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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 | ||
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "table.h" | |
28 | #include "memory.h" | |
29 | #include "log.h" | |
30 | #include "linklist.h" | |
31 | #include "stream.h" | |
32 | #include "hash.h" | |
33 | #include "jhash.h" | |
34 | #include "vlan.h" | |
35 | #include "vxlan.h" | |
36 | ||
37 | #include "zebra/rib.h" | |
38 | #include "zebra/rt.h" | |
39 | #include "zebra/zebra_ns.h" | |
40 | #include "zebra/zserv.h" | |
41 | #include "zebra/debug.h" | |
42 | #include "zebra/interface.h" | |
43 | #include "zebra/zebra_vrf.h" | |
44 | #include "zebra/rt_netlink.h" | |
45 | #include "zebra/zebra_vxlan_private.h" | |
46 | #include "zebra/zebra_vxlan.h" | |
47 | #include "zebra/zebra_memory.h" | |
48 | #include "zebra/zebra_l2.h" | |
cd233079 | 49 | #include "lib/json.h" |
13d60d35 | 50 | |
d62a17ae | 51 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
13d60d35 | 52 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 53 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
54 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 55 | |
56 | /* definitions */ | |
57 | ||
58 | ||
59 | /* static function declarations */ | |
cd233079 | 60 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 61 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
62 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 63 | void **args); |
d62a17ae | 64 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
65 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
66 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
67 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
68 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 69 | |
70 | static int zvni_macip_send_msg_to_client(struct zebra_vrf *zvrf, vni_t vni, | |
71 | struct ethaddr *macaddr, | |
1a98c087 | 72 | struct ipaddr *ip, u_char flags, |
d62a17ae | 73 | u_int16_t cmd); |
74 | static unsigned int neigh_hash_keymake(void *p); | |
75 | static int neigh_cmp(const void *p1, const void *p2); | |
76 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
77 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
78 | struct ethaddr *mac); | |
d62a17ae | 79 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
80 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg); | |
81 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
82 | struct in_addr *r_vtep_ip); | |
83 | static void zvni_neigh_del_all(struct zebra_vrf *zvrf, zebra_vni_t *zvni, | |
84 | int uninstall, int upd_client, u_int32_t flags); | |
85 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); | |
86 | static int zvni_neigh_send_add_to_client(struct zebra_vrf *zvrf, vni_t vni, | |
87 | struct ipaddr *ip, | |
1a98c087 | 88 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 89 | static int zvni_neigh_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni, |
90 | struct ipaddr *ip, | |
1a98c087 | 91 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 92 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
93 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
94 | static zebra_vni_t *zvni_map_svi(struct interface *ifp, | |
95 | struct interface *br_if); | |
96 | static struct interface *zvni_map_to_svi(struct zebra_vrf *zvrf, vlanid_t vid, | |
97 | struct interface *br_if); | |
98 | ||
99 | static unsigned int mac_hash_keymake(void *p); | |
100 | static int mac_cmp(const void *p1, const void *p2); | |
101 | static void *zvni_mac_alloc(void *p); | |
102 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
103 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
104 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg); | |
105 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
106 | struct in_addr *r_vtep_ip); | |
107 | static void zvni_mac_del_all(struct zebra_vrf *zvrf, zebra_vni_t *zvni, | |
108 | int uninstall, int upd_client, u_int32_t flags); | |
109 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
110 | static int zvni_mac_send_add_to_client(struct zebra_vrf *zvrf, vni_t vni, | |
1a98c087 | 111 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 112 | static int zvni_mac_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni, |
1a98c087 | 113 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 114 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
115 | struct interface *br_if, vlanid_t vid); | |
116 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
117 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
118 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
119 | ||
120 | static unsigned int vni_hash_keymake(void *p); | |
121 | static int vni_hash_cmp(const void *p1, const void *p2); | |
122 | static void *zvni_alloc(void *p); | |
123 | static zebra_vni_t *zvni_lookup(struct zebra_vrf *zvrf, vni_t vni); | |
124 | static zebra_vni_t *zvni_add(struct zebra_vrf *zvrf, vni_t vni); | |
125 | static int zvni_del(struct zebra_vrf *zvrf, zebra_vni_t *zvni); | |
126 | static int zvni_send_add_to_client(struct zebra_vrf *zvrf, zebra_vni_t *zvni); | |
127 | static int zvni_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni); | |
128 | static void zvni_build_hash_table(struct zebra_vrf *zvrf); | |
129 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); | |
130 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
131 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
132 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
133 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
134 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
135 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
136 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
137 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
138 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
139 | struct ethaddr *macaddr, struct ipaddr *ip); | |
140 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
141 | struct ipaddr *ip); | |
142 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
143 | static int advertise_gw_macip_enabled(struct zebra_vrf *zvrf, | |
144 | zebra_vni_t *zvni); | |
145 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, | |
146 | int uninstall); | |
13d60d35 | 147 | |
148 | /* Private functions */ | |
149 | ||
1a98c087 MK |
150 | static int advertise_gw_macip_enabled(struct zebra_vrf *zvrf, zebra_vni_t *zvni) |
151 | { | |
152 | if (zvrf && zvrf->advertise_gw_macip) | |
153 | return 1; | |
154 | ||
155 | if (zvni && zvni->advertise_gw_macip) | |
156 | return 1; | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
cec2e17d | 161 | /* |
162 | * Helper function to determine maximum width of neighbor IP address for | |
163 | * display - just because we're dealing with IPv6 addresses that can | |
164 | * widely vary. | |
165 | */ | |
d62a17ae | 166 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 167 | { |
d62a17ae | 168 | zebra_neigh_t *n; |
169 | char buf[INET6_ADDRSTRLEN]; | |
170 | struct neigh_walk_ctx *wctx = ctxt; | |
171 | int width; | |
cec2e17d | 172 | |
d62a17ae | 173 | n = (zebra_neigh_t *)backet->data; |
174 | if (!n) | |
175 | return; | |
cec2e17d | 176 | |
d62a17ae | 177 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
178 | if (width > wctx->addr_width) | |
179 | wctx->addr_width = width; | |
cec2e17d | 180 | } |
181 | ||
182 | /* | |
183 | * Print a specific neighbor entry. | |
184 | */ | |
cd233079 | 185 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 186 | { |
d62a17ae | 187 | struct vty *vty; |
188 | char buf1[ETHER_ADDR_STRLEN]; | |
189 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 190 | |
cd233079 CS |
191 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
192 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
193 | vty = (struct vty *)ctxt; | |
194 | if (json == NULL) { | |
195 | vty_out(vty, "IP: %s\n", | |
196 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
197 | vty_out(vty, " MAC: %s", | |
198 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
199 | } else { | |
200 | json_object_string_add(json, "ip", buf2); | |
201 | json_object_string_add(json, "mac", buf1); | |
202 | } | |
203 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 204 | if (json == NULL) { |
cd233079 CS |
205 | vty_out(vty, " Remote VTEP: %s", |
206 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 207 | } else |
cd233079 CS |
208 | json_object_string_add(json, "remoteVtep", |
209 | inet_ntoa(n->r_vtep_ip)); | |
210 | } | |
f51d8a27 MK |
211 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
212 | if (!json) { | |
213 | vty_out(vty, "\n"); | |
214 | vty_out(vty, " State: %s", | |
215 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
216 | : "Inactive"); | |
217 | } | |
218 | } | |
cd233079 CS |
219 | if (json == NULL) |
220 | vty_out(vty, "\n"); | |
cec2e17d | 221 | } |
222 | ||
223 | /* | |
224 | * Print neighbor hash entry - called for display of all neighbors. | |
225 | */ | |
d62a17ae | 226 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
227 | { | |
228 | struct vty *vty; | |
cd233079 | 229 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 230 | zebra_neigh_t *n; |
231 | char buf1[ETHER_ADDR_STRLEN]; | |
232 | char buf2[INET6_ADDRSTRLEN]; | |
233 | struct neigh_walk_ctx *wctx = ctxt; | |
234 | ||
235 | vty = wctx->vty; | |
cd233079 | 236 | json_vni = wctx->json; |
d62a17ae | 237 | n = (zebra_neigh_t *)backet->data; |
238 | if (!n) | |
239 | return; | |
240 | ||
cd233079 CS |
241 | if (json_vni) |
242 | json_row = json_object_new_object(); | |
243 | ||
d62a17ae | 244 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
245 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
246 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
247 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
248 | if (json_vni == NULL) { |
249 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
250 | buf2, "local", buf1); | |
251 | } else { | |
252 | json_object_string_add(json_row, "type", "local"); | |
253 | json_object_string_add(json_row, "mac", buf1); | |
254 | } | |
d62a17ae | 255 | wctx->count++; |
256 | } else { | |
257 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
258 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
259 | if (json_vni == NULL) { |
260 | if (wctx->count == 0) | |
261 | vty_out(vty, | |
262 | "%*s %-6s %-17s %-21s\n", | |
263 | -wctx->addr_width, | |
264 | "Neighbor", "Type", | |
265 | "MAC", "Remote VTEP"); | |
d62a17ae | 266 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
267 | -wctx->addr_width, buf2, |
268 | "remote", buf1, | |
269 | inet_ntoa(n->r_vtep_ip)); | |
270 | } else { | |
271 | json_object_string_add(json_row, "type", | |
272 | "remote"); | |
273 | json_object_string_add(json_row, "mac", | |
274 | buf1); | |
275 | json_object_string_add( | |
276 | json_row, "remoteVtep", | |
277 | inet_ntoa(n->r_vtep_ip)); | |
278 | } | |
279 | wctx->count++; | |
280 | } | |
281 | } else { | |
282 | if (json_vni == NULL) { | |
d62a17ae | 283 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
284 | -wctx->addr_width, buf2, "remote", buf1, | |
285 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
286 | } else { |
287 | json_object_string_add(json_row, "type", | |
288 | "remote"); | |
289 | json_object_string_add(json_row, "mac", buf1); | |
290 | json_object_string_add(json_row, "remoteVtep", | |
291 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 292 | } |
d62a17ae | 293 | wctx->count++; |
294 | } | |
295 | } | |
cd233079 CS |
296 | |
297 | if (json_vni) | |
298 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 299 | } |
300 | ||
301 | /* | |
302 | * Print neighbors for all VNI. | |
303 | */ | |
d62a17ae | 304 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 305 | void **args) |
cec2e17d | 306 | { |
d62a17ae | 307 | struct vty *vty; |
cd233079 | 308 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 309 | zebra_vni_t *zvni; |
310 | u_int32_t num_neigh; | |
311 | struct neigh_walk_ctx wctx; | |
cd233079 CS |
312 | char vni_str[VNI_STR_LEN]; |
313 | ||
314 | vty = (struct vty *)args[0]; | |
315 | json = (json_object *)args[1]; | |
cec2e17d | 316 | |
d62a17ae | 317 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
318 | if (!zvni) { |
319 | if (json) | |
320 | vty_out(vty, "{}\n"); | |
d62a17ae | 321 | return; |
cd233079 | 322 | } |
d62a17ae | 323 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 CS |
324 | if (json == NULL) |
325 | vty_out(vty, | |
326 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
327 | zvni->vni, num_neigh); | |
328 | else { | |
329 | json_vni = json_object_new_object(); | |
330 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
331 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
332 | } | |
333 | if (!num_neigh) { | |
334 | if (json) | |
335 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 336 | return; |
cd233079 | 337 | } |
cec2e17d | 338 | |
d62a17ae | 339 | /* Since we have IPv6 addresses to deal with which can vary widely in |
340 | * size, we try to be a bit more elegant in display by first computing | |
341 | * the maximum width. | |
342 | */ | |
343 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
344 | wctx.zvni = zvni; | |
345 | wctx.vty = vty; | |
346 | wctx.addr_width = 15; | |
cd233079 | 347 | wctx.json = json_vni; |
d62a17ae | 348 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 349 | |
cd233079 CS |
350 | if (json == NULL) |
351 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
352 | "Type", "MAC", "Remote VTEP"); | |
d62a17ae | 353 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
354 | |
355 | if (json) | |
356 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 357 | } |
358 | ||
359 | /* | |
360 | * Print a specific MAC entry. | |
361 | */ | |
d62a17ae | 362 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
363 | { | |
364 | struct vty *vty; | |
b6938a74 MK |
365 | zebra_neigh_t *n = NULL; |
366 | struct listnode *node = NULL; | |
d62a17ae | 367 | char buf1[20]; |
b6938a74 | 368 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 369 | |
370 | vty = (struct vty *)ctxt; | |
371 | vty_out(vty, "MAC: %s", | |
372 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
373 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
374 | struct zebra_ns *zns; | |
375 | struct interface *ifp; | |
376 | ifindex_t ifindex; | |
377 | ||
378 | ifindex = mac->fwd_info.local.ifindex; | |
379 | zns = zebra_ns_lookup(NS_DEFAULT); | |
380 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
381 | if (!ifp) // unexpected | |
382 | return; | |
383 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
384 | if (mac->fwd_info.local.vid) | |
385 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 386 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 387 | vty_out(vty, " Remote VTEP: %s", |
388 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
389 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
390 | vty_out(vty, " Auto Mac "); | |
391 | } | |
b6938a74 | 392 | |
0a97666d | 393 | vty_out(vty, "\n"); |
b6938a74 MK |
394 | /* print all the associated neigh */ |
395 | vty_out(vty, " Neighbors:\n"); | |
396 | if (!listcount(mac->neigh_list)) | |
397 | vty_out(vty, " No Neighbors\n"); | |
398 | else { | |
399 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
400 | vty_out(vty, " %s %s\n", | |
401 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
402 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
403 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
404 | ? "Active" | |
405 | : "Inactive") | |
406 | : ""); | |
407 | } | |
d62a17ae | 408 | } |
b6938a74 | 409 | |
d62a17ae | 410 | vty_out(vty, "\n"); |
cec2e17d | 411 | } |
412 | ||
413 | /* | |
414 | * Print MAC hash entry - called for display of all MACs. | |
415 | */ | |
d62a17ae | 416 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
417 | { | |
418 | struct vty *vty; | |
cd233079 | 419 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 420 | zebra_mac_t *mac; |
421 | char buf1[20]; | |
422 | struct mac_walk_ctx *wctx = ctxt; | |
423 | ||
424 | vty = wctx->vty; | |
cd233079 | 425 | json_mac_hdr = wctx->json; |
d62a17ae | 426 | mac = (zebra_mac_t *)backet->data; |
427 | if (!mac) | |
428 | return; | |
429 | ||
430 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
431 | |
432 | if (json_mac_hdr) | |
433 | json_mac = json_object_new_object(); | |
434 | ||
d62a17ae | 435 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
436 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
437 | struct zebra_ns *zns; | |
438 | ifindex_t ifindex; | |
439 | struct interface *ifp; | |
440 | vlanid_t vid; | |
441 | ||
442 | zns = zebra_ns_lookup(NS_DEFAULT); | |
443 | ifindex = mac->fwd_info.local.ifindex; | |
444 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
445 | if (!ifp) // unexpected | |
446 | return; | |
447 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
448 | if (json_mac_hdr == NULL) |
449 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
450 | ifp->name); | |
451 | else { | |
452 | json_object_string_add(json_mac, "type", "local"); | |
453 | json_object_string_add(json_mac, "intf", ifp->name); | |
454 | } | |
455 | if (vid) { | |
456 | if (json_mac_hdr == NULL) | |
457 | vty_out(vty, " %-5u", vid); | |
458 | else | |
459 | json_object_int_add(json_mac, "vlan", vid); | |
460 | } | |
461 | if (json_mac_hdr == NULL) | |
462 | vty_out(vty, "\n"); | |
463 | else | |
464 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 465 | wctx->count++; |
b6938a74 | 466 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 467 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
468 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
469 | &wctx->r_vtep_ip)) { | |
470 | if (wctx->count == 0) { | |
cd233079 CS |
471 | if (json_mac_hdr == NULL) { |
472 | vty_out(vty, "\nVNI %u\n\n", | |
473 | wctx->zvni->vni); | |
474 | vty_out(vty, | |
475 | "%-17s %-6s %-21s %-5s\n", | |
476 | "MAC", "Type", | |
477 | "Intf/Remote VTEP", | |
478 | "VLAN"); | |
479 | } | |
480 | } | |
481 | if (json_mac_hdr == NULL) | |
482 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
483 | "remote", | |
484 | inet_ntoa(mac->fwd_info | |
485 | .r_vtep_ip)); | |
486 | else { | |
487 | json_object_string_add(json_mac, "type", | |
488 | "remote"); | |
489 | json_object_string_add( | |
490 | json_mac, "remoteVtep", | |
491 | inet_ntoa(mac->fwd_info | |
492 | .r_vtep_ip)); | |
493 | json_object_object_add(json_mac_hdr, | |
494 | buf1, json_mac); | |
d62a17ae | 495 | } |
d62a17ae | 496 | wctx->count++; |
497 | } | |
498 | } else { | |
cd233079 CS |
499 | if (json_mac_hdr == NULL) |
500 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
501 | "remote", | |
502 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
503 | else { | |
504 | json_object_string_add(json_mac, "type", | |
505 | "remote"); | |
506 | json_object_string_add( | |
507 | json_mac, "remoteVtep", | |
508 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
509 | json_object_object_add(json_mac_hdr, buf1, | |
510 | json_mac); | |
511 | } | |
d62a17ae | 512 | wctx->count++; |
513 | } | |
514 | } | |
cec2e17d | 515 | } |
516 | ||
517 | /* | |
518 | * Print MACs for all VNI. | |
519 | */ | |
d62a17ae | 520 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 521 | { |
d62a17ae | 522 | struct vty *vty; |
cd233079 CS |
523 | json_object *json = NULL, *json_vni = NULL; |
524 | json_object *json_mac = NULL; | |
d62a17ae | 525 | zebra_vni_t *zvni; |
526 | u_int32_t num_macs; | |
527 | struct mac_walk_ctx *wctx = ctxt; | |
cd233079 | 528 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 529 | |
d62a17ae | 530 | vty = (struct vty *)wctx->vty; |
cd233079 | 531 | json = (struct json_object *)wctx->json; |
cec2e17d | 532 | |
d62a17ae | 533 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
534 | if (!zvni) { |
535 | if (json) | |
536 | vty_out(vty, "{}\n"); | |
d62a17ae | 537 | return; |
cd233079 | 538 | } |
