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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 | ||
43e52561 | 25 | #include "hash.h" |
13d60d35 | 26 | #include "if.h" |
43e52561 | 27 | #include "jhash.h" |
13d60d35 | 28 | #include "linklist.h" |
43e52561 QY |
29 | #include "log.h" |
30 | #include "memory.h" | |
31 | #include "prefix.h" | |
13d60d35 | 32 | #include "stream.h" |
43e52561 | 33 | #include "table.h" |
13d60d35 | 34 | #include "vlan.h" |
35 | #include "vxlan.h" | |
68e33151 CS |
36 | #ifdef GNU_LINUX |
37 | #include <linux/neighbour.h> | |
38 | #endif | |
13d60d35 | 39 | |
43e52561 QY |
40 | #include "zebra/debug.h" |
41 | #include "zebra/interface.h" | |
13d60d35 | 42 | #include "zebra/rib.h" |
43 | #include "zebra/rt.h" | |
43e52561 QY |
44 | #include "zebra/rt_netlink.h" |
45 | #include "zebra/zebra_errors.h" | |
46 | #include "zebra/zebra_l2.h" | |
47 | #include "zebra/zebra_memory.h" | |
13d60d35 | 48 | #include "zebra/zebra_ns.h" |
13d60d35 | 49 | #include "zebra/zebra_vrf.h" |
13d60d35 | 50 | #include "zebra/zebra_vxlan.h" |
43e52561 QY |
51 | #include "zebra/zebra_vxlan_private.h" |
52 | #include "zebra/zserv.h" | |
13d60d35 | 53 | |
6134fd82 | 54 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 55 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 58 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
59 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 60 | |
61 | /* definitions */ | |
62 | ||
13d60d35 | 63 | /* static function declarations */ |
996c9314 LB |
64 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
65 | uint16_t cmd); | |
cd233079 | 66 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 67 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
68 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 69 | void **args); |
c0e519d3 MK |
70 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
71 | json_object *json); | |
316f4ca4 MK |
72 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
73 | json_object *json); | |
d62a17ae | 74 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
75 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
76 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
77 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
78 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 79 | |
996c9314 | 80 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a QY |
81 | struct ipaddr *ip, uint8_t flags, |
82 | uint16_t cmd); | |
d62a17ae | 83 | static unsigned int neigh_hash_keymake(void *p); |
84 | static int neigh_cmp(const void *p1, const void *p2); | |
85 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
86 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
87 | struct ethaddr *mac); | |
d62a17ae | 88 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 89 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
90 | struct in_addr *r_vtep_ip); | |
996c9314 | 91 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 92 | uint32_t flags); |
d62a17ae | 93 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 94 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
95 | struct ethaddr *macaddr, |
96 | uint8_t flags); | |
996c9314 | 97 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
98 | struct ethaddr *macaddr, |
99 | uint8_t flags); | |
d62a17ae | 100 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
101 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 102 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
103 | struct interface *br_if); |
104 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 105 | |
b7cfce93 | 106 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 107 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
108 | struct ipaddr *ip); |
109 | static void *zl3vni_nh_alloc(void *p); | |
110 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
111 | struct ipaddr *vtep_ip, | |
112 | struct ethaddr *rmac); | |
113 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
114 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 115 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
116 | |
117 | /* l3-vni rmac related APIs */ | |
118 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
2dbad57f | 119 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
120 | struct ethaddr *rmac); |
121 | static void *zl3vni_rmac_alloc(void *p); | |
122 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
123 | struct ethaddr *rmac); | |
124 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
125 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 126 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
127 | |
128 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
129 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
130 | static void *zl3vni_alloc(void *p); | |
131 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
132 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
133 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
134 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
135 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
136 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
137 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
138 | ||
d62a17ae | 139 | static unsigned int mac_hash_keymake(void *p); |
140 | static int mac_cmp(const void *p1, const void *p2); | |
141 | static void *zvni_mac_alloc(void *p); | |
142 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
143 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 144 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
145 | struct in_addr *r_vtep_ip); | |
996c9314 | 146 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 147 | uint32_t flags); |
d62a17ae | 148 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 149 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 150 | uint8_t flags); |
996c9314 | 151 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 152 | uint8_t flags); |
d62a17ae | 153 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
154 | struct interface *br_if, vlanid_t vid); | |
155 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
156 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
157 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
158 | ||
159 | static unsigned int vni_hash_keymake(void *p); | |
160 | static int vni_hash_cmp(const void *p1, const void *p2); | |
161 | static void *zvni_alloc(void *p); | |
2853fed6 | 162 | static zebra_vni_t *zvni_lookup(vni_t vni); |
163 | static zebra_vni_t *zvni_add(vni_t vni); | |
164 | static int zvni_del(zebra_vni_t *zvni); | |
165 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
166 | static int zvni_send_del_to_client(vni_t vni); | |
167 | static void zvni_build_hash_table(); | |
d62a17ae | 168 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
169 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
170 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
171 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
172 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
173 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
174 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
175 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
176 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
177 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
178 | struct ethaddr *macaddr, struct ipaddr *ip); | |
179 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
180 | struct ipaddr *ip); | |
181 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 182 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
183 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
184 | int uninstall); | |
13d60d35 | 185 | |
186 | /* Private functions */ | |
5e1b0650 | 187 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 188 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
189 | { |
190 | if (hle1->p.family < hle2->p.family) | |
191 | return -1; | |
192 | ||
193 | if (hle1->p.family > hle2->p.family) | |
194 | return 1; | |
195 | ||
196 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
197 | return -1; | |
198 | ||
199 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
200 | return 1; | |
201 | ||
202 | if (hle1->p.family == AF_INET) { | |
203 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
204 | return -1; | |
205 | ||
206 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
207 | return 1; | |
208 | ||
209 | return 0; | |
210 | } else { | |
211 | zlog_warn("%s: Unexpected family type: %d", __PRETTY_FUNCTION__, | |
212 | hle1->p.family); | |
213 | return 0; | |
214 | } | |
215 | } | |
85442b09 | 216 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 217 | |
85442b09 | 218 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
219 | { |
220 | struct host_rb_entry *hle; | |
221 | uint32_t count = 0; | |
222 | ||
85442b09 | 223 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
224 | count++; |
225 | ||
226 | return count; | |
227 | } | |
13d60d35 | 228 | |
790f8dc5 | 229 | /* |
230 | * Return number of valid MACs in a VNI's MAC hash table - all | |
231 | * remote MACs and non-internal (auto) local MACs count. | |
232 | */ | |
d7c0a89a | 233 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 234 | { |
235 | unsigned int i; | |
d7c0a89a | 236 | uint32_t num_macs = 0; |
790f8dc5 | 237 | struct hash *hash; |
238 | struct hash_backet *hb; | |
239 | zebra_mac_t *mac; | |
240 | ||
241 | hash = zvni->mac_table; | |
242 | if (!hash) | |
243 | return num_macs; | |
244 | for (i = 0; i < hash->size; i++) { | |
245 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
246 | mac = (zebra_mac_t *)hb->data; | |
247 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 248 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 249 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
250 | num_macs++; | |
251 | } | |
252 | } | |
253 | ||
254 | return num_macs; | |
255 | } | |
256 | ||
2853fed6 | 257 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 258 | { |
2853fed6 | 259 | struct zebra_vrf *zvrf; |
260 | ||
261 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
262 | if (zvrf && zvrf->advertise_gw_macip) |
263 | return 1; | |
264 | ||
265 | if (zvni && zvni->advertise_gw_macip) | |
266 | return 1; | |
267 | ||
268 | return 0; | |
269 | } | |
270 | ||
cec2e17d | 271 | /* |
272 | * Helper function to determine maximum width of neighbor IP address for | |
273 | * display - just because we're dealing with IPv6 addresses that can | |
274 | * widely vary. | |
275 | */ | |
d62a17ae | 276 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 277 | { |
d62a17ae | 278 | zebra_neigh_t *n; |
279 | char buf[INET6_ADDRSTRLEN]; | |
280 | struct neigh_walk_ctx *wctx = ctxt; | |
281 | int width; | |
cec2e17d | 282 | |
d62a17ae | 283 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 284 | |
d62a17ae | 285 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
286 | if (width > wctx->addr_width) | |
287 | wctx->addr_width = width; | |
68e33151 | 288 | |
cec2e17d | 289 | } |
290 | ||
291 | /* | |
292 | * Print a specific neighbor entry. | |
293 | */ | |
cd233079 | 294 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 295 | { |
d62a17ae | 296 | struct vty *vty; |
297 | char buf1[ETHER_ADDR_STRLEN]; | |
298 | char buf2[INET6_ADDRSTRLEN]; | |
cec2e17d | 299 | |
cd233079 CS |
300 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
301 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
302 | vty = (struct vty *)ctxt; | |
303 | if (json == NULL) { | |
304 | vty_out(vty, "IP: %s\n", | |
305 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
306 | vty_out(vty, " MAC: %s", | |
307 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
308 | } else { | |
309 | json_object_string_add(json, "ip", buf2); | |
310 | json_object_string_add(json, "mac", buf1); | |
311 | } | |
312 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 313 | if (json == NULL) { |
cd233079 CS |
314 | vty_out(vty, " Remote VTEP: %s", |
315 | inet_ntoa(n->r_vtep_ip)); | |
b6938a74 | 316 | } else |
cd233079 CS |
317 | json_object_string_add(json, "remoteVtep", |
318 | inet_ntoa(n->r_vtep_ip)); | |
319 | } | |
f51d8a27 MK |
320 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
321 | if (!json) { | |
322 | vty_out(vty, "\n"); | |
323 | vty_out(vty, " State: %s", | |
324 | IS_ZEBRA_NEIGH_ACTIVE(n) ? "Active" | |
325 | : "Inactive"); | |
326 | } | |
327 | } | |
ead40654 MK |
328 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
329 | if (!json) | |
330 | vty_out(vty, " Default-gateway"); | |
331 | else | |
332 | json_object_boolean_true_add(json, "defaultGateway"); | |
333 | } | |
68e33151 CS |
334 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
335 | if (!json) | |
336 | vty_out(vty, " Router"); | |
337 | } | |
cd233079 CS |
338 | if (json == NULL) |
339 | vty_out(vty, "\n"); | |
cec2e17d | 340 | } |
341 | ||
342 | /* | |
343 | * Print neighbor hash entry - called for display of all neighbors. | |
344 | */ | |
d62a17ae | 345 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
346 | { | |
347 | struct vty *vty; | |
cd233079 | 348 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 349 | zebra_neigh_t *n; |
350 | char buf1[ETHER_ADDR_STRLEN]; | |
351 | char buf2[INET6_ADDRSTRLEN]; | |
352 | struct neigh_walk_ctx *wctx = ctxt; | |
353 | ||
354 | vty = wctx->vty; | |
cd233079 | 355 | json_vni = wctx->json; |
d62a17ae | 356 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 357 | |
cd233079 CS |
358 | if (json_vni) |
359 | json_row = json_object_new_object(); | |
360 | ||
d62a17ae | 361 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
362 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
363 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) | |
364 | && !(wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP)) { | |
cd233079 CS |
365 | if (json_vni == NULL) { |
366 | vty_out(vty, "%*s %-6s %-17s\n", -wctx->addr_width, | |
367 | buf2, "local", buf1); | |
368 | } else { | |
369 | json_object_string_add(json_row, "type", "local"); | |
370 | json_object_string_add(json_row, "mac", buf1); | |
371 | } | |
d62a17ae | 372 | wctx->count++; |
373 | } else { | |
374 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) { | |
375 | if (IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) { | |
cd233079 CS |
376 | if (json_vni == NULL) { |
377 | if (wctx->count == 0) | |
378 | vty_out(vty, | |
379 | "%*s %-6s %-17s %-21s\n", | |
380 | -wctx->addr_width, | |
381 | "Neighbor", "Type", | |
382 | "MAC", "Remote VTEP"); | |
d62a17ae | 383 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
cd233079 CS |
384 | -wctx->addr_width, buf2, |
385 | "remote", buf1, | |
386 | inet_ntoa(n->r_vtep_ip)); | |
387 | } else { | |
388 | json_object_string_add(json_row, "type", | |
389 | "remote"); | |
390 | json_object_string_add(json_row, "mac", | |
391 | buf1); | |
392 | json_object_string_add( | |
393 | json_row, "remoteVtep", | |
394 | inet_ntoa(n->r_vtep_ip)); | |
395 | } | |
396 | wctx->count++; | |
397 | } | |
398 | } else { | |
399 | if (json_vni == NULL) { | |
d62a17ae | 400 | vty_out(vty, "%*s %-6s %-17s %-21s\n", |
401 | -wctx->addr_width, buf2, "remote", buf1, | |
402 | inet_ntoa(n->r_vtep_ip)); | |
cd233079 CS |
403 | } else { |
404 | json_object_string_add(json_row, "type", | |
405 | "remote"); | |
406 | json_object_string_add(json_row, "mac", buf1); | |
407 | json_object_string_add(json_row, "remoteVtep", | |
408 | inet_ntoa(n->r_vtep_ip)); | |
d62a17ae | 409 | } |
d62a17ae | 410 | wctx->count++; |
411 | } | |
412 | } | |
cd233079 CS |
413 | |
414 | if (json_vni) | |
415 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 416 | } |
417 | ||
418 | /* | |
419 | * Print neighbors for all VNI. | |
420 | */ | |
d62a17ae | 421 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 422 | void **args) |
cec2e17d | 423 | { |
d62a17ae | 424 | struct vty *vty; |
cd233079 | 425 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 426 | zebra_vni_t *zvni; |
d7c0a89a | 427 | uint32_t num_neigh; |
d62a17ae | 428 | struct neigh_walk_ctx wctx; |
cd233079 CS |
429 | char vni_str[VNI_STR_LEN]; |
430 | ||
431 | vty = (struct vty *)args[0]; | |
432 | json = (json_object *)args[1]; | |
cec2e17d | 433 | |
d62a17ae | 434 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 435 | |
d62a17ae | 436 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 437 | if (json == NULL) { |
cd233079 CS |
438 | vty_out(vty, |
439 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
440 | zvni->vni, num_neigh); | |
68e33151 | 441 | } else { |
cd233079 CS |
442 | json_vni = json_object_new_object(); |
443 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
444 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
445 | } | |
446 | if (!num_neigh) { | |
447 | if (json) | |
448 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 449 | return; |
cd233079 | 450 | } |
cec2e17d | 451 | |
d62a17ae | 452 | /* Since we have IPv6 addresses to deal with which can vary widely in |
453 | * size, we try to be a bit more elegant in display by first computing | |
454 | * the maximum width. | |
455 | */ | |
456 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
457 | wctx.zvni = zvni; | |
458 | wctx.vty = vty; | |
459 | wctx.addr_width = 15; | |
cd233079 | 460 | wctx.json = json_vni; |
d62a17ae | 461 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 462 | |
68e33151 | 463 | if (json == NULL) { |
cd233079 CS |
464 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", |
465 | "Type", "MAC", "Remote VTEP"); | |
68e33151 | 466 | } |
d62a17ae | 467 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
468 | |
469 | if (json) | |
470 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 471 | } |
472 | ||
9aa741ea | 473 | /* print a specific next hop for an l3vni */ |
996c9314 | 474 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 475 | json_object *json) |
9aa741ea MK |
476 | { |
477 | char buf1[ETHER_ADDR_STRLEN]; | |
478 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 479 | json_object *json_hosts = NULL; |
f2a503f0 | 480 | struct host_rb_entry *hle; |
9aa741ea | 481 | |
c0e519d3 MK |
482 | if (!json) { |
483 | vty_out(vty, "Ip: %s\n", | |
484 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
485 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 486 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
487 | vty_out(vty, " Refcount: %d\n", |
488 | rb_host_count(&n->host_rb)); | |
4cce389e | 489 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 490 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 491 | vty_out(vty, " %s\n", |
f2a503f0 | 492 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
493 | } else { |
494 | json_hosts = json_object_new_array(); | |
996c9314 LB |
495 | json_object_string_add( |
496 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
497 | json_object_string_add( | |
498 | json, "routerMac", | |
499 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
500 | json_object_int_add(json, "refCount", |
501 | rb_host_count(&n->host_rb)); | |
85442b09 | 502 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 503 | json_object_array_add(json_hosts, |
996c9314 | 504 | json_object_new_string(prefix2str( |
f2a503f0 | 505 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 506 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 507 | } |
9aa741ea MK |
508 | } |
509 | ||
510 | /* Print a specific RMAC entry */ | |
996c9314 | 511 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 512 | json_object *json) |
9aa741ea MK |
513 | { |
514 | char buf1[ETHER_ADDR_STRLEN]; | |
515 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 516 | json_object *json_hosts = NULL; |
5e1b0650 | 517 | struct host_rb_entry *hle; |
9aa741ea | 518 | |
316f4ca4 MK |
519 | if (!json) { |
520 | vty_out(vty, "MAC: %s\n", | |
521 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
522 | vty_out(vty, " Remote VTEP: %s\n", | |
523 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 524 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 525 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 526 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 527 | vty_out(vty, " %s\n", |
5e1b0650 | 528 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
529 | } else { |
530 | json_hosts = json_object_new_array(); | |
996c9314 LB |
531 | json_object_string_add( |
532 | json, "routerMac", | |
533 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 534 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 535 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
536 | json_object_int_add(json, "refCount", |
537 | rb_host_count(&zrmac->host_rb)); | |
85442b09 | 538 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
539 | json_object_array_add( |
540 | json_hosts, | |
541 | json_object_new_string(prefix2str( | |
542 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 543 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 544 | } |
9aa741ea MK |
545 | } |
546 | ||
cec2e17d | 547 | /* |
548 | * Print a specific MAC entry. | |
549 | */ | |
d62a17ae | 550 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
551 | { | |
552 | struct vty *vty; | |
b6938a74 MK |
553 | zebra_neigh_t *n = NULL; |
554 | struct listnode *node = NULL; | |
d62a17ae | 555 | char buf1[20]; |
b6938a74 | 556 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 557 | |
558 | vty = (struct vty *)ctxt; | |
559 | vty_out(vty, "MAC: %s", | |
560 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
561 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
562 | struct zebra_ns *zns; | |
563 | struct interface *ifp; | |
564 | ifindex_t ifindex; | |
565 | ||
566 | ifindex = mac->fwd_info.local.ifindex; | |
567 | zns = zebra_ns_lookup(NS_DEFAULT); | |
568 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
569 | if (!ifp) // unexpected | |
570 | return; | |
571 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
572 | if (mac->fwd_info.local.vid) | |
573 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 574 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 575 | vty_out(vty, " Remote VTEP: %s", |
576 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
577 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
578 | vty_out(vty, " Auto Mac "); | |
579 | } | |
b6938a74 | 580 | |
ead40654 MK |
581 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
582 | vty_out(vty, " Sticky Mac "); | |
583 | ||
584 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
585 | vty_out(vty, " Default-gateway Mac "); | |
586 | ||
51f4dab4 AK |
587 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
588 | vty_out(vty, " Remote-gateway Mac "); | |
589 | ||
0a97666d | 590 | vty_out(vty, "\n"); |
b6938a74 MK |
591 | /* print all the associated neigh */ |
592 | vty_out(vty, " Neighbors:\n"); | |
593 | if (!listcount(mac->neigh_list)) | |
594 | vty_out(vty, " No Neighbors\n"); | |
595 | else { | |
596 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
597 | vty_out(vty, " %s %s\n", | |
598 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
599 | CHECK_FLAG(n->flags, ZEBRA_MAC_LOCAL) | |
600 | ? (IS_ZEBRA_NEIGH_ACTIVE(n) | |
601 | ? "Active" | |
602 | : "Inactive") | |
603 | : ""); | |
604 | } | |
d62a17ae | 605 | } |
b6938a74 | 606 | |
d62a17ae | 607 | vty_out(vty, "\n"); |
cec2e17d | 608 | } |
609 | ||
610 | /* | |
611 | * Print MAC hash entry - called for display of all MACs. | |
612 | */ | |
d62a17ae | 613 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
614 | { | |
615 | struct vty *vty; | |
cd233079 | 616 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 617 | zebra_mac_t *mac; |
618 | char buf1[20]; | |
619 | struct mac_walk_ctx *wctx = ctxt; | |
620 | ||
621 | vty = wctx->vty; | |
cd233079 | 622 | json_mac_hdr = wctx->json; |
d62a17ae | 623 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 624 | |
625 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
626 | |
627 | if (json_mac_hdr) | |
628 | json_mac = json_object_new_object(); | |
629 | ||
d62a17ae | 630 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
631 | && !(wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP)) { | |
632 | struct zebra_ns *zns; | |
633 | ifindex_t ifindex; | |
634 | struct interface *ifp; | |
635 | vlanid_t vid; | |
636 | ||
637 | zns = zebra_ns_lookup(NS_DEFAULT); | |
638 | ifindex = mac->fwd_info.local.ifindex; | |
639 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
640 | if (!ifp) // unexpected | |
641 | return; | |
642 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
643 | if (json_mac_hdr == NULL) |
644 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
645 | ifp->name); | |
646 | else { | |
647 | json_object_string_add(json_mac, "type", "local"); | |
648 | json_object_string_add(json_mac, "intf", ifp->name); | |
649 | } | |
650 | if (vid) { | |
651 | if (json_mac_hdr == NULL) | |
652 | vty_out(vty, " %-5u", vid); | |
653 | else | |
654 | json_object_int_add(json_mac, "vlan", vid); | |
655 | } | |
656 | if (json_mac_hdr == NULL) | |
657 | vty_out(vty, "\n"); | |
658 | else | |
659 | json_object_object_add(json_mac_hdr, buf1, json_mac); | |
d62a17ae | 660 | wctx->count++; |
b6938a74 | 661 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 662 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) { |
663 | if (IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
664 | &wctx->r_vtep_ip)) { | |
665 | if (wctx->count == 0) { | |
cd233079 CS |
666 | if (json_mac_hdr == NULL) { |
667 | vty_out(vty, "\nVNI %u\n\n", | |
668 | wctx->zvni->vni); | |
669 | vty_out(vty, | |
670 | "%-17s %-6s %-21s %-5s\n", | |
671 | "MAC", "Type", | |
672 | "Intf/Remote VTEP", | |
673 | "VLAN"); | |
674 | } | |
675 | } | |
676 | if (json_mac_hdr == NULL) | |
677 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
678 | "remote", | |
679 | inet_ntoa(mac->fwd_info | |
680 | .r_vtep_ip)); | |
681 | else { | |
682 | json_object_string_add(json_mac, "type", | |
683 | "remote"); | |
684 | json_object_string_add( | |
685 | json_mac, "remoteVtep", | |
686 | inet_ntoa(mac->fwd_info | |
687 | .r_vtep_ip)); | |
688 | json_object_object_add(json_mac_hdr, | |
689 | buf1, json_mac); | |
d62a17ae | 690 | } |
d62a17ae | 691 | wctx->count++; |
692 | } | |
693 | } else { | |
cd233079 CS |
694 | if (json_mac_hdr == NULL) |
695 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, | |
696 | "remote", | |
697 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
698 | else { | |
699 | json_object_string_add(json_mac, "type", | |
700 | "remote"); | |
701 | json_object_string_add( | |
702 | json_mac, "remoteVtep", | |
703 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
704 | json_object_object_add(json_mac_hdr, buf1, | |
705 | json_mac); | |
706 | } | |
d62a17ae | 707 | wctx->count++; |
708 | } | |
709 | } | |
cec2e17d | 710 | } |
711 | ||
712 | /* | |
713 | * Print MACs for all VNI. | |
714 | */ | |
d62a17ae | 715 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 716 | { |
d62a17ae | 717 | struct vty *vty; |
cd233079 CS |
718 | json_object *json = NULL, *json_vni = NULL; |
719 | json_object *json_mac = NULL; | |
d62a17ae | 720 | zebra_vni_t *zvni; |
d7c0a89a | 721 | uint32_t num_macs; |
d62a17ae | 722 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 723 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 724 | |
d62a17ae | 725 | vty = (struct vty *)wctx->vty; |
cd233079 | 726 | json = (struct json_object *)wctx->json; |
cec2e17d | 727 | |
d62a17ae | 728 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 729 | wctx->zvni = zvni; |
cec2e17d | 730 | |
d62a17ae | 731 | /*We are iterating over a new VNI, set the count to 0*/ |
732 | wctx->count = 0; | |
cec2e17d | 733 | |
790f8dc5 | 734 | num_macs = num_valid_macs(zvni); |
d62a17ae | 735 | if (!num_macs) |
736 | return; | |
cd233079 CS |
737 | |
738 | if (json) { | |
739 | json_vni = json_object_new_object(); | |
740 | json_mac = json_object_new_object(); | |
741 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 742 | } |
cec2e17d | 743 | |
cd233079 CS |
744 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
745 | if (json == NULL) { | |
746 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
747 | zvni->vni, num_macs); | |
748 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
749 | "Intf/Remote VTEP", "VLAN"); | |
750 | } else | |
751 | json_object_int_add(json_vni, "numMacs", num_macs); | |
752 | } | |
753 | /* assign per-vni to wctx->json object to fill macs | |
754 | * under the vni. Re-assign primary json object to fill | |
755 | * next vni information. | |
756 | */ | |
757 | wctx->json = json_mac; | |
d62a17ae | 758 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
759 | wctx->json = json; |
760 | if (json) { | |
761 | if (wctx->count) | |
762 | json_object_object_add(json_vni, "macs", json_mac); | |
763 | json_object_object_add(json, vni_str, json_vni); | |
764 | } | |
cec2e17d | 765 | } |
766 | ||
996c9314 | 767 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
768 | { |
769 | struct nh_walk_ctx *wctx = NULL; | |
770 | struct vty *vty = NULL; | |
32798965 | 771 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
772 | struct json_object *json_nh = NULL; |
773 | zebra_neigh_t *n = NULL; | |
774 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 775 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
776 | |
777 | wctx = (struct nh_walk_ctx *)ctx; | |
778 | vty = wctx->vty; | |
32798965 MK |
779 | json_vni = wctx->json; |
780 | if (json_vni) | |
b7cfce93 MK |
781 | json_nh = json_object_new_object(); |
782 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 783 | |
32798965 | 784 | if (!json_vni) { |
4cce389e | 785 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 786 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 787 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 788 | } else { |
4cce389e | 789 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 790 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
791 | json_object_string_add( |
792 | json_nh, "routerMac", | |
793 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
794 | json_object_object_add(json_vni, |
795 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
796 | json_nh); | |
b7cfce93 MK |
797 | } |
798 | } | |
799 | ||
2dbad57f | 800 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 801 | void **args) |
2dbad57f | 802 | { |
803 | struct vty *vty = NULL; | |
804 | json_object *json = NULL; | |
805 | json_object *json_vni = NULL; | |
2dbad57f | 806 | zebra_l3vni_t *zl3vni = NULL; |
807 | uint32_t num_nh = 0; | |
32798965 | 808 | struct nh_walk_ctx wctx; |
2dbad57f | 809 | char vni_str[VNI_STR_LEN]; |
810 | ||
32798965 MK |
811 | vty = (struct vty *)args[0]; |
812 | json = (struct json_object *)args[1]; | |
2dbad57f | 813 | |
814 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 815 | |
816 | num_nh = hashcount(zl3vni->nh_table); | |
817 | if (!num_nh) | |
818 | return; | |
819 | ||
820 | if (json) { | |
821 | json_vni = json_object_new_object(); | |
2dbad57f | 822 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
823 | } | |
824 | ||
825 | if (json == NULL) { | |
996c9314 | 826 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 827 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 828 | } else |
4cce389e | 829 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 830 | |
32798965 MK |
