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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 | |
89272910 | 40 | #include "zebra/zebra_router.h" |
43e52561 QY |
41 | #include "zebra/debug.h" |
42 | #include "zebra/interface.h" | |
13d60d35 | 43 | #include "zebra/rib.h" |
44 | #include "zebra/rt.h" | |
43e52561 QY |
45 | #include "zebra/rt_netlink.h" |
46 | #include "zebra/zebra_errors.h" | |
47 | #include "zebra/zebra_l2.h" | |
48 | #include "zebra/zebra_memory.h" | |
13d60d35 | 49 | #include "zebra/zebra_ns.h" |
13d60d35 | 50 | #include "zebra/zebra_vrf.h" |
13d60d35 | 51 | #include "zebra/zebra_vxlan.h" |
43e52561 QY |
52 | #include "zebra/zebra_vxlan_private.h" |
53 | #include "zebra/zserv.h" | |
13d60d35 | 54 | |
6134fd82 | 55 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 58 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 59 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
60 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 61 | |
62 | /* definitions */ | |
63 | ||
13d60d35 | 64 | /* static function declarations */ |
996c9314 LB |
65 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
66 | uint16_t cmd); | |
cd233079 | 67 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 68 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
69 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 70 | void **args); |
c0e519d3 MK |
71 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
72 | json_object *json); | |
316f4ca4 MK |
73 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
74 | json_object *json); | |
24cdbd0d | 75 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json); |
d62a17ae | 76 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); |
77 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
78 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
79 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 80 | |
996c9314 | 81 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 82 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 83 | uint32_t seq, uint16_t cmd); |
d62a17ae | 84 | static unsigned int neigh_hash_keymake(void *p); |
d62a17ae | 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 | 95 | struct ethaddr *macaddr, |
f07e1c99 | 96 | uint8_t flags, uint32_t seq); |
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); |
74df8d6d | 140 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 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, |
f07e1c99 | 150 | uint8_t flags, uint32_t seq); |
e98e4b88 | 151 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr); |
d62a17ae | 152 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
153 | struct interface *br_if, vlanid_t vid); | |
154 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 155 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
d62a17ae | 156 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); |
157 | ||
158 | static unsigned int vni_hash_keymake(void *p); | |
d62a17ae | 159 | static void *zvni_alloc(void *p); |
2853fed6 | 160 | static zebra_vni_t *zvni_lookup(vni_t vni); |
161 | static zebra_vni_t *zvni_add(vni_t vni); | |
162 | static int zvni_del(zebra_vni_t *zvni); | |
163 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
164 | static int zvni_send_del_to_client(vni_t vni); | |
165 | static void zvni_build_hash_table(); | |
d62a17ae | 166 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
167 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
168 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
169 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
170 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
171 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
172 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
173 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
174 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
175 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
176 | struct ethaddr *macaddr, struct ipaddr *ip); | |
177 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
178 | struct ipaddr *ip); | |
179 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 180 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
fe697c6b | 181 | static int remote_neigh_count(zebra_mac_t *zmac); |
182 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
13d60d35 | 183 | |
184 | /* Private functions */ | |
5e1b0650 | 185 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 186 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
187 | { |
188 | if (hle1->p.family < hle2->p.family) | |
189 | return -1; | |
190 | ||
191 | if (hle1->p.family > hle2->p.family) | |
192 | return 1; | |
193 | ||
194 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
195 | return -1; | |
196 | ||
197 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
198 | return 1; | |
199 | ||
200 | if (hle1->p.family == AF_INET) { | |
201 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
202 | return -1; | |
203 | ||
204 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
205 | return 1; | |
206 | ||
207 | return 0; | |
2acc2310 DS |
208 | } else if (hle1->p.family == AF_INET6) { |
209 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
210 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 211 | } else { |
9df414fe QY |
212 | zlog_debug("%s: Unexpected family type: %d", |
213 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
214 | return 0; |
215 | } | |
216 | } | |
85442b09 | 217 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 218 | |
85442b09 | 219 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
220 | { |
221 | struct host_rb_entry *hle; | |
222 | uint32_t count = 0; | |
223 | ||
85442b09 | 224 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
225 | count++; |
226 | ||
227 | return count; | |
228 | } | |
13d60d35 | 229 | |
790f8dc5 | 230 | /* |
231 | * Return number of valid MACs in a VNI's MAC hash table - all | |
232 | * remote MACs and non-internal (auto) local MACs count. | |
233 | */ | |
d7c0a89a | 234 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 235 | { |
236 | unsigned int i; | |
d7c0a89a | 237 | uint32_t num_macs = 0; |
790f8dc5 | 238 | struct hash *hash; |
239 | struct hash_backet *hb; | |
240 | zebra_mac_t *mac; | |
241 | ||
242 | hash = zvni->mac_table; | |
243 | if (!hash) | |
244 | return num_macs; | |
245 | for (i = 0; i < hash->size; i++) { | |
246 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
247 | mac = (zebra_mac_t *)hb->data; | |
248 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 249 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 250 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
251 | num_macs++; | |
252 | } | |
253 | } | |
254 | ||
255 | return num_macs; | |
256 | } | |
257 | ||
2853fed6 | 258 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 259 | { |
2853fed6 | 260 | struct zebra_vrf *zvrf; |
261 | ||
262 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
263 | if (zvrf && zvrf->advertise_gw_macip) |
264 | return 1; | |
265 | ||
266 | if (zvni && zvni->advertise_gw_macip) | |
267 | return 1; | |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
cec2e17d | 272 | /* |
273 | * Helper function to determine maximum width of neighbor IP address for | |
274 | * display - just because we're dealing with IPv6 addresses that can | |
275 | * widely vary. | |
276 | */ | |
d62a17ae | 277 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 278 | { |
d62a17ae | 279 | zebra_neigh_t *n; |
280 | char buf[INET6_ADDRSTRLEN]; | |
281 | struct neigh_walk_ctx *wctx = ctxt; | |
282 | int width; | |
cec2e17d | 283 | |
d62a17ae | 284 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 285 | |
1445b43c A |
286 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
287 | width = strlen(buf); | |
d62a17ae | 288 | if (width > wctx->addr_width) |
289 | wctx->addr_width = width; | |
68e33151 | 290 | |
cec2e17d | 291 | } |
292 | ||
293 | /* | |
294 | * Print a specific neighbor entry. | |
295 | */ | |
cd233079 | 296 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 297 | { |
d62a17ae | 298 | struct vty *vty; |
299 | char buf1[ETHER_ADDR_STRLEN]; | |
300 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 301 | const char *type_str; |
302 | const char *state_str; | |
303 | bool flags_present = false; | |
cec2e17d | 304 | |
cd233079 CS |
305 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
306 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 307 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
308 | "local" : "remote"; | |
309 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
310 | vty = (struct vty *)ctxt; |
311 | if (json == NULL) { | |
312 | vty_out(vty, "IP: %s\n", | |
313 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 314 | vty_out(vty, " Type: %s\n", type_str); |
315 | vty_out(vty, " State: %s\n", state_str); | |
316 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
317 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
318 | } else { | |
319 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 320 | json_object_string_add(json, "type", type_str); |
321 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
322 | json_object_string_add(json, "mac", buf1); |
323 | } | |
324 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 325 | if (json == NULL) { |
1a8c5c38 | 326 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 327 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 328 | } else |
cd233079 CS |
329 | json_object_string_add(json, "remoteVtep", |
330 | inet_ntoa(n->r_vtep_ip)); | |
331 | } | |
ead40654 | 332 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 333 | if (!json) { |
334 | vty_out(vty, " Flags: Default-gateway"); | |
335 | flags_present = true; | |
336 | } else | |
ead40654 MK |
337 | json_object_boolean_true_add(json, "defaultGateway"); |
338 | } | |
68e33151 | 339 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 340 | if (!json) { |
341 | vty_out(vty, | |
342 | flags_present ? " ,Router" : " Flags: Router"); | |
343 | flags_present = true; | |
344 | } | |
68e33151 | 345 | } |
f07e1c99 | 346 | if (json == NULL) { |
1a8c5c38 | 347 | if (flags_present) |
348 | vty_out(vty, "\n"); | |
349 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 350 | n->loc_seq, n->rem_seq); |
1a8c5c38 | 351 | } else { |
352 | json_object_int_add(json, "localSequence", n->loc_seq); | |
353 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
68e33151 | 354 | } |
cec2e17d | 355 | } |
356 | ||
357 | /* | |
358 | * Print neighbor hash entry - called for display of all neighbors. | |
359 | */ | |
d62a17ae | 360 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
361 | { | |
362 | struct vty *vty; | |
cd233079 | 363 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 364 | zebra_neigh_t *n; |
365 | char buf1[ETHER_ADDR_STRLEN]; | |
366 | char buf2[INET6_ADDRSTRLEN]; | |
367 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 368 | const char *state_str; |
d62a17ae | 369 | |
370 | vty = wctx->vty; | |
cd233079 | 371 | json_vni = wctx->json; |
d62a17ae | 372 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 373 | |
cd233079 CS |
374 | if (json_vni) |
375 | json_row = json_object_new_object(); | |
376 | ||
d62a17ae | 377 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
378 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 379 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
380 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
381 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
382 | return; | |
383 | ||
cd233079 | 384 | if (json_vni == NULL) { |
1a8c5c38 | 385 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
386 | -wctx->addr_width, buf2, "local", | |
387 | state_str, buf1); | |
cd233079 CS |
388 | } else { |
389 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 390 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 391 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 392 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
393 | json_object_boolean_true_add( | |
394 | json_row, "defaultGateway"); | |
395 | json_object_int_add(json_row, "localSequence", | |
396 | n->loc_seq); | |
397 | json_object_int_add(json_row, "remoteSequence", | |
398 | n->rem_seq); | |
cd233079 | 399 | } |
d62a17ae | 400 | wctx->count++; |
1a8c5c38 | 401 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
402 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
403 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
404 | return; | |
405 | ||
406 | if (json_vni == NULL) { | |
407 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
408 | (wctx->count == 0)) | |
409 | vty_out(vty, | |
410 | "%*s %-6s %-8s %-17s %-21s\n", | |
411 | -wctx->addr_width, "Neighbor", "Type", | |
412 | "State", "MAC", "Remote VTEP"); | |
413 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
414 | -wctx->addr_width, buf2, "remote", state_str, | |
415 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 416 | } else { |
1a8c5c38 | 417 | json_object_string_add(json_row, "type", "remote"); |
418 | json_object_string_add(json_row, "state", state_str); | |
419 | json_object_string_add(json_row, "mac", buf1); | |
420 | json_object_string_add(json_row, "remoteVtep", | |
421 | inet_ntoa(n->r_vtep_ip)); | |
422 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
423 | json_object_boolean_true_add(json_row, | |
424 | "defaultGateway"); | |
425 | json_object_int_add(json_row, "localSequence", | |
426 | n->loc_seq); | |
427 | json_object_int_add(json_row, "remoteSequence", | |
428 | n->rem_seq); | |
d62a17ae | 429 | } |
1a8c5c38 | 430 | wctx->count++; |
d62a17ae | 431 | } |
cd233079 CS |
432 | |
433 | if (json_vni) | |
434 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 435 | } |
436 | ||
437 | /* | |
438 | * Print neighbors for all VNI. | |
439 | */ | |
d62a17ae | 440 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 441 | void **args) |
cec2e17d | 442 | { |
d62a17ae | 443 | struct vty *vty; |
cd233079 | 444 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 445 | zebra_vni_t *zvni; |
d7c0a89a | 446 | uint32_t num_neigh; |
d62a17ae | 447 | struct neigh_walk_ctx wctx; |
cd233079 CS |
448 | char vni_str[VNI_STR_LEN]; |
449 | ||
450 | vty = (struct vty *)args[0]; | |
451 | json = (json_object *)args[1]; | |
cec2e17d | 452 | |
d62a17ae | 453 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 454 | |
d62a17ae | 455 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 456 | if (json == NULL) { |
cd233079 CS |
457 | vty_out(vty, |
458 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
459 | zvni->vni, num_neigh); | |
68e33151 | 460 | } else { |
cd233079 CS |
461 | json_vni = json_object_new_object(); |
462 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
463 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
464 | } | |
465 | if (!num_neigh) { | |
466 | if (json) | |
467 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 468 | return; |
cd233079 | 469 | } |
cec2e17d | 470 | |
d62a17ae | 471 | /* Since we have IPv6 addresses to deal with which can vary widely in |
472 | * size, we try to be a bit more elegant in display by first computing | |
473 | * the maximum width. | |
474 | */ | |
475 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
476 | wctx.zvni = zvni; | |
477 | wctx.vty = vty; | |
478 | wctx.addr_width = 15; | |
cd233079 | 479 | wctx.json = json_vni; |
d62a17ae | 480 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 481 | |
68e33151 | 482 | if (json == NULL) { |
1a8c5c38 | 483 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
484 | -wctx.addr_width, "IP", "Type", | |
485 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 486 | } |
d62a17ae | 487 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
488 | |
489 | if (json) | |
490 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 491 | } |
492 | ||
9aa741ea | 493 | /* print a specific next hop for an l3vni */ |
996c9314 | 494 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 495 | json_object *json) |
9aa741ea MK |
496 | { |
497 | char buf1[ETHER_ADDR_STRLEN]; | |
498 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 499 | json_object *json_hosts = NULL; |
f2a503f0 | 500 | struct host_rb_entry *hle; |
9aa741ea | 501 | |
c0e519d3 MK |
502 | if (!json) { |
503 | vty_out(vty, "Ip: %s\n", | |
504 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
505 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 506 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
507 | vty_out(vty, " Refcount: %d\n", |
508 | rb_host_count(&n->host_rb)); | |
4cce389e | 509 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 510 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 511 | vty_out(vty, " %s\n", |
f2a503f0 | 512 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
513 | } else { |
514 | json_hosts = json_object_new_array(); | |
996c9314 LB |
515 | json_object_string_add( |
516 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
517 | json_object_string_add( | |
518 | json, "routerMac", | |
519 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
520 | json_object_int_add(json, "refCount", |
521 | rb_host_count(&n->host_rb)); | |
85442b09 | 522 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 523 | json_object_array_add(json_hosts, |
996c9314 | 524 | json_object_new_string(prefix2str( |
f2a503f0 | 525 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 526 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 527 | } |
9aa741ea MK |
528 | } |
529 | ||
530 | /* Print a specific RMAC entry */ | |
996c9314 | 531 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 532 | json_object *json) |
9aa741ea MK |
533 | { |
534 | char buf1[ETHER_ADDR_STRLEN]; | |
535 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 536 | json_object *json_hosts = NULL; |
5e1b0650 | 537 | struct host_rb_entry *hle; |
9aa741ea | 538 | |
316f4ca4 MK |
539 | if (!json) { |
540 | vty_out(vty, "MAC: %s\n", | |
541 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
542 | vty_out(vty, " Remote VTEP: %s\n", | |
543 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 544 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 545 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 546 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 547 | vty_out(vty, " %s\n", |
5e1b0650 | 548 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
549 | } else { |
550 | json_hosts = json_object_new_array(); | |
996c9314 LB |
551 | json_object_string_add( |
552 | json, "routerMac", | |
553 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 554 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 555 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
556 | json_object_int_add(json, "refCount", |
557 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 558 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
559 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 560 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
561 | json_object_array_add( |
562 | json_hosts, | |
563 | json_object_new_string(prefix2str( | |
564 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 565 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 566 | } |
9aa741ea MK |
567 | } |
568 | ||
cec2e17d | 569 | /* |
570 | * Print a specific MAC entry. | |
571 | */ | |
24cdbd0d | 572 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) |
d62a17ae | 573 | { |
574 | struct vty *vty; | |
b6938a74 MK |
575 | zebra_neigh_t *n = NULL; |
576 | struct listnode *node = NULL; | |
d62a17ae | 577 | char buf1[20]; |
b6938a74 | 578 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 579 | |
580 | vty = (struct vty *)ctxt; | |
24cdbd0d | 581 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); |
d62a17ae | 582 | |
24cdbd0d DS |
583 | if (json) { |
584 | json_object *json_mac = json_object_new_object(); | |
585 | ||
586 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
587 | struct zebra_ns *zns; | |
588 | struct interface *ifp; | |
589 | ifindex_t ifindex; | |
590 | ||
591 | ifindex = mac->fwd_info.local.ifindex; | |
592 | zns = zebra_ns_lookup(NS_DEFAULT); | |
593 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
594 | if (!ifp) | |
595 | return; | |
596 | json_object_string_add(json_mac, "type", "local"); | |
597 | json_object_string_add(json_mac, "intf", ifp->name); | |
598 | json_object_int_add(json_mac, "ifindex", ifindex); | |
599 | if (mac->fwd_info.local.vid) | |
600 | json_object_int_add(json_mac, "vlan", | |
601 | mac->fwd_info.local.vid); | |
602 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
603 | json_object_string_add(json_mac, "type", "remote"); | |
604 | json_object_string_add( | |
605 | json_mac, "remoteVtep", | |
606 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
607 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
29611019 | 608 | json_object_string_add(json_mac, "type", "auto"); |
b6938a74 | 609 | |
24cdbd0d DS |
610 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
611 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
ead40654 | 612 | |
24cdbd0d DS |
613 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
614 | json_object_boolean_true_add(json_mac, | |
615 | "defaultGateway"); | |
ead40654 | 616 | |
24cdbd0d DS |
617 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
618 | json_object_boolean_true_add(json_mac, | |
619 | "remoteGatewayMac"); | |
51f4dab4 | 620 | |
24cdbd0d DS |
621 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
622 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
f07e1c99 | 623 | |
24cdbd0d DS |
624 | /* print all the associated neigh */ |
625 | if (!listcount(mac->neigh_list)) | |
626 | json_object_string_add(json_mac, "neighbors", "none"); | |
627 | else { | |
628 | json_object *json_active_nbrs = json_object_new_array(); | |
629 | json_object *json_inactive_nbrs = | |
630 | json_object_new_array(); | |
631 | json_object *json_nbrs = json_object_new_object(); | |
632 | ||
633 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
634 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
635 | json_object_array_add( | |
636 | json_active_nbrs, | |
637 | json_object_new_string( | |
638 | ipaddr2str( | |
639 | &n->ip, buf2, | |
640 | sizeof(buf2)))); | |
641 | else | |
642 | json_object_array_add( | |
643 | json_inactive_nbrs, | |
644 | json_object_new_string( | |
645 | ipaddr2str( | |
646 | &n->ip, buf2, | |
647 | sizeof(buf2)))); | |
648 | } | |
649 | ||
650 | json_object_object_add(json_nbrs, "active", | |
651 | json_active_nbrs); | |
652 | json_object_object_add(json_nbrs, "inactive", | |
653 | json_inactive_nbrs); | |
654 | json_object_object_add(json_mac, "neighbors", | |
655 | json_nbrs); | |
b6938a74 | 656 | } |
b6938a74 | 657 | |
24cdbd0d DS |
658 | json_object_object_add(json, buf1, json_mac); |
659 | vty_out(vty, "%s\n", | |
660 | json_object_to_json_string_ext( | |
661 | json, JSON_C_TO_STRING_PRETTY)); | |
662 | json_object_free(json); | |
663 | } else { | |
664 | vty_out(vty, "MAC: %s\n", buf1); | |
665 | ||
666 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
667 | struct zebra_ns *zns; | |
668 | struct interface *ifp; | |
669 | ifindex_t ifindex; | |
670 | ||
671 | ifindex = mac->fwd_info.local.ifindex; | |
672 | zns = zebra_ns_lookup(NS_DEFAULT); | |
673 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
674 | if (!ifp) | |
675 | return; | |
676 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
677 | if (mac->fwd_info.local.vid) | |
678 | vty_out(vty, " VLAN: %u", | |
679 | mac->fwd_info.local.vid); | |
680 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
681 | vty_out(vty, " Remote VTEP: %s", | |
682 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
683 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
684 | vty_out(vty, " Auto Mac "); | |
685 | } | |
686 | ||
687 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
688 | vty_out(vty, " Sticky Mac "); | |
689 | ||
690 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
691 | vty_out(vty, " Default-gateway Mac "); | |
692 | ||
693 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
694 | vty_out(vty, " Remote-gateway Mac "); | |
695 | ||
696 | vty_out(vty, "\n"); | |
697 | vty_out(vty, " Local Seq: %u Remote Seq: %u", mac->loc_seq, | |
698 | mac->rem_seq); | |
699 | vty_out(vty, "\n"); | |
700 | ||
701 | /* print all the associated neigh */ | |
702 | vty_out(vty, " Neighbors:\n"); | |
703 | if (!listcount(mac->neigh_list)) | |
704 | vty_out(vty, " No Neighbors\n"); | |
705 | else { | |
706 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
707 | vty_out(vty, " %s %s\n", | |
708 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
709 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
710 | ? "Active" | |
711 | : "Inactive")); | |
712 | } | |
713 | } | |
714 | ||
715 | vty_out(vty, "\n"); | |
716 | } | |
cec2e17d | 717 | } |
718 | ||
719 | /* | |
720 | * Print MAC hash entry - called for display of all MACs. | |
721 | */ | |
d62a17ae | 722 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
723 | { | |
724 | struct vty *vty; | |
cd233079 | 725 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 726 | zebra_mac_t *mac; |
727 | char buf1[20]; | |
728 | struct mac_walk_ctx *wctx = ctxt; | |
729 | ||
730 | vty = wctx->vty; | |
cd233079 | 731 | json_mac_hdr = wctx->json; |
d62a17ae | 732 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 733 | |
734 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
735 | |
736 | if (json_mac_hdr) | |
737 | json_mac = json_object_new_object(); | |
738 | ||
1a8c5c38 | 739 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 740 | struct zebra_ns *zns; |
741 | ifindex_t ifindex; | |
742 | struct interface *ifp; | |
743 | vlanid_t vid; | |
744 | ||
1a8c5c38 | 745 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
746 | return; | |
747 | ||
d62a17ae | 748 | zns = zebra_ns_lookup(NS_DEFAULT); |
749 | ifindex = mac->fwd_info.local.ifindex; | |
750 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
751 | if (!ifp) // unexpected | |
752 | return; | |
753 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
754 | if (json_mac_hdr == NULL) |
755 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
756 | ifp->name); | |
757 | else { | |
758 | json_object_string_add(json_mac, "type", "local"); | |
759 | json_object_string_add(json_mac, "intf", ifp->name); | |
760 | } | |
761 | if (vid) { | |
762 | if (json_mac_hdr == NULL) | |
763 | vty_out(vty, " %-5u", vid); | |
764 | else | |
765 | json_object_int_add(json_mac, "vlan", vid); | |
766 | } | |
1a8c5c38 | 767 | if (json_mac_hdr == NULL) { |
cd233079 | 768 | vty_out(vty, "\n"); |
1a8c5c38 | 769 | } else { |
770 | json_object_int_add(json_mac, "localSequence", | |
771 | mac->loc_seq); | |
772 | json_object_int_add(json_mac, "remoteSequence", | |
773 | mac->rem_seq); | |
cd233079 | 774 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 775 | } |
776 | ||
d62a17ae | 777 | wctx->count++; |
1a8c5c38 | 778 | |
b6938a74 | 779 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 780 | |
781 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
782 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
783 | &wctx->r_vtep_ip)) | |
784 | return; | |
785 | ||
786 | if (json_mac_hdr == NULL) { | |
787 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
788 | (wctx->count == 0)) { | |
789 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
790 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
791 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 792 | } |
1a8c5c38 | 793 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
794 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 795 | } else { |
1a8c5c38 | 796 | json_object_string_add(json_mac, "type", "remote"); |
797 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 798 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 799 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
800 | json_object_int_add(json_mac, "localSequence", | |
801 | mac->loc_seq); | |
802 | json_object_int_add(json_mac, "remoteSequence", | |
803 | mac->rem_seq); | |
d62a17ae | 804 | } |
1a8c5c38 | 805 | |
806 | wctx->count++; | |
d62a17ae | 807 | } |
cec2e17d | 808 | } |
809 | ||
810 | /* | |
811 | * Print MACs for all VNI. | |
812 | */ | |
d62a17ae | 813 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 814 | { |
d62a17ae | 815 | struct vty *vty; |
cd233079 CS |
816 | json_object *json = NULL, *json_vni = NULL; |
817 | json_object *json_mac = NULL; | |
d62a17ae | 818 | zebra_vni_t *zvni; |
d7c0a89a | 819 | uint32_t num_macs; |
d62a17ae | 820 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 821 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 822 | |
d62a17ae | 823 | vty = (struct vty *)wctx->vty; |
cd233079 | 824 | json = (struct json_object *)wctx->json; |
cec2e17d | 825 | |
d62a17ae | 826 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 827 | wctx->zvni = zvni; |
cec2e17d | 828 | |
d62a17ae | 829 | /*We are iterating over a new VNI, set the count to 0*/ |
830 | wctx->count = 0; | |
cec2e17d | 831 | |
790f8dc5 | 832 | num_macs = num_valid_macs(zvni); |
d62a17ae | 833 | if (!num_macs) |
834 | return; | |
cd233079 CS |
835 | |
836 | if (json) { | |
837 | json_vni = json_object_new_object(); | |
838 | json_mac = json_object_new_object(); | |
839 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 840 | } |
cec2e17d | 841 | |
cd233079 CS |
842 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
843 | if (json == NULL) { | |
844 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
845 | zvni->vni, num_macs); | |
846 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
847 | "Intf/Remote VTEP", "VLAN"); | |
848 | } else | |
849 | json_object_int_add(json_vni, "numMacs", num_macs); | |
850 | } | |
851 | /* assign per-vni to wctx->json object to fill macs | |
852 | * under the vni. Re-assign primary json object to fill | |
853 | * next vni information. | |
854 | */ | |
855 | wctx->json = json_mac; | |
d62a17ae | 856 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
857 | wctx->json = json; |
858 | if (json) { | |
859 | if (wctx->count) | |
860 | json_object_object_add(json_vni, "macs", json_mac); | |
861 | json_object_object_add(json, vni_str, json_vni); | |
862 | } | |
cec2e17d | 863 | } |
864 | ||
996c9314 | 865 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
866 | { |
867 | struct nh_walk_ctx *wctx = NULL; | |
868 | struct vty *vty = NULL; | |
32798965 | 869 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
870 | struct json_object *json_nh = NULL; |
871 | zebra_neigh_t *n = NULL; | |
872 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 873 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
874 | |
875 | wctx = (struct nh_walk_ctx *)ctx; | |
876 | vty = wctx->vty; | |
32798965 MK |
877 | json_vni = wctx->json; |
878 | if (json_vni) | |
b7cfce93 MK |
879 | json_nh = json_object_new_object(); |
880 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 881 | |
32798965 | 882 | if (!json_vni) { |
4cce389e | 883 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 884 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 885 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 886 | } else { |
4cce389e | 887 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 888 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
889 | json_object_string_add( |
890 | json_nh, "routerMac", | |
891 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
892 | json_object_object_add(json_vni, |
893 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
894 | json_nh); | |
b7cfce93 MK |
895 | } |
896 | } | |
897 | ||
2dbad57f | 898 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 899 | void **args) |
2dbad57f | 900 | { |
901 | struct vty *vty = NULL; | |
902 | json_object *json = NULL; | |
903 | json_object *json_vni = NULL; | |
2dbad57f | 904 | zebra_l3vni_t *zl3vni = NULL; |
905 | uint32_t num_nh = 0; | |
32798965 | 906 | struct nh_walk_ctx wctx; |
2dbad57f | 907 | char vni_str[VNI_STR_LEN]; |
908 | ||
32798965 MK |
909 | vty = (struct vty *)args[0]; |
910 | json = (struct json_object *)args[1]; | |
2dbad57f | 911 | |
912 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 913 | |
914 | num_nh = hashcount(zl3vni->nh_table); | |
915 | if (!num_nh) | |
916 | return; | |
917 | ||
918 | if (json) { | |
919 | json_vni = json_object_new_object(); | |
2dbad57f | 920 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
921 | } | |
922 | ||
923 | if (json == NULL) { | |
996c9314 | 924 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 925 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 926 | } else |
4cce389e | 927 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 928 | |
32798965 MK |
929 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
930 | wctx.vty = vty; | |
931 | wctx.json = json_vni; | |
932 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
933 | if (json) | |
2dbad57f | 934 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 935 | } |
936 | ||