d62a17ae | 539 | wctx->zvni = zvni; |
cec2e17d | 540 | |
d62a17ae | 541 | /*We are iterating over a new VNI, set the count to 0*/ |
542 | wctx->count = 0; | |
cec2e17d | 543 | |
d62a17ae | 544 | num_macs = hashcount(zvni->mac_table); |
545 | if (!num_macs) | |
546 | return; | |
cd233079 CS |
547 | |
548 | if (json) { | |
549 | json_vni = json_object_new_object(); | |
550 | json_mac = json_object_new_object(); | |
551 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 552 | } |
cec2e17d | 553 | |
cd233079 CS |
554 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
555 | if (json == NULL) { | |
556 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
557 | zvni->vni, num_macs); | |
558 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
559 | "Intf/Remote VTEP", "VLAN"); | |
560 | } else | |
561 | json_object_int_add(json_vni, "numMacs", num_macs); | |
562 | } | |
563 | /* assign per-vni to wctx->json object to fill macs | |
564 | * under the vni. Re-assign primary json object to fill | |
565 | * next vni information. | |
566 | */ | |
567 | wctx->json = json_mac; | |
d62a17ae | 568 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
569 | wctx->json = json; |
570 | if (json) { | |
571 | if (wctx->count) | |
572 | json_object_object_add(json_vni, "macs", json_mac); | |
573 | json_object_object_add(json, vni_str, json_vni); | |
574 | } | |
cec2e17d | 575 | } |
576 | ||
577 | /* | |
578 | * Print a specific VNI entry. | |
579 | */ | |
cd233079 | 580 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 581 | { |
582 | struct vty *vty; | |
583 | zebra_vtep_t *zvtep; | |
584 | u_int32_t num_macs; | |
585 | u_int32_t num_neigh; | |
cd233079 CS |
586 | json_object *json = NULL; |
587 | json_object *json_vtep_list = NULL; | |
588 | json_object *json_ip_str = NULL; | |
d62a17ae | 589 | |
cd233079 CS |
590 | vty = ctxt[0]; |
591 | json = ctxt[1]; | |
592 | ||
593 | if (json == NULL) | |
594 | vty_out(vty, "VNI: %u\n", zvni->vni); | |
595 | else | |
596 | json_object_int_add(json, "vni", zvni->vni); | |
d62a17ae | 597 | |
d62a17ae | 598 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
599 | if (json == NULL) |
600 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 601 | return; |
602 | } | |
cd233079 CS |
603 | num_macs = hashcount(zvni->mac_table); |
604 | num_neigh = hashcount(zvni->neigh_table); | |
605 | if (json == NULL) | |
606 | vty_out(vty, " VxLAN interface: %s ifIndex: %u VTEP IP: %s\n", | |
607 | zvni->vxlan_if->name, zvni->vxlan_if->ifindex, | |
608 | inet_ntoa(zvni->local_vtep_ip)); | |
609 | else { | |
610 | json_object_string_add(json, "vxlanInterface", | |
611 | zvni->vxlan_if->name); | |
612 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
613 | json_object_string_add(json, "vtepIp", | |
614 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
615 | json_object_string_add(json, "advertiseGatewayMacip", |
616 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
617 | json_object_int_add(json, "numMacs", num_macs); |
618 | json_object_int_add(json, "numArpNd", num_neigh); | |
619 | } | |
d62a17ae | 620 | if (!zvni->vteps) { |
cd233079 CS |
621 | if (json == NULL) |
622 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 623 | } else { |
cd233079 CS |
624 | if (json == NULL) |
625 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
626 | else | |
627 | json_vtep_list = json_object_new_array(); | |
628 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
629 | if (json == NULL) | |
630 | vty_out(vty, " %s\n", | |
631 | inet_ntoa(zvtep->vtep_ip)); | |
632 | else { | |
633 | json_ip_str = json_object_new_string( | |
634 | inet_ntoa(zvtep->vtep_ip)); | |
635 | json_object_array_add(json_vtep_list, | |
636 | json_ip_str); | |
637 | } | |
638 | } | |
639 | if (json) | |
640 | json_object_object_add(json, "numRemoteVteps", | |
641 | json_vtep_list); | |
642 | } | |
643 | if (json == NULL) { | |
644 | vty_out(vty, | |
645 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
646 | num_macs); | |
647 | vty_out(vty, | |
648 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
649 | "known for this VNI: %u\n", | |
650 | num_neigh); | |
ddd16ed5 MK |
651 | vty_out(vty, " Advertise-gw-macip: %s\n", |
652 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 653 | } |
cec2e17d | 654 | } |
655 | ||
656 | /* | |
657 | * Print a VNI hash entry - called for display of all VNIs. | |
658 | */ | |
cd233079 | 659 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 660 | { |
d62a17ae | 661 | struct vty *vty; |
662 | zebra_vni_t *zvni; | |
663 | zebra_vtep_t *zvtep; | |
664 | u_int32_t num_vteps = 0; | |
665 | u_int32_t num_macs = 0; | |
666 | u_int32_t num_neigh = 0; | |
cd233079 CS |
667 | json_object *json = NULL; |
668 | json_object *json_vni = NULL; | |
669 | json_object *json_ip_str = NULL; | |
670 | json_object *json_vtep_list = NULL; | |
671 | ||
672 | vty = ctxt[0]; | |
673 | json = ctxt[1]; | |
cec2e17d | 674 | |
d62a17ae | 675 | zvni = (zebra_vni_t *)backet->data; |
676 | if (!zvni) | |
677 | return; | |
cec2e17d | 678 | |
d62a17ae | 679 | zvtep = zvni->vteps; |
680 | while (zvtep) { | |
681 | num_vteps++; | |
682 | zvtep = zvtep->next; | |
683 | } | |
cec2e17d | 684 | |
d62a17ae | 685 | num_macs = hashcount(zvni->mac_table); |
686 | num_neigh = hashcount(zvni->neigh_table); | |
cd233079 CS |
687 | if (json == NULL) |
688 | vty_out(vty, "%-10u %-21s %-15s %-8u %-8u %-15u\n", zvni->vni, | |
689 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", | |
690 | inet_ntoa(zvni->local_vtep_ip), num_macs, num_neigh, | |
691 | num_vteps); | |
692 | else { | |
693 | char vni_str[VNI_STR_LEN]; | |
694 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
695 | json_vni = json_object_new_object(); | |
696 | json_object_string_add(json_vni, "vxlanIf", | |
697 | zvni->vxlan_if ? zvni->vxlan_if->name | |
698 | : "unknown"); | |
699 | json_object_string_add(json_vni, "vtepIp", | |
700 | inet_ntoa(zvni->local_vtep_ip)); | |
701 | json_object_int_add(json_vni, "numMacs", num_macs); | |
702 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
703 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
704 | if (num_vteps) { | |
705 | json_vtep_list = json_object_new_array(); | |
706 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
707 | json_ip_str = json_object_new_string( | |
708 | inet_ntoa(zvtep->vtep_ip)); | |
709 | json_object_array_add(json_vtep_list, | |
710 | json_ip_str); | |
711 | } | |
712 | json_object_object_add(json_vni, "remoteVteps", | |
713 | json_vtep_list); | |
714 | } | |
715 | json_object_object_add(json, vni_str, json_vni); | |
716 | } | |
cec2e17d | 717 | } |
718 | ||
13d60d35 | 719 | /* |
2232a77c | 720 | * Inform BGP about local MACIP. |
721 | */ | |
d62a17ae | 722 | static int zvni_macip_send_msg_to_client(struct zebra_vrf *zvrf, vni_t vni, |
723 | struct ethaddr *macaddr, | |
1a98c087 | 724 | struct ipaddr *ip, u_char flags, |
d62a17ae | 725 | u_int16_t cmd) |
726 | { | |
727 | struct zserv *client; | |
728 | struct stream *s; | |
729 | int ipa_len; | |
730 | char buf[ETHER_ADDR_STRLEN]; | |
731 | char buf2[INET6_ADDRSTRLEN]; | |
732 | ||
733 | client = zebra_find_client(ZEBRA_ROUTE_BGP); | |
734 | /* BGP may not be running. */ | |
735 | if (!client) | |
736 | return 0; | |
737 | ||
738 | s = client->obuf; | |
739 | stream_reset(s); | |
740 | ||
741 | zserv_create_header(s, cmd, zvrf_id(zvrf)); | |
742 | stream_putl(s, vni); | |
ff8b7eb8 | 743 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 744 | if (ip) { |
745 | ipa_len = 0; | |
746 | if (IS_IPADDR_V4(ip)) | |
747 | ipa_len = IPV4_MAX_BYTELEN; | |
748 | else if (IS_IPADDR_V6(ip)) | |
749 | ipa_len = IPV6_MAX_BYTELEN; | |
750 | ||
751 | stream_putl(s, ipa_len); /* IP address length */ | |
752 | if (ipa_len) | |
753 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
754 | } else | |
755 | stream_putl(s, 0); /* Just MAC. */ | |
756 | ||
1a98c087 | 757 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 758 | |
759 | /* Write packet size. */ | |
760 | stream_putw_at(s, 0, stream_get_endp(s)); | |
761 | ||
762 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 MK |
763 | zlog_debug( |
764 | "%u:Send MACIP %s flags 0x%x MAC %s IP %s VNI %u to %s", | |
765 | zvrf_id(zvrf), (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", | |
766 | flags, prefix_mac2str(macaddr, buf, sizeof(buf)), | |
767 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, | |
768 | zebra_route_string(client->proto)); | |
d62a17ae | 769 | |
770 | if (cmd == ZEBRA_MACIP_ADD) | |
771 | client->macipadd_cnt++; | |
772 | else | |
773 | client->macipdel_cnt++; | |
774 | ||
775 | return zebra_server_send_message(client); | |
2232a77c | 776 | } |
777 | ||
778 | /* | |
779 | * Make hash key for neighbors. | |
13d60d35 | 780 | */ |
d62a17ae | 781 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 782 | { |
d62a17ae | 783 | zebra_neigh_t *n = p; |
784 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 785 | |
d62a17ae | 786 | if (IS_IPADDR_V4(ip)) |
787 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 788 | |
d62a17ae | 789 | return jhash2(ip->ipaddr_v6.s6_addr32, |
790 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 791 | } |
792 | ||
793 | /* | |
2232a77c | 794 | * Compare two neighbor hash structures. |
13d60d35 | 795 | */ |
d62a17ae | 796 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 797 | { |
d62a17ae | 798 | const zebra_neigh_t *n1 = p1; |
799 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 800 | |
d62a17ae | 801 | if (n1 == NULL && n2 == NULL) |
802 | return 1; | |
2232a77c | 803 | |
d62a17ae | 804 | if (n1 == NULL || n2 == NULL) |
805 | return 0; | |
2232a77c | 806 | |
d62a17ae | 807 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 808 | } |
809 | ||
810 | /* | |
2232a77c | 811 | * Callback to allocate neighbor hash entry. |
13d60d35 | 812 | */ |
d62a17ae | 813 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 814 | { |
d62a17ae | 815 | const zebra_neigh_t *tmp_n = p; |
816 | zebra_neigh_t *n; | |
13d60d35 | 817 | |
d62a17ae | 818 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
819 | *n = *tmp_n; | |
2232a77c | 820 | |
d62a17ae | 821 | return ((void *)n); |
13d60d35 | 822 | } |
823 | ||
824 | /* | |
2232a77c | 825 | * Add neighbor entry. |
13d60d35 | 826 | */ |
b6938a74 MK |
827 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
828 | struct ethaddr *mac) | |
13d60d35 | 829 | { |
d62a17ae | 830 | zebra_neigh_t tmp_n; |
831 | zebra_neigh_t *n = NULL; | |
b6938a74 | 832 | zebra_mac_t *zmac = NULL; |
13d60d35 | 833 | |
d62a17ae | 834 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
835 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
836 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
837 | assert(n); | |
13d60d35 | 838 | |
b6938a74 MK |
839 | memcpy(&n->emac, mac, ETH_ALEN); |
840 | n->state = ZEBRA_NEIGH_INACTIVE; | |
841 | ||
842 | /* Associate the neigh to mac */ | |
843 | zmac = zvni_mac_lookup(zvni, mac); | |
844 | if (zmac) | |
845 | listnode_add_sort(zmac->neigh_list, n); | |
846 | ||
d62a17ae | 847 | return n; |
13d60d35 | 848 | } |
849 | ||
850 | /* | |
2232a77c | 851 | * Delete neighbor entry. |
13d60d35 | 852 | */ |
d62a17ae | 853 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 854 | { |
d62a17ae | 855 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
856 | zebra_mac_t *zmac = NULL; |
857 | ||
858 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
859 | if (zmac) | |
860 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 861 | |
d62a17ae | 862 | /* Free the VNI hash entry and allocated memory. */ |
863 | tmp_n = hash_release(zvni->neigh_table, n); | |
864 | if (tmp_n) | |
865 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 866 | |
d62a17ae | 867 | return 0; |
13d60d35 | 868 | } |
869 | ||
870 | /* | |
2232a77c | 871 | * Free neighbor hash entry (callback) |
13d60d35 | 872 | */ |
d62a17ae | 873 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 874 | { |
d62a17ae | 875 | struct neigh_walk_ctx *wctx = arg; |
876 | zebra_neigh_t *n = backet->data; | |
2232a77c | 877 | |
d62a17ae | 878 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
879 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
880 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
881 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
882 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
883 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
884 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
1a98c087 MK |
885 | zvni_neigh_send_del_to_client(wctx->zvrf, |
886 | wctx->zvni->vni, &n->ip, | |
887 | &n->emac, 0); | |
13d60d35 | 888 | |
d62a17ae | 889 | if (wctx->uninstall) |
890 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 891 | |
d62a17ae | 892 | return zvni_neigh_del(wctx->zvni, n); |
893 | } | |
13d60d35 | 894 | |
d62a17ae | 895 | return 0; |
13d60d35 | 896 | } |
897 | ||
898 | /* | |
2232a77c | 899 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 900 | */ |
d62a17ae | 901 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
902 | struct in_addr *r_vtep_ip) | |
13d60d35 | 903 | { |
d62a17ae | 904 | struct neigh_walk_ctx wctx; |
13d60d35 | 905 | |
d62a17ae | 906 | if (!zvni->neigh_table) |
907 | return; | |
13d60d35 | 908 | |
d62a17ae | 909 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
910 | wctx.zvni = zvni; | |
911 | wctx.uninstall = uninstall; | |
912 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
913 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 914 | |
d62a17ae | 915 | hash_iterate(zvni->neigh_table, |
916 | (void (*)(struct hash_backet *, | |
917 | void *))zvni_neigh_del_hash_entry, | |
918 | &wctx); | |
2232a77c | 919 | } |
13d60d35 | 920 | |
2232a77c | 921 | /* |
922 | * Delete all neighbor entries for this VNI. | |
923 | */ | |
d62a17ae | 924 | static void zvni_neigh_del_all(struct zebra_vrf *zvrf, zebra_vni_t *zvni, |
925 | int uninstall, int upd_client, u_int32_t flags) | |
2232a77c | 926 | { |
d62a17ae | 927 | struct neigh_walk_ctx wctx; |
13d60d35 | 928 | |
d62a17ae | 929 | if (!zvni->neigh_table) |
930 | return; | |
13d60d35 | 931 | |
d62a17ae | 932 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
933 | wctx.zvni = zvni; | |
934 | wctx.zvrf = zvrf; | |
935 | wctx.uninstall = uninstall; | |
936 | wctx.upd_client = upd_client; | |
937 | wctx.flags = flags; | |
2232a77c | 938 | |
d62a17ae | 939 | hash_iterate(zvni->neigh_table, |
940 | (void (*)(struct hash_backet *, | |
941 | void *))zvni_neigh_del_hash_entry, | |
942 | &wctx); | |
13d60d35 | 943 | } |
944 | ||
945 | /* | |
2232a77c | 946 | * Look up neighbor hash entry. |
947 | */ | |
d62a17ae | 948 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 949 | { |
d62a17ae | 950 | zebra_neigh_t tmp; |
951 | zebra_neigh_t *n; | |
2232a77c | 952 | |
d62a17ae | 953 | memset(&tmp, 0, sizeof(tmp)); |
954 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
955 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 956 | |
d62a17ae | 957 | return n; |
2232a77c | 958 | } |
959 | ||
b6938a74 MK |
960 | /* Process all neigh associated to a mac upon local mac add event */ |
961 | static void zvni_process_neigh_on_local_mac_add(struct zebra_vrf *zvrf, | |
962 | zebra_vni_t *zvni, | |
963 | zebra_mac_t *zmac) | |
964 | { | |
965 | zebra_neigh_t *n = NULL; | |
966 | struct listnode *node = NULL; | |
967 | char buf[ETHER_ADDR_STRLEN]; | |
968 | char buf2[INET6_ADDRSTRLEN]; | |
969 | ||
970 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
971 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
972 | /* MAC is learnt locally, program all inactive neigh | |
973 | * pointing to this mac */ | |
974 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
975 | if (IS_ZEBRA_DEBUG_VXLAN) | |
976 | zlog_debug( | |
977 | "%u: neigh %s (MAC %s) on VNI %u is now ACTIVE", | |
978 | zvrf_id(zvrf), | |
979 | ipaddr2str(&n->ip, buf2, | |
980 | sizeof(buf2)), | |
981 | prefix_mac2str(&n->emac, buf, | |
982 | sizeof(buf)), | |
983 | zvni->vni); | |
984 | ||
985 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
986 | zvni_neigh_send_add_to_client( | |
987 | zvrf, zvni->vni, &n->ip, &n->emac, 0); | |
988 | } else { | |
989 | if (IS_ZEBRA_DEBUG_VXLAN) | |
990 | zlog_debug( | |
991 | "%u: neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", | |
992 | zvrf_id(zvrf), | |
993 | ipaddr2str(&n->ip, buf2, | |
994 | sizeof(buf2)), | |
995 | prefix_mac2str(&n->emac, buf, | |
996 | sizeof(buf)), | |
997 | zvni->vni); | |
998 | } | |
999 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1000 | /* TODO: assume the neigh has moved too ?? */ | |
1001 | } | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | /* Process all neigh associated to a mac upon local mac del event */ | |
1006 | static void zvni_process_neigh_on_local_mac_del(struct zebra_vrf *zvrf, | |
1007 | zebra_vni_t *zvni, | |
1008 | zebra_mac_t *zmac) | |
1009 | { | |
1010 | zebra_neigh_t *n = NULL; | |
1011 | struct listnode *node = NULL; | |
1012 | char buf[ETHER_ADDR_STRLEN]; | |
1013 | char buf2[INET6_ADDRSTRLEN]; | |
1014 | ||
1015 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1016 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1017 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1018 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1019 | zlog_debug( | |
1020 | "%u: neigh %s (MAC %s) on VNI %u is now INACTIVE", | |
1021 | zvrf_id(zvrf), | |
1022 | ipaddr2str(&n->ip, buf2, | |
1023 | sizeof(buf2)), | |
1024 | prefix_mac2str(&n->emac, buf, | |
1025 | sizeof(buf)), | |
1026 | zvni->vni); | |
1027 | ||
1028 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1029 | zvni_neigh_send_del_to_client( | |
1030 | zvrf, zvni->vni, &n->ip, &n->emac, 0); | |
1031 | } | |
1032 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1033 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1034 | zlog_err( | |
1035 | "%u: local MAC %s getting deleted on VNI %u has remote neigh %s", | |
1036 | zvrf_id(zvrf), | |
1037 | prefix_mac2str(&n->emac, buf, | |
1038 | sizeof(buf)), | |
1039 | zvni->vni, | |
1040 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1041 | } | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /* process all neigh associated to a mac entry upon remote mac add */ | |
1046 | static void zvni_process_neigh_on_remote_mac_add(struct zebra_vrf *zvrf, | |
1047 | zebra_vni_t *zvni, | |
1048 | zebra_mac_t *zmac) | |
1049 | { | |
1050 | zebra_neigh_t *n = NULL; | |
1051 | struct listnode *node = NULL; | |
1052 | char buf[ETHER_ADDR_STRLEN]; | |
1053 | char buf2[INET6_ADDRSTRLEN]; | |
1054 | ||
1055 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1056 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1057 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1058 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1059 | zlog_debug( | |
1060 | "%u: neigh %s (MAC %s) on VNI %u INACTIVE", | |
1061 | zvrf_id(zvrf), | |
1062 | ipaddr2str(&n->ip, buf2, | |
1063 | sizeof(buf2)), | |
1064 | prefix_mac2str(&n->emac, buf, | |
1065 | sizeof(buf)), | |
1066 | zvni->vni); | |
1067 | ||
1068 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1069 | zvni_neigh_send_del_to_client( | |
1070 | zvrf, zvni->vni, &n->ip, &n->emac, 0); | |
1071 | } | |
1072 | } | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* process all neigh associated to mac entry upon remote mac del */ | |
1077 | static void zvni_process_neigh_on_remote_mac_del(struct zebra_vrf *zvrf, | |
1078 | zebra_vni_t *zvni, | |
1079 | zebra_mac_t *zmac) | |
1080 | { | |
1081 | zebra_neigh_t *n = NULL; | |
1082 | struct listnode *node = NULL; | |
1083 | char buf[ETHER_ADDR_STRLEN]; | |
1084 | char buf2[INET6_ADDRSTRLEN]; | |
1085 | ||
1086 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1087 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1088 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1089 | zlog_err( | |
1090 | "%u: remote MAC %s getting deleted on VNI %u has local neigh %s", | |
1091 | zvrf_id(zvrf), | |
