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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; | |
29c2ce7c | 1964 | bool check_rbit = false; |
ee69da27 MK |
1965 | |
1966 | /* create a dummy MAC if the MAC is not already present */ | |
1967 | zmac = zvni_mac_lookup(zvni, macaddr); | |
1968 | if (!zmac) { | |
1969 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1970 | zlog_debug( | |
1971 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1972 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1973 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1974 | ||
1975 | zmac = zvni_mac_add(zvni, macaddr); | |
1976 | if (!zmac) { | |
1977 | zlog_warn("Failed to add MAC %s VNI %u", | |
1978 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1979 | zvni->vni); | |
1980 | return -1; | |
1981 | } | |
1982 | ||
1983 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1984 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1985 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
1986 | } | |
1987 | ||
1988 | /* If same entry already exists, it might be a change or it might be a | |
1989 | * move from remote to local. | |
1990 | */ | |
1991 | n = zvni_neigh_lookup(zvni, ip); | |
1992 | if (n) { | |
1993 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
29c2ce7c CS |
1994 | |
1995 | if (router_flag != | |
1996 | (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) | |
1997 | ? 1 : 0)) | |
1998 | check_rbit = true; | |
1999 | ||
ee69da27 MK |
2000 | if (memcmp(n->emac.octet, macaddr->octet, |
2001 | ETH_ALEN) == 0) { | |
2002 | /* Update any params and return - client doesn't | |
2003 | * care about a purely local change. | |
2004 | */ | |
2005 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2006 | } else { |
ee69da27 | 2007 | |
29c2ce7c CS |
2008 | /* If the MAC has changed, |
2009 | * need to issue a delete first | |
2010 | * as this means a different MACIP route. | |
2011 | * Also, need to do some unlinking/relinking. | |
2012 | */ | |
2013 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
ee69da27 | 2014 | &n->emac, 0); |
29c2ce7c CS |
2015 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
2016 | if (old_zmac) { | |
2017 | listnode_delete(old_zmac->neigh_list, n); | |
2018 | zvni_deref_ip2mac(zvni, old_zmac, 0); | |
2019 | } | |
ee69da27 | 2020 | |
29c2ce7c CS |
2021 | /* Update the forwarding info. */ |
2022 | n->ifindex = ifp->ifindex; | |
2023 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
ee69da27 | 2024 | |
29c2ce7c CS |
2025 | /* Link to new MAC */ |
2026 | listnode_add_sort(zmac->neigh_list, n); | |
2027 | } | |
ee69da27 MK |
2028 | |
2029 | } else | |
2030 | /* Neighbor has moved from remote to local. */ | |
2031 | { | |
2032 | /* If MAC has changed, do the unlink/link */ | |
2033 | if (memcmp(n->emac.octet, macaddr->octet, | |
2034 | ETH_ALEN) != 0) { | |
2035 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2036 | if (old_zmac) { | |
9fc1522c DS |
2037 | listnode_delete(old_zmac->neigh_list, |
2038 | n); | |
ee69da27 MK |
2039 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2040 | } | |
2041 | ||
2042 | /* Link to new MAC */ | |
2043 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2044 | listnode_add_sort(zmac->neigh_list, n); | |
2045 | } | |
2046 | ||
2047 | /* Mark appropriately */ | |
2048 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2049 | n->r_vtep_ip.s_addr = 0; | |
2050 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2051 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2052 | check_rbit = true; |
ee69da27 MK |
2053 | } |
2054 | } else { | |
2055 | /* New neighbor - create */ | |
2056 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2057 | if (!n) { | |
af4c2728 | 2058 | flog_err( |
43e52561 | 2059 | ZEBRA_ERR_MAC_ADD_FAILED, |
ee69da27 MK |
2060 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2061 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2062 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2063 | ifp->name, ifp->ifindex, zvni->vni); | |
2064 | return -1; | |
2065 | } | |
2066 | /* Set "local" forwarding info. */ | |
2067 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2068 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2069 | check_rbit = true; |
ee69da27 MK |
2070 | } |
2071 | ||
54c17425 CS |
2072 | /*Mark Router flag (R-bit) */ |
2073 | if (router_flag) | |
2074 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2075 | else | |
2076 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2077 | ||
ee69da27 MK |
2078 | /* Before we program this in BGP, we need to check if MAC is locally |
2079 | * learnt as well | |
2080 | */ | |
2081 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
2082 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2083 | zlog_debug( | |
29c2ce7c | 2084 | "Skipping neigh %s add to client as MAC %s is not local on VNI %u with flags 0x%x", |
ee69da27 MK |
2085 | ipaddr2str(ip, buf2, sizeof(buf2)), |
2086 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
29c2ce7c | 2087 | zvni->vni, n->flags); |
ee69da27 MK |
2088 | |
2089 | return 0; | |
2090 | } | |
2091 | ||
29c2ce7c CS |
2092 | if (!check_rbit) { |
2093 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2094 | zlog_debug( | |
2095 | "Skipping neigh %s with MAC %s on VNI %u add to client as router flag is not set.", | |
2096 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2097 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2098 | zvni->vni); | |
2099 | return 0; | |
2100 | } | |
2101 | ||
ee69da27 MK |
2102 | /* Inform BGP. */ |
2103 | if (IS_ZEBRA_DEBUG_VXLAN) | |
68e33151 | 2104 | zlog_debug("Neigh %s (MAC %s) is now ACTIVE on L2-VNI %u with flags 0x%x", |
ee69da27 MK |
2105 | ipaddr2str(ip, buf2, sizeof(buf2)), |
2106 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
68e33151 | 2107 | zvni->vni, n->flags); |
ee69da27 MK |
2108 | ZEBRA_NEIGH_SET_ACTIVE(n); |
2109 | ||
68e33151 | 2110 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, n->flags); |
ee69da27 MK |
2111 | } |
2112 | ||
2113 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2114 | struct interface *ifp, | |
2115 | struct ipaddr *ip, | |
2116 | struct ethaddr *macaddr, | |
2117 | uint16_t state) | |
2118 | { | |
2119 | char buf[ETHER_ADDR_STRLEN]; | |
2120 | char buf2[INET6_ADDRSTRLEN]; | |
2121 | zebra_neigh_t *n = NULL; | |
2122 | zebra_mac_t *zmac = NULL; | |
2123 | ||
2124 | /* If the neighbor is unknown, there is no further action. */ | |
2125 | n = zvni_neigh_lookup(zvni, ip); | |
2126 | if (!n) | |
2127 | return 0; | |
2128 | ||
2129 | /* If a remote entry, see if it needs to be refreshed */ | |
2130 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2131 | #ifdef GNU_LINUX |
ee69da27 MK |
2132 | if (state & NUD_STALE) |
2133 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2134 | #endif |
ee69da27 MK |
2135 | } else { |
2136 | /* We got a "remote" neighbor notification for an entry | |
2137 | * we think is local. This can happen in a multihoming | |
2138 | * scenario - but only if the MAC is already "remote". | |
2139 | * Just mark our entry as "remote". | |
2140 | */ | |
2141 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2142 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
43e52561 QY |
2143 | zlog_warn( |
2144 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", | |
2145 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2146 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2147 | zvni->vni); | |
ee69da27 MK |
2148 | return -1; |
2149 | } | |
2150 | ||
2151 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2152 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2153 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2154 | } | |
2155 | ||
2156 | return 0; | |
2157 | } | |
2158 | ||
2232a77c | 2159 | /* |
2160 | * Make hash key for MAC. | |
2161 | */ | |
d62a17ae | 2162 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2163 | { |
d62a17ae | 2164 | zebra_mac_t *pmac = p; |
25331def DS |
2165 | const void *pnt = (void *)pmac->macaddr.octet; |
2166 | ||
ff8b7eb8 | 2167 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2168 | } |
13d60d35 | 2169 | |
2232a77c | 2170 | /* |
2171 | * Compare two MAC addresses. | |
2172 | */ | |
d62a17ae | 2173 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2174 | { |
d62a17ae | 2175 | const zebra_mac_t *pmac1 = p1; |
2176 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2177 | |
d62a17ae | 2178 | if (pmac1 == NULL && pmac2 == NULL) |
2179 | return 1; | |
2232a77c | 2180 | |
d62a17ae | 2181 | if (pmac1 == NULL || pmac2 == NULL) |
2182 | return 0; | |
2232a77c | 2183 | |
996c9314 | 2184 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2185 | == 0); |
2232a77c | 2186 | } |
2187 | ||
2188 | /* | |
2189 | * Callback to allocate MAC hash entry. | |
2190 | */ | |
d62a17ae | 2191 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2192 | { |
d62a17ae | 2193 | const zebra_mac_t *tmp_mac = p; |
2194 | zebra_mac_t *mac; | |
2232a77c | 2195 | |
d62a17ae | 2196 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2197 | *mac = *tmp_mac; | |
2232a77c | 2198 | |
d62a17ae | 2199 | return ((void *)mac); |
2232a77c | 2200 | } |
2201 | ||
2202 | /* | |
2203 | * Add MAC entry. | |
2204 | */ | |
d62a17ae | 2205 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2206 | { |
d62a17ae | 2207 | zebra_mac_t tmp_mac; |
2208 | zebra_mac_t *mac = NULL; | |
2232a77c | 2209 | |
d62a17ae | 2210 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2211 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2212 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2213 | assert(mac); | |
2232a77c | 2214 | |
b6938a74 MK |
2215 | mac->neigh_list = list_new(); |
2216 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2217 | ||
d62a17ae | 2218 | return mac; |
2232a77c | 2219 | } |
2220 | ||
2221 | /* | |
2222 | * Delete MAC entry. | |
2223 | */ | |
d62a17ae | 2224 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2225 | { |
d62a17ae | 2226 | zebra_mac_t *tmp_mac; |
2232a77c | 2227 | |
affe9e99 | 2228 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2229 | |
d62a17ae | 2230 | /* Free the VNI hash entry and allocated memory. */ |
2231 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2232 | if (tmp_mac) | |
2233 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2234 | |
d62a17ae | 2235 | return 0; |
2232a77c | 2236 | } |
2237 | ||
2238 | /* | |
2239 | * Free MAC hash entry (callback) | |
2240 | */ | |
b1599bb6 | 2241 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2242 | { |
d62a17ae | 2243 | struct mac_walk_ctx *wctx = arg; |
2244 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2245 | |
d62a17ae | 2246 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2247 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2248 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2249 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2250 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2251 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2252 | &wctx->r_vtep_ip))) { | |
2253 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2254 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2255 | &mac->macaddr, mac->flags); | |
d62a17ae | 2256 | } |
2232a77c | 2257 | |
d62a17ae | 2258 | if (wctx->uninstall) |
2259 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2260 | |
b1599bb6 | 2261 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2262 | } |
2232a77c | 2263 | |
b1599bb6 | 2264 | return; |
2232a77c | 2265 | } |
2266 | ||
2267 | /* | |
2268 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2269 | */ | |
d62a17ae | 2270 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2271 | struct in_addr *r_vtep_ip) | |
2232a77c | 2272 | { |
d62a17ae | 2273 | struct mac_walk_ctx wctx; |
2232a77c | 2274 | |
d62a17ae | 2275 | if (!zvni->mac_table) |
2276 | return; | |
2232a77c | 2277 | |
d62a17ae | 2278 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2279 | wctx.zvni = zvni; | |
2280 | wctx.uninstall = uninstall; | |
2281 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2282 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2283 | |
b1599bb6 | 2284 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2285 | } |
2286 | ||
2287 | /* | |
2288 | * Delete all MAC entries for this VNI. | |
2289 | */ | |
996c9314 | 2290 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2291 | uint32_t flags) |
2232a77c | 2292 | { |
d62a17ae | 2293 | struct mac_walk_ctx wctx; |
2232a77c | 2294 | |
d62a17ae | 2295 | if (!zvni->mac_table) |
2296 | return; | |
2232a77c | 2297 | |
d62a17ae | 2298 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2299 | wctx.zvni = zvni; | |
d62a17ae | 2300 | wctx.uninstall = uninstall; |
2301 | wctx.upd_client = upd_client; | |
2302 | wctx.flags = flags; | |
2232a77c | 2303 | |
b1599bb6 | 2304 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2305 | } |
2306 | ||
2307 | /* | |
2308 | * Look up MAC hash entry. | |
2309 | */ | |
d62a17ae | 2310 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2311 | { |
d62a17ae | 2312 | zebra_mac_t tmp; |
2313 | zebra_mac_t *pmac; | |
2232a77c | 2314 | |
d62a17ae | 2315 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2316 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2317 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2318 | |
d62a17ae | 2319 | return pmac; |
2232a77c | 2320 | } |
2321 | ||
2322 | /* | |
2323 | * Inform BGP about local MAC addition. | |
2324 | */ | |
996c9314 | 2325 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2326 | uint8_t mac_flags) |
2232a77c | 2327 | { |
d7c0a89a | 2328 | uint8_t flags = 0; |
ead40654 MK |
2329 | |
2330 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2331 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2332 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2333 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2334 | ||
2853fed6 | 2335 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2336 | ZEBRA_MACIP_ADD); |
2232a77c | 2337 | } |
2338 | ||
2339 | /* | |
2340 | * Inform BGP about local MAC deletion. | |
2341 | */ | |
996c9314 | 2342 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2343 | uint8_t mac_flags) |
2232a77c | 2344 | { |
d7c0a89a | 2345 | uint8_t flags = 0; |
ead40654 MK |
2346 | |
2347 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2348 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2349 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2350 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2351 | ||
2853fed6 | 2352 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
d62a17ae | 2353 | ZEBRA_MACIP_DEL); |
2232a77c | 2354 | } |
2355 | ||
2356 | /* | |
2357 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2358 | * notifications, to see if they are of interest. |
2232a77c | 2359 | */ |
d62a17ae | 2360 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2361 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2362 | { |
2853fed6 | 2363 | struct zebra_ns *zns; |
2364 | struct route_node *rn; | |
2365 | struct interface *tmp_if = NULL; | |
d62a17ae | 2366 | struct zebra_if *zif; |
2367 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2368 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2369 | uint8_t bridge_vlan_aware; |
d62a17ae | 2370 | zebra_vni_t *zvni; |
2853fed6 | 2371 | int found = 0; |
2232a77c | 2372 | |
d62a17ae | 2373 | /* Determine if bridge is VLAN-aware or not */ |
2374 | zif = br_if->info; | |
2375 | assert(zif); | |
2376 | br = &zif->l2info.br; | |
2377 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2378 | |
d62a17ae | 2379 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2380 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2381 | zns = zebra_ns_lookup(NS_DEFAULT); |
2382 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2383 | tmp_if = (struct interface *)rn->info; | |
2384 | if (!tmp_if) | |
2385 | continue; | |
d62a17ae | 2386 | zif = tmp_if->info; |
2387 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2388 | continue; | |
2389 | if (!if_is_operative(tmp_if)) | |
2390 | continue; | |
2391 | vxl = &zif->l2info.vxl; | |
2232a77c | 2392 | |
d62a17ae | 2393 | if (zif->brslave_info.br_if != br_if) |
2394 | continue; | |
2232a77c | 2395 | |
2853fed6 | 2396 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2397 | found = 1; | |
d62a17ae | 2398 | break; |
2853fed6 | 2399 | } |
d62a17ae | 2400 | } |
2232a77c | 2401 | |
2853fed6 | 2402 | if (!found) |
d62a17ae | 2403 | return NULL; |
2232a77c | 2404 | |
2853fed6 | 2405 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2406 | return zvni; |
2232a77c | 2407 | } |
2408 | ||
2409 | /* | |
2410 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2411 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2412 | */ |
b7cfce93 MK |
2413 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2414 | struct interface *br_if) | |
d62a17ae | 2415 | { |
2853fed6 | 2416 | struct zebra_ns *zns; |
2417 | struct route_node *rn; | |
2418 | struct interface *tmp_if = NULL; | |
d62a17ae | 2419 | struct zebra_if *zif; |
2420 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2421 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2422 | uint8_t bridge_vlan_aware; |
d62a17ae | 2423 | vlanid_t vid = 0; |
2424 | zebra_vni_t *zvni; | |
2853fed6 | 2425 | int found = 0; |
d62a17ae | 2426 | |
71349e03 MK |
2427 | if (!br_if) |
2428 | return NULL; | |
2429 | ||
d62a17ae | 2430 | /* Make sure the linked interface is a bridge. */ |
2431 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2432 | return NULL; | |
2433 | ||
d62a17ae | 2434 | /* Determine if bridge is VLAN-aware or not */ |
2435 | zif = br_if->info; | |
2436 | assert(zif); | |
2437 | br = &zif->l2info.br; | |
2438 | bridge_vlan_aware = br->vlan_aware; | |
2439 | if (bridge_vlan_aware) { | |
2440 | struct zebra_l2info_vlan *vl; | |
2441 | ||
2442 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2443 | return NULL; | |
2444 | ||
2445 | zif = ifp->info; | |
2446 | assert(zif); | |
2447 | vl = &zif->l2info.vl; | |
2448 | vid = vl->vid; | |
2449 | } | |
2450 | ||
2451 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2452 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2453 | zns = zebra_ns_lookup(NS_DEFAULT); |
2454 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2455 | tmp_if = (struct interface *)rn->info; | |
2456 | if (!tmp_if) | |
2457 | continue; | |
d62a17ae | 2458 | zif = tmp_if->info; |
2459 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2460 | continue; | |
2461 | if (!if_is_operative(tmp_if)) | |
2462 | continue; | |
2463 | vxl = &zif->l2info.vxl; | |
2464 | ||
2465 | if (zif->brslave_info.br_if != br_if) | |
2466 | continue; | |
2467 | ||
2853fed6 | 2468 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2469 | found = 1; | |
d62a17ae | 2470 | break; |
2853fed6 | 2471 | } |
d62a17ae | 2472 | } |
2473 | ||
2853fed6 | 2474 | if (!found) |
d62a17ae | 2475 | return NULL; |
2476 | ||
2853fed6 | 2477 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2478 | return zvni; |
2232a77c | 2479 | } |
2480 | ||
2481 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2482 | * of two cases: | |
2483 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2484 | * linked to the bridge | |
2485 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2486 | * itself | |
2487 | */ | |
2853fed6 | 2488 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2489 | { |
2853fed6 | 2490 | struct zebra_ns *zns; |
2491 | struct route_node *rn; | |
2492 | struct interface *tmp_if = NULL; | |
d62a17ae | 2493 | struct zebra_if *zif; |
2494 | struct zebra_l2info_bridge *br; | |
2495 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2496 | uint8_t bridge_vlan_aware; |
2853fed6 | 2497 | int found = 0; |
d62a17ae | 2498 | |
b5ebdc9b | 2499 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2500 | if (!br_if) | |
2501 | return NULL; | |
2502 | ||
d62a17ae | 2503 | /* Determine if bridge is VLAN-aware or not */ |
2504 | zif = br_if->info; | |
2505 | assert(zif); | |
2506 | br = &zif->l2info.br; | |
2507 | bridge_vlan_aware = br->vlan_aware; | |
2508 | ||
2509 | /* Check oper status of the SVI. */ | |
2510 | if (!bridge_vlan_aware) | |
2511 | return if_is_operative(br_if) ? br_if : NULL; | |
2512 | ||
2513 | /* Identify corresponding VLAN interface. */ | |
2514 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2515 | zns = zebra_ns_lookup(NS_DEFAULT); |
2516 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2517 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2518 | /* Check oper status of the SVI. */ |
2853fed6 | 2519 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2520 | continue; |
2521 | zif = tmp_if->info; | |
2522 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2523 | || zif->link != br_if) | |
2524 | continue; | |
2525 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2526 | ||
2853fed6 | 2527 | if (vl->vid == vid) { |
2528 | found = 1; | |
d62a17ae | 2529 | break; |
2853fed6 | 2530 | } |
d62a17ae | 2531 | } |
2532 | ||
2853fed6 | 2533 | return found ? tmp_if : NULL; |
2232a77c | 2534 | } |
2535 | ||
2536 | /* | |
2537 | * Install remote MAC into the kernel. | |
2538 | */ | |
d62a17ae | 2539 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2540 | { |
d62a17ae | 2541 | struct zebra_if *zif; |
2542 | struct zebra_l2info_vxlan *vxl; | |
d7c0a89a | 2543 | uint8_t sticky; |
2232a77c | 2544 | |
d62a17ae | 2545 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2546 | return 0; | |
2232a77c | 2547 | |
d62a17ae | 2548 | zif = zvni->vxlan_if->info; |
2549 | if (!zif) | |
2550 | return -1; | |
2551 | vxl = &zif->l2info.vxl; | |
2232a77c | 2552 | |
51f4dab4 AK |
2553 | sticky = CHECK_FLAG(mac->flags, |
2554 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)) ? 1 : 0; | |
c85c03c7 | 2555 | |
d62a17ae | 2556 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2557 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2558 | } |
2559 | ||
2560 | /* | |
2561 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2562 | * moves to remote, we have to uninstall any existing local entry first. | |
2563 | */ | |
d62a17ae | 2564 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2565 | { |
d62a17ae | 2566 | struct zebra_if *zif; |
2567 | struct zebra_l2info_vxlan *vxl; | |
2568 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2569 | struct zebra_ns *zns; | |
