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13d60d35 | 1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "table.h" | |
28 | #include "memory.h" | |
29 | #include "log.h" | |
30 | #include "linklist.h" | |
31 | #include "stream.h" | |
32 | #include "hash.h" | |
33 | #include "jhash.h" | |
34 | #include "vlan.h" | |
35 | #include "vxlan.h" | |
36 | ||
37 | #include "zebra/rib.h" | |
38 | #include "zebra/rt.h" | |
39 | #include "zebra/zebra_ns.h" | |
40 | #include "zebra/zserv.h" | |
41 | #include "zebra/debug.h" | |
42 | #include "zebra/interface.h" | |
43 | #include "zebra/zebra_vrf.h" | |
44 | #include "zebra/rt_netlink.h" | |
45 | #include "zebra/zebra_vxlan_private.h" | |
46 | #include "zebra/zebra_vxlan.h" | |
47 | #include "zebra/zebra_memory.h" | |
48 | #include "zebra/zebra_l2.h" | |
cd233079 | 49 | #include "lib/json.h" |
13d60d35 | 50 | |
6134fd82 | 51 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 52 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 53 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 54 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 55 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
56 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 57 | |
58 | /* definitions */ | |
59 | ||
60 | ||
61 | /* static function declarations */ | |
cd233079 | 62 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 63 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
64 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 65 | void **args); |
c0e519d3 MK |
66 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
67 | json_object *json); | |
316f4ca4 MK |
68 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
69 | json_object *json); | |
d62a17ae | 70 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
71 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
72 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
73 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
74 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 75 | |
2853fed6 | 76 | static int zvni_macip_send_msg_to_client(vni_t vni, |
d62a17ae | 77 | 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); | |
2853fed6 | 89 | static void zvni_neigh_del_all(zebra_vni_t *zvni, |
d62a17ae | 90 | int uninstall, int upd_client, u_int32_t flags); |
91 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); | |
2853fed6 | 92 | static int zvni_neigh_send_add_to_client(vni_t vni, |
d62a17ae | 93 | struct ipaddr *ip, |
1a98c087 | 94 | struct ethaddr *macaddr, u_char flags); |
2853fed6 | 95 | static int zvni_neigh_send_del_to_client(vni_t vni, |
d62a17ae | 96 | struct ipaddr *ip, |
1a98c087 | 97 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 98 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
99 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 100 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
d62a17ae | 101 | struct interface *br_if); |
2853fed6 | 102 | static struct interface *zvni_map_to_svi(vlanid_t vid, |
d62a17ae | 103 | struct interface *br_if); |
104 | ||
b7cfce93 | 105 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 106 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
107 | struct ipaddr *ip); |
108 | static void *zl3vni_nh_alloc(void *p); | |
109 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
110 | struct ipaddr *vtep_ip, | |
111 | struct ethaddr *rmac); | |
112 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
113 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 114 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
115 | |
116 | /* l3-vni rmac related APIs */ | |
117 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
2dbad57f | 118 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
119 | struct ethaddr *rmac); |
120 | static void *zl3vni_rmac_alloc(void *p); | |
121 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
122 | struct ethaddr *rmac); | |
123 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
124 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
125 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, | |
2dbad57f | 126 | zebra_mac_t *zrmac); |
b7cfce93 MK |
127 | |
128 | /* l3-vni related APIs*/ | |
129 | static int is_vni_l3(vni_t); | |
130 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); | |
131 | static void *zl3vni_alloc(void *p); | |
132 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
133 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
134 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
135 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
136 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
137 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
138 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
139 | ||
d62a17ae | 140 | static unsigned int mac_hash_keymake(void *p); |
141 | static int mac_cmp(const void *p1, const void *p2); | |
142 | static void *zvni_mac_alloc(void *p); | |
143 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
144 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
145 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg); | |
146 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
147 | struct in_addr *r_vtep_ip); | |
2853fed6 | 148 | static void zvni_mac_del_all(zebra_vni_t *zvni, |
d62a17ae | 149 | int uninstall, int upd_client, u_int32_t flags); |
150 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
2853fed6 | 151 | static int zvni_mac_send_add_to_client(vni_t vni, |
1a98c087 | 152 | struct ethaddr *macaddr, u_char flags); |
2853fed6 | 153 | static int zvni_mac_send_del_to_client(vni_t vni, |
1a98c087 | 154 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 155 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
156 | struct interface *br_if, vlanid_t vid); | |
157 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
158 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
159 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
160 | ||
161 | static unsigned int vni_hash_keymake(void *p); | |
162 | static int vni_hash_cmp(const void *p1, const void *p2); | |
163 | static void *zvni_alloc(void *p); | |
2853fed6 | 164 | static zebra_vni_t *zvni_lookup(vni_t vni); |
165 | static zebra_vni_t *zvni_add(vni_t vni); | |
166 | static int zvni_del(zebra_vni_t *zvni); | |
167 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
168 | static int zvni_send_del_to_client(vni_t vni); | |
169 | static void zvni_build_hash_table(); | |
d62a17ae | 170 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
171 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
172 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
173 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
174 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
175 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
176 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
177 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
178 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
179 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
180 | struct ethaddr *macaddr, struct ipaddr *ip); | |
181 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
182 | struct ipaddr *ip); | |
183 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 184 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
185 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
186 | int uninstall); | |
13d60d35 | 187 | |
188 | /* Private functions */ | |
189 | ||
790f8dc5 | 190 | /* |
191 | * Return number of valid MACs in a VNI's MAC hash table - all | |
192 | * remote MACs and non-internal (auto) local MACs count. | |
193 | */ | |
194 | static u_int32_t num_valid_macs(zebra_vni_t *zvni) | |
195 | { | |
196 | unsigned int i; | |
197 | u_int32_t num_macs = 0; | |
198 | struct hash *hash; | |
199 | struct hash_backet *hb; | |
200 | zebra_mac_t *mac; | |
201 | ||
202 | hash = zvni->mac_table; | |
203 | if (!hash) | |
204 | return num_macs; | |
205 | for (i = 0; i < hash->size; i++) { | |
206 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
207 | mac = (zebra_mac_t *)hb->data; | |
208 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
209 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
210 | num_macs++; | |
211 | } | |
212 | } | |
213 | ||
214 | return num_macs; | |
215 | } | |
216 | ||
2853fed6 | 217 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 218 | { |
2853fed6 | 219 | struct zebra_vrf *zvrf; |
220 | ||
221 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
222 | if (zvrf && zvrf->advertise_gw_macip) |
223 | return 1; | |
224 | ||
225 | if (zvni && zvni->advertise_gw_macip) | |
226 | return 1; | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
cec2e17d | 231 | /* |
232 | * Helper function to determine maximum width of neighbor IP address for | |
233 | * display - just because we're dealing with IPv6 addresses that can | |
234 | * widely vary. | |
235 | */ | |
d62a17ae | 236 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 237 | { |
d62a17ae | 238 | zebra_neigh_t *n; |
239 | char buf[INET6_ADDRSTRLEN]; | |
240 | struct neigh_walk_ctx *wctx = ctxt; | |
241 | int width; | |
cec2e17d | 242 | |
d62a17ae | 243 | n = (zebra_neigh_t *)backet->data; |
244 | if (!n) | |
245 | return; | |
cec2e17d | 246 | |
d62a17ae | 247 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
248 | if (width > wctx->addr_width) | |
249 | wctx->addr_width = width; | |
cec2e17d | 250 | } |
251 | ||
252 | /* | |
253 | * Print a specific neighbor entry. | |
254 | */ | |
cd233079 | 255 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 256 | { |
d62a17ae | 257 | struct vty *vty; |
258 | char buf1[ETHER_ADDR_STRLEN]; | |
259 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 260 | |
cd233079 CS |
261 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
262 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
263 | vty = (struct vty *)ctxt; | |
264 | if (json == NULL) { | |
265 | vty_out(vty, "IP: %s\n", | |
266 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
267 | vty_out(vty, " MAC: %s", | |
268 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
269 | } else { | |
270 | json_object_string_add(json, "ip", buf2); | |
271 | json_object_string_add(json, "mac", buf1); | |
272 | } | |
273 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 274 | if (json == NULL) { |
cd233079 CS |
275 | vty_out(vty, " Remote VTEP: %s", |
276 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 277 | } else |
cd233079 CS |
278 | json_object_string_add(json, "remoteVtep", |
279 | inet_ntoa(n->r_vtep_ip)); | |
280 | } | |
f51d8a27 MK |
281 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
282 | if (!json) { | |
283 | vty_out(vty, "\n"); | |
284 | vty_out(vty, " State: %s", | |
285 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
286 | : "Inactive"); | |
287 | } | |
288 | } | |
ead40654 MK |
289 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
290 | if (!json) | |
291 | vty_out(vty, " Default-gateway"); | |
292 | else | |
293 | json_object_boolean_true_add(json, "defaultGateway"); | |
294 | } | |
cd233079 CS |
295 | if (json == NULL) |
296 | vty_out(vty, "\n"); | |
cec2e17d | 297 | } |
298 | ||
299 | /* | |
300 | * Print neighbor hash entry - called for display of all neighbors. | |
301 | */ | |
d62a17ae | 302 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
303 | { | |
304 | struct vty *vty; | |
cd233079 | 305 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 306 | zebra_neigh_t *n; |
307 | char buf1[ETHER_ADDR_STRLEN]; | |
308 | char buf2[INET6_ADDRSTRLEN]; | |
309 | struct neigh_walk_ctx *wctx = ctxt; | |
310 | ||
311 | vty = wctx->vty; | |
cd233079 | 312 | json_vni = wctx->json; |
d62a17ae | 313 | n = (zebra_neigh_t *)backet->data; |
314 | if (!n) | |
315 | return; | |
316 | ||
cd233079 CS |
317 | if (json_vni) |
318 | json_row = json_object_new_object(); | |
319 | ||
d62a17ae | 320 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
321 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
322 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
323 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
324 | if (json_vni == NULL) { |
325 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
326 | buf2, "local", buf1); | |
327 | } else { | |
328 | json_object_string_add(json_row, "type", "local"); | |
329 | json_object_string_add(json_row, "mac", buf1); | |
330 | } | |
d62a17ae | 331 | wctx->count++; |
332 | } else { | |
333 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
334 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
335 | if (json_vni == NULL) { |
336 | if (wctx->count == 0) | |
337 | vty_out(vty, | |
338 | "%*s %-6s %-17s %-21s\n", | |
339 | -wctx->addr_width, | |
340 | "Neighbor", "Type", | |
341 | "MAC", "Remote VTEP"); | |
d62a17ae | 342 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
343 | -wctx->addr_width, buf2, |
344 | "remote", buf1, | |
345 | inet_ntoa(n->r_vtep_ip)); | |
346 | } else { | |
347 | json_object_string_add(json_row, "type", | |
348 | "remote"); | |
349 | json_object_string_add(json_row, "mac", | |
350 | buf1); | |
351 | json_object_string_add( | |
352 | json_row, "remoteVtep", | |
353 | inet_ntoa(n->r_vtep_ip)); | |
354 | } | |
355 | wctx->count++; | |
356 | } | |
357 | } else { | |
358 | if (json_vni == NULL) { | |
d62a17ae | 359 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
360 | -wctx->addr_width, buf2, "remote", buf1, | |
361 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
362 | } else { |
363 | json_object_string_add(json_row, "type", | |
364 | "remote"); | |
365 | json_object_string_add(json_row, "mac", buf1); | |
366 | json_object_string_add(json_row, "remoteVtep", | |
367 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 368 | } |
d62a17ae | 369 | wctx->count++; |
370 | } | |
371 | } | |
cd233079 CS |
372 | |
373 | if (json_vni) | |
374 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 375 | } |
376 | ||
377 | /* | |
378 | * Print neighbors for all VNI. | |
379 | */ | |
d62a17ae | 380 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 381 | void **args) |
cec2e17d | 382 | { |
d62a17ae | 383 | struct vty *vty; |
cd233079 | 384 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 385 | zebra_vni_t *zvni; |
386 | u_int32_t num_neigh; | |
387 | struct neigh_walk_ctx wctx; | |
cd233079 CS |
388 | char vni_str[VNI_STR_LEN]; |
389 | ||
390 | vty = (struct vty *)args[0]; | |
391 | json = (json_object *)args[1]; | |
cec2e17d | 392 | |
d62a17ae | 393 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
394 | if (!zvni) { |
395 | if (json) | |
396 | vty_out(vty, "{}\n"); | |
d62a17ae | 397 | return; |
cd233079 | 398 | } |
d62a17ae | 399 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 CS |
400 | if (json == NULL) |
401 | vty_out(vty, | |
402 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
403 | zvni->vni, num_neigh); | |
404 | else { | |
405 | json_vni = json_object_new_object(); | |
406 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
407 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
408 | } | |
409 | if (!num_neigh) { | |
410 | if (json) | |
411 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 412 | return; |
cd233079 | 413 | } |
cec2e17d | 414 | |
d62a17ae | 415 | /* Since we have IPv6 addresses to deal with which can vary widely in |
416 | * size, we try to be a bit more elegant in display by first computing | |
417 | * the maximum width. | |
418 | */ | |
419 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
420 | wctx.zvni = zvni; | |
421 | wctx.vty = vty; | |
422 | wctx.addr_width = 15; | |
cd233079 | 423 | wctx.json = json_vni; |
d62a17ae | 424 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 425 | |
cd233079 CS |
426 | if (json == NULL) |
427 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
428 | "Type", "MAC", "Remote VTEP"); | |
d62a17ae | 429 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
430 | |
431 | if (json) | |
432 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 433 | } |
434 | ||
9aa741ea MK |
435 | /* print a specific next hop for an l3vni */ |
436 | static void zl3vni_print_nh(zebra_neigh_t *n, | |
c0e519d3 MK |
437 | struct vty *vty, |
438 | json_object *json) | |
9aa741ea MK |
439 | { |
440 | char buf1[ETHER_ADDR_STRLEN]; | |
441 | char buf2[INET6_ADDRSTRLEN]; | |
442 | struct listnode *node = NULL; | |
443 | struct prefix *p = NULL; | |
c0e519d3 | 444 | json_object *json_hosts = NULL; |
9aa741ea | 445 | |
c0e519d3 MK |
446 | if (!json) { |
447 | vty_out(vty, "Ip: %s\n", | |
448 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
449 | vty_out(vty, " RMAC: %s\n", | |
450 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
451 | vty_out(vty, " Host-List:\n"); | |
452 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) | |
453 | vty_out(vty, " %s\n", | |
454 | prefix2str(p, buf2, sizeof(buf2))); | |
455 | } else { | |
456 | json_hosts = json_object_new_array(); | |
457 | json_object_string_add(json, "ip", | |
458 | ipaddr2str(&(n->ip), buf2, | |
459 | sizeof(buf2))); | |
460 | json_object_string_add(json, "rmac", | |
461 | prefix_mac2str(&n->emac, buf2, | |
462 | sizeof(buf2))); | |
463 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) | |
464 | json_object_array_add(json_hosts, | |
465 | json_object_new_string( | |
466 | prefix2str(p, buf2, | |
467 | sizeof(buf2)))); | |
468 | json_object_object_add(json, "hosts", json_hosts); | |
469 | } | |
9aa741ea MK |
470 | } |
471 | ||
472 | /* Print a specific RMAC entry */ | |
473 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, | |
316f4ca4 MK |
474 | struct vty *vty, |
475 | json_object *json) | |
9aa741ea MK |
476 | { |
477 | char buf1[ETHER_ADDR_STRLEN]; | |
478 | char buf2[PREFIX_STRLEN]; | |
479 | struct listnode *node = NULL; | |
480 | struct prefix *p = NULL; | |
316f4ca4 | 481 | json_object *json_hosts = NULL; |
9aa741ea | 482 | |
316f4ca4 MK |
483 | if (!json) { |
484 | vty_out(vty, "MAC: %s\n", | |
485 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
486 | vty_out(vty, " Remote VTEP: %s\n", | |
487 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
488 | vty_out(vty, " Host-List:\n"); | |
489 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) | |
490 | vty_out(vty, " %s\n", | |
491 | prefix2str(p, buf2, sizeof(buf2))); | |
492 | } else { | |
493 | json_hosts = json_object_new_array(); | |
494 | json_object_string_add(json, "Rmac", | |
495 | prefix_mac2str(&zrmac->macaddr, | |
496 | buf1, | |
497 | sizeof(buf1))); | |
498 | json_object_string_add(json, "vtep-ip", | |
499 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
500 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) | |
501 | json_object_array_add(json_hosts, | |
502 | json_object_new_string( | |
503 | prefix2str(p, buf2, | |
504 | sizeof(buf2)))); | |
505 | json_object_object_add(json, "hosts", json_hosts); | |
506 | } | |
9aa741ea MK |
507 | } |
508 | ||
cec2e17d | 509 | /* |
510 | * Print a specific MAC entry. | |
511 | */ | |
d62a17ae | 512 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
513 | { | |
514 | struct vty *vty; | |
b6938a74 MK |
515 | zebra_neigh_t *n = NULL; |
516 | struct listnode *node = NULL; | |
d62a17ae | 517 | char buf1[20]; |
b6938a74 | 518 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 519 | |
520 | vty = (struct vty *)ctxt; | |
521 | vty_out(vty, "MAC: %s", | |
522 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
523 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
524 | struct zebra_ns *zns; | |
525 | struct interface *ifp; | |
526 | ifindex_t ifindex; | |
527 | ||
528 | ifindex = mac->fwd_info.local.ifindex; | |
529 | zns = zebra_ns_lookup(NS_DEFAULT); | |
530 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
531 | if (!ifp) // unexpected | |
532 | return; | |
533 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
534 | if (mac->fwd_info.local.vid) | |
535 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 536 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 537 | vty_out(vty, " Remote VTEP: %s", |
538 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
539 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
540 | vty_out(vty, " Auto Mac "); | |
541 | } | |
b6938a74 | 542 | |
ead40654 MK |
543 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
544 | vty_out(vty, " Sticky Mac "); | |
545 | ||
546 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
547 | vty_out(vty, " Default-gateway Mac "); | |
548 | ||
0a97666d | 549 | vty_out(vty, "\n"); |
b6938a74 MK |
550 | /* print all the associated neigh */ |
551 | vty_out(vty, " Neighbors:\n"); | |
552 | if (!listcount(mac->neigh_list)) | |
553 | vty_out(vty, " No Neighbors\n"); | |
554 | else { | |
555 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
556 | vty_out(vty, " %s %s\n", | |
557 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
558 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
559 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
560 | ? "Active" | |
561 | : "Inactive") | |
562 | : ""); | |
563 | } | |
d62a17ae | 564 | } |
b6938a74 | 565 | |
d62a17ae | 566 | vty_out(vty, "\n"); |
cec2e17d | 567 | } |
568 | ||
569 | /* | |
570 | * Print MAC hash entry - called for display of all MACs. | |
571 | */ | |
d62a17ae | 572 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
573 | { | |
574 | struct vty *vty; | |
cd233079 | 575 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 576 | zebra_mac_t *mac; |
577 | char buf1[20]; | |
578 | struct mac_walk_ctx *wctx = ctxt; | |
579 | ||
580 | vty = wctx->vty; | |
cd233079 | 581 | json_mac_hdr = wctx->json; |
d62a17ae | 582 | mac = (zebra_mac_t *)backet->data; |
583 | if (!mac) | |
584 | return; | |
585 | ||
586 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
587 | |
588 | if (json_mac_hdr) | |
589 | json_mac = json_object_new_object(); | |
590 | ||
d62a17ae | 591 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
592 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
593 | struct zebra_ns *zns; | |
594 | ifindex_t ifindex; | |
595 | struct interface *ifp; | |
596 | vlanid_t vid; | |
597 | ||
598 | zns = zebra_ns_lookup(NS_DEFAULT); | |
599 | ifindex = mac->fwd_info.local.ifindex; | |
600 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
601 | if (!ifp) // unexpected | |
602 | return; | |
603 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
604 | if (json_mac_hdr == NULL) |
605 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
606 | ifp->name); | |
607 | else { | |
608 | json_object_string_add(json_mac, "type", "local"); | |
609 | json_object_string_add(json_mac, "intf", ifp->name); | |
610 | } | |
611 | if (vid) { | |
612 | if (json_mac_hdr == NULL) | |
613 | vty_out(vty, " %-5u", vid); | |
614 | else | |
615 | json_object_int_add(json_mac, "vlan", vid); | |
616 | } | |
617 | if (json_mac_hdr == NULL) | |
618 | vty_out(vty, "\n"); | |
619 | else | |
620 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 621 | wctx->count++; |
b6938a74 | 622 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 623 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
624 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
625 | &wctx->r_vtep_ip)) { | |
626 | if (wctx->count == 0) { | |
cd233079 CS |
627 | if (json_mac_hdr == NULL) { |
628 | vty_out(vty, "\nVNI %u\n\n", | |
629 | wctx->zvni->vni); | |
630 | vty_out(vty, | |
631 | "%-17s %-6s %-21s %-5s\n", | |
632 | "MAC", "Type", | |
633 | "Intf/Remote VTEP", | |
634 | "VLAN"); | |
635 | } | |
636 | } | |
637 | if (json_mac_hdr == NULL) | |
638 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
639 | "remote", | |
640 | inet_ntoa(mac->fwd_info | |
641 | .r_vtep_ip)); | |
642 | else { | |
643 | json_object_string_add(json_mac, "type", | |
644 | "remote"); | |
645 | json_object_string_add( | |
646 | json_mac, "remoteVtep", | |
647 | inet_ntoa(mac->fwd_info | |
648 | .r_vtep_ip)); | |
649 | json_object_object_add(json_mac_hdr, | |
650 | buf1, json_mac); | |
d62a17ae | 651 | } |
d62a17ae | 652 | wctx->count++; |
653 | } | |
654 | } else { | |
cd233079 CS |
655 | if (json_mac_hdr == NULL) |
656 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
657 | "remote", | |
658 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
659 | else { | |
660 | json_object_string_add(json_mac, "type", | |
661 | "remote"); | |
662 | json_object_string_add( | |
663 | json_mac, "remoteVtep", | |
664 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
665 | json_object_object_add(json_mac_hdr, buf1, | |
666 | json_mac); | |
667 | } | |
d62a17ae | 668 | wctx->count++; |
669 | } | |
670 | } | |
cec2e17d | 671 | } |
672 | ||
673 | /* | |
674 | * Print MACs for all VNI. | |
675 | */ | |
d62a17ae | 676 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 677 | { |
d62a17ae | 678 | struct vty *vty; |
cd233079 CS |
679 | json_object *json = NULL, *json_vni = NULL; |
680 | json_object *json_mac = NULL; | |
d62a17ae | 681 | zebra_vni_t *zvni; |
682 | u_int32_t num_macs; | |
683 | struct mac_walk_ctx *wctx = ctxt; | |
cd233079 | 684 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 685 | |
d62a17ae | 686 | vty = (struct vty *)wctx->vty; |
cd233079 | 687 | json = (struct json_object *)wctx->json; |
cec2e17d | 688 | |
d62a17ae | 689 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
690 | if (!zvni) { |
691 | if (json) | |
692 | vty_out(vty, "{}\n"); | |
d62a17ae | 693 | return; |
cd233079 | 694 | } |
d62a17ae | 695 | wctx->zvni = zvni; |
cec2e17d | 696 | |
d62a17ae | 697 | /*We are iterating over a new VNI, set the count to 0*/ |
698 | wctx->count = 0; | |
cec2e17d | 699 | |
790f8dc5 | 700 | num_macs = num_valid_macs(zvni); |
d62a17ae | 701 | if (!num_macs) |
702 | return; | |
cd233079 CS |
703 | |
704 | if (json) { | |
705 | json_vni = json_object_new_object(); | |
706 | json_mac = json_object_new_object(); | |
707 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 708 | } |
cec2e17d | 709 | |
cd233079 CS |
710 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
711 | if (json == NULL) { | |
712 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
713 | zvni->vni, num_macs); | |
714 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
715 | "Intf/Remote VTEP", "VLAN"); | |
716 | } else | |
717 | json_object_int_add(json_vni, "numMacs", num_macs); | |
718 | } | |
719 | /* assign per-vni to wctx->json object to fill macs | |
720 | * under the vni. Re-assign primary json object to fill | |
721 | * next vni information. | |
722 | */ | |
723 | wctx->json = json_mac; | |
d62a17ae | 724 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
725 | wctx->json = json; |
726 | if (json) { | |
727 | if (wctx->count) | |
728 | json_object_object_add(json_vni, "macs", json_mac); | |
729 | json_object_object_add(json, vni_str, json_vni); | |
730 | } | |
cec2e17d | 731 | } |
732 | ||
b7cfce93 MK |
733 | static void zl3vni_print_nh_hash(struct hash_backet *backet, |
734 | void *ctx) | |
735 | { | |
736 | struct nh_walk_ctx *wctx = NULL; | |
737 | struct vty *vty = NULL; | |
32798965 | 738 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
739 | struct json_object *json_nh = NULL; |
740 | zebra_neigh_t *n = NULL; | |
741 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 742 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
743 | |
744 | wctx = (struct nh_walk_ctx *)ctx; | |
745 | vty = wctx->vty; | |
32798965 MK |
746 | json_vni = wctx->json; |
747 | if (json_vni) | |
b7cfce93 MK |
748 | json_nh = json_object_new_object(); |
749 | n = (zebra_neigh_t *)backet->data; | |
750 | if (!n) | |
751 | return; | |
752 | ||
32798965 | 753 | if (!json_vni) { |
2dbad57f | 754 | vty_out(vty, "%-15s %-17s %6d\n", |
755 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
b7cfce93 | 756 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
6134fd82 | 757 | listcount(n->host_list)); |
b7cfce93 | 758 | } else { |
32798965 MK |
759 | json_object_string_add(json_nh, "nexthop-ip", |
760 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
b7cfce93 MK |
761 | json_object_string_add(json_nh, "rmac", |
762 | prefix_mac2str(&n->emac, buf1, | |
763 | sizeof(buf1))); | |
6134fd82 | 764 | json_object_int_add(json_nh, "refCnt", listcount(n->host_list)); |
32798965 MK |
765 | json_object_object_add(json_vni, |
766 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
767 | json_nh); | |
b7cfce93 MK |
768 | } |
769 | } | |
770 | ||
2dbad57f | 771 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 772 | void **args) |
2dbad57f | 773 | { |
774 | struct vty *vty = NULL; | |
775 | json_object *json = NULL; | |
776 | json_object *json_vni = NULL; | |
2dbad57f | 777 | zebra_l3vni_t *zl3vni = NULL; |
778 | uint32_t num_nh = 0; | |
