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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
ce5160c0 AK |
2 | /* |
3 | * Zebra EVPN multihoming code | |
4 | * | |
5 | * Copyright (C) 2019 Cumulus Networks, Inc. | |
6 | * Anuradha Karuppiah | |
ce5160c0 AK |
7 | */ |
8 | ||
9 | #include <zebra.h> | |
10 | ||
11 | #include "command.h" | |
12 | #include "hash.h" | |
13 | #include "if.h" | |
14 | #include "jhash.h" | |
15 | #include "linklist.h" | |
16 | #include "log.h" | |
17 | #include "memory.h" | |
18 | #include "prefix.h" | |
19 | #include "stream.h" | |
20 | #include "table.h" | |
21 | #include "vlan.h" | |
22 | #include "vxlan.h" | |
23 | ||
24 | #include "zebra/zebra_router.h" | |
25 | #include "zebra/debug.h" | |
26 | #include "zebra/interface.h" | |
27 | #include "zebra/rib.h" | |
28 | #include "zebra/rt.h" | |
29 | #include "zebra/rt_netlink.h" | |
c36e442c | 30 | #include "zebra/if_netlink.h" |
ce5160c0 AK |
31 | #include "zebra/zebra_errors.h" |
32 | #include "zebra/zebra_l2.h" | |
239b26f9 | 33 | #include "zebra/zebra_l2_bridge_if.h" |
ce5160c0 AK |
34 | #include "zebra/zebra_ns.h" |
35 | #include "zebra/zebra_vrf.h" | |
36 | #include "zebra/zebra_vxlan.h" | |
0adeb5fd | 37 | #include "zebra/zebra_vxlan_private.h" |
b2998086 PR |
38 | #include "zebra/zebra_evpn.h" |
39 | #include "zebra/zebra_evpn_mac.h" | |
ce5160c0 AK |
40 | #include "zebra/zebra_router.h" |
41 | #include "zebra/zebra_evpn_mh.h" | |
42 | #include "zebra/zebra_nhg.h" | |
43 | ||
44 | DEFINE_MTYPE_STATIC(ZEBRA, ZACC_BD, "Access Broadcast Domain"); | |
45 | DEFINE_MTYPE_STATIC(ZEBRA, ZES, "Ethernet Segment"); | |
46 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_EVI, "ES info per-EVI"); | |
47 | DEFINE_MTYPE_STATIC(ZEBRA, ZMH_INFO, "MH global info"); | |
48 | DEFINE_MTYPE_STATIC(ZEBRA, ZES_VTEP, "VTEP attached to the ES"); | |
5de10c37 | 49 | DEFINE_MTYPE_STATIC(ZEBRA, L2_NH, "L2 nexthop"); |
ce5160c0 | 50 | |
87d76d54 | 51 | static void zebra_evpn_es_get_one_base_evpn(void); |
ce5160c0 | 52 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, |
f6371c34 | 53 | struct zebra_evpn *zevpn, bool add); |
e378f502 | 54 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp); |
325d694b | 55 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi); |
28e80a03 AK |
56 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, |
57 | const char *caller); | |
c36e442c | 58 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set); |
2bcf92e1 AK |
59 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
60 | bool resync_dplane); | |
c36e442c | 61 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es); |
dc261b8d | 62 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc); |
ce5160c0 AK |
63 | |
64 | esi_t zero_esi_buf, *zero_esi = &zero_esi_buf; | |
65 | ||
66 | /*****************************************************************************/ | |
67 | /* Ethernet Segment to EVI association - | |
68 | * 1. The ES-EVI entry is maintained as a RB tree per L2-VNI | |
f6371c34 | 69 | * (struct zebra_evpn.es_evi_rb_tree). |
ce5160c0 AK |
70 | * 2. Each local ES-EVI entry is sent to BGP which advertises it as an |
71 | * EAD-EVI (Type-1 EVPN) route | |
72 | * 3. Local ES-EVI setup is re-evaluated on the following triggers - | |
73 | * a. When an ESI is set or cleared on an access port. | |
74 | * b. When an access port associated with an ESI is deleted. | |
75 | * c. When VLAN member ship changes on an access port. | |
76 | * d. When a VXLAN_IF is set or cleared on an access broadcast domain. | |
77 | * e. When a L2-VNI is added or deleted for a VxLAN_IF. | |
78 | * 4. Currently zebra doesn't remote ES-EVIs. Those are managed and maintained | |
79 | * entirely in BGP which consolidates them into a remote ES. The remote ES | |
80 | * is then sent to zebra which allocates a NHG for it. | |
81 | */ | |
82 | ||
87d76d54 | 83 | /* compare ES-IDs for the ES-EVI RB tree maintained per-EVPN */ |
ce5160c0 AK |
84 | static int zebra_es_evi_rb_cmp(const struct zebra_evpn_es_evi *es_evi1, |
85 | const struct zebra_evpn_es_evi *es_evi2) | |
86 | { | |
87 | return memcmp(&es_evi1->es->esi, &es_evi2->es->esi, ESI_BYTES); | |
88 | } | |
89 | RB_GENERATE(zebra_es_evi_rb_head, zebra_evpn_es_evi, | |
90 | rb_node, zebra_es_evi_rb_cmp); | |
91 | ||
92 | /* allocate a new ES-EVI and insert it into the per-L2-VNI and per-ES | |
93 | * tables. | |
94 | */ | |
95 | static struct zebra_evpn_es_evi *zebra_evpn_es_evi_new(struct zebra_evpn_es *es, | |
f6371c34 | 96 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
97 | { |
98 | struct zebra_evpn_es_evi *es_evi; | |
99 | ||
100 | es_evi = XCALLOC(MTYPE_ZES_EVI, sizeof(struct zebra_evpn_es_evi)); | |
101 | ||
102 | es_evi->es = es; | |
87d76d54 | 103 | es_evi->zevpn = zevpn; |
ce5160c0 | 104 | |
87d76d54 | 105 | /* insert into the EVPN-ESI rb tree */ |
2a778afe | 106 | RB_INSERT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
107 | |
108 | /* add to the ES's VNI list */ | |
109 | listnode_init(&es_evi->es_listnode, es_evi); | |
110 | listnode_add(es->es_evi_list, &es_evi->es_listnode); | |
111 | ||
112 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
113 | zlog_debug("es %s evi %d new", | |
87d76d54 | 114 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
115 | |
116 | return es_evi; | |
117 | } | |
118 | ||
ce5160c0 AK |
119 | /* Evaluate if the es_evi is ready to be sent BGP - |
120 | * 1. If it is ready an add is sent to BGP | |
121 | * 2. If it is not ready a del is sent (if the ES had been previously added | |
122 | * to BGP). | |
123 | */ | |
124 | static void zebra_evpn_es_evi_re_eval_send_to_client( | |
125 | struct zebra_evpn_es_evi *es_evi) | |
126 | { | |
127 | bool old_ready; | |
128 | bool new_ready; | |
129 | ||
130 | old_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
131 | ||
132 | /* ES and L2-VNI have to be individually ready for BGP */ | |
133 | if ((es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) && | |
134 | (es_evi->es->flags & ZEBRA_EVPNES_READY_FOR_BGP) && | |
87d76d54 | 135 | zebra_evpn_send_to_client_ok(es_evi->zevpn)) |
ce5160c0 AK |
136 | es_evi->flags |= ZEBRA_EVPNES_EVI_READY_FOR_BGP; |
137 | else | |
138 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_READY_FOR_BGP; | |
139 | ||
140 | new_ready = !!(es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP); | |
141 | ||
142 | if (old_ready == new_ready) | |
143 | return; | |
144 | ||
145 | if (new_ready) | |
87d76d54 | 146 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
147 | true /* add */); |
148 | else | |
87d76d54 | 149 | zebra_evpn_es_evi_send_to_client(es_evi->es, es_evi->zevpn, |
ce5160c0 AK |
150 | false /* add */); |
151 | } | |
152 | ||
153 | /* remove the ES-EVI from the per-L2-VNI and per-ES tables and free | |
154 | * up the memory. | |
155 | */ | |
156 | static void zebra_evpn_es_evi_free(struct zebra_evpn_es_evi *es_evi) | |
157 | { | |
158 | struct zebra_evpn_es *es = es_evi->es; | |
f6371c34 | 159 | struct zebra_evpn *zevpn = es_evi->zevpn; |
ce5160c0 AK |
160 | |
161 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
162 | zlog_debug("es %s evi %d free", | |
87d76d54 | 163 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
164 | |
165 | /* remove from the ES's VNI list */ | |
166 | list_delete_node(es->es_evi_list, &es_evi->es_listnode); | |
167 | ||
168 | /* remove from the VNI-ESI rb tree */ | |
87d76d54 | 169 | RB_REMOVE(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, es_evi); |
ce5160c0 AK |
170 | |
171 | /* remove from the VNI-ESI rb tree */ | |
172 | XFREE(MTYPE_ZES_EVI, es_evi); | |
173 | } | |
174 | ||
175 | /* find the ES-EVI in the per-L2-VNI RB tree */ | |
09de6e45 AK |
176 | struct zebra_evpn_es_evi *zebra_evpn_es_evi_find(struct zebra_evpn_es *es, |
177 | struct zebra_evpn *zevpn) | |
ce5160c0 AK |
178 | { |
179 | struct zebra_evpn_es_evi es_evi; | |
180 | ||
181 | es_evi.es = es; | |
182 | ||
87d76d54 | 183 | return RB_FIND(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree, &es_evi); |
ce5160c0 AK |
184 | } |
185 | ||
186 | /* Tell BGP about an ES-EVI deletion and then delete it */ | |
187 | static void zebra_evpn_local_es_evi_do_del(struct zebra_evpn_es_evi *es_evi) | |
188 | { | |
189 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
190 | return; | |
191 | ||
192 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
193 | zlog_debug("local es %s evi %d del", | |
87d76d54 | 194 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 AK |
195 | |
196 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) { | |
197 | /* send a del only if add was sent for it earlier */ | |
198 | zebra_evpn_es_evi_send_to_client(es_evi->es, | |
87d76d54 | 199 | es_evi->zevpn, false /* add */); |
ce5160c0 AK |
200 | } |
201 | ||
87d76d54 PR |
202 | /* delete it from the EVPN's local list */ |
203 | list_delete_node(es_evi->zevpn->local_es_evi_list, | |
ce5160c0 AK |
204 | &es_evi->l2vni_listnode); |
205 | ||
206 | es_evi->flags &= ~ZEBRA_EVPNES_EVI_LOCAL; | |
207 | zebra_evpn_es_evi_free(es_evi); | |
208 | } | |
209 | static void zebra_evpn_local_es_evi_del(struct zebra_evpn_es *es, | |
f6371c34 | 210 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
211 | { |
212 | struct zebra_evpn_es_evi *es_evi; | |
213 | ||
87d76d54 | 214 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 AK |
215 | if (es_evi) |
216 | zebra_evpn_local_es_evi_do_del(es_evi); | |
217 | } | |
218 | ||
09de6e45 AK |
219 | /* If there are any existing MAC entries for this es/zevpn we need |
220 | * to install it in the dataplane. | |
221 | * | |
222 | * Note: primary purpose of this is to handle es del/re-add windows where | |
223 | * sync MAC entries may be added by bgpd before the es-evi membership is | |
224 | * created in the dataplane and in zebra | |
225 | */ | |
226 | static void zebra_evpn_es_evi_mac_install(struct zebra_evpn_es_evi *es_evi) | |
227 | { | |
228 | struct zebra_mac *mac; | |
229 | struct listnode *node; | |
230 | struct zebra_evpn_es *es = es_evi->es; | |
231 | ||
232 | if (listcount(es->mac_list) && IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
233 | zlog_debug("dp-mac install on es %s evi %d add", es->esi_str, | |
234 | es_evi->zevpn->vni); | |
235 | ||
236 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
237 | if (mac->zevpn != es_evi->zevpn) | |
238 | continue; | |
239 | ||
240 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
241 | continue; | |
242 | ||
243 | zebra_evpn_sync_mac_dp_install(mac, false, false, __func__); | |
244 | } | |
245 | } | |
246 | ||
ce5160c0 AK |
247 | /* Create an ES-EVI if it doesn't already exist and tell BGP */ |
248 | static void zebra_evpn_local_es_evi_add(struct zebra_evpn_es *es, | |
f6371c34 | 249 | struct zebra_evpn *zevpn) |
ce5160c0 AK |
250 | { |
251 | struct zebra_evpn_es_evi *es_evi; | |
252 | ||
87d76d54 | 253 | es_evi = zebra_evpn_es_evi_find(es, zevpn); |
ce5160c0 | 254 | if (!es_evi) { |
87d76d54 | 255 | es_evi = zebra_evpn_es_evi_new(es, zevpn); |
ce5160c0 AK |
256 | if (!es_evi) |
257 | return; | |
258 | ||
259 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
260 | zlog_debug("local es %s evi %d add", | |
87d76d54 | 261 | es_evi->es->esi_str, es_evi->zevpn->vni); |
ce5160c0 | 262 | es_evi->flags |= ZEBRA_EVPNES_EVI_LOCAL; |
87d76d54 | 263 | /* add to the EVPN's local list */ |
ce5160c0 | 264 | listnode_init(&es_evi->l2vni_listnode, es_evi); |
87d76d54 | 265 | listnode_add(zevpn->local_es_evi_list, &es_evi->l2vni_listnode); |
ce5160c0 AK |
266 | |
267 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
09de6e45 AK |
268 | |
269 | zebra_evpn_es_evi_mac_install(es_evi); | |
ce5160c0 AK |
270 | } |
271 | } | |
272 | ||
273 | static void zebra_evpn_es_evi_show_entry(struct vty *vty, | |
acffa256 AK |
274 | struct zebra_evpn_es_evi *es_evi, |
275 | json_object *json_array) | |
ce5160c0 AK |
276 | { |
277 | char type_str[4]; | |
278 | ||
acffa256 AK |
279 | if (json_array) { |
280 | json_object *json; | |
281 | json_object *json_types; | |
282 | ||
283 | /* Separate JSON object for each es-evi entry */ | |
284 | json = json_object_new_object(); | |
285 | ||
286 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
287 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
288 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) { | |
289 | json_types = json_object_new_array(); | |
290 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
291 | json_array_string_add(json_types, "local"); | |
292 | json_object_object_add(json, "type", json_types); | |
293 | } | |
294 | ||
295 | /* Add es-evi entry to json array */ | |
296 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
297 | } else { |
298 | type_str[0] = '\0'; | |
299 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 300 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
301 | |
302 | vty_out(vty, "%-8d %-30s %-4s\n", | |
87d76d54 | 303 | es_evi->zevpn->vni, es_evi->es->esi_str, |
ce5160c0 AK |
304 | type_str); |
305 | } | |
306 | } | |
307 | ||
acffa256 AK |
308 | static void |
309 | zebra_evpn_es_evi_show_entry_detail(struct vty *vty, | |
310 | struct zebra_evpn_es_evi *es_evi, | |
311 | json_object *json_array) | |
ce5160c0 AK |
312 | { |
313 | char type_str[4]; | |
314 | ||
acffa256 AK |
315 | if (json_array) { |
316 | json_object *json; | |
317 | json_object *json_flags; | |
318 | ||
319 | /* Separate JSON object for each es-evi entry */ | |
320 | json = json_object_new_object(); | |
321 | ||
322 | json_object_string_add(json, "esi", es_evi->es->esi_str); | |
323 | json_object_int_add(json, "vni", es_evi->zevpn->vni); | |
324 | if (es_evi->flags | |
325 | & (ZEBRA_EVPNES_EVI_LOCAL | |
326 | | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) { | |
327 | json_flags = json_object_new_array(); | |
328 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
329 | json_array_string_add(json_flags, "local"); | |
330 | if (es_evi->flags & ZEBRA_EVPNES_EVI_READY_FOR_BGP) | |
331 | json_array_string_add(json_flags, | |
332 | "readyForBgp"); | |
333 | json_object_object_add(json, "flags", json_flags); | |
334 | } | |
335 | ||
336 | /* Add es-evi entry to json array */ | |
337 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
338 | } else { |
339 | type_str[0] = '\0'; | |
340 | if (es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL) | |
9e0c2fd1 | 341 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 AK |
342 | |
343 | vty_out(vty, "VNI %d ESI: %s\n", | |
87d76d54 | 344 | es_evi->zevpn->vni, es_evi->es->esi_str); |
ce5160c0 AK |
345 | vty_out(vty, " Type: %s\n", type_str); |
346 | vty_out(vty, " Ready for BGP: %s\n", | |
347 | (es_evi->flags & | |
348 | ZEBRA_EVPNES_EVI_READY_FOR_BGP) ? | |
349 | "yes" : "no"); | |
350 | vty_out(vty, "\n"); | |
351 | } | |
352 | } | |
353 | ||
f6371c34 | 354 | static void zebra_evpn_es_evi_show_one_evpn(struct zebra_evpn *zevpn, |
acffa256 AK |
355 | struct vty *vty, |
356 | json_object *json_array, int detail) | |
ce5160c0 AK |
357 | { |
358 | struct zebra_evpn_es_evi *es_evi; | |
359 | ||
87d76d54 | 360 | RB_FOREACH(es_evi, zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree) { |
ce5160c0 | 361 | if (detail) |
acffa256 AK |
362 | zebra_evpn_es_evi_show_entry_detail(vty, es_evi, |
363 | json_array); | |
ce5160c0 | 364 | else |
acffa256 | 365 | zebra_evpn_es_evi_show_entry(vty, es_evi, json_array); |
ce5160c0 AK |
366 | } |
367 | } | |
368 | ||
369 | struct evpn_mh_show_ctx { | |
370 | struct vty *vty; | |
371 | json_object *json; | |
372 | int detail; | |
373 | }; | |
374 | ||
87d76d54 | 375 | static void zebra_evpn_es_evi_show_one_evpn_hash_cb(struct hash_bucket *bucket, |
ce5160c0 AK |
376 | void *ctxt) |
377 | { | |
f6371c34 | 378 | struct zebra_evpn *zevpn = (struct zebra_evpn *)bucket->data; |
ce5160c0 AK |
379 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; |
380 | ||
87d76d54 | 381 | zebra_evpn_es_evi_show_one_evpn(zevpn, wctx->vty, |
ce5160c0 AK |
382 | wctx->json, wctx->detail); |
383 | } | |
384 | ||
385 | void zebra_evpn_es_evi_show(struct vty *vty, bool uj, int detail) | |
386 | { | |
acffa256 | 387 | json_object *json_array = NULL; |
ce5160c0 AK |
388 | struct zebra_vrf *zvrf; |
389 | struct evpn_mh_show_ctx wctx; | |
390 | ||
391 | zvrf = zebra_vrf_get_evpn(); | |
acffa256 AK |
392 | if (uj) |
393 | json_array = json_object_new_array(); | |
ce5160c0 AK |
394 | |
395 | memset(&wctx, 0, sizeof(wctx)); | |
396 | wctx.vty = vty; | |
acffa256 | 397 | wctx.json = json_array; |
ce5160c0 AK |
398 | wctx.detail = detail; |
399 | ||
acffa256 | 400 | if (!detail && !json_array) { |
ce5160c0 AK |
401 | vty_out(vty, "Type: L local, R remote\n"); |
402 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
403 | } | |
404 | /* Display all L2-VNIs */ | |
87d76d54 | 405 | hash_iterate(zvrf->evpn_table, zebra_evpn_es_evi_show_one_evpn_hash_cb, |
ce5160c0 | 406 | &wctx); |
acffa256 | 407 | |
c48349e3 | 408 | if (uj) |
962af8a8 | 409 | vty_json(vty, json_array); |
ce5160c0 AK |
410 | } |
411 | ||
412 | void zebra_evpn_es_evi_show_vni(struct vty *vty, bool uj, vni_t vni, int detail) | |
413 | { | |
acffa256 | 414 | json_object *json_array = NULL; |
f6371c34 | 415 | struct zebra_evpn *zevpn; |
ce5160c0 | 416 | |
8b5fdf2e | 417 | zevpn = zebra_evpn_lookup(vni); |
acffa256 AK |
418 | if (uj) |
419 | json_array = json_object_new_array(); | |
420 | ||
87d76d54 | 421 | if (zevpn) { |
acffa256 | 422 | if (!detail && !json_array) { |
ce5160c0 AK |
423 | vty_out(vty, "Type: L local, R remote\n"); |
424 | vty_out(vty, "%-8s %-30s %-4s\n", "VNI", "ESI", "Type"); | |
425 | } | |
362c8f2d | 426 | zebra_evpn_es_evi_show_one_evpn(zevpn, vty, json_array, detail); |
ce5160c0 AK |
427 | } else { |
428 | if (!uj) | |
1718bc78 | 429 | vty_out(vty, "VNI %d doesn't exist\n", vni); |
ce5160c0 | 430 | } |
acffa256 | 431 | |
c48349e3 | 432 | if (uj) |
962af8a8 | 433 | vty_json(vty, json_array); |
ce5160c0 AK |
434 | } |
435 | ||
436 | /* Initialize the ES tables maintained per-L2_VNI */ | |
f6371c34 | 437 | void zebra_evpn_es_evi_init(struct zebra_evpn *zevpn) |
ce5160c0 AK |
438 | { |
439 | /* Initialize the ES-EVI RB tree */ | |
87d76d54 | 440 | RB_INIT(zebra_es_evi_rb_head, &zevpn->es_evi_rb_tree); |
ce5160c0 AK |
441 | |
442 | /* Initialize the local and remote ES lists maintained for quick | |
443 | * walks by type | |
444 | */ | |
87d76d54 PR |
445 | zevpn->local_es_evi_list = list_new(); |
446 | listset_app_node_mem(zevpn->local_es_evi_list); | |
ce5160c0 AK |
447 | } |
448 | ||
87d76d54 | 449 | /* Cleanup the ES info maintained per- EVPN */ |
f6371c34 | 450 | void zebra_evpn_es_evi_cleanup(struct zebra_evpn *zevpn) |
ce5160c0 AK |
451 | { |
452 | struct zebra_evpn_es_evi *es_evi; | |
453 | struct zebra_evpn_es_evi *es_evi_next; | |
454 | ||
455 | RB_FOREACH_SAFE(es_evi, zebra_es_evi_rb_head, | |
87d76d54 | 456 | &zevpn->es_evi_rb_tree, es_evi_next) { |
ce5160c0 AK |
457 | zebra_evpn_local_es_evi_do_del(es_evi); |
458 | } | |
459 | ||
87d76d54 PR |
460 | list_delete(&zevpn->local_es_evi_list); |
461 | zebra_evpn_es_clear_base_evpn(zevpn); | |
ce5160c0 AK |
462 | } |
463 | ||
464 | /* called when the oper state or bridge membership changes for the | |
465 | * vxlan device | |
466 | */ | |
f6371c34 | 467 | void zebra_evpn_update_all_es(struct zebra_evpn *zevpn) |
ce5160c0 AK |
468 | { |
469 | struct zebra_evpn_es_evi *es_evi; | |
470 | struct listnode *node; | |
e4c3ece6 AK |
471 | struct interface *vlan_if; |
472 | struct interface *vxlan_if; | |
473 | struct zebra_if *vxlan_zif; | |
8d30ff3b | 474 | struct zebra_vxlan_vni *vni; |
ce5160c0 | 475 | |
87d76d54 PR |
476 | /* the EVPN is now elgible as a base for EVPN-MH */ |
477 | if (zebra_evpn_send_to_client_ok(zevpn)) | |
478 | zebra_evpn_es_set_base_evpn(zevpn); | |
ce5160c0 | 479 | else |
87d76d54 | 480 | zebra_evpn_es_clear_base_evpn(zevpn); |
ce5160c0 | 481 | |
87d76d54 | 482 | for (ALL_LIST_ELEMENTS_RO(zevpn->local_es_evi_list, node, es_evi)) |
ce5160c0 | 483 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); |
e4c3ece6 AK |
484 | |
485 | /* reinstall SVI MAC */ | |
486 | vxlan_if = zevpn->vxlan_if; | |
487 | if (vxlan_if) { | |
488 | vxlan_zif = vxlan_if->info; | |
489 | if (if_is_operative(vxlan_if) | |
490 | && vxlan_zif->brslave_info.br_if) { | |
