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13d60d35 | 1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
43e52561 | 25 | #include "hash.h" |
13d60d35 | 26 | #include "if.h" |
43e52561 | 27 | #include "jhash.h" |
13d60d35 | 28 | #include "linklist.h" |
43e52561 QY |
29 | #include "log.h" |
30 | #include "memory.h" | |
31 | #include "prefix.h" | |
13d60d35 | 32 | #include "stream.h" |
43e52561 | 33 | #include "table.h" |
13d60d35 | 34 | #include "vlan.h" |
35 | #include "vxlan.h" | |
68e33151 CS |
36 | #ifdef GNU_LINUX |
37 | #include <linux/neighbour.h> | |
38 | #endif | |
13d60d35 | 39 | |
43e52561 QY |
40 | #include "zebra/debug.h" |
41 | #include "zebra/interface.h" | |
13d60d35 | 42 | #include "zebra/rib.h" |
43 | #include "zebra/rt.h" | |
43e52561 QY |
44 | #include "zebra/rt_netlink.h" |
45 | #include "zebra/zebra_errors.h" | |
46 | #include "zebra/zebra_l2.h" | |
47 | #include "zebra/zebra_memory.h" | |
13d60d35 | 48 | #include "zebra/zebra_ns.h" |
13d60d35 | 49 | #include "zebra/zebra_vrf.h" |
13d60d35 | 50 | #include "zebra/zebra_vxlan.h" |
43e52561 QY |
51 | #include "zebra/zebra_vxlan_private.h" |
52 | #include "zebra/zserv.h" | |
13d60d35 | 53 | |
6134fd82 | 54 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 55 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 58 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
59 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 60 | |
61 | /* definitions */ | |
62 | ||
13d60d35 | 63 | /* static function declarations */ |
996c9314 LB |
64 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
65 | uint16_t cmd); | |
cd233079 | 66 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 67 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
68 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 69 | void **args); |
c0e519d3 MK |
70 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
71 | json_object *json); | |
316f4ca4 MK |
72 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
73 | json_object *json); | |
d62a17ae | 74 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
75 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
76 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
77 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
78 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 79 | |
996c9314 | 80 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 81 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 82 | uint32_t seq, uint16_t cmd); |
d62a17ae | 83 | static unsigned int neigh_hash_keymake(void *p); |
84 | static int neigh_cmp(const void *p1, const void *p2); | |
85 | static void *zvni_neigh_alloc(void *p); | |
b6938a74 MK |
86 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
87 | struct ethaddr *mac); | |
d62a17ae | 88 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 89 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
90 | struct in_addr *r_vtep_ip); | |
996c9314 | 91 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 92 | uint32_t flags); |
d62a17ae | 93 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 94 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 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); |
140 | static int mac_cmp(const void *p1, const void *p2); | |
141 | static void *zvni_mac_alloc(void *p); | |
142 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
143 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 144 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
145 | struct in_addr *r_vtep_ip); | |
996c9314 | 146 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 147 | uint32_t flags); |
d62a17ae | 148 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 149 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 150 | uint8_t flags, uint32_t seq); |
996c9314 | 151 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 152 | uint8_t flags); |
d62a17ae | 153 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
154 | struct interface *br_if, vlanid_t vid); | |
155 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
156 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local); | |
157 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); | |
158 | ||
159 | static unsigned int vni_hash_keymake(void *p); | |
160 | static int vni_hash_cmp(const void *p1, const void *p2); | |
161 | static void *zvni_alloc(void *p); | |
2853fed6 | 162 | static zebra_vni_t *zvni_lookup(vni_t vni); |
163 | static zebra_vni_t *zvni_add(vni_t vni); | |
164 | static int zvni_del(zebra_vni_t *zvni); | |
165 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
166 | static int zvni_send_del_to_client(vni_t vni); | |
167 | static void zvni_build_hash_table(); | |
d62a17ae | 168 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
169 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
170 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
171 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
172 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
173 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
174 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
175 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
176 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
177 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
178 | struct ethaddr *macaddr, struct ipaddr *ip); | |
179 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
180 | struct ipaddr *ip); | |
181 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 182 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
1a98c087 MK |
183 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
184 | int uninstall); | |
13d60d35 | 185 | |
186 | /* Private functions */ | |
5e1b0650 | 187 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 188 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
189 | { |
190 | if (hle1->p.family < hle2->p.family) | |
191 | return -1; | |
192 | ||
193 | if (hle1->p.family > hle2->p.family) | |
194 | return 1; | |
195 | ||
196 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
197 | return -1; | |
198 | ||
199 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
200 | return 1; | |
201 | ||
202 | if (hle1->p.family == AF_INET) { | |
203 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
204 | return -1; | |
205 | ||
206 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
207 | return 1; | |
208 | ||
209 | return 0; | |
210 | } else { | |
211 | zlog_warn("%s: Unexpected family type: %d", __PRETTY_FUNCTION__, | |
212 | hle1->p.family); | |
213 | return 0; | |
214 | } | |
215 | } | |
85442b09 | 216 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 217 | |
85442b09 | 218 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
219 | { |
220 | struct host_rb_entry *hle; | |
221 | uint32_t count = 0; | |
222 | ||
85442b09 | 223 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
224 | count++; |
225 | ||
226 | return count; | |
227 | } | |
13d60d35 | 228 | |
790f8dc5 | 229 | /* |
230 | * Return number of valid MACs in a VNI's MAC hash table - all | |
231 | * remote MACs and non-internal (auto) local MACs count. | |
232 | */ | |
d7c0a89a | 233 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 234 | { |
235 | unsigned int i; | |
d7c0a89a | 236 | uint32_t num_macs = 0; |
790f8dc5 | 237 | struct hash *hash; |
238 | struct hash_backet *hb; | |
239 | zebra_mac_t *mac; | |
240 | ||
241 | hash = zvni->mac_table; | |
242 | if (!hash) | |
243 | return num_macs; | |
244 | for (i = 0; i < hash->size; i++) { | |
245 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
246 | mac = (zebra_mac_t *)hb->data; | |
247 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 248 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 249 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
250 | num_macs++; | |
251 | } | |
252 | } | |
253 | ||
254 | return num_macs; | |
255 | } | |
256 | ||
2853fed6 | 257 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 258 | { |
2853fed6 | 259 | struct zebra_vrf *zvrf; |
260 | ||
261 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
262 | if (zvrf && zvrf->advertise_gw_macip) |
263 | return 1; | |
264 | ||
265 | if (zvni && zvni->advertise_gw_macip) | |
266 | return 1; | |
267 | ||
268 | return 0; | |
269 | } | |
270 | ||
cec2e17d | 271 | /* |
272 | * Helper function to determine maximum width of neighbor IP address for | |
273 | * display - just because we're dealing with IPv6 addresses that can | |
274 | * widely vary. | |
275 | */ | |
d62a17ae | 276 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 277 | { |
d62a17ae | 278 | zebra_neigh_t *n; |
279 | char buf[INET6_ADDRSTRLEN]; | |
280 | struct neigh_walk_ctx *wctx = ctxt; | |
281 | int width; | |
cec2e17d | 282 | |
d62a17ae | 283 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 284 | |
d62a17ae | 285 | ipaddr2str(&n->ip, buf, sizeof(buf)), width = strlen(buf); |
286 | if (width > wctx->addr_width) | |
287 | wctx->addr_width = width; | |
68e33151 | 288 | |
cec2e17d | 289 | } |
290 | ||
291 | /* | |
292 | * Print a specific neighbor entry. | |
293 | */ | |
cd233079 | 294 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 295 | { |
d62a17ae | 296 | struct vty *vty; |
297 | char buf1[ETHER_ADDR_STRLEN]; | |
298 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 299 | const char *type_str; |
300 | const char *state_str; | |
301 | bool flags_present = false; | |
cec2e17d | 302 | |
cd233079 CS |
303 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
304 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 305 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
306 | "local" : "remote"; | |
307 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
308 | vty = (struct vty *)ctxt; |
309 | if (json == NULL) { | |
310 | vty_out(vty, "IP: %s\n", | |
311 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 312 | vty_out(vty, " Type: %s\n", type_str); |
313 | vty_out(vty, " State: %s\n", state_str); | |
314 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
315 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
316 | } else { | |
317 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 318 | json_object_string_add(json, "type", type_str); |
319 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
320 | json_object_string_add(json, "mac", buf1); |
321 | } | |
322 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 323 | if (json == NULL) { |
1a8c5c38 | 324 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 325 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 326 | } else |
cd233079 CS |
327 | json_object_string_add(json, "remoteVtep", |
328 | inet_ntoa(n->r_vtep_ip)); | |
329 | } | |
ead40654 | 330 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 331 | if (!json) { |
332 | vty_out(vty, " Flags: Default-gateway"); | |
333 | flags_present = true; | |
334 | } else | |
ead40654 MK |
335 | json_object_boolean_true_add(json, "defaultGateway"); |
336 | } | |
68e33151 | 337 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 338 | if (!json) { |
339 | vty_out(vty, | |
340 | flags_present ? " ,Router" : " Flags: Router"); | |
341 | flags_present = true; | |
342 | } | |
68e33151 | 343 | } |
f07e1c99 | 344 | if (json == NULL) { |
1a8c5c38 | 345 | if (flags_present) |
346 | vty_out(vty, "\n"); | |
347 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 348 | n->loc_seq, n->rem_seq); |
1a8c5c38 | 349 | } else { |
350 | json_object_int_add(json, "localSequence", n->loc_seq); | |
351 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
68e33151 | 352 | } |
cec2e17d | 353 | } |
354 | ||
355 | /* | |
356 | * Print neighbor hash entry - called for display of all neighbors. | |
357 | */ | |
d62a17ae | 358 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
359 | { | |
360 | struct vty *vty; | |
cd233079 | 361 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 362 | zebra_neigh_t *n; |
363 | char buf1[ETHER_ADDR_STRLEN]; | |
364 | char buf2[INET6_ADDRSTRLEN]; | |
365 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 366 | const char *state_str; |
d62a17ae | 367 | |
368 | vty = wctx->vty; | |
cd233079 | 369 | json_vni = wctx->json; |
d62a17ae | 370 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 371 | |
cd233079 CS |
372 | if (json_vni) |
373 | json_row = json_object_new_object(); | |
374 | ||
d62a17ae | 375 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
376 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 377 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
378 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
379 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
380 | return; | |
381 | ||
cd233079 | 382 | if (json_vni == NULL) { |
1a8c5c38 | 383 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
384 | -wctx->addr_width, buf2, "local", | |
385 | state_str, buf1); | |
cd233079 CS |
386 | } else { |
387 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 388 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 389 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 390 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
391 | json_object_boolean_true_add( | |
392 | json_row, "defaultGateway"); | |
393 | json_object_int_add(json_row, "localSequence", | |
394 | n->loc_seq); | |
395 | json_object_int_add(json_row, "remoteSequence", | |
396 | n->rem_seq); | |
cd233079 | 397 | } |
d62a17ae | 398 | wctx->count++; |
1a8c5c38 | 399 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
400 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
401 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
402 | return; | |
403 | ||
404 | if (json_vni == NULL) { | |
405 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
406 | (wctx->count == 0)) | |
407 | vty_out(vty, | |
408 | "%*s %-6s %-8s %-17s %-21s\n", | |
409 | -wctx->addr_width, "Neighbor", "Type", | |
410 | "State", "MAC", "Remote VTEP"); | |
411 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
412 | -wctx->addr_width, buf2, "remote", state_str, | |
413 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 414 | } else { |
1a8c5c38 | 415 | json_object_string_add(json_row, "type", "remote"); |
416 | json_object_string_add(json_row, "state", state_str); | |
417 | json_object_string_add(json_row, "mac", buf1); | |
418 | json_object_string_add(json_row, "remoteVtep", | |
419 | inet_ntoa(n->r_vtep_ip)); | |
420 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
421 | json_object_boolean_true_add(json_row, | |
422 | "defaultGateway"); | |
423 | json_object_int_add(json_row, "localSequence", | |
424 | n->loc_seq); | |
425 | json_object_int_add(json_row, "remoteSequence", | |
426 | n->rem_seq); | |
d62a17ae | 427 | } |
1a8c5c38 | 428 | wctx->count++; |
d62a17ae | 429 | } |
cd233079 CS |
430 | |
431 | if (json_vni) | |
432 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 433 | } |
434 | ||
435 | /* | |
436 | * Print neighbors for all VNI. | |
437 | */ | |
d62a17ae | 438 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 439 | void **args) |
cec2e17d | 440 | { |
d62a17ae | 441 | struct vty *vty; |
cd233079 | 442 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 443 | zebra_vni_t *zvni; |
d7c0a89a | 444 | uint32_t num_neigh; |
d62a17ae | 445 | struct neigh_walk_ctx wctx; |
cd233079 CS |
446 | char vni_str[VNI_STR_LEN]; |
447 | ||
448 | vty = (struct vty *)args[0]; | |
449 | json = (json_object *)args[1]; | |
cec2e17d | 450 | |
d62a17ae | 451 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 452 | |
d62a17ae | 453 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 454 | if (json == NULL) { |
cd233079 CS |
455 | vty_out(vty, |
456 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
457 | zvni->vni, num_neigh); | |
68e33151 | 458 | } else { |
cd233079 CS |
459 | json_vni = json_object_new_object(); |
460 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
461 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
462 | } | |
463 | if (!num_neigh) { | |
464 | if (json) | |
465 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 466 | return; |
cd233079 | 467 | } |
cec2e17d | 468 | |
d62a17ae | 469 | /* Since we have IPv6 addresses to deal with which can vary widely in |
470 | * size, we try to be a bit more elegant in display by first computing | |
471 | * the maximum width. | |
472 | */ | |
473 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
474 | wctx.zvni = zvni; | |
475 | wctx.vty = vty; | |
476 | wctx.addr_width = 15; | |
cd233079 | 477 | wctx.json = json_vni; |
d62a17ae | 478 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 479 | |
68e33151 | 480 | if (json == NULL) { |
1a8c5c38 | 481 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
482 | -wctx.addr_width, "IP", "Type", | |
483 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 484 | } |
d62a17ae | 485 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
486 | |
487 | if (json) | |
488 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 489 | } |
490 | ||
9aa741ea | 491 | /* print a specific next hop for an l3vni */ |
996c9314 | 492 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 493 | json_object *json) |
9aa741ea MK |
494 | { |
495 | char buf1[ETHER_ADDR_STRLEN]; | |
496 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 497 | json_object *json_hosts = NULL; |
f2a503f0 | 498 | struct host_rb_entry *hle; |
9aa741ea | 499 | |
c0e519d3 MK |
500 | if (!json) { |
501 | vty_out(vty, "Ip: %s\n", | |
502 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
503 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 504 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
505 | vty_out(vty, " Refcount: %d\n", |
506 | rb_host_count(&n->host_rb)); | |
4cce389e | 507 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 508 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 509 | vty_out(vty, " %s\n", |
f2a503f0 | 510 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
511 | } else { |
512 | json_hosts = json_object_new_array(); | |
996c9314 LB |
513 | json_object_string_add( |
514 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
515 | json_object_string_add( | |
516 | json, "routerMac", | |
517 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
518 | json_object_int_add(json, "refCount", |
519 | rb_host_count(&n->host_rb)); | |
85442b09 | 520 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 521 | json_object_array_add(json_hosts, |
996c9314 | 522 | json_object_new_string(prefix2str( |
f2a503f0 | 523 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 524 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 525 | } |
9aa741ea MK |
526 | } |
527 | ||
528 | /* Print a specific RMAC entry */ | |
996c9314 | 529 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 530 | json_object *json) |
9aa741ea MK |
531 | { |
532 | char buf1[ETHER_ADDR_STRLEN]; | |
533 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 534 | json_object *json_hosts = NULL; |
5e1b0650 | 535 | struct host_rb_entry *hle; |
9aa741ea | 536 | |
316f4ca4 MK |
537 | if (!json) { |
538 | vty_out(vty, "MAC: %s\n", | |
539 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
540 | vty_out(vty, " Remote VTEP: %s\n", | |
541 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 542 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 543 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 544 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 545 | vty_out(vty, " %s\n", |
5e1b0650 | 546 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
547 | } else { |
548 | json_hosts = json_object_new_array(); | |
996c9314 LB |
549 | json_object_string_add( |
550 | json, "routerMac", | |
551 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 552 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 553 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
554 | json_object_int_add(json, "refCount", |
555 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 556 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
557 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 558 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
559 | json_object_array_add( |
560 | json_hosts, | |
561 | json_object_new_string(prefix2str( | |
562 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 563 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 564 | } |
9aa741ea MK |
565 | } |
566 | ||
cec2e17d | 567 | /* |
568 | * Print a specific MAC entry. | |
569 | */ | |
d62a17ae | 570 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
571 | { | |
572 | struct vty *vty; | |
b6938a74 MK |
573 | zebra_neigh_t *n = NULL; |
574 | struct listnode *node = NULL; | |
d62a17ae | 575 | char buf1[20]; |
b6938a74 | 576 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 577 | |
578 | vty = (struct vty *)ctxt; | |
579 | vty_out(vty, "MAC: %s", | |
580 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
581 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
582 | struct zebra_ns *zns; | |
583 | struct interface *ifp; | |
584 | ifindex_t ifindex; | |
585 | ||
586 | ifindex = mac->fwd_info.local.ifindex; | |
587 | zns = zebra_ns_lookup(NS_DEFAULT); | |
588 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
589 | if (!ifp) // unexpected | |
590 | return; | |
591 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
592 | if (mac->fwd_info.local.vid) | |
593 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 594 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 595 | vty_out(vty, " Remote VTEP: %s", |
596 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
597 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
598 | vty_out(vty, " Auto Mac "); | |
599 | } | |
b6938a74 | 600 | |
ead40654 MK |
601 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
602 | vty_out(vty, " Sticky Mac "); | |
603 | ||
604 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
605 | vty_out(vty, " Default-gateway Mac "); | |
606 | ||
51f4dab4 AK |
607 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
608 | vty_out(vty, " Remote-gateway Mac "); | |
609 | ||
0a97666d | 610 | vty_out(vty, "\n"); |
f07e1c99 | 611 | vty_out(vty, " Local Seq: %u Remote Seq: %u", |
612 | mac->loc_seq, mac->rem_seq); | |
613 | vty_out(vty, "\n"); | |
614 | ||
b6938a74 MK |
615 | /* print all the associated neigh */ |
616 | vty_out(vty, " Neighbors:\n"); | |
617 | if (!listcount(mac->neigh_list)) | |
618 | vty_out(vty, " No Neighbors\n"); | |
619 | else { | |
620 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
621 | vty_out(vty, " %s %s\n", | |
622 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
f07e1c99 | 623 | (IS_ZEBRA_NEIGH_ACTIVE(n) |
624 | ? "Active" : "Inactive")); | |
b6938a74 | 625 | } |
d62a17ae | 626 | } |
b6938a74 | 627 | |
d62a17ae | 628 | vty_out(vty, "\n"); |
cec2e17d | 629 | } |
630 | ||
631 | /* | |
632 | * Print MAC hash entry - called for display of all MACs. | |
633 | */ | |
d62a17ae | 634 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
635 | { | |
636 | struct vty *vty; | |
cd233079 | 637 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 638 | zebra_mac_t *mac; |
639 | char buf1[20]; | |
640 | struct mac_walk_ctx *wctx = ctxt; | |
641 | ||
642 | vty = wctx->vty; | |
cd233079 | 643 | json_mac_hdr = wctx->json; |
d62a17ae | 644 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 645 | |
646 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
647 | |
648 | if (json_mac_hdr) | |
649 | json_mac = json_object_new_object(); | |
650 | ||
1a8c5c38 | 651 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 652 | struct zebra_ns *zns; |
653 | ifindex_t ifindex; | |
654 | struct interface *ifp; | |
655 | vlanid_t vid; | |
656 | ||
1a8c5c38 | 657 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
658 | return; | |
659 | ||
d62a17ae | 660 | zns = zebra_ns_lookup(NS_DEFAULT); |
661 | ifindex = mac->fwd_info.local.ifindex; | |
662 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
663 | if (!ifp) // unexpected | |
664 | return; | |
665 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
666 | if (json_mac_hdr == NULL) |
667 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
668 | ifp->name); | |
669 | else { | |
670 | json_object_string_add(json_mac, "type", "local"); | |
671 | json_object_string_add(json_mac, "intf", ifp->name); | |
672 | } | |
673 | if (vid) { | |
674 | if (json_mac_hdr == NULL) | |
675 | vty_out(vty, " %-5u", vid); | |
676 | else | |
677 | json_object_int_add(json_mac, "vlan", vid); | |
678 | } | |
1a8c5c38 | 679 | if (json_mac_hdr == NULL) { |
cd233079 | 680 | vty_out(vty, "\n"); |
1a8c5c38 | 681 | } else { |
682 | json_object_int_add(json_mac, "localSequence", | |
683 | mac->loc_seq); | |
684 | json_object_int_add(json_mac, "remoteSequence", | |
685 | mac->rem_seq); | |
cd233079 | 686 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 687 | } |
688 | ||
d62a17ae | 689 | wctx->count++; |
1a8c5c38 | 690 | |
b6938a74 | 691 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 692 | |
693 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
694 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
695 | &wctx->r_vtep_ip)) | |
696 | return; | |
697 | ||
698 | if (json_mac_hdr == NULL) { | |
699 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
700 | (wctx->count == 0)) { | |
701 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
702 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
703 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 704 | } |
1a8c5c38 | 705 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
706 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 707 | } else { |
1a8c5c38 | 708 | json_object_string_add(json_mac, "type", "remote"); |
709 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 710 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 711 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
712 | json_object_int_add(json_mac, "localSequence", | |
713 | mac->loc_seq); | |
714 | json_object_int_add(json_mac, "remoteSequence", | |
715 | mac->rem_seq); | |
d62a17ae | 716 | } |
1a8c5c38 | 717 | |
718 | wctx->count++; | |
d62a17ae | 719 | } |
cec2e17d | 720 | } |
721 | ||
722 | /* | |
723 | * Print MACs for all VNI. | |
724 | */ | |
d62a17ae | 725 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 726 | { |
d62a17ae | 727 | struct vty *vty; |
cd233079 CS |
728 | json_object *json = NULL, *json_vni = NULL; |
729 | json_object *json_mac = NULL; | |
d62a17ae | 730 | zebra_vni_t *zvni; |
d7c0a89a | 731 | uint32_t num_macs; |
d62a17ae | 732 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 733 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 734 | |
d62a17ae | 735 | vty = (struct vty *)wctx->vty; |
cd233079 | 736 | json = (struct json_object *)wctx->json; |
cec2e17d | 737 | |
d62a17ae | 738 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 739 | wctx->zvni = zvni; |
cec2e17d | 740 | |
d62a17ae | 741 | /*We are iterating over a new VNI, set the count to 0*/ |
742 | wctx->count = 0; | |
cec2e17d | 743 | |
790f8dc5 | 744 | num_macs = num_valid_macs(zvni); |
d62a17ae | 745 | if (!num_macs) |
746 | return; | |
cd233079 CS |
747 | |
748 | if (json) { | |
749 | json_vni = json_object_new_object(); | |
750 | json_mac = json_object_new_object(); | |
751 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 752 | } |
cec2e17d | 753 | |
cd233079 CS |
754 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
755 | if (json == NULL) { | |
756 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
757 | zvni->vni, num_macs); | |
