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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 | ||
71349e03 MK |
1780 | if (!br_if) |
1781 | return NULL; | |
1782 | ||
d62a17ae | 1783 | /* Make sure the linked interface is a bridge. */ |
1784 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
1785 | return NULL; | |
1786 | ||
1787 | /* Locate VRF corresponding to interface. */ | |
1788 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1789 | assert(zvrf); | |
1790 | ||
1791 | /* Determine if bridge is VLAN-aware or not */ | |
1792 | zif = br_if->info; | |
1793 | assert(zif); | |
1794 | br = &zif->l2info.br; | |
1795 | bridge_vlan_aware = br->vlan_aware; | |
1796 | if (bridge_vlan_aware) { | |
1797 | struct zebra_l2info_vlan *vl; | |
1798 | ||
1799 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
1800 | return NULL; | |
1801 | ||
1802 | zif = ifp->info; | |
1803 | assert(zif); | |
1804 | vl = &zif->l2info.vl; | |
1805 | vid = vl->vid; | |
1806 | } | |
1807 | ||
1808 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
1809 | /* TODO: Optimize with a hash. */ | |
1810 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1811 | zif = tmp_if->info; | |
1812 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
1813 | continue; | |
1814 | if (!if_is_operative(tmp_if)) | |
1815 | continue; | |
1816 | vxl = &zif->l2info.vxl; | |
1817 | ||
1818 | if (zif->brslave_info.br_if != br_if) | |
1819 | continue; | |
1820 | ||
1821 | if (!bridge_vlan_aware) | |
1822 | break; | |
1823 | ||
1824 | if (vxl->access_vlan == vid) | |
1825 | break; | |
1826 | } | |
1827 | ||
1828 | if (!tmp_if) | |
1829 | return NULL; | |
1830 | ||
1831 | zvni = zvni_lookup(zvrf, vxl->vni); | |
1832 | return zvni; | |
2232a77c | 1833 | } |
1834 | ||
1835 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
1836 | * of two cases: | |
1837 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
1838 | * linked to the bridge | |
1839 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
1840 | * itself | |
1841 | */ | |
d62a17ae | 1842 | static struct interface *zvni_map_to_svi(struct zebra_vrf *zvrf, vlanid_t vid, |
1843 | struct interface *br_if) | |
1844 | { | |
1845 | struct listnode *node; | |
1846 | struct interface *tmp_if; | |
1847 | struct zebra_if *zif; | |
1848 | struct zebra_l2info_bridge *br; | |
1849 | struct zebra_l2info_vlan *vl; | |
1850 | u_char bridge_vlan_aware; | |
1851 | ||
b5ebdc9b | 1852 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
1853 | if (!br_if) | |
1854 | return NULL; | |
1855 | ||
d62a17ae | 1856 | /* Determine if bridge is VLAN-aware or not */ |
1857 | zif = br_if->info; | |
1858 | assert(zif); | |
1859 | br = &zif->l2info.br; | |
1860 | bridge_vlan_aware = br->vlan_aware; | |
1861 | ||
1862 | /* Check oper status of the SVI. */ | |
1863 | if (!bridge_vlan_aware) | |
1864 | return if_is_operative(br_if) ? br_if : NULL; | |
1865 | ||
1866 | /* Identify corresponding VLAN interface. */ | |
1867 | /* TODO: Optimize with a hash. */ | |
1868 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, tmp_if)) { | |
1869 | /* Check oper status of the SVI. */ | |
1870 | if (!if_is_operative(tmp_if)) | |
1871 | continue; | |
1872 | zif = tmp_if->info; | |
1873 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
1874 | || zif->link != br_if) | |
1875 | continue; | |
1876 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
1877 | ||
1878 | if (vl->vid == vid) | |
1879 | break; | |
1880 | } | |
1881 | ||
1882 | return tmp_if; | |
2232a77c | 1883 | } |
1884 | ||
1885 | /* | |
1886 | * Install remote MAC into the kernel. | |
1887 | */ | |
d62a17ae | 1888 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1889 | { |
d62a17ae | 1890 | struct zebra_if *zif; |
1891 | struct zebra_l2info_vxlan *vxl; | |
1892 | u_char sticky; | |
2232a77c | 1893 | |
d62a17ae | 1894 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
1895 | return 0; | |
2232a77c | 1896 | |
d62a17ae | 1897 | zif = zvni->vxlan_if->info; |
1898 | if (!zif) | |
1899 | return -1; | |
1900 | vxl = &zif->l2info.vxl; | |
2232a77c | 1901 | |
d62a17ae | 1902 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 1903 | |
d62a17ae | 1904 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
1905 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 1906 | } |
1907 | ||
1908 | /* | |
1909 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
1910 | * moves to remote, we have to uninstall any existing local entry first. | |
1911 | */ | |
d62a17ae | 1912 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 1913 | { |
d62a17ae | 1914 | struct zebra_if *zif; |
1915 | struct zebra_l2info_vxlan *vxl; | |
1916 | struct in_addr vtep_ip = {.s_addr = 0}; | |
1917 | struct zebra_ns *zns; | |
1918 | struct interface *ifp; | |
2232a77c | 1919 | |
d62a17ae | 1920 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
1921 | return 0; | |
2232a77c | 1922 | |
d62a17ae | 1923 | if (!zvni->vxlan_if) { |
1924 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1925 | zvni->vni, zvni); | |
1926 | return -1; | |
1927 | } | |
2232a77c | 1928 | |
d62a17ae | 1929 | zif = zvni->vxlan_if->info; |
1930 | if (!zif) | |
1931 | return -1; | |
1932 | vxl = &zif->l2info.vxl; | |
2232a77c | 1933 | |
d62a17ae | 1934 | if (local) { |
1935 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1936 | ifp = if_lookup_by_index_per_ns(zns, | |
1937 | mac->fwd_info.local.ifindex); | |
1938 | if (!ifp) // unexpected | |
1939 | return -1; | |
1940 | } else { | |
1941 | ifp = zvni->vxlan_if; | |
1942 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
1943 | } | |
2232a77c | 1944 | |
d62a17ae | 1945 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
1946 | local); | |
2232a77c | 1947 | } |
1948 | ||
1949 | /* | |
1950 | * Install MAC hash entry - called upon access VLAN change. | |
1951 | */ | |
d62a17ae | 1952 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 1953 | { |
d62a17ae | 1954 | zebra_mac_t *mac; |
1955 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 1956 | |
d62a17ae | 1957 | mac = (zebra_mac_t *)backet->data; |
1958 | if (!mac) | |
1959 | return; | |
2232a77c | 1960 | |
d62a17ae | 1961 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
1962 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 1963 | } |
1964 | ||
1965 | /* | |
1966 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
1967 | * appropriate. | |
1968 | */ | |
d62a17ae | 1969 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
1970 | int uninstall) | |
2232a77c | 1971 | { |
0a97666d MK |
1972 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) || |
1973 | !list_isempty(mac->neigh_list)) | |
d62a17ae | 1974 | return; |
2232a77c | 1975 | |
d62a17ae | 1976 | if (uninstall) |
1977 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 1978 | |
d62a17ae | 1979 | zvni_mac_del(zvni, mac); |
2232a77c | 1980 | } |
1981 | ||
1982 | /* | |
1983 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
1984 | */ | |
d62a17ae | 1985 | static void zvni_read_mac_neigh(struct zebra_vrf *zvrf, zebra_vni_t *zvni, |
1986 | struct interface *ifp) | |
2232a77c | 1987 | { |
d62a17ae | 1988 | struct zebra_if *zif; |
1989 | struct interface *vlan_if; | |
1990 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 1991 | struct interface *vrr_if; |
2232a77c | 1992 | |
d62a17ae | 1993 | zif = ifp->info; |
1994 | vxl = &zif->l2info.vxl; | |
2232a77c | 1995 | |
d62a17ae | 1996 | if (IS_ZEBRA_DEBUG_VXLAN) |
1997 | zlog_debug( | |
1998 | "%u:Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", | |
1999 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
2000 | zif->brslave_info.bridge_ifindex); | |
2232a77c | 2001 | |
d62a17ae | 2002 | macfdb_read_for_bridge(zvrf->zns, ifp, zif->brslave_info.br_if); |
2003 | vlan_if = zvni_map_to_svi(zvrf, vxl->access_vlan, | |
2004 | zif->brslave_info.br_if); | |
1a98c087 MK |
2005 | if (vlan_if) { |
2006 | ||
2007 | if (advertise_gw_macip_enabled(zvrf, zvni)) { | |
2008 | /* Add SVI MAC-IP */ | |
2009 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2010 | ||
2011 | /* Add VRR MAC-IP - if any*/ | |
2012 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2013 | if (vrr_if) | |
2014 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2015 | } | |
2016 | ||
d62a17ae | 2017 | neigh_read_for_vlan(zvrf->zns, vlan_if); |
1a98c087 | 2018 | } |
2232a77c | 2019 | } |
2020 | ||
2021 | /* | |
2022 | * Hash function for VNI. | |
2023 | */ | |
d62a17ae | 2024 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2025 | { |
d62a17ae | 2026 | const zebra_vni_t *zvni = p; |
2232a77c | 2027 | |
d62a17ae | 2028 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2029 | } |
2030 | ||
2031 | /* | |
2032 | * Compare 2 VNI hash entries. | |
2033 | */ | |
d62a17ae | 2034 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2035 | { |
d62a17ae | 2036 | const zebra_vni_t *zvni1 = p1; |
2037 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2038 | |
d62a17ae | 2039 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2040 | } |
2041 | ||
2042 | /* | |
2043 | * Callback to allocate VNI hash entry. | |
2044 | */ | |
d62a17ae | 2045 | static void *zvni_alloc(void *p) |
2232a77c | 2046 | { |
d62a17ae | 2047 | const zebra_vni_t *tmp_vni = p; |
2048 | zebra_vni_t *zvni; | |
2232a77c | 2049 | |
d62a17ae | 2050 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2051 | zvni->vni = tmp_vni->vni; | |
2052 | return ((void *)zvni); | |
2232a77c | 2053 | } |
2054 | ||
2055 | /* | |
2056 | * Look up VNI hash entry. | |
2057 | */ | |
d62a17ae | 2058 | static zebra_vni_t *zvni_lookup(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2059 | { |
d62a17ae | 2060 | zebra_vni_t tmp_vni; |
2061 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2062 | |
d62a17ae | 2063 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2064 | tmp_vni.vni = vni; | |
2065 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2066 | |
d62a17ae | 2067 | return zvni; |
2232a77c | 2068 | } |
2069 | ||
2070 | /* | |
2071 | * Add VNI hash entry. | |
2072 | */ | |
d62a17ae | 2073 | static zebra_vni_t *zvni_add(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2074 | { |
d62a17ae | 2075 | zebra_vni_t tmp_zvni; |
2076 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2077 | |
d62a17ae | 2078 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2079 | tmp_zvni.vni = vni; | |
2080 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2081 | assert(zvni); | |
2232a77c | 2082 | |
d62a17ae | 2083 | /* Create hash table for MAC */ |
2084 | zvni->mac_table = | |
2085 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2086 | |
d62a17ae | 2087 | /* Create hash table for neighbors */ |
2088 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2089 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2090 | |
d62a17ae | 2091 | return zvni; |
2232a77c | 2092 | } |
2093 | ||
2094 | /* | |
2095 | * Delete VNI hash entry. | |
2096 | */ | |
d62a17ae | 2097 | static int zvni_del(struct zebra_vrf *zvrf, zebra_vni_t *zvni) |
2232a77c | 2098 | { |
d62a17ae | 2099 | zebra_vni_t *tmp_zvni; |
2232a77c | 2100 | |
d62a17ae | 2101 | zvni->vxlan_if = NULL; |
2232a77c | 2102 | |
d62a17ae | 2103 | /* Free the neighbor hash table. */ |
2104 | hash_free(zvni->neigh_table); | |
2105 | zvni->neigh_table = NULL; | |
2232a77c | 2106 | |
d62a17ae | 2107 | /* Free the MAC hash table. */ |
2108 | hash_free(zvni->mac_table); | |
2109 | zvni->mac_table = NULL; | |
2232a77c | 2110 | |
d62a17ae | 2111 | /* Free the VNI hash entry and allocated memory. */ |
2112 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2113 | if (tmp_zvni) | |
2114 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2115 | |
d62a17ae | 2116 | return 0; |
2232a77c | 2117 | } |
2118 | ||
2119 | /* | |
2120 | * Inform BGP about local VNI addition. | |
2121 | */ | |
d62a17ae | 2122 | static int zvni_send_add_to_client(struct zebra_vrf *zvrf, zebra_vni_t *zvni) |
2232a77c | 2123 | { |
d62a17ae | 2124 | struct zserv *client; |
2125 | struct stream *s; | |
2232a77c | 2126 | |
d62a17ae | 2127 | client = zebra_find_client(ZEBRA_ROUTE_BGP); |
2128 | /* BGP may not be running. */ | |
2129 | if (!client) | |
2130 | return 0; | |
