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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" | |
49 | ||
6134fd82 | 50 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 51 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 52 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 53 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 54 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
55 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 56 | |
57 | /* definitions */ | |
58 | ||
59 | ||
60 | /* static function declarations */ | |
996c9314 LB |
61 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
62 | uint16_t cmd); | |
cd233079 | 63 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 64 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
65 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 66 | void **args); |
c0e519d3 MK |
67 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
68 | json_object *json); | |
316f4ca4 MK |
69 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
70 | json_object *json); | |
d62a17ae | 71 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
72 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
73 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
74 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
75 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 76 | |
996c9314 | 77 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
1a98c087 | 78 | struct ipaddr *ip, u_char flags, |
d62a17ae | 79 | u_int16_t cmd); |
80 | static unsigned int neigh_hash_keymake(void *p); | |
81 | static int neigh_cmp(const void *p1, const void *p2); | |
82 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
83 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
84 | struct ethaddr *mac); | |
d62a17ae | 85 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
86 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg); | |
87 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
88 | struct in_addr *r_vtep_ip); | |
996c9314 LB |
89 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
90 | u_int32_t flags); | |
d62a17ae | 91 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 92 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
1a98c087 | 93 | struct ethaddr *macaddr, u_char flags); |
996c9314 | 94 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
1a98c087 | 95 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 96 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
97 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 98 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
99 | struct interface *br_if); |
100 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 101 | |
b7cfce93 | 102 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 103 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
104 | struct ipaddr *ip); |
105 | static void *zl3vni_nh_alloc(void *p); | |
106 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
107 | struct ipaddr *vtep_ip, | |
108 | struct ethaddr *rmac); | |
109 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
110 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 111 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
112 | |
113 | /* l3-vni rmac related APIs */ | |
114 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
2dbad57f | 115 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
116 | struct ethaddr *rmac); |
117 | static void *zl3vni_rmac_alloc(void *p); | |
118 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
119 | struct ethaddr *rmac); | |
120 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
121 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 122 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
123 | |
124 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
125 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
126 | static void *zl3vni_alloc(void *p); | |
127 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
128 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
129 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
130 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
131 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
132 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
133 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
134 | ||
d62a17ae | 135 | static unsigned int mac_hash_keymake(void *p); |
136 | static int mac_cmp(const void *p1, const void *p2); | |
137 | static void *zvni_mac_alloc(void *p); | |
138 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
139 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
140 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg); | |
141 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
142 | struct in_addr *r_vtep_ip); | |
996c9314 LB |
143 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
144 | u_int32_t flags); | |
d62a17ae | 145 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 LB |
146 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
147 | u_char flags); | |
148 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, | |
149 | u_char flags); | |
d62a17ae | 150 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
151 | struct interface *br_if, vlanid_t vid); | |
152 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
153 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
154 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
155 | ||
156 | static unsigned int vni_hash_keymake(void *p); | |
157 | static int vni_hash_cmp(const void *p1, const void *p2); | |
158 | static void *zvni_alloc(void *p); | |
2853fed6 | 159 | static zebra_vni_t *zvni_lookup(vni_t vni); |
160 | static zebra_vni_t *zvni_add(vni_t vni); | |
161 | static int zvni_del(zebra_vni_t *zvni); | |
162 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
163 | static int zvni_send_del_to_client(vni_t vni); | |
164 | static void zvni_build_hash_table(); | |
d62a17ae | 165 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
166 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
167 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
168 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
169 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
170 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
171 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
172 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
173 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
174 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
175 | struct ethaddr *macaddr, struct ipaddr *ip); | |
176 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
177 | struct ipaddr *ip); | |
178 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 179 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
180 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
181 | int uninstall); | |
13d60d35 | 182 | |
183 | /* Private functions */ | |
184 | ||
790f8dc5 | 185 | /* |
186 | * Return number of valid MACs in a VNI's MAC hash table - all | |
187 | * remote MACs and non-internal (auto) local MACs count. | |
188 | */ | |
189 | static u_int32_t num_valid_macs(zebra_vni_t *zvni) | |
190 | { | |
191 | unsigned int i; | |
192 | u_int32_t num_macs = 0; | |
193 | struct hash *hash; | |
194 | struct hash_backet *hb; | |
195 | zebra_mac_t *mac; | |
196 | ||
197 | hash = zvni->mac_table; | |
198 | if (!hash) | |
199 | return num_macs; | |
200 | for (i = 0; i < hash->size; i++) { | |
201 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
202 | mac = (zebra_mac_t *)hb->data; | |
203 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
204 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
205 | num_macs++; | |
206 | } | |
207 | } | |
208 | ||
209 | return num_macs; | |
210 | } | |
211 | ||
2853fed6 | 212 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 213 | { |
2853fed6 | 214 | struct zebra_vrf *zvrf; |
215 | ||
216 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
217 | if (zvrf && zvrf->advertise_gw_macip) |
218 | return 1; | |
219 | ||
220 | if (zvni && zvni->advertise_gw_macip) | |
221 | return 1; | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
cec2e17d | 226 | /* |
227 | * Helper function to determine maximum width of neighbor IP address for | |
228 | * display - just because we're dealing with IPv6 addresses that can | |
229 | * widely vary. | |
230 | */ | |
d62a17ae | 231 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 232 | { |
d62a17ae | 233 | zebra_neigh_t *n; |
234 | char buf[INET6_ADDRSTRLEN]; | |
235 | struct neigh_walk_ctx *wctx = ctxt; | |
236 | int width; | |
cec2e17d | 237 | |
d62a17ae | 238 | n = (zebra_neigh_t *)backet->data; |
239 | if (!n) | |
240 | return; | |
cec2e17d | 241 | |
d62a17ae | 242 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
243 | if (width > wctx->addr_width) | |
244 | wctx->addr_width = width; | |
cec2e17d | 245 | } |
246 | ||
247 | /* | |
248 | * Print a specific neighbor entry. | |
249 | */ | |
cd233079 | 250 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 251 | { |
d62a17ae | 252 | struct vty *vty; |
253 | char buf1[ETHER_ADDR_STRLEN]; | |
254 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 255 | |
cd233079 CS |
256 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
257 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
258 | vty = (struct vty *)ctxt; | |
259 | if (json == NULL) { | |
260 | vty_out(vty, "IP: %s\n", | |
261 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
262 | vty_out(vty, " MAC: %s", | |
263 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
264 | } else { | |
265 | json_object_string_add(json, "ip", buf2); | |
266 | json_object_string_add(json, "mac", buf1); | |
267 | } | |
268 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 269 | if (json == NULL) { |
cd233079 CS |
270 | vty_out(vty, " Remote VTEP: %s", |
271 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 272 | } else |
cd233079 CS |
273 | json_object_string_add(json, "remoteVtep", |
274 | inet_ntoa(n->r_vtep_ip)); | |
275 | } | |
f51d8a27 MK |
276 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
277 | if (!json) { | |
278 | vty_out(vty, "\n"); | |
279 | vty_out(vty, " State: %s", | |
280 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
281 | : "Inactive"); | |
282 | } | |
283 | } | |
ead40654 MK |
284 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
285 | if (!json) | |
286 | vty_out(vty, " Default-gateway"); | |
287 | else | |
288 | json_object_boolean_true_add(json, "defaultGateway"); | |
289 | } | |
cd233079 CS |
290 | if (json == NULL) |
291 | vty_out(vty, "\n"); | |
cec2e17d | 292 | } |
293 | ||
294 | /* | |
295 | * Print neighbor hash entry - called for display of all neighbors. | |
296 | */ | |
d62a17ae | 297 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
298 | { | |
299 | struct vty *vty; | |
cd233079 | 300 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 301 | zebra_neigh_t *n; |
302 | char buf1[ETHER_ADDR_STRLEN]; | |
303 | char buf2[INET6_ADDRSTRLEN]; | |
304 | struct neigh_walk_ctx *wctx = ctxt; | |
305 | ||
306 | vty = wctx->vty; | |
cd233079 | 307 | json_vni = wctx->json; |
d62a17ae | 308 | n = (zebra_neigh_t *)backet->data; |
309 | if (!n) | |
310 | return; | |
311 | ||
cd233079 CS |
312 | if (json_vni) |
313 | json_row = json_object_new_object(); | |
314 | ||
d62a17ae | 315 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
316 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
317 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
318 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
319 | if (json_vni == NULL) { |
320 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
321 | buf2, "local", buf1); | |
322 | } else { | |
323 | json_object_string_add(json_row, "type", "local"); | |
324 | json_object_string_add(json_row, "mac", buf1); | |
325 | } | |
d62a17ae | 326 | wctx->count++; |
327 | } else { | |
328 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
329 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
330 | if (json_vni == NULL) { |
331 | if (wctx->count == 0) | |
332 | vty_out(vty, | |
333 | "%*s %-6s %-17s %-21s\n", | |
334 | -wctx->addr_width, | |
335 | "Neighbor", "Type", | |
336 | "MAC", "Remote VTEP"); | |
d62a17ae | 337 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
338 | -wctx->addr_width, buf2, |
339 | "remote", buf1, | |
340 | inet_ntoa(n->r_vtep_ip)); | |
341 | } else { | |
342 | json_object_string_add(json_row, "type", | |
343 | "remote"); | |
344 | json_object_string_add(json_row, "mac", | |
345 | buf1); | |
346 | json_object_string_add( | |
347 | json_row, "remoteVtep", | |
348 | inet_ntoa(n->r_vtep_ip)); | |
349 | } | |
350 | wctx->count++; | |
351 | } | |
352 | } else { | |
353 | if (json_vni == NULL) { | |
d62a17ae | 354 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
355 | -wctx->addr_width, buf2, "remote", buf1, | |
356 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
357 | } else { |
358 | json_object_string_add(json_row, "type", | |
359 | "remote"); | |
360 | json_object_string_add(json_row, "mac", buf1); | |
361 | json_object_string_add(json_row, "remoteVtep", | |
362 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 363 | } |
d62a17ae | 364 | wctx->count++; |
365 | } | |
366 | } | |
cd233079 CS |
367 | |
368 | if (json_vni) | |
369 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 370 | } |
371 | ||
372 | /* | |
373 | * Print neighbors for all VNI. | |
374 | */ | |
d62a17ae | 375 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 376 | void **args) |
cec2e17d | 377 | { |
d62a17ae | 378 | struct vty *vty; |
cd233079 | 379 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 380 | zebra_vni_t *zvni; |
381 | u_int32_t num_neigh; | |
382 | struct neigh_walk_ctx wctx; | |
cd233079 CS |
383 | char vni_str[VNI_STR_LEN]; |
384 | ||
385 | vty = (struct vty *)args[0]; | |
386 | json = (json_object *)args[1]; | |
cec2e17d | 387 | |
d62a17ae | 388 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
389 | if (!zvni) { |
390 | if (json) | |
391 | vty_out(vty, "{}\n"); | |
d62a17ae | 392 | return; |
cd233079 | 393 | } |
d62a17ae | 394 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 CS |
395 | if (json == NULL) |
396 | vty_out(vty, | |
397 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
398 | zvni->vni, num_neigh); | |
399 | else { | |
400 | json_vni = json_object_new_object(); | |
401 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
402 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
403 | } | |
404 | if (!num_neigh) { | |
405 | if (json) | |
406 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 407 | return; |
cd233079 | 408 | } |
cec2e17d | 409 | |
d62a17ae | 410 | /* Since we have IPv6 addresses to deal with which can vary widely in |
411 | * size, we try to be a bit more elegant in display by first computing | |
412 | * the maximum width. | |
413 | */ | |
414 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
415 | wctx.zvni = zvni; | |
416 | wctx.vty = vty; | |
417 | wctx.addr_width = 15; | |
cd233079 | 418 | wctx.json = json_vni; |
d62a17ae | 419 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 420 | |
cd233079 CS |
421 | if (json == NULL) |
422 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
423 | "Type", "MAC", "Remote VTEP"); | |
d62a17ae | 424 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
425 | |
426 | if (json) | |
427 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 428 | } |
429 | ||
9aa741ea | 430 | /* print a specific next hop for an l3vni */ |
996c9314 | 431 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 432 | json_object *json) |
9aa741ea MK |
433 | { |
434 | char buf1[ETHER_ADDR_STRLEN]; | |
435 | char buf2[INET6_ADDRSTRLEN]; | |
436 | struct listnode *node = NULL; | |
437 | struct prefix *p = NULL; | |
c0e519d3 | 438 | json_object *json_hosts = NULL; |
9aa741ea | 439 | |
c0e519d3 MK |
440 | if (!json) { |
441 | vty_out(vty, "Ip: %s\n", | |
442 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
443 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 444 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
4cce389e MK |
445 | vty_out(vty, " Refcount: %d\n", listcount(n->host_list)); |
446 | vty_out(vty, " Prefixes:\n"); | |
c0e519d3 MK |
447 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) |
448 | vty_out(vty, " %s\n", | |
449 | prefix2str(p, buf2, sizeof(buf2))); | |
450 | } else { | |
451 | json_hosts = json_object_new_array(); | |
996c9314 LB |
452 | json_object_string_add( |
453 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
454 | json_object_string_add( | |
455 | json, "routerMac", | |
456 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
4cce389e | 457 | json_object_int_add(json, "refCount", listcount(n->host_list)); |
c0e519d3 MK |
458 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) |
459 | json_object_array_add(json_hosts, | |
996c9314 LB |
460 | json_object_new_string(prefix2str( |
461 | p, buf2, sizeof(buf2)))); | |
4cce389e | 462 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 463 | } |
9aa741ea MK |
464 | } |
465 | ||
466 | /* Print a specific RMAC entry */ | |
996c9314 | 467 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 468 | json_object *json) |
9aa741ea MK |
469 | { |
470 | char buf1[ETHER_ADDR_STRLEN]; | |
471 | char buf2[PREFIX_STRLEN]; | |
472 | struct listnode *node = NULL; | |
473 | struct prefix *p = NULL; | |
316f4ca4 | 474 | json_object *json_hosts = NULL; |
9aa741ea | 475 | |
316f4ca4 MK |
476 | if (!json) { |
477 | vty_out(vty, "MAC: %s\n", | |
478 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
479 | vty_out(vty, " Remote VTEP: %s\n", | |
480 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
4cce389e MK |
481 | vty_out(vty, " Refcount: %d\n", listcount(zrmac->host_list)); |
482 | vty_out(vty, " Prefixes:\n"); | |
316f4ca4 MK |
483 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) |
484 | vty_out(vty, " %s\n", | |
485 | prefix2str(p, buf2, sizeof(buf2))); | |
486 | } else { | |
487 | json_hosts = json_object_new_array(); | |
996c9314 LB |
488 | json_object_string_add( |
489 | json, "routerMac", | |
490 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 491 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 492 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
4cce389e MK |
493 | json_object_int_add(json, "refCount", |
494 | listcount(zrmac->host_list)); | |
316f4ca4 MK |
495 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) |
496 | json_object_array_add(json_hosts, | |
996c9314 LB |
497 | json_object_new_string(prefix2str( |
498 | p, buf2, sizeof(buf2)))); | |
4cce389e | 499 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 500 | } |
9aa741ea MK |
501 | } |
502 | ||
cec2e17d | 503 | /* |
504 | * Print a specific MAC entry. | |
505 | */ | |
d62a17ae | 506 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
507 | { | |
508 | struct vty *vty; | |
b6938a74 MK |
509 | zebra_neigh_t *n = NULL; |
510 | struct listnode *node = NULL; | |
d62a17ae | 511 | char buf1[20]; |
b6938a74 | 512 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 513 | |
514 | vty = (struct vty *)ctxt; | |
515 | vty_out(vty, "MAC: %s", | |
516 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
517 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
518 | struct zebra_ns *zns; | |
519 | struct interface *ifp; | |
520 | ifindex_t ifindex; | |
521 | ||
522 | ifindex = mac->fwd_info.local.ifindex; | |
523 | zns = zebra_ns_lookup(NS_DEFAULT); | |
524 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
525 | if (!ifp) // unexpected | |
526 | return; | |
527 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
528 | if (mac->fwd_info.local.vid) | |
529 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 530 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 531 | vty_out(vty, " Remote VTEP: %s", |
532 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
533 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
534 | vty_out(vty, " Auto Mac "); | |
535 | } | |
b6938a74 | 536 | |
ead40654 MK |
537 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
538 | vty_out(vty, " Sticky Mac "); | |
539 | ||
540 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
541 | vty_out(vty, " Default-gateway Mac "); | |
542 | ||
0a97666d | 543 | vty_out(vty, "\n"); |
b6938a74 MK |
544 | /* print all the associated neigh */ |
545 | vty_out(vty, " Neighbors:\n"); | |
546 | if (!listcount(mac->neigh_list)) | |
547 | vty_out(vty, " No Neighbors\n"); | |
548 | else { | |
549 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
550 | vty_out(vty, " %s %s\n", | |
551 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
552 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
553 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
554 | ? "Active" | |
555 | : "Inactive") | |
556 | : ""); | |
557 | } | |
d62a17ae | 558 | } |
b6938a74 | 559 | |
d62a17ae | 560 | vty_out(vty, "\n"); |
cec2e17d | 561 | } |
562 | ||
563 | /* | |
564 | * Print MAC hash entry - called for display of all MACs. | |
565 | */ | |
d62a17ae | 566 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
567 | { | |
568 | struct vty *vty; | |
cd233079 | 569 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 570 | zebra_mac_t *mac; |
571 | char buf1[20]; | |
572 | struct mac_walk_ctx *wctx = ctxt; | |
573 | ||
574 | vty = wctx->vty; | |
cd233079 | 575 | json_mac_hdr = wctx->json; |
d62a17ae | 576 | mac = (zebra_mac_t *)backet->data; |
577 | if (!mac) | |
578 | return; | |
579 | ||
580 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
581 | |
582 | if (json_mac_hdr) | |
583 | json_mac = json_object_new_object(); | |
584 | ||
d62a17ae | 585 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
586 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
587 | struct zebra_ns *zns; | |
588 | ifindex_t ifindex; | |
589 | struct interface *ifp; | |
590 | vlanid_t vid; | |
591 | ||
592 | zns = zebra_ns_lookup(NS_DEFAULT); | |
593 | ifindex = mac->fwd_info.local.ifindex; | |
594 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
595 | if (!ifp) // unexpected | |
596 | return; | |
597 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
598 | if (json_mac_hdr == NULL) |
599 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
600 | ifp->name); | |
601 | else { | |
602 | json_object_string_add(json_mac, "type", "local"); | |
603 | json_object_string_add(json_mac, "intf", ifp->name); | |
604 | } | |
605 | if (vid) { | |
606 | if (json_mac_hdr == NULL) | |
607 | vty_out(vty, " %-5u", vid); | |
608 | else | |
609 | json_object_int_add(json_mac, "vlan", vid); | |
610 | } | |
611 | if (json_mac_hdr == NULL) | |
612 | vty_out(vty, "\n"); | |
613 | else | |
614 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 615 | wctx->count++; |
b6938a74 | 616 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 617 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
618 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
619 | &wctx->r_vtep_ip)) { | |
620 | if (wctx->count == 0) { | |
cd233079 CS |
621 | if (json_mac_hdr == NULL) { |
622 | vty_out(vty, "\nVNI %u\n\n", | |
623 | wctx->zvni->vni); | |
624 | vty_out(vty, | |
625 | "%-17s %-6s %-21s %-5s\n", | |
626 | "MAC", "Type", | |
627 | "Intf/Remote VTEP", | |
628 | "VLAN"); | |
629 | } | |
630 | } | |
631 | if (json_mac_hdr == NULL) | |
632 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
633 | "remote", | |
634 | inet_ntoa(mac->fwd_info | |
635 | .r_vtep_ip)); | |
636 | else { | |
637 | json_object_string_add(json_mac, "type", | |
638 | "remote"); | |
639 | json_object_string_add( | |
640 | json_mac, "remoteVtep", | |
641 | inet_ntoa(mac->fwd_info | |
642 | .r_vtep_ip)); | |
643 | json_object_object_add(json_mac_hdr, | |
644 | buf1, json_mac); | |
d62a17ae | 645 | } |
d62a17ae | 646 | wctx->count++; |
647 | } | |
648 | } else { | |
cd233079 CS |
649 | if (json_mac_hdr == NULL) |
650 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
651 | "remote", | |
652 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
653 | else { | |
654 | json_object_string_add(json_mac, "type", | |
655 | "remote"); | |
656 | json_object_string_add( | |
657 | json_mac, "remoteVtep", | |
658 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
659 | json_object_object_add(json_mac_hdr, buf1, | |
660 | json_mac); | |
661 | } | |
d62a17ae | 662 | wctx->count++; |
663 | } | |
664 | } | |
cec2e17d | 665 | } |
666 | ||
667 | /* | |
668 | * Print MACs for all VNI. | |
669 | */ | |
d62a17ae | 670 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 671 | { |
d62a17ae | 672 | struct vty *vty; |
cd233079 CS |
673 | json_object *json = NULL, *json_vni = NULL; |
674 | json_object *json_mac = NULL; | |
d62a17ae | 675 | zebra_vni_t *zvni; |
676 | u_int32_t num_macs; | |
677 | struct mac_walk_ctx *wctx = ctxt; | |
cd233079 | 678 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 679 | |
d62a17ae | 680 | vty = (struct vty *)wctx->vty; |
cd233079 | 681 | json = (struct json_object *)wctx->json; |
cec2e17d | 682 | |
d62a17ae | 683 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
684 | if (!zvni) { |
685 | if (json) | |
686 | vty_out(vty, "{}\n"); | |
d62a17ae | 687 | return; |
cd233079 | 688 | } |
d62a17ae | 689 | wctx->zvni = zvni; |
cec2e17d | 690 | |
d62a17ae | 691 | /*We are iterating over a new VNI, set the count to 0*/ |
692 | wctx->count = 0; | |
cec2e17d | 693 | |
790f8dc5 | 694 | num_macs = num_valid_macs(zvni); |
d62a17ae | 695 | if (!num_macs) |
696 | return; | |
cd233079 CS |
697 | |
698 | if (json) { | |
699 | json_vni = json_object_new_object(); | |
700 | json_mac = json_object_new_object(); | |
701 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 702 | } |
cec2e17d | 703 | |
cd233079 CS |
704 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
705 | if (json == NULL) { | |
706 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
707 | zvni->vni, num_macs); | |
708 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
709 | "Intf/Remote VTEP", "VLAN"); | |
710 | } else | |
711 | json_object_int_add(json_vni, "numMacs", num_macs); | |
712 | } | |
713 | /* assign per-vni to wctx->json object to fill macs | |
714 | * under the vni. Re-assign primary json object to fill | |
715 | * next vni information. | |
716 | */ | |
717 | wctx->json = json_mac; | |
d62a17ae | 718 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
719 | wctx->json = json; |
720 | if (json) { | |
721 | if (wctx->count) | |
722 | json_object_object_add(json_vni, "macs", json_mac); | |
723 | json_object_object_add(json, vni_str, json_vni); | |
724 | } | |
cec2e17d | 725 | } |
726 | ||
996c9314 | 727 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
728 | { |
729 | struct nh_walk_ctx *wctx = NULL; | |
730 | struct vty *vty = NULL; | |
32798965 | 731 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
732 | struct json_object *json_nh = NULL; |
733 | zebra_neigh_t *n = NULL; | |
734 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 735 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
736 | |
737 | wctx = (struct nh_walk_ctx *)ctx; | |
738 | vty = wctx->vty; | |
32798965 MK |
739 | json_vni = wctx->json; |
740 | if (json_vni) | |
b7cfce93 MK |
741 | json_nh = json_object_new_object(); |
742 | n = (zebra_neigh_t *)backet->data; | |
743 | if (!n) | |
744 | return; | |
745 | ||
32798965 | 746 | if (!json_vni) { |
4cce389e | 747 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 748 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 749 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 750 | } else { |
4cce389e | 751 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 752 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
753 | json_object_string_add( |
754 | json_nh, "routerMac", | |
755 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
756 | json_object_object_add(json_vni, |
757 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
758 | json_nh); | |
b7cfce93 MK |
759 | } |
760 | } | |
761 | ||
2dbad57f | 762 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 763 | void **args) |
2dbad57f | 764 | { |
765 | struct vty *vty = NULL; | |
766 | json_object *json = NULL; | |
767 | json_object *json_vni = NULL; | |
2dbad57f | 768 | zebra_l3vni_t *zl3vni = NULL; |
769 | uint32_t num_nh = 0; | |
32798965 | 770 | struct nh_walk_ctx wctx; |
2dbad57f | 771 | char vni_str[VNI_STR_LEN]; |
772 | ||
32798965 MK |
773 | vty = (struct vty *)args[0]; |
774 | json = (struct json_object *)args[1]; | |
2dbad57f | 775 | |
776 | zl3vni = (zebra_l3vni_t *)backet->data; | |
777 | if (!zl3vni) { | |
778 | if (json) | |
779 | vty_out(vty, "{}\n"); | |
780 | return; | |
781 | } | |
782 | ||
783 | num_nh = hashcount(zl3vni->nh_table); | |
784 | if (!num_nh) | |
785 | return; | |
786 | ||
787 | if (json) { | |
788 | json_vni = json_object_new_object(); | |
2dbad57f | 789 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
790 | } | |
791 | ||
792 | if (json == NULL) { | |
996c9314 | 793 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 794 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 795 | } else |
4cce389e | 796 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 797 | |
32798965 MK |
798 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
799 | wctx.vty = vty; | |
800 | wctx.json = json_vni; | |
801 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
802 | if (json) | |
2dbad57f | 803 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 804 | } |
805 | ||
b7cfce93 | 806 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 807 | void **args) |
b7cfce93 MK |
808 | { |
809 | struct vty *vty = NULL; | |
810 | json_object *json = NULL; | |
811 | json_object *json_vni = NULL; | |
b7cfce93 MK |
812 | zebra_l3vni_t *zl3vni = NULL; |
813 | u_int32_t num_rmacs; | |
c0b4eaa4 | 814 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
815 | char vni_str[VNI_STR_LEN]; |
816 | ||
c0b4eaa4 MK |
817 | vty = (struct vty *)args[0]; |
818 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
819 | |
820 | zl3vni = (zebra_l3vni_t *)backet->data; | |
821 | if (!zl3vni) { | |
822 | if (json) | |
823 | vty_out(vty, "{}\n"); | |
824 | return; | |
825 | } | |
826 | ||
827 | num_rmacs = hashcount(zl3vni->rmac_table); | |
828 | if (!num_rmacs) | |
829 | return; | |
830 | ||
831 | if (json) { | |
