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13d60d35 | 1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "table.h" | |
28 | #include "memory.h" | |
29 | #include "log.h" | |
30 | #include "linklist.h" | |
31 | #include "stream.h" | |
32 | #include "hash.h" | |
33 | #include "jhash.h" | |
34 | #include "vlan.h" | |
35 | #include "vxlan.h" | |
36 | ||
37 | #include "zebra/rib.h" | |
38 | #include "zebra/rt.h" | |
39 | #include "zebra/zebra_ns.h" | |
40 | #include "zebra/zserv.h" | |
41 | #include "zebra/debug.h" | |
42 | #include "zebra/interface.h" | |
43 | #include "zebra/zebra_vrf.h" | |
44 | #include "zebra/rt_netlink.h" | |
45 | #include "zebra/zebra_vxlan_private.h" | |
46 | #include "zebra/zebra_vxlan.h" | |
47 | #include "zebra/zebra_memory.h" | |
48 | #include "zebra/zebra_l2.h" | |
49 | ||
6134fd82 | 50 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 51 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 52 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 53 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 54 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
55 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 56 | |
57 | /* definitions */ | |
58 | ||
59 | ||
60 | /* static function declarations */ | |
996c9314 LB |
61 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
62 | uint16_t cmd); | |
cd233079 | 63 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 64 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
65 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 66 | void **args); |
c0e519d3 MK |
67 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
68 | json_object *json); | |
316f4ca4 MK |
69 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
70 | json_object *json); | |
d62a17ae | 71 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
72 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
73 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
74 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
75 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 76 | |
996c9314 | 77 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a QY |
78 | struct ipaddr *ip, uint8_t flags, |
79 | uint16_t cmd); | |
d62a17ae | 80 | static unsigned int neigh_hash_keymake(void *p); |
81 | static int neigh_cmp(const void *p1, const void *p2); | |
82 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
83 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
84 | struct ethaddr *mac); | |
d62a17ae | 85 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
86 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg); | |
87 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
88 | struct in_addr *r_vtep_ip); | |
996c9314 | 89 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 90 | uint32_t flags); |
d62a17ae | 91 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 92 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
93 | struct ethaddr *macaddr, |
94 | uint8_t flags); | |
996c9314 | 95 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
96 | struct ethaddr *macaddr, |
97 | uint8_t flags); | |
d62a17ae | 98 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
99 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 100 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
101 | struct interface *br_if); |
102 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 103 | |
b7cfce93 | 104 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 105 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
106 | struct ipaddr *ip); |
107 | static void *zl3vni_nh_alloc(void *p); | |
108 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
109 | struct ipaddr *vtep_ip, | |
110 | struct ethaddr *rmac); | |
111 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
112 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 113 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
114 | |
115 | /* l3-vni rmac related APIs */ | |
116 | static void zl3vni_print_rmac_hash(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); | |
996c9314 | 124 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
125 | |
126 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
127 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
128 | static void *zl3vni_alloc(void *p); | |
129 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
130 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
131 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
132 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
133 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
134 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
135 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
136 | ||
d62a17ae | 137 | static unsigned int mac_hash_keymake(void *p); |
138 | static int mac_cmp(const void *p1, const void *p2); | |
139 | static void *zvni_mac_alloc(void *p); | |
140 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
141 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
142 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg); | |
143 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, | |
144 | struct in_addr *r_vtep_ip); | |
996c9314 | 145 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 146 | uint32_t flags); |
d62a17ae | 147 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 148 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 149 | uint8_t flags); |
996c9314 | 150 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 151 | uint8_t flags); |
d62a17ae | 152 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
153 | struct interface *br_if, vlanid_t vid); | |
154 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
155 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
156 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
157 | ||
158 | static unsigned int vni_hash_keymake(void *p); | |
159 | static int vni_hash_cmp(const void *p1, const void *p2); | |
160 | static void *zvni_alloc(void *p); | |
2853fed6 | 161 | static zebra_vni_t *zvni_lookup(vni_t vni); |
162 | static zebra_vni_t *zvni_add(vni_t vni); | |
163 | static int zvni_del(zebra_vni_t *zvni); | |
164 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
165 | static int zvni_send_del_to_client(vni_t vni); | |
166 | static void zvni_build_hash_table(); | |
d62a17ae | 167 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
168 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
169 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
170 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
171 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
172 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
173 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
174 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
175 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
176 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
177 | struct ethaddr *macaddr, struct ipaddr *ip); | |
178 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
179 | struct ipaddr *ip); | |
180 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 181 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
182 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
183 | int uninstall); | |
13d60d35 | 184 | |
185 | /* Private functions */ | |
186 | ||
790f8dc5 | 187 | /* |
188 | * Return number of valid MACs in a VNI's MAC hash table - all | |
189 | * remote MACs and non-internal (auto) local MACs count. | |
190 | */ | |
d7c0a89a | 191 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 192 | { |
193 | unsigned int i; | |
d7c0a89a | 194 | uint32_t num_macs = 0; |
790f8dc5 | 195 | struct hash *hash; |
196 | struct hash_backet *hb; | |
197 | zebra_mac_t *mac; | |
198 | ||
199 | hash = zvni->mac_table; | |
200 | if (!hash) | |
201 | return num_macs; | |
202 | for (i = 0; i < hash->size; i++) { | |
203 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
204 | mac = (zebra_mac_t *)hb->data; | |
205 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
206 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
207 | num_macs++; | |
208 | } | |
209 | } | |
210 | ||
211 | return num_macs; | |
212 | } | |
213 | ||
2853fed6 | 214 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 215 | { |
2853fed6 | 216 | struct zebra_vrf *zvrf; |
217 | ||
218 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
219 | if (zvrf && zvrf->advertise_gw_macip) |
220 | return 1; | |
221 | ||
222 | if (zvni && zvni->advertise_gw_macip) | |
223 | return 1; | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
cec2e17d | 228 | /* |
229 | * Helper function to determine maximum width of neighbor IP address for | |
230 | * display - just because we're dealing with IPv6 addresses that can | |
231 | * widely vary. | |
232 | */ | |
d62a17ae | 233 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 234 | { |
d62a17ae | 235 | zebra_neigh_t *n; |
236 | char buf[INET6_ADDRSTRLEN]; | |
237 | struct neigh_walk_ctx *wctx = ctxt; | |
238 | int width; | |
cec2e17d | 239 | |
d62a17ae | 240 | n = (zebra_neigh_t *)backet->data; |
241 | if (!n) | |
242 | return; | |
cec2e17d | 243 | |
d62a17ae | 244 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
245 | if (width > wctx->addr_width) | |
246 | wctx->addr_width = width; | |
cec2e17d | 247 | } |
248 | ||
249 | /* | |
250 | * Print a specific neighbor entry. | |
251 | */ | |
cd233079 | 252 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 253 | { |
d62a17ae | 254 | struct vty *vty; |
255 | char buf1[ETHER_ADDR_STRLEN]; | |
256 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 257 | |
cd233079 CS |
258 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
259 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
260 | vty = (struct vty *)ctxt; | |
261 | if (json == NULL) { | |
262 | vty_out(vty, "IP: %s\n", | |
263 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
264 | vty_out(vty, " MAC: %s", | |
265 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
266 | } else { | |
267 | json_object_string_add(json, "ip", buf2); | |
268 | json_object_string_add(json, "mac", buf1); | |
269 | } | |
270 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 271 | if (json == NULL) { |
cd233079 CS |
272 | vty_out(vty, " Remote VTEP: %s", |
273 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 274 | } else |
cd233079 CS |
275 | json_object_string_add(json, "remoteVtep", |
276 | inet_ntoa(n->r_vtep_ip)); | |
277 | } | |
f51d8a27 MK |
278 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
279 | if (!json) { | |
280 | vty_out(vty, "\n"); | |
281 | vty_out(vty, " State: %s", | |
282 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
283 | : "Inactive"); | |
284 | } | |
285 | } | |
ead40654 MK |
286 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
287 | if (!json) | |
288 | vty_out(vty, " Default-gateway"); | |
289 | else | |
290 | json_object_boolean_true_add(json, "defaultGateway"); | |
291 | } | |
cd233079 CS |
292 | if (json == NULL) |
293 | vty_out(vty, "\n"); | |
cec2e17d | 294 | } |
295 | ||
296 | /* | |
297 | * Print neighbor hash entry - called for display of all neighbors. | |
298 | */ | |
d62a17ae | 299 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
300 | { | |
301 | struct vty *vty; | |
cd233079 | 302 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 303 | zebra_neigh_t *n; |
304 | char buf1[ETHER_ADDR_STRLEN]; | |
305 | char buf2[INET6_ADDRSTRLEN]; | |
306 | struct neigh_walk_ctx *wctx = ctxt; | |
307 | ||
308 | vty = wctx->vty; | |
cd233079 | 309 | json_vni = wctx->json; |
d62a17ae | 310 | n = (zebra_neigh_t *)backet->data; |
311 | if (!n) | |
312 | return; | |
313 | ||
cd233079 CS |
314 | if (json_vni) |
315 | json_row = json_object_new_object(); | |
316 | ||
d62a17ae | 317 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
318 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
319 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
320 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
321 | if (json_vni == NULL) { |
322 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
323 | buf2, "local", buf1); | |
324 | } else { | |
325 | json_object_string_add(json_row, "type", "local"); | |
326 | json_object_string_add(json_row, "mac", buf1); | |
327 | } | |
d62a17ae | 328 | wctx->count++; |
329 | } else { | |
330 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
331 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
332 | if (json_vni == NULL) { |
333 | if (wctx->count == 0) | |
334 | vty_out(vty, | |
335 | "%*s %-6s %-17s %-21s\n", | |
336 | -wctx->addr_width, | |
337 | "Neighbor", "Type", | |
338 | "MAC", "Remote VTEP"); | |
d62a17ae | 339 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
340 | -wctx->addr_width, buf2, |
341 | "remote", buf1, | |
342 | inet_ntoa(n->r_vtep_ip)); | |
343 | } else { | |
344 | json_object_string_add(json_row, "type", | |
345 | "remote"); | |
346 | json_object_string_add(json_row, "mac", | |
347 | buf1); | |
348 | json_object_string_add( | |
349 | json_row, "remoteVtep", | |
350 | inet_ntoa(n->r_vtep_ip)); | |
351 | } | |
352 | wctx->count++; | |
353 | } | |
354 | } else { | |
355 | if (json_vni == NULL) { | |
d62a17ae | 356 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
357 | -wctx->addr_width, buf2, "remote", buf1, | |
358 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
359 | } else { |
360 | json_object_string_add(json_row, "type", | |
361 | "remote"); | |
362 | json_object_string_add(json_row, "mac", buf1); | |
363 | json_object_string_add(json_row, "remoteVtep", | |
364 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 365 | } |
d62a17ae | 366 | wctx->count++; |
367 | } | |
368 | } | |
cd233079 CS |
369 | |
370 | if (json_vni) | |
371 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 372 | } |
373 | ||
374 | /* | |
375 | * Print neighbors for all VNI. | |
376 | */ | |
d62a17ae | 377 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 378 | void **args) |
cec2e17d | 379 | { |
d62a17ae | 380 | struct vty *vty; |
cd233079 | 381 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 382 | zebra_vni_t *zvni; |
d7c0a89a | 383 | uint32_t num_neigh; |
d62a17ae | 384 | struct neigh_walk_ctx wctx; |
cd233079 CS |
385 | char vni_str[VNI_STR_LEN]; |
386 | ||
387 | vty = (struct vty *)args[0]; | |
388 | json = (json_object *)args[1]; | |
cec2e17d | 389 | |
d62a17ae | 390 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
391 | if (!zvni) { |
392 | if (json) | |
393 | vty_out(vty, "{}\n"); | |
d62a17ae | 394 | return; |
cd233079 | 395 | } |
d62a17ae | 396 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 CS |
397 | if (json == NULL) |
398 | vty_out(vty, | |
399 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
400 | zvni->vni, num_neigh); | |
401 | else { | |
402 | json_vni = json_object_new_object(); | |
403 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
404 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
405 | } | |
406 | if (!num_neigh) { | |
407 | if (json) | |
408 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 409 | return; |
cd233079 | 410 | } |
cec2e17d | 411 | |
d62a17ae | 412 | /* Since we have IPv6 addresses to deal with which can vary widely in |
413 | * size, we try to be a bit more elegant in display by first computing | |
414 | * the maximum width. | |
415 | */ | |
416 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
417 | wctx.zvni = zvni; | |
418 | wctx.vty = vty; | |
419 | wctx.addr_width = 15; | |
cd233079 | 420 | wctx.json = json_vni; |
d62a17ae | 421 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 422 | |
cd233079 CS |
423 | if (json == NULL) |
424 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
425 | "Type", "MAC", "Remote VTEP"); | |
d62a17ae | 426 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
427 | |
428 | if (json) | |
429 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 430 | } |
431 | ||
9aa741ea | 432 | /* print a specific next hop for an l3vni */ |
996c9314 | 433 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 434 | json_object *json) |
9aa741ea MK |
435 | { |
436 | char buf1[ETHER_ADDR_STRLEN]; | |
437 | char buf2[INET6_ADDRSTRLEN]; | |
438 | struct listnode *node = NULL; | |
439 | struct prefix *p = NULL; | |
c0e519d3 | 440 | json_object *json_hosts = NULL; |
9aa741ea | 441 | |
c0e519d3 MK |
442 | if (!json) { |
443 | vty_out(vty, "Ip: %s\n", | |
444 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
445 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 446 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
4cce389e MK |
447 | vty_out(vty, " Refcount: %d\n", listcount(n->host_list)); |
448 | vty_out(vty, " Prefixes:\n"); | |
c0e519d3 MK |
449 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) |
450 | vty_out(vty, " %s\n", | |
451 | prefix2str(p, buf2, sizeof(buf2))); | |
452 | } else { | |
453 | json_hosts = json_object_new_array(); | |
996c9314 LB |
454 | json_object_string_add( |
455 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
456 | json_object_string_add( | |
457 | json, "routerMac", | |
458 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
4cce389e | 459 | json_object_int_add(json, "refCount", listcount(n->host_list)); |
c0e519d3 MK |
460 | for (ALL_LIST_ELEMENTS_RO(n->host_list, node, p)) |
461 | json_object_array_add(json_hosts, | |
996c9314 LB |
462 | json_object_new_string(prefix2str( |
463 | p, buf2, sizeof(buf2)))); | |
4cce389e | 464 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 465 | } |
9aa741ea MK |
466 | } |
467 | ||
468 | /* Print a specific RMAC entry */ | |
996c9314 | 469 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 470 | json_object *json) |
9aa741ea MK |
471 | { |
472 | char buf1[ETHER_ADDR_STRLEN]; | |
473 | char buf2[PREFIX_STRLEN]; | |
474 | struct listnode *node = NULL; | |
475 | struct prefix *p = NULL; | |
316f4ca4 | 476 | json_object *json_hosts = NULL; |
9aa741ea | 477 | |
316f4ca4 MK |
478 | if (!json) { |
479 | vty_out(vty, "MAC: %s\n", | |
480 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
481 | vty_out(vty, " Remote VTEP: %s\n", | |
482 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
4cce389e MK |
483 | vty_out(vty, " Refcount: %d\n", listcount(zrmac->host_list)); |
484 | vty_out(vty, " Prefixes:\n"); | |
316f4ca4 MK |
485 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) |
486 | vty_out(vty, " %s\n", | |
487 | prefix2str(p, buf2, sizeof(buf2))); | |
488 | } else { | |
489 | json_hosts = json_object_new_array(); | |
996c9314 LB |
490 | json_object_string_add( |
491 | json, "routerMac", | |
492 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 493 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 494 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
4cce389e MK |
495 | json_object_int_add(json, "refCount", |
496 | listcount(zrmac->host_list)); | |
316f4ca4 MK |
497 | for (ALL_LIST_ELEMENTS_RO(zrmac->host_list, node, p)) |
498 | json_object_array_add(json_hosts, | |
996c9314 LB |
499 | json_object_new_string(prefix2str( |
500 | p, buf2, sizeof(buf2)))); | |
4cce389e | 501 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 502 | } |
9aa741ea MK |
503 | } |
504 | ||
cec2e17d | 505 | /* |
506 | * Print a specific MAC entry. | |
507 | */ | |
d62a17ae | 508 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
509 | { | |
510 | struct vty *vty; | |
b6938a74 MK |
511 | zebra_neigh_t *n = NULL; |
512 | struct listnode *node = NULL; | |
d62a17ae | 513 | char buf1[20]; |
b6938a74 | 514 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 515 | |
516 | vty = (struct vty *)ctxt; | |
517 | vty_out(vty, "MAC: %s", | |
518 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
519 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
520 | struct zebra_ns *zns; | |
521 | struct interface *ifp; | |
522 | ifindex_t ifindex; | |
523 | ||
524 | ifindex = mac->fwd_info.local.ifindex; | |
525 | zns = zebra_ns_lookup(NS_DEFAULT); | |
526 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
527 | if (!ifp) // unexpected | |
528 | return; | |
529 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
530 | if (mac->fwd_info.local.vid) | |
531 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 532 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 533 | vty_out(vty, " Remote VTEP: %s", |
534 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
535 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
536 | vty_out(vty, " Auto Mac "); | |
537 | } | |
b6938a74 | 538 | |
ead40654 MK |
539 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
540 | vty_out(vty, " Sticky Mac "); | |
541 | ||
542 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
543 | vty_out(vty, " Default-gateway Mac "); | |
544 | ||
0a97666d | 545 | vty_out(vty, "\n"); |
b6938a74 MK |
546 | /* print all the associated neigh */ |
547 | vty_out(vty, " Neighbors:\n"); | |
548 | if (!listcount(mac->neigh_list)) | |
549 | vty_out(vty, " No Neighbors\n"); | |
550 | else { | |
551 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
552 | vty_out(vty, " %s %s\n", | |
553 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
554 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
555 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
556 | ? "Active" | |
557 | : "Inactive") | |
558 | : ""); | |
559 | } | |
d62a17ae | 560 | } |
b6938a74 | 561 | |
d62a17ae | 562 | vty_out(vty, "\n"); |
cec2e17d | 563 | } |
564 | ||
565 | /* | |
566 | * Print MAC hash entry - called for display of all MACs. | |
567 | */ | |
d62a17ae | 568 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
569 | { | |
570 | struct vty *vty; | |
cd233079 | 571 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 572 | zebra_mac_t *mac; |
573 | char buf1[20]; | |
574 | struct mac_walk_ctx *wctx = ctxt; | |
575 | ||
576 | vty = wctx->vty; | |
cd233079 | 577 | json_mac_hdr = wctx->json; |
d62a17ae | 578 | mac = (zebra_mac_t *)backet->data; |
579 | if (!mac) | |
580 | return; | |
581 | ||
582 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
583 | |
584 | if (json_mac_hdr) | |
585 | json_mac = json_object_new_object(); | |
586 | ||
d62a17ae | 587 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
588 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
589 | struct zebra_ns *zns; | |
590 | ifindex_t ifindex; | |
591 | struct interface *ifp; | |
592 | vlanid_t vid; | |
593 | ||
594 | zns = zebra_ns_lookup(NS_DEFAULT); | |
595 | ifindex = mac->fwd_info.local.ifindex; | |
596 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
597 | if (!ifp) // unexpected | |
598 | return; | |
599 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
600 | if (json_mac_hdr == NULL) |
601 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
602 | ifp->name); | |
603 | else { | |
604 | json_object_string_add(json_mac, "type", "local"); | |
605 | json_object_string_add(json_mac, "intf", ifp->name); | |
606 | } | |
607 | if (vid) { | |
608 | if (json_mac_hdr == NULL) | |
609 | vty_out(vty, " %-5u", vid); | |
610 | else | |
611 | json_object_int_add(json_mac, "vlan", vid); | |
612 | } | |
613 | if (json_mac_hdr == NULL) | |
614 | vty_out(vty, "\n"); | |
615 | else | |
616 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 617 | wctx->count++; |
b6938a74 | 618 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 619 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
620 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
621 | &wctx->r_vtep_ip)) { | |
622 | if (wctx->count == 0) { | |
cd233079 CS |
623 | if (json_mac_hdr == NULL) { |
624 | vty_out(vty, "\nVNI %u\n\n", | |
625 | wctx->zvni->vni); | |
626 | vty_out(vty, | |
627 | "%-17s %-6s %-21s %-5s\n", | |
628 | "MAC", "Type", | |
629 | "Intf/Remote VTEP", | |
630 | "VLAN"); | |
631 | } | |
632 | } | |
633 | if (json_mac_hdr == NULL) | |
634 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
635 | "remote", | |
636 | inet_ntoa(mac->fwd_info | |
637 | .r_vtep_ip)); | |
638 | else { | |
639 | json_object_string_add(json_mac, "type", | |
640 | "remote"); | |
641 | json_object_string_add( | |
642 | json_mac, "remoteVtep", | |
643 | inet_ntoa(mac->fwd_info | |
644 | .r_vtep_ip)); | |
645 | json_object_object_add(json_mac_hdr, | |
646 | buf1, json_mac); | |
d62a17ae | 647 | } |
d62a17ae | 648 | wctx->count++; |
649 | } | |
650 | } else { | |
cd233079 CS |
651 | if (json_mac_hdr == NULL) |
652 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
653 | "remote", | |
654 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
655 | else { | |
656 | json_object_string_add(json_mac, "type", | |
657 | "remote"); | |
658 | json_object_string_add( | |
659 | json_mac, "remoteVtep", | |
660 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
661 | json_object_object_add(json_mac_hdr, buf1, | |
662 | json_mac); | |
663 | } | |
d62a17ae | 664 | wctx->count++; |
665 | } | |
666 | } | |
cec2e17d | 667 | } |
668 | ||
669 | /* | |
670 | * Print MACs for all VNI. | |
671 | */ | |
d62a17ae | 672 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 673 | { |
d62a17ae | 674 | struct vty *vty; |
cd233079 CS |
675 | json_object *json = NULL, *json_vni = NULL; |
676 | json_object *json_mac = NULL; | |
d62a17ae | 677 | zebra_vni_t *zvni; |
d7c0a89a | 678 | uint32_t num_macs; |
d62a17ae | 679 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 680 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 681 | |
d62a17ae | 682 | vty = (struct vty *)wctx->vty; |
cd233079 | 683 | json = (struct json_object *)wctx->json; |
cec2e17d | 684 | |
d62a17ae | 685 | zvni = (zebra_vni_t *)backet->data; |
cd233079 CS |
686 | if (!zvni) { |
687 | if (json) | |
688 | vty_out(vty, "{}\n"); | |
d62a17ae | 689 | return; |
cd233079 | 690 | } |
d62a17ae | 691 | wctx->zvni = zvni; |
cec2e17d | 692 | |
d62a17ae | 693 | /*We are iterating over a new VNI, set the count to 0*/ |
694 | wctx->count = 0; | |
cec2e17d | 695 | |
790f8dc5 | 696 | num_macs = num_valid_macs(zvni); |
d62a17ae | 697 | if (!num_macs) |
698 | return; | |
cd233079 CS |
699 | |
700 | if (json) { | |
701 | json_vni = json_object_new_object(); | |
702 | json_mac = json_object_new_object(); | |
703 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 704 | } |
cec2e17d | 705 | |
cd233079 CS |
706 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
707 | if (json == NULL) { | |
708 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
709 | zvni->vni, num_macs); | |
710 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
711 | "Intf/Remote VTEP", "VLAN"); | |
712 | } else | |
713 | json_object_int_add(json_vni, "numMacs", num_macs); | |
714 | } | |
715 | /* assign per-vni to wctx->json object to fill macs | |
716 | * under the vni. Re-assign primary json object to fill | |
717 | * next vni information. | |
718 | */ | |
719 | wctx->json = json_mac; | |
d62a17ae | 720 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
721 | wctx->json = json; |
722 | if (json) { | |
723 | if (wctx->count) | |
724 | json_object_object_add(json_vni, "macs", json_mac); | |
725 | json_object_object_add(json, vni_str, json_vni); | |
726 | } | |
cec2e17d | 727 | } |
728 | ||
996c9314 | 729 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
730 | { |
731 | struct nh_walk_ctx *wctx = NULL; | |
732 | struct vty *vty = NULL; | |
32798965 | 733 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
734 | struct json_object *json_nh = NULL; |
735 | zebra_neigh_t *n = NULL; | |
736 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 737 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
738 | |
739 | wctx = (struct nh_walk_ctx *)ctx; | |
740 | vty = wctx->vty; | |
32798965 MK |
741 | json_vni = wctx->json; |
742 | if (json_vni) | |
b7cfce93 MK |
743 | json_nh = json_object_new_object(); |
744 | n = (zebra_neigh_t *)backet->data; | |
745 | if (!n) | |
746 | return; | |
747 | ||
32798965 | 748 | if (!json_vni) { |
4cce389e | 749 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 750 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 751 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 752 | } else { |
4cce389e | 753 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 754 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
755 | json_object_string_add( |
756 | json_nh, "routerMac", | |
757 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
758 | json_object_object_add(json_vni, |
759 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
760 | json_nh); | |
b7cfce93 MK |
761 | } |
762 | } | |
763 | ||
2dbad57f | 764 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 765 | void **args) |
2dbad57f | 766 | { |
767 | struct vty *vty = NULL; | |
768 | json_object *json = NULL; | |
769 | json_object *json_vni = NULL; | |
2dbad57f | 770 | zebra_l3vni_t *zl3vni = NULL; |
771 | uint32_t num_nh = 0; | |
32798965 | 772 | struct nh_walk_ctx wctx; |
2dbad57f | 773 | char vni_str[VNI_STR_LEN]; |
774 | ||
32798965 MK |
775 | vty = (struct vty *)args[0]; |
776 | json = (struct json_object *)args[1]; | |
2dbad57f | 777 | |
778 | zl3vni = (zebra_l3vni_t *)backet->data; | |
779 | if (!zl3vni) { | |
780 | if (json) | |
781 | vty_out(vty, "{}\n"); | |
782 | return; | |
783 | } | |
784 | ||
785 | num_nh = hashcount(zl3vni->nh_table); | |
786 | if (!num_nh) | |
787 | return; | |
788 | ||
789 | if (json) { | |
790 | json_vni = json_object_new_object(); | |
2dbad57f | 791 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
792 | } | |
793 | ||
794 | if (json == NULL) { | |
996c9314 | 795 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 796 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 797 | } else |
4cce389e | 798 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 799 | |
32798965 MK |
800 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
801 | wctx.vty = vty; | |
802 | wctx.json = json_vni; | |
803 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
804 | if (json) | |
2dbad57f | 805 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 806 | } |
807 | ||
b7cfce93 | 808 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 809 | void **args) |
b7cfce93 MK |
810 | { |
811 | struct vty *vty = NULL; | |
812 | json_object *json = NULL; | |
813 | json_object *json_vni = NULL; | |
b7cfce93 | 814 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 815 | uint32_t num_rmacs; |
c0b4eaa4 | 816 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
817 | char vni_str[VNI_STR_LEN]; |
818 | ||
c0b4eaa4 MK |
819 | vty = (struct vty *)args[0]; |
820 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
821 | |
822 | zl3vni = (zebra_l3vni_t *)backet->data; | |
823 | if (!zl3vni) { | |
824 | if (json) | |
825 | vty_out(vty, "{}\n"); | |
826 | return; | |
827 | } | |
828 | ||
829 | num_rmacs = hashcount(zl3vni->rmac_table); | |
830 | if (!num_rmacs) | |
831 | return; | |
832 | ||