32798965 | 779 | struct nh_walk_ctx wctx; |
2dbad57f | 780 | char vni_str[VNI_STR_LEN]; |
781 | ||
32798965 MK |
782 | vty = (struct vty *)args[0]; |
783 | json = (struct json_object *)args[1]; | |
2dbad57f | 784 | |
785 | zl3vni = (zebra_l3vni_t *)backet->data; | |
786 | if (!zl3vni) { | |
787 | if (json) | |
788 | vty_out(vty, "{}\n"); | |
789 | return; | |
790 | } | |
791 | ||
792 | num_nh = hashcount(zl3vni->nh_table); | |
793 | if (!num_nh) | |
794 | return; | |
795 | ||
796 | if (json) { | |
797 | json_vni = json_object_new_object(); | |
2dbad57f | 798 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
799 | } | |
800 | ||
801 | if (json == NULL) { | |
32798965 | 802 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", |
2dbad57f | 803 | zl3vni->vni, num_nh); |
2dbad57f | 804 | vty_out(vty, "%-15s %-17s %6s\n", "IP", |
805 | "RMAC", "Refcnt"); | |
806 | } else | |
807 | json_object_int_add(json_vni, "numNh", num_nh); | |
808 | ||
32798965 MK |
809 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
810 | wctx.vty = vty; | |
811 | wctx.json = json_vni; | |
812 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
813 | if (json) | |
2dbad57f | 814 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 815 | } |
816 | ||
b7cfce93 | 817 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 818 | void **args) |
b7cfce93 MK |
819 | { |
820 | struct vty *vty = NULL; | |
821 | json_object *json = NULL; | |
822 | json_object *json_vni = NULL; | |
b7cfce93 MK |
823 | zebra_l3vni_t *zl3vni = NULL; |
824 | u_int32_t num_rmacs; | |
c0b4eaa4 | 825 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
826 | char vni_str[VNI_STR_LEN]; |
827 | ||
c0b4eaa4 MK |
828 | vty = (struct vty *)args[0]; |
829 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
830 | |
831 | zl3vni = (zebra_l3vni_t *)backet->data; | |
832 | if (!zl3vni) { | |
833 | if (json) | |
834 | vty_out(vty, "{}\n"); | |
835 | return; | |
836 | } | |
837 | ||
838 | num_rmacs = hashcount(zl3vni->rmac_table); | |
839 | if (!num_rmacs) | |
840 | return; | |
841 | ||
842 | if (json) { | |
843 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
844 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
845 | } | |
846 | ||
847 | if (json == NULL) { | |
848 | vty_out(vty, "\nVNI %u #MACs %u\n\n", | |
849 | zl3vni->vni, num_rmacs); | |
850 | vty_out(vty, "%-17s %-21s %-6s\n", "MAC", | |
851 | "Remote VTEP", "Refcnt"); | |
852 | } else | |
853 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
854 | ||
855 | /* assign per-vni to wctx->json object to fill macs | |
856 | * under the vni. Re-assign primary json object to fill | |
857 | * next vni information. | |
858 | */ | |
c0b4eaa4 MK |
859 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
860 | wctx.vty = vty; | |
861 | wctx.json = json_vni; | |
862 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
863 | if (json) | |
b7cfce93 | 864 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
865 | } |
866 | ||
867 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, | |
868 | void *ctx) | |
869 | { | |
870 | zebra_mac_t *zrmac = NULL; | |
871 | struct rmac_walk_ctx *wctx = NULL; | |
872 | struct vty *vty = NULL; | |
873 | struct json_object *json = NULL; | |
874 | struct json_object *json_rmac = NULL; | |
875 | char buf[ETHER_ADDR_STRLEN]; | |
876 | ||
877 | wctx = (struct rmac_walk_ctx *)ctx; | |
878 | vty = wctx->vty; | |
879 | json = wctx->json; | |
880 | if (json) | |
881 | json_rmac = json_object_new_object(); | |
882 | zrmac = (zebra_mac_t *)backet->data; | |
883 | if (!zrmac) | |
884 | return; | |
885 | ||
886 | if (!json) { | |
887 | vty_out(vty, "%-17s %-21s %-6d\n", | |
888 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
889 | inet_ntoa(zrmac->fwd_info.r_vtep_ip), | |
6134fd82 | 890 | listcount(zrmac->host_list)); |
b7cfce93 MK |
891 | } else { |
892 | json_object_string_add(json_rmac, "rmac", | |
893 | prefix_mac2str(&zrmac->macaddr, buf, | |
894 | sizeof(buf))); | |
895 | json_object_string_add(json_rmac, "vtep-ip", | |
896 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
6134fd82 | 897 | json_object_int_add(json_rmac, "refcnt", |
898 | listcount(zrmac->host_list)); | |
c0b4eaa4 MK |
899 | json_object_object_add(json, |
900 | prefix_mac2str(&zrmac->macaddr, buf, | |
901 | sizeof(buf)), | |
902 | json_rmac); | |
b7cfce93 MK |
903 | } |
904 | } | |
905 | ||
906 | /* print a specific L3 VNI entry */ | |
907 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
908 | { | |
909 | char buf[ETHER_ADDR_STRLEN]; | |
910 | struct vty *vty = NULL; | |
911 | json_object *json = NULL; | |
912 | zebra_vni_t *zvni = NULL; | |
913 | json_object *json_vni_list = NULL; | |
914 | struct listnode *node = NULL, *nnode = NULL; | |
915 | ||
916 | vty = ctx[0]; | |
917 | json = ctx[1]; | |
918 | ||
919 | if (!json) { | |
920 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
b67a60d2 | 921 | vty_out(vty, " Local Vtep Ip: %s", |
922 | inet_ntoa(zl3vni->local_vtep_ip)); | |
b7cfce93 MK |
923 | vty_out(vty, " Vxlan-Intf: %s\n", |
924 | zl3vni_vxlan_if_name(zl3vni)); | |
925 | vty_out(vty, " SVI-If: %s\n", | |
926 | zl3vni_svi_if_name(zl3vni)); | |
927 | vty_out(vty, " State: %s\n", | |
928 | zl3vni_state2str(zl3vni)); | |
929 | vty_out(vty, " Vrf: %s\n", | |
930 | zl3vni_vrf_name(zl3vni)); | |
931 | vty_out(vty, " Rmac: %s\n", | |
932 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
933 | vty_out(vty, " L2-VNIs: "); | |
934 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) | |
935 | vty_out(vty, "%u ", zvni->vni); | |
936 | vty_out(vty, "\n"); | |
937 | } else { | |
938 | json_vni_list = json_object_new_array(); | |
939 | json_object_int_add(json, "vni", zl3vni->vni); | |
b67a60d2 | 940 | json_object_string_add(json, "local-vtep-ip", |
941 | inet_ntoa(zl3vni->local_vtep_ip)); | |
b7cfce93 MK |
942 | json_object_string_add(json, "vxlan-intf", |
943 | zl3vni_vxlan_if_name(zl3vni)); | |
944 | json_object_string_add(json, "svi-if", | |
945 | zl3vni_svi_if_name(zl3vni)); | |
946 | json_object_string_add(json, "state", | |
947 | zl3vni_state2str(zl3vni)); | |
948 | json_object_string_add(json, "vrf", | |
949 | zl3vni_vrf_name(zl3vni)); | |
950 | json_object_string_add(json, "rmac", | |
951 | zl3vni_rmac2str(zl3vni, buf, | |
952 | sizeof(buf))); | |
953 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { | |
954 | json_object_array_add(json_vni_list, | |
955 | json_object_new_int(zvni->vni)); | |
956 | } | |
957 | json_object_object_add(json, "l2-vnis", json_vni_list); | |
958 | } | |
959 | } | |
960 | ||
cec2e17d | 961 | /* |
962 | * Print a specific VNI entry. | |
963 | */ | |
cd233079 | 964 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 965 | { |
966 | struct vty *vty; | |
967 | zebra_vtep_t *zvtep; | |
968 | u_int32_t num_macs; | |
969 | u_int32_t num_neigh; | |
cd233079 CS |
970 | json_object *json = NULL; |
971 | json_object *json_vtep_list = NULL; | |
972 | json_object *json_ip_str = NULL; | |
d62a17ae | 973 | |
cd233079 CS |
974 | vty = ctxt[0]; |
975 | json = ctxt[1]; | |
976 | ||
b7cfce93 | 977 | if (json == NULL) { |
cd233079 | 978 | vty_out(vty, "VNI: %u\n", zvni->vni); |
b7cfce93 MK |
979 | vty_out(vty, " VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); |
980 | } else { | |
cd233079 | 981 | json_object_int_add(json, "vni", zvni->vni); |
b7cfce93 MK |
982 | json_object_string_add(json, "vrf", |
983 | vrf_id_to_name(zvni->vrf_id)); | |
984 | } | |
d62a17ae | 985 | |
d62a17ae | 986 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
987 | if (json == NULL) |
988 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 989 | return; |
990 | } | |
790f8dc5 | 991 | num_macs = num_valid_macs(zvni); |
cd233079 CS |
992 | num_neigh = hashcount(zvni->neigh_table); |
993 | if (json == NULL) | |
994 | vty_out(vty, " VxLAN interface: %s ifIndex: %u VTEP IP: %s\n", | |
995 | zvni->vxlan_if->name, zvni->vxlan_if->ifindex, | |
996 | inet_ntoa(zvni->local_vtep_ip)); | |
997 | else { | |
998 | json_object_string_add(json, "vxlanInterface", | |
999 | zvni->vxlan_if->name); | |
1000 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1001 | json_object_string_add(json, "vtepIp", | |
1002 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1003 | json_object_string_add(json, "advertiseGatewayMacip", |
1004 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1005 | json_object_int_add(json, "numMacs", num_macs); |
1006 | json_object_int_add(json, "numArpNd", num_neigh); | |
1007 | } | |
d62a17ae | 1008 | if (!zvni->vteps) { |
cd233079 CS |
1009 | if (json == NULL) |
1010 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1011 | } else { |
cd233079 CS |
1012 | if (json == NULL) |
1013 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1014 | else | |
1015 | json_vtep_list = json_object_new_array(); | |
1016 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1017 | if (json == NULL) | |
1018 | vty_out(vty, " %s\n", | |
1019 | inet_ntoa(zvtep->vtep_ip)); | |
1020 | else { | |
1021 | json_ip_str = json_object_new_string( | |
1022 | inet_ntoa(zvtep->vtep_ip)); | |
1023 | json_object_array_add(json_vtep_list, | |
1024 | json_ip_str); | |
1025 | } | |
1026 | } | |
1027 | if (json) | |
1028 | json_object_object_add(json, "numRemoteVteps", | |
1029 | json_vtep_list); | |
1030 | } | |
1031 | if (json == NULL) { | |
1032 | vty_out(vty, | |
1033 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1034 | num_macs); | |
1035 | vty_out(vty, | |
1036 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1037 | "known for this VNI: %u\n", | |
1038 | num_neigh); | |
ddd16ed5 MK |
1039 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1040 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1041 | } |
cec2e17d | 1042 | } |
1043 | ||
b7cfce93 MK |
1044 | /* print a L3 VNI hash entry */ |
1045 | static void zl3vni_print_hash(struct hash_backet *backet, | |
1046 | void *ctx[]) | |
1047 | { | |
1048 | char buf[ETHER_ADDR_STRLEN]; | |
1049 | struct vty *vty = NULL; | |
1050 | json_object *json = NULL; | |
51d8de8f | 1051 | json_object *json_vni = NULL; |
b7cfce93 MK |
1052 | zebra_l3vni_t *zl3vni = NULL; |
1053 | ||
51d8de8f MK |
1054 | vty = (struct vty *)ctx[0]; |
1055 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1056 | |
1057 | zl3vni = (zebra_l3vni_t *)backet->data; | |
1058 | if (!zl3vni) | |
1059 | return; | |
1060 | ||
1061 | if (!json) { | |
b67a60d2 | 1062 | vty_out(vty, "%-10u %-15s %-20s %-20s %-5s %-37s %-18s\n", |
b7cfce93 | 1063 | zl3vni->vni, |
b67a60d2 | 1064 | inet_ntoa(zl3vni->local_vtep_ip), |
b7cfce93 MK |
1065 | zl3vni_vxlan_if_name(zl3vni), |
1066 | zl3vni_svi_if_name(zl3vni), | |
1067 | zl3vni_state2str(zl3vni), | |
1068 | zl3vni_vrf_name(zl3vni), | |
1069 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1070 | } else { | |
51d8de8f MK |
1071 | char vni_str[VNI_STR_LEN]; |
1072 | ||
1073 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1074 | json_vni = json_object_new_object(); | |
1075 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
b67a60d2 | 1076 | json_object_string_add(json_vni, "local-ip", |
1077 | inet_ntoa(zl3vni->local_vtep_ip)); | |
51d8de8f | 1078 | json_object_string_add(json_vni, "vxlan-if", |
b7cfce93 | 1079 | zl3vni_vxlan_if_name(zl3vni)); |
51d8de8f | 1080 | json_object_string_add(json_vni, "svi-if", |
b7cfce93 | 1081 | zl3vni_svi_if_name(zl3vni)); |
51d8de8f | 1082 | json_object_string_add(json_vni, "state", |
b7cfce93 | 1083 | zl3vni_state2str(zl3vni)); |
51d8de8f | 1084 | json_object_string_add(json_vni, "vrf", |
b7cfce93 | 1085 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1086 | json_object_string_add(json_vni, "rmac", |
b7cfce93 MK |
1087 | zl3vni_rmac2str(zl3vni, buf, |
1088 | sizeof(buf))); | |
51d8de8f | 1089 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1090 | } |
1091 | ||
1092 | } | |
1093 | ||
cec2e17d | 1094 | /* |
1095 | * Print a VNI hash entry - called for display of all VNIs. | |
1096 | */ | |
cd233079 | 1097 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1098 | { |
d62a17ae | 1099 | struct vty *vty; |
1100 | zebra_vni_t *zvni; | |
1101 | zebra_vtep_t *zvtep; | |
1102 | u_int32_t num_vteps = 0; | |
1103 | u_int32_t num_macs = 0; | |
1104 | u_int32_t num_neigh = 0; | |
cd233079 CS |
1105 | json_object *json = NULL; |
1106 | json_object *json_vni = NULL; | |
1107 | json_object *json_ip_str = NULL; | |
1108 | json_object *json_vtep_list = NULL; | |
1109 | ||
1110 | vty = ctxt[0]; | |
1111 | json = ctxt[1]; | |
cec2e17d | 1112 | |
d62a17ae | 1113 | zvni = (zebra_vni_t *)backet->data; |
1114 | if (!zvni) | |
1115 | return; | |
cec2e17d | 1116 | |
d62a17ae | 1117 | zvtep = zvni->vteps; |
1118 | while (zvtep) { | |
1119 | num_vteps++; | |
1120 | zvtep = zvtep->next; | |
1121 | } | |
cec2e17d | 1122 | |
790f8dc5 | 1123 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1124 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1125 | if (json == NULL) |
b7cfce93 MK |
1126 | vty_out(vty, "%-10u %-21s %-15s %-8u %-8u %-15u %-37s\n", |
1127 | zvni->vni, | |
cd233079 CS |
1128 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
1129 | inet_ntoa(zvni->local_vtep_ip), num_macs, num_neigh, | |
b7cfce93 MK |
1130 | num_vteps, |
1131 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1132 | else { |
1133 | char vni_str[VNI_STR_LEN]; | |
1134 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1135 | json_vni = json_object_new_object(); | |
1136 | json_object_string_add(json_vni, "vxlanIf", | |
1137 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1138 | : "unknown"); | |
1139 | json_object_string_add(json_vni, "vtepIp", | |
1140 | inet_ntoa(zvni->local_vtep_ip)); | |
1141 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1142 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1143 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
1144 | if (num_vteps) { | |
1145 | json_vtep_list = json_object_new_array(); | |
1146 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1147 | json_ip_str = json_object_new_string( | |
1148 | inet_ntoa(zvtep->vtep_ip)); | |
1149 | json_object_array_add(json_vtep_list, | |
1150 | json_ip_str); | |
1151 | } | |
1152 | json_object_object_add(json_vni, "remoteVteps", | |
1153 | json_vtep_list); | |
1154 | } | |
1155 | json_object_object_add(json, vni_str, json_vni); | |
1156 | } | |
cec2e17d | 1157 | } |
1158 | ||
13d60d35 | 1159 | /* |
2232a77c | 1160 | * Inform BGP about local MACIP. |
1161 | */ | |
2853fed6 | 1162 | static int zvni_macip_send_msg_to_client(vni_t vni, |
d62a17ae | 1163 | struct ethaddr *macaddr, |
1a98c087 | 1164 | struct ipaddr *ip, u_char flags, |
d62a17ae | 1165 | u_int16_t cmd) |
1166 | { | |
d62a17ae | 1167 | char buf[ETHER_ADDR_STRLEN]; |
1168 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1169 | int ipa_len; |
1170 | struct zserv *client = NULL; | |
1171 | struct stream *s = NULL; | |
d62a17ae | 1172 | |
019a82cb | 1173 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1174 | /* BGP may not be running. */ |
1175 | if (!client) | |
1176 | return 0; | |
1177 | ||
1178 | s = client->obuf; | |
1179 | stream_reset(s); | |
1180 | ||
7cf15b25 | 1181 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1182 | stream_putl(s, vni); |
ff8b7eb8 | 1183 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1184 | if (ip) { |
1185 | ipa_len = 0; | |
1186 | if (IS_IPADDR_V4(ip)) | |
1187 | ipa_len = IPV4_MAX_BYTELEN; | |
1188 | else if (IS_IPADDR_V6(ip)) | |
1189 | ipa_len = IPV6_MAX_BYTELEN; | |
1190 | ||
1191 | stream_putl(s, ipa_len); /* IP address length */ | |
1192 | if (ipa_len) | |
1193 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1194 | } else | |
1195 | stream_putl(s, 0); /* Just MAC. */ | |
1196 | ||
1a98c087 | 1197 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 1198 | |
b7cfce93 | 1199 | |
d62a17ae | 1200 | /* Write packet size. */ |
1201 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1202 | ||
1203 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1204 | zlog_debug( |
b7cfce93 | 1205 | "Send MACIP %s flags 0x%x MAC %s IP %s L2-VNI %u to %s", |
2853fed6 | 1206 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", |
1a98c087 MK |
1207 | flags, prefix_mac2str(macaddr, buf, sizeof(buf)), |
1208 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, | |
1209 | zebra_route_string(client->proto)); | |
d62a17ae | 1210 | |
1211 | if (cmd == ZEBRA_MACIP_ADD) | |
1212 | client->macipadd_cnt++; | |
1213 | else | |
1214 | client->macipdel_cnt++; | |
1215 | ||
1216 | return zebra_server_send_message(client); | |
2232a77c | 1217 | } |
1218 | ||
1219 | /* | |
1220 | * Make hash key for neighbors. | |
13d60d35 | 1221 | */ |
d62a17ae | 1222 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1223 | { |
d62a17ae | 1224 | zebra_neigh_t *n = p; |
1225 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1226 | |
d62a17ae | 1227 | if (IS_IPADDR_V4(ip)) |
1228 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1229 | |
d62a17ae | 1230 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1231 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1232 | } |
1233 | ||
1234 | /* | |
2232a77c | 1235 | * Compare two neighbor hash structures. |
13d60d35 | 1236 | */ |
d62a17ae | 1237 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1238 | { |
d62a17ae | 1239 | const zebra_neigh_t *n1 = p1; |
1240 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1241 | |
d62a17ae | 1242 | if (n1 == NULL && n2 == NULL) |
1243 | return 1; | |
2232a77c | 1244 | |
d62a17ae | 1245 | if (n1 == NULL || n2 == NULL) |
1246 | return 0; | |
2232a77c | 1247 | |
d62a17ae | 1248 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1249 | } |
1250 | ||
1251 | /* | |
2232a77c | 1252 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1253 | */ |
d62a17ae | 1254 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1255 | { |
d62a17ae | 1256 | const zebra_neigh_t *tmp_n = p; |
1257 | zebra_neigh_t *n; | |
13d60d35 | 1258 | |
d62a17ae | 1259 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1260 | *n = *tmp_n; | |
2232a77c | 1261 | |
d62a17ae | 1262 | return ((void *)n); |
13d60d35 | 1263 | } |
1264 | ||
1265 | /* | |
2232a77c | 1266 | * Add neighbor entry. |
13d60d35 | 1267 | */ |
b6938a74 MK |
1268 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1269 | struct ethaddr *mac) | |
13d60d35 | 1270 | { |
d62a17ae | 1271 | zebra_neigh_t tmp_n; |
1272 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1273 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1274 | |
d62a17ae | 1275 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1276 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1277 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1278 | assert(n); | |
13d60d35 | 1279 | |
b6938a74 MK |
1280 | memcpy(&n->emac, mac, ETH_ALEN); |
1281 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1282 | ||
1283 | /* Associate the neigh to mac */ | |
1284 | zmac = zvni_mac_lookup(zvni, mac); | |
1285 | if (zmac) | |
1286 | listnode_add_sort(zmac->neigh_list, n); | |
1287 | ||
d62a17ae | 1288 | return n; |
13d60d35 | 1289 | } |
1290 | ||
1291 | /* | |
2232a77c | 1292 | * Delete neighbor entry. |
13d60d35 | 1293 | */ |
d62a17ae | 1294 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1295 | { |
d62a17ae | 1296 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1297 | zebra_mac_t *zmac = NULL; |
1298 | ||
1299 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1300 | if (zmac) | |
1301 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1302 | |
d62a17ae | 1303 | /* Free the VNI hash entry and allocated memory. */ |
1304 | tmp_n = hash_release(zvni->neigh_table, n); | |
1305 | if (tmp_n) | |
1306 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1307 | |
d62a17ae | 1308 | return 0; |
13d60d35 | 1309 | } |
1310 | ||
1311 | /* | |
2232a77c | 1312 | * Free neighbor hash entry (callback) |
13d60d35 | 1313 | */ |
d62a17ae | 1314 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1315 | { |
d62a17ae | 1316 | struct neigh_walk_ctx *wctx = arg; |
1317 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1318 | |
d62a17ae | 1319 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1320 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1321 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1322 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1323 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1324 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1325 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1326 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1327 | &n->emac, 0); |
13d60d35 | 1328 | |
d62a17ae | 1329 | if (wctx->uninstall) |
1330 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1331 | |
d62a17ae | 1332 | return zvni_neigh_del(wctx->zvni, n); |
1333 | } | |
13d60d35 | 1334 | |
d62a17ae | 1335 | return 0; |
13d60d35 | 1336 | } |
1337 | ||
1338 | /* | |
2232a77c | 1339 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1340 | */ |
d62a17ae | 1341 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1342 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1343 | { |
d62a17ae | 1344 | struct neigh_walk_ctx wctx; |
13d60d35 | 1345 | |
d62a17ae | 1346 | if (!zvni->neigh_table) |
1347 | return; | |
13d60d35 | 1348 | |
d62a17ae | 1349 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1350 | wctx.zvni = zvni; | |
1351 | wctx.uninstall = uninstall; | |
1352 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1353 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1354 | |
d62a17ae | 1355 | hash_iterate(zvni->neigh_table, |
1356 | (void (*)(struct hash_backet *, | |
1357 | void *))zvni_neigh_del_hash_entry, | |
1358 | &wctx); | |
2232a77c | 1359 | } |
13d60d35 | 1360 | |
2232a77c | 1361 | /* |
1362 | * Delete all neighbor entries for this VNI. | |
1363 | */ | |
2853fed6 | 1364 | static void zvni_neigh_del_all(zebra_vni_t *zvni, |
d62a17ae | 1365 | int uninstall, int upd_client, u_int32_t flags) |
2232a77c | 1366 | { |
d62a17ae | 1367 | struct neigh_walk_ctx wctx; |
13d60d35 | 1368 | |
d62a17ae | 1369 | if (!zvni->neigh_table) |
1370 | return; | |
13d60d35 | 1371 | |
d62a17ae | 1372 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1373 | wctx.zvni = zvni; | |
d62a17ae | 1374 | wctx.uninstall = uninstall; |
1375 | wctx.upd_client = upd_client; | |
1376 | wctx.flags = flags; | |
2232a77c | 1377 | |
d62a17ae | 1378 | hash_iterate(zvni->neigh_table, |
1379 | (void (*)(struct hash_backet *, | |
1380 | void *))zvni_neigh_del_hash_entry, | |
1381 | &wctx); | |
13d60d35 | 1382 | } |
1383 | ||
1384 | /* | |
2232a77c | 1385 | * Look up neighbor hash entry. |
1386 | */ | |
d62a17ae | 1387 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1388 | { |
d62a17ae | 1389 | zebra_neigh_t tmp; |
1390 | zebra_neigh_t *n; | |
2232a77c | 1391 | |
d62a17ae | 1392 | memset(&tmp, 0, sizeof(tmp)); |
1393 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1394 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1395 | |
d62a17ae | 1396 | return n; |
2232a77c | 1397 | } |
1398 | ||
b6938a74 | 1399 | /* Process all neigh associated to a mac upon local mac add event */ |
2853fed6 | 1400 | static void zvni_process_neigh_on_local_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1401 | zebra_mac_t *zmac) |
1402 | { | |
1403 | zebra_neigh_t *n = NULL; | |
1404 | struct listnode *node = NULL; | |
1405 | char buf[ETHER_ADDR_STRLEN]; | |
1406 | char buf2[INET6_ADDRSTRLEN]; | |
1407 | ||
1408 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1409 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1410 | /* MAC is learnt locally, program all inactive neigh | |
1411 | * pointing to this mac */ | |
1412 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
1413 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1414 | zlog_debug( | |
b7cfce93 | 1415 | "neigh %s (MAC %s) on L2-VNI %u is now ACTIVE", |
b6938a74 MK |
1416 | ipaddr2str(&n->ip, buf2, |
1417 | sizeof(buf2)), | |
1418 | prefix_mac2str(&n->emac, buf, | |
1419 | sizeof(buf)), | |
1420 | zvni->vni); | |
1421 | ||
1422 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
1423 | zvni_neigh_send_add_to_client( | |
ead40654 | 1424 | zvni->vni, &n->ip, &n->emac, n->flags); |
b6938a74 MK |
1425 | } else { |
1426 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1427 | zlog_debug( | |
2853fed6 | 1428 | "neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", |
b6938a74 MK |
1429 | ipaddr2str(&n->ip, buf2, |
1430 | sizeof(buf2)), | |
1431 | prefix_mac2str(&n->emac, buf, | |
1432 | sizeof(buf)), | |
1433 | zvni->vni); | |
1434 | } | |
1435 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1436 | /* TODO: assume the neigh has moved too ?? */ | |
1437 | } | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | /* Process all neigh associated to a mac upon local mac del event */ | |
2853fed6 | 1442 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1443 | zebra_mac_t *zmac) |
1444 | { | |
1445 | zebra_neigh_t *n = NULL; | |
1446 | struct listnode *node = NULL; | |
1447 | char buf[ETHER_ADDR_STRLEN]; | |
1448 | char buf2[INET6_ADDRSTRLEN]; | |
1449 | ||
1450 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1451 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1452 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1453 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1454 | zlog_debug( | |
b7cfce93 | 1455 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1456 | ipaddr2str(&n->ip, buf2, |
1457 | sizeof(buf2)), | |
1458 | prefix_mac2str(&n->emac, buf, | |
1459 | sizeof(buf)), | |
1460 | zvni->vni); | |
1461 | ||
1462 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1463 | zvni_neigh_send_del_to_client( | |
2853fed6 | 1464 | zvni->vni, &n->ip, &n->emac, 0); |
b6938a74 MK |
1465 | } |
1466 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1467 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1468 | zlog_err( | |
2853fed6 | 1469 | "local MAC %s getting deleted on VNI %u has remote neigh %s", |
b6938a74 MK |
1470 | prefix_mac2str(&n->emac, buf, |
1471 | sizeof(buf)), | |
1472 | zvni->vni, | |
1473 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1474 | } | |
1475 | } | |
1476 | } | |
1477 | ||
1478 | /* process all neigh associated to a mac entry upon remote mac add */ | |
2853fed6 | 1479 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1480 | zebra_mac_t *zmac) |
1481 | { | |
1482 | zebra_neigh_t *n = NULL; | |
1483 | struct listnode *node = NULL; | |
1484 | char buf[ETHER_ADDR_STRLEN]; | |
1485 | char buf2[INET6_ADDRSTRLEN]; | |
1486 | ||
1487 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1488 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1489 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1490 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1491 | zlog_debug( | |
b7cfce93 | 1492 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1493 | ipaddr2str(&n->ip, buf2, |
1494 | sizeof(buf2)), | |
1495 | prefix_mac2str(&n->emac, buf, | |
1496 | sizeof(buf)), | |
1497 | zvni->vni); | |
1498 | ||
1499 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1500 | zvni_neigh_send_del_to_client( | |
2853fed6 | 1501 | zvni->vni, &n->ip, &n->emac, 0); |
b6938a74 MK |
1502 | } |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | /* process all neigh associated to mac entry upon remote mac del */ | |
2853fed6 | 1508 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1509 | zebra_mac_t *zmac) |
1510 | { | |
1511 | zebra_neigh_t *n = NULL; | |
1512 | struct listnode *node = NULL; | |
1513 | char buf[ETHER_ADDR_STRLEN]; | |
1514 | char buf2[INET6_ADDRSTRLEN]; | |
1515 | ||
1516 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1517 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1518 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1519 | zlog_err( | |
2853fed6 | 1520 | "remote MAC %s getting deleted on VNI %u has local neigh %s", |
b6938a74 MK |
1521 | prefix_mac2str(&n->emac, buf, |
1522 | sizeof(buf)), | |
1523 | zvni->vni, | |
1524 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1525 | } | |
1526 | } | |
1527 | } | |
1528 | ||
2232a77c | 1529 | /* |
1530 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1531 | */ |
2853fed6 | 1532 | static int zvni_neigh_send_add_to_client(vni_t vni, |
d62a17ae | 1533 | struct ipaddr *ip, |
ead40654 MK |
1534 | struct ethaddr *macaddr, |
1535 | u_char neigh_flags) | |
13d60d35 | 1536 | { |
ead40654 MK |
1537 | u_char flags = 0; |
1538 | ||
1539 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1540 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
1541 | ||
2853fed6 | 1542 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1543 | ZEBRA_MACIP_ADD); |