2232a77c | 2131 | |
d62a17ae | 2132 | s = client->obuf; |
2133 | stream_reset(s); | |
2232a77c | 2134 | |
d62a17ae | 2135 | zserv_create_header(s, ZEBRA_VNI_ADD, zvrf_id(zvrf)); |
2136 | stream_putl(s, zvni->vni); | |
2137 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
2232a77c | 2138 | |
d62a17ae | 2139 | /* Write packet size. */ |
2140 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2141 | |
d62a17ae | 2142 | if (IS_ZEBRA_DEBUG_VXLAN) |
2143 | zlog_debug("%u:Send VNI_ADD %u %s to %s", zvrf_id(zvrf), | |
2144 | zvni->vni, inet_ntoa(zvni->local_vtep_ip), | |
2145 | zebra_route_string(client->proto)); | |
2232a77c | 2146 | |
d62a17ae | 2147 | client->vniadd_cnt++; |
2148 | return zebra_server_send_message(client); | |
2232a77c | 2149 | } |
2150 | ||
2151 | /* | |
2152 | * Inform BGP about local VNI deletion. | |
2153 | */ | |
d62a17ae | 2154 | static int zvni_send_del_to_client(struct zebra_vrf *zvrf, vni_t vni) |
2232a77c | 2155 | { |
d62a17ae | 2156 | struct zserv *client; |
2157 | struct stream *s; | |
2232a77c | 2158 | |
d62a17ae | 2159 | client = zebra_find_client(ZEBRA_ROUTE_BGP); |
2160 | /* BGP may not be running. */ | |
2161 | if (!client) | |
2162 | return 0; | |
2232a77c | 2163 | |
d62a17ae | 2164 | s = client->obuf; |
2165 | stream_reset(s); | |
2232a77c | 2166 | |
d62a17ae | 2167 | zserv_create_header(s, ZEBRA_VNI_DEL, zvrf_id(zvrf)); |
2168 | stream_putl(s, vni); | |
2232a77c | 2169 | |
d62a17ae | 2170 | /* Write packet size. */ |
2171 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2172 | |
d62a17ae | 2173 | if (IS_ZEBRA_DEBUG_VXLAN) |
2174 | zlog_debug("%u:Send VNI_DEL %u to %s", zvrf_id(zvrf), vni, | |
2175 | zebra_route_string(client->proto)); | |
2232a77c | 2176 | |
d62a17ae | 2177 | client->vnidel_cnt++; |
2178 | return zebra_server_send_message(client); | |
2232a77c | 2179 | } |
2180 | ||
2181 | /* | |
2182 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2183 | * is called when EVPN (advertise-all-vni) is enabled. | |
2184 | */ | |
d62a17ae | 2185 | static void zvni_build_hash_table(struct zebra_vrf *zvrf) |
2232a77c | 2186 | { |
d62a17ae | 2187 | struct listnode *node; |
2188 | struct interface *ifp; | |
2232a77c | 2189 | |
d62a17ae | 2190 | /* Walk VxLAN interfaces and create VNI hash. */ |
2191 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(zvrf_id(zvrf)), node, ifp)) { | |
2192 | struct zebra_if *zif; | |
2193 | struct zebra_l2info_vxlan *vxl; | |
2194 | zebra_vni_t *zvni; | |
2195 | vni_t vni; | |
2232a77c | 2196 | |
d62a17ae | 2197 | zif = ifp->info; |
2198 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2199 | continue; | |
2200 | vxl = &zif->l2info.vxl; | |
2232a77c | 2201 | |
d62a17ae | 2202 | vni = vxl->vni; |
2232a77c | 2203 | |
d62a17ae | 2204 | if (IS_ZEBRA_DEBUG_VXLAN) |
2205 | zlog_debug( | |
2206 | "%u:Create VNI hash for intf %s(%u) VNI %u local IP %s", | |
2207 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni, | |
2208 | inet_ntoa(vxl->vtep_ip)); | |
2232a77c | 2209 | |
d62a17ae | 2210 | /* VNI hash entry is not expected to exist. */ |
2211 | zvni = zvni_lookup(zvrf, vni); | |
2212 | if (zvni) { | |
2213 | zlog_err( | |
2214 | "VNI hash already present for VRF %d IF %s(%u) VNI %u", | |
2215 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni); | |
2216 | continue; | |
2217 | } | |
2232a77c | 2218 | |
d62a17ae | 2219 | zvni = zvni_add(zvrf, vni); |
2220 | if (!zvni) { | |
2221 | zlog_err( | |
2222 | "Failed to add VNI hash, VRF %d IF %s(%u) VNI %u", | |
2223 | zvrf_id(zvrf), ifp->name, ifp->ifindex, vni); | |
2224 | return; | |
2225 | } | |
2232a77c | 2226 | |
d62a17ae | 2227 | zvni->local_vtep_ip = vxl->vtep_ip; |
2228 | zvni->vxlan_if = ifp; | |
2232a77c | 2229 | |
d62a17ae | 2230 | /* Inform BGP if interface is up and mapped to bridge. */ |
2231 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2232 | zvni_send_add_to_client(zvrf, zvni); | |
2233 | } | |
2232a77c | 2234 | } |
2235 | ||
2236 | /* | |
2237 | * See if remote VTEP matches with prefix. | |
2238 | */ | |
d62a17ae | 2239 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2240 | { |
d62a17ae | 2241 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2242 | } |
2243 | ||
2244 | /* | |
2245 | * Locate remote VTEP in VNI hash table. | |
2246 | */ | |
d62a17ae | 2247 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2248 | { |
d62a17ae | 2249 | zebra_vtep_t *zvtep; |
2232a77c | 2250 | |
d62a17ae | 2251 | if (!zvni) |
2252 | return NULL; | |
2232a77c | 2253 | |
d62a17ae | 2254 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2255 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2256 | break; | |
2257 | } | |
2232a77c | 2258 | |
d62a17ae | 2259 | return zvtep; |
2232a77c | 2260 | } |
2261 | ||
2262 | /* | |
2263 | * Add remote VTEP to VNI hash table. | |
2264 | */ | |
d62a17ae | 2265 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2266 | { |
d62a17ae | 2267 | zebra_vtep_t *zvtep; |
2232a77c | 2268 | |
d62a17ae | 2269 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2270 | if (!zvtep) { | |
2271 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2272 | return NULL; | |
2273 | } | |
2232a77c | 2274 | |
d62a17ae | 2275 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2276 | |
d62a17ae | 2277 | if (zvni->vteps) |
2278 | zvni->vteps->prev = zvtep; | |
2279 | zvtep->next = zvni->vteps; | |
2280 | zvni->vteps = zvtep; | |
2232a77c | 2281 | |
d62a17ae | 2282 | return zvtep; |
2232a77c | 2283 | } |
2284 | ||
2285 | /* | |
2286 | * Remove remote VTEP from VNI hash table. | |
2287 | */ | |
d62a17ae | 2288 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2289 | { |
d62a17ae | 2290 | if (zvtep->next) |
2291 | zvtep->next->prev = zvtep->prev; | |
2292 | if (zvtep->prev) | |
2293 | zvtep->prev->next = zvtep->next; | |
2294 | else | |
2295 | zvni->vteps = zvtep->next; | |
2232a77c | 2296 | |
d62a17ae | 2297 | zvtep->prev = zvtep->next = NULL; |
2298 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2299 | |
d62a17ae | 2300 | return 0; |
2232a77c | 2301 | } |
2302 | ||
2303 | /* | |
2304 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2305 | * uninstall from kernel if asked to. | |
2306 | */ | |
d62a17ae | 2307 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2308 | { |
d62a17ae | 2309 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2310 | |
d62a17ae | 2311 | if (!zvni) |
2312 | return -1; | |
2232a77c | 2313 | |
d62a17ae | 2314 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2315 | zvtep_next = zvtep->next; | |
2316 | if (uninstall) | |
2317 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2318 | zvni_vtep_del(zvni, zvtep); | |
2319 | } | |
2232a77c | 2320 | |
d62a17ae | 2321 | return 0; |
2232a77c | 2322 | } |
2323 | ||
2324 | /* | |
2325 | * Install remote VTEP into the kernel. | |
2326 | */ | |
d62a17ae | 2327 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2328 | { |
d62a17ae | 2329 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2330 | } |
2331 | ||
2332 | /* | |
2333 | * Uninstall remote VTEP from the kernel. | |
2334 | */ | |
d62a17ae | 2335 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2336 | { |
d62a17ae | 2337 | if (!zvni->vxlan_if) { |
2338 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2339 | zvni->vni, zvni); | |
2340 | return -1; | |
2341 | } | |
2232a77c | 2342 | |
d62a17ae | 2343 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2344 | } |
2345 | ||
2346 | /* | |
2347 | * Cleanup VNI/VTEP and update kernel | |
2348 | */ | |
d62a17ae | 2349 | static void zvni_cleanup_all(struct hash_backet *backet, void *zvrf) |
2232a77c | 2350 | { |
d62a17ae | 2351 | zebra_vni_t *zvni; |
2232a77c | 2352 | |
d62a17ae | 2353 | zvni = (zebra_vni_t *)backet->data; |
2354 | if (!zvni) | |
2355 | return; | |
2232a77c | 2356 | |
d62a17ae | 2357 | /* Free up all neighbors and MACs, if any. */ |
2358 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
2359 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 2360 | |
d62a17ae | 2361 | /* Free up all remote VTEPs, if any. */ |
2362 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 2363 | |
d62a17ae | 2364 | /* Delete the hash entry. */ |
2365 | zvni_del(zvrf, zvni); | |
2232a77c | 2366 | } |
2367 | ||
2368 | ||
2369 | /* Public functions */ | |
2370 | ||
cec2e17d | 2371 | /* |
2372 | * Display Neighbors for a VNI (VTY command handler). | |
2373 | */ | |
d62a17ae | 2374 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 2375 | vni_t vni, u_char use_json) |
d62a17ae | 2376 | { |
2377 | zebra_vni_t *zvni; | |
2378 | u_int32_t num_neigh; | |
2379 | struct neigh_walk_ctx wctx; | |
cd233079 | 2380 | json_object *json = NULL; |
d62a17ae | 2381 | |
2382 | if (!EVPN_ENABLED(zvrf)) | |
2383 | return; | |
2384 | zvni = zvni_lookup(zvrf, vni); | |
2385 | if (!zvni) { | |
cd233079 CS |
2386 | if (use_json) |
2387 | vty_out(vty, "{}\n"); | |
2388 | else | |
2389 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2390 | return; |
2391 | } | |
2392 | num_neigh = hashcount(zvni->neigh_table); | |
2393 | if (!num_neigh) | |
2394 | return; | |
2395 | ||
cd233079 CS |
2396 | if (use_json) |
2397 | json = json_object_new_object(); | |
2398 | ||
d62a17ae | 2399 | /* Since we have IPv6 addresses to deal with which can vary widely in |
2400 | * size, we try to be a bit more elegant in display by first computing | |
2401 | * the maximum width. | |
2402 | */ | |
2403 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
2404 | wctx.zvni = zvni; | |
2405 | wctx.vty = vty; | |
2406 | wctx.addr_width = 15; | |
cd233079 | 2407 | wctx.json = json; |
d62a17ae | 2408 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
2409 | ||
cd233079 CS |
2410 | if (!use_json) { |
2411 | vty_out(vty, | |
2412 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
2413 | num_neigh); | |
2414 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
2415 | "Type", "MAC", "Remote VTEP"); | |
2416 | } else | |
2417 | json_object_int_add(json, "numArpNd", num_neigh); | |
d62a17ae | 2418 | |
2419 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
cd233079 CS |
2420 | if (use_json) { |
2421 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2422 | json, JSON_C_TO_STRING_PRETTY)); | |
2423 | json_object_free(json); | |
2424 | } | |
cec2e17d | 2425 | } |
2426 | ||
2427 | /* | |
2428 | * Display neighbors across all VNIs (VTY command handler). | |
2429 | */ | |
cd233079 CS |
2430 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2431 | u_char use_json) | |
cec2e17d | 2432 | { |
cd233079 CS |
2433 | json_object *json = NULL; |
2434 | void *args[2]; | |
2435 | ||
d62a17ae | 2436 | if (!EVPN_ENABLED(zvrf)) |
2437 | return; | |
cd233079 CS |
2438 | |
2439 | if (use_json) | |
2440 | json = json_object_new_object(); | |
2441 | ||
2442 | args[0] = vty; | |
2443 | args[1] = json; | |
2444 | hash_iterate(zvrf->vni_table, | |
2445 | (void (*)(struct hash_backet *, | |
2446 | void *))zvni_print_neigh_hash_all_vni, | |
2447 | args); | |
2448 | if (use_json) { | |
2449 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2450 | json, JSON_C_TO_STRING_PRETTY)); | |
2451 | json_object_free(json); | |
2452 | } | |
cec2e17d | 2453 | } |
2454 | ||
2455 | /* | |
2456 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
2457 | */ | |
d62a17ae | 2458 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, |
2459 | struct zebra_vrf *zvrf, vni_t vni, | |
cd233079 | 2460 | struct ipaddr *ip, u_char use_json) |
cec2e17d | 2461 | { |
d62a17ae | 2462 | zebra_vni_t *zvni; |
2463 | zebra_neigh_t *n; | |
cd233079 | 2464 | json_object *json = NULL; |
cec2e17d | 2465 | |
d62a17ae | 2466 | if (!EVPN_ENABLED(zvrf)) |
2467 | return; | |
2468 | zvni = zvni_lookup(zvrf, vni); | |
2469 | if (!zvni) { | |
cd233079 CS |
2470 | if (use_json) |
2471 | vty_out(vty, "{}\n"); | |
2472 | else | |
2473 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2474 | return; |
2475 | } | |
2476 | n = zvni_neigh_lookup(zvni, ip); | |
2477 | if (!n) { | |
cd233079 CS |
2478 | if (!use_json) |
2479 | vty_out(vty, | |
2480 | "%% Requested neighbor does not exist in VNI %u\n", | |
2481 | vni); | |
d62a17ae | 2482 | return; |
2483 | } | |
cd233079 CS |
2484 | if (use_json) |