758 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
759 | "Intf/Remote VTEP", "VLAN"); | |
760 | } else | |
761 | json_object_int_add(json_vni, "numMacs", num_macs); | |
762 | } | |
763 | /* assign per-vni to wctx->json object to fill macs | |
764 | * under the vni. Re-assign primary json object to fill | |
765 | * next vni information. | |
766 | */ | |
767 | wctx->json = json_mac; | |
d62a17ae | 768 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
769 | wctx->json = json; |
770 | if (json) { | |
771 | if (wctx->count) | |
772 | json_object_object_add(json_vni, "macs", json_mac); | |
773 | json_object_object_add(json, vni_str, json_vni); | |
774 | } | |
cec2e17d | 775 | } |
776 | ||
996c9314 | 777 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
778 | { |
779 | struct nh_walk_ctx *wctx = NULL; | |
780 | struct vty *vty = NULL; | |
32798965 | 781 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
782 | struct json_object *json_nh = NULL; |
783 | zebra_neigh_t *n = NULL; | |
784 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 785 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
786 | |
787 | wctx = (struct nh_walk_ctx *)ctx; | |
788 | vty = wctx->vty; | |
32798965 MK |
789 | json_vni = wctx->json; |
790 | if (json_vni) | |
b7cfce93 MK |
791 | json_nh = json_object_new_object(); |
792 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 793 | |
32798965 | 794 | if (!json_vni) { |
4cce389e | 795 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 796 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 797 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 798 | } else { |
4cce389e | 799 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 800 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
801 | json_object_string_add( |
802 | json_nh, "routerMac", | |
803 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
804 | json_object_object_add(json_vni, |
805 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
806 | json_nh); | |
b7cfce93 MK |
807 | } |
808 | } | |
809 | ||
2dbad57f | 810 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 811 | void **args) |
2dbad57f | 812 | { |
813 | struct vty *vty = NULL; | |
814 | json_object *json = NULL; | |
815 | json_object *json_vni = NULL; | |
2dbad57f | 816 | zebra_l3vni_t *zl3vni = NULL; |
817 | uint32_t num_nh = 0; | |
32798965 | 818 | struct nh_walk_ctx wctx; |
2dbad57f | 819 | char vni_str[VNI_STR_LEN]; |
820 | ||
32798965 MK |
821 | vty = (struct vty *)args[0]; |
822 | json = (struct json_object *)args[1]; | |
2dbad57f | 823 | |
824 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 825 | |
826 | num_nh = hashcount(zl3vni->nh_table); | |
827 | if (!num_nh) | |
828 | return; | |
829 | ||
830 | if (json) { | |
831 | json_vni = json_object_new_object(); | |
2dbad57f | 832 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
833 | } | |
834 | ||
835 | if (json == NULL) { | |
996c9314 | 836 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 837 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 838 | } else |
4cce389e | 839 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 840 | |
32798965 MK |
841 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
842 | wctx.vty = vty; | |
843 | wctx.json = json_vni; | |
844 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
845 | if (json) | |
2dbad57f | 846 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 847 | } |
848 | ||
b7cfce93 | 849 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 850 | void **args) |
b7cfce93 MK |
851 | { |
852 | struct vty *vty = NULL; | |
853 | json_object *json = NULL; | |
854 | json_object *json_vni = NULL; | |
b7cfce93 | 855 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 856 | uint32_t num_rmacs; |
c0b4eaa4 | 857 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
858 | char vni_str[VNI_STR_LEN]; |
859 | ||
c0b4eaa4 MK |
860 | vty = (struct vty *)args[0]; |
861 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
862 | |
863 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
864 | |
865 | num_rmacs = hashcount(zl3vni->rmac_table); | |
866 | if (!num_rmacs) | |
867 | return; | |
868 | ||
869 | if (json) { | |
870 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
871 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
872 | } | |
873 | ||
874 | if (json == NULL) { | |
996c9314 | 875 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 876 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
877 | } else |
878 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
879 | ||
880 | /* assign per-vni to wctx->json object to fill macs | |
881 | * under the vni. Re-assign primary json object to fill | |
882 | * next vni information. | |
883 | */ | |
c0b4eaa4 MK |
884 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
885 | wctx.vty = vty; | |
886 | wctx.json = json_vni; | |
887 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
888 | if (json) | |
b7cfce93 | 889 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
890 | } |
891 | ||
996c9314 | 892 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
893 | { |
894 | zebra_mac_t *zrmac = NULL; | |
895 | struct rmac_walk_ctx *wctx = NULL; | |
896 | struct vty *vty = NULL; | |
897 | struct json_object *json = NULL; | |
898 | struct json_object *json_rmac = NULL; | |
899 | char buf[ETHER_ADDR_STRLEN]; | |
900 | ||
901 | wctx = (struct rmac_walk_ctx *)ctx; | |
902 | vty = wctx->vty; | |
903 | json = wctx->json; | |
904 | if (json) | |
905 | json_rmac = json_object_new_object(); | |
906 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
907 | |
908 | if (!json) { | |
4cce389e | 909 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 910 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 911 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 912 | } else { |
996c9314 LB |
913 | json_object_string_add( |
914 | json_rmac, "routerMac", | |
915 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 916 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 917 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
918 | json_object_object_add( |
919 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
920 | json_rmac); | |
b7cfce93 MK |
921 | } |
922 | } | |
923 | ||
924 | /* print a specific L3 VNI entry */ | |
925 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
926 | { | |
927 | char buf[ETHER_ADDR_STRLEN]; | |
928 | struct vty *vty = NULL; | |
929 | json_object *json = NULL; | |
930 | zebra_vni_t *zvni = NULL; | |
931 | json_object *json_vni_list = NULL; | |
932 | struct listnode *node = NULL, *nnode = NULL; | |
933 | ||
934 | vty = ctx[0]; | |
935 | json = ctx[1]; | |
936 | ||
937 | if (!json) { | |
938 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 939 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 940 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 941 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 942 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
943 | vty_out(vty, " Vxlan-Intf: %s\n", |
944 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
945 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
946 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 947 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
948 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
949 | ? "prefix-routes-only" | |
950 | : "none"); | |
4cce389e | 951 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 952 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 953 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
954 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
955 | vty_out(vty, "%u ", zvni->vni); | |
956 | vty_out(vty, "\n"); | |
957 | } else { | |
958 | json_vni_list = json_object_new_array(); | |
959 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
960 | json_object_string_add(json, "type", "L3"); |
961 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 962 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 963 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 964 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 965 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 966 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
967 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
968 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
969 | json_object_string_add( | |
970 | json, "routerMac", | |
971 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
972 | json_object_string_add( | |
973 | json, "vniFilter", | |
974 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
975 | ? "prefix-routes-only" | |
976 | : "none"); | |
b7cfce93 MK |
977 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
978 | json_object_array_add(json_vni_list, | |
979 | json_object_new_int(zvni->vni)); | |
980 | } | |
4cce389e | 981 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
982 | } |
983 | } | |
984 | ||
cec2e17d | 985 | /* |
986 | * Print a specific VNI entry. | |
987 | */ | |
cd233079 | 988 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 989 | { |
990 | struct vty *vty; | |
991 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
992 | uint32_t num_macs; |
993 | uint32_t num_neigh; | |
cd233079 CS |
994 | json_object *json = NULL; |
995 | json_object *json_vtep_list = NULL; | |
996 | json_object *json_ip_str = NULL; | |
d62a17ae | 997 | |
cd233079 CS |
998 | vty = ctxt[0]; |
999 | json = ctxt[1]; | |
1000 | ||
b7cfce93 | 1001 | if (json == NULL) { |
cd233079 | 1002 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1003 | vty_out(vty, " Type: %s\n", "L2"); |
1004 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1005 | } else { |
cd233079 | 1006 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1007 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1008 | json_object_string_add(json, "vrf", |
1009 | vrf_id_to_name(zvni->vrf_id)); | |
1010 | } | |
d62a17ae | 1011 | |
d62a17ae | 1012 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1013 | if (json == NULL) |
1014 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1015 | return; |
1016 | } | |
790f8dc5 | 1017 | num_macs = num_valid_macs(zvni); |
cd233079 | 1018 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1019 | if (json == NULL) { |
996c9314 | 1020 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1021 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1022 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1023 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1024 | } else { |
cd233079 CS |
1025 | json_object_string_add(json, "vxlanInterface", |
1026 | zvni->vxlan_if->name); | |
1027 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1028 | json_object_string_add(json, "vtepIp", | |
1029 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1030 | json_object_string_add(json, "advertiseGatewayMacip", |
1031 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1032 | json_object_int_add(json, "numMacs", num_macs); |
1033 | json_object_int_add(json, "numArpNd", num_neigh); | |
1034 | } | |
d62a17ae | 1035 | if (!zvni->vteps) { |
cd233079 CS |
1036 | if (json == NULL) |
1037 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1038 | } else { |
cd233079 CS |
1039 | if (json == NULL) |
1040 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1041 | else | |
1042 | json_vtep_list = json_object_new_array(); | |
1043 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1044 | if (json == NULL) | |
1045 | vty_out(vty, " %s\n", | |
1046 | inet_ntoa(zvtep->vtep_ip)); | |
1047 | else { | |
1048 | json_ip_str = json_object_new_string( | |
1049 | inet_ntoa(zvtep->vtep_ip)); | |
1050 | json_object_array_add(json_vtep_list, | |
1051 | json_ip_str); | |
1052 | } | |
1053 | } | |
1054 | if (json) | |
1055 | json_object_object_add(json, "numRemoteVteps", | |
1056 | json_vtep_list); | |
1057 | } | |
1058 | if (json == NULL) { | |
1059 | vty_out(vty, | |
1060 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1061 | num_macs); | |
1062 | vty_out(vty, | |
1063 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1064 | "known for this VNI: %u\n", | |
1065 | num_neigh); | |
ddd16ed5 MK |
1066 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1067 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1068 | } |
cec2e17d | 1069 | } |
1070 | ||
b7cfce93 | 1071 | /* print a L3 VNI hash entry */ |
996c9314 | 1072 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1073 | { |
b7cfce93 MK |
1074 | struct vty *vty = NULL; |
1075 | json_object *json = NULL; | |
51d8de8f | 1076 | json_object *json_vni = NULL; |
b7cfce93 MK |
1077 | zebra_l3vni_t *zl3vni = NULL; |
1078 | ||
51d8de8f MK |
1079 | vty = (struct vty *)ctx[0]; |
1080 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1081 | |
1082 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1083 | |
1084 | if (!json) { | |
996c9314 LB |
1085 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1086 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1087 | hashcount(zl3vni->rmac_table), |
996c9314 | 1088 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1089 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1090 | } else { |
51d8de8f MK |
1091 | char vni_str[VNI_STR_LEN]; |
1092 | ||
1093 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1094 | json_vni = json_object_new_object(); | |
1095 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1096 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1097 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1098 | json_object_int_add(json_vni, "numMacs", |
1099 | hashcount(zl3vni->rmac_table)); | |
1100 | json_object_int_add(json_vni, "numArpNd", | |
1101 | hashcount(zl3vni->nh_table)); | |
1102 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1103 | json_object_string_add(json_vni, "type", "L3"); | |
1104 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1105 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1106 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1107 | } |
b7cfce93 MK |
1108 | } |
1109 | ||
cec2e17d | 1110 | /* |
1111 | * Print a VNI hash entry - called for display of all VNIs. | |
1112 | */ | |
cd233079 | 1113 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1114 | { |
d62a17ae | 1115 | struct vty *vty; |
1116 | zebra_vni_t *zvni; | |
1117 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1118 | uint32_t num_vteps = 0; |
1119 | uint32_t num_macs = 0; | |
1120 | uint32_t num_neigh = 0; | |
cd233079 CS |
1121 | json_object *json = NULL; |
1122 | json_object *json_vni = NULL; | |
1123 | json_object *json_ip_str = NULL; | |
1124 | json_object *json_vtep_list = NULL; | |
1125 | ||
1126 | vty = ctxt[0]; | |
1127 | json = ctxt[1]; | |
cec2e17d | 1128 | |
d62a17ae | 1129 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1130 | |
d62a17ae | 1131 | zvtep = zvni->vteps; |
1132 | while (zvtep) { | |
1133 | num_vteps++; | |
1134 | zvtep = zvtep->next; | |
1135 | } | |
cec2e17d | 1136 | |
790f8dc5 | 1137 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1138 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1139 | if (json == NULL) |
996c9314 | 1140 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1141 | zvni->vni, "L2", |
cd233079 | 1142 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1143 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1144 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1145 | else { |
1146 | char vni_str[VNI_STR_LEN]; | |
1147 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1148 | json_vni = json_object_new_object(); | |
4cce389e MK |
1149 | json_object_int_add(json_vni, "vni", zvni->vni); |
1150 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1151 | json_object_string_add(json_vni, "vxlanIf", |
1152 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1153 | : "unknown"); | |
cd233079 CS |
1154 | json_object_int_add(json_vni, "numMacs", num_macs); |
1155 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1156 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1157 | json_object_string_add(json_vni, "tenantVrf", |
1158 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1159 | if (num_vteps) { |
1160 | json_vtep_list = json_object_new_array(); | |
1161 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1162 | json_ip_str = json_object_new_string( | |
1163 | inet_ntoa(zvtep->vtep_ip)); | |
1164 | json_object_array_add(json_vtep_list, | |
1165 | json_ip_str); | |
1166 | } | |
1167 | json_object_object_add(json_vni, "remoteVteps", | |
1168 | json_vtep_list); | |
1169 | } | |
1170 | json_object_object_add(json, vni_str, json_vni); | |
1171 | } | |
cec2e17d | 1172 | } |
1173 | ||
13d60d35 | 1174 | /* |
2232a77c | 1175 | * Inform BGP about local MACIP. |
1176 | */ | |
996c9314 | 1177 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1178 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1179 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1180 | { |
d62a17ae | 1181 | char buf[ETHER_ADDR_STRLEN]; |
1182 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1183 | int ipa_len; |
1184 | struct zserv *client = NULL; | |
1185 | struct stream *s = NULL; | |
d62a17ae | 1186 | |
21ccc0cf | 1187 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1188 | /* BGP may not be running. */ |
1189 | if (!client) | |
1190 | return 0; | |
1191 | ||
1002497a | 1192 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1193 | |
7cf15b25 | 1194 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1195 | stream_putl(s, vni); |
ff8b7eb8 | 1196 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1197 | if (ip) { |
1198 | ipa_len = 0; | |
1199 | if (IS_IPADDR_V4(ip)) | |
1200 | ipa_len = IPV4_MAX_BYTELEN; | |
1201 | else if (IS_IPADDR_V6(ip)) | |
1202 | ipa_len = IPV6_MAX_BYTELEN; | |
1203 | ||
1204 | stream_putl(s, ipa_len); /* IP address length */ | |
1205 | if (ipa_len) | |
1206 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1207 | } else | |
1208 | stream_putl(s, 0); /* Just MAC. */ | |
1209 | ||
f07e1c99 | 1210 | if (cmd == ZEBRA_MACIP_ADD) { |
1211 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1212 | stream_putl(s, seq); /* sequence number */ | |
1213 | } | |
d62a17ae | 1214 | |
b7cfce93 | 1215 | |
d62a17ae | 1216 | /* Write packet size. */ |
1217 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1218 | ||
1219 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1220 | zlog_debug( |
f07e1c99 | 1221 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1222 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1223 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1224 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1225 | zebra_route_string(client->proto)); |
d62a17ae | 1226 | |
1227 | if (cmd == ZEBRA_MACIP_ADD) | |
1228 | client->macipadd_cnt++; | |
1229 | else | |
1230 | client->macipdel_cnt++; | |
1231 | ||
21ccc0cf | 1232 | return zserv_send_message(client, s); |
2232a77c | 1233 | } |
1234 | ||
1235 | /* | |
1236 | * Make hash key for neighbors. | |
13d60d35 | 1237 | */ |
d62a17ae | 1238 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1239 | { |
d62a17ae | 1240 | zebra_neigh_t *n = p; |
1241 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1242 | |
d62a17ae | 1243 | if (IS_IPADDR_V4(ip)) |
1244 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1245 | |
d62a17ae | 1246 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1247 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1248 | } |
1249 | ||
1250 | /* | |
2232a77c | 1251 | * Compare two neighbor hash structures. |
13d60d35 | 1252 | */ |
d62a17ae | 1253 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1254 | { |
d62a17ae | 1255 | const zebra_neigh_t *n1 = p1; |
1256 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1257 | |
d62a17ae | 1258 | if (n1 == NULL && n2 == NULL) |
1259 | return 1; | |
2232a77c | 1260 | |
d62a17ae | 1261 | if (n1 == NULL || n2 == NULL) |
1262 | return 0; | |
2232a77c | 1263 | |
d62a17ae | 1264 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1265 | } |
1266 | ||
1267 | /* | |
2232a77c | 1268 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1269 | */ |
d62a17ae | 1270 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1271 | { |
d62a17ae | 1272 | const zebra_neigh_t *tmp_n = p; |
1273 | zebra_neigh_t *n; | |
13d60d35 | 1274 | |
d62a17ae | 1275 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1276 | *n = *tmp_n; | |
2232a77c | 1277 | |
d62a17ae | 1278 | return ((void *)n); |
13d60d35 | 1279 | } |
1280 | ||
1281 | /* | |
2232a77c | 1282 | * Add neighbor entry. |
13d60d35 | 1283 | */ |
b6938a74 MK |
1284 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1285 | struct ethaddr *mac) | |
13d60d35 | 1286 | { |
d62a17ae | 1287 | zebra_neigh_t tmp_n; |
1288 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1289 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1290 | |
d62a17ae | 1291 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1292 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1293 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1294 | assert(n); | |
13d60d35 | 1295 | |
b6938a74 MK |
1296 | memcpy(&n->emac, mac, ETH_ALEN); |
1297 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1298 | ||
1299 | /* Associate the neigh to mac */ | |
1300 | zmac = zvni_mac_lookup(zvni, mac); | |
1301 | if (zmac) | |
1302 | listnode_add_sort(zmac->neigh_list, n); | |
1303 | ||
d62a17ae | 1304 | return n; |
13d60d35 | 1305 | } |
1306 | ||
1307 | /* | |
2232a77c | 1308 | * Delete neighbor entry. |
13d60d35 | 1309 | */ |
d62a17ae | 1310 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1311 | { |
d62a17ae | 1312 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1313 | zebra_mac_t *zmac = NULL; |
1314 | ||
1315 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1316 | if (zmac) | |
1317 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1318 | |
d62a17ae | 1319 | /* Free the VNI hash entry and allocated memory. */ |
1320 | tmp_n = hash_release(zvni->neigh_table, n); | |
1321 | if (tmp_n) | |
1322 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1323 | |
d62a17ae | 1324 | return 0; |
13d60d35 | 1325 | } |
1326 | ||
1327 | /* | |
2232a77c | 1328 | * Free neighbor hash entry (callback) |
13d60d35 | 1329 | */ |
b1599bb6 | 1330 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1331 | { |
d62a17ae | 1332 | struct neigh_walk_ctx *wctx = arg; |
1333 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1334 | |
d62a17ae | 1335 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1336 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1337 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1338 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1339 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1340 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1341 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1342 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1343 | &n->emac, 0); |
13d60d35 | 1344 | |
d62a17ae | 1345 | if (wctx->uninstall) |
1346 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1347 | |
b1599bb6 | 1348 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1349 | } |
13d60d35 | 1350 | |
b1599bb6 | 1351 | return; |
13d60d35 | 1352 | } |
1353 | ||
1354 | /* | |
2232a77c | 1355 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1356 | */ |
d62a17ae | 1357 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1358 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1359 | { |
d62a17ae | 1360 | struct neigh_walk_ctx wctx; |
13d60d35 | 1361 | |
d62a17ae | 1362 | if (!zvni->neigh_table) |
1363 | return; | |
13d60d35 | 1364 | |
d62a17ae | 1365 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1366 | wctx.zvni = zvni; | |
1367 | wctx.uninstall = uninstall; | |
1368 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1369 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1370 | |
b1599bb6 | 1371 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1372 | } |
13d60d35 | 1373 | |
2232a77c | 1374 | /* |
1375 | * Delete all neighbor entries for this VNI. | |
1376 | */ | |
996c9314 | 1377 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1378 | uint32_t flags) |
2232a77c | 1379 | { |
d62a17ae | 1380 | struct neigh_walk_ctx wctx; |
13d60d35 | 1381 | |
d62a17ae | 1382 | if (!zvni->neigh_table) |
1383 | return; | |
13d60d35 | 1384 | |
d62a17ae | 1385 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1386 | wctx.zvni = zvni; | |
d62a17ae | 1387 | wctx.uninstall = uninstall; |
1388 | wctx.upd_client = upd_client; | |
1389 | wctx.flags = flags; | |
2232a77c | 1390 | |
b1599bb6 | 1391 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1392 | } |
1393 | ||
1394 | /* | |
2232a77c | 1395 | * Look up neighbor hash entry. |
1396 | */ | |
d62a17ae | 1397 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1398 | { |
d62a17ae | 1399 | zebra_neigh_t tmp; |
1400 | zebra_neigh_t *n; | |
2232a77c | 1401 | |
d62a17ae | 1402 | memset(&tmp, 0, sizeof(tmp)); |
1403 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1404 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1405 | |
d62a17ae | 1406 | return n; |
2232a77c | 1407 | } |
1408 | ||
f07e1c99 | 1409 | /* |
1410 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1411 | * locally or undergoing any other change (such as sequence number). | |
1412 | */ | |
1413 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1414 | zebra_mac_t *zmac, | |
1415 | bool seq_change) | |
b6938a74 MK |
1416 | { |
1417 | zebra_neigh_t *n = NULL; | |
1418 | struct listnode *node = NULL; | |
1419 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1420 | |
f07e1c99 | 1421 | if (IS_ZEBRA_DEBUG_VXLAN) |
1422 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1423 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1424 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1425 | ||
1426 | /* Walk all neighbors and mark any inactive local neighbors as | |
1427 | * active and/or update sequence number upon a move, and inform BGP. | |
1428 | * The action for remote neighbors is TBD. | |
1429 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1430 | * accidentally end up deleting a just-learnt local neighbor. | |
1431 | */ | |
b6938a74 MK |
1432 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1433 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1434 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1435 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1436 | n->loc_seq = zmac->loc_seq; |
b6938a74 | 1437 | zvni_neigh_send_add_to_client( |
f07e1c99 | 1438 | zvni->vni, &n->ip, &n->emac, |
1439 | n->flags, n->loc_seq); | |
b6938a74 | 1440 | } |
b6938a74 MK |
1441 | } |
1442 | } | |
1443 | } | |
1444 | ||
f07e1c99 | 1445 | /* |
1446 | * Process all neighbors associated with a local MAC upon the MAC being | |
1447 | * deleted. | |
1448 | */ | |
2853fed6 | 1449 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1450 | zebra_mac_t *zmac) |
1451 | { | |
1452 | zebra_neigh_t *n = NULL; | |
1453 | struct listnode *node = NULL; | |
1454 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1455 | |
f07e1c99 | 1456 | if (IS_ZEBRA_DEBUG_VXLAN) |
1457 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1458 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1459 | zvni->vni); | |
1460 | ||
1461 | /* Walk all local neighbors and mark as inactive and inform | |
1462 | * BGP, if needed. | |
1463 | * TBD: There is currently no handling for remote neighbors. We | |
1464 | * don't expect them to exist, if they do, do we install the MAC | |
1465 | * as a remote MAC and the neighbor as remote? | |
