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13d60d35 | 1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
43e52561 | 25 | #include "hash.h" |
13d60d35 | 26 | #include "if.h" |
43e52561 | 27 | #include "jhash.h" |
13d60d35 | 28 | #include "linklist.h" |
43e52561 QY |
29 | #include "log.h" |
30 | #include "memory.h" | |
31 | #include "prefix.h" | |
13d60d35 | 32 | #include "stream.h" |
43e52561 | 33 | #include "table.h" |
13d60d35 | 34 | #include "vlan.h" |
35 | #include "vxlan.h" | |
68e33151 CS |
36 | #ifdef GNU_LINUX |
37 | #include <linux/neighbour.h> | |
38 | #endif | |
13d60d35 | 39 | |
89272910 | 40 | #include "zebra/zebra_router.h" |
43e52561 QY |
41 | #include "zebra/debug.h" |
42 | #include "zebra/interface.h" | |
13d60d35 | 43 | #include "zebra/rib.h" |
44 | #include "zebra/rt.h" | |
43e52561 QY |
45 | #include "zebra/rt_netlink.h" |
46 | #include "zebra/zebra_errors.h" | |
47 | #include "zebra/zebra_l2.h" | |
48 | #include "zebra/zebra_memory.h" | |
13d60d35 | 49 | #include "zebra/zebra_ns.h" |
13d60d35 | 50 | #include "zebra/zebra_vrf.h" |
13d60d35 | 51 | #include "zebra/zebra_vxlan.h" |
43e52561 | 52 | #include "zebra/zebra_vxlan_private.h" |
3801e764 | 53 | #include "zebra/zebra_router.h" |
13d60d35 | 54 | |
6134fd82 | 55 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 58 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 59 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
60 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 61 | |
62 | /* definitions */ | |
63 | ||
13d60d35 | 64 | /* static function declarations */ |
996c9314 LB |
65 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
66 | uint16_t cmd); | |
cd233079 | 67 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
e3b78da8 TB |
68 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt); |
69 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt); | |
70 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, | |
cd233079 | 71 | void **args); |
c0e519d3 MK |
72 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
73 | json_object *json); | |
316f4ca4 MK |
74 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
75 | json_object *json); | |
24cdbd0d | 76 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json); |
e3b78da8 TB |
77 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt); |
78 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt); | |
cd233079 | 79 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
e3b78da8 | 80 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]); |
d62a17ae | 81 | |
996c9314 | 82 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 83 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 84 | uint32_t seq, int state, uint16_t cmd); |
d62a17ae | 85 | static unsigned int neigh_hash_keymake(void *p); |
d62a17ae | 86 | static void *zvni_neigh_alloc(void *p); |
b6938a74 MK |
87 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
88 | struct ethaddr *mac); | |
d62a17ae | 89 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 90 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
91 | struct in_addr *r_vtep_ip); | |
996c9314 | 92 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 93 | uint32_t flags); |
d62a17ae | 94 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 95 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 96 | struct ethaddr *macaddr, |
f07e1c99 | 97 | uint8_t flags, uint32_t seq); |
996c9314 | 98 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 99 | struct ethaddr *macaddr, |
2c476b72 | 100 | uint8_t flags, int state); |
d62a17ae | 101 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
102 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
44bc8ae5 | 103 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n); |
b7cfce93 | 104 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
105 | struct interface *br_if); |
106 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 107 | |
b7cfce93 | 108 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 109 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
110 | struct ipaddr *ip); |
111 | static void *zl3vni_nh_alloc(void *p); | |
112 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
113 | struct ipaddr *vtep_ip, | |
114 | struct ethaddr *rmac); | |
115 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
116 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 117 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
118 | |
119 | /* l3-vni rmac related APIs */ | |
e3b78da8 | 120 | static void zl3vni_print_rmac_hash(struct hash_bucket *, void *); |
2dbad57f | 121 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
122 | struct ethaddr *rmac); |
123 | static void *zl3vni_rmac_alloc(void *p); | |
124 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
125 | struct ethaddr *rmac); | |
126 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
127 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 128 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
129 | |
130 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
131 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
132 | static void *zl3vni_alloc(void *p); | |
133 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
134 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
135 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
136 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
137 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
138 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
139 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
140 | ||
d62a17ae | 141 | static unsigned int mac_hash_keymake(void *p); |
74df8d6d | 142 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 143 | static void *zvni_mac_alloc(void *p); |
144 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
145 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 146 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
147 | struct in_addr *r_vtep_ip); | |
996c9314 | 148 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 149 | uint32_t flags); |
d62a17ae | 150 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 151 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 152 | uint8_t flags, uint32_t seq); |
e98e4b88 | 153 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr); |
d62a17ae | 154 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
155 | struct interface *br_if, vlanid_t vid); | |
156 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 157 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
e3b78da8 | 158 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt); |
d62a17ae | 159 | |
160 | static unsigned int vni_hash_keymake(void *p); | |
d62a17ae | 161 | static void *zvni_alloc(void *p); |
2853fed6 | 162 | static zebra_vni_t *zvni_lookup(vni_t vni); |
163 | static zebra_vni_t *zvni_add(vni_t vni); | |
164 | static int zvni_del(zebra_vni_t *zvni); | |
165 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
166 | static int zvni_send_del_to_client(vni_t vni); | |
4d762f26 | 167 | static void zvni_build_hash_table(void); |
d62a17ae | 168 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
169 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
170 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
171 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
172 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
173 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
174 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
175 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
176 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
177 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
178 | struct ethaddr *macaddr, struct ipaddr *ip); | |
179 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
180 | struct ipaddr *ip); | |
181 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 182 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
278e26de | 183 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni); |
e22a946a CS |
184 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, |
185 | zebra_mac_t *old_zmac, | |
186 | zebra_mac_t *new_zmac, | |
187 | zebra_neigh_t *nbr); | |
fe697c6b | 188 | static int remote_neigh_count(zebra_mac_t *zmac); |
189 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
c80a972c CS |
190 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t); |
191 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t); | |
7510e459 CS |
192 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
193 | zebra_neigh_t *nbr, | |
194 | struct in_addr vtep_ip, | |
195 | bool do_dad, | |
196 | bool *is_dup_detect, | |
197 | bool is_local); | |
bdca1974 CS |
198 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
199 | zebra_mac_t *mac, | |
200 | struct in_addr vtep_ip, | |
201 | bool do_dad, | |
202 | bool *is_dup_detect, | |
203 | bool is_local); | |
13d60d35 | 204 | |
205 | /* Private functions */ | |
5e1b0650 | 206 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 207 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
208 | { |
209 | if (hle1->p.family < hle2->p.family) | |
210 | return -1; | |
211 | ||
212 | if (hle1->p.family > hle2->p.family) | |
213 | return 1; | |
214 | ||
215 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
216 | return -1; | |
217 | ||
218 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
219 | return 1; | |
220 | ||
221 | if (hle1->p.family == AF_INET) { | |
222 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
223 | return -1; | |
224 | ||
225 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
226 | return 1; | |
227 | ||
228 | return 0; | |
2acc2310 DS |
229 | } else if (hle1->p.family == AF_INET6) { |
230 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
231 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 232 | } else { |
9df414fe QY |
233 | zlog_debug("%s: Unexpected family type: %d", |
234 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
235 | return 0; |
236 | } | |
237 | } | |
85442b09 | 238 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 239 | |
85442b09 | 240 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
241 | { |
242 | struct host_rb_entry *hle; | |
243 | uint32_t count = 0; | |
244 | ||
85442b09 | 245 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
246 | count++; |
247 | ||
248 | return count; | |
249 | } | |
13d60d35 | 250 | |
790f8dc5 | 251 | /* |
252 | * Return number of valid MACs in a VNI's MAC hash table - all | |
253 | * remote MACs and non-internal (auto) local MACs count. | |
254 | */ | |
d7c0a89a | 255 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 256 | { |
257 | unsigned int i; | |
d7c0a89a | 258 | uint32_t num_macs = 0; |
790f8dc5 | 259 | struct hash *hash; |
e3b78da8 | 260 | struct hash_bucket *hb; |
790f8dc5 | 261 | zebra_mac_t *mac; |
262 | ||
263 | hash = zvni->mac_table; | |
264 | if (!hash) | |
265 | return num_macs; | |
266 | for (i = 0; i < hash->size; i++) { | |
267 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
268 | mac = (zebra_mac_t *)hb->data; | |
269 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 270 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 271 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
272 | num_macs++; | |
273 | } | |
274 | } | |
275 | ||
276 | return num_macs; | |
277 | } | |
278 | ||
1374d4db CS |
279 | static uint32_t num_dup_detected_macs(zebra_vni_t *zvni) |
280 | { | |
281 | unsigned int i; | |
282 | uint32_t num_macs = 0; | |
283 | struct hash *hash; | |
e3b78da8 | 284 | struct hash_bucket *hb; |
1374d4db CS |
285 | zebra_mac_t *mac; |
286 | ||
287 | hash = zvni->mac_table; | |
288 | if (!hash) | |
289 | return num_macs; | |
290 | for (i = 0; i < hash->size; i++) { | |
291 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
292 | mac = (zebra_mac_t *)hb->data; | |
293 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
294 | num_macs++; | |
295 | } | |
296 | } | |
297 | ||
298 | return num_macs; | |
299 | } | |
300 | ||
301 | static uint32_t num_dup_detected_neighs(zebra_vni_t *zvni) | |
302 | { | |
303 | unsigned int i; | |
304 | uint32_t num_neighs = 0; | |
305 | struct hash *hash; | |
e3b78da8 | 306 | struct hash_bucket *hb; |
1374d4db CS |
307 | zebra_neigh_t *nbr; |
308 | ||
309 | hash = zvni->neigh_table; | |
310 | if (!hash) | |
311 | return num_neighs; | |
312 | for (i = 0; i < hash->size; i++) { | |
313 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
314 | nbr = (zebra_neigh_t *)hb->data; | |
315 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
316 | num_neighs++; | |
317 | } | |
318 | } | |
319 | ||
320 | return num_neighs; | |
321 | } | |
322 | ||
2853fed6 | 323 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 324 | { |
2853fed6 | 325 | struct zebra_vrf *zvrf; |
326 | ||
150971b5 | 327 | zvrf = zebra_vrf_get_evpn(); |
1a98c087 MK |
328 | if (zvrf && zvrf->advertise_gw_macip) |
329 | return 1; | |
330 | ||
331 | if (zvni && zvni->advertise_gw_macip) | |
332 | return 1; | |
333 | ||
334 | return 0; | |
335 | } | |
336 | ||
278e26de CS |
337 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni) |
338 | { | |
339 | struct zebra_vrf *zvrf; | |
340 | ||
a0b0b5c8 | 341 | zvrf = zebra_vrf_get_evpn(); |
278e26de CS |
342 | if (zvrf && zvrf->advertise_svi_macip) |
343 | return 1; | |
344 | ||
345 | if (zvni && zvni->advertise_svi_macip) | |
346 | return 1; | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
e22a946a | 351 | /* As part Duplicate Address Detection (DAD) for IP mobility |
979777b2 CS |
352 | * MAC binding changes, ensure to inherit duplicate flag |
353 | * from MAC. | |
e22a946a CS |
354 | */ |
355 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, | |
356 | zebra_mac_t *old_zmac, | |
357 | zebra_mac_t *new_zmac, | |
358 | zebra_neigh_t *nbr) | |
359 | { | |
360 | bool is_old_mac_dup = false; | |
361 | bool is_new_mac_dup = false; | |
362 | ||
363 | if (!zvrf->dup_addr_detect) | |
364 | return 0; | |
365 | /* Check old or new MAC is detected as duplicate | |
366 | * mark this neigh as duplicate | |
367 | */ | |
368 | if (old_zmac) | |
369 | is_old_mac_dup = CHECK_FLAG(old_zmac->flags, | |
370 | ZEBRA_MAC_DUPLICATE); | |
371 | if (new_zmac) | |
372 | is_new_mac_dup = CHECK_FLAG(new_zmac->flags, | |
373 | ZEBRA_MAC_DUPLICATE); | |
374 | /* Old and/or new MAC can be in duplicate state, | |
375 | * based on that IP/Neigh Inherits the flag. | |
376 | * If New MAC is marked duplicate, inherit to the IP. | |
377 | * If old MAC is duplicate but new MAC is not, clear | |
378 | * duplicate flag for IP and reset detection params | |
379 | * and let IP DAD retrigger. | |
380 | */ | |
381 | if (is_new_mac_dup && !CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
382 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
383 | /* Capture Duplicate detection time */ | |
384 | nbr->dad_dup_detect_time = monotime(NULL); | |
c34e362b CS |
385 | /* Mark neigh inactive */ |
386 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
387 | ||
e22a946a CS |
388 | return 1; |
389 | } else if (is_old_mac_dup && !is_new_mac_dup) { | |
390 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
391 | nbr->dad_count = 0; | |
392 | nbr->detect_start_time.tv_sec = 0; | |
393 | nbr->detect_start_time.tv_usec = 0; | |
394 | } | |
395 | return 0; | |
396 | } | |
397 | ||
bdca1974 CS |
398 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
399 | zebra_mac_t *mac, | |
400 | struct in_addr vtep_ip, | |
401 | bool do_dad, | |
402 | bool *is_dup_detect, | |
403 | bool is_local) | |
404 | { | |
405 | zebra_neigh_t *nbr; | |
406 | struct listnode *node = NULL; | |
407 | struct timeval elapsed = {0, 0}; | |
408 | char buf[ETHER_ADDR_STRLEN]; | |
409 | char buf1[INET6_ADDRSTRLEN]; | |
410 | bool reset_params = false; | |
411 | ||
412 | if (!(zvrf->dup_addr_detect && do_dad)) | |
413 | return; | |
414 | ||
415 | /* MAC is detected as duplicate, | |
416 | * Local MAC event -> hold on advertising to BGP. | |
417 | * Remote MAC event -> hold on installing it. | |
418 | */ | |
419 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
420 | if (IS_ZEBRA_DEBUG_VXLAN) | |
421 | zlog_debug( | |
422 | "%s: duplicate addr MAC %s flags 0x%x skip update to client, learn count %u recover time %u", | |
423 | __PRETTY_FUNCTION__, | |
424 | prefix_mac2str(&mac->macaddr, buf, | |
425 | sizeof(buf)), | |
426 | mac->flags, mac->dad_count, | |
427 | zvrf->dad_freeze_time); | |
428 | ||
429 | /* For duplicate MAC do not update | |
430 | * client but update neigh due to | |
431 | * this MAC update. | |
432 | */ | |
433 | if (zvrf->dad_freeze) | |
a4445ece | 434 | *is_dup_detect = true; |
bdca1974 CS |
435 | |
436 | return; | |
437 | } | |
438 | ||
439 | /* Check if detection time (M-secs) expired. | |
440 | * Reset learn count and detection start time. | |
441 | */ | |
442 | monotime_since(&mac->detect_start_time, &elapsed); | |
443 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
444 | if (is_local && !reset_params) { | |
445 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
446 | * event via LOCAL learning starts an M-second timer. | |
447 | * | |
448 | * NOTE: This is the START of the probe with count is | |
449 | * 0 during LOCAL learn event. | |
450 | * (mac->dad_count == 0 || elapsed.tv_sec >= zvrf->dad_time) | |
451 | */ | |
452 | reset_params = !mac->dad_count; | |
453 | } | |
454 | ||
455 | if (reset_params) { | |
456 | if (IS_ZEBRA_DEBUG_VXLAN) | |
457 | zlog_debug( | |
458 | "%s: duplicate addr MAC %s flags 0x%x detection time passed, reset learn count %u" | |
459 | , __PRETTY_FUNCTION__, | |
460 | prefix_mac2str(&mac->macaddr, buf, | |
461 | sizeof(buf)), | |
462 | mac->flags, mac->dad_count); | |
463 | ||
464 | mac->dad_count = 0; | |
465 | /* Start dup. addr detection (DAD) start time, | |
466 | * ONLY during LOCAL learn. | |
467 | */ | |
468 | if (is_local) | |
469 | monotime(&mac->detect_start_time); | |
470 | ||
471 | } else if (!is_local) { | |
472 | /* For REMOTE MAC, increment detection count | |
473 | * ONLY while in probe window, once window passed, | |
474 | * next local learn event should trigger DAD. | |
475 | */ | |
476 | mac->dad_count++; | |
477 | } | |
478 | ||
479 | /* For LOCAL MAC learn event, once count is reset above via either | |
480 | * initial/start detection time or passed the probe time, the count | |
481 | * needs to be incremented. | |
482 | */ | |
483 | if (is_local) | |
484 | mac->dad_count++; | |
485 | ||
bdca1974 CS |
486 | if (mac->dad_count >= zvrf->dad_max_moves) { |
487 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
488 | "VNI %u: MAC %s detected as duplicate during %s VTEP %s", | |
489 | mac->zvni->vni, | |
490 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
491 | is_local ? "local update, last" : | |
492 | "remote update, from", inet_ntoa(vtep_ip)); | |
493 | ||
494 | SET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
495 | ||
496 | /* Capture Duplicate detection time */ | |
497 | mac->dad_dup_detect_time = monotime(NULL); | |
498 | ||
499 | /* Mark all IPs/Neighs as duplicate | |
500 | * associcated with this MAC | |
501 | */ | |
502 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
503 | ||
504 | /* Ony Mark IPs which are Local */ | |
505 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
506 | continue; | |
507 | ||
508 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
509 | ||
510 | nbr->dad_dup_detect_time = monotime(NULL); | |
511 | ||
512 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
513 | "VNI %u: MAC %s IP %s detected as duplicate during %s update, inherit duplicate from MAC", | |
514 | mac->zvni->vni, | |
515 | prefix_mac2str(&mac->macaddr, | |
516 | buf, sizeof(buf)), | |
517 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
518 | is_local ? "local" : "remote"); | |
519 | } | |
520 | ||
521 | /* Start auto recovery timer for this MAC */ | |
522 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
523 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
524 | if (IS_ZEBRA_DEBUG_VXLAN) | |
525 | zlog_debug( | |
526 | "%s: duplicate addr MAC %s flags 0x%x auto recovery time %u start" | |
527 | , __PRETTY_FUNCTION__, | |
528 | prefix_mac2str(&mac->macaddr, buf, | |
529 | sizeof(buf)), | |
530 | mac->flags, zvrf->dad_freeze_time); | |
531 | ||
3801e764 | 532 | thread_add_timer(zrouter.master, |
bdca1974 CS |
533 | zebra_vxlan_dad_mac_auto_recovery_exp, |
534 | mac, zvrf->dad_freeze_time, | |
535 | &mac->dad_mac_auto_recovery_timer); | |
536 | } | |
537 | ||
a4445ece | 538 | /* In case of local update, do not inform to client (BGPd), |
bdca1974 CS |
539 | * upd_neigh for neigh sequence change. |
540 | */ | |
541 | if (zvrf->dad_freeze) | |
a4445ece | 542 | *is_dup_detect = true; |
bdca1974 CS |
543 | } |
544 | } | |
545 | ||
7510e459 CS |
546 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
547 | zebra_neigh_t *nbr, | |
548 | struct in_addr vtep_ip, | |
549 | bool do_dad, | |
550 | bool *is_dup_detect, | |
551 | bool is_local) | |
552 | { | |
553 | ||
554 | struct timeval elapsed = {0, 0}; | |
555 | char buf[ETHER_ADDR_STRLEN]; | |
556 | char buf1[INET6_ADDRSTRLEN]; | |
557 | bool reset_params = false; | |
558 | ||
559 | if (!zvrf->dup_addr_detect) | |
560 | return; | |
561 | ||
562 | /* IP is detected as duplicate or inherit dup | |
563 | * state, hold on to install as remote entry | |
564 | * only if freeze is enabled. | |
565 | */ | |
566 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
567 | if (IS_ZEBRA_DEBUG_VXLAN) | |
568 | zlog_debug( | |
569 | "%s: duplicate addr MAC %s IP %s flags 0x%x skip installing, learn count %u recover time %u", | |
570 | __PRETTY_FUNCTION__, | |
571 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
572 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
573 | nbr->flags, nbr->dad_count, | |
574 | zvrf->dad_freeze_time); | |
575 | ||
576 | if (zvrf->dad_freeze) | |
577 | *is_dup_detect = true; | |
753ad4fe | 578 | |
7510e459 CS |
579 | /* warn-only action, neigh will be installed. |
580 | * freeze action, it wil not be installed. | |
581 | */ | |
582 | return; | |
583 | } | |
584 | ||
585 | if (!do_dad) | |
586 | return; | |
587 | ||
588 | /* Check if detection time (M-secs) expired. | |
589 | * Reset learn count and detection start time. | |
590 | * During remote mac add, count should already be 1 | |
591 | * via local learning. | |
592 | */ | |
593 | monotime_since(&nbr->detect_start_time, &elapsed); | |
594 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
595 | ||
596 | if (is_local && !reset_params) { | |
597 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
598 | * event via LOCAL learning starts an M-second timer. | |
599 | * | |
600 | * NOTE: This is the START of the probe with count is | |
601 | * 0 during LOCAL learn event. | |
602 | */ | |
603 | reset_params = !nbr->dad_count; | |
604 | } | |
605 | ||
606 | if (reset_params) { | |
607 | if (IS_ZEBRA_DEBUG_VXLAN) | |
608 | zlog_debug( | |
609 | "%s: duplicate addr MAC %s IP %s flags 0x%x detection time passed, reset learn count %u", | |
610 | __PRETTY_FUNCTION__, | |
611 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
612 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
613 | nbr->flags, nbr->dad_count); | |
614 | /* Reset learn count but do not start detection | |
615 | * during REMOTE learn event. | |
616 | */ | |
617 | nbr->dad_count = 0; | |
618 | /* Start dup. addr detection (DAD) start time, | |
619 | * ONLY during LOCAL learn. | |
620 | */ | |
621 | if (is_local) | |
622 | monotime(&nbr->detect_start_time); | |
623 | ||
624 | } else if (!is_local) { | |
625 | /* For REMOTE IP/Neigh, increment detection count | |
626 | * ONLY while in probe window, once window passed, | |
627 | * next local learn event should trigger DAD. | |
628 | */ | |
629 | nbr->dad_count++; | |
630 | } | |
631 | ||
632 | /* For LOCAL IP/Neigh learn event, once count is reset above via either | |
633 | * initial/start detection time or passed the probe time, the count | |
634 | * needs to be incremented. | |
635 | */ | |
636 | if (is_local) | |
637 | nbr->dad_count++; | |
638 | ||
639 | if (nbr->dad_count >= zvrf->dad_max_moves) { | |
640 | flog_warn(EC_ZEBRA_DUP_IP_DETECTED, | |
641 | "VNI %u: MAC %s IP %s detected as duplicate during %s VTEP %s", | |
642 | nbr->zvni->vni, | |
643 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
644 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
645 | is_local ? "local update, last" : | |
646 | "remote update, from", | |
647 | inet_ntoa(vtep_ip)); | |
648 | ||
649 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
650 | ||
651 | /* Capture Duplicate detection time */ | |
652 | nbr->dad_dup_detect_time = monotime(NULL); | |
653 | ||
654 | /* Start auto recovery timer for this IP */ | |
655 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
656 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
657 | if (IS_ZEBRA_DEBUG_VXLAN) | |
658 | zlog_debug( | |
659 | "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start", | |
660 | __PRETTY_FUNCTION__, | |
661 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
662 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
663 | nbr->flags, zvrf->dad_freeze_time); | |
664 | ||
3801e764 | 665 | thread_add_timer(zrouter.master, |
7510e459 CS |
666 | zebra_vxlan_dad_ip_auto_recovery_exp, |
667 | nbr, zvrf->dad_freeze_time, | |
668 | &nbr->dad_ip_auto_recovery_timer); | |
669 | } | |
670 | if (zvrf->dad_freeze) | |
671 | *is_dup_detect = true; | |
672 | } | |
673 | } | |
674 | ||
cec2e17d | 675 | /* |
676 | * Helper function to determine maximum width of neighbor IP address for | |
677 | * display - just because we're dealing with IPv6 addresses that can | |
678 | * widely vary. | |
679 | */ | |
e3b78da8 | 680 | static void zvni_find_neigh_addr_width(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 681 | { |
d62a17ae | 682 | zebra_neigh_t *n; |
683 | char buf[INET6_ADDRSTRLEN]; | |
684 | struct neigh_walk_ctx *wctx = ctxt; | |
685 | int width; | |
cec2e17d | 686 | |
e3b78da8 | 687 | n = (zebra_neigh_t *)bucket->data; |
cec2e17d | 688 | |
1445b43c A |
689 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
690 | width = strlen(buf); | |
d62a17ae | 691 | if (width > wctx->addr_width) |
692 | wctx->addr_width = width; | |
68e33151 | 693 | |
cec2e17d | 694 | } |
695 | ||
696 | /* | |
697 | * Print a specific neighbor entry. | |
698 | */ | |
cd233079 | 699 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 700 | { |
d62a17ae | 701 | struct vty *vty; |
702 | char buf1[ETHER_ADDR_STRLEN]; | |
703 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 704 | const char *type_str; |
705 | const char *state_str; | |
706 | bool flags_present = false; | |
979777b2 | 707 | struct zebra_vrf *zvrf = NULL; |
87454e6b | 708 | struct timeval detect_start_time = {0, 0}; |
cec2e17d | 709 | |
cff8f33b | 710 | zvrf = zebra_vrf_get_evpn(); |
979777b2 CS |
711 | if (!zvrf) |
712 | return; | |
713 | ||
cd233079 CS |
714 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
715 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 716 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
717 | "local" : "remote"; | |
718 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
719 | vty = (struct vty *)ctxt; |
720 | if (json == NULL) { | |
721 | vty_out(vty, "IP: %s\n", | |
722 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 723 | vty_out(vty, " Type: %s\n", type_str); |
724 | vty_out(vty, " State: %s\n", state_str); | |
725 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
726 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
727 | } else { | |
728 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 729 | json_object_string_add(json, "type", type_str); |
730 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
731 | json_object_string_add(json, "mac", buf1); |
732 | } | |
733 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 734 | if (json == NULL) { |
1a8c5c38 | 735 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 736 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 737 | } else |
cd233079 CS |
738 | json_object_string_add(json, "remoteVtep", |
739 | inet_ntoa(n->r_vtep_ip)); | |
740 | } | |
ead40654 | 741 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 742 | if (!json) { |
743 | vty_out(vty, " Flags: Default-gateway"); | |
744 | flags_present = true; | |
745 | } else | |
ead40654 MK |
746 | json_object_boolean_true_add(json, "defaultGateway"); |
747 | } | |
68e33151 | 748 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 749 | if (!json) { |
750 | vty_out(vty, | |
751 | flags_present ? " ,Router" : " Flags: Router"); | |
752 | flags_present = true; | |
753 | } | |
68e33151 | 754 | } |
f07e1c99 | 755 | if (json == NULL) { |
1a8c5c38 | 756 | if (flags_present) |
757 | vty_out(vty, "\n"); | |
758 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 759 | n->loc_seq, n->rem_seq); |
87454e6b CS |
760 | |
761 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
762 | vty_out(vty, " Duplicate, detected at %s", | |
763 | time_to_string(n->dad_dup_detect_time)); | |
764 | } else if (n->dad_count) { | |
765 | monotime_since(&n->detect_start_time, | |
766 | &detect_start_time); | |
767 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
37a04040 CS |
768 | char *buf = time_to_string( |
769 | n->detect_start_time.tv_sec); | |
87454e6b CS |
770 | char tmp_buf[30]; |
771 | ||
138a4965 | 772 | strlcpy(tmp_buf, buf, sizeof(tmp_buf)); |
87454e6b CS |
773 | vty_out(vty, |
774 | " Duplicate detection started at %s, detection count %u\n", | |
775 | tmp_buf, n->dad_count); | |
776 | } | |
777 | } | |
1a8c5c38 | 778 | } else { |
779 | json_object_int_add(json, "localSequence", n->loc_seq); | |
780 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
87454e6b CS |
781 | json_object_int_add(json, "detectionCount", |
782 | n->dad_count); | |
783 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
784 | json_object_boolean_true_add(json, "isDuplicate"); | |
785 | else | |
786 | json_object_boolean_false_add(json, "isDuplicate"); | |
787 | ||
788 | ||
68e33151 | 789 | } |
cec2e17d | 790 | } |
791 | ||
792 | /* | |
793 | * Print neighbor hash entry - called for display of all neighbors. | |
794 | */ | |
e3b78da8 | 795 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 796 | { |
797 | struct vty *vty; | |
cd233079 | 798 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 799 | zebra_neigh_t *n; |
800 | char buf1[ETHER_ADDR_STRLEN]; | |
801 | char buf2[INET6_ADDRSTRLEN]; | |
802 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 803 | const char *state_str; |
d62a17ae | 804 | |
805 | vty = wctx->vty; | |
cd233079 | 806 | json_vni = wctx->json; |
e3b78da8 | 807 | n = (zebra_neigh_t *)bucket->data; |
d62a17ae | 808 | |
cd233079 CS |
809 | if (json_vni) |
810 | json_row = json_object_new_object(); | |
811 | ||
d62a17ae | 812 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
813 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 814 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
815 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
816 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
817 | return; | |
818 | ||
cd233079 | 819 | if (json_vni == NULL) { |
1a8c5c38 | 820 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
821 | -wctx->addr_width, buf2, "local", | |
822 | state_str, buf1); | |
cd233079 CS |
823 | } else { |
824 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 825 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 826 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 827 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
828 | json_object_boolean_true_add( | |
829 | json_row, "defaultGateway"); | |
830 | json_object_int_add(json_row, "localSequence", | |
831 | n->loc_seq); | |
832 | json_object_int_add(json_row, "remoteSequence", | |
833 | n->rem_seq); | |
87454e6b CS |
834 | json_object_int_add(json_row, "detectionCount", |
835 | n->dad_count); | |
836 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
837 | json_object_boolean_true_add(json_row, | |
838 | "isDuplicate"); | |
839 | else | |
840 | json_object_boolean_false_add(json_row, | |
841 | "isDuplicate"); | |
cd233079 | 842 | } |
d62a17ae | 843 | wctx->count++; |
1a8c5c38 | 844 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
845 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
846 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
847 | return; | |
848 | ||
849 | if (json_vni == NULL) { | |
850 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
851 | (wctx->count == 0)) | |
852 | vty_out(vty, | |
853 | "%*s %-6s %-8s %-17s %-21s\n", | |
854 | -wctx->addr_width, "Neighbor", "Type", | |
855 | "State", "MAC", "Remote VTEP"); | |
856 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
857 | -wctx->addr_width, buf2, "remote", state_str, | |
858 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 859 | } else { |
1a8c5c38 | 860 | json_object_string_add(json_row, "type", "remote"); |
861 | json_object_string_add(json_row, "state", state_str); | |
862 | json_object_string_add(json_row, "mac", buf1); | |
863 | json_object_string_add(json_row, "remoteVtep", | |
864 | inet_ntoa(n->r_vtep_ip)); | |
865 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
866 | json_object_boolean_true_add(json_row, | |
867 | "defaultGateway"); | |
868 | json_object_int_add(json_row, "localSequence", | |
869 | n->loc_seq); | |
870 | json_object_int_add(json_row, "remoteSequence", | |
871 | n->rem_seq); | |
87454e6b CS |
872 | json_object_int_add(json_row, "detectionCount", |
873 | n->dad_count); | |
874 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
875 | json_object_boolean_true_add(json_row, | |
876 | "isDuplicate"); | |
877 | else | |
878 | json_object_boolean_false_add(json_row, | |
879 | "isDuplicate"); | |
d62a17ae | 880 | } |
1a8c5c38 | 881 | wctx->count++; |
d62a17ae | 882 | } |
cd233079 CS |
883 | |
884 | if (json_vni) | |
885 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 886 | } |
887 | ||
e3fac919 NS |
888 | /* |
889 | * Print neighbor hash entry in detail - called for display of all neighbors. | |
890 | */ | |
e3b78da8 | 891 | static void zvni_print_neigh_hash_detail(struct hash_bucket *bucket, void *ctxt) |
e3fac919 NS |
892 | { |
893 | struct vty *vty; | |
894 | json_object *json_vni = NULL, *json_row = NULL; | |
895 | zebra_neigh_t *n; | |
896 | char buf[INET6_ADDRSTRLEN]; | |
897 | struct neigh_walk_ctx *wctx = ctxt; | |
898 | ||
899 | vty = wctx->vty; | |
900 | json_vni = wctx->json; | |
e3b78da8 | 901 | n = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
902 | if (!n) |
903 | return; | |
904 | ||
905 | ipaddr2str(&n->ip, buf, sizeof(buf)); | |
906 | if (json_vni) | |
907 | json_row = json_object_new_object(); | |
908 | ||
909 | zvni_print_neigh(n, vty, json_row); | |
910 | ||
911 | if (json_vni) | |
912 | json_object_object_add(json_vni, buf, json_row); | |
913 | } | |
914 | ||
cec2e17d | 915 | /* |
916 | * Print neighbors for all VNI. | |
917 | */ | |
e3b78da8 | 918 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, |
cd233079 | 919 | void **args) |
cec2e17d | 920 | { |
d62a17ae | 921 | struct vty *vty; |
cd233079 | 922 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 923 | zebra_vni_t *zvni; |
d7c0a89a | 924 | uint32_t num_neigh; |
d62a17ae | 925 | struct neigh_walk_ctx wctx; |
cd233079 | 926 | char vni_str[VNI_STR_LEN]; |
1374d4db | 927 | uint32_t print_dup; |
cd233079 CS |
928 | |
929 | vty = (struct vty *)args[0]; | |
930 | json = (json_object *)args[1]; | |
1374d4db | 931 | print_dup = (uint32_t)(uintptr_t)args[2]; |
cec2e17d | 932 | |
e3b78da8 | 933 | zvni = (zebra_vni_t *)bucket->data; |
9ea660be | 934 | |
d62a17ae | 935 | num_neigh = hashcount(zvni->neigh_table); |
1374d4db CS |
936 | |
937 | if (print_dup) | |
938 | num_neigh = num_dup_detected_neighs(zvni); | |
939 | ||
68e33151 | 940 | if (json == NULL) { |
cd233079 CS |
941 | vty_out(vty, |
942 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
943 | zvni->vni, num_neigh); | |
68e33151 | 944 | } else { |
cd233079 CS |
945 | json_vni = json_object_new_object(); |
946 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
947 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
948 | } | |
1374d4db | 949 | |
cd233079 CS |
950 | if (!num_neigh) { |
951 | if (json) | |
952 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 953 | return; |
cd233079 | 954 | } |
cec2e17d | 955 | |
d62a17ae | 956 | /* Since we have IPv6 addresses to deal with which can vary widely in |
957 | * size, we try to be a bit more elegant in display by first computing | |
958 | * the maximum width. | |
959 | */ | |
960 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
961 | wctx.zvni = zvni; | |
962 | wctx.vty = vty; | |
963 | wctx.addr_width = 15; | |
cd233079 | 964 | wctx.json = json_vni; |
d62a17ae | 965 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 966 | |
68e33151 | 967 | if (json == NULL) { |
1a8c5c38 | 968 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
969 | -wctx.addr_width, "IP", "Type", | |
970 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 971 | } |
1374d4db CS |
972 | if (print_dup) |
973 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, | |
974 | &wctx); | |
975 | else | |
976 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
cd233079 CS |
977 | |
978 | if (json) | |
979 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 980 | } |
981 | ||
e3b78da8 | 982 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
983 | { |
984 | zebra_neigh_t *nbr; | |
985 | ||
e3b78da8 | 986 | nbr = (zebra_neigh_t *)bucket->data; |
1374d4db CS |
987 | if (!nbr) |
988 | return; | |
989 | ||
990 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 991 | zvni_print_neigh_hash(bucket, ctxt); |
1374d4db CS |
992 | } |
993 | ||
e3b78da8 | 994 | static void zvni_print_dad_neigh_hash_detail(struct hash_bucket *bucket, |
e3fac919 NS |
995 | void *ctxt) |
996 | { | |
997 | zebra_neigh_t *nbr; | |
998 | ||
e3b78da8 | 999 | nbr = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
1000 | if (!nbr) |
1001 | return; | |
1002 | ||
1003 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 1004 | zvni_print_neigh_hash_detail(bucket, ctxt); |
e3fac919 NS |
1005 | } |
1006 | ||
1007 | /* | |
1008 | * Print neighbors for all VNIs in detail. | |
1009 | */ | |
e3b78da8 | 1010 | static void zvni_print_neigh_hash_all_vni_detail(struct hash_bucket *bucket, |
e3fac919 NS |
1011 | void **args) |
1012 | { | |
1013 | struct vty *vty; | |
1014 | json_object *json = NULL, *json_vni = NULL; | |
1015 | zebra_vni_t *zvni; | |
1016 | uint32_t num_neigh; | |
1017 | struct neigh_walk_ctx wctx; | |
1018 | char vni_str[VNI_STR_LEN]; | |
1019 | uint32_t print_dup; | |
1020 | ||
1021 | vty = (struct vty *)args[0]; | |
1022 | json = (json_object *)args[1]; | |
1023 | print_dup = (uint32_t)(uintptr_t)args[2]; | |
1024 | ||
e3b78da8 | 1025 | zvni = (zebra_vni_t *)bucket->data; |
e3fac919 NS |
1026 | if (!zvni) { |
1027 | if (json) | |
1028 | vty_out(vty, "{}\n"); | |
1029 | return; | |
1030 | } | |
1031 | num_neigh = hashcount(zvni->neigh_table); | |
1032 | ||
1033 | if (print_dup && num_dup_detected_neighs(zvni) == 0) | |
1034 | return; | |
1035 | ||
1036 | if (json == NULL) { | |
1037 | vty_out(vty, | |
1038 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
1039 | zvni->vni, num_neigh); | |
1040 | } else { | |
1041 | json_vni = json_object_new_object(); | |
1042 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1043 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1044 | } | |
1045 | if (!num_neigh) { | |
1046 | if (json) | |
1047 | json_object_object_add(json, vni_str, json_vni); | |
1048 | return; | |
1049 | } | |
1050 | ||
1051 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
1052 | wctx.zvni = zvni; | |
1053 | wctx.vty = vty; | |
1054 | wctx.addr_width = 15; | |
1055 | wctx.json = json_vni; | |
1056 | ||
1057 | if (print_dup) | |
1058 | hash_iterate(zvni->neigh_table, | |
1059 | zvni_print_dad_neigh_hash_detail, &wctx); | |
1060 | else | |
1061 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash_detail, | |
1062 | &wctx); | |
1063 | ||
1064 | if (json) | |
1065 | json_object_object_add(json, vni_str, json_vni); | |
1066 | } | |
1067 | ||
9aa741ea | 1068 | /* print a specific next hop for an l3vni */ |
996c9314 | 1069 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 1070 | json_object *json) |
9aa741ea MK |
1071 | { |
1072 | char buf1[ETHER_ADDR_STRLEN]; | |
1073 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 1074 | json_object *json_hosts = NULL; |
f2a503f0 | 1075 | struct host_rb_entry *hle; |
9aa741ea | 1076 | |
c0e519d3 MK |
1077 | if (!json) { |
1078 | vty_out(vty, "Ip: %s\n", | |
1079 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1080 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 1081 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
1082 | vty_out(vty, " Refcount: %d\n", |
1083 | rb_host_count(&n->host_rb)); | |
4cce389e | 1084 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1085 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1086 | vty_out(vty, " %s\n", |
f2a503f0 | 1087 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
1088 | } else { |
1089 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1090 | json_object_string_add( |
1091 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
1092 | json_object_string_add( | |
1093 | json, "routerMac", | |
1094 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
1095 | json_object_int_add(json, "refCount", |
1096 | rb_host_count(&n->host_rb)); | |
85442b09 | 1097 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1098 | json_object_array_add(json_hosts, |
996c9314 | 1099 | json_object_new_string(prefix2str( |
f2a503f0 | 1100 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 1101 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 1102 | } |
9aa741ea MK |
1103 | } |
1104 | ||
1105 | /* Print a specific RMAC entry */ | |
996c9314 | 1106 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 1107 | json_object *json) |
9aa741ea MK |
1108 | { |
1109 | char buf1[ETHER_ADDR_STRLEN]; | |
1110 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 1111 | json_object *json_hosts = NULL; |
5e1b0650 | 1112 | struct host_rb_entry *hle; |
9aa741ea | 1113 | |
316f4ca4 MK |
1114 | if (!json) { |
1115 | vty_out(vty, "MAC: %s\n", | |
1116 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
1117 | vty_out(vty, " Remote VTEP: %s\n", | |
1118 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 1119 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 1120 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1121 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 1122 | vty_out(vty, " %s\n", |
