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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" | |
239b26f9 | 44 | #include "zebra/zebra_l2_bridge_if.h" |
ce5160c0 AK |
45 | #include "zebra/zebra_ns.h" |
46 | #include "zebra/zebra_vrf.h" | |
47 | #include "zebra/zebra_vxlan.h" | |
0adeb5fd | 48 | #include "zebra/zebra_vxlan_private.h" |
b2998086 PR |
49 | #include "zebra/zebra_evpn.h" |
50 | #include "zebra/zebra_evpn_mac.h" | |
ce5160c0 AK |
51 | #include "zebra/zebra_router.h" |
52 | #include "zebra/zebra_evpn_mh.h" | |
53 | #include "zebra/zebra_nhg.h" | |
54 | ||
55 | DEFINE_MTYPE_STATIC(ZEBRA, ZACC_BD, "Access Broadcast Domain"); | |
56 | DEFINE_MTYPE_STATIC(ZEBRA, ZES, "Ethernet Segment"); | |
57 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_EVI, "ES info per-EVI"); | |
58 | DEFINE_MTYPE_STATIC(ZEBRA, ZMH_INFO, "MH global info"); | |
59 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_VTEP, "VTEP attached to the ES"); | |
5de10c37 | 60 | DEFINE_MTYPE_STATIC(ZEBRA, L2_NH, "L2 nexthop"); |
ce5160c0 | 61 | |
87d76d54 | 62 | static void zebra_evpn_es_get_one_base_evpn(void); |
ce5160c0 | 63 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, |
f6371c34 | 64 | struct zebra_evpn *zevpn, bool add); |
e378f502 | 65 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp); |
325d694b | 66 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi); |
28e80a03 AK |
67 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, |
68 | const char *caller); | |
c36e442c | 69 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set); |
2bcf92e1 AK |
70 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
71 | bool resync_dplane); | |
c36e442c | 72 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es); |
dc261b8d | 73 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc); |
ce5160c0 AK |
74 | |
75 | esi_t zero_esi_buf, *zero_esi = &zero_esi_buf; | |
76 | ||
77 | /*****************************************************************************/ | |
78 | /* Ethernet Segment to EVI association - | |
79 | * 1. The ES-EVI entry is maintained as a RB tree per L2-VNI | |
f6371c34 | 80 | * (struct zebra_evpn.es_evi_rb_tree). |
ce5160c0 AK |
81 | * 2. Each local ES-EVI entry is sent to BGP which advertises it as an |
82 | * EAD-EVI (Type-1 EVPN) route | |
83 | * 3. Local ES-EVI setup is re-evaluated on the following triggers - | |
84 | * a. When an ESI is set or cleared on an access port. | |
85 | * b. When an access port associated with an ESI is deleted. | |
86 | * c. When VLAN member ship changes on an access port. | |
87 | * d. When a VXLAN_IF is set or cleared on an access broadcast domain. | |
88 | * e. When a L2-VNI is added or deleted for a VxLAN_IF. | |
89 | * 4. Currently zebra doesn't remote ES-EVIs. Those are managed and maintained | |
90 | * entirely in BGP which consolidates them into a remote ES. The remote ES | |
91 | * is then sent to zebra which allocates a NHG for it. | |
92 | */ | |
93 | ||
87d76d54 | 94 | /* compare ES-IDs for the ES-EVI RB tree maintained per-EVPN */ |
ce5160c0 AK |
95 | static int zebra_es_evi_rb_cmp(const struct zebra_evpn_es_evi *es_evi1, |
96 | const struct zebra_evpn_es_evi *es_evi2) | |
97 | { | |
98 | return memcmp(&es_evi1->es->esi, &es_evi2->es->esi, ESI_BYTES); | |
99 | } | |
100 | RB_GENERATE(zebra_es_evi_rb_head, zebra_evpn_es_evi, | |
101 | rb_node, zebra_es_evi_rb_cmp); | |
102 | ||
103 | /* allocate a new ES-EVI and insert it into the per-L2-VNI and per-ES | |
104 | * tables. | |
105 | */ | |
106 | static struct zebra_evpn_es_evi *zebra_evpn_es_evi_new(struct zebra_evpn_es *es, | |
f6371c34 | 107 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
108 | { |
109 | struct zebra_evpn_es_evi *es_evi; | |
110 | ||
111 | es_evi = XCALLOC(MTYPE_ZES_EVI, sizeof(struct zebra_evpn_es_evi)); | |
112 | ||
113 | es_evi->es = es; | |
87d76d54 | 114 | es_evi->zevpn = zevpn; |
ce5160c0 | 115 | |
87d76d54 | 116 | /* insert into the EVPN-ESI rb tree */ |
2a778afe | 117 | RB_INSERT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
118 | |
119 | /* add to the ES's VNI list */ | |
120 | listnode_init(&es_evi->es_listnode, es_evi); | |
121 | listnode_add(es->es_evi_list, &es_evi->es_listnode); | |
122 | ||
123 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
124 | zlog_debug("es %s evi %d new", | |
87d76d54 | 125 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
126 | |
127 | return es_evi; | |
128 | } | |
129 | ||
ce5160c0 AK |
130 | /* Evaluate if the es_evi is ready to be sent BGP - |
131 | * 1. If it is ready an add is sent to BGP | |
132 | * 2. If it is not ready a del is sent (if the ES had been previously added | |
133 | * to BGP). | |
134 | */ | |
135 | static void zebra_evpn_es_evi_re_eval_send_to_client( | |
136 | struct zebra_evpn_es_evi *es_evi) | |
137 | { | |
138 | bool old_ready; | |
139 | bool new_ready; | |
140 | ||
141 | old_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
142 | ||
143 | /* ES and L2-VNI have to be individually ready for BGP */ | |
144 | if ((es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) && | |
145 | (es_evi->es->flags & ZEBRA_EVPNES_READY_FOR_BGP) && | |
87d76d54 | 146 | zebra_evpn_send_to_client_ok(es_evi->zevpn)) |
ce5160c0 AK |
147 | es_evi->flags |= ZEBRA_EVPNES_EVI_READY_FOR_BGP; |
148 | else | |
149 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_READY_FOR_BGP; | |
150 | ||
151 | new_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
152 | ||
153 | if (old_ready == new_ready) | |
154 | return; | |
155 | ||
156 | if (new_ready) | |
87d76d54 | 157 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
158 | true /* add */); |
159 | else | |
87d76d54 | 160 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
161 | false /* add */); |
162 | } | |
163 | ||
164 | /* remove the ES-EVI from the per-L2-VNI and per-ES tables and free | |
165 | * up the memory. | |
166 | */ | |
167 | static void zebra_evpn_es_evi_free(struct zebra_evpn_es_evi *es_evi) | |
168 | { | |
169 | struct zebra_evpn_es *es = es_evi->es; | |
f6371c34 | 170 | struct zebra_evpn *zevpn = es_evi->zevpn; |
ce5160c0 AK |
171 | |
172 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
173 | zlog_debug("es %s evi %d free", | |
87d76d54 | 174 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
175 | |
176 | /* remove from the ES's VNI list */ | |
177 | list_delete_node(es->es_evi_list, &es_evi->es_listnode); | |
178 | ||
179 | /* remove from the VNI-ESI rb tree */ | |
87d76d54 | 180 | RB_REMOVE(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
181 | |
182 | /* remove from the VNI-ESI rb tree */ | |
183 | XFREE(MTYPE_ZES_EVI, es_evi); | |
184 | } | |
185 | ||
186 | /* find the ES-EVI in the per-L2-VNI RB tree */ | |
09de6e45 AK |
187 | struct zebra_evpn_es_evi *zebra_evpn_es_evi_find(struct zebra_evpn_es *es, |
188 | struct zebra_evpn *zevpn) | |
ce5160c0 AK |
189 | { |
190 | struct zebra_evpn_es_evi es_evi; | |
191 | ||
192 | es_evi.es = es; | |
193 | ||
87d76d54 | 194 | return RB_FIND(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, &es_evi); |
ce5160c0 AK |
195 | } |
196 | ||
197 | /* Tell BGP about an ES-EVI deletion and then delete it */ | |
198 | static void zebra_evpn_local_es_evi_do_del(struct zebra_evpn_es_evi *es_evi) | |
199 | { | |
200 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
201 | return; | |
202 | ||
203 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
204 | zlog_debug("local es %s evi %d del", | |
87d76d54 | 205 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
206 | |
207 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) { | |
208 | /* send a del only if add was sent for it earlier */ | |
209 | zebra_evpn_es_evi_send_to_client(es_evi->es, | |
87d76d54 | 210 | es_evi->zevpn, false /* add */); |
ce5160c0 AK |
211 | } |
212 | ||
87d76d54 PR |
213 | /* delete it from the EVPN's local list */ |
214 | list_delete_node(es_evi->zevpn->local_es_evi_list, | |
ce5160c0 AK |
215 | &es_evi->l2vni_listnode); |
216 | ||
217 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_LOCAL; | |
218 | zebra_evpn_es_evi_free(es_evi); | |
219 | } | |
220 | static void zebra_evpn_local_es_evi_del(struct zebra_evpn_es *es, | |
f6371c34 | 221 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
222 | { |
223 | struct zebra_evpn_es_evi *es_evi; | |
224 | ||
87d76d54 | 225 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 AK |
226 | if (es_evi) |
227 | zebra_evpn_local_es_evi_do_del(es_evi); | |
228 | } | |
229 | ||
09de6e45 AK |
230 | /* If there are any existing MAC entries for this es/zevpn we need |
231 | * to install it in the dataplane. | |
232 | * | |
233 | * Note: primary purpose of this is to handle es del/re-add windows where | |
234 | * sync MAC entries may be added by bgpd before the es-evi membership is | |
235 | * created in the dataplane and in zebra | |
236 | */ | |
237 | static void zebra_evpn_es_evi_mac_install(struct zebra_evpn_es_evi *es_evi) | |
238 | { | |
239 | struct zebra_mac *mac; | |
240 | struct listnode *node; | |
241 | struct zebra_evpn_es *es = es_evi->es; | |
242 | ||
243 | if (listcount(es->mac_list) && IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
244 | zlog_debug("dp-mac install on es %s evi %d add", es->esi_str, | |
245 | es_evi->zevpn->vni); | |
246 | ||
247 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
248 | if (mac->zevpn != es_evi->zevpn) | |
249 | continue; | |
250 | ||
251 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
252 | continue; | |
253 | ||
254 | zebra_evpn_sync_mac_dp_install(mac, false, false, __func__); | |
255 | } | |
256 | } | |
257 | ||
ce5160c0 AK |
258 | /* Create an ES-EVI if it doesn't already exist and tell BGP */ |
259 | static void zebra_evpn_local_es_evi_add(struct zebra_evpn_es *es, | |
f6371c34 | 260 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
261 | { |
262 | struct zebra_evpn_es_evi *es_evi; | |
263 | ||
87d76d54 | 264 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 | 265 | if (!es_evi) { |
87d76d54 | 266 | es_evi = zebra_evpn_es_evi_new(es, zevpn); |
ce5160c0 AK |
267 | if (!es_evi) |
268 | return; | |
269 | ||
270 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
271 | zlog_debug("local es %s evi %d add", | |
87d76d54 | 272 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 | 273 | es_evi->flags |= ZEBRA_EVPNES_EVI_LOCAL; |
87d76d54 | 274 | /* add to the EVPN's local list */ |
ce5160c0 | 275 | listnode_init(&es_evi->l2vni_listnode, es_evi); |
87d76d54 | 276 | listnode_add(zevpn->local_es_evi_list, &es_evi->l2vni_listnode); |
ce5160c0 AK |
277 | |
278 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
09de6e45 AK |
279 | |
280 | zebra_evpn_es_evi_mac_install(es_evi); | |
ce5160c0 AK |
281 | } |
282 | } | |
283 | ||
284 | static void zebra_evpn_es_evi_show_entry(struct vty *vty, | |
acffa256 AK |
285 | struct zebra_evpn_es_evi *es_evi, |
286 | json_object *json_array) | |
ce5160c0 AK |
287 | { |
288 | char type_str[4]; | |
289 | ||
acffa256 AK |
290 | if (json_array) { |
291 | json_object *json; | |
292 | json_object *json_types; | |
293 | ||
294 | /* Separate JSON object for each es-evi entry */ | |
295 | json = json_object_new_object(); | |
296 | ||
297 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
298 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
299 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) { | |
300 | json_types = json_object_new_array(); | |
301 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
302 | json_array_string_add(json_types, "local"); | |
303 | json_object_object_add(json, "type", json_types); | |
304 | } | |
305 | ||
306 | /* Add es-evi entry to json array */ | |
307 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
308 | } else { |
309 | type_str[0] = '\0'; | |
310 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 311 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
312 | |
313 | vty_out(vty, "%-8d %-30s %-4s\n", | |
87d76d54 | 314 | es_evi->zevpn->vni, es_evi->es->esi_str, |
ce5160c0 AK |
315 | type_str); |
316 | } | |
317 | } | |
318 | ||
acffa256 AK |
319 | static void |
320 | zebra_evpn_es_evi_show_entry_detail(struct vty *vty, | |
321 | struct zebra_evpn_es_evi *es_evi, | |
322 | json_object *json_array) | |
ce5160c0 AK |
323 | { |
324 | char type_str[4]; | |
325 | ||
acffa256 AK |
326 | if (json_array) { |
327 | json_object *json; | |
328 | json_object *json_flags; | |
329 | ||
330 | /* Separate JSON object for each es-evi entry */ | |
331 | json = json_object_new_object(); | |
332 | ||
333 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
334 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
335 | if (es_evi->flags | |
336 | & (ZEBRA_EVPNES_EVI_LOCAL | |
337 | | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) { | |
338 | json_flags = json_object_new_array(); | |
339 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
340 | json_array_string_add(json_flags, "local"); | |
341 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) | |
342 | json_array_string_add(json_flags, | |
343 | "readyForBgp"); | |
344 | json_object_object_add(json, "flags", json_flags); | |
345 | } | |
346 | ||
347 | /* Add es-evi entry to json array */ | |
348 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
349 | } else { |
350 | type_str[0] = '\0'; | |
351 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 352 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
353 | |
354 | vty_out(vty, "VNI %d ESI: %s\n", | |
87d76d54 | 355 | es_evi->zevpn->vni, es_evi->es->esi_str); |
ce5160c0 AK |
356 | vty_out(vty, " Type: %s\n", type_str); |
357 | vty_out(vty, " Ready for BGP: %s\n", | |
358 | (es_evi->flags & | |
359 | ZEBRA_EVPNES_EVI_READY_FOR_BGP) ? | |
360 | "yes" : "no"); | |
361 | vty_out(vty, "\n"); | |
362 | } | |
363 | } | |
364 | ||
f6371c34 | 365 | static void zebra_evpn_es_evi_show_one_evpn(struct zebra_evpn *zevpn, |
acffa256 AK |
366 | struct vty *vty, |
367 | json_object *json_array, int detail) | |
ce5160c0 AK |
368 | { |
369 | struct zebra_evpn_es_evi *es_evi; | |
370 | ||
87d76d54 | 371 | RB_FOREACH(es_evi, zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree) { |
ce5160c0 | 372 | if (detail) |
acffa256 AK |
373 | zebra_evpn_es_evi_show_entry_detail(vty, es_evi, |
374 | json_array); | |
ce5160c0 | 375 | else |
acffa256 | 376 | zebra_evpn_es_evi_show_entry(vty, es_evi, json_array); |
ce5160c0 AK |
377 | } |
378 | } | |
379 | ||
380 | struct evpn_mh_show_ctx { | |
381 | struct vty *vty; | |
382 | json_object *json; | |
383 | int detail; | |
384 | }; | |
385 | ||
87d76d54 | 386 | static void zebra_evpn_es_evi_show_one_evpn_hash_cb(struct hash_bucket *bucket, |
ce5160c0 AK |
387 | void *ctxt) |
388 | { | |
f6371c34 | 389 | struct zebra_evpn *zevpn = (struct zebra_evpn *)bucket->data; |
ce5160c0 AK |
390 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; |
391 | ||
87d76d54 | 392 | zebra_evpn_es_evi_show_one_evpn(zevpn, wctx->vty, |
ce5160c0 AK |
393 | wctx->json, wctx->detail); |
394 | } | |
395 | ||
396 | void zebra_evpn_es_evi_show(struct vty *vty, bool uj, int detail) | |
397 | { | |
acffa256 | 398 | json_object *json_array = NULL; |
ce5160c0 AK |
399 | struct zebra_vrf *zvrf; |
400 | struct evpn_mh_show_ctx wctx; | |
401 | ||
402 | zvrf = zebra_vrf_get_evpn(); | |
acffa256 AK |
403 | if (uj) |
404 | json_array = json_object_new_array(); | |
ce5160c0 AK |
405 | |
406 | memset(&wctx, 0, sizeof(wctx)); | |
407 | wctx.vty = vty; | |
acffa256 | 408 | wctx.json = json_array; |
ce5160c0 AK |
409 | wctx.detail = detail; |
410 | ||
acffa256 | 411 | if (!detail && !json_array) { |
ce5160c0 AK |
412 | vty_out(vty, "Type: L local, R remote\n"); |
413 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
414 | } | |
415 | /* Display all L2-VNIs */ | |
87d76d54 | 416 | hash_iterate(zvrf->evpn_table, zebra_evpn_es_evi_show_one_evpn_hash_cb, |
ce5160c0 | 417 | &wctx); |
acffa256 | 418 | |
c48349e3 | 419 | if (uj) |
962af8a8 | 420 | vty_json(vty, json_array); |
ce5160c0 AK |
421 | } |
422 | ||
423 | void zebra_evpn_es_evi_show_vni(struct vty *vty, bool uj, vni_t vni, int detail) | |
424 | { | |
acffa256 | 425 | json_object *json_array = NULL; |
f6371c34 | 426 | struct zebra_evpn *zevpn; |
ce5160c0 | 427 | |
8b5fdf2e | 428 | zevpn = zebra_evpn_lookup(vni); |
acffa256 AK |
429 | if (uj) |
430 | json_array = json_object_new_array(); | |
431 | ||
87d76d54 | 432 | if (zevpn) { |
acffa256 | 433 | if (!detail && !json_array) { |
ce5160c0 AK |
434 | vty_out(vty, "Type: L local, R remote\n"); |
435 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
436 | } | |
362c8f2d | 437 | zebra_evpn_es_evi_show_one_evpn(zevpn, vty, json_array, detail); |
ce5160c0 AK |
438 | } else { |
439 | if (!uj) | |
1718bc78 | 440 | vty_out(vty, "VNI %d doesn't exist\n", vni); |
ce5160c0 | 441 | } |
acffa256 | 442 | |
c48349e3 | 443 | if (uj) |
962af8a8 | 444 | vty_json(vty, json_array); |
ce5160c0 AK |
445 | } |
446 | ||
447 | /* Initialize the ES tables maintained per-L2_VNI */ | |
f6371c34 | 448 | void zebra_evpn_es_evi_init(struct zebra_evpn *zevpn) |
ce5160c0 AK |
449 | { |
450 | /* Initialize the ES-EVI RB tree */ | |
87d76d54 | 451 | RB_INIT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree); |
ce5160c0 AK |
452 | |
453 | /* Initialize the local and remote ES lists maintained for quick | |
454 | * walks by type | |
455 | */ | |
87d76d54 PR |
456 | zevpn->local_es_evi_list = list_new(); |
457 | listset_app_node_mem(zevpn->local_es_evi_list); | |
ce5160c0 AK |
458 | } |
459 | ||
87d76d54 | 460 | /* Cleanup the ES info maintained per- EVPN */ |
f6371c34 | 461 | void zebra_evpn_es_evi_cleanup(struct zebra_evpn *zevpn) |
ce5160c0 AK |
462 | { |
463 | struct zebra_evpn_es_evi *es_evi; | |
464 | struct zebra_evpn_es_evi *es_evi_next; | |
465 | ||
466 | RB_FOREACH_SAFE(es_evi, zebra_es_evi_rb_head, | |
87d76d54 | 467 | &zevpn->es_evi_rb_tree, es_evi_next) { |
ce5160c0 AK |
468 | zebra_evpn_local_es_evi_do_del(es_evi); |
469 | } | |
470 | ||
87d76d54 PR |
471 | list_delete(&zevpn->local_es_evi_list); |
472 | zebra_evpn_es_clear_base_evpn(zevpn); | |
ce5160c0 AK |
473 | } |
474 | ||
475 | /* called when the oper state or bridge membership changes for the | |
476 | * vxlan device | |
477 | */ | |
f6371c34 | 478 | void zebra_evpn_update_all_es(struct zebra_evpn *zevpn) |
ce5160c0 AK |
479 | { |
480 | struct zebra_evpn_es_evi *es_evi; | |
481 | struct listnode *node; | |
e4c3ece6 AK |
482 | struct interface *vlan_if; |
483 | struct interface *vxlan_if; | |
484 | struct zebra_if *vxlan_zif; | |
8d30ff3b | 485 | struct zebra_vxlan_vni *vni; |
ce5160c0 | 486 | |
87d76d54 PR |
487 | /* the EVPN is now elgible as a base for EVPN-MH */ |
488 | if (zebra_evpn_send_to_client_ok(zevpn)) | |
489 | zebra_evpn_es_set_base_evpn(zevpn); | |
ce5160c0 | 490 | else |
87d76d54 | 491 | zebra_evpn_es_clear_base_evpn(zevpn); |
ce5160c0 | 492 | |
87d76d54 | 493 | for (ALL_LIST_ELEMENTS_RO(zevpn->local_es_evi_list, node, es_evi)) |
ce5160c0 | 494 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); |
e4c3ece6 AK |
495 | |
496 | /* reinstall SVI MAC */ | |
497 | vxlan_if = zevpn->vxlan_if; | |
498 | if (vxlan_if) { | |
499 | vxlan_zif = vxlan_if->info; | |
500 | if (if_is_operative(vxlan_if) | |
501 | && vxlan_zif->brslave_info.br_if) { | |
8d30ff3b | 502 | vni = zebra_vxlan_if_vni_find(vxlan_zif, zevpn->vni); |
feffe4ee SR |
503 | /* VLAN-VNI mappings may not exist */ |
504 | if (vni) { | |
505 | vlan_if = zvni_map_to_svi( | |
506 | vni->access_vlan, | |
507 | vxlan_zif->brslave_info.br_if); | |
508 | if (vlan_if) | |
509 | zebra_evpn_acc_bd_svi_mac_add(vlan_if); | |
510 | } | |
e4c3ece6 AK |
511 | } |
512 | } | |
ce5160c0 AK |
513 | } |
514 | ||
515 | /*****************************************************************************/ | |
516 | /* Access broadcast domains (BD) | |
517 | * 1. These broadcast domains can be VLAN aware (in which case | |
518 | * the key is VID) or VLAN unaware (in which case the key is | |
519 | * 2. A VID-BD is created when a VLAN is associated with an access port or | |
520 | * when the VLAN is associated with VXLAN_IF | |