832 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
833 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
834 | } | |
835 | ||
836 | if (json == NULL) { | |
996c9314 | 837 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 838 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
839 | } else |
840 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
841 | ||
842 | /* assign per-vni to wctx->json object to fill macs | |
843 | * under the vni. Re-assign primary json object to fill | |
844 | * next vni information. | |
845 | */ | |
c0b4eaa4 MK |
846 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
847 | wctx.vty = vty; | |
848 | wctx.json = json_vni; | |
849 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
850 | if (json) | |
b7cfce93 | 851 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
852 | } |
853 | ||
996c9314 | 854 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
855 | { |
856 | zebra_mac_t *zrmac = NULL; | |
857 | struct rmac_walk_ctx *wctx = NULL; | |
858 | struct vty *vty = NULL; | |
859 | struct json_object *json = NULL; | |
860 | struct json_object *json_rmac = NULL; | |
861 | char buf[ETHER_ADDR_STRLEN]; | |
862 | ||
863 | wctx = (struct rmac_walk_ctx *)ctx; | |
864 | vty = wctx->vty; | |
865 | json = wctx->json; | |
866 | if (json) | |
867 | json_rmac = json_object_new_object(); | |
868 | zrmac = (zebra_mac_t *)backet->data; | |
869 | if (!zrmac) | |
870 | return; | |
871 | ||
872 | if (!json) { | |
4cce389e | 873 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 874 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 875 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 876 | } else { |
996c9314 LB |
877 | json_object_string_add( |
878 | json_rmac, "routerMac", | |
879 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 880 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 881 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
882 | json_object_object_add( |
883 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
884 | json_rmac); | |
b7cfce93 MK |
885 | } |
886 | } | |
887 | ||
888 | /* print a specific L3 VNI entry */ | |
889 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
890 | { | |
891 | char buf[ETHER_ADDR_STRLEN]; | |
892 | struct vty *vty = NULL; | |
893 | json_object *json = NULL; | |
894 | zebra_vni_t *zvni = NULL; | |
895 | json_object *json_vni_list = NULL; | |
896 | struct listnode *node = NULL, *nnode = NULL; | |
897 | ||
898 | vty = ctx[0]; | |
899 | json = ctx[1]; | |
900 | ||
901 | if (!json) { | |
902 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 903 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 904 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 905 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 906 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
907 | vty_out(vty, " Vxlan-Intf: %s\n", |
908 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
909 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
910 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 911 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
912 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
913 | ? "prefix-routes-only" | |
914 | : "none"); | |
4cce389e | 915 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 916 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 917 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
918 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
919 | vty_out(vty, "%u ", zvni->vni); | |
920 | vty_out(vty, "\n"); | |
921 | } else { | |
922 | json_vni_list = json_object_new_array(); | |
923 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
924 | json_object_string_add(json, "type", "L3"); |
925 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 926 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 927 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 928 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 929 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 930 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
931 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
932 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
933 | json_object_string_add( | |
934 | json, "routerMac", | |
935 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
936 | json_object_string_add( | |
937 | json, "vniFilter", | |
938 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
939 | ? "prefix-routes-only" | |
940 | : "none"); | |
b7cfce93 MK |
941 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
942 | json_object_array_add(json_vni_list, | |
943 | json_object_new_int(zvni->vni)); | |
944 | } | |
4cce389e | 945 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
946 | } |
947 | } | |
948 | ||
cec2e17d | 949 | /* |
950 | * Print a specific VNI entry. | |
951 | */ | |
cd233079 | 952 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 953 | { |
954 | struct vty *vty; | |
955 | zebra_vtep_t *zvtep; | |
956 | u_int32_t num_macs; | |
957 | u_int32_t num_neigh; | |
cd233079 CS |
958 | json_object *json = NULL; |
959 | json_object *json_vtep_list = NULL; | |
960 | json_object *json_ip_str = NULL; | |
d62a17ae | 961 | |
cd233079 CS |
962 | vty = ctxt[0]; |
963 | json = ctxt[1]; | |
964 | ||
b7cfce93 | 965 | if (json == NULL) { |
cd233079 | 966 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
967 | vty_out(vty, " Type: %s\n", "L2"); |
968 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 969 | } else { |
cd233079 | 970 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 971 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
972 | json_object_string_add(json, "vrf", |
973 | vrf_id_to_name(zvni->vrf_id)); | |
974 | } | |
d62a17ae | 975 | |
d62a17ae | 976 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
977 | if (json == NULL) |
978 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 979 | return; |
980 | } | |
790f8dc5 | 981 | num_macs = num_valid_macs(zvni); |
cd233079 | 982 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 983 | if (json == NULL) { |
996c9314 | 984 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 985 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 986 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 987 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 988 | } else { |
cd233079 CS |
989 | json_object_string_add(json, "vxlanInterface", |
990 | zvni->vxlan_if->name); | |
991 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
992 | json_object_string_add(json, "vtepIp", | |
993 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
994 | json_object_string_add(json, "advertiseGatewayMacip", |
995 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
996 | json_object_int_add(json, "numMacs", num_macs); |
997 | json_object_int_add(json, "numArpNd", num_neigh); | |
998 | } | |
d62a17ae | 999 | if (!zvni->vteps) { |
cd233079 CS |
1000 | if (json == NULL) |
1001 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1002 | } else { |
cd233079 CS |
1003 | if (json == NULL) |
1004 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1005 | else | |
1006 | json_vtep_list = json_object_new_array(); | |
1007 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1008 | if (json == NULL) | |
1009 | vty_out(vty, " %s\n", | |
1010 | inet_ntoa(zvtep->vtep_ip)); | |
1011 | else { | |
1012 | json_ip_str = json_object_new_string( | |
1013 | inet_ntoa(zvtep->vtep_ip)); | |
1014 | json_object_array_add(json_vtep_list, | |
1015 | json_ip_str); | |
1016 | } | |
1017 | } | |
1018 | if (json) | |
1019 | json_object_object_add(json, "numRemoteVteps", | |
1020 | json_vtep_list); | |
1021 | } | |
1022 | if (json == NULL) { | |
1023 | vty_out(vty, | |
1024 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1025 | num_macs); | |
1026 | vty_out(vty, | |
1027 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1028 | "known for this VNI: %u\n", | |
1029 | num_neigh); | |
ddd16ed5 MK |
1030 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1031 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1032 | } |
cec2e17d | 1033 | } |
1034 | ||
b7cfce93 | 1035 | /* print a L3 VNI hash entry */ |
996c9314 | 1036 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1037 | { |
b7cfce93 MK |
1038 | struct vty *vty = NULL; |
1039 | json_object *json = NULL; | |
51d8de8f | 1040 | json_object *json_vni = NULL; |
b7cfce93 MK |
1041 | zebra_l3vni_t *zl3vni = NULL; |
1042 | ||
51d8de8f MK |
1043 | vty = (struct vty *)ctx[0]; |
1044 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1045 | |
1046 | zl3vni = (zebra_l3vni_t *)backet->data; | |
1047 | if (!zl3vni) | |
1048 | return; | |
1049 | ||
1050 | if (!json) { | |
996c9314 LB |
1051 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1052 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1053 | hashcount(zl3vni->rmac_table), |
996c9314 | 1054 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1055 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1056 | } else { |
51d8de8f MK |
1057 | char vni_str[VNI_STR_LEN]; |
1058 | ||
1059 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1060 | json_vni = json_object_new_object(); | |
1061 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1062 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1063 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1064 | json_object_int_add(json_vni, "numMacs", |
1065 | hashcount(zl3vni->rmac_table)); | |
1066 | json_object_int_add(json_vni, "numArpNd", | |
1067 | hashcount(zl3vni->nh_table)); | |
1068 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1069 | json_object_string_add(json_vni, "type", "L3"); | |
1070 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1071 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1072 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1073 | } |
b7cfce93 MK |
1074 | } |
1075 | ||
cec2e17d | 1076 | /* |
1077 | * Print a VNI hash entry - called for display of all VNIs. | |
1078 | */ | |
cd233079 | 1079 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1080 | { |
d62a17ae | 1081 | struct vty *vty; |
1082 | zebra_vni_t *zvni; | |
1083 | zebra_vtep_t *zvtep; | |
1084 | u_int32_t num_vteps = 0; | |
1085 | u_int32_t num_macs = 0; | |
1086 | u_int32_t num_neigh = 0; | |
cd233079 CS |
1087 | json_object *json = NULL; |
1088 | json_object *json_vni = NULL; | |
1089 | json_object *json_ip_str = NULL; | |
1090 | json_object *json_vtep_list = NULL; | |
1091 | ||
1092 | vty = ctxt[0]; | |
1093 | json = ctxt[1]; | |
cec2e17d | 1094 | |
d62a17ae | 1095 | zvni = (zebra_vni_t *)backet->data; |
1096 | if (!zvni) | |
1097 | return; | |
cec2e17d | 1098 | |
d62a17ae | 1099 | zvtep = zvni->vteps; |
1100 | while (zvtep) { | |
1101 | num_vteps++; | |
1102 | zvtep = zvtep->next; | |
1103 | } | |
cec2e17d | 1104 | |
790f8dc5 | 1105 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1106 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1107 | if (json == NULL) |
996c9314 | 1108 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1109 | zvni->vni, "L2", |
cd233079 | 1110 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1111 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1112 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1113 | else { |
1114 | char vni_str[VNI_STR_LEN]; | |
1115 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1116 | json_vni = json_object_new_object(); | |
4cce389e MK |
1117 | json_object_int_add(json_vni, "vni", zvni->vni); |
1118 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1119 | json_object_string_add(json_vni, "vxlanIf", |
1120 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1121 | : "unknown"); | |
cd233079 CS |
1122 | json_object_int_add(json_vni, "numMacs", num_macs); |
1123 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1124 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1125 | json_object_string_add(json_vni, "tenantVrf", |
1126 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1127 | if (num_vteps) { |
1128 | json_vtep_list = json_object_new_array(); | |
1129 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1130 | json_ip_str = json_object_new_string( | |
1131 | inet_ntoa(zvtep->vtep_ip)); | |
1132 | json_object_array_add(json_vtep_list, | |
1133 | json_ip_str); | |
1134 | } | |
1135 | json_object_object_add(json_vni, "remoteVteps", | |
1136 | json_vtep_list); | |
1137 | } | |
1138 | json_object_object_add(json, vni_str, json_vni); | |
1139 | } | |
cec2e17d | 1140 | } |
1141 | ||
13d60d35 | 1142 | /* |
2232a77c | 1143 | * Inform BGP about local MACIP. |
1144 | */ | |
996c9314 | 1145 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
1a98c087 | 1146 | struct ipaddr *ip, u_char flags, |
d62a17ae | 1147 | u_int16_t cmd) |
1148 | { | |
d62a17ae | 1149 | char buf[ETHER_ADDR_STRLEN]; |
1150 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1151 | int ipa_len; |
1152 | struct zserv *client = NULL; | |
1153 | struct stream *s = NULL; | |
d62a17ae | 1154 | |
019a82cb | 1155 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1156 | /* BGP may not be running. */ |
1157 | if (!client) | |
1158 | return 0; | |
1159 | ||
1160 | s = client->obuf; | |
1161 | stream_reset(s); | |
1162 | ||
7cf15b25 | 1163 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1164 | stream_putl(s, vni); |
ff8b7eb8 | 1165 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1166 | if (ip) { |
1167 | ipa_len = 0; | |
1168 | if (IS_IPADDR_V4(ip)) | |
1169 | ipa_len = IPV4_MAX_BYTELEN; | |
1170 | else if (IS_IPADDR_V6(ip)) | |
1171 | ipa_len = IPV6_MAX_BYTELEN; | |
1172 | ||
1173 | stream_putl(s, ipa_len); /* IP address length */ | |
1174 | if (ipa_len) | |
1175 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1176 | } else | |
1177 | stream_putl(s, 0); /* Just MAC. */ | |
1178 | ||
1a98c087 | 1179 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 1180 | |
b7cfce93 | 1181 | |
d62a17ae | 1182 | /* Write packet size. */ |
1183 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1184 | ||
1185 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1186 | zlog_debug( |
b7cfce93 | 1187 | "Send MACIP %s flags 0x%x MAC %s IP %s L2-VNI %u to %s", |
996c9314 LB |
1188 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1189 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1a98c087 MK |
1190 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, |
1191 | zebra_route_string(client->proto)); | |
d62a17ae | 1192 | |
1193 | if (cmd == ZEBRA_MACIP_ADD) | |
1194 | client->macipadd_cnt++; | |
1195 | else | |
1196 | client->macipdel_cnt++; | |
1197 | ||
1198 | return zebra_server_send_message(client); | |
2232a77c | 1199 | } |
1200 | ||
1201 | /* | |
1202 | * Make hash key for neighbors. | |
13d60d35 | 1203 | */ |
d62a17ae | 1204 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1205 | { |
d62a17ae | 1206 | zebra_neigh_t *n = p; |
1207 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1208 | |
d62a17ae | 1209 | if (IS_IPADDR_V4(ip)) |
1210 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1211 | |
d62a17ae | 1212 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1213 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1214 | } |
1215 | ||
1216 | /* | |
2232a77c | 1217 | * Compare two neighbor hash structures. |
13d60d35 | 1218 | */ |
d62a17ae | 1219 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1220 | { |
d62a17ae | 1221 | const zebra_neigh_t *n1 = p1; |
1222 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1223 | |
d62a17ae | 1224 | if (n1 == NULL && n2 == NULL) |
1225 | return 1; | |
2232a77c | 1226 | |
d62a17ae | 1227 | if (n1 == NULL || n2 == NULL) |
1228 | return 0; | |
2232a77c | 1229 | |
d62a17ae | 1230 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1231 | } |
1232 | ||
1233 | /* | |
2232a77c | 1234 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1235 | */ |
d62a17ae | 1236 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1237 | { |
d62a17ae | 1238 | const zebra_neigh_t *tmp_n = p; |
1239 | zebra_neigh_t *n; | |
13d60d35 | 1240 | |
d62a17ae | 1241 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1242 | *n = *tmp_n; | |
2232a77c | 1243 | |
d62a17ae | 1244 | return ((void *)n); |
13d60d35 | 1245 | } |
1246 | ||
1247 | /* | |
2232a77c | 1248 | * Add neighbor entry. |
13d60d35 | 1249 | */ |
b6938a74 MK |
1250 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1251 | struct ethaddr *mac) | |
13d60d35 | 1252 | { |
d62a17ae | 1253 | zebra_neigh_t tmp_n; |
1254 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1255 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1256 | |
d62a17ae | 1257 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1258 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1259 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1260 | assert(n); | |
13d60d35 | 1261 | |
b6938a74 MK |
1262 | memcpy(&n->emac, mac, ETH_ALEN); |
1263 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1264 | ||
1265 | /* Associate the neigh to mac */ | |
1266 | zmac = zvni_mac_lookup(zvni, mac); | |
1267 | if (zmac) | |
1268 | listnode_add_sort(zmac->neigh_list, n); | |
1269 | ||
d62a17ae | 1270 | return n; |
13d60d35 | 1271 | } |
1272 | ||
1273 | /* | |
2232a77c | 1274 | * Delete neighbor entry. |
13d60d35 | 1275 | */ |
d62a17ae | 1276 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1277 | { |
d62a17ae | 1278 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1279 | zebra_mac_t *zmac = NULL; |
1280 | ||
1281 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1282 | if (zmac) | |
1283 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1284 | |
d62a17ae | 1285 | /* Free the VNI hash entry and allocated memory. */ |
1286 | tmp_n = hash_release(zvni->neigh_table, n); | |
1287 | if (tmp_n) | |
1288 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1289 | |
d62a17ae | 1290 | return 0; |
13d60d35 | 1291 | } |
1292 | ||
1293 | /* | |
2232a77c | 1294 | * Free neighbor hash entry (callback) |
13d60d35 | 1295 | */ |
d62a17ae | 1296 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1297 | { |
d62a17ae | 1298 | struct neigh_walk_ctx *wctx = arg; |
1299 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1300 | |
d62a17ae | 1301 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1302 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1303 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1304 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1305 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1306 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1307 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1308 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1309 | &n->emac, 0); |
13d60d35 | 1310 | |
d62a17ae | 1311 | if (wctx->uninstall) |
1312 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1313 | |
d62a17ae | 1314 | return zvni_neigh_del(wctx->zvni, n); |
1315 | } | |
13d60d35 | 1316 | |
d62a17ae | 1317 | return 0; |
13d60d35 | 1318 | } |
1319 | ||
1320 | /* | |
2232a77c | 1321 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1322 | */ |
d62a17ae | 1323 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1324 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1325 | { |
d62a17ae | 1326 | struct neigh_walk_ctx wctx; |
13d60d35 | 1327 | |
d62a17ae | 1328 | if (!zvni->neigh_table) |
1329 | return; | |
13d60d35 | 1330 | |
d62a17ae | 1331 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1332 | wctx.zvni = zvni; | |
1333 | wctx.uninstall = uninstall; | |
1334 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1335 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1336 | |
d62a17ae | 1337 | hash_iterate(zvni->neigh_table, |
1338 | (void (*)(struct hash_backet *, | |
1339 | void *))zvni_neigh_del_hash_entry, | |
1340 | &wctx); | |
2232a77c | 1341 | } |
13d60d35 | 1342 | |
2232a77c | 1343 | /* |
1344 | * Delete all neighbor entries for this VNI. | |
1345 | */ | |
996c9314 LB |
1346 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
1347 | u_int32_t flags) | |
2232a77c | 1348 | { |
d62a17ae | 1349 | struct neigh_walk_ctx wctx; |
13d60d35 | 1350 | |
d62a17ae | 1351 | if (!zvni->neigh_table) |
1352 | return; | |
13d60d35 | 1353 | |
d62a17ae | 1354 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1355 | wctx.zvni = zvni; | |
d62a17ae | 1356 | wctx.uninstall = uninstall; |
1357 | wctx.upd_client = upd_client; | |
1358 | wctx.flags = flags; | |
2232a77c | 1359 | |
d62a17ae | 1360 | hash_iterate(zvni->neigh_table, |
1361 | (void (*)(struct hash_backet *, | |
1362 | void *))zvni_neigh_del_hash_entry, | |
1363 | &wctx); | |
13d60d35 | 1364 | } |
1365 | ||
1366 | /* | |
2232a77c | 1367 | * Look up neighbor hash entry. |
1368 | */ | |
d62a17ae | 1369 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1370 | { |
d62a17ae | 1371 | zebra_neigh_t tmp; |
1372 | zebra_neigh_t *n; | |
2232a77c | 1373 | |
d62a17ae | 1374 | memset(&tmp, 0, sizeof(tmp)); |
1375 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1376 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1377 | |
d62a17ae | 1378 | return n; |
2232a77c | 1379 | } |
1380 | ||
b6938a74 | 1381 | /* Process all neigh associated to a mac upon local mac add event */ |
2853fed6 | 1382 | static void zvni_process_neigh_on_local_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1383 | zebra_mac_t *zmac) |
1384 | { | |
1385 | zebra_neigh_t *n = NULL; | |
1386 | struct listnode *node = NULL; | |
1387 | char buf[ETHER_ADDR_STRLEN]; | |
1388 | char buf2[INET6_ADDRSTRLEN]; | |
1389 | ||
1390 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1391 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1392 | /* MAC is learnt locally, program all inactive neigh | |
1393 | * pointing to this mac */ | |
1394 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
1395 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1396 | zlog_debug( | |
b7cfce93 | 1397 | "neigh %s (MAC %s) on L2-VNI %u is now ACTIVE", |
b6938a74 MK |
1398 | ipaddr2str(&n->ip, buf2, |
1399 | sizeof(buf2)), | |
1400 | prefix_mac2str(&n->emac, buf, | |
1401 | sizeof(buf)), | |
1402 | zvni->vni); | |
1403 | ||
1404 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
1405 | zvni_neigh_send_add_to_client( | |
ead40654 | 1406 | zvni->vni, &n->ip, &n->emac, n->flags); |
b6938a74 MK |
1407 | } else { |
1408 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1409 | zlog_debug( | |
2853fed6 | 1410 | "neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", |
b6938a74 MK |
1411 | ipaddr2str(&n->ip, buf2, |
1412 | sizeof(buf2)), | |
1413 | prefix_mac2str(&n->emac, buf, | |
1414 | sizeof(buf)), | |
1415 | zvni->vni); | |
1416 | } | |
1417 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1418 | /* TODO: assume the neigh has moved too ?? */ | |
1419 | } | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | /* Process all neigh associated to a mac upon local mac del event */ | |
2853fed6 | 1424 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1425 | zebra_mac_t *zmac) |
1426 | { | |
1427 | zebra_neigh_t *n = NULL; | |
1428 | struct listnode *node = NULL; | |
1429 | char buf[ETHER_ADDR_STRLEN]; | |
1430 | char buf2[INET6_ADDRSTRLEN]; | |
1431 | ||
1432 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1433 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1434 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1435 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1436 | zlog_debug( | |
b7cfce93 | 1437 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1438 | ipaddr2str(&n->ip, buf2, |
1439 | sizeof(buf2)), | |
1440 | prefix_mac2str(&n->emac, buf, | |
1441 | sizeof(buf)), | |
1442 | zvni->vni); | |
1443 | ||
1444 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1445 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1446 | &n->emac, 0); | |
b6938a74 MK |
1447 | } |
1448 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1449 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1450 | zlog_err( | |
2853fed6 | 1451 | "local MAC %s getting deleted on VNI %u has remote neigh %s", |
b6938a74 MK |
1452 | prefix_mac2str(&n->emac, buf, |
1453 | sizeof(buf)), | |
1454 | zvni->vni, | |
1455 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1456 | } | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | /* process all neigh associated to a mac entry upon remote mac add */ | |
2853fed6 | 1461 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1462 | zebra_mac_t *zmac) |
1463 | { | |
1464 | zebra_neigh_t *n = NULL; | |
1465 | struct listnode *node = NULL; | |
1466 | char buf[ETHER_ADDR_STRLEN]; | |
1467 | char buf2[INET6_ADDRSTRLEN]; | |
1468 | ||
1469 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1470 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1471 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1472 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1473 | zlog_debug( | |
b7cfce93 | 1474 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1475 | ipaddr2str(&n->ip, buf2, |
1476 | sizeof(buf2)), | |
1477 | prefix_mac2str(&n->emac, buf, | |
1478 | sizeof(buf)), | |
1479 | zvni->vni); | |
1480 | ||
1481 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1482 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1483 | &n->emac, 0); | |
b6938a74 MK |
1484 | } |
1485 | } | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | /* process all neigh associated to mac entry upon remote mac del */ | |
2853fed6 | 1490 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1491 | zebra_mac_t *zmac) |
1492 | { | |
1493 | zebra_neigh_t *n = NULL; | |
1494 | struct listnode *node = NULL; | |
1495 | char buf[ETHER_ADDR_STRLEN]; | |
1496 | char buf2[INET6_ADDRSTRLEN]; | |
1497 | ||
1498 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1499 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1500 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1501 | zlog_err( | |
2853fed6 | 1502 | "remote MAC %s getting deleted on VNI %u has local neigh %s", |
b6938a74 MK |
1503 | prefix_mac2str(&n->emac, buf, |
1504 | sizeof(buf)), | |
1505 | zvni->vni, | |
1506 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1507 | } | |
1508 | } | |
1509 | } | |
1510 | ||
2232a77c | 1511 | /* |
1512 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1513 | */ |
996c9314 | 1514 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 MK |
1515 | struct ethaddr *macaddr, |
1516 | u_char neigh_flags) | |
13d60d35 | 1517 | { |
996c9314 | 1518 | u_char flags = 0; |
ead40654 MK |
1519 | |
1520 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1521 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
1522 | ||
2853fed6 | 1523 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1524 | ZEBRA_MACIP_ADD); |
2232a77c | 1525 | } |
13d60d35 | 1526 | |
2232a77c | 1527 | /* |
1528 | * Inform BGP about local neighbor deletion. | |
1529 | */ | |
996c9314 | 1530 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
1a98c087 | 1531 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1532 | { |
2853fed6 | 1533 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1534 | ZEBRA_MACIP_DEL); |
2232a77c | 1535 | } |
1536 | ||
1537 | /* | |
1538 | * Install remote neighbor into the kernel. | |
1539 | */ | |
d62a17ae | 1540 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1541 | { |
d62a17ae | 1542 | struct zebra_if *zif; |
1543 | struct zebra_l2info_vxlan *vxl; | |
1544 | struct interface *vlan_if; | |
2232a77c | 1545 | |
d62a17ae | 1546 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1547 | return 0; | |
13d60d35 | 1548 | |
d62a17ae | 1549 | zif = zvni->vxlan_if->info; |
1550 | if (!zif) | |
1551 | return -1; | |
1552 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1553 | |
2853fed6 | 1554 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1555 | if (!vlan_if) |
1556 | return -1; | |
13d60d35 | 1557 | |
d62a17ae | 1558 | return kernel_add_neigh(vlan_if, &n->ip, &n->emac); |
2232a77c | 1559 | } |
13d60d35 | 1560 | |
2232a77c | 1561 | /* |
1562 | * Uninstall remote neighbor from the kernel. | |
1563 | */ | |
d62a17ae | 1564 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1565 | { |
d62a17ae | 1566 | struct zebra_if *zif; |
1567 | struct zebra_l2info_vxlan *vxl; | |
1568 | struct interface *vlan_if; | |
13d60d35 | 1569 | |
d62a17ae | 1570 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1571 | return 0; | |
2232a77c | 1572 | |
d62a17ae | 1573 | if (!zvni->vxlan_if) { |
1574 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1575 | zvni->vni, zvni); | |
1576 | return -1; | |
1577 | } | |
2232a77c | 1578 | |
d62a17ae | 1579 | zif = zvni->vxlan_if->info; |
1580 | if (!zif) | |
1581 | return -1; | |
1582 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1583 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1584 | if (!vlan_if) |
1585 | return -1; | |
2232a77c | 1586 | |
d62a17ae | 1587 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1588 | } |
1589 | ||
1590 | /* | |
2232a77c | 1591 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1592 | */ |
d62a17ae | 1593 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1594 | { |
d62a17ae | 1595 | zebra_neigh_t *n; |
1596 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1597 | |
d62a17ae | 1598 | n = (zebra_neigh_t *)backet->data; |
1599 | if (!n) | |
1600 | return; | |
13d60d35 | 1601 | |
d62a17ae | 1602 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1603 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1604 | } |
13d60d35 | 1605 | |
1a98c087 MK |
1606 | /* Get the VRR interface for SVI if any */ |
1607 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1608 | { | |
1609 | struct zebra_vrf *zvrf = NULL; | |
1610 | struct interface *tmp_if = NULL; | |
1611 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1612 | |
1613 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1614 | assert(zvrf); | |
1615 | ||
451fda4f | 1616 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1617 | zif = tmp_if->info; |
1618 | if (!zif) | |
1619 | continue; | |
1620 | ||
1621 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1622 | continue; | |
1623 | ||
1624 | if (zif->link == ifp) | |
1625 | return tmp_if; | |
1626 | } | |
1627 | ||
1628 | return NULL; | |
1629 | } | |
1630 | ||
1631 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1632 | { | |
1a98c087 MK |
1633 | struct listnode *cnode = NULL, *cnnode = NULL; |
1634 | struct connected *c = NULL; | |