5e1b0650 | 1123 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
1124 | } else { |
1125 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1126 | json_object_string_add( |
1127 | json, "routerMac", | |
1128 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 1129 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 1130 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
1131 | json_object_int_add(json, "refCount", |
1132 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 1133 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
1134 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 1135 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
1136 | json_object_array_add( |
1137 | json_hosts, | |
1138 | json_object_new_string(prefix2str( | |
1139 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 1140 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 1141 | } |
9aa741ea MK |
1142 | } |
1143 | ||
cec2e17d | 1144 | /* |
1145 | * Print a specific MAC entry. | |
1146 | */ | |
24cdbd0d | 1147 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) |
d62a17ae | 1148 | { |
1149 | struct vty *vty; | |
b6938a74 MK |
1150 | zebra_neigh_t *n = NULL; |
1151 | struct listnode *node = NULL; | |
138a4965 | 1152 | char buf1[ETHER_ADDR_STRLEN]; |
b6938a74 | 1153 | char buf2[INET6_ADDRSTRLEN]; |
87454e6b CS |
1154 | struct zebra_vrf *zvrf; |
1155 | struct timeval detect_start_time = {0, 0}; | |
1156 | ||
cff8f33b T |
1157 | zvrf = zebra_vrf_get_evpn(); |
1158 | if (!zvrf) | |
1159 | return; | |
d62a17ae | 1160 | |
1161 | vty = (struct vty *)ctxt; | |
24cdbd0d | 1162 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); |
d62a17ae | 1163 | |
24cdbd0d DS |
1164 | if (json) { |
1165 | json_object *json_mac = json_object_new_object(); | |
1166 | ||
1167 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1168 | struct zebra_ns *zns; | |
1169 | struct interface *ifp; | |
1170 | ifindex_t ifindex; | |
1171 | ||
1172 | ifindex = mac->fwd_info.local.ifindex; | |
1173 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1174 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1175 | if (!ifp) | |
1176 | return; | |
1177 | json_object_string_add(json_mac, "type", "local"); | |
1178 | json_object_string_add(json_mac, "intf", ifp->name); | |
1179 | json_object_int_add(json_mac, "ifindex", ifindex); | |
1180 | if (mac->fwd_info.local.vid) | |
1181 | json_object_int_add(json_mac, "vlan", | |
1182 | mac->fwd_info.local.vid); | |
1183 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1184 | json_object_string_add(json_mac, "type", "remote"); | |
1185 | json_object_string_add( | |
1186 | json_mac, "remoteVtep", | |
1187 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1188 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
29611019 | 1189 | json_object_string_add(json_mac, "type", "auto"); |
b6938a74 | 1190 | |
24cdbd0d DS |
1191 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
1192 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
ead40654 | 1193 | |
24cdbd0d DS |
1194 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
1195 | json_object_boolean_true_add(json_mac, | |
1196 | "defaultGateway"); | |
ead40654 | 1197 | |
24cdbd0d DS |
1198 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
1199 | json_object_boolean_true_add(json_mac, | |
1200 | "remoteGatewayMac"); | |
51f4dab4 | 1201 | |
24cdbd0d DS |
1202 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
1203 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
f07e1c99 | 1204 | |
87454e6b CS |
1205 | json_object_int_add(json_mac, "detectionCount", mac->dad_count); |
1206 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1207 | json_object_boolean_true_add(json_mac, "isDuplicate"); | |
1208 | else | |
1209 | json_object_boolean_false_add(json_mac, "isDuplicate"); | |
1210 | ||
24cdbd0d DS |
1211 | /* print all the associated neigh */ |
1212 | if (!listcount(mac->neigh_list)) | |
1213 | json_object_string_add(json_mac, "neighbors", "none"); | |
1214 | else { | |
1215 | json_object *json_active_nbrs = json_object_new_array(); | |
1216 | json_object *json_inactive_nbrs = | |
1217 | json_object_new_array(); | |
1218 | json_object *json_nbrs = json_object_new_object(); | |
1219 | ||
1220 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1221 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
1222 | json_object_array_add( | |
1223 | json_active_nbrs, | |
1224 | json_object_new_string( | |
1225 | ipaddr2str( | |
1226 | &n->ip, buf2, | |
1227 | sizeof(buf2)))); | |
1228 | else | |
1229 | json_object_array_add( | |
1230 | json_inactive_nbrs, | |
1231 | json_object_new_string( | |
1232 | ipaddr2str( | |
1233 | &n->ip, buf2, | |
1234 | sizeof(buf2)))); | |
1235 | } | |
1236 | ||
1237 | json_object_object_add(json_nbrs, "active", | |
1238 | json_active_nbrs); | |
1239 | json_object_object_add(json_nbrs, "inactive", | |
1240 | json_inactive_nbrs); | |
1241 | json_object_object_add(json_mac, "neighbors", | |
1242 | json_nbrs); | |
b6938a74 | 1243 | } |
b6938a74 | 1244 | |
24cdbd0d | 1245 | json_object_object_add(json, buf1, json_mac); |
24cdbd0d DS |
1246 | } else { |
1247 | vty_out(vty, "MAC: %s\n", buf1); | |
1248 | ||
1249 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1250 | struct zebra_ns *zns; | |
1251 | struct interface *ifp; | |
1252 | ifindex_t ifindex; | |
1253 | ||
1254 | ifindex = mac->fwd_info.local.ifindex; | |
1255 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1256 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1257 | if (!ifp) | |
1258 | return; | |
1259 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
1260 | if (mac->fwd_info.local.vid) | |
1261 | vty_out(vty, " VLAN: %u", | |
1262 | mac->fwd_info.local.vid); | |
1263 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1264 | vty_out(vty, " Remote VTEP: %s", | |
1265 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1266 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
1267 | vty_out(vty, " Auto Mac "); | |
1268 | } | |
1269 | ||
1270 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
1271 | vty_out(vty, " Sticky Mac "); | |
1272 | ||
1273 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
1274 | vty_out(vty, " Default-gateway Mac "); | |
1275 | ||
1276 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
1277 | vty_out(vty, " Remote-gateway Mac "); | |
1278 | ||
1279 | vty_out(vty, "\n"); | |
1280 | vty_out(vty, " Local Seq: %u Remote Seq: %u", mac->loc_seq, | |
1281 | mac->rem_seq); | |
1282 | vty_out(vty, "\n"); | |
1283 | ||
87454e6b CS |
1284 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { |
1285 | vty_out(vty, " Duplicate, detected at %s", | |
1286 | time_to_string(mac->dad_dup_detect_time)); | |
1287 | } else if (mac->dad_count) { | |
1288 | monotime_since(&mac->detect_start_time, | |
1289 | &detect_start_time); | |
1290 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
37a04040 CS |
1291 | char *buf = time_to_string( |
1292 | mac->detect_start_time.tv_sec); | |
87454e6b CS |
1293 | char tmp_buf[30]; |
1294 | ||
138a4965 | 1295 | strlcpy(tmp_buf, buf, sizeof(tmp_buf)); |
87454e6b CS |
1296 | vty_out(vty, |
1297 | " Duplicate detection started at %s, detection count %u\n", | |
1298 | tmp_buf, mac->dad_count); | |
1299 | } | |
1300 | } | |
1301 | ||
24cdbd0d DS |
1302 | /* print all the associated neigh */ |
1303 | vty_out(vty, " Neighbors:\n"); | |
1304 | if (!listcount(mac->neigh_list)) | |
1305 | vty_out(vty, " No Neighbors\n"); | |
1306 | else { | |
1307 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1308 | vty_out(vty, " %s %s\n", | |
1309 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
1310 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
1311 | ? "Active" | |
1312 | : "Inactive")); | |
1313 | } | |
1314 | } | |
1315 | ||
1316 | vty_out(vty, "\n"); | |
1317 | } | |
cec2e17d | 1318 | } |
1319 | ||
1320 | /* | |
1321 | * Print MAC hash entry - called for display of all MACs. | |
1322 | */ | |
e3b78da8 | 1323 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 1324 | { |
1325 | struct vty *vty; | |
cd233079 | 1326 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 1327 | zebra_mac_t *mac; |
138a4965 | 1328 | char buf1[ETHER_ADDR_STRLEN]; |
d62a17ae | 1329 | struct mac_walk_ctx *wctx = ctxt; |
1330 | ||
1331 | vty = wctx->vty; | |
cd233079 | 1332 | json_mac_hdr = wctx->json; |
e3b78da8 | 1333 | mac = (zebra_mac_t *)bucket->data; |
d62a17ae | 1334 | |
1335 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
1336 | |
1337 | if (json_mac_hdr) | |
1338 | json_mac = json_object_new_object(); | |
1339 | ||
1a8c5c38 | 1340 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 1341 | struct zebra_ns *zns; |
1342 | ifindex_t ifindex; | |
1343 | struct interface *ifp; | |
1344 | vlanid_t vid; | |
1345 | ||
1a8c5c38 | 1346 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
1347 | return; | |
1348 | ||
d62a17ae | 1349 | zns = zebra_ns_lookup(NS_DEFAULT); |
1350 | ifindex = mac->fwd_info.local.ifindex; | |
1351 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1352 | if (!ifp) // unexpected | |
1353 | return; | |
1354 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
1355 | if (json_mac_hdr == NULL) |
1356 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
1357 | ifp->name); | |
1358 | else { | |
1359 | json_object_string_add(json_mac, "type", "local"); | |
1360 | json_object_string_add(json_mac, "intf", ifp->name); | |
1361 | } | |
1362 | if (vid) { | |
1363 | if (json_mac_hdr == NULL) | |
1364 | vty_out(vty, " %-5u", vid); | |
1365 | else | |
1366 | json_object_int_add(json_mac, "vlan", vid); | |
1367 | } | |
1a8c5c38 | 1368 | if (json_mac_hdr == NULL) { |
cd233079 | 1369 | vty_out(vty, "\n"); |
1a8c5c38 | 1370 | } else { |
1371 | json_object_int_add(json_mac, "localSequence", | |
1372 | mac->loc_seq); | |
1373 | json_object_int_add(json_mac, "remoteSequence", | |
1374 | mac->rem_seq); | |
87454e6b CS |
1375 | json_object_int_add(json_mac, "detectionCount", |
1376 | mac->dad_count); | |
1377 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1378 | json_object_boolean_true_add(json_mac, | |
1379 | "isDuplicate"); | |
1380 | else | |
1381 | json_object_boolean_false_add(json_mac, | |
1382 | "isDuplicate"); | |
cd233079 | 1383 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 1384 | } |
1385 | ||
d62a17ae | 1386 | wctx->count++; |
1a8c5c38 | 1387 | |
b6938a74 | 1388 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 1389 | |
1390 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1391 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
1392 | &wctx->r_vtep_ip)) | |
1393 | return; | |
1394 | ||
1395 | if (json_mac_hdr == NULL) { | |
1396 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1397 | (wctx->count == 0)) { | |
1398 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
1399 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
1400 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 1401 | } |
1a8c5c38 | 1402 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
1403 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 1404 | } else { |
1a8c5c38 | 1405 | json_object_string_add(json_mac, "type", "remote"); |
1406 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 1407 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 1408 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1409 | json_object_int_add(json_mac, "localSequence", | |
1410 | mac->loc_seq); | |
1411 | json_object_int_add(json_mac, "remoteSequence", | |
1412 | mac->rem_seq); | |
87454e6b CS |
1413 | json_object_int_add(json_mac, "detectionCount", |
1414 | mac->dad_count); | |
1415 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1416 | json_object_boolean_true_add(json_mac, | |
1417 | "isDuplicate"); | |
1418 | else | |
1419 | json_object_boolean_false_add(json_mac, | |
1420 | "isDuplicate"); | |
1421 | ||
d62a17ae | 1422 | } |
1a8c5c38 | 1423 | |
1424 | wctx->count++; | |
d62a17ae | 1425 | } |
cec2e17d | 1426 | } |
1427 | ||
1374d4db | 1428 | /* Print Duplicate MAC */ |
e3b78da8 | 1429 | static void zvni_print_dad_mac_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
1430 | { |
1431 | zebra_mac_t *mac; | |
1432 | ||
e3b78da8 | 1433 | mac = (zebra_mac_t *)bucket->data; |
1374d4db CS |
1434 | if (!mac) |
1435 | return; | |
1436 | ||
1437 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1438 | zvni_print_mac_hash(bucket, ctxt); |
1374d4db CS |
1439 | } |
1440 | ||
cffe7580 NS |
1441 | /* |
1442 | * Print MAC hash entry in detail - called for display of all MACs. | |
1443 | */ | |
e3b78da8 | 1444 | static void zvni_print_mac_hash_detail(struct hash_bucket *bucket, void *ctxt) |
cffe7580 NS |
1445 | { |
1446 | struct vty *vty; | |
1447 | json_object *json_mac_hdr = NULL; | |
1448 | zebra_mac_t *mac; | |
1449 | struct mac_walk_ctx *wctx = ctxt; | |
138a4965 | 1450 | char buf1[ETHER_ADDR_STRLEN]; |
cffe7580 NS |
1451 | |
1452 | vty = wctx->vty; | |
1453 | json_mac_hdr = wctx->json; | |
e3b78da8 | 1454 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1455 | if (!mac) |
1456 | return; | |
1457 | ||
1458 | wctx->count++; | |
1459 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
1460 | ||
1461 | zvni_print_mac(mac, vty, json_mac_hdr); | |
1462 | } | |
1463 | ||
1464 | /* Print Duplicate MAC in detail */ | |
e3b78da8 | 1465 | static void zvni_print_dad_mac_hash_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1466 | void *ctxt) |
1467 | { | |
1468 | zebra_mac_t *mac; | |
1469 | ||
e3b78da8 | 1470 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1471 | if (!mac) |
1472 | return; | |
1473 | ||
1474 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1475 | zvni_print_mac_hash_detail(bucket, ctxt); |
cffe7580 NS |
1476 | } |
1477 | ||
cec2e17d | 1478 | /* |
1479 | * Print MACs for all VNI. | |
1480 | */ | |
e3b78da8 | 1481 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 1482 | { |
d62a17ae | 1483 | struct vty *vty; |
cd233079 CS |
1484 | json_object *json = NULL, *json_vni = NULL; |
1485 | json_object *json_mac = NULL; | |
d62a17ae | 1486 | zebra_vni_t *zvni; |
d7c0a89a | 1487 | uint32_t num_macs; |
d62a17ae | 1488 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 1489 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 1490 | |
d62a17ae | 1491 | vty = (struct vty *)wctx->vty; |
cd233079 | 1492 | json = (struct json_object *)wctx->json; |
cec2e17d | 1493 | |
e3b78da8 | 1494 | zvni = (zebra_vni_t *)bucket->data; |
d62a17ae | 1495 | wctx->zvni = zvni; |
cec2e17d | 1496 | |
d62a17ae | 1497 | /*We are iterating over a new VNI, set the count to 0*/ |
1498 | wctx->count = 0; | |
cec2e17d | 1499 | |
790f8dc5 | 1500 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1501 | if (!num_macs) |
1502 | return; | |
cd233079 | 1503 | |
1374d4db CS |
1504 | if (wctx->print_dup) |
1505 | num_macs = num_dup_detected_macs(zvni); | |
1506 | ||
cd233079 CS |
1507 | if (json) { |
1508 | json_vni = json_object_new_object(); | |
1509 | json_mac = json_object_new_object(); | |
1510 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 1511 | } |
cec2e17d | 1512 | |
cd233079 CS |
1513 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
1514 | if (json == NULL) { | |
1515 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1516 | zvni->vni, num_macs); | |
1517 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
1518 | "Intf/Remote VTEP", "VLAN"); | |
1519 | } else | |
1520 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1521 | } | |
1374d4db CS |
1522 | |
1523 | if (!num_macs) { | |
1524 | if (json) { | |
1525 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1526 | json_object_object_add(json, vni_str, json_vni); | |
1527 | } | |
1528 | return; | |
1529 | } | |
1530 | ||
cd233079 CS |
1531 | /* assign per-vni to wctx->json object to fill macs |
1532 | * under the vni. Re-assign primary json object to fill | |
1533 | * next vni information. | |
1534 | */ | |
1535 | wctx->json = json_mac; | |
1374d4db CS |
1536 | if (wctx->print_dup) |
1537 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, wctx); | |
1538 | else | |
1539 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); | |
cd233079 CS |
1540 | wctx->json = json; |
1541 | if (json) { | |
1542 | if (wctx->count) | |
1543 | json_object_object_add(json_vni, "macs", json_mac); | |
1544 | json_object_object_add(json, vni_str, json_vni); | |
1545 | } | |
cec2e17d | 1546 | } |
1547 | ||
cffe7580 NS |
1548 | /* |
1549 | * Print MACs in detail for all VNI. | |
1550 | */ | |
e3b78da8 | 1551 | static void zvni_print_mac_hash_all_vni_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1552 | void *ctxt) |
1553 | { | |
1554 | struct vty *vty; | |
1555 | json_object *json = NULL, *json_vni = NULL; | |
1556 | json_object *json_mac = NULL; | |
1557 | zebra_vni_t *zvni; | |
1558 | uint32_t num_macs; | |
1559 | struct mac_walk_ctx *wctx = ctxt; | |
1560 | char vni_str[VNI_STR_LEN]; | |
1561 | ||
1562 | vty = (struct vty *)wctx->vty; | |
1563 | json = (struct json_object *)wctx->json; | |
1564 | ||
e3b78da8 | 1565 | zvni = (zebra_vni_t *)bucket->data; |
cffe7580 NS |
1566 | if (!zvni) { |
1567 | if (json) | |
1568 | vty_out(vty, "{}\n"); | |
1569 | return; | |
1570 | } | |
1571 | wctx->zvni = zvni; | |
1572 | ||
1573 | /*We are iterating over a new VNI, set the count to 0*/ | |
1574 | wctx->count = 0; | |
1575 | ||
1576 | num_macs = num_valid_macs(zvni); | |
1577 | if (!num_macs) | |
1578 | return; | |
1579 | ||
1580 | if (wctx->print_dup && (num_dup_detected_macs(zvni) == 0)) | |
1581 | return; | |
1582 | ||
1583 | if (json) { | |
1584 | json_vni = json_object_new_object(); | |
1585 | json_mac = json_object_new_object(); | |
1586 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1587 | } | |
1588 | ||
1589 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { | |
1590 | if (json == NULL) { | |
1591 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1592 | zvni->vni, num_macs); | |
1593 | } else | |
1594 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1595 | } | |
1596 | /* assign per-vni to wctx->json object to fill macs | |
1597 | * under the vni. Re-assign primary json object to fill | |
1598 | * next vni information. | |
1599 | */ | |
1600 | wctx->json = json_mac; | |
1601 | if (wctx->print_dup) | |
1602 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash_detail, | |
1603 | wctx); | |
1604 | else | |
1605 | hash_iterate(zvni->mac_table, zvni_print_mac_hash_detail, wctx); | |
1606 | wctx->json = json; | |
1607 | if (json) { | |
1608 | if (wctx->count) | |
1609 | json_object_object_add(json_vni, "macs", json_mac); | |
1610 | json_object_object_add(json, vni_str, json_vni); | |
1611 | } | |
1612 | } | |
1613 | ||
e3b78da8 | 1614 | static void zl3vni_print_nh_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1615 | { |
1616 | struct nh_walk_ctx *wctx = NULL; | |
1617 | struct vty *vty = NULL; | |
32798965 | 1618 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
1619 | struct json_object *json_nh = NULL; |
1620 | zebra_neigh_t *n = NULL; | |
1621 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 1622 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1623 | |
1624 | wctx = (struct nh_walk_ctx *)ctx; | |
1625 | vty = wctx->vty; | |
32798965 MK |
1626 | json_vni = wctx->json; |
1627 | if (json_vni) | |
b7cfce93 | 1628 | json_nh = json_object_new_object(); |
e3b78da8 | 1629 | n = (zebra_neigh_t *)bucket->data; |
b7cfce93 | 1630 | |
32798965 | 1631 | if (!json_vni) { |
4cce389e | 1632 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 1633 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 1634 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 1635 | } else { |
4cce389e | 1636 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 1637 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
1638 | json_object_string_add( |
1639 | json_nh, "routerMac", | |
1640 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
1641 | json_object_object_add(json_vni, |
1642 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
1643 | json_nh); | |
b7cfce93 MK |
1644 | } |
1645 | } | |
1646 | ||
e3b78da8 | 1647 | static void zl3vni_print_nh_hash_all_vni(struct hash_bucket *bucket, |
32798965 | 1648 | void **args) |
2dbad57f | 1649 | { |
1650 | struct vty *vty = NULL; | |
1651 | json_object *json = NULL; | |
1652 | json_object *json_vni = NULL; | |
2dbad57f | 1653 | zebra_l3vni_t *zl3vni = NULL; |
1654 | uint32_t num_nh = 0; | |
32798965 | 1655 | struct nh_walk_ctx wctx; |
2dbad57f | 1656 | char vni_str[VNI_STR_LEN]; |
1657 | ||
32798965 MK |
1658 | vty = (struct vty *)args[0]; |
1659 | json = (struct json_object *)args[1]; | |
2dbad57f | 1660 | |
e3b78da8 | 1661 | zl3vni = (zebra_l3vni_t *)bucket->data; |
2dbad57f | 1662 | |
1663 | num_nh = hashcount(zl3vni->nh_table); | |
1664 | if (!num_nh) | |
1665 | return; | |
1666 | ||
1667 | if (json) { | |
1668 | json_vni = json_object_new_object(); | |
2dbad57f | 1669 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1670 | } | |
1671 | ||
1672 | if (json == NULL) { | |
996c9314 | 1673 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 1674 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 1675 | } else |
4cce389e | 1676 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 1677 | |
32798965 MK |
1678 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
1679 | wctx.vty = vty; | |
1680 | wctx.json = json_vni; | |
1681 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
1682 | if (json) | |
2dbad57f | 1683 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 1684 | } |
1685 | ||
e3b78da8 | 1686 | static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket *bucket, |
c0b4eaa4 | 1687 | void **args) |
b7cfce93 MK |
1688 | { |
1689 | struct vty *vty = NULL; | |
1690 | json_object *json = NULL; | |
1691 | json_object *json_vni = NULL; | |
b7cfce93 | 1692 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 1693 | uint32_t num_rmacs; |
c0b4eaa4 | 1694 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
1695 | char vni_str[VNI_STR_LEN]; |
1696 | ||
c0b4eaa4 MK |
1697 | vty = (struct vty *)args[0]; |
1698 | json = (struct json_object *)args[1]; | |
b7cfce93 | 1699 | |
e3b78da8 | 1700 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1701 | |
1702 | num_rmacs = hashcount(zl3vni->rmac_table); | |
1703 | if (!num_rmacs) | |
1704 | return; | |
1705 | ||
1706 | if (json) { | |
1707 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
1708 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1709 | } | |
1710 | ||
1711 | if (json == NULL) { | |
996c9314 | 1712 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 1713 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
1714 | } else |
1715 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
1716 | ||
1717 | /* assign per-vni to wctx->json object to fill macs | |
1718 | * under the vni. Re-assign primary json object to fill | |
1719 | * next vni information. | |
1720 | */ | |
c0b4eaa4 MK |
1721 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
1722 | wctx.vty = vty; | |
1723 | wctx.json = json_vni; | |
1724 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
1725 | if (json) | |
b7cfce93 | 1726 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1727 | } |
1728 | ||
e3b78da8 | 1729 | static void zl3vni_print_rmac_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1730 | { |
1731 | zebra_mac_t *zrmac = NULL; | |
1732 | struct rmac_walk_ctx *wctx = NULL; | |
1733 | struct vty *vty = NULL; | |
1734 | struct json_object *json = NULL; | |
1735 | struct json_object *json_rmac = NULL; | |
1736 | char buf[ETHER_ADDR_STRLEN]; | |
1737 | ||
1738 | wctx = (struct rmac_walk_ctx *)ctx; | |
1739 | vty = wctx->vty; | |
1740 | json = wctx->json; | |
1741 | if (json) | |
1742 | json_rmac = json_object_new_object(); | |
e3b78da8 | 1743 | zrmac = (zebra_mac_t *)bucket->data; |
b7cfce93 MK |
1744 | |
1745 | if (!json) { | |
4cce389e | 1746 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 1747 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 1748 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 1749 | } else { |
996c9314 LB |
1750 | json_object_string_add( |
1751 | json_rmac, "routerMac", | |
1752 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 1753 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 1754 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
1755 | json_object_object_add( |
1756 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
1757 | json_rmac); | |
b7cfce93 MK |
1758 | } |
1759 | } | |
1760 | ||
1761 | /* print a specific L3 VNI entry */ | |
1762 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
1763 | { | |
1764 | char buf[ETHER_ADDR_STRLEN]; | |
1765 | struct vty *vty = NULL; | |
1766 | json_object *json = NULL; | |
1767 | zebra_vni_t *zvni = NULL; | |
1768 | json_object *json_vni_list = NULL; | |
1769 | struct listnode *node = NULL, *nnode = NULL; | |
1770 | ||
1771 | vty = ctx[0]; | |
1772 | json = ctx[1]; | |
1773 | ||
1774 | if (!json) { | |
1775 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 1776 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 1777 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 1778 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 1779 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
1780 | vty_out(vty, " Vxlan-Intf: %s\n", |
1781 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
1782 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
1783 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 1784 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
1785 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
1786 | ? "prefix-routes-only" | |
1787 | : "none"); | |
4cce389e | 1788 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 1789 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 1790 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
1791 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
1792 | vty_out(vty, "%u ", zvni->vni); | |
1793 | vty_out(vty, "\n"); | |
1794 | } else { | |
1795 | json_vni_list = json_object_new_array(); | |
1796 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
1797 | json_object_string_add(json, "type", "L3"); |
1798 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 1799 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 1800 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 1801 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 1802 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 1803 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
1804 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
1805 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
1806 | json_object_string_add( | |
1807 | json, "routerMac", | |
1808 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1809 | json_object_string_add( | |
1810 | json, "vniFilter", | |
1811 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
1812 | ? "prefix-routes-only" | |
1813 | : "none"); | |
b7cfce93 MK |
1814 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
1815 | json_object_array_add(json_vni_list, | |
1816 | json_object_new_int(zvni->vni)); | |
1817 | } | |
4cce389e | 1818 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
1819 | } |
1820 | } | |
1821 | ||
cec2e17d | 1822 | /* |
1823 | * Print a specific VNI entry. | |
1824 | */ | |
cd233079 | 1825 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 1826 | { |
1827 | struct vty *vty; | |
1828 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1829 | uint32_t num_macs; |
1830 | uint32_t num_neigh; | |
cd233079 CS |
1831 | json_object *json = NULL; |
1832 | json_object *json_vtep_list = NULL; | |
1833 | json_object *json_ip_str = NULL; | |
d62a17ae | 1834 | |
cd233079 CS |
1835 | vty = ctxt[0]; |
1836 | json = ctxt[1]; | |
1837 | ||
b7cfce93 | 1838 | if (json == NULL) { |
cd233079 | 1839 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1840 | vty_out(vty, " Type: %s\n", "L2"); |
1841 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1842 | } else { |
cd233079 | 1843 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1844 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1845 | json_object_string_add(json, "vrf", |
1846 | vrf_id_to_name(zvni->vrf_id)); | |
1847 | } | |
d62a17ae | 1848 | |
d62a17ae | 1849 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1850 | if (json == NULL) |
1851 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1852 | return; |
1853 | } | |
790f8dc5 | 1854 | num_macs = num_valid_macs(zvni); |
cd233079 | 1855 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1856 | if (json == NULL) { |
996c9314 | 1857 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1858 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1859 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1860 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1861 | } else { |
cd233079 CS |
1862 | json_object_string_add(json, "vxlanInterface", |
1863 | zvni->vxlan_if->name); | |
1864 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1865 | json_object_string_add(json, "vtepIp", | |
1866 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1867 | json_object_string_add(json, "advertiseGatewayMacip", |
1868 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1869 | json_object_int_add(json, "numMacs", num_macs); |
1870 | json_object_int_add(json, "numArpNd", num_neigh); | |
1871 | } | |
d62a17ae | 1872 | if (!zvni->vteps) { |
cd233079 CS |
1873 | if (json == NULL) |
1874 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1875 | } else { |
cd233079 CS |
1876 | if (json == NULL) |
1877 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1878 | else | |
1879 | json_vtep_list = json_object_new_array(); | |
1880 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1881 | if (json == NULL) | |
1882 | vty_out(vty, " %s\n", | |
1883 | inet_ntoa(zvtep->vtep_ip)); | |
1884 | else { | |
1885 | json_ip_str = json_object_new_string( | |
1886 | inet_ntoa(zvtep->vtep_ip)); | |
1887 | json_object_array_add(json_vtep_list, | |
1888 | json_ip_str); | |
1889 | } | |
1890 | } | |
1891 | if (json) | |
1892 | json_object_object_add(json, "numRemoteVteps", | |
1893 | json_vtep_list); | |
1894 | } | |
1895 | if (json == NULL) { | |
1896 | vty_out(vty, | |
1897 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1898 | num_macs); | |
1899 | vty_out(vty, | |
1900 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1901 | "known for this VNI: %u\n", | |
1902 | num_neigh); | |
ddd16ed5 MK |
1903 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1904 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1905 | } |
cec2e17d | 1906 | } |
1907 | ||
b7cfce93 | 1908 | /* print a L3 VNI hash entry */ |
e3b78da8 | 1909 | static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[]) |
b7cfce93 | 1910 | { |
b7cfce93 MK |
1911 | struct vty *vty = NULL; |
1912 | json_object *json = NULL; | |
51d8de8f | 1913 | json_object *json_vni = NULL; |
b7cfce93 MK |
1914 | zebra_l3vni_t *zl3vni = NULL; |
1915 | ||
51d8de8f MK |
1916 | vty = (struct vty *)ctx[0]; |
1917 | json = (json_object *)ctx[1]; | |
b7cfce93 | 1918 | |
e3b78da8 | 1919 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1920 | |
1921 | if (!json) { | |
996c9314 LB |
1922 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1923 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1924 | hashcount(zl3vni->rmac_table), |
996c9314 | 1925 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1926 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1927 | } else { |
51d8de8f MK |
1928 | char vni_str[VNI_STR_LEN]; |
1929 | ||
1930 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1931 | json_vni = json_object_new_object(); | |
1932 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1933 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1934 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1935 | json_object_int_add(json_vni, "numMacs", |
1936 | hashcount(zl3vni->rmac_table)); | |
1937 | json_object_int_add(json_vni, "numArpNd", | |
1938 | hashcount(zl3vni->nh_table)); | |
1939 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1940 | json_object_string_add(json_vni, "type", "L3"); | |
1941 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1942 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1943 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1944 | } |
b7cfce93 MK |
1945 | } |
1946 | ||
09af6961 NS |
1947 | /* Private Structure to pass callback data for hash iterator */ |
1948 | struct zvni_evpn_show { | |
1949 | struct vty *vty; | |
1950 | json_object *json; | |
1951 | struct zebra_vrf *zvrf; | |
1952 | }; | |
1953 | ||
1954 | /* print a L3 VNI hash entry in detail*/ | |
e3b78da8 | 1955 | static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
1956 | { |
1957 | struct vty *vty = NULL; | |
1958 | zebra_l3vni_t *zl3vni = NULL; | |
1959 | json_object *json = NULL; | |
1960 | bool use_json = false; | |
1961 | struct zvni_evpn_show *zes = data; | |
1962 | ||
1963 | vty = zes->vty; | |
1964 | json = zes->json; | |
1965 | ||
1966 | if (json) | |
1967 | use_json = true; | |
1968 | ||
e3b78da8 | 1969 | zl3vni = (zebra_l3vni_t *)bucket->data; |
09af6961 NS |
1970 | |
1971 | zebra_vxlan_print_vni(vty, zes->zvrf, zl3vni->vni, use_json); | |
1972 | vty_out(vty, "\n"); | |
1973 | } | |
1974 | ||
1975 | ||
cec2e17d | 1976 | /* |
1977 | * Print a VNI hash entry - called for display of all VNIs. | |
1978 | */ | |
e3b78da8 | 1979 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]) |
cec2e17d | 1980 | { |
d62a17ae | 1981 | struct vty *vty; |
1982 | zebra_vni_t *zvni; | |
1983 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1984 | uint32_t num_vteps = 0; |
1985 | uint32_t num_macs = 0; | |
1986 | uint32_t num_neigh = 0; | |
cd233079 CS |
1987 | json_object *json = NULL; |
1988 | json_object *json_vni = NULL; | |
1989 | json_object *json_ip_str = NULL; | |
1990 | json_object *json_vtep_list = NULL; | |
1991 | ||
1992 | vty = ctxt[0]; | |
1993 | json = ctxt[1]; | |
cec2e17d | 1994 | |
e3b78da8 | 1995 | zvni = (zebra_vni_t *)bucket->data; |
cec2e17d | 1996 | |
d62a17ae | 1997 | zvtep = zvni->vteps; |
1998 | while (zvtep) { | |
1999 | num_vteps++; | |
2000 | zvtep = zvtep->next; | |
2001 | } | |
cec2e17d | 2002 | |
790f8dc5 | 2003 | num_macs = num_valid_macs(zvni); |
d62a17ae | 2004 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 2005 | if (json == NULL) |
996c9314 | 2006 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 2007 | zvni->vni, "L2", |
cd233079 | 2008 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 2009 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 2010 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
2011 | else { |
2012 | char vni_str[VNI_STR_LEN]; | |
2013 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
2014 | json_vni = json_object_new_object(); | |
4cce389e MK |
2015 | json_object_int_add(json_vni, "vni", zvni->vni); |
2016 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
2017 | json_object_string_add(json_vni, "vxlanIf", |
2018 | zvni->vxlan_if ? zvni->vxlan_if->name | |
2019 | : "unknown"); | |
cd233079 CS |
2020 | json_object_int_add(json_vni, "numMacs", num_macs); |
2021 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
2022 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
2023 | json_object_string_add(json_vni, "tenantVrf", |
2024 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
2025 | if (num_vteps) { |
2026 | json_vtep_list = json_object_new_array(); | |
2027 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
2028 | json_ip_str = json_object_new_string( | |
2029 | inet_ntoa(zvtep->vtep_ip)); | |
2030 | json_object_array_add(json_vtep_list, | |
2031 | json_ip_str); | |
2032 | } | |
2033 | json_object_object_add(json_vni, "remoteVteps", | |
2034 | json_vtep_list); | |
2035 | } | |
2036 | json_object_object_add(json, vni_str, json_vni); | |
2037 | } | |
cec2e17d | 2038 | } |
2039 | ||
09af6961 NS |
2040 | /* |
2041 | * Print a VNI hash entry in detail - called for display of all VNIs. | |
2042 | */ | |
e3b78da8 | 2043 | static void zvni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
2044 | { |
2045 | struct vty *vty; | |
2046 | zebra_vni_t *zvni; | |
2047 | json_object *json = NULL; | |
2048 | bool use_json = false; | |
2049 | struct zvni_evpn_show *zes = data; | |
2050 | ||
2051 | vty = zes->vty; | |
2052 | json = zes->json; | |
2053 | ||
2054 | if (json) | |
2055 | use_json = true; | |
2056 | ||
e3b78da8 | 2057 | zvni = (zebra_vni_t *)bucket->data; |
09af6961 NS |
2058 | |
2059 | zebra_vxlan_print_vni(vty, zes->zvrf, zvni->vni, use_json); | |
2060 | vty_out(vty, "\n"); | |
2061 | } | |
2062 | ||
13d60d35 | 2063 | /* |
2232a77c | 2064 | * Inform BGP about local MACIP. |
2065 | */ | |
996c9314 | 2066 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2067 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 2068 | uint32_t seq, int state, uint16_t cmd) |
d62a17ae | 2069 | { |
d62a17ae | 2070 | char buf[ETHER_ADDR_STRLEN]; |
2071 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2072 | int ipa_len; |
2073 | struct zserv *client = NULL; | |
2074 | struct stream *s = NULL; | |
d62a17ae | 2075 | |
21ccc0cf | 2076 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2077 | /* BGP may not be running. */ |
2078 | if (!client) | |
2079 | return 0; | |
2080 | ||
1002497a | 2081 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2082 | |
43779a11 | 2083 | zclient_create_header(s, cmd, zebra_vrf_get_evpn_id()); |
d62a17ae | 2084 | stream_putl(s, vni); |
ff8b7eb8 | 2085 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 2086 | if (ip) { |
2087 | ipa_len = 0; | |
2088 | if (IS_IPADDR_V4(ip)) | |
2089 | ipa_len = IPV4_MAX_BYTELEN; | |
2090 | else if (IS_IPADDR_V6(ip)) | |
2091 | ipa_len = IPV6_MAX_BYTELEN; | |
2092 | ||
2093 | stream_putl(s, ipa_len); /* IP address length */ | |
2094 | if (ipa_len) | |
2095 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
2096 | } else | |
2097 | stream_putl(s, 0); /* Just MAC. */ | |
2098 | ||
f07e1c99 | 2099 | if (cmd == ZEBRA_MACIP_ADD) { |
2100 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
2101 | stream_putl(s, seq); /* sequence number */ | |
2c476b72 AK |
2102 | } else { |
2103 | stream_putl(s, state); /* state - active/inactive */ | |
f07e1c99 | 2104 | } |
d62a17ae | 2105 | |
b7cfce93 | 2106 | |
d62a17ae | 2107 | /* Write packet size. */ |
2108 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2109 | ||
2110 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 2111 | zlog_debug( |
f07e1c99 | 2112 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
2113 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
2114 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 2115 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 2116 | zebra_route_string(client->proto)); |
d62a17ae | 2117 | |
2118 | if (cmd == ZEBRA_MACIP_ADD) | |
2119 | client->macipadd_cnt++; | |
2120 | else | |
2121 | client->macipdel_cnt++; | |
2122 | ||
21ccc0cf | 2123 | return zserv_send_message(client, s); |
2232a77c | 2124 | } |
2125 | ||
2126 | /* | |
2127 | * Make hash key for neighbors. | |
13d60d35 | 2128 | */ |
d62a17ae | 2129 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 2130 | { |
d62a17ae | 2131 | zebra_neigh_t *n = p; |
2132 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 2133 | |
d62a17ae | 2134 | if (IS_IPADDR_V4(ip)) |
2135 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 2136 | |
d62a17ae | 2137 | return jhash2(ip->ipaddr_v6.s6_addr32, |
2138 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 2139 | } |
2140 | ||
2141 | /* | |
2232a77c | 2142 | * Compare two neighbor hash structures. |
13d60d35 | 2143 | */ |
74df8d6d | 2144 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 2145 | { |
d62a17ae | 2146 | const zebra_neigh_t *n1 = p1; |
2147 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 2148 | |
d62a17ae | 2149 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 2150 | return true; |
2232a77c | 2151 | |
d62a17ae | 2152 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 2153 | return false; |
2232a77c | 2154 | |
d62a17ae | 2155 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 2156 | } |
2157 | ||
27fa3398 DS |
2158 | static int neigh_list_cmp(void *p1, void *p2) |
2159 | { | |
2160 | const zebra_neigh_t *n1 = p1; | |
2161 | const zebra_neigh_t *n2 = p2; | |
2162 | ||
2163 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
2164 | } | |
2165 | ||
13d60d35 | 2166 | /* |
2232a77c | 2167 | * Callback to allocate neighbor hash entry. |
13d60d35 | 2168 | */ |
d62a17ae | 2169 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 2170 | { |
d62a17ae | 2171 | const zebra_neigh_t *tmp_n = p; |
2172 | zebra_neigh_t *n; | |
13d60d35 | 2173 | |
d62a17ae | 2174 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
2175 | *n = *tmp_n; | |
2232a77c | 2176 | |
d62a17ae | 2177 | return ((void *)n); |
13d60d35 | 2178 | } |
2179 | ||
2180 | /* | |
2232a77c | 2181 | * Add neighbor entry. |
13d60d35 | 2182 | */ |
b6938a74 MK |
2183 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
2184 | struct ethaddr *mac) | |
13d60d35 | 2185 | { |
d62a17ae | 2186 | zebra_neigh_t tmp_n; |
2187 | zebra_neigh_t *n = NULL; | |
b6938a74 | 2188 | zebra_mac_t *zmac = NULL; |
13d60d35 | 2189 | |
d62a17ae | 2190 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
2191 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
2192 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
2193 | assert(n); | |
13d60d35 | 2194 | |
b6938a74 MK |
2195 | memcpy(&n->emac, mac, ETH_ALEN); |
2196 | n->state = ZEBRA_NEIGH_INACTIVE; | |
d346c2e9 | 2197 | n->zvni = zvni; |
55328d8a | 2198 | n->dad_ip_auto_recovery_timer = NULL; |
b6938a74 MK |
2199 | |
2200 | /* Associate the neigh to mac */ | |
2201 | zmac = zvni_mac_lookup(zvni, mac); | |
2202 | if (zmac) | |
2203 | listnode_add_sort(zmac->neigh_list, n); | |
2204 | ||
d62a17ae | 2205 | return n; |
13d60d35 | 2206 | } |
2207 | ||
2208 | /* | |
2232a77c | 2209 | * Delete neighbor entry. |
13d60d35 | 2210 | */ |
d62a17ae | 2211 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 2212 | { |
d62a17ae | 2213 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
2214 | zebra_mac_t *zmac = NULL; |
2215 | ||
2216 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
2217 | if (zmac) | |
2218 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 2219 | |
55328d8a CS |
2220 | /* Cancel auto recovery */ |
2221 | THREAD_OFF(n->dad_ip_auto_recovery_timer); | |
2222 | ||
d62a17ae | 2223 | /* Free the VNI hash entry and allocated memory. */ |
2224 | tmp_n = hash_release(zvni->neigh_table, n); | |
0a22ddfb | 2225 | XFREE(MTYPE_NEIGH, tmp_n); |