b7cfce93 | 937 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 938 | void **args) |
b7cfce93 MK |
939 | { |
940 | struct vty *vty = NULL; | |
941 | json_object *json = NULL; | |
942 | json_object *json_vni = NULL; | |
b7cfce93 | 943 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 944 | uint32_t num_rmacs; |
c0b4eaa4 | 945 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
946 | char vni_str[VNI_STR_LEN]; |
947 | ||
c0b4eaa4 MK |
948 | vty = (struct vty *)args[0]; |
949 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
950 | |
951 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
952 | |
953 | num_rmacs = hashcount(zl3vni->rmac_table); | |
954 | if (!num_rmacs) | |
955 | return; | |
956 | ||
957 | if (json) { | |
958 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
959 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
960 | } | |
961 | ||
962 | if (json == NULL) { | |
996c9314 | 963 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 964 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
965 | } else |
966 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
967 | ||
968 | /* assign per-vni to wctx->json object to fill macs | |
969 | * under the vni. Re-assign primary json object to fill | |
970 | * next vni information. | |
971 | */ | |
c0b4eaa4 MK |
972 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
973 | wctx.vty = vty; | |
974 | wctx.json = json_vni; | |
975 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
976 | if (json) | |
b7cfce93 | 977 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
978 | } |
979 | ||
996c9314 | 980 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
981 | { |
982 | zebra_mac_t *zrmac = NULL; | |
983 | struct rmac_walk_ctx *wctx = NULL; | |
984 | struct vty *vty = NULL; | |
985 | struct json_object *json = NULL; | |
986 | struct json_object *json_rmac = NULL; | |
987 | char buf[ETHER_ADDR_STRLEN]; | |
988 | ||
989 | wctx = (struct rmac_walk_ctx *)ctx; | |
990 | vty = wctx->vty; | |
991 | json = wctx->json; | |
992 | if (json) | |
993 | json_rmac = json_object_new_object(); | |
994 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
995 | |
996 | if (!json) { | |
4cce389e | 997 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 998 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 999 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 1000 | } else { |
996c9314 LB |
1001 | json_object_string_add( |
1002 | json_rmac, "routerMac", | |
1003 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 1004 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 1005 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
1006 | json_object_object_add( |
1007 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
1008 | json_rmac); | |
b7cfce93 MK |
1009 | } |
1010 | } | |
1011 | ||
1012 | /* print a specific L3 VNI entry */ | |
1013 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
1014 | { | |
1015 | char buf[ETHER_ADDR_STRLEN]; | |
1016 | struct vty *vty = NULL; | |
1017 | json_object *json = NULL; | |
1018 | zebra_vni_t *zvni = NULL; | |
1019 | json_object *json_vni_list = NULL; | |
1020 | struct listnode *node = NULL, *nnode = NULL; | |
1021 | ||
1022 | vty = ctx[0]; | |
1023 | json = ctx[1]; | |
1024 | ||
1025 | if (!json) { | |
1026 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 1027 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 1028 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 1029 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 1030 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
1031 | vty_out(vty, " Vxlan-Intf: %s\n", |
1032 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
1033 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
1034 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 1035 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
1036 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
1037 | ? "prefix-routes-only" | |
1038 | : "none"); | |
4cce389e | 1039 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 1040 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 1041 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
1042 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
1043 | vty_out(vty, "%u ", zvni->vni); | |
1044 | vty_out(vty, "\n"); | |
1045 | } else { | |
1046 | json_vni_list = json_object_new_array(); | |
1047 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
1048 | json_object_string_add(json, "type", "L3"); |
1049 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 1050 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 1051 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 1052 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 1053 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 1054 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
1055 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
1056 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
1057 | json_object_string_add( | |
1058 | json, "routerMac", | |
1059 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1060 | json_object_string_add( | |
1061 | json, "vniFilter", | |
1062 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
1063 | ? "prefix-routes-only" | |
1064 | : "none"); | |
b7cfce93 MK |
1065 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
1066 | json_object_array_add(json_vni_list, | |
1067 | json_object_new_int(zvni->vni)); | |
1068 | } | |
4cce389e | 1069 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
1070 | } |
1071 | } | |
1072 | ||
cec2e17d | 1073 | /* |
1074 | * Print a specific VNI entry. | |
1075 | */ | |
cd233079 | 1076 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 1077 | { |
1078 | struct vty *vty; | |
1079 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1080 | uint32_t num_macs; |
1081 | uint32_t num_neigh; | |
cd233079 CS |
1082 | json_object *json = NULL; |
1083 | json_object *json_vtep_list = NULL; | |
1084 | json_object *json_ip_str = NULL; | |
d62a17ae | 1085 | |
cd233079 CS |
1086 | vty = ctxt[0]; |
1087 | json = ctxt[1]; | |
1088 | ||
b7cfce93 | 1089 | if (json == NULL) { |
cd233079 | 1090 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1091 | vty_out(vty, " Type: %s\n", "L2"); |
1092 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1093 | } else { |
cd233079 | 1094 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1095 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1096 | json_object_string_add(json, "vrf", |
1097 | vrf_id_to_name(zvni->vrf_id)); | |
1098 | } | |
d62a17ae | 1099 | |
d62a17ae | 1100 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1101 | if (json == NULL) |
1102 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1103 | return; |
1104 | } | |
790f8dc5 | 1105 | num_macs = num_valid_macs(zvni); |
cd233079 | 1106 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1107 | if (json == NULL) { |
996c9314 | 1108 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1109 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1110 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1111 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1112 | } else { |
cd233079 CS |
1113 | json_object_string_add(json, "vxlanInterface", |
1114 | zvni->vxlan_if->name); | |
1115 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1116 | json_object_string_add(json, "vtepIp", | |
1117 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1118 | json_object_string_add(json, "advertiseGatewayMacip", |
1119 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1120 | json_object_int_add(json, "numMacs", num_macs); |
1121 | json_object_int_add(json, "numArpNd", num_neigh); | |
1122 | } | |
d62a17ae | 1123 | if (!zvni->vteps) { |
cd233079 CS |
1124 | if (json == NULL) |
1125 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1126 | } else { |
cd233079 CS |
1127 | if (json == NULL) |
1128 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1129 | else | |
1130 | json_vtep_list = json_object_new_array(); | |
1131 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1132 | if (json == NULL) | |
1133 | vty_out(vty, " %s\n", | |
1134 | inet_ntoa(zvtep->vtep_ip)); | |
1135 | else { | |
1136 | json_ip_str = json_object_new_string( | |
1137 | inet_ntoa(zvtep->vtep_ip)); | |
1138 | json_object_array_add(json_vtep_list, | |
1139 | json_ip_str); | |
1140 | } | |
1141 | } | |
1142 | if (json) | |
1143 | json_object_object_add(json, "numRemoteVteps", | |
1144 | json_vtep_list); | |
1145 | } | |
1146 | if (json == NULL) { | |
1147 | vty_out(vty, | |
1148 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1149 | num_macs); | |
1150 | vty_out(vty, | |
1151 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1152 | "known for this VNI: %u\n", | |
1153 | num_neigh); | |
ddd16ed5 MK |
1154 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1155 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1156 | } |
cec2e17d | 1157 | } |
1158 | ||
b7cfce93 | 1159 | /* print a L3 VNI hash entry */ |
996c9314 | 1160 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1161 | { |
b7cfce93 MK |
1162 | struct vty *vty = NULL; |
1163 | json_object *json = NULL; | |
51d8de8f | 1164 | json_object *json_vni = NULL; |
b7cfce93 MK |
1165 | zebra_l3vni_t *zl3vni = NULL; |
1166 | ||
51d8de8f MK |
1167 | vty = (struct vty *)ctx[0]; |
1168 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1169 | |
1170 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1171 | |
1172 | if (!json) { | |
996c9314 LB |
1173 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1174 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1175 | hashcount(zl3vni->rmac_table), |
996c9314 | 1176 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1177 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1178 | } else { |
51d8de8f MK |
1179 | char vni_str[VNI_STR_LEN]; |
1180 | ||
1181 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1182 | json_vni = json_object_new_object(); | |
1183 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1184 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1185 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1186 | json_object_int_add(json_vni, "numMacs", |
1187 | hashcount(zl3vni->rmac_table)); | |
1188 | json_object_int_add(json_vni, "numArpNd", | |
1189 | hashcount(zl3vni->nh_table)); | |
1190 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1191 | json_object_string_add(json_vni, "type", "L3"); | |
1192 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1193 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1194 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1195 | } |
b7cfce93 MK |
1196 | } |
1197 | ||
cec2e17d | 1198 | /* |
1199 | * Print a VNI hash entry - called for display of all VNIs. | |
1200 | */ | |
cd233079 | 1201 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1202 | { |
d62a17ae | 1203 | struct vty *vty; |
1204 | zebra_vni_t *zvni; | |
1205 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1206 | uint32_t num_vteps = 0; |
1207 | uint32_t num_macs = 0; | |
1208 | uint32_t num_neigh = 0; | |
cd233079 CS |
1209 | json_object *json = NULL; |
1210 | json_object *json_vni = NULL; | |
1211 | json_object *json_ip_str = NULL; | |
1212 | json_object *json_vtep_list = NULL; | |
1213 | ||
1214 | vty = ctxt[0]; | |
1215 | json = ctxt[1]; | |
cec2e17d | 1216 | |
d62a17ae | 1217 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1218 | |
d62a17ae | 1219 | zvtep = zvni->vteps; |
1220 | while (zvtep) { | |
1221 | num_vteps++; | |
1222 | zvtep = zvtep->next; | |
1223 | } | |
cec2e17d | 1224 | |
790f8dc5 | 1225 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1226 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1227 | if (json == NULL) |
996c9314 | 1228 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1229 | zvni->vni, "L2", |
cd233079 | 1230 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1231 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1232 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1233 | else { |
1234 | char vni_str[VNI_STR_LEN]; | |
1235 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1236 | json_vni = json_object_new_object(); | |
4cce389e MK |
1237 | json_object_int_add(json_vni, "vni", zvni->vni); |
1238 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1239 | json_object_string_add(json_vni, "vxlanIf", |
1240 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1241 | : "unknown"); | |
cd233079 CS |
1242 | json_object_int_add(json_vni, "numMacs", num_macs); |
1243 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1244 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1245 | json_object_string_add(json_vni, "tenantVrf", |
1246 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1247 | if (num_vteps) { |
1248 | json_vtep_list = json_object_new_array(); | |
1249 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1250 | json_ip_str = json_object_new_string( | |
1251 | inet_ntoa(zvtep->vtep_ip)); | |
1252 | json_object_array_add(json_vtep_list, | |
1253 | json_ip_str); | |
1254 | } | |
1255 | json_object_object_add(json_vni, "remoteVteps", | |
1256 | json_vtep_list); | |
1257 | } | |
1258 | json_object_object_add(json, vni_str, json_vni); | |
1259 | } | |
cec2e17d | 1260 | } |
1261 | ||
13d60d35 | 1262 | /* |
2232a77c | 1263 | * Inform BGP about local MACIP. |
1264 | */ | |
996c9314 | 1265 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1266 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1267 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1268 | { |
d62a17ae | 1269 | char buf[ETHER_ADDR_STRLEN]; |
1270 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1271 | int ipa_len; |
1272 | struct zserv *client = NULL; | |
1273 | struct stream *s = NULL; | |
d62a17ae | 1274 | |
21ccc0cf | 1275 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1276 | /* BGP may not be running. */ |
1277 | if (!client) | |
1278 | return 0; | |
1279 | ||
1002497a | 1280 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1281 | |
7cf15b25 | 1282 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1283 | stream_putl(s, vni); |
ff8b7eb8 | 1284 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1285 | if (ip) { |
1286 | ipa_len = 0; | |
1287 | if (IS_IPADDR_V4(ip)) | |
1288 | ipa_len = IPV4_MAX_BYTELEN; | |
1289 | else if (IS_IPADDR_V6(ip)) | |
1290 | ipa_len = IPV6_MAX_BYTELEN; | |
1291 | ||
1292 | stream_putl(s, ipa_len); /* IP address length */ | |
1293 | if (ipa_len) | |
1294 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1295 | } else | |
1296 | stream_putl(s, 0); /* Just MAC. */ | |
1297 | ||
f07e1c99 | 1298 | if (cmd == ZEBRA_MACIP_ADD) { |
1299 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1300 | stream_putl(s, seq); /* sequence number */ | |
1301 | } | |
d62a17ae | 1302 | |
b7cfce93 | 1303 | |
d62a17ae | 1304 | /* Write packet size. */ |
1305 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1306 | ||
1307 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1308 | zlog_debug( |
f07e1c99 | 1309 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1310 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1311 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1312 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1313 | zebra_route_string(client->proto)); |
d62a17ae | 1314 | |
1315 | if (cmd == ZEBRA_MACIP_ADD) | |
1316 | client->macipadd_cnt++; | |
1317 | else | |
1318 | client->macipdel_cnt++; | |
1319 | ||
21ccc0cf | 1320 | return zserv_send_message(client, s); |
2232a77c | 1321 | } |
1322 | ||
1323 | /* | |
1324 | * Make hash key for neighbors. | |
13d60d35 | 1325 | */ |
d62a17ae | 1326 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1327 | { |
d62a17ae | 1328 | zebra_neigh_t *n = p; |
1329 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1330 | |
d62a17ae | 1331 | if (IS_IPADDR_V4(ip)) |
1332 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1333 | |
d62a17ae | 1334 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1335 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1336 | } |
1337 | ||
1338 | /* | |
2232a77c | 1339 | * Compare two neighbor hash structures. |
13d60d35 | 1340 | */ |
74df8d6d | 1341 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1342 | { |
d62a17ae | 1343 | const zebra_neigh_t *n1 = p1; |
1344 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1345 | |
d62a17ae | 1346 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 1347 | return true; |
2232a77c | 1348 | |
d62a17ae | 1349 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 1350 | return false; |
2232a77c | 1351 | |
d62a17ae | 1352 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1353 | } |
1354 | ||
27fa3398 DS |
1355 | static int neigh_list_cmp(void *p1, void *p2) |
1356 | { | |
1357 | const zebra_neigh_t *n1 = p1; | |
1358 | const zebra_neigh_t *n2 = p2; | |
1359 | ||
1360 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
1361 | } | |
1362 | ||
13d60d35 | 1363 | /* |
2232a77c | 1364 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1365 | */ |
d62a17ae | 1366 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1367 | { |
d62a17ae | 1368 | const zebra_neigh_t *tmp_n = p; |
1369 | zebra_neigh_t *n; | |
13d60d35 | 1370 | |
d62a17ae | 1371 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1372 | *n = *tmp_n; | |
2232a77c | 1373 | |
d62a17ae | 1374 | return ((void *)n); |
13d60d35 | 1375 | } |
1376 | ||
1377 | /* | |
2232a77c | 1378 | * Add neighbor entry. |
13d60d35 | 1379 | */ |
b6938a74 MK |
1380 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1381 | struct ethaddr *mac) | |
13d60d35 | 1382 | { |
d62a17ae | 1383 | zebra_neigh_t tmp_n; |
1384 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1385 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1386 | |
d62a17ae | 1387 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1388 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1389 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1390 | assert(n); | |
13d60d35 | 1391 | |
b6938a74 MK |
1392 | memcpy(&n->emac, mac, ETH_ALEN); |
1393 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1394 | ||
1395 | /* Associate the neigh to mac */ | |
1396 | zmac = zvni_mac_lookup(zvni, mac); | |
1397 | if (zmac) | |
1398 | listnode_add_sort(zmac->neigh_list, n); | |
1399 | ||
d62a17ae | 1400 | return n; |
13d60d35 | 1401 | } |
1402 | ||
1403 | /* | |
2232a77c | 1404 | * Delete neighbor entry. |
13d60d35 | 1405 | */ |
d62a17ae | 1406 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1407 | { |
d62a17ae | 1408 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1409 | zebra_mac_t *zmac = NULL; |
1410 | ||
1411 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1412 | if (zmac) | |
1413 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1414 | |
d62a17ae | 1415 | /* Free the VNI hash entry and allocated memory. */ |
1416 | tmp_n = hash_release(zvni->neigh_table, n); | |
1417 | if (tmp_n) | |
1418 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1419 | |
d62a17ae | 1420 | return 0; |
13d60d35 | 1421 | } |
1422 | ||
1423 | /* | |
2232a77c | 1424 | * Free neighbor hash entry (callback) |
13d60d35 | 1425 | */ |
b1599bb6 | 1426 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1427 | { |
d62a17ae | 1428 | struct neigh_walk_ctx *wctx = arg; |
1429 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1430 | |
d62a17ae | 1431 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1432 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1433 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1434 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1435 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1436 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1437 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1438 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1439 | &n->emac, 0); |
13d60d35 | 1440 | |
d62a17ae | 1441 | if (wctx->uninstall) |
1442 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1443 | |
b1599bb6 | 1444 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1445 | } |
13d60d35 | 1446 | |
b1599bb6 | 1447 | return; |
13d60d35 | 1448 | } |
1449 | ||
1450 | /* | |
2232a77c | 1451 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1452 | */ |
d62a17ae | 1453 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1454 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1455 | { |
d62a17ae | 1456 | struct neigh_walk_ctx wctx; |
13d60d35 | 1457 | |
d62a17ae | 1458 | if (!zvni->neigh_table) |
1459 | return; | |
13d60d35 | 1460 | |
d62a17ae | 1461 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1462 | wctx.zvni = zvni; | |
1463 | wctx.uninstall = uninstall; | |
1464 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1465 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1466 | |
b1599bb6 | 1467 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1468 | } |
13d60d35 | 1469 | |
2232a77c | 1470 | /* |
1471 | * Delete all neighbor entries for this VNI. | |
1472 | */ | |
996c9314 | 1473 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1474 | uint32_t flags) |
2232a77c | 1475 | { |
d62a17ae | 1476 | struct neigh_walk_ctx wctx; |
13d60d35 | 1477 | |
d62a17ae | 1478 | if (!zvni->neigh_table) |
1479 | return; | |
13d60d35 | 1480 | |
d62a17ae | 1481 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1482 | wctx.zvni = zvni; | |
d62a17ae | 1483 | wctx.uninstall = uninstall; |
1484 | wctx.upd_client = upd_client; | |
1485 | wctx.flags = flags; | |
2232a77c | 1486 | |
b1599bb6 | 1487 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1488 | } |
1489 | ||
1490 | /* | |
2232a77c | 1491 | * Look up neighbor hash entry. |
1492 | */ | |
d62a17ae | 1493 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1494 | { |
d62a17ae | 1495 | zebra_neigh_t tmp; |
1496 | zebra_neigh_t *n; | |
2232a77c | 1497 | |
d62a17ae | 1498 | memset(&tmp, 0, sizeof(tmp)); |
1499 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1500 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1501 | |
d62a17ae | 1502 | return n; |
2232a77c | 1503 | } |
1504 | ||
f07e1c99 | 1505 | /* |
1506 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1507 | * locally or undergoing any other change (such as sequence number). | |
1508 | */ | |
1509 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1510 | zebra_mac_t *zmac, | |
1511 | bool seq_change) | |
b6938a74 MK |
1512 | { |
1513 | zebra_neigh_t *n = NULL; | |
1514 | struct listnode *node = NULL; | |
1515 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1516 | |
f07e1c99 | 1517 | if (IS_ZEBRA_DEBUG_VXLAN) |
1518 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1519 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1520 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1521 | ||
1522 | /* Walk all neighbors and mark any inactive local neighbors as | |
1523 | * active and/or update sequence number upon a move, and inform BGP. | |
1524 | * The action for remote neighbors is TBD. | |
1525 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1526 | * accidentally end up deleting a just-learnt local neighbor. | |
1527 | */ | |
b6938a74 MK |
1528 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1529 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1530 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1531 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1532 | n->loc_seq = zmac->loc_seq; |
b6938a74 | 1533 | zvni_neigh_send_add_to_client( |
f07e1c99 | 1534 | zvni->vni, &n->ip, &n->emac, |
1535 | n->flags, n->loc_seq); | |
b6938a74 | 1536 | } |
b6938a74 MK |
1537 | } |
1538 | } | |
1539 | } | |
1540 | ||
f07e1c99 | 1541 | /* |
1542 | * Process all neighbors associated with a local MAC upon the MAC being | |
1543 | * deleted. | |
1544 | */ | |
2853fed6 | 1545 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1546 | zebra_mac_t *zmac) |
1547 | { | |
1548 | zebra_neigh_t *n = NULL; | |
1549 | struct listnode *node = NULL; | |
1550 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1551 | |
f07e1c99 | 1552 | if (IS_ZEBRA_DEBUG_VXLAN) |
1553 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1554 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1555 | zvni->vni); | |
1556 | ||
1557 | /* Walk all local neighbors and mark as inactive and inform | |
1558 | * BGP, if needed. | |
1559 | * TBD: There is currently no handling for remote neighbors. We | |
1560 | * don't expect them to exist, if they do, do we install the MAC | |
1561 | * as a remote MAC and the neighbor as remote? | |
1562 | */ | |
b6938a74 MK |
1563 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1564 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1565 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1566 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1567 | n->loc_seq = 0; |
996c9314 LB |
1568 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1569 | &n->emac, 0); | |
b6938a74 | 1570 | } |
b6938a74 MK |
1571 | } |
1572 | } | |
1573 | } | |
1574 | ||
f07e1c99 | 1575 | /* |
1576 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1577 | * learnt. | |
1578 | */ | |
2853fed6 | 1579 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1580 | zebra_mac_t *zmac) |
1581 | { | |
1582 | zebra_neigh_t *n = NULL; | |
1583 | struct listnode *node = NULL; | |
1584 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1585 | |
f07e1c99 | 1586 | if (IS_ZEBRA_DEBUG_VXLAN) |
1587 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1588 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1589 | zvni->vni); | |
1590 | ||
1591 | /* Walk all local neighbors and mark as inactive and inform | |
1592 | * BGP, if needed. | |
1593 | */ | |
b6938a74 MK |
1594 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1595 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1596 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1597 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1598 | n->loc_seq = 0; |
996c9314 LB |
1599 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1600 | &n->emac, 0); | |
b6938a74 MK |
1601 | } |
1602 | } | |
1603 | } | |
1604 | } | |
1605 | ||
f07e1c99 | 1606 | /* |
1607 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1608 | * deleted. | |
1609 | */ | |
2853fed6 | 1610 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1611 | zebra_mac_t *zmac) |
1612 | { | |
f07e1c99 | 1613 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1614 | } |
1615 | ||
2232a77c | 1616 | /* |
1617 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1618 | */ |
996c9314 | 1619 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1620 | struct ethaddr *macaddr, |
f07e1c99 | 1621 | uint8_t neigh_flags, |
1622 | uint32_t seq) | |
13d60d35 | 1623 | { |
d7c0a89a | 1624 | uint8_t flags = 0; |
ead40654 MK |
1625 | |
1626 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1627 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1628 | /* Set router flag (R-bit) based on local neigh entry add */ |
1629 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1630 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1631 | |
2853fed6 | 1632 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1633 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1634 | } |
13d60d35 | 1635 | |
2232a77c | 1636 | /* |
1637 | * Inform BGP about local neighbor deletion. | |
1638 | */ | |
996c9314 | 1639 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1640 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1641 | { |
2853fed6 | 1642 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1643 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1644 | } |
1645 | ||
1646 | /* | |
1647 | * Install remote neighbor into the kernel. | |
1648 | */ | |
d62a17ae | 1649 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1650 | { |
d62a17ae | 1651 | struct zebra_if *zif; |
1652 | struct zebra_l2info_vxlan *vxl; | |
1653 | struct interface *vlan_if; | |
f7dae312 | 1654 | #ifdef GNU_LINUX |
68e33151 | 1655 | uint8_t flags; |
f7dae312 | 1656 | #endif |
68e33151 | 1657 | int ret = 0; |
2232a77c | 1658 | |
d62a17ae | 1659 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1660 | return 0; | |
13d60d35 | 1661 | |
d62a17ae | 1662 | zif = zvni->vxlan_if->info; |
1663 | if (!zif) | |
1664 | return -1; | |
1665 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1666 | |
2853fed6 | 1667 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1668 | if (!vlan_if) |
1669 | return -1; | |
68e33151 CS |
1670 | #ifdef GNU_LINUX |
1671 | flags = NTF_EXT_LEARNED; | |
1672 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1673 | flags |= NTF_ROUTER; | |
f07e1c99 | 1674 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1675 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1676 | #endif | |
1677 | return ret; | |
2232a77c | 1678 | } |
13d60d35 | 1679 | |
2232a77c | 1680 | /* |
1681 | * Uninstall remote neighbor from the kernel. | |
1682 | */ | |
d62a17ae | 1683 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1684 | { |
d62a17ae | 1685 | struct zebra_if *zif; |
1686 | struct zebra_l2info_vxlan *vxl; | |
1687 | struct interface *vlan_if; | |
13d60d35 | 1688 | |
d62a17ae | 1689 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1690 | return 0; | |
2232a77c | 1691 | |
d62a17ae | 1692 | if (!zvni->vxlan_if) { |
9df414fe QY |
1693 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
1694 | zvni->vni, zvni); | |
d62a17ae | 1695 | return -1; |
1696 | } | |
2232a77c | 1697 | |
d62a17ae | 1698 | zif = zvni->vxlan_if->info; |
1699 | if (!zif) | |
1700 | return -1; | |
1701 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1702 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1703 | if (!vlan_if) |
1704 | return -1; | |
2232a77c | 1705 | |
f07e1c99 | 1706 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1707 | n->loc_seq = 0; | |
d62a17ae | 1708 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1709 | } |
1710 | ||
1711 | /* | |
2232a77c | 1712 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1713 | */ |
d62a17ae | 1714 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1715 | { |
d62a17ae | 1716 | zebra_neigh_t *n; |
1717 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1718 | |
d62a17ae | 1719 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1720 | |
d62a17ae | 1721 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1722 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1723 | } |
13d60d35 | 1724 | |
1a98c087 MK |
1725 | /* Get the VRR interface for SVI if any */ |
1726 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1727 | { | |
1728 | struct zebra_vrf *zvrf = NULL; | |
1729 | struct interface *tmp_if = NULL; | |
1730 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1731 | |
1732 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1733 | assert(zvrf); | |
1734 | ||
451fda4f | 1735 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1736 | zif = tmp_if->info; |
1737 | if (!zif) | |
1738 | continue; | |
1739 | ||
1740 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1741 | continue; | |
1742 | ||
1743 | if (zif->link == ifp) | |
1744 | return tmp_if; | |
1745 | } | |
1746 | ||
1747 | return NULL; | |
1748 | } | |
1749 | ||
1750 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1751 | { | |
1a98c087 MK |
1752 | struct listnode *cnode = NULL, *cnnode = NULL; |
1753 | struct connected *c = NULL; | |
1754 | struct ethaddr macaddr; | |
1755 | ||
1a98c087 MK |
1756 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1757 | ||
1758 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1759 | struct ipaddr ip; | |
1760 | ||
1761 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1762 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1763 | continue; | |
1764 | ||
1765 | if (c->address->family == AF_INET) { | |
1766 | ip.ipa_type = IPADDR_V4; | |
1767 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1768 | sizeof(struct in_addr)); | |
1769 | } else if (c->address->family == AF_INET6) { | |
1770 | ip.ipa_type = IPADDR_V6; | |
1771 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1772 | sizeof(struct in6_addr)); | |
1773 | } else { | |
1774 | continue; | |
1775 | } | |
1776 | ||
1777 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1778 | } | |
1779 | ||
1780 | return 0; | |
1781 | } | |
1782 | ||
1783 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1784 | { | |
1a98c087 MK |
1785 | struct listnode *cnode = NULL, *cnnode = NULL; |
1786 | struct connected *c = NULL; | |
1787 | struct ethaddr macaddr; | |
1788 | ||
1a98c087 MK |
1789 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1790 | ||
1791 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1792 | struct ipaddr ip; | |
1793 | ||
1794 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1795 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1796 | continue; | |
1797 | ||
1798 | if (c->address->family == AF_INET) { | |
1799 | ip.ipa_type = IPADDR_V4; | |
1800 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1801 | sizeof(struct in_addr)); | |
1802 | } else if (c->address->family == AF_INET6) { | |
