn_es_vtep *es_vtep; | |
ce5160c0 | 3061 | struct listnode *node; |
35f5c31b | 3062 | char thread_buf[THREAD_TIMER_STRLEN]; |
ce5160c0 AK |
3063 | |
3064 | if (json) { | |
acffa256 AK |
3065 | json_object *json_vteps; |
3066 | json_object *json_flags; | |
3067 | ||
3068 | json_object_string_add(json, "esi", es->esi_str); | |
3069 | if (es->zif) | |
3070 | json_object_string_add(json, "accessPort", | |
3071 | es->zif->ifp->name); | |
3072 | ||
3073 | ||
3074 | if (es->flags) { | |
3075 | json_flags = json_object_new_array(); | |
3076 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3077 | json_array_string_add(json_flags, "local"); | |
3078 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3079 | json_array_string_add(json_flags, "remote"); | |
3080 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3081 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3082 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3083 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3084 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3085 | json_array_string_add(json_flags, | |
3086 | "readyForBgp"); | |
3087 | if (es->flags & ZEBRA_EVPNES_BR_PORT) | |
3088 | json_array_string_add(json_flags, "bridgePort"); | |
3089 | if (es->flags & ZEBRA_EVPNES_OPER_UP) | |
3090 | json_array_string_add(json_flags, "operUp"); | |
3091 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
3092 | json_array_string_add(json_flags, | |
3093 | "nexthopGroupActive"); | |
3094 | json_object_object_add(json, "flags", json_flags); | |
3095 | } | |
3096 | ||
3097 | json_object_int_add(json, "vniCount", | |
3098 | listcount(es->es_evi_list)); | |
3099 | json_object_int_add(json, "macCount", listcount(es->mac_list)); | |
3100 | json_object_int_add(json, "dfPreference", es->df_pref); | |
35f5c31b AK |
3101 | if (es->df_delay_timer) |
3102 | json_object_string_add( | |
3103 | json, "dfDelayTimer", | |
3104 | thread_timer_to_hhmmss(thread_buf, | |
3105 | sizeof(thread_buf), | |
3106 | es->df_delay_timer)); | |
acffa256 AK |
3107 | json_object_int_add(json, "nexthopGroup", es->nhg_id); |
3108 | if (listcount(es->es_vtep_list)) { | |
3109 | json_vteps = json_object_new_array(); | |
3110 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3111 | json_object_object_add(json, "vteps", json_vteps); | |
3112 | } | |
ce5160c0 AK |
3113 | } else { |
3114 | type_str[0] = '\0'; | |
3115 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3116 | strlcat(type_str, "Local", sizeof(type_str)); |
ce5160c0 | 3117 | if (es->flags & ZEBRA_EVPNES_REMOTE) { |
9e0c2fd1 AK |
3118 | if (strnlen(type_str, sizeof(type_str))) |
3119 | strlcat(type_str, ",", sizeof(type_str)); | |
3120 | strlcat(type_str, "Remote", sizeof(type_str)); | |
ce5160c0 AK |
3121 | } |
3122 | ||
3123 | vty_out(vty, "ESI: %s\n", es->esi_str); | |
3124 | vty_out(vty, " Type: %s\n", type_str); | |
3125 | vty_out(vty, " Interface: %s\n", | |
3126 | (es->zif) ? | |
3127 | es->zif->ifp->name : "-"); | |
72f2674a AK |
3128 | if (es->flags & ZEBRA_EVPNES_LOCAL) { |
3129 | vty_out(vty, " State: %s\n", | |
3130 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" | |
3131 | : "down"); | |
3132 | vty_out(vty, " Bridge port: %s\n", | |
3133 | (es->flags & ZEBRA_EVPNES_BR_PORT) ? "yes" | |
3134 | : "no"); | |
3135 | } | |
ce5160c0 AK |
3136 | vty_out(vty, " Ready for BGP: %s\n", |
3137 | (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) ? | |
3138 | "yes" : "no"); | |
00a7710c AK |
3139 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3140 | vty_out(vty, " LACP bypass: on\n"); | |
ce5160c0 | 3141 | vty_out(vty, " VNI Count: %d\n", listcount(es->es_evi_list)); |
b169fd6f | 3142 | vty_out(vty, " MAC Count: %d\n", listcount(es->mac_list)); |
35f5c31b AK |
3143 | if (es->flags & ZEBRA_EVPNES_LOCAL) |
3144 | vty_out(vty, " DF status: %s \n", | |
3145 | (es->flags & ZEBRA_EVPNES_NON_DF) ? "non-df" | |
3146 | : "df"); | |
3147 | if (es->df_delay_timer) | |
3148 | vty_out(vty, " DF delay: %s\n", | |
3149 | thread_timer_to_hhmmss(thread_buf, | |
3150 | sizeof(thread_buf), | |
3151 | es->df_delay_timer)); | |
3152 | vty_out(vty, " DF preference: %u\n", es->df_pref); | |
dfa3d3d7 | 3153 | vty_out(vty, " Nexthop group: %u\n", es->nhg_id); |
ce5160c0 | 3154 | vty_out(vty, " VTEPs:\n"); |
1103c5c6 AK |
3155 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { |
3156 | vty_out(vty, " %pI4", | |
3157 | &es_vtep->vtep_ip); | |
3158 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) | |
3159 | vty_out(vty, " df_alg: %s df_pref: %d", | |
3160 | evpn_es_df_alg2str(es_vtep->df_alg, | |
3161 | alg_buf, | |
3162 | sizeof(alg_buf)), | |
3163 | es_vtep->df_pref); | |
5de10c37 AK |
3164 | vty_out(vty, " nh: %u\n", |
3165 | es_vtep->nh ? es_vtep->nh->nh_id : 0); | |
1103c5c6 | 3166 | } |
ce5160c0 AK |
3167 | |
3168 | vty_out(vty, "\n"); | |
3169 | } | |
3170 | } | |
3171 | ||
3172 | void zebra_evpn_es_show(struct vty *vty, bool uj) | |
3173 | { | |
3174 | struct zebra_evpn_es *es; | |
acffa256 | 3175 | json_object *json_array = NULL; |