1466 | */ | |
b6938a74 MK |
1467 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1468 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1469 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1470 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1471 | n->loc_seq = 0; |
996c9314 LB |
1472 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1473 | &n->emac, 0); | |
b6938a74 | 1474 | } |
b6938a74 MK |
1475 | } |
1476 | } | |
1477 | } | |
1478 | ||
f07e1c99 | 1479 | /* |
1480 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1481 | * learnt. | |
1482 | */ | |
2853fed6 | 1483 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1484 | zebra_mac_t *zmac) |
1485 | { | |
1486 | zebra_neigh_t *n = NULL; | |
1487 | struct listnode *node = NULL; | |
1488 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1489 | |
f07e1c99 | 1490 | if (IS_ZEBRA_DEBUG_VXLAN) |
1491 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1492 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1493 | zvni->vni); | |
1494 | ||
1495 | /* Walk all local neighbors and mark as inactive and inform | |
1496 | * BGP, if needed. | |
1497 | */ | |
b6938a74 MK |
1498 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1499 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1500 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1501 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1502 | n->loc_seq = 0; |
996c9314 LB |
1503 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1504 | &n->emac, 0); | |
b6938a74 MK |
1505 | } |
1506 | } | |
1507 | } | |
1508 | } | |
1509 | ||
f07e1c99 | 1510 | /* |
1511 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1512 | * deleted. | |
1513 | */ | |
2853fed6 | 1514 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1515 | zebra_mac_t *zmac) |
1516 | { | |
f07e1c99 | 1517 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1518 | } |
1519 | ||
2232a77c | 1520 | /* |
1521 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1522 | */ |
996c9314 | 1523 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1524 | struct ethaddr *macaddr, |
f07e1c99 | 1525 | uint8_t neigh_flags, |
1526 | uint32_t seq) | |
13d60d35 | 1527 | { |
d7c0a89a | 1528 | uint8_t flags = 0; |
ead40654 MK |
1529 | |
1530 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1531 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1532 | /* Set router flag (R-bit) based on local neigh entry add */ |
1533 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1534 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1535 | |
2853fed6 | 1536 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1537 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1538 | } |
13d60d35 | 1539 | |
2232a77c | 1540 | /* |
1541 | * Inform BGP about local neighbor deletion. | |
1542 | */ | |
996c9314 | 1543 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1544 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1545 | { |
2853fed6 | 1546 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1547 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1548 | } |
1549 | ||
1550 | /* | |
1551 | * Install remote neighbor into the kernel. | |
1552 | */ | |
d62a17ae | 1553 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1554 | { |
d62a17ae | 1555 | struct zebra_if *zif; |
1556 | struct zebra_l2info_vxlan *vxl; | |
1557 | struct interface *vlan_if; | |
f7dae312 | 1558 | #ifdef GNU_LINUX |
68e33151 | 1559 | uint8_t flags; |
f7dae312 | 1560 | #endif |
68e33151 | 1561 | int ret = 0; |
2232a77c | 1562 | |
d62a17ae | 1563 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1564 | return 0; | |
13d60d35 | 1565 | |
d62a17ae | 1566 | zif = zvni->vxlan_if->info; |
1567 | if (!zif) | |
1568 | return -1; | |
1569 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1570 | |
2853fed6 | 1571 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1572 | if (!vlan_if) |
1573 | return -1; | |
68e33151 CS |
1574 | #ifdef GNU_LINUX |
1575 | flags = NTF_EXT_LEARNED; | |
1576 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1577 | flags |= NTF_ROUTER; | |
f07e1c99 | 1578 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1579 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1580 | #endif | |
1581 | return ret; | |
2232a77c | 1582 | } |
13d60d35 | 1583 | |
2232a77c | 1584 | /* |
1585 | * Uninstall remote neighbor from the kernel. | |
1586 | */ | |
d62a17ae | 1587 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1588 | { |
d62a17ae | 1589 | struct zebra_if *zif; |
1590 | struct zebra_l2info_vxlan *vxl; | |
1591 | struct interface *vlan_if; | |
13d60d35 | 1592 | |
d62a17ae | 1593 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1594 | return 0; | |
2232a77c | 1595 | |
d62a17ae | 1596 | if (!zvni->vxlan_if) { |
43e52561 QY |
1597 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
1598 | zvni->vni, zvni); | |
d62a17ae | 1599 | return -1; |
1600 | } | |
2232a77c | 1601 | |
d62a17ae | 1602 | zif = zvni->vxlan_if->info; |
1603 | if (!zif) | |
1604 | return -1; | |
1605 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1606 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1607 | if (!vlan_if) |
1608 | return -1; | |
2232a77c | 1609 | |
f07e1c99 | 1610 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1611 | n->loc_seq = 0; | |
d62a17ae | 1612 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1613 | } |
1614 | ||
1615 | /* | |
2232a77c | 1616 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1617 | */ |
d62a17ae | 1618 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1619 | { |
d62a17ae | 1620 | zebra_neigh_t *n; |
1621 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1622 | |
d62a17ae | 1623 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1624 | |
d62a17ae | 1625 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1626 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1627 | } |
13d60d35 | 1628 | |
1a98c087 MK |
1629 | /* Get the VRR interface for SVI if any */ |
1630 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1631 | { | |
1632 | struct zebra_vrf *zvrf = NULL; | |
1633 | struct interface *tmp_if = NULL; | |
1634 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1635 | |
1636 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1637 | assert(zvrf); | |
1638 | ||
451fda4f | 1639 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1640 | zif = tmp_if->info; |
1641 | if (!zif) | |
1642 | continue; | |
1643 | ||
1644 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1645 | continue; | |
1646 | ||
1647 | if (zif->link == ifp) | |
1648 | return tmp_if; | |
1649 | } | |
1650 | ||
1651 | return NULL; | |
1652 | } | |
1653 | ||
1654 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1655 | { | |
1a98c087 MK |
1656 | struct listnode *cnode = NULL, *cnnode = NULL; |
1657 | struct connected *c = NULL; | |
1658 | struct ethaddr macaddr; | |
1659 | ||
1a98c087 MK |
1660 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1661 | ||
1662 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1663 | struct ipaddr ip; | |
1664 | ||
1665 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1666 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1667 | continue; | |
1668 | ||
1669 | if (c->address->family == AF_INET) { | |
1670 | ip.ipa_type = IPADDR_V4; | |
1671 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1672 | sizeof(struct in_addr)); | |
1673 | } else if (c->address->family == AF_INET6) { | |
1674 | ip.ipa_type = IPADDR_V6; | |
1675 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1676 | sizeof(struct in6_addr)); | |
1677 | } else { | |
1678 | continue; | |
1679 | } | |
1680 | ||
1681 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1682 | } | |
1683 | ||
1684 | return 0; | |
1685 | } | |
1686 | ||
1687 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1688 | { | |
1a98c087 MK |
1689 | struct listnode *cnode = NULL, *cnnode = NULL; |
1690 | struct connected *c = NULL; | |
1691 | struct ethaddr macaddr; | |
1692 | ||
1a98c087 MK |
1693 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1694 | ||
1695 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1696 | struct ipaddr ip; | |
1697 | ||
1698 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1699 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1700 | continue; | |
1701 | ||
1702 | if (c->address->family == AF_INET) { | |
1703 | ip.ipa_type = IPADDR_V4; | |
1704 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1705 | sizeof(struct in_addr)); | |
1706 | } else if (c->address->family == AF_INET6) { | |
1707 | ip.ipa_type = IPADDR_V6; | |
1708 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1709 | sizeof(struct in6_addr)); | |
1710 | } else { | |
1711 | continue; | |
1712 | } | |
1713 | ||
1714 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1715 | } | |
31310b25 MK |
1716 | return 0; |
1717 | } | |
1718 | ||
1719 | ||
996c9314 | 1720 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1721 | int advertise) |
1722 | { | |
1723 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1724 | struct connected *c = NULL; | |
1725 | struct ethaddr macaddr; | |
1726 | ||
1727 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1728 | ||
1729 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1730 | struct prefix p; | |
1a98c087 | 1731 | |
31310b25 MK |
1732 | memcpy(&p, c->address, sizeof(struct prefix)); |
1733 | ||
1734 | /* skip link local address */ | |
1735 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1736 | continue; | |
1737 | ||
1738 | apply_mask(&p); | |
1739 | if (advertise) | |
1740 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1741 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1742 | else |
1743 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1744 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1745 | } | |
1a98c087 MK |
1746 | return 0; |
1747 | } | |
1748 | ||
1749 | /* | |
1750 | * zvni_gw_macip_add_to_client | |
1751 | */ | |
1752 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1753 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1754 | { | |
1a98c087 MK |
1755 | char buf[ETHER_ADDR_STRLEN]; |
1756 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1757 | zebra_neigh_t *n = NULL; |
1758 | zebra_mac_t *mac = NULL; | |
1759 | struct zebra_if *zif = NULL; | |
1760 | struct zebra_l2info_vxlan *vxl = NULL; | |
1761 | ||
1a98c087 MK |
1762 | zif = zvni->vxlan_if->info; |
1763 | if (!zif) | |
1764 | return -1; | |
1765 | ||
1766 | vxl = &zif->l2info.vxl; | |
1767 | ||
1768 | mac = zvni_mac_lookup(zvni, macaddr); | |
1769 | if (!mac) { | |
1770 | mac = zvni_mac_add(zvni, macaddr); | |
1771 | if (!mac) { | |
af4c2728 | 1772 | flog_err(ZEBRA_ERR_MAC_ADD_FAILED, |
43e52561 QY |
1773 | "Failed to add MAC %s intf %s(%u) VID %u", |
1774 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1775 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1776 | return -1; |
1777 | } | |
1778 | } | |
1779 | ||
1780 | /* Set "local" forwarding info. */ | |
1781 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1782 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1783 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1784 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1785 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1786 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1787 | ||
1788 | n = zvni_neigh_lookup(zvni, ip); | |
1789 | if (!n) { | |
b6938a74 | 1790 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1791 | if (!n) { |
af4c2728 | 1792 | flog_err( |
43e52561 | 1793 | ZEBRA_ERR_MAC_ADD_FAILED, |
2853fed6 | 1794 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1795 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1796 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1797 | ifp->name, ifp->ifindex, zvni->vni); |
1798 | return -1; | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | /* Set "local" forwarding info. */ | |
1803 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1804 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 1805 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1806 | /* Set Router flag (R-bit) */ |
1807 | if (ip->ipa_type == IPADDR_V6) | |
1808 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1809 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1810 | n->ifindex = ifp->ifindex; | |
1811 | ||
ead40654 MK |
1812 | /* Only advertise in BGP if the knob is enabled */ |
1813 | if (!advertise_gw_macip_enabled(zvni)) | |
1814 | return 0; | |
1815 | ||
1a98c087 MK |
1816 | if (IS_ZEBRA_DEBUG_VXLAN) |
1817 | zlog_debug( | |
68e33151 | 1818 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1819 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1820 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1821 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1822 | |
f07e1c99 | 1823 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1824 | n->flags, n->loc_seq); | |
1a98c087 MK |
1825 | |
1826 | return 0; | |
1827 | } | |
1828 | ||
1829 | /* | |
1830 | * zvni_gw_macip_del_from_client | |
1831 | */ | |
1832 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1833 | struct ipaddr *ip) | |
1834 | { | |
0af35d90 | 1835 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1836 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1837 | zebra_neigh_t *n = NULL; |
1838 | zebra_mac_t *mac = NULL; | |
1839 | ||
1a98c087 MK |
1840 | /* If the neigh entry is not present nothing to do*/ |
1841 | n = zvni_neigh_lookup(zvni, ip); | |
1842 | if (!n) | |
1843 | return 0; | |
1844 | ||
1845 | /* mac entry should be present */ | |
1846 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1847 | if (!mac) { |
43e52561 QY |
1848 | zlog_warn("MAC %s doesnt exists for neigh %s on VNI %u", |
1849 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), | |
1850 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1851 | return -1; |
1852 | } | |
1a98c087 MK |
1853 | |
1854 | /* If the entry is not local nothing to do*/ | |
1855 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1856 | return -1; | |
1857 | ||
ead40654 | 1858 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1859 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1860 | zlog_debug( |
1861 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1862 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1863 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1864 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1865 | |
1866 | /* Remove neighbor from BGP. */ | |
1867 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1868 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1869 | |
1870 | /* Delete this neighbor entry. */ | |
1871 | zvni_neigh_del(zvni, n); | |
1872 | ||
1873 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1874 | if (mac) |
1875 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1876 | |
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1881 | void *ctxt) |
1a98c087 MK |
1882 | { |
1883 | zebra_vni_t *zvni = NULL; | |
1884 | struct zebra_if *zif = NULL; | |
1885 | struct zebra_l2info_vxlan zl2_info; | |
1886 | struct interface *vlan_if = NULL; | |
1887 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1888 | struct interface *ifp; |
1a98c087 MK |
1889 | |
1890 | /* Add primary SVI MAC*/ | |
1891 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1892 | |
b5ebdc9b | 1893 | ifp = zvni->vxlan_if; |
1894 | if (!ifp) | |
1895 | return; | |
1896 | zif = ifp->info; | |
1897 | ||
1898 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1899 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1900 | return; |
1901 | ||
1a98c087 MK |
1902 | zl2_info = zif->l2info.vxl; |
1903 | ||
996c9314 LB |
1904 | vlan_if = |
1905 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1906 | if (!vlan_if) |
1907 | return; | |
1908 | ||
1909 | /* Del primary MAC-IP */ | |
1910 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1911 | ||
1912 | /* Del VRR MAC-IP - if any*/ | |
1913 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1914 | if (vrr_if) | |
1915 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1916 | ||
1917 | return; | |
1918 | } | |
1919 | ||
1920 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1921 | void *ctxt) |
1a98c087 MK |
1922 | { |
1923 | zebra_vni_t *zvni = NULL; | |
1924 | struct zebra_if *zif = NULL; | |
1925 | struct zebra_l2info_vxlan zl2_info; | |
1926 | struct interface *vlan_if = NULL; | |
1927 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1928 | struct interface *ifp = NULL; |
1a98c087 MK |
1929 | |
1930 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1931 | |
b5ebdc9b | 1932 | ifp = zvni->vxlan_if; |
1933 | if (!ifp) | |
1934 | return; | |
1935 | zif = ifp->info; | |
1936 | ||
1937 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1938 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1939 | return; |
1a98c087 MK |
1940 | zl2_info = zif->l2info.vxl; |
1941 | ||
996c9314 LB |
1942 | vlan_if = |
1943 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1944 | if (!vlan_if) |
1945 | return; | |
1946 | ||
1a98c087 MK |
1947 | /* Add primary SVI MAC-IP */ |
1948 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1949 | ||
1950 | /* Add VRR MAC-IP - if any*/ | |
1951 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1952 | if (vrr_if) | |
1953 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1954 | ||
1955 | return; | |
1956 | } | |
1957 | ||
ee69da27 MK |
1958 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1959 | struct interface *ifp, | |
1960 | struct ipaddr *ip, | |
68e33151 CS |
1961 | struct ethaddr *macaddr, |
1962 | uint8_t router_flag) | |
ee69da27 MK |
1963 | { |
1964 | char buf[ETHER_ADDR_STRLEN]; | |
1965 | char buf2[INET6_ADDRSTRLEN]; | |
1966 | zebra_neigh_t *n = NULL; | |
1967 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 1968 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
1969 | bool upd_mac_seq = false; | |
1970 | bool neigh_mac_change = false; | |
29c2ce7c | 1971 | bool check_rbit = false; |
ee69da27 | 1972 | |
f07e1c99 | 1973 | /* Check if the MAC exists. */ |
ee69da27 MK |
1974 | zmac = zvni_mac_lookup(zvni, macaddr); |
1975 | if (!zmac) { | |
f07e1c99 | 1976 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
1977 | if (IS_ZEBRA_DEBUG_VXLAN) |
1978 | zlog_debug( | |
1979 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1980 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1981 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1982 | ||
1983 | zmac = zvni_mac_add(zvni, macaddr); | |
1984 | if (!zmac) { | |
1985 | zlog_warn("Failed to add MAC %s VNI %u", | |
1986 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1987 | zvni->vni); | |
1988 | return -1; | |
1989 | } | |
1990 | ||
1991 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1992 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1993 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 1994 | } else { |
1995 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
1996 | /* | |
1997 | * We don't change the MAC to local upon a neighbor | |
1998 | * learn event, we wait for the explicit local MAC | |
1999 | * learn. However, we have to compute its sequence | |
2000 | * number in preparation for when it actually turns | |
2001 | * local. | |
2002 | */ | |
2003 | upd_mac_seq = true; | |
2004 | } | |
ee69da27 MK |
2005 | } |
2006 | ||
f07e1c99 | 2007 | /* Check if the neighbor exists. */ |
ee69da27 | 2008 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2009 | if (!n) { |
2010 | /* New neighbor - create */ | |
2011 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2012 | if (!n) { | |
2013 | flog_err( | |
2014 | ZEBRA_ERR_MAC_ADD_FAILED, | |
2015 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", | |
2016 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2017 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2018 | ifp->name, ifp->ifindex, zvni->vni); | |
2019 | return -1; | |
2020 | } | |
2021 | /* Set "local" forwarding info. */ | |
2022 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2023 | n->ifindex = ifp->ifindex; | |
f190902f | 2024 | check_rbit = true; |
f07e1c99 | 2025 | } else { |
ee69da27 | 2026 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
f07e1c99 | 2027 | /* If there is no MAC change, BGP isn't interested. */ |
29c2ce7c CS |
2028 | if (router_flag != |
2029 | (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) | |
2030 | ? 1 : 0)) | |
2031 | check_rbit = true; | |
2032 | ||
ee69da27 MK |
2033 | if (memcmp(n->emac.octet, macaddr->octet, |
2034 | ETH_ALEN) == 0) { | |
2035 | /* Update any params and return - client doesn't | |
2036 | * care about a purely local change. | |
2037 | */ | |
2038 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2039 | } else { |
ee69da27 | 2040 | |
f190902f | 2041 | /* If the MAC has changed, need to issue a |
2042 | * delete first as this means a different | |
2043 | * MACIP route. Also, need to do some | |
2044 | * unlinking/relinking. We also need to | |
2045 | * update the MAC's sequence number | |
2046 | * in different situations. | |
29c2ce7c | 2047 | */ |
f190902f | 2048 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2049 | zvni_neigh_send_del_to_client( | |
2050 | zvni->vni, &n->ip, &n->emac, 0); | |
29c2ce7c CS |
2051 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
2052 | if (old_zmac) { | |
f190902f | 2053 | old_mac_seq = |
2054 | CHECK_FLAG(old_zmac->flags, | |
2055 | ZEBRA_MAC_REMOTE) ? | |
2056 | old_zmac->rem_seq : | |
2057 | old_zmac->loc_seq; | |
2058 | neigh_mac_change = upd_mac_seq = true; | |
2059 | listnode_delete( | |
2060 | old_zmac->neigh_list, n); | |
29c2ce7c CS |
2061 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2062 | } | |
ee69da27 | 2063 | |
29c2ce7c CS |
2064 | /* Update the forwarding info. */ |
2065 | n->ifindex = ifp->ifindex; | |
2066 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
ee69da27 | 2067 | |
29c2ce7c CS |
2068 | /* Link to new MAC */ |
2069 | listnode_add_sort(zmac->neigh_list, n); | |
2070 | } | |
ee69da27 | 2071 | |
f07e1c99 | 2072 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2073 | /* | |
2074 | * Neighbor has moved from remote to local. Its | |
2075 | * MAC could have also changed as part of the move. | |
2076 | */ | |
ee69da27 MK |
2077 | if (memcmp(n->emac.octet, macaddr->octet, |
2078 | ETH_ALEN) != 0) { | |
2079 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2080 | if (old_zmac) { | |
9df2b997 | 2081 | old_mac_seq = CHECK_FLAG( |
2082 | old_zmac->flags, | |
2083 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2084 | old_zmac->rem_seq : |
2085 | old_zmac->loc_seq; | |
2086 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2087 | listnode_delete(old_zmac->neigh_list, |
2088 | n); | |
ee69da27 MK |
2089 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2090 | } | |
2091 | ||
2092 | /* Link to new MAC */ | |
2093 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2094 | listnode_add_sort(zmac->neigh_list, n); | |
2095 | } | |
2096 | ||
2097 | /* Mark appropriately */ | |
2098 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2099 | n->r_vtep_ip.s_addr = 0; | |
2100 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2101 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2102 | check_rbit = true; |
ee69da27 | 2103 | } |
f07e1c99 | 2104 | } |
2105 | ||
2106 | /* If MAC was previously remote, or the neighbor had a different | |
2107 | * MAC earlier, recompute the sequence number. | |
2108 | */ | |
2109 | if (upd_mac_seq) { | |
2110 | uint32_t seq1, seq2; | |
2111 | ||
2112 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2113 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2114 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2115 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2116 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2117 | } |
2118 | ||
54c17425 CS |
2119 | /*Mark Router flag (R-bit) */ |
2120 | if (router_flag) | |
2121 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2122 | else | |
2123 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2124 | ||
ee69da27 | 2125 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2126 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2127 | */ |
2128 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2129 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2130 | n->loc_seq = 0; |
2131 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2132 | return 0; |
2133 | } | |
2134 | ||
bf437f90 | 2135 | if (!check_rbit) |
f190902f | 2136 | return 0; |
68e33151 | 2137 | |
f07e1c99 | 2138 | /* If the MAC's sequence number has changed, inform the MAC and all |
2139 | * neighbors associated with the MAC to BGP, else just inform this | |
2140 | * neighbor. | |
2141 | */ | |
2142 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2143 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2144 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2145 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2146 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2147 | zmac->loc_seq = mac_new_seq; | |
2148 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2149 | zmac->flags, zmac->loc_seq)) | |
2150 | return -1; | |
2151 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2152 | return 0; |
2153 | } | |
2154 | ||
ee69da27 | 2155 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2156 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2157 | |
f07e1c99 | 2158 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2159 | n->flags, n->loc_seq); | |
ee69da27 MK |
2160 | } |
2161 | ||
2162 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2163 | struct interface *ifp, | |
2164 | struct ipaddr *ip, | |
2165 | struct ethaddr *macaddr, | |
2166 | uint16_t state) | |
2167 | { | |
2168 | char buf[ETHER_ADDR_STRLEN]; | |
2169 | char buf2[INET6_ADDRSTRLEN]; | |
2170 | zebra_neigh_t *n = NULL; | |
2171 | zebra_mac_t *zmac = NULL; | |
2172 | ||
2173 | /* If the neighbor is unknown, there is no further action. */ | |
2174 | n = zvni_neigh_lookup(zvni, ip); | |
2175 | if (!n) | |
2176 | return 0; | |
2177 | ||
2178 | /* If a remote entry, see if it needs to be refreshed */ | |
2179 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2180 | #ifdef GNU_LINUX |
ee69da27 MK |
2181 | if (state & NUD_STALE) |
2182 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2183 | #endif |
ee69da27 MK |
2184 | } else { |
2185 | /* We got a "remote" neighbor notification for an entry | |
2186 | * we think is local. This can happen in a multihoming | |
2187 | * scenario - but only if the MAC is already "remote". | |
2188 | * Just mark our entry as "remote". | |
2189 | */ | |
2190 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2191 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
43e52561 QY |
2192 | zlog_warn( |
2193 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", | |
2194 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2195 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2196 | zvni->vni); | |
ee69da27 MK |
2197 | return -1; |
2198 | } | |
2199 | ||
2200 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2201 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2202 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2203 | } | |
2204 | ||
2205 | return 0; | |
2206 | } | |
2207 | ||
2232a77c | 2208 | /* |
2209 | * Make hash key for MAC. | |
2210 | */ | |