831 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
832 | wctx.vty = vty; | |
833 | wctx.json = json_vni; | |
834 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
835 | if (json) | |
2dbad57f | 836 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 837 | } |
838 | ||
b7cfce93 | 839 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 840 | void **args) |
b7cfce93 MK |
841 | { |
842 | struct vty *vty = NULL; | |
843 | json_object *json = NULL; | |
844 | json_object *json_vni = NULL; | |
b7cfce93 | 845 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 846 | uint32_t num_rmacs; |
c0b4eaa4 | 847 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
848 | char vni_str[VNI_STR_LEN]; |
849 | ||
c0b4eaa4 MK |
850 | vty = (struct vty *)args[0]; |
851 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
852 | |
853 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
854 | |
855 | num_rmacs = hashcount(zl3vni->rmac_table); | |
856 | if (!num_rmacs) | |
857 | return; | |
858 | ||
859 | if (json) { | |
860 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
861 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
862 | } | |
863 | ||
864 | if (json == NULL) { | |
996c9314 | 865 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 866 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
867 | } else |
868 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
869 | ||
870 | /* assign per-vni to wctx->json object to fill macs | |
871 | * under the vni. Re-assign primary json object to fill | |
872 | * next vni information. | |
873 | */ | |
c0b4eaa4 MK |
874 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
875 | wctx.vty = vty; | |
876 | wctx.json = json_vni; | |
877 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
878 | if (json) | |
b7cfce93 | 879 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
880 | } |
881 | ||
996c9314 | 882 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
883 | { |
884 | zebra_mac_t *zrmac = NULL; | |
885 | struct rmac_walk_ctx *wctx = NULL; | |
886 | struct vty *vty = NULL; | |
887 | struct json_object *json = NULL; | |
888 | struct json_object *json_rmac = NULL; | |
889 | char buf[ETHER_ADDR_STRLEN]; | |
890 | ||
891 | wctx = (struct rmac_walk_ctx *)ctx; | |
892 | vty = wctx->vty; | |
893 | json = wctx->json; | |
894 | if (json) | |
895 | json_rmac = json_object_new_object(); | |
896 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
897 | |
898 | if (!json) { | |
4cce389e | 899 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 900 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 901 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 902 | } else { |
996c9314 LB |
903 | json_object_string_add( |
904 | json_rmac, "routerMac", | |
905 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 906 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 907 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
908 | json_object_object_add( |
909 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
910 | json_rmac); | |
b7cfce93 MK |
911 | } |
912 | } | |
913 | ||
914 | /* print a specific L3 VNI entry */ | |
915 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
916 | { | |
917 | char buf[ETHER_ADDR_STRLEN]; | |
918 | struct vty *vty = NULL; | |
919 | json_object *json = NULL; | |
920 | zebra_vni_t *zvni = NULL; | |
921 | json_object *json_vni_list = NULL; | |
922 | struct listnode *node = NULL, *nnode = NULL; | |
923 | ||
924 | vty = ctx[0]; | |
925 | json = ctx[1]; | |
926 | ||
927 | if (!json) { | |
928 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 929 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 930 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 931 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 932 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
933 | vty_out(vty, " Vxlan-Intf: %s\n", |
934 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
935 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
936 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 937 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
938 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
939 | ? "prefix-routes-only" | |
940 | : "none"); | |
4cce389e | 941 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 942 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 943 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
944 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
945 | vty_out(vty, "%u ", zvni->vni); | |
946 | vty_out(vty, "\n"); | |
947 | } else { | |
948 | json_vni_list = json_object_new_array(); | |
949 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
950 | json_object_string_add(json, "type", "L3"); |
951 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 952 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 953 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 954 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 955 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 956 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
957 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
958 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
959 | json_object_string_add( | |
960 | json, "routerMac", | |
961 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
962 | json_object_string_add( | |
963 | json, "vniFilter", | |
964 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
965 | ? "prefix-routes-only" | |
966 | : "none"); | |
b7cfce93 MK |
967 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
968 | json_object_array_add(json_vni_list, | |
969 | json_object_new_int(zvni->vni)); | |
970 | } | |
4cce389e | 971 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
972 | } |
973 | } | |
974 | ||
cec2e17d | 975 | /* |
976 | * Print a specific VNI entry. | |
977 | */ | |
cd233079 | 978 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 979 | { |
980 | struct vty *vty; | |
981 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
982 | uint32_t num_macs; |
983 | uint32_t num_neigh; | |
cd233079 CS |
984 | json_object *json = NULL; |
985 | json_object *json_vtep_list = NULL; | |
986 | json_object *json_ip_str = NULL; | |
d62a17ae | 987 | |
cd233079 CS |
988 | vty = ctxt[0]; |
989 | json = ctxt[1]; | |
990 | ||
b7cfce93 | 991 | if (json == NULL) { |
cd233079 | 992 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
993 | vty_out(vty, " Type: %s\n", "L2"); |
994 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 995 | } else { |
cd233079 | 996 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 997 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
998 | json_object_string_add(json, "vrf", |
999 | vrf_id_to_name(zvni->vrf_id)); | |
1000 | } | |
d62a17ae | 1001 | |
d62a17ae | 1002 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1003 | if (json == NULL) |
1004 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1005 | return; |
1006 | } | |
790f8dc5 | 1007 | num_macs = num_valid_macs(zvni); |
cd233079 | 1008 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1009 | if (json == NULL) { |
996c9314 | 1010 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1011 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1012 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1013 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1014 | } else { |
cd233079 CS |
1015 | json_object_string_add(json, "vxlanInterface", |
1016 | zvni->vxlan_if->name); | |
1017 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1018 | json_object_string_add(json, "vtepIp", | |
1019 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1020 | json_object_string_add(json, "advertiseGatewayMacip", |
1021 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1022 | json_object_int_add(json, "numMacs", num_macs); |
1023 | json_object_int_add(json, "numArpNd", num_neigh); | |
1024 | } | |
d62a17ae | 1025 | if (!zvni->vteps) { |
cd233079 CS |
1026 | if (json == NULL) |
1027 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1028 | } else { |
cd233079 CS |
1029 | if (json == NULL) |
1030 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1031 | else | |
1032 | json_vtep_list = json_object_new_array(); | |
1033 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1034 | if (json == NULL) | |
1035 | vty_out(vty, " %s\n", | |
1036 | inet_ntoa(zvtep->vtep_ip)); | |
1037 | else { | |
1038 | json_ip_str = json_object_new_string( | |
1039 | inet_ntoa(zvtep->vtep_ip)); | |
1040 | json_object_array_add(json_vtep_list, | |
1041 | json_ip_str); | |
1042 | } | |
1043 | } | |
1044 | if (json) | |
1045 | json_object_object_add(json, "numRemoteVteps", | |
1046 | json_vtep_list); | |
1047 | } | |
1048 | if (json == NULL) { | |
1049 | vty_out(vty, | |
1050 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1051 | num_macs); | |
1052 | vty_out(vty, | |
1053 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1054 | "known for this VNI: %u\n", | |
1055 | num_neigh); | |
ddd16ed5 MK |
1056 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1057 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1058 | } |
cec2e17d | 1059 | } |
1060 | ||
b7cfce93 | 1061 | /* print a L3 VNI hash entry */ |
996c9314 | 1062 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1063 | { |
b7cfce93 MK |
1064 | struct vty *vty = NULL; |
1065 | json_object *json = NULL; | |
51d8de8f | 1066 | json_object *json_vni = NULL; |
b7cfce93 MK |
1067 | zebra_l3vni_t *zl3vni = NULL; |
1068 | ||
51d8de8f MK |
1069 | vty = (struct vty *)ctx[0]; |
1070 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1071 | |
1072 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1073 | |
1074 | if (!json) { | |
996c9314 LB |
1075 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1076 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1077 | hashcount(zl3vni->rmac_table), |
996c9314 | 1078 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1079 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1080 | } else { |
51d8de8f MK |
1081 | char vni_str[VNI_STR_LEN]; |
1082 | ||
1083 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1084 | json_vni = json_object_new_object(); | |
1085 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1086 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1087 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1088 | json_object_int_add(json_vni, "numMacs", |
1089 | hashcount(zl3vni->rmac_table)); | |
1090 | json_object_int_add(json_vni, "numArpNd", | |
1091 | hashcount(zl3vni->nh_table)); | |
1092 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1093 | json_object_string_add(json_vni, "type", "L3"); | |
1094 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1095 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1096 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1097 | } |
b7cfce93 MK |
1098 | } |
1099 | ||
cec2e17d | 1100 | /* |
1101 | * Print a VNI hash entry - called for display of all VNIs. | |
1102 | */ | |
cd233079 | 1103 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1104 | { |
d62a17ae | 1105 | struct vty *vty; |
1106 | zebra_vni_t *zvni; | |
1107 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1108 | uint32_t num_vteps = 0; |
1109 | uint32_t num_macs = 0; | |
1110 | uint32_t num_neigh = 0; | |
cd233079 CS |
1111 | json_object *json = NULL; |
1112 | json_object *json_vni = NULL; | |
1113 | json_object *json_ip_str = NULL; | |
1114 | json_object *json_vtep_list = NULL; | |
1115 | ||
1116 | vty = ctxt[0]; | |
1117 | json = ctxt[1]; | |
cec2e17d | 1118 | |
d62a17ae | 1119 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1120 | |
d62a17ae | 1121 | zvtep = zvni->vteps; |
1122 | while (zvtep) { | |
1123 | num_vteps++; | |
1124 | zvtep = zvtep->next; | |
1125 | } | |
cec2e17d | 1126 | |
790f8dc5 | 1127 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1128 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1129 | if (json == NULL) |
996c9314 | 1130 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1131 | zvni->vni, "L2", |
cd233079 | 1132 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1133 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1134 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1135 | else { |
1136 | char vni_str[VNI_STR_LEN]; | |
1137 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1138 | json_vni = json_object_new_object(); | |
4cce389e MK |
1139 | json_object_int_add(json_vni, "vni", zvni->vni); |
1140 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1141 | json_object_string_add(json_vni, "vxlanIf", |
1142 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1143 | : "unknown"); | |
cd233079 CS |
1144 | json_object_int_add(json_vni, "numMacs", num_macs); |
1145 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1146 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1147 | json_object_string_add(json_vni, "tenantVrf", |
1148 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1149 | if (num_vteps) { |
1150 | json_vtep_list = json_object_new_array(); | |
1151 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1152 | json_ip_str = json_object_new_string( | |
1153 | inet_ntoa(zvtep->vtep_ip)); | |
1154 | json_object_array_add(json_vtep_list, | |
1155 | json_ip_str); | |
1156 | } | |
1157 | json_object_object_add(json_vni, "remoteVteps", | |
1158 | json_vtep_list); | |
1159 | } | |
1160 | json_object_object_add(json, vni_str, json_vni); | |
1161 | } | |
cec2e17d | 1162 | } |
1163 | ||
13d60d35 | 1164 | /* |
2232a77c | 1165 | * Inform BGP about local MACIP. |
1166 | */ | |
996c9314 | 1167 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a QY |
1168 | struct ipaddr *ip, uint8_t flags, |
1169 | uint16_t cmd) | |
d62a17ae | 1170 | { |
d62a17ae | 1171 | char buf[ETHER_ADDR_STRLEN]; |
1172 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1173 | int ipa_len; |
1174 | struct zserv *client = NULL; | |
1175 | struct stream *s = NULL; | |
d62a17ae | 1176 | |
21ccc0cf | 1177 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1178 | /* BGP may not be running. */ |
1179 | if (!client) | |
1180 | return 0; | |
1181 | ||
1002497a | 1182 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1183 | |
7cf15b25 | 1184 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1185 | stream_putl(s, vni); |
ff8b7eb8 | 1186 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1187 | if (ip) { |
1188 | ipa_len = 0; | |
1189 | if (IS_IPADDR_V4(ip)) | |
1190 | ipa_len = IPV4_MAX_BYTELEN; | |
1191 | else if (IS_IPADDR_V6(ip)) | |
1192 | ipa_len = IPV6_MAX_BYTELEN; | |
1193 | ||
1194 | stream_putl(s, ipa_len); /* IP address length */ | |
1195 | if (ipa_len) | |
1196 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1197 | } else | |
1198 | stream_putl(s, 0); /* Just MAC. */ | |
1199 | ||
1a98c087 | 1200 | stream_putc(s, flags); /* sticky mac/gateway mac */ |
d62a17ae | 1201 | |
b7cfce93 | 1202 | |
d62a17ae | 1203 | /* Write packet size. */ |
1204 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1205 | ||
1206 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1207 | zlog_debug( |
b7cfce93 | 1208 | "Send MACIP %s flags 0x%x MAC %s IP %s L2-VNI %u to %s", |
996c9314 LB |
1209 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1210 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1a98c087 MK |
1211 | ipaddr2str(ip, buf2, sizeof(buf2)), vni, |
1212 | zebra_route_string(client->proto)); | |
d62a17ae | 1213 | |
1214 | if (cmd == ZEBRA_MACIP_ADD) | |
1215 | client->macipadd_cnt++; | |
1216 | else | |
1217 | client->macipdel_cnt++; | |
1218 | ||
21ccc0cf | 1219 | return zserv_send_message(client, s); |
2232a77c | 1220 | } |
1221 | ||
1222 | /* | |
1223 | * Make hash key for neighbors. | |
13d60d35 | 1224 | */ |
d62a17ae | 1225 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1226 | { |
d62a17ae | 1227 | zebra_neigh_t *n = p; |
1228 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1229 | |
d62a17ae | 1230 | if (IS_IPADDR_V4(ip)) |
1231 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1232 | |
d62a17ae | 1233 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1234 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1235 | } |
1236 | ||
1237 | /* | |
2232a77c | 1238 | * Compare two neighbor hash structures. |
13d60d35 | 1239 | */ |
d62a17ae | 1240 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1241 | { |
d62a17ae | 1242 | const zebra_neigh_t *n1 = p1; |
1243 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1244 | |
d62a17ae | 1245 | if (n1 == NULL && n2 == NULL) |
1246 | return 1; | |
2232a77c | 1247 | |
d62a17ae | 1248 | if (n1 == NULL || n2 == NULL) |
1249 | return 0; | |
2232a77c | 1250 | |
d62a17ae | 1251 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1252 | } |
1253 | ||
1254 | /* | |
2232a77c | 1255 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1256 | */ |
d62a17ae | 1257 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1258 | { |
d62a17ae | 1259 | const zebra_neigh_t *tmp_n = p; |
1260 | zebra_neigh_t *n; | |
13d60d35 | 1261 | |
d62a17ae | 1262 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1263 | *n = *tmp_n; | |
2232a77c | 1264 | |
d62a17ae | 1265 | return ((void *)n); |
13d60d35 | 1266 | } |
1267 | ||
1268 | /* | |
2232a77c | 1269 | * Add neighbor entry. |
13d60d35 | 1270 | */ |
b6938a74 MK |
1271 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1272 | struct ethaddr *mac) | |
13d60d35 | 1273 | { |
d62a17ae | 1274 | zebra_neigh_t tmp_n; |
1275 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1276 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1277 | |
d62a17ae | 1278 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1279 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1280 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1281 | assert(n); | |
13d60d35 | 1282 | |
b6938a74 MK |
1283 | memcpy(&n->emac, mac, ETH_ALEN); |
1284 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1285 | ||
1286 | /* Associate the neigh to mac */ | |
1287 | zmac = zvni_mac_lookup(zvni, mac); | |
1288 | if (zmac) | |
1289 | listnode_add_sort(zmac->neigh_list, n); | |
1290 | ||
d62a17ae | 1291 | return n; |
13d60d35 | 1292 | } |
1293 | ||
1294 | /* | |
2232a77c | 1295 | * Delete neighbor entry. |
13d60d35 | 1296 | */ |
d62a17ae | 1297 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1298 | { |
d62a17ae | 1299 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1300 | zebra_mac_t *zmac = NULL; |
1301 | ||
1302 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1303 | if (zmac) | |
1304 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1305 | |
d62a17ae | 1306 | /* Free the VNI hash entry and allocated memory. */ |
1307 | tmp_n = hash_release(zvni->neigh_table, n); | |
1308 | if (tmp_n) | |
1309 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1310 | |
d62a17ae | 1311 | return 0; |
13d60d35 | 1312 | } |
1313 | ||
1314 | /* | |
2232a77c | 1315 | * Free neighbor hash entry (callback) |
13d60d35 | 1316 | */ |
b1599bb6 | 1317 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1318 | { |
d62a17ae | 1319 | struct neigh_walk_ctx *wctx = arg; |
1320 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1321 | |
d62a17ae | 1322 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1323 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1324 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1325 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1326 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1327 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1328 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1329 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1330 | &n->emac, 0); |
13d60d35 | 1331 | |
d62a17ae | 1332 | if (wctx->uninstall) |
1333 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1334 | |
b1599bb6 | 1335 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1336 | } |
13d60d35 | 1337 | |
b1599bb6 | 1338 | return; |
13d60d35 | 1339 | } |
1340 | ||
1341 | /* | |
2232a77c | 1342 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1343 | */ |
d62a17ae | 1344 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1345 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1346 | { |
d62a17ae | 1347 | struct neigh_walk_ctx wctx; |
13d60d35 | 1348 | |
d62a17ae | 1349 | if (!zvni->neigh_table) |
1350 | return; | |
13d60d35 | 1351 | |
d62a17ae | 1352 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1353 | wctx.zvni = zvni; | |
1354 | wctx.uninstall = uninstall; | |
1355 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1356 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1357 | |
b1599bb6 | 1358 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1359 | } |
13d60d35 | 1360 | |
2232a77c | 1361 | /* |
1362 | * Delete all neighbor entries for this VNI. | |
1363 | */ | |
996c9314 | 1364 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1365 | uint32_t flags) |
2232a77c | 1366 | { |
d62a17ae | 1367 | struct neigh_walk_ctx wctx; |
13d60d35 | 1368 | |
d62a17ae | 1369 | if (!zvni->neigh_table) |
1370 | return; | |
13d60d35 | 1371 | |
d62a17ae | 1372 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1373 | wctx.zvni = zvni; | |
d62a17ae | 1374 | wctx.uninstall = uninstall; |
1375 | wctx.upd_client = upd_client; | |
1376 | wctx.flags = flags; | |
2232a77c | 1377 | |
b1599bb6 | 1378 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1379 | } |
1380 | ||
1381 | /* | |
2232a77c | 1382 | * Look up neighbor hash entry. |
1383 | */ | |
d62a17ae | 1384 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1385 | { |
d62a17ae | 1386 | zebra_neigh_t tmp; |
1387 | zebra_neigh_t *n; | |
2232a77c | 1388 | |
d62a17ae | 1389 | memset(&tmp, 0, sizeof(tmp)); |
1390 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1391 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1392 | |
d62a17ae | 1393 | return n; |
2232a77c | 1394 | } |
1395 | ||
b6938a74 | 1396 | /* Process all neigh associated to a mac upon local mac add event */ |
2853fed6 | 1397 | static void zvni_process_neigh_on_local_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1398 | zebra_mac_t *zmac) |
1399 | { | |
1400 | zebra_neigh_t *n = NULL; | |
1401 | struct listnode *node = NULL; | |
1402 | char buf[ETHER_ADDR_STRLEN]; | |
1403 | char buf2[INET6_ADDRSTRLEN]; | |
1404 | ||
1405 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1406 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1407 | /* MAC is learnt locally, program all inactive neigh | |
1408 | * pointing to this mac */ | |
1409 | if (IS_ZEBRA_NEIGH_INACTIVE(n)) { | |
1410 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1411 | zlog_debug( | |
b7cfce93 | 1412 | "neigh %s (MAC %s) on L2-VNI %u is now ACTIVE", |
b6938a74 MK |
1413 | ipaddr2str(&n->ip, buf2, |
1414 | sizeof(buf2)), | |
1415 | prefix_mac2str(&n->emac, buf, | |
1416 | sizeof(buf)), | |
1417 | zvni->vni); | |
1418 | ||
1419 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
1420 | zvni_neigh_send_add_to_client( | |
ead40654 | 1421 | zvni->vni, &n->ip, &n->emac, n->flags); |
b6938a74 MK |
1422 | } else { |
1423 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1424 | zlog_debug( | |
2853fed6 | 1425 | "neigh %s (MAC %s) on VNI %u should NOT be ACTIVE", |
b6938a74 MK |
1426 | ipaddr2str(&n->ip, buf2, |
1427 | sizeof(buf2)), | |
1428 | prefix_mac2str(&n->emac, buf, | |
1429 | sizeof(buf)), | |
1430 | zvni->vni); | |
1431 | } | |
1432 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
1433 | /* TODO: assume the neigh has moved too ?? */ | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | ||
1438 | /* Process all neigh associated to a mac upon local mac del event */ | |
2853fed6 | 1439 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1440 | zebra_mac_t *zmac) |
1441 | { | |
1442 | zebra_neigh_t *n = NULL; | |
1443 | struct listnode *node = NULL; | |
1444 | char buf[ETHER_ADDR_STRLEN]; | |
1445 | char buf2[INET6_ADDRSTRLEN]; | |
1446 | ||
1447 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1448 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1449 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1450 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1451 | zlog_debug( | |
b7cfce93 | 1452 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1453 | ipaddr2str(&n->ip, buf2, |
1454 | sizeof(buf2)), | |
1455 | prefix_mac2str(&n->emac, buf, | |
1456 | sizeof(buf)), | |
1457 | zvni->vni); | |
1458 | ||
1459 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1460 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1461 | &n->emac, 0); | |
b6938a74 | 1462 | } |
43e52561 QY |
1463 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) |
1464 | && IS_ZEBRA_DEBUG_VXLAN) { | |
1465 | zlog_debug( | |
1466 | "local MAC %s getting deleted on VNI %u has remote neigh %s", | |
1467 | prefix_mac2str(&n->emac, buf, sizeof(buf)), | |
1468 | zvni->vni, | |
1469 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
b6938a74 MK |
1470 | } |
1471 | } | |
1472 | } | |
1473 | ||
1474 | /* process all neigh associated to a mac entry upon remote mac add */ | |
2853fed6 | 1475 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1476 | zebra_mac_t *zmac) |
1477 | { | |
1478 | zebra_neigh_t *n = NULL; | |
1479 | struct listnode *node = NULL; | |
1480 | char buf[ETHER_ADDR_STRLEN]; | |
1481 | char buf2[INET6_ADDRSTRLEN]; | |
1482 | ||
1483 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
1484 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1485 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
1486 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1487 | zlog_debug( | |
b7cfce93 | 1488 | "neigh %s (MAC %s) on L2-VNI %u is now INACTIVE", |
b6938a74 MK |
1489 | ipaddr2str(&n->ip, buf2, |
1490 | sizeof(buf2)), | |
1491 | prefix_mac2str(&n->emac, buf, | |
1492 | sizeof(buf)), | |
1493 | zvni->vni); | |
1494 | ||
1495 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
996c9314 LB |
1496 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1497 | &n->emac, 0); | |
b6938a74 MK |
1498 | } |
1499 | } | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | /* process all neigh associated to mac entry upon remote mac del */ | |
2853fed6 | 1504 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1505 | zebra_mac_t *zmac) |
1506 | { | |
1507 | zebra_neigh_t *n = NULL; | |
1508 | struct listnode *node = NULL; | |
1509 | char buf[ETHER_ADDR_STRLEN]; | |
1510 | char buf2[INET6_ADDRSTRLEN]; | |
1511 | ||
1512 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
43e52561 QY |
1513 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) |
1514 | && IS_ZEBRA_DEBUG_VXLAN) { | |
1515 | zlog_debug( | |
1516 | "remote MAC %s getting deleted on VNI %u has local neigh %s", | |
1517 | prefix_mac2str(&n->emac, buf, sizeof(buf)), | |
1518 | zvni->vni, | |
1519 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
b6938a74 MK |
1520 | } |
1521 | } | |
1522 | } | |
1523 | ||
2232a77c | 1524 | /* |
1525 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1526 | */ |
996c9314 | 1527 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1528 | struct ethaddr *macaddr, |
d7c0a89a | 1529 | uint8_t neigh_flags) |
13d60d35 | 1530 | { |
d7c0a89a | 1531 | uint8_t flags = 0; |
ead40654 MK |
1532 | |
1533 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1534 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1535 | /* Set router flag (R-bit) based on local neigh entry add */ |
1536 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1537 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1538 | |
2853fed6 | 1539 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1540 | ZEBRA_MACIP_ADD); |
2232a77c | 1541 | } |
13d60d35 | 1542 | |
2232a77c | 1543 | /* |
1544 | * Inform BGP about local neighbor deletion. | |
1545 | */ | |
996c9314 | 1546 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1547 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1548 | { |
2853fed6 | 1549 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
d62a17ae | 1550 | ZEBRA_MACIP_DEL); |
2232a77c | 1551 | } |
1552 | ||
1553 | /* | |
1554 | * Install remote neighbor into the kernel. | |
1555 | */ | |
d62a17ae | 1556 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1557 | { |
d62a17ae | 1558 | struct zebra_if *zif; |
1559 | struct zebra_l2info_vxlan *vxl; | |
1560 | struct interface *vlan_if; | |
68e33151 CS |
1561 | uint8_t flags; |
1562 | int ret = 0; | |
2232a77c | 1563 | |
d62a17ae | 1564 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1565 | return 0; | |
13d60d35 | 1566 | |
d62a17ae | 1567 | zif = zvni->vxlan_if->info; |
1568 | if (!zif) | |
1569 | return -1; | |
1570 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1571 | |
2853fed6 | 1572 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1573 | if (!vlan_if) |
1574 | return -1; | |
68e33151 CS |
1575 | #ifdef GNU_LINUX |
1576 | flags = NTF_EXT_LEARNED; | |
1577 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1578 | flags |= NTF_ROUTER; | |
1579 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); | |
1580 | #endif | |
1581 | return ret; | |
2232a77c | 1582 | } |
13d60d35 | 1583 | |
2232a77c | 1584 | /* |
1585 | * Uninstall remote neighbor from the kernel. | |
1586 | */ | |
d62a17ae | 1587 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1588 | { |
d62a17ae | 1589 | struct zebra_if *zif; |
1590 | struct zebra_l2info_vxlan *vxl; | |
1591 | struct interface *vlan_if; | |
13d60d35 | 1592 | |
d62a17ae | 1593 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1594 | return 0; | |
2232a77c | 1595 | |
d62a17ae | 1596 | if (!zvni->vxlan_if) { |
43e52561 QY |
1597 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
1598 | zvni->vni, zvni); | |
d62a17ae | 1599 | return -1; |
1600 | } | |
2232a77c | 1601 | |
d62a17ae | 1602 | zif = zvni->vxlan_if->info; |
1603 | if (!zif) | |
1604 | return -1; | |
1605 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1606 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1607 | if (!vlan_if) |
1608 | return -1; | |
2232a77c | 1609 | |
d62a17ae | 1610 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1611 | } |
1612 | ||
1613 | /* | |
2232a77c | 1614 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1615 | */ |
d62a17ae | 1616 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1617 | { |
d62a17ae | 1618 | zebra_neigh_t *n; |
1619 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1620 | |
d62a17ae | 1621 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1622 | |
d62a17ae | 1623 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1624 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1625 | } |
13d60d35 | 1626 | |
1a98c087 MK |
1627 | /* Get the VRR interface for SVI if any */ |
1628 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1629 | { | |
1630 | struct zebra_vrf *zvrf = NULL; | |
1631 | struct interface *tmp_if = NULL; | |
1632 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1633 | |
1634 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1635 | assert(zvrf); | |
1636 | ||
451fda4f | 1637 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1638 | zif = tmp_if->info; |
1639 | if (!zif) | |
1640 | continue; | |
1641 | ||
1642 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1643 | continue; | |
1644 | ||
1645 | if (zif->link == ifp) | |
1646 | return tmp_if; | |
1647 | } | |
1648 | ||
1649 | return NULL; | |
1650 | } | |
1651 | ||