8d30ff3b | 491 | vni = zebra_vxlan_if_vni_find(vxlan_zif, zevpn->vni); |
feffe4ee SR |
492 | /* VLAN-VNI mappings may not exist */ |
493 | if (vni) { | |
494 | vlan_if = zvni_map_to_svi( | |
495 | vni->access_vlan, | |
496 | vxlan_zif->brslave_info.br_if); | |
497 | if (vlan_if) | |
498 | zebra_evpn_acc_bd_svi_mac_add(vlan_if); | |
499 | } | |
e4c3ece6 AK |
500 | } |
501 | } | |
ce5160c0 AK |
502 | } |
503 | ||
504 | /*****************************************************************************/ | |
505 | /* Access broadcast domains (BD) | |
506 | * 1. These broadcast domains can be VLAN aware (in which case | |
507 | * the key is VID) or VLAN unaware (in which case the key is | |
508 | * 2. A VID-BD is created when a VLAN is associated with an access port or | |
509 | * when the VLAN is associated with VXLAN_IF | |
510 | * 3. A BD is translated into ES-EVI entries when a VNI is associated | |
511 | * with the broadcast domain | |
512 | */ | |
513 | /* Hash key for VLAN based broadcast domains */ | |
514 | static unsigned int zebra_evpn_acc_vl_hash_keymake(const void *p) | |
515 | { | |
516 | const struct zebra_evpn_access_bd *acc_bd = p; | |
517 | ||
239b26f9 | 518 | return jhash_2words(acc_bd->vid, acc_bd->bridge_ifindex, 0); |
ce5160c0 AK |
519 | } |
520 | ||
521 | /* Compare two VLAN based broadcast domains */ | |
522 | static bool zebra_evpn_acc_vl_cmp(const void *p1, const void *p2) | |
523 | { | |
524 | const struct zebra_evpn_access_bd *acc_bd1 = p1; | |
525 | const struct zebra_evpn_access_bd *acc_bd2 = p2; | |
526 | ||
527 | if (acc_bd1 == NULL && acc_bd2 == NULL) | |
528 | return true; | |
529 | ||
530 | if (acc_bd1 == NULL || acc_bd2 == NULL) | |
531 | return false; | |
532 | ||
0bbad9d1 SW |
533 | return ((acc_bd1->vid == acc_bd2->vid) && |
534 | (acc_bd1->bridge_ifindex == acc_bd2->bridge_ifindex)); | |
ce5160c0 AK |
535 | } |
536 | ||
537 | /* Lookup VLAN based broadcast domain */ | |
239b26f9 SR |
538 | struct zebra_evpn_access_bd *zebra_evpn_acc_vl_find(vlanid_t vid, |
539 | struct interface *br_if) | |
ce5160c0 AK |
540 | { |
541 | struct zebra_evpn_access_bd *acc_bd; | |
542 | struct zebra_evpn_access_bd tmp; | |
543 | ||
544 | tmp.vid = vid; | |
239b26f9 | 545 | tmp.bridge_ifindex = br_if->ifindex; |
ce5160c0 AK |
546 | acc_bd = hash_lookup(zmh_info->evpn_vlan_table, &tmp); |
547 | ||
548 | return acc_bd; | |
549 | } | |
550 | ||
551 | /* A new broadcast domain can be created when a VLAN member or VLAN<=>VxLAN_IF | |
552 | * mapping is added. | |
553 | */ | |
243b74ed AK |
554 | static struct zebra_evpn_access_bd * |
555 | zebra_evpn_acc_vl_new(vlanid_t vid, struct interface *br_if) | |
ce5160c0 AK |
556 | { |
557 | struct zebra_evpn_access_bd *acc_bd; | |
243b74ed | 558 | struct interface *vlan_if; |
ce5160c0 AK |
559 | |
560 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 | 561 | zlog_debug("access vlan %d bridge %s add", vid, br_if->name); |
ce5160c0 AK |
562 | |
563 | acc_bd = XCALLOC(MTYPE_ZACC_BD, sizeof(struct zebra_evpn_access_bd)); | |
564 | ||
565 | acc_bd->vid = vid; | |
239b26f9 SR |
566 | acc_bd->bridge_ifindex = br_if->ifindex; |
567 | acc_bd->bridge_zif = (struct zebra_if *)br_if->info; | |
ce5160c0 AK |
568 | |
569 | /* Initialize the mbr list */ | |
570 | acc_bd->mbr_zifs = list_new(); | |
571 | ||
572 | /* Add to hash */ | |
8e3aae66 | 573 | (void)hash_get(zmh_info->evpn_vlan_table, acc_bd, hash_alloc_intern); |
ce5160c0 | 574 | |
243b74ed | 575 | /* check if an svi exists for the vlan */ |
239b26f9 SR |
576 | vlan_if = zvni_map_to_svi(vid, br_if); |
577 | if (vlan_if) { | |
578 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
579 | zlog_debug("vlan %d bridge %s SVI %s set", vid, | |
580 | br_if->name, vlan_if->name); | |
581 | acc_bd->vlan_zif = vlan_if->info; | |
243b74ed | 582 | } |
ce5160c0 AK |
583 | return acc_bd; |
584 | } | |
585 | ||
586 | /* Free VLAN based broadcast domain - | |
587 | * This just frees appropriate memory, caller should have taken other | |
588 | * needed actions. | |
589 | */ | |
590 | static void zebra_evpn_acc_vl_free(struct zebra_evpn_access_bd *acc_bd) | |
591 | { | |
592 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
593 | zlog_debug("access vlan %d del", acc_bd->vid); | |
594 | ||
243b74ed AK |
595 | if (acc_bd->vlan_zif && acc_bd->zevpn && acc_bd->zevpn->mac_table) |
596 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
597 | ||
ce5160c0 AK |
598 | /* cleanup resources maintained against the ES */ |
599 | list_delete(&acc_bd->mbr_zifs); | |
600 | ||
601 | /* remove EVI from various tables */ | |
602 | hash_release(zmh_info->evpn_vlan_table, acc_bd); | |
603 | ||
604 | XFREE(MTYPE_ZACC_BD, acc_bd); | |
605 | } | |
606 | ||
607 | static void zebra_evpn_acc_vl_cleanup_all(struct hash_bucket *bucket, void *arg) | |
608 | { | |
609 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
610 | ||
611 | zebra_evpn_acc_vl_free(acc_bd); | |
612 | } | |
613 | ||
614 | /* called when a bd mbr is removed or VxLAN_IF is diassociated from the access | |
615 | * VLAN | |
616 | */ | |
617 | static void zebra_evpn_acc_bd_free_on_deref(struct zebra_evpn_access_bd *acc_bd) | |
618 | { | |
619 | if (!list_isempty(acc_bd->mbr_zifs) || acc_bd->vxlan_zif) | |
620 | return; | |
621 | ||
239b26f9 SR |
622 | /* Remove this access_bd from bridge hash table */ |
623 | zebra_l2_bridge_if_vlan_access_bd_deref(acc_bd); | |
624 | ||
ce5160c0 AK |
625 | /* if there are no references free the EVI */ |
626 | zebra_evpn_acc_vl_free(acc_bd); | |
627 | } | |
628 | ||
239b26f9 SR |
629 | static struct zebra_evpn_access_bd * |
630 | zebra_evpn_acc_bd_alloc_on_ref(vlanid_t vid, struct interface *br_if) | |
631 | { | |
632 | struct zebra_evpn_access_bd *acc_bd = NULL; | |
633 | ||
634 | assert(br_if && br_if->info); | |
635 | acc_bd = zebra_evpn_acc_vl_new(vid, br_if); | |
636 | if (acc_bd) | |
637 | /* Add this access_bd to bridge hash table */ | |
638 | zebra_l2_bridge_if_vlan_access_bd_ref(acc_bd); | |
639 | ||
640 | return acc_bd; | |
641 | } | |
642 | ||
243b74ed AK |
643 | /* called when a SVI is goes up/down */ |
644 | void zebra_evpn_acc_bd_svi_set(struct zebra_if *vlan_zif, | |
645 | struct zebra_if *br_zif, bool is_up) | |
646 | { | |
647 | struct zebra_evpn_access_bd *acc_bd; | |
243b74ed AK |
648 | uint16_t vid; |
649 | struct zebra_if *tmp_br_zif = br_zif; | |
650 | ||
651 | if (!tmp_br_zif) { | |
3b63732a | 652 | if (!vlan_zif->link || !vlan_zif->link->info) |
243b74ed AK |
653 | return; |
654 | ||
655 | tmp_br_zif = vlan_zif->link->info; | |
656 | } | |
657 | ||
243b74ed | 658 | /* ignore vlan unaware bridges */ |
784d88aa | 659 | if (!IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(tmp_br_zif)) |
243b74ed AK |
660 | return; |
661 | ||
662 | vid = vlan_zif->l2info.vl.vid; | |
239b26f9 | 663 | acc_bd = zebra_evpn_acc_vl_find(vid, tmp_br_zif->ifp); |
243b74ed AK |
664 | if (!acc_bd) |
665 | return; | |
666 | ||
667 | if (is_up) { | |
668 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
669 | zlog_debug("vlan %d bridge %s SVI %s set", vid, |
670 | tmp_br_zif->ifp->name, vlan_zif->ifp->name); | |
243b74ed AK |
671 | |
672 | acc_bd->vlan_zif = vlan_zif; | |
673 | if (acc_bd->zevpn) | |
674 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
675 | acc_bd->zevpn); | |
676 | } else if (acc_bd->vlan_zif) { | |
677 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
678 | zlog_debug("vlan %d bridge %s SVI clear", vid, |
679 | tmp_br_zif->ifp->name); | |
243b74ed AK |
680 | acc_bd->vlan_zif = NULL; |
681 | if (acc_bd->zevpn && acc_bd->zevpn->mac_table) | |
682 | zebra_evpn_mac_svi_del(vlan_zif->ifp, acc_bd->zevpn); | |
683 | } | |
684 | } | |
685 | ||
686 | /* On some events macs are force-flushed. This api can be used to reinstate | |
687 | * the svi-mac after such cleanup-events. | |
688 | */ | |
689 | void zebra_evpn_acc_bd_svi_mac_add(struct interface *vlan_if) | |
690 | { | |
691 | zebra_evpn_acc_bd_svi_set(vlan_if->info, NULL, | |
692 | if_is_operative(vlan_if)); | |
693 | } | |
694 | ||
ce5160c0 | 695 | /* called when a EVPN-L2VNI is set or cleared against a BD */ |
87d76d54 | 696 | static void zebra_evpn_acc_bd_evpn_set(struct zebra_evpn_access_bd *acc_bd, |
f6371c34 DS |
697 | struct zebra_evpn *zevpn, |
698 | struct zebra_evpn *old_zevpn) | |
ce5160c0 AK |
699 | { |
700 | struct zebra_if *zif; | |
701 | struct listnode *node; | |
702 | ||
703 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
704 | zlog_debug("access vlan %d bridge %s l2-vni %u set", |
705 | acc_bd->vid, acc_bd->bridge_zif->ifp->name, | |
706 | zevpn ? zevpn->vni : 0); | |
ce5160c0 AK |
707 | |
708 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
709 | if (!zif->es_info.es) | |
710 | continue; | |
711 | ||
87d76d54 PR |
712 | if (zevpn) |
713 | zebra_evpn_local_es_evi_add(zif->es_info.es, zevpn); | |
714 | else if (old_zevpn) | |
715 | zebra_evpn_local_es_evi_del(zif->es_info.es, old_zevpn); | |
ce5160c0 | 716 | } |
243b74ed AK |
717 | |
718 | if (acc_bd->vlan_zif) { | |
719 | if (zevpn) | |
720 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, | |
721 | acc_bd->zevpn); | |
722 | else if (old_zevpn && old_zevpn->mac_table) | |
723 | zebra_evpn_mac_svi_del(acc_bd->vlan_zif->ifp, | |
724 | old_zevpn); | |
725 | } | |
ce5160c0 AK |
726 | } |
727 | ||
728 | /* handle VLAN->VxLAN_IF association */ | |
8d30ff3b SR |
729 | void zebra_evpn_vl_vxl_ref(uint16_t vid, vni_t vni_id, |
730 | struct zebra_if *vxlan_zif) | |
ce5160c0 | 731 | { |
8d30ff3b | 732 | vni_t old_vni; |
ce5160c0 | 733 | struct zebra_evpn_access_bd *acc_bd; |
f6371c34 | 734 | struct zebra_evpn *old_zevpn; |
239b26f9 | 735 | struct interface *br_if; |
ce5160c0 AK |
736 | |
737 | if (!vid) | |
738 | return; | |
739 | ||
8d30ff3b SR |
740 | if (!vni_id) |
741 | return; | |
742 | ||
239b26f9 SR |
743 | br_if = vxlan_zif->brslave_info.br_if; |
744 | ||
745 | if (!br_if) | |
746 | return; | |
747 | ||
748 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 | 749 | if (!acc_bd) |
239b26f9 | 750 | acc_bd = zebra_evpn_acc_bd_alloc_on_ref(vid, br_if); |
ce5160c0 | 751 | |
8d30ff3b SR |
752 | old_vni = acc_bd->vni; |
753 | ||
754 | if (vni_id == old_vni) | |
ce5160c0 AK |
755 | return; |
756 | ||
8d30ff3b SR |
757 | acc_bd->vni = vni_id; |
758 | acc_bd->vxlan_zif = vxlan_zif; | |
759 | ||
87d76d54 | 760 | old_zevpn = acc_bd->zevpn; |
8d30ff3b | 761 | acc_bd->zevpn = zebra_evpn_lookup(vni_id); |
87d76d54 | 762 | if (acc_bd->zevpn == old_zevpn) |
ce5160c0 AK |
763 | return; |
764 | ||
765 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
8d30ff3b SR |
766 | zlog_debug("access vlan %d vni %u ref", acc_bd->vid, vni_id); |
767 | ||
87d76d54 PR |
768 | if (old_zevpn) |
769 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 | 770 | |
87d76d54 PR |
771 | if (acc_bd->zevpn) |
772 | zebra_evpn_acc_bd_evpn_set(acc_bd, acc_bd->zevpn, NULL); | |
ce5160c0 AK |
773 | } |
774 | ||
775 | /* handle VLAN->VxLAN_IF deref */ | |
8d30ff3b SR |
776 | void zebra_evpn_vl_vxl_deref(uint16_t vid, vni_t vni_id, |
777 | struct zebra_if *vxlan_zif) | |
ce5160c0 | 778 | { |
239b26f9 | 779 | struct interface *br_if; |
ce5160c0 AK |
780 | struct zebra_evpn_access_bd *acc_bd; |
781 | ||
782 | if (!vid) | |
783 | return; | |
784 | ||
8d30ff3b SR |
785 | if (!vni_id) |
786 | return; | |
787 | ||
239b26f9 SR |
788 | br_if = vxlan_zif->brslave_info.br_if; |
789 | if (!br_if) | |
790 | return; | |
791 | ||
792 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 AK |
793 | if (!acc_bd) |
794 | return; | |
795 | ||
796 | /* clear vxlan_if only if it matches */ | |
8d30ff3b | 797 | if (acc_bd->vni != vni_id) |
ce5160c0 AK |
798 | return; |
799 | ||
800 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
801 | zlog_debug("access vlan %d bridge %s vni %u deref", acc_bd->vid, |
802 | br_if->name, vni_id); | |
ce5160c0 | 803 | |
87d76d54 PR |
804 | if (acc_bd->zevpn) |
805 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, acc_bd->zevpn); | |
ce5160c0 | 806 | |
87d76d54 | 807 | acc_bd->zevpn = NULL; |
ce5160c0 | 808 | acc_bd->vxlan_zif = NULL; |
8d30ff3b | 809 | acc_bd->vni = 0; |
ce5160c0 AK |
810 | |
811 | /* if there are no other references the access_bd can be freed */ | |
812 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
813 | } | |
814 | ||
239b26f9 SR |
815 | /* handle BridgeIf<->AccessBD cleanup */ |
816 | void zebra_evpn_access_bd_bridge_cleanup(vlanid_t vid, struct interface *br_if, | |
817 | struct zebra_evpn_access_bd *acc_bd) | |
818 | { | |
819 | struct zebra_evpn *zevpn; | |
820 | ||
821 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
822 | zlog_debug("access bd vlan %d bridge %s cleanup", acc_bd->vid, | |
823 | br_if->name); | |
824 | ||
825 | zevpn = acc_bd->zevpn; | |
826 | if (zevpn) | |
827 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, zevpn); | |
828 | ||
829 | /* cleanup resources maintained against the ES */ | |
830 | list_delete_all_node(acc_bd->mbr_zifs); | |
831 | ||
832 | acc_bd->zevpn = NULL; | |
833 | acc_bd->vxlan_zif = NULL; | |
834 | acc_bd->vni = 0; | |
835 | acc_bd->bridge_zif = NULL; | |
836 | ||
837 | /* if there are no other references the access_bd can be freed */ | |
838 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
839 | } | |
840 | ||
87d76d54 | 841 | /* handle EVPN add/del */ |
f6371c34 DS |
842 | void zebra_evpn_vxl_evpn_set(struct zebra_if *zif, struct zebra_evpn *zevpn, |
843 | bool set) | |
ce5160c0 | 844 | { |
239b26f9 | 845 | struct interface *br_if; |
8d30ff3b | 846 | struct zebra_vxlan_vni *vni; |
ce5160c0 AK |
847 | struct zebra_evpn_access_bd *acc_bd; |
848 | ||
849 | if (!zif) | |
850 | return; | |
851 | ||
852 | /* locate access_bd associated with the vxlan device */ | |
8d30ff3b SR |
853 | vni = zebra_vxlan_if_vni_find(zif, zevpn->vni); |
854 | if (!vni) | |
855 | return; | |
856 | ||
239b26f9 SR |
857 | br_if = zif->brslave_info.br_if; |
858 | if (!br_if) | |
859 | return; | |
860 | ||
861 | acc_bd = zebra_evpn_acc_vl_find(vni->access_vlan, br_if); | |
ce5160c0 AK |
862 | if (!acc_bd) |
863 | return; | |
864 | ||
865 | if (set) { | |
87d76d54 PR |
866 | zebra_evpn_es_set_base_evpn(zevpn); |
867 | if (acc_bd->zevpn != zevpn) { | |
868 | acc_bd->zevpn = zevpn; | |
869 | zebra_evpn_acc_bd_evpn_set(acc_bd, zevpn, NULL); | |
ce5160c0 AK |
870 | } |
871 | } else { | |
87d76d54 | 872 | if (acc_bd->zevpn) { |
f6371c34 | 873 | struct zebra_evpn *old_zevpn = acc_bd->zevpn; |
87d76d54 PR |
874 | acc_bd->zevpn = NULL; |
875 | zebra_evpn_acc_bd_evpn_set(acc_bd, NULL, old_zevpn); | |
ce5160c0 AK |
876 | } |
877 | } | |
878 | } | |
879 | ||
880 | /* handle addition of new VLAN members */ | |
881 | void zebra_evpn_vl_mbr_ref(uint16_t vid, struct zebra_if *zif) | |
882 | { | |
239b26f9 | 883 | struct interface *br_if; |
ce5160c0 AK |
884 | struct zebra_evpn_access_bd *acc_bd; |
885 | ||
886 | if (!vid) | |
887 | return; | |
888 | ||
239b26f9 SR |
889 | br_if = zif->brslave_info.br_if; |
890 | if (!br_if) | |
891 | return; | |
892 | ||
893 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 | 894 | if (!acc_bd) |
239b26f9 | 895 | acc_bd = zebra_evpn_acc_bd_alloc_on_ref(vid, br_if); |
ce5160c0 AK |
896 | |
897 | if (listnode_lookup(acc_bd->mbr_zifs, zif)) | |
898 | return; | |
899 | ||
900 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
901 | zlog_debug("access vlan %d bridge %s mbr %s ref", vid, |
902 | br_if->name, zif->ifp->name); | |
ce5160c0 AK |
903 | |
904 | listnode_add(acc_bd->mbr_zifs, zif); | |
87d76d54 PR |
905 | if (acc_bd->zevpn && zif->es_info.es) |
906 | zebra_evpn_local_es_evi_add(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
907 | } |
908 | ||
909 | /* handle deletion of VLAN members */ | |
910 | void zebra_evpn_vl_mbr_deref(uint16_t vid, struct zebra_if *zif) | |
911 | { | |
239b26f9 | 912 | struct interface *br_if; |
ce5160c0 AK |
913 | struct zebra_evpn_access_bd *acc_bd; |
914 | struct listnode *node; | |
915 | ||
916 | if (!vid) | |
917 | return; | |
918 | ||
239b26f9 SR |
919 | br_if = zif->brslave_info.br_if; |
920 | if (!br_if) | |
921 | return; | |
922 | ||
923 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); | |
ce5160c0 AK |
924 | if (!acc_bd) |
925 | return; | |
926 | ||
927 | node = listnode_lookup(acc_bd->mbr_zifs, zif); | |
928 | if (!node) | |
929 | return; | |
930 | ||
931 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
239b26f9 SR |
932 | zlog_debug("access vlan %d bridge %s mbr %s deref", vid, |
933 | br_if->name, zif->ifp->name); | |
ce5160c0 AK |
934 | |
935 | list_delete_node(acc_bd->mbr_zifs, node); | |
936 | ||
87d76d54 PR |
937 | if (acc_bd->zevpn && zif->es_info.es) |
938 | zebra_evpn_local_es_evi_del(zif->es_info.es, acc_bd->zevpn); | |
ce5160c0 AK |
939 | |
940 | /* if there are no other references the access_bd can be freed */ | |
941 | zebra_evpn_acc_bd_free_on_deref(acc_bd); | |
942 | } | |
943 | ||
243b74ed AK |
944 | static void zebra_evpn_acc_vl_adv_svi_mac_cb(struct hash_bucket *bucket, |
945 | void *ctxt) | |
946 | { | |
947 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
948 | ||
949 | if (acc_bd->vlan_zif && acc_bd->zevpn) | |
950 | zebra_evpn_mac_svi_add(acc_bd->vlan_zif->ifp, acc_bd->zevpn); | |
951 | } | |
952 | ||
953 | /* called when advertise SVI MAC is enabled on the switch */ | |
954 | static void zebra_evpn_acc_vl_adv_svi_mac_all(void) | |
955 | { | |
956 | hash_iterate(zmh_info->evpn_vlan_table, | |
957 | zebra_evpn_acc_vl_adv_svi_mac_cb, NULL); | |
958 | } | |
959 | ||
acffa256 AK |
960 | static void zebra_evpn_acc_vl_json_fill(struct zebra_evpn_access_bd *acc_bd, |
961 | json_object *json, bool detail) | |
962 | { | |
963 | json_object_int_add(json, "vlan", acc_bd->vid); | |
964 | if (acc_bd->vxlan_zif) | |
965 | json_object_string_add(json, "vxlanIf", | |
966 | acc_bd->vxlan_zif->ifp->name); | |
967 | if (acc_bd->zevpn) | |
968 | json_object_int_add(json, "vni", acc_bd->zevpn->vni); | |
969 | if (acc_bd->mbr_zifs) | |
970 | json_object_int_add(json, "memberIfCount", | |
971 | listcount(acc_bd->mbr_zifs)); | |
972 | ||
973 | if (detail) { | |
974 | json_object *json_mbrs; | |
975 | json_object *json_mbr; | |
976 | struct zebra_if *zif; | |
977 | struct listnode *node; | |
978 | ||
979 | ||
980 | json_mbrs = json_object_new_array(); | |
981 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) { | |
982 | json_mbr = json_object_new_object(); | |
983 | json_object_string_add(json_mbr, "ifName", | |
984 | zif->ifp->name); | |
985 | json_object_array_add(json_mbrs, json_mbr); | |
986 | } | |
987 | json_object_object_add(json, "members", json_mbrs); | |
988 | } | |
989 | } | |
990 | ||
ce5160c0 AK |
991 | static void zebra_evpn_acc_vl_show_entry_detail(struct vty *vty, |
992 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
993 | { | |
994 | struct zebra_if *zif; | |
995 | struct listnode *node; | |
996 | ||
997 | if (json) { | |
acffa256 | 998 | zebra_evpn_acc_vl_json_fill(acc_bd, json, true); |
ce5160c0 | 999 | } else { |
239b26f9 SR |
1000 | vty_out(vty, "VLAN: %s.%u\n", acc_bd->bridge_zif->ifp->name, |
1001 | acc_bd->vid); | |
ce5160c0 AK |
1002 | vty_out(vty, " VxLAN Interface: %s\n", |
1003 | acc_bd->vxlan_zif ? | |
1004 | acc_bd->vxlan_zif->ifp->name : "-"); | |
243b74ed AK |
1005 | vty_out(vty, " SVI: %s\n", |
1006 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-"); | |
239b26f9 SR |
1007 | if (acc_bd->zevpn) |
1008 | vty_out(vty, " L2-VNI: %d\n", acc_bd->zevpn->vni); | |
1009 | else { | |
1010 | vty_out(vty, " L2-VNI: 0\n"); | |
1011 | vty_out(vty, " L3-VNI: %d\n", acc_bd->vni); | |
1012 | } | |
ce5160c0 AK |
1013 | vty_out(vty, " Member Count: %d\n", |
1014 | listcount(acc_bd->mbr_zifs)); | |
1015 | vty_out(vty, " Members: \n"); | |
1016 | for (ALL_LIST_ELEMENTS_RO(acc_bd->mbr_zifs, node, zif)) | |
1017 | vty_out(vty, " %s\n", zif->ifp->name); | |
1018 | vty_out(vty, "\n"); | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | static void zebra_evpn_acc_vl_show_entry(struct vty *vty, | |
1023 | struct zebra_evpn_access_bd *acc_bd, json_object *json) | |
1024 | { | |
acffa256 AK |
1025 | if (json) { |
1026 | zebra_evpn_acc_vl_json_fill(acc_bd, json, false); | |
1027 | } else { | |
239b26f9 SR |
1028 | vty_out(vty, "%-5s.%-5u %-15s %-8d %-15s %u\n", |