2232a77c | 1544 | } |
13d60d35 | 1545 | |
2232a77c | 1546 | /* |
1547 | * Inform BGP about local neighbor deletion. | |
1548 | */ | |
2853fed6 | 1549 | static int zvni_neigh_send_del_to_client(vni_t vni, |
d62a17ae | 1550 | struct ipaddr *ip, |
1a98c087 | 1551 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1552 | { |
2853fed6 | 1553 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1554 | ZEBRA_MACIP_DEL); |
2232a77c | 1555 | } |
1556 | ||
1557 | /* | |
1558 | * Install remote neighbor into the kernel. | |
1559 | */ | |
d62a17ae | 1560 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1561 | { |
d62a17ae | 1562 | struct zebra_if *zif; |
1563 | struct zebra_l2info_vxlan *vxl; | |
1564 | struct interface *vlan_if; | |
2232a77c | 1565 | |
d62a17ae | 1566 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1567 | return 0; | |
13d60d35 | 1568 | |
d62a17ae | 1569 | zif = zvni->vxlan_if->info; |
1570 | if (!zif) | |
1571 | return -1; | |
1572 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1573 | |
2853fed6 | 1574 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1575 | if (!vlan_if) |
1576 | return -1; | |
13d60d35 | 1577 | |
d62a17ae | 1578 | return kernel_add_neigh(vlan_if, &n->ip, &n->emac); |
2232a77c | 1579 | } |
13d60d35 | 1580 | |
2232a77c | 1581 | /* |
1582 | * Uninstall remote neighbor from the kernel. | |
1583 | */ | |
d62a17ae | 1584 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1585 | { |
d62a17ae | 1586 | struct zebra_if *zif; |
1587 | struct zebra_l2info_vxlan *vxl; | |
1588 | struct interface *vlan_if; | |
13d60d35 | 1589 | |
d62a17ae | 1590 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1591 | return 0; | |
2232a77c | 1592 | |
d62a17ae | 1593 | if (!zvni->vxlan_if) { |
1594 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1595 | zvni->vni, zvni); | |
1596 | return -1; | |
1597 | } | |
2232a77c | 1598 | |
d62a17ae | 1599 | zif = zvni->vxlan_if->info; |
1600 | if (!zif) | |
1601 | return -1; | |
1602 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1603 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1604 | if (!vlan_if) |
1605 | return -1; | |
2232a77c | 1606 | |
d62a17ae | 1607 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1608 | } |
1609 | ||
1610 | /* | |
2232a77c | 1611 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1612 | */ |
d62a17ae | 1613 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1614 | { |
d62a17ae | 1615 | zebra_neigh_t *n; |
1616 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1617 | |
d62a17ae | 1618 | n = (zebra_neigh_t *)backet->data; |
1619 | if (!n) | |
1620 | return; | |
13d60d35 | 1621 | |
d62a17ae | 1622 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1623 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1624 | } |
13d60d35 | 1625 | |
1a98c087 MK |
1626 | /* Get the VRR interface for SVI if any */ |
1627 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1628 | { | |
1629 | struct zebra_vrf *zvrf = NULL; | |
1630 | struct interface *tmp_if = NULL; | |
1631 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1632 | |
1633 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1634 | assert(zvrf); | |
1635 | ||
451fda4f | 1636 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1637 | zif = tmp_if->info; |
1638 | if (!zif) | |
1639 | continue; | |
1640 | ||
1641 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1642 | continue; | |
1643 | ||
1644 | if (zif->link == ifp) | |
1645 | return tmp_if; | |
1646 | } | |
1647 | ||
1648 | return NULL; | |
1649 | } | |
1650 | ||
1651 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1652 | { | |
1a98c087 MK |
1653 | struct listnode *cnode = NULL, *cnnode = NULL; |
1654 | struct connected *c = NULL; | |
1655 | struct ethaddr macaddr; | |
1656 | ||
1a98c087 MK |
1657 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1658 | ||
1659 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1660 | struct ipaddr ip; | |
1661 | ||
1662 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1663 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1664 | continue; | |
1665 | ||
1666 | if (c->address->family == AF_INET) { | |
1667 | ip.ipa_type = IPADDR_V4; | |
1668 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1669 | sizeof(struct in_addr)); | |
1670 | } else if (c->address->family == AF_INET6) { | |
1671 | ip.ipa_type = IPADDR_V6; | |
1672 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1673 | sizeof(struct in6_addr)); | |
1674 | } else { | |
1675 | continue; | |
1676 | } | |
1677 | ||
1678 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1679 | } | |
1680 | ||
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1685 | { | |
1a98c087 MK |
1686 | struct listnode *cnode = NULL, *cnnode = NULL; |
1687 | struct connected *c = NULL; | |
1688 | struct ethaddr macaddr; | |
1689 | ||
1a98c087 MK |
1690 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1691 | ||
1692 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1693 | struct ipaddr ip; | |
1694 | ||
1695 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1696 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1697 | continue; | |
1698 | ||
1699 | if (c->address->family == AF_INET) { | |
1700 | ip.ipa_type = IPADDR_V4; | |
1701 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1702 | sizeof(struct in_addr)); | |
1703 | } else if (c->address->family == AF_INET6) { | |
1704 | ip.ipa_type = IPADDR_V6; | |
1705 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1706 | sizeof(struct in6_addr)); | |
1707 | } else { | |
1708 | continue; | |
1709 | } | |
1710 | ||
1711 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1712 | } | |
1713 | ||
1714 | return 0; | |
1715 | } | |
1716 | ||
1717 | /* | |
1718 | * zvni_gw_macip_add_to_client | |
1719 | */ | |
1720 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1721 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1722 | { | |
1a98c087 MK |
1723 | char buf[ETHER_ADDR_STRLEN]; |
1724 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1725 | zebra_neigh_t *n = NULL; |
1726 | zebra_mac_t *mac = NULL; | |
1727 | struct zebra_if *zif = NULL; | |
1728 | struct zebra_l2info_vxlan *vxl = NULL; | |
1729 | ||
1a98c087 MK |
1730 | zif = zvni->vxlan_if->info; |
1731 | if (!zif) | |
1732 | return -1; | |
1733 | ||
1734 | vxl = &zif->l2info.vxl; | |
1735 | ||
1736 | mac = zvni_mac_lookup(zvni, macaddr); | |
1737 | if (!mac) { | |
1738 | mac = zvni_mac_add(zvni, macaddr); | |
1739 | if (!mac) { | |
2853fed6 | 1740 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
1a98c087 MK |
1741 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1742 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1743 | return -1; | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | /* Set "local" forwarding info. */ | |
1748 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1749 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1750 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1751 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1752 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1753 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1754 | ||
1755 | n = zvni_neigh_lookup(zvni, ip); | |
1756 | if (!n) { | |
b6938a74 | 1757 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 MK |
1758 | if (!n) { |
1759 | zlog_err( | |
2853fed6 | 1760 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1761 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1762 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1763 | ifp->name, ifp->ifindex, zvni->vni); |
1764 | return -1; | |
1765 | } | |
1766 | } | |
1767 | ||
1768 | /* Set "local" forwarding info. */ | |
1769 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1770 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a98c087 MK |
1771 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1772 | n->ifindex = ifp->ifindex; | |
1773 | ||
ead40654 MK |
1774 | /* Only advertise in BGP if the knob is enabled */ |
1775 | if (!advertise_gw_macip_enabled(zvni)) | |
1776 | return 0; | |
1777 | ||
1a98c087 MK |
1778 | if (IS_ZEBRA_DEBUG_VXLAN) |
1779 | zlog_debug( | |
964ec886 | 1780 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP", |
2853fed6 | 1781 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1782 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1783 | ipaddr2str(ip, buf2, sizeof(buf2))); |
1784 | ||
2853fed6 | 1785 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
ead40654 | 1786 | n->flags); |
1a98c087 MK |
1787 | |
1788 | return 0; | |
1789 | } | |
1790 | ||
1791 | /* | |
1792 | * zvni_gw_macip_del_from_client | |
1793 | */ | |
1794 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1795 | struct ipaddr *ip) | |
1796 | { | |
0af35d90 | 1797 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1798 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1799 | zebra_neigh_t *n = NULL; |
1800 | zebra_mac_t *mac = NULL; | |
1801 | ||
1a98c087 MK |
1802 | /* If the neigh entry is not present nothing to do*/ |
1803 | n = zvni_neigh_lookup(zvni, ip); | |
1804 | if (!n) | |
1805 | return 0; | |
1806 | ||
1807 | /* mac entry should be present */ | |
1808 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1809 | if (!mac) { |
2853fed6 | 1810 | zlog_err("MAC %s doesnt exists for neigh %s on VNI %u", |
0af35d90 | 1811 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
1a98c087 | 1812 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); |
0af35d90 RW |
1813 | return -1; |
1814 | } | |
1a98c087 MK |
1815 | |
1816 | /* If the entry is not local nothing to do*/ | |
1817 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1818 | return -1; | |
1819 | ||
ead40654 MK |
1820 | /* only need to delete the entry from bgp if we sent it before */ |
1821 | if (advertise_gw_macip_enabled(zvni)) { | |
1822 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1823 | zlog_debug("%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1824 | ifp->vrf_id, ifp->name, | |
1825 | ifp->ifindex, zvni->vni, | |
1826 | prefix_mac2str(&(n->emac), | |
1827 | NULL, | |
1828 | ETHER_ADDR_STRLEN), | |
1829 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
1830 | ||
1831 | /* Remove neighbor from BGP. */ | |
1832 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1833 | ZEBRA_MACIP_TYPE_GW); | |
1834 | } | |
1a98c087 MK |
1835 | |
1836 | /* Delete this neighbor entry. */ | |
1837 | zvni_neigh_del(zvni, n); | |
1838 | ||
1839 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1840 | if (mac) |
1841 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1842 | |
1843 | return 0; | |
1844 | } | |
1845 | ||
1846 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1847 | void *ctxt) |
1a98c087 MK |
1848 | { |
1849 | zebra_vni_t *zvni = NULL; | |
1850 | struct zebra_if *zif = NULL; | |
1851 | struct zebra_l2info_vxlan zl2_info; | |
1852 | struct interface *vlan_if = NULL; | |
1853 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1854 | struct interface *ifp; |
1a98c087 MK |
1855 | |
1856 | /* Add primary SVI MAC*/ | |
1857 | zvni = (zebra_vni_t *)backet->data; | |
1858 | if (!zvni) | |
1859 | return; | |
1860 | ||
b5ebdc9b | 1861 | ifp = zvni->vxlan_if; |
1862 | if (!ifp) | |
1863 | return; | |
1864 | zif = ifp->info; | |
1865 | ||
1866 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1867 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1868 | return; |
1869 | ||
1a98c087 MK |
1870 | zl2_info = zif->l2info.vxl; |
1871 | ||
2853fed6 | 1872 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); |
1a98c087 MK |
1873 | if (!vlan_if) |
1874 | return; | |
1875 | ||
1876 | /* Del primary MAC-IP */ | |
1877 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1878 | ||
1879 | /* Del VRR MAC-IP - if any*/ | |
1880 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1881 | if (vrr_if) | |
1882 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1883 | ||
1884 | return; | |
1885 | } | |
1886 | ||
1887 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1888 | void *ctxt) |
1a98c087 MK |
1889 | { |
1890 | zebra_vni_t *zvni = NULL; | |
1891 | struct zebra_if *zif = NULL; | |
1892 | struct zebra_l2info_vxlan zl2_info; | |
1893 | struct interface *vlan_if = NULL; | |
1894 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1895 | struct interface *ifp = NULL; |
1a98c087 MK |
1896 | |
1897 | zvni = (zebra_vni_t *)backet->data; | |
1898 | if (!zvni) | |
1899 | return; | |
1900 | ||
b5ebdc9b | 1901 | ifp = zvni->vxlan_if; |
1902 | if (!ifp) | |
1903 | return; | |
1904 | zif = ifp->info; | |
1905 | ||
1906 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1907 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1908 | return; |
1a98c087 MK |
1909 | zl2_info = zif->l2info.vxl; |
1910 | ||
2853fed6 | 1911 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
1912 | zif->brslave_info.br_if); |
1913 | if (!vlan_if) | |
1914 | return; | |
1915 | ||
1a98c087 MK |
1916 | /* Add primary SVI MAC-IP */ |
1917 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1918 | ||
1919 | /* Add VRR MAC-IP - if any*/ | |
1920 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1921 | if (vrr_if) | |
1922 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1923 | ||
1924 | return; | |
1925 | } | |
1926 | ||
2232a77c | 1927 | /* |
1928 | * Make hash key for MAC. | |
1929 | */ | |
d62a17ae | 1930 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 1931 | { |
d62a17ae | 1932 | zebra_mac_t *pmac = p; |
25331def DS |
1933 | const void *pnt = (void *)pmac->macaddr.octet; |
1934 | ||
ff8b7eb8 | 1935 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 1936 | } |
13d60d35 | 1937 | |
2232a77c | 1938 | /* |
1939 | * Compare two MAC addresses. | |
1940 | */ | |
d62a17ae | 1941 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 1942 | { |
d62a17ae | 1943 | const zebra_mac_t *pmac1 = p1; |
1944 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 1945 | |
d62a17ae | 1946 | if (pmac1 == NULL && pmac2 == NULL) |
1947 | return 1; | |
2232a77c | 1948 | |
d62a17ae | 1949 | if (pmac1 == NULL || pmac2 == NULL) |
1950 | return 0; | |
2232a77c | 1951 | |
d62a17ae | 1952 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, |
ff8b7eb8 | 1953 | ETH_ALEN) |
d62a17ae | 1954 | == 0); |
2232a77c | 1955 | } |
1956 | ||
1957 | /* | |
1958 | * Callback to allocate MAC hash entry. | |
1959 | */ | |
d62a17ae | 1960 | static void *zvni_mac_alloc(void *p) |
2232a77c | 1961 | { |
d62a17ae | 1962 | const zebra_mac_t *tmp_mac = p; |
1963 | zebra_mac_t *mac; | |
2232a77c | 1964 | |
d62a17ae | 1965 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
1966 | *mac = *tmp_mac; | |
2232a77c | 1967 | |
d62a17ae | 1968 | return ((void *)mac); |
2232a77c | 1969 | } |
1970 | ||
1971 | /* | |
1972 | * Add MAC entry. | |
1973 | */ | |
d62a17ae | 1974 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 1975 | { |
d62a17ae | 1976 | zebra_mac_t tmp_mac; |
1977 | zebra_mac_t *mac = NULL; | |
2232a77c | 1978 | |
d62a17ae | 1979 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 1980 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 1981 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
1982 | assert(mac); | |
2232a77c | 1983 | |
b6938a74 MK |
1984 | mac->neigh_list = list_new(); |
1985 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
1986 | ||
d62a17ae | 1987 | return mac; |
2232a77c | 1988 | } |
1989 | ||
1990 | /* | |
1991 | * Delete MAC entry. | |
1992 | */ | |
d62a17ae | 1993 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1994 | { |
d62a17ae | 1995 | zebra_mac_t *tmp_mac; |
2232a77c | 1996 | |
affe9e99 | 1997 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 1998 | |
d62a17ae | 1999 | /* Free the VNI hash entry and allocated memory. */ |
2000 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2001 | if (tmp_mac) | |
2002 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2003 | |
d62a17ae | 2004 | return 0; |
2232a77c | 2005 | } |
2006 | ||
2007 | /* | |
2008 | * Free MAC hash entry (callback) | |
2009 | */ | |
d62a17ae | 2010 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2011 | { |
d62a17ae | 2012 | struct mac_walk_ctx *wctx = arg; |
2013 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2014 | |
d62a17ae | 2015 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2016 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2017 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2018 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2019 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2020 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2021 | &wctx->r_vtep_ip))) { | |
2022 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
1a98c087 | 2023 | zvni_mac_send_del_to_client( |
2853fed6 | 2024 | wctx->zvni->vni, &mac->macaddr, |
ead40654 | 2025 | mac->flags); |
d62a17ae | 2026 | } |
2232a77c | 2027 | |
d62a17ae | 2028 | if (wctx->uninstall) |
2029 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2030 | |
d62a17ae | 2031 | return zvni_mac_del(wctx->zvni, mac); |
2032 | } | |
2232a77c | 2033 | |
d62a17ae | 2034 | return 0; |
2232a77c | 2035 | } |
2036 | ||
2037 | /* | |
2038 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2039 | */ | |
d62a17ae | 2040 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2041 | struct in_addr *r_vtep_ip) | |
2232a77c | 2042 | { |
d62a17ae | 2043 | struct mac_walk_ctx wctx; |
2232a77c | 2044 | |
d62a17ae | 2045 | if (!zvni->mac_table) |
2046 | return; | |
2232a77c | 2047 | |
d62a17ae | 2048 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2049 | wctx.zvni = zvni; | |
2050 | wctx.uninstall = uninstall; | |
2051 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2052 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2053 | |
9d303b37 DL |
2054 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2055 | void *))zvni_mac_del_hash_entry, | |
2056 | &wctx); | |
2232a77c | 2057 | } |
2058 | ||
2059 | /* | |
2060 | * Delete all MAC entries for this VNI. | |
2061 | */ | |
2853fed6 | 2062 | static void zvni_mac_del_all(zebra_vni_t *zvni, |
d62a17ae | 2063 | int uninstall, int upd_client, u_int32_t flags) |
2232a77c | 2064 | { |
d62a17ae | 2065 | struct mac_walk_ctx wctx; |
2232a77c | 2066 | |
d62a17ae | 2067 | if (!zvni->mac_table) |
2068 | return; | |
2232a77c | 2069 | |
d62a17ae | 2070 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2071 | wctx.zvni = zvni; | |
d62a17ae | 2072 | wctx.uninstall = uninstall; |
2073 | wctx.upd_client = upd_client; | |
2074 | wctx.flags = flags; | |
2232a77c | 2075 | |
9d303b37 DL |
2076 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2077 | void *))zvni_mac_del_hash_entry, | |
2078 | &wctx); | |
2232a77c | 2079 | } |
2080 | ||
2081 | /* | |
2082 | * Look up MAC hash entry. | |
2083 | */ | |
d62a17ae | 2084 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2085 | { |
d62a17ae | 2086 | zebra_mac_t tmp; |
2087 | zebra_mac_t *pmac; | |
2232a77c | 2088 | |
d62a17ae | 2089 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2090 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2091 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2092 | |
d62a17ae | 2093 | return pmac; |
2232a77c | 2094 | } |
2095 | ||
2096 | /* | |
2097 | * Inform BGP about local MAC addition. | |
2098 | */ | |
2853fed6 | 2099 | static int zvni_mac_send_add_to_client(vni_t vni, |
ead40654 MK |
2100 | struct ethaddr *macaddr, |
2101 | u_char mac_flags) | |
2232a77c | 2102 | { |
ead40654 MK |
2103 | u_char flags = 0; |
2104 | ||
2105 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2106 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2107 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2108 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2109 | ||
2853fed6 | 2110 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2111 | ZEBRA_MACIP_ADD); |
2232a77c | 2112 | } |
2113 | ||
2114 | /* | |
2115 | * Inform BGP about local MAC deletion. | |
2116 | */ | |
2853fed6 | 2117 | static int zvni_mac_send_del_to_client(vni_t vni, |
ead40654 MK |
2118 | struct ethaddr *macaddr, |
2119 | u_char mac_flags) | |
2232a77c | 2120 | { |
ead40654 MK |
2121 | u_char flags = 0; |
2122 | ||
2123 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2124 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2125 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2126 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2127 | ||
2853fed6 | 2128 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2129 | ZEBRA_MACIP_DEL); |
2232a77c | 2130 | } |
2131 | ||
2132 | /* | |
2133 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2134 | * notifications, to see if they are of interest. |
2232a77c | 2135 | */ |
d62a17ae | 2136 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2137 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2138 | { |
2853fed6 | 2139 | struct zebra_ns *zns; |
2140 | struct route_node *rn; | |
2141 | struct interface *tmp_if = NULL; | |
d62a17ae | 2142 | struct zebra_if *zif; |
2143 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2144 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2145 | u_char bridge_vlan_aware; |
2146 | zebra_vni_t *zvni; | |
2853fed6 | 2147 | int found = 0; |
2232a77c | 2148 | |
d62a17ae | 2149 | /* Determine if bridge is VLAN-aware or not */ |
2150 | zif = br_if->info; | |
2151 | assert(zif); | |
2152 | br = &zif->l2info.br; | |
2153 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2154 | |
d62a17ae | 2155 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2156 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2157 | zns = zebra_ns_lookup(NS_DEFAULT); |
2158 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2159 | tmp_if = (struct interface *)rn->info; | |
2160 | if (!tmp_if) | |
2161 | continue; | |
d62a17ae | 2162 | zif = tmp_if->info; |
2163 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2164 | continue; | |
2165 | if (!if_is_operative(tmp_if)) | |
2166 | continue; | |
2167 | vxl = &zif->l2info.vxl; | |
2232a77c | 2168 | |
d62a17ae | 2169 | if (zif->brslave_info.br_if != br_if) |
2170 | continue; | |
2232a77c | 2171 | |
2853fed6 | 2172 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2173 | found = 1; | |
d62a17ae | 2174 | break; |
2853fed6 | 2175 | } |
d62a17ae | 2176 | } |
2232a77c | 2177 | |
2853fed6 | 2178 | if (!found) |
d62a17ae | 2179 | return NULL; |
2232a77c | 2180 | |
2853fed6 | 2181 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2182 | return zvni; |
2232a77c | 2183 | } |
2184 | ||
2185 | /* | |
2186 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2187 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2188 | */ |
b7cfce93 MK |
2189 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2190 | struct interface *br_if) | |
d62a17ae | 2191 | { |
2853fed6 | 2192 | struct zebra_ns *zns; |
2193 | struct route_node *rn; | |
2194 | struct interface *tmp_if = NULL; | |
d62a17ae | 2195 | struct zebra_if *zif; |
2196 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2197 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2198 | u_char bridge_vlan_aware; |
2199 | vlanid_t vid = 0; | |
2200 | zebra_vni_t *zvni; | |
2853fed6 | 2201 | int found = 0; |
d62a17ae | 2202 | |
71349e03 MK |
2203 | if (!br_if) |
2204 | return NULL; | |
2205 | ||
d62a17ae | 2206 | /* Make sure the linked interface is a bridge. */ |
2207 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2208 | return NULL; | |
2209 | ||
d62a17ae | 2210 | /* Determine if bridge is VLAN-aware or not */ |
2211 | zif = br_if->info; | |
2212 | assert(zif); | |
2213 | br = &zif->l2info.br; | |
2214 | bridge_vlan_aware = br->vlan_aware; | |
2215 | if (bridge_vlan_aware) { | |
2216 | struct zebra_l2info_vlan *vl; | |
2217 | ||
2218 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2219 | return NULL; | |
2220 | ||
2221 | zif = ifp->info; | |
2222 | assert(zif); | |
2223 | vl = &zif->l2info.vl; | |
2224 | vid = vl->vid; | |
2225 | } | |
2226 | ||
2227 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2228 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2229 | zns = zebra_ns_lookup(NS_DEFAULT); |
2230 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2231 | tmp_if = (struct interface *)rn->info; | |
2232 | if (!tmp_if) | |
2233 | continue; | |
d62a17ae | 2234 | zif = tmp_if->info; |
2235 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2236 | continue; | |
2237 | if (!if_is_operative(tmp_if)) | |
2238 | continue; | |
2239 | vxl = &zif->l2info.vxl; | |
2240 | ||
2241 | if (zif->brslave_info.br_if != br_if) | |
2242 | continue; | |
2243 | ||
2853fed6 | 2244 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2245 | found = 1; | |
d62a17ae | 2246 | break; |
2853fed6 | 2247 | } |
d62a17ae | 2248 | } |
2249 | ||
2853fed6 | 2250 | if (!found) |
d62a17ae | 2251 | return NULL; |
2252 | ||
2853fed6 | 2253 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2254 | return zvni; |
2232a77c | 2255 | } |
2256 | ||
2257 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2258 | * of two cases: | |
2259 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2260 | * linked to the bridge | |
2261 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2262 | * itself | |
2263 | */ | |
2853fed6 | 2264 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2265 | { |
2853fed6 | 2266 | struct zebra_ns *zns; |
2267 | struct route_node *rn; | |
2268 | struct interface *tmp_if = NULL; | |
d62a17ae | 2269 | struct zebra_if *zif; |
2270 | struct zebra_l2info_bridge *br; | |
2271 | struct zebra_l2info_vlan *vl; | |
2272 | u_char bridge_vlan_aware; | |
2853fed6 | 2273 | int found = 0; |
d62a17ae | 2274 | |
b5ebdc9b | 2275 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2276 | if (!br_if) | |
2277 | return NULL; | |
2278 | ||
d62a17ae | 2279 | /* Determine if bridge is VLAN-aware or not */ |
2280 | zif = br_if->info; | |
2281 | assert(zif); | |
2282 | br = &zif->l2info.br; | |
2283 | bridge_vlan_aware = br->vlan_aware; | |
2284 | ||
2285 | /* Check oper status of the SVI. */ | |
2286 | if (!bridge_vlan_aware) | |
2287 | return if_is_operative(br_if) ? br_if : NULL; | |
2288 | ||
2289 | /* Identify corresponding VLAN interface. */ | |
2290 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2291 | zns = zebra_ns_lookup(NS_DEFAULT); |
2292 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2293 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2294 | /* Check oper status of the SVI. */ |
2853fed6 | 2295 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2296 | continue; |
2297 | zif = tmp_if->info; | |
2298 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2299 | || zif->link != br_if) | |
2300 | continue; | |
2301 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2302 | ||
2853fed6 | 2303 | if (vl->vid == vid) { |
2304 | found = 1; | |
d62a17ae | 2305 | break; |
2853fed6 | 2306 | } |
d62a17ae | 2307 | } |
2308 | ||
2853fed6 | 2309 | return found ? tmp_if : NULL; |
2232a77c | 2310 | } |
2311 | ||
2312 | /* | |
2313 | * Install remote MAC into the kernel. | |
2314 | */ | |
d62a17ae | 2315 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2316 | { |
d62a17ae | 2317 | struct zebra_if *zif; |
2318 | struct zebra_l2info_vxlan *vxl; | |
2319 | u_char sticky; | |
2232a77c | 2320 | |
d62a17ae | 2321 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2322 | return 0; | |
2232a77c | 2323 | |
d62a17ae | 2324 | zif = zvni->vxlan_if->info; |
2325 | if (!zif) | |
2326 | return -1; | |
2327 | vxl = &zif->l2info.vxl; | |
2232a77c | 2328 | |
d62a17ae | 2329 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 2330 | |
d62a17ae | 2331 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2332 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2333 | } |
2334 | ||
2335 | /* | |
2336 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2337 | * moves to remote, we have to uninstall any existing local entry first. | |
2338 | */ | |
d62a17ae | 2339 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2340 | { |
d62a17ae | 2341 | struct zebra_if *zif; |
2342 | struct zebra_l2info_vxlan *vxl; | |
2343 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2344 | struct zebra_ns *zns; | |
2345 | struct interface *ifp; | |
2232a77c | 2346 | |
d62a17ae | 2347 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2348 | return 0; | |
2232a77c | 2349 | |
d62a17ae | 2350 | if (!zvni->vxlan_if) { |
2351 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2352 | zvni->vni, zvni); | |
2353 | return -1; | |
2354 | } | |
2232a77c | 2355 | |
d62a17ae | 2356 | zif = zvni->vxlan_if->info; |
2357 | if (!zif) | |
2358 | return -1; | |
2359 | vxl = &zif->l2info.vxl; | |
2232a77c | 2360 | |
d62a17ae | 2361 | if (local) { |