1635 | struct ethaddr macaddr; | |
1636 | ||
1a98c087 MK |
1637 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1638 | ||
1639 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1640 | struct ipaddr ip; | |
1641 | ||
1642 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1643 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1644 | continue; | |
1645 | ||
1646 | if (c->address->family == AF_INET) { | |
1647 | ip.ipa_type = IPADDR_V4; | |
1648 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1649 | sizeof(struct in_addr)); | |
1650 | } else if (c->address->family == AF_INET6) { | |
1651 | ip.ipa_type = IPADDR_V6; | |
1652 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1653 | sizeof(struct in6_addr)); | |
1654 | } else { | |
1655 | continue; | |
1656 | } | |
1657 | ||
1658 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1659 | } | |
1660 | ||
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1665 | { | |
1a98c087 MK |
1666 | struct listnode *cnode = NULL, *cnnode = NULL; |
1667 | struct connected *c = NULL; | |
1668 | struct ethaddr macaddr; | |
1669 | ||
1a98c087 MK |
1670 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1671 | ||
1672 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1673 | struct ipaddr ip; | |
1674 | ||
1675 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1676 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1677 | continue; | |
1678 | ||
1679 | if (c->address->family == AF_INET) { | |
1680 | ip.ipa_type = IPADDR_V4; | |
1681 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1682 | sizeof(struct in_addr)); | |
1683 | } else if (c->address->family == AF_INET6) { | |
1684 | ip.ipa_type = IPADDR_V6; | |
1685 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1686 | sizeof(struct in6_addr)); | |
1687 | } else { | |
1688 | continue; | |
1689 | } | |
1690 | ||
1691 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1692 | } | |
31310b25 MK |
1693 | return 0; |
1694 | } | |
1695 | ||
1696 | ||
996c9314 | 1697 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1698 | int advertise) |
1699 | { | |
1700 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1701 | struct connected *c = NULL; | |
1702 | struct ethaddr macaddr; | |
1703 | ||
1704 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1705 | ||
1706 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1707 | struct prefix p; | |
1a98c087 | 1708 | |
31310b25 MK |
1709 | memcpy(&p, c->address, sizeof(struct prefix)); |
1710 | ||
1711 | /* skip link local address */ | |
1712 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1713 | continue; | |
1714 | ||
1715 | apply_mask(&p); | |
1716 | if (advertise) | |
1717 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1718 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1719 | else |
1720 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1721 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1722 | } | |
1a98c087 MK |
1723 | return 0; |
1724 | } | |
1725 | ||
1726 | /* | |
1727 | * zvni_gw_macip_add_to_client | |
1728 | */ | |
1729 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1730 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1731 | { | |
1a98c087 MK |
1732 | char buf[ETHER_ADDR_STRLEN]; |
1733 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1734 | zebra_neigh_t *n = NULL; |
1735 | zebra_mac_t *mac = NULL; | |
1736 | struct zebra_if *zif = NULL; | |
1737 | struct zebra_l2info_vxlan *vxl = NULL; | |
1738 | ||
1a98c087 MK |
1739 | zif = zvni->vxlan_if->info; |
1740 | if (!zif) | |
1741 | return -1; | |
1742 | ||
1743 | vxl = &zif->l2info.vxl; | |
1744 | ||
1745 | mac = zvni_mac_lookup(zvni, macaddr); | |
1746 | if (!mac) { | |
1747 | mac = zvni_mac_add(zvni, macaddr); | |
1748 | if (!mac) { | |
2853fed6 | 1749 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
1a98c087 MK |
1750 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1751 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1752 | return -1; | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | /* Set "local" forwarding info. */ | |
1757 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1758 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1759 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1760 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1761 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1762 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1763 | ||
1764 | n = zvni_neigh_lookup(zvni, ip); | |
1765 | if (!n) { | |
b6938a74 | 1766 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 MK |
1767 | if (!n) { |
1768 | zlog_err( | |
2853fed6 | 1769 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1770 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1771 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1772 | ifp->name, ifp->ifindex, zvni->vni); |
1773 | return -1; | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | /* Set "local" forwarding info. */ | |
1778 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1779 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a98c087 MK |
1780 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1781 | n->ifindex = ifp->ifindex; | |
1782 | ||
ead40654 MK |
1783 | /* Only advertise in BGP if the knob is enabled */ |
1784 | if (!advertise_gw_macip_enabled(zvni)) | |
1785 | return 0; | |
1786 | ||
1a98c087 MK |
1787 | if (IS_ZEBRA_DEBUG_VXLAN) |
1788 | zlog_debug( | |
964ec886 | 1789 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP", |
2853fed6 | 1790 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1791 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1792 | ipaddr2str(ip, buf2, sizeof(buf2))); |
1793 | ||
996c9314 | 1794 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
1a98c087 MK |
1795 | |
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | /* | |
1800 | * zvni_gw_macip_del_from_client | |
1801 | */ | |
1802 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1803 | struct ipaddr *ip) | |
1804 | { | |
0af35d90 | 1805 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1806 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1807 | zebra_neigh_t *n = NULL; |
1808 | zebra_mac_t *mac = NULL; | |
1809 | ||
1a98c087 MK |
1810 | /* If the neigh entry is not present nothing to do*/ |
1811 | n = zvni_neigh_lookup(zvni, ip); | |
1812 | if (!n) | |
1813 | return 0; | |
1814 | ||
1815 | /* mac entry should be present */ | |
1816 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1817 | if (!mac) { |
2853fed6 | 1818 | zlog_err("MAC %s doesnt exists for neigh %s on VNI %u", |
0af35d90 | 1819 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
1a98c087 | 1820 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); |
0af35d90 RW |
1821 | return -1; |
1822 | } | |
1a98c087 MK |
1823 | |
1824 | /* If the entry is not local nothing to do*/ | |
1825 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1826 | return -1; | |
1827 | ||
ead40654 | 1828 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1829 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1830 | zlog_debug( |
1831 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1832 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
1833 | prefix_mac2str(&(n->emac), NULL, ETHER_ADDR_STRLEN), | |
1834 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
01a6143b MK |
1835 | |
1836 | /* Remove neighbor from BGP. */ | |
1837 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1838 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1839 | |
1840 | /* Delete this neighbor entry. */ | |
1841 | zvni_neigh_del(zvni, n); | |
1842 | ||
1843 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1844 | if (mac) |
1845 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1846 | |
1847 | return 0; | |
1848 | } | |
1849 | ||
1850 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1851 | void *ctxt) |
1a98c087 MK |
1852 | { |
1853 | zebra_vni_t *zvni = NULL; | |
1854 | struct zebra_if *zif = NULL; | |
1855 | struct zebra_l2info_vxlan zl2_info; | |
1856 | struct interface *vlan_if = NULL; | |
1857 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1858 | struct interface *ifp; |
1a98c087 MK |
1859 | |
1860 | /* Add primary SVI MAC*/ | |
1861 | zvni = (zebra_vni_t *)backet->data; | |
1862 | if (!zvni) | |
1863 | return; | |
1864 | ||
b5ebdc9b | 1865 | ifp = zvni->vxlan_if; |
1866 | if (!ifp) | |
1867 | return; | |
1868 | zif = ifp->info; | |
1869 | ||
1870 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1871 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1872 | return; |
1873 | ||
1a98c087 MK |
1874 | zl2_info = zif->l2info.vxl; |
1875 | ||
996c9314 LB |
1876 | vlan_if = |
1877 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1878 | if (!vlan_if) |
1879 | return; | |
1880 | ||
1881 | /* Del primary MAC-IP */ | |
1882 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1883 | ||
1884 | /* Del VRR MAC-IP - if any*/ | |
1885 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1886 | if (vrr_if) | |
1887 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1888 | ||
1889 | return; | |
1890 | } | |
1891 | ||
1892 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1893 | void *ctxt) |
1a98c087 MK |
1894 | { |
1895 | zebra_vni_t *zvni = NULL; | |
1896 | struct zebra_if *zif = NULL; | |
1897 | struct zebra_l2info_vxlan zl2_info; | |
1898 | struct interface *vlan_if = NULL; | |
1899 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1900 | struct interface *ifp = NULL; |
1a98c087 MK |
1901 | |
1902 | zvni = (zebra_vni_t *)backet->data; | |
1903 | if (!zvni) | |
1904 | return; | |
1905 | ||
b5ebdc9b | 1906 | ifp = zvni->vxlan_if; |
1907 | if (!ifp) | |
1908 | return; | |
1909 | zif = ifp->info; | |
1910 | ||
1911 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1912 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1913 | return; |
1a98c087 MK |
1914 | zl2_info = zif->l2info.vxl; |
1915 | ||
996c9314 LB |
1916 | vlan_if = |
1917 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1918 | if (!vlan_if) |
1919 | return; | |
1920 | ||
1a98c087 MK |
1921 | /* Add primary SVI MAC-IP */ |
1922 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1923 | ||
1924 | /* Add VRR MAC-IP - if any*/ | |
1925 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1926 | if (vrr_if) | |
1927 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1928 | ||
1929 | return; | |
1930 | } | |
1931 | ||
2232a77c | 1932 | /* |
1933 | * Make hash key for MAC. | |
1934 | */ | |
d62a17ae | 1935 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 1936 | { |
d62a17ae | 1937 | zebra_mac_t *pmac = p; |
25331def DS |
1938 | const void *pnt = (void *)pmac->macaddr.octet; |
1939 | ||
ff8b7eb8 | 1940 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 1941 | } |
13d60d35 | 1942 | |
2232a77c | 1943 | /* |
1944 | * Compare two MAC addresses. | |
1945 | */ | |
d62a17ae | 1946 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 1947 | { |
d62a17ae | 1948 | const zebra_mac_t *pmac1 = p1; |
1949 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 1950 | |
d62a17ae | 1951 | if (pmac1 == NULL && pmac2 == NULL) |
1952 | return 1; | |
2232a77c | 1953 | |
d62a17ae | 1954 | if (pmac1 == NULL || pmac2 == NULL) |
1955 | return 0; | |
2232a77c | 1956 | |
996c9314 | 1957 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 1958 | == 0); |
2232a77c | 1959 | } |
1960 | ||
1961 | /* | |
1962 | * Callback to allocate MAC hash entry. | |
1963 | */ | |
d62a17ae | 1964 | static void *zvni_mac_alloc(void *p) |
2232a77c | 1965 | { |
d62a17ae | 1966 | const zebra_mac_t *tmp_mac = p; |
1967 | zebra_mac_t *mac; | |
2232a77c | 1968 | |
d62a17ae | 1969 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
1970 | *mac = *tmp_mac; | |
2232a77c | 1971 | |
d62a17ae | 1972 | return ((void *)mac); |
2232a77c | 1973 | } |
1974 | ||
1975 | /* | |
1976 | * Add MAC entry. | |
1977 | */ | |
d62a17ae | 1978 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 1979 | { |
d62a17ae | 1980 | zebra_mac_t tmp_mac; |
1981 | zebra_mac_t *mac = NULL; | |
2232a77c | 1982 | |
d62a17ae | 1983 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 1984 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 1985 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
1986 | assert(mac); | |
2232a77c | 1987 | |
b6938a74 MK |
1988 | mac->neigh_list = list_new(); |
1989 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
1990 | ||
d62a17ae | 1991 | return mac; |
2232a77c | 1992 | } |
1993 | ||
1994 | /* | |
1995 | * Delete MAC entry. | |
1996 | */ | |
d62a17ae | 1997 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1998 | { |
d62a17ae | 1999 | zebra_mac_t *tmp_mac; |
2232a77c | 2000 | |
affe9e99 | 2001 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2002 | |
d62a17ae | 2003 | /* Free the VNI hash entry and allocated memory. */ |
2004 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2005 | if (tmp_mac) | |
2006 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2007 | |
d62a17ae | 2008 | return 0; |
2232a77c | 2009 | } |
2010 | ||
2011 | /* | |
2012 | * Free MAC hash entry (callback) | |
2013 | */ | |
d62a17ae | 2014 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2015 | { |
d62a17ae | 2016 | struct mac_walk_ctx *wctx = arg; |
2017 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2018 | |
d62a17ae | 2019 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2020 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2021 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2022 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2023 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2024 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2025 | &wctx->r_vtep_ip))) { | |
2026 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2027 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2028 | &mac->macaddr, mac->flags); | |
d62a17ae | 2029 | } |
2232a77c | 2030 | |
d62a17ae | 2031 | if (wctx->uninstall) |
2032 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2033 | |
d62a17ae | 2034 | return zvni_mac_del(wctx->zvni, mac); |
2035 | } | |
2232a77c | 2036 | |
d62a17ae | 2037 | return 0; |
2232a77c | 2038 | } |
2039 | ||
2040 | /* | |
2041 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2042 | */ | |
d62a17ae | 2043 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2044 | struct in_addr *r_vtep_ip) | |
2232a77c | 2045 | { |
d62a17ae | 2046 | struct mac_walk_ctx wctx; |
2232a77c | 2047 | |
d62a17ae | 2048 | if (!zvni->mac_table) |
2049 | return; | |
2232a77c | 2050 | |
d62a17ae | 2051 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2052 | wctx.zvni = zvni; | |
2053 | wctx.uninstall = uninstall; | |
2054 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2055 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2056 | |
9d303b37 DL |
2057 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2058 | void *))zvni_mac_del_hash_entry, | |
2059 | &wctx); | |
2232a77c | 2060 | } |
2061 | ||
2062 | /* | |
2063 | * Delete all MAC entries for this VNI. | |
2064 | */ | |
996c9314 LB |
2065 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
2066 | u_int32_t flags) | |
2232a77c | 2067 | { |
d62a17ae | 2068 | struct mac_walk_ctx wctx; |
2232a77c | 2069 | |
d62a17ae | 2070 | if (!zvni->mac_table) |
2071 | return; | |
2232a77c | 2072 | |
d62a17ae | 2073 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2074 | wctx.zvni = zvni; | |
d62a17ae | 2075 | wctx.uninstall = uninstall; |
2076 | wctx.upd_client = upd_client; | |
2077 | wctx.flags = flags; | |
2232a77c | 2078 | |
9d303b37 DL |
2079 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2080 | void *))zvni_mac_del_hash_entry, | |
2081 | &wctx); | |
2232a77c | 2082 | } |
2083 | ||
2084 | /* | |
2085 | * Look up MAC hash entry. | |
2086 | */ | |
d62a17ae | 2087 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2088 | { |
d62a17ae | 2089 | zebra_mac_t tmp; |
2090 | zebra_mac_t *pmac; | |
2232a77c | 2091 | |
d62a17ae | 2092 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2093 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2094 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2095 | |
d62a17ae | 2096 | return pmac; |
2232a77c | 2097 | } |
2098 | ||
2099 | /* | |
2100 | * Inform BGP about local MAC addition. | |
2101 | */ | |
996c9314 | 2102 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
ead40654 | 2103 | u_char mac_flags) |
2232a77c | 2104 | { |
996c9314 | 2105 | u_char flags = 0; |
ead40654 MK |
2106 | |
2107 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2108 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2109 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2110 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2111 | ||
2853fed6 | 2112 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2113 | ZEBRA_MACIP_ADD); |
2232a77c | 2114 | } |
2115 | ||
2116 | /* | |
2117 | * Inform BGP about local MAC deletion. | |
2118 | */ | |
996c9314 | 2119 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
ead40654 | 2120 | u_char mac_flags) |
2232a77c | 2121 | { |
996c9314 | 2122 | u_char flags = 0; |
ead40654 MK |
2123 | |
2124 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2125 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2126 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2127 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2128 | ||
2853fed6 | 2129 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2130 | ZEBRA_MACIP_DEL); |
2232a77c | 2131 | } |
2132 | ||
2133 | /* | |
2134 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2135 | * notifications, to see if they are of interest. |
2232a77c | 2136 | */ |
d62a17ae | 2137 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2138 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2139 | { |
2853fed6 | 2140 | struct zebra_ns *zns; |
2141 | struct route_node *rn; | |
2142 | struct interface *tmp_if = NULL; | |
d62a17ae | 2143 | struct zebra_if *zif; |
2144 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2145 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2146 | u_char bridge_vlan_aware; |
2147 | zebra_vni_t *zvni; | |
2853fed6 | 2148 | int found = 0; |
2232a77c | 2149 | |
d62a17ae | 2150 | /* Determine if bridge is VLAN-aware or not */ |
2151 | zif = br_if->info; | |
2152 | assert(zif); | |
2153 | br = &zif->l2info.br; | |
2154 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2155 | |
d62a17ae | 2156 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2157 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2158 | zns = zebra_ns_lookup(NS_DEFAULT); |
2159 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2160 | tmp_if = (struct interface *)rn->info; | |
2161 | if (!tmp_if) | |
2162 | continue; | |
d62a17ae | 2163 | zif = tmp_if->info; |
2164 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2165 | continue; | |
2166 | if (!if_is_operative(tmp_if)) | |
2167 | continue; | |
2168 | vxl = &zif->l2info.vxl; | |
2232a77c | 2169 | |
d62a17ae | 2170 | if (zif->brslave_info.br_if != br_if) |
2171 | continue; | |
2232a77c | 2172 | |
2853fed6 | 2173 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2174 | found = 1; | |
d62a17ae | 2175 | break; |
2853fed6 | 2176 | } |
d62a17ae | 2177 | } |
2232a77c | 2178 | |
2853fed6 | 2179 | if (!found) |
d62a17ae | 2180 | return NULL; |
2232a77c | 2181 | |
2853fed6 | 2182 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2183 | return zvni; |
2232a77c | 2184 | } |
2185 | ||
2186 | /* | |
2187 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2188 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2189 | */ |
b7cfce93 MK |
2190 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2191 | struct interface *br_if) | |
d62a17ae | 2192 | { |
2853fed6 | 2193 | struct zebra_ns *zns; |
2194 | struct route_node *rn; | |
2195 | struct interface *tmp_if = NULL; | |
d62a17ae | 2196 | struct zebra_if *zif; |
2197 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2198 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2199 | u_char bridge_vlan_aware; |
2200 | vlanid_t vid = 0; | |
2201 | zebra_vni_t *zvni; | |
2853fed6 | 2202 | int found = 0; |
d62a17ae | 2203 | |
71349e03 MK |
2204 | if (!br_if) |
2205 | return NULL; | |
2206 | ||
d62a17ae | 2207 | /* Make sure the linked interface is a bridge. */ |
2208 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2209 | return NULL; | |
2210 | ||
d62a17ae | 2211 | /* Determine if bridge is VLAN-aware or not */ |
2212 | zif = br_if->info; | |
2213 | assert(zif); | |
2214 | br = &zif->l2info.br; | |
2215 | bridge_vlan_aware = br->vlan_aware; | |
2216 | if (bridge_vlan_aware) { | |
2217 | struct zebra_l2info_vlan *vl; | |
2218 | ||
2219 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2220 | return NULL; | |
2221 | ||
2222 | zif = ifp->info; | |
2223 | assert(zif); | |
2224 | vl = &zif->l2info.vl; | |
2225 | vid = vl->vid; | |
2226 | } | |
2227 | ||
2228 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2229 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2230 | zns = zebra_ns_lookup(NS_DEFAULT); |
2231 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2232 | tmp_if = (struct interface *)rn->info; | |
2233 | if (!tmp_if) | |
2234 | continue; | |
d62a17ae | 2235 | zif = tmp_if->info; |
2236 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2237 | continue; | |
2238 | if (!if_is_operative(tmp_if)) | |
2239 | continue; | |
2240 | vxl = &zif->l2info.vxl; | |
2241 | ||
2242 | if (zif->brslave_info.br_if != br_if) | |
2243 | continue; | |
2244 | ||
2853fed6 | 2245 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2246 | found = 1; | |
d62a17ae | 2247 | break; |
2853fed6 | 2248 | } |
d62a17ae | 2249 | } |
2250 | ||
2853fed6 | 2251 | if (!found) |
d62a17ae | 2252 | return NULL; |
2253 | ||
2853fed6 | 2254 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2255 | return zvni; |
2232a77c | 2256 | } |
2257 | ||
2258 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2259 | * of two cases: | |
2260 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2261 | * linked to the bridge | |
2262 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2263 | * itself | |
2264 | */ | |
2853fed6 | 2265 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2266 | { |
2853fed6 | 2267 | struct zebra_ns *zns; |
2268 | struct route_node *rn; | |
2269 | struct interface *tmp_if = NULL; | |
d62a17ae | 2270 | struct zebra_if *zif; |
2271 | struct zebra_l2info_bridge *br; | |
2272 | struct zebra_l2info_vlan *vl; | |
2273 | u_char bridge_vlan_aware; | |
2853fed6 | 2274 | int found = 0; |
d62a17ae | 2275 | |
b5ebdc9b | 2276 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2277 | if (!br_if) | |
2278 | return NULL; | |
2279 | ||
d62a17ae | 2280 | /* Determine if bridge is VLAN-aware or not */ |
2281 | zif = br_if->info; | |
2282 | assert(zif); | |
2283 | br = &zif->l2info.br; | |
2284 | bridge_vlan_aware = br->vlan_aware; | |
2285 | ||
2286 | /* Check oper status of the SVI. */ | |
2287 | if (!bridge_vlan_aware) | |
2288 | return if_is_operative(br_if) ? br_if : NULL; | |
2289 | ||
2290 | /* Identify corresponding VLAN interface. */ | |
2291 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2292 | zns = zebra_ns_lookup(NS_DEFAULT); |
2293 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2294 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2295 | /* Check oper status of the SVI. */ |
2853fed6 | 2296 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2297 | continue; |
2298 | zif = tmp_if->info; | |
2299 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2300 | || zif->link != br_if) | |
2301 | continue; | |
2302 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2303 | ||
2853fed6 | 2304 | if (vl->vid == vid) { |
2305 | found = 1; | |
d62a17ae | 2306 | break; |
2853fed6 | 2307 | } |
d62a17ae | 2308 | } |
2309 | ||
2853fed6 | 2310 | return found ? tmp_if : NULL; |
2232a77c | 2311 | } |
2312 | ||
2313 | /* | |
2314 | * Install remote MAC into the kernel. | |
2315 | */ | |
d62a17ae | 2316 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2317 | { |
d62a17ae | 2318 | struct zebra_if *zif; |
2319 | struct zebra_l2info_vxlan *vxl; | |
2320 | u_char sticky; | |
2232a77c | 2321 | |
d62a17ae | 2322 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2323 | return 0; | |
2232a77c | 2324 | |
d62a17ae | 2325 | zif = zvni->vxlan_if->info; |
2326 | if (!zif) | |
2327 | return -1; | |
2328 | vxl = &zif->l2info.vxl; | |
2232a77c | 2329 | |
d62a17ae | 2330 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 2331 | |
d62a17ae | 2332 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2333 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2334 | } |
2335 | ||
2336 | /* | |
2337 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2338 | * moves to remote, we have to uninstall any existing local entry first. | |
2339 | */ | |
d62a17ae | 2340 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2341 | { |
d62a17ae | 2342 | struct zebra_if *zif; |
2343 | struct zebra_l2info_vxlan *vxl; | |
2344 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2345 | struct zebra_ns *zns; | |
2346 | struct interface *ifp; | |
2232a77c | 2347 | |
d62a17ae | 2348 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2349 | return 0; | |
2232a77c | 2350 | |
d62a17ae | 2351 | if (!zvni->vxlan_if) { |
2352 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2353 | zvni->vni, zvni); | |
2354 | return -1; | |
2355 | } | |
2232a77c | 2356 | |
d62a17ae | 2357 | zif = zvni->vxlan_if->info; |
2358 | if (!zif) | |
2359 | return -1; | |
2360 | vxl = &zif->l2info.vxl; | |
2232a77c | 2361 | |
d62a17ae | 2362 | if (local) { |
2363 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2364 | ifp = if_lookup_by_index_per_ns(zns, | |
2365 | mac->fwd_info.local.ifindex); | |
2366 | if (!ifp) // unexpected | |
2367 | return -1; | |
2368 | } else { | |
2369 | ifp = zvni->vxlan_if; | |
2370 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2371 | } | |
2232a77c | 2372 | |
d62a17ae | 2373 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2374 | local); | |
2232a77c | 2375 | } |
2376 | ||
2377 | /* | |
2378 | * Install MAC hash entry - called upon access VLAN change. | |
2379 | */ | |
d62a17ae | 2380 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2381 | { |
d62a17ae | 2382 | zebra_mac_t *mac; |
2383 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2384 | |
d62a17ae | 2385 | mac = (zebra_mac_t *)backet->data; |
2386 | if (!mac) | |
2387 | return; | |
2232a77c | 2388 | |
d62a17ae | 2389 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2390 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2391 | } |
2392 | ||
2393 | /* | |
2394 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2395 | * appropriate. | |
2396 | */ | |
d62a17ae | 2397 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2398 | int uninstall) | |
2232a77c | 2399 | { |
60466a63 QY |
2400 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2401 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2402 | return; |
2232a77c | 2403 | |
d62a17ae | 2404 | if (uninstall) |
2405 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2406 | |
d62a17ae | 2407 | zvni_mac_del(zvni, mac); |
2232a77c | 2408 | } |
2409 | ||
2410 | /* | |
2411 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2412 | */ | |
996c9314 | 2413 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2414 | { |
2853fed6 | 2415 | struct zebra_ns *zns; |
d62a17ae | 2416 | struct zebra_if *zif; |
2417 | struct interface *vlan_if; | |
2418 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2419 | struct interface *vrr_if; |
2232a77c | 2420 | |
d62a17ae | 2421 | zif = ifp->info; |
2422 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2423 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2424 | |
d62a17ae | 2425 | if (IS_ZEBRA_DEBUG_VXLAN) |
2426 | zlog_debug( | |
2853fed6 | 2427 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2428 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2429 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2430 | |
2853fed6 | 2431 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2432 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2433 | if (vlan_if) { |
2434 | ||
ead40654 MK |
2435 | /* Add SVI MAC-IP */ |
2436 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2437 | |
ead40654 MK |
2438 | /* Add VRR MAC-IP - if any*/ |
2439 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2440 | if (vrr_if) | |
2441 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2442 | |
2853fed6 | 2443 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2444 | } |
2232a77c | 2445 | } |
2446 | ||
2447 | /* | |
2448 | * Hash function for VNI. | |
2449 | */ | |
d62a17ae | 2450 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2451 | { |
d62a17ae | 2452 | const zebra_vni_t *zvni = p; |
2232a77c | 2453 | |
d62a17ae | 2454 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2455 | } |
2456 | ||
2457 | /* | |
2458 | * Compare 2 VNI hash entries. | |
2459 | */ | |
d62a17ae | 2460 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2461 | { |
d62a17ae | 2462 | const zebra_vni_t *zvni1 = p1; |
2463 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2464 | |
d62a17ae | 2465 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2466 | } |
2467 | ||
2468 | /* | |
2469 | * Callback to allocate VNI hash entry. | |
2470 | */ | |
d62a17ae | 2471 | static void *zvni_alloc(void *p) |
2232a77c | 2472 | { |
d62a17ae | 2473 | const zebra_vni_t *tmp_vni = p; |
2474 | zebra_vni_t *zvni; | |
2232a77c | 2475 | |
d62a17ae | 2476 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2477 | zvni->vni = tmp_vni->vni; | |
2478 | return ((void *)zvni); | |
2232a77c | 2479 | } |
2480 | ||
2481 | /* | |
2482 | * Look up VNI hash entry. | |
2483 | */ | |
2853fed6 | 2484 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2485 | { |
2853fed6 | 2486 | struct zebra_vrf *zvrf; |
d62a17ae | 2487 | zebra_vni_t tmp_vni; |
2488 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2489 | |
2853fed6 | 2490 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2491 | assert(zvrf); | |
d62a17ae | 2492 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2493 | tmp_vni.vni = vni; | |
2494 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2495 | |
d62a17ae | 2496 | return zvni; |