ce5160c0 AK |
3176 | |
3177 | if (uj) { | |
acffa256 | 3178 | json_array = json_object_new_array(); |
ce5160c0 | 3179 | } else { |
00a7710c | 3180 | vty_out(vty, "Type: B bypass, L local, R remote, N non-DF\n"); |
ce5160c0 AK |
3181 | vty_out(vty, "%-30s %-4s %-21s %s\n", |
3182 | "ESI", "Type", "ES-IF", "VTEPs"); | |
3183 | } | |
3184 | ||
3185 | RB_FOREACH(es, zebra_es_rb_head, &zmh_info->es_rb_tree) | |
acffa256 AK |
3186 | zebra_evpn_es_show_entry(vty, es, json_array); |
3187 | ||
c48349e3 | 3188 | if (uj) |
962af8a8 | 3189 | vty_json(vty, json_array); |
ce5160c0 AK |
3190 | } |
3191 | ||
3192 | void zebra_evpn_es_show_detail(struct vty *vty, bool uj) | |
3193 | { | |
3194 | struct zebra_evpn_es *es; | |
acffa256 | 3195 | json_object *json_array = NULL; |
ce5160c0 | 3196 | |
acffa256 AK |
3197 | if (uj) |
3198 | json_array = json_object_new_array(); | |
3199 | ||
3200 | RB_FOREACH (es, zebra_es_rb_head, &zmh_info->es_rb_tree) { | |
3201 | json_object *json = NULL; | |
3202 | ||
3203 | if (uj) | |
3204 | json = json_object_new_object(); | |
ce5160c0 | 3205 | zebra_evpn_es_show_entry_detail(vty, es, json); |
acffa256 AK |
3206 | if (uj) |
3207 | json_object_array_add(json_array, json); | |
3208 | } | |
3209 | ||
c48349e3 | 3210 | if (uj) |
962af8a8 | 3211 | vty_json(vty, json_array); |
ce5160c0 AK |
3212 | } |
3213 | ||
3214 | void zebra_evpn_es_show_esi(struct vty *vty, bool uj, esi_t *esi) | |
3215 | { | |
3216 | struct zebra_evpn_es *es; | |
3217 | char esi_str[ESI_STR_LEN]; | |
3218 | json_object *json = NULL; | |
3219 | ||
acffa256 AK |
3220 | if (uj) |
3221 | json = json_object_new_object(); | |
3222 | ||
ce5160c0 AK |
3223 | es = zebra_evpn_es_find(esi); |
3224 | ||
acffa256 AK |
3225 | if (es) { |
3226 | zebra_evpn_es_show_entry_detail(vty, es, json); | |
3227 | } else { | |
3228 | if (!uj) { | |
3229 | esi_to_str(esi, esi_str, sizeof(esi_str)); | |
3230 | vty_out(vty, "ESI %s does not exist\n", esi_str); | |
3231 | } | |
ce5160c0 AK |
3232 | } |
3233 | ||
c48349e3 | 3234 | if (uj) |
962af8a8 | 3235 | vty_json(vty, json); |
ce5160c0 AK |
3236 | } |
3237 | ||
3238 | int zebra_evpn_mh_if_write(struct vty *vty, struct interface *ifp) | |
3239 | { | |
3240 | struct zebra_if *zif = ifp->info; | |
3241 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b AK |
3242 | bool type_3_esi = false; |
3243 | char esi_buf[ESI_STR_LEN]; | |
ce5160c0 | 3244 | |
325d694b | 3245 | if (zif->es_info.lid) { |
ce5160c0 | 3246 | vty_out(vty, " evpn mh es-id %u\n", zif->es_info.lid); |
325d694b AK |
3247 | type_3_esi = true; |
3248 | } | |
ce5160c0 | 3249 | |
325d694b | 3250 | if (!is_zero_mac(&zif->es_info.sysmac)) { |
ce5160c0 AK |
3251 | vty_out(vty, " evpn mh es-sys-mac %s\n", |
3252 | prefix_mac2str(&zif->es_info.sysmac, | |
3253 | buf, sizeof(buf))); | |
325d694b AK |
3254 | type_3_esi = true; |
3255 | } | |
3256 | ||
3257 | if (!type_3_esi | |
3258 | && memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3259 | vty_out(vty, " evpn mh es-id %s\n", | |
3260 | esi_to_str(&zif->es_info.esi, esi_buf, sizeof(esi_buf))); | |
1103c5c6 AK |
3261 | |
3262 | if (zif->es_info.df_pref) | |
3263 | vty_out(vty, " evpn mh es-df-pref %u\n", zif->es_info.df_pref); | |
3264 | ||
c36e442c AK |
3265 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) |
3266 | vty_out(vty, " evpn mh uplink\n"); | |
3267 | ||
ce5160c0 AK |
3268 | return 0; |
3269 | } | |
3270 | ||
3271 | #ifndef VTYSH_EXTRACT_PL | |
3272 | #include "zebra/zebra_evpn_mh_clippy.c" | |
3273 | #endif | |
00a7710c AK |
3274 | /* CLI for setting an ES in bypass mode */ |
3275 | DEFPY_HIDDEN(zebra_evpn_es_bypass, zebra_evpn_es_bypass_cmd, | |
3276 | "[no] evpn mh bypass", | |
3277 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "set bypass mode\n") | |
3278 | { | |
3279 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3280 | struct zebra_if *zif; | |
3281 | ||
3282 | zif = ifp->info; | |
3283 | ||
3284 | if (no) { | |
3285 | zebra_evpn_es_bypass_cfg_update(zif, false); | |
3286 | } else { | |
3287 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3288 | vty_out(vty, | |
3289 | "%%DF bypass cannot be associated with this interface type\n"); | |
3290 | return CMD_WARNING; | |
3291 | } | |
3292 | zebra_evpn_es_bypass_cfg_update(zif, true); | |
3293 | } | |
3294 | return CMD_SUCCESS; | |
3295 | } | |
3296 | ||
1103c5c6 AK |
3297 | /* CLI for configuring DF preference part for an ES */ |
3298 | DEFPY(zebra_evpn_es_pref, zebra_evpn_es_pref_cmd, | |
3299 | "[no$no] evpn mh es-df-pref [(1-65535)$df_pref]", | |
3300 | NO_STR "EVPN\n" EVPN_MH_VTY_STR | |
3301 | "preference value used for DF election\n" | |
00a7710c | 3302 | "pref\n") |
1103c5c6 AK |
3303 | { |
3304 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3305 | struct zebra_if *zif; | |
3306 | ||
3307 | zif = ifp->info; | |
3308 | ||
3309 | if (no) { | |
3310 | zebra_evpn_es_df_pref_update(zif, 0); | |
3311 | } else { | |
3312 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3313 | vty_out(vty, | |