13d60d35 | 2226 | |
d62a17ae | 2227 | return 0; |
13d60d35 | 2228 | } |
2229 | ||
2230 | /* | |
2232a77c | 2231 | * Free neighbor hash entry (callback) |
13d60d35 | 2232 | */ |
e3b78da8 | 2233 | static void zvni_neigh_del_hash_entry(struct hash_bucket *bucket, void *arg) |
13d60d35 | 2234 | { |
d62a17ae | 2235 | struct neigh_walk_ctx *wctx = arg; |
e3b78da8 | 2236 | zebra_neigh_t *n = bucket->data; |
2232a77c | 2237 | |
d62a17ae | 2238 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
2239 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
2240 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
2241 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
2242 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
2243 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
2244 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 2245 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
2c476b72 | 2246 | &n->emac, 0, n->state); |
13d60d35 | 2247 | |
d62a17ae | 2248 | if (wctx->uninstall) |
2249 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 2250 | |
b1599bb6 | 2251 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 2252 | } |
13d60d35 | 2253 | |
b1599bb6 | 2254 | return; |
13d60d35 | 2255 | } |
2256 | ||
2257 | /* | |
2232a77c | 2258 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 2259 | */ |
d62a17ae | 2260 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2261 | struct in_addr *r_vtep_ip) | |
13d60d35 | 2262 | { |
d62a17ae | 2263 | struct neigh_walk_ctx wctx; |
13d60d35 | 2264 | |
d62a17ae | 2265 | if (!zvni->neigh_table) |
2266 | return; | |
13d60d35 | 2267 | |
d62a17ae | 2268 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2269 | wctx.zvni = zvni; | |
2270 | wctx.uninstall = uninstall; | |
2271 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
2272 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 2273 | |
b1599bb6 | 2274 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 2275 | } |
13d60d35 | 2276 | |
2232a77c | 2277 | /* |
2278 | * Delete all neighbor entries for this VNI. | |
2279 | */ | |
996c9314 | 2280 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2281 | uint32_t flags) |
2232a77c | 2282 | { |
d62a17ae | 2283 | struct neigh_walk_ctx wctx; |
13d60d35 | 2284 | |
d62a17ae | 2285 | if (!zvni->neigh_table) |
2286 | return; | |
13d60d35 | 2287 | |
d62a17ae | 2288 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2289 | wctx.zvni = zvni; | |
d62a17ae | 2290 | wctx.uninstall = uninstall; |
2291 | wctx.upd_client = upd_client; | |
2292 | wctx.flags = flags; | |
2232a77c | 2293 | |
b1599bb6 | 2294 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 2295 | } |
2296 | ||
2297 | /* | |
2232a77c | 2298 | * Look up neighbor hash entry. |
2299 | */ | |
d62a17ae | 2300 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 2301 | { |
d62a17ae | 2302 | zebra_neigh_t tmp; |
2303 | zebra_neigh_t *n; | |
2232a77c | 2304 | |
d62a17ae | 2305 | memset(&tmp, 0, sizeof(tmp)); |
2306 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
2307 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 2308 | |
d62a17ae | 2309 | return n; |
2232a77c | 2310 | } |
2311 | ||
f07e1c99 | 2312 | /* |
2313 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
2314 | * locally or undergoing any other change (such as sequence number). | |
2315 | */ | |
2316 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
2317 | zebra_mac_t *zmac, | |
2318 | bool seq_change) | |
b6938a74 MK |
2319 | { |
2320 | zebra_neigh_t *n = NULL; | |
2321 | struct listnode *node = NULL; | |
c80a972c | 2322 | struct zebra_vrf *zvrf = NULL; |
b6938a74 | 2323 | char buf[ETHER_ADDR_STRLEN]; |
b6938a74 | 2324 | |
6005fe55 | 2325 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
c80a972c | 2326 | |
f07e1c99 | 2327 | if (IS_ZEBRA_DEBUG_VXLAN) |
2328 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
2329 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2330 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
2331 | ||
2332 | /* Walk all neighbors and mark any inactive local neighbors as | |
2333 | * active and/or update sequence number upon a move, and inform BGP. | |
2334 | * The action for remote neighbors is TBD. | |
2335 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
2336 | * accidentally end up deleting a just-learnt local neighbor. | |
2337 | */ | |
b6938a74 MK |
2338 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2339 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 2340 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 2341 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2342 | n->loc_seq = zmac->loc_seq; |
c80a972c CS |
2343 | if (!(zvrf->dup_addr_detect && |
2344 | zvrf->dad_freeze && !!CHECK_FLAG(n->flags, | |
2345 | ZEBRA_NEIGH_DUPLICATE))) | |
2346 | zvni_neigh_send_add_to_client( | |
2347 | zvni->vni, &n->ip, &n->emac, | |
2348 | n->flags, n->loc_seq); | |
b6938a74 | 2349 | } |
b6938a74 MK |
2350 | } |
2351 | } | |
2352 | } | |
2353 | ||
f07e1c99 | 2354 | /* |
2355 | * Process all neighbors associated with a local MAC upon the MAC being | |
2356 | * deleted. | |
2357 | */ | |
2853fed6 | 2358 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2359 | zebra_mac_t *zmac) |
2360 | { | |
2361 | zebra_neigh_t *n = NULL; | |
2362 | struct listnode *node = NULL; | |
2363 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2364 | |
f07e1c99 | 2365 | if (IS_ZEBRA_DEBUG_VXLAN) |
2366 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
2367 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2368 | zvni->vni); | |
2369 | ||
2370 | /* Walk all local neighbors and mark as inactive and inform | |
2371 | * BGP, if needed. | |
2372 | * TBD: There is currently no handling for remote neighbors. We | |
2373 | * don't expect them to exist, if they do, do we install the MAC | |
2374 | * as a remote MAC and the neighbor as remote? | |
2375 | */ | |
b6938a74 MK |
2376 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2377 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2378 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2379 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2380 | n->loc_seq = 0; |
996c9314 | 2381 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2382 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 | 2383 | } |
b6938a74 MK |
2384 | } |
2385 | } | |
2386 | } | |
2387 | ||
f07e1c99 | 2388 | /* |
2389 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
2390 | * learnt. | |
2391 | */ | |
2853fed6 | 2392 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
2393 | zebra_mac_t *zmac) |
2394 | { | |
2395 | zebra_neigh_t *n = NULL; | |
2396 | struct listnode *node = NULL; | |
2397 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2398 | |
f07e1c99 | 2399 | if (IS_ZEBRA_DEBUG_VXLAN) |
2400 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
2401 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2402 | zvni->vni); | |
2403 | ||
2404 | /* Walk all local neighbors and mark as inactive and inform | |
2405 | * BGP, if needed. | |
2406 | */ | |
b6938a74 MK |
2407 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2408 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2409 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2410 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2411 | n->loc_seq = 0; |
996c9314 | 2412 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2413 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 MK |
2414 | } |
2415 | } | |
2416 | } | |
2417 | } | |
2418 | ||
f07e1c99 | 2419 | /* |
2420 | * Process all neighbors associated with a remote MAC upon the MAC being | |
2421 | * deleted. | |
2422 | */ | |
2853fed6 | 2423 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2424 | zebra_mac_t *zmac) |
2425 | { | |
f07e1c99 | 2426 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
2427 | } |
2428 | ||
44bc8ae5 CS |
2429 | static void zvni_probe_neigh_on_mac_add(zebra_vni_t *zvni, zebra_mac_t *zmac) |
2430 | { | |
2431 | zebra_neigh_t *nbr = NULL; | |
2432 | struct listnode *node = NULL; | |
2433 | ||
2434 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, nbr)) { | |
2435 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) && | |
2436 | IS_ZEBRA_NEIGH_INACTIVE(nbr)) | |
2437 | zvni_neigh_probe(zvni, nbr); | |
2438 | } | |
2439 | } | |
2440 | ||
2232a77c | 2441 | /* |
2442 | * Inform BGP about local neighbor addition. | |
13d60d35 | 2443 | */ |
996c9314 | 2444 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 2445 | struct ethaddr *macaddr, |
f07e1c99 | 2446 | uint8_t neigh_flags, |
2447 | uint32_t seq) | |
13d60d35 | 2448 | { |
d7c0a89a | 2449 | uint8_t flags = 0; |
ead40654 MK |
2450 | |
2451 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
2452 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
2453 | /* Set router flag (R-bit) based on local neigh entry add */ |
2454 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
2455 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 2456 | |
2853fed6 | 2457 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2458 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 2459 | } |
13d60d35 | 2460 | |
2232a77c | 2461 | /* |
2462 | * Inform BGP about local neighbor deletion. | |
2463 | */ | |
996c9314 | 2464 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
2c476b72 AK |
2465 | struct ethaddr *macaddr, uint8_t flags, |
2466 | int state) | |
2232a77c | 2467 | { |
2853fed6 | 2468 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2469 | 0, state, ZEBRA_MACIP_DEL); |
2232a77c | 2470 | } |
2471 | ||
2472 | /* | |
2473 | * Install remote neighbor into the kernel. | |
2474 | */ | |
d62a17ae | 2475 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2476 | { |
d62a17ae | 2477 | struct zebra_if *zif; |
2478 | struct zebra_l2info_vxlan *vxl; | |
2479 | struct interface *vlan_if; | |
f7dae312 | 2480 | #ifdef GNU_LINUX |
68e33151 | 2481 | uint8_t flags; |
f7dae312 | 2482 | #endif |
68e33151 | 2483 | int ret = 0; |
2232a77c | 2484 | |
d62a17ae | 2485 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2486 | return 0; | |
13d60d35 | 2487 | |
d62a17ae | 2488 | zif = zvni->vxlan_if->info; |
2489 | if (!zif) | |
2490 | return -1; | |
2491 | vxl = &zif->l2info.vxl; | |
13d60d35 | 2492 | |
2853fed6 | 2493 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2494 | if (!vlan_if) |
2495 | return -1; | |
68e33151 CS |
2496 | #ifdef GNU_LINUX |
2497 | flags = NTF_EXT_LEARNED; | |
2498 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
2499 | flags |= NTF_ROUTER; | |
f07e1c99 | 2500 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
2501 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
2502 | #endif | |
2503 | return ret; | |
2232a77c | 2504 | } |
13d60d35 | 2505 | |
2232a77c | 2506 | /* |
2507 | * Uninstall remote neighbor from the kernel. | |
2508 | */ | |
d62a17ae | 2509 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2510 | { |
d62a17ae | 2511 | struct zebra_if *zif; |
2512 | struct zebra_l2info_vxlan *vxl; | |
2513 | struct interface *vlan_if; | |
13d60d35 | 2514 | |
d62a17ae | 2515 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2516 | return 0; | |
2232a77c | 2517 | |
d62a17ae | 2518 | if (!zvni->vxlan_if) { |
9df414fe QY |
2519 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2520 | zvni->vni, zvni); | |
d62a17ae | 2521 | return -1; |
2522 | } | |
2232a77c | 2523 | |
d62a17ae | 2524 | zif = zvni->vxlan_if->info; |
2525 | if (!zif) | |
2526 | return -1; | |
2527 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2528 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2529 | if (!vlan_if) |
2530 | return -1; | |
2232a77c | 2531 | |
f07e1c99 | 2532 | ZEBRA_NEIGH_SET_INACTIVE(n); |
2533 | n->loc_seq = 0; | |
d62a17ae | 2534 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 2535 | } |
2536 | ||
44bc8ae5 CS |
2537 | /* |
2538 | * Probe neighbor from the kernel. | |
2539 | */ | |
2540 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n) | |
2541 | { | |
2542 | struct zebra_if *zif; | |
2543 | struct zebra_l2info_vxlan *vxl; | |
2544 | struct interface *vlan_if; | |
2545 | ||
2546 | zif = zvni->vxlan_if->info; | |
2547 | if (!zif) | |
2548 | return -1; | |
2549 | vxl = &zif->l2info.vxl; | |
2550 | ||
2551 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
2552 | if (!vlan_if) | |
2553 | return -1; | |
2554 | ||
2555 | #ifdef GNU_LINUX | |
2556 | return kernel_upd_neigh(vlan_if, &n->ip, &n->emac, | |
2557 | 0, NUD_PROBE); | |
2558 | #else | |
2559 | return 0; | |
2560 | #endif | |
2561 | } | |
2562 | ||
13d60d35 | 2563 | /* |
2232a77c | 2564 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 2565 | */ |
e3b78da8 | 2566 | static void zvni_install_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
13d60d35 | 2567 | { |
d62a17ae | 2568 | zebra_neigh_t *n; |
2569 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 2570 | |
e3b78da8 | 2571 | n = (zebra_neigh_t *)bucket->data; |
13d60d35 | 2572 | |
d62a17ae | 2573 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
2574 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 2575 | } |
13d60d35 | 2576 | |
1a98c087 MK |
2577 | /* Get the VRR interface for SVI if any */ |
2578 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
2579 | { | |
2580 | struct zebra_vrf *zvrf = NULL; | |
2581 | struct interface *tmp_if = NULL; | |
2582 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
2583 | |
2584 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
2585 | assert(zvrf); | |
2586 | ||
451fda4f | 2587 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
2588 | zif = tmp_if->info; |
2589 | if (!zif) | |
2590 | continue; | |
2591 | ||
2592 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
2593 | continue; | |
2594 | ||
2595 | if (zif->link == ifp) | |
2596 | return tmp_if; | |
2597 | } | |
2598 | ||
2599 | return NULL; | |
2600 | } | |
2601 | ||
2602 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2603 | { | |
1a98c087 MK |
2604 | struct listnode *cnode = NULL, *cnnode = NULL; |
2605 | struct connected *c = NULL; | |
2606 | struct ethaddr macaddr; | |
2607 | ||
1a98c087 MK |
2608 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2609 | ||
2610 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2611 | struct ipaddr ip; | |
2612 | ||
2613 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2614 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2615 | continue; | |
2616 | ||
2617 | if (c->address->family == AF_INET) { | |
2618 | ip.ipa_type = IPADDR_V4; | |
2619 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2620 | sizeof(struct in_addr)); | |
2621 | } else if (c->address->family == AF_INET6) { | |
2622 | ip.ipa_type = IPADDR_V6; | |
2623 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2624 | sizeof(struct in6_addr)); | |
2625 | } else { | |
2626 | continue; | |
2627 | } | |
2628 | ||
2629 | zvni_gw_macip_del(ifp, zvni, &ip); | |
2630 | } | |
2631 | ||
2632 | return 0; | |
2633 | } | |
2634 | ||
2635 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2636 | { | |
1a98c087 MK |
2637 | struct listnode *cnode = NULL, *cnnode = NULL; |
2638 | struct connected *c = NULL; | |
2639 | struct ethaddr macaddr; | |
2640 | ||
1a98c087 MK |
2641 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2642 | ||
2643 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2644 | struct ipaddr ip; | |
2645 | ||
2646 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2647 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2648 | continue; | |
2649 | ||
2650 | if (c->address->family == AF_INET) { | |
2651 | ip.ipa_type = IPADDR_V4; | |
2652 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2653 | sizeof(struct in_addr)); | |
2654 | } else if (c->address->family == AF_INET6) { | |
2655 | ip.ipa_type = IPADDR_V6; | |
2656 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2657 | sizeof(struct in6_addr)); | |
2658 | } else { | |
2659 | continue; | |
2660 | } | |
2661 | ||
2662 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
2663 | } | |
31310b25 MK |
2664 | return 0; |
2665 | } | |
2666 | ||
2667 | ||
996c9314 | 2668 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
2669 | int advertise) |
2670 | { | |
2671 | struct listnode *cnode = NULL, *cnnode = NULL; | |
2672 | struct connected *c = NULL; | |
2673 | struct ethaddr macaddr; | |
2674 | ||
2675 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
2676 | ||
2677 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2678 | struct prefix p; | |
1a98c087 | 2679 | |
31310b25 MK |
2680 | memcpy(&p, c->address, sizeof(struct prefix)); |
2681 | ||
2682 | /* skip link local address */ | |
2683 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
2684 | continue; | |
2685 | ||
2686 | apply_mask(&p); | |
2687 | if (advertise) | |
2688 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 2689 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
2690 | else |
2691 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
2692 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
2693 | } | |
1a98c087 MK |
2694 | return 0; |
2695 | } | |
2696 | ||
2697 | /* | |
2698 | * zvni_gw_macip_add_to_client | |
2699 | */ | |
2700 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
2701 | struct ethaddr *macaddr, struct ipaddr *ip) | |
2702 | { | |
1a98c087 MK |
2703 | char buf[ETHER_ADDR_STRLEN]; |
2704 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2705 | zebra_neigh_t *n = NULL; |
2706 | zebra_mac_t *mac = NULL; | |
2707 | struct zebra_if *zif = NULL; | |
2708 | struct zebra_l2info_vxlan *vxl = NULL; | |
2709 | ||
1a98c087 MK |
2710 | zif = zvni->vxlan_if->info; |
2711 | if (!zif) | |
2712 | return -1; | |
2713 | ||
2714 | vxl = &zif->l2info.vxl; | |
2715 | ||
2716 | mac = zvni_mac_lookup(zvni, macaddr); | |
2717 | if (!mac) { | |
2718 | mac = zvni_mac_add(zvni, macaddr); | |
2719 | if (!mac) { | |
e914ccbe | 2720 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
2721 | "Failed to add MAC %s intf %s(%u) VID %u", |
2722 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2723 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
2724 | return -1; |
2725 | } | |
2726 | } | |
2727 | ||
2728 | /* Set "local" forwarding info. */ | |
2729 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2730 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 2731 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
2732 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
2733 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
2734 | mac->fwd_info.local.vid = vxl->access_vlan; | |
2735 | ||
2736 | n = zvni_neigh_lookup(zvni, ip); | |
2737 | if (!n) { | |
b6938a74 | 2738 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 2739 | if (!n) { |
af4c2728 | 2740 | flog_err( |
e914ccbe | 2741 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 2742 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2743 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 2744 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
2745 | ifp->name, ifp->ifindex, zvni->vni); |
2746 | return -1; | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | /* Set "local" forwarding info. */ | |
2751 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 2752 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 2753 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
2754 | /* Set Router flag (R-bit) */ |
2755 | if (ip->ipa_type == IPADDR_V6) | |
2756 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
2757 | memcpy(&n->emac, macaddr, ETH_ALEN); |
2758 | n->ifindex = ifp->ifindex; | |
2759 | ||
ead40654 MK |
2760 | /* Only advertise in BGP if the knob is enabled */ |
2761 | if (!advertise_gw_macip_enabled(zvni)) | |
2762 | return 0; | |
2763 | ||
1a98c087 MK |
2764 | if (IS_ZEBRA_DEBUG_VXLAN) |
2765 | zlog_debug( | |
68e33151 | 2766 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 2767 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 2768 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 2769 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 2770 | |
f07e1c99 | 2771 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2772 | n->flags, n->loc_seq); | |
1a98c087 MK |
2773 | |
2774 | return 0; | |
2775 | } | |
2776 | ||
2777 | /* | |
2778 | * zvni_gw_macip_del_from_client | |
2779 | */ | |
2780 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
2781 | struct ipaddr *ip) | |
2782 | { | |
0af35d90 | 2783 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 2784 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
2785 | zebra_neigh_t *n = NULL; |
2786 | zebra_mac_t *mac = NULL; | |
2787 | ||
1a98c087 MK |
2788 | /* If the neigh entry is not present nothing to do*/ |
2789 | n = zvni_neigh_lookup(zvni, ip); | |
2790 | if (!n) | |
2791 | return 0; | |
2792 | ||
2793 | /* mac entry should be present */ | |
2794 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 2795 | if (!mac) { |
0437e105 | 2796 | zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u", |
9df414fe QY |
2797 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
2798 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
2799 | return -1; |
2800 | } | |
1a98c087 MK |
2801 | |
2802 | /* If the entry is not local nothing to do*/ | |
2803 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
2804 | return -1; | |
2805 | ||
ead40654 | 2806 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 2807 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2808 | zlog_debug( |
2809 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
2810 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 2811 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 2812 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
2813 | |
2814 | /* Remove neighbor from BGP. */ | |
2815 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
2c476b72 | 2816 | ZEBRA_MACIP_TYPE_GW, ZEBRA_NEIGH_ACTIVE); |
1a98c087 MK |
2817 | |
2818 | /* Delete this neighbor entry. */ | |
2819 | zvni_neigh_del(zvni, n); | |
2820 | ||
2821 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 2822 | if (mac) |
fe697c6b | 2823 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
2824 | |
2825 | return 0; | |
2826 | } | |
2827 | ||
e3b78da8 | 2828 | static void zvni_gw_macip_del_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2829 | void *ctxt) |
1a98c087 MK |
2830 | { |
2831 | zebra_vni_t *zvni = NULL; | |
2832 | struct zebra_if *zif = NULL; | |
2833 | struct zebra_l2info_vxlan zl2_info; | |
2834 | struct interface *vlan_if = NULL; | |
2835 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2836 | struct interface *ifp; |
1a98c087 MK |
2837 | |
2838 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2839 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2840 | |
b5ebdc9b | 2841 | ifp = zvni->vxlan_if; |
2842 | if (!ifp) | |
2843 | return; | |
2844 | zif = ifp->info; | |
2845 | ||
2846 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2847 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2848 | return; |
2849 | ||
1a98c087 MK |
2850 | zl2_info = zif->l2info.vxl; |
2851 | ||
996c9314 LB |
2852 | vlan_if = |
2853 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2854 | if (!vlan_if) |
2855 | return; | |
2856 | ||
2857 | /* Del primary MAC-IP */ | |
2858 | zvni_del_macip_for_intf(vlan_if, zvni); | |
2859 | ||
2860 | /* Del VRR MAC-IP - if any*/ | |
2861 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2862 | if (vrr_if) | |
2863 | zvni_del_macip_for_intf(vrr_if, zvni); | |
2864 | ||
2865 | return; | |
2866 | } | |
2867 | ||
e3b78da8 | 2868 | static void zvni_gw_macip_add_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2869 | void *ctxt) |
1a98c087 MK |
2870 | { |
2871 | zebra_vni_t *zvni = NULL; | |
2872 | struct zebra_if *zif = NULL; | |
2873 | struct zebra_l2info_vxlan zl2_info; | |
2874 | struct interface *vlan_if = NULL; | |
2875 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2876 | struct interface *ifp = NULL; |
1a98c087 | 2877 | |
e3b78da8 | 2878 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2879 | |
b5ebdc9b | 2880 | ifp = zvni->vxlan_if; |
2881 | if (!ifp) | |
2882 | return; | |
2883 | zif = ifp->info; | |
2884 | ||
2885 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2886 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2887 | return; |
1a98c087 MK |
2888 | zl2_info = zif->l2info.vxl; |
2889 | ||
996c9314 LB |
2890 | vlan_if = |
2891 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2892 | if (!vlan_if) |
2893 | return; | |
2894 | ||
1a98c087 MK |
2895 | /* Add primary SVI MAC-IP */ |
2896 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2897 | ||
278e26de CS |
2898 | if (advertise_gw_macip_enabled(zvni)) { |
2899 | /* Add VRR MAC-IP - if any*/ | |
2900 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2901 | if (vrr_if) | |
2902 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2903 | } | |
2904 | ||
2905 | return; | |
2906 | } | |
2907 | ||
e3b78da8 | 2908 | static void zvni_svi_macip_del_for_vni_hash(struct hash_bucket *bucket, |
278e26de CS |
2909 | void *ctxt) |
2910 | { | |
2911 | zebra_vni_t *zvni = NULL; | |
2912 | struct zebra_if *zif = NULL; | |
2913 | struct zebra_l2info_vxlan zl2_info; | |
2914 | struct interface *vlan_if = NULL; | |
2915 | struct interface *ifp; | |
2916 | ||
2917 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2918 | zvni = (zebra_vni_t *)bucket->data; |
278e26de CS |
2919 | if (!zvni) |
2920 | return; | |
2921 | ||
2922 | ifp = zvni->vxlan_if; | |
2923 | if (!ifp) | |
2924 | return; | |
2925 | zif = ifp->info; | |
2926 | ||
2927 | /* If down or not mapped to a bridge, we're done. */ | |
2928 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
2929 | return; | |
2930 | ||
2931 | zl2_info = zif->l2info.vxl; | |
2932 | ||
2933 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
2934 | zif->brslave_info.br_if); | |
2935 | if (!vlan_if) | |
2936 | return; | |
2937 | ||
2938 | /* Del primary MAC-IP */ | |
2939 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1a98c087 MK |
2940 | |
2941 | return; | |
2942 | } | |
2943 | ||
ee69da27 MK |
2944 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
2945 | struct interface *ifp, | |
2946 | struct ipaddr *ip, | |
68e33151 | 2947 | struct ethaddr *macaddr, |
a37f4598 | 2948 | bool is_router) |
ee69da27 MK |
2949 | { |
2950 | char buf[ETHER_ADDR_STRLEN]; | |
2951 | char buf2[INET6_ADDRSTRLEN]; | |
e22a946a | 2952 | struct zebra_vrf *zvrf; |
ee69da27 MK |
2953 | zebra_neigh_t *n = NULL; |
2954 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 2955 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
2956 | bool upd_mac_seq = false; | |
2957 | bool neigh_mac_change = false; | |
e22a946a CS |
2958 | bool neigh_on_hold = false; |
2959 | bool neigh_was_remote = false; | |
7510e459 | 2960 | bool do_dad = false; |
e22a946a | 2961 | struct in_addr vtep_ip = {.s_addr = 0}; |
ee69da27 | 2962 | |
f07e1c99 | 2963 | /* Check if the MAC exists. */ |
ee69da27 MK |
2964 | zmac = zvni_mac_lookup(zvni, macaddr); |
2965 | if (!zmac) { | |
f07e1c99 | 2966 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
2967 | if (IS_ZEBRA_DEBUG_VXLAN) |
2968 | zlog_debug( | |
2969 | "AUTO MAC %s created for neigh %s on VNI %u", | |
2970 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2971 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
2972 | ||
2973 | zmac = zvni_mac_add(zvni, macaddr); | |
2974 | if (!zmac) { | |
9df414fe QY |
2975 | zlog_debug("Failed to add MAC %s VNI %u", |
2976 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2977 | zvni->vni); | |
ee69da27 MK |
2978 | return -1; |
2979 | } | |
2980 | ||
2981 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2982 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
2983 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 2984 | } else { |
2985 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2986 | /* | |
2987 | * We don't change the MAC to local upon a neighbor | |
2988 | * learn event, we wait for the explicit local MAC | |
2989 | * learn. However, we have to compute its sequence | |
2990 | * number in preparation for when it actually turns | |
2991 | * local. | |
2992 | */ | |
2993 | upd_mac_seq = true; | |
2994 | } | |
ee69da27 MK |
2995 | } |
2996 | ||
6005fe55 | 2997 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
2998 | if (!zvrf) { |
2999 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3000 | zlog_debug("\tUnable to find vrf for: %d", | |
3001 | zvni->vxlan_if->vrf_id); | |
e22a946a | 3002 | return -1; |
28bd0652 | 3003 | } |
e22a946a | 3004 | |
f07e1c99 | 3005 | /* Check if the neighbor exists. */ |
ee69da27 | 3006 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 3007 | if (!n) { |
3008 | /* New neighbor - create */ | |
3009 | n = zvni_neigh_add(zvni, ip, macaddr); | |
3010 | if (!n) { | |
3011 | flog_err( | |
e914ccbe | 3012 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 3013 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
3014 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
3015 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3016 | ifp->name, ifp->ifindex, zvni->vni); | |
3017 | return -1; | |
3018 | } | |
3019 | /* Set "local" forwarding info. */ | |
3020 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3021 | n->ifindex = ifp->ifindex; | |
3022 | } else { | |
ee69da27 | 3023 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 3024 | bool mac_different; |
3025 | bool cur_is_router; | |
3026 | ||
3027 | /* Note any changes and see if of interest to BGP. */ | |
3028 | mac_different = (memcmp(n->emac.octet, | |
3029 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
3030 | cur_is_router = !!CHECK_FLAG(n->flags, | |
3031 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3032 | if (!mac_different && is_router == cur_is_router) { | |
28bd0652 DS |
3033 | if (IS_ZEBRA_DEBUG_VXLAN) |
3034 | zlog_debug( | |
3035 | "\tIgnoring entry mac is the same and is_router == cur_is_router"); | |
ee69da27 | 3036 | n->ifindex = ifp->ifindex; |
66e37987 | 3037 | return 0; |
3038 | } | |
ee69da27 | 3039 | |
66e37987 | 3040 | if (!mac_different) { |
e22a946a CS |
3041 | bool is_neigh_freezed = false; |
3042 | ||
66e37987 | 3043 | /* Only the router flag has changed. */ |
3044 | if (is_router) | |
3045 | SET_FLAG(n->flags, | |
3046 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3047 | else | |
3048 | UNSET_FLAG(n->flags, | |
3049 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 3050 | |
e22a946a CS |
3051 | /* Neigh is in freeze state and freeze action |
3052 | * is enabled, do not send update to client. | |
3053 | */ | |
3054 | is_neigh_freezed = (zvrf->dup_addr_detect && | |
3055 | zvrf->dad_freeze && | |
3056 | CHECK_FLAG(n->flags, | |
3057 | ZEBRA_NEIGH_DUPLICATE)); | |
3058 | ||
3059 | if (IS_ZEBRA_NEIGH_ACTIVE(n) && | |
3060 | !is_neigh_freezed) | |
66e37987 | 3061 | return zvni_neigh_send_add_to_client( |
3062 | zvni->vni, ip, macaddr, | |
3063 | n->flags, n->loc_seq); | |
28bd0652 DS |
3064 | else { |
3065 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3066 | zlog_debug( | |
3067 | "\tNeighbor active and frozen"); | |
3068 | } | |
66e37987 | 3069 | return 0; |
3070 | } | |
3071 | ||
3072 | /* The MAC has changed, need to issue a delete | |
3073 | * first as this means a different MACIP route. | |
3074 | * Also, need to do some unlinking/relinking. | |
3075 | * We also need to update the MAC's sequence number | |
3076 | * in different situations. | |
3077 | */ | |
3078 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
3079 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2c476b72 | 3080 | &n->emac, 0, n->state); |
66e37987 | 3081 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
3082 | if (old_zmac) { | |
3083 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
3084 | ZEBRA_MAC_REMOTE) ? | |
3085 | old_zmac->rem_seq : old_zmac->loc_seq; | |
3086 | neigh_mac_change = upd_mac_seq = true; | |
3087 | listnode_delete(old_zmac->neigh_list, n); | |
3088 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 3089 | } |
ee69da27 | 3090 | |
66e37987 | 3091 | /* Update the forwarding info. */ |
3092 | n->ifindex = ifp->ifindex; | |
3093 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3094 | ||
3095 | /* Link to new MAC */ | |
3096 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 3097 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
3098 | /* | |
3099 | * Neighbor has moved from remote to local. Its | |
3100 | * MAC could have also changed as part of the move. | |
3101 | */ | |
ee69da27 MK |
3102 | if (memcmp(n->emac.octet, macaddr->octet, |
3103 | ETH_ALEN) != 0) { | |
3104 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
3105 | if (old_zmac) { | |
9df2b997 | 3106 | old_mac_seq = CHECK_FLAG( |
3107 | old_zmac->flags, | |
3108 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 3109 | old_zmac->rem_seq : |
3110 | old_zmac->loc_seq; | |
3111 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
3112 | listnode_delete(old_zmac->neigh_list, |
3113 | n); | |
fe697c6b | 3114 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
3115 | } |
3116 | ||
3117 | /* Link to new MAC */ | |
3118 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3119 | listnode_add_sort(zmac->neigh_list, n); | |
3120 | } | |
e22a946a CS |
3121 | /* Based on Mobility event Scenario-B from the |
3122 | * draft, neigh's previous state was remote treat this | |
3123 | * event for DAD. | |
3124 | */ | |
3125 | neigh_was_remote = true; | |
3126 | vtep_ip = n->r_vtep_ip; | |
ee69da27 MK |
3127 | /* Mark appropriately */ |
3128 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
3129 | n->r_vtep_ip.s_addr = 0; | |
3130 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3131 | n->ifindex = ifp->ifindex; | |
3132 | } | |
f07e1c99 | 3133 | } |
3134 | ||
3135 | /* If MAC was previously remote, or the neighbor had a different | |
3136 | * MAC earlier, recompute the sequence number. | |
3137 | */ | |
3138 | if (upd_mac_seq) { | |
3139 | uint32_t seq1, seq2; | |
3140 | ||
3141 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
3142 | zmac->rem_seq + 1 : zmac->loc_seq; | |
3143 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
3144 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
3145 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
3146 | } |
3147 | ||
e22a946a | 3148 | /* Mark Router flag (R-bit) */ |
a37f4598 | 3149 | if (is_router) |
54c17425 CS |
3150 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
3151 | else | |
3152 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
3153 | ||
e22a946a CS |
3154 | /* Check old and/or new MAC detected as duplicate mark |
3155 | * the neigh as duplicate | |
3156 | */ | |
3157 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_zmac, zmac, n)) { | |
3158 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
3159 | "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC", | |
3160 | zvni->vni, | |
3161 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3162 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
3163 | } | |
3164 | ||
7510e459 CS |
3165 | /* For IP Duplicate Address Detection (DAD) is trigger, |
3166 | * when the event is extended mobility based on scenario-B | |
3167 | * from the draft, IP/Neigh's MAC binding changed and | |
3168 | * neigh's previous state was remote. | |
e22a946a | 3169 | */ |
7510e459 CS |
3170 | if (neigh_mac_change && neigh_was_remote) |
3171 | do_dad = true; | |
e22a946a | 3172 | |
7510e459 CS |
3173 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, vtep_ip, do_dad, |
3174 | &neigh_on_hold, true); | |
c80a972c | 3175 | |
ee69da27 | 3176 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 3177 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
3178 | */ |
3179 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 3180 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 3181 | n->loc_seq = 0; |
3182 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
3183 | return 0; |
3184 | } | |
3185 | ||
f07e1c99 | 3186 | /* If the MAC's sequence number has changed, inform the MAC and all |
3187 | * neighbors associated with the MAC to BGP, else just inform this | |
3188 | * neighbor. | |
3189 | */ | |
3190 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 3191 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 3192 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
3193 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3194 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
3195 | zmac->loc_seq = mac_new_seq; | |
3196 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
3197 | zmac->flags, zmac->loc_seq)) | |
3198 | return -1; | |
3199 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
3200 | return 0; |
3201 | } | |
3202 | ||
f07e1c99 | 3203 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 3204 | |
c34e362b CS |
3205 | if (!neigh_on_hold) { |
3206 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
3207 | ||
e22a946a | 3208 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
f07e1c99 | 3209 | n->flags, n->loc_seq); |
c34e362b | 3210 | } else { |
28bd0652 DS |
3211 | if (IS_ZEBRA_DEBUG_VXLAN) |
3212 | zlog_debug("\tNeighbor on hold not sending"); | |
3213 | } | |
e22a946a | 3214 | return 0; |
ee69da27 MK |
3215 | } |
3216 | ||
3217 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
3218 | struct interface *ifp, | |
3219 | struct ipaddr *ip, | |
3220 | struct ethaddr *macaddr, | |
3221 | uint16_t state) | |
3222 | { | |
3223 | char buf[ETHER_ADDR_STRLEN]; | |
3224 | char buf2[INET6_ADDRSTRLEN]; | |
3225 | zebra_neigh_t *n = NULL; | |
3226 | zebra_mac_t *zmac = NULL; | |
3227 | ||
3228 | /* If the neighbor is unknown, there is no further action. */ | |
3229 | n = zvni_neigh_lookup(zvni, ip); | |
3230 | if (!n) | |
3231 | return 0; | |
3232 | ||
3233 | /* If a remote entry, see if it needs to be refreshed */ | |
3234 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 3235 | #ifdef GNU_LINUX |
ee69da27 MK |
3236 | if (state & NUD_STALE) |
3237 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 3238 | #endif |
ee69da27 MK |
3239 | } else { |
3240 | /* We got a "remote" neighbor notification for an entry | |
3241 | * we think is local. This can happen in a multihoming | |
3242 | * scenario - but only if the MAC is already "remote". | |
3243 | * Just mark our entry as "remote". | |
3244 | */ | |
3245 | zmac = zvni_mac_lookup(zvni, macaddr); | |
3246 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 3247 | zlog_debug( |
43e52561 QY |
3248 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
3249 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
3250 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3251 | zvni->vni); | |
ee69da27 MK |
3252 | return -1; |
3253 | } | |
3254 | ||
3255 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3256 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4fd5ea4b | 3257 | ZEBRA_NEIGH_SET_ACTIVE(n); |
ee69da27 MK |
3258 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; |
3259 | } | |
3260 | ||
3261 | return 0; | |
3262 | } | |
3263 | ||
2232a77c | 3264 | /* |
3265 | * Make hash key for MAC. | |
3266 | */ | |
d62a17ae | 3267 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 3268 | { |
d62a17ae | 3269 | zebra_mac_t *pmac = p; |
25331def DS |
3270 | const void *pnt = (void *)pmac->macaddr.octet; |
3271 | ||
ff8b7eb8 | 3272 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 3273 | } |
13d60d35 | 3274 | |
2232a77c | 3275 | /* |
3276 | * Compare two MAC addresses. | |
3277 | */ | |
74df8d6d | 3278 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 3279 | { |
d62a17ae | 3280 | const zebra_mac_t *pmac1 = p1; |
3281 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 3282 | |
d62a17ae | 3283 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 3284 | return true; |
2232a77c | 3285 | |
d62a17ae | 3286 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 3287 | return false; |
2232a77c | 3288 | |
996c9314 | 3289 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 3290 | == 0); |
2232a77c | 3291 | } |
3292 | ||
3293 | /* | |
3294 | * Callback to allocate MAC hash entry. | |
3295 | */ | |
d62a17ae | 3296 | static void *zvni_mac_alloc(void *p) |
2232a77c | 3297 | { |
d62a17ae | 3298 | const zebra_mac_t *tmp_mac = p; |
3299 | zebra_mac_t *mac; | |
2232a77c | 3300 | |
d62a17ae | 3301 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3302 | *mac = *tmp_mac; | |
2232a77c | 3303 | |
d62a17ae | 3304 | return ((void *)mac); |
2232a77c | 3305 | } |
3306 | ||
3307 | /* | |
3308 | * Add MAC entry. | |
3309 | */ | |
d62a17ae | 3310 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 3311 | { |
d62a17ae | 3312 | zebra_mac_t tmp_mac; |
3313 | zebra_mac_t *mac = NULL; | |
2232a77c | 3314 | |
d62a17ae | 3315 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 3316 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 3317 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
3318 | assert(mac); | |
2232a77c | 3319 | |
55328d8a CS |
3320 | mac->zvni = zvni; |
3321 | mac->dad_mac_auto_recovery_timer = NULL; | |
3322 | ||
b6938a74 | 3323 | mac->neigh_list = list_new(); |
27fa3398 | 3324 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 3325 | |
d62a17ae | 3326 | return mac; |
2232a77c | 3327 | } |
3328 | ||
3329 | /* | |
3330 | * Delete MAC entry. | |
3331 | */ | |
d62a17ae | 3332 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3333 | { |
d62a17ae | 3334 | zebra_mac_t *tmp_mac; |
2232a77c | 3335 | |
55328d8a CS |
3336 | /* Cancel auto recovery */ |
3337 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
3338 | ||
6a154c88 | 3339 | list_delete(&mac->neigh_list); |
b6938a74 | 3340 | |
d62a17ae | 3341 | /* Free the VNI hash entry and allocated memory. */ |
3342 | tmp_mac = hash_release(zvni->mac_table, mac); | |
0a22ddfb | 3343 | XFREE(MTYPE_MAC, tmp_mac); |
2232a77c | 3344 | |
d62a17ae | 3345 | return 0; |
2232a77c | 3346 | } |
3347 | ||
3348 | /* | |
3349 | * Free MAC hash entry (callback) | |
3350 | */ | |
e3b78da8 | 3351 | static void zvni_mac_del_hash_entry(struct hash_bucket *bucket, void *arg) |
2232a77c | 3352 | { |
d62a17ae | 3353 | struct mac_walk_ctx *wctx = arg; |
e3b78da8 | 3354 | zebra_mac_t *mac = bucket->data; |
2232a77c | 3355 | |
d62a17ae | 3356 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
3357 | || ((wctx->flags & DEL_REMOTE_MAC) | |
3358 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
3359 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
3360 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
3361 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
3362 | &wctx->r_vtep_ip))) { | |
3363 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 | 3364 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