1092 | prefix_mac2str(&n->emac, buf, | |
1093 | sizeof(buf)), | |
1094 | zvni->vni, | |
1095 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1096 | } | |
1097 | } | |
1098 | } | |
1099 | ||
2232a77c | 1100 | /* |
1101 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1102 | */ |
d62a17ae | 1103 | static int zvni_neigh_send_add_to_client(struct zebra_vrf *zvrf, vni_t vni, |
1104 | struct ipaddr *ip, | |
1a98c087 | 1105 | struct ethaddr *macaddr, u_char flags) |
13d60d35 | 1106 | { |
1a98c087 | 1107 | return zvni_macip_send_msg_to_client(zvrf, vni, macaddr, ip, flags, |
d62a17ae | 1108 | ZEBRA_MACIP_ADD); |
2232a77c | 1109 | } |
13d60d35 | 1110 | |
2232a77c | 1111 | /* |
1112 | * Inform BGP about local neighbor deletion. | |
1113 | */ | |
d62a17ae | 1114 | static int zvni_neigh_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni, |
1115 | struct ipaddr *ip, | |
1a98c087 | 1116 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1117 | { |
1a98c087 | 1118 | return zvni_macip_send_msg_to_client(zvrf, vni, macaddr, ip, flags, |
d62a17ae | 1119 | ZEBRA_MACIP_DEL); |
2232a77c | 1120 | } |
1121 | ||
1122 | /* | |
1123 | * Install remote neighbor into the kernel. | |
1124 | */ | |
d62a17ae | 1125 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1126 | { |
d62a17ae | 1127 | struct zebra_vrf *zvrf; |
1128 | struct zebra_if *zif; | |
1129 | struct zebra_l2info_vxlan *vxl; | |
1130 | struct interface *vlan_if; | |
2232a77c | 1131 | |
d62a17ae | 1132 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1133 | return 0; | |
13d60d35 | 1134 | |
d62a17ae | 1135 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
1136 | assert(zvrf); | |
1137 | zif = zvni->vxlan_if->info; | |
1138 | if (!zif) | |
1139 | return -1; | |
1140 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1141 | |
d62a17ae | 1142 | vlan_if = zvni_map_to_svi(zvrf, vxl->access_vlan, |
1143 | zif->brslave_info.br_if); | |
1144 | if (!vlan_if) | |
1145 | return -1; | |
13d60d35 | 1146 | |
d62a17ae | 1147 | return kernel_add_neigh(vlan_if, &n->ip, &n->emac); |
2232a77c | 1148 | } |
13d60d35 | 1149 | |
2232a77c | 1150 | /* |
1151 | * Uninstall remote neighbor from the kernel. | |
1152 | */ | |
d62a17ae | 1153 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1154 | { |
d62a17ae | 1155 | struct zebra_vrf *zvrf; |
1156 | struct zebra_if *zif; | |
1157 | struct zebra_l2info_vxlan *vxl; | |
1158 | struct interface *vlan_if; | |
13d60d35 | 1159 | |
d62a17ae | 1160 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1161 | return 0; | |
2232a77c | 1162 | |
d62a17ae | 1163 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
1164 | assert(zvrf); | |
1165 | if (!zvni->vxlan_if) { | |
1166 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1167 | zvni->vni, zvni); | |
1168 | return -1; | |
1169 | } | |
2232a77c | 1170 | |
d62a17ae | 1171 | zif = zvni->vxlan_if->info; |
1172 | if (!zif) | |
1173 | return -1; | |
1174 | vxl = &zif->l2info.vxl; | |
1175 | vlan_if = zvni_map_to_svi(zvrf, vxl->access_vlan, | |
1176 | zif->brslave_info.br_if); | |
1177 | if (!vlan_if) | |
1178 | return -1; | |
2232a77c | 1179 | |
d62a17ae | 1180 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1181 | } |
1182 | ||
1183 | /* | |
2232a77c | 1184 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1185 | */ |
d62a17ae | 1186 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1187 | { |
d62a17ae | 1188 | zebra_neigh_t *n; |
1189 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1190 | |
d62a17ae | 1191 | n = (zebra_neigh_t *)backet->data; |
1192 | if (!n) | |
1193 | return; | |
13d60d35 | 1194 | |
d62a17ae | 1195 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1196 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1197 | } |
13d60d35 | 1198 | |
1a98c087 MK |
1199 | /* Get the VRR interface for SVI if any */ |
1200 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1201 | { | |
1202 | struct zebra_vrf *zvrf = NULL; | |
1203 | struct interface *tmp_if = NULL; | |
1204 | struct zebra_if *zif = NULL; | |
1205 | struct listnode *node; | |
1206 | ||
1207 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1208 | assert(zvrf); | |
1209 | ||
1210 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1211 | zif = tmp_if->info; | |
1212 | if (!zif) | |
1213 | continue; | |
1214 | ||
1215 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1216 | continue; | |
1217 | ||
1218 | if (zif->link == ifp) | |
1219 | return tmp_if; | |
1220 | } | |
1221 | ||
1222 | return NULL; | |
1223 | } | |
1224 | ||
1225 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1226 | { | |
1227 | struct zebra_vrf *zvrf = NULL; | |
1228 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1229 | struct connected *c = NULL; | |
1230 | struct ethaddr macaddr; | |
1231 | ||
1232 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
1233 | if (!zvrf) | |
1234 | return -1; | |
1235 | ||
1236 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1237 | ||
1238 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1239 | struct ipaddr ip; | |
1240 | ||
1241 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1242 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1243 | continue; | |
1244 | ||
1245 | if (c->address->family == AF_INET) { | |
1246 | ip.ipa_type = IPADDR_V4; | |
1247 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1248 | sizeof(struct in_addr)); | |
1249 | } else if (c->address->family == AF_INET6) { | |
1250 | ip.ipa_type = IPADDR_V6; | |
1251 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1252 | sizeof(struct in6_addr)); | |
1253 | } else { | |
1254 | continue; | |
1255 | } | |
1256 | ||
1257 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1258 | } | |
1259 | ||
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1264 | { | |
1265 | struct zebra_vrf *zvrf = NULL; | |
1266 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1267 | struct connected *c = NULL; | |
1268 | struct ethaddr macaddr; | |
1269 | ||
1270 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
1271 | if (!zvrf) | |
1272 | return -1; | |
1273 | ||
1274 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1275 | ||
1276 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1277 | struct ipaddr ip; | |
1278 | ||
1279 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1280 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1281 | continue; | |
1282 | ||
1283 | if (c->address->family == AF_INET) { | |
1284 | ip.ipa_type = IPADDR_V4; | |
1285 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1286 | sizeof(struct in_addr)); | |
1287 | } else if (c->address->family == AF_INET6) { | |
1288 | ip.ipa_type = IPADDR_V6; | |
1289 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1290 | sizeof(struct in6_addr)); | |
1291 | } else { | |
1292 | continue; | |
1293 | } | |
1294 | ||
1295 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1296 | } | |
1297 | ||
1298 | return 0; | |
1299 | } | |
1300 | ||
1301 | /* | |
1302 | * zvni_gw_macip_add_to_client | |
1303 | */ | |
1304 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1305 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1306 | { | |
1307 | struct zebra_vrf *zvrf = NULL; | |
1308 | struct zebra_if *zif = NULL; | |
1309 | struct zebra_l2info_vxlan *vxl = NULL; | |
1310 | zebra_neigh_t *n = NULL; | |
1311 | zebra_mac_t *mac = NULL; | |
1312 | char buf[ETHER_ADDR_STRLEN]; | |
1313 | char buf2[INET6_ADDRSTRLEN]; | |
1314 | ||
1315 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
1316 | if (!zvrf) | |
1317 | return -1; | |
1318 | ||
1319 | zif = zvni->vxlan_if->info; | |
1320 | if (!zif) | |
1321 | return -1; | |
1322 | ||
1323 | vxl = &zif->l2info.vxl; | |
1324 | ||
1325 | mac = zvni_mac_lookup(zvni, macaddr); | |
1326 | if (!mac) { | |
1327 | mac = zvni_mac_add(zvni, macaddr); | |
1328 | if (!mac) { | |
1329 | zlog_err("%u:Failed to add MAC %s intf %s(%u) VID %u", | |
1330 | ifp->vrf_id, | |
1331 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1332 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1333 | return -1; | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | /* Set "local" forwarding info. */ | |
1338 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1339 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
1340 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
1341 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1342 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1343 | ||
1344 | n = zvni_neigh_lookup(zvni, ip); | |
1345 | if (!n) { | |
b6938a74 | 1346 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 MK |
1347 | if (!n) { |
1348 | zlog_err( | |
1349 | "%u:Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", | |
1350 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
1351 | prefix_mac2str(macaddr, NULL, | |
1352 | ETHER_ADDR_STRLEN), | |
1353 | ifp->name, ifp->ifindex, zvni->vni); | |
1354 | return -1; | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | /* Set "local" forwarding info. */ | |
1359 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
1360 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
1361 | n->ifindex = ifp->ifindex; | |
1362 | ||
1a98c087 MK |
1363 | if (IS_ZEBRA_DEBUG_VXLAN) |
1364 | zlog_debug( | |
1365 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s add to BGP", | |
1366 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
1367 | prefix_mac2str(macaddr, NULL, ETHER_ADDR_STRLEN), | |
1368 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
1369 | ||
1370 | zvni_neigh_send_add_to_client(zvrf, zvni->vni, ip, macaddr, | |
1371 | ZEBRA_MAC_TYPE_GW); | |
1372 | ||
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | /* | |
1377 | * zvni_gw_macip_del_from_client | |
1378 | */ | |
1379 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1380 | struct ipaddr *ip) | |
1381 | { | |
1382 | struct zebra_vrf *zvrf = NULL; | |
1383 | zebra_neigh_t *n = NULL; | |
1384 | zebra_mac_t *mac = NULL; | |
1385 | char buf2[INET6_ADDRSTRLEN]; | |
1386 | ||
1387 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
1388 | if (!zvrf) | |
1389 | return -1; | |
1390 | ||
1391 | /* If the neigh entry is not present nothing to do*/ | |
1392 | n = zvni_neigh_lookup(zvni, ip); | |
1393 | if (!n) | |
1394 | return 0; | |
1395 | ||
1396 | /* mac entry should be present */ | |
1397 | mac = zvni_mac_lookup(zvni, &n->emac); | |
1398 | if (!mac) | |
1399 | zlog_err("%u: MAC %s doesnt exsists for neigh %s on VNI %u", | |
1400 | ifp->vrf_id, | |
1401 | prefix_mac2str(&n->emac, NULL, ETHER_ADDR_STRLEN), | |
1402 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1403 | ||
1404 | /* If the entry is not local nothing to do*/ | |
1405 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1406 | return -1; | |
1407 | ||
1408 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1409 | zlog_debug( | |
1410 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1411 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
1412 | prefix_mac2str(&(n->emac), NULL, ETHER_ADDR_STRLEN), | |
1413 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
1414 | ||
1415 | /* Remove neighbor from BGP. */ | |
1416 | zvni_neigh_send_del_to_client(zvrf, zvni->vni, &n->ip, &n->emac, | |
1417 | ZEBRA_MAC_TYPE_GW); | |
1418 | ||
1419 | /* Delete this neighbor entry. */ | |
1420 | zvni_neigh_del(zvni, n); | |
1421 | ||
1422 | /* see if the mac needs to be deleted as well*/ | |
1423 | zvni_deref_ip2mac(zvni, mac, 0); | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
1429 | void *zvrf) | |
1430 | { | |
1431 | zebra_vni_t *zvni = NULL; | |
1432 | struct zebra_if *zif = NULL; | |
1433 | struct zebra_l2info_vxlan zl2_info; | |
1434 | struct interface *vlan_if = NULL; | |
1435 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1436 | struct interface *ifp; |
1a98c087 MK |
1437 | |
1438 | /* Add primary SVI MAC*/ | |
1439 | zvni = (zebra_vni_t *)backet->data; | |
1440 | if (!zvni) | |
1441 | return; | |
1442 | ||
b5ebdc9b | 1443 | ifp = zvni->vxlan_if; |
1444 | if (!ifp) | |
1445 | return; | |
1446 | zif = ifp->info; | |
1447 | ||
1448 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1449 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1450 | return; |
1451 | ||
1a98c087 MK |
1452 | zl2_info = zif->l2info.vxl; |
1453 | ||
1454 | vlan_if = zvni_map_to_svi(zvrf, zl2_info.access_vlan, | |
1455 | zif->brslave_info.br_if); | |
1456 | if (!vlan_if) | |
1457 | return; | |
1458 | ||
1459 | /* Del primary MAC-IP */ | |
1460 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1461 | ||
1462 | /* Del VRR MAC-IP - if any*/ | |
1463 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1464 | if (vrr_if) | |
1465 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1466 | ||
1467 | return; | |
1468 | } | |
1469 | ||
1470 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
1471 | void *zvrf) | |
1472 | { | |
1473 | zebra_vni_t *zvni = NULL; | |
1474 | struct zebra_if *zif = NULL; | |
1475 | struct zebra_l2info_vxlan zl2_info; | |
1476 | struct interface *vlan_if = NULL; | |
1477 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1478 | struct interface *ifp = NULL; |
1a98c087 MK |
1479 | |
1480 | zvni = (zebra_vni_t *)backet->data; | |
1481 | if (!zvni) | |
1482 | return; | |
1483 | ||
1484 | if (!advertise_gw_macip_enabled(zvrf, zvni)) | |
1485 | return; | |
1486 | ||
b5ebdc9b | 1487 | ifp = zvni->vxlan_if; |
1488 | if (!ifp) | |
1489 | return; | |
1490 | zif = ifp->info; | |
1491 | ||
1492 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1493 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1494 | return; |
1a98c087 MK |
1495 | zl2_info = zif->l2info.vxl; |
1496 | ||
1497 | vlan_if = zvni_map_to_svi(zvrf, zl2_info.access_vlan, | |
1498 | zif->brslave_info.br_if); | |
1499 | if (!vlan_if) | |
1500 | return; | |
1501 | ||
1502 | if (!advertise_gw_macip_enabled(zvrf, zvni)) | |
1503 | return; | |
1504 | ||
1505 | /* Add primary SVI MAC-IP */ | |
1506 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1507 | ||
1508 | /* Add VRR MAC-IP - if any*/ | |
1509 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1510 | if (vrr_if) | |
1511 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1512 | ||
1513 | return; | |
1514 | } | |
1515 | ||
2232a77c | 1516 | /* |
1517 | * Make hash key for MAC. | |
1518 | */ | |
d62a17ae | 1519 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 1520 | { |
d62a17ae | 1521 | zebra_mac_t *pmac = p; |
25331def DS |
1522 | const void *pnt = (void *)pmac->macaddr.octet; |
1523 | ||
ff8b7eb8 | 1524 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 1525 | } |
13d60d35 | 1526 | |
2232a77c | 1527 | /* |
1528 | * Compare two MAC addresses. | |
1529 | */ | |
d62a17ae | 1530 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 1531 | { |
d62a17ae | 1532 | const zebra_mac_t *pmac1 = p1; |
1533 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 1534 | |
d62a17ae | 1535 | if (pmac1 == NULL && pmac2 == NULL) |
1536 | return 1; | |
2232a77c | 1537 | |
d62a17ae | 1538 | if (pmac1 == NULL || pmac2 == NULL) |
1539 | return 0; | |
2232a77c | 1540 | |
d62a17ae | 1541 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, |
ff8b7eb8 | 1542 | ETH_ALEN) |
d62a17ae | 1543 | == 0); |
2232a77c | 1544 | } |
1545 | ||
1546 | /* | |
1547 | * Callback to allocate MAC hash entry. | |
1548 | */ | |
d62a17ae | 1549 | static void *zvni_mac_alloc(void *p) |
2232a77c | 1550 | { |
d62a17ae | 1551 | const zebra_mac_t *tmp_mac = p; |
1552 | zebra_mac_t *mac; | |
2232a77c | 1553 | |
d62a17ae | 1554 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
1555 | *mac = *tmp_mac; | |
2232a77c | 1556 | |
d62a17ae | 1557 | return ((void *)mac); |
2232a77c | 1558 | } |
1559 | ||
1560 | /* | |
1561 | * Add MAC entry. | |
1562 | */ | |
d62a17ae | 1563 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 1564 | { |
d62a17ae | 1565 | zebra_mac_t tmp_mac; |
1566 | zebra_mac_t *mac = NULL; | |
2232a77c | 1567 | |
d62a17ae | 1568 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 1569 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 1570 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
1571 | assert(mac); | |
2232a77c | 1572 | |
b6938a74 MK |
1573 | mac->neigh_list = list_new(); |
1574 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
1575 | ||
d62a17ae | 1576 | return mac; |
2232a77c | 1577 | } |
1578 | ||
1579 | /* | |
1580 | * Delete MAC entry. | |
1581 | */ | |
d62a17ae | 1582 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1583 | { |
d62a17ae | 1584 | zebra_mac_t *tmp_mac; |
2232a77c | 1585 | |
b6938a74 MK |
1586 | list_delete(mac->neigh_list); |
1587 | ||
d62a17ae | 1588 | /* Free the VNI hash entry and allocated memory. */ |
1589 | tmp_mac = hash_release(zvni->mac_table, mac); | |
1590 | if (tmp_mac) | |
1591 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 1592 | |
d62a17ae | 1593 | return 0; |
2232a77c | 1594 | } |
1595 | ||
1596 | /* | |
1597 | * Free MAC hash entry (callback) | |
1598 | */ | |
d62a17ae | 1599 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 1600 | { |
d62a17ae | 1601 | struct mac_walk_ctx *wctx = arg; |
1602 | zebra_mac_t *mac = backet->data; | |
1603 | u_char sticky = 0; | |
2232a77c | 1604 | |
d62a17ae | 1605 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
1606 | || ((wctx->flags & DEL_REMOTE_MAC) | |
1607 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
1608 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
1609 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
1610 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
1611 | &wctx->r_vtep_ip))) { | |
1612 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
1613 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 | |
1614 | : 0; | |
1a98c087 MK |
1615 | zvni_mac_send_del_to_client( |
1616 | wctx->zvrf, wctx->zvni->vni, &mac->macaddr, | |
1617 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); | |
d62a17ae | 1618 | } |
2232a77c | 1619 | |
d62a17ae | 1620 | if (wctx->uninstall) |
1621 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 1622 | |
d62a17ae | 1623 | return zvni_mac_del(wctx->zvni, mac); |
1624 | } | |
2232a77c | 1625 | |
d62a17ae | 1626 | return 0; |
2232a77c | 1627 | } |
1628 | ||
1629 | /* | |
1630 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
1631 | */ | |
d62a17ae | 1632 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1633 | struct in_addr *r_vtep_ip) | |
2232a77c | 1634 | { |
d62a17ae | 1635 | struct mac_walk_ctx wctx; |
2232a77c | 1636 | |
d62a17ae | 1637 | if (!zvni->mac_table) |
1638 | return; | |
2232a77c | 1639 | |
d62a17ae | 1640 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
1641 | wctx.zvni = zvni; | |
1642 | wctx.uninstall = uninstall; | |
1643 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
1644 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 1645 | |
9d303b37 DL |
1646 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
1647 | void *))zvni_mac_del_hash_entry, | |
1648 | &wctx); | |
2232a77c | 1649 | } |
1650 | ||
1651 | /* | |
1652 | * Delete all MAC entries for this VNI. | |
1653 | */ | |
d62a17ae | 1654 | static void zvni_mac_del_all(struct zebra_vrf *zvrf, zebra_vni_t *zvni, |
1655 | int uninstall, int upd_client, u_int32_t flags) | |
2232a77c | 1656 | { |
d62a17ae | 1657 | struct mac_walk_ctx wctx; |
2232a77c | 1658 | |
d62a17ae | 1659 | if (!zvni->mac_table) |
1660 | return; | |
2232a77c | 1661 | |
d62a17ae | 1662 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
1663 | wctx.zvni = zvni; | |
1664 | wctx.zvrf = zvrf; | |
1665 | wctx.uninstall = uninstall; | |
1666 | wctx.upd_client = upd_client; | |
1667 | wctx.flags = flags; | |
2232a77c | 1668 | |
9d303b37 DL |
1669 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
1670 | void *))zvni_mac_del_hash_entry, | |
1671 | &wctx); | |
2232a77c | 1672 | } |
1673 | ||
1674 | /* | |
1675 | * Look up MAC hash entry. | |
1676 | */ | |
d62a17ae | 1677 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 1678 | { |
d62a17ae | 1679 | zebra_mac_t tmp; |