d62a17ae | 2211 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2212 | { |
d62a17ae | 2213 | zebra_mac_t *pmac = p; |
25331def DS |
2214 | const void *pnt = (void *)pmac->macaddr.octet; |
2215 | ||
ff8b7eb8 | 2216 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2217 | } |
13d60d35 | 2218 | |
2232a77c | 2219 | /* |
2220 | * Compare two MAC addresses. | |
2221 | */ | |
d62a17ae | 2222 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2223 | { |
d62a17ae | 2224 | const zebra_mac_t *pmac1 = p1; |
2225 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2226 | |
d62a17ae | 2227 | if (pmac1 == NULL && pmac2 == NULL) |
2228 | return 1; | |
2232a77c | 2229 | |
d62a17ae | 2230 | if (pmac1 == NULL || pmac2 == NULL) |
2231 | return 0; | |
2232a77c | 2232 | |
996c9314 | 2233 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2234 | == 0); |
2232a77c | 2235 | } |
2236 | ||
2237 | /* | |
2238 | * Callback to allocate MAC hash entry. | |
2239 | */ | |
d62a17ae | 2240 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2241 | { |
d62a17ae | 2242 | const zebra_mac_t *tmp_mac = p; |
2243 | zebra_mac_t *mac; | |
2232a77c | 2244 | |
d62a17ae | 2245 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2246 | *mac = *tmp_mac; | |
2232a77c | 2247 | |
d62a17ae | 2248 | return ((void *)mac); |
2232a77c | 2249 | } |
2250 | ||
2251 | /* | |
2252 | * Add MAC entry. | |
2253 | */ | |
d62a17ae | 2254 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2255 | { |
d62a17ae | 2256 | zebra_mac_t tmp_mac; |
2257 | zebra_mac_t *mac = NULL; | |
2232a77c | 2258 | |
d62a17ae | 2259 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2260 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2261 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2262 | assert(mac); | |
2232a77c | 2263 | |
b6938a74 MK |
2264 | mac->neigh_list = list_new(); |
2265 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2266 | ||
d62a17ae | 2267 | return mac; |
2232a77c | 2268 | } |
2269 | ||
2270 | /* | |
2271 | * Delete MAC entry. | |
2272 | */ | |
d62a17ae | 2273 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2274 | { |
d62a17ae | 2275 | zebra_mac_t *tmp_mac; |
2232a77c | 2276 | |
affe9e99 | 2277 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2278 | |
d62a17ae | 2279 | /* Free the VNI hash entry and allocated memory. */ |
2280 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2281 | if (tmp_mac) | |
2282 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2283 | |
d62a17ae | 2284 | return 0; |
2232a77c | 2285 | } |
2286 | ||
2287 | /* | |
2288 | * Free MAC hash entry (callback) | |
2289 | */ | |
b1599bb6 | 2290 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2291 | { |
d62a17ae | 2292 | struct mac_walk_ctx *wctx = arg; |
2293 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2294 | |
d62a17ae | 2295 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2296 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2297 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2298 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2299 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2300 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2301 | &wctx->r_vtep_ip))) { | |
2302 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2303 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2304 | &mac->macaddr, mac->flags); | |
d62a17ae | 2305 | } |
2232a77c | 2306 | |
d62a17ae | 2307 | if (wctx->uninstall) |
2308 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2309 | |
b1599bb6 | 2310 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2311 | } |
2232a77c | 2312 | |
b1599bb6 | 2313 | return; |
2232a77c | 2314 | } |
2315 | ||
2316 | /* | |
2317 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2318 | */ | |
d62a17ae | 2319 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2320 | struct in_addr *r_vtep_ip) | |
2232a77c | 2321 | { |
d62a17ae | 2322 | struct mac_walk_ctx wctx; |
2232a77c | 2323 | |
d62a17ae | 2324 | if (!zvni->mac_table) |
2325 | return; | |
2232a77c | 2326 | |
d62a17ae | 2327 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2328 | wctx.zvni = zvni; | |
2329 | wctx.uninstall = uninstall; | |
2330 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2331 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2332 | |
b1599bb6 | 2333 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2334 | } |
2335 | ||
2336 | /* | |
2337 | * Delete all MAC entries for this VNI. | |
2338 | */ | |
996c9314 | 2339 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2340 | uint32_t flags) |
2232a77c | 2341 | { |
d62a17ae | 2342 | struct mac_walk_ctx wctx; |
2232a77c | 2343 | |
d62a17ae | 2344 | if (!zvni->mac_table) |
2345 | return; | |
2232a77c | 2346 | |
d62a17ae | 2347 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2348 | wctx.zvni = zvni; | |
d62a17ae | 2349 | wctx.uninstall = uninstall; |
2350 | wctx.upd_client = upd_client; | |
2351 | wctx.flags = flags; | |
2232a77c | 2352 | |
b1599bb6 | 2353 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2354 | } |
2355 | ||
2356 | /* | |
2357 | * Look up MAC hash entry. | |
2358 | */ | |
d62a17ae | 2359 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2360 | { |
d62a17ae | 2361 | zebra_mac_t tmp; |
2362 | zebra_mac_t *pmac; | |
2232a77c | 2363 | |
d62a17ae | 2364 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2365 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2366 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2367 | |
d62a17ae | 2368 | return pmac; |
2232a77c | 2369 | } |
2370 | ||
2371 | /* | |
2372 | * Inform BGP about local MAC addition. | |
2373 | */ | |
996c9314 | 2374 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2375 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2376 | { |
d7c0a89a | 2377 | uint8_t flags = 0; |
ead40654 MK |
2378 | |
2379 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2380 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2381 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2382 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2383 | ||
2853fed6 | 2384 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2385 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2386 | } |
2387 | ||
2388 | /* | |
2389 | * Inform BGP about local MAC deletion. | |
2390 | */ | |
996c9314 | 2391 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2392 | uint8_t mac_flags) |
2232a77c | 2393 | { |
d7c0a89a | 2394 | uint8_t flags = 0; |
ead40654 MK |
2395 | |
2396 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2397 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2398 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2399 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2400 | ||
2853fed6 | 2401 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2402 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 2403 | } |
2404 | ||
2405 | /* | |
2406 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2407 | * notifications, to see if they are of interest. |
2232a77c | 2408 | */ |
d62a17ae | 2409 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2410 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2411 | { |
2853fed6 | 2412 | struct zebra_ns *zns; |
2413 | struct route_node *rn; | |
2414 | struct interface *tmp_if = NULL; | |
d62a17ae | 2415 | struct zebra_if *zif; |
2416 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2417 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2418 | uint8_t bridge_vlan_aware; |
d62a17ae | 2419 | zebra_vni_t *zvni; |
2853fed6 | 2420 | int found = 0; |
2232a77c | 2421 | |
d62a17ae | 2422 | /* Determine if bridge is VLAN-aware or not */ |
2423 | zif = br_if->info; | |
2424 | assert(zif); | |
2425 | br = &zif->l2info.br; | |
2426 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2427 | |
d62a17ae | 2428 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2429 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2430 | zns = zebra_ns_lookup(NS_DEFAULT); |
2431 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2432 | tmp_if = (struct interface *)rn->info; | |
2433 | if (!tmp_if) | |
2434 | continue; | |
d62a17ae | 2435 | zif = tmp_if->info; |
2436 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2437 | continue; | |
2438 | if (!if_is_operative(tmp_if)) | |
2439 | continue; | |
2440 | vxl = &zif->l2info.vxl; | |
2232a77c | 2441 | |
d62a17ae | 2442 | if (zif->brslave_info.br_if != br_if) |
2443 | continue; | |
2232a77c | 2444 | |
2853fed6 | 2445 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2446 | found = 1; | |
d62a17ae | 2447 | break; |
2853fed6 | 2448 | } |
d62a17ae | 2449 | } |
2232a77c | 2450 | |
2853fed6 | 2451 | if (!found) |
d62a17ae | 2452 | return NULL; |
2232a77c | 2453 | |
2853fed6 | 2454 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2455 | return zvni; |
2232a77c | 2456 | } |
2457 | ||
2458 | /* | |
2459 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2460 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2461 | */ |
b7cfce93 MK |
2462 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2463 | struct interface *br_if) | |
d62a17ae | 2464 | { |
2853fed6 | 2465 | struct zebra_ns *zns; |
2466 | struct route_node *rn; | |
2467 | struct interface *tmp_if = NULL; | |
d62a17ae | 2468 | struct zebra_if *zif; |
2469 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2470 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2471 | uint8_t bridge_vlan_aware; |
d62a17ae | 2472 | vlanid_t vid = 0; |
2473 | zebra_vni_t *zvni; | |
2853fed6 | 2474 | int found = 0; |
d62a17ae | 2475 | |
71349e03 MK |
2476 | if (!br_if) |
2477 | return NULL; | |
2478 | ||
d62a17ae | 2479 | /* Make sure the linked interface is a bridge. */ |
2480 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2481 | return NULL; | |
2482 | ||
d62a17ae | 2483 | /* Determine if bridge is VLAN-aware or not */ |
2484 | zif = br_if->info; | |
2485 | assert(zif); | |
2486 | br = &zif->l2info.br; | |
2487 | bridge_vlan_aware = br->vlan_aware; | |
2488 | if (bridge_vlan_aware) { | |
2489 | struct zebra_l2info_vlan *vl; | |
2490 | ||
2491 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2492 | return NULL; | |
2493 | ||
2494 | zif = ifp->info; | |
2495 | assert(zif); | |
2496 | vl = &zif->l2info.vl; | |
2497 | vid = vl->vid; | |
2498 | } | |
2499 | ||
2500 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2501 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2502 | zns = zebra_ns_lookup(NS_DEFAULT); |
2503 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2504 | tmp_if = (struct interface *)rn->info; | |
2505 | if (!tmp_if) | |
2506 | continue; | |
d62a17ae | 2507 | zif = tmp_if->info; |
2508 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2509 | continue; | |
2510 | if (!if_is_operative(tmp_if)) | |
2511 | continue; | |
2512 | vxl = &zif->l2info.vxl; | |
2513 | ||
2514 | if (zif->brslave_info.br_if != br_if) | |
2515 | continue; | |
2516 | ||
2853fed6 | 2517 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2518 | found = 1; | |
d62a17ae | 2519 | break; |
2853fed6 | 2520 | } |
d62a17ae | 2521 | } |
2522 | ||
2853fed6 | 2523 | if (!found) |
d62a17ae | 2524 | return NULL; |
2525 | ||
2853fed6 | 2526 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2527 | return zvni; |
2232a77c | 2528 | } |
2529 | ||
2530 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2531 | * of two cases: | |
2532 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2533 | * linked to the bridge | |
2534 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2535 | * itself | |
2536 | */ | |
2853fed6 | 2537 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2538 | { |
2853fed6 | 2539 | struct zebra_ns *zns; |
2540 | struct route_node *rn; | |
2541 | struct interface *tmp_if = NULL; | |
d62a17ae | 2542 | struct zebra_if *zif; |
2543 | struct zebra_l2info_bridge *br; | |
2544 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2545 | uint8_t bridge_vlan_aware; |
2853fed6 | 2546 | int found = 0; |
d62a17ae | 2547 | |
b5ebdc9b | 2548 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2549 | if (!br_if) | |
2550 | return NULL; | |
2551 | ||
d62a17ae | 2552 | /* Determine if bridge is VLAN-aware or not */ |
2553 | zif = br_if->info; | |
2554 | assert(zif); | |
2555 | br = &zif->l2info.br; | |
2556 | bridge_vlan_aware = br->vlan_aware; | |
2557 | ||
2558 | /* Check oper status of the SVI. */ | |
2559 | if (!bridge_vlan_aware) | |
2560 | return if_is_operative(br_if) ? br_if : NULL; | |
2561 | ||
2562 | /* Identify corresponding VLAN interface. */ | |
2563 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2564 | zns = zebra_ns_lookup(NS_DEFAULT); |
2565 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2566 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2567 | /* Check oper status of the SVI. */ |
2853fed6 | 2568 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2569 | continue; |
2570 | zif = tmp_if->info; | |
2571 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2572 | || zif->link != br_if) | |
2573 | continue; | |
2574 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2575 | ||
2853fed6 | 2576 | if (vl->vid == vid) { |
2577 | found = 1; | |
d62a17ae | 2578 | break; |
2853fed6 | 2579 | } |
d62a17ae | 2580 | } |
2581 | ||
2853fed6 | 2582 | return found ? tmp_if : NULL; |
2232a77c | 2583 | } |
2584 | ||
2585 | /* | |
2586 | * Install remote MAC into the kernel. | |
2587 | */ | |
d62a17ae | 2588 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2589 | { |
d62a17ae | 2590 | struct zebra_if *zif; |
2591 | struct zebra_l2info_vxlan *vxl; | |
d7c0a89a | 2592 | uint8_t sticky; |
2232a77c | 2593 | |
d62a17ae | 2594 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2595 | return 0; | |
2232a77c | 2596 | |
d62a17ae | 2597 | zif = zvni->vxlan_if->info; |
2598 | if (!zif) | |
2599 | return -1; | |
2600 | vxl = &zif->l2info.vxl; | |
2232a77c | 2601 | |
51f4dab4 AK |
2602 | sticky = CHECK_FLAG(mac->flags, |
2603 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)) ? 1 : 0; | |
c85c03c7 | 2604 | |
d62a17ae | 2605 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2606 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2607 | } |
2608 | ||
2609 | /* | |
2610 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2611 | * moves to remote, we have to uninstall any existing local entry first. | |
2612 | */ | |
d62a17ae | 2613 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2614 | { |
d62a17ae | 2615 | struct zebra_if *zif; |
2616 | struct zebra_l2info_vxlan *vxl; | |
2617 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2618 | struct zebra_ns *zns; | |
2619 | struct interface *ifp; | |
2232a77c | 2620 | |
d62a17ae | 2621 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2622 | return 0; | |
2232a77c | 2623 | |
d62a17ae | 2624 | if (!zvni->vxlan_if) { |
43e52561 QY |
2625 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
2626 | zvni->vni, zvni); | |
d62a17ae | 2627 | return -1; |
2628 | } | |
2232a77c | 2629 | |
d62a17ae | 2630 | zif = zvni->vxlan_if->info; |
2631 | if (!zif) | |
2632 | return -1; | |
2633 | vxl = &zif->l2info.vxl; | |
2232a77c | 2634 | |
d62a17ae | 2635 | if (local) { |
2636 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2637 | ifp = if_lookup_by_index_per_ns(zns, | |
2638 | mac->fwd_info.local.ifindex); | |
2639 | if (!ifp) // unexpected | |
2640 | return -1; | |
2641 | } else { | |
2642 | ifp = zvni->vxlan_if; | |
2643 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2644 | } | |
2232a77c | 2645 | |
d62a17ae | 2646 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2647 | local); | |
2232a77c | 2648 | } |
2649 | ||
2650 | /* | |
2651 | * Install MAC hash entry - called upon access VLAN change. | |
2652 | */ | |
d62a17ae | 2653 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2654 | { |
d62a17ae | 2655 | zebra_mac_t *mac; |
2656 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2657 | |
d62a17ae | 2658 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2659 | |
d62a17ae | 2660 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2661 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2662 | } |
2663 | ||
2664 | /* | |
2665 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2666 | * appropriate. | |
2667 | */ | |
d62a17ae | 2668 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2669 | int uninstall) | |
2232a77c | 2670 | { |
60466a63 QY |
2671 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2672 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2673 | return; |
2232a77c | 2674 | |
d62a17ae | 2675 | if (uninstall) |
2676 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2677 | |
d62a17ae | 2678 | zvni_mac_del(zvni, mac); |
2232a77c | 2679 | } |
2680 | ||
2681 | /* | |
2682 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2683 | */ | |
996c9314 | 2684 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2685 | { |
2853fed6 | 2686 | struct zebra_ns *zns; |
d62a17ae | 2687 | struct zebra_if *zif; |
2688 | struct interface *vlan_if; | |
2689 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2690 | struct interface *vrr_if; |
2232a77c | 2691 | |
d62a17ae | 2692 | zif = ifp->info; |
2693 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2694 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2695 | |
d62a17ae | 2696 | if (IS_ZEBRA_DEBUG_VXLAN) |
2697 | zlog_debug( | |
2853fed6 | 2698 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2699 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2700 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2701 | |
2853fed6 | 2702 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2703 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2704 | if (vlan_if) { |
2705 | ||
ead40654 MK |
2706 | /* Add SVI MAC-IP */ |
2707 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2708 | |
ead40654 MK |
2709 | /* Add VRR MAC-IP - if any*/ |
2710 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2711 | if (vrr_if) | |
2712 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2713 | |
2853fed6 | 2714 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2715 | } |
2232a77c | 2716 | } |
2717 | ||
2718 | /* | |
2719 | * Hash function for VNI. | |
2720 | */ | |
d62a17ae | 2721 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2722 | { |
d62a17ae | 2723 | const zebra_vni_t *zvni = p; |
2232a77c | 2724 | |
d62a17ae | 2725 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2726 | } |
2727 | ||
2728 | /* | |
2729 | * Compare 2 VNI hash entries. | |
2730 | */ | |
d62a17ae | 2731 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2732 | { |
d62a17ae | 2733 | const zebra_vni_t *zvni1 = p1; |
2734 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2735 | |
d62a17ae | 2736 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2737 | } |
2738 | ||
2739 | /* | |
2740 | * Callback to allocate VNI hash entry. | |
2741 | */ | |
d62a17ae | 2742 | static void *zvni_alloc(void *p) |
2232a77c | 2743 | { |
d62a17ae | 2744 | const zebra_vni_t *tmp_vni = p; |
2745 | zebra_vni_t *zvni; | |
2232a77c | 2746 | |
d62a17ae | 2747 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2748 | zvni->vni = tmp_vni->vni; | |
2749 | return ((void *)zvni); | |
2232a77c | 2750 | } |
2751 | ||
2752 | /* | |
2753 | * Look up VNI hash entry. | |
2754 | */ | |
2853fed6 | 2755 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2756 | { |
2853fed6 | 2757 | struct zebra_vrf *zvrf; |
d62a17ae | 2758 | zebra_vni_t tmp_vni; |
2759 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2760 | |
2853fed6 | 2761 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2762 | assert(zvrf); | |
d62a17ae | 2763 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2764 | tmp_vni.vni = vni; | |
2765 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2766 | |
d62a17ae | 2767 | return zvni; |
2232a77c | 2768 | } |
2769 | ||
2770 | /* | |
2771 | * Add VNI hash entry. | |
2772 | */ | |
2853fed6 | 2773 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2774 | { |
2853fed6 | 2775 | struct zebra_vrf *zvrf; |
d62a17ae | 2776 | zebra_vni_t tmp_zvni; |
2777 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2778 | |
2853fed6 | 2779 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2780 | assert(zvrf); | |
d62a17ae | 2781 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2782 | tmp_zvni.vni = vni; | |
2783 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2784 | assert(zvni); | |
2232a77c | 2785 | |
d62a17ae | 2786 | /* Create hash table for MAC */ |
2787 | zvni->mac_table = | |
2788 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2789 | |
d62a17ae | 2790 | /* Create hash table for neighbors */ |
2791 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2792 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2793 | |
d62a17ae | 2794 | return zvni; |
2232a77c | 2795 | } |
2796 | ||
2797 | /* | |
2798 | * Delete VNI hash entry. | |
2799 | */ | |
2853fed6 | 2800 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2801 | { |
2853fed6 | 2802 | struct zebra_vrf *zvrf; |
d62a17ae | 2803 | zebra_vni_t *tmp_zvni; |
2232a77c | 2804 | |
2853fed6 | 2805 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2806 | assert(zvrf); | |
2807 | ||
d62a17ae | 2808 | zvni->vxlan_if = NULL; |
2232a77c | 2809 | |
d62a17ae | 2810 | /* Free the neighbor hash table. */ |
2811 | hash_free(zvni->neigh_table); | |
2812 | zvni->neigh_table = NULL; | |
2232a77c | 2813 | |
d62a17ae | 2814 | /* Free the MAC hash table. */ |
2815 | hash_free(zvni->mac_table); | |
2816 | zvni->mac_table = NULL; | |
2232a77c | 2817 | |
d62a17ae | 2818 | /* Free the VNI hash entry and allocated memory. */ |
2819 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2820 | if (tmp_zvni) | |
2821 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2822 | |
d62a17ae | 2823 | return 0; |
2232a77c | 2824 | } |
2825 | ||
2826 | /* | |
2827 | * Inform BGP about local VNI addition. | |
2828 | */ | |
2853fed6 | 2829 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2830 | { |
d62a17ae | 2831 | struct zserv *client; |
2832 | struct stream *s; | |
2232a77c | 2833 | |
21ccc0cf | 2834 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2835 | /* BGP may not be running. */ |
2836 | if (!client) | |
2837 | return 0; | |
2232a77c | 2838 | |
1002497a | 2839 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2840 | |
7cf15b25 | 2841 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2842 | stream_putl(s, zvni->vni); |
2843 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2844 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2845 | |
d62a17ae | 2846 | /* Write packet size. */ |
2847 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2848 | |
d62a17ae | 2849 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2850 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2851 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2852 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2853 | zebra_route_string(client->proto)); |
2232a77c | 2854 | |
d62a17ae | 2855 | client->vniadd_cnt++; |
21ccc0cf | 2856 | return zserv_send_message(client, s); |
2232a77c | 2857 | } |
2858 | ||
2859 | /* | |
2860 | * Inform BGP about local VNI deletion. | |
2861 | */ | |
2853fed6 | 2862 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2863 | { |
d62a17ae | 2864 | struct zserv *client; |
2865 | struct stream *s; | |
2232a77c | 2866 | |
21ccc0cf | 2867 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2868 | /* BGP may not be running. */ |
2869 | if (!client) | |
2870 | return 0; | |
2232a77c | 2871 | |
1002497a | 2872 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2873 | stream_reset(s); |
2232a77c | 2874 | |
7cf15b25 | 2875 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2876 | stream_putl(s, vni); |
2232a77c | 2877 | |
d62a17ae | 2878 | /* Write packet size. */ |
2879 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2880 | |
d62a17ae | 2881 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2882 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2883 | zebra_route_string(client->proto)); |
2232a77c | 2884 | |
d62a17ae | 2885 | client->vnidel_cnt++; |
21ccc0cf | 2886 | return zserv_send_message(client, s); |
2232a77c | 2887 | } |
2888 | ||
2889 | /* | |
2890 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2891 | * is called when EVPN (advertise-all-vni) is enabled. | |
2892 | */ | |
2853fed6 | 2893 | static void zvni_build_hash_table() |
2232a77c | 2894 | { |
2853fed6 | 2895 | struct zebra_ns *zns; |
2896 | struct route_node *rn; | |
d62a17ae | 2897 | struct interface *ifp; |
2232a77c | 2898 | |
d62a17ae | 2899 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2900 | zns = zebra_ns_lookup(NS_DEFAULT); |
2901 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2902 | vni_t vni; |
643215ce | 2903 | zebra_vni_t *zvni = NULL; |
2904 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2905 | struct zebra_if *zif; |
2906 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2907 | |
2853fed6 | 2908 | ifp = (struct interface *)rn->info; |
2909 | if (!ifp) | |
2910 | continue; | |
d62a17ae | 2911 | zif = ifp->info; |
2912 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2913 | continue; | |
2232a77c | 2914 | |
b7cfce93 | 2915 | vxl = &zif->l2info.vxl; |
d62a17ae | 2916 | vni = vxl->vni; |
2232a77c | 2917 | |
643215ce | 2918 | /* L3-VNI and L2-VNI are handled seperately */ |
2919 | zl3vni = zl3vni_lookup(vni); | |
2920 | if (zl3vni) { | |
2232a77c | 2921 | |
b7cfce93 | 2922 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2923 | zlog_debug( |
2924 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2925 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2926 | |
b7cfce93 | 2927 | /* associate with vxlan_if */ |
b67a60d2 | 2928 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2929 | zl3vni->vxlan_if = ifp; |
2232a77c | 2930 | |
523cafc4 | 2931 | /* |
2932 | * we need to associate with SVI. | |
b7cfce93 | 2933 | * we can associate with svi-if only after association |
523cafc4 | 2934 | * with vxlan-intf is complete |
2935 | */ | |
b7cfce93 MK |
2936 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2937 | ||
2938 | if (is_l3vni_oper_up(zl3vni)) | |
2939 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2940 | ||
2941 | } else { | |
b7cfce93 MK |
2942 | struct interface *vlan_if = NULL; |
2943 | ||
2944 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2945 | zlog_debug( | |
2946 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2947 | ifp->name, ifp->ifindex, vni, | |
2948 | inet_ntoa(vxl->vtep_ip)); | |
2949 | ||
2950 | /* VNI hash entry is not expected to exist. */ | |
2951 | zvni = zvni_lookup(vni); | |
2952 | if (zvni) { | |
43e52561 | 2953 | zlog_warn( |
b7cfce93 MK |
2954 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2955 | ifp->name, ifp->ifindex, vni); | |
2956 | continue; | |
2957 | } | |
2958 | ||
2959 | zvni = zvni_add(vni); | |
2960 | if (!zvni) { | |
43e52561 | 2961 | zlog_warn( |
b7cfce93 MK |
2962 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
2963 | ifp->name, ifp->ifindex, vni); | |
2964 | return; | |
2965 | } | |
2966 | ||
2967 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2968 | zvni->vxlan_if = ifp; | |
2969 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2970 | zif->brslave_info.br_if); | |
2971 | if (vlan_if) { | |
2972 | zvni->vrf_id = vlan_if->vrf_id; | |
2973 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2974 | if (zl3vni) | |
2975 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2976 | } | |
2977 | ||