521 | * 3. A BD is translated into ES-EVI entries when a VNI is associated | |
522 | * with the broadcast domain | |
523 | */ | |
524 | /* Hash key for VLAN based broadcast domains */ | |
525 | static unsigned int zebra_evpn_acc_vl_hash_keymake(const void *p) | |
526 | { | |
527 | const struct zebra_evpn_access_bd *acc_bd = p; | |
528 | ||
239b26f9 | 529 | return jhash_2words(acc_bd->vid, acc_bd->bridge_ifindex, 0); |
ce5160c0 AK |
530 | } |
531 | ||
532 | /* Compare two VLAN based broadcast domains */ | |
533 | static bool zebra_evpn_acc_vl_cmp(const void *p1, const void *p2) | |
534 | { | |
535 | const struct zebra_evpn_access_bd *acc_bd1 = p1; | |
536 | const struct zebra_evpn_access_bd *acc_bd2 = p2; | |
537 | ||
538 | if (acc_bd1 == NULL && acc_bd2 == NULL) | |
539 | return true; | |
540 | ||
541 | if (acc_bd1 == NULL || acc_bd2 == NULL) | |
542 | return false; | |
543 | ||
0bbad9d1 SW |
544 | return ((acc_bd1->vid == acc_bd2->vid) && |
545 | (acc_bd1->bridge_ifindex == acc_bd2->bridge_ifindex)); | |
ce5160c0 AK |
546 | } |
547 | ||
548 | /* Lookup VLAN based broadcast domain */ | |
239b26f9 SR |
549 | struct zebra_evpn_access_bd *zebra_evpn_acc_vl_find(vlanid_t vid, |
550 | struct interface *br_if) | |
ce5160c0 AK |
551 | { |
552 | struct zebra_evpn_access_bd *acc_bd; | |
553 | struct zebra_evpn_access_bd tmp; | |
554 | ||
555 | tmp.vid = vid; | |
239b26f9 | 556 | tmp.bridge_ifindex = br_if->ifindex; |
ce5160c0 AK |
557 | acc_bd = hash_lookup(zmh_info->evpn_vlan_table, &tmp); |
558 | ||
559 | return acc_bd; | |
560 | } | |
561 | ||
562 | /* A new broadcast domain can be created when a VLAN member or VLAN<=>VxLAN_IF | |
563 | * mapping is added. | |
564 | */ | |
243b74ed AK |
565 | static struct zebra_evpn_access_bd * |
566 | zebra_evpn_acc_vl_new(vlanid_t vid, struct interface *br_if) | |
ce5160c0 AK |
567 | { |
568 | struct zebra_evpn_access_bd *acc_bd; | |
243b74ed | 569 | struct interface *vlan_if; |
ce5160c0 AK |
570 | |
571 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 | 572 | zlog_debug("access vlan %d bridge %s add", vid, br_if->name); |
ce5160c0 AK |
573 | |
574 | acc_bd = XCALLOC(MTYPE_ZACC_BD, sizeof(struct zebra_evpn_access_bd)); | |
575 | ||
576 | acc_bd->vid = vid; | |
239b26f9 SR |
577 | acc_bd->bridge_ifindex = br_if->ifindex; |
578 | acc_bd->bridge_zif = (struct zebra_if *)br_if->info; | |
ce5160c0 AK |
579 | |
580 | /* Initialize the mbr list */ | |
581 | acc_bd->mbr_zifs = list_new(); | |
582 | ||
583 | /* Add to hash */ | |
8e3aae66 | 584 | (void)hash_get(zmh_info->evpn_vlan_table, acc_bd, hash_alloc_intern); |
ce5160c0 | 585 | |
243b74ed | 586 | /* check if an svi exists for the vlan */ |
239b26f9 SR |
587 | vlan_if = zvni_map_to_svi(vid, br_if); |
588 | if (vlan_if) { | |
589 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
590 | zlog_debug("vlan %d bridge %s SVI %s set", vid, | |
591 | br_if->name, vlan_if->name); | |
592 | acc_bd->vlan_zif = vlan_if->info; | |
243b74ed | 593 | } |
ce5160c0 AK |
594 | return acc_bd; |
595 | } | |
596 | ||
597 | /* Free VLAN based broadcast domain - | |
598 | * This just frees appropriate memory, caller should have taken other | |
599 | * needed actions. | |
600 | */ | |
601 | static void zebra_evpn_acc_vl_free(struct zebra_evpn_access_bd *acc_bd) | |
602 | { | |
603 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
604 | zlog_debug("access vlan %d del", acc_bd->vid); | |
605 | ||
243b74ed AK |
606 | if (acc_bd->vlan_zif && acc_bd->zevpn && acc_bd->zevpn->mac_table) |
607 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
608 | ||
ce5160c0 AK |
609 | /* cleanup resources maintained against the ES */ |
610 | list_delete(&acc_bd->mbr_zifs); | |
611 | ||
612 | /* remove EVI from various tables */ | |
613 | hash_release(zmh_info->evpn_vlan_table, acc_bd); | |
614 | ||
615 | XFREE(MTYPE_ZACC_BD, acc_bd); | |
616 | } | |
617 | ||
618 | static void zebra_evpn_acc_vl_cleanup_all(struct hash_bucket *bucket, void *arg) | |
619 | { | |
620 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
621 | ||
622 | zebra_evpn_acc_vl_free(acc_bd); | |
623 | } | |
624 | ||
625 | /* called when a bd mbr is removed or VxLAN_IF is diassociated from the access | |
626 | * VLAN | |
627 | */ | |
628 | static void zebra_evpn_acc_bd_free_on_deref(struct zebra_evpn_access_bd *acc_bd) | |
629 | { | |
630 | if (!list_isempty(acc_bd->mbr_zifs) || acc_bd->vxlan_zif) | |
631 | return; | |
632 | ||
239b26f9 SR |
633 | /* Remove this access_bd from bridge hash table */ |
634 | zebra_l2_bridge_if_vlan_access_bd_deref(acc_bd); | |
635 | ||
ce5160c0 AK |
636 | /* if there are no references free the EVI */ |
637 | zebra_evpn_acc_vl_free(acc_bd); | |
638 | } | |
639 | ||
239b26f9 SR |
640 | static struct zebra_evpn_access_bd * |
641 | zebra_evpn_acc_bd_alloc_on_ref(vlanid_t vid, struct interface *br_if) | |
642 | { | |
643 | struct zebra_evpn_access_bd *acc_bd = NULL; | |
644 | ||
645 | assert(br_if && br_if->info); | |
646 | acc_bd = zebra_evpn_acc_vl_new(vid, br_if); | |
647 | if (acc_bd) | |
648 | /* Add this access_bd to bridge hash table */ | |
649 | zebra_l2_bridge_if_vlan_access_bd_ref(acc_bd); | |
650 | ||
651 | return acc_bd; | |
652 | } | |
653 | ||
243b74ed AK |
654 | /* called when a SVI is goes up/down */ |
655 | void zebra_evpn_acc_bd_svi_set(struct zebra_if *vlan_zif, | |
656 | struct zebra_if *br_zif, bool is_up) | |
657 | { | |
658 | struct zebra_evpn_access_bd *acc_bd; | |
243b74ed AK |
659 | uint16_t vid; |
660 | struct zebra_if *tmp_br_zif = br_zif; | |
661 | ||
662 | if (!tmp_br_zif) { | |
3b63732a | 663 | if (!vlan_zif->link || !vlan_zif->link->info) |
243b74ed AK |
664 | return; |
665 | ||
666 | tmp_br_zif = vlan_zif->link->info; | |
667 | } | |
668 | ||
243b74ed | 669 | /* ignore vlan unaware bridges */ |
784d88aa | 670 | if (!IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(tmp_br_zif)) |
243b74ed AK |
671 | return; |
672 | ||
673 | vid = vlan_zif->l2info.vl.vid; | |
239b26f9 | 674 | acc_bd = zebra_evpn_acc_vl_find(vid, tmp_br_zif->ifp); |
243b74ed AK |
675 | if (!acc_bd) |
676 | return; | |
677 | ||
678 | if (is_up) { | |
679 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
680 | zlog_debug("vlan %d bridge %s SVI %s set", vid, |
681 | tmp_br_zif->ifp->name, vlan_zif->ifp->name); | |
243b74ed AK |
682 | |
683 | acc_bd->vlan_zif = vlan_zif; | |
684 | if (acc_bd->zevpn) | |
685 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
686 | acc_bd->zevpn); | |
687 | } else if (acc_bd->vlan_zif) { | |
688 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
689 | zlog_debug("vlan %d bridge %s SVI clear", vid, |
690 | tmp_br_zif->ifp->name); | |
243b74ed AK |
691 | acc_bd->vlan_zif = NULL; |
692 | if (acc_bd->zevpn && acc_bd->zevpn->mac_table) | |
693 | zebra_evpn_mac_svi_del(vlan_zif->ifp, acc_bd->zevpn); | |
694 | } | |
695 | } | |
696 | ||
697 | /* On some events macs are force-flushed. This api can be used to reinstate | |
698 | * the svi-mac after such cleanup-events. | |
699 | */ | |
700 | void zebra_evpn_acc_bd_svi_mac_add(struct interface *vlan_if) | |
701 | { | |
702 | zebra_evpn_acc_bd_svi_set(vlan_if->info, NULL, | |
703 | if_is_operative(vlan_if)); | |
704 | } | |
705 | ||
ce5160c0 | 706 | /* called when a EVPN-L2VNI is set or cleared against a BD */ |
87d76d54 | 707 | static void zebra_evpn_acc_bd_evpn_set(struct zebra_evpn_access_bd *acc_bd, |
f6371c34 DS |
708 | struct zebra_evpn *zevpn, |
709 | struct zebra_evpn *old_zevpn) | |
ce5160c0 AK |
710 | { |
711 | struct zebra_if *zif; | |
712 | struct listnode *node; | |
713 | ||
714 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
715 | zlog_debug("access vlan %d bridge %s l2-vni %u set", |
716 | acc_bd->vid, acc_bd->bridge_zif->ifp->name, | |
717 | zevpn ? zevpn->vni : 0); | |
ce5160c0 AK |
718 | |
719 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
720 | if (!zif->es_info.es) | |
721 | continue; | |
722 | ||
87d76d54 PR |
723 | if (zevpn) |
724 | zebra_evpn_local_es_evi_add(zif->es_info.es, zevpn); | |
725 | else if (old_zevpn) | |
726 | zebra_evpn_local_es_evi_del(zif->es_info.es, old_zevpn); | |
ce5160c0 | 727 | } |
243b74ed AK |
728 | |
729 | if (acc_bd->vlan_zif) { | |
730 | if (zevpn) | |
731 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
732 | acc_bd->zevpn); | |
733 | else if (old_zevpn && old_zevpn->mac_table) | |
734 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, | |
735 | old_zevpn); | |
736 | } | |
ce5160c0 AK |
737 | } |
738 | ||
739 | /* handle VLAN->VxLAN_IF association */ | |
8d30ff3b SR |
740 | void zebra_evpn_vl_vxl_ref(uint16_t vid, vni_t vni_id, |
741 | struct zebra_if *vxlan_zif) | |
ce5160c0 | 742 | { |
8d30ff3b | 743 | vni_t old_vni; |
ce5160c0 | 744 | struct zebra_evpn_access_bd *acc_bd; |
f6371c34 | 745 | struct zebra_evpn *old_zevpn; |
239b26f9 | 746 | struct interface *br_if; |
ce5160c0 AK |
747 | |
748 | if (!vid) | |
749 | return; | |
750 | ||
8d30ff3b SR |
751 | if (!vni_id) |
752 | return; | |
753 | ||
239b26f9 SR |
754 | br_if = vxlan_zif->brslave_info.br_if; |
755 | ||
756 | if (!br_if) | |
757 | return; | |
758 | ||
759 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 | 760 | if (!acc_bd) |
239b26f9 | 761 | acc_bd = zebra_evpn_acc_bd_alloc_on_ref(vid, br_if); |
ce5160c0 | 762 | |
8d30ff3b SR |
763 | old_vni = acc_bd->vni; |
764 | ||
765 | if (vni_id == old_vni) | |
ce5160c0 AK |
766 | return; |
767 | ||
8d30ff3b SR |
768 | acc_bd->vni = vni_id; |
769 | acc_bd->vxlan_zif = vxlan_zif; | |
770 | ||
87d76d54 | 771 | old_zevpn = acc_bd->zevpn; |
8d30ff3b | 772 | acc_bd->zevpn = zebra_evpn_lookup(vni_id); |
87d76d54 | 773 | if (acc_bd->zevpn == old_zevpn) |
ce5160c0 AK |
774 | return; |
775 | ||
776 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
8d30ff3b SR |
777 | zlog_debug("access vlan %d vni %u ref", acc_bd->vid, vni_id); |
778 | ||
87d76d54 PR |
779 | if (old_zevpn) |
780 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 | 781 | |
87d76d54 PR |
782 | if (acc_bd->zevpn) |
783 | zebra_evpn_acc_bd_evpn_set(acc_bd, acc_bd->zevpn, NULL); | |
ce5160c0 AK |
784 | } |
785 | ||
786 | /* handle VLAN->VxLAN_IF deref */ | |
8d30ff3b SR |
787 | void zebra_evpn_vl_vxl_deref(uint16_t vid, vni_t vni_id, |
788 | struct zebra_if *vxlan_zif) | |
ce5160c0 | 789 | { |
239b26f9 | 790 | struct interface *br_if; |
ce5160c0 AK |
791 | struct zebra_evpn_access_bd *acc_bd; |
792 | ||
793 | if (!vid) | |
794 | return; | |
795 | ||
8d30ff3b SR |
796 | if (!vni_id) |
797 | return; | |
798 | ||
239b26f9 SR |
799 | br_if = vxlan_zif->brslave_info.br_if; |
800 | if (!br_if) | |
801 | return; | |
802 | ||
803 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 AK |
804 | if (!acc_bd) |
805 | return; | |
806 | ||
807 | /* clear vxlan_if only if it matches */ | |
8d30ff3b | 808 | if (acc_bd->vni != vni_id) |
ce5160c0 AK |
809 | return; |
810 | ||
811 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
812 | zlog_debug("access vlan %d bridge %s vni %u deref", acc_bd->vid, |
813 | br_if->name, vni_id); | |
ce5160c0 | 814 | |
87d76d54 PR |
815 | if (acc_bd->zevpn) |
816 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, acc_bd->zevpn); | |
ce5160c0 | 817 | |
87d76d54 | 818 | acc_bd->zevpn = NULL; |
ce5160c0 | 819 | acc_bd->vxlan_zif = NULL; |
8d30ff3b | 820 | acc_bd->vni = 0; |
ce5160c0 AK |
821 | |
822 | /* if there are no other references the access_bd can be freed */ | |
823 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
824 | } | |
825 | ||
239b26f9 SR |
826 | /* handle BridgeIf<->AccessBD cleanup */ |
827 | void zebra_evpn_access_bd_bridge_cleanup(vlanid_t vid, struct interface *br_if, | |
828 | struct zebra_evpn_access_bd *acc_bd) | |
829 | { | |
830 | struct zebra_evpn *zevpn; | |
831 | ||
832 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
833 | zlog_debug("access bd vlan %d bridge %s cleanup", acc_bd->vid, | |
834 | br_if->name); | |
835 | ||
836 | zevpn = acc_bd->zevpn; | |
837 | if (zevpn) | |
838 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, zevpn); | |
839 | ||
840 | /* cleanup resources maintained against the ES */ | |
841 | list_delete_all_node(acc_bd->mbr_zifs); | |
842 | ||
843 | acc_bd->zevpn = NULL; | |
844 | acc_bd->vxlan_zif = NULL; | |
845 | acc_bd->vni = 0; | |
846 | acc_bd->bridge_zif = NULL; | |
847 | ||
848 | /* if there are no other references the access_bd can be freed */ | |
849 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
850 | } | |
851 | ||
87d76d54 | 852 | /* handle EVPN add/del */ |
f6371c34 DS |
853 | void zebra_evpn_vxl_evpn_set(struct zebra_if *zif, struct zebra_evpn *zevpn, |
854 | bool set) | |
ce5160c0 | 855 | { |
239b26f9 | 856 | struct interface *br_if; |
8d30ff3b | 857 | struct zebra_vxlan_vni *vni; |
ce5160c0 AK |
858 | struct zebra_evpn_access_bd *acc_bd; |
859 | ||
860 | if (!zif) | |
861 | return; | |
862 | ||
863 | /* locate access_bd associated with the vxlan device */ | |
8d30ff3b SR |
864 | vni = zebra_vxlan_if_vni_find(zif, zevpn->vni); |
865 | if (!vni) | |
866 | return; | |
867 | ||
239b26f9 SR |
868 | br_if = zif->brslave_info.br_if; |
869 | if (!br_if) | |
870 | return; | |
871 | ||
872 | acc_bd = zebra_evpn_acc_vl_find(vni->access_vlan, br_if); | |
ce5160c0 AK |
873 | if (!acc_bd) |
874 | return; | |
875 | ||
876 | if (set) { | |
87d76d54 PR |
877 | zebra_evpn_es_set_base_evpn(zevpn); |
878 | if (acc_bd->zevpn != zevpn) { | |
879 | acc_bd->zevpn = zevpn; | |
880 | zebra_evpn_acc_bd_evpn_set(acc_bd, zevpn, NULL); | |
ce5160c0 AK |
881 | } |
882 | } else { | |
87d76d54 | 883 | if (acc_bd->zevpn) { |
f6371c34 | 884 | struct zebra_evpn *old_zevpn = acc_bd->zevpn; |
87d76d54 PR |
885 | acc_bd->zevpn = NULL; |
886 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 AK |
887 | } |
888 | } | |
889 | } | |
890 | ||
891 | /* handle addition of new VLAN members */ | |
892 | void zebra_evpn_vl_mbr_ref(uint16_t vid, struct zebra_if *zif) | |
893 | { | |
239b26f9 | 894 | struct interface *br_if; |
ce5160c0 AK |
895 | struct zebra_evpn_access_bd *acc_bd; |
896 | ||
897 | if (!vid) | |
898 | return; | |
899 | ||
239b26f9 SR |
900 | br_if = zif->brslave_info.br_if; |
901 | if (!br_if) | |
902 | return; | |
903 | ||
904 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 | 905 | if (!acc_bd) |
239b26f9 | 906 | acc_bd = zebra_evpn_acc_bd_alloc_on_ref(vid, br_if); |
ce5160c0 AK |
907 | |
908 | if (listnode_lookup(acc_bd->mbr_zifs, zif)) | |
909 | return; | |
910 | ||
911 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
912 | zlog_debug("access vlan %d bridge %s mbr %s ref", vid, |
913 | br_if->name, zif->ifp->name); | |
ce5160c0 AK |
914 | |
915 | listnode_add(acc_bd->mbr_zifs, zif); | |
87d76d54 PR |
916 | if (acc_bd->zevpn && zif->es_info.es) |
917 | zebra_evpn_local_es_evi_add(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
918 | } |
919 | ||
920 | /* handle deletion of VLAN members */ | |
921 | void zebra_evpn_vl_mbr_deref(uint16_t vid, struct zebra_if *zif) | |
922 | { | |
239b26f9 | 923 | struct interface *br_if; |
ce5160c0 AK |
924 | struct zebra_evpn_access_bd *acc_bd; |
925 | struct listnode *node; | |
926 | ||
927 | if (!vid) | |
928 | return; | |
929 | ||
239b26f9 SR |
930 | br_if = zif->brslave_info.br_if; |
931 | if (!br_if) | |
932 | return; | |
933 | ||
934 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 AK |
935 | if (!acc_bd) |
936 | return; | |
937 | ||
938 | node = listnode_lookup(acc_bd->mbr_zifs, zif); | |
939 | if (!node) | |
940 | return; | |
941 | ||
942 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
943 | zlog_debug("access vlan %d bridge %s mbr %s deref", vid, |
944 | br_if->name, zif->ifp->name); | |
ce5160c0 AK |
945 | |
946 | list_delete_node(acc_bd->mbr_zifs, node); | |
947 | ||
87d76d54 PR |
948 | if (acc_bd->zevpn && zif->es_info.es) |
949 | zebra_evpn_local_es_evi_del(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
950 | |
951 | /* if there are no other references the access_bd can be freed */ | |
952 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
953 | } | |
954 | ||
243b74ed AK |
955 | static void zebra_evpn_acc_vl_adv_svi_mac_cb(struct hash_bucket *bucket, |
956 | void *ctxt) | |
957 | { | |
958 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
959 | ||
960 | if (acc_bd->vlan_zif && acc_bd->zevpn) | |
961 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
962 | } | |
963 | ||
964 | /* called when advertise SVI MAC is enabled on the switch */ | |
965 | static void zebra_evpn_acc_vl_adv_svi_mac_all(void) | |
966 | { | |
967 | hash_iterate(zmh_info->evpn_vlan_table, | |
968 | zebra_evpn_acc_vl_adv_svi_mac_cb, NULL); | |
969 | } | |
970 | ||
acffa256 AK |
971 | static void zebra_evpn_acc_vl_json_fill(struct zebra_evpn_access_bd *acc_bd, |
972 | json_object *json, bool detail) | |
973 | { | |
974 | json_object_int_add(json, "vlan", acc_bd->vid); | |
975 | if (acc_bd->vxlan_zif) | |
976 | json_object_string_add(json, "vxlanIf", | |
977 | acc_bd->vxlan_zif->ifp->name); | |
978 | if (acc_bd->zevpn) | |
979 | json_object_int_add(json, "vni", acc_bd->zevpn->vni); | |
980 | if (acc_bd->mbr_zifs) | |
981 | json_object_int_add(json, "memberIfCount", | |
982 | listcount(acc_bd->mbr_zifs)); | |
983 | ||
984 | if (detail) { | |
985 | json_object *json_mbrs; | |
986 | json_object *json_mbr; | |
987 | struct zebra_if *zif; | |
988 | struct listnode *node; | |
989 | ||
990 | ||
991 | json_mbrs = json_object_new_array(); | |
992 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
993 | json_mbr = json_object_new_object(); | |
994 | json_object_string_add(json_mbr, "ifName", | |
995 | zif->ifp->name); | |
996 | json_object_array_add(json_mbrs, json_mbr); | |
997 | } | |
998 | json_object_object_add(json, "members", json_mbrs); | |
999 | } | |
1000 | } | |
1001 | ||
ce5160c0 AK |
1002 | static void zebra_evpn_acc_vl_show_entry_detail(struct vty *vty, |
1003 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
1004 | { | |
1005 | struct zebra_if *zif; | |
1006 | struct listnode *node; | |
1007 | ||
1008 | if (json) { | |
acffa256 | 1009 | zebra_evpn_acc_vl_json_fill(acc_bd, json, true); |
ce5160c0 | 1010 | } else { |
239b26f9 SR |
1011 | vty_out(vty, "VLAN: %s.%u\n", acc_bd->bridge_zif->ifp->name, |
1012 | acc_bd->vid); | |
ce5160c0 AK |
1013 | vty_out(vty, " VxLAN Interface: %s\n", |
1014 | acc_bd->vxlan_zif ? | |
1015 | acc_bd->vxlan_zif->ifp->name : "-"); | |
243b74ed AK |
1016 | vty_out(vty, " SVI: %s\n", |
1017 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-"); | |
239b26f9 SR |
1018 | if (acc_bd->zevpn) |
1019 | vty_out(vty, " L2-VNI: %d\n", acc_bd->zevpn->vni); | |
1020 | else { | |
1021 | vty_out(vty, " L2-VNI: 0\n"); | |
1022 | vty_out(vty, " L3-VNI: %d\n", acc_bd->vni); | |
1023 | } | |
ce5160c0 AK |
1024 | vty_out(vty, " Member Count: %d\n", |
1025 | listcount(acc_bd->mbr_zifs)); | |
1026 | vty_out(vty, " Members: \n"); | |
1027 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) | |
1028 | vty_out(vty, " %s\n", zif->ifp->name); | |
1029 | vty_out(vty, "\n"); | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | static void zebra_evpn_acc_vl_show_entry(struct vty *vty, | |
1034 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
1035 | { | |
acffa256 AK |
1036 | if (json) { |
1037 | zebra_evpn_acc_vl_json_fill(acc_bd, json, false); | |
1038 | } else { | |
239b26f9 SR |
1039 | vty_out(vty, "%-5s.%-5u %-15s %-8d %-15s %u\n", |
1040 | acc_bd->bridge_zif->ifp->name, acc_bd->vid, | |
243b74ed AK |
1041 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-", |
1042 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0, | |
1043 | acc_bd->vxlan_zif ? acc_bd->vxlan_zif->ifp->name : "-", | |
1044 | listcount(acc_bd->mbr_zifs)); | |
acffa256 | 1045 | } |
ce5160c0 AK |
1046 | } |
1047 | ||
1048 | static void zebra_evpn_acc_vl_show_hash(struct hash_bucket *bucket, void *ctxt) | |
1049 | { | |
1050 | struct evpn_mh_show_ctx *wctx = ctxt; | |
1051 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
acffa256 | 1052 | json_object *json = NULL; |
ce5160c0 | 1053 | |
acffa256 AK |
1054 | if (wctx->json) |
1055 | json = json_object_new_object(); | |
ce5160c0 | 1056 | if (wctx->detail) |