3314 | "%%DF preference cannot be associated with this interface type\n"); | |
3315 | return CMD_WARNING; | |
3316 | } | |
3317 | zebra_evpn_es_df_pref_update(zif, df_pref); | |
3318 | } | |
3319 | return CMD_SUCCESS; | |
3320 | } | |
3321 | ||
ce5160c0 AK |
3322 | /* CLI for setting up sysmac part of ESI on an access port */ |
3323 | DEFPY(zebra_evpn_es_sys_mac, | |
3324 | zebra_evpn_es_sys_mac_cmd, | |
3325 | "[no$no] evpn mh es-sys-mac [X:X:X:X:X:X$mac]", | |
3326 | NO_STR | |
3327 | "EVPN\n" | |
3328 | EVPN_MH_VTY_STR | |
3329 | "Ethernet segment system MAC\n" | |
3330 | MAC_STR | |
3331 | ) | |
3332 | { | |
3333 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3334 | struct zebra_if *zif; | |
3335 | int ret = 0; | |
3336 | ||
3337 | zif = ifp->info; | |
3338 | ||
3339 | if (no) { | |
3340 | static struct ethaddr zero_mac; | |
3341 | ||
3342 | ret = zebra_evpn_es_sys_mac_update(zif, &zero_mac); | |
3343 | if (ret == -1) { | |
3344 | vty_out(vty, "%%Failed to clear ES sysmac\n"); | |
3345 | return CMD_WARNING; | |
3346 | } | |
3347 | } else { | |
3348 | ||
3349 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3350 | vty_out(vty, | |
3351 | "%%ESI cannot be associated with this interface type\n"); | |
3352 | return CMD_WARNING; | |
3353 | } | |
3354 | ||
3355 | if (!mac || is_zero_mac(&mac->eth_addr)) { | |
3356 | vty_out(vty, "%%ES sysmac value is invalid\n"); | |
3357 | return CMD_WARNING; | |
3358 | } | |
3359 | ||
3360 | ret = zebra_evpn_es_sys_mac_update(zif, &mac->eth_addr); | |
3361 | if (ret == -1) { | |
3362 | vty_out(vty, "%%ESI already exists on a different interface\n"); | |
3363 | return CMD_WARNING; | |
3364 | } | |
3365 | } | |
3366 | return CMD_SUCCESS; | |
3367 | } | |
3368 | ||
3369 | /* CLI for setting up local-ID part of ESI on an access port */ | |
3370 | DEFPY(zebra_evpn_es_id, | |
3371 | zebra_evpn_es_id_cmd, | |
325d694b | 3372 | "[no$no] evpn mh es-id [(1-16777215)$es_lid | NAME$esi_str]", |
ce5160c0 AK |
3373 | NO_STR |
3374 | "EVPN\n" | |
3375 | EVPN_MH_VTY_STR | |
325d694b AK |
3376 | "Ethernet segment identifier\n" |
3377 | "local discriminator\n" | |
3378 | "10-byte ID - 00:AA:BB:CC:DD:EE:FF:GG:HH:II\n" | |
ce5160c0 AK |
3379 | ) |
3380 | { | |
3381 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3382 | struct zebra_if *zif; | |
325d694b AK |
3383 | int ret = 0; |
3384 | esi_t esi; | |
ce5160c0 AK |
3385 | |
3386 | zif = ifp->info; | |
3387 | ||
3388 | if (no) { | |
325d694b AK |
3389 | if (zif->es_info.lid) |
3390 | ret = zebra_evpn_es_lid_update(zif, 0); | |
3391 | else if (memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3392 | ret = zebra_evpn_es_type0_esi_update(zif, zero_esi); | |
3393 | ||
ce5160c0 | 3394 | if (ret == -1) { |
2e39ebbb | 3395 | vty_out(vty, |
3396 | "%% Failed to clear ES local id or ESI name\n"); | |
ce5160c0 AK |
3397 | return CMD_WARNING; |
3398 | } | |
3399 | } else { | |
3400 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3401 | vty_out(vty, | |
3402 | "%%ESI cannot be associated with this interface type\n"); | |
3403 | return CMD_WARNING; | |
3404 | } | |
3405 | ||
325d694b AK |
3406 | if (esi_str) { |
3407 | if (!str_to_esi(esi_str, &esi)) { | |
2e39ebbb | 3408 | vty_out(vty, "%% Malformed ESI name\n"); |
325d694b AK |
3409 | return CMD_WARNING; |
3410 | } | |
3411 | ret = zebra_evpn_es_type0_esi_update(zif, &esi); | |
3412 | } else { | |
3413 | if (!es_lid) { | |
2e39ebbb | 3414 | vty_out(vty, |
3415 | "%% Specify ES local id or ESI name\n"); | |
325d694b AK |
3416 | return CMD_WARNING; |
3417 | } | |
3418 | ret = zebra_evpn_es_lid_update(zif, es_lid); | |
ce5160c0 | 3419 | } |
325d694b | 3420 | |
ce5160c0 AK |
3421 | if (ret == -1) { |
3422 | vty_out(vty, | |
325d694b | 3423 | "%%ESI already exists on a different interface\n"); |
ce5160c0 AK |
3424 | return CMD_WARNING; |
3425 | } | |
3426 | } | |
3427 | return CMD_SUCCESS; | |
3428 | } | |
3429 | ||
c36e442c AK |
3430 | /* CLI for tagging an interface as an uplink */ |
3431 | DEFPY(zebra_evpn_mh_uplink, zebra_evpn_mh_uplink_cmd, "[no] evpn mh uplink", | |
3432 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "uplink to the VxLAN core\n") | |
3433 | { | |
3434 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3435 | struct zebra_if *zif; | |
3436 | ||
3437 | zif = ifp->info; | |
3438 | zebra_evpn_mh_uplink_cfg_update(zif, no ? false : true); | |
3439 | ||
3440 | return CMD_SUCCESS; | |
3441 | } | |
3442 | ||
3443 | void zebra_evpn_mh_json(json_object *json) | |
3444 | { | |
3445 | json_object *json_array; | |
3446 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3447 | ||
3448 | json_object_int_add(json, "macHoldtime", zmh_info->mac_hold_time); | |
3449 | json_object_int_add(json, "neighHoldtime", zmh_info->neigh_hold_time); | |
3450 | json_object_int_add(json, "startupDelay", zmh_info->startup_delay_time); | |
3451 | json_object_string_add( | |
3452 | json, "startupDelayTimer", | |
3453 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3454 | zmh_info->startup_delay_timer)); | |
3455 | json_object_int_add(json, "uplinkConfigCount", | |