1680 | zebra_mac_t *pmac; | |
2232a77c | 1681 | |
d62a17ae | 1682 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 1683 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 1684 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 1685 | |
d62a17ae | 1686 | return pmac; |
2232a77c | 1687 | } |
1688 | ||
1689 | /* | |
1690 | * Inform BGP about local MAC addition. | |
1691 | */ | |
d62a17ae | 1692 | static int zvni_mac_send_add_to_client(struct zebra_vrf *zvrf, vni_t vni, |
1a98c087 | 1693 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1694 | { |
1a98c087 | 1695 | return zvni_macip_send_msg_to_client(zvrf, vni, macaddr, NULL, flags, |
d62a17ae | 1696 | ZEBRA_MACIP_ADD); |
2232a77c | 1697 | } |
1698 | ||
1699 | /* | |
1700 | * Inform BGP about local MAC deletion. | |
1701 | */ | |
d62a17ae | 1702 | static int zvni_mac_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni, |
1a98c087 | 1703 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1704 | { |
1a98c087 | 1705 | return zvni_macip_send_msg_to_client(zvrf, vni, macaddr, NULL, flags, |
d62a17ae | 1706 | ZEBRA_MACIP_DEL); |
2232a77c | 1707 | } |
1708 | ||
1709 | /* | |
1710 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
1711 | * notifications, to see if there are of interest. | |
1712 | * TODO: Need to make this as a hash table. | |
1713 | */ | |
d62a17ae | 1714 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
1715 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 1716 | { |
d62a17ae | 1717 | struct zebra_vrf *zvrf; |
1718 | struct listnode *node; | |
1719 | struct interface *tmp_if; | |
1720 | struct zebra_if *zif; | |
1721 | struct zebra_l2info_bridge *br; | |
1722 | struct zebra_l2info_vxlan *vxl; | |
1723 | u_char bridge_vlan_aware; | |
1724 | zebra_vni_t *zvni; | |
2232a77c | 1725 | |
d62a17ae | 1726 | /* Locate VRF corresponding to interface. */ |
1727 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1728 | assert(zvrf); | |
2232a77c | 1729 | |
d62a17ae | 1730 | /* Determine if bridge is VLAN-aware or not */ |
1731 | zif = br_if->info; | |
1732 | assert(zif); | |
1733 | br = &zif->l2info.br; | |
1734 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 1735 | |
d62a17ae | 1736 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
1737 | /* TODO: Optimize with a hash. */ | |
1738 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1739 | zif = tmp_if->info; | |
1740 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
1741 | continue; | |
1742 | if (!if_is_operative(tmp_if)) | |
1743 | continue; | |
1744 | vxl = &zif->l2info.vxl; | |
2232a77c | 1745 | |
d62a17ae | 1746 | if (zif->brslave_info.br_if != br_if) |
1747 | continue; | |
2232a77c | 1748 | |
d62a17ae | 1749 | if (!bridge_vlan_aware) |
1750 | break; | |
2232a77c | 1751 | |
d62a17ae | 1752 | if (vxl->access_vlan == vid) |
1753 | break; | |
1754 | } | |
2232a77c | 1755 | |
d62a17ae | 1756 | if (!tmp_if) |
1757 | return NULL; | |
2232a77c | 1758 | |
d62a17ae | 1759 | zvni = zvni_lookup(zvrf, vxl->vni); |
1760 | return zvni; | |
2232a77c | 1761 | } |
1762 | ||
1763 | /* | |
1764 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
1765 | * neighbor notifications, to see if they are of interest. | |
1766 | * TODO: Need to make this as a hash table. | |
1767 | */ | |
d62a17ae | 1768 | static zebra_vni_t *zvni_map_svi(struct interface *ifp, struct interface *br_if) |
1769 | { | |
1770 | struct zebra_vrf *zvrf; | |
1771 | struct listnode *node; | |
1772 | struct interface *tmp_if; | |
1773 | struct zebra_if *zif; | |
1774 | struct zebra_l2info_bridge *br; | |
1775 | struct zebra_l2info_vxlan *vxl; | |
1776 | u_char bridge_vlan_aware; | |
1777 | vlanid_t vid = 0; | |
1778 | zebra_vni_t *zvni; | |
1779 | ||
1780 | /* Make sure the linked interface is a bridge. */ | |
1781 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
1782 | return NULL; | |
1783 | ||
1784 | /* Locate VRF corresponding to interface. */ | |
1785 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1786 | assert(zvrf); | |
1787 | ||
1788 | /* Determine if bridge is VLAN-aware or not */ | |
1789 | zif = br_if->info; | |
1790 | assert(zif); | |
1791 | br = &zif->l2info.br; | |
1792 | bridge_vlan_aware = br->vlan_aware; | |
1793 | if (bridge_vlan_aware) { | |
1794 | struct zebra_l2info_vlan *vl; | |
1795 | ||
1796 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
1797 | return NULL; | |
1798 | ||
1799 | zif = ifp->info; | |
1800 | assert(zif); | |
1801 | vl = &zif->l2info.vl; | |
1802 | vid = vl->vid; | |
1803 | } | |
1804 | ||
1805 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
1806 | /* TODO: Optimize with a hash. */ | |
1807 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1808 | zif = tmp_if->info; | |
1809 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
1810 | continue; | |
1811 | if (!if_is_operative(tmp_if)) | |
1812 | continue; | |
1813 | vxl = &zif->l2info.vxl; | |
1814 | ||
1815 | if (zif->brslave_info.br_if != br_if) | |
1816 | continue; | |
1817 | ||
1818 | if (!bridge_vlan_aware) | |
1819 | break; | |
1820 | ||
1821 | if (vxl->access_vlan == vid) | |
1822 | break; | |
1823 | } | |
1824 | ||
1825 | if (!tmp_if) | |
1826 | return NULL; | |
1827 | ||
1828 | zvni = zvni_lookup(zvrf, vxl->vni); | |
1829 | return zvni; | |
2232a77c | 1830 | } |
1831 | ||
1832 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
1833 | * of two cases: | |
1834 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
1835 | * linked to the bridge | |
1836 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
1837 | * itself | |
1838 | */ | |
d62a17ae | 1839 | static struct interface *zvni_map_to_svi(struct zebra_vrf *zvrf, vlanid_t vid, |
1840 | struct interface *br_if) | |
1841 | { | |
1842 | struct listnode *node; | |
1843 | struct interface *tmp_if; | |
1844 | struct zebra_if *zif; | |
1845 | struct zebra_l2info_bridge *br; | |
1846 | struct zebra_l2info_vlan *vl; | |
1847 | u_char bridge_vlan_aware; | |
1848 | ||
b5ebdc9b | 1849 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
1850 | if (!br_if) | |
1851 | return NULL; | |
1852 | ||
d62a17ae | 1853 | /* Determine if bridge is VLAN-aware or not */ |
1854 | zif = br_if->info; | |
1855 | assert(zif); | |
1856 | br = &zif->l2info.br; | |
1857 | bridge_vlan_aware = br->vlan_aware; | |
1858 | ||
1859 | /* Check oper status of the SVI. */ | |
1860 | if (!bridge_vlan_aware) | |
1861 | return if_is_operative(br_if) ? br_if : NULL; | |
1862 | ||
1863 | /* Identify corresponding VLAN interface. */ | |
1864 | /* TODO: Optimize with a hash. */ | |
1865 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1866 | /* Check oper status of the SVI. */ | |
1867 | if (!if_is_operative(tmp_if)) | |
1868 | continue; | |
1869 | zif = tmp_if->info; | |
1870 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
1871 | || zif->link != br_if) | |
1872 | continue; | |
1873 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
1874 | ||
1875 | if (vl->vid == vid) | |
1876 | break; | |
1877 | } | |
1878 | ||
1879 | return tmp_if; | |
2232a77c | 1880 | } |
1881 | ||
1882 | /* | |
1883 | * Install remote MAC into the kernel. | |
1884 | */ | |
d62a17ae | 1885 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1886 | { |
d62a17ae | 1887 | struct zebra_if *zif; |
1888 | struct zebra_l2info_vxlan *vxl; | |
1889 | u_char sticky; | |
2232a77c | 1890 | |
d62a17ae | 1891 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
1892 | return 0; | |
2232a77c | 1893 | |
d62a17ae | 1894 | zif = zvni->vxlan_if->info; |
1895 | if (!zif) | |
1896 | return -1; | |
1897 | vxl = &zif->l2info.vxl; | |
2232a77c | 1898 | |
d62a17ae | 1899 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 1900 | |
d62a17ae | 1901 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
1902 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 1903 | } |
1904 | ||
1905 | /* | |
1906 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
1907 | * moves to remote, we have to uninstall any existing local entry first. | |
1908 | */ | |
d62a17ae | 1909 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 1910 | { |
d62a17ae | 1911 | struct zebra_if *zif; |
1912 | struct zebra_l2info_vxlan *vxl; | |
1913 | struct in_addr vtep_ip = {.s_addr = 0}; | |
1914 | struct zebra_ns *zns; | |
1915 | struct interface *ifp; | |
2232a77c | 1916 | |
d62a17ae | 1917 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
1918 | return 0; | |
2232a77c | 1919 | |
d62a17ae | 1920 | if (!zvni->vxlan_if) { |
1921 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1922 | zvni->vni, zvni); | |
1923 | return -1; | |
1924 | } | |
2232a77c | 1925 | |
d62a17ae | 1926 | zif = zvni->vxlan_if->info; |
1927 | if (!zif) | |
1928 | return -1; | |
1929 | vxl = &zif->l2info.vxl; | |
2232a77c | 1930 | |
d62a17ae | 1931 | if (local) { |
1932 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1933 | ifp = if_lookup_by_index_per_ns(zns, | |
1934 | mac->fwd_info.local.ifindex); | |
1935 | if (!ifp) // unexpected | |
1936 | return -1; | |
1937 | } else { | |
1938 | ifp = zvni->vxlan_if; | |
1939 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
1940 | } | |
2232a77c | 1941 | |
d62a17ae | 1942 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
1943 | local); | |
2232a77c | 1944 | } |
1945 | ||
1946 | /* | |
1947 | * Install MAC hash entry - called upon access VLAN change. | |
1948 | */ | |
d62a17ae | 1949 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 1950 | { |
d62a17ae | 1951 | zebra_mac_t *mac; |
1952 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 1953 | |
d62a17ae | 1954 | mac = (zebra_mac_t *)backet->data; |
1955 | if (!mac) | |
1956 | return; | |
2232a77c | 1957 | |
d62a17ae | 1958 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
1959 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 1960 | } |
1961 | ||
1962 | /* | |
1963 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
1964 | * appropriate. | |
1965 | */ | |
d62a17ae | 1966 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
1967 | int uninstall) | |
2232a77c | 1968 | { |
0a97666d MK |
1969 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) || |
1970 | !list_isempty(mac->neigh_list)) | |
d62a17ae | 1971 | return; |
2232a77c | 1972 | |
d62a17ae | 1973 | if (uninstall) |
1974 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 1975 | |
d62a17ae | 1976 | zvni_mac_del(zvni, mac); |
2232a77c | 1977 | } |
1978 | ||
1979 | /* | |
1980 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
1981 | */ | |
d62a17ae | 1982 | static void zvni_read_mac_neigh(struct zebra_vrf *zvrf, zebra_vni_t *zvni, |
1983 | struct interface *ifp) | |
2232a77c | 1984 | { |
d62a17ae | 1985 | struct zebra_if *zif; |
1986 | struct interface *vlan_if; | |
1987 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 1988 | struct interface *vrr_if; |
2232a77c | 1989 | |
d62a17ae | 1990 | zif = ifp->info; |
1991 | vxl = &zif->l2info.vxl; | |
2232a77c | 1992 | |
d62a17ae | 1993 | if (IS_ZEBRA_DEBUG_VXLAN) |
1994 | zlog_debug( | |
1995 | "%u:Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", | |
1996 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
1997 | zif->brslave_info.bridge_ifindex); | |
2232a77c | 1998 | |
d62a17ae | 1999 | macfdb_read_for_bridge(zvrf->zns, ifp, zif->brslave_info.br_if); |
2000 | vlan_if = zvni_map_to_svi(zvrf, vxl->access_vlan, | |
2001 | zif->brslave_info.br_if); | |
1a98c087 MK |
2002 | if (vlan_if) { |
2003 | ||
2004 | if (advertise_gw_macip_enabled(zvrf, zvni)) { | |
2005 | /* Add SVI MAC-IP */ | |
2006 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2007 | ||
2008 | /* Add VRR MAC-IP - if any*/ | |
2009 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2010 | if (vrr_if) | |
2011 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2012 | } | |
2013 | ||
d62a17ae | 2014 | neigh_read_for_vlan(zvrf->zns, vlan_if); |
1a98c087 | 2015 | } |
2232a77c | 2016 | } |
2017 | ||
2018 | /* | |
2019 | * Hash function for VNI. | |
2020 | */ | |
d62a17ae | 2021 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2022 | { |
d62a17ae | 2023 | const zebra_vni_t *zvni = p; |
2232a77c | 2024 | |
d62a17ae | 2025 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2026 | } |
2027 | ||
2028 | /* | |
2029 | * Compare 2 VNI hash entries. | |
2030 | */ | |
d62a17ae | 2031 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2032 | { |
d62a17ae | 2033 | const zebra_vni_t *zvni1 = p1; |
2034 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2035 | |
d62a17ae | 2036 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2037 | } |
2038 | ||
2039 | /* | |
2040 | * Callback to allocate VNI hash entry. | |
2041 | */ | |
d62a17ae | 2042 | static void *zvni_alloc(void *p) |
2232a77c | 2043 | { |
d62a17ae | 2044 | const zebra_vni_t *tmp_vni = p; |
2045 | zebra_vni_t *zvni; | |
2232a77c | 2046 | |
d62a17ae | 2047 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2048 | zvni->vni = tmp_vni->vni; | |
2049 | return ((void *)zvni); | |
2232a77c | 2050 | } |
2051 | ||
2052 | /* | |
2053 | * Look up VNI hash entry. | |
2054 | */ | |
d62a17ae | 2055 | static zebra_vni_t *zvni_lookup(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2056 | { |
d62a17ae | 2057 | zebra_vni_t tmp_vni; |
2058 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2059 | |
d62a17ae | 2060 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2061 | tmp_vni.vni = vni; | |
2062 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2063 | |
d62a17ae | 2064 | return zvni; |
2232a77c | 2065 | } |
2066 | ||
2067 | /* | |
2068 | * Add VNI hash entry. | |
2069 | */ | |
d62a17ae | 2070 | static zebra_vni_t *zvni_add(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2071 | { |
d62a17ae | 2072 | zebra_vni_t tmp_zvni; |
2073 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2074 | |
d62a17ae | 2075 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2076 | tmp_zvni.vni = vni; | |
2077 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2078 | assert(zvni); | |
2232a77c | 2079 | |
d62a17ae | 2080 | /* Create hash table for MAC */ |
2081 | zvni->mac_table = | |
2082 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2083 | |
d62a17ae | 2084 | /* Create hash table for neighbors */ |
2085 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2086 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2087 | |
d62a17ae | 2088 | return zvni; |
2232a77c | 2089 | } |
2090 | ||
2091 | /* | |
2092 | * Delete VNI hash entry. | |
2093 | */ | |
d62a17ae | 2094 | static int zvni_del(struct zebra_vrf *zvrf, zebra_vni_t *zvni) |
2232a77c | 2095 | { |
d62a17ae | 2096 | zebra_vni_t *tmp_zvni; |
2232a77c | 2097 | |
d62a17ae | 2098 | zvni->vxlan_if = NULL; |
2232a77c | 2099 | |
d62a17ae | 2100 | /* Free the neighbor hash table. */ |
2101 | hash_free(zvni->neigh_table); | |
2102 | zvni->neigh_table = NULL; | |
2232a77c | 2103 | |
d62a17ae | 2104 | /* Free the MAC hash table. */ |
2105 | hash_free(zvni->mac_table); | |
2106 | zvni->mac_table = NULL; | |
2232a77c | 2107 | |
d62a17ae | 2108 | /* Free the VNI hash entry and allocated memory. */ |
2109 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2110 | if (tmp_zvni) | |
2111 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2112 | |
d62a17ae | 2113 | return 0; |
2232a77c | 2114 | } |
2115 | ||
2116 | /* | |
2117 | * Inform BGP about local VNI addition. | |
2118 | */ | |
d62a17ae | 2119 | static int zvni_send_add_to_client(struct zebra_vrf *zvrf, zebra_vni_t *zvni) |
2232a77c | 2120 | { |
d62a17ae | 2121 | struct zserv *client; |
2122 | struct stream *s; | |
2232a77c | 2123 | |
d62a17ae | 2124 | client = zebra_find_client(ZEBRA_ROUTE_BGP); |
2125 | /* BGP may not be running. */ | |
2126 | if (!client) | |
2127 | return 0; | |
2232a77c | 2128 | |
d62a17ae | 2129 | s = client->obuf; |
2130 | stream_reset(s); | |
2232a77c | 2131 | |
d62a17ae | 2132 | zserv_create_header(s, ZEBRA_VNI_ADD, zvrf_id(zvrf)); |
2133 | stream_putl(s, zvni->vni); | |
2134 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
2232a77c | 2135 | |
d62a17ae | 2136 | /* Write packet size. */ |
2137 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2138 | |
d62a17ae | 2139 | if (IS_ZEBRA_DEBUG_VXLAN) |
2140 | zlog_debug("%u:Send VNI_ADD %u %s to %s", zvrf_id(zvrf), | |
2141 | zvni->vni, inet_ntoa(zvni->local_vtep_ip), | |
2142 | zebra_route_string(client->proto)); | |
2232a77c | 2143 | |
d62a17ae | 2144 | client->vniadd_cnt++; |
2145 | return zebra_server_send_message(client); | |
2232a77c | 2146 | } |
2147 | ||
2148 | /* | |
2149 | * Inform BGP about local VNI deletion. | |
2150 | */ | |
d62a17ae | 2151 | static int zvni_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2152 | { |
d62a17ae | 2153 | struct zserv *client; |
2154 | struct stream *s; | |
2232a77c | 2155 | |
d62a17ae | 2156 | client = zebra_find_client(ZEBRA_ROUTE_BGP); |
2157 | /* BGP may not be running. */ | |
2158 | if (!client) | |
2159 | return 0; | |
2232a77c | 2160 | |
d62a17ae | 2161 | s = client->obuf; |
2162 | stream_reset(s); | |
2232a77c | 2163 | |
d62a17ae | 2164 | zserv_create_header(s, ZEBRA_VNI_DEL, zvrf_id(zvrf)); |
2165 | stream_putl(s, vni); | |
2232a77c | 2166 | |
d62a17ae | 2167 | /* Write packet size. */ |
2168 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2169 | |
d62a17ae | 2170 | if (IS_ZEBRA_DEBUG_VXLAN) |
2171 | zlog_debug("%u:Send VNI_DEL %u to %s", zvrf_id(zvrf), vni, | |
2172 | zebra_route_string(client->proto)); | |
2232a77c | 2173 | |
d62a17ae | 2174 | client->vnidel_cnt++; |
2175 | return zebra_server_send_message(client); | |
2232a77c | 2176 | } |
2177 | ||
2178 | /* | |
2179 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2180 | * is called when EVPN (advertise-all-vni) is enabled. | |
2181 | */ | |
d62a17ae | 2182 | static void zvni_build_hash_table(struct zebra_vrf *zvrf) |
2232a77c | 2183 | { |
d62a17ae | 2184 | struct listnode *node; |
2185 | struct interface *ifp; | |
2232a77c | 2186 | |
d62a17ae | 2187 | /* Walk VxLAN interfaces and create VNI hash. */ |
2188 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, ifp)) { | |
2189 | struct zebra_if *zif; | |
2190 | struct zebra_l2info_vxlan *vxl; | |
2191 | zebra_vni_t *zvni; | |
2192 | vni_t vni; | |
2232a77c | 2193 | |
d62a17ae | 2194 | zif = ifp->info; |
2195 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2196 | continue; | |
2197 | vxl = &zif->l2info.vxl; | |
2232a77c | 2198 | |
d62a17ae | 2199 | vni = vxl->vni; |
2232a77c | 2200 | |
d62a17ae | 2201 | if (IS_ZEBRA_DEBUG_VXLAN) |
2202 | zlog_debug( | |
2203 | "%u:Create VNI hash for intf %s(%u) VNI %u local IP %s", | |
2204 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni, | |
2205 | inet_ntoa(vxl->vtep_ip)); | |
2232a77c | 2206 | |
d62a17ae | 2207 | /* VNI hash entry is not expected to exist. */ |
2208 | zvni = zvni_lookup(zvrf, vni); | |
2209 | if (zvni) { | |
2210 | zlog_err( | |
2211 | "VNI hash already present for VRF %d IF %s(%u) VNI %u", | |
2212 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni); | |
2213 | continue; | |
2214 | } | |
2232a77c | 2215 | |
d62a17ae | 2216 | zvni = zvni_add(zvrf, vni); |
2217 | if (!zvni) { | |
2218 | zlog_err( | |
2219 | "Failed to add VNI hash, VRF %d IF %s(%u) VNI %u", | |
2220 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni); | |
2221 | return; | |
2222 | } | |
2232a77c | 2223 | |
d62a17ae | 2224 | zvni->local_vtep_ip = vxl->vtep_ip; |
2225 | zvni->vxlan_if = ifp; | |
2232a77c | 2226 | |
d62a17ae | 2227 | /* Inform BGP if interface is up and mapped to bridge. */ |
2228 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2229 | zvni_send_add_to_client(zvrf, zvni); | |
2230 | } | |
2232a77c | 2231 | } |
2232 | ||
2233 | /* | |
2234 | * See if remote VTEP matches with prefix. | |
2235 | */ | |
d62a17ae | 2236 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2237 | { |
d62a17ae | 2238 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2239 | } |
2240 | ||
2241 | /* | |
2242 | * Locate remote VTEP in VNI hash table. | |
2243 | */ | |