acffa256 | 1057 | zebra_evpn_acc_vl_show_entry_detail(wctx->vty, acc_bd, json); |
ce5160c0 | 1058 | else |
acffa256 AK |
1059 | zebra_evpn_acc_vl_show_entry(wctx->vty, acc_bd, json); |
1060 | if (json) | |
1061 | json_object_array_add(wctx->json, json); | |
ce5160c0 AK |
1062 | } |
1063 | ||
1064 | void zebra_evpn_acc_vl_show(struct vty *vty, bool uj) | |
1065 | { | |
ce5160c0 | 1066 | struct evpn_mh_show_ctx wctx; |
acffa256 AK |
1067 | json_object *json_array = NULL; |
1068 | ||
1069 | if (uj) | |
1070 | json_array = json_object_new_array(); | |
ce5160c0 AK |
1071 | |
1072 | memset(&wctx, 0, sizeof(wctx)); | |
1073 | wctx.vty = vty; | |
acffa256 | 1074 | wctx.json = json_array; |
ce5160c0 AK |
1075 | wctx.detail = false; |
1076 | ||
acffa256 | 1077 | if (!uj) |
239b26f9 | 1078 | vty_out(vty, "%-12s %-15s %-8s %-15s %s\n", "VLAN", "SVI", |
243b74ed | 1079 | "L2-VNI", "VXLAN-IF", "# Members"); |
ce5160c0 AK |
1080 | |
1081 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1082 | &wctx); | |
acffa256 | 1083 | |
c48349e3 | 1084 | if (uj) |
962af8a8 | 1085 | vty_json(vty, json_array); |
ce5160c0 AK |
1086 | } |
1087 | ||
1088 | void zebra_evpn_acc_vl_show_detail(struct vty *vty, bool uj) | |
1089 | { | |
ce5160c0 | 1090 | struct evpn_mh_show_ctx wctx; |
acffa256 | 1091 | json_object *json_array = NULL; |
ce5160c0 | 1092 | |
acffa256 AK |
1093 | if (uj) |
1094 | json_array = json_object_new_array(); | |
ce5160c0 AK |
1095 | memset(&wctx, 0, sizeof(wctx)); |
1096 | wctx.vty = vty; | |
acffa256 | 1097 | wctx.json = json_array; |
ce5160c0 AK |
1098 | wctx.detail = true; |
1099 | ||
1100 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1101 | &wctx); | |
acffa256 | 1102 | |
c48349e3 | 1103 | if (uj) |
962af8a8 | 1104 | vty_json(vty, json_array); |
ce5160c0 AK |
1105 | } |
1106 | ||
239b26f9 SR |
1107 | void zebra_evpn_acc_vl_show_vid(struct vty *vty, bool uj, vlanid_t vid, |
1108 | struct interface *br_if) | |
ce5160c0 AK |
1109 | { |
1110 | json_object *json = NULL; | |
1111 | struct zebra_evpn_access_bd *acc_bd; | |
1112 | ||
acffa256 AK |
1113 | if (uj) |
1114 | json = json_object_new_object(); | |
1115 | ||
239b26f9 | 1116 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); |
acffa256 AK |
1117 | if (acc_bd) { |
1118 | zebra_evpn_acc_vl_show_entry_detail(vty, acc_bd, json); | |
1119 | } else { | |
1120 | if (!json) | |
239b26f9 SR |
1121 | vty_out(vty, "VLAN %s.%u not present\n", br_if->name, |
1122 | vid); | |
ce5160c0 | 1123 | } |
acffa256 | 1124 | |
c48349e3 | 1125 | if (uj) |
962af8a8 | 1126 | vty_json(vty, json); |
ce5160c0 AK |
1127 | } |
1128 | ||
1129 | /* Initialize VLAN member bitmap on an interface. Although VLAN membership | |
1130 | * is independent of EVPN we only process it if its of interest to EVPN-MH | |
1131 | * i.e. on access ports that can be setup as Ethernet Segments. And that is | |
1132 | * intended as an optimization. | |
1133 | */ | |
1134 | void zebra_evpn_if_init(struct zebra_if *zif) | |
1135 | { | |
1136 | if (!zebra_evpn_is_if_es_capable(zif)) | |
1137 | return; | |
1138 | ||
1139 | if (!bf_is_inited(zif->vlan_bitmap)) | |
1140 | bf_init(zif->vlan_bitmap, IF_VLAN_BITMAP_MAX); | |
1141 | ||
1142 | /* if an es_id and sysmac are already present against the interface | |
1143 | * activate it | |
1144 | */ | |
325d694b | 1145 | zebra_evpn_local_es_update(zif, &zif->es_info.esi); |
ce5160c0 AK |
1146 | } |
1147 | ||
1148 | /* handle deletion of an access port by removing it from all associated | |
1149 | * broadcast domains. | |
1150 | */ | |
1151 | void zebra_evpn_if_cleanup(struct zebra_if *zif) | |
1152 | { | |
1153 | vlanid_t vid; | |
ab06b033 | 1154 | struct zebra_evpn_es *es; |
ce5160c0 | 1155 | |
6e59c4a7 AK |
1156 | if (bf_is_inited(zif->vlan_bitmap)) { |
1157 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) | |
1158 | { | |
1159 | zebra_evpn_vl_mbr_deref(vid, zif); | |
1160 | } | |
ce5160c0 | 1161 | |
6e59c4a7 | 1162 | bf_free(zif->vlan_bitmap); |
ce5160c0 AK |
1163 | } |
1164 | ||
ce5160c0 | 1165 | /* Delete associated Ethernet Segment */ |
ab06b033 AK |
1166 | es = zif->es_info.es; |
1167 | if (es) | |
1168 | zebra_evpn_local_es_del(&es); | |
ce5160c0 AK |
1169 | } |
1170 | ||
1171 | /***************************************************************************** | |
1172 | * L2 NH/NHG Management | |
1173 | * A L2 NH entry is programmed in the kernel for every ES-VTEP entry. This | |
1174 | * NH is then added to the L2-ECMP-NHG associated with the ES. | |
1175 | */ | |
15400f95 | 1176 | static uint32_t zebra_evpn_nhid_alloc(struct zebra_evpn_es *es) |
ce5160c0 AK |
1177 | { |
1178 | uint32_t id; | |
15400f95 | 1179 | uint32_t nh_id; |
ce5160c0 AK |
1180 | |
1181 | bf_assign_index(zmh_info->nh_id_bitmap, id); | |
1182 | ||
1183 | if (!id) | |
1184 | return 0; | |
1185 | ||
15400f95 AK |
1186 | if (es) { |
1187 | nh_id = id | EVPN_NHG_ID_TYPE_BIT; | |
1188 | /* Add to NHG hash */ | |
1189 | es->nhg_id = nh_id; | |
8e3aae66 | 1190 | (void)hash_get(zmh_info->nhg_table, es, hash_alloc_intern); |
15400f95 AK |
1191 | } else { |
1192 | nh_id = id | EVPN_NH_ID_TYPE_BIT; | |
1193 | } | |
1194 | ||
1195 | return nh_id; | |
ce5160c0 AK |
1196 | } |
1197 | ||
15400f95 | 1198 | static void zebra_evpn_nhid_free(uint32_t nh_id, struct zebra_evpn_es *es) |
ce5160c0 AK |
1199 | { |
1200 | uint32_t id = (nh_id & EVPN_NH_ID_VAL_MASK); | |
1201 | ||
1202 | if (!id) | |
1203 | return; | |
1204 | ||
15400f95 AK |
1205 | if (es) { |
1206 | hash_release(zmh_info->nhg_table, es); | |
1207 | es->nhg_id = 0; | |
1208 | } | |
1209 | ||
ce5160c0 AK |
1210 | bf_release_index(zmh_info->nh_id_bitmap, id); |
1211 | } | |
1212 | ||
5de10c37 AK |
1213 | static unsigned int zebra_evpn_nh_ip_hash_keymake(const void *p) |
1214 | { | |
1215 | const struct zebra_evpn_l2_nh *nh = p; | |
1216 | ||
1217 | return jhash_1word(nh->vtep_ip.s_addr, 0); | |
1218 | } | |
1219 | ||
1220 | static bool zebra_evpn_nh_ip_cmp(const void *p1, const void *p2) | |
1221 | { | |
1222 | const struct zebra_evpn_l2_nh *nh1 = p1; | |
1223 | const struct zebra_evpn_l2_nh *nh2 = p2; | |
1224 | ||
1225 | if (nh1 == NULL && nh2 == NULL) | |
1226 | return true; | |
1227 | ||
1228 | if (nh1 == NULL || nh2 == NULL) | |
1229 | return false; | |
1230 | ||
1231 | return (nh1->vtep_ip.s_addr == nh2->vtep_ip.s_addr); | |
1232 | } | |
1233 | ||
15400f95 AK |
1234 | static unsigned int zebra_evpn_nhg_hash_keymake(const void *p) |
1235 | { | |
1236 | const struct zebra_evpn_es *es = p; | |
1237 | ||
1238 | return jhash_1word(es->nhg_id, 0); | |
1239 | } | |
1240 | ||
1241 | static bool zebra_evpn_nhg_cmp(const void *p1, const void *p2) | |
1242 | { | |
1243 | const struct zebra_evpn_es *es1 = p1; | |
1244 | const struct zebra_evpn_es *es2 = p2; | |
1245 | ||
1246 | if (es1 == NULL && es2 == NULL) | |
1247 | return true; | |
1248 | ||
1249 | if (es1 == NULL || es2 == NULL) | |
1250 | return false; | |
1251 | ||
1252 | return (es1->nhg_id == es2->nhg_id); | |
1253 | } | |
1254 | ||
1255 | /* Lookup ES using the NHG id associated with it */ | |
1256 | static struct zebra_evpn_es *zebra_evpn_nhg_find(uint32_t nhg_id) | |
1257 | { | |
1258 | struct zebra_evpn_es *es; | |
1259 | struct zebra_evpn_es tmp; | |
1260 | ||
1261 | tmp.nhg_id = nhg_id; | |
1262 | es = hash_lookup(zmh_info->nhg_table, &tmp); | |
1263 | ||
1264 | return es; | |
1265 | } | |
1266 | ||
1267 | /* Returns TRUE if the NHG is associated with a local ES */ | |
1268 | bool zebra_evpn_nhg_is_local_es(uint32_t nhg_id, | |
1269 | struct zebra_evpn_es **local_es) | |
1270 | { | |
1271 | struct zebra_evpn_es *es; | |
1272 | ||
1273 | es = zebra_evpn_nhg_find(nhg_id); | |
1274 | if (es && (es->flags & ZEBRA_EVPNES_LOCAL)) { | |
1275 | *local_es = es; | |
1276 | return true; | |
1277 | } | |
1278 | ||
1279 | *local_es = NULL; | |
1280 | return false; | |
1281 | } | |
1282 | ||
f3722826 AK |
1283 | /* update remote macs associated with the ES */ |
1284 | static void zebra_evpn_nhg_mac_update(struct zebra_evpn_es *es) | |
1285 | { | |
3198b2b3 | 1286 | struct zebra_mac *mac; |
f3722826 | 1287 | struct listnode *node; |
15400f95 | 1288 | bool local_via_nw; |
f3722826 | 1289 | |
15400f95 AK |
1290 | local_via_nw = zebra_evpn_es_local_mac_via_network_port(es); |
1291 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1292 | zlog_debug("mac update on es %s nhg %s", es->esi_str, | |
1293 | (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1294 | ? "activate" | |
1295 | : "de-activate"); | |
f3722826 | 1296 | |
15400f95 AK |
1297 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { |
1298 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1299 | || (local_via_nw && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
1300 | && zebra_evpn_mac_is_static(mac))) { | |
1301 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1302 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1303 | zlog_debug( | |
1304 | "%smac %pEA install via es %s nhg 0x%x", | |
1305 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1306 | ? "rem" | |
1307 | : "local-nw", | |
1308 | &mac->macaddr, es->esi_str, | |
1309 | es->nhg_id); | |
1310 | zebra_evpn_rem_mac_install( | |
1311 | mac->zevpn, mac, false /*was_static*/); | |
1312 | } else { | |
1313 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1314 | zlog_debug( | |
1315 | "%smac %pEA un-install es %s", | |
1316 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1317 | ? "rem" | |
1318 | : "local-nw", | |
1319 | &mac->macaddr, es->esi_str); | |
1320 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
1321 | true /*force*/); | |
1322 | } | |
1323 | } | |
f3722826 AK |
1324 | } |
1325 | } | |
1326 | ||
ce5160c0 AK |
1327 | /* The MAC ECMP group is activated on the first VTEP */ |
1328 | static void zebra_evpn_nhg_update(struct zebra_evpn_es *es) | |
1329 | { | |
1330 | uint32_t nh_cnt = 0; | |
1331 | struct nh_grp nh_ids[ES_VTEP_MAX_CNT]; | |
1332 | struct zebra_evpn_es_vtep *es_vtep; | |
1333 | struct listnode *node; | |
1334 | ||
1335 | if (!es->nhg_id) | |
1336 | return; | |
1337 | ||
1338 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
5de10c37 | 1339 | if (!es_vtep->nh) |
ce5160c0 AK |
1340 | continue; |
1341 | ||
1342 | if (nh_cnt >= ES_VTEP_MAX_CNT) | |
1343 | break; | |
1344 | ||
1345 | memset(&nh_ids[nh_cnt], 0, sizeof(struct nh_grp)); | |
5de10c37 | 1346 | nh_ids[nh_cnt].id = es_vtep->nh->nh_id; |
ce5160c0 AK |
1347 | ++nh_cnt; |
1348 | } | |
1349 | ||
1350 | if (nh_cnt) { | |
1351 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) { | |
1352 | char nh_str[ES_VTEP_LIST_STR_SZ]; | |
1353 | uint32_t i; | |
9e0c2fd1 | 1354 | char nh_buf[16]; |
ce5160c0 AK |
1355 | |
1356 | nh_str[0] = '\0'; | |
9e0c2fd1 AK |
1357 | for (i = 0; i < nh_cnt; ++i) { |
1358 | snprintf(nh_buf, sizeof(nh_buf), "%u ", | |
1359 | nh_ids[i].id); | |
1360 | strlcat(nh_str, nh_buf, sizeof(nh_str)); | |
1361 | } | |
dfa3d3d7 AK |
1362 | zlog_debug("es %s nhg %u add %s", es->esi_str, |
1363 | es->nhg_id, nh_str); | |
ce5160c0 AK |
1364 | } |
1365 | ||
ce5160c0 | 1366 | kernel_upd_mac_nhg(es->nhg_id, nh_cnt, nh_ids); |
28e80a03 AK |
1367 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) { |
1368 | es->flags |= ZEBRA_EVPNES_NHG_ACTIVE; | |
1369 | /* add backup NHG to the br-port */ | |
1370 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1371 | zebra_evpn_es_br_port_dplane_update(es, | |
1372 | __func__); | |
f3722826 | 1373 | zebra_evpn_nhg_mac_update(es); |
28e80a03 | 1374 | } |
ce5160c0 AK |
1375 | } else { |
1376 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1377 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
dfa3d3d7 AK |
1378 | zlog_debug("es %s nhg %u del", es->esi_str, |
1379 | es->nhg_id); | |
ce5160c0 | 1380 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; |
28e80a03 AK |
1381 | /* remove backup NHG from the br-port */ |
1382 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1383 | zebra_evpn_es_br_port_dplane_update(es, | |
1384 | __func__); | |
f3722826 | 1385 | zebra_evpn_nhg_mac_update(es); |
ce5160c0 AK |
1386 | kernel_del_mac_nhg(es->nhg_id); |
1387 | } | |
1388 | } | |
1389 | ||
ce5160c0 AK |
1390 | } |
1391 | ||
5de10c37 AK |
1392 | static void zebra_evpn_es_l2_nh_show_entry(struct zebra_evpn_l2_nh *nh, |
1393 | struct vty *vty, | |
1394 | json_object *json_array) | |
ce5160c0 | 1395 | { |
5de10c37 AK |
1396 | if (json_array) { |
1397 | json_object *json = NULL; | |
5de10c37 AK |
1398 | |
1399 | json = json_object_new_object(); | |
08edf9c6 | 1400 | json_object_string_addf(json, "vtep", "%pI4", &nh->vtep_ip); |
5de10c37 AK |
1401 | json_object_int_add(json, "nhId", nh->nh_id); |
1402 | json_object_int_add(json, "refCnt", nh->ref_cnt); | |
1403 | ||
1404 | json_object_array_add(json_array, json); | |
1405 | } else { | |
1406 | vty_out(vty, "%-16pI4 %-10u %u\n", &nh->vtep_ip, nh->nh_id, | |
1407 | nh->ref_cnt); | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | static void zebra_evpn_l2_nh_show_cb(struct hash_bucket *bucket, void *ctxt) | |
1412 | { | |
1413 | struct zebra_evpn_l2_nh *nh = (struct zebra_evpn_l2_nh *)bucket->data; | |
1414 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; | |
1415 | ||
1416 | zebra_evpn_es_l2_nh_show_entry(nh, wctx->vty, wctx->json); | |
1417 | } | |
1418 | ||
1419 | void zebra_evpn_l2_nh_show(struct vty *vty, bool uj) | |
1420 | { | |
1421 | struct evpn_mh_show_ctx wctx; | |
1422 | json_object *json_array = NULL; | |
1423 | ||
1424 | if (uj) { | |
1425 | json_array = json_object_new_array(); | |
1426 | } else { | |
1427 | vty_out(vty, "%-16s %-10s %s\n", "VTEP", "NH id", "#ES"); | |
1428 | } | |
1429 | ||
1430 | memset(&wctx, 0, sizeof(wctx)); | |
1431 | wctx.vty = vty; | |
1432 | wctx.json = json_array; | |
1433 | ||
1434 | hash_iterate(zmh_info->nh_ip_table, zebra_evpn_l2_nh_show_cb, &wctx); | |
1435 | ||
c48349e3 | 1436 | if (uj) |
962af8a8 | 1437 | vty_json(vty, json_array); |
5de10c37 AK |
1438 | } |
1439 | ||
1440 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_find(struct in_addr vtep_ip) | |
1441 | { | |
1442 | struct zebra_evpn_l2_nh *nh; | |
1443 | struct zebra_evpn_l2_nh tmp; | |
1444 | ||
1445 | tmp.vtep_ip.s_addr = vtep_ip.s_addr; | |
1446 | nh = hash_lookup(zmh_info->nh_ip_table, &tmp); | |
1447 | ||
1448 | return nh; | |
1449 | } | |
1450 | ||
1451 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_alloc(struct in_addr vtep_ip) | |
1452 | { | |
1453 | struct zebra_evpn_l2_nh *nh; | |
1454 | ||
1455 | nh = XCALLOC(MTYPE_L2_NH, sizeof(*nh)); | |
1456 | nh->vtep_ip = vtep_ip; | |
8e3aae66 | 1457 | (void)hash_get(zmh_info->nh_ip_table, nh, hash_alloc_intern); |
5de10c37 AK |
1458 | |
1459 | nh->nh_id = zebra_evpn_nhid_alloc(NULL); | |
1460 | if (!nh->nh_id) { | |
1461 | hash_release(zmh_info->nh_ip_table, nh); | |
1462 | XFREE(MTYPE_L2_NH, nh); | |
1463 | return NULL; | |
1464 | } | |
1465 | ||
1466 | /* install the NH in the dataplane */ | |
1467 | kernel_upd_mac_nh(nh->nh_id, nh->vtep_ip); | |
1468 | ||
1469 | return nh; | |
1470 | } | |
1471 | ||
1472 | static void zebra_evpn_l2_nh_free(struct zebra_evpn_l2_nh *nh) | |
1473 | { | |
1474 | /* delete the NH from the dataplane */ | |
1475 | kernel_del_mac_nh(nh->nh_id); | |
1476 | ||
1477 | zebra_evpn_nhid_free(nh->nh_id, NULL); | |
1478 | hash_release(zmh_info->nh_ip_table, nh); | |
1479 | XFREE(MTYPE_L2_NH, nh); | |
1480 | } | |
1481 | ||
1482 | static void zebra_evpn_l2_nh_es_vtep_ref(struct zebra_evpn_es_vtep *es_vtep) | |
1483 | { | |
1484 | if (es_vtep->nh) | |
ce5160c0 AK |
1485 | return; |
1486 | ||
5de10c37 AK |
1487 | es_vtep->nh = zebra_evpn_l2_nh_find(es_vtep->vtep_ip); |
1488 | if (!es_vtep->nh) | |
1489 | es_vtep->nh = zebra_evpn_l2_nh_alloc(es_vtep->vtep_ip); | |
ce5160c0 | 1490 | |
5de10c37 AK |
1491 | if (!es_vtep->nh) { |
1492 | zlog_warn("es %s vtep %pI4 nh ref failed", es_vtep->es->esi_str, | |
1493 | &es_vtep->vtep_ip); | |
ce5160c0 | 1494 | return; |
5de10c37 AK |
1495 | } |
1496 | ||
1497 | ++es_vtep->nh->ref_cnt; | |
ce5160c0 AK |
1498 | |
1499 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
5de10c37 AK |
1500 | zlog_debug("es %s vtep %pI4 nh %u ref %u", es_vtep->es->esi_str, |
1501 | &es_vtep->vtep_ip, es_vtep->nh->nh_id, | |
1502 | es_vtep->nh->ref_cnt); | |
1503 | ||
ce5160c0 AK |
1504 | /* add the NH to the parent NHG */ |
1505 | zebra_evpn_nhg_update(es_vtep->es); | |
1506 | } | |
1507 | ||
5de10c37 | 1508 | static void zebra_evpn_l2_nh_es_vtep_deref(struct zebra_evpn_es_vtep *es_vtep) |
ce5160c0 | 1509 | { |
5de10c37 | 1510 | struct zebra_evpn_l2_nh *nh = es_vtep->nh; |
ce5160c0 | 1511 | |
5de10c37 | 1512 | if (!nh) |
ce5160c0 AK |
1513 | return; |
1514 | ||
5de10c37 AK |
1515 | es_vtep->nh = NULL; |
1516 | if (nh->ref_cnt) | |
1517 | --nh->ref_cnt; | |
ce5160c0 | 1518 | |
5de10c37 AK |
1519 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) |
1520 | zlog_debug("es %s vtep %pI4 nh %u deref %u", | |
1521 | es_vtep->es->esi_str, &es_vtep->vtep_ip, nh->nh_id, | |
1522 | nh->ref_cnt); | |
ce5160c0 AK |
1523 | |
1524 | /* remove the NH from the parent NHG */ | |
1525 | zebra_evpn_nhg_update(es_vtep->es); | |
5de10c37 | 1526 | |
ce5160c0 | 1527 | /* uninstall the NH */ |
5de10c37 AK |
1528 | if (!nh->ref_cnt) |
1529 | zebra_evpn_l2_nh_free(nh); | |
ce5160c0 AK |
1530 | } |
1531 | ||
1532 | /*****************************************************************************/ | |
1533 | /* Ethernet Segment Management | |
1534 | * 1. Ethernet Segment is a collection of links attached to the same | |
1535 | * server (MHD) or switch (MHN) | |
1536 | * 2. An Ethernet Segment can span multiple PEs and is identified by the | |
1537 | * 10-byte ES-ID. | |
1538 | * 3. Zebra manages the local ESI configuration. | |
1539 | * 4. It also maintains the aliasing that maps an ESI (local or remote) | |
1540 | * to one or more PEs/VTEPs. | |
1541 | * 5. remote ESs are added by BGP (on rxing EAD Type-1 routes) | |
1542 | */ | |
1543 | /* A list of remote VTEPs is maintained for each ES. This list includes - | |
1544 | * 1. VTEPs for which we have imported the ESR i.e. ES-peers | |
1545 | * 2. VTEPs that have an "active" ES-EVI VTEP i.e. EAD-per-ES and EAD-per-EVI | |
87d76d54 | 1546 | * have been imported into one or more EVPNs |
ce5160c0 AK |
1547 | */ |
1548 | static int zebra_evpn_es_vtep_cmp(void *p1, void *p2) | |
1549 | { | |
1550 | const struct zebra_evpn_es_vtep *es_vtep1 = p1; | |
1551 | const struct zebra_evpn_es_vtep *es_vtep2 = p2; | |
1552 | ||
1553 | return es_vtep1->vtep_ip.s_addr - es_vtep2->vtep_ip.s_addr; | |
1554 | } | |
1555 | ||
1556 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_new( | |
1557 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1558 | { | |
1559 | struct zebra_evpn_es_vtep *es_vtep; | |
1560 | ||
1561 | es_vtep = XCALLOC(MTYPE_ZES_VTEP, sizeof(*es_vtep)); | |
1562 | ||
1563 | es_vtep->es = es; | |
1564 | es_vtep->vtep_ip.s_addr = vtep_ip.s_addr; | |
1565 | listnode_init(&es_vtep->es_listnode, es_vtep); | |
1566 | listnode_add_sort(es->es_vtep_list, &es_vtep->es_listnode); | |
1567 | ||
1568 | return es_vtep; | |
1569 | } | |
1570 | ||
1571 | static void zebra_evpn_es_vtep_free(struct zebra_evpn_es_vtep *es_vtep) | |
1572 | { | |
1573 | struct zebra_evpn_es *es = es_vtep->es; | |
1574 | ||
1575 | list_delete_node(es->es_vtep_list, &es_vtep->es_listnode); | |
1576 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1577 | zebra_evpn_l2_nh_es_vtep_deref(es_vtep); |
ce5160c0 AK |
1578 | XFREE(MTYPE_ZES_VTEP, es_vtep); |
1579 | } | |
1580 | ||
1581 | ||
1582 | /* check if VTEP is already part of the list */ | |
1583 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_find( | |
1584 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1585 | { | |
1586 | struct listnode *node = NULL; | |
1587 | struct zebra_evpn_es_vtep *es_vtep; | |
1588 | ||
1589 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1590 | if (es_vtep->vtep_ip.s_addr == vtep_ip.s_addr) | |
1591 | return es_vtep; | |
1592 | } | |
1593 | return NULL; | |
1594 | } | |
1595 | ||
28e80a03 AK |
1596 | /* flush all the dataplane br-port info associated with the ES */ |