2570 | struct interface *ifp; | |
2232a77c | 2571 | |
d62a17ae | 2572 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2573 | return 0; | |
2232a77c | 2574 | |
d62a17ae | 2575 | if (!zvni->vxlan_if) { |
43e52561 QY |
2576 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
2577 | zvni->vni, zvni); | |
d62a17ae | 2578 | return -1; |
2579 | } | |
2232a77c | 2580 | |
d62a17ae | 2581 | zif = zvni->vxlan_if->info; |
2582 | if (!zif) | |
2583 | return -1; | |
2584 | vxl = &zif->l2info.vxl; | |
2232a77c | 2585 | |
d62a17ae | 2586 | if (local) { |
2587 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2588 | ifp = if_lookup_by_index_per_ns(zns, | |
2589 | mac->fwd_info.local.ifindex); | |
2590 | if (!ifp) // unexpected | |
2591 | return -1; | |
2592 | } else { | |
2593 | ifp = zvni->vxlan_if; | |
2594 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2595 | } | |
2232a77c | 2596 | |
d62a17ae | 2597 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2598 | local); | |
2232a77c | 2599 | } |
2600 | ||
2601 | /* | |
2602 | * Install MAC hash entry - called upon access VLAN change. | |
2603 | */ | |
d62a17ae | 2604 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2605 | { |
d62a17ae | 2606 | zebra_mac_t *mac; |
2607 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2608 | |
d62a17ae | 2609 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2610 | |
d62a17ae | 2611 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2612 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2613 | } |
2614 | ||
2615 | /* | |
2616 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2617 | * appropriate. | |
2618 | */ | |
d62a17ae | 2619 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2620 | int uninstall) | |
2232a77c | 2621 | { |
60466a63 QY |
2622 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2623 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2624 | return; |
2232a77c | 2625 | |
d62a17ae | 2626 | if (uninstall) |
2627 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2628 | |
d62a17ae | 2629 | zvni_mac_del(zvni, mac); |
2232a77c | 2630 | } |
2631 | ||
2632 | /* | |
2633 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2634 | */ | |
996c9314 | 2635 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2636 | { |
2853fed6 | 2637 | struct zebra_ns *zns; |
d62a17ae | 2638 | struct zebra_if *zif; |
2639 | struct interface *vlan_if; | |
2640 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2641 | struct interface *vrr_if; |
2232a77c | 2642 | |
d62a17ae | 2643 | zif = ifp->info; |
2644 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2645 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2646 | |
d62a17ae | 2647 | if (IS_ZEBRA_DEBUG_VXLAN) |
2648 | zlog_debug( | |
2853fed6 | 2649 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2650 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2651 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2652 | |
2853fed6 | 2653 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2654 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2655 | if (vlan_if) { |
2656 | ||
ead40654 MK |
2657 | /* Add SVI MAC-IP */ |
2658 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2659 | |
ead40654 MK |
2660 | /* Add VRR MAC-IP - if any*/ |
2661 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2662 | if (vrr_if) | |
2663 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2664 | |
2853fed6 | 2665 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2666 | } |
2232a77c | 2667 | } |
2668 | ||
2669 | /* | |
2670 | * Hash function for VNI. | |
2671 | */ | |
d62a17ae | 2672 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2673 | { |
d62a17ae | 2674 | const zebra_vni_t *zvni = p; |
2232a77c | 2675 | |
d62a17ae | 2676 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2677 | } |
2678 | ||
2679 | /* | |
2680 | * Compare 2 VNI hash entries. | |
2681 | */ | |
d62a17ae | 2682 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2683 | { |
d62a17ae | 2684 | const zebra_vni_t *zvni1 = p1; |
2685 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2686 | |
d62a17ae | 2687 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2688 | } |
2689 | ||
2690 | /* | |
2691 | * Callback to allocate VNI hash entry. | |
2692 | */ | |
d62a17ae | 2693 | static void *zvni_alloc(void *p) |
2232a77c | 2694 | { |
d62a17ae | 2695 | const zebra_vni_t *tmp_vni = p; |
2696 | zebra_vni_t *zvni; | |
2232a77c | 2697 | |
d62a17ae | 2698 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2699 | zvni->vni = tmp_vni->vni; | |
2700 | return ((void *)zvni); | |
2232a77c | 2701 | } |
2702 | ||
2703 | /* | |
2704 | * Look up VNI hash entry. | |
2705 | */ | |
2853fed6 | 2706 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2707 | { |
2853fed6 | 2708 | struct zebra_vrf *zvrf; |
d62a17ae | 2709 | zebra_vni_t tmp_vni; |
2710 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2711 | |
2853fed6 | 2712 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2713 | assert(zvrf); | |
d62a17ae | 2714 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2715 | tmp_vni.vni = vni; | |
2716 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2717 | |
d62a17ae | 2718 | return zvni; |
2232a77c | 2719 | } |
2720 | ||
2721 | /* | |
2722 | * Add VNI hash entry. | |
2723 | */ | |
2853fed6 | 2724 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2725 | { |
2853fed6 | 2726 | struct zebra_vrf *zvrf; |
d62a17ae | 2727 | zebra_vni_t tmp_zvni; |
2728 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2729 | |
2853fed6 | 2730 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2731 | assert(zvrf); | |
d62a17ae | 2732 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2733 | tmp_zvni.vni = vni; | |
2734 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2735 | assert(zvni); | |
2232a77c | 2736 | |
d62a17ae | 2737 | /* Create hash table for MAC */ |
2738 | zvni->mac_table = | |
2739 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2740 | |
d62a17ae | 2741 | /* Create hash table for neighbors */ |
2742 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2743 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2744 | |
d62a17ae | 2745 | return zvni; |
2232a77c | 2746 | } |
2747 | ||
2748 | /* | |
2749 | * Delete VNI hash entry. | |
2750 | */ | |
2853fed6 | 2751 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2752 | { |
2853fed6 | 2753 | struct zebra_vrf *zvrf; |
d62a17ae | 2754 | zebra_vni_t *tmp_zvni; |
2232a77c | 2755 | |
2853fed6 | 2756 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2757 | assert(zvrf); | |
2758 | ||
d62a17ae | 2759 | zvni->vxlan_if = NULL; |
2232a77c | 2760 | |
d62a17ae | 2761 | /* Free the neighbor hash table. */ |
2762 | hash_free(zvni->neigh_table); | |
2763 | zvni->neigh_table = NULL; | |
2232a77c | 2764 | |
d62a17ae | 2765 | /* Free the MAC hash table. */ |
2766 | hash_free(zvni->mac_table); | |
2767 | zvni->mac_table = NULL; | |
2232a77c | 2768 | |
d62a17ae | 2769 | /* Free the VNI hash entry and allocated memory. */ |
2770 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2771 | if (tmp_zvni) | |
2772 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2773 | |
d62a17ae | 2774 | return 0; |
2232a77c | 2775 | } |
2776 | ||
2777 | /* | |
2778 | * Inform BGP about local VNI addition. | |
2779 | */ | |
2853fed6 | 2780 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2781 | { |
d62a17ae | 2782 | struct zserv *client; |
2783 | struct stream *s; | |
2232a77c | 2784 | |
21ccc0cf | 2785 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2786 | /* BGP may not be running. */ |
2787 | if (!client) | |
2788 | return 0; | |
2232a77c | 2789 | |
1002497a | 2790 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2791 | |
7cf15b25 | 2792 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2793 | stream_putl(s, zvni->vni); |
2794 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2795 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2796 | |
d62a17ae | 2797 | /* Write packet size. */ |
2798 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2799 | |
d62a17ae | 2800 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2801 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2802 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2803 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2804 | zebra_route_string(client->proto)); |
2232a77c | 2805 | |
d62a17ae | 2806 | client->vniadd_cnt++; |
21ccc0cf | 2807 | return zserv_send_message(client, s); |
2232a77c | 2808 | } |
2809 | ||
2810 | /* | |
2811 | * Inform BGP about local VNI deletion. | |
2812 | */ | |
2853fed6 | 2813 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2814 | { |
d62a17ae | 2815 | struct zserv *client; |
2816 | struct stream *s; | |
2232a77c | 2817 | |
21ccc0cf | 2818 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2819 | /* BGP may not be running. */ |
2820 | if (!client) | |
2821 | return 0; | |
2232a77c | 2822 | |
1002497a | 2823 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2824 | stream_reset(s); |
2232a77c | 2825 | |
7cf15b25 | 2826 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2827 | stream_putl(s, vni); |
2232a77c | 2828 | |
d62a17ae | 2829 | /* Write packet size. */ |
2830 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2831 | |
d62a17ae | 2832 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2833 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2834 | zebra_route_string(client->proto)); |
2232a77c | 2835 | |
d62a17ae | 2836 | client->vnidel_cnt++; |
21ccc0cf | 2837 | return zserv_send_message(client, s); |
2232a77c | 2838 | } |
2839 | ||
2840 | /* | |
2841 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2842 | * is called when EVPN (advertise-all-vni) is enabled. | |
2843 | */ | |
2853fed6 | 2844 | static void zvni_build_hash_table() |
2232a77c | 2845 | { |
2853fed6 | 2846 | struct zebra_ns *zns; |
2847 | struct route_node *rn; | |
d62a17ae | 2848 | struct interface *ifp; |
2232a77c | 2849 | |
d62a17ae | 2850 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2851 | zns = zebra_ns_lookup(NS_DEFAULT); |
2852 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2853 | vni_t vni; |
643215ce | 2854 | zebra_vni_t *zvni = NULL; |
2855 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2856 | struct zebra_if *zif; |
2857 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2858 | |
2853fed6 | 2859 | ifp = (struct interface *)rn->info; |
2860 | if (!ifp) | |
2861 | continue; | |
d62a17ae | 2862 | zif = ifp->info; |
2863 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2864 | continue; | |
2232a77c | 2865 | |
b7cfce93 | 2866 | vxl = &zif->l2info.vxl; |
d62a17ae | 2867 | vni = vxl->vni; |
2232a77c | 2868 | |
643215ce | 2869 | /* L3-VNI and L2-VNI are handled seperately */ |
2870 | zl3vni = zl3vni_lookup(vni); | |
2871 | if (zl3vni) { | |
2232a77c | 2872 | |
b7cfce93 | 2873 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2874 | zlog_debug( |
2875 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2876 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2877 | |
b7cfce93 | 2878 | /* associate with vxlan_if */ |
b67a60d2 | 2879 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2880 | zl3vni->vxlan_if = ifp; |
2232a77c | 2881 | |
523cafc4 | 2882 | /* |
2883 | * we need to associate with SVI. | |
b7cfce93 | 2884 | * we can associate with svi-if only after association |
523cafc4 | 2885 | * with vxlan-intf is complete |
2886 | */ | |
b7cfce93 MK |
2887 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2888 | ||
2889 | if (is_l3vni_oper_up(zl3vni)) | |
2890 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2891 | ||
2892 | } else { | |
b7cfce93 MK |
2893 | struct interface *vlan_if = NULL; |
2894 | ||
2895 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2896 | zlog_debug( | |
2897 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2898 | ifp->name, ifp->ifindex, vni, | |
2899 | inet_ntoa(vxl->vtep_ip)); | |
2900 | ||
2901 | /* VNI hash entry is not expected to exist. */ | |
2902 | zvni = zvni_lookup(vni); | |
2903 | if (zvni) { | |
43e52561 | 2904 | zlog_warn( |
b7cfce93 MK |
2905 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2906 | ifp->name, ifp->ifindex, vni); | |
2907 | continue; | |
2908 | } | |
2909 | ||
2910 | zvni = zvni_add(vni); | |
2911 | if (!zvni) { | |
43e52561 | 2912 | zlog_warn( |
b7cfce93 MK |
2913 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
2914 | ifp->name, ifp->ifindex, vni); | |
2915 | return; | |
2916 | } | |
2917 | ||
2918 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2919 | zvni->vxlan_if = ifp; | |
2920 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2921 | zif->brslave_info.br_if); | |
2922 | if (vlan_if) { | |
2923 | zvni->vrf_id = vlan_if->vrf_id; | |
2924 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2925 | if (zl3vni) | |
2926 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2927 | } | |
2928 | ||
2929 | ||
2930 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2931 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2932 | zvni_send_add_to_client(zvni); | |
2933 | } | |
d62a17ae | 2934 | } |
2232a77c | 2935 | } |
2936 | ||
2937 | /* | |
2938 | * See if remote VTEP matches with prefix. | |
2939 | */ | |
d62a17ae | 2940 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2941 | { |
d62a17ae | 2942 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2943 | } |
2944 | ||
2945 | /* | |
2946 | * Locate remote VTEP in VNI hash table. | |
2947 | */ | |
d62a17ae | 2948 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2949 | { |
d62a17ae | 2950 | zebra_vtep_t *zvtep; |
2232a77c | 2951 | |
d62a17ae | 2952 | if (!zvni) |
2953 | return NULL; | |
2232a77c | 2954 | |
d62a17ae | 2955 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
2956 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
2957 | break; | |
2958 | } | |
2232a77c | 2959 | |
d62a17ae | 2960 | return zvtep; |
2232a77c | 2961 | } |
2962 | ||
2963 | /* | |
2964 | * Add remote VTEP to VNI hash table. | |
2965 | */ | |
d62a17ae | 2966 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2967 | { |
d62a17ae | 2968 | zebra_vtep_t *zvtep; |
2232a77c | 2969 | |
d62a17ae | 2970 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 2971 | |
d62a17ae | 2972 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 2973 | |
d62a17ae | 2974 | if (zvni->vteps) |
2975 | zvni->vteps->prev = zvtep; | |
2976 | zvtep->next = zvni->vteps; | |
2977 | zvni->vteps = zvtep; | |
2232a77c | 2978 | |
d62a17ae | 2979 | return zvtep; |
2232a77c | 2980 | } |
2981 | ||
2982 | /* | |
2983 | * Remove remote VTEP from VNI hash table. | |
2984 | */ | |
d62a17ae | 2985 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 2986 | { |
d62a17ae | 2987 | if (zvtep->next) |
2988 | zvtep->next->prev = zvtep->prev; | |
2989 | if (zvtep->prev) | |
2990 | zvtep->prev->next = zvtep->next; | |
2991 | else | |
2992 | zvni->vteps = zvtep->next; | |
2232a77c | 2993 | |
d62a17ae | 2994 | zvtep->prev = zvtep->next = NULL; |
2995 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 2996 | |
d62a17ae | 2997 | return 0; |
2232a77c | 2998 | } |
2999 | ||
3000 | /* | |
3001 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3002 | * uninstall from kernel if asked to. | |
3003 | */ | |
d62a17ae | 3004 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3005 | { |
d62a17ae | 3006 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3007 | |
d62a17ae | 3008 | if (!zvni) |
3009 | return -1; | |
2232a77c | 3010 | |
d62a17ae | 3011 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3012 | zvtep_next = zvtep->next; | |
3013 | if (uninstall) | |
3014 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3015 | zvni_vtep_del(zvni, zvtep); | |
3016 | } | |
2232a77c | 3017 | |
d62a17ae | 3018 | return 0; |
2232a77c | 3019 | } |
3020 | ||
3021 | /* | |
3022 | * Install remote VTEP into the kernel. | |
3023 | */ | |
d62a17ae | 3024 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3025 | { |
d62a17ae | 3026 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3027 | } |
3028 | ||
3029 | /* | |
3030 | * Uninstall remote VTEP from the kernel. | |
3031 | */ | |
d62a17ae | 3032 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3033 | { |
d62a17ae | 3034 | if (!zvni->vxlan_if) { |
43e52561 QY |
3035 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
3036 | zvni->vni, zvni); | |
d62a17ae | 3037 | return -1; |
3038 | } | |
2232a77c | 3039 | |
d62a17ae | 3040 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3041 | } |
3042 | ||
3043 | /* | |
3044 | * Cleanup VNI/VTEP and update kernel | |
3045 | */ | |
84915b0a | 3046 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3047 | { |
b7cfce93 MK |
3048 | zebra_vni_t *zvni = NULL; |
3049 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3050 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3051 | |
d62a17ae | 3052 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3053 | |
b7cfce93 | 3054 | /* remove from l3-vni list */ |
84915b0a | 3055 | if (zvrf->l3vni) |
3056 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3057 | if (zl3vni) |
3058 | listnode_delete(zl3vni->l2vnis, zvni); | |
3059 | ||
d62a17ae | 3060 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3061 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3062 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3063 | |
d62a17ae | 3064 | /* Free up all remote VTEPs, if any. */ |
3065 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3066 | |
d62a17ae | 3067 | /* Delete the hash entry. */ |
2853fed6 | 3068 | zvni_del(zvni); |
2232a77c | 3069 | } |
3070 | ||
655b04d1 | 3071 | /* cleanup L3VNI */ |
996c9314 | 3072 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3073 | { |
3074 | zebra_l3vni_t *zl3vni = NULL; | |
3075 | ||
3076 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3077 | |
3078 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3079 | } | |
3080 | ||
85442b09 | 3081 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3082 | struct prefix *host) |
5e1b0650 DS |
3083 | { |
3084 | struct host_rb_entry lookup; | |
3085 | struct host_rb_entry *hle; | |
3086 | ||
3087 | memset(&lookup, 0, sizeof(lookup)); | |
3088 | memcpy(&lookup.p, host, sizeof(*host)); | |
3089 | ||
85442b09 | 3090 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3091 | if (hle) |
3092 | return; | |
3093 | ||
3094 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3095 | memcpy(hle, &lookup, sizeof(lookup)); | |
3096 | ||
85442b09 | 3097 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3098 | } |
3099 | ||
85442b09 | 3100 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3101 | { |
3102 | struct host_rb_entry lookup; | |
3103 | struct host_rb_entry *hle; | |
3104 | ||
3105 | memset(&lookup, 0, sizeof(lookup)); | |
3106 | memcpy(&lookup.p, host, sizeof(*host)); | |
3107 | ||
85442b09 | 3108 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3109 | if (hle) { |
85442b09 | 3110 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3111 | XFREE(MTYPE_HOST_PREFIX, hle); |
3112 | } | |
5e1b0650 DS |
3113 | |
3114 | return; | |
3115 | } | |
3116 | ||
b7cfce93 MK |
3117 | /* |
3118 | * Look up MAC hash entry. | |
3119 | */ | |
2dbad57f | 3120 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3121 | struct ethaddr *rmac) |
3122 | { | |
3123 | zebra_mac_t tmp; | |
3124 | zebra_mac_t *pmac; | |
3125 | ||
3126 | memset(&tmp, 0, sizeof(tmp)); | |
3127 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3128 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3129 | |
b7cfce93 | 3130 | return pmac; |
2dbad57f | 3131 | } |
2232a77c | 3132 | |
cec2e17d | 3133 | /* |
b7cfce93 | 3134 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3135 | */ |
2dbad57f | 3136 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3137 | { |
b7cfce93 MK |
3138 | const zebra_mac_t *tmp_rmac = p; |
3139 | zebra_mac_t *zrmac; | |
d62a17ae | 3140 | |
b7cfce93 MK |
3141 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3142 | *zrmac = *tmp_rmac; | |
d62a17ae | 3143 | |
b7cfce93 | 3144 | return ((void *)zrmac); |
2dbad57f | 3145 | } |
cd233079 | 3146 | |
b7cfce93 MK |
3147 | /* |
3148 | * Add RMAC entry to l3-vni | |
3149 | */ | |
996c9314 | 3150 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3151 | { |
3152 | zebra_mac_t tmp_rmac; | |
3153 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3154 | |
b7cfce93 MK |
3155 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3156 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3157 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3158 | assert(zrmac); | |
d62a17ae | 3159 | |
85442b09 | 3160 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3161 | |
2dbad57f | 3162 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3163 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3164 | ||
b7cfce93 | 3165 | return zrmac; |
2dbad57f | 3166 | } |
cec2e17d | 3167 | |
3168 | /* | |
b7cfce93 | 3169 | * Delete MAC entry. |
cec2e17d | 3170 | */ |
996c9314 | 3171 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3172 | { |
b7cfce93 | 3173 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3174 | struct host_rb_entry *hle; |
cd233079 | 3175 | |
85442b09 DS |
3176 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3177 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3178 | |
85442b09 | 3179 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3180 | XFREE(MTYPE_HOST_PREFIX, hle); |
3181 | } | |
cd233079 | 3182 | |
b7cfce93 MK |
3183 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3184 | if (tmp_rmac) | |
3185 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3186 | |
b7cfce93 | 3187 | return 0; |
2dbad57f | 3188 | } |
cec2e17d | 3189 | |
3190 | /* | |
b7cfce93 | 3191 | * Install remote RMAC into the kernel. |
cec2e17d | 3192 | */ |
996c9314 | 3193 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3194 | { |
b7cfce93 MK |
3195 | struct zebra_if *zif = NULL; |
3196 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3197 | |
996c9314 LB |
3198 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3199 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3200 | return 0; |
3201 | ||
3202 | zif = zl3vni->vxlan_if->info; | |
3203 | if (!zif) | |
3204 | return -1; | |
3205 | ||
3206 | vxl = &zif->l2info.vxl; | |
3207 | ||