2232a77c | 2497 | } |
2498 | ||
2499 | /* | |
2500 | * Add VNI hash entry. | |
2501 | */ | |
2853fed6 | 2502 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2503 | { |
2853fed6 | 2504 | struct zebra_vrf *zvrf; |
d62a17ae | 2505 | zebra_vni_t tmp_zvni; |
2506 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2507 | |
2853fed6 | 2508 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2509 | assert(zvrf); | |
d62a17ae | 2510 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2511 | tmp_zvni.vni = vni; | |
2512 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2513 | assert(zvni); | |
2232a77c | 2514 | |
d62a17ae | 2515 | /* Create hash table for MAC */ |
2516 | zvni->mac_table = | |
2517 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2518 | |
d62a17ae | 2519 | /* Create hash table for neighbors */ |
2520 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2521 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2522 | |
d62a17ae | 2523 | return zvni; |
2232a77c | 2524 | } |
2525 | ||
2526 | /* | |
2527 | * Delete VNI hash entry. | |
2528 | */ | |
2853fed6 | 2529 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2530 | { |
2853fed6 | 2531 | struct zebra_vrf *zvrf; |
d62a17ae | 2532 | zebra_vni_t *tmp_zvni; |
2232a77c | 2533 | |
2853fed6 | 2534 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2535 | assert(zvrf); | |
2536 | ||
d62a17ae | 2537 | zvni->vxlan_if = NULL; |
2232a77c | 2538 | |
d62a17ae | 2539 | /* Free the neighbor hash table. */ |
2540 | hash_free(zvni->neigh_table); | |
2541 | zvni->neigh_table = NULL; | |
2232a77c | 2542 | |
d62a17ae | 2543 | /* Free the MAC hash table. */ |
2544 | hash_free(zvni->mac_table); | |
2545 | zvni->mac_table = NULL; | |
2232a77c | 2546 | |
d62a17ae | 2547 | /* Free the VNI hash entry and allocated memory. */ |
2548 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2549 | if (tmp_zvni) | |
2550 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2551 | |
d62a17ae | 2552 | return 0; |
2232a77c | 2553 | } |
2554 | ||
2555 | /* | |
2556 | * Inform BGP about local VNI addition. | |
2557 | */ | |
2853fed6 | 2558 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2559 | { |
d62a17ae | 2560 | struct zserv *client; |
2561 | struct stream *s; | |
2232a77c | 2562 | |
019a82cb | 2563 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2564 | /* BGP may not be running. */ |
2565 | if (!client) | |
2566 | return 0; | |
2232a77c | 2567 | |
d62a17ae | 2568 | s = client->obuf; |
2569 | stream_reset(s); | |
2232a77c | 2570 | |
7cf15b25 | 2571 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2572 | stream_putl(s, zvni->vni); |
2573 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2574 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2575 | |
d62a17ae | 2576 | /* Write packet size. */ |
2577 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2578 | |
d62a17ae | 2579 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2580 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2581 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2582 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2583 | zebra_route_string(client->proto)); |
2232a77c | 2584 | |
d62a17ae | 2585 | client->vniadd_cnt++; |
2586 | return zebra_server_send_message(client); | |
2232a77c | 2587 | } |
2588 | ||
2589 | /* | |
2590 | * Inform BGP about local VNI deletion. | |
2591 | */ | |
2853fed6 | 2592 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2593 | { |
d62a17ae | 2594 | struct zserv *client; |
2595 | struct stream *s; | |
2232a77c | 2596 | |
019a82cb | 2597 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2598 | /* BGP may not be running. */ |
2599 | if (!client) | |
2600 | return 0; | |
2232a77c | 2601 | |
d62a17ae | 2602 | s = client->obuf; |
2603 | stream_reset(s); | |
2232a77c | 2604 | |
7cf15b25 | 2605 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2606 | stream_putl(s, vni); |
2232a77c | 2607 | |
d62a17ae | 2608 | /* Write packet size. */ |
2609 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2610 | |
d62a17ae | 2611 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2612 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2613 | zebra_route_string(client->proto)); |
2232a77c | 2614 | |
d62a17ae | 2615 | client->vnidel_cnt++; |
2616 | return zebra_server_send_message(client); | |
2232a77c | 2617 | } |
2618 | ||
2619 | /* | |
2620 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2621 | * is called when EVPN (advertise-all-vni) is enabled. | |
2622 | */ | |
2853fed6 | 2623 | static void zvni_build_hash_table() |
2232a77c | 2624 | { |
2853fed6 | 2625 | struct zebra_ns *zns; |
2626 | struct route_node *rn; | |
d62a17ae | 2627 | struct interface *ifp; |
2232a77c | 2628 | |
d62a17ae | 2629 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2630 | zns = zebra_ns_lookup(NS_DEFAULT); |
2631 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2632 | vni_t vni; |
643215ce | 2633 | zebra_vni_t *zvni = NULL; |
2634 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2635 | struct zebra_if *zif; |
2636 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2637 | |
2853fed6 | 2638 | ifp = (struct interface *)rn->info; |
2639 | if (!ifp) | |
2640 | continue; | |
d62a17ae | 2641 | zif = ifp->info; |
2642 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2643 | continue; | |
2232a77c | 2644 | |
b7cfce93 | 2645 | vxl = &zif->l2info.vxl; |
d62a17ae | 2646 | vni = vxl->vni; |
2232a77c | 2647 | |
643215ce | 2648 | /* L3-VNI and L2-VNI are handled seperately */ |
2649 | zl3vni = zl3vni_lookup(vni); | |
2650 | if (zl3vni) { | |
2232a77c | 2651 | |
b7cfce93 | 2652 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2653 | zlog_debug( |
2654 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2655 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2656 | |
b7cfce93 | 2657 | /* associate with vxlan_if */ |
b67a60d2 | 2658 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2659 | zl3vni->vxlan_if = ifp; |
2232a77c | 2660 | |
523cafc4 | 2661 | /* |
2662 | * we need to associate with SVI. | |
b7cfce93 | 2663 | * we can associate with svi-if only after association |
523cafc4 | 2664 | * with vxlan-intf is complete |
2665 | */ | |
b7cfce93 MK |
2666 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2667 | ||
2668 | if (is_l3vni_oper_up(zl3vni)) | |
2669 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2670 | ||
2671 | } else { | |
b7cfce93 MK |
2672 | struct interface *vlan_if = NULL; |
2673 | ||
2674 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2675 | zlog_debug( | |
2676 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2677 | ifp->name, ifp->ifindex, vni, | |
2678 | inet_ntoa(vxl->vtep_ip)); | |
2679 | ||
2680 | /* VNI hash entry is not expected to exist. */ | |
2681 | zvni = zvni_lookup(vni); | |
2682 | if (zvni) { | |
2683 | zlog_err( | |
2684 | "VNI hash already present for IF %s(%u) L2-VNI %u", | |
2685 | ifp->name, ifp->ifindex, vni); | |
2686 | continue; | |
2687 | } | |
2688 | ||
2689 | zvni = zvni_add(vni); | |
2690 | if (!zvni) { | |
2691 | zlog_err( | |
2692 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", | |
2693 | ifp->name, ifp->ifindex, vni); | |
2694 | return; | |
2695 | } | |
2696 | ||
2697 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2698 | zvni->vxlan_if = ifp; | |
2699 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2700 | zif->brslave_info.br_if); | |
2701 | if (vlan_if) { | |
2702 | zvni->vrf_id = vlan_if->vrf_id; | |
2703 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2704 | if (zl3vni) | |
2705 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2706 | } | |
2707 | ||
2708 | ||
2709 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2710 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2711 | zvni_send_add_to_client(zvni); | |
2712 | } | |
d62a17ae | 2713 | } |
2232a77c | 2714 | } |
2715 | ||
2716 | /* | |
2717 | * See if remote VTEP matches with prefix. | |
2718 | */ | |
d62a17ae | 2719 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2720 | { |
d62a17ae | 2721 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2722 | } |
2723 | ||
2724 | /* | |
2725 | * Locate remote VTEP in VNI hash table. | |
2726 | */ | |
d62a17ae | 2727 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2728 | { |
d62a17ae | 2729 | zebra_vtep_t *zvtep; |
2232a77c | 2730 | |
d62a17ae | 2731 | if (!zvni) |
2732 | return NULL; | |
2232a77c | 2733 | |
d62a17ae | 2734 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2735 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2736 | break; | |
2737 | } | |
2232a77c | 2738 | |
d62a17ae | 2739 | return zvtep; |
2232a77c | 2740 | } |
2741 | ||
2742 | /* | |
2743 | * Add remote VTEP to VNI hash table. | |
2744 | */ | |
d62a17ae | 2745 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2746 | { |
d62a17ae | 2747 | zebra_vtep_t *zvtep; |
2232a77c | 2748 | |
d62a17ae | 2749 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2750 | if (!zvtep) { | |
2751 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2752 | return NULL; | |
2753 | } | |
2232a77c | 2754 | |
d62a17ae | 2755 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2756 | |
d62a17ae | 2757 | if (zvni->vteps) |
2758 | zvni->vteps->prev = zvtep; | |
2759 | zvtep->next = zvni->vteps; | |
2760 | zvni->vteps = zvtep; | |
2232a77c | 2761 | |
d62a17ae | 2762 | return zvtep; |
2232a77c | 2763 | } |
2764 | ||
2765 | /* | |
2766 | * Remove remote VTEP from VNI hash table. | |
2767 | */ | |
d62a17ae | 2768 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2769 | { |
d62a17ae | 2770 | if (zvtep->next) |
2771 | zvtep->next->prev = zvtep->prev; | |
2772 | if (zvtep->prev) | |
2773 | zvtep->prev->next = zvtep->next; | |
2774 | else | |
2775 | zvni->vteps = zvtep->next; | |
2232a77c | 2776 | |
d62a17ae | 2777 | zvtep->prev = zvtep->next = NULL; |
2778 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2779 | |
d62a17ae | 2780 | return 0; |
2232a77c | 2781 | } |
2782 | ||
2783 | /* | |
2784 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2785 | * uninstall from kernel if asked to. | |
2786 | */ | |
d62a17ae | 2787 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2788 | { |
d62a17ae | 2789 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2790 | |
d62a17ae | 2791 | if (!zvni) |
2792 | return -1; | |
2232a77c | 2793 | |
d62a17ae | 2794 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2795 | zvtep_next = zvtep->next; | |
2796 | if (uninstall) | |
2797 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2798 | zvni_vtep_del(zvni, zvtep); | |
2799 | } | |
2232a77c | 2800 | |
d62a17ae | 2801 | return 0; |
2232a77c | 2802 | } |
2803 | ||
2804 | /* | |
2805 | * Install remote VTEP into the kernel. | |
2806 | */ | |
d62a17ae | 2807 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2808 | { |
d62a17ae | 2809 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2810 | } |
2811 | ||
2812 | /* | |
2813 | * Uninstall remote VTEP from the kernel. | |
2814 | */ | |
d62a17ae | 2815 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2816 | { |
d62a17ae | 2817 | if (!zvni->vxlan_if) { |
2818 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2819 | zvni->vni, zvni); | |
2820 | return -1; | |
2821 | } | |
2232a77c | 2822 | |
d62a17ae | 2823 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2824 | } |
2825 | ||
2826 | /* | |
2827 | * Cleanup VNI/VTEP and update kernel | |
2828 | */ | |
84915b0a | 2829 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 2830 | { |
b7cfce93 MK |
2831 | zebra_vni_t *zvni = NULL; |
2832 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 2833 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 2834 | |
d62a17ae | 2835 | zvni = (zebra_vni_t *)backet->data; |
2836 | if (!zvni) | |
2837 | return; | |
2232a77c | 2838 | |
b7cfce93 | 2839 | /* remove from l3-vni list */ |
84915b0a | 2840 | if (zvrf->l3vni) |
2841 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
2842 | if (zl3vni) |
2843 | listnode_delete(zl3vni->l2vnis, zvni); | |
2844 | ||
d62a17ae | 2845 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 2846 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
2847 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 2848 | |
d62a17ae | 2849 | /* Free up all remote VTEPs, if any. */ |
2850 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 2851 | |
d62a17ae | 2852 | /* Delete the hash entry. */ |
2853fed6 | 2853 | zvni_del(zvni); |
2232a77c | 2854 | } |
2855 | ||
655b04d1 | 2856 | /* cleanup L3VNI */ |
996c9314 | 2857 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
2858 | { |
2859 | zebra_l3vni_t *zl3vni = NULL; | |
2860 | ||
2861 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2862 | if (!zl3vni) | |
2863 | return; | |
2864 | ||
2865 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2866 | } | |
2867 | ||
996c9314 | 2868 | static int is_host_present_in_host_list(struct list *list, struct prefix *host) |
6134fd82 | 2869 | { |
2870 | struct listnode *node = NULL; | |
2871 | struct prefix *p = NULL; | |
2872 | ||
2873 | for (ALL_LIST_ELEMENTS_RO(list, node, p)) { | |
2874 | if (prefix_same(p, host)) | |
2875 | return 1; | |
2876 | } | |
2877 | return 0; | |
2878 | } | |
2879 | ||
996c9314 | 2880 | static void host_list_add_host(struct list *list, struct prefix *host) |
6134fd82 | 2881 | { |
2882 | struct prefix *p = NULL; | |
2883 | ||
2884 | p = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct prefix)); | |
2885 | memcpy(p, host, sizeof(struct prefix)); | |
2886 | ||
2887 | listnode_add_sort(list, p); | |
2888 | } | |
2889 | ||
996c9314 | 2890 | static void host_list_delete_host(struct list *list, struct prefix *host) |
6134fd82 | 2891 | { |
2892 | struct listnode *node = NULL, *nnode = NULL, *node_to_del = NULL; | |
2893 | struct prefix *p = NULL; | |
2894 | ||
2895 | for (ALL_LIST_ELEMENTS(list, node, nnode, p)) { | |
2896 | if (prefix_same(p, host)) { | |
2897 | XFREE(MTYPE_HOST_PREFIX, p); | |
2898 | node_to_del = node; | |
2899 | } | |
2900 | } | |
2901 | ||
2902 | if (node_to_del) | |
2903 | list_delete_node(list, node_to_del); | |
2904 | } | |
2905 | ||
b7cfce93 MK |
2906 | /* |
2907 | * Look up MAC hash entry. | |
2908 | */ | |
2dbad57f | 2909 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2910 | struct ethaddr *rmac) |
2911 | { | |
2912 | zebra_mac_t tmp; | |
2913 | zebra_mac_t *pmac; | |
2914 | ||
2915 | memset(&tmp, 0, sizeof(tmp)); | |
2916 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
2917 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 2918 | |
b7cfce93 | 2919 | return pmac; |
2dbad57f | 2920 | } |
2232a77c | 2921 | |
cec2e17d | 2922 | /* |
b7cfce93 | 2923 | * Callback to allocate RMAC hash entry. |
cec2e17d | 2924 | */ |
2dbad57f | 2925 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 2926 | { |
b7cfce93 MK |
2927 | const zebra_mac_t *tmp_rmac = p; |
2928 | zebra_mac_t *zrmac; | |
d62a17ae | 2929 | |
b7cfce93 MK |
2930 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2931 | *zrmac = *tmp_rmac; | |
d62a17ae | 2932 | |
b7cfce93 | 2933 | return ((void *)zrmac); |
2dbad57f | 2934 | } |
cd233079 | 2935 | |
b7cfce93 MK |
2936 | /* |
2937 | * Add RMAC entry to l3-vni | |
2938 | */ | |
996c9314 | 2939 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
2940 | { |
2941 | zebra_mac_t tmp_rmac; | |
2942 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 2943 | |
b7cfce93 MK |
2944 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
2945 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
2946 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
2947 | assert(zrmac); | |
d62a17ae | 2948 | |
6134fd82 | 2949 | zrmac->host_list = list_new(); |
2950 | zrmac->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
b7cfce93 | 2951 | |
2dbad57f | 2952 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
2953 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
2954 | ||
b7cfce93 | 2955 | return zrmac; |
2dbad57f | 2956 | } |
cec2e17d | 2957 | |
2958 | /* | |
b7cfce93 | 2959 | * Delete MAC entry. |
cec2e17d | 2960 | */ |
996c9314 | 2961 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 2962 | { |
b7cfce93 | 2963 | zebra_mac_t *tmp_rmac; |
cd233079 | 2964 | |
55aabf6f | 2965 | if (zrmac->host_list) |
bb7a24ab | 2966 | list_delete_and_null(&zrmac->host_list); |
55aabf6f | 2967 | zrmac->host_list = NULL; |
cd233079 | 2968 | |
b7cfce93 MK |
2969 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
2970 | if (tmp_rmac) | |
2971 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 2972 | |
b7cfce93 | 2973 | return 0; |
2dbad57f | 2974 | } |
cec2e17d | 2975 | |
2976 | /* | |
b7cfce93 | 2977 | * Install remote RMAC into the kernel. |
cec2e17d | 2978 | */ |
996c9314 | 2979 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 2980 | { |
b7cfce93 MK |
2981 | struct zebra_if *zif = NULL; |
2982 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 2983 | |
996c9314 LB |
2984 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
2985 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
2986 | return 0; |
2987 | ||
2988 | zif = zl3vni->vxlan_if->info; | |
2989 | if (!zif) | |
2990 | return -1; | |
2991 | ||
2992 | vxl = &zif->l2info.vxl; | |
2993 | ||
2994 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 2995 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 2996 | } |
b7cfce93 MK |
2997 | |
2998 | /* | |
2999 | * Uninstall remote RMAC from the kernel. | |
3000 | */ | |
996c9314 | 3001 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3002 | { |
3003 | char buf[ETHER_ADDR_STRLEN]; | |
3004 | struct zebra_if *zif = NULL; | |
3005 | struct zebra_l2info_vxlan *vxl = NULL; | |
3006 | ||
996c9314 LB |
3007 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3008 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3009 | return 0; |
3010 | ||
3011 | if (!zl3vni->vxlan_if) { | |
523cafc4 | 3012 | zlog_err( |
996c9314 LB |
3013 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3014 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3015 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3016 | return -1; |
3017 | } | |
3018 | ||
3019 | zif = zl3vni->vxlan_if->info; | |
3020 | if (!zif) | |
3021 | return -1; | |
3022 | ||
3023 | vxl = &zif->l2info.vxl; | |
3024 | ||
3025 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3026 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3027 | } |
3028 | ||
3029 | /* handle rmac add */ | |
996c9314 | 3030 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3031 | struct ipaddr *vtep_ip, |
3032 | struct prefix *host_prefix) | |
2dbad57f | 3033 | { |
3034 | char buf[ETHER_ADDR_STRLEN]; | |
3035 | char buf1[INET6_ADDRSTRLEN]; | |
3036 | zebra_mac_t *zrmac = NULL; | |
3037 | ||
3038 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3039 | if (!zrmac) { | |
3040 | ||
3041 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3042 | if (!zrmac) { | |
3043 | zlog_warn( | |
3044 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
996c9314 LB |
3045 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3046 | zl3vni->vni, | |
3047 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3048 | return -1; |
3049 | } | |
3050 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3051 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3052 | ||
3053 | /* install rmac in kernel */ | |
3054 | zl3vni_rmac_install(zl3vni, zrmac); | |
3055 | } | |
6134fd82 | 3056 | |
3057 | if (!is_host_present_in_host_list(zrmac->host_list, host_prefix)) | |
3058 | host_list_add_host(zrmac->host_list, host_prefix); | |
2dbad57f | 3059 | return 0; |
3060 | } | |
3061 | ||
3062 | ||
3063 | /* handle rmac delete */ | |
996c9314 | 3064 | static int zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3065 | struct prefix *host_prefix) |
2dbad57f | 3066 | { |
3067 | zebra_mac_t *zrmac = NULL; | |
3068 | ||
3069 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3070 | if (!zrmac) | |
3071 | return -1; | |
3072 | ||
6134fd82 | 3073 | host_list_delete_host(zrmac->host_list, host_prefix); |
3074 | if (list_isempty(zrmac->host_list)) { | |
2dbad57f | 3075 | |
3076 | /* uninstall from kernel */ | |
3077 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3078 | ||
3079 | /* del the rmac entry */ | |
3080 | zl3vni_rmac_del(zl3vni, zrmac); | |
3081 | } | |
3082 | return 0; | |
3083 | } | |
b7cfce93 MK |
3084 | |
3085 | /* | |
3086 | * Look up nh hash entry on a l3-vni. | |
3087 | */ | |
996c9314 | 3088 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3089 | { |
3090 | zebra_neigh_t tmp; | |
3091 | zebra_neigh_t *n; | |
3092 | ||
3093 | memset(&tmp, 0, sizeof(tmp)); | |
3094 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3095 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3096 | ||
3097 | return n; | |
2dbad57f | 3098 | } |
b7cfce93 MK |
3099 | |
3100 | ||
3101 | /* | |
3102 | * Callback to allocate NH hash entry on L3-VNI. | |
3103 | */ | |
2dbad57f | 3104 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3105 | { |
3106 | const zebra_neigh_t *tmp_n = p; | |
3107 | zebra_neigh_t *n; | |
3108 | ||
3109 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3110 | *n = *tmp_n; | |
3111 | ||
3112 | return ((void *)n); | |
2dbad57f | 3113 | } |
b7cfce93 MK |
3114 | |
3115 | /* | |
3116 | * Add neighbor entry. | |
3117 | */ | |
996c9314 | 3118 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3119 | struct ethaddr *mac) |
3120 | { | |
3121 | zebra_neigh_t tmp_n; | |
3122 | zebra_neigh_t *n = NULL; | |
3123 | ||
3124 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3125 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3126 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3127 | assert(n); | |
3128 | ||
6134fd82 | 3129 | n->host_list = list_new(); |
3130 | n->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
3131 | ||
b7cfce93 | 3132 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3133 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3134 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3135 | |
3136 | return n; | |
2dbad57f | 3137 | } |
b7cfce93 MK |
3138 | |
3139 | /* | |
3140 | * Delete neighbor entry. | |
3141 | */ | |
996c9314 | 3142 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3143 | { |
3144 | zebra_neigh_t *tmp_n; | |
3145 | ||
55aabf6f | 3146 | if (n->host_list) |
bb7a24ab | 3147 | list_delete_and_null(&n->host_list); |
55aabf6f MK |
3148 | n->host_list = NULL; |
3149 | ||
b7cfce93 MK |
3150 | tmp_n = hash_release(zl3vni->nh_table, n); |
3151 | if (tmp_n) | |
3152 | XFREE(MTYPE_NEIGH, tmp_n); | |
3153 | ||
3154 | return 0; | |
2dbad57f | 3155 | } |
b7cfce93 MK |
3156 | |
3157 | /* | |
3158 | * Install remote nh as neigh into the kernel. | |
3159 | */ | |
996c9314 | 3160 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3161 | { |
3162 | if (!is_l3vni_oper_up(zl3vni)) | |
3163 | return -1; | |
3164 | ||
996c9314 LB |
3165 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3166 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3167 | return 0; |
3168 | ||
3169 | return kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac); | |
2dbad57f | 3170 | } |
b7cfce93 MK |
3171 | |
3172 | /* | |
3173 | * Uninstall remote nh from the kernel. | |
3174 | */ | |
996c9314 | 3175 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3176 | { |
996c9314 LB |
3177 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3178 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3179 | return 0; |
3180 | ||
fa409e1e | 3181 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3182 | return 0; | |
3183 | ||
b7cfce93 | 3184 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3185 | } |
3186 | ||
3187 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3188 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3189 | struct ethaddr *rmac, |
3190 | struct prefix *host_prefix) | |
2dbad57f | 3191 | { |
3192 | char buf[ETHER_ADDR_STRLEN]; | |
3193 | char buf1[INET6_ADDRSTRLEN]; | |
3194 | zebra_neigh_t *nh = NULL; | |
3195 | ||
3196 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3197 | if (!nh) { | |
3198 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3199 | if (!nh) { | |
3200 | ||
3201 | zlog_warn( | |
3202 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
996c9314 LB |
3203 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3204 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3205 | zl3vni->vni); |
3206 | return -1; | |
3207 | } | |
3208 | ||
3209 | /* install the nh neigh in kernel */ | |
3210 | zl3vni_nh_install(zl3vni, nh); | |
3211 | } | |
6134fd82 | 3212 | |
3213 | if (!is_host_present_in_host_list(nh->host_list, host_prefix)) | |
3214 | host_list_add_host(nh->host_list, host_prefix); | |
3215 | ||
2dbad57f | 3216 | return 0; |
3217 | } | |
3218 | ||
3219 | /* handle nh neigh delete */ | |
996c9314 | 3220 | static int zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3221 | struct prefix *host_prefix) |
2dbad57f | 3222 | { |
3223 | zebra_neigh_t *nh = NULL; | |
3224 | ||
3225 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3226 | if (!nh) | |
3227 | return -1; | |
3228 | ||
6134fd82 | 3229 | host_list_delete_host(nh->host_list, host_prefix); |
3230 | if (list_isempty(nh->host_list)) { | |
2dbad57f | 3231 | |
3232 | /* uninstall from kernel */ | |
3233 | zl3vni_nh_uninstall(zl3vni, nh); | |
3234 | ||
3235 | /* delete the nh entry */ | |
3236 | zl3vni_nh_del(zl3vni, nh); | |
3237 | } | |
3238 | ||
3239 | return 0; | |
3240 | } | |
b7cfce93 | 3241 | |
3bcbba10 | 3242 | /* handle neigh update from kernel - the only thing of interest is to |
3243 | * readd stale entries. | |
3244 | */ | |
996c9314 LB |
3245 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
3246 | u_int16_t state) | |
3bcbba10 | 3247 | { |
c05a738b | 3248 | #ifdef GNU_LINUX |
3bcbba10 | 3249 | zebra_neigh_t *n = NULL; |
3250 | ||
3251 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3252 | if (!n) | |
3253 | return 0; | |
3254 | ||
3255 | /* all next hop neigh are remote and installed by frr. | |
3256 | * If the kernel has aged this entry, re-install. | |
3257 | */ | |
3258 | if (state & NUD_STALE) | |
3259 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3260 | #endif |
3bcbba10 | 3261 | return 0; |
3262 | } | |
3263 | ||
8c9b80b9 | 3264 | /* handle neigh delete from kernel */ |
996c9314 | 3265 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3266 | { |
3267 | zebra_neigh_t *n = NULL; | |
3268 | ||
3269 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3270 | if (!n) | |
3271 | return 0; | |
3272 | ||
3273 | /* all next hop neigh are remote and installed by frr. | |
3274 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3275 | * install it back |
3276 | */ | |
8c9b80b9 MK |
3277 | zl3vni_nh_install(zl3vni, n); |
3278 | ||
3279 | return 0; | |
3280 | } | |
3281 | ||
b7cfce93 MK |
3282 | /* |
3283 | * Hash function for L3 VNI. | |
3284 | */ | |
3285 | static unsigned int l3vni_hash_keymake(void *p) | |
3286 | { | |
3287 | const zebra_l3vni_t *zl3vni = p; | |
3288 | ||
3289 | return jhash_1word(zl3vni->vni, 0); | |
3290 | } | |
3291 | ||
3292 | /* | |
3293 | * Compare 2 L3 VNI hash entries. | |
3294 | */ | |
3295 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3296 | { | |
3297 | const zebra_l3vni_t *zl3vni1 = p1; | |
3298 | const zebra_l3vni_t *zl3vni2 = p2; | |
3299 | ||
3300 | return (zl3vni1->vni == zl3vni2->vni); | |
3301 | } | |
3302 | ||
3303 | /* | |
3304 | * Callback to allocate L3 VNI hash entry. | |
3305 | */ | |
3306 | static void *zl3vni_alloc(void *p) | |
3307 | { | |
3308 | zebra_l3vni_t *zl3vni = NULL; | |
3309 | const zebra_l3vni_t *tmp_l3vni = p; | |
3310 | ||
3311 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3312 | zl3vni->vni = tmp_l3vni->vni; | |
3313 | return ((void *)zl3vni); | |
3314 | } | |
3315 | ||
3316 | /* | |
3317 | * Look up L3 VNI hash entry. | |
3318 | */ | |
3319 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3320 | { | |
3321 | struct zebra_ns *zns; | |
3322 | zebra_l3vni_t tmp_l3vni; | |
3323 | zebra_l3vni_t *zl3vni = NULL; | |
3324 | ||
3325 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3326 | assert(zns); | |
3327 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3328 | tmp_l3vni.vni = vni; | |
3329 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3330 | ||
3331 | return zl3vni; | |
3332 | } | |
3333 | ||
3334 | /* | |
3335 | * Add L3 VNI hash entry. | |
3336 | */ | |
3337 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3338 | { | |
3339 | zebra_l3vni_t tmp_zl3vni; | |
3340 | struct zebra_ns *zns = NULL; | |
3341 | zebra_l3vni_t *zl3vni = NULL; | |
3342 | ||
3343 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3344 | assert(zns); | |
3345 | ||
3346 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3347 | tmp_zl3vni.vni = vni; | |
3348 | ||
3349 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3350 | assert(zl3vni); | |
3351 | ||
3352 | zl3vni->vrf_id = vrf_id; | |
3353 | zl3vni->svi_if = NULL; | |
3354 | zl3vni->vxlan_if = NULL; | |
3355 | zl3vni->l2vnis = list_new(); | |
3356 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3357 | ||
3358 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3359 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3360 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3361 | |
3362 | /* Create hash table for neighbors */ | |
3363 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3364 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3365 | |
3366 | return zl3vni; | |
3367 | } | |
3368 | ||
3369 | /* | |
3370 | * Delete L3 VNI hash entry. | |
3371 | */ | |
3372 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3373 | { | |
3374 | struct zebra_ns *zns; | |
3375 | zebra_l3vni_t *tmp_zl3vni; | |
3376 | ||
3377 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3378 | assert(zns); | |
3379 | ||
3380 | /* free the list of l2vnis */ | |
3381 | list_delete_and_null(&zl3vni->l2vnis); | |
3382 | zl3vni->l2vnis = NULL; | |
3383 | ||
3384 | /* Free the rmac table */ | |
3385 | hash_free(zl3vni->rmac_table); | |
3386 | zl3vni->rmac_table = NULL; | |
3387 | ||
3388 | /* Free the nh table */ | |
3389 | hash_free(zl3vni->nh_table); | |
3390 | zl3vni->nh_table = NULL; | |
3391 | ||
3392 | /* Free the VNI hash entry and allocated memory. */ | |
3393 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3394 | if (tmp_zl3vni) | |