e98e4b88 | 3365 | &mac->macaddr); |
d62a17ae | 3366 | } |
2232a77c | 3367 | |
d62a17ae | 3368 | if (wctx->uninstall) |
d63c1b18 | 3369 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 3370 | |
b1599bb6 | 3371 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 3372 | } |
2232a77c | 3373 | |
b1599bb6 | 3374 | return; |
2232a77c | 3375 | } |
3376 | ||
3377 | /* | |
3378 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
3379 | */ | |
d62a17ae | 3380 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
3381 | struct in_addr *r_vtep_ip) | |
2232a77c | 3382 | { |
d62a17ae | 3383 | struct mac_walk_ctx wctx; |
2232a77c | 3384 | |
d62a17ae | 3385 | if (!zvni->mac_table) |
3386 | return; | |
2232a77c | 3387 | |
d62a17ae | 3388 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3389 | wctx.zvni = zvni; | |
3390 | wctx.uninstall = uninstall; | |
3391 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
3392 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 3393 | |
b1599bb6 | 3394 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3395 | } |
3396 | ||
3397 | /* | |
3398 | * Delete all MAC entries for this VNI. | |
3399 | */ | |
996c9314 | 3400 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 3401 | uint32_t flags) |
2232a77c | 3402 | { |
d62a17ae | 3403 | struct mac_walk_ctx wctx; |
2232a77c | 3404 | |
d62a17ae | 3405 | if (!zvni->mac_table) |
3406 | return; | |
2232a77c | 3407 | |
d62a17ae | 3408 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3409 | wctx.zvni = zvni; | |
d62a17ae | 3410 | wctx.uninstall = uninstall; |
3411 | wctx.upd_client = upd_client; | |
3412 | wctx.flags = flags; | |
2232a77c | 3413 | |
b1599bb6 | 3414 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3415 | } |
3416 | ||
3417 | /* | |
3418 | * Look up MAC hash entry. | |
3419 | */ | |
d62a17ae | 3420 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 3421 | { |
d62a17ae | 3422 | zebra_mac_t tmp; |
3423 | zebra_mac_t *pmac; | |
2232a77c | 3424 | |
d62a17ae | 3425 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 3426 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 3427 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 3428 | |
d62a17ae | 3429 | return pmac; |
2232a77c | 3430 | } |
3431 | ||
3432 | /* | |
3433 | * Inform BGP about local MAC addition. | |
3434 | */ | |
996c9314 | 3435 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 3436 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 3437 | { |
d7c0a89a | 3438 | uint8_t flags = 0; |
ead40654 MK |
3439 | |
3440 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
3441 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
3442 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
3443 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
3444 | ||
2853fed6 | 3445 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
2c476b72 | 3446 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 3447 | } |
3448 | ||
3449 | /* | |
3450 | * Inform BGP about local MAC deletion. | |
3451 | */ | |
e98e4b88 | 3452 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr) |
2232a77c | 3453 | { |
e98e4b88 | 3454 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, 0 /* flags */, |
2c476b72 | 3455 | 0 /* seq */, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_DEL); |
2232a77c | 3456 | } |
3457 | ||
3458 | /* | |
3459 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 3460 | * notifications, to see if they are of interest. |
2232a77c | 3461 | */ |
d62a17ae | 3462 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
3463 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 3464 | { |
2853fed6 | 3465 | struct zebra_ns *zns; |
3466 | struct route_node *rn; | |
3467 | struct interface *tmp_if = NULL; | |
d62a17ae | 3468 | struct zebra_if *zif; |
3469 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3470 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3471 | uint8_t bridge_vlan_aware; |
d62a17ae | 3472 | zebra_vni_t *zvni; |
2853fed6 | 3473 | int found = 0; |
2232a77c | 3474 | |
d62a17ae | 3475 | /* Determine if bridge is VLAN-aware or not */ |
3476 | zif = br_if->info; | |
3477 | assert(zif); | |
3478 | br = &zif->l2info.br; | |
3479 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 3480 | |
d62a17ae | 3481 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
3482 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3483 | zns = zebra_ns_lookup(NS_DEFAULT); |
3484 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3485 | tmp_if = (struct interface *)rn->info; | |
3486 | if (!tmp_if) | |
3487 | continue; | |
d62a17ae | 3488 | zif = tmp_if->info; |
3489 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3490 | continue; | |
3491 | if (!if_is_operative(tmp_if)) | |
3492 | continue; | |
3493 | vxl = &zif->l2info.vxl; | |
2232a77c | 3494 | |
d62a17ae | 3495 | if (zif->brslave_info.br_if != br_if) |
3496 | continue; | |
2232a77c | 3497 | |
2853fed6 | 3498 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3499 | found = 1; | |
d62a17ae | 3500 | break; |
2853fed6 | 3501 | } |
d62a17ae | 3502 | } |
2232a77c | 3503 | |
2853fed6 | 3504 | if (!found) |
d62a17ae | 3505 | return NULL; |
2232a77c | 3506 | |
2853fed6 | 3507 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3508 | return zvni; |
2232a77c | 3509 | } |
3510 | ||
3511 | /* | |
3512 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3513 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 3514 | */ |
b7cfce93 MK |
3515 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
3516 | struct interface *br_if) | |
d62a17ae | 3517 | { |
2853fed6 | 3518 | struct zebra_ns *zns; |
3519 | struct route_node *rn; | |
3520 | struct interface *tmp_if = NULL; | |
d62a17ae | 3521 | struct zebra_if *zif; |
3522 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3523 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3524 | uint8_t bridge_vlan_aware; |
d62a17ae | 3525 | vlanid_t vid = 0; |
3526 | zebra_vni_t *zvni; | |
2853fed6 | 3527 | int found = 0; |
d62a17ae | 3528 | |
71349e03 MK |
3529 | if (!br_if) |
3530 | return NULL; | |
3531 | ||
d62a17ae | 3532 | /* Make sure the linked interface is a bridge. */ |
3533 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3534 | return NULL; | |
3535 | ||
d62a17ae | 3536 | /* Determine if bridge is VLAN-aware or not */ |
3537 | zif = br_if->info; | |
3538 | assert(zif); | |
3539 | br = &zif->l2info.br; | |
3540 | bridge_vlan_aware = br->vlan_aware; | |
3541 | if (bridge_vlan_aware) { | |
3542 | struct zebra_l2info_vlan *vl; | |
3543 | ||
3544 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3545 | return NULL; | |
3546 | ||
3547 | zif = ifp->info; | |
3548 | assert(zif); | |
3549 | vl = &zif->l2info.vl; | |
3550 | vid = vl->vid; | |
3551 | } | |
3552 | ||
3553 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3554 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3555 | zns = zebra_ns_lookup(NS_DEFAULT); |
3556 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3557 | tmp_if = (struct interface *)rn->info; | |
3558 | if (!tmp_if) | |
3559 | continue; | |
d62a17ae | 3560 | zif = tmp_if->info; |
3561 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3562 | continue; | |
3563 | if (!if_is_operative(tmp_if)) | |
3564 | continue; | |
3565 | vxl = &zif->l2info.vxl; | |
3566 | ||
3567 | if (zif->brslave_info.br_if != br_if) | |
3568 | continue; | |
3569 | ||
2853fed6 | 3570 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3571 | found = 1; | |
d62a17ae | 3572 | break; |
2853fed6 | 3573 | } |
d62a17ae | 3574 | } |
3575 | ||
2853fed6 | 3576 | if (!found) |
d62a17ae | 3577 | return NULL; |
3578 | ||
2853fed6 | 3579 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3580 | return zvni; |
2232a77c | 3581 | } |
3582 | ||
3583 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
3584 | * of two cases: | |
3585 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
3586 | * linked to the bridge | |
3587 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
3588 | * itself | |
3589 | */ | |
2853fed6 | 3590 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 3591 | { |
2853fed6 | 3592 | struct zebra_ns *zns; |
3593 | struct route_node *rn; | |
3594 | struct interface *tmp_if = NULL; | |
d62a17ae | 3595 | struct zebra_if *zif; |
3596 | struct zebra_l2info_bridge *br; | |
3597 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 3598 | uint8_t bridge_vlan_aware; |
2853fed6 | 3599 | int found = 0; |
d62a17ae | 3600 | |
b5ebdc9b | 3601 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
3602 | if (!br_if) | |
3603 | return NULL; | |
3604 | ||
d62a17ae | 3605 | /* Determine if bridge is VLAN-aware or not */ |
3606 | zif = br_if->info; | |
3607 | assert(zif); | |
3608 | br = &zif->l2info.br; | |
3609 | bridge_vlan_aware = br->vlan_aware; | |
3610 | ||
3611 | /* Check oper status of the SVI. */ | |
3612 | if (!bridge_vlan_aware) | |
3613 | return if_is_operative(br_if) ? br_if : NULL; | |
3614 | ||
3615 | /* Identify corresponding VLAN interface. */ | |
3616 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3617 | zns = zebra_ns_lookup(NS_DEFAULT); |
3618 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3619 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 3620 | /* Check oper status of the SVI. */ |
2853fed6 | 3621 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 3622 | continue; |
3623 | zif = tmp_if->info; | |
3624 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
3625 | || zif->link != br_if) | |
3626 | continue; | |
3627 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
3628 | ||
2853fed6 | 3629 | if (vl->vid == vid) { |
3630 | found = 1; | |
d62a17ae | 3631 | break; |
2853fed6 | 3632 | } |
d62a17ae | 3633 | } |
3634 | ||
2853fed6 | 3635 | return found ? tmp_if : NULL; |
2232a77c | 3636 | } |
3637 | ||
3638 | /* | |
3639 | * Install remote MAC into the kernel. | |
3640 | */ | |
d62a17ae | 3641 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3642 | { |
d62a17ae | 3643 | struct zebra_if *zif; |
3644 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 3645 | bool sticky; |
2232a77c | 3646 | |
d62a17ae | 3647 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
3648 | return 0; | |
2232a77c | 3649 | |
d62a17ae | 3650 | zif = zvni->vxlan_if->info; |
3651 | if (!zif) | |
3652 | return -1; | |
3653 | vxl = &zif->l2info.vxl; | |
2232a77c | 3654 | |
a37f4598 | 3655 | sticky = !!CHECK_FLAG(mac->flags, |
3656 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 3657 | |
d62a17ae | 3658 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
3659 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 3660 | } |
3661 | ||
3662 | /* | |
d63c1b18 | 3663 | * Uninstall remote MAC from the kernel. |
2232a77c | 3664 | */ |
d63c1b18 | 3665 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3666 | { |
d62a17ae | 3667 | struct zebra_if *zif; |
3668 | struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 3669 | struct in_addr vtep_ip; |
d62a17ae | 3670 | struct interface *ifp; |
2232a77c | 3671 | |
d63c1b18 | 3672 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 3673 | return 0; |
2232a77c | 3674 | |
d62a17ae | 3675 | if (!zvni->vxlan_if) { |
9df414fe QY |
3676 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3677 | zvni->vni, zvni); | |
d62a17ae | 3678 | return -1; |
3679 | } | |
2232a77c | 3680 | |
d62a17ae | 3681 | zif = zvni->vxlan_if->info; |
3682 | if (!zif) | |
3683 | return -1; | |
3684 | vxl = &zif->l2info.vxl; | |
2232a77c | 3685 | |
d63c1b18 | 3686 | ifp = zvni->vxlan_if; |
3687 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 3688 | |
d63c1b18 | 3689 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 3690 | } |
3691 | ||
3692 | /* | |
3693 | * Install MAC hash entry - called upon access VLAN change. | |
3694 | */ | |
e3b78da8 | 3695 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt) |
2232a77c | 3696 | { |
d62a17ae | 3697 | zebra_mac_t *mac; |
3698 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 3699 | |
e3b78da8 | 3700 | mac = (zebra_mac_t *)bucket->data; |
2232a77c | 3701 | |
d62a17ae | 3702 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
3703 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 3704 | } |
3705 | ||
fe697c6b | 3706 | /* |
3707 | * Count of remote neighbors referencing this MAC. | |
3708 | */ | |
3709 | static int remote_neigh_count(zebra_mac_t *zmac) | |
3710 | { | |
3711 | zebra_neigh_t *n = NULL; | |
3712 | struct listnode *node = NULL; | |
3713 | int count = 0; | |
3714 | ||
3715 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
3716 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
3717 | count++; | |
3718 | } | |
3719 | ||
3720 | return count; | |
3721 | } | |
3722 | ||
2232a77c | 3723 | /* |
3724 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
3725 | * appropriate. | |
3726 | */ | |
fe697c6b | 3727 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3728 | { |
fe697c6b | 3729 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 3730 | return; |
2232a77c | 3731 | |
fe697c6b | 3732 | /* If all remote neighbors referencing a remote MAC go away, |
3733 | * we need to uninstall the MAC. | |
3734 | */ | |
3735 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
3736 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 3737 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 3738 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
3739 | } | |
2232a77c | 3740 | |
fe697c6b | 3741 | /* If no neighbors, delete the MAC. */ |
3742 | if (list_isempty(mac->neigh_list)) | |
3743 | zvni_mac_del(zvni, mac); | |
2232a77c | 3744 | } |
3745 | ||
3746 | /* | |
3747 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
3748 | */ | |
996c9314 | 3749 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 3750 | { |
2853fed6 | 3751 | struct zebra_ns *zns; |
d62a17ae | 3752 | struct zebra_if *zif; |
3753 | struct interface *vlan_if; | |
3754 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 3755 | struct interface *vrr_if; |
2232a77c | 3756 | |
d62a17ae | 3757 | zif = ifp->info; |
3758 | vxl = &zif->l2info.vxl; | |
2853fed6 | 3759 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 3760 | |
d62a17ae | 3761 | if (IS_ZEBRA_DEBUG_VXLAN) |
3762 | zlog_debug( | |
2853fed6 | 3763 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
3764 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 3765 | zif->brslave_info.bridge_ifindex); |
2232a77c | 3766 | |
2853fed6 | 3767 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
3768 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
3769 | if (vlan_if) { |
3770 | ||
ead40654 MK |
3771 | /* Add SVI MAC-IP */ |
3772 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 3773 | |
ead40654 MK |
3774 | /* Add VRR MAC-IP - if any*/ |
3775 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
3776 | if (vrr_if) | |
3777 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 3778 | |
2853fed6 | 3779 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 3780 | } |
2232a77c | 3781 | } |
3782 | ||
3783 | /* | |
3784 | * Hash function for VNI. | |
3785 | */ | |
d62a17ae | 3786 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 3787 | { |
d62a17ae | 3788 | const zebra_vni_t *zvni = p; |
2232a77c | 3789 | |
d62a17ae | 3790 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 3791 | } |
3792 | ||
3793 | /* | |
3794 | * Compare 2 VNI hash entries. | |
3795 | */ | |
74df8d6d | 3796 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 3797 | { |
d62a17ae | 3798 | const zebra_vni_t *zvni1 = p1; |
3799 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 3800 | |
d62a17ae | 3801 | return (zvni1->vni == zvni2->vni); |
2232a77c | 3802 | } |
3803 | ||
27fa3398 DS |
3804 | static int vni_list_cmp(void *p1, void *p2) |
3805 | { | |
3806 | const zebra_vni_t *zvni1 = p1; | |
3807 | const zebra_vni_t *zvni2 = p2; | |
3808 | ||
3809 | if (zvni1->vni == zvni2->vni) | |
3810 | return 0; | |
3811 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
3812 | } | |
3813 | ||
2232a77c | 3814 | /* |
3815 | * Callback to allocate VNI hash entry. | |
3816 | */ | |
d62a17ae | 3817 | static void *zvni_alloc(void *p) |
2232a77c | 3818 | { |
d62a17ae | 3819 | const zebra_vni_t *tmp_vni = p; |
3820 | zebra_vni_t *zvni; | |
2232a77c | 3821 | |
d62a17ae | 3822 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
3823 | zvni->vni = tmp_vni->vni; | |
3824 | return ((void *)zvni); | |
2232a77c | 3825 | } |
3826 | ||
3827 | /* | |
3828 | * Look up VNI hash entry. | |
3829 | */ | |
2853fed6 | 3830 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 3831 | { |
2853fed6 | 3832 | struct zebra_vrf *zvrf; |
d62a17ae | 3833 | zebra_vni_t tmp_vni; |
3834 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3835 | |
530db8dc | 3836 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3837 | assert(zvrf); |
d62a17ae | 3838 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
3839 | tmp_vni.vni = vni; | |
3840 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 3841 | |
d62a17ae | 3842 | return zvni; |
2232a77c | 3843 | } |
3844 | ||
3845 | /* | |
3846 | * Add VNI hash entry. | |
3847 | */ | |
2853fed6 | 3848 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 3849 | { |
2853fed6 | 3850 | struct zebra_vrf *zvrf; |
d62a17ae | 3851 | zebra_vni_t tmp_zvni; |
3852 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3853 | |
530db8dc | 3854 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3855 | assert(zvrf); |
d62a17ae | 3856 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
3857 | tmp_zvni.vni = vni; | |
3858 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
3859 | assert(zvni); | |
2232a77c | 3860 | |
d62a17ae | 3861 | /* Create hash table for MAC */ |
3862 | zvni->mac_table = | |
3863 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 3864 | |
d62a17ae | 3865 | /* Create hash table for neighbors */ |
3866 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
3867 | "Zebra VNI Neighbor Table"); | |
2232a77c | 3868 | |
d62a17ae | 3869 | return zvni; |
2232a77c | 3870 | } |
3871 | ||
3872 | /* | |
3873 | * Delete VNI hash entry. | |
3874 | */ | |
2853fed6 | 3875 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 3876 | { |
2853fed6 | 3877 | struct zebra_vrf *zvrf; |
d62a17ae | 3878 | zebra_vni_t *tmp_zvni; |
2232a77c | 3879 | |
530db8dc | 3880 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3881 | assert(zvrf); |
3882 | ||
d62a17ae | 3883 | zvni->vxlan_if = NULL; |
2232a77c | 3884 | |
d62a17ae | 3885 | /* Free the neighbor hash table. */ |
3886 | hash_free(zvni->neigh_table); | |
3887 | zvni->neigh_table = NULL; | |
2232a77c | 3888 | |
d62a17ae | 3889 | /* Free the MAC hash table. */ |
3890 | hash_free(zvni->mac_table); | |
3891 | zvni->mac_table = NULL; | |
2232a77c | 3892 | |
d62a17ae | 3893 | /* Free the VNI hash entry and allocated memory. */ |
3894 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
0a22ddfb | 3895 | XFREE(MTYPE_ZVNI, tmp_zvni); |
2232a77c | 3896 | |
d62a17ae | 3897 | return 0; |
2232a77c | 3898 | } |
3899 | ||
3900 | /* | |
3901 | * Inform BGP about local VNI addition. | |
3902 | */ | |
2853fed6 | 3903 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 3904 | { |
d62a17ae | 3905 | struct zserv *client; |
3906 | struct stream *s; | |
2232a77c | 3907 | |
21ccc0cf | 3908 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3909 | /* BGP may not be running. */ |
3910 | if (!client) | |
3911 | return 0; | |
2232a77c | 3912 | |
1002497a | 3913 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 3914 | |
43779a11 | 3915 | zclient_create_header(s, ZEBRA_VNI_ADD, zebra_vrf_get_evpn_id()); |
d62a17ae | 3916 | stream_putl(s, zvni->vni); |
3917 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 3918 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 3919 | |
d62a17ae | 3920 | /* Write packet size. */ |
3921 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3922 | |
d62a17ae | 3923 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3924 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
3925 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 3926 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 3927 | zebra_route_string(client->proto)); |
2232a77c | 3928 | |
d62a17ae | 3929 | client->vniadd_cnt++; |
21ccc0cf | 3930 | return zserv_send_message(client, s); |
2232a77c | 3931 | } |
3932 | ||
3933 | /* | |
3934 | * Inform BGP about local VNI deletion. | |
3935 | */ | |
2853fed6 | 3936 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 3937 | { |
d62a17ae | 3938 | struct zserv *client; |
3939 | struct stream *s; | |
2232a77c | 3940 | |
21ccc0cf | 3941 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3942 | /* BGP may not be running. */ |
3943 | if (!client) | |
3944 | return 0; | |
2232a77c | 3945 | |
1002497a | 3946 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 3947 | stream_reset(s); |
2232a77c | 3948 | |
43779a11 | 3949 | zclient_create_header(s, ZEBRA_VNI_DEL, zebra_vrf_get_evpn_id()); |
d62a17ae | 3950 | stream_putl(s, vni); |
2232a77c | 3951 | |
d62a17ae | 3952 | /* Write packet size. */ |
3953 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3954 | |
d62a17ae | 3955 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 3956 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 3957 | zebra_route_string(client->proto)); |
2232a77c | 3958 | |
d62a17ae | 3959 | client->vnidel_cnt++; |
21ccc0cf | 3960 | return zserv_send_message(client, s); |
2232a77c | 3961 | } |
3962 | ||
3963 | /* | |
3964 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
3965 | * is called when EVPN (advertise-all-vni) is enabled. | |
3966 | */ | |
4d762f26 | 3967 | static void zvni_build_hash_table(void) |
2232a77c | 3968 | { |
2853fed6 | 3969 | struct zebra_ns *zns; |
3970 | struct route_node *rn; | |
d62a17ae | 3971 | struct interface *ifp; |
2232a77c | 3972 | |
d62a17ae | 3973 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 3974 | zns = zebra_ns_lookup(NS_DEFAULT); |
3975 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 3976 | vni_t vni; |
643215ce | 3977 | zebra_vni_t *zvni = NULL; |
3978 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 3979 | struct zebra_if *zif; |
3980 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 3981 | |
2853fed6 | 3982 | ifp = (struct interface *)rn->info; |
3983 | if (!ifp) | |
3984 | continue; | |
d62a17ae | 3985 | zif = ifp->info; |
3986 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3987 | continue; | |
2232a77c | 3988 | |
b7cfce93 | 3989 | vxl = &zif->l2info.vxl; |
d62a17ae | 3990 | vni = vxl->vni; |
2232a77c | 3991 | |
643215ce | 3992 | /* L3-VNI and L2-VNI are handled seperately */ |
3993 | zl3vni = zl3vni_lookup(vni); | |
3994 | if (zl3vni) { | |
2232a77c | 3995 | |
b7cfce93 | 3996 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3997 | zlog_debug( |
3998 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
3999 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 4000 | |
b7cfce93 | 4001 | /* associate with vxlan_if */ |
b67a60d2 | 4002 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 4003 | zl3vni->vxlan_if = ifp; |
2232a77c | 4004 | |
523cafc4 | 4005 | /* |
4006 | * we need to associate with SVI. | |
b7cfce93 | 4007 | * we can associate with svi-if only after association |
523cafc4 | 4008 | * with vxlan-intf is complete |
4009 | */ | |
b7cfce93 MK |
4010 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
4011 | ||
4012 | if (is_l3vni_oper_up(zl3vni)) | |
4013 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4014 | ||
4015 | } else { | |
b7cfce93 MK |
4016 | struct interface *vlan_if = NULL; |
4017 | ||
4018 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4019 | zlog_debug( | |
4020 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
4021 | ifp->name, ifp->ifindex, vni, | |
4022 | inet_ntoa(vxl->vtep_ip)); | |
4023 | ||
4024 | /* VNI hash entry is not expected to exist. */ | |
4025 | zvni = zvni_lookup(vni); | |
4026 | if (zvni) { | |
9df414fe | 4027 | zlog_debug( |
b7cfce93 MK |
4028 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
4029 | ifp->name, ifp->ifindex, vni); | |
4030 | continue; | |
4031 | } | |
4032 | ||
4033 | zvni = zvni_add(vni); | |
4034 | if (!zvni) { | |
9df414fe | 4035 | zlog_debug( |
b7cfce93 MK |
4036 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
4037 | ifp->name, ifp->ifindex, vni); | |
4038 | return; | |
4039 | } | |
4040 | ||
4041 | zvni->local_vtep_ip = vxl->vtep_ip; | |
4042 | zvni->vxlan_if = ifp; | |
4043 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
4044 | zif->brslave_info.br_if); | |
4045 | if (vlan_if) { | |
4046 | zvni->vrf_id = vlan_if->vrf_id; | |
4047 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
4048 | if (zl3vni) | |
4049 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
4050 | } | |
4051 | ||
4052 | ||
4053 | /* Inform BGP if intf is up and mapped to bridge. */ | |
4054 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
4055 | zvni_send_add_to_client(zvni); | |
4056 | } | |
d62a17ae | 4057 | } |
2232a77c | 4058 | } |
4059 | ||
4060 | /* | |
4061 | * See if remote VTEP matches with prefix. | |
4062 | */ | |
d62a17ae | 4063 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 4064 | { |
d62a17ae | 4065 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 4066 | } |
4067 | ||
4068 | /* | |
4069 | * Locate remote VTEP in VNI hash table. | |
4070 | */ | |
d62a17ae | 4071 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4072 | { |
d62a17ae | 4073 | zebra_vtep_t *zvtep; |
2232a77c | 4074 | |
d62a17ae | 4075 | if (!zvni) |
4076 | return NULL; | |
2232a77c | 4077 | |
d62a17ae | 4078 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
4079 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
4080 | break; | |
4081 | } | |
2232a77c | 4082 | |
d62a17ae | 4083 | return zvtep; |
2232a77c | 4084 | } |
4085 | ||
4086 | /* | |
4087 | * Add remote VTEP to VNI hash table. | |
4088 | */ | |
d62a17ae | 4089 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4090 | { |
d62a17ae | 4091 | zebra_vtep_t *zvtep; |
2232a77c | 4092 | |
d62a17ae | 4093 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 4094 | |
d62a17ae | 4095 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 4096 | |
d62a17ae | 4097 | if (zvni->vteps) |
4098 | zvni->vteps->prev = zvtep; | |
4099 | zvtep->next = zvni->vteps; | |
4100 | zvni->vteps = zvtep; | |
2232a77c | 4101 | |
d62a17ae | 4102 | return zvtep; |
2232a77c | 4103 | } |
4104 | ||
4105 | /* | |
4106 | * Remove remote VTEP from VNI hash table. | |
4107 | */ | |
d62a17ae | 4108 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 4109 | { |
d62a17ae | 4110 | if (zvtep->next) |
4111 | zvtep->next->prev = zvtep->prev; | |
4112 | if (zvtep->prev) | |
4113 | zvtep->prev->next = zvtep->next; | |
4114 | else | |
4115 | zvni->vteps = zvtep->next; | |
2232a77c | 4116 | |
d62a17ae | 4117 | zvtep->prev = zvtep->next = NULL; |
4118 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 4119 | |
d62a17ae | 4120 | return 0; |
2232a77c | 4121 | } |
4122 | ||
4123 | /* | |
4124 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
4125 | * uninstall from kernel if asked to. | |
4126 | */ | |
d62a17ae | 4127 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 4128 | { |
d62a17ae | 4129 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 4130 | |
d62a17ae | 4131 | if (!zvni) |
4132 | return -1; | |
2232a77c | 4133 | |
d62a17ae | 4134 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
4135 | zvtep_next = zvtep->next; | |
4136 | if (uninstall) | |
4137 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4138 | zvni_vtep_del(zvni, zvtep); | |
4139 | } | |
2232a77c | 4140 | |
d62a17ae | 4141 | return 0; |
2232a77c | 4142 | } |
4143 | ||
4144 | /* | |
4145 | * Install remote VTEP into the kernel. | |
4146 | */ | |
d62a17ae | 4147 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4148 | { |
fbac9605 DS |
4149 | if (is_vxlan_flooding_head_end()) |
4150 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); | |
4151 | return 0; | |
2232a77c | 4152 | } |
4153 | ||
4154 | /* | |
4155 | * Uninstall remote VTEP from the kernel. | |
4156 | */ | |
d62a17ae | 4157 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4158 | { |
d62a17ae | 4159 | if (!zvni->vxlan_if) { |
9df414fe QY |
4160 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
4161 | zvni->vni, zvni); | |
d62a17ae | 4162 | return -1; |
4163 | } | |
2232a77c | 4164 | |
d62a17ae | 4165 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 4166 | } |
4167 | ||
fbac9605 DS |
4168 | /* |
4169 | * Install or uninstall flood entries in the kernel corresponding to | |
4170 | * remote VTEPs. This is invoked upon change to BUM handling. | |
4171 | */ | |
e3b78da8 | 4172 | static void zvni_handle_flooding_remote_vteps(struct hash_bucket *bucket, |
fbac9605 DS |
4173 | void *zvrf) |
4174 | { | |
4175 | zebra_vni_t *zvni; | |
4176 | zebra_vtep_t *zvtep; | |
4177 | ||
e3b78da8 | 4178 | zvni = (zebra_vni_t *)bucket->data; |
fbac9605 DS |
4179 | if (!zvni) |
4180 | return; | |
4181 | ||
4182 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
4183 | if (is_vxlan_flooding_head_end()) | |
4184 | zvni_vtep_install(zvni, &zvtep->vtep_ip); | |
4185 | else | |
4186 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4187 | } | |
4188 | } | |
4189 | ||
2232a77c | 4190 | /* |
4191 | * Cleanup VNI/VTEP and update kernel | |
4192 | */ | |
e3b78da8 | 4193 | static void zvni_cleanup_all(struct hash_bucket *bucket, void *arg) |
2232a77c | 4194 | { |
b7cfce93 MK |
4195 | zebra_vni_t *zvni = NULL; |
4196 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 4197 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 4198 | |
e3b78da8 | 4199 | zvni = (zebra_vni_t *)bucket->data; |
2232a77c | 4200 | |
b7cfce93 | 4201 | /* remove from l3-vni list */ |
84915b0a | 4202 | if (zvrf->l3vni) |
4203 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
4204 | if (zl3vni) |
4205 | listnode_delete(zl3vni->l2vnis, zvni); | |
4206 | ||
d62a17ae | 4207 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 4208 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
4209 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 4210 | |
d62a17ae | 4211 | /* Free up all remote VTEPs, if any. */ |
4212 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 4213 | |
d62a17ae | 4214 | /* Delete the hash entry. */ |
2853fed6 | 4215 | zvni_del(zvni); |
2232a77c | 4216 | } |
4217 | ||
655b04d1 | 4218 | /* cleanup L3VNI */ |
e3b78da8 | 4219 | static void zl3vni_cleanup_all(struct hash_bucket *bucket, void *args) |
655b04d1 MK |
4220 | { |
4221 | zebra_l3vni_t *zl3vni = NULL; | |
4222 | ||
e3b78da8 | 4223 | zl3vni = (zebra_l3vni_t *)bucket->data; |
655b04d1 MK |
4224 | |
4225 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4226 | } | |
4227 | ||
85442b09 | 4228 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 4229 | struct prefix *host) |
5e1b0650 DS |
4230 | { |
4231 | struct host_rb_entry lookup; | |
4232 | struct host_rb_entry *hle; | |
4233 | ||
4234 | memset(&lookup, 0, sizeof(lookup)); | |
4235 | memcpy(&lookup.p, host, sizeof(*host)); | |
4236 | ||
85442b09 | 4237 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
4238 | if (hle) |
4239 | return; | |
4240 | ||
4241 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
4242 | memcpy(hle, &lookup, sizeof(lookup)); | |
4243 | ||
85442b09 | 4244 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
4245 | } |
4246 | ||
85442b09 | 4247 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
4248 | { |
4249 | struct host_rb_entry lookup; | |
4250 | struct host_rb_entry *hle; | |
4251 | ||
4252 | memset(&lookup, 0, sizeof(lookup)); | |
4253 | memcpy(&lookup.p, host, sizeof(*host)); | |
4254 | ||
85442b09 | 4255 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 4256 | if (hle) { |
85442b09 | 4257 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
4258 | XFREE(MTYPE_HOST_PREFIX, hle); |
4259 | } | |
5e1b0650 DS |
4260 | |
4261 | return; | |
4262 | } | |
4263 | ||
b7cfce93 MK |
4264 | /* |
4265 | * Look up MAC hash entry. | |
4266 | */ | |
2dbad57f | 4267 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
4268 | struct ethaddr *rmac) |
4269 | { | |
4270 | zebra_mac_t tmp; | |
4271 | zebra_mac_t *pmac; | |
4272 | ||
4273 | memset(&tmp, 0, sizeof(tmp)); | |
4274 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
4275 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 4276 | |
b7cfce93 | 4277 | return pmac; |
2dbad57f | 4278 | } |
2232a77c | 4279 | |
cec2e17d | 4280 | /* |
b7cfce93 | 4281 | * Callback to allocate RMAC hash entry. |
cec2e17d | 4282 | */ |
2dbad57f | 4283 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 4284 | { |
b7cfce93 MK |
4285 | const zebra_mac_t *tmp_rmac = p; |
4286 | zebra_mac_t *zrmac; | |
d62a17ae | 4287 | |
b7cfce93 MK |
4288 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
4289 | *zrmac = *tmp_rmac; | |
d62a17ae | 4290 | |
b7cfce93 | 4291 | return ((void *)zrmac); |
2dbad57f | 4292 | } |
cd233079 | 4293 | |
b7cfce93 MK |
4294 | /* |
4295 | * Add RMAC entry to l3-vni | |
4296 | */ | |
996c9314 | 4297 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
4298 | { |
4299 | zebra_mac_t tmp_rmac; | |
4300 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 4301 | |
b7cfce93 MK |
4302 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
4303 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
4304 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
4305 | assert(zrmac); | |
d62a17ae | 4306 | |
85442b09 | 4307 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 4308 | |
2dbad57f | 4309 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
4310 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
4311 | ||
b7cfce93 | 4312 | return zrmac; |
2dbad57f | 4313 | } |
cec2e17d | 4314 | |
4315 | /* | |
b7cfce93 | 4316 | * Delete MAC entry. |
cec2e17d | 4317 | */ |
996c9314 | 4318 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4319 | { |
b7cfce93 | 4320 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 4321 | struct host_rb_entry *hle; |
cd233079 | 4322 | |
85442b09 DS |
4323 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
4324 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 4325 | |
85442b09 | 4326 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
4327 | XFREE(MTYPE_HOST_PREFIX, hle); |
4328 | } | |
cd233079 | 4329 | |
b7cfce93 | 4330 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
0a22ddfb | 4331 | XFREE(MTYPE_MAC, tmp_rmac); |
cd233079 | 4332 | |
b7cfce93 | 4333 | return 0; |
2dbad57f | 4334 | } |
cec2e17d | 4335 | |
4336 | /* | |
b7cfce93 | 4337 | * Install remote RMAC into the kernel. |
cec2e17d | 4338 | */ |
996c9314 | 4339 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4340 | { |
b7cfce93 MK |
4341 | struct zebra_if *zif = NULL; |
4342 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 4343 | |
996c9314 LB |
4344 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4345 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4346 | return 0; |
4347 | ||
4348 | zif = zl3vni->vxlan_if->info; | |
4349 | if (!zif) | |
4350 | return -1; | |
4351 | ||
4352 | vxl = &zif->l2info.vxl; | |
4353 | ||
4354 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 4355 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 4356 | } |
b7cfce93 MK |
4357 | |
4358 | /* | |
4359 | * Uninstall remote RMAC from the kernel. | |
4360 | */ | |
996c9314 | 4361 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
4362 | { |
4363 | char buf[ETHER_ADDR_STRLEN]; | |
4364 | struct zebra_if *zif = NULL; | |
4365 | struct zebra_l2info_vxlan *vxl = NULL; | |
4366 | ||
996c9314 LB |
4367 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4368 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4369 | return 0; |
4370 | ||
4371 | if (!zl3vni->vxlan_if) { | |
9df414fe | 4372 | zlog_debug( |
996c9314 LB |
4373 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
4374 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
4375 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
4376 | return -1; |
4377 | } | |
4378 | ||
4379 | zif = zl3vni->vxlan_if->info; | |
4380 | if (!zif) | |
4381 | return -1; | |
4382 | ||
4383 | vxl = &zif->l2info.vxl; | |
4384 | ||
4385 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 4386 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 4387 | } |
4388 | ||
4389 | /* handle rmac add */ | |
996c9314 | 4390 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 4391 | struct ipaddr *vtep_ip, |
4392 | struct prefix *host_prefix) | |
2dbad57f | 4393 | { |
4394 | char buf[ETHER_ADDR_STRLEN]; | |
4395 | char buf1[INET6_ADDRSTRLEN]; | |
4396 | zebra_mac_t *zrmac = NULL; | |
4397 | ||
4398 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4399 | if (!zrmac) { | |
4400 | ||
4401 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
4402 | if (!zrmac) { | |
9df414fe | 4403 | zlog_debug( |
2dbad57f | 4404 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
4405 | prefix_mac2str(rmac, buf, sizeof(buf)), |
4406 | zl3vni->vni, | |
4407 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 4408 | return -1; |
4409 | } | |
4410 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
4411 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
4412 | ||
4413 | /* install rmac in kernel */ | |
4414 | zl3vni_rmac_install(zl3vni, zrmac); | |
4415 | } | |
6134fd82 | 4416 | |
41db76c2 | 4417 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 4418 | |
2dbad57f | 4419 | return 0; |
4420 | } | |
4421 | ||
4422 | ||
4423 | /* handle rmac delete */ | |
22e63104 | 4424 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 4425 | struct prefix *host_prefix) |
2dbad57f | 4426 | { |
41db76c2 | 4427 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 4428 | |
85442b09 | 4429 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 4430 | /* uninstall from kernel */ |
4431 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4432 | ||
4433 | /* del the rmac entry */ | |
4434 | zl3vni_rmac_del(zl3vni, zrmac); | |
4435 | } | |
2dbad57f | 4436 | } |
b7cfce93 MK |
4437 | |
4438 | /* | |
4439 | * Look up nh hash entry on a l3-vni. | |
4440 | */ | |
996c9314 | 4441 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
4442 | { |
4443 | zebra_neigh_t tmp; | |
4444 | zebra_neigh_t *n; | |
4445 | ||
4446 | memset(&tmp, 0, sizeof(tmp)); | |
4447 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
4448 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
4449 | ||
4450 | return n; | |
2dbad57f | 4451 | } |
b7cfce93 MK |
4452 | |
4453 | ||
4454 | /* | |
4455 | * Callback to allocate NH hash entry on L3-VNI. | |
4456 | */ | |
2dbad57f | 4457 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
4458 | { |
4459 | const zebra_neigh_t *tmp_n = p; | |
4460 | zebra_neigh_t *n; | |
4461 | ||
4462 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
4463 | *n = *tmp_n; | |
4464 | ||
4465 | return ((void *)n); | |
2dbad57f | 4466 | } |
b7cfce93 MK |
4467 | |
4468 | /* | |
4469 | * Add neighbor entry. | |
4470 | */ | |
996c9314 | 4471 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
4472 | struct ethaddr *mac) |
4473 | { | |
4474 | zebra_neigh_t tmp_n; | |
4475 | zebra_neigh_t *n = NULL; | |
4476 | ||
4477 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
4478 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
4479 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
4480 | assert(n); | |
4481 | ||
85442b09 | 4482 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 4483 | |
b7cfce93 | 4484 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 4485 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
4486 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
4487 | |
4488 | return n; | |
2dbad57f | 4489 | } |
b7cfce93 MK |
4490 | |
4491 | /* | |
4492 | * Delete neighbor entry. | |
4493 | */ | |
996c9314 | 4494 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
4495 | { |
4496 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 4497 | struct host_rb_entry *hle; |
b7cfce93 | 4498 | |
85442b09 DS |
4499 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
4500 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 4501 | |
85442b09 | 4502 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
4503 | XFREE(MTYPE_HOST_PREFIX, hle); |
4504 | } | |
55aabf6f | 4505 | |
b7cfce93 | 4506 | tmp_n = hash_release(zl3vni->nh_table, n); |
0a22ddfb | 4507 | XFREE(MTYPE_NEIGH, tmp_n); |
b7cfce93 MK |
4508 | |
4509 | return 0; | |
2dbad57f | 4510 | } |
b7cfce93 MK |
4511 | |
4512 | /* | |
4513 | * Install remote nh as neigh into the kernel. | |
4514 | */ | |
996c9314 | 4515 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4516 | { |
f7dae312 | 4517 | #ifdef GNU_LINUX |
68e33151 | 4518 | uint8_t flags; |
f7dae312 | 4519 | #endif |
68e33151 CS |
4520 | int ret = 0; |
4521 | ||
b7cfce93 MK |
4522 | if (!is_l3vni_oper_up(zl3vni)) |
4523 | return -1; | |
4524 | ||
996c9314 LB |
4525 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4526 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 4527 | return 0; |
68e33151 CS |
4528 | #ifdef GNU_LINUX |
4529 | flags = NTF_EXT_LEARNED; | |
4530 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
4531 | flags |= NTF_ROUTER; | |
4532 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
4533 | #endif | |
4534 | return ret; | |
2dbad57f | 4535 | } |
b7cfce93 MK |
4536 | |
4537 | /* | |
4538 | * Uninstall remote nh from the kernel. | |
4539 | */ | |
996c9314 | 4540 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4541 | { |
996c9314 LB |
4542 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4543 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
4544 | return 0; |
4545 | ||
fa409e1e | 4546 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
4547 | return 0; | |
4548 | ||
b7cfce93 | 4549 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 4550 | } |
4551 | ||
4552 | /* add remote vtep as a neigh entry */ | |
996c9314 | 4553 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 4554 | struct ethaddr *rmac, |
4555 | struct prefix *host_prefix) | |
2dbad57f | 4556 | { |
4557 | char buf[ETHER_ADDR_STRLEN]; | |
4558 | char buf1[INET6_ADDRSTRLEN]; | |
4559 | zebra_neigh_t *nh = NULL; | |
4560 | ||
4561 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4562 | if (!nh) { | |
4563 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
4564 | if (!nh) { | |
4565 | ||
9df414fe | 4566 | zlog_debug( |
2dbad57f | 4567 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
4568 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
4569 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 4570 | zl3vni->vni); |
4571 | return -1; | |
4572 | } | |
4573 | ||
4574 | /* install the nh neigh in kernel */ | |
4575 | zl3vni_nh_install(zl3vni, nh); | |