3208 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3209 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3210 | } |
b7cfce93 MK |
3211 | |
3212 | /* | |
3213 | * Uninstall remote RMAC from the kernel. | |
3214 | */ | |
996c9314 | 3215 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3216 | { |
3217 | char buf[ETHER_ADDR_STRLEN]; | |
3218 | struct zebra_if *zif = NULL; | |
3219 | struct zebra_l2info_vxlan *vxl = NULL; | |
3220 | ||
996c9314 LB |
3221 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3222 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3223 | return 0; |
3224 | ||
3225 | if (!zl3vni->vxlan_if) { | |
43e52561 | 3226 | zlog_warn( |
996c9314 LB |
3227 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3228 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3229 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3230 | return -1; |
3231 | } | |
3232 | ||
3233 | zif = zl3vni->vxlan_if->info; | |
3234 | if (!zif) | |
3235 | return -1; | |
3236 | ||
3237 | vxl = &zif->l2info.vxl; | |
3238 | ||
3239 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3240 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3241 | } |
3242 | ||
3243 | /* handle rmac add */ | |
996c9314 | 3244 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3245 | struct ipaddr *vtep_ip, |
3246 | struct prefix *host_prefix) | |
2dbad57f | 3247 | { |
3248 | char buf[ETHER_ADDR_STRLEN]; | |
3249 | char buf1[INET6_ADDRSTRLEN]; | |
3250 | zebra_mac_t *zrmac = NULL; | |
3251 | ||
3252 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3253 | if (!zrmac) { | |
3254 | ||
3255 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3256 | if (!zrmac) { | |
3257 | zlog_warn( | |
3258 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
996c9314 LB |
3259 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3260 | zl3vni->vni, | |
3261 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3262 | return -1; |
3263 | } | |
3264 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3265 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3266 | ||
3267 | /* install rmac in kernel */ | |
3268 | zl3vni_rmac_install(zl3vni, zrmac); | |
3269 | } | |
6134fd82 | 3270 | |
41db76c2 | 3271 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3272 | |
2dbad57f | 3273 | return 0; |
3274 | } | |
3275 | ||
3276 | ||
3277 | /* handle rmac delete */ | |
22e63104 | 3278 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3279 | struct prefix *host_prefix) |
2dbad57f | 3280 | { |
41db76c2 | 3281 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3282 | |
85442b09 | 3283 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3284 | /* uninstall from kernel */ |
3285 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3286 | ||
3287 | /* del the rmac entry */ | |
3288 | zl3vni_rmac_del(zl3vni, zrmac); | |
3289 | } | |
2dbad57f | 3290 | } |
b7cfce93 MK |
3291 | |
3292 | /* | |
3293 | * Look up nh hash entry on a l3-vni. | |
3294 | */ | |
996c9314 | 3295 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3296 | { |
3297 | zebra_neigh_t tmp; | |
3298 | zebra_neigh_t *n; | |
3299 | ||
3300 | memset(&tmp, 0, sizeof(tmp)); | |
3301 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3302 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3303 | ||
3304 | return n; | |
2dbad57f | 3305 | } |
b7cfce93 MK |
3306 | |
3307 | ||
3308 | /* | |
3309 | * Callback to allocate NH hash entry on L3-VNI. | |
3310 | */ | |
2dbad57f | 3311 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3312 | { |
3313 | const zebra_neigh_t *tmp_n = p; | |
3314 | zebra_neigh_t *n; | |
3315 | ||
3316 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3317 | *n = *tmp_n; | |
3318 | ||
3319 | return ((void *)n); | |
2dbad57f | 3320 | } |
b7cfce93 MK |
3321 | |
3322 | /* | |
3323 | * Add neighbor entry. | |
3324 | */ | |
996c9314 | 3325 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3326 | struct ethaddr *mac) |
3327 | { | |
3328 | zebra_neigh_t tmp_n; | |
3329 | zebra_neigh_t *n = NULL; | |
3330 | ||
3331 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3332 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3333 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3334 | assert(n); | |
3335 | ||
85442b09 | 3336 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3337 | |
b7cfce93 | 3338 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3339 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3340 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3341 | |
3342 | return n; | |
2dbad57f | 3343 | } |
b7cfce93 MK |
3344 | |
3345 | /* | |
3346 | * Delete neighbor entry. | |
3347 | */ | |
996c9314 | 3348 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3349 | { |
3350 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3351 | struct host_rb_entry *hle; |
b7cfce93 | 3352 | |
85442b09 DS |
3353 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3354 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3355 | |
85442b09 | 3356 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3357 | XFREE(MTYPE_HOST_PREFIX, hle); |
3358 | } | |
55aabf6f | 3359 | |
b7cfce93 MK |
3360 | tmp_n = hash_release(zl3vni->nh_table, n); |
3361 | if (tmp_n) | |
3362 | XFREE(MTYPE_NEIGH, tmp_n); | |
3363 | ||
3364 | return 0; | |
2dbad57f | 3365 | } |
b7cfce93 MK |
3366 | |
3367 | /* | |
3368 | * Install remote nh as neigh into the kernel. | |
3369 | */ | |
996c9314 | 3370 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3371 | { |
68e33151 CS |
3372 | uint8_t flags; |
3373 | int ret = 0; | |
3374 | ||
b7cfce93 MK |
3375 | if (!is_l3vni_oper_up(zl3vni)) |
3376 | return -1; | |
3377 | ||
996c9314 LB |
3378 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3379 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3380 | return 0; |
68e33151 CS |
3381 | #ifdef GNU_LINUX |
3382 | flags = NTF_EXT_LEARNED; | |
3383 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3384 | flags |= NTF_ROUTER; | |
3385 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3386 | #endif | |
3387 | return ret; | |
2dbad57f | 3388 | } |
b7cfce93 MK |
3389 | |
3390 | /* | |
3391 | * Uninstall remote nh from the kernel. | |
3392 | */ | |
996c9314 | 3393 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3394 | { |
996c9314 LB |
3395 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3396 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3397 | return 0; |
3398 | ||
fa409e1e | 3399 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3400 | return 0; | |
3401 | ||
b7cfce93 | 3402 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3403 | } |
3404 | ||
3405 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3406 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3407 | struct ethaddr *rmac, |
3408 | struct prefix *host_prefix) | |
2dbad57f | 3409 | { |
3410 | char buf[ETHER_ADDR_STRLEN]; | |
3411 | char buf1[INET6_ADDRSTRLEN]; | |
3412 | zebra_neigh_t *nh = NULL; | |
3413 | ||
3414 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3415 | if (!nh) { | |
3416 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3417 | if (!nh) { | |
3418 | ||
3419 | zlog_warn( | |
3420 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
996c9314 LB |
3421 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3422 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3423 | zl3vni->vni); |
3424 | return -1; | |
3425 | } | |
3426 | ||
3427 | /* install the nh neigh in kernel */ | |
3428 | zl3vni_nh_install(zl3vni, nh); | |
3429 | } | |
6134fd82 | 3430 | |
f2a503f0 | 3431 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3432 | |
2dbad57f | 3433 | return 0; |
3434 | } | |
3435 | ||
3436 | /* handle nh neigh delete */ | |
22e63104 | 3437 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3438 | struct prefix *host_prefix) | |
2dbad57f | 3439 | { |
f2a503f0 | 3440 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3441 | |
85442b09 | 3442 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3443 | /* uninstall from kernel */ |
3444 | zl3vni_nh_uninstall(zl3vni, nh); | |
3445 | ||
3446 | /* delete the nh entry */ | |
3447 | zl3vni_nh_del(zl3vni, nh); | |
3448 | } | |
2dbad57f | 3449 | } |
b7cfce93 | 3450 | |
3bcbba10 | 3451 | /* handle neigh update from kernel - the only thing of interest is to |
3452 | * readd stale entries. | |
3453 | */ | |
996c9314 | 3454 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3455 | uint16_t state) |
3bcbba10 | 3456 | { |
c05a738b | 3457 | #ifdef GNU_LINUX |
3bcbba10 | 3458 | zebra_neigh_t *n = NULL; |
3459 | ||
3460 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3461 | if (!n) | |
3462 | return 0; | |
3463 | ||
3464 | /* all next hop neigh are remote and installed by frr. | |
3465 | * If the kernel has aged this entry, re-install. | |
3466 | */ | |
3467 | if (state & NUD_STALE) | |
3468 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3469 | #endif |
3bcbba10 | 3470 | return 0; |
3471 | } | |
3472 | ||
8c9b80b9 | 3473 | /* handle neigh delete from kernel */ |
996c9314 | 3474 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3475 | { |
3476 | zebra_neigh_t *n = NULL; | |
3477 | ||
3478 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3479 | if (!n) | |
3480 | return 0; | |
3481 | ||
3482 | /* all next hop neigh are remote and installed by frr. | |
3483 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3484 | * install it back |
3485 | */ | |
8c9b80b9 MK |
3486 | zl3vni_nh_install(zl3vni, n); |
3487 | ||
3488 | return 0; | |
3489 | } | |
3490 | ||
b7cfce93 MK |
3491 | /* |
3492 | * Hash function for L3 VNI. | |
3493 | */ | |
3494 | static unsigned int l3vni_hash_keymake(void *p) | |
3495 | { | |
3496 | const zebra_l3vni_t *zl3vni = p; | |
3497 | ||
3498 | return jhash_1word(zl3vni->vni, 0); | |
3499 | } | |
3500 | ||
3501 | /* | |
3502 | * Compare 2 L3 VNI hash entries. | |
3503 | */ | |
3504 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3505 | { | |
3506 | const zebra_l3vni_t *zl3vni1 = p1; | |
3507 | const zebra_l3vni_t *zl3vni2 = p2; | |
3508 | ||
3509 | return (zl3vni1->vni == zl3vni2->vni); | |
3510 | } | |
3511 | ||
3512 | /* | |
3513 | * Callback to allocate L3 VNI hash entry. | |
3514 | */ | |
3515 | static void *zl3vni_alloc(void *p) | |
3516 | { | |
3517 | zebra_l3vni_t *zl3vni = NULL; | |
3518 | const zebra_l3vni_t *tmp_l3vni = p; | |
3519 | ||
3520 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3521 | zl3vni->vni = tmp_l3vni->vni; | |
3522 | return ((void *)zl3vni); | |
3523 | } | |
3524 | ||
3525 | /* | |
3526 | * Look up L3 VNI hash entry. | |
3527 | */ | |
3528 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3529 | { | |
3530 | struct zebra_ns *zns; | |
3531 | zebra_l3vni_t tmp_l3vni; | |
3532 | zebra_l3vni_t *zl3vni = NULL; | |
3533 | ||
3534 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3535 | assert(zns); | |
3536 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3537 | tmp_l3vni.vni = vni; | |
3538 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3539 | ||
3540 | return zl3vni; | |
3541 | } | |
3542 | ||
3543 | /* | |
3544 | * Add L3 VNI hash entry. | |
3545 | */ | |
3546 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3547 | { | |
3548 | zebra_l3vni_t tmp_zl3vni; | |
3549 | struct zebra_ns *zns = NULL; | |
3550 | zebra_l3vni_t *zl3vni = NULL; | |
3551 | ||
3552 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3553 | assert(zns); | |
3554 | ||
3555 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3556 | tmp_zl3vni.vni = vni; | |
3557 | ||
3558 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3559 | assert(zl3vni); | |
3560 | ||
3561 | zl3vni->vrf_id = vrf_id; | |
3562 | zl3vni->svi_if = NULL; | |
3563 | zl3vni->vxlan_if = NULL; | |
3564 | zl3vni->l2vnis = list_new(); | |
3565 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3566 | ||
3567 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3568 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3569 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3570 | |
3571 | /* Create hash table for neighbors */ | |
3572 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3573 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3574 | |
3575 | return zl3vni; | |
3576 | } | |
3577 | ||
3578 | /* | |
3579 | * Delete L3 VNI hash entry. | |
3580 | */ | |
3581 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3582 | { | |
3583 | struct zebra_ns *zns; | |
3584 | zebra_l3vni_t *tmp_zl3vni; | |
3585 | ||
3586 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3587 | assert(zns); | |
3588 | ||
3589 | /* free the list of l2vnis */ | |
3590 | list_delete_and_null(&zl3vni->l2vnis); | |
3591 | zl3vni->l2vnis = NULL; | |
3592 | ||
3593 | /* Free the rmac table */ | |
3594 | hash_free(zl3vni->rmac_table); | |
3595 | zl3vni->rmac_table = NULL; | |
3596 | ||
3597 | /* Free the nh table */ | |
3598 | hash_free(zl3vni->nh_table); | |
3599 | zl3vni->nh_table = NULL; | |
3600 | ||
3601 | /* Free the VNI hash entry and allocated memory. */ | |
3602 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3603 | if (tmp_zl3vni) | |
3604 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3605 | ||
3606 | return 0; | |
3607 | } | |
3608 | ||
b7cfce93 MK |
3609 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3610 | { | |
3611 | struct zebra_ns *zns = NULL; | |
3612 | struct route_node *rn = NULL; | |
3613 | struct interface *ifp = NULL; | |
3614 | ||
3615 | /* loop through all vxlan-interface */ | |
3616 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3617 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3618 | ||
3619 | struct zebra_if *zif = NULL; | |
3620 | struct zebra_l2info_vxlan *vxl = NULL; | |
3621 | ||
3622 | ifp = (struct interface *)rn->info; | |
3623 | if (!ifp) | |
3624 | continue; | |
3625 | ||
3626 | zif = ifp->info; | |
3627 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3628 | continue; | |
3629 | ||
3630 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3631 | if (vxl->vni == zl3vni->vni) { |
3632 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3633 | return ifp; |
b67a60d2 | 3634 | } |
b7cfce93 MK |
3635 | } |
3636 | ||
3637 | return NULL; | |
3638 | } | |
3639 | ||
3640 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3641 | { | |
996c9314 | 3642 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3643 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3644 | ||
2aeb403d | 3645 | if (!zl3vni) |
3646 | return NULL; | |
3647 | ||
b7cfce93 MK |
3648 | if (!zl3vni->vxlan_if) |
3649 | return NULL; | |
3650 | ||
3651 | zif = zl3vni->vxlan_if->info; | |
3652 | if (!zif) | |
3653 | return NULL; | |
3654 | ||
3655 | vxl = &zif->l2info.vxl; | |
3656 | ||
3657 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3658 | } | |
3659 | ||
3660 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3661 | { | |
3662 | struct zebra_vrf *zvrf = NULL; | |
3663 | ||
3664 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3665 | if (!zvrf) | |
3666 | return NULL; | |
3667 | ||
3668 | return zl3vni_lookup(zvrf->l3vni); | |
3669 | } | |
3670 | ||
3671 | /* | |
3672 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3673 | * neighbor notifications, to see if they are of interest. | |
3674 | */ | |
3675 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3676 | struct interface *br_if) | |
3677 | { | |
3678 | int found = 0; | |
3679 | vlanid_t vid = 0; | |
d7c0a89a | 3680 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3681 | zebra_l3vni_t *zl3vni = NULL; |
3682 | struct zebra_ns *zns = NULL; | |
3683 | struct route_node *rn = NULL; | |
3684 | struct zebra_if *zif = NULL; | |
3685 | struct interface *tmp_if = NULL; | |
3686 | struct zebra_l2info_bridge *br = NULL; | |
3687 | struct zebra_l2info_vxlan *vxl = NULL; | |
3688 | ||
3689 | if (!br_if) | |
3690 | return NULL; | |
3691 | ||
3692 | /* Make sure the linked interface is a bridge. */ | |
3693 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3694 | return NULL; | |
3695 | ||
3696 | /* Determine if bridge is VLAN-aware or not */ | |
3697 | zif = br_if->info; | |
3698 | assert(zif); | |
3699 | br = &zif->l2info.br; | |
3700 | bridge_vlan_aware = br->vlan_aware; | |
3701 | if (bridge_vlan_aware) { | |
3702 | struct zebra_l2info_vlan *vl; | |
3703 | ||
3704 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3705 | return NULL; | |
3706 | ||
3707 | zif = ifp->info; | |
3708 | assert(zif); | |
3709 | vl = &zif->l2info.vl; | |
3710 | vid = vl->vid; | |
3711 | } | |
3712 | ||
3713 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3714 | /* TODO: Optimize with a hash. */ | |
3715 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3716 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3717 | tmp_if = (struct interface *)rn->info; | |
3718 | if (!tmp_if) | |
3719 | continue; | |
3720 | zif = tmp_if->info; | |
3721 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3722 | continue; | |
3723 | if (!if_is_operative(tmp_if)) | |
3724 | continue; | |
3725 | vxl = &zif->l2info.vxl; | |
3726 | ||
3727 | if (zif->brslave_info.br_if != br_if) | |
3728 | continue; | |
3729 | ||
3730 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3731 | found = 1; | |
3732 | break; | |
3733 | } | |
3734 | } | |
3735 | ||
3736 | if (!found) | |
3737 | return NULL; | |
3738 | ||
3739 | zl3vni = zl3vni_lookup(vxl->vni); | |
3740 | return zl3vni; | |
3741 | } | |
3742 | ||
3743 | /* | |
3744 | * Inform BGP about l3-vni. | |
3745 | */ | |
3746 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3747 | { | |
3748 | struct stream *s = NULL; | |
3749 | struct zserv *client = NULL; | |
3750 | struct ethaddr rmac; | |
3751 | char buf[ETHER_ADDR_STRLEN]; | |
3752 | ||
21ccc0cf | 3753 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3754 | /* BGP may not be running. */ |
3755 | if (!client) | |
3756 | return 0; | |
3757 | ||
3758 | /* get the rmac */ | |
3759 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3760 | zl3vni_get_rmac(zl3vni, &rmac); | |
3761 | ||
1002497a | 3762 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3763 | |
996c9314 | 3764 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3765 | stream_putl(s, zl3vni->vni); |
3766 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3767 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3768 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3769 | |
3770 | /* Write packet size. */ | |
3771 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3772 | ||
3773 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3774 | zlog_debug( |
996c9314 LB |
3775 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3776 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3777 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3778 | inet_ntoa(zl3vni->local_vtep_ip), | |
3779 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3780 | ? "prefix-routes-only" | |
3781 | : "none", | |
3782 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3783 | |
3784 | client->l3vniadd_cnt++; | |
21ccc0cf | 3785 | return zserv_send_message(client, s); |
b7cfce93 MK |
3786 | } |
3787 | ||
3788 | /* | |
3789 | * Inform BGP about local l3-VNI deletion. | |
3790 | */ | |
3791 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3792 | { | |
3793 | struct stream *s = NULL; | |
3794 | struct zserv *client = NULL; | |
3795 | ||
21ccc0cf | 3796 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3797 | /* BGP may not be running. */ |
3798 | if (!client) | |
3799 | return 0; | |
3800 | ||
1002497a | 3801 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3802 | |
996c9314 | 3803 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3804 | stream_putl(s, zl3vni->vni); |
3805 | ||
3806 | /* Write packet size. */ | |
3807 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3808 | ||
3809 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3810 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3811 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3812 | zebra_route_string(client->proto)); | |
3813 | ||
3814 | client->l3vnidel_cnt++; | |
21ccc0cf | 3815 | return zserv_send_message(client, s); |
b7cfce93 MK |
3816 | } |
3817 | ||
3818 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3819 | { | |
2aeb403d | 3820 | if (!zl3vni) |
3821 | return; | |
3822 | ||
b7cfce93 MK |
3823 | /* send l3vni add to BGP */ |
3824 | zl3vni_send_add_to_client(zl3vni); | |
3825 | } | |
3826 | ||
3827 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3828 | { | |
2aeb403d | 3829 | if (!zl3vni) |
3830 | return; | |
3831 | ||
b7cfce93 MK |
3832 | /* send l3-vni del to BGP*/ |
3833 | zl3vni_send_del_to_client(zl3vni); | |
3834 | } | |
3835 | ||
996c9314 | 3836 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3837 | { |
996c9314 LB |
3838 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3839 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3840 | |
3841 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3842 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3843 | } | |
3844 | ||
b7cfce93 MK |
3845 | /* |
3846 | * handle transition of vni from l2 to l3 and vice versa | |
3847 | */ | |
996c9314 LB |
3848 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3849 | int add) | |
b7cfce93 MK |
3850 | { |
3851 | zebra_vni_t *zvni = NULL; | |
3852 | ||
3853 | /* There is a possibility that VNI notification was already received | |
3854 | * from kernel and we programmed it as L2-VNI | |
3855 | * In such a case we need to delete this L2-VNI first, so | |
3856 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3857 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3858 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3859 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3860 | */ | |
b7cfce93 MK |
3861 | if (add) { |
3862 | /* Locate hash entry */ | |
3863 | zvni = zvni_lookup(vni); | |
3864 | if (!zvni) | |
3865 | return 0; | |
3866 | ||
3867 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3868 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3869 | |
3870 | /* Delete VNI from BGP. */ | |
3871 | zvni_send_del_to_client(zvni->vni); | |
3872 | ||
3873 | /* Free up all neighbors and MAC, if any. */ | |
3874 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3875 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3876 | ||
3877 | /* Free up all remote VTEPs, if any. */ | |
3878 | zvni_vtep_del_all(zvni, 0); | |
3879 | ||
3880 | /* Delete the hash entry. */ | |
3881 | if (zvni_del(zvni)) { | |