2362 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2363 | ifp = if_lookup_by_index_per_ns(zns, | |
2364 | mac->fwd_info.local.ifindex); | |
2365 | if (!ifp) // unexpected | |
2366 | return -1; | |
2367 | } else { | |
2368 | ifp = zvni->vxlan_if; | |
2369 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2370 | } | |
2232a77c | 2371 | |
d62a17ae | 2372 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2373 | local); | |
2232a77c | 2374 | } |
2375 | ||
2376 | /* | |
2377 | * Install MAC hash entry - called upon access VLAN change. | |
2378 | */ | |
d62a17ae | 2379 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2380 | { |
d62a17ae | 2381 | zebra_mac_t *mac; |
2382 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2383 | |
d62a17ae | 2384 | mac = (zebra_mac_t *)backet->data; |
2385 | if (!mac) | |
2386 | return; | |
2232a77c | 2387 | |
d62a17ae | 2388 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2389 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2390 | } |
2391 | ||
2392 | /* | |
2393 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2394 | * appropriate. | |
2395 | */ | |
d62a17ae | 2396 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2397 | int uninstall) | |
2232a77c | 2398 | { |
60466a63 QY |
2399 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2400 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2401 | return; |
2232a77c | 2402 | |
d62a17ae | 2403 | if (uninstall) |
2404 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2405 | |
d62a17ae | 2406 | zvni_mac_del(zvni, mac); |
2232a77c | 2407 | } |
2408 | ||
2409 | /* | |
2410 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2411 | */ | |
2853fed6 | 2412 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, |
d62a17ae | 2413 | 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) |
b7cfce93 | 2580 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", |
d62a17ae | 2581 | zvni->vni, 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; |
d62a17ae | 2633 | struct zebra_if *zif; |
2634 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2635 | |
2853fed6 | 2636 | ifp = (struct interface *)rn->info; |
2637 | if (!ifp) | |
2638 | continue; | |
d62a17ae | 2639 | zif = ifp->info; |
2640 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2641 | continue; | |
2232a77c | 2642 | |
b7cfce93 | 2643 | vxl = &zif->l2info.vxl; |
d62a17ae | 2644 | vni = vxl->vni; |
2232a77c | 2645 | |
b7cfce93 MK |
2646 | if (is_vni_l3(vni)) { |
2647 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 2648 | |
b7cfce93 MK |
2649 | if (IS_ZEBRA_DEBUG_VXLAN) |
2650 | zlog_debug("create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2651 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2652 | |
b7cfce93 MK |
2653 | zl3vni = zl3vni_lookup(vni); |
2654 | if (!zl3vni) { | |
2655 | zlog_err( | |
2656 | "Failed to locate L3-VNI hash at UP, IF %s(%u) VNI %u", | |
2657 | ifp->name, ifp->ifindex, vni); | |
2658 | return; | |
2659 | } | |
2232a77c | 2660 | |
b7cfce93 | 2661 | /* associate with vxlan_if */ |
b67a60d2 | 2662 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2663 | zl3vni->vxlan_if = ifp; |
2232a77c | 2664 | |
523cafc4 | 2665 | /* |
2666 | * we need to associate with SVI. | |
b7cfce93 | 2667 | * we can associate with svi-if only after association |
523cafc4 | 2668 | * with vxlan-intf is complete |
2669 | */ | |
b7cfce93 MK |
2670 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2671 | ||
2672 | if (is_l3vni_oper_up(zl3vni)) | |
2673 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2674 | ||
2675 | } else { | |
2676 | zebra_vni_t *zvni = NULL; | |
2677 | zebra_l3vni_t *zl3vni = NULL; | |
2678 | struct interface *vlan_if = NULL; | |
2679 | ||
2680 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2681 | zlog_debug( | |
2682 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2683 | ifp->name, ifp->ifindex, vni, | |
2684 | inet_ntoa(vxl->vtep_ip)); | |
2685 | ||
2686 | /* VNI hash entry is not expected to exist. */ | |
2687 | zvni = zvni_lookup(vni); | |
2688 | if (zvni) { | |
2689 | zlog_err( | |
2690 | "VNI hash already present for IF %s(%u) L2-VNI %u", | |
2691 | ifp->name, ifp->ifindex, vni); | |
2692 | continue; | |
2693 | } | |
2694 | ||
2695 | zvni = zvni_add(vni); | |
2696 | if (!zvni) { | |
2697 | zlog_err( | |
2698 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", | |
2699 | ifp->name, ifp->ifindex, vni); | |
2700 | return; | |
2701 | } | |
2702 | ||
2703 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2704 | zvni->vxlan_if = ifp; | |
2705 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2706 | zif->brslave_info.br_if); | |
2707 | if (vlan_if) { | |
2708 | zvni->vrf_id = vlan_if->vrf_id; | |
2709 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2710 | if (zl3vni) | |
2711 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2712 | } | |
2713 | ||
2714 | ||
2715 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2716 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2717 | zvni_send_add_to_client(zvni); | |
2718 | } | |
d62a17ae | 2719 | } |
2232a77c | 2720 | } |
2721 | ||
2722 | /* | |
2723 | * See if remote VTEP matches with prefix. | |
2724 | */ | |
d62a17ae | 2725 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2726 | { |
d62a17ae | 2727 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2728 | } |
2729 | ||
2730 | /* | |
2731 | * Locate remote VTEP in VNI hash table. | |
2732 | */ | |
d62a17ae | 2733 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2734 | { |
d62a17ae | 2735 | zebra_vtep_t *zvtep; |
2232a77c | 2736 | |
d62a17ae | 2737 | if (!zvni) |
2738 | return NULL; | |
2232a77c | 2739 | |
d62a17ae | 2740 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2741 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2742 | break; | |
2743 | } | |
2232a77c | 2744 | |
d62a17ae | 2745 | return zvtep; |
2232a77c | 2746 | } |
2747 | ||
2748 | /* | |
2749 | * Add remote VTEP to VNI hash table. | |
2750 | */ | |
d62a17ae | 2751 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2752 | { |
d62a17ae | 2753 | zebra_vtep_t *zvtep; |
2232a77c | 2754 | |
d62a17ae | 2755 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2756 | if (!zvtep) { | |
2757 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2758 | return NULL; | |
2759 | } | |
2232a77c | 2760 | |
d62a17ae | 2761 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2762 | |
d62a17ae | 2763 | if (zvni->vteps) |
2764 | zvni->vteps->prev = zvtep; | |
2765 | zvtep->next = zvni->vteps; | |
2766 | zvni->vteps = zvtep; | |
2232a77c | 2767 | |
d62a17ae | 2768 | return zvtep; |
2232a77c | 2769 | } |
2770 | ||
2771 | /* | |
2772 | * Remove remote VTEP from VNI hash table. | |
2773 | */ | |
d62a17ae | 2774 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2775 | { |
d62a17ae | 2776 | if (zvtep->next) |
2777 | zvtep->next->prev = zvtep->prev; | |
2778 | if (zvtep->prev) | |
2779 | zvtep->prev->next = zvtep->next; | |
2780 | else | |
2781 | zvni->vteps = zvtep->next; | |
2232a77c | 2782 | |
d62a17ae | 2783 | zvtep->prev = zvtep->next = NULL; |
2784 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2785 | |
d62a17ae | 2786 | return 0; |
2232a77c | 2787 | } |
2788 | ||
2789 | /* | |
2790 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2791 | * uninstall from kernel if asked to. | |
2792 | */ | |
d62a17ae | 2793 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2794 | { |
d62a17ae | 2795 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2796 | |
d62a17ae | 2797 | if (!zvni) |
2798 | return -1; | |
2232a77c | 2799 | |
d62a17ae | 2800 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2801 | zvtep_next = zvtep->next; | |
2802 | if (uninstall) | |
2803 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2804 | zvni_vtep_del(zvni, zvtep); | |
2805 | } | |
2232a77c | 2806 | |
d62a17ae | 2807 | return 0; |
2232a77c | 2808 | } |
2809 | ||
2810 | /* | |
2811 | * Install remote VTEP into the kernel. | |
2812 | */ | |
d62a17ae | 2813 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2814 | { |
d62a17ae | 2815 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2816 | } |
2817 | ||
2818 | /* | |
2819 | * Uninstall remote VTEP from the kernel. | |
2820 | */ | |
d62a17ae | 2821 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2822 | { |
d62a17ae | 2823 | if (!zvni->vxlan_if) { |
2824 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2825 | zvni->vni, zvni); | |
2826 | return -1; | |
2827 | } | |
2232a77c | 2828 | |
d62a17ae | 2829 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2830 | } |
2831 | ||
2832 | /* | |
2833 | * Cleanup VNI/VTEP and update kernel | |
2834 | */ | |
d62a17ae | 2835 | static void zvni_cleanup_all(struct hash_backet *backet, void *zvrf) |
2232a77c | 2836 | { |
b7cfce93 MK |
2837 | zebra_vni_t *zvni = NULL; |
2838 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 2839 | |
d62a17ae | 2840 | zvni = (zebra_vni_t *)backet->data; |
2841 | if (!zvni) | |
2842 | return; | |
2232a77c | 2843 | |
b7cfce93 MK |
2844 | /* remove from l3-vni list */ |
2845 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
2846 | if (zl3vni) | |
2847 | listnode_delete(zl3vni->l2vnis, zvni); | |
2848 | ||
d62a17ae | 2849 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 2850 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
2851 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 2852 | |
d62a17ae | 2853 | /* Free up all remote VTEPs, if any. */ |
2854 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 2855 | |
d62a17ae | 2856 | /* Delete the hash entry. */ |
2853fed6 | 2857 | zvni_del(zvni); |
2232a77c | 2858 | } |
2859 | ||
655b04d1 MK |
2860 | /* cleanup L3VNI */ |
2861 | static void zl3vni_cleanup_all(struct hash_backet *backet, | |
2862 | void *args) | |
2863 | { | |
2864 | zebra_l3vni_t *zl3vni = NULL; | |
2865 | ||
2866 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2867 | if (!zl3vni) | |
2868 | return; | |
2869 | ||
2870 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2871 | } | |
2872 | ||
6134fd82 | 2873 | static int is_host_present_in_host_list(struct list *list, |
2874 | struct prefix *host) | |
2875 | { | |
2876 | struct listnode *node = NULL; | |
2877 | struct prefix *p = NULL; | |
2878 | ||
2879 | for (ALL_LIST_ELEMENTS_RO(list, node, p)) { | |
2880 | if (prefix_same(p, host)) | |
2881 | return 1; | |
2882 | } | |
2883 | return 0; | |
2884 | } | |
2885 | ||
2886 | static void host_list_add_host(struct list *list, | |
2887 | struct prefix *host) | |
2888 | { | |
2889 | struct prefix *p = NULL; | |
2890 | ||
2891 | p = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct prefix)); | |
2892 | memcpy(p, host, sizeof(struct prefix)); | |
2893 | ||
2894 | listnode_add_sort(list, p); | |
2895 | } | |
2896 | ||
2897 | static void host_list_delete_host(struct list *list, | |
2898 | struct prefix *host) | |
2899 | { | |
2900 | struct listnode *node = NULL, *nnode = NULL, *node_to_del = NULL; | |
2901 | struct prefix *p = NULL; | |
2902 | ||
2903 | for (ALL_LIST_ELEMENTS(list, node, nnode, p)) { | |
2904 | if (prefix_same(p, host)) { | |
2905 | XFREE(MTYPE_HOST_PREFIX, p); | |
2906 | node_to_del = node; | |
2907 | } | |
2908 | } | |
2909 | ||
2910 | if (node_to_del) | |
2911 | list_delete_node(list, node_to_del); | |
2912 | } | |
2913 | ||
b7cfce93 MK |
2914 | /* |
2915 | * Look up MAC hash entry. | |
2916 | */ | |
2dbad57f | 2917 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2918 | struct ethaddr *rmac) |
2919 | { | |
2920 | zebra_mac_t tmp; | |
2921 | zebra_mac_t *pmac; | |
2922 | ||
2923 | memset(&tmp, 0, sizeof(tmp)); | |
2924 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
2925 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 2926 | |
b7cfce93 | 2927 | return pmac; |
2dbad57f | 2928 | } |
2232a77c | 2929 | |
cec2e17d | 2930 | /* |
b7cfce93 | 2931 | * Callback to allocate RMAC hash entry. |
cec2e17d | 2932 | */ |
2dbad57f | 2933 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 2934 | { |
b7cfce93 MK |
2935 | const zebra_mac_t *tmp_rmac = p; |
2936 | zebra_mac_t *zrmac; | |
d62a17ae | 2937 | |
b7cfce93 MK |
2938 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2939 | *zrmac = *tmp_rmac; | |
d62a17ae | 2940 | |
b7cfce93 | 2941 | return ((void *)zrmac); |
2dbad57f | 2942 | } |
cd233079 | 2943 | |
b7cfce93 MK |
2944 | /* |
2945 | * Add RMAC entry to l3-vni | |
2946 | */ | |
2dbad57f | 2947 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2948 | struct ethaddr *rmac) |
2949 | { | |
2950 | zebra_mac_t tmp_rmac; | |
2951 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 2952 | |
b7cfce93 MK |
2953 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
2954 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
2955 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
2956 | assert(zrmac); | |
d62a17ae | 2957 | |
6134fd82 | 2958 | zrmac->host_list = list_new(); |
2959 | zrmac->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
b7cfce93 | 2960 | |
2dbad57f | 2961 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
2962 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
2963 | ||
b7cfce93 | 2964 | return zrmac; |
2dbad57f | 2965 | } |
cec2e17d | 2966 | |
2967 | /* | |
b7cfce93 | 2968 | * Delete MAC entry. |
cec2e17d | 2969 | */ |
2dbad57f | 2970 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, |
b7cfce93 | 2971 | zebra_mac_t *zrmac) |
cec2e17d | 2972 | { |
b7cfce93 | 2973 | zebra_mac_t *tmp_rmac; |
cd233079 | 2974 | |
55aabf6f | 2975 | if (zrmac->host_list) |
bb7a24ab | 2976 | list_delete_and_null(&zrmac->host_list); |
55aabf6f | 2977 | zrmac->host_list = NULL; |
cd233079 | 2978 | |
b7cfce93 MK |
2979 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
2980 | if (tmp_rmac) | |
2981 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 2982 | |
b7cfce93 | 2983 | return 0; |
2dbad57f | 2984 | } |
cec2e17d | 2985 | |
2986 | /* | |
b7cfce93 | 2987 | * Install remote RMAC into the kernel. |
cec2e17d | 2988 | */ |
2dbad57f | 2989 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, |
b7cfce93 | 2990 | zebra_mac_t *zrmac) |
cec2e17d | 2991 | { |
b7cfce93 MK |
2992 | struct zebra_if *zif = NULL; |
2993 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 2994 | |
b7cfce93 MK |
2995 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) || |
2996 | !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
2997 | return 0; | |
2998 | ||
2999 | zif = zl3vni->vxlan_if->info; | |
3000 | if (!zif) | |
3001 | return -1; | |
3002 | ||
3003 | vxl = &zif->l2info.vxl; | |
3004 | ||
3005 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3006 | &zrmac->macaddr, | |
3007 | zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3008 | } |
b7cfce93 MK |
3009 | |
3010 | /* | |
3011 | * Uninstall remote RMAC from the kernel. | |
3012 | */ | |
2dbad57f | 3013 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3014 | zebra_mac_t *zrmac) |
3015 | { | |
3016 | char buf[ETHER_ADDR_STRLEN]; | |
3017 | struct zebra_if *zif = NULL; | |
3018 | struct zebra_l2info_vxlan *vxl = NULL; | |
3019 | ||
3020 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) || | |
3021 | !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
3022 | return 0; | |
3023 | ||
3024 | if (!zl3vni->vxlan_if) { | |
523cafc4 | 3025 | zlog_err( |
3026 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", | |
b7cfce93 MK |
3027 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
3028 | zl3vni->vni, zl3vni); | |
3029 | return -1; | |
3030 | } | |
3031 | ||
3032 | zif = zl3vni->vxlan_if->info; | |
3033 | if (!zif) | |
3034 | return -1; | |
3035 | ||
3036 | vxl = &zif->l2info.vxl; | |
3037 | ||
3038 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3039 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3040 | } |
3041 | ||
3042 | /* handle rmac add */ | |
6134fd82 | 3043 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, |
3044 | struct ethaddr *rmac, | |
3045 | struct ipaddr *vtep_ip, | |
3046 | struct prefix *host_prefix) | |
2dbad57f | 3047 | { |
3048 | char buf[ETHER_ADDR_STRLEN]; | |
3049 | char buf1[INET6_ADDRSTRLEN]; | |
3050 | zebra_mac_t *zrmac = NULL; | |
3051 | ||
3052 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3053 | if (!zrmac) { | |
3054 | ||
3055 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3056 | if (!zrmac) { | |
3057 | zlog_warn( | |
3058 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
3059 | prefix_mac2str(rmac, buf, | |
3060 | sizeof(buf)), | |
3061 | zl3vni->vni, ipaddr2str(vtep_ip, buf1, | |
3062 | sizeof(buf1))); | |
3063 | return -1; | |
3064 | } | |
3065 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3066 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3067 | ||
3068 | /* install rmac in kernel */ | |
3069 | zl3vni_rmac_install(zl3vni, zrmac); | |
3070 | } | |
6134fd82 | 3071 | |
3072 | if (!is_host_present_in_host_list(zrmac->host_list, host_prefix)) | |
3073 | host_list_add_host(zrmac->host_list, host_prefix); | |
2dbad57f | 3074 | return 0; |
3075 | } | |
3076 | ||
3077 | ||
3078 | /* handle rmac delete */ | |
6134fd82 | 3079 | static int zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, |
3080 | struct ethaddr *rmac, | |
3081 | struct prefix *host_prefix) | |
2dbad57f | 3082 | { |
3083 | zebra_mac_t *zrmac = NULL; | |
3084 | ||
3085 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3086 | if (!zrmac) | |
3087 | return -1; | |
3088 | ||
6134fd82 | 3089 | host_list_delete_host(zrmac->host_list, host_prefix); |
3090 | if (list_isempty(zrmac->host_list)) { | |
2dbad57f | 3091 | |
3092 | /* uninstall from kernel */ | |
3093 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3094 | ||
3095 | /* del the rmac entry */ | |
3096 | zl3vni_rmac_del(zl3vni, zrmac); | |
3097 | } | |
3098 | return 0; | |
3099 | } | |
b7cfce93 MK |
3100 | |
3101 | /* | |
3102 | * Look up nh hash entry on a l3-vni. | |
3103 | */ | |
2dbad57f | 3104 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3105 | struct ipaddr *ip) |
3106 | { | |
3107 | zebra_neigh_t tmp; | |
3108 | zebra_neigh_t *n; | |
3109 | ||
3110 | memset(&tmp, 0, sizeof(tmp)); | |
3111 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3112 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3113 | ||
3114 | return n; | |
2dbad57f | 3115 | } |
b7cfce93 MK |
3116 | |
3117 | ||
3118 | /* | |
3119 | * Callback to allocate NH hash entry on L3-VNI. | |
3120 | */ | |
2dbad57f | 3121 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3122 | { |
3123 | const zebra_neigh_t *tmp_n = p; | |
3124 | zebra_neigh_t *n; | |
3125 | ||
3126 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3127 | *n = *tmp_n; | |
3128 | ||
3129 | return ((void *)n); | |
2dbad57f | 3130 | } |
b7cfce93 MK |
3131 | |
3132 | /* | |
3133 | * Add neighbor entry. | |
3134 | */ | |
2dbad57f | 3135 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3136 | struct ipaddr *ip, |
3137 | struct ethaddr *mac) | |
3138 | { | |
3139 | zebra_neigh_t tmp_n; | |
3140 | zebra_neigh_t *n = NULL; | |
3141 | ||
3142 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3143 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3144 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3145 | assert(n); | |
3146 | ||
6134fd82 | 3147 | n->host_list = list_new(); |
3148 | n->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
3149 | ||
b7cfce93 | 3150 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3151 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3152 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3153 | |
3154 | return n; | |
2dbad57f | 3155 | } |
b7cfce93 MK |
3156 | |
3157 | /* | |
3158 | * Delete neighbor entry. | |
3159 | */ | |
2dbad57f | 3160 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3161 | zebra_neigh_t *n) |
3162 | { | |
3163 | zebra_neigh_t *tmp_n; | |
3164 | ||
55aabf6f | 3165 | if (n->host_list) |
bb7a24ab | 3166 | list_delete_and_null(&n->host_list); |
55aabf6f MK |
3167 | n->host_list = NULL; |
3168 | ||
b7cfce93 MK |
3169 | tmp_n = hash_release(zl3vni->nh_table, n); |
3170 | if (tmp_n) | |
3171 | XFREE(MTYPE_NEIGH, tmp_n); | |
3172 | ||
3173 | return 0; | |
2dbad57f | 3174 | } |
b7cfce93 MK |
3175 | |
3176 | /* | |
3177 | * Install remote nh as neigh into the kernel. | |
3178 | */ | |
2dbad57f | 3179 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3180 | zebra_neigh_t *n) |
3181 | { | |
3182 | if (!is_l3vni_oper_up(zl3vni)) | |
3183 | return -1; | |
3184 | ||
3185 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) || | |
3186 | !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
3187 | return 0; | |
3188 | ||
3189 | return kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac); | |
2dbad57f | 3190 | } |
b7cfce93 MK |
3191 | |
3192 | /* | |
3193 | * Uninstall remote nh from the kernel. | |
3194 | */ | |
2dbad57f | 3195 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3196 | zebra_neigh_t *n) |
3197 | { | |
3198 | if (!is_l3vni_oper_up(zl3vni)) | |
3199 | return -1; | |
3200 | ||
3201 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) || | |
3202 | !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
3203 | return 0; | |
3204 | ||
3205 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); | |
2dbad57f | 3206 | } |
3207 | ||
3208 | /* add remote vtep as a neigh entry */ | |
6134fd82 | 3209 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, |
3210 | struct ipaddr *vtep_ip, | |
3211 | struct ethaddr *rmac, | |
3212 | struct prefix *host_prefix) | |
2dbad57f | 3213 | { |
3214 | char buf[ETHER_ADDR_STRLEN]; | |
3215 | char buf1[INET6_ADDRSTRLEN]; | |
3216 | zebra_neigh_t *nh = NULL; | |
3217 | ||
3218 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3219 | if (!nh) { | |
3220 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3221 | if (!nh) { | |
3222 | ||
3223 | zlog_warn( | |
3224 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
3225 | ipaddr2str(vtep_ip, buf1, | |
3226 | sizeof(buf1)), | |
3227 | prefix_mac2str(rmac, buf, | |
3228 | sizeof(buf)), | |
3229 | zl3vni->vni); | |
3230 | return -1; | |
3231 | } | |
3232 | ||
3233 | /* install the nh neigh in kernel */ | |
3234 | zl3vni_nh_install(zl3vni, nh); | |
3235 | } | |
6134fd82 | 3236 | |
3237 | if (!is_host_present_in_host_list(nh->host_list, host_prefix)) | |
3238 | host_list_add_host(nh->host_list, host_prefix); | |
3239 | ||
2dbad57f | 3240 | return 0; |
3241 | } | |
3242 | ||
3243 | /* handle nh neigh delete */ | |
6134fd82 | 3244 | static int zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, |
3245 | struct ipaddr *vtep_ip, | |
3246 | struct prefix *host_prefix) | |
2dbad57f | 3247 | { |
3248 | zebra_neigh_t *nh = NULL; | |
3249 | ||
3250 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3251 | if (!nh) | |
3252 | return -1; | |
3253 | ||
6134fd82 | 3254 | host_list_delete_host(nh->host_list, host_prefix); |
3255 | if (list_isempty(nh->host_list)) { | |
2dbad57f | 3256 | |
3257 | /* uninstall from kernel */ | |
3258 | zl3vni_nh_uninstall(zl3vni, nh); | |
3259 | ||
3260 | /* delete the nh entry */ | |
3261 | zl3vni_nh_del(zl3vni, nh); | |
3262 | } | |
3263 | ||
3264 | return 0; | |
3265 | } | |
b7cfce93 | 3266 | |
3bcbba10 | 3267 | /* handle neigh update from kernel - the only thing of interest is to |
3268 | * readd stale entries. | |
3269 | */ | |
3270 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, | |
523cafc4 | 3271 | struct ipaddr *ip, u_int16_t state) |
3bcbba10 | 3272 | { |
c05a738b | 3273 | #ifdef GNU_LINUX |
3bcbba10 | 3274 | zebra_neigh_t *n = NULL; |
3275 | ||
3276 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3277 | if (!n) | |
3278 | return 0; | |
3279 | ||
3280 | /* all next hop neigh are remote and installed by frr. | |
3281 | * If the kernel has aged this entry, re-install. | |
3282 | */ | |
3283 | if (state & NUD_STALE) | |
3284 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3285 | #endif |
3bcbba10 | 3286 | return 0; |
3287 | } | |
3288 | ||
8c9b80b9 MK |
3289 | /* handle neigh delete from kernel */ |
3290 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, | |
3291 | struct ipaddr *ip) | |
3292 | { | |
3293 | zebra_neigh_t *n = NULL; | |
3294 | ||
3295 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3296 | if (!n) | |
3297 | return 0; | |
3298 | ||
3299 | /* all next hop neigh are remote and installed by frr. | |
3300 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3301 | * install it back |
3302 | */ | |
8c9b80b9 MK |
3303 | zl3vni_nh_install(zl3vni, n); |
3304 | ||
3305 | return 0; | |
3306 | } | |
3307 | ||
b7cfce93 MK |
3308 | /* |
3309 | * Hash function for L3 VNI. | |
3310 | */ | |
3311 | static unsigned int l3vni_hash_keymake(void *p) | |
3312 | { | |
3313 | const zebra_l3vni_t *zl3vni = p; | |
3314 | ||
3315 | return jhash_1word(zl3vni->vni, 0); | |
3316 | } | |
3317 | ||
3318 | /* | |
3319 | * Compare 2 L3 VNI hash entries. | |
3320 | */ | |
3321 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3322 | { | |
3323 | const zebra_l3vni_t *zl3vni1 = p1; | |
3324 | const zebra_l3vni_t *zl3vni2 = p2; | |
3325 | ||
3326 | return (zl3vni1->vni == zl3vni2->vni); | |
3327 | } | |
3328 | ||
3329 | /* | |
3330 | * Callback to allocate L3 VNI hash entry. | |
3331 | */ | |
3332 | static void *zl3vni_alloc(void *p) | |
3333 | { | |
3334 | zebra_l3vni_t *zl3vni = NULL; | |
3335 | const zebra_l3vni_t *tmp_l3vni = p; | |
3336 | ||
3337 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3338 | zl3vni->vni = tmp_l3vni->vni; | |
3339 | return ((void *)zl3vni); | |
3340 | } | |
3341 | ||
3342 | /* | |
3343 | * Look up L3 VNI hash entry. | |
3344 | */ | |
3345 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3346 | { | |
3347 | struct zebra_ns *zns; | |
3348 | zebra_l3vni_t tmp_l3vni; | |
3349 | zebra_l3vni_t *zl3vni = NULL; | |
3350 | ||
3351 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3352 | assert(zns); | |
3353 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3354 | tmp_l3vni.vni = vni; | |
3355 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3356 | ||
3357 | return zl3vni; | |
3358 | } | |
3359 | ||
3360 | /* | |
3361 | * Add L3 VNI hash entry. | |
3362 | */ | |
3363 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3364 | { | |
3365 | zebra_l3vni_t tmp_zl3vni; | |
3366 | struct zebra_ns *zns = NULL; | |
3367 | zebra_l3vni_t *zl3vni = NULL; | |
3368 | ||
3369 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3370 | assert(zns); | |
3371 | ||
3372 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3373 | tmp_zl3vni.vni = vni; | |
3374 | ||
3375 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3376 | assert(zl3vni); | |
3377 | ||
3378 | zl3vni->vrf_id = vrf_id; | |
3379 | zl3vni->svi_if = NULL; | |
3380 | zl3vni->vxlan_if = NULL; | |
3381 | zl3vni->l2vnis = list_new(); | |
3382 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3383 | ||
3384 | /* Create hash table for remote RMAC */ | |
3385 | zl3vni->rmac_table = | |
3386 | hash_create(mac_hash_keymake, mac_cmp, | |
3387 | "Zebra L3-VNI RMAC-Table"); | |
3388 | ||
3389 | /* Create hash table for neighbors */ | |
3390 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
3391 | "Zebra L3-VNI next-hop table"); | |
3392 | ||
3393 | return zl3vni; | |
3394 | } | |
3395 | ||
3396 | /* | |
3397 | * Delete L3 VNI hash entry. | |
3398 | */ | |
3399 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3400 | { | |
3401 | struct zebra_ns *zns; | |
3402 | zebra_l3vni_t *tmp_zl3vni; | |
3403 | ||
3404 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3405 | assert(zns); | |
3406 | ||
3407 | /* free the list of l2vnis */ | |
3408 | list_delete_and_null(&zl3vni->l2vnis); | |
3409 | zl3vni->l2vnis = NULL; | |
3410 | ||
3411 | /* Free the rmac table */ | |
3412 | hash_free(zl3vni->rmac_table); | |
3413 | zl3vni->rmac_table = NULL; | |
3414 | ||
3415 | /* Free the nh table */ | |
3416 | hash_free(zl3vni->nh_table); | |
3417 | zl3vni->nh_table = NULL; | |
3418 | ||
3419 | /* Free the VNI hash entry and allocated memory. */ | |
3420 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3421 | if (tmp_zl3vni) | |
3422 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3423 | ||
3424 | return 0; | |
3425 | } | |
3426 | ||
3427 | static int is_vni_l3(vni_t vni) | |
3428 | { | |
3429 | zebra_l3vni_t *zl3vni = NULL; | |
3430 | ||
3431 | zl3vni = zl3vni_lookup(vni); | |
3432 | if (zl3vni) | |
3433 | return 1; | |
3434 | return 0; | |
3435 | } | |
3436 | ||
3437 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) | |
3438 | { | |
3439 | struct zebra_ns *zns = NULL; | |
3440 | struct route_node *rn = NULL; | |
3441 | struct interface *ifp = NULL; | |
3442 | ||
3443 | /* loop through all vxlan-interface */ | |