4576 | } | |
6134fd82 | 4577 | |
f2a503f0 | 4578 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 4579 | |
2dbad57f | 4580 | return 0; |
4581 | } | |
4582 | ||
4583 | /* handle nh neigh delete */ | |
22e63104 | 4584 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
4585 | struct prefix *host_prefix) | |
2dbad57f | 4586 | { |
f2a503f0 | 4587 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 4588 | |
85442b09 | 4589 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 4590 | /* uninstall from kernel */ |
4591 | zl3vni_nh_uninstall(zl3vni, nh); | |
4592 | ||
4593 | /* delete the nh entry */ | |
4594 | zl3vni_nh_del(zl3vni, nh); | |
4595 | } | |
2dbad57f | 4596 | } |
b7cfce93 | 4597 | |
3bcbba10 | 4598 | /* handle neigh update from kernel - the only thing of interest is to |
4599 | * readd stale entries. | |
4600 | */ | |
996c9314 | 4601 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 4602 | uint16_t state) |
3bcbba10 | 4603 | { |
c05a738b | 4604 | #ifdef GNU_LINUX |
3bcbba10 | 4605 | zebra_neigh_t *n = NULL; |
4606 | ||
4607 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4608 | if (!n) | |
4609 | return 0; | |
4610 | ||
4611 | /* all next hop neigh are remote and installed by frr. | |
4612 | * If the kernel has aged this entry, re-install. | |
4613 | */ | |
4614 | if (state & NUD_STALE) | |
4615 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 4616 | #endif |
3bcbba10 | 4617 | return 0; |
4618 | } | |
4619 | ||
8c9b80b9 | 4620 | /* handle neigh delete from kernel */ |
996c9314 | 4621 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
4622 | { |
4623 | zebra_neigh_t *n = NULL; | |
4624 | ||
4625 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4626 | if (!n) | |
4627 | return 0; | |
4628 | ||
4629 | /* all next hop neigh are remote and installed by frr. | |
4630 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 4631 | * install it back |
4632 | */ | |
8c9b80b9 MK |
4633 | zl3vni_nh_install(zl3vni, n); |
4634 | ||
4635 | return 0; | |
4636 | } | |
4637 | ||
b7cfce93 MK |
4638 | /* |
4639 | * Hash function for L3 VNI. | |
4640 | */ | |
4641 | static unsigned int l3vni_hash_keymake(void *p) | |
4642 | { | |
4643 | const zebra_l3vni_t *zl3vni = p; | |
4644 | ||
4645 | return jhash_1word(zl3vni->vni, 0); | |
4646 | } | |
4647 | ||
4648 | /* | |
4649 | * Compare 2 L3 VNI hash entries. | |
4650 | */ | |
74df8d6d | 4651 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
4652 | { |
4653 | const zebra_l3vni_t *zl3vni1 = p1; | |
4654 | const zebra_l3vni_t *zl3vni2 = p2; | |
4655 | ||
4656 | return (zl3vni1->vni == zl3vni2->vni); | |
4657 | } | |
4658 | ||
4659 | /* | |
4660 | * Callback to allocate L3 VNI hash entry. | |
4661 | */ | |
4662 | static void *zl3vni_alloc(void *p) | |
4663 | { | |
4664 | zebra_l3vni_t *zl3vni = NULL; | |
4665 | const zebra_l3vni_t *tmp_l3vni = p; | |
4666 | ||
4667 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
4668 | zl3vni->vni = tmp_l3vni->vni; | |
4669 | return ((void *)zl3vni); | |
4670 | } | |
4671 | ||
4672 | /* | |
4673 | * Look up L3 VNI hash entry. | |
4674 | */ | |
4675 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
4676 | { | |
b7cfce93 MK |
4677 | zebra_l3vni_t tmp_l3vni; |
4678 | zebra_l3vni_t *zl3vni = NULL; | |
4679 | ||
b7cfce93 MK |
4680 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
4681 | tmp_l3vni.vni = vni; | |
89272910 | 4682 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
4683 | |
4684 | return zl3vni; | |
4685 | } | |
4686 | ||
4687 | /* | |
4688 | * Add L3 VNI hash entry. | |
4689 | */ | |
4690 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
4691 | { | |
4692 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
4693 | zebra_l3vni_t *zl3vni = NULL; |
4694 | ||
b7cfce93 MK |
4695 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
4696 | tmp_zl3vni.vni = vni; | |
4697 | ||
89272910 | 4698 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
4699 | assert(zl3vni); |
4700 | ||
4701 | zl3vni->vrf_id = vrf_id; | |
4702 | zl3vni->svi_if = NULL; | |
4703 | zl3vni->vxlan_if = NULL; | |
4704 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 4705 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
4706 | |
4707 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
4708 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
4709 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
4710 | |
4711 | /* Create hash table for neighbors */ | |
4712 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 4713 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
4714 | |
4715 | return zl3vni; | |
4716 | } | |
4717 | ||
4718 | /* | |
4719 | * Delete L3 VNI hash entry. | |
4720 | */ | |
4721 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
4722 | { | |
b7cfce93 MK |
4723 | zebra_l3vni_t *tmp_zl3vni; |
4724 | ||
b7cfce93 | 4725 | /* free the list of l2vnis */ |
6a154c88 | 4726 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
4727 | zl3vni->l2vnis = NULL; |
4728 | ||
4729 | /* Free the rmac table */ | |
4730 | hash_free(zl3vni->rmac_table); | |
4731 | zl3vni->rmac_table = NULL; | |
4732 | ||
4733 | /* Free the nh table */ | |
4734 | hash_free(zl3vni->nh_table); | |
4735 | zl3vni->nh_table = NULL; | |
4736 | ||
4737 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 4738 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
0a22ddfb | 4739 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); |
b7cfce93 MK |
4740 | |
4741 | return 0; | |
4742 | } | |
4743 | ||
b7cfce93 MK |
4744 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
4745 | { | |
4746 | struct zebra_ns *zns = NULL; | |
4747 | struct route_node *rn = NULL; | |
4748 | struct interface *ifp = NULL; | |
4749 | ||
4750 | /* loop through all vxlan-interface */ | |
4751 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4752 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4753 | ||
4754 | struct zebra_if *zif = NULL; | |
4755 | struct zebra_l2info_vxlan *vxl = NULL; | |
4756 | ||
4757 | ifp = (struct interface *)rn->info; | |
4758 | if (!ifp) | |
4759 | continue; | |
4760 | ||
4761 | zif = ifp->info; | |
4762 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4763 | continue; | |
4764 | ||
4765 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 4766 | if (vxl->vni == zl3vni->vni) { |
4767 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 4768 | return ifp; |
b67a60d2 | 4769 | } |
b7cfce93 MK |
4770 | } |
4771 | ||
4772 | return NULL; | |
4773 | } | |
4774 | ||
4775 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
4776 | { | |
996c9314 | 4777 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
4778 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
4779 | ||
2aeb403d | 4780 | if (!zl3vni) |
4781 | return NULL; | |
4782 | ||
b7cfce93 MK |
4783 | if (!zl3vni->vxlan_if) |
4784 | return NULL; | |
4785 | ||
4786 | zif = zl3vni->vxlan_if->info; | |
4787 | if (!zif) | |
4788 | return NULL; | |
4789 | ||
4790 | vxl = &zif->l2info.vxl; | |
4791 | ||
4792 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
4793 | } | |
4794 | ||
4795 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
4796 | { | |
4797 | struct zebra_vrf *zvrf = NULL; | |
4798 | ||
4799 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
4800 | if (!zvrf) | |
4801 | return NULL; | |
4802 | ||
4803 | return zl3vni_lookup(zvrf->l3vni); | |
4804 | } | |
4805 | ||
4806 | /* | |
4807 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
4808 | * neighbor notifications, to see if they are of interest. | |
4809 | */ | |
4810 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
4811 | struct interface *br_if) | |
4812 | { | |
4813 | int found = 0; | |
4814 | vlanid_t vid = 0; | |
d7c0a89a | 4815 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
4816 | zebra_l3vni_t *zl3vni = NULL; |
4817 | struct zebra_ns *zns = NULL; | |
4818 | struct route_node *rn = NULL; | |
4819 | struct zebra_if *zif = NULL; | |
4820 | struct interface *tmp_if = NULL; | |
4821 | struct zebra_l2info_bridge *br = NULL; | |
4822 | struct zebra_l2info_vxlan *vxl = NULL; | |
4823 | ||
4824 | if (!br_if) | |
4825 | return NULL; | |
4826 | ||
4827 | /* Make sure the linked interface is a bridge. */ | |
4828 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
4829 | return NULL; | |
4830 | ||
4831 | /* Determine if bridge is VLAN-aware or not */ | |
4832 | zif = br_if->info; | |
4833 | assert(zif); | |
4834 | br = &zif->l2info.br; | |
4835 | bridge_vlan_aware = br->vlan_aware; | |
4836 | if (bridge_vlan_aware) { | |
4837 | struct zebra_l2info_vlan *vl; | |
4838 | ||
4839 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
4840 | return NULL; | |
4841 | ||
4842 | zif = ifp->info; | |
4843 | assert(zif); | |
4844 | vl = &zif->l2info.vl; | |
4845 | vid = vl->vid; | |
4846 | } | |
4847 | ||
4848 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
4849 | /* TODO: Optimize with a hash. */ | |
4850 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4851 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4852 | tmp_if = (struct interface *)rn->info; | |
4853 | if (!tmp_if) | |
4854 | continue; | |
4855 | zif = tmp_if->info; | |
4856 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4857 | continue; | |
4858 | if (!if_is_operative(tmp_if)) | |
4859 | continue; | |
4860 | vxl = &zif->l2info.vxl; | |
4861 | ||
4862 | if (zif->brslave_info.br_if != br_if) | |
4863 | continue; | |
4864 | ||
4865 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
4866 | found = 1; | |
4867 | break; | |
4868 | } | |
4869 | } | |
4870 | ||
4871 | if (!found) | |
4872 | return NULL; | |
4873 | ||
4874 | zl3vni = zl3vni_lookup(vxl->vni); | |
4875 | return zl3vni; | |
4876 | } | |
4877 | ||
4878 | /* | |
4879 | * Inform BGP about l3-vni. | |
4880 | */ | |
4881 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
4882 | { | |
4883 | struct stream *s = NULL; | |
4884 | struct zserv *client = NULL; | |
4885 | struct ethaddr rmac; | |
4886 | char buf[ETHER_ADDR_STRLEN]; | |
4887 | ||
21ccc0cf | 4888 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4889 | /* BGP may not be running. */ |
4890 | if (!client) | |
4891 | return 0; | |
4892 | ||
4893 | /* get the rmac */ | |
4894 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
4895 | zl3vni_get_rmac(zl3vni, &rmac); | |
4896 | ||
1002497a | 4897 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4898 | |
996c9314 | 4899 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4900 | stream_putl(s, zl3vni->vni); |
4901 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 4902 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 4903 | stream_put(s, &zl3vni->filter, sizeof(int)); |
0483af6e | 4904 | stream_putl(s, zl3vni->svi_if->ifindex); |
b7cfce93 MK |
4905 | |
4906 | /* Write packet size. */ | |
4907 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4908 | ||
4909 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 4910 | zlog_debug( |
996c9314 LB |
4911 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
4912 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
4913 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
4914 | inet_ntoa(zl3vni->local_vtep_ip), | |
4915 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
4916 | ? "prefix-routes-only" | |
4917 | : "none", | |
4918 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
4919 | |
4920 | client->l3vniadd_cnt++; | |
21ccc0cf | 4921 | return zserv_send_message(client, s); |
b7cfce93 MK |
4922 | } |
4923 | ||
4924 | /* | |
4925 | * Inform BGP about local l3-VNI deletion. | |
4926 | */ | |
4927 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
4928 | { | |
4929 | struct stream *s = NULL; | |
4930 | struct zserv *client = NULL; | |
4931 | ||
21ccc0cf | 4932 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4933 | /* BGP may not be running. */ |
4934 | if (!client) | |
4935 | return 0; | |
4936 | ||
1002497a | 4937 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4938 | |
996c9314 | 4939 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4940 | stream_putl(s, zl3vni->vni); |
4941 | ||
4942 | /* Write packet size. */ | |
4943 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4944 | ||
4945 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4946 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
4947 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
4948 | zebra_route_string(client->proto)); | |
4949 | ||
4950 | client->l3vnidel_cnt++; | |
21ccc0cf | 4951 | return zserv_send_message(client, s); |
b7cfce93 MK |
4952 | } |
4953 | ||
4954 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
4955 | { | |
2aeb403d | 4956 | if (!zl3vni) |
4957 | return; | |
4958 | ||
b7cfce93 MK |
4959 | /* send l3vni add to BGP */ |
4960 | zl3vni_send_add_to_client(zl3vni); | |
4961 | } | |
4962 | ||
4963 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
4964 | { | |
2aeb403d | 4965 | if (!zl3vni) |
4966 | return; | |
4967 | ||
b7cfce93 MK |
4968 | /* send l3-vni del to BGP*/ |
4969 | zl3vni_send_del_to_client(zl3vni); | |
4970 | } | |
4971 | ||
e3b78da8 | 4972 | static void zvni_add_to_l3vni_list(struct hash_bucket *bucket, void *ctxt) |
b7cfce93 | 4973 | { |
e3b78da8 | 4974 | zebra_vni_t *zvni = (zebra_vni_t *)bucket->data; |
996c9314 | 4975 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; |
b7cfce93 MK |
4976 | |
4977 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
4978 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
4979 | } | |
4980 | ||
b7cfce93 MK |
4981 | /* |
4982 | * handle transition of vni from l2 to l3 and vice versa | |
4983 | */ | |
996c9314 LB |
4984 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
4985 | int add) | |
b7cfce93 MK |
4986 | { |
4987 | zebra_vni_t *zvni = NULL; | |
4988 | ||
4989 | /* There is a possibility that VNI notification was already received | |
4990 | * from kernel and we programmed it as L2-VNI | |
4991 | * In such a case we need to delete this L2-VNI first, so | |
4992 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
4993 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
4994 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 4995 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
4996 | */ | |
b7cfce93 MK |
4997 | if (add) { |
4998 | /* Locate hash entry */ | |
4999 | zvni = zvni_lookup(vni); | |
5000 | if (!zvni) | |
5001 | return 0; | |
5002 | ||
5003 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5004 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
5005 | |
5006 | /* Delete VNI from BGP. */ | |
5007 | zvni_send_del_to_client(zvni->vni); | |
5008 | ||
5009 | /* Free up all neighbors and MAC, if any. */ | |
5010 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
5011 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
5012 | ||
5013 | /* Free up all remote VTEPs, if any. */ | |
5014 | zvni_vtep_del_all(zvni, 0); | |
5015 | ||
5016 | /* Delete the hash entry. */ | |
5017 | if (zvni_del(zvni)) { | |
e914ccbe | 5018 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
5019 | "Failed to del VNI hash %p, VNI %u", zvni, |
5020 | zvni->vni); | |
b7cfce93 MK |
5021 | return -1; |
5022 | } | |
5023 | } else { | |
5024 | /* TODO_MITESH: This needs to be thought through. We don't have | |
5025 | * enough information at this point to reprogram the vni as | |
5026 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 5027 | * used it solely for this purpose |
5028 | */ | |
b7cfce93 MK |
5029 | } |
5030 | ||
5031 | return 0; | |
5032 | } | |
5033 | ||
5e06422c | 5034 | /* delete and uninstall rmac hash entry */ |
e3b78da8 | 5035 | static void zl3vni_del_rmac_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5036 | { |
5037 | zebra_mac_t *zrmac = NULL; | |
5038 | zebra_l3vni_t *zl3vni = NULL; | |
5039 | ||
e3b78da8 | 5040 | zrmac = (zebra_mac_t *)bucket->data; |
5e06422c MK |
5041 | zl3vni = (zebra_l3vni_t *)ctx; |
5042 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
5043 | zl3vni_rmac_del(zl3vni, zrmac); | |
5044 | } | |
5045 | ||
5046 | /* delete and uninstall nh hash entry */ | |
e3b78da8 | 5047 | static void zl3vni_del_nh_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5048 | { |
5049 | zebra_neigh_t *n = NULL; | |
5050 | zebra_l3vni_t *zl3vni = NULL; | |
5051 | ||
e3b78da8 | 5052 | n = (zebra_neigh_t *)bucket->data; |
5e06422c MK |
5053 | zl3vni = (zebra_l3vni_t *)ctx; |
5054 | zl3vni_nh_uninstall(zl3vni, n); | |
5055 | zl3vni_nh_del(zl3vni, n); | |
5056 | } | |
5057 | ||
996c9314 LB |
5058 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
5059 | uint16_t cmd) | |
31310b25 MK |
5060 | { |
5061 | struct zserv *client = NULL; | |
5062 | struct stream *s = NULL; | |
5063 | char buf[PREFIX_STRLEN]; | |
5064 | ||
21ccc0cf | 5065 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
5066 | /* BGP may not be running. */ |
5067 | if (!client) | |
5068 | return 0; | |
5069 | ||
1002497a | 5070 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 5071 | |
22bd3e94 | 5072 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
5073 | stream_put(s, p, sizeof(struct prefix)); |
5074 | ||
5075 | /* Write packet size. */ | |
5076 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5077 | ||
5078 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5079 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
5080 | prefix2str(p, buf, sizeof(buf)), |
5081 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
5082 | vrf_id_to_name(vrf_id)); | |
5083 | ||
5084 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
5085 | client->prefixadd_cnt++; | |
5086 | else | |
5087 | client->prefixdel_cnt++; | |
5088 | ||
21ccc0cf | 5089 | return zserv_send_message(client, s); |
31310b25 MK |
5090 | } |
5091 | ||
a9a76262 MK |
5092 | /* re-add remote rmac if needed */ |
5093 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 5094 | struct ethaddr *rmac) |
a9a76262 MK |
5095 | { |
5096 | char buf[ETHER_ADDR_STRLEN]; | |
5097 | zebra_mac_t *zrmac = NULL; | |
5098 | ||
5099 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5100 | if (!zrmac) | |
5101 | return 0; | |
5102 | ||
5103 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5104 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 5105 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
5106 | |
5107 | zl3vni_rmac_install(zl3vni, zrmac); | |
5108 | return 0; | |
5109 | } | |
5110 | ||
f07e1c99 | 5111 | /* Process a remote MACIP add from BGP. */ |
5112 | static void process_remote_macip_add(vni_t vni, | |
5113 | struct ethaddr *macaddr, | |
9df2b997 | 5114 | uint16_t ipa_len, |
f07e1c99 | 5115 | struct ipaddr *ipaddr, |
9df2b997 | 5116 | uint8_t flags, |
f07e1c99 | 5117 | uint32_t seq, |
5118 | struct in_addr vtep_ip) | |
c48d9f5f | 5119 | { |
f07e1c99 | 5120 | zebra_vni_t *zvni; |
5121 | zebra_vtep_t *zvtep; | |
e22a946a | 5122 | zebra_mac_t *mac = NULL, *old_mac = NULL; |
f07e1c99 | 5123 | zebra_neigh_t *n = NULL; |
5124 | int update_mac = 0, update_neigh = 0; | |
5125 | char buf[ETHER_ADDR_STRLEN]; | |
5126 | char buf1[INET6_ADDRSTRLEN]; | |
5127 | struct interface *ifp = NULL; | |
5128 | struct zebra_if *zif = NULL; | |
e22a946a | 5129 | struct zebra_vrf *zvrf; |
f07e1c99 | 5130 | uint32_t tmp_seq; |
a37f4598 | 5131 | bool sticky; |
5132 | bool remote_gw; | |
5133 | bool is_router; | |
e22a946a CS |
5134 | bool do_dad = false; |
5135 | bool is_dup_detect = false; | |
c48d9f5f | 5136 | |
f07e1c99 | 5137 | /* Locate VNI hash entry - expected to exist. */ |
5138 | zvni = zvni_lookup(vni); | |
5139 | if (!zvni) { | |
5140 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
5141 | return; | |
5142 | } | |
2dbad57f | 5143 | |
f07e1c99 | 5144 | ifp = zvni->vxlan_if; |
5145 | if (ifp) | |
5146 | zif = ifp->info; | |
5147 | if (!ifp || | |
5148 | !if_is_operative(ifp) || | |
5149 | !zif || | |
5150 | !zif->brslave_info.br_if) { | |
5151 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
5152 | vni); | |
2dbad57f | 5153 | return; |
f07e1c99 | 5154 | } |
2dbad57f | 5155 | |
f07e1c99 | 5156 | /* The remote VTEP specified should normally exist, but it is |
5157 | * possible that when peering comes up, peer may advertise MACIP | |
5158 | * routes before advertising type-3 routes. | |
f50dc5e6 | 5159 | */ |
f07e1c99 | 5160 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
5161 | if (!zvtep) { | |
5162 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5163 | flog_err( | |
e914ccbe | 5164 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 5165 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
5166 | vni, zvni); | |
5167 | return; | |
5168 | } | |
2dbad57f | 5169 | |
f07e1c99 | 5170 | zvni_vtep_install(zvni, &vtep_ip); |
5171 | } | |
f50dc5e6 | 5172 | |
a37f4598 | 5173 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
5174 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
5175 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 5176 | |
f07e1c99 | 5177 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 5178 | |
f07e1c99 | 5179 | /* Ignore if the mac is already present as a gateway mac */ |
5180 | if (mac && | |
5181 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
5182 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
5183 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5184 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5185 | vni, | |
5186 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5187 | ipa_len ? " IP " : "", | |
5188 | ipa_len ? | |
5189 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 5190 | return; |
f07e1c99 | 5191 | } |
2dbad57f | 5192 | |
e22a946a CS |
5193 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
5194 | if (!zvrf) | |
5195 | return; | |
5196 | ||
f07e1c99 | 5197 | /* check if the remote MAC is unknown or has a change. |
5198 | * If so, that needs to be updated first. Note that client could | |
5199 | * install MAC and MACIP separately or just install the latter. | |
5200 | */ | |
5201 | if (!mac | |
5202 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 5203 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
5204 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 5205 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
5206 | || seq != mac->rem_seq) | |
5207 | update_mac = 1; | |
5208 | ||
5209 | if (update_mac) { | |
5210 | if (!mac) { | |
5211 | mac = zvni_mac_add(zvni, macaddr); | |
5212 | if (!mac) { | |
5213 | zlog_warn( | |
5214 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
5215 | prefix_mac2str(macaddr, buf, | |
5216 | sizeof(buf)), | |
5217 | vni, inet_ntoa(vtep_ip)); | |
5218 | return; | |
5219 | } | |
5220 | ||
5221 | /* Is this MAC created for a MACIP? */ | |
5222 | if (ipa_len) | |
5223 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5224 | } else { | |
5225 | const char *mac_type; | |
5226 | ||
5227 | /* When host moves but changes its (MAC,IP) | |
5228 | * binding, BGP may install a MACIP entry that | |
5229 | * corresponds to "older" location of the host | |
5230 | * in transient situations (because {IP1,M1} | |
5231 | * is a different route from {IP1,M2}). Check | |
5232 | * the sequence number and ignore this update | |
5233 | * if appropriate. | |
5234 | */ | |
5235 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5236 | tmp_seq = mac->loc_seq; | |
5237 | mac_type = "local"; | |
5238 | } else { | |
5239 | tmp_seq = mac->rem_seq; | |
5240 | mac_type = "remote"; | |
5241 | } | |
5242 | if (seq < tmp_seq) { | |
5243 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5244 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
5245 | vni, | |
5246 | prefix_mac2str(macaddr, | |
5247 | buf, sizeof(buf)), | |
5248 | ipa_len ? " IP " : "", | |
5249 | ipa_len ? | |
5250 | ipaddr2str(ipaddr, | |
5251 | buf1, sizeof(buf1)) : "", | |
5252 | mac_type, | |
5253 | tmp_seq); | |
5254 | return; | |
5255 | } | |
5256 | } | |
5257 | ||
e22a946a CS |
5258 | /* Check MAC's curent state is local (this is the case |
5259 | * where MAC has moved from L->R) and check previous | |
5260 | * detection started via local learning. | |
5261 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
5262 | * event via local learning starts an M-second timer. | |
5263 | * | |
753ad4fe | 5264 | * VTEP-IP or seq. change alone is not considered |
e22a946a | 5265 | * for dup. detection. |
753ad4fe CS |
5266 | * |
5267 | * MAC is already marked duplicate set dad, then | |
5268 | * is_dup_detect will be set to not install the entry. | |
e22a946a | 5269 | */ |
753ad4fe CS |
5270 | if ((!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && |
5271 | mac->dad_count) || | |
5272 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e22a946a CS |
5273 | do_dad = true; |
5274 | ||
e98e4b88 AK |
5275 | /* Remove local MAC from BGP. */ |
5276 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5277 | zvni_mac_send_del_to_client(zvni->vni, macaddr); | |
5278 | ||
f07e1c99 | 5279 | /* Set "auto" and "remote" forwarding info. */ |
5280 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5281 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5282 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5283 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5284 | ||
5285 | if (sticky) | |
5286 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5287 | else | |
5288 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5289 | ||
5290 | if (remote_gw) | |
5291 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5292 | else | |
5293 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5294 | ||
bdca1974 CS |
5295 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, |
5296 | mac->fwd_info.r_vtep_ip, | |
5297 | do_dad, &is_dup_detect, | |
5298 | false); | |
e22a946a | 5299 | |
a4445ece CS |
5300 | if (!is_dup_detect) { |
5301 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
5302 | /* Install the entry. */ | |
e22a946a | 5303 | zvni_mac_install(zvni, mac); |
a4445ece | 5304 | } |
f07e1c99 | 5305 | } |
5306 | ||
5307 | /* Update seq number. */ | |
5308 | mac->rem_seq = seq; | |
5309 | ||
5310 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
5311 | if (!ipa_len) { | |
5312 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5313 | return; | |
5314 | } | |
5315 | ||
e22a946a CS |
5316 | /* Reset flag */ |
5317 | do_dad = false; | |
5318 | ||
f07e1c99 | 5319 | /* Check if the remote neighbor itself is unknown or has a |
5320 | * change. If so, create or update and then install the entry. | |
5321 | */ | |
5322 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5323 | if (!n | |
5324 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 5325 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 5326 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
5327 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
5328 | || seq != n->rem_seq) | |
5329 | update_neigh = 1; | |
5330 | ||
5331 | if (update_neigh) { | |
5332 | if (!n) { | |
5333 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
5334 | if (!n) { | |
5335 | zlog_warn( | |
5336 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
5337 | ipaddr2str(ipaddr, buf1, | |
5338 | sizeof(buf1)), | |
5339 | prefix_mac2str(macaddr, buf, | |
5340 | sizeof(buf)), | |
5341 | vni, inet_ntoa(vtep_ip)); | |
5342 | return; | |
5343 | } | |
5344 | ||
5345 | } else { | |
5346 | const char *n_type; | |
5347 | ||
5348 | /* When host moves but changes its (MAC,IP) | |
5349 | * binding, BGP may install a MACIP entry that | |
5350 | * corresponds to "older" location of the host | |
5351 | * in transient situations (because {IP1,M1} | |
5352 | * is a different route from {IP1,M2}). Check | |
5353 | * the sequence number and ignore this update | |
5354 | * if appropriate. | |
5355 | */ | |
5356 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
5357 | tmp_seq = n->loc_seq; | |
5358 | n_type = "local"; | |
5359 | } else { | |
5360 | tmp_seq = n->rem_seq; | |
5361 | n_type = "remote"; | |
5362 | } | |
5363 | if (seq < tmp_seq) { | |
5364 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5365 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
5366 | vni, | |
5367 | prefix_mac2str(macaddr, | |
5368 | buf, sizeof(buf)), | |
4848ef74 A |
5369 | " IP ", |
5370 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 5371 | n_type, |
5372 | tmp_seq); | |
5373 | return; | |
5374 | } | |
5375 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
5376 | /* MAC change, send a delete for old | |
5377 | * neigh if learnt locally. | |
5378 | */ | |
5379 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
5380 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
5381 | zvni_neigh_send_del_to_client( | |
5382 | zvni->vni, &n->ip, | |
2c476b72 | 5383 | &n->emac, 0, n->state); |
f07e1c99 | 5384 | |
5385 | /* update neigh list for macs */ | |
5386 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
5387 | if (old_mac) { | |
5388 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 5389 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 5390 | } |
5391 | listnode_add_sort(mac->neigh_list, n); | |
5392 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
e22a946a CS |
5393 | |
5394 | /* Check Neigh's curent state is local | |
5395 | * (this is the case where neigh/host has moved | |
5396 | * from L->R) and check previous detction | |
5397 | * started via local learning. | |
5398 | * | |
5399 | * RFC-7432: A PE/VTEP that detects a MAC | |
5400 | * mobilit event via local learning starts | |
5401 | * an M-second timer. | |
5402 | * VTEP-IP or seq. change along is not | |
5403 | * considered for dup. detection. | |
5404 | * | |
5405 | * Mobilty event scenario-B IP-MAC binding | |
5406 | * changed. | |
5407 | */ | |
5408 | if ((!CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
5409 | && n->dad_count) | |
5410 | do_dad = true; | |
5411 | ||
f07e1c99 | 5412 | } |
5413 | } | |
5414 | ||
5415 | /* Set "remote" forwarding info. */ | |
5416 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5417 | n->r_vtep_ip = vtep_ip; | |
5418 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5419 | ||
5420 | /* Set router flag (R-bit) to this Neighbor entry */ | |
5421 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
5422 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 5423 | else |
5424 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 5425 | |
e22a946a CS |
5426 | /* Check old or new MAC detected as duplicate, |
5427 | * inherit duplicate flag to this neigh. | |
5428 | */ | |
5429 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_mac, | |
5430 | mac, n)) { | |
5431 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
5432 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC", | |
5433 | zvni->vni, | |
5434 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
5435 | ipaddr2str(&n->ip, buf1, sizeof(buf1))); | |
5436 | } | |
5437 | ||
7510e459 CS |
5438 | /* Check duplicate address detection for IP */ |
5439 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, | |
5440 | n->r_vtep_ip, | |
5441 | do_dad, | |
5442 | &is_dup_detect, | |
5443 | false); | |
f07e1c99 | 5444 | /* Install the entry. */ |
e22a946a CS |
5445 | if (!is_dup_detect) |
5446 | zvni_neigh_install(zvni, n); | |
f07e1c99 | 5447 | } |
5448 | ||
44bc8ae5 CS |
5449 | zvni_probe_neigh_on_mac_add(zvni, mac); |
5450 | ||
f07e1c99 | 5451 | /* Update seq number. */ |
5452 | n->rem_seq = seq; | |
5453 | } | |
5454 | ||
5455 | /* Process a remote MACIP delete from BGP. */ | |
5456 | static void process_remote_macip_del(vni_t vni, | |
5457 | struct ethaddr *macaddr, | |
9df2b997 | 5458 | uint16_t ipa_len, |
f07e1c99 | 5459 | struct ipaddr *ipaddr, |
5460 | struct in_addr vtep_ip) | |
5461 | { | |
5462 | zebra_vni_t *zvni; | |
5463 | zebra_mac_t *mac = NULL; | |
5464 | zebra_neigh_t *n = NULL; | |
5465 | struct interface *ifp = NULL; | |
5466 | struct zebra_if *zif = NULL; | |
67fb9374 CS |
5467 | struct zebra_ns *zns; |
5468 | struct zebra_l2info_vxlan *vxl; | |
5469 | struct zebra_vrf *zvrf; | |
f07e1c99 | 5470 | char buf[ETHER_ADDR_STRLEN]; |
5471 | char buf1[INET6_ADDRSTRLEN]; | |
5472 | ||
5473 | /* Locate VNI hash entry - expected to exist. */ | |
5474 | zvni = zvni_lookup(vni); | |
5475 | if (!zvni) { | |
5476 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5477 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
5478 | return; | |
5479 | } | |
5480 | ||
5481 | ifp = zvni->vxlan_if; | |
5482 | if (ifp) | |
5483 | zif = ifp->info; | |
5484 | if (!ifp || | |
5485 | !if_is_operative(ifp) || | |
5486 | !zif || | |
5487 | !zif->brslave_info.br_if) { | |
5488 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5489 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
5490 | vni); | |
5491 | return; | |
5492 | } | |
67fb9374 CS |
5493 | zns = zebra_ns_lookup(NS_DEFAULT); |
5494 | vxl = &zif->l2info.vxl; | |
f07e1c99 | 5495 | |
5496 | /* The remote VTEP specified is normally expected to exist, but | |
5497 | * it is possible that the peer may delete the VTEP before deleting | |
5498 | * any MACs referring to the VTEP, in which case the handler (see | |
5499 | * remote_vtep_del) would have already deleted the MACs. | |
5500 | */ | |
5501 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5502 | return; | |
5503 | ||
5504 | mac = zvni_mac_lookup(zvni, macaddr); | |
5505 | if (ipa_len) | |
5506 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5507 | ||
5508 | if (n && !mac) { | |
5509 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
5510 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5511 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
5512 | return; | |
5513 | } | |
5514 | ||
5515 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5516 | * more to do. Otherwise, uninstall the entry and then remove it. | |
5517 | */ | |
5518 | if (!mac && !n) | |
5519 | return; | |
5520 | ||
67fb9374 CS |
5521 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
5522 | ||
f07e1c99 | 5523 | /* Ignore the delete if this mac is a gateway mac-ip */ |
67fb9374 | 5524 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
f07e1c99 | 5525 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { |
5526 | zlog_warn( | |
5527 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5528 | vni, | |
5529 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5530 | ipa_len ? " IP " : "", | |
5531 | ipa_len ? | |
5532 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
5533 | return; | |
5534 | } | |
5535 | ||
5536 | /* Uninstall remote neighbor or MAC. */ | |
5537 | if (n) { | |
67fb9374 CS |
5538 | if (zvrf->dad_freeze && |
5539 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE) && | |
5540 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) && | |
5541 | (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5542 | struct interface *vlan_if; | |
5543 | ||
5544 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5545 | zif->brslave_info.br_if); | |
5546 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5547 | zlog_debug("%s: IP %s (flags 0x%x intf %s) is remote and duplicate, read kernel for local entry", | |
5548 | __PRETTY_FUNCTION__, | |
5549 | ipaddr2str(ipaddr, buf1, | |
5550 | sizeof(buf1)), n->flags, | |
5551 | vlan_if->name); | |
5552 | neigh_read_specific_ip(ipaddr, vlan_if); | |
5553 | } | |
5554 | ||
f07e1c99 | 5555 | /* When the MAC changes for an IP, it is possible the |
5556 | * client may update the new MAC before trying to delete the | |
5557 | * "old" neighbor (as these are two different MACIP routes). | |
5558 | * Do the delete only if the MAC matches. | |
5559 | */ | |
5560 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5561 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5562 | zvni_neigh_uninstall(zvni, n); | |
5563 | zvni_neigh_del(zvni, n); | |
fe697c6b | 5564 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 5565 | } |
5566 | } else { | |
67fb9374 CS |
5567 | /* DAD: when MAC is freeze state as remote learn event, |
5568 | * remote mac-ip delete event is received will result in freeze | |
5569 | * entry removal, first fetch kernel for the same entry present | |
5570 | * as LOCAL and reachable, avoid deleting this entry instead | |
5571 | * use kerenel local entry to update during unfreeze time. | |
5572 | */ | |
5573 | if (zvrf->dad_freeze && | |
5574 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) && | |
5575 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
5576 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5577 | zlog_debug("%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry", | |
5578 | __PRETTY_FUNCTION__, | |
5579 | prefix_mac2str(macaddr, buf, | |
5580 | sizeof(buf)), | |
5581 | mac->flags); | |
5582 | macfdb_read_specific_mac(zns, zif->brslave_info.br_if, | |
5583 | macaddr, vxl->access_vlan); | |
5584 | } | |
5585 | ||
f07e1c99 | 5586 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5587 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
f3a930da AK |
5588 | /* |
5589 | * the remote sequence number in the auto mac entry | |
5590 | * needs to be reset to 0 as the mac entry may have | |
5591 | * been removed on all VTEPs (including | |
5592 | * the originating one) | |
5593 | */ | |
5594 | mac->rem_seq = 0; | |
f07e1c99 | 5595 | |
fe697c6b | 5596 | /* If all remote neighbors referencing a remote MAC |
5597 | * go away, we need to uninstall the MAC. | |
5598 | */ | |
5599 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 5600 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 5601 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
5602 | } | |
5603 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 5604 | zvni_mac_del(zvni, mac); |
fe697c6b | 5605 | else |
f07e1c99 | 5606 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
5607 | } | |
5608 | } | |
5609 | } | |
5610 | ||
5611 | ||
b7cfce93 MK |
5612 | /* Public functions */ |
5613 | ||
c48d9f5f MK |
5614 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
5615 | { | |
5616 | zebra_l3vni_t *zl3vni = NULL; | |
5617 | ||
5618 | zl3vni = zl3vni_lookup(vni); | |
5619 | if (!zl3vni) | |
5620 | return 0; | |
5621 | ||
5622 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
5623 | } | |
5624 | ||
2dbad57f | 5625 | /* handle evpn route in vrf table */ |
996c9314 LB |
5626 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
5627 | struct ipaddr *vtep_ip, | |
5628 | struct prefix *host_prefix) | |
2dbad57f | 5629 | { |
5630 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 5631 | struct ipaddr ipv4_vtep; |
2dbad57f | 5632 | |
5633 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5634 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
5635 | return; | |
5636 | ||
3518f352 | 5637 | /* |
f50dc5e6 MK |
5638 | * add the next hop neighbor - |
5639 | * neigh to be installed is the ipv6 nexthop neigh | |
5640 | */ | |
3518f352 | 5641 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 5642 | |
f50dc5e6 MK |
5643 | /* |
5644 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
5645 | * address. Rmac is programmed against the ipv4 vtep because we only | |
5646 | * support ipv4 tunnels in the h/w right now | |
5647 | */ | |
5648 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
5649 | ipv4_vtep.ipa_type = IPADDR_V4; | |
5650 | if (vtep_ip->ipa_type == IPADDR_V6) | |
5651 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
5652 | &(ipv4_vtep.ipaddr_v4)); | |
5653 | else | |
5654 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
5655 | sizeof(struct in_addr)); | |
5656 | ||
3518f352 DS |
5657 | /* |
5658 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
5659 | * nexthop address |
5660 | */ | |
3518f352 | 5661 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 5662 | } |
5663 | ||
5664 | /* handle evpn vrf route delete */ | |
22e63104 | 5665 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
5666 | struct ipaddr *vtep_ip, |
5667 | struct prefix *host_prefix) | |
2dbad57f | 5668 | { |
5669 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 5670 | zebra_neigh_t *nh = NULL; |
5671 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 5672 | |
5673 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 5674 | if (!zl3vni) |
2dbad57f | 5675 | return; |
5676 | ||
22e63104 | 5677 | /* find the next hop entry and rmac entry */ |
5678 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
5679 | if (!nh) | |
5680 | return; | |
5681 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
5682 | ||
2dbad57f | 5683 | /* delete the next hop entry */ |
22e63104 | 5684 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 5685 | |
5686 | /* delete the rmac entry */ | |
22e63104 | 5687 | if (zrmac) |
5688 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
5689 | ||
2dbad57f | 5690 | } |
5691 | ||
996c9314 | 5692 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5693 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
5694 | { |
5695 | zebra_l3vni_t *zl3vni = NULL; | |
5696 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 5697 | json_object *json = NULL; |
9aa741ea | 5698 | |
316f4ca4 MK |
5699 | if (!is_evpn_enabled()) { |
5700 | if (use_json) | |
5701 | vty_out(vty, "{}\n"); | |
9aa741ea | 5702 | return; |
316f4ca4 MK |
5703 | } |
5704 | ||
5705 | if (use_json) | |
5706 | json = json_object_new_object(); | |
9aa741ea MK |
5707 | |
5708 | zl3vni = zl3vni_lookup(l3vni); | |
5709 | if (!zl3vni) { | |
316f4ca4 MK |
5710 | if (use_json) |
5711 | vty_out(vty, "{}\n"); | |
5712 | else | |
0437e105 | 5713 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); |
9aa741ea MK |
5714 | return; |
5715 | } | |
5716 | ||
5717 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5718 | if (!zrmac) { | |
316f4ca4 MK |
5719 | if (use_json) |
5720 | vty_out(vty, "{}\n"); | |
5721 | else | |
5722 | vty_out(vty, | |
0437e105 | 5723 | "%% Requested RMAC doesn't exist in L3-VNI %u", |
316f4ca4 | 5724 | l3vni); |
9aa741ea MK |
5725 | return; |
5726 | } | |
5727 | ||
316f4ca4 MK |
5728 | zl3vni_print_rmac(zrmac, vty, json); |
5729 | ||
5730 | if (use_json) { | |
5731 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5732 | json, JSON_C_TO_STRING_PRETTY)); | |
5733 | json_object_free(json); | |
5734 | } | |
9aa741ea | 5735 | } |
2dbad57f | 5736 | |
9f049418 | 5737 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
5738 | { |
5739 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 5740 | uint32_t num_rmacs; |
b7cfce93 MK |
5741 | struct rmac_walk_ctx wctx; |
5742 | json_object *json = NULL; | |
b7cfce93 MK |
5743 | |
5744 | if (!is_evpn_enabled()) | |
5745 | return; | |
5746 | ||
5747 | zl3vni = zl3vni_lookup(l3vni); | |
5748 | if (!zl3vni) { | |
5749 | if (use_json) | |
5750 | vty_out(vty, "{}\n"); | |
5751 | else | |
5752 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5753 | return; | |
5754 | } | |
5755 | num_rmacs = hashcount(zl3vni->rmac_table); | |
5756 | if (!num_rmacs) | |