af4c2728 | 3882 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
3883 | "Failed to del VNI hash %p, VNI %u", zvni, |
3884 | zvni->vni); | |
b7cfce93 MK |
3885 | return -1; |
3886 | } | |
3887 | } else { | |
3888 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3889 | * enough information at this point to reprogram the vni as | |
3890 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3891 | * used it solely for this purpose |
3892 | */ | |
b7cfce93 MK |
3893 | } |
3894 | ||
3895 | return 0; | |
3896 | } | |
3897 | ||
5e06422c | 3898 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3899 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3900 | { |
3901 | zebra_mac_t *zrmac = NULL; | |
3902 | zebra_l3vni_t *zl3vni = NULL; | |
3903 | ||
3904 | zrmac = (zebra_mac_t *)backet->data; | |
3905 | zl3vni = (zebra_l3vni_t *)ctx; | |
3906 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3907 | zl3vni_rmac_del(zl3vni, zrmac); | |
3908 | } | |
3909 | ||
3910 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3911 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3912 | { |
3913 | zebra_neigh_t *n = NULL; | |
3914 | zebra_l3vni_t *zl3vni = NULL; | |
3915 | ||
3916 | n = (zebra_neigh_t *)backet->data; | |
3917 | zl3vni = (zebra_l3vni_t *)ctx; | |
3918 | zl3vni_nh_uninstall(zl3vni, n); | |
3919 | zl3vni_nh_del(zl3vni, n); | |
3920 | } | |
3921 | ||
996c9314 LB |
3922 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3923 | uint16_t cmd) | |
31310b25 MK |
3924 | { |
3925 | struct zserv *client = NULL; | |
3926 | struct stream *s = NULL; | |
3927 | char buf[PREFIX_STRLEN]; | |
3928 | ||
21ccc0cf | 3929 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3930 | /* BGP may not be running. */ |
3931 | if (!client) | |
3932 | return 0; | |
3933 | ||
1002497a | 3934 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 3935 | |
22bd3e94 | 3936 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3937 | stream_put(s, p, sizeof(struct prefix)); |
3938 | ||
3939 | /* Write packet size. */ | |
3940 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3941 | ||
3942 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3943 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
3944 | prefix2str(p, buf, sizeof(buf)), |
3945 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
3946 | vrf_id_to_name(vrf_id)); | |
3947 | ||
3948 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
3949 | client->prefixadd_cnt++; | |
3950 | else | |
3951 | client->prefixdel_cnt++; | |
3952 | ||
21ccc0cf | 3953 | return zserv_send_message(client, s); |
31310b25 MK |
3954 | } |
3955 | ||
a9a76262 MK |
3956 | /* re-add remote rmac if needed */ |
3957 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 3958 | struct ethaddr *rmac) |
a9a76262 MK |
3959 | { |
3960 | char buf[ETHER_ADDR_STRLEN]; | |
3961 | zebra_mac_t *zrmac = NULL; | |
3962 | ||
3963 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3964 | if (!zrmac) | |
3965 | return 0; | |
3966 | ||
3967 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3968 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 3969 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
3970 | |
3971 | zl3vni_rmac_install(zl3vni, zrmac); | |
3972 | return 0; | |
3973 | } | |
3974 | ||
b7cfce93 MK |
3975 | /* Public functions */ |
3976 | ||
c48d9f5f MK |
3977 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
3978 | { | |
3979 | zebra_l3vni_t *zl3vni = NULL; | |
3980 | ||
3981 | zl3vni = zl3vni_lookup(vni); | |
3982 | if (!zl3vni) | |
3983 | return 0; | |
3984 | ||
3985 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
3986 | } | |
3987 | ||
2dbad57f | 3988 | /* handle evpn route in vrf table */ |
996c9314 LB |
3989 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
3990 | struct ipaddr *vtep_ip, | |
3991 | struct prefix *host_prefix) | |
2dbad57f | 3992 | { |
3993 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 3994 | struct ipaddr ipv4_vtep; |
2dbad57f | 3995 | |
3996 | zl3vni = zl3vni_from_vrf(vrf_id); | |
3997 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
3998 | return; | |
3999 | ||
3518f352 | 4000 | /* |
f50dc5e6 MK |
4001 | * add the next hop neighbor - |
4002 | * neigh to be installed is the ipv6 nexthop neigh | |
4003 | */ | |
3518f352 | 4004 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4005 | |
f50dc5e6 MK |
4006 | /* |
4007 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4008 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4009 | * support ipv4 tunnels in the h/w right now | |
4010 | */ | |
4011 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4012 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4013 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4014 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4015 | &(ipv4_vtep.ipaddr_v4)); | |
4016 | else | |
4017 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4018 | sizeof(struct in_addr)); | |
4019 | ||
3518f352 DS |
4020 | /* |
4021 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4022 | * nexthop address |
4023 | */ | |
3518f352 | 4024 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4025 | } |
4026 | ||
4027 | /* handle evpn vrf route delete */ | |
22e63104 | 4028 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4029 | struct ipaddr *vtep_ip, |
4030 | struct prefix *host_prefix) | |
2dbad57f | 4031 | { |
4032 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4033 | zebra_neigh_t *nh = NULL; |
4034 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4035 | |
4036 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4037 | if (!zl3vni) |
2dbad57f | 4038 | return; |
4039 | ||
22e63104 | 4040 | /* find the next hop entry and rmac entry */ |
4041 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4042 | if (!nh) | |
4043 | return; | |
4044 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4045 | ||
2dbad57f | 4046 | /* delete the next hop entry */ |
22e63104 | 4047 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4048 | |
4049 | /* delete the rmac entry */ | |
22e63104 | 4050 | if (zrmac) |
4051 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4052 | ||
2dbad57f | 4053 | } |
4054 | ||
996c9314 | 4055 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
316f4ca4 | 4056 | struct ethaddr *rmac, |
d7c0a89a | 4057 | uint8_t use_json) |
9aa741ea MK |
4058 | { |
4059 | zebra_l3vni_t *zl3vni = NULL; | |
4060 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4061 | json_object *json = NULL; |
9aa741ea | 4062 | |
316f4ca4 MK |
4063 | if (!is_evpn_enabled()) { |
4064 | if (use_json) | |
4065 | vty_out(vty, "{}\n"); | |
9aa741ea | 4066 | return; |
316f4ca4 MK |
4067 | } |
4068 | ||
4069 | if (use_json) | |
4070 | json = json_object_new_object(); | |
9aa741ea MK |
4071 | |
4072 | zl3vni = zl3vni_lookup(l3vni); | |
4073 | if (!zl3vni) { | |
316f4ca4 MK |
4074 | if (use_json) |
4075 | vty_out(vty, "{}\n"); | |
4076 | else | |
996c9314 | 4077 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4078 | return; |
4079 | } | |
4080 | ||
4081 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4082 | if (!zrmac) { | |
316f4ca4 MK |
4083 | if (use_json) |
4084 | vty_out(vty, "{}\n"); | |
4085 | else | |
4086 | vty_out(vty, | |
4087 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4088 | l3vni); | |
9aa741ea MK |
4089 | return; |
4090 | } | |
4091 | ||
316f4ca4 MK |
4092 | zl3vni_print_rmac(zrmac, vty, json); |
4093 | ||
4094 | if (use_json) { | |
4095 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4096 | json, JSON_C_TO_STRING_PRETTY)); | |
4097 | json_object_free(json); | |
4098 | } | |
9aa741ea | 4099 | } |
2dbad57f | 4100 | |
996c9314 | 4101 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4102 | uint8_t use_json) |
b7cfce93 MK |
4103 | { |
4104 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4105 | uint32_t num_rmacs; |
b7cfce93 MK |
4106 | struct rmac_walk_ctx wctx; |
4107 | json_object *json = NULL; | |
b7cfce93 MK |
4108 | |
4109 | if (!is_evpn_enabled()) | |
4110 | return; | |
4111 | ||
4112 | zl3vni = zl3vni_lookup(l3vni); | |
4113 | if (!zl3vni) { | |
4114 | if (use_json) | |
4115 | vty_out(vty, "{}\n"); | |
4116 | else | |
4117 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4118 | return; | |
4119 | } | |
4120 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4121 | if (!num_rmacs) | |
4122 | return; | |
4123 | ||
75223c9e | 4124 | if (use_json) |
b7cfce93 | 4125 | json = json_object_new_object(); |
b7cfce93 MK |
4126 | |
4127 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4128 | wctx.vty = vty; | |
75223c9e | 4129 | wctx.json = json; |
b7cfce93 | 4130 | if (!use_json) { |
996c9314 | 4131 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4132 | num_rmacs); |
4cce389e | 4133 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4134 | } else |
4135 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4136 | ||
4137 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4138 | ||
4139 | if (use_json) { | |
b7cfce93 MK |
4140 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4141 | json, JSON_C_TO_STRING_PRETTY)); | |
4142 | json_object_free(json); | |
4143 | } | |
4144 | } | |
4145 | ||
d7c0a89a | 4146 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 MK |
4147 | { |
4148 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4149 | json_object *json = NULL; |
c0b4eaa4 | 4150 | void *args[2]; |
b7cfce93 MK |
4151 | |
4152 | if (!is_evpn_enabled()) { | |
4153 | if (use_json) | |
4154 | vty_out(vty, "{}\n"); | |
4155 | return; | |
4156 | } | |
4157 | ||
4158 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4159 | if (!zns) { |
4160 | if (use_json) | |
4161 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4162 | return; |
c0b4eaa4 | 4163 | } |
b7cfce93 MK |
4164 | |
4165 | if (use_json) | |
4166 | json = json_object_new_object(); | |
4167 | ||
c0b4eaa4 MK |
4168 | args[0] = vty; |
4169 | args[1] = json; | |
4170 | hash_iterate(zns->l3vni_table, | |
4171 | (void (*)(struct hash_backet *, | |
4172 | void *))zl3vni_print_rmac_hash_all_vni, | |
4173 | args); | |
b7cfce93 MK |
4174 | |
4175 | if (use_json) { | |
4176 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4177 | json, JSON_C_TO_STRING_PRETTY)); | |
4178 | json_object_free(json); | |
4179 | } | |
4180 | } | |
4181 | ||
996c9314 | 4182 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
d7c0a89a | 4183 | struct ipaddr *ip, uint8_t use_json) |
9aa741ea MK |
4184 | { |
4185 | zebra_l3vni_t *zl3vni = NULL; | |
4186 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4187 | json_object *json = NULL; |
9aa741ea | 4188 | |
c0e519d3 MK |
4189 | if (!is_evpn_enabled()) { |
4190 | if (use_json) | |
4191 | vty_out(vty, "{}\n"); | |
9aa741ea | 4192 | return; |
c0e519d3 MK |
4193 | } |
4194 | ||
4195 | if (use_json) | |
4196 | json = json_object_new_object(); | |
9aa741ea MK |
4197 | |
4198 | zl3vni = zl3vni_lookup(l3vni); | |
4199 | if (!zl3vni) { | |
c0e519d3 MK |
4200 | if (use_json) |
4201 | vty_out(vty, "{}\n"); | |
4202 | else | |
4203 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4204 | return; |
4205 | } | |
4206 | ||
4207 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4208 | if (!n) { | |
c0e519d3 MK |
4209 | if (use_json) |
4210 | vty_out(vty, "{}\n"); | |
4211 | else | |
4212 | vty_out(vty, | |
4213 | "%% Requested next-hop not present for L3-VNI %u", | |
4214 | l3vni); | |
9aa741ea MK |
4215 | return; |
4216 | } | |
4217 | ||
c0e519d3 MK |
4218 | zl3vni_print_nh(n, vty, json); |
4219 | ||
4220 | if (use_json) { | |
4221 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4222 | json, JSON_C_TO_STRING_PRETTY)); | |
4223 | json_object_free(json); | |
4224 | } | |
9aa741ea MK |
4225 | } |
4226 | ||
d7c0a89a | 4227 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, uint8_t use_json) |
b7cfce93 | 4228 | { |
d7c0a89a | 4229 | uint32_t num_nh; |
2dbad57f | 4230 | struct nh_walk_ctx wctx; |
b7cfce93 | 4231 | json_object *json = NULL; |
b7cfce93 MK |
4232 | zebra_l3vni_t *zl3vni = NULL; |
4233 | ||
4234 | if (!is_evpn_enabled()) | |
4235 | return; | |
4236 | ||
4237 | zl3vni = zl3vni_lookup(l3vni); | |
4238 | if (!zl3vni) { | |
4239 | if (use_json) | |
4240 | vty_out(vty, "{}\n"); | |
4241 | else | |
4242 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4243 | return; | |
4244 | } | |
4245 | ||
4246 | num_nh = hashcount(zl3vni->nh_table); | |
4247 | if (!num_nh) | |
4248 | return; | |
4249 | ||
9187f600 | 4250 | if (use_json) |
b7cfce93 | 4251 | json = json_object_new_object(); |
b7cfce93 | 4252 | |
2dbad57f | 4253 | wctx.vty = vty; |
9187f600 | 4254 | wctx.json = json; |
b7cfce93 | 4255 | if (!use_json) { |
996c9314 | 4256 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4257 | num_nh); |
4cce389e | 4258 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4259 | } else |
4cce389e | 4260 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4261 | |
4262 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4263 | ||
4264 | if (use_json) { | |
b7cfce93 MK |
4265 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4266 | json, JSON_C_TO_STRING_PRETTY)); | |
4267 | json_object_free(json); | |
4268 | } | |
4269 | } | |
4270 | ||
d7c0a89a | 4271 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, uint8_t use_json) |
b7cfce93 | 4272 | { |
2dbad57f | 4273 | struct zebra_ns *zns = NULL; |
2dbad57f | 4274 | json_object *json = NULL; |
32798965 | 4275 | void *args[2]; |
2dbad57f | 4276 | |
4277 | if (!is_evpn_enabled()) { | |
4278 | if (use_json) | |
4279 | vty_out(vty, "{}\n"); | |
4280 | return; | |
4281 | } | |
4282 | ||
4283 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4284 | if (!zns) | |
4285 | return; | |
4286 | ||
4287 | if (use_json) | |
4288 | json = json_object_new_object(); | |
4289 | ||
32798965 MK |
4290 | args[0] = vty; |
4291 | args[1] = json; | |
4292 | hash_iterate(zns->l3vni_table, | |
4293 | (void (*)(struct hash_backet *, | |
4294 | void *))zl3vni_print_nh_hash_all_vni, | |
4295 | args); | |
2dbad57f | 4296 | |
4297 | if (use_json) { | |
4298 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4299 | json, JSON_C_TO_STRING_PRETTY)); | |
4300 | json_object_free(json); | |
4301 | } | |
b7cfce93 MK |
4302 | return; |
4303 | } | |
4304 | ||
4305 | /* | |
4306 | * Display L3 VNI information (VTY command handler). | |
4307 | */ | |
d7c0a89a | 4308 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4309 | { |
4310 | void *args[2]; | |
4311 | json_object *json = NULL; | |
4312 | zebra_l3vni_t *zl3vni = NULL; | |
4313 | ||
b2ee5a13 MK |
4314 | if (!is_evpn_enabled()) { |
4315 | if (use_json) | |
4316 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4317 | return; |
b2ee5a13 | 4318 | } |
b7cfce93 MK |
4319 | |
4320 | zl3vni = zl3vni_lookup(vni); | |
4321 | if (!zl3vni) { | |
4322 | if (use_json) | |
4323 | vty_out(vty, "{}\n"); | |
4324 | else | |
4325 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4326 | return; | |
4327 | } | |
4328 | ||
4329 | if (use_json) | |
4330 | json = json_object_new_object(); | |
4331 | ||
b2ee5a13 MK |
4332 | args[0] = vty; |
4333 | args[1] = json; | |
b7cfce93 MK |
4334 | zl3vni_print(zl3vni, (void *)args); |
4335 | ||
4336 | if (use_json) { | |
4337 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4338 | json, JSON_C_TO_STRING_PRETTY)); | |
4339 | json_object_free(json); | |
4340 | } | |
4341 | } | |
4342 | ||
4cce389e MK |
4343 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4344 | json_object *json_vrfs) | |
b7cfce93 | 4345 | { |
4cce389e MK |
4346 | char buf[ETHER_ADDR_STRLEN]; |
4347 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4348 | |
4cce389e MK |
4349 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4350 | if (!zl3vni) | |
b7cfce93 | 4351 | return; |
b7cfce93 | 4352 | |
4cce389e MK |
4353 | if (!json_vrfs) { |
4354 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4355 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4356 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4357 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4358 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4359 | } else { |
4cce389e MK |
4360 | json_object *json_vrf = NULL; |
4361 | json_vrf = json_object_new_object(); | |
996c9314 | 4362 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4363 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4364 | json_object_string_add(json_vrf, "vxlanIntf", | |
4365 | zl3vni_vxlan_if_name(zl3vni)); | |
4366 | json_object_string_add(json_vrf, "sviIntf", | |
4367 | zl3vni_svi_if_name(zl3vni)); | |
4368 | json_object_string_add(json_vrf, "state", | |
4369 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4370 | json_object_string_add( |
4371 | json_vrf, "routerMac", | |
4372 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4373 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4374 | } |
4375 | } | |
4376 | ||
4377 | /* | |
4378 | * Display Neighbors for a VNI (VTY command handler). | |
4379 | */ | |
4380 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4381 | vni_t vni, uint8_t use_json) |
b7cfce93 MK |
4382 | { |
4383 | zebra_vni_t *zvni; | |
d7c0a89a | 4384 | uint32_t num_neigh; |
b7cfce93 MK |
4385 | struct neigh_walk_ctx wctx; |
4386 | json_object *json = NULL; | |
4387 | ||
4388 | if (!is_evpn_enabled()) | |
4389 | return; | |
4390 | zvni = zvni_lookup(vni); | |
4391 | if (!zvni) { | |
4392 | if (use_json) | |
4393 | vty_out(vty, "{}\n"); | |
4394 | else | |
4395 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4396 | return; | |
4397 | } | |
4398 | num_neigh = hashcount(zvni->neigh_table); | |
4399 | if (!num_neigh) | |
4400 | return; | |
4401 | ||
4402 | if (use_json) | |
4403 | json = json_object_new_object(); | |
4404 | ||
4405 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4406 | * size, we try to be a bit more elegant in display by first computing | |
4407 | * the maximum width. | |
4408 | */ | |
4409 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4410 | wctx.zvni = zvni; | |
4411 | wctx.vty = vty; | |
4412 | wctx.addr_width = 15; | |
4413 | wctx.json = json; | |
4414 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4415 | ||
4416 | if (!use_json) { | |
4417 | vty_out(vty, | |
4418 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4419 | num_neigh); | |
4420 | vty_out(vty, "%*s %-6s %-17s %-21s\n", -wctx.addr_width, "IP", | |
4421 | "Type", "MAC", "Remote VTEP"); | |
4422 | } else | |
4423 | json_object_int_add(json, "numArpNd", num_neigh); | |
4424 | ||
4425 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4426 | if (use_json) { | |
4427 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4428 | json, JSON_C_TO_STRING_PRETTY)); | |
4429 | json_object_free(json); | |
4430 | } | |
4431 | } | |
4432 | ||
4433 | /* | |
4434 | * Display neighbors across all VNIs (VTY command handler). | |
4435 | */ | |
4436 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4437 | uint8_t use_json) |
b7cfce93 MK |
4438 | { |
4439 | json_object *json = NULL; | |
4440 | void *args[2]; | |
4441 | ||
4442 | if (!is_evpn_enabled()) | |
4443 | return; | |
4444 | ||
4445 | if (use_json) | |
4446 | json = json_object_new_object(); | |
4447 | ||
4448 | args[0] = vty; | |
4449 | args[1] = json; | |
4450 | hash_iterate(zvrf->vni_table, | |
4451 | (void (*)(struct hash_backet *, | |
4452 | void *))zvni_print_neigh_hash_all_vni, | |
4453 | args); | |
4454 | if (use_json) { | |
4455 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4456 | json, JSON_C_TO_STRING_PRETTY)); | |
4457 | json_object_free(json); | |
4458 | } | |
4459 | } | |
4460 | ||
4461 | /* | |
4462 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4463 | */ | |
4464 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4465 | struct zebra_vrf *zvrf, vni_t vni, | |
d7c0a89a | 4466 | struct ipaddr *ip, uint8_t use_json) |
b7cfce93 MK |
4467 | { |
4468 | zebra_vni_t *zvni; | |
4469 | zebra_neigh_t *n; | |
4470 | json_object *json = NULL; | |
4471 | ||
4472 | if (!is_evpn_enabled()) | |
4473 | return; | |
4474 | zvni = zvni_lookup(vni); | |
4475 | if (!zvni) { | |
4476 | if (use_json) | |
cd233079 CS |
4477 | vty_out(vty, "{}\n"); |
4478 | else | |
4479 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4480 | return; |
4481 | } | |
4482 | n = zvni_neigh_lookup(zvni, ip); | |
4483 | if (!n) { | |
cd233079 CS |
4484 | if (!use_json) |
4485 | vty_out(vty, | |
4486 | "%% Requested neighbor does not exist in VNI %u\n", | |
4487 | vni); | |
d62a17ae | 4488 | return; |
4489 | } | |
cd233079 CS |
4490 | if (use_json) |
4491 | json = json_object_new_object(); | |
4492 | ||
4493 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4494 | |
cd233079 CS |
4495 | if (use_json) { |
4496 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4497 | json, JSON_C_TO_STRING_PRETTY)); | |
4498 | json_object_free(json); | |
4499 | } | |
cec2e17d | 4500 | } |
4501 | ||
4502 | /* | |
4503 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4504 | * By definition, these are remote neighbors. | |
4505 | */ | |
d62a17ae | 4506 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4507 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4508 | uint8_t use_json) |
cec2e17d | 4509 | { |
d62a17ae | 4510 | zebra_vni_t *zvni; |
d7c0a89a | 4511 | uint32_t num_neigh; |
d62a17ae | 4512 | struct neigh_walk_ctx wctx; |
cd233079 | 4513 | json_object *json = NULL; |
cec2e17d | 4514 | |
2853fed6 | 4515 | if (!is_evpn_enabled()) |
d62a17ae | 4516 | return; |
2853fed6 | 4517 | zvni = zvni_lookup(vni); |
d62a17ae | 4518 | if (!zvni) { |
cd233079 CS |
4519 | if (use_json) |
4520 | vty_out(vty, "{}\n"); | |
4521 | else | |
4522 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4523 | return; |
4524 | } | |
4525 | num_neigh = hashcount(zvni->neigh_table); | |
4526 | if (!num_neigh) | |
4527 | return; | |
cec2e17d | 4528 | |
d62a17ae | 4529 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4530 | wctx.zvni = zvni; | |
4531 | wctx.vty = vty; | |
68e33151 | 4532 | wctx.addr_width = 15; |
d62a17ae | 4533 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4534 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4535 | wctx.json = json; |
68e33151 | 4536 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4537 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4538 | |
4539 | if (use_json) { | |
4540 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4541 | json, JSON_C_TO_STRING_PRETTY)); | |