833 | if (json) { | |
834 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
835 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
836 | } | |
837 | ||
838 | if (json == NULL) { | |
996c9314 | 839 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 840 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
841 | } else |
842 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
843 | ||
844 | /* assign per-vni to wctx->json object to fill macs | |
845 | * under the vni. Re-assign primary json object to fill | |
846 | * next vni information. | |
847 | */ | |
c0b4eaa4 MK |
848 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
849 | wctx.vty = vty; | |
850 | wctx.json = json_vni; | |
851 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
852 | if (json) | |
b7cfce93 | 853 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
854 | } |
855 | ||
996c9314 | 856 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
857 | { |
858 | zebra_mac_t *zrmac = NULL; | |
859 | struct rmac_walk_ctx *wctx = NULL; | |
860 | struct vty *vty = NULL; | |
861 | struct json_object *json = NULL; | |
862 | struct json_object *json_rmac = NULL; | |
863 | char buf[ETHER_ADDR_STRLEN]; | |
864 | ||
865 | wctx = (struct rmac_walk_ctx *)ctx; | |
866 | vty = wctx->vty; | |
867 | json = wctx->json; | |
868 | if (json) | |
869 | json_rmac = json_object_new_object(); | |
870 | zrmac = (zebra_mac_t *)backet->data; | |
871 | if (!zrmac) | |
872 | return; | |
873 | ||
874 | if (!json) { | |
4cce389e | 875 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 876 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 877 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 878 | } else { |
996c9314 LB |
879 | json_object_string_add( |
880 | json_rmac, "routerMac", | |
881 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 882 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 883 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
884 | json_object_object_add( |
885 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
886 | json_rmac); | |
b7cfce93 MK |
887 | } |
888 | } | |
889 | ||
890 | /* print a specific L3 VNI entry */ | |
891 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
892 | { | |
893 | char buf[ETHER_ADDR_STRLEN]; | |
894 | struct vty *vty = NULL; | |
895 | json_object *json = NULL; | |
896 | zebra_vni_t *zvni = NULL; | |
897 | json_object *json_vni_list = NULL; | |
898 | struct listnode *node = NULL, *nnode = NULL; | |
899 | ||
900 | vty = ctx[0]; | |
901 | json = ctx[1]; | |
902 | ||
903 | if (!json) { | |
904 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 905 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 906 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 907 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 908 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
909 | vty_out(vty, " Vxlan-Intf: %s\n", |
910 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
911 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
912 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 913 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
914 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
915 | ? "prefix-routes-only" | |
916 | : "none"); | |
4cce389e | 917 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 918 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 919 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
920 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
921 | vty_out(vty, "%u ", zvni->vni); | |
922 | vty_out(vty, "\n"); | |
923 | } else { | |
924 | json_vni_list = json_object_new_array(); | |
925 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
926 | json_object_string_add(json, "type", "L3"); |
927 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 928 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 929 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 930 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 931 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 932 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
933 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
934 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
935 | json_object_string_add( | |
936 | json, "routerMac", | |
937 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
938 | json_object_string_add( | |
939 | json, "vniFilter", | |
940 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
941 | ? "prefix-routes-only" | |
942 | : "none"); | |
b7cfce93 MK |
943 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
944 | json_object_array_add(json_vni_list, | |
945 | json_object_new_int(zvni->vni)); | |
946 | } | |
4cce389e | 947 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
948 | } |
949 | } | |
950 | ||
cec2e17d | 951 | /* |
952 | * Print a specific VNI entry. | |
953 | */ | |
cd233079 | 954 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 955 | { |
956 | struct vty *vty; | |
957 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
958 | uint32_t num_macs; |
959 | uint32_t num_neigh; | |
cd233079 CS |
960 | json_object *json = NULL; |
961 | json_object *json_vtep_list = NULL; | |
962 | json_object *json_ip_str = NULL; | |
d62a17ae | 963 | |
cd233079 CS |
964 | vty = ctxt[0]; |
965 | json = ctxt[1]; | |
966 | ||
b7cfce93 | 967 | if (json == NULL) { |
cd233079 | 968 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
969 | vty_out(vty, " Type: %s\n", "L2"); |
970 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 971 | } else { |
cd233079 | 972 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 973 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
974 | json_object_string_add(json, "vrf", |
975 | vrf_id_to_name(zvni->vrf_id)); | |
976 | } | |
d62a17ae | 977 | |
d62a17ae | 978 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
979 | if (json == NULL) |
980 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 981 | return; |
982 | } | |
790f8dc5 | 983 | num_macs = num_valid_macs(zvni); |
cd233079 | 984 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 985 | if (json == NULL) { |
996c9314 | 986 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 987 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 988 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 989 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 990 | } else { |
cd233079 CS |
991 | json_object_string_add(json, "vxlanInterface", |
992 | zvni->vxlan_if->name); | |
993 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
994 | json_object_string_add(json, "vtepIp", | |
995 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
996 | json_object_string_add(json, "advertiseGatewayMacip", |
997 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
998 | json_object_int_add(json, "numMacs", num_macs); |
999 | json_object_int_add(json, "numArpNd", num_neigh); | |
1000 | } | |
d62a17ae | 1001 | if (!zvni->vteps) { |
cd233079 CS |
1002 | if (json == NULL) |
1003 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1004 | } else { |
cd233079 CS |
1005 | if (json == NULL) |
1006 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1007 | else | |
1008 | json_vtep_list = json_object_new_array(); | |
1009 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1010 | if (json == NULL) | |
1011 | vty_out(vty, " %s\n", | |
1012 | inet_ntoa(zvtep->vtep_ip)); | |
1013 | else { | |
1014 | json_ip_str = json_object_new_string( | |
1015 | inet_ntoa(zvtep->vtep_ip)); | |
1016 | json_object_array_add(json_vtep_list, | |
1017 | json_ip_str); | |
1018 | } | |
1019 | } | |
1020 | if (json) | |
1021 | json_object_object_add(json, "numRemoteVteps", | |
1022 | json_vtep_list); | |
1023 | } | |
1024 | if (json == NULL) { | |
1025 | vty_out(vty, | |
1026 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1027 | num_macs); | |
1028 | vty_out(vty, | |
1029 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1030 | "known for this VNI: %u\n", | |
1031 | num_neigh); | |
ddd16ed5 MK |
1032 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1033 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1034 | } |
cec2e17d | 1035 | } |
1036 | ||
b7cfce93 | 1037 | /* print a L3 VNI hash entry */ |
996c9314 | 1038 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1039 | { |
b7cfce93 MK |
1040 | struct vty *vty = NULL; |
1041 | json_object *json = NULL; | |
51d8de8f | 1042 | json_object *json_vni = NULL; |
b7cfce93 MK |
1043 | zebra_l3vni_t *zl3vni = NULL; |
1044 | ||
51d8de8f MK |
1045 | vty = (struct vty *)ctx[0]; |
1046 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1047 | |
1048 | zl3vni = (zebra_l3vni_t *)backet->data; | |
1049 | if (!zl3vni) | |
1050 | return; | |
1051 | ||
1052 | if (!json) { | |
996c9314 LB |
1053 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1054 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1055 | hashcount(zl3vni->rmac_table), |
996c9314 | 1056 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1057 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1058 | } else { |
51d8de8f MK |
1059 | char vni_str[VNI_STR_LEN]; |
1060 | ||
1061 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1062 | json_vni = json_object_new_object(); | |
1063 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1064 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1065 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1066 | json_object_int_add(json_vni, "numMacs", |
1067 | hashcount(zl3vni->rmac_table)); | |
1068 | json_object_int_add(json_vni, "numArpNd", | |
1069 | hashcount(zl3vni->nh_table)); | |
1070 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1071 | json_object_string_add(json_vni, "type", "L3"); | |
1072 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1073 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1074 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1075 | } |
b7cfce93 MK |
1076 | } |
1077 | ||
cec2e17d | 1078 | /* |
1079 | * Print a VNI hash entry - called for display of all VNIs. | |
1080 | */ | |
cd233079 | 1081 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1082 | { |
d62a17ae | 1083 | struct vty *vty; |
1084 | zebra_vni_t *zvni; | |
1085 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1086 | uint32_t num_vteps = 0; |
1087 | uint32_t num_macs = 0; | |
1088 | uint32_t num_neigh = 0; | |
cd233079 CS |
1089 | json_object *json = NULL; |
1090 | json_object *json_vni = NULL; | |
1091 | json_object *json_ip_str = NULL; | |
1092 | json_object *json_vtep_list = NULL; | |
1093 | ||
1094 | vty = ctxt[0]; | |
1095 | json = ctxt[1]; | |
cec2e17d | 1096 | |
d62a17ae | 1097 | zvni = (zebra_vni_t *)backet->data; |
1098 | if (!zvni) | |
1099 | return; | |
cec2e17d | 1100 | |
d62a17ae | 1101 | zvtep = zvni->vteps; |
1102 | while (zvtep) { | |
1103 | num_vteps++; | |
1104 | zvtep = zvtep->next; | |
1105 | } | |
cec2e17d | 1106 | |
790f8dc5 | 1107 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1108 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1109 | if (json == NULL) |
996c9314 | 1110 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1111 | zvni->vni, "L2", |
cd233079 | 1112 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1113 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1114 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1115 | else { |
1116 | char vni_str[VNI_STR_LEN]; | |
1117 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1118 | json_vni = json_object_new_object(); | |
4cce389e MK |
1119 | json_object_int_add(json_vni, "vni", zvni->vni); |
1120 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1121 | json_object_string_add(json_vni, "vxlanIf", |
1122 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1123 | : "unknown"); | |
cd233079 CS |
1124 | json_object_int_add(json_vni, "numMacs", num_macs); |
1125 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1126 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1127 | json_object_string_add(json_vni, "tenantVrf", |
1128 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1129 | if (num_vteps) { |
1130 | json_vtep_list = json_object_new_array(); | |
1131 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1132 | json_ip_str = json_object_new_string( | |
1133 | inet_ntoa(zvtep->vtep_ip)); | |
1134 | json_object_array_add(json_vtep_list, | |
1135 | json_ip_str); | |
1136 | } | |
1137 | json_object_object_add(json_vni, "remoteVteps", | |
1138 | json_vtep_list); | |
1139 | } | |
1140 | json_object_object_add(json, vni_str, json_vni); | |
1141 | } | |
cec2e17d | 1142 | } |
1143 | ||
13d60d35 | 1144 | /* |
2232a77c | 1145 | * Inform BGP about local MACIP. |
1146 | */ | |
996c9314 | 1147 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a QY |
1148 | struct ipaddr *ip, uint8_t flags, |
1149 | uint16_t cmd) | |
d62a17ae | 1150 | { |
d62a17ae | 1151 | char buf[ETHER_ADDR_STRLEN]; |
1152 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1153 | int ipa_len; |
1154 | struct zserv *client = NULL; | |
1155 | struct stream *s = NULL; | |
d62a17ae | 1156 | |
019a82cb | 1157 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1158 | /* BGP may not be running. */ |
1159 | if (!client) | |
1160 | return 0; | |
1161 | ||
1002497a | 1162 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1163 | |
7cf15b25 | 1164 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1165 | stream_putl(s, vni); |
ff8b7eb8 | 1166 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1167 | if (ip) { |
1168 | ipa_len = 0; | |
1169 | if (IS_IPADDR_V4(ip)) | |
1170 | ipa_len = IPV4_MAX_BYTELEN; | |
1171 | else if (IS_IPADDR_V6(ip)) | |
1172 | ipa_len = IPV6_MAX_BYTELEN; | |
1173 | ||
1174 | stream_putl(s, ipa_len); /* IP address length */ | |
1175 | if (ipa_len) | |
1176 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1177 | } else | |
1178 | stream_putl(s, 0); /* Just MAC. */ | |
1179 | ||
1a98c087 | 1180 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 1181 | |
b7cfce93 | 1182 | |
d62a17ae | 1183 | /* Write packet size. */ |
1184 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1185 | ||
1186 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1187 | zlog_debug( |
b7cfce93 | 1188 | "Send MACIP %s flags 0x%x MAC %s IP %s L2-VNI %u to %s", |
996c9314 LB |
1189 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1190 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1a98c087 MK |
1191 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, |
1192 | zebra_route_string(client->proto)); | |
d62a17ae | 1193 | |
1194 | if (cmd == ZEBRA_MACIP_ADD) | |
1195 | client->macipadd_cnt++; | |
1196 | else | |
1197 | client->macipdel_cnt++; | |
1198 | ||
1002497a | 1199 | return zebra_server_send_message(client, s); |
2232a77c | 1200 | } |
1201 | ||
1202 | /* | |
1203 | * Make hash key for neighbors. | |
13d60d35 | 1204 | */ |
d62a17ae | 1205 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1206 | { |
d62a17ae | 1207 | zebra_neigh_t *n = p; |
1208 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1209 | |
d62a17ae | 1210 | if (IS_IPADDR_V4(ip)) |
1211 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1212 | |
d62a17ae | 1213 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1214 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1215 | } |
1216 | ||
1217 | /* | |
2232a77c | 1218 | * Compare two neighbor hash structures. |
13d60d35 | 1219 | */ |
d62a17ae | 1220 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1221 | { |
d62a17ae | 1222 | const zebra_neigh_t *n1 = p1; |
1223 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1224 | |
d62a17ae | 1225 | if (n1 == NULL && n2 == NULL) |
1226 | return 1; | |
2232a77c | 1227 | |
d62a17ae | 1228 | if (n1 == NULL || n2 == NULL) |
1229 | return 0; | |
2232a77c | 1230 | |
d62a17ae | 1231 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1232 | } |
1233 | ||
1234 | /* | |
2232a77c | 1235 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1236 | */ |
d62a17ae | 1237 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1238 | { |
d62a17ae | 1239 | const zebra_neigh_t *tmp_n = p; |
1240 | zebra_neigh_t *n; | |
13d60d35 | 1241 | |
d62a17ae | 1242 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1243 | *n = *tmp_n; | |
2232a77c | 1244 | |
d62a17ae | 1245 | return ((void *)n); |
13d60d35 | 1246 | } |
1247 | ||
1248 | /* | |
2232a77c | 1249 | * Add neighbor entry. |
13d60d35 | 1250 | */ |
b6938a74 MK |
1251 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1252 | struct ethaddr *mac) | |
13d60d35 | 1253 | { |
d62a17ae | 1254 | zebra_neigh_t tmp_n; |
1255 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1256 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1257 | |
d62a17ae | 1258 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1259 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1260 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1261 | assert(n); | |
13d60d35 | 1262 | |
b6938a74 MK |
1263 | memcpy(&n->emac, mac, ETH_ALEN); |
1264 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1265 | ||
1266 | /* Associate the neigh to mac */ | |
1267 | zmac = zvni_mac_lookup(zvni, mac); | |
1268 | if (zmac) | |
1269 | listnode_add_sort(zmac->neigh_list, n); | |
1270 | ||
d62a17ae | 1271 | return n; |
13d60d35 | 1272 | } |
1273 | ||
1274 | /* | |
2232a77c | 1275 | * Delete neighbor entry. |
13d60d35 | 1276 | */ |
d62a17ae | 1277 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1278 | { |
d62a17ae | 1279 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1280 | zebra_mac_t *zmac = NULL; |
1281 | ||
1282 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1283 | if (zmac) | |
1284 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1285 | |
d62a17ae | 1286 | /* Free the VNI hash entry and allocated memory. */ |
1287 | tmp_n = hash_release(zvni->neigh_table, n); | |
1288 | if (tmp_n) | |
1289 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1290 | |
d62a17ae | 1291 | return 0; |
13d60d35 | 1292 | } |
1293 | ||
1294 | /* | |
2232a77c | 1295 | * Free neighbor hash entry (callback) |
13d60d35 | 1296 | */ |
d62a17ae | 1297 | static int zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1298 | { |
d62a17ae | 1299 | struct neigh_walk_ctx *wctx = arg; |
1300 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1301 | |
d62a17ae | 1302 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1303 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1304 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1305 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1306 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1307 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1308 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1309 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1310 | &n->emac, 0); |
13d60d35 | 1311 | |
d62a17ae | 1312 | if (wctx->uninstall) |
1313 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1314 | |
d62a17ae | 1315 | return zvni_neigh_del(wctx->zvni, n); |
1316 | } | |
13d60d35 | 1317 | |
d62a17ae | 1318 | return 0; |
13d60d35 | 1319 | } |
1320 | ||
1321 | /* | |
2232a77c | 1322 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1323 | */ |
d62a17ae | 1324 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1325 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1326 | { |
d62a17ae | 1327 | struct neigh_walk_ctx wctx; |
13d60d35 | 1328 | |
d62a17ae | 1329 | if (!zvni->neigh_table) |
1330 | return; | |
13d60d35 | 1331 | |
d62a17ae | 1332 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1333 | wctx.zvni = zvni; | |
1334 | wctx.uninstall = uninstall; | |
1335 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1336 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1337 | |
d62a17ae | 1338 | hash_iterate(zvni->neigh_table, |
1339 | (void (*)(struct hash_backet *, | |
1340 | void *))zvni_neigh_del_hash_entry, | |
1341 | &wctx); | |
2232a77c | 1342 | } |
13d60d35 | 1343 | |
2232a77c | 1344 | /* |
1345 | * Delete all neighbor entries for this VNI. | |
1346 | */ | |
996c9314 | 1347 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1348 | uint32_t flags) |
2232a77c | 1349 | { |
d62a17ae | 1350 | struct neigh_walk_ctx wctx; |
13d60d35 | 1351 | |
d62a17ae | 1352 | if (!zvni->neigh_table) |
1353 | return; | |
13d60d35 | 1354 | |
d62a17ae | 1355 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1356 | wctx.zvni = zvni; | |
d62a17ae | 1357 | wctx.uninstall = uninstall; |
1358 | wctx.upd_client = upd_client; | |
1359 | wctx.flags = flags; | |
2232a77c | 1360 | |
d62a17ae | 1361 | hash_iterate(zvni->neigh_table, |
1362 | (void (*)(struct hash_backet *, | |
1363 | void *))zvni_neigh_del_hash_entry, | |
1364 | &wctx); | |
13d60d35 | 1365 | } |
1366 | ||
1367 | /* | |
2232a77c | 1368 | * Look up neighbor hash entry. |
1369 | */ | |
d62a17ae | 1370 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1371 | { |
d62a17ae | 1372 | zebra_neigh_t tmp; |
1373 | zebra_neigh_t *n; | |
2232a77c | 1374 | |
d62a17ae | 1375 | memset(&tmp, 0, sizeof(tmp)); |
1376 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1377 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1378 | |
d62a17ae | 1379 | return n; |
2232a77c | 1380 | } |
1381 | ||
b6938a74 | 1382 | /* Process all neigh associated to a mac upon local mac add event */ |
2853fed6 | 1383 | static void zvni_process_neigh_on_local_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1384 | zebra_mac_t *zmac) |
1385 | { | |
1386 | zebra_neigh_t *n = NULL; | |
1387 | struct listnode *node = NULL; | |
1388 | char buf[ETHER_ADDR_STRLEN]; | |
1389 | char buf2[INET6_ADDRSTRLEN]; | |
1390 | ||
1391 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1392 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1393 | /* MAC is learnt locally, program all inactive neigh | |
1394 | * pointing to this mac */ | |
1395 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
1396 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1397 | zlog_debug( | |
b7cfce93 | 1398 | "neigh %s (MAC %s) on L2-VNI %u is now ACTIVE", |
b6938a74 MK |
1399 | ipaddr2str(&n->ip, buf2, |
1400 | sizeof(buf2)), | |
1401 | prefix_mac2str(&n->emac, buf, | |
1402 | sizeof(buf)), | |
1403 | zvni->vni); | |
1404 | ||
1405 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
1406 | zvni_neigh_send_add_to_client( | |
ead40654 | 1407 | zvni->vni, &n->ip, &n->emac, n->flags); |
b6938a74 MK |
1408 | } else { |
1409 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1410 | zlog_debug( | |
2853fed6 | 1411 | "neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", |
b6938a74 MK |
1412 | ipaddr2str(&n->ip, buf2, |
1413 | sizeof(buf2)), | |
1414 | prefix_mac2str(&n->emac, buf, | |
1415 | sizeof(buf)), | |
1416 | zvni->vni); | |
1417 | } | |
1418 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1419 | /* TODO: assume the neigh has moved too ?? */ | |
1420 | } | |
1421 | } | |
1422 | } | |
1423 | ||
1424 | /* Process all neigh associated to a mac upon local mac del event */ | |
2853fed6 | 1425 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1426 | zebra_mac_t *zmac) |
1427 | { | |
1428 | zebra_neigh_t *n = NULL; | |
1429 | struct listnode *node = NULL; | |
1430 | char buf[ETHER_ADDR_STRLEN]; | |
1431 | char buf2[INET6_ADDRSTRLEN]; | |
1432 | ||
1433 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1434 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1435 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1436 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1437 | zlog_debug( | |
b7cfce93 | 1438 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1439 | ipaddr2str(&n->ip, buf2, |
1440 | sizeof(buf2)), | |
1441 | prefix_mac2str(&n->emac, buf, | |
1442 | sizeof(buf)), | |
1443 | zvni->vni); | |
1444 | ||
1445 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1446 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1447 | &n->emac, 0); | |
b6938a74 MK |
1448 | } |
1449 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1450 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1451 | zlog_err( | |
2853fed6 | 1452 | "local MAC %s getting deleted on VNI %u has remote neigh %s", |
b6938a74 MK |
1453 | prefix_mac2str(&n->emac, buf, |
1454 | sizeof(buf)), | |
1455 | zvni->vni, | |
1456 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1457 | } | |
1458 | } | |
1459 | } | |
1460 | ||
1461 | /* process all neigh associated to a mac entry upon remote mac add */ | |
2853fed6 | 1462 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1463 | zebra_mac_t *zmac) |
1464 | { | |
1465 | zebra_neigh_t *n = NULL; | |
1466 | struct listnode *node = NULL; | |
1467 | char buf[ETHER_ADDR_STRLEN]; | |
1468 | char buf2[INET6_ADDRSTRLEN]; | |
1469 | ||
1470 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1471 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1472 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1473 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1474 | zlog_debug( | |
b7cfce93 | 1475 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1476 | ipaddr2str(&n->ip, buf2, |
1477 | sizeof(buf2)), | |
1478 | prefix_mac2str(&n->emac, buf, | |
1479 | sizeof(buf)), | |
1480 | zvni->vni); | |
1481 | ||
1482 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1483 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1484 | &n->emac, 0); | |
b6938a74 MK |
1485 | } |
1486 | } | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* process all neigh associated to mac entry upon remote mac del */ | |
2853fed6 | 1491 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1492 | zebra_mac_t *zmac) |
1493 | { | |
1494 | zebra_neigh_t *n = NULL; | |
1495 | struct listnode *node = NULL; | |
1496 | char buf[ETHER_ADDR_STRLEN]; | |
1497 | char buf2[INET6_ADDRSTRLEN]; | |
1498 | ||
1499 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1500 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1501 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1502 | zlog_err( | |
2853fed6 | 1503 | "remote MAC %s getting deleted on VNI %u has local neigh %s", |
b6938a74 MK |
1504 | prefix_mac2str(&n->emac, buf, |
1505 | sizeof(buf)), | |
1506 | zvni->vni, | |
1507 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1508 | } | |
1509 | } | |
1510 | } | |
1511 | ||
2232a77c | 1512 | /* |
1513 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1514 | */ |
996c9314 | 1515 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1516 | struct ethaddr *macaddr, |
d7c0a89a | 1517 | uint8_t neigh_flags) |
13d60d35 | 1518 | { |
d7c0a89a | 1519 | uint8_t flags = 0; |
ead40654 MK |
1520 | |
1521 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1522 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
1523 | ||
2853fed6 | 1524 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1525 | ZEBRA_MACIP_ADD); |
2232a77c | 1526 | } |
13d60d35 | 1527 | |
2232a77c | 1528 | /* |
1529 | * Inform BGP about local neighbor deletion. | |
1530 | */ | |
996c9314 | 1531 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1532 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1533 | { |
2853fed6 | 1534 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1535 | ZEBRA_MACIP_DEL); |
2232a77c | 1536 | } |
1537 | ||
1538 | /* | |
1539 | * Install remote neighbor into the kernel. | |
1540 | */ | |
d62a17ae | 1541 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1542 | { |
d62a17ae | 1543 | struct zebra_if *zif; |
1544 | struct zebra_l2info_vxlan *vxl; | |
1545 | struct interface *vlan_if; | |
2232a77c | 1546 | |
d62a17ae | 1547 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1548 | return 0; | |
13d60d35 | 1549 | |
d62a17ae | 1550 | zif = zvni->vxlan_if->info; |
1551 | if (!zif) | |
1552 | return -1; | |
1553 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1554 | |
2853fed6 | 1555 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1556 | if (!vlan_if) |
1557 | return -1; | |
13d60d35 | 1558 | |
d62a17ae | 1559 | return kernel_add_neigh(vlan_if, &n->ip, &n->emac); |
2232a77c | 1560 | } |
13d60d35 | 1561 | |
2232a77c | 1562 | /* |
1563 | * Uninstall remote neighbor from the kernel. | |
1564 | */ | |
d62a17ae | 1565 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1566 | { |
d62a17ae | 1567 | struct zebra_if *zif; |
1568 | struct zebra_l2info_vxlan *vxl; | |
1569 | struct interface *vlan_if; | |
13d60d35 | 1570 | |
d62a17ae | 1571 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1572 | return 0; | |
2232a77c | 1573 | |
d62a17ae | 1574 | if (!zvni->vxlan_if) { |
1575 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
1576 | zvni->vni, zvni); | |
1577 | return -1; | |
1578 | } | |
2232a77c | 1579 | |
d62a17ae | 1580 | zif = zvni->vxlan_if->info; |
1581 | if (!zif) | |
1582 | return -1; | |
1583 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1584 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1585 | if (!vlan_if) |
1586 | return -1; | |
2232a77c | 1587 | |
d62a17ae | 1588 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1589 | } |
1590 | ||
1591 | /* | |
2232a77c | 1592 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1593 | */ |
d62a17ae | 1594 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1595 | { |
d62a17ae | 1596 | zebra_neigh_t *n; |
1597 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1598 | |
d62a17ae | 1599 | n = (zebra_neigh_t *)backet->data; |
1600 | if (!n) | |
1601 | return; | |
13d60d35 | 1602 | |
d62a17ae | 1603 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1604 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1605 | } |
13d60d35 | 1606 | |
1a98c087 MK |
1607 | /* Get the VRR interface for SVI if any */ |
1608 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1609 | { | |
1610 | struct zebra_vrf *zvrf = NULL; | |
1611 | struct interface *tmp_if = NULL; | |
1612 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1613 | |
1614 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1615 | assert(zvrf); | |
1616 | ||
451fda4f | 1617 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1618 | zif = tmp_if->info; |
1619 | if (!zif) | |
1620 | continue; | |
1621 | ||
1622 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1623 | continue; | |
1624 | ||
1625 | if (zif->link == ifp) | |
1626 | return tmp_if; | |
1627 | } | |
1628 | ||
1629 | return NULL; | |
1630 | } | |
1631 | ||
1632 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1633 | { | |
1a98c087 MK |
1634 | struct listnode *cnode = NULL, *cnnode = NULL; |
1635 | struct connected *c = NULL; | |
1636 | struct ethaddr macaddr; | |
1637 | ||
1a98c087 MK |
1638 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1639 | ||
1640 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1641 | struct ipaddr ip; | |
1642 | ||
1643 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1644 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1645 | continue; | |
1646 | ||