2485 | json = json_object_new_object(); | |
2486 | ||
2487 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 2488 | |
cd233079 CS |
2489 | if (use_json) { |
2490 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2491 | json, JSON_C_TO_STRING_PRETTY)); | |
2492 | json_object_free(json); | |
2493 | } | |
cec2e17d | 2494 | } |
2495 | ||
2496 | /* | |
2497 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
2498 | * By definition, these are remote neighbors. | |
2499 | */ | |
d62a17ae | 2500 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
2501 | vni_t vni, struct in_addr vtep_ip, |
2502 | u_char use_json) | |
cec2e17d | 2503 | { |
d62a17ae | 2504 | zebra_vni_t *zvni; |
2505 | u_int32_t num_neigh; | |
2506 | struct neigh_walk_ctx wctx; | |
cd233079 | 2507 | json_object *json = NULL; |
cec2e17d | 2508 | |
d62a17ae | 2509 | if (!EVPN_ENABLED(zvrf)) |
2510 | return; | |
2511 | zvni = zvni_lookup(zvrf, vni); | |
2512 | if (!zvni) { | |
cd233079 CS |
2513 | if (use_json) |
2514 | vty_out(vty, "{}\n"); | |
2515 | else | |
2516 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2517 | return; |
2518 | } | |
2519 | num_neigh = hashcount(zvni->neigh_table); | |
2520 | if (!num_neigh) | |
2521 | return; | |
cec2e17d | 2522 | |
d62a17ae | 2523 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2524 | wctx.zvni = zvni; | |
2525 | wctx.vty = vty; | |
2526 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
2527 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2528 | wctx.json = json; |
d62a17ae | 2529 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
2530 | |
2531 | if (use_json) { | |
2532 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2533 | json, JSON_C_TO_STRING_PRETTY)); | |
2534 | json_object_free(json); | |
2535 | } | |
cec2e17d | 2536 | } |
2537 | ||
2538 | /* | |
2539 | * Display MACs for a VNI (VTY command handler). | |
2540 | */ | |
d62a17ae | 2541 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 2542 | vni_t vni, u_char use_json) |
cec2e17d | 2543 | { |
d62a17ae | 2544 | zebra_vni_t *zvni; |
2545 | u_int32_t num_macs; | |
2546 | struct mac_walk_ctx wctx; | |
cd233079 CS |
2547 | json_object *json = NULL; |
2548 | json_object *json_mac = NULL; | |
cec2e17d | 2549 | |
d62a17ae | 2550 | if (!EVPN_ENABLED(zvrf)) |
2551 | return; | |
2552 | zvni = zvni_lookup(zvrf, vni); | |
2553 | if (!zvni) { | |
cd233079 CS |
2554 | if (use_json) |
2555 | vty_out(vty, "{}\n"); | |
2556 | else | |
2557 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2558 | return; |
2559 | } | |
2560 | num_macs = hashcount(zvni->mac_table); | |
2561 | if (!num_macs) | |
2562 | return; | |
cec2e17d | 2563 | |
cd233079 CS |
2564 | if (use_json) { |
2565 | json = json_object_new_object(); | |
2566 | json_mac = json_object_new_object(); | |
2567 | } | |
2568 | ||
d62a17ae | 2569 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2570 | wctx.zvni = zvni; | |
2571 | wctx.vty = vty; | |
cd233079 | 2572 | wctx.json = json_mac; |
cec2e17d | 2573 | |
cd233079 CS |
2574 | if (!use_json) { |
2575 | vty_out(vty, | |
2576 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
2577 | num_macs); | |
2578 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
2579 | "Intf/Remote VTEP", "VLAN"); | |
2580 | } else | |
2581 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 2582 | |
d62a17ae | 2583 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
2584 | |
2585 | if (use_json) { | |
2586 | json_object_object_add(json, "macs", json_mac); | |
2587 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2588 | json, JSON_C_TO_STRING_PRETTY)); | |
2589 | json_object_free(json); | |
2590 | } | |
cec2e17d | 2591 | } |
2592 | ||
2593 | /* | |
2594 | * Display MACs for all VNIs (VTY command handler). | |
2595 | */ | |
cd233079 CS |
2596 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2597 | u_char use_json) | |
cec2e17d | 2598 | { |
d62a17ae | 2599 | struct mac_walk_ctx wctx; |
cd233079 | 2600 | json_object *json = NULL; |
cec2e17d | 2601 | |
cd233079 CS |
2602 | if (!EVPN_ENABLED(zvrf)) { |
2603 | if (use_json) | |
2604 | vty_out(vty, "{}\n"); | |
d62a17ae | 2605 | return; |
cd233079 CS |
2606 | } |
2607 | if (use_json) | |
2608 | json = json_object_new_object(); | |
2609 | ||
d62a17ae | 2610 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2611 | wctx.vty = vty; | |
cd233079 | 2612 | wctx.json = json; |
d62a17ae | 2613 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
2614 | |
2615 | if (use_json) { | |
2616 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2617 | json, JSON_C_TO_STRING_PRETTY)); | |
2618 | json_object_free(json); | |
2619 | } | |
cec2e17d | 2620 | } |
2621 | ||
2622 | /* | |
2623 | * Display MACs for all VNIs (VTY command handler). | |
2624 | */ | |
d62a17ae | 2625 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
2626 | struct zebra_vrf *zvrf, | |
cd233079 CS |
2627 | struct in_addr vtep_ip, |
2628 | u_char use_json) | |
cec2e17d | 2629 | { |
d62a17ae | 2630 | struct mac_walk_ctx wctx; |
cd233079 | 2631 | json_object *json = NULL; |
cec2e17d | 2632 | |
d62a17ae | 2633 | if (!EVPN_ENABLED(zvrf)) |
2634 | return; | |
cd233079 CS |
2635 | |
2636 | if (use_json) | |
2637 | json = json_object_new_object(); | |
2638 | ||
d62a17ae | 2639 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2640 | wctx.vty = vty; | |
2641 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
2642 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2643 | wctx.json = json; |
d62a17ae | 2644 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
2645 | |
2646 | if (use_json) { | |
2647 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2648 | json, JSON_C_TO_STRING_PRETTY)); | |
2649 | json_object_free(json); | |
2650 | } | |
cec2e17d | 2651 | } |
2652 | ||
2653 | /* | |
2654 | * Display specific MAC for a VNI, if present (VTY command handler). | |
2655 | */ | |
d62a17ae | 2656 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
2657 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 2658 | { |
d62a17ae | 2659 | zebra_vni_t *zvni; |
2660 | zebra_mac_t *mac; | |
cec2e17d | 2661 | |
d62a17ae | 2662 | if (!EVPN_ENABLED(zvrf)) |
2663 | return; | |
2664 | zvni = zvni_lookup(zvrf, vni); | |
2665 | if (!zvni) { | |
2666 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
2667 | return; | |
2668 | } | |
2669 | mac = zvni_mac_lookup(zvni, macaddr); | |
2670 | if (!mac) { | |
2671 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
2672 | vni); | |
2673 | return; | |
2674 | } | |
cec2e17d | 2675 | |
d62a17ae | 2676 | zvni_print_mac(mac, vty); |
cec2e17d | 2677 | } |
2678 | ||
2679 | /* | |
2680 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
2681 | */ | |
d62a17ae | 2682 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
2683 | vni_t vni, struct in_addr vtep_ip, |
2684 | u_char use_json) | |
cec2e17d | 2685 | { |
d62a17ae | 2686 | zebra_vni_t *zvni; |
2687 | u_int32_t num_macs; | |
2688 | struct mac_walk_ctx wctx; | |
cd233079 CS |
2689 | json_object *json = NULL; |
2690 | json_object *json_mac = NULL; | |
cec2e17d | 2691 | |
d62a17ae | 2692 | if (!EVPN_ENABLED(zvrf)) |
2693 | return; | |
2694 | zvni = zvni_lookup(zvrf, vni); | |
2695 | if (!zvni) { | |
cd233079 CS |
2696 | if (use_json) |
2697 | vty_out(vty, "{}\n"); | |
2698 | else | |
2699 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2700 | return; |
2701 | } | |
2702 | num_macs = hashcount(zvni->mac_table); | |
2703 | if (!num_macs) | |
2704 | return; | |
cd233079 CS |
2705 | |
2706 | if (use_json) { | |
2707 | json = json_object_new_object(); | |
2708 | json_mac = json_object_new_object(); | |
2709 | } | |
2710 | ||
d62a17ae | 2711 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2712 | wctx.zvni = zvni; | |
2713 | wctx.vty = vty; | |
2714 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
2715 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 2716 | wctx.json = json_mac; |
d62a17ae | 2717 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
2718 | |
2719 | if (use_json) { | |
2720 | json_object_int_add(json, "numMacs", wctx.count); | |
2721 | if (wctx.count) | |
2722 | json_object_object_add(json, "macs", json_mac); | |
2723 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2724 | json, JSON_C_TO_STRING_PRETTY)); | |
2725 | json_object_free(json); | |
2726 | } | |
cec2e17d | 2727 | } |
2728 | ||
2729 | ||
2730 | /* | |
2731 | * Display VNI information (VTY command handler). | |
2732 | */ | |
cd233079 CS |
2733 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
2734 | u_char use_json) | |
cec2e17d | 2735 | { |
d62a17ae | 2736 | zebra_vni_t *zvni; |
cd233079 CS |
2737 | json_object *json = NULL; |
2738 | void *args[2]; | |
cec2e17d | 2739 | |
d62a17ae | 2740 | if (!EVPN_ENABLED(zvrf)) |
2741 | return; | |
2742 | zvni = zvni_lookup(zvrf, vni); | |
2743 | if (!zvni) { | |
cd233079 CS |
2744 | if (use_json) |
2745 | vty_out(vty, "{}\n"); | |
2746 | else | |
2747 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 2748 | return; |
2749 | } | |
cd233079 CS |
2750 | if (use_json) |
2751 | json = json_object_new_object(); | |
2752 | args[0] = vty; | |
2753 | args[1] = json; | |
2754 | zvni_print(zvni, (void *)args); | |
2755 | if (use_json) { | |
2756 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2757 | json, JSON_C_TO_STRING_PRETTY)); | |
2758 | json_object_free(json); | |
2759 | } | |
cec2e17d | 2760 | } |
2761 | ||
2762 | /* | |
2763 | * Display VNI hash table (VTY command handler). | |
2764 | */ | |
cd233079 CS |
2765 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, |
2766 | u_char use_json) | |
cec2e17d | 2767 | { |
d62a17ae | 2768 | u_int32_t num_vnis; |
cd233079 CS |
2769 | json_object *json = NULL; |
2770 | void *args[2]; | |
cec2e17d | 2771 | |
d62a17ae | 2772 | if (!EVPN_ENABLED(zvrf)) |
2773 | return; | |
2774 | num_vnis = hashcount(zvrf->vni_table); | |
cd233079 CS |
2775 | if (!num_vnis) { |
2776 | if (use_json) | |
2777 | vty_out(vty, "{}\n"); | |
d62a17ae | 2778 | return; |
cd233079 CS |
2779 | } |
2780 | if (use_json) { | |
2781 | json = json_object_new_object(); | |
ddd16ed5 MK |
2782 | json_object_string_add(json, "advertiseGatewayMacip", |
2783 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
2784 | json_object_int_add(json, "numVnis", num_vnis); |
2785 | } else { | |
ddd16ed5 MK |
2786 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
2787 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
2788 | vty_out(vty, "Number of VNIs: %u\n", num_vnis); |
2789 | vty_out(vty, "%-10s %-21s %-15s %-8s %-8s %-15s\n", "VNI", | |
2790 | "VxLAN IF", "VTEP IP", "# MACs", "# ARPs", | |
2791 | "# Remote VTEPs"); | |
2792 | } | |
2793 | args[0] = vty; | |
2794 | args[1] = json; | |
2795 | ||
2796 | hash_iterate(zvrf->vni_table, | |
2797 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
2798 | args); | |
2799 | ||
2800 | if (use_json) { | |
2801 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
2802 | json, JSON_C_TO_STRING_PRETTY)); | |
2803 | json_object_free(json); | |
2804 | } | |
cec2e17d | 2805 | } |
2806 | ||
2232a77c | 2807 | /* |
2808 | * Handle neighbor delete (on a VLAN device / L3 interface) from the | |
2809 | * kernel. This may result in either the neighbor getting deleted from | |
2810 | * our database or being re-added to the kernel (if it is a valid | |
2811 | * remote neighbor). | |
2812 | */ | |
d62a17ae | 2813 | int zebra_vxlan_local_neigh_del(struct interface *ifp, |
2814 | struct interface *link_if, struct ipaddr *ip) | |
2815 | { | |
2816 | zebra_vni_t *zvni; | |
2817 | zebra_neigh_t *n; | |
2818 | struct zebra_vrf *zvrf; | |
2819 | char buf[INET6_ADDRSTRLEN]; | |
b6938a74 MK |
2820 | char buf2[ETHER_ADDR_STRLEN]; |
2821 | zebra_mac_t *zmac; | |
d62a17ae | 2822 | |
2823 | /* We are only interested in neighbors on an SVI that resides on top | |
2824 | * of a VxLAN bridge. | |
2825 | */ | |
2826 | zvni = zvni_map_svi(ifp, link_if); | |
2827 | if (!zvni) | |
2828 | return 0; | |
2829 | if (!zvni->vxlan_if) { | |
2830 | zlog_err( | |
2831 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
2832 | zvni->vni, zvni); | |
2833 | return -1; | |
2834 | } | |
2835 | ||
