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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); |
9aa741ea MK |
66 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty); |
67 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty); | |
d62a17ae | 68 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
69 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
70 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
71 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
72 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 73 | |
2853fed6 | 74 | static int zvni_macip_send_msg_to_client(vni_t vni, |
d62a17ae | 75 | struct ethaddr *macaddr, |
1a98c087 | 76 | struct ipaddr *ip, u_char flags, |
d62a17ae | 77 | u_int16_t cmd); |
78 | static unsigned int neigh_hash_keymake(void *p); | |
79 | static int neigh_cmp(const void *p1, const void *p2); | |
80 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
81 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
82 | struct ethaddr *mac); | |
d62a17ae | 83 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
84 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg); | |
85 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
86 | struct in_addr *r_vtep_ip); | |
2853fed6 | 87 | static void zvni_neigh_del_all(zebra_vni_t *zvni, |
d62a17ae | 88 | int uninstall, int upd_client, u_int32_t flags); |
89 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); | |
2853fed6 | 90 | static int zvni_neigh_send_add_to_client(vni_t vni, |
d62a17ae | 91 | struct ipaddr *ip, |
1a98c087 | 92 | struct ethaddr *macaddr, u_char flags); |
2853fed6 | 93 | static int zvni_neigh_send_del_to_client(vni_t vni, |
d62a17ae | 94 | struct ipaddr *ip, |
1a98c087 | 95 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 96 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
97 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 98 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
d62a17ae | 99 | struct interface *br_if); |
2853fed6 | 100 | static struct interface *zvni_map_to_svi(vlanid_t vid, |
d62a17ae | 101 | struct interface *br_if); |
102 | ||
b7cfce93 | 103 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 104 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
105 | struct ipaddr *ip); |
106 | static void *zl3vni_nh_alloc(void *p); | |
107 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
108 | struct ipaddr *vtep_ip, | |
109 | struct ethaddr *rmac); | |
110 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
111 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 112 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
113 | |
114 | /* l3-vni rmac related APIs */ | |
115 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
116 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *, void *); | |
2dbad57f | 117 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
118 | struct ethaddr *rmac); |
119 | static void *zl3vni_rmac_alloc(void *p); | |
120 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
121 | struct ethaddr *rmac); | |
122 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
123 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
124 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, | |
2dbad57f | 125 | zebra_mac_t *zrmac); |
b7cfce93 MK |
126 | |
127 | /* l3-vni related APIs*/ | |
128 | static int is_vni_l3(vni_t); | |
129 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); | |
130 | static void *zl3vni_alloc(void *p); | |
131 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
132 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
133 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
134 | static vni_t zvni_get_l3vni(zebra_vni_t *zvni); | |
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); | |
137 | static void zvni_get_rmac(zebra_vni_t *zvni, struct ethaddr *rmac); | |
138 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); | |
139 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
140 | ||
d62a17ae | 141 | static unsigned int mac_hash_keymake(void *p); |
142 | static int mac_cmp(const void *p1, const void *p2); | |
143 | static void *zvni_mac_alloc(void *p); | |
144 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
145 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
146 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg); | |
147 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
148 | struct in_addr *r_vtep_ip); | |
2853fed6 | 149 | static void zvni_mac_del_all(zebra_vni_t *zvni, |
d62a17ae | 150 | int uninstall, int upd_client, u_int32_t flags); |
151 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
2853fed6 | 152 | static int zvni_mac_send_add_to_client(vni_t vni, |
1a98c087 | 153 | struct ethaddr *macaddr, u_char flags); |
2853fed6 | 154 | static int zvni_mac_send_del_to_client(vni_t vni, |
1a98c087 | 155 | struct ethaddr *macaddr, u_char flags); |
d62a17ae | 156 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
157 | struct interface *br_if, vlanid_t vid); | |
158 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
159 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
160 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
161 | ||
162 | static unsigned int vni_hash_keymake(void *p); | |
163 | static int vni_hash_cmp(const void *p1, const void *p2); | |
164 | static void *zvni_alloc(void *p); | |
2853fed6 | 165 | static zebra_vni_t *zvni_lookup(vni_t vni); |
166 | static zebra_vni_t *zvni_add(vni_t vni); | |
167 | static int zvni_del(zebra_vni_t *zvni); | |
168 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
169 | static int zvni_send_del_to_client(vni_t vni); | |
170 | static void zvni_build_hash_table(); | |
d62a17ae | 171 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
172 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
173 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
174 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
175 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
176 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
177 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
178 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
179 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
180 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
181 | struct ethaddr *macaddr, struct ipaddr *ip); | |
182 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
183 | struct ipaddr *ip); | |
184 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 185 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
186 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
187 | int uninstall); | |
13d60d35 | 188 | |
189 | /* Private functions */ | |
190 | ||
790f8dc5 | 191 | /* |
192 | * Return number of valid MACs in a VNI's MAC hash table - all | |
193 | * remote MACs and non-internal (auto) local MACs count. | |
194 | */ | |
195 | static u_int32_t num_valid_macs(zebra_vni_t *zvni) | |
196 | { | |
197 | unsigned int i; | |
198 | u_int32_t num_macs = 0; | |
199 | struct hash *hash; | |
200 | struct hash_backet *hb; | |
201 | zebra_mac_t *mac; | |
202 | ||
203 | hash = zvni->mac_table; | |
204 | if (!hash) | |
205 | return num_macs; | |
206 | for (i = 0; i < hash->size; i++) { | |
207 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
208 | mac = (zebra_mac_t *)hb->data; | |
209 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
210 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
211 | num_macs++; | |
212 | } | |
213 | } | |
214 | ||
215 | return num_macs; | |
216 | } | |
217 | ||
2853fed6 | 218 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 219 | { |
2853fed6 | 220 | struct zebra_vrf *zvrf; |
221 | ||
222 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
223 | if (zvrf && zvrf->advertise_gw_macip) |
224 | return 1; | |
225 | ||
226 | if (zvni && zvni->advertise_gw_macip) | |
227 | return 1; | |
228 | ||
229 | return 0; | |
230 | } | |
231 | ||
cec2e17d | 232 | /* |
233 | * Helper function to determine maximum width of neighbor IP address for | |
234 | * display - just because we're dealing with IPv6 addresses that can | |
235 | * widely vary. | |
236 | */ | |
d62a17ae | 237 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 238 | { |
d62a17ae | 239 | zebra_neigh_t *n; |
240 | char buf[INET6_ADDRSTRLEN]; | |
241 | struct neigh_walk_ctx *wctx = ctxt; | |
242 | int width; | |
cec2e17d | 243 | |
d62a17ae | 244 | n = (zebra_neigh_t *)backet->data; |
245 | if (!n) | |
246 | return; | |
cec2e17d | 247 | |
d62a17ae | 248 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
249 | if (width > wctx->addr_width) | |
250 | wctx->addr_width = width; | |
cec2e17d | 251 | } |
252 | ||
253 | /* | |
254 | * Print a specific neighbor entry. | |
255 | */ | |
cd233079 | 256 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 257 | { |
d62a17ae | 258 | struct vty *vty; |
259 | char buf1[ETHER_ADDR_STRLEN]; | |
260 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 261 | |
cd233079 CS |
262 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
263 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
264 | vty = (struct vty *)ctxt; | |
265 | if (json == NULL) { | |
266 | vty_out(vty, "IP: %s\n", | |
267 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
268 | vty_out(vty, " MAC: %s", | |
269 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
270 | } else { | |
271 | json_object_string_add(json, "ip", buf2); | |
272 | json_object_string_add(json, "mac", buf1); | |
273 | } | |
274 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 275 | if (json == NULL) { |
cd233079 CS |
276 | vty_out(vty, " Remote VTEP: %s", |
277 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 278 | } else |
cd233079 CS |
279 | json_object_string_add(json, "remoteVtep", |
280 | inet_ntoa(n->r_vtep_ip)); | |
281 | } | |
f51d8a27 MK |
282 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
283 | if (!json) { | |
284 | vty_out(vty, "\n"); | |
285 | vty_out(vty, " State: %s", | |
286 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
287 | : "Inactive"); | |
288 | } | |
289 | } | |
cd233079 CS |
290 | if (json == NULL) |
291 | vty_out(vty, "\n"); | |
cec2e17d | 292 | } |
293 | ||
294 | /* | |
295 | * Print neighbor hash entry - called for display of all neighbors. | |
296 | */ | |
d62a17ae | 297 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
298 | { | |
299 | struct vty *vty; | |
cd233079 | 300 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 301 | zebra_neigh_t *n; |
302 | char buf1[ETHER_ADDR_STRLEN]; | |
303 | char buf2[INET6_ADDRSTRLEN]; | |
304 | struct neigh_walk_ctx *wctx = ctxt; | |
305 | ||
306 | vty = wctx->vty; | |
cd233079 | 307 | json_vni = wctx->json; |
d62a17ae | 308 | n = (zebra_neigh_t *)backet->data; |
309 | if (!n) | |
310 | return; | |
311 | ||
cd233079 CS |
312 | if (json_vni) |
313 | json_row = json_object_new_object(); | |
314 | ||
d62a17ae | 315 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
316 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
317 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
318 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
319 | if (json_vni == NULL) { |
320 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
321 | buf2, "local", buf1); | |
322 | } else { | |
323 | json_object_string_add(json_row, "type", "local"); | |
324 | json_object_string_add(json_row, "mac", buf1); | |
325 | } | |
d62a17ae | 326 | wctx->count++; |
327 | } else { | |
328 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
329 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
330 | if (json_vni == NULL) { |
331 | if (wctx->count == 0) | |
332 | vty_out(vty, | |
333 | "%*s %-6s %-17s %-21s\n", | |
334 | -wctx->addr_width, | |
335 | "Neighbor", "Type", | |
336 | "MAC", "Remote VTEP"); | |
d62a17ae | 337 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
338 | -wctx->addr_width, buf2, |
339 | "remote", buf1, | |
340 | inet_ntoa(n->r_vtep_ip)); | |
341 | } else { | |
342 | json_object_string_add(json_row, "type", | |
343 | "remote"); | |
344 | json_object_string_add(json_row, "mac", | |
345 | buf1); | |
346 | json_object_string_add( | |
347 | json_row, "remoteVtep", | |
348 | inet_ntoa(n->r_vtep_ip)); | |
349 | } | |
350 | wctx->count++; | |
351 | } | |
352 | } else { | |
353 | if (json_vni == NULL) { | |
d62a17ae | 354 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
355 | -wctx->addr_width, buf2, "remote", buf1, | |
356 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
357 | } else { |
358 | json_object_string_add(json_row, "type", | |
359 | "remote"); | |
360 | json_object_string_add(json_row, "mac", buf1); | |
361 | json_object_string_add(json_row, "remoteVtep", | |
362 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 363 | } |
d62a17ae | 364 | wctx->count++; |
365 | } | |
366 | } | |
cd233079 CS |
367 | |
368 | if (json_vni) | |
369 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 370 | } |
371 | ||
372 | /* | |
373 | * Print neighbors for all VNI. | |
374 | */ | |
d62a17ae | 375 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 376 | void **args) |
cec2e17d | 377 | { |
d62a17ae | 378 | struct vty *vty; |
cd233079 | 379 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 380 | zebra_vni_t *zvni; |
381 | u_int32_t num_neigh; | |
382 | struct neigh_walk_ctx wctx; | |
cd233079 CS |
383 | char vni_str[VNI_STR_LEN]; |
384 | ||
385 | vty = (struct vty *)args[0]; | |
386 | json = (json_object *)args[1]; | |
cec2e17d | 387 | |
d62a17ae | 388 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
389 | if (!zvni) { |
390 | if (json) | |
391 | vty_out(vty, "{}\n"); | |
d62a17ae | 392 | return; |
cd233079 | 393 | } |
d62a17ae | 394 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 CS |
395 | if (json == NULL) |
396 | vty_out(vty, | |
397 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
398 | zvni->vni, num_neigh); | |
399 | else { | |
400 | json_vni = json_object_new_object(); | |
401 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
402 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
403 | } | |
404 | if (!num_neigh) { | |
405 | if (json) | |
406 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 407 | return; |
cd233079 | 408 | } |
cec2e17d | 409 | |
d62a17ae | 410 | /* Since we have IPv6 addresses to deal with which can vary widely in |
411 | * size, we try to be a bit more elegant in display by first computing | |
412 | * the maximum width. | |
413 | */ | |
414 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
415 | wctx.zvni = zvni; | |
416 | wctx.vty = vty; | |
417 | wctx.addr_width = 15; | |
cd233079 | 418 | wctx.json = json_vni; |
d62a17ae | 419 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 420 | |
cd233079 CS |
421 | if (json == NULL) |
422 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
423 | "Type", "MAC", "Remote VTEP"); | |
d62a17ae | 424 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
425 | |
426 | if (json) | |
427 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 428 | } |
429 | ||
9aa741ea MK |
430 | /* print a specific next hop for an l3vni */ |
431 | static void zl3vni_print_nh(zebra_neigh_t *n, | |
432 | struct vty *vty) | |
433 | { | |
434 | char buf1[ETHER_ADDR_STRLEN]; | |
435 | char buf2[INET6_ADDRSTRLEN]; | |
436 | struct listnode *node = NULL; | |
437 | struct prefix *p = NULL; | |
438 | ||
439 | vty_out(vty, "Ip: %s\n", | |
440 | ipaddr2str(&n->ip, buf1, sizeof(buf1))); | |
441 | vty_out(vty, " RMAC: %s\n", | |
442 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
443 | vty_out(vty, " Host-List:\n"); | |
444 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) | |
445 | vty_out(vty, " %s\n", | |
446 | prefix2str(p, buf2, sizeof(buf2))); | |
447 | } | |
448 | ||
449 | /* Print a specific RMAC entry */ | |
450 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, | |
451 | struct vty *vty) | |
452 | { | |
453 | char buf1[ETHER_ADDR_STRLEN]; | |
454 | char buf2[PREFIX_STRLEN]; | |
455 | struct listnode *node = NULL; | |
456 | struct prefix *p = NULL; | |
457 | ||
458 | vty_out(vty, "MAC: %s\n", | |
459 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
460 | vty_out(vty, " Remote VTEP: %s\n", | |
461 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
462 | vty_out(vty, " Host-List:\n"); | |
463 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) | |
464 | vty_out(vty, " %s\n", | |
465 | prefix2str(p, buf2, sizeof(buf2))); | |
466 | } | |
467 | ||
cec2e17d | 468 | /* |
469 | * Print a specific MAC entry. | |
470 | */ | |
d62a17ae | 471 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
472 | { | |
473 | struct vty *vty; | |
b6938a74 MK |
474 | zebra_neigh_t *n = NULL; |
475 | struct listnode *node = NULL; | |
d62a17ae | 476 | char buf1[20]; |
b6938a74 | 477 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 478 | |
479 | vty = (struct vty *)ctxt; | |
480 | vty_out(vty, "MAC: %s", | |
481 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
482 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
483 | struct zebra_ns *zns; | |
484 | struct interface *ifp; | |
485 | ifindex_t ifindex; | |
486 | ||
487 | ifindex = mac->fwd_info.local.ifindex; | |
488 | zns = zebra_ns_lookup(NS_DEFAULT); | |
489 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
490 | if (!ifp) // unexpected | |
491 | return; | |
492 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
493 | if (mac->fwd_info.local.vid) | |
494 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 495 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 496 | vty_out(vty, " Remote VTEP: %s", |
497 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
498 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
499 | vty_out(vty, " Auto Mac "); | |
500 | } | |
b6938a74 | 501 | |
0a97666d | 502 | vty_out(vty, "\n"); |
b6938a74 MK |
503 | /* print all the associated neigh */ |
504 | vty_out(vty, " Neighbors:\n"); | |
505 | if (!listcount(mac->neigh_list)) | |
506 | vty_out(vty, " No Neighbors\n"); | |
507 | else { | |
508 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
509 | vty_out(vty, " %s %s\n", | |
510 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
511 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
512 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
513 | ? "Active" | |
514 | : "Inactive") | |
515 | : ""); | |
516 | } | |
d62a17ae | 517 | } |
b6938a74 | 518 | |
d62a17ae | 519 | vty_out(vty, "\n"); |
cec2e17d | 520 | } |
521 | ||
522 | /* | |
523 | * Print MAC hash entry - called for display of all MACs. | |
524 | */ | |
d62a17ae | 525 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
526 | { | |
527 | struct vty *vty; | |
cd233079 | 528 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 529 | zebra_mac_t *mac; |
530 | char buf1[20]; | |
531 | struct mac_walk_ctx *wctx = ctxt; | |
532 | ||
533 | vty = wctx->vty; | |
cd233079 | 534 | json_mac_hdr = wctx->json; |
d62a17ae | 535 | mac = (zebra_mac_t *)backet->data; |
536 | if (!mac) | |
537 | return; | |
538 | ||
539 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
540 | |
541 | if (json_mac_hdr) | |
542 | json_mac = json_object_new_object(); | |
543 | ||
d62a17ae | 544 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
545 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
546 | struct zebra_ns *zns; | |
547 | ifindex_t ifindex; | |
548 | struct interface *ifp; | |
549 | vlanid_t vid; | |
550 | ||
551 | zns = zebra_ns_lookup(NS_DEFAULT); | |
552 | ifindex = mac->fwd_info.local.ifindex; | |
553 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
554 | if (!ifp) // unexpected | |
555 | return; | |
556 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
557 | if (json_mac_hdr == NULL) |
558 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
559 | ifp->name); | |
560 | else { | |
561 | json_object_string_add(json_mac, "type", "local"); | |
562 | json_object_string_add(json_mac, "intf", ifp->name); | |
563 | } | |
564 | if (vid) { | |
565 | if (json_mac_hdr == NULL) | |
566 | vty_out(vty, " %-5u", vid); | |
567 | else | |
568 | json_object_int_add(json_mac, "vlan", vid); | |
569 | } | |
570 | if (json_mac_hdr == NULL) | |
571 | vty_out(vty, "\n"); | |
572 | else | |
573 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 574 | wctx->count++; |
b6938a74 | 575 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 576 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
577 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
578 | &wctx->r_vtep_ip)) { | |
579 | if (wctx->count == 0) { | |
cd233079 CS |
580 | if (json_mac_hdr == NULL) { |
581 | vty_out(vty, "\nVNI %u\n\n", | |
582 | wctx->zvni->vni); | |
583 | vty_out(vty, | |
584 | "%-17s %-6s %-21s %-5s\n", | |
585 | "MAC", "Type", | |
586 | "Intf/Remote VTEP", | |
587 | "VLAN"); | |
588 | } | |
589 | } | |
590 | if (json_mac_hdr == NULL) | |
591 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
592 | "remote", | |
593 | inet_ntoa(mac->fwd_info | |
594 | .r_vtep_ip)); | |
595 | else { | |
596 | json_object_string_add(json_mac, "type", | |
597 | "remote"); | |
598 | json_object_string_add( | |
599 | json_mac, "remoteVtep", | |
600 | inet_ntoa(mac->fwd_info | |
601 | .r_vtep_ip)); | |
602 | json_object_object_add(json_mac_hdr, | |
603 | buf1, json_mac); | |
d62a17ae | 604 | } |
d62a17ae | 605 | wctx->count++; |
606 | } | |
607 | } else { | |
cd233079 CS |
608 | if (json_mac_hdr == NULL) |
609 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
610 | "remote", | |
611 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
612 | else { | |
613 | json_object_string_add(json_mac, "type", | |
614 | "remote"); | |
615 | json_object_string_add( | |
616 | json_mac, "remoteVtep", | |
617 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
618 | json_object_object_add(json_mac_hdr, buf1, | |
619 | json_mac); | |
620 | } | |
d62a17ae | 621 | wctx->count++; |
622 | } | |
623 | } | |
cec2e17d | 624 | } |
625 | ||
626 | /* | |
627 | * Print MACs for all VNI. | |
628 | */ | |
d62a17ae | 629 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 630 | { |
d62a17ae | 631 | struct vty *vty; |
cd233079 CS |
632 | json_object *json = NULL, *json_vni = NULL; |
633 | json_object *json_mac = NULL; | |
d62a17ae | 634 | zebra_vni_t *zvni; |
635 | u_int32_t num_macs; | |
636 | struct mac_walk_ctx *wctx = ctxt; | |
cd233079 | 637 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 638 | |
d62a17ae | 639 | vty = (struct vty *)wctx->vty; |
cd233079 | 640 | json = (struct json_object *)wctx->json; |
cec2e17d | 641 | |
d62a17ae | 642 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
643 | if (!zvni) { |
644 | if (json) | |
645 | vty_out(vty, "{}\n"); | |
d62a17ae | 646 | return; |
cd233079 | 647 | } |
d62a17ae | 648 | wctx->zvni = zvni; |
cec2e17d | 649 | |
d62a17ae | 650 | /*We are iterating over a new VNI, set the count to 0*/ |
651 | wctx->count = 0; | |
cec2e17d | 652 | |
790f8dc5 | 653 | num_macs = num_valid_macs(zvni); |
d62a17ae | 654 | if (!num_macs) |
655 | return; | |
cd233079 CS |
656 | |
657 | if (json) { | |
658 | json_vni = json_object_new_object(); | |
659 | json_mac = json_object_new_object(); | |
660 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 661 | } |
cec2e17d | 662 | |
cd233079 CS |
663 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
664 | if (json == NULL) { | |
665 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
666 | zvni->vni, num_macs); | |
667 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
668 | "Intf/Remote VTEP", "VLAN"); | |
669 | } else | |
670 | json_object_int_add(json_vni, "numMacs", num_macs); | |
671 | } | |
672 | /* assign per-vni to wctx->json object to fill macs | |
673 | * under the vni. Re-assign primary json object to fill | |
674 | * next vni information. | |
675 | */ | |
676 | wctx->json = json_mac; | |
d62a17ae | 677 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
678 | wctx->json = json; |
679 | if (json) { | |
680 | if (wctx->count) | |
681 | json_object_object_add(json_vni, "macs", json_mac); | |
682 | json_object_object_add(json, vni_str, json_vni); | |
683 | } | |
cec2e17d | 684 | } |
685 | ||
b7cfce93 MK |
686 | static void zl3vni_print_nh_hash(struct hash_backet *backet, |
687 | void *ctx) | |
688 | { | |
689 | struct nh_walk_ctx *wctx = NULL; | |
690 | struct vty *vty = NULL; | |
32798965 | 691 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
692 | struct json_object *json_nh = NULL; |
693 | zebra_neigh_t *n = NULL; | |
694 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 695 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
696 | |
697 | wctx = (struct nh_walk_ctx *)ctx; | |
698 | vty = wctx->vty; | |
32798965 MK |
699 | json_vni = wctx->json; |
700 | if (json_vni) | |
b7cfce93 MK |
701 | json_nh = json_object_new_object(); |
702 | n = (zebra_neigh_t *)backet->data; | |
703 | if (!n) | |
704 | return; | |
705 | ||
32798965 | 706 | if (!json_vni) { |
2dbad57f | 707 | vty_out(vty, "%-15s %-17s %6d\n", |
708 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
b7cfce93 | 709 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
6134fd82 | 710 | listcount(n->host_list)); |
b7cfce93 | 711 | } else { |
32798965 MK |
712 | json_object_string_add(json_nh, "nexthop-ip", |
713 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
b7cfce93 MK |
714 | json_object_string_add(json_nh, "rmac", |
715 | prefix_mac2str(&n->emac, buf1, | |
716 | sizeof(buf1))); | |
6134fd82 | 717 | json_object_int_add(json_nh, "refCnt", listcount(n->host_list)); |
32798965 MK |
718 | json_object_object_add(json_vni, |
719 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
720 | json_nh); | |
b7cfce93 MK |
721 | } |
722 | } | |
723 | ||
2dbad57f | 724 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 725 | void **args) |
2dbad57f | 726 | { |
727 | struct vty *vty = NULL; | |
728 | json_object *json = NULL; | |
729 | json_object *json_vni = NULL; | |
2dbad57f | 730 | zebra_l3vni_t *zl3vni = NULL; |
731 | uint32_t num_nh = 0; | |
32798965 | 732 | struct nh_walk_ctx wctx; |
2dbad57f | 733 | char vni_str[VNI_STR_LEN]; |
734 | ||
32798965 MK |
735 | vty = (struct vty *)args[0]; |
736 | json = (struct json_object *)args[1]; | |
2dbad57f | 737 | |
738 | zl3vni = (zebra_l3vni_t *)backet->data; | |
739 | if (!zl3vni) { | |
740 | if (json) | |
741 | vty_out(vty, "{}\n"); | |
742 | return; | |
743 | } | |
744 | ||
745 | num_nh = hashcount(zl3vni->nh_table); | |
746 | if (!num_nh) | |
747 | return; | |
748 | ||
749 | if (json) { | |
750 | json_vni = json_object_new_object(); | |
2dbad57f | 751 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
752 | } | |
753 | ||
754 | if (json == NULL) { | |
32798965 | 755 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", |
2dbad57f | 756 | zl3vni->vni, num_nh); |
2dbad57f | 757 | vty_out(vty, "%-15s %-17s %6s\n", "IP", |
758 | "RMAC", "Refcnt"); | |
759 | } else | |
760 | json_object_int_add(json_vni, "numNh", num_nh); | |
761 | ||
32798965 MK |
762 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
763 | wctx.vty = vty; | |
764 | wctx.json = json_vni; | |
765 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
766 | if (json) | |
2dbad57f | 767 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 768 | } |
769 | ||
b7cfce93 MK |
770 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
771 | void *ctx) | |
772 | { | |
773 | struct vty *vty = NULL; | |
774 | json_object *json = NULL; | |
775 | json_object *json_vni = NULL; | |
776 | json_object *json_mac = NULL; | |
777 | zebra_l3vni_t *zl3vni = NULL; | |
778 | u_int32_t num_rmacs; | |
779 | struct rmac_walk_ctx *wctx = NULL; | |
780 | char vni_str[VNI_STR_LEN]; | |
781 | ||
782 | wctx = (struct rmac_walk_ctx *)ctx; | |
783 | vty = (struct vty *)wctx->vty; | |
784 | json = (struct json_object *)wctx->json; | |
785 | ||
786 | zl3vni = (zebra_l3vni_t *)backet->data; | |
787 | if (!zl3vni) { | |
788 | if (json) | |
789 | vty_out(vty, "{}\n"); | |
790 | return; | |
791 | } | |
792 | ||
793 | num_rmacs = hashcount(zl3vni->rmac_table); | |
794 | if (!num_rmacs) | |
795 | return; | |
796 | ||
797 | if (json) { | |
798 | json_vni = json_object_new_object(); | |
799 | json_mac = json_object_new_array(); | |
800 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
801 | } | |
802 | ||
803 | if (json == NULL) { | |
804 | vty_out(vty, "\nVNI %u #MACs %u\n\n", | |
805 | zl3vni->vni, num_rmacs); | |
806 | vty_out(vty, "%-17s %-21s %-6s\n", "MAC", | |
807 | "Remote VTEP", "Refcnt"); | |
808 | } else | |
809 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
810 | ||