d62a17ae | 2244 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2245 | { |
d62a17ae | 2246 | zebra_vtep_t *zvtep; |
2232a77c | 2247 | |
d62a17ae | 2248 | if (!zvni) |
2249 | return NULL; | |
2232a77c | 2250 | |
d62a17ae | 2251 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2252 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2253 | break; | |
2254 | } | |
2232a77c | 2255 | |
d62a17ae | 2256 | return zvtep; |
2232a77c | 2257 | } |
2258 | ||
2259 | /* | |
2260 | * Add remote VTEP to VNI hash table. | |
2261 | */ | |
d62a17ae | 2262 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2263 | { |
d62a17ae | 2264 | zebra_vtep_t *zvtep; |
2232a77c | 2265 | |
d62a17ae | 2266 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2267 | if (!zvtep) { | |
2268 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2269 | return NULL; | |
2270 | } | |
2232a77c | 2271 | |
d62a17ae | 2272 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2273 | |
d62a17ae | 2274 | if (zvni->vteps) |
2275 | zvni->vteps->prev = zvtep; | |
2276 | zvtep->next = zvni->vteps; | |
2277 | zvni->vteps = zvtep; | |
2232a77c | 2278 | |
d62a17ae | 2279 | return zvtep; |
2232a77c | 2280 | } |
2281 | ||
2282 | /* | |
2283 | * Remove remote VTEP from VNI hash table. | |
2284 | */ | |
d62a17ae | 2285 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2286 | { |
d62a17ae | 2287 | if (zvtep->next) |
2288 | zvtep->next->prev = zvtep->prev; | |
2289 | if (zvtep->prev) | |
2290 | zvtep->prev->next = zvtep->next; | |
2291 | else | |
2292 | zvni->vteps = zvtep->next; | |
2232a77c | 2293 | |
d62a17ae | 2294 | zvtep->prev = zvtep->next = NULL; |
2295 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2296 | |
d62a17ae | 2297 | return 0; |
2232a77c | 2298 | } |
2299 | ||
2300 | /* | |
2301 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2302 | * uninstall from kernel if asked to. | |
2303 | */ | |
d62a17ae | 2304 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2305 | { |
d62a17ae | 2306 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2307 | |
d62a17ae | 2308 | if (!zvni) |
2309 | return -1; | |
2232a77c | 2310 | |
d62a17ae | 2311 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2312 | zvtep_next = zvtep->next; | |
2313 | if (uninstall) | |
2314 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2315 | zvni_vtep_del(zvni, zvtep); | |
2316 | } | |
2232a77c | 2317 | |
d62a17ae | 2318 | return 0; |
2232a77c | 2319 | } |
2320 | ||
2321 | /* | |
2322 | * Install remote VTEP into the kernel. | |
2323 | */ | |
d62a17ae | 2324 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2325 | { |
d62a17ae | 2326 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2327 | } |
2328 | ||
2329 | /* | |
2330 | * Uninstall remote VTEP from the kernel. | |
2331 | */ | |
d62a17ae | 2332 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2333 | { |
d62a17ae | 2334 | if (!zvni->vxlan_if) { |
2335 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2336 | zvni->vni, zvni); | |
2337 | return -1; | |
2338 | } | |
2232a77c | 2339 | |
d62a17ae | 2340 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2341 | } |
2342 | ||
2343 | /* | |
2344 | * Cleanup VNI/VTEP and update kernel | |
2345 | */ | |
d62a17ae | 2346 | static void zvni_cleanup_all(struct hash_backet *backet, void *zvrf) |
2232a77c | 2347 | { |
d62a17ae | 2348 | zebra_vni_t *zvni; |
2232a77c | 2349 | |
d62a17ae | 2350 | zvni = (zebra_vni_t *)backet->data; |
2351 | if (!zvni) | |
2352 | return; | |
2232a77c | 2353 | |
d62a17ae | 2354 | /* Free up all neighbors and MACs, if any. */ |
2355 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
2356 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 2357 | |
d62a17ae | 2358 | /* Free up all remote VTEPs, if any. */ |
2359 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 2360 | |
d62a17ae | 2361 | /* Delete the hash entry. */ |
2362 | zvni_del(zvrf, zvni); | |
2232a77c | 2363 | } |
2364 | ||
2365 | ||
2366 | /* Public functions */ | |
2367 | ||
cec2e17d | 2368 | /* |
2369 | * Display Neighbors for a VNI (VTY command handler). | |
2370 | */ | |
d62a17ae | 2371 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 2372 | vni_t vni, u_char use_json) |
d62a17ae | 2373 | { |
2374 | zebra_vni_t *zvni; | |
2375 | u_int32_t num_neigh; | |
2376 | struct neigh_walk_ctx wctx; | |
cd233079 | 2377 | json_object *json = NULL; |
d62a17ae | 2378 | |
2379 | if (!EVPN_ENABLED(zvrf)) | |
2380 | return; | |
2381 | zvni = zvni_lookup(zvrf, vni); | |
2382 | if (!zvni) { | |
cd233079 CS |
2383 | if (use_json) |
2384 | vty_out(vty, "{}\n"); | |
2385 | else | |
2386 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2387 | return; |
2388 | } | |
2389 | num_neigh = hashcount(zvni->neigh_table); | |
2390 | if (!num_neigh) | |
2391 | return; | |
2392 | ||
cd233079 CS |
2393 | if (use_json) |
2394 | json = json_object_new_object(); | |
2395 | ||
d62a17ae | 2396 | /* Since we have IPv6 addresses to deal with which can vary widely in |
2397 | * size, we try to be a bit more elegant in display by first computing | |
2398 | * the maximum width. | |
2399 | */ | |
2400 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
2401 | wctx.zvni = zvni; | |
2402 | wctx.vty = vty; | |
2403 | wctx.addr_width = 15; | |
cd233079 | 2404 | wctx.json = json; |
d62a17ae | 2405 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
2406 | ||
cd233079 CS |
2407 | if (!use_json) { |
2408 | vty_out(vty, | |
2409 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
2410 | num_neigh); | |
2411 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
2412 | "Type", "MAC", "Remote VTEP"); | |
2413 | } else | |
2414 | json_object_int_add(json, "numArpNd", num_neigh); | |
d62a17ae | 2415 | |
2416 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
cd233079 CS |
2417 | if (use_json) { |
2418 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2419 | json, JSON_C_TO_STRING_PRETTY)); | |
2420 | json_object_free(json); | |
2421 | } | |
cec2e17d | 2422 | } |
2423 | ||
2424 | /* | |
2425 | * Display neighbors across all VNIs (VTY command handler). | |
2426 | */ | |
cd233079 CS |
2427 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2428 | u_char use_json) | |
cec2e17d | 2429 | { |
cd233079 CS |
2430 | json_object *json = NULL; |
2431 | void *args[2]; | |
2432 | ||
d62a17ae | 2433 | if (!EVPN_ENABLED(zvrf)) |
2434 | return; | |
cd233079 CS |
2435 | |
2436 | if (use_json) | |
2437 | json = json_object_new_object(); | |
2438 | ||
2439 | args[0] = vty; | |
2440 | args[1] = json; | |
2441 | hash_iterate(zvrf->vni_table, | |
2442 | (void (*)(struct hash_backet *, | |
2443 | void *))zvni_print_neigh_hash_all_vni, | |
2444 | args); | |
2445 | if (use_json) { | |
2446 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2447 | json, JSON_C_TO_STRING_PRETTY)); | |
2448 | json_object_free(json); | |
2449 | } | |
cec2e17d | 2450 | } |
2451 | ||
2452 | /* | |
2453 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
2454 | */ | |
d62a17ae | 2455 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, |
2456 | struct zebra_vrf *zvrf, vni_t vni, | |
cd233079 | 2457 | struct ipaddr *ip, u_char use_json) |
cec2e17d | 2458 | { |
d62a17ae | 2459 | zebra_vni_t *zvni; |
2460 | zebra_neigh_t *n; | |
cd233079 | 2461 | json_object *json = NULL; |
cec2e17d | 2462 | |
d62a17ae | 2463 | if (!EVPN_ENABLED(zvrf)) |
2464 | return; | |
2465 | zvni = zvni_lookup(zvrf, vni); | |
2466 | if (!zvni) { | |
cd233079 CS |
2467 | if (use_json) |
2468 | vty_out(vty, "{}\n"); | |
2469 | else | |
2470 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2471 | return; |
2472 | } | |
2473 | n = zvni_neigh_lookup(zvni, ip); | |
2474 | if (!n) { | |
cd233079 CS |
2475 | if (!use_json) |
2476 | vty_out(vty, | |
2477 | "%% Requested neighbor does not exist in VNI %u\n", | |
2478 | vni); | |
d62a17ae | 2479 | return; |
2480 | } | |
cd233079 CS |
2481 | if (use_json) |
2482 | json = json_object_new_object(); | |
2483 | ||
2484 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 2485 | |
cd233079 CS |
2486 | if (use_json) { |
2487 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2488 | json, JSON_C_TO_STRING_PRETTY)); | |
2489 | json_object_free(json); | |
2490 | } | |
cec2e17d | 2491 | } |
2492 | ||
2493 | /* | |
2494 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
2495 | * By definition, these are remote neighbors. | |
2496 | */ | |
d62a17ae | 2497 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
2498 | vni_t vni, struct in_addr vtep_ip, |
2499 | u_char use_json) | |
cec2e17d | 2500 | { |
d62a17ae | 2501 | zebra_vni_t *zvni; |
2502 | u_int32_t num_neigh; | |
2503 | struct neigh_walk_ctx wctx; | |
cd233079 | 2504 | json_object *json = NULL; |
cec2e17d | 2505 | |
d62a17ae | 2506 | if (!EVPN_ENABLED(zvrf)) |
2507 | return; | |
2508 | zvni = zvni_lookup(zvrf, vni); | |
2509 | if (!zvni) { | |
cd233079 CS |
2510 | if (use_json) |
2511 | vty_out(vty, "{}\n"); | |
2512 | else | |
2513 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2514 | return; |
2515 | } | |
2516 | num_neigh = hashcount(zvni->neigh_table); | |
2517 | if (!num_neigh) | |
2518 | return; | |
cec2e17d | 2519 | |
d62a17ae | 2520 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2521 | wctx.zvni = zvni; | |
2522 | wctx.vty = vty; | |
2523 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
2524 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2525 | wctx.json = json; |
d62a17ae | 2526 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
2527 | |
2528 | if (use_json) { | |
2529 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2530 | json, JSON_C_TO_STRING_PRETTY)); | |
2531 | json_object_free(json); | |
2532 | } | |
cec2e17d | 2533 | } |
2534 | ||
2535 | /* | |
2536 | * Display MACs for a VNI (VTY command handler). | |
2537 | */ | |
d62a17ae | 2538 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 2539 | vni_t vni, u_char use_json) |
cec2e17d | 2540 | { |
d62a17ae | 2541 | zebra_vni_t *zvni; |
2542 | u_int32_t num_macs; | |
2543 | struct mac_walk_ctx wctx; | |
cd233079 CS |
2544 | json_object *json = NULL; |
2545 | json_object *json_mac = NULL; | |
cec2e17d | 2546 | |
d62a17ae | 2547 | if (!EVPN_ENABLED(zvrf)) |
2548 | return; | |
2549 | zvni = zvni_lookup(zvrf, vni); | |
2550 | if (!zvni) { | |
cd233079 CS |
2551 | if (use_json) |
2552 | vty_out(vty, "{}\n"); | |
2553 | else | |
2554 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2555 | return; |
2556 | } | |
2557 | num_macs = hashcount(zvni->mac_table); | |
2558 | if (!num_macs) | |
2559 | return; | |
cec2e17d | 2560 | |
cd233079 CS |
2561 | if (use_json) { |
2562 | json = json_object_new_object(); | |
2563 | json_mac = json_object_new_object(); | |
2564 | } | |
2565 | ||
d62a17ae | 2566 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2567 | wctx.zvni = zvni; | |
2568 | wctx.vty = vty; | |
cd233079 | 2569 | wctx.json = json_mac; |
cec2e17d | 2570 | |
cd233079 CS |
2571 | if (!use_json) { |
2572 | vty_out(vty, | |
2573 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
2574 | num_macs); | |
2575 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
2576 | "Intf/Remote VTEP", "VLAN"); | |
2577 | } else | |
2578 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 2579 | |
d62a17ae | 2580 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
2581 | |
2582 | if (use_json) { | |
2583 | json_object_object_add(json, "macs", json_mac); | |
2584 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2585 | json, JSON_C_TO_STRING_PRETTY)); | |
2586 | json_object_free(json); | |
2587 | } | |
cec2e17d | 2588 | } |
2589 | ||
2590 | /* | |
2591 | * Display MACs for all VNIs (VTY command handler). | |
2592 | */ | |
cd233079 CS |
2593 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2594 | u_char use_json) | |
cec2e17d | 2595 | { |
d62a17ae | 2596 | struct mac_walk_ctx wctx; |
cd233079 | 2597 | json_object *json = NULL; |
cec2e17d | 2598 | |
cd233079 CS |
2599 | if (!EVPN_ENABLED(zvrf)) { |
2600 | if (use_json) | |
2601 | vty_out(vty, "{}\n"); | |
d62a17ae | 2602 | return; |
cd233079 CS |
2603 | } |
2604 | if (use_json) | |
2605 | json = json_object_new_object(); | |
2606 | ||
d62a17ae | 2607 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2608 | wctx.vty = vty; | |
cd233079 | 2609 | wctx.json = json; |
d62a17ae | 2610 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
2611 | |
2612 | if (use_json) { | |
2613 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2614 | json, JSON_C_TO_STRING_PRETTY)); | |
2615 | json_object_free(json); | |
2616 | } | |
cec2e17d | 2617 | } |
2618 | ||
2619 | /* | |
2620 | * Display MACs for all VNIs (VTY command handler). | |
2621 | */ | |
d62a17ae | 2622 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
2623 | struct zebra_vrf *zvrf, | |
cd233079 CS |
2624 | struct in_addr vtep_ip, |
2625 | u_char use_json) | |
cec2e17d | 2626 | { |
d62a17ae | 2627 | struct mac_walk_ctx wctx; |
cd233079 | 2628 | json_object *json = NULL; |
cec2e17d | 2629 | |
d62a17ae | 2630 | if (!EVPN_ENABLED(zvrf)) |
2631 | return; | |
cd233079 CS |
2632 | |
2633 | if (use_json) | |
2634 | json = json_object_new_object(); | |
2635 | ||
d62a17ae | 2636 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2637 | wctx.vty = vty; | |
2638 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
2639 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2640 | wctx.json = json; |
d62a17ae | 2641 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
2642 | |
2643 | if (use_json) { | |
2644 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2645 | json, JSON_C_TO_STRING_PRETTY)); | |
2646 | json_object_free(json); | |
2647 | } | |
cec2e17d | 2648 | } |
2649 | ||
2650 | /* | |
2651 | * Display specific MAC for a VNI, if present (VTY command handler). | |
2652 | */ | |
d62a17ae | 2653 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2654 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 2655 | { |
d62a17ae | 2656 | zebra_vni_t *zvni; |
2657 | zebra_mac_t *mac; | |
cec2e17d | 2658 | |
d62a17ae | 2659 | if (!EVPN_ENABLED(zvrf)) |
2660 | return; | |
2661 | zvni = zvni_lookup(zvrf, vni); | |
2662 | if (!zvni) { | |
2663 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2664 | return; | |
2665 | } | |
2666 | mac = zvni_mac_lookup(zvni, macaddr); | |
2667 | if (!mac) { | |
2668 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
2669 | vni); | |
2670 | return; | |
2671 | } | |
cec2e17d | 2672 | |
d62a17ae | 2673 | zvni_print_mac(mac, vty); |
cec2e17d | 2674 | } |
2675 | ||
2676 | /* | |
2677 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
2678 | */ | |
d62a17ae | 2679 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
2680 | vni_t vni, struct in_addr vtep_ip, |
2681 | u_char use_json) | |
cec2e17d | 2682 | { |
d62a17ae | 2683 | zebra_vni_t *zvni; |
2684 | u_int32_t num_macs; | |
2685 | struct mac_walk_ctx wctx; | |
cd233079 CS |
2686 | json_object *json = NULL; |
2687 | json_object *json_mac = NULL; | |
cec2e17d | 2688 | |
d62a17ae | 2689 | if (!EVPN_ENABLED(zvrf)) |
2690 | return; | |
2691 | zvni = zvni_lookup(zvrf, vni); | |
2692 | if (!zvni) { | |
cd233079 CS |
2693 | if (use_json) |
2694 | vty_out(vty, "{}\n"); | |
2695 | else | |
2696 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2697 | return; |
2698 | } | |
2699 | num_macs = hashcount(zvni->mac_table); | |
2700 | if (!num_macs) | |
2701 | return; | |
cd233079 CS |
2702 | |
2703 | if (use_json) { | |
2704 | json = json_object_new_object(); | |
2705 | json_mac = json_object_new_object(); | |
2706 | } | |
2707 | ||
d62a17ae | 2708 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2709 | wctx.zvni = zvni; | |
2710 | wctx.vty = vty; | |
2711 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
2712 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2713 | wctx.json = json_mac; |
d62a17ae | 2714 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
2715 | |
2716 | if (use_json) { | |
2717 | json_object_int_add(json, "numMacs", wctx.count); | |
2718 | if (wctx.count) | |
2719 | json_object_object_add(json, "macs", json_mac); | |
2720 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2721 | json, JSON_C_TO_STRING_PRETTY)); | |
2722 | json_object_free(json); | |
2723 | } | |
cec2e17d | 2724 | } |
2725 | ||
2726 | ||
2727 | /* | |
2728 | * Display VNI information (VTY command handler). | |
2729 | */ | |
cd233079 CS |
2730 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
2731 | u_char use_json) | |
cec2e17d | 2732 | { |
d62a17ae | 2733 | zebra_vni_t *zvni; |
cd233079 CS |
2734 | json_object *json = NULL; |
2735 | void *args[2]; | |
cec2e17d | 2736 | |
d62a17ae | 2737 | if (!EVPN_ENABLED(zvrf)) |
2738 | return; | |
2739 | zvni = zvni_lookup(zvrf, vni); | |
2740 | if (!zvni) { | |
cd233079 CS |
2741 | if (use_json) |
2742 | vty_out(vty, "{}\n"); | |
2743 | else | |
2744 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2745 | return; |
2746 | } | |
cd233079 CS |
2747 | if (use_json) |
2748 | json = json_object_new_object(); | |
2749 | args[0] = vty; | |
2750 | args[1] = json; | |
2751 | zvni_print(zvni, (void *)args); | |
2752 | if (use_json) { | |
2753 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2754 | json, JSON_C_TO_STRING_PRETTY)); | |
2755 | json_object_free(json); | |
2756 | } | |
cec2e17d | 2757 | } |
2758 | ||
2759 | /* | |
2760 | * Display VNI hash table (VTY command handler). | |
2761 | */ | |
cd233079 CS |
2762 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, |
2763 | u_char use_json) | |
cec2e17d | 2764 | { |
d62a17ae | 2765 | u_int32_t num_vnis; |
cd233079 CS |
2766 | json_object *json = NULL; |
2767 | void *args[2]; | |
cec2e17d | 2768 | |
d62a17ae | 2769 | if (!EVPN_ENABLED(zvrf)) |
2770 | return; | |
2771 | num_vnis = hashcount(zvrf->vni_table); | |
cd233079 CS |
2772 | if (!num_vnis) { |
2773 | if (use_json) | |
2774 | vty_out(vty, "{}\n"); | |
d62a17ae | 2775 | return; |
cd233079 CS |
2776 | } |
2777 | if (use_json) { | |
2778 | json = json_object_new_object(); | |
ddd16ed5 MK |
2779 | json_object_string_add(json, "advertiseGatewayMacip", |
2780 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
2781 | json_object_int_add(json, "numVnis", num_vnis); |
2782 | } else { | |
ddd16ed5 MK |
2783 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
2784 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
2785 | vty_out(vty, "Number of VNIs: %u\n", num_vnis); |
2786 | vty_out(vty, "%-10s %-21s %-15s %-8s %-8s %-15s\n", "VNI", | |
2787 | "VxLAN IF", "VTEP IP", "# MACs", "# ARPs", | |
2788 | "# Remote VTEPs"); | |
2789 | } | |
2790 | args[0] = vty; | |
2791 | args[1] = json; | |
2792 | ||
2793 | hash_iterate(zvrf->vni_table, | |
2794 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
2795 | args); | |
2796 | ||
2797 | if (use_json) { | |
2798 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2799 | json, JSON_C_TO_STRING_PRETTY)); | |
2800 | json_object_free(json); | |
2801 | } | |
cec2e17d | 2802 | } |
2803 | ||
2232a77c | 2804 | /* |
2805 | * Handle neighbor delete (on a VLAN device / L3 interface) from the | |
2806 | * kernel. This may result in either the neighbor getting deleted from | |
2807 | * our database or being re-added to the kernel (if it is a valid | |
2808 | * remote neighbor). | |
2809 | */ | |
d62a17ae | 2810 | int zebra_vxlan_local_neigh_del(struct interface *ifp, |
2811 | struct interface *link_if, struct ipaddr *ip) | |
2812 | { | |
2813 | zebra_vni_t *zvni; | |
2814 | zebra_neigh_t *n; | |
2815 | struct zebra_vrf *zvrf; | |
2816 | char buf[INET6_ADDRSTRLEN]; | |
b6938a74 MK |
2817 | char buf2[ETHER_ADDR_STRLEN]; |
2818 | zebra_mac_t *zmac; | |
d62a17ae | 2819 | |
2820 | /* We are only interested in neighbors on an SVI that resides on top | |
2821 | * of a VxLAN bridge. | |
2822 | */ | |
2823 | zvni = zvni_map_svi(ifp, link_if); | |
2824 | if (!zvni) | |
2825 | return 0; | |
2826 | if (!zvni->vxlan_if) { | |
2827 | zlog_err( | |
2828 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
2829 | zvni->vni, zvni); | |
2830 | return -1; | |
2831 | } | |