2978 | ||
2979 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2980 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2981 | zvni_send_add_to_client(zvni); | |
2982 | } | |
d62a17ae | 2983 | } |
2232a77c | 2984 | } |
2985 | ||
2986 | /* | |
2987 | * See if remote VTEP matches with prefix. | |
2988 | */ | |
d62a17ae | 2989 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2990 | { |
d62a17ae | 2991 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2992 | } |
2993 | ||
2994 | /* | |
2995 | * Locate remote VTEP in VNI hash table. | |
2996 | */ | |
d62a17ae | 2997 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 2998 | { |
d62a17ae | 2999 | zebra_vtep_t *zvtep; |
2232a77c | 3000 | |
d62a17ae | 3001 | if (!zvni) |
3002 | return NULL; | |
2232a77c | 3003 | |
d62a17ae | 3004 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3005 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3006 | break; | |
3007 | } | |
2232a77c | 3008 | |
d62a17ae | 3009 | return zvtep; |
2232a77c | 3010 | } |
3011 | ||
3012 | /* | |
3013 | * Add remote VTEP to VNI hash table. | |
3014 | */ | |
d62a17ae | 3015 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3016 | { |
d62a17ae | 3017 | zebra_vtep_t *zvtep; |
2232a77c | 3018 | |
d62a17ae | 3019 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3020 | |
d62a17ae | 3021 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3022 | |
d62a17ae | 3023 | if (zvni->vteps) |
3024 | zvni->vteps->prev = zvtep; | |
3025 | zvtep->next = zvni->vteps; | |
3026 | zvni->vteps = zvtep; | |
2232a77c | 3027 | |
d62a17ae | 3028 | return zvtep; |
2232a77c | 3029 | } |
3030 | ||
3031 | /* | |
3032 | * Remove remote VTEP from VNI hash table. | |
3033 | */ | |
d62a17ae | 3034 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3035 | { |
d62a17ae | 3036 | if (zvtep->next) |
3037 | zvtep->next->prev = zvtep->prev; | |
3038 | if (zvtep->prev) | |
3039 | zvtep->prev->next = zvtep->next; | |
3040 | else | |
3041 | zvni->vteps = zvtep->next; | |
2232a77c | 3042 | |
d62a17ae | 3043 | zvtep->prev = zvtep->next = NULL; |
3044 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3045 | |
d62a17ae | 3046 | return 0; |
2232a77c | 3047 | } |
3048 | ||
3049 | /* | |
3050 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3051 | * uninstall from kernel if asked to. | |
3052 | */ | |
d62a17ae | 3053 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3054 | { |
d62a17ae | 3055 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3056 | |
d62a17ae | 3057 | if (!zvni) |
3058 | return -1; | |
2232a77c | 3059 | |
d62a17ae | 3060 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3061 | zvtep_next = zvtep->next; | |
3062 | if (uninstall) | |
3063 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3064 | zvni_vtep_del(zvni, zvtep); | |
3065 | } | |
2232a77c | 3066 | |
d62a17ae | 3067 | return 0; |
2232a77c | 3068 | } |
3069 | ||
3070 | /* | |
3071 | * Install remote VTEP into the kernel. | |
3072 | */ | |
d62a17ae | 3073 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3074 | { |
d62a17ae | 3075 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3076 | } |
3077 | ||
3078 | /* | |
3079 | * Uninstall remote VTEP from the kernel. | |
3080 | */ | |
d62a17ae | 3081 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3082 | { |
d62a17ae | 3083 | if (!zvni->vxlan_if) { |
43e52561 QY |
3084 | zlog_warn("VNI %u hash %p couldn't be uninstalled - no intf", |
3085 | zvni->vni, zvni); | |
d62a17ae | 3086 | return -1; |
3087 | } | |
2232a77c | 3088 | |
d62a17ae | 3089 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3090 | } |
3091 | ||
3092 | /* | |
3093 | * Cleanup VNI/VTEP and update kernel | |
3094 | */ | |
84915b0a | 3095 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3096 | { |
b7cfce93 MK |
3097 | zebra_vni_t *zvni = NULL; |
3098 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3099 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3100 | |
d62a17ae | 3101 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3102 | |
b7cfce93 | 3103 | /* remove from l3-vni list */ |
84915b0a | 3104 | if (zvrf->l3vni) |
3105 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3106 | if (zl3vni) |
3107 | listnode_delete(zl3vni->l2vnis, zvni); | |
3108 | ||
d62a17ae | 3109 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3110 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3111 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3112 | |
d62a17ae | 3113 | /* Free up all remote VTEPs, if any. */ |
3114 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3115 | |
d62a17ae | 3116 | /* Delete the hash entry. */ |
2853fed6 | 3117 | zvni_del(zvni); |
2232a77c | 3118 | } |
3119 | ||
655b04d1 | 3120 | /* cleanup L3VNI */ |
996c9314 | 3121 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3122 | { |
3123 | zebra_l3vni_t *zl3vni = NULL; | |
3124 | ||
3125 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3126 | |
3127 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3128 | } | |
3129 | ||
85442b09 | 3130 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3131 | struct prefix *host) |
5e1b0650 DS |
3132 | { |
3133 | struct host_rb_entry lookup; | |
3134 | struct host_rb_entry *hle; | |
3135 | ||
3136 | memset(&lookup, 0, sizeof(lookup)); | |
3137 | memcpy(&lookup.p, host, sizeof(*host)); | |
3138 | ||
85442b09 | 3139 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3140 | if (hle) |
3141 | return; | |
3142 | ||
3143 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3144 | memcpy(hle, &lookup, sizeof(lookup)); | |
3145 | ||
85442b09 | 3146 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3147 | } |
3148 | ||
85442b09 | 3149 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3150 | { |
3151 | struct host_rb_entry lookup; | |
3152 | struct host_rb_entry *hle; | |
3153 | ||
3154 | memset(&lookup, 0, sizeof(lookup)); | |
3155 | memcpy(&lookup.p, host, sizeof(*host)); | |
3156 | ||
85442b09 | 3157 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3158 | if (hle) { |
85442b09 | 3159 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3160 | XFREE(MTYPE_HOST_PREFIX, hle); |
3161 | } | |
5e1b0650 DS |
3162 | |
3163 | return; | |
3164 | } | |
3165 | ||
b7cfce93 MK |
3166 | /* |
3167 | * Look up MAC hash entry. | |
3168 | */ | |
2dbad57f | 3169 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3170 | struct ethaddr *rmac) |
3171 | { | |
3172 | zebra_mac_t tmp; | |
3173 | zebra_mac_t *pmac; | |
3174 | ||
3175 | memset(&tmp, 0, sizeof(tmp)); | |
3176 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3177 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3178 | |
b7cfce93 | 3179 | return pmac; |
2dbad57f | 3180 | } |
2232a77c | 3181 | |
cec2e17d | 3182 | /* |
b7cfce93 | 3183 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3184 | */ |
2dbad57f | 3185 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3186 | { |
b7cfce93 MK |
3187 | const zebra_mac_t *tmp_rmac = p; |
3188 | zebra_mac_t *zrmac; | |
d62a17ae | 3189 | |
b7cfce93 MK |
3190 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3191 | *zrmac = *tmp_rmac; | |
d62a17ae | 3192 | |
b7cfce93 | 3193 | return ((void *)zrmac); |
2dbad57f | 3194 | } |
cd233079 | 3195 | |
b7cfce93 MK |
3196 | /* |
3197 | * Add RMAC entry to l3-vni | |
3198 | */ | |
996c9314 | 3199 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3200 | { |
3201 | zebra_mac_t tmp_rmac; | |
3202 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3203 | |
b7cfce93 MK |
3204 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3205 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3206 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3207 | assert(zrmac); | |
d62a17ae | 3208 | |
85442b09 | 3209 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3210 | |
2dbad57f | 3211 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3212 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3213 | ||
b7cfce93 | 3214 | return zrmac; |
2dbad57f | 3215 | } |
cec2e17d | 3216 | |
3217 | /* | |
b7cfce93 | 3218 | * Delete MAC entry. |
cec2e17d | 3219 | */ |
996c9314 | 3220 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3221 | { |
b7cfce93 | 3222 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3223 | struct host_rb_entry *hle; |
cd233079 | 3224 | |
85442b09 DS |
3225 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3226 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3227 | |
85442b09 | 3228 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3229 | XFREE(MTYPE_HOST_PREFIX, hle); |
3230 | } | |
cd233079 | 3231 | |
b7cfce93 MK |
3232 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3233 | if (tmp_rmac) | |
3234 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3235 | |
b7cfce93 | 3236 | return 0; |
2dbad57f | 3237 | } |
cec2e17d | 3238 | |
3239 | /* | |
b7cfce93 | 3240 | * Install remote RMAC into the kernel. |
cec2e17d | 3241 | */ |
996c9314 | 3242 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3243 | { |
b7cfce93 MK |
3244 | struct zebra_if *zif = NULL; |
3245 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3246 | |
996c9314 LB |
3247 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3248 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3249 | return 0; |
3250 | ||
3251 | zif = zl3vni->vxlan_if->info; | |
3252 | if (!zif) | |
3253 | return -1; | |
3254 | ||
3255 | vxl = &zif->l2info.vxl; | |
3256 | ||
3257 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3258 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3259 | } |
b7cfce93 MK |
3260 | |
3261 | /* | |
3262 | * Uninstall remote RMAC from the kernel. | |
3263 | */ | |
996c9314 | 3264 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3265 | { |
3266 | char buf[ETHER_ADDR_STRLEN]; | |
3267 | struct zebra_if *zif = NULL; | |
3268 | struct zebra_l2info_vxlan *vxl = NULL; | |
3269 | ||
996c9314 LB |
3270 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3271 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3272 | return 0; |
3273 | ||
3274 | if (!zl3vni->vxlan_if) { | |
43e52561 | 3275 | zlog_warn( |
996c9314 LB |
3276 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3277 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3278 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3279 | return -1; |
3280 | } | |
3281 | ||
3282 | zif = zl3vni->vxlan_if->info; | |
3283 | if (!zif) | |
3284 | return -1; | |
3285 | ||
3286 | vxl = &zif->l2info.vxl; | |
3287 | ||
3288 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3289 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3290 | } |
3291 | ||
3292 | /* handle rmac add */ | |
996c9314 | 3293 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3294 | struct ipaddr *vtep_ip, |
3295 | struct prefix *host_prefix) | |
2dbad57f | 3296 | { |
3297 | char buf[ETHER_ADDR_STRLEN]; | |
3298 | char buf1[INET6_ADDRSTRLEN]; | |
3299 | zebra_mac_t *zrmac = NULL; | |
3300 | ||
3301 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3302 | if (!zrmac) { | |
3303 | ||
3304 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3305 | if (!zrmac) { | |
3306 | zlog_warn( | |
3307 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", | |
996c9314 LB |
3308 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3309 | zl3vni->vni, | |
3310 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3311 | return -1; |
3312 | } | |
3313 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3314 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3315 | ||
3316 | /* install rmac in kernel */ | |
3317 | zl3vni_rmac_install(zl3vni, zrmac); | |
3318 | } | |
6134fd82 | 3319 | |
41db76c2 | 3320 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3321 | |
2dbad57f | 3322 | return 0; |
3323 | } | |
3324 | ||
3325 | ||
3326 | /* handle rmac delete */ | |
22e63104 | 3327 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3328 | struct prefix *host_prefix) |
2dbad57f | 3329 | { |
41db76c2 | 3330 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3331 | |
85442b09 | 3332 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3333 | /* uninstall from kernel */ |
3334 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3335 | ||
3336 | /* del the rmac entry */ | |
3337 | zl3vni_rmac_del(zl3vni, zrmac); | |
3338 | } | |
2dbad57f | 3339 | } |
b7cfce93 MK |
3340 | |
3341 | /* | |
3342 | * Look up nh hash entry on a l3-vni. | |
3343 | */ | |
996c9314 | 3344 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3345 | { |
3346 | zebra_neigh_t tmp; | |
3347 | zebra_neigh_t *n; | |
3348 | ||
3349 | memset(&tmp, 0, sizeof(tmp)); | |
3350 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3351 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3352 | ||
3353 | return n; | |
2dbad57f | 3354 | } |
b7cfce93 MK |
3355 | |
3356 | ||
3357 | /* | |
3358 | * Callback to allocate NH hash entry on L3-VNI. | |
3359 | */ | |
2dbad57f | 3360 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3361 | { |
3362 | const zebra_neigh_t *tmp_n = p; | |
3363 | zebra_neigh_t *n; | |
3364 | ||
3365 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3366 | *n = *tmp_n; | |
3367 | ||
3368 | return ((void *)n); | |
2dbad57f | 3369 | } |
b7cfce93 MK |
3370 | |
3371 | /* | |
3372 | * Add neighbor entry. | |
3373 | */ | |
996c9314 | 3374 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3375 | struct ethaddr *mac) |
3376 | { | |
3377 | zebra_neigh_t tmp_n; | |
3378 | zebra_neigh_t *n = NULL; | |
3379 | ||
3380 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3381 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3382 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3383 | assert(n); | |
3384 | ||
85442b09 | 3385 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3386 | |
b7cfce93 | 3387 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3388 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3389 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3390 | |
3391 | return n; | |
2dbad57f | 3392 | } |
b7cfce93 MK |
3393 | |
3394 | /* | |
3395 | * Delete neighbor entry. | |
3396 | */ | |
996c9314 | 3397 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3398 | { |
3399 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3400 | struct host_rb_entry *hle; |
b7cfce93 | 3401 | |
85442b09 DS |
3402 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3403 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3404 | |
85442b09 | 3405 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3406 | XFREE(MTYPE_HOST_PREFIX, hle); |
3407 | } | |
55aabf6f | 3408 | |
b7cfce93 MK |
3409 | tmp_n = hash_release(zl3vni->nh_table, n); |
3410 | if (tmp_n) | |
3411 | XFREE(MTYPE_NEIGH, tmp_n); | |
3412 | ||
3413 | return 0; | |
2dbad57f | 3414 | } |
b7cfce93 MK |
3415 | |
3416 | /* | |
3417 | * Install remote nh as neigh into the kernel. | |
3418 | */ | |
996c9314 | 3419 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3420 | { |
f7dae312 | 3421 | #ifdef GNU_LINUX |
68e33151 | 3422 | uint8_t flags; |
f7dae312 | 3423 | #endif |
68e33151 CS |
3424 | int ret = 0; |
3425 | ||
b7cfce93 MK |
3426 | if (!is_l3vni_oper_up(zl3vni)) |
3427 | return -1; | |
3428 | ||
996c9314 LB |
3429 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3430 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3431 | return 0; |
68e33151 CS |
3432 | #ifdef GNU_LINUX |
3433 | flags = NTF_EXT_LEARNED; | |
3434 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3435 | flags |= NTF_ROUTER; | |
3436 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3437 | #endif | |
3438 | return ret; | |
2dbad57f | 3439 | } |
b7cfce93 MK |
3440 | |
3441 | /* | |
3442 | * Uninstall remote nh from the kernel. | |
3443 | */ | |
996c9314 | 3444 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3445 | { |
996c9314 LB |
3446 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3447 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3448 | return 0; |
3449 | ||
fa409e1e | 3450 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3451 | return 0; | |
3452 | ||
b7cfce93 | 3453 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3454 | } |
3455 | ||
3456 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3457 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3458 | struct ethaddr *rmac, |
3459 | struct prefix *host_prefix) | |
2dbad57f | 3460 | { |
3461 | char buf[ETHER_ADDR_STRLEN]; | |
3462 | char buf1[INET6_ADDRSTRLEN]; | |
3463 | zebra_neigh_t *nh = NULL; | |
3464 | ||
3465 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3466 | if (!nh) { | |
3467 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3468 | if (!nh) { | |
3469 | ||
3470 | zlog_warn( | |
3471 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", | |
996c9314 LB |
3472 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3473 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3474 | zl3vni->vni); |
3475 | return -1; | |
3476 | } | |
3477 | ||
3478 | /* install the nh neigh in kernel */ | |
3479 | zl3vni_nh_install(zl3vni, nh); | |
3480 | } | |
6134fd82 | 3481 | |
f2a503f0 | 3482 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3483 | |
2dbad57f | 3484 | return 0; |
3485 | } | |
3486 | ||
3487 | /* handle nh neigh delete */ | |
22e63104 | 3488 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3489 | struct prefix *host_prefix) | |
2dbad57f | 3490 | { |
f2a503f0 | 3491 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3492 | |
85442b09 | 3493 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3494 | /* uninstall from kernel */ |
3495 | zl3vni_nh_uninstall(zl3vni, nh); | |
3496 | ||
3497 | /* delete the nh entry */ | |
3498 | zl3vni_nh_del(zl3vni, nh); | |
3499 | } | |
2dbad57f | 3500 | } |
b7cfce93 | 3501 | |
3bcbba10 | 3502 | /* handle neigh update from kernel - the only thing of interest is to |
3503 | * readd stale entries. | |
3504 | */ | |
996c9314 | 3505 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3506 | uint16_t state) |
3bcbba10 | 3507 | { |
c05a738b | 3508 | #ifdef GNU_LINUX |
3bcbba10 | 3509 | zebra_neigh_t *n = NULL; |
3510 | ||
3511 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3512 | if (!n) | |
3513 | return 0; | |
3514 | ||
3515 | /* all next hop neigh are remote and installed by frr. | |
3516 | * If the kernel has aged this entry, re-install. | |
3517 | */ | |
3518 | if (state & NUD_STALE) | |
3519 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3520 | #endif |
3bcbba10 | 3521 | return 0; |
3522 | } | |
3523 | ||
8c9b80b9 | 3524 | /* handle neigh delete from kernel */ |
996c9314 | 3525 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3526 | { |
3527 | zebra_neigh_t *n = NULL; | |
3528 | ||
3529 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3530 | if (!n) | |
3531 | return 0; | |
3532 | ||
3533 | /* all next hop neigh are remote and installed by frr. | |
3534 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3535 | * install it back |
3536 | */ | |
8c9b80b9 MK |
3537 | zl3vni_nh_install(zl3vni, n); |
3538 | ||
3539 | return 0; | |
3540 | } | |
3541 | ||
b7cfce93 MK |
3542 | /* |
3543 | * Hash function for L3 VNI. | |
3544 | */ | |
3545 | static unsigned int l3vni_hash_keymake(void *p) | |
3546 | { | |
3547 | const zebra_l3vni_t *zl3vni = p; | |
3548 | ||
3549 | return jhash_1word(zl3vni->vni, 0); | |
3550 | } | |
3551 | ||
3552 | /* | |
3553 | * Compare 2 L3 VNI hash entries. | |
3554 | */ | |
3555 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3556 | { | |
3557 | const zebra_l3vni_t *zl3vni1 = p1; | |
3558 | const zebra_l3vni_t *zl3vni2 = p2; | |
3559 | ||
3560 | return (zl3vni1->vni == zl3vni2->vni); | |
3561 | } | |
3562 | ||
3563 | /* | |
3564 | * Callback to allocate L3 VNI hash entry. | |
3565 | */ | |
3566 | static void *zl3vni_alloc(void *p) | |
3567 | { | |
3568 | zebra_l3vni_t *zl3vni = NULL; | |
3569 | const zebra_l3vni_t *tmp_l3vni = p; | |
3570 | ||
3571 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3572 | zl3vni->vni = tmp_l3vni->vni; | |
3573 | return ((void *)zl3vni); | |
3574 | } | |
3575 | ||
3576 | /* | |
3577 | * Look up L3 VNI hash entry. | |
3578 | */ | |
3579 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3580 | { | |
3581 | struct zebra_ns *zns; | |
3582 | zebra_l3vni_t tmp_l3vni; | |
3583 | zebra_l3vni_t *zl3vni = NULL; | |
3584 | ||
3585 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3586 | assert(zns); | |
3587 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3588 | tmp_l3vni.vni = vni; | |
3589 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3590 | ||
3591 | return zl3vni; | |
3592 | } | |
3593 | ||
3594 | /* | |
3595 | * Add L3 VNI hash entry. | |
3596 | */ | |
3597 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3598 | { | |
3599 | zebra_l3vni_t tmp_zl3vni; | |
3600 | struct zebra_ns *zns = NULL; | |
3601 | zebra_l3vni_t *zl3vni = NULL; | |
3602 | ||
3603 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3604 | assert(zns); | |
3605 | ||
3606 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3607 | tmp_zl3vni.vni = vni; | |
3608 | ||
3609 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3610 | assert(zl3vni); | |
3611 | ||
3612 | zl3vni->vrf_id = vrf_id; | |
3613 | zl3vni->svi_if = NULL; | |
3614 | zl3vni->vxlan_if = NULL; | |
3615 | zl3vni->l2vnis = list_new(); | |
3616 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3617 | ||
3618 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3619 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3620 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3621 | |
3622 | /* Create hash table for neighbors */ | |
3623 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3624 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3625 | |
3626 | return zl3vni; | |
3627 | } | |
3628 | ||
3629 | /* | |
3630 | * Delete L3 VNI hash entry. | |
3631 | */ | |
3632 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3633 | { | |
3634 | struct zebra_ns *zns; | |
3635 | zebra_l3vni_t *tmp_zl3vni; | |
3636 | ||
3637 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3638 | assert(zns); | |
3639 | ||
3640 | /* free the list of l2vnis */ | |
3641 | list_delete_and_null(&zl3vni->l2vnis); | |
3642 | zl3vni->l2vnis = NULL; | |
3643 | ||
3644 | /* Free the rmac table */ | |
3645 | hash_free(zl3vni->rmac_table); | |
3646 | zl3vni->rmac_table = NULL; | |
3647 | ||
3648 | /* Free the nh table */ | |
3649 | hash_free(zl3vni->nh_table); | |
3650 | zl3vni->nh_table = NULL; | |
3651 | ||
3652 | /* Free the VNI hash entry and allocated memory. */ | |
3653 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3654 | if (tmp_zl3vni) | |
3655 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3656 | ||
3657 | return 0; | |
3658 | } | |
3659 | ||
b7cfce93 MK |
3660 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3661 | { | |
3662 | struct zebra_ns *zns = NULL; | |
3663 | struct route_node *rn = NULL; | |
3664 | struct interface *ifp = NULL; | |
3665 | ||
3666 | /* loop through all vxlan-interface */ | |
3667 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3668 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3669 | ||
3670 | struct zebra_if *zif = NULL; | |
3671 | struct zebra_l2info_vxlan *vxl = NULL; | |
3672 | ||
3673 | ifp = (struct interface *)rn->info; | |
3674 | if (!ifp) | |
3675 | continue; | |
3676 | ||
3677 | zif = ifp->info; | |
3678 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3679 | continue; | |
3680 | ||
3681 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3682 | if (vxl->vni == zl3vni->vni) { |
3683 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3684 | return ifp; |
b67a60d2 | 3685 | } |
b7cfce93 MK |
3686 | } |
3687 | ||
3688 | return NULL; | |
3689 | } | |
3690 | ||
3691 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3692 | { | |
996c9314 | 3693 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3694 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3695 | ||
2aeb403d | 3696 | if (!zl3vni) |
3697 | return NULL; | |
3698 | ||
b7cfce93 MK |
3699 | if (!zl3vni->vxlan_if) |
3700 | return NULL; | |
3701 | ||
3702 | zif = zl3vni->vxlan_if->info; | |
3703 | if (!zif) | |
3704 | return NULL; | |
3705 | ||
3706 | vxl = &zif->l2info.vxl; | |
3707 | ||
3708 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3709 | } | |
3710 | ||
3711 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3712 | { | |
3713 | struct zebra_vrf *zvrf = NULL; | |
3714 | ||
3715 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3716 | if (!zvrf) | |
3717 | return NULL; | |
3718 | ||
3719 | return zl3vni_lookup(zvrf->l3vni); | |
3720 | } | |
3721 | ||
3722 | /* | |
3723 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3724 | * neighbor notifications, to see if they are of interest. | |
3725 | */ | |
3726 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3727 | struct interface *br_if) | |
3728 | { | |
3729 | int found = 0; | |
3730 | vlanid_t vid = 0; | |
d7c0a89a | 3731 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3732 | zebra_l3vni_t *zl3vni = NULL; |
3733 | struct zebra_ns *zns = NULL; | |
3734 | struct route_node *rn = NULL; | |
3735 | struct zebra_if *zif = NULL; | |
3736 | struct interface *tmp_if = NULL; | |
3737 | struct zebra_l2info_bridge *br = NULL; | |
3738 | struct zebra_l2info_vxlan *vxl = NULL; | |
3739 | ||
3740 | if (!br_if) | |
3741 | return NULL; | |
3742 | ||
3743 | /* Make sure the linked interface is a bridge. */ | |
3744 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3745 | return NULL; | |
3746 | ||
3747 | /* Determine if bridge is VLAN-aware or not */ | |
3748 | zif = br_if->info; | |
3749 | assert(zif); | |
3750 | br = &zif->l2info.br; | |
3751 | bridge_vlan_aware = br->vlan_aware; | |
3752 | if (bridge_vlan_aware) { | |
3753 | struct zebra_l2info_vlan *vl; | |
3754 | ||
3755 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3756 | return NULL; | |
3757 | ||
3758 | zif = ifp->info; | |
3759 | assert(zif); | |
3760 | vl = &zif->l2info.vl; | |
3761 | vid = vl->vid; | |
3762 | } | |
3763 | ||
3764 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3765 | /* TODO: Optimize with a hash. */ | |
3766 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3767 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3768 | tmp_if = (struct interface *)rn->info; | |
3769 | if (!tmp_if) | |
3770 | continue; | |
3771 | zif = tmp_if->info; | |
3772 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3773 | continue; | |
3774 | if (!if_is_operative(tmp_if)) | |
3775 | continue; | |
3776 | vxl = &zif->l2info.vxl; | |
3777 | ||
3778 | if (zif->brslave_info.br_if != br_if) | |
3779 | continue; | |
3780 | ||
3781 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3782 | found = 1; | |
3783 | break; | |
3784 | } | |
3785 | } | |
3786 | ||
3787 | if (!found) | |
3788 | return NULL; | |
3789 | ||
3790 | zl3vni = zl3vni_lookup(vxl->vni); | |
3791 | return zl3vni; | |
3792 | } | |
3793 | ||
3794 | /* | |
3795 | * Inform BGP about l3-vni. | |
3796 | */ | |
3797 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3798 | { | |
3799 | struct stream *s = NULL; | |
3800 | struct zserv *client = NULL; | |
3801 | struct ethaddr rmac; | |
3802 | char buf[ETHER_ADDR_STRLEN]; | |
3803 | ||
21ccc0cf | 3804 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3805 | /* BGP may not be running. */ |
3806 | if (!client) | |
3807 | return 0; | |
3808 | ||
3809 | /* get the rmac */ | |
3810 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3811 | zl3vni_get_rmac(zl3vni, &rmac); | |
3812 | ||
1002497a | 3813 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3814 | |