811 | /* assign per-vni to wctx->json object to fill macs | |
812 | * under the vni. Re-assign primary json object to fill | |
813 | * next vni information. | |
814 | */ | |
815 | wctx->json = json_mac; | |
816 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, wctx); | |
817 | wctx->json = json; | |
818 | if (json) { | |
819 | json_object_object_add(json_vni, "rmacs", json_mac); | |
820 | json_object_object_add(json, vni_str, json_vni); | |
821 | } | |
822 | } | |
823 | ||
824 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, | |
825 | void *ctx) | |
826 | { | |
827 | zebra_mac_t *zrmac = NULL; | |
828 | struct rmac_walk_ctx *wctx = NULL; | |
829 | struct vty *vty = NULL; | |
830 | struct json_object *json = NULL; | |
831 | struct json_object *json_rmac = NULL; | |
832 | char buf[ETHER_ADDR_STRLEN]; | |
833 | ||
834 | wctx = (struct rmac_walk_ctx *)ctx; | |
835 | vty = wctx->vty; | |
836 | json = wctx->json; | |
837 | if (json) | |
838 | json_rmac = json_object_new_object(); | |
839 | zrmac = (zebra_mac_t *)backet->data; | |
840 | if (!zrmac) | |
841 | return; | |
842 | ||
843 | if (!json) { | |
844 | vty_out(vty, "%-17s %-21s %-6d\n", | |
845 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
846 | inet_ntoa(zrmac->fwd_info.r_vtep_ip), | |
6134fd82 | 847 | listcount(zrmac->host_list)); |
b7cfce93 MK |
848 | } else { |
849 | json_object_string_add(json_rmac, "rmac", | |
850 | prefix_mac2str(&zrmac->macaddr, buf, | |
851 | sizeof(buf))); | |
852 | json_object_string_add(json_rmac, "vtep-ip", | |
853 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
6134fd82 | 854 | json_object_int_add(json_rmac, "refcnt", |
855 | listcount(zrmac->host_list)); | |
b7cfce93 MK |
856 | json_object_array_add(json, json_rmac); |
857 | } | |
858 | } | |
859 | ||
860 | /* print a specific L3 VNI entry */ | |
861 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
862 | { | |
863 | char buf[ETHER_ADDR_STRLEN]; | |
864 | struct vty *vty = NULL; | |
865 | json_object *json = NULL; | |
866 | zebra_vni_t *zvni = NULL; | |
867 | json_object *json_vni_list = NULL; | |
868 | struct listnode *node = NULL, *nnode = NULL; | |
869 | ||
870 | vty = ctx[0]; | |
871 | json = ctx[1]; | |
872 | ||
873 | if (!json) { | |
874 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
875 | vty_out(vty, " Vxlan-Intf: %s\n", | |
876 | zl3vni_vxlan_if_name(zl3vni)); | |
877 | vty_out(vty, " SVI-If: %s\n", | |
878 | zl3vni_svi_if_name(zl3vni)); | |
879 | vty_out(vty, " State: %s\n", | |
880 | zl3vni_state2str(zl3vni)); | |
881 | vty_out(vty, " Vrf: %s\n", | |
882 | zl3vni_vrf_name(zl3vni)); | |
883 | vty_out(vty, " Rmac: %s\n", | |
884 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
885 | vty_out(vty, " L2-VNIs: "); | |
886 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) | |
887 | vty_out(vty, "%u ", zvni->vni); | |
888 | vty_out(vty, "\n"); | |
889 | } else { | |
890 | json_vni_list = json_object_new_array(); | |
891 | json_object_int_add(json, "vni", zl3vni->vni); | |
892 | json_object_string_add(json, "vxlan-intf", | |
893 | zl3vni_vxlan_if_name(zl3vni)); | |
894 | json_object_string_add(json, "svi-if", | |
895 | zl3vni_svi_if_name(zl3vni)); | |
896 | json_object_string_add(json, "state", | |
897 | zl3vni_state2str(zl3vni)); | |
898 | json_object_string_add(json, "vrf", | |
899 | zl3vni_vrf_name(zl3vni)); | |
900 | json_object_string_add(json, "rmac", | |
901 | zl3vni_rmac2str(zl3vni, buf, | |
902 | sizeof(buf))); | |
903 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { | |
904 | json_object_array_add(json_vni_list, | |
905 | json_object_new_int(zvni->vni)); | |
906 | } | |
907 | json_object_object_add(json, "l2-vnis", json_vni_list); | |
908 | } | |
909 | } | |
910 | ||
cec2e17d | 911 | /* |
912 | * Print a specific VNI entry. | |
913 | */ | |
cd233079 | 914 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 915 | { |
916 | struct vty *vty; | |
917 | zebra_vtep_t *zvtep; | |
918 | u_int32_t num_macs; | |
919 | u_int32_t num_neigh; | |
cd233079 CS |
920 | json_object *json = NULL; |
921 | json_object *json_vtep_list = NULL; | |
922 | json_object *json_ip_str = NULL; | |
d62a17ae | 923 | |
cd233079 CS |
924 | vty = ctxt[0]; |
925 | json = ctxt[1]; | |
926 | ||
b7cfce93 | 927 | if (json == NULL) { |
cd233079 | 928 | vty_out(vty, "VNI: %u\n", zvni->vni); |
b7cfce93 MK |
929 | vty_out(vty, " VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); |
930 | } else { | |
cd233079 | 931 | json_object_int_add(json, "vni", zvni->vni); |
b7cfce93 MK |
932 | json_object_string_add(json, "vrf", |
933 | vrf_id_to_name(zvni->vrf_id)); | |
934 | } | |
d62a17ae | 935 | |
d62a17ae | 936 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
937 | if (json == NULL) |
938 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 939 | return; |
940 | } | |
790f8dc5 | 941 | num_macs = num_valid_macs(zvni); |
cd233079 CS |
942 | num_neigh = hashcount(zvni->neigh_table); |
943 | if (json == NULL) | |
944 | vty_out(vty, " VxLAN interface: %s ifIndex: %u VTEP IP: %s\n", | |
945 | zvni->vxlan_if->name, zvni->vxlan_if->ifindex, | |
946 | inet_ntoa(zvni->local_vtep_ip)); | |
947 | else { | |
948 | json_object_string_add(json, "vxlanInterface", | |
949 | zvni->vxlan_if->name); | |
950 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
951 | json_object_string_add(json, "vtepIp", | |
952 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
953 | json_object_string_add(json, "advertiseGatewayMacip", |
954 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
955 | json_object_int_add(json, "numMacs", num_macs); |
956 | json_object_int_add(json, "numArpNd", num_neigh); | |
957 | } | |
d62a17ae | 958 | if (!zvni->vteps) { |
cd233079 CS |
959 | if (json == NULL) |
960 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 961 | } else { |
cd233079 CS |
962 | if (json == NULL) |
963 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
964 | else | |
965 | json_vtep_list = json_object_new_array(); | |
966 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
967 | if (json == NULL) | |
968 | vty_out(vty, " %s\n", | |
969 | inet_ntoa(zvtep->vtep_ip)); | |
970 | else { | |
971 | json_ip_str = json_object_new_string( | |
972 | inet_ntoa(zvtep->vtep_ip)); | |
973 | json_object_array_add(json_vtep_list, | |
974 | json_ip_str); | |
975 | } | |
976 | } | |
977 | if (json) | |
978 | json_object_object_add(json, "numRemoteVteps", | |
979 | json_vtep_list); | |
980 | } | |
981 | if (json == NULL) { | |
982 | vty_out(vty, | |
983 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
984 | num_macs); | |
985 | vty_out(vty, | |
986 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
987 | "known for this VNI: %u\n", | |
988 | num_neigh); | |
ddd16ed5 MK |
989 | vty_out(vty, " Advertise-gw-macip: %s\n", |
990 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 991 | } |
cec2e17d | 992 | } |
993 | ||
b7cfce93 MK |
994 | /* print a L3 VNI hash entry */ |
995 | static void zl3vni_print_hash(struct hash_backet *backet, | |
996 | void *ctx[]) | |
997 | { | |
998 | char buf[ETHER_ADDR_STRLEN]; | |
999 | struct vty *vty = NULL; | |
1000 | json_object *json = NULL; | |
51d8de8f | 1001 | json_object *json_vni = NULL; |
b7cfce93 MK |
1002 | zebra_l3vni_t *zl3vni = NULL; |
1003 | ||
51d8de8f MK |
1004 | vty = (struct vty *)ctx[0]; |
1005 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1006 | |
1007 | zl3vni = (zebra_l3vni_t *)backet->data; | |
1008 | if (!zl3vni) | |
1009 | return; | |
1010 | ||
1011 | if (!json) { | |
1012 | vty_out(vty, "%-10u %-20s %-20s %-5s %-37s %-18s\n", | |
1013 | zl3vni->vni, | |
1014 | zl3vni_vxlan_if_name(zl3vni), | |
1015 | zl3vni_svi_if_name(zl3vni), | |
1016 | zl3vni_state2str(zl3vni), | |
1017 | zl3vni_vrf_name(zl3vni), | |
1018 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1019 | } else { | |
51d8de8f MK |
1020 | char vni_str[VNI_STR_LEN]; |
1021 | ||
1022 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1023 | json_vni = json_object_new_object(); | |
1024 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
1025 | json_object_string_add(json_vni, "vxlan-if", | |
b7cfce93 | 1026 | zl3vni_vxlan_if_name(zl3vni)); |
51d8de8f | 1027 | json_object_string_add(json_vni, "svi-if", |
b7cfce93 | 1028 | zl3vni_svi_if_name(zl3vni)); |
51d8de8f | 1029 | json_object_string_add(json_vni, "state", |
b7cfce93 | 1030 | zl3vni_state2str(zl3vni)); |
51d8de8f | 1031 | json_object_string_add(json_vni, "vrf", |
b7cfce93 | 1032 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1033 | json_object_string_add(json_vni, "rmac", |
b7cfce93 MK |
1034 | zl3vni_rmac2str(zl3vni, buf, |
1035 | sizeof(buf))); | |
51d8de8f | 1036 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1037 | } |
1038 | ||
1039 | } | |
1040 | ||
cec2e17d | 1041 | /* |
1042 | * Print a VNI hash entry - called for display of all VNIs. | |
1043 | */ | |
cd233079 | 1044 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1045 | { |
d62a17ae | 1046 | struct vty *vty; |
1047 | zebra_vni_t *zvni; | |
1048 | zebra_vtep_t *zvtep; | |
1049 | u_int32_t num_vteps = 0; | |
1050 | u_int32_t num_macs = 0; | |
1051 | u_int32_t num_neigh = 0; | |
cd233079 CS |
1052 | json_object *json = NULL; |
1053 | json_object *json_vni = NULL; | |
1054 | json_object *json_ip_str = NULL; | |
1055 | json_object *json_vtep_list = NULL; | |
1056 | ||
1057 | vty = ctxt[0]; | |
1058 | json = ctxt[1]; | |
cec2e17d | 1059 | |
d62a17ae | 1060 | zvni = (zebra_vni_t *)backet->data; |
1061 | if (!zvni) | |
1062 | return; | |
cec2e17d | 1063 | |
d62a17ae | 1064 | zvtep = zvni->vteps; |
1065 | while (zvtep) { | |
1066 | num_vteps++; | |
1067 | zvtep = zvtep->next; | |
1068 | } | |
cec2e17d | 1069 | |
790f8dc5 | 1070 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1071 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1072 | if (json == NULL) |
b7cfce93 MK |
1073 | vty_out(vty, "%-10u %-21s %-15s %-8u %-8u %-15u %-37s\n", |
1074 | zvni->vni, | |
cd233079 CS |
1075 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
1076 | inet_ntoa(zvni->local_vtep_ip), num_macs, num_neigh, | |
b7cfce93 MK |
1077 | num_vteps, |
1078 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1079 | else { |
1080 | char vni_str[VNI_STR_LEN]; | |
1081 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1082 | json_vni = json_object_new_object(); | |
1083 | json_object_string_add(json_vni, "vxlanIf", | |
1084 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1085 | : "unknown"); | |
1086 | json_object_string_add(json_vni, "vtepIp", | |
1087 | inet_ntoa(zvni->local_vtep_ip)); | |
1088 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1089 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1090 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
1091 | if (num_vteps) { | |
1092 | json_vtep_list = json_object_new_array(); | |
1093 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1094 | json_ip_str = json_object_new_string( | |
1095 | inet_ntoa(zvtep->vtep_ip)); | |
1096 | json_object_array_add(json_vtep_list, | |
1097 | json_ip_str); | |
1098 | } | |
1099 | json_object_object_add(json_vni, "remoteVteps", | |
1100 | json_vtep_list); | |
1101 | } | |
1102 | json_object_object_add(json, vni_str, json_vni); | |
1103 | } | |
cec2e17d | 1104 | } |
1105 | ||
13d60d35 | 1106 | /* |
2232a77c | 1107 | * Inform BGP about local MACIP. |
1108 | */ | |
2853fed6 | 1109 | static int zvni_macip_send_msg_to_client(vni_t vni, |
d62a17ae | 1110 | struct ethaddr *macaddr, |
1a98c087 | 1111 | struct ipaddr *ip, u_char flags, |
d62a17ae | 1112 | u_int16_t cmd) |
1113 | { | |
d62a17ae | 1114 | char buf[ETHER_ADDR_STRLEN]; |
1115 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1116 | int ipa_len; |
1117 | struct zserv *client = NULL; | |
1118 | struct stream *s = NULL; | |
d62a17ae | 1119 | |
019a82cb | 1120 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1121 | /* BGP may not be running. */ |
1122 | if (!client) | |
1123 | return 0; | |
1124 | ||
1125 | s = client->obuf; | |
1126 | stream_reset(s); | |
1127 | ||
2853fed6 | 1128 | zserv_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1129 | stream_putl(s, vni); |
ff8b7eb8 | 1130 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1131 | if (ip) { |
1132 | ipa_len = 0; | |
1133 | if (IS_IPADDR_V4(ip)) | |
1134 | ipa_len = IPV4_MAX_BYTELEN; | |
1135 | else if (IS_IPADDR_V6(ip)) | |
1136 | ipa_len = IPV6_MAX_BYTELEN; | |
1137 | ||
1138 | stream_putl(s, ipa_len); /* IP address length */ | |
1139 | if (ipa_len) | |
1140 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1141 | } else | |
1142 | stream_putl(s, 0); /* Just MAC. */ | |
1143 | ||
1a98c087 | 1144 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 1145 | |
b7cfce93 | 1146 | |
d62a17ae | 1147 | /* Write packet size. */ |
1148 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1149 | ||
1150 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1151 | zlog_debug( |
b7cfce93 | 1152 | "Send MACIP %s flags 0x%x MAC %s IP %s L2-VNI %u to %s", |
2853fed6 | 1153 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", |
1a98c087 MK |
1154 | flags, prefix_mac2str(macaddr, buf, sizeof(buf)), |
1155 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, | |
1156 | zebra_route_string(client->proto)); | |
d62a17ae | 1157 | |
1158 | if (cmd == ZEBRA_MACIP_ADD) | |
1159 | client->macipadd_cnt++; | |
1160 | else | |
1161 | client->macipdel_cnt++; | |
1162 | ||
1163 | return zebra_server_send_message(client); | |
2232a77c | 1164 | } |
1165 | ||
1166 | /* | |
1167 | * Make hash key for neighbors. | |
13d60d35 | 1168 | */ |
d62a17ae | 1169 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1170 | { |
d62a17ae | 1171 | zebra_neigh_t *n = p; |
1172 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1173 | |
d62a17ae | 1174 | if (IS_IPADDR_V4(ip)) |
1175 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1176 | |
d62a17ae | 1177 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1178 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1179 | } |
1180 | ||
1181 | /* | |
2232a77c | 1182 | * Compare two neighbor hash structures. |
13d60d35 | 1183 | */ |
d62a17ae | 1184 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1185 | { |
d62a17ae | 1186 | const zebra_neigh_t *n1 = p1; |
1187 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1188 | |
d62a17ae | 1189 | if (n1 == NULL && n2 == NULL) |
1190 | return 1; | |
2232a77c | 1191 | |
d62a17ae | 1192 | if (n1 == NULL || n2 == NULL) |
1193 | return 0; | |
2232a77c | 1194 | |
d62a17ae | 1195 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1196 | } |
1197 | ||
1198 | /* | |
2232a77c | 1199 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1200 | */ |
d62a17ae | 1201 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1202 | { |
d62a17ae | 1203 | const zebra_neigh_t *tmp_n = p; |
1204 | zebra_neigh_t *n; | |
13d60d35 | 1205 | |
d62a17ae | 1206 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1207 | *n = *tmp_n; | |
2232a77c | 1208 | |
d62a17ae | 1209 | return ((void *)n); |
13d60d35 | 1210 | } |
1211 | ||
1212 | /* | |
2232a77c | 1213 | * Add neighbor entry. |
13d60d35 | 1214 | */ |
b6938a74 MK |
1215 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1216 | struct ethaddr *mac) | |
13d60d35 | 1217 | { |
d62a17ae | 1218 | zebra_neigh_t tmp_n; |
1219 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1220 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1221 | |
d62a17ae | 1222 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1223 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1224 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1225 | assert(n); | |
13d60d35 | 1226 | |
b6938a74 MK |
1227 | memcpy(&n->emac, mac, ETH_ALEN); |
1228 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1229 | ||
1230 | /* Associate the neigh to mac */ | |
1231 | zmac = zvni_mac_lookup(zvni, mac); | |
1232 | if (zmac) | |
1233 | listnode_add_sort(zmac->neigh_list, n); | |
1234 | ||
d62a17ae | 1235 | return n; |
13d60d35 | 1236 | } |
1237 | ||
1238 | /* | |
2232a77c | 1239 | * Delete neighbor entry. |
13d60d35 | 1240 | */ |
d62a17ae | 1241 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1242 | { |
d62a17ae | 1243 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1244 | zebra_mac_t *zmac = NULL; |
1245 | ||
1246 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1247 | if (zmac) | |
1248 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1249 | |
d62a17ae | 1250 | /* Free the VNI hash entry and allocated memory. */ |
1251 | tmp_n = hash_release(zvni->neigh_table, n); | |
1252 | if (tmp_n) | |
1253 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1254 | |
d62a17ae | 1255 | return 0; |
13d60d35 | 1256 | } |
1257 | ||
1258 | /* | |
2232a77c | 1259 | * Free neighbor hash entry (callback) |
13d60d35 | 1260 | */ |
d62a17ae | 1261 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1262 | { |
d62a17ae | 1263 | struct neigh_walk_ctx *wctx = arg; |
1264 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1265 | |
d62a17ae | 1266 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1267 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1268 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1269 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1270 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1271 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1272 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1273 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1274 | &n->emac, 0); |
13d60d35 | 1275 | |
d62a17ae | 1276 | if (wctx->uninstall) |
1277 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1278 | |
d62a17ae | 1279 | return zvni_neigh_del(wctx->zvni, n); |
1280 | } | |
13d60d35 | 1281 | |
d62a17ae | 1282 | return 0; |
13d60d35 | 1283 | } |
1284 | ||
1285 | /* | |
2232a77c | 1286 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1287 | */ |
d62a17ae | 1288 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1289 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1290 | { |
d62a17ae | 1291 | struct neigh_walk_ctx wctx; |
13d60d35 | 1292 | |
d62a17ae | 1293 | if (!zvni->neigh_table) |
1294 | return; | |
13d60d35 | 1295 | |
d62a17ae | 1296 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1297 | wctx.zvni = zvni; | |
1298 | wctx.uninstall = uninstall; | |
1299 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1300 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1301 | |
d62a17ae | 1302 | hash_iterate(zvni->neigh_table, |
1303 | (void (*)(struct hash_backet *, | |
1304 | void *))zvni_neigh_del_hash_entry, | |
1305 | &wctx); | |
2232a77c | 1306 | } |
13d60d35 | 1307 | |
2232a77c | 1308 | /* |
1309 | * Delete all neighbor entries for this VNI. | |
1310 | */ | |
2853fed6 | 1311 | static void zvni_neigh_del_all(zebra_vni_t *zvni, |
d62a17ae | 1312 | int uninstall, int upd_client, u_int32_t flags) |
2232a77c | 1313 | { |
d62a17ae | 1314 | struct neigh_walk_ctx wctx; |
13d60d35 | 1315 | |
d62a17ae | 1316 | if (!zvni->neigh_table) |
1317 | return; | |
13d60d35 | 1318 | |
d62a17ae | 1319 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1320 | wctx.zvni = zvni; | |
d62a17ae | 1321 | wctx.uninstall = uninstall; |
1322 | wctx.upd_client = upd_client; | |
1323 | wctx.flags = flags; | |
2232a77c | 1324 | |
d62a17ae | 1325 | hash_iterate(zvni->neigh_table, |
1326 | (void (*)(struct hash_backet *, | |
1327 | void *))zvni_neigh_del_hash_entry, | |
1328 | &wctx); | |
13d60d35 | 1329 | } |
1330 | ||
1331 | /* | |
2232a77c | 1332 | * Look up neighbor hash entry. |
1333 | */ | |
d62a17ae | 1334 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1335 | { |
d62a17ae | 1336 | zebra_neigh_t tmp; |
1337 | zebra_neigh_t *n; | |
2232a77c | 1338 | |
d62a17ae | 1339 | memset(&tmp, 0, sizeof(tmp)); |
1340 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1341 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1342 | |
d62a17ae | 1343 | return n; |
2232a77c | 1344 | } |
1345 | ||
b6938a74 | 1346 | /* Process all neigh associated to a mac upon local mac add event */ |
2853fed6 | 1347 | static void zvni_process_neigh_on_local_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1348 | zebra_mac_t *zmac) |
1349 | { | |
1350 | zebra_neigh_t *n = NULL; | |
1351 | struct listnode *node = NULL; | |
1352 | char buf[ETHER_ADDR_STRLEN]; | |
1353 | char buf2[INET6_ADDRSTRLEN]; | |
1354 | ||
1355 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1356 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1357 | /* MAC is learnt locally, program all inactive neigh | |
1358 | * pointing to this mac */ | |
1359 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
1360 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1361 | zlog_debug( | |
b7cfce93 | 1362 | "neigh %s (MAC %s) on L2-VNI %u is now ACTIVE", |
b6938a74 MK |
1363 | ipaddr2str(&n->ip, buf2, |
1364 | sizeof(buf2)), | |
1365 | prefix_mac2str(&n->emac, buf, | |
1366 | sizeof(buf)), | |
1367 | zvni->vni); | |
1368 | ||
1369 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
1370 | zvni_neigh_send_add_to_client( | |
2853fed6 | 1371 | zvni->vni, &n->ip, &n->emac, 0); |
b6938a74 MK |
1372 | } else { |
1373 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1374 | zlog_debug( | |
2853fed6 | 1375 | "neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", |
b6938a74 MK |
1376 | ipaddr2str(&n->ip, buf2, |
1377 | sizeof(buf2)), | |
1378 | prefix_mac2str(&n->emac, buf, | |
1379 | sizeof(buf)), | |
1380 | zvni->vni); | |
1381 | } | |
1382 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1383 | /* TODO: assume the neigh has moved too ?? */ | |
1384 | } | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | /* Process all neigh associated to a mac upon local mac del event */ | |
2853fed6 | 1389 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1390 | zebra_mac_t *zmac) |
1391 | { | |
1392 | zebra_neigh_t *n = NULL; | |
1393 | struct listnode *node = NULL; | |
1394 | char buf[ETHER_ADDR_STRLEN]; | |
1395 | char buf2[INET6_ADDRSTRLEN]; | |
1396 | ||
1397 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1398 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1399 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1400 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1401 | zlog_debug( | |
b7cfce93 | 1402 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1403 | ipaddr2str(&n->ip, buf2, |
1404 | sizeof(buf2)), | |
1405 | prefix_mac2str(&n->emac, buf, | |
1406 | sizeof(buf)), | |
1407 | zvni->vni); | |
1408 | ||
1409 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1410 | zvni_neigh_send_del_to_client( | |
2853fed6 | 1411 | zvni->vni, &n->ip, &n->emac, 0); |
b6938a74 MK |
1412 | } |
1413 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1414 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1415 | zlog_err( | |
2853fed6 | 1416 | "local MAC %s getting deleted on VNI %u has remote neigh %s", |
b6938a74 MK |
1417 | prefix_mac2str(&n->emac, buf, |
1418 | sizeof(buf)), | |
1419 | zvni->vni, | |
1420 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1421 | } | |
1422 | } | |
1423 | } | |
1424 | ||
1425 | /* process all neigh associated to a mac entry upon remote mac add */ | |
2853fed6 | 1426 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1427 | zebra_mac_t *zmac) |
1428 | { | |
1429 | zebra_neigh_t *n = NULL; | |
1430 | struct listnode *node = NULL; | |
1431 | char buf[ETHER_ADDR_STRLEN]; | |
1432 | char buf2[INET6_ADDRSTRLEN]; | |
1433 | ||
1434 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1435 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1436 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1437 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1438 | zlog_debug( | |
b7cfce93 | 1439 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1440 | ipaddr2str(&n->ip, buf2, |
1441 | sizeof(buf2)), | |
1442 | prefix_mac2str(&n->emac, buf, | |
1443 | sizeof(buf)), | |
1444 | zvni->vni); | |
1445 | ||
1446 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
1447 | zvni_neigh_send_del_to_client( | |
2853fed6 | 1448 | zvni->vni, &n->ip, &n->emac, 0); |
b6938a74 MK |
1449 | } |
1450 | } | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | /* process all neigh associated to mac entry upon remote mac del */ | |
2853fed6 | 1455 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1456 | zebra_mac_t *zmac) |
1457 | { | |
1458 | zebra_neigh_t *n = NULL; | |
1459 | struct listnode *node = NULL; | |
1460 | char buf[ETHER_ADDR_STRLEN]; | |
1461 | char buf2[INET6_ADDRSTRLEN]; | |
1462 | ||
1463 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1464 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1465 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1466 | zlog_err( | |
2853fed6 | 1467 | "remote MAC %s getting deleted on VNI %u has local neigh %s", |
b6938a74 MK |
1468 | prefix_mac2str(&n->emac, buf, |
1469 | sizeof(buf)), | |
1470 | zvni->vni, | |
1471 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1472 | } | |
1473 | } | |
1474 | } | |
1475 | ||
2232a77c | 1476 | /* |
1477 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1478 | */ |
2853fed6 | 1479 | static int zvni_neigh_send_add_to_client(vni_t vni, |
d62a17ae | 1480 | struct ipaddr *ip, |
1a98c087 | 1481 | struct ethaddr *macaddr, u_char flags) |
13d60d35 | 1482 | { |
2853fed6 | 1483 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1484 | ZEBRA_MACIP_ADD); |
2232a77c | 1485 | } |
13d60d35 | 1486 | |
2232a77c | 1487 | /* |
1488 | * Inform BGP about local neighbor deletion. | |
1489 | */ | |
2853fed6 | 1490 | static int zvni_neigh_send_del_to_client(vni_t vni, |
d62a17ae | 1491 | struct ipaddr *ip, |
1a98c087 | 1492 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 1493 | { |
2853fed6 | 1494 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1495 | ZEBRA_MACIP_DEL); |
2232a77c | 1496 | } |
1497 | ||
1498 | /* | |
1499 | * Install remote neighbor into the kernel. | |
1500 | */ | |
d62a17ae | 1501 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1502 | { |
d62a17ae | 1503 | struct zebra_if *zif; |
1504 | struct zebra_l2info_vxlan *vxl; | |
1505 | struct interface *vlan_if; | |
2232a77c | 1506 | |
d62a17ae | 1507 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1508 | return 0; | |
13d60d35 | 1509 | |
d62a17ae | 1510 | zif = zvni->vxlan_if->info; |
1511 | if (!zif) | |
1512 | return -1; | |
1513 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1514 | |
2853fed6 | 1515 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1516 | if (!vlan_if) |
1517 | return -1; | |
13d60d35 | 1518 | |
d62a17ae | 1519 | return kernel_add_neigh(vlan_if, &n->ip, &n->emac); |
2232a77c | 1520 | } |
13d60d35 | 1521 | |
2232a77c | 1522 | /* |
1523 | * Uninstall remote neighbor from the kernel. | |
1524 | */ | |
d62a17ae | 1525 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1526 | { |
d62a17ae | 1527 | struct zebra_if *zif; |
1528 | struct zebra_l2info_vxlan *vxl; | |
1529 | struct interface *vlan_if; | |
13d60d35 | 1530 | |
d62a17ae | 1531 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1532 | return 0; | |
2232a77c | 1533 | |
d62a17ae | 1534 | if (!zvni->vxlan_if) { |
1535 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1536 | zvni->vni, zvni); | |
1537 | return -1; | |
1538 | } | |
2232a77c | 1539 | |
d62a17ae | 1540 | zif = zvni->vxlan_if->info; |
1541 | if (!zif) | |
1542 | return -1; | |
1543 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1544 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1545 | if (!vlan_if) |
1546 | return -1; | |
2232a77c | 1547 | |
d62a17ae | 1548 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1549 | } |
1550 | ||
1551 | /* | |
2232a77c | 1552 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1553 | */ |
d62a17ae | 1554 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1555 | { |
d62a17ae | 1556 | zebra_neigh_t *n; |
1557 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1558 | |
d62a17ae | 1559 | n = (zebra_neigh_t *)backet->data; |
1560 | if (!n) | |
1561 | return; | |
13d60d35 | 1562 | |
d62a17ae | 1563 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1564 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1565 | } |
13d60d35 | 1566 | |
1a98c087 MK |
1567 | /* Get the VRR interface for SVI if any */ |
1568 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1569 | { | |
1570 | struct zebra_vrf *zvrf = NULL; | |
1571 | struct interface *tmp_if = NULL; | |
1572 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1573 | |
1574 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1575 | assert(zvrf); | |