3395 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3396 | ||
3397 | return 0; | |
3398 | } | |
3399 | ||
b7cfce93 MK |
3400 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3401 | { | |
3402 | struct zebra_ns *zns = NULL; | |
3403 | struct route_node *rn = NULL; | |
3404 | struct interface *ifp = NULL; | |
3405 | ||
3406 | /* loop through all vxlan-interface */ | |
3407 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3408 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3409 | ||
3410 | struct zebra_if *zif = NULL; | |
3411 | struct zebra_l2info_vxlan *vxl = NULL; | |
3412 | ||
3413 | ifp = (struct interface *)rn->info; | |
3414 | if (!ifp) | |
3415 | continue; | |
3416 | ||
3417 | zif = ifp->info; | |
3418 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3419 | continue; | |
3420 | ||
3421 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3422 | if (vxl->vni == zl3vni->vni) { |
3423 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3424 | return ifp; |
b67a60d2 | 3425 | } |
b7cfce93 MK |
3426 | } |
3427 | ||
3428 | return NULL; | |
3429 | } | |
3430 | ||
3431 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3432 | { | |
996c9314 | 3433 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3434 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3435 | ||
2aeb403d | 3436 | if (!zl3vni) |
3437 | return NULL; | |
3438 | ||
b7cfce93 MK |
3439 | if (!zl3vni->vxlan_if) |
3440 | return NULL; | |
3441 | ||
3442 | zif = zl3vni->vxlan_if->info; | |
3443 | if (!zif) | |
3444 | return NULL; | |
3445 | ||
3446 | vxl = &zif->l2info.vxl; | |
3447 | ||
3448 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3449 | } | |
3450 | ||
3451 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3452 | { | |
3453 | struct zebra_vrf *zvrf = NULL; | |
3454 | ||
3455 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3456 | if (!zvrf) | |
3457 | return NULL; | |
3458 | ||
3459 | return zl3vni_lookup(zvrf->l3vni); | |
3460 | } | |
3461 | ||
3462 | /* | |
3463 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3464 | * neighbor notifications, to see if they are of interest. | |
3465 | */ | |
3466 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3467 | struct interface *br_if) | |
3468 | { | |
3469 | int found = 0; | |
3470 | vlanid_t vid = 0; | |
3471 | u_char bridge_vlan_aware = 0; | |
3472 | zebra_l3vni_t *zl3vni = NULL; | |
3473 | struct zebra_ns *zns = NULL; | |
3474 | struct route_node *rn = NULL; | |
3475 | struct zebra_if *zif = NULL; | |
3476 | struct interface *tmp_if = NULL; | |
3477 | struct zebra_l2info_bridge *br = NULL; | |
3478 | struct zebra_l2info_vxlan *vxl = NULL; | |
3479 | ||
3480 | if (!br_if) | |
3481 | return NULL; | |
3482 | ||
3483 | /* Make sure the linked interface is a bridge. */ | |
3484 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3485 | return NULL; | |
3486 | ||
3487 | /* Determine if bridge is VLAN-aware or not */ | |
3488 | zif = br_if->info; | |
3489 | assert(zif); | |
3490 | br = &zif->l2info.br; | |
3491 | bridge_vlan_aware = br->vlan_aware; | |
3492 | if (bridge_vlan_aware) { | |
3493 | struct zebra_l2info_vlan *vl; | |
3494 | ||
3495 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3496 | return NULL; | |
3497 | ||
3498 | zif = ifp->info; | |
3499 | assert(zif); | |
3500 | vl = &zif->l2info.vl; | |
3501 | vid = vl->vid; | |
3502 | } | |
3503 | ||
3504 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3505 | /* TODO: Optimize with a hash. */ | |
3506 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3507 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3508 | tmp_if = (struct interface *)rn->info; | |
3509 | if (!tmp_if) | |
3510 | continue; | |
3511 | zif = tmp_if->info; | |
3512 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3513 | continue; | |
3514 | if (!if_is_operative(tmp_if)) | |
3515 | continue; | |
3516 | vxl = &zif->l2info.vxl; | |
3517 | ||
3518 | if (zif->brslave_info.br_if != br_if) | |
3519 | continue; | |
3520 | ||
3521 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3522 | found = 1; | |
3523 | break; | |
3524 | } | |
3525 | } | |
3526 | ||
3527 | if (!found) | |
3528 | return NULL; | |
3529 | ||
3530 | zl3vni = zl3vni_lookup(vxl->vni); | |
3531 | return zl3vni; | |
3532 | } | |
3533 | ||
3534 | /* | |
3535 | * Inform BGP about l3-vni. | |
3536 | */ | |
3537 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3538 | { | |
3539 | struct stream *s = NULL; | |
3540 | struct zserv *client = NULL; | |
3541 | struct ethaddr rmac; | |
3542 | char buf[ETHER_ADDR_STRLEN]; | |
3543 | ||
6f3a2003 | 3544 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3545 | /* BGP may not be running. */ |
3546 | if (!client) | |
3547 | return 0; | |
3548 | ||
3549 | /* get the rmac */ | |
3550 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3551 | zl3vni_get_rmac(zl3vni, &rmac); | |
3552 | ||
3553 | s = client->obuf; | |
3554 | stream_reset(s); | |
3555 | ||
996c9314 | 3556 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3557 | stream_putl(s, zl3vni->vni); |
3558 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3559 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3560 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3561 | |
3562 | /* Write packet size. */ | |
3563 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3564 | ||
3565 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3566 | zlog_debug( |
996c9314 LB |
3567 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3568 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3569 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3570 | inet_ntoa(zl3vni->local_vtep_ip), | |
3571 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3572 | ? "prefix-routes-only" | |
3573 | : "none", | |
3574 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3575 | |
3576 | client->l3vniadd_cnt++; | |
3577 | return zebra_server_send_message(client); | |
3578 | } | |
3579 | ||
3580 | /* | |
3581 | * Inform BGP about local l3-VNI deletion. | |
3582 | */ | |
3583 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3584 | { | |
3585 | struct stream *s = NULL; | |
3586 | struct zserv *client = NULL; | |
3587 | ||
6f3a2003 | 3588 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3589 | /* BGP may not be running. */ |
3590 | if (!client) | |
3591 | return 0; | |
3592 | ||
3593 | s = client->obuf; | |
3594 | stream_reset(s); | |
3595 | ||
996c9314 | 3596 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3597 | stream_putl(s, zl3vni->vni); |
3598 | ||
3599 | /* Write packet size. */ | |
3600 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3601 | ||
3602 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3603 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3604 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3605 | zebra_route_string(client->proto)); | |
3606 | ||
3607 | client->l3vnidel_cnt++; | |
3608 | return zebra_server_send_message(client); | |
3609 | } | |
3610 | ||
3611 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3612 | { | |
2aeb403d | 3613 | if (!zl3vni) |
3614 | return; | |
3615 | ||
b7cfce93 MK |
3616 | /* send l3vni add to BGP */ |
3617 | zl3vni_send_add_to_client(zl3vni); | |
3618 | } | |
3619 | ||
3620 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3621 | { | |
2aeb403d | 3622 | if (!zl3vni) |
3623 | return; | |
3624 | ||
b7cfce93 MK |
3625 | /* send l3-vni del to BGP*/ |
3626 | zl3vni_send_del_to_client(zl3vni); | |
3627 | } | |
3628 | ||
996c9314 | 3629 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3630 | { |
996c9314 LB |
3631 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3632 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3633 | |
3634 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3635 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3636 | } | |
3637 | ||
b7cfce93 MK |
3638 | /* |
3639 | * handle transition of vni from l2 to l3 and vice versa | |
3640 | */ | |
996c9314 LB |
3641 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3642 | int add) | |
b7cfce93 MK |
3643 | { |
3644 | zebra_vni_t *zvni = NULL; | |
3645 | ||
3646 | /* There is a possibility that VNI notification was already received | |
3647 | * from kernel and we programmed it as L2-VNI | |
3648 | * In such a case we need to delete this L2-VNI first, so | |
3649 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3650 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3651 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3652 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3653 | */ | |
b7cfce93 MK |
3654 | if (add) { |
3655 | /* Locate hash entry */ | |
3656 | zvni = zvni_lookup(vni); | |
3657 | if (!zvni) | |
3658 | return 0; | |
3659 | ||
3660 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3661 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3662 | |
3663 | /* Delete VNI from BGP. */ | |
3664 | zvni_send_del_to_client(zvni->vni); | |
3665 | ||
3666 | /* Free up all neighbors and MAC, if any. */ | |
3667 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3668 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3669 | ||
3670 | /* Free up all remote VTEPs, if any. */ | |
3671 | zvni_vtep_del_all(zvni, 0); | |
3672 | ||
3673 | /* Delete the hash entry. */ | |
3674 | if (zvni_del(zvni)) { | |
996c9314 LB |
3675 | zlog_err("Failed to del VNI hash %p, VNI %u", zvni, |
3676 | zvni->vni); | |
b7cfce93 MK |
3677 | return -1; |
3678 | } | |
3679 | } else { | |
3680 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3681 | * enough information at this point to reprogram the vni as | |
3682 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3683 | * used it solely for this purpose |
3684 | */ | |
b7cfce93 MK |
3685 | } |
3686 | ||
3687 | return 0; | |
3688 | } | |
3689 | ||
5e06422c | 3690 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3691 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3692 | { |
3693 | zebra_mac_t *zrmac = NULL; | |
3694 | zebra_l3vni_t *zl3vni = NULL; | |
3695 | ||
3696 | zrmac = (zebra_mac_t *)backet->data; | |
3697 | zl3vni = (zebra_l3vni_t *)ctx; | |
3698 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3699 | zl3vni_rmac_del(zl3vni, zrmac); | |
3700 | } | |
3701 | ||
3702 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3703 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3704 | { |
3705 | zebra_neigh_t *n = NULL; | |
3706 | zebra_l3vni_t *zl3vni = NULL; | |
3707 | ||
3708 | n = (zebra_neigh_t *)backet->data; | |
3709 | zl3vni = (zebra_l3vni_t *)ctx; | |
3710 | zl3vni_nh_uninstall(zl3vni, n); | |
3711 | zl3vni_nh_del(zl3vni, n); | |
3712 | } | |
3713 | ||
996c9314 LB |
3714 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3715 | uint16_t cmd) | |
31310b25 MK |
3716 | { |
3717 | struct zserv *client = NULL; | |
3718 | struct stream *s = NULL; | |
3719 | char buf[PREFIX_STRLEN]; | |
3720 | ||
317f1fe0 | 3721 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3722 | /* BGP may not be running. */ |
3723 | if (!client) | |
3724 | return 0; | |
3725 | ||
3726 | s = client->obuf; | |
3727 | stream_reset(s); | |
3728 | ||
22bd3e94 | 3729 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3730 | stream_put(s, p, sizeof(struct prefix)); |
3731 | ||
3732 | /* Write packet size. */ | |
3733 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3734 | ||
3735 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3736 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
3737 | prefix2str(p, buf, sizeof(buf)), |
3738 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
3739 | vrf_id_to_name(vrf_id)); | |
3740 | ||
3741 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
3742 | client->prefixadd_cnt++; | |
3743 | else | |
3744 | client->prefixdel_cnt++; | |
3745 | ||
3746 | return zebra_server_send_message(client); | |
3747 | } | |
3748 | ||
a9a76262 MK |
3749 | /* re-add remote rmac if needed */ |
3750 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 3751 | struct ethaddr *rmac) |
a9a76262 MK |
3752 | { |
3753 | char buf[ETHER_ADDR_STRLEN]; | |
3754 | zebra_mac_t *zrmac = NULL; | |
3755 | ||
3756 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3757 | if (!zrmac) | |
3758 | return 0; | |
3759 | ||
3760 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3761 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 3762 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
3763 | |
3764 | zl3vni_rmac_install(zl3vni, zrmac); | |
3765 | return 0; | |
3766 | } | |
3767 | ||
b7cfce93 MK |
3768 | /* Public functions */ |
3769 | ||
c48d9f5f MK |
3770 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
3771 | { | |
3772 | zebra_l3vni_t *zl3vni = NULL; | |
3773 | ||
3774 | zl3vni = zl3vni_lookup(vni); | |
3775 | if (!zl3vni) | |
3776 | return 0; | |
3777 | ||
3778 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
3779 | } | |
3780 | ||
2dbad57f | 3781 | /* handle evpn route in vrf table */ |
996c9314 LB |
3782 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
3783 | struct ipaddr *vtep_ip, | |
3784 | struct prefix *host_prefix) | |
2dbad57f | 3785 | { |
3786 | zebra_l3vni_t *zl3vni = NULL; | |
3787 | ||
3788 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3789 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3790 | return; | |
3791 | ||
3792 | /* add the next hop neighbor */ | |
6134fd82 | 3793 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 3794 | |
3795 | /* add the rmac */ | |
6134fd82 | 3796 | zl3vni_remote_rmac_add(zl3vni, rmac, vtep_ip, host_prefix); |
2dbad57f | 3797 | } |
3798 | ||
3799 | /* handle evpn vrf route delete */ | |
996c9314 LB |
3800 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, struct ethaddr *rmac, |
3801 | struct ipaddr *vtep_ip, | |
3802 | struct prefix *host_prefix) | |
2dbad57f | 3803 | { |
3804 | zebra_l3vni_t *zl3vni = NULL; | |
3805 | ||
3806 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 3807 | if (!zl3vni) |
2dbad57f | 3808 | return; |
3809 | ||
3810 | /* delete the next hop entry */ | |
6134fd82 | 3811 | zl3vni_remote_nh_del(zl3vni, vtep_ip, host_prefix); |
2dbad57f | 3812 | |
3813 | /* delete the rmac entry */ | |
6134fd82 | 3814 | zl3vni_remote_rmac_del(zl3vni, rmac, host_prefix); |
2dbad57f | 3815 | } |
3816 | ||
996c9314 | 3817 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
316f4ca4 MK |
3818 | struct ethaddr *rmac, |
3819 | u_char use_json) | |
9aa741ea MK |
3820 | { |
3821 | zebra_l3vni_t *zl3vni = NULL; | |
3822 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 3823 | json_object *json = NULL; |
9aa741ea | 3824 | |
316f4ca4 MK |
3825 | if (!is_evpn_enabled()) { |
3826 | if (use_json) | |
3827 | vty_out(vty, "{}\n"); | |
9aa741ea | 3828 | return; |
316f4ca4 MK |
3829 | } |
3830 | ||
3831 | if (use_json) | |
3832 | json = json_object_new_object(); | |
9aa741ea MK |
3833 | |
3834 | zl3vni = zl3vni_lookup(l3vni); | |
3835 | if (!zl3vni) { | |
316f4ca4 MK |
3836 | if (use_json) |
3837 | vty_out(vty, "{}\n"); | |
3838 | else | |
996c9314 | 3839 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
3840 | return; |
3841 | } | |
3842 | ||
3843 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3844 | if (!zrmac) { | |
316f4ca4 MK |
3845 | if (use_json) |
3846 | vty_out(vty, "{}\n"); | |
3847 | else | |
3848 | vty_out(vty, | |
3849 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
3850 | l3vni); | |
9aa741ea MK |
3851 | return; |
3852 | } | |
3853 | ||
316f4ca4 MK |
3854 | zl3vni_print_rmac(zrmac, vty, json); |
3855 | ||
3856 | if (use_json) { | |
3857 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3858 | json, JSON_C_TO_STRING_PRETTY)); | |
3859 | json_object_free(json); | |
3860 | } | |
9aa741ea | 3861 | } |
2dbad57f | 3862 | |
996c9314 | 3863 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, |
b7cfce93 MK |
3864 | u_char use_json) |
3865 | { | |
3866 | zebra_l3vni_t *zl3vni; | |
3867 | u_int32_t num_rmacs; | |
3868 | struct rmac_walk_ctx wctx; | |
3869 | json_object *json = NULL; | |
b7cfce93 MK |
3870 | |
3871 | if (!is_evpn_enabled()) | |
3872 | return; | |
3873 | ||
3874 | zl3vni = zl3vni_lookup(l3vni); | |
3875 | if (!zl3vni) { | |
3876 | if (use_json) | |
3877 | vty_out(vty, "{}\n"); | |
3878 | else | |
3879 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3880 | return; | |
3881 | } | |
3882 | num_rmacs = hashcount(zl3vni->rmac_table); | |
3883 | if (!num_rmacs) | |
3884 | return; | |
3885 | ||
75223c9e | 3886 | if (use_json) |
b7cfce93 | 3887 | json = json_object_new_object(); |
b7cfce93 MK |
3888 | |
3889 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
3890 | wctx.vty = vty; | |
75223c9e | 3891 | wctx.json = json; |
b7cfce93 | 3892 | if (!use_json) { |
996c9314 | 3893 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 3894 | num_rmacs); |
4cce389e | 3895 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
3896 | } else |
3897 | json_object_int_add(json, "numRmacs", num_rmacs); | |
3898 | ||
3899 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
3900 | ||
3901 | if (use_json) { | |
b7cfce93 MK |
3902 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
3903 | json, JSON_C_TO_STRING_PRETTY)); | |
3904 | json_object_free(json); | |
3905 | } | |
3906 | } | |
3907 | ||
996c9314 | 3908 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, u_char use_json) |
b7cfce93 MK |
3909 | { |
3910 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 3911 | json_object *json = NULL; |
c0b4eaa4 | 3912 | void *args[2]; |
b7cfce93 MK |
3913 | |
3914 | if (!is_evpn_enabled()) { | |
3915 | if (use_json) | |
3916 | vty_out(vty, "{}\n"); | |
3917 | return; | |
3918 | } | |
3919 | ||
3920 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
3921 | if (!zns) { |
3922 | if (use_json) | |
3923 | vty_out(vty, "{}\n"); | |
b7cfce93 | 3924 | return; |
c0b4eaa4 | 3925 | } |
b7cfce93 MK |
3926 | |
3927 | if (use_json) | |
3928 | json = json_object_new_object(); | |
3929 | ||
c0b4eaa4 MK |
3930 | args[0] = vty; |
3931 | args[1] = json; | |
3932 | hash_iterate(zns->l3vni_table, | |
3933 | (void (*)(struct hash_backet *, | |
3934 | void *))zl3vni_print_rmac_hash_all_vni, | |
3935 | args); | |
b7cfce93 MK |
3936 | |
3937 | if (use_json) { | |
3938 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3939 | json, JSON_C_TO_STRING_PRETTY)); | |
3940 | json_object_free(json); | |
3941 | } | |
3942 | } | |
3943 | ||
996c9314 LB |
3944 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
3945 | struct ipaddr *ip, u_char use_json) | |
9aa741ea MK |
3946 | { |
3947 | zebra_l3vni_t *zl3vni = NULL; | |
3948 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 3949 | json_object *json = NULL; |
9aa741ea | 3950 | |
c0e519d3 MK |
3951 | if (!is_evpn_enabled()) { |
3952 | if (use_json) | |
3953 | vty_out(vty, "{}\n"); | |
9aa741ea | 3954 | return; |
c0e519d3 MK |
3955 | } |
3956 | ||
3957 | if (use_json) | |
3958 | json = json_object_new_object(); | |
9aa741ea MK |
3959 | |
3960 | zl3vni = zl3vni_lookup(l3vni); | |
3961 | if (!zl3vni) { | |
c0e519d3 MK |
3962 | if (use_json) |
3963 | vty_out(vty, "{}\n"); | |
3964 | else | |
3965 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
3966 | return; |
3967 | } | |
3968 | ||
3969 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3970 | if (!n) { | |
c0e519d3 MK |
3971 | if (use_json) |
3972 | vty_out(vty, "{}\n"); | |
3973 | else | |
3974 | vty_out(vty, | |
3975 | "%% Requested next-hop not present for L3-VNI %u", | |
3976 | l3vni); | |
9aa741ea MK |
3977 | return; |
3978 | } | |
3979 | ||
c0e519d3 MK |
3980 | zl3vni_print_nh(n, vty, json); |
3981 | ||
3982 | if (use_json) { | |
3983 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3984 | json, JSON_C_TO_STRING_PRETTY)); | |
3985 | json_object_free(json); | |
3986 | } | |
9aa741ea MK |
3987 | } |
3988 | ||
996c9314 | 3989 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, u_char use_json) |
b7cfce93 MK |
3990 | { |
3991 | u_int32_t num_nh; | |
2dbad57f | 3992 | struct nh_walk_ctx wctx; |
b7cfce93 | 3993 | json_object *json = NULL; |
b7cfce93 MK |
3994 | zebra_l3vni_t *zl3vni = NULL; |
3995 | ||
3996 | if (!is_evpn_enabled()) | |
3997 | return; | |
3998 | ||
3999 | zl3vni = zl3vni_lookup(l3vni); | |
4000 | if (!zl3vni) { | |
4001 | if (use_json) | |
4002 | vty_out(vty, "{}\n"); | |
4003 | else | |
4004 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4005 | return; | |
4006 | } | |
4007 | ||
4008 | num_nh = hashcount(zl3vni->nh_table); | |
4009 | if (!num_nh) | |
4010 | return; | |
4011 | ||
9187f600 | 4012 | if (use_json) |
b7cfce93 | 4013 | json = json_object_new_object(); |
b7cfce93 | 4014 | |
2dbad57f | 4015 | wctx.vty = vty; |
9187f600 | 4016 | wctx.json = json; |
b7cfce93 | 4017 | if (!use_json) { |
996c9314 | 4018 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4019 | num_nh); |
4cce389e | 4020 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4021 | } else |
4cce389e | 4022 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4023 | |
4024 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4025 | ||
4026 | if (use_json) { | |
b7cfce93 MK |
4027 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4028 | json, JSON_C_TO_STRING_PRETTY)); | |
4029 | json_object_free(json); | |
4030 | } | |
4031 | } | |
4032 | ||
996c9314 | 4033 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, u_char use_json) |
b7cfce93 | 4034 | { |
2dbad57f | 4035 | struct zebra_ns *zns = NULL; |
2dbad57f | 4036 | json_object *json = NULL; |
32798965 | 4037 | void *args[2]; |
2dbad57f | 4038 | |
4039 | if (!is_evpn_enabled()) { | |
4040 | if (use_json) | |
4041 | vty_out(vty, "{}\n"); | |
4042 | return; | |
4043 | } | |
4044 | ||
4045 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4046 | if (!zns) | |
4047 | return; | |
4048 | ||
4049 | if (use_json) | |
4050 | json = json_object_new_object(); | |
4051 | ||
32798965 MK |
4052 | args[0] = vty; |
4053 | args[1] = json; | |
4054 | hash_iterate(zns->l3vni_table, | |
4055 | (void (*)(struct hash_backet *, | |
4056 | void *))zl3vni_print_nh_hash_all_vni, | |
4057 | args); | |
2dbad57f | 4058 | |
4059 | if (use_json) { | |
4060 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4061 | json, JSON_C_TO_STRING_PRETTY)); | |
4062 | json_object_free(json); | |
4063 | } | |
b7cfce93 MK |
4064 | return; |
4065 | } | |
4066 | ||
4067 | /* | |
4068 | * Display L3 VNI information (VTY command handler). | |
4069 | */ | |
4070 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, u_char use_json) | |
4071 | { | |
4072 | void *args[2]; | |
4073 | json_object *json = NULL; | |
4074 | zebra_l3vni_t *zl3vni = NULL; | |
4075 | ||
b2ee5a13 MK |
4076 | if (!is_evpn_enabled()) { |
4077 | if (use_json) | |
4078 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4079 | return; |
b2ee5a13 | 4080 | } |
b7cfce93 MK |
4081 | |
4082 | zl3vni = zl3vni_lookup(vni); | |
4083 | if (!zl3vni) { | |
4084 | if (use_json) | |
4085 | vty_out(vty, "{}\n"); | |
4086 | else | |
4087 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4088 | return; | |
4089 | } | |
4090 | ||
4091 | if (use_json) | |
4092 | json = json_object_new_object(); | |
4093 | ||
b2ee5a13 MK |
4094 | args[0] = vty; |
4095 | args[1] = json; | |
b7cfce93 MK |
4096 | zl3vni_print(zl3vni, (void *)args); |
4097 | ||
4098 | if (use_json) { | |
4099 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4100 | json, JSON_C_TO_STRING_PRETTY)); | |
4101 | json_object_free(json); | |
4102 | } | |
4103 | } | |
4104 | ||
4cce389e MK |
4105 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4106 | json_object *json_vrfs) | |
b7cfce93 | 4107 | { |
4cce389e MK |
4108 | char buf[ETHER_ADDR_STRLEN]; |
4109 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4110 | |
4cce389e MK |
4111 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4112 | if (!zl3vni) | |
b7cfce93 | 4113 | return; |
b7cfce93 | 4114 | |
4cce389e MK |
4115 | if (!json_vrfs) { |
4116 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4117 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4118 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4119 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4120 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4121 | } else { |
4cce389e MK |
4122 | json_object *json_vrf = NULL; |
4123 | json_vrf = json_object_new_object(); | |
996c9314 | 4124 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4125 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4126 | json_object_string_add(json_vrf, "vxlanIntf", | |
4127 | zl3vni_vxlan_if_name(zl3vni)); | |
4128 | json_object_string_add(json_vrf, "sviIntf", | |
4129 | zl3vni_svi_if_name(zl3vni)); | |
4130 | json_object_string_add(json_vrf, "state", | |
4131 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4132 | json_object_string_add( |
4133 | json_vrf, "routerMac", | |
4134 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4135 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4136 | } |
4137 | } | |
4138 | ||
4139 | /* | |
4140 | * Display Neighbors for a VNI (VTY command handler). | |
4141 | */ | |
4142 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
4143 | vni_t vni, u_char use_json) | |
4144 | { | |
4145 | zebra_vni_t *zvni; | |
4146 | u_int32_t num_neigh; | |
4147 | struct neigh_walk_ctx wctx; | |
4148 | json_object *json = NULL; | |
4149 | ||
4150 | if (!is_evpn_enabled()) | |
4151 | return; | |
4152 | zvni = zvni_lookup(vni); | |
4153 | if (!zvni) { | |
4154 | if (use_json) | |
4155 | vty_out(vty, "{}\n"); | |
4156 | else | |
4157 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4158 | return; | |
4159 | } | |
4160 | num_neigh = hashcount(zvni->neigh_table); | |
4161 | if (!num_neigh) | |
4162 | return; | |
4163 | ||
4164 | if (use_json) | |
4165 | json = json_object_new_object(); | |
4166 | ||
4167 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4168 | * size, we try to be a bit more elegant in display by first computing | |
4169 | * the maximum width. | |
4170 | */ | |
4171 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4172 | wctx.zvni = zvni; | |
4173 | wctx.vty = vty; | |
4174 | wctx.addr_width = 15; | |
4175 | wctx.json = json; | |
4176 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4177 | ||
4178 | if (!use_json) { | |
4179 | vty_out(vty, | |
4180 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4181 | num_neigh); | |
4182 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4183 | "Type", "MAC", "Remote VTEP"); | |
4184 | } else | |
4185 | json_object_int_add(json, "numArpNd", num_neigh); | |
4186 | ||
4187 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4188 | if (use_json) { | |
4189 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4190 | json, JSON_C_TO_STRING_PRETTY)); | |
4191 | json_object_free(json); | |
4192 | } | |
4193 | } | |
4194 | ||
4195 | /* | |
4196 | * Display neighbors across all VNIs (VTY command handler). | |
4197 | */ | |
4198 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
4199 | u_char use_json) | |
4200 | { | |
4201 | json_object *json = NULL; | |
4202 | void *args[2]; | |
4203 | ||
4204 | if (!is_evpn_enabled()) | |
4205 | return; | |
4206 | ||
4207 | if (use_json) | |
4208 | json = json_object_new_object(); | |
4209 | ||
4210 | args[0] = vty; | |
4211 | args[1] = json; | |
4212 | hash_iterate(zvrf->vni_table, | |
4213 | (void (*)(struct hash_backet *, | |
4214 | void *))zvni_print_neigh_hash_all_vni, | |
4215 | args); | |
4216 | if (use_json) { | |
4217 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4218 | json, JSON_C_TO_STRING_PRETTY)); | |
4219 | json_object_free(json); | |
4220 | } | |
4221 | } | |
4222 | ||
4223 | /* | |
4224 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4225 | */ | |
4226 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4227 | struct zebra_vrf *zvrf, vni_t vni, | |
4228 | struct ipaddr *ip, u_char use_json) | |
4229 | { | |
4230 | zebra_vni_t *zvni; | |
4231 | zebra_neigh_t *n; | |
4232 | json_object *json = NULL; | |
4233 | ||
4234 | if (!is_evpn_enabled()) | |
4235 | return; | |
4236 | zvni = zvni_lookup(vni); | |
4237 | if (!zvni) { | |
4238 | if (use_json) | |
cd233079 CS |
4239 | vty_out(vty, "{}\n"); |
4240 | else | |
4241 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4242 | return; |
4243 | } | |
4244 | n = zvni_neigh_lookup(zvni, ip); | |
4245 | if (!n) { | |
cd233079 CS |
4246 | if (!use_json) |
4247 | vty_out(vty, | |
4248 | "%% Requested neighbor does not exist in VNI %u\n", | |
4249 | vni); | |
d62a17ae | 4250 | return; |
4251 | } | |
cd233079 CS |
4252 | if (use_json) |
4253 | json = json_object_new_object(); | |
4254 | ||
4255 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4256 | |
cd233079 CS |
4257 | if (use_json) { |
4258 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4259 | json, JSON_C_TO_STRING_PRETTY)); | |
4260 | json_object_free(json); | |
4261 | } | |
cec2e17d | 4262 | } |
4263 | ||
4264 | /* | |
4265 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4266 | * By definition, these are remote neighbors. | |
4267 | */ | |
d62a17ae | 4268 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4269 | vni_t vni, struct in_addr vtep_ip, |
4270 | u_char use_json) | |
cec2e17d | 4271 | { |
d62a17ae | 4272 | zebra_vni_t *zvni; |
4273 | u_int32_t num_neigh; | |
4274 | struct neigh_walk_ctx wctx; | |
cd233079 | 4275 | json_object *json = NULL; |
cec2e17d | 4276 | |
2853fed6 | 4277 | if (!is_evpn_enabled()) |
d62a17ae | 4278 | return; |
2853fed6 | 4279 | zvni = zvni_lookup(vni); |
d62a17ae | 4280 | if (!zvni) { |
cd233079 CS |
4281 | if (use_json) |
4282 | vty_out(vty, "{}\n"); | |
4283 | else | |
4284 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4285 | return; |
4286 | } | |
4287 | num_neigh = hashcount(zvni->neigh_table); | |
4288 | if (!num_neigh) | |
4289 | return; | |
cec2e17d | 4290 | |
d62a17ae | 4291 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4292 | wctx.zvni = zvni; | |
4293 | wctx.vty = vty; | |
4294 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
4295 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4296 | wctx.json = json; |
d62a17ae | 4297 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4298 | |
4299 | if (use_json) { | |
4300 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4301 | json, JSON_C_TO_STRING_PRETTY)); | |
4302 | json_object_free(json); | |
4303 | } | |
cec2e17d | 4304 | } |
4305 | ||