2832 | ||
2833 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2834 | zlog_debug("%u:Del neighbor %s intf %s(%u) -> VNI %u", | |
2835 | ifp->vrf_id, ipaddr2str(ip, buf, sizeof(buf)), | |
2836 | ifp->name, ifp->ifindex, zvni->vni); | |
2837 | ||
2838 | /* If entry doesn't exist, nothing to do. */ | |
2839 | n = zvni_neigh_lookup(zvni, ip); | |
2840 | if (!n) | |
2841 | return 0; | |
2842 | ||
b6938a74 MK |
2843 | zmac = zvni_mac_lookup(zvni, &n->emac); |
2844 | if (!zmac) { | |
2845 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2846 | zlog_err( | |
2847 | "%u: trying to del a neigh %s without a mac %s on VNI %u", | |
2848 | ifp->vrf_id, ipaddr2str(ip, buf, sizeof(buf)), | |
2849 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), | |
2850 | zvni->vni); | |
2851 | ||
2852 | return 0; | |
2853 | } | |
2854 | ||
d62a17ae | 2855 | /* If it is a remote entry, the kernel has aged this out or someone has |
2856 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
2857 | */ | |
2858 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
2859 | zvni_neigh_install(zvni, n); | |
2860 | return 0; | |
2861 | } | |
2862 | ||
2863 | /* Locate VRF corresponding to interface. */ | |
2864 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
2865 | assert(zvrf); | |
2866 | ||
2867 | /* Remove neighbor from BGP. */ | |
b6938a74 MK |
2868 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2869 | zvni_neigh_send_del_to_client(zvrf, zvni->vni, &n->ip, &n->emac, | |
2870 | 0); | |
d62a17ae | 2871 | |
2872 | /* Delete this neighbor entry. */ | |
2873 | zvni_neigh_del(zvni, n); | |
2874 | ||
b6938a74 MK |
2875 | /* see if the AUTO mac needs to be deleted */ |
2876 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 2877 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
2878 | zvni_mac_del(zvni, zmac); |
2879 | ||
d62a17ae | 2880 | return 0; |
2232a77c | 2881 | } |
2882 | ||
2883 | /* | |
859b32c0 MK |
2884 | * Handle neighbor add or update (on a VLAN device / L3 interface) |
2885 | * from the kernel. | |
2232a77c | 2886 | */ |
d62a17ae | 2887 | int zebra_vxlan_local_neigh_add_update(struct interface *ifp, |
2888 | struct interface *link_if, | |
2889 | struct ipaddr *ip, | |
2890 | struct ethaddr *macaddr, u_int16_t state, | |
2891 | u_char ext_learned) | |
2892 | { | |
2893 | zebra_vni_t *zvni; | |
2894 | zebra_neigh_t *n; | |
2895 | struct zebra_vrf *zvrf; | |
b682f6de | 2896 | zebra_mac_t *zmac, *old_zmac; |
d62a17ae | 2897 | char buf[ETHER_ADDR_STRLEN]; |
2898 | char buf2[INET6_ADDRSTRLEN]; | |
d62a17ae | 2899 | |
2900 | /* We are only interested in neighbors on an SVI that resides on top | |
2901 | * of a VxLAN bridge. | |
2902 | */ | |
2903 | zvni = zvni_map_svi(ifp, link_if); | |
2904 | if (!zvni) | |
2905 | return 0; | |
2906 | ||
2907 | /* Locate VRF corresponding to interface. */ | |
2908 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
2909 | assert(zvrf); | |
2910 | ||
2911 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2912 | zlog_debug( | |
2913 | "%u:Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x " | |
2914 | "%s-> VNI %u", | |
2915 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
2916 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
2917 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
2918 | zvni->vni); | |
2919 | ||
b6938a74 MK |
2920 | /* create a dummy MAC if the MAC is not already present */ |
2921 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2922 | if (!zmac) { | |
2923 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2924 | zlog_debug( | |
2925 | "%u: AUTO MAC %s created for neigh %s on VNI %u", | |
2926 | ifp->vrf_id, | |
2927 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2928 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
2929 | ||
2930 | zmac = zvni_mac_add(zvni, macaddr); | |
2931 | if (!zmac) { | |
2932 | zlog_warn("%u:Failed to add MAC %s VNI %u", | |
2933 | zvrf_id(zvrf), | |
2934 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2935 | zvni->vni); | |
2936 | return -1; | |
2937 | } | |
2938 | ||
2939 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2940 | memset(&zmac->flags, 0, sizeof(u_int32_t)); | |
2941 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
2942 | } | |
2943 | ||
d62a17ae | 2944 | /* If same entry already exists, it might be a change or it might be a |
2945 | * move from remote to local. | |
2946 | */ | |
2947 | n = zvni_neigh_lookup(zvni, ip); | |
2948 | if (n) { | |
2949 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2950 | if (memcmp(n->emac.octet, macaddr->octet, | |
ff8b7eb8 | 2951 | ETH_ALEN) |
d62a17ae | 2952 | == 0) { |
b682f6de | 2953 | /* Update any params and return - client doesn't |
2954 | * care about a purely local change. | |
2955 | */ | |
2956 | n->ifindex = ifp->ifindex; | |
2957 | return 0; | |
57f7feb6 | 2958 | } |
b682f6de | 2959 | |
57f7feb6 MK |
2960 | /* If the MAC has changed, |
2961 | * need to issue a delete first | |
2962 | * as this means a different MACIP route. | |
2963 | * Also, need to do some unlinking/relinking. | |
2964 | */ | |
2965 | zvni_neigh_send_del_to_client(zvrf, zvni->vni, | |
2966 | &n->ip, &n->emac, | |
2967 | 0); | |
2968 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2969 | if (old_zmac) { | |
2970 | listnode_delete(old_zmac->neigh_list, | |
2971 | n); | |
2972 | zvni_deref_ip2mac(zvni, old_zmac, 0); | |
b682f6de | 2973 | } |
57f7feb6 MK |
2974 | |
2975 | /* Set "local" forwarding info. */ | |
2976 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2977 | n->ifindex = ifp->ifindex; | |
2978 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2979 | ||
2980 | /* Link to new MAC */ | |
2981 | listnode_add_sort(zmac->neigh_list, n); | |
d62a17ae | 2982 | } else if (ext_learned) |
2983 | /* The neighbor is remote and that is the notification we got. | |
9d303b37 | 2984 | */ |
d62a17ae | 2985 | { |
859b32c0 | 2986 | /* TODO: Evaluate if we need to do anything here. */ |
d62a17ae | 2987 | return 0; |
2988 | } else | |
2989 | /* Neighbor has moved from remote to local. */ | |
2990 | { | |
2991 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2992 | n->r_vtep_ip.s_addr = 0; | |
b682f6de | 2993 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
2994 | n->ifindex = ifp->ifindex; | |
d62a17ae | 2995 | } |
2996 | } else { | |
b6938a74 | 2997 | n = zvni_neigh_add(zvni, ip, macaddr); |
d62a17ae | 2998 | if (!n) { |
2999 | zlog_err( | |
3000 | "%u:Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", | |
3001 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3002 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3003 | ifp->name, ifp->ifindex, zvni->vni); | |
3004 | return -1; | |
3005 | } | |
b682f6de | 3006 | /* Set "local" forwarding info. */ |
3007 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3008 | n->ifindex = ifp->ifindex; | |
d62a17ae | 3009 | } |
3010 | ||
b6938a74 MK |
3011 | /* Before we program this in BGP, we need to check if MAC is locally |
3012 | * learnt as well */ | |
3013 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
3014 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3015 | zlog_debug( | |
3016 | "%u: Skipping neigh %s add to client as MAC %s is not local on VNI %u", | |
3017 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3018 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3019 | zvni->vni); | |
3020 | ||
3021 | return 0; | |
3022 | } | |
3023 | ||
b682f6de | 3024 | /* Inform BGP. */ |
3025 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3026 | zlog_debug( | |
3027 | "%u: neigh %s (MAC %s) is now ACTIVE on VNI %u", | |
3028 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3029 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3030 | zvni->vni); | |
d62a17ae | 3031 | |
b682f6de | 3032 | ZEBRA_NEIGH_SET_ACTIVE(n); |
3033 | return zvni_neigh_send_add_to_client(zvrf, zvni->vni, ip, | |
3034 | macaddr, 0); | |
2232a77c | 3035 | } |
3036 | ||
b682f6de | 3037 | |
2232a77c | 3038 | /* |
3039 | * Handle message from client to delete a remote MACIP for a VNI. | |
3040 | */ | |
d62a17ae | 3041 | int zebra_vxlan_remote_macip_del(struct zserv *client, int sock, u_short length, |
3042 | struct zebra_vrf *zvrf) | |
3043 | { | |
3044 | struct stream *s; | |
3045 | vni_t vni; | |
3046 | struct ethaddr macaddr; | |
3047 | struct ipaddr ip; | |
3048 | struct in_addr vtep_ip; | |
3049 | zebra_vni_t *zvni; | |
3050 | zebra_mac_t *mac; | |
3051 | zebra_neigh_t *n; | |
3052 | u_short l = 0, ipa_len; | |
3053 | char buf[ETHER_ADDR_STRLEN]; | |
3054 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 3055 | struct interface *ifp = NULL; |
3056 | struct zebra_if *zif = NULL; | |
d62a17ae | 3057 | |
3058 | s = client->ibuf; | |
3059 | ||
3060 | while (l < length) { | |
3061 | /* Obtain each remote MACIP and process. */ | |
3062 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
3063 | * followed by remote VTEP IP. | |
3064 | */ | |
3065 | mac = NULL; | |
3066 | n = NULL; | |
3067 | memset(&ip, 0, sizeof(ip)); | |
3068 | vni = (vni_t)stream_getl(s); | |
ff8b7eb8 | 3069 | stream_get(&macaddr.octet, s, ETH_ALEN); |
d62a17ae | 3070 | ipa_len = stream_getl(s); |
3071 | if (ipa_len) { | |
3072 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
3073 | : IPADDR_V6; | |
3074 | stream_get(&ip.ip.addr, s, ipa_len); | |
3075 | } | |
ff8b7eb8 | 3076 | l += 4 + ETH_ALEN + 4 + ipa_len; |
d62a17ae | 3077 | vtep_ip.s_addr = stream_get_ipv4(s); |
3078 | l += IPV4_MAX_BYTELEN; | |
3079 | ||
3080 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3081 | zlog_debug( | |
3082 | "%u:Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", | |
3083 | zvrf_id(zvrf), | |
3084 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3085 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
3086 | inet_ntoa(vtep_ip), | |
3087 | zebra_route_string(client->proto)); | |
3088 | ||
3089 | /* Locate VNI hash entry - expected to exist. */ | |
3090 | zvni = zvni_lookup(zvrf, vni); | |
3091 | if (!zvni) { | |
3092 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3093 | zlog_debug( | |
3094 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
3095 | "VRF %d VNI %u", | |
3096 | zvrf_id(zvrf), vni); | |
3097 | continue; | |
3098 | } | |
b5ebdc9b | 3099 | ifp = zvni->vxlan_if; |
af026ae4 | 3100 | if (!ifp) { |
d62a17ae | 3101 | zlog_err( |
3102 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
3103 | vni, zvni); | |
3104 | continue; | |
3105 | } | |
b5ebdc9b | 3106 | zif = ifp->info; |
3107 | ||
3108 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3109 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 3110 | continue; |
d62a17ae | 3111 | |
3112 | /* The remote VTEP specified is normally expected to exist, but | |
3113 | * it is | |
3114 | * possible that the peer may delete the VTEP before deleting | |
3115 | * any MACs | |
3116 | * referring to the VTEP, in which case the handler (see | |
3117 | * remote_vtep_del) | |
3118 | * would have already deleted the MACs. | |
3119 | */ | |
3120 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
3121 | continue; | |
3122 | ||
d62a17ae | 3123 | mac = zvni_mac_lookup(zvni, &macaddr); |
3124 | if (ipa_len) | |
3125 | n = zvni_neigh_lookup(zvni, &ip); | |
3126 | ||
3127 | if (n && !mac) { | |
3128 | zlog_err( | |
3129 | "failed to locate MAC %s for neigh %s in VRF %u VNI %u", | |
3130 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3131 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
3132 | zvrf_id(zvrf), vni); | |
3133 | continue; | |
3134 | } | |
3135 | ||
3136 | /* If the remote mac or neighbor doesn't exist there is nothing | |
3137 | * more | |
3138 | * to do. Otherwise, uninstall the entry and then remove it. | |
3139 | */ | |
3140 | if (!mac && !n) | |
3141 | continue; | |
3142 | ||
3143 | /* Uninstall remote neighbor or MAC. */ | |
3144 | if (n) { | |
3145 | /* When the MAC changes for an IP, it is possible the | |
3146 | * client may | |
3147 | * update the new MAC before trying to delete the "old" | |
3148 | * neighbor | |
3149 | * (as these are two different MACIP routes). Do the | |
3150 | * delete only | |
3151 | * if the MAC matches. | |
3152 | */ | |
3153 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
3154 | && (memcmp(n->emac.octet, macaddr.octet, | |
ff8b7eb8 | 3155 | ETH_ALEN) |
d62a17ae | 3156 | == 0)) { |
3157 | zvni_neigh_uninstall(zvni, n); | |
3158 | zvni_neigh_del(zvni, n); | |
3159 | zvni_deref_ip2mac(zvni, mac, 1); | |
3160 | } | |
3161 | } else { | |
3162 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
b6938a74 MK |
3163 | zvni_process_neigh_on_remote_mac_del(zvrf, zvni, |
3164 | mac); | |
3165 | ||
0a97666d | 3166 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 3167 | zvni_mac_uninstall(zvni, mac, 0); |
3168 | zvni_mac_del(zvni, mac); | |
3169 | } else | |
3170 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3171 | } | |
3172 | } | |
3173 | } | |
3174 | ||
3175 | return 0; | |
2232a77c | 3176 | } |
3177 | ||
3178 | /* | |
3179 | * Handle message from client to add a remote MACIP for a VNI. This | |
3180 | * could be just the add of a MAC address or the add of a neighbor | |
3181 | * (IP+MAC). | |
3182 | */ | |
d62a17ae | 3183 | int zebra_vxlan_remote_macip_add(struct zserv *client, int sock, u_short length, |
3184 | struct zebra_vrf *zvrf) | |
3185 | { | |
3186 | struct stream *s; | |
3187 | vni_t vni; | |
3188 | struct ethaddr macaddr; | |
3189 | struct ipaddr ip; | |
3190 | struct in_addr vtep_ip; | |
3191 | zebra_vni_t *zvni; | |
3192 | zebra_vtep_t *zvtep; | |
3193 | zebra_mac_t *mac, *old_mac; | |
3194 | zebra_neigh_t *n; | |
3195 | u_short l = 0, ipa_len; | |
3196 | int update_mac = 0, update_neigh = 0; | |
3197 | char buf[ETHER_ADDR_STRLEN]; | |
3198 | char buf1[INET6_ADDRSTRLEN]; | |
3199 | u_char sticky; | |
b5ebdc9b | 3200 | struct interface *ifp = NULL; |
3201 | struct zebra_if *zif = NULL; | |
d62a17ae | 3202 | |
3203 | assert(EVPN_ENABLED(zvrf)); | |
3204 | ||
3205 | s = client->ibuf; | |
3206 | ||
3207 | while (l < length) { | |
3208 | /* Obtain each remote MACIP and process. */ | |
3209 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
3210 | * followed by remote VTEP IP. | |
3211 | */ | |
3212 | update_mac = update_neigh = 0; | |
3213 | mac = NULL; | |
3214 | n = NULL; | |
3215 | memset(&ip, 0, sizeof(ip)); | |
3216 | vni = (vni_t)stream_getl(s); | |
ff8b7eb8 | 3217 | stream_get(&macaddr.octet, s, ETH_ALEN); |
d62a17ae | 3218 | ipa_len = stream_getl(s); |
3219 | if (ipa_len) { | |
3220 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
3221 | : IPADDR_V6; | |
3222 | stream_get(&ip.ip.addr, s, ipa_len); | |
3223 | } | |
ff8b7eb8 | 3224 | l += 4 + ETH_ALEN + 4 + ipa_len; |
d62a17ae | 3225 | vtep_ip.s_addr = stream_get_ipv4(s); |
3226 | l += IPV4_MAX_BYTELEN; | |
3227 | ||
3228 | /* Get 'sticky' flag. */ | |
3229 | sticky = stream_getc(s); | |
3230 | l++; | |
3231 | ||
3232 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3233 | zlog_debug( | |
3234 | "%u:Recv MACIP Add %sMAC %s IP %s VNI %u Remote VTEP %s from %s", | |
3235 | zvrf_id(zvrf), sticky ? "sticky " : "", | |
3236 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3237 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
3238 | inet_ntoa(vtep_ip), | |
3239 | zebra_route_string(client->proto)); | |
3240 | ||
3241 | /* Locate VNI hash entry - expected to exist. */ | |
3242 | zvni = zvni_lookup(zvrf, vni); | |
3243 | if (!zvni) { | |
3244 | zlog_err( | |
3245 | "Failed to locate VNI hash upon remote MACIP ADD, VRF %d VNI %u", | |
3246 | zvrf_id(zvrf), vni); | |
3247 | continue; | |
3248 | } | |
b5ebdc9b | 3249 | ifp = zvni->vxlan_if; |
3250 | if (!ifp) { | |
d62a17ae | 3251 | zlog_err( |
3252 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
3253 | vni, zvni); | |
3254 | continue; | |
3255 | } | |
b5ebdc9b | 3256 | zif = ifp->info; |
3257 | ||
3258 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3259 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 3260 | continue; |
3261 | ||
3262 | /* The remote VTEP specified should normally exist, but it is | |
3263 | * possible | |
3264 | * that when peering comes up, peer may advertise MACIP routes | |
3265 | * before | |
3266 | * advertising type-3 routes. | |
3267 | */ | |
3268 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
3269 | if (!zvtep) { | |
3270 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
3271 | zlog_err( | |
3272 | "Failed to add remote VTEP, VRF %d VNI %u zvni %p", | |
3273 | zvrf_id(zvrf), vni, zvni); | |
3274 | continue; | |
3275 | } | |
3276 | ||
3277 | zvni_vtep_install(zvni, &vtep_ip); | |
3278 | } | |
3279 | ||
3280 | /* First, check if the remote MAC is unknown or has a change. If | |
3281 | * so, | |
3282 | * that needs to be updated first. Note that client could | |
3283 | * install | |
3284 | * MAC and MACIP separately or just install the latter. | |
3285 | */ | |
3286 | mac = zvni_mac_lookup(zvni, &macaddr); | |
3287 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
3288 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
3289 | != sticky | |
3290 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
3291 | update_mac = 1; | |
3292 | ||
3293 | if (update_mac) { | |
3294 | if (!mac) { | |
3295 | mac = zvni_mac_add(zvni, &macaddr); | |
3296 | if (!mac) { | |
3297 | zlog_warn( | |
3298 | "%u:Failed to add MAC %s VNI %u Remote VTEP %s", | |
3299 | zvrf_id(zvrf), | |
3300 | prefix_mac2str(&macaddr, buf, | |
3301 | sizeof(buf)), | |
3302 | vni, inet_ntoa(vtep_ip)); | |
3303 | return -1; | |
3304 | } | |
3305 | ||
3306 | /* Is this MAC created for a MACIP? */ | |
3307 | if (ipa_len) | |
3308 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 3309 | } |
3310 | ||
3311 | /* Set "auto" and "remote" forwarding info. */ | |
3312 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3313 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
3314 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
3315 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
3316 | ||
3317 | if (sticky) | |
3318 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3319 | else | |
3320 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3321 | ||
b6938a74 MK |
3322 | zvni_process_neigh_on_remote_mac_add(zvrf, zvni, mac); |
3323 | ||
d62a17ae | 3324 | /* Install the entry. */ |
3325 | zvni_mac_install(zvni, mac); | |
3326 | } | |
3327 | ||
3328 | /* If there is no IP, continue - after clearing AUTO flag of | |
3329 | * MAC. */ | |
3330 | if (!ipa_len) { | |
3331 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3332 | continue; | |
3333 | } | |
3334 | ||
3335 | /* Check if the remote neighbor itself is unknown or has a | |
3336 | * change. | |
3337 | * If so, create or update and then install the entry. | |
3338 | */ | |
3339 | n = zvni_neigh_lookup(zvni, &ip); | |
3340 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
3341 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
3342 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
3343 | update_neigh = 1; | |
3344 | ||
3345 | if (update_neigh) { | |
3346 | if (!n) { | |
b6938a74 | 3347 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 3348 | if (!n) { |
3349 | zlog_warn( | |
3350 | "%u:Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
3351 | zvrf_id(zvrf), | |
3352 | ipaddr2str(&ip, buf1, | |
3353 | sizeof(buf1)), | |
3354 | prefix_mac2str(&macaddr, buf, | |
3355 | sizeof(buf)), | |
3356 | vni, inet_ntoa(vtep_ip)); | |
3357 | return -1; | |
3358 | } | |
3359 | ||
d62a17ae | 3360 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
3361 | != 0) { | |
0a97666d MK |
3362 | /* MAC change, update neigh list for old and new |
3363 | * mac */ | |
d62a17ae | 3364 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
3365 | if (old_mac) { |
3366 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 3367 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
3368 | } |
3369 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 3370 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 3371 | } |