5757 | return; | |
5758 | ||
75223c9e | 5759 | if (use_json) |
b7cfce93 | 5760 | json = json_object_new_object(); |
b7cfce93 MK |
5761 | |
5762 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
5763 | wctx.vty = vty; | |
75223c9e | 5764 | wctx.json = json; |
b7cfce93 | 5765 | if (!use_json) { |
996c9314 | 5766 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 5767 | num_rmacs); |
4cce389e | 5768 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
5769 | } else |
5770 | json_object_int_add(json, "numRmacs", num_rmacs); | |
5771 | ||
5772 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
5773 | ||
5774 | if (use_json) { | |
b7cfce93 MK |
5775 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5776 | json, JSON_C_TO_STRING_PRETTY)); | |
5777 | json_object_free(json); | |
5778 | } | |
5779 | } | |
5780 | ||
9f049418 | 5781 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5782 | { |
b7cfce93 | 5783 | json_object *json = NULL; |
c0b4eaa4 | 5784 | void *args[2]; |
b7cfce93 MK |
5785 | |
5786 | if (!is_evpn_enabled()) { | |
5787 | if (use_json) | |
5788 | vty_out(vty, "{}\n"); | |
5789 | return; | |
5790 | } | |
5791 | ||
b7cfce93 MK |
5792 | if (use_json) |
5793 | json = json_object_new_object(); | |
5794 | ||
c0b4eaa4 MK |
5795 | args[0] = vty; |
5796 | args[1] = json; | |
89272910 | 5797 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 5798 | (void (*)(struct hash_bucket *, |
c0b4eaa4 MK |
5799 | void *))zl3vni_print_rmac_hash_all_vni, |
5800 | args); | |
b7cfce93 MK |
5801 | |
5802 | if (use_json) { | |
5803 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5804 | json, JSON_C_TO_STRING_PRETTY)); | |
5805 | json_object_free(json); | |
5806 | } | |
5807 | } | |
5808 | ||
996c9314 | 5809 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5810 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
5811 | { |
5812 | zebra_l3vni_t *zl3vni = NULL; | |
5813 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 5814 | json_object *json = NULL; |
9aa741ea | 5815 | |
c0e519d3 MK |
5816 | if (!is_evpn_enabled()) { |
5817 | if (use_json) | |
5818 | vty_out(vty, "{}\n"); | |
9aa741ea | 5819 | return; |
c0e519d3 MK |
5820 | } |
5821 | ||
5822 | if (use_json) | |
5823 | json = json_object_new_object(); | |
9aa741ea MK |
5824 | |
5825 | zl3vni = zl3vni_lookup(l3vni); | |
5826 | if (!zl3vni) { | |
c0e519d3 MK |
5827 | if (use_json) |
5828 | vty_out(vty, "{}\n"); | |
5829 | else | |
5830 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
5831 | return; |
5832 | } | |
5833 | ||
5834 | n = zl3vni_nh_lookup(zl3vni, ip); | |
5835 | if (!n) { | |
c0e519d3 MK |
5836 | if (use_json) |
5837 | vty_out(vty, "{}\n"); | |
5838 | else | |
5839 | vty_out(vty, | |
5840 | "%% Requested next-hop not present for L3-VNI %u", | |
5841 | l3vni); | |
9aa741ea MK |
5842 | return; |
5843 | } | |
5844 | ||
c0e519d3 MK |
5845 | zl3vni_print_nh(n, vty, json); |
5846 | ||
5847 | if (use_json) { | |
5848 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5849 | json, JSON_C_TO_STRING_PRETTY)); | |
5850 | json_object_free(json); | |
5851 | } | |
9aa741ea MK |
5852 | } |
5853 | ||
9f049418 | 5854 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 5855 | { |
d7c0a89a | 5856 | uint32_t num_nh; |
2dbad57f | 5857 | struct nh_walk_ctx wctx; |
b7cfce93 | 5858 | json_object *json = NULL; |
b7cfce93 MK |
5859 | zebra_l3vni_t *zl3vni = NULL; |
5860 | ||
5861 | if (!is_evpn_enabled()) | |
5862 | return; | |
5863 | ||
5864 | zl3vni = zl3vni_lookup(l3vni); | |
5865 | if (!zl3vni) { | |
5866 | if (use_json) | |
5867 | vty_out(vty, "{}\n"); | |
5868 | else | |
5869 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5870 | return; | |
5871 | } | |
5872 | ||
5873 | num_nh = hashcount(zl3vni->nh_table); | |
5874 | if (!num_nh) | |
5875 | return; | |
5876 | ||
9187f600 | 5877 | if (use_json) |
b7cfce93 | 5878 | json = json_object_new_object(); |
b7cfce93 | 5879 | |
2dbad57f | 5880 | wctx.vty = vty; |
9187f600 | 5881 | wctx.json = json; |
b7cfce93 | 5882 | if (!use_json) { |
996c9314 | 5883 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 5884 | num_nh); |
4cce389e | 5885 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 5886 | } else |
4cce389e | 5887 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
5888 | |
5889 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
5890 | ||
5891 | if (use_json) { | |
b7cfce93 MK |
5892 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5893 | json, JSON_C_TO_STRING_PRETTY)); | |
5894 | json_object_free(json); | |
5895 | } | |
5896 | } | |
5897 | ||
9f049418 | 5898 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5899 | { |
2dbad57f | 5900 | json_object *json = NULL; |
32798965 | 5901 | void *args[2]; |
2dbad57f | 5902 | |
5903 | if (!is_evpn_enabled()) { | |
5904 | if (use_json) | |
5905 | vty_out(vty, "{}\n"); | |
5906 | return; | |
5907 | } | |
5908 | ||
2dbad57f | 5909 | if (use_json) |
5910 | json = json_object_new_object(); | |
5911 | ||
32798965 MK |
5912 | args[0] = vty; |
5913 | args[1] = json; | |
89272910 | 5914 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 5915 | (void (*)(struct hash_bucket *, |
32798965 MK |
5916 | void *))zl3vni_print_nh_hash_all_vni, |
5917 | args); | |
2dbad57f | 5918 | |
5919 | if (use_json) { | |
5920 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5921 | json, JSON_C_TO_STRING_PRETTY)); | |
5922 | json_object_free(json); | |
5923 | } | |
b7cfce93 MK |
5924 | } |
5925 | ||
5926 | /* | |
5927 | * Display L3 VNI information (VTY command handler). | |
5928 | */ | |
9f049418 | 5929 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
5930 | { |
5931 | void *args[2]; | |
5932 | json_object *json = NULL; | |
5933 | zebra_l3vni_t *zl3vni = NULL; | |
5934 | ||
b2ee5a13 MK |
5935 | if (!is_evpn_enabled()) { |
5936 | if (use_json) | |
5937 | vty_out(vty, "{}\n"); | |
b7cfce93 | 5938 | return; |
b2ee5a13 | 5939 | } |
b7cfce93 MK |
5940 | |
5941 | zl3vni = zl3vni_lookup(vni); | |
5942 | if (!zl3vni) { | |
5943 | if (use_json) | |
5944 | vty_out(vty, "{}\n"); | |
5945 | else | |
5946 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5947 | return; | |
5948 | } | |
5949 | ||
5950 | if (use_json) | |
5951 | json = json_object_new_object(); | |
5952 | ||
b2ee5a13 MK |
5953 | args[0] = vty; |
5954 | args[1] = json; | |
b7cfce93 MK |
5955 | zl3vni_print(zl3vni, (void *)args); |
5956 | ||
5957 | if (use_json) { | |
5958 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5959 | json, JSON_C_TO_STRING_PRETTY)); | |
5960 | json_object_free(json); | |
5961 | } | |
5962 | } | |
5963 | ||
4cce389e MK |
5964 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5965 | json_object *json_vrfs) | |
b7cfce93 | 5966 | { |
4cce389e MK |
5967 | char buf[ETHER_ADDR_STRLEN]; |
5968 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 5969 | |
4cce389e MK |
5970 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
5971 | if (!zl3vni) | |
b7cfce93 | 5972 | return; |
b7cfce93 | 5973 | |
4cce389e MK |
5974 | if (!json_vrfs) { |
5975 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 5976 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 5977 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 5978 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 5979 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 5980 | } else { |
4cce389e | 5981 | json_object *json_vrf = NULL; |
9df2b997 | 5982 | |
4cce389e | 5983 | json_vrf = json_object_new_object(); |
996c9314 | 5984 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
5985 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
5986 | json_object_string_add(json_vrf, "vxlanIntf", | |
5987 | zl3vni_vxlan_if_name(zl3vni)); | |
5988 | json_object_string_add(json_vrf, "sviIntf", | |
5989 | zl3vni_svi_if_name(zl3vni)); | |
5990 | json_object_string_add(json_vrf, "state", | |
5991 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
5992 | json_object_string_add( |
5993 | json_vrf, "routerMac", | |
5994 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 5995 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
5996 | } |
5997 | } | |
5998 | ||
5999 | /* | |
6000 | * Display Neighbors for a VNI (VTY command handler). | |
6001 | */ | |
6002 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 6003 | vni_t vni, bool use_json) |
b7cfce93 MK |
6004 | { |
6005 | zebra_vni_t *zvni; | |
d7c0a89a | 6006 | uint32_t num_neigh; |
b7cfce93 MK |
6007 | struct neigh_walk_ctx wctx; |
6008 | json_object *json = NULL; | |
6009 | ||
6010 | if (!is_evpn_enabled()) | |
6011 | return; | |
6012 | zvni = zvni_lookup(vni); | |
6013 | if (!zvni) { | |
6014 | if (use_json) | |
6015 | vty_out(vty, "{}\n"); | |
6016 | else | |
6017 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6018 | return; | |
6019 | } | |
6020 | num_neigh = hashcount(zvni->neigh_table); | |
6021 | if (!num_neigh) | |
6022 | return; | |
6023 | ||
6024 | if (use_json) | |
6025 | json = json_object_new_object(); | |
6026 | ||
6027 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6028 | * size, we try to be a bit more elegant in display by first computing | |
6029 | * the maximum width. | |
6030 | */ | |
6031 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6032 | wctx.zvni = zvni; | |
6033 | wctx.vty = vty; | |
6034 | wctx.addr_width = 15; | |
6035 | wctx.json = json; | |
6036 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6037 | ||
6038 | if (!use_json) { | |
6039 | vty_out(vty, | |
6040 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6041 | num_neigh); | |
1a8c5c38 | 6042 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
6043 | -wctx.addr_width, "IP", "Type", | |
6044 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
6045 | } else |
6046 | json_object_int_add(json, "numArpNd", num_neigh); | |
6047 | ||
6048 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
6049 | if (use_json) { | |
6050 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6051 | json, JSON_C_TO_STRING_PRETTY)); | |
6052 | json_object_free(json); | |
6053 | } | |
6054 | } | |
6055 | ||
6056 | /* | |
6057 | * Display neighbors across all VNIs (VTY command handler). | |
6058 | */ | |
6059 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
1374d4db | 6060 | bool print_dup, bool use_json) |
b7cfce93 MK |
6061 | { |
6062 | json_object *json = NULL; | |
1374d4db | 6063 | void *args[3]; |
b7cfce93 MK |
6064 | |
6065 | if (!is_evpn_enabled()) | |
6066 | return; | |
6067 | ||
6068 | if (use_json) | |
6069 | json = json_object_new_object(); | |
6070 | ||
6071 | args[0] = vty; | |
6072 | args[1] = json; | |
1374d4db CS |
6073 | args[2] = (void *)(ptrdiff_t)print_dup; |
6074 | ||
b7cfce93 | 6075 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 6076 | (void (*)(struct hash_bucket *, |
b7cfce93 MK |
6077 | void *))zvni_print_neigh_hash_all_vni, |
6078 | args); | |
6079 | if (use_json) { | |
6080 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6081 | json, JSON_C_TO_STRING_PRETTY)); | |
6082 | json_object_free(json); | |
6083 | } | |
6084 | } | |
6085 | ||
e3fac919 NS |
6086 | /* |
6087 | * Display neighbors across all VNIs in detail(VTY command handler). | |
6088 | */ | |
6089 | void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty, | |
6090 | struct zebra_vrf *zvrf, | |
6091 | bool print_dup, bool use_json) | |
6092 | { | |
6093 | json_object *json = NULL; | |
6094 | void *args[3]; | |
6095 | ||
6096 | if (!is_evpn_enabled()) | |
6097 | return; | |
6098 | ||
6099 | if (use_json) | |
6100 | json = json_object_new_object(); | |
6101 | ||
6102 | args[0] = vty; | |
6103 | args[1] = json; | |
6104 | args[2] = (void *)(ptrdiff_t)print_dup; | |
6105 | ||
6106 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 6107 | (void (*)(struct hash_bucket *, |
e3fac919 NS |
6108 | void *))zvni_print_neigh_hash_all_vni_detail, |
6109 | args); | |
6110 | if (use_json) { | |
6111 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6112 | json, JSON_C_TO_STRING_PRETTY)); | |
6113 | json_object_free(json); | |
6114 | } | |
6115 | } | |
6116 | ||
b7cfce93 MK |
6117 | /* |
6118 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
6119 | */ | |
6120 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
6121 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 6122 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
6123 | { |
6124 | zebra_vni_t *zvni; | |
6125 | zebra_neigh_t *n; | |
6126 | json_object *json = NULL; | |
6127 | ||
6128 | if (!is_evpn_enabled()) | |
6129 | return; | |
6130 | zvni = zvni_lookup(vni); | |
6131 | if (!zvni) { | |
6132 | if (use_json) | |
cd233079 CS |
6133 | vty_out(vty, "{}\n"); |
6134 | else | |
6135 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6136 | return; |
6137 | } | |
6138 | n = zvni_neigh_lookup(zvni, ip); | |
6139 | if (!n) { | |
cd233079 CS |
6140 | if (!use_json) |
6141 | vty_out(vty, | |
6142 | "%% Requested neighbor does not exist in VNI %u\n", | |
6143 | vni); | |
d62a17ae | 6144 | return; |
6145 | } | |
cd233079 CS |
6146 | if (use_json) |
6147 | json = json_object_new_object(); | |
6148 | ||
6149 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 6150 | |
cd233079 CS |
6151 | if (use_json) { |
6152 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6153 | json, JSON_C_TO_STRING_PRETTY)); | |
6154 | json_object_free(json); | |
6155 | } | |
cec2e17d | 6156 | } |
6157 | ||
6158 | /* | |
6159 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
6160 | * By definition, these are remote neighbors. | |
6161 | */ | |
d62a17ae | 6162 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 6163 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 6164 | bool use_json) |
cec2e17d | 6165 | { |
d62a17ae | 6166 | zebra_vni_t *zvni; |
d7c0a89a | 6167 | uint32_t num_neigh; |
d62a17ae | 6168 | struct neigh_walk_ctx wctx; |
cd233079 | 6169 | json_object *json = NULL; |
cec2e17d | 6170 | |
2853fed6 | 6171 | if (!is_evpn_enabled()) |
d62a17ae | 6172 | return; |
2853fed6 | 6173 | zvni = zvni_lookup(vni); |
d62a17ae | 6174 | if (!zvni) { |
cd233079 CS |
6175 | if (use_json) |
6176 | vty_out(vty, "{}\n"); | |
6177 | else | |
6178 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6179 | return; |
6180 | } | |
6181 | num_neigh = hashcount(zvni->neigh_table); | |
6182 | if (!num_neigh) | |
6183 | return; | |
cec2e17d | 6184 | |
d62a17ae | 6185 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
6186 | wctx.zvni = zvni; | |
6187 | wctx.vty = vty; | |
68e33151 | 6188 | wctx.addr_width = 15; |
d62a17ae | 6189 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
6190 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6191 | wctx.json = json; |
68e33151 | 6192 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 6193 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
6194 | |
6195 | if (use_json) { | |
6196 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6197 | json, JSON_C_TO_STRING_PRETTY)); | |
6198 | json_object_free(json); | |
6199 | } | |
cec2e17d | 6200 | } |
6201 | ||
1374d4db CS |
6202 | /* |
6203 | * Display Duplicate detected Neighbors for a VNI | |
6204 | * (VTY command handler). | |
6205 | */ | |
6206 | void zebra_vxlan_print_neigh_vni_dad(struct vty *vty, | |
6207 | struct zebra_vrf *zvrf, | |
6208 | vni_t vni, | |
6209 | bool use_json) | |
6210 | { | |
6211 | zebra_vni_t *zvni; | |
6212 | uint32_t num_neigh; | |
6213 | struct neigh_walk_ctx wctx; | |
6214 | json_object *json = NULL; | |
6215 | ||
6216 | if (!is_evpn_enabled()) | |
6217 | return; | |
6218 | ||
6219 | zvni = zvni_lookup(vni); | |
6220 | if (!zvni) { | |
6221 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6222 | return; | |
6223 | } | |
6224 | ||
6225 | num_neigh = hashcount(zvni->neigh_table); | |
6226 | if (!num_neigh) | |
6227 | return; | |
6228 | ||
6229 | num_neigh = num_dup_detected_neighs(zvni); | |
6230 | if (!num_neigh) | |
6231 | return; | |
6232 | ||
6233 | if (use_json) | |
6234 | json = json_object_new_object(); | |
6235 | ||
6236 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6237 | * size, we try to be a bit more elegant in display by first computing | |
6238 | * the maximum width. | |
6239 | */ | |
6240 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6241 | wctx.zvni = zvni; | |
6242 | wctx.vty = vty; | |
6243 | wctx.addr_width = 15; | |
6244 | wctx.json = json; | |
6245 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6246 | ||
6247 | if (!use_json) { | |
6248 | vty_out(vty, | |
6249 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6250 | num_neigh); | |
6251 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
6252 | -wctx.addr_width, "IP", "Type", | |
6253 | "State", "MAC", "Remote VTEP"); | |
6254 | } else | |
6255 | json_object_int_add(json, "numArpNd", num_neigh); | |
6256 | ||
6257 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, &wctx); | |
6258 | ||
6259 | if (use_json) { | |
6260 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6261 | json, JSON_C_TO_STRING_PRETTY)); | |
6262 | json_object_free(json); | |
6263 | } | |
6264 | } | |
6265 | ||
cec2e17d | 6266 | /* |
6267 | * Display MACs for a VNI (VTY command handler). | |
6268 | */ | |
d62a17ae | 6269 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 6270 | vni_t vni, bool use_json) |
cec2e17d | 6271 | { |
d62a17ae | 6272 | zebra_vni_t *zvni; |
d7c0a89a | 6273 | uint32_t num_macs; |
d62a17ae | 6274 | struct mac_walk_ctx wctx; |
cd233079 CS |
6275 | json_object *json = NULL; |
6276 | json_object *json_mac = NULL; | |
cec2e17d | 6277 | |
2853fed6 | 6278 | if (!is_evpn_enabled()) |
d62a17ae | 6279 | return; |
2853fed6 | 6280 | zvni = zvni_lookup(vni); |
d62a17ae | 6281 | if (!zvni) { |
cd233079 CS |
6282 | if (use_json) |
6283 | vty_out(vty, "{}\n"); | |
6284 | else | |
6285 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6286 | return; |
6287 | } | |
790f8dc5 | 6288 | num_macs = num_valid_macs(zvni); |
d62a17ae | 6289 | if (!num_macs) |
6290 | return; | |
cec2e17d | 6291 | |
cd233079 CS |
6292 | if (use_json) { |
6293 | json = json_object_new_object(); | |
6294 | json_mac = json_object_new_object(); | |
6295 | } | |
6296 | ||
d62a17ae | 6297 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6298 | wctx.zvni = zvni; | |
6299 | wctx.vty = vty; | |
cd233079 | 6300 | wctx.json = json_mac; |
cec2e17d | 6301 | |
cd233079 CS |
6302 | if (!use_json) { |
6303 | vty_out(vty, | |
6304 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6305 | num_macs); | |
6306 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
6307 | "Intf/Remote VTEP", "VLAN"); | |
6308 | } else | |
6309 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 6310 | |
d62a17ae | 6311 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
6312 | |
6313 | if (use_json) { | |
6314 | json_object_object_add(json, "macs", json_mac); | |
6315 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6316 | json, JSON_C_TO_STRING_PRETTY)); | |
6317 | json_object_free(json); | |
6318 | } | |
cec2e17d | 6319 | } |
6320 | ||
6321 | /* | |
6322 | * Display MACs for all VNIs (VTY command handler). | |
6323 | */ | |
cd233079 | 6324 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
1374d4db | 6325 | bool print_dup, bool use_json) |
cec2e17d | 6326 | { |
d62a17ae | 6327 | struct mac_walk_ctx wctx; |
cd233079 | 6328 | json_object *json = NULL; |
cec2e17d | 6329 | |
2853fed6 | 6330 | if (!is_evpn_enabled()) { |
cd233079 CS |
6331 | if (use_json) |
6332 | vty_out(vty, "{}\n"); | |
d62a17ae | 6333 | return; |
cd233079 CS |
6334 | } |
6335 | if (use_json) | |
6336 | json = json_object_new_object(); | |
6337 | ||
d62a17ae | 6338 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6339 | wctx.vty = vty; | |
cd233079 | 6340 | wctx.json = json; |
1374d4db | 6341 | wctx.print_dup = print_dup; |
d62a17ae | 6342 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6343 | |
6344 | if (use_json) { | |
6345 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6346 | json, JSON_C_TO_STRING_PRETTY)); | |
6347 | json_object_free(json); | |
6348 | } | |
cec2e17d | 6349 | } |
6350 | ||
cffe7580 NS |
6351 | /* |
6352 | * Display MACs in detail for all VNIs (VTY command handler). | |
6353 | */ | |
6354 | void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty, | |
6355 | struct zebra_vrf *zvrf, | |
6356 | bool print_dup, bool use_json) | |
6357 | { | |
6358 | struct mac_walk_ctx wctx; | |
6359 | json_object *json = NULL; | |
6360 | ||
6361 | if (!is_evpn_enabled()) { | |
6362 | if (use_json) | |
6363 | vty_out(vty, "{}\n"); | |
6364 | return; | |
6365 | } | |
6366 | if (use_json) | |
6367 | json = json_object_new_object(); | |
6368 | ||
6369 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6370 | wctx.vty = vty; | |
6371 | wctx.json = json; | |
6372 | wctx.print_dup = print_dup; | |
6373 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni_detail, | |
6374 | &wctx); | |
6375 | ||
6376 | if (use_json) { | |
6377 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6378 | json, JSON_C_TO_STRING_PRETTY)); | |
6379 | json_object_free(json); | |
6380 | } | |
6381 | } | |
6382 | ||
cec2e17d | 6383 | /* |
6384 | * Display MACs for all VNIs (VTY command handler). | |
6385 | */ | |
d62a17ae | 6386 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
6387 | struct zebra_vrf *zvrf, | |
9f049418 | 6388 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 6389 | { |
d62a17ae | 6390 | struct mac_walk_ctx wctx; |
cd233079 | 6391 | json_object *json = NULL; |
cec2e17d | 6392 | |
2853fed6 | 6393 | if (!is_evpn_enabled()) |
d62a17ae | 6394 | return; |
cd233079 CS |
6395 | |
6396 | if (use_json) | |
6397 | json = json_object_new_object(); | |
6398 | ||
d62a17ae | 6399 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6400 | wctx.vty = vty; | |
6401 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
6402 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6403 | wctx.json = json; |
d62a17ae | 6404 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6405 | |
6406 | if (use_json) { | |
6407 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6408 | json, JSON_C_TO_STRING_PRETTY)); | |
6409 | json_object_free(json); | |
6410 | } | |
cec2e17d | 6411 | } |
6412 | ||
6413 | /* | |
6414 | * Display specific MAC for a VNI, if present (VTY command handler). | |
6415 | */ | |
d62a17ae | 6416 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
24cdbd0d DS |
6417 | vni_t vni, struct ethaddr *macaddr, |
6418 | bool use_json) | |
cec2e17d | 6419 | { |
d62a17ae | 6420 | zebra_vni_t *zvni; |
6421 | zebra_mac_t *mac; | |
24cdbd0d | 6422 | json_object *json = NULL; |
cec2e17d | 6423 | |
2853fed6 | 6424 | if (!is_evpn_enabled()) |
d62a17ae | 6425 | return; |
24cdbd0d | 6426 | |
2853fed6 | 6427 | zvni = zvni_lookup(vni); |
d62a17ae | 6428 | if (!zvni) { |
24cdbd0d DS |
6429 | if (use_json) |
6430 | vty_out(vty, "{}\n"); | |
6431 | else | |
6432 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6433 | return; |
6434 | } | |
6435 | mac = zvni_mac_lookup(zvni, macaddr); | |
6436 | if (!mac) { | |
24cdbd0d DS |
6437 | if (use_json) |
6438 | vty_out(vty, "{}\n"); | |
6439 | else | |
6440 | vty_out(vty, | |
6441 | "%% Requested MAC does not exist in VNI %u\n", | |
6442 | vni); | |
d62a17ae | 6443 | return; |
6444 | } | |
cec2e17d | 6445 | |
24cdbd0d DS |
6446 | if (use_json) |
6447 | json = json_object_new_object(); | |
6448 | ||
6449 | zvni_print_mac(mac, vty, json); | |
cffe7580 NS |
6450 | if (use_json) { |
6451 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6452 | json, JSON_C_TO_STRING_PRETTY)); | |
6453 | json_object_free(json); | |
6454 | } | |
cec2e17d | 6455 | } |
6456 | ||
1374d4db CS |
6457 | /* Print Duplicate MACs per VNI */ |
6458 | void zebra_vxlan_print_macs_vni_dad(struct vty *vty, | |
6459 | struct zebra_vrf *zvrf, | |
6460 | vni_t vni, bool use_json) | |
6461 | { | |
6462 | zebra_vni_t *zvni; | |
6463 | struct mac_walk_ctx wctx; | |
6464 | uint32_t num_macs; | |
6465 | json_object *json = NULL; | |
6466 | json_object *json_mac = NULL; | |
6467 | ||
6468 | if (!is_evpn_enabled()) | |
6469 | return; | |
6470 | ||
6471 | zvni = zvni_lookup(vni); | |
6472 | if (!zvni) { | |
6473 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6474 | return; | |
6475 | } | |
6476 | ||
6477 | num_macs = num_valid_macs(zvni); | |
6478 | if (!num_macs) | |
6479 | return; | |
6480 | ||
6481 | num_macs = num_dup_detected_macs(zvni); | |
6482 | if (!num_macs) | |
6483 | return; | |
6484 | ||
6485 | if (use_json) { | |
6486 | json = json_object_new_object(); | |
6487 | json_mac = json_object_new_object(); | |
6488 | } | |
6489 | ||
6490 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6491 | wctx.zvni = zvni; | |
6492 | wctx.vty = vty; | |
6493 | wctx.json = json_mac; | |
6494 | ||
6495 | if (!use_json) { | |
6496 | vty_out(vty, | |
6497 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6498 | num_macs); | |
6499 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
6500 | "Intf/Remote VTEP", "VLAN"); | |
6501 | } else | |
6502 | json_object_int_add(json, "numMacs", num_macs); | |
6503 | ||
6504 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, &wctx); | |
6505 | ||
6506 | if (use_json) { | |
6507 | json_object_object_add(json, "macs", json_mac); | |
6508 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6509 | json, JSON_C_TO_STRING_PRETTY)); | |
6510 | json_object_free(json); | |
6511 | } | |
6512 | ||
6513 | } | |
6514 | ||
1883de66 CS |
6515 | int zebra_vxlan_clear_dup_detect_vni_mac(struct vty *vty, |
6516 | struct zebra_vrf *zvrf, | |
6517 | vni_t vni, struct ethaddr *macaddr) | |
09de9258 CS |
6518 | { |
6519 | zebra_vni_t *zvni; | |
6520 | zebra_mac_t *mac; | |
6521 | struct listnode *node = NULL; | |
6522 | zebra_neigh_t *nbr = NULL; | |
6523 | ||
6524 | if (!is_evpn_enabled()) | |
1883de66 CS |
6525 | return CMD_SUCCESS; |
6526 | ||
09de9258 CS |
6527 | zvni = zvni_lookup(vni); |
6528 | if (!zvni) { | |
6529 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6530 | return CMD_WARNING; |
09de9258 CS |
6531 | } |
6532 | ||
6533 | mac = zvni_mac_lookup(zvni, macaddr); | |
6534 | if (!mac) { | |
6535 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
6536 | vni); | |
1883de66 | 6537 | return CMD_WARNING; |
09de9258 CS |
6538 | } |
6539 | ||
6540 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
6541 | vty_out(vty, "%% Requested MAC is not duplicate detected\n"); | |
1883de66 | 6542 | return CMD_WARNING; |
09de9258 CS |
6543 | } |
6544 | ||
6545 | /* Remove all IPs as duplicate associcated with this MAC */ | |
6546 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
6547 | /* For local neigh mark inactive so MACIP update is generated | |
6548 | * to BGP. This is a scenario where MAC update received | |
6549 | * and detected as duplicate which marked neigh as duplicate. | |
6550 | * Later local neigh update did not get a chance to relay | |
6551 | * to BGP. Similarly remote macip update, neigh needs to be | |
6552 | * installed locally. | |
6553 | */ | |
d4199657 CS |
6554 | if (zvrf->dad_freeze && |
6555 | CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
09de9258 CS |
6556 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
6557 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
6558 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
6559 | zvni_neigh_install(zvni, nbr); | |
6560 | } | |
6561 | ||
6562 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6563 | nbr->dad_count = 0; | |
6564 | nbr->detect_start_time.tv_sec = 0; | |
6565 | nbr->dad_dup_detect_time = 0; | |
6566 | } | |
6567 | ||
6568 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
6569 | mac->dad_count = 0; | |
6570 | mac->detect_start_time.tv_sec = 0; | |
6571 | mac->detect_start_time.tv_usec = 0; | |
6572 | mac->dad_dup_detect_time = 0; | |
6573 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
6574 | ||
d4199657 CS |
6575 | /* warn-only action return */ |
6576 | if (!zvrf->dad_freeze) | |
6577 | return CMD_SUCCESS; | |
6578 | ||
09de9258 CS |
6579 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ |
6580 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6581 | /* Inform to BGP */ | |
6582 | if (zvni_mac_send_add_to_client(zvni->vni, | |
6583 | &mac->macaddr, | |
6584 | mac->flags, | |
6585 | mac->loc_seq)) | |
1883de66 | 6586 | return CMD_SUCCESS; |
09de9258 CS |
6587 | |
6588 | /* Process all neighbors associated with this MAC. */ | |
6589 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6590 | ||
6591 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
6592 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
6593 | ||
6594 | /* Install the entry. */ | |
6595 | zvni_mac_install(zvni, mac); | |
6596 | } | |
6597 | ||
1883de66 | 6598 | return CMD_SUCCESS; |
09de9258 CS |
6599 | } |
6600 | ||
1883de66 CS |
6601 | int zebra_vxlan_clear_dup_detect_vni_ip(struct vty *vty, |
6602 | struct zebra_vrf *zvrf, | |
6603 | vni_t vni, struct ipaddr *ip) | |
09de9258 CS |
6604 | { |
6605 | zebra_vni_t *zvni; | |
6606 | zebra_neigh_t *nbr; | |
6607 | zebra_mac_t *mac; | |
6608 | char buf[INET6_ADDRSTRLEN]; | |
6609 | char buf2[ETHER_ADDR_STRLEN]; | |
6610 | ||
6611 | if (!is_evpn_enabled()) | |
1883de66 | 6612 | return CMD_SUCCESS; |
09de9258 CS |
6613 | |
6614 | zvni = zvni_lookup(vni); | |
6615 | if (!zvni) { | |
6616 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6617 | return CMD_WARNING; |
09de9258 CS |
6618 | } |
6619 | ||
6620 | nbr = zvni_neigh_lookup(zvni, ip); | |
6621 | if (!nbr) { | |
6622 | vty_out(vty, | |
6623 | "%% Requested host IP does not exist in VNI %u\n", | |
6624 | vni); | |
1883de66 | 6625 | return CMD_WARNING; |
09de9258 CS |
6626 | } |
6627 | ||
6628 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
6629 | ||
6630 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
6631 | vty_out(vty, | |
6632 | "%% Requsted host IP %s is not duplicate detected\n", | |
6633 | buf); | |
1883de66 | 6634 | return CMD_WARNING; |
09de9258 CS |
6635 | } |
6636 | ||
6637 | mac = zvni_mac_lookup(zvni, &nbr->emac); | |
6638 | ||
6639 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
6640 | vty_out(vty, | |
6641 | "%% Requested IP's associated MAC %s is still in duplicate state\n", | |
6642 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2))); | |
1883de66 | 6643 | return CMD_WARNING_CONFIG_FAILED; |
09de9258 CS |
6644 | } |
6645 | ||
6646 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6647 | zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u", | |
6648 | __PRETTY_FUNCTION__, buf, nbr->flags, | |
6649 | nbr->loc_seq); | |
6650 | ||
6651 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6652 | nbr->dad_count = 0; | |
6653 | nbr->detect_start_time.tv_sec = 0; | |
6654 | nbr->detect_start_time.tv_usec = 0; | |
6655 | nbr->dad_dup_detect_time = 0; | |
6656 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
6657 | ||
6658 | if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
6659 | zvni_neigh_send_add_to_client(zvni->vni, ip, | |
6660 | &nbr->emac, | |
6661 | nbr->flags, nbr->loc_seq); | |
6662 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
6663 | zvni_neigh_install(zvni, nbr); | |
6664 | } | |
6665 | ||
1883de66 | 6666 | return CMD_SUCCESS; |
09de9258 CS |
6667 | } |
6668 | ||
e3b78da8 | 6669 | static void zvni_clear_dup_mac_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
6670 | { |
6671 | struct mac_walk_ctx *wctx = ctxt; | |
6672 | zebra_mac_t *mac; | |
6673 | zebra_vni_t *zvni; | |
6674 | struct listnode *node = NULL; | |
6675 | zebra_neigh_t *nbr = NULL; | |
6676 | ||
e3b78da8 | 6677 | mac = (zebra_mac_t *)bucket->data; |
09de9258 CS |
6678 | if (!mac) |
6679 | return; | |
6680 | ||
6681 | zvni = wctx->zvni; | |
6682 | ||
6683 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
6684 | return; | |
6685 | ||
6686 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
6687 | mac->dad_count = 0; | |
6688 | mac->detect_start_time.tv_sec = 0; | |
6689 | mac->detect_start_time.tv_usec = 0; | |
6690 | mac->dad_dup_detect_time = 0; | |
6691 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
6692 | ||
6693 | /* Remove all IPs as duplicate associcated with this MAC */ | |
6694 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
6695 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) | |
6696 | && nbr->dad_count) | |
6697 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
6698 | ||
6699 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6700 | nbr->dad_count = 0; | |
6701 | nbr->detect_start_time.tv_sec = 0; | |
6702 | nbr->dad_dup_detect_time = 0; | |
6703 | } | |
6704 | ||
6705 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ | |
6706 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6707 | /* Inform to BGP */ | |
6708 | if (zvni_mac_send_add_to_client(zvni->vni, | |
6709 | &mac->macaddr, | |
6710 | mac->flags, mac->loc_seq)) | |
6711 | return; | |
6712 | ||
6713 | /* Process all neighbors associated with this MAC. */ | |
6714 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6715 | ||
6716 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
6717 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
6718 | ||
6719 | /* Install the entry. */ | |
6720 | zvni_mac_install(zvni, mac); | |
6721 | } | |
6722 | } | |
6723 | ||
e3b78da8 | 6724 | static void zvni_clear_dup_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
6725 | { |
6726 | struct neigh_walk_ctx *wctx = ctxt; | |
6727 | zebra_neigh_t *nbr; | |
6728 | zebra_vni_t *zvni; | |
6729 | char buf[INET6_ADDRSTRLEN]; | |
6730 | ||
e3b78da8 | 6731 | nbr = (zebra_neigh_t *)bucket->data; |
09de9258 CS |
6732 | if (!nbr) |
6733 | return; | |
6734 | ||
6735 | zvni = wctx->zvni; | |
6736 | ||
6737 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
6738 | return; | |
6739 | ||
6740 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
6741 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
6742 | zlog_debug( | |
6743 | "%s: clear neigh %s dup state, flags 0x%x seq %u", | |
6744 | __PRETTY_FUNCTION__, buf, | |
6745 | nbr->flags, nbr->loc_seq); | |
6746 | } | |
6747 | ||
6748 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6749 | nbr->dad_count = 0; | |
6750 | nbr->detect_start_time.tv_sec = 0; | |
6751 | nbr->detect_start_time.tv_usec = 0; | |
6752 | nbr->dad_dup_detect_time = 0; | |
6753 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
6754 | ||
6755 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
6756 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, | |
6757 | &nbr->emac, | |
6758 | nbr->flags, nbr->loc_seq); | |
6759 | } else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
6760 | zvni_neigh_install(zvni, nbr); | |
6761 | } | |
6762 | } | |
6763 | ||
e3b78da8 | 6764 | static void zvni_clear_dup_detect_hash_vni_all(struct hash_bucket *bucket, |
09de9258 CS |
6765 | void **args) |
6766 | { | |
6767 | struct vty *vty; | |
6768 | zebra_vni_t *zvni; | |
6769 | struct zebra_vrf *zvrf; | |
6770 | struct mac_walk_ctx m_wctx; | |
6771 | struct neigh_walk_ctx n_wctx; | |
6772 | ||
e3b78da8 | 6773 | zvni = (zebra_vni_t *)bucket->data; |
09de9258 CS |
6774 | if (!zvni) |
6775 | return; | |
6776 | ||
6777 | vty = (struct vty *)args[0]; | |
6778 | zvrf = (struct zebra_vrf *)args[1]; | |
6779 | ||
6780 | if (hashcount(zvni->neigh_table)) { | |
6781 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6782 | n_wctx.vty = vty; | |
6783 | n_wctx.zvni = zvni; | |
6784 | n_wctx.zvrf = zvrf; | |
6785 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
6786 | &n_wctx); | |
6787 | } | |
6788 | ||
6789 | if (num_valid_macs(zvni)) { | |
6790 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6791 | m_wctx.zvni = zvni; | |
6792 | m_wctx.vty = vty; | |
6793 | m_wctx.zvrf = zvrf; | |
6794 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
6795 | } | |
6796 | ||
6797 | } | |
6798 | ||
1883de66 | 6799 | int zebra_vxlan_clear_dup_detect_vni_all(struct vty *vty, |
09de9258 CS |
6800 | struct zebra_vrf *zvrf) |
6801 | { | |
6802 | void *args[2]; | |
6803 | ||
6804 | if (!is_evpn_enabled()) | |
1883de66 | 6805 | return CMD_SUCCESS; |
09de9258 CS |
6806 | |
6807 | args[0] = vty; | |
6808 | args[1] = zvrf; | |
6809 | ||
6810 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 6811 | (void (*)(struct hash_bucket *, void *)) |
09de9258 CS |
6812 | zvni_clear_dup_detect_hash_vni_all, args); |
6813 | ||
1883de66 | 6814 | return CMD_SUCCESS; |
09de9258 CS |
6815 | } |
6816 | ||
1883de66 | 6817 | int zebra_vxlan_clear_dup_detect_vni(struct vty *vty, |
09de9258 CS |
6818 | struct zebra_vrf *zvrf, |
6819 | vni_t vni) | |
6820 | { | |
6821 | zebra_vni_t *zvni; | |
6822 | struct mac_walk_ctx m_wctx; | |
6823 | struct neigh_walk_ctx n_wctx; | |
6824 | ||
6825 | if (!is_evpn_enabled()) | |
1883de66 | 6826 | return CMD_SUCCESS; |
09de9258 CS |
6827 | |
6828 | zvni = zvni_lookup(vni); | |
6829 | if (!zvni) { | |
6830 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6831 | return CMD_WARNING; |
09de9258 CS |
6832 | } |
6833 | ||
6834 | if (hashcount(zvni->neigh_table)) { | |
6835 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6836 | n_wctx.vty = vty; | |
6837 | n_wctx.zvni = zvni; | |
6838 | n_wctx.zvrf = zvrf; | |
6839 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
6840 | &n_wctx); | |
6841 | } | |
6842 | ||
6843 | if (num_valid_macs(zvni)) { | |
6844 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6845 | m_wctx.zvni = zvni; | |
6846 | m_wctx.vty = vty; | |
6847 | m_wctx.zvrf = zvrf; | |
6848 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
6849 | } | |
6850 | ||
1883de66 | 6851 | return CMD_SUCCESS; |
09de9258 CS |
6852 | } |
6853 | ||
cec2e17d | 6854 | /* |
6855 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
6856 | */ | |
d62a17ae | 6857 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 6858 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 6859 | bool use_json) |
cec2e17d | 6860 | { |
d62a17ae | 6861 | zebra_vni_t *zvni; |
d7c0a89a | 6862 | uint32_t num_macs; |
d62a17ae | 6863 | struct mac_walk_ctx wctx; |
cd233079 CS |
6864 | json_object *json = NULL; |
6865 | json_object *json_mac = NULL; | |
cec2e17d | 6866 | |
2853fed6 | 6867 | if (!is_evpn_enabled()) |
d62a17ae | 6868 | return; |
2853fed6 | 6869 | zvni = zvni_lookup(vni); |
d62a17ae | 6870 | if (!zvni) { |
cd233079 CS |
6871 | if (use_json) |
6872 | vty_out(vty, "{}\n"); | |
6873 | else | |
6874 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6875 | return; |
6876 | } | |
790f8dc5 | 6877 | num_macs = num_valid_macs(zvni); |
d62a17ae | 6878 | if (!num_macs) |
6879 | return; | |
cd233079 CS |
6880 | |
6881 | if (use_json) { | |
6882 | json = json_object_new_object(); | |
6883 | json_mac = json_object_new_object(); | |
6884 | } | |
6885 | ||
d62a17ae | 6886 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6887 | wctx.zvni = zvni; | |
6888 | wctx.vty = vty; | |
6889 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
6890 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6891 | wctx.json = json_mac; |
d62a17ae | 6892 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
6893 | |
6894 | if (use_json) { | |
6895 | json_object_int_add(json, "numMacs", wctx.count); | |
6896 | if (wctx.count) | |
6897 | json_object_object_add(json, "macs", json_mac); | |
6898 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6899 | json, JSON_C_TO_STRING_PRETTY)); | |
6900 | json_object_free(json); | |
6901 | } | |
cec2e17d | 6902 | } |
6903 | ||
6904 | ||
6905 | /* | |
6906 | * Display VNI information (VTY command handler). | |
6907 | */ | |
cd233079 | 6908 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 6909 | bool use_json) |
cec2e17d | 6910 | { |
cd233079 CS |
6911 | json_object *json = NULL; |
6912 | void *args[2]; | |
1f2129ec | 6913 | zebra_l3vni_t *zl3vni = NULL; |
6914 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 6915 | |
2853fed6 | 6916 | if (!is_evpn_enabled()) |
d62a17ae | 6917 | return; |
4cce389e | 6918 | |
cd233079 CS |
6919 | if (use_json) |
6920 | json = json_object_new_object(); | |
6921 | args[0] = vty; | |
6922 | args[1] = json; | |
4cce389e | 6923 | |
1f2129ec | 6924 | zl3vni = zl3vni_lookup(vni); |
6925 | if (zl3vni) { | |
4cce389e MK |
6926 | zl3vni_print(zl3vni, (void *)args); |
6927 | } else { | |
4cce389e MK |
6928 | zvni = zvni_lookup(vni); |
6929 | if (!zvni) { | |
6930 | if (use_json) | |
6931 | vty_out(vty, "{}\n"); | |
6932 | else | |
6933 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6934 | return; | |
6935 | } | |
6936 | ||
6937 | zvni_print(zvni, (void *)args); | |
6938 | } | |
6939 | ||
cd233079 CS |
6940 | if (use_json) { |
6941 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6942 | json, JSON_C_TO_STRING_PRETTY)); | |
6943 | json_object_free(json); | |
6944 | } | |
cec2e17d | 6945 | } |
6946 | ||
4cce389e | 6947 | /* Display all global details for EVPN */ |
088f1098 | 6948 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 6949 | { |
4cce389e MK |
6950 | int num_l2vnis = 0; |
6951 | int num_l3vnis = 0; | |
d4454626 | 6952 | int num_vnis = 0; |
cd233079 | 6953 | json_object *json = NULL; |
4cce389e | 6954 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 6955 | |
2853fed6 | 6956 | if (!is_evpn_enabled()) |
d62a17ae | 6957 | return; |
4cce389e | 6958 | |
530db8dc | 6959 | zvrf = zebra_vrf_get_evpn(); |
4cce389e MK |
6960 | if (!zvrf) |
6961 | return; | |
6962 | ||
89272910 | 6963 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 6964 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 6965 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
6966 | |
6967 | if (uj) { | |
cd233079 | 6968 | json = json_object_new_object(); |
ddd16ed5 MK |
6969 | json_object_string_add(json, "advertiseGatewayMacip", |
6970 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 6971 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
6972 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
6973 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
61d46eda CS |
6974 | if (zvrf->dup_addr_detect) |
6975 | json_object_boolean_true_add(json, | |
6976 | "isDuplicateAddrDetection"); | |
6977 | else | |
6978 | json_object_boolean_false_add(json, | |
6979 | "isDuplicateAddrDetection"); | |
6980 | json_object_int_add(json, "maxMoves", zvrf->dad_max_moves); | |
6981 | json_object_int_add(json, "detectionTime", zvrf->dad_time); | |
6982 | json_object_int_add(json, "detectionFreezeTime", | |
6983 | zvrf->dad_freeze_time); | |
6984 | ||
cd233079 | 6985 | } else { |
4cce389e MK |
6986 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
6987 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
6988 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
6989 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
278e26de CS |
6990 | vty_out(vty, "Advertise svi mac-ip: %s\n", |
6991 | zvrf->advertise_svi_macip ? "Yes" : "No"); | |