3444 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3445 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3446 | ||
3447 | struct zebra_if *zif = NULL; | |
3448 | struct zebra_l2info_vxlan *vxl = NULL; | |
3449 | ||
3450 | ifp = (struct interface *)rn->info; | |
3451 | if (!ifp) | |
3452 | continue; | |
3453 | ||
3454 | zif = ifp->info; | |
3455 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3456 | continue; | |
3457 | ||
3458 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3459 | if (vxl->vni == zl3vni->vni) { |
3460 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3461 | return ifp; |
b67a60d2 | 3462 | } |
b7cfce93 MK |
3463 | } |
3464 | ||
3465 | return NULL; | |
3466 | } | |
3467 | ||
3468 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3469 | { | |
3470 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ | |
3471 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ | |
3472 | ||
3473 | if (!zl3vni->vxlan_if) | |
3474 | return NULL; | |
3475 | ||
3476 | zif = zl3vni->vxlan_if->info; | |
3477 | if (!zif) | |
3478 | return NULL; | |
3479 | ||
3480 | vxl = &zif->l2info.vxl; | |
3481 | ||
3482 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3483 | } | |
3484 | ||
3485 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3486 | { | |
3487 | struct zebra_vrf *zvrf = NULL; | |
3488 | ||
3489 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3490 | if (!zvrf) | |
3491 | return NULL; | |
3492 | ||
3493 | return zl3vni_lookup(zvrf->l3vni); | |
3494 | } | |
3495 | ||
3496 | /* | |
3497 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3498 | * neighbor notifications, to see if they are of interest. | |
3499 | */ | |
3500 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3501 | struct interface *br_if) | |
3502 | { | |
3503 | int found = 0; | |
3504 | vlanid_t vid = 0; | |
3505 | u_char bridge_vlan_aware = 0; | |
3506 | zebra_l3vni_t *zl3vni = NULL; | |
3507 | struct zebra_ns *zns = NULL; | |
3508 | struct route_node *rn = NULL; | |
3509 | struct zebra_if *zif = NULL; | |
3510 | struct interface *tmp_if = NULL; | |
3511 | struct zebra_l2info_bridge *br = NULL; | |
3512 | struct zebra_l2info_vxlan *vxl = NULL; | |
3513 | ||
3514 | if (!br_if) | |
3515 | return NULL; | |
3516 | ||
3517 | /* Make sure the linked interface is a bridge. */ | |
3518 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3519 | return NULL; | |
3520 | ||
3521 | /* Determine if bridge is VLAN-aware or not */ | |
3522 | zif = br_if->info; | |
3523 | assert(zif); | |
3524 | br = &zif->l2info.br; | |
3525 | bridge_vlan_aware = br->vlan_aware; | |
3526 | if (bridge_vlan_aware) { | |
3527 | struct zebra_l2info_vlan *vl; | |
3528 | ||
3529 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3530 | return NULL; | |
3531 | ||
3532 | zif = ifp->info; | |
3533 | assert(zif); | |
3534 | vl = &zif->l2info.vl; | |
3535 | vid = vl->vid; | |
3536 | } | |
3537 | ||
3538 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3539 | /* TODO: Optimize with a hash. */ | |
3540 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3541 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3542 | tmp_if = (struct interface *)rn->info; | |
3543 | if (!tmp_if) | |
3544 | continue; | |
3545 | zif = tmp_if->info; | |
3546 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3547 | continue; | |
3548 | if (!if_is_operative(tmp_if)) | |
3549 | continue; | |
3550 | vxl = &zif->l2info.vxl; | |
3551 | ||
3552 | if (zif->brslave_info.br_if != br_if) | |
3553 | continue; | |
3554 | ||
3555 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3556 | found = 1; | |
3557 | break; | |
3558 | } | |
3559 | } | |
3560 | ||
3561 | if (!found) | |
3562 | return NULL; | |
3563 | ||
3564 | zl3vni = zl3vni_lookup(vxl->vni); | |
3565 | return zl3vni; | |
3566 | } | |
3567 | ||
3568 | /* | |
3569 | * Inform BGP about l3-vni. | |
3570 | */ | |
3571 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3572 | { | |
3573 | struct stream *s = NULL; | |
3574 | struct zserv *client = NULL; | |
3575 | struct ethaddr rmac; | |
3576 | char buf[ETHER_ADDR_STRLEN]; | |
3577 | ||
6f3a2003 | 3578 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3579 | /* BGP may not be running. */ |
3580 | if (!client) | |
3581 | return 0; | |
3582 | ||
3583 | /* get the rmac */ | |
3584 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3585 | zl3vni_get_rmac(zl3vni, &rmac); | |
3586 | ||
3587 | s = client->obuf; | |
3588 | stream_reset(s); | |
3589 | ||
7cf15b25 | 3590 | zclient_create_header(s, ZEBRA_L3VNI_ADD, |
b7cfce93 MK |
3591 | zl3vni_vrf_id(zl3vni)); |
3592 | stream_putl(s, zl3vni->vni); | |
3593 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3594 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
b7cfce93 MK |
3595 | |
3596 | /* Write packet size. */ | |
3597 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3598 | ||
3599 | if (IS_ZEBRA_DEBUG_VXLAN) | |
b67a60d2 | 3600 | zlog_debug("Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s to %s", |
b7cfce93 MK |
3601 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3602 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
b67a60d2 | 3603 | inet_ntoa(zl3vni->local_vtep_ip), |
b7cfce93 MK |
3604 | zebra_route_string(client->proto)); |
3605 | ||
3606 | client->l3vniadd_cnt++; | |
3607 | return zebra_server_send_message(client); | |
3608 | } | |
3609 | ||
3610 | /* | |
3611 | * Inform BGP about local l3-VNI deletion. | |
3612 | */ | |
3613 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3614 | { | |
3615 | struct stream *s = NULL; | |
3616 | struct zserv *client = NULL; | |
3617 | ||
6f3a2003 | 3618 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3619 | /* BGP may not be running. */ |
3620 | if (!client) | |
3621 | return 0; | |
3622 | ||
3623 | s = client->obuf; | |
3624 | stream_reset(s); | |
3625 | ||
7cf15b25 | 3626 | zclient_create_header(s, ZEBRA_L3VNI_DEL, |
b7cfce93 MK |
3627 | zl3vni_vrf_id(zl3vni)); |
3628 | stream_putl(s, zl3vni->vni); | |
3629 | ||
3630 | /* Write packet size. */ | |
3631 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3632 | ||
3633 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3634 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", | |
3635 | zl3vni->vni, | |
3636 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3637 | zebra_route_string(client->proto)); | |
3638 | ||
3639 | client->l3vnidel_cnt++; | |
3640 | return zebra_server_send_message(client); | |
3641 | } | |
3642 | ||
3643 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3644 | { | |
3645 | if (IS_ZEBRA_DEBUG_VXLAN) | |
655b04d1 | 3646 | zlog_debug("L3-VNI %u is UP - send add to BGP", |
b7cfce93 MK |
3647 | zl3vni->vni); |
3648 | ||
3649 | /* send l3vni add to BGP */ | |
3650 | zl3vni_send_add_to_client(zl3vni); | |
3651 | } | |
3652 | ||
3653 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3654 | { | |
3655 | if (IS_ZEBRA_DEBUG_VXLAN) | |
655b04d1 | 3656 | zlog_debug("L3-VNI %u is Down - Send del to BGP", |
b7cfce93 MK |
3657 | zl3vni->vni); |
3658 | ||
3659 | /* send l3-vni del to BGP*/ | |
3660 | zl3vni_send_del_to_client(zl3vni); | |
3661 | } | |
3662 | ||
3663 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, | |
3664 | void *ctxt) | |
3665 | { | |
3666 | zebra_vni_t *zvni = (zebra_vni_t *) backet->data; | |
3667 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *) ctxt; | |
3668 | ||
3669 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3670 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3671 | } | |
3672 | ||
b7cfce93 MK |
3673 | /* |
3674 | * handle transition of vni from l2 to l3 and vice versa | |
3675 | */ | |
3676 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, | |
3677 | vni_t vni, int add) | |
3678 | { | |
3679 | zebra_vni_t *zvni = NULL; | |
3680 | ||
3681 | /* There is a possibility that VNI notification was already received | |
3682 | * from kernel and we programmed it as L2-VNI | |
3683 | * In such a case we need to delete this L2-VNI first, so | |
3684 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3685 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3686 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3687 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3688 | */ | |
b7cfce93 MK |
3689 | if (add) { |
3690 | /* Locate hash entry */ | |
3691 | zvni = zvni_lookup(vni); | |
3692 | if (!zvni) | |
3693 | return 0; | |
3694 | ||
3695 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3696 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", | |
3697 | vni); | |
3698 | ||
3699 | /* Delete VNI from BGP. */ | |
3700 | zvni_send_del_to_client(zvni->vni); | |
3701 | ||
3702 | /* Free up all neighbors and MAC, if any. */ | |
3703 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3704 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3705 | ||
3706 | /* Free up all remote VTEPs, if any. */ | |
3707 | zvni_vtep_del_all(zvni, 0); | |
3708 | ||
3709 | /* Delete the hash entry. */ | |
3710 | if (zvni_del(zvni)) { | |
3711 | zlog_err("Failed to del VNI hash %p, VNI %u", | |
3712 | zvni, zvni->vni); | |
3713 | return -1; | |
3714 | } | |
3715 | } else { | |
3716 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3717 | * enough information at this point to reprogram the vni as | |
3718 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3719 | * used it solely for this purpose |
3720 | */ | |
b7cfce93 MK |
3721 | } |
3722 | ||
3723 | return 0; | |
3724 | } | |
3725 | ||
5e06422c MK |
3726 | /* delete and uninstall rmac hash entry */ |
3727 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, | |
3728 | void *ctx) | |
3729 | { | |
3730 | zebra_mac_t *zrmac = NULL; | |
3731 | zebra_l3vni_t *zl3vni = NULL; | |
3732 | ||
3733 | zrmac = (zebra_mac_t *)backet->data; | |
3734 | zl3vni = (zebra_l3vni_t *)ctx; | |
3735 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3736 | zl3vni_rmac_del(zl3vni, zrmac); | |
3737 | } | |
3738 | ||
3739 | /* delete and uninstall nh hash entry */ | |
3740 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, | |
3741 | void *ctx) | |
3742 | { | |
3743 | zebra_neigh_t *n = NULL; | |
3744 | zebra_l3vni_t *zl3vni = NULL; | |
3745 | ||
3746 | n = (zebra_neigh_t *)backet->data; | |
3747 | zl3vni = (zebra_l3vni_t *)ctx; | |
3748 | zl3vni_nh_uninstall(zl3vni, n); | |
3749 | zl3vni_nh_del(zl3vni, n); | |
3750 | } | |
3751 | ||
b7cfce93 MK |
3752 | /* Public functions */ |
3753 | ||
2dbad57f | 3754 | /* handle evpn route in vrf table */ |
3755 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, | |
3756 | struct ethaddr *rmac, | |
6134fd82 | 3757 | struct ipaddr *vtep_ip, |
3758 | struct prefix *host_prefix) | |
2dbad57f | 3759 | { |
3760 | zebra_l3vni_t *zl3vni = NULL; | |
3761 | ||
3762 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3763 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3764 | return; | |
3765 | ||
3766 | /* add the next hop neighbor */ | |
6134fd82 | 3767 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 3768 | |
3769 | /* add the rmac */ | |
6134fd82 | 3770 | zl3vni_remote_rmac_add(zl3vni, rmac, vtep_ip, host_prefix); |
2dbad57f | 3771 | } |
3772 | ||
3773 | /* handle evpn vrf route delete */ | |
3774 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, | |
3775 | struct ethaddr *rmac, | |
6134fd82 | 3776 | struct ipaddr *vtep_ip, |
3777 | struct prefix *host_prefix) | |
2dbad57f | 3778 | { |
3779 | zebra_l3vni_t *zl3vni = NULL; | |
3780 | ||
3781 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 3782 | if (!zl3vni) |
2dbad57f | 3783 | return; |
3784 | ||
3785 | /* delete the next hop entry */ | |
6134fd82 | 3786 | zl3vni_remote_nh_del(zl3vni, vtep_ip, host_prefix); |
2dbad57f | 3787 | |
3788 | /* delete the rmac entry */ | |
6134fd82 | 3789 | zl3vni_remote_rmac_del(zl3vni, rmac, host_prefix); |
2dbad57f | 3790 | } |
3791 | ||
9aa741ea MK |
3792 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, |
3793 | vni_t l3vni, | |
316f4ca4 MK |
3794 | struct ethaddr *rmac, |
3795 | u_char use_json) | |
9aa741ea MK |
3796 | { |
3797 | zebra_l3vni_t *zl3vni = NULL; | |
3798 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 3799 | json_object *json = NULL; |
9aa741ea | 3800 | |
316f4ca4 MK |
3801 | if (!is_evpn_enabled()) { |
3802 | if (use_json) | |
3803 | vty_out(vty, "{}\n"); | |
9aa741ea | 3804 | return; |
316f4ca4 MK |
3805 | } |
3806 | ||
3807 | if (use_json) | |
3808 | json = json_object_new_object(); | |
9aa741ea MK |
3809 | |
3810 | zl3vni = zl3vni_lookup(l3vni); | |
3811 | if (!zl3vni) { | |
316f4ca4 MK |
3812 | if (use_json) |
3813 | vty_out(vty, "{}\n"); | |
3814 | else | |
3815 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", | |
3816 | l3vni); | |
9aa741ea MK |
3817 | return; |
3818 | } | |
3819 | ||
3820 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3821 | if (!zrmac) { | |
316f4ca4 MK |
3822 | if (use_json) |
3823 | vty_out(vty, "{}\n"); | |
3824 | else | |
3825 | vty_out(vty, | |
3826 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
3827 | l3vni); | |
9aa741ea MK |
3828 | return; |
3829 | } | |
3830 | ||
316f4ca4 MK |
3831 | zl3vni_print_rmac(zrmac, vty, json); |
3832 | ||
3833 | if (use_json) { | |
3834 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3835 | json, JSON_C_TO_STRING_PRETTY)); | |
3836 | json_object_free(json); | |
3837 | } | |
9aa741ea | 3838 | } |
2dbad57f | 3839 | |
b7cfce93 MK |
3840 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, |
3841 | vni_t l3vni, | |
3842 | u_char use_json) | |
3843 | { | |
3844 | zebra_l3vni_t *zl3vni; | |
3845 | u_int32_t num_rmacs; | |
3846 | struct rmac_walk_ctx wctx; | |
3847 | json_object *json = NULL; | |
b7cfce93 MK |
3848 | |
3849 | if (!is_evpn_enabled()) | |
3850 | return; | |
3851 | ||
3852 | zl3vni = zl3vni_lookup(l3vni); | |
3853 | if (!zl3vni) { | |
3854 | if (use_json) | |
3855 | vty_out(vty, "{}\n"); | |
3856 | else | |
3857 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3858 | return; | |
3859 | } | |
3860 | num_rmacs = hashcount(zl3vni->rmac_table); | |
3861 | if (!num_rmacs) | |
3862 | return; | |
3863 | ||
75223c9e | 3864 | if (use_json) |
b7cfce93 | 3865 | json = json_object_new_object(); |
b7cfce93 MK |
3866 | |
3867 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
3868 | wctx.vty = vty; | |
75223c9e | 3869 | wctx.json = json; |
b7cfce93 MK |
3870 | if (!use_json) { |
3871 | vty_out(vty, | |
3872 | "Number of Remote RMACs known for this VNI: %u\n", | |
3873 | num_rmacs); | |
3874 | vty_out(vty, "%-17s %-21s %-6s\n", "MAC", | |
3875 | "Remote VTEP", "Refcnt"); | |
3876 | } else | |
3877 | json_object_int_add(json, "numRmacs", num_rmacs); | |
3878 | ||
3879 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
3880 | ||
3881 | if (use_json) { | |
b7cfce93 MK |
3882 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
3883 | json, JSON_C_TO_STRING_PRETTY)); | |
3884 | json_object_free(json); | |
3885 | } | |
3886 | } | |
3887 | ||
3888 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, | |
3889 | u_char use_json) | |
3890 | { | |
3891 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 3892 | json_object *json = NULL; |
c0b4eaa4 | 3893 | void *args[2]; |
b7cfce93 MK |
3894 | |
3895 | if (!is_evpn_enabled()) { | |
3896 | if (use_json) | |
3897 | vty_out(vty, "{}\n"); | |
3898 | return; | |
3899 | } | |
3900 | ||
3901 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
3902 | if (!zns) { |
3903 | if (use_json) | |
3904 | vty_out(vty, "{}\n"); | |
b7cfce93 | 3905 | return; |
c0b4eaa4 | 3906 | } |
b7cfce93 MK |
3907 | |
3908 | if (use_json) | |
3909 | json = json_object_new_object(); | |
3910 | ||
c0b4eaa4 MK |
3911 | args[0] = vty; |
3912 | args[1] = json; | |
3913 | hash_iterate(zns->l3vni_table, | |
3914 | (void (*)(struct hash_backet *, | |
3915 | void *))zl3vni_print_rmac_hash_all_vni, | |
3916 | args); | |
b7cfce93 MK |
3917 | |
3918 | if (use_json) { | |
3919 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3920 | json, JSON_C_TO_STRING_PRETTY)); | |
3921 | json_object_free(json); | |
3922 | } | |
3923 | } | |
3924 | ||
9aa741ea MK |
3925 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, |
3926 | vni_t l3vni, | |
c0e519d3 MK |
3927 | struct ipaddr *ip, |
3928 | u_char use_json) | |
9aa741ea MK |
3929 | { |
3930 | zebra_l3vni_t *zl3vni = NULL; | |
3931 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 3932 | json_object *json = NULL; |
9aa741ea | 3933 | |
c0e519d3 MK |
3934 | if (!is_evpn_enabled()) { |
3935 | if (use_json) | |
3936 | vty_out(vty, "{}\n"); | |
9aa741ea | 3937 | return; |
c0e519d3 MK |
3938 | } |
3939 | ||
3940 | if (use_json) | |
3941 | json = json_object_new_object(); | |
9aa741ea MK |
3942 | |
3943 | zl3vni = zl3vni_lookup(l3vni); | |
3944 | if (!zl3vni) { | |
c0e519d3 MK |
3945 | if (use_json) |
3946 | vty_out(vty, "{}\n"); | |
3947 | else | |
3948 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
3949 | return; |
3950 | } | |
3951 | ||
3952 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3953 | if (!n) { | |
c0e519d3 MK |
3954 | if (use_json) |
3955 | vty_out(vty, "{}\n"); | |
3956 | else | |
3957 | vty_out(vty, | |
3958 | "%% Requested next-hop not present for L3-VNI %u", | |
3959 | l3vni); | |
9aa741ea MK |
3960 | return; |
3961 | } | |
3962 | ||
c0e519d3 MK |
3963 | zl3vni_print_nh(n, vty, json); |
3964 | ||
3965 | if (use_json) { | |
3966 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3967 | json, JSON_C_TO_STRING_PRETTY)); | |
3968 | json_object_free(json); | |
3969 | } | |
9aa741ea MK |
3970 | } |
3971 | ||
b7cfce93 MK |
3972 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, |
3973 | vni_t l3vni, | |
3974 | u_char use_json) | |
3975 | { | |
3976 | u_int32_t num_nh; | |
2dbad57f | 3977 | struct nh_walk_ctx wctx; |
b7cfce93 | 3978 | json_object *json = NULL; |
b7cfce93 MK |
3979 | zebra_l3vni_t *zl3vni = NULL; |
3980 | ||
3981 | if (!is_evpn_enabled()) | |
3982 | return; | |
3983 | ||
3984 | zl3vni = zl3vni_lookup(l3vni); | |
3985 | if (!zl3vni) { | |
3986 | if (use_json) | |
3987 | vty_out(vty, "{}\n"); | |
3988 | else | |
3989 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3990 | return; | |
3991 | } | |
3992 | ||
3993 | num_nh = hashcount(zl3vni->nh_table); | |
3994 | if (!num_nh) | |
3995 | return; | |
3996 | ||
9187f600 | 3997 | if (use_json) |
b7cfce93 | 3998 | json = json_object_new_object(); |
b7cfce93 | 3999 | |
2dbad57f | 4000 | wctx.vty = vty; |
9187f600 | 4001 | wctx.json = json; |
b7cfce93 MK |
4002 | if (!use_json) { |
4003 | vty_out(vty, | |
4004 | "Number of NH Neighbors known for this VNI: %u\n", | |
4005 | num_nh); | |
2dbad57f | 4006 | vty_out(vty, "%-15s %-17s %6s\n", "IP", |
b7cfce93 MK |
4007 | "RMAC", "Refcnt"); |
4008 | } else | |
4009 | json_object_int_add(json, "numNh", num_nh); | |
4010 | ||
4011 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4012 | ||
4013 | if (use_json) { | |
b7cfce93 MK |
4014 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4015 | json, JSON_C_TO_STRING_PRETTY)); | |
4016 | json_object_free(json); | |
4017 | } | |
4018 | } | |
4019 | ||
4020 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, | |
4021 | u_char use_json) | |
4022 | { | |
2dbad57f | 4023 | struct zebra_ns *zns = NULL; |
2dbad57f | 4024 | json_object *json = NULL; |
32798965 | 4025 | void *args[2]; |
2dbad57f | 4026 | |
4027 | if (!is_evpn_enabled()) { | |
4028 | if (use_json) | |
4029 | vty_out(vty, "{}\n"); | |
4030 | return; | |
4031 | } | |
4032 | ||
4033 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4034 | if (!zns) | |
4035 | return; | |
4036 | ||
4037 | if (use_json) | |
4038 | json = json_object_new_object(); | |
4039 | ||
32798965 MK |
4040 | args[0] = vty; |
4041 | args[1] = json; | |
4042 | hash_iterate(zns->l3vni_table, | |
4043 | (void (*)(struct hash_backet *, | |
4044 | void *))zl3vni_print_nh_hash_all_vni, | |
4045 | args); | |
2dbad57f | 4046 | |
4047 | if (use_json) { | |
4048 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4049 | json, JSON_C_TO_STRING_PRETTY)); | |
4050 | json_object_free(json); | |
4051 | } | |
b7cfce93 MK |
4052 | return; |
4053 | } | |
4054 | ||
4055 | /* | |
4056 | * Display L3 VNI information (VTY command handler). | |
4057 | */ | |
4058 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, u_char use_json) | |
4059 | { | |
4060 | void *args[2]; | |
4061 | json_object *json = NULL; | |
4062 | zebra_l3vni_t *zl3vni = NULL; | |
4063 | ||
b2ee5a13 MK |
4064 | if (!is_evpn_enabled()) { |
4065 | if (use_json) | |
4066 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4067 | return; |
b2ee5a13 | 4068 | } |
b7cfce93 MK |
4069 | |
4070 | zl3vni = zl3vni_lookup(vni); | |
4071 | if (!zl3vni) { | |
4072 | if (use_json) | |
4073 | vty_out(vty, "{}\n"); | |
4074 | else | |
4075 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4076 | return; | |
4077 | } | |
4078 | ||
4079 | if (use_json) | |
4080 | json = json_object_new_object(); | |
4081 | ||
b2ee5a13 MK |
4082 | args[0] = vty; |
4083 | args[1] = json; | |
b7cfce93 MK |
4084 | zl3vni_print(zl3vni, (void *)args); |
4085 | ||
4086 | if (use_json) { | |
4087 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4088 | json, JSON_C_TO_STRING_PRETTY)); | |
4089 | json_object_free(json); | |
4090 | } | |
4091 | } | |
4092 | ||
4093 | /* | |
4094 | * Display L3 VNI hash table (VTY command handler). | |
4095 | */ | |
4096 | void zebra_vxlan_print_l3vnis(struct vty *vty, u_char use_json) | |
4097 | { | |
4098 | u_int32_t num_vnis; | |
4099 | void *args[2]; | |
4100 | json_object *json = NULL; | |
4101 | struct zebra_ns *zns = NULL; | |
4102 | ||
51d8de8f MK |
4103 | if (!is_evpn_enabled()) { |
4104 | if (use_json) | |
4105 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4106 | return; |
51d8de8f | 4107 | } |
b7cfce93 MK |
4108 | |
4109 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4110 | assert(zns); | |
4111 | ||
4112 | num_vnis = hashcount(zns->l3vni_table); | |
4113 | if (!num_vnis) { | |
4114 | if (use_json) | |
4115 | vty_out(vty, "{}\n"); | |
4116 | return; | |
4117 | } | |
4118 | ||
4119 | if (use_json) { | |
4120 | json = json_object_new_object(); | |
4121 | json_object_int_add(json, "numVnis", num_vnis); | |
4122 | } else { | |
4123 | vty_out(vty, "Number of L3 VNIs: %u\n", num_vnis); | |
b67a60d2 | 4124 | vty_out(vty, "%-10s %-15s %-20s %-20s %-5s %-37s %-18s\n", |
4125 | "VNI", "Local-ip", "Vx-intf", "L3-SVI", "State", | |
4126 | "VRF", "Rmac"); | |
b7cfce93 MK |
4127 | } |
4128 | ||
51d8de8f MK |
4129 | args[0] = vty; |
4130 | args[1] = json; | |
b7cfce93 MK |
4131 | hash_iterate(zns->l3vni_table, |
4132 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
4133 | args); | |
4134 | ||
4135 | if (use_json) { | |
4136 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4137 | json, JSON_C_TO_STRING_PRETTY)); | |
4138 | json_object_free(json); | |
4139 | } | |
4140 | } | |
4141 | ||
4142 | /* | |
4143 | * Display Neighbors for a VNI (VTY command handler). | |
4144 | */ | |
4145 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
4146 | vni_t vni, u_char use_json) | |
4147 | { | |
4148 | zebra_vni_t *zvni; | |
4149 | u_int32_t num_neigh; | |
4150 | struct neigh_walk_ctx wctx; | |
4151 | json_object *json = NULL; | |
4152 | ||
4153 | if (!is_evpn_enabled()) | |
4154 | return; | |
4155 | zvni = zvni_lookup(vni); | |
4156 | if (!zvni) { | |
4157 | if (use_json) | |
4158 | vty_out(vty, "{}\n"); | |
4159 | else | |
4160 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4161 | return; | |
4162 | } | |
4163 | num_neigh = hashcount(zvni->neigh_table); | |
4164 | if (!num_neigh) | |
4165 | return; | |
4166 | ||
4167 | if (use_json) | |
4168 | json = json_object_new_object(); | |
4169 | ||
4170 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4171 | * size, we try to be a bit more elegant in display by first computing | |
4172 | * the maximum width. | |
4173 | */ | |
4174 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4175 | wctx.zvni = zvni; | |
4176 | wctx.vty = vty; | |
4177 | wctx.addr_width = 15; | |
4178 | wctx.json = json; | |
4179 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4180 | ||
4181 | if (!use_json) { | |
4182 | vty_out(vty, | |
4183 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4184 | num_neigh); | |
4185 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4186 | "Type", "MAC", "Remote VTEP"); | |
4187 | } else | |
4188 | json_object_int_add(json, "numArpNd", num_neigh); | |
4189 | ||
4190 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4191 | if (use_json) { | |
4192 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4193 | json, JSON_C_TO_STRING_PRETTY)); | |
4194 | json_object_free(json); | |
4195 | } | |
4196 | } | |
4197 | ||
4198 | /* | |
4199 | * Display neighbors across all VNIs (VTY command handler). | |
4200 | */ | |
4201 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
4202 | u_char use_json) | |
4203 | { | |
4204 | json_object *json = NULL; | |
4205 | void *args[2]; | |
4206 | ||
4207 | if (!is_evpn_enabled()) | |
4208 | return; | |
4209 | ||
4210 | if (use_json) | |
4211 | json = json_object_new_object(); | |
4212 | ||
4213 | args[0] = vty; | |
4214 | args[1] = json; | |
4215 | hash_iterate(zvrf->vni_table, | |
4216 | (void (*)(struct hash_backet *, | |
4217 | void *))zvni_print_neigh_hash_all_vni, | |
4218 | args); | |
4219 | if (use_json) { | |
4220 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4221 | json, JSON_C_TO_STRING_PRETTY)); | |
4222 | json_object_free(json); | |
4223 | } | |
4224 | } | |
4225 | ||
4226 | /* | |
4227 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4228 | */ | |
4229 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4230 | struct zebra_vrf *zvrf, vni_t vni, | |
4231 | struct ipaddr *ip, u_char use_json) | |
4232 | { | |
4233 | zebra_vni_t *zvni; | |
4234 | zebra_neigh_t *n; | |
4235 | json_object *json = NULL; | |
4236 | ||
4237 | if (!is_evpn_enabled()) | |
4238 | return; | |
4239 | zvni = zvni_lookup(vni); | |
4240 | if (!zvni) { | |
4241 | if (use_json) | |
cd233079 CS |
4242 | vty_out(vty, "{}\n"); |
4243 | else | |
4244 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4245 | return; |
4246 | } | |
4247 | n = zvni_neigh_lookup(zvni, ip); | |
4248 | if (!n) { | |
cd233079 CS |
4249 | if (!use_json) |
4250 | vty_out(vty, | |
4251 | "%% Requested neighbor does not exist in VNI %u\n", | |
4252 | vni); | |
d62a17ae | 4253 | return; |
4254 | } | |
cd233079 CS |
4255 | if (use_json) |
4256 | json = json_object_new_object(); | |
4257 | ||
4258 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4259 | |
cd233079 CS |
4260 | if (use_json) { |
4261 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4262 | json, JSON_C_TO_STRING_PRETTY)); | |
4263 | json_object_free(json); | |
4264 | } | |
cec2e17d | 4265 | } |
4266 | ||
4267 | /* | |
4268 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4269 | * By definition, these are remote neighbors. | |
4270 | */ | |
d62a17ae | 4271 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4272 | vni_t vni, struct in_addr vtep_ip, |
4273 | u_char use_json) | |
cec2e17d | 4274 | { |
d62a17ae | 4275 | zebra_vni_t *zvni; |
4276 | u_int32_t num_neigh; | |
4277 | struct neigh_walk_ctx wctx; | |
cd233079 | 4278 | json_object *json = NULL; |
cec2e17d | 4279 | |
2853fed6 | 4280 | if (!is_evpn_enabled()) |
d62a17ae | 4281 | return; |
2853fed6 | 4282 | zvni = zvni_lookup(vni); |
d62a17ae | 4283 | if (!zvni) { |
cd233079 CS |
4284 | if (use_json) |
4285 | vty_out(vty, "{}\n"); | |
4286 | else | |
4287 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4288 | return; |
4289 | } | |
4290 | num_neigh = hashcount(zvni->neigh_table); | |
4291 | if (!num_neigh) | |
4292 | return; | |
cec2e17d | 4293 | |
d62a17ae | 4294 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4295 | wctx.zvni = zvni; | |
4296 | wctx.vty = vty; | |
4297 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
4298 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4299 | wctx.json = json; |
d62a17ae | 4300 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4301 | |
4302 | if (use_json) { | |
4303 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4304 | json, JSON_C_TO_STRING_PRETTY)); | |
4305 | json_object_free(json); | |
4306 | } | |
cec2e17d | 4307 | } |
4308 | ||
4309 | /* | |
4310 | * Display MACs for a VNI (VTY command handler). | |
4311 | */ | |
d62a17ae | 4312 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4313 | vni_t vni, u_char use_json) |
cec2e17d | 4314 | { |
d62a17ae | 4315 | zebra_vni_t *zvni; |
4316 | u_int32_t num_macs; | |
4317 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4318 | json_object *json = NULL; |
4319 | json_object *json_mac = NULL; | |