1647 | if (c->address->family == AF_INET) { | |
1648 | ip.ipa_type = IPADDR_V4; | |
1649 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1650 | sizeof(struct in_addr)); | |
1651 | } else if (c->address->family == AF_INET6) { | |
1652 | ip.ipa_type = IPADDR_V6; | |
1653 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1654 | sizeof(struct in6_addr)); | |
1655 | } else { | |
1656 | continue; | |
1657 | } | |
1658 | ||
1659 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1660 | } | |
1661 | ||
1662 | return 0; | |
1663 | } | |
1664 | ||
1665 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1666 | { | |
1a98c087 MK |
1667 | struct listnode *cnode = NULL, *cnnode = NULL; |
1668 | struct connected *c = NULL; | |
1669 | struct ethaddr macaddr; | |
1670 | ||
1a98c087 MK |
1671 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1672 | ||
1673 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1674 | struct ipaddr ip; | |
1675 | ||
1676 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1677 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1678 | continue; | |
1679 | ||
1680 | if (c->address->family == AF_INET) { | |
1681 | ip.ipa_type = IPADDR_V4; | |
1682 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1683 | sizeof(struct in_addr)); | |
1684 | } else if (c->address->family == AF_INET6) { | |
1685 | ip.ipa_type = IPADDR_V6; | |
1686 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1687 | sizeof(struct in6_addr)); | |
1688 | } else { | |
1689 | continue; | |
1690 | } | |
1691 | ||
1692 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1693 | } | |
31310b25 MK |
1694 | return 0; |
1695 | } | |
1696 | ||
1697 | ||
996c9314 | 1698 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1699 | int advertise) |
1700 | { | |
1701 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1702 | struct connected *c = NULL; | |
1703 | struct ethaddr macaddr; | |
1704 | ||
1705 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1706 | ||
1707 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1708 | struct prefix p; | |
1a98c087 | 1709 | |
31310b25 MK |
1710 | memcpy(&p, c->address, sizeof(struct prefix)); |
1711 | ||
1712 | /* skip link local address */ | |
1713 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1714 | continue; | |
1715 | ||
1716 | apply_mask(&p); | |
1717 | if (advertise) | |
1718 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1719 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1720 | else |
1721 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1722 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1723 | } | |
1a98c087 MK |
1724 | return 0; |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * zvni_gw_macip_add_to_client | |
1729 | */ | |
1730 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1731 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1732 | { | |
1a98c087 MK |
1733 | char buf[ETHER_ADDR_STRLEN]; |
1734 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1735 | zebra_neigh_t *n = NULL; |
1736 | zebra_mac_t *mac = NULL; | |
1737 | struct zebra_if *zif = NULL; | |
1738 | struct zebra_l2info_vxlan *vxl = NULL; | |
1739 | ||
1a98c087 MK |
1740 | zif = zvni->vxlan_if->info; |
1741 | if (!zif) | |
1742 | return -1; | |
1743 | ||
1744 | vxl = &zif->l2info.vxl; | |
1745 | ||
1746 | mac = zvni_mac_lookup(zvni, macaddr); | |
1747 | if (!mac) { | |
1748 | mac = zvni_mac_add(zvni, macaddr); | |
1749 | if (!mac) { | |
2853fed6 | 1750 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
1a98c087 MK |
1751 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1752 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1753 | return -1; | |
1754 | } | |
1755 | } | |
1756 | ||
1757 | /* Set "local" forwarding info. */ | |
1758 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1759 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1760 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1761 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1762 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1763 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1764 | ||
1765 | n = zvni_neigh_lookup(zvni, ip); | |
1766 | if (!n) { | |
b6938a74 | 1767 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 MK |
1768 | if (!n) { |
1769 | zlog_err( | |
2853fed6 | 1770 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1771 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1772 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1773 | ifp->name, ifp->ifindex, zvni->vni); |
1774 | return -1; | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | /* Set "local" forwarding info. */ | |
1779 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1780 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a98c087 MK |
1781 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1782 | n->ifindex = ifp->ifindex; | |
1783 | ||
ead40654 MK |
1784 | /* Only advertise in BGP if the knob is enabled */ |
1785 | if (!advertise_gw_macip_enabled(zvni)) | |
1786 | return 0; | |
1787 | ||
1a98c087 MK |
1788 | if (IS_ZEBRA_DEBUG_VXLAN) |
1789 | zlog_debug( | |
964ec886 | 1790 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP", |
2853fed6 | 1791 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1792 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1793 | ipaddr2str(ip, buf2, sizeof(buf2))); |
1794 | ||
996c9314 | 1795 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
1a98c087 MK |
1796 | |
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | /* | |
1801 | * zvni_gw_macip_del_from_client | |
1802 | */ | |
1803 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1804 | struct ipaddr *ip) | |
1805 | { | |
0af35d90 | 1806 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1807 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1808 | zebra_neigh_t *n = NULL; |
1809 | zebra_mac_t *mac = NULL; | |
1810 | ||
1a98c087 MK |
1811 | /* If the neigh entry is not present nothing to do*/ |
1812 | n = zvni_neigh_lookup(zvni, ip); | |
1813 | if (!n) | |
1814 | return 0; | |
1815 | ||
1816 | /* mac entry should be present */ | |
1817 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1818 | if (!mac) { |
2853fed6 | 1819 | zlog_err("MAC %s doesnt exists for neigh %s on VNI %u", |
0af35d90 | 1820 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
1a98c087 | 1821 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); |
0af35d90 RW |
1822 | return -1; |
1823 | } | |
1a98c087 MK |
1824 | |
1825 | /* If the entry is not local nothing to do*/ | |
1826 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1827 | return -1; | |
1828 | ||
ead40654 | 1829 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1830 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1831 | zlog_debug( |
1832 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1833 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
1834 | prefix_mac2str(&(n->emac), NULL, ETHER_ADDR_STRLEN), | |
1835 | ipaddr2str(ip, buf2, sizeof(buf2))); | |
01a6143b MK |
1836 | |
1837 | /* Remove neighbor from BGP. */ | |
1838 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1839 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1840 | |
1841 | /* Delete this neighbor entry. */ | |
1842 | zvni_neigh_del(zvni, n); | |
1843 | ||
1844 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1845 | if (mac) |
1846 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1847 | |
1848 | return 0; | |
1849 | } | |
1850 | ||
1851 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1852 | void *ctxt) |
1a98c087 MK |
1853 | { |
1854 | zebra_vni_t *zvni = NULL; | |
1855 | struct zebra_if *zif = NULL; | |
1856 | struct zebra_l2info_vxlan zl2_info; | |
1857 | struct interface *vlan_if = NULL; | |
1858 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1859 | struct interface *ifp; |
1a98c087 MK |
1860 | |
1861 | /* Add primary SVI MAC*/ | |
1862 | zvni = (zebra_vni_t *)backet->data; | |
1863 | if (!zvni) | |
1864 | return; | |
1865 | ||
b5ebdc9b | 1866 | ifp = zvni->vxlan_if; |
1867 | if (!ifp) | |
1868 | return; | |
1869 | zif = ifp->info; | |
1870 | ||
1871 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1872 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1873 | return; |
1874 | ||
1a98c087 MK |
1875 | zl2_info = zif->l2info.vxl; |
1876 | ||
996c9314 LB |
1877 | vlan_if = |
1878 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1879 | if (!vlan_if) |
1880 | return; | |
1881 | ||
1882 | /* Del primary MAC-IP */ | |
1883 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1884 | ||
1885 | /* Del VRR MAC-IP - if any*/ | |
1886 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1887 | if (vrr_if) | |
1888 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1889 | ||
1890 | return; | |
1891 | } | |
1892 | ||
1893 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1894 | void *ctxt) |
1a98c087 MK |
1895 | { |
1896 | zebra_vni_t *zvni = NULL; | |
1897 | struct zebra_if *zif = NULL; | |
1898 | struct zebra_l2info_vxlan zl2_info; | |
1899 | struct interface *vlan_if = NULL; | |
1900 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1901 | struct interface *ifp = NULL; |
1a98c087 MK |
1902 | |
1903 | zvni = (zebra_vni_t *)backet->data; | |
1904 | if (!zvni) | |
1905 | return; | |
1906 | ||
b5ebdc9b | 1907 | ifp = zvni->vxlan_if; |
1908 | if (!ifp) | |
1909 | return; | |
1910 | zif = ifp->info; | |
1911 | ||
1912 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1913 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1914 | return; |
1a98c087 MK |
1915 | zl2_info = zif->l2info.vxl; |
1916 | ||
996c9314 LB |
1917 | vlan_if = |
1918 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1919 | if (!vlan_if) |
1920 | return; | |
1921 | ||
1a98c087 MK |
1922 | /* Add primary SVI MAC-IP */ |
1923 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1924 | ||
1925 | /* Add VRR MAC-IP - if any*/ | |
1926 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1927 | if (vrr_if) | |
1928 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1929 | ||
1930 | return; | |
1931 | } | |
1932 | ||
ee69da27 MK |
1933 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1934 | struct interface *ifp, | |
1935 | struct ipaddr *ip, | |
1936 | struct ethaddr *macaddr) | |
1937 | { | |
1938 | char buf[ETHER_ADDR_STRLEN]; | |
1939 | char buf2[INET6_ADDRSTRLEN]; | |
1940 | zebra_neigh_t *n = NULL; | |
1941 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
1942 | ||
1943 | /* create a dummy MAC if the MAC is not already present */ | |
1944 | zmac = zvni_mac_lookup(zvni, macaddr); | |
1945 | if (!zmac) { | |
1946 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1947 | zlog_debug( | |
1948 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1949 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1950 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1951 | ||
1952 | zmac = zvni_mac_add(zvni, macaddr); | |
1953 | if (!zmac) { | |
1954 | zlog_warn("Failed to add MAC %s VNI %u", | |
1955 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1956 | zvni->vni); | |
1957 | return -1; | |
1958 | } | |
1959 | ||
1960 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1961 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1962 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
1963 | } | |
1964 | ||
1965 | /* If same entry already exists, it might be a change or it might be a | |
1966 | * move from remote to local. | |
1967 | */ | |
1968 | n = zvni_neigh_lookup(zvni, ip); | |
1969 | if (n) { | |
1970 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1971 | if (memcmp(n->emac.octet, macaddr->octet, | |
1972 | ETH_ALEN) == 0) { | |
1973 | /* Update any params and return - client doesn't | |
1974 | * care about a purely local change. | |
1975 | */ | |
1976 | n->ifindex = ifp->ifindex; | |
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | /* If the MAC has changed, | |
1981 | * need to issue a delete first | |
1982 | * as this means a different MACIP route. | |
1983 | * Also, need to do some unlinking/relinking. | |
1984 | */ | |
1985 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
1986 | &n->emac, 0); | |
1987 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
1988 | if (old_zmac) { | |
1989 | listnode_delete(old_zmac->neigh_list, n); | |
1990 | zvni_deref_ip2mac(zvni, old_zmac, 0); | |
1991 | } | |
1992 | ||
1993 | /* Update the forwarding info. */ | |
1994 | n->ifindex = ifp->ifindex; | |
1995 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
1996 | ||
1997 | /* Link to new MAC */ | |
1998 | listnode_add_sort(zmac->neigh_list, n); | |
1999 | ||
2000 | } else | |
2001 | /* Neighbor has moved from remote to local. */ | |
2002 | { | |
2003 | /* If MAC has changed, do the unlink/link */ | |
2004 | if (memcmp(n->emac.octet, macaddr->octet, | |
2005 | ETH_ALEN) != 0) { | |
2006 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2007 | if (old_zmac) { | |
9fc1522c DS |
2008 | listnode_delete(old_zmac->neigh_list, |
2009 | n); | |
ee69da27 MK |
2010 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2011 | } | |
2012 | ||
2013 | /* Link to new MAC */ | |
2014 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2015 | listnode_add_sort(zmac->neigh_list, n); | |
2016 | } | |
2017 | ||
2018 | /* Mark appropriately */ | |
2019 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2020 | n->r_vtep_ip.s_addr = 0; | |
2021 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2022 | n->ifindex = ifp->ifindex; | |
2023 | } | |
2024 | } else { | |
2025 | /* New neighbor - create */ | |
2026 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2027 | if (!n) { | |
2028 | zlog_err( | |
2029 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", | |
2030 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2031 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2032 | ifp->name, ifp->ifindex, zvni->vni); | |
2033 | return -1; | |
2034 | } | |
2035 | /* Set "local" forwarding info. */ | |
2036 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2037 | n->ifindex = ifp->ifindex; | |
2038 | } | |
2039 | ||
2040 | /* Before we program this in BGP, we need to check if MAC is locally | |
2041 | * learnt as well | |
2042 | */ | |
2043 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
2044 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2045 | zlog_debug( | |
2046 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u", | |
2047 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2048 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2049 | zvni->vni); | |
2050 | ||
2051 | return 0; | |
2052 | } | |
2053 | ||
2054 | /* Inform BGP. */ | |
2055 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2056 | zlog_debug("Neigh %s (MAC %s) is now ACTIVE on L2-VNI %u", | |
2057 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2058 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2059 | zvni->vni); | |
2060 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
2061 | ||
2062 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, 0); | |
2063 | } | |
2064 | ||
2065 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2066 | struct interface *ifp, | |
2067 | struct ipaddr *ip, | |
2068 | struct ethaddr *macaddr, | |
2069 | uint16_t state) | |
2070 | { | |
2071 | char buf[ETHER_ADDR_STRLEN]; | |
2072 | char buf2[INET6_ADDRSTRLEN]; | |
2073 | zebra_neigh_t *n = NULL; | |
2074 | zebra_mac_t *zmac = NULL; | |
2075 | ||
2076 | /* If the neighbor is unknown, there is no further action. */ | |
2077 | n = zvni_neigh_lookup(zvni, ip); | |
2078 | if (!n) | |
2079 | return 0; | |
2080 | ||
2081 | /* If a remote entry, see if it needs to be refreshed */ | |
2082 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2083 | #ifdef GNU_LINUX |
ee69da27 MK |
2084 | if (state & NUD_STALE) |
2085 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2086 | #endif |
ee69da27 MK |
2087 | } else { |
2088 | /* We got a "remote" neighbor notification for an entry | |
2089 | * we think is local. This can happen in a multihoming | |
2090 | * scenario - but only if the MAC is already "remote". | |
2091 | * Just mark our entry as "remote". | |
2092 | */ | |
2093 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2094 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9fc1522c DS |
2095 | zlog_err("Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2096 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2097 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2098 | zvni->vni); | |
ee69da27 MK |
2099 | return -1; |
2100 | } | |
2101 | ||
2102 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2103 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2104 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2105 | } | |
2106 | ||
2107 | return 0; | |
2108 | } | |
2109 | ||
2232a77c | 2110 | /* |
2111 | * Make hash key for MAC. | |
2112 | */ | |
d62a17ae | 2113 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2114 | { |
d62a17ae | 2115 | zebra_mac_t *pmac = p; |
25331def DS |
2116 | const void *pnt = (void *)pmac->macaddr.octet; |
2117 | ||
ff8b7eb8 | 2118 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2119 | } |
13d60d35 | 2120 | |
2232a77c | 2121 | /* |
2122 | * Compare two MAC addresses. | |
2123 | */ | |
d62a17ae | 2124 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2125 | { |
d62a17ae | 2126 | const zebra_mac_t *pmac1 = p1; |
2127 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2128 | |
d62a17ae | 2129 | if (pmac1 == NULL && pmac2 == NULL) |
2130 | return 1; | |
2232a77c | 2131 | |
d62a17ae | 2132 | if (pmac1 == NULL || pmac2 == NULL) |
2133 | return 0; | |
2232a77c | 2134 | |
996c9314 | 2135 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2136 | == 0); |
2232a77c | 2137 | } |
2138 | ||
2139 | /* | |
2140 | * Callback to allocate MAC hash entry. | |
2141 | */ | |
d62a17ae | 2142 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2143 | { |
d62a17ae | 2144 | const zebra_mac_t *tmp_mac = p; |
2145 | zebra_mac_t *mac; | |
2232a77c | 2146 | |
d62a17ae | 2147 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2148 | *mac = *tmp_mac; | |
2232a77c | 2149 | |
d62a17ae | 2150 | return ((void *)mac); |
2232a77c | 2151 | } |
2152 | ||
2153 | /* | |
2154 | * Add MAC entry. | |
2155 | */ | |
d62a17ae | 2156 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2157 | { |
d62a17ae | 2158 | zebra_mac_t tmp_mac; |
2159 | zebra_mac_t *mac = NULL; | |
2232a77c | 2160 | |
d62a17ae | 2161 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2162 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2163 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2164 | assert(mac); | |
2232a77c | 2165 | |
b6938a74 MK |
2166 | mac->neigh_list = list_new(); |
2167 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2168 | ||
d62a17ae | 2169 | return mac; |
2232a77c | 2170 | } |
2171 | ||
2172 | /* | |
2173 | * Delete MAC entry. | |
2174 | */ | |
d62a17ae | 2175 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2176 | { |
d62a17ae | 2177 | zebra_mac_t *tmp_mac; |
2232a77c | 2178 | |
affe9e99 | 2179 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2180 | |
d62a17ae | 2181 | /* Free the VNI hash entry and allocated memory. */ |
2182 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2183 | if (tmp_mac) | |
2184 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2185 | |
d62a17ae | 2186 | return 0; |
2232a77c | 2187 | } |
2188 | ||
2189 | /* | |
2190 | * Free MAC hash entry (callback) | |
2191 | */ | |
d62a17ae | 2192 | static int zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2193 | { |
d62a17ae | 2194 | struct mac_walk_ctx *wctx = arg; |
2195 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2196 | |
d62a17ae | 2197 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2198 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2199 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2200 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2201 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2202 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2203 | &wctx->r_vtep_ip))) { | |
2204 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2205 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2206 | &mac->macaddr, mac->flags); | |
d62a17ae | 2207 | } |
2232a77c | 2208 | |
d62a17ae | 2209 | if (wctx->uninstall) |
2210 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2211 | |
d62a17ae | 2212 | return zvni_mac_del(wctx->zvni, mac); |
2213 | } | |
2232a77c | 2214 | |
d62a17ae | 2215 | return 0; |
2232a77c | 2216 | } |
2217 | ||
2218 | /* | |
2219 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2220 | */ | |
d62a17ae | 2221 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2222 | struct in_addr *r_vtep_ip) | |
2232a77c | 2223 | { |
d62a17ae | 2224 | struct mac_walk_ctx wctx; |
2232a77c | 2225 | |
d62a17ae | 2226 | if (!zvni->mac_table) |
2227 | return; | |
2232a77c | 2228 | |
d62a17ae | 2229 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2230 | wctx.zvni = zvni; | |
2231 | wctx.uninstall = uninstall; | |
2232 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2233 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2234 | |
9d303b37 DL |
2235 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2236 | void *))zvni_mac_del_hash_entry, | |
2237 | &wctx); | |
2232a77c | 2238 | } |
2239 | ||
2240 | /* | |
2241 | * Delete all MAC entries for this VNI. | |
2242 | */ | |
996c9314 | 2243 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2244 | uint32_t flags) |
2232a77c | 2245 | { |
d62a17ae | 2246 | struct mac_walk_ctx wctx; |
2232a77c | 2247 | |
d62a17ae | 2248 | if (!zvni->mac_table) |
2249 | return; | |
2232a77c | 2250 | |
d62a17ae | 2251 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2252 | wctx.zvni = zvni; | |
d62a17ae | 2253 | wctx.uninstall = uninstall; |
2254 | wctx.upd_client = upd_client; | |
2255 | wctx.flags = flags; | |
2232a77c | 2256 | |
9d303b37 DL |
2257 | hash_iterate(zvni->mac_table, (void (*)(struct hash_backet *, |
2258 | void *))zvni_mac_del_hash_entry, | |
2259 | &wctx); | |
2232a77c | 2260 | } |
2261 | ||
2262 | /* | |
2263 | * Look up MAC hash entry. | |
2264 | */ | |
d62a17ae | 2265 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2266 | { |
d62a17ae | 2267 | zebra_mac_t tmp; |
2268 | zebra_mac_t *pmac; | |
2232a77c | 2269 | |
d62a17ae | 2270 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2271 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2272 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2273 | |
d62a17ae | 2274 | return pmac; |
2232a77c | 2275 | } |
2276 | ||
2277 | /* | |
2278 | * Inform BGP about local MAC addition. | |
2279 | */ | |
996c9314 | 2280 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2281 | uint8_t mac_flags) |
2232a77c | 2282 | { |
d7c0a89a | 2283 | uint8_t flags = 0; |
ead40654 MK |
2284 | |
2285 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2286 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2287 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2288 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2289 | ||
2853fed6 | 2290 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2291 | ZEBRA_MACIP_ADD); |
2232a77c | 2292 | } |
2293 | ||
2294 | /* | |
2295 | * Inform BGP about local MAC deletion. | |
2296 | */ | |
996c9314 | 2297 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2298 | uint8_t mac_flags) |
2232a77c | 2299 | { |
d7c0a89a | 2300 | uint8_t flags = 0; |
ead40654 MK |
2301 | |
2302 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2303 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2304 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2305 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2306 | ||
2853fed6 | 2307 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2308 | ZEBRA_MACIP_DEL); |
2232a77c | 2309 | } |
2310 | ||
2311 | /* | |
2312 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2313 | * notifications, to see if they are of interest. |
2232a77c | 2314 | */ |
d62a17ae | 2315 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2316 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2317 | { |
2853fed6 | 2318 | struct zebra_ns *zns; |
2319 | struct route_node *rn; | |
2320 | struct interface *tmp_if = NULL; | |
d62a17ae | 2321 | struct zebra_if *zif; |
2322 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2323 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2324 | uint8_t bridge_vlan_aware; |
d62a17ae | 2325 | zebra_vni_t *zvni; |
2853fed6 | 2326 | int found = 0; |
2232a77c | 2327 | |
d62a17ae | 2328 | /* Determine if bridge is VLAN-aware or not */ |
2329 | zif = br_if->info; | |
2330 | assert(zif); | |
2331 | br = &zif->l2info.br; | |
2332 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2333 | |
d62a17ae | 2334 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2335 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2336 | zns = zebra_ns_lookup(NS_DEFAULT); |
2337 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2338 | tmp_if = (struct interface *)rn->info; | |
2339 | if (!tmp_if) | |
2340 | continue; | |
d62a17ae | 2341 | zif = tmp_if->info; |
2342 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2343 | continue; | |
2344 | if (!if_is_operative(tmp_if)) | |
2345 | continue; | |
2346 | vxl = &zif->l2info.vxl; | |
2232a77c | 2347 | |
d62a17ae | 2348 | if (zif->brslave_info.br_if != br_if) |
2349 | continue; | |
2232a77c | 2350 | |
2853fed6 | 2351 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2352 | found = 1; | |
d62a17ae | 2353 | break; |
2853fed6 | 2354 | } |
d62a17ae | 2355 | } |
2232a77c | 2356 | |
2853fed6 | 2357 | if (!found) |
d62a17ae | 2358 | return NULL; |
2232a77c | 2359 | |
2853fed6 | 2360 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2361 | return zvni; |
2232a77c | 2362 | } |
2363 | ||
2364 | /* | |
2365 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2366 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2367 | */ |
b7cfce93 MK |
2368 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2369 | struct interface *br_if) | |
d62a17ae | 2370 | { |
2853fed6 | 2371 | struct zebra_ns *zns; |
2372 | struct route_node *rn; | |
2373 | struct interface *tmp_if = NULL; | |
d62a17ae | 2374 | struct zebra_if *zif; |
2375 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2376 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2377 | uint8_t bridge_vlan_aware; |
d62a17ae | 2378 | vlanid_t vid = 0; |
2379 | zebra_vni_t *zvni; | |
2853fed6 | 2380 | int found = 0; |
d62a17ae | 2381 | |
71349e03 MK |
2382 | if (!br_if) |
2383 | return NULL; | |
2384 | ||
d62a17ae | 2385 | /* Make sure the linked interface is a bridge. */ |
2386 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2387 | return NULL; | |
2388 | ||
d62a17ae | 2389 | /* Determine if bridge is VLAN-aware or not */ |
2390 | zif = br_if->info; | |
2391 | assert(zif); | |
2392 | br = &zif->l2info.br; | |
2393 | bridge_vlan_aware = br->vlan_aware; | |
2394 | if (bridge_vlan_aware) { | |
2395 | struct zebra_l2info_vlan *vl; | |
2396 | ||
2397 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2398 | return NULL; | |
2399 | ||
2400 | zif = ifp->info; | |
2401 | assert(zif); | |
2402 | vl = &zif->l2info.vl; | |
2403 | vid = vl->vid; | |
2404 | } | |
2405 | ||
2406 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2407 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2408 | zns = zebra_ns_lookup(NS_DEFAULT); |
2409 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2410 | tmp_if = (struct interface *)rn->info; | |
2411 | if (!tmp_if) | |
2412 | continue; | |
d62a17ae | 2413 | zif = tmp_if->info; |
2414 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2415 | continue; | |
2416 | if (!if_is_operative(tmp_if)) | |
2417 | continue; | |
2418 | vxl = &zif->l2info.vxl; | |
2419 | ||
2420 | if (zif->brslave_info.br_if != br_if) | |
2421 | continue; | |
2422 | ||
2853fed6 | 2423 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2424 | found = 1; | |
d62a17ae | 2425 | break; |
2853fed6 | 2426 | } |
d62a17ae | 2427 | } |
2428 | ||
2853fed6 | 2429 | if (!found) |
d62a17ae | 2430 | return NULL; |
2431 | ||
2853fed6 | 2432 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2433 | return zvni; |
2232a77c | 2434 | } |
2435 | ||
2436 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2437 | * of two cases: | |
2438 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2439 | * linked to the bridge | |
2440 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2441 | * itself | |
2442 | */ | |
2853fed6 | 2443 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2444 | { |
2853fed6 | 2445 | struct zebra_ns *zns; |
2446 | struct route_node *rn; | |
2447 | struct interface *tmp_if = NULL; | |
d62a17ae | 2448 | struct zebra_if *zif; |
2449 | struct zebra_l2info_bridge *br; | |
2450 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2451 | uint8_t bridge_vlan_aware; |
2853fed6 | 2452 | int found = 0; |
d62a17ae | 2453 | |
b5ebdc9b | 2454 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2455 | if (!br_if) | |
2456 | return NULL; | |
2457 | ||
d62a17ae | 2458 | /* Determine if bridge is VLAN-aware or not */ |
2459 | zif = br_if->info; | |
2460 | assert(zif); | |
2461 | br = &zif->l2info.br; | |
2462 | bridge_vlan_aware = br->vlan_aware; | |
2463 | ||
2464 | /* Check oper status of the SVI. */ | |
2465 | if (!bridge_vlan_aware) | |
2466 | return if_is_operative(br_if) ? br_if : NULL; | |
2467 | ||
2468 | /* Identify corresponding VLAN interface. */ | |
2469 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2470 | zns = zebra_ns_lookup(NS_DEFAULT); |
2471 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2472 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2473 | /* Check oper status of the SVI. */ |
2853fed6 | 2474 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2475 | continue; |
2476 | zif = tmp_if->info; | |
2477 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2478 | || zif->link != br_if) | |
2479 | continue; | |
2480 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2481 | ||
2853fed6 | 2482 | if (vl->vid == vid) { |
2483 | found = 1; | |
d62a17ae | 2484 | break; |
2853fed6 | 2485 | } |
d62a17ae | 2486 | } |
2487 | ||
2853fed6 | 2488 | return found ? tmp_if : NULL; |
2232a77c | 2489 | } |
2490 | ||
2491 | /* | |
2492 | * Install remote MAC into the kernel. | |
2493 | */ | |
d62a17ae | 2494 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2495 | { |
d62a17ae | 2496 | struct zebra_if *zif; |
2497 | struct zebra_l2info_vxlan *vxl; | |
d7c0a89a | 2498 | uint8_t sticky; |
2232a77c | 2499 | |
d62a17ae | 2500 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2501 | return 0; | |
2232a77c | 2502 | |
d62a17ae | 2503 | zif = zvni->vxlan_if->info; |
2504 | if (!zif) | |