996c9314 | 3815 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3816 | stream_putl(s, zl3vni->vni); |
3817 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3818 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3819 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3820 | |
3821 | /* Write packet size. */ | |
3822 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3823 | ||
3824 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3825 | zlog_debug( |
996c9314 LB |
3826 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3827 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3828 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3829 | inet_ntoa(zl3vni->local_vtep_ip), | |
3830 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3831 | ? "prefix-routes-only" | |
3832 | : "none", | |
3833 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3834 | |
3835 | client->l3vniadd_cnt++; | |
21ccc0cf | 3836 | return zserv_send_message(client, s); |
b7cfce93 MK |
3837 | } |
3838 | ||
3839 | /* | |
3840 | * Inform BGP about local l3-VNI deletion. | |
3841 | */ | |
3842 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3843 | { | |
3844 | struct stream *s = NULL; | |
3845 | struct zserv *client = NULL; | |
3846 | ||
21ccc0cf | 3847 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3848 | /* BGP may not be running. */ |
3849 | if (!client) | |
3850 | return 0; | |
3851 | ||
1002497a | 3852 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3853 | |
996c9314 | 3854 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3855 | stream_putl(s, zl3vni->vni); |
3856 | ||
3857 | /* Write packet size. */ | |
3858 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3859 | ||
3860 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3861 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3862 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3863 | zebra_route_string(client->proto)); | |
3864 | ||
3865 | client->l3vnidel_cnt++; | |
21ccc0cf | 3866 | return zserv_send_message(client, s); |
b7cfce93 MK |
3867 | } |
3868 | ||
3869 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3870 | { | |
2aeb403d | 3871 | if (!zl3vni) |
3872 | return; | |
3873 | ||
b7cfce93 MK |
3874 | /* send l3vni add to BGP */ |
3875 | zl3vni_send_add_to_client(zl3vni); | |
3876 | } | |
3877 | ||
3878 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3879 | { | |
2aeb403d | 3880 | if (!zl3vni) |
3881 | return; | |
3882 | ||
b7cfce93 MK |
3883 | /* send l3-vni del to BGP*/ |
3884 | zl3vni_send_del_to_client(zl3vni); | |
3885 | } | |
3886 | ||
996c9314 | 3887 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3888 | { |
996c9314 LB |
3889 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3890 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3891 | |
3892 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3893 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3894 | } | |
3895 | ||
b7cfce93 MK |
3896 | /* |
3897 | * handle transition of vni from l2 to l3 and vice versa | |
3898 | */ | |
996c9314 LB |
3899 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3900 | int add) | |
b7cfce93 MK |
3901 | { |
3902 | zebra_vni_t *zvni = NULL; | |
3903 | ||
3904 | /* There is a possibility that VNI notification was already received | |
3905 | * from kernel and we programmed it as L2-VNI | |
3906 | * In such a case we need to delete this L2-VNI first, so | |
3907 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3908 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3909 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3910 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3911 | */ | |
b7cfce93 MK |
3912 | if (add) { |
3913 | /* Locate hash entry */ | |
3914 | zvni = zvni_lookup(vni); | |
3915 | if (!zvni) | |
3916 | return 0; | |
3917 | ||
3918 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3919 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3920 | |
3921 | /* Delete VNI from BGP. */ | |
3922 | zvni_send_del_to_client(zvni->vni); | |
3923 | ||
3924 | /* Free up all neighbors and MAC, if any. */ | |
3925 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3926 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3927 | ||
3928 | /* Free up all remote VTEPs, if any. */ | |
3929 | zvni_vtep_del_all(zvni, 0); | |
3930 | ||
3931 | /* Delete the hash entry. */ | |
3932 | if (zvni_del(zvni)) { | |
af4c2728 | 3933 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
3934 | "Failed to del VNI hash %p, VNI %u", zvni, |
3935 | zvni->vni); | |
b7cfce93 MK |
3936 | return -1; |
3937 | } | |
3938 | } else { | |
3939 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3940 | * enough information at this point to reprogram the vni as | |
3941 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3942 | * used it solely for this purpose |
3943 | */ | |
b7cfce93 MK |
3944 | } |
3945 | ||
3946 | return 0; | |
3947 | } | |
3948 | ||
5e06422c | 3949 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3950 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3951 | { |
3952 | zebra_mac_t *zrmac = NULL; | |
3953 | zebra_l3vni_t *zl3vni = NULL; | |
3954 | ||
3955 | zrmac = (zebra_mac_t *)backet->data; | |
3956 | zl3vni = (zebra_l3vni_t *)ctx; | |
3957 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3958 | zl3vni_rmac_del(zl3vni, zrmac); | |
3959 | } | |
3960 | ||
3961 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3962 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3963 | { |
3964 | zebra_neigh_t *n = NULL; | |
3965 | zebra_l3vni_t *zl3vni = NULL; | |
3966 | ||
3967 | n = (zebra_neigh_t *)backet->data; | |
3968 | zl3vni = (zebra_l3vni_t *)ctx; | |
3969 | zl3vni_nh_uninstall(zl3vni, n); | |
3970 | zl3vni_nh_del(zl3vni, n); | |
3971 | } | |
3972 | ||
996c9314 LB |
3973 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3974 | uint16_t cmd) | |
31310b25 MK |
3975 | { |
3976 | struct zserv *client = NULL; | |
3977 | struct stream *s = NULL; | |
3978 | char buf[PREFIX_STRLEN]; | |
3979 | ||
21ccc0cf | 3980 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3981 | /* BGP may not be running. */ |
3982 | if (!client) | |
3983 | return 0; | |
3984 | ||
1002497a | 3985 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 3986 | |
22bd3e94 | 3987 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3988 | stream_put(s, p, sizeof(struct prefix)); |
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 ip prefix %s %s on vrf %s", |
31310b25 MK |
3995 | prefix2str(p, buf, sizeof(buf)), |
3996 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
3997 | vrf_id_to_name(vrf_id)); | |
3998 | ||
3999 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4000 | client->prefixadd_cnt++; | |
4001 | else | |
4002 | client->prefixdel_cnt++; | |
4003 | ||
21ccc0cf | 4004 | return zserv_send_message(client, s); |
31310b25 MK |
4005 | } |
4006 | ||
a9a76262 MK |
4007 | /* re-add remote rmac if needed */ |
4008 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4009 | struct ethaddr *rmac) |
a9a76262 MK |
4010 | { |
4011 | char buf[ETHER_ADDR_STRLEN]; | |
4012 | zebra_mac_t *zrmac = NULL; | |
4013 | ||
4014 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4015 | if (!zrmac) | |
4016 | return 0; | |
4017 | ||
4018 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4019 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4020 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4021 | |
4022 | zl3vni_rmac_install(zl3vni, zrmac); | |
4023 | return 0; | |
4024 | } | |
4025 | ||
f07e1c99 | 4026 | /* Process a remote MACIP add from BGP. */ |
4027 | static void process_remote_macip_add(vni_t vni, | |
4028 | struct ethaddr *macaddr, | |
9df2b997 | 4029 | uint16_t ipa_len, |
f07e1c99 | 4030 | struct ipaddr *ipaddr, |
9df2b997 | 4031 | uint8_t flags, |
f07e1c99 | 4032 | uint32_t seq, |
4033 | struct in_addr vtep_ip) | |
c48d9f5f | 4034 | { |
f07e1c99 | 4035 | zebra_vni_t *zvni; |
4036 | zebra_vtep_t *zvtep; | |
4037 | zebra_mac_t *mac, *old_mac; | |
4038 | zebra_neigh_t *n = NULL; | |
4039 | int update_mac = 0, update_neigh = 0; | |
4040 | char buf[ETHER_ADDR_STRLEN]; | |
4041 | char buf1[INET6_ADDRSTRLEN]; | |
4042 | struct interface *ifp = NULL; | |
4043 | struct zebra_if *zif = NULL; | |
4044 | uint32_t tmp_seq; | |
9df2b997 | 4045 | uint8_t sticky = 0; |
bf437f90 | 4046 | uint8_t remote_gw = 0; |
f190902f | 4047 | uint8_t router_flag = 0; |
c48d9f5f | 4048 | |
f07e1c99 | 4049 | /* Locate VNI hash entry - expected to exist. */ |
4050 | zvni = zvni_lookup(vni); | |
4051 | if (!zvni) { | |
4052 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4053 | return; | |
4054 | } | |
2dbad57f | 4055 | |
f07e1c99 | 4056 | ifp = zvni->vxlan_if; |
4057 | if (ifp) | |
4058 | zif = ifp->info; | |
4059 | if (!ifp || | |
4060 | !if_is_operative(ifp) || | |
4061 | !zif || | |
4062 | !zif->brslave_info.br_if) { | |
4063 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4064 | vni); | |
2dbad57f | 4065 | return; |
f07e1c99 | 4066 | } |
2dbad57f | 4067 | |
f07e1c99 | 4068 | /* The remote VTEP specified should normally exist, but it is |
4069 | * possible that when peering comes up, peer may advertise MACIP | |
4070 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4071 | */ |
f07e1c99 | 4072 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4073 | if (!zvtep) { | |
4074 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4075 | flog_err( | |
4076 | ZEBRA_ERR_VTEP_ADD_FAILED, | |
4077 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", | |
4078 | vni, zvni); | |
4079 | return; | |
4080 | } | |
2dbad57f | 4081 | |
f07e1c99 | 4082 | zvni_vtep_install(zvni, &vtep_ip); |
4083 | } | |
f50dc5e6 | 4084 | |
f07e1c99 | 4085 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4086 | remote_gw = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
f190902f | 4087 | router_flag = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); |
2dbad57f | 4088 | |
f07e1c99 | 4089 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4090 | |
f07e1c99 | 4091 | /* Ignore if the mac is already present as a gateway mac */ |
4092 | if (mac && | |
4093 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4094 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4095 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4096 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4097 | vni, | |
4098 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4099 | ipa_len ? " IP " : "", | |
4100 | ipa_len ? | |
4101 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4102 | return; |
f07e1c99 | 4103 | } |
2dbad57f | 4104 | |
f07e1c99 | 4105 | /* check if the remote MAC is unknown or has a change. |
4106 | * If so, that needs to be updated first. Note that client could | |
4107 | * install MAC and MACIP separately or just install the latter. | |
4108 | */ | |
4109 | if (!mac | |
4110 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
4111 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) != sticky | |
4112 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) ? 1 : 0) | |
4113 | != remote_gw | |
4114 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) | |
4115 | || seq != mac->rem_seq) | |
4116 | update_mac = 1; | |
4117 | ||
4118 | if (update_mac) { | |
4119 | if (!mac) { | |
4120 | mac = zvni_mac_add(zvni, macaddr); | |
4121 | if (!mac) { | |
4122 | zlog_warn( | |
4123 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4124 | prefix_mac2str(macaddr, buf, | |
4125 | sizeof(buf)), | |
4126 | vni, inet_ntoa(vtep_ip)); | |
4127 | return; | |
4128 | } | |
4129 | ||
4130 | /* Is this MAC created for a MACIP? */ | |
4131 | if (ipa_len) | |
4132 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4133 | } else { | |
4134 | const char *mac_type; | |
4135 | ||
4136 | /* When host moves but changes its (MAC,IP) | |
4137 | * binding, BGP may install a MACIP entry that | |
4138 | * corresponds to "older" location of the host | |
4139 | * in transient situations (because {IP1,M1} | |
4140 | * is a different route from {IP1,M2}). Check | |
4141 | * the sequence number and ignore this update | |
4142 | * if appropriate. | |
4143 | */ | |
4144 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4145 | tmp_seq = mac->loc_seq; | |
4146 | mac_type = "local"; | |
4147 | } else { | |
4148 | tmp_seq = mac->rem_seq; | |
4149 | mac_type = "remote"; | |
4150 | } | |
4151 | if (seq < tmp_seq) { | |
4152 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4153 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4154 | vni, | |
4155 | prefix_mac2str(macaddr, | |
4156 | buf, sizeof(buf)), | |
4157 | ipa_len ? " IP " : "", | |
4158 | ipa_len ? | |
4159 | ipaddr2str(ipaddr, | |
4160 | buf1, sizeof(buf1)) : "", | |
4161 | mac_type, | |
4162 | tmp_seq); | |
4163 | return; | |
4164 | } | |
4165 | } | |
4166 | ||
4167 | /* Set "auto" and "remote" forwarding info. */ | |
4168 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4169 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4170 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4171 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4172 | ||
4173 | if (sticky) | |
4174 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4175 | else | |
4176 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4177 | ||
4178 | if (remote_gw) | |
4179 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4180 | else | |
4181 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4182 | ||
4183 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
4184 | ||
4185 | /* Install the entry. */ | |
4186 | zvni_mac_install(zvni, mac); | |
4187 | } | |
4188 | ||
4189 | /* Update seq number. */ | |
4190 | mac->rem_seq = seq; | |
4191 | ||
4192 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4193 | if (!ipa_len) { | |
4194 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4195 | return; | |
4196 | } | |
4197 | ||
4198 | /* Check if the remote neighbor itself is unknown or has a | |
4199 | * change. If so, create or update and then install the entry. | |
4200 | */ | |
4201 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4202 | if (!n | |
4203 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4204 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) | |
4205 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
f190902f | 4206 | || ((CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) ? 1 : 0) |
4207 | != router_flag) | |
f07e1c99 | 4208 | || seq != n->rem_seq) |
4209 | update_neigh = 1; | |
4210 | ||
4211 | if (update_neigh) { | |
4212 | if (!n) { | |
4213 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4214 | if (!n) { | |
4215 | zlog_warn( | |
4216 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4217 | ipaddr2str(ipaddr, buf1, | |
4218 | sizeof(buf1)), | |
4219 | prefix_mac2str(macaddr, buf, | |
4220 | sizeof(buf)), | |
4221 | vni, inet_ntoa(vtep_ip)); | |
4222 | return; | |
4223 | } | |
4224 | ||
4225 | } else { | |
4226 | const char *n_type; | |
4227 | ||
4228 | /* When host moves but changes its (MAC,IP) | |
4229 | * binding, BGP may install a MACIP entry that | |
4230 | * corresponds to "older" location of the host | |
4231 | * in transient situations (because {IP1,M1} | |
4232 | * is a different route from {IP1,M2}). Check | |
4233 | * the sequence number and ignore this update | |
4234 | * if appropriate. | |
4235 | */ | |
4236 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4237 | tmp_seq = n->loc_seq; | |
4238 | n_type = "local"; | |
4239 | } else { | |
4240 | tmp_seq = n->rem_seq; | |
4241 | n_type = "remote"; | |
4242 | } | |
4243 | if (seq < tmp_seq) { | |
4244 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4245 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4246 | vni, | |
4247 | prefix_mac2str(macaddr, | |
4248 | buf, sizeof(buf)), | |
4249 | ipa_len ? " IP " : "", | |
4250 | ipa_len ? | |
4251 | ipaddr2str(ipaddr, | |
4252 | buf1, sizeof(buf1)) : "", | |
4253 | n_type, | |
4254 | tmp_seq); | |
4255 | return; | |
4256 | } | |
4257 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4258 | /* MAC change, send a delete for old | |
4259 | * neigh if learnt locally. | |
4260 | */ | |
4261 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4262 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4263 | zvni_neigh_send_del_to_client( | |
4264 | zvni->vni, &n->ip, | |
4265 | &n->emac, 0); | |
4266 | ||
4267 | /* update neigh list for macs */ | |
4268 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4269 | if (old_mac) { | |
4270 | listnode_delete(old_mac->neigh_list, n); | |
4271 | zvni_deref_ip2mac(zvni, old_mac, 1); | |
4272 | } | |
4273 | listnode_add_sort(mac->neigh_list, n); | |
4274 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4275 | } | |
4276 | } | |
4277 | ||
4278 | /* Set "remote" forwarding info. */ | |
4279 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4280 | n->r_vtep_ip = vtep_ip; | |
4281 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4282 | ||
4283 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4284 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4285 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4286 | else |
4287 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4288 | |
4289 | /* Install the entry. */ | |
4290 | zvni_neigh_install(zvni, n); | |
4291 | } | |
4292 | ||
4293 | /* Update seq number. */ | |
4294 | n->rem_seq = seq; | |
4295 | } | |
4296 | ||
4297 | /* Process a remote MACIP delete from BGP. */ | |
4298 | static void process_remote_macip_del(vni_t vni, | |
4299 | struct ethaddr *macaddr, | |
9df2b997 | 4300 | uint16_t ipa_len, |
f07e1c99 | 4301 | struct ipaddr *ipaddr, |
4302 | struct in_addr vtep_ip) | |
4303 | { | |
4304 | zebra_vni_t *zvni; | |
4305 | zebra_mac_t *mac = NULL; | |
4306 | zebra_neigh_t *n = NULL; | |
4307 | struct interface *ifp = NULL; | |
4308 | struct zebra_if *zif = NULL; | |
4309 | char buf[ETHER_ADDR_STRLEN]; | |
4310 | char buf1[INET6_ADDRSTRLEN]; | |
4311 | ||
4312 | /* Locate VNI hash entry - expected to exist. */ | |
4313 | zvni = zvni_lookup(vni); | |
4314 | if (!zvni) { | |
4315 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4316 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4317 | return; | |
4318 | } | |
4319 | ||
4320 | ifp = zvni->vxlan_if; | |
4321 | if (ifp) | |
4322 | zif = ifp->info; | |
4323 | if (!ifp || | |
4324 | !if_is_operative(ifp) || | |
4325 | !zif || | |
4326 | !zif->brslave_info.br_if) { | |
4327 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4328 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4329 | vni); | |
4330 | return; | |
4331 | } | |
4332 | ||
4333 | /* The remote VTEP specified is normally expected to exist, but | |
4334 | * it is possible that the peer may delete the VTEP before deleting | |
4335 | * any MACs referring to the VTEP, in which case the handler (see | |
4336 | * remote_vtep_del) would have already deleted the MACs. | |
4337 | */ | |
4338 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4339 | return; | |
4340 | ||
4341 | mac = zvni_mac_lookup(zvni, macaddr); | |
4342 | if (ipa_len) | |
4343 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4344 | ||
4345 | if (n && !mac) { | |
4346 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4347 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4348 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4349 | return; | |
4350 | } | |
4351 | ||
4352 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4353 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4354 | */ | |
4355 | if (!mac && !n) | |
4356 | return; | |
4357 | ||
4358 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4359 | if (mac | |
4360 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4361 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4362 | zlog_warn( | |
4363 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4364 | vni, | |
4365 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4366 | ipa_len ? " IP " : "", | |
4367 | ipa_len ? | |
4368 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4369 | return; | |
4370 | } | |
4371 | ||
4372 | /* Uninstall remote neighbor or MAC. */ | |
4373 | if (n) { | |
4374 | /* When the MAC changes for an IP, it is possible the | |
4375 | * client may update the new MAC before trying to delete the | |
4376 | * "old" neighbor (as these are two different MACIP routes). | |
4377 | * Do the delete only if the MAC matches. | |
4378 | */ | |
4379 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4380 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4381 | zvni_neigh_uninstall(zvni, n); | |
4382 | zvni_neigh_del(zvni, n); | |
4383 | zvni_deref_ip2mac(zvni, mac, 1); | |
4384 | } | |
4385 | } else { | |
4386 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4387 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
4388 | ||
4389 | if (list_isempty(mac->neigh_list)) { | |
4390 | zvni_mac_uninstall(zvni, mac, 0); | |
4391 | zvni_mac_del(zvni, mac); | |
4392 | } else | |
4393 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4394 | } | |
4395 | } | |
4396 | } | |
4397 | ||
4398 | ||
b7cfce93 MK |
4399 | /* Public functions */ |
4400 | ||
c48d9f5f MK |
4401 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4402 | { | |
4403 | zebra_l3vni_t *zl3vni = NULL; | |
4404 | ||
4405 | zl3vni = zl3vni_lookup(vni); | |
4406 | if (!zl3vni) | |
4407 | return 0; | |
4408 | ||
4409 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4410 | } | |
4411 | ||
2dbad57f | 4412 | /* handle evpn route in vrf table */ |
996c9314 LB |
4413 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4414 | struct ipaddr *vtep_ip, | |
4415 | struct prefix *host_prefix) | |
2dbad57f | 4416 | { |
4417 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4418 | struct ipaddr ipv4_vtep; |
2dbad57f | 4419 | |
4420 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4421 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4422 | return; | |
4423 | ||
3518f352 | 4424 | /* |
f50dc5e6 MK |
4425 | * add the next hop neighbor - |
4426 | * neigh to be installed is the ipv6 nexthop neigh | |
4427 | */ | |
3518f352 | 4428 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4429 | |
f50dc5e6 MK |
4430 | /* |
4431 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4432 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4433 | * support ipv4 tunnels in the h/w right now | |
4434 | */ | |
4435 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4436 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4437 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4438 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4439 | &(ipv4_vtep.ipaddr_v4)); | |
4440 | else | |
4441 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4442 | sizeof(struct in_addr)); | |
4443 | ||
3518f352 DS |
4444 | /* |
4445 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4446 | * nexthop address |
4447 | */ | |
3518f352 | 4448 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4449 | } |
4450 | ||
4451 | /* handle evpn vrf route delete */ | |
22e63104 | 4452 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4453 | struct ipaddr *vtep_ip, |
4454 | struct prefix *host_prefix) | |
2dbad57f | 4455 | { |
4456 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4457 | zebra_neigh_t *nh = NULL; |
4458 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4459 | |
4460 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4461 | if (!zl3vni) |
2dbad57f | 4462 | return; |
4463 | ||
22e63104 | 4464 | /* find the next hop entry and rmac entry */ |
4465 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4466 | if (!nh) | |
4467 | return; | |
4468 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4469 | ||
2dbad57f | 4470 | /* delete the next hop entry */ |
22e63104 | 4471 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4472 | |
4473 | /* delete the rmac entry */ | |
22e63104 | 4474 | if (zrmac) |
4475 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4476 | ||
2dbad57f | 4477 | } |
4478 | ||
996c9314 | 4479 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4480 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4481 | { |
4482 | zebra_l3vni_t *zl3vni = NULL; | |
4483 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4484 | json_object *json = NULL; |
9aa741ea | 4485 | |
316f4ca4 MK |
4486 | if (!is_evpn_enabled()) { |
4487 | if (use_json) | |
4488 | vty_out(vty, "{}\n"); | |
9aa741ea | 4489 | return; |
316f4ca4 MK |
4490 | } |
4491 | ||
4492 | if (use_json) | |
4493 | json = json_object_new_object(); | |
9aa741ea MK |
4494 | |
4495 | zl3vni = zl3vni_lookup(l3vni); | |
4496 | if (!zl3vni) { | |
316f4ca4 MK |
4497 | if (use_json) |
4498 | vty_out(vty, "{}\n"); | |
4499 | else | |
996c9314 | 4500 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4501 | return; |
4502 | } | |
4503 | ||
4504 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4505 | if (!zrmac) { | |
316f4ca4 MK |
4506 | if (use_json) |
4507 | vty_out(vty, "{}\n"); | |
4508 | else | |
4509 | vty_out(vty, | |
4510 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4511 | l3vni); | |
9aa741ea MK |
4512 | return; |
4513 | } | |
4514 | ||
316f4ca4 MK |
4515 | zl3vni_print_rmac(zrmac, vty, json); |
4516 | ||
4517 | if (use_json) { | |
4518 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4519 | json, JSON_C_TO_STRING_PRETTY)); | |
4520 | json_object_free(json); | |
4521 | } | |
9aa741ea | 4522 | } |
2dbad57f | 4523 | |
9f049418 | 4524 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4525 | { |
4526 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4527 | uint32_t num_rmacs; |
b7cfce93 MK |
4528 | struct rmac_walk_ctx wctx; |
4529 | json_object *json = NULL; | |
b7cfce93 MK |
4530 | |
4531 | if (!is_evpn_enabled()) | |
4532 | return; | |
4533 | ||
4534 | zl3vni = zl3vni_lookup(l3vni); | |
4535 | if (!zl3vni) { | |
4536 | if (use_json) | |
4537 | vty_out(vty, "{}\n"); | |
4538 | else | |
4539 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4540 | return; | |
4541 | } | |
4542 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4543 | if (!num_rmacs) | |
4544 | return; | |
4545 | ||
75223c9e | 4546 | if (use_json) |
b7cfce93 | 4547 | json = json_object_new_object(); |
b7cfce93 MK |
4548 | |
4549 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4550 | wctx.vty = vty; | |
75223c9e | 4551 | wctx.json = json; |
b7cfce93 | 4552 | if (!use_json) { |
996c9314 | 4553 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4554 | num_rmacs); |
4cce389e | 4555 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4556 | } else |
4557 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4558 | ||
4559 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4560 | ||
4561 | if (use_json) { | |
b7cfce93 MK |
4562 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4563 | json, JSON_C_TO_STRING_PRETTY)); | |
4564 | json_object_free(json); | |
4565 | } | |
4566 | } | |
4567 | ||
9f049418 | 4568 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 MK |
4569 | { |
4570 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4571 | json_object *json = NULL; |
c0b4eaa4 | 4572 | void *args[2]; |
b7cfce93 MK |
4573 | |
4574 | if (!is_evpn_enabled()) { | |
4575 | if (use_json) | |
4576 | vty_out(vty, "{}\n"); | |
4577 | return; | |
4578 | } | |
4579 | ||
4580 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4581 | if (!zns) { |
4582 | if (use_json) | |
4583 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4584 | return; |