2836 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2837 | zlog_debug("%u:Del neighbor %s intf %s(%u) -> VNI %u", | |
2838 | ifp->vrf_id, ipaddr2str(ip, buf, sizeof(buf)), | |
2839 | ifp->name, ifp->ifindex, zvni->vni); | |
2840 | ||
2841 | /* If entry doesn't exist, nothing to do. */ | |
2842 | n = zvni_neigh_lookup(zvni, ip); | |
2843 | if (!n) | |
2844 | return 0; | |
2845 | ||
b6938a74 MK |
2846 | zmac = zvni_mac_lookup(zvni, &n->emac); |
2847 | if (!zmac) { | |
2848 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2849 | zlog_err( | |
2850 | "%u: trying to del a neigh %s without a mac %s on VNI %u", | |
2851 | ifp->vrf_id, ipaddr2str(ip, buf, sizeof(buf)), | |
2852 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), | |
2853 | zvni->vni); | |
2854 | ||
2855 | return 0; | |
2856 | } | |
2857 | ||
d62a17ae | 2858 | /* If it is a remote entry, the kernel has aged this out or someone has |
2859 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
2860 | */ | |
2861 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
2862 | zvni_neigh_install(zvni, n); | |
2863 | return 0; | |
2864 | } | |
2865 | ||
2866 | /* Locate VRF corresponding to interface. */ | |
2867 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
2868 | assert(zvrf); | |
2869 | ||
2870 | /* Remove neighbor from BGP. */ | |
b6938a74 MK |
2871 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2872 | zvni_neigh_send_del_to_client(zvrf, zvni->vni, &n->ip, &n->emac, | |
2873 | 0); | |
d62a17ae | 2874 | |
2875 | /* Delete this neighbor entry. */ | |
2876 | zvni_neigh_del(zvni, n); | |
2877 | ||
b6938a74 MK |
2878 | /* see if the AUTO mac needs to be deleted */ |
2879 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 2880 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
2881 | zvni_mac_del(zvni, zmac); |
2882 | ||
d62a17ae | 2883 | return 0; |
2232a77c | 2884 | } |
2885 | ||
2886 | /* | |
859b32c0 MK |
2887 | * Handle neighbor add or update (on a VLAN device / L3 interface) |
2888 | * from the kernel. | |
2232a77c | 2889 | */ |
d62a17ae | 2890 | int zebra_vxlan_local_neigh_add_update(struct interface *ifp, |
2891 | struct interface *link_if, | |
2892 | struct ipaddr *ip, | |
2893 | struct ethaddr *macaddr, u_int16_t state, | |
2894 | u_char ext_learned) | |
2895 | { | |
2896 | zebra_vni_t *zvni; | |
2897 | zebra_neigh_t *n; | |
2898 | struct zebra_vrf *zvrf; | |
b682f6de | 2899 | zebra_mac_t *zmac, *old_zmac; |
d62a17ae | 2900 | char buf[ETHER_ADDR_STRLEN]; |
2901 | char buf2[INET6_ADDRSTRLEN]; | |
d62a17ae | 2902 | |
2903 | /* We are only interested in neighbors on an SVI that resides on top | |
2904 | * of a VxLAN bridge. | |
2905 | */ | |
2906 | zvni = zvni_map_svi(ifp, link_if); | |
2907 | if (!zvni) | |
2908 | return 0; | |
2909 | ||
2910 | /* Locate VRF corresponding to interface. */ | |
2911 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
2912 | assert(zvrf); | |
2913 | ||
2914 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2915 | zlog_debug( | |
2916 | "%u:Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x " | |
2917 | "%s-> VNI %u", | |
2918 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
2919 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
2920 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
2921 | zvni->vni); | |
2922 | ||
b6938a74 MK |
2923 | /* create a dummy MAC if the MAC is not already present */ |
2924 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2925 | if (!zmac) { | |
2926 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2927 | zlog_debug( | |
2928 | "%u: AUTO MAC %s created for neigh %s on VNI %u", | |
2929 | ifp->vrf_id, | |
2930 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2931 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
2932 | ||
2933 | zmac = zvni_mac_add(zvni, macaddr); | |
2934 | if (!zmac) { | |
2935 | zlog_warn("%u:Failed to add MAC %s VNI %u", | |
2936 | zvrf_id(zvrf), | |
2937 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2938 | zvni->vni); | |
2939 | return -1; | |
2940 | } | |
2941 | ||
2942 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2943 | memset(&zmac->flags, 0, sizeof(u_int32_t)); | |
2944 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
2945 | } | |
2946 | ||
d62a17ae | 2947 | /* If same entry already exists, it might be a change or it might be a |
2948 | * move from remote to local. | |
2949 | */ | |
2950 | n = zvni_neigh_lookup(zvni, ip); | |
2951 | if (n) { | |
2952 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2953 | if (memcmp(n->emac.octet, macaddr->octet, | |
ff8b7eb8 | 2954 | ETH_ALEN) |
d62a17ae | 2955 | == 0) { |
b682f6de | 2956 | /* Update any params and return - client doesn't |
2957 | * care about a purely local change. | |
2958 | */ | |
2959 | n->ifindex = ifp->ifindex; | |
2960 | return 0; | |
57f7feb6 | 2961 | } |
b682f6de | 2962 | |
57f7feb6 MK |
2963 | /* If the MAC has changed, |
2964 | * need to issue a delete first | |
2965 | * as this means a different MACIP route. | |
2966 | * Also, need to do some unlinking/relinking. | |
2967 | */ | |
2968 | zvni_neigh_send_del_to_client(zvrf, zvni->vni, | |
2969 | &n->ip, &n->emac, | |
2970 | 0); | |
2971 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2972 | if (old_zmac) { | |
2973 | listnode_delete(old_zmac->neigh_list, | |
2974 | n); | |
2975 | zvni_deref_ip2mac(zvni, old_zmac, 0); | |
b682f6de | 2976 | } |
57f7feb6 MK |
2977 | |
2978 | /* Set "local" forwarding info. */ | |
2979 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2980 | n->ifindex = ifp->ifindex; | |
2981 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2982 | ||
2983 | /* Link to new MAC */ | |
2984 | listnode_add_sort(zmac->neigh_list, n); | |
d62a17ae | 2985 | } else if (ext_learned) |
2986 | /* The neighbor is remote and that is the notification we got. | |
9d303b37 | 2987 | */ |
d62a17ae | 2988 | { |
859b32c0 | 2989 | /* TODO: Evaluate if we need to do anything here. */ |
d62a17ae | 2990 | return 0; |
2991 | } else | |
2992 | /* Neighbor has moved from remote to local. */ | |
2993 | { | |
2994 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2995 | n->r_vtep_ip.s_addr = 0; | |
b682f6de | 2996 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
2997 | n->ifindex = ifp->ifindex; | |
d62a17ae | 2998 | } |
2999 | } else { | |
b6938a74 | 3000 | n = zvni_neigh_add(zvni, ip, macaddr); |
d62a17ae | 3001 | if (!n) { |
3002 | zlog_err( | |
3003 | "%u:Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", | |
3004 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3005 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3006 | ifp->name, ifp->ifindex, zvni->vni); | |
3007 | return -1; | |
3008 | } | |
b682f6de | 3009 | /* Set "local" forwarding info. */ |
3010 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3011 | n->ifindex = ifp->ifindex; | |
d62a17ae | 3012 | } |
3013 | ||
b6938a74 MK |
3014 | /* Before we program this in BGP, we need to check if MAC is locally |
3015 | * learnt as well */ | |
3016 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
3017 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3018 | zlog_debug( | |
3019 | "%u: Skipping neigh %s add to client as MAC %s is not local on VNI %u", | |
3020 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3021 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3022 | zvni->vni); | |
3023 | ||
3024 | return 0; | |
3025 | } | |
3026 | ||
b682f6de | 3027 | /* Inform BGP. */ |
3028 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3029 | zlog_debug( | |
3030 | "%u: neigh %s (MAC %s) is now ACTIVE on VNI %u", | |
3031 | ifp->vrf_id, ipaddr2str(ip, buf2, sizeof(buf2)), | |
3032 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3033 | zvni->vni); | |
d62a17ae | 3034 | |
b682f6de | 3035 | ZEBRA_NEIGH_SET_ACTIVE(n); |
3036 | return zvni_neigh_send_add_to_client(zvrf, zvni->vni, ip, | |
3037 | macaddr, 0); | |
2232a77c | 3038 | } |
3039 | ||
b682f6de | 3040 | |
2232a77c | 3041 | /* |
3042 | * Handle message from client to delete a remote MACIP for a VNI. | |
3043 | */ | |
d62a17ae | 3044 | int zebra_vxlan_remote_macip_del(struct zserv *client, int sock, u_short length, |
3045 | struct zebra_vrf *zvrf) | |
3046 | { | |
3047 | struct stream *s; | |
3048 | vni_t vni; | |
3049 | struct ethaddr macaddr; | |
3050 | struct ipaddr ip; | |
3051 | struct in_addr vtep_ip; | |
3052 | zebra_vni_t *zvni; | |
3053 | zebra_mac_t *mac; | |
3054 | zebra_neigh_t *n; | |
3055 | u_short l = 0, ipa_len; | |
3056 | char buf[ETHER_ADDR_STRLEN]; | |
3057 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 3058 | struct interface *ifp = NULL; |
3059 | struct zebra_if *zif = NULL; | |
d62a17ae | 3060 | |
3061 | s = client->ibuf; | |
3062 | ||
3063 | while (l < length) { | |
3064 | /* Obtain each remote MACIP and process. */ | |
3065 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
3066 | * followed by remote VTEP IP. | |
3067 | */ | |
3068 | mac = NULL; | |
3069 | n = NULL; | |
3070 | memset(&ip, 0, sizeof(ip)); | |
3071 | vni = (vni_t)stream_getl(s); | |
ff8b7eb8 | 3072 | stream_get(&macaddr.octet, s, ETH_ALEN); |
d62a17ae | 3073 | ipa_len = stream_getl(s); |
3074 | if (ipa_len) { | |
3075 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
3076 | : IPADDR_V6; | |
3077 | stream_get(&ip.ip.addr, s, ipa_len); | |
3078 | } | |
ff8b7eb8 | 3079 | l += 4 + ETH_ALEN + 4 + ipa_len; |
d62a17ae | 3080 | vtep_ip.s_addr = stream_get_ipv4(s); |
3081 | l += IPV4_MAX_BYTELEN; | |
3082 | ||
3083 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3084 | zlog_debug( | |
3085 | "%u:Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", | |
3086 | zvrf_id(zvrf), | |
3087 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3088 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
3089 | inet_ntoa(vtep_ip), | |
3090 | zebra_route_string(client->proto)); | |
3091 | ||
3092 | /* Locate VNI hash entry - expected to exist. */ | |
3093 | zvni = zvni_lookup(zvrf, vni); | |
3094 | if (!zvni) { | |
3095 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3096 | zlog_debug( | |
3097 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
3098 | "VRF %d VNI %u", | |
3099 | zvrf_id(zvrf), vni); | |
3100 | continue; | |
3101 | } | |
b5ebdc9b | 3102 | ifp = zvni->vxlan_if; |
af026ae4 | 3103 | if (!ifp) { |
d62a17ae | 3104 | zlog_err( |
3105 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
3106 | vni, zvni); | |
3107 | continue; | |
3108 | } | |
b5ebdc9b | 3109 | zif = ifp->info; |
3110 | ||
3111 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3112 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 3113 | continue; |
d62a17ae | 3114 | |
3115 | /* The remote VTEP specified is normally expected to exist, but | |
3116 | * it is | |
3117 | * possible that the peer may delete the VTEP before deleting | |
3118 | * any MACs | |
3119 | * referring to the VTEP, in which case the handler (see | |
3120 | * remote_vtep_del) | |
3121 | * would have already deleted the MACs. | |
3122 | */ | |
3123 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
3124 | continue; | |
3125 | ||
d62a17ae | 3126 | mac = zvni_mac_lookup(zvni, &macaddr); |
3127 | if (ipa_len) | |
3128 | n = zvni_neigh_lookup(zvni, &ip); | |
3129 | ||
3130 | if (n && !mac) { | |
3131 | zlog_err( | |
3132 | "failed to locate MAC %s for neigh %s in VRF %u VNI %u", | |
3133 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3134 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
3135 | zvrf_id(zvrf), vni); | |
3136 | continue; | |
3137 | } | |
3138 | ||
3139 | /* If the remote mac or neighbor doesn't exist there is nothing | |
3140 | * more | |
3141 | * to do. Otherwise, uninstall the entry and then remove it. | |
3142 | */ | |
3143 | if (!mac && !n) | |
3144 | continue; | |
3145 | ||
3146 | /* Uninstall remote neighbor or MAC. */ | |
3147 | if (n) { | |
3148 | /* When the MAC changes for an IP, it is possible the | |
3149 | * client may | |
3150 | * update the new MAC before trying to delete the "old" | |
3151 | * neighbor | |
3152 | * (as these are two different MACIP routes). Do the | |
3153 | * delete only | |
3154 | * if the MAC matches. | |
3155 | */ | |
3156 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