1803 | ip.ipa_type = IPADDR_V6; | |
1804 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1805 | sizeof(struct in6_addr)); | |
1806 | } else { | |
1807 | continue; | |
1808 | } | |
1809 | ||
1810 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1811 | } | |
31310b25 MK |
1812 | return 0; |
1813 | } | |
1814 | ||
1815 | ||
996c9314 | 1816 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1817 | int advertise) |
1818 | { | |
1819 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1820 | struct connected *c = NULL; | |
1821 | struct ethaddr macaddr; | |
1822 | ||
1823 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1824 | ||
1825 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1826 | struct prefix p; | |
1a98c087 | 1827 | |
31310b25 MK |
1828 | memcpy(&p, c->address, sizeof(struct prefix)); |
1829 | ||
1830 | /* skip link local address */ | |
1831 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1832 | continue; | |
1833 | ||
1834 | apply_mask(&p); | |
1835 | if (advertise) | |
1836 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1837 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1838 | else |
1839 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1840 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1841 | } | |
1a98c087 MK |
1842 | return 0; |
1843 | } | |
1844 | ||
1845 | /* | |
1846 | * zvni_gw_macip_add_to_client | |
1847 | */ | |
1848 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1849 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1850 | { | |
1a98c087 MK |
1851 | char buf[ETHER_ADDR_STRLEN]; |
1852 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1853 | zebra_neigh_t *n = NULL; |
1854 | zebra_mac_t *mac = NULL; | |
1855 | struct zebra_if *zif = NULL; | |
1856 | struct zebra_l2info_vxlan *vxl = NULL; | |
1857 | ||
1a98c087 MK |
1858 | zif = zvni->vxlan_if->info; |
1859 | if (!zif) | |
1860 | return -1; | |
1861 | ||
1862 | vxl = &zif->l2info.vxl; | |
1863 | ||
1864 | mac = zvni_mac_lookup(zvni, macaddr); | |
1865 | if (!mac) { | |
1866 | mac = zvni_mac_add(zvni, macaddr); | |
1867 | if (!mac) { | |
e914ccbe | 1868 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
1869 | "Failed to add MAC %s intf %s(%u) VID %u", |
1870 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1871 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1872 | return -1; |
1873 | } | |
1874 | } | |
1875 | ||
1876 | /* Set "local" forwarding info. */ | |
1877 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1878 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1879 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1880 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1881 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1882 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1883 | ||
1884 | n = zvni_neigh_lookup(zvni, ip); | |
1885 | if (!n) { | |
b6938a74 | 1886 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1887 | if (!n) { |
af4c2728 | 1888 | flog_err( |
e914ccbe | 1889 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 1890 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1891 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1892 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1893 | ifp->name, ifp->ifindex, zvni->vni); |
1894 | return -1; | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | /* Set "local" forwarding info. */ | |
1899 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1900 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 1901 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1902 | /* Set Router flag (R-bit) */ |
1903 | if (ip->ipa_type == IPADDR_V6) | |
1904 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1905 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1906 | n->ifindex = ifp->ifindex; | |
1907 | ||
ead40654 MK |
1908 | /* Only advertise in BGP if the knob is enabled */ |
1909 | if (!advertise_gw_macip_enabled(zvni)) | |
1910 | return 0; | |
1911 | ||
1a98c087 MK |
1912 | if (IS_ZEBRA_DEBUG_VXLAN) |
1913 | zlog_debug( | |
68e33151 | 1914 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1915 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1916 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1917 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1918 | |
f07e1c99 | 1919 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1920 | n->flags, n->loc_seq); | |
1a98c087 MK |
1921 | |
1922 | return 0; | |
1923 | } | |
1924 | ||
1925 | /* | |
1926 | * zvni_gw_macip_del_from_client | |
1927 | */ | |
1928 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1929 | struct ipaddr *ip) | |
1930 | { | |
0af35d90 | 1931 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1932 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1933 | zebra_neigh_t *n = NULL; |
1934 | zebra_mac_t *mac = NULL; | |
1935 | ||
1a98c087 MK |
1936 | /* If the neigh entry is not present nothing to do*/ |
1937 | n = zvni_neigh_lookup(zvni, ip); | |
1938 | if (!n) | |
1939 | return 0; | |
1940 | ||
1941 | /* mac entry should be present */ | |
1942 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1943 | if (!mac) { |
0437e105 | 1944 | zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u", |
9df414fe QY |
1945 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
1946 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1947 | return -1; |
1948 | } | |
1a98c087 MK |
1949 | |
1950 | /* If the entry is not local nothing to do*/ | |
1951 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1952 | return -1; | |
1953 | ||
ead40654 | 1954 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1955 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1956 | zlog_debug( |
1957 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1958 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1959 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1960 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1961 | |
1962 | /* Remove neighbor from BGP. */ | |
1963 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1964 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1965 | |
1966 | /* Delete this neighbor entry. */ | |
1967 | zvni_neigh_del(zvni, n); | |
1968 | ||
1969 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 1970 | if (mac) |
fe697c6b | 1971 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
1972 | |
1973 | return 0; | |
1974 | } | |
1975 | ||
1976 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1977 | void *ctxt) |
1a98c087 MK |
1978 | { |
1979 | zebra_vni_t *zvni = NULL; | |
1980 | struct zebra_if *zif = NULL; | |
1981 | struct zebra_l2info_vxlan zl2_info; | |
1982 | struct interface *vlan_if = NULL; | |
1983 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1984 | struct interface *ifp; |
1a98c087 MK |
1985 | |
1986 | /* Add primary SVI MAC*/ | |
1987 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1988 | |
b5ebdc9b | 1989 | ifp = zvni->vxlan_if; |
1990 | if (!ifp) | |
1991 | return; | |
1992 | zif = ifp->info; | |
1993 | ||
1994 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1995 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1996 | return; |
1997 | ||
1a98c087 MK |
1998 | zl2_info = zif->l2info.vxl; |
1999 | ||
996c9314 LB |
2000 | vlan_if = |
2001 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2002 | if (!vlan_if) |
2003 | return; | |
2004 | ||
2005 | /* Del primary MAC-IP */ | |
2006 | zvni_del_macip_for_intf(vlan_if, zvni); | |
2007 | ||
2008 | /* Del VRR MAC-IP - if any*/ | |
2009 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2010 | if (vrr_if) | |
2011 | zvni_del_macip_for_intf(vrr_if, zvni); | |
2012 | ||
2013 | return; | |
2014 | } | |
2015 | ||
2016 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 2017 | void *ctxt) |
1a98c087 MK |
2018 | { |
2019 | zebra_vni_t *zvni = NULL; | |
2020 | struct zebra_if *zif = NULL; | |
2021 | struct zebra_l2info_vxlan zl2_info; | |
2022 | struct interface *vlan_if = NULL; | |
2023 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2024 | struct interface *ifp = NULL; |
1a98c087 MK |
2025 | |
2026 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 2027 | |
b5ebdc9b | 2028 | ifp = zvni->vxlan_if; |
2029 | if (!ifp) | |
2030 | return; | |
2031 | zif = ifp->info; | |
2032 | ||
2033 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2034 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2035 | return; |
1a98c087 MK |
2036 | zl2_info = zif->l2info.vxl; |
2037 | ||
996c9314 LB |
2038 | vlan_if = |
2039 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2040 | if (!vlan_if) |
2041 | return; | |
2042 | ||
1a98c087 MK |
2043 | /* Add primary SVI MAC-IP */ |
2044 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2045 | ||
2046 | /* Add VRR MAC-IP - if any*/ | |
2047 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2048 | if (vrr_if) | |
2049 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2050 | ||
2051 | return; | |
2052 | } | |
2053 | ||
ee69da27 MK |
2054 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
2055 | struct interface *ifp, | |
2056 | struct ipaddr *ip, | |
68e33151 | 2057 | struct ethaddr *macaddr, |
a37f4598 | 2058 | bool is_router) |
ee69da27 MK |
2059 | { |
2060 | char buf[ETHER_ADDR_STRLEN]; | |
2061 | char buf2[INET6_ADDRSTRLEN]; | |
2062 | zebra_neigh_t *n = NULL; | |
2063 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 2064 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
2065 | bool upd_mac_seq = false; | |
2066 | bool neigh_mac_change = false; | |
29c2ce7c | 2067 | bool check_rbit = false; |
ee69da27 | 2068 | |
f07e1c99 | 2069 | /* Check if the MAC exists. */ |
ee69da27 MK |
2070 | zmac = zvni_mac_lookup(zvni, macaddr); |
2071 | if (!zmac) { | |
f07e1c99 | 2072 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
2073 | if (IS_ZEBRA_DEBUG_VXLAN) |
2074 | zlog_debug( | |
2075 | "AUTO MAC %s created for neigh %s on VNI %u", | |
2076 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2077 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
2078 | ||
2079 | zmac = zvni_mac_add(zvni, macaddr); | |
2080 | if (!zmac) { | |
9df414fe QY |
2081 | zlog_debug("Failed to add MAC %s VNI %u", |
2082 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2083 | zvni->vni); | |
ee69da27 MK |
2084 | return -1; |
2085 | } | |
2086 | ||
2087 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2088 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
2089 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 2090 | } else { |
2091 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2092 | /* | |
2093 | * We don't change the MAC to local upon a neighbor | |
2094 | * learn event, we wait for the explicit local MAC | |
2095 | * learn. However, we have to compute its sequence | |
2096 | * number in preparation for when it actually turns | |
2097 | * local. | |
2098 | */ | |
2099 | upd_mac_seq = true; | |
2100 | } | |
ee69da27 MK |
2101 | } |
2102 | ||
f07e1c99 | 2103 | /* Check if the neighbor exists. */ |
ee69da27 | 2104 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2105 | if (!n) { |
2106 | /* New neighbor - create */ | |
2107 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2108 | if (!n) { | |
2109 | flog_err( | |
e914ccbe | 2110 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 2111 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2112 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2113 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2114 | ifp->name, ifp->ifindex, zvni->vni); | |
2115 | return -1; | |
2116 | } | |
2117 | /* Set "local" forwarding info. */ | |
2118 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2119 | n->ifindex = ifp->ifindex; | |
f190902f | 2120 | check_rbit = true; |
f07e1c99 | 2121 | } else { |
ee69da27 | 2122 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 2123 | bool mac_different; |
2124 | bool cur_is_router; | |
2125 | ||
2126 | /* Note any changes and see if of interest to BGP. */ | |
2127 | mac_different = (memcmp(n->emac.octet, | |
2128 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
2129 | cur_is_router = !!CHECK_FLAG(n->flags, | |
2130 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2131 | if (!mac_different && is_router == cur_is_router) { | |
ee69da27 | 2132 | n->ifindex = ifp->ifindex; |
66e37987 | 2133 | return 0; |
2134 | } | |
ee69da27 | 2135 | |
66e37987 | 2136 | if (!mac_different) { |
2137 | /* Only the router flag has changed. */ | |
2138 | if (is_router) | |
2139 | SET_FLAG(n->flags, | |
2140 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2141 | else | |
2142 | UNSET_FLAG(n->flags, | |
2143 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 2144 | |
66e37987 | 2145 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2146 | return zvni_neigh_send_add_to_client( | |
2147 | zvni->vni, ip, macaddr, | |
2148 | n->flags, n->loc_seq); | |
2149 | return 0; | |
2150 | } | |
2151 | ||
2152 | /* The MAC has changed, need to issue a delete | |
2153 | * first as this means a different MACIP route. | |
2154 | * Also, need to do some unlinking/relinking. | |
2155 | * We also need to update the MAC's sequence number | |
2156 | * in different situations. | |
2157 | */ | |
2158 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
2159 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2160 | &n->emac, 0); | |
2161 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2162 | if (old_zmac) { | |
2163 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
2164 | ZEBRA_MAC_REMOTE) ? | |
2165 | old_zmac->rem_seq : old_zmac->loc_seq; | |
2166 | neigh_mac_change = upd_mac_seq = true; | |
2167 | listnode_delete(old_zmac->neigh_list, n); | |
2168 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 2169 | } |
ee69da27 | 2170 | |
66e37987 | 2171 | /* Update the forwarding info. */ |
2172 | n->ifindex = ifp->ifindex; | |
2173 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2174 | ||
2175 | /* Link to new MAC */ | |
2176 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 2177 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2178 | /* | |
2179 | * Neighbor has moved from remote to local. Its | |
2180 | * MAC could have also changed as part of the move. | |
2181 | */ | |
ee69da27 MK |
2182 | if (memcmp(n->emac.octet, macaddr->octet, |
2183 | ETH_ALEN) != 0) { | |
2184 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2185 | if (old_zmac) { | |
9df2b997 | 2186 | old_mac_seq = CHECK_FLAG( |
2187 | old_zmac->flags, | |
2188 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2189 | old_zmac->rem_seq : |
2190 | old_zmac->loc_seq; | |
2191 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2192 | listnode_delete(old_zmac->neigh_list, |
2193 | n); | |
fe697c6b | 2194 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
2195 | } |
2196 | ||
2197 | /* Link to new MAC */ | |
2198 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2199 | listnode_add_sort(zmac->neigh_list, n); | |
2200 | } | |
2201 | ||
2202 | /* Mark appropriately */ | |
2203 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2204 | n->r_vtep_ip.s_addr = 0; | |
2205 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2206 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2207 | check_rbit = true; |
ee69da27 | 2208 | } |
f07e1c99 | 2209 | } |
2210 | ||
2211 | /* If MAC was previously remote, or the neighbor had a different | |
2212 | * MAC earlier, recompute the sequence number. | |
2213 | */ | |
2214 | if (upd_mac_seq) { | |
2215 | uint32_t seq1, seq2; | |
2216 | ||
2217 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2218 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2219 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2220 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2221 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2222 | } |
2223 | ||
54c17425 | 2224 | /*Mark Router flag (R-bit) */ |
a37f4598 | 2225 | if (is_router) |
54c17425 CS |
2226 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
2227 | else | |
2228 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2229 | ||
ee69da27 | 2230 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2231 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2232 | */ |
2233 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2234 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2235 | n->loc_seq = 0; |
2236 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2237 | return 0; |
2238 | } | |
2239 | ||
bf437f90 | 2240 | if (!check_rbit) |
f190902f | 2241 | return 0; |
68e33151 | 2242 | |
f07e1c99 | 2243 | /* If the MAC's sequence number has changed, inform the MAC and all |
2244 | * neighbors associated with the MAC to BGP, else just inform this | |
2245 | * neighbor. | |
2246 | */ | |
2247 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2248 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2249 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2250 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2251 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2252 | zmac->loc_seq = mac_new_seq; | |
2253 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2254 | zmac->flags, zmac->loc_seq)) | |
2255 | return -1; | |
2256 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2257 | return 0; |
2258 | } | |
2259 | ||
ee69da27 | 2260 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2261 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2262 | |
f07e1c99 | 2263 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2264 | n->flags, n->loc_seq); | |
ee69da27 MK |
2265 | } |
2266 | ||
2267 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2268 | struct interface *ifp, | |
2269 | struct ipaddr *ip, | |
2270 | struct ethaddr *macaddr, | |
2271 | uint16_t state) | |
2272 | { | |
2273 | char buf[ETHER_ADDR_STRLEN]; | |
2274 | char buf2[INET6_ADDRSTRLEN]; | |
2275 | zebra_neigh_t *n = NULL; | |
2276 | zebra_mac_t *zmac = NULL; | |
2277 | ||
2278 | /* If the neighbor is unknown, there is no further action. */ | |
2279 | n = zvni_neigh_lookup(zvni, ip); | |
2280 | if (!n) | |
2281 | return 0; | |
2282 | ||
2283 | /* If a remote entry, see if it needs to be refreshed */ | |
2284 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2285 | #ifdef GNU_LINUX |
ee69da27 MK |
2286 | if (state & NUD_STALE) |
2287 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2288 | #endif |
ee69da27 MK |
2289 | } else { |
2290 | /* We got a "remote" neighbor notification for an entry | |
2291 | * we think is local. This can happen in a multihoming | |
2292 | * scenario - but only if the MAC is already "remote". | |
2293 | * Just mark our entry as "remote". | |
2294 | */ | |
2295 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2296 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 2297 | zlog_debug( |
43e52561 QY |
2298 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2299 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2300 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2301 | zvni->vni); | |
ee69da27 MK |
2302 | return -1; |
2303 | } | |
2304 | ||
2305 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2306 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4fd5ea4b | 2307 | ZEBRA_NEIGH_SET_ACTIVE(n); |
ee69da27 MK |
2308 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; |
2309 | } | |
2310 | ||
2311 | return 0; | |
2312 | } | |
2313 | ||
2232a77c | 2314 | /* |
2315 | * Make hash key for MAC. | |
2316 | */ | |
d62a17ae | 2317 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2318 | { |
d62a17ae | 2319 | zebra_mac_t *pmac = p; |
25331def DS |
2320 | const void *pnt = (void *)pmac->macaddr.octet; |
2321 | ||
ff8b7eb8 | 2322 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2323 | } |
13d60d35 | 2324 | |
2232a77c | 2325 | /* |
2326 | * Compare two MAC addresses. | |
2327 | */ | |
74df8d6d | 2328 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 2329 | { |
d62a17ae | 2330 | const zebra_mac_t *pmac1 = p1; |
2331 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2332 | |
d62a17ae | 2333 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 2334 | return true; |
2232a77c | 2335 | |
d62a17ae | 2336 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 2337 | return false; |
2232a77c | 2338 | |
996c9314 | 2339 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2340 | == 0); |
2232a77c | 2341 | } |
2342 | ||
2343 | /* | |
2344 | * Callback to allocate MAC hash entry. | |
2345 | */ | |
d62a17ae | 2346 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2347 | { |
d62a17ae | 2348 | const zebra_mac_t *tmp_mac = p; |
2349 | zebra_mac_t *mac; | |
2232a77c | 2350 | |
d62a17ae | 2351 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2352 | *mac = *tmp_mac; | |
2232a77c | 2353 | |
d62a17ae | 2354 | return ((void *)mac); |
2232a77c | 2355 | } |
2356 | ||
2357 | /* | |
2358 | * Add MAC entry. | |
2359 | */ | |
d62a17ae | 2360 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2361 | { |
d62a17ae | 2362 | zebra_mac_t tmp_mac; |
2363 | zebra_mac_t *mac = NULL; | |
2232a77c | 2364 | |
d62a17ae | 2365 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2366 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2367 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2368 | assert(mac); | |
2232a77c | 2369 | |
b6938a74 | 2370 | mac->neigh_list = list_new(); |
27fa3398 | 2371 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 2372 | |
d62a17ae | 2373 | return mac; |
2232a77c | 2374 | } |
2375 | ||
2376 | /* | |
2377 | * Delete MAC entry. | |
2378 | */ | |
d62a17ae | 2379 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2380 | { |
d62a17ae | 2381 | zebra_mac_t *tmp_mac; |
2232a77c | 2382 | |
6a154c88 | 2383 | list_delete(&mac->neigh_list); |
b6938a74 | 2384 | |
d62a17ae | 2385 | /* Free the VNI hash entry and allocated memory. */ |
2386 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2387 | if (tmp_mac) | |
2388 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2389 | |
d62a17ae | 2390 | return 0; |
2232a77c | 2391 | } |
2392 | ||
2393 | /* | |
2394 | * Free MAC hash entry (callback) | |
2395 | */ | |
b1599bb6 | 2396 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2397 | { |
d62a17ae | 2398 | struct mac_walk_ctx *wctx = arg; |
2399 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2400 | |
d62a17ae | 2401 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2402 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2403 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2404 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2405 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2406 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2407 | &wctx->r_vtep_ip))) { | |
2408 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 | 2409 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
e98e4b88 | 2410 | &mac->macaddr); |
d62a17ae | 2411 | } |
2232a77c | 2412 | |
d62a17ae | 2413 | if (wctx->uninstall) |
d63c1b18 | 2414 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 2415 | |
b1599bb6 | 2416 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2417 | } |
2232a77c | 2418 | |
b1599bb6 | 2419 | return; |
2232a77c | 2420 | } |
2421 | ||
2422 | /* | |
2423 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2424 | */ | |
d62a17ae | 2425 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2426 | struct in_addr *r_vtep_ip) | |
2232a77c | 2427 | { |
d62a17ae | 2428 | struct mac_walk_ctx wctx; |
2232a77c | 2429 | |
d62a17ae | 2430 | if (!zvni->mac_table) |
2431 | return; | |
2232a77c | 2432 | |
d62a17ae | 2433 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2434 | wctx.zvni = zvni; | |
2435 | wctx.uninstall = uninstall; | |
2436 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2437 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2438 | |
b1599bb6 | 2439 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2440 | } |
2441 | ||
2442 | /* | |
2443 | * Delete all MAC entries for this VNI. | |
2444 | */ | |
996c9314 | 2445 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2446 | uint32_t flags) |
2232a77c | 2447 | { |
d62a17ae | 2448 | struct mac_walk_ctx wctx; |
2232a77c | 2449 | |
d62a17ae | 2450 | if (!zvni->mac_table) |
2451 | return; | |
2232a77c | 2452 | |
d62a17ae | 2453 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2454 | wctx.zvni = zvni; | |
d62a17ae | 2455 | wctx.uninstall = uninstall; |
2456 | wctx.upd_client = upd_client; | |
2457 | wctx.flags = flags; | |
2232a77c | 2458 | |
b1599bb6 | 2459 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2460 | } |
2461 | ||
2462 | /* | |
2463 | * Look up MAC hash entry. | |
2464 | */ | |
d62a17ae | 2465 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2466 | { |
d62a17ae | 2467 | zebra_mac_t tmp; |
2468 | zebra_mac_t *pmac; | |
2232a77c | 2469 | |
d62a17ae | 2470 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2471 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2472 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2473 | |
d62a17ae | 2474 | return pmac; |
2232a77c | 2475 | } |
2476 | ||
2477 | /* | |
2478 | * Inform BGP about local MAC addition. | |
2479 | */ | |
996c9314 | 2480 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2481 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2482 | { |
d7c0a89a | 2483 | uint8_t flags = 0; |
ead40654 MK |
2484 | |
2485 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2486 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2487 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2488 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2489 | ||
2853fed6 | 2490 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2491 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2492 | } |
2493 | ||
2494 | /* | |
2495 | * Inform BGP about local MAC deletion. | |
2496 | */ | |
e98e4b88 | 2497 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr) |
2232a77c | 2498 | { |
e98e4b88 AK |
2499 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, 0 /* flags */, |
2500 | 0 /* seq */, ZEBRA_MACIP_DEL); | |
2232a77c | 2501 | } |
2502 | ||
2503 | /* | |
2504 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2505 | * notifications, to see if they are of interest. |
2232a77c | 2506 | */ |
d62a17ae | 2507 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2508 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2509 | { |
2853fed6 | 2510 | struct zebra_ns *zns; |
2511 | struct route_node *rn; | |
2512 | struct interface *tmp_if = NULL; | |
d62a17ae | 2513 | struct zebra_if *zif; |
2514 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2515 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2516 | uint8_t bridge_vlan_aware; |
d62a17ae | 2517 | zebra_vni_t *zvni; |
2853fed6 | 2518 | int found = 0; |
2232a77c | 2519 | |
d62a17ae | 2520 | /* Determine if bridge is VLAN-aware or not */ |
2521 | zif = br_if->info; | |
2522 | assert(zif); | |
2523 | br = &zif->l2info.br; | |
2524 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2525 | |
d62a17ae | 2526 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2527 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2528 | zns = zebra_ns_lookup(NS_DEFAULT); |
2529 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2530 | tmp_if = (struct interface *)rn->info; | |
2531 | if (!tmp_if) | |
2532 | continue; | |
d62a17ae | 2533 | zif = tmp_if->info; |
2534 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2535 | continue; | |
2536 | if (!if_is_operative(tmp_if)) | |
2537 | continue; | |
2538 | vxl = &zif->l2info.vxl; | |
2232a77c | 2539 | |
d62a17ae | 2540 | if (zif->brslave_info.br_if != br_if) |
2541 | continue; | |
2232a77c | 2542 | |
2853fed6 | 2543 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2544 | found = 1; | |
d62a17ae | 2545 | break; |
2853fed6 | 2546 | } |
d62a17ae | 2547 | } |
2232a77c | 2548 | |
2853fed6 | 2549 | if (!found) |
d62a17ae | 2550 | return NULL; |
2232a77c | 2551 | |
2853fed6 | 2552 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2553 | return zvni; |
2232a77c | 2554 | } |
2555 | ||
2556 | /* | |
2557 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2558 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2559 | */ |
b7cfce93 MK |
2560 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2561 | struct interface *br_if) | |
d62a17ae | 2562 | { |
2853fed6 | 2563 | struct zebra_ns *zns; |
2564 | struct route_node *rn; | |
2565 | struct interface *tmp_if = NULL; | |
d62a17ae | 2566 | struct zebra_if *zif; |
2567 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2568 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2569 | uint8_t bridge_vlan_aware; |
d62a17ae | 2570 | vlanid_t vid = 0; |
2571 | zebra_vni_t *zvni; | |
2853fed6 | 2572 | int found = 0; |
d62a17ae | 2573 | |
71349e03 MK |
2574 | if (!br_if) |
2575 | return NULL; | |
2576 | ||
d62a17ae | 2577 | /* Make sure the linked interface is a bridge. */ |
2578 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2579 | return NULL; | |
2580 | ||
d62a17ae | 2581 | /* Determine if bridge is VLAN-aware or not */ |
2582 | zif = br_if->info; | |
2583 | assert(zif); | |
2584 | br = &zif->l2info.br; | |
2585 | bridge_vlan_aware = br->vlan_aware; | |
2586 | if (bridge_vlan_aware) { | |
2587 | struct zebra_l2info_vlan *vl; | |
2588 | ||
2589 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2590 | return NULL; | |
2591 | ||
2592 | zif = ifp->info; | |
2593 | assert(zif); | |
2594 | vl = &zif->l2info.vl; | |
2595 | vid = vl->vid; | |
2596 | } | |
2597 | ||
2598 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2599 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2600 | zns = zebra_ns_lookup(NS_DEFAULT); |
2601 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2602 | tmp_if = (struct interface *)rn->info; | |
2603 | if (!tmp_if) | |
2604 | continue; | |
d62a17ae | 2605 | zif = tmp_if->info; |
2606 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2607 | continue; | |
2608 | if (!if_is_operative(tmp_if)) | |
2609 | continue; | |
2610 | vxl = &zif->l2info.vxl; | |
2611 | ||
2612 | if (zif->brslave_info.br_if != br_if) | |
2613 | continue; | |
2614 | ||
2853fed6 | 2615 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2616 | found = 1; | |
d62a17ae | 2617 | break; |
2853fed6 | 2618 | } |
d62a17ae | 2619 | } |
2620 | ||
2853fed6 | 2621 | if (!found) |
d62a17ae | 2622 | return NULL; |
2623 | ||
2853fed6 | 2624 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2625 | return zvni; |
2232a77c | 2626 | } |
2627 | ||
2628 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2629 | * of two cases: | |
2630 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2631 | * linked to the bridge | |
2632 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2633 | * itself | |
2634 | */ | |
2853fed6 | 2635 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2636 | { |
2853fed6 | 2637 | struct zebra_ns *zns; |
2638 | struct route_node *rn; | |
2639 | struct interface *tmp_if = NULL; | |
d62a17ae | 2640 | struct zebra_if *zif; |
2641 | struct zebra_l2info_bridge *br; | |
2642 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2643 | uint8_t bridge_vlan_aware; |
2853fed6 | 2644 | int found = 0; |
d62a17ae | 2645 | |
b5ebdc9b | 2646 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2647 | if (!br_if) | |
2648 | return NULL; | |
2649 | ||
d62a17ae | 2650 | /* Determine if bridge is VLAN-aware or not */ |
2651 | zif = br_if->info; | |
2652 | assert(zif); | |
2653 | br = &zif->l2info.br; | |
2654 | bridge_vlan_aware = br->vlan_aware; | |
2655 | ||
2656 | /* Check oper status of the SVI. */ | |
2657 | if (!bridge_vlan_aware) | |
2658 | return if_is_operative(br_if) ? br_if : NULL; | |
2659 | ||
2660 | /* Identify corresponding VLAN interface. */ | |
2661 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2662 | zns = zebra_ns_lookup(NS_DEFAULT); |
2663 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2664 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2665 | /* Check oper status of the SVI. */ |
2853fed6 | 2666 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2667 | continue; |
2668 | zif = tmp_if->info; | |
2669 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2670 | || zif->link != br_if) | |
2671 | continue; | |
2672 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2673 | ||
2853fed6 | 2674 | if (vl->vid == vid) { |
2675 | found = 1; | |
d62a17ae | 2676 | break; |
2853fed6 | 2677 | } |
d62a17ae | 2678 | } |
2679 | ||
2853fed6 | 2680 | return found ? tmp_if : NULL; |
2232a77c | 2681 | } |
2682 | ||
2683 | /* | |
2684 | * Install remote MAC into the kernel. | |
2685 | */ | |
d62a17ae | 2686 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2687 | { |
d62a17ae | 2688 | struct zebra_if *zif; |
2689 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 2690 | bool sticky; |
2232a77c | 2691 | |
d62a17ae | 2692 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2693 | return 0; | |
2232a77c | 2694 | |
d62a17ae | 2695 | zif = zvni->vxlan_if->info; |
2696 | if (!zif) | |
2697 | return -1; | |