1652 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1653 | { | |
1a98c087 MK |
1654 | struct listnode *cnode = NULL, *cnnode = NULL; |
1655 | struct connected *c = NULL; | |
1656 | struct ethaddr macaddr; | |
1657 | ||
1a98c087 MK |
1658 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1659 | ||
1660 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1661 | struct ipaddr ip; | |
1662 | ||
1663 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1664 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1665 | continue; | |
1666 | ||
1667 | if (c->address->family == AF_INET) { | |
1668 | ip.ipa_type = IPADDR_V4; | |
1669 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1670 | sizeof(struct in_addr)); | |
1671 | } else if (c->address->family == AF_INET6) { | |
1672 | ip.ipa_type = IPADDR_V6; | |
1673 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1674 | sizeof(struct in6_addr)); | |
1675 | } else { | |
1676 | continue; | |
1677 | } | |
1678 | ||
1679 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1680 | } | |
1681 | ||
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1686 | { | |
1a98c087 MK |
1687 | struct listnode *cnode = NULL, *cnnode = NULL; |
1688 | struct connected *c = NULL; | |
1689 | struct ethaddr macaddr; | |
1690 | ||
1a98c087 MK |
1691 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1692 | ||
1693 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1694 | struct ipaddr ip; | |
1695 | ||
1696 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1697 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1698 | continue; | |
1699 | ||
1700 | if (c->address->family == AF_INET) { | |
1701 | ip.ipa_type = IPADDR_V4; | |
1702 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1703 | sizeof(struct in_addr)); | |
1704 | } else if (c->address->family == AF_INET6) { | |
1705 | ip.ipa_type = IPADDR_V6; | |
1706 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1707 | sizeof(struct in6_addr)); | |
1708 | } else { | |
1709 | continue; | |
1710 | } | |
1711 | ||
1712 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1713 | } | |
31310b25 MK |
1714 | return 0; |
1715 | } | |
1716 | ||
1717 | ||
996c9314 | 1718 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1719 | int advertise) |
1720 | { | |
1721 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1722 | struct connected *c = NULL; | |
1723 | struct ethaddr macaddr; | |
1724 | ||
1725 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1726 | ||
1727 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1728 | struct prefix p; | |
1a98c087 | 1729 | |
31310b25 MK |
1730 | memcpy(&p, c->address, sizeof(struct prefix)); |
1731 | ||
1732 | /* skip link local address */ | |
1733 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1734 | continue; | |
1735 | ||
1736 | apply_mask(&p); | |
1737 | if (advertise) | |
1738 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1739 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1740 | else |
1741 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1742 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1743 | } | |
1a98c087 MK |
1744 | return 0; |
1745 | } | |
1746 | ||
1747 | /* | |
1748 | * zvni_gw_macip_add_to_client | |
1749 | */ | |
1750 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1751 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1752 | { | |
1a98c087 MK |
1753 | char buf[ETHER_ADDR_STRLEN]; |
1754 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1755 | zebra_neigh_t *n = NULL; |
1756 | zebra_mac_t *mac = NULL; | |
1757 | struct zebra_if *zif = NULL; | |
1758 | struct zebra_l2info_vxlan *vxl = NULL; | |
1759 | ||
1a98c087 MK |
1760 | zif = zvni->vxlan_if->info; |
1761 | if (!zif) | |
1762 | return -1; | |
1763 | ||
1764 | vxl = &zif->l2info.vxl; | |
1765 | ||
1766 | mac = zvni_mac_lookup(zvni, macaddr); | |
1767 | if (!mac) { | |
1768 | mac = zvni_mac_add(zvni, macaddr); | |
1769 | if (!mac) { | |
af4c2728 | 1770 | flog_err(ZEBRA_ERR_MAC_ADD_FAILED, |
43e52561 QY |
1771 | "Failed to add MAC %s intf %s(%u) VID %u", |
1772 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1773 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1774 | return -1; |
1775 | } | |
1776 | } | |
1777 | ||
1778 | /* Set "local" forwarding info. */ | |
1779 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1780 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1781 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1782 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1783 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1784 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1785 | ||
1786 | n = zvni_neigh_lookup(zvni, ip); | |
1787 | if (!n) { | |
b6938a74 | 1788 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1789 | if (!n) { |
af4c2728 | 1790 | flog_err( |
43e52561 | 1791 | ZEBRA_ERR_MAC_ADD_FAILED, |
2853fed6 | 1792 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1793 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1794 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1795 | ifp->name, ifp->ifindex, zvni->vni); |
1796 | return -1; | |
1797 | } | |
1798 | } | |
1799 | ||
1800 | /* Set "local" forwarding info. */ | |
1801 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1802 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
68e33151 CS |
1803 | /* Set Router flag (R-bit) */ |
1804 | if (ip->ipa_type == IPADDR_V6) | |
1805 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1806 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1807 | n->ifindex = ifp->ifindex; | |
1808 | ||
ead40654 MK |
1809 | /* Only advertise in BGP if the knob is enabled */ |
1810 | if (!advertise_gw_macip_enabled(zvni)) | |
1811 | return 0; | |
1812 | ||
1a98c087 MK |
1813 | if (IS_ZEBRA_DEBUG_VXLAN) |
1814 | zlog_debug( | |
68e33151 | 1815 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1816 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1817 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1818 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1819 | |
996c9314 | 1820 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
1a98c087 MK |
1821 | |
1822 | return 0; | |
1823 | } | |
1824 | ||
1825 | /* | |
1826 | * zvni_gw_macip_del_from_client | |
1827 | */ | |
1828 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1829 | struct ipaddr *ip) | |
1830 | { | |
0af35d90 | 1831 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1832 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1833 | zebra_neigh_t *n = NULL; |
1834 | zebra_mac_t *mac = NULL; | |
1835 | ||
1a98c087 MK |
1836 | /* If the neigh entry is not present nothing to do*/ |
1837 | n = zvni_neigh_lookup(zvni, ip); | |
1838 | if (!n) | |
1839 | return 0; | |
1840 | ||
1841 | /* mac entry should be present */ | |
1842 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1843 | if (!mac) { |
43e52561 QY |
1844 | zlog_warn("MAC %s doesnt exists for neigh %s on VNI %u", |
1845 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), | |
1846 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1847 | return -1; |
1848 | } | |
1a98c087 MK |
1849 | |
1850 | /* If the entry is not local nothing to do*/ | |
1851 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1852 | return -1; | |
1853 | ||
ead40654 | 1854 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1855 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1856 | zlog_debug( |
1857 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1858 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1859 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1860 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1861 | |
1862 | /* Remove neighbor from BGP. */ | |
1863 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1864 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1865 | |
1866 | /* Delete this neighbor entry. */ | |
1867 | zvni_neigh_del(zvni, n); | |
1868 | ||
1869 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1870 | if (mac) |
1871 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1872 | |
1873 | return 0; | |
1874 | } | |
1875 | ||
1876 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1877 | void *ctxt) |
1a98c087 MK |
1878 | { |
1879 | zebra_vni_t *zvni = NULL; | |
1880 | struct zebra_if *zif = NULL; | |
1881 | struct zebra_l2info_vxlan zl2_info; | |
1882 | struct interface *vlan_if = NULL; | |
1883 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1884 | struct interface *ifp; |
1a98c087 MK |
1885 | |
1886 | /* Add primary SVI MAC*/ | |
1887 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1888 | |
b5ebdc9b | 1889 | ifp = zvni->vxlan_if; |
1890 | if (!ifp) | |
1891 | return; | |
1892 | zif = ifp->info; | |
1893 | ||
1894 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1895 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1896 | return; |
1897 | ||
1a98c087 MK |
1898 | zl2_info = zif->l2info.vxl; |
1899 | ||
996c9314 LB |
1900 | vlan_if = |
1901 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1902 | if (!vlan_if) |
1903 | return; | |
1904 | ||
1905 | /* Del primary MAC-IP */ | |
1906 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1907 | ||
1908 | /* Del VRR MAC-IP - if any*/ | |
1909 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1910 | if (vrr_if) | |
1911 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1912 | ||
1913 | return; | |
1914 | } | |
1915 | ||
1916 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1917 | void *ctxt) |
1a98c087 MK |
1918 | { |
1919 | zebra_vni_t *zvni = NULL; | |
1920 | struct zebra_if *zif = NULL; | |
1921 | struct zebra_l2info_vxlan zl2_info; | |
1922 | struct interface *vlan_if = NULL; | |
1923 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1924 | struct interface *ifp = NULL; |
1a98c087 MK |
1925 | |
1926 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1927 | |
b5ebdc9b | 1928 | ifp = zvni->vxlan_if; |
1929 | if (!ifp) | |
1930 | return; | |
1931 | zif = ifp->info; | |
1932 | ||
1933 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1934 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1935 | return; |
1a98c087 MK |
1936 | zl2_info = zif->l2info.vxl; |
1937 | ||
996c9314 LB |
1938 | vlan_if = |
1939 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1940 | if (!vlan_if) |
1941 | return; | |
1942 | ||
1a98c087 MK |
1943 | /* Add primary SVI MAC-IP */ |
1944 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1945 | ||
1946 | /* Add VRR MAC-IP - if any*/ | |
1947 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1948 | if (vrr_if) | |
1949 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1950 | ||
1951 | return; | |
1952 | } | |
1953 | ||
ee69da27 MK |
1954 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1955 | struct interface *ifp, | |
1956 | struct ipaddr *ip, | |
68e33151 CS |
1957 | struct ethaddr *macaddr, |
1958 | uint8_t router_flag) | |
ee69da27 MK |
1959 | { |
1960 | char buf[ETHER_ADDR_STRLEN]; | |
1961 | char buf2[INET6_ADDRSTRLEN]; | |
1962 | zebra_neigh_t *n = NULL; | |
1963 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
1964 | ||
1965 | /* create a dummy MAC if the MAC is not already present */ | |
1966 | zmac = zvni_mac_lookup(zvni, macaddr); | |
1967 | if (!zmac) { | |
1968 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1969 | zlog_debug( | |
1970 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1971 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1972 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1973 | ||
1974 | zmac = zvni_mac_add(zvni, macaddr); | |
1975 | if (!zmac) { | |
1976 | zlog_warn("Failed to add MAC %s VNI %u", | |
1977 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1978 | zvni->vni); | |
1979 | return -1; | |
1980 | } | |
1981 | ||
1982 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1983 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1984 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
1985 | } | |
1986 | ||
1987 | /* If same entry already exists, it might be a change or it might be a | |
1988 | * move from remote to local. | |
1989 | */ | |
1990 | n = zvni_neigh_lookup(zvni, ip); | |
1991 | if (n) { | |
1992 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1993 | if (memcmp(n->emac.octet, macaddr->octet, | |
1994 | ETH_ALEN) == 0) { | |
1995 | /* Update any params and return - client doesn't | |
1996 | * care about a purely local change. | |
1997 | */ | |
1998 | n->ifindex = ifp->ifindex; | |
1999 | return 0; | |
2000 | } | |
2001 | ||
2002 | /* If the MAC has changed, | |
2003 | * need to issue a delete first | |
2004 | * as this means a different MACIP route. | |
2005 | * Also, need to do some unlinking/relinking. | |
2006 | */ | |
2007 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2008 | &n->emac, 0); | |
2009 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2010 | if (old_zmac) { | |
2011 | listnode_delete(old_zmac->neigh_list, n); | |
2012 | zvni_deref_ip2mac(zvni, old_zmac, 0); | |
2013 | } | |
2014 | ||
2015 | /* Update the forwarding info. */ | |
2016 | n->ifindex = ifp->ifindex; | |
2017 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2018 | ||
2019 | /* Link to new MAC */ | |
2020 | listnode_add_sort(zmac->neigh_list, n); | |
2021 | ||
2022 | } else | |
2023 | /* Neighbor has moved from remote to local. */ | |
2024 | { | |
2025 | /* If MAC has changed, do the unlink/link */ | |
2026 | if (memcmp(n->emac.octet, macaddr->octet, | |
2027 | ETH_ALEN) != 0) { | |
2028 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2029 | if (old_zmac) { | |
9fc1522c DS |
2030 | listnode_delete(old_zmac->neigh_list, |
2031 | n); | |
ee69da27 MK |
2032 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2033 | } | |
2034 | ||
2035 | /* Link to new MAC */ | |
2036 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2037 | listnode_add_sort(zmac->neigh_list, n); | |
2038 | } | |
2039 | ||
2040 | /* Mark appropriately */ | |
2041 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2042 | n->r_vtep_ip.s_addr = 0; | |
2043 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2044 | n->ifindex = ifp->ifindex; | |
2045 | } | |
2046 | } else { | |
2047 | /* New neighbor - create */ | |
2048 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2049 | if (!n) { | |
af4c2728 | 2050 | flog_err( |
43e52561 | 2051 | ZEBRA_ERR_MAC_ADD_FAILED, |
ee69da27 MK |
2052 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2053 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2054 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2055 | ifp->name, ifp->ifindex, zvni->vni); | |
2056 | return -1; | |
2057 | } | |
2058 | /* Set "local" forwarding info. */ | |
2059 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2060 | n->ifindex = ifp->ifindex; | |
2061 | } | |
2062 | ||
2063 | /* Before we program this in BGP, we need to check if MAC is locally | |
2064 | * learnt as well | |
2065 | */ | |
2066 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
2067 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2068 | zlog_debug( | |
2069 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u", | |
2070 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2071 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2072 | zvni->vni); | |
2073 | ||
2074 | return 0; | |
2075 | } | |
2076 | ||
68e33151 CS |
2077 | /*Set router flag (R-bit) */ |
2078 | if (router_flag) | |
2079 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2080 | ||
ee69da27 MK |
2081 | /* Inform BGP. */ |
2082 | if (IS_ZEBRA_DEBUG_VXLAN) | |
68e33151 | 2083 | zlog_debug("Neigh %s (MAC %s) is now ACTIVE on L2-VNI %u with flags 0x%x", |
ee69da27 MK |
2084 | ipaddr2str(ip, buf2, sizeof(buf2)), |
2085 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
68e33151 | 2086 | zvni->vni, n->flags); |
ee69da27 MK |
2087 | ZEBRA_NEIGH_SET_ACTIVE(n); |
2088 | ||
68e33151 | 2089 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
ee69da27 MK |
2090 | } |
2091 | ||
2092 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2093 | struct interface *ifp, | |
2094 | struct ipaddr *ip, | |
2095 | struct ethaddr *macaddr, | |
2096 | uint16_t state) | |
2097 | { | |
2098 | char buf[ETHER_ADDR_STRLEN]; | |
2099 | char buf2[INET6_ADDRSTRLEN]; | |
2100 | zebra_neigh_t *n = NULL; | |
2101 | zebra_mac_t *zmac = NULL; | |
2102 | ||
2103 | /* If the neighbor is unknown, there is no further action. */ | |
2104 | n = zvni_neigh_lookup(zvni, ip); | |
2105 | if (!n) | |
2106 | return 0; | |
2107 | ||
2108 | /* If a remote entry, see if it needs to be refreshed */ | |
2109 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2110 | #ifdef GNU_LINUX |
ee69da27 MK |
2111 | if (state & NUD_STALE) |
2112 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2113 | #endif |
ee69da27 MK |
2114 | } else { |
2115 | /* We got a "remote" neighbor notification for an entry | |
2116 | * we think is local. This can happen in a multihoming | |
2117 | * scenario - but only if the MAC is already "remote". | |
2118 | * Just mark our entry as "remote". | |
2119 | */ | |
2120 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2121 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
43e52561 QY |
2122 | zlog_warn( |
2123 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", | |
2124 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2125 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2126 | zvni->vni); | |
ee69da27 MK |
2127 | return -1; |
2128 | } | |
2129 | ||
2130 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2131 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2132 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2133 | } | |
2134 | ||
2135 | return 0; | |
2136 | } | |
2137 | ||
2232a77c | 2138 | /* |
2139 | * Make hash key for MAC. | |
2140 | */ | |
d62a17ae | 2141 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2142 | { |
d62a17ae | 2143 | zebra_mac_t *pmac = p; |
25331def DS |
2144 | const void *pnt = (void *)pmac->macaddr.octet; |
2145 | ||
ff8b7eb8 | 2146 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2147 | } |
13d60d35 | 2148 | |
2232a77c | 2149 | /* |
2150 | * Compare two MAC addresses. | |
2151 | */ | |
d62a17ae | 2152 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2153 | { |
d62a17ae | 2154 | const zebra_mac_t *pmac1 = p1; |
2155 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2156 | |
d62a17ae | 2157 | if (pmac1 == NULL && pmac2 == NULL) |
2158 | return 1; | |
2232a77c | 2159 | |
d62a17ae | 2160 | if (pmac1 == NULL || pmac2 == NULL) |
2161 | return 0; | |
2232a77c | 2162 | |
996c9314 | 2163 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2164 | == 0); |
2232a77c | 2165 | } |
2166 | ||
2167 | /* | |
2168 | * Callback to allocate MAC hash entry. | |
2169 | */ | |
d62a17ae | 2170 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2171 | { |
d62a17ae | 2172 | const zebra_mac_t *tmp_mac = p; |
2173 | zebra_mac_t *mac; | |
2232a77c | 2174 | |
d62a17ae | 2175 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2176 | *mac = *tmp_mac; | |
2232a77c | 2177 | |
d62a17ae | 2178 | return ((void *)mac); |
2232a77c | 2179 | } |
2180 | ||
2181 | /* | |
2182 | * Add MAC entry. | |
2183 | */ | |
d62a17ae | 2184 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2185 | { |
d62a17ae | 2186 | zebra_mac_t tmp_mac; |
2187 | zebra_mac_t *mac = NULL; | |
2232a77c | 2188 | |
d62a17ae | 2189 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2190 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2191 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2192 | assert(mac); | |
2232a77c | 2193 | |
b6938a74 MK |
2194 | mac->neigh_list = list_new(); |
2195 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2196 | ||
d62a17ae | 2197 | return mac; |
2232a77c | 2198 | } |
2199 | ||
2200 | /* | |
2201 | * Delete MAC entry. | |
2202 | */ | |
d62a17ae | 2203 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2204 | { |
d62a17ae | 2205 | zebra_mac_t *tmp_mac; |
2232a77c | 2206 | |
affe9e99 | 2207 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2208 | |
d62a17ae | 2209 | /* Free the VNI hash entry and allocated memory. */ |
2210 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2211 | if (tmp_mac) | |
2212 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2213 | |
d62a17ae | 2214 | return 0; |
2232a77c | 2215 | } |
2216 | ||
2217 | /* | |
2218 | * Free MAC hash entry (callback) | |
2219 | */ | |
b1599bb6 | 2220 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2221 | { |
d62a17ae | 2222 | struct mac_walk_ctx *wctx = arg; |
2223 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2224 | |
d62a17ae | 2225 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2226 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2227 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2228 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2229 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2230 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2231 | &wctx->r_vtep_ip))) { | |
2232 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2233 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2234 | &mac->macaddr, mac->flags); | |
d62a17ae | 2235 | } |
2232a77c | 2236 | |
d62a17ae | 2237 | if (wctx->uninstall) |
2238 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2239 | |
b1599bb6 | 2240 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2241 | } |
2232a77c | 2242 | |
b1599bb6 | 2243 | return; |
2232a77c | 2244 | } |
2245 | ||
2246 | /* | |
2247 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2248 | */ | |
d62a17ae | 2249 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2250 | struct in_addr *r_vtep_ip) | |
2232a77c | 2251 | { |
d62a17ae | 2252 | struct mac_walk_ctx wctx; |
2232a77c | 2253 | |
d62a17ae | 2254 | if (!zvni->mac_table) |
2255 | return; | |
2232a77c | 2256 | |
d62a17ae | 2257 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2258 | wctx.zvni = zvni; | |
2259 | wctx.uninstall = uninstall; | |
2260 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2261 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2262 | |
b1599bb6 | 2263 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2264 | } |
2265 | ||
2266 | /* | |
2267 | * Delete all MAC entries for this VNI. | |
2268 | */ | |
996c9314 | 2269 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2270 | uint32_t flags) |
2232a77c | 2271 | { |
d62a17ae | 2272 | struct mac_walk_ctx wctx; |
2232a77c | 2273 | |
d62a17ae | 2274 | if (!zvni->mac_table) |
2275 | return; | |
2232a77c | 2276 | |
d62a17ae | 2277 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2278 | wctx.zvni = zvni; | |
d62a17ae | 2279 | wctx.uninstall = uninstall; |
2280 | wctx.upd_client = upd_client; | |
2281 | wctx.flags = flags; | |
2232a77c | 2282 | |
b1599bb6 | 2283 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2284 | } |
2285 | ||
2286 | /* | |
2287 | * Look up MAC hash entry. | |
2288 | */ | |
d62a17ae | 2289 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2290 | { |
d62a17ae | 2291 | zebra_mac_t tmp; |
2292 | zebra_mac_t *pmac; | |
2232a77c | 2293 | |
d62a17ae | 2294 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2295 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2296 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2297 | |
d62a17ae | 2298 | return pmac; |
2232a77c | 2299 | } |
2300 | ||
2301 | /* | |
2302 | * Inform BGP about local MAC addition. | |
2303 | */ | |
996c9314 | 2304 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2305 | uint8_t mac_flags) |
2232a77c | 2306 | { |
d7c0a89a | 2307 | uint8_t flags = 0; |
ead40654 MK |
2308 | |
2309 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2310 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2311 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2312 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2313 | ||
2853fed6 | 2314 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2315 | ZEBRA_MACIP_ADD); |
2232a77c | 2316 | } |
2317 | ||
2318 | /* | |
2319 | * Inform BGP about local MAC deletion. | |
2320 | */ | |
996c9314 | 2321 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2322 | uint8_t mac_flags) |
2232a77c | 2323 | { |
d7c0a89a | 2324 | uint8_t flags = 0; |
ead40654 MK |
2325 | |
2326 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2327 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2328 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2329 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2330 | ||
2853fed6 | 2331 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2332 | ZEBRA_MACIP_DEL); |
2232a77c | 2333 | } |
2334 | ||
2335 | /* | |
2336 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2337 | * notifications, to see if they are of interest. |
2232a77c | 2338 | */ |
d62a17ae | 2339 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2340 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2341 | { |
2853fed6 | 2342 | struct zebra_ns *zns; |
2343 | struct route_node *rn; | |
2344 | struct interface *tmp_if = NULL; | |
d62a17ae | 2345 | struct zebra_if *zif; |
2346 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2347 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2348 | uint8_t bridge_vlan_aware; |
d62a17ae | 2349 | zebra_vni_t *zvni; |
2853fed6 | 2350 | int found = 0; |
2232a77c | 2351 | |
d62a17ae | 2352 | /* Determine if bridge is VLAN-aware or not */ |
2353 | zif = br_if->info; | |
2354 | assert(zif); | |
2355 | br = &zif->l2info.br; | |
2356 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2357 | |
d62a17ae | 2358 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2359 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2360 | zns = zebra_ns_lookup(NS_DEFAULT); |
2361 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2362 | tmp_if = (struct interface *)rn->info; | |
2363 | if (!tmp_if) | |
2364 | continue; | |
d62a17ae | 2365 | zif = tmp_if->info; |
2366 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2367 | continue; | |
2368 | if (!if_is_operative(tmp_if)) | |
2369 | continue; | |
2370 | vxl = &zif->l2info.vxl; | |
2232a77c | 2371 | |
d62a17ae | 2372 | if (zif->brslave_info.br_if != br_if) |
2373 | continue; | |
2232a77c | 2374 | |
2853fed6 | 2375 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2376 | found = 1; | |
d62a17ae | 2377 | break; |
2853fed6 | 2378 | } |
d62a17ae | 2379 | } |
2232a77c | 2380 | |
2853fed6 | 2381 | if (!found) |
d62a17ae | 2382 | return NULL; |
2232a77c | 2383 | |
2853fed6 | 2384 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2385 | return zvni; |
2232a77c | 2386 | } |
2387 | ||
2388 | /* | |
2389 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2390 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2391 | */ |
b7cfce93 MK |
2392 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2393 | struct interface *br_if) | |
d62a17ae | 2394 | { |
2853fed6 | 2395 | struct zebra_ns *zns; |
2396 | struct route_node *rn; | |
2397 | struct interface *tmp_if = NULL; | |
d62a17ae | 2398 | struct zebra_if *zif; |
2399 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2400 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2401 | uint8_t bridge_vlan_aware; |
d62a17ae | 2402 | vlanid_t vid = 0; |
2403 | zebra_vni_t *zvni; | |
2853fed6 | 2404 | int found = 0; |
d62a17ae | 2405 | |
71349e03 MK |
2406 | if (!br_if) |
2407 | return NULL; | |
2408 | ||
d62a17ae | 2409 | /* Make sure the linked interface is a bridge. */ |
2410 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2411 | return NULL; | |
2412 | ||
d62a17ae | 2413 | /* Determine if bridge is VLAN-aware or not */ |
2414 | zif = br_if->info; | |
2415 | assert(zif); | |
2416 | br = &zif->l2info.br; | |
2417 | bridge_vlan_aware = br->vlan_aware; | |
2418 | if (bridge_vlan_aware) { | |
2419 | struct zebra_l2info_vlan *vl; | |
2420 | ||
2421 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2422 | return NULL; | |
2423 | ||
2424 | zif = ifp->info; | |
2425 | assert(zif); | |
2426 | vl = &zif->l2info.vl; | |
2427 | vid = vl->vid; | |
2428 | } | |
2429 | ||
2430 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2431 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2432 | zns = zebra_ns_lookup(NS_DEFAULT); |
2433 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2434 | tmp_if = (struct interface *)rn->info; | |
2435 | if (!tmp_if) | |
2436 | continue; | |
d62a17ae | 2437 | zif = tmp_if->info; |
2438 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2439 | continue; | |
2440 | if (!if_is_operative(tmp_if)) | |
2441 | continue; | |
2442 | vxl = &zif->l2info.vxl; | |
2443 | ||
2444 | if (zif->brslave_info.br_if != br_if) | |
2445 | continue; | |
2446 | ||
2853fed6 | 2447 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2448 | found = 1; | |
d62a17ae | 2449 | break; |
2853fed6 | 2450 | } |
d62a17ae | 2451 | } |
2452 | ||
2853fed6 | 2453 | if (!found) |
d62a17ae | 2454 | return NULL; |
2455 | ||
2853fed6 | 2456 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2457 | return zvni; |
2232a77c | 2458 | } |
2459 | ||
2460 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2461 | * of two cases: | |
2462 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2463 | * linked to the bridge | |
2464 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2465 | * itself | |
2466 | */ | |
2853fed6 | 2467 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2468 | { |
2853fed6 | 2469 | struct zebra_ns *zns; |
2470 | struct route_node *rn; | |
2471 | struct interface *tmp_if = NULL; | |
d62a17ae | 2472 | struct zebra_if *zif; |
2473 | struct zebra_l2info_bridge *br; | |
2474 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2475 | uint8_t bridge_vlan_aware; |
2853fed6 | 2476 | int found = 0; |
d62a17ae | 2477 | |
b5ebdc9b | 2478 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2479 | if (!br_if) | |
2480 | return NULL; | |
2481 | ||
d62a17ae | 2482 | /* Determine if bridge is VLAN-aware or not */ |
2483 | zif = br_if->info; | |
2484 | assert(zif); | |
2485 | br = &zif->l2info.br; | |
2486 | bridge_vlan_aware = br->vlan_aware; | |
2487 | ||
2488 | /* Check oper status of the SVI. */ | |
2489 | if (!bridge_vlan_aware) | |
2490 | return if_is_operative(br_if) ? br_if : NULL; | |
2491 | ||
2492 | /* Identify corresponding VLAN interface. */ | |
2493 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2494 | zns = zebra_ns_lookup(NS_DEFAULT); |
2495 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2496 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2497 | /* Check oper status of the SVI. */ |
2853fed6 | 2498 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2499 | continue; |
2500 | zif = tmp_if->info; | |
2501 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2502 | || zif->link != br_if) | |
2503 | continue; | |
2504 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2505 | ||
2853fed6 | 2506 | if (vl->vid == vid) { |
2507 | found = 1; | |
d62a17ae | 2508 | break; |
2853fed6 | 2509 | } |
d62a17ae | 2510 | } |
2511 | ||
2853fed6 | 2512 | return found ? tmp_if : NULL; |
2232a77c | 2513 | } |
2514 | ||
2515 | /* | |
2516 | * Install remote MAC into the kernel. | |
2517 | */ | |
d62a17ae | 2518 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2519 | { |
d62a17ae | 2520 | struct zebra_if *zif; |
2521 | struct zebra_l2info_vxlan *vxl; | |
d7c0a89a | 2522 | uint8_t sticky; |
2232a77c | 2523 | |