3157 | && (memcmp(n->emac.octet, macaddr.octet, | |
ff8b7eb8 | 3158 | ETH_ALEN) |
d62a17ae | 3159 | == 0)) { |
3160 | zvni_neigh_uninstall(zvni, n); | |
3161 | zvni_neigh_del(zvni, n); | |
3162 | zvni_deref_ip2mac(zvni, mac, 1); | |
3163 | } | |
3164 | } else { | |
3165 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
b6938a74 MK |
3166 | zvni_process_neigh_on_remote_mac_del(zvrf, zvni, |
3167 | mac); | |
3168 | ||
0a97666d | 3169 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 3170 | zvni_mac_uninstall(zvni, mac, 0); |
3171 | zvni_mac_del(zvni, mac); | |
3172 | } else | |
3173 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3174 | } | |
3175 | } | |
3176 | } | |
3177 | ||
3178 | return 0; | |
2232a77c | 3179 | } |
3180 | ||
3181 | /* | |
3182 | * Handle message from client to add a remote MACIP for a VNI. This | |
3183 | * could be just the add of a MAC address or the add of a neighbor | |
3184 | * (IP+MAC). | |
3185 | */ | |
d62a17ae | 3186 | int zebra_vxlan_remote_macip_add(struct zserv *client, int sock, u_short length, |
3187 | struct zebra_vrf *zvrf) | |
3188 | { | |
3189 | struct stream *s; | |
3190 | vni_t vni; | |
3191 | struct ethaddr macaddr; | |
3192 | struct ipaddr ip; | |
3193 | struct in_addr vtep_ip; | |
3194 | zebra_vni_t *zvni; | |
3195 | zebra_vtep_t *zvtep; | |
3196 | zebra_mac_t *mac, *old_mac; | |
3197 | zebra_neigh_t *n; | |
3198 | u_short l = 0, ipa_len; | |
3199 | int update_mac = 0, update_neigh = 0; | |
3200 | char buf[ETHER_ADDR_STRLEN]; | |
3201 | char buf1[INET6_ADDRSTRLEN]; | |
3202 | u_char sticky; | |
b5ebdc9b | 3203 | struct interface *ifp = NULL; |
3204 | struct zebra_if *zif = NULL; | |
d62a17ae | 3205 | |
3206 | assert(EVPN_ENABLED(zvrf)); | |
3207 | ||
3208 | s = client->ibuf; | |
3209 | ||
3210 | while (l < length) { | |
3211 | /* Obtain each remote MACIP and process. */ | |
3212 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
3213 | * followed by remote VTEP IP. | |
3214 | */ | |
3215 | update_mac = update_neigh = 0; | |
3216 | mac = NULL; | |
3217 | n = NULL; | |
3218 | memset(&ip, 0, sizeof(ip)); | |
3219 | vni = (vni_t)stream_getl(s); | |
ff8b7eb8 | 3220 | stream_get(&macaddr.octet, s, ETH_ALEN); |
d62a17ae | 3221 | ipa_len = stream_getl(s); |
3222 | if (ipa_len) { | |
3223 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
3224 | : IPADDR_V6; | |
3225 | stream_get(&ip.ip.addr, s, ipa_len); | |
3226 | } | |
ff8b7eb8 | 3227 | l += 4 + ETH_ALEN + 4 + ipa_len; |
d62a17ae | 3228 | vtep_ip.s_addr = stream_get_ipv4(s); |
3229 | l += IPV4_MAX_BYTELEN; | |
3230 | ||
3231 | /* Get 'sticky' flag. */ | |
3232 | sticky = stream_getc(s); | |
3233 | l++; | |
3234 | ||
3235 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3236 | zlog_debug( | |
3237 | "%u:Recv MACIP Add %sMAC %s IP %s VNI %u Remote VTEP %s from %s", | |
3238 | zvrf_id(zvrf), sticky ? "sticky " : "", | |
3239 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
3240 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
3241 | inet_ntoa(vtep_ip), | |
3242 | zebra_route_string(client->proto)); | |
3243 | ||
3244 | /* Locate VNI hash entry - expected to exist. */ | |
3245 | zvni = zvni_lookup(zvrf, vni); | |
3246 | if (!zvni) { | |
3247 | zlog_err( | |
3248 | "Failed to locate VNI hash upon remote MACIP ADD, VRF %d VNI %u", | |
3249 | zvrf_id(zvrf), vni); | |
3250 | continue; | |
3251 | } | |
b5ebdc9b | 3252 | ifp = zvni->vxlan_if; |
3253 | if (!ifp) { | |
d62a17ae | 3254 | zlog_err( |
3255 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
3256 | vni, zvni); | |
3257 | continue; | |
3258 | } | |
b5ebdc9b | 3259 | zif = ifp->info; |
3260 | ||
3261 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3262 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 3263 | continue; |
3264 | ||
3265 | /* The remote VTEP specified should normally exist, but it is | |
3266 | * possible | |
3267 | * that when peering comes up, peer may advertise MACIP routes | |
3268 | * before | |
3269 | * advertising type-3 routes. | |
3270 | */ | |
3271 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
3272 | if (!zvtep) { | |
3273 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
3274 | zlog_err( | |
3275 | "Failed to add remote VTEP, VRF %d VNI %u zvni %p", | |
3276 | zvrf_id(zvrf), vni, zvni); | |
3277 | continue; | |
3278 | } | |
3279 | ||
3280 | zvni_vtep_install(zvni, &vtep_ip); | |
3281 | } | |
3282 | ||
3283 | /* First, check if the remote MAC is unknown or has a change. If | |
3284 | * so, | |
3285 | * that needs to be updated first. Note that client could | |
3286 | * install | |
3287 | * MAC and MACIP separately or just install the latter. | |
3288 | */ | |
3289 | mac = zvni_mac_lookup(zvni, &macaddr); | |
3290 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
3291 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
3292 | != sticky | |
3293 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
3294 | update_mac = 1; | |
3295 | ||
3296 | if (update_mac) { | |
3297 | if (!mac) { | |
3298 | mac = zvni_mac_add(zvni, &macaddr); | |
3299 | if (!mac) { | |
3300 | zlog_warn( | |
3301 | "%u:Failed to add MAC %s VNI %u Remote VTEP %s", | |
3302 | zvrf_id(zvrf), | |
3303 | prefix_mac2str(&macaddr, buf, | |
3304 | sizeof(buf)), | |
3305 | vni, inet_ntoa(vtep_ip)); | |
3306 | return -1; | |
3307 | } | |
3308 | ||
3309 | /* Is this MAC created for a MACIP? */ | |
3310 | if (ipa_len) | |
3311 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 3312 | } |
3313 | ||
3314 | /* Set "auto" and "remote" forwarding info. */ | |
3315 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3316 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
3317 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
3318 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
3319 | ||
3320 | if (sticky) | |
3321 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3322 | else | |
3323 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3324 | ||
b6938a74 MK |
3325 | zvni_process_neigh_on_remote_mac_add(zvrf, zvni, mac); |
3326 | ||
d62a17ae | 3327 | /* Install the entry. */ |
3328 | zvni_mac_install(zvni, mac); | |
3329 | } | |
3330 | ||
3331 | /* If there is no IP, continue - after clearing AUTO flag of | |
3332 | * MAC. */ | |
3333 | if (!ipa_len) { | |
3334 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3335 | continue; | |
3336 | } | |
3337 | ||
3338 | /* Check if the remote neighbor itself is unknown or has a | |
3339 | * change. | |
3340 | * If so, create or update and then install the entry. | |
3341 | */ | |
3342 | n = zvni_neigh_lookup(zvni, &ip); | |
3343 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
3344 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
3345 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
3346 | update_neigh = 1; | |
3347 | ||
3348 | if (update_neigh) { | |
3349 | if (!n) { | |
b6938a74 | 3350 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 3351 | if (!n) { |
3352 | zlog_warn( | |
3353 | "%u:Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
3354 | zvrf_id(zvrf), | |
3355 | ipaddr2str(&ip, buf1, | |
3356 | sizeof(buf1)), | |
3357 | prefix_mac2str(&macaddr, buf, | |
3358 | sizeof(buf)), | |
3359 | vni, inet_ntoa(vtep_ip)); | |
3360 | return -1; | |
3361 | } | |
3362 | ||
d62a17ae | 3363 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
3364 | != 0) { | |
0a97666d MK |
3365 | /* MAC change, update neigh list for old and new |
3366 | * mac */ | |
d62a17ae | 3367 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
3368 | if (old_mac) { |
3369 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 3370 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
3371 | } |
3372 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 3373 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 3374 | } |
3375 | ||
3376 | /* Set "remote" forwarding info. */ | |
3377 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3378 | /* TODO: Handle MAC change. */ | |
d62a17ae | 3379 | n->r_vtep_ip = vtep_ip; |
3380 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
3381 | ||
3382 | /* Install the entry. */ | |
3383 | zvni_neigh_install(zvni, n); | |
3384 | } | |
3385 | } | |
3386 | ||
3387 | return 0; | |
13d60d35 | 3388 | } |
3389 | ||
3390 | /* | |
2232a77c | 3391 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
3392 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
3393 | * of any prior local MAC. | |
13d60d35 | 3394 | */ |
d62a17ae | 3395 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
3396 | struct interface *br_if, | |
3397 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3398 | { |
d62a17ae | 3399 | struct zebra_if *zif; |
3400 | struct zebra_vrf *zvrf; | |
3401 | struct zebra_l2info_vxlan *vxl; | |
3402 | vni_t vni; | |
3403 | zebra_vni_t *zvni; | |
3404 | zebra_mac_t *mac; | |
3405 | char buf[ETHER_ADDR_STRLEN]; | |
3406 | u_char sticky; | |
13d60d35 | 3407 | |
d62a17ae | 3408 | zif = ifp->info; |
3409 | assert(zif); | |
3410 | vxl = &zif->l2info.vxl; | |
3411 | vni = vxl->vni; | |
13d60d35 | 3412 | |
d62a17ae | 3413 | /* Locate VRF corresponding to interface. */ |
3414 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
3415 | assert(zvrf); | |
13d60d35 | 3416 | |
d62a17ae | 3417 | /* If EVPN is not enabled, nothing to do. */ |
3418 | if (!EVPN_ENABLED(zvrf)) | |
3419 | return 0; | |
13d60d35 | 3420 | |
d62a17ae | 3421 | /* Locate hash entry; it is expected to exist. */ |
3422 | zvni = zvni_lookup(zvrf, vni); | |
3423 | if (!zvni) | |
3424 | return 0; | |
13d60d35 | 3425 | |
d62a17ae | 3426 | /* If entry doesn't exist, nothing to do. */ |
3427 | mac = zvni_mac_lookup(zvni, macaddr); | |
3428 | if (!mac) | |
3429 | return 0; | |
13d60d35 | 3430 | |
d62a17ae | 3431 | /* Is it a local entry? */ |
3432 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
3433 | return 0; | |
13d60d35 | 3434 | |
d62a17ae | 3435 | if (IS_ZEBRA_DEBUG_VXLAN) |
3436 | zlog_debug( | |
3437 | "%u:Add/update remote MAC %s intf %s(%u) VNI %u - del local", | |
3438 | ifp->vrf_id, prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3439 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 3440 | |
d62a17ae | 3441 | /* Remove MAC from BGP. */ |
3442 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
1a98c087 MK |
3443 | zvni_mac_send_del_to_client(zvrf, zvni->vni, macaddr, |
3444 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); | |
13d60d35 | 3445 | |
b6938a74 MK |
3446 | /* |
3447 | * If there are no neigh associated with the mac delete the mac | |
3448 | * else mark it as AUTO for forward reference | |
3449 | */ | |
3450 | if (!listcount(mac->neigh_list)) { | |
3451 | zvni_mac_del(zvni, mac); | |
3452 | } else { | |
3453 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3454 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3455 | } | |
13d60d35 | 3456 | |
d62a17ae | 3457 | return 0; |
13d60d35 | 3458 | } |
3459 | ||
3460 | /* | |
2232a77c | 3461 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
3462 | * This can happen because the remote MAC entries are also added as "dynamic", | |
3463 | * so the kernel can ageout the entry. | |
13d60d35 | 3464 | */ |
d62a17ae | 3465 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
3466 | struct interface *br_if, | |
3467 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3468 | { |
d62a17ae | 3469 | struct zebra_if *zif; |
3470 | struct zebra_vrf *zvrf; | |
3471 | struct zebra_l2info_vxlan *vxl; | |
3472 | vni_t vni; | |
3473 | zebra_vni_t *zvni; | |
3474 | zebra_mac_t *mac; | |
3475 | char buf[ETHER_ADDR_STRLEN]; | |
2232a77c | 3476 | |
d62a17ae | 3477 | zif = ifp->info; |
3478 | assert(zif); | |
3479 | vxl = &zif->l2info.vxl; | |
3480 | vni = vxl->vni; | |
2232a77c | 3481 | |
d62a17ae | 3482 | /* Locate VRF corresponding to interface. */ |
3483 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
3484 | assert(zvrf); | |
13d60d35 | 3485 | |
d62a17ae | 3486 | /* If EVPN is not enabled, nothing to do. */ |
3487 | if (!EVPN_ENABLED(zvrf)) | |
3488 | return 0; | |
2232a77c | 3489 | |
d62a17ae | 3490 | /* Locate hash entry; it is expected to exist. */ |
3491 | zvni = zvni_lookup(zvrf, vni); | |
3492 | if (!zvni) | |
3493 | return 0; | |