1029 | acc_bd->bridge_zif->ifp->name, acc_bd->vid, | |
243b74ed AK |
1030 | acc_bd->vlan_zif ? acc_bd->vlan_zif->ifp->name : "-", |
1031 | acc_bd->zevpn ? acc_bd->zevpn->vni : 0, | |
1032 | acc_bd->vxlan_zif ? acc_bd->vxlan_zif->ifp->name : "-", | |
1033 | listcount(acc_bd->mbr_zifs)); | |
acffa256 | 1034 | } |
ce5160c0 AK |
1035 | } |
1036 | ||
1037 | static void zebra_evpn_acc_vl_show_hash(struct hash_bucket *bucket, void *ctxt) | |
1038 | { | |
1039 | struct evpn_mh_show_ctx *wctx = ctxt; | |
1040 | struct zebra_evpn_access_bd *acc_bd = bucket->data; | |
acffa256 | 1041 | json_object *json = NULL; |
ce5160c0 | 1042 | |
acffa256 AK |
1043 | if (wctx->json) |
1044 | json = json_object_new_object(); | |
ce5160c0 | 1045 | if (wctx->detail) |
acffa256 | 1046 | zebra_evpn_acc_vl_show_entry_detail(wctx->vty, acc_bd, json); |
ce5160c0 | 1047 | else |
acffa256 AK |
1048 | zebra_evpn_acc_vl_show_entry(wctx->vty, acc_bd, json); |
1049 | if (json) | |
1050 | json_object_array_add(wctx->json, json); | |
ce5160c0 AK |
1051 | } |
1052 | ||
1053 | void zebra_evpn_acc_vl_show(struct vty *vty, bool uj) | |
1054 | { | |
ce5160c0 | 1055 | struct evpn_mh_show_ctx wctx; |
acffa256 AK |
1056 | json_object *json_array = NULL; |
1057 | ||
1058 | if (uj) | |
1059 | json_array = json_object_new_array(); | |
ce5160c0 AK |
1060 | |
1061 | memset(&wctx, 0, sizeof(wctx)); | |
1062 | wctx.vty = vty; | |
acffa256 | 1063 | wctx.json = json_array; |
ce5160c0 AK |
1064 | wctx.detail = false; |
1065 | ||
acffa256 | 1066 | if (!uj) |
239b26f9 | 1067 | vty_out(vty, "%-12s %-15s %-8s %-15s %s\n", "VLAN", "SVI", |
243b74ed | 1068 | "L2-VNI", "VXLAN-IF", "# Members"); |
ce5160c0 AK |
1069 | |
1070 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1071 | &wctx); | |
acffa256 | 1072 | |
c48349e3 | 1073 | if (uj) |
962af8a8 | 1074 | vty_json(vty, json_array); |
ce5160c0 AK |
1075 | } |
1076 | ||
1077 | void zebra_evpn_acc_vl_show_detail(struct vty *vty, bool uj) | |
1078 | { | |
ce5160c0 | 1079 | struct evpn_mh_show_ctx wctx; |
acffa256 | 1080 | json_object *json_array = NULL; |
ce5160c0 | 1081 | |
acffa256 AK |
1082 | if (uj) |
1083 | json_array = json_object_new_array(); | |
ce5160c0 AK |
1084 | memset(&wctx, 0, sizeof(wctx)); |
1085 | wctx.vty = vty; | |
acffa256 | 1086 | wctx.json = json_array; |
ce5160c0 AK |
1087 | wctx.detail = true; |
1088 | ||
1089 | hash_iterate(zmh_info->evpn_vlan_table, zebra_evpn_acc_vl_show_hash, | |
1090 | &wctx); | |
acffa256 | 1091 | |
c48349e3 | 1092 | if (uj) |
962af8a8 | 1093 | vty_json(vty, json_array); |
ce5160c0 AK |
1094 | } |
1095 | ||
239b26f9 SR |
1096 | void zebra_evpn_acc_vl_show_vid(struct vty *vty, bool uj, vlanid_t vid, |
1097 | struct interface *br_if) | |
ce5160c0 AK |
1098 | { |
1099 | json_object *json = NULL; | |
1100 | struct zebra_evpn_access_bd *acc_bd; | |
1101 | ||
acffa256 AK |
1102 | if (uj) |
1103 | json = json_object_new_object(); | |
1104 | ||
239b26f9 | 1105 | acc_bd = zebra_evpn_acc_vl_find(vid, br_if); |
acffa256 AK |
1106 | if (acc_bd) { |
1107 | zebra_evpn_acc_vl_show_entry_detail(vty, acc_bd, json); | |
1108 | } else { | |
1109 | if (!json) | |
239b26f9 SR |
1110 | vty_out(vty, "VLAN %s.%u not present\n", br_if->name, |
1111 | vid); | |
ce5160c0 | 1112 | } |
acffa256 | 1113 | |
c48349e3 | 1114 | if (uj) |
962af8a8 | 1115 | vty_json(vty, json); |
ce5160c0 AK |
1116 | } |
1117 | ||
1118 | /* Initialize VLAN member bitmap on an interface. Although VLAN membership | |
1119 | * is independent of EVPN we only process it if its of interest to EVPN-MH | |
1120 | * i.e. on access ports that can be setup as Ethernet Segments. And that is | |
1121 | * intended as an optimization. | |
1122 | */ | |
1123 | void zebra_evpn_if_init(struct zebra_if *zif) | |
1124 | { | |
1125 | if (!zebra_evpn_is_if_es_capable(zif)) | |
1126 | return; | |
1127 | ||
1128 | if (!bf_is_inited(zif->vlan_bitmap)) | |
1129 | bf_init(zif->vlan_bitmap, IF_VLAN_BITMAP_MAX); | |
1130 | ||
1131 | /* if an es_id and sysmac are already present against the interface | |
1132 | * activate it | |
1133 | */ | |
325d694b | 1134 | zebra_evpn_local_es_update(zif, &zif->es_info.esi); |
ce5160c0 AK |
1135 | } |
1136 | ||
1137 | /* handle deletion of an access port by removing it from all associated | |
1138 | * broadcast domains. | |
1139 | */ | |
1140 | void zebra_evpn_if_cleanup(struct zebra_if *zif) | |
1141 | { | |
1142 | vlanid_t vid; | |
ab06b033 | 1143 | struct zebra_evpn_es *es; |
ce5160c0 | 1144 | |
6e59c4a7 AK |
1145 | if (bf_is_inited(zif->vlan_bitmap)) { |
1146 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) | |
1147 | { | |
1148 | zebra_evpn_vl_mbr_deref(vid, zif); | |
1149 | } | |
ce5160c0 | 1150 | |
6e59c4a7 | 1151 | bf_free(zif->vlan_bitmap); |
ce5160c0 AK |
1152 | } |
1153 | ||
ce5160c0 | 1154 | /* Delete associated Ethernet Segment */ |
ab06b033 AK |
1155 | es = zif->es_info.es; |
1156 | if (es) | |
1157 | zebra_evpn_local_es_del(&es); | |
ce5160c0 AK |
1158 | } |
1159 | ||
1160 | /***************************************************************************** | |
1161 | * L2 NH/NHG Management | |
1162 | * A L2 NH entry is programmed in the kernel for every ES-VTEP entry. This | |
1163 | * NH is then added to the L2-ECMP-NHG associated with the ES. | |
1164 | */ | |
15400f95 | 1165 | static uint32_t zebra_evpn_nhid_alloc(struct zebra_evpn_es *es) |
ce5160c0 AK |
1166 | { |
1167 | uint32_t id; | |
15400f95 | 1168 | uint32_t nh_id; |
ce5160c0 AK |
1169 | |
1170 | bf_assign_index(zmh_info->nh_id_bitmap, id); | |
1171 | ||
1172 | if (!id) | |
1173 | return 0; | |
1174 | ||
15400f95 AK |
1175 | if (es) { |
1176 | nh_id = id | EVPN_NHG_ID_TYPE_BIT; | |
1177 | /* Add to NHG hash */ | |
1178 | es->nhg_id = nh_id; | |
8e3aae66 | 1179 | (void)hash_get(zmh_info->nhg_table, es, hash_alloc_intern); |
15400f95 AK |
1180 | } else { |
1181 | nh_id = id | EVPN_NH_ID_TYPE_BIT; | |
1182 | } | |
1183 | ||
1184 | return nh_id; | |
ce5160c0 AK |
1185 | } |
1186 | ||
15400f95 | 1187 | static void zebra_evpn_nhid_free(uint32_t nh_id, struct zebra_evpn_es *es) |
ce5160c0 AK |
1188 | { |
1189 | uint32_t id = (nh_id & EVPN_NH_ID_VAL_MASK); | |
1190 | ||
1191 | if (!id) | |
1192 | return; | |
1193 | ||
15400f95 AK |
1194 | if (es) { |
1195 | hash_release(zmh_info->nhg_table, es); | |
1196 | es->nhg_id = 0; | |
1197 | } | |
1198 | ||
ce5160c0 AK |
1199 | bf_release_index(zmh_info->nh_id_bitmap, id); |
1200 | } | |
1201 | ||
5de10c37 AK |
1202 | static unsigned int zebra_evpn_nh_ip_hash_keymake(const void *p) |
1203 | { | |
1204 | const struct zebra_evpn_l2_nh *nh = p; | |
1205 | ||
1206 | return jhash_1word(nh->vtep_ip.s_addr, 0); | |
1207 | } | |
1208 | ||
1209 | static bool zebra_evpn_nh_ip_cmp(const void *p1, const void *p2) | |
1210 | { | |
1211 | const struct zebra_evpn_l2_nh *nh1 = p1; | |
1212 | const struct zebra_evpn_l2_nh *nh2 = p2; | |
1213 | ||
1214 | if (nh1 == NULL && nh2 == NULL) | |
1215 | return true; | |
1216 | ||
1217 | if (nh1 == NULL || nh2 == NULL) | |
1218 | return false; | |
1219 | ||
1220 | return (nh1->vtep_ip.s_addr == nh2->vtep_ip.s_addr); | |
1221 | } | |
1222 | ||
15400f95 AK |
1223 | static unsigned int zebra_evpn_nhg_hash_keymake(const void *p) |
1224 | { | |
1225 | const struct zebra_evpn_es *es = p; | |
1226 | ||
1227 | return jhash_1word(es->nhg_id, 0); | |
1228 | } | |
1229 | ||
1230 | static bool zebra_evpn_nhg_cmp(const void *p1, const void *p2) | |
1231 | { | |
1232 | const struct zebra_evpn_es *es1 = p1; | |
1233 | const struct zebra_evpn_es *es2 = p2; | |
1234 | ||
1235 | if (es1 == NULL && es2 == NULL) | |
1236 | return true; | |
1237 | ||
1238 | if (es1 == NULL || es2 == NULL) | |
1239 | return false; | |
1240 | ||
1241 | return (es1->nhg_id == es2->nhg_id); | |
1242 | } | |
1243 | ||
1244 | /* Lookup ES using the NHG id associated with it */ | |
1245 | static struct zebra_evpn_es *zebra_evpn_nhg_find(uint32_t nhg_id) | |
1246 | { | |
1247 | struct zebra_evpn_es *es; | |
1248 | struct zebra_evpn_es tmp; | |
1249 | ||
1250 | tmp.nhg_id = nhg_id; | |
1251 | es = hash_lookup(zmh_info->nhg_table, &tmp); | |
1252 | ||
1253 | return es; | |
1254 | } | |
1255 | ||
1256 | /* Returns TRUE if the NHG is associated with a local ES */ | |
1257 | bool zebra_evpn_nhg_is_local_es(uint32_t nhg_id, | |
1258 | struct zebra_evpn_es **local_es) | |
1259 | { | |
1260 | struct zebra_evpn_es *es; | |
1261 | ||
1262 | es = zebra_evpn_nhg_find(nhg_id); | |
1263 | if (es && (es->flags & ZEBRA_EVPNES_LOCAL)) { | |
1264 | *local_es = es; | |
1265 | return true; | |
1266 | } | |
1267 | ||
1268 | *local_es = NULL; | |
1269 | return false; | |
1270 | } | |
1271 | ||
f3722826 AK |
1272 | /* update remote macs associated with the ES */ |
1273 | static void zebra_evpn_nhg_mac_update(struct zebra_evpn_es *es) | |
1274 | { | |
3198b2b3 | 1275 | struct zebra_mac *mac; |
f3722826 | 1276 | struct listnode *node; |
15400f95 | 1277 | bool local_via_nw; |
f3722826 | 1278 | |
15400f95 AK |
1279 | local_via_nw = zebra_evpn_es_local_mac_via_network_port(es); |
1280 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1281 | zlog_debug("mac update on es %s nhg %s", es->esi_str, | |
1282 | (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1283 | ? "activate" | |
1284 | : "de-activate"); | |
f3722826 | 1285 | |
15400f95 AK |
1286 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { |
1287 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
1288 | || (local_via_nw && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
1289 | && zebra_evpn_mac_is_static(mac))) { | |
1290 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1291 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1292 | zlog_debug( | |
1293 | "%smac %pEA install via es %s nhg 0x%x", | |
1294 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1295 | ? "rem" | |
1296 | : "local-nw", | |
1297 | &mac->macaddr, es->esi_str, | |
1298 | es->nhg_id); | |
1299 | zebra_evpn_rem_mac_install( | |
1300 | mac->zevpn, mac, false /*was_static*/); | |
1301 | } else { | |
1302 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
1303 | zlog_debug( | |
1304 | "%smac %pEA un-install es %s", | |
1305 | (mac->flags & ZEBRA_MAC_REMOTE) | |
1306 | ? "rem" | |
1307 | : "local-nw", | |
1308 | &mac->macaddr, es->esi_str); | |
1309 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
1310 | true /*force*/); | |
1311 | } | |
1312 | } | |
f3722826 AK |
1313 | } |
1314 | } | |
1315 | ||
ce5160c0 AK |
1316 | /* The MAC ECMP group is activated on the first VTEP */ |
1317 | static void zebra_evpn_nhg_update(struct zebra_evpn_es *es) | |
1318 | { | |
1319 | uint32_t nh_cnt = 0; | |
1320 | struct nh_grp nh_ids[ES_VTEP_MAX_CNT]; | |
1321 | struct zebra_evpn_es_vtep *es_vtep; | |
1322 | struct listnode *node; | |
1323 | ||
1324 | if (!es->nhg_id) | |
1325 | return; | |
1326 | ||
1327 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
5de10c37 | 1328 | if (!es_vtep->nh) |
ce5160c0 AK |
1329 | continue; |
1330 | ||
1331 | if (nh_cnt >= ES_VTEP_MAX_CNT) | |
1332 | break; | |
1333 | ||
1334 | memset(&nh_ids[nh_cnt], 0, sizeof(struct nh_grp)); | |
5de10c37 | 1335 | nh_ids[nh_cnt].id = es_vtep->nh->nh_id; |
ce5160c0 AK |
1336 | ++nh_cnt; |
1337 | } | |
1338 | ||
1339 | if (nh_cnt) { | |
1340 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) { | |
1341 | char nh_str[ES_VTEP_LIST_STR_SZ]; | |
1342 | uint32_t i; | |
9e0c2fd1 | 1343 | char nh_buf[16]; |
ce5160c0 AK |
1344 | |
1345 | nh_str[0] = '\0'; | |
9e0c2fd1 AK |
1346 | for (i = 0; i < nh_cnt; ++i) { |
1347 | snprintf(nh_buf, sizeof(nh_buf), "%u ", | |
1348 | nh_ids[i].id); | |
1349 | strlcat(nh_str, nh_buf, sizeof(nh_str)); | |
1350 | } | |
dfa3d3d7 AK |
1351 | zlog_debug("es %s nhg %u add %s", es->esi_str, |
1352 | es->nhg_id, nh_str); | |
ce5160c0 AK |
1353 | } |
1354 | ||
ce5160c0 | 1355 | kernel_upd_mac_nhg(es->nhg_id, nh_cnt, nh_ids); |
28e80a03 AK |
1356 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) { |
1357 | es->flags |= ZEBRA_EVPNES_NHG_ACTIVE; | |
1358 | /* add backup NHG to the br-port */ | |
1359 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1360 | zebra_evpn_es_br_port_dplane_update(es, | |
1361 | __func__); | |
f3722826 | 1362 | zebra_evpn_nhg_mac_update(es); |
28e80a03 | 1363 | } |
ce5160c0 AK |
1364 | } else { |
1365 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1366 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
dfa3d3d7 AK |
1367 | zlog_debug("es %s nhg %u del", es->esi_str, |
1368 | es->nhg_id); | |
ce5160c0 | 1369 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; |
28e80a03 AK |
1370 | /* remove backup NHG from the br-port */ |
1371 | if ((es->flags & ZEBRA_EVPNES_LOCAL)) | |
1372 | zebra_evpn_es_br_port_dplane_update(es, | |
1373 | __func__); | |
f3722826 | 1374 | zebra_evpn_nhg_mac_update(es); |
ce5160c0 AK |
1375 | kernel_del_mac_nhg(es->nhg_id); |
1376 | } | |
1377 | } | |
1378 | ||
ce5160c0 AK |
1379 | } |
1380 | ||
5de10c37 AK |
1381 | static void zebra_evpn_es_l2_nh_show_entry(struct zebra_evpn_l2_nh *nh, |
1382 | struct vty *vty, | |
1383 | json_object *json_array) | |
ce5160c0 | 1384 | { |
5de10c37 AK |
1385 | if (json_array) { |
1386 | json_object *json = NULL; | |
5de10c37 AK |
1387 | |
1388 | json = json_object_new_object(); | |
08edf9c6 | 1389 | json_object_string_addf(json, "vtep", "%pI4", &nh->vtep_ip); |
5de10c37 AK |
1390 | json_object_int_add(json, "nhId", nh->nh_id); |
1391 | json_object_int_add(json, "refCnt", nh->ref_cnt); | |
1392 | ||
1393 | json_object_array_add(json_array, json); | |
1394 | } else { | |
1395 | vty_out(vty, "%-16pI4 %-10u %u\n", &nh->vtep_ip, nh->nh_id, | |
1396 | nh->ref_cnt); | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | static void zebra_evpn_l2_nh_show_cb(struct hash_bucket *bucket, void *ctxt) | |
1401 | { | |
1402 | struct zebra_evpn_l2_nh *nh = (struct zebra_evpn_l2_nh *)bucket->data; | |
1403 | struct evpn_mh_show_ctx *wctx = (struct evpn_mh_show_ctx *)ctxt; | |
1404 | ||
1405 | zebra_evpn_es_l2_nh_show_entry(nh, wctx->vty, wctx->json); | |
1406 | } | |
1407 | ||
1408 | void zebra_evpn_l2_nh_show(struct vty *vty, bool uj) | |
1409 | { | |
1410 | struct evpn_mh_show_ctx wctx; | |
1411 | json_object *json_array = NULL; | |
1412 | ||
1413 | if (uj) { | |
1414 | json_array = json_object_new_array(); | |
1415 | } else { | |
1416 | vty_out(vty, "%-16s %-10s %s\n", "VTEP", "NH id", "#ES"); | |
1417 | } | |
1418 | ||
1419 | memset(&wctx, 0, sizeof(wctx)); | |
1420 | wctx.vty = vty; | |
1421 | wctx.json = json_array; | |
1422 | ||
1423 | hash_iterate(zmh_info->nh_ip_table, zebra_evpn_l2_nh_show_cb, &wctx); | |
1424 | ||
c48349e3 | 1425 | if (uj) |
962af8a8 | 1426 | vty_json(vty, json_array); |
5de10c37 AK |
1427 | } |
1428 | ||
1429 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_find(struct in_addr vtep_ip) | |
1430 | { | |
1431 | struct zebra_evpn_l2_nh *nh; | |
1432 | struct zebra_evpn_l2_nh tmp; | |
1433 | ||
1434 | tmp.vtep_ip.s_addr = vtep_ip.s_addr; | |
1435 | nh = hash_lookup(zmh_info->nh_ip_table, &tmp); | |
1436 | ||
1437 | return nh; | |
1438 | } | |
1439 | ||
1440 | static struct zebra_evpn_l2_nh *zebra_evpn_l2_nh_alloc(struct in_addr vtep_ip) | |
1441 | { | |
1442 | struct zebra_evpn_l2_nh *nh; | |
1443 | ||
1444 | nh = XCALLOC(MTYPE_L2_NH, sizeof(*nh)); | |
1445 | nh->vtep_ip = vtep_ip; | |
8e3aae66 | 1446 | (void)hash_get(zmh_info->nh_ip_table, nh, hash_alloc_intern); |
5de10c37 AK |
1447 | |
1448 | nh->nh_id = zebra_evpn_nhid_alloc(NULL); | |
1449 | if (!nh->nh_id) { | |
1450 | hash_release(zmh_info->nh_ip_table, nh); | |
1451 | XFREE(MTYPE_L2_NH, nh); | |
1452 | return NULL; | |
1453 | } | |
1454 | ||
1455 | /* install the NH in the dataplane */ | |
1456 | kernel_upd_mac_nh(nh->nh_id, nh->vtep_ip); | |
1457 | ||
1458 | return nh; | |
1459 | } | |
1460 | ||
1461 | static void zebra_evpn_l2_nh_free(struct zebra_evpn_l2_nh *nh) | |
1462 | { | |
1463 | /* delete the NH from the dataplane */ | |
1464 | kernel_del_mac_nh(nh->nh_id); | |
1465 | ||
1466 | zebra_evpn_nhid_free(nh->nh_id, NULL); | |
1467 | hash_release(zmh_info->nh_ip_table, nh); | |
1468 | XFREE(MTYPE_L2_NH, nh); | |
1469 | } | |
1470 | ||
1471 | static void zebra_evpn_l2_nh_es_vtep_ref(struct zebra_evpn_es_vtep *es_vtep) | |
1472 | { | |
1473 | if (es_vtep->nh) | |
ce5160c0 AK |
1474 | return; |
1475 | ||
5de10c37 AK |
1476 | es_vtep->nh = zebra_evpn_l2_nh_find(es_vtep->vtep_ip); |
1477 | if (!es_vtep->nh) | |
1478 | es_vtep->nh = zebra_evpn_l2_nh_alloc(es_vtep->vtep_ip); | |
ce5160c0 | 1479 | |
5de10c37 AK |
1480 | if (!es_vtep->nh) { |
1481 | zlog_warn("es %s vtep %pI4 nh ref failed", es_vtep->es->esi_str, | |
1482 | &es_vtep->vtep_ip); | |
ce5160c0 | 1483 | return; |
5de10c37 AK |
1484 | } |
1485 | ||
1486 | ++es_vtep->nh->ref_cnt; | |
ce5160c0 AK |
1487 | |
1488 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) | |
5de10c37 AK |
1489 | zlog_debug("es %s vtep %pI4 nh %u ref %u", es_vtep->es->esi_str, |
1490 | &es_vtep->vtep_ip, es_vtep->nh->nh_id, | |
1491 | es_vtep->nh->ref_cnt); | |
1492 | ||
ce5160c0 AK |
1493 | /* add the NH to the parent NHG */ |
1494 | zebra_evpn_nhg_update(es_vtep->es); | |
1495 | } | |
1496 | ||
5de10c37 | 1497 | static void zebra_evpn_l2_nh_es_vtep_deref(struct zebra_evpn_es_vtep *es_vtep) |
ce5160c0 | 1498 | { |
5de10c37 | 1499 | struct zebra_evpn_l2_nh *nh = es_vtep->nh; |
ce5160c0 | 1500 | |
5de10c37 | 1501 | if (!nh) |
ce5160c0 AK |
1502 | return; |
1503 | ||
5de10c37 AK |
1504 | es_vtep->nh = NULL; |
1505 | if (nh->ref_cnt) | |
1506 | --nh->ref_cnt; | |
ce5160c0 | 1507 | |
5de10c37 AK |
1508 | if (IS_ZEBRA_DEBUG_EVPN_MH_NH) |
1509 | zlog_debug("es %s vtep %pI4 nh %u deref %u", | |
1510 | es_vtep->es->esi_str, &es_vtep->vtep_ip, nh->nh_id, | |
1511 | nh->ref_cnt); | |
ce5160c0 AK |
1512 | |
1513 | /* remove the NH from the parent NHG */ | |
1514 | zebra_evpn_nhg_update(es_vtep->es); | |
5de10c37 | 1515 | |
ce5160c0 | 1516 | /* uninstall the NH */ |
5de10c37 AK |
1517 | if (!nh->ref_cnt) |
1518 | zebra_evpn_l2_nh_free(nh); | |
ce5160c0 AK |
1519 | } |
1520 | ||
1521 | /*****************************************************************************/ | |
1522 | /* Ethernet Segment Management | |
1523 | * 1. Ethernet Segment is a collection of links attached to the same | |
1524 | * server (MHD) or switch (MHN) | |
1525 | * 2. An Ethernet Segment can span multiple PEs and is identified by the | |
1526 | * 10-byte ES-ID. | |
1527 | * 3. Zebra manages the local ESI configuration. | |
1528 | * 4. It also maintains the aliasing that maps an ESI (local or remote) | |
1529 | * to one or more PEs/VTEPs. | |
1530 | * 5. remote ESs are added by BGP (on rxing EAD Type-1 routes) | |
1531 | */ | |
1532 | /* A list of remote VTEPs is maintained for each ES. This list includes - | |
1533 | * 1. VTEPs for which we have imported the ESR i.e. ES-peers | |
1534 | * 2. VTEPs that have an "active" ES-EVI VTEP i.e. EAD-per-ES and EAD-per-EVI | |
87d76d54 | 1535 | * have been imported into one or more EVPNs |
ce5160c0 AK |
1536 | */ |
1537 | static int zebra_evpn_es_vtep_cmp(void *p1, void *p2) | |
1538 | { | |
1539 | const struct zebra_evpn_es_vtep *es_vtep1 = p1; | |
1540 | const struct zebra_evpn_es_vtep *es_vtep2 = p2; | |
1541 | ||
1542 | return es_vtep1->vtep_ip.s_addr - es_vtep2->vtep_ip.s_addr; | |
1543 | } | |
1544 | ||
1545 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_new( | |
1546 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1547 | { | |
1548 | struct zebra_evpn_es_vtep *es_vtep; | |
1549 | ||
1550 | es_vtep = XCALLOC(MTYPE_ZES_VTEP, sizeof(*es_vtep)); | |
1551 | ||
1552 | es_vtep->es = es; | |
1553 | es_vtep->vtep_ip.s_addr = vtep_ip.s_addr; | |
1554 | listnode_init(&es_vtep->es_listnode, es_vtep); | |
1555 | listnode_add_sort(es->es_vtep_list, &es_vtep->es_listnode); | |
1556 | ||
1557 | return es_vtep; | |
1558 | } | |
1559 | ||
1560 | static void zebra_evpn_es_vtep_free(struct zebra_evpn_es_vtep *es_vtep) | |
1561 | { | |
1562 | struct zebra_evpn_es *es = es_vtep->es; | |
1563 | ||
1564 | list_delete_node(es->es_vtep_list, &es_vtep->es_listnode); | |
1565 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1566 | zebra_evpn_l2_nh_es_vtep_deref(es_vtep); |
ce5160c0 AK |
1567 | XFREE(MTYPE_ZES_VTEP, es_vtep); |