4542 | json_object_free(json); | |
4543 | } | |
cec2e17d | 4544 | } |
4545 | ||
4546 | /* | |
4547 | * Display MACs for a VNI (VTY command handler). | |
4548 | */ | |
d62a17ae | 4549 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4550 | vni_t vni, uint8_t use_json) |
cec2e17d | 4551 | { |
d62a17ae | 4552 | zebra_vni_t *zvni; |
d7c0a89a | 4553 | uint32_t num_macs; |
d62a17ae | 4554 | struct mac_walk_ctx wctx; |
cd233079 CS |
4555 | json_object *json = NULL; |
4556 | json_object *json_mac = NULL; | |
cec2e17d | 4557 | |
2853fed6 | 4558 | if (!is_evpn_enabled()) |
d62a17ae | 4559 | return; |
2853fed6 | 4560 | zvni = zvni_lookup(vni); |
d62a17ae | 4561 | if (!zvni) { |
cd233079 CS |
4562 | if (use_json) |
4563 | vty_out(vty, "{}\n"); | |
4564 | else | |
4565 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4566 | return; |
4567 | } | |
790f8dc5 | 4568 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4569 | if (!num_macs) |
4570 | return; | |
cec2e17d | 4571 | |
cd233079 CS |
4572 | if (use_json) { |
4573 | json = json_object_new_object(); | |
4574 | json_mac = json_object_new_object(); | |
4575 | } | |
4576 | ||
d62a17ae | 4577 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4578 | wctx.zvni = zvni; | |
4579 | wctx.vty = vty; | |
cd233079 | 4580 | wctx.json = json_mac; |
cec2e17d | 4581 | |
cd233079 CS |
4582 | if (!use_json) { |
4583 | vty_out(vty, | |
4584 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
4585 | num_macs); | |
4586 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
4587 | "Intf/Remote VTEP", "VLAN"); | |
4588 | } else | |
4589 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 4590 | |
d62a17ae | 4591 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4592 | |
4593 | if (use_json) { | |
4594 | json_object_object_add(json, "macs", json_mac); | |
4595 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4596 | json, JSON_C_TO_STRING_PRETTY)); | |
4597 | json_object_free(json); | |
4598 | } | |
cec2e17d | 4599 | } |
4600 | ||
4601 | /* | |
4602 | * Display MACs for all VNIs (VTY command handler). | |
4603 | */ | |
cd233079 | 4604 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
d7c0a89a | 4605 | uint8_t use_json) |
cec2e17d | 4606 | { |
d62a17ae | 4607 | struct mac_walk_ctx wctx; |
cd233079 | 4608 | json_object *json = NULL; |
cec2e17d | 4609 | |
2853fed6 | 4610 | if (!is_evpn_enabled()) { |
cd233079 CS |
4611 | if (use_json) |
4612 | vty_out(vty, "{}\n"); | |
d62a17ae | 4613 | return; |
cd233079 CS |
4614 | } |
4615 | if (use_json) | |
4616 | json = json_object_new_object(); | |
4617 | ||
d62a17ae | 4618 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4619 | wctx.vty = vty; | |
cd233079 | 4620 | wctx.json = json; |
d62a17ae | 4621 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4622 | |
4623 | if (use_json) { | |
4624 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4625 | json, JSON_C_TO_STRING_PRETTY)); | |
4626 | json_object_free(json); | |
4627 | } | |
cec2e17d | 4628 | } |
4629 | ||
4630 | /* | |
4631 | * Display MACs for all VNIs (VTY command handler). | |
4632 | */ | |
d62a17ae | 4633 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
4634 | struct zebra_vrf *zvrf, | |
cd233079 | 4635 | struct in_addr vtep_ip, |
d7c0a89a | 4636 | uint8_t use_json) |
cec2e17d | 4637 | { |
d62a17ae | 4638 | struct mac_walk_ctx wctx; |
cd233079 | 4639 | json_object *json = NULL; |
cec2e17d | 4640 | |
2853fed6 | 4641 | if (!is_evpn_enabled()) |
d62a17ae | 4642 | return; |
cd233079 CS |
4643 | |
4644 | if (use_json) | |
4645 | json = json_object_new_object(); | |
4646 | ||
d62a17ae | 4647 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4648 | wctx.vty = vty; | |
4649 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4650 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4651 | wctx.json = json; |
d62a17ae | 4652 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
4653 | |
4654 | if (use_json) { | |
4655 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4656 | json, JSON_C_TO_STRING_PRETTY)); | |
4657 | json_object_free(json); | |
4658 | } | |
cec2e17d | 4659 | } |
4660 | ||
4661 | /* | |
4662 | * Display specific MAC for a VNI, if present (VTY command handler). | |
4663 | */ | |
d62a17ae | 4664 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4665 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 4666 | { |
d62a17ae | 4667 | zebra_vni_t *zvni; |
4668 | zebra_mac_t *mac; | |
cec2e17d | 4669 | |
2853fed6 | 4670 | if (!is_evpn_enabled()) |
d62a17ae | 4671 | return; |
2853fed6 | 4672 | zvni = zvni_lookup(vni); |
d62a17ae | 4673 | if (!zvni) { |
4674 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4675 | return; | |
4676 | } | |
4677 | mac = zvni_mac_lookup(zvni, macaddr); | |
4678 | if (!mac) { | |
4679 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
4680 | vni); | |
4681 | return; | |
4682 | } | |
cec2e17d | 4683 | |
d62a17ae | 4684 | zvni_print_mac(mac, vty); |
cec2e17d | 4685 | } |
4686 | ||
4687 | /* | |
4688 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
4689 | */ | |
d62a17ae | 4690 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4691 | vni_t vni, struct in_addr vtep_ip, |
d7c0a89a | 4692 | uint8_t use_json) |
cec2e17d | 4693 | { |
d62a17ae | 4694 | zebra_vni_t *zvni; |
d7c0a89a | 4695 | uint32_t num_macs; |
d62a17ae | 4696 | struct mac_walk_ctx wctx; |
cd233079 CS |
4697 | json_object *json = NULL; |
4698 | json_object *json_mac = NULL; | |
cec2e17d | 4699 | |
2853fed6 | 4700 | if (!is_evpn_enabled()) |
d62a17ae | 4701 | return; |
2853fed6 | 4702 | zvni = zvni_lookup(vni); |
d62a17ae | 4703 | if (!zvni) { |
cd233079 CS |
4704 | if (use_json) |
4705 | vty_out(vty, "{}\n"); | |
4706 | else | |
4707 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4708 | return; |
4709 | } | |
790f8dc5 | 4710 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4711 | if (!num_macs) |
4712 | return; | |
cd233079 CS |
4713 | |
4714 | if (use_json) { | |
4715 | json = json_object_new_object(); | |
4716 | json_mac = json_object_new_object(); | |
4717 | } | |
4718 | ||
d62a17ae | 4719 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
4720 | wctx.zvni = zvni; | |
4721 | wctx.vty = vty; | |
4722 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
4723 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4724 | wctx.json = json_mac; |
d62a17ae | 4725 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
4726 | |
4727 | if (use_json) { | |
4728 | json_object_int_add(json, "numMacs", wctx.count); | |
4729 | if (wctx.count) | |
4730 | json_object_object_add(json, "macs", json_mac); | |
4731 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4732 | json, JSON_C_TO_STRING_PRETTY)); | |
4733 | json_object_free(json); | |
4734 | } | |
cec2e17d | 4735 | } |
4736 | ||
4737 | ||
4738 | /* | |
4739 | * Display VNI information (VTY command handler). | |
4740 | */ | |
cd233079 | 4741 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
d7c0a89a | 4742 | uint8_t use_json) |
cec2e17d | 4743 | { |
cd233079 CS |
4744 | json_object *json = NULL; |
4745 | void *args[2]; | |
1f2129ec | 4746 | zebra_l3vni_t *zl3vni = NULL; |
4747 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 4748 | |
2853fed6 | 4749 | if (!is_evpn_enabled()) |
d62a17ae | 4750 | return; |
4cce389e | 4751 | |
cd233079 CS |
4752 | if (use_json) |
4753 | json = json_object_new_object(); | |
4754 | args[0] = vty; | |
4755 | args[1] = json; | |
4cce389e | 4756 | |
1f2129ec | 4757 | zl3vni = zl3vni_lookup(vni); |
4758 | if (zl3vni) { | |
4cce389e MK |
4759 | zl3vni_print(zl3vni, (void *)args); |
4760 | } else { | |
4cce389e MK |
4761 | zvni = zvni_lookup(vni); |
4762 | if (!zvni) { | |
4763 | if (use_json) | |
4764 | vty_out(vty, "{}\n"); | |
4765 | else | |
4766 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4767 | return; | |
4768 | } | |
4769 | ||
4770 | zvni_print(zvni, (void *)args); | |
4771 | } | |
4772 | ||
cd233079 CS |
4773 | if (use_json) { |
4774 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4775 | json, JSON_C_TO_STRING_PRETTY)); | |
4776 | json_object_free(json); | |
4777 | } | |
cec2e17d | 4778 | } |
4779 | ||
4cce389e | 4780 | /* Display all global details for EVPN */ |
d7c0a89a | 4781 | void zebra_vxlan_print_evpn(struct vty *vty, uint8_t uj) |
cec2e17d | 4782 | { |
4cce389e MK |
4783 | int num_l2vnis = 0; |
4784 | int num_l3vnis = 0; | |
d4454626 | 4785 | int num_vnis = 0; |
cd233079 | 4786 | json_object *json = NULL; |
4cce389e MK |
4787 | struct zebra_ns *zns = NULL; |
4788 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 4789 | |
2853fed6 | 4790 | if (!is_evpn_enabled()) |
d62a17ae | 4791 | return; |
4cce389e MK |
4792 | |
4793 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4794 | if (!zns) | |
d62a17ae | 4795 | return; |
4cce389e MK |
4796 | |
4797 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
4798 | if (!zvrf) | |
4799 | return; | |
4800 | ||
4801 | num_l3vnis = hashcount(zns->l3vni_table); | |
4802 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 4803 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
4804 | |
4805 | if (uj) { | |
cd233079 | 4806 | json = json_object_new_object(); |
ddd16ed5 MK |
4807 | json_object_string_add(json, "advertiseGatewayMacip", |
4808 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 4809 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
4810 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
4811 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 4812 | } else { |
4cce389e MK |
4813 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
4814 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
4815 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
4816 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 4817 | } |
4cce389e MK |
4818 | |
4819 | if (uj) { | |
4820 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4821 | json, JSON_C_TO_STRING_PRETTY)); | |
4822 | json_object_free(json); | |
4823 | } | |
4824 | } | |
4825 | ||
4826 | /* | |
4827 | * Display VNI hash table (VTY command handler). | |
4828 | */ | |
4829 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
d7c0a89a | 4830 | uint8_t use_json) |
4cce389e MK |
4831 | { |
4832 | json_object *json = NULL; | |
4833 | struct zebra_ns *zns = NULL; | |
4834 | void *args[2]; | |
4835 | ||
4836 | if (!is_evpn_enabled()) | |
4837 | return; | |
4838 | ||
4839 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4840 | if (!zns) | |
4841 | return; | |
4842 | ||
4843 | ||
4844 | if (use_json) | |
4845 | json = json_object_new_object(); | |
4846 | else | |
996c9314 LB |
4847 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
4848 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
4849 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 4850 | |
cd233079 CS |
4851 | args[0] = vty; |
4852 | args[1] = json; | |
4853 | ||
4cce389e | 4854 | /* Display all L2-VNIs */ |
cd233079 CS |
4855 | hash_iterate(zvrf->vni_table, |
4856 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
4857 | args); | |
4858 | ||
4cce389e MK |
4859 | /* Display all L3-VNIs */ |
4860 | hash_iterate(zns->l3vni_table, | |
4861 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
4862 | args); | |
4863 | ||
cd233079 CS |
4864 | if (use_json) { |
4865 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4866 | json, JSON_C_TO_STRING_PRETTY)); | |
4867 | json_object_free(json); | |
4868 | } | |
cec2e17d | 4869 | } |
4870 | ||
2232a77c | 4871 | /* |
ee69da27 MK |
4872 | * Handle neighbor delete notification from the kernel (on a VLAN device |
4873 | * / L3 interface). This may result in either the neighbor getting deleted | |
4874 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 4875 | * remote neighbor). |
4876 | */ | |
ee69da27 MK |
4877 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
4878 | struct interface *link_if, | |
4879 | struct ipaddr *ip) | |
d62a17ae | 4880 | { |
d62a17ae | 4881 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 4882 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
4883 | zebra_neigh_t *n = NULL; |
4884 | zebra_vni_t *zvni = NULL; | |
4885 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 4886 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 4887 | |
8c9b80b9 | 4888 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 4889 | * next-hop |
4890 | */ | |
8c9b80b9 MK |
4891 | zl3vni = zl3vni_from_svi(ifp, link_if); |
4892 | if (zl3vni) | |
4893 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 4894 | |
4895 | /* We are only interested in neighbors on an SVI that resides on top | |
4896 | * of a VxLAN bridge. | |
4897 | */ | |
b7cfce93 | 4898 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4899 | if (!zvni) |
4900 | return 0; | |
8c9b80b9 | 4901 | |
d62a17ae | 4902 | if (!zvni->vxlan_if) { |
43e52561 | 4903 | zlog_warn( |
d62a17ae | 4904 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
4905 | zvni->vni, zvni); | |
4906 | return -1; | |
4907 | } | |
4908 | ||
4909 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 4910 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
4911 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
4912 | ifp->ifindex, zvni->vni); | |
d62a17ae | 4913 | |
4914 | /* If entry doesn't exist, nothing to do. */ | |
4915 | n = zvni_neigh_lookup(zvni, ip); | |
4916 | if (!n) | |
4917 | return 0; | |
4918 | ||
b6938a74 MK |
4919 | zmac = zvni_mac_lookup(zvni, &n->emac); |
4920 | if (!zmac) { | |
4921 | if (IS_ZEBRA_DEBUG_VXLAN) | |
43e52561 | 4922 | zlog_warn( |
2853fed6 | 4923 | "Trying to del a neigh %s without a mac %s on VNI %u", |
4924 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
4925 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
4926 | zvni->vni); | |
4927 | ||
4928 | return 0; | |
4929 | } | |
4930 | ||
d62a17ae | 4931 | /* If it is a remote entry, the kernel has aged this out or someone has |
4932 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
4933 | */ | |
4934 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
4935 | zvni_neigh_install(zvni, n); | |
4936 | return 0; | |
4937 | } | |
4938 | ||
d62a17ae | 4939 | /* Remove neighbor from BGP. */ |
b6938a74 | 4940 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 4941 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 4942 | |
4943 | /* Delete this neighbor entry. */ | |
4944 | zvni_neigh_del(zvni, n); | |
4945 | ||
b6938a74 MK |
4946 | /* see if the AUTO mac needs to be deleted */ |
4947 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 4948 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
4949 | zvni_mac_del(zvni, zmac); |
4950 | ||
d62a17ae | 4951 | return 0; |
2232a77c | 4952 | } |
4953 | ||
4954 | /* | |
ee69da27 MK |
4955 | * Handle neighbor add or update notification from the kernel (on a VLAN |
4956 | * device / L3 interface). This is typically for a local neighbor but can | |
4957 | * also be for a remote neighbor (e.g., ageout notification). It could | |
4958 | * also be a "move" scenario. | |
2232a77c | 4959 | */ |
ee69da27 MK |
4960 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
4961 | struct interface *link_if, | |
4962 | struct ipaddr *ip, | |
4963 | struct ethaddr *macaddr, | |
4964 | uint16_t state, | |
68e33151 CS |
4965 | uint8_t ext_learned, |
4966 | uint8_t router_flag) | |
d62a17ae | 4967 | { |
d62a17ae | 4968 | char buf[ETHER_ADDR_STRLEN]; |
4969 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 4970 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 4971 | zebra_l3vni_t *zl3vni = NULL; |
4972 | ||
4973 | /* check if this is a remote neigh entry corresponding to remote | |
4974 | * next-hop | |
4975 | */ | |
4976 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
4977 | if (zl3vni) | |
4978 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 4979 | |
d62a17ae | 4980 | /* We are only interested in neighbors on an SVI that resides on top |
4981 | * of a VxLAN bridge. | |
4982 | */ | |
b7cfce93 | 4983 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 4984 | if (!zvni) |
4985 | return 0; | |
4986 | ||
d62a17ae | 4987 | if (IS_ZEBRA_DEBUG_VXLAN) |
4988 | zlog_debug( | |
54c17425 | 4989 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 4990 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 4991 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
4992 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
54c17425 | 4993 | router_flag ? "router " : "", |
8c9b80b9 | 4994 | zvni->vni); |
d62a17ae | 4995 | |
ee69da27 MK |
4996 | /* Is this about a local neighbor or a remote one? */ |
4997 | if (!ext_learned) | |
68e33151 CS |
4998 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
4999 | router_flag); | |
b7cfce93 | 5000 | |
ee69da27 | 5001 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5002 | } |
5003 | ||
b682f6de | 5004 | |
2232a77c | 5005 | /* |
5006 | * Handle message from client to delete a remote MACIP for a VNI. | |
5007 | */ | |
89f4e507 | 5008 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5009 | { |
5010 | struct stream *s; | |
5011 | vni_t vni; | |
5012 | struct ethaddr macaddr; | |
5013 | struct ipaddr ip; | |
5014 | struct in_addr vtep_ip; | |
5015 | zebra_vni_t *zvni; | |
5016 | zebra_mac_t *mac; | |
5017 | zebra_neigh_t *n; | |
d7c0a89a | 5018 | unsigned short l = 0, ipa_len; |
d62a17ae | 5019 | char buf[ETHER_ADDR_STRLEN]; |
5020 | char buf1[INET6_ADDRSTRLEN]; | |
b5ebdc9b | 5021 | struct interface *ifp = NULL; |
5022 | struct zebra_if *zif = NULL; | |
d62a17ae | 5023 | |
b7cfce93 | 5024 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5025 | memset(&ip, 0, sizeof(struct ipaddr)); |
5026 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5027 | ||
1002497a | 5028 | s = msg; |
d62a17ae | 5029 | |
89f4e507 | 5030 | while (l < hdr->length) { |
d62a17ae | 5031 | /* Obtain each remote MACIP and process. */ |
5032 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5033 | * followed by remote VTEP IP. | |
5034 | */ | |
5035 | mac = NULL; | |
5036 | n = NULL; | |
5037 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5038 | STREAM_GETL(s, vni); |
5039 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5040 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5041 | if (ipa_len) { |
5042 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5043 | : IPADDR_V6; | |
ec93aa12 | 5044 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5045 | } |
ff8b7eb8 | 5046 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5047 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5048 | l += IPV4_MAX_BYTELEN; |
5049 | ||
5050 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5051 | zlog_debug( | |
23a06e11 | 5052 | "Recv MACIP Del MAC %s IP %s VNI %u Remote VTEP %s from %s", |
d62a17ae | 5053 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5054 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
5055 | inet_ntoa(vtep_ip), | |
5056 | zebra_route_string(client->proto)); | |
5057 | ||
5058 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5059 | zvni = zvni_lookup(vni); |
d62a17ae | 5060 | if (!zvni) { |
5061 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5062 | zlog_debug( | |
5063 | "Failed to locate VNI hash upon remote MACIP DEL, " | |
2853fed6 | 5064 | "VNI %u", |
5065 | vni); | |
d62a17ae | 5066 | continue; |
5067 | } | |
b5ebdc9b | 5068 | ifp = zvni->vxlan_if; |
af026ae4 | 5069 | if (!ifp) { |
43e52561 | 5070 | zlog_warn( |
d62a17ae | 5071 | "VNI %u hash %p doesn't have intf upon remote MACIP DEL", |
5072 | vni, zvni); | |
5073 | continue; | |
5074 | } | |
b5ebdc9b | 5075 | zif = ifp->info; |
5076 | ||
5077 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5078 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5079 | continue; |
d62a17ae | 5080 | |
5081 | /* The remote VTEP specified is normally expected to exist, but | |
5082 | * it is | |
5083 | * possible that the peer may delete the VTEP before deleting | |
5084 | * any MACs | |
5085 | * referring to the VTEP, in which case the handler (see | |
5086 | * remote_vtep_del) | |
5087 | * would have already deleted the MACs. | |
5088 | */ | |
5089 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5090 | continue; | |
5091 | ||
d62a17ae | 5092 | mac = zvni_mac_lookup(zvni, &macaddr); |
5093 | if (ipa_len) | |
5094 | n = zvni_neigh_lookup(zvni, &ip); | |
5095 | ||
5096 | if (n && !mac) { | |
43e52561 QY |
5097 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u", |
5098 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5099 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
d62a17ae | 5100 | continue; |
5101 | } | |
5102 | ||
5103 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5104 | * more | |
5105 | * to do. Otherwise, uninstall the entry and then remove it. | |
5106 | */ | |
5107 | if (!mac && !n) | |
5108 | continue; | |
5109 | ||
ead40654 | 5110 | /* Ignore the delete if this mac is a gateway mac-ip */ |
996c9314 LB |
5111 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
5112 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
43e52561 | 5113 | zlog_warn( |
996c9314 LB |
5114 | "%u: Ignore Del for MAC %s neigh %s on VNI %u as it is configured as a default gateway", |
5115 | zvrf_id(zvrf), | |
5116 | prefix_mac2str(&macaddr, buf, sizeof(buf)), | |
5117 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni); | |
ead40654 MK |
5118 | continue; |
5119 | } | |
5120 | ||
d62a17ae | 5121 | /* Uninstall remote neighbor or MAC. */ |
5122 | if (n) { | |
5123 | /* When the MAC changes for an IP, it is possible the | |
5124 | * client may | |
5125 | * update the new MAC before trying to delete the "old" | |
5126 | * neighbor | |
5127 | * (as these are two different MACIP routes). Do the | |
5128 | * delete only | |
5129 | * if the MAC matches. | |
5130 | */ | |
5131 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
996c9314 | 5132 | && (memcmp(n->emac.octet, macaddr.octet, ETH_ALEN) |
d62a17ae | 5133 | == 0)) { |
5134 | zvni_neigh_uninstall(zvni, n); | |
5135 | zvni_neigh_del(zvni, n); | |
5136 | zvni_deref_ip2mac(zvni, mac, 1); | |
5137 | } | |
5138 | } else { | |
5139 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
996c9314 | 5140 | zvni_process_neigh_on_remote_mac_del(zvni, mac); |
b6938a74 | 5141 | |
0a97666d | 5142 | if (list_isempty(mac->neigh_list)) { |
d62a17ae | 5143 | zvni_mac_uninstall(zvni, mac, 0); |
5144 | zvni_mac_del(zvni, mac); | |
5145 | } else | |