3456 | zmh_info->uplink_cfg_cnt); | |
3457 | json_object_int_add(json, "uplinkActiveCount", | |
3458 | zmh_info->uplink_oper_up_cnt); | |
3459 | ||
3460 | if (zmh_info->protodown_rc) { | |
3461 | json_array = json_object_new_array(); | |
7140b00c SW |
3462 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3463 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY)) | |
c36e442c AK |
3464 | json_object_array_add( |
3465 | json_array, | |
3466 | json_object_new_string("startupDelay")); | |
7140b00c SW |
3467 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3468 | ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN)) | |
47c1d76a SW |
3469 | json_object_array_add( |
3470 | json_array, | |
c36e442c AK |
3471 | json_object_new_string("uplinkDown")); |
3472 | json_object_object_add(json, "protodownReasons", json_array); | |
3473 | } | |
3474 | } | |
3475 | ||
3476 | void zebra_evpn_mh_print(struct vty *vty) | |
3477 | { | |
3478 | char pd_buf[ZEBRA_PROTODOWN_RC_STR_LEN]; | |
3479 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3480 | ||
3481 | vty_out(vty, "EVPN MH:\n"); | |
3482 | vty_out(vty, " mac-holdtime: %ds, neigh-holdtime: %ds\n", | |
3483 | zmh_info->mac_hold_time, zmh_info->neigh_hold_time); | |
3484 | vty_out(vty, " startup-delay: %ds, start-delay-timer: %s\n", | |
3485 | zmh_info->startup_delay_time, | |
3486 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3487 | zmh_info->startup_delay_timer)); | |
3488 | vty_out(vty, " uplink-cfg-cnt: %u, uplink-active-cnt: %u\n", | |
3489 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3490 | if (zmh_info->protodown_rc) | |
26ba45e3 | 3491 | vty_out(vty, " protodown reasons: %s\n", |
c36e442c AK |
3492 | zebra_protodown_rc_str(zmh_info->protodown_rc, pd_buf, |
3493 | sizeof(pd_buf))); | |
3494 | } | |
3495 | ||
ce5160c0 AK |
3496 | /*****************************************************************************/ |
3497 | /* A base L2-VNI is maintained to derive parameters such as ES originator-IP. | |
3498 | * XXX: once single vxlan device model becomes available this will not be | |
3499 | * necessary | |
3500 | */ | |
3501 | /* called when a new vni is added or becomes oper up or becomes a bridge port */ | |
f6371c34 | 3502 | void zebra_evpn_es_set_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3503 | { |
3504 | struct listnode *node; | |
3505 | struct zebra_evpn_es *es; | |
3506 | ||
87d76d54 PR |
3507 | if (zmh_info->es_base_evpn) { |
3508 | if (zmh_info->es_base_evpn != zevpn) { | |
3509 | /* unrelated EVPN; ignore it */ | |
ce5160c0 AK |
3510 | return; |
3511 | } | |
3512 | /* check if the local vtep-ip has changed */ | |
3513 | } else { | |
87d76d54 PR |
3514 | /* check if the EVPN can be used as base EVPN */ |
3515 | if (!zebra_evpn_send_to_client_ok(zevpn)) | |
ce5160c0 AK |
3516 | return; |
3517 | ||
3518 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3519 | zlog_debug("es base vni set to %d", | |
87d76d54 PR |
3520 | zevpn->vni); |
3521 | zmh_info->es_base_evpn = zevpn; | |
ce5160c0 AK |
3522 | } |
3523 | ||
3524 | /* update local VTEP-IP */ | |
3525 | if (zmh_info->es_originator_ip.s_addr == | |
87d76d54 | 3526 | zmh_info->es_base_evpn->local_vtep_ip.s_addr) |
ce5160c0 AK |
3527 | return; |
3528 | ||
3529 | zmh_info->es_originator_ip.s_addr = | |
87d76d54 | 3530 | zmh_info->es_base_evpn->local_vtep_ip.s_addr; |
ce5160c0 AK |
3531 | |
3532 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
3533 | zlog_debug("es originator ip set to %pI4", |
3534 | &zmh_info->es_base_evpn->local_vtep_ip); | |
ce5160c0 AK |
3535 | |
3536 | /* if originator ip changes we need to update bgp */ | |
3537 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
1103c5c6 AK |
3538 | zebra_evpn_es_run_df_election(es, __func__); |
3539 | ||
ce5160c0 AK |
3540 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3541 | zebra_evpn_es_send_add_to_client(es); | |
3542 | else | |
3543 | zebra_evpn_es_re_eval_send_to_client(es, | |
3544 | true /* es_evi_re_reval */); | |
3545 | } | |
3546 | } | |
3547 | ||
3548 | /* called when a vni is removed or becomes oper down or is removed from a | |
3549 | * bridge | |
3550 | */ | |
f6371c34 | 3551 | void zebra_evpn_es_clear_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3552 | { |
3553 | struct listnode *node; | |
3554 | struct zebra_evpn_es *es; | |
3555 | ||
87d76d54 | 3556 | if (zmh_info->es_base_evpn != zevpn) |
ce5160c0 AK |
3557 | return; |
3558 | ||
87d76d54 PR |
3559 | zmh_info->es_base_evpn = NULL; |
3560 | /* lost current base EVPN; try to find a new one */ | |
3561 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 | 3562 | |
87d76d54 PR |
3563 | /* couldn't locate an eligible base evpn */ |
3564 | if (!zmh_info->es_base_evpn && zmh_info->es_originator_ip.s_addr) { | |
ce5160c0 AK |
3565 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3566 | zlog_debug("es originator ip cleared"); | |
3567 | ||
3568 | zmh_info->es_originator_ip.s_addr = 0; | |
3569 | /* lost originator ip */ | |