1568 | } | |
1569 | ||
1570 | ||
1571 | /* check if VTEP is already part of the list */ | |
1572 | static struct zebra_evpn_es_vtep *zebra_evpn_es_vtep_find( | |
1573 | struct zebra_evpn_es *es, struct in_addr vtep_ip) | |
1574 | { | |
1575 | struct listnode *node = NULL; | |
1576 | struct zebra_evpn_es_vtep *es_vtep; | |
1577 | ||
1578 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1579 | if (es_vtep->vtep_ip.s_addr == vtep_ip.s_addr) | |
1580 | return es_vtep; | |
1581 | } | |
1582 | return NULL; | |
1583 | } | |
1584 | ||
28e80a03 AK |
1585 | /* flush all the dataplane br-port info associated with the ES */ |
1586 | static bool zebra_evpn_es_br_port_dplane_clear(struct zebra_evpn_es *es) | |
1587 | { | |
1588 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1589 | ||
1590 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1591 | return false; | |
1592 | ||
1593 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1594 | zlog_debug("es %s br-port dplane clear", es->esi_str); | |
1595 | ||
1596 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
1597 | dplane_br_port_update(es->zif->ifp, false /* non_df */, 0, sph_filters, | |
1598 | 0 /* backup_nhg_id */); | |
1599 | return true; | |
1600 | } | |
1601 | ||
1602 | static inline bool | |
1603 | zebra_evpn_es_br_port_dplane_update_needed(struct zebra_evpn_es *es) | |
1604 | { | |
1605 | return (es->flags & ZEBRA_EVPNES_NON_DF) | |
1606 | || (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
1607 | || listcount(es->es_vtep_list); | |
1608 | } | |
1609 | ||
1610 | /* returns TRUE if dplane entry was updated */ | |
1611 | static bool zebra_evpn_es_br_port_dplane_update(struct zebra_evpn_es *es, | |
1612 | const char *caller) | |
1613 | { | |
1614 | uint32_t backup_nhg_id; | |
1615 | struct in_addr sph_filters[ES_VTEP_MAX_CNT]; | |
1616 | struct listnode *node = NULL; | |
1617 | struct zebra_evpn_es_vtep *es_vtep; | |
1618 | uint32_t sph_filter_cnt = 0; | |
1619 | ||
1620 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
1621 | return zebra_evpn_es_br_port_dplane_clear(es); | |
1622 | ||
1623 | /* If the ES is not a bridge port there is nothing | |
1624 | * in the dataplane | |
1625 | */ | |
1626 | if (!(es->flags & ZEBRA_EVPNES_BR_PORT)) | |
1627 | return false; | |
1628 | ||
1629 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1630 | zlog_debug("es %s br-port dplane update by %s", es->esi_str, |
1631 | caller); | |
28e80a03 AK |
1632 | backup_nhg_id = (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) ? es->nhg_id : 0; |
1633 | ||
1634 | memset(&sph_filters, 0, sizeof(sph_filters)); | |
00a7710c AK |
1635 | if (es->flags & ZEBRA_EVPNES_BYPASS) { |
1636 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1637 | zlog_debug( | |
1638 | "es %s SPH filter disabled as it is in bypass", | |
1639 | es->esi_str); | |
28e80a03 | 1640 | } else { |
00a7710c AK |
1641 | if (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT) { |
1642 | zlog_warn("es %s vtep count %d exceeds filter cnt %d", | |
1643 | es->esi_str, listcount(es->es_vtep_list), | |
1644 | ES_VTEP_MAX_CNT); | |
1645 | } else { | |
1646 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, | |
1647 | es_vtep)) { | |
1648 | if (es_vtep->flags | |
1649 | & ZEBRA_EVPNES_VTEP_DEL_IN_PROG) | |
1650 | continue; | |
1651 | sph_filters[sph_filter_cnt] = es_vtep->vtep_ip; | |
1652 | ++sph_filter_cnt; | |
1653 | } | |
28e80a03 AK |
1654 | } |
1655 | } | |
1656 | ||
1657 | dplane_br_port_update(es->zif->ifp, !!(es->flags & ZEBRA_EVPNES_NON_DF), | |
1658 | sph_filter_cnt, sph_filters, backup_nhg_id); | |
1659 | ||
1660 | return true; | |
1661 | } | |
1662 | ||
1663 | /* returns TRUE if dplane entry was updated */ | |
1664 | static bool zebra_evpn_es_df_change(struct zebra_evpn_es *es, bool new_non_df, | |
35f5c31b | 1665 | const char *caller, const char *reason) |
1103c5c6 AK |
1666 | { |
1667 | bool old_non_df; | |
1668 | ||
1669 | old_non_df = !!(es->flags & ZEBRA_EVPNES_NON_DF); | |
1670 | ||
1671 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
35f5c31b AK |
1672 | zlog_debug("df-change es %s %s to %s; %s: %s", es->esi_str, |
1673 | old_non_df ? "non-df" : "df", | |
1674 | new_non_df ? "non-df" : "df", caller, reason); | |
1103c5c6 AK |
1675 | |
1676 | if (old_non_df == new_non_df) | |
28e80a03 | 1677 | return false; |
1103c5c6 | 1678 | |
28e80a03 | 1679 | if (new_non_df) |
1103c5c6 | 1680 | es->flags |= ZEBRA_EVPNES_NON_DF; |
28e80a03 | 1681 | else |
1103c5c6 | 1682 | es->flags &= ~ZEBRA_EVPNES_NON_DF; |
28e80a03 AK |
1683 | |
1684 | /* update non-DF block filter in the dataplane */ | |
1685 | return zebra_evpn_es_br_port_dplane_update(es, __func__); | |
1103c5c6 AK |
1686 | } |
1687 | ||
28e80a03 AK |
1688 | |
1689 | /* returns TRUE if dplane entry was updated */ | |
1690 | static bool zebra_evpn_es_run_df_election(struct zebra_evpn_es *es, | |
1103c5c6 AK |
1691 | const char *caller) |
1692 | { | |
1693 | struct listnode *node = NULL; | |
1694 | struct zebra_evpn_es_vtep *es_vtep; | |
1695 | bool new_non_df = false; | |
1696 | ||
1697 | /* If the ES is not ready (i.e. not completely configured) there | |
1698 | * is no need to setup the BUM block filter | |
1699 | */ | |
1700 | if (!(es->flags & ZEBRA_EVPNES_LOCAL) | |
00a7710c | 1701 | || (es->flags & ZEBRA_EVPNES_BYPASS) |
28e80a03 | 1702 | || !zmh_info->es_originator_ip.s_addr) |
35f5c31b AK |
1703 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1704 | "not-ready"); | |
1103c5c6 AK |
1705 | |
1706 | /* if oper-state is down DF filtering must be on. when the link comes | |
1707 | * up again dataplane should block BUM till FRR has had the chance | |
1708 | * to run DF election again | |
1709 | */ | |
1710 | if (!(es->flags & ZEBRA_EVPNES_OPER_UP)) { | |
1711 | new_non_df = true; | |
35f5c31b AK |
1712 | return zebra_evpn_es_df_change(es, new_non_df, caller, |
1713 | "oper-down"); | |
1714 | } | |
1715 | ||
1716 | /* ES was just created; we need to wait for the peers to rx the | |
1717 | * our Type-4 routes and for the switch to import the peers' Type-4 | |
1718 | * routes | |
1719 | */ | |
1720 | if (es->df_delay_timer) { | |
1721 | new_non_df = true; | |
1722 | return zebra_evpn_es_df_change(es, new_non_df, caller, | |
1723 | "df-delay"); | |
1103c5c6 AK |
1724 | } |
1725 | ||
1726 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
1727 | /* Only VTEPs that have advertised the ESR can participate | |
1728 | * in DF election | |
1729 | */ | |
1730 | if (!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR)) | |
1731 | continue; | |
1732 | ||
1733 | /* If the DF alg is not the same we should fall back to | |
1734 | * service-carving. But as service-carving is not supported | |
1735 | * we will stop forwarding BUM | |
1736 | */ | |
1737 | if (es_vtep->df_alg != EVPN_MH_DF_ALG_PREF) { | |
1738 | new_non_df = true; | |
1739 | break; | |
1740 | } | |
1741 | ||
1742 | /* Peer VTEP wins DF election if - | |
1743 | * the peer-VTEP has higher preference (or) | |
1744 | * the pref is the same but peer's IP address is lower | |
1745 | */ | |
1746 | if ((es_vtep->df_pref > es->df_pref) | |
1747 | || ((es_vtep->df_pref == es->df_pref) | |
1748 | && (es_vtep->vtep_ip.s_addr | |
1749 | < zmh_info->es_originator_ip.s_addr))) { | |
1750 | new_non_df = true; | |
1751 | break; | |
1752 | } | |
1753 | } | |
1754 | ||
35f5c31b | 1755 | return zebra_evpn_es_df_change(es, new_non_df, caller, "elected"); |
1103c5c6 AK |
1756 | } |
1757 | ||
ce5160c0 | 1758 | static void zebra_evpn_es_vtep_add(struct zebra_evpn_es *es, |
1103c5c6 AK |
1759 | struct in_addr vtep_ip, bool esr_rxed, |
1760 | uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
1761 | { |
1762 | struct zebra_evpn_es_vtep *es_vtep; | |
1103c5c6 | 1763 | bool old_esr_rxed; |
28e80a03 | 1764 | bool dplane_updated = false; |
ce5160c0 AK |
1765 | |
1766 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1767 | ||
1768 | if (!es_vtep) { | |
1769 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1770 | zlog_debug("es %s vtep %pI4 add", |
1771 | es->esi_str, &vtep_ip); | |
ce5160c0 AK |
1772 | es_vtep = zebra_evpn_es_vtep_new(es, vtep_ip); |
1773 | /* update the L2-NHG associated with the ES */ | |
5de10c37 | 1774 | zebra_evpn_l2_nh_es_vtep_ref(es_vtep); |
ce5160c0 | 1775 | } |
1103c5c6 AK |
1776 | |
1777 | old_esr_rxed = !!(es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR); | |
1778 | if ((old_esr_rxed != esr_rxed) || (es_vtep->df_alg != df_alg) | |
1779 | || (es_vtep->df_pref != df_pref)) { | |
1780 | /* If any of the DF election params changed we need to re-run | |
1781 | * DF election | |
1782 | */ | |
1783 | if (esr_rxed) | |
1784 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1785 | else | |
1786 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
1787 | es_vtep->df_alg = df_alg; | |
1788 | es_vtep->df_pref = df_pref; | |
28e80a03 | 1789 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); |
1103c5c6 | 1790 | } |
28e80a03 AK |
1791 | /* add the vtep to the SPH list */ |
1792 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1793 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1794 | } |
1795 | ||
1796 | static void zebra_evpn_es_vtep_del(struct zebra_evpn_es *es, | |
1797 | struct in_addr vtep_ip) | |
1798 | { | |
1799 | struct zebra_evpn_es_vtep *es_vtep; | |
28e80a03 | 1800 | bool dplane_updated = false; |
ce5160c0 AK |
1801 | |
1802 | es_vtep = zebra_evpn_es_vtep_find(es, vtep_ip); | |
1803 | ||
1804 | if (es_vtep) { | |
1805 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
1806 | zlog_debug("es %s vtep %pI4 del", |
1807 | es->esi_str, &vtep_ip); | |
28e80a03 | 1808 | es_vtep->flags |= ZEBRA_EVPNES_VTEP_DEL_IN_PROG; |
1103c5c6 AK |
1809 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
1810 | es_vtep->flags &= ~ZEBRA_EVPNES_VTEP_RXED_ESR; | |
28e80a03 AK |
1811 | dplane_updated = |
1812 | zebra_evpn_es_run_df_election(es, __func__); | |
1103c5c6 | 1813 | } |
28e80a03 AK |
1814 | /* remove the vtep from the SPH list */ |
1815 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL)) | |
1816 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
ce5160c0 AK |
1817 | zebra_evpn_es_vtep_free(es_vtep); |
1818 | } | |
1819 | } | |
1820 | ||
1821 | /* compare ES-IDs for the global ES RB tree */ | |
1822 | static int zebra_es_rb_cmp(const struct zebra_evpn_es *es1, | |
1823 | const struct zebra_evpn_es *es2) | |
1824 | { | |
1825 | return memcmp(&es1->esi, &es2->esi, ESI_BYTES); | |
1826 | } | |
1827 | RB_GENERATE(zebra_es_rb_head, zebra_evpn_es, rb_node, zebra_es_rb_cmp); | |
1828 | ||
1829 | /* Lookup ES */ | |
32367e7a | 1830 | struct zebra_evpn_es *zebra_evpn_es_find(const esi_t *esi) |
ce5160c0 AK |
1831 | { |
1832 | struct zebra_evpn_es tmp; | |
1833 | ||
1834 | memcpy(&tmp.esi, esi, sizeof(esi_t)); | |
1835 | return RB_FIND(zebra_es_rb_head, &zmh_info->es_rb_tree, &tmp); | |
1836 | } | |
1837 | ||
1838 | /* A new local es is created when a local-es-id and sysmac is configured | |
1839 | * against an interface. | |
1840 | */ | |
32367e7a | 1841 | static struct zebra_evpn_es *zebra_evpn_es_new(const esi_t *esi) |
ce5160c0 AK |
1842 | { |
1843 | struct zebra_evpn_es *es; | |
1844 | ||
325d694b AK |
1845 | if (!memcmp(esi, zero_esi, sizeof(esi_t))) |
1846 | return NULL; | |
1847 | ||
ce5160c0 AK |
1848 | es = XCALLOC(MTYPE_ZES, sizeof(struct zebra_evpn_es)); |
1849 | ||
1850 | /* fill in ESI */ | |
1851 | memcpy(&es->esi, esi, sizeof(esi_t)); | |
1852 | esi_to_str(&es->esi, es->esi_str, sizeof(es->esi_str)); | |
1853 | ||
1854 | /* Add to rb_tree */ | |
2a778afe | 1855 | RB_INSERT(zebra_es_rb_head, &zmh_info->es_rb_tree, es); |
ce5160c0 AK |
1856 | |
1857 | /* Initialise the ES-EVI list */ | |
1858 | es->es_evi_list = list_new(); | |
1859 | listset_app_node_mem(es->es_evi_list); | |
1860 | ||
1861 | /* Initialise the VTEP list */ | |
1862 | es->es_vtep_list = list_new(); | |
1863 | listset_app_node_mem(es->es_vtep_list); | |
1864 | es->es_vtep_list->cmp = zebra_evpn_es_vtep_cmp; | |
1865 | ||
b169fd6f AK |
1866 | /* mac entries associated with the ES */ |
1867 | es->mac_list = list_new(); | |
1868 | listset_app_node_mem(es->mac_list); | |
1869 | ||
ce5160c0 | 1870 | /* reserve a NHG */ |
15400f95 | 1871 | es->nhg_id = zebra_evpn_nhid_alloc(es); |
ce5160c0 AK |
1872 | |
1873 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 | 1874 | zlog_debug("es %s nhg %u new", es->esi_str, es->nhg_id); |
ce5160c0 AK |
1875 | |
1876 | return es; | |
1877 | } | |
1878 | ||
1879 | /* Free a given ES - | |
1880 | * This just frees appropriate memory, caller should have taken other | |
1881 | * needed actions. | |
1882 | */ | |
e378f502 | 1883 | static void zebra_evpn_es_free(struct zebra_evpn_es **esp) |
ce5160c0 | 1884 | { |
e378f502 AK |
1885 | struct zebra_evpn_es *es = *esp; |
1886 | ||
ce5160c0 AK |
1887 | /* If the ES has a local or remote reference it cannot be freed. |
1888 | * Free is also prevented if there are MAC entries referencing | |
1889 | * it. | |
1890 | */ | |
1891 | if ((es->flags & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE)) || | |
b169fd6f | 1892 | listcount(es->mac_list)) |
e378f502 | 1893 | return; |
ce5160c0 AK |
1894 | |
1895 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1896 | zlog_debug("es %s free", es->esi_str); | |
1897 | ||
1898 | /* If the NHG is still installed uninstall it and free the id */ | |
1899 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) { | |
1900 | es->flags &= ~ZEBRA_EVPNES_NHG_ACTIVE; | |
1901 | kernel_del_mac_nhg(es->nhg_id); | |
1902 | } | |
15400f95 | 1903 | zebra_evpn_nhid_free(es->nhg_id, es); |
ce5160c0 AK |
1904 | |
1905 | /* cleanup resources maintained against the ES */ | |
1906 | list_delete(&es->es_evi_list); | |
1907 | list_delete(&es->es_vtep_list); | |
b169fd6f | 1908 | list_delete(&es->mac_list); |
ce5160c0 AK |
1909 | |
1910 | /* remove from the VNI-ESI rb tree */ | |
1911 | RB_REMOVE(zebra_es_rb_head, &zmh_info->es_rb_tree, es); | |
1912 | ||
1913 | XFREE(MTYPE_ZES, es); | |
b169fd6f | 1914 | |
e378f502 | 1915 | *esp = NULL; |
ce5160c0 AK |
1916 | } |
1917 | ||
1918 | /* Inform BGP about local ES addition */ | |
1919 | static int zebra_evpn_es_send_add_to_client(struct zebra_evpn_es *es) | |
1920 | { | |
1921 | struct zserv *client; | |
1922 | struct stream *s; | |
1923 | uint8_t oper_up; | |
00a7710c | 1924 | bool bypass; |
ce5160c0 AK |
1925 | |
1926 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1927 | /* BGP may not be running. */ | |
1928 | if (!client) | |
1929 | return 0; | |
1930 | ||
1931 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1932 | ||
1933 | zclient_create_header(s, ZEBRA_LOCAL_ES_ADD, zebra_vrf_get_evpn_id()); | |
1934 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1935 | stream_put_ipv4(s, zmh_info->es_originator_ip.s_addr); | |
1936 | oper_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
1937 | stream_putc(s, oper_up); | |
1103c5c6 | 1938 | stream_putw(s, es->df_pref); |
00a7710c AK |
1939 | bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); |
1940 | stream_putc(s, bypass); | |
ce5160c0 AK |
1941 | |
1942 | /* Write packet size. */ | |
1943 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1944 | ||
1945 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
00a7710c AK |
1946 | zlog_debug( |
1947 | "send add local es %s %pI4 active %u df_pref %u%s to %s", | |
1948 | es->esi_str, &zmh_info->es_originator_ip, oper_up, | |
1949 | es->df_pref, bypass ? " bypass" : "", | |
1950 | zebra_route_string(client->proto)); | |
ce5160c0 AK |
1951 | |
1952 | client->local_es_add_cnt++; | |
1953 | return zserv_send_message(client, s); | |
1954 | } | |
1955 | ||
1956 | /* Inform BGP about local ES deletion */ | |
1957 | static int zebra_evpn_es_send_del_to_client(struct zebra_evpn_es *es) | |
1958 | { | |
1959 | struct zserv *client; | |
1960 | struct stream *s; | |
1961 | ||
1962 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
1963 | /* BGP may not be running. */ | |
1964 | if (!client) | |
1965 | return 0; | |
1966 | ||
1967 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1968 | stream_reset(s); | |
1969 | ||
1970 | zclient_create_header(s, ZEBRA_LOCAL_ES_DEL, zebra_vrf_get_evpn_id()); | |
1971 | stream_put(s, &es->esi, sizeof(esi_t)); | |
1972 | ||
1973 | /* Write packet size. */ | |
1974 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1975 | ||
1976 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1977 | zlog_debug("send del local es %s to %s", es->esi_str, | |
1978 | zebra_route_string(client->proto)); | |
1979 | ||
1980 | client->local_es_del_cnt++; | |
1981 | return zserv_send_message(client, s); | |
1982 | } | |
1983 | ||
ce5160c0 AK |
1984 | static void zebra_evpn_es_re_eval_send_to_client(struct zebra_evpn_es *es, |
1985 | bool es_evi_re_reval) | |
1986 | { | |
1987 | bool old_ready; | |
1988 | bool new_ready; | |
1989 | struct listnode *node; | |
1990 | struct zebra_evpn_es_evi *es_evi; | |
1991 | ||
1992 | old_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
1993 | ||
1994 | if ((es->flags & ZEBRA_EVPNES_LOCAL) && | |
1995 | zmh_info->es_originator_ip.s_addr) | |
1996 | es->flags |= ZEBRA_EVPNES_READY_FOR_BGP; | |
1997 | else | |
1998 | es->flags &= ~ZEBRA_EVPNES_READY_FOR_BGP; | |
1999 | ||
2000 | new_ready = !!(es->flags & ZEBRA_EVPNES_READY_FOR_BGP); | |
2001 | if (old_ready == new_ready) | |
2002 | return; | |
2003 | ||
2004 | if (new_ready) | |
2005 | zebra_evpn_es_send_add_to_client(es); | |
2006 | else | |
2007 | zebra_evpn_es_send_del_to_client(es); | |
2008 | ||
2009 | /* re-eval associated EVIs */ | |
2010 | if (es_evi_re_reval) { | |
2011 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, node, es_evi)) { | |
2012 | if (!(es_evi->flags & ZEBRA_EVPNES_EVI_LOCAL)) | |
2013 | continue; | |
2014 | zebra_evpn_es_evi_re_eval_send_to_client(es_evi); | |
2015 | } | |
2016 | } | |
2017 | } | |
2018 | ||
2019 | void zebra_evpn_es_send_all_to_client(bool add) | |
2020 | { | |
2021 | struct listnode *es_node; | |
2022 | struct listnode *evi_node; | |
2023 | struct zebra_evpn_es *es; | |
2024 | struct zebra_evpn_es_evi *es_evi; | |
2025 | ||
2026 | if (!zmh_info) | |
2027 | return; | |
2028 | ||
2029 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, es_node, es)) { | |
2030 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) { | |
2031 | if (add) | |
2032 | zebra_evpn_es_send_add_to_client(es); | |
2033 | for (ALL_LIST_ELEMENTS_RO(es->es_evi_list, | |
2034 | evi_node, es_evi)) { | |
2035 | if (!(es_evi->flags & | |
2036 | ZEBRA_EVPNES_EVI_READY_FOR_BGP)) | |
2037 | continue; | |
2038 | ||
2039 | if (add) | |
2040 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 2041 | es, es_evi->zevpn, |
ce5160c0 AK |
2042 | true /* add */); |
2043 | else | |
2044 | zebra_evpn_es_evi_send_to_client( | |
87d76d54 | 2045 | es, es_evi->zevpn, |
ce5160c0 AK |
2046 | false /* add */); |
2047 | } | |
2048 | if (!add) | |
2049 | zebra_evpn_es_send_del_to_client(es); | |
2050 | } | |
2051 | } | |
2052 | } | |
2053 | ||
2054 | /* walk the vlan bitmap associated with the zif and create or delete | |
2055 | * es_evis for all vlans associated with a VNI. | |
2056 | * XXX: This API is really expensive. optimize later if possible. | |
2057 | */ | |
2058 | static void zebra_evpn_es_setup_evis(struct zebra_evpn_es *es) | |
2059 | { | |
2060 | struct zebra_if *zif = es->zif; | |
2061 | uint16_t vid; | |
2062 | struct zebra_evpn_access_bd *acc_bd; | |
2063 | ||
0b05c9bb AK |
2064 | if (!bf_is_inited(zif->vlan_bitmap)) |
2065 | return; | |
ce5160c0 AK |
2066 | |
2067 | bf_for_each_set_bit(zif->vlan_bitmap, vid, IF_VLAN_BITMAP_MAX) { | |
239b26f9 | 2068 | acc_bd = zebra_evpn_acc_vl_find(vid, zif->brslave_info.br_if); |
87d76d54 PR |
2069 | if (acc_bd->zevpn) |
2070 | zebra_evpn_local_es_evi_add(es, acc_bd->zevpn); | |
ce5160c0 AK |
2071 | } |
2072 | } | |
2073 | ||
3198b2b3 DS |
2074 | static void zebra_evpn_flush_local_mac(struct zebra_mac *mac, |
2075 | struct interface *ifp) | |
00a7710c | 2076 | { |
8d30ff3b | 2077 | vlanid_t vid; |
00a7710c AK |
2078 | struct zebra_if *zif; |
2079 | struct interface *br_ifp; | |
8d30ff3b | 2080 | struct zebra_vxlan_vni *vni; |
00a7710c AK |
2081 | |
2082 | zif = ifp->info; | |