3372 | ||
3373 | /* Set "remote" forwarding info. */ | |
3374 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3375 | /* TODO: Handle MAC change. */ | |
d62a17ae | 3376 | n->r_vtep_ip = vtep_ip; |
3377 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
3378 | ||
3379 | /* Install the entry. */ | |
3380 | zvni_neigh_install(zvni, n); | |
3381 | } | |
3382 | } | |
3383 | ||
3384 | return 0; | |
13d60d35 | 3385 | } |
3386 | ||
3387 | /* | |
2232a77c | 3388 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
3389 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
3390 | * of any prior local MAC. | |
13d60d35 | 3391 | */ |
d62a17ae | 3392 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
3393 | struct interface *br_if, | |
3394 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3395 | { |
d62a17ae | 3396 | struct zebra_if *zif; |
3397 | struct zebra_vrf *zvrf; | |
3398 | struct zebra_l2info_vxlan *vxl; | |
3399 | vni_t vni; | |
3400 | zebra_vni_t *zvni; | |
3401 | zebra_mac_t *mac; | |
3402 | char buf[ETHER_ADDR_STRLEN]; | |
3403 | u_char sticky; | |
13d60d35 | 3404 | |
d62a17ae | 3405 | zif = ifp->info; |
3406 | assert(zif); | |
3407 | vxl = &zif->l2info.vxl; | |
3408 | vni = vxl->vni; | |
13d60d35 | 3409 | |
d62a17ae | 3410 | /* Locate VRF corresponding to interface. */ |
3411 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
3412 | assert(zvrf); | |
13d60d35 | 3413 | |
d62a17ae | 3414 | /* If EVPN is not enabled, nothing to do. */ |
3415 | if (!EVPN_ENABLED(zvrf)) | |
3416 | return 0; | |
13d60d35 | 3417 | |
d62a17ae | 3418 | /* Locate hash entry; it is expected to exist. */ |
3419 | zvni = zvni_lookup(zvrf, vni); | |
3420 | if (!zvni) | |
3421 | return 0; | |
13d60d35 | 3422 | |
d62a17ae | 3423 | /* If entry doesn't exist, nothing to do. */ |
3424 | mac = zvni_mac_lookup(zvni, macaddr); | |
3425 | if (!mac) | |
3426 | return 0; | |
13d60d35 | 3427 | |
d62a17ae | 3428 | /* Is it a local entry? */ |
3429 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
3430 | return 0; | |
13d60d35 | 3431 | |
d62a17ae | 3432 | if (IS_ZEBRA_DEBUG_VXLAN) |
3433 | zlog_debug( | |
3434 | "%u:Add/update remote MAC %s intf %s(%u) VNI %u - del local", | |
3435 | ifp->vrf_id, prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3436 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 3437 | |
d62a17ae | 3438 | /* Remove MAC from BGP. */ |
3439 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
1a98c087 MK |
3440 | zvni_mac_send_del_to_client(zvrf, zvni->vni, macaddr, |
3441 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); | |
13d60d35 | 3442 | |
b6938a74 MK |
3443 | /* |
3444 | * If there are no neigh associated with the mac delete the mac | |
3445 | * else mark it as AUTO for forward reference | |
3446 | */ | |
3447 | if (!listcount(mac->neigh_list)) { | |
3448 | zvni_mac_del(zvni, mac); | |
3449 | } else { | |
3450 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3451 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3452 | } | |
13d60d35 | 3453 | |
d62a17ae | 3454 | return 0; |
13d60d35 | 3455 | } |
3456 | ||
3457 | /* | |
2232a77c | 3458 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
3459 | * This can happen because the remote MAC entries are also added as "dynamic", | |
3460 | * so the kernel can ageout the entry. | |
13d60d35 | 3461 | */ |
d62a17ae | 3462 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
3463 | struct interface *br_if, | |
3464 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3465 | { |
d62a17ae | 3466 | struct zebra_if *zif; |
3467 | struct zebra_vrf *zvrf; | |
3468 | struct zebra_l2info_vxlan *vxl; | |
3469 | vni_t vni; | |
3470 | zebra_vni_t *zvni; | |
3471 | zebra_mac_t *mac; | |
3472 | char buf[ETHER_ADDR_STRLEN]; | |
2232a77c | 3473 | |
d62a17ae | 3474 | zif = ifp->info; |
3475 | assert(zif); | |
3476 | vxl = &zif->l2info.vxl; | |
3477 | vni = vxl->vni; | |
2232a77c | 3478 | |
d62a17ae | 3479 | /* Locate VRF corresponding to interface. */ |
3480 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
3481 | assert(zvrf); | |
13d60d35 | 3482 | |
d62a17ae | 3483 | /* If EVPN is not enabled, nothing to do. */ |
3484 | if (!EVPN_ENABLED(zvrf)) | |
3485 | return 0; | |
2232a77c | 3486 | |
d62a17ae | 3487 | /* Locate hash entry; it is expected to exist. */ |
3488 | zvni = zvni_lookup(zvrf, vni); | |
3489 | if (!zvni) | |
3490 | return 0; | |
13d60d35 | 3491 | |
d62a17ae | 3492 | /* If entry doesn't exist, nothing to do. */ |
3493 | mac = zvni_mac_lookup(zvni, macaddr); | |
3494 | if (!mac) | |
3495 | return 0; | |
2232a77c | 3496 | |
d62a17ae | 3497 | /* Is it a remote entry? */ |
3498 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
3499 | return 0; | |
2232a77c | 3500 | |
d62a17ae | 3501 | if (IS_ZEBRA_DEBUG_VXLAN) |
3502 | zlog_debug("%u:Del remote MAC %s intf %s(%u) VNI %u - readd", | |
3503 | ifp->vrf_id, | |
3504 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3505 | ifp->ifindex, vni); | |
13d60d35 | 3506 | |
d62a17ae | 3507 | zvni_mac_install(zvni, mac); |
3508 | return 0; | |
13d60d35 | 3509 | } |
3510 | ||
3511 | /* | |
2232a77c | 3512 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 3513 | */ |
d62a17ae | 3514 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
3515 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3516 | { |
d62a17ae | 3517 | zebra_vni_t *zvni; |
3518 | zebra_mac_t *mac; | |
3519 | struct zebra_vrf *zvrf; | |
3520 | char buf[ETHER_ADDR_STRLEN]; | |
3521 | u_char sticky; | |
13d60d35 | 3522 | |
d62a17ae | 3523 | /* We are interested in MACs only on ports or (port, VLAN) that |
3524 | * map to a VNI. | |
3525 | */ | |
3526 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
3527 | if (!zvni) | |
3528 | return 0; | |
3529 | if (!zvni->vxlan_if) { | |
3530 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
3531 | zvni->vni, zvni); | |
3532 | return -1; | |
3533 | } | |
13d60d35 | 3534 | |
d62a17ae | 3535 | if (IS_ZEBRA_DEBUG_VXLAN) |
3536 | zlog_debug("%u:Del MAC %s intf %s(%u) VID %u -> VNI %u", | |
3537 | ifp->vrf_id, | |
3538 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3539 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 3540 | |
d62a17ae | 3541 | /* If entry doesn't exist, nothing to do. */ |
3542 | mac = zvni_mac_lookup(zvni, macaddr); | |
3543 | if (!mac) | |
3544 | return 0; | |
2232a77c | 3545 | |
d62a17ae | 3546 | /* Is it a local entry? */ |
3547 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
3548 | return 0; | |
2232a77c | 3549 | |
d62a17ae | 3550 | /* Locate VRF corresponding to interface. */ |
3551 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
3552 | assert(zvrf); | |
2232a77c | 3553 | |
d62a17ae | 3554 | /* Remove MAC from BGP. */ |
3555 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
1a98c087 MK |
3556 | zvni_mac_send_del_to_client(zvrf, zvni->vni, macaddr, |
3557 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); | |
2232a77c | 3558 | |
b6938a74 MK |
3559 | /* Update all the neigh entries associated with this mac */ |
3560 | zvni_process_neigh_on_local_mac_del(zvrf, zvni, mac); | |
3561 | ||
3562 | /* | |
3563 | * If there are no neigh associated with the mac delete the mac | |
3564 | * else mark it as AUTO for forward reference | |
3565 | */ | |
3566 | if (!listcount(mac->neigh_list)) { | |
3567 | zvni_mac_del(zvni, mac); | |
3568 | } else { | |
3569 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3570 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3571 | } | |
2232a77c | 3572 | |
d62a17ae | 3573 | return 0; |
13d60d35 | 3574 | } |
3575 | ||
3576 | /* | |
2232a77c | 3577 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 3578 | */ |
d62a17ae | 3579 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
3580 | struct interface *br_if, | |
3581 | struct ethaddr *macaddr, vlanid_t vid, | |
3582 | u_char sticky) | |
3583 | { | |
3584 | zebra_vni_t *zvni; | |
3585 | zebra_mac_t *mac; | |
3586 | struct zebra_vrf *zvrf; | |
3587 | char buf[ETHER_ADDR_STRLEN]; | |
3588 | int add = 1; | |
3589 | u_char mac_sticky; | |
3590 | ||
3591 | /* We are interested in MACs only on ports or (port, VLAN) that | |
3592 | * map to a VNI. | |
3593 | */ | |
3594 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
3595 | if (!zvni) { | |
3596 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3597 | zlog_debug( | |
3598 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", | |
3599 | ifp->vrf_id, sticky ? "sticky " : "", | |
3600 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3601 | ifp->name, ifp->ifindex, vid); | |
3602 | return 0; | |
3603 | } | |
3604 | ||
3605 | if (!zvni->vxlan_if) { | |
3606 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
3607 | zvni->vni, zvni); | |
3608 | return -1; | |
3609 | } | |
3610 | ||
3611 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3612 | zlog_debug( | |
3613 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
3614 | ifp->vrf_id, sticky ? "sticky " : "", | |
3615 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3616 | ifp->ifindex, vid, zvni->vni); | |
3617 | ||
3618 | /* If same entry already exists, nothing to do. */ | |
3619 | mac = zvni_mac_lookup(zvni, macaddr); | |
3620 | if (mac) { | |
3621 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
3622 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
3623 | ? 1 | |
3624 | : 0; | |
3625 | ||
b6938a74 | 3626 | |
b8ce75a5 MK |
3627 | /* |
3628 | * return if nothing has changed. | |
3629 | * inform bgp if sticky flag has changed | |
3630 | * update locally and do not inform bgp if local | |
3631 | * parameters like interface has changed | |
3632 | */ | |
d62a17ae | 3633 | if (mac_sticky == sticky |
3634 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
3635 | && mac->fwd_info.local.vid == vid) { | |
3636 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3637 | zlog_debug( | |
3638 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " | |
3639 | "entry exists and has not changed ", | |
3640 | ifp->vrf_id, | |
3641 | sticky ? "sticky " : "", | |
3642 | prefix_mac2str(macaddr, buf, | |
3643 | sizeof(buf)), | |
3644 | ifp->name, ifp->ifindex, vid, | |
3645 | zvni->vni); | |
3646 | return 0; | |
b6938a74 | 3647 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 3648 | add = 1; |
b6938a74 | 3649 | } else { |
b8ce75a5 MK |
3650 | add = 0; /* This is an update of local |
3651 | interface. */ | |
b6938a74 | 3652 | } |
421bb26a MK |
3653 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
3654 | /* | |
3655 | * If we have already learned the MAC as a remote sticky | |
3656 | * MAC, | |
3657 | * this is a operator error and we must log a warning | |
3658 | */ | |
8f4b98ee | 3659 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
3660 | zlog_warn( |
3661 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
3662 | prefix_mac2str(macaddr, buf, | |
3663 | sizeof(buf)), | |
3664 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
3665 | zvni->vni); | |
8f4b98ee MK |
3666 | return 0; |
3667 | } | |
d62a17ae | 3668 | } |
3669 | } | |
3670 | ||
3671 | /* Locate VRF corresponding to interface. */ | |
3672 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
3673 | assert(zvrf); | |
3674 | ||
3675 | if (!mac) { | |
3676 | mac = zvni_mac_add(zvni, macaddr); | |
3677 | if (!mac) { | |
3678 | zlog_err("%u:Failed to add MAC %s intf %s(%u) VID %u", | |
3679 | ifp->vrf_id, | |
3680 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3681 | ifp->name, ifp->ifindex, vid); | |
3682 | return -1; | |
3683 | } | |
3684 | } | |
3685 | ||
3686 | /* Set "local" forwarding info. */ | |
3687 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 3688 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 3689 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 3690 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 3691 | mac->fwd_info.local.ifindex = ifp->ifindex; |
3692 | mac->fwd_info.local.vid = vid; | |
3693 | ||
3694 | if (sticky) | |
3695 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3696 | else | |
3697 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3698 | ||
3699 | /* Inform BGP if required. */ | |
b6938a74 MK |
3700 | if (add) { |
3701 | zvni_process_neigh_on_local_mac_add(zvrf, zvni, mac); | |
3702 | return zvni_mac_send_add_to_client(zvrf, zvni->vni, macaddr, | |
3703 | sticky); | |
3704 | } | |
d62a17ae | 3705 | |
3706 | return 0; | |
2232a77c | 3707 | } |
13d60d35 | 3708 | |
3709 | /* | |
3710 | * Handle message from client to delete a remote VTEP for a VNI. | |
3711 | */ | |
d62a17ae | 3712 | int zebra_vxlan_remote_vtep_del(struct zserv *client, int sock, u_short length, |
3713 | struct zebra_vrf *zvrf) | |
3714 | { | |
3715 | struct stream *s; | |
3716 | u_short l = 0; | |
3717 | vni_t vni; | |
3718 | struct in_addr vtep_ip; | |
3719 | zebra_vni_t *zvni; | |
3720 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 3721 | struct interface *ifp; |
3722 | struct zebra_if *zif; | |
d62a17ae | 3723 | |
3724 | s = client->ibuf; | |
3725 | ||
3726 | while (l < length) { | |
3727 | /* Obtain each remote VTEP and process. */ | |
3728 | vni = (vni_t)stream_getl(s); | |
3729 | l += 4; | |
3730 | vtep_ip.s_addr = stream_get_ipv4(s); | |
3731 | l += IPV4_MAX_BYTELEN; | |
3732 | ||
3733 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3734 | zlog_debug("%u:Recv VTEP_DEL %s VNI %u from %s", | |
3735 | zvrf_id(zvrf), inet_ntoa(vtep_ip), vni, | |
3736 | zebra_route_string(client->proto)); | |
3737 | ||
3738 | /* Locate VNI hash entry - expected to exist. */ | |
3739 | zvni = zvni_lookup(zvrf, vni); | |
3740 | if (!zvni) { | |
3741 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3742 | zlog_debug( | |
3743 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
3744 | "VRF %d VNI %u", | |
3745 | zvrf_id(zvrf), vni); | |
3746 | continue; | |
3747 | } | |
3748 | ||
b5ebdc9b | 3749 | ifp = zvni->vxlan_if; |
3750 | if (!ifp) { | |
b682f6de | 3751 | zlog_err("VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
3752 | zvni->vni, zvni); | |
3753 | continue; | |
b5ebdc9b | 3754 | } |
3755 | zif = ifp->info; | |
3756 | ||
3757 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3758 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 3759 | continue; |
3760 | ||
d62a17ae | 3761 | /* If the remote VTEP does not exist, there's nothing more to |
3762 | * do. | |
3763 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
3764 | * and | |
3765 | * then, the VTEP entry itself and remove it. | |
3766 | */ | |
3767 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
3768 | if (!zvtep) | |
3769 | continue; | |
3770 | ||
3771 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
3772 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
3773 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
3774 | zvni_vtep_del(zvni, zvtep); | |
3775 | } | |
3776 | ||
3777 | return 0; | |
13d60d35 | 3778 | } |
3779 | ||
3780 | /* | |
3781 | * Handle message from client to add a remote VTEP for a VNI. | |
3782 | */ | |
d62a17ae | 3783 | int zebra_vxlan_remote_vtep_add(struct zserv *client, int sock, u_short length, |
3784 | struct zebra_vrf *zvrf) | |
3785 | { | |
3786 | struct stream *s; | |
3787 | u_short l = 0; | |
3788 | vni_t vni; | |
3789 | struct in_addr vtep_ip; | |
3790 | zebra_vni_t *zvni; | |
b5ebdc9b | 3791 | struct interface *ifp; |
3792 | struct zebra_if *zif; | |
d62a17ae | 3793 | |
3794 | assert(EVPN_ENABLED(zvrf)); | |
3795 | ||
3796 | s = client->ibuf; | |
3797 | ||
3798 | while (l < length) { | |
3799 | /* Obtain each remote VTEP and process. */ | |
3800 | vni = (vni_t)stream_getl(s); | |
3801 | l += 4; | |
3802 | vtep_ip.s_addr = stream_get_ipv4(s); | |
3803 | l += IPV4_MAX_BYTELEN; | |
3804 | ||
3805 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3806 | zlog_debug("%u:Recv VTEP_ADD %s VNI %u from %s", | |
3807 | zvrf_id(zvrf), inet_ntoa(vtep_ip), vni, | |
3808 | zebra_route_string(client->proto)); | |
3809 | ||
3810 | /* Locate VNI hash entry - expected to exist. */ | |
3811 | zvni = zvni_lookup(zvrf, vni); | |
3812 | if (!zvni) { | |
3813 | zlog_err( | |
3814 | "Failed to locate VNI hash upon remote VTEP ADD, VRF %d VNI %u", | |
3815 | zvrf_id(zvrf), vni); | |
3816 | continue; | |
3817 | } | |
b5ebdc9b | 3818 | |
3819 | ifp = zvni->vxlan_if; | |
3820 | if (!ifp) { | |
d62a17ae | 3821 | zlog_err( |
3822 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
3823 | zvni->vni, zvni); | |
3824 | continue; | |
3825 | } | |
3826 | ||
b5ebdc9b | 3827 | zif = ifp->info; |
d62a17ae | 3828 | |
b5ebdc9b | 3829 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 3830 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 3831 | continue; |
3832 | ||
b682f6de | 3833 | /* If the remote VTEP already exists, |
3834 | there's nothing more to do. */ | |
b5ebdc9b | 3835 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 3836 | continue; |
3837 | ||
3838 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
3839 | zlog_err( | |
3840 | "Failed to add remote VTEP, VRF %d VNI %u zvni %p", | |
3841 | zvrf_id(zvrf), vni, zvni); | |
3842 | continue; | |
3843 | } | |
3844 | ||
3845 | zvni_vtep_install(zvni, &vtep_ip); | |
3846 | } | |
3847 | ||
3848 | return 0; | |
13d60d35 | 3849 | } |
3850 | ||
1a98c087 MK |
3851 | /* |
3852 | * Add/Del gateway macip to evpn | |
3853 | * g/w can be: | |
3854 | * 1. SVI interface on a vlan aware bridge | |
3855 | * 2. SVI interface on a vlan unaware bridge | |
3856 | * 3. vrr interface (MACVLAN) associated to a SVI | |
3857 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
3858 | */ | |
3859 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
3860 | int add) | |
3861 | { | |
3862 | struct ipaddr ip; | |
3863 | struct ethaddr macaddr; | |
3864 | zebra_vni_t *zvni = NULL; | |
3865 | struct zebra_vrf *zvrf = NULL; | |
3866 | ||
3867 | memset(&ip, 0, sizeof(struct ipaddr)); | |
3868 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
3869 | ||
297a21b6 MK |
3870 | zvrf = vrf_info_lookup(ifp->vrf_id); |
3871 | if (!zvrf) | |
3872 | return -1; | |
3873 | ||
3874 | if (!EVPN_ENABLED(zvrf)) | |
3875 | return 0; | |
3876 | ||
1a98c087 MK |
3877 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
3878 | struct interface *svi_if = | |
3879 | NULL; /* SVI corresponding to the MACVLAN */ | |
3880 | struct zebra_if *ifp_zif = | |
3881 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
3882 | struct zebra_if *svi_if_zif = | |
3883 | NULL; /* Zebra daemon specific info for SVI*/ | |
3884 | ||
3885 | ifp_zif = ifp->info; | |
3886 | if (!ifp_zif) | |
3887 | return -1; | |
3888 | ||
3889 | svi_if = ifp_zif->link; | |
3890 | if (!svi_if) { | |
3891 | zlog_err("%u:MACVLAN %s(%u) without link information", | |
3892 | ifp->vrf_id, ifp->name, ifp->ifindex); | |
3893 | return -1; | |
3894 | } | |
3895 | ||
3896 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
3897 | svi_if_zif = svi_if->info; | |
3898 | if (svi_if_zif) | |
3899 | zvni = zvni_map_svi(svi_if, svi_if_zif->link); | |
3900 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { | |
3901 | zvni = zvni_map_svi(svi_if, svi_if); | |
3902 | } | |
3903 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
3904 | struct zebra_if *svi_if_zif = | |
3905 | NULL; /* Zebra daemon specific info for SVI*/ | |
3906 | ||
3907 | svi_if_zif = ifp->info; | |
3908 | if (svi_if_zif) | |
3909 | zvni = zvni_map_svi(ifp, svi_if_zif->link); | |
3910 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { | |
3911 | zvni = zvni_map_svi(ifp, ifp); | |
3912 | } | |
3913 | ||
3914 | if (!zvni) | |
3915 | return 0; | |
3916 | ||
3917 | if (!zvni->vxlan_if) { | |
3918 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
3919 | zvni->vni, zvni); | |
3920 | return -1; | |
3921 | } | |
3922 | ||
1a98c087 MK |
3923 | |
3924 | /* check if we are advertising gw macip routes */ | |
3925 | if (!advertise_gw_macip_enabled(zvrf, zvni)) | |
3926 | return 0; | |
3927 | ||
3928 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
3929 | ||