1576 | ||
451fda4f | 1577 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1578 | zif = tmp_if->info; |
1579 | if (!zif) | |
1580 | continue; | |
1581 | ||
1582 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1583 | continue; | |
1584 | ||
1585 | if (zif->link == ifp) | |
1586 | return tmp_if; | |
1587 | } | |
1588 | ||
1589 | return NULL; | |
1590 | } | |
1591 | ||
1592 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1593 | { | |
1a98c087 MK |
1594 | struct listnode *cnode = NULL, *cnnode = NULL; |
1595 | struct connected *c = NULL; | |
1596 | struct ethaddr macaddr; | |
1597 | ||
1a98c087 MK |
1598 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1599 | ||
1600 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1601 | struct ipaddr ip; | |
1602 | ||
1603 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1604 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1605 | continue; | |
1606 | ||
1607 | if (c->address->family == AF_INET) { | |
1608 | ip.ipa_type = IPADDR_V4; | |
1609 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1610 | sizeof(struct in_addr)); | |
1611 | } else if (c->address->family == AF_INET6) { | |
1612 | ip.ipa_type = IPADDR_V6; | |
1613 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1614 | sizeof(struct in6_addr)); | |
1615 | } else { | |
1616 | continue; | |
1617 | } | |
1618 | ||
1619 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1620 | } | |
1621 | ||
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1626 | { | |
1a98c087 MK |
1627 | struct listnode *cnode = NULL, *cnnode = NULL; |
1628 | struct connected *c = NULL; | |
1629 | struct ethaddr macaddr; | |
1630 | ||
1a98c087 MK |
1631 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1632 | ||
1633 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1634 | struct ipaddr ip; | |
1635 | ||
1636 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1637 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1638 | continue; | |
1639 | ||
1640 | if (c->address->family == AF_INET) { | |
1641 | ip.ipa_type = IPADDR_V4; | |
1642 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1643 | sizeof(struct in_addr)); | |
1644 | } else if (c->address->family == AF_INET6) { | |
1645 | ip.ipa_type = IPADDR_V6; | |
1646 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1647 | sizeof(struct in6_addr)); | |
1648 | } else { | |
1649 | continue; | |
1650 | } | |
1651 | ||
1652 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1653 | } | |
1654 | ||
1655 | return 0; | |
1656 | } | |
1657 | ||
1658 | /* | |
1659 | * zvni_gw_macip_add_to_client | |
1660 | */ | |
1661 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1662 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1663 | { | |
b7cfce93 MK |
1664 | vni_t l3vni = 0; |
1665 | struct ethaddr rmac; | |
1a98c087 | 1666 | char buf[ETHER_ADDR_STRLEN]; |
b7cfce93 | 1667 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1668 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1669 | zebra_neigh_t *n = NULL; |
1670 | zebra_mac_t *mac = NULL; | |
1671 | struct zebra_if *zif = NULL; | |
1672 | struct zebra_l2info_vxlan *vxl = NULL; | |
1673 | ||
1674 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
1a98c087 | 1675 | |
1a98c087 MK |
1676 | zif = zvni->vxlan_if->info; |
1677 | if (!zif) | |
1678 | return -1; | |
1679 | ||
1680 | vxl = &zif->l2info.vxl; | |
1681 | ||
b7cfce93 MK |
1682 | /* get the l3-vni */ |
1683 | l3vni = zvni_get_l3vni(zvni); | |
1684 | ||
1685 | /* get the rmac */ | |
1686 | zvni_get_rmac(zvni, &rmac); | |
1687 | ||
1a98c087 MK |
1688 | mac = zvni_mac_lookup(zvni, macaddr); |
1689 | if (!mac) { | |
1690 | mac = zvni_mac_add(zvni, macaddr); | |
1691 | if (!mac) { | |
2853fed6 | 1692 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
1a98c087 MK |
1693 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1694 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1695 | return -1; | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | /* Set "local" forwarding info. */ | |
1700 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1701 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
1702 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
1703 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1704 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1705 | ||
1706 | n = zvni_neigh_lookup(zvni, ip); | |
1707 | if (!n) { | |
b6938a74 | 1708 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 MK |
1709 | if (!n) { |
1710 | zlog_err( | |
2853fed6 | 1711 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1712 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1713 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1714 | ifp->name, ifp->ifindex, zvni->vni); |
1715 | return -1; | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | /* Set "local" forwarding info. */ | |
1720 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
1721 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
1722 | n->ifindex = ifp->ifindex; | |
1723 | ||
1a98c087 MK |
1724 | if (IS_ZEBRA_DEBUG_VXLAN) |
1725 | zlog_debug( | |
b7cfce93 | 1726 | "SVI %s(%u) L2-VNI %u L3-VNI %u RMAC %s , sending GW MAC %s IP %s add to BGP", |
2853fed6 | 1727 | ifp->name, ifp->ifindex, zvni->vni, |
b7cfce93 MK |
1728 | l3vni, |
1729 | prefix_mac2str(&rmac, buf1, sizeof(buf1)), | |
1e9f448f | 1730 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1731 | ipaddr2str(ip, buf2, sizeof(buf2))); |
1732 | ||
2853fed6 | 1733 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1a98c087 MK |
1734 | ZEBRA_MAC_TYPE_GW); |
1735 | ||
1736 | return 0; | |
1737 | } | |
1738 | ||
1739 | /* | |
1740 | * zvni_gw_macip_del_from_client | |
1741 | */ | |
1742 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1743 | struct ipaddr *ip) | |
1744 | { | |
b7cfce93 MK |
1745 | vni_t l3vni = 0; |
1746 | struct ethaddr rmac; | |
1747 | char buf[ETHER_ADDR_STRLEN]; | |
0af35d90 | 1748 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1749 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1750 | zebra_neigh_t *n = NULL; |
1751 | zebra_mac_t *mac = NULL; | |
1752 | ||
1753 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
1754 | ||
1755 | /* get the l30vni */ | |
1756 | l3vni = zvni_get_l3vni(zvni); | |
1757 | ||
1758 | /* get the rmac */ | |
1759 | zvni_get_rmac(zvni, &rmac); | |
1a98c087 | 1760 | |
1a98c087 MK |
1761 | /* If the neigh entry is not present nothing to do*/ |
1762 | n = zvni_neigh_lookup(zvni, ip); | |
1763 | if (!n) | |
1764 | return 0; | |
1765 | ||
1766 | /* mac entry should be present */ | |
1767 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1768 | if (!mac) { |
2853fed6 | 1769 | zlog_err("MAC %s doesnt exists for neigh %s on VNI %u", |
0af35d90 | 1770 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
1a98c087 | 1771 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); |
0af35d90 RW |
1772 | return -1; |
1773 | } | |
1a98c087 MK |
1774 | |
1775 | /* If the entry is not local nothing to do*/ | |
1776 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1777 | return -1; | |
1778 | ||
1779 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1780 | zlog_debug( | |
b7cfce93 MK |
1781 | "SVI %s(%u) L2-VNI %u, L3-VNI %u RMAC %s sending GW MAC %s IP %s del to BGP", |
1782 | ifp->name, ifp->ifindex, zvni->vni, l3vni, | |
1783 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
0af35d90 | 1784 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
1a98c087 MK |
1785 | ipaddr2str(ip, buf2, sizeof(buf2))); |
1786 | ||
1787 | /* Remove neighbor from BGP. */ | |
2853fed6 | 1788 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, |
1a98c087 MK |
1789 | ZEBRA_MAC_TYPE_GW); |
1790 | ||
1791 | /* Delete this neighbor entry. */ | |
1792 | zvni_neigh_del(zvni, n); | |
1793 | ||
1794 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1795 | if (mac) |
1796 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1797 | |
1798 | return 0; | |
1799 | } | |
1800 | ||
1801 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1802 | void *ctxt) |
1a98c087 MK |
1803 | { |
1804 | zebra_vni_t *zvni = NULL; | |
1805 | struct zebra_if *zif = NULL; | |
1806 | struct zebra_l2info_vxlan zl2_info; | |
1807 | struct interface *vlan_if = NULL; | |
1808 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1809 | struct interface *ifp; |
1a98c087 MK |
1810 | |
1811 | /* Add primary SVI MAC*/ | |
1812 | zvni = (zebra_vni_t *)backet->data; | |
1813 | if (!zvni) | |
1814 | return; | |
1815 | ||
b5ebdc9b | 1816 | ifp = zvni->vxlan_if; |
1817 | if (!ifp) | |
1818 | return; | |
1819 | zif = ifp->info; | |
1820 | ||
1821 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1822 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1823 | return; |
1824 | ||
1a98c087 MK |
1825 | zl2_info = zif->l2info.vxl; |
1826 | ||
2853fed6 | 1827 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); |
1a98c087 MK |
1828 | if (!vlan_if) |
1829 | return; | |
1830 | ||
1831 | /* Del primary MAC-IP */ | |
1832 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1833 | ||
1834 | /* Del VRR MAC-IP - if any*/ | |
1835 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1836 | if (vrr_if) | |
1837 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1838 | ||
1839 | return; | |
1840 | } | |
1841 | ||
1842 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1843 | void *ctxt) |
1a98c087 MK |
1844 | { |
1845 | zebra_vni_t *zvni = NULL; | |
1846 | struct zebra_if *zif = NULL; | |
1847 | struct zebra_l2info_vxlan zl2_info; | |
1848 | struct interface *vlan_if = NULL; | |
1849 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1850 | struct interface *ifp = NULL; |
1a98c087 MK |
1851 | |
1852 | zvni = (zebra_vni_t *)backet->data; | |
1853 | if (!zvni) | |
1854 | return; | |
1855 | ||
2853fed6 | 1856 | if (!advertise_gw_macip_enabled(zvni)) |
1a98c087 MK |
1857 | return; |
1858 | ||
b5ebdc9b | 1859 | ifp = zvni->vxlan_if; |
1860 | if (!ifp) | |
1861 | return; | |
1862 | zif = ifp->info; | |
1863 | ||
1864 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1865 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1866 | return; |
1a98c087 MK |
1867 | zl2_info = zif->l2info.vxl; |
1868 | ||
2853fed6 | 1869 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
1870 | zif->brslave_info.br_if); |
1871 | if (!vlan_if) | |
1872 | return; | |
1873 | ||
1a98c087 MK |
1874 | /* Add primary SVI MAC-IP */ |
1875 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1876 | ||
1877 | /* Add VRR MAC-IP - if any*/ | |
1878 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1879 | if (vrr_if) | |
1880 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1881 | ||
1882 | return; | |
1883 | } | |
1884 | ||
2232a77c | 1885 | /* |
1886 | * Make hash key for MAC. | |
1887 | */ | |
d62a17ae | 1888 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 1889 | { |
d62a17ae | 1890 | zebra_mac_t *pmac = p; |
25331def DS |
1891 | const void *pnt = (void *)pmac->macaddr.octet; |
1892 | ||
ff8b7eb8 | 1893 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 1894 | } |
13d60d35 | 1895 | |
2232a77c | 1896 | /* |
1897 | * Compare two MAC addresses. | |
1898 | */ | |
d62a17ae | 1899 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 1900 | { |
d62a17ae | 1901 | const zebra_mac_t *pmac1 = p1; |
1902 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 1903 | |
d62a17ae | 1904 | if (pmac1 == NULL && pmac2 == NULL) |
1905 | return 1; | |
2232a77c | 1906 | |
d62a17ae | 1907 | if (pmac1 == NULL || pmac2 == NULL) |
1908 | return 0; | |
2232a77c | 1909 | |
d62a17ae | 1910 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, |
ff8b7eb8 | 1911 | ETH_ALEN) |
d62a17ae | 1912 | == 0); |
2232a77c | 1913 | } |
1914 | ||
1915 | /* | |
1916 | * Callback to allocate MAC hash entry. | |
1917 | */ | |
d62a17ae | 1918 | static void *zvni_mac_alloc(void *p) |
2232a77c | 1919 | { |
d62a17ae | 1920 | const zebra_mac_t *tmp_mac = p; |
1921 | zebra_mac_t *mac; | |
2232a77c | 1922 | |
d62a17ae | 1923 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
1924 | *mac = *tmp_mac; | |
2232a77c | 1925 | |
d62a17ae | 1926 | return ((void *)mac); |
2232a77c | 1927 | } |
1928 | ||
1929 | /* | |
1930 | * Add MAC entry. | |
1931 | */ | |
d62a17ae | 1932 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 1933 | { |
d62a17ae | 1934 | zebra_mac_t tmp_mac; |
1935 | zebra_mac_t *mac = NULL; | |
2232a77c | 1936 | |
d62a17ae | 1937 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 1938 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 1939 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
1940 | assert(mac); | |
2232a77c | 1941 | |
b6938a74 MK |
1942 | mac->neigh_list = list_new(); |
1943 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
1944 | ||
d62a17ae | 1945 | return mac; |
2232a77c | 1946 | } |
1947 | ||
1948 | /* | |
1949 | * Delete MAC entry. | |
1950 | */ | |
d62a17ae | 1951 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 1952 | { |
d62a17ae | 1953 | zebra_mac_t *tmp_mac; |
2232a77c | 1954 | |
affe9e99 | 1955 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 1956 | |
d62a17ae | 1957 | /* Free the VNI hash entry and allocated memory. */ |
1958 | tmp_mac = hash_release(zvni->mac_table, mac); | |
1959 | if (tmp_mac) | |
1960 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 1961 | |
d62a17ae | 1962 | return 0; |
2232a77c | 1963 | } |
1964 | ||
1965 | /* | |
1966 | * Free MAC hash entry (callback) | |
1967 | */ | |
d62a17ae | 1968 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 1969 | { |
d62a17ae | 1970 | struct mac_walk_ctx *wctx = arg; |
1971 | zebra_mac_t *mac = backet->data; | |
1972 | u_char sticky = 0; | |
2232a77c | 1973 | |
d62a17ae | 1974 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
1975 | || ((wctx->flags & DEL_REMOTE_MAC) | |
1976 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
1977 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
1978 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
1979 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
1980 | &wctx->r_vtep_ip))) { | |
1981 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
1982 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 | |
1983 | : 0; | |
1a98c087 | 1984 | zvni_mac_send_del_to_client( |
2853fed6 | 1985 | wctx->zvni->vni, &mac->macaddr, |
1a98c087 | 1986 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); |
d62a17ae | 1987 | } |
2232a77c | 1988 | |
d62a17ae | 1989 | if (wctx->uninstall) |
1990 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 1991 | |
d62a17ae | 1992 | return zvni_mac_del(wctx->zvni, mac); |
1993 | } | |
2232a77c | 1994 | |
d62a17ae | 1995 | return 0; |
2232a77c | 1996 | } |
1997 | ||
1998 | /* | |
1999 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2000 | */ | |
d62a17ae | 2001 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2002 | struct in_addr *r_vtep_ip) | |
2232a77c | 2003 | { |
d62a17ae | 2004 | struct mac_walk_ctx wctx; |
2232a77c | 2005 | |
d62a17ae | 2006 | if (!zvni->mac_table) |
2007 | return; | |
2232a77c | 2008 | |
d62a17ae | 2009 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2010 | wctx.zvni = zvni; | |
2011 | wctx.uninstall = uninstall; | |
2012 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2013 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2014 | |
9d303b37 DL |
2015 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2016 | void *))zvni_mac_del_hash_entry, | |
2017 | &wctx); | |
2232a77c | 2018 | } |
2019 | ||
2020 | /* | |
2021 | * Delete all MAC entries for this VNI. | |
2022 | */ | |
2853fed6 | 2023 | static void zvni_mac_del_all(zebra_vni_t *zvni, |
d62a17ae | 2024 | int uninstall, int upd_client, u_int32_t flags) |
2232a77c | 2025 | { |
d62a17ae | 2026 | struct mac_walk_ctx wctx; |
2232a77c | 2027 | |
d62a17ae | 2028 | if (!zvni->mac_table) |
2029 | return; | |
2232a77c | 2030 | |
d62a17ae | 2031 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2032 | wctx.zvni = zvni; | |
d62a17ae | 2033 | wctx.uninstall = uninstall; |
2034 | wctx.upd_client = upd_client; | |
2035 | wctx.flags = flags; | |
2232a77c | 2036 | |
9d303b37 DL |
2037 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2038 | void *))zvni_mac_del_hash_entry, | |
2039 | &wctx); | |
2232a77c | 2040 | } |
2041 | ||
2042 | /* | |
2043 | * Look up MAC hash entry. | |
2044 | */ | |
d62a17ae | 2045 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2046 | { |
d62a17ae | 2047 | zebra_mac_t tmp; |
2048 | zebra_mac_t *pmac; | |
2232a77c | 2049 | |
d62a17ae | 2050 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2051 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2052 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2053 | |
d62a17ae | 2054 | return pmac; |
2232a77c | 2055 | } |
2056 | ||
2057 | /* | |
2058 | * Inform BGP about local MAC addition. | |
2059 | */ | |
2853fed6 | 2060 | static int zvni_mac_send_add_to_client(vni_t vni, |
1a98c087 | 2061 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 2062 | { |
2853fed6 | 2063 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2064 | ZEBRA_MACIP_ADD); |
2232a77c | 2065 | } |
2066 | ||
2067 | /* | |
2068 | * Inform BGP about local MAC deletion. | |
2069 | */ | |
2853fed6 | 2070 | static int zvni_mac_send_del_to_client(vni_t vni, |
1a98c087 | 2071 | struct ethaddr *macaddr, u_char flags) |
2232a77c | 2072 | { |
2853fed6 | 2073 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2074 | ZEBRA_MACIP_DEL); |
2232a77c | 2075 | } |
2076 | ||
2077 | /* | |
2078 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2079 | * notifications, to see if they are of interest. |
2232a77c | 2080 | */ |
d62a17ae | 2081 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2082 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2083 | { |
2853fed6 | 2084 | struct zebra_ns *zns; |
2085 | struct route_node *rn; | |
2086 | struct interface *tmp_if = NULL; | |
d62a17ae | 2087 | struct zebra_if *zif; |
2088 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2089 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2090 | u_char bridge_vlan_aware; |
2091 | zebra_vni_t *zvni; | |
2853fed6 | 2092 | int found = 0; |
2232a77c | 2093 | |
d62a17ae | 2094 | /* Determine if bridge is VLAN-aware or not */ |
2095 | zif = br_if->info; | |
2096 | assert(zif); | |
2097 | br = &zif->l2info.br; | |
2098 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2099 | |
d62a17ae | 2100 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2101 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2102 | zns = zebra_ns_lookup(NS_DEFAULT); |
2103 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2104 | tmp_if = (struct interface *)rn->info; | |
2105 | if (!tmp_if) | |
2106 | continue; | |
d62a17ae | 2107 | zif = tmp_if->info; |
2108 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2109 | continue; | |
2110 | if (!if_is_operative(tmp_if)) | |
2111 | continue; | |
2112 | vxl = &zif->l2info.vxl; | |
2232a77c | 2113 | |
d62a17ae | 2114 | if (zif->brslave_info.br_if != br_if) |
2115 | continue; | |
2232a77c | 2116 | |
2853fed6 | 2117 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2118 | found = 1; | |
d62a17ae | 2119 | break; |
2853fed6 | 2120 | } |
d62a17ae | 2121 | } |
2232a77c | 2122 | |
2853fed6 | 2123 | if (!found) |
d62a17ae | 2124 | return NULL; |
2232a77c | 2125 | |
2853fed6 | 2126 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2127 | return zvni; |
2232a77c | 2128 | } |
2129 | ||
2130 | /* | |
2131 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2132 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2133 | */ |
b7cfce93 MK |
2134 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2135 | struct interface *br_if) | |
d62a17ae | 2136 | { |
2853fed6 | 2137 | struct zebra_ns *zns; |
2138 | struct route_node *rn; | |
2139 | struct interface *tmp_if = NULL; | |
d62a17ae | 2140 | struct zebra_if *zif; |
2141 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2142 | struct zebra_l2info_vxlan *vxl = NULL; |
d62a17ae | 2143 | u_char bridge_vlan_aware; |
2144 | vlanid_t vid = 0; | |
2145 | zebra_vni_t *zvni; | |
2853fed6 | 2146 | int found = 0; |
d62a17ae | 2147 | |
71349e03 MK |
2148 | if (!br_if) |
2149 | return NULL; | |
2150 | ||
d62a17ae | 2151 | /* Make sure the linked interface is a bridge. */ |
2152 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2153 | return NULL; | |
2154 | ||
d62a17ae | 2155 | /* Determine if bridge is VLAN-aware or not */ |
2156 | zif = br_if->info; | |
2157 | assert(zif); | |
2158 | br = &zif->l2info.br; | |
2159 | bridge_vlan_aware = br->vlan_aware; | |
2160 | if (bridge_vlan_aware) { | |
2161 | struct zebra_l2info_vlan *vl; | |
2162 | ||
2163 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2164 | return NULL; | |
2165 | ||
2166 | zif = ifp->info; | |
2167 | assert(zif); | |
2168 | vl = &zif->l2info.vl; | |
2169 | vid = vl->vid; | |
2170 | } | |
2171 | ||
2172 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2173 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2174 | zns = zebra_ns_lookup(NS_DEFAULT); |
2175 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2176 | tmp_if = (struct interface *)rn->info; | |
2177 | if (!tmp_if) | |
2178 | continue; | |
d62a17ae | 2179 | zif = tmp_if->info; |
2180 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2181 | continue; | |
2182 | if (!if_is_operative(tmp_if)) | |
2183 | continue; | |
2184 | vxl = &zif->l2info.vxl; | |
2185 | ||
2186 | if (zif->brslave_info.br_if != br_if) | |
2187 | continue; | |
2188 | ||
2853fed6 | 2189 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2190 | found = 1; | |
d62a17ae | 2191 | break; |
2853fed6 | 2192 | } |
d62a17ae | 2193 | } |
2194 | ||
2853fed6 | 2195 | if (!found) |
d62a17ae | 2196 | return NULL; |
2197 | ||
2853fed6 | 2198 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2199 | return zvni; |
2232a77c | 2200 | } |
2201 | ||
2202 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2203 | * of two cases: | |
2204 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2205 | * linked to the bridge | |
2206 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2207 | * itself | |
2208 | */ | |
2853fed6 | 2209 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2210 | { |
2853fed6 | 2211 | struct zebra_ns *zns; |
2212 | struct route_node *rn; | |
2213 | struct interface *tmp_if = NULL; | |
d62a17ae | 2214 | struct zebra_if *zif; |
2215 | struct zebra_l2info_bridge *br; | |
2216 | struct zebra_l2info_vlan *vl; | |
2217 | u_char bridge_vlan_aware; | |
2853fed6 | 2218 | int found = 0; |
d62a17ae | 2219 | |
b5ebdc9b | 2220 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2221 | if (!br_if) | |
2222 | return NULL; | |
2223 | ||
d62a17ae | 2224 | /* Determine if bridge is VLAN-aware or not */ |
2225 | zif = br_if->info; | |
2226 | assert(zif); | |
2227 | br = &zif->l2info.br; | |
2228 | bridge_vlan_aware = br->vlan_aware; | |
2229 | ||
2230 | /* Check oper status of the SVI. */ | |
2231 | if (!bridge_vlan_aware) | |
2232 | return if_is_operative(br_if) ? br_if : NULL; | |
2233 | ||
2234 | /* Identify corresponding VLAN interface. */ | |
2235 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2236 | zns = zebra_ns_lookup(NS_DEFAULT); |
2237 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2238 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2239 | /* Check oper status of the SVI. */ |
2853fed6 | 2240 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2241 | continue; |
2242 | zif = tmp_if->info; | |
2243 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2244 | || zif->link != br_if) | |
2245 | continue; | |
2246 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2247 | ||
2853fed6 | 2248 | if (vl->vid == vid) { |
2249 | found = 1; | |
d62a17ae | 2250 | break; |
2853fed6 | 2251 | } |
d62a17ae | 2252 | } |
2253 | ||
2853fed6 | 2254 | return found ? tmp_if : NULL; |
2232a77c | 2255 | } |
2256 | ||
2257 | /* | |
2258 | * Install remote MAC into the kernel. | |
2259 | */ | |
d62a17ae | 2260 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2261 | { |
d62a17ae | 2262 | struct zebra_if *zif; |
2263 | struct zebra_l2info_vxlan *vxl; | |
2264 | u_char sticky; | |
2232a77c | 2265 | |
d62a17ae | 2266 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2267 | return 0; | |
2232a77c | 2268 | |
d62a17ae | 2269 | zif = zvni->vxlan_if->info; |
2270 | if (!zif) | |
2271 | return -1; | |
2272 | vxl = &zif->l2info.vxl; | |
2232a77c | 2273 | |
d62a17ae | 2274 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 2275 | |
d62a17ae | 2276 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2277 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2278 | } |
2279 | ||
2280 | /* | |
2281 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2282 | * moves to remote, we have to uninstall any existing local entry first. | |
2283 | */ | |
d62a17ae | 2284 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2285 | { |
d62a17ae | 2286 | struct zebra_if *zif; |
2287 | struct zebra_l2info_vxlan *vxl; | |
2288 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2289 | struct zebra_ns *zns; | |
2290 | struct interface *ifp; | |
2232a77c | 2291 | |
d62a17ae | 2292 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2293 | return 0; | |
2232a77c | 2294 | |
d62a17ae | 2295 | if (!zvni->vxlan_if) { |
2296 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2297 | zvni->vni, zvni); | |
2298 | return -1; | |
2299 | } | |
2232a77c | 2300 | |
d62a17ae | 2301 | zif = zvni->vxlan_if->info; |
2302 | if (!zif) | |
2303 | return -1; | |
2304 | vxl = &zif->l2info.vxl; | |
2232a77c | 2305 | |
d62a17ae | 2306 | if (local) { |
2307 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2308 | ifp = if_lookup_by_index_per_ns(zns, | |
2309 | mac->fwd_info.local.ifindex); | |
2310 | if (!ifp) // unexpected | |
2311 | return -1; | |
2312 | } else { | |
2313 | ifp = zvni->vxlan_if; | |
2314 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2315 | } | |
2232a77c | 2316 | |
d62a17ae | 2317 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2318 | local); | |
2232a77c | 2319 | } |
2320 | ||
2321 | /* | |
2322 | * Install MAC hash entry - called upon access VLAN change. | |
2323 | */ | |
d62a17ae | 2324 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2325 | { |
d62a17ae | 2326 | zebra_mac_t *mac; |
2327 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2328 | |
d62a17ae | 2329 | mac = (zebra_mac_t *)backet->data; |
2330 | if (!mac) | |
2331 | return; | |
2232a77c | 2332 | |
d62a17ae | 2333 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2334 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2335 | } |
2336 | ||
2337 | /* | |
2338 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2339 | * appropriate. | |
2340 | */ | |
d62a17ae | 2341 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2342 | int uninstall) | |
2232a77c | 2343 | { |
60466a63 QY |
2344 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2345 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2346 | return; |
2232a77c | 2347 | |
d62a17ae | 2348 | if (uninstall) |
2349 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2350 | |
d62a17ae | 2351 | zvni_mac_del(zvni, mac); |
2232a77c | 2352 | } |
2353 | ||
2354 | /* | |
2355 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2356 | */ | |
2853fed6 | 2357 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, |
d62a17ae | 2358 | struct interface *ifp) |
2232a77c | 2359 | { |
2853fed6 | 2360 | struct zebra_ns *zns; |
d62a17ae | 2361 | struct zebra_if *zif; |
2362 | struct interface *vlan_if; | |
2363 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2364 | struct interface *vrr_if; |
2232a77c | 2365 | |
d62a17ae | 2366 | zif = ifp->info; |
2367 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2368 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2369 | |
d62a17ae | 2370 | if (IS_ZEBRA_DEBUG_VXLAN) |
2371 | zlog_debug( | |
2853fed6 | 2372 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2373 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2374 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2375 | |
2853fed6 | 2376 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2377 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2378 | if (vlan_if) { |
2379 | ||
2853fed6 | 2380 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
2381 | /* Add SVI MAC-IP */ |
2382 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2383 | ||
2384 | /* Add VRR MAC-IP - if any*/ | |
2385 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2386 | if (vrr_if) | |