2083 | br_ifp = zif->brslave_info.br_if; | |
2084 | if (!br_ifp) | |
2085 | return; | |
2086 | ||
2087 | if (mac->zevpn->vxlan_if) { | |
2088 | zif = mac->zevpn->vxlan_if->info; | |
8d30ff3b SR |
2089 | vni = zebra_vxlan_if_vni_find(zif, mac->zevpn->vni); |
2090 | vid = vni->access_vlan; | |
00a7710c AK |
2091 | } else { |
2092 | vid = 0; | |
2093 | } | |
2094 | ||
2095 | /* delete the local mac from the dataplane */ | |
2096 | dplane_local_mac_del(ifp, br_ifp, vid, &mac->macaddr); | |
2097 | /* delete the local mac in zebra */ | |
2098 | zebra_evpn_del_local_mac(mac->zevpn, mac, true); | |
2099 | } | |
2100 | ||
2101 | static void zebra_evpn_es_flush_local_macs(struct zebra_evpn_es *es, | |
2102 | struct interface *ifp, bool add) | |
b169fd6f | 2103 | { |
3198b2b3 | 2104 | struct zebra_mac *mac; |
b169fd6f | 2105 | struct listnode *node; |
00a7710c | 2106 | struct listnode *nnode; |
b169fd6f | 2107 | |
00a7710c AK |
2108 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { |
2109 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2110 | continue; | |
2111 | ||
2112 | /* If ES is being attached/detached from the access port we | |
2113 | * need to clear local activity and peer activity and start | |
2114 | * over */ | |
2115 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2116 | zlog_debug("VNI %u mac %pEA update; local ES %s %s", | |
2117 | mac->zevpn->vni, | |
2118 | &mac->macaddr, | |
2119 | es->esi_str, add ? "add" : "del"); | |
2120 | zebra_evpn_flush_local_mac(mac, ifp); | |
b169fd6f AK |
2121 | } |
2122 | } | |
2123 | ||
72f2674a AK |
2124 | void zebra_evpn_es_local_br_port_update(struct zebra_if *zif) |
2125 | { | |
2126 | struct zebra_evpn_es *es = zif->es_info.es; | |
2127 | bool old_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2128 | bool new_br_port; | |
2129 | ||
2130 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) | |
2131 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2132 | else | |
2133 | es->flags &= ~ZEBRA_EVPNES_BR_PORT; | |
2134 | ||
2135 | new_br_port = !!(es->flags & ZEBRA_EVPNES_BR_PORT); | |
2136 | if (old_br_port == new_br_port) | |
2137 | return; | |
2138 | ||
2139 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2140 | zlog_debug("es %s br_port change old %u new %u", es->esi_str, | |
2141 | old_br_port, new_br_port); | |
2142 | ||
2143 | /* update the dataplane br_port attrs */ | |
2144 | if (new_br_port && zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2145 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2146 | } | |
2147 | ||
b2ee2b71 AK |
2148 | /* On config of first local-ES turn off DAD */ |
2149 | static void zebra_evpn_mh_dup_addr_detect_off(void) | |
2150 | { | |
2151 | struct zebra_vrf *zvrf; | |
2152 | bool old_detect; | |
2153 | bool new_detect; | |
2154 | ||
2155 | if (zmh_info->flags & ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF) | |
2156 | return; | |
2157 | ||
2158 | zvrf = zebra_vrf_get_evpn(); | |
b2ee2b71 AK |
2159 | old_detect = zebra_evpn_do_dup_addr_detect(zvrf); |
2160 | zmh_info->flags |= ZEBRA_EVPN_MH_DUP_ADDR_DETECT_OFF; | |
2161 | new_detect = zebra_evpn_do_dup_addr_detect(zvrf); | |
2162 | ||
2163 | if (old_detect && !new_detect) { | |
2164 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2165 | zlog_debug( | |
2166 | "evpn-mh config caused DAD addr detect chg from %s to %s", | |
2167 | old_detect ? "on" : "off", | |
2168 | new_detect ? "on" : "off"); | |
2169 | zebra_vxlan_clear_dup_detect_vni_all(zvrf); | |
2170 | } | |
2171 | } | |
2172 | ||
c7bfd085 AK |
2173 | /* On config of first local-ES turn off advertisement of STALE/DELAY/PROBE |
2174 | * neighbors | |
2175 | */ | |
2176 | static void zebra_evpn_mh_advertise_reach_neigh_only(void) | |
2177 | { | |
2178 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY) | |
2179 | return; | |
2180 | ||
2181 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_REACHABLE_NEIGH_ONLY; | |
2182 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2183 | zlog_debug("evpn-mh: only REACHABLE neigh advertised"); | |
2184 | ||
2185 | /* XXX - if STALE/DELAY/PROBE neighs were previously advertised we | |
2186 | * need to withdraw them | |
2187 | */ | |
2188 | } | |
2189 | ||
243b74ed AK |
2190 | /* On config of first local-ES turn on advertisement of local SVI-MAC */ |
2191 | static void zebra_evpn_mh_advertise_svi_mac(void) | |
2192 | { | |
2193 | if (zmh_info->flags & ZEBRA_EVPN_MH_ADV_SVI_MAC) | |
2194 | return; | |
2195 | ||
2196 | zmh_info->flags |= ZEBRA_EVPN_MH_ADV_SVI_MAC; | |
2197 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2198 | zlog_debug("evpn-mh: advertise SVI MAC"); | |
2199 | ||
2200 | /* walk through all SVIs and see if we need to advertise the MAC */ | |
2201 | zebra_evpn_acc_vl_adv_svi_mac_all(); | |
2202 | } | |
2203 | ||
e6685141 | 2204 | static void zebra_evpn_es_df_delay_exp_cb(struct event *t) |
35f5c31b AK |
2205 | { |
2206 | struct zebra_evpn_es *es; | |
2207 | ||
2208 | es = THREAD_ARG(t); | |
2209 | ||
2210 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2211 | zlog_debug("es %s df-delay expired", es->esi_str); | |
2212 | ||
2213 | zebra_evpn_es_run_df_election(es, __func__); | |
35f5c31b AK |
2214 | } |
2215 | ||
243b74ed AK |
2216 | /* currently there is no global config to turn on MH instead we use |
2217 | * the addition of the first local Ethernet Segment as the trigger to | |
2218 | * init MH specific processing | |
2219 | */ | |
2220 | static void zebra_evpn_mh_on_first_local_es(void) | |
2221 | { | |
2222 | zebra_evpn_mh_dup_addr_detect_off(); | |
2223 | zebra_evpn_mh_advertise_reach_neigh_only(); | |
2224 | zebra_evpn_mh_advertise_svi_mac(); | |
2225 | } | |
2226 | ||
ce5160c0 AK |
2227 | static void zebra_evpn_es_local_info_set(struct zebra_evpn_es *es, |
2228 | struct zebra_if *zif) | |
2229 | { | |
2230 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
2231 | return; | |
2232 | ||
2233 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2234 | zlog_debug("local es %s add; nhg %u if %s", es->esi_str, |
2235 | es->nhg_id, zif->ifp->name); | |
ce5160c0 | 2236 | |
243b74ed | 2237 | zebra_evpn_mh_on_first_local_es(); |
b2ee2b71 | 2238 | |
ce5160c0 AK |
2239 | es->flags |= ZEBRA_EVPNES_LOCAL; |
2240 | listnode_init(&es->local_es_listnode, es); | |
2241 | listnode_add(zmh_info->local_es_list, &es->local_es_listnode); | |
2242 | ||
2243 | /* attach es to interface */ | |
2244 | zif->es_info.es = es; | |
1103c5c6 AK |
2245 | es->df_pref = zif->es_info.df_pref ? zif->es_info.df_pref |
2246 | : EVPN_MH_DF_PREF_DEFAULT; | |
ce5160c0 AK |
2247 | |
2248 | /* attach interface to es */ | |
2249 | es->zif = zif; | |
2250 | if (if_is_operative(zif->ifp)) | |
2251 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
2252 | ||
72f2674a AK |
2253 | if (zif->brslave_info.bridge_ifindex != IFINDEX_INTERNAL) |
2254 | es->flags |= ZEBRA_EVPNES_BR_PORT; | |
2255 | ||
00a7710c AK |
2256 | /* inherit the bypass flag from the interface */ |
2257 | if (zif->flags & ZIF_FLAG_LACP_BYPASS) | |
2258 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2259 | ||
ce5160c0 AK |
2260 | /* setup base-vni if one doesn't already exist; the ES will get sent |
2261 | * to BGP as a part of that process | |
2262 | */ | |
87d76d54 PR |
2263 | if (!zmh_info->es_base_evpn) |
2264 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 AK |
2265 | else |
2266 | /* send notification to bgp */ | |
2267 | zebra_evpn_es_re_eval_send_to_client(es, | |
2268 | false /* es_evi_re_reval */); | |
2269 | ||
35f5c31b AK |
2270 | /* Start the DF delay timer on the local ES */ |
2271 | if (!es->df_delay_timer) | |
2272 | thread_add_timer(zrouter.master, zebra_evpn_es_df_delay_exp_cb, | |
2273 | es, ZEBRA_EVPN_MH_DF_DELAY_TIME, | |
2274 | &es->df_delay_timer); | |
2275 | ||
1103c5c6 | 2276 | /* See if the local VTEP can function as DF on the ES */ |
28e80a03 AK |
2277 | if (!zebra_evpn_es_run_df_election(es, __func__)) { |
2278 | /* check if the dplane entry needs to be re-programmed as a | |
2279 | * result of some thing other than DF status change | |
2280 | */ | |
2281 | if (zebra_evpn_es_br_port_dplane_update_needed(es)) | |
2282 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2283 | } | |
2284 | ||
1103c5c6 | 2285 | |
ce5160c0 AK |
2286 | /* Setup ES-EVIs for all VxLAN stretched VLANs associated with |
2287 | * the zif | |
2288 | */ | |
2289 | zebra_evpn_es_setup_evis(es); | |
b169fd6f | 2290 | /* if there any local macs referring to the ES as dest we |
00a7710c | 2291 | * need to clear the contents and start over |
b169fd6f | 2292 | */ |
00a7710c | 2293 | zebra_evpn_es_flush_local_macs(es, zif->ifp, true); |
c36e442c AK |
2294 | |
2295 | /* inherit EVPN protodown flags on the access port */ | |
2bcf92e1 | 2296 | zebra_evpn_mh_update_protodown_es(es, true /*resync_dplane*/); |
ce5160c0 AK |
2297 | } |
2298 | ||
e378f502 | 2299 | static void zebra_evpn_es_local_info_clear(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2300 | { |
2301 | struct zebra_if *zif; | |
e378f502 | 2302 | struct zebra_evpn_es *es = *esp; |
28e80a03 | 2303 | bool dplane_updated = false; |
ce5160c0 AK |
2304 | |
2305 | if (!(es->flags & ZEBRA_EVPNES_LOCAL)) | |
2306 | return; | |
2307 | ||
00a7710c AK |
2308 | zif = es->zif; |
2309 | ||
2310 | /* if there any local macs referring to the ES as dest we | |
2311 | * need to clear the contents and start over | |
2312 | */ | |
2313 | zebra_evpn_es_flush_local_macs(es, zif->ifp, false); | |
2314 | ||
4cd94050 AK |
2315 | es->flags &= ~(ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_READY_FOR_BGP); |
2316 | ||
35f5c31b AK |
2317 | THREAD_OFF(es->df_delay_timer); |
2318 | ||
c36e442c AK |
2319 | /* clear EVPN protodown flags on the access port */ |
2320 | zebra_evpn_mh_clear_protodown_es(es); | |
2321 | ||
00a7710c AK |
2322 | /* remove the DF filter */ |
2323 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
b169fd6f | 2324 | |
28e80a03 AK |
2325 | /* flush the BUM filters and backup NHG */ |
2326 | if (!dplane_updated) | |
2327 | zebra_evpn_es_br_port_dplane_clear(es); | |
2328 | ||
ce5160c0 | 2329 | /* clear the es from the parent interface */ |
ce5160c0 AK |
2330 | zif->es_info.es = NULL; |
2331 | es->zif = NULL; | |
2332 | ||
72f2674a | 2333 | /* clear all local flags associated with the ES */ |
00a7710c AK |
2334 | es->flags &= ~(ZEBRA_EVPNES_OPER_UP | ZEBRA_EVPNES_BR_PORT |
2335 | | ZEBRA_EVPNES_BYPASS); | |
72f2674a | 2336 | |
ce5160c0 AK |
2337 | /* remove from the ES list */ |
2338 | list_delete_node(zmh_info->local_es_list, &es->local_es_listnode); | |
2339 | ||
2340 | /* free up the ES if there is no remote reference */ | |
e378f502 | 2341 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2342 | } |
2343 | ||
2344 | /* Delete an ethernet segment and inform BGP */ | |
e378f502 | 2345 | static void zebra_evpn_local_es_del(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2346 | { |
2347 | struct zebra_evpn_es_evi *es_evi; | |
2348 | struct listnode *node = NULL; | |
2349 | struct listnode *nnode = NULL; | |
2350 | struct zebra_if *zif; | |
e378f502 | 2351 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2352 | |
2353 | if (!CHECK_FLAG(es->flags, ZEBRA_EVPNES_LOCAL)) | |
2354 | return; | |
2355 | ||
2356 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) { | |
2357 | zif = es->zif; | |
dfa3d3d7 AK |
2358 | zlog_debug("local es %s del; nhg %u if %s", es->esi_str, |
2359 | es->nhg_id, zif ? zif->ifp->name : "-"); | |
ce5160c0 AK |
2360 | } |
2361 | ||
2362 | /* remove all ES-EVIs associated with the ES */ | |
2363 | for (ALL_LIST_ELEMENTS(es->es_evi_list, node, nnode, es_evi)) | |
2364 | zebra_evpn_local_es_evi_do_del(es_evi); | |
2365 | ||
2366 | /* send a del if the ES had been sent to BGP earlier */ | |
2367 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2368 | zebra_evpn_es_send_del_to_client(es); | |
2369 | ||
e378f502 | 2370 | zebra_evpn_es_local_info_clear(esp); |
ce5160c0 AK |
2371 | } |
2372 | ||
2373 | /* eval remote info associated with the ES */ | |
e378f502 | 2374 | static void zebra_evpn_es_remote_info_re_eval(struct zebra_evpn_es **esp) |
ce5160c0 | 2375 | { |
e378f502 AK |
2376 | struct zebra_evpn_es *es = *esp; |
2377 | ||
ce5160c0 AK |
2378 | /* if there are remote VTEPs the ES-EVI is classified as "remote" */ |
2379 | if (listcount(es->es_vtep_list)) { | |
2380 | if (!(es->flags & ZEBRA_EVPNES_REMOTE)) { | |
2381 | es->flags |= ZEBRA_EVPNES_REMOTE; | |
2382 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2383 | zlog_debug("remote es %s add; nhg %u", |
2384 | es->esi_str, es->nhg_id); | |
ce5160c0 AK |
2385 | } |
2386 | } else { | |
2387 | if (es->flags & ZEBRA_EVPNES_REMOTE) { | |
2388 | es->flags &= ~ZEBRA_EVPNES_REMOTE; | |
2389 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dfa3d3d7 AK |
2390 | zlog_debug("remote es %s del; nhg %u", |
2391 | es->esi_str, es->nhg_id); | |
e378f502 | 2392 | zebra_evpn_es_free(esp); |
ce5160c0 AK |
2393 | } |
2394 | } | |
2395 | } | |
2396 | ||
2397 | /* A new local es is created when a local-es-id and sysmac is configured | |
2398 | * against an interface. | |
2399 | */ | |
325d694b | 2400 | static int zebra_evpn_local_es_update(struct zebra_if *zif, esi_t *esi) |
ce5160c0 AK |
2401 | { |
2402 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
2403 | struct zebra_evpn_es *es; | |
325d694b | 2404 | |
325d694b AK |
2405 | if (old_es && !memcmp(&old_es->esi, esi, sizeof(*esi))) |
2406 | /* dup - nothing to be done */ | |
2407 | return 0; | |
2408 | ||
2409 | /* release the old_es against the zif */ | |
2410 | if (old_es) | |
2411 | zebra_evpn_local_es_del(&old_es); | |
2412 | ||
2413 | es = zebra_evpn_es_find(esi); | |
2414 | if (es) { | |
2415 | /* if it exists against another interface flag an error */ | |
0dfc0dd9 | 2416 | if (es->zif && es->zif != zif) |
325d694b | 2417 | return -1; |
325d694b AK |
2418 | } else { |
2419 | /* create new es */ | |
2420 | es = zebra_evpn_es_new(esi); | |
2421 | } | |
2422 | ||
0dfc0dd9 | 2423 | memcpy(&zif->es_info.esi, esi, sizeof(*esi)); |
325d694b AK |
2424 | if (es) |
2425 | zebra_evpn_es_local_info_set(es, zif); | |
2426 | ||
2427 | return 0; | |
2428 | } | |
2429 | ||
2430 | static int zebra_evpn_type3_esi_update(struct zebra_if *zif, uint32_t lid, | |
2431 | struct ethaddr *sysmac) | |
2432 | { | |
2433 | struct zebra_evpn_es *old_es = zif->es_info.es; | |
ce5160c0 AK |
2434 | esi_t esi; |
2435 | int offset = 0; | |
2436 | int field_bytes = 0; | |
2437 | ||
2438 | /* Complete config of the ES-ID bootstraps the ES */ | |
2439 | if (!lid || is_zero_mac(sysmac)) { | |
325d694b AK |
2440 | /* clear old esi */ |
2441 | memset(&zif->es_info.esi, 0, sizeof(zif->es_info.esi)); | |
ce5160c0 AK |
2442 | /* if in ES is attached to zif delete it */ |
2443 | if (old_es) | |
ab06b033 | 2444 | zebra_evpn_local_es_del(&old_es); |
ce5160c0 AK |
2445 | return 0; |
2446 | } | |
2447 | ||
2448 | /* build 10-byte type-3-ESI - | |
2449 | * Type(1-byte), MAC(6-bytes), ES-LID (3-bytes) | |
2450 | */ | |
2451 | field_bytes = 1; | |
2452 | esi.val[offset] = ESI_TYPE_MAC; | |
2453 | offset += field_bytes; | |
2454 | ||
2455 | field_bytes = ETH_ALEN; | |
2456 | memcpy(&esi.val[offset], (uint8_t *)sysmac, field_bytes); | |
2457 | offset += field_bytes; | |
2458 | ||
2459 | esi.val[offset++] = (uint8_t)(lid >> 16); | |
2460 | esi.val[offset++] = (uint8_t)(lid >> 8); | |
2461 | esi.val[offset++] = (uint8_t)lid; | |
2462 | ||
325d694b | 2463 | return zebra_evpn_local_es_update(zif, &esi); |
ce5160c0 AK |
2464 | } |
2465 | ||
32367e7a | 2466 | int zebra_evpn_remote_es_del(const esi_t *esi, struct in_addr vtep_ip) |
ce5160c0 AK |
2467 | { |
2468 | char buf[ESI_STR_LEN]; | |
2469 | struct zebra_evpn_es *es; | |
2470 | ||
2471 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
2472 | zlog_debug("remote es %s vtep %pI4 del", |
2473 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2474 | |
2475 | es = zebra_evpn_es_find(esi); | |
2476 | if (!es) { | |
4d8b658c | 2477 | zlog_warn("remote es %s vtep %pI4 del failed, es missing", |
e378f502 | 2478 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); |
ce5160c0 AK |
2479 | return -1; |
2480 | } | |
2481 | ||
2482 | zebra_evpn_es_vtep_del(es, vtep_ip); | |
e378f502 | 2483 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2484 | |
2485 | return 0; | |
2486 | } | |
2487 | ||
2488 | /* force delete a remote ES on the way down */ | |
e378f502 | 2489 | static void zebra_evpn_remote_es_flush(struct zebra_evpn_es **esp) |
ce5160c0 AK |
2490 | { |
2491 | struct zebra_evpn_es_vtep *es_vtep; | |
2492 | struct listnode *node; | |
2493 | struct listnode *nnode; | |
e378f502 | 2494 | struct zebra_evpn_es *es = *esp; |
ce5160c0 AK |
2495 | |
2496 | for (ALL_LIST_ELEMENTS(es->es_vtep_list, node, nnode, es_vtep)) { | |
2497 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 | 2498 | zlog_debug("es %s vtep %pI4 flush", |
ce5160c0 | 2499 | es->esi_str, |
9bcef951 | 2500 | &es_vtep->vtep_ip); |
ce5160c0 | 2501 | zebra_evpn_es_vtep_free(es_vtep); |
ce5160c0 | 2502 | } |
e378f502 | 2503 | zebra_evpn_es_remote_info_re_eval(esp); |
ce5160c0 AK |
2504 | } |
2505 | ||
32367e7a MS |
2506 | int zebra_evpn_remote_es_add(const esi_t *esi, struct in_addr vtep_ip, |
2507 | bool esr_rxed, uint8_t df_alg, uint16_t df_pref) | |
ce5160c0 AK |
2508 | { |
2509 | char buf[ESI_STR_LEN]; | |
2510 | struct zebra_evpn_es *es; | |
2511 | ||
2512 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
1103c5c6 AK |
2513 | zlog_debug("remote es %s vtep %pI4 add %s df_alg %d df_pref %d", |
2514 | esi_to_str(esi, buf, sizeof(buf)), | |
2515 | &vtep_ip, esr_rxed ? "esr" : "", df_alg, | |
2516 | df_pref); | |
ce5160c0 AK |
2517 | |
2518 | es = zebra_evpn_es_find(esi); | |
2519 | if (!es) { | |
2520 | es = zebra_evpn_es_new(esi); | |
2521 | if (!es) { | |
e378f502 AK |
2522 | zlog_warn( |
2523 | "remote es %s vtep %pI4 add failed, es missing", | |
2524 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip); | |
ce5160c0 AK |
2525 | return -1; |
2526 | } | |
2527 | } | |
2528 | ||
28e80a03 | 2529 | if (df_alg != EVPN_MH_DF_ALG_PREF) |
2747f6f7 AK |
2530 | zlog_warn( |
2531 | "remote es %s vtep %pI4 add %s with unsupported df_alg %d", | |
2532 | esi_to_str(esi, buf, sizeof(buf)), &vtep_ip, | |
2533 | esr_rxed ? "esr" : "", df_alg); | |
28e80a03 | 2534 | |
1103c5c6 | 2535 | zebra_evpn_es_vtep_add(es, vtep_ip, esr_rxed, df_alg, df_pref); |
e378f502 | 2536 | zebra_evpn_es_remote_info_re_eval(&es); |
ce5160c0 AK |
2537 | |
2538 | return 0; | |
2539 | } | |
2540 | ||
2541 | void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS) | |
2542 | { | |
2543 | struct stream *s; | |
2544 | struct in_addr vtep_ip; | |
2545 | esi_t esi; | |
2546 | ||
2547 | if (!is_evpn_enabled()) { | |
2548 | zlog_debug( | |
7d7be47e DS |
2549 | "%s: EVPN not enabled yet we received a es_add zapi call", |
2550 | __func__); | |
ce5160c0 AK |
2551 | return; |
2552 | } | |
2553 | ||
2554 | memset(&esi, 0, sizeof(esi_t)); | |
2555 | s = msg; | |
2556 | ||
693fc882 QY |
2557 | STREAM_GET(&esi, s, sizeof(esi_t)); |
2558 | STREAM_GET(&vtep_ip.s_addr, s, sizeof(vtep_ip.s_addr)); | |
ce5160c0 | 2559 | |
1103c5c6 AK |
2560 | if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) { |
2561 | uint32_t zapi_flags; | |
2562 | uint8_t df_alg; | |
2563 | uint16_t df_pref; | |
2564 | bool esr_rxed; | |
2565 | ||
693fc882 | 2566 | STREAM_GETL(s, zapi_flags); |
1103c5c6 AK |
2567 | esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true |
2568 | : false; | |
693fc882 QY |
2569 | STREAM_GETC(s, df_alg); |
2570 | STREAM_GETW(s, df_pref); | |
7f7e49d1 MS |
2571 | zebra_rib_queue_evpn_rem_es_add(&esi, &vtep_ip, esr_rxed, |
2572 | df_alg, df_pref); | |
1103c5c6 | 2573 | } else { |
32367e7a | 2574 | zebra_rib_queue_evpn_rem_es_del(&esi, &vtep_ip); |
1103c5c6 | 2575 | } |
693fc882 QY |
2576 | |
2577 | stream_failure: | |
2578 | return; | |
ce5160c0 AK |
2579 | } |
2580 | ||
3198b2b3 | 2581 | void zebra_evpn_es_mac_deref_entry(struct zebra_mac *mac) |
ce5160c0 AK |
2582 | { |
2583 | struct zebra_evpn_es *es = mac->es; | |
2584 | ||
2585 | mac->es = NULL; | |
b169fd6f | 2586 | if (!es) |
ce5160c0 AK |
2587 | return; |
2588 | ||
b169fd6f AK |