cec2e17d | 4320 | |
2853fed6 | 4321 | if (!is_evpn_enabled()) |
d62a17ae | 4322 | return; |
2853fed6 | 4323 | zvni = zvni_lookup(vni); |
d62a17ae | 4324 | if (!zvni) { |
cd233079 CS |
4325 | if (use_json) |
4326 | vty_out(vty, "{}\n"); | |
4327 | else | |
4328 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4329 | return; |
4330 | } | |
790f8dc5 | 4331 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4332 | if (!num_macs) |
4333 | return; | |
cec2e17d | 4334 | |
cd233079 CS |
4335 | if (use_json) { |
4336 | json = json_object_new_object(); | |
4337 | json_mac = json_object_new_object(); | |
4338 | } | |
4339 | ||
d62a17ae | 4340 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4341 | wctx.zvni = zvni; | |
4342 | wctx.vty = vty; | |
cd233079 | 4343 | wctx.json = json_mac; |
cec2e17d | 4344 | |
cd233079 CS |
4345 | if (!use_json) { |
4346 | vty_out(vty, | |
4347 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4348 | num_macs); | |
4349 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4350 | "Intf/Remote VTEP", "VLAN"); | |
4351 | } else | |
4352 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4353 | |
d62a17ae | 4354 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4355 | |
4356 | if (use_json) { | |
4357 | json_object_object_add(json, "macs", json_mac); | |
4358 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4359 | json, JSON_C_TO_STRING_PRETTY)); | |
4360 | json_object_free(json); | |
4361 | } | |
cec2e17d | 4362 | } |
4363 | ||
4364 | /* | |
4365 | * Display MACs for all VNIs (VTY command handler). | |
4366 | */ | |
cd233079 CS |
4367 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4368 | u_char use_json) | |
cec2e17d | 4369 | { |
d62a17ae | 4370 | struct mac_walk_ctx wctx; |
cd233079 | 4371 | json_object *json = NULL; |
cec2e17d | 4372 | |
2853fed6 | 4373 | if (!is_evpn_enabled()) { |
cd233079 CS |
4374 | if (use_json) |
4375 | vty_out(vty, "{}\n"); | |
d62a17ae | 4376 | return; |
cd233079 CS |
4377 | } |
4378 | if (use_json) | |
4379 | json = json_object_new_object(); | |
4380 | ||
d62a17ae | 4381 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4382 | wctx.vty = vty; | |
cd233079 | 4383 | wctx.json = json; |
d62a17ae | 4384 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4385 | |
4386 | if (use_json) { | |
4387 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4388 | json, JSON_C_TO_STRING_PRETTY)); | |
4389 | json_object_free(json); | |
4390 | } | |
cec2e17d | 4391 | } |
4392 | ||
4393 | /* | |
4394 | * Display MACs for all VNIs (VTY command handler). | |
4395 | */ | |
d62a17ae | 4396 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4397 | struct zebra_vrf *zvrf, | |
cd233079 CS |
4398 | struct in_addr vtep_ip, |
4399 | u_char use_json) | |
cec2e17d | 4400 | { |
d62a17ae | 4401 | struct mac_walk_ctx wctx; |
cd233079 | 4402 | json_object *json = NULL; |
cec2e17d | 4403 | |
2853fed6 | 4404 | if (!is_evpn_enabled()) |
d62a17ae | 4405 | return; |
cd233079 CS |
4406 | |
4407 | if (use_json) | |
4408 | json = json_object_new_object(); | |
4409 | ||
d62a17ae | 4410 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4411 | wctx.vty = vty; | |
4412 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4413 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4414 | wctx.json = json; |
d62a17ae | 4415 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4416 | |
4417 | if (use_json) { | |
4418 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4419 | json, JSON_C_TO_STRING_PRETTY)); | |
4420 | json_object_free(json); | |
4421 | } | |
cec2e17d | 4422 | } |
4423 | ||
4424 | /* | |
4425 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4426 | */ | |
d62a17ae | 4427 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4428 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4429 | { |
d62a17ae | 4430 | zebra_vni_t *zvni; |
4431 | zebra_mac_t *mac; | |
cec2e17d | 4432 | |
2853fed6 | 4433 | if (!is_evpn_enabled()) |
d62a17ae | 4434 | return; |
2853fed6 | 4435 | zvni = zvni_lookup(vni); |
d62a17ae | 4436 | if (!zvni) { |
4437 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4438 | return; | |
4439 | } | |
4440 | mac = zvni_mac_lookup(zvni, macaddr); | |
4441 | if (!mac) { | |
4442 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4443 | vni); | |
4444 | return; | |
4445 | } | |
cec2e17d | 4446 | |
d62a17ae | 4447 | zvni_print_mac(mac, vty); |
cec2e17d | 4448 | } |
4449 | ||
4450 | /* | |
4451 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4452 | */ | |
d62a17ae | 4453 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4454 | vni_t vni, struct in_addr vtep_ip, |
4455 | u_char use_json) | |
cec2e17d | 4456 | { |
d62a17ae | 4457 | zebra_vni_t *zvni; |
4458 | u_int32_t num_macs; | |
4459 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4460 | json_object *json = NULL; |
4461 | json_object *json_mac = NULL; | |
cec2e17d | 4462 | |
2853fed6 | 4463 | if (!is_evpn_enabled()) |
d62a17ae | 4464 | return; |
2853fed6 | 4465 | zvni = zvni_lookup(vni); |
d62a17ae | 4466 | if (!zvni) { |
cd233079 CS |
4467 | if (use_json) |
4468 | vty_out(vty, "{}\n"); | |
4469 | else | |
4470 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4471 | return; |
4472 | } | |
790f8dc5 | 4473 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4474 | if (!num_macs) |
4475 | return; | |
cd233079 CS |
4476 | |
4477 | if (use_json) { | |
4478 | json = json_object_new_object(); | |
4479 | json_mac = json_object_new_object(); | |
4480 | } | |
4481 | ||
d62a17ae | 4482 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4483 | wctx.zvni = zvni; | |
4484 | wctx.vty = vty; | |
4485 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4486 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4487 | wctx.json = json_mac; |
d62a17ae | 4488 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4489 | |
4490 | if (use_json) { | |
4491 | json_object_int_add(json, "numMacs", wctx.count); | |
4492 | if (wctx.count) | |
4493 | json_object_object_add(json, "macs", json_mac); | |
4494 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4495 | json, JSON_C_TO_STRING_PRETTY)); | |
4496 | json_object_free(json); | |
4497 | } | |
cec2e17d | 4498 | } |
4499 | ||
4500 | ||
4501 | /* | |
4502 | * Display VNI information (VTY command handler). | |
4503 | */ | |
cd233079 CS |
4504 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
4505 | u_char use_json) | |
cec2e17d | 4506 | { |
d62a17ae | 4507 | zebra_vni_t *zvni; |
cd233079 CS |
4508 | json_object *json = NULL; |
4509 | void *args[2]; | |
cec2e17d | 4510 | |
2853fed6 | 4511 | if (!is_evpn_enabled()) |
d62a17ae | 4512 | return; |
2853fed6 | 4513 | zvni = zvni_lookup(vni); |
d62a17ae | 4514 | if (!zvni) { |
cd233079 CS |
4515 | if (use_json) |
4516 | vty_out(vty, "{}\n"); | |
4517 | else | |
4518 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4519 | return; |
4520 | } | |
cd233079 CS |
4521 | if (use_json) |
4522 | json = json_object_new_object(); | |
4523 | args[0] = vty; | |
4524 | args[1] = json; | |
4525 | zvni_print(zvni, (void *)args); | |
4526 | if (use_json) { | |
4527 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4528 | json, JSON_C_TO_STRING_PRETTY)); | |
4529 | json_object_free(json); | |
4530 | } | |
cec2e17d | 4531 | } |
4532 | ||
4533 | /* | |
4534 | * Display VNI hash table (VTY command handler). | |
4535 | */ | |
cd233079 CS |
4536 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, |
4537 | u_char use_json) | |
cec2e17d | 4538 | { |
d62a17ae | 4539 | u_int32_t num_vnis; |
cd233079 CS |
4540 | json_object *json = NULL; |
4541 | void *args[2]; | |
cec2e17d | 4542 | |
2853fed6 | 4543 | if (!is_evpn_enabled()) |
d62a17ae | 4544 | return; |
4545 | num_vnis = hashcount(zvrf->vni_table); | |
cd233079 CS |
4546 | if (!num_vnis) { |
4547 | if (use_json) | |
4548 | vty_out(vty, "{}\n"); | |
d62a17ae | 4549 | return; |
cd233079 CS |
4550 | } |
4551 | if (use_json) { | |
4552 | json = json_object_new_object(); | |
ddd16ed5 MK |
4553 | json_object_string_add(json, "advertiseGatewayMacip", |
4554 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
4555 | json_object_int_add(json, "numVnis", num_vnis); |
4556 | } else { | |
ddd16ed5 MK |
4557 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4558 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4559 | vty_out(vty, "Number of VNIs: %u\n", num_vnis); |
b7cfce93 | 4560 | vty_out(vty, "%-10s %-21s %-15s %-8s %-8s %-15s %-37s\n", "VNI", |
cd233079 | 4561 | "VxLAN IF", "VTEP IP", "# MACs", "# ARPs", |
b7cfce93 | 4562 | "# Remote VTEPs", "VRF"); |
cd233079 CS |
4563 | } |
4564 | args[0] = vty; | |
4565 | args[1] = json; | |
4566 | ||
4567 | hash_iterate(zvrf->vni_table, | |
4568 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4569 | args); | |
4570 | ||
4571 | if (use_json) { | |
4572 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4573 | json, JSON_C_TO_STRING_PRETTY)); | |
4574 | json_object_free(json); | |
4575 | } | |
cec2e17d | 4576 | } |
4577 | ||
2232a77c | 4578 | /* |
4579 | * Handle neighbor delete (on a VLAN device / L3 interface) from the | |
4580 | * kernel. This may result in either the neighbor getting deleted from | |
4581 | * our database or being re-added to the kernel (if it is a valid | |
4582 | * remote neighbor). | |
4583 | */ | |
d62a17ae | 4584 | int zebra_vxlan_local_neigh_del(struct interface *ifp, |
4585 | struct interface *link_if, struct ipaddr *ip) | |
4586 | { | |
d62a17ae | 4587 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 4588 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4589 | zebra_neigh_t *n = NULL; |
4590 | zebra_vni_t *zvni = NULL; | |
4591 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 4592 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 4593 | |
8c9b80b9 | 4594 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 4595 | * next-hop |
4596 | */ | |
8c9b80b9 MK |
4597 | zl3vni = zl3vni_from_svi(ifp, link_if); |
4598 | if (zl3vni) | |
4599 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 4600 | |
4601 | /* We are only interested in neighbors on an SVI that resides on top | |
4602 | * of a VxLAN bridge. | |
4603 | */ | |
b7cfce93 | 4604 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4605 | if (!zvni) |
4606 | return 0; | |
8c9b80b9 | 4607 | |
d62a17ae | 4608 | if (!zvni->vxlan_if) { |
4609 | zlog_err( | |
4610 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
4611 | zvni->vni, zvni); | |
4612 | return -1; | |
4613 | } | |
4614 | ||
4615 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4616 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
2853fed6 | 4617 | ipaddr2str(ip, buf, sizeof(buf)), |
8c9b80b9 | 4618 | ifp->name, ifp->ifindex, zvni->vni); |
d62a17ae | 4619 | |
4620 | /* If entry doesn't exist, nothing to do. */ | |
4621 | n = zvni_neigh_lookup(zvni, ip); | |
4622 | if (!n) | |
4623 | return 0; | |
4624 | ||
b6938a74 MK |
4625 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4626 | if (!zmac) { | |
4627 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4628 | zlog_err( | |
2853fed6 | 4629 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4630 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4631 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4632 | zvni->vni); | |
4633 | ||
4634 | return 0; | |
4635 | } | |
4636 | ||
d62a17ae | 4637 | /* If it is a remote entry, the kernel has aged this out or someone has |
4638 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4639 | */ | |
4640 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4641 | zvni_neigh_install(zvni, n); | |
4642 | return 0; | |
4643 | } | |
4644 | ||
d62a17ae | 4645 | /* Remove neighbor from BGP. */ |
b6938a74 | 4646 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2853fed6 | 4647 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, |
b6938a74 | 4648 | 0); |
d62a17ae | 4649 | |
4650 | /* Delete this neighbor entry. */ | |
4651 | zvni_neigh_del(zvni, n); | |
4652 | ||
b6938a74 MK |
4653 | /* see if the AUTO mac needs to be deleted */ |
4654 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4655 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4656 | zvni_mac_del(zvni, zmac); |
4657 | ||
d62a17ae | 4658 | return 0; |
2232a77c | 4659 | } |
4660 | ||
4661 | /* | |
859b32c0 MK |
4662 | * Handle neighbor add or update (on a VLAN device / L3 interface) |
4663 | * from the kernel. | |
2232a77c | 4664 | */ |
d62a17ae | 4665 | int zebra_vxlan_local_neigh_add_update(struct interface *ifp, |
4666 | struct interface *link_if, | |
4667 | struct ipaddr *ip, | |
4668 | struct ethaddr *macaddr, u_int16_t state, | |
4669 | u_char ext_learned) | |
4670 | { | |
d62a17ae | 4671 | char buf[ETHER_ADDR_STRLEN]; |
4672 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
4673 | zebra_vni_t *zvni = NULL; |
4674 | zebra_neigh_t *n = NULL; | |
4675 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
3bcbba10 | 4676 | zebra_l3vni_t *zl3vni = NULL; |
4677 | ||
4678 | /* check if this is a remote neigh entry corresponding to remote | |
4679 | * next-hop | |
4680 | */ | |
4681 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4682 | if (zl3vni) | |
4683 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 4684 | |
d62a17ae | 4685 | /* We are only interested in neighbors on an SVI that resides on top |
4686 | * of a VxLAN bridge. | |
4687 | */ | |
b7cfce93 | 4688 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4689 | if (!zvni) |
4690 | return 0; | |
4691 | ||
d62a17ae | 4692 | if (IS_ZEBRA_DEBUG_VXLAN) |
4693 | zlog_debug( | |
8c9b80b9 | 4694 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s-> L2-VNI %u", |
2853fed6 | 4695 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4696 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4697 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
8c9b80b9 | 4698 | zvni->vni); |
d62a17ae | 4699 | |
b6938a74 MK |
4700 | /* create a dummy MAC if the MAC is not already present */ |
4701 | zmac = zvni_mac_lookup(zvni, macaddr); | |
4702 | if (!zmac) { | |
4703 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4704 | zlog_debug( | |
2853fed6 | 4705 | "AUTO MAC %s created for neigh %s on VNI %u", |
b6938a74 MK |
4706 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4707 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
4708 | ||
4709 | zmac = zvni_mac_add(zvni, macaddr); | |
4710 | if (!zmac) { | |
2853fed6 | 4711 | zlog_warn("Failed to add MAC %s VNI %u", |
b6938a74 MK |
4712 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4713 | zvni->vni); | |
4714 | return -1; | |
4715 | } | |
4716 | ||
4717 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
4718 | memset(&zmac->flags, 0, sizeof(u_int32_t)); | |
4719 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
4720 | } | |
4721 | ||
d62a17ae | 4722 | /* If same entry already exists, it might be a change or it might be a |
4723 | * move from remote to local. | |
4724 | */ | |
4725 | n = zvni_neigh_lookup(zvni, ip); | |
4726 | if (n) { | |
4727 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4728 | if (memcmp(n->emac.octet, macaddr->octet, | |
ff8b7eb8 | 4729 | ETH_ALEN) |
d62a17ae | 4730 | == 0) { |
b682f6de | 4731 | /* Update any params and return - client doesn't |
4732 | * care about a purely local change. | |
4733 | */ | |
4734 | n->ifindex = ifp->ifindex; | |
4735 | return 0; | |
57f7feb6 | 4736 | } |
b682f6de | 4737 | |
57f7feb6 MK |
4738 | /* If the MAC has changed, |
4739 | * need to issue a delete first | |
4740 | * as this means a different MACIP route. | |
4741 | * Also, need to do some unlinking/relinking. | |
4742 | */ | |
2853fed6 | 4743 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
60466a63 | 4744 | &n->emac, 0); |
57f7feb6 MK |
4745 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
4746 | if (old_zmac) { | |
60466a63 | 4747 | listnode_delete(old_zmac->neigh_list, n); |
57f7feb6 | 4748 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
b682f6de | 4749 | } |
57f7feb6 MK |
4750 | |
4751 | /* Set "local" forwarding info. */ | |
4752 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4753 | n->ifindex = ifp->ifindex; | |
4754 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4755 | ||
4756 | /* Link to new MAC */ | |
4757 | listnode_add_sort(zmac->neigh_list, n); | |
d62a17ae | 4758 | } else if (ext_learned) |
4759 | /* The neighbor is remote and that is the notification we got. | |
9d303b37 | 4760 | */ |
d62a17ae | 4761 | { |
859b32c0 | 4762 | /* TODO: Evaluate if we need to do anything here. */ |
d62a17ae | 4763 | return 0; |
4764 | } else | |
4765 | /* Neighbor has moved from remote to local. */ | |
4766 | { | |
4767 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4768 | n->r_vtep_ip.s_addr = 0; | |
b682f6de | 4769 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
4770 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4771 | } |
4772 | } else { | |
b6938a74 | 4773 | n = zvni_neigh_add(zvni, ip, macaddr); |
d62a17ae | 4774 | if (!n) { |
4775 | zlog_err( | |
2853fed6 | 4776 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
4777 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
d62a17ae | 4778 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4779 | ifp->name, ifp->ifindex, zvni->vni); | |
4780 | return -1; | |
4781 | } | |
b682f6de | 4782 | /* Set "local" forwarding info. */ |
4783 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4784 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4785 | } |
4786 | ||
b6938a74 MK |
4787 | /* Before we program this in BGP, we need to check if MAC is locally |
4788 | * learnt as well */ | |
4789 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
4790 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4791 | zlog_debug( | |
2853fed6 | 4792 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u", |
4793 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
b6938a74 MK |
4794 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4795 | zvni->vni); | |
4796 | ||
4797 | return 0; | |
4798 | } | |
4799 | ||
b682f6de | 4800 | /* Inform BGP. */ |
4801 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4802 | zlog_debug("neigh %s (MAC %s) is now ACTIVE on L2-VNI %u", |
2853fed6 | 4803 | ipaddr2str(ip, buf2, sizeof(buf2)), |
60466a63 | 4804 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
8c9b80b9 | 4805 | zvni->vni); |
b682f6de | 4806 | ZEBRA_NEIGH_SET_ACTIVE(n); |
b7cfce93 | 4807 | |
ead40654 | 4808 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
2232a77c | 4809 | } |
4810 | ||
b682f6de | 4811 | |
2232a77c | 4812 | /* |
4813 | * Handle message from client to delete a remote MACIP for a VNI. | |
4814 | */ | |
e4bd522a | 4815 | int zebra_vxlan_remote_macip_del(struct zserv *client, u_short length, |
d62a17ae | 4816 | struct zebra_vrf *zvrf) |
4817 | { | |
4818 | struct stream *s; | |
4819 | vni_t vni; | |
4820 | struct ethaddr macaddr; | |
4821 | struct ipaddr ip; | |
4822 | struct in_addr vtep_ip; | |
4823 | zebra_vni_t *zvni; | |
4824 | zebra_mac_t *mac; | |
4825 | zebra_neigh_t *n; | |
4826 | u_short l = 0, ipa_len; | |
4827 | char buf[ETHER_ADDR_STRLEN]; | |
4828 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 4829 | struct interface *ifp = NULL; |
4830 | struct zebra_if *zif = NULL; | |
d62a17ae | 4831 | |
b7cfce93 | 4832 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4833 | memset(&ip, 0, sizeof(struct ipaddr)); |
4834 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4835 | ||
d62a17ae | 4836 | s = client->ibuf; |
4837 | ||
4838 | while (l < length) { | |
4839 | /* Obtain each remote MACIP and process. */ | |
4840 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
4841 | * followed by remote VTEP IP. | |
4842 | */ | |
4843 | mac = NULL; | |
4844 | n = NULL; | |
4845 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
4846 | STREAM_GETL(s, vni); |
4847 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
4848 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 4849 | if (ipa_len) { |
4850 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
4851 | : IPADDR_V6; | |
ec93aa12 | 4852 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 4853 | } |
ff8b7eb8 | 4854 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 4855 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 4856 | l += IPV4_MAX_BYTELEN; |
4857 | ||
4858 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4859 | zlog_debug( | |
23a06e11 | 4860 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 4861 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
4862 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
4863 | inet_ntoa(vtep_ip), | |
4864 | zebra_route_string(client->proto)); | |
4865 | ||
4866 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 4867 | zvni = zvni_lookup(vni); |
d62a17ae | 4868 | if (!zvni) { |
4869 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4870 | zlog_debug( | |
4871 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 4872 | "VNI %u", |
4873 | vni); | |
d62a17ae | 4874 | continue; |
4875 | } | |
b5ebdc9b | 4876 | ifp = zvni->vxlan_if; |
af026ae4 | 4877 | if (!ifp) { |
d62a17ae | 4878 | zlog_err( |
4879 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
4880 | vni, zvni); | |
4881 | continue; | |
4882 | } | |
b5ebdc9b | 4883 | zif = ifp->info; |
4884 | ||
4885 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4886 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 4887 | continue; |
d62a17ae | 4888 | |
4889 | /* The remote VTEP specified is normally expected to exist, but | |
4890 | * it is | |
4891 | * possible that the peer may delete the VTEP before deleting | |
4892 | * any MACs | |
4893 | * referring to the VTEP, in which case the handler (see | |
4894 | * remote_vtep_del) | |
4895 | * would have already deleted the MACs. | |
4896 | */ | |
4897 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4898 | continue; | |
4899 | ||
d62a17ae | 4900 | mac = zvni_mac_lookup(zvni, &macaddr); |
4901 | if (ipa_len) | |
4902 | n = zvni_neigh_lookup(zvni, &ip); | |
4903 | ||
4904 | if (n && !mac) { | |
4905 | zlog_err( | |
2853fed6 | 4906 | "Failed to locate MAC %s for neigh %s VNI %u", |
d62a17ae | 4907 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
2853fed6 | 4908 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); |
d62a17ae | 4909 | continue; |
4910 | } | |
4911 | ||
4912 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4913 | * more | |
4914 | * to do. Otherwise, uninstall the entry and then remove it. | |
4915 | */ | |
4916 | if (!mac && !n) | |
4917 | continue; | |
4918 | ||
ead40654 MK |
4919 | /* Ignore the delete if this mac is a gateway mac-ip */ |
4920 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) && | |
4921 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4922 | zlog_err("%u: Ignore Del for MAC %s neigh %s on VNI %u as it is configured as a default gateway", | |
4923 | zvrf_id(zvrf), | |
4924 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
4925 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
4926 | vni); | |
4927 | continue; | |
4928 | } | |
4929 | ||
d62a17ae | 4930 | /* Uninstall remote neighbor or MAC. */ |
4931 | if (n) { | |
4932 | /* When the MAC changes for an IP, it is possible the | |
4933 | * client may | |
4934 | * update the new MAC before trying to delete the "old" | |
4935 | * neighbor | |
4936 | * (as these are two different MACIP routes). Do the | |
4937 | * delete only | |
4938 | * if the MAC matches. | |
4939 | */ | |
4940 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4941 | && (memcmp(n->emac.octet, macaddr.octet, | |
ff8b7eb8 | 4942 | ETH_ALEN) |
d62a17ae | 4943 | == 0)) { |
4944 | zvni_neigh_uninstall(zvni, n); | |
4945 | zvni_neigh_del(zvni, n); | |
4946 | zvni_deref_ip2mac(zvni, mac, 1); | |
4947 | } | |
4948 | } else { | |
4949 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
2853fed6 | 4950 | zvni_process_neigh_on_remote_mac_del(zvni, |
b6938a74 MK |
4951 | mac); |
4952 | ||
0a97666d | 4953 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 4954 | zvni_mac_uninstall(zvni, mac, 0); |
4955 | zvni_mac_del(zvni, mac); | |
4956 | } else | |
4957 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4958 | } | |
4959 | } | |
4960 | } | |
4961 | ||
ec93aa12 | 4962 | stream_failure: |
d62a17ae | 4963 | return 0; |
2232a77c | 4964 | } |
4965 | ||
4966 | /* | |
4967 | * Handle message from client to add a remote MACIP for a VNI. This | |
4968 | * could be just the add of a MAC address or the add of a neighbor | |
4969 | * (IP+MAC). | |
4970 | */ | |
e4bd522a | 4971 | int zebra_vxlan_remote_macip_add(struct zserv *client, u_short length, |
d62a17ae | 4972 | struct zebra_vrf *zvrf) |
4973 | { | |
4974 | struct stream *s; | |
4975 | vni_t vni; | |
4976 | struct ethaddr macaddr; | |
4977 | struct ipaddr ip; | |
4978 | struct in_addr vtep_ip; | |
4979 | zebra_vni_t *zvni; | |
4980 | zebra_vtep_t *zvtep; | |
4981 | zebra_mac_t *mac, *old_mac; | |
4982 | zebra_neigh_t *n; | |
4983 | u_short l = 0, ipa_len; | |
4984 | int update_mac = 0, update_neigh = 0; | |
4985 | char buf[ETHER_ADDR_STRLEN]; | |
4986 | char buf1[INET6_ADDRSTRLEN]; | |
ead40654 MK |
4987 | u_char sticky = 0; |
4988 | u_char flags = 0; | |
b5ebdc9b | 4989 | struct interface *ifp = NULL; |
4990 | struct zebra_if *zif = NULL; | |
d62a17ae | 4991 | |
b7cfce93 | 4992 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4993 | memset(&ip, 0, sizeof(struct ipaddr)); |
4994 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4995 | ||
ec93aa12 DS |
4996 | if (!EVPN_ENABLED(zvrf)) { |
4997 | zlog_warn("%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
4998 | __PRETTY_FUNCTION__); | |
4999 | return -1; | |
5000 | } | |
d62a17ae | 5001 | |
5002 | s = client->ibuf; | |
5003 | ||
5004 | while (l < length) { | |
5005 | /* Obtain each remote MACIP and process. */ | |
5006 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5007 | * followed by remote VTEP IP. | |
5008 | */ | |
5009 | update_mac = update_neigh = 0; | |
5010 | mac = NULL; | |
5011 | n = NULL; | |
5012 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5013 | STREAM_GETL(s, vni); |
5014 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5015 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5016 | if (ipa_len) { |
5017 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5018 | : IPADDR_V6; | |
ec93aa12 | 5019 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5020 | } |
ff8b7eb8 | 5021 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5022 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5023 | l += IPV4_MAX_BYTELEN; |
5024 | ||
ead40654 MK |
5025 | /* Get flags - sticky mac and/or gateway mac */ |
5026 | flags = stream_getc(s); | |
5027 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
d62a17ae | 5028 | l++; |
5029 | ||
5030 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5031 | zlog_debug( | |
ead40654 | 5032 | "Recv MACIP Add MAC %s IP %s VNI %u Remote VTEP %s with flags 0x%x from %s", |
d62a17ae | 5033 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5034 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
ead40654 | 5035 | inet_ntoa(vtep_ip), flags, |
d62a17ae | 5036 | zebra_route_string(client->proto)); |
5037 | ||
5038 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5039 | zvni = zvni_lookup(vni); |
d62a17ae | 5040 | if (!zvni) { |
5041 | zlog_err( | |
2853fed6 | 5042 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
5043 | vni); | |
d62a17ae | 5044 | continue; |
5045 | } | |
b5ebdc9b | 5046 | ifp = zvni->vxlan_if; |
5047 | if (!ifp) { | |
d62a17ae | 5048 | zlog_err( |
5049 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
5050 | vni, zvni); | |
5051 | continue; | |
5052 | } | |
b5ebdc9b | 5053 | zif = ifp->info; |
5054 | ||
5055 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5056 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5057 | continue; |
5058 | ||
5059 | /* The remote VTEP specified should normally exist, but it is | |
5060 | * possible | |
5061 | * that when peering comes up, peer may advertise MACIP routes | |
5062 | * before | |
5063 | * advertising type-3 routes. | |
5064 | */ | |
5065 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5066 | if (!zvtep) { | |
5067 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5068 | zlog_err( | |
2853fed6 | 5069 | "Failed to add remote VTEP, VNI %u zvni %p", |
5070 | vni, zvni); | |
d62a17ae | 5071 | continue; |
5072 | } | |
5073 | ||
5074 | zvni_vtep_install(zvni, &vtep_ip); | |
5075 | } | |
5076 | ||
d62a17ae | 5077 | mac = zvni_mac_lookup(zvni, &macaddr); |
ead40654 MK |
5078 | |
5079 | /* Ignore the update if the mac is already present | |
5080 | as a gateway mac */ | |