2387 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2388 | } | |
2389 | ||
2853fed6 | 2390 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2391 | } |
2232a77c | 2392 | } |
2393 | ||
2394 | /* | |
2395 | * Hash function for VNI. | |
2396 | */ | |
d62a17ae | 2397 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2398 | { |
d62a17ae | 2399 | const zebra_vni_t *zvni = p; |
2232a77c | 2400 | |
d62a17ae | 2401 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2402 | } |
2403 | ||
2404 | /* | |
2405 | * Compare 2 VNI hash entries. | |
2406 | */ | |
d62a17ae | 2407 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2408 | { |
d62a17ae | 2409 | const zebra_vni_t *zvni1 = p1; |
2410 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2411 | |
d62a17ae | 2412 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2413 | } |
2414 | ||
2415 | /* | |
2416 | * Callback to allocate VNI hash entry. | |
2417 | */ | |
d62a17ae | 2418 | static void *zvni_alloc(void *p) |
2232a77c | 2419 | { |
d62a17ae | 2420 | const zebra_vni_t *tmp_vni = p; |
2421 | zebra_vni_t *zvni; | |
2232a77c | 2422 | |
d62a17ae | 2423 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2424 | zvni->vni = tmp_vni->vni; | |
2425 | return ((void *)zvni); | |
2232a77c | 2426 | } |
2427 | ||
2428 | /* | |
2429 | * Look up VNI hash entry. | |
2430 | */ | |
2853fed6 | 2431 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2432 | { |
2853fed6 | 2433 | struct zebra_vrf *zvrf; |
d62a17ae | 2434 | zebra_vni_t tmp_vni; |
2435 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2436 | |
2853fed6 | 2437 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2438 | assert(zvrf); | |
d62a17ae | 2439 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2440 | tmp_vni.vni = vni; | |
2441 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2442 | |
d62a17ae | 2443 | return zvni; |
2232a77c | 2444 | } |
2445 | ||
2446 | /* | |
2447 | * Add VNI hash entry. | |
2448 | */ | |
2853fed6 | 2449 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2450 | { |
2853fed6 | 2451 | struct zebra_vrf *zvrf; |
d62a17ae | 2452 | zebra_vni_t tmp_zvni; |
2453 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2454 | |
2853fed6 | 2455 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2456 | assert(zvrf); | |
d62a17ae | 2457 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2458 | tmp_zvni.vni = vni; | |
2459 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2460 | assert(zvni); | |
2232a77c | 2461 | |
d62a17ae | 2462 | /* Create hash table for MAC */ |
2463 | zvni->mac_table = | |
2464 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2465 | |
d62a17ae | 2466 | /* Create hash table for neighbors */ |
2467 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2468 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2469 | |
d62a17ae | 2470 | return zvni; |
2232a77c | 2471 | } |
2472 | ||
2473 | /* | |
2474 | * Delete VNI hash entry. | |
2475 | */ | |
2853fed6 | 2476 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2477 | { |
2853fed6 | 2478 | struct zebra_vrf *zvrf; |
d62a17ae | 2479 | zebra_vni_t *tmp_zvni; |
2232a77c | 2480 | |
2853fed6 | 2481 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2482 | assert(zvrf); | |
2483 | ||
d62a17ae | 2484 | zvni->vxlan_if = NULL; |
2232a77c | 2485 | |
d62a17ae | 2486 | /* Free the neighbor hash table. */ |
2487 | hash_free(zvni->neigh_table); | |
2488 | zvni->neigh_table = NULL; | |
2232a77c | 2489 | |
d62a17ae | 2490 | /* Free the MAC hash table. */ |
2491 | hash_free(zvni->mac_table); | |
2492 | zvni->mac_table = NULL; | |
2232a77c | 2493 | |
d62a17ae | 2494 | /* Free the VNI hash entry and allocated memory. */ |
2495 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2496 | if (tmp_zvni) | |
2497 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2498 | |
d62a17ae | 2499 | return 0; |
2232a77c | 2500 | } |
2501 | ||
2502 | /* | |
2503 | * Inform BGP about local VNI addition. | |
2504 | */ | |
2853fed6 | 2505 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2506 | { |
d62a17ae | 2507 | struct zserv *client; |
2508 | struct stream *s; | |
2232a77c | 2509 | |
019a82cb | 2510 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2511 | /* BGP may not be running. */ |
2512 | if (!client) | |
2513 | return 0; | |
2232a77c | 2514 | |
d62a17ae | 2515 | s = client->obuf; |
2516 | stream_reset(s); | |
2232a77c | 2517 | |
2853fed6 | 2518 | zserv_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2519 | stream_putl(s, zvni->vni); |
2520 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2521 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2522 | |
d62a17ae | 2523 | /* Write packet size. */ |
2524 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2525 | |
d62a17ae | 2526 | if (IS_ZEBRA_DEBUG_VXLAN) |
b7cfce93 | 2527 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", |
d62a17ae | 2528 | zvni->vni, inet_ntoa(zvni->local_vtep_ip), |
b7cfce93 | 2529 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2530 | zebra_route_string(client->proto)); |
2232a77c | 2531 | |
d62a17ae | 2532 | client->vniadd_cnt++; |
2533 | return zebra_server_send_message(client); | |
2232a77c | 2534 | } |
2535 | ||
2536 | /* | |
2537 | * Inform BGP about local VNI deletion. | |
2538 | */ | |
2853fed6 | 2539 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2540 | { |
d62a17ae | 2541 | struct zserv *client; |
2542 | struct stream *s; | |
2232a77c | 2543 | |
019a82cb | 2544 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2545 | /* BGP may not be running. */ |
2546 | if (!client) | |
2547 | return 0; | |
2232a77c | 2548 | |
d62a17ae | 2549 | s = client->obuf; |
2550 | stream_reset(s); | |
2232a77c | 2551 | |
2853fed6 | 2552 | zserv_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2553 | stream_putl(s, vni); |
2232a77c | 2554 | |
d62a17ae | 2555 | /* Write packet size. */ |
2556 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2557 | |
d62a17ae | 2558 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2559 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2560 | zebra_route_string(client->proto)); |
2232a77c | 2561 | |
d62a17ae | 2562 | client->vnidel_cnt++; |
2563 | return zebra_server_send_message(client); | |
2232a77c | 2564 | } |
2565 | ||
2566 | /* | |
2567 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2568 | * is called when EVPN (advertise-all-vni) is enabled. | |
2569 | */ | |
2853fed6 | 2570 | static void zvni_build_hash_table() |
2232a77c | 2571 | { |
2853fed6 | 2572 | struct zebra_ns *zns; |
2573 | struct route_node *rn; | |
d62a17ae | 2574 | struct interface *ifp; |
2232a77c | 2575 | |
d62a17ae | 2576 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2577 | zns = zebra_ns_lookup(NS_DEFAULT); |
2578 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2579 | vni_t vni; |
d62a17ae | 2580 | struct zebra_if *zif; |
2581 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2582 | |
2853fed6 | 2583 | ifp = (struct interface *)rn->info; |
2584 | if (!ifp) | |
2585 | continue; | |
d62a17ae | 2586 | zif = ifp->info; |
2587 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2588 | continue; | |
2232a77c | 2589 | |
b7cfce93 | 2590 | vxl = &zif->l2info.vxl; |
d62a17ae | 2591 | vni = vxl->vni; |
2232a77c | 2592 | |
b7cfce93 MK |
2593 | if (is_vni_l3(vni)) { |
2594 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 2595 | |
b7cfce93 MK |
2596 | if (IS_ZEBRA_DEBUG_VXLAN) |
2597 | zlog_debug("create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2598 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2599 | |
b7cfce93 MK |
2600 | zl3vni = zl3vni_lookup(vni); |
2601 | if (!zl3vni) { | |
2602 | zlog_err( | |
2603 | "Failed to locate L3-VNI hash at UP, IF %s(%u) VNI %u", | |
2604 | ifp->name, ifp->ifindex, vni); | |
2605 | return; | |
2606 | } | |
2232a77c | 2607 | |
b7cfce93 MK |
2608 | /* associate with vxlan_if */ |
2609 | zl3vni->vxlan_if = ifp; | |
2232a77c | 2610 | |
b7cfce93 MK |
2611 | /* we need to associate with SVI. |
2612 | * we can associate with svi-if only after association | |
2613 | * with vxlan-intf is complete */ | |
2614 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
2615 | ||
2616 | if (is_l3vni_oper_up(zl3vni)) | |
2617 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2618 | ||
2619 | } else { | |
2620 | zebra_vni_t *zvni = NULL; | |
2621 | zebra_l3vni_t *zl3vni = NULL; | |
2622 | struct interface *vlan_if = NULL; | |
2623 | ||
2624 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2625 | zlog_debug( | |
2626 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2627 | ifp->name, ifp->ifindex, vni, | |
2628 | inet_ntoa(vxl->vtep_ip)); | |
2629 | ||
2630 | /* VNI hash entry is not expected to exist. */ | |
2631 | zvni = zvni_lookup(vni); | |
2632 | if (zvni) { | |
2633 | zlog_err( | |
2634 | "VNI hash already present for IF %s(%u) L2-VNI %u", | |
2635 | ifp->name, ifp->ifindex, vni); | |
2636 | continue; | |
2637 | } | |
2638 | ||
2639 | zvni = zvni_add(vni); | |
2640 | if (!zvni) { | |
2641 | zlog_err( | |
2642 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", | |
2643 | ifp->name, ifp->ifindex, vni); | |
2644 | return; | |
2645 | } | |
2646 | ||
2647 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2648 | zvni->vxlan_if = ifp; | |
2649 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2650 | zif->brslave_info.br_if); | |
2651 | if (vlan_if) { | |
2652 | zvni->vrf_id = vlan_if->vrf_id; | |
2653 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2654 | if (zl3vni) | |
2655 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2656 | } | |
2657 | ||
2658 | ||
2659 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2660 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2661 | zvni_send_add_to_client(zvni); | |
2662 | } | |
d62a17ae | 2663 | } |
2232a77c | 2664 | } |
2665 | ||
2666 | /* | |
2667 | * See if remote VTEP matches with prefix. | |
2668 | */ | |
d62a17ae | 2669 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2670 | { |
d62a17ae | 2671 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2672 | } |
2673 | ||
2674 | /* | |
2675 | * Locate remote VTEP in VNI hash table. | |
2676 | */ | |
d62a17ae | 2677 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2678 | { |
d62a17ae | 2679 | zebra_vtep_t *zvtep; |
2232a77c | 2680 | |
d62a17ae | 2681 | if (!zvni) |
2682 | return NULL; | |
2232a77c | 2683 | |
d62a17ae | 2684 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2685 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2686 | break; | |
2687 | } | |
2232a77c | 2688 | |
d62a17ae | 2689 | return zvtep; |
2232a77c | 2690 | } |
2691 | ||
2692 | /* | |
2693 | * Add remote VTEP to VNI hash table. | |
2694 | */ | |
d62a17ae | 2695 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2696 | { |
d62a17ae | 2697 | zebra_vtep_t *zvtep; |
2232a77c | 2698 | |
d62a17ae | 2699 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2700 | if (!zvtep) { | |
2701 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2702 | return NULL; | |
2703 | } | |
2232a77c | 2704 | |
d62a17ae | 2705 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2706 | |
d62a17ae | 2707 | if (zvni->vteps) |
2708 | zvni->vteps->prev = zvtep; | |
2709 | zvtep->next = zvni->vteps; | |
2710 | zvni->vteps = zvtep; | |
2232a77c | 2711 | |
d62a17ae | 2712 | return zvtep; |
2232a77c | 2713 | } |
2714 | ||
2715 | /* | |
2716 | * Remove remote VTEP from VNI hash table. | |
2717 | */ | |
d62a17ae | 2718 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2719 | { |
d62a17ae | 2720 | if (zvtep->next) |
2721 | zvtep->next->prev = zvtep->prev; | |
2722 | if (zvtep->prev) | |
2723 | zvtep->prev->next = zvtep->next; | |
2724 | else | |
2725 | zvni->vteps = zvtep->next; | |
2232a77c | 2726 | |
d62a17ae | 2727 | zvtep->prev = zvtep->next = NULL; |
2728 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2729 | |
d62a17ae | 2730 | return 0; |
2232a77c | 2731 | } |
2732 | ||
2733 | /* | |
2734 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2735 | * uninstall from kernel if asked to. | |
2736 | */ | |
d62a17ae | 2737 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2738 | { |
d62a17ae | 2739 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2740 | |
d62a17ae | 2741 | if (!zvni) |
2742 | return -1; | |
2232a77c | 2743 | |
d62a17ae | 2744 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2745 | zvtep_next = zvtep->next; | |
2746 | if (uninstall) | |
2747 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2748 | zvni_vtep_del(zvni, zvtep); | |
2749 | } | |
2232a77c | 2750 | |
d62a17ae | 2751 | return 0; |
2232a77c | 2752 | } |
2753 | ||
2754 | /* | |
2755 | * Install remote VTEP into the kernel. | |
2756 | */ | |
d62a17ae | 2757 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2758 | { |
d62a17ae | 2759 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2760 | } |
2761 | ||
2762 | /* | |
2763 | * Uninstall remote VTEP from the kernel. | |
2764 | */ | |
d62a17ae | 2765 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2766 | { |
d62a17ae | 2767 | if (!zvni->vxlan_if) { |
2768 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2769 | zvni->vni, zvni); | |
2770 | return -1; | |
2771 | } | |
2232a77c | 2772 | |
d62a17ae | 2773 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2774 | } |
2775 | ||
2776 | /* | |
2777 | * Cleanup VNI/VTEP and update kernel | |
2778 | */ | |
d62a17ae | 2779 | static void zvni_cleanup_all(struct hash_backet *backet, void *zvrf) |
2232a77c | 2780 | { |
b7cfce93 MK |
2781 | zebra_vni_t *zvni = NULL; |
2782 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 2783 | |
d62a17ae | 2784 | zvni = (zebra_vni_t *)backet->data; |
2785 | if (!zvni) | |
2786 | return; | |
2232a77c | 2787 | |
b7cfce93 MK |
2788 | /* remove from l3-vni list */ |
2789 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
2790 | if (zl3vni) | |
2791 | listnode_delete(zl3vni->l2vnis, zvni); | |
2792 | ||
d62a17ae | 2793 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 2794 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
2795 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 2796 | |
d62a17ae | 2797 | /* Free up all remote VTEPs, if any. */ |
2798 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 2799 | |
d62a17ae | 2800 | /* Delete the hash entry. */ |
2853fed6 | 2801 | zvni_del(zvni); |
2232a77c | 2802 | } |
2803 | ||
6134fd82 | 2804 | static int is_host_present_in_host_list(struct list *list, |
2805 | struct prefix *host) | |
2806 | { | |
2807 | struct listnode *node = NULL; | |
2808 | struct prefix *p = NULL; | |
2809 | ||
2810 | for (ALL_LIST_ELEMENTS_RO(list, node, p)) { | |
2811 | if (prefix_same(p, host)) | |
2812 | return 1; | |
2813 | } | |
2814 | return 0; | |
2815 | } | |
2816 | ||
2817 | static void host_list_add_host(struct list *list, | |
2818 | struct prefix *host) | |
2819 | { | |
2820 | struct prefix *p = NULL; | |
2821 | ||
2822 | p = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct prefix)); | |
2823 | memcpy(p, host, sizeof(struct prefix)); | |
2824 | ||
2825 | listnode_add_sort(list, p); | |
2826 | } | |
2827 | ||
2828 | static void host_list_delete_host(struct list *list, | |
2829 | struct prefix *host) | |
2830 | { | |
2831 | struct listnode *node = NULL, *nnode = NULL, *node_to_del = NULL; | |
2832 | struct prefix *p = NULL; | |
2833 | ||
2834 | for (ALL_LIST_ELEMENTS(list, node, nnode, p)) { | |
2835 | if (prefix_same(p, host)) { | |
2836 | XFREE(MTYPE_HOST_PREFIX, p); | |
2837 | node_to_del = node; | |
2838 | } | |
2839 | } | |
2840 | ||
2841 | if (node_to_del) | |
2842 | list_delete_node(list, node_to_del); | |
2843 | } | |
2844 | ||
b7cfce93 MK |
2845 | /* |
2846 | * Look up MAC hash entry. | |
2847 | */ | |
2dbad57f | 2848 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2849 | struct ethaddr *rmac) |
2850 | { | |
2851 | zebra_mac_t tmp; | |
2852 | zebra_mac_t *pmac; | |
2853 | ||
2854 | memset(&tmp, 0, sizeof(tmp)); | |
2855 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
2856 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 2857 | |
b7cfce93 | 2858 | return pmac; |
2dbad57f | 2859 | } |
2232a77c | 2860 | |
cec2e17d | 2861 | /* |
b7cfce93 | 2862 | * Callback to allocate RMAC hash entry. |
cec2e17d | 2863 | */ |
2dbad57f | 2864 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 2865 | { |
b7cfce93 MK |
2866 | const zebra_mac_t *tmp_rmac = p; |
2867 | zebra_mac_t *zrmac; | |
d62a17ae | 2868 | |
b7cfce93 MK |
2869 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2870 | *zrmac = *tmp_rmac; | |
d62a17ae | 2871 | |
b7cfce93 | 2872 | return ((void *)zrmac); |
2dbad57f | 2873 | } |
cd233079 | 2874 | |
b7cfce93 MK |
2875 | /* |
2876 | * Add RMAC entry to l3-vni | |
2877 | */ | |
2dbad57f | 2878 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2879 | struct ethaddr *rmac) |
2880 | { | |
2881 | zebra_mac_t tmp_rmac; | |
2882 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 2883 | |
b7cfce93 MK |
2884 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
2885 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
2886 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
2887 | assert(zrmac); | |
d62a17ae | 2888 | |
6134fd82 | 2889 | zrmac->host_list = list_new(); |
2890 | zrmac->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
b7cfce93 | 2891 | |
2dbad57f | 2892 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
2893 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
2894 | ||
b7cfce93 | 2895 | return zrmac; |
2dbad57f | 2896 | } |
cec2e17d | 2897 | |
2898 | /* | |
b7cfce93 | 2899 | * Delete MAC entry. |
cec2e17d | 2900 | */ |
2dbad57f | 2901 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, |
b7cfce93 | 2902 | zebra_mac_t *zrmac) |
cec2e17d | 2903 | { |
b7cfce93 | 2904 | zebra_mac_t *tmp_rmac; |
cd233079 | 2905 | |
55aabf6f MK |
2906 | if (zrmac->host_list) |
2907 | list_delete(zrmac->host_list); | |
2908 | zrmac->host_list = NULL; | |
cd233079 | 2909 | |
b7cfce93 MK |
2910 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
2911 | if (tmp_rmac) | |
2912 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 2913 | |
b7cfce93 | 2914 | return 0; |
2dbad57f | 2915 | } |
cec2e17d | 2916 | |
2917 | /* | |
b7cfce93 | 2918 | * Install remote RMAC into the kernel. |
cec2e17d | 2919 | */ |
2dbad57f | 2920 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, |
b7cfce93 | 2921 | zebra_mac_t *zrmac) |
cec2e17d | 2922 | { |
b7cfce93 MK |
2923 | struct zebra_if *zif = NULL; |
2924 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 2925 | |
b7cfce93 MK |
2926 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) || |
2927 | !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
2928 | return 0; | |
2929 | ||
2930 | zif = zl3vni->vxlan_if->info; | |
2931 | if (!zif) | |
2932 | return -1; | |
2933 | ||
2934 | vxl = &zif->l2info.vxl; | |
2935 | ||
2936 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
2937 | &zrmac->macaddr, | |
2938 | zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 2939 | } |
b7cfce93 MK |
2940 | |
2941 | /* | |
2942 | * Uninstall remote RMAC from the kernel. | |
2943 | */ | |
2dbad57f | 2944 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
2945 | zebra_mac_t *zrmac) |
2946 | { | |
2947 | char buf[ETHER_ADDR_STRLEN]; | |
2948 | struct zebra_if *zif = NULL; | |
2949 | struct zebra_l2info_vxlan *vxl = NULL; | |
2950 | ||
2951 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) || | |
2952 | !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
2953 | return 0; | |
2954 | ||
2955 | if (!zl3vni->vxlan_if) { | |
2956 | zlog_err("RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", | |
2957 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
2958 | zl3vni->vni, zl3vni); | |
2959 | return -1; | |
2960 | } | |
2961 | ||
2962 | zif = zl3vni->vxlan_if->info; | |
2963 | if (!zif) | |
2964 | return -1; | |
2965 | ||
2966 | vxl = &zif->l2info.vxl; | |
2967 | ||
2968 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
2969 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 2970 | } |
2971 | ||
2972 | /* handle rmac add */ | |
6134fd82 | 2973 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, |
2974 | struct ethaddr *rmac, | |
2975 | struct ipaddr *vtep_ip, | |
2976 | struct prefix *host_prefix) | |
2dbad57f | 2977 | { |
2978 | char buf[ETHER_ADDR_STRLEN]; | |
2979 | char buf1[INET6_ADDRSTRLEN]; | |
2980 | zebra_mac_t *zrmac = NULL; | |
2981 | ||
2982 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
2983 | if (!zrmac) { | |
2984 | ||
2985 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
2986 | if (!zrmac) { | |
2987 | zlog_warn( | |
2988 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
2989 | prefix_mac2str(rmac, buf, | |
2990 | sizeof(buf)), | |
2991 | zl3vni->vni, ipaddr2str(vtep_ip, buf1, | |
2992 | sizeof(buf1))); | |
2993 | return -1; | |
2994 | } | |
2995 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
2996 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
2997 | ||
2998 | /* install rmac in kernel */ | |
2999 | zl3vni_rmac_install(zl3vni, zrmac); | |
3000 | } | |
6134fd82 | 3001 | |
3002 | if (!is_host_present_in_host_list(zrmac->host_list, host_prefix)) | |
3003 | host_list_add_host(zrmac->host_list, host_prefix); | |
2dbad57f | 3004 | return 0; |
3005 | } | |
3006 | ||
3007 | ||
3008 | /* handle rmac delete */ | |
6134fd82 | 3009 | static int zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, |
3010 | struct ethaddr *rmac, | |
3011 | struct prefix *host_prefix) | |
2dbad57f | 3012 | { |
3013 | zebra_mac_t *zrmac = NULL; | |
3014 | ||
3015 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3016 | if (!zrmac) | |
3017 | return -1; | |
3018 | ||
6134fd82 | 3019 | host_list_delete_host(zrmac->host_list, host_prefix); |
3020 | if (list_isempty(zrmac->host_list)) { | |
2dbad57f | 3021 | |
3022 | /* uninstall from kernel */ | |
3023 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3024 | ||
3025 | /* del the rmac entry */ | |
3026 | zl3vni_rmac_del(zl3vni, zrmac); | |
3027 | } | |
3028 | return 0; | |
3029 | } | |
b7cfce93 MK |
3030 | |
3031 | /* | |
3032 | * Look up nh hash entry on a l3-vni. | |
3033 | */ | |
2dbad57f | 3034 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3035 | struct ipaddr *ip) |
3036 | { | |
3037 | zebra_neigh_t tmp; | |
3038 | zebra_neigh_t *n; | |
3039 | ||
3040 | memset(&tmp, 0, sizeof(tmp)); | |
3041 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3042 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3043 | ||
3044 | return n; | |
2dbad57f | 3045 | } |
b7cfce93 MK |
3046 | |
3047 | ||
3048 | /* | |
3049 | * Callback to allocate NH hash entry on L3-VNI. | |
3050 | */ | |
2dbad57f | 3051 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3052 | { |
3053 | const zebra_neigh_t *tmp_n = p; | |
3054 | zebra_neigh_t *n; | |
3055 | ||
3056 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3057 | *n = *tmp_n; | |
3058 | ||
3059 | return ((void *)n); | |
2dbad57f | 3060 | } |
b7cfce93 MK |
3061 | |
3062 | /* | |
3063 | * Add neighbor entry. | |
3064 | */ | |
2dbad57f | 3065 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3066 | struct ipaddr *ip, |
3067 | struct ethaddr *mac) | |
3068 | { | |
3069 | zebra_neigh_t tmp_n; | |
3070 | zebra_neigh_t *n = NULL; | |
3071 | ||
3072 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3073 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3074 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3075 | assert(n); | |
3076 | ||
6134fd82 | 3077 | n->host_list = list_new(); |
3078 | n->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
3079 | ||
b7cfce93 | 3080 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3081 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3082 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3083 | |
3084 | return n; | |
2dbad57f | 3085 | } |
b7cfce93 MK |
3086 | |
3087 | /* | |
3088 | * Delete neighbor entry. | |
3089 | */ | |
2dbad57f | 3090 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3091 | zebra_neigh_t *n) |
3092 | { | |
3093 | zebra_neigh_t *tmp_n; | |
3094 | ||
55aabf6f MK |
3095 | if (n->host_list) |
3096 | list_delete(n->host_list); | |
3097 | n->host_list = NULL; | |
3098 | ||
b7cfce93 MK |
3099 | tmp_n = hash_release(zl3vni->nh_table, n); |
3100 | if (tmp_n) | |
3101 | XFREE(MTYPE_NEIGH, tmp_n); | |
3102 | ||
3103 | return 0; | |
2dbad57f | 3104 | } |
b7cfce93 MK |
3105 | |
3106 | /* | |
3107 | * Install remote nh as neigh into the kernel. | |
3108 | */ | |
2dbad57f | 3109 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3110 | zebra_neigh_t *n) |
3111 | { | |
3112 | if (!is_l3vni_oper_up(zl3vni)) | |
3113 | return -1; | |
3114 | ||
3115 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) || | |
3116 | !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
3117 | return 0; | |
3118 | ||
3119 | return kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac); | |
2dbad57f | 3120 | } |
b7cfce93 MK |
3121 | |
3122 | /* | |
3123 | * Uninstall remote nh from the kernel. | |
3124 | */ | |
2dbad57f | 3125 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3126 | zebra_neigh_t *n) |
3127 | { | |
3128 | if (!is_l3vni_oper_up(zl3vni)) | |
3129 | return -1; | |
3130 | ||
3131 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) || | |
3132 | !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
3133 | return 0; | |
3134 | ||
3135 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); | |
2dbad57f | 3136 | } |
3137 | ||
3138 | /* add remote vtep as a neigh entry */ | |
6134fd82 | 3139 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, |
3140 | struct ipaddr *vtep_ip, | |
3141 | struct ethaddr *rmac, | |
3142 | struct prefix *host_prefix) | |
2dbad57f | 3143 | { |
3144 | char buf[ETHER_ADDR_STRLEN]; | |
3145 | char buf1[INET6_ADDRSTRLEN]; | |
3146 | zebra_neigh_t *nh = NULL; | |
3147 | ||
3148 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3149 | if (!nh) { | |
3150 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3151 | if (!nh) { | |
3152 | ||
3153 | zlog_warn( | |
3154 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
3155 | ipaddr2str(vtep_ip, buf1, | |
3156 | sizeof(buf1)), | |
3157 | prefix_mac2str(rmac, buf, | |
3158 | sizeof(buf)), | |
3159 | zl3vni->vni); | |
3160 | return -1; | |
3161 | } | |
3162 | ||
3163 | /* install the nh neigh in kernel */ | |
3164 | zl3vni_nh_install(zl3vni, nh); | |
3165 | } | |
6134fd82 | 3166 | |
3167 | if (!is_host_present_in_host_list(nh->host_list, host_prefix)) | |
3168 | host_list_add_host(nh->host_list, host_prefix); | |
3169 | ||
2dbad57f | 3170 | return 0; |
3171 | } | |
3172 | ||
3173 | /* handle nh neigh delete */ | |
6134fd82 | 3174 | static int zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, |
3175 | struct ipaddr *vtep_ip, | |
3176 | struct prefix *host_prefix) | |
2dbad57f | 3177 | { |
3178 | zebra_neigh_t *nh = NULL; | |
3179 | ||
3180 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3181 | if (!nh) | |
3182 | return -1; | |
3183 | ||
6134fd82 | 3184 | host_list_delete_host(nh->host_list, host_prefix); |
3185 | if (list_isempty(nh->host_list)) { | |
2dbad57f | 3186 | |
3187 | /* uninstall from kernel */ | |
3188 | zl3vni_nh_uninstall(zl3vni, nh); | |
3189 | ||
3190 | /* delete the nh entry */ | |
3191 | zl3vni_nh_del(zl3vni, nh); | |
3192 | } | |
3193 | ||
3194 | return 0; | |
3195 | } | |
b7cfce93 MK |
3196 | |
3197 | /* | |
3198 | * Hash function for L3 VNI. | |
3199 | */ | |
3200 | static unsigned int l3vni_hash_keymake(void *p) | |
3201 | { | |
3202 | const zebra_l3vni_t *zl3vni = p; | |
3203 | ||
3204 | return jhash_1word(zl3vni->vni, 0); | |
3205 | } | |
3206 | ||
3207 | /* | |
3208 | * Compare 2 L3 VNI hash entries. | |
3209 | */ | |
3210 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3211 | { | |
3212 | const zebra_l3vni_t *zl3vni1 = p1; | |
3213 | const zebra_l3vni_t *zl3vni2 = p2; | |
3214 | ||
3215 | return (zl3vni1->vni == zl3vni2->vni); | |
3216 | } | |
3217 | ||
3218 | /* | |
3219 | * Callback to allocate L3 VNI hash entry. | |
3220 | */ | |
3221 | static void *zl3vni_alloc(void *p) | |
3222 | { | |
3223 | zebra_l3vni_t *zl3vni = NULL; | |
3224 | const zebra_l3vni_t *tmp_l3vni = p; | |
3225 | ||
3226 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3227 | zl3vni->vni = tmp_l3vni->vni; | |
3228 | return ((void *)zl3vni); | |
3229 | } | |
3230 | ||
3231 | /* | |
3232 | * Look up L3 VNI hash entry. | |
3233 | */ | |
3234 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3235 | { | |
3236 | struct zebra_ns *zns; | |
3237 | zebra_l3vni_t tmp_l3vni; | |