2698 | vxl = &zif->l2info.vxl; | |
2232a77c | 2699 | |
a37f4598 | 2700 | sticky = !!CHECK_FLAG(mac->flags, |
2701 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 2702 | |
d62a17ae | 2703 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2704 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2705 | } |
2706 | ||
2707 | /* | |
d63c1b18 | 2708 | * Uninstall remote MAC from the kernel. |
2232a77c | 2709 | */ |
d63c1b18 | 2710 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2711 | { |
d62a17ae | 2712 | struct zebra_if *zif; |
2713 | struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 2714 | struct in_addr vtep_ip; |
d62a17ae | 2715 | struct interface *ifp; |
2232a77c | 2716 | |
d63c1b18 | 2717 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 2718 | return 0; |
2232a77c | 2719 | |
d62a17ae | 2720 | if (!zvni->vxlan_if) { |
9df414fe QY |
2721 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2722 | zvni->vni, zvni); | |
d62a17ae | 2723 | return -1; |
2724 | } | |
2232a77c | 2725 | |
d62a17ae | 2726 | zif = zvni->vxlan_if->info; |
2727 | if (!zif) | |
2728 | return -1; | |
2729 | vxl = &zif->l2info.vxl; | |
2232a77c | 2730 | |
d63c1b18 | 2731 | ifp = zvni->vxlan_if; |
2732 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 2733 | |
d63c1b18 | 2734 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 2735 | } |
2736 | ||
2737 | /* | |
2738 | * Install MAC hash entry - called upon access VLAN change. | |
2739 | */ | |
d62a17ae | 2740 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2741 | { |
d62a17ae | 2742 | zebra_mac_t *mac; |
2743 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2744 | |
d62a17ae | 2745 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2746 | |
d62a17ae | 2747 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2748 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2749 | } |
2750 | ||
fe697c6b | 2751 | /* |
2752 | * Count of remote neighbors referencing this MAC. | |
2753 | */ | |
2754 | static int remote_neigh_count(zebra_mac_t *zmac) | |
2755 | { | |
2756 | zebra_neigh_t *n = NULL; | |
2757 | struct listnode *node = NULL; | |
2758 | int count = 0; | |
2759 | ||
2760 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
2761 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
2762 | count++; | |
2763 | } | |
2764 | ||
2765 | return count; | |
2766 | } | |
2767 | ||
2232a77c | 2768 | /* |
2769 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2770 | * appropriate. | |
2771 | */ | |
fe697c6b | 2772 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2773 | { |
fe697c6b | 2774 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 2775 | return; |
2232a77c | 2776 | |
fe697c6b | 2777 | /* If all remote neighbors referencing a remote MAC go away, |
2778 | * we need to uninstall the MAC. | |
2779 | */ | |
2780 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
2781 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 2782 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 2783 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
2784 | } | |
2232a77c | 2785 | |
fe697c6b | 2786 | /* If no neighbors, delete the MAC. */ |
2787 | if (list_isempty(mac->neigh_list)) | |
2788 | zvni_mac_del(zvni, mac); | |
2232a77c | 2789 | } |
2790 | ||
2791 | /* | |
2792 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2793 | */ | |
996c9314 | 2794 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2795 | { |
2853fed6 | 2796 | struct zebra_ns *zns; |
d62a17ae | 2797 | struct zebra_if *zif; |
2798 | struct interface *vlan_if; | |
2799 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2800 | struct interface *vrr_if; |
2232a77c | 2801 | |
d62a17ae | 2802 | zif = ifp->info; |
2803 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2804 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2805 | |
d62a17ae | 2806 | if (IS_ZEBRA_DEBUG_VXLAN) |
2807 | zlog_debug( | |
2853fed6 | 2808 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2809 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2810 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2811 | |
2853fed6 | 2812 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2813 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2814 | if (vlan_if) { |
2815 | ||
ead40654 MK |
2816 | /* Add SVI MAC-IP */ |
2817 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2818 | |
ead40654 MK |
2819 | /* Add VRR MAC-IP - if any*/ |
2820 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2821 | if (vrr_if) | |
2822 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2823 | |
2853fed6 | 2824 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2825 | } |
2232a77c | 2826 | } |
2827 | ||
2828 | /* | |
2829 | * Hash function for VNI. | |
2830 | */ | |
d62a17ae | 2831 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2832 | { |
d62a17ae | 2833 | const zebra_vni_t *zvni = p; |
2232a77c | 2834 | |
d62a17ae | 2835 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2836 | } |
2837 | ||
2838 | /* | |
2839 | * Compare 2 VNI hash entries. | |
2840 | */ | |
74df8d6d | 2841 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2842 | { |
d62a17ae | 2843 | const zebra_vni_t *zvni1 = p1; |
2844 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2845 | |
d62a17ae | 2846 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2847 | } |
2848 | ||
27fa3398 DS |
2849 | static int vni_list_cmp(void *p1, void *p2) |
2850 | { | |
2851 | const zebra_vni_t *zvni1 = p1; | |
2852 | const zebra_vni_t *zvni2 = p2; | |
2853 | ||
2854 | if (zvni1->vni == zvni2->vni) | |
2855 | return 0; | |
2856 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
2857 | } | |
2858 | ||
2232a77c | 2859 | /* |
2860 | * Callback to allocate VNI hash entry. | |
2861 | */ | |
d62a17ae | 2862 | static void *zvni_alloc(void *p) |
2232a77c | 2863 | { |
d62a17ae | 2864 | const zebra_vni_t *tmp_vni = p; |
2865 | zebra_vni_t *zvni; | |
2232a77c | 2866 | |
d62a17ae | 2867 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2868 | zvni->vni = tmp_vni->vni; | |
2869 | return ((void *)zvni); | |
2232a77c | 2870 | } |
2871 | ||
2872 | /* | |
2873 | * Look up VNI hash entry. | |
2874 | */ | |
2853fed6 | 2875 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2876 | { |
2853fed6 | 2877 | struct zebra_vrf *zvrf; |
d62a17ae | 2878 | zebra_vni_t tmp_vni; |
2879 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2880 | |
2853fed6 | 2881 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2882 | assert(zvrf); | |
d62a17ae | 2883 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2884 | tmp_vni.vni = vni; | |
2885 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2886 | |
d62a17ae | 2887 | return zvni; |
2232a77c | 2888 | } |
2889 | ||
2890 | /* | |
2891 | * Add VNI hash entry. | |
2892 | */ | |
2853fed6 | 2893 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2894 | { |
2853fed6 | 2895 | struct zebra_vrf *zvrf; |
d62a17ae | 2896 | zebra_vni_t tmp_zvni; |
2897 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2898 | |
2853fed6 | 2899 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2900 | assert(zvrf); | |
d62a17ae | 2901 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2902 | tmp_zvni.vni = vni; | |
2903 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2904 | assert(zvni); | |
2232a77c | 2905 | |
d62a17ae | 2906 | /* Create hash table for MAC */ |
2907 | zvni->mac_table = | |
2908 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2909 | |
d62a17ae | 2910 | /* Create hash table for neighbors */ |
2911 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2912 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2913 | |
d62a17ae | 2914 | return zvni; |
2232a77c | 2915 | } |
2916 | ||
2917 | /* | |
2918 | * Delete VNI hash entry. | |
2919 | */ | |
2853fed6 | 2920 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2921 | { |
2853fed6 | 2922 | struct zebra_vrf *zvrf; |
d62a17ae | 2923 | zebra_vni_t *tmp_zvni; |
2232a77c | 2924 | |
2853fed6 | 2925 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2926 | assert(zvrf); | |
2927 | ||
d62a17ae | 2928 | zvni->vxlan_if = NULL; |
2232a77c | 2929 | |
d62a17ae | 2930 | /* Free the neighbor hash table. */ |
2931 | hash_free(zvni->neigh_table); | |
2932 | zvni->neigh_table = NULL; | |
2232a77c | 2933 | |
d62a17ae | 2934 | /* Free the MAC hash table. */ |
2935 | hash_free(zvni->mac_table); | |
2936 | zvni->mac_table = NULL; | |
2232a77c | 2937 | |
d62a17ae | 2938 | /* Free the VNI hash entry and allocated memory. */ |
2939 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2940 | if (tmp_zvni) | |
2941 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2942 | |
d62a17ae | 2943 | return 0; |
2232a77c | 2944 | } |
2945 | ||
2946 | /* | |
2947 | * Inform BGP about local VNI addition. | |
2948 | */ | |
2853fed6 | 2949 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2950 | { |
d62a17ae | 2951 | struct zserv *client; |
2952 | struct stream *s; | |
2232a77c | 2953 | |
21ccc0cf | 2954 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2955 | /* BGP may not be running. */ |
2956 | if (!client) | |
2957 | return 0; | |
2232a77c | 2958 | |
1002497a | 2959 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2960 | |
7cf15b25 | 2961 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2962 | stream_putl(s, zvni->vni); |
2963 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2964 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2965 | |
d62a17ae | 2966 | /* Write packet size. */ |
2967 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2968 | |
d62a17ae | 2969 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2970 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2971 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2972 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2973 | zebra_route_string(client->proto)); |
2232a77c | 2974 | |
d62a17ae | 2975 | client->vniadd_cnt++; |
21ccc0cf | 2976 | return zserv_send_message(client, s); |
2232a77c | 2977 | } |
2978 | ||
2979 | /* | |
2980 | * Inform BGP about local VNI deletion. | |
2981 | */ | |
2853fed6 | 2982 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2983 | { |
d62a17ae | 2984 | struct zserv *client; |
2985 | struct stream *s; | |
2232a77c | 2986 | |
21ccc0cf | 2987 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2988 | /* BGP may not be running. */ |
2989 | if (!client) | |
2990 | return 0; | |
2232a77c | 2991 | |
1002497a | 2992 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2993 | stream_reset(s); |
2232a77c | 2994 | |
7cf15b25 | 2995 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2996 | stream_putl(s, vni); |
2232a77c | 2997 | |
d62a17ae | 2998 | /* Write packet size. */ |
2999 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3000 | |
d62a17ae | 3001 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 3002 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 3003 | zebra_route_string(client->proto)); |
2232a77c | 3004 | |
d62a17ae | 3005 | client->vnidel_cnt++; |
21ccc0cf | 3006 | return zserv_send_message(client, s); |
2232a77c | 3007 | } |
3008 | ||
3009 | /* | |
3010 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
3011 | * is called when EVPN (advertise-all-vni) is enabled. | |
3012 | */ | |
2853fed6 | 3013 | static void zvni_build_hash_table() |
2232a77c | 3014 | { |
2853fed6 | 3015 | struct zebra_ns *zns; |
3016 | struct route_node *rn; | |
d62a17ae | 3017 | struct interface *ifp; |
2232a77c | 3018 | |
d62a17ae | 3019 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 3020 | zns = zebra_ns_lookup(NS_DEFAULT); |
3021 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 3022 | vni_t vni; |
643215ce | 3023 | zebra_vni_t *zvni = NULL; |
3024 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 3025 | struct zebra_if *zif; |
3026 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 3027 | |
2853fed6 | 3028 | ifp = (struct interface *)rn->info; |
3029 | if (!ifp) | |
3030 | continue; | |
d62a17ae | 3031 | zif = ifp->info; |
3032 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3033 | continue; | |
2232a77c | 3034 | |
b7cfce93 | 3035 | vxl = &zif->l2info.vxl; |
d62a17ae | 3036 | vni = vxl->vni; |
2232a77c | 3037 | |
643215ce | 3038 | /* L3-VNI and L2-VNI are handled seperately */ |
3039 | zl3vni = zl3vni_lookup(vni); | |
3040 | if (zl3vni) { | |
2232a77c | 3041 | |
b7cfce93 | 3042 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3043 | zlog_debug( |
3044 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
3045 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 3046 | |
b7cfce93 | 3047 | /* associate with vxlan_if */ |
b67a60d2 | 3048 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 3049 | zl3vni->vxlan_if = ifp; |
2232a77c | 3050 | |
523cafc4 | 3051 | /* |
3052 | * we need to associate with SVI. | |
b7cfce93 | 3053 | * we can associate with svi-if only after association |
523cafc4 | 3054 | * with vxlan-intf is complete |
3055 | */ | |
b7cfce93 MK |
3056 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
3057 | ||
3058 | if (is_l3vni_oper_up(zl3vni)) | |
3059 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
3060 | ||
3061 | } else { | |
b7cfce93 MK |
3062 | struct interface *vlan_if = NULL; |
3063 | ||
3064 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3065 | zlog_debug( | |
3066 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
3067 | ifp->name, ifp->ifindex, vni, | |
3068 | inet_ntoa(vxl->vtep_ip)); | |
3069 | ||
3070 | /* VNI hash entry is not expected to exist. */ | |
3071 | zvni = zvni_lookup(vni); | |
3072 | if (zvni) { | |
9df414fe | 3073 | zlog_debug( |
b7cfce93 MK |
3074 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
3075 | ifp->name, ifp->ifindex, vni); | |
3076 | continue; | |
3077 | } | |
3078 | ||
3079 | zvni = zvni_add(vni); | |
3080 | if (!zvni) { | |
9df414fe | 3081 | zlog_debug( |
b7cfce93 MK |
3082 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
3083 | ifp->name, ifp->ifindex, vni); | |
3084 | return; | |
3085 | } | |
3086 | ||
3087 | zvni->local_vtep_ip = vxl->vtep_ip; | |
3088 | zvni->vxlan_if = ifp; | |
3089 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
3090 | zif->brslave_info.br_if); | |
3091 | if (vlan_if) { | |
3092 | zvni->vrf_id = vlan_if->vrf_id; | |
3093 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
3094 | if (zl3vni) | |
3095 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3096 | } | |
3097 | ||
3098 | ||
3099 | /* Inform BGP if intf is up and mapped to bridge. */ | |
3100 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
3101 | zvni_send_add_to_client(zvni); | |
3102 | } | |
d62a17ae | 3103 | } |
2232a77c | 3104 | } |
3105 | ||
3106 | /* | |
3107 | * See if remote VTEP matches with prefix. | |
3108 | */ | |
d62a17ae | 3109 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 3110 | { |
d62a17ae | 3111 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 3112 | } |
3113 | ||
3114 | /* | |
3115 | * Locate remote VTEP in VNI hash table. | |
3116 | */ | |
d62a17ae | 3117 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3118 | { |
d62a17ae | 3119 | zebra_vtep_t *zvtep; |
2232a77c | 3120 | |
d62a17ae | 3121 | if (!zvni) |
3122 | return NULL; | |
2232a77c | 3123 | |
d62a17ae | 3124 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3125 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3126 | break; | |
3127 | } | |
2232a77c | 3128 | |
d62a17ae | 3129 | return zvtep; |
2232a77c | 3130 | } |
3131 | ||
3132 | /* | |
3133 | * Add remote VTEP to VNI hash table. | |
3134 | */ | |
d62a17ae | 3135 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3136 | { |
d62a17ae | 3137 | zebra_vtep_t *zvtep; |
2232a77c | 3138 | |
d62a17ae | 3139 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3140 | |
d62a17ae | 3141 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3142 | |
d62a17ae | 3143 | if (zvni->vteps) |
3144 | zvni->vteps->prev = zvtep; | |
3145 | zvtep->next = zvni->vteps; | |
3146 | zvni->vteps = zvtep; | |
2232a77c | 3147 | |
d62a17ae | 3148 | return zvtep; |
2232a77c | 3149 | } |
3150 | ||
3151 | /* | |
3152 | * Remove remote VTEP from VNI hash table. | |
3153 | */ | |
d62a17ae | 3154 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3155 | { |
d62a17ae | 3156 | if (zvtep->next) |
3157 | zvtep->next->prev = zvtep->prev; | |
3158 | if (zvtep->prev) | |
3159 | zvtep->prev->next = zvtep->next; | |
3160 | else | |
3161 | zvni->vteps = zvtep->next; | |
2232a77c | 3162 | |
d62a17ae | 3163 | zvtep->prev = zvtep->next = NULL; |
3164 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3165 | |
d62a17ae | 3166 | return 0; |
2232a77c | 3167 | } |
3168 | ||
3169 | /* | |
3170 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3171 | * uninstall from kernel if asked to. | |
3172 | */ | |
d62a17ae | 3173 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3174 | { |
d62a17ae | 3175 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3176 | |
d62a17ae | 3177 | if (!zvni) |
3178 | return -1; | |
2232a77c | 3179 | |
d62a17ae | 3180 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3181 | zvtep_next = zvtep->next; | |
3182 | if (uninstall) | |
3183 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3184 | zvni_vtep_del(zvni, zvtep); | |
3185 | } | |
2232a77c | 3186 | |
d62a17ae | 3187 | return 0; |
2232a77c | 3188 | } |
3189 | ||
3190 | /* | |
3191 | * Install remote VTEP into the kernel. | |
3192 | */ | |
d62a17ae | 3193 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3194 | { |
fbac9605 DS |
3195 | if (is_vxlan_flooding_head_end()) |
3196 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); | |
3197 | return 0; | |
2232a77c | 3198 | } |
3199 | ||
3200 | /* | |
3201 | * Uninstall remote VTEP from the kernel. | |
3202 | */ | |
d62a17ae | 3203 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3204 | { |
d62a17ae | 3205 | if (!zvni->vxlan_if) { |
9df414fe QY |
3206 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3207 | zvni->vni, zvni); | |
d62a17ae | 3208 | return -1; |
3209 | } | |
2232a77c | 3210 | |
d62a17ae | 3211 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3212 | } |
3213 | ||
fbac9605 DS |
3214 | /* |
3215 | * Install or uninstall flood entries in the kernel corresponding to | |
3216 | * remote VTEPs. This is invoked upon change to BUM handling. | |
3217 | */ | |
3218 | static void zvni_handle_flooding_remote_vteps(struct hash_backet *backet, | |
3219 | void *zvrf) | |
3220 | { | |
3221 | zebra_vni_t *zvni; | |
3222 | zebra_vtep_t *zvtep; | |
3223 | ||
3224 | zvni = (zebra_vni_t *)backet->data; | |
3225 | if (!zvni) | |
3226 | return; | |
3227 | ||
3228 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
3229 | if (is_vxlan_flooding_head_end()) | |
3230 | zvni_vtep_install(zvni, &zvtep->vtep_ip); | |
3231 | else | |
3232 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3233 | } | |
3234 | } | |
3235 | ||
2232a77c | 3236 | /* |
3237 | * Cleanup VNI/VTEP and update kernel | |
3238 | */ | |
84915b0a | 3239 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3240 | { |
b7cfce93 MK |
3241 | zebra_vni_t *zvni = NULL; |
3242 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3243 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3244 | |
d62a17ae | 3245 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3246 | |
b7cfce93 | 3247 | /* remove from l3-vni list */ |
84915b0a | 3248 | if (zvrf->l3vni) |
3249 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3250 | if (zl3vni) |
3251 | listnode_delete(zl3vni->l2vnis, zvni); | |
3252 | ||
d62a17ae | 3253 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3254 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3255 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3256 | |
d62a17ae | 3257 | /* Free up all remote VTEPs, if any. */ |
3258 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3259 | |
d62a17ae | 3260 | /* Delete the hash entry. */ |
2853fed6 | 3261 | zvni_del(zvni); |
2232a77c | 3262 | } |
3263 | ||
655b04d1 | 3264 | /* cleanup L3VNI */ |
996c9314 | 3265 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3266 | { |
3267 | zebra_l3vni_t *zl3vni = NULL; | |
3268 | ||
3269 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3270 | |
3271 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3272 | } | |
3273 | ||
85442b09 | 3274 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3275 | struct prefix *host) |
5e1b0650 DS |
3276 | { |
3277 | struct host_rb_entry lookup; | |
3278 | struct host_rb_entry *hle; | |
3279 | ||
3280 | memset(&lookup, 0, sizeof(lookup)); | |
3281 | memcpy(&lookup.p, host, sizeof(*host)); | |
3282 | ||
85442b09 | 3283 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3284 | if (hle) |
3285 | return; | |
3286 | ||
3287 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3288 | memcpy(hle, &lookup, sizeof(lookup)); | |
3289 | ||
85442b09 | 3290 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3291 | } |
3292 | ||
85442b09 | 3293 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3294 | { |
3295 | struct host_rb_entry lookup; | |
3296 | struct host_rb_entry *hle; | |
3297 | ||
3298 | memset(&lookup, 0, sizeof(lookup)); | |
3299 | memcpy(&lookup.p, host, sizeof(*host)); | |
3300 | ||
85442b09 | 3301 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3302 | if (hle) { |
85442b09 | 3303 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3304 | XFREE(MTYPE_HOST_PREFIX, hle); |
3305 | } | |
5e1b0650 DS |
3306 | |
3307 | return; | |
3308 | } | |
3309 | ||
b7cfce93 MK |
3310 | /* |
3311 | * Look up MAC hash entry. | |
3312 | */ | |
2dbad57f | 3313 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3314 | struct ethaddr *rmac) |
3315 | { | |
3316 | zebra_mac_t tmp; | |
3317 | zebra_mac_t *pmac; | |
3318 | ||
3319 | memset(&tmp, 0, sizeof(tmp)); | |
3320 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3321 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3322 | |
b7cfce93 | 3323 | return pmac; |
2dbad57f | 3324 | } |
2232a77c | 3325 | |
cec2e17d | 3326 | /* |
b7cfce93 | 3327 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3328 | */ |
2dbad57f | 3329 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3330 | { |
b7cfce93 MK |
3331 | const zebra_mac_t *tmp_rmac = p; |
3332 | zebra_mac_t *zrmac; | |
d62a17ae | 3333 | |
b7cfce93 MK |
3334 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3335 | *zrmac = *tmp_rmac; | |
d62a17ae | 3336 | |
b7cfce93 | 3337 | return ((void *)zrmac); |
2dbad57f | 3338 | } |
cd233079 | 3339 | |
b7cfce93 MK |
3340 | /* |
3341 | * Add RMAC entry to l3-vni | |
3342 | */ | |
996c9314 | 3343 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3344 | { |
3345 | zebra_mac_t tmp_rmac; | |
3346 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3347 | |
b7cfce93 MK |
3348 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3349 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3350 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3351 | assert(zrmac); | |
d62a17ae | 3352 | |
85442b09 | 3353 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3354 | |
2dbad57f | 3355 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3356 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3357 | ||
b7cfce93 | 3358 | return zrmac; |
2dbad57f | 3359 | } |
cec2e17d | 3360 | |
3361 | /* | |
b7cfce93 | 3362 | * Delete MAC entry. |
cec2e17d | 3363 | */ |
996c9314 | 3364 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3365 | { |
b7cfce93 | 3366 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3367 | struct host_rb_entry *hle; |
cd233079 | 3368 | |
85442b09 DS |
3369 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3370 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3371 | |
85442b09 | 3372 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3373 | XFREE(MTYPE_HOST_PREFIX, hle); |
3374 | } | |
cd233079 | 3375 | |
b7cfce93 MK |
3376 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3377 | if (tmp_rmac) | |
3378 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3379 | |
b7cfce93 | 3380 | return 0; |
2dbad57f | 3381 | } |
cec2e17d | 3382 | |
3383 | /* | |
b7cfce93 | 3384 | * Install remote RMAC into the kernel. |
cec2e17d | 3385 | */ |
996c9314 | 3386 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3387 | { |
b7cfce93 MK |
3388 | struct zebra_if *zif = NULL; |
3389 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3390 | |
996c9314 LB |
3391 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3392 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3393 | return 0; |
3394 | ||
3395 | zif = zl3vni->vxlan_if->info; | |
3396 | if (!zif) | |
3397 | return -1; | |
3398 | ||
3399 | vxl = &zif->l2info.vxl; | |
3400 | ||
3401 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3402 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3403 | } |
b7cfce93 MK |
3404 | |
3405 | /* | |
3406 | * Uninstall remote RMAC from the kernel. | |
3407 | */ | |
996c9314 | 3408 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3409 | { |
3410 | char buf[ETHER_ADDR_STRLEN]; | |
3411 | struct zebra_if *zif = NULL; | |
3412 | struct zebra_l2info_vxlan *vxl = NULL; | |
3413 | ||
996c9314 LB |
3414 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3415 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3416 | return 0; |
3417 | ||
3418 | if (!zl3vni->vxlan_if) { | |
9df414fe | 3419 | zlog_debug( |
996c9314 LB |
3420 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3421 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3422 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3423 | return -1; |
3424 | } | |
3425 | ||
3426 | zif = zl3vni->vxlan_if->info; | |
3427 | if (!zif) | |
3428 | return -1; | |
3429 | ||
3430 | vxl = &zif->l2info.vxl; | |
3431 | ||
3432 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 3433 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 3434 | } |
3435 | ||
3436 | /* handle rmac add */ | |
996c9314 | 3437 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3438 | struct ipaddr *vtep_ip, |
3439 | struct prefix *host_prefix) | |
2dbad57f | 3440 | { |
3441 | char buf[ETHER_ADDR_STRLEN]; | |
3442 | char buf1[INET6_ADDRSTRLEN]; | |
3443 | zebra_mac_t *zrmac = NULL; | |
3444 | ||
3445 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3446 | if (!zrmac) { | |
3447 | ||
3448 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3449 | if (!zrmac) { | |
9df414fe | 3450 | zlog_debug( |
2dbad57f | 3451 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
3452 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3453 | zl3vni->vni, | |
3454 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3455 | return -1; |
3456 | } | |
3457 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3458 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3459 | ||
3460 | /* install rmac in kernel */ | |
3461 | zl3vni_rmac_install(zl3vni, zrmac); | |
3462 | } | |
6134fd82 | 3463 | |
41db76c2 | 3464 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3465 | |
2dbad57f | 3466 | return 0; |
3467 | } | |
3468 | ||
3469 | ||
3470 | /* handle rmac delete */ | |
22e63104 | 3471 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3472 | struct prefix *host_prefix) |
2dbad57f | 3473 | { |
41db76c2 | 3474 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3475 | |
85442b09 | 3476 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3477 | /* uninstall from kernel */ |
3478 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3479 | ||
3480 | /* del the rmac entry */ | |
3481 | zl3vni_rmac_del(zl3vni, zrmac); | |
3482 | } | |
2dbad57f | 3483 | } |
b7cfce93 MK |
3484 | |
3485 | /* | |
3486 | * Look up nh hash entry on a l3-vni. | |
3487 | */ | |
996c9314 | 3488 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3489 | { |
3490 | zebra_neigh_t tmp; | |
3491 | zebra_neigh_t *n; | |
3492 | ||
3493 | memset(&tmp, 0, sizeof(tmp)); | |
3494 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3495 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3496 | ||
3497 | return n; | |
2dbad57f | 3498 | } |
b7cfce93 MK |
3499 | |
3500 | ||
3501 | /* | |
3502 | * Callback to allocate NH hash entry on L3-VNI. | |
3503 | */ | |
2dbad57f | 3504 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3505 | { |
3506 | const zebra_neigh_t *tmp_n = p; | |
3507 | zebra_neigh_t *n; | |
3508 | ||
3509 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3510 | *n = *tmp_n; | |
3511 | ||
3512 | return ((void *)n); | |
2dbad57f | 3513 | } |
b7cfce93 MK |
3514 | |
3515 | /* | |
3516 | * Add neighbor entry. | |
3517 | */ | |
996c9314 | 3518 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3519 | struct ethaddr *mac) |
3520 | { | |
3521 | zebra_neigh_t tmp_n; | |
3522 | zebra_neigh_t *n = NULL; | |
3523 | ||
3524 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3525 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3526 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3527 | assert(n); | |
3528 | ||
85442b09 | 3529 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3530 | |
b7cfce93 | 3531 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3532 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3533 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3534 | |
3535 | return n; | |
2dbad57f | 3536 | } |
b7cfce93 MK |
3537 | |
3538 | /* | |
3539 | * Delete neighbor entry. | |
3540 | */ | |
996c9314 | 3541 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3542 | { |
3543 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3544 | struct host_rb_entry *hle; |
b7cfce93 | 3545 | |
85442b09 DS |
3546 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3547 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3548 | |
85442b09 | 3549 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3550 | XFREE(MTYPE_HOST_PREFIX, hle); |
3551 | } | |
55aabf6f | 3552 | |
b7cfce93 MK |
3553 | tmp_n = hash_release(zl3vni->nh_table, n); |
3554 | if (tmp_n) | |
3555 | XFREE(MTYPE_NEIGH, tmp_n); | |
3556 | ||
3557 | return 0; | |
2dbad57f | 3558 | } |
b7cfce93 MK |
3559 | |
3560 | /* | |
3561 | * Install remote nh as neigh into the kernel. | |
3562 | */ | |
996c9314 | 3563 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3564 | { |
f7dae312 | 3565 | #ifdef GNU_LINUX |
68e33151 | 3566 | uint8_t flags; |
f7dae312 | 3567 | #endif |
68e33151 CS |
3568 | int ret = 0; |
3569 | ||
b7cfce93 MK |
3570 | if (!is_l3vni_oper_up(zl3vni)) |
3571 | return -1; | |
3572 | ||
996c9314 LB |
3573 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3574 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3575 | return 0; |
68e33151 CS |
3576 | #ifdef GNU_LINUX |
3577 | flags = NTF_EXT_LEARNED; | |
3578 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3579 | flags |= NTF_ROUTER; | |
3580 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3581 | #endif | |
3582 | return ret; | |
2dbad57f | 3583 | } |
b7cfce93 MK |
3584 | |
3585 | /* | |
3586 | * Uninstall remote nh from the kernel. | |
3587 | */ | |
996c9314 | 3588 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3589 | { |
996c9314 LB |
3590 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3591 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3592 | return 0; |
3593 | ||
fa409e1e | 3594 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3595 | return 0; | |
3596 | ||
b7cfce93 | 3597 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3598 | } |
3599 | ||
3600 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3601 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3602 | struct ethaddr *rmac, |
3603 | struct prefix *host_prefix) | |
2dbad57f | 3604 | { |
3605 | char buf[ETHER_ADDR_STRLEN]; | |
3606 | char buf1[INET6_ADDRSTRLEN]; | |
3607 | zebra_neigh_t *nh = NULL; | |
3608 | ||
3609 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3610 | if (!nh) { | |
3611 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3612 | if (!nh) { | |
3613 | ||
9df414fe | 3614 | zlog_debug( |
2dbad57f | 3615 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
3616 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3617 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3618 | zl3vni->vni); |
3619 | return -1; | |
3620 | } | |
3621 | ||
3622 | /* install the nh neigh in kernel */ | |
3623 | zl3vni_nh_install(zl3vni, nh); | |
3624 | } | |
6134fd82 | 3625 | |
f2a503f0 | 3626 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3627 | |
2dbad57f | 3628 | return 0; |
3629 | } | |
3630 | ||
3631 | /* handle nh neigh delete */ | |
22e63104 | 3632 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3633 | struct prefix *host_prefix) | |
2dbad57f | 3634 | { |
f2a503f0 | 3635 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3636 | |
85442b09 | 3637 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3638 | /* uninstall from kernel */ |
3639 | zl3vni_nh_uninstall(zl3vni, nh); | |
3640 | ||
3641 | /* delete the nh entry */ | |
3642 | zl3vni_nh_del(zl3vni, nh); | |
3643 | } | |
2dbad57f | 3644 | } |
b7cfce93 | 3645 | |
3bcbba10 | 3646 | /* handle neigh update from kernel - the only thing of interest is to |
3647 | * readd stale entries. | |