5081 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
5082 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
5083 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5084 | zlog_debug("%u:Ignore MAC %s IP %s on VNI %u as MAC is already configured as gateway mac", | |
5085 | zvrf_id(zvrf), | |
5086 | prefix_mac2str(&macaddr, | |
5087 | buf, sizeof(buf)), | |
5088 | ipaddr2str(&ip, buf1, | |
5089 | sizeof(buf1)), vni); | |
5090 | continue; | |
5091 | } | |
5092 | ||
5093 | /* check if the remote MAC is unknown or has a change. | |
5094 | * If so, that needs to be updated first. Note that client could | |
5095 | * install MAC and MACIP separately or just install the latter. | |
5096 | */ | |
d62a17ae | 5097 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
5098 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
5099 | != sticky | |
5100 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
5101 | update_mac = 1; | |
5102 | ||
5103 | if (update_mac) { | |
5104 | if (!mac) { | |
5105 | mac = zvni_mac_add(zvni, &macaddr); | |
5106 | if (!mac) { | |
5107 | zlog_warn( | |
2853fed6 | 5108 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5109 | prefix_mac2str(&macaddr, buf, |
5110 | sizeof(buf)), | |
5111 | vni, inet_ntoa(vtep_ip)); | |
5112 | return -1; | |
5113 | } | |
5114 | ||
5115 | /* Is this MAC created for a MACIP? */ | |
5116 | if (ipa_len) | |
5117 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 5118 | } |
5119 | ||
5120 | /* Set "auto" and "remote" forwarding info. */ | |
5121 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5122 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5123 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5124 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5125 | ||
5126 | if (sticky) | |
5127 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5128 | else | |
5129 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5130 | ||
2853fed6 | 5131 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 5132 | |
d62a17ae | 5133 | /* Install the entry. */ |
5134 | zvni_mac_install(zvni, mac); | |
5135 | } | |
5136 | ||
5137 | /* If there is no IP, continue - after clearing AUTO flag of | |
5138 | * MAC. */ | |
5139 | if (!ipa_len) { | |
5140 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5141 | continue; | |
5142 | } | |
5143 | ||
5144 | /* Check if the remote neighbor itself is unknown or has a | |
5145 | * change. | |
5146 | * If so, create or update and then install the entry. | |
5147 | */ | |
5148 | n = zvni_neigh_lookup(zvni, &ip); | |
5149 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5150 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
5151 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
5152 | update_neigh = 1; | |
5153 | ||
5154 | if (update_neigh) { | |
5155 | if (!n) { | |
b6938a74 | 5156 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 5157 | if (!n) { |
5158 | zlog_warn( | |
2853fed6 | 5159 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5160 | ipaddr2str(&ip, buf1, |
5161 | sizeof(buf1)), | |
5162 | prefix_mac2str(&macaddr, buf, | |
5163 | sizeof(buf)), | |
5164 | vni, inet_ntoa(vtep_ip)); | |
5165 | return -1; | |
5166 | } | |
5167 | ||
d62a17ae | 5168 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5169 | != 0) { | |
0a97666d MK |
5170 | /* MAC change, update neigh list for old and new |
5171 | * mac */ | |
d62a17ae | 5172 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5173 | if (old_mac) { |
5174 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5175 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5176 | } |
5177 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5178 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5179 | } |
5180 | ||
5181 | /* Set "remote" forwarding info. */ | |
5182 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5183 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5184 | n->r_vtep_ip = vtep_ip; |
5185 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5186 | ||
5187 | /* Install the entry. */ | |
5188 | zvni_neigh_install(zvni, n); | |
5189 | } | |
5190 | } | |
5191 | ||
ec93aa12 | 5192 | stream_failure: |
d62a17ae | 5193 | return 0; |
13d60d35 | 5194 | } |
5195 | ||
5196 | /* | |
2232a77c | 5197 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5198 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5199 | * of any prior local MAC. | |
13d60d35 | 5200 | */ |
d62a17ae | 5201 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5202 | struct interface *br_if, | |
5203 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5204 | { |
d62a17ae | 5205 | struct zebra_if *zif; |
d62a17ae | 5206 | struct zebra_l2info_vxlan *vxl; |
5207 | vni_t vni; | |
5208 | zebra_vni_t *zvni; | |
5209 | zebra_mac_t *mac; | |
5210 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5211 | |
d62a17ae | 5212 | zif = ifp->info; |
5213 | assert(zif); | |
5214 | vxl = &zif->l2info.vxl; | |
5215 | vni = vxl->vni; | |
13d60d35 | 5216 | |
2853fed6 | 5217 | /* Check if EVPN is enabled. */ |
5218 | if (!is_evpn_enabled()) | |
d62a17ae | 5219 | return 0; |
13d60d35 | 5220 | |
d62a17ae | 5221 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5222 | zvni = zvni_lookup(vni); |
d62a17ae | 5223 | if (!zvni) |
5224 | return 0; | |
13d60d35 | 5225 | |
d62a17ae | 5226 | /* If entry doesn't exist, nothing to do. */ |
5227 | mac = zvni_mac_lookup(zvni, macaddr); | |
5228 | if (!mac) | |
5229 | return 0; | |
13d60d35 | 5230 | |
d62a17ae | 5231 | /* Is it a local entry? */ |
5232 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5233 | return 0; | |
13d60d35 | 5234 | |
d62a17ae | 5235 | if (IS_ZEBRA_DEBUG_VXLAN) |
5236 | zlog_debug( | |
2853fed6 | 5237 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
5238 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
d62a17ae | 5239 | ifp->name, ifp->ifindex, vni); |
13d60d35 | 5240 | |
d62a17ae | 5241 | /* Remove MAC from BGP. */ |
ead40654 | 5242 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5243 | |
b6938a74 MK |
5244 | /* |
5245 | * If there are no neigh associated with the mac delete the mac | |
5246 | * else mark it as AUTO for forward reference | |
5247 | */ | |
5248 | if (!listcount(mac->neigh_list)) { | |
5249 | zvni_mac_del(zvni, mac); | |
5250 | } else { | |
5251 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5252 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5253 | } | |
13d60d35 | 5254 | |
d62a17ae | 5255 | return 0; |
13d60d35 | 5256 | } |
5257 | ||
5258 | /* | |
2232a77c | 5259 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5260 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5261 | * so the kernel can ageout the entry. | |
13d60d35 | 5262 | */ |
d62a17ae | 5263 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5264 | struct interface *br_if, | |
5265 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5266 | { |
d62a17ae | 5267 | struct zebra_if *zif; |
d62a17ae | 5268 | struct zebra_l2info_vxlan *vxl; |
5269 | vni_t vni; | |
5270 | zebra_vni_t *zvni; | |
5271 | zebra_mac_t *mac; | |
5272 | char buf[ETHER_ADDR_STRLEN]; | |
2232a77c | 5273 | |
d62a17ae | 5274 | zif = ifp->info; |
5275 | assert(zif); | |
5276 | vxl = &zif->l2info.vxl; | |
5277 | vni = vxl->vni; | |
2232a77c | 5278 | |
2853fed6 | 5279 | /* Check if EVPN is enabled. */ |
5280 | if (!is_evpn_enabled()) | |
d62a17ae | 5281 | return 0; |
2232a77c | 5282 | |
d62a17ae | 5283 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5284 | zvni = zvni_lookup(vni); |
d62a17ae | 5285 | if (!zvni) |
5286 | return 0; | |
13d60d35 | 5287 | |
d62a17ae | 5288 | /* If entry doesn't exist, nothing to do. */ |
5289 | mac = zvni_mac_lookup(zvni, macaddr); | |
5290 | if (!mac) | |
5291 | return 0; | |
2232a77c | 5292 | |
d62a17ae | 5293 | /* Is it a remote entry? */ |
5294 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5295 | return 0; | |
2232a77c | 5296 | |
d62a17ae | 5297 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5298 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5299 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5300 | ifp->ifindex, vni); | |
13d60d35 | 5301 | |
d62a17ae | 5302 | zvni_mac_install(zvni, mac); |
5303 | return 0; | |
13d60d35 | 5304 | } |
5305 | ||
5306 | /* | |
2232a77c | 5307 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5308 | */ |
d62a17ae | 5309 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5310 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5311 | { |
d62a17ae | 5312 | zebra_vni_t *zvni; |
5313 | zebra_mac_t *mac; | |
d62a17ae | 5314 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5315 | |
d62a17ae | 5316 | /* We are interested in MACs only on ports or (port, VLAN) that |
5317 | * map to a VNI. | |
5318 | */ | |
5319 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5320 | if (!zvni) | |
5321 | return 0; | |
5322 | if (!zvni->vxlan_if) { | |
5323 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5324 | zvni->vni, zvni); | |
5325 | return -1; | |
5326 | } | |
13d60d35 | 5327 | |
d62a17ae | 5328 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5329 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5330 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5331 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5332 | |
d62a17ae | 5333 | /* If entry doesn't exist, nothing to do. */ |
5334 | mac = zvni_mac_lookup(zvni, macaddr); | |
5335 | if (!mac) | |
5336 | return 0; | |
2232a77c | 5337 | |
d62a17ae | 5338 | /* Is it a local entry? */ |
5339 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5340 | return 0; | |
2232a77c | 5341 | |
d62a17ae | 5342 | /* Remove MAC from BGP. */ |
ead40654 | 5343 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
2232a77c | 5344 | |
b6938a74 | 5345 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5346 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5347 | |
5348 | /* | |
5349 | * If there are no neigh associated with the mac delete the mac | |
5350 | * else mark it as AUTO for forward reference | |
5351 | */ | |
5352 | if (!listcount(mac->neigh_list)) { | |
5353 | zvni_mac_del(zvni, mac); | |
5354 | } else { | |
5355 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5356 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5357 | } | |
2232a77c | 5358 | |
d62a17ae | 5359 | return 0; |
13d60d35 | 5360 | } |
5361 | ||
5362 | /* | |
2232a77c | 5363 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5364 | */ |
d62a17ae | 5365 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5366 | struct interface *br_if, | |
5367 | struct ethaddr *macaddr, vlanid_t vid, | |
5368 | u_char sticky) | |
5369 | { | |
5370 | zebra_vni_t *zvni; | |
5371 | zebra_mac_t *mac; | |
d62a17ae | 5372 | char buf[ETHER_ADDR_STRLEN]; |
5373 | int add = 1; | |
5374 | u_char mac_sticky; | |
5375 | ||
5376 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5377 | * map to a VNI. | |
5378 | */ | |
5379 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5380 | if (!zvni) { | |
5381 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5382 | zlog_debug( | |
2853fed6 | 5383 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5384 | sticky ? "sticky " : "", | |
d62a17ae | 5385 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5386 | ifp->name, ifp->ifindex, vid); | |
5387 | return 0; | |
5388 | } | |
5389 | ||
5390 | if (!zvni->vxlan_if) { | |
5391 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5392 | zvni->vni, zvni); | |
5393 | return -1; | |
5394 | } | |
5395 | ||
5396 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5397 | zlog_debug( | |
2853fed6 | 5398 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5399 | sticky ? "sticky " : "", | |
d62a17ae | 5400 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5401 | ifp->ifindex, vid, zvni->vni); | |
5402 | ||
5403 | /* If same entry already exists, nothing to do. */ | |
5404 | mac = zvni_mac_lookup(zvni, macaddr); | |
5405 | if (mac) { | |
5406 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5407 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5408 | ? 1 | |
5409 | : 0; | |
5410 | ||
b6938a74 | 5411 | |
b8ce75a5 MK |
5412 | /* |
5413 | * return if nothing has changed. | |
5414 | * inform bgp if sticky flag has changed | |
5415 | * update locally and do not inform bgp if local | |
5416 | * parameters like interface has changed | |
5417 | */ | |
d62a17ae | 5418 | if (mac_sticky == sticky |
5419 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5420 | && mac->fwd_info.local.vid == vid) { | |
5421 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5422 | zlog_debug( | |
2853fed6 | 5423 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5424 | "entry exists and has not changed ", |
d62a17ae | 5425 | sticky ? "sticky " : "", |
5426 | prefix_mac2str(macaddr, buf, | |
5427 | sizeof(buf)), | |
5428 | ifp->name, ifp->ifindex, vid, | |
5429 | zvni->vni); | |
5430 | return 0; | |
b6938a74 | 5431 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5432 | add = 1; |
b6938a74 | 5433 | } else { |
b8ce75a5 MK |
5434 | add = 0; /* This is an update of local |
5435 | interface. */ | |
b6938a74 | 5436 | } |
421bb26a MK |
5437 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5438 | /* | |
5439 | * If we have already learned the MAC as a remote sticky | |
5440 | * MAC, | |
5441 | * this is a operator error and we must log a warning | |
5442 | */ | |
8f4b98ee | 5443 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5444 | zlog_warn( |
5445 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5446 | prefix_mac2str(macaddr, buf, | |
5447 | sizeof(buf)), | |
5448 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5449 | zvni->vni); | |
8f4b98ee MK |
5450 | return 0; |
5451 | } | |
d62a17ae | 5452 | } |
5453 | } | |
5454 | ||
d62a17ae | 5455 | if (!mac) { |
5456 | mac = zvni_mac_add(zvni, macaddr); | |
5457 | if (!mac) { | |
2853fed6 | 5458 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
d62a17ae | 5459 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5460 | ifp->name, ifp->ifindex, vid); | |
5461 | return -1; | |
5462 | } | |
5463 | } | |
5464 | ||
5465 | /* Set "local" forwarding info. */ | |
5466 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5467 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5468 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5469 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5470 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5471 | mac->fwd_info.local.vid = vid; | |
5472 | ||
5473 | if (sticky) | |
5474 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5475 | else | |
5476 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5477 | ||
5478 | /* Inform BGP if required. */ | |
b6938a74 | 5479 | if (add) { |
2853fed6 | 5480 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5481 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
ead40654 | 5482 | mac->flags); |
b6938a74 | 5483 | } |
d62a17ae | 5484 | |
5485 | return 0; | |
2232a77c | 5486 | } |
13d60d35 | 5487 | |
5488 | /* | |
5489 | * Handle message from client to delete a remote VTEP for a VNI. | |
5490 | */ | |
e4bd522a | 5491 | int zebra_vxlan_remote_vtep_del(struct zserv *client, u_short length, |
d62a17ae | 5492 | struct zebra_vrf *zvrf) |
5493 | { | |
5494 | struct stream *s; | |
5495 | u_short l = 0; | |
5496 | vni_t vni; | |
5497 | struct in_addr vtep_ip; | |
5498 | zebra_vni_t *zvni; | |
5499 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5500 | struct interface *ifp; |
5501 | struct zebra_if *zif; | |
d62a17ae | 5502 | |
ec93aa12 DS |
5503 | if (!is_evpn_enabled()) { |
5504 | zlog_warn("%s: EVPN is not enabled yet we have received a vtep del command", | |
5505 | __PRETTY_FUNCTION__); | |
5506 | return -1; | |
5507 | } | |
5508 | ||
2853fed6 | 5509 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5510 | zlog_err("Recv MACIP DEL for non-default VRF %u", | |
5511 | zvrf_id(zvrf)); | |
5512 | return -1; | |
5513 | } | |
5514 | ||
d62a17ae | 5515 | s = client->ibuf; |
5516 | ||
5517 | while (l < length) { | |
5518 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5519 | STREAM_GETL(s, vni); |
d62a17ae | 5520 | l += 4; |
ec93aa12 | 5521 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5522 | l += IPV4_MAX_BYTELEN; |
5523 | ||
5524 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5525 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5526 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5527 | zebra_route_string(client->proto)); |
5528 | ||
5529 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5530 | zvni = zvni_lookup(vni); |
d62a17ae | 5531 | if (!zvni) { |
5532 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5533 | zlog_debug( | |
5534 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5535 | "VNI %u", |
5536 | vni); | |
d62a17ae | 5537 | continue; |
5538 | } | |
5539 | ||
b5ebdc9b | 5540 | ifp = zvni->vxlan_if; |
5541 | if (!ifp) { | |
60466a63 QY |
5542 | zlog_err( |
5543 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", | |
5544 | zvni->vni, zvni); | |
b682f6de | 5545 | continue; |
b5ebdc9b | 5546 | } |
5547 | zif = ifp->info; | |
5548 | ||
5549 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5550 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5551 | continue; |
5552 | ||
d62a17ae | 5553 | /* If the remote VTEP does not exist, there's nothing more to |
5554 | * do. | |
5555 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5556 | * and | |
5557 | * then, the VTEP entry itself and remove it. | |
5558 | */ | |
5559 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5560 | if (!zvtep) | |
5561 | continue; | |
5562 | ||
5563 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5564 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5565 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5566 | zvni_vtep_del(zvni, zvtep); | |
5567 | } | |
5568 | ||
ec93aa12 | 5569 | stream_failure: |
d62a17ae | 5570 | return 0; |
13d60d35 | 5571 | } |
5572 | ||
5573 | /* | |
5574 | * Handle message from client to add a remote VTEP for a VNI. | |
5575 | */ | |
e4bd522a | 5576 | int zebra_vxlan_remote_vtep_add(struct zserv *client, u_short length, |
d62a17ae | 5577 | struct zebra_vrf *zvrf) |
5578 | { | |
5579 | struct stream *s; | |
5580 | u_short l = 0; | |
5581 | vni_t vni; | |
5582 | struct in_addr vtep_ip; | |
5583 | zebra_vni_t *zvni; | |
b5ebdc9b | 5584 | struct interface *ifp; |
5585 | struct zebra_if *zif; | |
d62a17ae | 5586 | |
ec93aa12 DS |
5587 | if (!is_evpn_enabled()) { |
5588 | zlog_warn("%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5589 | __PRETTY_FUNCTION__); | |
5590 | return -1; | |
5591 | } | |
5592 | ||
2853fed6 | 5593 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5594 | zlog_err("Recv MACIP ADD for non-default VRF %u", | |
5595 | zvrf_id(zvrf)); | |
5596 | return -1; | |
5597 | } | |
d62a17ae | 5598 | |
5599 | s = client->ibuf; | |
5600 | ||
5601 | while (l < length) { | |
5602 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5603 | STREAM_GETL(s, vni); |
d62a17ae | 5604 | l += 4; |
ec93aa12 | 5605 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5606 | l += IPV4_MAX_BYTELEN; |
5607 | ||
5608 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5609 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5610 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5611 | zebra_route_string(client->proto)); |
5612 | ||
5613 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5614 | zvni = zvni_lookup(vni); |
d62a17ae | 5615 | if (!zvni) { |
5616 | zlog_err( | |
2853fed6 | 5617 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5618 | vni); | |
d62a17ae | 5619 | continue; |
5620 | } | |
b5ebdc9b | 5621 | |
5622 | ifp = zvni->vxlan_if; | |
5623 | if (!ifp) { | |
d62a17ae | 5624 | zlog_err( |
5625 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
5626 | zvni->vni, zvni); | |
5627 | continue; | |
5628 | } | |
5629 | ||
b5ebdc9b | 5630 | zif = ifp->info; |
d62a17ae | 5631 | |
b5ebdc9b | 5632 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5633 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5634 | continue; |
5635 | ||
b682f6de | 5636 | /* If the remote VTEP already exists, |
5637 | there's nothing more to do. */ | |
b5ebdc9b | 5638 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5639 | continue; |
5640 | ||
5641 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5642 | zlog_err( | |
2853fed6 | 5643 | "Failed to add remote VTEP, VNI %u zvni %p", |
5644 | vni, zvni); | |
d62a17ae | 5645 | continue; |
5646 | } | |
5647 | ||
5648 | zvni_vtep_install(zvni, &vtep_ip); | |
5649 | } | |
5650 | ||
ec93aa12 | 5651 | stream_failure: |
d62a17ae | 5652 | return 0; |
13d60d35 | 5653 | } |
5654 | ||
1a98c087 MK |
5655 | /* |
5656 | * Add/Del gateway macip to evpn | |
5657 | * g/w can be: | |
5658 | * 1. SVI interface on a vlan aware bridge | |
5659 | * 2. SVI interface on a vlan unaware bridge | |
5660 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5661 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5662 | */ | |
5663 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5664 | int add) | |
5665 | { | |
5666 | struct ipaddr ip; | |
5667 | struct ethaddr macaddr; | |
5668 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5669 | |
5670 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5671 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5672 | ||
2853fed6 | 5673 | /* Check if EVPN is enabled. */ |
5674 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5675 | return 0; |
5676 | ||
1a98c087 MK |
5677 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5678 | struct interface *svi_if = | |
5679 | NULL; /* SVI corresponding to the MACVLAN */ | |
5680 | struct zebra_if *ifp_zif = | |
5681 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5682 | struct zebra_if *svi_if_zif = | |
5683 | NULL; /* Zebra daemon specific info for SVI*/ | |
5684 | ||
5685 | ifp_zif = ifp->info; | |
5686 | if (!ifp_zif) | |
5687 | return -1; | |
5688 | ||
71349e03 MK |
5689 | /* |
5690 | * for a MACVLAN interface the link represents the svi_if | |
5691 | */ | |
5692 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5693 | ifp_zif->link_ifindex); | |
1a98c087 | 5694 | if (!svi_if) { |
2853fed6 | 5695 | zlog_err("MACVLAN %s(%u) without link information", |
5696 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5697 | return -1; |
5698 | } | |
5699 | ||
5700 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5701 | /* |
5702 | * If it is a vlan aware bridge then the link gives the | |
5703 | * bridge information | |
5704 | */ | |
5705 | struct interface *svi_if_link = NULL; | |
5706 | ||
1a98c087 | 5707 | svi_if_zif = svi_if->info; |
71349e03 MK |
5708 | if (svi_if_zif) { |
5709 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5710 | zebra_ns_lookup(NS_DEFAULT), |
5711 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5712 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5713 | } |
1a98c087 | 5714 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5715 | /* |
5716 | * If it is a vlan unaware bridge then svi is the bridge | |
5717 | * itself | |
5718 | */ | |
b7cfce93 | 5719 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5720 | } |
5721 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5722 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5723 | NULL; /* Zebra daemon specific info for SVI */ |
5724 | struct interface *svi_if_link = | |
5725 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5726 | |
5727 | svi_if_zif = ifp->info; | |
60466a63 QY |
5728 | svi_if_link = if_lookup_by_index_per_ns( |
5729 | zebra_ns_lookup(NS_DEFAULT), svi_if_zif->link_ifindex); | |
71349e03 | 5730 | if (svi_if_zif && svi_if_link) |
b7cfce93 | 5731 | zvni = zvni_from_svi(ifp, svi_if_link); |
1a98c087 | 5732 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5733 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5734 | } |
5735 | ||
5736 | if (!zvni) | |
5737 | return 0; | |
5738 | ||
5739 | if (!zvni->vxlan_if) { | |
5740 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
5741 | zvni->vni, zvni); | |
5742 | return -1; | |
5743 | } | |
5744 | ||
1a98c087 | 5745 | |
1a98c087 MK |
5746 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
5747 | ||
5748 | if (p->family == AF_INET) { | |
5749 | ip.ipa_type = IPADDR_V4; | |
5750 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5751 | sizeof(struct in_addr)); | |
5752 | } else if (p->family == AF_INET6) { | |
5753 | ip.ipa_type = IPADDR_V6; | |
5754 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5755 | sizeof(struct in6_addr)); | |
5756 | } | |
5757 | ||
5758 | ||
5759 | if (add) | |
5760 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5761 | else | |
5762 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5763 | ||
5764 | return 0; | |
5765 | } | |
5766 | ||
2232a77c | 5767 | /* |
b7cfce93 MK |
5768 | * Handle SVI interface going down. |
5769 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5770 | * For L2-VNI: At this point, this is a NOP since | |
5771 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5772 | * We only need to update the vrf corresponding to zvni. | |
5773 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5774 | * from bgp | |
2232a77c | 5775 | */ |
d62a17ae | 5776 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5777 | { |
b7cfce93 MK |
5778 | zebra_l3vni_t *zl3vni = NULL; |
5779 | ||
5780 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5781 | if (zl3vni) { | |
5782 | ||
5783 | /* process l3-vni down */ | |
5784 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5785 | ||
5786 | /* remove association with svi-if */ | |
5787 | zl3vni->svi_if = NULL; | |
5788 | } else { | |
5789 | zebra_vni_t *zvni = NULL; | |
5790 | ||
5791 | /* since we dont have svi corresponding to zvni, we associate it | |
5792 | * to default vrf. Note: the corresponding neigh entries on the | |
5793 | * SVI would have already been deleted */ | |
5794 | zvni = zvni_from_svi(ifp, link_if); | |
5795 | if (zvni) { | |
5796 | zvni->vrf_id = VRF_DEFAULT; | |
5797 | ||
5798 | /* update the tenant vrf in BGP */ | |
5799 | zvni_send_add_to_client(zvni); | |
5800 | } | |
5801 | } | |
d62a17ae | 5802 | return 0; |
2232a77c | 5803 | } |
5804 | ||
5805 | /* | |
b7cfce93 MK |
5806 | * Handle SVI interface coming up. |
5807 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
5808 | * vxlan intf). | |
5809 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
5810 | * apr-suppression) | |
5811 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 5812 | */ |
d62a17ae | 5813 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 5814 | { |
b7cfce93 MK |
5815 | zebra_vni_t *zvni = NULL; |
5816 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 5817 | |
b7cfce93 MK |
5818 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5819 | if (zl3vni) { | |
2232a77c | 5820 | |
b7cfce93 MK |
5821 | /* associate with svi */ |
5822 | zl3vni->svi_if = ifp; | |
2232a77c | 5823 | |
b7cfce93 MK |
5824 | /* process oper-up */ |
5825 | if (is_l3vni_oper_up(zl3vni)) | |
5826 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5827 | } else { | |
5828 | ||
5829 | /* process SVI up for l2-vni */ | |
5830 | struct neigh_walk_ctx n_wctx; | |
5831 | ||
5832 | zvni = zvni_from_svi(ifp, link_if); | |
5833 | if (!zvni) | |
5834 | return 0; | |
5835 | ||
5836 | if (!zvni->vxlan_if) { | |
5837 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
5838 | zvni->vni, zvni); | |
5839 | return -1; | |
5840 | } | |
5841 | ||
5842 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5843 | zlog_debug("SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
5844 | ifp->name, ifp->ifindex, zvni->vni, | |
5845 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 5846 | |
b7cfce93 MK |
5847 | /* update the vrf information for l2-vni and inform bgp */ |
5848 | zvni->vrf_id = ifp->vrf_id; | |
5849 | zvni_send_add_to_client(zvni); | |
5850 | ||
5851 | /* Install any remote neighbors for this VNI. */ | |
5852 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
5853 | n_wctx.zvni = zvni; | |
5854 | hash_iterate(zvni->neigh_table, | |
5855 | zvni_install_neigh_hash, | |
5856 | &n_wctx); | |
5857 | } | |
2232a77c | 5858 | |
d62a17ae | 5859 | return 0; |
2232a77c | 5860 | } |
5861 | ||
13d60d35 | 5862 | /* |
b7cfce93 | 5863 | * Handle VxLAN interface down |
13d60d35 | 5864 | */ |
d62a17ae | 5865 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 5866 | { |
d62a17ae | 5867 | vni_t vni; |
b7cfce93 MK |
5868 | struct zebra_if *zif = NULL; |
5869 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 5870 | |
2853fed6 | 5871 | /* Check if EVPN is enabled. */ |
5872 | if (!is_evpn_enabled()) | |