3930 | if (p->family == AF_INET) { | |
3931 | ip.ipa_type = IPADDR_V4; | |
3932 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
3933 | sizeof(struct in_addr)); | |
3934 | } else if (p->family == AF_INET6) { | |
3935 | ip.ipa_type = IPADDR_V6; | |
3936 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
3937 | sizeof(struct in6_addr)); | |
3938 | } | |
3939 | ||
3940 | ||
3941 | if (add) | |
3942 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
3943 | else | |
3944 | zvni_gw_macip_del(ifp, zvni, &ip); | |
3945 | ||
3946 | return 0; | |
3947 | } | |
3948 | ||
2232a77c | 3949 | /* |
3950 | * Handle SVI interface going down. At this point, this is a NOP since | |
3951 | * the kernel deletes the neighbor entries on this SVI (if any). | |
3952 | */ | |
d62a17ae | 3953 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 3954 | { |
d62a17ae | 3955 | return 0; |
2232a77c | 3956 | } |
3957 | ||
3958 | /* | |
3959 | * Handle SVI interface coming up. This may or may not be of interest, | |
3960 | * but if this is a SVI on a VxLAN bridge, we need to install any remote | |
3961 | * neighbor entries (which will be used for EVPN ARP suppression). | |
3962 | */ | |
d62a17ae | 3963 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 3964 | { |
d62a17ae | 3965 | zebra_vni_t *zvni; |
3966 | struct neigh_walk_ctx n_wctx; | |
2232a77c | 3967 | |
d62a17ae | 3968 | zvni = zvni_map_svi(ifp, link_if); |
3969 | if (!zvni) | |
3970 | return 0; | |
2232a77c | 3971 | |
d62a17ae | 3972 | if (!zvni->vxlan_if) { |
3973 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
3974 | zvni->vni, zvni); | |
3975 | return -1; | |
3976 | } | |
2232a77c | 3977 | |
d62a17ae | 3978 | if (IS_ZEBRA_DEBUG_VXLAN) |
3979 | zlog_debug("%u:SVI %s(%u) VNI %u is UP, installing neighbors", | |
3980 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni); | |
2232a77c | 3981 | |
d62a17ae | 3982 | /* Install any remote neighbors for this VNI. */ |
3983 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
3984 | n_wctx.zvni = zvni; | |
3985 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, &n_wctx); | |
2232a77c | 3986 | |
d62a17ae | 3987 | return 0; |
2232a77c | 3988 | } |
3989 | ||
13d60d35 | 3990 | /* |
3991 | * Handle VxLAN interface down - update BGP if required, and do | |
3992 | * internal cleanup. | |
3993 | */ | |
d62a17ae | 3994 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 3995 | { |
d62a17ae | 3996 | struct zebra_if *zif; |
3997 | struct zebra_vrf *zvrf; | |
3998 | zebra_vni_t *zvni; | |
3999 | struct zebra_l2info_vxlan *vxl; | |
4000 | vni_t vni; | |
13d60d35 | 4001 | |
d62a17ae | 4002 | /* Locate VRF corresponding to interface. */ |
4003 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4004 | assert(zvrf); | |
13d60d35 | 4005 | |
d62a17ae | 4006 | /* If EVPN is not enabled, nothing further to be done. */ |
4007 | if (!EVPN_ENABLED(zvrf)) | |
4008 | return 0; | |
13d60d35 | 4009 | |
d62a17ae | 4010 | zif = ifp->info; |
4011 | assert(zif); | |
4012 | vxl = &zif->l2info.vxl; | |
4013 | vni = vxl->vni; | |
13d60d35 | 4014 | |
d62a17ae | 4015 | if (IS_ZEBRA_DEBUG_VXLAN) |
4016 | zlog_debug("%u:Intf %s(%u) VNI %u is DOWN", ifp->vrf_id, | |
4017 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 4018 | |
d62a17ae | 4019 | /* Locate hash entry; it is expected to exist. */ |
4020 | zvni = zvni_lookup(zvrf, vni); | |
4021 | if (!zvni) { | |
4022 | zlog_err( | |
4023 | "Failed to locate VNI hash at DOWN, VRF %d IF %s(%u) VNI %u", | |
4024 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4025 | return -1; | |
4026 | } | |
13d60d35 | 4027 | |
d62a17ae | 4028 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 4029 | |
d62a17ae | 4030 | /* Delete this VNI from BGP. */ |
4031 | zvni_send_del_to_client(zvrf, zvni->vni); | |
13d60d35 | 4032 | |
d62a17ae | 4033 | /* Free up all neighbors and MACs, if any. */ |
4034 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
4035 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 4036 | |
d62a17ae | 4037 | /* Free up all remote VTEPs, if any. */ |
4038 | zvni_vtep_del_all(zvni, 1); | |
13d60d35 | 4039 | |
d62a17ae | 4040 | return 0; |
13d60d35 | 4041 | } |
4042 | ||
4043 | /* | |
4044 | * Handle VxLAN interface up - update BGP if required. | |
4045 | */ | |
d62a17ae | 4046 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 4047 | { |
d62a17ae | 4048 | struct zebra_if *zif; |
4049 | struct zebra_vrf *zvrf; | |
4050 | zebra_vni_t *zvni; | |
4051 | struct zebra_l2info_vxlan *vxl; | |
4052 | vni_t vni; | |
13d60d35 | 4053 | |
d62a17ae | 4054 | /* Locate VRF corresponding to interface. */ |
4055 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4056 | assert(zvrf); | |
13d60d35 | 4057 | |
d62a17ae | 4058 | /* If EVPN is not enabled, nothing further to be done. */ |
4059 | if (!EVPN_ENABLED(zvrf)) | |
4060 | return 0; | |
13d60d35 | 4061 | |
d62a17ae | 4062 | zif = ifp->info; |
4063 | assert(zif); | |
4064 | vxl = &zif->l2info.vxl; | |
4065 | vni = vxl->vni; | |
13d60d35 | 4066 | |
d62a17ae | 4067 | if (IS_ZEBRA_DEBUG_VXLAN) |
4068 | zlog_debug("%u:Intf %s(%u) VNI %u is UP", ifp->vrf_id, | |
4069 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 4070 | |
d62a17ae | 4071 | /* Locate hash entry; it is expected to exist. */ |
4072 | zvni = zvni_lookup(zvrf, vni); | |
4073 | if (!zvni) { | |
4074 | zlog_err( | |
4075 | "Failed to locate VNI hash at UP, VRF %d IF %s(%u) VNI %u", | |
4076 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4077 | return -1; | |
4078 | } | |
13d60d35 | 4079 | |
d62a17ae | 4080 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 4081 | |
d62a17ae | 4082 | /* If part of a bridge, inform BGP about this VNI. */ |
4083 | /* Also, read and populate local MACs and neighbors. */ | |
4084 | if (zif->brslave_info.br_if) { | |
4085 | zvni_send_add_to_client(zvrf, zvni); | |
4086 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4087 | } | |
13d60d35 | 4088 | |
d62a17ae | 4089 | return 0; |
13d60d35 | 4090 | } |
4091 | ||
4092 | /* | |
4093 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
4094 | * and update BGP, if required. | |
4095 | */ | |
d62a17ae | 4096 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 4097 | { |
d62a17ae | 4098 | struct zebra_if *zif; |
4099 | struct zebra_vrf *zvrf; | |
4100 | zebra_vni_t *zvni; | |
4101 | struct zebra_l2info_vxlan *vxl; | |
4102 | vni_t vni; | |
13d60d35 | 4103 | |
d62a17ae | 4104 | /* Locate VRF corresponding to interface. */ |
4105 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4106 | assert(zvrf); | |
13d60d35 | 4107 | |
d62a17ae | 4108 | /* If EVPN is not enabled, nothing further to be done. */ |
4109 | if (!EVPN_ENABLED(zvrf)) | |
4110 | return 0; | |
13d60d35 | 4111 | |
d62a17ae | 4112 | zif = ifp->info; |
4113 | assert(zif); | |
4114 | vxl = &zif->l2info.vxl; | |
4115 | vni = vxl->vni; | |
13d60d35 | 4116 | |
d62a17ae | 4117 | if (IS_ZEBRA_DEBUG_VXLAN) |
4118 | zlog_debug("%u:Del VNI %u intf %s(%u)", ifp->vrf_id, vni, | |
4119 | ifp->name, ifp->ifindex); | |
13d60d35 | 4120 | |
d62a17ae | 4121 | /* Locate hash entry; it is expected to exist. */ |
4122 | zvni = zvni_lookup(zvrf, vni); | |
4123 | if (!zvni) { | |
4124 | zlog_err( | |
4125 | "Failed to locate VNI hash at del, VRF %d IF %s(%u) VNI %u", | |
4126 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4127 | return 0; | |
4128 | } | |
13d60d35 | 4129 | |
d62a17ae | 4130 | /* Delete VNI from BGP. */ |
4131 | zvni_send_del_to_client(zvrf, zvni->vni); | |
13d60d35 | 4132 | |
d62a17ae | 4133 | /* Free up all neighbors and MAC, if any. */ |
4134 | zvni_neigh_del_all(zvrf, zvni, 0, 0, DEL_ALL_NEIGH); | |
4135 | zvni_mac_del_all(zvrf, zvni, 0, 0, DEL_ALL_MAC); | |
2232a77c | 4136 | |
d62a17ae | 4137 | /* Free up all remote VTEPs, if any. */ |
4138 | zvni_vtep_del_all(zvni, 0); | |
13d60d35 | 4139 | |
d62a17ae | 4140 | /* Delete the hash entry. */ |
4141 | if (zvni_del(zvrf, zvni)) { | |
4142 | zlog_err("Failed to del VNI hash %p, VRF %d IF %s(%u) VNI %u", | |
4143 | zvni, ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni); | |
4144 | return -1; | |
4145 | } | |
13d60d35 | 4146 | |
d62a17ae | 4147 | return 0; |
13d60d35 | 4148 | } |
4149 | ||
4150 | /* | |
4151 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
4152 | */ | |
d62a17ae | 4153 | int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags) |
4154 | { | |
4155 | struct zebra_if *zif; | |
4156 | struct zebra_vrf *zvrf; | |
4157 | zebra_vni_t *zvni; | |
4158 | struct zebra_l2info_vxlan *vxl; | |
4159 | vni_t vni; | |
4160 | ||
4161 | /* Locate VRF corresponding to interface. */ | |
4162 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4163 | assert(zvrf); | |
4164 | ||
4165 | /* If EVPN is not enabled, nothing further to be done. */ | |
4166 | if (!EVPN_ENABLED(zvrf)) | |
4167 | return 0; | |
4168 | ||
4169 | zif = ifp->info; | |
4170 | assert(zif); | |
4171 | vxl = &zif->l2info.vxl; | |
4172 | vni = vxl->vni; | |
4173 | ||
4174 | /* Update VNI hash. */ | |
4175 | zvni = zvni_lookup(zvrf, vni); | |
4176 | if (!zvni) { | |
4177 | zlog_err( | |
4178 | "Failed to find VNI hash on update, VRF %d IF %s(%u) VNI %u", | |
4179 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4180 | return -1; | |
4181 | } | |
4182 | ||
4183 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4184 | zlog_debug( | |
4185 | "%u:Update VNI %u intf %s(%u) VLAN %u local IP %s " | |
4186 | "master %u chg 0x%x", | |
4187 | ifp->vrf_id, vni, ifp->name, ifp->ifindex, | |
4188 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
4189 | zif->brslave_info.bridge_ifindex, chgflags); | |
4190 | ||
af026ae4 | 4191 | /* Removed from bridge? Cleanup and return */ |
d62a17ae | 4192 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) |
4193 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
4194 | /* Delete from client, remove all remote VTEPs */ | |
4195 | /* Also, free up all MACs and neighbors. */ | |
4196 | zvni_send_del_to_client(zvrf, zvni->vni); | |
4197 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
4198 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
4199 | zvni_vtep_del_all(zvni, 1); | |
af026ae4 | 4200 | return 0; |
4201 | } | |
4202 | ||
4203 | /* Handle other changes. */ | |
4204 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
d62a17ae | 4205 | /* Remove all existing local neighbors and MACs for this VNI |
4206 | * (including from BGP) | |
4207 | */ | |
4208 | zvni_neigh_del_all(zvrf, zvni, 0, 1, DEL_LOCAL_MAC); | |
4209 | zvni_mac_del_all(zvrf, zvni, 0, 1, DEL_LOCAL_MAC); | |
4210 | } | |
4211 | ||
4212 | zvni->local_vtep_ip = vxl->vtep_ip; | |
4213 | zvni->vxlan_if = ifp; | |
4214 | ||
4215 | /* Take further actions needed. Note that if we are here, there is a | |
4216 | * change of interest. | |
4217 | */ | |
4218 | /* If down or not mapped to a bridge, we're done. */ | |
4219 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4220 | return 0; | |
4221 | ||
4222 | /* Inform BGP, if there is a change of interest. */ | |
4223 | if (chgflags | |
4224 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
4225 | zvni_send_add_to_client(zvrf, zvni); | |
4226 | ||
4227 | /* If there is a valid new master or a VLAN mapping change, read and | |
4228 | * populate local MACs and neighbors. Also, reinstall any remote MACs | |
4229 | * and neighbors for this VNI (based on new VLAN). | |
4230 | */ | |
4231 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
4232 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4233 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
4234 | struct mac_walk_ctx m_wctx; | |
4235 | struct neigh_walk_ctx n_wctx; | |
4236 | ||
4237 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4238 | ||
4239 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
4240 | m_wctx.zvni = zvni; | |
4241 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, &m_wctx); | |
4242 | ||
4243 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4244 | n_wctx.zvni = zvni; | |
4245 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
4246 | &n_wctx); | |
4247 | } | |
4248 | ||
4249 | return 0; | |
13d60d35 | 4250 | } |
4251 | ||
4252 | /* | |
4253 | * Handle VxLAN interface add. | |
4254 | */ | |
d62a17ae | 4255 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 4256 | { |
d62a17ae | 4257 | struct zebra_if *zif; |
4258 | struct zebra_vrf *zvrf; | |
4259 | zebra_vni_t *zvni; | |
4260 | struct zebra_l2info_vxlan *vxl; | |
4261 | vni_t vni; | |
13d60d35 | 4262 | |
d62a17ae | 4263 | /* Locate VRF corresponding to interface. */ |
4264 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4265 | assert(zvrf); | |
13d60d35 | 4266 | |
d62a17ae | 4267 | /* If EVPN is not enabled, nothing further to be done. */ |
4268 | if (!EVPN_ENABLED(zvrf)) | |
4269 | return 0; | |
13d60d35 | 4270 | |
d62a17ae | 4271 | zif = ifp->info; |
4272 | assert(zif); | |
4273 | vxl = &zif->l2info.vxl; | |
4274 | vni = vxl->vni; | |
13d60d35 | 4275 | |
d62a17ae | 4276 | if (IS_ZEBRA_DEBUG_VXLAN) |
4277 | zlog_debug( | |
4278 | "%u:Add VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
4279 | ifp->vrf_id, vni, ifp->name, ifp->ifindex, | |
4280 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
4281 | zif->brslave_info.bridge_ifindex); | |
13d60d35 | 4282 | |
d62a17ae | 4283 | /* Create or update VNI hash. */ |
4284 | zvni = zvni_lookup(zvrf, vni); | |
4285 | if (!zvni) { | |
4286 | zvni = zvni_add(zvrf, vni); | |
4287 | if (!zvni) { | |
4288 | zlog_err( | |
4289 | "Failed to add VNI hash, VRF %d IF %s(%u) VNI %u", | |
4290 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4291 | return -1; | |
4292 | } | |
4293 | } | |
13d60d35 | 4294 | |
d62a17ae | 4295 | zvni->local_vtep_ip = vxl->vtep_ip; |
4296 | zvni->vxlan_if = ifp; | |
13d60d35 | 4297 | |
d62a17ae | 4298 | /* If down or not mapped to a bridge, we're done. */ |
4299 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4300 | return 0; | |
13d60d35 | 4301 | |
d62a17ae | 4302 | /* Inform BGP */ |
4303 | zvni_send_add_to_client(zvrf, zvni); | |
13d60d35 | 4304 | |
d62a17ae | 4305 | /* Read and populate local MACs and neighbors */ |
4306 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
2232a77c | 4307 | |
d62a17ae | 4308 | return 0; |
13d60d35 | 4309 | } |
4310 | ||
1a98c087 MK |
4311 | /* |
4312 | * Handle message from client to enable/disable advertisement of g/w macip | |
4313 | * routes | |
4314 | */ | |
4315 | int zebra_vxlan_advertise_gw_macip(struct zserv *client, int sock, | |
4316 | u_short length, struct zebra_vrf *zvrf) | |
4317 | { | |
4318 | struct stream *s; | |
4319 | int advertise; | |
4320 | vni_t vni = 0; | |
4321 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 4322 | struct interface *ifp = NULL; |
1a98c087 MK |
4323 | |
4324 | s = client->ibuf; | |
4325 | advertise = stream_getc(s); | |
4326 | vni = stream_get3(s); | |
4327 | ||
4328 | if (!vni) { | |
4329 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4330 | zlog_debug("%u:EVPN gateway macip Adv %s, currently %s", | |
4331 | zvrf_id(zvrf), | |
4332 | advertise ? "enabled" : "disabled", | |
4333 | advertise_gw_macip_enabled(zvrf, NULL) | |
4334 | ? "enabled" | |
4335 | : "disabled"); | |
4336 | ||
4337 | if (zvrf->advertise_gw_macip == advertise) | |
4338 | return 0; | |
4339 | ||
4340 | zvrf->advertise_gw_macip = advertise; | |
4341 | ||
4342 | if (advertise_gw_macip_enabled(zvrf, zvni)) | |
4343 | hash_iterate(zvrf->vni_table, | |
4344 | zvni_gw_macip_add_for_vni_hash, zvrf); | |
4345 | else | |
4346 | hash_iterate(zvrf->vni_table, | |
4347 | zvni_gw_macip_del_for_vni_hash, zvrf); | |
4348 | ||
4349 | } else { | |
4350 | struct zebra_if *zif = NULL; | |
4351 | struct zebra_l2info_vxlan zl2_info; | |
4352 | struct interface *vlan_if = NULL; | |
4353 | struct interface *vrr_if = NULL; | |
4354 | ||
4355 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4356 | zlog_debug( | |
4357 | "%u:EVPN gateway macip Adv %s on VNI %d , currently %s", | |
4358 | zvrf_id(zvrf), | |
4359 | advertise ? "enabled" : "disabled", vni, | |
4360 | advertise_gw_macip_enabled(zvrf, zvni) | |
4361 | ? "enabled" | |
4362 | : "disabled"); | |
4363 | ||
4364 | zvni = zvni_lookup(zvrf, vni); | |
4365 | if (!zvni) | |
4366 | return 0; | |
4367 | ||
4368 | if (zvni->advertise_gw_macip == advertise) | |
4369 | return 0; | |
4370 | ||
4371 | zvni->advertise_gw_macip = advertise; | |
4372 | ||
b5ebdc9b | 4373 | ifp = zvni->vxlan_if; |
4374 | if (!ifp) | |
4375 | return 0; | |
4376 | ||
4377 | zif = ifp->info; | |
4378 | ||
4379 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4380 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 4381 | return 0; |
4382 | ||
1a98c087 MK |
4383 | zl2_info = zif->l2info.vxl; |
4384 | ||
4385 | vlan_if = zvni_map_to_svi(zvrf, zl2_info.access_vlan, | |
4386 | zif->brslave_info.br_if); | |
4387 | if (!vlan_if) | |
4388 | return 0; | |
4389 | ||
4390 | if (advertise_gw_macip_enabled(zvrf, zvni)) { | |
4391 | /* Add primary SVI MAC-IP */ | |
4392 | zvni_add_macip_for_intf(vlan_if, zvni); | |
4393 | ||
4394 | /* Add VRR MAC-IP - if any*/ | |
4395 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
4396 | if (vrr_if) | |
4397 | zvni_add_macip_for_intf(vrr_if, zvni); | |
4398 | } else { | |
4399 | /* Del primary MAC-IP */ | |
4400 | zvni_del_macip_for_intf(vlan_if, zvni); | |
4401 | ||
4402 | /* Del VRR MAC-IP - if any*/ | |
4403 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
4404 | if (vrr_if) | |
4405 | zvni_del_macip_for_intf(vrr_if, zvni); | |
4406 | } | |
4407 | } | |
4408 | ||
4409 | return 0; | |
4410 | } | |
4411 | ||
4412 | ||
13d60d35 | 4413 | /* |
4414 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
4415 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
4416 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
4417 | * uninstalled from the kernel. | |
4418 | */ | |
d62a17ae | 4419 | int zebra_vxlan_advertise_all_vni(struct zserv *client, int sock, |
4420 | u_short length, struct zebra_vrf *zvrf) | |
13d60d35 | 4421 | { |
d62a17ae | 4422 | struct stream *s; |
4423 | int advertise; | |
13d60d35 | 4424 | |
d62a17ae | 4425 | s = client->ibuf; |
4426 | advertise = stream_getc(s); | |
13d60d35 | 4427 | |
d62a17ae | 4428 | if (IS_ZEBRA_DEBUG_VXLAN) |
4429 | zlog_debug("%u:EVPN VNI Adv %s, currently %s", zvrf_id(zvrf), | |
4430 | advertise ? "enabled" : "disabled", | |
4431 | EVPN_ENABLED(zvrf) ? "enabled" : "disabled"); | |
13d60d35 | 4432 | |
d62a17ae | 4433 | if (zvrf->advertise_all_vni == advertise) |
4434 | return 0; | |
13d60d35 | 4435 | |
d62a17ae | 4436 | zvrf->advertise_all_vni = advertise; |
4437 | if (EVPN_ENABLED(zvrf)) { | |
4438 | /* Build VNI hash table and inform BGP. */ | |
4439 | zvni_build_hash_table(zvrf); | |
2232a77c | 4440 | |
1a98c087 MK |
4441 | /* Add all SVI (L3 GW) MACs to BGP*/ |
4442 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
4443 | zvrf); | |
4444 | ||
d62a17ae | 4445 | /* Read the MAC FDB */ |
4446 | macfdb_read(zvrf->zns); | |
2232a77c | 4447 | |
d62a17ae | 4448 | /* Read neighbors */ |
4449 | neigh_read(zvrf->zns); | |
4450 | } else { | |
4451 | /* Cleanup VTEPs for all VNIs - uninstall from | |
4452 | * kernel and free entries. | |
4453 | */ | |
4454 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
4455 | } | |
13d60d35 | 4456 | |
d62a17ae | 4457 | return 0; |
13d60d35 | 4458 | } |
4459 | ||
4460 | /* | |
4461 | * Allocate VNI hash table for this VRF and do other initialization. | |
4462 | * NOTE: Currently supported only for default VRF. | |
4463 | */ | |
d62a17ae | 4464 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 4465 | { |
d62a17ae | 4466 | if (!zvrf) |
4467 | return; | |
4468 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
4469 | "Zebra VRF VNI Table"); | |
13d60d35 | 4470 | } |
4471 | ||
4472 | /* Close all VNI handling */ | |
d62a17ae | 4473 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 4474 | { |
d62a17ae | 4475 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 4476 | hash_free(zvrf->vni_table); |
13d60d35 | 4477 | } |