61d46eda CS |
6992 | vty_out(vty, "Duplicate address detection: %s\n", |
6993 | zvrf->dup_addr_detect ? "Enable" : "Disable"); | |
6994 | vty_out(vty, " Detection max-moves %u, time %d\n", | |
6995 | zvrf->dad_max_moves, zvrf->dad_time); | |
6996 | if (zvrf->dad_freeze) { | |
6997 | if (zvrf->dad_freeze_time) | |
6998 | vty_out(vty, " Detection freeze %u\n", | |
6999 | zvrf->dad_freeze_time); | |
7000 | else | |
7001 | vty_out(vty, " Detection freeze %s\n", | |
7002 | "permanent"); | |
7003 | } | |
cd233079 | 7004 | } |
4cce389e MK |
7005 | |
7006 | if (uj) { | |
7007 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7008 | json, JSON_C_TO_STRING_PRETTY)); | |
7009 | json_object_free(json); | |
7010 | } | |
7011 | } | |
7012 | ||
7013 | /* | |
7014 | * Display VNI hash table (VTY command handler). | |
7015 | */ | |
7016 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 7017 | bool use_json) |
4cce389e MK |
7018 | { |
7019 | json_object *json = NULL; | |
4cce389e MK |
7020 | void *args[2]; |
7021 | ||
7022 | if (!is_evpn_enabled()) | |
7023 | return; | |
7024 | ||
4cce389e MK |
7025 | if (use_json) |
7026 | json = json_object_new_object(); | |
7027 | else | |
996c9314 LB |
7028 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
7029 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
7030 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 7031 | |
cd233079 CS |
7032 | args[0] = vty; |
7033 | args[1] = json; | |
7034 | ||
4cce389e | 7035 | /* Display all L2-VNIs */ |
cd233079 | 7036 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 7037 | (void (*)(struct hash_bucket *, void *))zvni_print_hash, |
cd233079 CS |
7038 | args); |
7039 | ||
4cce389e | 7040 | /* Display all L3-VNIs */ |
89272910 | 7041 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 7042 | (void (*)(struct hash_bucket *, void *))zl3vni_print_hash, |
4cce389e MK |
7043 | args); |
7044 | ||
cd233079 CS |
7045 | if (use_json) { |
7046 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7047 | json, JSON_C_TO_STRING_PRETTY)); | |
7048 | json_object_free(json); | |
7049 | } | |
cec2e17d | 7050 | } |
7051 | ||
3950b52c CS |
7052 | void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS) |
7053 | { | |
7054 | struct stream *s; | |
7055 | int time = 0; | |
7056 | uint32_t max_moves = 0; | |
7057 | uint32_t freeze_time = 0; | |
7058 | bool dup_addr_detect = false; | |
7059 | bool freeze = false; | |
7060 | ||
7061 | s = msg; | |
7062 | STREAM_GETL(s, dup_addr_detect); | |
7063 | STREAM_GETL(s, time); | |
7064 | STREAM_GETL(s, max_moves); | |
7065 | STREAM_GETL(s, freeze); | |
7066 | STREAM_GETL(s, freeze_time); | |
7067 | ||
09de9258 CS |
7068 | /* DAD previous state was enabled, and new state is disable, |
7069 | * clear all duplicate detected addresses. | |
7070 | */ | |
7071 | if (zvrf->dup_addr_detect && !dup_addr_detect) | |
7072 | zebra_vxlan_clear_dup_detect_vni_all(NULL, zvrf); | |
7073 | ||
3950b52c CS |
7074 | zvrf->dup_addr_detect = dup_addr_detect; |
7075 | zvrf->dad_time = time; | |
7076 | zvrf->dad_max_moves = max_moves; | |
7077 | zvrf->dad_freeze = freeze; | |
7078 | zvrf->dad_freeze_time = freeze_time; | |
7079 | ||
7080 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7081 | zlog_debug( | |
6005fe55 CS |
7082 | "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u", |
7083 | vrf_id_to_name(zvrf->vrf->vrf_id), | |
3950b52c CS |
7084 | zvrf->dup_addr_detect ? "enable" : "disable", |
7085 | zvrf->dad_max_moves, | |
7086 | zvrf->dad_time, | |
7087 | zvrf->dad_freeze ? "enable" : "disable", | |
7088 | zvrf->dad_freeze_time); | |
7089 | ||
7090 | stream_failure: | |
7091 | return; | |
7092 | } | |
7093 | ||
09af6961 NS |
7094 | /* |
7095 | * Display VNI hash table in detail(VTY command handler). | |
7096 | */ | |
7097 | void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf, | |
7098 | bool use_json) | |
7099 | { | |
7100 | json_object *json = NULL; | |
7101 | struct zebra_ns *zns = NULL; | |
7102 | struct zvni_evpn_show zes; | |
7103 | ||
7104 | if (!is_evpn_enabled()) | |
7105 | return; | |
7106 | ||
7107 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7108 | if (!zns) | |
7109 | return; | |
7110 | ||
7111 | ||
7112 | if (use_json) | |
7113 | json = json_object_new_object(); | |
7114 | ||
7115 | zes.vty = vty; | |
7116 | zes.json = json; | |
7117 | zes.zvrf = zvrf; | |
7118 | ||
7119 | /* Display all L2-VNIs */ | |
2bcb1a7f QY |
7120 | hash_iterate( |
7121 | zvrf->vni_table, | |
7122 | (void (*)(struct hash_bucket *, void *))zvni_print_hash_detail, | |
7123 | &zes); | |
09af6961 NS |
7124 | |
7125 | /* Display all L3-VNIs */ | |
7126 | hash_iterate(zrouter.l3vni_table, | |
e3b78da8 | 7127 | (void (*)(struct hash_bucket *, |
09af6961 NS |
7128 | void *))zl3vni_print_hash_detail, |
7129 | &zes); | |
7130 | ||
7131 | if (use_json) { | |
2bcb1a7f QY |
7132 | vty_out(vty, "%s\n", |
7133 | json_object_to_json_string_ext( | |
7134 | json, JSON_C_TO_STRING_PRETTY)); | |
09af6961 NS |
7135 | json_object_free(json); |
7136 | } | |
7137 | } | |
7138 | ||
2232a77c | 7139 | /* |
ee69da27 MK |
7140 | * Handle neighbor delete notification from the kernel (on a VLAN device |
7141 | * / L3 interface). This may result in either the neighbor getting deleted | |
7142 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 7143 | * remote neighbor). |
7144 | */ | |
ee69da27 MK |
7145 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
7146 | struct interface *link_if, | |
7147 | struct ipaddr *ip) | |
d62a17ae | 7148 | { |
d62a17ae | 7149 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 7150 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
7151 | zebra_neigh_t *n = NULL; |
7152 | zebra_vni_t *zvni = NULL; | |
7153 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 7154 | zebra_l3vni_t *zl3vni = NULL; |
280c70ea | 7155 | struct zebra_vrf *zvrf; |
b7cfce93 | 7156 | |
8c9b80b9 | 7157 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 7158 | * next-hop |
7159 | */ | |
8c9b80b9 MK |
7160 | zl3vni = zl3vni_from_svi(ifp, link_if); |
7161 | if (zl3vni) | |
7162 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 7163 | |
7164 | /* We are only interested in neighbors on an SVI that resides on top | |
7165 | * of a VxLAN bridge. | |
7166 | */ | |
b7cfce93 | 7167 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 7168 | if (!zvni) |
7169 | return 0; | |
8c9b80b9 | 7170 | |
d62a17ae | 7171 | if (!zvni->vxlan_if) { |
9df414fe | 7172 | zlog_debug( |
d62a17ae | 7173 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
7174 | zvni->vni, zvni); | |
7175 | return -1; | |
7176 | } | |
7177 | ||
7178 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 7179 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
7180 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
7181 | ifp->ifindex, zvni->vni); | |
d62a17ae | 7182 | |
7183 | /* If entry doesn't exist, nothing to do. */ | |
7184 | n = zvni_neigh_lookup(zvni, ip); | |
7185 | if (!n) | |
7186 | return 0; | |
7187 | ||
b6938a74 MK |
7188 | zmac = zvni_mac_lookup(zvni, &n->emac); |
7189 | if (!zmac) { | |
7190 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 7191 | zlog_debug( |
2853fed6 | 7192 | "Trying to del a neigh %s without a mac %s on VNI %u", |
7193 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
7194 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
7195 | zvni->vni); | |
7196 | ||
7197 | return 0; | |
7198 | } | |
7199 | ||
d62a17ae | 7200 | /* If it is a remote entry, the kernel has aged this out or someone has |
7201 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
7202 | */ | |
7203 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
7204 | zvni_neigh_install(zvni, n); | |
7205 | return 0; | |
7206 | } | |
7207 | ||
280c70ea CS |
7208 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
7209 | if (!zvrf) { | |
7210 | zlog_debug("%s: VNI %u vrf lookup failed.", | |
7211 | __PRETTY_FUNCTION__, zvni->vni); | |
7212 | return -1; | |
7213 | } | |
7214 | ||
7215 | /* In case of feeze action, if local neigh is in duplicate state, | |
7216 | * Mark the Neigh as inactive before sending delete request to BGPd, | |
7217 | * If BGPd has remote entry, it will re-install | |
7218 | */ | |
7219 | if (zvrf->dad_freeze && | |
7220 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
7221 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
7222 | ||
d62a17ae | 7223 | /* Remove neighbor from BGP. */ |
280c70ea | 7224 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0, n->state); |
d62a17ae | 7225 | |
7226 | /* Delete this neighbor entry. */ | |
7227 | zvni_neigh_del(zvni, n); | |
7228 | ||
b6938a74 MK |
7229 | /* see if the AUTO mac needs to be deleted */ |
7230 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 7231 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
7232 | zvni_mac_del(zvni, zmac); |
7233 | ||
d62a17ae | 7234 | return 0; |
2232a77c | 7235 | } |
7236 | ||
7237 | /* | |
ee69da27 MK |
7238 | * Handle neighbor add or update notification from the kernel (on a VLAN |
7239 | * device / L3 interface). This is typically for a local neighbor but can | |
7240 | * also be for a remote neighbor (e.g., ageout notification). It could | |
7241 | * also be a "move" scenario. | |
2232a77c | 7242 | */ |
ee69da27 MK |
7243 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
7244 | struct interface *link_if, | |
7245 | struct ipaddr *ip, | |
7246 | struct ethaddr *macaddr, | |
7247 | uint16_t state, | |
a37f4598 | 7248 | bool is_ext, |
7249 | bool is_router) | |
d62a17ae | 7250 | { |
d62a17ae | 7251 | char buf[ETHER_ADDR_STRLEN]; |
7252 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 7253 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 7254 | zebra_l3vni_t *zl3vni = NULL; |
7255 | ||
7256 | /* check if this is a remote neigh entry corresponding to remote | |
7257 | * next-hop | |
7258 | */ | |
7259 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
7260 | if (zl3vni) | |
7261 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 7262 | |
d62a17ae | 7263 | /* We are only interested in neighbors on an SVI that resides on top |
7264 | * of a VxLAN bridge. | |
7265 | */ | |
b7cfce93 | 7266 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 7267 | if (!zvni) |
7268 | return 0; | |
7269 | ||
d62a17ae | 7270 | if (IS_ZEBRA_DEBUG_VXLAN) |
7271 | zlog_debug( | |
54c17425 | 7272 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 7273 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 7274 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 7275 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
7276 | is_router ? "router " : "", | |
8c9b80b9 | 7277 | zvni->vni); |
d62a17ae | 7278 | |
ee69da27 | 7279 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 7280 | if (!is_ext) |
68e33151 | 7281 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 7282 | is_router); |
b7cfce93 | 7283 | |
ee69da27 | 7284 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 7285 | } |
7286 | ||
b682f6de | 7287 | |
2232a77c | 7288 | /* |
7289 | * Handle message from client to delete a remote MACIP for a VNI. | |
7290 | */ | |
89f4e507 | 7291 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 7292 | { |
7293 | struct stream *s; | |
7294 | vni_t vni; | |
7295 | struct ethaddr macaddr; | |
7296 | struct ipaddr ip; | |
7297 | struct in_addr vtep_ip; | |
9df2b997 | 7298 | uint16_t l = 0, ipa_len; |
d62a17ae | 7299 | char buf[ETHER_ADDR_STRLEN]; |
7300 | char buf1[INET6_ADDRSTRLEN]; | |
7301 | ||
b7cfce93 | 7302 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7303 | memset(&ip, 0, sizeof(struct ipaddr)); |
7304 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7305 | ||
1002497a | 7306 | s = msg; |
d62a17ae | 7307 | |
89f4e507 | 7308 | while (l < hdr->length) { |
d62a17ae | 7309 | /* Obtain each remote MACIP and process. */ |
7310 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
7311 | * followed by remote VTEP IP. | |
7312 | */ | |
d62a17ae | 7313 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
7314 | STREAM_GETL(s, vni); |
7315 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
7316 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 7317 | if (ipa_len) { |
7318 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
7319 | : IPADDR_V6; | |
ec93aa12 | 7320 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 7321 | } |
ff8b7eb8 | 7322 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 7323 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7324 | l += IPV4_MAX_BYTELEN; |
7325 | ||
7326 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7327 | zlog_debug( | |
f07e1c99 | 7328 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
7329 | vni, | |
d62a17ae | 7330 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7331 | ipa_len ? " IP " : "", |
7332 | ipa_len ? | |
7333 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 7334 | inet_ntoa(vtep_ip), |
7335 | zebra_route_string(client->proto)); | |
7336 | ||
f07e1c99 | 7337 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 7338 | } |
7339 | ||
ec93aa12 | 7340 | stream_failure: |
8068a649 | 7341 | return; |
2232a77c | 7342 | } |
7343 | ||
7344 | /* | |
7345 | * Handle message from client to add a remote MACIP for a VNI. This | |
7346 | * could be just the add of a MAC address or the add of a neighbor | |
7347 | * (IP+MAC). | |
7348 | */ | |
89f4e507 | 7349 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 7350 | { |
7351 | struct stream *s; | |
7352 | vni_t vni; | |
7353 | struct ethaddr macaddr; | |
7354 | struct ipaddr ip; | |
7355 | struct in_addr vtep_ip; | |
9df2b997 | 7356 | uint16_t l = 0, ipa_len; |
f07e1c99 | 7357 | uint8_t flags = 0; |
7358 | uint32_t seq; | |
d62a17ae | 7359 | char buf[ETHER_ADDR_STRLEN]; |
7360 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 7361 | |
b7cfce93 | 7362 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7363 | memset(&ip, 0, sizeof(struct ipaddr)); |
7364 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7365 | ||
ec93aa12 | 7366 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 7367 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 7368 | return; |
ec93aa12 | 7369 | } |
d62a17ae | 7370 | |
1002497a | 7371 | s = msg; |
d62a17ae | 7372 | |
89f4e507 | 7373 | while (l < hdr->length) { |
d62a17ae | 7374 | /* Obtain each remote MACIP and process. */ |
7375 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
7376 | * followed by remote VTEP IP. | |
7377 | */ | |
d62a17ae | 7378 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
7379 | STREAM_GETL(s, vni); |
7380 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
7381 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 7382 | if (ipa_len) { |
7383 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
7384 | : IPADDR_V6; | |
ec93aa12 | 7385 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 7386 | } |
ff8b7eb8 | 7387 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 7388 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7389 | l += IPV4_MAX_BYTELEN; |
7390 | ||
ead40654 | 7391 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 7392 | STREAM_GETC(s, flags); |
d62a17ae | 7393 | l++; |
f07e1c99 | 7394 | STREAM_GETL(s, seq); |
7395 | l += 4; | |
d62a17ae | 7396 | |
7397 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7398 | zlog_debug( | |
f07e1c99 | 7399 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
7400 | vni, | |
d62a17ae | 7401 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7402 | ipa_len ? " IP " : "", |
7403 | ipa_len ? | |
7404 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
7405 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 7406 | zebra_route_string(client->proto)); |
7407 | ||
f07e1c99 | 7408 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
7409 | flags, seq, vtep_ip); | |
d62a17ae | 7410 | } |
7411 | ||
ec93aa12 | 7412 | stream_failure: |
8068a649 | 7413 | return; |
13d60d35 | 7414 | } |
7415 | ||
7416 | /* | |
2232a77c | 7417 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
7418 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
7419 | * of any prior local MAC. | |
13d60d35 | 7420 | */ |
d62a17ae | 7421 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
7422 | struct interface *br_if, | |
7423 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7424 | { |
d62a17ae | 7425 | struct zebra_if *zif; |
d62a17ae | 7426 | struct zebra_l2info_vxlan *vxl; |
7427 | vni_t vni; | |
7428 | zebra_vni_t *zvni; | |
7429 | zebra_mac_t *mac; | |
7430 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 7431 | |
d62a17ae | 7432 | zif = ifp->info; |
7433 | assert(zif); | |
7434 | vxl = &zif->l2info.vxl; | |
7435 | vni = vxl->vni; | |
13d60d35 | 7436 | |
2853fed6 | 7437 | /* Check if EVPN is enabled. */ |
7438 | if (!is_evpn_enabled()) | |
d62a17ae | 7439 | return 0; |
13d60d35 | 7440 | |
d62a17ae | 7441 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7442 | zvni = zvni_lookup(vni); |
d62a17ae | 7443 | if (!zvni) |
7444 | return 0; | |
13d60d35 | 7445 | |
d62a17ae | 7446 | /* If entry doesn't exist, nothing to do. */ |
7447 | mac = zvni_mac_lookup(zvni, macaddr); | |
7448 | if (!mac) | |
7449 | return 0; | |
13d60d35 | 7450 | |
d62a17ae | 7451 | /* Is it a local entry? */ |
7452 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7453 | return 0; | |
13d60d35 | 7454 | |
d62a17ae | 7455 | if (IS_ZEBRA_DEBUG_VXLAN) |
7456 | zlog_debug( | |
2853fed6 | 7457 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
7458 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7459 | ifp->ifindex, vni); | |
13d60d35 | 7460 | |
d62a17ae | 7461 | /* Remove MAC from BGP. */ |
e98e4b88 | 7462 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
13d60d35 | 7463 | |
b6938a74 MK |
7464 | /* |
7465 | * If there are no neigh associated with the mac delete the mac | |
7466 | * else mark it as AUTO for forward reference | |
7467 | */ | |
7468 | if (!listcount(mac->neigh_list)) { | |
7469 | zvni_mac_del(zvni, mac); | |
7470 | } else { | |
7471 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7472 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7473 | } | |
13d60d35 | 7474 | |
d62a17ae | 7475 | return 0; |
13d60d35 | 7476 | } |
7477 | ||
7478 | /* | |
2232a77c | 7479 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
7480 | * This can happen because the remote MAC entries are also added as "dynamic", | |
7481 | * so the kernel can ageout the entry. | |
13d60d35 | 7482 | */ |
d62a17ae | 7483 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
7484 | struct interface *br_if, | |
7485 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7486 | { |
a9a76262 MK |
7487 | struct zebra_if *zif = NULL; |
7488 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 7489 | vni_t vni; |
a9a76262 MK |
7490 | zebra_vni_t *zvni = NULL; |
7491 | zebra_l3vni_t *zl3vni = NULL; | |
7492 | zebra_mac_t *mac = NULL; | |
d62a17ae | 7493 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 7494 | |
d62a17ae | 7495 | zif = ifp->info; |
7496 | assert(zif); | |
7497 | vxl = &zif->l2info.vxl; | |
7498 | vni = vxl->vni; | |
2232a77c | 7499 | |
2853fed6 | 7500 | /* Check if EVPN is enabled. */ |
7501 | if (!is_evpn_enabled()) | |
d62a17ae | 7502 | return 0; |
2232a77c | 7503 | |
a9a76262 MK |
7504 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
7505 | zl3vni = zl3vni_lookup(vni); | |
7506 | if (zl3vni) | |
7507 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
7508 | ||
d62a17ae | 7509 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7510 | zvni = zvni_lookup(vni); |
d62a17ae | 7511 | if (!zvni) |
7512 | return 0; | |
13d60d35 | 7513 | |
d62a17ae | 7514 | /* If entry doesn't exist, nothing to do. */ |
7515 | mac = zvni_mac_lookup(zvni, macaddr); | |
7516 | if (!mac) | |
7517 | return 0; | |
2232a77c | 7518 | |
d62a17ae | 7519 | /* Is it a remote entry? */ |
7520 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
7521 | return 0; | |
2232a77c | 7522 | |
d62a17ae | 7523 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7524 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 7525 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7526 | ifp->ifindex, vni); | |
13d60d35 | 7527 | |
d62a17ae | 7528 | zvni_mac_install(zvni, mac); |
7529 | return 0; | |
13d60d35 | 7530 | } |
7531 | ||
7532 | /* | |
2232a77c | 7533 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 7534 | */ |
d62a17ae | 7535 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
7536 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7537 | { |
d62a17ae | 7538 | zebra_vni_t *zvni; |
7539 | zebra_mac_t *mac; | |
d62a17ae | 7540 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 7541 | |
d62a17ae | 7542 | /* We are interested in MACs only on ports or (port, VLAN) that |
7543 | * map to a VNI. | |
7544 | */ | |
7545 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
7546 | if (!zvni) | |
7547 | return 0; | |
7548 | if (!zvni->vxlan_if) { | |
9df414fe QY |
7549 | zlog_debug( |
7550 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
7551 | zvni->vni, zvni); | |
d62a17ae | 7552 | return -1; |
7553 | } | |
13d60d35 | 7554 | |
d62a17ae | 7555 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 7556 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 7557 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7558 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 7559 | |
d62a17ae | 7560 | /* If entry doesn't exist, nothing to do. */ |
7561 | mac = zvni_mac_lookup(zvni, macaddr); | |
7562 | if (!mac) | |
7563 | return 0; | |
2232a77c | 7564 | |
d62a17ae | 7565 | /* Is it a local entry? */ |
7566 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7567 | return 0; | |
2232a77c | 7568 | |
b6938a74 | 7569 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 7570 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 7571 | |
f07e1c99 | 7572 | /* Remove MAC from BGP. */ |
e98e4b88 | 7573 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
f07e1c99 | 7574 | |
b6938a74 MK |
7575 | /* |
7576 | * If there are no neigh associated with the mac delete the mac | |
7577 | * else mark it as AUTO for forward reference | |
7578 | */ | |
7579 | if (!listcount(mac->neigh_list)) { | |
7580 | zvni_mac_del(zvni, mac); | |
7581 | } else { | |
7582 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7583 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7584 | } | |
2232a77c | 7585 | |
d62a17ae | 7586 | return 0; |
13d60d35 | 7587 | } |
7588 | ||
7589 | /* | |
2232a77c | 7590 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 7591 | */ |
d62a17ae | 7592 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
7593 | struct interface *br_if, | |
7594 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 7595 | bool sticky) |
d62a17ae | 7596 | { |
7597 | zebra_vni_t *zvni; | |
7598 | zebra_mac_t *mac; | |
e22a946a | 7599 | struct zebra_vrf *zvrf; |
d62a17ae | 7600 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 7601 | bool mac_sticky = false; |
7602 | bool inform_client = false; | |
7603 | bool upd_neigh = false; | |
a4445ece | 7604 | bool is_dup_detect = false; |
e22a946a | 7605 | struct in_addr vtep_ip = {.s_addr = 0}; |
d62a17ae | 7606 | |
7607 | /* We are interested in MACs only on ports or (port, VLAN) that | |
7608 | * map to a VNI. | |
7609 | */ | |
7610 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
7611 | if (!zvni) { | |
7612 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7613 | zlog_debug( | |
28bd0652 | 7614 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
2853fed6 | 7615 | sticky ? "sticky " : "", |
d62a17ae | 7616 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
7617 | ifp->name, ifp->ifindex, vid); | |
7618 | return 0; | |
7619 | } | |
7620 | ||
7621 | if (!zvni->vxlan_if) { | |
28bd0652 DS |
7622 | if (IS_ZEBRA_DEBUG_VXLAN) |
7623 | zlog_debug( | |
7624 | "\tVNI %u hash %p doesn't have intf upon local MAC ADD", | |
7625 | zvni->vni, zvni); | |
d62a17ae | 7626 | return -1; |
7627 | } | |
7628 | ||
e22a946a | 7629 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
7630 | if (!zvrf) { |
7631 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7632 | zlog_debug("\tNo Vrf found for vrf_id: %d", | |
7633 | zvni->vxlan_if->vrf_id); | |
e22a946a | 7634 | return -1; |
28bd0652 | 7635 | } |
e22a946a | 7636 | |
f07e1c99 | 7637 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 7638 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 7639 | if (!mac) { |
7640 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7641 | zlog_debug( | |
7642 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
7643 | sticky ? "sticky " : "", | |
7644 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7645 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 7646 | |
f07e1c99 | 7647 | mac = zvni_mac_add(zvni, macaddr); |
7648 | if (!mac) { | |
7649 | flog_err( | |
e914ccbe | 7650 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 7651 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
7652 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7653 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
7654 | return -1; | |
7655 | } | |
7656 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7657 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7658 | mac->fwd_info.local.vid = vid; | |
7659 | if (sticky) | |
7660 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7661 | inform_client = true; | |
7662 | ||
7663 | } else { | |
7664 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7665 | zlog_debug( | |
7666 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
7667 | sticky ? "sticky " : "", | |
7668 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7669 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
7670 | mac->flags); | |
7671 | ||
7672 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
7673 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
7674 | mac_sticky = true; | |
b6938a74 | 7675 | |
b8ce75a5 | 7676 | /* |
f07e1c99 | 7677 | * Update any changes and if changes are relevant to |
7678 | * BGP, note it. | |
b8ce75a5 | 7679 | */ |
d62a17ae | 7680 | if (mac_sticky == sticky |
7681 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
7682 | && mac->fwd_info.local.vid == vid) { | |
7683 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7684 | zlog_debug( | |
28bd0652 | 7685 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 7686 | "entry exists and has not changed ", |
d62a17ae | 7687 | sticky ? "sticky " : "", |
7688 | prefix_mac2str(macaddr, buf, | |
7689 | sizeof(buf)), | |
7690 | ifp->name, ifp->ifindex, vid, | |
7691 | zvni->vni); | |
7692 | return 0; | |
b6938a74 | 7693 | } |
f07e1c99 | 7694 | if (mac_sticky != sticky) { |
7695 | if (sticky) | |
7696 | SET_FLAG(mac->flags, | |
7697 | ZEBRA_MAC_STICKY); | |
7698 | else | |
7699 | UNSET_FLAG(mac->flags, | |
7700 | ZEBRA_MAC_STICKY); | |
7701 | inform_client = true; | |
7702 | } | |
7703 | ||
7704 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
7705 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7706 | mac->fwd_info.local.vid = vid; | |
7707 | ||
7708 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
7709 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
e22a946a | 7710 | bool do_dad = false; |
f07e1c99 | 7711 | |
421bb26a | 7712 | /* |
f07e1c99 | 7713 | * MAC has either moved or was "internally" created due |
7714 | * to a neighbor learn and is now actually learnt. If | |
7715 | * it was learnt as a remote sticky MAC, this is an | |
7716 | * operator error. | |
421bb26a | 7717 | */ |
8f4b98ee | 7718 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 7719 | flog_warn( |
e914ccbe | 7720 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 7721 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
7722 | prefix_mac2str(macaddr, buf, |
7723 | sizeof(buf)), | |
7724 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
7725 | zvni->vni); | |
8f4b98ee MK |
7726 | return 0; |
7727 | } | |
d62a17ae | 7728 | |
f07e1c99 | 7729 | /* If an actual move, compute MAC's seq number */ |
e22a946a | 7730 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
f07e1c99 | 7731 | mac->loc_seq = MAX(mac->rem_seq + 1, |
7732 | mac->loc_seq); | |
e22a946a CS |
7733 | vtep_ip = mac->fwd_info.r_vtep_ip; |
7734 | /* Trigger DAD for remote MAC */ | |
7735 | do_dad = true; | |
7736 | } | |
7737 | ||
f07e1c99 | 7738 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
7739 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7740 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7741 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
7742 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7743 | mac->fwd_info.local.vid = vid; | |
7744 | if (sticky) | |
7745 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7746 | else | |
7747 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7748 | /* | |
7749 | * We have to inform BGP of this MAC as well as process | |
7750 | * all neighbors. | |
7751 | */ | |
7752 | inform_client = true; | |
7753 | upd_neigh = true; | |
e22a946a | 7754 | |
bdca1974 CS |
7755 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, vtep_ip, |
7756 | do_dad, | |
a4445ece | 7757 | &is_dup_detect, |
bdca1974 | 7758 | true); |
a4445ece CS |
7759 | if (is_dup_detect) { |
7760 | inform_client = false; | |
7761 | upd_neigh = false; | |
7762 | } | |
d62a17ae | 7763 | } |
7764 | } | |
7765 | ||
d62a17ae | 7766 | /* Inform BGP if required. */ |
f07e1c99 | 7767 | if (inform_client) { |
7768 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
7769 | mac->flags, mac->loc_seq)) | |
7770 | return -1; | |
b6938a74 | 7771 | } |
d62a17ae | 7772 | |
f07e1c99 | 7773 | /* Process all neighbors associated with this MAC, if required. */ |
7774 | if (upd_neigh) | |
7775 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
7776 | ||
d62a17ae | 7777 | return 0; |
2232a77c | 7778 | } |
13d60d35 | 7779 | |
7780 | /* | |
7781 | * Handle message from client to delete a remote VTEP for a VNI. | |
7782 | */ | |
89f4e507 | 7783 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 7784 | { |
7785 | struct stream *s; | |
d7c0a89a | 7786 | unsigned short l = 0; |
d62a17ae | 7787 | vni_t vni; |
7788 | struct in_addr vtep_ip; | |
7789 | zebra_vni_t *zvni; | |
7790 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 7791 | struct interface *ifp; |
7792 | struct zebra_if *zif; | |
d62a17ae | 7793 | |
ec93aa12 | 7794 | if (!is_evpn_enabled()) { |
9df414fe | 7795 | zlog_debug( |
996c9314 LB |
7796 | "%s: EVPN is not enabled yet we have received a vtep del command", |
7797 | __PRETTY_FUNCTION__); | |
8068a649 | 7798 | return; |
ec93aa12 DS |
7799 | } |
7800 | ||
986512a3 | 7801 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
7802 | zlog_debug("Recv MACIP DEL for non-EVPN VRF %u", |
7803 | zvrf_id(zvrf)); | |
8068a649 | 7804 | return; |
2853fed6 | 7805 | } |
7806 | ||
1002497a | 7807 | s = msg; |
d62a17ae | 7808 | |
89f4e507 | 7809 | while (l < hdr->length) { |
d62a17ae | 7810 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 7811 | STREAM_GETL(s, vni); |
d62a17ae | 7812 | l += 4; |
ec93aa12 | 7813 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7814 | l += IPV4_MAX_BYTELEN; |
7815 | ||
7816 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 7817 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
7818 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 7819 | zebra_route_string(client->proto)); |
7820 | ||
7821 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 7822 | zvni = zvni_lookup(vni); |
d62a17ae | 7823 | if (!zvni) { |
7824 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7825 | zlog_debug( | |
7826 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 7827 | "VNI %u", |
7828 | vni); | |
d62a17ae | 7829 | continue; |
7830 | } | |
7831 | ||
b5ebdc9b | 7832 | ifp = zvni->vxlan_if; |
7833 | if (!ifp) { | |
9df414fe | 7834 | zlog_debug( |
60466a63 QY |
7835 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
7836 | zvni->vni, zvni); | |
b682f6de | 7837 | continue; |
b5ebdc9b | 7838 | } |
7839 | zif = ifp->info; | |
7840 | ||
7841 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7842 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 7843 | continue; |
7844 | ||
d62a17ae | 7845 | /* If the remote VTEP does not exist, there's nothing more to |
7846 | * do. | |
7847 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
7848 | * and | |
7849 | * then, the VTEP entry itself and remove it. | |
7850 | */ | |
7851 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
7852 | if (!zvtep) | |
7853 | continue; | |
7854 | ||
7855 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
7856 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
7857 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
7858 | zvni_vtep_del(zvni, zvtep); | |
7859 | } | |
7860 | ||
ec93aa12 | 7861 | stream_failure: |
8068a649 | 7862 | return; |
13d60d35 | 7863 | } |
7864 | ||
7865 | /* | |
7866 | * Handle message from client to add a remote VTEP for a VNI. | |
7867 | */ | |
89f4e507 | 7868 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 7869 | { |
7870 | struct stream *s; | |
d7c0a89a | 7871 | unsigned short l = 0; |
d62a17ae | 7872 | vni_t vni; |
7873 | struct in_addr vtep_ip; | |
7874 | zebra_vni_t *zvni; | |
b5ebdc9b | 7875 | struct interface *ifp; |
7876 | struct zebra_if *zif; | |
d62a17ae | 7877 | |
ec93aa12 | 7878 | if (!is_evpn_enabled()) { |
9df414fe | 7879 | zlog_debug( |
996c9314 LB |
7880 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
7881 | __PRETTY_FUNCTION__); | |
8068a649 | 7882 | return; |
ec93aa12 DS |
7883 | } |
7884 | ||
986512a3 | 7885 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
7886 | zlog_debug("Recv MACIP ADD for non-EVPN VRF %u", |
7887 | zvrf_id(zvrf)); | |
8068a649 | 7888 | return; |
2853fed6 | 7889 | } |
d62a17ae | 7890 | |
1002497a | 7891 | s = msg; |
d62a17ae | 7892 | |
89f4e507 | 7893 | while (l < hdr->length) { |
d62a17ae | 7894 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 7895 | STREAM_GETL(s, vni); |
d62a17ae | 7896 | l += 4; |
ec93aa12 | 7897 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7898 | l += IPV4_MAX_BYTELEN; |
7899 | ||
7900 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 7901 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
7902 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 7903 | zebra_route_string(client->proto)); |
7904 | ||
7905 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 7906 | zvni = zvni_lookup(vni); |
d62a17ae | 7907 | if (!zvni) { |
af4c2728 | 7908 | flog_err( |
e914ccbe | 7909 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 7910 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
7911 | vni); | |
d62a17ae | 7912 | continue; |
7913 | } | |
b5ebdc9b | 7914 | |
7915 | ifp = zvni->vxlan_if; | |
7916 | if (!ifp) { | |
af4c2728 | 7917 | flog_err( |
e914ccbe | 7918 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 7919 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
7920 | zvni->vni, zvni); | |
7921 | continue; | |
7922 | } | |
7923 | ||
b5ebdc9b | 7924 | zif = ifp->info; |
d62a17ae | 7925 | |
b5ebdc9b | 7926 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 7927 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 7928 | continue; |
7929 | ||
b682f6de | 7930 | /* If the remote VTEP already exists, |
7931 | there's nothing more to do. */ | |
b5ebdc9b | 7932 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 7933 | continue; |
7934 | ||
7935 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 7936 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
7937 | "Failed to add remote VTEP, VNI %u zvni %p", |
7938 | vni, zvni); | |
d62a17ae | 7939 | continue; |
7940 | } | |
7941 | ||
7942 | zvni_vtep_install(zvni, &vtep_ip); | |
7943 | } | |
7944 | ||
ec93aa12 | 7945 | stream_failure: |
8068a649 | 7946 | return; |
13d60d35 | 7947 | } |
7948 | ||
1a98c087 MK |
7949 | /* |
7950 | * Add/Del gateway macip to evpn | |
7951 | * g/w can be: | |
7952 | * 1. SVI interface on a vlan aware bridge | |
7953 | * 2. SVI interface on a vlan unaware bridge | |
7954 | * 3. vrr interface (MACVLAN) associated to a SVI | |
7955 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
7956 | */ | |
7957 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
7958 | int add) | |
7959 | { | |
7960 | struct ipaddr ip; | |
7961 | struct ethaddr macaddr; | |
7962 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
7963 | |
7964 | memset(&ip, 0, sizeof(struct ipaddr)); | |
7965 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
7966 | ||
2853fed6 | 7967 | /* Check if EVPN is enabled. */ |
7968 | if (!is_evpn_enabled()) | |
297a21b6 MK |
7969 | return 0; |
7970 | ||
1a98c087 MK |
7971 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
7972 | struct interface *svi_if = | |
7973 | NULL; /* SVI corresponding to the MACVLAN */ | |
7974 | struct zebra_if *ifp_zif = | |
7975 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
7976 | struct zebra_if *svi_if_zif = | |
7977 | NULL; /* Zebra daemon specific info for SVI*/ | |
7978 | ||
7979 | ifp_zif = ifp->info; | |
7980 | if (!ifp_zif) | |
7981 | return -1; | |
7982 | ||
71349e03 MK |
7983 | /* |
7984 | * for a MACVLAN interface the link represents the svi_if | |
7985 | */ | |
7986 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
7987 | ifp_zif->link_ifindex); | |
1a98c087 | 7988 | if (!svi_if) { |
9df414fe QY |
7989 | zlog_debug("MACVLAN %s(%u) without link information", |
7990 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
7991 | return -1; |
7992 | } | |
7993 | ||
7994 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
7995 | /* |
7996 | * If it is a vlan aware bridge then the link gives the | |
7997 | * bridge information | |
7998 | */ | |
7999 | struct interface *svi_if_link = NULL; | |
8000 | ||
1a98c087 | 8001 | svi_if_zif = svi_if->info; |
71349e03 MK |
8002 | if (svi_if_zif) { |
8003 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
8004 | zebra_ns_lookup(NS_DEFAULT), |
8005 | svi_if_zif->link_ifindex); | |
b7cfce93 | 8006 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 8007 | } |
1a98c087 | 8008 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
8009 | /* |
8010 | * If it is a vlan unaware bridge then svi is the bridge | |
8011 | * itself | |
8012 | */ | |
b7cfce93 | 8013 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
8014 | } |
8015 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
8016 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
8017 | NULL; /* Zebra daemon specific info for SVI */ |
8018 | struct interface *svi_if_link = | |
8019 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
8020 | |
8021 | svi_if_zif = ifp->info; | |
e3bb770c IS |
8022 | if (svi_if_zif) { |
8023 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
8024 | zebra_ns_lookup(NS_DEFAULT), |
8025 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
8026 | if (svi_if_link) |
8027 | zvni = zvni_from_svi(ifp, svi_if_link); | |
8028 | } | |
1a98c087 | 8029 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 8030 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
8031 | } |
8032 | ||
8033 | if (!zvni) | |
8034 | return 0; | |
8035 | ||
8036 | if (!zvni->vxlan_if) { | |
9df414fe QY |
8037 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
8038 | zvni->vni, zvni); | |
1a98c087 MK |
8039 | return -1; |
8040 | } | |
8041 | ||
1a98c087 | 8042 | |
1a98c087 MK |
8043 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
8044 | ||
8045 | if (p->family == AF_INET) { | |
8046 | ip.ipa_type = IPADDR_V4; | |
8047 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
8048 | sizeof(struct in_addr)); | |
8049 | } else if (p->family == AF_INET6) { | |
8050 | ip.ipa_type = IPADDR_V6; | |
8051 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
8052 | sizeof(struct in6_addr)); | |
8053 | } | |
8054 | ||
8055 | ||
8056 | if (add) | |
8057 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
8058 | else | |
8059 | zvni_gw_macip_del(ifp, zvni, &ip); | |
8060 | ||
8061 | return 0; | |
8062 | } | |
8063 | ||
2232a77c | 8064 | /* |
b7cfce93 MK |
8065 | * Handle SVI interface going down. |
8066 | * SVI can be associated to either L3-VNI or L2-VNI. | |
8067 | * For L2-VNI: At this point, this is a NOP since | |
8068 | * the kernel deletes the neighbor entries on this SVI (if any). | |
8069 | * We only need to update the vrf corresponding to zvni. | |
8070 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
8071 | * from bgp | |
2232a77c | 8072 | */ |
d62a17ae | 8073 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 8074 | { |
b7cfce93 MK |
8075 | zebra_l3vni_t *zl3vni = NULL; |
8076 | ||
8077 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
8078 | if (zl3vni) { | |
8079 | ||
8080 | /* process l3-vni down */ | |
8081 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8082 | ||
8083 | /* remove association with svi-if */ | |
8084 | zl3vni->svi_if = NULL; | |
8085 | } else { | |
8086 | zebra_vni_t *zvni = NULL; | |
8087 | ||
8088 | /* since we dont have svi corresponding to zvni, we associate it | |
8089 | * to default vrf. Note: the corresponding neigh entries on the | |
8090 | * SVI would have already been deleted */ | |
8091 | zvni = zvni_from_svi(ifp, link_if); | |
8092 | if (zvni) { | |
8093 | zvni->vrf_id = VRF_DEFAULT; | |
8094 | ||
8095 | /* update the tenant vrf in BGP */ | |
8096 | zvni_send_add_to_client(zvni); | |
8097 | } | |
8098 | } | |
d62a17ae | 8099 | return 0; |
2232a77c | 8100 | } |
8101 | ||
8102 | /* | |
b7cfce93 MK |
8103 | * Handle SVI interface coming up. |
8104 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
8105 | * vxlan intf). | |
8106 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
8107 | * apr-suppression) | |
8108 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 8109 | */ |
d62a17ae | 8110 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 8111 | { |
b7cfce93 MK |
8112 | zebra_vni_t *zvni = NULL; |
8113 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 8114 | |
b7cfce93 MK |
8115 | zl3vni = zl3vni_from_svi(ifp, link_if); |
8116 | if (zl3vni) { | |
2232a77c | 8117 | |
b7cfce93 MK |
8118 | /* associate with svi */ |
8119 | zl3vni->svi_if = ifp; | |
2232a77c | 8120 | |
b7cfce93 MK |
8121 | /* process oper-up */ |
8122 | if (is_l3vni_oper_up(zl3vni)) | |
8123 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8124 | } else { | |
8125 | ||
8126 | /* process SVI up for l2-vni */ | |
8127 | struct neigh_walk_ctx n_wctx; | |
8128 | ||
8129 | zvni = zvni_from_svi(ifp, link_if); | |
8130 | if (!zvni) | |
8131 | return 0; | |
8132 | ||
8133 | if (!zvni->vxlan_if) { | |
9df414fe | 8134 | zlog_debug( |
43e52561 QY |
8135 | "VNI %u hash %p doesn't have intf upon SVI up", |