3238 | zebra_l3vni_t *zl3vni = NULL; | |
3239 | ||
3240 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3241 | assert(zns); | |
3242 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3243 | tmp_l3vni.vni = vni; | |
3244 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3245 | ||
3246 | return zl3vni; | |
3247 | } | |
3248 | ||
3249 | /* | |
3250 | * Add L3 VNI hash entry. | |
3251 | */ | |
3252 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3253 | { | |
3254 | zebra_l3vni_t tmp_zl3vni; | |
3255 | struct zebra_ns *zns = NULL; | |
3256 | zebra_l3vni_t *zl3vni = NULL; | |
3257 | ||
3258 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3259 | assert(zns); | |
3260 | ||
3261 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3262 | tmp_zl3vni.vni = vni; | |
3263 | ||
3264 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3265 | assert(zl3vni); | |
3266 | ||
3267 | zl3vni->vrf_id = vrf_id; | |
3268 | zl3vni->svi_if = NULL; | |
3269 | zl3vni->vxlan_if = NULL; | |
3270 | zl3vni->l2vnis = list_new(); | |
3271 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3272 | ||
3273 | /* Create hash table for remote RMAC */ | |
3274 | zl3vni->rmac_table = | |
3275 | hash_create(mac_hash_keymake, mac_cmp, | |
3276 | "Zebra L3-VNI RMAC-Table"); | |
3277 | ||
3278 | /* Create hash table for neighbors */ | |
3279 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
3280 | "Zebra L3-VNI next-hop table"); | |
3281 | ||
3282 | return zl3vni; | |
3283 | } | |
3284 | ||
3285 | /* | |
3286 | * Delete L3 VNI hash entry. | |
3287 | */ | |
3288 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3289 | { | |
3290 | struct zebra_ns *zns; | |
3291 | zebra_l3vni_t *tmp_zl3vni; | |
3292 | ||
3293 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3294 | assert(zns); | |
3295 | ||
3296 | /* free the list of l2vnis */ | |
3297 | list_delete_and_null(&zl3vni->l2vnis); | |
3298 | zl3vni->l2vnis = NULL; | |
3299 | ||
3300 | /* Free the rmac table */ | |
3301 | hash_free(zl3vni->rmac_table); | |
3302 | zl3vni->rmac_table = NULL; | |
3303 | ||
3304 | /* Free the nh table */ | |
3305 | hash_free(zl3vni->nh_table); | |
3306 | zl3vni->nh_table = NULL; | |
3307 | ||
3308 | /* Free the VNI hash entry and allocated memory. */ | |
3309 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3310 | if (tmp_zl3vni) | |
3311 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3312 | ||
3313 | return 0; | |
3314 | } | |
3315 | ||
3316 | static int is_vni_l3(vni_t vni) | |
3317 | { | |
3318 | zebra_l3vni_t *zl3vni = NULL; | |
3319 | ||
3320 | zl3vni = zl3vni_lookup(vni); | |
3321 | if (zl3vni) | |
3322 | return 1; | |
3323 | return 0; | |
3324 | } | |
3325 | ||
3326 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) | |
3327 | { | |
3328 | struct zebra_ns *zns = NULL; | |
3329 | struct route_node *rn = NULL; | |
3330 | struct interface *ifp = NULL; | |
3331 | ||
3332 | /* loop through all vxlan-interface */ | |
3333 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3334 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3335 | ||
3336 | struct zebra_if *zif = NULL; | |
3337 | struct zebra_l2info_vxlan *vxl = NULL; | |
3338 | ||
3339 | ifp = (struct interface *)rn->info; | |
3340 | if (!ifp) | |
3341 | continue; | |
3342 | ||
3343 | zif = ifp->info; | |
3344 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3345 | continue; | |
3346 | ||
3347 | vxl = &zif->l2info.vxl; | |
3348 | if (vxl->vni == zl3vni->vni) | |
3349 | return ifp; | |
3350 | } | |
3351 | ||
3352 | return NULL; | |
3353 | } | |
3354 | ||
3355 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3356 | { | |
3357 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ | |
3358 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ | |
3359 | ||
3360 | if (!zl3vni->vxlan_if) | |
3361 | return NULL; | |
3362 | ||
3363 | zif = zl3vni->vxlan_if->info; | |
3364 | if (!zif) | |
3365 | return NULL; | |
3366 | ||
3367 | vxl = &zif->l2info.vxl; | |
3368 | ||
3369 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3370 | } | |
3371 | ||
3372 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3373 | { | |
3374 | struct zebra_vrf *zvrf = NULL; | |
3375 | ||
3376 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3377 | if (!zvrf) | |
3378 | return NULL; | |
3379 | ||
3380 | return zl3vni_lookup(zvrf->l3vni); | |
3381 | } | |
3382 | ||
3383 | /* | |
3384 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3385 | * neighbor notifications, to see if they are of interest. | |
3386 | */ | |
3387 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3388 | struct interface *br_if) | |
3389 | { | |
3390 | int found = 0; | |
3391 | vlanid_t vid = 0; | |
3392 | u_char bridge_vlan_aware = 0; | |
3393 | zebra_l3vni_t *zl3vni = NULL; | |
3394 | struct zebra_ns *zns = NULL; | |
3395 | struct route_node *rn = NULL; | |
3396 | struct zebra_if *zif = NULL; | |
3397 | struct interface *tmp_if = NULL; | |
3398 | struct zebra_l2info_bridge *br = NULL; | |
3399 | struct zebra_l2info_vxlan *vxl = NULL; | |
3400 | ||
3401 | if (!br_if) | |
3402 | return NULL; | |
3403 | ||
3404 | /* Make sure the linked interface is a bridge. */ | |
3405 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3406 | return NULL; | |
3407 | ||
3408 | /* Determine if bridge is VLAN-aware or not */ | |
3409 | zif = br_if->info; | |
3410 | assert(zif); | |
3411 | br = &zif->l2info.br; | |
3412 | bridge_vlan_aware = br->vlan_aware; | |
3413 | if (bridge_vlan_aware) { | |
3414 | struct zebra_l2info_vlan *vl; | |
3415 | ||
3416 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3417 | return NULL; | |
3418 | ||
3419 | zif = ifp->info; | |
3420 | assert(zif); | |
3421 | vl = &zif->l2info.vl; | |
3422 | vid = vl->vid; | |
3423 | } | |
3424 | ||
3425 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3426 | /* TODO: Optimize with a hash. */ | |
3427 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3428 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3429 | tmp_if = (struct interface *)rn->info; | |
3430 | if (!tmp_if) | |
3431 | continue; | |
3432 | zif = tmp_if->info; | |
3433 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3434 | continue; | |
3435 | if (!if_is_operative(tmp_if)) | |
3436 | continue; | |
3437 | vxl = &zif->l2info.vxl; | |
3438 | ||
3439 | if (zif->brslave_info.br_if != br_if) | |
3440 | continue; | |
3441 | ||
3442 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3443 | found = 1; | |
3444 | break; | |
3445 | } | |
3446 | } | |
3447 | ||
3448 | if (!found) | |
3449 | return NULL; | |
3450 | ||
3451 | zl3vni = zl3vni_lookup(vxl->vni); | |
3452 | return zl3vni; | |
3453 | } | |
3454 | ||
3455 | /* | |
3456 | * Inform BGP about l3-vni. | |
3457 | */ | |
3458 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3459 | { | |
3460 | struct stream *s = NULL; | |
3461 | struct zserv *client = NULL; | |
3462 | struct ethaddr rmac; | |
3463 | char buf[ETHER_ADDR_STRLEN]; | |
3464 | ||
3465 | client = zebra_find_client(ZEBRA_ROUTE_BGP); | |
3466 | /* BGP may not be running. */ | |
3467 | if (!client) | |
3468 | return 0; | |
3469 | ||
3470 | /* get the rmac */ | |
3471 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3472 | zl3vni_get_rmac(zl3vni, &rmac); | |
3473 | ||
3474 | s = client->obuf; | |
3475 | stream_reset(s); | |
3476 | ||
3477 | zserv_create_header(s, ZEBRA_L3VNI_ADD, | |
3478 | zl3vni_vrf_id(zl3vni)); | |
3479 | stream_putl(s, zl3vni->vni); | |
3480 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
3481 | ||
3482 | /* Write packet size. */ | |
3483 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3484 | ||
3485 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3486 | zlog_debug("Send L3_VNI_ADD %u VRF %s RMAC %s to %s", | |
3487 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3488 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3489 | zebra_route_string(client->proto)); | |
3490 | ||
3491 | client->l3vniadd_cnt++; | |
3492 | return zebra_server_send_message(client); | |
3493 | } | |
3494 | ||
3495 | /* | |
3496 | * Inform BGP about local l3-VNI deletion. | |
3497 | */ | |
3498 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3499 | { | |
3500 | struct stream *s = NULL; | |
3501 | struct zserv *client = NULL; | |
3502 | ||
3503 | client = zebra_find_client(ZEBRA_ROUTE_BGP); | |
3504 | /* BGP may not be running. */ | |
3505 | if (!client) | |
3506 | return 0; | |
3507 | ||
3508 | s = client->obuf; | |
3509 | stream_reset(s); | |
3510 | ||
3511 | zserv_create_header(s, ZEBRA_L3VNI_DEL, | |
3512 | zl3vni_vrf_id(zl3vni)); | |
3513 | stream_putl(s, zl3vni->vni); | |
3514 | ||
3515 | /* Write packet size. */ | |
3516 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3517 | ||
3518 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3519 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", | |
3520 | zl3vni->vni, | |
3521 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3522 | zebra_route_string(client->proto)); | |
3523 | ||
3524 | client->l3vnidel_cnt++; | |
3525 | return zebra_server_send_message(client); | |
3526 | } | |
3527 | ||
3528 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3529 | { | |
3530 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3531 | zlog_debug("L3-VNI %u is UP - send add to BGP and update all neigh enries", | |
3532 | zl3vni->vni); | |
3533 | ||
3534 | /* send l3vni add to BGP */ | |
3535 | zl3vni_send_add_to_client(zl3vni); | |
3536 | } | |
3537 | ||
3538 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3539 | { | |
3540 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3541 | zlog_debug("L3-VNI %u is Down - send del to BGP and update all neigh enries", | |
3542 | zl3vni->vni); | |
3543 | ||
3544 | /* send l3-vni del to BGP*/ | |
3545 | zl3vni_send_del_to_client(zl3vni); | |
3546 | } | |
3547 | ||
3548 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, | |
3549 | void *ctxt) | |
3550 | { | |
3551 | zebra_vni_t *zvni = (zebra_vni_t *) backet->data; | |
3552 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *) ctxt; | |
3553 | ||
3554 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3555 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3556 | } | |
3557 | ||
3558 | /* l3vni from zvni */ | |
3559 | static vni_t zvni_get_l3vni(zebra_vni_t *zvni) | |
3560 | { | |
3561 | zebra_l3vni_t *zl3vni = NULL; | |
3562 | ||
3563 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
3564 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3565 | return 0; | |
3566 | ||
3567 | return zl3vni->vni; | |
3568 | } | |
3569 | ||
3570 | /* rmac from l3vni */ | |
3571 | static void zvni_get_rmac(zebra_vni_t *zvni, | |
3572 | struct ethaddr *rmac) | |
3573 | { | |
3574 | zebra_l3vni_t *zl3vni = NULL; | |
3575 | ||
3576 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
3577 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3578 | return; | |
3579 | ||
3580 | if (zl3vni->svi_if) | |
3581 | memcpy(rmac->octet, zl3vni->svi_if->hw_addr, ETH_ALEN); | |
3582 | } | |
3583 | ||
3584 | /* | |
3585 | * handle transition of vni from l2 to l3 and vice versa | |
3586 | */ | |
3587 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, | |
3588 | vni_t vni, int add) | |
3589 | { | |
3590 | zebra_vni_t *zvni = NULL; | |
3591 | ||
3592 | /* There is a possibility that VNI notification was already received | |
3593 | * from kernel and we programmed it as L2-VNI | |
3594 | * In such a case we need to delete this L2-VNI first, so | |
3595 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3596 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3597 | * interface is still present in kernel. In this case to keep it | |
3598 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni */ | |
3599 | if (add) { | |
3600 | /* Locate hash entry */ | |
3601 | zvni = zvni_lookup(vni); | |
3602 | if (!zvni) | |
3603 | return 0; | |
3604 | ||
3605 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3606 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", | |
3607 | vni); | |
3608 | ||
3609 | /* Delete VNI from BGP. */ | |
3610 | zvni_send_del_to_client(zvni->vni); | |
3611 | ||
3612 | /* Free up all neighbors and MAC, if any. */ | |
3613 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3614 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3615 | ||
3616 | /* Free up all remote VTEPs, if any. */ | |
3617 | zvni_vtep_del_all(zvni, 0); | |
3618 | ||
3619 | /* Delete the hash entry. */ | |
3620 | if (zvni_del(zvni)) { | |
3621 | zlog_err("Failed to del VNI hash %p, VNI %u", | |
3622 | zvni, zvni->vni); | |
3623 | return -1; | |
3624 | } | |
3625 | } else { | |
3626 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3627 | * enough information at this point to reprogram the vni as | |
3628 | * l2-vni. One way is to store the required info in l3-vni and | |
3629 | * used it solely for this purpose */ | |
3630 | } | |
3631 | ||
3632 | return 0; | |
3633 | } | |
3634 | ||
3635 | /* Public functions */ | |
3636 | ||
2dbad57f | 3637 | /* handle evpn route in vrf table */ |
3638 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, | |
3639 | struct ethaddr *rmac, | |
6134fd82 | 3640 | struct ipaddr *vtep_ip, |
3641 | struct prefix *host_prefix) | |
2dbad57f | 3642 | { |
3643 | zebra_l3vni_t *zl3vni = NULL; | |
3644 | ||
3645 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3646 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3647 | return; | |
3648 | ||
3649 | /* add the next hop neighbor */ | |
6134fd82 | 3650 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 3651 | |
3652 | /* add the rmac */ | |
6134fd82 | 3653 | zl3vni_remote_rmac_add(zl3vni, rmac, vtep_ip, host_prefix); |
2dbad57f | 3654 | } |
3655 | ||
3656 | /* handle evpn vrf route delete */ | |
3657 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, | |
3658 | struct ethaddr *rmac, | |
6134fd82 | 3659 | struct ipaddr *vtep_ip, |
3660 | struct prefix *host_prefix) | |
2dbad57f | 3661 | { |
3662 | zebra_l3vni_t *zl3vni = NULL; | |
3663 | ||
3664 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3665 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3666 | return; | |
3667 | ||
3668 | /* delete the next hop entry */ | |
6134fd82 | 3669 | zl3vni_remote_nh_del(zl3vni, vtep_ip, host_prefix); |
2dbad57f | 3670 | |
3671 | /* delete the rmac entry */ | |
6134fd82 | 3672 | zl3vni_remote_rmac_del(zl3vni, rmac, host_prefix); |
2dbad57f | 3673 | } |
3674 | ||
9aa741ea MK |
3675 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, |
3676 | vni_t l3vni, | |
3677 | struct ethaddr *rmac) | |
3678 | { | |
3679 | zebra_l3vni_t *zl3vni = NULL; | |
3680 | zebra_mac_t *zrmac = NULL; | |
3681 | ||
3682 | if (!is_evpn_enabled()) | |
3683 | return; | |
3684 | ||
3685 | zl3vni = zl3vni_lookup(l3vni); | |
3686 | if (!zl3vni) { | |
3687 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", | |
3688 | l3vni); | |
3689 | return; | |
3690 | } | |
3691 | ||
3692 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3693 | if (!zrmac) { | |
3694 | vty_out(vty, "%% Requested RMAC doesnt exist in L3-VNI %u", | |
3695 | l3vni); | |
3696 | return; | |
3697 | } | |
3698 | ||
3699 | zl3vni_print_rmac(zrmac, vty); | |
3700 | } | |
2dbad57f | 3701 | |
b7cfce93 MK |
3702 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, |
3703 | vni_t l3vni, | |
3704 | u_char use_json) | |
3705 | { | |
3706 | zebra_l3vni_t *zl3vni; | |
3707 | u_int32_t num_rmacs; | |
3708 | struct rmac_walk_ctx wctx; | |
3709 | json_object *json = NULL; | |
3710 | json_object *json_rmac = NULL; | |
3711 | ||
3712 | if (!is_evpn_enabled()) | |
3713 | return; | |
3714 | ||
3715 | zl3vni = zl3vni_lookup(l3vni); | |
3716 | if (!zl3vni) { | |
3717 | if (use_json) | |
3718 | vty_out(vty, "{}\n"); | |
3719 | else | |
3720 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3721 | return; | |
3722 | } | |
3723 | num_rmacs = hashcount(zl3vni->rmac_table); | |
3724 | if (!num_rmacs) | |
3725 | return; | |
3726 | ||
3727 | if (use_json) { | |
3728 | json = json_object_new_object(); | |
3729 | json_rmac = json_object_new_array(); | |
3730 | } | |
3731 | ||
3732 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
3733 | wctx.vty = vty; | |
3734 | wctx.json = json_rmac; | |
3735 | ||
3736 | if (!use_json) { | |
3737 | vty_out(vty, | |
3738 | "Number of Remote RMACs known for this VNI: %u\n", | |
3739 | num_rmacs); | |
3740 | vty_out(vty, "%-17s %-21s %-6s\n", "MAC", | |
3741 | "Remote VTEP", "Refcnt"); | |
3742 | } else | |
3743 | json_object_int_add(json, "numRmacs", num_rmacs); | |
3744 | ||
3745 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
3746 | ||
3747 | if (use_json) { | |
3748 | json_object_object_add(json, "rmacs", json_rmac); | |
3749 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3750 | json, JSON_C_TO_STRING_PRETTY)); | |
3751 | json_object_free(json); | |
3752 | } | |
3753 | } | |
3754 | ||
3755 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, | |
3756 | u_char use_json) | |
3757 | { | |
3758 | struct zebra_ns *zns = NULL; | |
3759 | struct rmac_walk_ctx wctx; | |
3760 | json_object *json = NULL; | |
3761 | ||
3762 | if (!is_evpn_enabled()) { | |
3763 | if (use_json) | |
3764 | vty_out(vty, "{}\n"); | |
3765 | return; | |
3766 | } | |
3767 | ||
3768 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3769 | if (!zns) | |
3770 | return; | |
3771 | ||
3772 | if (use_json) | |
3773 | json = json_object_new_object(); | |
3774 | ||
3775 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
3776 | wctx.vty = vty; | |
3777 | wctx.json = json; | |
3778 | ||
3779 | hash_iterate(zns->l3vni_table, zl3vni_print_rmac_hash_all_vni, &wctx); | |
3780 | ||
3781 | if (use_json) { | |
3782 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3783 | json, JSON_C_TO_STRING_PRETTY)); | |
3784 | json_object_free(json); | |
3785 | } | |
3786 | } | |
3787 | ||
9aa741ea MK |
3788 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, |
3789 | vni_t l3vni, | |
3790 | struct ipaddr *ip) | |
3791 | { | |
3792 | zebra_l3vni_t *zl3vni = NULL; | |
3793 | zebra_neigh_t *n = NULL; | |
3794 | ||
3795 | if (!is_evpn_enabled()) | |
3796 | return; | |
3797 | ||
3798 | zl3vni = zl3vni_lookup(l3vni); | |
3799 | if (!zl3vni) { | |
3800 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3801 | return; | |
3802 | } | |
3803 | ||
3804 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3805 | if (!n) { | |
3806 | vty_out(vty, "%% Requested next-hop not present for L3-VNI %u", | |
3807 | l3vni); | |
3808 | return; | |
3809 | } | |
3810 | ||
3811 | zl3vni_print_nh(n, vty); | |
3812 | } | |
3813 | ||
b7cfce93 MK |
3814 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, |
3815 | vni_t l3vni, | |
3816 | u_char use_json) | |
3817 | { | |
3818 | u_int32_t num_nh; | |
2dbad57f | 3819 | struct nh_walk_ctx wctx; |
b7cfce93 MK |
3820 | json_object *json = NULL; |
3821 | json_object *json_nh = NULL; | |
3822 | zebra_l3vni_t *zl3vni = NULL; | |
3823 | ||
3824 | if (!is_evpn_enabled()) | |
3825 | return; | |
3826 | ||
3827 | zl3vni = zl3vni_lookup(l3vni); | |
3828 | if (!zl3vni) { | |
3829 | if (use_json) | |
3830 | vty_out(vty, "{}\n"); | |
3831 | else | |
3832 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
3833 | return; | |
3834 | } | |
3835 | ||
3836 | num_nh = hashcount(zl3vni->nh_table); | |
3837 | if (!num_nh) | |
3838 | return; | |
3839 | ||
3840 | if (use_json) { | |
3841 | json = json_object_new_object(); | |
3842 | json_nh = json_object_new_array(); | |
3843 | } | |
3844 | ||
2dbad57f | 3845 | wctx.vty = vty; |
3846 | wctx.json = json_nh; | |
b7cfce93 MK |
3847 | |
3848 | if (!use_json) { | |
3849 | vty_out(vty, | |
3850 | "Number of NH Neighbors known for this VNI: %u\n", | |
3851 | num_nh); | |
2dbad57f | 3852 | vty_out(vty, "%-15s %-17s %6s\n", "IP", |
b7cfce93 MK |
3853 | "RMAC", "Refcnt"); |
3854 | } else | |
3855 | json_object_int_add(json, "numNh", num_nh); | |
3856 | ||
3857 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
3858 | ||
3859 | if (use_json) { | |
3860 | json_object_object_add(json, "next-hop-neighbors", json_nh); | |
3861 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3862 | json, JSON_C_TO_STRING_PRETTY)); | |
3863 | json_object_free(json); | |
3864 | } | |
3865 | } | |
3866 | ||
3867 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, | |
3868 | u_char use_json) | |
3869 | { | |
2dbad57f | 3870 | struct zebra_ns *zns = NULL; |
2dbad57f | 3871 | json_object *json = NULL; |
32798965 | 3872 | void *args[2]; |
2dbad57f | 3873 | |
3874 | if (!is_evpn_enabled()) { | |
3875 | if (use_json) | |
3876 | vty_out(vty, "{}\n"); | |
3877 | return; | |
3878 | } | |
3879 | ||
3880 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3881 | if (!zns) | |
3882 | return; | |
3883 | ||
3884 | if (use_json) | |
3885 | json = json_object_new_object(); | |
3886 | ||
32798965 MK |
3887 | args[0] = vty; |
3888 | args[1] = json; | |
3889 | hash_iterate(zns->l3vni_table, | |
3890 | (void (*)(struct hash_backet *, | |
3891 | void *))zl3vni_print_nh_hash_all_vni, | |
3892 | args); | |
2dbad57f | 3893 | |
3894 | if (use_json) { | |
3895 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3896 | json, JSON_C_TO_STRING_PRETTY)); | |
3897 | json_object_free(json); | |
3898 | } | |
b7cfce93 MK |
3899 | return; |
3900 | } | |
3901 | ||
3902 | /* | |
3903 | * Display L3 VNI information (VTY command handler). | |
3904 | */ | |
3905 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, u_char use_json) | |
3906 | { | |
3907 | void *args[2]; | |
3908 | json_object *json = NULL; | |
3909 | zebra_l3vni_t *zl3vni = NULL; | |
3910 | ||
b2ee5a13 MK |
3911 | if (!is_evpn_enabled()) { |
3912 | if (use_json) | |
3913 | vty_out(vty, "{}\n"); | |
b7cfce93 | 3914 | return; |
b2ee5a13 | 3915 | } |
b7cfce93 MK |
3916 | |
3917 | zl3vni = zl3vni_lookup(vni); | |
3918 | if (!zl3vni) { | |
3919 | if (use_json) | |
3920 | vty_out(vty, "{}\n"); | |
3921 | else | |
3922 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
3923 | return; | |
3924 | } | |
3925 | ||
3926 | if (use_json) | |
3927 | json = json_object_new_object(); | |
3928 | ||
b2ee5a13 MK |
3929 | args[0] = vty; |
3930 | args[1] = json; | |
b7cfce93 MK |
3931 | zl3vni_print(zl3vni, (void *)args); |
3932 | ||
3933 | if (use_json) { | |
3934 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3935 | json, JSON_C_TO_STRING_PRETTY)); | |
3936 | json_object_free(json); | |
3937 | } | |
3938 | } | |
3939 | ||
3940 | /* | |
3941 | * Display L3 VNI hash table (VTY command handler). | |
3942 | */ | |
3943 | void zebra_vxlan_print_l3vnis(struct vty *vty, u_char use_json) | |
3944 | { | |
3945 | u_int32_t num_vnis; | |
3946 | void *args[2]; | |
3947 | json_object *json = NULL; | |
3948 | struct zebra_ns *zns = NULL; | |
3949 | ||
51d8de8f MK |
3950 | if (!is_evpn_enabled()) { |
3951 | if (use_json) | |
3952 | vty_out(vty, "{}\n"); | |
b7cfce93 | 3953 | return; |
51d8de8f | 3954 | } |
b7cfce93 MK |
3955 | |
3956 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3957 | assert(zns); | |
3958 | ||
3959 | num_vnis = hashcount(zns->l3vni_table); | |
3960 | if (!num_vnis) { | |
3961 | if (use_json) | |
3962 | vty_out(vty, "{}\n"); | |
3963 | return; | |
3964 | } | |
3965 | ||
3966 | if (use_json) { | |
3967 | json = json_object_new_object(); | |
3968 | json_object_int_add(json, "numVnis", num_vnis); | |
3969 | } else { | |
3970 | vty_out(vty, "Number of L3 VNIs: %u\n", num_vnis); | |
3971 | vty_out(vty, "%-10s %-20s %-20s %-5s %-37s %-18s\n", "VNI", | |
3972 | "Vx-intf", "L3-SVI", "State", "VRF", "Rmac"); | |
3973 | } | |
3974 | ||
51d8de8f MK |
3975 | args[0] = vty; |
3976 | args[1] = json; | |
b7cfce93 MK |
3977 | hash_iterate(zns->l3vni_table, |
3978 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
3979 | args); | |
3980 | ||
3981 | if (use_json) { | |
3982 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
3983 | json, JSON_C_TO_STRING_PRETTY)); | |
3984 | json_object_free(json); | |
3985 | } | |
3986 | } | |
3987 | ||
3988 | /* | |
3989 | * Display Neighbors for a VNI (VTY command handler). | |
3990 | */ | |
3991 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
3992 | vni_t vni, u_char use_json) | |
3993 | { | |
3994 | zebra_vni_t *zvni; | |
3995 | u_int32_t num_neigh; | |
3996 | struct neigh_walk_ctx wctx; | |
3997 | json_object *json = NULL; | |
3998 | ||
3999 | if (!is_evpn_enabled()) | |
4000 | return; | |
4001 | zvni = zvni_lookup(vni); | |
4002 | if (!zvni) { | |
4003 | if (use_json) | |
4004 | vty_out(vty, "{}\n"); | |
4005 | else | |
4006 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4007 | return; | |
4008 | } | |
4009 | num_neigh = hashcount(zvni->neigh_table); | |
4010 | if (!num_neigh) | |
4011 | return; | |
4012 | ||
4013 | if (use_json) | |
4014 | json = json_object_new_object(); | |
4015 | ||
4016 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4017 | * size, we try to be a bit more elegant in display by first computing | |
4018 | * the maximum width. | |
4019 | */ | |
4020 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4021 | wctx.zvni = zvni; | |
4022 | wctx.vty = vty; | |
4023 | wctx.addr_width = 15; | |
4024 | wctx.json = json; | |
4025 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4026 | ||
4027 | if (!use_json) { | |
4028 | vty_out(vty, | |
4029 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4030 | num_neigh); | |
4031 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4032 | "Type", "MAC", "Remote VTEP"); | |
4033 | } else | |
4034 | json_object_int_add(json, "numArpNd", num_neigh); | |
4035 | ||
4036 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4037 | if (use_json) { | |
4038 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4039 | json, JSON_C_TO_STRING_PRETTY)); | |
4040 | json_object_free(json); | |
4041 | } | |
4042 | } | |
4043 | ||
4044 | /* | |
4045 | * Display neighbors across all VNIs (VTY command handler). | |
4046 | */ | |
4047 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
4048 | u_char use_json) | |
4049 | { | |
4050 | json_object *json = NULL; | |
4051 | void *args[2]; | |
4052 | ||
4053 | if (!is_evpn_enabled()) | |
4054 | return; | |
4055 | ||
4056 | if (use_json) | |
4057 | json = json_object_new_object(); | |
4058 | ||
4059 | args[0] = vty; | |
4060 | args[1] = json; | |
4061 | hash_iterate(zvrf->vni_table, | |
4062 | (void (*)(struct hash_backet *, | |
4063 | void *))zvni_print_neigh_hash_all_vni, | |
4064 | args); | |
4065 | if (use_json) { | |
4066 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4067 | json, JSON_C_TO_STRING_PRETTY)); | |
4068 | json_object_free(json); | |
4069 | } | |
4070 | } | |
4071 | ||
4072 | /* | |
4073 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4074 | */ | |
4075 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4076 | struct zebra_vrf *zvrf, vni_t vni, | |
4077 | struct ipaddr *ip, u_char use_json) | |
4078 | { | |
4079 | zebra_vni_t *zvni; | |
4080 | zebra_neigh_t *n; | |
4081 | json_object *json = NULL; | |
4082 | ||
4083 | if (!is_evpn_enabled()) | |
4084 | return; | |
4085 | zvni = zvni_lookup(vni); | |
4086 | if (!zvni) { | |
4087 | if (use_json) | |
cd233079 CS |
4088 | vty_out(vty, "{}\n"); |
4089 | else | |
4090 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4091 | return; |
4092 | } | |
4093 | n = zvni_neigh_lookup(zvni, ip); | |
4094 | if (!n) { | |
cd233079 CS |
4095 | if (!use_json) |
4096 | vty_out(vty, | |
4097 | "%% Requested neighbor does not exist in VNI %u\n", | |
4098 | vni); | |
d62a17ae | 4099 | return; |
4100 | } | |
cd233079 CS |
4101 | if (use_json) |
4102 | json = json_object_new_object(); | |
4103 | ||
4104 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4105 | |
cd233079 CS |
4106 | if (use_json) { |
4107 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4108 | json, JSON_C_TO_STRING_PRETTY)); | |
4109 | json_object_free(json); | |
4110 | } | |
cec2e17d | 4111 | } |
4112 | ||
4113 | /* | |
4114 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4115 | * By definition, these are remote neighbors. | |
4116 | */ | |
d62a17ae | 4117 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4118 | vni_t vni, struct in_addr vtep_ip, |
4119 | u_char use_json) | |
cec2e17d | 4120 | { |
d62a17ae | 4121 | zebra_vni_t *zvni; |
4122 | u_int32_t num_neigh; | |
4123 | struct neigh_walk_ctx wctx; | |
cd233079 | 4124 | json_object *json = NULL; |
cec2e17d | 4125 | |
2853fed6 | 4126 | if (!is_evpn_enabled()) |
d62a17ae | 4127 | return; |
2853fed6 | 4128 | zvni = zvni_lookup(vni); |
d62a17ae | 4129 | if (!zvni) { |
cd233079 CS |
4130 | if (use_json) |