13d60d35 | 3494 | |
d62a17ae | 3495 | /* If entry doesn't exist, nothing to do. */ |
3496 | mac = zvni_mac_lookup(zvni, macaddr); | |
3497 | if (!mac) | |
3498 | return 0; | |
2232a77c | 3499 | |
d62a17ae | 3500 | /* Is it a remote entry? */ |
3501 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
3502 | return 0; | |
2232a77c | 3503 | |
d62a17ae | 3504 | if (IS_ZEBRA_DEBUG_VXLAN) |
3505 | zlog_debug("%u:Del remote MAC %s intf %s(%u) VNI %u - readd", | |
3506 | ifp->vrf_id, | |
3507 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3508 | ifp->ifindex, vni); | |
13d60d35 | 3509 | |
d62a17ae | 3510 | zvni_mac_install(zvni, mac); |
3511 | return 0; | |
13d60d35 | 3512 | } |
3513 | ||
3514 | /* | |
2232a77c | 3515 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 3516 | */ |
d62a17ae | 3517 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
3518 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 3519 | { |
d62a17ae | 3520 | zebra_vni_t *zvni; |
3521 | zebra_mac_t *mac; | |
3522 | struct zebra_vrf *zvrf; | |
3523 | char buf[ETHER_ADDR_STRLEN]; | |
3524 | u_char sticky; | |
13d60d35 | 3525 | |
d62a17ae | 3526 | /* We are interested in MACs only on ports or (port, VLAN) that |
3527 | * map to a VNI. | |
3528 | */ | |
3529 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
3530 | if (!zvni) | |
3531 | return 0; | |
3532 | if (!zvni->vxlan_if) { | |
3533 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
3534 | zvni->vni, zvni); | |
3535 | return -1; | |
3536 | } | |
13d60d35 | 3537 | |
d62a17ae | 3538 | if (IS_ZEBRA_DEBUG_VXLAN) |
3539 | zlog_debug("%u:Del MAC %s intf %s(%u) VID %u -> VNI %u", | |
3540 | ifp->vrf_id, | |
3541 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3542 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 3543 | |
d62a17ae | 3544 | /* If entry doesn't exist, nothing to do. */ |
3545 | mac = zvni_mac_lookup(zvni, macaddr); | |
3546 | if (!mac) | |
3547 | return 0; | |
2232a77c | 3548 | |
d62a17ae | 3549 | /* Is it a local entry? */ |
3550 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
3551 | return 0; | |
2232a77c | 3552 | |
d62a17ae | 3553 | /* Locate VRF corresponding to interface. */ |
3554 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
3555 | assert(zvrf); | |
2232a77c | 3556 | |
d62a17ae | 3557 | /* Remove MAC from BGP. */ |
3558 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
1a98c087 MK |
3559 | zvni_mac_send_del_to_client(zvrf, zvni->vni, macaddr, |
3560 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); | |
2232a77c | 3561 | |
b6938a74 MK |
3562 | /* Update all the neigh entries associated with this mac */ |
3563 | zvni_process_neigh_on_local_mac_del(zvrf, zvni, mac); | |
3564 | ||
3565 | /* | |
3566 | * If there are no neigh associated with the mac delete the mac | |
3567 | * else mark it as AUTO for forward reference | |
3568 | */ | |
3569 | if (!listcount(mac->neigh_list)) { | |
3570 | zvni_mac_del(zvni, mac); | |
3571 | } else { | |
3572 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
3573 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
3574 | } | |
2232a77c | 3575 | |
d62a17ae | 3576 | return 0; |
13d60d35 | 3577 | } |
3578 | ||
3579 | /* | |
2232a77c | 3580 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 3581 | */ |
d62a17ae | 3582 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
3583 | struct interface *br_if, | |
3584 | struct ethaddr *macaddr, vlanid_t vid, | |
3585 | u_char sticky) | |
3586 | { | |
3587 | zebra_vni_t *zvni; | |
3588 | zebra_mac_t *mac; | |
3589 | struct zebra_vrf *zvrf; | |
3590 | char buf[ETHER_ADDR_STRLEN]; | |
3591 | int add = 1; | |
3592 | u_char mac_sticky; | |
3593 | ||
3594 | /* We are interested in MACs only on ports or (port, VLAN) that | |
3595 | * map to a VNI. | |
3596 | */ | |
3597 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
3598 | if (!zvni) { | |
3599 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3600 | zlog_debug( | |
3601 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", | |
3602 | ifp->vrf_id, sticky ? "sticky " : "", | |
3603 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3604 | ifp->name, ifp->ifindex, vid); | |
3605 | return 0; | |
3606 | } | |
3607 | ||
3608 | if (!zvni->vxlan_if) { | |
3609 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
3610 | zvni->vni, zvni); | |
3611 | return -1; | |
3612 | } | |
3613 | ||
3614 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3615 | zlog_debug( | |
3616 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
3617 | ifp->vrf_id, sticky ? "sticky " : "", | |
3618 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
3619 | ifp->ifindex, vid, zvni->vni); | |
3620 | ||
3621 | /* If same entry already exists, nothing to do. */ | |
3622 | mac = zvni_mac_lookup(zvni, macaddr); | |
3623 | if (mac) { | |
3624 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
3625 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
3626 | ? 1 | |
3627 | : 0; | |
3628 | ||
b6938a74 | 3629 | |
b8ce75a5 MK |
3630 | /* |
3631 | * return if nothing has changed. | |
3632 | * inform bgp if sticky flag has changed | |
3633 | * update locally and do not inform bgp if local | |
3634 | * parameters like interface has changed | |
3635 | */ | |
d62a17ae | 3636 | if (mac_sticky == sticky |
3637 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
3638 | && mac->fwd_info.local.vid == vid) { | |
3639 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3640 | zlog_debug( | |
3641 | "%u:Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " | |
3642 | "entry exists and has not changed ", | |
3643 | ifp->vrf_id, | |
3644 | sticky ? "sticky " : "", | |
3645 | prefix_mac2str(macaddr, buf, | |
3646 | sizeof(buf)), | |
3647 | ifp->name, ifp->ifindex, vid, | |
3648 | zvni->vni); | |
3649 | return 0; | |
b6938a74 | 3650 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 3651 | add = 1; |
b6938a74 | 3652 | } else { |
b8ce75a5 MK |
3653 | add = 0; /* This is an update of local |
3654 | interface. */ | |
b6938a74 | 3655 | } |
421bb26a MK |
3656 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
3657 | /* | |
3658 | * If we have already learned the MAC as a remote sticky | |
3659 | * MAC, | |
3660 | * this is a operator error and we must log a warning | |
3661 | */ | |
8f4b98ee | 3662 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
3663 | zlog_warn( |
3664 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
3665 | prefix_mac2str(macaddr, buf, | |
3666 | sizeof(buf)), | |
3667 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
3668 | zvni->vni); | |
8f4b98ee MK |
3669 | return 0; |
3670 | } | |
d62a17ae | 3671 | } |
3672 | } | |
3673 | ||
3674 | /* Locate VRF corresponding to interface. */ | |
3675 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); | |
3676 | assert(zvrf); | |
3677 | ||
3678 | if (!mac) { | |
3679 | mac = zvni_mac_add(zvni, macaddr); | |
3680 | if (!mac) { | |
3681 | zlog_err("%u:Failed to add MAC %s intf %s(%u) VID %u", | |
3682 | ifp->vrf_id, | |
3683 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3684 | ifp->name, ifp->ifindex, vid); | |
3685 | return -1; | |
3686 | } | |
3687 | } | |
3688 | ||
3689 | /* Set "local" forwarding info. */ | |
3690 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 3691 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 3692 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 3693 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 3694 | mac->fwd_info.local.ifindex = ifp->ifindex; |
3695 | mac->fwd_info.local.vid = vid; | |
3696 | ||
3697 | if (sticky) | |
3698 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3699 | else | |
3700 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
3701 | ||
3702 | /* Inform BGP if required. */ | |
b6938a74 MK |
3703 | if (add) { |
3704 | zvni_process_neigh_on_local_mac_add(zvrf, zvni, mac); | |
3705 | return zvni_mac_send_add_to_client(zvrf, zvni->vni, macaddr, | |
3706 | sticky); | |
3707 | } | |
d62a17ae | 3708 | |
3709 | return 0; | |
2232a77c | 3710 | } |
13d60d35 | 3711 | |
3712 | /* | |
3713 | * Handle message from client to delete a remote VTEP for a VNI. | |
3714 | */ | |
d62a17ae | 3715 | int zebra_vxlan_remote_vtep_del(struct zserv *client, int sock, u_short length, |
3716 | struct zebra_vrf *zvrf) | |
3717 | { | |
3718 | struct stream *s; | |
3719 | u_short l = 0; | |
3720 | vni_t vni; | |
3721 | struct in_addr vtep_ip; | |
3722 | zebra_vni_t *zvni; | |
3723 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 3724 | struct interface *ifp; |
3725 | struct zebra_if *zif; | |
d62a17ae | 3726 | |
3727 | s = client->ibuf; | |
3728 | ||
3729 | while (l < length) { | |
3730 | /* Obtain each remote VTEP and process. */ | |
3731 | vni = (vni_t)stream_getl(s); | |
3732 | l += 4; | |
3733 | vtep_ip.s_addr = stream_get_ipv4(s); | |
3734 | l += IPV4_MAX_BYTELEN; | |
3735 | ||
3736 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3737 | zlog_debug("%u:Recv VTEP_DEL %s VNI %u from %s", | |
3738 | zvrf_id(zvrf), inet_ntoa(vtep_ip), vni, | |
3739 | zebra_route_string(client->proto)); | |
3740 | ||
3741 | /* Locate VNI hash entry - expected to exist. */ | |
3742 | zvni = zvni_lookup(zvrf, vni); | |
3743 | if (!zvni) { | |
3744 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3745 | zlog_debug( | |
3746 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
3747 | "VRF %d VNI %u", | |
3748 | zvrf_id(zvrf), vni); | |
3749 | continue; | |
3750 | } | |
3751 | ||
b5ebdc9b | 3752 | ifp = zvni->vxlan_if; |
3753 | if (!ifp) { | |
b682f6de | 3754 | zlog_err("VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
3755 | zvni->vni, zvni); | |
3756 | continue; | |
b5ebdc9b | 3757 | } |
3758 | zif = ifp->info; | |
3759 | ||
3760 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 3761 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 3762 | continue; |
3763 | ||
d62a17ae | 3764 | /* If the remote VTEP does not exist, there's nothing more to |
3765 | * do. | |
3766 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
3767 | * and | |
3768 | * then, the VTEP entry itself and remove it. | |
3769 | */ | |
3770 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
3771 | if (!zvtep) | |
3772 | continue; | |
3773 | ||
3774 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
3775 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
3776 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
3777 | zvni_vtep_del(zvni, zvtep); | |
3778 | } | |
3779 | ||
3780 | return 0; | |
13d60d35 | 3781 | } |
3782 | ||
3783 | /* | |
3784 | * Handle message from client to add a remote VTEP for a VNI. | |
3785 | */ | |
d62a17ae | 3786 | int zebra_vxlan_remote_vtep_add(struct zserv *client, int sock, u_short length, |
3787 | struct zebra_vrf *zvrf) | |
3788 | { | |
3789 | struct stream *s; | |
3790 | u_short l = 0; | |
3791 | vni_t vni; | |
3792 | struct in_addr vtep_ip; | |
3793 | zebra_vni_t *zvni; | |
b5ebdc9b | 3794 | struct interface *ifp; |
3795 | struct zebra_if *zif; | |
d62a17ae | 3796 | |
3797 | assert(EVPN_ENABLED(zvrf)); | |
3798 | ||
3799 | s = client->ibuf; | |
3800 | ||
3801 | while (l < length) { | |
3802 | /* Obtain each remote VTEP and process. */ | |
3803 | vni = (vni_t)stream_getl(s); | |
3804 | l += 4; | |
3805 | vtep_ip.s_addr = stream_get_ipv4(s); | |
3806 | l += IPV4_MAX_BYTELEN; | |
3807 | ||
3808 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3809 | zlog_debug("%u:Recv VTEP_ADD %s VNI %u from %s", | |
3810 | zvrf_id(zvrf), inet_ntoa(vtep_ip), vni, | |
3811 | zebra_route_string(client->proto)); | |
3812 | ||
3813 | /* Locate VNI hash entry - expected to exist. */ | |
3814 | zvni = zvni_lookup(zvrf, vni); | |
3815 | if (!zvni) { | |
3816 | zlog_err( | |
3817 | "Failed to locate VNI hash upon remote VTEP ADD, VRF %d VNI %u", | |
3818 | zvrf_id(zvrf), vni); | |
3819 | continue; | |
3820 | } | |
b5ebdc9b | 3821 | |
3822 | ifp = zvni->vxlan_if; | |
3823 | if (!ifp) { | |
d62a17ae | 3824 | zlog_err( |
3825 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
3826 | zvni->vni, zvni); | |
3827 | continue; | |
3828 | } | |
3829 | ||
b5ebdc9b | 3830 | zif = ifp->info; |
d62a17ae | 3831 | |