3570 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
3571 | zebra_evpn_es_re_eval_send_to_client(es, | |
3572 | true /* es_evi_re_reval */); | |
3573 | } | |
3574 | } | |
3575 | } | |
3576 | ||
3577 | /* Locate an "eligible" L2-VNI to follow */ | |
87d76d54 | 3578 | static int zebra_evpn_es_get_one_base_evpn_cb(struct hash_bucket *b, void *data) |
ce5160c0 | 3579 | { |
f6371c34 | 3580 | struct zebra_evpn *zevpn = b->data; |
ce5160c0 | 3581 | |
87d76d54 | 3582 | zebra_evpn_es_set_base_evpn(zevpn); |
ce5160c0 | 3583 | |
87d76d54 | 3584 | if (zmh_info->es_base_evpn) |
ce5160c0 AK |
3585 | return HASHWALK_ABORT; |
3586 | ||
3587 | return HASHWALK_CONTINUE; | |
3588 | } | |
3589 | ||
87d76d54 | 3590 | /* locate a base_evpn to follow for the purposes of common params like |
ce5160c0 AK |
3591 | * originator IP |
3592 | */ | |
87d76d54 | 3593 | static void zebra_evpn_es_get_one_base_evpn(void) |
ce5160c0 AK |
3594 | { |
3595 | struct zebra_vrf *zvrf; | |
3596 | ||
3597 | zvrf = zebra_vrf_get_evpn(); | |
87d76d54 | 3598 | hash_walk(zvrf->evpn_table, zebra_evpn_es_get_one_base_evpn_cb, NULL); |
ce5160c0 AK |
3599 | } |
3600 | ||
c36e442c AK |
3601 | /***************************************************************************** |
3602 | * local ethernet segments can be error-disabled if the switch is not | |
3603 | * ready to start transmitting traffic via the VxLAN overlay | |
3604 | */ | |
3605 | bool zebra_evpn_is_es_bond(struct interface *ifp) | |
3606 | { | |
3607 | struct zebra_if *zif = ifp->info; | |
3608 | ||
3609 | return !!(struct zebra_if *)zif->es_info.es; | |
3610 | } | |
3611 | ||
3612 | bool zebra_evpn_is_es_bond_member(struct interface *ifp) | |
3613 | { | |
3614 | struct zebra_if *zif = ifp->info; | |
3615 | ||
3616 | return IS_ZEBRA_IF_BOND_SLAVE(zif->ifp) && zif->bondslave_info.bond_if | |
3617 | && ((struct zebra_if *)zif->bondslave_info.bond_if->info) | |
3618 | ->es_info.es; | |
3619 | } | |
3620 | ||
3621 | void zebra_evpn_mh_update_protodown_bond_mbr(struct zebra_if *zif, bool clear, | |
3622 | const char *caller) | |
3623 | { | |
c36e442c | 3624 | bool new_protodown; |
5d414138 SW |
3625 | uint32_t old_protodown_rc = 0; |
3626 | uint32_t new_protodown_rc = 0; | |
3627 | uint32_t protodown_rc = 0; | |
c36e442c AK |
3628 | |
3629 | if (!clear) { | |
3630 | struct zebra_if *bond_zif; | |
3631 | ||
3632 | bond_zif = zif->bondslave_info.bond_if->info; | |
3633 | protodown_rc = bond_zif->protodown_rc; | |
3634 | } | |
3635 | ||
c36e442c | 3636 | old_protodown_rc = zif->protodown_rc; |
26a64ff9 | 3637 | new_protodown_rc = (old_protodown_rc & ~ZEBRA_PROTODOWN_EVPN_ALL); |
5d414138 SW |
3638 | new_protodown_rc |= (protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); |
3639 | new_protodown = !!new_protodown_rc; | |
c36e442c | 3640 | |
5d414138 | 3641 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES && (new_protodown_rc != old_protodown_rc)) |
c36e442c AK |
3642 | zlog_debug( |
3643 | "%s bond mbr %s protodown_rc changed; old 0x%x new 0x%x", | |
3644 | caller, zif->ifp->name, old_protodown_rc, | |
5d414138 | 3645 | new_protodown_rc); |
c36e442c | 3646 | |
cb5b31f5 SW |
3647 | if (zebra_if_update_protodown_rc(zif->ifp, new_protodown, |
3648 | new_protodown_rc) == 0) { | |
5d414138 SW |
3649 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3650 | zlog_debug("%s protodown %s", zif->ifp->name, | |
3651 | new_protodown ? "on" : "off"); | |
3652 | } | |
c36e442c AK |
3653 | } |
3654 | ||
3655 | /* The bond members inherit the protodown reason code from the bond */ | |
3656 | static void zebra_evpn_mh_update_protodown_bond(struct zebra_if *bond_zif) | |
3657 | { | |
3658 | struct zebra_if *zif; | |
3659 | struct listnode *node; | |
3660 | ||
3661 | if (!bond_zif->bond_info.mbr_zifs) | |
3662 | return; | |
3663 | ||
3664 | for (ALL_LIST_ELEMENTS_RO(bond_zif->bond_info.mbr_zifs, node, zif)) { | |
3665 | zebra_evpn_mh_update_protodown_bond_mbr(zif, false /*clear*/, | |
3666 | __func__); | |
3667 | } | |
3668 | } | |
3669 | ||
3670 | /* The global EVPN MH protodown rc is applied to all local ESs */ | |
2bcf92e1 AK |
3671 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
3672 | bool resync_dplane) | |
c36e442c AK |
3673 | { |
3674 | struct zebra_if *zif; | |
5d414138 | 3675 | uint32_t old_protodown_rc; |
c36e442c AK |
3676 | |
3677 | zif = es->zif; | |
2bcf92e1 AK |
3678 | /* if the reason code is the same bail unless it is a new |
3679 | * ES bond in that case we would need to ensure that the | |
3680 | * dplane is really in sync with zebra | |
3681 | */ | |
3682 | if (!resync_dplane | |
3683 | && (zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL) | |
3684 | == (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
c36e442c AK |
3685 | return; |
3686 | ||
3687 | old_protodown_rc = zif->protodown_rc; | |
3688 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3689 | zif->protodown_rc |= | |
3690 | (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); | |
3691 | ||
2bcf92e1 AK |
3692 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES |
3693 | && (old_protodown_rc != zif->protodown_rc)) | |
c36e442c AK |
3694 | zlog_debug( |
3695 | "es %s ifp %s protodown_rc changed; old 0x%x new 0x%x", | |
3696 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3697 | zif->protodown_rc); | |
3698 | ||
3699 | /* update dataplane with the new protodown setting */ | |
3700 | zebra_evpn_mh_update_protodown_bond(zif); | |
3701 | } | |
3702 | ||
3703 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es) | |
3704 | { | |
3705 | struct zebra_if *zif; | |
5d414138 | 3706 | uint32_t old_protodown_rc; |
c36e442c AK |
3707 | |
3708 | zif = es->zif; | |
3709 | if (!(zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
3710 | return; | |
3711 | ||
3712 | old_protodown_rc = zif->protodown_rc; | |
3713 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3714 | ||
3715 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3716 | zlog_debug( | |
3717 | "clear: es %s ifp %s protodown_rc cleared; old 0x%x new 0x%x", | |
3718 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3719 | zif->protodown_rc); | |
3720 | ||
3721 | /* update dataplane with the new protodown setting */ | |
3722 | zebra_evpn_mh_update_protodown_bond(zif); | |
3723 | } | |
3724 | ||
3725 | static void zebra_evpn_mh_update_protodown_es_all(void) | |
3726 | { | |
3727 | struct listnode *node; | |
3728 | struct zebra_evpn_es *es; | |
3729 | ||
3730 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) | |
2bcf92e1 | 3731 | zebra_evpn_mh_update_protodown_es(es, false /*resync_dplane*/); |
c36e442c AK |
3732 | } |
3733 | ||
5d414138 | 3734 | static void zebra_evpn_mh_update_protodown(uint32_t protodown_rc, bool set) |
c36e442c | 3735 | { |
5d414138 | 3736 | uint32_t old_protodown_rc = zmh_info->protodown_rc; |
c36e442c AK |
3737 | |
3738 | if (set) { | |
3739 | if ((protodown_rc & zmh_info->protodown_rc) == protodown_rc) | |
3740 | return; | |
3741 | ||
3742 | zmh_info->protodown_rc |= protodown_rc; | |
3743 | } else { | |
3744 | if (!(protodown_rc & zmh_info->protodown_rc)) | |
3745 | return; | |
3746 | zmh_info->protodown_rc &= ~protodown_rc; | |
3747 | } | |
3748 | ||
3749 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3750 | zlog_debug("mh protodown_rc changed; old 0x%x new 0x%x", | |
3751 | old_protodown_rc, zmh_info->protodown_rc); | |
3752 | zebra_evpn_mh_update_protodown_es_all(); | |
3753 | } | |
3754 | ||
3755 | static inline bool zebra_evpn_mh_is_all_uplinks_down(void) | |
3756 | { | |
3757 | return zmh_info->uplink_cfg_cnt && !zmh_info->uplink_oper_up_cnt; | |
3758 | } | |
3759 | ||
3760 | static void zebra_evpn_mh_uplink_oper_flags_update(struct zebra_if *zif, | |
3761 | bool set) | |
3762 | { | |
3763 | if (set) { | |
3764 | if (if_is_operative(zif->ifp)) { | |
3765 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP)) { | |
3766 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3767 | ++zmh_info->uplink_oper_up_cnt; | |
3768 | } | |
3769 | } else { | |
3770 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) { | |
3771 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3772 | if (zmh_info->uplink_oper_up_cnt) | |
3773 | --zmh_info->uplink_oper_up_cnt; | |
3774 | } | |
3775 | } | |
3776 | } else { | |
3777 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) { | |
3778 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3779 | if (zmh_info->uplink_oper_up_cnt) | |
3780 | --zmh_info->uplink_oper_up_cnt; | |
3781 | } | |
3782 | } | |
3783 | } | |
3784 | ||
3785 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set) | |
3786 | { | |
3787 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3788 | bool new_protodown; | |
3789 | ||
3790 | if (set) { | |
3791 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
3792 | return; | |
3793 | ||
3794 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK; | |
3795 | ++zmh_info->uplink_cfg_cnt; | |
3796 | } else { | |
3797 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK)) | |
3798 | return; | |
3799 | ||
3800 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK; | |
3801 | if (zmh_info->uplink_cfg_cnt) | |
3802 | --zmh_info->uplink_cfg_cnt; | |
3803 | } | |
3804 | ||
3805 | zebra_evpn_mh_uplink_oper_flags_update(zif, set); | |
3806 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3807 | if (old_protodown == new_protodown) | |
3808 | return; | |
3809 | ||
3810 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3811 | zlog_debug( | |
3812 | "mh-uplink-cfg-chg on if %s/%d %s uplinks cfg %u up %u", | |
3813 | zif->ifp->name, zif->ifp->ifindex, set ? "set" : "down", | |
3814 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3815 | ||
3816 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, | |
3817 | new_protodown); | |
3818 | } | |
3819 | ||
3820 | void zebra_evpn_mh_uplink_oper_update(struct zebra_if *zif) | |
3821 | { | |
3822 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3823 | bool new_protodown; | |
3824 | ||
3825 | zebra_evpn_mh_uplink_oper_flags_update(zif, true /*set*/); | |
3826 | ||