4131 | vty_out(vty, "{}\n"); | |
4132 | else | |
4133 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4134 | return; |
4135 | } | |
4136 | num_neigh = hashcount(zvni->neigh_table); | |
4137 | if (!num_neigh) | |
4138 | return; | |
cec2e17d | 4139 | |
d62a17ae | 4140 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4141 | wctx.zvni = zvni; | |
4142 | wctx.vty = vty; | |
4143 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
4144 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4145 | wctx.json = json; |
d62a17ae | 4146 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4147 | |
4148 | if (use_json) { | |
4149 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4150 | json, JSON_C_TO_STRING_PRETTY)); | |
4151 | json_object_free(json); | |
4152 | } | |
cec2e17d | 4153 | } |
4154 | ||
4155 | /* | |
4156 | * Display MACs for a VNI (VTY command handler). | |
4157 | */ | |
d62a17ae | 4158 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4159 | vni_t vni, u_char use_json) |
cec2e17d | 4160 | { |
d62a17ae | 4161 | zebra_vni_t *zvni; |
4162 | u_int32_t num_macs; | |
4163 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4164 | json_object *json = NULL; |
4165 | json_object *json_mac = NULL; | |
cec2e17d | 4166 | |
2853fed6 | 4167 | if (!is_evpn_enabled()) |
d62a17ae | 4168 | return; |
2853fed6 | 4169 | zvni = zvni_lookup(vni); |
d62a17ae | 4170 | if (!zvni) { |
cd233079 CS |
4171 | if (use_json) |
4172 | vty_out(vty, "{}\n"); | |
4173 | else | |
4174 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4175 | return; |
4176 | } | |
790f8dc5 | 4177 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4178 | if (!num_macs) |
4179 | return; | |
cec2e17d | 4180 | |
cd233079 CS |
4181 | if (use_json) { |
4182 | json = json_object_new_object(); | |
4183 | json_mac = json_object_new_object(); | |
4184 | } | |
4185 | ||
d62a17ae | 4186 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4187 | wctx.zvni = zvni; | |
4188 | wctx.vty = vty; | |
cd233079 | 4189 | wctx.json = json_mac; |
cec2e17d | 4190 | |
cd233079 CS |
4191 | if (!use_json) { |
4192 | vty_out(vty, | |
4193 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4194 | num_macs); | |
4195 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4196 | "Intf/Remote VTEP", "VLAN"); | |
4197 | } else | |
4198 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4199 | |
d62a17ae | 4200 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4201 | |
4202 | if (use_json) { | |
4203 | json_object_object_add(json, "macs", json_mac); | |
4204 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4205 | json, JSON_C_TO_STRING_PRETTY)); | |
4206 | json_object_free(json); | |
4207 | } | |
cec2e17d | 4208 | } |
4209 | ||
4210 | /* | |
4211 | * Display MACs for all VNIs (VTY command handler). | |
4212 | */ | |
cd233079 CS |
4213 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4214 | u_char use_json) | |
cec2e17d | 4215 | { |
d62a17ae | 4216 | struct mac_walk_ctx wctx; |
cd233079 | 4217 | json_object *json = NULL; |
cec2e17d | 4218 | |
2853fed6 | 4219 | if (!is_evpn_enabled()) { |
cd233079 CS |
4220 | if (use_json) |
4221 | vty_out(vty, "{}\n"); | |
d62a17ae | 4222 | return; |
cd233079 CS |
4223 | } |
4224 | if (use_json) | |
4225 | json = json_object_new_object(); | |
4226 | ||
d62a17ae | 4227 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4228 | wctx.vty = vty; | |
cd233079 | 4229 | wctx.json = json; |
d62a17ae | 4230 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4231 | |
4232 | if (use_json) { | |
4233 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4234 | json, JSON_C_TO_STRING_PRETTY)); | |
4235 | json_object_free(json); | |
4236 | } | |
cec2e17d | 4237 | } |
4238 | ||
4239 | /* | |
4240 | * Display MACs for all VNIs (VTY command handler). | |
4241 | */ | |
d62a17ae | 4242 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4243 | struct zebra_vrf *zvrf, | |
cd233079 CS |
4244 | struct in_addr vtep_ip, |
4245 | u_char use_json) | |
cec2e17d | 4246 | { |
d62a17ae | 4247 | struct mac_walk_ctx wctx; |
cd233079 | 4248 | json_object *json = NULL; |
cec2e17d | 4249 | |
2853fed6 | 4250 | if (!is_evpn_enabled()) |
d62a17ae | 4251 | return; |
cd233079 CS |
4252 | |
4253 | if (use_json) | |
4254 | json = json_object_new_object(); | |
4255 | ||
d62a17ae | 4256 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4257 | wctx.vty = vty; | |
4258 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4259 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4260 | wctx.json = json; |
d62a17ae | 4261 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4262 | |
4263 | if (use_json) { | |
4264 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4265 | json, JSON_C_TO_STRING_PRETTY)); | |
4266 | json_object_free(json); | |
4267 | } | |
cec2e17d | 4268 | } |
4269 | ||
4270 | /* | |
4271 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4272 | */ | |
d62a17ae | 4273 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4274 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4275 | { |
d62a17ae | 4276 | zebra_vni_t *zvni; |
4277 | zebra_mac_t *mac; | |
cec2e17d | 4278 | |
2853fed6 | 4279 | if (!is_evpn_enabled()) |
d62a17ae | 4280 | return; |
2853fed6 | 4281 | zvni = zvni_lookup(vni); |
d62a17ae | 4282 | if (!zvni) { |
4283 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4284 | return; | |
4285 | } | |
4286 | mac = zvni_mac_lookup(zvni, macaddr); | |
4287 | if (!mac) { | |
4288 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4289 | vni); | |
4290 | return; | |
4291 | } | |
cec2e17d | 4292 | |
d62a17ae | 4293 | zvni_print_mac(mac, vty); |
cec2e17d | 4294 | } |
4295 | ||
4296 | /* | |
4297 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4298 | */ | |
d62a17ae | 4299 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 CS |
4300 | vni_t vni, struct in_addr vtep_ip, |
4301 | u_char use_json) | |
cec2e17d | 4302 | { |
d62a17ae | 4303 | zebra_vni_t *zvni; |
4304 | u_int32_t num_macs; | |
4305 | struct mac_walk_ctx wctx; | |
cd233079 CS |
4306 | json_object *json = NULL; |
4307 | json_object *json_mac = NULL; | |
cec2e17d | 4308 | |
2853fed6 | 4309 | if (!is_evpn_enabled()) |
d62a17ae | 4310 | return; |
2853fed6 | 4311 | zvni = zvni_lookup(vni); |
d62a17ae | 4312 | if (!zvni) { |
cd233079 CS |
4313 | if (use_json) |
4314 | vty_out(vty, "{}\n"); | |
4315 | else | |
4316 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4317 | return; |
4318 | } | |
790f8dc5 | 4319 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4320 | if (!num_macs) |
4321 | return; | |
cd233079 CS |
4322 | |
4323 | if (use_json) { | |
4324 | json = json_object_new_object(); | |
4325 | json_mac = json_object_new_object(); | |
4326 | } | |
4327 | ||
d62a17ae | 4328 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4329 | wctx.zvni = zvni; | |
4330 | wctx.vty = vty; | |
4331 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4332 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4333 | wctx.json = json_mac; |
d62a17ae | 4334 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4335 | |
4336 | if (use_json) { | |
4337 | json_object_int_add(json, "numMacs", wctx.count); | |
4338 | if (wctx.count) | |
4339 | json_object_object_add(json, "macs", json_mac); | |
4340 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4341 | json, JSON_C_TO_STRING_PRETTY)); | |
4342 | json_object_free(json); | |
4343 | } | |
cec2e17d | 4344 | } |
4345 | ||
4346 | ||
4347 | /* | |
4348 | * Display VNI information (VTY command handler). | |
4349 | */ | |
cd233079 CS |
4350 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
4351 | u_char use_json) | |
cec2e17d | 4352 | { |
d62a17ae | 4353 | zebra_vni_t *zvni; |
cd233079 CS |
4354 | json_object *json = NULL; |
4355 | void *args[2]; | |
cec2e17d | 4356 | |
2853fed6 | 4357 | if (!is_evpn_enabled()) |
d62a17ae | 4358 | return; |
2853fed6 | 4359 | zvni = zvni_lookup(vni); |
d62a17ae | 4360 | if (!zvni) { |
cd233079 CS |
4361 | if (use_json) |
4362 | vty_out(vty, "{}\n"); | |
4363 | else | |
4364 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4365 | return; |
4366 | } | |
cd233079 CS |
4367 | if (use_json) |
4368 | json = json_object_new_object(); | |
4369 | args[0] = vty; | |
4370 | args[1] = json; | |
4371 | zvni_print(zvni, (void *)args); | |
4372 | if (use_json) { | |
4373 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4374 | json, JSON_C_TO_STRING_PRETTY)); | |
4375 | json_object_free(json); | |
4376 | } | |
cec2e17d | 4377 | } |
4378 | ||
4379 | /* | |
4380 | * Display VNI hash table (VTY command handler). | |
4381 | */ | |
cd233079 CS |
4382 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, |
4383 | u_char use_json) | |
cec2e17d | 4384 | { |
d62a17ae | 4385 | u_int32_t num_vnis; |
cd233079 CS |
4386 | json_object *json = NULL; |
4387 | void *args[2]; | |
cec2e17d | 4388 | |
2853fed6 | 4389 | if (!is_evpn_enabled()) |
d62a17ae | 4390 | return; |
4391 | num_vnis = hashcount(zvrf->vni_table); | |
cd233079 CS |
4392 | if (!num_vnis) { |
4393 | if (use_json) | |
4394 | vty_out(vty, "{}\n"); | |
d62a17ae | 4395 | return; |
cd233079 CS |
4396 | } |
4397 | if (use_json) { | |
4398 | json = json_object_new_object(); | |
ddd16ed5 MK |
4399 | json_object_string_add(json, "advertiseGatewayMacip", |
4400 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
4401 | json_object_int_add(json, "numVnis", num_vnis); |
4402 | } else { | |
ddd16ed5 MK |
4403 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4404 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4405 | vty_out(vty, "Number of VNIs: %u\n", num_vnis); |
b7cfce93 | 4406 | vty_out(vty, "%-10s %-21s %-15s %-8s %-8s %-15s %-37s\n", "VNI", |
cd233079 | 4407 | "VxLAN IF", "VTEP IP", "# MACs", "# ARPs", |
b7cfce93 | 4408 | "# Remote VTEPs", "VRF"); |
cd233079 CS |
4409 | } |
4410 | args[0] = vty; | |
4411 | args[1] = json; | |
4412 | ||
4413 | hash_iterate(zvrf->vni_table, | |
4414 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4415 | args); | |
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 | ||
2232a77c | 4424 | /* |
4425 | * Handle neighbor delete (on a VLAN device / L3 interface) from the | |
4426 | * kernel. This may result in either the neighbor getting deleted from | |
4427 | * our database or being re-added to the kernel (if it is a valid | |
4428 | * remote neighbor). | |
4429 | */ | |
d62a17ae | 4430 | int zebra_vxlan_local_neigh_del(struct interface *ifp, |
4431 | struct interface *link_if, struct ipaddr *ip) | |
4432 | { | |
b7cfce93 MK |
4433 | vni_t l3vni = 0; |
4434 | struct ethaddr rmac; | |
d62a17ae | 4435 | char buf[INET6_ADDRSTRLEN]; |
b7cfce93 | 4436 | char buf1[INET6_ADDRSTRLEN]; |
b6938a74 | 4437 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4438 | zebra_neigh_t *n = NULL; |
4439 | zebra_vni_t *zvni = NULL; | |
4440 | zebra_mac_t *zmac = NULL; | |
4441 | ||
4442 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
d62a17ae | 4443 | |
4444 | /* We are only interested in neighbors on an SVI that resides on top | |
4445 | * of a VxLAN bridge. | |
4446 | */ | |
b7cfce93 | 4447 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4448 | if (!zvni) |
4449 | return 0; | |
4450 | if (!zvni->vxlan_if) { | |
4451 | zlog_err( | |
4452 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
4453 | zvni->vni, zvni); | |
4454 | return -1; | |
4455 | } | |
4456 | ||
b7cfce93 MK |
4457 | /* get the l3-vni */ |
4458 | l3vni = zvni_get_l3vni(zvni); | |
4459 | ||
4460 | /* get the rmac */ | |
4461 | zvni_get_rmac(zvni, &rmac); | |
4462 | ||
d62a17ae | 4463 | if (IS_ZEBRA_DEBUG_VXLAN) |
b7cfce93 | 4464 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u L3-VNI %u RMAC %s", |
2853fed6 | 4465 | ipaddr2str(ip, buf, sizeof(buf)), |
b7cfce93 MK |
4466 | ifp->name, ifp->ifindex, zvni->vni, |
4467 | l3vni, prefix_mac2str(&rmac, buf1, sizeof(buf1))); | |
d62a17ae | 4468 | |
4469 | /* If entry doesn't exist, nothing to do. */ | |
4470 | n = zvni_neigh_lookup(zvni, ip); | |
4471 | if (!n) | |
4472 | return 0; | |
4473 | ||
b6938a74 MK |
4474 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4475 | if (!zmac) { | |
4476 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4477 | zlog_err( | |
2853fed6 | 4478 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4479 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4480 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4481 | zvni->vni); | |
4482 | ||
4483 | return 0; | |
4484 | } | |
4485 | ||
d62a17ae | 4486 | /* If it is a remote entry, the kernel has aged this out or someone has |
4487 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4488 | */ | |
4489 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4490 | zvni_neigh_install(zvni, n); | |
4491 | return 0; | |
4492 | } | |
4493 | ||
d62a17ae | 4494 | /* Remove neighbor from BGP. */ |
b6938a74 | 4495 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2853fed6 | 4496 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, |
b6938a74 | 4497 | 0); |
d62a17ae | 4498 | |
4499 | /* Delete this neighbor entry. */ | |
4500 | zvni_neigh_del(zvni, n); | |
4501 | ||
b6938a74 MK |
4502 | /* see if the AUTO mac needs to be deleted */ |
4503 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4504 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4505 | zvni_mac_del(zvni, zmac); |
4506 | ||
d62a17ae | 4507 | return 0; |
2232a77c | 4508 | } |
4509 | ||
4510 | /* | |
859b32c0 MK |
4511 | * Handle neighbor add or update (on a VLAN device / L3 interface) |
4512 | * from the kernel. | |
2232a77c | 4513 | */ |
d62a17ae | 4514 | int zebra_vxlan_local_neigh_add_update(struct interface *ifp, |
4515 | struct interface *link_if, | |
4516 | struct ipaddr *ip, | |
4517 | struct ethaddr *macaddr, u_int16_t state, | |
4518 | u_char ext_learned) | |
4519 | { | |
b7cfce93 MK |
4520 | vni_t l3vni = 0; |
4521 | struct ethaddr rmac; | |
d62a17ae | 4522 | char buf[ETHER_ADDR_STRLEN]; |
b7cfce93 | 4523 | char buf1[ETHER_ADDR_STRLEN]; |
d62a17ae | 4524 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
4525 | zebra_vni_t *zvni = NULL; |
4526 | zebra_neigh_t *n = NULL; | |
4527 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
4528 | ||
4529 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
d62a17ae | 4530 | |
4531 | /* We are only interested in neighbors on an SVI that resides on top | |
4532 | * of a VxLAN bridge. | |
4533 | */ | |
b7cfce93 | 4534 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4535 | if (!zvni) |
4536 | return 0; | |
4537 | ||
b7cfce93 MK |
4538 | /* get the l3-vni */ |
4539 | l3vni = zvni_get_l3vni(zvni); | |
4540 | ||
4541 | /* get the rmac */ | |
4542 | zvni_get_rmac(zvni, &rmac); | |
4543 | ||
d62a17ae | 4544 | if (IS_ZEBRA_DEBUG_VXLAN) |
4545 | zlog_debug( | |
b7cfce93 | 4546 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s-> L2-VNI %u L3-VNI %u RMAC %s", |
2853fed6 | 4547 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4548 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4549 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
b7cfce93 MK |
4550 | zvni->vni, l3vni, |
4551 | prefix_mac2str(&rmac, buf1, sizeof(buf1))); | |
d62a17ae | 4552 | |
b6938a74 MK |
4553 | /* create a dummy MAC if the MAC is not already present */ |
4554 | zmac = zvni_mac_lookup(zvni, macaddr); | |
4555 | if (!zmac) { | |
4556 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4557 | zlog_debug( | |
2853fed6 | 4558 | "AUTO MAC %s created for neigh %s on VNI %u", |
b6938a74 MK |
4559 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4560 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
4561 | ||
4562 | zmac = zvni_mac_add(zvni, macaddr); | |
4563 | if (!zmac) { | |
2853fed6 | 4564 | zlog_warn("Failed to add MAC %s VNI %u", |
b6938a74 MK |
4565 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4566 | zvni->vni); | |
4567 | return -1; | |
4568 | } | |
4569 | ||
4570 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
4571 | memset(&zmac->flags, 0, sizeof(u_int32_t)); | |
4572 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
4573 | } | |
4574 | ||
d62a17ae | 4575 | /* If same entry already exists, it might be a change or it might be a |
4576 | * move from remote to local. | |
4577 | */ | |
4578 | n = zvni_neigh_lookup(zvni, ip); | |
4579 | if (n) { | |
4580 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4581 | if (memcmp(n->emac.octet, macaddr->octet, | |
ff8b7eb8 | 4582 | ETH_ALEN) |
d62a17ae | 4583 | == 0) { |
b682f6de | 4584 | /* Update any params and return - client doesn't |
4585 | * care about a purely local change. | |
4586 | */ | |
4587 | n->ifindex = ifp->ifindex; | |
4588 | return 0; | |
57f7feb6 | 4589 | } |
b682f6de | 4590 | |
57f7feb6 MK |
4591 | /* If the MAC has changed, |
4592 | * need to issue a delete first | |
4593 | * as this means a different MACIP route. | |
4594 | * Also, need to do some unlinking/relinking. | |
4595 | */ | |
2853fed6 | 4596 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
60466a63 | 4597 | &n->emac, 0); |
57f7feb6 MK |
4598 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
4599 | if (old_zmac) { | |
60466a63 | 4600 | listnode_delete(old_zmac->neigh_list, n); |
57f7feb6 | 4601 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
b682f6de | 4602 | } |
57f7feb6 MK |
4603 | |
4604 | /* Set "local" forwarding info. */ | |
4605 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4606 | n->ifindex = ifp->ifindex; | |
4607 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4608 | ||
4609 | /* Link to new MAC */ | |
4610 | listnode_add_sort(zmac->neigh_list, n); | |
d62a17ae | 4611 | } else if (ext_learned) |
4612 | /* The neighbor is remote and that is the notification we got. | |
9d303b37 | 4613 | */ |
d62a17ae | 4614 | { |
859b32c0 | 4615 | /* TODO: Evaluate if we need to do anything here. */ |
d62a17ae | 4616 | return 0; |
4617 | } else | |
4618 | /* Neighbor has moved from remote to local. */ | |
4619 | { | |
4620 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4621 | n->r_vtep_ip.s_addr = 0; | |
b682f6de | 4622 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
4623 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4624 | } |
4625 | } else { | |
b6938a74 | 4626 | n = zvni_neigh_add(zvni, ip, macaddr); |
d62a17ae | 4627 | if (!n) { |
4628 | zlog_err( | |
2853fed6 | 4629 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
4630 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
d62a17ae | 4631 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4632 | ifp->name, ifp->ifindex, zvni->vni); | |
4633 | return -1; | |
4634 | } | |
b682f6de | 4635 | /* Set "local" forwarding info. */ |
4636 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4637 | n->ifindex = ifp->ifindex; | |
d62a17ae | 4638 | } |
4639 | ||
b6938a74 MK |
4640 | /* Before we program this in BGP, we need to check if MAC is locally |
4641 | * learnt as well */ | |
4642 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
4643 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4644 | zlog_debug( | |
2853fed6 | 4645 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u", |
4646 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
b6938a74 MK |
4647 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
4648 | zvni->vni); | |
4649 | ||
4650 | return 0; | |
4651 | } | |
4652 | ||
b682f6de | 4653 | /* Inform BGP. */ |
4654 | if (IS_ZEBRA_DEBUG_VXLAN) | |
b7cfce93 | 4655 | zlog_debug("neigh %s (MAC %s) is now ACTIVE on L2-VNI %u L3-VNI %u with RMAC %s", |
2853fed6 | 4656 | ipaddr2str(ip, buf2, sizeof(buf2)), |
60466a63 | 4657 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
b7cfce93 MK |
4658 | zvni->vni, |
4659 | l3vni, | |
4660 | prefix_mac2str(&rmac, buf1, sizeof(buf1))); | |
d62a17ae | 4661 | |
b682f6de | 4662 | ZEBRA_NEIGH_SET_ACTIVE(n); |
b7cfce93 | 4663 | |
2853fed6 | 4664 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, 0); |
2232a77c | 4665 | } |
4666 | ||
b682f6de | 4667 | |
2232a77c | 4668 | /* |
4669 | * Handle message from client to delete a remote MACIP for a VNI. | |
4670 | */ | |
e4bd522a | 4671 | int zebra_vxlan_remote_macip_del(struct zserv *client, u_short length, |
d62a17ae | 4672 | struct zebra_vrf *zvrf) |
4673 | { | |
4674 | struct stream *s; | |
4675 | vni_t vni; | |
4676 | struct ethaddr macaddr; | |
4677 | struct ipaddr ip; | |
4678 | struct in_addr vtep_ip; | |
4679 | zebra_vni_t *zvni; | |
4680 | zebra_mac_t *mac; | |
4681 | zebra_neigh_t *n; | |
4682 | u_short l = 0, ipa_len; | |
4683 | char buf[ETHER_ADDR_STRLEN]; | |
4684 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 4685 | struct interface *ifp = NULL; |
4686 | struct zebra_if *zif = NULL; | |
d62a17ae | 4687 | |
b7cfce93 | 4688 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4689 | memset(&ip, 0, sizeof(struct ipaddr)); |
4690 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4691 | ||
d62a17ae | 4692 | s = client->ibuf; |
4693 | ||
4694 | while (l < length) { | |
4695 | /* Obtain each remote MACIP and process. */ | |
4696 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
4697 | * followed by remote VTEP IP. | |
4698 | */ | |
4699 | mac = NULL; | |
4700 | n = NULL; | |
4701 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
4702 | STREAM_GETL(s, vni); |
4703 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
4704 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 4705 | if (ipa_len) { |
4706 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
4707 | : IPADDR_V6; | |
ec93aa12 | 4708 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 4709 | } |
ff8b7eb8 | 4710 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 4711 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 4712 | l += IPV4_MAX_BYTELEN; |
4713 | ||
4714 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4715 | zlog_debug( | |
23a06e11 | 4716 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 4717 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
4718 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
4719 | inet_ntoa(vtep_ip), | |
4720 | zebra_route_string(client->proto)); | |
4721 | ||
4722 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 4723 | zvni = zvni_lookup(vni); |
d62a17ae | 4724 | if (!zvni) { |
4725 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4726 | zlog_debug( | |
4727 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 4728 | "VNI %u", |
4729 | vni); | |
d62a17ae | 4730 | continue; |
4731 | } | |
b5ebdc9b | 4732 | ifp = zvni->vxlan_if; |
af026ae4 | 4733 | if (!ifp) { |
d62a17ae | 4734 | zlog_err( |
4735 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
4736 | vni, zvni); | |
4737 | continue; | |
4738 | } | |
b5ebdc9b | 4739 | zif = ifp->info; |
4740 | ||
4741 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4742 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 4743 | continue; |
d62a17ae | 4744 | |
4745 | /* The remote VTEP specified is normally expected to exist, but | |
4746 | * it is | |
4747 | * possible that the peer may delete the VTEP before deleting | |
4748 | * any MACs | |
4749 | * referring to the VTEP, in which case the handler (see | |
4750 | * remote_vtep_del) | |
4751 | * would have already deleted the MACs. | |
4752 | */ | |
4753 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4754 | continue; | |
4755 | ||
d62a17ae | 4756 | mac = zvni_mac_lookup(zvni, &macaddr); |
4757 | if (ipa_len) | |
4758 | n = zvni_neigh_lookup(zvni, &ip); | |
4759 | ||
4760 | if (n && !mac) { | |
4761 | zlog_err( | |
2853fed6 | 4762 | "Failed to locate MAC %s for neigh %s VNI %u", |
d62a17ae | 4763 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
2853fed6 | 4764 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); |
d62a17ae | 4765 | continue; |
4766 | } | |
4767 | ||
4768 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4769 | * more | |
4770 | * to do. Otherwise, uninstall the entry and then remove it. | |
4771 | */ | |
4772 | if (!mac && !n) | |
4773 | continue; | |
4774 | ||
4775 | /* Uninstall remote neighbor or MAC. */ | |
4776 | if (n) { | |
4777 | /* When the MAC changes for an IP, it is possible the | |
4778 | * client may | |
4779 | * update the new MAC before trying to delete the "old" | |
4780 | * neighbor | |
4781 | * (as these are two different MACIP routes). Do the | |
4782 | * delete only | |
4783 | * if the MAC matches. | |
4784 | */ | |
4785 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4786 | && (memcmp(n->emac.octet, macaddr.octet, | |
ff8b7eb8 | 4787 | ETH_ALEN) |
d62a17ae | 4788 | == 0)) { |
4789 | zvni_neigh_uninstall(zvni, n); | |
4790 | zvni_neigh_del(zvni, n); | |
4791 | zvni_deref_ip2mac(zvni, mac, 1); | |
4792 | } | |
4793 | } else { | |
4794 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
2853fed6 | 4795 | zvni_process_neigh_on_remote_mac_del(zvni, |
b6938a74 MK |
4796 | mac); |
4797 | ||
0a97666d | 4798 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 4799 | zvni_mac_uninstall(zvni, mac, 0); |
4800 | zvni_mac_del(zvni, mac); | |
4801 | } else | |
4802 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4803 | } | |
4804 | } | |
4805 | } | |
4806 | ||
ec93aa12 | 4807 | stream_failure: |
d62a17ae | 4808 | return 0; |
2232a77c | 4809 | } |
4810 | ||
4811 | /* | |
4812 | * Handle message from client to add a remote MACIP for a VNI. This | |
4813 | * could be just the add of a MAC address or the add of a neighbor | |
4814 | * (IP+MAC). | |
4815 | */ | |
e4bd522a | 4816 | int zebra_vxlan_remote_macip_add(struct zserv *client, u_short length, |
d62a17ae | 4817 | struct zebra_vrf *zvrf) |
4818 | { | |
4819 | struct stream *s; | |
4820 | vni_t vni; | |
4821 | struct ethaddr macaddr; | |
4822 | struct ipaddr ip; | |
4823 | struct in_addr vtep_ip; | |
4824 | zebra_vni_t *zvni; | |
4825 | zebra_vtep_t *zvtep; | |
4826 | zebra_mac_t *mac, *old_mac; | |
4827 | zebra_neigh_t *n; | |
4828 | u_short l = 0, ipa_len; | |
4829 | int update_mac = 0, update_neigh = 0; | |
4830 | char buf[ETHER_ADDR_STRLEN]; | |
4831 | char buf1[INET6_ADDRSTRLEN]; | |
4832 | u_char sticky; | |
b5ebdc9b | 4833 | struct interface *ifp = NULL; |
4834 | struct zebra_if *zif = NULL; | |
d62a17ae | 4835 | |
b7cfce93 | 4836 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4837 | memset(&ip, 0, sizeof(struct ipaddr)); |
4838 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4839 | ||
ec93aa12 DS |
4840 | if (!EVPN_ENABLED(zvrf)) { |
4841 | zlog_warn("%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
4842 | __PRETTY_FUNCTION__); | |
4843 | return -1; | |
4844 | } | |
d62a17ae | 4845 | |
4846 | s = client->ibuf; | |
4847 | ||
4848 | while (l < length) { | |
4849 | /* Obtain each remote MACIP and process. */ | |
4850 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
4851 | * followed by remote VTEP IP. | |
4852 | */ | |
4853 | update_mac = update_neigh = 0; | |
4854 | mac = NULL; | |
4855 | n = NULL; | |
4856 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
4857 | STREAM_GETL(s, vni); |
4858 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
4859 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 4860 | if (ipa_len) { |
4861 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
4862 | : IPADDR_V6; | |
ec93aa12 | 4863 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 4864 | } |
ff8b7eb8 | 4865 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 4866 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 4867 | l += IPV4_MAX_BYTELEN; |
4868 | ||
4869 | /* Get 'sticky' flag. */ | |
ec93aa12 | 4870 | STREAM_GETC(s, sticky); |
d62a17ae | 4871 | l++; |
4872 | ||
4873 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4874 | zlog_debug( | |
b80320d7 | 4875 | "Recv MACIP Add %sMAC %s IP %s VNI %u Remote VTEP %s from %s", |
2853fed6 | 4876 | sticky ? "sticky " : "", |
d62a17ae | 4877 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
4878 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
4879 | inet_ntoa(vtep_ip), | |
4880 | zebra_route_string(client->proto)); | |
4881 | ||
4882 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 4883 | zvni = zvni_lookup(vni); |
d62a17ae | 4884 | if (!zvni) { |
4885 | zlog_err( | |
2853fed6 | 4886 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
4887 | vni); | |
d62a17ae | 4888 | continue; |
4889 | } | |
b5ebdc9b | 4890 | ifp = zvni->vxlan_if; |
4891 | if (!ifp) { | |
d62a17ae | 4892 | zlog_err( |
4893 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
4894 | vni, zvni); | |
4895 | continue; | |
4896 | } | |
b5ebdc9b | 4897 | zif = ifp->info; |
4898 | ||
4899 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 4900 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 4901 | continue; |