1597 | static bool zebra_evpn_es_br_port_dplane_clear(struct zebra_evpn_es *es) | |
1598 | { | |
1599 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1600 | ||
1601 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1602 | return false; | |
1603 | ||
1604 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1605 | zlog_debug("es %s br-port dplane clear", es->esi_str); | |
1606 | ||
1607 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
1608 | dplane_br_port_update(es->zif->ifp, false /* non_df */, 0, sph_filters, | |
1609 | 0 /* backup_nhg_id */); | |
1610 | return true; | |
1611 | } | |
1612 | ||
1613 | static inline bool | |
1614 | zebra_evpn_es_br_port_dplane_update_needed(struct zebra_evpn_es *es) | |
1615 | { | |
1616 | return (es->flags & ZEBRA_EVPNES_NON_DF) | |
1617 | || (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1618 | || listcount(es->es_vtep_list); | |
1619 | } | |
1620 | ||
1621 | /* returns TRUE if dplane entry was updated */ | |
1622 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, | |
1623 | const char *caller) | |
1624 | { | |
1625 | uint32_t backup_nhg_id; | |
1626 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1627 | struct listnode *node = NULL; | |
1628 | struct zebra_evpn_es_vtep *es_vtep; | |
1629 | uint32_t sph_filter_cnt = 0; | |
1630 | ||
1631 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
1632 | return zebra_evpn_es_br_port_dplane_clear(es); | |
1633 | ||
1634 | /* If the ES is not a bridge port there is nothing | |
1635 | * in the dataplane | |
1636 | */ | |
1637 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1638 | return false; | |
1639 | ||
1640 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1641 | zlog_debug("es %s br-port dplane update by %s", es->esi_str, |
1642 | caller); | |
28e80a03 AK |
1643 | backup_nhg_id = (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) ? es->nhg_id : 0; |
1644 | ||
1645 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
00a7710c AK |
1646 | if (es->flags & ZEBRA_EVPNES_BYPASS) { |
1647 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1648 | zlog_debug( | |
1649 | "es %s SPH filter disabled as it is in bypass", | |
1650 | es->esi_str); | |
28e80a03 | 1651 | } else { |
00a7710c AK |
1652 | if (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT) { |
1653 | zlog_warn("es %s vtep count %d exceeds filter cnt %d", | |
1654 | es->esi_str, listcount(es->es_vtep_list), | |
1655 | ES_VTEP_MAX_CNT); | |
1656 | } else { | |
1657 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, | |
1658 | es_vtep)) { | |
1659 | if (es_vtep->flags | |
1660 | & ZEBRA_EVPNES_VTEP_DEL_IN_PROG) | |
1661 | continue; | |
1662 | sph_filters[sph_filter_cnt] = es_vtep->vtep_ip; | |
1663 | ++sph_filter_cnt; | |
1664 | } | |
28e80a03 AK |
1665 | } |
1666 | } | |
1667 | ||
1668 | dplane_br_port_update(es->zif->ifp, !!(es->flags & ZEBRA_EVPNES_NON_DF), | |
1669 | sph_filter_cnt, sph_filters, backup_nhg_id); | |
1670 | ||
1671 | return true; | |
1672 | } | |
1673 | ||
1674 | /* returns TRUE if dplane entry was updated */ | |
1675 | static bool zebra_evpn_es_df_change(struct zebra_evpn_es *es, bool new_non_df, | |
35f5c31b | 1676 | const char *caller, const char *reason) |
1103c5c6 AK |
1677 | { |
1678 | bool old_non_df; | |
1679 | ||
1680 | old_non_df = !!(es->flags & ZEBRA_EVPNES_NON_DF); | |
1681 | ||
1682 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
35f5c31b AK |
1683 | zlog_debug("df-change es %s %s to %s; %s: %s", es->esi_str, |
1684 | old_non_df ? "non-df" : "df", | |
1685 | new_non_df ? "non-df" : "df", caller, reason); | |
1103c5c6 AK |
1686 | |
1687 | if (old_non_df == new_non_df) | |
28e80a03 | 1688 | return false; |
1103c5c6 | 1689 | |
28e80a03 | 1690 | if (new_non_df) |
1103c5c6 | 1691 | es->flags |= ZEBRA_EVPNES_NON_DF; |
28e80a03 | 1692 | else |
1103c5c6 | 1693 | es->flags &= ~ZEBRA_EVPNES_NON_DF; |
28e80a03 AK |
1694 | |
1695 | /* update non-DF block filter in the dataplane */ | |
1696 | return zebra_evpn_es_br_port_dplane_update(es, __func__); | |
1103c5c6 AK |
1697 | } |
1698 | ||
28e80a03 AK |
1699 | |
1700 | /* returns TRUE if dplane entry was updated */ | |
1701 | static bool zebra_evpn_es_run_df_election(struct zebra_evpn_es *es, | |
1103c5c6 AK |
1702 | const char *caller) |
1703 | { | |
1704 | struct listnode *node = NULL; | |
1705 | struct zebra_evpn_es_vtep *es_vtep; | |
1706 | bool new_non_df = false; | |
1707 | ||
1708 | /* If the ES is not ready (i.e. not completely configured) there | |
1709 | * is no need to setup the BUM block filter | |
1710 | */ | |
1711 | if (!(es->flags & ZEBRA_EVPNES_LOCAL) | |
00a7710c | 1712 | || (es->flags & ZEBRA_EVPNES_BYPASS) |
28e80a03 | 1713 | || !zmh_info->es_originator_ip.s_addr) |
35f5c31b AK |
1714 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1715 | "not-ready"); | |
1103c5c6 AK |
1716 | |
1717 | /* if oper-state is down DF filtering must be on. when the link comes | |
1718 | * up again dataplane should block BUM till FRR has had the chance | |
1719 | * to run DF election again | |
1720 | */ | |
1721 | if (!(es->flags & ZEBRA_EVPNES_OPER_UP)) { | |
1722 | new_non_df = true; | |
35f5c31b AK |
1723 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1724 | "oper-down"); | |
1725 | } | |
1726 | ||
1727 | /* ES was just created; we need to wait for the peers to rx the | |
1728 | * our Type-4 routes and for the switch to import the peers' Type-4 | |
1729 | * routes | |
1730 | */ | |
1731 | if (es->df_delay_timer) { | |
1732 | new_non_df = true; | |
1733 | return zebra_evpn_es_df_change(es, new_non_df, caller, | |
1734 | "df-delay"); | |
1103c5c6 AK |
1735 | } |
1736 | ||
1737 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1738 | /* Only VTEPs that have advertised the ESR can participate | |
1739 | * in DF election | |
1740 | */ | |
1741 | if (!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR)) | |
1742 | continue; | |
1743 | ||
1744 | /* If the DF alg is not the same we should fall back to | |
1745 | * service-carving. But as service-carving is not supported | |
1746 | * we will stop forwarding BUM | |
1747 | */ | |
1748 | if (es_vtep->df_alg != EVPN_MH_DF_ALG_PREF) { | |
1749 | new_non_df = true; | |
1750 | break; | |
1751 | } | |
1752 | ||
1753 | /* Peer VTEP wins DF election if - | |
1754 | * the peer-VTEP has higher preference (or) | |
1755 | * the pref is the same but peer's IP address is lower | |
1756 | */ | |
1757 | if ((es_vtep->df_pref > es->df_pref) | |
1758 | || ((es_vtep->df_pref == es->df_pref) | |
1759 | && (es_vtep->vtep_ip.s_addr | |
1760 | < zmh_info->es_originator_ip.s_addr))) { | |
1761 | new_non_df = true; | |
1762 | break; | |
1763 | } | |
1764 | } | |
1765 | ||
35f5c31b | 1766 | return zebra_evpn_es_df_change(es, new_non_df, caller, "elected"); |
1103c5c6 AK |
1767 | } |
1768 | ||
ce5160c0 | 1769 | static void zebra_evpn_es_vtep_add(struct zebra_evpn_es *es, |
1103c5c6 AK |
1770 | struct in_addr vtep_ip, bool esr_rxed, |
1771 | uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
1772 | { |
1773 | struct zebra_evpn_es_vtep *es_vtep; | |
1103c5c6 | 1774 | bool old_esr_rxed; |
28e80a03 | 1775 | bool dplane_updated = false; |
ce5160c0 AK |
1776 | |
1777 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1778 | ||
1779 | if (!es_vtep) { | |
1780 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1781 | zlog_debug("es %s vtep %pI4 add", |
1782 | es->esi_str, &vtep_ip); | |
ce5160c0 AK |
1783 | es_vtep = zebra_evpn_es_vtep_new(es, vtep_ip); |
1784 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1785 | zebra_evpn_l2_nh_es_vtep_ref(es_vtep); |
ce5160c0 | 1786 | } |
1103c5c6 AK |
1787 | |
1788 | old_esr_rxed = !!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR); | |
1789 | if ((old_esr_rxed != esr_rxed) || (es_vtep->df_alg != df_alg) | |
1790 | || (es_vtep->df_pref != df_pref)) { | |
1791 | /* If any of the DF election params changed we need to re-run | |
1792 | * DF election | |
1793 | */ | |
1794 | if (esr_rxed) | |
1795 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1796 | else | |
1797 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1798 | es_vtep->df_alg = df_alg; | |
1799 | es_vtep->df_pref = df_pref; | |
28e80a03 | 1800 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); |
1103c5c6 | 1801 | } |
28e80a03 AK |
1802 | /* add the vtep to the SPH list */ |
1803 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1804 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1805 | } |
1806 | ||
1807 | static void zebra_evpn_es_vtep_del(struct zebra_evpn_es *es, | |
1808 | struct in_addr vtep_ip) | |
1809 | { | |
1810 | struct zebra_evpn_es_vtep *es_vtep; | |
28e80a03 | 1811 | bool dplane_updated = false; |
ce5160c0 AK |
1812 | |
1813 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1814 | ||
1815 | if (es_vtep) { | |
1816 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1817 | zlog_debug("es %s vtep %pI4 del", |
1818 | es->esi_str, &vtep_ip); | |
28e80a03 | 1819 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_DEL_IN_PROG; |
1103c5c6 AK |
1820 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
1821 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
28e80a03 AK |
1822 | dplane_updated = |
1823 | zebra_evpn_es_run_df_election(es, __func__); | |
1103c5c6 | 1824 | } |
28e80a03 AK |
1825 | /* remove the vtep from the SPH list */ |
1826 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1827 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1828 | zebra_evpn_es_vtep_free(es_vtep); |
1829 | } | |
1830 | } | |
1831 | ||
1832 | /* compare ES-IDs for the global ES RB tree */ | |
1833 | static int zebra_es_rb_cmp(const struct zebra_evpn_es *es1, | |
1834 | const struct zebra_evpn_es *es2) | |
1835 | { | |
1836 | return memcmp(&es1->esi, &es2->esi, ESI_BYTES); | |
1837 | } | |
1838 | RB_GENERATE(zebra_es_rb_head, zebra_evpn_es, rb_node, zebra_es_rb_cmp); | |
1839 | ||
1840 | /* Lookup ES */ | |
32367e7a | 1841 | struct zebra_evpn_es *zebra_evpn_es_find(const esi_t *esi) |
ce5160c0 AK |
1842 | { |
1843 | struct zebra_evpn_es tmp; | |
1844 | ||
1845 | memcpy(&tmp.esi, esi, sizeof(esi_t)); | |
1846 | return RB_FIND(zebra_es_rb_head, &zmh_info->es_rb_tree, &tmp); | |
1847 | } | |
1848 | ||
1849 | /* A new local es is created when a local-es-id and sysmac is configured | |
1850 | * against an interface. | |
1851 | */ | |
32367e7a | 1852 | static struct zebra_evpn_es *zebra_evpn_es_new(const esi_t *esi) |
ce5160c0 AK |
1853 | { |
1854 | struct zebra_evpn_es *es; | |
1855 | ||
325d694b AK |
1856 | if (!memcmp(esi, zero_esi, sizeof(esi_t))) |
1857 | return NULL; | |
1858 | ||
ce5160c0 AK |
1859 | es = XCALLOC(MTYPE_ZES, sizeof(struct zebra_evpn_es)); |
1860 | ||
1861 | /* fill in ESI */ | |
1862 | memcpy(&es->esi, esi, sizeof(esi_t)); | |
1863 | esi_to_str(&es->esi, es->esi_str, sizeof(es->esi_str)); | |
1864 | ||
1865 | /* Add to rb_tree */ | |
2a778afe | 1866 | RB_INSERT(zebra_es_rb_head, &zmh_info->es_rb_tree, es); |
ce5160c0 AK |
1867 | |
1868 | /* Initialise the ES-EVI list */ | |
1869 | es->es_evi_list = list_new(); | |
1870 | listset_app_node_mem(es->es_evi_list); | |
1871 | ||
1872 | /* Initialise the VTEP list */ | |
1873 | es->es_vtep_list = list_new(); | |
1874 | listset_app_node_mem(es->es_vtep_list); | |
1875 | es->es_vtep_list->cmp = zebra_evpn_es_vtep_cmp; | |
1876 | ||
b169fd6f AK |
1877 | /* mac entries associated with the ES */ |
1878 | es->mac_list = list_new(); | |
1879 | listset_app_node_mem(es->mac_list); | |
1880 | ||
ce5160c0 | 1881 | /* reserve a NHG */ |
15400f95 | 1882 | es->nhg_id = zebra_evpn_nhid_alloc(es); |
ce5160c0 AK |
1883 | |
1884 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 | 1885 | zlog_debug("es %s nhg %u new", es->esi_str, es->nhg_id); |
ce5160c0 AK |
1886 | |
1887 | return es; | |
1888 | } | |
1889 | ||
1890 | /* Free a given ES - | |
1891 | * This just frees appropriate memory, caller should have taken other | |
1892 | * needed actions. | |
1893 | */ | |
e378f502 | 1894 | static void zebra_evpn_es_free(struct zebra_evpn_es **esp) |
ce5160c0 | 1895 | { |
e378f502 AK |
1896 | struct zebra_evpn_es *es = *esp; |
1897 | ||
ce5160c0 AK |
1898 | /* If the ES has a local or remote reference it cannot be freed. |
1899 | * Free is also prevented if there are MAC entries referencing | |
1900 | * it. | |
1901 | */ | |
1902 | if ((es->flags & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE)) || | |
b169fd6f | 1903 | listcount(es->mac_list)) |
e378f502 | 1904 | return; |
ce5160c0 AK |
1905 | |
1906 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1907 | zlog_debug("es %s free", es->esi_str); | |
1908 | ||
1909 | /* If the NHG is still installed uninstall it and free the id */ | |
1910 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1911 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; | |
1912 | kernel_del_mac_nhg(es->nhg_id); | |
1913 | } | |
15400f95 | 1914 | zebra_evpn_nhid_free(es->nhg_id, es); |
ce5160c0 AK |
1915 | |
1916 | /* cleanup resources maintained against the ES */ | |
1917 | list_delete(&es->es_evi_list); | |
1918 | list_delete(&es->es_vtep_list); | |
b169fd6f | 1919 | list_delete(&es->mac_list); |
ce5160c0 AK |
1920 | |
1921 | /* remove from the VNI-ESI rb tree */ | |
1922 | RB_REMOVE(zebra_es_rb_head, &zmh_info->es_rb_tree, es); | |
1923 | ||
1924 | XFREE(MTYPE_ZES, es); | |
b169fd6f | 1925 | |
e378f502 | 1926 | *esp = NULL; |
ce5160c0 AK |
1927 | } |
1928 | ||
1929 | /* Inform BGP about local ES addition */ | |
1930 | static int zebra_evpn_es_send_add_to_client(struct zebra_evpn_es *es) | |
1931 | { | |
1932 | struct zserv *client; | |
1933 | struct stream *s; | |
1934 | uint8_t oper_up; | |
00a7710c | 1935 | bool bypass; |
ce5160c0 AK |
1936 | |
1937 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1938 | /* BGP may not be running. */ | |
1939 | if (!client) | |
1940 | return 0; | |
1941 | ||
1942 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1943 | ||
1944 | zclient_create_header(s, ZEBRA_LOCAL_ES_ADD, zebra_vrf_get_evpn_id()); | |
1945 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1946 | stream_put_ipv4(s, zmh_info->es_originator_ip.s_addr); | |
1947 | oper_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
1948 | stream_putc(s, oper_up); | |
1103c5c6 | 1949 | stream_putw(s, es->df_pref); |
00a7710c AK |
1950 | bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); |
1951 | stream_putc(s, bypass); | |
ce5160c0 AK |
1952 | |
1953 | /* Write packet size. */ | |
1954 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1955 | ||
1956 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1957 | zlog_debug( |
1958 | "send add local es %s %pI4 active %u df_pref %u%s to %s", | |
1959 | es->esi_str, &zmh_info->es_originator_ip, oper_up, | |
1960 | es->df_pref, bypass ? " bypass" : "", | |
1961 | zebra_route_string(client->proto)); | |
ce5160c0 AK |
1962 | |
1963 | client->local_es_add_cnt++; | |
1964 | return zserv_send_message(client, s); | |
1965 | } | |
1966 | ||
1967 | /* Inform BGP about local ES deletion */ | |
1968 | static int zebra_evpn_es_send_del_to_client(struct zebra_evpn_es *es) | |
1969 | { | |
1970 | struct zserv *client; | |
1971 | struct stream *s; | |
1972 | ||
1973 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1974 | /* BGP may not be running. */ | |
1975 | if (!client) | |
1976 | return 0; | |
1977 | ||
1978 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1979 | stream_reset(s); | |
1980 | ||
1981 | zclient_create_header(s, ZEBRA_LOCAL_ES_DEL, zebra_vrf_get_evpn_id()); | |
1982 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1983 | ||
1984 | /* Write packet size. */ | |
1985 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1986 | ||
1987 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1988 | zlog_debug("send del local es %s to %s", es->esi_str, | |
1989 | zebra_route_string(client->proto)); | |
1990 | ||
1991 | client->local_es_del_cnt++; | |
1992 | return zserv_send_message(client, s); | |
1993 | } | |
1994 | ||
ce5160c0 AK |
1995 | static void zebra_evpn_es_re_eval_send_to_client(struct zebra_evpn_es *es, |
1996 | bool es_evi_re_reval) | |
1997 | { | |
1998 | bool old_ready; | |
1999 | bool new_ready; | |
2000 | struct listnode *node; | |
2001 | struct zebra_evpn_es_evi *es_evi; | |
2002 | ||
2003 | old_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
2004 | ||
2005 | if ((es->flags & ZEBRA_EVPNES_LOCAL) && | |
2006 | zmh_info->es_originator_ip.s_addr) | |
2007 | es->flags |= ZEBRA_EVPNES_READY_FOR_BGP; | |
2008 | else | |
2009 | es->flags &= ~ZEBRA_EVPNES_READY_FOR_BGP; | |
2010 | ||
2011 | new_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
2012 | if (old_ready == new_ready) | |
2013 | return; | |
2014 | ||
2015 | if (new_ready) | |
2016 | zebra_evpn_es_send_add_to_client(es); | |
2017 | else | |
2018 | zebra_evpn_es_send_del_to_client(es); | |
2019 | ||
2020 | /* re-eval associated EVIs */ | |
2021 | if (es_evi_re_reval) { | |
2022 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, node, es_evi)) { | |
2023 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
2024 | continue; | |
2025 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
2026 | } | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | void zebra_evpn_es_send_all_to_client(bool add) | |
2031 | { | |
2032 | struct listnode *es_node; | |
2033 | struct listnode *evi_node; | |
2034 | struct zebra_evpn_es *es; | |
2035 | struct zebra_evpn_es_evi *es_evi; | |
2036 | ||
2037 | if (!zmh_info) | |
2038 | return; | |
2039 | ||
2040 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, es_node, es)) { | |
2041 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) { | |
2042 | if (add) | |
2043 | zebra_evpn_es_send_add_to_client(es); | |
2044 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, | |
2045 | evi_node, es_evi)) { | |
2046 | if (!(es_evi->flags & | |
2047 | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) | |
2048 | continue; | |
2049 | ||
2050 | if (add) | |
2051 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 2052 | es, es_evi->zevpn, |
ce5160c0 AK |
2053 | true /* add */); |
2054 | else | |
2055 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 2056 | es, es_evi->zevpn, |
ce5160c0 AK |
2057 | false /* add */); |
2058 | } | |
2059 | if (!add) | |
2060 | zebra_evpn_es_send_del_to_client(es); | |
2061 | } | |
2062 | } | |
2063 | } | |
2064 | ||
2065 | /* walk the vlan bitmap associated with the zif and create or delete | |
2066 | * es_evis for all vlans associated with a VNI. | |
2067 | * XXX: This API is really expensive. optimize later if possible. | |
2068 | */ | |
2069 | static void zebra_evpn_es_setup_evis(struct zebra_evpn_es *es) | |
2070 | { | |
2071 | struct zebra_if *zif = es->zif; | |
2072 | uint16_t vid; | |
2073 | struct zebra_evpn_access_bd *acc_bd; | |
2074 | ||
0b05c9bb AK |
2075 | if (!bf_is_inited(zif->vlan_bitmap)) |
2076 | return; | |
ce5160c0 AK |
2077 | |
2078 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) { | |
239b26f9 | 2079 | acc_bd = zebra_evpn_acc_vl_find(vid, zif->brslave_info.br_if); |
87d76d54 PR |
2080 | if (acc_bd->zevpn) |
2081 | zebra_evpn_local_es_evi_add(es, acc_bd->zevpn); | |
ce5160c0 AK |
2082 | } |
2083 | } | |
2084 | ||
3198b2b3 DS |
2085 | static void zebra_evpn_flush_local_mac(struct zebra_mac *mac, |
2086 | struct interface *ifp) | |
00a7710c | 2087 | { |
8d30ff3b | 2088 | vlanid_t vid; |
00a7710c AK |
2089 | struct zebra_if *zif; |
2090 | struct interface *br_ifp; | |
8d30ff3b | 2091 | struct zebra_vxlan_vni *vni; |
00a7710c AK |
2092 | |
2093 | zif = ifp->info; | |
2094 | br_ifp = zif->brslave_info.br_if; | |
2095 | if (!br_ifp) | |
2096 | return; | |
2097 | ||
2098 | if (mac->zevpn->vxlan_if) { | |
2099 | zif = mac->zevpn->vxlan_if->info; | |
8d30ff3b SR |
2100 | vni = zebra_vxlan_if_vni_find(zif, mac->zevpn->vni); |
2101 | vid = vni->access_vlan; | |
00a7710c AK |
2102 | } else { |
2103 | vid = 0; | |
2104 | } | |
2105 | ||
2106 | /* delete the local mac from the dataplane */ | |
2107 | dplane_local_mac_del(ifp, br_ifp, vid, &mac->macaddr); | |