4306 | /* | |
4307 | * Display MACs for a VNI (VTY command handler). | |
4308 | */ | |
d62a17ae | 4309 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4310 | vni_t vni, u_char use_json) |
cec2e17d | 4311 | { |
d62a17ae | 4312 | zebra_vni_t *zvni; |
4313 | u_int32_t num_macs; | |
4314 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4315 | json_object *json = NULL; |
4316 | json_object *json_mac = NULL; | |
cec2e17d | 4317 | |
2853fed6 | 4318 | if (!is_evpn_enabled()) |
d62a17ae | 4319 | return; |
2853fed6 | 4320 | zvni = zvni_lookup(vni); |
d62a17ae | 4321 | if (!zvni) { |
cd233079 CS |
4322 | if (use_json) |
4323 | vty_out(vty, "{}\n"); | |
4324 | else | |
4325 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4326 | return; |
4327 | } | |
790f8dc5 | 4328 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4329 | if (!num_macs) |
4330 | return; | |
cec2e17d | 4331 | |
cd233079 CS |
4332 | if (use_json) { |
4333 | json = json_object_new_object(); | |
4334 | json_mac = json_object_new_object(); | |
4335 | } | |
4336 | ||
d62a17ae | 4337 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4338 | wctx.zvni = zvni; | |
4339 | wctx.vty = vty; | |
cd233079 | 4340 | wctx.json = json_mac; |
cec2e17d | 4341 | |
cd233079 CS |
4342 | if (!use_json) { |
4343 | vty_out(vty, | |
4344 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4345 | num_macs); | |
4346 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4347 | "Intf/Remote VTEP", "VLAN"); | |
4348 | } else | |
4349 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4350 | |
d62a17ae | 4351 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4352 | |
4353 | if (use_json) { | |
4354 | json_object_object_add(json, "macs", json_mac); | |
4355 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4356 | json, JSON_C_TO_STRING_PRETTY)); | |
4357 | json_object_free(json); | |
4358 | } | |
cec2e17d | 4359 | } |
4360 | ||
4361 | /* | |
4362 | * Display MACs for all VNIs (VTY command handler). | |
4363 | */ | |
cd233079 CS |
4364 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4365 | u_char use_json) | |
cec2e17d | 4366 | { |
d62a17ae | 4367 | struct mac_walk_ctx wctx; |
cd233079 | 4368 | json_object *json = NULL; |
cec2e17d | 4369 | |
2853fed6 | 4370 | if (!is_evpn_enabled()) { |
cd233079 CS |
4371 | if (use_json) |
4372 | vty_out(vty, "{}\n"); | |
d62a17ae | 4373 | return; |
cd233079 CS |
4374 | } |
4375 | if (use_json) | |
4376 | json = json_object_new_object(); | |
4377 | ||
d62a17ae | 4378 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4379 | wctx.vty = vty; | |
cd233079 | 4380 | wctx.json = json; |
d62a17ae | 4381 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4382 | |
4383 | if (use_json) { | |
4384 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4385 | json, JSON_C_TO_STRING_PRETTY)); | |
4386 | json_object_free(json); | |
4387 | } | |
cec2e17d | 4388 | } |
4389 | ||
4390 | /* | |
4391 | * Display MACs for all VNIs (VTY command handler). | |
4392 | */ | |
d62a17ae | 4393 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4394 | struct zebra_vrf *zvrf, | |
cd233079 CS |
4395 | struct in_addr vtep_ip, |
4396 | u_char use_json) | |
cec2e17d | 4397 | { |
d62a17ae | 4398 | struct mac_walk_ctx wctx; |
cd233079 | 4399 | json_object *json = NULL; |
cec2e17d | 4400 | |
2853fed6 | 4401 | if (!is_evpn_enabled()) |
d62a17ae | 4402 | return; |
cd233079 CS |
4403 | |
4404 | if (use_json) | |
4405 | json = json_object_new_object(); | |
4406 | ||
d62a17ae | 4407 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4408 | wctx.vty = vty; | |
4409 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4410 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4411 | wctx.json = json; |
d62a17ae | 4412 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4413 | |
4414 | if (use_json) { | |
4415 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4416 | json, JSON_C_TO_STRING_PRETTY)); | |
4417 | json_object_free(json); | |
4418 | } | |
cec2e17d | 4419 | } |
4420 | ||
4421 | /* | |
4422 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4423 | */ | |
d62a17ae | 4424 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4425 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4426 | { |
d62a17ae | 4427 | zebra_vni_t *zvni; |
4428 | zebra_mac_t *mac; | |
cec2e17d | 4429 | |
2853fed6 | 4430 | if (!is_evpn_enabled()) |
d62a17ae | 4431 | return; |
2853fed6 | 4432 | zvni = zvni_lookup(vni); |
d62a17ae | 4433 | if (!zvni) { |
4434 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4435 | return; | |
4436 | } | |
4437 | mac = zvni_mac_lookup(zvni, macaddr); | |
4438 | if (!mac) { | |
4439 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4440 | vni); | |
4441 | return; | |
4442 | } | |
cec2e17d | 4443 | |
d62a17ae | 4444 | zvni_print_mac(mac, vty); |
cec2e17d | 4445 | } |
4446 | ||
4447 | /* | |
4448 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4449 | */ | |
d62a17ae | 4450 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4451 | vni_t vni, struct in_addr vtep_ip, |
4452 | u_char use_json) | |
cec2e17d | 4453 | { |
d62a17ae | 4454 | zebra_vni_t *zvni; |
4455 | u_int32_t num_macs; | |
4456 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4457 | json_object *json = NULL; |
4458 | json_object *json_mac = NULL; | |
cec2e17d | 4459 | |
2853fed6 | 4460 | if (!is_evpn_enabled()) |
d62a17ae | 4461 | return; |
2853fed6 | 4462 | zvni = zvni_lookup(vni); |
d62a17ae | 4463 | if (!zvni) { |
cd233079 CS |
4464 | if (use_json) |
4465 | vty_out(vty, "{}\n"); | |
4466 | else | |
4467 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4468 | return; |
4469 | } | |
790f8dc5 | 4470 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4471 | if (!num_macs) |
4472 | return; | |
cd233079 CS |
4473 | |
4474 | if (use_json) { | |
4475 | json = json_object_new_object(); | |
4476 | json_mac = json_object_new_object(); | |
4477 | } | |
4478 | ||
d62a17ae | 4479 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4480 | wctx.zvni = zvni; | |
4481 | wctx.vty = vty; | |
4482 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4483 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4484 | wctx.json = json_mac; |
d62a17ae | 4485 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4486 | |
4487 | if (use_json) { | |
4488 | json_object_int_add(json, "numMacs", wctx.count); | |
4489 | if (wctx.count) | |
4490 | json_object_object_add(json, "macs", json_mac); | |
4491 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4492 | json, JSON_C_TO_STRING_PRETTY)); | |
4493 | json_object_free(json); | |
4494 | } | |
cec2e17d | 4495 | } |
4496 | ||
4497 | ||
4498 | /* | |
4499 | * Display VNI information (VTY command handler). | |
4500 | */ | |
cd233079 CS |
4501 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
4502 | u_char use_json) | |
cec2e17d | 4503 | { |
cd233079 CS |
4504 | json_object *json = NULL; |
4505 | void *args[2]; | |
1f2129ec | 4506 | zebra_l3vni_t *zl3vni = NULL; |
4507 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 4508 | |
2853fed6 | 4509 | if (!is_evpn_enabled()) |
d62a17ae | 4510 | return; |
4cce389e | 4511 | |
cd233079 CS |
4512 | if (use_json) |
4513 | json = json_object_new_object(); | |
4514 | args[0] = vty; | |
4515 | args[1] = json; | |
4cce389e | 4516 | |
1f2129ec | 4517 | zl3vni = zl3vni_lookup(vni); |
4518 | if (zl3vni) { | |
4cce389e MK |
4519 | zl3vni_print(zl3vni, (void *)args); |
4520 | } else { | |
4cce389e MK |
4521 | zvni = zvni_lookup(vni); |
4522 | if (!zvni) { | |
4523 | if (use_json) | |
4524 | vty_out(vty, "{}\n"); | |
4525 | else | |
4526 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4527 | return; | |
4528 | } | |
4529 | ||
4530 | zvni_print(zvni, (void *)args); | |
4531 | } | |
4532 | ||
cd233079 CS |
4533 | if (use_json) { |
4534 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4535 | json, JSON_C_TO_STRING_PRETTY)); | |
4536 | json_object_free(json); | |
4537 | } | |
cec2e17d | 4538 | } |
4539 | ||
4cce389e MK |
4540 | /* Display all global details for EVPN */ |
4541 | void zebra_vxlan_print_evpn(struct vty *vty, u_char uj) | |
cec2e17d | 4542 | { |
4cce389e MK |
4543 | int num_l2vnis = 0; |
4544 | int num_l3vnis = 0; | |
d4454626 | 4545 | int num_vnis = 0; |
cd233079 | 4546 | json_object *json = NULL; |
4cce389e MK |
4547 | struct zebra_ns *zns = NULL; |
4548 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 4549 | |
2853fed6 | 4550 | if (!is_evpn_enabled()) |
d62a17ae | 4551 | return; |
4cce389e MK |
4552 | |
4553 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4554 | if (!zns) | |
d62a17ae | 4555 | return; |
4cce389e MK |
4556 | |
4557 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
4558 | if (!zvrf) | |
4559 | return; | |
4560 | ||
4561 | num_l3vnis = hashcount(zns->l3vni_table); | |
4562 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 4563 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
4564 | |
4565 | if (uj) { | |
cd233079 | 4566 | json = json_object_new_object(); |
ddd16ed5 MK |
4567 | json_object_string_add(json, "advertiseGatewayMacip", |
4568 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 4569 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
4570 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
4571 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 4572 | } else { |
4cce389e MK |
4573 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
4574 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
4575 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4576 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4577 | } |
4cce389e MK |
4578 | |
4579 | if (uj) { | |
4580 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4581 | json, JSON_C_TO_STRING_PRETTY)); | |
4582 | json_object_free(json); | |
4583 | } | |
4584 | } | |
4585 | ||
4586 | /* | |
4587 | * Display VNI hash table (VTY command handler). | |
4588 | */ | |
4589 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
4590 | u_char use_json) | |
4591 | { | |
4592 | json_object *json = NULL; | |
4593 | struct zebra_ns *zns = NULL; | |
4594 | void *args[2]; | |
4595 | ||
4596 | if (!is_evpn_enabled()) | |
4597 | return; | |
4598 | ||
4599 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4600 | if (!zns) | |
4601 | return; | |
4602 | ||
4603 | ||
4604 | if (use_json) | |
4605 | json = json_object_new_object(); | |
4606 | else | |
996c9314 LB |
4607 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
4608 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
4609 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 4610 | |
cd233079 CS |
4611 | args[0] = vty; |
4612 | args[1] = json; | |
4613 | ||
4cce389e | 4614 | /* Display all L2-VNIs */ |
cd233079 CS |
4615 | hash_iterate(zvrf->vni_table, |
4616 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4617 | args); | |
4618 | ||
4cce389e MK |
4619 | /* Display all L3-VNIs */ |
4620 | hash_iterate(zns->l3vni_table, | |
4621 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
4622 | args); | |
4623 | ||
cd233079 CS |
4624 | if (use_json) { |
4625 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4626 | json, JSON_C_TO_STRING_PRETTY)); | |
4627 | json_object_free(json); | |
4628 | } | |
cec2e17d | 4629 | } |
4630 | ||
2232a77c | 4631 | /* |
4632 | * Handle neighbor delete (on a VLAN device / L3 interface) from the | |
4633 | * kernel. This may result in either the neighbor getting deleted from | |
4634 | * our database or being re-added to the kernel (if it is a valid | |
4635 | * remote neighbor). | |
4636 | */ | |
d62a17ae | 4637 | int zebra_vxlan_local_neigh_del(struct interface *ifp, |
4638 | struct interface *link_if, struct ipaddr *ip) | |
4639 | { | |
d62a17ae | 4640 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 4641 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4642 | zebra_neigh_t *n = NULL; |
4643 | zebra_vni_t *zvni = NULL; | |
4644 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 4645 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 4646 | |
8c9b80b9 | 4647 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 4648 | * next-hop |
4649 | */ | |
8c9b80b9 MK |
4650 | zl3vni = zl3vni_from_svi(ifp, link_if); |
4651 | if (zl3vni) | |
4652 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 4653 | |
4654 | /* We are only interested in neighbors on an SVI that resides on top | |
4655 | * of a VxLAN bridge. | |
4656 | */ | |
b7cfce93 | 4657 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4658 | if (!zvni) |
4659 | return 0; | |
8c9b80b9 | 4660 | |
d62a17ae | 4661 | if (!zvni->vxlan_if) { |
4662 | zlog_err( | |
4663 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
4664 | zvni->vni, zvni); | |
4665 | return -1; | |
4666 | } | |
4667 | ||
4668 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4669 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
4670 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
4671 | ifp->ifindex, zvni->vni); | |
d62a17ae | 4672 | |
4673 | /* If entry doesn't exist, nothing to do. */ | |
4674 | n = zvni_neigh_lookup(zvni, ip); | |
4675 | if (!n) | |
4676 | return 0; | |
4677 | ||
b6938a74 MK |
4678 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4679 | if (!zmac) { | |
4680 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4681 | zlog_err( | |
2853fed6 | 4682 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4683 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4684 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4685 | zvni->vni); | |
4686 | ||
4687 | return 0; | |
4688 | } | |
4689 | ||
d62a17ae | 4690 | /* If it is a remote entry, the kernel has aged this out or someone has |
4691 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4692 | */ | |
4693 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4694 | zvni_neigh_install(zvni, n); | |
4695 | return 0; | |
4696 | } | |
4697 | ||
d62a17ae | 4698 | /* Remove neighbor from BGP. */ |
b6938a74 | 4699 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 4700 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 4701 | |
4702 | /* Delete this neighbor entry. */ | |
4703 | zvni_neigh_del(zvni, n); | |
4704 | ||
b6938a74 MK |
4705 | /* see if the AUTO mac needs to be deleted */ |
4706 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4707 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4708 | zvni_mac_del(zvni, zmac); |
4709 | ||
d62a17ae | 4710 | return 0; |
2232a77c | 4711 | } |
4712 | ||
4713 | /* | |
859b32c0 MK |
4714 | * Handle neighbor add or update (on a VLAN device / L3 interface) |
4715 | * from the kernel. | |
2232a77c | 4716 | */ |
d62a17ae | 4717 | int zebra_vxlan_local_neigh_add_update(struct interface *ifp, |
4718 | struct interface *link_if, | |
4719 | struct ipaddr *ip, | |
4720 | struct ethaddr *macaddr, u_int16_t state, | |
4721 | u_char ext_learned) | |
4722 | { | |
d62a17ae | 4723 | char buf[ETHER_ADDR_STRLEN]; |
4724 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
4725 | zebra_vni_t *zvni = NULL; |
4726 | zebra_neigh_t *n = NULL; | |
4727 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
3bcbba10 | 4728 | zebra_l3vni_t *zl3vni = NULL; |
4729 | ||
4730 | /* check if this is a remote neigh entry corresponding to remote | |
4731 | * next-hop | |
4732 | */ | |
4733 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4734 | if (zl3vni) | |
4735 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 4736 | |
d62a17ae | 4737 | /* We are only interested in neighbors on an SVI that resides on top |
4738 | * of a VxLAN bridge. | |
4739 | */ | |
b7cfce93 | 4740 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4741 | if (!zvni) |
4742 | return 0; | |
4743 | ||
d62a17ae | 4744 | if (IS_ZEBRA_DEBUG_VXLAN) |
4745 | zlog_debug( | |
8c9b80b9 | 4746 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s-> L2-VNI %u", |
2853fed6 | 4747 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4748 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4749 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
8c9b80b9 | 4750 | zvni->vni); |
d62a17ae | 4751 | |
b6938a74 MK |
4752 | /* create a dummy MAC if the MAC is not already present */ |
4753 | zmac = zvni_mac_lookup(zvni, macaddr); | |
4754 | if (!zmac) { | |
4755 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
4756 | zlog_debug("AUTO MAC %s created for neigh %s on VNI %u", |
4757 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4758 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
4759 | zvni->vni); | |
b6938a74 MK |
4760 | |
4761 | zmac = zvni_mac_add(zvni, macaddr); | |
4762 | if (!zmac) { | |
2853fed6 | 4763 | zlog_warn("Failed to add MAC %s VNI %u", |
b6938a74 MK |
4764 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4765 | zvni->vni); | |
4766 | return -1; | |
4767 | } | |
4768 | ||
4769 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
4770 | memset(&zmac->flags, 0, sizeof(u_int32_t)); | |
4771 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
4772 | } | |
4773 | ||
d62a17ae | 4774 | /* If same entry already exists, it might be a change or it might be a |
4775 | * move from remote to local. | |
4776 | */ | |
4777 | n = zvni_neigh_lookup(zvni, ip); | |
4778 | if (n) { | |
4779 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
996c9314 | 4780 | if (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) |
d62a17ae | 4781 | == 0) { |
b682f6de | 4782 | /* Update any params and return - client doesn't |
4783 | * care about a purely local change. | |
4784 | */ | |
4785 | n->ifindex = ifp->ifindex; | |
4786 | return 0; | |
57f7feb6 | 4787 | } |
b682f6de | 4788 | |
57f7feb6 MK |
4789 | /* If the MAC has changed, |
4790 | * need to issue a delete first | |
4791 | * as this means a different MACIP route. | |
4792 | * Also, need to do some unlinking/relinking. | |
4793 | */ | |
2853fed6 | 4794 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
60466a63 | 4795 | &n->emac, 0); |
57f7feb6 MK |
4796 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
4797 | if (old_zmac) { | |
60466a63 | 4798 | listnode_delete(old_zmac->neigh_list, n); |
57f7feb6 | 4799 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
b682f6de | 4800 | } |
57f7feb6 MK |
4801 | |
4802 | /* Set "local" forwarding info. */ | |
4803 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4804 | n->ifindex = ifp->ifindex; | |
4805 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4806 | ||
4807 | /* Link to new MAC */ | |
4808 | listnode_add_sort(zmac->neigh_list, n); | |
d62a17ae | 4809 | } else if (ext_learned) |
4810 | /* The neighbor is remote and that is the notification we got. | |
9d303b37 | 4811 | */ |
d62a17ae | 4812 | { |
859b32c0 | 4813 | /* TODO: Evaluate if we need to do anything here. */ |
d62a17ae | 4814 | return 0; |
4815 | } else | |
4816 | /* Neighbor has moved from remote to local. */ | |
4817 | { | |
4818 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4819 | n->r_vtep_ip.s_addr = 0; | |
b682f6de | 4820 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
4821 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4822 | } |
4823 | } else { | |
b6938a74 | 4824 | n = zvni_neigh_add(zvni, ip, macaddr); |
d62a17ae | 4825 | if (!n) { |
4826 | zlog_err( | |
2853fed6 | 4827 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
4828 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
d62a17ae | 4829 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4830 | ifp->name, ifp->ifindex, zvni->vni); | |
4831 | return -1; | |
4832 | } | |
b682f6de | 4833 | /* Set "local" forwarding info. */ |
4834 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4835 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4836 | } |
4837 | ||
b6938a74 MK |
4838 | /* Before we program this in BGP, we need to check if MAC is locally |
4839 | * learnt as well */ | |
4840 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
4841 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4842 | zlog_debug( | |
2853fed6 | 4843 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u", |
4844 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
b6938a74 MK |
4845 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4846 | zvni->vni); | |
4847 | ||
4848 | return 0; | |
4849 | } | |
4850 | ||
b682f6de | 4851 | /* Inform BGP. */ |
4852 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4853 | zlog_debug("neigh %s (MAC %s) is now ACTIVE on L2-VNI %u", |
2853fed6 | 4854 | ipaddr2str(ip, buf2, sizeof(buf2)), |
60466a63 | 4855 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
8c9b80b9 | 4856 | zvni->vni); |
b682f6de | 4857 | ZEBRA_NEIGH_SET_ACTIVE(n); |
b7cfce93 | 4858 | |
ead40654 | 4859 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
2232a77c | 4860 | } |
4861 | ||
b682f6de | 4862 | |
2232a77c | 4863 | /* |
4864 | * Handle message from client to delete a remote MACIP for a VNI. | |
4865 | */ | |
e4bd522a | 4866 | int zebra_vxlan_remote_macip_del(struct zserv *client, u_short length, |
d62a17ae | 4867 | struct zebra_vrf *zvrf) |
4868 | { | |
4869 | struct stream *s; | |
4870 | vni_t vni; | |
4871 | struct ethaddr macaddr; | |
4872 | struct ipaddr ip; | |
4873 | struct in_addr vtep_ip; | |
4874 | zebra_vni_t *zvni; | |
4875 | zebra_mac_t *mac; | |
4876 | zebra_neigh_t *n; | |
4877 | u_short l = 0, ipa_len; | |
4878 | char buf[ETHER_ADDR_STRLEN]; | |
4879 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 4880 | struct interface *ifp = NULL; |
4881 | struct zebra_if *zif = NULL; | |
d62a17ae | 4882 | |
b7cfce93 | 4883 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4884 | memset(&ip, 0, sizeof(struct ipaddr)); |
4885 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4886 | ||
d62a17ae | 4887 | s = client->ibuf; |
4888 | ||
4889 | while (l < length) { | |
4890 | /* Obtain each remote MACIP and process. */ | |
4891 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
4892 | * followed by remote VTEP IP. | |
4893 | */ | |
4894 | mac = NULL; | |
4895 | n = NULL; | |
4896 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
4897 | STREAM_GETL(s, vni); |
4898 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
4899 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 4900 | if (ipa_len) { |
4901 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
4902 | : IPADDR_V6; | |
ec93aa12 | 4903 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 4904 | } |
ff8b7eb8 | 4905 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 4906 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 4907 | l += IPV4_MAX_BYTELEN; |
4908 | ||
4909 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4910 | zlog_debug( | |
23a06e11 | 4911 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 4912 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
4913 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
4914 | inet_ntoa(vtep_ip), | |
4915 | zebra_route_string(client->proto)); | |
4916 | ||
4917 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 4918 | zvni = zvni_lookup(vni); |
d62a17ae | 4919 | if (!zvni) { |
4920 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4921 | zlog_debug( | |
4922 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 4923 | "VNI %u", |
4924 | vni); | |
d62a17ae | 4925 | continue; |
4926 | } | |
b5ebdc9b | 4927 | ifp = zvni->vxlan_if; |
af026ae4 | 4928 | if (!ifp) { |
d62a17ae | 4929 | zlog_err( |
4930 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
4931 | vni, zvni); | |
4932 | continue; | |
4933 | } | |
b5ebdc9b | 4934 | zif = ifp->info; |
4935 | ||
4936 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4937 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 4938 | continue; |
d62a17ae | 4939 | |
4940 | /* The remote VTEP specified is normally expected to exist, but | |
4941 | * it is | |
4942 | * possible that the peer may delete the VTEP before deleting | |
4943 | * any MACs | |
4944 | * referring to the VTEP, in which case the handler (see | |
4945 | * remote_vtep_del) | |
4946 | * would have already deleted the MACs. | |
4947 | */ | |
4948 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4949 | continue; | |
4950 | ||
d62a17ae | 4951 | mac = zvni_mac_lookup(zvni, &macaddr); |
4952 | if (ipa_len) | |
4953 | n = zvni_neigh_lookup(zvni, &ip); | |
4954 | ||
4955 | if (n && !mac) { | |
996c9314 LB |
4956 | zlog_err("Failed to locate MAC %s for neigh %s VNI %u", |
4957 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
4958 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
d62a17ae | 4959 | continue; |
4960 | } | |
4961 | ||
4962 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4963 | * more | |
4964 | * to do. Otherwise, uninstall the entry and then remove it. | |
4965 | */ | |
4966 | if (!mac && !n) | |
4967 | continue; | |
4968 | ||
ead40654 | 4969 | /* Ignore the delete if this mac is a gateway mac-ip */ |
996c9314 LB |
4970 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
4971 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4972 | zlog_err( | |
4973 | "%u: Ignore Del for MAC %s neigh %s on VNI %u as it is configured as a default gateway", | |
4974 | zvrf_id(zvrf), | |
4975 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
4976 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
ead40654 MK |
4977 | continue; |
4978 | } | |
4979 | ||
d62a17ae | 4980 | /* Uninstall remote neighbor or MAC. */ |
4981 | if (n) { | |
4982 | /* When the MAC changes for an IP, it is possible the | |
4983 | * client may | |
4984 | * update the new MAC before trying to delete the "old" | |
4985 | * neighbor | |
4986 | * (as these are two different MACIP routes). Do the | |
4987 | * delete only | |
4988 | * if the MAC matches. | |
4989 | */ | |
4990 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
996c9314 | 4991 | && (memcmp(n->emac.octet, macaddr.octet, ETH_ALEN) |
d62a17ae | 4992 | == 0)) { |
4993 | zvni_neigh_uninstall(zvni, n); | |
4994 | zvni_neigh_del(zvni, n); | |
4995 | zvni_deref_ip2mac(zvni, mac, 1); | |
4996 | } | |
4997 | } else { | |
4998 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
996c9314 | 4999 | zvni_process_neigh_on_remote_mac_del(zvni, mac); |
b6938a74 | 5000 | |
0a97666d | 5001 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 5002 | zvni_mac_uninstall(zvni, mac, 0); |
5003 | zvni_mac_del(zvni, mac); | |
5004 | } else | |
5005 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5006 | } | |
5007 | } | |
5008 | } | |
5009 | ||
ec93aa12 | 5010 | stream_failure: |
d62a17ae | 5011 | return 0; |
2232a77c | 5012 | } |
5013 | ||
5014 | /* | |
5015 | * Handle message from client to add a remote MACIP for a VNI. This | |
5016 | * could be just the add of a MAC address or the add of a neighbor | |
5017 | * (IP+MAC). | |
5018 | */ | |
e4bd522a | 5019 | int zebra_vxlan_remote_macip_add(struct zserv *client, u_short length, |
d62a17ae | 5020 | struct zebra_vrf *zvrf) |
5021 | { | |
5022 | struct stream *s; | |
5023 | vni_t vni; | |
5024 | struct ethaddr macaddr; | |
5025 | struct ipaddr ip; | |
5026 | struct in_addr vtep_ip; | |
5027 | zebra_vni_t *zvni; | |
5028 | zebra_vtep_t *zvtep; | |
5029 | zebra_mac_t *mac, *old_mac; | |
5030 | zebra_neigh_t *n; | |
5031 | u_short l = 0, ipa_len; | |
5032 | int update_mac = 0, update_neigh = 0; | |
5033 | char buf[ETHER_ADDR_STRLEN]; | |
5034 | char buf1[INET6_ADDRSTRLEN]; | |
ead40654 MK |
5035 | u_char sticky = 0; |
5036 | u_char flags = 0; | |
b5ebdc9b | 5037 | struct interface *ifp = NULL; |
5038 | struct zebra_if *zif = NULL; | |
d62a17ae | 5039 | |
b7cfce93 | 5040 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5041 | memset(&ip, 0, sizeof(struct ipaddr)); |
5042 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5043 | ||
ec93aa12 | 5044 | if (!EVPN_ENABLED(zvrf)) { |
996c9314 LB |
5045 | zlog_warn( |
5046 | "%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
5047 | __PRETTY_FUNCTION__); | |
ec93aa12 DS |
5048 | return -1; |
5049 | } | |
d62a17ae | 5050 | |
5051 | s = client->ibuf; | |
5052 | ||
5053 | while (l < length) { | |
5054 | /* Obtain each remote MACIP and process. */ | |
5055 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5056 | * followed by remote VTEP IP. | |
5057 | */ | |
5058 | update_mac = update_neigh = 0; | |
5059 | mac = NULL; | |
5060 | n = NULL; | |
5061 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5062 | STREAM_GETL(s, vni); |
5063 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5064 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5065 | if (ipa_len) { |
5066 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5067 | : IPADDR_V6; | |
ec93aa12 | 5068 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5069 | } |
ff8b7eb8 | 5070 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5071 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5072 | l += IPV4_MAX_BYTELEN; |
5073 | ||
ead40654 MK |
5074 | /* Get flags - sticky mac and/or gateway mac */ |
5075 | flags = stream_getc(s); | |
5076 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
d62a17ae | 5077 | l++; |
5078 | ||
5079 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5080 | zlog_debug( | |
ead40654 | 5081 | "Recv MACIP Add MAC %s IP %s VNI %u Remote VTEP %s with flags 0x%x from %s", |
d62a17ae | 5082 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5083 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
ead40654 | 5084 | inet_ntoa(vtep_ip), flags, |
d62a17ae | 5085 | zebra_route_string(client->proto)); |
5086 | ||
5087 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5088 | zvni = zvni_lookup(vni); |
d62a17ae | 5089 | if (!zvni) { |
5090 | zlog_err( | |
2853fed6 | 5091 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
5092 | vni); | |
d62a17ae | 5093 | continue; |
5094 | } | |
b5ebdc9b | 5095 | ifp = zvni->vxlan_if; |
5096 | if (!ifp) { | |
d62a17ae | 5097 | zlog_err( |
5098 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
5099 | vni, zvni); | |
5100 | continue; | |
5101 | } | |
b5ebdc9b | 5102 | zif = ifp->info; |
5103 | ||
5104 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5105 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5106 | continue; |
5107 | ||
5108 | /* The remote VTEP specified should normally exist, but it is | |
5109 | * possible | |
5110 | * that when peering comes up, peer may advertise MACIP routes | |
5111 | * before | |
5112 | * advertising type-3 routes. | |
5113 | */ | |
5114 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5115 | if (!zvtep) { | |