4902 | ||
4903 | /* The remote VTEP specified should normally exist, but it is | |
4904 | * possible | |
4905 | * that when peering comes up, peer may advertise MACIP routes | |
4906 | * before | |
4907 | * advertising type-3 routes. | |
4908 | */ | |
4909 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
4910 | if (!zvtep) { | |
4911 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4912 | zlog_err( | |
2853fed6 | 4913 | "Failed to add remote VTEP, VNI %u zvni %p", |
4914 | vni, zvni); | |
d62a17ae | 4915 | continue; |
4916 | } | |
4917 | ||
4918 | zvni_vtep_install(zvni, &vtep_ip); | |
4919 | } | |
4920 | ||
4921 | /* First, check if the remote MAC is unknown or has a change. If | |
4922 | * so, | |
4923 | * that needs to be updated first. Note that client could | |
4924 | * install | |
4925 | * MAC and MACIP separately or just install the latter. | |
4926 | */ | |
4927 | mac = zvni_mac_lookup(zvni, &macaddr); | |
4928 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
4929 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
4930 | != sticky | |
4931 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
4932 | update_mac = 1; | |
4933 | ||
4934 | if (update_mac) { | |
4935 | if (!mac) { | |
4936 | mac = zvni_mac_add(zvni, &macaddr); | |
4937 | if (!mac) { | |
4938 | zlog_warn( | |
2853fed6 | 4939 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 4940 | prefix_mac2str(&macaddr, buf, |
4941 | sizeof(buf)), | |
4942 | vni, inet_ntoa(vtep_ip)); | |
4943 | return -1; | |
4944 | } | |
4945 | ||
4946 | /* Is this MAC created for a MACIP? */ | |
4947 | if (ipa_len) | |
4948 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 4949 | } |
4950 | ||
4951 | /* Set "auto" and "remote" forwarding info. */ | |
4952 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4953 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4954 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4955 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4956 | ||
4957 | if (sticky) | |
4958 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4959 | else | |
4960 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4961 | ||
2853fed6 | 4962 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 4963 | |
d62a17ae | 4964 | /* Install the entry. */ |
4965 | zvni_mac_install(zvni, mac); | |
4966 | } | |
4967 | ||
4968 | /* If there is no IP, continue - after clearing AUTO flag of | |
4969 | * MAC. */ | |
4970 | if (!ipa_len) { | |
4971 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4972 | continue; | |
4973 | } | |
4974 | ||
4975 | /* Check if the remote neighbor itself is unknown or has a | |
4976 | * change. | |
4977 | * If so, create or update and then install the entry. | |
4978 | */ | |
4979 | n = zvni_neigh_lookup(zvni, &ip); | |
4980 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4981 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
4982 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
4983 | update_neigh = 1; | |
4984 | ||
4985 | if (update_neigh) { | |
4986 | if (!n) { | |
b6938a74 | 4987 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 4988 | if (!n) { |
4989 | zlog_warn( | |
2853fed6 | 4990 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 4991 | ipaddr2str(&ip, buf1, |
4992 | sizeof(buf1)), | |
4993 | prefix_mac2str(&macaddr, buf, | |
4994 | sizeof(buf)), | |
4995 | vni, inet_ntoa(vtep_ip)); | |
4996 | return -1; | |
4997 | } | |
4998 | ||
d62a17ae | 4999 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5000 | != 0) { | |
0a97666d MK |
5001 | /* MAC change, update neigh list for old and new |
5002 | * mac */ | |
d62a17ae | 5003 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5004 | if (old_mac) { |
5005 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5006 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5007 | } |
5008 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5009 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5010 | } |
5011 | ||
5012 | /* Set "remote" forwarding info. */ | |
5013 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5014 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5015 | n->r_vtep_ip = vtep_ip; |
5016 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5017 | ||
5018 | /* Install the entry. */ | |
5019 | zvni_neigh_install(zvni, n); | |
5020 | } | |
5021 | } | |
5022 | ||
ec93aa12 | 5023 | stream_failure: |
d62a17ae | 5024 | return 0; |
13d60d35 | 5025 | } |
5026 | ||
5027 | /* | |
2232a77c | 5028 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5029 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5030 | * of any prior local MAC. | |
13d60d35 | 5031 | */ |
d62a17ae | 5032 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5033 | struct interface *br_if, | |
5034 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5035 | { |
d62a17ae | 5036 | struct zebra_if *zif; |
d62a17ae | 5037 | struct zebra_l2info_vxlan *vxl; |
5038 | vni_t vni; | |
5039 | zebra_vni_t *zvni; | |
5040 | zebra_mac_t *mac; | |
5041 | char buf[ETHER_ADDR_STRLEN]; | |
5042 | u_char sticky; | |
13d60d35 | 5043 | |
d62a17ae | 5044 | zif = ifp->info; |
5045 | assert(zif); | |
5046 | vxl = &zif->l2info.vxl; | |
5047 | vni = vxl->vni; | |
13d60d35 | 5048 | |
2853fed6 | 5049 | /* Check if EVPN is enabled. */ |
5050 | if (!is_evpn_enabled()) | |
d62a17ae | 5051 | return 0; |
13d60d35 | 5052 | |
d62a17ae | 5053 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5054 | zvni = zvni_lookup(vni); |
d62a17ae | 5055 | if (!zvni) |
5056 | return 0; | |
13d60d35 | 5057 | |
d62a17ae | 5058 | /* If entry doesn't exist, nothing to do. */ |
5059 | mac = zvni_mac_lookup(zvni, macaddr); | |
5060 | if (!mac) | |
5061 | return 0; | |
13d60d35 | 5062 | |
d62a17ae | 5063 | /* Is it a local entry? */ |
5064 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5065 | return 0; | |
13d60d35 | 5066 | |
d62a17ae | 5067 | if (IS_ZEBRA_DEBUG_VXLAN) |
5068 | zlog_debug( | |
2853fed6 | 5069 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
5070 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
d62a17ae | 5071 | ifp->name, ifp->ifindex, vni); |
13d60d35 | 5072 | |
d62a17ae | 5073 | /* Remove MAC from BGP. */ |
5074 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
2853fed6 | 5075 | zvni_mac_send_del_to_client(zvni->vni, macaddr, |
1a98c087 | 5076 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); |
13d60d35 | 5077 | |
b6938a74 MK |
5078 | /* |
5079 | * If there are no neigh associated with the mac delete the mac | |
5080 | * else mark it as AUTO for forward reference | |
5081 | */ | |
5082 | if (!listcount(mac->neigh_list)) { | |
5083 | zvni_mac_del(zvni, mac); | |
5084 | } else { | |
5085 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5086 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5087 | } | |
13d60d35 | 5088 | |
d62a17ae | 5089 | return 0; |
13d60d35 | 5090 | } |
5091 | ||
5092 | /* | |
2232a77c | 5093 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5094 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5095 | * so the kernel can ageout the entry. | |
13d60d35 | 5096 | */ |
d62a17ae | 5097 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5098 | struct interface *br_if, | |
5099 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5100 | { |
d62a17ae | 5101 | struct zebra_if *zif; |
d62a17ae | 5102 | struct zebra_l2info_vxlan *vxl; |
5103 | vni_t vni; | |
5104 | zebra_vni_t *zvni; | |
5105 | zebra_mac_t *mac; | |
5106 | char buf[ETHER_ADDR_STRLEN]; | |
2232a77c | 5107 | |
d62a17ae | 5108 | zif = ifp->info; |
5109 | assert(zif); | |
5110 | vxl = &zif->l2info.vxl; | |
5111 | vni = vxl->vni; | |
2232a77c | 5112 | |
2853fed6 | 5113 | /* Check if EVPN is enabled. */ |
5114 | if (!is_evpn_enabled()) | |
d62a17ae | 5115 | return 0; |
2232a77c | 5116 | |
d62a17ae | 5117 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5118 | zvni = zvni_lookup(vni); |
d62a17ae | 5119 | if (!zvni) |
5120 | return 0; | |
13d60d35 | 5121 | |
d62a17ae | 5122 | /* If entry doesn't exist, nothing to do. */ |
5123 | mac = zvni_mac_lookup(zvni, macaddr); | |
5124 | if (!mac) | |
5125 | return 0; | |
2232a77c | 5126 | |
d62a17ae | 5127 | /* Is it a remote entry? */ |
5128 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5129 | return 0; | |
2232a77c | 5130 | |
d62a17ae | 5131 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5132 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5133 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5134 | ifp->ifindex, vni); | |
13d60d35 | 5135 | |
d62a17ae | 5136 | zvni_mac_install(zvni, mac); |
5137 | return 0; | |
13d60d35 | 5138 | } |
5139 | ||
5140 | /* | |
2232a77c | 5141 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5142 | */ |
d62a17ae | 5143 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5144 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5145 | { |
d62a17ae | 5146 | zebra_vni_t *zvni; |
5147 | zebra_mac_t *mac; | |
d62a17ae | 5148 | char buf[ETHER_ADDR_STRLEN]; |
5149 | u_char sticky; | |
13d60d35 | 5150 | |
d62a17ae | 5151 | /* We are interested in MACs only on ports or (port, VLAN) that |
5152 | * map to a VNI. | |
5153 | */ | |
5154 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5155 | if (!zvni) | |
5156 | return 0; | |
5157 | if (!zvni->vxlan_if) { | |
5158 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5159 | zvni->vni, zvni); | |
5160 | return -1; | |
5161 | } | |
13d60d35 | 5162 | |
d62a17ae | 5163 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5164 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5165 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5166 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5167 | |
d62a17ae | 5168 | /* If entry doesn't exist, nothing to do. */ |
5169 | mac = zvni_mac_lookup(zvni, macaddr); | |
5170 | if (!mac) | |
5171 | return 0; | |
2232a77c | 5172 | |
d62a17ae | 5173 | /* Is it a local entry? */ |
5174 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5175 | return 0; | |
2232a77c | 5176 | |
d62a17ae | 5177 | /* Remove MAC from BGP. */ |
5178 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; | |
2853fed6 | 5179 | zvni_mac_send_del_to_client(zvni->vni, macaddr, |
1a98c087 | 5180 | (sticky ? ZEBRA_MAC_TYPE_STICKY : 0)); |
2232a77c | 5181 | |
b6938a74 | 5182 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5183 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5184 | |
5185 | /* | |
5186 | * If there are no neigh associated with the mac delete the mac | |
5187 | * else mark it as AUTO for forward reference | |
5188 | */ | |
5189 | if (!listcount(mac->neigh_list)) { | |
5190 | zvni_mac_del(zvni, mac); | |
5191 | } else { | |
5192 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5193 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5194 | } | |
2232a77c | 5195 | |
d62a17ae | 5196 | return 0; |
13d60d35 | 5197 | } |
5198 | ||
5199 | /* | |
2232a77c | 5200 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5201 | */ |
d62a17ae | 5202 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5203 | struct interface *br_if, | |
5204 | struct ethaddr *macaddr, vlanid_t vid, | |
5205 | u_char sticky) | |
5206 | { | |
5207 | zebra_vni_t *zvni; | |
5208 | zebra_mac_t *mac; | |
d62a17ae | 5209 | char buf[ETHER_ADDR_STRLEN]; |
5210 | int add = 1; | |
5211 | u_char mac_sticky; | |
5212 | ||
5213 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5214 | * map to a VNI. | |
5215 | */ | |
5216 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5217 | if (!zvni) { | |
5218 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5219 | zlog_debug( | |
2853fed6 | 5220 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5221 | sticky ? "sticky " : "", | |
d62a17ae | 5222 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5223 | ifp->name, ifp->ifindex, vid); | |
5224 | return 0; | |
5225 | } | |
5226 | ||
5227 | if (!zvni->vxlan_if) { | |
5228 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5229 | zvni->vni, zvni); | |
5230 | return -1; | |
5231 | } | |
5232 | ||
5233 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5234 | zlog_debug( | |
2853fed6 | 5235 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5236 | sticky ? "sticky " : "", | |
d62a17ae | 5237 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5238 | ifp->ifindex, vid, zvni->vni); | |
5239 | ||
5240 | /* If same entry already exists, nothing to do. */ | |
5241 | mac = zvni_mac_lookup(zvni, macaddr); | |
5242 | if (mac) { | |
5243 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5244 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5245 | ? 1 | |
5246 | : 0; | |
5247 | ||
b6938a74 | 5248 | |
b8ce75a5 MK |
5249 | /* |
5250 | * return if nothing has changed. | |
5251 | * inform bgp if sticky flag has changed | |
5252 | * update locally and do not inform bgp if local | |
5253 | * parameters like interface has changed | |
5254 | */ | |
d62a17ae | 5255 | if (mac_sticky == sticky |
5256 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5257 | && mac->fwd_info.local.vid == vid) { | |
5258 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5259 | zlog_debug( | |
2853fed6 | 5260 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5261 | "entry exists and has not changed ", |
d62a17ae | 5262 | sticky ? "sticky " : "", |
5263 | prefix_mac2str(macaddr, buf, | |
5264 | sizeof(buf)), | |
5265 | ifp->name, ifp->ifindex, vid, | |
5266 | zvni->vni); | |
5267 | return 0; | |
b6938a74 | 5268 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5269 | add = 1; |
b6938a74 | 5270 | } else { |
b8ce75a5 MK |
5271 | add = 0; /* This is an update of local |
5272 | interface. */ | |
b6938a74 | 5273 | } |
421bb26a MK |
5274 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5275 | /* | |
5276 | * If we have already learned the MAC as a remote sticky | |
5277 | * MAC, | |
5278 | * this is a operator error and we must log a warning | |
5279 | */ | |
8f4b98ee | 5280 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5281 | zlog_warn( |
5282 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5283 | prefix_mac2str(macaddr, buf, | |
5284 | sizeof(buf)), | |
5285 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5286 | zvni->vni); | |
8f4b98ee MK |
5287 | return 0; |
5288 | } | |
d62a17ae | 5289 | } |
5290 | } | |
5291 | ||
d62a17ae | 5292 | if (!mac) { |
5293 | mac = zvni_mac_add(zvni, macaddr); | |
5294 | if (!mac) { | |
2853fed6 | 5295 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
d62a17ae | 5296 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5297 | ifp->name, ifp->ifindex, vid); | |
5298 | return -1; | |
5299 | } | |
5300 | } | |
5301 | ||
5302 | /* Set "local" forwarding info. */ | |
5303 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5304 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5305 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5306 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5307 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5308 | mac->fwd_info.local.vid = vid; | |
5309 | ||
5310 | if (sticky) | |
5311 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5312 | else | |
5313 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5314 | ||
5315 | /* Inform BGP if required. */ | |
b6938a74 | 5316 | if (add) { |
2853fed6 | 5317 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5318 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
b6938a74 MK |
5319 | sticky); |
5320 | } | |
d62a17ae | 5321 | |
5322 | return 0; | |
2232a77c | 5323 | } |
13d60d35 | 5324 | |
5325 | /* | |
5326 | * Handle message from client to delete a remote VTEP for a VNI. | |
5327 | */ | |
e4bd522a | 5328 | int zebra_vxlan_remote_vtep_del(struct zserv *client, u_short length, |
d62a17ae | 5329 | struct zebra_vrf *zvrf) |
5330 | { | |
5331 | struct stream *s; | |
5332 | u_short l = 0; | |
5333 | vni_t vni; | |
5334 | struct in_addr vtep_ip; | |
5335 | zebra_vni_t *zvni; | |
5336 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5337 | struct interface *ifp; |
5338 | struct zebra_if *zif; | |
d62a17ae | 5339 | |
ec93aa12 DS |
5340 | if (!is_evpn_enabled()) { |
5341 | zlog_warn("%s: EVPN is not enabled yet we have received a vtep del command", | |
5342 | __PRETTY_FUNCTION__); | |
5343 | return -1; | |
5344 | } | |
5345 | ||
2853fed6 | 5346 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5347 | zlog_err("Recv MACIP DEL for non-default VRF %u", | |
5348 | zvrf_id(zvrf)); | |
5349 | return -1; | |
5350 | } | |
5351 | ||
d62a17ae | 5352 | s = client->ibuf; |
5353 | ||
5354 | while (l < length) { | |
5355 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5356 | STREAM_GETL(s, vni); |
d62a17ae | 5357 | l += 4; |
ec93aa12 | 5358 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5359 | l += IPV4_MAX_BYTELEN; |
5360 | ||
5361 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5362 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5363 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5364 | zebra_route_string(client->proto)); |
5365 | ||
5366 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5367 | zvni = zvni_lookup(vni); |
d62a17ae | 5368 | if (!zvni) { |
5369 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5370 | zlog_debug( | |
5371 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5372 | "VNI %u", |
5373 | vni); | |
d62a17ae | 5374 | continue; |
5375 | } | |
5376 | ||
b5ebdc9b | 5377 | ifp = zvni->vxlan_if; |
5378 | if (!ifp) { | |
60466a63 QY |
5379 | zlog_err( |
5380 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", | |
5381 | zvni->vni, zvni); | |
b682f6de | 5382 | continue; |
b5ebdc9b | 5383 | } |
5384 | zif = ifp->info; | |
5385 | ||
5386 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5387 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5388 | continue; |
5389 | ||
d62a17ae | 5390 | /* If the remote VTEP does not exist, there's nothing more to |
5391 | * do. | |
5392 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5393 | * and | |
5394 | * then, the VTEP entry itself and remove it. | |
5395 | */ | |
5396 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5397 | if (!zvtep) | |
5398 | continue; | |
5399 | ||
5400 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5401 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5402 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5403 | zvni_vtep_del(zvni, zvtep); | |
5404 | } | |
5405 | ||
ec93aa12 | 5406 | stream_failure: |
d62a17ae | 5407 | return 0; |
13d60d35 | 5408 | } |
5409 | ||
5410 | /* | |
5411 | * Handle message from client to add a remote VTEP for a VNI. | |
5412 | */ | |
e4bd522a | 5413 | int zebra_vxlan_remote_vtep_add(struct zserv *client, u_short length, |
d62a17ae | 5414 | struct zebra_vrf *zvrf) |
5415 | { | |
5416 | struct stream *s; | |
5417 | u_short l = 0; | |
5418 | vni_t vni; | |
5419 | struct in_addr vtep_ip; | |
5420 | zebra_vni_t *zvni; | |
b5ebdc9b | 5421 | struct interface *ifp; |
5422 | struct zebra_if *zif; | |
d62a17ae | 5423 | |
ec93aa12 DS |
5424 | if (!is_evpn_enabled()) { |
5425 | zlog_warn("%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5426 | __PRETTY_FUNCTION__); | |
5427 | return -1; | |
5428 | } | |
5429 | ||
2853fed6 | 5430 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5431 | zlog_err("Recv MACIP ADD for non-default VRF %u", | |
5432 | zvrf_id(zvrf)); | |
5433 | return -1; | |
5434 | } | |
d62a17ae | 5435 | |
5436 | s = client->ibuf; | |
5437 | ||
5438 | while (l < length) { | |
5439 | /* Obtain each remote VTEP and process. */ | |
ec93aa12 | 5440 | STREAM_GETL(s, vni); |
d62a17ae | 5441 | l += 4; |
ec93aa12 | 5442 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5443 | l += IPV4_MAX_BYTELEN; |
5444 | ||
5445 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5446 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5447 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5448 | zebra_route_string(client->proto)); |
5449 | ||
5450 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5451 | zvni = zvni_lookup(vni); |
d62a17ae | 5452 | if (!zvni) { |
5453 | zlog_err( | |
2853fed6 | 5454 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5455 | vni); | |
d62a17ae | 5456 | continue; |
5457 | } | |
b5ebdc9b | 5458 | |
5459 | ifp = zvni->vxlan_if; | |
5460 | if (!ifp) { | |
d62a17ae | 5461 | zlog_err( |
5462 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
5463 | zvni->vni, zvni); | |
5464 | continue; | |
5465 | } | |
5466 | ||
b5ebdc9b | 5467 | zif = ifp->info; |
d62a17ae | 5468 | |
b5ebdc9b | 5469 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5470 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5471 | continue; |
5472 | ||
b682f6de | 5473 | /* If the remote VTEP already exists, |
5474 | there's nothing more to do. */ | |
b5ebdc9b | 5475 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5476 | continue; |
5477 | ||
5478 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5479 | zlog_err( | |
2853fed6 | 5480 | "Failed to add remote VTEP, VNI %u zvni %p", |
5481 | vni, zvni); | |
d62a17ae | 5482 | continue; |
5483 | } | |
5484 | ||
5485 | zvni_vtep_install(zvni, &vtep_ip); | |
5486 | } | |
5487 | ||
ec93aa12 | 5488 | stream_failure: |
d62a17ae | 5489 | return 0; |
13d60d35 | 5490 | } |
5491 | ||
1a98c087 MK |
5492 | /* |
5493 | * Add/Del gateway macip to evpn | |
5494 | * g/w can be: | |
5495 | * 1. SVI interface on a vlan aware bridge | |
5496 | * 2. SVI interface on a vlan unaware bridge | |
5497 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5498 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5499 | */ | |
5500 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5501 | int add) | |
5502 | { | |
5503 | struct ipaddr ip; | |
5504 | struct ethaddr macaddr; | |
5505 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5506 | |
5507 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5508 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5509 | ||
2853fed6 | 5510 | /* Check if EVPN is enabled. */ |
5511 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5512 | return 0; |
5513 | ||
1a98c087 MK |
5514 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5515 | struct interface *svi_if = | |
5516 | NULL; /* SVI corresponding to the MACVLAN */ | |
5517 | struct zebra_if *ifp_zif = | |
5518 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5519 | struct zebra_if *svi_if_zif = | |
5520 | NULL; /* Zebra daemon specific info for SVI*/ | |
5521 | ||
5522 | ifp_zif = ifp->info; | |
5523 | if (!ifp_zif) | |
5524 | return -1; | |
5525 | ||
71349e03 MK |
5526 | /* |
5527 | * for a MACVLAN interface the link represents the svi_if | |
5528 | */ | |
5529 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5530 | ifp_zif->link_ifindex); | |
1a98c087 | 5531 | if (!svi_if) { |
2853fed6 | 5532 | zlog_err("MACVLAN %s(%u) without link information", |
5533 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5534 | return -1; |
5535 | } | |
5536 | ||
5537 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5538 | /* |
5539 | * If it is a vlan aware bridge then the link gives the | |
5540 | * bridge information | |
5541 | */ | |
5542 | struct interface *svi_if_link = NULL; | |
5543 | ||
1a98c087 | 5544 | svi_if_zif = svi_if->info; |
71349e03 MK |
5545 | if (svi_if_zif) { |
5546 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5547 | zebra_ns_lookup(NS_DEFAULT), |
5548 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5549 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5550 | } |
1a98c087 | 5551 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5552 | /* |
5553 | * If it is a vlan unaware bridge then svi is the bridge | |
5554 | * itself | |
5555 | */ | |
b7cfce93 | 5556 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5557 | } |
5558 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5559 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5560 | NULL; /* Zebra daemon specific info for SVI */ |
5561 | struct interface *svi_if_link = | |
5562 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5563 | |
5564 | svi_if_zif = ifp->info; | |
60466a63 QY |
5565 | svi_if_link = if_lookup_by_index_per_ns( |
5566 | zebra_ns_lookup(NS_DEFAULT), svi_if_zif->link_ifindex); | |
71349e03 | 5567 | if (svi_if_zif && svi_if_link) |
b7cfce93 | 5568 | zvni = zvni_from_svi(ifp, svi_if_link); |
1a98c087 | 5569 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5570 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5571 | } |
5572 | ||
5573 | if (!zvni) | |
5574 | return 0; | |
5575 | ||
5576 | if (!zvni->vxlan_if) { | |
5577 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
5578 | zvni->vni, zvni); | |
5579 | return -1; | |
5580 | } | |
5581 | ||
1a98c087 MK |
5582 | |
5583 | /* check if we are advertising gw macip routes */ | |
2853fed6 | 5584 | if (!advertise_gw_macip_enabled(zvni)) |
1a98c087 MK |
5585 | return 0; |
5586 | ||
5587 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
5588 | ||
5589 | if (p->family == AF_INET) { | |
5590 | ip.ipa_type = IPADDR_V4; | |
5591 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5592 | sizeof(struct in_addr)); | |
5593 | } else if (p->family == AF_INET6) { | |
5594 | ip.ipa_type = IPADDR_V6; | |
5595 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5596 | sizeof(struct in6_addr)); | |
5597 | } | |
5598 | ||
5599 | ||
5600 | if (add) | |
5601 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5602 | else | |
5603 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5604 | ||
5605 | return 0; | |
5606 | } | |
5607 | ||
2232a77c | 5608 | /* |
b7cfce93 MK |
5609 | * Handle SVI interface going down. |
5610 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5611 | * For L2-VNI: At this point, this is a NOP since | |
5612 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5613 | * We only need to update the vrf corresponding to zvni. | |
5614 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5615 | * from bgp | |
2232a77c | 5616 | */ |
d62a17ae | 5617 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5618 | { |
b7cfce93 MK |
5619 | zebra_l3vni_t *zl3vni = NULL; |
5620 | ||
5621 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5622 | if (zl3vni) { | |
5623 | ||
5624 | /* process l3-vni down */ | |
5625 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5626 | ||
5627 | /* remove association with svi-if */ | |
5628 | zl3vni->svi_if = NULL; | |
5629 | } else { | |
5630 | zebra_vni_t *zvni = NULL; | |
5631 | ||
5632 | /* since we dont have svi corresponding to zvni, we associate it | |
5633 | * to default vrf. Note: the corresponding neigh entries on the | |
5634 | * SVI would have already been deleted */ | |
5635 | zvni = zvni_from_svi(ifp, link_if); | |
5636 | if (zvni) { | |
5637 | zvni->vrf_id = VRF_DEFAULT; | |
5638 | ||
5639 | /* update the tenant vrf in BGP */ | |
5640 | zvni_send_add_to_client(zvni); | |
5641 | } | |
5642 | } | |
d62a17ae | 5643 | return 0; |
2232a77c | 5644 | } |
5645 | ||
5646 | /* | |
b7cfce93 MK |
5647 | * Handle SVI interface coming up. |
5648 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
5649 | * vxlan intf). | |
5650 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
5651 | * apr-suppression) | |
5652 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 5653 | */ |
d62a17ae | 5654 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 5655 | { |
b7cfce93 MK |
5656 | zebra_vni_t *zvni = NULL; |
5657 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 5658 | |
b7cfce93 MK |
5659 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5660 | if (zl3vni) { | |
2232a77c | 5661 | |
b7cfce93 MK |
5662 | /* associate with svi */ |
5663 | zl3vni->svi_if = ifp; | |
2232a77c | 5664 | |
b7cfce93 MK |
5665 | /* process oper-up */ |
5666 | if (is_l3vni_oper_up(zl3vni)) | |
5667 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5668 | } else { | |
5669 | ||
5670 | /* process SVI up for l2-vni */ | |
5671 | struct neigh_walk_ctx n_wctx; | |
5672 | ||
5673 | zvni = zvni_from_svi(ifp, link_if); | |
5674 | if (!zvni) | |
5675 | return 0; | |
5676 | ||
5677 | if (!zvni->vxlan_if) { | |
5678 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
5679 | zvni->vni, zvni); | |
5680 | return -1; | |
5681 | } | |
5682 | ||
5683 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5684 | zlog_debug("SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
5685 | ifp->name, ifp->ifindex, zvni->vni, | |
5686 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 5687 | |
b7cfce93 MK |
5688 | /* update the vrf information for l2-vni and inform bgp */ |