b5ebdc9b | 3832 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 3833 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 3834 | continue; |
3835 | ||
b682f6de | 3836 | /* If the remote VTEP already exists, |
3837 | there's nothing more to do. */ | |
b5ebdc9b | 3838 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 3839 | continue; |
3840 | ||
3841 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
3842 | zlog_err( | |
3843 | "Failed to add remote VTEP, VRF %d VNI %u zvni %p", | |
3844 | zvrf_id(zvrf), vni, zvni); | |
3845 | continue; | |
3846 | } | |
3847 | ||
3848 | zvni_vtep_install(zvni, &vtep_ip); | |
3849 | } | |
3850 | ||
3851 | return 0; | |
13d60d35 | 3852 | } |
3853 | ||
1a98c087 MK |
3854 | /* |
3855 | * Add/Del gateway macip to evpn | |
3856 | * g/w can be: | |
3857 | * 1. SVI interface on a vlan aware bridge | |
3858 | * 2. SVI interface on a vlan unaware bridge | |
3859 | * 3. vrr interface (MACVLAN) associated to a SVI | |
3860 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
3861 | */ | |
3862 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
3863 | int add) | |
3864 | { | |
3865 | struct ipaddr ip; | |
3866 | struct ethaddr macaddr; | |
3867 | zebra_vni_t *zvni = NULL; | |
3868 | struct zebra_vrf *zvrf = NULL; | |
3869 | ||
3870 | memset(&ip, 0, sizeof(struct ipaddr)); | |
3871 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
3872 | ||
297a21b6 MK |
3873 | zvrf = vrf_info_lookup(ifp->vrf_id); |
3874 | if (!zvrf) | |
3875 | return -1; | |
3876 | ||
3877 | if (!EVPN_ENABLED(zvrf)) | |
3878 | return 0; | |
3879 | ||
1a98c087 MK |
3880 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
3881 | struct interface *svi_if = | |
3882 | NULL; /* SVI corresponding to the MACVLAN */ | |
3883 | struct zebra_if *ifp_zif = | |
3884 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
3885 | struct zebra_if *svi_if_zif = | |
3886 | NULL; /* Zebra daemon specific info for SVI*/ | |
3887 | ||
3888 | ifp_zif = ifp->info; | |
3889 | if (!ifp_zif) | |
3890 | return -1; | |
3891 | ||
71349e03 MK |
3892 | /* |
3893 | * for a MACVLAN interface the link represents the svi_if | |
3894 | */ | |
3895 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
3896 | ifp_zif->link_ifindex); | |
1a98c087 MK |
3897 | if (!svi_if) { |
3898 | zlog_err("%u:MACVLAN %s(%u) without link information", | |
3899 | ifp->vrf_id, ifp->name, ifp->ifindex); | |
3900 | return -1; | |
3901 | } | |
3902 | ||
3903 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
3904 | /* |
3905 | * If it is a vlan aware bridge then the link gives the | |
3906 | * bridge information | |
3907 | */ | |
3908 | struct interface *svi_if_link = NULL; | |
3909 | ||
1a98c087 | 3910 | svi_if_zif = svi_if->info; |
71349e03 MK |
3911 | if (svi_if_zif) { |
3912 | svi_if_link = if_lookup_by_index_per_ns( | |
3913 | zebra_ns_lookup( | |
3914 | NS_DEFAULT), | |
3915 | svi_if_zif->link_ifindex); | |
3916 | zvni = zvni_map_svi(svi_if, svi_if_link); | |
3917 | } | |
1a98c087 | 3918 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
3919 | /* |
3920 | * If it is a vlan unaware bridge then svi is the bridge | |
3921 | * itself | |
3922 | */ | |
1a98c087 MK |
3923 | zvni = zvni_map_svi(svi_if, svi_if); |
3924 | } | |
3925 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
3926 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
3927 | NULL; /* Zebra daemon specific info for SVI */ |
3928 | struct interface *svi_if_link = | |
3929 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
3930 | |
3931 | svi_if_zif = ifp->info; | |
71349e03 MK |
3932 | svi_if_link = |
3933 | if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
3934 | svi_if_zif->link_ifindex); | |
3935 | if (svi_if_zif && svi_if_link) | |
3936 | zvni = zvni_map_svi(ifp, svi_if_link); | |
1a98c087 MK |
3937 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
3938 | zvni = zvni_map_svi(ifp, ifp); | |
3939 | } | |
3940 | ||
3941 | if (!zvni) | |
3942 | return 0; | |
3943 | ||
3944 | if (!zvni->vxlan_if) { | |
3945 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
3946 | zvni->vni, zvni); | |
3947 | return -1; | |
3948 | } | |
3949 | ||
1a98c087 MK |
3950 | |
3951 | /* check if we are advertising gw macip routes */ | |
3952 | if (!advertise_gw_macip_enabled(zvrf, zvni)) | |
3953 | return 0; | |
3954 | ||
3955 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
3956 | ||
3957 | if (p->family == AF_INET) { | |
3958 | ip.ipa_type = IPADDR_V4; | |
3959 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
3960 | sizeof(struct in_addr)); | |
3961 | } else if (p->family == AF_INET6) { | |
3962 | ip.ipa_type = IPADDR_V6; | |
3963 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
3964 | sizeof(struct in6_addr)); | |
3965 | } | |
3966 | ||
3967 | ||
3968 | if (add) | |
3969 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
3970 | else | |
3971 | zvni_gw_macip_del(ifp, zvni, &ip); | |
3972 | ||
3973 | return 0; | |
3974 | } | |
3975 | ||
2232a77c | 3976 | /* |
3977 | * Handle SVI interface going down. At this point, this is a NOP since | |
3978 | * the kernel deletes the neighbor entries on this SVI (if any). | |
3979 | */ | |
d62a17ae | 3980 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 3981 | { |
d62a17ae | 3982 | return 0; |
2232a77c | 3983 | } |
3984 | ||
3985 | /* | |
3986 | * Handle SVI interface coming up. This may or may not be of interest, | |
3987 | * but if this is a SVI on a VxLAN bridge, we need to install any remote | |
3988 | * neighbor entries (which will be used for EVPN ARP suppression). | |
3989 | */ | |
d62a17ae | 3990 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 3991 | { |
d62a17ae | 3992 | zebra_vni_t *zvni; |
3993 | struct neigh_walk_ctx n_wctx; | |
2232a77c | 3994 | |
d62a17ae | 3995 | zvni = zvni_map_svi(ifp, link_if); |
3996 | if (!zvni) | |
3997 | return 0; | |
2232a77c | 3998 | |
d62a17ae | 3999 | if (!zvni->vxlan_if) { |
4000 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
4001 | zvni->vni, zvni); | |
4002 | return -1; | |
4003 | } | |
2232a77c | 4004 | |
d62a17ae | 4005 | if (IS_ZEBRA_DEBUG_VXLAN) |
4006 | zlog_debug("%u:SVI %s(%u) VNI %u is UP, installing neighbors", | |
4007 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni); | |
2232a77c | 4008 | |
d62a17ae | 4009 | /* Install any remote neighbors for this VNI. */ |
4010 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4011 | n_wctx.zvni = zvni; | |
4012 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, &n_wctx); | |
2232a77c | 4013 | |
d62a17ae | 4014 | return 0; |
2232a77c | 4015 | } |
4016 | ||
13d60d35 | 4017 | /* |
4018 | * Handle VxLAN interface down - update BGP if required, and do | |
4019 | * internal cleanup. | |
4020 | */ | |
d62a17ae | 4021 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 4022 | { |
d62a17ae | 4023 | struct zebra_if *zif; |
4024 | struct zebra_vrf *zvrf; | |
4025 | zebra_vni_t *zvni; | |
4026 | struct zebra_l2info_vxlan *vxl; | |
4027 | vni_t vni; | |
13d60d35 | 4028 | |
d62a17ae | 4029 | /* Locate VRF corresponding to interface. */ |
4030 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4031 | assert(zvrf); | |
13d60d35 | 4032 | |
d62a17ae | 4033 | /* If EVPN is not enabled, nothing further to be done. */ |
4034 | if (!EVPN_ENABLED(zvrf)) | |
4035 | return 0; | |
13d60d35 | 4036 | |
d62a17ae | 4037 | zif = ifp->info; |
4038 | assert(zif); | |
4039 | vxl = &zif->l2info.vxl; | |
4040 | vni = vxl->vni; | |
13d60d35 | 4041 | |
d62a17ae | 4042 | if (IS_ZEBRA_DEBUG_VXLAN) |
4043 | zlog_debug("%u:Intf %s(%u) VNI %u is DOWN", ifp->vrf_id, | |
4044 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 4045 | |
d62a17ae | 4046 | /* Locate hash entry; it is expected to exist. */ |
4047 | zvni = zvni_lookup(zvrf, vni); | |
4048 | if (!zvni) { | |
4049 | zlog_err( | |
4050 | "Failed to locate VNI hash at DOWN, VRF %d IF %s(%u) VNI %u", | |
4051 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4052 | return -1; | |
4053 | } | |
13d60d35 | 4054 | |
d62a17ae | 4055 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 4056 | |
d62a17ae | 4057 | /* Delete this VNI from BGP. */ |
4058 | zvni_send_del_to_client(zvrf, zvni->vni); | |
13d60d35 | 4059 | |
d62a17ae | 4060 | /* Free up all neighbors and MACs, if any. */ |
4061 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
4062 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 4063 | |
d62a17ae | 4064 | /* Free up all remote VTEPs, if any. */ |
4065 | zvni_vtep_del_all(zvni, 1); | |
13d60d35 | 4066 | |
d62a17ae | 4067 | return 0; |
13d60d35 | 4068 | } |
4069 | ||
4070 | /* | |
4071 | * Handle VxLAN interface up - update BGP if required. | |
4072 | */ | |
d62a17ae | 4073 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 4074 | { |
d62a17ae | 4075 | struct zebra_if *zif; |
4076 | struct zebra_vrf *zvrf; | |
4077 | zebra_vni_t *zvni; | |
4078 | struct zebra_l2info_vxlan *vxl; | |
4079 | vni_t vni; | |
13d60d35 | 4080 | |
d62a17ae | 4081 | /* Locate VRF corresponding to interface. */ |
4082 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4083 | assert(zvrf); | |
13d60d35 | 4084 | |
d62a17ae | 4085 | /* If EVPN is not enabled, nothing further to be done. */ |
4086 | if (!EVPN_ENABLED(zvrf)) | |
4087 | return 0; | |
13d60d35 | 4088 | |
d62a17ae | 4089 | zif = ifp->info; |
4090 | assert(zif); | |
4091 | vxl = &zif->l2info.vxl; | |
4092 | vni = vxl->vni; | |
13d60d35 | 4093 | |
d62a17ae | 4094 | if (IS_ZEBRA_DEBUG_VXLAN) |
4095 | zlog_debug("%u:Intf %s(%u) VNI %u is UP", ifp->vrf_id, | |
4096 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 4097 | |
d62a17ae | 4098 | /* Locate hash entry; it is expected to exist. */ |
4099 | zvni = zvni_lookup(zvrf, vni); | |
4100 | if (!zvni) { | |
4101 | zlog_err( | |
4102 | "Failed to locate VNI hash at UP, VRF %d IF %s(%u) VNI %u", | |
4103 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4104 | return -1; | |
4105 | } | |
13d60d35 | 4106 | |
d62a17ae | 4107 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 4108 | |
d62a17ae | 4109 | /* If part of a bridge, inform BGP about this VNI. */ |
4110 | /* Also, read and populate local MACs and neighbors. */ | |
4111 | if (zif->brslave_info.br_if) { | |
4112 | zvni_send_add_to_client(zvrf, zvni); | |
4113 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4114 | } | |
13d60d35 | 4115 | |
d62a17ae | 4116 | return 0; |
13d60d35 | 4117 | } |
4118 | ||
4119 | /* | |
4120 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
4121 | * and update BGP, if required. | |
4122 | */ | |
d62a17ae | 4123 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 4124 | { |
d62a17ae | 4125 | struct zebra_if *zif; |
4126 | struct zebra_vrf *zvrf; | |
4127 | zebra_vni_t *zvni; | |
4128 | struct zebra_l2info_vxlan *vxl; | |
4129 | vni_t vni; | |
13d60d35 | 4130 | |
d62a17ae | 4131 | /* Locate VRF corresponding to interface. */ |
4132 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4133 | assert(zvrf); | |
13d60d35 | 4134 | |
d62a17ae | 4135 | /* If EVPN is not enabled, nothing further to be done. */ |
4136 | if (!EVPN_ENABLED(zvrf)) | |
4137 | return 0; | |
13d60d35 | 4138 | |
d62a17ae | 4139 | zif = ifp->info; |
4140 | assert(zif); | |
4141 | vxl = &zif->l2info.vxl; | |
4142 | vni = vxl->vni; | |
13d60d35 | 4143 | |
d62a17ae | 4144 | if (IS_ZEBRA_DEBUG_VXLAN) |
4145 | zlog_debug("%u:Del VNI %u intf %s(%u)", ifp->vrf_id, vni, | |
4146 | ifp->name, ifp->ifindex); | |
13d60d35 | 4147 | |
d62a17ae | 4148 | /* Locate hash entry; it is expected to exist. */ |
4149 | zvni = zvni_lookup(zvrf, vni); | |
4150 | if (!zvni) { | |
4151 | zlog_err( | |
4152 | "Failed to locate VNI hash at del, VRF %d IF %s(%u) VNI %u", | |
4153 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4154 | return 0; | |
4155 | } | |
13d60d35 | 4156 | |
d62a17ae | 4157 | /* Delete VNI from BGP. */ |
4158 | zvni_send_del_to_client(zvrf, zvni->vni); | |
13d60d35 | 4159 | |
d62a17ae | 4160 | /* Free up all neighbors and MAC, if any. */ |
4161 | zvni_neigh_del_all(zvrf, zvni, 0, 0, DEL_ALL_NEIGH); | |
4162 | zvni_mac_del_all(zvrf, zvni, 0, 0, DEL_ALL_MAC); | |
2232a77c | 4163 | |
d62a17ae | 4164 | /* Free up all remote VTEPs, if any. */ |
4165 | zvni_vtep_del_all(zvni, 0); | |