5116 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5117 | zlog_err( | |
2853fed6 | 5118 | "Failed to add remote VTEP, VNI %u zvni %p", |
5119 | vni, zvni); | |
d62a17ae | 5120 | continue; |
5121 | } | |
5122 | ||
5123 | zvni_vtep_install(zvni, &vtep_ip); | |
5124 | } | |
5125 | ||
d62a17ae | 5126 | mac = zvni_mac_lookup(zvni, &macaddr); |
ead40654 MK |
5127 | |
5128 | /* Ignore the update if the mac is already present | |
5129 | as a gateway mac */ | |
996c9314 LB |
5130 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) |
5131 | && CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
ead40654 | 5132 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5133 | zlog_debug( |
5134 | "%u:Ignore MAC %s IP %s on VNI %u as MAC is already configured as gateway mac", | |
5135 | zvrf_id(zvrf), | |
5136 | prefix_mac2str(&macaddr, buf, | |
5137 | sizeof(buf)), | |
5138 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
5139 | vni); | |
ead40654 MK |
5140 | continue; |
5141 | } | |
5142 | ||
5143 | /* check if the remote MAC is unknown or has a change. | |
5144 | * If so, that needs to be updated first. Note that client could | |
5145 | * install MAC and MACIP separately or just install the latter. | |
5146 | */ | |
d62a17ae | 5147 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
5148 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
5149 | != sticky | |
5150 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
5151 | update_mac = 1; | |
5152 | ||
5153 | if (update_mac) { | |
5154 | if (!mac) { | |
5155 | mac = zvni_mac_add(zvni, &macaddr); | |
5156 | if (!mac) { | |
5157 | zlog_warn( | |
2853fed6 | 5158 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5159 | prefix_mac2str(&macaddr, buf, |
5160 | sizeof(buf)), | |
5161 | vni, inet_ntoa(vtep_ip)); | |
5162 | return -1; | |
5163 | } | |
5164 | ||
5165 | /* Is this MAC created for a MACIP? */ | |
5166 | if (ipa_len) | |
5167 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 5168 | } |
5169 | ||
5170 | /* Set "auto" and "remote" forwarding info. */ | |
5171 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5172 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5173 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5174 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5175 | ||
5176 | if (sticky) | |
5177 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5178 | else | |
5179 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5180 | ||
2853fed6 | 5181 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 5182 | |
d62a17ae | 5183 | /* Install the entry. */ |
5184 | zvni_mac_install(zvni, mac); | |
5185 | } | |
5186 | ||
5187 | /* If there is no IP, continue - after clearing AUTO flag of | |
5188 | * MAC. */ | |
5189 | if (!ipa_len) { | |
5190 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5191 | continue; | |
5192 | } | |
5193 | ||
5194 | /* Check if the remote neighbor itself is unknown or has a | |
5195 | * change. | |
5196 | * If so, create or update and then install the entry. | |
5197 | */ | |
5198 | n = zvni_neigh_lookup(zvni, &ip); | |
5199 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5200 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
5201 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
5202 | update_neigh = 1; | |
5203 | ||
5204 | if (update_neigh) { | |
5205 | if (!n) { | |
b6938a74 | 5206 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 5207 | if (!n) { |
5208 | zlog_warn( | |
2853fed6 | 5209 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5210 | ipaddr2str(&ip, buf1, |
5211 | sizeof(buf1)), | |
5212 | prefix_mac2str(&macaddr, buf, | |
5213 | sizeof(buf)), | |
5214 | vni, inet_ntoa(vtep_ip)); | |
5215 | return -1; | |
5216 | } | |
5217 | ||
d62a17ae | 5218 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5219 | != 0) { | |
0a97666d MK |
5220 | /* MAC change, update neigh list for old and new |
5221 | * mac */ | |
d62a17ae | 5222 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5223 | if (old_mac) { |
5224 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5225 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5226 | } |
5227 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5228 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5229 | } |
5230 | ||
5231 | /* Set "remote" forwarding info. */ | |
5232 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5233 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5234 | n->r_vtep_ip = vtep_ip; |
5235 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5236 | ||
5237 | /* Install the entry. */ | |
5238 | zvni_neigh_install(zvni, n); | |
5239 | } | |
5240 | } | |
5241 | ||
ec93aa12 | 5242 | stream_failure: |
d62a17ae | 5243 | return 0; |
13d60d35 | 5244 | } |
5245 | ||
5246 | /* | |
2232a77c | 5247 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5248 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5249 | * of any prior local MAC. | |
13d60d35 | 5250 | */ |
d62a17ae | 5251 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5252 | struct interface *br_if, | |
5253 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5254 | { |
d62a17ae | 5255 | struct zebra_if *zif; |
d62a17ae | 5256 | struct zebra_l2info_vxlan *vxl; |
5257 | vni_t vni; | |
5258 | zebra_vni_t *zvni; | |
5259 | zebra_mac_t *mac; | |
5260 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5261 | |
d62a17ae | 5262 | zif = ifp->info; |
5263 | assert(zif); | |
5264 | vxl = &zif->l2info.vxl; | |
5265 | vni = vxl->vni; | |
13d60d35 | 5266 | |
2853fed6 | 5267 | /* Check if EVPN is enabled. */ |
5268 | if (!is_evpn_enabled()) | |
d62a17ae | 5269 | return 0; |
13d60d35 | 5270 | |
d62a17ae | 5271 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5272 | zvni = zvni_lookup(vni); |
d62a17ae | 5273 | if (!zvni) |
5274 | return 0; | |
13d60d35 | 5275 | |
d62a17ae | 5276 | /* If entry doesn't exist, nothing to do. */ |
5277 | mac = zvni_mac_lookup(zvni, macaddr); | |
5278 | if (!mac) | |
5279 | return 0; | |
13d60d35 | 5280 | |
d62a17ae | 5281 | /* Is it a local entry? */ |
5282 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5283 | return 0; | |
13d60d35 | 5284 | |
d62a17ae | 5285 | if (IS_ZEBRA_DEBUG_VXLAN) |
5286 | zlog_debug( | |
2853fed6 | 5287 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5288 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5289 | ifp->ifindex, vni); | |
13d60d35 | 5290 | |
d62a17ae | 5291 | /* Remove MAC from BGP. */ |
ead40654 | 5292 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5293 | |
b6938a74 MK |
5294 | /* |
5295 | * If there are no neigh associated with the mac delete the mac | |
5296 | * else mark it as AUTO for forward reference | |
5297 | */ | |
5298 | if (!listcount(mac->neigh_list)) { | |
5299 | zvni_mac_del(zvni, mac); | |
5300 | } else { | |
5301 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5302 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5303 | } | |
13d60d35 | 5304 | |
d62a17ae | 5305 | return 0; |
13d60d35 | 5306 | } |
5307 | ||
5308 | /* | |
2232a77c | 5309 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5310 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5311 | * so the kernel can ageout the entry. | |
13d60d35 | 5312 | */ |
d62a17ae | 5313 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5314 | struct interface *br_if, | |
5315 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5316 | { |
a9a76262 MK |
5317 | struct zebra_if *zif = NULL; |
5318 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5319 | vni_t vni; |
a9a76262 MK |
5320 | zebra_vni_t *zvni = NULL; |
5321 | zebra_l3vni_t *zl3vni = NULL; | |
5322 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5323 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5324 | |
d62a17ae | 5325 | zif = ifp->info; |
5326 | assert(zif); | |
5327 | vxl = &zif->l2info.vxl; | |
5328 | vni = vxl->vni; | |
2232a77c | 5329 | |
2853fed6 | 5330 | /* Check if EVPN is enabled. */ |
5331 | if (!is_evpn_enabled()) | |
d62a17ae | 5332 | return 0; |
2232a77c | 5333 | |
a9a76262 MK |
5334 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5335 | zl3vni = zl3vni_lookup(vni); | |
5336 | if (zl3vni) | |
5337 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5338 | ||
d62a17ae | 5339 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5340 | zvni = zvni_lookup(vni); |
d62a17ae | 5341 | if (!zvni) |
5342 | return 0; | |
13d60d35 | 5343 | |
d62a17ae | 5344 | /* If entry doesn't exist, nothing to do. */ |
5345 | mac = zvni_mac_lookup(zvni, macaddr); | |
5346 | if (!mac) | |
5347 | return 0; | |
2232a77c | 5348 | |
d62a17ae | 5349 | /* Is it a remote entry? */ |
5350 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5351 | return 0; | |
2232a77c | 5352 | |
d62a17ae | 5353 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5354 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5355 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5356 | ifp->ifindex, vni); | |
13d60d35 | 5357 | |
d62a17ae | 5358 | zvni_mac_install(zvni, mac); |
5359 | return 0; | |
13d60d35 | 5360 | } |
5361 | ||
5362 | /* | |
2232a77c | 5363 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5364 | */ |
d62a17ae | 5365 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5366 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5367 | { |
d62a17ae | 5368 | zebra_vni_t *zvni; |
5369 | zebra_mac_t *mac; | |
d62a17ae | 5370 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5371 | |
d62a17ae | 5372 | /* We are interested in MACs only on ports or (port, VLAN) that |
5373 | * map to a VNI. | |
5374 | */ | |
5375 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5376 | if (!zvni) | |
5377 | return 0; | |
5378 | if (!zvni->vxlan_if) { | |
5379 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5380 | zvni->vni, zvni); | |
5381 | return -1; | |
5382 | } | |
13d60d35 | 5383 | |
d62a17ae | 5384 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5385 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5386 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5387 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5388 | |
d62a17ae | 5389 | /* If entry doesn't exist, nothing to do. */ |
5390 | mac = zvni_mac_lookup(zvni, macaddr); | |
5391 | if (!mac) | |
5392 | return 0; | |
2232a77c | 5393 | |
d62a17ae | 5394 | /* Is it a local entry? */ |
5395 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5396 | return 0; | |
2232a77c | 5397 | |
d62a17ae | 5398 | /* Remove MAC from BGP. */ |
ead40654 | 5399 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
2232a77c | 5400 | |
b6938a74 | 5401 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5402 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5403 | |
5404 | /* | |
5405 | * If there are no neigh associated with the mac delete the mac | |
5406 | * else mark it as AUTO for forward reference | |
5407 | */ | |
5408 | if (!listcount(mac->neigh_list)) { | |
5409 | zvni_mac_del(zvni, mac); | |
5410 | } else { | |
5411 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5412 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5413 | } | |
2232a77c | 5414 | |
d62a17ae | 5415 | return 0; |
13d60d35 | 5416 | } |
5417 | ||
5418 | /* | |
2232a77c | 5419 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5420 | */ |
d62a17ae | 5421 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5422 | struct interface *br_if, | |
5423 | struct ethaddr *macaddr, vlanid_t vid, | |
5424 | u_char sticky) | |
5425 | { | |
5426 | zebra_vni_t *zvni; | |
5427 | zebra_mac_t *mac; | |
d62a17ae | 5428 | char buf[ETHER_ADDR_STRLEN]; |
5429 | int add = 1; | |
5430 | u_char mac_sticky; | |
5431 | ||
5432 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5433 | * map to a VNI. | |
5434 | */ | |
5435 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5436 | if (!zvni) { | |
5437 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5438 | zlog_debug( | |
2853fed6 | 5439 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5440 | sticky ? "sticky " : "", | |
d62a17ae | 5441 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5442 | ifp->name, ifp->ifindex, vid); | |
5443 | return 0; | |
5444 | } | |
5445 | ||
5446 | if (!zvni->vxlan_if) { | |
5447 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5448 | zvni->vni, zvni); | |
5449 | return -1; | |
5450 | } | |
5451 | ||
5452 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5453 | zlog_debug("Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5454 | sticky ? "sticky " : "", | |
5455 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
5456 | ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5457 | |
5458 | /* If same entry already exists, nothing to do. */ | |
5459 | mac = zvni_mac_lookup(zvni, macaddr); | |
5460 | if (mac) { | |
5461 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5462 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5463 | ? 1 | |
5464 | : 0; | |
5465 | ||
b6938a74 | 5466 | |
b8ce75a5 MK |
5467 | /* |
5468 | * return if nothing has changed. | |
5469 | * inform bgp if sticky flag has changed | |
5470 | * update locally and do not inform bgp if local | |
5471 | * parameters like interface has changed | |
5472 | */ | |
d62a17ae | 5473 | if (mac_sticky == sticky |
5474 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5475 | && mac->fwd_info.local.vid == vid) { | |
5476 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5477 | zlog_debug( | |
2853fed6 | 5478 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5479 | "entry exists and has not changed ", |
d62a17ae | 5480 | sticky ? "sticky " : "", |
5481 | prefix_mac2str(macaddr, buf, | |
5482 | sizeof(buf)), | |
5483 | ifp->name, ifp->ifindex, vid, | |
5484 | zvni->vni); | |
5485 | return 0; | |
b6938a74 | 5486 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5487 | add = 1; |
b6938a74 | 5488 | } else { |
b8ce75a5 MK |
5489 | add = 0; /* This is an update of local |
5490 | interface. */ | |
b6938a74 | 5491 | } |
421bb26a MK |
5492 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5493 | /* | |
5494 | * If we have already learned the MAC as a remote sticky | |
5495 | * MAC, | |
5496 | * this is a operator error and we must log a warning | |
5497 | */ | |
8f4b98ee | 5498 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5499 | zlog_warn( |
5500 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5501 | prefix_mac2str(macaddr, buf, | |
5502 | sizeof(buf)), | |
5503 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5504 | zvni->vni); | |
8f4b98ee MK |
5505 | return 0; |
5506 | } | |
d62a17ae | 5507 | } |
5508 | } | |
5509 | ||
d62a17ae | 5510 | if (!mac) { |
5511 | mac = zvni_mac_add(zvni, macaddr); | |
5512 | if (!mac) { | |
2853fed6 | 5513 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
d62a17ae | 5514 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5515 | ifp->name, ifp->ifindex, vid); | |
5516 | return -1; | |
5517 | } | |
5518 | } | |
5519 | ||
5520 | /* Set "local" forwarding info. */ | |
5521 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5522 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5523 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5524 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5525 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5526 | mac->fwd_info.local.vid = vid; | |
5527 | ||
5528 | if (sticky) | |
5529 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5530 | else | |
5531 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5532 | ||
5533 | /* Inform BGP if required. */ | |
b6938a74 | 5534 | if (add) { |
2853fed6 | 5535 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5536 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
ead40654 | 5537 | mac->flags); |
b6938a74 | 5538 | } |
d62a17ae | 5539 | |
5540 | return 0; | |
2232a77c | 5541 | } |
13d60d35 | 5542 | |
5543 | /* | |
5544 | * Handle message from client to delete a remote VTEP for a VNI. | |
5545 | */ | |
e4bd522a | 5546 | int zebra_vxlan_remote_vtep_del(struct zserv *client, u_short length, |
d62a17ae | 5547 | struct zebra_vrf *zvrf) |
5548 | { | |
5549 | struct stream *s; | |
5550 | u_short l = 0; | |
5551 | vni_t vni; | |
5552 | struct in_addr vtep_ip; | |
5553 | zebra_vni_t *zvni; | |
5554 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5555 | struct interface *ifp; |
5556 | struct zebra_if *zif; | |
d62a17ae | 5557 | |
ec93aa12 | 5558 | if (!is_evpn_enabled()) { |
996c9314 LB |
5559 | zlog_warn( |
5560 | "%s: EVPN is not enabled yet we have received a vtep del command", | |
5561 | __PRETTY_FUNCTION__); | |
ec93aa12 DS |
5562 | return -1; |
5563 | } | |
5564 | ||
2853fed6 | 5565 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5566 | zlog_err("Recv MACIP DEL for non-default VRF %u", | |
5567 | zvrf_id(zvrf)); | |
5568 | return -1; | |
5569 | } | |
5570 | ||
d62a17ae | 5571 | s = client->ibuf; |
5572 | ||
5573 | while (l < length) { | |
5574 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5575 | STREAM_GETL(s, vni); |
d62a17ae | 5576 | l += 4; |
ec93aa12 | 5577 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5578 | l += IPV4_MAX_BYTELEN; |
5579 | ||
5580 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5581 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5582 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5583 | zebra_route_string(client->proto)); |
5584 | ||
5585 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5586 | zvni = zvni_lookup(vni); |
d62a17ae | 5587 | if (!zvni) { |
5588 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5589 | zlog_debug( | |
5590 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5591 | "VNI %u", |
5592 | vni); | |
d62a17ae | 5593 | continue; |
5594 | } | |
5595 | ||
b5ebdc9b | 5596 | ifp = zvni->vxlan_if; |
5597 | if (!ifp) { | |
60466a63 QY |
5598 | zlog_err( |
5599 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", | |
5600 | zvni->vni, zvni); | |
b682f6de | 5601 | continue; |
b5ebdc9b | 5602 | } |
5603 | zif = ifp->info; | |
5604 | ||
5605 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5606 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5607 | continue; |
5608 | ||
d62a17ae | 5609 | /* If the remote VTEP does not exist, there's nothing more to |
5610 | * do. | |
5611 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5612 | * and | |
5613 | * then, the VTEP entry itself and remove it. | |
5614 | */ | |
5615 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5616 | if (!zvtep) | |
5617 | continue; | |
5618 | ||
5619 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5620 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5621 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5622 | zvni_vtep_del(zvni, zvtep); | |
5623 | } | |
5624 | ||
ec93aa12 | 5625 | stream_failure: |
d62a17ae | 5626 | return 0; |
13d60d35 | 5627 | } |
5628 | ||
5629 | /* | |
5630 | * Handle message from client to add a remote VTEP for a VNI. | |
5631 | */ | |
e4bd522a | 5632 | int zebra_vxlan_remote_vtep_add(struct zserv *client, u_short length, |
d62a17ae | 5633 | struct zebra_vrf *zvrf) |
5634 | { | |
5635 | struct stream *s; | |
5636 | u_short l = 0; | |
5637 | vni_t vni; | |
5638 | struct in_addr vtep_ip; | |
5639 | zebra_vni_t *zvni; | |
b5ebdc9b | 5640 | struct interface *ifp; |
5641 | struct zebra_if *zif; | |
d62a17ae | 5642 | |
ec93aa12 | 5643 | if (!is_evpn_enabled()) { |
996c9314 LB |
5644 | zlog_warn( |
5645 | "%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5646 | __PRETTY_FUNCTION__); | |
ec93aa12 DS |
5647 | return -1; |
5648 | } | |
5649 | ||
2853fed6 | 5650 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5651 | zlog_err("Recv MACIP ADD for non-default VRF %u", | |
5652 | zvrf_id(zvrf)); | |
5653 | return -1; | |
5654 | } | |
d62a17ae | 5655 | |
5656 | s = client->ibuf; | |
5657 | ||
5658 | while (l < length) { | |
5659 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5660 | STREAM_GETL(s, vni); |
d62a17ae | 5661 | l += 4; |
ec93aa12 | 5662 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5663 | l += IPV4_MAX_BYTELEN; |
5664 | ||
5665 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5666 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5667 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5668 | zebra_route_string(client->proto)); |
5669 | ||
5670 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5671 | zvni = zvni_lookup(vni); |
d62a17ae | 5672 | if (!zvni) { |
5673 | zlog_err( | |
2853fed6 | 5674 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5675 | vni); | |
d62a17ae | 5676 | continue; |
5677 | } | |
b5ebdc9b | 5678 | |
5679 | ifp = zvni->vxlan_if; | |
5680 | if (!ifp) { | |
d62a17ae | 5681 | zlog_err( |
5682 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
5683 | zvni->vni, zvni); | |
5684 | continue; | |
5685 | } | |
5686 | ||
b5ebdc9b | 5687 | zif = ifp->info; |
d62a17ae | 5688 | |
b5ebdc9b | 5689 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5690 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5691 | continue; |
5692 | ||
b682f6de | 5693 | /* If the remote VTEP already exists, |
5694 | there's nothing more to do. */ | |
b5ebdc9b | 5695 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5696 | continue; |
5697 | ||
5698 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
996c9314 LB |
5699 | zlog_err("Failed to add remote VTEP, VNI %u zvni %p", |
5700 | vni, zvni); | |
d62a17ae | 5701 | continue; |
5702 | } | |
5703 | ||
5704 | zvni_vtep_install(zvni, &vtep_ip); | |
5705 | } | |
5706 | ||
ec93aa12 | 5707 | stream_failure: |
d62a17ae | 5708 | return 0; |
13d60d35 | 5709 | } |
5710 | ||
1a98c087 MK |
5711 | /* |
5712 | * Add/Del gateway macip to evpn | |
5713 | * g/w can be: | |
5714 | * 1. SVI interface on a vlan aware bridge | |
5715 | * 2. SVI interface on a vlan unaware bridge | |
5716 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5717 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5718 | */ | |
5719 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5720 | int add) | |
5721 | { | |
5722 | struct ipaddr ip; | |
5723 | struct ethaddr macaddr; | |
5724 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5725 | |
5726 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5727 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5728 | ||
2853fed6 | 5729 | /* Check if EVPN is enabled. */ |
5730 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5731 | return 0; |
5732 | ||
1a98c087 MK |
5733 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5734 | struct interface *svi_if = | |
5735 | NULL; /* SVI corresponding to the MACVLAN */ | |
5736 | struct zebra_if *ifp_zif = | |
5737 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5738 | struct zebra_if *svi_if_zif = | |
5739 | NULL; /* Zebra daemon specific info for SVI*/ | |
5740 | ||
5741 | ifp_zif = ifp->info; | |
5742 | if (!ifp_zif) | |
5743 | return -1; | |
5744 | ||
71349e03 MK |
5745 | /* |
5746 | * for a MACVLAN interface the link represents the svi_if | |
5747 | */ | |
5748 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5749 | ifp_zif->link_ifindex); | |
1a98c087 | 5750 | if (!svi_if) { |
2853fed6 | 5751 | zlog_err("MACVLAN %s(%u) without link information", |
5752 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5753 | return -1; |
5754 | } | |
5755 | ||
5756 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5757 | /* |
5758 | * If it is a vlan aware bridge then the link gives the | |
5759 | * bridge information | |
5760 | */ | |
5761 | struct interface *svi_if_link = NULL; | |
5762 | ||
1a98c087 | 5763 | svi_if_zif = svi_if->info; |
71349e03 MK |
5764 | if (svi_if_zif) { |
5765 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5766 | zebra_ns_lookup(NS_DEFAULT), |
5767 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5768 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5769 | } |
1a98c087 | 5770 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5771 | /* |
5772 | * If it is a vlan unaware bridge then svi is the bridge | |
5773 | * itself | |
5774 | */ | |
b7cfce93 | 5775 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5776 | } |
5777 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5778 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5779 | NULL; /* Zebra daemon specific info for SVI */ |
5780 | struct interface *svi_if_link = | |
5781 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5782 | |
5783 | svi_if_zif = ifp->info; | |
60466a63 QY |
5784 | svi_if_link = if_lookup_by_index_per_ns( |
5785 | zebra_ns_lookup(NS_DEFAULT), svi_if_zif->link_ifindex); | |
71349e03 | 5786 | if (svi_if_zif && svi_if_link) |
b7cfce93 | 5787 | zvni = zvni_from_svi(ifp, svi_if_link); |
1a98c087 | 5788 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5789 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5790 | } |
5791 | ||
5792 | if (!zvni) | |
5793 | return 0; | |
5794 | ||
5795 | if (!zvni->vxlan_if) { | |
5796 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
5797 | zvni->vni, zvni); | |
5798 | return -1; | |
5799 | } | |
5800 | ||
1a98c087 | 5801 | |
1a98c087 MK |
5802 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
5803 | ||
5804 | if (p->family == AF_INET) { | |
5805 | ip.ipa_type = IPADDR_V4; | |
5806 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5807 | sizeof(struct in_addr)); | |
5808 | } else if (p->family == AF_INET6) { | |
5809 | ip.ipa_type = IPADDR_V6; | |
5810 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5811 | sizeof(struct in6_addr)); | |
5812 | } | |
5813 | ||
5814 | ||
5815 | if (add) | |
5816 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5817 | else | |
5818 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5819 | ||
5820 | return 0; | |
5821 | } | |
5822 | ||
2232a77c | 5823 | /* |
b7cfce93 MK |
5824 | * Handle SVI interface going down. |
5825 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5826 | * For L2-VNI: At this point, this is a NOP since | |
5827 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5828 | * We only need to update the vrf corresponding to zvni. | |
5829 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5830 | * from bgp | |
2232a77c | 5831 | */ |
d62a17ae | 5832 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5833 | { |
b7cfce93 MK |
5834 | zebra_l3vni_t *zl3vni = NULL; |
5835 | ||
5836 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5837 | if (zl3vni) { | |
5838 | ||
5839 | /* process l3-vni down */ | |
5840 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5841 | ||
5842 | /* remove association with svi-if */ | |
5843 | zl3vni->svi_if = NULL; | |
5844 | } else { | |
5845 | zebra_vni_t *zvni = NULL; | |
5846 | ||
5847 | /* since we dont have svi corresponding to zvni, we associate it | |
5848 | * to default vrf. Note: the corresponding neigh entries on the | |
5849 | * SVI would have already been deleted */ | |
5850 | zvni = zvni_from_svi(ifp, link_if); | |
5851 | if (zvni) { | |
5852 | zvni->vrf_id = VRF_DEFAULT; | |
5853 | ||
5854 | /* update the tenant vrf in BGP */ | |
5855 | zvni_send_add_to_client(zvni); | |
5856 | } | |
5857 | } | |
d62a17ae | 5858 | return 0; |
2232a77c | 5859 | } |
5860 | ||
5861 | /* | |
b7cfce93 MK |
5862 | * Handle SVI interface coming up. |
5863 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
5864 | * vxlan intf). | |
5865 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
5866 | * apr-suppression) | |
5867 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 5868 | */ |
d62a17ae | 5869 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 5870 | { |
b7cfce93 MK |
5871 | zebra_vni_t *zvni = NULL; |
5872 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 5873 | |
b7cfce93 MK |
5874 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5875 | if (zl3vni) { | |
2232a77c | 5876 | |
b7cfce93 MK |
5877 | /* associate with svi */ |
5878 | zl3vni->svi_if = ifp; | |
2232a77c | 5879 | |
b7cfce93 MK |
5880 | /* process oper-up */ |
5881 | if (is_l3vni_oper_up(zl3vni)) | |
5882 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5883 | } else { | |
5884 | ||
5885 | /* process SVI up for l2-vni */ | |
5886 | struct neigh_walk_ctx n_wctx; | |
5887 | ||
5888 | zvni = zvni_from_svi(ifp, link_if); | |
5889 | if (!zvni) | |
5890 | return 0; | |
5891 | ||
5892 | if (!zvni->vxlan_if) { | |
5893 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
5894 | zvni->vni, zvni); | |
5895 | return -1; | |
5896 | } | |
5897 | ||
5898 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5899 | zlog_debug( |
5900 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
5901 | ifp->name, ifp->ifindex, zvni->vni, | |
5902 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 5903 | |
b7cfce93 MK |
5904 | /* update the vrf information for l2-vni and inform bgp */ |
5905 | zvni->vrf_id = ifp->vrf_id; | |
5906 | zvni_send_add_to_client(zvni); | |
5907 | ||
5908 | /* Install any remote neighbors for this VNI. */ | |
5909 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
5910 | n_wctx.zvni = zvni; | |
996c9314 | 5911 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
5912 | &n_wctx); |
5913 | } | |
2232a77c | 5914 | |
d62a17ae | 5915 | return 0; |
2232a77c | 5916 | } |
5917 | ||
13d60d35 | 5918 | /* |
b7cfce93 | 5919 | * Handle VxLAN interface down |
13d60d35 | 5920 | */ |
d62a17ae | 5921 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 5922 | { |
d62a17ae | 5923 | vni_t vni; |
b7cfce93 MK |
5924 | struct zebra_if *zif = NULL; |
5925 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 5926 | zebra_l3vni_t *zl3vni = NULL; |
5927 | zebra_vni_t *zvni; | |
13d60d35 | 5928 | |
2853fed6 | 5929 | /* Check if EVPN is enabled. */ |
5930 | if (!is_evpn_enabled()) | |
d62a17ae | 5931 | return 0; |
13d60d35 | 5932 | |
d62a17ae | 5933 | zif = ifp->info; |
5934 | assert(zif); | |
5935 | vxl = &zif->l2info.vxl; | |
5936 | vni = vxl->vni; | |
13d60d35 | 5937 | |
643215ce | 5938 | zl3vni = zl3vni_lookup(vni); |
5939 | if (zl3vni) { | |
b7cfce93 | 5940 | /* process-if-down for l3-vni */ |
b7cfce93 | 5941 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5942 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
5943 | ifp->ifindex, vni); | |
b7cfce93 | 5944 | |
b7cfce93 | 5945 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
5946 | } else { |
5947 | /* process if-down for l2-vni */ | |