3648 | */ | |
996c9314 | 3649 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3650 | uint16_t state) |
3bcbba10 | 3651 | { |
c05a738b | 3652 | #ifdef GNU_LINUX |
3bcbba10 | 3653 | zebra_neigh_t *n = NULL; |
3654 | ||
3655 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3656 | if (!n) | |
3657 | return 0; | |
3658 | ||
3659 | /* all next hop neigh are remote and installed by frr. | |
3660 | * If the kernel has aged this entry, re-install. | |
3661 | */ | |
3662 | if (state & NUD_STALE) | |
3663 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3664 | #endif |
3bcbba10 | 3665 | return 0; |
3666 | } | |
3667 | ||
8c9b80b9 | 3668 | /* handle neigh delete from kernel */ |
996c9314 | 3669 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3670 | { |
3671 | zebra_neigh_t *n = NULL; | |
3672 | ||
3673 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3674 | if (!n) | |
3675 | return 0; | |
3676 | ||
3677 | /* all next hop neigh are remote and installed by frr. | |
3678 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3679 | * install it back |
3680 | */ | |
8c9b80b9 MK |
3681 | zl3vni_nh_install(zl3vni, n); |
3682 | ||
3683 | return 0; | |
3684 | } | |
3685 | ||
b7cfce93 MK |
3686 | /* |
3687 | * Hash function for L3 VNI. | |
3688 | */ | |
3689 | static unsigned int l3vni_hash_keymake(void *p) | |
3690 | { | |
3691 | const zebra_l3vni_t *zl3vni = p; | |
3692 | ||
3693 | return jhash_1word(zl3vni->vni, 0); | |
3694 | } | |
3695 | ||
3696 | /* | |
3697 | * Compare 2 L3 VNI hash entries. | |
3698 | */ | |
74df8d6d | 3699 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
3700 | { |
3701 | const zebra_l3vni_t *zl3vni1 = p1; | |
3702 | const zebra_l3vni_t *zl3vni2 = p2; | |
3703 | ||
3704 | return (zl3vni1->vni == zl3vni2->vni); | |
3705 | } | |
3706 | ||
3707 | /* | |
3708 | * Callback to allocate L3 VNI hash entry. | |
3709 | */ | |
3710 | static void *zl3vni_alloc(void *p) | |
3711 | { | |
3712 | zebra_l3vni_t *zl3vni = NULL; | |
3713 | const zebra_l3vni_t *tmp_l3vni = p; | |
3714 | ||
3715 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3716 | zl3vni->vni = tmp_l3vni->vni; | |
3717 | return ((void *)zl3vni); | |
3718 | } | |
3719 | ||
3720 | /* | |
3721 | * Look up L3 VNI hash entry. | |
3722 | */ | |
3723 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3724 | { | |
b7cfce93 MK |
3725 | zebra_l3vni_t tmp_l3vni; |
3726 | zebra_l3vni_t *zl3vni = NULL; | |
3727 | ||
b7cfce93 MK |
3728 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
3729 | tmp_l3vni.vni = vni; | |
89272910 | 3730 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
3731 | |
3732 | return zl3vni; | |
3733 | } | |
3734 | ||
3735 | /* | |
3736 | * Add L3 VNI hash entry. | |
3737 | */ | |
3738 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3739 | { | |
3740 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
3741 | zebra_l3vni_t *zl3vni = NULL; |
3742 | ||
b7cfce93 MK |
3743 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
3744 | tmp_zl3vni.vni = vni; | |
3745 | ||
89272910 | 3746 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
3747 | assert(zl3vni); |
3748 | ||
3749 | zl3vni->vrf_id = vrf_id; | |
3750 | zl3vni->svi_if = NULL; | |
3751 | zl3vni->vxlan_if = NULL; | |
3752 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 3753 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
3754 | |
3755 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3756 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3757 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3758 | |
3759 | /* Create hash table for neighbors */ | |
3760 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3761 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3762 | |
3763 | return zl3vni; | |
3764 | } | |
3765 | ||
3766 | /* | |
3767 | * Delete L3 VNI hash entry. | |
3768 | */ | |
3769 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3770 | { | |
b7cfce93 MK |
3771 | zebra_l3vni_t *tmp_zl3vni; |
3772 | ||
b7cfce93 | 3773 | /* free the list of l2vnis */ |
6a154c88 | 3774 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
3775 | zl3vni->l2vnis = NULL; |
3776 | ||
3777 | /* Free the rmac table */ | |
3778 | hash_free(zl3vni->rmac_table); | |
3779 | zl3vni->rmac_table = NULL; | |
3780 | ||
3781 | /* Free the nh table */ | |
3782 | hash_free(zl3vni->nh_table); | |
3783 | zl3vni->nh_table = NULL; | |
3784 | ||
3785 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 3786 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
b7cfce93 MK |
3787 | if (tmp_zl3vni) |
3788 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3789 | ||
3790 | return 0; | |
3791 | } | |
3792 | ||
b7cfce93 MK |
3793 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3794 | { | |
3795 | struct zebra_ns *zns = NULL; | |
3796 | struct route_node *rn = NULL; | |
3797 | struct interface *ifp = NULL; | |
3798 | ||
3799 | /* loop through all vxlan-interface */ | |
3800 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3801 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3802 | ||
3803 | struct zebra_if *zif = NULL; | |
3804 | struct zebra_l2info_vxlan *vxl = NULL; | |
3805 | ||
3806 | ifp = (struct interface *)rn->info; | |
3807 | if (!ifp) | |
3808 | continue; | |
3809 | ||
3810 | zif = ifp->info; | |
3811 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3812 | continue; | |
3813 | ||
3814 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3815 | if (vxl->vni == zl3vni->vni) { |
3816 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3817 | return ifp; |
b67a60d2 | 3818 | } |
b7cfce93 MK |
3819 | } |
3820 | ||
3821 | return NULL; | |
3822 | } | |
3823 | ||
3824 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3825 | { | |
996c9314 | 3826 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3827 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3828 | ||
2aeb403d | 3829 | if (!zl3vni) |
3830 | return NULL; | |
3831 | ||
b7cfce93 MK |
3832 | if (!zl3vni->vxlan_if) |
3833 | return NULL; | |
3834 | ||
3835 | zif = zl3vni->vxlan_if->info; | |
3836 | if (!zif) | |
3837 | return NULL; | |
3838 | ||
3839 | vxl = &zif->l2info.vxl; | |
3840 | ||
3841 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3842 | } | |
3843 | ||
3844 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3845 | { | |
3846 | struct zebra_vrf *zvrf = NULL; | |
3847 | ||
3848 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3849 | if (!zvrf) | |
3850 | return NULL; | |
3851 | ||
3852 | return zl3vni_lookup(zvrf->l3vni); | |
3853 | } | |
3854 | ||
3855 | /* | |
3856 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3857 | * neighbor notifications, to see if they are of interest. | |
3858 | */ | |
3859 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3860 | struct interface *br_if) | |
3861 | { | |
3862 | int found = 0; | |
3863 | vlanid_t vid = 0; | |
d7c0a89a | 3864 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3865 | zebra_l3vni_t *zl3vni = NULL; |
3866 | struct zebra_ns *zns = NULL; | |
3867 | struct route_node *rn = NULL; | |
3868 | struct zebra_if *zif = NULL; | |
3869 | struct interface *tmp_if = NULL; | |
3870 | struct zebra_l2info_bridge *br = NULL; | |
3871 | struct zebra_l2info_vxlan *vxl = NULL; | |
3872 | ||
3873 | if (!br_if) | |
3874 | return NULL; | |
3875 | ||
3876 | /* Make sure the linked interface is a bridge. */ | |
3877 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3878 | return NULL; | |
3879 | ||
3880 | /* Determine if bridge is VLAN-aware or not */ | |
3881 | zif = br_if->info; | |
3882 | assert(zif); | |
3883 | br = &zif->l2info.br; | |
3884 | bridge_vlan_aware = br->vlan_aware; | |
3885 | if (bridge_vlan_aware) { | |
3886 | struct zebra_l2info_vlan *vl; | |
3887 | ||
3888 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3889 | return NULL; | |
3890 | ||
3891 | zif = ifp->info; | |
3892 | assert(zif); | |
3893 | vl = &zif->l2info.vl; | |
3894 | vid = vl->vid; | |
3895 | } | |
3896 | ||
3897 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3898 | /* TODO: Optimize with a hash. */ | |
3899 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3900 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3901 | tmp_if = (struct interface *)rn->info; | |
3902 | if (!tmp_if) | |
3903 | continue; | |
3904 | zif = tmp_if->info; | |
3905 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3906 | continue; | |
3907 | if (!if_is_operative(tmp_if)) | |
3908 | continue; | |
3909 | vxl = &zif->l2info.vxl; | |
3910 | ||
3911 | if (zif->brslave_info.br_if != br_if) | |
3912 | continue; | |
3913 | ||
3914 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3915 | found = 1; | |
3916 | break; | |
3917 | } | |
3918 | } | |
3919 | ||
3920 | if (!found) | |
3921 | return NULL; | |
3922 | ||
3923 | zl3vni = zl3vni_lookup(vxl->vni); | |
3924 | return zl3vni; | |
3925 | } | |
3926 | ||
3927 | /* | |
3928 | * Inform BGP about l3-vni. | |
3929 | */ | |
3930 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3931 | { | |
3932 | struct stream *s = NULL; | |
3933 | struct zserv *client = NULL; | |
3934 | struct ethaddr rmac; | |
3935 | char buf[ETHER_ADDR_STRLEN]; | |
3936 | ||
21ccc0cf | 3937 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3938 | /* BGP may not be running. */ |
3939 | if (!client) | |
3940 | return 0; | |
3941 | ||
3942 | /* get the rmac */ | |
3943 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3944 | zl3vni_get_rmac(zl3vni, &rmac); | |
3945 | ||
1002497a | 3946 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3947 | |
996c9314 | 3948 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3949 | stream_putl(s, zl3vni->vni); |
3950 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3951 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3952 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3953 | |
3954 | /* Write packet size. */ | |
3955 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3956 | ||
3957 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3958 | zlog_debug( |
996c9314 LB |
3959 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3960 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3961 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3962 | inet_ntoa(zl3vni->local_vtep_ip), | |
3963 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3964 | ? "prefix-routes-only" | |
3965 | : "none", | |
3966 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3967 | |
3968 | client->l3vniadd_cnt++; | |
21ccc0cf | 3969 | return zserv_send_message(client, s); |
b7cfce93 MK |
3970 | } |
3971 | ||
3972 | /* | |
3973 | * Inform BGP about local l3-VNI deletion. | |
3974 | */ | |
3975 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3976 | { | |
3977 | struct stream *s = NULL; | |
3978 | struct zserv *client = NULL; | |
3979 | ||
21ccc0cf | 3980 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3981 | /* BGP may not be running. */ |
3982 | if (!client) | |
3983 | return 0; | |
3984 | ||
1002497a | 3985 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3986 | |
996c9314 | 3987 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3988 | stream_putl(s, zl3vni->vni); |
3989 | ||
3990 | /* Write packet size. */ | |
3991 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3992 | ||
3993 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3994 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3995 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3996 | zebra_route_string(client->proto)); | |
3997 | ||
3998 | client->l3vnidel_cnt++; | |
21ccc0cf | 3999 | return zserv_send_message(client, s); |
b7cfce93 MK |
4000 | } |
4001 | ||
4002 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
4003 | { | |
2aeb403d | 4004 | if (!zl3vni) |
4005 | return; | |
4006 | ||
b7cfce93 MK |
4007 | /* send l3vni add to BGP */ |
4008 | zl3vni_send_add_to_client(zl3vni); | |
4009 | } | |
4010 | ||
4011 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
4012 | { | |
2aeb403d | 4013 | if (!zl3vni) |
4014 | return; | |
4015 | ||
b7cfce93 MK |
4016 | /* send l3-vni del to BGP*/ |
4017 | zl3vni_send_del_to_client(zl3vni); | |
4018 | } | |
4019 | ||
996c9314 | 4020 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 4021 | { |
996c9314 LB |
4022 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
4023 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
4024 | |
4025 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
4026 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
4027 | } | |
4028 | ||
b7cfce93 MK |
4029 | /* |
4030 | * handle transition of vni from l2 to l3 and vice versa | |
4031 | */ | |
996c9314 LB |
4032 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
4033 | int add) | |
b7cfce93 MK |
4034 | { |
4035 | zebra_vni_t *zvni = NULL; | |
4036 | ||
4037 | /* There is a possibility that VNI notification was already received | |
4038 | * from kernel and we programmed it as L2-VNI | |
4039 | * In such a case we need to delete this L2-VNI first, so | |
4040 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
4041 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
4042 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 4043 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
4044 | */ | |
b7cfce93 MK |
4045 | if (add) { |
4046 | /* Locate hash entry */ | |
4047 | zvni = zvni_lookup(vni); | |
4048 | if (!zvni) | |
4049 | return 0; | |
4050 | ||
4051 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4052 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
4053 | |
4054 | /* Delete VNI from BGP. */ | |
4055 | zvni_send_del_to_client(zvni->vni); | |
4056 | ||
4057 | /* Free up all neighbors and MAC, if any. */ | |
4058 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
4059 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
4060 | ||
4061 | /* Free up all remote VTEPs, if any. */ | |
4062 | zvni_vtep_del_all(zvni, 0); | |
4063 | ||
4064 | /* Delete the hash entry. */ | |
4065 | if (zvni_del(zvni)) { | |
e914ccbe | 4066 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
4067 | "Failed to del VNI hash %p, VNI %u", zvni, |
4068 | zvni->vni); | |
b7cfce93 MK |
4069 | return -1; |
4070 | } | |
4071 | } else { | |
4072 | /* TODO_MITESH: This needs to be thought through. We don't have | |
4073 | * enough information at this point to reprogram the vni as | |
4074 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 4075 | * used it solely for this purpose |
4076 | */ | |
b7cfce93 MK |
4077 | } |
4078 | ||
4079 | return 0; | |
4080 | } | |
4081 | ||
5e06422c | 4082 | /* delete and uninstall rmac hash entry */ |
996c9314 | 4083 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4084 | { |
4085 | zebra_mac_t *zrmac = NULL; | |
4086 | zebra_l3vni_t *zl3vni = NULL; | |
4087 | ||
4088 | zrmac = (zebra_mac_t *)backet->data; | |
4089 | zl3vni = (zebra_l3vni_t *)ctx; | |
4090 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4091 | zl3vni_rmac_del(zl3vni, zrmac); | |
4092 | } | |
4093 | ||
4094 | /* delete and uninstall nh hash entry */ | |
996c9314 | 4095 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4096 | { |
4097 | zebra_neigh_t *n = NULL; | |
4098 | zebra_l3vni_t *zl3vni = NULL; | |
4099 | ||
4100 | n = (zebra_neigh_t *)backet->data; | |
4101 | zl3vni = (zebra_l3vni_t *)ctx; | |
4102 | zl3vni_nh_uninstall(zl3vni, n); | |
4103 | zl3vni_nh_del(zl3vni, n); | |
4104 | } | |
4105 | ||
996c9314 LB |
4106 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
4107 | uint16_t cmd) | |
31310b25 MK |
4108 | { |
4109 | struct zserv *client = NULL; | |
4110 | struct stream *s = NULL; | |
4111 | char buf[PREFIX_STRLEN]; | |
4112 | ||
21ccc0cf | 4113 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
4114 | /* BGP may not be running. */ |
4115 | if (!client) | |
4116 | return 0; | |
4117 | ||
1002497a | 4118 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 4119 | |
22bd3e94 | 4120 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
4121 | stream_put(s, p, sizeof(struct prefix)); |
4122 | ||
4123 | /* Write packet size. */ | |
4124 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4125 | ||
4126 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4127 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
4128 | prefix2str(p, buf, sizeof(buf)), |
4129 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
4130 | vrf_id_to_name(vrf_id)); | |
4131 | ||
4132 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4133 | client->prefixadd_cnt++; | |
4134 | else | |
4135 | client->prefixdel_cnt++; | |
4136 | ||
21ccc0cf | 4137 | return zserv_send_message(client, s); |
31310b25 MK |
4138 | } |
4139 | ||
a9a76262 MK |
4140 | /* re-add remote rmac if needed */ |
4141 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4142 | struct ethaddr *rmac) |
a9a76262 MK |
4143 | { |
4144 | char buf[ETHER_ADDR_STRLEN]; | |
4145 | zebra_mac_t *zrmac = NULL; | |
4146 | ||
4147 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4148 | if (!zrmac) | |
4149 | return 0; | |
4150 | ||
4151 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4152 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4153 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4154 | |
4155 | zl3vni_rmac_install(zl3vni, zrmac); | |
4156 | return 0; | |
4157 | } | |
4158 | ||
f07e1c99 | 4159 | /* Process a remote MACIP add from BGP. */ |
4160 | static void process_remote_macip_add(vni_t vni, | |
4161 | struct ethaddr *macaddr, | |
9df2b997 | 4162 | uint16_t ipa_len, |
f07e1c99 | 4163 | struct ipaddr *ipaddr, |
9df2b997 | 4164 | uint8_t flags, |
f07e1c99 | 4165 | uint32_t seq, |
4166 | struct in_addr vtep_ip) | |
c48d9f5f | 4167 | { |
f07e1c99 | 4168 | zebra_vni_t *zvni; |
4169 | zebra_vtep_t *zvtep; | |
4170 | zebra_mac_t *mac, *old_mac; | |
4171 | zebra_neigh_t *n = NULL; | |
4172 | int update_mac = 0, update_neigh = 0; | |
4173 | char buf[ETHER_ADDR_STRLEN]; | |
4174 | char buf1[INET6_ADDRSTRLEN]; | |
4175 | struct interface *ifp = NULL; | |
4176 | struct zebra_if *zif = NULL; | |
4177 | uint32_t tmp_seq; | |
a37f4598 | 4178 | bool sticky; |
4179 | bool remote_gw; | |
4180 | bool is_router; | |
c48d9f5f | 4181 | |
f07e1c99 | 4182 | /* Locate VNI hash entry - expected to exist. */ |
4183 | zvni = zvni_lookup(vni); | |
4184 | if (!zvni) { | |
4185 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4186 | return; | |
4187 | } | |
2dbad57f | 4188 | |
f07e1c99 | 4189 | ifp = zvni->vxlan_if; |
4190 | if (ifp) | |
4191 | zif = ifp->info; | |
4192 | if (!ifp || | |
4193 | !if_is_operative(ifp) || | |
4194 | !zif || | |
4195 | !zif->brslave_info.br_if) { | |
4196 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4197 | vni); | |
2dbad57f | 4198 | return; |
f07e1c99 | 4199 | } |
2dbad57f | 4200 | |
f07e1c99 | 4201 | /* The remote VTEP specified should normally exist, but it is |
4202 | * possible that when peering comes up, peer may advertise MACIP | |
4203 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4204 | */ |
f07e1c99 | 4205 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4206 | if (!zvtep) { | |
4207 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4208 | flog_err( | |
e914ccbe | 4209 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 4210 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
4211 | vni, zvni); | |
4212 | return; | |
4213 | } | |
2dbad57f | 4214 | |
f07e1c99 | 4215 | zvni_vtep_install(zvni, &vtep_ip); |
4216 | } | |
f50dc5e6 | 4217 | |
a37f4598 | 4218 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4219 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
4220 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 4221 | |
f07e1c99 | 4222 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4223 | |
f07e1c99 | 4224 | /* Ignore if the mac is already present as a gateway mac */ |
4225 | if (mac && | |
4226 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4227 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4228 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4229 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4230 | vni, | |
4231 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4232 | ipa_len ? " IP " : "", | |
4233 | ipa_len ? | |
4234 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4235 | return; |
f07e1c99 | 4236 | } |
2dbad57f | 4237 | |
f07e1c99 | 4238 | /* check if the remote MAC is unknown or has a change. |
4239 | * If so, that needs to be updated first. Note that client could | |
4240 | * install MAC and MACIP separately or just install the latter. | |
4241 | */ | |
4242 | if (!mac | |
4243 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 4244 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
4245 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 4246 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
4247 | || seq != mac->rem_seq) | |
4248 | update_mac = 1; | |
4249 | ||
4250 | if (update_mac) { | |
4251 | if (!mac) { | |
4252 | mac = zvni_mac_add(zvni, macaddr); | |
4253 | if (!mac) { | |
4254 | zlog_warn( | |
4255 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4256 | prefix_mac2str(macaddr, buf, | |
4257 | sizeof(buf)), | |
4258 | vni, inet_ntoa(vtep_ip)); | |
4259 | return; | |
4260 | } | |
4261 | ||
4262 | /* Is this MAC created for a MACIP? */ | |
4263 | if (ipa_len) | |
4264 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4265 | } else { | |
4266 | const char *mac_type; | |
4267 | ||
4268 | /* When host moves but changes its (MAC,IP) | |
4269 | * binding, BGP may install a MACIP entry that | |
4270 | * corresponds to "older" location of the host | |
4271 | * in transient situations (because {IP1,M1} | |
4272 | * is a different route from {IP1,M2}). Check | |
4273 | * the sequence number and ignore this update | |
4274 | * if appropriate. | |
4275 | */ | |
4276 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4277 | tmp_seq = mac->loc_seq; | |
4278 | mac_type = "local"; | |
4279 | } else { | |
4280 | tmp_seq = mac->rem_seq; | |
4281 | mac_type = "remote"; | |
4282 | } | |
4283 | if (seq < tmp_seq) { | |
4284 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4285 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4286 | vni, | |
4287 | prefix_mac2str(macaddr, | |
4288 | buf, sizeof(buf)), | |
4289 | ipa_len ? " IP " : "", | |
4290 | ipa_len ? | |
4291 | ipaddr2str(ipaddr, | |
4292 | buf1, sizeof(buf1)) : "", | |
4293 | mac_type, | |
4294 | tmp_seq); | |
4295 | return; | |
4296 | } | |
4297 | } | |
4298 | ||
e98e4b88 AK |
4299 | /* Remove local MAC from BGP. */ |
4300 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
4301 | zvni_mac_send_del_to_client(zvni->vni, macaddr); | |
4302 | ||
f07e1c99 | 4303 | /* Set "auto" and "remote" forwarding info. */ |
4304 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4305 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4306 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4307 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4308 | ||
4309 | if (sticky) | |
4310 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4311 | else | |
4312 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4313 | ||
4314 | if (remote_gw) | |
4315 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4316 | else | |
4317 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4318 | ||
4319 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
4320 | ||
4321 | /* Install the entry. */ | |
4322 | zvni_mac_install(zvni, mac); | |
e98e4b88 | 4323 | |
f07e1c99 | 4324 | } |
4325 | ||
4326 | /* Update seq number. */ | |
4327 | mac->rem_seq = seq; | |
4328 | ||
4329 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4330 | if (!ipa_len) { | |
4331 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4332 | return; | |
4333 | } | |
4334 | ||
4335 | /* Check if the remote neighbor itself is unknown or has a | |
4336 | * change. If so, create or update and then install the entry. | |
4337 | */ | |
4338 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4339 | if (!n | |
4340 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 4341 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 4342 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
4343 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
4344 | || seq != n->rem_seq) | |
4345 | update_neigh = 1; | |
4346 | ||
4347 | if (update_neigh) { | |
4348 | if (!n) { | |
4349 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4350 | if (!n) { | |
4351 | zlog_warn( | |
4352 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4353 | ipaddr2str(ipaddr, buf1, | |
4354 | sizeof(buf1)), | |
4355 | prefix_mac2str(macaddr, buf, | |
4356 | sizeof(buf)), | |
4357 | vni, inet_ntoa(vtep_ip)); | |
4358 | return; | |
4359 | } | |
4360 | ||
4361 | } else { | |
4362 | const char *n_type; | |
4363 | ||
4364 | /* When host moves but changes its (MAC,IP) | |
4365 | * binding, BGP may install a MACIP entry that | |
4366 | * corresponds to "older" location of the host | |
4367 | * in transient situations (because {IP1,M1} | |
4368 | * is a different route from {IP1,M2}). Check | |
4369 | * the sequence number and ignore this update | |
4370 | * if appropriate. | |
4371 | */ | |
4372 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4373 | tmp_seq = n->loc_seq; | |
4374 | n_type = "local"; | |
4375 | } else { | |
4376 | tmp_seq = n->rem_seq; | |
4377 | n_type = "remote"; | |
4378 | } | |
4379 | if (seq < tmp_seq) { | |
4380 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4381 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4382 | vni, | |
4383 | prefix_mac2str(macaddr, | |
4384 | buf, sizeof(buf)), | |
4848ef74 A |
4385 | " IP ", |
4386 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 4387 | n_type, |
4388 | tmp_seq); | |
4389 | return; | |
4390 | } | |
4391 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4392 | /* MAC change, send a delete for old | |
4393 | * neigh if learnt locally. | |
4394 | */ | |
4395 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4396 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4397 | zvni_neigh_send_del_to_client( | |
4398 | zvni->vni, &n->ip, | |
4399 | &n->emac, 0); | |
4400 | ||
4401 | /* update neigh list for macs */ | |
4402 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4403 | if (old_mac) { | |
4404 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 4405 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 4406 | } |
4407 | listnode_add_sort(mac->neigh_list, n); | |
4408 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4409 | } | |
4410 | } | |
4411 | ||
4412 | /* Set "remote" forwarding info. */ | |
4413 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4414 | n->r_vtep_ip = vtep_ip; | |
4415 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4416 | ||
4417 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4418 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4419 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4420 | else |
4421 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4422 | |
4423 | /* Install the entry. */ | |
4424 | zvni_neigh_install(zvni, n); | |
4425 | } | |
4426 | ||
4427 | /* Update seq number. */ | |
4428 | n->rem_seq = seq; | |
4429 | } | |
4430 | ||
4431 | /* Process a remote MACIP delete from BGP. */ | |
4432 | static void process_remote_macip_del(vni_t vni, | |
4433 | struct ethaddr *macaddr, | |
9df2b997 | 4434 | uint16_t ipa_len, |
f07e1c99 | 4435 | struct ipaddr *ipaddr, |
4436 | struct in_addr vtep_ip) | |
4437 | { | |
4438 | zebra_vni_t *zvni; | |
4439 | zebra_mac_t *mac = NULL; | |
4440 | zebra_neigh_t *n = NULL; | |
4441 | struct interface *ifp = NULL; | |
4442 | struct zebra_if *zif = NULL; | |
4443 | char buf[ETHER_ADDR_STRLEN]; | |
4444 | char buf1[INET6_ADDRSTRLEN]; | |
4445 | ||
4446 | /* Locate VNI hash entry - expected to exist. */ | |
4447 | zvni = zvni_lookup(vni); | |
4448 | if (!zvni) { | |
4449 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4450 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4451 | return; | |
4452 | } | |
4453 | ||
4454 | ifp = zvni->vxlan_if; | |
4455 | if (ifp) | |
4456 | zif = ifp->info; | |
4457 | if (!ifp || | |
4458 | !if_is_operative(ifp) || | |
4459 | !zif || | |
4460 | !zif->brslave_info.br_if) { | |
4461 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4462 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4463 | vni); | |
4464 | return; | |
4465 | } | |
4466 | ||
4467 | /* The remote VTEP specified is normally expected to exist, but | |
4468 | * it is possible that the peer may delete the VTEP before deleting | |
4469 | * any MACs referring to the VTEP, in which case the handler (see | |
4470 | * remote_vtep_del) would have already deleted the MACs. | |
4471 | */ | |
4472 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4473 | return; | |
4474 | ||
4475 | mac = zvni_mac_lookup(zvni, macaddr); | |
4476 | if (ipa_len) | |
4477 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4478 | ||
4479 | if (n && !mac) { | |
4480 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4481 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4482 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4483 | return; | |
4484 | } | |
4485 | ||
4486 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4487 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4488 | */ | |
4489 | if (!mac && !n) | |
4490 | return; | |
4491 | ||
4492 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4493 | if (mac | |
4494 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4495 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4496 | zlog_warn( | |
4497 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4498 | vni, | |
4499 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4500 | ipa_len ? " IP " : "", | |
4501 | ipa_len ? | |
4502 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4503 | return; | |
4504 | } | |
4505 | ||
4506 | /* Uninstall remote neighbor or MAC. */ | |
4507 | if (n) { | |
4508 | /* When the MAC changes for an IP, it is possible the | |
4509 | * client may update the new MAC before trying to delete the | |
4510 | * "old" neighbor (as these are two different MACIP routes). | |
4511 | * Do the delete only if the MAC matches. | |
4512 | */ | |
4513 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4514 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4515 | zvni_neigh_uninstall(zvni, n); | |
4516 | zvni_neigh_del(zvni, n); | |
fe697c6b | 4517 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 4518 | } |
4519 | } else { | |
4520 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4521 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
f3a930da AK |
4522 | /* |
4523 | * the remote sequence number in the auto mac entry | |
4524 | * needs to be reset to 0 as the mac entry may have | |
4525 | * been removed on all VTEPs (including | |
4526 | * the originating one) | |
4527 | */ | |
4528 | mac->rem_seq = 0; | |
f07e1c99 | 4529 | |
fe697c6b | 4530 | /* If all remote neighbors referencing a remote MAC |
4531 | * go away, we need to uninstall the MAC. | |
4532 | */ | |
4533 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 4534 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 4535 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
4536 | } | |
4537 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 4538 | zvni_mac_del(zvni, mac); |
fe697c6b | 4539 | else |
f07e1c99 | 4540 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
4541 | } | |
4542 | } | |
4543 | } | |
4544 | ||
4545 | ||
b7cfce93 MK |
4546 | /* Public functions */ |
4547 | ||
c48d9f5f MK |
4548 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4549 | { | |
4550 | zebra_l3vni_t *zl3vni = NULL; | |
4551 | ||
4552 | zl3vni = zl3vni_lookup(vni); | |
4553 | if (!zl3vni) | |
4554 | return 0; | |
4555 | ||
4556 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4557 | } | |
4558 | ||
2dbad57f | 4559 | /* handle evpn route in vrf table */ |
996c9314 LB |
4560 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4561 | struct ipaddr *vtep_ip, | |
4562 | struct prefix *host_prefix) | |
2dbad57f | 4563 | { |
4564 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4565 | struct ipaddr ipv4_vtep; |
2dbad57f | 4566 | |
4567 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4568 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4569 | return; | |
4570 | ||
3518f352 | 4571 | /* |
f50dc5e6 MK |
4572 | * add the next hop neighbor - |
4573 | * neigh to be installed is the ipv6 nexthop neigh | |
4574 | */ | |
3518f352 | 4575 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4576 | |
f50dc5e6 MK |
4577 | /* |
4578 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4579 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4580 | * support ipv4 tunnels in the h/w right now | |
4581 | */ | |
4582 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4583 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4584 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4585 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4586 | &(ipv4_vtep.ipaddr_v4)); | |
4587 | else | |