2505 | return -1; | |
2506 | vxl = &zif->l2info.vxl; | |
2232a77c | 2507 | |
d62a17ae | 2508 | sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0; |
c85c03c7 | 2509 | |
d62a17ae | 2510 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2511 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2512 | } |
2513 | ||
2514 | /* | |
2515 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2516 | * moves to remote, we have to uninstall any existing local entry first. | |
2517 | */ | |
d62a17ae | 2518 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2519 | { |
d62a17ae | 2520 | struct zebra_if *zif; |
2521 | struct zebra_l2info_vxlan *vxl; | |
2522 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2523 | struct zebra_ns *zns; | |
2524 | struct interface *ifp; | |
2232a77c | 2525 | |
d62a17ae | 2526 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2527 | return 0; | |
2232a77c | 2528 | |
d62a17ae | 2529 | if (!zvni->vxlan_if) { |
2530 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2531 | zvni->vni, zvni); | |
2532 | return -1; | |
2533 | } | |
2232a77c | 2534 | |
d62a17ae | 2535 | zif = zvni->vxlan_if->info; |
2536 | if (!zif) | |
2537 | return -1; | |
2538 | vxl = &zif->l2info.vxl; | |
2232a77c | 2539 | |
d62a17ae | 2540 | if (local) { |
2541 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2542 | ifp = if_lookup_by_index_per_ns(zns, | |
2543 | mac->fwd_info.local.ifindex); | |
2544 | if (!ifp) // unexpected | |
2545 | return -1; | |
2546 | } else { | |
2547 | ifp = zvni->vxlan_if; | |
2548 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2549 | } | |
2232a77c | 2550 | |
d62a17ae | 2551 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2552 | local); | |
2232a77c | 2553 | } |
2554 | ||
2555 | /* | |
2556 | * Install MAC hash entry - called upon access VLAN change. | |
2557 | */ | |
d62a17ae | 2558 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2559 | { |
d62a17ae | 2560 | zebra_mac_t *mac; |
2561 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2562 | |
d62a17ae | 2563 | mac = (zebra_mac_t *)backet->data; |
2564 | if (!mac) | |
2565 | return; | |
2232a77c | 2566 | |
d62a17ae | 2567 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2568 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2569 | } |
2570 | ||
2571 | /* | |
2572 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2573 | * appropriate. | |
2574 | */ | |
d62a17ae | 2575 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2576 | int uninstall) | |
2232a77c | 2577 | { |
60466a63 QY |
2578 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2579 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2580 | return; |
2232a77c | 2581 | |
d62a17ae | 2582 | if (uninstall) |
2583 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2584 | |
d62a17ae | 2585 | zvni_mac_del(zvni, mac); |
2232a77c | 2586 | } |
2587 | ||
2588 | /* | |
2589 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2590 | */ | |
996c9314 | 2591 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2592 | { |
2853fed6 | 2593 | struct zebra_ns *zns; |
d62a17ae | 2594 | struct zebra_if *zif; |
2595 | struct interface *vlan_if; | |
2596 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2597 | struct interface *vrr_if; |
2232a77c | 2598 | |
d62a17ae | 2599 | zif = ifp->info; |
2600 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2601 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2602 | |
d62a17ae | 2603 | if (IS_ZEBRA_DEBUG_VXLAN) |
2604 | zlog_debug( | |
2853fed6 | 2605 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2606 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2607 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2608 | |
2853fed6 | 2609 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2610 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2611 | if (vlan_if) { |
2612 | ||
ead40654 MK |
2613 | /* Add SVI MAC-IP */ |
2614 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2615 | |
ead40654 MK |
2616 | /* Add VRR MAC-IP - if any*/ |
2617 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2618 | if (vrr_if) | |
2619 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2620 | |
2853fed6 | 2621 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2622 | } |
2232a77c | 2623 | } |
2624 | ||
2625 | /* | |
2626 | * Hash function for VNI. | |
2627 | */ | |
d62a17ae | 2628 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2629 | { |
d62a17ae | 2630 | const zebra_vni_t *zvni = p; |
2232a77c | 2631 | |
d62a17ae | 2632 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2633 | } |
2634 | ||
2635 | /* | |
2636 | * Compare 2 VNI hash entries. | |
2637 | */ | |
d62a17ae | 2638 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2639 | { |
d62a17ae | 2640 | const zebra_vni_t *zvni1 = p1; |
2641 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2642 | |
d62a17ae | 2643 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2644 | } |
2645 | ||
2646 | /* | |
2647 | * Callback to allocate VNI hash entry. | |
2648 | */ | |
d62a17ae | 2649 | static void *zvni_alloc(void *p) |
2232a77c | 2650 | { |
d62a17ae | 2651 | const zebra_vni_t *tmp_vni = p; |
2652 | zebra_vni_t *zvni; | |
2232a77c | 2653 | |
d62a17ae | 2654 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2655 | zvni->vni = tmp_vni->vni; | |
2656 | return ((void *)zvni); | |
2232a77c | 2657 | } |
2658 | ||
2659 | /* | |
2660 | * Look up VNI hash entry. | |
2661 | */ | |
2853fed6 | 2662 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2663 | { |
2853fed6 | 2664 | struct zebra_vrf *zvrf; |
d62a17ae | 2665 | zebra_vni_t tmp_vni; |
2666 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2667 | |
2853fed6 | 2668 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2669 | assert(zvrf); | |
d62a17ae | 2670 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2671 | tmp_vni.vni = vni; | |
2672 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2673 | |
d62a17ae | 2674 | return zvni; |
2232a77c | 2675 | } |
2676 | ||
2677 | /* | |
2678 | * Add VNI hash entry. | |
2679 | */ | |
2853fed6 | 2680 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2681 | { |
2853fed6 | 2682 | struct zebra_vrf *zvrf; |
d62a17ae | 2683 | zebra_vni_t tmp_zvni; |
2684 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2685 | |
2853fed6 | 2686 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2687 | assert(zvrf); | |
d62a17ae | 2688 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2689 | tmp_zvni.vni = vni; | |
2690 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2691 | assert(zvni); | |
2232a77c | 2692 | |
d62a17ae | 2693 | /* Create hash table for MAC */ |
2694 | zvni->mac_table = | |
2695 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2696 | |
d62a17ae | 2697 | /* Create hash table for neighbors */ |
2698 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2699 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2700 | |
d62a17ae | 2701 | return zvni; |
2232a77c | 2702 | } |
2703 | ||
2704 | /* | |
2705 | * Delete VNI hash entry. | |
2706 | */ | |
2853fed6 | 2707 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2708 | { |
2853fed6 | 2709 | struct zebra_vrf *zvrf; |
d62a17ae | 2710 | zebra_vni_t *tmp_zvni; |
2232a77c | 2711 | |
2853fed6 | 2712 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2713 | assert(zvrf); | |
2714 | ||
d62a17ae | 2715 | zvni->vxlan_if = NULL; |
2232a77c | 2716 | |
d62a17ae | 2717 | /* Free the neighbor hash table. */ |
2718 | hash_free(zvni->neigh_table); | |
2719 | zvni->neigh_table = NULL; | |
2232a77c | 2720 | |
d62a17ae | 2721 | /* Free the MAC hash table. */ |
2722 | hash_free(zvni->mac_table); | |
2723 | zvni->mac_table = NULL; | |
2232a77c | 2724 | |
d62a17ae | 2725 | /* Free the VNI hash entry and allocated memory. */ |
2726 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2727 | if (tmp_zvni) | |
2728 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2729 | |
d62a17ae | 2730 | return 0; |
2232a77c | 2731 | } |
2732 | ||
2733 | /* | |
2734 | * Inform BGP about local VNI addition. | |
2735 | */ | |
2853fed6 | 2736 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2737 | { |
d62a17ae | 2738 | struct zserv *client; |
2739 | struct stream *s; | |
2232a77c | 2740 | |
019a82cb | 2741 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2742 | /* BGP may not be running. */ |
2743 | if (!client) | |
2744 | return 0; | |
2232a77c | 2745 | |
1002497a | 2746 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2747 | |
7cf15b25 | 2748 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2749 | stream_putl(s, zvni->vni); |
2750 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2751 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2752 | |
d62a17ae | 2753 | /* Write packet size. */ |
2754 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2755 | |
d62a17ae | 2756 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2757 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2758 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2759 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2760 | zebra_route_string(client->proto)); |
2232a77c | 2761 | |
d62a17ae | 2762 | client->vniadd_cnt++; |
1002497a | 2763 | return zebra_server_send_message(client, s); |
2232a77c | 2764 | } |
2765 | ||
2766 | /* | |
2767 | * Inform BGP about local VNI deletion. | |
2768 | */ | |
2853fed6 | 2769 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2770 | { |
d62a17ae | 2771 | struct zserv *client; |
2772 | struct stream *s; | |
2232a77c | 2773 | |
019a82cb | 2774 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2775 | /* BGP may not be running. */ |
2776 | if (!client) | |
2777 | return 0; | |
2232a77c | 2778 | |
1002497a | 2779 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2780 | stream_reset(s); |
2232a77c | 2781 | |
7cf15b25 | 2782 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2783 | stream_putl(s, vni); |
2232a77c | 2784 | |
d62a17ae | 2785 | /* Write packet size. */ |
2786 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2787 | |
d62a17ae | 2788 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2789 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2790 | zebra_route_string(client->proto)); |
2232a77c | 2791 | |
d62a17ae | 2792 | client->vnidel_cnt++; |
1002497a | 2793 | return zebra_server_send_message(client, s); |
2232a77c | 2794 | } |
2795 | ||
2796 | /* | |
2797 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2798 | * is called when EVPN (advertise-all-vni) is enabled. | |
2799 | */ | |
2853fed6 | 2800 | static void zvni_build_hash_table() |
2232a77c | 2801 | { |
2853fed6 | 2802 | struct zebra_ns *zns; |
2803 | struct route_node *rn; | |
d62a17ae | 2804 | struct interface *ifp; |
2232a77c | 2805 | |
d62a17ae | 2806 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2807 | zns = zebra_ns_lookup(NS_DEFAULT); |
2808 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2809 | vni_t vni; |
643215ce | 2810 | zebra_vni_t *zvni = NULL; |
2811 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2812 | struct zebra_if *zif; |
2813 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2814 | |
2853fed6 | 2815 | ifp = (struct interface *)rn->info; |
2816 | if (!ifp) | |
2817 | continue; | |
d62a17ae | 2818 | zif = ifp->info; |
2819 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2820 | continue; | |
2232a77c | 2821 | |
b7cfce93 | 2822 | vxl = &zif->l2info.vxl; |
d62a17ae | 2823 | vni = vxl->vni; |
2232a77c | 2824 | |
643215ce | 2825 | /* L3-VNI and L2-VNI are handled seperately */ |
2826 | zl3vni = zl3vni_lookup(vni); | |
2827 | if (zl3vni) { | |
2232a77c | 2828 | |
b7cfce93 | 2829 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2830 | zlog_debug( |
2831 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2832 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2833 | |
b7cfce93 | 2834 | /* associate with vxlan_if */ |
b67a60d2 | 2835 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2836 | zl3vni->vxlan_if = ifp; |
2232a77c | 2837 | |
523cafc4 | 2838 | /* |
2839 | * we need to associate with SVI. | |
b7cfce93 | 2840 | * we can associate with svi-if only after association |
523cafc4 | 2841 | * with vxlan-intf is complete |
2842 | */ | |
b7cfce93 MK |
2843 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2844 | ||
2845 | if (is_l3vni_oper_up(zl3vni)) | |
2846 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2847 | ||
2848 | } else { | |
b7cfce93 MK |
2849 | struct interface *vlan_if = NULL; |
2850 | ||
2851 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2852 | zlog_debug( | |
2853 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2854 | ifp->name, ifp->ifindex, vni, | |
2855 | inet_ntoa(vxl->vtep_ip)); | |
2856 | ||
2857 | /* VNI hash entry is not expected to exist. */ | |
2858 | zvni = zvni_lookup(vni); | |
2859 | if (zvni) { | |
2860 | zlog_err( | |
2861 | "VNI hash already present for IF %s(%u) L2-VNI %u", | |
2862 | ifp->name, ifp->ifindex, vni); | |
2863 | continue; | |
2864 | } | |
2865 | ||
2866 | zvni = zvni_add(vni); | |
2867 | if (!zvni) { | |
2868 | zlog_err( | |
2869 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", | |
2870 | ifp->name, ifp->ifindex, vni); | |
2871 | return; | |
2872 | } | |
2873 | ||
2874 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2875 | zvni->vxlan_if = ifp; | |
2876 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2877 | zif->brslave_info.br_if); | |
2878 | if (vlan_if) { | |
2879 | zvni->vrf_id = vlan_if->vrf_id; | |
2880 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2881 | if (zl3vni) | |
2882 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2883 | } | |
2884 | ||
2885 | ||
2886 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2887 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2888 | zvni_send_add_to_client(zvni); | |
2889 | } | |
d62a17ae | 2890 | } |
2232a77c | 2891 | } |
2892 | ||
2893 | /* | |
2894 | * See if remote VTEP matches with prefix. | |
2895 | */ | |
d62a17ae | 2896 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2897 | { |
d62a17ae | 2898 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2899 | } |
2900 | ||
2901 | /* | |
2902 | * Locate remote VTEP in VNI hash table. | |
2903 | */ | |
d62a17ae | 2904 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2905 | { |
d62a17ae | 2906 | zebra_vtep_t *zvtep; |
2232a77c | 2907 | |
d62a17ae | 2908 | if (!zvni) |
2909 | return NULL; | |
2232a77c | 2910 | |
d62a17ae | 2911 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2912 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2913 | break; | |
2914 | } | |
2232a77c | 2915 | |
d62a17ae | 2916 | return zvtep; |
2232a77c | 2917 | } |
2918 | ||
2919 | /* | |
2920 | * Add remote VTEP to VNI hash table. | |
2921 | */ | |
d62a17ae | 2922 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2923 | { |
d62a17ae | 2924 | zebra_vtep_t *zvtep; |
2232a77c | 2925 | |
d62a17ae | 2926 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2927 | if (!zvtep) { | |
2928 | zlog_err("Failed to alloc VTEP entry, VNI %u", zvni->vni); | |
2929 | return NULL; | |
2930 | } | |
2232a77c | 2931 | |
d62a17ae | 2932 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2933 | |
d62a17ae | 2934 | if (zvni->vteps) |
2935 | zvni->vteps->prev = zvtep; | |
2936 | zvtep->next = zvni->vteps; | |
2937 | zvni->vteps = zvtep; | |
2232a77c | 2938 | |
d62a17ae | 2939 | return zvtep; |
2232a77c | 2940 | } |
2941 | ||
2942 | /* | |
2943 | * Remove remote VTEP from VNI hash table. | |
2944 | */ | |
d62a17ae | 2945 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2946 | { |
d62a17ae | 2947 | if (zvtep->next) |
2948 | zvtep->next->prev = zvtep->prev; | |
2949 | if (zvtep->prev) | |
2950 | zvtep->prev->next = zvtep->next; | |
2951 | else | |
2952 | zvni->vteps = zvtep->next; | |
2232a77c | 2953 | |
d62a17ae | 2954 | zvtep->prev = zvtep->next = NULL; |
2955 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2956 | |
d62a17ae | 2957 | return 0; |
2232a77c | 2958 | } |
2959 | ||
2960 | /* | |
2961 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2962 | * uninstall from kernel if asked to. | |
2963 | */ | |
d62a17ae | 2964 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2965 | { |
d62a17ae | 2966 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2967 | |
d62a17ae | 2968 | if (!zvni) |
2969 | return -1; | |
2232a77c | 2970 | |
d62a17ae | 2971 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2972 | zvtep_next = zvtep->next; | |
2973 | if (uninstall) | |
2974 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2975 | zvni_vtep_del(zvni, zvtep); | |
2976 | } | |
2232a77c | 2977 | |
d62a17ae | 2978 | return 0; |
2232a77c | 2979 | } |
2980 | ||
2981 | /* | |
2982 | * Install remote VTEP into the kernel. | |
2983 | */ | |
d62a17ae | 2984 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2985 | { |
d62a17ae | 2986 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 2987 | } |
2988 | ||
2989 | /* | |
2990 | * Uninstall remote VTEP from the kernel. | |
2991 | */ | |
d62a17ae | 2992 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2993 | { |
d62a17ae | 2994 | if (!zvni->vxlan_if) { |
2995 | zlog_err("VNI %u hash %p couldn't be uninstalled - no intf", | |
2996 | zvni->vni, zvni); | |
2997 | return -1; | |
2998 | } | |
2232a77c | 2999 | |
d62a17ae | 3000 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3001 | } |
3002 | ||
3003 | /* | |
3004 | * Cleanup VNI/VTEP and update kernel | |
3005 | */ | |
84915b0a | 3006 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3007 | { |
b7cfce93 MK |
3008 | zebra_vni_t *zvni = NULL; |
3009 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3010 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3011 | |
d62a17ae | 3012 | zvni = (zebra_vni_t *)backet->data; |
3013 | if (!zvni) | |
3014 | return; | |
2232a77c | 3015 | |
b7cfce93 | 3016 | /* remove from l3-vni list */ |
84915b0a | 3017 | if (zvrf->l3vni) |
3018 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3019 | if (zl3vni) |
3020 | listnode_delete(zl3vni->l2vnis, zvni); | |
3021 | ||
d62a17ae | 3022 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3023 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3024 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3025 | |
d62a17ae | 3026 | /* Free up all remote VTEPs, if any. */ |
3027 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3028 | |
d62a17ae | 3029 | /* Delete the hash entry. */ |
2853fed6 | 3030 | zvni_del(zvni); |
2232a77c | 3031 | } |
3032 | ||
655b04d1 | 3033 | /* cleanup L3VNI */ |
996c9314 | 3034 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3035 | { |
3036 | zebra_l3vni_t *zl3vni = NULL; | |
3037 | ||
3038 | zl3vni = (zebra_l3vni_t *)backet->data; | |
3039 | if (!zl3vni) | |
3040 | return; | |
3041 | ||
3042 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3043 | } | |
3044 | ||
996c9314 | 3045 | static int is_host_present_in_host_list(struct list *list, struct prefix *host) |
6134fd82 | 3046 | { |
3047 | struct listnode *node = NULL; | |
3048 | struct prefix *p = NULL; | |
3049 | ||
3050 | for (ALL_LIST_ELEMENTS_RO(list, node, p)) { | |
3051 | if (prefix_same(p, host)) | |
3052 | return 1; | |
3053 | } | |
3054 | return 0; | |
3055 | } | |
3056 | ||
996c9314 | 3057 | static void host_list_add_host(struct list *list, struct prefix *host) |
6134fd82 | 3058 | { |
3059 | struct prefix *p = NULL; | |
3060 | ||
3061 | p = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct prefix)); | |
3062 | memcpy(p, host, sizeof(struct prefix)); | |
3063 | ||
3064 | listnode_add_sort(list, p); | |
3065 | } | |
3066 | ||
996c9314 | 3067 | static void host_list_delete_host(struct list *list, struct prefix *host) |
6134fd82 | 3068 | { |
3069 | struct listnode *node = NULL, *nnode = NULL, *node_to_del = NULL; | |
3070 | struct prefix *p = NULL; | |
3071 | ||
3072 | for (ALL_LIST_ELEMENTS(list, node, nnode, p)) { | |
3073 | if (prefix_same(p, host)) { | |
3074 | XFREE(MTYPE_HOST_PREFIX, p); | |
3075 | node_to_del = node; | |
3076 | } | |
3077 | } | |
3078 | ||
3079 | if (node_to_del) | |
3080 | list_delete_node(list, node_to_del); | |
3081 | } | |
3082 | ||
b7cfce93 MK |
3083 | /* |
3084 | * Look up MAC hash entry. | |
3085 | */ | |
2dbad57f | 3086 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3087 | struct ethaddr *rmac) |
3088 | { | |
3089 | zebra_mac_t tmp; | |
3090 | zebra_mac_t *pmac; | |
3091 | ||
3092 | memset(&tmp, 0, sizeof(tmp)); | |
3093 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3094 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3095 | |
b7cfce93 | 3096 | return pmac; |
2dbad57f | 3097 | } |
2232a77c | 3098 | |
cec2e17d | 3099 | /* |
b7cfce93 | 3100 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3101 | */ |
2dbad57f | 3102 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3103 | { |
b7cfce93 MK |
3104 | const zebra_mac_t *tmp_rmac = p; |
3105 | zebra_mac_t *zrmac; | |
d62a17ae | 3106 | |
b7cfce93 MK |
3107 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3108 | *zrmac = *tmp_rmac; | |
d62a17ae | 3109 | |
b7cfce93 | 3110 | return ((void *)zrmac); |
2dbad57f | 3111 | } |
cd233079 | 3112 | |
b7cfce93 MK |
3113 | /* |
3114 | * Add RMAC entry to l3-vni | |
3115 | */ | |
996c9314 | 3116 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3117 | { |
3118 | zebra_mac_t tmp_rmac; | |
3119 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3120 | |
b7cfce93 MK |
3121 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3122 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3123 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3124 | assert(zrmac); | |
d62a17ae | 3125 | |
6134fd82 | 3126 | zrmac->host_list = list_new(); |
3127 | zrmac->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
b7cfce93 | 3128 | |
2dbad57f | 3129 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3130 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3131 | ||
b7cfce93 | 3132 | return zrmac; |
2dbad57f | 3133 | } |
cec2e17d | 3134 | |
3135 | /* | |
b7cfce93 | 3136 | * Delete MAC entry. |
cec2e17d | 3137 | */ |
996c9314 | 3138 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3139 | { |
b7cfce93 | 3140 | zebra_mac_t *tmp_rmac; |
cd233079 | 3141 | |
55aabf6f | 3142 | if (zrmac->host_list) |
bb7a24ab | 3143 | list_delete_and_null(&zrmac->host_list); |
55aabf6f | 3144 | zrmac->host_list = NULL; |
cd233079 | 3145 | |
b7cfce93 MK |
3146 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3147 | if (tmp_rmac) | |
3148 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3149 | |
b7cfce93 | 3150 | return 0; |
2dbad57f | 3151 | } |
cec2e17d | 3152 | |
3153 | /* | |
b7cfce93 | 3154 | * Install remote RMAC into the kernel. |
cec2e17d | 3155 | */ |
996c9314 | 3156 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3157 | { |
b7cfce93 MK |
3158 | struct zebra_if *zif = NULL; |
3159 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3160 | |
996c9314 LB |
3161 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3162 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3163 | return 0; |
3164 | ||
3165 | zif = zl3vni->vxlan_if->info; | |
3166 | if (!zif) | |
3167 | return -1; | |
3168 | ||
3169 | vxl = &zif->l2info.vxl; | |
3170 | ||
3171 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3172 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3173 | } |
b7cfce93 MK |
3174 | |
3175 | /* | |
3176 | * Uninstall remote RMAC from the kernel. | |
3177 | */ | |
996c9314 | 3178 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3179 | { |
3180 | char buf[ETHER_ADDR_STRLEN]; | |
3181 | struct zebra_if *zif = NULL; | |
3182 | struct zebra_l2info_vxlan *vxl = NULL; | |
3183 | ||
996c9314 LB |
3184 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3185 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3186 | return 0; |
3187 | ||
3188 | if (!zl3vni->vxlan_if) { | |
523cafc4 | 3189 | zlog_err( |
996c9314 LB |
3190 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3191 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3192 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3193 | return -1; |
3194 | } | |
3195 | ||
3196 | zif = zl3vni->vxlan_if->info; | |
3197 | if (!zif) | |
3198 | return -1; | |
3199 | ||
3200 | vxl = &zif->l2info.vxl; | |
3201 | ||
3202 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3203 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3204 | } |
3205 | ||
3206 | /* handle rmac add */ | |
996c9314 | 3207 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3208 | struct ipaddr *vtep_ip, |
3209 | struct prefix *host_prefix) | |
2dbad57f | 3210 | { |
3211 | char buf[ETHER_ADDR_STRLEN]; | |
3212 | char buf1[INET6_ADDRSTRLEN]; | |
3213 | zebra_mac_t *zrmac = NULL; | |
3214 | ||
3215 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3216 | if (!zrmac) { | |
3217 | ||
3218 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3219 | if (!zrmac) { | |
3220 | zlog_warn( | |
3221 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
996c9314 LB |
3222 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3223 | zl3vni->vni, | |
3224 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3225 | return -1; |
3226 | } | |
3227 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3228 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3229 | ||
3230 | /* install rmac in kernel */ | |
3231 | zl3vni_rmac_install(zl3vni, zrmac); | |
3232 | } | |
6134fd82 | 3233 | |
3234 | if (!is_host_present_in_host_list(zrmac->host_list, host_prefix)) | |
3235 | host_list_add_host(zrmac->host_list, host_prefix); | |
2dbad57f | 3236 | return 0; |
3237 | } | |
3238 | ||
3239 | ||
3240 | /* handle rmac delete */ | |
996c9314 | 3241 | static int zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3242 | struct prefix *host_prefix) |
2dbad57f | 3243 | { |
3244 | zebra_mac_t *zrmac = NULL; | |
3245 | ||
3246 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3247 | if (!zrmac) | |
3248 | return -1; | |
3249 | ||
6134fd82 | 3250 | host_list_delete_host(zrmac->host_list, host_prefix); |
3251 | if (list_isempty(zrmac->host_list)) { | |
2dbad57f | 3252 | |
3253 | /* uninstall from kernel */ | |
3254 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3255 | ||
3256 | /* del the rmac entry */ | |
3257 | zl3vni_rmac_del(zl3vni, zrmac); | |
3258 | } | |
3259 | return 0; | |
3260 | } | |
b7cfce93 MK |
3261 | |
3262 | /* | |
3263 | * Look up nh hash entry on a l3-vni. | |
3264 | */ | |
996c9314 | 3265 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3266 | { |
3267 | zebra_neigh_t tmp; | |
3268 | zebra_neigh_t *n; | |
3269 | ||
3270 | memset(&tmp, 0, sizeof(tmp)); | |
3271 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3272 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3273 | ||
3274 | return n; | |
2dbad57f | 3275 | } |
b7cfce93 MK |
3276 | |
3277 | ||
3278 | /* | |
3279 | * Callback to allocate NH hash entry on L3-VNI. | |
3280 | */ | |
2dbad57f | 3281 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3282 | { |
3283 | const zebra_neigh_t *tmp_n = p; | |
3284 | zebra_neigh_t *n; | |
3285 | ||
3286 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3287 | *n = *tmp_n; | |
3288 | ||
3289 | return ((void *)n); | |
2dbad57f | 3290 | } |
b7cfce93 MK |
3291 | |
3292 | /* | |
3293 | * Add neighbor entry. | |
3294 | */ | |
996c9314 | 3295 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3296 | struct ethaddr *mac) |
3297 | { | |
3298 | zebra_neigh_t tmp_n; | |
3299 | zebra_neigh_t *n = NULL; | |
3300 | ||
3301 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3302 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3303 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3304 | assert(n); | |
3305 | ||
6134fd82 | 3306 | n->host_list = list_new(); |
3307 | n->host_list->cmp = (int (*)(void *, void *))prefix_cmp; | |
3308 | ||
b7cfce93 | 3309 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3310 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3311 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3312 | |
3313 | return n; | |
2dbad57f | 3314 | } |
b7cfce93 MK |
3315 | |
3316 | /* | |
3317 | * Delete neighbor entry. | |
3318 | */ | |
996c9314 | 3319 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3320 | { |
3321 | zebra_neigh_t *tmp_n; | |
3322 | ||
55aabf6f | 3323 | if (n->host_list) |
bb7a24ab | 3324 | list_delete_and_null(&n->host_list); |
55aabf6f MK |
3325 | n->host_list = NULL; |
3326 | ||
b7cfce93 MK |
3327 | tmp_n = hash_release(zl3vni->nh_table, n); |
3328 | if (tmp_n) | |
3329 | XFREE(MTYPE_NEIGH, tmp_n); | |
3330 | ||
3331 | return 0; | |
2dbad57f | 3332 | } |
b7cfce93 MK |
3333 | |
3334 | /* | |
3335 | * Install remote nh as neigh into the kernel. | |
3336 | */ | |
996c9314 | 3337 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3338 | { |
3339 | if (!is_l3vni_oper_up(zl3vni)) | |
3340 | return -1; | |
3341 | ||
996c9314 LB |
3342 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3343 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3344 | return 0; |
3345 | ||
3346 | return kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac); | |
2dbad57f | 3347 | } |
b7cfce93 MK |
3348 | |
3349 | /* | |
3350 | * Uninstall remote nh from the kernel. | |
3351 | */ | |
996c9314 | 3352 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3353 | { |
996c9314 LB |
3354 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3355 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3356 | return 0; |
3357 | ||
fa409e1e | 3358 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3359 | return 0; | |
3360 | ||
b7cfce93 | 3361 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3362 | } |
3363 | ||
3364 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3365 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3366 | struct ethaddr *rmac, |
3367 | struct prefix *host_prefix) | |
2dbad57f | 3368 | { |
3369 | char buf[ETHER_ADDR_STRLEN]; | |
3370 | char buf1[INET6_ADDRSTRLEN]; | |
3371 | zebra_neigh_t *nh = NULL; | |
3372 | ||
3373 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3374 | if (!nh) { | |
3375 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3376 | if (!nh) { | |
3377 | ||
3378 | zlog_warn( | |
3379 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
996c9314 LB |
3380 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3381 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3382 | zl3vni->vni); |
3383 | return -1; | |
3384 | } | |
3385 | ||
3386 | /* install the nh neigh in kernel */ | |
3387 | zl3vni_nh_install(zl3vni, nh); | |
3388 | } | |
6134fd82 | 3389 | |
3390 | if (!is_host_present_in_host_list(nh->host_list, host_prefix)) | |
3391 | host_list_add_host(nh->host_list, host_prefix); | |
3392 | ||
2dbad57f | 3393 | return 0; |
3394 | } | |
3395 | ||
3396 | /* handle nh neigh delete */ | |