c0b4eaa4 | 4585 | } |
b7cfce93 MK |
4586 | |
4587 | if (use_json) | |
4588 | json = json_object_new_object(); | |
4589 | ||
c0b4eaa4 MK |
4590 | args[0] = vty; |
4591 | args[1] = json; | |
4592 | hash_iterate(zns->l3vni_table, | |
4593 | (void (*)(struct hash_backet *, | |
4594 | void *))zl3vni_print_rmac_hash_all_vni, | |
4595 | args); | |
b7cfce93 MK |
4596 | |
4597 | if (use_json) { | |
4598 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4599 | json, JSON_C_TO_STRING_PRETTY)); | |
4600 | json_object_free(json); | |
4601 | } | |
4602 | } | |
4603 | ||
996c9314 | 4604 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4605 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4606 | { |
4607 | zebra_l3vni_t *zl3vni = NULL; | |
4608 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4609 | json_object *json = NULL; |
9aa741ea | 4610 | |
c0e519d3 MK |
4611 | if (!is_evpn_enabled()) { |
4612 | if (use_json) | |
4613 | vty_out(vty, "{}\n"); | |
9aa741ea | 4614 | return; |
c0e519d3 MK |
4615 | } |
4616 | ||
4617 | if (use_json) | |
4618 | json = json_object_new_object(); | |
9aa741ea MK |
4619 | |
4620 | zl3vni = zl3vni_lookup(l3vni); | |
4621 | if (!zl3vni) { | |
c0e519d3 MK |
4622 | if (use_json) |
4623 | vty_out(vty, "{}\n"); | |
4624 | else | |
4625 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4626 | return; |
4627 | } | |
4628 | ||
4629 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4630 | if (!n) { | |
c0e519d3 MK |
4631 | if (use_json) |
4632 | vty_out(vty, "{}\n"); | |
4633 | else | |
4634 | vty_out(vty, | |
4635 | "%% Requested next-hop not present for L3-VNI %u", | |
4636 | l3vni); | |
9aa741ea MK |
4637 | return; |
4638 | } | |
4639 | ||
c0e519d3 MK |
4640 | zl3vni_print_nh(n, vty, json); |
4641 | ||
4642 | if (use_json) { | |
4643 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4644 | json, JSON_C_TO_STRING_PRETTY)); | |
4645 | json_object_free(json); | |
4646 | } | |
9aa741ea MK |
4647 | } |
4648 | ||
9f049418 | 4649 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4650 | { |
d7c0a89a | 4651 | uint32_t num_nh; |
2dbad57f | 4652 | struct nh_walk_ctx wctx; |
b7cfce93 | 4653 | json_object *json = NULL; |
b7cfce93 MK |
4654 | zebra_l3vni_t *zl3vni = NULL; |
4655 | ||
4656 | if (!is_evpn_enabled()) | |
4657 | return; | |
4658 | ||
4659 | zl3vni = zl3vni_lookup(l3vni); | |
4660 | if (!zl3vni) { | |
4661 | if (use_json) | |
4662 | vty_out(vty, "{}\n"); | |
4663 | else | |
4664 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4665 | return; | |
4666 | } | |
4667 | ||
4668 | num_nh = hashcount(zl3vni->nh_table); | |
4669 | if (!num_nh) | |
4670 | return; | |
4671 | ||
9187f600 | 4672 | if (use_json) |
b7cfce93 | 4673 | json = json_object_new_object(); |
b7cfce93 | 4674 | |
2dbad57f | 4675 | wctx.vty = vty; |
9187f600 | 4676 | wctx.json = json; |
b7cfce93 | 4677 | if (!use_json) { |
996c9314 | 4678 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4679 | num_nh); |
4cce389e | 4680 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4681 | } else |
4cce389e | 4682 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4683 | |
4684 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4685 | ||
4686 | if (use_json) { | |
b7cfce93 MK |
4687 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4688 | json, JSON_C_TO_STRING_PRETTY)); | |
4689 | json_object_free(json); | |
4690 | } | |
4691 | } | |
4692 | ||
9f049418 | 4693 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4694 | { |
2dbad57f | 4695 | struct zebra_ns *zns = NULL; |
2dbad57f | 4696 | json_object *json = NULL; |
32798965 | 4697 | void *args[2]; |
2dbad57f | 4698 | |
4699 | if (!is_evpn_enabled()) { | |
4700 | if (use_json) | |
4701 | vty_out(vty, "{}\n"); | |
4702 | return; | |
4703 | } | |
4704 | ||
4705 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4706 | if (!zns) | |
4707 | return; | |
4708 | ||
4709 | if (use_json) | |
4710 | json = json_object_new_object(); | |
4711 | ||
32798965 MK |
4712 | args[0] = vty; |
4713 | args[1] = json; | |
4714 | hash_iterate(zns->l3vni_table, | |
4715 | (void (*)(struct hash_backet *, | |
4716 | void *))zl3vni_print_nh_hash_all_vni, | |
4717 | args); | |
2dbad57f | 4718 | |
4719 | if (use_json) { | |
4720 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4721 | json, JSON_C_TO_STRING_PRETTY)); | |
4722 | json_object_free(json); | |
4723 | } | |
b7cfce93 MK |
4724 | } |
4725 | ||
4726 | /* | |
4727 | * Display L3 VNI information (VTY command handler). | |
4728 | */ | |
9f049418 | 4729 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4730 | { |
4731 | void *args[2]; | |
4732 | json_object *json = NULL; | |
4733 | zebra_l3vni_t *zl3vni = NULL; | |
4734 | ||
b2ee5a13 MK |
4735 | if (!is_evpn_enabled()) { |
4736 | if (use_json) | |
4737 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4738 | return; |
b2ee5a13 | 4739 | } |
b7cfce93 MK |
4740 | |
4741 | zl3vni = zl3vni_lookup(vni); | |
4742 | if (!zl3vni) { | |
4743 | if (use_json) | |
4744 | vty_out(vty, "{}\n"); | |
4745 | else | |
4746 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4747 | return; | |
4748 | } | |
4749 | ||
4750 | if (use_json) | |
4751 | json = json_object_new_object(); | |
4752 | ||
b2ee5a13 MK |
4753 | args[0] = vty; |
4754 | args[1] = json; | |
b7cfce93 MK |
4755 | zl3vni_print(zl3vni, (void *)args); |
4756 | ||
4757 | if (use_json) { | |
4758 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4759 | json, JSON_C_TO_STRING_PRETTY)); | |
4760 | json_object_free(json); | |
4761 | } | |
4762 | } | |
4763 | ||
4cce389e MK |
4764 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4765 | json_object *json_vrfs) | |
b7cfce93 | 4766 | { |
4cce389e MK |
4767 | char buf[ETHER_ADDR_STRLEN]; |
4768 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4769 | |
4cce389e MK |
4770 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4771 | if (!zl3vni) | |
b7cfce93 | 4772 | return; |
b7cfce93 | 4773 | |
4cce389e MK |
4774 | if (!json_vrfs) { |
4775 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4776 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4777 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4778 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4779 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4780 | } else { |
4cce389e | 4781 | json_object *json_vrf = NULL; |
9df2b997 | 4782 | |
4cce389e | 4783 | json_vrf = json_object_new_object(); |
996c9314 | 4784 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4785 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4786 | json_object_string_add(json_vrf, "vxlanIntf", | |
4787 | zl3vni_vxlan_if_name(zl3vni)); | |
4788 | json_object_string_add(json_vrf, "sviIntf", | |
4789 | zl3vni_svi_if_name(zl3vni)); | |
4790 | json_object_string_add(json_vrf, "state", | |
4791 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4792 | json_object_string_add( |
4793 | json_vrf, "routerMac", | |
4794 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4795 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4796 | } |
4797 | } | |
4798 | ||
4799 | /* | |
4800 | * Display Neighbors for a VNI (VTY command handler). | |
4801 | */ | |
4802 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4803 | vni_t vni, bool use_json) |
b7cfce93 MK |
4804 | { |
4805 | zebra_vni_t *zvni; | |
d7c0a89a | 4806 | uint32_t num_neigh; |
b7cfce93 MK |
4807 | struct neigh_walk_ctx wctx; |
4808 | json_object *json = NULL; | |
4809 | ||
4810 | if (!is_evpn_enabled()) | |
4811 | return; | |
4812 | zvni = zvni_lookup(vni); | |
4813 | if (!zvni) { | |
4814 | if (use_json) | |
4815 | vty_out(vty, "{}\n"); | |
4816 | else | |
4817 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4818 | return; | |
4819 | } | |
4820 | num_neigh = hashcount(zvni->neigh_table); | |
4821 | if (!num_neigh) | |
4822 | return; | |
4823 | ||
4824 | if (use_json) | |
4825 | json = json_object_new_object(); | |
4826 | ||
4827 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4828 | * size, we try to be a bit more elegant in display by first computing | |
4829 | * the maximum width. | |
4830 | */ | |
4831 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4832 | wctx.zvni = zvni; | |
4833 | wctx.vty = vty; | |
4834 | wctx.addr_width = 15; | |
4835 | wctx.json = json; | |
4836 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4837 | ||
4838 | if (!use_json) { | |
4839 | vty_out(vty, | |
4840 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4841 | num_neigh); | |
1a8c5c38 | 4842 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4843 | -wctx.addr_width, "IP", "Type", | |
4844 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4845 | } else |
4846 | json_object_int_add(json, "numArpNd", num_neigh); | |
4847 | ||
4848 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4849 | if (use_json) { | |
4850 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4851 | json, JSON_C_TO_STRING_PRETTY)); | |
4852 | json_object_free(json); | |
4853 | } | |
4854 | } | |
4855 | ||
4856 | /* | |
4857 | * Display neighbors across all VNIs (VTY command handler). | |
4858 | */ | |
4859 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4860 | bool use_json) |
b7cfce93 MK |
4861 | { |
4862 | json_object *json = NULL; | |
4863 | void *args[2]; | |
4864 | ||
4865 | if (!is_evpn_enabled()) | |
4866 | return; | |
4867 | ||
4868 | if (use_json) | |
4869 | json = json_object_new_object(); | |
4870 | ||
4871 | args[0] = vty; | |
4872 | args[1] = json; | |
4873 | hash_iterate(zvrf->vni_table, | |
4874 | (void (*)(struct hash_backet *, | |
4875 | void *))zvni_print_neigh_hash_all_vni, | |
4876 | args); | |
4877 | if (use_json) { | |
4878 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4879 | json, JSON_C_TO_STRING_PRETTY)); | |
4880 | json_object_free(json); | |
4881 | } | |
4882 | } | |
4883 | ||
4884 | /* | |
4885 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4886 | */ | |
4887 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4888 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 4889 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
4890 | { |
4891 | zebra_vni_t *zvni; | |
4892 | zebra_neigh_t *n; | |
4893 | json_object *json = NULL; | |
4894 | ||
4895 | if (!is_evpn_enabled()) | |
4896 | return; | |
4897 | zvni = zvni_lookup(vni); | |
4898 | if (!zvni) { | |
4899 | if (use_json) | |
cd233079 CS |
4900 | vty_out(vty, "{}\n"); |
4901 | else | |
4902 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4903 | return; |
4904 | } | |
4905 | n = zvni_neigh_lookup(zvni, ip); | |
4906 | if (!n) { | |
cd233079 CS |
4907 | if (!use_json) |
4908 | vty_out(vty, | |
4909 | "%% Requested neighbor does not exist in VNI %u\n", | |
4910 | vni); | |
d62a17ae | 4911 | return; |
4912 | } | |
cd233079 CS |
4913 | if (use_json) |
4914 | json = json_object_new_object(); | |
4915 | ||
4916 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4917 | |
cd233079 CS |
4918 | if (use_json) { |
4919 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4920 | json, JSON_C_TO_STRING_PRETTY)); | |
4921 | json_object_free(json); | |
4922 | } | |
cec2e17d | 4923 | } |
4924 | ||
4925 | /* | |
4926 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4927 | * By definition, these are remote neighbors. | |
4928 | */ | |
d62a17ae | 4929 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4930 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 4931 | bool use_json) |
cec2e17d | 4932 | { |
d62a17ae | 4933 | zebra_vni_t *zvni; |
d7c0a89a | 4934 | uint32_t num_neigh; |
d62a17ae | 4935 | struct neigh_walk_ctx wctx; |
cd233079 | 4936 | json_object *json = NULL; |
cec2e17d | 4937 | |
2853fed6 | 4938 | if (!is_evpn_enabled()) |
d62a17ae | 4939 | return; |
2853fed6 | 4940 | zvni = zvni_lookup(vni); |
d62a17ae | 4941 | if (!zvni) { |
cd233079 CS |
4942 | if (use_json) |
4943 | vty_out(vty, "{}\n"); | |
4944 | else | |
4945 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4946 | return; |
4947 | } | |
4948 | num_neigh = hashcount(zvni->neigh_table); | |
4949 | if (!num_neigh) | |
4950 | return; | |
cec2e17d | 4951 | |
d62a17ae | 4952 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4953 | wctx.zvni = zvni; | |
4954 | wctx.vty = vty; | |
68e33151 | 4955 | wctx.addr_width = 15; |
d62a17ae | 4956 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4957 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4958 | wctx.json = json; |
68e33151 | 4959 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4960 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4961 | |
4962 | if (use_json) { | |
4963 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4964 | json, JSON_C_TO_STRING_PRETTY)); | |
4965 | json_object_free(json); | |
4966 | } | |
cec2e17d | 4967 | } |
4968 | ||
4969 | /* | |
4970 | * Display MACs for a VNI (VTY command handler). | |
4971 | */ | |
d62a17ae | 4972 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 4973 | vni_t vni, bool use_json) |
cec2e17d | 4974 | { |
d62a17ae | 4975 | zebra_vni_t *zvni; |
d7c0a89a | 4976 | uint32_t num_macs; |
d62a17ae | 4977 | struct mac_walk_ctx wctx; |
cd233079 CS |
4978 | json_object *json = NULL; |
4979 | json_object *json_mac = NULL; | |
cec2e17d | 4980 | |
2853fed6 | 4981 | if (!is_evpn_enabled()) |
d62a17ae | 4982 | return; |
2853fed6 | 4983 | zvni = zvni_lookup(vni); |
d62a17ae | 4984 | if (!zvni) { |
cd233079 CS |
4985 | if (use_json) |
4986 | vty_out(vty, "{}\n"); | |
4987 | else | |
4988 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4989 | return; |
4990 | } | |
790f8dc5 | 4991 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4992 | if (!num_macs) |
4993 | return; | |
cec2e17d | 4994 | |
cd233079 CS |
4995 | if (use_json) { |
4996 | json = json_object_new_object(); | |
4997 | json_mac = json_object_new_object(); | |
4998 | } | |
4999 | ||
d62a17ae | 5000 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5001 | wctx.zvni = zvni; | |
5002 | wctx.vty = vty; | |
cd233079 | 5003 | wctx.json = json_mac; |
cec2e17d | 5004 | |
cd233079 CS |
5005 | if (!use_json) { |
5006 | vty_out(vty, | |
5007 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5008 | num_macs); | |
5009 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5010 | "Intf/Remote VTEP", "VLAN"); | |
5011 | } else | |
5012 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5013 | |
d62a17ae | 5014 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5015 | |
5016 | if (use_json) { | |
5017 | json_object_object_add(json, "macs", json_mac); | |
5018 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5019 | json, JSON_C_TO_STRING_PRETTY)); | |
5020 | json_object_free(json); | |
5021 | } | |
cec2e17d | 5022 | } |
5023 | ||
5024 | /* | |
5025 | * Display MACs for all VNIs (VTY command handler). | |
5026 | */ | |
cd233079 | 5027 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5028 | bool use_json) |
cec2e17d | 5029 | { |
d62a17ae | 5030 | struct mac_walk_ctx wctx; |
cd233079 | 5031 | json_object *json = NULL; |
cec2e17d | 5032 | |
2853fed6 | 5033 | if (!is_evpn_enabled()) { |
cd233079 CS |
5034 | if (use_json) |
5035 | vty_out(vty, "{}\n"); | |
d62a17ae | 5036 | return; |
cd233079 CS |
5037 | } |
5038 | if (use_json) | |
5039 | json = json_object_new_object(); | |
5040 | ||
d62a17ae | 5041 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5042 | wctx.vty = vty; | |
cd233079 | 5043 | wctx.json = json; |
d62a17ae | 5044 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5045 | |
5046 | if (use_json) { | |
5047 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5048 | json, JSON_C_TO_STRING_PRETTY)); | |
5049 | json_object_free(json); | |
5050 | } | |
cec2e17d | 5051 | } |
5052 | ||
5053 | /* | |
5054 | * Display MACs for all VNIs (VTY command handler). | |
5055 | */ | |
d62a17ae | 5056 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5057 | struct zebra_vrf *zvrf, | |
9f049418 | 5058 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5059 | { |
d62a17ae | 5060 | struct mac_walk_ctx wctx; |
cd233079 | 5061 | json_object *json = NULL; |
cec2e17d | 5062 | |
2853fed6 | 5063 | if (!is_evpn_enabled()) |
d62a17ae | 5064 | return; |
cd233079 CS |
5065 | |
5066 | if (use_json) | |
5067 | json = json_object_new_object(); | |
5068 | ||
d62a17ae | 5069 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5070 | wctx.vty = vty; | |
5071 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5072 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5073 | wctx.json = json; |
d62a17ae | 5074 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5075 | |
5076 | if (use_json) { | |
5077 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5078 | json, JSON_C_TO_STRING_PRETTY)); | |
5079 | json_object_free(json); | |
5080 | } | |
cec2e17d | 5081 | } |
5082 | ||
5083 | /* | |
5084 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5085 | */ | |
d62a17ae | 5086 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5087 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 5088 | { |
d62a17ae | 5089 | zebra_vni_t *zvni; |
5090 | zebra_mac_t *mac; | |
cec2e17d | 5091 | |
2853fed6 | 5092 | if (!is_evpn_enabled()) |
d62a17ae | 5093 | return; |
2853fed6 | 5094 | zvni = zvni_lookup(vni); |
d62a17ae | 5095 | if (!zvni) { |
5096 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5097 | return; | |
5098 | } | |
5099 | mac = zvni_mac_lookup(zvni, macaddr); | |
5100 | if (!mac) { | |
5101 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
5102 | vni); | |
5103 | return; | |
5104 | } | |
cec2e17d | 5105 | |
d62a17ae | 5106 | zvni_print_mac(mac, vty); |
cec2e17d | 5107 | } |
5108 | ||
5109 | /* | |
5110 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5111 | */ | |
d62a17ae | 5112 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5113 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5114 | bool use_json) |
cec2e17d | 5115 | { |
d62a17ae | 5116 | zebra_vni_t *zvni; |
d7c0a89a | 5117 | uint32_t num_macs; |
d62a17ae | 5118 | struct mac_walk_ctx wctx; |
cd233079 CS |
5119 | json_object *json = NULL; |
5120 | json_object *json_mac = NULL; | |
cec2e17d | 5121 | |
2853fed6 | 5122 | if (!is_evpn_enabled()) |
d62a17ae | 5123 | return; |
2853fed6 | 5124 | zvni = zvni_lookup(vni); |
d62a17ae | 5125 | if (!zvni) { |
cd233079 CS |
5126 | if (use_json) |
5127 | vty_out(vty, "{}\n"); | |
5128 | else | |
5129 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5130 | return; |
5131 | } | |
790f8dc5 | 5132 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5133 | if (!num_macs) |
5134 | return; | |
cd233079 CS |
5135 | |
5136 | if (use_json) { | |
5137 | json = json_object_new_object(); | |
5138 | json_mac = json_object_new_object(); | |
5139 | } | |
5140 | ||
d62a17ae | 5141 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5142 | wctx.zvni = zvni; | |
5143 | wctx.vty = vty; | |
5144 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5145 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5146 | wctx.json = json_mac; |
d62a17ae | 5147 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5148 | |
5149 | if (use_json) { | |
5150 | json_object_int_add(json, "numMacs", wctx.count); | |
5151 | if (wctx.count) | |
5152 | json_object_object_add(json, "macs", json_mac); | |
5153 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5154 | json, JSON_C_TO_STRING_PRETTY)); | |
5155 | json_object_free(json); | |
5156 | } | |
cec2e17d | 5157 | } |
5158 | ||
5159 | ||
5160 | /* | |
5161 | * Display VNI information (VTY command handler). | |
5162 | */ | |
cd233079 | 5163 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5164 | bool use_json) |
cec2e17d | 5165 | { |
cd233079 CS |
5166 | json_object *json = NULL; |
5167 | void *args[2]; | |
1f2129ec | 5168 | zebra_l3vni_t *zl3vni = NULL; |
5169 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5170 | |
2853fed6 | 5171 | if (!is_evpn_enabled()) |
d62a17ae | 5172 | return; |
4cce389e | 5173 | |
cd233079 CS |
5174 | if (use_json) |
5175 | json = json_object_new_object(); | |
5176 | args[0] = vty; | |
5177 | args[1] = json; | |
4cce389e | 5178 | |
1f2129ec | 5179 | zl3vni = zl3vni_lookup(vni); |
5180 | if (zl3vni) { | |
4cce389e MK |
5181 | zl3vni_print(zl3vni, (void *)args); |
5182 | } else { | |
4cce389e MK |
5183 | zvni = zvni_lookup(vni); |
5184 | if (!zvni) { | |
5185 | if (use_json) | |
5186 | vty_out(vty, "{}\n"); | |
5187 | else | |
5188 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5189 | return; | |
5190 | } | |
5191 | ||
5192 | zvni_print(zvni, (void *)args); | |
5193 | } | |
5194 | ||
cd233079 CS |
5195 | if (use_json) { |
5196 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5197 | json, JSON_C_TO_STRING_PRETTY)); | |
5198 | json_object_free(json); | |
5199 | } | |
cec2e17d | 5200 | } |
5201 | ||
4cce389e | 5202 | /* Display all global details for EVPN */ |
088f1098 | 5203 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5204 | { |
4cce389e MK |
5205 | int num_l2vnis = 0; |
5206 | int num_l3vnis = 0; | |
d4454626 | 5207 | int num_vnis = 0; |
cd233079 | 5208 | json_object *json = NULL; |
4cce389e MK |
5209 | struct zebra_ns *zns = NULL; |
5210 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 5211 | |
2853fed6 | 5212 | if (!is_evpn_enabled()) |
d62a17ae | 5213 | return; |
4cce389e MK |
5214 | |
5215 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5216 | if (!zns) | |
d62a17ae | 5217 | return; |
4cce389e MK |
5218 | |
5219 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
5220 | if (!zvrf) | |
5221 | return; | |
5222 | ||
5223 | num_l3vnis = hashcount(zns->l3vni_table); | |
5224 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 5225 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5226 | |
5227 | if (uj) { | |
cd233079 | 5228 | json = json_object_new_object(); |
ddd16ed5 MK |
5229 | json_object_string_add(json, "advertiseGatewayMacip", |
5230 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5231 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5232 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5233 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5234 | } else { |
4cce389e MK |
5235 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5236 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5237 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5238 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5239 | } |
4cce389e MK |
5240 | |
5241 | if (uj) { | |
5242 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5243 | json, JSON_C_TO_STRING_PRETTY)); | |
5244 | json_object_free(json); | |
5245 | } | |
5246 | } | |
5247 | ||
5248 | /* | |
5249 | * Display VNI hash table (VTY command handler). | |
5250 | */ | |
5251 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5252 | bool use_json) |
4cce389e MK |
5253 | { |
5254 | json_object *json = NULL; | |
5255 | struct zebra_ns *zns = NULL; | |
5256 | void *args[2]; | |
5257 | ||
5258 | if (!is_evpn_enabled()) | |
5259 | return; | |
5260 | ||
5261 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5262 | if (!zns) | |
5263 | return; | |
5264 | ||
5265 | ||
5266 | if (use_json) | |
5267 | json = json_object_new_object(); | |
5268 | else | |
996c9314 LB |
5269 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5270 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5271 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5272 | |
cd233079 CS |
5273 | args[0] = vty; |
5274 | args[1] = json; | |
5275 | ||
4cce389e | 5276 | /* Display all L2-VNIs */ |
cd233079 CS |
5277 | hash_iterate(zvrf->vni_table, |
5278 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5279 | args); | |
5280 | ||
4cce389e MK |
5281 | /* Display all L3-VNIs */ |
5282 | hash_iterate(zns->l3vni_table, | |
5283 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
5284 | args); | |
5285 | ||
cd233079 CS |
5286 | if (use_json) { |
5287 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5288 | json, JSON_C_TO_STRING_PRETTY)); | |
5289 | json_object_free(json); | |
5290 | } | |
cec2e17d | 5291 | } |
5292 | ||
2232a77c | 5293 | /* |
ee69da27 MK |
5294 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5295 | * / L3 interface). This may result in either the neighbor getting deleted | |
5296 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5297 | * remote neighbor). |
5298 | */ | |
ee69da27 MK |
5299 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5300 | struct interface *link_if, | |
5301 | struct ipaddr *ip) | |
d62a17ae | 5302 | { |
d62a17ae | 5303 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5304 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5305 | zebra_neigh_t *n = NULL; |
5306 | zebra_vni_t *zvni = NULL; | |
5307 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5308 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5309 | |
8c9b80b9 | 5310 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5311 | * next-hop |
5312 | */ | |
8c9b80b9 MK |
5313 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5314 | if (zl3vni) | |
5315 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5316 | |
5317 | /* We are only interested in neighbors on an SVI that resides on top | |
5318 | * of a VxLAN bridge. | |
5319 | */ | |
b7cfce93 | 5320 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5321 | if (!zvni) |
5322 | return 0; | |
8c9b80b9 | 5323 | |
d62a17ae | 5324 | if (!zvni->vxlan_if) { |
43e52561 | 5325 | zlog_warn( |
d62a17ae | 5326 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5327 | zvni->vni, zvni); | |
5328 | return -1; | |
5329 | } | |
5330 | ||
5331 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5332 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5333 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5334 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5335 | |
5336 | /* If entry doesn't exist, nothing to do. */ | |
5337 | n = zvni_neigh_lookup(zvni, ip); | |
5338 | if (!n) | |
5339 | return 0; | |
5340 | ||
b6938a74 MK |
5341 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5342 | if (!zmac) { | |
5343 | if (IS_ZEBRA_DEBUG_VXLAN) | |
43e52561 | 5344 | zlog_warn( |
2853fed6 | 5345 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5346 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5347 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5348 | zvni->vni); | |
5349 | ||
5350 | return 0; | |
5351 | } | |
5352 | ||
d62a17ae | 5353 | /* If it is a remote entry, the kernel has aged this out or someone has |
5354 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5355 | */ | |
5356 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5357 | zvni_neigh_install(zvni, n); | |
5358 | return 0; | |
5359 | } | |
5360 | ||
d62a17ae | 5361 | /* Remove neighbor from BGP. */ |
b6938a74 | 5362 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5363 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5364 | |
5365 | /* Delete this neighbor entry. */ | |
5366 | zvni_neigh_del(zvni, n); | |
5367 | ||
b6938a74 MK |
5368 | /* see if the AUTO mac needs to be deleted */ |
5369 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5370 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5371 | zvni_mac_del(zvni, zmac); |
5372 | ||
d62a17ae | 5373 | return 0; |
2232a77c | 5374 | } |
5375 | ||
5376 | /* | |
ee69da27 MK |
5377 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5378 | * device / L3 interface). This is typically for a local neighbor but can | |
5379 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5380 | * also be a "move" scenario. | |
2232a77c | 5381 | */ |
ee69da27 MK |