2108 | /* delete the local mac in zebra */ | |
2109 | zebra_evpn_del_local_mac(mac->zevpn, mac, true); | |
2110 | } | |
2111 | ||
2112 | static void zebra_evpn_es_flush_local_macs(struct zebra_evpn_es *es, | |
2113 | struct interface *ifp, bool add) | |
b169fd6f | 2114 | { |
3198b2b3 | 2115 | struct zebra_mac *mac; |
b169fd6f | 2116 | struct listnode *node; |
00a7710c | 2117 | struct listnode *nnode; |
b169fd6f | 2118 | |
00a7710c AK |
2119 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { |
2120 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2121 | continue; | |
2122 | ||
2123 | /* If ES is being attached/detached from the access port we | |
2124 | * need to clear local activity and peer activity and start | |
2125 | * over */ | |
2126 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2127 | zlog_debug("VNI %u mac %pEA update; local ES %s %s", | |
2128 | mac->zevpn->vni, | |
2129 | &mac->macaddr, | |
2130 | es->esi_str, add ? "add" : "del"); | |
2131 | zebra_evpn_flush_local_mac(mac, ifp); | |
b169fd6f AK |
2132 | } |
2133 | } | |
2134 | ||
72f2674a AK |
2135 | void zebra_evpn_es_local_br_port_update(struct zebra_if *zif) |
2136 | { | |
2137 | struct zebra_evpn_es *es = zif->es_info.es; | |
2138 | bool old_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2139 | bool new_br_port; | |
2140 | ||
2141 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) | |
2142 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2143 | else | |
2144 | es->flags &= ~ZEBRA_EVPNES_BR_PORT; | |
2145 | ||
2146 | new_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2147 | if (old_br_port == new_br_port) | |
2148 | return; | |
2149 | ||
2150 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2151 | zlog_debug("es %s br_port change old %u new %u", es->esi_str, | |
2152 | old_br_port, new_br_port); | |
2153 | ||
2154 | /* update the dataplane br_port attrs */ | |
2155 | if (new_br_port && zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2156 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2157 | } | |
2158 | ||
b2ee2b71 AK |
2159 | /* On config of first local-ES turn off DAD */ |
2160 | static void zebra_evpn_mh_dup_addr_detect_off(void) | |
2161 | { | |
2162 | struct zebra_vrf *zvrf; | |
2163 | bool old_detect; | |
2164 | bool new_detect; | |
2165 | ||
2166 | if (zmh_info->flags & ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF) | |
2167 | return; | |
2168 | ||
2169 | zvrf = zebra_vrf_get_evpn(); | |
b2ee2b71 AK |
2170 | old_detect = zebra_evpn_do_dup_addr_detect(zvrf); |
2171 | zmh_info->flags |= ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF; | |
2172 | new_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
2173 | ||
2174 | if (old_detect && !new_detect) { | |
2175 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2176 | zlog_debug( | |
2177 | "evpn-mh config caused DAD addr detect chg from %s to %s", | |
2178 | old_detect ? "on" : "off", | |
2179 | new_detect ? "on" : "off"); | |
2180 | zebra_vxlan_clear_dup_detect_vni_all(zvrf); | |
2181 | } | |
2182 | } | |
2183 | ||
c7bfd085 AK |
2184 | /* On config of first local-ES turn off advertisement of STALE/DELAY/PROBE |
2185 | * neighbors | |
2186 | */ | |
2187 | static void zebra_evpn_mh_advertise_reach_neigh_only(void) | |
2188 | { | |
2189 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY) | |
2190 | return; | |
2191 | ||
2192 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY; | |
2193 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2194 | zlog_debug("evpn-mh: only REACHABLE neigh advertised"); | |
2195 | ||
2196 | /* XXX - if STALE/DELAY/PROBE neighs were previously advertised we | |
2197 | * need to withdraw them | |
2198 | */ | |
2199 | } | |
2200 | ||
243b74ed AK |
2201 | /* On config of first local-ES turn on advertisement of local SVI-MAC */ |
2202 | static void zebra_evpn_mh_advertise_svi_mac(void) | |
2203 | { | |
2204 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_SVI_MAC) | |
2205 | return; | |
2206 | ||
2207 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_SVI_MAC; | |
2208 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2209 | zlog_debug("evpn-mh: advertise SVI MAC"); | |
2210 | ||
2211 | /* walk through all SVIs and see if we need to advertise the MAC */ | |
2212 | zebra_evpn_acc_vl_adv_svi_mac_all(); | |
2213 | } | |
2214 | ||
cc9f21da | 2215 | static void zebra_evpn_es_df_delay_exp_cb(struct thread *t) |
35f5c31b AK |
2216 | { |
2217 | struct zebra_evpn_es *es; | |
2218 | ||
2219 | es = THREAD_ARG(t); | |
2220 | ||
2221 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2222 | zlog_debug("es %s df-delay expired", es->esi_str); | |
2223 | ||
2224 | zebra_evpn_es_run_df_election(es, __func__); | |
35f5c31b AK |
2225 | } |
2226 | ||
243b74ed AK |
2227 | /* currently there is no global config to turn on MH instead we use |
2228 | * the addition of the first local Ethernet Segment as the trigger to | |
2229 | * init MH specific processing | |
2230 | */ | |
2231 | static void zebra_evpn_mh_on_first_local_es(void) | |
2232 | { | |
2233 | zebra_evpn_mh_dup_addr_detect_off(); | |
2234 | zebra_evpn_mh_advertise_reach_neigh_only(); | |
2235 | zebra_evpn_mh_advertise_svi_mac(); | |
2236 | } | |
2237 | ||
ce5160c0 AK |
2238 | static void zebra_evpn_es_local_info_set(struct zebra_evpn_es *es, |
2239 | struct zebra_if *zif) | |
2240 | { | |
2241 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
2242 | return; | |
2243 | ||
2244 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2245 | zlog_debug("local es %s add; nhg %u if %s", es->esi_str, |
2246 | es->nhg_id, zif->ifp->name); | |
ce5160c0 | 2247 | |
243b74ed | 2248 | zebra_evpn_mh_on_first_local_es(); |
b2ee2b71 | 2249 | |
ce5160c0 AK |
2250 | es->flags |= ZEBRA_EVPNES_LOCAL; |
2251 | listnode_init(&es->local_es_listnode, es); | |
2252 | listnode_add(zmh_info->local_es_list, &es->local_es_listnode); | |
2253 | ||
2254 | /* attach es to interface */ | |
2255 | zif->es_info.es = es; | |
1103c5c6 AK |
2256 | es->df_pref = zif->es_info.df_pref ? zif->es_info.df_pref |
2257 | : EVPN_MH_DF_PREF_DEFAULT; | |
ce5160c0 AK |
2258 | |
2259 | /* attach interface to es */ | |
2260 | es->zif = zif; | |
2261 | if (if_is_operative(zif->ifp)) | |
2262 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2263 | ||
72f2674a AK |
2264 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) |
2265 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2266 | ||
00a7710c AK |
2267 | /* inherit the bypass flag from the interface */ |
2268 | if (zif->flags & ZIF_FLAG_LACP_BYPASS) | |
2269 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2270 | ||
ce5160c0 AK |
2271 | /* setup base-vni if one doesn't already exist; the ES will get sent |
2272 | * to BGP as a part of that process | |
2273 | */ | |
87d76d54 PR |
2274 | if (!zmh_info->es_base_evpn) |
2275 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 AK |
2276 | else |
2277 | /* send notification to bgp */ | |
2278 | zebra_evpn_es_re_eval_send_to_client(es, | |
2279 | false /* es_evi_re_reval */); | |
2280 | ||
35f5c31b AK |
2281 | /* Start the DF delay timer on the local ES */ |
2282 | if (!es->df_delay_timer) | |
2283 | thread_add_timer(zrouter.master, zebra_evpn_es_df_delay_exp_cb, | |
2284 | es, ZEBRA_EVPN_MH_DF_DELAY_TIME, | |
2285 | &es->df_delay_timer); | |
2286 | ||
1103c5c6 | 2287 | /* See if the local VTEP can function as DF on the ES */ |
28e80a03 AK |
2288 | if (!zebra_evpn_es_run_df_election(es, __func__)) { |
2289 | /* check if the dplane entry needs to be re-programmed as a | |
2290 | * result of some thing other than DF status change | |
2291 | */ | |
2292 | if (zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2293 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2294 | } | |
2295 | ||
1103c5c6 | 2296 | |
ce5160c0 AK |
2297 | /* Setup ES-EVIs for all VxLAN stretched VLANs associated with |
2298 | * the zif | |
2299 | */ | |
2300 | zebra_evpn_es_setup_evis(es); | |
b169fd6f | 2301 | /* if there any local macs referring to the ES as dest we |
00a7710c | 2302 | * need to clear the contents and start over |
b169fd6f | 2303 | */ |
00a7710c | 2304 | zebra_evpn_es_flush_local_macs(es, zif->ifp, true); |
c36e442c AK |
2305 | |
2306 | /* inherit EVPN protodown flags on the access port */ | |
2bcf92e1 | 2307 | zebra_evpn_mh_update_protodown_es(es, true /*resync_dplane*/); |
ce5160c0 AK |
2308 | } |
2309 | ||
e378f502 | 2310 | static void zebra_evpn_es_local_info_clear(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2311 | { |
2312 | struct zebra_if *zif; | |
e378f502 | 2313 | struct zebra_evpn_es *es = *esp; |
28e80a03 | 2314 | bool dplane_updated = false; |
ce5160c0 AK |
2315 | |
2316 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
2317 | return; | |
2318 | ||
00a7710c AK |
2319 | zif = es->zif; |
2320 | ||
2321 | /* if there any local macs referring to the ES as dest we | |
2322 | * need to clear the contents and start over | |
2323 | */ | |
2324 | zebra_evpn_es_flush_local_macs(es, zif->ifp, false); | |
2325 | ||
4cd94050 AK |
2326 | es->flags &= ~(ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_READY_FOR_BGP); |
2327 | ||
35f5c31b AK |
2328 | THREAD_OFF(es->df_delay_timer); |
2329 | ||
c36e442c AK |
2330 | /* clear EVPN protodown flags on the access port */ |
2331 | zebra_evpn_mh_clear_protodown_es(es); | |
2332 | ||
00a7710c AK |
2333 | /* remove the DF filter */ |
2334 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
b169fd6f | 2335 | |
28e80a03 AK |
2336 | /* flush the BUM filters and backup NHG */ |
2337 | if (!dplane_updated) | |
2338 | zebra_evpn_es_br_port_dplane_clear(es); | |
2339 | ||
ce5160c0 | 2340 | /* clear the es from the parent interface */ |
ce5160c0 AK |
2341 | zif->es_info.es = NULL; |
2342 | es->zif = NULL; | |
2343 | ||
72f2674a | 2344 | /* clear all local flags associated with the ES */ |
00a7710c AK |
2345 | es->flags &= ~(ZEBRA_EVPNES_OPER_UP | ZEBRA_EVPNES_BR_PORT |
2346 | | ZEBRA_EVPNES_BYPASS); | |
72f2674a | 2347 | |
ce5160c0 AK |
2348 | /* remove from the ES list */ |
2349 | list_delete_node(zmh_info->local_es_list, &es->local_es_listnode); | |
2350 | ||
2351 | /* free up the ES if there is no remote reference */ | |
e378f502 | 2352 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2353 | } |
2354 | ||
2355 | /* Delete an ethernet segment and inform BGP */ | |
e378f502 | 2356 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2357 | { |
2358 | struct zebra_evpn_es_evi *es_evi; | |
2359 | struct listnode *node = NULL; | |
2360 | struct listnode *nnode = NULL; | |
2361 | struct zebra_if *zif; | |
e378f502 | 2362 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2363 | |
2364 | if (!CHECK_FLAG(es->flags, ZEBRA_EVPNES_LOCAL)) | |
2365 | return; | |
2366 | ||
2367 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) { | |
2368 | zif = es->zif; | |
dfa3d3d7 AK |
2369 | zlog_debug("local es %s del; nhg %u if %s", es->esi_str, |
2370 | es->nhg_id, zif ? zif->ifp->name : "-"); | |
ce5160c0 AK |
2371 | } |
2372 | ||
2373 | /* remove all ES-EVIs associated with the ES */ | |
2374 | for (ALL_LIST_ELEMENTS(es->es_evi_list, node, nnode, es_evi)) | |
2375 | zebra_evpn_local_es_evi_do_del(es_evi); | |
2376 | ||
2377 | /* send a del if the ES had been sent to BGP earlier */ | |
2378 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2379 | zebra_evpn_es_send_del_to_client(es); | |
2380 | ||
e378f502 | 2381 | zebra_evpn_es_local_info_clear(esp); |
ce5160c0 AK |
2382 | } |
2383 | ||
2384 | /* eval remote info associated with the ES */ | |
e378f502 | 2385 | static void zebra_evpn_es_remote_info_re_eval(struct zebra_evpn_es **esp) |
ce5160c0 | 2386 | { |
e378f502 AK |
2387 | struct zebra_evpn_es *es = *esp; |
2388 | ||
ce5160c0 AK |
2389 | /* if there are remote VTEPs the ES-EVI is classified as "remote" */ |
2390 | if (listcount(es->es_vtep_list)) { | |
2391 | if (!(es->flags & ZEBRA_EVPNES_REMOTE)) { | |
2392 | es->flags |= ZEBRA_EVPNES_REMOTE; | |
2393 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2394 | zlog_debug("remote es %s add; nhg %u", |
2395 | es->esi_str, es->nhg_id); | |
ce5160c0 AK |
2396 | } |
2397 | } else { | |
2398 | if (es->flags & ZEBRA_EVPNES_REMOTE) { | |
2399 | es->flags &= ~ZEBRA_EVPNES_REMOTE; | |
2400 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2401 | zlog_debug("remote es %s del; nhg %u", |
2402 | es->esi_str, es->nhg_id); | |
e378f502 | 2403 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2404 | } |
2405 | } | |
2406 | } | |
2407 | ||
2408 | /* A new local es is created when a local-es-id and sysmac is configured | |
2409 | * against an interface. | |
2410 | */ | |
325d694b | 2411 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi) |
ce5160c0 AK |
2412 | { |
2413 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
2414 | struct zebra_evpn_es *es; | |
325d694b | 2415 | |
325d694b AK |
2416 | if (old_es && !memcmp(&old_es->esi, esi, sizeof(*esi))) |
2417 | /* dup - nothing to be done */ | |
2418 | return 0; | |
2419 | ||
2420 | /* release the old_es against the zif */ | |
2421 | if (old_es) | |
2422 | zebra_evpn_local_es_del(&old_es); | |
2423 | ||
2424 | es = zebra_evpn_es_find(esi); | |
2425 | if (es) { | |
2426 | /* if it exists against another interface flag an error */ | |
0dfc0dd9 | 2427 | if (es->zif && es->zif != zif) |
325d694b | 2428 | return -1; |
325d694b AK |
2429 | } else { |
2430 | /* create new es */ | |
2431 | es = zebra_evpn_es_new(esi); | |
2432 | } | |
2433 | ||
0dfc0dd9 | 2434 | memcpy(&zif->es_info.esi, esi, sizeof(*esi)); |
325d694b AK |
2435 | if (es) |
2436 | zebra_evpn_es_local_info_set(es, zif); | |
2437 | ||
2438 | return 0; | |
2439 | } | |
2440 | ||
2441 | static int zebra_evpn_type3_esi_update(struct zebra_if *zif, uint32_t lid, | |
2442 | struct ethaddr *sysmac) | |
2443 | { | |
2444 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
ce5160c0 AK |
2445 | esi_t esi; |
2446 | int offset = 0; | |
2447 | int field_bytes = 0; | |
2448 | ||
2449 | /* Complete config of the ES-ID bootstraps the ES */ | |
2450 | if (!lid || is_zero_mac(sysmac)) { | |
325d694b AK |
2451 | /* clear old esi */ |
2452 | memset(&zif->es_info.esi, 0, sizeof(zif->es_info.esi)); | |
ce5160c0 AK |
2453 | /* if in ES is attached to zif delete it */ |
2454 | if (old_es) | |
ab06b033 | 2455 | zebra_evpn_local_es_del(&old_es); |
ce5160c0 AK |
2456 | return 0; |
2457 | } | |
2458 | ||
2459 | /* build 10-byte type-3-ESI - | |
2460 | * Type(1-byte), MAC(6-bytes), ES-LID (3-bytes) | |
2461 | */ | |
2462 | field_bytes = 1; | |
2463 | esi.val[offset] = ESI_TYPE_MAC; | |
2464 | offset += field_bytes; | |
2465 | ||
2466 | field_bytes = ETH_ALEN; | |
2467 | memcpy(&esi.val[offset], (uint8_t *)sysmac, field_bytes); | |
2468 | offset += field_bytes; | |
2469 | ||
2470 | esi.val[offset++] = (uint8_t)(lid >> 16); | |
2471 | esi.val[offset++] = (uint8_t)(lid >> 8); | |
2472 | esi.val[offset++] = (uint8_t)lid; | |
2473 | ||
325d694b | 2474 | return zebra_evpn_local_es_update(zif, &esi); |
ce5160c0 AK |
2475 | } |
2476 | ||
32367e7a | 2477 | int zebra_evpn_remote_es_del(const esi_t *esi, struct in_addr vtep_ip) |
ce5160c0 AK |
2478 | { |
2479 | char buf[ESI_STR_LEN]; | |
2480 | struct zebra_evpn_es *es; | |
2481 | ||
2482 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
2483 | zlog_debug("remote es %s vtep %pI4 del", |
2484 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2485 | |
2486 | es = zebra_evpn_es_find(esi); | |
2487 | if (!es) { | |
4d8b658c | 2488 | zlog_warn("remote es %s vtep %pI4 del failed, es missing", |
e378f502 | 2489 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); |
ce5160c0 AK |
2490 | return -1; |
2491 | } | |
2492 | ||
2493 | zebra_evpn_es_vtep_del(es, vtep_ip); | |
e378f502 | 2494 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2495 | |
2496 | return 0; | |
2497 | } | |
2498 | ||
2499 | /* force delete a remote ES on the way down */ | |
e378f502 | 2500 | static void zebra_evpn_remote_es_flush(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2501 | { |
2502 | struct zebra_evpn_es_vtep *es_vtep; | |
2503 | struct listnode *node; | |
2504 | struct listnode *nnode; | |
e378f502 | 2505 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2506 | |
2507 | for (ALL_LIST_ELEMENTS(es->es_vtep_list, node, nnode, es_vtep)) { | |
2508 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 | 2509 | zlog_debug("es %s vtep %pI4 flush", |
ce5160c0 | 2510 | es->esi_str, |
9bcef951 | 2511 | &es_vtep->vtep_ip); |
ce5160c0 | 2512 | zebra_evpn_es_vtep_free(es_vtep); |
ce5160c0 | 2513 | } |
e378f502 | 2514 | zebra_evpn_es_remote_info_re_eval(esp); |
ce5160c0 AK |
2515 | } |
2516 | ||
32367e7a MS |
2517 | int zebra_evpn_remote_es_add(const esi_t *esi, struct in_addr vtep_ip, |
2518 | bool esr_rxed, uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
2519 | { |
2520 | char buf[ESI_STR_LEN]; | |
2521 | struct zebra_evpn_es *es; | |
2522 | ||
2523 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1103c5c6 AK |
2524 | zlog_debug("remote es %s vtep %pI4 add %s df_alg %d df_pref %d", |
2525 | esi_to_str(esi, buf, sizeof(buf)), | |
2526 | &vtep_ip, esr_rxed ? "esr" : "", df_alg, | |
2527 | df_pref); | |
ce5160c0 AK |
2528 | |
2529 | es = zebra_evpn_es_find(esi); | |
2530 | if (!es) { | |
2531 | es = zebra_evpn_es_new(esi); | |
2532 | if (!es) { | |
e378f502 AK |
2533 | zlog_warn( |
2534 | "remote es %s vtep %pI4 add failed, es missing", | |
2535 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2536 | return -1; |
2537 | } | |
2538 | } | |
2539 | ||
28e80a03 | 2540 | if (df_alg != EVPN_MH_DF_ALG_PREF) |
2747f6f7 AK |
2541 | zlog_warn( |
2542 | "remote es %s vtep %pI4 add %s with unsupported df_alg %d", | |
2543 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip, | |
2544 | esr_rxed ? "esr" : "", df_alg); | |
28e80a03 | 2545 | |
1103c5c6 | 2546 | zebra_evpn_es_vtep_add(es, vtep_ip, esr_rxed, df_alg, df_pref); |
e378f502 | 2547 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2548 | |
2549 | return 0; | |
2550 | } | |
2551 | ||
2552 | void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS) | |
2553 | { | |
2554 | struct stream *s; | |
2555 | struct in_addr vtep_ip; | |
2556 | esi_t esi; | |
2557 | ||
2558 | if (!is_evpn_enabled()) { | |
2559 | zlog_debug( | |
7d7be47e DS |
2560 | "%s: EVPN not enabled yet we received a es_add zapi call", |
2561 | __func__); | |
ce5160c0 AK |
2562 | return; |
2563 | } | |
2564 | ||
2565 | memset(&esi, 0, sizeof(esi_t)); | |
2566 | s = msg; | |
2567 | ||
693fc882 QY |
2568 | STREAM_GET(&esi, s, sizeof(esi_t)); |
2569 | STREAM_GET(&vtep_ip.s_addr, s, sizeof(vtep_ip.s_addr)); | |
ce5160c0 | 2570 | |
1103c5c6 AK |
2571 | if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) { |
2572 | uint32_t zapi_flags; | |
2573 | uint8_t df_alg; | |
2574 | uint16_t df_pref; | |
2575 | bool esr_rxed; | |
2576 | ||
693fc882 | 2577 | STREAM_GETL(s, zapi_flags); |
1103c5c6 AK |
2578 | esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true |
2579 | : false; | |
693fc882 QY |
2580 | STREAM_GETC(s, df_alg); |
2581 | STREAM_GETW(s, df_pref); | |
7f7e49d1 MS |
2582 | zebra_rib_queue_evpn_rem_es_add(&esi, &vtep_ip, esr_rxed, |
2583 | df_alg, df_pref); | |
1103c5c6 | 2584 | } else { |
32367e7a | 2585 | zebra_rib_queue_evpn_rem_es_del(&esi, &vtep_ip); |
1103c5c6 | 2586 | } |
693fc882 QY |
2587 | |
2588 | stream_failure: | |
2589 | return; | |
ce5160c0 AK |
2590 | } |
2591 | ||
3198b2b3 | 2592 | void zebra_evpn_es_mac_deref_entry(struct zebra_mac *mac) |
ce5160c0 AK |
2593 | { |
2594 | struct zebra_evpn_es *es = mac->es; | |
2595 | ||
2596 | mac->es = NULL; | |
b169fd6f | 2597 | if (!es) |
ce5160c0 AK |
2598 | return; |
2599 | ||
b169fd6f AK |
2600 | list_delete_node(es->mac_list, &mac->es_listnode); |
2601 | if (!listcount(es->mac_list)) | |
e378f502 | 2602 | zebra_evpn_es_free(&es); |
ce5160c0 AK |
2603 | } |
2604 | ||
2605 | /* Associate a MAC entry with a local or remote ES. Returns false if there | |
2606 | * was no ES change. | |
2607 | */ | |
3198b2b3 DS |
2608 | bool zebra_evpn_es_mac_ref_entry(struct zebra_mac *mac, |
2609 | struct zebra_evpn_es *es) | |