996c9314 | 3397 | static int zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3398 | struct prefix *host_prefix) |
2dbad57f | 3399 | { |
3400 | zebra_neigh_t *nh = NULL; | |
3401 | ||
3402 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3403 | if (!nh) | |
3404 | return -1; | |
3405 | ||
6134fd82 | 3406 | host_list_delete_host(nh->host_list, host_prefix); |
3407 | if (list_isempty(nh->host_list)) { | |
2dbad57f | 3408 | |
3409 | /* uninstall from kernel */ | |
3410 | zl3vni_nh_uninstall(zl3vni, nh); | |
3411 | ||
3412 | /* delete the nh entry */ | |
3413 | zl3vni_nh_del(zl3vni, nh); | |
3414 | } | |
3415 | ||
3416 | return 0; | |
3417 | } | |
b7cfce93 | 3418 | |
3bcbba10 | 3419 | /* handle neigh update from kernel - the only thing of interest is to |
3420 | * readd stale entries. | |
3421 | */ | |
996c9314 | 3422 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3423 | uint16_t state) |
3bcbba10 | 3424 | { |
c05a738b | 3425 | #ifdef GNU_LINUX |
3bcbba10 | 3426 | zebra_neigh_t *n = NULL; |
3427 | ||
3428 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3429 | if (!n) | |
3430 | return 0; | |
3431 | ||
3432 | /* all next hop neigh are remote and installed by frr. | |
3433 | * If the kernel has aged this entry, re-install. | |
3434 | */ | |
3435 | if (state & NUD_STALE) | |
3436 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3437 | #endif |
3bcbba10 | 3438 | return 0; |
3439 | } | |
3440 | ||
8c9b80b9 | 3441 | /* handle neigh delete from kernel */ |
996c9314 | 3442 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3443 | { |
3444 | zebra_neigh_t *n = NULL; | |
3445 | ||
3446 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3447 | if (!n) | |
3448 | return 0; | |
3449 | ||
3450 | /* all next hop neigh are remote and installed by frr. | |
3451 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3452 | * install it back |
3453 | */ | |
8c9b80b9 MK |
3454 | zl3vni_nh_install(zl3vni, n); |
3455 | ||
3456 | return 0; | |
3457 | } | |
3458 | ||
b7cfce93 MK |
3459 | /* |
3460 | * Hash function for L3 VNI. | |
3461 | */ | |
3462 | static unsigned int l3vni_hash_keymake(void *p) | |
3463 | { | |
3464 | const zebra_l3vni_t *zl3vni = p; | |
3465 | ||
3466 | return jhash_1word(zl3vni->vni, 0); | |
3467 | } | |
3468 | ||
3469 | /* | |
3470 | * Compare 2 L3 VNI hash entries. | |
3471 | */ | |
3472 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3473 | { | |
3474 | const zebra_l3vni_t *zl3vni1 = p1; | |
3475 | const zebra_l3vni_t *zl3vni2 = p2; | |
3476 | ||
3477 | return (zl3vni1->vni == zl3vni2->vni); | |
3478 | } | |
3479 | ||
3480 | /* | |
3481 | * Callback to allocate L3 VNI hash entry. | |
3482 | */ | |
3483 | static void *zl3vni_alloc(void *p) | |
3484 | { | |
3485 | zebra_l3vni_t *zl3vni = NULL; | |
3486 | const zebra_l3vni_t *tmp_l3vni = p; | |
3487 | ||
3488 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3489 | zl3vni->vni = tmp_l3vni->vni; | |
3490 | return ((void *)zl3vni); | |
3491 | } | |
3492 | ||
3493 | /* | |
3494 | * Look up L3 VNI hash entry. | |
3495 | */ | |
3496 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3497 | { | |
3498 | struct zebra_ns *zns; | |
3499 | zebra_l3vni_t tmp_l3vni; | |
3500 | zebra_l3vni_t *zl3vni = NULL; | |
3501 | ||
3502 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3503 | assert(zns); | |
3504 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3505 | tmp_l3vni.vni = vni; | |
3506 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3507 | ||
3508 | return zl3vni; | |
3509 | } | |
3510 | ||
3511 | /* | |
3512 | * Add L3 VNI hash entry. | |
3513 | */ | |
3514 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3515 | { | |
3516 | zebra_l3vni_t tmp_zl3vni; | |
3517 | struct zebra_ns *zns = NULL; | |
3518 | zebra_l3vni_t *zl3vni = NULL; | |
3519 | ||
3520 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3521 | assert(zns); | |
3522 | ||
3523 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3524 | tmp_zl3vni.vni = vni; | |
3525 | ||
3526 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3527 | assert(zl3vni); | |
3528 | ||
3529 | zl3vni->vrf_id = vrf_id; | |
3530 | zl3vni->svi_if = NULL; | |
3531 | zl3vni->vxlan_if = NULL; | |
3532 | zl3vni->l2vnis = list_new(); | |
3533 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3534 | ||
3535 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3536 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3537 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3538 | |
3539 | /* Create hash table for neighbors */ | |
3540 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3541 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3542 | |
3543 | return zl3vni; | |
3544 | } | |
3545 | ||
3546 | /* | |
3547 | * Delete L3 VNI hash entry. | |
3548 | */ | |
3549 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3550 | { | |
3551 | struct zebra_ns *zns; | |
3552 | zebra_l3vni_t *tmp_zl3vni; | |
3553 | ||
3554 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3555 | assert(zns); | |
3556 | ||
3557 | /* free the list of l2vnis */ | |
3558 | list_delete_and_null(&zl3vni->l2vnis); | |
3559 | zl3vni->l2vnis = NULL; | |
3560 | ||
3561 | /* Free the rmac table */ | |
3562 | hash_free(zl3vni->rmac_table); | |
3563 | zl3vni->rmac_table = NULL; | |
3564 | ||
3565 | /* Free the nh table */ | |
3566 | hash_free(zl3vni->nh_table); | |
3567 | zl3vni->nh_table = NULL; | |
3568 | ||
3569 | /* Free the VNI hash entry and allocated memory. */ | |
3570 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3571 | if (tmp_zl3vni) | |
3572 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3573 | ||
3574 | return 0; | |
3575 | } | |
3576 | ||
b7cfce93 MK |
3577 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3578 | { | |
3579 | struct zebra_ns *zns = NULL; | |
3580 | struct route_node *rn = NULL; | |
3581 | struct interface *ifp = NULL; | |
3582 | ||
3583 | /* loop through all vxlan-interface */ | |
3584 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3585 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3586 | ||
3587 | struct zebra_if *zif = NULL; | |
3588 | struct zebra_l2info_vxlan *vxl = NULL; | |
3589 | ||
3590 | ifp = (struct interface *)rn->info; | |
3591 | if (!ifp) | |
3592 | continue; | |
3593 | ||
3594 | zif = ifp->info; | |
3595 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3596 | continue; | |
3597 | ||
3598 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3599 | if (vxl->vni == zl3vni->vni) { |
3600 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3601 | return ifp; |
b67a60d2 | 3602 | } |
b7cfce93 MK |
3603 | } |
3604 | ||
3605 | return NULL; | |
3606 | } | |
3607 | ||
3608 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3609 | { | |
996c9314 | 3610 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3611 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3612 | ||
2aeb403d | 3613 | if (!zl3vni) |
3614 | return NULL; | |
3615 | ||
b7cfce93 MK |
3616 | if (!zl3vni->vxlan_if) |
3617 | return NULL; | |
3618 | ||
3619 | zif = zl3vni->vxlan_if->info; | |
3620 | if (!zif) | |
3621 | return NULL; | |
3622 | ||
3623 | vxl = &zif->l2info.vxl; | |
3624 | ||
3625 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3626 | } | |
3627 | ||
3628 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3629 | { | |
3630 | struct zebra_vrf *zvrf = NULL; | |
3631 | ||
3632 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3633 | if (!zvrf) | |
3634 | return NULL; | |
3635 | ||
3636 | return zl3vni_lookup(zvrf->l3vni); | |
3637 | } | |
3638 | ||
3639 | /* | |
3640 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3641 | * neighbor notifications, to see if they are of interest. | |
3642 | */ | |
3643 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3644 | struct interface *br_if) | |
3645 | { | |
3646 | int found = 0; | |
3647 | vlanid_t vid = 0; | |
d7c0a89a | 3648 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3649 | zebra_l3vni_t *zl3vni = NULL; |
3650 | struct zebra_ns *zns = NULL; | |
3651 | struct route_node *rn = NULL; | |
3652 | struct zebra_if *zif = NULL; | |
3653 | struct interface *tmp_if = NULL; | |
3654 | struct zebra_l2info_bridge *br = NULL; | |
3655 | struct zebra_l2info_vxlan *vxl = NULL; | |
3656 | ||
3657 | if (!br_if) | |
3658 | return NULL; | |
3659 | ||
3660 | /* Make sure the linked interface is a bridge. */ | |
3661 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3662 | return NULL; | |
3663 | ||
3664 | /* Determine if bridge is VLAN-aware or not */ | |
3665 | zif = br_if->info; | |
3666 | assert(zif); | |
3667 | br = &zif->l2info.br; | |
3668 | bridge_vlan_aware = br->vlan_aware; | |
3669 | if (bridge_vlan_aware) { | |
3670 | struct zebra_l2info_vlan *vl; | |
3671 | ||
3672 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3673 | return NULL; | |
3674 | ||
3675 | zif = ifp->info; | |
3676 | assert(zif); | |
3677 | vl = &zif->l2info.vl; | |
3678 | vid = vl->vid; | |
3679 | } | |
3680 | ||
3681 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3682 | /* TODO: Optimize with a hash. */ | |
3683 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3684 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3685 | tmp_if = (struct interface *)rn->info; | |
3686 | if (!tmp_if) | |
3687 | continue; | |
3688 | zif = tmp_if->info; | |
3689 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3690 | continue; | |
3691 | if (!if_is_operative(tmp_if)) | |
3692 | continue; | |
3693 | vxl = &zif->l2info.vxl; | |
3694 | ||
3695 | if (zif->brslave_info.br_if != br_if) | |
3696 | continue; | |
3697 | ||
3698 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3699 | found = 1; | |
3700 | break; | |
3701 | } | |
3702 | } | |
3703 | ||
3704 | if (!found) | |
3705 | return NULL; | |
3706 | ||
3707 | zl3vni = zl3vni_lookup(vxl->vni); | |
3708 | return zl3vni; | |
3709 | } | |
3710 | ||
3711 | /* | |
3712 | * Inform BGP about l3-vni. | |
3713 | */ | |
3714 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3715 | { | |
3716 | struct stream *s = NULL; | |
3717 | struct zserv *client = NULL; | |
3718 | struct ethaddr rmac; | |
3719 | char buf[ETHER_ADDR_STRLEN]; | |
3720 | ||
6f3a2003 | 3721 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3722 | /* BGP may not be running. */ |
3723 | if (!client) | |
3724 | return 0; | |
3725 | ||
3726 | /* get the rmac */ | |
3727 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3728 | zl3vni_get_rmac(zl3vni, &rmac); | |
3729 | ||
1002497a | 3730 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3731 | |
996c9314 | 3732 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3733 | stream_putl(s, zl3vni->vni); |
3734 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3735 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3736 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3737 | |
3738 | /* Write packet size. */ | |
3739 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3740 | ||
3741 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3742 | zlog_debug( |
996c9314 LB |
3743 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3744 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3745 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3746 | inet_ntoa(zl3vni->local_vtep_ip), | |
3747 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3748 | ? "prefix-routes-only" | |
3749 | : "none", | |
3750 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3751 | |
3752 | client->l3vniadd_cnt++; | |
1002497a | 3753 | return zebra_server_send_message(client, s); |
b7cfce93 MK |
3754 | } |
3755 | ||
3756 | /* | |
3757 | * Inform BGP about local l3-VNI deletion. | |
3758 | */ | |
3759 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3760 | { | |
3761 | struct stream *s = NULL; | |
3762 | struct zserv *client = NULL; | |
3763 | ||
6f3a2003 | 3764 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3765 | /* BGP may not be running. */ |
3766 | if (!client) | |
3767 | return 0; | |
3768 | ||
1002497a | 3769 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3770 | |
996c9314 | 3771 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3772 | stream_putl(s, zl3vni->vni); |
3773 | ||
3774 | /* Write packet size. */ | |
3775 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3776 | ||
3777 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3778 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3779 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3780 | zebra_route_string(client->proto)); | |
3781 | ||
3782 | client->l3vnidel_cnt++; | |
1002497a | 3783 | return zebra_server_send_message(client, s); |
b7cfce93 MK |
3784 | } |
3785 | ||
3786 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3787 | { | |
2aeb403d | 3788 | if (!zl3vni) |
3789 | return; | |
3790 | ||
b7cfce93 MK |
3791 | /* send l3vni add to BGP */ |
3792 | zl3vni_send_add_to_client(zl3vni); | |
3793 | } | |
3794 | ||
3795 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3796 | { | |
2aeb403d | 3797 | if (!zl3vni) |
3798 | return; | |
3799 | ||
b7cfce93 MK |
3800 | /* send l3-vni del to BGP*/ |
3801 | zl3vni_send_del_to_client(zl3vni); | |
3802 | } | |
3803 | ||
996c9314 | 3804 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3805 | { |
996c9314 LB |
3806 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3807 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3808 | |
3809 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3810 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3811 | } | |
3812 | ||
b7cfce93 MK |
3813 | /* |
3814 | * handle transition of vni from l2 to l3 and vice versa | |
3815 | */ | |
996c9314 LB |
3816 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3817 | int add) | |
b7cfce93 MK |
3818 | { |
3819 | zebra_vni_t *zvni = NULL; | |
3820 | ||
3821 | /* There is a possibility that VNI notification was already received | |
3822 | * from kernel and we programmed it as L2-VNI | |
3823 | * In such a case we need to delete this L2-VNI first, so | |
3824 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3825 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3826 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3827 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3828 | */ | |
b7cfce93 MK |
3829 | if (add) { |
3830 | /* Locate hash entry */ | |
3831 | zvni = zvni_lookup(vni); | |
3832 | if (!zvni) | |
3833 | return 0; | |
3834 | ||
3835 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3836 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3837 | |
3838 | /* Delete VNI from BGP. */ | |
3839 | zvni_send_del_to_client(zvni->vni); | |
3840 | ||
3841 | /* Free up all neighbors and MAC, if any. */ | |
3842 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3843 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3844 | ||
3845 | /* Free up all remote VTEPs, if any. */ | |
3846 | zvni_vtep_del_all(zvni, 0); | |
3847 | ||
3848 | /* Delete the hash entry. */ | |
3849 | if (zvni_del(zvni)) { | |
996c9314 LB |
3850 | zlog_err("Failed to del VNI hash %p, VNI %u", zvni, |
3851 | zvni->vni); | |
b7cfce93 MK |
3852 | return -1; |
3853 | } | |
3854 | } else { | |
3855 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3856 | * enough information at this point to reprogram the vni as | |
3857 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3858 | * used it solely for this purpose |
3859 | */ | |
b7cfce93 MK |
3860 | } |
3861 | ||
3862 | return 0; | |
3863 | } | |
3864 | ||
5e06422c | 3865 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3866 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3867 | { |
3868 | zebra_mac_t *zrmac = NULL; | |
3869 | zebra_l3vni_t *zl3vni = NULL; | |
3870 | ||
3871 | zrmac = (zebra_mac_t *)backet->data; | |
3872 | zl3vni = (zebra_l3vni_t *)ctx; | |
3873 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3874 | zl3vni_rmac_del(zl3vni, zrmac); | |
3875 | } | |
3876 | ||
3877 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3878 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3879 | { |
3880 | zebra_neigh_t *n = NULL; | |
3881 | zebra_l3vni_t *zl3vni = NULL; | |
3882 | ||
3883 | n = (zebra_neigh_t *)backet->data; | |
3884 | zl3vni = (zebra_l3vni_t *)ctx; | |
3885 | zl3vni_nh_uninstall(zl3vni, n); | |
3886 | zl3vni_nh_del(zl3vni, n); | |
3887 | } | |
3888 | ||
996c9314 LB |
3889 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3890 | uint16_t cmd) | |
31310b25 MK |
3891 | { |
3892 | struct zserv *client = NULL; | |
3893 | struct stream *s = NULL; | |
3894 | char buf[PREFIX_STRLEN]; | |
3895 | ||
317f1fe0 | 3896 | client = zebra_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3897 | /* BGP may not be running. */ |
3898 | if (!client) | |
3899 | return 0; | |
3900 | ||
1002497a | 3901 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 3902 | |
22bd3e94 | 3903 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3904 | stream_put(s, p, sizeof(struct prefix)); |
3905 | ||
3906 | /* Write packet size. */ | |
3907 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3908 | ||
3909 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3910 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
3911 | prefix2str(p, buf, sizeof(buf)), |
3912 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
3913 | vrf_id_to_name(vrf_id)); | |
3914 | ||
3915 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
3916 | client->prefixadd_cnt++; | |
3917 | else | |
3918 | client->prefixdel_cnt++; | |
3919 | ||
1002497a | 3920 | return zebra_server_send_message(client, s); |
31310b25 MK |
3921 | } |
3922 | ||
a9a76262 MK |
3923 | /* re-add remote rmac if needed */ |
3924 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 3925 | struct ethaddr *rmac) |
a9a76262 MK |
3926 | { |
3927 | char buf[ETHER_ADDR_STRLEN]; | |
3928 | zebra_mac_t *zrmac = NULL; | |
3929 | ||
3930 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3931 | if (!zrmac) | |
3932 | return 0; | |
3933 | ||
3934 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3935 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 3936 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
3937 | |
3938 | zl3vni_rmac_install(zl3vni, zrmac); | |
3939 | return 0; | |
3940 | } | |
3941 | ||
b7cfce93 MK |
3942 | /* Public functions */ |
3943 | ||
c48d9f5f MK |
3944 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
3945 | { | |
3946 | zebra_l3vni_t *zl3vni = NULL; | |
3947 | ||
3948 | zl3vni = zl3vni_lookup(vni); | |
3949 | if (!zl3vni) | |
3950 | return 0; | |
3951 | ||
3952 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
3953 | } | |
3954 | ||
2dbad57f | 3955 | /* handle evpn route in vrf table */ |
996c9314 LB |
3956 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
3957 | struct ipaddr *vtep_ip, | |
3958 | struct prefix *host_prefix) | |
2dbad57f | 3959 | { |
3960 | zebra_l3vni_t *zl3vni = NULL; | |
3961 | ||
3962 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3963 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3964 | return; | |
3965 | ||
3966 | /* add the next hop neighbor */ | |
6134fd82 | 3967 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 3968 | |
3969 | /* add the rmac */ | |
6134fd82 | 3970 | zl3vni_remote_rmac_add(zl3vni, rmac, vtep_ip, host_prefix); |
2dbad57f | 3971 | } |
3972 | ||
3973 | /* handle evpn vrf route delete */ | |
996c9314 LB |
3974 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, struct ethaddr *rmac, |
3975 | struct ipaddr *vtep_ip, | |
3976 | struct prefix *host_prefix) | |
2dbad57f | 3977 | { |
3978 | zebra_l3vni_t *zl3vni = NULL; | |
3979 | ||
3980 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 3981 | if (!zl3vni) |
2dbad57f | 3982 | return; |
3983 | ||
3984 | /* delete the next hop entry */ | |
6134fd82 | 3985 | zl3vni_remote_nh_del(zl3vni, vtep_ip, host_prefix); |
2dbad57f | 3986 | |
3987 | /* delete the rmac entry */ | |
6134fd82 | 3988 | zl3vni_remote_rmac_del(zl3vni, rmac, host_prefix); |
2dbad57f | 3989 | } |
3990 | ||
996c9314 | 3991 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
316f4ca4 | 3992 | struct ethaddr *rmac, |
d7c0a89a | 3993 | uint8_t use_json) |
9aa741ea MK |
3994 | { |
3995 | zebra_l3vni_t *zl3vni = NULL; | |
3996 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 3997 | json_object *json = NULL; |
9aa741ea | 3998 | |
316f4ca4 MK |
3999 | if (!is_evpn_enabled()) { |
4000 | if (use_json) | |
4001 | vty_out(vty, "{}\n"); | |
9aa741ea | 4002 | return; |
316f4ca4 MK |
4003 | } |
4004 | ||
4005 | if (use_json) | |
4006 | json = json_object_new_object(); | |
9aa741ea MK |
4007 | |
4008 | zl3vni = zl3vni_lookup(l3vni); | |
4009 | if (!zl3vni) { | |
316f4ca4 MK |
4010 | if (use_json) |
4011 | vty_out(vty, "{}\n"); | |
4012 | else | |
996c9314 | 4013 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4014 | return; |
4015 | } | |
4016 | ||
4017 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4018 | if (!zrmac) { | |
316f4ca4 MK |
4019 | if (use_json) |
4020 | vty_out(vty, "{}\n"); | |
4021 | else | |
4022 | vty_out(vty, | |
4023 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4024 | l3vni); | |
9aa741ea MK |
4025 | return; |
4026 | } | |
4027 | ||
316f4ca4 MK |
4028 | zl3vni_print_rmac(zrmac, vty, json); |
4029 | ||
4030 | if (use_json) { | |
4031 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4032 | json, JSON_C_TO_STRING_PRETTY)); | |
4033 | json_object_free(json); | |
4034 | } | |
9aa741ea | 4035 | } |
2dbad57f | 4036 | |
996c9314 | 4037 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4038 | uint8_t use_json) |
b7cfce93 MK |
4039 | { |
4040 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4041 | uint32_t num_rmacs; |
b7cfce93 MK |
4042 | struct rmac_walk_ctx wctx; |
4043 | json_object *json = NULL; | |
b7cfce93 MK |
4044 | |
4045 | if (!is_evpn_enabled()) | |
4046 | return; | |
4047 | ||
4048 | zl3vni = zl3vni_lookup(l3vni); | |
4049 | if (!zl3vni) { | |
4050 | if (use_json) | |
4051 | vty_out(vty, "{}\n"); | |
4052 | else | |
4053 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4054 | return; | |
4055 | } | |
4056 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4057 | if (!num_rmacs) | |
4058 | return; | |
4059 | ||
75223c9e | 4060 | if (use_json) |
b7cfce93 | 4061 | json = json_object_new_object(); |
b7cfce93 MK |
4062 | |
4063 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4064 | wctx.vty = vty; | |
75223c9e | 4065 | wctx.json = json; |
b7cfce93 | 4066 | if (!use_json) { |
996c9314 | 4067 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4068 | num_rmacs); |
4cce389e | 4069 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4070 | } else |
4071 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4072 | ||
4073 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4074 | ||
4075 | if (use_json) { | |
b7cfce93 MK |
4076 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4077 | json, JSON_C_TO_STRING_PRETTY)); | |
4078 | json_object_free(json); | |
4079 | } | |
4080 | } | |
4081 | ||
d7c0a89a | 4082 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 MK |
4083 | { |
4084 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4085 | json_object *json = NULL; |
c0b4eaa4 | 4086 | void *args[2]; |
b7cfce93 MK |
4087 | |
4088 | if (!is_evpn_enabled()) { | |
4089 | if (use_json) | |
4090 | vty_out(vty, "{}\n"); | |
4091 | return; | |
4092 | } | |
4093 | ||
4094 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4095 | if (!zns) { |
4096 | if (use_json) | |
4097 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4098 | return; |
c0b4eaa4 | 4099 | } |
b7cfce93 MK |
4100 | |
4101 | if (use_json) | |
4102 | json = json_object_new_object(); | |
4103 | ||
c0b4eaa4 MK |
4104 | args[0] = vty; |
4105 | args[1] = json; | |
4106 | hash_iterate(zns->l3vni_table, | |
4107 | (void (*)(struct hash_backet *, | |
4108 | void *))zl3vni_print_rmac_hash_all_vni, | |
4109 | args); | |
b7cfce93 MK |
4110 | |
4111 | if (use_json) { | |
4112 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4113 | json, JSON_C_TO_STRING_PRETTY)); | |
4114 | json_object_free(json); | |
4115 | } | |
4116 | } | |
4117 | ||
996c9314 | 4118 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4119 | struct ipaddr *ip, uint8_t use_json) |
9aa741ea MK |
4120 | { |
4121 | zebra_l3vni_t *zl3vni = NULL; | |
4122 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4123 | json_object *json = NULL; |
9aa741ea | 4124 | |
c0e519d3 MK |
4125 | if (!is_evpn_enabled()) { |
4126 | if (use_json) | |
4127 | vty_out(vty, "{}\n"); | |
9aa741ea | 4128 | return; |
c0e519d3 MK |
4129 | } |
4130 | ||
4131 | if (use_json) | |
4132 | json = json_object_new_object(); | |
9aa741ea MK |
4133 | |
4134 | zl3vni = zl3vni_lookup(l3vni); | |
4135 | if (!zl3vni) { | |
c0e519d3 MK |
4136 | if (use_json) |
4137 | vty_out(vty, "{}\n"); | |
4138 | else | |
4139 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4140 | return; |
4141 | } | |
4142 | ||
4143 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4144 | if (!n) { | |
c0e519d3 MK |
4145 | if (use_json) |
4146 | vty_out(vty, "{}\n"); | |
4147 | else | |
4148 | vty_out(vty, | |
4149 | "%% Requested next-hop not present for L3-VNI %u", | |
4150 | l3vni); | |
9aa741ea MK |
4151 | return; |
4152 | } | |
4153 | ||
c0e519d3 MK |
4154 | zl3vni_print_nh(n, vty, json); |
4155 | ||
4156 | if (use_json) { | |
4157 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4158 | json, JSON_C_TO_STRING_PRETTY)); | |
4159 | json_object_free(json); | |
4160 | } | |
9aa741ea MK |
4161 | } |
4162 | ||
d7c0a89a | 4163 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, uint8_t use_json) |
b7cfce93 | 4164 | { |
d7c0a89a | 4165 | uint32_t num_nh; |
2dbad57f | 4166 | struct nh_walk_ctx wctx; |
b7cfce93 | 4167 | json_object *json = NULL; |
b7cfce93 MK |
4168 | zebra_l3vni_t *zl3vni = NULL; |
4169 | ||
4170 | if (!is_evpn_enabled()) | |
4171 | return; | |
4172 | ||
4173 | zl3vni = zl3vni_lookup(l3vni); | |
4174 | if (!zl3vni) { | |
4175 | if (use_json) | |
4176 | vty_out(vty, "{}\n"); | |
4177 | else | |
4178 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4179 | return; | |
4180 | } | |
4181 | ||
4182 | num_nh = hashcount(zl3vni->nh_table); | |
4183 | if (!num_nh) | |
4184 | return; | |
4185 | ||
9187f600 | 4186 | if (use_json) |
b7cfce93 | 4187 | json = json_object_new_object(); |
b7cfce93 | 4188 | |
2dbad57f | 4189 | wctx.vty = vty; |
9187f600 | 4190 | wctx.json = json; |
b7cfce93 | 4191 | if (!use_json) { |
996c9314 | 4192 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4193 | num_nh); |
4cce389e | 4194 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4195 | } else |
4cce389e | 4196 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4197 | |
4198 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4199 | ||
4200 | if (use_json) { | |
b7cfce93 MK |
4201 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4202 | json, JSON_C_TO_STRING_PRETTY)); | |
4203 | json_object_free(json); | |
4204 | } | |
4205 | } | |
4206 | ||
d7c0a89a | 4207 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 | 4208 | { |
2dbad57f | 4209 | struct zebra_ns *zns = NULL; |
2dbad57f | 4210 | json_object *json = NULL; |
32798965 | 4211 | void *args[2]; |
2dbad57f | 4212 | |
4213 | if (!is_evpn_enabled()) { | |
4214 | if (use_json) | |
4215 | vty_out(vty, "{}\n"); | |
4216 | return; | |
4217 | } | |
4218 | ||
4219 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4220 | if (!zns) | |
4221 | return; | |
4222 | ||
4223 | if (use_json) | |
4224 | json = json_object_new_object(); | |
4225 | ||
32798965 MK |
4226 | args[0] = vty; |
4227 | args[1] = json; | |
4228 | hash_iterate(zns->l3vni_table, | |
4229 | (void (*)(struct hash_backet *, | |
4230 | void *))zl3vni_print_nh_hash_all_vni, | |
4231 | args); | |
2dbad57f | 4232 | |
4233 | if (use_json) { | |
4234 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4235 | json, JSON_C_TO_STRING_PRETTY)); | |
4236 | json_object_free(json); | |
4237 | } | |
b7cfce93 MK |
4238 | return; |
4239 | } | |
4240 | ||
4241 | /* | |
4242 | * Display L3 VNI information (VTY command handler). | |
4243 | */ | |
d7c0a89a | 4244 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4245 | { |
4246 | void *args[2]; | |
4247 | json_object *json = NULL; | |
4248 | zebra_l3vni_t *zl3vni = NULL; | |
4249 | ||
b2ee5a13 MK |
4250 | if (!is_evpn_enabled()) { |
4251 | if (use_json) | |
4252 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4253 | return; |
b2ee5a13 | 4254 | } |
b7cfce93 MK |
4255 | |
4256 | zl3vni = zl3vni_lookup(vni); | |
4257 | if (!zl3vni) { | |
4258 | if (use_json) | |
4259 | vty_out(vty, "{}\n"); | |
4260 | else | |
4261 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4262 | return; | |
4263 | } | |
4264 | ||
4265 | if (use_json) | |
4266 | json = json_object_new_object(); | |
4267 | ||
b2ee5a13 MK |
4268 | args[0] = vty; |
4269 | args[1] = json; | |
b7cfce93 MK |
4270 | zl3vni_print(zl3vni, (void *)args); |
4271 | ||
4272 | if (use_json) { | |
4273 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4274 | json, JSON_C_TO_STRING_PRETTY)); | |
4275 | json_object_free(json); | |
4276 | } | |
4277 | } | |
4278 | ||
4cce389e MK |
4279 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4280 | json_object *json_vrfs) | |
b7cfce93 | 4281 | { |
4cce389e MK |
4282 | char buf[ETHER_ADDR_STRLEN]; |
4283 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4284 | |
4cce389e MK |
4285 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4286 | if (!zl3vni) | |
b7cfce93 | 4287 | return; |
b7cfce93 | 4288 | |
4cce389e MK |
4289 | if (!json_vrfs) { |
4290 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4291 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4292 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4293 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4294 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4295 | } else { |
4cce389e MK |
4296 | json_object *json_vrf = NULL; |
4297 | json_vrf = json_object_new_object(); | |
996c9314 | 4298 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4299 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4300 | json_object_string_add(json_vrf, "vxlanIntf", | |
4301 | zl3vni_vxlan_if_name(zl3vni)); | |
4302 | json_object_string_add(json_vrf, "sviIntf", | |
4303 | zl3vni_svi_if_name(zl3vni)); | |
4304 | json_object_string_add(json_vrf, "state", | |
4305 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4306 | json_object_string_add( |
4307 | json_vrf, "routerMac", | |
4308 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4309 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4310 | } |
4311 | } | |
4312 | ||
4313 | /* | |
4314 | * Display Neighbors for a VNI (VTY command handler). | |
4315 | */ | |
4316 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4317 | vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4318 | { |