d62a17ae | 2524 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2525 | return 0; | |
2232a77c | 2526 | |
d62a17ae | 2527 | zif = zvni->vxlan_if->info; |
2528 | if (!zif) | |
2529 | return -1; | |
2530 | vxl = &zif->l2info.vxl; | |
2232a77c | 2531 | |
51f4dab4 AK |
2532 | sticky = CHECK_FLAG(mac->flags, |
2533 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)) ? 1 : 0; | |
c85c03c7 | 2534 | |
d62a17ae | 2535 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2536 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2537 | } |
2538 | ||
2539 | /* | |
2540 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2541 | * moves to remote, we have to uninstall any existing local entry first. | |
2542 | */ | |
d62a17ae | 2543 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2544 | { |
d62a17ae | 2545 | struct zebra_if *zif; |
2546 | struct zebra_l2info_vxlan *vxl; | |
2547 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2548 | struct zebra_ns *zns; | |
2549 | struct interface *ifp; | |
2232a77c | 2550 | |
d62a17ae | 2551 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2552 | return 0; | |
2232a77c | 2553 | |
d62a17ae | 2554 | if (!zvni->vxlan_if) { |
43e52561 QY |
2555 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
2556 | zvni->vni, zvni); | |
d62a17ae | 2557 | return -1; |
2558 | } | |
2232a77c | 2559 | |
d62a17ae | 2560 | zif = zvni->vxlan_if->info; |
2561 | if (!zif) | |
2562 | return -1; | |
2563 | vxl = &zif->l2info.vxl; | |
2232a77c | 2564 | |
d62a17ae | 2565 | if (local) { |
2566 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2567 | ifp = if_lookup_by_index_per_ns(zns, | |
2568 | mac->fwd_info.local.ifindex); | |
2569 | if (!ifp) // unexpected | |
2570 | return -1; | |
2571 | } else { | |
2572 | ifp = zvni->vxlan_if; | |
2573 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2574 | } | |
2232a77c | 2575 | |
d62a17ae | 2576 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2577 | local); | |
2232a77c | 2578 | } |
2579 | ||
2580 | /* | |
2581 | * Install MAC hash entry - called upon access VLAN change. | |
2582 | */ | |
d62a17ae | 2583 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2584 | { |
d62a17ae | 2585 | zebra_mac_t *mac; |
2586 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2587 | |
d62a17ae | 2588 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2589 | |
d62a17ae | 2590 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2591 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2592 | } |
2593 | ||
2594 | /* | |
2595 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2596 | * appropriate. | |
2597 | */ | |
d62a17ae | 2598 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2599 | int uninstall) | |
2232a77c | 2600 | { |
60466a63 QY |
2601 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2602 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2603 | return; |
2232a77c | 2604 | |
d62a17ae | 2605 | if (uninstall) |
2606 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2607 | |
d62a17ae | 2608 | zvni_mac_del(zvni, mac); |
2232a77c | 2609 | } |
2610 | ||
2611 | /* | |
2612 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2613 | */ | |
996c9314 | 2614 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2615 | { |
2853fed6 | 2616 | struct zebra_ns *zns; |
d62a17ae | 2617 | struct zebra_if *zif; |
2618 | struct interface *vlan_if; | |
2619 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2620 | struct interface *vrr_if; |
2232a77c | 2621 | |
d62a17ae | 2622 | zif = ifp->info; |
2623 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2624 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2625 | |
d62a17ae | 2626 | if (IS_ZEBRA_DEBUG_VXLAN) |
2627 | zlog_debug( | |
2853fed6 | 2628 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2629 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2630 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2631 | |
2853fed6 | 2632 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2633 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2634 | if (vlan_if) { |
2635 | ||
ead40654 MK |
2636 | /* Add SVI MAC-IP */ |
2637 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2638 | |
ead40654 MK |
2639 | /* Add VRR MAC-IP - if any*/ |
2640 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2641 | if (vrr_if) | |
2642 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2643 | |
2853fed6 | 2644 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2645 | } |
2232a77c | 2646 | } |
2647 | ||
2648 | /* | |
2649 | * Hash function for VNI. | |
2650 | */ | |
d62a17ae | 2651 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2652 | { |
d62a17ae | 2653 | const zebra_vni_t *zvni = p; |
2232a77c | 2654 | |
d62a17ae | 2655 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2656 | } |
2657 | ||
2658 | /* | |
2659 | * Compare 2 VNI hash entries. | |
2660 | */ | |
d62a17ae | 2661 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2662 | { |
d62a17ae | 2663 | const zebra_vni_t *zvni1 = p1; |
2664 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2665 | |
d62a17ae | 2666 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2667 | } |
2668 | ||
2669 | /* | |
2670 | * Callback to allocate VNI hash entry. | |
2671 | */ | |
d62a17ae | 2672 | static void *zvni_alloc(void *p) |
2232a77c | 2673 | { |
d62a17ae | 2674 | const zebra_vni_t *tmp_vni = p; |
2675 | zebra_vni_t *zvni; | |
2232a77c | 2676 | |
d62a17ae | 2677 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2678 | zvni->vni = tmp_vni->vni; | |
2679 | return ((void *)zvni); | |
2232a77c | 2680 | } |
2681 | ||
2682 | /* | |
2683 | * Look up VNI hash entry. | |
2684 | */ | |
2853fed6 | 2685 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2686 | { |
2853fed6 | 2687 | struct zebra_vrf *zvrf; |
d62a17ae | 2688 | zebra_vni_t tmp_vni; |
2689 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2690 | |
2853fed6 | 2691 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2692 | assert(zvrf); | |
d62a17ae | 2693 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2694 | tmp_vni.vni = vni; | |
2695 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2696 | |
d62a17ae | 2697 | return zvni; |
2232a77c | 2698 | } |
2699 | ||
2700 | /* | |
2701 | * Add VNI hash entry. | |
2702 | */ | |
2853fed6 | 2703 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2704 | { |
2853fed6 | 2705 | struct zebra_vrf *zvrf; |
d62a17ae | 2706 | zebra_vni_t tmp_zvni; |
2707 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2708 | |
2853fed6 | 2709 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2710 | assert(zvrf); | |
d62a17ae | 2711 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2712 | tmp_zvni.vni = vni; | |
2713 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2714 | assert(zvni); | |
2232a77c | 2715 | |
d62a17ae | 2716 | /* Create hash table for MAC */ |
2717 | zvni->mac_table = | |
2718 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2719 | |
d62a17ae | 2720 | /* Create hash table for neighbors */ |
2721 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2722 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2723 | |
d62a17ae | 2724 | return zvni; |
2232a77c | 2725 | } |
2726 | ||
2727 | /* | |
2728 | * Delete VNI hash entry. | |
2729 | */ | |
2853fed6 | 2730 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2731 | { |
2853fed6 | 2732 | struct zebra_vrf *zvrf; |
d62a17ae | 2733 | zebra_vni_t *tmp_zvni; |
2232a77c | 2734 | |
2853fed6 | 2735 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2736 | assert(zvrf); | |
2737 | ||
d62a17ae | 2738 | zvni->vxlan_if = NULL; |
2232a77c | 2739 | |
d62a17ae | 2740 | /* Free the neighbor hash table. */ |
2741 | hash_free(zvni->neigh_table); | |
2742 | zvni->neigh_table = NULL; | |
2232a77c | 2743 | |
d62a17ae | 2744 | /* Free the MAC hash table. */ |
2745 | hash_free(zvni->mac_table); | |
2746 | zvni->mac_table = NULL; | |
2232a77c | 2747 | |
d62a17ae | 2748 | /* Free the VNI hash entry and allocated memory. */ |
2749 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2750 | if (tmp_zvni) | |
2751 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2752 | |
d62a17ae | 2753 | return 0; |
2232a77c | 2754 | } |
2755 | ||
2756 | /* | |
2757 | * Inform BGP about local VNI addition. | |
2758 | */ | |
2853fed6 | 2759 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2760 | { |
d62a17ae | 2761 | struct zserv *client; |
2762 | struct stream *s; | |
2232a77c | 2763 | |
21ccc0cf | 2764 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2765 | /* BGP may not be running. */ |
2766 | if (!client) | |
2767 | return 0; | |
2232a77c | 2768 | |
1002497a | 2769 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2770 | |
7cf15b25 | 2771 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2772 | stream_putl(s, zvni->vni); |
2773 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2774 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2775 | |
d62a17ae | 2776 | /* Write packet size. */ |
2777 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2778 | |
d62a17ae | 2779 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2780 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2781 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2782 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2783 | zebra_route_string(client->proto)); |
2232a77c | 2784 | |
d62a17ae | 2785 | client->vniadd_cnt++; |
21ccc0cf | 2786 | return zserv_send_message(client, s); |
2232a77c | 2787 | } |
2788 | ||
2789 | /* | |
2790 | * Inform BGP about local VNI deletion. | |
2791 | */ | |
2853fed6 | 2792 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2793 | { |
d62a17ae | 2794 | struct zserv *client; |
2795 | struct stream *s; | |
2232a77c | 2796 | |
21ccc0cf | 2797 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2798 | /* BGP may not be running. */ |
2799 | if (!client) | |
2800 | return 0; | |
2232a77c | 2801 | |
1002497a | 2802 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2803 | stream_reset(s); |
2232a77c | 2804 | |
7cf15b25 | 2805 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2806 | stream_putl(s, vni); |
2232a77c | 2807 | |
d62a17ae | 2808 | /* Write packet size. */ |
2809 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2810 | |
d62a17ae | 2811 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2812 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2813 | zebra_route_string(client->proto)); |
2232a77c | 2814 | |
d62a17ae | 2815 | client->vnidel_cnt++; |
21ccc0cf | 2816 | return zserv_send_message(client, s); |
2232a77c | 2817 | } |
2818 | ||
2819 | /* | |
2820 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2821 | * is called when EVPN (advertise-all-vni) is enabled. | |
2822 | */ | |
2853fed6 | 2823 | static void zvni_build_hash_table() |
2232a77c | 2824 | { |
2853fed6 | 2825 | struct zebra_ns *zns; |
2826 | struct route_node *rn; | |
d62a17ae | 2827 | struct interface *ifp; |
2232a77c | 2828 | |
d62a17ae | 2829 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2830 | zns = zebra_ns_lookup(NS_DEFAULT); |
2831 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2832 | vni_t vni; |
643215ce | 2833 | zebra_vni_t *zvni = NULL; |
2834 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2835 | struct zebra_if *zif; |
2836 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2837 | |
2853fed6 | 2838 | ifp = (struct interface *)rn->info; |
2839 | if (!ifp) | |
2840 | continue; | |
d62a17ae | 2841 | zif = ifp->info; |
2842 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2843 | continue; | |
2232a77c | 2844 | |
b7cfce93 | 2845 | vxl = &zif->l2info.vxl; |
d62a17ae | 2846 | vni = vxl->vni; |
2232a77c | 2847 | |
643215ce | 2848 | /* L3-VNI and L2-VNI are handled seperately */ |
2849 | zl3vni = zl3vni_lookup(vni); | |
2850 | if (zl3vni) { | |
2232a77c | 2851 | |
b7cfce93 | 2852 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2853 | zlog_debug( |
2854 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2855 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2856 | |
b7cfce93 | 2857 | /* associate with vxlan_if */ |
b67a60d2 | 2858 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2859 | zl3vni->vxlan_if = ifp; |
2232a77c | 2860 | |
523cafc4 | 2861 | /* |
2862 | * we need to associate with SVI. | |
b7cfce93 | 2863 | * we can associate with svi-if only after association |
523cafc4 | 2864 | * with vxlan-intf is complete |
2865 | */ | |
b7cfce93 MK |
2866 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2867 | ||
2868 | if (is_l3vni_oper_up(zl3vni)) | |
2869 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2870 | ||
2871 | } else { | |
b7cfce93 MK |
2872 | struct interface *vlan_if = NULL; |
2873 | ||
2874 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2875 | zlog_debug( | |
2876 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2877 | ifp->name, ifp->ifindex, vni, | |
2878 | inet_ntoa(vxl->vtep_ip)); | |
2879 | ||
2880 | /* VNI hash entry is not expected to exist. */ | |
2881 | zvni = zvni_lookup(vni); | |
2882 | if (zvni) { | |
43e52561 | 2883 | zlog_warn( |
b7cfce93 MK |
2884 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2885 | ifp->name, ifp->ifindex, vni); | |
2886 | continue; | |
2887 | } | |
2888 | ||
2889 | zvni = zvni_add(vni); | |
2890 | if (!zvni) { | |
43e52561 | 2891 | zlog_warn( |
b7cfce93 MK |
2892 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
2893 | ifp->name, ifp->ifindex, vni); | |
2894 | return; | |
2895 | } | |
2896 | ||
2897 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2898 | zvni->vxlan_if = ifp; | |
2899 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2900 | zif->brslave_info.br_if); | |
2901 | if (vlan_if) { | |
2902 | zvni->vrf_id = vlan_if->vrf_id; | |
2903 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2904 | if (zl3vni) | |
2905 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2906 | } | |
2907 | ||
2908 | ||
2909 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2910 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2911 | zvni_send_add_to_client(zvni); | |
2912 | } | |
d62a17ae | 2913 | } |
2232a77c | 2914 | } |
2915 | ||
2916 | /* | |
2917 | * See if remote VTEP matches with prefix. | |
2918 | */ | |
d62a17ae | 2919 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2920 | { |
d62a17ae | 2921 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2922 | } |
2923 | ||
2924 | /* | |
2925 | * Locate remote VTEP in VNI hash table. | |
2926 | */ | |
d62a17ae | 2927 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2928 | { |
d62a17ae | 2929 | zebra_vtep_t *zvtep; |
2232a77c | 2930 | |
d62a17ae | 2931 | if (!zvni) |
2932 | return NULL; | |
2232a77c | 2933 | |
d62a17ae | 2934 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2935 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2936 | break; | |
2937 | } | |
2232a77c | 2938 | |
d62a17ae | 2939 | return zvtep; |
2232a77c | 2940 | } |
2941 | ||
2942 | /* | |
2943 | * Add remote VTEP to VNI hash table. | |
2944 | */ | |
d62a17ae | 2945 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2946 | { |
d62a17ae | 2947 | zebra_vtep_t *zvtep; |
2232a77c | 2948 | |
d62a17ae | 2949 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 2950 | |
d62a17ae | 2951 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2952 | |
d62a17ae | 2953 | if (zvni->vteps) |
2954 | zvni->vteps->prev = zvtep; | |
2955 | zvtep->next = zvni->vteps; | |
2956 | zvni->vteps = zvtep; | |
2232a77c | 2957 | |
d62a17ae | 2958 | return zvtep; |
2232a77c | 2959 | } |
2960 | ||
2961 | /* | |
2962 | * Remove remote VTEP from VNI hash table. | |
2963 | */ | |
d62a17ae | 2964 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2965 | { |
d62a17ae | 2966 | if (zvtep->next) |
2967 | zvtep->next->prev = zvtep->prev; | |
2968 | if (zvtep->prev) | |
2969 | zvtep->prev->next = zvtep->next; | |
2970 | else | |
2971 | zvni->vteps = zvtep->next; | |
2232a77c | 2972 | |
d62a17ae | 2973 | zvtep->prev = zvtep->next = NULL; |
2974 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2975 | |
d62a17ae | 2976 | return 0; |
2232a77c | 2977 | } |
2978 | ||
2979 | /* | |
2980 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
2981 | * uninstall from kernel if asked to. | |
2982 | */ | |
d62a17ae | 2983 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 2984 | { |
d62a17ae | 2985 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 2986 | |
d62a17ae | 2987 | if (!zvni) |
2988 | return -1; | |
2232a77c | 2989 | |
d62a17ae | 2990 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
2991 | zvtep_next = zvtep->next; | |
2992 | if (uninstall) | |
2993 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
2994 | zvni_vtep_del(zvni, zvtep); | |
2995 | } | |
2232a77c | 2996 | |
d62a17ae | 2997 | return 0; |
2232a77c | 2998 | } |
2999 | ||
3000 | /* | |
3001 | * Install remote VTEP into the kernel. | |
3002 | */ | |
d62a17ae | 3003 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3004 | { |
d62a17ae | 3005 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3006 | } |
3007 | ||
3008 | /* | |
3009 | * Uninstall remote VTEP from the kernel. | |
3010 | */ | |
d62a17ae | 3011 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3012 | { |
d62a17ae | 3013 | if (!zvni->vxlan_if) { |
43e52561 QY |
3014 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
3015 | zvni->vni, zvni); | |
d62a17ae | 3016 | return -1; |
3017 | } | |
2232a77c | 3018 | |
d62a17ae | 3019 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3020 | } |
3021 | ||
3022 | /* | |
3023 | * Cleanup VNI/VTEP and update kernel | |
3024 | */ | |
84915b0a | 3025 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3026 | { |
b7cfce93 MK |
3027 | zebra_vni_t *zvni = NULL; |
3028 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3029 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3030 | |
d62a17ae | 3031 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3032 | |
b7cfce93 | 3033 | /* remove from l3-vni list */ |
84915b0a | 3034 | if (zvrf->l3vni) |
3035 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3036 | if (zl3vni) |
3037 | listnode_delete(zl3vni->l2vnis, zvni); | |
3038 | ||
d62a17ae | 3039 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3040 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3041 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3042 | |
d62a17ae | 3043 | /* Free up all remote VTEPs, if any. */ |
3044 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3045 | |
d62a17ae | 3046 | /* Delete the hash entry. */ |
2853fed6 | 3047 | zvni_del(zvni); |
2232a77c | 3048 | } |
3049 | ||
655b04d1 | 3050 | /* cleanup L3VNI */ |
996c9314 | 3051 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3052 | { |
3053 | zebra_l3vni_t *zl3vni = NULL; | |
3054 | ||
3055 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3056 | |
3057 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3058 | } | |
3059 | ||
85442b09 | 3060 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3061 | struct prefix *host) |
5e1b0650 DS |
3062 | { |
3063 | struct host_rb_entry lookup; | |
3064 | struct host_rb_entry *hle; | |
3065 | ||
3066 | memset(&lookup, 0, sizeof(lookup)); | |
3067 | memcpy(&lookup.p, host, sizeof(*host)); | |
3068 | ||
85442b09 | 3069 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3070 | if (hle) |
3071 | return; | |
3072 | ||
3073 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3074 | memcpy(hle, &lookup, sizeof(lookup)); | |
3075 | ||
85442b09 | 3076 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3077 | } |
3078 | ||
85442b09 | 3079 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3080 | { |
3081 | struct host_rb_entry lookup; | |
3082 | struct host_rb_entry *hle; | |
3083 | ||
3084 | memset(&lookup, 0, sizeof(lookup)); | |
3085 | memcpy(&lookup.p, host, sizeof(*host)); | |
3086 | ||
85442b09 | 3087 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3088 | if (hle) { |
85442b09 | 3089 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3090 | XFREE(MTYPE_HOST_PREFIX, hle); |
3091 | } | |
5e1b0650 DS |
3092 | |
3093 | return; | |
3094 | } | |
3095 | ||
b7cfce93 MK |
3096 | /* |
3097 | * Look up MAC hash entry. | |
3098 | */ | |
2dbad57f | 3099 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3100 | struct ethaddr *rmac) |
3101 | { | |
3102 | zebra_mac_t tmp; | |
3103 | zebra_mac_t *pmac; | |
3104 | ||
3105 | memset(&tmp, 0, sizeof(tmp)); | |
3106 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3107 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3108 | |
b7cfce93 | 3109 | return pmac; |
2dbad57f | 3110 | } |
2232a77c | 3111 | |
cec2e17d | 3112 | /* |
b7cfce93 | 3113 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3114 | */ |
2dbad57f | 3115 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3116 | { |
b7cfce93 MK |
3117 | const zebra_mac_t *tmp_rmac = p; |
3118 | zebra_mac_t *zrmac; | |
d62a17ae | 3119 | |
b7cfce93 MK |
3120 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3121 | *zrmac = *tmp_rmac; | |
d62a17ae | 3122 | |
b7cfce93 | 3123 | return ((void *)zrmac); |
2dbad57f | 3124 | } |
cd233079 | 3125 | |
b7cfce93 MK |
3126 | /* |
3127 | * Add RMAC entry to l3-vni | |
3128 | */ | |
996c9314 | 3129 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3130 | { |
3131 | zebra_mac_t tmp_rmac; | |
3132 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3133 | |
b7cfce93 MK |
3134 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3135 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3136 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3137 | assert(zrmac); | |
d62a17ae | 3138 | |
85442b09 | 3139 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3140 | |
2dbad57f | 3141 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3142 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3143 | ||
b7cfce93 | 3144 | return zrmac; |
2dbad57f | 3145 | } |
cec2e17d | 3146 | |
3147 | /* | |
b7cfce93 | 3148 | * Delete MAC entry. |
cec2e17d | 3149 | */ |
996c9314 | 3150 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3151 | { |
b7cfce93 | 3152 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3153 | struct host_rb_entry *hle; |
cd233079 | 3154 | |
85442b09 DS |
3155 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3156 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3157 | |
85442b09 | 3158 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3159 | XFREE(MTYPE_HOST_PREFIX, hle); |
3160 | } | |
cd233079 | 3161 | |
b7cfce93 MK |
3162 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3163 | if (tmp_rmac) | |
3164 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3165 | |
b7cfce93 | 3166 | return 0; |
2dbad57f | 3167 | } |
cec2e17d | 3168 | |
3169 | /* | |
b7cfce93 | 3170 | * Install remote RMAC into the kernel. |
cec2e17d | 3171 | */ |
996c9314 | 3172 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3173 | { |
b7cfce93 MK |
3174 | struct zebra_if *zif = NULL; |
3175 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3176 | |
996c9314 LB |
3177 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3178 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3179 | return 0; |
3180 | ||
3181 | zif = zl3vni->vxlan_if->info; | |
3182 | if (!zif) | |
3183 | return -1; | |
3184 | ||
3185 | vxl = &zif->l2info.vxl; | |
3186 | ||
3187 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3188 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3189 | } |
b7cfce93 MK |
3190 | |
3191 | /* | |
3192 | * Uninstall remote RMAC from the kernel. | |
3193 | */ | |
996c9314 | 3194 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3195 | { |
3196 | char buf[ETHER_ADDR_STRLEN]; | |
3197 | struct zebra_if *zif = NULL; | |
3198 | struct zebra_l2info_vxlan *vxl = NULL; | |
3199 | ||
996c9314 LB |
3200 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3201 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3202 | return 0; |
3203 | ||
3204 | if (!zl3vni->vxlan_if) { | |
43e52561 | 3205 | zlog_warn( |
996c9314 LB |
3206 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3207 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3208 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3209 | return -1; |
3210 | } | |
3211 | ||
3212 | zif = zl3vni->vxlan_if->info; | |
3213 | if (!zif) | |
3214 | return -1; | |
3215 | ||
3216 | vxl = &zif->l2info.vxl; | |
3217 | ||
3218 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3219 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3220 | } |
3221 | ||
3222 | /* handle rmac add */ | |
996c9314 | 3223 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3224 | struct ipaddr *vtep_ip, |
3225 | struct prefix *host_prefix) | |
2dbad57f | 3226 | { |
3227 | char buf[ETHER_ADDR_STRLEN]; | |
3228 | char buf1[INET6_ADDRSTRLEN]; | |
3229 | zebra_mac_t *zrmac = NULL; | |
3230 | ||
3231 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3232 | if (!zrmac) { | |
3233 | ||
3234 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3235 | if (!zrmac) { | |
3236 | zlog_warn( | |
3237 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
996c9314 LB |
3238 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3239 | zl3vni->vni, | |
3240 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3241 | return -1; |
3242 | } | |
3243 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3244 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3245 | ||
3246 | /* install rmac in kernel */ | |
3247 | zl3vni_rmac_install(zl3vni, zrmac); | |
3248 | } | |
6134fd82 | 3249 | |
41db76c2 | 3250 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3251 | |
2dbad57f | 3252 | return 0; |
3253 | } | |
3254 | ||
3255 | ||
3256 | /* handle rmac delete */ | |
22e63104 | 3257 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3258 | struct prefix *host_prefix) |
2dbad57f | 3259 | { |
41db76c2 | 3260 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3261 | |
85442b09 | 3262 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3263 | /* uninstall from kernel */ |
3264 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3265 | ||
3266 | /* del the rmac entry */ | |
3267 | zl3vni_rmac_del(zl3vni, zrmac); | |
3268 | } | |
2dbad57f | 3269 | } |
b7cfce93 MK |
3270 | |
3271 | /* | |
3272 | * Look up nh hash entry on a l3-vni. | |
3273 | */ | |
996c9314 | 3274 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3275 | { |
3276 | zebra_neigh_t tmp; | |
3277 | zebra_neigh_t *n; | |
3278 | ||
3279 | memset(&tmp, 0, sizeof(tmp)); | |
3280 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3281 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3282 | ||
3283 | return n; | |
2dbad57f | 3284 | } |
b7cfce93 MK |
3285 | |
3286 | ||
3287 | /* | |
3288 | * Callback to allocate NH hash entry on L3-VNI. | |
3289 | */ | |
2dbad57f | 3290 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3291 | { |
3292 | const zebra_neigh_t *tmp_n = p; | |
3293 | zebra_neigh_t *n; | |
3294 | ||
3295 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3296 | *n = *tmp_n; | |
3297 | ||
3298 | return ((void *)n); | |
2dbad57f | 3299 | } |
b7cfce93 MK |
3300 | |
3301 | /* | |
3302 | * Add neighbor entry. | |
3303 | */ | |
996c9314 | 3304 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3305 | struct ethaddr *mac) |
3306 | { | |
3307 | zebra_neigh_t tmp_n; | |
3308 | zebra_neigh_t *n = NULL; | |
3309 | ||
3310 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3311 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3312 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3313 | assert(n); | |
3314 | ||
85442b09 | 3315 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3316 | |
b7cfce93 | 3317 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3318 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3319 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3320 | |
3321 | return n; | |
2dbad57f | 3322 | } |
b7cfce93 MK |
3323 | |
3324 | /* | |
3325 | * Delete neighbor entry. | |
3326 | */ | |
996c9314 | 3327 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3328 | { |
3329 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3330 | struct host_rb_entry *hle; |
b7cfce93 | 3331 | |
85442b09 DS |
3332 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3333 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3334 | |
85442b09 | 3335 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3336 | XFREE(MTYPE_HOST_PREFIX, hle); |
3337 | } | |
55aabf6f | 3338 | |
b7cfce93 MK |
3339 | tmp_n = hash_release(zl3vni->nh_table, n); |
3340 | if (tmp_n) | |
3341 | XFREE(MTYPE_NEIGH, tmp_n); | |
3342 | ||
3343 | return 0; | |
2dbad57f | 3344 | } |
b7cfce93 MK |
3345 | |
3346 | /* | |
3347 | * Install remote nh as neigh into the kernel. | |
3348 | */ | |
996c9314 | 3349 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3350 | { |
68e33151 CS |
3351 | uint8_t flags; |
3352 | int ret = 0; | |
3353 | ||
b7cfce93 MK |
3354 | if (!is_l3vni_oper_up(zl3vni)) |
3355 | return -1; | |
3356 | ||
996c9314 LB |
3357 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3358 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3359 | return 0; |
68e33151 CS |
3360 | #ifdef GNU_LINUX |
3361 | flags = NTF_EXT_LEARNED; | |
3362 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3363 | flags |= NTF_ROUTER; | |
3364 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3365 | #endif | |
3366 | return ret; | |
2dbad57f | 3367 | } |
b7cfce93 MK |
3368 | |
3369 | /* | |
3370 | * Uninstall remote nh from the kernel. | |
3371 | */ | |
996c9314 | 3372 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3373 | { |
996c9314 LB |
3374 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3375 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3376 | return 0; |
3377 | ||
fa409e1e | 3378 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3379 | return 0; | |
3380 | ||
b7cfce93 | 3381 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3382 | } |
3383 | ||
3384 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3385 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3386 | struct ethaddr *rmac, |
3387 | struct prefix *host_prefix) | |
2dbad57f | 3388 | { |
3389 | char buf[ETHER_ADDR_STRLEN]; | |
3390 | char buf1[INET6_ADDRSTRLEN]; | |
3391 | zebra_neigh_t *nh = NULL; | |
3392 | ||
3393 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3394 | if (!nh) { | |
3395 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3396 | if (!nh) { | |
3397 | ||
3398 | zlog_warn( | |
3399 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
996c9314 LB |
3400 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3401 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3402 | zl3vni->vni); |
3403 | return -1; | |
3404 | } | |
3405 | ||
3406 | /* install the nh neigh in kernel */ | |
3407 | zl3vni_nh_install(zl3vni, nh); | |
3408 | } | |
6134fd82 | 3409 | |
f2a503f0 | 3410 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3411 | |
2dbad57f | 3412 | return 0; |
3413 | } | |
3414 | ||
3415 | /* handle nh neigh delete */ | |
22e63104 | 3416 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3417 | struct prefix *host_prefix) | |
2dbad57f | 3418 | { |
f2a503f0 | 3419 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3420 | |
85442b09 | 3421 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3422 | /* uninstall from kernel */ |
3423 | zl3vni_nh_uninstall(zl3vni, nh); | |
3424 | ||
3425 | /* delete the nh entry */ | |