8136 | zvni->vni, zvni); | |
b7cfce93 MK |
8137 | return -1; |
8138 | } | |
8139 | ||
8140 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8141 | zlog_debug( |
8142 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
8143 | ifp->name, ifp->ifindex, zvni->vni, | |
8144 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 8145 | |
b7cfce93 MK |
8146 | /* update the vrf information for l2-vni and inform bgp */ |
8147 | zvni->vrf_id = ifp->vrf_id; | |
8148 | zvni_send_add_to_client(zvni); | |
8149 | ||
8150 | /* Install any remote neighbors for this VNI. */ | |
8151 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
8152 | n_wctx.zvni = zvni; | |
996c9314 | 8153 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
8154 | &n_wctx); |
8155 | } | |
2232a77c | 8156 | |
d62a17ae | 8157 | return 0; |
2232a77c | 8158 | } |
8159 | ||
13d60d35 | 8160 | /* |
b7cfce93 | 8161 | * Handle VxLAN interface down |
13d60d35 | 8162 | */ |
d62a17ae | 8163 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 8164 | { |
d62a17ae | 8165 | vni_t vni; |
b7cfce93 MK |
8166 | struct zebra_if *zif = NULL; |
8167 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8168 | zebra_l3vni_t *zl3vni = NULL; |
8169 | zebra_vni_t *zvni; | |
13d60d35 | 8170 | |
2853fed6 | 8171 | /* Check if EVPN is enabled. */ |
8172 | if (!is_evpn_enabled()) | |
d62a17ae | 8173 | return 0; |
13d60d35 | 8174 | |
d62a17ae | 8175 | zif = ifp->info; |
8176 | assert(zif); | |
8177 | vxl = &zif->l2info.vxl; | |
8178 | vni = vxl->vni; | |
13d60d35 | 8179 | |
643215ce | 8180 | zl3vni = zl3vni_lookup(vni); |
8181 | if (zl3vni) { | |
b7cfce93 | 8182 | /* process-if-down for l3-vni */ |
b7cfce93 | 8183 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8184 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
8185 | ifp->ifindex, vni); | |
b7cfce93 | 8186 | |
b7cfce93 | 8187 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
8188 | } else { |
8189 | /* process if-down for l2-vni */ | |
b7cfce93 | 8190 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8191 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
8192 | ifp->ifindex, vni); | |
13d60d35 | 8193 | |
b7cfce93 MK |
8194 | /* Locate hash entry; it is expected to exist. */ |
8195 | zvni = zvni_lookup(vni); | |
8196 | if (!zvni) { | |
9df414fe | 8197 | zlog_debug( |
b7cfce93 MK |
8198 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
8199 | ifp->name, ifp->ifindex, vni); | |
8200 | return -1; | |
8201 | } | |
13d60d35 | 8202 | |
b7cfce93 | 8203 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 8204 | |
b7cfce93 MK |
8205 | /* Delete this VNI from BGP. */ |
8206 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 8207 | |
b7cfce93 MK |
8208 | /* Free up all neighbors and MACs, if any. */ |
8209 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8210 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 8211 | |
b7cfce93 MK |
8212 | /* Free up all remote VTEPs, if any. */ |
8213 | zvni_vtep_del_all(zvni, 1); | |
8214 | } | |
d62a17ae | 8215 | return 0; |
13d60d35 | 8216 | } |
8217 | ||
8218 | /* | |
8219 | * Handle VxLAN interface up - update BGP if required. | |
8220 | */ | |
d62a17ae | 8221 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 8222 | { |
d62a17ae | 8223 | vni_t vni; |
b7cfce93 MK |
8224 | struct zebra_if *zif = NULL; |
8225 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8226 | zebra_vni_t *zvni = NULL; |
8227 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8228 | |
2853fed6 | 8229 | /* Check if EVPN is enabled. */ |
8230 | if (!is_evpn_enabled()) | |
d62a17ae | 8231 | return 0; |
13d60d35 | 8232 | |
d62a17ae | 8233 | zif = ifp->info; |
8234 | assert(zif); | |
8235 | vxl = &zif->l2info.vxl; | |
8236 | vni = vxl->vni; | |
13d60d35 | 8237 | |
643215ce | 8238 | zl3vni = zl3vni_lookup(vni); |
8239 | if (zl3vni) { | |
13d60d35 | 8240 | |
b7cfce93 | 8241 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8242 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
8243 | ifp->ifindex, vni); | |
13d60d35 | 8244 | |
b7cfce93 | 8245 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 8246 | * svi-if only after association with vxlan-intf is complete |
8247 | */ | |
b7cfce93 MK |
8248 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
8249 | ||
8250 | if (is_l3vni_oper_up(zl3vni)) | |
8251 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8252 | } else { | |
8253 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
8254 | struct interface *vlan_if = NULL; |
8255 | ||
8256 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8257 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
8258 | ifp->ifindex, vni); | |
b7cfce93 MK |
8259 | |
8260 | /* Locate hash entry; it is expected to exist. */ | |
8261 | zvni = zvni_lookup(vni); | |
8262 | if (!zvni) { | |
9df414fe | 8263 | zlog_debug( |
b7cfce93 MK |
8264 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
8265 | ifp->name, ifp->ifindex, vni); | |
8266 | return -1; | |
8267 | } | |
8268 | ||
8269 | assert(zvni->vxlan_if == ifp); | |
8270 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
8271 | zif->brslave_info.br_if); | |
8272 | if (vlan_if) { | |
8273 | zvni->vrf_id = vlan_if->vrf_id; | |
8274 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
8275 | if (zl3vni) | |
8276 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
8277 | } | |
8278 | ||
8279 | /* If part of a bridge, inform BGP about this VNI. */ | |
8280 | /* Also, read and populate local MACs and neighbors. */ | |
8281 | if (zif->brslave_info.br_if) { | |
8282 | zvni_send_add_to_client(zvni); | |
8283 | zvni_read_mac_neigh(zvni, ifp); | |
8284 | } | |
d62a17ae | 8285 | } |
13d60d35 | 8286 | |
d62a17ae | 8287 | return 0; |
13d60d35 | 8288 | } |
8289 | ||
8290 | /* | |
8291 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
8292 | * and update BGP, if required. | |
8293 | */ | |
d62a17ae | 8294 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 8295 | { |
d62a17ae | 8296 | vni_t vni; |
b7cfce93 MK |
8297 | struct zebra_if *zif = NULL; |
8298 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8299 | zebra_vni_t *zvni = NULL; |
8300 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8301 | |
2853fed6 | 8302 | /* Check if EVPN is enabled. */ |
8303 | if (!is_evpn_enabled()) | |
d62a17ae | 8304 | return 0; |
13d60d35 | 8305 | |
d62a17ae | 8306 | zif = ifp->info; |
8307 | assert(zif); | |
8308 | vxl = &zif->l2info.vxl; | |
8309 | vni = vxl->vni; | |
13d60d35 | 8310 | |
643215ce | 8311 | zl3vni = zl3vni_lookup(vni); |
8312 | if (zl3vni) { | |
b7cfce93 MK |
8313 | |
8314 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8315 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
8316 | ifp->ifindex); | |
13d60d35 | 8317 | |
b7cfce93 MK |
8318 | /* process oper-down for l3-vni */ |
8319 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 8320 | |
b7cfce93 | 8321 | /* remove the association with vxlan_if */ |
b67a60d2 | 8322 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
8323 | zl3vni->vxlan_if = NULL; |
8324 | } else { | |
13d60d35 | 8325 | |
b7cfce93 | 8326 | /* process if-del for l2-vni*/ |
b7cfce93 | 8327 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8328 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
8329 | ifp->ifindex); | |
b7cfce93 MK |
8330 | |
8331 | /* Locate hash entry; it is expected to exist. */ | |
8332 | zvni = zvni_lookup(vni); | |
8333 | if (!zvni) { | |
9df414fe | 8334 | zlog_debug( |
b7cfce93 MK |
8335 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
8336 | ifp->name, ifp->ifindex, vni); | |
8337 | return 0; | |
8338 | } | |
8339 | ||
8340 | /* remove from l3-vni list */ | |
8341 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
8342 | if (zl3vni) | |
8343 | listnode_delete(zl3vni->l2vnis, zvni); | |
8344 | ||
8345 | /* Delete VNI from BGP. */ | |
8346 | zvni_send_del_to_client(zvni->vni); | |
8347 | ||
8348 | /* Free up all neighbors and MAC, if any. */ | |
8349 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
8350 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
8351 | ||
8352 | /* Free up all remote VTEPs, if any. */ | |
8353 | zvni_vtep_del_all(zvni, 0); | |
8354 | ||
8355 | /* Delete the hash entry. */ | |
8356 | if (zvni_del(zvni)) { | |
e914ccbe | 8357 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
8358 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
8359 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
8360 | return -1; |
8361 | } | |
d62a17ae | 8362 | } |
d62a17ae | 8363 | return 0; |
13d60d35 | 8364 | } |
8365 | ||
8366 | /* | |
8367 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
8368 | */ | |
d7c0a89a | 8369 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 8370 | { |
d62a17ae | 8371 | vni_t vni; |
b7cfce93 MK |
8372 | struct zebra_if *zif = NULL; |
8373 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8374 | zebra_vni_t *zvni = NULL; |
8375 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 8376 | |
2853fed6 | 8377 | /* Check if EVPN is enabled. */ |
8378 | if (!is_evpn_enabled()) | |
d62a17ae | 8379 | return 0; |
8380 | ||
8381 | zif = ifp->info; | |
8382 | assert(zif); | |
8383 | vxl = &zif->l2info.vxl; | |
8384 | vni = vxl->vni; | |
8385 | ||
643215ce | 8386 | zl3vni = zl3vni_lookup(vni); |
8387 | if (zl3vni) { | |
af026ae4 | 8388 | |
b7cfce93 MK |
8389 | if (IS_ZEBRA_DEBUG_VXLAN) |
8390 | zlog_debug( | |
8391 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8392 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8393 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8394 | zif->brslave_info.bridge_ifindex, chgflags); |
8395 | ||
8396 | /* Removed from bridge? Cleanup and return */ | |
8397 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8398 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8399 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8400 | return 0; | |
8401 | } | |
8402 | ||
8403 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 8404 | * svi_if and then process oper up again |
8405 | */ | |
b7cfce93 MK |
8406 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
8407 | if (if_is_operative(ifp)) { | |
8408 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8409 | zl3vni->svi_if = NULL; | |
8410 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 8411 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
8412 | if (is_l3vni_oper_up(zl3vni)) |
8413 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8414 | zl3vni); |
b7cfce93 MK |
8415 | } |
8416 | } | |
d62a17ae | 8417 | |
12eeac84 MK |
8418 | /* |
8419 | * local-ip change - process oper down, associate with new | |
8420 | * local-ip and then process oper up again | |
8421 | */ | |
8422 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
8423 | if (if_is_operative(ifp)) { | |
8424 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8425 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8426 | if (is_l3vni_oper_up(zl3vni)) | |
8427 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8428 | zl3vni); |
12eeac84 MK |
8429 | } |
8430 | } | |
8431 | ||
bca63dc8 MK |
8432 | /* Update local tunnel IP. */ |
8433 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8434 | ||
12eeac84 MK |
8435 | /* if we have a valid new master, process l3-vni oper up */ |
8436 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
8437 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
8438 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
8439 | } | |
8440 | } else { | |
d62a17ae | 8441 | |
b7cfce93 MK |
8442 | /* Update VNI hash. */ |
8443 | zvni = zvni_lookup(vni); | |
8444 | if (!zvni) { | |
9df414fe | 8445 | zlog_debug( |
b7cfce93 MK |
8446 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
8447 | ifp->name, ifp->ifindex, vni); | |
8448 | return -1; | |
8449 | } | |
d62a17ae | 8450 | |
b7cfce93 MK |
8451 | if (IS_ZEBRA_DEBUG_VXLAN) |
8452 | zlog_debug( | |
8453 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8454 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8455 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8456 | zif->brslave_info.bridge_ifindex, chgflags); |
8457 | ||
8458 | /* Removed from bridge? Cleanup and return */ | |
8459 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8460 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8461 | /* Delete from client, remove all remote VTEPs */ | |
8462 | /* Also, free up all MACs and neighbors. */ | |
8463 | zvni_send_del_to_client(zvni->vni); | |
8464 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8465 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
8466 | zvni_vtep_del_all(zvni, 1); | |
8467 | return 0; | |
8468 | } | |
d62a17ae | 8469 | |
b7cfce93 MK |
8470 | /* Handle other changes. */ |
8471 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
8472 | /* Remove all existing local neigh and MACs for this VNI | |
8473 | * (including from BGP) | |
8474 | */ | |
8475 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
8476 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
8477 | } | |
d62a17ae | 8478 | |
b7cfce93 MK |
8479 | zvni->local_vtep_ip = vxl->vtep_ip; |
8480 | zvni->vxlan_if = ifp; | |
d62a17ae | 8481 | |
b7cfce93 MK |
8482 | /* Take further actions needed. |
8483 | * Note that if we are here, there is a change of interest. | |
8484 | */ | |
8485 | /* If down or not mapped to a bridge, we're done. */ | |
8486 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8487 | return 0; | |
d62a17ae | 8488 | |
b7cfce93 MK |
8489 | /* Inform BGP, if there is a change of interest. */ |
8490 | if (chgflags | |
8491 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
8492 | zvni_send_add_to_client(zvni); | |
8493 | ||
8494 | /* If there is a valid new master or a VLAN mapping change, | |
8495 | * read and populate local MACs and neighbors. | |
8496 | * Also, reinstall any remote MACs and neighbors | |
8497 | * for this VNI (based on new VLAN). | |
8498 | */ | |
8499 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8500 | zvni_read_mac_neigh(zvni, ifp); | |
8501 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
8502 | struct mac_walk_ctx m_wctx; | |
8503 | struct neigh_walk_ctx n_wctx; | |
8504 | ||
8505 | zvni_read_mac_neigh(zvni, ifp); | |
8506 | ||
8507 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
8508 | m_wctx.zvni = zvni; | |
996c9314 | 8509 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
8510 | &m_wctx); |
8511 | ||
8512 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
8513 | n_wctx.zvni = zvni; | |
8514 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
8515 | &n_wctx); | |
8516 | } | |
d62a17ae | 8517 | } |
8518 | ||
8519 | return 0; | |
13d60d35 | 8520 | } |
8521 | ||
8522 | /* | |
8523 | * Handle VxLAN interface add. | |
8524 | */ | |
d62a17ae | 8525 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 8526 | { |
d62a17ae | 8527 | vni_t vni; |
b7cfce93 MK |
8528 | struct zebra_if *zif = NULL; |
8529 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8530 | zebra_vni_t *zvni = NULL; |
8531 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8532 | |
2853fed6 | 8533 | /* Check if EVPN is enabled. */ |
8534 | if (!is_evpn_enabled()) | |
d62a17ae | 8535 | return 0; |
13d60d35 | 8536 | |
d62a17ae | 8537 | zif = ifp->info; |
8538 | assert(zif); | |
8539 | vxl = &zif->l2info.vxl; | |
8540 | vni = vxl->vni; | |
13d60d35 | 8541 | |
643215ce | 8542 | zl3vni = zl3vni_lookup(vni); |
8543 | if (zl3vni) { | |
13d60d35 | 8544 | |
b7cfce93 | 8545 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
8546 | if (IS_ZEBRA_DEBUG_VXLAN) |
8547 | zlog_debug( | |
8548 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
8549 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8550 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8551 | zif->brslave_info.bridge_ifindex); |
8552 | ||
b7cfce93 | 8553 | /* associate with vxlan_if */ |
b67a60d2 | 8554 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
8555 | zl3vni->vxlan_if = ifp; |
8556 | ||
8557 | /* Associate with SVI, if any. We can associate with svi-if only | |
8558 | * after association with vxlan_if is complete */ | |
8559 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
8560 | ||
8561 | if (is_l3vni_oper_up(zl3vni)) | |
8562 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8563 | } else { | |
8564 | ||
8565 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
8566 | struct interface *vlan_if = NULL; |
8567 | ||
8568 | /* Create or update VNI hash. */ | |
8569 | zvni = zvni_lookup(vni); | |
8570 | if (!zvni) { | |
8571 | zvni = zvni_add(vni); | |
8572 | if (!zvni) { | |
af4c2728 | 8573 | flog_err( |
e914ccbe | 8574 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
8575 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
8576 | ifp->name, ifp->ifindex, vni); | |
8577 | return -1; | |
8578 | } | |
8579 | } | |
8580 | ||
8581 | zvni->local_vtep_ip = vxl->vtep_ip; | |
8582 | zvni->vxlan_if = ifp; | |
8583 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
8584 | zif->brslave_info.br_if); | |
8585 | if (vlan_if) { | |
8586 | zvni->vrf_id = vlan_if->vrf_id; | |
8587 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
8588 | if (zl3vni) | |
8589 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
8590 | } | |
8591 | ||
8592 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8593 | zlog_debug( | |
8594 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
8595 | vni, | |
996c9314 | 8596 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
08ab35fe | 8597 | : VRF_DEFAULT_NAME, |
996c9314 LB |
8598 | ifp->name, ifp->ifindex, vxl->access_vlan, |
8599 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8600 | zif->brslave_info.bridge_ifindex); |
8601 | ||
8602 | /* If down or not mapped to a bridge, we're done. */ | |
8603 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8604 | return 0; | |
8605 | ||
8606 | /* Inform BGP */ | |
8607 | zvni_send_add_to_client(zvni); | |
8608 | ||
8609 | /* Read and populate local MACs and neighbors */ | |
8610 | zvni_read_mac_neigh(zvni, ifp); | |
8611 | } | |
8612 | ||
8613 | return 0; | |
8614 | } | |
8615 | ||
996c9314 LB |
8616 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
8617 | char *err, int err_str_sz, int filter, | |
8618 | int add) | |
b7cfce93 MK |
8619 | { |
8620 | zebra_l3vni_t *zl3vni = NULL; | |
5e53dce3 | 8621 | struct zebra_vrf *zvrf_evpn = NULL; |
b7cfce93 | 8622 | |
5e53dce3 T |
8623 | zvrf_evpn = zebra_vrf_get_evpn(); |
8624 | if (!zvrf_evpn) | |
b7cfce93 MK |
8625 | return -1; |
8626 | ||
8627 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 8628 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
8629 | add ? "ADD" : "DEL"); |
8630 | ||
8631 | if (add) { | |
8632 | ||
8633 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
8634 | ||
8635 | /* check if the vni is already present under zvrf */ | |
8636 | if (zvrf->l3vni) { | |
3f02fbab | 8637 | snprintf(err, err_str_sz, |
b7cfce93 MK |
8638 | "VNI is already configured under the vrf"); |
8639 | return -1; | |
8640 | } | |
8641 | ||
8642 | /* check if this VNI is already present in the system */ | |
8643 | zl3vni = zl3vni_lookup(vni); | |
8644 | if (zl3vni) { | |
3f02fbab | 8645 | snprintf(err, err_str_sz, |
b7cfce93 MK |
8646 | "VNI is already configured as L3-VNI"); |
8647 | return -1; | |
8648 | } | |
8649 | ||
8650 | /* add the L3-VNI to the global table */ | |
8651 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
8652 | if (!zl3vni) { | |
996c9314 | 8653 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
8654 | return -1; |
8655 | } | |
8656 | ||
8657 | /* associate the vrf with vni */ | |
8658 | zvrf->l3vni = vni; | |
8659 | ||
c48d9f5f MK |
8660 | /* set the filter in l3vni to denote if we are using l3vni only |
8661 | * for prefix routes | |
8662 | */ | |
8663 | if (filter) | |
8664 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
8665 | ||
b7cfce93 | 8666 | /* associate with vxlan-intf; |
523cafc4 | 8667 | * we need to associate with the vxlan-intf first |
8668 | */ | |
b7cfce93 MK |
8669 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
8670 | ||
8671 | /* associate with corresponding SVI interface, we can associate | |
8672 | * with svi-if only after vxlan interface association is | |
523cafc4 | 8673 | * complete |
8674 | */ | |
b7cfce93 MK |
8675 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
8676 | ||
8677 | /* formulate l2vni list */ | |
5e53dce3 | 8678 | hash_iterate(zvrf_evpn->vni_table, zvni_add_to_l3vni_list, |
996c9314 | 8679 | zl3vni); |
b7cfce93 MK |
8680 | |
8681 | if (is_l3vni_oper_up(zl3vni)) | |
8682 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8683 | ||
8684 | } else { | |
8685 | zl3vni = zl3vni_lookup(vni); | |
8686 | if (!zl3vni) { | |
3f02fbab | 8687 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 8688 | return -1; |
8689 | } | |
b7cfce93 | 8690 | |
cf299714 MK |
8691 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
8692 | snprintf(err, ERR_STR_SZ, | |
8693 | "prefix-routes-only is not set for the vni"); | |
8694 | return -1; | |
8695 | } | |
8696 | ||
b7cfce93 MK |
8697 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
8698 | ||
5e06422c | 8699 | /* delete and uninstall all rmacs */ |
996c9314 | 8700 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
8701 | zl3vni); |
8702 | ||
8703 | /* delete and uninstall all next-hops */ | |
996c9314 | 8704 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
8705 | zl3vni); |
8706 | ||
b7cfce93 MK |
8707 | zvrf->l3vni = 0; |
8708 | zl3vni_del(zl3vni); | |
8709 | ||
8710 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 8711 | } |
b7cfce93 MK |
8712 | return 0; |
8713 | } | |
13d60d35 | 8714 | |
84915b0a | 8715 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
8716 | { | |
8717 | zebra_l3vni_t *zl3vni = NULL; | |
8718 | ||
8719 | if (zvrf->l3vni) | |
8720 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
8721 | if (!zl3vni) | |
8722 | return 0; | |
8723 | ||
8724 | zl3vni->vrf_id = zvrf_id(zvrf); | |
8725 | if (is_l3vni_oper_up(zl3vni)) | |
8726 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8727 | return 0; | |
8728 | } | |
8729 | ||
8730 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
8731 | { |
8732 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8733 | |
84915b0a | 8734 | if (zvrf->l3vni) |
8735 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 8736 | if (!zl3vni) |
d62a17ae | 8737 | return 0; |
13d60d35 | 8738 | |
84915b0a | 8739 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 8740 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 8741 | return 0; |
8742 | } | |
8743 | ||
8744 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
8745 | { | |
8746 | zebra_l3vni_t *zl3vni = NULL; | |
8747 | vni_t vni; | |
8748 | ||
8749 | if (zvrf->l3vni) | |
8750 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
8751 | if (!zl3vni) | |
8752 | return 0; | |
8753 | ||
8754 | vni = zl3vni->vni; | |
b7cfce93 | 8755 | zl3vni_del(zl3vni); |
84915b0a | 8756 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 8757 | |
d62a17ae | 8758 | return 0; |
13d60d35 | 8759 | } |
8760 | ||
fbac9605 DS |
8761 | /* |
8762 | * Handle message from client to specify the flooding mechanism for | |
8763 | * BUM packets. The default is to do head-end (ingress) replication | |
8764 | * and the other supported option is to disable it. This applies to | |
8765 | * all BUM traffic and disabling it applies to both the transmit and | |
8766 | * receive direction. | |
8767 | */ | |
8768 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
8769 | { | |
8770 | struct stream *s; | |
8771 | enum vxlan_flood_control flood_ctrl; | |
8772 | ||
986512a3 | 8773 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 8774 | zlog_err("EVPN flood control for non-EVPN VRF %u", |
fbac9605 DS |
8775 | zvrf_id(zvrf)); |
8776 | return; | |
8777 | } | |
8778 | ||
8779 | s = msg; | |
8780 | STREAM_GETC(s, flood_ctrl); | |
8781 | ||
8782 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8783 | zlog_debug("EVPN flood control %u, currently %u", | |
8784 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
8785 | ||
8786 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
8787 | return; | |
8788 | ||
8789 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
8790 | ||
8791 | /* Install or uninstall flood entries corresponding to | |
8792 | * remote VTEPs. | |
8793 | */ | |
8794 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
8795 | zvrf); | |
8796 | ||
8797 | stream_failure: | |
8798 | return; | |
8799 | } | |
8800 | ||
278e26de CS |
8801 | /* |
8802 | * Handle message from client to enable/disable advertisement of svi macip | |
8803 | * routes | |
8804 | */ | |
8805 | void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS) | |
8806 | { | |
8807 | struct stream *s; | |
8808 | int advertise; | |
8809 | vni_t vni = 0; | |
8810 | zebra_vni_t *zvni = NULL; | |
8811 | struct interface *ifp = NULL; | |
8812 | ||
986512a3 | 8813 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
8814 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
8815 | zvrf_id(zvrf)); | |
278e26de CS |
8816 | return; |
8817 | } | |
8818 | ||
8819 | s = msg; | |
8820 | STREAM_GETC(s, advertise); | |
8821 | STREAM_GETL(s, vni); | |
8822 | ||
8823 | if (!vni) { | |
8824 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8825 | zlog_debug("EVPN gateway macip Adv %s, currently %s", | |
8826 | advertise ? "enabled" : "disabled", | |
8827 | advertise_gw_macip_enabled(NULL) | |
8828 | ? "enabled" | |
8829 | : "disabled"); | |
8830 | ||
8831 | if (zvrf->advertise_svi_macip == advertise) | |
8832 | return; | |
8833 | ||
8834 | ||
8835 | if (advertise) { | |
8836 | zvrf->advertise_svi_macip = advertise; | |
8837 | hash_iterate(zvrf->vni_table, | |
8838 | zvni_gw_macip_add_for_vni_hash, NULL); | |
8839 | } else { | |
8840 | hash_iterate(zvrf->vni_table, | |
8841 | zvni_svi_macip_del_for_vni_hash, NULL); | |
8842 | zvrf->advertise_svi_macip = advertise; | |
8843 | } | |
8844 | ||
8845 | } else { | |
8846 | struct zebra_if *zif = NULL; | |
8847 | struct zebra_l2info_vxlan zl2_info; | |
8848 | struct interface *vlan_if = NULL; | |
8849 | ||
8850 | zvni = zvni_lookup(vni); | |
8851 | if (!zvni) | |
8852 | return; | |
8853 | ||
8854 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8855 | zlog_debug( | |
8856 | "EVPN SVI macip Adv %s on VNI %d , currently %s", | |
8857 | advertise ? "enabled" : "disabled", vni, | |
8858 | advertise_svi_macip_enabled(zvni) | |
8859 | ? "enabled" | |
8860 | : "disabled"); | |
8861 | ||
8862 | if (zvni->advertise_svi_macip == advertise) | |
8863 | return; | |
8864 | ||
8865 | ifp = zvni->vxlan_if; | |
8866 | if (!ifp) | |
8867 | return; | |
8868 | ||
8869 | zif = ifp->info; | |
8870 | ||
8871 | /* If down or not mapped to a bridge, we're done. */ | |
8872 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8873 | return; | |
8874 | ||
8875 | zl2_info = zif->l2info.vxl; | |
8876 | ||
8877 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
8878 | zif->brslave_info.br_if); | |
8879 | if (!vlan_if) | |
8880 | return; | |
8881 | ||
8882 | if (advertise) { | |
8883 | zvni->advertise_svi_macip = advertise; | |
8884 | /* Add primary SVI MAC-IP */ | |
8885 | zvni_add_macip_for_intf(vlan_if, zvni); | |
8886 | } else { | |
8887 | /* Del primary MAC-IP */ | |
8888 | zvni_del_macip_for_intf(vlan_if, zvni); | |
8889 | zvni->advertise_svi_macip = advertise; | |
8890 | } | |
8891 | } | |
8892 | ||
8893 | stream_failure: | |
8894 | return; | |
8895 | } | |
8896 | ||
31310b25 MK |
8897 | /* |
8898 | * Handle message from client to enable/disable advertisement of g/w macip | |
8899 | * routes | |
8900 | */ | |
89f4e507 | 8901 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
8902 | { |
8903 | struct stream *s; | |
8904 | int advertise; | |
8905 | vni_t vni = 0; | |
8906 | zebra_vni_t *zvni = NULL; | |
8907 | struct interface *ifp = NULL; | |
8908 | struct zebra_if *zif = NULL; | |
8909 | struct zebra_l2info_vxlan zl2_info; | |
8910 | struct interface *vlan_if = NULL; | |
8911 | ||
986512a3 | 8912 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
8913 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
8914 | zvrf_id(zvrf)); | |
8068a649 | 8915 | return; |
31310b25 MK |
8916 | } |
8917 | ||
1002497a | 8918 | s = msg; |
2017b3ea | 8919 | STREAM_GETC(s, advertise); |
31310b25 MK |
8920 | vni = stream_get3(s); |
8921 | ||
8922 | zvni = zvni_lookup(vni); | |
8923 | if (!zvni) | |
8068a649 | 8924 | return; |
31310b25 MK |
8925 | |
8926 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 8927 | return; |
31310b25 MK |
8928 | |
8929 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8930 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
8931 | advertise ? "enabled" : "disabled", vni, | |
8932 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
8933 | |
8934 | ||
8935 | zvni->advertise_subnet = advertise; | |
8936 | ||
8937 | ifp = zvni->vxlan_if; | |
8938 | if (!ifp) | |
8068a649 | 8939 | return; |
31310b25 MK |
8940 | |
8941 | zif = ifp->info; | |
8942 | ||
8943 | /* If down or not mapped to a bridge, we're done. */ | |
8944 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 8945 | return; |
31310b25 MK |
8946 | |
8947 | zl2_info = zif->l2info.vxl; | |
8948 | ||
996c9314 LB |
8949 | vlan_if = |
8950 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 8951 | if (!vlan_if) |
8068a649 | 8952 | return; |
31310b25 MK |
8953 | |
8954 | if (zvni->advertise_subnet) | |
8955 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
8956 | else | |
8957 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
8958 | |
8959 | stream_failure: | |
8960 | return; | |
31310b25 MK |
8961 | } |
8962 | ||
1a98c087 MK |
8963 | /* |
8964 | * Handle message from client to enable/disable advertisement of g/w macip | |
8965 | * routes | |
8966 | */ | |
89f4e507 | 8967 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
8968 | { |
8969 | struct stream *s; | |
8970 | int advertise; | |
8971 | vni_t vni = 0; | |
8972 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 8973 | struct interface *ifp = NULL; |
1a98c087 | 8974 | |
986512a3 | 8975 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 8976 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
9df414fe | 8977 | zvrf_id(zvrf)); |
8068a649 | 8978 | return; |
2853fed6 | 8979 | } |
8980 | ||
1002497a | 8981 | s = msg; |
ec93aa12 | 8982 | STREAM_GETC(s, advertise); |
cc6d5476 | 8983 | STREAM_GETL(s, vni); |
1a98c087 MK |
8984 | |
8985 | if (!vni) { | |
8986 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 8987 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 8988 | advertise ? "enabled" : "disabled", |
2853fed6 | 8989 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
8990 | ? "enabled" |
8991 | : "disabled"); | |
8992 | ||
8993 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 8994 | return; |
1a98c087 MK |
8995 | |
8996 | zvrf->advertise_gw_macip = advertise; | |
8997 | ||
2853fed6 | 8998 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 8999 | hash_iterate(zvrf->vni_table, |
2853fed6 | 9000 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
9001 | else |
9002 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 9003 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
9004 | |
9005 | } else { | |
9006 | struct zebra_if *zif = NULL; | |
9007 | struct zebra_l2info_vxlan zl2_info; | |
9008 | struct interface *vlan_if = NULL; | |
9009 | struct interface *vrr_if = NULL; | |
9010 | ||
01a6143b MK |
9011 | zvni = zvni_lookup(vni); |
9012 | if (!zvni) | |
124ead27 | 9013 | return; |
01a6143b | 9014 | |
1a98c087 MK |
9015 | if (IS_ZEBRA_DEBUG_VXLAN) |
9016 | zlog_debug( | |
2853fed6 | 9017 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 9018 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
9019 | advertise_gw_macip_enabled(zvni) ? "enabled" |
9020 | : "disabled"); | |
1a98c087 | 9021 | |
1a98c087 | 9022 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 9023 | return; |
1a98c087 MK |
9024 | |
9025 | zvni->advertise_gw_macip = advertise; | |
9026 | ||
b5ebdc9b | 9027 | ifp = zvni->vxlan_if; |
9028 | if (!ifp) | |
8068a649 | 9029 | return; |
b5ebdc9b | 9030 | |
9031 | zif = ifp->info; | |
9032 | ||
9033 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 9034 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 9035 | return; |
b5ebdc9b | 9036 | |
1a98c087 MK |
9037 | zl2_info = zif->l2info.vxl; |
9038 | ||
2853fed6 | 9039 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
9040 | zif->brslave_info.br_if); |
9041 | if (!vlan_if) | |
8068a649 | 9042 | return; |
1a98c087 | 9043 | |
2853fed6 | 9044 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
9045 | /* Add primary SVI MAC-IP */ |
9046 | zvni_add_macip_for_intf(vlan_if, zvni); | |
9047 | ||
9048 | /* Add VRR MAC-IP - if any*/ | |
9049 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9050 | if (vrr_if) | |
9051 | zvni_add_macip_for_intf(vrr_if, zvni); | |
9052 | } else { | |
9053 | /* Del primary MAC-IP */ | |
9054 | zvni_del_macip_for_intf(vlan_if, zvni); | |
9055 | ||
9056 | /* Del VRR MAC-IP - if any*/ | |
9057 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9058 | if (vrr_if) | |
9059 | zvni_del_macip_for_intf(vrr_if, zvni); | |
9060 | } | |
9061 | } | |
9062 | ||
ec93aa12 | 9063 | stream_failure: |
8068a649 | 9064 | return; |
1a98c087 MK |
9065 | } |
9066 | ||
9067 | ||
13d60d35 | 9068 | /* |
9069 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
9070 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
9071 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
9072 | * uninstalled from the kernel. | |
fbac9605 DS |
9073 | * This also informs the setting for BUM handling at the time this change |
9074 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 9075 | */ |
89f4e507 | 9076 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 9077 | { |
655b04d1 MK |
9078 | struct stream *s = NULL; |
9079 | int advertise = 0; | |
fbac9605 | 9080 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 9081 | |
77b998fb T |
9082 | /* Mismatch between EVPN VRF and current VRF (should be prevented by |
9083 | * bgpd's cli) */ | |
f920dd6d | 9084 | if (is_evpn_enabled() && !EVPN_ENABLED(zvrf)) |
8068a649 | 9085 | return; |
2853fed6 | 9086 | |
1002497a | 9087 | s = msg; |
ec93aa12 | 9088 | STREAM_GETC(s, advertise); |
fbac9605 | 9089 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 9090 | |
d62a17ae | 9091 | if (IS_ZEBRA_DEBUG_VXLAN) |
150971b5 T |
9092 | zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u", |
9093 | zvrf_name(zvrf), zvrf_id(zvrf), | |
d62a17ae | 9094 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
9095 | is_evpn_enabled() ? "enabled" : "disabled", |
9096 | flood_ctrl); | |
13d60d35 | 9097 | |
d62a17ae | 9098 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 9099 | return; |
13d60d35 | 9100 | |
d62a17ae | 9101 | zvrf->advertise_all_vni = advertise; |
f920dd6d | 9102 | if (EVPN_ENABLED(zvrf)) { |
0fb2ad05 | 9103 | zrouter.evpn_vrf = zvrf; |
150971b5 | 9104 | |
fbac9605 DS |
9105 | /* Note BUM handling */ |
9106 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
9107 | ||
d62a17ae | 9108 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 9109 | zvni_build_hash_table(); |
2232a77c | 9110 | |
1a98c087 MK |
9111 | /* Add all SVI (L3 GW) MACs to BGP*/ |
9112 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 9113 | NULL); |
1a98c087 | 9114 | |
d62a17ae | 9115 | /* Read the MAC FDB */ |
9116 | macfdb_read(zvrf->zns); | |
2232a77c | 9117 | |
d62a17ae | 9118 | /* Read neighbors */ |
9119 | neigh_read(zvrf->zns); | |
9120 | } else { | |
9121 | /* Cleanup VTEPs for all VNIs - uninstall from | |
9122 | * kernel and free entries. | |
9123 | */ | |
9124 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
9125 | |
9126 | /* cleanup all l3vnis */ | |
89272910 | 9127 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
150971b5 | 9128 | |
0fb2ad05 T |
9129 | /* Mark as "no EVPN VRF" */ |
9130 | zrouter.evpn_vrf = NULL; | |
d62a17ae | 9131 | } |
13d60d35 | 9132 | |
ec93aa12 | 9133 | stream_failure: |
8068a649 | 9134 | return; |
13d60d35 | 9135 | } |
9136 | ||
9137 | /* | |
9138 | * Allocate VNI hash table for this VRF and do other initialization. | |
9139 | * NOTE: Currently supported only for default VRF. | |
9140 | */ | |
d62a17ae | 9141 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9142 | { |
d62a17ae | 9143 | if (!zvrf) |
9144 | return; | |
9145 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
9146 | "Zebra VRF VNI Table"); | |
13d60d35 | 9147 | } |
9148 | ||
84915b0a | 9149 | /* Cleanup VNI info, but don't free the table. */ |
9150 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
9151 | { | |
9152 | if (!zvrf) | |
9153 | return; | |
9154 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
9155 | } | |
9156 | ||
13d60d35 | 9157 | /* Close all VNI handling */ |
d62a17ae | 9158 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9159 | { |
2853fed6 | 9160 | if (!zvrf) |
9161 | return; | |
d62a17ae | 9162 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 9163 | hash_free(zvrf->vni_table); |
13d60d35 | 9164 | } |
b7cfce93 MK |
9165 | |
9166 | /* init the l3vni table */ | |
6548050a | 9167 | void zebra_vxlan_init(void) |
b7cfce93 | 9168 | { |
89272910 DS |
9169 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
9170 | "Zebra VRF L3 VNI table"); | |
0fb2ad05 | 9171 | zrouter.evpn_vrf = NULL; |
b7cfce93 MK |
9172 | } |
9173 | ||
9174 | /* free l3vni table */ | |
6548050a | 9175 | void zebra_vxlan_disable(void) |
b7cfce93 | 9176 | { |
89272910 | 9177 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 9178 | } |
d3135ba3 | 9179 | |
9180 | /* get the l3vni svi ifindex */ | |
9181 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
9182 | { | |
9183 | zebra_l3vni_t *zl3vni = NULL; | |
9184 | ||
9185 | zl3vni = zl3vni_from_vrf(vrf_id); | |
9186 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
9187 | return 0; | |
9188 | ||
9189 | return zl3vni->svi_if->ifindex; | |
9190 | } | |
c80a972c CS |
9191 | |
9192 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t) | |
9193 | { | |
9194 | struct zebra_vrf *zvrf = NULL; | |
9195 | zebra_neigh_t *nbr = NULL; | |
9196 | zebra_vni_t *zvni = NULL; | |
9197 | char buf1[INET6_ADDRSTRLEN]; | |
9198 | char buf2[ETHER_ADDR_STRLEN]; | |
9199 | ||
9200 | nbr = THREAD_ARG(t); | |
9201 | ||
9202 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9203 | zvrf = vrf_info_lookup(nbr->zvni->vrf_id); |
9204 | if (!zvrf) | |
979777b2 | 9205 | return 0; |
c80a972c CS |
9206 | |
9207 | zvni = zvni_lookup(nbr->zvni->vni); | |
9208 | if (!zvni) | |
979777b2 | 9209 | return 0; |
c80a972c | 9210 | |
8a3bc58e DS |
9211 | nbr = zvni_neigh_lookup(zvni, &nbr->ip); |
9212 | if (!nbr) | |
979777b2 | 9213 | return 0; |
c80a972c CS |
9214 | |
9215 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9216 | zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x learn count %u vni %u auto recovery expired", | |
9217 | __PRETTY_FUNCTION__, | |
c34e362b CS |
9218 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2)), |
9219 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
c80a972c CS |
9220 | nbr->flags, |
9221 | nbr->dad_count, zvni->vni); | |
9222 | ||
9223 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9224 | nbr->dad_count = 0; | |
9225 | nbr->detect_start_time.tv_sec = 0; | |
9226 | nbr->detect_start_time.tv_usec = 0; | |
9227 | nbr->dad_dup_detect_time = 0; | |
9228 | nbr->dad_ip_auto_recovery_timer = NULL; | |
c34e362b | 9229 | ZEBRA_NEIGH_SET_ACTIVE(nbr); |
c80a972c CS |
9230 | |
9231 | /* Send to BGP */ | |
9232 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
9233 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, &nbr->emac, | |
9234 | nbr->flags, nbr->loc_seq); | |
9235 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
9236 | zvni_neigh_install(zvni, nbr); | |
9237 | } | |
9238 | ||
c80a972c CS |
9239 | return 0; |
9240 | } | |
9241 | ||
9242 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t) | |
9243 | { | |
9244 | struct zebra_vrf *zvrf = NULL; | |
9245 | zebra_mac_t *mac = NULL; | |
9246 | zebra_vni_t *zvni = NULL; | |
9247 | struct listnode *node = NULL; | |
9248 | zebra_neigh_t *nbr = NULL; | |
9249 | char buf[ETHER_ADDR_STRLEN]; | |
9250 | ||
9251 | mac = THREAD_ARG(t); | |
9252 | ||
9253 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9254 | zvrf = vrf_info_lookup(mac->zvni->vrf_id); |
9255 | if (!zvrf) | |
979777b2 | 9256 | return 0; |
c80a972c CS |
9257 | |
9258 | zvni = zvni_lookup(mac->zvni->vni); | |
9259 | if (!zvni) | |
979777b2 | 9260 | return 0; |
c80a972c | 9261 | |
8a3bc58e DS |
9262 | mac = zvni_mac_lookup(zvni, &mac->macaddr); |
9263 | if (!mac) | |
979777b2 | 9264 | return 0; |
c80a972c CS |
9265 | |
9266 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9267 | zlog_debug("%s: duplicate addr mac %s flags 0x%x learn count %u host count %u auto recovery expired", | |
9268 | __PRETTY_FUNCTION__, | |
9269 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
9270 | mac->flags, | |
9271 | mac->dad_count, | |
9272 | listcount(mac->neigh_list)); | |
9273 | ||
9274 | /* Remove all IPs as duplicate associcated with this MAC */ | |
9275 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
a4445ece | 9276 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { |
c80a972c CS |
9277 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
9278 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
9279 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
9280 | zvni_neigh_install(zvni, nbr); | |
9281 | } | |
9282 | ||
9283 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9284 | nbr->dad_count = 0; | |
9285 | nbr->detect_start_time.tv_sec = 0; | |
9286 | nbr->dad_dup_detect_time = 0; | |
9287 | } | |
9288 | ||
9289 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
9290 | mac->dad_count = 0; | |
9291 | mac->detect_start_time.tv_sec = 0; | |
9292 | mac->detect_start_time.tv_usec = 0; | |
9293 | mac->dad_dup_detect_time = 0; | |
9294 | mac->dad_mac_auto_recovery_timer = NULL; | |
9295 | ||
9296 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
9297 | /* Inform to BGP */ | |
9298 | if (zvni_mac_send_add_to_client(zvni->vni, &mac->macaddr, | |
9299 | mac->flags, mac->loc_seq)) | |
9300 | return -1; | |
9301 | ||
9302 | /* Process all neighbors associated with this MAC. */ | |
9303 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
9304 | ||
9305 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
9306 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
9307 | ||
9308 | /* Install the entry. */ | |
9309 | zvni_mac_install(zvni, mac); | |
9310 | } | |
9311 | ||
c80a972c CS |
9312 | return 0; |
9313 | } |