2589 | list_delete_node(es->mac_list, &mac->es_listnode); |
2590 | if (!listcount(es->mac_list)) | |
e378f502 | 2591 | zebra_evpn_es_free(&es); |
ce5160c0 AK |
2592 | } |
2593 | ||
2594 | /* Associate a MAC entry with a local or remote ES. Returns false if there | |
2595 | * was no ES change. | |
2596 | */ | |
3198b2b3 DS |
2597 | bool zebra_evpn_es_mac_ref_entry(struct zebra_mac *mac, |
2598 | struct zebra_evpn_es *es) | |
ce5160c0 AK |
2599 | { |
2600 | if (mac->es == es) | |
2601 | return false; | |
2602 | ||
2603 | if (mac->es) | |
2604 | zebra_evpn_es_mac_deref_entry(mac); | |
2605 | ||
2606 | if (!es) | |
2607 | return true; | |
2608 | ||
2609 | mac->es = es; | |
b169fd6f AK |
2610 | listnode_init(&mac->es_listnode, mac); |
2611 | listnode_add(es->mac_list, &mac->es_listnode); | |
2612 | ||
ce5160c0 AK |
2613 | return true; |
2614 | } | |
2615 | ||
3198b2b3 | 2616 | bool zebra_evpn_es_mac_ref(struct zebra_mac *mac, const esi_t *esi) |
ce5160c0 AK |
2617 | { |
2618 | struct zebra_evpn_es *es; | |
2619 | ||
2620 | es = zebra_evpn_es_find(esi); | |
2621 | if (!es) { | |
4cd94050 AK |
2622 | /* If non-zero esi implicitly create a new ES */ |
2623 | if (memcmp(esi, zero_esi, sizeof(esi_t))) { | |
2624 | es = zebra_evpn_es_new(esi); | |
2625 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2626 | zlog_debug("auto es %s add on mac ref", | |
2627 | es->esi_str); | |
2628 | } | |
ce5160c0 AK |
2629 | } |
2630 | ||
b169fd6f | 2631 | return zebra_evpn_es_mac_ref_entry(mac, es); |
ce5160c0 AK |
2632 | } |
2633 | ||
2634 | /* Inform BGP about local ES-EVI add or del */ | |
2635 | static int zebra_evpn_es_evi_send_to_client(struct zebra_evpn_es *es, | |
f6371c34 | 2636 | struct zebra_evpn *zevpn, bool add) |
ce5160c0 AK |
2637 | { |
2638 | struct zserv *client; | |
2639 | struct stream *s; | |
2640 | ||
2641 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); | |
2642 | /* BGP may not be running. */ | |
2643 | if (!client) | |
2644 | return 0; | |
2645 | ||
2646 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2647 | ||
2648 | zclient_create_header(s, | |
2649 | add ? ZEBRA_LOCAL_ES_EVI_ADD : ZEBRA_LOCAL_ES_EVI_DEL, | |
2650 | zebra_vrf_get_evpn_id()); | |
2651 | stream_put(s, &es->esi, sizeof(esi_t)); | |
87d76d54 | 2652 | stream_putl(s, zevpn->vni); |
ce5160c0 AK |
2653 | |
2654 | /* Write packet size. */ | |
2655 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2656 | ||
2657 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2658 | zlog_debug("send %s local es %s evi %u to %s", | |
2659 | add ? "add" : "del", | |
87d76d54 | 2660 | es->esi_str, zevpn->vni, |
ce5160c0 AK |
2661 | zebra_route_string(client->proto)); |
2662 | ||
2663 | client->local_es_add_cnt++; | |
2664 | return zserv_send_message(client, s); | |
2665 | } | |
2666 | ||
2667 | /* sysmac part of a local ESI has changed */ | |
2668 | static int zebra_evpn_es_sys_mac_update(struct zebra_if *zif, | |
2669 | struct ethaddr *sysmac) | |
2670 | { | |
2671 | int rv; | |
2672 | ||
325d694b | 2673 | rv = zebra_evpn_type3_esi_update(zif, zif->es_info.lid, sysmac); |
ce5160c0 AK |
2674 | if (!rv) |
2675 | memcpy(&zif->es_info.sysmac, sysmac, sizeof(struct ethaddr)); | |
2676 | ||
2677 | return rv; | |
2678 | } | |
2679 | ||
2680 | /* local-ID part of ESI has changed */ | |
2681 | static int zebra_evpn_es_lid_update(struct zebra_if *zif, uint32_t lid) | |
2682 | { | |
2683 | int rv; | |
2684 | ||
325d694b | 2685 | rv = zebra_evpn_type3_esi_update(zif, lid, &zif->es_info.sysmac); |
ce5160c0 AK |
2686 | if (!rv) |
2687 | zif->es_info.lid = lid; | |
2688 | ||
2689 | return rv; | |
2690 | } | |
2691 | ||
325d694b AK |
2692 | /* type-0 esi has changed */ |
2693 | static int zebra_evpn_es_type0_esi_update(struct zebra_if *zif, esi_t *esi) | |
2694 | { | |
2695 | int rv; | |
2696 | ||
2697 | rv = zebra_evpn_local_es_update(zif, esi); | |
2698 | ||
2699 | /* clear the old es_lid, es_sysmac - type-0 is being set so old | |
2700 | * type-3 params need to be flushed | |
2701 | */ | |
2702 | memset(&zif->es_info.sysmac, 0, sizeof(struct ethaddr)); | |
2703 | zif->es_info.lid = 0; | |
2704 | ||
2705 | return rv; | |
2706 | } | |
2707 | ||
ce5160c0 AK |
2708 | void zebra_evpn_es_cleanup(void) |
2709 | { | |
2710 | struct zebra_evpn_es *es; | |
2711 | struct zebra_evpn_es *es_next; | |
2712 | ||
2713 | RB_FOREACH_SAFE(es, zebra_es_rb_head, | |
2714 | &zmh_info->es_rb_tree, es_next) { | |
e378f502 AK |
2715 | zebra_evpn_local_es_del(&es); |
2716 | if (es) | |
2717 | zebra_evpn_remote_es_flush(&es); | |
ce5160c0 AK |
2718 | } |
2719 | } | |
2720 | ||
1103c5c6 AK |
2721 | static void zebra_evpn_es_df_pref_update(struct zebra_if *zif, uint16_t df_pref) |
2722 | { | |
2723 | struct zebra_evpn_es *es; | |
2724 | uint16_t tmp_pref; | |
2725 | ||
2726 | if (zif->es_info.df_pref == df_pref) | |
2727 | return; | |
2728 | ||
2729 | zif->es_info.df_pref = df_pref; | |
2730 | es = zif->es_info.es; | |
2731 | ||
2732 | if (!es) | |
2733 | return; | |
2734 | ||
2735 | tmp_pref = zif->es_info.df_pref ? zif->es_info.df_pref | |
2736 | : EVPN_MH_DF_PREF_DEFAULT; | |
2737 | ||
2738 | if (es->df_pref == tmp_pref) | |
2739 | return; | |
2740 | ||
2741 | es->df_pref = tmp_pref; | |
2742 | /* run df election */ | |
2743 | zebra_evpn_es_run_df_election(es, __func__); | |
2744 | /* notify bgp */ | |
2745 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2746 | zebra_evpn_es_send_add_to_client(es); | |
2747 | } | |
2748 | ||
00a7710c AK |
2749 | /* If bypass mode on an es changed we set all local macs to |
2750 | * inactive and drop the sync info | |
2751 | */ | |
2752 | static void zebra_evpn_es_bypass_update_macs(struct zebra_evpn_es *es, | |
2753 | struct interface *ifp, bool bypass) | |
2754 | { | |
3198b2b3 | 2755 | struct zebra_mac *mac; |
00a7710c AK |
2756 | struct listnode *node; |
2757 | struct listnode *nnode; | |
fd40906b | 2758 | struct zebra_if *zif; |
00a7710c AK |
2759 | |
2760 | /* Flush all MACs linked to the ES */ | |
2761 | for (ALL_LIST_ELEMENTS(es->mac_list, node, nnode, mac)) { | |
2762 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2763 | continue; | |
2764 | ||
2765 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2766 | zlog_debug("VNI %u mac %pEA %s update es %s", | |
2767 | mac->zevpn->vni, | |
2768 | &mac->macaddr, | |
2769 | bypass ? "bypass" : "non-bypass", | |
2770 | es->esi_str); | |
2771 | zebra_evpn_flush_local_mac(mac, ifp); | |
2772 | } | |
fd40906b AK |
2773 | |
2774 | /* While in bypass-mode locally learnt MACs are linked | |
2775 | * to the access port instead of the ES | |
2776 | */ | |
2777 | zif = ifp->info; | |
2778 | if (!zif->mac_list) | |
2779 | return; | |
2780 | ||
2781 | for (ALL_LIST_ELEMENTS(zif->mac_list, node, nnode, mac)) { | |
2782 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
2783 | continue; | |
2784 | ||
2785 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2786 | zlog_debug("VNI %u mac %pEA %s update ifp %s", | |
2787 | mac->zevpn->vni, | |
2788 | &mac->macaddr, | |
2789 | bypass ? "bypass" : "non-bypass", ifp->name); | |
2790 | zebra_evpn_flush_local_mac(mac, ifp); | |
2791 | } | |
00a7710c AK |
2792 | } |
2793 | ||
2794 | void zebra_evpn_es_bypass_update(struct zebra_evpn_es *es, | |
2795 | struct interface *ifp, bool bypass) | |
2796 | { | |
2797 | bool old_bypass; | |
2798 | bool dplane_updated; | |
2799 | ||
2800 | old_bypass = !!(es->flags & ZEBRA_EVPNES_BYPASS); | |
2801 | if (old_bypass == bypass) | |
2802 | return; | |
2803 | ||
2804 | if (bypass) | |
2805 | es->flags |= ZEBRA_EVPNES_BYPASS; | |
2806 | else | |
2807 | es->flags &= ~ZEBRA_EVPNES_BYPASS; | |
2808 | ||
2809 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
2810 | zlog_debug("bond %s es %s lacp bypass changed to %s", ifp->name, | |
2811 | es->esi_str, bypass ? "on" : "off"); | |
2812 | ||
2813 | /* send bypass update to BGP */ | |
2814 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
2815 | zebra_evpn_es_send_add_to_client(es); | |
2816 | ||
2817 | zebra_evpn_es_bypass_update_macs(es, ifp, bypass); | |
2818 | ||
2819 | /* re-run DF election */ | |
2820 | dplane_updated = zebra_evpn_es_run_df_election(es, __func__); | |
2821 | ||
2822 | /* disable SPH filter */ | |
2823 | if (!dplane_updated && (es->flags & ZEBRA_EVPNES_LOCAL) | |
2824 | && (listcount(es->es_vtep_list) > ES_VTEP_MAX_CNT)) | |
2825 | zebra_evpn_es_br_port_dplane_update(es, __func__); | |
2826 | } | |
2827 | ||
2828 | static void zebra_evpn_es_bypass_cfg_update(struct zebra_if *zif, bool bypass) | |
2829 | { | |
2830 | bool old_bypass = !!(zif->es_info.flags & ZIF_CFG_ES_FLAG_BYPASS); | |
2831 | ||
2832 | if (old_bypass == bypass) | |
2833 | return; | |
2834 | ||
2835 | if (bypass) | |
2836 | zif->es_info.flags |= ZIF_CFG_ES_FLAG_BYPASS; | |
2837 | else | |
2838 | zif->es_info.flags &= ~ZIF_CFG_ES_FLAG_BYPASS; | |
2839 | ||
2840 | ||
2841 | if (zif->es_info.es) | |
2842 | zebra_evpn_es_bypass_update(zif->es_info.es, zif->ifp, bypass); | |
2843 | } | |
2844 | ||
1103c5c6 | 2845 | |
ce5160c0 AK |
2846 | /* Only certain types of access ports can be setup as an Ethernet Segment */ |
2847 | bool zebra_evpn_is_if_es_capable(struct zebra_if *zif) | |
2848 | { | |
2849 | if (zif->zif_type == ZEBRA_IF_BOND) | |
2850 | return true; | |
2851 | ||
3fa177ee AK |
2852 | /* relax the checks to allow config to be applied in zebra |
2853 | * before interface is rxed from the kernel | |
2854 | */ | |
2855 | if (zif->ifp->ifindex == IFINDEX_INTERNAL) | |
2856 | return true; | |
2857 | ||
ce5160c0 AK |
2858 | /* XXX: allow swpX i.e. a regular ethernet port to be an ES link too */ |
2859 | return false; | |
2860 | } | |
2861 | ||
c15dc24f RW |
2862 | void zebra_evpn_if_es_print(struct vty *vty, json_object *json, |
2863 | struct zebra_if *zif) | |
ce5160c0 AK |
2864 | { |
2865 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b | 2866 | char esi_buf[ESI_STR_LEN]; |
c36e442c | 2867 | |
c15dc24f RW |
2868 | if (json) { |
2869 | json_object *json_evpn; | |
2870 | ||
2871 | json_evpn = json_object_new_object(); | |
2872 | json_object_object_add(json, "evpnMh", json_evpn); | |
2873 | ||
2874 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2875 | json_object_int_add(json_evpn, "esId", | |
2876 | zif->es_info.lid); | |
2877 | json_object_string_add( | |
2878 | json_evpn, "esSysmac", | |
2879 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2880 | sizeof(buf))); | |
2881 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2882 | sizeof(*zero_esi))) { | |
2883 | json_object_string_add(json_evpn, "esId", | |
2884 | esi_to_str(&zif->es_info.esi, | |
2885 | esi_buf, | |
2886 | sizeof(esi_buf))); | |
2887 | } | |
2888 | ||
2889 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
2890 | json_object_string_add( | |
2891 | json_evpn, "uplink", | |
2892 | CHECK_FLAG(zif->flags, | |
2893 | ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2894 | ? "up" | |
2895 | : "down"); | |
2896 | } else { | |
2897 | char mh_buf[80]; | |
2898 | bool vty_print = false; | |
2899 | ||
2900 | mh_buf[0] = '\0'; | |
2901 | strlcat(mh_buf, " EVPN-MH:", sizeof(mh_buf)); | |
2902 | if (zif->es_info.lid || !is_zero_mac(&zif->es_info.sysmac)) { | |
2903 | vty_print = true; | |
2904 | snprintf(mh_buf + strlen(mh_buf), | |
2905 | sizeof(mh_buf) - strlen(mh_buf), | |
2906 | " ES id %u ES sysmac %s", zif->es_info.lid, | |
2907 | prefix_mac2str(&zif->es_info.sysmac, buf, | |
2908 | sizeof(buf))); | |
2909 | } else if (memcmp(&zif->es_info.esi, zero_esi, | |
2910 | sizeof(*zero_esi))) { | |
2911 | vty_print = true; | |
2912 | snprintf(mh_buf + strnlen(mh_buf, sizeof(mh_buf)), | |
2913 | sizeof(mh_buf) | |
2914 | - strnlen(mh_buf, sizeof(mh_buf)), | |
2915 | " ES id %s", | |
2916 | esi_to_str(&zif->es_info.esi, esi_buf, | |
2917 | sizeof(esi_buf))); | |
2918 | } | |
ce5160c0 | 2919 | |
c15dc24f RW |
2920 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) { |
2921 | vty_print = true; | |
2922 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) | |
2923 | strlcat(mh_buf, " uplink (up)", sizeof(mh_buf)); | |
2924 | else | |
2925 | strlcat(mh_buf, " uplink (down)", | |
2926 | sizeof(mh_buf)); | |
2927 | } | |
2928 | ||
2929 | if (vty_print) | |
2930 | vty_out(vty, "%s\n", mh_buf); | |
2931 | } | |
ce5160c0 AK |
2932 | } |
2933 | ||
1a4f9efd AK |
2934 | static void zebra_evpn_local_mac_oper_state_change(struct zebra_evpn_es *es) |
2935 | { | |
3198b2b3 | 2936 | struct zebra_mac *mac; |
1a4f9efd AK |
2937 | struct listnode *node; |
2938 | ||
2939 | /* If fast-failover is supported by the dataplane via the use | |
2940 | * of an ES backup NHG there is nothing to be done in the | |
2941 | * control plane | |
2942 | */ | |
2943 | if (!(zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF)) | |
2944 | return; | |
2945 | ||
2946 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2947 | zlog_debug("mac slow-fail on es %s %s ", es->esi_str, | |
2948 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" : "down"); | |
2949 | ||
2950 | for (ALL_LIST_ELEMENTS_RO(es->mac_list, node, mac)) { | |
2951 | if (!(mac->flags & ZEBRA_MAC_LOCAL) | |
2952 | || !zebra_evpn_mac_is_static(mac)) | |
2953 | continue; | |
2954 | ||
2955 | if (es->flags & ZEBRA_EVPNES_OPER_UP) { | |
2956 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2957 | zlog_debug( | |
2958 | "VNI %u mac %pEA move to acc %s es %s %s ", | |
2959 | mac->zevpn->vni, | |
2960 | &mac->macaddr, | |
2961 | es->zif->ifp->name, es->esi_str, | |
2962 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2963 | ? "up" | |
2964 | : "down"); | |
2965 | /* switch the local macs to access port */ | |
2966 | if (zebra_evpn_sync_mac_dp_install( | |
2967 | mac, false /*set_inactive*/, | |
2968 | false /*force_clear_static*/, __func__) | |
2969 | < 0) | |
2970 | /* if the local mac install fails get rid of the | |
2971 | * old rem entry | |
2972 | */ | |
2973 | zebra_evpn_rem_mac_uninstall(mac->zevpn, mac, | |
2974 | true /*force*/); | |
2975 | } else { | |
2976 | /* switch the local macs to network port. if there | |
2977 | * is no active NHG we don't bother deleting the MAC; | |
2978 | * that is left up to the dataplane to handle. | |
2979 | */ | |
2980 | if (!(es->flags & ZEBRA_EVPNES_NHG_ACTIVE)) | |
2981 | continue; | |
2982 | if (IS_ZEBRA_DEBUG_EVPN_MH_MAC) | |
2983 | zlog_debug( | |
2984 | "VNI %u mac %pEA move to nhg %u es %s %s ", | |
2985 | mac->zevpn->vni, | |
2986 | &mac->macaddr, | |
2987 | es->nhg_id, es->esi_str, | |
2988 | (es->flags & ZEBRA_EVPNES_OPER_UP) | |
2989 | ? "up" | |
2990 | : "down"); | |
2991 | zebra_evpn_rem_mac_install(mac->zevpn, mac, | |
2992 | true /*was_static*/); | |
2993 | } | |
2994 | } | |
2995 | } | |
2996 | ||
ce5160c0 AK |
2997 | void zebra_evpn_es_if_oper_state_change(struct zebra_if *zif, bool up) |
2998 | { | |
2999 | struct zebra_evpn_es *es = zif->es_info.es; | |
3000 | bool old_up = !!(es->flags & ZEBRA_EVPNES_OPER_UP); | |
3001 | ||
3002 | if (old_up == up) | |
3003 | return; | |
3004 | ||
3005 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3006 | zlog_debug("es %s state changed to %s ", | |
3007 | es->esi_str, | |
3008 | up ? "up" : "down"); | |
3009 | if (up) | |
3010 | es->flags |= ZEBRA_EVPNES_OPER_UP; | |
3011 | else | |
3012 | es->flags &= ~ZEBRA_EVPNES_OPER_UP; | |
3013 | ||
1103c5c6 | 3014 | zebra_evpn_es_run_df_election(es, __func__); |
15400f95 | 3015 | zebra_evpn_local_mac_oper_state_change(es); |
1103c5c6 | 3016 | |
ce5160c0 AK |
3017 | /* inform BGP of the ES oper state change */ |
3018 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) | |
3019 | zebra_evpn_es_send_add_to_client(es); | |
3020 | } | |
3021 | ||
9e0c2fd1 AK |
3022 | static char *zebra_evpn_es_vtep_str(char *vtep_str, struct zebra_evpn_es *es, |
3023 | uint8_t vtep_str_size) | |
ce5160c0 AK |
3024 | { |
3025 | struct zebra_evpn_es_vtep *zvtep; | |
3026 | struct listnode *node; | |
3027 | bool first = true; | |
2747f6f7 | 3028 | char ip_buf[INET6_ADDRSTRLEN]; |
ce5160c0 AK |
3029 | |
3030 | vtep_str[0] = '\0'; | |
3031 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, zvtep)) { | |
3032 | if (first) { | |
3033 | first = false; | |
2747f6f7 AK |
3034 | strlcat(vtep_str, |
3035 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
3036 | sizeof(ip_buf)), | |
9e0c2fd1 | 3037 | vtep_str_size); |
ce5160c0 | 3038 | } else { |
9e0c2fd1 | 3039 | strlcat(vtep_str, ",", vtep_str_size); |
2747f6f7 AK |
3040 | strlcat(vtep_str, |
3041 | inet_ntop(AF_INET, &zvtep->vtep_ip, ip_buf, | |
3042 | sizeof(ip_buf)), | |
9e0c2fd1 | 3043 | vtep_str_size); |
ce5160c0 AK |
3044 | } |
3045 | } | |
3046 | return vtep_str; | |
3047 | } | |
3048 | ||
acffa256 AK |
3049 | static void zebra_evpn_es_json_vtep_fill(struct zebra_evpn_es *es, |
3050 | json_object *json_vteps) | |
3051 | { | |
3052 | struct zebra_evpn_es_vtep *es_vtep; | |
3053 | struct listnode *node; | |
3054 | json_object *json_vtep_entry; | |
3055 | char alg_buf[EVPN_DF_ALG_STR_LEN]; | |
3056 | ||
3057 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { | |
3058 | json_vtep_entry = json_object_new_object(); | |
08edf9c6 DA |
3059 | json_object_string_addf(json_vtep_entry, "vtep", "%pI4", |
3060 | &es_vtep->vtep_ip); | |
acffa256 AK |
3061 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) { |
3062 | json_object_string_add( | |
3063 | json_vtep_entry, "dfAlgorithm", | |
3064 | evpn_es_df_alg2str(es_vtep->df_alg, alg_buf, | |
3065 | sizeof(alg_buf))); | |
3066 | json_object_int_add(json_vtep_entry, "dfPreference", | |
3067 | es_vtep->df_pref); | |
3068 | } | |
5de10c37 AK |
3069 | if (es_vtep->nh) |
3070 | json_object_int_add(json_vtep_entry, "nexthopId", | |
3071 | es_vtep->nh->nh_id); | |
acffa256 AK |
3072 | json_object_array_add(json_vteps, json_vtep_entry); |
3073 | } | |
3074 | } | |
3075 | ||
3076 | static void zebra_evpn_es_show_entry(struct vty *vty, struct zebra_evpn_es *es, | |
3077 | json_object *json_array) | |
ce5160c0 | 3078 | { |
00a7710c | 3079 | char type_str[5]; |
ce5160c0 AK |
3080 | char vtep_str[ES_VTEP_LIST_STR_SZ]; |
3081 | ||
acffa256 AK |
3082 | if (json_array) { |
3083 | json_object *json = NULL; | |
3084 | json_object *json_vteps; | |
3085 | json_object *json_flags; | |
3086 | ||
3087 | json = json_object_new_object(); | |
3088 | json_object_string_add(json, "esi", es->esi_str); | |
3089 | ||
3090 | if (es->flags | |
3091 | & (ZEBRA_EVPNES_LOCAL | ZEBRA_EVPNES_REMOTE | |
3092 | | ZEBRA_EVPNES_NON_DF)) { | |
3093 | json_flags = json_object_new_array(); | |
3094 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3095 | json_array_string_add(json_flags, "local"); | |
3096 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3097 | json_array_string_add(json_flags, "remote"); | |
3098 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3099 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3100 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3101 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3102 | json_object_object_add(json, "flags", json_flags); |
3103 | } | |
3104 | ||
3105 | if (es->zif) | |
3106 | json_object_string_add(json, "accessPort", | |
3107 | es->zif->ifp->name); | |
3108 | ||
3109 | if (listcount(es->es_vtep_list)) { | |
3110 | json_vteps = json_object_new_array(); | |
3111 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3112 | json_object_object_add(json, "vteps", json_vteps); | |
3113 | } | |
3114 | json_object_array_add(json_array, json); | |
ce5160c0 AK |
3115 | } else { |
3116 | type_str[0] = '\0'; | |
3117 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3118 | strlcat(type_str, "L", sizeof(type_str)); |
ce5160c0 | 3119 | if (es->flags & ZEBRA_EVPNES_REMOTE) |
9e0c2fd1 | 3120 | strlcat(type_str, "R", sizeof(type_str)); |
1103c5c6 AK |
3121 | if (es->flags & ZEBRA_EVPNES_NON_DF) |
3122 | strlcat(type_str, "N", sizeof(type_str)); | |
00a7710c AK |
3123 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3124 | strlcat(type_str, "B", sizeof(type_str)); | |
ce5160c0 | 3125 | |
9e0c2fd1 | 3126 | zebra_evpn_es_vtep_str(vtep_str, es, sizeof(vtep_str)); |
ce5160c0 AK |
3127 | |
3128 | vty_out(vty, "%-30s %-4s %-21s %s\n", | |
3129 | es->esi_str, type_str, | |
3130 | es->zif ? es->zif->ifp->name : "-", | |
3131 | vtep_str); | |
3132 | } | |
3133 | } | |