3426 | zl3vni_nh_del(zl3vni, nh); | |
3427 | } | |
2dbad57f | 3428 | } |
b7cfce93 | 3429 | |
3bcbba10 | 3430 | /* handle neigh update from kernel - the only thing of interest is to |
3431 | * readd stale entries. | |
3432 | */ | |
996c9314 | 3433 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3434 | uint16_t state) |
3bcbba10 | 3435 | { |
c05a738b | 3436 | #ifdef GNU_LINUX |
3bcbba10 | 3437 | zebra_neigh_t *n = NULL; |
3438 | ||
3439 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3440 | if (!n) | |
3441 | return 0; | |
3442 | ||
3443 | /* all next hop neigh are remote and installed by frr. | |
3444 | * If the kernel has aged this entry, re-install. | |
3445 | */ | |
3446 | if (state & NUD_STALE) | |
3447 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3448 | #endif |
3bcbba10 | 3449 | return 0; |
3450 | } | |
3451 | ||
8c9b80b9 | 3452 | /* handle neigh delete from kernel */ |
996c9314 | 3453 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3454 | { |
3455 | zebra_neigh_t *n = NULL; | |
3456 | ||
3457 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3458 | if (!n) | |
3459 | return 0; | |
3460 | ||
3461 | /* all next hop neigh are remote and installed by frr. | |
3462 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3463 | * install it back |
3464 | */ | |
8c9b80b9 MK |
3465 | zl3vni_nh_install(zl3vni, n); |
3466 | ||
3467 | return 0; | |
3468 | } | |
3469 | ||
b7cfce93 MK |
3470 | /* |
3471 | * Hash function for L3 VNI. | |
3472 | */ | |
3473 | static unsigned int l3vni_hash_keymake(void *p) | |
3474 | { | |
3475 | const zebra_l3vni_t *zl3vni = p; | |
3476 | ||
3477 | return jhash_1word(zl3vni->vni, 0); | |
3478 | } | |
3479 | ||
3480 | /* | |
3481 | * Compare 2 L3 VNI hash entries. | |
3482 | */ | |
3483 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3484 | { | |
3485 | const zebra_l3vni_t *zl3vni1 = p1; | |
3486 | const zebra_l3vni_t *zl3vni2 = p2; | |
3487 | ||
3488 | return (zl3vni1->vni == zl3vni2->vni); | |
3489 | } | |
3490 | ||
3491 | /* | |
3492 | * Callback to allocate L3 VNI hash entry. | |
3493 | */ | |
3494 | static void *zl3vni_alloc(void *p) | |
3495 | { | |
3496 | zebra_l3vni_t *zl3vni = NULL; | |
3497 | const zebra_l3vni_t *tmp_l3vni = p; | |
3498 | ||
3499 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3500 | zl3vni->vni = tmp_l3vni->vni; | |
3501 | return ((void *)zl3vni); | |
3502 | } | |
3503 | ||
3504 | /* | |
3505 | * Look up L3 VNI hash entry. | |
3506 | */ | |
3507 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3508 | { | |
3509 | struct zebra_ns *zns; | |
3510 | zebra_l3vni_t tmp_l3vni; | |
3511 | zebra_l3vni_t *zl3vni = NULL; | |
3512 | ||
3513 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3514 | assert(zns); | |
3515 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3516 | tmp_l3vni.vni = vni; | |
3517 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3518 | ||
3519 | return zl3vni; | |
3520 | } | |
3521 | ||
3522 | /* | |
3523 | * Add L3 VNI hash entry. | |
3524 | */ | |
3525 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3526 | { | |
3527 | zebra_l3vni_t tmp_zl3vni; | |
3528 | struct zebra_ns *zns = NULL; | |
3529 | zebra_l3vni_t *zl3vni = NULL; | |
3530 | ||
3531 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3532 | assert(zns); | |
3533 | ||
3534 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3535 | tmp_zl3vni.vni = vni; | |
3536 | ||
3537 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3538 | assert(zl3vni); | |
3539 | ||
3540 | zl3vni->vrf_id = vrf_id; | |
3541 | zl3vni->svi_if = NULL; | |
3542 | zl3vni->vxlan_if = NULL; | |
3543 | zl3vni->l2vnis = list_new(); | |
3544 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3545 | ||
3546 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3547 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3548 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3549 | |
3550 | /* Create hash table for neighbors */ | |
3551 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3552 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3553 | |
3554 | return zl3vni; | |
3555 | } | |
3556 | ||
3557 | /* | |
3558 | * Delete L3 VNI hash entry. | |
3559 | */ | |
3560 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3561 | { | |
3562 | struct zebra_ns *zns; | |
3563 | zebra_l3vni_t *tmp_zl3vni; | |
3564 | ||
3565 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3566 | assert(zns); | |
3567 | ||
3568 | /* free the list of l2vnis */ | |
3569 | list_delete_and_null(&zl3vni->l2vnis); | |
3570 | zl3vni->l2vnis = NULL; | |
3571 | ||
3572 | /* Free the rmac table */ | |
3573 | hash_free(zl3vni->rmac_table); | |
3574 | zl3vni->rmac_table = NULL; | |
3575 | ||
3576 | /* Free the nh table */ | |
3577 | hash_free(zl3vni->nh_table); | |
3578 | zl3vni->nh_table = NULL; | |
3579 | ||
3580 | /* Free the VNI hash entry and allocated memory. */ | |
3581 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3582 | if (tmp_zl3vni) | |
3583 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3584 | ||
3585 | return 0; | |
3586 | } | |
3587 | ||
b7cfce93 MK |
3588 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3589 | { | |
3590 | struct zebra_ns *zns = NULL; | |
3591 | struct route_node *rn = NULL; | |
3592 | struct interface *ifp = NULL; | |
3593 | ||
3594 | /* loop through all vxlan-interface */ | |
3595 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3596 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3597 | ||
3598 | struct zebra_if *zif = NULL; | |
3599 | struct zebra_l2info_vxlan *vxl = NULL; | |
3600 | ||
3601 | ifp = (struct interface *)rn->info; | |
3602 | if (!ifp) | |
3603 | continue; | |
3604 | ||
3605 | zif = ifp->info; | |
3606 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3607 | continue; | |
3608 | ||
3609 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3610 | if (vxl->vni == zl3vni->vni) { |
3611 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3612 | return ifp; |
b67a60d2 | 3613 | } |
b7cfce93 MK |
3614 | } |
3615 | ||
3616 | return NULL; | |
3617 | } | |
3618 | ||
3619 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3620 | { | |
996c9314 | 3621 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3622 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3623 | ||
2aeb403d | 3624 | if (!zl3vni) |
3625 | return NULL; | |
3626 | ||
b7cfce93 MK |
3627 | if (!zl3vni->vxlan_if) |
3628 | return NULL; | |
3629 | ||
3630 | zif = zl3vni->vxlan_if->info; | |
3631 | if (!zif) | |
3632 | return NULL; | |
3633 | ||
3634 | vxl = &zif->l2info.vxl; | |
3635 | ||
3636 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3637 | } | |
3638 | ||
3639 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3640 | { | |
3641 | struct zebra_vrf *zvrf = NULL; | |
3642 | ||
3643 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3644 | if (!zvrf) | |
3645 | return NULL; | |
3646 | ||
3647 | return zl3vni_lookup(zvrf->l3vni); | |
3648 | } | |
3649 | ||
3650 | /* | |
3651 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3652 | * neighbor notifications, to see if they are of interest. | |
3653 | */ | |
3654 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3655 | struct interface *br_if) | |
3656 | { | |
3657 | int found = 0; | |
3658 | vlanid_t vid = 0; | |
d7c0a89a | 3659 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3660 | zebra_l3vni_t *zl3vni = NULL; |
3661 | struct zebra_ns *zns = NULL; | |
3662 | struct route_node *rn = NULL; | |
3663 | struct zebra_if *zif = NULL; | |
3664 | struct interface *tmp_if = NULL; | |
3665 | struct zebra_l2info_bridge *br = NULL; | |
3666 | struct zebra_l2info_vxlan *vxl = NULL; | |
3667 | ||
3668 | if (!br_if) | |
3669 | return NULL; | |
3670 | ||
3671 | /* Make sure the linked interface is a bridge. */ | |
3672 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3673 | return NULL; | |
3674 | ||
3675 | /* Determine if bridge is VLAN-aware or not */ | |
3676 | zif = br_if->info; | |
3677 | assert(zif); | |
3678 | br = &zif->l2info.br; | |
3679 | bridge_vlan_aware = br->vlan_aware; | |
3680 | if (bridge_vlan_aware) { | |
3681 | struct zebra_l2info_vlan *vl; | |
3682 | ||
3683 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3684 | return NULL; | |
3685 | ||
3686 | zif = ifp->info; | |
3687 | assert(zif); | |
3688 | vl = &zif->l2info.vl; | |
3689 | vid = vl->vid; | |
3690 | } | |
3691 | ||
3692 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3693 | /* TODO: Optimize with a hash. */ | |
3694 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3695 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3696 | tmp_if = (struct interface *)rn->info; | |
3697 | if (!tmp_if) | |
3698 | continue; | |
3699 | zif = tmp_if->info; | |
3700 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3701 | continue; | |
3702 | if (!if_is_operative(tmp_if)) | |
3703 | continue; | |
3704 | vxl = &zif->l2info.vxl; | |
3705 | ||
3706 | if (zif->brslave_info.br_if != br_if) | |
3707 | continue; | |
3708 | ||
3709 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3710 | found = 1; | |
3711 | break; | |
3712 | } | |
3713 | } | |
3714 | ||
3715 | if (!found) | |
3716 | return NULL; | |
3717 | ||
3718 | zl3vni = zl3vni_lookup(vxl->vni); | |
3719 | return zl3vni; | |
3720 | } | |
3721 | ||
3722 | /* | |
3723 | * Inform BGP about l3-vni. | |
3724 | */ | |
3725 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3726 | { | |
3727 | struct stream *s = NULL; | |
3728 | struct zserv *client = NULL; | |
3729 | struct ethaddr rmac; | |
3730 | char buf[ETHER_ADDR_STRLEN]; | |
3731 | ||
21ccc0cf | 3732 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3733 | /* BGP may not be running. */ |
3734 | if (!client) | |
3735 | return 0; | |
3736 | ||
3737 | /* get the rmac */ | |
3738 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3739 | zl3vni_get_rmac(zl3vni, &rmac); | |
3740 | ||
1002497a | 3741 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3742 | |
996c9314 | 3743 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3744 | stream_putl(s, zl3vni->vni); |
3745 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3746 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3747 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3748 | |
3749 | /* Write packet size. */ | |
3750 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3751 | ||
3752 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3753 | zlog_debug( |
996c9314 LB |
3754 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3755 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3756 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3757 | inet_ntoa(zl3vni->local_vtep_ip), | |
3758 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3759 | ? "prefix-routes-only" | |
3760 | : "none", | |
3761 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3762 | |
3763 | client->l3vniadd_cnt++; | |
21ccc0cf | 3764 | return zserv_send_message(client, s); |
b7cfce93 MK |
3765 | } |
3766 | ||
3767 | /* | |
3768 | * Inform BGP about local l3-VNI deletion. | |
3769 | */ | |
3770 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3771 | { | |
3772 | struct stream *s = NULL; | |
3773 | struct zserv *client = NULL; | |
3774 | ||
21ccc0cf | 3775 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3776 | /* BGP may not be running. */ |
3777 | if (!client) | |
3778 | return 0; | |
3779 | ||
1002497a | 3780 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3781 | |
996c9314 | 3782 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3783 | stream_putl(s, zl3vni->vni); |
3784 | ||
3785 | /* Write packet size. */ | |
3786 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3787 | ||
3788 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3789 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3790 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3791 | zebra_route_string(client->proto)); | |
3792 | ||
3793 | client->l3vnidel_cnt++; | |
21ccc0cf | 3794 | return zserv_send_message(client, s); |
b7cfce93 MK |
3795 | } |
3796 | ||
3797 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3798 | { | |
2aeb403d | 3799 | if (!zl3vni) |
3800 | return; | |
3801 | ||
b7cfce93 MK |
3802 | /* send l3vni add to BGP */ |
3803 | zl3vni_send_add_to_client(zl3vni); | |
3804 | } | |
3805 | ||
3806 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3807 | { | |
2aeb403d | 3808 | if (!zl3vni) |
3809 | return; | |
3810 | ||
b7cfce93 MK |
3811 | /* send l3-vni del to BGP*/ |
3812 | zl3vni_send_del_to_client(zl3vni); | |
3813 | } | |
3814 | ||
996c9314 | 3815 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3816 | { |
996c9314 LB |
3817 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3818 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3819 | |
3820 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3821 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3822 | } | |
3823 | ||
b7cfce93 MK |
3824 | /* |
3825 | * handle transition of vni from l2 to l3 and vice versa | |
3826 | */ | |
996c9314 LB |
3827 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3828 | int add) | |
b7cfce93 MK |
3829 | { |
3830 | zebra_vni_t *zvni = NULL; | |
3831 | ||
3832 | /* There is a possibility that VNI notification was already received | |
3833 | * from kernel and we programmed it as L2-VNI | |
3834 | * In such a case we need to delete this L2-VNI first, so | |
3835 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3836 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3837 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3838 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3839 | */ | |
b7cfce93 MK |
3840 | if (add) { |
3841 | /* Locate hash entry */ | |
3842 | zvni = zvni_lookup(vni); | |
3843 | if (!zvni) | |
3844 | return 0; | |
3845 | ||
3846 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3847 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3848 | |
3849 | /* Delete VNI from BGP. */ | |
3850 | zvni_send_del_to_client(zvni->vni); | |
3851 | ||
3852 | /* Free up all neighbors and MAC, if any. */ | |
3853 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3854 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3855 | ||
3856 | /* Free up all remote VTEPs, if any. */ | |
3857 | zvni_vtep_del_all(zvni, 0); | |
3858 | ||
3859 | /* Delete the hash entry. */ | |
3860 | if (zvni_del(zvni)) { | |
af4c2728 | 3861 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
3862 | "Failed to del VNI hash %p, VNI %u", zvni, |
3863 | zvni->vni); | |
b7cfce93 MK |
3864 | return -1; |
3865 | } | |
3866 | } else { | |
3867 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3868 | * enough information at this point to reprogram the vni as | |
3869 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3870 | * used it solely for this purpose |
3871 | */ | |
b7cfce93 MK |
3872 | } |
3873 | ||
3874 | return 0; | |
3875 | } | |
3876 | ||
5e06422c | 3877 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3878 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3879 | { |
3880 | zebra_mac_t *zrmac = NULL; | |
3881 | zebra_l3vni_t *zl3vni = NULL; | |
3882 | ||
3883 | zrmac = (zebra_mac_t *)backet->data; | |
3884 | zl3vni = (zebra_l3vni_t *)ctx; | |
3885 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3886 | zl3vni_rmac_del(zl3vni, zrmac); | |
3887 | } | |
3888 | ||
3889 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3890 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3891 | { |
3892 | zebra_neigh_t *n = NULL; | |
3893 | zebra_l3vni_t *zl3vni = NULL; | |
3894 | ||
3895 | n = (zebra_neigh_t *)backet->data; | |
3896 | zl3vni = (zebra_l3vni_t *)ctx; | |
3897 | zl3vni_nh_uninstall(zl3vni, n); | |
3898 | zl3vni_nh_del(zl3vni, n); | |
3899 | } | |
3900 | ||
996c9314 LB |
3901 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3902 | uint16_t cmd) | |
31310b25 MK |
3903 | { |
3904 | struct zserv *client = NULL; | |
3905 | struct stream *s = NULL; | |
3906 | char buf[PREFIX_STRLEN]; | |
3907 | ||
21ccc0cf | 3908 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3909 | /* BGP may not be running. */ |
3910 | if (!client) | |
3911 | return 0; | |
3912 | ||
1002497a | 3913 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 3914 | |
22bd3e94 | 3915 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3916 | stream_put(s, p, sizeof(struct prefix)); |
3917 | ||
3918 | /* Write packet size. */ | |
3919 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3920 | ||
3921 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3922 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
3923 | prefix2str(p, buf, sizeof(buf)), |
3924 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
3925 | vrf_id_to_name(vrf_id)); | |
3926 | ||
3927 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
3928 | client->prefixadd_cnt++; | |
3929 | else | |
3930 | client->prefixdel_cnt++; | |
3931 | ||
21ccc0cf | 3932 | return zserv_send_message(client, s); |
31310b25 MK |
3933 | } |
3934 | ||
a9a76262 MK |
3935 | /* re-add remote rmac if needed */ |
3936 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 3937 | struct ethaddr *rmac) |
a9a76262 MK |
3938 | { |
3939 | char buf[ETHER_ADDR_STRLEN]; | |
3940 | zebra_mac_t *zrmac = NULL; | |
3941 | ||
3942 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3943 | if (!zrmac) | |
3944 | return 0; | |
3945 | ||
3946 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3947 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 3948 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
3949 | |
3950 | zl3vni_rmac_install(zl3vni, zrmac); | |
3951 | return 0; | |
3952 | } | |
3953 | ||
b7cfce93 MK |
3954 | /* Public functions */ |
3955 | ||
c48d9f5f MK |
3956 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
3957 | { | |
3958 | zebra_l3vni_t *zl3vni = NULL; | |
3959 | ||
3960 | zl3vni = zl3vni_lookup(vni); | |
3961 | if (!zl3vni) | |
3962 | return 0; | |
3963 | ||
3964 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
3965 | } | |
3966 | ||
2dbad57f | 3967 | /* handle evpn route in vrf table */ |
996c9314 LB |
3968 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
3969 | struct ipaddr *vtep_ip, | |
3970 | struct prefix *host_prefix) | |
2dbad57f | 3971 | { |
3972 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 3973 | struct ipaddr ipv4_vtep; |
2dbad57f | 3974 | |
3975 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3976 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3977 | return; | |
3978 | ||
3518f352 | 3979 | /* |
f50dc5e6 MK |
3980 | * add the next hop neighbor - |
3981 | * neigh to be installed is the ipv6 nexthop neigh | |
3982 | */ | |
3518f352 | 3983 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 3984 | |
f50dc5e6 MK |
3985 | /* |
3986 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
3987 | * address. Rmac is programmed against the ipv4 vtep because we only | |
3988 | * support ipv4 tunnels in the h/w right now | |
3989 | */ | |
3990 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
3991 | ipv4_vtep.ipa_type = IPADDR_V4; | |
3992 | if (vtep_ip->ipa_type == IPADDR_V6) | |
3993 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
3994 | &(ipv4_vtep.ipaddr_v4)); | |
3995 | else | |
3996 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
3997 | sizeof(struct in_addr)); | |
3998 | ||
3518f352 DS |
3999 | /* |
4000 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4001 | * nexthop address |
4002 | */ | |
3518f352 | 4003 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4004 | } |
4005 | ||
4006 | /* handle evpn vrf route delete */ | |
22e63104 | 4007 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4008 | struct ipaddr *vtep_ip, |
4009 | struct prefix *host_prefix) | |
2dbad57f | 4010 | { |
4011 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4012 | zebra_neigh_t *nh = NULL; |
4013 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4014 | |
4015 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4016 | if (!zl3vni) |
2dbad57f | 4017 | return; |
4018 | ||
22e63104 | 4019 | /* find the next hop entry and rmac entry */ |
4020 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4021 | if (!nh) | |
4022 | return; | |
4023 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4024 | ||
2dbad57f | 4025 | /* delete the next hop entry */ |
22e63104 | 4026 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4027 | |
4028 | /* delete the rmac entry */ | |
22e63104 | 4029 | if (zrmac) |
4030 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4031 | ||
2dbad57f | 4032 | } |
4033 | ||
996c9314 | 4034 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
316f4ca4 | 4035 | struct ethaddr *rmac, |
d7c0a89a | 4036 | uint8_t use_json) |
9aa741ea MK |
4037 | { |
4038 | zebra_l3vni_t *zl3vni = NULL; | |
4039 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4040 | json_object *json = NULL; |
9aa741ea | 4041 | |
316f4ca4 MK |
4042 | if (!is_evpn_enabled()) { |
4043 | if (use_json) | |
4044 | vty_out(vty, "{}\n"); | |
9aa741ea | 4045 | return; |
316f4ca4 MK |
4046 | } |
4047 | ||
4048 | if (use_json) | |
4049 | json = json_object_new_object(); | |
9aa741ea MK |
4050 | |
4051 | zl3vni = zl3vni_lookup(l3vni); | |
4052 | if (!zl3vni) { | |
316f4ca4 MK |
4053 | if (use_json) |
4054 | vty_out(vty, "{}\n"); | |
4055 | else | |
996c9314 | 4056 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4057 | return; |
4058 | } | |
4059 | ||
4060 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4061 | if (!zrmac) { | |
316f4ca4 MK |
4062 | if (use_json) |
4063 | vty_out(vty, "{}\n"); | |
4064 | else | |
4065 | vty_out(vty, | |
4066 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4067 | l3vni); | |
9aa741ea MK |
4068 | return; |
4069 | } | |
4070 | ||
316f4ca4 MK |
4071 | zl3vni_print_rmac(zrmac, vty, json); |
4072 | ||
4073 | if (use_json) { | |
4074 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4075 | json, JSON_C_TO_STRING_PRETTY)); | |
4076 | json_object_free(json); | |
4077 | } | |
9aa741ea | 4078 | } |
2dbad57f | 4079 | |
996c9314 | 4080 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4081 | uint8_t use_json) |
b7cfce93 MK |
4082 | { |
4083 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4084 | uint32_t num_rmacs; |
b7cfce93 MK |
4085 | struct rmac_walk_ctx wctx; |
4086 | json_object *json = NULL; | |
b7cfce93 MK |
4087 | |
4088 | if (!is_evpn_enabled()) | |
4089 | return; | |
4090 | ||
4091 | zl3vni = zl3vni_lookup(l3vni); | |
4092 | if (!zl3vni) { | |
4093 | if (use_json) | |
4094 | vty_out(vty, "{}\n"); | |
4095 | else | |
4096 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4097 | return; | |
4098 | } | |
4099 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4100 | if (!num_rmacs) | |
4101 | return; | |
4102 | ||
75223c9e | 4103 | if (use_json) |
b7cfce93 | 4104 | json = json_object_new_object(); |
b7cfce93 MK |
4105 | |
4106 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4107 | wctx.vty = vty; | |
75223c9e | 4108 | wctx.json = json; |
b7cfce93 | 4109 | if (!use_json) { |
996c9314 | 4110 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4111 | num_rmacs); |
4cce389e | 4112 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4113 | } else |
4114 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4115 | ||
4116 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4117 | ||
4118 | if (use_json) { | |
b7cfce93 MK |
4119 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4120 | json, JSON_C_TO_STRING_PRETTY)); | |
4121 | json_object_free(json); | |
4122 | } | |
4123 | } | |
4124 | ||
d7c0a89a | 4125 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 MK |
4126 | { |
4127 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4128 | json_object *json = NULL; |
c0b4eaa4 | 4129 | void *args[2]; |
b7cfce93 MK |
4130 | |
4131 | if (!is_evpn_enabled()) { | |
4132 | if (use_json) | |
4133 | vty_out(vty, "{}\n"); | |
4134 | return; | |
4135 | } | |
4136 | ||
4137 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4138 | if (!zns) { |
4139 | if (use_json) | |
4140 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4141 | return; |
c0b4eaa4 | 4142 | } |
b7cfce93 MK |
4143 | |
4144 | if (use_json) | |
4145 | json = json_object_new_object(); | |
4146 | ||
c0b4eaa4 MK |
4147 | args[0] = vty; |
4148 | args[1] = json; | |
4149 | hash_iterate(zns->l3vni_table, | |
4150 | (void (*)(struct hash_backet *, | |
4151 | void *))zl3vni_print_rmac_hash_all_vni, | |
4152 | args); | |
b7cfce93 MK |
4153 | |
4154 | if (use_json) { | |
4155 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4156 | json, JSON_C_TO_STRING_PRETTY)); | |
4157 | json_object_free(json); | |
4158 | } | |
4159 | } | |
4160 | ||
996c9314 | 4161 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4162 | struct ipaddr *ip, uint8_t use_json) |
9aa741ea MK |
4163 | { |
4164 | zebra_l3vni_t *zl3vni = NULL; | |
4165 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4166 | json_object *json = NULL; |
9aa741ea | 4167 | |
c0e519d3 MK |
4168 | if (!is_evpn_enabled()) { |
4169 | if (use_json) | |
4170 | vty_out(vty, "{}\n"); | |
9aa741ea | 4171 | return; |
c0e519d3 MK |
4172 | } |
4173 | ||
4174 | if (use_json) | |
4175 | json = json_object_new_object(); | |
9aa741ea MK |
4176 | |
4177 | zl3vni = zl3vni_lookup(l3vni); | |
4178 | if (!zl3vni) { | |
c0e519d3 MK |
4179 | if (use_json) |
4180 | vty_out(vty, "{}\n"); | |
4181 | else | |
4182 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4183 | return; |
4184 | } | |
4185 | ||
4186 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4187 | if (!n) { | |
c0e519d3 MK |
4188 | if (use_json) |
4189 | vty_out(vty, "{}\n"); | |
4190 | else | |
4191 | vty_out(vty, | |
4192 | "%% Requested next-hop not present for L3-VNI %u", | |
4193 | l3vni); | |
9aa741ea MK |
4194 | return; |
4195 | } | |
4196 | ||
c0e519d3 MK |
4197 | zl3vni_print_nh(n, vty, json); |
4198 | ||
4199 | if (use_json) { | |
4200 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4201 | json, JSON_C_TO_STRING_PRETTY)); | |
4202 | json_object_free(json); | |
4203 | } | |
9aa741ea MK |
4204 | } |
4205 | ||
d7c0a89a | 4206 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, uint8_t use_json) |
b7cfce93 | 4207 | { |
d7c0a89a | 4208 | uint32_t num_nh; |
2dbad57f | 4209 | struct nh_walk_ctx wctx; |
b7cfce93 | 4210 | json_object *json = NULL; |
b7cfce93 MK |
4211 | zebra_l3vni_t *zl3vni = NULL; |
4212 | ||
4213 | if (!is_evpn_enabled()) | |
4214 | return; | |
4215 | ||
4216 | zl3vni = zl3vni_lookup(l3vni); | |
4217 | if (!zl3vni) { | |
4218 | if (use_json) | |
4219 | vty_out(vty, "{}\n"); | |
4220 | else | |
4221 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4222 | return; | |
4223 | } | |
4224 | ||
4225 | num_nh = hashcount(zl3vni->nh_table); | |
4226 | if (!num_nh) | |
4227 | return; | |
4228 | ||
9187f600 | 4229 | if (use_json) |
b7cfce93 | 4230 | json = json_object_new_object(); |
b7cfce93 | 4231 | |
2dbad57f | 4232 | wctx.vty = vty; |
9187f600 | 4233 | wctx.json = json; |
b7cfce93 | 4234 | if (!use_json) { |
996c9314 | 4235 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4236 | num_nh); |
4cce389e | 4237 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4238 | } else |
4cce389e | 4239 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4240 | |
4241 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4242 | ||
4243 | if (use_json) { | |
b7cfce93 MK |
4244 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4245 | json, JSON_C_TO_STRING_PRETTY)); | |
4246 | json_object_free(json); | |
4247 | } | |
4248 | } | |
4249 | ||
d7c0a89a | 4250 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 | 4251 | { |
2dbad57f | 4252 | struct zebra_ns *zns = NULL; |
2dbad57f | 4253 | json_object *json = NULL; |
32798965 | 4254 | void *args[2]; |
2dbad57f | 4255 | |
4256 | if (!is_evpn_enabled()) { | |
4257 | if (use_json) | |
4258 | vty_out(vty, "{}\n"); | |
4259 | return; | |
4260 | } | |
4261 | ||
4262 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4263 | if (!zns) | |
4264 | return; | |
4265 | ||
4266 | if (use_json) | |
4267 | json = json_object_new_object(); | |
4268 | ||
32798965 MK |
4269 | args[0] = vty; |
4270 | args[1] = json; | |
4271 | hash_iterate(zns->l3vni_table, | |
4272 | (void (*)(struct hash_backet *, | |
4273 | void *))zl3vni_print_nh_hash_all_vni, | |
4274 | args); | |
2dbad57f | 4275 | |
4276 | if (use_json) { | |
4277 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4278 | json, JSON_C_TO_STRING_PRETTY)); | |
4279 | json_object_free(json); | |
4280 | } | |
b7cfce93 MK |
4281 | return; |
4282 | } | |
4283 | ||
4284 | /* | |
4285 | * Display L3 VNI information (VTY command handler). | |
4286 | */ | |
d7c0a89a | 4287 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4288 | { |
4289 | void *args[2]; | |
4290 | json_object *json = NULL; | |
4291 | zebra_l3vni_t *zl3vni = NULL; | |
4292 | ||
b2ee5a13 MK |
4293 | if (!is_evpn_enabled()) { |
4294 | if (use_json) | |
4295 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4296 | return; |
b2ee5a13 | 4297 | } |
b7cfce93 MK |
4298 | |
4299 | zl3vni = zl3vni_lookup(vni); | |
4300 | if (!zl3vni) { | |
4301 | if (use_json) | |
4302 | vty_out(vty, "{}\n"); | |
4303 | else | |
4304 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4305 | return; | |
4306 | } | |
4307 | ||
4308 | if (use_json) | |
4309 | json = json_object_new_object(); | |
4310 | ||
b2ee5a13 MK |
4311 | args[0] = vty; |
4312 | args[1] = json; | |
b7cfce93 MK |
4313 | zl3vni_print(zl3vni, (void *)args); |
4314 | ||
4315 | if (use_json) { | |
4316 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4317 | json, JSON_C_TO_STRING_PRETTY)); | |
4318 | json_object_free(json); | |
4319 | } | |
4320 | } | |
4321 | ||
4cce389e MK |
4322 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4323 | json_object *json_vrfs) | |
b7cfce93 | 4324 | { |
4cce389e MK |
4325 | char buf[ETHER_ADDR_STRLEN]; |
4326 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4327 | |
4cce389e MK |
4328 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4329 | if (!zl3vni) | |
b7cfce93 | 4330 | return; |
b7cfce93 | 4331 | |
4cce389e MK |
4332 | if (!json_vrfs) { |
4333 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4334 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4335 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4336 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4337 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4338 | } else { |
4cce389e MK |
4339 | json_object *json_vrf = NULL; |
4340 | json_vrf = json_object_new_object(); | |
996c9314 | 4341 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4342 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4343 | json_object_string_add(json_vrf, "vxlanIntf", | |
4344 | zl3vni_vxlan_if_name(zl3vni)); | |
4345 | json_object_string_add(json_vrf, "sviIntf", | |
4346 | zl3vni_svi_if_name(zl3vni)); | |
4347 | json_object_string_add(json_vrf, "state", | |
4348 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4349 | json_object_string_add( |
4350 | json_vrf, "routerMac", | |
4351 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4352 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4353 | } |
4354 | } | |
4355 | ||
4356 | /* | |
4357 | * Display Neighbors for a VNI (VTY command handler). | |
4358 | */ | |
4359 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4360 | vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4361 | { |