4319 | zebra_vni_t *zvni; | |
d7c0a89a | 4320 | uint32_t num_neigh; |
b7cfce93 MK |
4321 | struct neigh_walk_ctx wctx; |
4322 | json_object *json = NULL; | |
4323 | ||
4324 | if (!is_evpn_enabled()) | |
4325 | return; | |
4326 | zvni = zvni_lookup(vni); | |
4327 | if (!zvni) { | |
4328 | if (use_json) | |
4329 | vty_out(vty, "{}\n"); | |
4330 | else | |
4331 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4332 | return; | |
4333 | } | |
4334 | num_neigh = hashcount(zvni->neigh_table); | |
4335 | if (!num_neigh) | |
4336 | return; | |
4337 | ||
4338 | if (use_json) | |
4339 | json = json_object_new_object(); | |
4340 | ||
4341 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4342 | * size, we try to be a bit more elegant in display by first computing | |
4343 | * the maximum width. | |
4344 | */ | |
4345 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4346 | wctx.zvni = zvni; | |
4347 | wctx.vty = vty; | |
4348 | wctx.addr_width = 15; | |
4349 | wctx.json = json; | |
4350 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4351 | ||
4352 | if (!use_json) { | |
4353 | vty_out(vty, | |
4354 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4355 | num_neigh); | |
4356 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4357 | "Type", "MAC", "Remote VTEP"); | |
4358 | } else | |
4359 | json_object_int_add(json, "numArpNd", num_neigh); | |
4360 | ||
4361 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4362 | if (use_json) { | |
4363 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4364 | json, JSON_C_TO_STRING_PRETTY)); | |
4365 | json_object_free(json); | |
4366 | } | |
4367 | } | |
4368 | ||
4369 | /* | |
4370 | * Display neighbors across all VNIs (VTY command handler). | |
4371 | */ | |
4372 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4373 | uint8_t use_json) |
b7cfce93 MK |
4374 | { |
4375 | json_object *json = NULL; | |
4376 | void *args[2]; | |
4377 | ||
4378 | if (!is_evpn_enabled()) | |
4379 | return; | |
4380 | ||
4381 | if (use_json) | |
4382 | json = json_object_new_object(); | |
4383 | ||
4384 | args[0] = vty; | |
4385 | args[1] = json; | |
4386 | hash_iterate(zvrf->vni_table, | |
4387 | (void (*)(struct hash_backet *, | |
4388 | void *))zvni_print_neigh_hash_all_vni, | |
4389 | args); | |
4390 | if (use_json) { | |
4391 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4392 | json, JSON_C_TO_STRING_PRETTY)); | |
4393 | json_object_free(json); | |
4394 | } | |
4395 | } | |
4396 | ||
4397 | /* | |
4398 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4399 | */ | |
4400 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4401 | struct zebra_vrf *zvrf, vni_t vni, | |
d7c0a89a | 4402 | struct ipaddr *ip, uint8_t use_json) |
b7cfce93 MK |
4403 | { |
4404 | zebra_vni_t *zvni; | |
4405 | zebra_neigh_t *n; | |
4406 | json_object *json = NULL; | |
4407 | ||
4408 | if (!is_evpn_enabled()) | |
4409 | return; | |
4410 | zvni = zvni_lookup(vni); | |
4411 | if (!zvni) { | |
4412 | if (use_json) | |
cd233079 CS |
4413 | vty_out(vty, "{}\n"); |
4414 | else | |
4415 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4416 | return; |
4417 | } | |
4418 | n = zvni_neigh_lookup(zvni, ip); | |
4419 | if (!n) { | |
cd233079 CS |
4420 | if (!use_json) |
4421 | vty_out(vty, | |
4422 | "%% Requested neighbor does not exist in VNI %u\n", | |
4423 | vni); | |
d62a17ae | 4424 | return; |
4425 | } | |
cd233079 CS |
4426 | if (use_json) |
4427 | json = json_object_new_object(); | |
4428 | ||
4429 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4430 | |
cd233079 CS |
4431 | if (use_json) { |
4432 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4433 | json, JSON_C_TO_STRING_PRETTY)); | |
4434 | json_object_free(json); | |
4435 | } | |
cec2e17d | 4436 | } |
4437 | ||
4438 | /* | |
4439 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4440 | * By definition, these are remote neighbors. | |
4441 | */ | |
d62a17ae | 4442 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4443 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4444 | uint8_t use_json) |
cec2e17d | 4445 | { |
d62a17ae | 4446 | zebra_vni_t *zvni; |
d7c0a89a | 4447 | uint32_t num_neigh; |
d62a17ae | 4448 | struct neigh_walk_ctx wctx; |
cd233079 | 4449 | json_object *json = NULL; |
cec2e17d | 4450 | |
2853fed6 | 4451 | if (!is_evpn_enabled()) |
d62a17ae | 4452 | return; |
2853fed6 | 4453 | zvni = zvni_lookup(vni); |
d62a17ae | 4454 | if (!zvni) { |
cd233079 CS |
4455 | if (use_json) |
4456 | vty_out(vty, "{}\n"); | |
4457 | else | |
4458 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4459 | return; |
4460 | } | |
4461 | num_neigh = hashcount(zvni->neigh_table); | |
4462 | if (!num_neigh) | |
4463 | return; | |
cec2e17d | 4464 | |
d62a17ae | 4465 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4466 | wctx.zvni = zvni; | |
4467 | wctx.vty = vty; | |
4468 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; | |
4469 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4470 | wctx.json = json; |
d62a17ae | 4471 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4472 | |
4473 | if (use_json) { | |
4474 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4475 | json, JSON_C_TO_STRING_PRETTY)); | |
4476 | json_object_free(json); | |
4477 | } | |
cec2e17d | 4478 | } |
4479 | ||
4480 | /* | |
4481 | * Display MACs for a VNI (VTY command handler). | |
4482 | */ | |
d62a17ae | 4483 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4484 | vni_t vni, uint8_t use_json) |
cec2e17d | 4485 | { |
d62a17ae | 4486 | zebra_vni_t *zvni; |
d7c0a89a | 4487 | uint32_t num_macs; |
d62a17ae | 4488 | struct mac_walk_ctx wctx; |
cd233079 CS |
4489 | json_object *json = NULL; |
4490 | json_object *json_mac = NULL; | |
cec2e17d | 4491 | |
2853fed6 | 4492 | if (!is_evpn_enabled()) |
d62a17ae | 4493 | return; |
2853fed6 | 4494 | zvni = zvni_lookup(vni); |
d62a17ae | 4495 | if (!zvni) { |
cd233079 CS |
4496 | if (use_json) |
4497 | vty_out(vty, "{}\n"); | |
4498 | else | |
4499 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4500 | return; |
4501 | } | |
790f8dc5 | 4502 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4503 | if (!num_macs) |
4504 | return; | |
cec2e17d | 4505 | |
cd233079 CS |
4506 | if (use_json) { |
4507 | json = json_object_new_object(); | |
4508 | json_mac = json_object_new_object(); | |
4509 | } | |
4510 | ||
d62a17ae | 4511 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4512 | wctx.zvni = zvni; | |
4513 | wctx.vty = vty; | |
cd233079 | 4514 | wctx.json = json_mac; |
cec2e17d | 4515 | |
cd233079 CS |
4516 | if (!use_json) { |
4517 | vty_out(vty, | |
4518 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4519 | num_macs); | |
4520 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4521 | "Intf/Remote VTEP", "VLAN"); | |
4522 | } else | |
4523 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4524 | |
d62a17ae | 4525 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4526 | |
4527 | if (use_json) { | |
4528 | json_object_object_add(json, "macs", json_mac); | |
4529 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4530 | json, JSON_C_TO_STRING_PRETTY)); | |
4531 | json_object_free(json); | |
4532 | } | |
cec2e17d | 4533 | } |
4534 | ||
4535 | /* | |
4536 | * Display MACs for all VNIs (VTY command handler). | |
4537 | */ | |
cd233079 | 4538 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4539 | uint8_t use_json) |
cec2e17d | 4540 | { |
d62a17ae | 4541 | struct mac_walk_ctx wctx; |
cd233079 | 4542 | json_object *json = NULL; |
cec2e17d | 4543 | |
2853fed6 | 4544 | if (!is_evpn_enabled()) { |
cd233079 CS |
4545 | if (use_json) |
4546 | vty_out(vty, "{}\n"); | |
d62a17ae | 4547 | return; |
cd233079 CS |
4548 | } |
4549 | if (use_json) | |
4550 | json = json_object_new_object(); | |
4551 | ||
d62a17ae | 4552 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4553 | wctx.vty = vty; | |
cd233079 | 4554 | wctx.json = json; |
d62a17ae | 4555 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4556 | |
4557 | if (use_json) { | |
4558 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4559 | json, JSON_C_TO_STRING_PRETTY)); | |
4560 | json_object_free(json); | |
4561 | } | |
cec2e17d | 4562 | } |
4563 | ||
4564 | /* | |
4565 | * Display MACs for all VNIs (VTY command handler). | |
4566 | */ | |
d62a17ae | 4567 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4568 | struct zebra_vrf *zvrf, | |
cd233079 | 4569 | struct in_addr vtep_ip, |
d7c0a89a | 4570 | uint8_t use_json) |
cec2e17d | 4571 | { |
d62a17ae | 4572 | struct mac_walk_ctx wctx; |
cd233079 | 4573 | json_object *json = NULL; |
cec2e17d | 4574 | |
2853fed6 | 4575 | if (!is_evpn_enabled()) |
d62a17ae | 4576 | return; |
cd233079 CS |
4577 | |
4578 | if (use_json) | |
4579 | json = json_object_new_object(); | |
4580 | ||
d62a17ae | 4581 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4582 | wctx.vty = vty; | |
4583 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4584 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4585 | wctx.json = json; |
d62a17ae | 4586 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4587 | |
4588 | if (use_json) { | |
4589 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4590 | json, JSON_C_TO_STRING_PRETTY)); | |
4591 | json_object_free(json); | |
4592 | } | |
cec2e17d | 4593 | } |
4594 | ||
4595 | /* | |
4596 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4597 | */ | |
d62a17ae | 4598 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4599 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4600 | { |
d62a17ae | 4601 | zebra_vni_t *zvni; |
4602 | zebra_mac_t *mac; | |
cec2e17d | 4603 | |
2853fed6 | 4604 | if (!is_evpn_enabled()) |
d62a17ae | 4605 | return; |
2853fed6 | 4606 | zvni = zvni_lookup(vni); |
d62a17ae | 4607 | if (!zvni) { |
4608 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4609 | return; | |
4610 | } | |
4611 | mac = zvni_mac_lookup(zvni, macaddr); | |
4612 | if (!mac) { | |
4613 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4614 | vni); | |
4615 | return; | |
4616 | } | |
cec2e17d | 4617 | |
d62a17ae | 4618 | zvni_print_mac(mac, vty); |
cec2e17d | 4619 | } |
4620 | ||
4621 | /* | |
4622 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4623 | */ | |
d62a17ae | 4624 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4625 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4626 | uint8_t use_json) |
cec2e17d | 4627 | { |
d62a17ae | 4628 | zebra_vni_t *zvni; |
d7c0a89a | 4629 | uint32_t num_macs; |
d62a17ae | 4630 | struct mac_walk_ctx wctx; |
cd233079 CS |
4631 | json_object *json = NULL; |
4632 | json_object *json_mac = NULL; | |
cec2e17d | 4633 | |
2853fed6 | 4634 | if (!is_evpn_enabled()) |
d62a17ae | 4635 | return; |
2853fed6 | 4636 | zvni = zvni_lookup(vni); |
d62a17ae | 4637 | if (!zvni) { |
cd233079 CS |
4638 | if (use_json) |
4639 | vty_out(vty, "{}\n"); | |
4640 | else | |
4641 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4642 | return; |
4643 | } | |
790f8dc5 | 4644 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4645 | if (!num_macs) |
4646 | return; | |
cd233079 CS |
4647 | |
4648 | if (use_json) { | |
4649 | json = json_object_new_object(); | |
4650 | json_mac = json_object_new_object(); | |
4651 | } | |
4652 | ||
d62a17ae | 4653 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4654 | wctx.zvni = zvni; | |
4655 | wctx.vty = vty; | |
4656 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4657 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4658 | wctx.json = json_mac; |
d62a17ae | 4659 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4660 | |
4661 | if (use_json) { | |
4662 | json_object_int_add(json, "numMacs", wctx.count); | |
4663 | if (wctx.count) | |
4664 | json_object_object_add(json, "macs", json_mac); | |
4665 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4666 | json, JSON_C_TO_STRING_PRETTY)); | |
4667 | json_object_free(json); | |
4668 | } | |
cec2e17d | 4669 | } |
4670 | ||
4671 | ||
4672 | /* | |
4673 | * Display VNI information (VTY command handler). | |
4674 | */ | |
cd233079 | 4675 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
d7c0a89a | 4676 | uint8_t use_json) |
cec2e17d | 4677 | { |
cd233079 CS |
4678 | json_object *json = NULL; |
4679 | void *args[2]; | |
1f2129ec | 4680 | zebra_l3vni_t *zl3vni = NULL; |
4681 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 4682 | |
2853fed6 | 4683 | if (!is_evpn_enabled()) |
d62a17ae | 4684 | return; |
4cce389e | 4685 | |
cd233079 CS |
4686 | if (use_json) |
4687 | json = json_object_new_object(); | |
4688 | args[0] = vty; | |
4689 | args[1] = json; | |
4cce389e | 4690 | |
1f2129ec | 4691 | zl3vni = zl3vni_lookup(vni); |
4692 | if (zl3vni) { | |
4cce389e MK |
4693 | zl3vni_print(zl3vni, (void *)args); |
4694 | } else { | |
4cce389e MK |
4695 | zvni = zvni_lookup(vni); |
4696 | if (!zvni) { | |
4697 | if (use_json) | |
4698 | vty_out(vty, "{}\n"); | |
4699 | else | |
4700 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4701 | return; | |
4702 | } | |
4703 | ||
4704 | zvni_print(zvni, (void *)args); | |
4705 | } | |
4706 | ||
cd233079 CS |
4707 | if (use_json) { |
4708 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4709 | json, JSON_C_TO_STRING_PRETTY)); | |
4710 | json_object_free(json); | |
4711 | } | |
cec2e17d | 4712 | } |
4713 | ||
4cce389e | 4714 | /* Display all global details for EVPN */ |
d7c0a89a | 4715 | void zebra_vxlan_print_evpn(struct vty *vty, uint8_t uj) |
cec2e17d | 4716 | { |
4cce389e MK |
4717 | int num_l2vnis = 0; |
4718 | int num_l3vnis = 0; | |
d4454626 | 4719 | int num_vnis = 0; |
cd233079 | 4720 | json_object *json = NULL; |
4cce389e MK |
4721 | struct zebra_ns *zns = NULL; |
4722 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 4723 | |
2853fed6 | 4724 | if (!is_evpn_enabled()) |
d62a17ae | 4725 | return; |
4cce389e MK |
4726 | |
4727 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4728 | if (!zns) | |
d62a17ae | 4729 | return; |
4cce389e MK |
4730 | |
4731 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
4732 | if (!zvrf) | |
4733 | return; | |
4734 | ||
4735 | num_l3vnis = hashcount(zns->l3vni_table); | |
4736 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 4737 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
4738 | |
4739 | if (uj) { | |
cd233079 | 4740 | json = json_object_new_object(); |
ddd16ed5 MK |
4741 | json_object_string_add(json, "advertiseGatewayMacip", |
4742 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 4743 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
4744 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
4745 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 4746 | } else { |
4cce389e MK |
4747 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
4748 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
4749 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4750 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4751 | } |
4cce389e MK |
4752 | |
4753 | if (uj) { | |
4754 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4755 | json, JSON_C_TO_STRING_PRETTY)); | |
4756 | json_object_free(json); | |
4757 | } | |
4758 | } | |
4759 | ||
4760 | /* | |
4761 | * Display VNI hash table (VTY command handler). | |
4762 | */ | |
4763 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4764 | uint8_t use_json) |
4cce389e MK |
4765 | { |
4766 | json_object *json = NULL; | |
4767 | struct zebra_ns *zns = NULL; | |
4768 | void *args[2]; | |
4769 | ||
4770 | if (!is_evpn_enabled()) | |
4771 | return; | |
4772 | ||
4773 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4774 | if (!zns) | |
4775 | return; | |
4776 | ||
4777 | ||
4778 | if (use_json) | |
4779 | json = json_object_new_object(); | |
4780 | else | |
996c9314 LB |
4781 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
4782 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
4783 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 4784 | |
cd233079 CS |
4785 | args[0] = vty; |
4786 | args[1] = json; | |
4787 | ||
4cce389e | 4788 | /* Display all L2-VNIs */ |
cd233079 CS |
4789 | hash_iterate(zvrf->vni_table, |
4790 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4791 | args); | |
4792 | ||
4cce389e MK |
4793 | /* Display all L3-VNIs */ |
4794 | hash_iterate(zns->l3vni_table, | |
4795 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
4796 | args); | |
4797 | ||
cd233079 CS |
4798 | if (use_json) { |
4799 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4800 | json, JSON_C_TO_STRING_PRETTY)); | |
4801 | json_object_free(json); | |
4802 | } | |
cec2e17d | 4803 | } |
4804 | ||
2232a77c | 4805 | /* |
ee69da27 MK |
4806 | * Handle neighbor delete notification from the kernel (on a VLAN device |
4807 | * / L3 interface). This may result in either the neighbor getting deleted | |
4808 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 4809 | * remote neighbor). |
4810 | */ | |
ee69da27 MK |
4811 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
4812 | struct interface *link_if, | |
4813 | struct ipaddr *ip) | |
d62a17ae | 4814 | { |
d62a17ae | 4815 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 4816 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4817 | zebra_neigh_t *n = NULL; |
4818 | zebra_vni_t *zvni = NULL; | |
4819 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 4820 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 4821 | |
8c9b80b9 | 4822 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 4823 | * next-hop |
4824 | */ | |
8c9b80b9 MK |
4825 | zl3vni = zl3vni_from_svi(ifp, link_if); |
4826 | if (zl3vni) | |
4827 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 4828 | |
4829 | /* We are only interested in neighbors on an SVI that resides on top | |
4830 | * of a VxLAN bridge. | |
4831 | */ | |
b7cfce93 | 4832 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4833 | if (!zvni) |
4834 | return 0; | |
8c9b80b9 | 4835 | |
d62a17ae | 4836 | if (!zvni->vxlan_if) { |
4837 | zlog_err( | |
4838 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", | |
4839 | zvni->vni, zvni); | |
4840 | return -1; | |
4841 | } | |
4842 | ||
4843 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4844 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
4845 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
4846 | ifp->ifindex, zvni->vni); | |
d62a17ae | 4847 | |
4848 | /* If entry doesn't exist, nothing to do. */ | |
4849 | n = zvni_neigh_lookup(zvni, ip); | |
4850 | if (!n) | |
4851 | return 0; | |
4852 | ||
b6938a74 MK |
4853 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4854 | if (!zmac) { | |
4855 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4856 | zlog_err( | |
2853fed6 | 4857 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4858 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4859 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4860 | zvni->vni); | |
4861 | ||
4862 | return 0; | |
4863 | } | |
4864 | ||
d62a17ae | 4865 | /* If it is a remote entry, the kernel has aged this out or someone has |
4866 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4867 | */ | |
4868 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4869 | zvni_neigh_install(zvni, n); | |
4870 | return 0; | |
4871 | } | |
4872 | ||
d62a17ae | 4873 | /* Remove neighbor from BGP. */ |
b6938a74 | 4874 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 4875 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 4876 | |
4877 | /* Delete this neighbor entry. */ | |
4878 | zvni_neigh_del(zvni, n); | |
4879 | ||
b6938a74 MK |
4880 | /* see if the AUTO mac needs to be deleted */ |
4881 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4882 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4883 | zvni_mac_del(zvni, zmac); |
4884 | ||
d62a17ae | 4885 | return 0; |
2232a77c | 4886 | } |
4887 | ||
4888 | /* | |
ee69da27 MK |
4889 | * Handle neighbor add or update notification from the kernel (on a VLAN |
4890 | * device / L3 interface). This is typically for a local neighbor but can | |
4891 | * also be for a remote neighbor (e.g., ageout notification). It could | |
4892 | * also be a "move" scenario. | |
2232a77c | 4893 | */ |
ee69da27 MK |
4894 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
4895 | struct interface *link_if, | |
4896 | struct ipaddr *ip, | |
4897 | struct ethaddr *macaddr, | |
4898 | uint16_t state, | |
4899 | uint8_t ext_learned) | |
d62a17ae | 4900 | { |
d62a17ae | 4901 | char buf[ETHER_ADDR_STRLEN]; |
4902 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 4903 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 4904 | zebra_l3vni_t *zl3vni = NULL; |
4905 | ||
4906 | /* check if this is a remote neigh entry corresponding to remote | |
4907 | * next-hop | |
4908 | */ | |
4909 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4910 | if (zl3vni) | |
4911 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 4912 | |
d62a17ae | 4913 | /* We are only interested in neighbors on an SVI that resides on top |
4914 | * of a VxLAN bridge. | |
4915 | */ | |
b7cfce93 | 4916 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4917 | if (!zvni) |
4918 | return 0; | |
4919 | ||
d62a17ae | 4920 | if (IS_ZEBRA_DEBUG_VXLAN) |
4921 | zlog_debug( | |
8c9b80b9 | 4922 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s-> L2-VNI %u", |
2853fed6 | 4923 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4924 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4925 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
8c9b80b9 | 4926 | zvni->vni); |
d62a17ae | 4927 | |
ee69da27 MK |
4928 | /* Is this about a local neighbor or a remote one? */ |
4929 | if (!ext_learned) | |
4930 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr); | |
b7cfce93 | 4931 | |
ee69da27 | 4932 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 4933 | } |
4934 | ||
b682f6de | 4935 | |
2232a77c | 4936 | /* |
4937 | * Handle message from client to delete a remote MACIP for a VNI. | |
4938 | */ | |
89f4e507 | 4939 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 4940 | { |
4941 | struct stream *s; | |
4942 | vni_t vni; | |
4943 | struct ethaddr macaddr; | |
4944 | struct ipaddr ip; | |
4945 | struct in_addr vtep_ip; | |
4946 | zebra_vni_t *zvni; | |
4947 | zebra_mac_t *mac; | |
4948 | zebra_neigh_t *n; | |
d7c0a89a | 4949 | unsigned short l = 0, ipa_len; |
d62a17ae | 4950 | char buf[ETHER_ADDR_STRLEN]; |
4951 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 4952 | struct interface *ifp = NULL; |
4953 | struct zebra_if *zif = NULL; | |
d62a17ae | 4954 | |
b7cfce93 | 4955 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
4956 | memset(&ip, 0, sizeof(struct ipaddr)); |
4957 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
4958 | ||
1002497a | 4959 | s = msg; |
d62a17ae | 4960 | |
89f4e507 | 4961 | while (l < hdr->length) { |
d62a17ae | 4962 | /* Obtain each remote MACIP and process. */ |
4963 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
4964 | * followed by remote VTEP IP. | |
4965 | */ | |
4966 | mac = NULL; | |
4967 | n = NULL; | |
4968 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
4969 | STREAM_GETL(s, vni); |
4970 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
4971 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 4972 | if (ipa_len) { |
4973 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
4974 | : IPADDR_V6; | |
ec93aa12 | 4975 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 4976 | } |
ff8b7eb8 | 4977 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 4978 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 4979 | l += IPV4_MAX_BYTELEN; |
4980 | ||
4981 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4982 | zlog_debug( | |
23a06e11 | 4983 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 4984 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
4985 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
4986 | inet_ntoa(vtep_ip), | |
4987 | zebra_route_string(client->proto)); | |
4988 | ||
4989 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 4990 | zvni = zvni_lookup(vni); |
d62a17ae | 4991 | if (!zvni) { |
4992 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4993 | zlog_debug( | |
4994 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 4995 | "VNI %u", |
4996 | vni); | |
d62a17ae | 4997 | continue; |
4998 | } | |
b5ebdc9b | 4999 | ifp = zvni->vxlan_if; |
af026ae4 | 5000 | if (!ifp) { |
d62a17ae | 5001 | zlog_err( |
5002 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", | |
5003 | vni, zvni); | |
5004 | continue; | |
5005 | } | |
b5ebdc9b | 5006 | zif = ifp->info; |
5007 | ||
5008 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5009 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5010 | continue; |
d62a17ae | 5011 | |
5012 | /* The remote VTEP specified is normally expected to exist, but | |
5013 | * it is | |
5014 | * possible that the peer may delete the VTEP before deleting | |
5015 | * any MACs | |
5016 | * referring to the VTEP, in which case the handler (see | |
5017 | * remote_vtep_del) | |
5018 | * would have already deleted the MACs. | |
5019 | */ | |
5020 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5021 | continue; | |
5022 | ||
d62a17ae | 5023 | mac = zvni_mac_lookup(zvni, &macaddr); |
5024 | if (ipa_len) | |
5025 | n = zvni_neigh_lookup(zvni, &ip); | |
5026 | ||
5027 | if (n && !mac) { | |
996c9314 LB |
5028 | zlog_err("Failed to locate MAC %s for neigh %s VNI %u", |
5029 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5030 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
d62a17ae | 5031 | continue; |
5032 | } | |
5033 | ||
5034 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5035 | * more | |
5036 | * to do. Otherwise, uninstall the entry and then remove it. | |
5037 | */ | |
5038 | if (!mac && !n) | |
5039 | continue; | |
5040 | ||
ead40654 | 5041 | /* Ignore the delete if this mac is a gateway mac-ip */ |
996c9314 LB |
5042 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
5043 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
5044 | zlog_err( | |
5045 | "%u: Ignore Del for MAC %s neigh %s on VNI %u as it is configured as a default gateway", | |
5046 | zvrf_id(zvrf), | |
5047 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5048 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
ead40654 MK |
5049 | continue; |
5050 | } | |
5051 | ||
d62a17ae | 5052 | /* Uninstall remote neighbor or MAC. */ |
5053 | if (n) { | |
5054 | /* When the MAC changes for an IP, it is possible the | |
5055 | * client may | |
5056 | * update the new MAC before trying to delete the "old" | |
5057 | * neighbor | |
5058 | * (as these are two different MACIP routes). Do the | |
5059 | * delete only | |
5060 | * if the MAC matches. | |
5061 | */ | |
5062 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
996c9314 | 5063 | && (memcmp(n->emac.octet, macaddr.octet, ETH_ALEN) |
d62a17ae | 5064 | == 0)) { |
5065 | zvni_neigh_uninstall(zvni, n); | |
5066 | zvni_neigh_del(zvni, n); | |
5067 | zvni_deref_ip2mac(zvni, mac, 1); | |
5068 | } | |
5069 | } else { | |
5070 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
996c9314 | 5071 | zvni_process_neigh_on_remote_mac_del(zvni, mac); |
b6938a74 | 5072 | |
0a97666d | 5073 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 5074 | zvni_mac_uninstall(zvni, mac, 0); |
5075 | zvni_mac_del(zvni, mac); | |
5076 | } else | |
5077 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5078 | } | |
5079 | } | |
5080 | } | |
5081 | ||
ec93aa12 | 5082 | stream_failure: |
8068a649 | 5083 | return; |
2232a77c | 5084 | } |
5085 | ||
5086 | /* | |
5087 | * Handle message from client to add a remote MACIP for a VNI. This | |
5088 | * could be just the add of a MAC address or the add of a neighbor | |
5089 | * (IP+MAC). | |
5090 | */ | |
89f4e507 | 5091 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5092 | { |
5093 | struct stream *s; | |
5094 | vni_t vni; | |
5095 | struct ethaddr macaddr; | |
5096 | struct ipaddr ip; | |
5097 | struct in_addr vtep_ip; | |
5098 | zebra_vni_t *zvni; | |
5099 | zebra_vtep_t *zvtep; | |
5100 | zebra_mac_t *mac, *old_mac; | |
5101 | zebra_neigh_t *n; | |
d7c0a89a | 5102 | unsigned short l = 0, ipa_len; |
d62a17ae | 5103 | int update_mac = 0, update_neigh = 0; |
5104 | char buf[ETHER_ADDR_STRLEN]; | |
5105 | char buf1[INET6_ADDRSTRLEN]; | |
d7c0a89a QY |
5106 | uint8_t sticky = 0; |
5107 | uint8_t flags = 0; | |
b5ebdc9b | 5108 | struct interface *ifp = NULL; |
5109 | struct zebra_if *zif = NULL; | |
d62a17ae | 5110 | |
b7cfce93 | 5111 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5112 | memset(&ip, 0, sizeof(struct ipaddr)); |
5113 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5114 | ||
ec93aa12 | 5115 | if (!EVPN_ENABLED(zvrf)) { |
996c9314 LB |
5116 | zlog_warn( |
5117 | "%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
5118 | __PRETTY_FUNCTION__); | |
8068a649 | 5119 | return; |
ec93aa12 | 5120 | } |
d62a17ae | 5121 | |
1002497a | 5122 | s = msg; |
d62a17ae | 5123 | |
89f4e507 | 5124 | while (l < hdr->length) { |
d62a17ae | 5125 | /* Obtain each remote MACIP and process. */ |
5126 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5127 | * followed by remote VTEP IP. | |
5128 | */ | |
5129 | update_mac = update_neigh = 0; | |
5130 | mac = NULL; | |
5131 | n = NULL; | |
5132 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5133 | STREAM_GETL(s, vni); |
5134 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5135 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5136 | if (ipa_len) { |
5137 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5138 | : IPADDR_V6; | |
ec93aa12 | 5139 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5140 | } |
ff8b7eb8 | 5141 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5142 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5143 | l += IPV4_MAX_BYTELEN; |
5144 | ||
ead40654 MK |
5145 | /* Get flags - sticky mac and/or gateway mac */ |
5146 | flags = stream_getc(s); | |
5147 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
d62a17ae | 5148 | l++; |
5149 | ||
5150 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5151 | zlog_debug( | |
ead40654 | 5152 | "Recv MACIP Add MAC %s IP %s VNI %u Remote VTEP %s with flags 0x%x from %s", |
d62a17ae | 5153 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5154 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
ead40654 | 5155 | inet_ntoa(vtep_ip), flags, |
d62a17ae | 5156 | zebra_route_string(client->proto)); |
5157 | ||
5158 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5159 | zvni = zvni_lookup(vni); |
d62a17ae | 5160 | if (!zvni) { |
5161 | zlog_err( | |
2853fed6 | 5162 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
5163 | vni); | |
d62a17ae | 5164 | continue; |
5165 | } | |