3134 | ||
3135 | static void zebra_evpn_es_show_entry_detail(struct vty *vty, | |
3136 | struct zebra_evpn_es *es, json_object *json) | |
3137 | { | |
3138 | char type_str[80]; | |
1103c5c6 AK |
3139 | char alg_buf[EVPN_DF_ALG_STR_LEN]; |
3140 | struct zebra_evpn_es_vtep *es_vtep; | |
ce5160c0 | 3141 | struct listnode *node; |
35f5c31b | 3142 | char thread_buf[THREAD_TIMER_STRLEN]; |
ce5160c0 AK |
3143 | |
3144 | if (json) { | |
acffa256 AK |
3145 | json_object *json_vteps; |
3146 | json_object *json_flags; | |
3147 | ||
3148 | json_object_string_add(json, "esi", es->esi_str); | |
3149 | if (es->zif) | |
3150 | json_object_string_add(json, "accessPort", | |
3151 | es->zif->ifp->name); | |
3152 | ||
3153 | ||
3154 | if (es->flags) { | |
3155 | json_flags = json_object_new_array(); | |
3156 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
3157 | json_array_string_add(json_flags, "local"); | |
3158 | if (es->flags & ZEBRA_EVPNES_REMOTE) | |
3159 | json_array_string_add(json_flags, "remote"); | |
3160 | if (es->flags & ZEBRA_EVPNES_NON_DF) | |
3161 | json_array_string_add(json_flags, "nonDF"); | |
00a7710c AK |
3162 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3163 | json_array_string_add(json_flags, "bypass"); | |
acffa256 AK |
3164 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3165 | json_array_string_add(json_flags, | |
3166 | "readyForBgp"); | |
3167 | if (es->flags & ZEBRA_EVPNES_BR_PORT) | |
3168 | json_array_string_add(json_flags, "bridgePort"); | |
3169 | if (es->flags & ZEBRA_EVPNES_OPER_UP) | |
3170 | json_array_string_add(json_flags, "operUp"); | |
3171 | if (es->flags & ZEBRA_EVPNES_NHG_ACTIVE) | |
3172 | json_array_string_add(json_flags, | |
3173 | "nexthopGroupActive"); | |
3174 | json_object_object_add(json, "flags", json_flags); | |
3175 | } | |
3176 | ||
3177 | json_object_int_add(json, "vniCount", | |
3178 | listcount(es->es_evi_list)); | |
3179 | json_object_int_add(json, "macCount", listcount(es->mac_list)); | |
3180 | json_object_int_add(json, "dfPreference", es->df_pref); | |
35f5c31b AK |
3181 | if (es->df_delay_timer) |
3182 | json_object_string_add( | |
3183 | json, "dfDelayTimer", | |
3184 | thread_timer_to_hhmmss(thread_buf, | |
3185 | sizeof(thread_buf), | |
3186 | es->df_delay_timer)); | |
acffa256 AK |
3187 | json_object_int_add(json, "nexthopGroup", es->nhg_id); |
3188 | if (listcount(es->es_vtep_list)) { | |
3189 | json_vteps = json_object_new_array(); | |
3190 | zebra_evpn_es_json_vtep_fill(es, json_vteps); | |
3191 | json_object_object_add(json, "vteps", json_vteps); | |
3192 | } | |
ce5160c0 AK |
3193 | } else { |
3194 | type_str[0] = '\0'; | |
3195 | if (es->flags & ZEBRA_EVPNES_LOCAL) | |
9e0c2fd1 | 3196 | strlcat(type_str, "Local", sizeof(type_str)); |
ce5160c0 | 3197 | if (es->flags & ZEBRA_EVPNES_REMOTE) { |
9e0c2fd1 AK |
3198 | if (strnlen(type_str, sizeof(type_str))) |
3199 | strlcat(type_str, ",", sizeof(type_str)); | |
3200 | strlcat(type_str, "Remote", sizeof(type_str)); | |
ce5160c0 AK |
3201 | } |
3202 | ||
3203 | vty_out(vty, "ESI: %s\n", es->esi_str); | |
3204 | vty_out(vty, " Type: %s\n", type_str); | |
3205 | vty_out(vty, " Interface: %s\n", | |
3206 | (es->zif) ? | |
3207 | es->zif->ifp->name : "-"); | |
72f2674a AK |
3208 | if (es->flags & ZEBRA_EVPNES_LOCAL) { |
3209 | vty_out(vty, " State: %s\n", | |
3210 | (es->flags & ZEBRA_EVPNES_OPER_UP) ? "up" | |
3211 | : "down"); | |
3212 | vty_out(vty, " Bridge port: %s\n", | |
3213 | (es->flags & ZEBRA_EVPNES_BR_PORT) ? "yes" | |
3214 | : "no"); | |
3215 | } | |
ce5160c0 AK |
3216 | vty_out(vty, " Ready for BGP: %s\n", |
3217 | (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) ? | |
3218 | "yes" : "no"); | |
00a7710c AK |
3219 | if (es->flags & ZEBRA_EVPNES_BYPASS) |
3220 | vty_out(vty, " LACP bypass: on\n"); | |
ce5160c0 | 3221 | vty_out(vty, " VNI Count: %d\n", listcount(es->es_evi_list)); |
b169fd6f | 3222 | vty_out(vty, " MAC Count: %d\n", listcount(es->mac_list)); |
35f5c31b AK |
3223 | if (es->flags & ZEBRA_EVPNES_LOCAL) |
3224 | vty_out(vty, " DF status: %s \n", | |
3225 | (es->flags & ZEBRA_EVPNES_NON_DF) ? "non-df" | |
3226 | : "df"); | |
3227 | if (es->df_delay_timer) | |
3228 | vty_out(vty, " DF delay: %s\n", | |
3229 | thread_timer_to_hhmmss(thread_buf, | |
3230 | sizeof(thread_buf), | |
3231 | es->df_delay_timer)); | |
3232 | vty_out(vty, " DF preference: %u\n", es->df_pref); | |
dfa3d3d7 | 3233 | vty_out(vty, " Nexthop group: %u\n", es->nhg_id); |
ce5160c0 | 3234 | vty_out(vty, " VTEPs:\n"); |
1103c5c6 AK |
3235 | for (ALL_LIST_ELEMENTS_RO(es->es_vtep_list, node, es_vtep)) { |
3236 | vty_out(vty, " %pI4", | |
3237 | &es_vtep->vtep_ip); | |
3238 | if (es_vtep->flags & ZEBRA_EVPNES_VTEP_RXED_ESR) | |
3239 | vty_out(vty, " df_alg: %s df_pref: %d", | |
3240 | evpn_es_df_alg2str(es_vtep->df_alg, | |
3241 | alg_buf, | |
3242 | sizeof(alg_buf)), | |
3243 | es_vtep->df_pref); | |
5de10c37 AK |
3244 | vty_out(vty, " nh: %u\n", |
3245 | es_vtep->nh ? es_vtep->nh->nh_id : 0); | |
1103c5c6 | 3246 | } |
ce5160c0 AK |
3247 | |
3248 | vty_out(vty, "\n"); | |
3249 | } | |
3250 | } | |
3251 | ||
3252 | void zebra_evpn_es_show(struct vty *vty, bool uj) | |
3253 | { | |
3254 | struct zebra_evpn_es *es; | |
acffa256 | 3255 | json_object *json_array = NULL; |
ce5160c0 AK |
3256 | |
3257 | if (uj) { | |
acffa256 | 3258 | json_array = json_object_new_array(); |
ce5160c0 | 3259 | } else { |
00a7710c | 3260 | vty_out(vty, "Type: B bypass, L local, R remote, N non-DF\n"); |
ce5160c0 AK |
3261 | vty_out(vty, "%-30s %-4s %-21s %s\n", |
3262 | "ESI", "Type", "ES-IF", "VTEPs"); | |
3263 | } | |
3264 | ||
3265 | RB_FOREACH(es, zebra_es_rb_head, &zmh_info->es_rb_tree) | |
acffa256 AK |
3266 | zebra_evpn_es_show_entry(vty, es, json_array); |
3267 | ||
c48349e3 | 3268 | if (uj) |
962af8a8 | 3269 | vty_json(vty, json_array); |
ce5160c0 AK |
3270 | } |
3271 | ||
3272 | void zebra_evpn_es_show_detail(struct vty *vty, bool uj) | |
3273 | { | |
3274 | struct zebra_evpn_es *es; | |
acffa256 | 3275 | json_object *json_array = NULL; |
ce5160c0 | 3276 | |
acffa256 AK |
3277 | if (uj) |
3278 | json_array = json_object_new_array(); | |
3279 | ||
3280 | RB_FOREACH (es, zebra_es_rb_head, &zmh_info->es_rb_tree) { | |
3281 | json_object *json = NULL; | |
3282 | ||
3283 | if (uj) | |
3284 | json = json_object_new_object(); | |
ce5160c0 | 3285 | zebra_evpn_es_show_entry_detail(vty, es, json); |
acffa256 AK |
3286 | if (uj) |
3287 | json_object_array_add(json_array, json); | |
3288 | } | |
3289 | ||
c48349e3 | 3290 | if (uj) |
962af8a8 | 3291 | vty_json(vty, json_array); |
ce5160c0 AK |
3292 | } |
3293 | ||
3294 | void zebra_evpn_es_show_esi(struct vty *vty, bool uj, esi_t *esi) | |
3295 | { | |
3296 | struct zebra_evpn_es *es; | |
3297 | char esi_str[ESI_STR_LEN]; | |
3298 | json_object *json = NULL; | |
3299 | ||
acffa256 AK |
3300 | if (uj) |
3301 | json = json_object_new_object(); | |
3302 | ||
ce5160c0 AK |
3303 | es = zebra_evpn_es_find(esi); |
3304 | ||
acffa256 AK |
3305 | if (es) { |
3306 | zebra_evpn_es_show_entry_detail(vty, es, json); | |
3307 | } else { | |
3308 | if (!uj) { | |
3309 | esi_to_str(esi, esi_str, sizeof(esi_str)); | |
3310 | vty_out(vty, "ESI %s does not exist\n", esi_str); | |
3311 | } | |
ce5160c0 AK |
3312 | } |
3313 | ||
c48349e3 | 3314 | if (uj) |
962af8a8 | 3315 | vty_json(vty, json); |
ce5160c0 AK |
3316 | } |
3317 | ||
3318 | int zebra_evpn_mh_if_write(struct vty *vty, struct interface *ifp) | |
3319 | { | |
3320 | struct zebra_if *zif = ifp->info; | |
3321 | char buf[ETHER_ADDR_STRLEN]; | |
325d694b AK |
3322 | bool type_3_esi = false; |
3323 | char esi_buf[ESI_STR_LEN]; | |
ce5160c0 | 3324 | |
325d694b | 3325 | if (zif->es_info.lid) { |
ce5160c0 | 3326 | vty_out(vty, " evpn mh es-id %u\n", zif->es_info.lid); |
325d694b AK |
3327 | type_3_esi = true; |
3328 | } | |
ce5160c0 | 3329 | |
325d694b | 3330 | if (!is_zero_mac(&zif->es_info.sysmac)) { |
ce5160c0 AK |
3331 | vty_out(vty, " evpn mh es-sys-mac %s\n", |
3332 | prefix_mac2str(&zif->es_info.sysmac, | |
3333 | buf, sizeof(buf))); | |
325d694b AK |
3334 | type_3_esi = true; |
3335 | } | |
3336 | ||
3337 | if (!type_3_esi | |
3338 | && memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3339 | vty_out(vty, " evpn mh es-id %s\n", | |
3340 | esi_to_str(&zif->es_info.esi, esi_buf, sizeof(esi_buf))); | |
1103c5c6 AK |
3341 | |
3342 | if (zif->es_info.df_pref) | |
3343 | vty_out(vty, " evpn mh es-df-pref %u\n", zif->es_info.df_pref); | |
3344 | ||
c36e442c AK |
3345 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) |
3346 | vty_out(vty, " evpn mh uplink\n"); | |
3347 | ||
ce5160c0 AK |
3348 | return 0; |
3349 | } | |
3350 | ||
ce5160c0 | 3351 | #include "zebra/zebra_evpn_mh_clippy.c" |
00a7710c AK |
3352 | /* CLI for setting an ES in bypass mode */ |
3353 | DEFPY_HIDDEN(zebra_evpn_es_bypass, zebra_evpn_es_bypass_cmd, | |
3354 | "[no] evpn mh bypass", | |
3355 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "set bypass mode\n") | |
3356 | { | |
3357 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3358 | struct zebra_if *zif; | |
3359 | ||
3360 | zif = ifp->info; | |
3361 | ||
3362 | if (no) { | |
3363 | zebra_evpn_es_bypass_cfg_update(zif, false); | |
3364 | } else { | |
3365 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3366 | vty_out(vty, | |
21311bc8 | 3367 | "%% DF bypass cannot be associated with this interface type\n"); |
00a7710c AK |
3368 | return CMD_WARNING; |
3369 | } | |
3370 | zebra_evpn_es_bypass_cfg_update(zif, true); | |
3371 | } | |
3372 | return CMD_SUCCESS; | |
3373 | } | |
3374 | ||
1103c5c6 AK |
3375 | /* CLI for configuring DF preference part for an ES */ |
3376 | DEFPY(zebra_evpn_es_pref, zebra_evpn_es_pref_cmd, | |
3377 | "[no$no] evpn mh es-df-pref [(1-65535)$df_pref]", | |
3378 | NO_STR "EVPN\n" EVPN_MH_VTY_STR | |
3379 | "preference value used for DF election\n" | |
00a7710c | 3380 | "pref\n") |
1103c5c6 AK |
3381 | { |
3382 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3383 | struct zebra_if *zif; | |
3384 | ||
3385 | zif = ifp->info; | |
3386 | ||
3387 | if (no) { | |
3388 | zebra_evpn_es_df_pref_update(zif, 0); | |
3389 | } else { | |
3390 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3391 | vty_out(vty, | |
21311bc8 | 3392 | "%% DF preference cannot be associated with this interface type\n"); |
1103c5c6 AK |
3393 | return CMD_WARNING; |
3394 | } | |
3395 | zebra_evpn_es_df_pref_update(zif, df_pref); | |
3396 | } | |
3397 | return CMD_SUCCESS; | |
3398 | } | |
3399 | ||
ce5160c0 AK |
3400 | /* CLI for setting up sysmac part of ESI on an access port */ |
3401 | DEFPY(zebra_evpn_es_sys_mac, | |
3402 | zebra_evpn_es_sys_mac_cmd, | |
3403 | "[no$no] evpn mh es-sys-mac [X:X:X:X:X:X$mac]", | |
3404 | NO_STR | |
3405 | "EVPN\n" | |
3406 | EVPN_MH_VTY_STR | |
3407 | "Ethernet segment system MAC\n" | |
3408 | MAC_STR | |
3409 | ) | |
3410 | { | |
3411 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3412 | struct zebra_if *zif; | |
3413 | int ret = 0; | |
3414 | ||
3415 | zif = ifp->info; | |
3416 | ||
3417 | if (no) { | |
3418 | static struct ethaddr zero_mac; | |
3419 | ||
3420 | ret = zebra_evpn_es_sys_mac_update(zif, &zero_mac); | |
3421 | if (ret == -1) { | |
21311bc8 | 3422 | vty_out(vty, "%% Failed to clear ES sysmac\n"); |
ce5160c0 AK |
3423 | return CMD_WARNING; |
3424 | } | |
3425 | } else { | |
3426 | ||
3427 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3428 | vty_out(vty, | |
21311bc8 | 3429 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3430 | return CMD_WARNING; |
3431 | } | |
3432 | ||
3433 | if (!mac || is_zero_mac(&mac->eth_addr)) { | |
21311bc8 | 3434 | vty_out(vty, "%% ES sysmac value is invalid\n"); |
ce5160c0 AK |
3435 | return CMD_WARNING; |
3436 | } | |
3437 | ||
3438 | ret = zebra_evpn_es_sys_mac_update(zif, &mac->eth_addr); | |
3439 | if (ret == -1) { | |
21311bc8 | 3440 | vty_out(vty, |
3441 | "%% ESI already exists on a different interface\n"); | |
ce5160c0 AK |
3442 | return CMD_WARNING; |
3443 | } | |
3444 | } | |
3445 | return CMD_SUCCESS; | |
3446 | } | |
3447 | ||
3448 | /* CLI for setting up local-ID part of ESI on an access port */ | |
3449 | DEFPY(zebra_evpn_es_id, | |
3450 | zebra_evpn_es_id_cmd, | |
325d694b | 3451 | "[no$no] evpn mh es-id [(1-16777215)$es_lid | NAME$esi_str]", |
ce5160c0 AK |
3452 | NO_STR |
3453 | "EVPN\n" | |
3454 | EVPN_MH_VTY_STR | |
325d694b AK |
3455 | "Ethernet segment identifier\n" |
3456 | "local discriminator\n" | |
3457 | "10-byte ID - 00:AA:BB:CC:DD:EE:FF:GG:HH:II\n" | |
ce5160c0 AK |
3458 | ) |
3459 | { | |
3460 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3461 | struct zebra_if *zif; | |
325d694b AK |
3462 | int ret = 0; |
3463 | esi_t esi; | |
ce5160c0 AK |
3464 | |
3465 | zif = ifp->info; | |
3466 | ||
3467 | if (no) { | |
325d694b AK |
3468 | if (zif->es_info.lid) |
3469 | ret = zebra_evpn_es_lid_update(zif, 0); | |
3470 | else if (memcmp(&zif->es_info.esi, zero_esi, sizeof(*zero_esi))) | |
3471 | ret = zebra_evpn_es_type0_esi_update(zif, zero_esi); | |
3472 | ||
ce5160c0 | 3473 | if (ret == -1) { |
2e39ebbb | 3474 | vty_out(vty, |
3475 | "%% Failed to clear ES local id or ESI name\n"); | |
ce5160c0 AK |
3476 | return CMD_WARNING; |
3477 | } | |
3478 | } else { | |
3479 | if (!zebra_evpn_is_if_es_capable(zif)) { | |
3480 | vty_out(vty, | |
21311bc8 | 3481 | "%% ESI cannot be associated with this interface type\n"); |
ce5160c0 AK |
3482 | return CMD_WARNING; |
3483 | } | |
3484 | ||
325d694b AK |
3485 | if (esi_str) { |
3486 | if (!str_to_esi(esi_str, &esi)) { | |
2e39ebbb | 3487 | vty_out(vty, "%% Malformed ESI name\n"); |
325d694b AK |
3488 | return CMD_WARNING; |
3489 | } | |
3490 | ret = zebra_evpn_es_type0_esi_update(zif, &esi); | |
3491 | } else { | |
3492 | if (!es_lid) { | |
2e39ebbb | 3493 | vty_out(vty, |
3494 | "%% Specify ES local id or ESI name\n"); | |
325d694b AK |
3495 | return CMD_WARNING; |
3496 | } | |
3497 | ret = zebra_evpn_es_lid_update(zif, es_lid); | |
ce5160c0 | 3498 | } |
325d694b | 3499 | |
ce5160c0 AK |
3500 | if (ret == -1) { |
3501 | vty_out(vty, | |
21311bc8 | 3502 | "%% ESI already exists on a different interface\n"); |
ce5160c0 AK |
3503 | return CMD_WARNING; |
3504 | } | |
3505 | } | |
3506 | return CMD_SUCCESS; | |
3507 | } | |
3508 | ||
c36e442c AK |
3509 | /* CLI for tagging an interface as an uplink */ |
3510 | DEFPY(zebra_evpn_mh_uplink, zebra_evpn_mh_uplink_cmd, "[no] evpn mh uplink", | |
3511 | NO_STR "EVPN\n" EVPN_MH_VTY_STR "uplink to the VxLAN core\n") | |
3512 | { | |
3513 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
3514 | struct zebra_if *zif; | |
3515 | ||
3516 | zif = ifp->info; | |
3517 | zebra_evpn_mh_uplink_cfg_update(zif, no ? false : true); | |
3518 | ||
3519 | return CMD_SUCCESS; | |
3520 | } | |
3521 | ||
3522 | void zebra_evpn_mh_json(json_object *json) | |
3523 | { | |
3524 | json_object *json_array; | |
3525 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3526 | ||
3527 | json_object_int_add(json, "macHoldtime", zmh_info->mac_hold_time); | |
3528 | json_object_int_add(json, "neighHoldtime", zmh_info->neigh_hold_time); | |
3529 | json_object_int_add(json, "startupDelay", zmh_info->startup_delay_time); | |
3530 | json_object_string_add( | |
3531 | json, "startupDelayTimer", | |
3532 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3533 | zmh_info->startup_delay_timer)); | |
3534 | json_object_int_add(json, "uplinkConfigCount", | |
3535 | zmh_info->uplink_cfg_cnt); | |
3536 | json_object_int_add(json, "uplinkActiveCount", | |
3537 | zmh_info->uplink_oper_up_cnt); | |
3538 | ||
3539 | if (zmh_info->protodown_rc) { | |
3540 | json_array = json_object_new_array(); | |
7140b00c SW |
3541 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3542 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY)) | |
c36e442c AK |
3543 | json_object_array_add( |
3544 | json_array, | |
3545 | json_object_new_string("startupDelay")); | |
7140b00c SW |
3546 | if (CHECK_FLAG(zmh_info->protodown_rc, |
3547 | ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN)) | |
47c1d76a SW |
3548 | json_object_array_add( |
3549 | json_array, | |
c36e442c AK |
3550 | json_object_new_string("uplinkDown")); |
3551 | json_object_object_add(json, "protodownReasons", json_array); | |
3552 | } | |
3553 | } | |
3554 | ||
3555 | void zebra_evpn_mh_print(struct vty *vty) | |
3556 | { | |
3557 | char pd_buf[ZEBRA_PROTODOWN_RC_STR_LEN]; | |
3558 | char thread_buf[THREAD_TIMER_STRLEN]; | |
3559 | ||
3560 | vty_out(vty, "EVPN MH:\n"); | |
3561 | vty_out(vty, " mac-holdtime: %ds, neigh-holdtime: %ds\n", | |
3562 | zmh_info->mac_hold_time, zmh_info->neigh_hold_time); | |
3563 | vty_out(vty, " startup-delay: %ds, start-delay-timer: %s\n", | |
3564 | zmh_info->startup_delay_time, | |
3565 | thread_timer_to_hhmmss(thread_buf, sizeof(thread_buf), | |
3566 | zmh_info->startup_delay_timer)); | |
3567 | vty_out(vty, " uplink-cfg-cnt: %u, uplink-active-cnt: %u\n", | |
3568 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3569 | if (zmh_info->protodown_rc) | |
26ba45e3 | 3570 | vty_out(vty, " protodown reasons: %s\n", |
c36e442c AK |
3571 | zebra_protodown_rc_str(zmh_info->protodown_rc, pd_buf, |
3572 | sizeof(pd_buf))); | |
3573 | } | |
3574 | ||
ce5160c0 AK |
3575 | /*****************************************************************************/ |
3576 | /* A base L2-VNI is maintained to derive parameters such as ES originator-IP. | |
3577 | * XXX: once single vxlan device model becomes available this will not be | |
3578 | * necessary | |
3579 | */ | |
3580 | /* called when a new vni is added or becomes oper up or becomes a bridge port */ | |
f6371c34 | 3581 | void zebra_evpn_es_set_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3582 | { |
3583 | struct listnode *node; | |
3584 | struct zebra_evpn_es *es; | |
3585 | ||
87d76d54 PR |
3586 | if (zmh_info->es_base_evpn) { |
3587 | if (zmh_info->es_base_evpn != zevpn) { | |
3588 | /* unrelated EVPN; ignore it */ | |
ce5160c0 AK |
3589 | return; |
3590 | } | |
3591 | /* check if the local vtep-ip has changed */ | |
3592 | } else { | |
87d76d54 PR |
3593 | /* check if the EVPN can be used as base EVPN */ |
3594 | if (!zebra_evpn_send_to_client_ok(zevpn)) | |
ce5160c0 AK |
3595 | return; |
3596 | ||
3597 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3598 | zlog_debug("es base vni set to %d", | |
87d76d54 PR |
3599 | zevpn->vni); |
3600 | zmh_info->es_base_evpn = zevpn; | |
ce5160c0 AK |
3601 | } |
3602 | ||
3603 | /* update local VTEP-IP */ | |
3604 | if (zmh_info->es_originator_ip.s_addr == | |
87d76d54 | 3605 | zmh_info->es_base_evpn->local_vtep_ip.s_addr) |
ce5160c0 AK |
3606 | return; |
3607 | ||
3608 | zmh_info->es_originator_ip.s_addr = | |
87d76d54 | 3609 | zmh_info->es_base_evpn->local_vtep_ip.s_addr; |
ce5160c0 AK |
3610 | |
3611 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
9bcef951 MS |
3612 | zlog_debug("es originator ip set to %pI4", |
3613 | &zmh_info->es_base_evpn->local_vtep_ip); | |
ce5160c0 AK |
3614 | |
3615 | /* if originator ip changes we need to update bgp */ | |
3616 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
1103c5c6 AK |
3617 | zebra_evpn_es_run_df_election(es, __func__); |
3618 | ||
ce5160c0 AK |
3619 | if (es->flags & ZEBRA_EVPNES_READY_FOR_BGP) |
3620 | zebra_evpn_es_send_add_to_client(es); | |
3621 | else | |
3622 | zebra_evpn_es_re_eval_send_to_client(es, | |
3623 | true /* es_evi_re_reval */); | |
3624 | } | |
3625 | } | |
3626 | ||
3627 | /* called when a vni is removed or becomes oper down or is removed from a | |
3628 | * bridge | |
3629 | */ | |
f6371c34 | 3630 | void zebra_evpn_es_clear_base_evpn(struct zebra_evpn *zevpn) |
ce5160c0 AK |
3631 | { |
3632 | struct listnode *node; | |
3633 | struct zebra_evpn_es *es; | |
3634 | ||
87d76d54 | 3635 | if (zmh_info->es_base_evpn != zevpn) |
ce5160c0 AK |
3636 | return; |
3637 | ||
87d76d54 PR |
3638 | zmh_info->es_base_evpn = NULL; |
3639 | /* lost current base EVPN; try to find a new one */ | |
3640 | zebra_evpn_es_get_one_base_evpn(); | |
ce5160c0 | 3641 | |
87d76d54 PR |
3642 | /* couldn't locate an eligible base evpn */ |
3643 | if (!zmh_info->es_base_evpn && zmh_info->es_originator_ip.s_addr) { | |
ce5160c0 AK |