13d60d35 | 4166 | |
d62a17ae | 4167 | /* Delete the hash entry. */ |
4168 | if (zvni_del(zvrf, zvni)) { | |
4169 | zlog_err("Failed to del VNI hash %p, VRF %d IF %s(%u) VNI %u", | |
4170 | zvni, ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni); | |
4171 | return -1; | |
4172 | } | |
13d60d35 | 4173 | |
d62a17ae | 4174 | return 0; |
13d60d35 | 4175 | } |
4176 | ||
4177 | /* | |
4178 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
4179 | */ | |
d62a17ae | 4180 | int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags) |
4181 | { | |
4182 | struct zebra_if *zif; | |
4183 | struct zebra_vrf *zvrf; | |
4184 | zebra_vni_t *zvni; | |
4185 | struct zebra_l2info_vxlan *vxl; | |
4186 | vni_t vni; | |
4187 | ||
4188 | /* Locate VRF corresponding to interface. */ | |
4189 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4190 | assert(zvrf); | |
4191 | ||
4192 | /* If EVPN is not enabled, nothing further to be done. */ | |
4193 | if (!EVPN_ENABLED(zvrf)) | |
4194 | return 0; | |
4195 | ||
4196 | zif = ifp->info; | |
4197 | assert(zif); | |
4198 | vxl = &zif->l2info.vxl; | |
4199 | vni = vxl->vni; | |
4200 | ||
4201 | /* Update VNI hash. */ | |
4202 | zvni = zvni_lookup(zvrf, vni); | |
4203 | if (!zvni) { | |
4204 | zlog_err( | |
4205 | "Failed to find VNI hash on update, VRF %d IF %s(%u) VNI %u", | |
4206 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4207 | return -1; | |
4208 | } | |
4209 | ||
4210 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4211 | zlog_debug( | |
4212 | "%u:Update VNI %u intf %s(%u) VLAN %u local IP %s " | |
4213 | "master %u chg 0x%x", | |
4214 | ifp->vrf_id, vni, ifp->name, ifp->ifindex, | |
4215 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
4216 | zif->brslave_info.bridge_ifindex, chgflags); | |
4217 | ||
af026ae4 | 4218 | /* Removed from bridge? Cleanup and return */ |
d62a17ae | 4219 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) |
4220 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
4221 | /* Delete from client, remove all remote VTEPs */ | |
4222 | /* Also, free up all MACs and neighbors. */ | |
4223 | zvni_send_del_to_client(zvrf, zvni->vni); | |
4224 | zvni_neigh_del_all(zvrf, zvni, 1, 0, DEL_ALL_NEIGH); | |
4225 | zvni_mac_del_all(zvrf, zvni, 1, 0, DEL_ALL_MAC); | |
4226 | zvni_vtep_del_all(zvni, 1); | |
af026ae4 | 4227 | return 0; |
4228 | } | |
4229 | ||
4230 | /* Handle other changes. */ | |
4231 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
d62a17ae | 4232 | /* Remove all existing local neighbors and MACs for this VNI |
4233 | * (including from BGP) | |
4234 | */ | |
4235 | zvni_neigh_del_all(zvrf, zvni, 0, 1, DEL_LOCAL_MAC); | |
4236 | zvni_mac_del_all(zvrf, zvni, 0, 1, DEL_LOCAL_MAC); | |
4237 | } | |
4238 | ||
4239 | zvni->local_vtep_ip = vxl->vtep_ip; | |
4240 | zvni->vxlan_if = ifp; | |
4241 | ||
4242 | /* Take further actions needed. Note that if we are here, there is a | |
4243 | * change of interest. | |
4244 | */ | |
4245 | /* If down or not mapped to a bridge, we're done. */ | |
4246 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4247 | return 0; | |
4248 | ||
4249 | /* Inform BGP, if there is a change of interest. */ | |
4250 | if (chgflags | |
4251 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
4252 | zvni_send_add_to_client(zvrf, zvni); | |
4253 | ||
4254 | /* If there is a valid new master or a VLAN mapping change, read and | |
4255 | * populate local MACs and neighbors. Also, reinstall any remote MACs | |
4256 | * and neighbors for this VNI (based on new VLAN). | |
4257 | */ | |
4258 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
4259 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4260 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
4261 | struct mac_walk_ctx m_wctx; | |
4262 | struct neigh_walk_ctx n_wctx; | |
4263 | ||
4264 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
4265 | ||
4266 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
4267 | m_wctx.zvni = zvni; | |
4268 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, &m_wctx); | |
4269 | ||
4270 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4271 | n_wctx.zvni = zvni; | |
4272 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
4273 | &n_wctx); | |
4274 | } | |
4275 | ||
4276 | return 0; | |
13d60d35 | 4277 | } |
4278 | ||
4279 | /* | |
4280 | * Handle VxLAN interface add. | |
4281 | */ | |
d62a17ae | 4282 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 4283 | { |
d62a17ae | 4284 | struct zebra_if *zif; |
4285 | struct zebra_vrf *zvrf; | |
4286 | zebra_vni_t *zvni; | |
4287 | struct zebra_l2info_vxlan *vxl; | |
4288 | vni_t vni; | |
13d60d35 | 4289 | |
d62a17ae | 4290 | /* Locate VRF corresponding to interface. */ |
4291 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
4292 | assert(zvrf); | |
13d60d35 | 4293 | |
d62a17ae | 4294 | /* If EVPN is not enabled, nothing further to be done. */ |
4295 | if (!EVPN_ENABLED(zvrf)) | |
4296 | return 0; | |
13d60d35 | 4297 | |
d62a17ae | 4298 | zif = ifp->info; |
4299 | assert(zif); | |
4300 | vxl = &zif->l2info.vxl; | |
4301 | vni = vxl->vni; | |
13d60d35 | 4302 | |
d62a17ae | 4303 | if (IS_ZEBRA_DEBUG_VXLAN) |
4304 | zlog_debug( | |
4305 | "%u:Add VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
4306 | ifp->vrf_id, vni, ifp->name, ifp->ifindex, | |
4307 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
4308 | zif->brslave_info.bridge_ifindex); | |
13d60d35 | 4309 | |
d62a17ae | 4310 | /* Create or update VNI hash. */ |
4311 | zvni = zvni_lookup(zvrf, vni); | |
4312 | if (!zvni) { | |
4313 | zvni = zvni_add(zvrf, vni); | |
4314 | if (!zvni) { | |
4315 | zlog_err( | |
4316 | "Failed to add VNI hash, VRF %d IF %s(%u) VNI %u", | |
4317 | ifp->vrf_id, ifp->name, ifp->ifindex, vni); | |
4318 | return -1; | |
4319 | } | |
4320 | } | |
13d60d35 | 4321 | |
d62a17ae | 4322 | zvni->local_vtep_ip = vxl->vtep_ip; |
4323 | zvni->vxlan_if = ifp; | |
13d60d35 | 4324 | |
d62a17ae | 4325 | /* If down or not mapped to a bridge, we're done. */ |
4326 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
4327 | return 0; | |
13d60d35 | 4328 | |
d62a17ae | 4329 | /* Inform BGP */ |
4330 | zvni_send_add_to_client(zvrf, zvni); | |
13d60d35 | 4331 | |
d62a17ae | 4332 | /* Read and populate local MACs and neighbors */ |
4333 | zvni_read_mac_neigh(zvrf, zvni, ifp); | |
2232a77c | 4334 | |
d62a17ae | 4335 | return 0; |
13d60d35 | 4336 | } |
4337 | ||
1a98c087 MK |
4338 | /* |
4339 | * Handle message from client to enable/disable advertisement of g/w macip | |
4340 | * routes | |
4341 | */ | |
4342 | int zebra_vxlan_advertise_gw_macip(struct zserv *client, int sock, | |
4343 | u_short length, struct zebra_vrf *zvrf) | |
4344 | { | |
4345 | struct stream *s; | |
4346 | int advertise; | |
4347 | vni_t vni = 0; | |
4348 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 4349 | struct interface *ifp = NULL; |
1a98c087 MK |
4350 | |
4351 | s = client->ibuf; | |
4352 | advertise = stream_getc(s); | |
4353 | vni = stream_get3(s); | |
4354 | ||
4355 | if (!vni) { | |
4356 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4357 | zlog_debug("%u:EVPN gateway macip Adv %s, currently %s", | |
4358 | zvrf_id(zvrf), | |
4359 | advertise ? "enabled" : "disabled", | |
4360 | advertise_gw_macip_enabled(zvrf, NULL) | |
4361 | ? "enabled" | |
4362 | : "disabled"); | |
4363 | ||
4364 | if (zvrf->advertise_gw_macip == advertise) | |
4365 | return 0; | |
4366 | ||
4367 | zvrf->advertise_gw_macip = advertise; | |
4368 | ||
4369 | if (advertise_gw_macip_enabled(zvrf, zvni)) | |
4370 | hash_iterate(zvrf->vni_table, | |
4371 | zvni_gw_macip_add_for_vni_hash, zvrf); | |
4372 | else | |
4373 | hash_iterate(zvrf->vni_table, | |
4374 | zvni_gw_macip_del_for_vni_hash, zvrf); | |
4375 | ||
4376 | } else { | |
4377 | struct zebra_if *zif = NULL; | |
4378 | struct zebra_l2info_vxlan zl2_info; | |
4379 | struct interface *vlan_if = NULL; | |
4380 | struct interface *vrr_if = NULL; | |
4381 | ||
4382 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4383 | zlog_debug( | |
4384 | "%u:EVPN gateway macip Adv %s on VNI %d , currently %s", | |
4385 | zvrf_id(zvrf), | |
4386 | advertise ? "enabled" : "disabled", vni, | |
4387 | advertise_gw_macip_enabled(zvrf, zvni) | |
4388 | ? "enabled" | |
4389 | : "disabled"); | |
4390 | ||
4391 | zvni = zvni_lookup(zvrf, vni); | |
4392 | if (!zvni) | |
4393 | return 0; | |
4394 | ||
4395 | if (zvni->advertise_gw_macip == advertise) | |
4396 | return 0; | |
4397 | ||
4398 | zvni->advertise_gw_macip = advertise; | |
4399 | ||
b5ebdc9b | 4400 | ifp = zvni->vxlan_if; |
4401 | if (!ifp) | |
4402 | return 0; | |
4403 | ||
4404 | zif = ifp->info; | |
4405 | ||
4406 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4407 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 4408 | return 0; |
4409 | ||
1a98c087 MK |
4410 | zl2_info = zif->l2info.vxl; |
4411 | ||
4412 | vlan_if = zvni_map_to_svi(zvrf, zl2_info.access_vlan, | |
4413 | zif->brslave_info.br_if); | |
4414 | if (!vlan_if) | |
4415 | return 0; | |
4416 | ||
4417 | if (advertise_gw_macip_enabled(zvrf, zvni)) { | |
4418 | /* Add primary SVI MAC-IP */ | |
4419 | zvni_add_macip_for_intf(vlan_if, zvni); | |
4420 | ||
4421 | /* Add VRR MAC-IP - if any*/ | |
4422 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
4423 | if (vrr_if) | |
4424 | zvni_add_macip_for_intf(vrr_if, zvni); | |
4425 | } else { | |
4426 | /* Del primary MAC-IP */ | |
4427 | zvni_del_macip_for_intf(vlan_if, zvni); | |
4428 | ||
4429 | /* Del VRR MAC-IP - if any*/ | |
4430 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
4431 | if (vrr_if) | |
4432 | zvni_del_macip_for_intf(vrr_if, zvni); | |
4433 | } | |
4434 | } | |
4435 | ||
4436 | return 0; | |
4437 | } | |
4438 | ||
4439 | ||
13d60d35 | 4440 | /* |
4441 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
4442 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
4443 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
4444 | * uninstalled from the kernel. | |
4445 | */ | |
d62a17ae | 4446 | int zebra_vxlan_advertise_all_vni(struct zserv *client, int sock, |
4447 | u_short length, struct zebra_vrf *zvrf) | |
13d60d35 | 4448 | { |
d62a17ae | 4449 | struct stream *s; |
4450 | int advertise; | |
13d60d35 | 4451 | |
d62a17ae | 4452 | s = client->ibuf; |
4453 | advertise = stream_getc(s); | |
13d60d35 | 4454 | |
d62a17ae | 4455 | if (IS_ZEBRA_DEBUG_VXLAN) |
4456 | zlog_debug("%u:EVPN VNI Adv %s, currently %s", zvrf_id(zvrf), | |
4457 | advertise ? "enabled" : "disabled", | |
4458 | EVPN_ENABLED(zvrf) ? "enabled" : "disabled"); | |
13d60d35 | 4459 | |
d62a17ae | 4460 | if (zvrf->advertise_all_vni == advertise) |
4461 | return 0; | |
13d60d35 | 4462 | |
d62a17ae | 4463 | zvrf->advertise_all_vni = advertise; |
4464 | if (EVPN_ENABLED(zvrf)) { | |
4465 | /* Build VNI hash table and inform BGP. */ | |
4466 | zvni_build_hash_table(zvrf); | |
2232a77c | 4467 | |
1a98c087 MK |
4468 | /* Add all SVI (L3 GW) MACs to BGP*/ |
4469 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
4470 | zvrf); | |
4471 | ||
d62a17ae | 4472 | /* Read the MAC FDB */ |
4473 | macfdb_read(zvrf->zns); | |
2232a77c | 4474 | |
d62a17ae | 4475 | /* Read neighbors */ |
4476 | neigh_read(zvrf->zns); | |
4477 | } else { | |
4478 | /* Cleanup VTEPs for all VNIs - uninstall from | |
4479 | * kernel and free entries. | |
4480 | */ | |
4481 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
4482 | } | |
13d60d35 | 4483 | |
d62a17ae | 4484 | return 0; |
13d60d35 | 4485 | } |
4486 | ||
4487 | /* | |
4488 | * Allocate VNI hash table for this VRF and do other initialization. | |
4489 | * NOTE: Currently supported only for default VRF. | |
4490 | */ | |
d62a17ae | 4491 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 4492 | { |
d62a17ae | 4493 | if (!zvrf) |
4494 | return; | |
4495 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
4496 | "Zebra VRF VNI Table"); | |
13d60d35 | 4497 | } |
4498 | ||
4499 | /* Close all VNI handling */ | |
d62a17ae | 4500 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 4501 | { |
d62a17ae | 4502 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 4503 | hash_free(zvrf->vni_table); |
13d60d35 | 4504 | } |