4588 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4589 | sizeof(struct in_addr)); | |
4590 | ||
3518f352 DS |
4591 | /* |
4592 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4593 | * nexthop address |
4594 | */ | |
3518f352 | 4595 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4596 | } |
4597 | ||
4598 | /* handle evpn vrf route delete */ | |
22e63104 | 4599 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4600 | struct ipaddr *vtep_ip, |
4601 | struct prefix *host_prefix) | |
2dbad57f | 4602 | { |
4603 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4604 | zebra_neigh_t *nh = NULL; |
4605 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4606 | |
4607 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4608 | if (!zl3vni) |
2dbad57f | 4609 | return; |
4610 | ||
22e63104 | 4611 | /* find the next hop entry and rmac entry */ |
4612 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4613 | if (!nh) | |
4614 | return; | |
4615 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4616 | ||
2dbad57f | 4617 | /* delete the next hop entry */ |
22e63104 | 4618 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4619 | |
4620 | /* delete the rmac entry */ | |
22e63104 | 4621 | if (zrmac) |
4622 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4623 | ||
2dbad57f | 4624 | } |
4625 | ||
996c9314 | 4626 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4627 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4628 | { |
4629 | zebra_l3vni_t *zl3vni = NULL; | |
4630 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4631 | json_object *json = NULL; |
9aa741ea | 4632 | |
316f4ca4 MK |
4633 | if (!is_evpn_enabled()) { |
4634 | if (use_json) | |
4635 | vty_out(vty, "{}\n"); | |
9aa741ea | 4636 | return; |
316f4ca4 MK |
4637 | } |
4638 | ||
4639 | if (use_json) | |
4640 | json = json_object_new_object(); | |
9aa741ea MK |
4641 | |
4642 | zl3vni = zl3vni_lookup(l3vni); | |
4643 | if (!zl3vni) { | |
316f4ca4 MK |
4644 | if (use_json) |
4645 | vty_out(vty, "{}\n"); | |
4646 | else | |
0437e105 | 4647 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); |
9aa741ea MK |
4648 | return; |
4649 | } | |
4650 | ||
4651 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4652 | if (!zrmac) { | |
316f4ca4 MK |
4653 | if (use_json) |
4654 | vty_out(vty, "{}\n"); | |
4655 | else | |
4656 | vty_out(vty, | |
0437e105 | 4657 | "%% Requested RMAC doesn't exist in L3-VNI %u", |
316f4ca4 | 4658 | l3vni); |
9aa741ea MK |
4659 | return; |
4660 | } | |
4661 | ||
316f4ca4 MK |
4662 | zl3vni_print_rmac(zrmac, vty, json); |
4663 | ||
4664 | if (use_json) { | |
4665 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4666 | json, JSON_C_TO_STRING_PRETTY)); | |
4667 | json_object_free(json); | |
4668 | } | |
9aa741ea | 4669 | } |
2dbad57f | 4670 | |
9f049418 | 4671 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4672 | { |
4673 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4674 | uint32_t num_rmacs; |
b7cfce93 MK |
4675 | struct rmac_walk_ctx wctx; |
4676 | json_object *json = NULL; | |
b7cfce93 MK |
4677 | |
4678 | if (!is_evpn_enabled()) | |
4679 | return; | |
4680 | ||
4681 | zl3vni = zl3vni_lookup(l3vni); | |
4682 | if (!zl3vni) { | |
4683 | if (use_json) | |
4684 | vty_out(vty, "{}\n"); | |
4685 | else | |
4686 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4687 | return; | |
4688 | } | |
4689 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4690 | if (!num_rmacs) | |
4691 | return; | |
4692 | ||
75223c9e | 4693 | if (use_json) |
b7cfce93 | 4694 | json = json_object_new_object(); |
b7cfce93 MK |
4695 | |
4696 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4697 | wctx.vty = vty; | |
75223c9e | 4698 | wctx.json = json; |
b7cfce93 | 4699 | if (!use_json) { |
996c9314 | 4700 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4701 | num_rmacs); |
4cce389e | 4702 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4703 | } else |
4704 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4705 | ||
4706 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4707 | ||
4708 | if (use_json) { | |
b7cfce93 MK |
4709 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4710 | json, JSON_C_TO_STRING_PRETTY)); | |
4711 | json_object_free(json); | |
4712 | } | |
4713 | } | |
4714 | ||
9f049418 | 4715 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4716 | { |
b7cfce93 | 4717 | json_object *json = NULL; |
c0b4eaa4 | 4718 | void *args[2]; |
b7cfce93 MK |
4719 | |
4720 | if (!is_evpn_enabled()) { | |
4721 | if (use_json) | |
4722 | vty_out(vty, "{}\n"); | |
4723 | return; | |
4724 | } | |
4725 | ||
b7cfce93 MK |
4726 | if (use_json) |
4727 | json = json_object_new_object(); | |
4728 | ||
c0b4eaa4 MK |
4729 | args[0] = vty; |
4730 | args[1] = json; | |
89272910 | 4731 | hash_iterate(zrouter.l3vni_table, |
c0b4eaa4 MK |
4732 | (void (*)(struct hash_backet *, |
4733 | void *))zl3vni_print_rmac_hash_all_vni, | |
4734 | args); | |
b7cfce93 MK |
4735 | |
4736 | if (use_json) { | |
4737 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4738 | json, JSON_C_TO_STRING_PRETTY)); | |
4739 | json_object_free(json); | |
4740 | } | |
4741 | } | |
4742 | ||
996c9314 | 4743 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4744 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4745 | { |
4746 | zebra_l3vni_t *zl3vni = NULL; | |
4747 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4748 | json_object *json = NULL; |
9aa741ea | 4749 | |
c0e519d3 MK |
4750 | if (!is_evpn_enabled()) { |
4751 | if (use_json) | |
4752 | vty_out(vty, "{}\n"); | |
9aa741ea | 4753 | return; |
c0e519d3 MK |
4754 | } |
4755 | ||
4756 | if (use_json) | |
4757 | json = json_object_new_object(); | |
9aa741ea MK |
4758 | |
4759 | zl3vni = zl3vni_lookup(l3vni); | |
4760 | if (!zl3vni) { | |
c0e519d3 MK |
4761 | if (use_json) |
4762 | vty_out(vty, "{}\n"); | |
4763 | else | |
4764 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4765 | return; |
4766 | } | |
4767 | ||
4768 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4769 | if (!n) { | |
c0e519d3 MK |
4770 | if (use_json) |
4771 | vty_out(vty, "{}\n"); | |
4772 | else | |
4773 | vty_out(vty, | |
4774 | "%% Requested next-hop not present for L3-VNI %u", | |
4775 | l3vni); | |
9aa741ea MK |
4776 | return; |
4777 | } | |
4778 | ||
c0e519d3 MK |
4779 | zl3vni_print_nh(n, vty, json); |
4780 | ||
4781 | if (use_json) { | |
4782 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4783 | json, JSON_C_TO_STRING_PRETTY)); | |
4784 | json_object_free(json); | |
4785 | } | |
9aa741ea MK |
4786 | } |
4787 | ||
9f049418 | 4788 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4789 | { |
d7c0a89a | 4790 | uint32_t num_nh; |
2dbad57f | 4791 | struct nh_walk_ctx wctx; |
b7cfce93 | 4792 | json_object *json = NULL; |
b7cfce93 MK |
4793 | zebra_l3vni_t *zl3vni = NULL; |
4794 | ||
4795 | if (!is_evpn_enabled()) | |
4796 | return; | |
4797 | ||
4798 | zl3vni = zl3vni_lookup(l3vni); | |
4799 | if (!zl3vni) { | |
4800 | if (use_json) | |
4801 | vty_out(vty, "{}\n"); | |
4802 | else | |
4803 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4804 | return; | |
4805 | } | |
4806 | ||
4807 | num_nh = hashcount(zl3vni->nh_table); | |
4808 | if (!num_nh) | |
4809 | return; | |
4810 | ||
9187f600 | 4811 | if (use_json) |
b7cfce93 | 4812 | json = json_object_new_object(); |
b7cfce93 | 4813 | |
2dbad57f | 4814 | wctx.vty = vty; |
9187f600 | 4815 | wctx.json = json; |
b7cfce93 | 4816 | if (!use_json) { |
996c9314 | 4817 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4818 | num_nh); |
4cce389e | 4819 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4820 | } else |
4cce389e | 4821 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4822 | |
4823 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4824 | ||
4825 | if (use_json) { | |
b7cfce93 MK |
4826 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4827 | json, JSON_C_TO_STRING_PRETTY)); | |
4828 | json_object_free(json); | |
4829 | } | |
4830 | } | |
4831 | ||
9f049418 | 4832 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4833 | { |
2dbad57f | 4834 | json_object *json = NULL; |
32798965 | 4835 | void *args[2]; |
2dbad57f | 4836 | |
4837 | if (!is_evpn_enabled()) { | |
4838 | if (use_json) | |
4839 | vty_out(vty, "{}\n"); | |
4840 | return; | |
4841 | } | |
4842 | ||
2dbad57f | 4843 | if (use_json) |
4844 | json = json_object_new_object(); | |
4845 | ||
32798965 MK |
4846 | args[0] = vty; |
4847 | args[1] = json; | |
89272910 | 4848 | hash_iterate(zrouter.l3vni_table, |
32798965 MK |
4849 | (void (*)(struct hash_backet *, |
4850 | void *))zl3vni_print_nh_hash_all_vni, | |
4851 | args); | |
2dbad57f | 4852 | |
4853 | if (use_json) { | |
4854 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4855 | json, JSON_C_TO_STRING_PRETTY)); | |
4856 | json_object_free(json); | |
4857 | } | |
b7cfce93 MK |
4858 | } |
4859 | ||
4860 | /* | |
4861 | * Display L3 VNI information (VTY command handler). | |
4862 | */ | |
9f049418 | 4863 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4864 | { |
4865 | void *args[2]; | |
4866 | json_object *json = NULL; | |
4867 | zebra_l3vni_t *zl3vni = NULL; | |
4868 | ||
b2ee5a13 MK |
4869 | if (!is_evpn_enabled()) { |
4870 | if (use_json) | |
4871 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4872 | return; |
b2ee5a13 | 4873 | } |
b7cfce93 MK |
4874 | |
4875 | zl3vni = zl3vni_lookup(vni); | |
4876 | if (!zl3vni) { | |
4877 | if (use_json) | |
4878 | vty_out(vty, "{}\n"); | |
4879 | else | |
4880 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4881 | return; | |
4882 | } | |
4883 | ||
4884 | if (use_json) | |
4885 | json = json_object_new_object(); | |
4886 | ||
b2ee5a13 MK |
4887 | args[0] = vty; |
4888 | args[1] = json; | |
b7cfce93 MK |
4889 | zl3vni_print(zl3vni, (void *)args); |
4890 | ||
4891 | if (use_json) { | |
4892 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4893 | json, JSON_C_TO_STRING_PRETTY)); | |
4894 | json_object_free(json); | |
4895 | } | |
4896 | } | |
4897 | ||
4cce389e MK |
4898 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4899 | json_object *json_vrfs) | |
b7cfce93 | 4900 | { |
4cce389e MK |
4901 | char buf[ETHER_ADDR_STRLEN]; |
4902 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4903 | |
4cce389e MK |
4904 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4905 | if (!zl3vni) | |
b7cfce93 | 4906 | return; |
b7cfce93 | 4907 | |
4cce389e MK |
4908 | if (!json_vrfs) { |
4909 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4910 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4911 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4912 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4913 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4914 | } else { |
4cce389e | 4915 | json_object *json_vrf = NULL; |
9df2b997 | 4916 | |
4cce389e | 4917 | json_vrf = json_object_new_object(); |
996c9314 | 4918 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4919 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4920 | json_object_string_add(json_vrf, "vxlanIntf", | |
4921 | zl3vni_vxlan_if_name(zl3vni)); | |
4922 | json_object_string_add(json_vrf, "sviIntf", | |
4923 | zl3vni_svi_if_name(zl3vni)); | |
4924 | json_object_string_add(json_vrf, "state", | |
4925 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4926 | json_object_string_add( |
4927 | json_vrf, "routerMac", | |
4928 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4929 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4930 | } |
4931 | } | |
4932 | ||
4933 | /* | |
4934 | * Display Neighbors for a VNI (VTY command handler). | |
4935 | */ | |
4936 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4937 | vni_t vni, bool use_json) |
b7cfce93 MK |
4938 | { |
4939 | zebra_vni_t *zvni; | |
d7c0a89a | 4940 | uint32_t num_neigh; |
b7cfce93 MK |
4941 | struct neigh_walk_ctx wctx; |
4942 | json_object *json = NULL; | |
4943 | ||
4944 | if (!is_evpn_enabled()) | |
4945 | return; | |
4946 | zvni = zvni_lookup(vni); | |
4947 | if (!zvni) { | |
4948 | if (use_json) | |
4949 | vty_out(vty, "{}\n"); | |
4950 | else | |
4951 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4952 | return; | |
4953 | } | |
4954 | num_neigh = hashcount(zvni->neigh_table); | |
4955 | if (!num_neigh) | |
4956 | return; | |
4957 | ||
4958 | if (use_json) | |
4959 | json = json_object_new_object(); | |
4960 | ||
4961 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4962 | * size, we try to be a bit more elegant in display by first computing | |
4963 | * the maximum width. | |
4964 | */ | |
4965 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4966 | wctx.zvni = zvni; | |
4967 | wctx.vty = vty; | |
4968 | wctx.addr_width = 15; | |
4969 | wctx.json = json; | |
4970 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4971 | ||
4972 | if (!use_json) { | |
4973 | vty_out(vty, | |
4974 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4975 | num_neigh); | |
1a8c5c38 | 4976 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4977 | -wctx.addr_width, "IP", "Type", | |
4978 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4979 | } else |
4980 | json_object_int_add(json, "numArpNd", num_neigh); | |
4981 | ||
4982 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4983 | if (use_json) { | |
4984 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4985 | json, JSON_C_TO_STRING_PRETTY)); | |
4986 | json_object_free(json); | |
4987 | } | |
4988 | } | |
4989 | ||
4990 | /* | |
4991 | * Display neighbors across all VNIs (VTY command handler). | |
4992 | */ | |
4993 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4994 | bool use_json) |
b7cfce93 MK |
4995 | { |
4996 | json_object *json = NULL; | |
4997 | void *args[2]; | |
4998 | ||
4999 | if (!is_evpn_enabled()) | |
5000 | return; | |
5001 | ||
5002 | if (use_json) | |
5003 | json = json_object_new_object(); | |
5004 | ||
5005 | args[0] = vty; | |
5006 | args[1] = json; | |
5007 | hash_iterate(zvrf->vni_table, | |
5008 | (void (*)(struct hash_backet *, | |
5009 | void *))zvni_print_neigh_hash_all_vni, | |
5010 | args); | |
5011 | if (use_json) { | |
5012 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5013 | json, JSON_C_TO_STRING_PRETTY)); | |
5014 | json_object_free(json); | |
5015 | } | |
5016 | } | |
5017 | ||
5018 | /* | |
5019 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
5020 | */ | |
5021 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
5022 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 5023 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
5024 | { |
5025 | zebra_vni_t *zvni; | |
5026 | zebra_neigh_t *n; | |
5027 | json_object *json = NULL; | |
5028 | ||
5029 | if (!is_evpn_enabled()) | |
5030 | return; | |
5031 | zvni = zvni_lookup(vni); | |
5032 | if (!zvni) { | |
5033 | if (use_json) | |
cd233079 CS |
5034 | vty_out(vty, "{}\n"); |
5035 | else | |
5036 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5037 | return; |
5038 | } | |
5039 | n = zvni_neigh_lookup(zvni, ip); | |
5040 | if (!n) { | |
cd233079 CS |
5041 | if (!use_json) |
5042 | vty_out(vty, | |
5043 | "%% Requested neighbor does not exist in VNI %u\n", | |
5044 | vni); | |
d62a17ae | 5045 | return; |
5046 | } | |
cd233079 CS |
5047 | if (use_json) |
5048 | json = json_object_new_object(); | |
5049 | ||
5050 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 5051 | |
cd233079 CS |
5052 | if (use_json) { |
5053 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5054 | json, JSON_C_TO_STRING_PRETTY)); | |
5055 | json_object_free(json); | |
5056 | } | |
cec2e17d | 5057 | } |
5058 | ||
5059 | /* | |
5060 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
5061 | * By definition, these are remote neighbors. | |
5062 | */ | |
d62a17ae | 5063 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5064 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5065 | bool use_json) |
cec2e17d | 5066 | { |
d62a17ae | 5067 | zebra_vni_t *zvni; |
d7c0a89a | 5068 | uint32_t num_neigh; |
d62a17ae | 5069 | struct neigh_walk_ctx wctx; |
cd233079 | 5070 | json_object *json = NULL; |
cec2e17d | 5071 | |
2853fed6 | 5072 | if (!is_evpn_enabled()) |
d62a17ae | 5073 | return; |
2853fed6 | 5074 | zvni = zvni_lookup(vni); |
d62a17ae | 5075 | if (!zvni) { |
cd233079 CS |
5076 | if (use_json) |
5077 | vty_out(vty, "{}\n"); | |
5078 | else | |
5079 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5080 | return; |
5081 | } | |
5082 | num_neigh = hashcount(zvni->neigh_table); | |
5083 | if (!num_neigh) | |
5084 | return; | |
cec2e17d | 5085 | |
d62a17ae | 5086 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
5087 | wctx.zvni = zvni; | |
5088 | wctx.vty = vty; | |
68e33151 | 5089 | wctx.addr_width = 15; |
d62a17ae | 5090 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
5091 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5092 | wctx.json = json; |
68e33151 | 5093 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 5094 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
5095 | |
5096 | if (use_json) { | |
5097 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5098 | json, JSON_C_TO_STRING_PRETTY)); | |
5099 | json_object_free(json); | |
5100 | } | |
cec2e17d | 5101 | } |
5102 | ||
5103 | /* | |
5104 | * Display MACs for a VNI (VTY command handler). | |
5105 | */ | |
d62a17ae | 5106 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5107 | vni_t vni, bool use_json) |
cec2e17d | 5108 | { |
d62a17ae | 5109 | zebra_vni_t *zvni; |
d7c0a89a | 5110 | uint32_t num_macs; |
d62a17ae | 5111 | struct mac_walk_ctx wctx; |
cd233079 CS |
5112 | json_object *json = NULL; |
5113 | json_object *json_mac = NULL; | |
cec2e17d | 5114 | |
2853fed6 | 5115 | if (!is_evpn_enabled()) |
d62a17ae | 5116 | return; |
2853fed6 | 5117 | zvni = zvni_lookup(vni); |
d62a17ae | 5118 | if (!zvni) { |
cd233079 CS |
5119 | if (use_json) |
5120 | vty_out(vty, "{}\n"); | |
5121 | else | |
5122 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5123 | return; |
5124 | } | |
790f8dc5 | 5125 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5126 | if (!num_macs) |
5127 | return; | |
cec2e17d | 5128 | |
cd233079 CS |
5129 | if (use_json) { |
5130 | json = json_object_new_object(); | |
5131 | json_mac = json_object_new_object(); | |
5132 | } | |
5133 | ||
d62a17ae | 5134 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5135 | wctx.zvni = zvni; | |
5136 | wctx.vty = vty; | |
cd233079 | 5137 | wctx.json = json_mac; |
cec2e17d | 5138 | |
cd233079 CS |
5139 | if (!use_json) { |
5140 | vty_out(vty, | |
5141 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5142 | num_macs); | |
5143 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5144 | "Intf/Remote VTEP", "VLAN"); | |
5145 | } else | |
5146 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5147 | |
d62a17ae | 5148 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5149 | |
5150 | if (use_json) { | |
5151 | json_object_object_add(json, "macs", json_mac); | |
5152 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5153 | json, JSON_C_TO_STRING_PRETTY)); | |
5154 | json_object_free(json); | |
5155 | } | |
cec2e17d | 5156 | } |
5157 | ||
5158 | /* | |
5159 | * Display MACs for all VNIs (VTY command handler). | |
5160 | */ | |
cd233079 | 5161 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5162 | bool use_json) |
cec2e17d | 5163 | { |
d62a17ae | 5164 | struct mac_walk_ctx wctx; |
cd233079 | 5165 | json_object *json = NULL; |
cec2e17d | 5166 | |
2853fed6 | 5167 | if (!is_evpn_enabled()) { |
cd233079 CS |
5168 | if (use_json) |
5169 | vty_out(vty, "{}\n"); | |
d62a17ae | 5170 | return; |
cd233079 CS |
5171 | } |
5172 | if (use_json) | |
5173 | json = json_object_new_object(); | |
5174 | ||
d62a17ae | 5175 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5176 | wctx.vty = vty; | |
cd233079 | 5177 | wctx.json = json; |
d62a17ae | 5178 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5179 | |
5180 | if (use_json) { | |
5181 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5182 | json, JSON_C_TO_STRING_PRETTY)); | |
5183 | json_object_free(json); | |
5184 | } | |
cec2e17d | 5185 | } |
5186 | ||
5187 | /* | |
5188 | * Display MACs for all VNIs (VTY command handler). | |
5189 | */ | |
d62a17ae | 5190 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5191 | struct zebra_vrf *zvrf, | |
9f049418 | 5192 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5193 | { |
d62a17ae | 5194 | struct mac_walk_ctx wctx; |
cd233079 | 5195 | json_object *json = NULL; |
cec2e17d | 5196 | |
2853fed6 | 5197 | if (!is_evpn_enabled()) |
d62a17ae | 5198 | return; |
cd233079 CS |
5199 | |
5200 | if (use_json) | |
5201 | json = json_object_new_object(); | |
5202 | ||
d62a17ae | 5203 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5204 | wctx.vty = vty; | |
5205 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5206 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5207 | wctx.json = json; |
d62a17ae | 5208 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5209 | |
5210 | if (use_json) { | |
5211 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5212 | json, JSON_C_TO_STRING_PRETTY)); | |
5213 | json_object_free(json); | |
5214 | } | |
cec2e17d | 5215 | } |
5216 | ||
5217 | /* | |
5218 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5219 | */ | |
d62a17ae | 5220 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
24cdbd0d DS |
5221 | vni_t vni, struct ethaddr *macaddr, |
5222 | bool use_json) | |
cec2e17d | 5223 | { |
d62a17ae | 5224 | zebra_vni_t *zvni; |
5225 | zebra_mac_t *mac; | |
24cdbd0d | 5226 | json_object *json = NULL; |
cec2e17d | 5227 | |
2853fed6 | 5228 | if (!is_evpn_enabled()) |
d62a17ae | 5229 | return; |
24cdbd0d | 5230 | |
2853fed6 | 5231 | zvni = zvni_lookup(vni); |
d62a17ae | 5232 | if (!zvni) { |
24cdbd0d DS |
5233 | if (use_json) |
5234 | vty_out(vty, "{}\n"); | |
5235 | else | |
5236 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5237 | return; |
5238 | } | |
5239 | mac = zvni_mac_lookup(zvni, macaddr); | |
5240 | if (!mac) { | |
24cdbd0d DS |
5241 | if (use_json) |
5242 | vty_out(vty, "{}\n"); | |
5243 | else | |
5244 | vty_out(vty, | |
5245 | "%% Requested MAC does not exist in VNI %u\n", | |
5246 | vni); | |
d62a17ae | 5247 | return; |
5248 | } | |
cec2e17d | 5249 | |
24cdbd0d DS |
5250 | if (use_json) |
5251 | json = json_object_new_object(); | |
5252 | ||
5253 | zvni_print_mac(mac, vty, json); | |
cec2e17d | 5254 | } |
5255 | ||
5256 | /* | |
5257 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5258 | */ | |
d62a17ae | 5259 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5260 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5261 | bool use_json) |
cec2e17d | 5262 | { |
d62a17ae | 5263 | zebra_vni_t *zvni; |
d7c0a89a | 5264 | uint32_t num_macs; |
d62a17ae | 5265 | struct mac_walk_ctx wctx; |
cd233079 CS |
5266 | json_object *json = NULL; |
5267 | json_object *json_mac = NULL; | |
cec2e17d | 5268 | |
2853fed6 | 5269 | if (!is_evpn_enabled()) |
d62a17ae | 5270 | return; |
2853fed6 | 5271 | zvni = zvni_lookup(vni); |
d62a17ae | 5272 | if (!zvni) { |
cd233079 CS |
5273 | if (use_json) |
5274 | vty_out(vty, "{}\n"); | |
5275 | else | |
5276 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5277 | return; |
5278 | } | |
790f8dc5 | 5279 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5280 | if (!num_macs) |
5281 | return; | |
cd233079 CS |
5282 | |
5283 | if (use_json) { | |
5284 | json = json_object_new_object(); | |
5285 | json_mac = json_object_new_object(); | |
5286 | } | |
5287 | ||
d62a17ae | 5288 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5289 | wctx.zvni = zvni; | |
5290 | wctx.vty = vty; | |
5291 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5292 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5293 | wctx.json = json_mac; |
d62a17ae | 5294 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5295 | |
5296 | if (use_json) { | |
5297 | json_object_int_add(json, "numMacs", wctx.count); | |
5298 | if (wctx.count) | |
5299 | json_object_object_add(json, "macs", json_mac); | |
5300 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5301 | json, JSON_C_TO_STRING_PRETTY)); | |
5302 | json_object_free(json); | |
5303 | } | |
cec2e17d | 5304 | } |
5305 | ||
5306 | ||
5307 | /* | |
5308 | * Display VNI information (VTY command handler). | |
5309 | */ | |
cd233079 | 5310 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5311 | bool use_json) |
cec2e17d | 5312 | { |
cd233079 CS |
5313 | json_object *json = NULL; |
5314 | void *args[2]; | |
1f2129ec | 5315 | zebra_l3vni_t *zl3vni = NULL; |
5316 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5317 | |
2853fed6 | 5318 | if (!is_evpn_enabled()) |
d62a17ae | 5319 | return; |
4cce389e | 5320 | |
cd233079 CS |
5321 | if (use_json) |
5322 | json = json_object_new_object(); | |
5323 | args[0] = vty; | |
5324 | args[1] = json; | |
4cce389e | 5325 | |
1f2129ec | 5326 | zl3vni = zl3vni_lookup(vni); |
5327 | if (zl3vni) { | |
4cce389e MK |
5328 | zl3vni_print(zl3vni, (void *)args); |
5329 | } else { | |
4cce389e MK |
5330 | zvni = zvni_lookup(vni); |
5331 | if (!zvni) { | |
5332 | if (use_json) | |
5333 | vty_out(vty, "{}\n"); | |
5334 | else | |
5335 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5336 | return; | |
5337 | } | |
5338 | ||
5339 | zvni_print(zvni, (void *)args); | |
5340 | } | |
5341 | ||
cd233079 CS |
5342 | if (use_json) { |
5343 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5344 | json, JSON_C_TO_STRING_PRETTY)); | |
5345 | json_object_free(json); | |
5346 | } | |
cec2e17d | 5347 | } |
5348 | ||
4cce389e | 5349 | /* Display all global details for EVPN */ |
088f1098 | 5350 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5351 | { |
4cce389e MK |
5352 | int num_l2vnis = 0; |
5353 | int num_l3vnis = 0; | |
d4454626 | 5354 | int num_vnis = 0; |
cd233079 | 5355 | json_object *json = NULL; |
4cce389e | 5356 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 5357 | |
2853fed6 | 5358 | if (!is_evpn_enabled()) |
d62a17ae | 5359 | return; |
4cce389e | 5360 | |
4cce389e MK |
5361 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
5362 | if (!zvrf) | |
5363 | return; | |
5364 | ||
89272910 | 5365 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 5366 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 5367 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5368 | |
5369 | if (uj) { | |
cd233079 | 5370 | json = json_object_new_object(); |
ddd16ed5 MK |
5371 | json_object_string_add(json, "advertiseGatewayMacip", |
5372 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5373 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5374 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5375 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5376 | } else { |
4cce389e MK |
5377 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5378 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5379 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5380 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5381 | } |
4cce389e MK |
5382 | |
5383 | if (uj) { | |
5384 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5385 | json, JSON_C_TO_STRING_PRETTY)); | |
5386 | json_object_free(json); | |
5387 | } | |
5388 | } | |
5389 | ||
5390 | /* | |
5391 | * Display VNI hash table (VTY command handler). | |
5392 | */ | |
5393 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5394 | bool use_json) |
4cce389e MK |
5395 | { |
5396 | json_object *json = NULL; | |
4cce389e MK |
5397 | void *args[2]; |
5398 | ||
5399 | if (!is_evpn_enabled()) | |
5400 | return; | |
5401 | ||
4cce389e MK |
5402 | if (use_json) |
5403 | json = json_object_new_object(); | |
5404 | else | |
996c9314 LB |
5405 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5406 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5407 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5408 | |
cd233079 CS |
5409 | args[0] = vty; |
5410 | args[1] = json; | |
5411 | ||
4cce389e | 5412 | /* Display all L2-VNIs */ |
cd233079 CS |
5413 | hash_iterate(zvrf->vni_table, |
5414 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5415 | args); | |
5416 | ||
4cce389e | 5417 | /* Display all L3-VNIs */ |
89272910 | 5418 | hash_iterate(zrouter.l3vni_table, |
4cce389e MK |
5419 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, |
5420 | args); | |
5421 | ||
cd233079 CS |
5422 | if (use_json) { |
5423 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5424 | json, JSON_C_TO_STRING_PRETTY)); | |
5425 | json_object_free(json); | |
5426 | } | |
cec2e17d | 5427 | } |
5428 | ||
2232a77c | 5429 | /* |
ee69da27 MK |
5430 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5431 | * / L3 interface). This may result in either the neighbor getting deleted | |
5432 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5433 | * remote neighbor). |
5434 | */ | |
ee69da27 MK |
5435 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5436 | struct interface *link_if, | |
5437 | struct ipaddr *ip) | |
d62a17ae | 5438 | { |
d62a17ae | 5439 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5440 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5441 | zebra_neigh_t *n = NULL; |
5442 | zebra_vni_t *zvni = NULL; | |
5443 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5444 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5445 | |
8c9b80b9 | 5446 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5447 | * next-hop |
5448 | */ | |
8c9b80b9 MK |
5449 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5450 | if (zl3vni) | |
5451 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5452 | |
5453 | /* We are only interested in neighbors on an SVI that resides on top | |
5454 | * of a VxLAN bridge. | |
5455 | */ | |
b7cfce93 | 5456 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5457 | if (!zvni) |
5458 | return 0; | |
8c9b80b9 | 5459 | |
d62a17ae | 5460 | if (!zvni->vxlan_if) { |
9df414fe | 5461 | zlog_debug( |
d62a17ae | 5462 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5463 | zvni->vni, zvni); | |
5464 | return -1; | |
5465 | } | |
5466 | ||
5467 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5468 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5469 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5470 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5471 | |
5472 | /* If entry doesn't exist, nothing to do. */ | |
5473 | n = zvni_neigh_lookup(zvni, ip); | |
5474 | if (!n) | |
5475 | return 0; | |
5476 | ||
b6938a74 MK |
5477 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5478 | if (!zmac) { | |
5479 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 5480 | zlog_debug( |
2853fed6 | 5481 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5482 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5483 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5484 | zvni->vni); | |
5485 | ||
5486 | return 0; | |
5487 | } | |
5488 | ||
d62a17ae | 5489 | /* If it is a remote entry, the kernel has aged this out or someone has |
5490 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5491 | */ | |
5492 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5493 | zvni_neigh_install(zvni, n); | |
5494 | return 0; | |
5495 | } | |
5496 | ||
d62a17ae | 5497 | /* Remove neighbor from BGP. */ |
b6938a74 | 5498 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5499 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5500 | |
5501 | /* Delete this neighbor entry. */ | |
5502 | zvni_neigh_del(zvni, n); | |
5503 | ||
b6938a74 MK |
5504 | /* see if the AUTO mac needs to be deleted */ |
5505 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5506 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5507 | zvni_mac_del(zvni, zmac); |
5508 | ||
d62a17ae | 5509 | return 0; |
2232a77c | 5510 | } |
5511 | ||
5512 | /* | |
ee69da27 MK |
5513 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5514 | * device / L3 interface). This is typically for a local neighbor but can | |
5515 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5516 | * also be a "move" scenario. | |
2232a77c | 5517 | */ |
ee69da27 MK |
5518 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5519 | struct interface *link_if, | |
5520 | struct ipaddr *ip, | |
5521 | struct ethaddr *macaddr, | |
5522 | uint16_t state, | |
a37f4598 | 5523 | bool is_ext, |
5524 | bool is_router) | |
d62a17ae | 5525 | { |
d62a17ae | 5526 | char buf[ETHER_ADDR_STRLEN]; |
5527 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5528 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5529 | zebra_l3vni_t *zl3vni = NULL; |
5530 | ||
5531 | /* check if this is a remote neigh entry corresponding to remote | |
5532 | * next-hop | |
5533 | */ | |
5534 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5535 | if (zl3vni) | |
5536 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5537 | |
d62a17ae | 5538 | /* We are only interested in neighbors on an SVI that resides on top |
5539 | * of a VxLAN bridge. | |
5540 | */ | |