4362 | zebra_vni_t *zvni; | |
d7c0a89a | 4363 | uint32_t num_neigh; |
b7cfce93 MK |
4364 | struct neigh_walk_ctx wctx; |
4365 | json_object *json = NULL; | |
4366 | ||
4367 | if (!is_evpn_enabled()) | |
4368 | return; | |
4369 | zvni = zvni_lookup(vni); | |
4370 | if (!zvni) { | |
4371 | if (use_json) | |
4372 | vty_out(vty, "{}\n"); | |
4373 | else | |
4374 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4375 | return; | |
4376 | } | |
4377 | num_neigh = hashcount(zvni->neigh_table); | |
4378 | if (!num_neigh) | |
4379 | return; | |
4380 | ||
4381 | if (use_json) | |
4382 | json = json_object_new_object(); | |
4383 | ||
4384 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4385 | * size, we try to be a bit more elegant in display by first computing | |
4386 | * the maximum width. | |
4387 | */ | |
4388 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4389 | wctx.zvni = zvni; | |
4390 | wctx.vty = vty; | |
4391 | wctx.addr_width = 15; | |
4392 | wctx.json = json; | |
4393 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4394 | ||
4395 | if (!use_json) { | |
4396 | vty_out(vty, | |
4397 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4398 | num_neigh); | |
4399 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4400 | "Type", "MAC", "Remote VTEP"); | |
4401 | } else | |
4402 | json_object_int_add(json, "numArpNd", num_neigh); | |
4403 | ||
4404 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4405 | if (use_json) { | |
4406 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4407 | json, JSON_C_TO_STRING_PRETTY)); | |
4408 | json_object_free(json); | |
4409 | } | |
4410 | } | |
4411 | ||
4412 | /* | |
4413 | * Display neighbors across all VNIs (VTY command handler). | |
4414 | */ | |
4415 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4416 | uint8_t use_json) |
b7cfce93 MK |
4417 | { |
4418 | json_object *json = NULL; | |
4419 | void *args[2]; | |
4420 | ||
4421 | if (!is_evpn_enabled()) | |
4422 | return; | |
4423 | ||
4424 | if (use_json) | |
4425 | json = json_object_new_object(); | |
4426 | ||
4427 | args[0] = vty; | |
4428 | args[1] = json; | |
4429 | hash_iterate(zvrf->vni_table, | |
4430 | (void (*)(struct hash_backet *, | |
4431 | void *))zvni_print_neigh_hash_all_vni, | |
4432 | args); | |
4433 | if (use_json) { | |
4434 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4435 | json, JSON_C_TO_STRING_PRETTY)); | |
4436 | json_object_free(json); | |
4437 | } | |
4438 | } | |
4439 | ||
4440 | /* | |
4441 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4442 | */ | |
4443 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4444 | struct zebra_vrf *zvrf, vni_t vni, | |
d7c0a89a | 4445 | struct ipaddr *ip, uint8_t use_json) |
b7cfce93 MK |
4446 | { |
4447 | zebra_vni_t *zvni; | |
4448 | zebra_neigh_t *n; | |
4449 | json_object *json = NULL; | |
4450 | ||
4451 | if (!is_evpn_enabled()) | |
4452 | return; | |
4453 | zvni = zvni_lookup(vni); | |
4454 | if (!zvni) { | |
4455 | if (use_json) | |
cd233079 CS |
4456 | vty_out(vty, "{}\n"); |
4457 | else | |
4458 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4459 | return; |
4460 | } | |
4461 | n = zvni_neigh_lookup(zvni, ip); | |
4462 | if (!n) { | |
cd233079 CS |
4463 | if (!use_json) |
4464 | vty_out(vty, | |
4465 | "%% Requested neighbor does not exist in VNI %u\n", | |
4466 | vni); | |
d62a17ae | 4467 | return; |
4468 | } | |
cd233079 CS |
4469 | if (use_json) |
4470 | json = json_object_new_object(); | |
4471 | ||
4472 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4473 | |
cd233079 CS |
4474 | if (use_json) { |
4475 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4476 | json, JSON_C_TO_STRING_PRETTY)); | |
4477 | json_object_free(json); | |
4478 | } | |
cec2e17d | 4479 | } |
4480 | ||
4481 | /* | |
4482 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4483 | * By definition, these are remote neighbors. | |
4484 | */ | |
d62a17ae | 4485 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4486 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4487 | uint8_t use_json) |
cec2e17d | 4488 | { |
d62a17ae | 4489 | zebra_vni_t *zvni; |
d7c0a89a | 4490 | uint32_t num_neigh; |
d62a17ae | 4491 | struct neigh_walk_ctx wctx; |
cd233079 | 4492 | json_object *json = NULL; |
cec2e17d | 4493 | |
2853fed6 | 4494 | if (!is_evpn_enabled()) |
d62a17ae | 4495 | return; |
2853fed6 | 4496 | zvni = zvni_lookup(vni); |
d62a17ae | 4497 | if (!zvni) { |
cd233079 CS |
4498 | if (use_json) |
4499 | vty_out(vty, "{}\n"); | |
4500 | else | |
4501 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4502 | return; |
4503 | } | |
4504 | num_neigh = hashcount(zvni->neigh_table); | |
4505 | if (!num_neigh) | |
4506 | return; | |
cec2e17d | 4507 | |
d62a17ae | 4508 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4509 | wctx.zvni = zvni; | |
4510 | wctx.vty = vty; | |
68e33151 | 4511 | wctx.addr_width = 15; |
d62a17ae | 4512 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4513 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4514 | wctx.json = json; |
68e33151 | 4515 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4516 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4517 | |
4518 | if (use_json) { | |
4519 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4520 | json, JSON_C_TO_STRING_PRETTY)); | |
4521 | json_object_free(json); | |
4522 | } | |
cec2e17d | 4523 | } |
4524 | ||
4525 | /* | |
4526 | * Display MACs for a VNI (VTY command handler). | |
4527 | */ | |
d62a17ae | 4528 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4529 | vni_t vni, uint8_t use_json) |
cec2e17d | 4530 | { |
d62a17ae | 4531 | zebra_vni_t *zvni; |
d7c0a89a | 4532 | uint32_t num_macs; |
d62a17ae | 4533 | struct mac_walk_ctx wctx; |
cd233079 CS |
4534 | json_object *json = NULL; |
4535 | json_object *json_mac = NULL; | |
cec2e17d | 4536 | |
2853fed6 | 4537 | if (!is_evpn_enabled()) |
d62a17ae | 4538 | return; |
2853fed6 | 4539 | zvni = zvni_lookup(vni); |
d62a17ae | 4540 | if (!zvni) { |
cd233079 CS |
4541 | if (use_json) |
4542 | vty_out(vty, "{}\n"); | |
4543 | else | |
4544 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4545 | return; |
4546 | } | |
790f8dc5 | 4547 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4548 | if (!num_macs) |
4549 | return; | |
cec2e17d | 4550 | |
cd233079 CS |
4551 | if (use_json) { |
4552 | json = json_object_new_object(); | |
4553 | json_mac = json_object_new_object(); | |
4554 | } | |
4555 | ||
d62a17ae | 4556 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4557 | wctx.zvni = zvni; | |
4558 | wctx.vty = vty; | |
cd233079 | 4559 | wctx.json = json_mac; |
cec2e17d | 4560 | |
cd233079 CS |
4561 | if (!use_json) { |
4562 | vty_out(vty, | |
4563 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4564 | num_macs); | |
4565 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4566 | "Intf/Remote VTEP", "VLAN"); | |
4567 | } else | |
4568 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4569 | |
d62a17ae | 4570 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4571 | |
4572 | if (use_json) { | |
4573 | json_object_object_add(json, "macs", json_mac); | |
4574 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4575 | json, JSON_C_TO_STRING_PRETTY)); | |
4576 | json_object_free(json); | |
4577 | } | |
cec2e17d | 4578 | } |
4579 | ||
4580 | /* | |
4581 | * Display MACs for all VNIs (VTY command handler). | |
4582 | */ | |
cd233079 | 4583 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4584 | uint8_t use_json) |
cec2e17d | 4585 | { |
d62a17ae | 4586 | struct mac_walk_ctx wctx; |
cd233079 | 4587 | json_object *json = NULL; |
cec2e17d | 4588 | |
2853fed6 | 4589 | if (!is_evpn_enabled()) { |
cd233079 CS |
4590 | if (use_json) |
4591 | vty_out(vty, "{}\n"); | |
d62a17ae | 4592 | return; |
cd233079 CS |
4593 | } |
4594 | if (use_json) | |
4595 | json = json_object_new_object(); | |
4596 | ||
d62a17ae | 4597 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4598 | wctx.vty = vty; | |
cd233079 | 4599 | wctx.json = json; |
d62a17ae | 4600 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4601 | |
4602 | if (use_json) { | |
4603 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4604 | json, JSON_C_TO_STRING_PRETTY)); | |
4605 | json_object_free(json); | |
4606 | } | |
cec2e17d | 4607 | } |
4608 | ||
4609 | /* | |
4610 | * Display MACs for all VNIs (VTY command handler). | |
4611 | */ | |
d62a17ae | 4612 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4613 | struct zebra_vrf *zvrf, | |
cd233079 | 4614 | struct in_addr vtep_ip, |
d7c0a89a | 4615 | uint8_t use_json) |
cec2e17d | 4616 | { |
d62a17ae | 4617 | struct mac_walk_ctx wctx; |
cd233079 | 4618 | json_object *json = NULL; |
cec2e17d | 4619 | |
2853fed6 | 4620 | if (!is_evpn_enabled()) |
d62a17ae | 4621 | return; |
cd233079 CS |
4622 | |
4623 | if (use_json) | |
4624 | json = json_object_new_object(); | |
4625 | ||
d62a17ae | 4626 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4627 | wctx.vty = vty; | |
4628 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4629 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4630 | wctx.json = json; |
d62a17ae | 4631 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4632 | |
4633 | if (use_json) { | |
4634 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4635 | json, JSON_C_TO_STRING_PRETTY)); | |
4636 | json_object_free(json); | |
4637 | } | |
cec2e17d | 4638 | } |
4639 | ||
4640 | /* | |
4641 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4642 | */ | |
d62a17ae | 4643 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4644 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4645 | { |
d62a17ae | 4646 | zebra_vni_t *zvni; |
4647 | zebra_mac_t *mac; | |
cec2e17d | 4648 | |
2853fed6 | 4649 | if (!is_evpn_enabled()) |
d62a17ae | 4650 | return; |
2853fed6 | 4651 | zvni = zvni_lookup(vni); |
d62a17ae | 4652 | if (!zvni) { |
4653 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4654 | return; | |
4655 | } | |
4656 | mac = zvni_mac_lookup(zvni, macaddr); | |
4657 | if (!mac) { | |
4658 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4659 | vni); | |
4660 | return; | |
4661 | } | |
cec2e17d | 4662 | |
d62a17ae | 4663 | zvni_print_mac(mac, vty); |
cec2e17d | 4664 | } |
4665 | ||
4666 | /* | |
4667 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4668 | */ | |
d62a17ae | 4669 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4670 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4671 | uint8_t use_json) |
cec2e17d | 4672 | { |
d62a17ae | 4673 | zebra_vni_t *zvni; |
d7c0a89a | 4674 | uint32_t num_macs; |
d62a17ae | 4675 | struct mac_walk_ctx wctx; |
cd233079 CS |
4676 | json_object *json = NULL; |
4677 | json_object *json_mac = NULL; | |
cec2e17d | 4678 | |
2853fed6 | 4679 | if (!is_evpn_enabled()) |
d62a17ae | 4680 | return; |
2853fed6 | 4681 | zvni = zvni_lookup(vni); |
d62a17ae | 4682 | if (!zvni) { |
cd233079 CS |
4683 | if (use_json) |
4684 | vty_out(vty, "{}\n"); | |
4685 | else | |
4686 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4687 | return; |
4688 | } | |
790f8dc5 | 4689 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4690 | if (!num_macs) |
4691 | return; | |
cd233079 CS |
4692 | |
4693 | if (use_json) { | |
4694 | json = json_object_new_object(); | |
4695 | json_mac = json_object_new_object(); | |
4696 | } | |
4697 | ||
d62a17ae | 4698 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4699 | wctx.zvni = zvni; | |
4700 | wctx.vty = vty; | |
4701 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4702 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4703 | wctx.json = json_mac; |
d62a17ae | 4704 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4705 | |
4706 | if (use_json) { | |
4707 | json_object_int_add(json, "numMacs", wctx.count); | |
4708 | if (wctx.count) | |
4709 | json_object_object_add(json, "macs", json_mac); | |
4710 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4711 | json, JSON_C_TO_STRING_PRETTY)); | |
4712 | json_object_free(json); | |
4713 | } | |
cec2e17d | 4714 | } |
4715 | ||
4716 | ||
4717 | /* | |
4718 | * Display VNI information (VTY command handler). | |
4719 | */ | |
cd233079 | 4720 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
d7c0a89a | 4721 | uint8_t use_json) |
cec2e17d | 4722 | { |
cd233079 CS |
4723 | json_object *json = NULL; |
4724 | void *args[2]; | |
1f2129ec | 4725 | zebra_l3vni_t *zl3vni = NULL; |
4726 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 4727 | |
2853fed6 | 4728 | if (!is_evpn_enabled()) |
d62a17ae | 4729 | return; |
4cce389e | 4730 | |
cd233079 CS |
4731 | if (use_json) |
4732 | json = json_object_new_object(); | |
4733 | args[0] = vty; | |
4734 | args[1] = json; | |
4cce389e | 4735 | |
1f2129ec | 4736 | zl3vni = zl3vni_lookup(vni); |
4737 | if (zl3vni) { | |
4cce389e MK |
4738 | zl3vni_print(zl3vni, (void *)args); |
4739 | } else { | |
4cce389e MK |
4740 | zvni = zvni_lookup(vni); |
4741 | if (!zvni) { | |
4742 | if (use_json) | |
4743 | vty_out(vty, "{}\n"); | |
4744 | else | |
4745 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4746 | return; | |
4747 | } | |
4748 | ||
4749 | zvni_print(zvni, (void *)args); | |
4750 | } | |
4751 | ||
cd233079 CS |
4752 | if (use_json) { |
4753 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4754 | json, JSON_C_TO_STRING_PRETTY)); | |
4755 | json_object_free(json); | |
4756 | } | |
cec2e17d | 4757 | } |
4758 | ||
4cce389e | 4759 | /* Display all global details for EVPN */ |
d7c0a89a | 4760 | void zebra_vxlan_print_evpn(struct vty *vty, uint8_t uj) |
cec2e17d | 4761 | { |
4cce389e MK |
4762 | int num_l2vnis = 0; |
4763 | int num_l3vnis = 0; | |
d4454626 | 4764 | int num_vnis = 0; |
cd233079 | 4765 | json_object *json = NULL; |
4cce389e MK |
4766 | struct zebra_ns *zns = NULL; |
4767 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 4768 | |
2853fed6 | 4769 | if (!is_evpn_enabled()) |
d62a17ae | 4770 | return; |
4cce389e MK |
4771 | |
4772 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4773 | if (!zns) | |
d62a17ae | 4774 | return; |
4cce389e MK |
4775 | |
4776 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
4777 | if (!zvrf) | |
4778 | return; | |
4779 | ||
4780 | num_l3vnis = hashcount(zns->l3vni_table); | |
4781 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 4782 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
4783 | |
4784 | if (uj) { | |
cd233079 | 4785 | json = json_object_new_object(); |
ddd16ed5 MK |
4786 | json_object_string_add(json, "advertiseGatewayMacip", |
4787 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 4788 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
4789 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
4790 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 4791 | } else { |
4cce389e MK |
4792 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
4793 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
4794 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4795 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4796 | } |
4cce389e MK |
4797 | |
4798 | if (uj) { | |
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 | } | |
4803 | } | |
4804 | ||
4805 | /* | |
4806 | * Display VNI hash table (VTY command handler). | |
4807 | */ | |
4808 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4809 | uint8_t use_json) |
4cce389e MK |
4810 | { |
4811 | json_object *json = NULL; | |
4812 | struct zebra_ns *zns = NULL; | |
4813 | void *args[2]; | |
4814 | ||
4815 | if (!is_evpn_enabled()) | |
4816 | return; | |
4817 | ||
4818 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4819 | if (!zns) | |
4820 | return; | |
4821 | ||
4822 | ||
4823 | if (use_json) | |
4824 | json = json_object_new_object(); | |
4825 | else | |
996c9314 LB |
4826 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
4827 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
4828 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 4829 | |
cd233079 CS |
4830 | args[0] = vty; |
4831 | args[1] = json; | |
4832 | ||
4cce389e | 4833 | /* Display all L2-VNIs */ |
cd233079 CS |
4834 | hash_iterate(zvrf->vni_table, |
4835 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4836 | args); | |
4837 | ||
4cce389e MK |
4838 | /* Display all L3-VNIs */ |
4839 | hash_iterate(zns->l3vni_table, | |
4840 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
4841 | args); | |
4842 | ||
cd233079 CS |
4843 | if (use_json) { |
4844 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4845 | json, JSON_C_TO_STRING_PRETTY)); | |
4846 | json_object_free(json); | |
4847 | } | |
cec2e17d | 4848 | } |
4849 | ||
2232a77c | 4850 | /* |
ee69da27 MK |
4851 | * Handle neighbor delete notification from the kernel (on a VLAN device |
4852 | * / L3 interface). This may result in either the neighbor getting deleted | |
4853 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 4854 | * remote neighbor). |
4855 | */ | |
ee69da27 MK |
4856 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
4857 | struct interface *link_if, | |
4858 | struct ipaddr *ip) | |
d62a17ae | 4859 | { |
d62a17ae | 4860 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 4861 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4862 | zebra_neigh_t *n = NULL; |
4863 | zebra_vni_t *zvni = NULL; | |
4864 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 4865 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 4866 | |
8c9b80b9 | 4867 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 4868 | * next-hop |
4869 | */ | |
8c9b80b9 MK |
4870 | zl3vni = zl3vni_from_svi(ifp, link_if); |
4871 | if (zl3vni) | |
4872 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 4873 | |
4874 | /* We are only interested in neighbors on an SVI that resides on top | |
4875 | * of a VxLAN bridge. | |
4876 | */ | |
b7cfce93 | 4877 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4878 | if (!zvni) |
4879 | return 0; | |
8c9b80b9 | 4880 | |
d62a17ae | 4881 | if (!zvni->vxlan_if) { |
43e52561 | 4882 | zlog_warn( |
d62a17ae | 4883 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
4884 | zvni->vni, zvni); | |
4885 | return -1; | |
4886 | } | |
4887 | ||
4888 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4889 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
4890 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
4891 | ifp->ifindex, zvni->vni); | |
d62a17ae | 4892 | |
4893 | /* If entry doesn't exist, nothing to do. */ | |
4894 | n = zvni_neigh_lookup(zvni, ip); | |
4895 | if (!n) | |
4896 | return 0; | |
4897 | ||
b6938a74 MK |
4898 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4899 | if (!zmac) { | |
4900 | if (IS_ZEBRA_DEBUG_VXLAN) | |
43e52561 | 4901 | zlog_warn( |
2853fed6 | 4902 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4903 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4904 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4905 | zvni->vni); | |
4906 | ||
4907 | return 0; | |
4908 | } | |
4909 | ||
d62a17ae | 4910 | /* If it is a remote entry, the kernel has aged this out or someone has |
4911 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4912 | */ | |
4913 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4914 | zvni_neigh_install(zvni, n); | |
4915 | return 0; | |
4916 | } | |
4917 | ||
d62a17ae | 4918 | /* Remove neighbor from BGP. */ |
b6938a74 | 4919 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 4920 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 4921 | |
4922 | /* Delete this neighbor entry. */ | |
4923 | zvni_neigh_del(zvni, n); | |
4924 | ||
b6938a74 MK |
4925 | /* see if the AUTO mac needs to be deleted */ |
4926 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4927 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4928 | zvni_mac_del(zvni, zmac); |
4929 | ||
d62a17ae | 4930 | return 0; |
2232a77c | 4931 | } |
4932 | ||
4933 | /* | |
ee69da27 MK |
4934 | * Handle neighbor add or update notification from the kernel (on a VLAN |
4935 | * device / L3 interface). This is typically for a local neighbor but can | |
4936 | * also be for a remote neighbor (e.g., ageout notification). It could | |
4937 | * also be a "move" scenario. | |
2232a77c | 4938 | */ |
ee69da27 MK |
4939 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
4940 | struct interface *link_if, | |
4941 | struct ipaddr *ip, | |
4942 | struct ethaddr *macaddr, | |
4943 | uint16_t state, | |
68e33151 CS |
4944 | uint8_t ext_learned, |
4945 | uint8_t router_flag) | |
d62a17ae | 4946 | { |
d62a17ae | 4947 | char buf[ETHER_ADDR_STRLEN]; |
4948 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 4949 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 4950 | zebra_l3vni_t *zl3vni = NULL; |
4951 | ||
4952 | /* check if this is a remote neigh entry corresponding to remote | |
4953 | * next-hop | |
4954 | */ | |
4955 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4956 | if (zl3vni) | |
4957 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 4958 | |
d62a17ae | 4959 | /* We are only interested in neighbors on an SVI that resides on top |
4960 | * of a VxLAN bridge. | |
4961 | */ | |
b7cfce93 | 4962 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4963 | if (!zvni) |
4964 | return 0; | |
4965 | ||
d62a17ae | 4966 | if (IS_ZEBRA_DEBUG_VXLAN) |
4967 | zlog_debug( | |
8c9b80b9 | 4968 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s-> L2-VNI %u", |
2853fed6 | 4969 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4970 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4971 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
8c9b80b9 | 4972 | zvni->vni); |
d62a17ae | 4973 | |
ee69da27 MK |
4974 | /* Is this about a local neighbor or a remote one? */ |
4975 | if (!ext_learned) | |
68e33151 CS |
4976 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
4977 | router_flag); | |
b7cfce93 | 4978 | |
ee69da27 | 4979 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 4980 | } |
4981 | ||
b682f6de | 4982 | |
2232a77c | 4983 | /* |
4984 | * Handle message from client to delete a remote MACIP for a VNI. | |
4985 | */ | |
89f4e507 | 4986 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 4987 | { |
4988 | struct stream *s; | |
4989 | vni_t vni; | |
4990 | struct ethaddr macaddr; | |
4991 | struct ipaddr ip; | |
4992 | struct in_addr vtep_ip; | |
4993 | zebra_vni_t *zvni; | |
4994 | zebra_mac_t *mac; | |
4995 | zebra_neigh_t *n; | |
d7c0a89a | 4996 | unsigned short l = 0, ipa_len; |
d62a17ae | 4997 | char buf[ETHER_ADDR_STRLEN]; |
4998 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 4999 | struct interface *ifp = NULL; |
5000 | struct zebra_if *zif = NULL; | |
d62a17ae | 5001 | |
b7cfce93 | 5002 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5003 | memset(&ip, 0, sizeof(struct ipaddr)); |
5004 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5005 | ||
1002497a | 5006 | s = msg; |
d62a17ae | 5007 | |
89f4e507 | 5008 | while (l < hdr->length) { |
d62a17ae | 5009 | /* Obtain each remote MACIP and process. */ |
5010 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5011 | * followed by remote VTEP IP. | |
5012 | */ | |
5013 | mac = NULL; | |
5014 | n = NULL; | |
5015 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5016 | STREAM_GETL(s, vni); |
5017 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5018 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5019 | if (ipa_len) { |
5020 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5021 | : IPADDR_V6; | |
ec93aa12 | 5022 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5023 | } |
ff8b7eb8 | 5024 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5025 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5026 | l += IPV4_MAX_BYTELEN; |
5027 | ||
5028 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5029 | zlog_debug( | |
23a06e11 | 5030 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 5031 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5032 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
5033 | inet_ntoa(vtep_ip), | |
5034 | zebra_route_string(client->proto)); | |
5035 | ||
5036 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5037 | zvni = zvni_lookup(vni); |
d62a17ae | 5038 | if (!zvni) { |
5039 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5040 | zlog_debug( | |
5041 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 5042 | "VNI %u", |
5043 | vni); | |
d62a17ae | 5044 | continue; |
5045 | } | |
b5ebdc9b | 5046 | ifp = zvni->vxlan_if; |
af026ae4 | 5047 | if (!ifp) { |
43e52561 | 5048 | zlog_warn( |
d62a17ae | 5049 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", |
5050 | vni, zvni); | |
5051 | continue; | |
5052 | } | |
b5ebdc9b | 5053 | zif = ifp->info; |
5054 | ||
5055 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5056 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5057 | continue; |
d62a17ae | 5058 | |
5059 | /* The remote VTEP specified is normally expected to exist, but | |
5060 | * it is | |
5061 | * possible that the peer may delete the VTEP before deleting | |
5062 | * any MACs | |
5063 | * referring to the VTEP, in which case the handler (see | |
5064 | * remote_vtep_del) | |
5065 | * would have already deleted the MACs. | |
5066 | */ | |
5067 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5068 | continue; | |
5069 | ||
d62a17ae | 5070 | mac = zvni_mac_lookup(zvni, &macaddr); |
5071 | if (ipa_len) | |
5072 | n = zvni_neigh_lookup(zvni, &ip); | |
5073 | ||
5074 | if (n && !mac) { | |
43e52561 QY |
5075 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u", |
5076 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5077 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
d62a17ae | 5078 | continue; |
5079 | } | |
5080 | ||
5081 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5082 | * more | |
5083 | * to do. Otherwise, uninstall the entry and then remove it. | |
5084 | */ | |
5085 | if (!mac && !n) | |
5086 | continue; | |
5087 | ||
ead40654 | 5088 | /* Ignore the delete if this mac is a gateway mac-ip */ |
996c9314 LB |
5089 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
5090 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
43e52561 | 5091 | zlog_warn( |
996c9314 LB |
5092 | "%u: Ignore Del for MAC %s neigh %s on VNI %u as it is configured as a default gateway", |
5093 | zvrf_id(zvrf), | |
5094 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5095 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
ead40654 MK |
5096 | continue; |
5097 | } | |
5098 | ||
d62a17ae | 5099 | /* Uninstall remote neighbor or MAC. */ |
5100 | if (n) { | |
5101 | /* When the MAC changes for an IP, it is possible the | |
5102 | * client may | |
5103 | * update the new MAC before trying to delete the "old" | |
5104 | * neighbor | |
5105 | * (as these are two different MACIP routes). Do the | |
5106 | * delete only | |
5107 | * if the MAC matches. | |
5108 | */ | |
5109 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
996c9314 | 5110 | && (memcmp(n->emac.octet, macaddr.octet, ETH_ALEN) |
d62a17ae | 5111 | == 0)) { |
5112 | zvni_neigh_uninstall(zvni, n); | |
5113 | zvni_neigh_del(zvni, n); | |
5114 | zvni_deref_ip2mac(zvni, mac, 1); | |
5115 | } | |
5116 | } else { | |
5117 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
996c9314 | 5118 | zvni_process_neigh_on_remote_mac_del(zvni, mac); |
b6938a74 | 5119 | |
0a97666d | 5120 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 5121 | zvni_mac_uninstall(zvni, mac, 0); |
5122 | zvni_mac_del(zvni, mac); | |
5123 | } else | |
5124 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5125 | } | |
5126 | } | |
5127 | } | |
5128 | ||
ec93aa12 | 5129 | stream_failure: |
8068a649 | 5130 | return; |
2232a77c | 5131 | } |
5132 | ||
5133 | /* | |
5134 | * Handle message from client to add a remote MACIP for a VNI. This | |
5135 | * could be just the add of a MAC address or the add of a neighbor | |
5136 | * (IP+MAC). | |
5137 | */ | |
89f4e507 | 5138 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5139 | { |
5140 | struct stream *s; | |
5141 | vni_t vni; | |
5142 | struct ethaddr macaddr; | |
5143 | struct ipaddr ip; | |
5144 | struct in_addr vtep_ip; | |
5145 | zebra_vni_t *zvni; | |
5146 | zebra_vtep_t *zvtep; | |
5147 | zebra_mac_t *mac, *old_mac; | |
5148 | zebra_neigh_t *n; | |
d7c0a89a | 5149 | unsigned short l = 0, ipa_len; |
d62a17ae | 5150 | int update_mac = 0, update_neigh = 0; |
5151 | char buf[ETHER_ADDR_STRLEN]; | |
5152 | char buf1[INET6_ADDRSTRLEN]; | |
d7c0a89a | 5153 | uint8_t sticky = 0; |
51f4dab4 | 5154 | u_char remote_gw = 0; |
d7c0a89a | 5155 | uint8_t flags = 0; |
b5ebdc9b | 5156 | struct interface *ifp = NULL; |
5157 | struct zebra_if *zif = NULL; | |
d62a17ae | 5158 | |
b7cfce93 | 5159 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5160 | memset(&ip, 0, sizeof(struct ipaddr)); |
5161 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5162 | ||
ec93aa12 | 5163 | if (!EVPN_ENABLED(zvrf)) { |
996c9314 LB |
5164 | zlog_warn( |
5165 | "%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
5166 | __PRETTY_FUNCTION__); | |
8068a649 | 5167 | return; |
ec93aa12 | 5168 | } |
d62a17ae | 5169 | |
1002497a | 5170 | s = msg; |
d62a17ae | 5171 | |
89f4e507 | 5172 | while (l < hdr->length) { |
d62a17ae | 5173 | /* Obtain each remote MACIP and process. */ |
5174 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5175 | * followed by remote VTEP IP. | |
5176 | */ | |
5177 | update_mac = update_neigh = 0; | |
5178 | mac = NULL; | |
5179 | n = NULL; | |
5180 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5181 | STREAM_GETL(s, vni); |
5182 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5183 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5184 | if (ipa_len) { |
5185 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5186 | : IPADDR_V6; | |
ec93aa12 | 5187 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5188 | } |
ff8b7eb8 | 5189 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5190 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5191 | l += IPV4_MAX_BYTELEN; |
5192 | ||
ead40654 | 5193 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5194 | STREAM_GETC(s, flags); |
ead40654 | 5195 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
51f4dab4 | 5196 | remote_gw = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); |
d62a17ae | 5197 | l++; |
5198 | ||
5199 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5200 | zlog_debug( | |
ead40654 | 5201 | "Recv MACIP Add MAC %s IP %s VNI %u Remote VTEP %s with flags 0x%x from %s", |
d62a17ae | 5202 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5203 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
ead40654 | 5204 | inet_ntoa(vtep_ip), flags, |
d62a17ae | 5205 | zebra_route_string(client->proto)); |
5206 | ||
5207 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5208 | zvni = zvni_lookup(vni); |
d62a17ae | 5209 | if (!zvni) { |
43e52561 | 5210 | zlog_warn( |
2853fed6 | 5211 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
5212 | vni); | |
d62a17ae | 5213 | continue; |
5214 | } | |
b5ebdc9b | 5215 | ifp = zvni->vxlan_if; |
5216 | if (!ifp) { | |
43e52561 | 5217 | zlog_warn( |
d62a17ae | 5218 | "VNI %u hash %p doesn't have intf upon remote MACIP add", |
5219 | vni, zvni); | |
5220 | continue; | |
5221 | } | |
b5ebdc9b | 5222 | zif = ifp->info; |
5223 | ||