ce5160c0 AK |
2610 | { |
2611 | if (mac->es == es) | |
2612 | return false; | |
2613 | ||
2614 | if (mac->es) | |
2615 | zebra_evpn_es_mac_deref_entry(mac); | |
2616 | ||
2617 | if (!es) | |
2618 | return true; | |
2619 | ||
2620 | mac->es = es; | |
b169fd6f AK |
2621 | listnode_init(&mac->es_listnode, mac); |
2622 | listnode_add(es->mac_list, &mac->es_listnode); | |
2623 | ||
ce5160c0 AK |
2624 | return true; |
2625 | } | |
2626 | ||
3198b2b3 | 2627 | bool zebra_evpn_es_mac_ref(struct zebra_mac *mac, const esi_t *esi) |
ce5160c0 AK |
2628 | { |
2629 | struct zebra_evpn_es *es; | |
2630 | ||
2631 | es = zebra_evpn_es_find(esi); | |
2632 | if (!es) { | |
4cd94050 AK |
2633 | /* If non-zero esi implicitly create a new ES */ |
2634 | if (memcmp(esi, zero_esi, sizeof(esi_t))) { | |
2635 | es = zebra_evpn_es_new(esi); | |
2636 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2637 | zlog_debug("auto es %s add on mac ref", | |
2638 | es->esi_str); | |
2639 | } | |
ce5160c0 AK |
2640 | } |
2641 | ||
b169fd6f | 2642 | return zebra_evpn_es_mac_ref_entry(mac, es); |
ce5160c0 AK |
2643 | } |
2644 | ||
2645 | /* Inform BGP about local ES-EVI add or del */ | |
2646 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, | |
f6371c34 | 2647 | struct zebra_evpn *zevpn, bool add) |
ce5160c0 AK |
2648 | { |
2649 | struct zserv *client; | |
2650 | struct stream *s; | |
2651 | ||
2652 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
2653 | /* BGP may not be running. */ | |
2654 | if (!client) | |
2655 | return 0; | |
2656 | ||
2657 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2658 | ||
2659 | zclient_create_header(s, | |
2660 | add ? ZEBRA_LOCAL_ES_EVI_ADD : ZEBRA_LOCAL_ES_EVI_DEL, | |
2661 | zebra_vrf_get_evpn_id()); | |
2662 | stream_put(s, &es->esi, sizeof(esi_t)); | |
87d76d54 | 2663 | stream_putl(s, zevpn->vni); |
ce5160c0 AK |
2664 | |
2665 | /* Write packet size. */ | |
2666 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2667 | ||
2668 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2669 | zlog_debug("send %s local es %s evi %u to %s", | |
2670 | add ? "add" : "del", | |
87d76d54 | 2671 | es->esi_str, zevpn->vni, |
ce5160c0 AK |
2672 | zebra_route_string(client->proto)); |
2673 | ||
2674 | client->local_es_add_cnt++; | |
2675 | return zserv_send_message(client, s); | |
2676 | } | |
2677 | ||
2678 | /* sysmac part of a local ESI has changed */ | |
2679 | static int zebra_evpn_es_sys_mac_update(struct zebra_if *zif, | |
2680 | struct ethaddr *sysmac) | |
2681 | { | |
2682 | int rv; | |
2683 | ||
325d694b | 2684 | rv = zebra_evpn_type3_esi_update(zif, zif->es_info.lid, sysmac); |
ce5160c0 AK |
2685 | if (!rv) |
2686 | memcpy(&zif->es_info.sysmac, sysmac, sizeof(struct ethaddr)); | |
2687 | ||
2688 | return rv; | |
2689 | } | |
2690 | ||
2691 | /* local-ID part of ESI has changed */ | |
2692 | static int zebra_evpn_es_lid_update(struct zebra_if *zif, uint32_t lid) | |
2693 | { | |
2694 | int rv; | |
2695 | ||
325d694b | 2696 | rv = zebra_evpn_type3_esi_update(zif, lid, &zif->es_info.sysmac); |
ce5160c0 AK |
2697 | if (!rv) |
2698 | zif->es_info.lid = lid; | |
2699 | ||
2700 | return rv; | |
2701 | } | |
2702 | ||
325d694b AK |
2703 | /* type-0 esi has changed */ |
2704 | static int zebra_evpn_es_type0_esi_update(struct zebra_if *zif, esi_t *esi) | |
2705 | { | |
2706 | int rv; | |
2707 | ||
2708 | rv = zebra_evpn_local_es_update(zif, esi); | |
2709 | ||
2710 | /* clear the old es_lid, es_sysmac - type-0 is being set so old | |
2711 | * type-3 params need to be flushed | |
2712 | */ | |
2713 | memset(&zif->es_info.sysmac, 0, sizeof(struct ethaddr)); | |
2714 | zif->es_info.lid = 0; | |
2715 | ||
2716 | return rv; | |
2717 | } | |
2718 | ||
ce5160c0 AK |
2719 | void zebra_evpn_es_cleanup(void) |
2720 | { | |
2721 | struct zebra_evpn_es *es; | |
2722 | struct zebra_evpn_es *es_next; | |
2723 | ||
2724 | RB_FOREACH_SAFE(es, zebra_es_rb_head, | |
2725 | &zmh_info->es_rb_tree, es_next) { | |
e378f502 AK |
2726 | zebra_evpn_local_es_del(&es); |
2727 | if (es) | |
2728 | zebra_evpn_remote_es_flush(&es); | |
ce5160c0 AK |
2729 | } |
2730 | } | |
2731 | ||
1103c5c6 AK |
2732 | static void zebra_evpn_es_df_pref_update(struct zebra_if *zif, uint16_t df_pref) |
2733 | { | |
2734 | struct zebra_evpn_es *es; | |
2735 | uint16_t tmp_pref; | |
2736 | ||
2737 | if (zif->es_info.df_pref == df_pref) | |
2738 | return; | |
2739 | ||
2740 | zif->es_info.df_pref = df_pref; | |
2741 | es = zif->es_info.es; | |
2742 | ||
2743 | if (!es) | |
2744 | return; | |
2745 | ||
2746 | tmp_pref = zif->es_info.df_pref ? zif->es_info.df_pref | |
2747 | : EVPN_MH_DF_PREF_DEFAULT; | |
2748 | ||
2749 | if (es->df_pref == tmp_pref) | |
2750 | return; | |
2751 | ||
2752 | es->df_pref = tmp_pref; | |
2753 | /* run df election */ | |
2754 | zebra_evpn_es_run_df_election(es, __func__); | |
2755 | /* notify bgp */ | |
2756 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2757 | zebra_evpn_es_send_add_to_client(es); | |
2758 | } | |
2759 | ||
00a7710c AK |
2760 | /* If bypass mode on an es changed we set all local macs to |
2761 | * inactive and drop the sync info | |
2762 | */ | |
2763 | static void zebra_evpn_es_bypass_update_macs(struct zebra_evpn_es *es, | |
2764 | struct interface *ifp, bool bypass) | |
2765 | { | |
3198b2b3 | 2766 | struct zebra_mac *mac; |
00a7710c AK |
2767 | struct listnode *node; |
2768 | struct listnode *nnode; | |
fd40906b | 2769 | struct zebra_if *zif; |
00a7710c AK |
2770 | |
2771 | /* Flush all MACs linked to the ES */ | |
2772 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { | |
2773 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2774 | continue; | |
2775 | ||
2776 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2777 | zlog_debug("VNI %u mac %pEA %s update es %s", | |
2778 | mac->zevpn->vni, | |
2779 | &mac->macaddr, | |
2780 | bypass ? "bypass" : "non-bypass", | |
2781 | es->esi_str); | |
2782 | zebra_evpn_flush_local_mac(mac, ifp); | |
2783 | } | |
fd40906b AK |
2784 | |
2785 | /* While in bypass-mode locally learnt MACs are linked | |
2786 | * to the access port instead of the ES | |
2787 | */ | |
2788 | zif = ifp->info; | |
2789 | if (!zif->mac_list) | |
2790 | return; | |
2791 | ||
2792 | for (ALL_LIST_ELEMENTS(zif->mac_list, node, nnode, mac)) { | |
2793 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2794 | continue; | |
2795 | ||
2796 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2797 | zlog_debug("VNI %u mac %pEA %s update ifp %s", | |
2798 | mac->zevpn->vni, | |
2799 | &mac->macaddr, | |
2800 | bypass ? "bypass" : "non-bypass", ifp->name); | |
2801 | zebra_evpn_flush_local_mac(mac, ifp); | |
2802 | } | |
00a7710c AK |
2803 | } |
2804 | ||
2805 | void zebra_evpn_es_bypass_update(struct zebra_evpn_es *es, | |
2806 | struct interface *ifp, bool bypass) | |
2807 | { | |
2808 | bool old_bypass; | |
2809 | bool dplane_updated; | |
2810 | ||
2811 | old_bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); | |
2812 | if (old_bypass == bypass) | |
2813 | return; | |
2814 | ||
2815 | if (bypass) | |
2816 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2817 | else | |
2818 | es->flags &= ~ZEBRA_EVPNES_BYPASS; | |
2819 | ||
2820 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2821 | zlog_debug("bond %s es %s lacp bypass changed to %s", ifp->name, | |
2822 | es->esi_str, bypass ? "on" : "off"); | |
2823 | ||
2824 | /* send bypass update to BGP */ | |
2825 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2826 | zebra_evpn_es_send_add_to_client(es); | |
2827 | ||
2828 | zebra_evpn_es_bypass_update_macs(es, ifp, bypass); | |
2829 | ||
2830 | /* re-run DF election */ | |
2831 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
2832 | ||
2833 | /* disable SPH filter */ | |
2834 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL) | |
2835 | && (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT)) | |
2836 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2837 | } | |
2838 | ||
2839 | static void zebra_evpn_es_bypass_cfg_update(struct zebra_if *zif, bool bypass) | |
2840 | { | |
2841 | bool old_bypass = !!(zif->es_info.flags & ZIF_CFG_ES_FLAG_BYPASS); | |
2842 | ||
2843 | if (old_bypass == bypass) | |
2844 | return; | |
2845 | ||
2846 | if (bypass) | |
2847 | zif->es_info.flags |= ZIF_CFG_ES_FLAG_BYPASS; | |
2848 | else | |
2849 | zif->es_info.flags &= ~ZIF_CFG_ES_FLAG_BYPASS; | |
2850 | ||
2851 | ||
2852 | if (zif->es_info.es) | |
2853 | zebra_evpn_es_bypass_update(zif->es_info.es, zif->ifp, bypass); | |
2854 | } | |
2855 | ||
1103c5c6 | 2856 | |
ce5160c0 AK |
2857 | /* Only certain types of access ports can be setup as an Ethernet Segment */ |
2858 | bool zebra_evpn_is_if_es_capable(struct zebra_if *zif) | |
2859 | { | |
2860 | if (zif->zif_type == ZEBRA_IF_BOND) | |
2861 | return true; | |
2862 | ||
3fa177ee AK |
2863 | /* relax the checks to allow config to be applied in zebra |
2864 | * before interface is rxed from the kernel | |
2865 | */ | |
2866 | if (zif->ifp->ifindex == IFINDEX_INTERNAL) | |
2867 | return true; | |
2868 | ||
ce5160c0 AK |
2869 | /* XXX: allow swpX i.e. a regular ethernet port to be an ES link too */ |
2870 | return false; | |
2871 | } | |
2872 | ||
c15dc24f RW |
2873 | void zebra_evpn_if_es_print(struct vty *vty, json_object *json, |
2874 | struct zebra_if *zif) | |
ce5160c0 AK |
2875 | { |
2876 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b | 2877 | char esi_buf[ESI_STR_LEN]; |
c36e442c | 2878 | |
c15dc24f RW |
2879 | if (json) { |
2880 | json_object *json_evpn; | |
2881 | ||
2882 | json_evpn = json_object_new_object(); | |
2883 | json_object_object_add(json, "evpnMh", json_evpn); | |
2884 | ||
2885 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2886 | json_object_int_add(json_evpn, "esId", | |
2887 | zif->es_info.lid); | |
2888 | json_object_string_add( | |
2889 | json_evpn, "esSysmac", | |
2890 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2891 | sizeof(buf))); | |
2892 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2893 | sizeof(*zero_esi))) { | |
2894 | json_object_string_add(json_evpn, "esId", | |
2895 | esi_to_str(&zif->es_info.esi, | |
2896 | esi_buf, | |
2897 | sizeof(esi_buf))); | |
2898 | } | |
2899 | ||
2900 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
2901 | json_object_string_add( | |
2902 | json_evpn, "uplink", | |
2903 | CHECK_FLAG(zif->flags, | |
2904 | ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2905 | ? "up" | |
2906 | : "down"); | |
2907 | } else { | |
2908 | char mh_buf[80]; | |
2909 | bool vty_print = false; | |
2910 | ||
2911 | mh_buf[0] = '\0'; | |
2912 | strlcat(mh_buf, " EVPN-MH:", sizeof(mh_buf)); | |
2913 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2914 | vty_print = true; | |
2915 | snprintf(mh_buf + strlen(mh_buf), | |
2916 | sizeof(mh_buf) - strlen(mh_buf), | |
2917 | " ES id %u ES sysmac %s", zif->es_info.lid, | |
2918 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2919 | sizeof(buf))); | |
2920 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2921 | sizeof(*zero_esi))) { | |
2922 | vty_print = true; | |
2923 | snprintf(mh_buf + strnlen(mh_buf, sizeof(mh_buf)), | |
2924 | sizeof(mh_buf) | |
2925 | - strnlen(mh_buf, sizeof(mh_buf)), | |
2926 | " ES id %s", | |
2927 | esi_to_str(&zif->es_info.esi, esi_buf, | |
2928 | sizeof(esi_buf))); | |
2929 | } | |
ce5160c0 | 2930 | |
c15dc24f RW |
2931 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) { |
2932 | vty_print = true; | |
2933 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2934 | strlcat(mh_buf, " uplink (up)", sizeof(mh_buf)); | |
2935 | else | |
2936 | strlcat(mh_buf, " uplink (down)", | |
2937 | sizeof(mh_buf)); | |
2938 | } | |
2939 | ||
2940 | if (vty_print) | |
2941 | vty_out(vty, "%s\n", mh_buf); | |
2942 | } | |
ce5160c0 AK |
2943 | } |
2944 | ||
1a4f9efd AK |
2945 | static void zebra_evpn_local_mac_oper_state_change(struct zebra_evpn_es *es) |
2946 | { | |
3198b2b3 | 2947 | struct zebra_mac *mac; |
1a4f9efd AK |
2948 | struct listnode *node; |
2949 | ||
2950 | /* If fast-failover is supported by the dataplane via the use | |
2951 | * of an ES backup NHG there is nothing to be done in the | |
2952 | * control plane | |
2953 | */ | |
2954 | if (!(zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF)) | |
2955 | return; | |
2956 | ||
2957 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2958 | zlog_debug("mac slow-fail on es %s %s ", es->esi_str, | |
2959 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" : "down"); | |
2960 | ||
2961 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
2962 | if (!(mac->flags & ZEBRA_MAC_LOCAL) | |
2963 | || !zebra_evpn_mac_is_static(mac)) | |
2964 | continue; | |
2965 | ||
2966 | if (es->flags & ZEBRA_EVPNES_OPER_UP) { | |
2967 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2968 | zlog_debug( | |
2969 | "VNI %u mac %pEA move to acc %s es %s %s ", | |
2970 | mac->zevpn->vni, | |
2971 | &mac->macaddr, | |
2972 | es->zif->ifp->name, es->esi_str, | |
2973 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2974 | ? "up" | |
2975 | : "down"); | |
2976 | /* switch the local macs to access port */ | |
2977 | if (zebra_evpn_sync_mac_dp_install( | |
2978 | mac, false /*set_inactive*/, | |
2979 | false /*force_clear_static*/, __func__) | |
2980 | < 0) | |
2981 | /* if the local mac install fails get rid of the | |
2982 | * old rem entry | |
2983 | */ | |
2984 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
2985 | true /*force*/); | |
2986 | } else { | |
2987 | /* switch the local macs to network port. if there | |
2988 | * is no active NHG we don't bother deleting the MAC; | |
2989 | * that is left up to the dataplane to handle. | |
2990 | */ | |
2991 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
2992 | continue; | |
2993 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2994 | zlog_debug( | |
2995 | "VNI %u mac %pEA move to nhg %u es %s %s ", | |
2996 | mac->zevpn->vni, | |
2997 | &mac->macaddr, | |
2998 | es->nhg_id, es->esi_str, | |
2999 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
3000 | ? "up" | |
3001 | : "down"); | |
3002 | zebra_evpn_rem_mac_install(mac->zevpn, mac, | |
3003 | true /*was_static*/); | |
3004 | } | |
3005 | } | |
3006 | } | |
3007 | ||
ce5160c0 AK |
3008 | void zebra_evpn_es_if_oper_state_change(struct zebra_if *zif, bool up) |
3009 | { | |
3010 | struct zebra_evpn_es *es = zif->es_info.es; | |
3011 | bool old_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
3012 | ||
3013 | if (old_up == up) | |
3014 | return; | |
3015 | ||
3016 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3017 | zlog_debug("es %s state changed to %s ", | |
3018 | es->esi_str, | |
3019 | up ? "up" : "down"); | |
3020 | if (up) | |
3021 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
3022 | else | |
3023 | es->flags &= ~ZEBRA_EVPNES_OPER_UP; | |
3024 | ||
1103c5c6 | 3025 | zebra_evpn_es_run_df_election(es, __func__); |
15400f95 | 3026 | zebra_evpn_local_mac_oper_state_change(es); |
1103c5c6 | 3027 | |
ce5160c0 AK |
3028 | /* inform BGP of the ES oper state change */ |
3029 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
3030 | zebra_evpn_es_send_add_to_client(es); | |
3031 | } | |
3032 | ||
9e0c2fd1 AK |
3033 | static char *zebra_evpn_es_vtep_str(char *vtep_str, struct zebra_evpn_es *es, |
3034 | uint8_t vtep_str_size) | |
ce5160c0 AK |
3035 | { |
3036 | struct zebra_evpn_es_vtep *zvtep; | |
3037 | struct listnode *node; | |
3038 | bool first = true; | |
2747f6f7 | 3039 | char ip_buf[INET6_ADDRSTRLEN]; |
ce5160c0 AK |
3040 | |
3041 | vtep_str[0] = '\0'; | |
3042 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, zvtep)) { | |
3043 | if (first) { | |
3044 | first = false; | |
2747f6f7 AK |
3045 | strlcat(vtep_str, |
3046 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
3047 | sizeof(ip_buf)), | |
9e0c2fd1 | 3048 | vtep_str_size); |
ce5160c0 | 3049 | } else { |
9e0c2fd1 | 3050 | strlcat(vtep_str, ",", vtep_str_size); |
2747f6f7 AK |
3051 | strlcat(vtep_str, |
3052 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
3053 | sizeof(ip_buf)), | |
9e0c2fd1 | 3054 | vtep_str_size); |
ce5160c0 AK |
3055 | } |
3056 | } | |
3057 | return vtep_str; | |
3058 | } | |
3059 | ||
acffa256 AK |
3060 | static void zebra_evpn_es_json_vtep_fill(struct zebra_evpn_es *es, |
3061 | json_object *json_vteps) | |
3062 | { | |
3063 | struct zebra_evpn_es_vtep *es_vtep; | |
3064 | struct listnode *node; | |
3065 | json_object *json_vtep_entry; | |
3066 | char alg_buf[EVPN_DF_ALG_STR_LEN]; | |
3067 | ||
3068 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
3069 | json_vtep_entry = json_object_new_object(); | |
08edf9c6 DA |
3070 | json_object_string_addf(json_vtep_entry, "vtep", "%pI4", |
3071 | &es_vtep->vtep_ip); | |
acffa256 AK |
3072 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
3073 | json_object_string_add( | |
3074 | json_vtep_entry, "dfAlgorithm", | |
3075 | evpn_es_df_alg2str(es_vtep->df_alg, alg_buf, | |
3076 | sizeof(alg_buf))); | |
3077 | json_object_int_add(json_vtep_entry, "dfPreference", | |
3078 | es_vtep->df_pref); | |
3079 | } | |
5de10c37 AK |
3080 | if (es_vtep->nh) |
3081 | json_object_int_add(json_vtep_entry, "nexthopId", | |
3082 | es_vtep->nh->nh_id); | |
acffa256 AK |
3083 | json_object_array_add(json_vteps, json_vtep_entry); |
3084 | } | |
3085 | } | |
3086 | ||
3087 | static void zebra_evpn_es_show_entry(struct vty *vty, struct zebra_evpn_es *es, | |
3088 | json_object *json_array) | |
ce5160c0 | 3089 | { |
00a7710c | 3090 | char type_str[5]; |
ce5160c0 AK |
3091 | char vtep_str[ES_VTEP_LIST_STR_SZ]; |
3092 | ||
acffa256 AK |
3093 | if (json_array) { |
3094 | json_object *json = NULL; | |
3095 | json_object *json_vteps; | |
3096 | json_object *json_flags; | |
3097 | ||
3098 | json = json_object_new_object(); | |
3099 | json_object_string_add(json, "esi", es->esi_str); | |
3100 | ||
3101 | if (es->flags | |
3102 | & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE | |
3103 | | ZEBRA_EVPNES_NON_DF)) { | |
3104 | json_flags = json_object_new_array(); | |
3105 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3106 | json_array_string_add(json_flags, "local"); | |
3107 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3108 | json_array_string_add(json_flags, "remote"); | |
3109 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3110 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3111 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3112 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3113 | json_object_object_add(json, "flags", json_flags); |
3114 | } | |
3115 | ||
3116 | if (es->zif) | |
3117 | json_object_string_add(json, "accessPort", | |
3118 | es->zif->ifp->name); | |
3119 | ||
3120 | if (listcount(es->es_vtep_list)) { | |
3121 | json_vteps = json_object_new_array(); | |
3122 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3123 | json_object_object_add(json, "vteps", json_vteps); | |
3124 | } | |
3125 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
3126 | } else { |
3127 | type_str[0] = '\0'; | |
3128 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3129 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 | 3130 | if (es->flags & ZEBRA_EVPNES_REMOTE) |
9e0c2fd1 | 3131 | strlcat(type_str, "R", sizeof(type_str)); |
1103c5c6 AK |
3132 | if (es->flags & ZEBRA_EVPNES_NON_DF) |
3133 | strlcat(type_str, "N", sizeof(type_str)); | |
00a7710c AK |
3134 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3135 | strlcat(type_str, "B", sizeof(type_str)); | |
ce5160c0 | 3136 | |
9e0c2fd1 | 3137 | zebra_evpn_es_vtep_str(vtep_str, es, sizeof(vtep_str)); |
ce5160c0 AK |
3138 | |
3139 | vty_out(vty, "%-30s %-4s %-21s %s\n", | |
3140 | es->esi_str, type_str, | |
3141 | es->zif ? es->zif->ifp->name : "-", | |
3142 | vtep_str); | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | static void zebra_evpn_es_show_entry_detail(struct vty *vty, | |
3147 | struct zebra_evpn_es *es, json_object *json) | |
3148 | { | |
3149 | char type_str[80]; | |
1103c5c6 AK |
3150 | char alg_buf[EVPN_DF_ALG_STR_LEN]; |