b7cfce93 | 5541 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5542 | if (!zvni) |
5543 | return 0; | |
5544 | ||
d62a17ae | 5545 | if (IS_ZEBRA_DEBUG_VXLAN) |
5546 | zlog_debug( | |
54c17425 | 5547 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5548 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5549 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 5550 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
5551 | is_router ? "router " : "", | |
8c9b80b9 | 5552 | zvni->vni); |
d62a17ae | 5553 | |
ee69da27 | 5554 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 5555 | if (!is_ext) |
68e33151 | 5556 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 5557 | is_router); |
b7cfce93 | 5558 | |
ee69da27 | 5559 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5560 | } |
5561 | ||
b682f6de | 5562 | |
2232a77c | 5563 | /* |
5564 | * Handle message from client to delete a remote MACIP for a VNI. | |
5565 | */ | |
89f4e507 | 5566 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5567 | { |
5568 | struct stream *s; | |
5569 | vni_t vni; | |
5570 | struct ethaddr macaddr; | |
5571 | struct ipaddr ip; | |
5572 | struct in_addr vtep_ip; | |
9df2b997 | 5573 | uint16_t l = 0, ipa_len; |
d62a17ae | 5574 | char buf[ETHER_ADDR_STRLEN]; |
5575 | char buf1[INET6_ADDRSTRLEN]; | |
5576 | ||
b7cfce93 | 5577 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5578 | memset(&ip, 0, sizeof(struct ipaddr)); |
5579 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5580 | ||
1002497a | 5581 | s = msg; |
d62a17ae | 5582 | |
89f4e507 | 5583 | while (l < hdr->length) { |
d62a17ae | 5584 | /* Obtain each remote MACIP and process. */ |
5585 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5586 | * followed by remote VTEP IP. | |
5587 | */ | |
d62a17ae | 5588 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5589 | STREAM_GETL(s, vni); |
5590 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5591 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5592 | if (ipa_len) { |
5593 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5594 | : IPADDR_V6; | |
ec93aa12 | 5595 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5596 | } |
ff8b7eb8 | 5597 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5598 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5599 | l += IPV4_MAX_BYTELEN; |
5600 | ||
5601 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5602 | zlog_debug( | |
f07e1c99 | 5603 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5604 | vni, | |
d62a17ae | 5605 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5606 | ipa_len ? " IP " : "", |
5607 | ipa_len ? | |
5608 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5609 | inet_ntoa(vtep_ip), |
5610 | zebra_route_string(client->proto)); | |
5611 | ||
f07e1c99 | 5612 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5613 | } |
5614 | ||
ec93aa12 | 5615 | stream_failure: |
8068a649 | 5616 | return; |
2232a77c | 5617 | } |
5618 | ||
5619 | /* | |
5620 | * Handle message from client to add a remote MACIP for a VNI. This | |
5621 | * could be just the add of a MAC address or the add of a neighbor | |
5622 | * (IP+MAC). | |
5623 | */ | |
89f4e507 | 5624 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5625 | { |
5626 | struct stream *s; | |
5627 | vni_t vni; | |
5628 | struct ethaddr macaddr; | |
5629 | struct ipaddr ip; | |
5630 | struct in_addr vtep_ip; | |
9df2b997 | 5631 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5632 | uint8_t flags = 0; |
5633 | uint32_t seq; | |
d62a17ae | 5634 | char buf[ETHER_ADDR_STRLEN]; |
5635 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5636 | |
b7cfce93 | 5637 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5638 | memset(&ip, 0, sizeof(struct ipaddr)); |
5639 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5640 | ||
ec93aa12 | 5641 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 5642 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5643 | return; |
ec93aa12 | 5644 | } |
d62a17ae | 5645 | |
1002497a | 5646 | s = msg; |
d62a17ae | 5647 | |
89f4e507 | 5648 | while (l < hdr->length) { |
d62a17ae | 5649 | /* Obtain each remote MACIP and process. */ |
5650 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5651 | * followed by remote VTEP IP. | |
5652 | */ | |
d62a17ae | 5653 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5654 | STREAM_GETL(s, vni); |
5655 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5656 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5657 | if (ipa_len) { |
5658 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5659 | : IPADDR_V6; | |
ec93aa12 | 5660 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5661 | } |
ff8b7eb8 | 5662 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5663 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5664 | l += IPV4_MAX_BYTELEN; |
5665 | ||
ead40654 | 5666 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5667 | STREAM_GETC(s, flags); |
d62a17ae | 5668 | l++; |
f07e1c99 | 5669 | STREAM_GETL(s, seq); |
5670 | l += 4; | |
d62a17ae | 5671 | |
5672 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5673 | zlog_debug( | |
f07e1c99 | 5674 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5675 | vni, | |
d62a17ae | 5676 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5677 | ipa_len ? " IP " : "", |
5678 | ipa_len ? | |
5679 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5680 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5681 | zebra_route_string(client->proto)); |
5682 | ||
f07e1c99 | 5683 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5684 | flags, seq, vtep_ip); | |
d62a17ae | 5685 | } |
5686 | ||
ec93aa12 | 5687 | stream_failure: |
8068a649 | 5688 | return; |
13d60d35 | 5689 | } |
5690 | ||
5691 | /* | |
2232a77c | 5692 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5693 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5694 | * of any prior local MAC. | |
13d60d35 | 5695 | */ |
d62a17ae | 5696 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5697 | struct interface *br_if, | |
5698 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5699 | { |
d62a17ae | 5700 | struct zebra_if *zif; |
d62a17ae | 5701 | struct zebra_l2info_vxlan *vxl; |
5702 | vni_t vni; | |
5703 | zebra_vni_t *zvni; | |
5704 | zebra_mac_t *mac; | |
5705 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5706 | |
d62a17ae | 5707 | zif = ifp->info; |
5708 | assert(zif); | |
5709 | vxl = &zif->l2info.vxl; | |
5710 | vni = vxl->vni; | |
13d60d35 | 5711 | |
2853fed6 | 5712 | /* Check if EVPN is enabled. */ |
5713 | if (!is_evpn_enabled()) | |
d62a17ae | 5714 | return 0; |
13d60d35 | 5715 | |
d62a17ae | 5716 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5717 | zvni = zvni_lookup(vni); |
d62a17ae | 5718 | if (!zvni) |
5719 | return 0; | |
13d60d35 | 5720 | |
d62a17ae | 5721 | /* If entry doesn't exist, nothing to do. */ |
5722 | mac = zvni_mac_lookup(zvni, macaddr); | |
5723 | if (!mac) | |
5724 | return 0; | |
13d60d35 | 5725 | |
d62a17ae | 5726 | /* Is it a local entry? */ |
5727 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5728 | return 0; | |
13d60d35 | 5729 | |
d62a17ae | 5730 | if (IS_ZEBRA_DEBUG_VXLAN) |
5731 | zlog_debug( | |
2853fed6 | 5732 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5733 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5734 | ifp->ifindex, vni); | |
13d60d35 | 5735 | |
d62a17ae | 5736 | /* Remove MAC from BGP. */ |
e98e4b88 | 5737 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
13d60d35 | 5738 | |
b6938a74 MK |
5739 | /* |
5740 | * If there are no neigh associated with the mac delete the mac | |
5741 | * else mark it as AUTO for forward reference | |
5742 | */ | |
5743 | if (!listcount(mac->neigh_list)) { | |
5744 | zvni_mac_del(zvni, mac); | |
5745 | } else { | |
5746 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5747 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5748 | } | |
13d60d35 | 5749 | |
d62a17ae | 5750 | return 0; |
13d60d35 | 5751 | } |
5752 | ||
5753 | /* | |
2232a77c | 5754 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5755 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5756 | * so the kernel can ageout the entry. | |
13d60d35 | 5757 | */ |
d62a17ae | 5758 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5759 | struct interface *br_if, | |
5760 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5761 | { |
a9a76262 MK |
5762 | struct zebra_if *zif = NULL; |
5763 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5764 | vni_t vni; |
a9a76262 MK |
5765 | zebra_vni_t *zvni = NULL; |
5766 | zebra_l3vni_t *zl3vni = NULL; | |
5767 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5768 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5769 | |
d62a17ae | 5770 | zif = ifp->info; |
5771 | assert(zif); | |
5772 | vxl = &zif->l2info.vxl; | |
5773 | vni = vxl->vni; | |
2232a77c | 5774 | |
2853fed6 | 5775 | /* Check if EVPN is enabled. */ |
5776 | if (!is_evpn_enabled()) | |
d62a17ae | 5777 | return 0; |
2232a77c | 5778 | |
a9a76262 MK |
5779 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5780 | zl3vni = zl3vni_lookup(vni); | |
5781 | if (zl3vni) | |
5782 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5783 | ||
d62a17ae | 5784 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5785 | zvni = zvni_lookup(vni); |
d62a17ae | 5786 | if (!zvni) |
5787 | return 0; | |
13d60d35 | 5788 | |
d62a17ae | 5789 | /* If entry doesn't exist, nothing to do. */ |
5790 | mac = zvni_mac_lookup(zvni, macaddr); | |
5791 | if (!mac) | |
5792 | return 0; | |
2232a77c | 5793 | |
d62a17ae | 5794 | /* Is it a remote entry? */ |
5795 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5796 | return 0; | |
2232a77c | 5797 | |
d62a17ae | 5798 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5799 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5800 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5801 | ifp->ifindex, vni); | |
13d60d35 | 5802 | |
d62a17ae | 5803 | zvni_mac_install(zvni, mac); |
5804 | return 0; | |
13d60d35 | 5805 | } |
5806 | ||
5807 | /* | |
2232a77c | 5808 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5809 | */ |
d62a17ae | 5810 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5811 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5812 | { |
d62a17ae | 5813 | zebra_vni_t *zvni; |
5814 | zebra_mac_t *mac; | |
d62a17ae | 5815 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5816 | |
d62a17ae | 5817 | /* We are interested in MACs only on ports or (port, VLAN) that |
5818 | * map to a VNI. | |
5819 | */ | |
5820 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5821 | if (!zvni) | |
5822 | return 0; | |
5823 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5824 | zlog_debug( |
5825 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5826 | zvni->vni, zvni); | |
d62a17ae | 5827 | return -1; |
5828 | } | |
13d60d35 | 5829 | |
d62a17ae | 5830 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5831 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5832 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5833 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5834 | |
d62a17ae | 5835 | /* If entry doesn't exist, nothing to do. */ |
5836 | mac = zvni_mac_lookup(zvni, macaddr); | |
5837 | if (!mac) | |
5838 | return 0; | |
2232a77c | 5839 | |
d62a17ae | 5840 | /* Is it a local entry? */ |
5841 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5842 | return 0; | |
2232a77c | 5843 | |
b6938a74 | 5844 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5845 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5846 | |
f07e1c99 | 5847 | /* Remove MAC from BGP. */ |
e98e4b88 | 5848 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
f07e1c99 | 5849 | |
b6938a74 MK |
5850 | /* |
5851 | * If there are no neigh associated with the mac delete the mac | |
5852 | * else mark it as AUTO for forward reference | |
5853 | */ | |
5854 | if (!listcount(mac->neigh_list)) { | |
5855 | zvni_mac_del(zvni, mac); | |
5856 | } else { | |
5857 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5858 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5859 | } | |
2232a77c | 5860 | |
d62a17ae | 5861 | return 0; |
13d60d35 | 5862 | } |
5863 | ||
5864 | /* | |
2232a77c | 5865 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5866 | */ |
d62a17ae | 5867 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5868 | struct interface *br_if, | |
5869 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 5870 | bool sticky) |
d62a17ae | 5871 | { |
5872 | zebra_vni_t *zvni; | |
5873 | zebra_mac_t *mac; | |
d62a17ae | 5874 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5875 | bool mac_sticky = false; |
5876 | bool inform_client = false; | |
5877 | bool upd_neigh = false; | |
d62a17ae | 5878 | |
5879 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5880 | * map to a VNI. | |
5881 | */ | |
5882 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5883 | if (!zvni) { | |
5884 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5885 | zlog_debug( | |
2853fed6 | 5886 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5887 | sticky ? "sticky " : "", | |
d62a17ae | 5888 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5889 | ifp->name, ifp->ifindex, vid); | |
5890 | return 0; | |
5891 | } | |
5892 | ||
5893 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5894 | zlog_debug( |
5895 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5896 | zvni->vni, zvni); | |
d62a17ae | 5897 | return -1; |
5898 | } | |
5899 | ||
f07e1c99 | 5900 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5901 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5902 | if (!mac) { |
5903 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5904 | zlog_debug( | |
5905 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5906 | sticky ? "sticky " : "", | |
5907 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5908 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5909 | |
f07e1c99 | 5910 | mac = zvni_mac_add(zvni, macaddr); |
5911 | if (!mac) { | |
5912 | flog_err( | |
e914ccbe | 5913 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 5914 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
5915 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5916 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5917 | return -1; | |
5918 | } | |
5919 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5920 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5921 | mac->fwd_info.local.vid = vid; | |
5922 | if (sticky) | |
5923 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5924 | inform_client = true; | |
5925 | ||
5926 | } else { | |
5927 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5928 | zlog_debug( | |
5929 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5930 | sticky ? "sticky " : "", | |
5931 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5932 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5933 | mac->flags); | |
5934 | ||
5935 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5936 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5937 | mac_sticky = true; | |
b6938a74 | 5938 | |
b8ce75a5 | 5939 | /* |
f07e1c99 | 5940 | * Update any changes and if changes are relevant to |
5941 | * BGP, note it. | |
b8ce75a5 | 5942 | */ |
d62a17ae | 5943 | if (mac_sticky == sticky |
5944 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5945 | && mac->fwd_info.local.vid == vid) { | |
5946 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5947 | zlog_debug( | |
2853fed6 | 5948 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5949 | "entry exists and has not changed ", |
d62a17ae | 5950 | sticky ? "sticky " : "", |
5951 | prefix_mac2str(macaddr, buf, | |
5952 | sizeof(buf)), | |
5953 | ifp->name, ifp->ifindex, vid, | |
5954 | zvni->vni); | |
5955 | return 0; | |
b6938a74 | 5956 | } |
f07e1c99 | 5957 | if (mac_sticky != sticky) { |
5958 | if (sticky) | |
5959 | SET_FLAG(mac->flags, | |
5960 | ZEBRA_MAC_STICKY); | |
5961 | else | |
5962 | UNSET_FLAG(mac->flags, | |
5963 | ZEBRA_MAC_STICKY); | |
5964 | inform_client = true; | |
5965 | } | |
5966 | ||
5967 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5968 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5969 | mac->fwd_info.local.vid = vid; | |
5970 | ||
5971 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5972 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5973 | ||
421bb26a | 5974 | /* |
f07e1c99 | 5975 | * MAC has either moved or was "internally" created due |
5976 | * to a neighbor learn and is now actually learnt. If | |
5977 | * it was learnt as a remote sticky MAC, this is an | |
5978 | * operator error. | |
421bb26a | 5979 | */ |
8f4b98ee | 5980 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 5981 | flog_warn( |
e914ccbe | 5982 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 5983 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
5984 | prefix_mac2str(macaddr, buf, |
5985 | sizeof(buf)), | |
5986 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5987 | zvni->vni); | |
8f4b98ee MK |
5988 | return 0; |
5989 | } | |
d62a17ae | 5990 | |
f07e1c99 | 5991 | /* If an actual move, compute MAC's seq number */ |
5992 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5993 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5994 | mac->loc_seq); | |
5995 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5996 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5997 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5998 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5999 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
6000 | mac->fwd_info.local.vid = vid; | |
6001 | if (sticky) | |
6002 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
6003 | else | |
6004 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
6005 | /* | |
6006 | * We have to inform BGP of this MAC as well as process | |
6007 | * all neighbors. | |
6008 | */ | |
6009 | inform_client = true; | |
6010 | upd_neigh = true; | |
d62a17ae | 6011 | } |
6012 | } | |
6013 | ||
d62a17ae | 6014 | /* Inform BGP if required. */ |
f07e1c99 | 6015 | if (inform_client) { |
6016 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
6017 | mac->flags, mac->loc_seq)) | |
6018 | return -1; | |
b6938a74 | 6019 | } |
d62a17ae | 6020 | |
f07e1c99 | 6021 | /* Process all neighbors associated with this MAC, if required. */ |
6022 | if (upd_neigh) | |
6023 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6024 | ||
d62a17ae | 6025 | return 0; |
2232a77c | 6026 | } |
13d60d35 | 6027 | |
6028 | /* | |
6029 | * Handle message from client to delete a remote VTEP for a VNI. | |
6030 | */ | |
89f4e507 | 6031 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 6032 | { |
6033 | struct stream *s; | |
d7c0a89a | 6034 | unsigned short l = 0; |
d62a17ae | 6035 | vni_t vni; |
6036 | struct in_addr vtep_ip; | |
6037 | zebra_vni_t *zvni; | |
6038 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 6039 | struct interface *ifp; |
6040 | struct zebra_if *zif; | |
d62a17ae | 6041 | |
ec93aa12 | 6042 | if (!is_evpn_enabled()) { |
9df414fe | 6043 | zlog_debug( |
996c9314 LB |
6044 | "%s: EVPN is not enabled yet we have received a vtep del command", |
6045 | __PRETTY_FUNCTION__); | |
8068a649 | 6046 | return; |
ec93aa12 DS |
6047 | } |
6048 | ||
2853fed6 | 6049 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6050 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
6051 | zvrf_id(zvrf)); | |
8068a649 | 6052 | return; |
2853fed6 | 6053 | } |
6054 | ||
1002497a | 6055 | s = msg; |
d62a17ae | 6056 | |
89f4e507 | 6057 | while (l < hdr->length) { |
d62a17ae | 6058 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6059 | STREAM_GETL(s, vni); |
d62a17ae | 6060 | l += 4; |
ec93aa12 | 6061 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6062 | l += IPV4_MAX_BYTELEN; |
6063 | ||
6064 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6065 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
6066 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6067 | zebra_route_string(client->proto)); |
6068 | ||
6069 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6070 | zvni = zvni_lookup(vni); |
d62a17ae | 6071 | if (!zvni) { |
6072 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6073 | zlog_debug( | |
6074 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 6075 | "VNI %u", |
6076 | vni); | |
d62a17ae | 6077 | continue; |
6078 | } | |
6079 | ||
b5ebdc9b | 6080 | ifp = zvni->vxlan_if; |
6081 | if (!ifp) { | |
9df414fe | 6082 | zlog_debug( |
60466a63 QY |
6083 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
6084 | zvni->vni, zvni); | |
b682f6de | 6085 | continue; |
b5ebdc9b | 6086 | } |
6087 | zif = ifp->info; | |
6088 | ||
6089 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6090 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 6091 | continue; |
6092 | ||
d62a17ae | 6093 | /* If the remote VTEP does not exist, there's nothing more to |
6094 | * do. | |
6095 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
6096 | * and | |
6097 | * then, the VTEP entry itself and remove it. | |
6098 | */ | |
6099 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
6100 | if (!zvtep) | |
6101 | continue; | |
6102 | ||
6103 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
6104 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
6105 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
6106 | zvni_vtep_del(zvni, zvtep); | |
6107 | } | |
6108 | ||
ec93aa12 | 6109 | stream_failure: |
8068a649 | 6110 | return; |
13d60d35 | 6111 | } |
6112 | ||
6113 | /* | |
6114 | * Handle message from client to add a remote VTEP for a VNI. | |
6115 | */ | |
89f4e507 | 6116 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6117 | { |
6118 | struct stream *s; | |
d7c0a89a | 6119 | unsigned short l = 0; |
d62a17ae | 6120 | vni_t vni; |
6121 | struct in_addr vtep_ip; | |
6122 | zebra_vni_t *zvni; | |
b5ebdc9b | 6123 | struct interface *ifp; |
6124 | struct zebra_if *zif; | |
d62a17ae | 6125 | |
ec93aa12 | 6126 | if (!is_evpn_enabled()) { |
9df414fe | 6127 | zlog_debug( |
996c9314 LB |
6128 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
6129 | __PRETTY_FUNCTION__); | |
8068a649 | 6130 | return; |
ec93aa12 DS |
6131 | } |
6132 | ||
2853fed6 | 6133 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6134 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6135 | zvrf_id(zvrf)); | |
8068a649 | 6136 | return; |
2853fed6 | 6137 | } |
d62a17ae | 6138 | |
1002497a | 6139 | s = msg; |
d62a17ae | 6140 | |
89f4e507 | 6141 | while (l < hdr->length) { |
d62a17ae | 6142 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6143 | STREAM_GETL(s, vni); |
d62a17ae | 6144 | l += 4; |
ec93aa12 | 6145 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6146 | l += IPV4_MAX_BYTELEN; |
6147 | ||
6148 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6149 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6150 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6151 | zebra_route_string(client->proto)); |
6152 | ||
6153 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6154 | zvni = zvni_lookup(vni); |
d62a17ae | 6155 | if (!zvni) { |
af4c2728 | 6156 | flog_err( |
e914ccbe | 6157 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6158 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6159 | vni); | |
d62a17ae | 6160 | continue; |
6161 | } | |
b5ebdc9b | 6162 | |
6163 | ifp = zvni->vxlan_if; | |
6164 | if (!ifp) { | |
af4c2728 | 6165 | flog_err( |
e914ccbe | 6166 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6167 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6168 | zvni->vni, zvni); | |
6169 | continue; | |
6170 | } | |
6171 | ||
b5ebdc9b | 6172 | zif = ifp->info; |
d62a17ae | 6173 | |
b5ebdc9b | 6174 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6175 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6176 | continue; |
6177 | ||
b682f6de | 6178 | /* If the remote VTEP already exists, |
6179 | there's nothing more to do. */ | |
b5ebdc9b | 6180 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6181 | continue; |
6182 | ||
6183 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6184 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6185 | "Failed to add remote VTEP, VNI %u zvni %p", |
6186 | vni, zvni); | |
d62a17ae | 6187 | continue; |
6188 | } | |
6189 | ||
6190 | zvni_vtep_install(zvni, &vtep_ip); | |
6191 | } | |
6192 | ||
ec93aa12 | 6193 | stream_failure: |
8068a649 | 6194 | return; |
13d60d35 | 6195 | } |
6196 | ||
1a98c087 MK |
6197 | /* |
6198 | * Add/Del gateway macip to evpn | |
6199 | * g/w can be: | |
6200 | * 1. SVI interface on a vlan aware bridge | |
6201 | * 2. SVI interface on a vlan unaware bridge | |
6202 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6203 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6204 | */ | |
6205 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6206 | int add) | |
6207 | { | |
6208 | struct ipaddr ip; | |
6209 | struct ethaddr macaddr; | |
6210 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6211 | |
6212 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6213 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6214 | ||
2853fed6 | 6215 | /* Check if EVPN is enabled. */ |
6216 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6217 | return 0; |
6218 | ||
1a98c087 MK |
6219 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6220 | struct interface *svi_if = | |
6221 | NULL; /* SVI corresponding to the MACVLAN */ | |
6222 | struct zebra_if *ifp_zif = | |
6223 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6224 | struct zebra_if *svi_if_zif = | |
6225 | NULL; /* Zebra daemon specific info for SVI*/ | |
6226 | ||
6227 | ifp_zif = ifp->info; | |
6228 | if (!ifp_zif) | |
6229 | return -1; | |
6230 | ||
71349e03 MK |
6231 | /* |
6232 | * for a MACVLAN interface the link represents the svi_if | |
6233 | */ | |
6234 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6235 | ifp_zif->link_ifindex); | |
1a98c087 | 6236 | if (!svi_if) { |
9df414fe QY |
6237 | zlog_debug("MACVLAN %s(%u) without link information", |
6238 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6239 | return -1; |
6240 | } | |
6241 | ||
6242 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6243 | /* |
6244 | * If it is a vlan aware bridge then the link gives the | |
6245 | * bridge information | |
6246 | */ | |
6247 | struct interface *svi_if_link = NULL; | |
6248 | ||
1a98c087 | 6249 | svi_if_zif = svi_if->info; |
71349e03 MK |
6250 | if (svi_if_zif) { |
6251 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6252 | zebra_ns_lookup(NS_DEFAULT), |
6253 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6254 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6255 | } |
1a98c087 | 6256 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6257 | /* |
6258 | * If it is a vlan unaware bridge then svi is the bridge | |
6259 | * itself | |
6260 | */ | |
b7cfce93 | 6261 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6262 | } |
6263 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6264 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6265 | NULL; /* Zebra daemon specific info for SVI */ |
6266 | struct interface *svi_if_link = | |
6267 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6268 | |
6269 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6270 | if (svi_if_zif) { |
6271 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6272 | zebra_ns_lookup(NS_DEFAULT), |
6273 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6274 | if (svi_if_link) |
6275 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6276 | } | |
1a98c087 | 6277 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6278 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6279 | } |
6280 | ||
6281 | if (!zvni) | |
6282 | return 0; | |
6283 | ||
6284 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6285 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6286 | zvni->vni, zvni); | |
1a98c087 MK |
6287 | return -1; |
6288 | } | |
6289 | ||
1a98c087 | 6290 | |
1a98c087 MK |
6291 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6292 | ||
6293 | if (p->family == AF_INET) { | |
6294 | ip.ipa_type = IPADDR_V4; | |
6295 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6296 | sizeof(struct in_addr)); | |
6297 | } else if (p->family == AF_INET6) { | |
6298 | ip.ipa_type = IPADDR_V6; | |
6299 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6300 | sizeof(struct in6_addr)); | |
6301 | } | |
6302 | ||
6303 | ||
6304 | if (add) | |
6305 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6306 | else | |
6307 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6308 | ||
6309 | return 0; | |
6310 | } | |
6311 | ||
2232a77c | 6312 | /* |
b7cfce93 MK |
6313 | * Handle SVI interface going down. |
6314 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6315 | * For L2-VNI: At this point, this is a NOP since | |
6316 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6317 | * We only need to update the vrf corresponding to zvni. | |
6318 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6319 | * from bgp | |
2232a77c | 6320 | */ |
d62a17ae | 6321 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6322 | { |
b7cfce93 MK |
6323 | zebra_l3vni_t *zl3vni = NULL; |
6324 | ||
6325 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6326 | if (zl3vni) { | |
6327 | ||
6328 | /* process l3-vni down */ | |
6329 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6330 | ||
6331 | /* remove association with svi-if */ | |
6332 | zl3vni->svi_if = NULL; | |
6333 | } else { | |
6334 | zebra_vni_t *zvni = NULL; | |
6335 | ||
6336 | /* since we dont have svi corresponding to zvni, we associate it | |
6337 | * to default vrf. Note: the corresponding neigh entries on the | |
6338 | * SVI would have already been deleted */ | |
6339 | zvni = zvni_from_svi(ifp, link_if); | |
6340 | if (zvni) { | |
6341 | zvni->vrf_id = VRF_DEFAULT; | |
6342 | ||
6343 | /* update the tenant vrf in BGP */ | |
6344 | zvni_send_add_to_client(zvni); | |
6345 | } | |
6346 | } | |
d62a17ae | 6347 | return 0; |
2232a77c | 6348 | } |
6349 | ||
6350 | /* | |
b7cfce93 MK |
6351 | * Handle SVI interface coming up. |
6352 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6353 | * vxlan intf). | |
6354 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6355 | * apr-suppression) | |
6356 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6357 | */ |
d62a17ae | 6358 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6359 | { |
b7cfce93 MK |
6360 | zebra_vni_t *zvni = NULL; |
6361 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6362 | |
b7cfce93 MK |
6363 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6364 | if (zl3vni) { | |
2232a77c | 6365 | |
b7cfce93 MK |
6366 | /* associate with svi */ |
6367 | zl3vni->svi_if = ifp; | |
2232a77c | 6368 | |
b7cfce93 MK |
6369 | /* process oper-up */ |
6370 | if (is_l3vni_oper_up(zl3vni)) | |
6371 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6372 | } else { | |
6373 | ||
6374 | /* process SVI up for l2-vni */ | |
6375 | struct neigh_walk_ctx n_wctx; | |
6376 | ||
6377 | zvni = zvni_from_svi(ifp, link_if); | |
6378 | if (!zvni) | |
6379 | return 0; | |
6380 | ||
6381 | if (!zvni->vxlan_if) { | |
9df414fe | 6382 | zlog_debug( |
43e52561 QY |
6383 | "VNI %u hash %p doesn't have intf upon SVI up", |
6384 | zvni->vni, zvni); | |
b7cfce93 MK |
6385 | return -1; |
6386 | } | |
6387 | ||
6388 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6389 | zlog_debug( |
6390 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6391 | ifp->name, ifp->ifindex, zvni->vni, | |
6392 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6393 | |
b7cfce93 MK |
6394 | /* update the vrf information for l2-vni and inform bgp */ |
6395 | zvni->vrf_id = ifp->vrf_id; | |
6396 | zvni_send_add_to_client(zvni); | |
6397 | ||
6398 | /* Install any remote neighbors for this VNI. */ | |
6399 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6400 | n_wctx.zvni = zvni; | |
996c9314 | 6401 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6402 | &n_wctx); |
6403 | } | |
2232a77c | 6404 | |
d62a17ae | 6405 | return 0; |
2232a77c | 6406 | } |
6407 | ||
13d60d35 | 6408 | /* |
b7cfce93 | 6409 | * Handle VxLAN interface down |
13d60d35 | 6410 | */ |
d62a17ae | 6411 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6412 | { |
d62a17ae | 6413 | vni_t vni; |
b7cfce93 MK |
6414 | struct zebra_if *zif = NULL; |
6415 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6416 | zebra_l3vni_t *zl3vni = NULL; |
6417 | zebra_vni_t *zvni; | |
13d60d35 | 6418 | |
2853fed6 | 6419 | /* Check if EVPN is enabled. */ |
6420 | if (!is_evpn_enabled()) | |
d62a17ae | 6421 | return 0; |
13d60d35 | 6422 | |
d62a17ae | 6423 | zif = ifp->info; |
6424 | assert(zif); | |
6425 | vxl = &zif->l2info.vxl; | |
6426 | vni = vxl->vni; | |
13d60d35 | 6427 | |
643215ce | 6428 | zl3vni = zl3vni_lookup(vni); |
6429 | if (zl3vni) { | |