5224 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5225 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5226 | continue; |
5227 | ||
5228 | /* The remote VTEP specified should normally exist, but it is | |
5229 | * possible | |
5230 | * that when peering comes up, peer may advertise MACIP routes | |
5231 | * before | |
5232 | * advertising type-3 routes. | |
5233 | */ | |
5234 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5235 | if (!zvtep) { | |
5236 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
af4c2728 | 5237 | flog_err( |
43e52561 | 5238 | ZEBRA_ERR_VTEP_ADD_FAILED, |
2853fed6 | 5239 | "Failed to add remote VTEP, VNI %u zvni %p", |
5240 | vni, zvni); | |
d62a17ae | 5241 | continue; |
5242 | } | |
5243 | ||
5244 | zvni_vtep_install(zvni, &vtep_ip); | |
5245 | } | |
5246 | ||
d62a17ae | 5247 | mac = zvni_mac_lookup(zvni, &macaddr); |
ead40654 MK |
5248 | |
5249 | /* Ignore the update if the mac is already present | |
5250 | as a gateway mac */ | |
996c9314 LB |
5251 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) |
5252 | && CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
ead40654 | 5253 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5254 | zlog_debug( |
5255 | "%u:Ignore MAC %s IP %s on VNI %u as MAC is already configured as gateway mac", | |
5256 | zvrf_id(zvrf), | |
5257 | prefix_mac2str(&macaddr, buf, | |
5258 | sizeof(buf)), | |
5259 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
5260 | vni); | |
ead40654 MK |
5261 | continue; |
5262 | } | |
5263 | ||
5264 | /* check if the remote MAC is unknown or has a change. | |
5265 | * If so, that needs to be updated first. Note that client could | |
5266 | * install MAC and MACIP separately or just install the latter. | |
5267 | */ | |
d62a17ae | 5268 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
5269 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
5270 | != sticky | |
51f4dab4 AK |
5271 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) ? 1 : 0) |
5272 | != remote_gw | |
d62a17ae | 5273 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) |
5274 | update_mac = 1; | |
5275 | ||
5276 | if (update_mac) { | |
5277 | if (!mac) { | |
5278 | mac = zvni_mac_add(zvni, &macaddr); | |
5279 | if (!mac) { | |
5280 | zlog_warn( | |
2853fed6 | 5281 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5282 | prefix_mac2str(&macaddr, buf, |
5283 | sizeof(buf)), | |
5284 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5285 | return; |
d62a17ae | 5286 | } |
5287 | ||
5288 | /* Is this MAC created for a MACIP? */ | |
5289 | if (ipa_len) | |
5290 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 5291 | } |
5292 | ||
5293 | /* Set "auto" and "remote" forwarding info. */ | |
5294 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5295 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5296 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5297 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5298 | ||
5299 | if (sticky) | |
5300 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5301 | else | |
5302 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5303 | ||
51f4dab4 AK |
5304 | if (remote_gw) |
5305 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5306 | else | |
5307 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5308 | ||
2853fed6 | 5309 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 5310 | |
d62a17ae | 5311 | /* Install the entry. */ |
5312 | zvni_mac_install(zvni, mac); | |
5313 | } | |
5314 | ||
5315 | /* If there is no IP, continue - after clearing AUTO flag of | |
5316 | * MAC. */ | |
5317 | if (!ipa_len) { | |
5318 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5319 | continue; | |
5320 | } | |
5321 | ||
5322 | /* Check if the remote neighbor itself is unknown or has a | |
5323 | * change. | |
5324 | * If so, create or update and then install the entry. | |
5325 | */ | |
5326 | n = zvni_neigh_lookup(zvni, &ip); | |
5327 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5328 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) | |
5329 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
5330 | update_neigh = 1; | |
5331 | ||
5332 | if (update_neigh) { | |
5333 | if (!n) { | |
b6938a74 | 5334 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 5335 | if (!n) { |
5336 | zlog_warn( | |
2853fed6 | 5337 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5338 | ipaddr2str(&ip, buf1, |
5339 | sizeof(buf1)), | |
5340 | prefix_mac2str(&macaddr, buf, | |
5341 | sizeof(buf)), | |
5342 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5343 | return; |
d62a17ae | 5344 | } |
5345 | ||
d62a17ae | 5346 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5347 | != 0) { | |
0a97666d MK |
5348 | /* MAC change, update neigh list for old and new |
5349 | * mac */ | |
d62a17ae | 5350 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5351 | if (old_mac) { |
5352 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5353 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5354 | } |
5355 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5356 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5357 | } |
5358 | ||
5359 | /* Set "remote" forwarding info. */ | |
5360 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5361 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5362 | n->r_vtep_ip = vtep_ip; |
5363 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5364 | ||
68e33151 CS |
5365 | /* Set router flag (R-bit) to this Neighbor entry */ |
5366 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
5367 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
5368 | ||
d62a17ae | 5369 | /* Install the entry. */ |
5370 | zvni_neigh_install(zvni, n); | |
5371 | } | |
5372 | } | |
5373 | ||
ec93aa12 | 5374 | stream_failure: |
8068a649 | 5375 | return; |
13d60d35 | 5376 | } |
5377 | ||
5378 | /* | |
2232a77c | 5379 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5380 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5381 | * of any prior local MAC. | |
13d60d35 | 5382 | */ |
d62a17ae | 5383 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5384 | struct interface *br_if, | |
5385 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5386 | { |
d62a17ae | 5387 | struct zebra_if *zif; |
d62a17ae | 5388 | struct zebra_l2info_vxlan *vxl; |
5389 | vni_t vni; | |
5390 | zebra_vni_t *zvni; | |
5391 | zebra_mac_t *mac; | |
5392 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5393 | |
d62a17ae | 5394 | zif = ifp->info; |
5395 | assert(zif); | |
5396 | vxl = &zif->l2info.vxl; | |
5397 | vni = vxl->vni; | |
13d60d35 | 5398 | |
2853fed6 | 5399 | /* Check if EVPN is enabled. */ |
5400 | if (!is_evpn_enabled()) | |
d62a17ae | 5401 | return 0; |
13d60d35 | 5402 | |
d62a17ae | 5403 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5404 | zvni = zvni_lookup(vni); |
d62a17ae | 5405 | if (!zvni) |
5406 | return 0; | |
13d60d35 | 5407 | |
d62a17ae | 5408 | /* If entry doesn't exist, nothing to do. */ |
5409 | mac = zvni_mac_lookup(zvni, macaddr); | |
5410 | if (!mac) | |
5411 | return 0; | |
13d60d35 | 5412 | |
d62a17ae | 5413 | /* Is it a local entry? */ |
5414 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5415 | return 0; | |
13d60d35 | 5416 | |
d62a17ae | 5417 | if (IS_ZEBRA_DEBUG_VXLAN) |
5418 | zlog_debug( | |
2853fed6 | 5419 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5420 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5421 | ifp->ifindex, vni); | |
13d60d35 | 5422 | |
d62a17ae | 5423 | /* Remove MAC from BGP. */ |
ead40654 | 5424 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5425 | |
b6938a74 MK |
5426 | /* |
5427 | * If there are no neigh associated with the mac delete the mac | |
5428 | * else mark it as AUTO for forward reference | |
5429 | */ | |
5430 | if (!listcount(mac->neigh_list)) { | |
5431 | zvni_mac_del(zvni, mac); | |
5432 | } else { | |
5433 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5434 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5435 | } | |
13d60d35 | 5436 | |
d62a17ae | 5437 | return 0; |
13d60d35 | 5438 | } |
5439 | ||
5440 | /* | |
2232a77c | 5441 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5442 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5443 | * so the kernel can ageout the entry. | |
13d60d35 | 5444 | */ |
d62a17ae | 5445 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5446 | struct interface *br_if, | |
5447 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5448 | { |
a9a76262 MK |
5449 | struct zebra_if *zif = NULL; |
5450 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5451 | vni_t vni; |
a9a76262 MK |
5452 | zebra_vni_t *zvni = NULL; |
5453 | zebra_l3vni_t *zl3vni = NULL; | |
5454 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5455 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5456 | |
d62a17ae | 5457 | zif = ifp->info; |
5458 | assert(zif); | |
5459 | vxl = &zif->l2info.vxl; | |
5460 | vni = vxl->vni; | |
2232a77c | 5461 | |
2853fed6 | 5462 | /* Check if EVPN is enabled. */ |
5463 | if (!is_evpn_enabled()) | |
d62a17ae | 5464 | return 0; |
2232a77c | 5465 | |
a9a76262 MK |
5466 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5467 | zl3vni = zl3vni_lookup(vni); | |
5468 | if (zl3vni) | |
5469 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5470 | ||
d62a17ae | 5471 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5472 | zvni = zvni_lookup(vni); |
d62a17ae | 5473 | if (!zvni) |
5474 | return 0; | |
13d60d35 | 5475 | |
d62a17ae | 5476 | /* If entry doesn't exist, nothing to do. */ |
5477 | mac = zvni_mac_lookup(zvni, macaddr); | |
5478 | if (!mac) | |
5479 | return 0; | |
2232a77c | 5480 | |
d62a17ae | 5481 | /* Is it a remote entry? */ |
5482 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5483 | return 0; | |
2232a77c | 5484 | |
d62a17ae | 5485 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5486 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5487 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5488 | ifp->ifindex, vni); | |
13d60d35 | 5489 | |
d62a17ae | 5490 | zvni_mac_install(zvni, mac); |
5491 | return 0; | |
13d60d35 | 5492 | } |
5493 | ||
5494 | /* | |
2232a77c | 5495 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5496 | */ |
d62a17ae | 5497 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5498 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5499 | { |
d62a17ae | 5500 | zebra_vni_t *zvni; |
5501 | zebra_mac_t *mac; | |
d62a17ae | 5502 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5503 | |
d62a17ae | 5504 | /* We are interested in MACs only on ports or (port, VLAN) that |
5505 | * map to a VNI. | |
5506 | */ | |
5507 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5508 | if (!zvni) | |
5509 | return 0; | |
5510 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5511 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC DEL", |
5512 | zvni->vni, zvni); | |
d62a17ae | 5513 | return -1; |
5514 | } | |
13d60d35 | 5515 | |
d62a17ae | 5516 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5517 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5518 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5519 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5520 | |
d62a17ae | 5521 | /* If entry doesn't exist, nothing to do. */ |
5522 | mac = zvni_mac_lookup(zvni, macaddr); | |
5523 | if (!mac) | |
5524 | return 0; | |
2232a77c | 5525 | |
d62a17ae | 5526 | /* Is it a local entry? */ |
5527 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5528 | return 0; | |
2232a77c | 5529 | |
d62a17ae | 5530 | /* Remove MAC from BGP. */ |
ead40654 | 5531 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
2232a77c | 5532 | |
b6938a74 | 5533 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5534 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5535 | |
5536 | /* | |
5537 | * If there are no neigh associated with the mac delete the mac | |
5538 | * else mark it as AUTO for forward reference | |
5539 | */ | |
5540 | if (!listcount(mac->neigh_list)) { | |
5541 | zvni_mac_del(zvni, mac); | |
5542 | } else { | |
5543 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5544 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5545 | } | |
2232a77c | 5546 | |
d62a17ae | 5547 | return 0; |
13d60d35 | 5548 | } |
5549 | ||
5550 | /* | |
2232a77c | 5551 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5552 | */ |
d62a17ae | 5553 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5554 | struct interface *br_if, | |
5555 | struct ethaddr *macaddr, vlanid_t vid, | |
d7c0a89a | 5556 | uint8_t sticky) |
d62a17ae | 5557 | { |
5558 | zebra_vni_t *zvni; | |
5559 | zebra_mac_t *mac; | |
d62a17ae | 5560 | char buf[ETHER_ADDR_STRLEN]; |
5561 | int add = 1; | |
d7c0a89a | 5562 | uint8_t mac_sticky; |
d62a17ae | 5563 | |
5564 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5565 | * map to a VNI. | |
5566 | */ | |
5567 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5568 | if (!zvni) { | |
5569 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5570 | zlog_debug( | |
2853fed6 | 5571 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5572 | sticky ? "sticky " : "", | |
d62a17ae | 5573 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5574 | ifp->name, ifp->ifindex, vid); | |
5575 | return 0; | |
5576 | } | |
5577 | ||
5578 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5579 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC ADD", |
5580 | zvni->vni, zvni); | |
d62a17ae | 5581 | return -1; |
5582 | } | |
5583 | ||
5584 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5585 | zlog_debug("Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5586 | sticky ? "sticky " : "", | |
5587 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
5588 | ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5589 | |
5590 | /* If same entry already exists, nothing to do. */ | |
5591 | mac = zvni_mac_lookup(zvni, macaddr); | |
5592 | if (mac) { | |
5593 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5594 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5595 | ? 1 | |
5596 | : 0; | |
5597 | ||
b6938a74 | 5598 | |
b8ce75a5 MK |
5599 | /* |
5600 | * return if nothing has changed. | |
5601 | * inform bgp if sticky flag has changed | |
5602 | * update locally and do not inform bgp if local | |
5603 | * parameters like interface has changed | |
5604 | */ | |
d62a17ae | 5605 | if (mac_sticky == sticky |
5606 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5607 | && mac->fwd_info.local.vid == vid) { | |
5608 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5609 | zlog_debug( | |
2853fed6 | 5610 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5611 | "entry exists and has not changed ", |
d62a17ae | 5612 | sticky ? "sticky " : "", |
5613 | prefix_mac2str(macaddr, buf, | |
5614 | sizeof(buf)), | |
5615 | ifp->name, ifp->ifindex, vid, | |
5616 | zvni->vni); | |
5617 | return 0; | |
b6938a74 | 5618 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5619 | add = 1; |
b6938a74 | 5620 | } else { |
b8ce75a5 MK |
5621 | add = 0; /* This is an update of local |
5622 | interface. */ | |
b6938a74 | 5623 | } |
421bb26a MK |
5624 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5625 | /* | |
5626 | * If we have already learned the MAC as a remote sticky | |
5627 | * MAC, | |
5628 | * this is a operator error and we must log a warning | |
5629 | */ | |
8f4b98ee | 5630 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5631 | zlog_warn( |
5632 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5633 | prefix_mac2str(macaddr, buf, | |
5634 | sizeof(buf)), | |
5635 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5636 | zvni->vni); | |
8f4b98ee MK |
5637 | return 0; |
5638 | } | |
d62a17ae | 5639 | } |
5640 | } | |
5641 | ||
d62a17ae | 5642 | if (!mac) { |
5643 | mac = zvni_mac_add(zvni, macaddr); | |
5644 | if (!mac) { | |
af4c2728 | 5645 | flog_err(ZEBRA_ERR_MAC_ADD_FAILED, |
43e52561 QY |
5646 | "Failed to add MAC %s intf %s(%u) VID %u", |
5647 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5648 | ifp->name, ifp->ifindex, vid); | |
d62a17ae | 5649 | return -1; |
5650 | } | |
5651 | } | |
5652 | ||
5653 | /* Set "local" forwarding info. */ | |
5654 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5655 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5656 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5657 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5658 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5659 | mac->fwd_info.local.vid = vid; | |
5660 | ||
5661 | if (sticky) | |
5662 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5663 | else | |
5664 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5665 | ||
5666 | /* Inform BGP if required. */ | |
b6938a74 | 5667 | if (add) { |
2853fed6 | 5668 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5669 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
ead40654 | 5670 | mac->flags); |
b6938a74 | 5671 | } |
d62a17ae | 5672 | |
5673 | return 0; | |
2232a77c | 5674 | } |
13d60d35 | 5675 | |
5676 | /* | |
5677 | * Handle message from client to delete a remote VTEP for a VNI. | |
5678 | */ | |
89f4e507 | 5679 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5680 | { |
5681 | struct stream *s; | |
d7c0a89a | 5682 | unsigned short l = 0; |
d62a17ae | 5683 | vni_t vni; |
5684 | struct in_addr vtep_ip; | |
5685 | zebra_vni_t *zvni; | |
5686 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5687 | struct interface *ifp; |
5688 | struct zebra_if *zif; | |
d62a17ae | 5689 | |
ec93aa12 | 5690 | if (!is_evpn_enabled()) { |
996c9314 LB |
5691 | zlog_warn( |
5692 | "%s: EVPN is not enabled yet we have received a vtep del command", | |
5693 | __PRETTY_FUNCTION__); | |
8068a649 | 5694 | return; |
ec93aa12 DS |
5695 | } |
5696 | ||
2853fed6 | 5697 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5698 | zlog_warn("Recv MACIP DEL for non-default VRF %u", |
5699 | zvrf_id(zvrf)); | |
8068a649 | 5700 | return; |
2853fed6 | 5701 | } |
5702 | ||
1002497a | 5703 | s = msg; |
d62a17ae | 5704 | |
89f4e507 | 5705 | while (l < hdr->length) { |
d62a17ae | 5706 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5707 | STREAM_GETL(s, vni); |
d62a17ae | 5708 | l += 4; |
ec93aa12 | 5709 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5710 | l += IPV4_MAX_BYTELEN; |
5711 | ||
5712 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5713 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5714 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5715 | zebra_route_string(client->proto)); |
5716 | ||
5717 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5718 | zvni = zvni_lookup(vni); |
d62a17ae | 5719 | if (!zvni) { |
5720 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5721 | zlog_debug( | |
5722 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5723 | "VNI %u", |
5724 | vni); | |
d62a17ae | 5725 | continue; |
5726 | } | |
5727 | ||
b5ebdc9b | 5728 | ifp = zvni->vxlan_if; |
5729 | if (!ifp) { | |
43e52561 | 5730 | zlog_warn( |
60466a63 QY |
5731 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5732 | zvni->vni, zvni); | |
b682f6de | 5733 | continue; |
b5ebdc9b | 5734 | } |
5735 | zif = ifp->info; | |
5736 | ||
5737 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5738 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5739 | continue; |
5740 | ||
d62a17ae | 5741 | /* If the remote VTEP does not exist, there's nothing more to |
5742 | * do. | |
5743 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5744 | * and | |
5745 | * then, the VTEP entry itself and remove it. | |
5746 | */ | |
5747 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5748 | if (!zvtep) | |
5749 | continue; | |
5750 | ||
5751 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5752 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5753 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5754 | zvni_vtep_del(zvni, zvtep); | |
5755 | } | |
5756 | ||
ec93aa12 | 5757 | stream_failure: |
8068a649 | 5758 | return; |
13d60d35 | 5759 | } |
5760 | ||
5761 | /* | |
5762 | * Handle message from client to add a remote VTEP for a VNI. | |
5763 | */ | |
89f4e507 | 5764 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5765 | { |
5766 | struct stream *s; | |
d7c0a89a | 5767 | unsigned short l = 0; |
d62a17ae | 5768 | vni_t vni; |
5769 | struct in_addr vtep_ip; | |
5770 | zebra_vni_t *zvni; | |
b5ebdc9b | 5771 | struct interface *ifp; |
5772 | struct zebra_if *zif; | |
d62a17ae | 5773 | |
ec93aa12 | 5774 | if (!is_evpn_enabled()) { |
996c9314 LB |
5775 | zlog_warn( |
5776 | "%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5777 | __PRETTY_FUNCTION__); | |
8068a649 | 5778 | return; |
ec93aa12 DS |
5779 | } |
5780 | ||
2853fed6 | 5781 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5782 | zlog_warn("Recv MACIP ADD for non-default VRF %u", |
5783 | zvrf_id(zvrf)); | |
8068a649 | 5784 | return; |
2853fed6 | 5785 | } |
d62a17ae | 5786 | |
1002497a | 5787 | s = msg; |
d62a17ae | 5788 | |
89f4e507 | 5789 | while (l < hdr->length) { |
d62a17ae | 5790 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5791 | STREAM_GETL(s, vni); |
d62a17ae | 5792 | l += 4; |
ec93aa12 | 5793 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5794 | l += IPV4_MAX_BYTELEN; |
5795 | ||
5796 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5797 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5798 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5799 | zebra_route_string(client->proto)); |
5800 | ||
5801 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5802 | zvni = zvni_lookup(vni); |
d62a17ae | 5803 | if (!zvni) { |
af4c2728 | 5804 | flog_err( |
43e52561 | 5805 | ZEBRA_ERR_VTEP_ADD_FAILED, |
2853fed6 | 5806 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5807 | vni); | |
d62a17ae | 5808 | continue; |
5809 | } | |
b5ebdc9b | 5810 | |
5811 | ifp = zvni->vxlan_if; | |
5812 | if (!ifp) { | |
af4c2728 | 5813 | flog_err( |
43e52561 | 5814 | ZEBRA_ERR_VTEP_ADD_FAILED, |
d62a17ae | 5815 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
5816 | zvni->vni, zvni); | |
5817 | continue; | |
5818 | } | |
5819 | ||
b5ebdc9b | 5820 | zif = ifp->info; |
d62a17ae | 5821 | |
b5ebdc9b | 5822 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5823 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5824 | continue; |
5825 | ||
b682f6de | 5826 | /* If the remote VTEP already exists, |
5827 | there's nothing more to do. */ | |
b5ebdc9b | 5828 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5829 | continue; |
5830 | ||
5831 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
af4c2728 | 5832 | flog_err(ZEBRA_ERR_VTEP_ADD_FAILED, |
43e52561 QY |
5833 | "Failed to add remote VTEP, VNI %u zvni %p", |
5834 | vni, zvni); | |
d62a17ae | 5835 | continue; |
5836 | } | |
5837 | ||
5838 | zvni_vtep_install(zvni, &vtep_ip); | |
5839 | } | |
5840 | ||
ec93aa12 | 5841 | stream_failure: |
8068a649 | 5842 | return; |
13d60d35 | 5843 | } |
5844 | ||
1a98c087 MK |
5845 | /* |
5846 | * Add/Del gateway macip to evpn | |
5847 | * g/w can be: | |
5848 | * 1. SVI interface on a vlan aware bridge | |
5849 | * 2. SVI interface on a vlan unaware bridge | |
5850 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5851 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5852 | */ | |
5853 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5854 | int add) | |
5855 | { | |
5856 | struct ipaddr ip; | |
5857 | struct ethaddr macaddr; | |
5858 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5859 | |
5860 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5861 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5862 | ||
2853fed6 | 5863 | /* Check if EVPN is enabled. */ |
5864 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5865 | return 0; |
5866 | ||
1a98c087 MK |
5867 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5868 | struct interface *svi_if = | |
5869 | NULL; /* SVI corresponding to the MACVLAN */ | |
5870 | struct zebra_if *ifp_zif = | |
5871 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5872 | struct zebra_if *svi_if_zif = | |
5873 | NULL; /* Zebra daemon specific info for SVI*/ | |
5874 | ||
5875 | ifp_zif = ifp->info; | |
5876 | if (!ifp_zif) | |
5877 | return -1; | |
5878 | ||
71349e03 MK |
5879 | /* |
5880 | * for a MACVLAN interface the link represents the svi_if | |
5881 | */ | |
5882 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5883 | ifp_zif->link_ifindex); | |
1a98c087 | 5884 | if (!svi_if) { |
43e52561 QY |
5885 | zlog_warn("MACVLAN %s(%u) without link information", |
5886 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5887 | return -1; |
5888 | } | |
5889 | ||
5890 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5891 | /* |
5892 | * If it is a vlan aware bridge then the link gives the | |
5893 | * bridge information | |
5894 | */ | |
5895 | struct interface *svi_if_link = NULL; | |
5896 | ||
1a98c087 | 5897 | svi_if_zif = svi_if->info; |
71349e03 MK |
5898 | if (svi_if_zif) { |
5899 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5900 | zebra_ns_lookup(NS_DEFAULT), |
5901 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5902 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5903 | } |
1a98c087 | 5904 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5905 | /* |
5906 | * If it is a vlan unaware bridge then svi is the bridge | |
5907 | * itself | |
5908 | */ | |
b7cfce93 | 5909 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5910 | } |
5911 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5912 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5913 | NULL; /* Zebra daemon specific info for SVI */ |
5914 | struct interface *svi_if_link = | |
5915 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5916 | |
5917 | svi_if_zif = ifp->info; | |
e3bb770c IS |
5918 | if (svi_if_zif) { |
5919 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
5920 | zebra_ns_lookup(NS_DEFAULT), |
5921 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
5922 | if (svi_if_link) |
5923 | zvni = zvni_from_svi(ifp, svi_if_link); | |
5924 | } | |
1a98c087 | 5925 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5926 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5927 | } |
5928 | ||
5929 | if (!zvni) | |
5930 | return 0; | |
5931 | ||
5932 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5933 | zlog_warn("VNI %u hash %p doesn't have intf upon MACVLAN up", |
5934 | zvni->vni, zvni); | |
1a98c087 MK |
5935 | return -1; |
5936 | } | |
5937 | ||
1a98c087 | 5938 | |
1a98c087 MK |
5939 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
5940 | ||
5941 | if (p->family == AF_INET) { | |
5942 | ip.ipa_type = IPADDR_V4; | |
5943 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5944 | sizeof(struct in_addr)); | |
5945 | } else if (p->family == AF_INET6) { | |
5946 | ip.ipa_type = IPADDR_V6; | |
5947 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5948 | sizeof(struct in6_addr)); | |
5949 | } | |
5950 | ||
5951 | ||
5952 | if (add) | |
5953 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5954 | else | |
5955 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5956 | ||
5957 | return 0; | |
5958 | } | |
5959 | ||
2232a77c | 5960 | /* |
b7cfce93 MK |
5961 | * Handle SVI interface going down. |
5962 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5963 | * For L2-VNI: At this point, this is a NOP since | |
5964 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5965 | * We only need to update the vrf corresponding to zvni. | |
5966 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5967 | * from bgp | |
2232a77c | 5968 | */ |
d62a17ae | 5969 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5970 | { |
b7cfce93 MK |
5971 | zebra_l3vni_t *zl3vni = NULL; |
5972 | ||
5973 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5974 | if (zl3vni) { | |
5975 | ||
5976 | /* process l3-vni down */ | |
5977 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
5978 | ||
5979 | /* remove association with svi-if */ | |
5980 | zl3vni->svi_if = NULL; | |
5981 | } else { | |
5982 | zebra_vni_t *zvni = NULL; | |
5983 | ||
5984 | /* since we dont have svi corresponding to zvni, we associate it | |
5985 | * to default vrf. Note: the corresponding neigh entries on the | |
5986 | * SVI would have already been deleted */ | |
5987 | zvni = zvni_from_svi(ifp, link_if); | |
5988 | if (zvni) { | |
5989 | zvni->vrf_id = VRF_DEFAULT; | |
5990 | ||
5991 | /* update the tenant vrf in BGP */ | |
5992 | zvni_send_add_to_client(zvni); | |
5993 | } | |
5994 | } | |
d62a17ae | 5995 | return 0; |
2232a77c | 5996 | } |
5997 | ||
5998 | /* | |
b7cfce93 MK |
5999 | * Handle SVI interface coming up. |
6000 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6001 | * vxlan intf). | |
6002 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6003 | * apr-suppression) | |
6004 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6005 | */ |
d62a17ae | 6006 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6007 | { |
b7cfce93 MK |
6008 | zebra_vni_t *zvni = NULL; |
6009 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6010 | |
b7cfce93 MK |
6011 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6012 | if (zl3vni) { | |
2232a77c | 6013 | |
b7cfce93 MK |
6014 | /* associate with svi */ |
6015 | zl3vni->svi_if = ifp; | |
2232a77c | 6016 | |
b7cfce93 MK |
6017 | /* process oper-up */ |
6018 | if (is_l3vni_oper_up(zl3vni)) | |
6019 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6020 | } else { | |
6021 | ||
6022 | /* process SVI up for l2-vni */ | |
6023 | struct neigh_walk_ctx n_wctx; | |
6024 | ||
6025 | zvni = zvni_from_svi(ifp, link_if); | |
6026 | if (!zvni) | |
6027 | return 0; | |
6028 | ||
6029 | if (!zvni->vxlan_if) { | |
43e52561 QY |
6030 | zlog_warn( |
6031 | "VNI %u hash %p doesn't have intf upon SVI up", | |
6032 | zvni->vni, zvni); | |
b7cfce93 MK |
6033 | return -1; |
6034 | } | |
6035 | ||
6036 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6037 | zlog_debug( |
6038 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6039 | ifp->name, ifp->ifindex, zvni->vni, | |
6040 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6041 | |
b7cfce93 MK |
6042 | /* update the vrf information for l2-vni and inform bgp */ |
6043 | zvni->vrf_id = ifp->vrf_id; | |
6044 | zvni_send_add_to_client(zvni); | |
6045 | ||
6046 | /* Install any remote neighbors for this VNI. */ | |
6047 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6048 | n_wctx.zvni = zvni; | |
996c9314 | 6049 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6050 | &n_wctx); |
6051 | } | |
2232a77c | 6052 | |
d62a17ae | 6053 | return 0; |
2232a77c | 6054 | } |
6055 | ||
13d60d35 | 6056 | /* |
b7cfce93 | 6057 | * Handle VxLAN interface down |
13d60d35 | 6058 | */ |
d62a17ae | 6059 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6060 | { |
d62a17ae | 6061 | vni_t vni; |
b7cfce93 MK |
6062 | struct zebra_if *zif = NULL; |
6063 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6064 | zebra_l3vni_t *zl3vni = NULL; |
6065 | zebra_vni_t *zvni; | |
13d60d35 | 6066 | |
2853fed6 | 6067 | /* Check if EVPN is enabled. */ |
6068 | if (!is_evpn_enabled()) | |
d62a17ae | 6069 | return 0; |
13d60d35 | 6070 | |
d62a17ae | 6071 | zif = ifp->info; |
6072 | assert(zif); | |
6073 | vxl = &zif->l2info.vxl; | |
6074 | vni = vxl->vni; | |