5146 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5147 | } | |
5148 | } | |
5149 | } | |
5150 | ||
ec93aa12 | 5151 | stream_failure: |
8068a649 | 5152 | return; |
2232a77c | 5153 | } |
5154 | ||
5155 | /* | |
5156 | * Handle message from client to add a remote MACIP for a VNI. This | |
5157 | * could be just the add of a MAC address or the add of a neighbor | |
5158 | * (IP+MAC). | |
5159 | */ | |
89f4e507 | 5160 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5161 | { |
5162 | struct stream *s; | |
5163 | vni_t vni; | |
5164 | struct ethaddr macaddr; | |
5165 | struct ipaddr ip; | |
5166 | struct in_addr vtep_ip; | |
5167 | zebra_vni_t *zvni; | |
5168 | zebra_vtep_t *zvtep; | |
5169 | zebra_mac_t *mac, *old_mac; | |
5170 | zebra_neigh_t *n; | |
d7c0a89a | 5171 | unsigned short l = 0, ipa_len; |
d62a17ae | 5172 | int update_mac = 0, update_neigh = 0; |
5173 | char buf[ETHER_ADDR_STRLEN]; | |
5174 | char buf1[INET6_ADDRSTRLEN]; | |
d7c0a89a | 5175 | uint8_t sticky = 0; |
7d08917b CS |
5176 | uint8_t remote_gw = 0; |
5177 | uint8_t router_flag = 0; | |
d7c0a89a | 5178 | uint8_t flags = 0; |
b5ebdc9b | 5179 | struct interface *ifp = NULL; |
5180 | struct zebra_if *zif = NULL; | |
d62a17ae | 5181 | |
b7cfce93 | 5182 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5183 | memset(&ip, 0, sizeof(struct ipaddr)); |
5184 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5185 | ||
ec93aa12 | 5186 | if (!EVPN_ENABLED(zvrf)) { |
996c9314 LB |
5187 | zlog_warn( |
5188 | "%s: EVPN Not turned on yet we have received a remote_macip add zapi callback", | |
5189 | __PRETTY_FUNCTION__); | |
8068a649 | 5190 | return; |
ec93aa12 | 5191 | } |
d62a17ae | 5192 | |
1002497a | 5193 | s = msg; |
d62a17ae | 5194 | |
89f4e507 | 5195 | while (l < hdr->length) { |
d62a17ae | 5196 | /* Obtain each remote MACIP and process. */ |
5197 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5198 | * followed by remote VTEP IP. | |
5199 | */ | |
5200 | update_mac = update_neigh = 0; | |
5201 | mac = NULL; | |
5202 | n = NULL; | |
5203 | memset(&ip, 0, sizeof(ip)); | |
ec93aa12 DS |
5204 | STREAM_GETL(s, vni); |
5205 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5206 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5207 | if (ipa_len) { |
5208 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5209 | : IPADDR_V6; | |
ec93aa12 | 5210 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5211 | } |
ff8b7eb8 | 5212 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5213 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5214 | l += IPV4_MAX_BYTELEN; |
5215 | ||
ead40654 | 5216 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5217 | STREAM_GETC(s, flags); |
ead40654 | 5218 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
51f4dab4 | 5219 | remote_gw = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); |
7d08917b | 5220 | router_flag = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); |
d62a17ae | 5221 | l++; |
5222 | ||
5223 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5224 | zlog_debug( | |
ead40654 | 5225 | "Recv MACIP Add MAC %s IP %s VNI %u Remote VTEP %s with flags 0x%x from %s", |
d62a17ae | 5226 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
5227 | ipaddr2str(&ip, buf1, sizeof(buf1)), vni, | |
ead40654 | 5228 | inet_ntoa(vtep_ip), flags, |
d62a17ae | 5229 | zebra_route_string(client->proto)); |
5230 | ||
5231 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5232 | zvni = zvni_lookup(vni); |
d62a17ae | 5233 | if (!zvni) { |
43e52561 | 5234 | zlog_warn( |
2853fed6 | 5235 | "Failed to locate VNI hash upon remote MACIP ADD, VNI %u", |
5236 | vni); | |
d62a17ae | 5237 | continue; |
5238 | } | |
b5ebdc9b | 5239 | ifp = zvni->vxlan_if; |
5240 | if (!ifp) { | |
43e52561 | 5241 | zlog_warn( |
d62a17ae | 5242 | "VNI %u hash %p doesn't have intf upon remote MACIP add", |
5243 | vni, zvni); | |
5244 | continue; | |
5245 | } | |
b5ebdc9b | 5246 | zif = ifp->info; |
5247 | ||
5248 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5249 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5250 | continue; |
5251 | ||
5252 | /* The remote VTEP specified should normally exist, but it is | |
5253 | * possible | |
5254 | * that when peering comes up, peer may advertise MACIP routes | |
5255 | * before | |
5256 | * advertising type-3 routes. | |
5257 | */ | |
5258 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5259 | if (!zvtep) { | |
5260 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
af4c2728 | 5261 | flog_err( |
43e52561 | 5262 | ZEBRA_ERR_VTEP_ADD_FAILED, |
2853fed6 | 5263 | "Failed to add remote VTEP, VNI %u zvni %p", |
5264 | vni, zvni); | |
d62a17ae | 5265 | continue; |
5266 | } | |
5267 | ||
5268 | zvni_vtep_install(zvni, &vtep_ip); | |
5269 | } | |
5270 | ||
d62a17ae | 5271 | mac = zvni_mac_lookup(zvni, &macaddr); |
ead40654 MK |
5272 | |
5273 | /* Ignore the update if the mac is already present | |
5274 | as a gateway mac */ | |
996c9314 LB |
5275 | if (mac && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) |
5276 | && CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
ead40654 | 5277 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
5278 | zlog_debug( |
5279 | "%u:Ignore MAC %s IP %s on VNI %u as MAC is already configured as gateway mac", | |
5280 | zvrf_id(zvrf), | |
5281 | prefix_mac2str(&macaddr, buf, | |
5282 | sizeof(buf)), | |
5283 | ipaddr2str(&ip, buf1, sizeof(buf1)), | |
5284 | vni); | |
ead40654 MK |
5285 | continue; |
5286 | } | |
5287 | ||
5288 | /* check if the remote MAC is unknown or has a change. | |
5289 | * If so, that needs to be updated first. Note that client could | |
5290 | * install MAC and MACIP separately or just install the latter. | |
5291 | */ | |
d62a17ae | 5292 | if (!mac || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) |
5293 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) | |
5294 | != sticky | |
51f4dab4 AK |
5295 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) ? 1 : 0) |
5296 | != remote_gw | |
d62a17ae | 5297 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip)) |
5298 | update_mac = 1; | |
5299 | ||
5300 | if (update_mac) { | |
5301 | if (!mac) { | |
5302 | mac = zvni_mac_add(zvni, &macaddr); | |
5303 | if (!mac) { | |
5304 | zlog_warn( | |
2853fed6 | 5305 | "Failed to add MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5306 | prefix_mac2str(&macaddr, buf, |
5307 | sizeof(buf)), | |
5308 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5309 | return; |
d62a17ae | 5310 | } |
5311 | ||
5312 | /* Is this MAC created for a MACIP? */ | |
5313 | if (ipa_len) | |
5314 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
d62a17ae | 5315 | } |
5316 | ||
5317 | /* Set "auto" and "remote" forwarding info. */ | |
5318 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5319 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5320 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5321 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5322 | ||
5323 | if (sticky) | |
5324 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5325 | else | |
5326 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5327 | ||
51f4dab4 AK |
5328 | if (remote_gw) |
5329 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5330 | else | |
5331 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5332 | ||
2853fed6 | 5333 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
b6938a74 | 5334 | |
d62a17ae | 5335 | /* Install the entry. */ |
5336 | zvni_mac_install(zvni, mac); | |
5337 | } | |
5338 | ||
5339 | /* If there is no IP, continue - after clearing AUTO flag of | |
5340 | * MAC. */ | |
5341 | if (!ipa_len) { | |
5342 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5343 | continue; | |
5344 | } | |
5345 | ||
5346 | /* Check if the remote neighbor itself is unknown or has a | |
5347 | * change. | |
5348 | * If so, create or update and then install the entry. | |
5349 | */ | |
5350 | n = zvni_neigh_lookup(zvni, &ip); | |
5351 | if (!n || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
7d08917b CS |
5352 | || ((CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) ? 1 : 0) |
5353 | != router_flag) | |
d62a17ae | 5354 | || (memcmp(&n->emac, &macaddr, sizeof(macaddr)) != 0) |
5355 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip)) | |
5356 | update_neigh = 1; | |
5357 | ||
5358 | if (update_neigh) { | |
5359 | if (!n) { | |
b6938a74 | 5360 | n = zvni_neigh_add(zvni, &ip, &macaddr); |
d62a17ae | 5361 | if (!n) { |
5362 | zlog_warn( | |
2853fed6 | 5363 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", |
d62a17ae | 5364 | ipaddr2str(&ip, buf1, |
5365 | sizeof(buf1)), | |
5366 | prefix_mac2str(&macaddr, buf, | |
5367 | sizeof(buf)), | |
5368 | vni, inet_ntoa(vtep_ip)); | |
8068a649 | 5369 | return; |
d62a17ae | 5370 | } |
5371 | ||
d62a17ae | 5372 | } else if (memcmp(&n->emac, &macaddr, sizeof(macaddr)) |
5373 | != 0) { | |
0a97666d MK |
5374 | /* MAC change, update neigh list for old and new |
5375 | * mac */ | |
d62a17ae | 5376 | old_mac = zvni_mac_lookup(zvni, &n->emac); |
0a97666d MK |
5377 | if (old_mac) { |
5378 | listnode_delete(old_mac->neigh_list, n); | |
d62a17ae | 5379 | zvni_deref_ip2mac(zvni, old_mac, 1); |
0a97666d MK |
5380 | } |
5381 | listnode_add_sort(mac->neigh_list, n); | |
b6938a74 | 5382 | memcpy(&n->emac, &macaddr, ETH_ALEN); |
d62a17ae | 5383 | } |
5384 | ||
5385 | /* Set "remote" forwarding info. */ | |
5386 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5387 | /* TODO: Handle MAC change. */ | |
d62a17ae | 5388 | n->r_vtep_ip = vtep_ip; |
5389 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5390 | ||
68e33151 CS |
5391 | /* Set router flag (R-bit) to this Neighbor entry */ |
5392 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
5393 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
7d08917b CS |
5394 | else |
5395 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
68e33151 | 5396 | |
d62a17ae | 5397 | /* Install the entry. */ |
5398 | zvni_neigh_install(zvni, n); | |
5399 | } | |
5400 | } | |
5401 | ||
ec93aa12 | 5402 | stream_failure: |
8068a649 | 5403 | return; |
13d60d35 | 5404 | } |
5405 | ||
5406 | /* | |
2232a77c | 5407 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5408 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5409 | * of any prior local MAC. | |
13d60d35 | 5410 | */ |
d62a17ae | 5411 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5412 | struct interface *br_if, | |
5413 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5414 | { |
d62a17ae | 5415 | struct zebra_if *zif; |
d62a17ae | 5416 | struct zebra_l2info_vxlan *vxl; |
5417 | vni_t vni; | |
5418 | zebra_vni_t *zvni; | |
5419 | zebra_mac_t *mac; | |
5420 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5421 | |
d62a17ae | 5422 | zif = ifp->info; |
5423 | assert(zif); | |
5424 | vxl = &zif->l2info.vxl; | |
5425 | vni = vxl->vni; | |
13d60d35 | 5426 | |
2853fed6 | 5427 | /* Check if EVPN is enabled. */ |
5428 | if (!is_evpn_enabled()) | |
d62a17ae | 5429 | return 0; |
13d60d35 | 5430 | |
d62a17ae | 5431 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5432 | zvni = zvni_lookup(vni); |
d62a17ae | 5433 | if (!zvni) |
5434 | return 0; | |
13d60d35 | 5435 | |
d62a17ae | 5436 | /* If entry doesn't exist, nothing to do. */ |
5437 | mac = zvni_mac_lookup(zvni, macaddr); | |
5438 | if (!mac) | |
5439 | return 0; | |
13d60d35 | 5440 | |
d62a17ae | 5441 | /* Is it a local entry? */ |
5442 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5443 | return 0; | |
13d60d35 | 5444 | |
d62a17ae | 5445 | if (IS_ZEBRA_DEBUG_VXLAN) |
5446 | zlog_debug( | |
2853fed6 | 5447 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5448 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5449 | ifp->ifindex, vni); | |
13d60d35 | 5450 | |
d62a17ae | 5451 | /* Remove MAC from BGP. */ |
ead40654 | 5452 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5453 | |
b6938a74 MK |
5454 | /* |
5455 | * If there are no neigh associated with the mac delete the mac | |
5456 | * else mark it as AUTO for forward reference | |
5457 | */ | |
5458 | if (!listcount(mac->neigh_list)) { | |
5459 | zvni_mac_del(zvni, mac); | |
5460 | } else { | |
5461 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5462 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5463 | } | |
13d60d35 | 5464 | |
d62a17ae | 5465 | return 0; |
13d60d35 | 5466 | } |
5467 | ||
5468 | /* | |
2232a77c | 5469 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5470 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5471 | * so the kernel can ageout the entry. | |
13d60d35 | 5472 | */ |
d62a17ae | 5473 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5474 | struct interface *br_if, | |
5475 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5476 | { |
a9a76262 MK |
5477 | struct zebra_if *zif = NULL; |
5478 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5479 | vni_t vni; |
a9a76262 MK |
5480 | zebra_vni_t *zvni = NULL; |
5481 | zebra_l3vni_t *zl3vni = NULL; | |
5482 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5483 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5484 | |
d62a17ae | 5485 | zif = ifp->info; |
5486 | assert(zif); | |
5487 | vxl = &zif->l2info.vxl; | |
5488 | vni = vxl->vni; | |
2232a77c | 5489 | |
2853fed6 | 5490 | /* Check if EVPN is enabled. */ |
5491 | if (!is_evpn_enabled()) | |
d62a17ae | 5492 | return 0; |
2232a77c | 5493 | |
a9a76262 MK |
5494 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5495 | zl3vni = zl3vni_lookup(vni); | |
5496 | if (zl3vni) | |
5497 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5498 | ||
d62a17ae | 5499 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5500 | zvni = zvni_lookup(vni); |
d62a17ae | 5501 | if (!zvni) |
5502 | return 0; | |
13d60d35 | 5503 | |
d62a17ae | 5504 | /* If entry doesn't exist, nothing to do. */ |
5505 | mac = zvni_mac_lookup(zvni, macaddr); | |
5506 | if (!mac) | |
5507 | return 0; | |
2232a77c | 5508 | |
d62a17ae | 5509 | /* Is it a remote entry? */ |
5510 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5511 | return 0; | |
2232a77c | 5512 | |
d62a17ae | 5513 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5514 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5515 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5516 | ifp->ifindex, vni); | |
13d60d35 | 5517 | |
d62a17ae | 5518 | zvni_mac_install(zvni, mac); |
5519 | return 0; | |
13d60d35 | 5520 | } |
5521 | ||
5522 | /* | |
2232a77c | 5523 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5524 | */ |
d62a17ae | 5525 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5526 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5527 | { |
d62a17ae | 5528 | zebra_vni_t *zvni; |
5529 | zebra_mac_t *mac; | |
d62a17ae | 5530 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5531 | |
d62a17ae | 5532 | /* We are interested in MACs only on ports or (port, VLAN) that |
5533 | * map to a VNI. | |
5534 | */ | |
5535 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5536 | if (!zvni) | |
5537 | return 0; | |
5538 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5539 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC DEL", |
5540 | zvni->vni, zvni); | |
d62a17ae | 5541 | return -1; |
5542 | } | |
13d60d35 | 5543 | |
d62a17ae | 5544 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5545 | zlog_debug("Del MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5546 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5547 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5548 | |
d62a17ae | 5549 | /* If entry doesn't exist, nothing to do. */ |
5550 | mac = zvni_mac_lookup(zvni, macaddr); | |
5551 | if (!mac) | |
5552 | return 0; | |
2232a77c | 5553 | |
d62a17ae | 5554 | /* Is it a local entry? */ |
5555 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5556 | return 0; | |
2232a77c | 5557 | |
d62a17ae | 5558 | /* Remove MAC from BGP. */ |
ead40654 | 5559 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
2232a77c | 5560 | |
b6938a74 | 5561 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5562 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 MK |
5563 | |
5564 | /* | |
5565 | * If there are no neigh associated with the mac delete the mac | |
5566 | * else mark it as AUTO for forward reference | |
5567 | */ | |
5568 | if (!listcount(mac->neigh_list)) { | |
5569 | zvni_mac_del(zvni, mac); | |
5570 | } else { | |
5571 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5572 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5573 | } | |
2232a77c | 5574 | |
d62a17ae | 5575 | return 0; |
13d60d35 | 5576 | } |
5577 | ||
5578 | /* | |
2232a77c | 5579 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5580 | */ |
d62a17ae | 5581 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5582 | struct interface *br_if, | |
5583 | struct ethaddr *macaddr, vlanid_t vid, | |
d7c0a89a | 5584 | uint8_t sticky) |
d62a17ae | 5585 | { |
5586 | zebra_vni_t *zvni; | |
5587 | zebra_mac_t *mac; | |
d62a17ae | 5588 | char buf[ETHER_ADDR_STRLEN]; |
5589 | int add = 1; | |
d7c0a89a | 5590 | uint8_t mac_sticky; |
d62a17ae | 5591 | |
5592 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5593 | * map to a VNI. | |
5594 | */ | |
5595 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5596 | if (!zvni) { | |
5597 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5598 | zlog_debug( | |
2853fed6 | 5599 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5600 | sticky ? "sticky " : "", | |
d62a17ae | 5601 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5602 | ifp->name, ifp->ifindex, vid); | |
5603 | return 0; | |
5604 | } | |
5605 | ||
5606 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5607 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC ADD", |
5608 | zvni->vni, zvni); | |
d62a17ae | 5609 | return -1; |
5610 | } | |
5611 | ||
5612 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
5613 | zlog_debug("Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u", |
5614 | sticky ? "sticky " : "", | |
5615 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, | |
5616 | ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5617 | |
5618 | /* If same entry already exists, nothing to do. */ | |
5619 | mac = zvni_mac_lookup(zvni, macaddr); | |
5620 | if (mac) { | |
5621 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5622 | mac_sticky = CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) | |
5623 | ? 1 | |
5624 | : 0; | |
5625 | ||
b6938a74 | 5626 | |
b8ce75a5 MK |
5627 | /* |
5628 | * return if nothing has changed. | |
5629 | * inform bgp if sticky flag has changed | |
5630 | * update locally and do not inform bgp if local | |
5631 | * parameters like interface has changed | |
5632 | */ | |
d62a17ae | 5633 | if (mac_sticky == sticky |
5634 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5635 | && mac->fwd_info.local.vid == vid) { | |
5636 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5637 | zlog_debug( | |
2853fed6 | 5638 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5639 | "entry exists and has not changed ", |
d62a17ae | 5640 | sticky ? "sticky " : "", |
5641 | prefix_mac2str(macaddr, buf, | |
5642 | sizeof(buf)), | |
5643 | ifp->name, ifp->ifindex, vid, | |
5644 | zvni->vni); | |
5645 | return 0; | |
b6938a74 | 5646 | } else if (mac_sticky != sticky) { |
b8ce75a5 | 5647 | add = 1; |
b6938a74 | 5648 | } else { |
b8ce75a5 MK |
5649 | add = 0; /* This is an update of local |
5650 | interface. */ | |
b6938a74 | 5651 | } |
421bb26a MK |
5652 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5653 | /* | |
5654 | * If we have already learned the MAC as a remote sticky | |
5655 | * MAC, | |
5656 | * this is a operator error and we must log a warning | |
5657 | */ | |
8f4b98ee | 5658 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a MK |
5659 | zlog_warn( |
5660 | "MAC %s is already learnt as a remote sticky mac behind VTEP %s VNI %d", | |
5661 | prefix_mac2str(macaddr, buf, | |
5662 | sizeof(buf)), | |
5663 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5664 | zvni->vni); | |
8f4b98ee MK |
5665 | return 0; |
5666 | } | |
d62a17ae | 5667 | } |
5668 | } | |
5669 | ||
d62a17ae | 5670 | if (!mac) { |
5671 | mac = zvni_mac_add(zvni, macaddr); | |
5672 | if (!mac) { | |
af4c2728 | 5673 | flog_err(ZEBRA_ERR_MAC_ADD_FAILED, |
43e52561 QY |
5674 | "Failed to add MAC %s intf %s(%u) VID %u", |
5675 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5676 | ifp->name, ifp->ifindex, vid); | |
d62a17ae | 5677 | return -1; |
5678 | } | |
5679 | } | |
5680 | ||
5681 | /* Set "local" forwarding info. */ | |
5682 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
b6938a74 | 5683 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
d62a17ae | 5684 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); |
b6938a74 | 5685 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
d62a17ae | 5686 | mac->fwd_info.local.ifindex = ifp->ifindex; |
5687 | mac->fwd_info.local.vid = vid; | |
5688 | ||
5689 | if (sticky) | |
5690 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5691 | else | |
5692 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5693 | ||
5694 | /* Inform BGP if required. */ | |
b6938a74 | 5695 | if (add) { |
2853fed6 | 5696 | zvni_process_neigh_on_local_mac_add(zvni, mac); |
5697 | return zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
ead40654 | 5698 | mac->flags); |
b6938a74 | 5699 | } |
d62a17ae | 5700 | |
5701 | return 0; | |
2232a77c | 5702 | } |
13d60d35 | 5703 | |
5704 | /* | |
5705 | * Handle message from client to delete a remote VTEP for a VNI. | |
5706 | */ | |
89f4e507 | 5707 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5708 | { |
5709 | struct stream *s; | |
d7c0a89a | 5710 | unsigned short l = 0; |
d62a17ae | 5711 | vni_t vni; |
5712 | struct in_addr vtep_ip; | |
5713 | zebra_vni_t *zvni; | |
5714 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5715 | struct interface *ifp; |
5716 | struct zebra_if *zif; | |
d62a17ae | 5717 | |
ec93aa12 | 5718 | if (!is_evpn_enabled()) { |
996c9314 LB |
5719 | zlog_warn( |
5720 | "%s: EVPN is not enabled yet we have received a vtep del command", | |
5721 | __PRETTY_FUNCTION__); | |
8068a649 | 5722 | return; |
ec93aa12 DS |
5723 | } |
5724 | ||
2853fed6 | 5725 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5726 | zlog_warn("Recv MACIP DEL for non-default VRF %u", |