5689 | zvni->vrf_id = ifp->vrf_id; | |
5690 | zvni_send_add_to_client(zvni); | |
5691 | ||
5692 | /* Install any remote neighbors for this VNI. */ | |
5693 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
5694 | n_wctx.zvni = zvni; | |
5695 | hash_iterate(zvni->neigh_table, | |
5696 | zvni_install_neigh_hash, | |
5697 | &n_wctx); | |
5698 | } | |
2232a77c | 5699 | |
d62a17ae | 5700 | return 0; |
2232a77c | 5701 | } |
5702 | ||
13d60d35 | 5703 | /* |
b7cfce93 | 5704 | * Handle VxLAN interface down |
13d60d35 | 5705 | */ |
d62a17ae | 5706 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 5707 | { |
d62a17ae | 5708 | vni_t vni; |
b7cfce93 MK |
5709 | struct zebra_if *zif = NULL; |
5710 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 5711 | |
2853fed6 | 5712 | /* Check if EVPN is enabled. */ |
5713 | if (!is_evpn_enabled()) | |
d62a17ae | 5714 | return 0; |
13d60d35 | 5715 | |
d62a17ae | 5716 | zif = ifp->info; |
5717 | assert(zif); | |
5718 | vxl = &zif->l2info.vxl; | |
5719 | vni = vxl->vni; | |
13d60d35 | 5720 | |
13d60d35 | 5721 | |
b7cfce93 MK |
5722 | if (is_vni_l3(vni)) { |
5723 | ||
5724 | /* process-if-down for l3-vni */ | |
5725 | zebra_l3vni_t *zl3vni = NULL; | |
5726 | ||
5727 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5728 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", | |
5729 | ifp->name, ifp->ifindex, vni); | |
5730 | ||
5731 | zl3vni = zl3vni_lookup(vni); | |
5732 | if (!zl3vni) { | |
5733 | zlog_err( | |
5734 | "Failed to locate L3-VNI hash at DOWN, IF %s(%u) VNI %u", | |
5735 | ifp->name, ifp->ifindex, vni); | |
5736 | return -1; | |
5737 | } | |
5738 | ||
5739 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5740 | ||
5741 | } else { | |
5742 | /* process if-down for l2-vni */ | |
5743 | zebra_vni_t *zvni; | |
5744 | ||
5745 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5746 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", | |
5747 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 5748 | |
b7cfce93 MK |
5749 | /* Locate hash entry; it is expected to exist. */ |
5750 | zvni = zvni_lookup(vni); | |
5751 | if (!zvni) { | |
5752 | zlog_err( | |
5753 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", | |
5754 | ifp->name, ifp->ifindex, vni); | |
5755 | return -1; | |
5756 | } | |
13d60d35 | 5757 | |
b7cfce93 | 5758 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 5759 | |
b7cfce93 MK |
5760 | /* Delete this VNI from BGP. */ |
5761 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 5762 | |
b7cfce93 MK |
5763 | /* Free up all neighbors and MACs, if any. */ |
5764 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
5765 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 5766 | |
b7cfce93 MK |
5767 | /* Free up all remote VTEPs, if any. */ |
5768 | zvni_vtep_del_all(zvni, 1); | |
5769 | } | |
d62a17ae | 5770 | return 0; |
13d60d35 | 5771 | } |
5772 | ||
5773 | /* | |
5774 | * Handle VxLAN interface up - update BGP if required. | |
5775 | */ | |
d62a17ae | 5776 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 5777 | { |
d62a17ae | 5778 | vni_t vni; |
b7cfce93 MK |
5779 | struct zebra_if *zif = NULL; |
5780 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 5781 | |
2853fed6 | 5782 | /* Check if EVPN is enabled. */ |
5783 | if (!is_evpn_enabled()) | |
d62a17ae | 5784 | return 0; |
13d60d35 | 5785 | |
d62a17ae | 5786 | zif = ifp->info; |
5787 | assert(zif); | |
5788 | vxl = &zif->l2info.vxl; | |
5789 | vni = vxl->vni; | |
13d60d35 | 5790 | |
b7cfce93 | 5791 | if (is_vni_l3(vni)) { |
13d60d35 | 5792 | |
b7cfce93 MK |
5793 | /* Handle L3-VNI add */ |
5794 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 5795 | |
b7cfce93 MK |
5796 | if (IS_ZEBRA_DEBUG_VXLAN) |
5797 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", | |
5798 | ifp->name, ifp->ifindex, vni); | |
13d60d35 | 5799 | |
b7cfce93 MK |
5800 | zl3vni = zl3vni_lookup(vni); |
5801 | if (!zl3vni) { | |
5802 | zlog_err( | |
5803 | "Failed to locate L3-VNI hash at UP, IF %s(%u) VNI %u", | |
5804 | ifp->name, ifp->ifindex, vni); | |
5805 | return -1; | |
5806 | } | |
5807 | ||
5808 | /* we need to associate with SVI, if any, we can associate with | |
5809 | * svi-if only after association with vxlan-intf is complete */ | |
5810 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
5811 | ||
5812 | if (is_l3vni_oper_up(zl3vni)) | |
5813 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5814 | } else { | |
5815 | /* Handle L2-VNI add */ | |
5816 | ||
5817 | zebra_vni_t *zvni = NULL; | |
5818 | zebra_l3vni_t *zl3vni = NULL; | |
5819 | struct interface *vlan_if = NULL; | |
5820 | ||
5821 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5822 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", | |
5823 | ifp->name, ifp->ifindex, vni); | |
5824 | ||
5825 | /* Locate hash entry; it is expected to exist. */ | |
5826 | zvni = zvni_lookup(vni); | |
5827 | if (!zvni) { | |
5828 | zlog_err( | |
5829 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", | |
5830 | ifp->name, ifp->ifindex, vni); | |
5831 | return -1; | |
5832 | } | |
5833 | ||
5834 | assert(zvni->vxlan_if == ifp); | |
5835 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5836 | zif->brslave_info.br_if); | |
5837 | if (vlan_if) { | |
5838 | zvni->vrf_id = vlan_if->vrf_id; | |
5839 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
5840 | if (zl3vni) | |
5841 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
5842 | } | |
5843 | ||
5844 | /* If part of a bridge, inform BGP about this VNI. */ | |
5845 | /* Also, read and populate local MACs and neighbors. */ | |
5846 | if (zif->brslave_info.br_if) { | |
5847 | zvni_send_add_to_client(zvni); | |
5848 | zvni_read_mac_neigh(zvni, ifp); | |
5849 | } | |
d62a17ae | 5850 | } |
13d60d35 | 5851 | |
d62a17ae | 5852 | return 0; |
13d60d35 | 5853 | } |
5854 | ||
5855 | /* | |
5856 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
5857 | * and update BGP, if required. | |
5858 | */ | |
d62a17ae | 5859 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 5860 | { |
d62a17ae | 5861 | vni_t vni; |
b7cfce93 MK |
5862 | struct zebra_if *zif = NULL; |
5863 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 5864 | |
2853fed6 | 5865 | /* Check if EVPN is enabled. */ |
5866 | if (!is_evpn_enabled()) | |
d62a17ae | 5867 | return 0; |
13d60d35 | 5868 | |
d62a17ae | 5869 | zif = ifp->info; |
5870 | assert(zif); | |
5871 | vxl = &zif->l2info.vxl; | |
5872 | vni = vxl->vni; | |
13d60d35 | 5873 | |
b7cfce93 | 5874 | if (is_vni_l3(vni)) { |
13d60d35 | 5875 | |
b7cfce93 MK |
5876 | /* process if-del for l3-vni */ |
5877 | zebra_l3vni_t *zl3vni = NULL; | |
5878 | ||
5879 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5880 | zlog_debug("Del L3-VNI %u intf %s(%u)", | |
5881 | vni, ifp->name, ifp->ifindex); | |
13d60d35 | 5882 | |
b7cfce93 MK |
5883 | zl3vni = zl3vni_lookup(vni); |
5884 | if (!zl3vni) { | |
5885 | zlog_err( | |
5886 | "Failed to locate L3-VNI hash at del, IF %s(%u) VNI %u", | |
5887 | ifp->name, ifp->ifindex, vni); | |
5888 | return 0; | |
5889 | } | |
13d60d35 | 5890 | |
b7cfce93 MK |
5891 | /* process oper-down for l3-vni */ |
5892 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 5893 | |
b7cfce93 MK |
5894 | /* remove the association with vxlan_if */ |
5895 | zl3vni->vxlan_if = NULL; | |
5896 | } else { | |
13d60d35 | 5897 | |
b7cfce93 MK |
5898 | /* process if-del for l2-vni*/ |
5899 | zebra_vni_t *zvni = NULL; | |
5900 | zebra_l3vni_t *zl3vni = NULL; | |
5901 | ||
5902 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5903 | zlog_debug("Del L2-VNI %u intf %s(%u)", | |
5904 | vni, ifp->name, ifp->ifindex); | |
5905 | ||
5906 | /* Locate hash entry; it is expected to exist. */ | |
5907 | zvni = zvni_lookup(vni); | |
5908 | if (!zvni) { | |
5909 | zlog_err( | |
5910 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", | |
5911 | ifp->name, ifp->ifindex, vni); | |
5912 | return 0; | |
5913 | } | |
5914 | ||
5915 | /* remove from l3-vni list */ | |
5916 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
5917 | if (zl3vni) | |
5918 | listnode_delete(zl3vni->l2vnis, zvni); | |
5919 | ||
5920 | /* Delete VNI from BGP. */ | |
5921 | zvni_send_del_to_client(zvni->vni); | |
5922 | ||
5923 | /* Free up all neighbors and MAC, if any. */ | |
5924 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
5925 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
5926 | ||
5927 | /* Free up all remote VTEPs, if any. */ | |
5928 | zvni_vtep_del_all(zvni, 0); | |
5929 | ||
5930 | /* Delete the hash entry. */ | |
5931 | if (zvni_del(zvni)) { | |
5932 | zlog_err("Failed to del VNI hash %p, IF %s(%u) VNI %u", | |
5933 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
5934 | return -1; | |
5935 | } | |
d62a17ae | 5936 | } |
13d60d35 | 5937 | |
d62a17ae | 5938 | return 0; |
13d60d35 | 5939 | } |
5940 | ||
5941 | /* | |
5942 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
5943 | */ | |
d62a17ae | 5944 | int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags) |
5945 | { | |
d62a17ae | 5946 | vni_t vni; |
b7cfce93 MK |
5947 | struct zebra_if *zif = NULL; |
5948 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5949 | |
2853fed6 | 5950 | /* Check if EVPN is enabled. */ |
5951 | if (!is_evpn_enabled()) | |
d62a17ae | 5952 | return 0; |
5953 | ||
5954 | zif = ifp->info; | |
5955 | assert(zif); | |
5956 | vxl = &zif->l2info.vxl; | |
5957 | vni = vxl->vni; | |
5958 | ||
b7cfce93 MK |
5959 | if (is_vni_l3(vni)) { |
5960 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 5961 | |
b7cfce93 MK |
5962 | zl3vni = zl3vni_lookup(vni); |
5963 | if (!zl3vni) { | |
5964 | zlog_err( | |
5965 | "Failed to find L3-VNI hash on update, IF %s(%u) VNI %u", | |
5966 | ifp->name, ifp->ifindex, vni); | |
5967 | return -1; | |
5968 | } | |
af026ae4 | 5969 | |
b7cfce93 MK |
5970 | if (IS_ZEBRA_DEBUG_VXLAN) |
5971 | zlog_debug( | |
5972 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
5973 | vni, ifp->name, ifp->ifindex, | |
5974 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
5975 | zif->brslave_info.bridge_ifindex, chgflags); | |
5976 | ||
5977 | /* Removed from bridge? Cleanup and return */ | |
5978 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
5979 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
5980 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5981 | return 0; | |
5982 | } | |
5983 | ||
5984 | /* access-vlan change - process oper down, associate with new | |
5985 | * svi_if and then process oper up again */ | |
5986 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
5987 | if (if_is_operative(ifp)) { | |
5988 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5989 | zl3vni->svi_if = NULL; | |
5990 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
5991 | if (is_l3vni_oper_up(zl3vni)) | |
5992 | zebra_vxlan_process_l3vni_oper_up( | |
5993 | zl3vni); | |
5994 | } | |
5995 | } | |
d62a17ae | 5996 | |
b7cfce93 MK |
5997 | /* if we have a valid new master, process l3-vni oper up */ |
5998 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
5999 | if (is_l3vni_oper_up(zl3vni)) | |
6000 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6001 | } | |
6002 | } else { | |
6003 | zebra_vni_t *zvni = NULL; | |
d62a17ae | 6004 | |
b7cfce93 MK |
6005 | /* Update VNI hash. */ |
6006 | zvni = zvni_lookup(vni); | |
6007 | if (!zvni) { | |
6008 | zlog_err( | |
6009 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", | |
6010 | ifp->name, ifp->ifindex, vni); | |
6011 | return -1; | |
6012 | } | |
d62a17ae | 6013 | |
b7cfce93 MK |
6014 | if (IS_ZEBRA_DEBUG_VXLAN) |
6015 | zlog_debug( | |
6016 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
6017 | vni, ifp->name, ifp->ifindex, | |
6018 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6019 | zif->brslave_info.bridge_ifindex, chgflags); | |
6020 | ||
6021 | /* Removed from bridge? Cleanup and return */ | |
6022 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6023 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6024 | /* Delete from client, remove all remote VTEPs */ | |
6025 | /* Also, free up all MACs and neighbors. */ | |
6026 | zvni_send_del_to_client(zvni->vni); | |
6027 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6028 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6029 | zvni_vtep_del_all(zvni, 1); | |
6030 | return 0; | |
6031 | } | |
d62a17ae | 6032 | |
b7cfce93 MK |
6033 | /* Handle other changes. */ |
6034 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6035 | /* Remove all existing local neigh and MACs for this VNI | |
6036 | * (including from BGP) | |
6037 | */ | |
6038 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6039 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6040 | } | |
d62a17ae | 6041 | |
b7cfce93 MK |
6042 | zvni->local_vtep_ip = vxl->vtep_ip; |
6043 | zvni->vxlan_if = ifp; | |
d62a17ae | 6044 | |
b7cfce93 MK |
6045 | /* Take further actions needed. |
6046 | * Note that if we are here, there is a change of interest. | |
6047 | */ | |
6048 | /* If down or not mapped to a bridge, we're done. */ | |
6049 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6050 | return 0; | |
d62a17ae | 6051 | |
b7cfce93 MK |
6052 | /* Inform BGP, if there is a change of interest. */ |
6053 | if (chgflags | |
6054 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6055 | zvni_send_add_to_client(zvni); | |
6056 | ||
6057 | /* If there is a valid new master or a VLAN mapping change, | |
6058 | * read and populate local MACs and neighbors. | |
6059 | * Also, reinstall any remote MACs and neighbors | |
6060 | * for this VNI (based on new VLAN). | |
6061 | */ | |
6062 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6063 | zvni_read_mac_neigh(zvni, ifp); | |
6064 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6065 | struct mac_walk_ctx m_wctx; | |
6066 | struct neigh_walk_ctx n_wctx; | |
6067 | ||
6068 | zvni_read_mac_neigh(zvni, ifp); | |
6069 | ||
6070 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6071 | m_wctx.zvni = zvni; | |
6072 | hash_iterate(zvni->mac_table, | |
6073 | zvni_install_mac_hash, | |
6074 | &m_wctx); | |
6075 | ||
6076 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6077 | n_wctx.zvni = zvni; | |
6078 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6079 | &n_wctx); | |
6080 | } | |
d62a17ae | 6081 | } |
6082 | ||
6083 | return 0; | |
13d60d35 | 6084 | } |
6085 | ||
6086 | /* | |
6087 | * Handle VxLAN interface add. | |
6088 | */ | |
d62a17ae | 6089 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6090 | { |
d62a17ae | 6091 | vni_t vni; |
b7cfce93 MK |
6092 | struct zebra_if *zif = NULL; |
6093 | struct zebra_l2info_vxlan *vxl = NULL; | |
13d60d35 | 6094 | |
2853fed6 | 6095 | /* Check if EVPN is enabled. */ |
6096 | if (!is_evpn_enabled()) | |
d62a17ae | 6097 | return 0; |
13d60d35 | 6098 | |
d62a17ae | 6099 | zif = ifp->info; |
6100 | assert(zif); | |
6101 | vxl = &zif->l2info.vxl; | |
6102 | vni = vxl->vni; | |
13d60d35 | 6103 | |
b7cfce93 | 6104 | if (is_vni_l3(vni)) { |
13d60d35 | 6105 | |
b7cfce93 MK |
6106 | /* process if-add for l3-vni*/ |
6107 | zebra_l3vni_t *zl3vni = NULL; | |
6108 | ||
6109 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6110 | zlog_debug( | |
6111 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
6112 | vni, ifp->name, ifp->ifindex, | |
6113 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6114 | zif->brslave_info.bridge_ifindex); | |
6115 | ||
6116 | /* | |
6117 | * we expect the l3-vni has entry to be present here. | |
6118 | * The only place l3-vni is created in zebra is vrf-vni mapping | |
6119 | * command. This might change when we have the switchd support | |
6120 | * for l3-vxlan interface. | |
6121 | */ | |
6122 | zl3vni = zl3vni_lookup(vni); | |
6123 | if (!zl3vni) { | |
d62a17ae | 6124 | zlog_err( |
b7cfce93 | 6125 | "Failed to locate L3-VNI hash at del, IF %s(%u) VNI %u", |
2853fed6 | 6126 | ifp->name, ifp->ifindex, vni); |
b7cfce93 MK |
6127 | return 0; |
6128 | } | |
6129 | ||
6130 | /* associate with vxlan_if */ | |
6131 | zl3vni->vxlan_if = ifp; | |
6132 | ||
6133 | /* Associate with SVI, if any. We can associate with svi-if only | |
6134 | * after association with vxlan_if is complete */ | |
6135 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6136 | ||
6137 | if (is_l3vni_oper_up(zl3vni)) | |
6138 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6139 | } else { | |
6140 | ||
6141 | /* process if-add for l2-vni */ | |
6142 | zebra_vni_t *zvni = NULL; | |
6143 | zebra_l3vni_t *zl3vni = NULL; | |
6144 | struct interface *vlan_if = NULL; | |
6145 | ||
6146 | /* Create or update VNI hash. */ | |
6147 | zvni = zvni_lookup(vni); | |
6148 | if (!zvni) { | |
6149 | zvni = zvni_add(vni); | |
6150 | if (!zvni) { | |
6151 | zlog_err( | |
6152 | "Failed to add VNI hash, IF %s(%u) VNI %u", | |
6153 | ifp->name, ifp->ifindex, vni); | |
6154 | return -1; | |
6155 | } | |
6156 | } | |
6157 | ||
6158 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6159 | zvni->vxlan_if = ifp; | |
6160 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6161 | zif->brslave_info.br_if); | |
6162 | if (vlan_if) { | |
6163 | zvni->vrf_id = vlan_if->vrf_id; | |
6164 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6165 | if (zl3vni) | |
6166 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6167 | } | |
6168 | ||
6169 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6170 | zlog_debug( | |
6171 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6172 | vni, | |
6173 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) : | |
6174 | "Default", | |
6175 | ifp->name, ifp->ifindex, | |
6176 | vxl->access_vlan, inet_ntoa(vxl->vtep_ip), | |
6177 | zif->brslave_info.bridge_ifindex); | |
6178 | ||
6179 | /* If down or not mapped to a bridge, we're done. */ | |
6180 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6181 | return 0; | |
6182 | ||
6183 | /* Inform BGP */ | |
6184 | zvni_send_add_to_client(zvni); | |
6185 | ||
6186 | /* Read and populate local MACs and neighbors */ | |
6187 | zvni_read_mac_neigh(zvni, ifp); | |
6188 | } | |
6189 | ||
6190 | return 0; | |
6191 | } | |
6192 | ||
6193 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, | |
6194 | vni_t vni, char *err, | |
6195 | int add) | |
6196 | { | |
6197 | zebra_l3vni_t *zl3vni = NULL; | |
6198 | struct zebra_vrf *zvrf_default = NULL; | |
6199 | ||
6200 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6201 | if (!zvrf_default) | |
6202 | return -1; | |
6203 | ||
6204 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6205 | zlog_debug("vrf %s vni %u %s", | |
6206 | zvrf_name(zvrf), | |
6207 | vni, | |
6208 | add ? "ADD" : "DEL"); | |
6209 | ||
6210 | if (add) { | |
6211 | ||
6212 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6213 | ||
6214 | /* check if the vni is already present under zvrf */ | |
6215 | if (zvrf->l3vni) { | |
6216 | snprintf(err, ERR_STR_SZ, | |
6217 | "VNI is already configured under the vrf"); | |
6218 | return -1; | |
6219 | } | |
6220 | ||
6221 | /* check if this VNI is already present in the system */ | |
6222 | zl3vni = zl3vni_lookup(vni); | |
6223 | if (zl3vni) { | |
6224 | snprintf(err, ERR_STR_SZ, | |
6225 | "VNI is already configured as L3-VNI"); | |
6226 | return -1; | |
6227 | } | |
6228 | ||
6229 | /* add the L3-VNI to the global table */ | |
6230 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6231 | if (!zl3vni) { | |
6232 | snprintf(err, ERR_STR_SZ, | |
6233 | "Could not add L3-VNI"); | |
6234 | return -1; | |
6235 | } | |
6236 | ||
6237 | /* associate the vrf with vni */ | |
6238 | zvrf->l3vni = vni; | |
6239 | ||
6240 | /* associate with vxlan-intf; | |
6241 | * we need to associate with the vxlan-intf first */ | |
6242 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); | |
6243 | ||
6244 | /* associate with corresponding SVI interface, we can associate | |
6245 | * with svi-if only after vxlan interface association is | |
6246 | * complete */ | |
6247 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6248 | ||
6249 | /* formulate l2vni list */ | |
6250 | hash_iterate(zvrf_default->vni_table, | |
6251 | zvni_add_to_l3vni_list, zl3vni); | |
6252 | ||
6253 | if (is_l3vni_oper_up(zl3vni)) | |
6254 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6255 | ||
6256 | } else { | |
6257 | zl3vni = zl3vni_lookup(vni); | |
6258 | if (!zl3vni) { | |
6259 | snprintf(err, ERR_STR_SZ, "VNI doesn't exist"); | |
d62a17ae | 6260 | return -1; |
6261 | } | |
b7cfce93 MK |
6262 | |
6263 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6264 | ||
6265 | zvrf->l3vni = 0; | |
6266 | zl3vni_del(zl3vni); | |
6267 | ||
6268 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6269 | } |
b7cfce93 MK |
6270 | return 0; |
6271 | } | |
13d60d35 | 6272 | |
b7cfce93 MK |
6273 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) |
6274 | { | |
6275 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6276 | |
b7cfce93 MK |
6277 | zl3vni = zl3vni_from_vrf(zvrf_id(zvrf)); |
6278 | if (!zl3vni) | |
d62a17ae | 6279 | return 0; |
13d60d35 | 6280 | |
b7cfce93 MK |
6281 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6282 | zl3vni_del(zl3vni); | |
6283 | zebra_vxlan_handle_vni_transition(zvrf, zl3vni->vni, 0); | |
2232a77c | 6284 | |
d62a17ae | 6285 | return 0; |
13d60d35 | 6286 | } |
6287 | ||
1a98c087 MK |
6288 | /* |
6289 | * Handle message from client to enable/disable advertisement of g/w macip | |
6290 | * routes | |
6291 | */ | |
e4bd522a DS |
6292 | int zebra_vxlan_advertise_gw_macip(struct zserv *client, u_short length, |
6293 | struct zebra_vrf *zvrf) | |
1a98c087 MK |
6294 | { |
6295 | struct stream *s; | |
6296 | int advertise; | |
6297 | vni_t vni = 0; | |
6298 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6299 | struct interface *ifp = NULL; |
1a98c087 | 6300 | |
2853fed6 | 6301 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6302 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6303 | zvrf_id(zvrf)); | |
6304 | return -1; | |
6305 | } | |
6306 | ||
1a98c087 | 6307 | s = client->ibuf; |
ec93aa12 DS |
6308 | STREAM_GETC(s, advertise); |
6309 | STREAM_GET(&vni, s, 3); | |
1a98c087 MK |
6310 | |
6311 | if (!vni) { | |
6312 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6313 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6314 | advertise ? "enabled" : "disabled", |
2853fed6 | 6315 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6316 | ? "enabled" |
6317 | : "disabled"); | |
6318 | ||
6319 | if (zvrf->advertise_gw_macip == advertise) | |
6320 | return 0; | |
6321 | ||
6322 | zvrf->advertise_gw_macip = advertise; | |
6323 | ||
2853fed6 | 6324 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6325 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6326 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6327 | else |
6328 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6329 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6330 | |
6331 | } else { | |
6332 | struct zebra_if *zif = NULL; | |
6333 | struct zebra_l2info_vxlan zl2_info; | |
6334 | struct interface *vlan_if = NULL; | |
6335 | struct interface *vrr_if = NULL; | |
6336 | ||
6337 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6338 | zlog_debug( | |
2853fed6 | 6339 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6340 | advertise ? "enabled" : "disabled", vni, |
2853fed6 | 6341 | advertise_gw_macip_enabled(zvni) |
1a98c087 MK |
6342 | ? "enabled" |
6343 | : "disabled"); | |
6344 | ||
2853fed6 | 6345 | zvni = zvni_lookup(vni); |
1a98c087 MK |
6346 | if (!zvni) |
6347 | return 0; | |
6348 | ||
6349 | if (zvni->advertise_gw_macip == advertise) | |
6350 | return 0; | |
6351 | ||
6352 | zvni->advertise_gw_macip = advertise; | |
6353 | ||
b5ebdc9b | 6354 | ifp = zvni->vxlan_if; |
6355 | if (!ifp) | |
6356 | return 0; | |
6357 | ||
6358 | zif = ifp->info; | |
6359 | ||
6360 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6361 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 6362 | return 0; |
6363 | ||
1a98c087 MK |
6364 | zl2_info = zif->l2info.vxl; |
6365 | ||
2853fed6 | 6366 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6367 | zif->brslave_info.br_if); |
6368 | if (!vlan_if) | |
6369 | return 0; | |
6370 | ||
2853fed6 | 6371 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6372 | /* Add primary SVI MAC-IP */ |
6373 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6374 | ||
6375 | /* Add VRR MAC-IP - if any*/ | |
6376 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6377 | if (vrr_if) | |
6378 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6379 | } else { | |
6380 | /* Del primary MAC-IP */ | |
6381 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6382 | ||
6383 | /* Del VRR MAC-IP - if any*/ | |
6384 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6385 | if (vrr_if) | |
6386 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6387 | } | |
6388 | } | |
6389 | ||
ec93aa12 | 6390 | stream_failure: |
1a98c087 MK |
6391 | return 0; |
6392 | } | |
6393 | ||
6394 | ||
13d60d35 | 6395 | /* |
6396 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6397 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6398 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6399 | * uninstalled from the kernel. | |
6400 | */ | |
e4bd522a | 6401 | int zebra_vxlan_advertise_all_vni(struct zserv *client, |
d62a17ae | 6402 | u_short length, struct zebra_vrf *zvrf) |
13d60d35 | 6403 | { |
d62a17ae | 6404 | struct stream *s; |
6405 | int advertise; | |
13d60d35 | 6406 | |
2853fed6 | 6407 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6408 | zlog_err("EVPN VNI Adv for non-default VRF %u", | |
6409 | zvrf_id(zvrf)); | |
6410 | return -1; | |
6411 | } | |
6412 | ||
d62a17ae | 6413 | s = client->ibuf; |
ec93aa12 | 6414 | STREAM_GETC(s, advertise); |
13d60d35 | 6415 | |
d62a17ae | 6416 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6417 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6418 | advertise ? "enabled" : "disabled", |
2853fed6 | 6419 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6420 | |
d62a17ae | 6421 | if (zvrf->advertise_all_vni == advertise) |
6422 | return 0; | |
13d60d35 | 6423 | |
d62a17ae | 6424 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6425 | if (is_evpn_enabled()) { |
d62a17ae | 6426 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6427 | zvni_build_hash_table(); |
2232a77c | 6428 | |
1a98c087 MK |
6429 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6430 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6431 | NULL); |
1a98c087 | 6432 | |
d62a17ae | 6433 | /* Read the MAC FDB */ |
6434 | macfdb_read(zvrf->zns); | |
2232a77c | 6435 | |
d62a17ae | 6436 | /* Read neighbors */ |
6437 | neigh_read(zvrf->zns); | |
6438 | } else { | |
6439 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6440 | * kernel and free entries. | |
6441 | */ | |
6442 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
6443 | } | |
13d60d35 | 6444 | |
ec93aa12 | 6445 | stream_failure: |
d62a17ae | 6446 | return 0; |
13d60d35 | 6447 | } |
6448 | ||
6449 | /* | |
6450 | * Allocate VNI hash table for this VRF and do other initialization. | |
6451 | * NOTE: Currently supported only for default VRF. | |
6452 | */ | |
d62a17ae | 6453 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6454 | { |
d62a17ae | 6455 | if (!zvrf) |
6456 | return; | |
6457 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6458 | "Zebra VRF VNI Table"); | |
13d60d35 | 6459 | } |
6460 | ||
6461 | /* Close all VNI handling */ | |
d62a17ae | 6462 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6463 | { |
2853fed6 | 6464 | if (!zvrf) |
6465 | return; | |
d62a17ae | 6466 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6467 | hash_free(zvrf->vni_table); |
13d60d35 | 6468 | } |
b7cfce93 MK |
6469 | |
6470 | /* init the l3vni table */ | |
6471 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6472 | { | |
6473 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6474 | "Zebra VRF L3 VNI table"); | |
6475 | } | |
6476 | ||
6477 | /* free l3vni table */ | |
6478 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6479 | { | |
6480 | hash_free(zns->l3vni_table); | |
6481 | } | |
d3135ba3 | 6482 | |
6483 | /* get the l3vni svi ifindex */ | |
6484 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6485 | { | |
6486 | zebra_l3vni_t *zl3vni = NULL; | |
6487 | ||
6488 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6489 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6490 | return 0; | |
6491 | ||
6492 | return zl3vni->svi_if->ifindex; | |
6493 | } |