13d60d35 | 6075 | |
643215ce | 6076 | zl3vni = zl3vni_lookup(vni); |
6077 | if (zl3vni) { | |
b7cfce93 | 6078 | /* process-if-down for l3-vni */ |
b7cfce93 | 6079 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6080 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6081 | ifp->ifindex, vni); | |
b7cfce93 | 6082 | |
b7cfce93 | 6083 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6084 | } else { |
6085 | /* process if-down for l2-vni */ | |
b7cfce93 | 6086 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6087 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6088 | ifp->ifindex, vni); | |
13d60d35 | 6089 | |
b7cfce93 MK |
6090 | /* Locate hash entry; it is expected to exist. */ |
6091 | zvni = zvni_lookup(vni); | |
6092 | if (!zvni) { | |
43e52561 | 6093 | zlog_warn( |
b7cfce93 MK |
6094 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6095 | ifp->name, ifp->ifindex, vni); | |
6096 | return -1; | |
6097 | } | |
13d60d35 | 6098 | |
b7cfce93 | 6099 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6100 | |
b7cfce93 MK |
6101 | /* Delete this VNI from BGP. */ |
6102 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6103 | |
b7cfce93 MK |
6104 | /* Free up all neighbors and MACs, if any. */ |
6105 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6106 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6107 | |
b7cfce93 MK |
6108 | /* Free up all remote VTEPs, if any. */ |
6109 | zvni_vtep_del_all(zvni, 1); | |
6110 | } | |
d62a17ae | 6111 | return 0; |
13d60d35 | 6112 | } |
6113 | ||
6114 | /* | |
6115 | * Handle VxLAN interface up - update BGP if required. | |
6116 | */ | |
d62a17ae | 6117 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6118 | { |
d62a17ae | 6119 | vni_t vni; |
b7cfce93 MK |
6120 | struct zebra_if *zif = NULL; |
6121 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6122 | zebra_vni_t *zvni = NULL; |
6123 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6124 | |
2853fed6 | 6125 | /* Check if EVPN is enabled. */ |
6126 | if (!is_evpn_enabled()) | |
d62a17ae | 6127 | return 0; |
13d60d35 | 6128 | |
d62a17ae | 6129 | zif = ifp->info; |
6130 | assert(zif); | |
6131 | vxl = &zif->l2info.vxl; | |
6132 | vni = vxl->vni; | |
13d60d35 | 6133 | |
643215ce | 6134 | zl3vni = zl3vni_lookup(vni); |
6135 | if (zl3vni) { | |
13d60d35 | 6136 | |
b7cfce93 | 6137 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6138 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6139 | ifp->ifindex, vni); | |
13d60d35 | 6140 | |
b7cfce93 | 6141 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6142 | * svi-if only after association with vxlan-intf is complete |
6143 | */ | |
b7cfce93 MK |
6144 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6145 | ||
6146 | if (is_l3vni_oper_up(zl3vni)) | |
6147 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6148 | } else { | |
6149 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6150 | struct interface *vlan_if = NULL; |
6151 | ||
6152 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6153 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6154 | ifp->ifindex, vni); | |
b7cfce93 MK |
6155 | |
6156 | /* Locate hash entry; it is expected to exist. */ | |
6157 | zvni = zvni_lookup(vni); | |
6158 | if (!zvni) { | |
43e52561 | 6159 | zlog_warn( |
b7cfce93 MK |
6160 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6161 | ifp->name, ifp->ifindex, vni); | |
6162 | return -1; | |
6163 | } | |
6164 | ||
6165 | assert(zvni->vxlan_if == ifp); | |
6166 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6167 | zif->brslave_info.br_if); | |
6168 | if (vlan_if) { | |
6169 | zvni->vrf_id = vlan_if->vrf_id; | |
6170 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6171 | if (zl3vni) | |
6172 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6173 | } | |
6174 | ||
6175 | /* If part of a bridge, inform BGP about this VNI. */ | |
6176 | /* Also, read and populate local MACs and neighbors. */ | |
6177 | if (zif->brslave_info.br_if) { | |
6178 | zvni_send_add_to_client(zvni); | |
6179 | zvni_read_mac_neigh(zvni, ifp); | |
6180 | } | |
d62a17ae | 6181 | } |
13d60d35 | 6182 | |
d62a17ae | 6183 | return 0; |
13d60d35 | 6184 | } |
6185 | ||
6186 | /* | |
6187 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6188 | * and update BGP, if required. | |
6189 | */ | |
d62a17ae | 6190 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6191 | { |
d62a17ae | 6192 | vni_t vni; |
b7cfce93 MK |
6193 | struct zebra_if *zif = NULL; |
6194 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6195 | zebra_vni_t *zvni = NULL; |
6196 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6197 | |
2853fed6 | 6198 | /* Check if EVPN is enabled. */ |
6199 | if (!is_evpn_enabled()) | |
d62a17ae | 6200 | return 0; |
13d60d35 | 6201 | |
d62a17ae | 6202 | zif = ifp->info; |
6203 | assert(zif); | |
6204 | vxl = &zif->l2info.vxl; | |
6205 | vni = vxl->vni; | |
13d60d35 | 6206 | |
643215ce | 6207 | zl3vni = zl3vni_lookup(vni); |
6208 | if (zl3vni) { | |
b7cfce93 MK |
6209 | |
6210 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6211 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6212 | ifp->ifindex); | |
13d60d35 | 6213 | |
b7cfce93 MK |
6214 | /* process oper-down for l3-vni */ |
6215 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6216 | |
b7cfce93 | 6217 | /* remove the association with vxlan_if */ |
b67a60d2 | 6218 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6219 | zl3vni->vxlan_if = NULL; |
6220 | } else { | |
13d60d35 | 6221 | |
b7cfce93 | 6222 | /* process if-del for l2-vni*/ |
b7cfce93 | 6223 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6224 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6225 | ifp->ifindex); | |
b7cfce93 MK |
6226 | |
6227 | /* Locate hash entry; it is expected to exist. */ | |
6228 | zvni = zvni_lookup(vni); | |
6229 | if (!zvni) { | |
43e52561 | 6230 | zlog_warn( |
b7cfce93 MK |
6231 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6232 | ifp->name, ifp->ifindex, vni); | |
6233 | return 0; | |
6234 | } | |
6235 | ||
6236 | /* remove from l3-vni list */ | |
6237 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6238 | if (zl3vni) | |
6239 | listnode_delete(zl3vni->l2vnis, zvni); | |
6240 | ||
6241 | /* Delete VNI from BGP. */ | |
6242 | zvni_send_del_to_client(zvni->vni); | |
6243 | ||
6244 | /* Free up all neighbors and MAC, if any. */ | |
6245 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6246 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6247 | ||
6248 | /* Free up all remote VTEPs, if any. */ | |
6249 | zvni_vtep_del_all(zvni, 0); | |
6250 | ||
6251 | /* Delete the hash entry. */ | |
6252 | if (zvni_del(zvni)) { | |
af4c2728 | 6253 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
6254 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6255 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6256 | return -1; |
6257 | } | |
d62a17ae | 6258 | } |
d62a17ae | 6259 | return 0; |
13d60d35 | 6260 | } |
6261 | ||
6262 | /* | |
6263 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6264 | */ | |
d7c0a89a | 6265 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6266 | { |
d62a17ae | 6267 | vni_t vni; |
b7cfce93 MK |
6268 | struct zebra_if *zif = NULL; |
6269 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6270 | zebra_vni_t *zvni = NULL; |
6271 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6272 | |
2853fed6 | 6273 | /* Check if EVPN is enabled. */ |
6274 | if (!is_evpn_enabled()) | |
d62a17ae | 6275 | return 0; |
6276 | ||
6277 | zif = ifp->info; | |
6278 | assert(zif); | |
6279 | vxl = &zif->l2info.vxl; | |
6280 | vni = vxl->vni; | |
6281 | ||
643215ce | 6282 | zl3vni = zl3vni_lookup(vni); |
6283 | if (zl3vni) { | |
af026ae4 | 6284 | |
b7cfce93 MK |
6285 | if (IS_ZEBRA_DEBUG_VXLAN) |
6286 | zlog_debug( | |
6287 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6288 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6289 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6290 | zif->brslave_info.bridge_ifindex, chgflags); |
6291 | ||
6292 | /* Removed from bridge? Cleanup and return */ | |
6293 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6294 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6295 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6296 | return 0; | |
6297 | } | |
6298 | ||
6299 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6300 | * svi_if and then process oper up again |
6301 | */ | |
b7cfce93 MK |
6302 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6303 | if (if_is_operative(ifp)) { | |
6304 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6305 | zl3vni->svi_if = NULL; | |
6306 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6307 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6308 | if (is_l3vni_oper_up(zl3vni)) |
6309 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6310 | zl3vni); |
b7cfce93 MK |
6311 | } |
6312 | } | |
d62a17ae | 6313 | |
12eeac84 MK |
6314 | /* |
6315 | * local-ip change - process oper down, associate with new | |
6316 | * local-ip and then process oper up again | |
6317 | */ | |
6318 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6319 | if (if_is_operative(ifp)) { | |
6320 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6321 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6322 | if (is_l3vni_oper_up(zl3vni)) | |
6323 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6324 | zl3vni); |
12eeac84 MK |
6325 | } |
6326 | } | |
6327 | ||
bca63dc8 MK |
6328 | /* Update local tunnel IP. */ |
6329 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6330 | ||
12eeac84 MK |
6331 | /* if we have a valid new master, process l3-vni oper up */ |
6332 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6333 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6334 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6335 | } | |
6336 | } else { | |
d62a17ae | 6337 | |
b7cfce93 MK |
6338 | /* Update VNI hash. */ |
6339 | zvni = zvni_lookup(vni); | |
6340 | if (!zvni) { | |
43e52561 | 6341 | zlog_warn( |
b7cfce93 MK |
6342 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6343 | ifp->name, ifp->ifindex, vni); | |
6344 | return -1; | |
6345 | } | |
d62a17ae | 6346 | |
b7cfce93 MK |
6347 | if (IS_ZEBRA_DEBUG_VXLAN) |
6348 | zlog_debug( | |
6349 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6350 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6351 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6352 | zif->brslave_info.bridge_ifindex, chgflags); |
6353 | ||
6354 | /* Removed from bridge? Cleanup and return */ | |
6355 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6356 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6357 | /* Delete from client, remove all remote VTEPs */ | |
6358 | /* Also, free up all MACs and neighbors. */ | |
6359 | zvni_send_del_to_client(zvni->vni); | |
6360 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6361 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6362 | zvni_vtep_del_all(zvni, 1); | |
6363 | return 0; | |
6364 | } | |
d62a17ae | 6365 | |
b7cfce93 MK |
6366 | /* Handle other changes. */ |
6367 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6368 | /* Remove all existing local neigh and MACs for this VNI | |
6369 | * (including from BGP) | |
6370 | */ | |
6371 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6372 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6373 | } | |
d62a17ae | 6374 | |
b7cfce93 MK |
6375 | zvni->local_vtep_ip = vxl->vtep_ip; |
6376 | zvni->vxlan_if = ifp; | |
d62a17ae | 6377 | |
b7cfce93 MK |
6378 | /* Take further actions needed. |
6379 | * Note that if we are here, there is a change of interest. | |
6380 | */ | |
6381 | /* If down or not mapped to a bridge, we're done. */ | |
6382 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6383 | return 0; | |
d62a17ae | 6384 | |
b7cfce93 MK |
6385 | /* Inform BGP, if there is a change of interest. */ |
6386 | if (chgflags | |
6387 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6388 | zvni_send_add_to_client(zvni); | |
6389 | ||
6390 | /* If there is a valid new master or a VLAN mapping change, | |
6391 | * read and populate local MACs and neighbors. | |
6392 | * Also, reinstall any remote MACs and neighbors | |
6393 | * for this VNI (based on new VLAN). | |
6394 | */ | |
6395 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6396 | zvni_read_mac_neigh(zvni, ifp); | |
6397 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6398 | struct mac_walk_ctx m_wctx; | |
6399 | struct neigh_walk_ctx n_wctx; | |
6400 | ||
6401 | zvni_read_mac_neigh(zvni, ifp); | |
6402 | ||
6403 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6404 | m_wctx.zvni = zvni; | |
996c9314 | 6405 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6406 | &m_wctx); |
6407 | ||
6408 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6409 | n_wctx.zvni = zvni; | |
6410 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6411 | &n_wctx); | |
6412 | } | |
d62a17ae | 6413 | } |
6414 | ||
6415 | return 0; | |
13d60d35 | 6416 | } |
6417 | ||
6418 | /* | |
6419 | * Handle VxLAN interface add. | |
6420 | */ | |
d62a17ae | 6421 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6422 | { |
d62a17ae | 6423 | vni_t vni; |
b7cfce93 MK |
6424 | struct zebra_if *zif = NULL; |
6425 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6426 | zebra_vni_t *zvni = NULL; |
6427 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6428 | |
2853fed6 | 6429 | /* Check if EVPN is enabled. */ |
6430 | if (!is_evpn_enabled()) | |
d62a17ae | 6431 | return 0; |
13d60d35 | 6432 | |
d62a17ae | 6433 | zif = ifp->info; |
6434 | assert(zif); | |
6435 | vxl = &zif->l2info.vxl; | |
6436 | vni = vxl->vni; | |
13d60d35 | 6437 | |
643215ce | 6438 | zl3vni = zl3vni_lookup(vni); |
6439 | if (zl3vni) { | |
13d60d35 | 6440 | |
b7cfce93 | 6441 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6442 | if (IS_ZEBRA_DEBUG_VXLAN) |
6443 | zlog_debug( | |
6444 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6445 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6446 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6447 | zif->brslave_info.bridge_ifindex); |
6448 | ||
b7cfce93 | 6449 | /* associate with vxlan_if */ |
b67a60d2 | 6450 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6451 | zl3vni->vxlan_if = ifp; |
6452 | ||
6453 | /* Associate with SVI, if any. We can associate with svi-if only | |
6454 | * after association with vxlan_if is complete */ | |
6455 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6456 | ||
6457 | if (is_l3vni_oper_up(zl3vni)) | |
6458 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6459 | } else { | |
6460 | ||
6461 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6462 | struct interface *vlan_if = NULL; |
6463 | ||
6464 | /* Create or update VNI hash. */ | |
6465 | zvni = zvni_lookup(vni); | |
6466 | if (!zvni) { | |
6467 | zvni = zvni_add(vni); | |
6468 | if (!zvni) { | |
af4c2728 | 6469 | flog_err( |
43e52561 | 6470 | ZEBRA_ERR_VNI_ADD_FAILED, |
b7cfce93 MK |
6471 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6472 | ifp->name, ifp->ifindex, vni); | |
6473 | return -1; | |
6474 | } | |
6475 | } | |
6476 | ||
6477 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6478 | zvni->vxlan_if = ifp; | |
6479 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6480 | zif->brslave_info.br_if); | |
6481 | if (vlan_if) { | |
6482 | zvni->vrf_id = vlan_if->vrf_id; | |
6483 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6484 | if (zl3vni) | |
6485 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6486 | } | |
6487 | ||
6488 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6489 | zlog_debug( | |
6490 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6491 | vni, | |
996c9314 LB |
6492 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6493 | : "Default", | |
6494 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6495 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6496 | zif->brslave_info.bridge_ifindex); |
6497 | ||
6498 | /* If down or not mapped to a bridge, we're done. */ | |
6499 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6500 | return 0; | |
6501 | ||
6502 | /* Inform BGP */ | |
6503 | zvni_send_add_to_client(zvni); | |
6504 | ||
6505 | /* Read and populate local MACs and neighbors */ | |
6506 | zvni_read_mac_neigh(zvni, ifp); | |
6507 | } | |
6508 | ||
6509 | return 0; | |
6510 | } | |
6511 | ||
996c9314 LB |
6512 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6513 | char *err, int err_str_sz, int filter, | |
6514 | int add) | |
b7cfce93 MK |
6515 | { |
6516 | zebra_l3vni_t *zl3vni = NULL; | |
6517 | struct zebra_vrf *zvrf_default = NULL; | |
6518 | ||
6519 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6520 | if (!zvrf_default) | |
6521 | return -1; | |
6522 | ||
6523 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6524 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6525 | add ? "ADD" : "DEL"); |
6526 | ||
6527 | if (add) { | |
6528 | ||
6529 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6530 | ||
6531 | /* check if the vni is already present under zvrf */ | |
6532 | if (zvrf->l3vni) { | |
3f02fbab | 6533 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6534 | "VNI is already configured under the vrf"); |
6535 | return -1; | |
6536 | } | |
6537 | ||
6538 | /* check if this VNI is already present in the system */ | |
6539 | zl3vni = zl3vni_lookup(vni); | |
6540 | if (zl3vni) { | |
3f02fbab | 6541 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6542 | "VNI is already configured as L3-VNI"); |
6543 | return -1; | |
6544 | } | |
6545 | ||
6546 | /* add the L3-VNI to the global table */ | |
6547 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6548 | if (!zl3vni) { | |
996c9314 | 6549 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6550 | return -1; |
6551 | } | |
6552 | ||
6553 | /* associate the vrf with vni */ | |
6554 | zvrf->l3vni = vni; | |
6555 | ||
c48d9f5f MK |
6556 | /* set the filter in l3vni to denote if we are using l3vni only |
6557 | * for prefix routes | |
6558 | */ | |
6559 | if (filter) | |
6560 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6561 | ||
b7cfce93 | 6562 | /* associate with vxlan-intf; |
523cafc4 | 6563 | * we need to associate with the vxlan-intf first |
6564 | */ | |
b7cfce93 MK |
6565 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6566 | ||
6567 | /* associate with corresponding SVI interface, we can associate | |
6568 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6569 | * complete |
6570 | */ | |
b7cfce93 MK |
6571 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6572 | ||
6573 | /* formulate l2vni list */ | |
996c9314 LB |
6574 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6575 | zl3vni); | |
b7cfce93 MK |
6576 | |
6577 | if (is_l3vni_oper_up(zl3vni)) | |
6578 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6579 | ||
6580 | } else { | |
6581 | zl3vni = zl3vni_lookup(vni); | |
6582 | if (!zl3vni) { | |
3f02fbab | 6583 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6584 | return -1; |
6585 | } | |
b7cfce93 | 6586 | |
cf299714 MK |
6587 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6588 | snprintf(err, ERR_STR_SZ, | |
6589 | "prefix-routes-only is not set for the vni"); | |
6590 | return -1; | |
6591 | } | |
6592 | ||
b7cfce93 MK |
6593 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6594 | ||
5e06422c | 6595 | /* delete and uninstall all rmacs */ |
996c9314 | 6596 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6597 | zl3vni); |
6598 | ||
6599 | /* delete and uninstall all next-hops */ | |
996c9314 | 6600 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6601 | zl3vni); |
6602 | ||
b7cfce93 MK |
6603 | zvrf->l3vni = 0; |
6604 | zl3vni_del(zl3vni); | |
6605 | ||
6606 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6607 | } |
b7cfce93 MK |
6608 | return 0; |
6609 | } | |
13d60d35 | 6610 | |
84915b0a | 6611 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6612 | { | |
6613 | zebra_l3vni_t *zl3vni = NULL; | |
6614 | ||
6615 | if (zvrf->l3vni) | |
6616 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6617 | if (!zl3vni) | |
6618 | return 0; | |
6619 | ||
6620 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6621 | if (is_l3vni_oper_up(zl3vni)) | |
6622 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6623 | return 0; | |
6624 | } | |
6625 | ||
6626 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6627 | { |
6628 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6629 | |
84915b0a | 6630 | if (zvrf->l3vni) |
6631 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6632 | if (!zl3vni) |
d62a17ae | 6633 | return 0; |
13d60d35 | 6634 | |
84915b0a | 6635 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6636 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6637 | return 0; |
6638 | } | |
6639 | ||
6640 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6641 | { | |
6642 | zebra_l3vni_t *zl3vni = NULL; | |
6643 | vni_t vni; | |
6644 | ||
6645 | if (zvrf->l3vni) | |
6646 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6647 | if (!zl3vni) | |
6648 | return 0; | |
6649 | ||
6650 | vni = zl3vni->vni; | |
b7cfce93 | 6651 | zl3vni_del(zl3vni); |
84915b0a | 6652 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6653 | |
d62a17ae | 6654 | return 0; |
13d60d35 | 6655 | } |
6656 | ||
31310b25 MK |
6657 | /* |
6658 | * Handle message from client to enable/disable advertisement of g/w macip | |
6659 | * routes | |
6660 | */ | |
89f4e507 | 6661 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6662 | { |
6663 | struct stream *s; | |
6664 | int advertise; | |
6665 | vni_t vni = 0; | |
6666 | zebra_vni_t *zvni = NULL; | |
6667 | struct interface *ifp = NULL; | |
6668 | struct zebra_if *zif = NULL; | |
6669 | struct zebra_l2info_vxlan zl2_info; | |
6670 | struct interface *vlan_if = NULL; | |
6671 | ||
6672 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
43e52561 QY |
6673 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6674 | zvrf_id(zvrf)); | |
8068a649 | 6675 | return; |
31310b25 MK |
6676 | } |
6677 | ||
1002497a | 6678 | s = msg; |
2017b3ea | 6679 | STREAM_GETC(s, advertise); |
31310b25 MK |
6680 | vni = stream_get3(s); |
6681 | ||
6682 | zvni = zvni_lookup(vni); | |
6683 | if (!zvni) | |
8068a649 | 6684 | return; |
31310b25 MK |
6685 | |
6686 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6687 | return; |
31310b25 MK |
6688 | |
6689 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6690 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6691 | advertise ? "enabled" : "disabled", vni, | |
6692 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6693 | |
6694 | ||
6695 | zvni->advertise_subnet = advertise; | |
6696 | ||
6697 | ifp = zvni->vxlan_if; | |
6698 | if (!ifp) | |
8068a649 | 6699 | return; |
31310b25 MK |
6700 | |
6701 | zif = ifp->info; | |
6702 | ||
6703 | /* If down or not mapped to a bridge, we're done. */ | |
6704 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6705 | return; |
31310b25 MK |
6706 | |
6707 | zl2_info = zif->l2info.vxl; | |
6708 | ||
996c9314 LB |
6709 | vlan_if = |
6710 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6711 | if (!vlan_if) |
8068a649 | 6712 | return; |
31310b25 MK |
6713 | |
6714 | if (zvni->advertise_subnet) | |
6715 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6716 | else | |
6717 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6718 | |
6719 | stream_failure: | |
6720 | return; | |
31310b25 MK |
6721 | } |
6722 | ||
1a98c087 MK |
6723 | /* |
6724 | * Handle message from client to enable/disable advertisement of g/w macip | |
6725 | * routes | |
6726 | */ | |
89f4e507 | 6727 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6728 | { |
6729 | struct stream *s; | |
6730 | int advertise; | |
6731 | vni_t vni = 0; | |
6732 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6733 | struct interface *ifp = NULL; |
1a98c087 | 6734 | |
2853fed6 | 6735 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
6736 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6737 | zvrf_id(zvrf)); | |
8068a649 | 6738 | return; |
2853fed6 | 6739 | } |
6740 | ||
1002497a | 6741 | s = msg; |
ec93aa12 | 6742 | STREAM_GETC(s, advertise); |
cc6d5476 | 6743 | STREAM_GETL(s, vni); |
1a98c087 MK |
6744 | |
6745 | if (!vni) { | |
6746 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6747 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6748 | advertise ? "enabled" : "disabled", |
2853fed6 | 6749 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6750 | ? "enabled" |
6751 | : "disabled"); | |
6752 | ||
6753 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6754 | return; |
1a98c087 MK |
6755 | |
6756 | zvrf->advertise_gw_macip = advertise; | |
6757 | ||
2853fed6 | 6758 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6759 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6760 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6761 | else |
6762 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6763 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6764 | |
6765 | } else { | |
6766 | struct zebra_if *zif = NULL; | |
6767 | struct zebra_l2info_vxlan zl2_info; | |
6768 | struct interface *vlan_if = NULL; | |
6769 | struct interface *vrr_if = NULL; | |
6770 | ||
01a6143b MK |
6771 | zvni = zvni_lookup(vni); |
6772 | if (!zvni) | |
124ead27 | 6773 | return; |
01a6143b | 6774 | |
1a98c087 MK |
6775 | if (IS_ZEBRA_DEBUG_VXLAN) |
6776 | zlog_debug( | |
2853fed6 | 6777 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6778 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6779 | advertise_gw_macip_enabled(zvni) ? "enabled" |
6780 | : "disabled"); | |
1a98c087 | 6781 | |
1a98c087 | 6782 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 6783 | return; |
1a98c087 MK |
6784 | |
6785 | zvni->advertise_gw_macip = advertise; | |
6786 | ||
b5ebdc9b | 6787 | ifp = zvni->vxlan_if; |
6788 | if (!ifp) | |
8068a649 | 6789 | return; |
b5ebdc9b | 6790 | |
6791 | zif = ifp->info; | |
6792 | ||
6793 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6794 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 6795 | return; |
b5ebdc9b | 6796 | |
1a98c087 MK |
6797 | zl2_info = zif->l2info.vxl; |
6798 | ||
2853fed6 | 6799 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6800 | zif->brslave_info.br_if); |
6801 | if (!vlan_if) | |
8068a649 | 6802 | return; |
1a98c087 | 6803 | |
2853fed6 | 6804 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6805 | /* Add primary SVI MAC-IP */ |
6806 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6807 | ||
6808 | /* Add VRR MAC-IP - if any*/ | |
6809 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6810 | if (vrr_if) | |
6811 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6812 | } else { | |
6813 | /* Del primary MAC-IP */ | |
6814 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6815 | ||
6816 | /* Del VRR MAC-IP - if any*/ | |
6817 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6818 | if (vrr_if) | |
6819 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6820 | } | |
6821 | } | |
6822 | ||
ec93aa12 | 6823 | stream_failure: |
8068a649 | 6824 | return; |
1a98c087 MK |
6825 | } |
6826 | ||
6827 | ||
13d60d35 | 6828 | /* |
6829 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6830 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6831 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6832 | * uninstalled from the kernel. | |
6833 | */ | |
89f4e507 | 6834 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 6835 | { |
655b04d1 MK |
6836 | struct stream *s = NULL; |
6837 | int advertise = 0; | |
6838 | struct zebra_ns *zns = NULL; | |
13d60d35 | 6839 | |
2853fed6 | 6840 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 | 6841 | zlog_warn("EVPN VNI Adv for non-default VRF %u", zvrf_id(zvrf)); |
8068a649 | 6842 | return; |
2853fed6 | 6843 | } |
6844 | ||
1002497a | 6845 | s = msg; |
ec93aa12 | 6846 | STREAM_GETC(s, advertise); |
13d60d35 | 6847 | |
d62a17ae | 6848 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6849 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6850 | advertise ? "enabled" : "disabled", |
2853fed6 | 6851 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6852 | |
d62a17ae | 6853 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 6854 | return; |
13d60d35 | 6855 | |
d62a17ae | 6856 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6857 | if (is_evpn_enabled()) { |
d62a17ae | 6858 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6859 | zvni_build_hash_table(); |
2232a77c | 6860 | |
1a98c087 MK |
6861 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6862 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6863 | NULL); |
1a98c087 | 6864 | |
d62a17ae | 6865 | /* Read the MAC FDB */ |
6866 | macfdb_read(zvrf->zns); | |
2232a77c | 6867 | |
d62a17ae | 6868 | /* Read neighbors */ |
6869 | neigh_read(zvrf->zns); | |
6870 | } else { | |
6871 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6872 | * kernel and free entries. | |
6873 | */ | |
6874 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
6875 | |
6876 | /* cleanup all l3vnis */ | |
6877 | zns = zebra_ns_lookup(NS_DEFAULT); | |
6878 | if (!zns) | |
8068a649 | 6879 | return; |
655b04d1 MK |
6880 | |
6881 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 6882 | } |
13d60d35 | 6883 | |
ec93aa12 | 6884 | stream_failure: |
8068a649 | 6885 | return; |
13d60d35 | 6886 | } |
6887 | ||
6888 | /* | |
6889 | * Allocate VNI hash table for this VRF and do other initialization. | |
6890 | * NOTE: Currently supported only for default VRF. | |
6891 | */ | |
d62a17ae | 6892 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6893 | { |
d62a17ae | 6894 | if (!zvrf) |
6895 | return; | |
6896 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6897 | "Zebra VRF VNI Table"); | |
13d60d35 | 6898 | } |
6899 | ||
84915b0a | 6900 | /* Cleanup VNI info, but don't free the table. */ |
6901 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
6902 | { | |
6903 | if (!zvrf) | |
6904 | return; | |
6905 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
6906 | } | |
6907 | ||
13d60d35 | 6908 | /* Close all VNI handling */ |
d62a17ae | 6909 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6910 | { |
2853fed6 | 6911 | if (!zvrf) |
6912 | return; | |
d62a17ae | 6913 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6914 | hash_free(zvrf->vni_table); |
13d60d35 | 6915 | } |
b7cfce93 MK |
6916 | |
6917 | /* init the l3vni table */ | |
6918 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6919 | { | |
6920 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6921 | "Zebra VRF L3 VNI table"); | |
6922 | } | |
6923 | ||
6924 | /* free l3vni table */ | |
6925 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6926 | { | |
6927 | hash_free(zns->l3vni_table); | |
6928 | } | |
d3135ba3 | 6929 | |
6930 | /* get the l3vni svi ifindex */ | |
6931 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6932 | { | |
6933 | zebra_l3vni_t *zl3vni = NULL; | |
6934 | ||
6935 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6936 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6937 | return 0; | |
6938 | ||
6939 | return zl3vni->svi_if->ifindex; | |
6940 | } |