3827 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3828 | zlog_debug( | |
3829 | "mh-uplink-oper-chg on if %s/%d %s; uplinks cfg %u up %u", | |
3830 | zif->ifp->name, zif->ifp->ifindex, | |
3831 | if_is_operative(zif->ifp) ? "up" : "down", | |
3832 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3833 | ||
3834 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3835 | if (old_protodown == new_protodown) | |
3836 | return; | |
3837 | ||
dc261b8d AK |
3838 | /* if protodown_rc XXX_UPLINK_DOWN is about to be cleared |
3839 | * fire up the start-up delay timer to allow the EVPN network | |
3840 | * to converge (Type-2 routes need to be advertised and processed) | |
3841 | */ | |
3842 | if (!new_protodown && (zmh_info->uplink_oper_up_cnt == 1)) | |
3843 | zebra_evpn_mh_startup_delay_timer_start("uplink-up"); | |
3844 | ||
c36e442c AK |
3845 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, |
3846 | new_protodown); | |
3847 | } | |
3848 | ||
cc9f21da | 3849 | static void zebra_evpn_mh_startup_delay_exp_cb(struct thread *t) |
c36e442c AK |
3850 | { |
3851 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3852 | zlog_debug("startup-delay expired"); | |
3853 | ||
3854 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, | |
3855 | false /* set */); | |
c36e442c AK |
3856 | } |
3857 | ||
dc261b8d | 3858 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc) |
c36e442c | 3859 | { |
c36e442c AK |
3860 | if (zmh_info->startup_delay_timer) { |
3861 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3862 | zlog_debug("startup-delay timer cancelled"); | |
35f5c31b | 3863 | THREAD_OFF(zmh_info->startup_delay_timer); |
c36e442c AK |
3864 | } |
3865 | ||
3866 | if (zmh_info->startup_delay_time) { | |
3867 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dc261b8d AK |
3868 | zlog_debug( |
3869 | "startup-delay timer started for %d sec on %s", | |
3870 | zmh_info->startup_delay_time, rc); | |
c36e442c AK |
3871 | thread_add_timer(zrouter.master, |
3872 | zebra_evpn_mh_startup_delay_exp_cb, NULL, | |
3873 | zmh_info->startup_delay_time, | |
3874 | &zmh_info->startup_delay_timer); | |
3875 | zebra_evpn_mh_update_protodown( | |
3876 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, true /* set */); | |
3877 | } else { | |
3878 | zebra_evpn_mh_update_protodown( | |
3879 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, false /* set */); | |
3880 | } | |
3881 | } | |
3882 | ||
7bfa7d02 AK |
3883 | /***************************************************************************** |
3884 | * Nexthop management: nexthops associated with Type-2 routes that have | |
3885 | * an ES as destination are consolidated by BGP into a per-VRF nh->rmac | |
3886 | * mapping which is the installed as a remote neigh/fdb entry with a | |
3887 | * dummy (type-1) prefix referencing it. | |
3888 | * This handling is needed because Type-2 routes with ES as dest use NHG | |
3889 | * that are setup using EAD routes (i.e. such NHGs do not include the | |
3890 | * RMAC info). | |
3891 | ****************************************************************************/ | |
3892 | void zebra_evpn_proc_remote_nh(ZAPI_HANDLER_ARGS) | |
3893 | { | |
3894 | struct stream *s; | |
3895 | vrf_id_t vrf_id; | |
3896 | struct ipaddr nh; | |
3897 | struct ethaddr rmac; | |
3898 | struct prefix_evpn dummy_prefix; | |
86d87c53 | 3899 | size_t min_len = 4 + sizeof(nh); |
7bfa7d02 AK |
3900 | |
3901 | s = msg; | |
86d87c53 DS |
3902 | |
3903 | /* | |
3904 | * Ensure that the stream sent to us is long enough | |
3905 | */ | |
3906 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) | |
3907 | min_len += sizeof(rmac); | |
3908 | if (hdr->length < min_len) | |
3909 | return; | |
3910 | ||
7bfa7d02 AK |
3911 | vrf_id = stream_getl(s); |
3912 | stream_get(&nh, s, sizeof(nh)); | |
3913 | ||
3914 | memset(&dummy_prefix, 0, sizeof(dummy_prefix)); | |
3915 | dummy_prefix.family = AF_EVPN; | |
3916 | dummy_prefix.prefixlen = (sizeof(struct evpn_addr) * 8); | |
3917 | dummy_prefix.prefix.route_type = 1; /* XXX - fixup to type-1 def */ | |
82732723 | 3918 | dummy_prefix.prefix.ead_addr.ip.ipa_type = nh.ipa_type; |
7bfa7d02 AK |
3919 | |
3920 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) { | |
3921 | stream_get(&rmac, s, sizeof(rmac)); | |
3922 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
3923 | zlog_debug( |
3924 | "evpn remote nh %d %pIA rmac %pEA add pfx %pFX", | |
3925 | vrf_id, &nh, &rmac, &dummy_prefix); | |
32367e7a | 3926 | zebra_rib_queue_evpn_route_add(vrf_id, &rmac, &nh, |
7bfa7d02 AK |
3927 | (struct prefix *)&dummy_prefix); |
3928 | } else { | |
3929 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
3930 | zlog_debug("evpn remote nh %d %pIA del pfx %pFX", |
3931 | vrf_id, &nh, &dummy_prefix); | |
32367e7a | 3932 | zebra_rib_queue_evpn_route_del(vrf_id, &nh, |
7bfa7d02 AK |
3933 | (struct prefix *)&dummy_prefix); |
3934 | } | |
3935 | } | |
3936 | ||
ce5160c0 | 3937 | /*****************************************************************************/ |
b169fd6f AK |