b5ebdc9b | 5166 | ifp = zvni->vxlan_if; |
5167 | if (!ifp) { | |
d62a17ae | 5168 | zlog_err( |
5169 | "VNI %u hash %p doesn't have intf upon remote MACIP add", | |
5170 | vni, zvni); | |
5171 | continue; | |
5172 | } | |
b5ebdc9b | 5173 | zif = ifp->info; |
5174 | ||
5175 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5176 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5177 | continue; |
5178 | ||
5179 | /* The remote VTEP specified should normally exist, but it is | |
5180 | * possible | |
5181 | * that when peering comes up, peer may advertise MACIP routes | |
5182 | * before | |
5183 | * advertising type-3 routes. | |
5184 | */ | |
5185 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5186 | if (!zvtep) { | |
5187 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
5188 | zlog_err( | |
2853fed6 | 5189 | "Failed to add remote VTEP, VNI %u zvni %p", |
5190 | vni, zvni); | |
d62a17ae | 5191 | continue; |
5192 | } | |
5193 | ||
5194 | zvni_vtep_install(zvni, &vtep_ip); | |
5195 | } | |
5196 | ||
d62a17ae | 5197 | mac = zvni_mac_lookup(zvni, &macaddr); |
ead40654 MK |
5198 | |
5199 | /* Ignore the update if the mac is already present | |
5200 | as a gateway mac */ | |
996c9314 LB |
5201 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) |
5202 | && CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
ead40654 | 5203 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5204 | zlog_debug( |
5205 | "%u:Ignore MAC %s IP %s on VNI %u as MAC is already configured as gateway mac", | |
5206 | zvrf_id(zvrf), | |
5207 | prefix_mac2str(&macaddr, buf, | |
5208 | sizeof(buf)), | |
5209 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
5210 | vni); | |
ead40654 MK |
5211 | continue; |
5212 | } | |
5213 | ||
5214 | /* check if the remote MAC is unknown or has a change. | |
5215 | * If so, that needs to be updated first. Note that client could | |
5216 | * install MAC and MACIP separately or just install the latter. | |
5217 | */ | |
d62a17ae | 5218 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
5219 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
5220 | != sticky | |
5221 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) | |
5222 | update_mac = 1; | |
5223 | ||
5224 | if (update_mac) { | |
5225 | if (!mac) { | |
5226 | mac = zvni_mac_add(zvni, &macaddr); | |
5227 | if (!mac) { | |
5228 | zlog_warn( | |
2853fed6 | 5229 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5230 | prefix_mac2str(&macaddr, buf, |
5231 | sizeof(buf)), | |
5232 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5233 | return; |
d62a17ae | 5234 | } |
5235 | ||
5236 | /* Is this MAC created for a MACIP? */ | |
5237 | if (ipa_len) | |
5238 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 5239 | } |
5240 | ||
5241 | /* Set "auto" and "remote" forwarding info. */ | |
5242 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5243 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5244 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5245 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5246 | ||
5247 | if (sticky) | |
5248 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5249 | else | |
5250 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5251 | ||
2853fed6 | 5252 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 5253 | |
d62a17ae | 5254 | /* Install the entry. */ |
5255 | zvni_mac_install(zvni, mac); | |
5256 | } | |
5257 | ||
5258 | /* If there is no IP, continue - after clearing AUTO flag of | |
5259 | * MAC. */ | |
5260 | if (!ipa_len) { | |
5261 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5262 | continue; | |
5263 | } | |
5264 | ||
5265 | /* Check if the remote neighbor itself is unknown or has a | |
5266 | * change. | |
5267 | * If so, create or update and then install the entry. | |
5268 | */ | |
5269 | n = zvni_neigh_lookup(zvni, &ip); | |
5270 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5271 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
5272 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
5273 | update_neigh = 1; | |
5274 | ||
5275 | if (update_neigh) { | |
5276 | if (!n) { | |
b6938a74 | 5277 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 5278 | if (!n) { |
5279 | zlog_warn( | |
2853fed6 | 5280 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5281 | ipaddr2str(&ip, buf1, |
5282 | sizeof(buf1)), | |
5283 | prefix_mac2str(&macaddr, buf, | |
5284 | sizeof(buf)), | |
5285 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5286 | return; |
d62a17ae | 5287 | } |
5288 | ||
d62a17ae | 5289 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5290 | != 0) { | |
0a97666d MK |
5291 | /* MAC change, update neigh list for old and new |
5292 | * mac */ | |
d62a17ae | 5293 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5294 | if (old_mac) { |
5295 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5296 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5297 | } |
5298 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5299 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5300 | } |
5301 | ||
5302 | /* Set "remote" forwarding info. */ | |
5303 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5304 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5305 | n->r_vtep_ip = vtep_ip; |
5306 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5307 | ||
5308 | /* Install the entry. */ | |
5309 | zvni_neigh_install(zvni, n); | |
5310 | } | |
5311 | } | |
5312 | ||
ec93aa12 | 5313 | stream_failure: |
8068a649 | 5314 | return; |
13d60d35 | 5315 | } |
5316 | ||
5317 | /* | |
2232a77c | 5318 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5319 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5320 | * of any prior local MAC. | |
13d60d35 | 5321 | */ |
d62a17ae | 5322 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5323 | struct interface *br_if, | |
5324 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5325 | { |
d62a17ae | 5326 | struct zebra_if *zif; |
d62a17ae | 5327 | struct zebra_l2info_vxlan *vxl; |
5328 | vni_t vni; | |
5329 | zebra_vni_t *zvni; | |
5330 | zebra_mac_t *mac; | |
5331 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5332 | |
d62a17ae | 5333 | zif = ifp->info; |
5334 | assert(zif); | |
5335 | vxl = &zif->l2info.vxl; | |
5336 | vni = vxl->vni; | |
13d60d35 | 5337 | |
2853fed6 | 5338 | /* Check if EVPN is enabled. */ |
5339 | if (!is_evpn_enabled()) | |
d62a17ae | 5340 | return 0; |
13d60d35 | 5341 | |
d62a17ae | 5342 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5343 | zvni = zvni_lookup(vni); |
d62a17ae | 5344 | if (!zvni) |
5345 | return 0; | |
13d60d35 | 5346 | |
d62a17ae | 5347 | /* If entry doesn't exist, nothing to do. */ |
5348 | mac = zvni_mac_lookup(zvni, macaddr); | |
5349 | if (!mac) | |
5350 | return 0; | |
13d60d35 | 5351 | |
d62a17ae | 5352 | /* Is it a local entry? */ |
5353 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5354 | return 0; | |
13d60d35 | 5355 | |
d62a17ae | 5356 | if (IS_ZEBRA_DEBUG_VXLAN) |
5357 | zlog_debug( | |
2853fed6 | 5358 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5359 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5360 | ifp->ifindex, vni); | |
13d60d35 | 5361 | |
d62a17ae | 5362 | /* Remove MAC from BGP. */ |
ead40654 | 5363 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5364 | |
b6938a74 MK |
5365 | /* |
5366 | * If there are no neigh associated with the mac delete the mac | |
5367 | * else mark it as AUTO for forward reference | |
5368 | */ | |
5369 | if (!listcount(mac->neigh_list)) { | |
5370 | zvni_mac_del(zvni, mac); | |
5371 | } else { | |
5372 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5373 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5374 | } | |
13d60d35 | 5375 | |
d62a17ae | 5376 | return 0; |
13d60d35 | 5377 | } |
5378 | ||
5379 | /* | |
2232a77c | 5380 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5381 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5382 | * so the kernel can ageout the entry. | |
13d60d35 | 5383 | */ |
d62a17ae | 5384 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5385 | struct interface *br_if, | |
5386 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5387 | { |
a9a76262 MK |
5388 | struct zebra_if *zif = NULL; |
5389 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5390 | vni_t vni; |
a9a76262 MK |
5391 | zebra_vni_t *zvni = NULL; |
5392 | zebra_l3vni_t *zl3vni = NULL; | |
5393 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5394 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5395 | |
d62a17ae | 5396 | zif = ifp->info; |
5397 | assert(zif); | |
5398 | vxl = &zif->l2info.vxl; | |
5399 | vni = vxl->vni; | |
2232a77c | 5400 | |
2853fed6 | 5401 | /* Check if EVPN is enabled. */ |
5402 | if (!is_evpn_enabled()) | |
d62a17ae | 5403 | return 0; |
2232a77c | 5404 | |
a9a76262 MK |
5405 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5406 | zl3vni = zl3vni_lookup(vni); | |
5407 | if (zl3vni) | |
5408 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5409 | ||
d62a17ae | 5410 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5411 | zvni = zvni_lookup(vni); |
d62a17ae | 5412 | if (!zvni) |
5413 | return 0; | |
13d60d35 | 5414 | |
d62a17ae | 5415 | /* If entry doesn't exist, nothing to do. */ |
5416 | mac = zvni_mac_lookup(zvni, macaddr); | |
5417 | if (!mac) | |
5418 | return 0; | |
2232a77c | 5419 | |
d62a17ae | 5420 | /* Is it a remote entry? */ |
5421 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5422 | return 0; | |
2232a77c | 5423 | |
d62a17ae | 5424 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5425 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5426 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5427 | ifp->ifindex, vni); | |
13d60d35 | 5428 | |
d62a17ae | 5429 | zvni_mac_install(zvni, mac); |
5430 | return 0; | |
13d60d35 | 5431 | } |
5432 | ||
5433 | /* | |
2232a77c | 5434 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5435 | */ |
d62a17ae | 5436 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5437 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5438 | { |
d62a17ae | 5439 | zebra_vni_t *zvni; |
5440 | zebra_mac_t *mac; | |
d62a17ae | 5441 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5442 | |
d62a17ae | 5443 | /* We are interested in MACs only on ports or (port, VLAN) that |
5444 | * map to a VNI. | |
5445 | */ | |
5446 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5447 | if (!zvni) | |
5448 | return 0; | |
5449 | if (!zvni->vxlan_if) { | |
5450 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5451 | zvni->vni, zvni); | |
5452 | return -1; | |
5453 | } | |
13d60d35 | 5454 | |
d62a17ae | 5455 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5456 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5457 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5458 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5459 | |
d62a17ae | 5460 | /* If entry doesn't exist, nothing to do. */ |
5461 | mac = zvni_mac_lookup(zvni, macaddr); | |
5462 | if (!mac) | |
5463 | return 0; | |
2232a77c | 5464 | |
d62a17ae | 5465 | /* Is it a local entry? */ |
5466 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5467 | return 0; | |
2232a77c | 5468 | |
d62a17ae | 5469 | /* Remove MAC from BGP. */ |
ead40654 | 5470 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
2232a77c | 5471 | |
b6938a74 | 5472 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5473 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5474 | |
5475 | /* | |
5476 | * If there are no neigh associated with the mac delete the mac | |
5477 | * else mark it as AUTO for forward reference | |
5478 | */ | |
5479 | if (!listcount(mac->neigh_list)) { | |
5480 | zvni_mac_del(zvni, mac); | |
5481 | } else { | |
5482 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5483 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5484 | } | |
2232a77c | 5485 | |
d62a17ae | 5486 | return 0; |
13d60d35 | 5487 | } |
5488 | ||
5489 | /* | |
2232a77c | 5490 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5491 | */ |
d62a17ae | 5492 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5493 | struct interface *br_if, | |
5494 | struct ethaddr *macaddr, vlanid_t vid, | |
d7c0a89a | 5495 | uint8_t sticky) |
d62a17ae | 5496 | { |
5497 | zebra_vni_t *zvni; | |
5498 | zebra_mac_t *mac; | |
d62a17ae | 5499 | char buf[ETHER_ADDR_STRLEN]; |
5500 | int add = 1; | |
d7c0a89a | 5501 | uint8_t mac_sticky; |
d62a17ae | 5502 | |
5503 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5504 | * map to a VNI. | |
5505 | */ | |
5506 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5507 | if (!zvni) { | |
5508 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5509 | zlog_debug( | |
2853fed6 | 5510 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5511 | sticky ? "sticky " : "", | |
d62a17ae | 5512 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5513 | ifp->name, ifp->ifindex, vid); | |
5514 | return 0; | |
5515 | } | |
5516 | ||
5517 | if (!zvni->vxlan_if) { | |
5518 | zlog_err("VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5519 | zvni->vni, zvni); | |
5520 | return -1; | |
5521 | } | |
5522 | ||
5523 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5524 | zlog_debug("Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5525 | sticky ? "sticky " : "", | |
5526 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
5527 | ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5528 | |
5529 | /* If same entry already exists, nothing to do. */ | |
5530 | mac = zvni_mac_lookup(zvni, macaddr); | |
5531 | if (mac) { | |
5532 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5533 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5534 | ? 1 | |
5535 | : 0; | |
5536 | ||
b6938a74 | 5537 | |
b8ce75a5 MK |
5538 | /* |
5539 | * return if nothing has changed. | |
5540 | * inform bgp if sticky flag has changed | |
5541 | * update locally and do not inform bgp if local | |
5542 | * parameters like interface has changed | |
5543 | */ | |
d62a17ae | 5544 | if (mac_sticky == sticky |
5545 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5546 | && mac->fwd_info.local.vid == vid) { | |
5547 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5548 | zlog_debug( | |
2853fed6 | 5549 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5550 | "entry exists and has not changed ", |
d62a17ae | 5551 | sticky ? "sticky " : "", |
5552 | prefix_mac2str(macaddr, buf, | |
5553 | sizeof(buf)), | |
5554 | ifp->name, ifp->ifindex, vid, | |
5555 | zvni->vni); | |
5556 | return 0; | |
b6938a74 | 5557 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5558 | add = 1; |
b6938a74 | 5559 | } else { |
b8ce75a5 MK |
5560 | add = 0; /* This is an update of local |
5561 | interface. */ | |
b6938a74 | 5562 | } |
421bb26a MK |
5563 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5564 | /* | |
5565 | * If we have already learned the MAC as a remote sticky | |
5566 | * MAC, | |
5567 | * this is a operator error and we must log a warning | |
5568 | */ | |
8f4b98ee | 5569 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5570 | zlog_warn( |
5571 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5572 | prefix_mac2str(macaddr, buf, | |
5573 | sizeof(buf)), | |
5574 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5575 | zvni->vni); | |
8f4b98ee MK |
5576 | return 0; |
5577 | } | |
d62a17ae | 5578 | } |
5579 | } | |
5580 | ||
d62a17ae | 5581 | if (!mac) { |
5582 | mac = zvni_mac_add(zvni, macaddr); | |
5583 | if (!mac) { | |
2853fed6 | 5584 | zlog_err("Failed to add MAC %s intf %s(%u) VID %u", |
d62a17ae | 5585 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5586 | ifp->name, ifp->ifindex, vid); | |
5587 | return -1; | |
5588 | } | |
5589 | } | |
5590 | ||
5591 | /* Set "local" forwarding info. */ | |
5592 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5593 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5594 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5595 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5596 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5597 | mac->fwd_info.local.vid = vid; | |
5598 | ||
5599 | if (sticky) | |
5600 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5601 | else | |
5602 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5603 | ||
5604 | /* Inform BGP if required. */ | |
b6938a74 | 5605 | if (add) { |
2853fed6 | 5606 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5607 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
ead40654 | 5608 | mac->flags); |
b6938a74 | 5609 | } |
d62a17ae | 5610 | |
5611 | return 0; | |
2232a77c | 5612 | } |
13d60d35 | 5613 | |
5614 | /* | |
5615 | * Handle message from client to delete a remote VTEP for a VNI. | |
5616 | */ | |
89f4e507 | 5617 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5618 | { |
5619 | struct stream *s; | |
d7c0a89a | 5620 | unsigned short l = 0; |
d62a17ae | 5621 | vni_t vni; |
5622 | struct in_addr vtep_ip; | |
5623 | zebra_vni_t *zvni; | |
5624 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5625 | struct interface *ifp; |
5626 | struct zebra_if *zif; | |
d62a17ae | 5627 | |
ec93aa12 | 5628 | if (!is_evpn_enabled()) { |
996c9314 LB |
5629 | zlog_warn( |
5630 | "%s: EVPN is not enabled yet we have received a vtep del command", | |
5631 | __PRETTY_FUNCTION__); | |
8068a649 | 5632 | return; |
ec93aa12 DS |
5633 | } |
5634 | ||
2853fed6 | 5635 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5636 | zlog_err("Recv MACIP DEL for non-default VRF %u", | |
5637 | zvrf_id(zvrf)); | |
8068a649 | 5638 | return; |
2853fed6 | 5639 | } |
5640 | ||
1002497a | 5641 | s = msg; |
d62a17ae | 5642 | |
89f4e507 | 5643 | while (l < hdr->length) { |
d62a17ae | 5644 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5645 | STREAM_GETL(s, vni); |
d62a17ae | 5646 | l += 4; |
ec93aa12 | 5647 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5648 | l += IPV4_MAX_BYTELEN; |
5649 | ||
5650 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5651 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5652 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5653 | zebra_route_string(client->proto)); |
5654 | ||
5655 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5656 | zvni = zvni_lookup(vni); |
d62a17ae | 5657 | if (!zvni) { |
5658 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5659 | zlog_debug( | |
5660 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5661 | "VNI %u", |
5662 | vni); | |
d62a17ae | 5663 | continue; |
5664 | } | |
5665 | ||
b5ebdc9b | 5666 | ifp = zvni->vxlan_if; |
5667 | if (!ifp) { | |
60466a63 QY |
5668 | zlog_err( |
5669 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", | |
5670 | zvni->vni, zvni); | |
b682f6de | 5671 | continue; |
b5ebdc9b | 5672 | } |
5673 | zif = ifp->info; | |
5674 | ||
5675 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5676 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5677 | continue; |
5678 | ||
d62a17ae | 5679 | /* If the remote VTEP does not exist, there's nothing more to |
5680 | * do. | |
5681 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5682 | * and | |
5683 | * then, the VTEP entry itself and remove it. | |
5684 | */ | |
5685 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5686 | if (!zvtep) | |
5687 | continue; | |
5688 | ||
5689 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5690 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5691 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5692 | zvni_vtep_del(zvni, zvtep); | |
5693 | } | |
5694 | ||
ec93aa12 | 5695 | stream_failure: |
8068a649 | 5696 | return; |
13d60d35 | 5697 | } |
5698 | ||
5699 | /* | |
5700 | * Handle message from client to add a remote VTEP for a VNI. | |
5701 | */ | |
89f4e507 | 5702 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5703 | { |
5704 | struct stream *s; | |
d7c0a89a | 5705 | unsigned short l = 0; |
d62a17ae | 5706 | vni_t vni; |
5707 | struct in_addr vtep_ip; | |
5708 | zebra_vni_t *zvni; | |
b5ebdc9b | 5709 | struct interface *ifp; |
5710 | struct zebra_if *zif; | |
d62a17ae | 5711 | |
ec93aa12 | 5712 | if (!is_evpn_enabled()) { |
996c9314 LB |
5713 | zlog_warn( |
5714 | "%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5715 | __PRETTY_FUNCTION__); | |
8068a649 | 5716 | return; |
ec93aa12 DS |
5717 | } |
5718 | ||
2853fed6 | 5719 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
5720 | zlog_err("Recv MACIP ADD for non-default VRF %u", | |
5721 | zvrf_id(zvrf)); | |
8068a649 | 5722 | return; |
2853fed6 | 5723 | } |
d62a17ae | 5724 | |
1002497a | 5725 | s = msg; |
d62a17ae | 5726 | |
89f4e507 | 5727 | while (l < hdr->length) { |
d62a17ae | 5728 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5729 | STREAM_GETL(s, vni); |
d62a17ae | 5730 | l += 4; |
ec93aa12 | 5731 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5732 | l += IPV4_MAX_BYTELEN; |
5733 | ||
5734 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5735 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5736 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5737 | zebra_route_string(client->proto)); |
5738 | ||
5739 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5740 | zvni = zvni_lookup(vni); |
d62a17ae | 5741 | if (!zvni) { |
5742 | zlog_err( | |
2853fed6 | 5743 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5744 | vni); | |
d62a17ae | 5745 | continue; |
5746 | } | |
b5ebdc9b | 5747 | |
5748 | ifp = zvni->vxlan_if; | |
5749 | if (!ifp) { | |
d62a17ae | 5750 | zlog_err( |
5751 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", | |
5752 | zvni->vni, zvni); | |
5753 | continue; | |
5754 | } | |
5755 | ||
b5ebdc9b | 5756 | zif = ifp->info; |
d62a17ae | 5757 | |
b5ebdc9b | 5758 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5759 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5760 | continue; |
5761 | ||
b682f6de | 5762 | /* If the remote VTEP already exists, |
5763 | there's nothing more to do. */ | |
b5ebdc9b | 5764 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5765 | continue; |
5766 | ||
5767 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
996c9314 LB |
5768 | zlog_err("Failed to add remote VTEP, VNI %u zvni %p", |
5769 | vni, zvni); | |
d62a17ae | 5770 | continue; |
5771 | } | |
5772 | ||
5773 | zvni_vtep_install(zvni, &vtep_ip); | |
5774 | } | |
5775 | ||
ec93aa12 | 5776 | stream_failure: |
8068a649 | 5777 | return; |
13d60d35 | 5778 | } |
5779 | ||
1a98c087 MK |
5780 | /* |
5781 | * Add/Del gateway macip to evpn | |
5782 | * g/w can be: | |
5783 | * 1. SVI interface on a vlan aware bridge | |
5784 | * 2. SVI interface on a vlan unaware bridge | |
5785 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5786 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5787 | */ | |
5788 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5789 | int add) | |
5790 | { | |
5791 | struct ipaddr ip; | |
5792 | struct ethaddr macaddr; | |
5793 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5794 | |
5795 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5796 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5797 | ||
2853fed6 | 5798 | /* Check if EVPN is enabled. */ |
5799 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5800 | return 0; |
5801 | ||
1a98c087 MK |
5802 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5803 | struct interface *svi_if = | |
5804 | NULL; /* SVI corresponding to the MACVLAN */ | |
5805 | struct zebra_if *ifp_zif = | |
5806 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5807 | struct zebra_if *svi_if_zif = | |
5808 | NULL; /* Zebra daemon specific info for SVI*/ | |
5809 | ||
5810 | ifp_zif = ifp->info; | |
5811 | if (!ifp_zif) | |
5812 | return -1; | |
5813 | ||
71349e03 MK |
5814 | /* |
5815 | * for a MACVLAN interface the link represents the svi_if | |
5816 | */ | |
5817 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5818 | ifp_zif->link_ifindex); | |
1a98c087 | 5819 | if (!svi_if) { |
2853fed6 | 5820 | zlog_err("MACVLAN %s(%u) without link information", |
5821 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5822 | return -1; |
5823 | } | |
5824 | ||
5825 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5826 | /* |
5827 | * If it is a vlan aware bridge then the link gives the | |
5828 | * bridge information | |
5829 | */ | |
5830 | struct interface *svi_if_link = NULL; | |
5831 | ||
1a98c087 | 5832 | svi_if_zif = svi_if->info; |
71349e03 MK |
5833 | if (svi_if_zif) { |
5834 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5835 | zebra_ns_lookup(NS_DEFAULT), |
5836 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5837 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5838 | } |
1a98c087 | 5839 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5840 | /* |
5841 | * If it is a vlan unaware bridge then svi is the bridge | |
5842 | * itself | |
5843 | */ | |
b7cfce93 | 5844 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5845 | } |
5846 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5847 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5848 | NULL; /* Zebra daemon specific info for SVI */ |
5849 | struct interface *svi_if_link = | |
5850 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5851 | |
5852 | svi_if_zif = ifp->info; | |
e3bb770c IS |
5853 | if (svi_if_zif) { |
5854 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
5855 | zebra_ns_lookup(NS_DEFAULT), |
5856 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
5857 | if (svi_if_link) |
5858 | zvni = zvni_from_svi(ifp, svi_if_link); | |
5859 | } | |
1a98c087 | 5860 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5861 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5862 | } |
5863 | ||
5864 | if (!zvni) | |
5865 | return 0; | |
5866 | ||
5867 | if (!zvni->vxlan_if) { | |
5868 | zlog_err("VNI %u hash %p doesn't have intf upon MACVLAN up", | |
5869 | zvni->vni, zvni); | |
5870 | return -1; | |
5871 | } | |
5872 | ||
1a98c087 | 5873 | |
1a98c087 MK |
5874 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
5875 | ||
5876 | if (p->family == AF_INET) { | |
5877 | ip.ipa_type = IPADDR_V4; | |
5878 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5879 | sizeof(struct in_addr)); | |
5880 | } else if (p->family == AF_INET6) { | |
5881 | ip.ipa_type = IPADDR_V6; | |
5882 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5883 | sizeof(struct in6_addr)); | |
5884 | } | |
5885 | ||
5886 | ||
5887 | if (add) | |
5888 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5889 | else | |
5890 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5891 | ||
5892 | return 0; | |
5893 | } | |
5894 | ||
2232a77c | 5895 | /* |
b7cfce93 MK |
5896 | * Handle SVI interface going down. |
5897 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5898 | * For L2-VNI: At this point, this is a NOP since | |
5899 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5900 | * We only need to update the vrf corresponding to zvni. | |
5901 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5902 | * from bgp | |
2232a77c | 5903 | */ |
d62a17ae | 5904 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5905 | { |
b7cfce93 MK |
5906 | zebra_l3vni_t *zl3vni = NULL; |
5907 | ||
5908 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5909 | if (zl3vni) { | |
5910 | ||
5911 | /* process l3-vni down */ | |
5912 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5913 | ||
5914 | /* remove association with svi-if */ | |
5915 | zl3vni->svi_if = NULL; | |
5916 | } else { | |
5917 | zebra_vni_t *zvni = NULL; | |
5918 | ||
5919 | /* since we dont have svi corresponding to zvni, we associate it | |
5920 | * to default vrf. Note: the corresponding neigh entries on the | |
5921 | * SVI would have already been deleted */ | |
5922 | zvni = zvni_from_svi(ifp, link_if); | |
5923 | if (zvni) { | |
5924 | zvni->vrf_id = VRF_DEFAULT; | |
5925 | ||
5926 | /* update the tenant vrf in BGP */ | |
5927 | zvni_send_add_to_client(zvni); | |
5928 | } | |
5929 | } | |
d62a17ae | 5930 | return 0; |
2232a77c | 5931 | } |
5932 | ||
5933 | /* | |
b7cfce93 MK |
5934 | * Handle SVI interface coming up. |
5935 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
5936 | * vxlan intf). | |
5937 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
5938 | * apr-suppression) | |
5939 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 5940 | */ |
d62a17ae | 5941 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 5942 | { |
b7cfce93 MK |
5943 | zebra_vni_t *zvni = NULL; |
5944 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 5945 | |
b7cfce93 MK |
5946 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5947 | if (zl3vni) { | |
2232a77c | 5948 | |
b7cfce93 MK |
5949 | /* associate with svi */ |
5950 | zl3vni->svi_if = ifp; | |
2232a77c | 5951 | |
b7cfce93 MK |
5952 | /* process oper-up */ |
5953 | if (is_l3vni_oper_up(zl3vni)) | |
5954 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
5955 | } else { | |
5956 | ||
5957 | /* process SVI up for l2-vni */ | |
5958 | struct neigh_walk_ctx n_wctx; | |
5959 | ||
5960 | zvni = zvni_from_svi(ifp, link_if); | |
5961 | if (!zvni) | |
5962 | return 0; | |
5963 | ||
5964 | if (!zvni->vxlan_if) { | |
5965 | zlog_err("VNI %u hash %p doesn't have intf upon SVI up", | |
5966 | zvni->vni, zvni); | |
5967 | return -1; | |
5968 | } | |
5969 | ||
5970 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5971 | zlog_debug( |
5972 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
5973 | ifp->name, ifp->ifindex, zvni->vni, | |
5974 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 5975 | |
b7cfce93 MK |
5976 | /* update the vrf information for l2-vni and inform bgp */ |
5977 | zvni->vrf_id = ifp->vrf_id; | |
5978 | zvni_send_add_to_client(zvni); | |
5979 | ||
5980 | /* Install any remote neighbors for this VNI. */ | |
5981 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
5982 | n_wctx.zvni = zvni; | |
996c9314 | 5983 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
5984 | &n_wctx); |
5985 | } | |
2232a77c | 5986 | |
d62a17ae | 5987 | return 0; |
2232a77c | 5988 | } |
5989 | ||
13d60d35 | 5990 | /* |
b7cfce93 | 5991 | * Handle VxLAN interface down |
13d60d35 | 5992 | */ |
d62a17ae | 5993 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 5994 | { |
d62a17ae | 5995 | vni_t vni; |
b7cfce93 MK |
5996 | struct zebra_if *zif = NULL; |
5997 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 5998 | zebra_l3vni_t *zl3vni = NULL; |
5999 | zebra_vni_t *zvni; | |
13d60d35 | 6000 | |
2853fed6 | 6001 | /* Check if EVPN is enabled. */ |
6002 | if (!is_evpn_enabled()) | |
d62a17ae | 6003 | return 0; |
13d60d35 | 6004 | |
d62a17ae | 6005 | zif = ifp->info; |
6006 | assert(zif); | |
6007 | vxl = &zif->l2info.vxl; | |
6008 | vni = vxl->vni; | |
13d60d35 | 6009 | |
643215ce | 6010 | zl3vni = zl3vni_lookup(vni); |