b7cfce93 | 5948 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5949 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
5950 | ifp->ifindex, vni); | |
13d60d35 | 5951 | |
b7cfce93 MK |
5952 | /* Locate hash entry; it is expected to exist. */ |
5953 | zvni = zvni_lookup(vni); | |
5954 | if (!zvni) { | |
5955 | zlog_err( | |
5956 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", | |
5957 | ifp->name, ifp->ifindex, vni); | |
5958 | return -1; | |
5959 | } | |
13d60d35 | 5960 | |
b7cfce93 | 5961 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 5962 | |
b7cfce93 MK |
5963 | /* Delete this VNI from BGP. */ |
5964 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 5965 | |
b7cfce93 MK |
5966 | /* Free up all neighbors and MACs, if any. */ |
5967 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
5968 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 5969 | |
b7cfce93 MK |
5970 | /* Free up all remote VTEPs, if any. */ |
5971 | zvni_vtep_del_all(zvni, 1); | |
5972 | } | |
d62a17ae | 5973 | return 0; |
13d60d35 | 5974 | } |
5975 | ||
5976 | /* | |
5977 | * Handle VxLAN interface up - update BGP if required. | |
5978 | */ | |
d62a17ae | 5979 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 5980 | { |
d62a17ae | 5981 | vni_t vni; |
b7cfce93 MK |
5982 | struct zebra_if *zif = NULL; |
5983 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 5984 | zebra_vni_t *zvni = NULL; |
5985 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 5986 | |
2853fed6 | 5987 | /* Check if EVPN is enabled. */ |
5988 | if (!is_evpn_enabled()) | |
d62a17ae | 5989 | return 0; |
13d60d35 | 5990 | |
d62a17ae | 5991 | zif = ifp->info; |
5992 | assert(zif); | |
5993 | vxl = &zif->l2info.vxl; | |
5994 | vni = vxl->vni; | |
13d60d35 | 5995 | |
643215ce | 5996 | zl3vni = zl3vni_lookup(vni); |
5997 | if (zl3vni) { | |
13d60d35 | 5998 | |
b7cfce93 | 5999 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6000 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6001 | ifp->ifindex, vni); | |
13d60d35 | 6002 | |
b7cfce93 | 6003 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6004 | * svi-if only after association with vxlan-intf is complete |
6005 | */ | |
b7cfce93 MK |
6006 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6007 | ||
6008 | if (is_l3vni_oper_up(zl3vni)) | |
6009 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6010 | } else { | |
6011 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6012 | struct interface *vlan_if = NULL; |
6013 | ||
6014 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6015 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6016 | ifp->ifindex, vni); | |
b7cfce93 MK |
6017 | |
6018 | /* Locate hash entry; it is expected to exist. */ | |
6019 | zvni = zvni_lookup(vni); | |
6020 | if (!zvni) { | |
6021 | zlog_err( | |
6022 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", | |
6023 | ifp->name, ifp->ifindex, vni); | |
6024 | return -1; | |
6025 | } | |
6026 | ||
6027 | assert(zvni->vxlan_if == ifp); | |
6028 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6029 | zif->brslave_info.br_if); | |
6030 | if (vlan_if) { | |
6031 | zvni->vrf_id = vlan_if->vrf_id; | |
6032 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6033 | if (zl3vni) | |
6034 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6035 | } | |
6036 | ||
6037 | /* If part of a bridge, inform BGP about this VNI. */ | |
6038 | /* Also, read and populate local MACs and neighbors. */ | |
6039 | if (zif->brslave_info.br_if) { | |
6040 | zvni_send_add_to_client(zvni); | |
6041 | zvni_read_mac_neigh(zvni, ifp); | |
6042 | } | |
d62a17ae | 6043 | } |
13d60d35 | 6044 | |
d62a17ae | 6045 | return 0; |
13d60d35 | 6046 | } |
6047 | ||
6048 | /* | |
6049 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6050 | * and update BGP, if required. | |
6051 | */ | |
d62a17ae | 6052 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6053 | { |
d62a17ae | 6054 | vni_t vni; |
b7cfce93 MK |
6055 | struct zebra_if *zif = NULL; |
6056 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6057 | zebra_vni_t *zvni = NULL; |
6058 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6059 | |
2853fed6 | 6060 | /* Check if EVPN is enabled. */ |
6061 | if (!is_evpn_enabled()) | |
d62a17ae | 6062 | return 0; |
13d60d35 | 6063 | |
d62a17ae | 6064 | zif = ifp->info; |
6065 | assert(zif); | |
6066 | vxl = &zif->l2info.vxl; | |
6067 | vni = vxl->vni; | |
13d60d35 | 6068 | |
643215ce | 6069 | zl3vni = zl3vni_lookup(vni); |
6070 | if (zl3vni) { | |
b7cfce93 MK |
6071 | |
6072 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6073 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6074 | ifp->ifindex); | |
13d60d35 | 6075 | |
b7cfce93 MK |
6076 | /* process oper-down for l3-vni */ |
6077 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6078 | |
b7cfce93 | 6079 | /* remove the association with vxlan_if */ |
b67a60d2 | 6080 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6081 | zl3vni->vxlan_if = NULL; |
6082 | } else { | |
13d60d35 | 6083 | |
b7cfce93 | 6084 | /* process if-del for l2-vni*/ |
b7cfce93 | 6085 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6086 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6087 | ifp->ifindex); | |
b7cfce93 MK |
6088 | |
6089 | /* Locate hash entry; it is expected to exist. */ | |
6090 | zvni = zvni_lookup(vni); | |
6091 | if (!zvni) { | |
6092 | zlog_err( | |
6093 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", | |
6094 | ifp->name, ifp->ifindex, vni); | |
6095 | return 0; | |
6096 | } | |
6097 | ||
6098 | /* remove from l3-vni list */ | |
6099 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6100 | if (zl3vni) | |
6101 | listnode_delete(zl3vni->l2vnis, zvni); | |
6102 | ||
6103 | /* Delete VNI from BGP. */ | |
6104 | zvni_send_del_to_client(zvni->vni); | |
6105 | ||
6106 | /* Free up all neighbors and MAC, if any. */ | |
6107 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6108 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6109 | ||
6110 | /* Free up all remote VTEPs, if any. */ | |
6111 | zvni_vtep_del_all(zvni, 0); | |
6112 | ||
6113 | /* Delete the hash entry. */ | |
6114 | if (zvni_del(zvni)) { | |
6115 | zlog_err("Failed to del VNI hash %p, IF %s(%u) VNI %u", | |
6116 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
6117 | return -1; | |
6118 | } | |
d62a17ae | 6119 | } |
d62a17ae | 6120 | return 0; |
13d60d35 | 6121 | } |
6122 | ||
6123 | /* | |
6124 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6125 | */ | |
d62a17ae | 6126 | int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags) |
6127 | { | |
d62a17ae | 6128 | vni_t vni; |
b7cfce93 MK |
6129 | struct zebra_if *zif = NULL; |
6130 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6131 | zebra_vni_t *zvni = NULL; |
6132 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6133 | |
2853fed6 | 6134 | /* Check if EVPN is enabled. */ |
6135 | if (!is_evpn_enabled()) | |
d62a17ae | 6136 | return 0; |
6137 | ||
6138 | zif = ifp->info; | |
6139 | assert(zif); | |
6140 | vxl = &zif->l2info.vxl; | |
6141 | vni = vxl->vni; | |
6142 | ||
643215ce | 6143 | zl3vni = zl3vni_lookup(vni); |
6144 | if (zl3vni) { | |
af026ae4 | 6145 | |
b7cfce93 MK |
6146 | if (IS_ZEBRA_DEBUG_VXLAN) |
6147 | zlog_debug( | |
6148 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6149 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6150 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6151 | zif->brslave_info.bridge_ifindex, chgflags); |
6152 | ||
6153 | /* Removed from bridge? Cleanup and return */ | |
6154 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6155 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6156 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6157 | return 0; | |
6158 | } | |
6159 | ||
6160 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6161 | * svi_if and then process oper up again |
6162 | */ | |
b7cfce93 MK |
6163 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6164 | if (if_is_operative(ifp)) { | |
6165 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6166 | zl3vni->svi_if = NULL; | |
6167 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6168 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6169 | if (is_l3vni_oper_up(zl3vni)) |
6170 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6171 | zl3vni); |
b7cfce93 MK |
6172 | } |
6173 | } | |
d62a17ae | 6174 | |
12eeac84 MK |
6175 | /* |
6176 | * local-ip change - process oper down, associate with new | |
6177 | * local-ip and then process oper up again | |
6178 | */ | |
6179 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6180 | if (if_is_operative(ifp)) { | |
6181 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6182 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6183 | if (is_l3vni_oper_up(zl3vni)) | |
6184 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6185 | zl3vni); |
12eeac84 MK |
6186 | } |
6187 | } | |
6188 | ||
bca63dc8 MK |
6189 | /* Update local tunnel IP. */ |
6190 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6191 | ||
12eeac84 MK |
6192 | /* if we have a valid new master, process l3-vni oper up */ |
6193 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6194 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6195 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6196 | } | |
6197 | } else { | |
d62a17ae | 6198 | |
b7cfce93 MK |
6199 | /* Update VNI hash. */ |
6200 | zvni = zvni_lookup(vni); | |
6201 | if (!zvni) { | |
6202 | zlog_err( | |
6203 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", | |
6204 | ifp->name, ifp->ifindex, vni); | |
6205 | return -1; | |
6206 | } | |
d62a17ae | 6207 | |
b7cfce93 MK |
6208 | if (IS_ZEBRA_DEBUG_VXLAN) |
6209 | zlog_debug( | |
6210 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6211 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6212 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6213 | zif->brslave_info.bridge_ifindex, chgflags); |
6214 | ||
6215 | /* Removed from bridge? Cleanup and return */ | |
6216 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6217 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6218 | /* Delete from client, remove all remote VTEPs */ | |
6219 | /* Also, free up all MACs and neighbors. */ | |
6220 | zvni_send_del_to_client(zvni->vni); | |
6221 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6222 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6223 | zvni_vtep_del_all(zvni, 1); | |
6224 | return 0; | |
6225 | } | |
d62a17ae | 6226 | |
b7cfce93 MK |
6227 | /* Handle other changes. */ |
6228 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6229 | /* Remove all existing local neigh and MACs for this VNI | |
6230 | * (including from BGP) | |
6231 | */ | |
6232 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6233 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6234 | } | |
d62a17ae | 6235 | |
b7cfce93 MK |
6236 | zvni->local_vtep_ip = vxl->vtep_ip; |
6237 | zvni->vxlan_if = ifp; | |
d62a17ae | 6238 | |
b7cfce93 MK |
6239 | /* Take further actions needed. |
6240 | * Note that if we are here, there is a change of interest. | |
6241 | */ | |
6242 | /* If down or not mapped to a bridge, we're done. */ | |
6243 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6244 | return 0; | |
d62a17ae | 6245 | |
b7cfce93 MK |
6246 | /* Inform BGP, if there is a change of interest. */ |
6247 | if (chgflags | |
6248 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6249 | zvni_send_add_to_client(zvni); | |
6250 | ||
6251 | /* If there is a valid new master or a VLAN mapping change, | |
6252 | * read and populate local MACs and neighbors. | |
6253 | * Also, reinstall any remote MACs and neighbors | |
6254 | * for this VNI (based on new VLAN). | |
6255 | */ | |
6256 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6257 | zvni_read_mac_neigh(zvni, ifp); | |
6258 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6259 | struct mac_walk_ctx m_wctx; | |
6260 | struct neigh_walk_ctx n_wctx; | |
6261 | ||
6262 | zvni_read_mac_neigh(zvni, ifp); | |
6263 | ||
6264 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6265 | m_wctx.zvni = zvni; | |
996c9314 | 6266 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6267 | &m_wctx); |
6268 | ||
6269 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6270 | n_wctx.zvni = zvni; | |
6271 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6272 | &n_wctx); | |
6273 | } | |
d62a17ae | 6274 | } |
6275 | ||
6276 | return 0; | |
13d60d35 | 6277 | } |
6278 | ||
6279 | /* | |
6280 | * Handle VxLAN interface add. | |
6281 | */ | |
d62a17ae | 6282 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6283 | { |
d62a17ae | 6284 | vni_t vni; |
b7cfce93 MK |
6285 | struct zebra_if *zif = NULL; |
6286 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6287 | zebra_vni_t *zvni = NULL; |
6288 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6289 | |
2853fed6 | 6290 | /* Check if EVPN is enabled. */ |
6291 | if (!is_evpn_enabled()) | |
d62a17ae | 6292 | return 0; |
13d60d35 | 6293 | |
d62a17ae | 6294 | zif = ifp->info; |
6295 | assert(zif); | |
6296 | vxl = &zif->l2info.vxl; | |
6297 | vni = vxl->vni; | |
13d60d35 | 6298 | |
643215ce | 6299 | zl3vni = zl3vni_lookup(vni); |
6300 | if (zl3vni) { | |
13d60d35 | 6301 | |
b7cfce93 | 6302 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6303 | if (IS_ZEBRA_DEBUG_VXLAN) |
6304 | zlog_debug( | |
6305 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6306 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6307 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6308 | zif->brslave_info.bridge_ifindex); |
6309 | ||
b7cfce93 | 6310 | /* associate with vxlan_if */ |
b67a60d2 | 6311 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6312 | zl3vni->vxlan_if = ifp; |
6313 | ||
6314 | /* Associate with SVI, if any. We can associate with svi-if only | |
6315 | * after association with vxlan_if is complete */ | |
6316 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6317 | ||
6318 | if (is_l3vni_oper_up(zl3vni)) | |
6319 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6320 | } else { | |
6321 | ||
6322 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6323 | struct interface *vlan_if = NULL; |
6324 | ||
6325 | /* Create or update VNI hash. */ | |
6326 | zvni = zvni_lookup(vni); | |
6327 | if (!zvni) { | |
6328 | zvni = zvni_add(vni); | |
6329 | if (!zvni) { | |
6330 | zlog_err( | |
6331 | "Failed to add VNI hash, IF %s(%u) VNI %u", | |
6332 | ifp->name, ifp->ifindex, vni); | |
6333 | return -1; | |
6334 | } | |
6335 | } | |
6336 | ||
6337 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6338 | zvni->vxlan_if = ifp; | |
6339 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6340 | zif->brslave_info.br_if); | |
6341 | if (vlan_if) { | |
6342 | zvni->vrf_id = vlan_if->vrf_id; | |
6343 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6344 | if (zl3vni) | |
6345 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6346 | } | |
6347 | ||
6348 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6349 | zlog_debug( | |
6350 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6351 | vni, | |
996c9314 LB |
6352 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6353 | : "Default", | |
6354 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6355 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6356 | zif->brslave_info.bridge_ifindex); |
6357 | ||
6358 | /* If down or not mapped to a bridge, we're done. */ | |
6359 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6360 | return 0; | |
6361 | ||
6362 | /* Inform BGP */ | |
6363 | zvni_send_add_to_client(zvni); | |
6364 | ||
6365 | /* Read and populate local MACs and neighbors */ | |
6366 | zvni_read_mac_neigh(zvni, ifp); | |
6367 | } | |
6368 | ||
6369 | return 0; | |
6370 | } | |
6371 | ||
996c9314 LB |
6372 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6373 | char *err, int err_str_sz, int filter, | |
6374 | int add) | |
b7cfce93 MK |
6375 | { |
6376 | zebra_l3vni_t *zl3vni = NULL; | |
6377 | struct zebra_vrf *zvrf_default = NULL; | |
6378 | ||
6379 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6380 | if (!zvrf_default) | |
6381 | return -1; | |
6382 | ||
6383 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6384 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6385 | add ? "ADD" : "DEL"); |
6386 | ||
6387 | if (add) { | |
6388 | ||
6389 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6390 | ||
6391 | /* check if the vni is already present under zvrf */ | |
6392 | if (zvrf->l3vni) { | |
3f02fbab | 6393 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6394 | "VNI is already configured under the vrf"); |
6395 | return -1; | |
6396 | } | |
6397 | ||
6398 | /* check if this VNI is already present in the system */ | |
6399 | zl3vni = zl3vni_lookup(vni); | |
6400 | if (zl3vni) { | |
3f02fbab | 6401 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6402 | "VNI is already configured as L3-VNI"); |
6403 | return -1; | |
6404 | } | |
6405 | ||
6406 | /* add the L3-VNI to the global table */ | |
6407 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6408 | if (!zl3vni) { | |
996c9314 | 6409 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6410 | return -1; |
6411 | } | |
6412 | ||
6413 | /* associate the vrf with vni */ | |
6414 | zvrf->l3vni = vni; | |
6415 | ||
c48d9f5f MK |
6416 | /* set the filter in l3vni to denote if we are using l3vni only |
6417 | * for prefix routes | |
6418 | */ | |
6419 | if (filter) | |
6420 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6421 | ||
b7cfce93 | 6422 | /* associate with vxlan-intf; |
523cafc4 | 6423 | * we need to associate with the vxlan-intf first |
6424 | */ | |
b7cfce93 MK |
6425 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6426 | ||
6427 | /* associate with corresponding SVI interface, we can associate | |
6428 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6429 | * complete |
6430 | */ | |
b7cfce93 MK |
6431 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6432 | ||
6433 | /* formulate l2vni list */ | |
996c9314 LB |
6434 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6435 | zl3vni); | |
b7cfce93 MK |
6436 | |
6437 | if (is_l3vni_oper_up(zl3vni)) | |
6438 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6439 | ||
6440 | } else { | |
6441 | zl3vni = zl3vni_lookup(vni); | |
6442 | if (!zl3vni) { | |
3f02fbab | 6443 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6444 | return -1; |
6445 | } | |
b7cfce93 MK |
6446 | |
6447 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6448 | ||
5e06422c | 6449 | /* delete and uninstall all rmacs */ |
996c9314 | 6450 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6451 | zl3vni); |
6452 | ||
6453 | /* delete and uninstall all next-hops */ | |
996c9314 | 6454 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6455 | zl3vni); |
6456 | ||
b7cfce93 MK |
6457 | zvrf->l3vni = 0; |
6458 | zl3vni_del(zl3vni); | |
6459 | ||
6460 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6461 | } |
b7cfce93 MK |
6462 | return 0; |
6463 | } | |
13d60d35 | 6464 | |
84915b0a | 6465 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6466 | { | |
6467 | zebra_l3vni_t *zl3vni = NULL; | |
6468 | ||
6469 | if (zvrf->l3vni) | |
6470 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6471 | if (!zl3vni) | |
6472 | return 0; | |
6473 | ||
6474 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6475 | if (is_l3vni_oper_up(zl3vni)) | |
6476 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6477 | return 0; | |
6478 | } | |
6479 | ||
6480 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6481 | { |
6482 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6483 | |
84915b0a | 6484 | if (zvrf->l3vni) |
6485 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6486 | if (!zl3vni) |
d62a17ae | 6487 | return 0; |
13d60d35 | 6488 | |
84915b0a | 6489 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6490 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6491 | return 0; |
6492 | } | |
6493 | ||
6494 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6495 | { | |
6496 | zebra_l3vni_t *zl3vni = NULL; | |
6497 | vni_t vni; | |
6498 | ||
6499 | if (zvrf->l3vni) | |
6500 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6501 | if (!zl3vni) | |
6502 | return 0; | |
6503 | ||
6504 | vni = zl3vni->vni; | |
b7cfce93 | 6505 | zl3vni_del(zl3vni); |
84915b0a | 6506 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6507 | |
d62a17ae | 6508 | return 0; |
13d60d35 | 6509 | } |
6510 | ||
31310b25 MK |
6511 | /* |
6512 | * Handle message from client to enable/disable advertisement of g/w macip | |
6513 | * routes | |
6514 | */ | |
6515 | int zebra_vxlan_advertise_subnet(struct zserv *client, u_short length, | |
6516 | struct zebra_vrf *zvrf) | |
6517 | { | |
6518 | struct stream *s; | |
6519 | int advertise; | |
6520 | vni_t vni = 0; | |
6521 | zebra_vni_t *zvni = NULL; | |
6522 | struct interface *ifp = NULL; | |
6523 | struct zebra_if *zif = NULL; | |
6524 | struct zebra_l2info_vxlan zl2_info; | |
6525 | struct interface *vlan_if = NULL; | |
6526 | ||
6527 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
6528 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6529 | zvrf_id(zvrf)); | |
6530 | return -1; | |
6531 | } | |
6532 | ||
6533 | s = client->ibuf; | |
6534 | advertise = stream_getc(s); | |
6535 | vni = stream_get3(s); | |
6536 | ||
6537 | zvni = zvni_lookup(vni); | |
6538 | if (!zvni) | |
6539 | return 0; | |
6540 | ||
6541 | if (zvni->advertise_subnet == advertise) | |
6542 | return 0; | |
6543 | ||
6544 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6545 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6546 | advertise ? "enabled" : "disabled", vni, | |
6547 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6548 | |
6549 | ||
6550 | zvni->advertise_subnet = advertise; | |
6551 | ||
6552 | ifp = zvni->vxlan_if; | |
6553 | if (!ifp) | |
6554 | return 0; | |
6555 | ||
6556 | zif = ifp->info; | |
6557 | ||
6558 | /* If down or not mapped to a bridge, we're done. */ | |
6559 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6560 | return 0; | |
6561 | ||
6562 | zl2_info = zif->l2info.vxl; | |
6563 | ||
996c9314 LB |
6564 | vlan_if = |
6565 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 MK |
6566 | if (!vlan_if) |
6567 | return 0; | |
6568 | ||
6569 | if (zvni->advertise_subnet) | |
6570 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6571 | else | |
6572 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
6573 | ||
6574 | return 0; | |
6575 | } | |
6576 | ||
1a98c087 MK |
6577 | /* |
6578 | * Handle message from client to enable/disable advertisement of g/w macip | |
6579 | * routes | |
6580 | */ | |
e4bd522a DS |
6581 | int zebra_vxlan_advertise_gw_macip(struct zserv *client, u_short length, |
6582 | struct zebra_vrf *zvrf) | |
1a98c087 MK |
6583 | { |
6584 | struct stream *s; | |
6585 | int advertise; | |
6586 | vni_t vni = 0; | |
6587 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6588 | struct interface *ifp = NULL; |
1a98c087 | 6589 | |
2853fed6 | 6590 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6591 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6592 | zvrf_id(zvrf)); | |
6593 | return -1; | |
6594 | } | |
6595 | ||
1a98c087 | 6596 | s = client->ibuf; |
ec93aa12 DS |
6597 | STREAM_GETC(s, advertise); |
6598 | STREAM_GET(&vni, s, 3); | |
1a98c087 MK |
6599 | |
6600 | if (!vni) { | |
6601 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6602 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6603 | advertise ? "enabled" : "disabled", |
2853fed6 | 6604 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6605 | ? "enabled" |
6606 | : "disabled"); | |
6607 | ||
6608 | if (zvrf->advertise_gw_macip == advertise) | |
6609 | return 0; | |
6610 | ||
6611 | zvrf->advertise_gw_macip = advertise; | |
6612 | ||
2853fed6 | 6613 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6614 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6615 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6616 | else |
6617 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6618 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6619 | |
6620 | } else { | |
6621 | struct zebra_if *zif = NULL; | |
6622 | struct zebra_l2info_vxlan zl2_info; | |
6623 | struct interface *vlan_if = NULL; | |
6624 | struct interface *vrr_if = NULL; | |
6625 | ||
01a6143b MK |
6626 | zvni = zvni_lookup(vni); |
6627 | if (!zvni) | |
6628 | return 0; | |
6629 | ||
1a98c087 MK |
6630 | if (IS_ZEBRA_DEBUG_VXLAN) |
6631 | zlog_debug( | |
2853fed6 | 6632 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6633 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6634 | advertise_gw_macip_enabled(zvni) ? "enabled" |
6635 | : "disabled"); | |
1a98c087 | 6636 | |
1a98c087 MK |
6637 | if (zvni->advertise_gw_macip == advertise) |
6638 | return 0; | |
6639 | ||
6640 | zvni->advertise_gw_macip = advertise; | |
6641 | ||
b5ebdc9b | 6642 | ifp = zvni->vxlan_if; |
6643 | if (!ifp) | |
6644 | return 0; | |
6645 | ||
6646 | zif = ifp->info; | |
6647 | ||
6648 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6649 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 6650 | return 0; |
6651 | ||
1a98c087 MK |
6652 | zl2_info = zif->l2info.vxl; |
6653 | ||
2853fed6 | 6654 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6655 | zif->brslave_info.br_if); |
6656 | if (!vlan_if) | |
6657 | return 0; | |
6658 | ||
2853fed6 | 6659 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6660 | /* Add primary SVI MAC-IP */ |
6661 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6662 | ||
6663 | /* Add VRR MAC-IP - if any*/ | |
6664 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6665 | if (vrr_if) | |
6666 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6667 | } else { | |
6668 | /* Del primary MAC-IP */ | |
6669 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6670 | ||
6671 | /* Del VRR MAC-IP - if any*/ | |
6672 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6673 | if (vrr_if) | |
6674 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6675 | } | |
6676 | } | |
6677 | ||
ec93aa12 | 6678 | stream_failure: |
1a98c087 MK |
6679 | return 0; |
6680 | } | |
6681 | ||
6682 | ||
13d60d35 | 6683 | /* |
6684 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6685 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6686 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6687 | * uninstalled from the kernel. | |
6688 | */ | |
996c9314 LB |
6689 | int zebra_vxlan_advertise_all_vni(struct zserv *client, u_short length, |
6690 | struct zebra_vrf *zvrf) | |
13d60d35 | 6691 | { |
655b04d1 MK |
6692 | struct stream *s = NULL; |
6693 | int advertise = 0; | |
6694 | struct zebra_ns *zns = NULL; | |
13d60d35 | 6695 | |
2853fed6 | 6696 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
996c9314 | 6697 | zlog_err("EVPN VNI Adv for non-default VRF %u", zvrf_id(zvrf)); |
2853fed6 | 6698 | return -1; |
6699 | } | |
6700 | ||
d62a17ae | 6701 | s = client->ibuf; |
ec93aa12 | 6702 | STREAM_GETC(s, advertise); |
13d60d35 | 6703 | |
d62a17ae | 6704 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6705 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6706 | advertise ? "enabled" : "disabled", |
2853fed6 | 6707 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6708 | |
d62a17ae | 6709 | if (zvrf->advertise_all_vni == advertise) |
6710 | return 0; | |
13d60d35 | 6711 | |
d62a17ae | 6712 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6713 | if (is_evpn_enabled()) { |
d62a17ae | 6714 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6715 | zvni_build_hash_table(); |
2232a77c | 6716 | |
1a98c087 MK |
6717 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6718 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6719 | NULL); |
1a98c087 | 6720 | |
d62a17ae | 6721 | /* Read the MAC FDB */ |
6722 | macfdb_read(zvrf->zns); | |
2232a77c | 6723 | |
d62a17ae | 6724 | /* Read neighbors */ |
6725 | neigh_read(zvrf->zns); | |
6726 | } else { | |
6727 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6728 | * kernel and free entries. | |
6729 | */ | |
6730 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
6731 | |
6732 | /* cleanup all l3vnis */ | |
6733 | zns = zebra_ns_lookup(NS_DEFAULT); | |
6734 | if (!zns) | |
6735 | return -1; | |
6736 | ||
6737 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 6738 | } |
13d60d35 | 6739 | |
ec93aa12 | 6740 | stream_failure: |
d62a17ae | 6741 | return 0; |
13d60d35 | 6742 | } |
6743 | ||
6744 | /* | |
6745 | * Allocate VNI hash table for this VRF and do other initialization. | |
6746 | * NOTE: Currently supported only for default VRF. | |
6747 | */ | |
d62a17ae | 6748 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6749 | { |
d62a17ae | 6750 | if (!zvrf) |
6751 | return; | |
6752 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6753 | "Zebra VRF VNI Table"); | |
13d60d35 | 6754 | } |
6755 | ||
84915b0a | 6756 | /* Cleanup VNI info, but don't free the table. */ |
6757 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
6758 | { | |
6759 | if (!zvrf) | |
6760 | return; | |
6761 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
6762 | } | |
6763 | ||
13d60d35 | 6764 | /* Close all VNI handling */ |
d62a17ae | 6765 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6766 | { |
2853fed6 | 6767 | if (!zvrf) |
6768 | return; | |
d62a17ae | 6769 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6770 | hash_free(zvrf->vni_table); |
13d60d35 | 6771 | } |
b7cfce93 MK |
6772 | |
6773 | /* init the l3vni table */ | |
6774 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6775 | { | |
6776 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6777 | "Zebra VRF L3 VNI table"); | |
6778 | } | |
6779 | ||
6780 | /* free l3vni table */ | |
6781 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6782 | { | |
6783 | hash_free(zns->l3vni_table); | |
6784 | } | |
d3135ba3 | 6785 | |
6786 | /* get the l3vni svi ifindex */ | |
6787 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6788 | { | |
6789 | zebra_l3vni_t *zl3vni = NULL; | |
6790 | ||
6791 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6792 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6793 | return 0; | |
6794 | ||
6795 | return zl3vni->svi_if->ifindex; | |
6796 | } |