5727 | zvrf_id(zvrf)); | |
8068a649 | 5728 | return; |
2853fed6 | 5729 | } |
5730 | ||
1002497a | 5731 | s = msg; |
d62a17ae | 5732 | |
89f4e507 | 5733 | while (l < hdr->length) { |
d62a17ae | 5734 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5735 | STREAM_GETL(s, vni); |
d62a17ae | 5736 | l += 4; |
ec93aa12 | 5737 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5738 | l += IPV4_MAX_BYTELEN; |
5739 | ||
5740 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5741 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5742 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5743 | zebra_route_string(client->proto)); |
5744 | ||
5745 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5746 | zvni = zvni_lookup(vni); |
d62a17ae | 5747 | if (!zvni) { |
5748 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5749 | zlog_debug( | |
5750 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5751 | "VNI %u", |
5752 | vni); | |
d62a17ae | 5753 | continue; |
5754 | } | |
5755 | ||
b5ebdc9b | 5756 | ifp = zvni->vxlan_if; |
5757 | if (!ifp) { | |
43e52561 | 5758 | zlog_warn( |
60466a63 QY |
5759 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5760 | zvni->vni, zvni); | |
b682f6de | 5761 | continue; |
b5ebdc9b | 5762 | } |
5763 | zif = ifp->info; | |
5764 | ||
5765 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5766 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5767 | continue; |
5768 | ||
d62a17ae | 5769 | /* If the remote VTEP does not exist, there's nothing more to |
5770 | * do. | |
5771 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5772 | * and | |
5773 | * then, the VTEP entry itself and remove it. | |
5774 | */ | |
5775 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5776 | if (!zvtep) | |
5777 | continue; | |
5778 | ||
5779 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5780 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5781 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5782 | zvni_vtep_del(zvni, zvtep); | |
5783 | } | |
5784 | ||
ec93aa12 | 5785 | stream_failure: |
8068a649 | 5786 | return; |
13d60d35 | 5787 | } |
5788 | ||
5789 | /* | |
5790 | * Handle message from client to add a remote VTEP for a VNI. | |
5791 | */ | |
89f4e507 | 5792 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5793 | { |
5794 | struct stream *s; | |
d7c0a89a | 5795 | unsigned short l = 0; |
d62a17ae | 5796 | vni_t vni; |
5797 | struct in_addr vtep_ip; | |
5798 | zebra_vni_t *zvni; | |
b5ebdc9b | 5799 | struct interface *ifp; |
5800 | struct zebra_if *zif; | |
d62a17ae | 5801 | |
ec93aa12 | 5802 | if (!is_evpn_enabled()) { |
996c9314 LB |
5803 | zlog_warn( |
5804 | "%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5805 | __PRETTY_FUNCTION__); | |
8068a649 | 5806 | return; |
ec93aa12 DS |
5807 | } |
5808 | ||
2853fed6 | 5809 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5810 | zlog_warn("Recv MACIP ADD for non-default VRF %u", |
5811 | zvrf_id(zvrf)); | |
8068a649 | 5812 | return; |
2853fed6 | 5813 | } |
d62a17ae | 5814 | |
1002497a | 5815 | s = msg; |
d62a17ae | 5816 | |
89f4e507 | 5817 | while (l < hdr->length) { |
d62a17ae | 5818 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5819 | STREAM_GETL(s, vni); |
d62a17ae | 5820 | l += 4; |
ec93aa12 | 5821 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5822 | l += IPV4_MAX_BYTELEN; |
5823 | ||
5824 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5825 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
5826 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5827 | zebra_route_string(client->proto)); |
5828 | ||
5829 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5830 | zvni = zvni_lookup(vni); |
d62a17ae | 5831 | if (!zvni) { |
af4c2728 | 5832 | flog_err( |
43e52561 | 5833 | ZEBRA_ERR_VTEP_ADD_FAILED, |
2853fed6 | 5834 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
5835 | vni); | |
d62a17ae | 5836 | continue; |
5837 | } | |
b5ebdc9b | 5838 | |
5839 | ifp = zvni->vxlan_if; | |
5840 | if (!ifp) { | |
af4c2728 | 5841 | flog_err( |
43e52561 | 5842 | ZEBRA_ERR_VTEP_ADD_FAILED, |
d62a17ae | 5843 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
5844 | zvni->vni, zvni); | |
5845 | continue; | |
5846 | } | |
5847 | ||
b5ebdc9b | 5848 | zif = ifp->info; |
d62a17ae | 5849 | |
b5ebdc9b | 5850 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 5851 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 5852 | continue; |
5853 | ||
b682f6de | 5854 | /* If the remote VTEP already exists, |
5855 | there's nothing more to do. */ | |
b5ebdc9b | 5856 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 5857 | continue; |
5858 | ||
5859 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
af4c2728 | 5860 | flog_err(ZEBRA_ERR_VTEP_ADD_FAILED, |
43e52561 QY |
5861 | "Failed to add remote VTEP, VNI %u zvni %p", |
5862 | vni, zvni); | |
d62a17ae | 5863 | continue; |
5864 | } | |
5865 | ||
5866 | zvni_vtep_install(zvni, &vtep_ip); | |
5867 | } | |
5868 | ||
ec93aa12 | 5869 | stream_failure: |
8068a649 | 5870 | return; |
13d60d35 | 5871 | } |
5872 | ||
1a98c087 MK |
5873 | /* |
5874 | * Add/Del gateway macip to evpn | |
5875 | * g/w can be: | |
5876 | * 1. SVI interface on a vlan aware bridge | |
5877 | * 2. SVI interface on a vlan unaware bridge | |
5878 | * 3. vrr interface (MACVLAN) associated to a SVI | |
5879 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
5880 | */ | |
5881 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
5882 | int add) | |
5883 | { | |
5884 | struct ipaddr ip; | |
5885 | struct ethaddr macaddr; | |
5886 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
5887 | |
5888 | memset(&ip, 0, sizeof(struct ipaddr)); | |
5889 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
5890 | ||
2853fed6 | 5891 | /* Check if EVPN is enabled. */ |
5892 | if (!is_evpn_enabled()) | |
297a21b6 MK |
5893 | return 0; |
5894 | ||
1a98c087 MK |
5895 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
5896 | struct interface *svi_if = | |
5897 | NULL; /* SVI corresponding to the MACVLAN */ | |
5898 | struct zebra_if *ifp_zif = | |
5899 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
5900 | struct zebra_if *svi_if_zif = | |
5901 | NULL; /* Zebra daemon specific info for SVI*/ | |
5902 | ||
5903 | ifp_zif = ifp->info; | |
5904 | if (!ifp_zif) | |
5905 | return -1; | |
5906 | ||
71349e03 MK |
5907 | /* |
5908 | * for a MACVLAN interface the link represents the svi_if | |
5909 | */ | |
5910 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
5911 | ifp_zif->link_ifindex); | |
1a98c087 | 5912 | if (!svi_if) { |
43e52561 QY |
5913 | zlog_warn("MACVLAN %s(%u) without link information", |
5914 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
5915 | return -1; |
5916 | } | |
5917 | ||
5918 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
5919 | /* |
5920 | * If it is a vlan aware bridge then the link gives the | |
5921 | * bridge information | |
5922 | */ | |
5923 | struct interface *svi_if_link = NULL; | |
5924 | ||
1a98c087 | 5925 | svi_if_zif = svi_if->info; |
71349e03 MK |
5926 | if (svi_if_zif) { |
5927 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
5928 | zebra_ns_lookup(NS_DEFAULT), |
5929 | svi_if_zif->link_ifindex); | |
b7cfce93 | 5930 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 5931 | } |
1a98c087 | 5932 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
5933 | /* |
5934 | * If it is a vlan unaware bridge then svi is the bridge | |
5935 | * itself | |
5936 | */ | |
b7cfce93 | 5937 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
5938 | } |
5939 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
5940 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
5941 | NULL; /* Zebra daemon specific info for SVI */ |
5942 | struct interface *svi_if_link = | |
5943 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
5944 | |
5945 | svi_if_zif = ifp->info; | |
e3bb770c IS |
5946 | if (svi_if_zif) { |
5947 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
5948 | zebra_ns_lookup(NS_DEFAULT), |
5949 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
5950 | if (svi_if_link) |
5951 | zvni = zvni_from_svi(ifp, svi_if_link); | |
5952 | } | |
1a98c087 | 5953 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 5954 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
5955 | } |
5956 | ||
5957 | if (!zvni) | |
5958 | return 0; | |
5959 | ||
5960 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5961 | zlog_warn("VNI %u hash %p doesn't have intf upon MACVLAN up", |
5962 | zvni->vni, zvni); | |
1a98c087 MK |
5963 | return -1; |
5964 | } | |
5965 | ||
1a98c087 | 5966 | |
1a98c087 MK |
5967 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
5968 | ||
5969 | if (p->family == AF_INET) { | |
5970 | ip.ipa_type = IPADDR_V4; | |
5971 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
5972 | sizeof(struct in_addr)); | |
5973 | } else if (p->family == AF_INET6) { | |
5974 | ip.ipa_type = IPADDR_V6; | |
5975 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
5976 | sizeof(struct in6_addr)); | |
5977 | } | |
5978 | ||
5979 | ||
5980 | if (add) | |
5981 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
5982 | else | |
5983 | zvni_gw_macip_del(ifp, zvni, &ip); | |
5984 | ||
5985 | return 0; | |
5986 | } | |
5987 | ||
2232a77c | 5988 | /* |
b7cfce93 MK |
5989 | * Handle SVI interface going down. |
5990 | * SVI can be associated to either L3-VNI or L2-VNI. | |
5991 | * For L2-VNI: At this point, this is a NOP since | |
5992 | * the kernel deletes the neighbor entries on this SVI (if any). | |
5993 | * We only need to update the vrf corresponding to zvni. | |
5994 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
5995 | * from bgp | |
2232a77c | 5996 | */ |
d62a17ae | 5997 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 5998 | { |
b7cfce93 MK |
5999 | zebra_l3vni_t *zl3vni = NULL; |
6000 | ||
6001 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6002 | if (zl3vni) { | |
6003 | ||
6004 | /* process l3-vni down */ | |
6005 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6006 | ||
6007 | /* remove association with svi-if */ | |
6008 | zl3vni->svi_if = NULL; | |
6009 | } else { | |
6010 | zebra_vni_t *zvni = NULL; | |
6011 | ||
6012 | /* since we dont have svi corresponding to zvni, we associate it | |
6013 | * to default vrf. Note: the corresponding neigh entries on the | |
6014 | * SVI would have already been deleted */ | |
6015 | zvni = zvni_from_svi(ifp, link_if); | |
6016 | if (zvni) { | |
6017 | zvni->vrf_id = VRF_DEFAULT; | |
6018 | ||
6019 | /* update the tenant vrf in BGP */ | |
6020 | zvni_send_add_to_client(zvni); | |
6021 | } | |
6022 | } | |
d62a17ae | 6023 | return 0; |
2232a77c | 6024 | } |
6025 | ||
6026 | /* | |
b7cfce93 MK |
6027 | * Handle SVI interface coming up. |
6028 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6029 | * vxlan intf). | |
6030 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6031 | * apr-suppression) | |
6032 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6033 | */ |
d62a17ae | 6034 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6035 | { |
b7cfce93 MK |
6036 | zebra_vni_t *zvni = NULL; |
6037 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6038 | |
b7cfce93 MK |
6039 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6040 | if (zl3vni) { | |
2232a77c | 6041 | |
b7cfce93 MK |
6042 | /* associate with svi */ |
6043 | zl3vni->svi_if = ifp; | |
2232a77c | 6044 | |
b7cfce93 MK |
6045 | /* process oper-up */ |
6046 | if (is_l3vni_oper_up(zl3vni)) | |
6047 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6048 | } else { | |
6049 | ||
6050 | /* process SVI up for l2-vni */ | |
6051 | struct neigh_walk_ctx n_wctx; | |
6052 | ||
6053 | zvni = zvni_from_svi(ifp, link_if); | |
6054 | if (!zvni) | |
6055 | return 0; | |
6056 | ||
6057 | if (!zvni->vxlan_if) { | |
43e52561 QY |
6058 | zlog_warn( |
6059 | "VNI %u hash %p doesn't have intf upon SVI up", | |
6060 | zvni->vni, zvni); | |
b7cfce93 MK |
6061 | return -1; |
6062 | } | |
6063 | ||
6064 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6065 | zlog_debug( |
6066 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6067 | ifp->name, ifp->ifindex, zvni->vni, | |
6068 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6069 | |
b7cfce93 MK |
6070 | /* update the vrf information for l2-vni and inform bgp */ |
6071 | zvni->vrf_id = ifp->vrf_id; | |
6072 | zvni_send_add_to_client(zvni); | |
6073 | ||
6074 | /* Install any remote neighbors for this VNI. */ | |
6075 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6076 | n_wctx.zvni = zvni; | |
996c9314 | 6077 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6078 | &n_wctx); |
6079 | } | |
2232a77c | 6080 | |
d62a17ae | 6081 | return 0; |
2232a77c | 6082 | } |
6083 | ||
13d60d35 | 6084 | /* |
b7cfce93 | 6085 | * Handle VxLAN interface down |
13d60d35 | 6086 | */ |
d62a17ae | 6087 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6088 | { |
d62a17ae | 6089 | vni_t vni; |
b7cfce93 MK |
6090 | struct zebra_if *zif = NULL; |
6091 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6092 | zebra_l3vni_t *zl3vni = NULL; |
6093 | zebra_vni_t *zvni; | |
13d60d35 | 6094 | |
2853fed6 | 6095 | /* Check if EVPN is enabled. */ |
6096 | if (!is_evpn_enabled()) | |
d62a17ae | 6097 | return 0; |
13d60d35 | 6098 | |
d62a17ae | 6099 | zif = ifp->info; |
6100 | assert(zif); | |
6101 | vxl = &zif->l2info.vxl; | |
6102 | vni = vxl->vni; | |
13d60d35 | 6103 | |
643215ce | 6104 | zl3vni = zl3vni_lookup(vni); |
6105 | if (zl3vni) { | |
b7cfce93 | 6106 | /* process-if-down for l3-vni */ |
b7cfce93 | 6107 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6108 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6109 | ifp->ifindex, vni); | |
b7cfce93 | 6110 | |
b7cfce93 | 6111 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6112 | } else { |
6113 | /* process if-down for l2-vni */ | |
b7cfce93 | 6114 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6115 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6116 | ifp->ifindex, vni); | |
13d60d35 | 6117 | |
b7cfce93 MK |
6118 | /* Locate hash entry; it is expected to exist. */ |
6119 | zvni = zvni_lookup(vni); | |
6120 | if (!zvni) { | |
43e52561 | 6121 | zlog_warn( |
b7cfce93 MK |
6122 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6123 | ifp->name, ifp->ifindex, vni); | |
6124 | return -1; | |
6125 | } | |
13d60d35 | 6126 | |
b7cfce93 | 6127 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6128 | |
b7cfce93 MK |
6129 | /* Delete this VNI from BGP. */ |
6130 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6131 | |
b7cfce93 MK |
6132 | /* Free up all neighbors and MACs, if any. */ |
6133 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6134 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6135 | |
b7cfce93 MK |
6136 | /* Free up all remote VTEPs, if any. */ |
6137 | zvni_vtep_del_all(zvni, 1); | |
6138 | } | |
d62a17ae | 6139 | return 0; |
13d60d35 | 6140 | } |
6141 | ||
6142 | /* | |
6143 | * Handle VxLAN interface up - update BGP if required. | |
6144 | */ | |
d62a17ae | 6145 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6146 | { |
d62a17ae | 6147 | vni_t vni; |
b7cfce93 MK |
6148 | struct zebra_if *zif = NULL; |
6149 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6150 | zebra_vni_t *zvni = NULL; |
6151 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6152 | |
2853fed6 | 6153 | /* Check if EVPN is enabled. */ |
6154 | if (!is_evpn_enabled()) | |
d62a17ae | 6155 | return 0; |
13d60d35 | 6156 | |
d62a17ae | 6157 | zif = ifp->info; |
6158 | assert(zif); | |
6159 | vxl = &zif->l2info.vxl; | |
6160 | vni = vxl->vni; | |
13d60d35 | 6161 | |
643215ce | 6162 | zl3vni = zl3vni_lookup(vni); |
6163 | if (zl3vni) { | |
13d60d35 | 6164 | |
b7cfce93 | 6165 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6166 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6167 | ifp->ifindex, vni); | |
13d60d35 | 6168 | |
b7cfce93 | 6169 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6170 | * svi-if only after association with vxlan-intf is complete |
6171 | */ | |
b7cfce93 MK |
6172 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6173 | ||
6174 | if (is_l3vni_oper_up(zl3vni)) | |
6175 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6176 | } else { | |
6177 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6178 | struct interface *vlan_if = NULL; |
6179 | ||
6180 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6181 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6182 | ifp->ifindex, vni); | |
b7cfce93 MK |
6183 | |
6184 | /* Locate hash entry; it is expected to exist. */ | |
6185 | zvni = zvni_lookup(vni); | |
6186 | if (!zvni) { | |
43e52561 | 6187 | zlog_warn( |
b7cfce93 MK |
6188 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6189 | ifp->name, ifp->ifindex, vni); | |
6190 | return -1; | |
6191 | } | |
6192 | ||
6193 | assert(zvni->vxlan_if == ifp); | |
6194 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6195 | zif->brslave_info.br_if); | |
6196 | if (vlan_if) { | |
6197 | zvni->vrf_id = vlan_if->vrf_id; | |
6198 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6199 | if (zl3vni) | |
6200 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6201 | } | |
6202 | ||
6203 | /* If part of a bridge, inform BGP about this VNI. */ | |
6204 | /* Also, read and populate local MACs and neighbors. */ | |
6205 | if (zif->brslave_info.br_if) { | |
6206 | zvni_send_add_to_client(zvni); | |
6207 | zvni_read_mac_neigh(zvni, ifp); | |
6208 | } | |
d62a17ae | 6209 | } |
13d60d35 | 6210 | |
d62a17ae | 6211 | return 0; |
13d60d35 | 6212 | } |
6213 | ||
6214 | /* | |
6215 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6216 | * and update BGP, if required. | |
6217 | */ | |
d62a17ae | 6218 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6219 | { |
d62a17ae | 6220 | vni_t vni; |
b7cfce93 MK |
6221 | struct zebra_if *zif = NULL; |
6222 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6223 | zebra_vni_t *zvni = NULL; |
6224 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6225 | |
2853fed6 | 6226 | /* Check if EVPN is enabled. */ |
6227 | if (!is_evpn_enabled()) | |
d62a17ae | 6228 | return 0; |
13d60d35 | 6229 | |
d62a17ae | 6230 | zif = ifp->info; |
6231 | assert(zif); | |
6232 | vxl = &zif->l2info.vxl; | |
6233 | vni = vxl->vni; | |
13d60d35 | 6234 | |
643215ce | 6235 | zl3vni = zl3vni_lookup(vni); |
6236 | if (zl3vni) { | |
b7cfce93 MK |
6237 | |
6238 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6239 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6240 | ifp->ifindex); | |
13d60d35 | 6241 | |
b7cfce93 MK |
6242 | /* process oper-down for l3-vni */ |
6243 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6244 | |
b7cfce93 | 6245 | /* remove the association with vxlan_if */ |
b67a60d2 | 6246 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6247 | zl3vni->vxlan_if = NULL; |
6248 | } else { | |
13d60d35 | 6249 | |
b7cfce93 | 6250 | /* process if-del for l2-vni*/ |
b7cfce93 | 6251 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6252 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6253 | ifp->ifindex); | |
b7cfce93 MK |
6254 | |
6255 | /* Locate hash entry; it is expected to exist. */ | |
6256 | zvni = zvni_lookup(vni); | |
6257 | if (!zvni) { | |
43e52561 | 6258 | zlog_warn( |
b7cfce93 MK |
6259 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6260 | ifp->name, ifp->ifindex, vni); | |
6261 | return 0; | |
6262 | } | |
6263 | ||
6264 | /* remove from l3-vni list */ | |
6265 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6266 | if (zl3vni) | |
6267 | listnode_delete(zl3vni->l2vnis, zvni); | |
6268 | ||
6269 | /* Delete VNI from BGP. */ | |
6270 | zvni_send_del_to_client(zvni->vni); | |
6271 | ||
6272 | /* Free up all neighbors and MAC, if any. */ | |
6273 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6274 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6275 | ||
6276 | /* Free up all remote VTEPs, if any. */ | |
6277 | zvni_vtep_del_all(zvni, 0); | |
6278 | ||
6279 | /* Delete the hash entry. */ | |
6280 | if (zvni_del(zvni)) { | |
af4c2728 | 6281 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
6282 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6283 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6284 | return -1; |
6285 | } | |
d62a17ae | 6286 | } |
d62a17ae | 6287 | return 0; |
13d60d35 | 6288 | } |
6289 | ||
6290 | /* | |
6291 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6292 | */ | |
d7c0a89a | 6293 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6294 | { |
d62a17ae | 6295 | vni_t vni; |
b7cfce93 MK |
6296 | struct zebra_if *zif = NULL; |
6297 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6298 | zebra_vni_t *zvni = NULL; |
6299 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6300 | |
2853fed6 | 6301 | /* Check if EVPN is enabled. */ |
6302 | if (!is_evpn_enabled()) | |
d62a17ae | 6303 | return 0; |
6304 | ||
6305 | zif = ifp->info; | |
6306 | assert(zif); | |
6307 | vxl = &zif->l2info.vxl; | |
6308 | vni = vxl->vni; | |
6309 | ||
643215ce | 6310 | zl3vni = zl3vni_lookup(vni); |
6311 | if (zl3vni) { | |
af026ae4 | 6312 | |
b7cfce93 MK |
6313 | if (IS_ZEBRA_DEBUG_VXLAN) |
6314 | zlog_debug( | |
6315 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6316 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6317 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6318 | zif->brslave_info.bridge_ifindex, chgflags); |
6319 | ||
6320 | /* Removed from bridge? Cleanup and return */ | |
6321 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6322 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6323 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6324 | return 0; | |
6325 | } | |
6326 | ||
6327 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6328 | * svi_if and then process oper up again |
6329 | */ | |
b7cfce93 MK |
6330 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6331 | if (if_is_operative(ifp)) { | |
6332 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6333 | zl3vni->svi_if = NULL; | |
6334 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6335 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6336 | if (is_l3vni_oper_up(zl3vni)) |
6337 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6338 | zl3vni); |
b7cfce93 MK |
6339 | } |