b7cfce93 | 6430 | /* process-if-down for l3-vni */ |
b7cfce93 | 6431 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6432 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6433 | ifp->ifindex, vni); | |
b7cfce93 | 6434 | |
b7cfce93 | 6435 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6436 | } else { |
6437 | /* process if-down for l2-vni */ | |
b7cfce93 | 6438 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6439 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6440 | ifp->ifindex, vni); | |
13d60d35 | 6441 | |
b7cfce93 MK |
6442 | /* Locate hash entry; it is expected to exist. */ |
6443 | zvni = zvni_lookup(vni); | |
6444 | if (!zvni) { | |
9df414fe | 6445 | zlog_debug( |
b7cfce93 MK |
6446 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6447 | ifp->name, ifp->ifindex, vni); | |
6448 | return -1; | |
6449 | } | |
13d60d35 | 6450 | |
b7cfce93 | 6451 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6452 | |
b7cfce93 MK |
6453 | /* Delete this VNI from BGP. */ |
6454 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6455 | |
b7cfce93 MK |
6456 | /* Free up all neighbors and MACs, if any. */ |
6457 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6458 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6459 | |
b7cfce93 MK |
6460 | /* Free up all remote VTEPs, if any. */ |
6461 | zvni_vtep_del_all(zvni, 1); | |
6462 | } | |
d62a17ae | 6463 | return 0; |
13d60d35 | 6464 | } |
6465 | ||
6466 | /* | |
6467 | * Handle VxLAN interface up - update BGP if required. | |
6468 | */ | |
d62a17ae | 6469 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6470 | { |
d62a17ae | 6471 | vni_t vni; |
b7cfce93 MK |
6472 | struct zebra_if *zif = NULL; |
6473 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6474 | zebra_vni_t *zvni = NULL; |
6475 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6476 | |
2853fed6 | 6477 | /* Check if EVPN is enabled. */ |
6478 | if (!is_evpn_enabled()) | |
d62a17ae | 6479 | return 0; |
13d60d35 | 6480 | |
d62a17ae | 6481 | zif = ifp->info; |
6482 | assert(zif); | |
6483 | vxl = &zif->l2info.vxl; | |
6484 | vni = vxl->vni; | |
13d60d35 | 6485 | |
643215ce | 6486 | zl3vni = zl3vni_lookup(vni); |
6487 | if (zl3vni) { | |
13d60d35 | 6488 | |
b7cfce93 | 6489 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6490 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6491 | ifp->ifindex, vni); | |
13d60d35 | 6492 | |
b7cfce93 | 6493 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6494 | * svi-if only after association with vxlan-intf is complete |
6495 | */ | |
b7cfce93 MK |
6496 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6497 | ||
6498 | if (is_l3vni_oper_up(zl3vni)) | |
6499 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6500 | } else { | |
6501 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6502 | struct interface *vlan_if = NULL; |
6503 | ||
6504 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6505 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6506 | ifp->ifindex, vni); | |
b7cfce93 MK |
6507 | |
6508 | /* Locate hash entry; it is expected to exist. */ | |
6509 | zvni = zvni_lookup(vni); | |
6510 | if (!zvni) { | |
9df414fe | 6511 | zlog_debug( |
b7cfce93 MK |
6512 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6513 | ifp->name, ifp->ifindex, vni); | |
6514 | return -1; | |
6515 | } | |
6516 | ||
6517 | assert(zvni->vxlan_if == ifp); | |
6518 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6519 | zif->brslave_info.br_if); | |
6520 | if (vlan_if) { | |
6521 | zvni->vrf_id = vlan_if->vrf_id; | |
6522 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6523 | if (zl3vni) | |
6524 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6525 | } | |
6526 | ||
6527 | /* If part of a bridge, inform BGP about this VNI. */ | |
6528 | /* Also, read and populate local MACs and neighbors. */ | |
6529 | if (zif->brslave_info.br_if) { | |
6530 | zvni_send_add_to_client(zvni); | |
6531 | zvni_read_mac_neigh(zvni, ifp); | |
6532 | } | |
d62a17ae | 6533 | } |
13d60d35 | 6534 | |
d62a17ae | 6535 | return 0; |
13d60d35 | 6536 | } |
6537 | ||
6538 | /* | |
6539 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6540 | * and update BGP, if required. | |
6541 | */ | |
d62a17ae | 6542 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6543 | { |
d62a17ae | 6544 | vni_t vni; |
b7cfce93 MK |
6545 | struct zebra_if *zif = NULL; |
6546 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6547 | zebra_vni_t *zvni = NULL; |
6548 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6549 | |
2853fed6 | 6550 | /* Check if EVPN is enabled. */ |
6551 | if (!is_evpn_enabled()) | |
d62a17ae | 6552 | return 0; |
13d60d35 | 6553 | |
d62a17ae | 6554 | zif = ifp->info; |
6555 | assert(zif); | |
6556 | vxl = &zif->l2info.vxl; | |
6557 | vni = vxl->vni; | |
13d60d35 | 6558 | |
643215ce | 6559 | zl3vni = zl3vni_lookup(vni); |
6560 | if (zl3vni) { | |
b7cfce93 MK |
6561 | |
6562 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6563 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6564 | ifp->ifindex); | |
13d60d35 | 6565 | |
b7cfce93 MK |
6566 | /* process oper-down for l3-vni */ |
6567 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6568 | |
b7cfce93 | 6569 | /* remove the association with vxlan_if */ |
b67a60d2 | 6570 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6571 | zl3vni->vxlan_if = NULL; |
6572 | } else { | |
13d60d35 | 6573 | |
b7cfce93 | 6574 | /* process if-del for l2-vni*/ |
b7cfce93 | 6575 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6576 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6577 | ifp->ifindex); | |
b7cfce93 MK |
6578 | |
6579 | /* Locate hash entry; it is expected to exist. */ | |
6580 | zvni = zvni_lookup(vni); | |
6581 | if (!zvni) { | |
9df414fe | 6582 | zlog_debug( |
b7cfce93 MK |
6583 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6584 | ifp->name, ifp->ifindex, vni); | |
6585 | return 0; | |
6586 | } | |
6587 | ||
6588 | /* remove from l3-vni list */ | |
6589 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6590 | if (zl3vni) | |
6591 | listnode_delete(zl3vni->l2vnis, zvni); | |
6592 | ||
6593 | /* Delete VNI from BGP. */ | |
6594 | zvni_send_del_to_client(zvni->vni); | |
6595 | ||
6596 | /* Free up all neighbors and MAC, if any. */ | |
6597 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6598 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6599 | ||
6600 | /* Free up all remote VTEPs, if any. */ | |
6601 | zvni_vtep_del_all(zvni, 0); | |
6602 | ||
6603 | /* Delete the hash entry. */ | |
6604 | if (zvni_del(zvni)) { | |
e914ccbe | 6605 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
6606 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6607 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6608 | return -1; |
6609 | } | |
d62a17ae | 6610 | } |
d62a17ae | 6611 | return 0; |
13d60d35 | 6612 | } |
6613 | ||
6614 | /* | |
6615 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6616 | */ | |
d7c0a89a | 6617 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6618 | { |
d62a17ae | 6619 | vni_t vni; |
b7cfce93 MK |
6620 | struct zebra_if *zif = NULL; |
6621 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6622 | zebra_vni_t *zvni = NULL; |
6623 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6624 | |
2853fed6 | 6625 | /* Check if EVPN is enabled. */ |
6626 | if (!is_evpn_enabled()) | |
d62a17ae | 6627 | return 0; |
6628 | ||
6629 | zif = ifp->info; | |
6630 | assert(zif); | |
6631 | vxl = &zif->l2info.vxl; | |
6632 | vni = vxl->vni; | |
6633 | ||
643215ce | 6634 | zl3vni = zl3vni_lookup(vni); |
6635 | if (zl3vni) { | |
af026ae4 | 6636 | |
b7cfce93 MK |
6637 | if (IS_ZEBRA_DEBUG_VXLAN) |
6638 | zlog_debug( | |
6639 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6640 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6641 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6642 | zif->brslave_info.bridge_ifindex, chgflags); |
6643 | ||
6644 | /* Removed from bridge? Cleanup and return */ | |
6645 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6646 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6647 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6648 | return 0; | |
6649 | } | |
6650 | ||
6651 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6652 | * svi_if and then process oper up again |
6653 | */ | |
b7cfce93 MK |
6654 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6655 | if (if_is_operative(ifp)) { | |
6656 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6657 | zl3vni->svi_if = NULL; | |
6658 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6659 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6660 | if (is_l3vni_oper_up(zl3vni)) |
6661 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6662 | zl3vni); |
b7cfce93 MK |
6663 | } |
6664 | } | |
d62a17ae | 6665 | |
12eeac84 MK |
6666 | /* |
6667 | * local-ip change - process oper down, associate with new | |
6668 | * local-ip and then process oper up again | |
6669 | */ | |
6670 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6671 | if (if_is_operative(ifp)) { | |
6672 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6673 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6674 | if (is_l3vni_oper_up(zl3vni)) | |
6675 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6676 | zl3vni); |
12eeac84 MK |
6677 | } |
6678 | } | |
6679 | ||
bca63dc8 MK |
6680 | /* Update local tunnel IP. */ |
6681 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6682 | ||
12eeac84 MK |
6683 | /* if we have a valid new master, process l3-vni oper up */ |
6684 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6685 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6686 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6687 | } | |
6688 | } else { | |
d62a17ae | 6689 | |
b7cfce93 MK |
6690 | /* Update VNI hash. */ |
6691 | zvni = zvni_lookup(vni); | |
6692 | if (!zvni) { | |
9df414fe | 6693 | zlog_debug( |
b7cfce93 MK |
6694 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6695 | ifp->name, ifp->ifindex, vni); | |
6696 | return -1; | |
6697 | } | |
d62a17ae | 6698 | |
b7cfce93 MK |
6699 | if (IS_ZEBRA_DEBUG_VXLAN) |
6700 | zlog_debug( | |
6701 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6702 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6703 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6704 | zif->brslave_info.bridge_ifindex, chgflags); |
6705 | ||
6706 | /* Removed from bridge? Cleanup and return */ | |
6707 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6708 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6709 | /* Delete from client, remove all remote VTEPs */ | |
6710 | /* Also, free up all MACs and neighbors. */ | |
6711 | zvni_send_del_to_client(zvni->vni); | |
6712 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6713 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6714 | zvni_vtep_del_all(zvni, 1); | |
6715 | return 0; | |
6716 | } | |
d62a17ae | 6717 | |
b7cfce93 MK |
6718 | /* Handle other changes. */ |
6719 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6720 | /* Remove all existing local neigh and MACs for this VNI | |
6721 | * (including from BGP) | |
6722 | */ | |
6723 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6724 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6725 | } | |
d62a17ae | 6726 | |
b7cfce93 MK |
6727 | zvni->local_vtep_ip = vxl->vtep_ip; |
6728 | zvni->vxlan_if = ifp; | |
d62a17ae | 6729 | |
b7cfce93 MK |
6730 | /* Take further actions needed. |
6731 | * Note that if we are here, there is a change of interest. | |
6732 | */ | |
6733 | /* If down or not mapped to a bridge, we're done. */ | |
6734 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6735 | return 0; | |
d62a17ae | 6736 | |
b7cfce93 MK |
6737 | /* Inform BGP, if there is a change of interest. */ |
6738 | if (chgflags | |
6739 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6740 | zvni_send_add_to_client(zvni); | |
6741 | ||
6742 | /* If there is a valid new master or a VLAN mapping change, | |
6743 | * read and populate local MACs and neighbors. | |
6744 | * Also, reinstall any remote MACs and neighbors | |
6745 | * for this VNI (based on new VLAN). | |
6746 | */ | |
6747 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6748 | zvni_read_mac_neigh(zvni, ifp); | |
6749 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6750 | struct mac_walk_ctx m_wctx; | |
6751 | struct neigh_walk_ctx n_wctx; | |
6752 | ||
6753 | zvni_read_mac_neigh(zvni, ifp); | |
6754 | ||
6755 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6756 | m_wctx.zvni = zvni; | |
996c9314 | 6757 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6758 | &m_wctx); |
6759 | ||
6760 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6761 | n_wctx.zvni = zvni; | |
6762 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6763 | &n_wctx); | |
6764 | } | |
d62a17ae | 6765 | } |
6766 | ||
6767 | return 0; | |
13d60d35 | 6768 | } |
6769 | ||
6770 | /* | |
6771 | * Handle VxLAN interface add. | |
6772 | */ | |
d62a17ae | 6773 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6774 | { |
d62a17ae | 6775 | vni_t vni; |
b7cfce93 MK |
6776 | struct zebra_if *zif = NULL; |
6777 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6778 | zebra_vni_t *zvni = NULL; |
6779 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6780 | |
2853fed6 | 6781 | /* Check if EVPN is enabled. */ |
6782 | if (!is_evpn_enabled()) | |
d62a17ae | 6783 | return 0; |
13d60d35 | 6784 | |
d62a17ae | 6785 | zif = ifp->info; |
6786 | assert(zif); | |
6787 | vxl = &zif->l2info.vxl; | |
6788 | vni = vxl->vni; | |
13d60d35 | 6789 | |
643215ce | 6790 | zl3vni = zl3vni_lookup(vni); |
6791 | if (zl3vni) { | |
13d60d35 | 6792 | |
b7cfce93 | 6793 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6794 | if (IS_ZEBRA_DEBUG_VXLAN) |
6795 | zlog_debug( | |
6796 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6797 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6798 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6799 | zif->brslave_info.bridge_ifindex); |
6800 | ||
b7cfce93 | 6801 | /* associate with vxlan_if */ |
b67a60d2 | 6802 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6803 | zl3vni->vxlan_if = ifp; |
6804 | ||
6805 | /* Associate with SVI, if any. We can associate with svi-if only | |
6806 | * after association with vxlan_if is complete */ | |
6807 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6808 | ||
6809 | if (is_l3vni_oper_up(zl3vni)) | |
6810 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6811 | } else { | |
6812 | ||
6813 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6814 | struct interface *vlan_if = NULL; |
6815 | ||
6816 | /* Create or update VNI hash. */ | |
6817 | zvni = zvni_lookup(vni); | |
6818 | if (!zvni) { | |
6819 | zvni = zvni_add(vni); | |
6820 | if (!zvni) { | |
af4c2728 | 6821 | flog_err( |
e914ccbe | 6822 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
6823 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6824 | ifp->name, ifp->ifindex, vni); | |
6825 | return -1; | |
6826 | } | |
6827 | } | |
6828 | ||
6829 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6830 | zvni->vxlan_if = ifp; | |
6831 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6832 | zif->brslave_info.br_if); | |
6833 | if (vlan_if) { | |
6834 | zvni->vrf_id = vlan_if->vrf_id; | |
6835 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6836 | if (zl3vni) | |
6837 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6838 | } | |
6839 | ||
6840 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6841 | zlog_debug( | |
6842 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6843 | vni, | |
996c9314 LB |
6844 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6845 | : "Default", | |
6846 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6847 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6848 | zif->brslave_info.bridge_ifindex); |
6849 | ||
6850 | /* If down or not mapped to a bridge, we're done. */ | |
6851 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6852 | return 0; | |
6853 | ||
6854 | /* Inform BGP */ | |
6855 | zvni_send_add_to_client(zvni); | |
6856 | ||
6857 | /* Read and populate local MACs and neighbors */ | |
6858 | zvni_read_mac_neigh(zvni, ifp); | |
6859 | } | |
6860 | ||
6861 | return 0; | |
6862 | } | |
6863 | ||
996c9314 LB |
6864 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6865 | char *err, int err_str_sz, int filter, | |
6866 | int add) | |
b7cfce93 MK |
6867 | { |
6868 | zebra_l3vni_t *zl3vni = NULL; | |
6869 | struct zebra_vrf *zvrf_default = NULL; | |
6870 | ||
6871 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6872 | if (!zvrf_default) | |
6873 | return -1; | |
6874 | ||
6875 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6876 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6877 | add ? "ADD" : "DEL"); |
6878 | ||
6879 | if (add) { | |
6880 | ||
6881 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6882 | ||
6883 | /* check if the vni is already present under zvrf */ | |
6884 | if (zvrf->l3vni) { | |
3f02fbab | 6885 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6886 | "VNI is already configured under the vrf"); |
6887 | return -1; | |
6888 | } | |
6889 | ||
6890 | /* check if this VNI is already present in the system */ | |
6891 | zl3vni = zl3vni_lookup(vni); | |
6892 | if (zl3vni) { | |
3f02fbab | 6893 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6894 | "VNI is already configured as L3-VNI"); |
6895 | return -1; | |
6896 | } | |
6897 | ||
6898 | /* add the L3-VNI to the global table */ | |
6899 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6900 | if (!zl3vni) { | |
996c9314 | 6901 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6902 | return -1; |
6903 | } | |
6904 | ||
6905 | /* associate the vrf with vni */ | |
6906 | zvrf->l3vni = vni; | |
6907 | ||
c48d9f5f MK |
6908 | /* set the filter in l3vni to denote if we are using l3vni only |
6909 | * for prefix routes | |
6910 | */ | |
6911 | if (filter) | |
6912 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6913 | ||
b7cfce93 | 6914 | /* associate with vxlan-intf; |
523cafc4 | 6915 | * we need to associate with the vxlan-intf first |
6916 | */ | |
b7cfce93 MK |
6917 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6918 | ||
6919 | /* associate with corresponding SVI interface, we can associate | |
6920 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6921 | * complete |
6922 | */ | |
b7cfce93 MK |
6923 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6924 | ||
6925 | /* formulate l2vni list */ | |
996c9314 LB |
6926 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6927 | zl3vni); | |
b7cfce93 MK |
6928 | |
6929 | if (is_l3vni_oper_up(zl3vni)) | |
6930 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6931 | ||
6932 | } else { | |
6933 | zl3vni = zl3vni_lookup(vni); | |
6934 | if (!zl3vni) { | |
3f02fbab | 6935 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6936 | return -1; |
6937 | } | |
b7cfce93 | 6938 | |
cf299714 MK |
6939 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6940 | snprintf(err, ERR_STR_SZ, | |
6941 | "prefix-routes-only is not set for the vni"); | |
6942 | return -1; | |
6943 | } | |
6944 | ||
b7cfce93 MK |
6945 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6946 | ||
5e06422c | 6947 | /* delete and uninstall all rmacs */ |
996c9314 | 6948 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6949 | zl3vni); |
6950 | ||
6951 | /* delete and uninstall all next-hops */ | |
996c9314 | 6952 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6953 | zl3vni); |
6954 | ||
b7cfce93 MK |
6955 | zvrf->l3vni = 0; |
6956 | zl3vni_del(zl3vni); | |
6957 | ||
6958 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6959 | } |
b7cfce93 MK |
6960 | return 0; |
6961 | } | |
13d60d35 | 6962 | |
84915b0a | 6963 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6964 | { | |
6965 | zebra_l3vni_t *zl3vni = NULL; | |
6966 | ||
6967 | if (zvrf->l3vni) | |
6968 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6969 | if (!zl3vni) | |
6970 | return 0; | |
6971 | ||
6972 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6973 | if (is_l3vni_oper_up(zl3vni)) | |
6974 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6975 | return 0; | |
6976 | } | |
6977 | ||
6978 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6979 | { |
6980 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6981 | |
84915b0a | 6982 | if (zvrf->l3vni) |
6983 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6984 | if (!zl3vni) |
d62a17ae | 6985 | return 0; |
13d60d35 | 6986 | |
84915b0a | 6987 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6988 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6989 | return 0; |
6990 | } | |
6991 | ||
6992 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6993 | { | |
6994 | zebra_l3vni_t *zl3vni = NULL; | |
6995 | vni_t vni; | |
6996 | ||
6997 | if (zvrf->l3vni) | |
6998 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6999 | if (!zl3vni) | |
7000 | return 0; | |
7001 | ||
7002 | vni = zl3vni->vni; | |
b7cfce93 | 7003 | zl3vni_del(zl3vni); |
84915b0a | 7004 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 7005 | |
d62a17ae | 7006 | return 0; |
13d60d35 | 7007 | } |
7008 | ||
fbac9605 DS |
7009 | /* |
7010 | * Handle message from client to specify the flooding mechanism for | |
7011 | * BUM packets. The default is to do head-end (ingress) replication | |
7012 | * and the other supported option is to disable it. This applies to | |
7013 | * all BUM traffic and disabling it applies to both the transmit and | |
7014 | * receive direction. | |
7015 | */ | |
7016 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
7017 | { | |
7018 | struct stream *s; | |
7019 | enum vxlan_flood_control flood_ctrl; | |
7020 | ||
7021 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
7022 | zlog_err("EVPN flood control for non-default VRF %u", | |
7023 | zvrf_id(zvrf)); | |
7024 | return; | |
7025 | } | |
7026 | ||
7027 | s = msg; | |
7028 | STREAM_GETC(s, flood_ctrl); | |
7029 | ||
7030 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7031 | zlog_debug("EVPN flood control %u, currently %u", | |
7032 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
7033 | ||
7034 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
7035 | return; | |
7036 | ||
7037 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
7038 | ||
7039 | /* Install or uninstall flood entries corresponding to | |
7040 | * remote VTEPs. | |
7041 | */ | |
7042 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
7043 | zvrf); | |
7044 | ||
7045 | stream_failure: | |
7046 | return; | |
7047 | } | |
7048 | ||
31310b25 MK |
7049 | /* |
7050 | * Handle message from client to enable/disable advertisement of g/w macip | |
7051 | * routes | |
7052 | */ | |
89f4e507 | 7053 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
7054 | { |
7055 | struct stream *s; | |
7056 | int advertise; | |
7057 | vni_t vni = 0; | |
7058 | zebra_vni_t *zvni = NULL; | |
7059 | struct interface *ifp = NULL; | |
7060 | struct zebra_if *zif = NULL; | |
7061 | struct zebra_l2info_vxlan zl2_info; | |
7062 | struct interface *vlan_if = NULL; | |
7063 | ||
7064 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
7065 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
7066 | zvrf_id(zvrf)); | |
8068a649 | 7067 | return; |
31310b25 MK |
7068 | } |
7069 | ||
1002497a | 7070 | s = msg; |
2017b3ea | 7071 | STREAM_GETC(s, advertise); |
31310b25 MK |
7072 | vni = stream_get3(s); |
7073 | ||
7074 | zvni = zvni_lookup(vni); | |
7075 | if (!zvni) | |
8068a649 | 7076 | return; |
31310b25 MK |
7077 | |
7078 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 7079 | return; |
31310b25 MK |
7080 | |
7081 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
7082 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
7083 | advertise ? "enabled" : "disabled", vni, | |
7084 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
7085 | |
7086 | ||
7087 | zvni->advertise_subnet = advertise; | |
7088 | ||
7089 | ifp = zvni->vxlan_if; | |
7090 | if (!ifp) | |
8068a649 | 7091 | return; |
31310b25 MK |
7092 | |
7093 | zif = ifp->info; | |
7094 | ||
7095 | /* If down or not mapped to a bridge, we're done. */ | |
7096 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 7097 | return; |
31310b25 MK |
7098 | |
7099 | zl2_info = zif->l2info.vxl; | |
7100 | ||
996c9314 LB |
7101 | vlan_if = |
7102 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 7103 | if (!vlan_if) |
8068a649 | 7104 | return; |
31310b25 MK |
7105 | |
7106 | if (zvni->advertise_subnet) | |
7107 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
7108 | else | |
7109 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
7110 | |
7111 | stream_failure: | |
7112 | return; | |
31310b25 MK |
7113 | } |
7114 | ||
1a98c087 MK |
7115 | /* |
7116 | * Handle message from client to enable/disable advertisement of g/w macip | |
7117 | * routes | |
7118 | */ | |
89f4e507 | 7119 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
7120 | { |
7121 | struct stream *s; | |
7122 | int advertise; | |
7123 | vni_t vni = 0; | |
7124 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 7125 | struct interface *ifp = NULL; |
1a98c087 | 7126 | |
2853fed6 | 7127 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7128 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
7129 | zvrf_id(zvrf)); | |
8068a649 | 7130 | return; |
2853fed6 | 7131 | } |
7132 | ||
1002497a | 7133 | s = msg; |
ec93aa12 | 7134 | STREAM_GETC(s, advertise); |
cc6d5476 | 7135 | STREAM_GETL(s, vni); |
1a98c087 MK |
7136 | |
7137 | if (!vni) { | |
7138 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 7139 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 7140 | advertise ? "enabled" : "disabled", |
2853fed6 | 7141 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
7142 | ? "enabled" |
7143 | : "disabled"); | |
7144 | ||
7145 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 7146 | return; |
1a98c087 MK |
7147 | |
7148 | zvrf->advertise_gw_macip = advertise; | |
7149 | ||
2853fed6 | 7150 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 7151 | hash_iterate(zvrf->vni_table, |
2853fed6 | 7152 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
7153 | else |
7154 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 7155 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
7156 | |
7157 | } else { | |
7158 | struct zebra_if *zif = NULL; | |
7159 | struct zebra_l2info_vxlan zl2_info; | |
7160 | struct interface *vlan_if = NULL; | |
7161 | struct interface *vrr_if = NULL; | |
7162 | ||
01a6143b MK |
7163 | zvni = zvni_lookup(vni); |
7164 | if (!zvni) | |
124ead27 | 7165 | return; |
01a6143b | 7166 | |
1a98c087 MK |
7167 | if (IS_ZEBRA_DEBUG_VXLAN) |
7168 | zlog_debug( | |
2853fed6 | 7169 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 7170 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
7171 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7172 | : "disabled"); | |
1a98c087 | 7173 | |
1a98c087 | 7174 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7175 | return; |
1a98c087 MK |
7176 | |
7177 | zvni->advertise_gw_macip = advertise; | |
7178 | ||
b5ebdc9b | 7179 | ifp = zvni->vxlan_if; |
7180 | if (!ifp) | |
8068a649 | 7181 | return; |
b5ebdc9b | 7182 | |
7183 | zif = ifp->info; | |
7184 | ||
7185 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7186 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7187 | return; |
b5ebdc9b | 7188 | |
1a98c087 MK |
7189 | zl2_info = zif->l2info.vxl; |
7190 | ||
2853fed6 | 7191 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7192 | zif->brslave_info.br_if); |
7193 | if (!vlan_if) | |
8068a649 | 7194 | return; |
1a98c087 | 7195 | |
2853fed6 | 7196 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7197 | /* Add primary SVI MAC-IP */ |
7198 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7199 | ||
7200 | /* Add VRR MAC-IP - if any*/ | |
7201 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7202 | if (vrr_if) | |
7203 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7204 | } else { | |
7205 | /* Del primary MAC-IP */ | |
7206 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7207 | ||
7208 | /* Del VRR MAC-IP - if any*/ | |
7209 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7210 | if (vrr_if) | |
7211 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7212 | } | |
7213 | } | |
7214 | ||
ec93aa12 | 7215 | stream_failure: |
8068a649 | 7216 | return; |
1a98c087 MK |
7217 | } |
7218 | ||
7219 | ||
13d60d35 | 7220 | /* |
7221 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7222 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7223 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7224 | * uninstalled from the kernel. | |
fbac9605 DS |
7225 | * This also informs the setting for BUM handling at the time this change |
7226 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 7227 | */ |
89f4e507 | 7228 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7229 | { |
655b04d1 MK |
7230 | struct stream *s = NULL; |
7231 | int advertise = 0; | |
fbac9605 | 7232 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 7233 | |
2853fed6 | 7234 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7235 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7236 | zvrf_id(zvrf)); | |
8068a649 | 7237 | return; |
2853fed6 | 7238 | } |
7239 | ||
1002497a | 7240 | s = msg; |
ec93aa12 | 7241 | STREAM_GETC(s, advertise); |
fbac9605 | 7242 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 7243 | |
d62a17ae | 7244 | if (IS_ZEBRA_DEBUG_VXLAN) |
fbac9605 | 7245 | zlog_debug("EVPN VNI Adv %s, currently %s, flood control %u", |
d62a17ae | 7246 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
7247 | is_evpn_enabled() ? "enabled" : "disabled", |
7248 | flood_ctrl); | |
13d60d35 | 7249 | |
d62a17ae | 7250 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7251 | return; |
13d60d35 | 7252 | |
d62a17ae | 7253 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7254 | if (is_evpn_enabled()) { |
fbac9605 DS |
7255 | /* Note BUM handling */ |
7256 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
7257 | ||
d62a17ae | 7258 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7259 | zvni_build_hash_table(); |
2232a77c | 7260 | |
1a98c087 MK |
7261 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7262 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7263 | NULL); |
1a98c087 | 7264 | |
d62a17ae | 7265 | /* Read the MAC FDB */ |
7266 | macfdb_read(zvrf->zns); | |
2232a77c | 7267 | |
d62a17ae | 7268 | /* Read neighbors */ |
7269 | neigh_read(zvrf->zns); | |
7270 | } else { | |
7271 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7272 | * kernel and free entries. | |
7273 | */ | |
7274 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7275 | |
7276 | /* cleanup all l3vnis */ | |
89272910 | 7277 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
d62a17ae | 7278 | } |
13d60d35 | 7279 | |
ec93aa12 | 7280 | stream_failure: |
8068a649 | 7281 | return; |
13d60d35 | 7282 | } |
7283 | ||
7284 | /* | |
7285 | * Allocate VNI hash table for this VRF and do other initialization. | |
7286 | * NOTE: Currently supported only for default VRF. | |
7287 | */ | |
d62a17ae | 7288 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7289 | { |
d62a17ae | 7290 | if (!zvrf) |
7291 | return; | |
7292 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7293 | "Zebra VRF VNI Table"); | |
13d60d35 | 7294 | } |
7295 | ||
84915b0a | 7296 | /* Cleanup VNI info, but don't free the table. */ |
7297 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7298 | { | |
7299 | if (!zvrf) | |
7300 | return; | |
7301 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7302 | } | |
7303 | ||
13d60d35 | 7304 | /* Close all VNI handling */ |
d62a17ae | 7305 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7306 | { |
2853fed6 | 7307 | if (!zvrf) |
7308 | return; | |
d62a17ae | 7309 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7310 | hash_free(zvrf->vni_table); |
13d60d35 | 7311 | } |
b7cfce93 MK |
7312 | |
7313 | /* init the l3vni table */ | |
7314 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7315 | { | |
89272910 DS |
7316 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
7317 | "Zebra VRF L3 VNI table"); | |
b7cfce93 MK |
7318 | } |
7319 | ||
7320 | /* free l3vni table */ | |
7321 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7322 | { | |
89272910 | 7323 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 7324 | } |
d3135ba3 | 7325 | |
7326 | /* get the l3vni svi ifindex */ | |
7327 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7328 | { | |
7329 | zebra_l3vni_t *zl3vni = NULL; | |
7330 | ||
7331 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7332 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7333 | return 0; | |
7334 | ||
7335 | return zl3vni->svi_if->ifindex; | |
7336 | } |