3938 | void zebra_evpn_mh_config_write(struct vty *vty) |
3939 | { | |
c36e442c AK |
3940 | if (zmh_info->mac_hold_time != ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF) |
3941 | vty_out(vty, "evpn mh mac-holdtime %d\n", | |
b169fd6f AK |
3942 | zmh_info->mac_hold_time); |
3943 | ||
c36e442c AK |
3944 | if (zmh_info->neigh_hold_time != ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF) |
3945 | vty_out(vty, "evpn mh neigh-holdtime %d\n", | |
b169fd6f | 3946 | zmh_info->neigh_hold_time); |
c36e442c AK |
3947 | |
3948 | if (zmh_info->startup_delay_time != ZEBRA_EVPN_MH_STARTUP_DELAY_DEF) | |
3949 | vty_out(vty, "evpn mh startup-delay %d\n", | |
3950 | zmh_info->startup_delay_time); | |
15400f95 AK |
3951 | |
3952 | if (zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF) | |
3953 | vty_out(vty, "evpn mh redirect-off\n"); | |
b169fd6f AK |
3954 | } |
3955 | ||
3956 | int zebra_evpn_mh_neigh_holdtime_update(struct vty *vty, | |
3957 | uint32_t duration, bool set_default) | |
3958 | { | |
3959 | if (set_default) | |
c36e442c | 3960 | duration = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; |
b169fd6f AK |
3961 | |
3962 | zmh_info->neigh_hold_time = duration; | |
3963 | ||
3964 | return 0; | |
3965 | } | |
3966 | ||
3967 | int zebra_evpn_mh_mac_holdtime_update(struct vty *vty, | |
3968 | uint32_t duration, bool set_default) | |
3969 | { | |
3970 | if (set_default) | |
c36e442c | 3971 | duration = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
b169fd6f AK |
3972 | |
3973 | zmh_info->mac_hold_time = duration; | |
3974 | ||
3975 | return 0; | |
3976 | } | |
3977 | ||
c36e442c AK |
3978 | int zebra_evpn_mh_startup_delay_update(struct vty *vty, uint32_t duration, |
3979 | bool set_default) | |
3980 | { | |
3981 | if (set_default) | |
3982 | duration = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
3983 | ||
3984 | zmh_info->startup_delay_time = duration; | |
dc261b8d AK |
3985 | |
3986 | /* if startup_delay_timer is running allow it to be adjusted | |
3987 | * up or down | |
3988 | */ | |
3989 | if (zmh_info->startup_delay_timer) | |
3990 | zebra_evpn_mh_startup_delay_timer_start("config"); | |
c36e442c AK |
3991 | |
3992 | return 0; | |
3993 | } | |
3994 | ||
15400f95 AK |
3995 | int zebra_evpn_mh_redirect_off(struct vty *vty, bool redirect_off) |
3996 | { | |
3997 | /* This knob needs to be set before ESs are configured | |
3998 | * i.e. cannot be changed on the fly | |
3999 | */ | |
4000 | if (redirect_off) | |
4001 | zmh_info->flags |= ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4002 | else | |
4003 | zmh_info->flags &= ~ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4004 | ||
4005 | return 0; | |
4006 | } | |
4007 | ||
ce5160c0 AK |
4008 | void zebra_evpn_interface_init(void) |
4009 | { | |
4010 | install_element(INTERFACE_NODE, &zebra_evpn_es_id_cmd); | |
4011 | install_element(INTERFACE_NODE, &zebra_evpn_es_sys_mac_cmd); | |
1103c5c6 | 4012 | install_element(INTERFACE_NODE, &zebra_evpn_es_pref_cmd); |
00a7710c | 4013 | install_element(INTERFACE_NODE, &zebra_evpn_es_bypass_cmd); |
c36e442c | 4014 | install_element(INTERFACE_NODE, &zebra_evpn_mh_uplink_cmd); |
ce5160c0 AK |
4015 | } |
4016 | ||
4017 | void zebra_evpn_mh_init(void) | |
4018 | { | |
4019 | zrouter.mh_info = XCALLOC(MTYPE_ZMH_INFO, sizeof(*zrouter.mh_info)); | |
4020 | ||
c36e442c AK |
4021 | zmh_info->mac_hold_time = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
4022 | zmh_info->neigh_hold_time = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; | |
ce5160c0 AK |
4023 | /* setup ES tables */ |
4024 | RB_INIT(zebra_es_rb_head, &zmh_info->es_rb_tree); | |
4025 | zmh_info->local_es_list = list_new(); | |
4026 | listset_app_node_mem(zmh_info->local_es_list); | |
4027 | ||
4028 | bf_init(zmh_info->nh_id_bitmap, EVPN_NH_ID_MAX); | |
4029 | bf_assign_zero_index(zmh_info->nh_id_bitmap); | |
15400f95 AK |
4030 | zmh_info->nhg_table = hash_create(zebra_evpn_nhg_hash_keymake, |
4031 | zebra_evpn_nhg_cmp, "l2 NHG table"); | |
5de10c37 AK |
4032 | zmh_info->nh_ip_table = |
4033 | hash_create(zebra_evpn_nh_ip_hash_keymake, zebra_evpn_nh_ip_cmp, | |
4034 | "l2 NH IP table"); | |
ce5160c0 AK |
4035 | |
4036 | /* setup broadcast domain tables */ | |
4037 | zmh_info->evpn_vlan_table = hash_create(zebra_evpn_acc_vl_hash_keymake, | |
4038 | zebra_evpn_acc_vl_cmp, "access VLAN hash table"); | |
c36e442c AK |
4039 | |
4040 | zmh_info->startup_delay_time = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
dc261b8d | 4041 | zebra_evpn_mh_startup_delay_timer_start("init"); |
ce5160c0 AK |
4042 | } |
4043 | ||
4044 | void zebra_evpn_mh_terminate(void) | |
4045 | { | |
4046 | list_delete(&zmh_info->local_es_list); | |
4047 | ||
4048 | hash_iterate(zmh_info->evpn_vlan_table, | |
4049 | zebra_evpn_acc_vl_cleanup_all, NULL); | |
4050 | hash_free(zmh_info->evpn_vlan_table); | |
5de10c37 AK |
4051 | hash_free(zmh_info->nhg_table); |
4052 | hash_free(zmh_info->nh_ip_table); | |
de86cc5b | 4053 | bf_free(zmh_info->nh_id_bitmap); |
ce5160c0 | 4054 | } |