3151 | struct zebra_evpn_es_vtep *es_vtep; | |
ce5160c0 | 3152 | struct listnode *node; |
35f5c31b | 3153 | char thread_buf[THREAD_TIMER_STRLEN]; |
ce5160c0 AK |
3154 | |
3155 | if (json) { | |
acffa256 AK |
3156 | json_object *json_vteps; |
3157 | json_object *json_flags; | |
3158 | ||
3159 | json_object_string_add(json, "esi", es->esi_str); | |
3160 | if (es->zif) | |
3161 | json_object_string_add(json, "accessPort", | |
3162 | es->zif->ifp->name); | |
3163 | ||
3164 | ||
3165 | if (es->flags) { | |
3166 | json_flags = json_object_new_array(); | |
3167 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3168 | json_array_string_add(json_flags, "local"); | |
3169 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3170 | json_array_string_add(json_flags, "remote"); | |
3171 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3172 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3173 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3174 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3175 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3176 | json_array_string_add(json_flags, | |
3177 | "readyForBgp"); | |
3178 | if (es->flags & ZEBRA_EVPNES_BR_PORT) | |
3179 | json_array_string_add(json_flags, "bridgePort"); | |
3180 | if (es->flags & ZEBRA_EVPNES_OPER_UP) | |
3181 | json_array_string_add(json_flags, "operUp"); | |
3182 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
3183 | json_array_string_add(json_flags, | |
3184 | "nexthopGroupActive"); | |
3185 | json_object_object_add(json, "flags", json_flags); | |
3186 | } | |
3187 | ||
3188 | json_object_int_add(json, "vniCount", | |
3189 | listcount(es->es_evi_list)); | |
3190 | json_object_int_add(json, "macCount", listcount(es->mac_list)); | |
3191 | json_object_int_add(json, "dfPreference", es->df_pref); | |
35f5c31b AK |
3192 | if (es->df_delay_timer) |
3193 | json_object_string_add( | |
3194 | json, "dfDelayTimer", | |
3195 | thread_timer_to_hhmmss(thread_buf, | |
3196 | sizeof(thread_buf), | |
3197 | es->df_delay_timer)); | |
acffa256 AK |
3198 | json_object_int_add(json, "nexthopGroup", es->nhg_id); |
3199 | if (listcount(es->es_vtep_list)) { | |
3200 | json_vteps = json_object_new_array(); | |
3201 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3202 | json_object_object_add(json, "vteps", json_vteps); | |
3203 | } | |
ce5160c0 AK |
3204 | } else { |
3205 | type_str[0] = '\0'; | |
3206 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3207 | strlcat(type_str, "Local", sizeof(type_str)); |
ce5160c0 | 3208 | if (es->flags & ZEBRA_EVPNES_REMOTE) { |
9e0c2fd1 AK |
3209 | if (strnlen(type_str, sizeof(type_str))) |
3210 | strlcat(type_str, ",", sizeof(type_str)); | |
3211 | strlcat(type_str, "Remote", sizeof(type_str)); | |
ce5160c0 AK |
3212 | } |
3213 | ||
3214 | vty_out(vty, "ESI: %s\n", es->esi_str); | |
3215 | vty_out(vty, " Type: %s\n", type_str); | |
3216 | vty_out(vty, " Interface: %s\n", | |
3217 | (es->zif) ? | |
3218 | es->zif->ifp->name : "-"); | |
72f2674a AK |
3219 | if (es->flags & ZEBRA_EVPNES_LOCAL) { |
3220 | vty_out(vty, " State: %s\n", | |
3221 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" | |
3222 | : "down"); | |
3223 | vty_out(vty, " Bridge port: %s\n", | |
3224 | (es->flags & ZEBRA_EVPNES_BR_PORT) ? "yes" | |
3225 | : "no"); | |
3226 | } | |
ce5160c0 AK |
3227 | vty_out(vty, " Ready for BGP: %s\n", |
3228 | (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) ? | |
3229 | "yes" : "no"); | |
00a7710c AK |
3230 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3231 | vty_out(vty, " LACP bypass: on\n"); | |
ce5160c0 | 3232 | vty_out(vty, " VNI Count: %d\n", listcount(es->es_evi_list)); |
b169fd6f | 3233 | vty_out(vty, " MAC Count: %d\n", listcount(es->mac_list)); |
35f5c31b AK |
3234 | if (es->flags & ZEBRA_EVPNES_LOCAL) |
3235 | vty_out(vty, " DF status: %s \n", | |
3236 | (es->flags & ZEBRA_EVPNES_NON_DF) ? "non-df" | |
3237 | : "df"); | |
3238 | if (es->df_delay_timer) | |
3239 | vty_out(vty, " DF delay: %s\n", | |
3240 | thread_timer_to_hhmmss(thread_buf, | |
3241 | sizeof(thread_buf), | |
3242 | es->df_delay_timer)); | |
3243 | vty_out(vty, " DF preference: %u\n", es->df_pref); | |
dfa3d3d7 | 3244 | vty_out(vty, " Nexthop group: %u\n", es->nhg_id); |
ce5160c0 | 3245 | vty_out(vty, " VTEPs:\n"); |
1103c5c6 AK |
3246 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { |
3247 | vty_out(vty, " %pI4", | |
3248 | &es_vtep->vtep_ip); | |
3249 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) | |
3250 | vty_out(vty, " df_alg: %s df_pref: %d", | |
3251 | evpn_es_df_alg2str(es_vtep->df_alg, | |
3252 | alg_buf, | |
3253 | sizeof(alg_buf)), | |
3254 | es_vtep->df_pref); | |
5de10c37 AK |
3255 | vty_out(vty, " nh: %u\n", |
3256 | es_vtep->nh ? es_vtep->nh->nh_id : 0); | |
1103c5c6 | 3257 | } |
ce5160c0 AK |
3258 | |
3259 | vty_out(vty, "\n"); | |
3260 | } | |
3261 | } | |
3262 | ||
3263 | void zebra_evpn_es_show(struct vty *vty, bool uj) | |
3264 | { | |
3265 | struct zebra_evpn_es *es; | |
acffa256 | 3266 | json_object *json_array = NULL; |
ce5160c0 AK |
3267 | |
3268 | if (uj) { | |
acffa256 | 3269 | json_array = json_object_new_array(); |
ce5160c0 | 3270 | } else { |
00a7710c | 3271 | vty_out(vty, "Type: B bypass, L local, R remote, N non-DF\n"); |
ce5160c0 AK |
3272 | vty_out(vty, "%-30s %-4s %-21s %s\n", |
3273 | "ESI", "Type", "ES-IF", "VTEPs"); | |
3274 | } | |
3275 | ||
3276 | RB_FOREACH(es, zebra_es_rb_head, &zmh_info->es_rb_tree) | |
acffa256 AK |
3277 | zebra_evpn_es_show_entry(vty, es, json_array); |
3278 | ||
c48349e3 | 3279 | if (uj) |
962af8a8 | 3280 | vty_json(vty, json_array); |
ce5160c0 AK |
3281 | } |
3282 | ||
3283 | void zebra_evpn_es_show_detail(struct vty *vty, bool uj) | |
3284 | { | |
3285 | struct zebra_evpn_es *es; | |
acffa256 | 3286 | json_object *json_array = NULL; |
ce5160c0 | 3287 | |
acffa256 AK |
3288 | if (uj) |
3289 | json_array = json_object_new_array(); | |
3290 | ||
3291 | RB_FOREACH (es, zebra_es_rb_head, &zmh_info->es_rb_tree) { | |
3292 | json_object *json = NULL; | |
3293 | ||
3294 | if (uj) | |
3295 | json = json_object_new_object(); | |
ce5160c0 | 3296 | zebra_evpn_es_show_entry_detail(vty, es, json); |
acffa256 AK |
3297 | if (uj) |
3298 | json_object_array_add(json_array, json); | |
3299 | } | |
3300 | ||
c48349e3 | 3301 | if (uj) |
962af8a8 | 3302 | vty_json(vty, json_array); |
ce5160c0 AK |
3303 | } |
3304 | ||
3305 | void zebra_evpn_es_show_esi(struct vty *vty, bool uj, esi_t *esi) | |
3306 | { | |
3307 | struct zebra_evpn_es *es; | |
3308 | char esi_str[ESI_STR_LEN]; | |
3309 | json_object *json = NULL; | |
3310 | ||
acffa256 AK |
3311 | if (uj) |
3312 | json = json_object_new_object(); | |
3313 | ||
ce5160c0 AK |
3314 | es = zebra_evpn_es_find(esi); |
3315 | ||
acffa256 AK |
3316 | if (es) { |
3317 | zebra_evpn_es_show_entry_detail(vty, es, json); | |
3318 | } else { | |
3319 | if (!uj) { | |
3320 | esi_to_str(esi, esi_str, sizeof(esi_str)); | |
3321 | vty_out(vty, "ESI %s does not exist\n", esi_str); | |
3322 | } | |
ce5160c0 AK |
3323 | } |
3324 | ||
c48349e3 | 3325 | if (uj) |
962af8a8 | 3326 | vty_json(vty, json); |
ce5160c0 AK |
3327 | } |
3328 | ||
3329 | int zebra_evpn_mh_if_write(struct vty *vty, struct interface *ifp) | |
3330 | { | |
3331 | struct zebra_if *zif = ifp->info; | |
3332 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b AK |
3333 | bool type_3_esi = false; |
3334 | char esi_buf[ESI_STR_LEN]; | |
ce5160c0 | 3335 | |
325d694b | 3336 | if (zif->es_info.lid) { |
ce5160c0 | 3337 | vty_out(vty, " evpn mh es-id %u\n", zif->es_info.lid); |
325d694b AK |
3338 | type_3_esi = true; |
3339 | } | |
ce5160c0 | 3340 | |
325d694b | 3341 | if (!is_zero_mac(&zif->es_info.sysmac)) { |
ce5160c0 AK |
3342 | vty_out(vty, " evpn mh es-sys-mac %s\n", |
3343 | prefix_mac2str(&zif->es_info.sysmac, | |
3344 | buf, sizeof(buf))); | |
325d694b AK |
3345 | type_3_esi = true; |
3346 | } | |
3347 | ||
3348 | if (!type_3_esi | |
3349 | && memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3350 | vty_out(vty, " evpn mh es-id %s\n", | |
3351 | esi_to_str(&zif->es_info.esi, esi_buf, sizeof(esi_buf))); | |
1103c5c6 AK |
3352 | |
3353 | if (zif->es_info.df_pref) | |
3354 | vty_out(vty, " evpn mh es-df-pref %u\n", zif->es_info.df_pref); | |
3355 | ||
c36e442c AK |
3356 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) |
3357 | vty_out(vty, " evpn mh uplink\n"); | |
3358 | ||
ce5160c0 AK |
3359 | return 0; |
3360 | } | |
3361 | ||
ce5160c0 | 3362 | #include "zebra/zebra_evpn_mh_clippy.c" |
00a7710c AK |
3363 | /* CLI for setting an ES in bypass mode */ |
3364 | DEFPY_HIDDEN(zebra_evpn_es_bypass, zebra_evpn_es_bypass_cmd, | |
3365 | "[no] evpn mh bypass", | |
3366 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "set bypass mode\n") | |
3367 | { | |
3368 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3369 | struct zebra_if *zif; | |
3370 | ||
3371 | zif = ifp->info; | |
3372 | ||
3373 | if (no) { | |
3374 | zebra_evpn_es_bypass_cfg_update(zif, false); | |
3375 | } else { | |
3376 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3377 | vty_out(vty, | |
21311bc8 | 3378 | "%% DF bypass cannot be associated with this interface type\n"); |
00a7710c AK |
3379 | return CMD_WARNING; |
3380 | } | |
3381 | zebra_evpn_es_bypass_cfg_update(zif, true); | |
3382 | } | |
3383 | return CMD_SUCCESS; | |
3384 | } | |
3385 | ||
1103c5c6 AK |
3386 | /* CLI for configuring DF preference part for an ES */ |
3387 | DEFPY(zebra_evpn_es_pref, zebra_evpn_es_pref_cmd, | |
3388 | "[no$no] evpn mh es-df-pref [(1-65535)$df_pref]", | |
3389 | NO_STR "EVPN\n" EVPN_MH_VTY_STR | |
3390 | "preference value used for DF election\n" | |
00a7710c | 3391 | "pref\n") |
1103c5c6 AK |
3392 | { |
3393 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3394 | struct zebra_if *zif; | |
3395 | ||
3396 | zif = ifp->info; | |
3397 | ||
3398 | if (no) { | |
3399 | zebra_evpn_es_df_pref_update(zif, 0); | |
3400 | } else { | |
3401 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3402 | vty_out(vty, | |
21311bc8 | 3403 | "%% DF preference cannot be associated with this interface type\n"); |
1103c5c6 AK |
3404 | return CMD_WARNING; |
3405 | } | |
3406 | zebra_evpn_es_df_pref_update(zif, df_pref); | |
3407 | } | |
3408 | return CMD_SUCCESS; | |
3409 | } | |
3410 | ||
ce5160c0 AK |
3411 | /* CLI for setting up sysmac part of ESI on an access port */ |
3412 | DEFPY(zebra_evpn_es_sys_mac, | |
3413 | zebra_evpn_es_sys_mac_cmd, | |
3414 | "[no$no] evpn mh es-sys-mac [X:X:X:X:X:X$mac]", | |
3415 | NO_STR | |
3416 | "EVPN\n" | |
3417 | EVPN_MH_VTY_STR | |
3418 | "Ethernet segment system MAC\n" | |
3419 | MAC_STR | |
3420 | ) | |
3421 | { | |
3422 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3423 | struct zebra_if *zif; | |
3424 | int ret = 0; | |
3425 | ||
3426 | zif = ifp->info; | |
3427 | ||
3428 | if (no) { | |
3429 | static struct ethaddr zero_mac; | |
3430 | ||
3431 | ret = zebra_evpn_es_sys_mac_update(zif, &zero_mac); | |
3432 | if (ret == -1) { | |
21311bc8 | 3433 | vty_out(vty, "%% Failed to clear ES sysmac\n"); |
ce5160c0 AK |
3434 | return CMD_WARNING; |
3435 | } | |
3436 | } else { | |
3437 | ||
3438 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3439 | vty_out(vty, | |
21311bc8 | 3440 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3441 | return CMD_WARNING; |
3442 | } | |
3443 | ||
3444 | if (!mac || is_zero_mac(&mac->eth_addr)) { | |
21311bc8 | 3445 | vty_out(vty, "%% ES sysmac value is invalid\n"); |
ce5160c0 AK |
3446 | return CMD_WARNING; |
3447 | } | |
3448 | ||
3449 | ret = zebra_evpn_es_sys_mac_update(zif, &mac->eth_addr); | |
3450 | if (ret == -1) { | |
21311bc8 | 3451 | vty_out(vty, |
3452 | "%% ESI already exists on a different interface\n"); | |
ce5160c0 AK |
3453 | return CMD_WARNING; |
3454 | } | |
3455 | } | |
3456 | return CMD_SUCCESS; | |
3457 | } | |
3458 | ||
3459 | /* CLI for setting up local-ID part of ESI on an access port */ | |
3460 | DEFPY(zebra_evpn_es_id, | |
3461 | zebra_evpn_es_id_cmd, | |
325d694b | 3462 | "[no$no] evpn mh es-id [(1-16777215)$es_lid | NAME$esi_str]", |
ce5160c0 AK |
3463 | NO_STR |
3464 | "EVPN\n" | |
3465 | EVPN_MH_VTY_STR | |
325d694b AK |
3466 | "Ethernet segment identifier\n" |
3467 | "local discriminator\n" | |
3468 | "10-byte ID - 00:AA:BB:CC:DD:EE:FF:GG:HH:II\n" | |
ce5160c0 AK |
3469 | ) |
3470 | { | |
3471 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3472 | struct zebra_if *zif; | |
325d694b AK |
3473 | int ret = 0; |
3474 | esi_t esi; | |
ce5160c0 AK |
3475 | |
3476 | zif = ifp->info; | |
3477 | ||
3478 | if (no) { | |
325d694b AK |
3479 | if (zif->es_info.lid) |
3480 | ret = zebra_evpn_es_lid_update(zif, 0); | |
3481 | else if (memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3482 | ret = zebra_evpn_es_type0_esi_update(zif, zero_esi); | |
3483 | ||
ce5160c0 | 3484 | if (ret == -1) { |
2e39ebbb | 3485 | vty_out(vty, |
3486 | "%% Failed to clear ES local id or ESI name\n"); | |
ce5160c0 AK |
3487 | return CMD_WARNING; |
3488 | } | |
3489 | } else { | |
3490 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3491 | vty_out(vty, | |
21311bc8 | 3492 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3493 | return CMD_WARNING; |
3494 | } | |
3495 | ||
325d694b AK |
3496 | if (esi_str) { |
3497 | if (!str_to_esi(esi_str, &esi)) { | |
2e39ebbb | 3498 | vty_out(vty, "%% Malformed ESI name\n"); |
325d694b AK |
3499 | return CMD_WARNING; |
3500 | } | |
3501 | ret = zebra_evpn_es_type0_esi_update(zif, &esi); | |
3502 | } else { | |
3503 | if (!es_lid) { | |
2e39ebbb | 3504 | vty_out(vty, |
3505 | "%% Specify ES local id or ESI name\n"); | |
325d694b AK |
3506 | return CMD_WARNING; |
3507 | } | |
3508 | ret = zebra_evpn_es_lid_update(zif, es_lid); | |
ce5160c0 | 3509 | } |
325d694b | 3510 | |
ce5160c0 AK |
3511 | if (ret == -1) { |
3512 | vty_out(vty, | |
21311bc8 | 3513 | "%% ESI already exists on a different interface\n"); |
ce5160c0 AK |
3514 | return CMD_WARNING; |
3515 | } | |
3516 | } | |
3517 | return CMD_SUCCESS; | |
3518 | } | |
3519 | ||
c36e442c AK |
3520 | /* CLI for tagging an interface as an uplink */ |
3521 | DEFPY(zebra_evpn_mh_uplink, zebra_evpn_mh_uplink_cmd, "[no] evpn mh uplink", | |
3522 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "uplink to the VxLAN core\n") | |
3523 | { | |
3524 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3525 | struct zebra_if *zif; | |
3526 | ||
3527 | zif = ifp->info; | |
3528 | zebra_evpn_mh_uplink_cfg_update(zif, no ? false : true); | |
3529 | ||
3530 | return CMD_SUCCESS; | |
3531 | } | |
3532 | ||
3533 | void zebra_evpn_mh_json(json_object *json) | |
3534 | { | |
3535 | json_object *json_array; | |
3536 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3537 | ||
3538 | json_object_int_add(json, "macHoldtime", zmh_info->mac_hold_time); | |
3539 | json_object_int_add(json, "neighHoldtime", zmh_info->neigh_hold_time); | |
3540 | json_object_int_add(json, "startupDelay", zmh_info->startup_delay_time); | |
3541 | json_object_string_add( | |
3542 | json, "startupDelayTimer", | |
3543 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3544 | zmh_info->startup_delay_timer)); | |
3545 | json_object_int_add(json, "uplinkConfigCount", | |
3546 | zmh_info->uplink_cfg_cnt); | |
3547 | json_object_int_add(json, "uplinkActiveCount", | |
3548 | zmh_info->uplink_oper_up_cnt); | |
3549 | ||
3550 | if (zmh_info->protodown_rc) { | |
3551 | json_array = json_object_new_array(); | |
7140b00c SW |
3552 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3553 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY)) | |
c36e442c AK |
3554 | json_object_array_add( |
3555 | json_array, | |
3556 | json_object_new_string("startupDelay")); | |
7140b00c SW |
3557 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3558 | ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN)) | |
47c1d76a SW |
3559 | json_object_array_add( |
3560 | json_array, | |
c36e442c AK |
3561 | json_object_new_string("uplinkDown")); |
3562 | json_object_object_add(json, "protodownReasons", json_array); | |
3563 | } | |
3564 | } | |
3565 | ||
3566 | void zebra_evpn_mh_print(struct vty *vty) | |
3567 | { | |
3568 | char pd_buf[ZEBRA_PROTODOWN_RC_STR_LEN]; | |
3569 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3570 | ||
3571 | vty_out(vty, "EVPN MH:\n"); | |
3572 | vty_out(vty, " mac-holdtime: %ds, neigh-holdtime: %ds\n", | |
3573 | zmh_info->mac_hold_time, zmh_info->neigh_hold_time); | |
3574 | vty_out(vty, " startup-delay: %ds, start-delay-timer: %s\n", | |
3575 | zmh_info->startup_delay_time, | |
3576 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3577 | zmh_info->startup_delay_timer)); | |
3578 | vty_out(vty, " uplink-cfg-cnt: %u, uplink-active-cnt: %u\n", | |
3579 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3580 | if (zmh_info->protodown_rc) | |
26ba45e3 | 3581 | vty_out(vty, " protodown reasons: %s\n", |
c36e442c AK |
3582 | zebra_protodown_rc_str(zmh_info->protodown_rc, pd_buf, |
3583 | sizeof(pd_buf))); | |
3584 | } | |
3585 | ||
ce5160c0 AK |
3586 | /*****************************************************************************/ |
3587 | /* A base L2-VNI is maintained to derive parameters such as ES originator-IP. | |
3588 | * XXX: once single vxlan device model becomes available this will not be | |
3589 | * necessary | |
3590 | */ | |
3591 | /* called when a new vni is added or becomes oper up or becomes a bridge port */ | |
f6371c34 | 3592 | void zebra_evpn_es_set_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3593 | { |
3594 | struct listnode *node; | |
3595 | struct zebra_evpn_es *es; | |
3596 | ||
87d76d54 PR |
3597 | if (zmh_info->es_base_evpn) { |
3598 | if (zmh_info->es_base_evpn != zevpn) { | |
3599 | /* unrelated EVPN; ignore it */ | |
ce5160c0 AK |
3600 | return; |
3601 | } | |
3602 | /* check if the local vtep-ip has changed */ | |
3603 | } else { | |
87d76d54 PR |
3604 | /* check if the EVPN can be used as base EVPN */ |
3605 | if (!zebra_evpn_send_to_client_ok(zevpn)) | |
ce5160c0 AK |
3606 | return; |
3607 | ||
3608 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3609 | zlog_debug("es base vni set to %d", | |
87d76d54 PR |
3610 | zevpn->vni); |
3611 | zmh_info->es_base_evpn = zevpn; | |
ce5160c0 AK |
3612 | } |
3613 | ||
3614 | /* update local VTEP-IP */ | |
3615 | if (zmh_info->es_originator_ip.s_addr == | |
87d76d54 | 3616 | zmh_info->es_base_evpn->local_vtep_ip.s_addr) |
ce5160c0 AK |
3617 | return; |
3618 | ||
3619 | zmh_info->es_originator_ip.s_addr = | |
87d76d54 | 3620 | zmh_info->es_base_evpn->local_vtep_ip.s_addr; |
ce5160c0 AK |
3621 | |
3622 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
3623 | zlog_debug("es originator ip set to %pI4", |
3624 | &zmh_info->es_base_evpn->local_vtep_ip); | |
ce5160c0 AK |
3625 | |
3626 | /* if originator ip changes we need to update bgp */ | |
3627 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
1103c5c6 AK |
3628 | zebra_evpn_es_run_df_election(es, __func__); |
3629 | ||
ce5160c0 AK |
3630 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3631 | zebra_evpn_es_send_add_to_client(es); | |
3632 | else | |
3633 | zebra_evpn_es_re_eval_send_to_client(es, | |
3634 | true /* es_evi_re_reval */); | |
3635 | } | |
3636 | } | |
3637 | ||
3638 | /* called when a vni is removed or becomes oper down or is removed from a | |
3639 | * bridge | |
3640 | */ | |
f6371c34 | 3641 | void zebra_evpn_es_clear_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3642 | { |
3643 | struct listnode *node; | |
3644 | struct zebra_evpn_es *es; | |
3645 | ||
87d76d54 | 3646 | if (zmh_info->es_base_evpn != zevpn) |
ce5160c0 AK |
3647 | return; |
3648 | ||
87d76d54 PR |
3649 | zmh_info->es_base_evpn = NULL; |
3650 | /* lost current base EVPN; try to find a new one */ | |
3651 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 | 3652 | |
87d76d54 PR |
3653 | /* couldn't locate an eligible base evpn */ |
3654 | if (!zmh_info->es_base_evpn && zmh_info->es_originator_ip.s_addr) { | |
ce5160c0 AK |
3655 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3656 | zlog_debug("es originator ip cleared"); | |