6340 | } | |
d62a17ae | 6341 | |
12eeac84 MK |
6342 | /* |
6343 | * local-ip change - process oper down, associate with new | |
6344 | * local-ip and then process oper up again | |
6345 | */ | |
6346 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6347 | if (if_is_operative(ifp)) { | |
6348 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6349 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6350 | if (is_l3vni_oper_up(zl3vni)) | |
6351 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6352 | zl3vni); |
12eeac84 MK |
6353 | } |
6354 | } | |
6355 | ||
bca63dc8 MK |
6356 | /* Update local tunnel IP. */ |
6357 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6358 | ||
12eeac84 MK |
6359 | /* if we have a valid new master, process l3-vni oper up */ |
6360 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6361 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6362 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6363 | } | |
6364 | } else { | |
d62a17ae | 6365 | |
b7cfce93 MK |
6366 | /* Update VNI hash. */ |
6367 | zvni = zvni_lookup(vni); | |
6368 | if (!zvni) { | |
43e52561 | 6369 | zlog_warn( |
b7cfce93 MK |
6370 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6371 | ifp->name, ifp->ifindex, vni); | |
6372 | return -1; | |
6373 | } | |
d62a17ae | 6374 | |
b7cfce93 MK |
6375 | if (IS_ZEBRA_DEBUG_VXLAN) |
6376 | zlog_debug( | |
6377 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6378 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6379 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6380 | zif->brslave_info.bridge_ifindex, chgflags); |
6381 | ||
6382 | /* Removed from bridge? Cleanup and return */ | |
6383 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6384 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6385 | /* Delete from client, remove all remote VTEPs */ | |
6386 | /* Also, free up all MACs and neighbors. */ | |
6387 | zvni_send_del_to_client(zvni->vni); | |
6388 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6389 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6390 | zvni_vtep_del_all(zvni, 1); | |
6391 | return 0; | |
6392 | } | |
d62a17ae | 6393 | |
b7cfce93 MK |
6394 | /* Handle other changes. */ |
6395 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6396 | /* Remove all existing local neigh and MACs for this VNI | |
6397 | * (including from BGP) | |
6398 | */ | |
6399 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6400 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6401 | } | |
d62a17ae | 6402 | |
b7cfce93 MK |
6403 | zvni->local_vtep_ip = vxl->vtep_ip; |
6404 | zvni->vxlan_if = ifp; | |
d62a17ae | 6405 | |
b7cfce93 MK |
6406 | /* Take further actions needed. |
6407 | * Note that if we are here, there is a change of interest. | |
6408 | */ | |
6409 | /* If down or not mapped to a bridge, we're done. */ | |
6410 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6411 | return 0; | |
d62a17ae | 6412 | |
b7cfce93 MK |
6413 | /* Inform BGP, if there is a change of interest. */ |
6414 | if (chgflags | |
6415 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6416 | zvni_send_add_to_client(zvni); | |
6417 | ||
6418 | /* If there is a valid new master or a VLAN mapping change, | |
6419 | * read and populate local MACs and neighbors. | |
6420 | * Also, reinstall any remote MACs and neighbors | |
6421 | * for this VNI (based on new VLAN). | |
6422 | */ | |
6423 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6424 | zvni_read_mac_neigh(zvni, ifp); | |
6425 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6426 | struct mac_walk_ctx m_wctx; | |
6427 | struct neigh_walk_ctx n_wctx; | |
6428 | ||
6429 | zvni_read_mac_neigh(zvni, ifp); | |
6430 | ||
6431 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6432 | m_wctx.zvni = zvni; | |
996c9314 | 6433 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6434 | &m_wctx); |
6435 | ||
6436 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6437 | n_wctx.zvni = zvni; | |
6438 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6439 | &n_wctx); | |
6440 | } | |
d62a17ae | 6441 | } |
6442 | ||
6443 | return 0; | |
13d60d35 | 6444 | } |
6445 | ||
6446 | /* | |
6447 | * Handle VxLAN interface add. | |
6448 | */ | |
d62a17ae | 6449 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6450 | { |
d62a17ae | 6451 | vni_t vni; |
b7cfce93 MK |
6452 | struct zebra_if *zif = NULL; |
6453 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6454 | zebra_vni_t *zvni = NULL; |
6455 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6456 | |
2853fed6 | 6457 | /* Check if EVPN is enabled. */ |
6458 | if (!is_evpn_enabled()) | |
d62a17ae | 6459 | return 0; |
13d60d35 | 6460 | |
d62a17ae | 6461 | zif = ifp->info; |
6462 | assert(zif); | |
6463 | vxl = &zif->l2info.vxl; | |
6464 | vni = vxl->vni; | |
13d60d35 | 6465 | |
643215ce | 6466 | zl3vni = zl3vni_lookup(vni); |
6467 | if (zl3vni) { | |
13d60d35 | 6468 | |
b7cfce93 | 6469 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6470 | if (IS_ZEBRA_DEBUG_VXLAN) |
6471 | zlog_debug( | |
6472 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6473 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6474 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6475 | zif->brslave_info.bridge_ifindex); |
6476 | ||
b7cfce93 | 6477 | /* associate with vxlan_if */ |
b67a60d2 | 6478 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6479 | zl3vni->vxlan_if = ifp; |
6480 | ||
6481 | /* Associate with SVI, if any. We can associate with svi-if only | |
6482 | * after association with vxlan_if is complete */ | |
6483 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6484 | ||
6485 | if (is_l3vni_oper_up(zl3vni)) | |
6486 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6487 | } else { | |
6488 | ||
6489 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6490 | struct interface *vlan_if = NULL; |
6491 | ||
6492 | /* Create or update VNI hash. */ | |
6493 | zvni = zvni_lookup(vni); | |
6494 | if (!zvni) { | |
6495 | zvni = zvni_add(vni); | |
6496 | if (!zvni) { | |
af4c2728 | 6497 | flog_err( |
43e52561 | 6498 | ZEBRA_ERR_VNI_ADD_FAILED, |
b7cfce93 MK |
6499 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6500 | ifp->name, ifp->ifindex, vni); | |
6501 | return -1; | |
6502 | } | |
6503 | } | |
6504 | ||
6505 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6506 | zvni->vxlan_if = ifp; | |
6507 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6508 | zif->brslave_info.br_if); | |
6509 | if (vlan_if) { | |
6510 | zvni->vrf_id = vlan_if->vrf_id; | |
6511 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6512 | if (zl3vni) | |
6513 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6514 | } | |
6515 | ||
6516 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6517 | zlog_debug( | |
6518 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6519 | vni, | |
996c9314 LB |
6520 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6521 | : "Default", | |
6522 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6523 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6524 | zif->brslave_info.bridge_ifindex); |
6525 | ||
6526 | /* If down or not mapped to a bridge, we're done. */ | |
6527 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6528 | return 0; | |
6529 | ||
6530 | /* Inform BGP */ | |
6531 | zvni_send_add_to_client(zvni); | |
6532 | ||
6533 | /* Read and populate local MACs and neighbors */ | |
6534 | zvni_read_mac_neigh(zvni, ifp); | |
6535 | } | |
6536 | ||
6537 | return 0; | |
6538 | } | |
6539 | ||
996c9314 LB |
6540 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6541 | char *err, int err_str_sz, int filter, | |
6542 | int add) | |
b7cfce93 MK |
6543 | { |
6544 | zebra_l3vni_t *zl3vni = NULL; | |
6545 | struct zebra_vrf *zvrf_default = NULL; | |
6546 | ||
6547 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6548 | if (!zvrf_default) | |
6549 | return -1; | |
6550 | ||
6551 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6552 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6553 | add ? "ADD" : "DEL"); |
6554 | ||
6555 | if (add) { | |
6556 | ||
6557 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6558 | ||
6559 | /* check if the vni is already present under zvrf */ | |
6560 | if (zvrf->l3vni) { | |
3f02fbab | 6561 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6562 | "VNI is already configured under the vrf"); |
6563 | return -1; | |
6564 | } | |
6565 | ||
6566 | /* check if this VNI is already present in the system */ | |
6567 | zl3vni = zl3vni_lookup(vni); | |
6568 | if (zl3vni) { | |
3f02fbab | 6569 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6570 | "VNI is already configured as L3-VNI"); |
6571 | return -1; | |
6572 | } | |
6573 | ||
6574 | /* add the L3-VNI to the global table */ | |
6575 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6576 | if (!zl3vni) { | |
996c9314 | 6577 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6578 | return -1; |
6579 | } | |
6580 | ||
6581 | /* associate the vrf with vni */ | |
6582 | zvrf->l3vni = vni; | |
6583 | ||
c48d9f5f MK |
6584 | /* set the filter in l3vni to denote if we are using l3vni only |
6585 | * for prefix routes | |
6586 | */ | |
6587 | if (filter) | |
6588 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6589 | ||
b7cfce93 | 6590 | /* associate with vxlan-intf; |
523cafc4 | 6591 | * we need to associate with the vxlan-intf first |
6592 | */ | |
b7cfce93 MK |
6593 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6594 | ||
6595 | /* associate with corresponding SVI interface, we can associate | |
6596 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6597 | * complete |
6598 | */ | |
b7cfce93 MK |
6599 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6600 | ||
6601 | /* formulate l2vni list */ | |
996c9314 LB |
6602 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6603 | zl3vni); | |
b7cfce93 MK |
6604 | |
6605 | if (is_l3vni_oper_up(zl3vni)) | |
6606 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6607 | ||
6608 | } else { | |
6609 | zl3vni = zl3vni_lookup(vni); | |
6610 | if (!zl3vni) { | |
3f02fbab | 6611 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6612 | return -1; |
6613 | } | |
b7cfce93 | 6614 | |
cf299714 MK |
6615 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6616 | snprintf(err, ERR_STR_SZ, | |
6617 | "prefix-routes-only is not set for the vni"); | |
6618 | return -1; | |
6619 | } | |
6620 | ||
b7cfce93 MK |
6621 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6622 | ||
5e06422c | 6623 | /* delete and uninstall all rmacs */ |
996c9314 | 6624 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6625 | zl3vni); |
6626 | ||
6627 | /* delete and uninstall all next-hops */ | |
996c9314 | 6628 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6629 | zl3vni); |
6630 | ||
b7cfce93 MK |
6631 | zvrf->l3vni = 0; |
6632 | zl3vni_del(zl3vni); | |
6633 | ||
6634 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6635 | } |
b7cfce93 MK |
6636 | return 0; |
6637 | } | |
13d60d35 | 6638 | |
84915b0a | 6639 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6640 | { | |
6641 | zebra_l3vni_t *zl3vni = NULL; | |
6642 | ||
6643 | if (zvrf->l3vni) | |
6644 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6645 | if (!zl3vni) | |
6646 | return 0; | |
6647 | ||
6648 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6649 | if (is_l3vni_oper_up(zl3vni)) | |
6650 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6651 | return 0; | |
6652 | } | |
6653 | ||
6654 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6655 | { |
6656 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6657 | |
84915b0a | 6658 | if (zvrf->l3vni) |
6659 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6660 | if (!zl3vni) |
d62a17ae | 6661 | return 0; |
13d60d35 | 6662 | |
84915b0a | 6663 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6664 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6665 | return 0; |
6666 | } | |
6667 | ||
6668 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6669 | { | |
6670 | zebra_l3vni_t *zl3vni = NULL; | |
6671 | vni_t vni; | |
6672 | ||
6673 | if (zvrf->l3vni) | |
6674 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6675 | if (!zl3vni) | |
6676 | return 0; | |
6677 | ||
6678 | vni = zl3vni->vni; | |
b7cfce93 | 6679 | zl3vni_del(zl3vni); |
84915b0a | 6680 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6681 | |
d62a17ae | 6682 | return 0; |
13d60d35 | 6683 | } |
6684 | ||
31310b25 MK |
6685 | /* |
6686 | * Handle message from client to enable/disable advertisement of g/w macip | |
6687 | * routes | |
6688 | */ | |
89f4e507 | 6689 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6690 | { |
6691 | struct stream *s; | |
6692 | int advertise; | |
6693 | vni_t vni = 0; | |
6694 | zebra_vni_t *zvni = NULL; | |
6695 | struct interface *ifp = NULL; | |
6696 | struct zebra_if *zif = NULL; | |
6697 | struct zebra_l2info_vxlan zl2_info; | |
6698 | struct interface *vlan_if = NULL; | |
6699 | ||
6700 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
43e52561 QY |
6701 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6702 | zvrf_id(zvrf)); | |
8068a649 | 6703 | return; |
31310b25 MK |
6704 | } |
6705 | ||
1002497a | 6706 | s = msg; |
2017b3ea | 6707 | STREAM_GETC(s, advertise); |
31310b25 MK |
6708 | vni = stream_get3(s); |
6709 | ||
6710 | zvni = zvni_lookup(vni); | |
6711 | if (!zvni) | |
8068a649 | 6712 | return; |
31310b25 MK |
6713 | |
6714 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6715 | return; |
31310b25 MK |
6716 | |
6717 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6718 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6719 | advertise ? "enabled" : "disabled", vni, | |
6720 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6721 | |
6722 | ||
6723 | zvni->advertise_subnet = advertise; | |
6724 | ||
6725 | ifp = zvni->vxlan_if; | |
6726 | if (!ifp) | |
8068a649 | 6727 | return; |
31310b25 MK |
6728 | |
6729 | zif = ifp->info; | |
6730 | ||
6731 | /* If down or not mapped to a bridge, we're done. */ | |
6732 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6733 | return; |
31310b25 MK |
6734 | |
6735 | zl2_info = zif->l2info.vxl; | |
6736 | ||
996c9314 LB |
6737 | vlan_if = |
6738 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6739 | if (!vlan_if) |
8068a649 | 6740 | return; |
31310b25 MK |
6741 | |
6742 | if (zvni->advertise_subnet) | |
6743 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6744 | else | |
6745 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6746 | |
6747 | stream_failure: | |
6748 | return; | |
31310b25 MK |
6749 | } |
6750 | ||
1a98c087 MK |
6751 | /* |
6752 | * Handle message from client to enable/disable advertisement of g/w macip | |
6753 | * routes | |
6754 | */ | |
89f4e507 | 6755 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6756 | { |
6757 | struct stream *s; | |
6758 | int advertise; | |
6759 | vni_t vni = 0; | |
6760 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6761 | struct interface *ifp = NULL; |
1a98c087 | 6762 | |
2853fed6 | 6763 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
6764 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6765 | zvrf_id(zvrf)); | |
8068a649 | 6766 | return; |
2853fed6 | 6767 | } |
6768 | ||
1002497a | 6769 | s = msg; |
ec93aa12 | 6770 | STREAM_GETC(s, advertise); |
cc6d5476 | 6771 | STREAM_GETL(s, vni); |
1a98c087 MK |
6772 | |
6773 | if (!vni) { | |
6774 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6775 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6776 | advertise ? "enabled" : "disabled", |
2853fed6 | 6777 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6778 | ? "enabled" |
6779 | : "disabled"); | |
6780 | ||
6781 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6782 | return; |
1a98c087 MK |
6783 | |
6784 | zvrf->advertise_gw_macip = advertise; | |
6785 | ||
2853fed6 | 6786 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6787 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6788 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6789 | else |
6790 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6791 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6792 | |
6793 | } else { | |
6794 | struct zebra_if *zif = NULL; | |
6795 | struct zebra_l2info_vxlan zl2_info; | |
6796 | struct interface *vlan_if = NULL; | |
6797 | struct interface *vrr_if = NULL; | |
6798 | ||
01a6143b MK |
6799 | zvni = zvni_lookup(vni); |
6800 | if (!zvni) | |
124ead27 | 6801 | return; |
01a6143b | 6802 | |
1a98c087 MK |
6803 | if (IS_ZEBRA_DEBUG_VXLAN) |
6804 | zlog_debug( | |
2853fed6 | 6805 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6806 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6807 | advertise_gw_macip_enabled(zvni) ? "enabled" |
6808 | : "disabled"); | |
1a98c087 | 6809 | |
1a98c087 | 6810 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 6811 | return; |
1a98c087 MK |
6812 | |
6813 | zvni->advertise_gw_macip = advertise; | |
6814 | ||
b5ebdc9b | 6815 | ifp = zvni->vxlan_if; |
6816 | if (!ifp) | |
8068a649 | 6817 | return; |
b5ebdc9b | 6818 | |
6819 | zif = ifp->info; | |
6820 | ||
6821 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6822 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 6823 | return; |
b5ebdc9b | 6824 | |
1a98c087 MK |
6825 | zl2_info = zif->l2info.vxl; |
6826 | ||
2853fed6 | 6827 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
6828 | zif->brslave_info.br_if); |
6829 | if (!vlan_if) | |
8068a649 | 6830 | return; |
1a98c087 | 6831 | |
2853fed6 | 6832 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
6833 | /* Add primary SVI MAC-IP */ |
6834 | zvni_add_macip_for_intf(vlan_if, zvni); | |
6835 | ||
6836 | /* Add VRR MAC-IP - if any*/ | |
6837 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6838 | if (vrr_if) | |
6839 | zvni_add_macip_for_intf(vrr_if, zvni); | |
6840 | } else { | |
6841 | /* Del primary MAC-IP */ | |
6842 | zvni_del_macip_for_intf(vlan_if, zvni); | |
6843 | ||
6844 | /* Del VRR MAC-IP - if any*/ | |
6845 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
6846 | if (vrr_if) | |
6847 | zvni_del_macip_for_intf(vrr_if, zvni); | |
6848 | } | |
6849 | } | |
6850 | ||
ec93aa12 | 6851 | stream_failure: |
8068a649 | 6852 | return; |
1a98c087 MK |
6853 | } |
6854 | ||
6855 | ||
13d60d35 | 6856 | /* |
6857 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
6858 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
6859 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
6860 | * uninstalled from the kernel. | |
6861 | */ | |
89f4e507 | 6862 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 6863 | { |
655b04d1 MK |
6864 | struct stream *s = NULL; |
6865 | int advertise = 0; | |
6866 | struct zebra_ns *zns = NULL; | |
13d60d35 | 6867 | |
2853fed6 | 6868 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 | 6869 | zlog_warn("EVPN VNI Adv for non-default VRF %u", zvrf_id(zvrf)); |
8068a649 | 6870 | return; |
2853fed6 | 6871 | } |
6872 | ||
1002497a | 6873 | s = msg; |
ec93aa12 | 6874 | STREAM_GETC(s, advertise); |
13d60d35 | 6875 | |
d62a17ae | 6876 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6877 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 6878 | advertise ? "enabled" : "disabled", |
2853fed6 | 6879 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 6880 | |
d62a17ae | 6881 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 6882 | return; |
13d60d35 | 6883 | |
d62a17ae | 6884 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 6885 | if (is_evpn_enabled()) { |
d62a17ae | 6886 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 6887 | zvni_build_hash_table(); |
2232a77c | 6888 | |
1a98c087 MK |
6889 | /* Add all SVI (L3 GW) MACs to BGP*/ |
6890 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 6891 | NULL); |
1a98c087 | 6892 | |
d62a17ae | 6893 | /* Read the MAC FDB */ |
6894 | macfdb_read(zvrf->zns); | |
2232a77c | 6895 | |
d62a17ae | 6896 | /* Read neighbors */ |
6897 | neigh_read(zvrf->zns); | |
6898 | } else { | |
6899 | /* Cleanup VTEPs for all VNIs - uninstall from | |
6900 | * kernel and free entries. | |
6901 | */ | |
6902 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
6903 | |
6904 | /* cleanup all l3vnis */ | |
6905 | zns = zebra_ns_lookup(NS_DEFAULT); | |
6906 | if (!zns) | |
8068a649 | 6907 | return; |
655b04d1 MK |
6908 | |
6909 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 6910 | } |
13d60d35 | 6911 | |
ec93aa12 | 6912 | stream_failure: |
8068a649 | 6913 | return; |
13d60d35 | 6914 | } |
6915 | ||
6916 | /* | |
6917 | * Allocate VNI hash table for this VRF and do other initialization. | |
6918 | * NOTE: Currently supported only for default VRF. | |
6919 | */ | |
d62a17ae | 6920 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6921 | { |
d62a17ae | 6922 | if (!zvrf) |
6923 | return; | |
6924 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
6925 | "Zebra VRF VNI Table"); | |
13d60d35 | 6926 | } |
6927 | ||
84915b0a | 6928 | /* Cleanup VNI info, but don't free the table. */ |
6929 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
6930 | { | |
6931 | if (!zvrf) | |
6932 | return; | |
6933 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
6934 | } | |
6935 | ||
13d60d35 | 6936 | /* Close all VNI handling */ |
d62a17ae | 6937 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 6938 | { |
2853fed6 | 6939 | if (!zvrf) |
6940 | return; | |
d62a17ae | 6941 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 6942 | hash_free(zvrf->vni_table); |
13d60d35 | 6943 | } |
b7cfce93 MK |
6944 | |
6945 | /* init the l3vni table */ | |
6946 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
6947 | { | |
6948 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
6949 | "Zebra VRF L3 VNI table"); | |
6950 | } | |
6951 | ||
6952 | /* free l3vni table */ | |
6953 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
6954 | { | |
6955 | hash_free(zns->l3vni_table); | |
6956 | } | |
d3135ba3 | 6957 | |
6958 | /* get the l3vni svi ifindex */ | |
6959 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
6960 | { | |
6961 | zebra_l3vni_t *zl3vni = NULL; | |
6962 | ||
6963 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6964 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6965 | return 0; | |
6966 | ||
6967 | return zl3vni->svi_if->ifindex; | |
6968 | } |