6011 | if (zl3vni) { | |
b7cfce93 | 6012 | /* process-if-down for l3-vni */ |
b7cfce93 | 6013 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6014 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6015 | ifp->ifindex, vni); | |
b7cfce93 | 6016 | |
b7cfce93 | 6017 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6018 | } else { |
6019 | /* process if-down for l2-vni */ | |
b7cfce93 | 6020 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6021 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6022 | ifp->ifindex, vni); | |
13d60d35 | 6023 | |
b7cfce93 MK |
6024 | /* Locate hash entry; it is expected to exist. */ |
6025 | zvni = zvni_lookup(vni); | |
6026 | if (!zvni) { | |
6027 | zlog_err( | |
6028 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", | |
6029 | ifp->name, ifp->ifindex, vni); | |
6030 | return -1; | |
6031 | } | |
13d60d35 | 6032 | |
b7cfce93 | 6033 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6034 | |
b7cfce93 MK |
6035 | /* Delete this VNI from BGP. */ |
6036 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6037 | |
b7cfce93 MK |
6038 | /* Free up all neighbors and MACs, if any. */ |
6039 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6040 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6041 | |
b7cfce93 MK |
6042 | /* Free up all remote VTEPs, if any. */ |
6043 | zvni_vtep_del_all(zvni, 1); | |
6044 | } | |
d62a17ae | 6045 | return 0; |
13d60d35 | 6046 | } |
6047 | ||
6048 | /* | |
6049 | * Handle VxLAN interface up - update BGP if required. | |
6050 | */ | |
d62a17ae | 6051 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6052 | { |
d62a17ae | 6053 | vni_t vni; |
b7cfce93 MK |
6054 | struct zebra_if *zif = NULL; |
6055 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6056 | zebra_vni_t *zvni = NULL; |
6057 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6058 | |
2853fed6 | 6059 | /* Check if EVPN is enabled. */ |
6060 | if (!is_evpn_enabled()) | |
d62a17ae | 6061 | return 0; |
13d60d35 | 6062 | |
d62a17ae | 6063 | zif = ifp->info; |
6064 | assert(zif); | |
6065 | vxl = &zif->l2info.vxl; | |
6066 | vni = vxl->vni; | |
13d60d35 | 6067 | |
643215ce | 6068 | zl3vni = zl3vni_lookup(vni); |
6069 | if (zl3vni) { | |
13d60d35 | 6070 | |
b7cfce93 | 6071 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6072 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6073 | ifp->ifindex, vni); | |
13d60d35 | 6074 | |
b7cfce93 | 6075 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6076 | * svi-if only after association with vxlan-intf is complete |
6077 | */ | |
b7cfce93 MK |
6078 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6079 | ||
6080 | if (is_l3vni_oper_up(zl3vni)) | |
6081 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6082 | } else { | |
6083 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6084 | struct interface *vlan_if = NULL; |
6085 | ||
6086 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6087 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6088 | ifp->ifindex, vni); | |
b7cfce93 MK |
6089 | |
6090 | /* Locate hash entry; it is expected to exist. */ | |
6091 | zvni = zvni_lookup(vni); | |
6092 | if (!zvni) { | |
6093 | zlog_err( | |
6094 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", | |
6095 | ifp->name, ifp->ifindex, vni); | |
6096 | return -1; | |
6097 | } | |
6098 | ||
6099 | assert(zvni->vxlan_if == ifp); | |
6100 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6101 | zif->brslave_info.br_if); | |
6102 | if (vlan_if) { | |
6103 | zvni->vrf_id = vlan_if->vrf_id; | |
6104 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6105 | if (zl3vni) | |
6106 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6107 | } | |
6108 | ||
6109 | /* If part of a bridge, inform BGP about this VNI. */ | |
6110 | /* Also, read and populate local MACs and neighbors. */ | |
6111 | if (zif->brslave_info.br_if) { | |
6112 | zvni_send_add_to_client(zvni); | |
6113 | zvni_read_mac_neigh(zvni, ifp); | |
6114 | } | |
d62a17ae | 6115 | } |
13d60d35 | 6116 | |
d62a17ae | 6117 | return 0; |
13d60d35 | 6118 | } |
6119 | ||
6120 | /* | |
6121 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6122 | * and update BGP, if required. | |
6123 | */ | |
d62a17ae | 6124 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6125 | { |
d62a17ae | 6126 | vni_t vni; |
b7cfce93 MK |
6127 | struct zebra_if *zif = NULL; |
6128 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6129 | zebra_vni_t *zvni = NULL; |
6130 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6131 | |
2853fed6 | 6132 | /* Check if EVPN is enabled. */ |
6133 | if (!is_evpn_enabled()) | |
d62a17ae | 6134 | return 0; |
13d60d35 | 6135 | |
d62a17ae | 6136 | zif = ifp->info; |
6137 | assert(zif); | |
6138 | vxl = &zif->l2info.vxl; | |
6139 | vni = vxl->vni; | |
13d60d35 | 6140 | |
643215ce | 6141 | zl3vni = zl3vni_lookup(vni); |
6142 | if (zl3vni) { | |
b7cfce93 MK |
6143 | |
6144 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6145 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6146 | ifp->ifindex); | |
13d60d35 | 6147 | |
b7cfce93 MK |
6148 | /* process oper-down for l3-vni */ |
6149 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6150 | |
b7cfce93 | 6151 | /* remove the association with vxlan_if */ |
b67a60d2 | 6152 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6153 | zl3vni->vxlan_if = NULL; |
6154 | } else { | |
13d60d35 | 6155 | |
b7cfce93 | 6156 | /* process if-del for l2-vni*/ |
b7cfce93 | 6157 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6158 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6159 | ifp->ifindex); | |
b7cfce93 MK |
6160 | |
6161 | /* Locate hash entry; it is expected to exist. */ | |
6162 | zvni = zvni_lookup(vni); | |
6163 | if (!zvni) { | |
6164 | zlog_err( | |
6165 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", | |
6166 | ifp->name, ifp->ifindex, vni); | |
6167 | return 0; | |
6168 | } | |
6169 | ||
6170 | /* remove from l3-vni list */ | |
6171 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6172 | if (zl3vni) | |
6173 | listnode_delete(zl3vni->l2vnis, zvni); | |
6174 | ||
6175 | /* Delete VNI from BGP. */ | |
6176 | zvni_send_del_to_client(zvni->vni); | |
6177 | ||
6178 | /* Free up all neighbors and MAC, if any. */ | |
6179 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6180 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6181 | ||
6182 | /* Free up all remote VTEPs, if any. */ | |
6183 | zvni_vtep_del_all(zvni, 0); | |
6184 | ||
6185 | /* Delete the hash entry. */ | |
6186 | if (zvni_del(zvni)) { | |
6187 | zlog_err("Failed to del VNI hash %p, IF %s(%u) VNI %u", | |
6188 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
6189 | return -1; | |
6190 | } | |
d62a17ae | 6191 | } |
d62a17ae | 6192 | return 0; |
13d60d35 | 6193 | } |
6194 | ||
6195 | /* | |
6196 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6197 | */ | |
d7c0a89a | 6198 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6199 | { |
d62a17ae | 6200 | vni_t vni; |
b7cfce93 MK |
6201 | struct zebra_if *zif = NULL; |
6202 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6203 | zebra_vni_t *zvni = NULL; |
6204 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6205 | |
2853fed6 | 6206 | /* Check if EVPN is enabled. */ |
6207 | if (!is_evpn_enabled()) | |
d62a17ae | 6208 | return 0; |
6209 | ||
6210 | zif = ifp->info; | |
6211 | assert(zif); | |
6212 | vxl = &zif->l2info.vxl; | |
6213 | vni = vxl->vni; | |
6214 | ||
643215ce | 6215 | zl3vni = zl3vni_lookup(vni); |
6216 | if (zl3vni) { | |
af026ae4 | 6217 | |
b7cfce93 MK |
6218 | if (IS_ZEBRA_DEBUG_VXLAN) |
6219 | zlog_debug( | |
6220 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6221 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6222 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6223 | zif->brslave_info.bridge_ifindex, chgflags); |
6224 | ||
6225 | /* Removed from bridge? Cleanup and return */ | |
6226 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6227 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6228 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6229 | return 0; | |
6230 | } | |
6231 | ||
6232 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6233 | * svi_if and then process oper up again |
6234 | */ | |
b7cfce93 MK |
6235 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6236 | if (if_is_operative(ifp)) { | |
6237 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6238 | zl3vni->svi_if = NULL; | |
6239 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6240 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6241 | if (is_l3vni_oper_up(zl3vni)) |
6242 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6243 | zl3vni); |
b7cfce93 MK |
6244 | } |
6245 | } | |
d62a17ae | 6246 | |
12eeac84 MK |
6247 | /* |
6248 | * local-ip change - process oper down, associate with new | |
6249 | * local-ip and then process oper up again | |
6250 | */ | |
6251 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6252 | if (if_is_operative(ifp)) { | |
6253 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6254 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6255 | if (is_l3vni_oper_up(zl3vni)) | |
6256 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6257 | zl3vni); |
12eeac84 MK |
6258 | } |
6259 | } | |
6260 | ||
bca63dc8 MK |
6261 | /* Update local tunnel IP. */ |
6262 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6263 | ||
12eeac84 MK |
6264 | /* if we have a valid new master, process l3-vni oper up */ |
6265 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6266 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6267 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6268 | } | |
6269 | } else { | |
d62a17ae | 6270 | |
b7cfce93 MK |
6271 | /* Update VNI hash. */ |
6272 | zvni = zvni_lookup(vni); | |
6273 | if (!zvni) { | |
6274 | zlog_err( | |
6275 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", | |
6276 | ifp->name, ifp->ifindex, vni); | |
6277 | return -1; | |
6278 | } | |
d62a17ae | 6279 | |
b7cfce93 MK |
6280 | if (IS_ZEBRA_DEBUG_VXLAN) |
6281 | zlog_debug( | |
6282 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6283 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6284 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6285 | zif->brslave_info.bridge_ifindex, chgflags); |
6286 | ||
6287 | /* Removed from bridge? Cleanup and return */ | |
6288 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6289 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6290 | /* Delete from client, remove all remote VTEPs */ | |
6291 | /* Also, free up all MACs and neighbors. */ | |
6292 | zvni_send_del_to_client(zvni->vni); | |
6293 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6294 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6295 | zvni_vtep_del_all(zvni, 1); | |
6296 | return 0; | |
6297 | } | |
d62a17ae | 6298 | |
b7cfce93 MK |
6299 | /* Handle other changes. */ |
6300 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6301 | /* Remove all existing local neigh and MACs for this VNI | |
6302 | * (including from BGP) | |
6303 | */ | |
6304 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6305 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6306 | } | |
d62a17ae | 6307 | |
b7cfce93 MK |
6308 | zvni->local_vtep_ip = vxl->vtep_ip; |
6309 | zvni->vxlan_if = ifp; | |
d62a17ae | 6310 | |
b7cfce93 MK |
6311 | /* Take further actions needed. |
6312 | * Note that if we are here, there is a change of interest. | |
6313 | */ | |
6314 | /* If down or not mapped to a bridge, we're done. */ | |
6315 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6316 | return 0; | |
d62a17ae | 6317 | |
b7cfce93 MK |
6318 | /* Inform BGP, if there is a change of interest. */ |
6319 | if (chgflags | |
6320 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6321 | zvni_send_add_to_client(zvni); | |
6322 | ||
6323 | /* If there is a valid new master or a VLAN mapping change, | |
6324 | * read and populate local MACs and neighbors. | |
6325 | * Also, reinstall any remote MACs and neighbors | |
6326 | * for this VNI (based on new VLAN). | |
6327 | */ | |
6328 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6329 | zvni_read_mac_neigh(zvni, ifp); | |
6330 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6331 | struct mac_walk_ctx m_wctx; | |
6332 | struct neigh_walk_ctx n_wctx; | |
6333 | ||
6334 | zvni_read_mac_neigh(zvni, ifp); | |
6335 | ||
6336 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6337 | m_wctx.zvni = zvni; | |
996c9314 | 6338 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6339 | &m_wctx); |
6340 | ||
6341 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6342 | n_wctx.zvni = zvni; | |
6343 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6344 | &n_wctx); | |
6345 | } | |
d62a17ae | 6346 | } |
6347 | ||
6348 | return 0; | |
13d60d35 | 6349 | } |
6350 | ||
6351 | /* | |
6352 | * Handle VxLAN interface add. | |
6353 | */ | |
d62a17ae | 6354 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6355 | { |
d62a17ae | 6356 | vni_t vni; |
b7cfce93 MK |
6357 | struct zebra_if *zif = NULL; |
6358 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6359 | zebra_vni_t *zvni = NULL; |
6360 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6361 | |
2853fed6 | 6362 | /* Check if EVPN is enabled. */ |
6363 | if (!is_evpn_enabled()) | |
d62a17ae | 6364 | return 0; |
13d60d35 | 6365 | |
d62a17ae | 6366 | zif = ifp->info; |
6367 | assert(zif); | |
6368 | vxl = &zif->l2info.vxl; | |
6369 | vni = vxl->vni; | |
13d60d35 | 6370 | |
643215ce | 6371 | zl3vni = zl3vni_lookup(vni); |
6372 | if (zl3vni) { | |
13d60d35 | 6373 | |
b7cfce93 | 6374 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6375 | if (IS_ZEBRA_DEBUG_VXLAN) |
6376 | zlog_debug( | |
6377 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6378 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6379 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6380 | zif->brslave_info.bridge_ifindex); |
6381 | ||
b7cfce93 | 6382 | /* associate with vxlan_if */ |
b67a60d2 | 6383 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6384 | zl3vni->vxlan_if = ifp; |
6385 | ||
6386 | /* Associate with SVI, if any. We can associate with svi-if only | |
6387 | * after association with vxlan_if is complete */ | |
6388 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6389 | ||
6390 | if (is_l3vni_oper_up(zl3vni)) | |
6391 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6392 | } else { | |
6393 | ||
6394 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6395 | struct interface *vlan_if = NULL; |
6396 | ||
6397 | /* Create or update VNI hash. */ | |
6398 | zvni = zvni_lookup(vni); | |
6399 | if (!zvni) { | |
6400 | zvni = zvni_add(vni); | |
6401 | if (!zvni) { | |
6402 | zlog_err( | |
6403 | "Failed to add VNI hash, IF %s(%u) VNI %u", | |
6404 | ifp->name, ifp->ifindex, vni); | |
6405 | return -1; | |
6406 | } | |
6407 | } | |
6408 | ||
6409 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6410 | zvni->vxlan_if = ifp; | |
6411 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6412 | zif->brslave_info.br_if); | |
6413 | if (vlan_if) { | |
6414 | zvni->vrf_id = vlan_if->vrf_id; | |
6415 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6416 | if (zl3vni) | |
6417 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6418 | } | |
6419 | ||
6420 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6421 | zlog_debug( | |
6422 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6423 | vni, | |
996c9314 LB |
6424 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6425 | : "Default", | |
6426 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6427 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6428 | zif->brslave_info.bridge_ifindex); |
6429 | ||
6430 | /* If down or not mapped to a bridge, we're done. */ | |
6431 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6432 | return 0; | |
6433 | ||
6434 | /* Inform BGP */ | |
6435 | zvni_send_add_to_client(zvni); | |
6436 | ||
6437 | /* Read and populate local MACs and neighbors */ | |
6438 | zvni_read_mac_neigh(zvni, ifp); | |
6439 | } | |
6440 | ||
6441 | return 0; | |
6442 | } | |
6443 | ||
996c9314 LB |
6444 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6445 | char *err, int err_str_sz, int filter, | |
6446 | int add) | |
b7cfce93 MK |
6447 | { |
6448 | zebra_l3vni_t *zl3vni = NULL; | |
6449 | struct zebra_vrf *zvrf_default = NULL; | |
6450 | ||
6451 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6452 | if (!zvrf_default) | |
6453 | return -1; | |
6454 | ||
6455 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6456 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6457 | add ? "ADD" : "DEL"); |
6458 | ||
6459 | if (add) { | |
6460 | ||
6461 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6462 | ||
6463 | /* check if the vni is already present under zvrf */ | |
6464 | if (zvrf->l3vni) { | |
3f02fbab | 6465 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6466 | "VNI is already configured under the vrf"); |
6467 | return -1; | |
6468 | } | |
6469 | ||
6470 | /* check if this VNI is already present in the system */ | |
6471 | zl3vni = zl3vni_lookup(vni); | |
6472 | if (zl3vni) { | |
3f02fbab | 6473 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6474 | "VNI is already configured as L3-VNI"); |
6475 | return -1; | |
6476 | } | |
6477 | ||
6478 | /* add the L3-VNI to the global table */ | |
6479 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6480 | if (!zl3vni) { | |
996c9314 | 6481 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6482 | return -1; |
6483 | } | |
6484 | ||
6485 | /* associate the vrf with vni */ | |
6486 | zvrf->l3vni = vni; | |
6487 | ||
c48d9f5f MK |
6488 | /* set the filter in l3vni to denote if we are using l3vni only |
6489 | * for prefix routes | |
6490 | */ | |
6491 | if (filter) | |
6492 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6493 | ||
b7cfce93 | 6494 | /* associate with vxlan-intf; |
523cafc4 | 6495 | * we need to associate with the vxlan-intf first |
6496 | */ | |
b7cfce93 MK |
6497 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6498 | ||
6499 | /* associate with corresponding SVI interface, we can associate | |
6500 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6501 | * complete |
6502 | */ | |
b7cfce93 MK |
6503 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6504 | ||
6505 | /* formulate l2vni list */ | |
996c9314 LB |
6506 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6507 | zl3vni); | |
b7cfce93 MK |
6508 | |
6509 | if (is_l3vni_oper_up(zl3vni)) | |
6510 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6511 | ||
6512 | } else { | |
6513 | zl3vni = zl3vni_lookup(vni); | |
6514 | if (!zl3vni) { | |
3f02fbab | 6515 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6516 | return -1; |
6517 | } | |
b7cfce93 MK |
6518 | |
6519 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6520 | ||
5e06422c | 6521 | /* delete and uninstall all rmacs */ |
996c9314 | 6522 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6523 | zl3vni); |
6524 | ||
6525 | /* delete and uninstall all next-hops */ | |
996c9314 | 6526 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6527 | zl3vni); |
6528 | ||
b7cfce93 MK |
6529 | zvrf->l3vni = 0; |
6530 | zl3vni_del(zl3vni); | |
6531 | ||
6532 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6533 | } |
b7cfce93 MK |
6534 | return 0; |
6535 | } | |
13d60d35 | 6536 | |
84915b0a | 6537 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6538 | { | |
6539 | zebra_l3vni_t *zl3vni = NULL; | |
6540 | ||
6541 | if (zvrf->l3vni) | |
6542 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6543 | if (!zl3vni) | |
6544 | return 0; | |
6545 | ||
6546 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6547 | if (is_l3vni_oper_up(zl3vni)) | |
6548 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6549 | return 0; | |
6550 | } | |
6551 | ||
6552 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6553 | { |
6554 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6555 | |
84915b0a | 6556 | if (zvrf->l3vni) |
6557 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6558 | if (!zl3vni) |
d62a17ae | 6559 | return 0; |
13d60d35 | 6560 | |
84915b0a | 6561 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6562 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6563 | return 0; |
6564 | } | |
6565 | ||
6566 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6567 | { | |
6568 | zebra_l3vni_t *zl3vni = NULL; | |
6569 | vni_t vni; | |
6570 | ||
6571 | if (zvrf->l3vni) | |
6572 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6573 | if (!zl3vni) | |
6574 | return 0; | |
6575 | ||
6576 | vni = zl3vni->vni; | |
b7cfce93 | 6577 | zl3vni_del(zl3vni); |
84915b0a | 6578 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6579 | |
d62a17ae | 6580 | return 0; |
13d60d35 | 6581 | } |
6582 | ||
31310b25 MK |
6583 | /* |
6584 | * Handle message from client to enable/disable advertisement of g/w macip | |
6585 | * routes | |
6586 | */ | |
89f4e507 | 6587 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6588 | { |
6589 | struct stream *s; | |
6590 | int advertise; | |
6591 | vni_t vni = 0; | |
6592 | zebra_vni_t *zvni = NULL; | |
6593 | struct interface *ifp = NULL; | |
6594 | struct zebra_if *zif = NULL; | |
6595 | struct zebra_l2info_vxlan zl2_info; | |
6596 | struct interface *vlan_if = NULL; | |
6597 | ||
6598 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
6599 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6600 | zvrf_id(zvrf)); | |
8068a649 | 6601 | return; |
31310b25 MK |
6602 | } |
6603 | ||
1002497a | 6604 | s = msg; |
31310b25 MK |
6605 | advertise = stream_getc(s); |
6606 | vni = stream_get3(s); | |
6607 | ||
6608 | zvni = zvni_lookup(vni); | |
6609 | if (!zvni) | |
8068a649 | 6610 | return; |
31310b25 MK |
6611 | |
6612 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6613 | return; |
31310b25 MK |
6614 | |
6615 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6616 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6617 | advertise ? "enabled" : "disabled", vni, | |
6618 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6619 | |
6620 | ||
6621 | zvni->advertise_subnet = advertise; | |
6622 | ||
6623 | ifp = zvni->vxlan_if; | |
6624 | if (!ifp) | |
8068a649 | 6625 | return; |
31310b25 MK |
6626 | |
6627 | zif = ifp->info; | |
6628 | ||
6629 | /* If down or not mapped to a bridge, we're done. */ | |
6630 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6631 | return; |
31310b25 MK |
6632 | |
6633 | zl2_info = zif->l2info.vxl; | |
6634 | ||
996c9314 LB |
6635 | vlan_if = |
6636 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6637 | if (!vlan_if) |
8068a649 | 6638 | return; |
31310b25 MK |
6639 | |
6640 | if (zvni->advertise_subnet) | |
6641 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6642 | else | |
6643 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
31310b25 MK |
6644 | } |
6645 | ||
1a98c087 MK |
6646 | /* |
6647 | * Handle message from client to enable/disable advertisement of g/w macip | |
6648 | * routes | |
6649 | */ | |
89f4e507 | 6650 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6651 | { |
6652 | struct stream *s; | |
6653 | int advertise; | |
6654 | vni_t vni = 0; | |
6655 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6656 | struct interface *ifp = NULL; |
1a98c087 | 6657 | |
2853fed6 | 6658 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
6659 | zlog_err("EVPN GW-MACIP Adv for non-default VRF %u", | |
6660 | zvrf_id(zvrf)); | |
8068a649 | 6661 | return; |
2853fed6 | 6662 | } |
6663 | ||
1002497a | 6664 | s = msg; |
ec93aa12 DS |
6665 | STREAM_GETC(s, advertise); |
6666 | STREAM_GET(&vni, s, 3); | |
1a98c087 MK |
6667 | |
6668 | if (!vni) { | |
6669 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6670 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6671 | advertise ? "enabled" : "disabled", |
2853fed6 | 6672 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6673 | ? "enabled" |
6674 | : "disabled"); | |
6675 | ||
6676 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6677 | return; |
1a98c087 MK |
6678 | |
6679 | zvrf->advertise_gw_macip = advertise; | |
6680 | ||
2853fed6 | 6681 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6682 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6683 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6684 | else |
6685 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6686 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6687 | |
6688 | } else { | |
6689 | struct zebra_if *zif = NULL; | |
6690 | struct zebra_l2info_vxlan zl2_info; | |
6691 | struct interface *vlan_if = NULL; | |
6692 | struct interface *vrr_if = NULL; | |
6693 | ||
01a6143b MK |
6694 | zvni = zvni_lookup(vni); |
6695 | if (!zvni) | |
124ead27 | 6696 | return; |
01a6143b | 6697 | |
1a98c087 MK |
6698 | if (IS_ZEBRA_DEBUG_VXLAN) |
6699 | zlog_debug( | |
2853fed6 | 6700 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6701 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6702 | advertise_gw_macip_enabled(zvni) ? "enabled" |
6703 | : "disabled"); | |
1a98c087 | 6704 | |
1a98c087 | 6705 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 6706 | return; |
1a98c087 MK |
6707 | |
6708 | zvni->advertise_gw_macip = advertise; | |
6709 | ||
b5ebdc9b | 6710 | ifp = zvni->vxlan_if; |
6711 | if (!ifp) | |
8068a649 | 6712 | return; |
b5ebdc9b | 6713 | |
6714 | zif = ifp->info; | |
6715 | ||
6716 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6717 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 6718 | return; |
b5ebdc9b | 6719 | |
1a98c087 MK |
6720 | zl2_info = zif->l2info.vxl; |
6721 | ||
2853fed6 | 6722 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6723 | zif->brslave_info.br_if); |
6724 | if (!vlan_if) | |
8068a649 | 6725 | return; |
1a98c087 | 6726 | |
2853fed6 | 6727 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6728 | /* Add primary SVI MAC-IP */ |
6729 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6730 | ||
6731 | /* Add VRR MAC-IP - if any*/ | |
6732 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6733 | if (vrr_if) | |
6734 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6735 | } else { | |
6736 | /* Del primary MAC-IP */ | |
6737 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6738 | ||
6739 | /* Del VRR MAC-IP - if any*/ | |
6740 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6741 | if (vrr_if) | |
6742 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6743 | } | |
6744 | } | |
6745 | ||
ec93aa12 | 6746 | stream_failure: |
8068a649 | 6747 | return; |
1a98c087 MK |
6748 | } |
6749 | ||
6750 | ||
13d60d35 | 6751 | /* |
6752 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6753 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6754 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6755 | * uninstalled from the kernel. | |
6756 | */ | |
89f4e507 | 6757 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 6758 | { |
655b04d1 MK |
6759 | struct stream *s = NULL; |
6760 | int advertise = 0; | |
6761 | struct zebra_ns *zns = NULL; | |
13d60d35 | 6762 | |
2853fed6 | 6763 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
996c9314 | 6764 | zlog_err("EVPN VNI Adv for non-default VRF %u", zvrf_id(zvrf)); |
8068a649 | 6765 | return; |
2853fed6 | 6766 | } |
6767 | ||
1002497a | 6768 | s = msg; |
ec93aa12 | 6769 | STREAM_GETC(s, advertise); |
13d60d35 | 6770 | |
d62a17ae | 6771 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6772 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6773 | advertise ? "enabled" : "disabled", |
2853fed6 | 6774 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6775 | |
d62a17ae | 6776 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 6777 | return; |
13d60d35 | 6778 | |
d62a17ae | 6779 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6780 | if (is_evpn_enabled()) { |
d62a17ae | 6781 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6782 | zvni_build_hash_table(); |
2232a77c | 6783 | |
1a98c087 MK |
6784 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6785 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6786 | NULL); |
1a98c087 | 6787 | |
d62a17ae | 6788 | /* Read the MAC FDB */ |
6789 | macfdb_read(zvrf->zns); | |
2232a77c | 6790 | |
d62a17ae | 6791 | /* Read neighbors */ |
6792 | neigh_read(zvrf->zns); | |
6793 | } else { | |
6794 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6795 | * kernel and free entries. | |
6796 | */ | |
6797 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
6798 | |
6799 | /* cleanup all l3vnis */ | |
6800 | zns = zebra_ns_lookup(NS_DEFAULT); | |
6801 | if (!zns) | |
8068a649 | 6802 | return; |
655b04d1 MK |
6803 | |
6804 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 6805 | } |
13d60d35 | 6806 | |
ec93aa12 | 6807 | stream_failure: |
8068a649 | 6808 | return; |
13d60d35 | 6809 | } |
6810 | ||
6811 | /* | |
6812 | * Allocate VNI hash table for this VRF and do other initialization. | |
6813 | * NOTE: Currently supported only for default VRF. | |
6814 | */ | |
d62a17ae | 6815 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6816 | { |
d62a17ae | 6817 | if (!zvrf) |
6818 | return; | |
6819 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6820 | "Zebra VRF VNI Table"); | |
13d60d35 | 6821 | } |
6822 | ||
84915b0a | 6823 | /* Cleanup VNI info, but don't free the table. */ |
6824 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
6825 | { | |
6826 | if (!zvrf) | |
6827 | return; | |
6828 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
6829 | } | |
6830 | ||
13d60d35 | 6831 | /* Close all VNI handling */ |
d62a17ae | 6832 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6833 | { |
2853fed6 | 6834 | if (!zvrf) |
6835 | return; | |
d62a17ae | 6836 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6837 | hash_free(zvrf->vni_table); |
13d60d35 | 6838 | } |
b7cfce93 MK |
6839 | |
6840 | /* init the l3vni table */ | |
6841 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6842 | { | |
6843 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6844 | "Zebra VRF L3 VNI table"); | |
6845 | } | |
6846 | ||
6847 | /* free l3vni table */ | |
6848 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6849 | { | |
6850 | hash_free(zns->l3vni_table); | |
6851 | } | |
d3135ba3 | 6852 | |
6853 | /* get the l3vni svi ifindex */ | |
6854 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6855 | { | |
6856 | zebra_l3vni_t *zl3vni = NULL; | |
6857 | ||
6858 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6859 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6860 | return 0; | |
6861 | ||
6862 | return zl3vni->svi_if->ifindex; | |
6863 | } |