d62a17ae | 5873 | return 0; |
13d60d35 | 5874 | |
d62a17ae | 5875 | zif = ifp->info; |
5876 | assert(zif); | |
5877 | vxl = &zif->l2info.vxl; | |
5878 | vni = vxl->vni; | |
13d60d35 | 5879 | |
13d60d35 | 5880 | |
b7cfce93 MK |
5881 | if (is_vni_l3(vni)) { |
5882 | ||
5883 | /* process-if-down for l3-vni */ | |
5884 | zebra_l3vni_t *zl3vni = NULL; | |
5885 | ||
5886 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5887 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", | |
5888 | ifp->name, ifp->ifindex, vni); | |
5889 | ||
5890 | zl3vni = zl3vni_lookup(vni); | |
5891 | if (!zl3vni) { | |
5892 | zlog_err( | |
5893 | "Failed to locate L3-VNI hash at DOWN, IF %s(%u) VNI %u", | |
5894 | ifp->name, ifp->ifindex, vni); | |
5895 | return -1; | |
5896 | } | |
5897 | ||
5898 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5899 | ||
5900 | } else { | |
5901 | /* process if-down for l2-vni */ | |
5902 | zebra_vni_t *zvni; | |
5903 | ||
5904 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5905 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", | |
5906 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 5907 | |
b7cfce93 MK |
5908 | /* Locate hash entry; it is expected to exist. */ |
5909 | zvni = zvni_lookup(vni); | |
5910 | if (!zvni) { | |
5911 | zlog_err( | |
5912 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", | |
5913 | ifp->name, ifp->ifindex, vni); | |
5914 | return -1; | |
5915 | } | |
13d60d35 | 5916 | |
b7cfce93 | 5917 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 5918 | |
b7cfce93 MK |
5919 | /* Delete this VNI from BGP. */ |
5920 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 5921 | |
b7cfce93 MK |
5922 | /* Free up all neighbors and MACs, if any. */ |
5923 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
5924 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 5925 | |
b7cfce93 MK |
5926 | /* Free up all remote VTEPs, if any. */ |
5927 | zvni_vtep_del_all(zvni, 1); | |
5928 | } | |
d62a17ae | 5929 | return 0; |
13d60d35 | 5930 | } |
5931 | ||
5932 | /* | |
5933 | * Handle VxLAN interface up - update BGP if required. | |
5934 | */ | |
d62a17ae | 5935 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 5936 | { |
d62a17ae | 5937 | vni_t vni; |
b7cfce93 MK |
5938 | struct zebra_if *zif = NULL; |
5939 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 5940 | |
2853fed6 | 5941 | /* Check if EVPN is enabled. */ |
5942 | if (!is_evpn_enabled()) | |
d62a17ae | 5943 | return 0; |
13d60d35 | 5944 | |
d62a17ae | 5945 | zif = ifp->info; |
5946 | assert(zif); | |
5947 | vxl = &zif->l2info.vxl; | |
5948 | vni = vxl->vni; | |
13d60d35 | 5949 | |
b7cfce93 | 5950 | if (is_vni_l3(vni)) { |
13d60d35 | 5951 | |
b7cfce93 MK |
5952 | /* Handle L3-VNI add */ |
5953 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 5954 | |
b7cfce93 MK |
5955 | if (IS_ZEBRA_DEBUG_VXLAN) |
5956 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", | |
5957 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 5958 | |
b7cfce93 MK |
5959 | zl3vni = zl3vni_lookup(vni); |
5960 | if (!zl3vni) { | |
5961 | zlog_err( | |
5962 | "Failed to locate L3-VNI hash at UP, IF %s(%u) VNI %u", | |
5963 | ifp->name, ifp->ifindex, vni); | |
5964 | return -1; | |
5965 | } | |
5966 | ||
5967 | /* we need to associate with SVI, if any, we can associate with | |
523cafc4 | 5968 | * svi-if only after association with vxlan-intf is complete |
5969 | */ | |
b7cfce93 MK |
5970 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
5971 | ||
5972 | if (is_l3vni_oper_up(zl3vni)) | |
5973 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5974 | } else { | |
5975 | /* Handle L2-VNI add */ | |
5976 | ||
5977 | zebra_vni_t *zvni = NULL; | |
5978 | zebra_l3vni_t *zl3vni = NULL; | |
5979 | struct interface *vlan_if = NULL; | |
5980 | ||
5981 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5982 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", | |
5983 | ifp->name, ifp->ifindex, vni); | |
5984 | ||
5985 | /* Locate hash entry; it is expected to exist. */ | |
5986 | zvni = zvni_lookup(vni); | |
5987 | if (!zvni) { | |
5988 | zlog_err( | |
5989 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", | |
5990 | ifp->name, ifp->ifindex, vni); | |
5991 | return -1; | |
5992 | } | |
5993 | ||
5994 | assert(zvni->vxlan_if == ifp); | |
5995 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5996 | zif->brslave_info.br_if); | |
5997 | if (vlan_if) { | |
5998 | zvni->vrf_id = vlan_if->vrf_id; | |
5999 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6000 | if (zl3vni) | |
6001 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6002 | } | |
6003 | ||
6004 | /* If part of a bridge, inform BGP about this VNI. */ | |
6005 | /* Also, read and populate local MACs and neighbors. */ | |
6006 | if (zif->brslave_info.br_if) { | |
6007 | zvni_send_add_to_client(zvni); | |
6008 | zvni_read_mac_neigh(zvni, ifp); | |
6009 | } | |
d62a17ae | 6010 | } |
13d60d35 | 6011 | |
d62a17ae | 6012 | return 0; |
13d60d35 | 6013 | } |
6014 | ||
6015 | /* | |
6016 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6017 | * and update BGP, if required. | |
6018 | */ | |
d62a17ae | 6019 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6020 | { |
d62a17ae | 6021 | vni_t vni; |
b7cfce93 MK |
6022 | struct zebra_if *zif = NULL; |
6023 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 6024 | |
2853fed6 | 6025 | /* Check if EVPN is enabled. */ |
6026 | if (!is_evpn_enabled()) | |
d62a17ae | 6027 | return 0; |
13d60d35 | 6028 | |
d62a17ae | 6029 | zif = ifp->info; |
6030 | assert(zif); | |
6031 | vxl = &zif->l2info.vxl; | |
6032 | vni = vxl->vni; | |
13d60d35 | 6033 | |
b7cfce93 | 6034 | if (is_vni_l3(vni)) { |
13d60d35 | 6035 | |
b7cfce93 MK |
6036 | /* process if-del for l3-vni */ |
6037 | zebra_l3vni_t *zl3vni = NULL; | |
6038 | ||
6039 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6040 | zlog_debug("Del L3-VNI %u intf %s(%u)", | |
6041 | vni, ifp->name, ifp->ifindex); | |
13d60d35 | 6042 | |
b7cfce93 MK |
6043 | zl3vni = zl3vni_lookup(vni); |
6044 | if (!zl3vni) { | |
6045 | zlog_err( | |
6046 | "Failed to locate L3-VNI hash at del, IF %s(%u) VNI %u", | |
6047 | ifp->name, ifp->ifindex, vni); | |
6048 | return 0; | |
6049 | } | |
13d60d35 | 6050 | |
b7cfce93 MK |
6051 | /* process oper-down for l3-vni */ |
6052 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6053 | |
b7cfce93 | 6054 | /* remove the association with vxlan_if */ |
b67a60d2 | 6055 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6056 | zl3vni->vxlan_if = NULL; |
6057 | } else { | |
13d60d35 | 6058 | |
b7cfce93 MK |
6059 | /* process if-del for l2-vni*/ |
6060 | zebra_vni_t *zvni = NULL; | |
6061 | zebra_l3vni_t *zl3vni = NULL; | |
6062 | ||
6063 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6064 | zlog_debug("Del L2-VNI %u intf %s(%u)", | |
6065 | vni, ifp->name, ifp->ifindex); | |
6066 | ||
6067 | /* Locate hash entry; it is expected to exist. */ | |
6068 | zvni = zvni_lookup(vni); | |
6069 | if (!zvni) { | |
6070 | zlog_err( | |
6071 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", | |
6072 | ifp->name, ifp->ifindex, vni); | |
6073 | return 0; | |
6074 | } | |
6075 | ||
6076 | /* remove from l3-vni list */ | |
6077 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6078 | if (zl3vni) | |
6079 | listnode_delete(zl3vni->l2vnis, zvni); | |
6080 | ||
6081 | /* Delete VNI from BGP. */ | |
6082 | zvni_send_del_to_client(zvni->vni); | |
6083 | ||
6084 | /* Free up all neighbors and MAC, if any. */ | |
6085 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6086 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6087 | ||
6088 | /* Free up all remote VTEPs, if any. */ | |
6089 | zvni_vtep_del_all(zvni, 0); | |
6090 | ||
6091 | /* Delete the hash entry. */ | |
6092 | if (zvni_del(zvni)) { | |
6093 | zlog_err("Failed to del VNI hash %p, IF %s(%u) VNI %u", | |
6094 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
6095 | return -1; | |
6096 | } | |
d62a17ae | 6097 | } |
13d60d35 | 6098 | |
d62a17ae | 6099 | return 0; |
13d60d35 | 6100 | } |
6101 | ||
6102 | /* | |
6103 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6104 | */ | |
d62a17ae | 6105 | int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags) |
6106 | { | |
d62a17ae | 6107 | vni_t vni; |
b7cfce93 MK |
6108 | struct zebra_if *zif = NULL; |
6109 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 6110 | |
2853fed6 | 6111 | /* Check if EVPN is enabled. */ |
6112 | if (!is_evpn_enabled()) | |
d62a17ae | 6113 | return 0; |
6114 | ||
6115 | zif = ifp->info; | |
6116 | assert(zif); | |
6117 | vxl = &zif->l2info.vxl; | |
6118 | vni = vxl->vni; | |
6119 | ||
b7cfce93 MK |
6120 | if (is_vni_l3(vni)) { |
6121 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6122 | |
b7cfce93 MK |
6123 | zl3vni = zl3vni_lookup(vni); |
6124 | if (!zl3vni) { | |
6125 | zlog_err( | |
6126 | "Failed to find L3-VNI hash on update, IF %s(%u) VNI %u", | |
6127 | ifp->name, ifp->ifindex, vni); | |
6128 | return -1; | |
6129 | } | |
af026ae4 | 6130 | |
b7cfce93 MK |
6131 | if (IS_ZEBRA_DEBUG_VXLAN) |
6132 | zlog_debug( | |
6133 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
6134 | vni, ifp->name, ifp->ifindex, | |
6135 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6136 | zif->brslave_info.bridge_ifindex, chgflags); | |
6137 | ||
6138 | /* Removed from bridge? Cleanup and return */ | |
6139 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6140 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6141 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6142 | return 0; | |
6143 | } | |
6144 | ||
6145 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6146 | * svi_if and then process oper up again |
6147 | */ | |
b7cfce93 MK |
6148 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6149 | if (if_is_operative(ifp)) { | |
6150 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6151 | zl3vni->svi_if = NULL; | |
6152 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6153 | if (is_l3vni_oper_up(zl3vni)) | |
6154 | zebra_vxlan_process_l3vni_oper_up( | |
6155 | zl3vni); | |
6156 | } | |
6157 | } | |
d62a17ae | 6158 | |
b7cfce93 MK |
6159 | /* if we have a valid new master, process l3-vni oper up */ |
6160 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6161 | if (is_l3vni_oper_up(zl3vni)) | |
6162 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6163 | } | |
6164 | } else { | |
6165 | zebra_vni_t *zvni = NULL; | |
d62a17ae | 6166 | |
b7cfce93 MK |
6167 | /* Update VNI hash. */ |
6168 | zvni = zvni_lookup(vni); | |
6169 | if (!zvni) { | |
6170 | zlog_err( | |
6171 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", | |
6172 | ifp->name, ifp->ifindex, vni); | |
6173 | return -1; | |
6174 | } | |
d62a17ae | 6175 | |
b7cfce93 MK |
6176 | if (IS_ZEBRA_DEBUG_VXLAN) |
6177 | zlog_debug( | |
6178 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
6179 | vni, ifp->name, ifp->ifindex, | |
6180 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6181 | zif->brslave_info.bridge_ifindex, chgflags); | |
6182 | ||
6183 | /* Removed from bridge? Cleanup and return */ | |
6184 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6185 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6186 | /* Delete from client, remove all remote VTEPs */ | |
6187 | /* Also, free up all MACs and neighbors. */ | |
6188 | zvni_send_del_to_client(zvni->vni); | |
6189 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6190 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6191 | zvni_vtep_del_all(zvni, 1); | |
6192 | return 0; | |
6193 | } | |
d62a17ae | 6194 | |
b7cfce93 MK |
6195 | /* Handle other changes. */ |
6196 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6197 | /* Remove all existing local neigh and MACs for this VNI | |
6198 | * (including from BGP) | |
6199 | */ | |
6200 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6201 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6202 | } | |
d62a17ae | 6203 | |
b7cfce93 MK |
6204 | zvni->local_vtep_ip = vxl->vtep_ip; |
6205 | zvni->vxlan_if = ifp; | |
d62a17ae | 6206 | |
b7cfce93 MK |
6207 | /* Take further actions needed. |
6208 | * Note that if we are here, there is a change of interest. | |
6209 | */ | |
6210 | /* If down or not mapped to a bridge, we're done. */ | |
6211 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6212 | return 0; | |
d62a17ae | 6213 | |
b7cfce93 MK |
6214 | /* Inform BGP, if there is a change of interest. */ |
6215 | if (chgflags | |
6216 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6217 | zvni_send_add_to_client(zvni); | |
6218 | ||
6219 | /* If there is a valid new master or a VLAN mapping change, | |
6220 | * read and populate local MACs and neighbors. | |
6221 | * Also, reinstall any remote MACs and neighbors | |
6222 | * for this VNI (based on new VLAN). | |
6223 | */ | |
6224 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6225 | zvni_read_mac_neigh(zvni, ifp); | |
6226 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6227 | struct mac_walk_ctx m_wctx; | |
6228 | struct neigh_walk_ctx n_wctx; | |
6229 | ||
6230 | zvni_read_mac_neigh(zvni, ifp); | |
6231 | ||
6232 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6233 | m_wctx.zvni = zvni; | |
6234 | hash_iterate(zvni->mac_table, | |
6235 | zvni_install_mac_hash, | |
6236 | &m_wctx); | |
6237 | ||
6238 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6239 | n_wctx.zvni = zvni; | |
6240 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6241 | &n_wctx); | |
6242 | } | |
d62a17ae | 6243 | } |
6244 | ||
6245 | return 0; | |
13d60d35 | 6246 | } |
6247 | ||
6248 | /* | |
6249 | * Handle VxLAN interface add. | |
6250 | */ | |
d62a17ae | 6251 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6252 | { |
d62a17ae | 6253 | vni_t vni; |
b7cfce93 MK |
6254 | struct zebra_if *zif = NULL; |
6255 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 6256 | |
2853fed6 | 6257 | /* Check if EVPN is enabled. */ |
6258 | if (!is_evpn_enabled()) | |
d62a17ae | 6259 | return 0; |
13d60d35 | 6260 | |
d62a17ae | 6261 | zif = ifp->info; |
6262 | assert(zif); | |
6263 | vxl = &zif->l2info.vxl; | |
6264 | vni = vxl->vni; | |
13d60d35 | 6265 | |
b7cfce93 | 6266 | if (is_vni_l3(vni)) { |
13d60d35 | 6267 | |
b7cfce93 MK |
6268 | /* process if-add for l3-vni*/ |
6269 | zebra_l3vni_t *zl3vni = NULL; | |
6270 | ||
6271 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6272 | zlog_debug( | |
6273 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
6274 | vni, ifp->name, ifp->ifindex, | |
6275 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6276 | zif->brslave_info.bridge_ifindex); | |
6277 | ||
6278 | /* | |
6279 | * we expect the l3-vni has entry to be present here. | |
6280 | * The only place l3-vni is created in zebra is vrf-vni mapping | |
6281 | * command. This might change when we have the switchd support | |
6282 | * for l3-vxlan interface. | |
6283 | */ | |
6284 | zl3vni = zl3vni_lookup(vni); | |
6285 | if (!zl3vni) { | |
d62a17ae | 6286 | zlog_err( |
b7cfce93 | 6287 | "Failed to locate L3-VNI hash at del, IF %s(%u) VNI %u", |
2853fed6 | 6288 | ifp->name, ifp->ifindex, vni); |
b7cfce93 MK |
6289 | return 0; |
6290 | } | |
6291 | ||
6292 | /* associate with vxlan_if */ | |
b67a60d2 | 6293 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6294 | zl3vni->vxlan_if = ifp; |
6295 | ||
6296 | /* Associate with SVI, if any. We can associate with svi-if only | |
6297 | * after association with vxlan_if is complete */ | |
6298 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6299 | ||
6300 | if (is_l3vni_oper_up(zl3vni)) | |
6301 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6302 | } else { | |
6303 | ||
6304 | /* process if-add for l2-vni */ | |
6305 | zebra_vni_t *zvni = NULL; | |
6306 | zebra_l3vni_t *zl3vni = NULL; | |
6307 | struct interface *vlan_if = NULL; | |
6308 | ||
6309 | /* Create or update VNI hash. */ | |
6310 | zvni = zvni_lookup(vni); | |
6311 | if (!zvni) { | |
6312 | zvni = zvni_add(vni); | |
6313 | if (!zvni) { | |
6314 | zlog_err( | |
6315 | "Failed to add VNI hash, IF %s(%u) VNI %u", | |
6316 | ifp->name, ifp->ifindex, vni); | |
6317 | return -1; | |
6318 | } | |
6319 | } | |
6320 | ||
6321 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6322 | zvni->vxlan_if = ifp; | |
6323 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6324 | zif->brslave_info.br_if); | |
6325 | if (vlan_if) { | |
6326 | zvni->vrf_id = vlan_if->vrf_id; | |
6327 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6328 | if (zl3vni) | |
6329 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6330 | } | |
6331 | ||
6332 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6333 | zlog_debug( | |
6334 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6335 | vni, | |
6336 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) : | |
6337 | "Default", | |
6338 | ifp->name, ifp->ifindex, | |
6339 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6340 | zif->brslave_info.bridge_ifindex); | |
6341 | ||
6342 | /* If down or not mapped to a bridge, we're done. */ | |
6343 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6344 | return 0; | |
6345 | ||
6346 | /* Inform BGP */ | |
6347 | zvni_send_add_to_client(zvni); | |
6348 | ||
6349 | /* Read and populate local MACs and neighbors */ | |
6350 | zvni_read_mac_neigh(zvni, ifp); | |
6351 | } | |
6352 | ||
6353 | return 0; | |
6354 | } | |
6355 | ||
6356 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, | |
3f02fbab | 6357 | vni_t vni, |
6358 | char *err, int err_str_sz, | |
b7cfce93 MK |
6359 | int add) |
6360 | { | |
6361 | zebra_l3vni_t *zl3vni = NULL; | |
6362 | struct zebra_vrf *zvrf_default = NULL; | |
6363 | ||
6364 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6365 | if (!zvrf_default) | |
6366 | return -1; | |
6367 | ||
6368 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6369 | zlog_debug("vrf %s vni %u %s", | |
6370 | zvrf_name(zvrf), | |
6371 | vni, | |
6372 | add ? "ADD" : "DEL"); | |
6373 | ||
6374 | if (add) { | |
6375 | ||
6376 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6377 | ||
6378 | /* check if the vni is already present under zvrf */ | |
6379 | if (zvrf->l3vni) { | |
3f02fbab | 6380 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6381 | "VNI is already configured under the vrf"); |
6382 | return -1; | |
6383 | } | |
6384 | ||
6385 | /* check if this VNI is already present in the system */ | |
6386 | zl3vni = zl3vni_lookup(vni); | |
6387 | if (zl3vni) { | |
3f02fbab | 6388 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6389 | "VNI is already configured as L3-VNI"); |
6390 | return -1; | |
6391 | } | |
6392 | ||
6393 | /* add the L3-VNI to the global table */ | |
6394 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6395 | if (!zl3vni) { | |
3f02fbab | 6396 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6397 | "Could not add L3-VNI"); |
6398 | return -1; | |
6399 | } | |
6400 | ||
6401 | /* associate the vrf with vni */ | |
6402 | zvrf->l3vni = vni; | |
6403 | ||
6404 | /* associate with vxlan-intf; | |
523cafc4 | 6405 | * we need to associate with the vxlan-intf first |
6406 | */ | |
b7cfce93 MK |
6407 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6408 | ||
6409 | /* associate with corresponding SVI interface, we can associate | |
6410 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6411 | * complete |
6412 | */ | |
b7cfce93 MK |
6413 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6414 | ||
6415 | /* formulate l2vni list */ | |
6416 | hash_iterate(zvrf_default->vni_table, | |
6417 | zvni_add_to_l3vni_list, zl3vni); | |
6418 | ||
6419 | if (is_l3vni_oper_up(zl3vni)) | |
6420 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6421 | ||
6422 | } else { | |
6423 | zl3vni = zl3vni_lookup(vni); | |
6424 | if (!zl3vni) { | |
3f02fbab | 6425 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6426 | return -1; |
6427 | } | |
b7cfce93 MK |
6428 | |
6429 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6430 | ||
5e06422c MK |
6431 | /* delete and uninstall all rmacs */ |
6432 | hash_iterate(zl3vni->rmac_table, | |
6433 | zl3vni_del_rmac_hash_entry, | |
6434 | zl3vni); | |
6435 | ||
6436 | /* delete and uninstall all next-hops */ | |
6437 | hash_iterate(zl3vni->nh_table, | |
6438 | zl3vni_del_nh_hash_entry, | |
6439 | zl3vni); | |
6440 | ||
b7cfce93 MK |
6441 | zvrf->l3vni = 0; |
6442 | zl3vni_del(zl3vni); | |
6443 | ||
6444 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6445 | } |
b7cfce93 MK |
6446 | return 0; |
6447 | } | |
13d60d35 | 6448 | |
b7cfce93 MK |
6449 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) |
6450 | { | |
6451 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6452 | |
b7cfce93 MK |
6453 | zl3vni = zl3vni_from_vrf(zvrf_id(zvrf)); |
6454 | if (!zl3vni) | |
d62a17ae | 6455 | return 0; |
13d60d35 | 6456 | |
b7cfce93 MK |
6457 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6458 | zl3vni_del(zl3vni); | |
6459 | zebra_vxlan_handle_vni_transition(zvrf, zl3vni->vni, 0); | |
2232a77c | 6460 | |
d62a17ae | 6461 | return 0; |
13d60d35 | 6462 | } |
6463 | ||
1a98c087 MK |
6464 | /* |
6465 | * Handle message from client to enable/disable advertisement of g/w macip | |
6466 | * routes | |
6467 | */ | |
e4bd522a DS |
6468 | int zebra_vxlan_advertise_gw_macip(struct zserv *client, u_short length, |
6469 | struct zebra_vrf *zvrf) | |
1a98c087 MK |
6470 | { |
6471 | struct stream *s; | |
6472 | int advertise; | |
6473 | vni_t vni = 0; | |
6474 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6475 | struct interface *ifp = NULL; |
1a98c087 | 6476 | |
2853fed6 | 6477 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6478 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6479 | zvrf_id(zvrf)); | |
6480 | return -1; | |
6481 | } | |
6482 | ||
1a98c087 | 6483 | s = client->ibuf; |
ec93aa12 DS |
6484 | STREAM_GETC(s, advertise); |
6485 | STREAM_GET(&vni, s, 3); | |
1a98c087 MK |
6486 | |
6487 | if (!vni) { | |
6488 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6489 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6490 | advertise ? "enabled" : "disabled", |
2853fed6 | 6491 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6492 | ? "enabled" |
6493 | : "disabled"); | |
6494 | ||
6495 | if (zvrf->advertise_gw_macip == advertise) | |
6496 | return 0; | |
6497 | ||
6498 | zvrf->advertise_gw_macip = advertise; | |
6499 | ||
2853fed6 | 6500 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6501 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6502 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6503 | else |
6504 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6505 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6506 | |
6507 | } else { | |
6508 | struct zebra_if *zif = NULL; | |
6509 | struct zebra_l2info_vxlan zl2_info; | |
6510 | struct interface *vlan_if = NULL; | |
6511 | struct interface *vrr_if = NULL; | |
6512 | ||
6513 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6514 | zlog_debug( | |
2853fed6 | 6515 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6516 | advertise ? "enabled" : "disabled", vni, |
2853fed6 | 6517 | advertise_gw_macip_enabled(zvni) |
1a98c087 MK |
6518 | ? "enabled" |
6519 | : "disabled"); | |
6520 | ||
2853fed6 | 6521 | zvni = zvni_lookup(vni); |
1a98c087 MK |
6522 | if (!zvni) |
6523 | return 0; | |
6524 | ||
6525 | if (zvni->advertise_gw_macip == advertise) | |
6526 | return 0; | |
6527 | ||
6528 | zvni->advertise_gw_macip = advertise; | |
6529 | ||
b5ebdc9b | 6530 | ifp = zvni->vxlan_if; |
6531 | if (!ifp) | |
6532 | return 0; | |
6533 | ||
6534 | zif = ifp->info; | |
6535 | ||
6536 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6537 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 6538 | return 0; |
6539 | ||
1a98c087 MK |
6540 | zl2_info = zif->l2info.vxl; |
6541 | ||
2853fed6 | 6542 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6543 | zif->brslave_info.br_if); |
6544 | if (!vlan_if) | |
6545 | return 0; | |
6546 | ||
2853fed6 | 6547 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6548 | /* Add primary SVI MAC-IP */ |
6549 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6550 | ||
6551 | /* Add VRR MAC-IP - if any*/ | |
6552 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6553 | if (vrr_if) | |
6554 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6555 | } else { | |
6556 | /* Del primary MAC-IP */ | |
6557 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6558 | ||
6559 | /* Del VRR MAC-IP - if any*/ | |
6560 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6561 | if (vrr_if) | |
6562 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6563 | } | |
6564 | } | |
6565 | ||
ec93aa12 | 6566 | stream_failure: |
1a98c087 MK |
6567 | return 0; |
6568 | } | |
6569 | ||
6570 | ||
13d60d35 | 6571 | /* |
6572 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6573 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6574 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6575 | * uninstalled from the kernel. | |
6576 | */ | |
e4bd522a | 6577 | int zebra_vxlan_advertise_all_vni(struct zserv *client, |
d62a17ae | 6578 | u_short length, struct zebra_vrf *zvrf) |
13d60d35 | 6579 | { |
655b04d1 MK |
6580 | struct stream *s = NULL; |
6581 | int advertise = 0; | |
6582 | struct zebra_ns *zns = NULL; | |
13d60d35 | 6583 | |
2853fed6 | 6584 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6585 | zlog_err("EVPN VNI Adv for non-default VRF %u", | |
6586 | zvrf_id(zvrf)); | |
6587 | return -1; | |
6588 | } | |
6589 | ||
d62a17ae | 6590 | s = client->ibuf; |
ec93aa12 | 6591 | STREAM_GETC(s, advertise); |
13d60d35 | 6592 | |
d62a17ae | 6593 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6594 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6595 | advertise ? "enabled" : "disabled", |
2853fed6 | 6596 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6597 | |
d62a17ae | 6598 | if (zvrf->advertise_all_vni == advertise) |
6599 | return 0; | |
13d60d35 | 6600 | |
d62a17ae | 6601 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6602 | if (is_evpn_enabled()) { |
d62a17ae | 6603 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6604 | zvni_build_hash_table(); |
2232a77c | 6605 | |
1a98c087 MK |
6606 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6607 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6608 | NULL); |
1a98c087 | 6609 | |
d62a17ae | 6610 | /* Read the MAC FDB */ |
6611 | macfdb_read(zvrf->zns); | |
2232a77c | 6612 | |
d62a17ae | 6613 | /* Read neighbors */ |
6614 | neigh_read(zvrf->zns); | |
6615 | } else { | |
6616 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6617 | * kernel and free entries. | |
6618 | */ | |
6619 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
6620 | |
6621 | /* cleanup all l3vnis */ | |
6622 | zns = zebra_ns_lookup(NS_DEFAULT); | |
6623 | if (!zns) | |
6624 | return -1; | |
6625 | ||
6626 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 6627 | } |
13d60d35 | 6628 | |
ec93aa12 | 6629 | stream_failure: |
d62a17ae | 6630 | return 0; |
13d60d35 | 6631 | } |
6632 | ||
6633 | /* | |
6634 | * Allocate VNI hash table for this VRF and do other initialization. | |
6635 | * NOTE: Currently supported only for default VRF. | |
6636 | */ | |
d62a17ae | 6637 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6638 | { |
d62a17ae | 6639 | if (!zvrf) |
6640 | return; | |
6641 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6642 | "Zebra VRF VNI Table"); | |
13d60d35 | 6643 | } |
6644 | ||
6645 | /* Close all VNI handling */ | |
d62a17ae | 6646 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6647 | { |
2853fed6 | 6648 | if (!zvrf) |
6649 | return; | |
d62a17ae | 6650 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6651 | hash_free(zvrf->vni_table); |
13d60d35 | 6652 | } |
b7cfce93 MK |
6653 | |
6654 | /* init the l3vni table */ | |
6655 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6656 | { | |
6657 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6658 | "Zebra VRF L3 VNI table"); | |
6659 | } | |
6660 | ||
6661 | /* free l3vni table */ | |
6662 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6663 | { | |
6664 | hash_free(zns->l3vni_table); | |
6665 | } | |
d3135ba3 | 6666 | |
6667 | /* get the l3vni svi ifindex */ | |
6668 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6669 | { | |
6670 | zebra_l3vni_t *zl3vni = NULL; | |
6671 | ||
6672 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6673 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6674 | return 0; | |
6675 | ||
6676 | return zl3vni->svi_if->ifindex; | |
6677 | } |