3644 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3645 | zlog_debug("es originator ip cleared"); | |
3646 | ||
3647 | zmh_info->es_originator_ip.s_addr = 0; | |
3648 | /* lost originator ip */ | |
3649 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) { | |
3650 | zebra_evpn_es_re_eval_send_to_client(es, | |
3651 | true /* es_evi_re_reval */); | |
3652 | } | |
3653 | } | |
3654 | } | |
3655 | ||
3656 | /* Locate an "eligible" L2-VNI to follow */ | |
87d76d54 | 3657 | static int zebra_evpn_es_get_one_base_evpn_cb(struct hash_bucket *b, void *data) |
ce5160c0 | 3658 | { |
f6371c34 | 3659 | struct zebra_evpn *zevpn = b->data; |
ce5160c0 | 3660 | |
87d76d54 | 3661 | zebra_evpn_es_set_base_evpn(zevpn); |
ce5160c0 | 3662 | |
87d76d54 | 3663 | if (zmh_info->es_base_evpn) |
ce5160c0 AK |
3664 | return HASHWALK_ABORT; |
3665 | ||
3666 | return HASHWALK_CONTINUE; | |
3667 | } | |
3668 | ||
87d76d54 | 3669 | /* locate a base_evpn to follow for the purposes of common params like |
ce5160c0 AK |
3670 | * originator IP |
3671 | */ | |
87d76d54 | 3672 | static void zebra_evpn_es_get_one_base_evpn(void) |
ce5160c0 AK |
3673 | { |
3674 | struct zebra_vrf *zvrf; | |
3675 | ||
3676 | zvrf = zebra_vrf_get_evpn(); | |
87d76d54 | 3677 | hash_walk(zvrf->evpn_table, zebra_evpn_es_get_one_base_evpn_cb, NULL); |
ce5160c0 AK |
3678 | } |
3679 | ||
c36e442c AK |
3680 | /***************************************************************************** |
3681 | * local ethernet segments can be error-disabled if the switch is not | |
3682 | * ready to start transmitting traffic via the VxLAN overlay | |
3683 | */ | |
3684 | bool zebra_evpn_is_es_bond(struct interface *ifp) | |
3685 | { | |
3686 | struct zebra_if *zif = ifp->info; | |
3687 | ||
3688 | return !!(struct zebra_if *)zif->es_info.es; | |
3689 | } | |
3690 | ||
3691 | bool zebra_evpn_is_es_bond_member(struct interface *ifp) | |
3692 | { | |
3693 | struct zebra_if *zif = ifp->info; | |
3694 | ||
3695 | return IS_ZEBRA_IF_BOND_SLAVE(zif->ifp) && zif->bondslave_info.bond_if | |
3696 | && ((struct zebra_if *)zif->bondslave_info.bond_if->info) | |
3697 | ->es_info.es; | |
3698 | } | |
3699 | ||
3700 | void zebra_evpn_mh_update_protodown_bond_mbr(struct zebra_if *zif, bool clear, | |
3701 | const char *caller) | |
3702 | { | |
c36e442c | 3703 | bool new_protodown; |
5d414138 SW |
3704 | uint32_t old_protodown_rc = 0; |
3705 | uint32_t new_protodown_rc = 0; | |
3706 | uint32_t protodown_rc = 0; | |
c36e442c AK |
3707 | |
3708 | if (!clear) { | |
3709 | struct zebra_if *bond_zif; | |
3710 | ||
3711 | bond_zif = zif->bondslave_info.bond_if->info; | |
3712 | protodown_rc = bond_zif->protodown_rc; | |
3713 | } | |
3714 | ||
c36e442c | 3715 | old_protodown_rc = zif->protodown_rc; |
26a64ff9 | 3716 | new_protodown_rc = (old_protodown_rc & ~ZEBRA_PROTODOWN_EVPN_ALL); |
5d414138 SW |
3717 | new_protodown_rc |= (protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); |
3718 | new_protodown = !!new_protodown_rc; | |
c36e442c | 3719 | |
5d414138 | 3720 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES && (new_protodown_rc != old_protodown_rc)) |
c36e442c AK |
3721 | zlog_debug( |
3722 | "%s bond mbr %s protodown_rc changed; old 0x%x new 0x%x", | |
3723 | caller, zif->ifp->name, old_protodown_rc, | |
5d414138 | 3724 | new_protodown_rc); |
c36e442c | 3725 | |
cb5b31f5 SW |
3726 | if (zebra_if_update_protodown_rc(zif->ifp, new_protodown, |
3727 | new_protodown_rc) == 0) { | |
5d414138 SW |
3728 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) |
3729 | zlog_debug("%s protodown %s", zif->ifp->name, | |
3730 | new_protodown ? "on" : "off"); | |
3731 | } | |
c36e442c AK |
3732 | } |
3733 | ||
3734 | /* The bond members inherit the protodown reason code from the bond */ | |
3735 | static void zebra_evpn_mh_update_protodown_bond(struct zebra_if *bond_zif) | |
3736 | { | |
3737 | struct zebra_if *zif; | |
3738 | struct listnode *node; | |
3739 | ||
3740 | if (!bond_zif->bond_info.mbr_zifs) | |
3741 | return; | |
3742 | ||
3743 | for (ALL_LIST_ELEMENTS_RO(bond_zif->bond_info.mbr_zifs, node, zif)) { | |
3744 | zebra_evpn_mh_update_protodown_bond_mbr(zif, false /*clear*/, | |
3745 | __func__); | |
3746 | } | |
3747 | } | |
3748 | ||
3749 | /* The global EVPN MH protodown rc is applied to all local ESs */ | |
2bcf92e1 AK |
3750 | static void zebra_evpn_mh_update_protodown_es(struct zebra_evpn_es *es, |
3751 | bool resync_dplane) | |
c36e442c AK |
3752 | { |
3753 | struct zebra_if *zif; | |
5d414138 | 3754 | uint32_t old_protodown_rc; |
c36e442c AK |
3755 | |
3756 | zif = es->zif; | |
2bcf92e1 AK |
3757 | /* if the reason code is the same bail unless it is a new |
3758 | * ES bond in that case we would need to ensure that the | |
3759 | * dplane is really in sync with zebra | |
3760 | */ | |
3761 | if (!resync_dplane | |
3762 | && (zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL) | |
3763 | == (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
c36e442c AK |
3764 | return; |
3765 | ||
3766 | old_protodown_rc = zif->protodown_rc; | |
3767 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3768 | zif->protodown_rc |= | |
3769 | (zmh_info->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL); | |
3770 | ||
2bcf92e1 AK |
3771 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES |
3772 | && (old_protodown_rc != zif->protodown_rc)) | |
c36e442c AK |
3773 | zlog_debug( |
3774 | "es %s ifp %s protodown_rc changed; old 0x%x new 0x%x", | |
3775 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3776 | zif->protodown_rc); | |
3777 | ||
3778 | /* update dataplane with the new protodown setting */ | |
3779 | zebra_evpn_mh_update_protodown_bond(zif); | |
3780 | } | |
3781 | ||
3782 | static void zebra_evpn_mh_clear_protodown_es(struct zebra_evpn_es *es) | |
3783 | { | |
3784 | struct zebra_if *zif; | |
5d414138 | 3785 | uint32_t old_protodown_rc; |
c36e442c AK |
3786 | |
3787 | zif = es->zif; | |
3788 | if (!(zif->protodown_rc & ZEBRA_PROTODOWN_EVPN_ALL)) | |
3789 | return; | |
3790 | ||
3791 | old_protodown_rc = zif->protodown_rc; | |
3792 | zif->protodown_rc &= ~ZEBRA_PROTODOWN_EVPN_ALL; | |
3793 | ||
3794 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3795 | zlog_debug( | |
3796 | "clear: es %s ifp %s protodown_rc cleared; old 0x%x new 0x%x", | |
3797 | es->esi_str, zif->ifp->name, old_protodown_rc, | |
3798 | zif->protodown_rc); | |
3799 | ||
3800 | /* update dataplane with the new protodown setting */ | |
3801 | zebra_evpn_mh_update_protodown_bond(zif); | |
3802 | } | |
3803 | ||
3804 | static void zebra_evpn_mh_update_protodown_es_all(void) | |
3805 | { | |
3806 | struct listnode *node; | |
3807 | struct zebra_evpn_es *es; | |
3808 | ||
3809 | for (ALL_LIST_ELEMENTS_RO(zmh_info->local_es_list, node, es)) | |
2bcf92e1 | 3810 | zebra_evpn_mh_update_protodown_es(es, false /*resync_dplane*/); |
c36e442c AK |
3811 | } |
3812 | ||
5d414138 | 3813 | static void zebra_evpn_mh_update_protodown(uint32_t protodown_rc, bool set) |
c36e442c | 3814 | { |
5d414138 | 3815 | uint32_t old_protodown_rc = zmh_info->protodown_rc; |
c36e442c AK |
3816 | |
3817 | if (set) { | |
3818 | if ((protodown_rc & zmh_info->protodown_rc) == protodown_rc) | |
3819 | return; | |
3820 | ||
3821 | zmh_info->protodown_rc |= protodown_rc; | |
3822 | } else { | |
3823 | if (!(protodown_rc & zmh_info->protodown_rc)) | |
3824 | return; | |
3825 | zmh_info->protodown_rc &= ~protodown_rc; | |
3826 | } | |
3827 | ||
3828 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3829 | zlog_debug("mh protodown_rc changed; old 0x%x new 0x%x", | |
3830 | old_protodown_rc, zmh_info->protodown_rc); | |
3831 | zebra_evpn_mh_update_protodown_es_all(); | |
3832 | } | |
3833 | ||
3834 | static inline bool zebra_evpn_mh_is_all_uplinks_down(void) | |
3835 | { | |
3836 | return zmh_info->uplink_cfg_cnt && !zmh_info->uplink_oper_up_cnt; | |
3837 | } | |
3838 | ||
3839 | static void zebra_evpn_mh_uplink_oper_flags_update(struct zebra_if *zif, | |
3840 | bool set) | |
3841 | { | |
9a8fc8f8 | 3842 | if (set && if_is_operative(zif->ifp)) { |
3843 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP)) { | |
3844 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3845 | ++zmh_info->uplink_oper_up_cnt; | |
c36e442c AK |
3846 | } |
3847 | } else { | |
3848 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP) { | |
3849 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK_OPER_UP; | |
3850 | if (zmh_info->uplink_oper_up_cnt) | |
3851 | --zmh_info->uplink_oper_up_cnt; | |
3852 | } | |
3853 | } | |
3854 | } | |
3855 | ||
3856 | static void zebra_evpn_mh_uplink_cfg_update(struct zebra_if *zif, bool set) | |
3857 | { | |
3858 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3859 | bool new_protodown; | |
3860 | ||
3861 | if (set) { | |
3862 | if (zif->flags & ZIF_FLAG_EVPN_MH_UPLINK) | |
3863 | return; | |
3864 | ||
3865 | zif->flags |= ZIF_FLAG_EVPN_MH_UPLINK; | |
3866 | ++zmh_info->uplink_cfg_cnt; | |
3867 | } else { | |
3868 | if (!(zif->flags & ZIF_FLAG_EVPN_MH_UPLINK)) | |
3869 | return; | |
3870 | ||
3871 | zif->flags &= ~ZIF_FLAG_EVPN_MH_UPLINK; | |
3872 | if (zmh_info->uplink_cfg_cnt) | |
3873 | --zmh_info->uplink_cfg_cnt; | |
3874 | } | |
3875 | ||
3876 | zebra_evpn_mh_uplink_oper_flags_update(zif, set); | |
3877 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3878 | if (old_protodown == new_protodown) | |
3879 | return; | |
3880 | ||
3881 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3882 | zlog_debug( | |
3883 | "mh-uplink-cfg-chg on if %s/%d %s uplinks cfg %u up %u", | |
3884 | zif->ifp->name, zif->ifp->ifindex, set ? "set" : "down", | |
3885 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3886 | ||
3887 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, | |
3888 | new_protodown); | |
3889 | } | |
3890 | ||
3891 | void zebra_evpn_mh_uplink_oper_update(struct zebra_if *zif) | |
3892 | { | |
3893 | bool old_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3894 | bool new_protodown; | |
3895 | ||
3896 | zebra_evpn_mh_uplink_oper_flags_update(zif, true /*set*/); | |
3897 | ||
3898 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3899 | zlog_debug( | |
3900 | "mh-uplink-oper-chg on if %s/%d %s; uplinks cfg %u up %u", | |
3901 | zif->ifp->name, zif->ifp->ifindex, | |
3902 | if_is_operative(zif->ifp) ? "up" : "down", | |
3903 | zmh_info->uplink_cfg_cnt, zmh_info->uplink_oper_up_cnt); | |
3904 | ||
3905 | new_protodown = zebra_evpn_mh_is_all_uplinks_down(); | |
3906 | if (old_protodown == new_protodown) | |
3907 | return; | |
3908 | ||
dc261b8d AK |
3909 | /* if protodown_rc XXX_UPLINK_DOWN is about to be cleared |
3910 | * fire up the start-up delay timer to allow the EVPN network | |
3911 | * to converge (Type-2 routes need to be advertised and processed) | |
3912 | */ | |
3913 | if (!new_protodown && (zmh_info->uplink_oper_up_cnt == 1)) | |
3914 | zebra_evpn_mh_startup_delay_timer_start("uplink-up"); | |
3915 | ||
c36e442c AK |
3916 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_UPLINK_DOWN, |
3917 | new_protodown); | |
3918 | } | |
3919 | ||
e6685141 | 3920 | static void zebra_evpn_mh_startup_delay_exp_cb(struct event *t) |
c36e442c AK |
3921 | { |
3922 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3923 | zlog_debug("startup-delay expired"); | |
3924 | ||
3925 | zebra_evpn_mh_update_protodown(ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, | |
3926 | false /* set */); | |
c36e442c AK |
3927 | } |
3928 | ||
dc261b8d | 3929 | static void zebra_evpn_mh_startup_delay_timer_start(const char *rc) |
c36e442c | 3930 | { |
c36e442c AK |
3931 | if (zmh_info->startup_delay_timer) { |
3932 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
3933 | zlog_debug("startup-delay timer cancelled"); | |
35f5c31b | 3934 | THREAD_OFF(zmh_info->startup_delay_timer); |
c36e442c AK |
3935 | } |
3936 | ||
3937 | if (zmh_info->startup_delay_time) { | |
3938 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
dc261b8d AK |
3939 | zlog_debug( |
3940 | "startup-delay timer started for %d sec on %s", | |
3941 | zmh_info->startup_delay_time, rc); | |
c36e442c AK |
3942 | thread_add_timer(zrouter.master, |
3943 | zebra_evpn_mh_startup_delay_exp_cb, NULL, | |
3944 | zmh_info->startup_delay_time, | |
3945 | &zmh_info->startup_delay_timer); | |
3946 | zebra_evpn_mh_update_protodown( | |
3947 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, true /* set */); | |
3948 | } else { | |
3949 | zebra_evpn_mh_update_protodown( | |
3950 | ZEBRA_PROTODOWN_EVPN_STARTUP_DELAY, false /* set */); | |
3951 | } | |
3952 | } | |
3953 | ||
7bfa7d02 AK |
3954 | /***************************************************************************** |
3955 | * Nexthop management: nexthops associated with Type-2 routes that have | |
3956 | * an ES as destination are consolidated by BGP into a per-VRF nh->rmac | |
3957 | * mapping which is the installed as a remote neigh/fdb entry with a | |
3958 | * dummy (type-1) prefix referencing it. | |
3959 | * This handling is needed because Type-2 routes with ES as dest use NHG | |
3960 | * that are setup using EAD routes (i.e. such NHGs do not include the | |
3961 | * RMAC info). | |
3962 | ****************************************************************************/ | |
3963 | void zebra_evpn_proc_remote_nh(ZAPI_HANDLER_ARGS) | |
3964 | { | |
3965 | struct stream *s; | |
3966 | vrf_id_t vrf_id; | |
3967 | struct ipaddr nh; | |
3968 | struct ethaddr rmac; | |
3969 | struct prefix_evpn dummy_prefix; | |
86d87c53 | 3970 | size_t min_len = 4 + sizeof(nh); |
7bfa7d02 AK |
3971 | |
3972 | s = msg; | |
86d87c53 DS |
3973 | |
3974 | /* | |
3975 | * Ensure that the stream sent to us is long enough | |
3976 | */ | |
3977 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) | |
3978 | min_len += sizeof(rmac); | |
3979 | if (hdr->length < min_len) | |
3980 | return; | |
3981 | ||
7bfa7d02 AK |
3982 | vrf_id = stream_getl(s); |
3983 | stream_get(&nh, s, sizeof(nh)); | |
3984 | ||
3985 | memset(&dummy_prefix, 0, sizeof(dummy_prefix)); | |
3986 | dummy_prefix.family = AF_EVPN; | |
3987 | dummy_prefix.prefixlen = (sizeof(struct evpn_addr) * 8); | |
3988 | dummy_prefix.prefix.route_type = 1; /* XXX - fixup to type-1 def */ | |
82732723 | 3989 | dummy_prefix.prefix.ead_addr.ip.ipa_type = nh.ipa_type; |
7bfa7d02 AK |
3990 | |
3991 | if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) { | |
3992 | stream_get(&rmac, s, sizeof(rmac)); | |
3993 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
3994 | zlog_debug( |
3995 | "evpn remote nh %d %pIA rmac %pEA add pfx %pFX", | |
3996 | vrf_id, &nh, &rmac, &dummy_prefix); | |
32367e7a | 3997 | zebra_rib_queue_evpn_route_add(vrf_id, &rmac, &nh, |
7bfa7d02 AK |
3998 | (struct prefix *)&dummy_prefix); |
3999 | } else { | |
4000 | if (IS_ZEBRA_DEBUG_EVPN_MH_ES) | |
82732723 AK |
4001 | zlog_debug("evpn remote nh %d %pIA del pfx %pFX", |
4002 | vrf_id, &nh, &dummy_prefix); | |
32367e7a | 4003 | zebra_rib_queue_evpn_route_del(vrf_id, &nh, |
7bfa7d02 AK |
4004 | (struct prefix *)&dummy_prefix); |
4005 | } | |
4006 | } | |
4007 | ||
ce5160c0 | 4008 | /*****************************************************************************/ |
b169fd6f AK |
4009 | void zebra_evpn_mh_config_write(struct vty *vty) |
4010 | { | |
c36e442c AK |
4011 | if (zmh_info->mac_hold_time != ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF) |
4012 | vty_out(vty, "evpn mh mac-holdtime %d\n", | |
b169fd6f AK |
4013 | zmh_info->mac_hold_time); |
4014 | ||
c36e442c AK |
4015 | if (zmh_info->neigh_hold_time != ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF) |
4016 | vty_out(vty, "evpn mh neigh-holdtime %d\n", | |
b169fd6f | 4017 | zmh_info->neigh_hold_time); |
c36e442c AK |
4018 | |
4019 | if (zmh_info->startup_delay_time != ZEBRA_EVPN_MH_STARTUP_DELAY_DEF) | |
4020 | vty_out(vty, "evpn mh startup-delay %d\n", | |
4021 | zmh_info->startup_delay_time); | |
15400f95 AK |
4022 | |
4023 | if (zmh_info->flags & ZEBRA_EVPN_MH_REDIRECT_OFF) | |
4024 | vty_out(vty, "evpn mh redirect-off\n"); | |
b169fd6f AK |
4025 | } |
4026 | ||
4027 | int zebra_evpn_mh_neigh_holdtime_update(struct vty *vty, | |
4028 | uint32_t duration, bool set_default) | |
4029 | { | |
4030 | if (set_default) | |
c36e442c | 4031 | duration = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; |
b169fd6f AK |
4032 | |
4033 | zmh_info->neigh_hold_time = duration; | |
4034 | ||
4035 | return 0; | |
4036 | } | |
4037 | ||
4038 | int zebra_evpn_mh_mac_holdtime_update(struct vty *vty, | |
4039 | uint32_t duration, bool set_default) | |
4040 | { | |
4041 | if (set_default) | |
c36e442c | 4042 | duration = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
b169fd6f AK |
4043 | |
4044 | zmh_info->mac_hold_time = duration; | |
4045 | ||
4046 | return 0; | |
4047 | } | |
4048 | ||
c36e442c AK |
4049 | int zebra_evpn_mh_startup_delay_update(struct vty *vty, uint32_t duration, |
4050 | bool set_default) | |
4051 | { | |
4052 | if (set_default) | |
4053 | duration = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
4054 | ||
4055 | zmh_info->startup_delay_time = duration; | |
dc261b8d AK |
4056 | |
4057 | /* if startup_delay_timer is running allow it to be adjusted | |
4058 | * up or down | |
4059 | */ | |
4060 | if (zmh_info->startup_delay_timer) | |
4061 | zebra_evpn_mh_startup_delay_timer_start("config"); | |
c36e442c AK |
4062 | |
4063 | return 0; | |
4064 | } | |
4065 | ||
15400f95 AK |
4066 | int zebra_evpn_mh_redirect_off(struct vty *vty, bool redirect_off) |
4067 | { | |
4068 | /* This knob needs to be set before ESs are configured | |
4069 | * i.e. cannot be changed on the fly | |
4070 | */ | |
4071 | if (redirect_off) | |
4072 | zmh_info->flags |= ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4073 | else | |
4074 | zmh_info->flags &= ~ZEBRA_EVPN_MH_REDIRECT_OFF; | |
4075 | ||
4076 | return 0; | |
4077 | } | |
4078 | ||
ce5160c0 AK |
4079 | void zebra_evpn_interface_init(void) |
4080 | { | |
4081 | install_element(INTERFACE_NODE, &zebra_evpn_es_id_cmd); | |
4082 | install_element(INTERFACE_NODE, &zebra_evpn_es_sys_mac_cmd); | |
1103c5c6 | 4083 | install_element(INTERFACE_NODE, &zebra_evpn_es_pref_cmd); |
00a7710c | 4084 | install_element(INTERFACE_NODE, &zebra_evpn_es_bypass_cmd); |
c36e442c | 4085 | install_element(INTERFACE_NODE, &zebra_evpn_mh_uplink_cmd); |
ce5160c0 AK |
4086 | } |
4087 | ||
4088 | void zebra_evpn_mh_init(void) | |
4089 | { | |
4090 | zrouter.mh_info = XCALLOC(MTYPE_ZMH_INFO, sizeof(*zrouter.mh_info)); | |
4091 | ||
c36e442c AK |
4092 | zmh_info->mac_hold_time = ZEBRA_EVPN_MH_MAC_HOLD_TIME_DEF; |
4093 | zmh_info->neigh_hold_time = ZEBRA_EVPN_MH_NEIGH_HOLD_TIME_DEF; | |
ce5160c0 AK |
4094 | /* setup ES tables */ |
4095 | RB_INIT(zebra_es_rb_head, &zmh_info->es_rb_tree); | |
4096 | zmh_info->local_es_list = list_new(); | |
4097 | listset_app_node_mem(zmh_info->local_es_list); | |
4098 | ||
4099 | bf_init(zmh_info->nh_id_bitmap, EVPN_NH_ID_MAX); | |
4100 | bf_assign_zero_index(zmh_info->nh_id_bitmap); | |
15400f95 AK |
4101 | zmh_info->nhg_table = hash_create(zebra_evpn_nhg_hash_keymake, |
4102 | zebra_evpn_nhg_cmp, "l2 NHG table"); | |
5de10c37 AK |
4103 | zmh_info->nh_ip_table = |
4104 | hash_create(zebra_evpn_nh_ip_hash_keymake, zebra_evpn_nh_ip_cmp, | |
4105 | "l2 NH IP table"); | |
ce5160c0 AK |
4106 | |
4107 | /* setup broadcast domain tables */ | |
4108 | zmh_info->evpn_vlan_table = hash_create(zebra_evpn_acc_vl_hash_keymake, | |
4109 | zebra_evpn_acc_vl_cmp, "access VLAN hash table"); | |
c36e442c AK |
4110 | |
4111 | zmh_info->startup_delay_time = ZEBRA_EVPN_MH_STARTUP_DELAY_DEF; | |
dc261b8d | 4112 | zebra_evpn_mh_startup_delay_timer_start("init"); |
ce5160c0 AK |
4113 | } |
4114 | ||
4115 | void zebra_evpn_mh_terminate(void) | |
4116 | { | |
4117 | list_delete(&zmh_info->local_es_list); | |
4118 | ||
4119 | hash_iterate(zmh_info->evpn_vlan_table, | |
4120 | zebra_evpn_acc_vl_cleanup_all, NULL); | |
4121 | hash_free(zmh_info->evpn_vlan_table); | |
5de10c37 AK |
4122 | hash_free(zmh_info->nhg_table); |
4123 | hash_free(zmh_info->nh_ip_table); | |
de86cc5b | 4124 | bf_free(zmh_info->nh_id_bitmap); |
823d80d1 DS |
4125 | |
4126 | XFREE(MTYPE_ZMH_INFO, zrouter.mh_info); | |
ce5160c0 | 4127 | } |