3657 | ||
3658 | zmh_info->es_originator_ip.s_addr = 0; | |
3659 | /* lost originator ip */ | |
3660 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
3661 | zebra_evpn_es_re_eval_send_to_client(es, | |
3662 | true /* es_evi_re_reval */); | |
3663 | } | |
3664 | } | |
3665 | } | |
3666 | ||
3667 | /* Locate an "eligible" L2-VNI to follow */ | |
87d76d54 | 3668 | static int zebra_evpn_es_get_one_base_evpn_cb(struct hash_bucket *b, void *data) |
ce5160c0 | 3669 | { |
f6371c34 | 3670 | struct zebra_evpn *zevpn = b->data; |
ce5160c0 | 3671 | |
87d76d54 | 3672 | zebra_evpn_es_set_base_evpn(zevpn); |
ce5160c0 | 3673 | |
87d76d54 | 3674 | if (zmh_info->es_base_evpn) |
ce5160c0 AK |
3675 | return HASHWALK_ABORT; |
3676 | ||
3677 | return HASHWALK_CONTINUE; | |
3678 | } | |
3679 | ||
87d76d54 | 3680 | /* locate a base_evpn to follow for the purposes of common params like |
ce5160c0 AK |
3681 | * originator IP |
3682 | */ | |
87d76d54 | 3683 | static void zebra_evpn_es_get_one_base_evpn(void) |
ce5160c0 AK |
3684 | { |
3685 | struct zebra_vrf *zvrf; | |
3686 | ||
3687 | zvrf = zebra_vrf_get_evpn(); | |
87d76d54 | 3688 | hash_walk(zvrf->evpn_table, zebra_evpn_es_get_one_base_evpn_cb, NULL); |
ce5160c0 AK |
3689 | } |
3690 | ||
c36e442c AK |
3691 | /***************************************************************************** |
3692 | * local ethernet segments can be error-disabled if the switch is not | |
3693 | * ready to start transmitting traffic via the VxLAN overlay | |
3694 | */ | |
3695 | bool zebra_evpn_is_es_bond(struct interface *ifp) | |
3696 | { | |
3697 | struct zebra_if *zif = ifp->info; | |
3698 | ||
3699 | return !!(struct zebra_if *)zif->es_info.es; | |
3700 | } | |
3701 | ||
3702 | bool zebra_evpn_is_es_bond_member(struct interface *ifp) | |
3703 | { | |
3704 | struct zebra_if *zif = ifp->info; | |
3705 | ||
3706 | return IS_ZEBRA_IF_BOND_SLAVE(zif->ifp) && zif->bondslave_info.bond_if | |
3707 | && ((struct zebra_if *)zif->bondslave_info.bond_if->info) | |
3708 | ->es_info.es; | |
3709 | } | |
3710 | ||
3711 | void zebra_evpn_mh_update_protodown_bond_mbr(struct zebra_if *zif, bool clear, | |
3712 | const char *caller) | |
3713 | { | |
c36e442c | 3714 | bool new_protodown; |
5d414138 SW |
3715 | uint32_t old_protodown_rc = 0; |
3716 | uint32_t new_protodown_rc = 0; | |
3717 | uint32_t protodown_rc = 0; | |
c36e442c AK |
3718 | |
3719 | if (!clear) { | |
3720 | struct zebra_if *bond_zif; | |
3721 | ||
3722 | bond_zif = zif->bondslave_info.bond_if->info; | |
3723 | protodown_rc = bond_zif->protodown_rc; | |
3724 | } | |
3725 | ||
c36e442c | 3726 | old_protodown_rc = zif->protodown_rc; |
26a64ff9 | 3727 | new_protodown_rc = (old_protodown_rc & ~ZEBRA_PROTODOWN_EVPN_ALL); |
5d414138 SW |
3728 | new_protodown_rc |= (protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); |
3729 | new_protodown = !!new_protodown_rc; | |
c36e442c | 3730 | |
5d414138 | 3731 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES && (new_protodown_rc != old_protodown_rc)) |
c36e442c AK |
3732 | zlog_debug( |
3733 | "%s bond mbr %s protodown_rc changed; old 0x%x new 0x%x", | |
3734 | caller, zif->ifp->name, old_protodown_rc, | |
5d414138 | 3735 | new_protodown_rc); |
c36e442c | 3736 | |
cb5b31f5 SW |
3737 | if (zebra_if_update_protodown_rc(zif->ifp, new_protodown, |
3738 | new_protodown_rc) == 0) { | |
5d414138 SW |
3739 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3740 | zlog_debug("%s protodown %s", zif->ifp->name, | |
3741 | new_protodown ? "on" : "off"); | |
3742 | } | |
c36e442c AK |
3743 | } |
3744 | ||
3745 | /* The bond members inherit the protodown reason code from the bond */ | |
3746 | static void zebra_evpn_mh_update_protodown_bond(struct zebra_if *bond_zif) | |
3747 | { | |
3748 | struct zebra_if *zif; | |
3749 | struct listnode *node; | |
3750 | ||
3751 | if (!bond_zif->bond_info.mbr_zifs) | |
3752 | return; | |
3753 | ||
3754 | for (ALL_LIST_ELEMENTS_RO(bond_zif->bond_info.mbr_zifs, node, zif)) { | |
3755 | zebra_evpn_mh_update_protodown_bond_mbr(zif, false /*clear*/, | |
3756 | __func__); | |
3757 | } | |
3758 | } | |
3759 | ||
3760 | /* The global EVPN MH protodown rc is applied to all local ESs */ | |
2bcf92e1 AK |
3761 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
3762 | bool resync_dplane) | |
c36e442c AK |
3763 | { |
3764 | struct zebra_if *zif; | |
5d414138 | 3765 | uint32_t old_protodown_rc; |
c36e442c AK |
3766 | |
3767 | zif = es->zif; | |
2bcf92e1 AK |
3768 | /* if the reason code is the same bail unless it is a new |
3769 | * ES bond in that case we would need to ensure that the | |
3770 | * dplane is really in sync with zebra | |
3771 | */ | |
3772 | if (!resync_dplane | |
3773 | && (zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL) | |
3774 | == (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
c36e442c AK |
3775 | return; |
3776 | ||
3777 | old_protodown_rc = zif->protodown_rc; | |
3778 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3779 | zif->protodown_rc |= | |
3780 | (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); | |
3781 | ||
2bcf92e1 AK |
3782 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES |
3783 | && (old_protodown_rc != zif->protodown_rc)) | |
c36e442c AK |
3784 | zlog_debug( |
3785 | "es %s ifp %s protodown_rc changed; old 0x%x new 0x%x", | |
3786 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3787 | zif->protodown_rc); | |
3788 | ||
3789 | /* update dataplane with the new protodown setting */ | |
3790 | zebra_evpn_mh_update_protodown_bond(zif); | |
3791 | } | |
3792 | ||
3793 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es) | |
3794 | { | |
3795 | struct zebra_if *zif; | |
5d414138 | 3796 | uint32_t old_protodown_rc; |
c36e442c AK |
3797 | |
3798 | zif = es->zif; | |
3799 | if (!(zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
3800 | return; | |
3801 | ||
3802 | old_protodown_rc = zif->protodown_rc; | |
3803 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3804 | ||
3805 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3806 | zlog_debug( | |
3807 | "clear: es %s ifp %s protodown_rc cleared; old 0x%x new 0x%x", | |
3808 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3809 | zif->protodown_rc); | |
3810 | ||
3811 | /* update dataplane with the new protodown setting */ | |
3812 | zebra_evpn_mh_update_protodown_bond(zif); | |
3813 | } | |
3814 | ||
3815 | static void zebra_evpn_mh_update_protodown_es_all(void) | |
3816 | { | |
3817 | struct listnode *node; | |
3818 | struct zebra_evpn_es *es; | |
3819 | ||
3820 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) | |
2bcf92e1 | 3821 | zebra_evpn_mh_update_protodown_es(es, false /*resync_dplane*/); |
c36e442c AK |
3822 | } |
3823 | ||
5d414138 | 3824 | static void zebra_evpn_mh_update_protodown(uint32_t protodown_rc, bool set) |
c36e442c | 3825 | { |
5d414138 | 3826 | uint32_t old_protodown_rc = zmh_info->protodown_rc; |
c36e442c AK |
3827 | |
3828 | if (set) { | |
3829 | if ((protodown_rc & zmh_info->protodown_rc) == protodown_rc) | |
3830 | return; | |
3831 | ||
3832 | zmh_info->protodown_rc |= protodown_rc; | |
3833 | } else { | |
3834 | if (!(protodown_rc & zmh_info->protodown_rc)) | |
3835 | return; | |
3836 | zmh_info->protodown_rc &= ~protodown_rc; | |
3837 | } | |
3838 | ||
3839 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3840 | zlog_debug("mh protodown_rc changed; old 0x%x new 0x%x", | |
3841 | old_protodown_rc, zmh_info->protodown_rc); | |
3842 | zebra_evpn_mh_update_protodown_es_all(); | |
3843 | } | |
3844 | ||
3845 | static inline bool zebra_evpn_mh_is_all_uplinks_down(void) | |
3846 | { | |
3847 | return zmh_info->uplink_cfg_cnt && !zmh_info->uplink_oper_up_cnt; | |
3848 | } | |
3849 | ||
3850 | static void zebra_evpn_mh_uplink_oper_flags_update(struct zebra_if *zif, | |
3851 | bool set) | |
3852 | { | |
9a8fc8f8 | 3853 | if (set && if_is_operative(zif->ifp)) { |
3854 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP)) { | |
3855 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3856 | ++zmh_info->uplink_oper_up_cnt; | |
c36e442c AK |
3857 | } |
3858 | } else { | |
3859 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) { | |
3860 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3861 | if (zmh_info->uplink_oper_up_cnt) | |
3862 | --zmh_info->uplink_oper_up_cnt; | |
3863 | } | |
3864 | } | |
3865 | } | |
3866 | ||
3867 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set) | |
3868 | { | |
3869 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3870 | bool new_protodown; | |
3871 | ||
3872 | if (set) { | |
3873 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
3874 | return; | |
3875 | ||
3876 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK; | |
3877 | ++zmh_info->uplink_cfg_cnt; | |
3878 | } else { | |
3879 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK)) | |
3880 | return; | |
3881 | ||
3882 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK; | |
3883 | if (zmh_info->uplink_cfg_cnt) | |
3884 | --zmh_info->uplink_cfg_cnt; | |
3885 | } | |
3886 | ||
3887 | zebra_evpn_mh_uplink_oper_flags_update(zif, set); | |
3888 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3889 | if (old_protodown == new_protodown) | |
3890 | return; | |
3891 | ||
3892 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3893 | zlog_debug( | |
3894 | "mh-uplink-cfg-chg on if %s/%d %s uplinks cfg %u up %u", | |
3895 | zif->ifp->name, zif->ifp->ifindex, set ? "set" : "down", | |
3896 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3897 | ||
3898 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, | |
3899 | new_protodown); | |
3900 | } | |
3901 | ||
3902 | void zebra_evpn_mh_uplink_oper_update(struct zebra_if *zif) | |
3903 | { | |
3904 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3905 | bool new_protodown; | |
3906 | ||
3907 | zebra_evpn_mh_uplink_oper_flags_update(zif, true /*set*/); | |
3908 | ||
3909 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3910 | zlog_debug( | |
3911 | "mh-uplink-oper-chg on if %s/%d %s; uplinks cfg %u up %u", | |
3912 | zif->ifp->name, zif->ifp->ifindex, | |
3913 | if_is_operative(zif->ifp) ? "up" : "down", | |
3914 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3915 | ||
3916 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3917 | if (old_protodown == new_protodown) | |
3918 | return; | |
3919 | ||
dc261b8d AK |
3920 | /* if protodown_rc XXX_UPLINK_DOWN is about to be cleared |
3921 | * fire up the start-up delay timer to allow the EVPN network | |
3922 | * to converge (Type-2 routes need to be advertised and processed) | |
3923 | */ | |
3924 | if (!new_protodown && (zmh_info->uplink_oper_up_cnt == 1)) | |
3925 | zebra_evpn_mh_startup_delay_timer_start("uplink-up"); | |
3926 | ||
c36e442c AK |
3927 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, |
3928 | new_protodown); | |
3929 | } | |
3930 | ||
cc9f21da | 3931 | static void zebra_evpn_mh_startup_delay_exp_cb(struct thread *t) |
c36e442c AK |
3932 | { |
3933 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3934 | zlog_debug("startup-delay expired"); | |
3935 | ||
3936 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, | |
3937 | false /* set */); | |
c36e442c AK |
3938 | } |
3939 | ||
dc261b8d | 3940 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc) |
c36e442c | 3941 | { |
c36e442c AK |
3942 | if (zmh_info->startup_delay_timer) { |
3943 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3944 | zlog_debug("startup-delay timer cancelled"); | |
35f5c31b | 3945 | THREAD_OFF(zmh_info->startup_delay_timer); |
c36e442c AK |
3946 | } |
3947 | ||
3948 | if (zmh_info->startup_delay_time) { | |
3949 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dc261b8d AK |
3950 | zlog_debug( |
3951 | "startup-delay timer started for %d sec on %s", | |
3952 | zmh_info->startup_delay_time, rc); | |
c36e442c AK |
3953 | thread_add_timer(zrouter.master, |
3954 | zebra_evpn_mh_startup_delay_exp_cb, NULL, | |
3955 | zmh_info->startup_delay_time, | |
3956 | &zmh_info->startup_delay_timer); | |
3957 | zebra_evpn_mh_update_protodown( | |
3958 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, true /* set */); | |
3959 | } else { | |
3960 | zebra_evpn_mh_update_protodown( | |
3961 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, false /* set */); | |
3962 | } | |
3963 | } | |
3964 | ||
7bfa7d02 AK |
3965 | /***************************************************************************** |
3966 | * Nexthop management: nexthops associated with Type-2 routes that have | |
3967 | * an ES as destination are consolidated by BGP into a per-VRF nh->rmac | |
3968 | * mapping which is the installed as a remote neigh/fdb entry with a | |
3969 | * dummy (type-1) prefix referencing it. | |
3970 | * This handling is needed because Type-2 routes with ES as dest use NHG | |
3971 | * that are setup using EAD routes (i.e. such NHGs do not include the | |
3972 | * RMAC info). | |
3973 | ****************************************************************************/ | |
3974 | void zebra_evpn_proc_remote_nh(ZAPI_HANDLER_ARGS) | |
3975 | { | |
3976 | struct stream *s; | |
3977 | vrf_id_t vrf_id; | |
3978 | struct ipaddr nh; | |
3979 | struct ethaddr rmac; | |
3980 | struct prefix_evpn dummy_prefix; | |
86d87c53 | 3981 | size_t min_len = 4 + sizeof(nh); |
7bfa7d02 AK |
3982 | |
3983 | s = msg; | |
86d87c53 DS |
3984 | |
3985 | /* | |
3986 | * Ensure that the stream sent to us is long enough | |
3987 | */ | |
3988 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) | |
3989 | min_len += sizeof(rmac); | |
3990 | if (hdr->length < min_len) | |
3991 | return; | |
3992 | ||
7bfa7d02 AK |
3993 | vrf_id = stream_getl(s); |
3994 | stream_get(&nh, s, sizeof(nh)); | |
3995 | ||
3996 | memset(&dummy_prefix, 0, sizeof(dummy_prefix)); | |
3997 | dummy_prefix.family = AF_EVPN; | |
3998 | dummy_prefix.prefixlen = (sizeof(struct evpn_addr) * 8); | |
3999 | dummy_prefix.prefix.route_type = 1; /* XXX - fixup to type-1 def */ | |
82732723 | 4000 | dummy_prefix.prefix.ead_addr.ip.ipa_type = nh.ipa_type; |
7bfa7d02 AK |
4001 | |
4002 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) { | |
4003 | stream_get(&rmac, s, sizeof(rmac)); | |
4004 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
4005 | zlog_debug( |
4006 | "evpn remote nh %d %pIA rmac %pEA add pfx %pFX", | |
4007 | vrf_id, &nh, &rmac, &dummy_prefix); | |
32367e7a | 4008 | zebra_rib_queue_evpn_route_add(vrf_id, &rmac, &nh, |
7bfa7d02 AK |
4009 | (struct prefix *)&dummy_prefix); |
4010 | } else { | |
4011 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
4012 | zlog_debug("evpn remote nh %d %pIA del pfx %pFX", |
4013 | vrf_id, &nh, &dummy_prefix); | |
32367e7a | 4014 | zebra_rib_queue_evpn_route_del(vrf_id, &nh, |
7bfa7d02 AK |
4015 | (struct prefix *)&dummy_prefix); |
4016 | } | |
4017 | } | |
4018 | ||
ce5160c0 | 4019 | /*****************************************************************************/ |
b169fd6f AK |
4020 | void zebra_evpn_mh_config_write(struct vty *vty) |
4021 | { | |
c36e442c AK |
4022 | if (zmh_info->mac_hold_time != ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF) |
4023 | vty_out(vty, "evpn mh mac-holdtime %d\n", | |
b169fd6f AK |
4024 | zmh_info->mac_hold_time); |
4025 | ||
c36e442c AK |
4026 | if (zmh_info->neigh_hold_time != ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF) |
4027 | vty_out(vty, "evpn mh neigh-holdtime %d\n", | |
b169fd6f | 4028 | zmh_info->neigh_hold_time); |
c36e442c AK |
4029 | |
4030 | if (zmh_info->startup_delay_time != ZEBRA_EVPN_MH_STARTUP_DELAY_DEF) | |
4031 | vty_out(vty, "evpn mh startup-delay %d\n", | |
4032 | zmh_info->startup_delay_time); | |
15400f95 AK |
4033 | |
4034 | if (zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF) | |
4035 | vty_out(vty, "evpn mh redirect-off\n"); | |
b169fd6f AK |
4036 | } |
4037 | ||
4038 | int zebra_evpn_mh_neigh_holdtime_update(struct vty *vty, | |
4039 | uint32_t duration, bool set_default) | |
4040 | { | |
4041 | if (set_default) | |
c36e442c | 4042 | duration = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; |
b169fd6f AK |
4043 | |
4044 | zmh_info->neigh_hold_time = duration; | |
4045 | ||
4046 | return 0; | |
4047 | } | |
4048 | ||
4049 | int zebra_evpn_mh_mac_holdtime_update(struct vty *vty, | |
4050 | uint32_t duration, bool set_default) | |
4051 | { | |
4052 | if (set_default) | |
c36e442c | 4053 | duration = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
b169fd6f AK |
4054 | |
4055 | zmh_info->mac_hold_time = duration; | |
4056 | ||
4057 | return 0; | |
4058 | } | |
4059 | ||
c36e442c AK |
4060 | int zebra_evpn_mh_startup_delay_update(struct vty *vty, uint32_t duration, |
4061 | bool set_default) | |
4062 | { | |
4063 | if (set_default) | |
4064 | duration = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
4065 | ||
4066 | zmh_info->startup_delay_time = duration; | |
dc261b8d AK |
4067 | |
4068 | /* if startup_delay_timer is running allow it to be adjusted | |
4069 | * up or down | |
4070 | */ | |
4071 | if (zmh_info->startup_delay_timer) | |
4072 | zebra_evpn_mh_startup_delay_timer_start("config"); | |
c36e442c AK |
4073 | |
4074 | return 0; | |
4075 | } | |
4076 | ||
15400f95 AK |
4077 | int zebra_evpn_mh_redirect_off(struct vty *vty, bool redirect_off) |
4078 | { | |
4079 | /* This knob needs to be set before ESs are configured | |
4080 | * i.e. cannot be changed on the fly | |
4081 | */ | |
4082 | if (redirect_off) | |
4083 | zmh_info->flags |= ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4084 | else | |
4085 | zmh_info->flags &= ~ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4086 | ||
4087 | return 0; | |
4088 | } | |
4089 | ||
ce5160c0 AK |
4090 | void zebra_evpn_interface_init(void) |
4091 | { | |
4092 | install_element(INTERFACE_NODE, &zebra_evpn_es_id_cmd); | |
4093 | install_element(INTERFACE_NODE, &zebra_evpn_es_sys_mac_cmd); | |
1103c5c6 | 4094 | install_element(INTERFACE_NODE, &zebra_evpn_es_pref_cmd); |
00a7710c | 4095 | install_element(INTERFACE_NODE, &zebra_evpn_es_bypass_cmd); |
c36e442c | 4096 | install_element(INTERFACE_NODE, &zebra_evpn_mh_uplink_cmd); |
ce5160c0 AK |
4097 | } |
4098 | ||
4099 | void zebra_evpn_mh_init(void) | |
4100 | { | |
4101 | zrouter.mh_info = XCALLOC(MTYPE_ZMH_INFO, sizeof(*zrouter.mh_info)); | |
4102 | ||
c36e442c AK |
4103 | zmh_info->mac_hold_time = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
4104 | zmh_info->neigh_hold_time = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; | |
ce5160c0 AK |
4105 | /* setup ES tables */ |
4106 | RB_INIT(zebra_es_rb_head, &zmh_info->es_rb_tree); | |
4107 | zmh_info->local_es_list = list_new(); | |
4108 | listset_app_node_mem(zmh_info->local_es_list); | |
4109 | ||
4110 | bf_init(zmh_info->nh_id_bitmap, EVPN_NH_ID_MAX); | |
4111 | bf_assign_zero_index(zmh_info->nh_id_bitmap); | |
15400f95 AK |
4112 | zmh_info->nhg_table = hash_create(zebra_evpn_nhg_hash_keymake, |
4113 | zebra_evpn_nhg_cmp, "l2 NHG table"); | |
5de10c37 AK |
4114 | zmh_info->nh_ip_table = |
4115 | hash_create(zebra_evpn_nh_ip_hash_keymake, zebra_evpn_nh_ip_cmp, | |
4116 | "l2 NH IP table"); | |
ce5160c0 AK |
4117 | |
4118 | /* setup broadcast domain tables */ | |
4119 | zmh_info->evpn_vlan_table = hash_create(zebra_evpn_acc_vl_hash_keymake, | |
4120 | zebra_evpn_acc_vl_cmp, "access VLAN hash table"); | |
c36e442c AK |
4121 | |
4122 | zmh_info->startup_delay_time = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
dc261b8d | 4123 | zebra_evpn_mh_startup_delay_timer_start("init"); |
ce5160c0 AK |
4124 | } |
4125 | ||
4126 | void zebra_evpn_mh_terminate(void) | |
4127 | { | |
4128 | list_delete(&zmh_info->local_es_list); | |
4129 | ||
4130 | hash_iterate(zmh_info->evpn_vlan_table, | |
4131 | zebra_evpn_acc_vl_cleanup_all, NULL); | |
4132 | hash_free(zmh_info->evpn_vlan_table); | |
5de10c37 AK |
4133 | hash_free(zmh_info->nhg_table); |
4134 | hash_free(zmh_info->nh_ip_table); | |
de86cc5b | 4135 | bf_free(zmh_info->nh_id_bitmap); |
823d80d1 DS |
4136 | |
4137 | XFREE(MTYPE_ZMH_INFO, zrouter.mh_info); | |
ce5160c0 | 4138 | } |