5382 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5383 | struct interface *link_if, | |
5384 | struct ipaddr *ip, | |
5385 | struct ethaddr *macaddr, | |
5386 | uint16_t state, | |
68e33151 CS |
5387 | uint8_t ext_learned, |
5388 | uint8_t router_flag) | |
d62a17ae | 5389 | { |
d62a17ae | 5390 | char buf[ETHER_ADDR_STRLEN]; |
5391 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5392 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5393 | zebra_l3vni_t *zl3vni = NULL; |
5394 | ||
5395 | /* check if this is a remote neigh entry corresponding to remote | |
5396 | * next-hop | |
5397 | */ | |
5398 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5399 | if (zl3vni) | |
5400 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5401 | |
d62a17ae | 5402 | /* We are only interested in neighbors on an SVI that resides on top |
5403 | * of a VxLAN bridge. | |
5404 | */ | |
b7cfce93 | 5405 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5406 | if (!zvni) |
5407 | return 0; | |
5408 | ||
d62a17ae | 5409 | if (IS_ZEBRA_DEBUG_VXLAN) |
5410 | zlog_debug( | |
54c17425 | 5411 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5412 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5413 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5414 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
54c17425 | 5415 | router_flag ? "router " : "", |
8c9b80b9 | 5416 | zvni->vni); |
d62a17ae | 5417 | |
ee69da27 MK |
5418 | /* Is this about a local neighbor or a remote one? */ |
5419 | if (!ext_learned) | |
68e33151 CS |
5420 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
5421 | router_flag); | |
b7cfce93 | 5422 | |
ee69da27 | 5423 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5424 | } |
5425 | ||
b682f6de | 5426 | |
2232a77c | 5427 | /* |
5428 | * Handle message from client to delete a remote MACIP for a VNI. | |
5429 | */ | |
89f4e507 | 5430 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5431 | { |
5432 | struct stream *s; | |
5433 | vni_t vni; | |
5434 | struct ethaddr macaddr; | |
5435 | struct ipaddr ip; | |
5436 | struct in_addr vtep_ip; | |
9df2b997 | 5437 | uint16_t l = 0, ipa_len; |
d62a17ae | 5438 | char buf[ETHER_ADDR_STRLEN]; |
5439 | char buf1[INET6_ADDRSTRLEN]; | |
5440 | ||
b7cfce93 | 5441 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5442 | memset(&ip, 0, sizeof(struct ipaddr)); |
5443 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5444 | ||
1002497a | 5445 | s = msg; |
d62a17ae | 5446 | |
89f4e507 | 5447 | while (l < hdr->length) { |
d62a17ae | 5448 | /* Obtain each remote MACIP and process. */ |
5449 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5450 | * followed by remote VTEP IP. | |
5451 | */ | |
d62a17ae | 5452 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5453 | STREAM_GETL(s, vni); |
5454 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5455 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5456 | if (ipa_len) { |
5457 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5458 | : IPADDR_V6; | |
ec93aa12 | 5459 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5460 | } |
ff8b7eb8 | 5461 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5462 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5463 | l += IPV4_MAX_BYTELEN; |
5464 | ||
5465 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5466 | zlog_debug( | |
f07e1c99 | 5467 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5468 | vni, | |
d62a17ae | 5469 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5470 | ipa_len ? " IP " : "", |
5471 | ipa_len ? | |
5472 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5473 | inet_ntoa(vtep_ip), |
5474 | zebra_route_string(client->proto)); | |
5475 | ||
f07e1c99 | 5476 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5477 | |
d62a17ae | 5478 | } |
5479 | ||
ec93aa12 | 5480 | stream_failure: |
8068a649 | 5481 | return; |
2232a77c | 5482 | } |
5483 | ||
5484 | /* | |
5485 | * Handle message from client to add a remote MACIP for a VNI. This | |
5486 | * could be just the add of a MAC address or the add of a neighbor | |
5487 | * (IP+MAC). | |
5488 | */ | |
89f4e507 | 5489 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5490 | { |
5491 | struct stream *s; | |
5492 | vni_t vni; | |
5493 | struct ethaddr macaddr; | |
5494 | struct ipaddr ip; | |
5495 | struct in_addr vtep_ip; | |
9df2b997 | 5496 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5497 | uint8_t flags = 0; |
5498 | uint32_t seq; | |
d62a17ae | 5499 | char buf[ETHER_ADDR_STRLEN]; |
5500 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5501 | |
b7cfce93 | 5502 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5503 | memset(&ip, 0, sizeof(struct ipaddr)); |
5504 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5505 | ||
ec93aa12 | 5506 | if (!EVPN_ENABLED(zvrf)) { |
f07e1c99 | 5507 | zlog_warn("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5508 | return; |
ec93aa12 | 5509 | } |
d62a17ae | 5510 | |
1002497a | 5511 | s = msg; |
d62a17ae | 5512 | |
89f4e507 | 5513 | while (l < hdr->length) { |
d62a17ae | 5514 | /* Obtain each remote MACIP and process. */ |
5515 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5516 | * followed by remote VTEP IP. | |
5517 | */ | |
d62a17ae | 5518 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5519 | STREAM_GETL(s, vni); |
5520 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5521 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5522 | if (ipa_len) { |
5523 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5524 | : IPADDR_V6; | |
ec93aa12 | 5525 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5526 | } |
ff8b7eb8 | 5527 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5528 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5529 | l += IPV4_MAX_BYTELEN; |
5530 | ||
ead40654 | 5531 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5532 | STREAM_GETC(s, flags); |
d62a17ae | 5533 | l++; |
f07e1c99 | 5534 | STREAM_GETL(s, seq); |
5535 | l += 4; | |
d62a17ae | 5536 | |
5537 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5538 | zlog_debug( | |
f07e1c99 | 5539 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5540 | vni, | |
d62a17ae | 5541 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5542 | ipa_len ? " IP " : "", |
5543 | ipa_len ? | |
5544 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5545 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5546 | zebra_route_string(client->proto)); |
5547 | ||
f07e1c99 | 5548 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5549 | flags, seq, vtep_ip); | |
d62a17ae | 5550 | } |
5551 | ||
ec93aa12 | 5552 | stream_failure: |
8068a649 | 5553 | return; |
13d60d35 | 5554 | } |
5555 | ||
5556 | /* | |
2232a77c | 5557 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5558 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5559 | * of any prior local MAC. | |
13d60d35 | 5560 | */ |
d62a17ae | 5561 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5562 | struct interface *br_if, | |
5563 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5564 | { |
d62a17ae | 5565 | struct zebra_if *zif; |
d62a17ae | 5566 | struct zebra_l2info_vxlan *vxl; |
5567 | vni_t vni; | |
5568 | zebra_vni_t *zvni; | |
5569 | zebra_mac_t *mac; | |
5570 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5571 | |
d62a17ae | 5572 | zif = ifp->info; |
5573 | assert(zif); | |
5574 | vxl = &zif->l2info.vxl; | |
5575 | vni = vxl->vni; | |
13d60d35 | 5576 | |
2853fed6 | 5577 | /* Check if EVPN is enabled. */ |
5578 | if (!is_evpn_enabled()) | |
d62a17ae | 5579 | return 0; |
13d60d35 | 5580 | |
d62a17ae | 5581 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5582 | zvni = zvni_lookup(vni); |
d62a17ae | 5583 | if (!zvni) |
5584 | return 0; | |
13d60d35 | 5585 | |
d62a17ae | 5586 | /* If entry doesn't exist, nothing to do. */ |
5587 | mac = zvni_mac_lookup(zvni, macaddr); | |
5588 | if (!mac) | |
5589 | return 0; | |
13d60d35 | 5590 | |
d62a17ae | 5591 | /* Is it a local entry? */ |
5592 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5593 | return 0; | |
13d60d35 | 5594 | |
d62a17ae | 5595 | if (IS_ZEBRA_DEBUG_VXLAN) |
5596 | zlog_debug( | |
2853fed6 | 5597 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5598 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5599 | ifp->ifindex, vni); | |
13d60d35 | 5600 | |
d62a17ae | 5601 | /* Remove MAC from BGP. */ |
ead40654 | 5602 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5603 | |
b6938a74 MK |
5604 | /* |
5605 | * If there are no neigh associated with the mac delete the mac | |
5606 | * else mark it as AUTO for forward reference | |
5607 | */ | |
5608 | if (!listcount(mac->neigh_list)) { | |
5609 | zvni_mac_del(zvni, mac); | |
5610 | } else { | |
5611 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5612 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5613 | } | |
13d60d35 | 5614 | |
d62a17ae | 5615 | return 0; |
13d60d35 | 5616 | } |
5617 | ||
5618 | /* | |
2232a77c | 5619 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5620 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5621 | * so the kernel can ageout the entry. | |
13d60d35 | 5622 | */ |
d62a17ae | 5623 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5624 | struct interface *br_if, | |
5625 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5626 | { |
a9a76262 MK |
5627 | struct zebra_if *zif = NULL; |
5628 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5629 | vni_t vni; |
a9a76262 MK |
5630 | zebra_vni_t *zvni = NULL; |
5631 | zebra_l3vni_t *zl3vni = NULL; | |
5632 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5633 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5634 | |
d62a17ae | 5635 | zif = ifp->info; |
5636 | assert(zif); | |
5637 | vxl = &zif->l2info.vxl; | |
5638 | vni = vxl->vni; | |
2232a77c | 5639 | |
2853fed6 | 5640 | /* Check if EVPN is enabled. */ |
5641 | if (!is_evpn_enabled()) | |
d62a17ae | 5642 | return 0; |
2232a77c | 5643 | |
a9a76262 MK |
5644 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5645 | zl3vni = zl3vni_lookup(vni); | |
5646 | if (zl3vni) | |
5647 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5648 | ||
d62a17ae | 5649 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5650 | zvni = zvni_lookup(vni); |
d62a17ae | 5651 | if (!zvni) |
5652 | return 0; | |
13d60d35 | 5653 | |
d62a17ae | 5654 | /* If entry doesn't exist, nothing to do. */ |
5655 | mac = zvni_mac_lookup(zvni, macaddr); | |
5656 | if (!mac) | |
5657 | return 0; | |
2232a77c | 5658 | |
d62a17ae | 5659 | /* Is it a remote entry? */ |
5660 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5661 | return 0; | |
2232a77c | 5662 | |
d62a17ae | 5663 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5664 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5665 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5666 | ifp->ifindex, vni); | |
13d60d35 | 5667 | |
d62a17ae | 5668 | zvni_mac_install(zvni, mac); |
5669 | return 0; | |
13d60d35 | 5670 | } |
5671 | ||
5672 | /* | |
2232a77c | 5673 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5674 | */ |
d62a17ae | 5675 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5676 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5677 | { |
d62a17ae | 5678 | zebra_vni_t *zvni; |
5679 | zebra_mac_t *mac; | |
d62a17ae | 5680 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5681 | |
d62a17ae | 5682 | /* We are interested in MACs only on ports or (port, VLAN) that |
5683 | * map to a VNI. | |
5684 | */ | |
5685 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5686 | if (!zvni) | |
5687 | return 0; | |
5688 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5689 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC DEL", |
5690 | zvni->vni, zvni); | |
d62a17ae | 5691 | return -1; |
5692 | } | |
13d60d35 | 5693 | |
d62a17ae | 5694 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5695 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5696 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5697 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5698 | |
d62a17ae | 5699 | /* If entry doesn't exist, nothing to do. */ |
5700 | mac = zvni_mac_lookup(zvni, macaddr); | |
5701 | if (!mac) | |
5702 | return 0; | |
2232a77c | 5703 | |
d62a17ae | 5704 | /* Is it a local entry? */ |
5705 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5706 | return 0; | |
2232a77c | 5707 | |
b6938a74 | 5708 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5709 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5710 | |
f07e1c99 | 5711 | /* Remove MAC from BGP. */ |
5712 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); | |
5713 | ||
b6938a74 MK |
5714 | /* |
5715 | * If there are no neigh associated with the mac delete the mac | |
5716 | * else mark it as AUTO for forward reference | |
5717 | */ | |
5718 | if (!listcount(mac->neigh_list)) { | |
5719 | zvni_mac_del(zvni, mac); | |
5720 | } else { | |
5721 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5722 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5723 | } | |
2232a77c | 5724 | |
d62a17ae | 5725 | return 0; |
13d60d35 | 5726 | } |
5727 | ||
5728 | /* | |
2232a77c | 5729 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5730 | */ |
d62a17ae | 5731 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5732 | struct interface *br_if, | |
5733 | struct ethaddr *macaddr, vlanid_t vid, | |
d7c0a89a | 5734 | uint8_t sticky) |
d62a17ae | 5735 | { |
5736 | zebra_vni_t *zvni; | |
5737 | zebra_mac_t *mac; | |
d62a17ae | 5738 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5739 | bool mac_sticky = false; |
5740 | bool inform_client = false; | |
5741 | bool upd_neigh = false; | |
d62a17ae | 5742 | |
5743 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5744 | * map to a VNI. | |
5745 | */ | |
5746 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5747 | if (!zvni) { | |
5748 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5749 | zlog_debug( | |
2853fed6 | 5750 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5751 | sticky ? "sticky " : "", | |
d62a17ae | 5752 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5753 | ifp->name, ifp->ifindex, vid); | |
5754 | return 0; | |
5755 | } | |
5756 | ||
5757 | if (!zvni->vxlan_if) { | |
43e52561 QY |
5758 | zlog_warn("VNI %u hash %p doesn't have intf upon local MAC ADD", |
5759 | zvni->vni, zvni); | |
d62a17ae | 5760 | return -1; |
5761 | } | |
5762 | ||
f07e1c99 | 5763 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5764 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5765 | if (!mac) { |
5766 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5767 | zlog_debug( | |
5768 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5769 | sticky ? "sticky " : "", | |
5770 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5771 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5772 | |
f07e1c99 | 5773 | mac = zvni_mac_add(zvni, macaddr); |
5774 | if (!mac) { | |
5775 | flog_err( | |
5776 | ZEBRA_ERR_MAC_ADD_FAILED, | |
5777 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", | |
5778 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5779 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5780 | return -1; | |
5781 | } | |
5782 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5783 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5784 | mac->fwd_info.local.vid = vid; | |
5785 | if (sticky) | |
5786 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5787 | inform_client = true; | |
5788 | ||
5789 | } else { | |
5790 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5791 | zlog_debug( | |
5792 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5793 | sticky ? "sticky " : "", | |
5794 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5795 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5796 | mac->flags); | |
5797 | ||
5798 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5799 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5800 | mac_sticky = true; | |
b6938a74 | 5801 | |
b8ce75a5 | 5802 | /* |
f07e1c99 | 5803 | * Update any changes and if changes are relevant to |
5804 | * BGP, note it. | |
b8ce75a5 | 5805 | */ |
d62a17ae | 5806 | if (mac_sticky == sticky |
5807 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5808 | && mac->fwd_info.local.vid == vid) { | |
5809 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5810 | zlog_debug( | |
2853fed6 | 5811 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5812 | "entry exists and has not changed ", |
d62a17ae | 5813 | sticky ? "sticky " : "", |
5814 | prefix_mac2str(macaddr, buf, | |
5815 | sizeof(buf)), | |
5816 | ifp->name, ifp->ifindex, vid, | |
5817 | zvni->vni); | |
5818 | return 0; | |
b6938a74 | 5819 | } |
f07e1c99 | 5820 | if (mac_sticky != sticky) { |
5821 | if (sticky) | |
5822 | SET_FLAG(mac->flags, | |
5823 | ZEBRA_MAC_STICKY); | |
5824 | else | |
5825 | UNSET_FLAG(mac->flags, | |
5826 | ZEBRA_MAC_STICKY); | |
5827 | inform_client = true; | |
5828 | } | |
5829 | ||
5830 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5831 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5832 | mac->fwd_info.local.vid = vid; | |
5833 | ||
5834 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5835 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5836 | ||
421bb26a | 5837 | /* |
f07e1c99 | 5838 | * MAC has either moved or was "internally" created due |
5839 | * to a neighbor learn and is now actually learnt. If | |
5840 | * it was learnt as a remote sticky MAC, this is an | |
5841 | * operator error. | |
421bb26a | 5842 | */ |
8f4b98ee | 5843 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
421bb26a | 5844 | zlog_warn( |
f07e1c99 | 5845 | "MAC %s already learnt as remote sticky behind VTEP %s VNI %u", |
421bb26a MK |
5846 | prefix_mac2str(macaddr, buf, |
5847 | sizeof(buf)), | |
5848 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5849 | zvni->vni); | |
8f4b98ee MK |
5850 | return 0; |
5851 | } | |
d62a17ae | 5852 | |
f07e1c99 | 5853 | /* If an actual move, compute MAC's seq number */ |
5854 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5855 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5856 | mac->loc_seq); | |
5857 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5858 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5859 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5860 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5861 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5862 | mac->fwd_info.local.vid = vid; | |
5863 | if (sticky) | |
5864 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5865 | else | |
5866 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5867 | /* | |
5868 | * We have to inform BGP of this MAC as well as process | |
5869 | * all neighbors. | |
5870 | */ | |
5871 | inform_client = true; | |
5872 | upd_neigh = true; | |
d62a17ae | 5873 | } |
5874 | } | |
5875 | ||
d62a17ae | 5876 | /* Inform BGP if required. */ |
f07e1c99 | 5877 | if (inform_client) { |
5878 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
5879 | mac->flags, mac->loc_seq)) | |
5880 | return -1; | |
b6938a74 | 5881 | } |
d62a17ae | 5882 | |
f07e1c99 | 5883 | /* Process all neighbors associated with this MAC, if required. */ |
5884 | if (upd_neigh) | |
5885 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
5886 | ||
d62a17ae | 5887 | return 0; |
2232a77c | 5888 | } |
13d60d35 | 5889 | |
5890 | /* | |
5891 | * Handle message from client to delete a remote VTEP for a VNI. | |
5892 | */ | |
89f4e507 | 5893 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5894 | { |
5895 | struct stream *s; | |
d7c0a89a | 5896 | unsigned short l = 0; |
d62a17ae | 5897 | vni_t vni; |
5898 | struct in_addr vtep_ip; | |
5899 | zebra_vni_t *zvni; | |
5900 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5901 | struct interface *ifp; |
5902 | struct zebra_if *zif; | |
d62a17ae | 5903 | |
ec93aa12 | 5904 | if (!is_evpn_enabled()) { |
996c9314 LB |
5905 | zlog_warn( |
5906 | "%s: EVPN is not enabled yet we have received a vtep del command", | |
5907 | __PRETTY_FUNCTION__); | |
8068a649 | 5908 | return; |
ec93aa12 DS |
5909 | } |
5910 | ||
2853fed6 | 5911 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5912 | zlog_warn("Recv MACIP DEL for non-default VRF %u", |
5913 | zvrf_id(zvrf)); | |
8068a649 | 5914 | return; |
2853fed6 | 5915 | } |
5916 | ||
1002497a | 5917 | s = msg; |
d62a17ae | 5918 | |
89f4e507 | 5919 | while (l < hdr->length) { |
d62a17ae | 5920 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5921 | STREAM_GETL(s, vni); |
d62a17ae | 5922 | l += 4; |
ec93aa12 | 5923 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5924 | l += IPV4_MAX_BYTELEN; |
5925 | ||
5926 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5927 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5928 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5929 | zebra_route_string(client->proto)); |
5930 | ||
5931 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5932 | zvni = zvni_lookup(vni); |
d62a17ae | 5933 | if (!zvni) { |
5934 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5935 | zlog_debug( | |
5936 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5937 | "VNI %u", |
5938 | vni); | |
d62a17ae | 5939 | continue; |
5940 | } | |
5941 | ||
b5ebdc9b | 5942 | ifp = zvni->vxlan_if; |
5943 | if (!ifp) { | |
43e52561 | 5944 | zlog_warn( |
60466a63 QY |
5945 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5946 | zvni->vni, zvni); | |
b682f6de | 5947 | continue; |
b5ebdc9b | 5948 | } |
5949 | zif = ifp->info; | |
5950 | ||
5951 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5952 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5953 | continue; |
5954 | ||
d62a17ae | 5955 | /* If the remote VTEP does not exist, there's nothing more to |
5956 | * do. | |
5957 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5958 | * and | |
5959 | * then, the VTEP entry itself and remove it. | |
5960 | */ | |
5961 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5962 | if (!zvtep) | |
5963 | continue; | |
5964 | ||
5965 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5966 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5967 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5968 | zvni_vtep_del(zvni, zvtep); | |
5969 | } | |
5970 | ||
ec93aa12 | 5971 | stream_failure: |
8068a649 | 5972 | return; |
13d60d35 | 5973 | } |
5974 | ||
5975 | /* | |
5976 | * Handle message from client to add a remote VTEP for a VNI. | |
5977 | */ | |
89f4e507 | 5978 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5979 | { |
5980 | struct stream *s; | |
d7c0a89a | 5981 | unsigned short l = 0; |
d62a17ae | 5982 | vni_t vni; |
5983 | struct in_addr vtep_ip; | |
5984 | zebra_vni_t *zvni; | |
b5ebdc9b | 5985 | struct interface *ifp; |
5986 | struct zebra_if *zif; | |
d62a17ae | 5987 | |
ec93aa12 | 5988 | if (!is_evpn_enabled()) { |
996c9314 LB |
5989 | zlog_warn( |
5990 | "%s: EVPN not enabled yet we received a vtep_add zapi call", | |
5991 | __PRETTY_FUNCTION__); | |
8068a649 | 5992 | return; |
ec93aa12 DS |
5993 | } |
5994 | ||
2853fed6 | 5995 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
5996 | zlog_warn("Recv MACIP ADD for non-default VRF %u", |
5997 | zvrf_id(zvrf)); | |
8068a649 | 5998 | return; |
2853fed6 | 5999 | } |
d62a17ae | 6000 | |
1002497a | 6001 | s = msg; |
d62a17ae | 6002 | |
89f4e507 | 6003 | while (l < hdr->length) { |
d62a17ae | 6004 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6005 | STREAM_GETL(s, vni); |
d62a17ae | 6006 | l += 4; |
ec93aa12 | 6007 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6008 | l += IPV4_MAX_BYTELEN; |
6009 | ||
6010 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6011 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6012 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6013 | zebra_route_string(client->proto)); |
6014 | ||
6015 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6016 | zvni = zvni_lookup(vni); |
d62a17ae | 6017 | if (!zvni) { |
af4c2728 | 6018 | flog_err( |
43e52561 | 6019 | ZEBRA_ERR_VTEP_ADD_FAILED, |
2853fed6 | 6020 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6021 | vni); | |
d62a17ae | 6022 | continue; |
6023 | } | |
b5ebdc9b | 6024 | |
6025 | ifp = zvni->vxlan_if; | |
6026 | if (!ifp) { | |
af4c2728 | 6027 | flog_err( |
43e52561 | 6028 | ZEBRA_ERR_VTEP_ADD_FAILED, |
d62a17ae | 6029 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6030 | zvni->vni, zvni); | |
6031 | continue; | |
6032 | } | |
6033 | ||
b5ebdc9b | 6034 | zif = ifp->info; |
d62a17ae | 6035 | |
b5ebdc9b | 6036 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6037 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6038 | continue; |
6039 | ||
b682f6de | 6040 | /* If the remote VTEP already exists, |
6041 | there's nothing more to do. */ | |
b5ebdc9b | 6042 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6043 | continue; |
6044 | ||
6045 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
af4c2728 | 6046 | flog_err(ZEBRA_ERR_VTEP_ADD_FAILED, |
43e52561 QY |
6047 | "Failed to add remote VTEP, VNI %u zvni %p", |
6048 | vni, zvni); | |
d62a17ae | 6049 | continue; |
6050 | } | |
6051 | ||
6052 | zvni_vtep_install(zvni, &vtep_ip); | |
6053 | } | |
6054 | ||
ec93aa12 | 6055 | stream_failure: |
8068a649 | 6056 | return; |
13d60d35 | 6057 | } |
6058 | ||
1a98c087 MK |
6059 | /* |
6060 | * Add/Del gateway macip to evpn | |
6061 | * g/w can be: | |
6062 | * 1. SVI interface on a vlan aware bridge | |
6063 | * 2. SVI interface on a vlan unaware bridge | |
6064 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6065 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6066 | */ | |
6067 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6068 | int add) | |
6069 | { | |
6070 | struct ipaddr ip; | |
6071 | struct ethaddr macaddr; | |
6072 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6073 | |
6074 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6075 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6076 | ||
2853fed6 | 6077 | /* Check if EVPN is enabled. */ |
6078 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6079 | return 0; |
6080 | ||
1a98c087 MK |
6081 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6082 | struct interface *svi_if = | |
6083 | NULL; /* SVI corresponding to the MACVLAN */ | |
6084 | struct zebra_if *ifp_zif = | |
6085 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6086 | struct zebra_if *svi_if_zif = | |
6087 | NULL; /* Zebra daemon specific info for SVI*/ | |
6088 | ||
6089 | ifp_zif = ifp->info; | |
6090 | if (!ifp_zif) | |
6091 | return -1; | |
6092 | ||
71349e03 MK |
6093 | /* |
6094 | * for a MACVLAN interface the link represents the svi_if | |
6095 | */ | |
6096 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6097 | ifp_zif->link_ifindex); | |
1a98c087 | 6098 | if (!svi_if) { |
43e52561 QY |
6099 | zlog_warn("MACVLAN %s(%u) without link information", |
6100 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6101 | return -1; |
6102 | } | |
6103 | ||
6104 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6105 | /* |
6106 | * If it is a vlan aware bridge then the link gives the | |
6107 | * bridge information | |
6108 | */ | |
6109 | struct interface *svi_if_link = NULL; | |
6110 | ||
1a98c087 | 6111 | svi_if_zif = svi_if->info; |
71349e03 MK |
6112 | if (svi_if_zif) { |
6113 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6114 | zebra_ns_lookup(NS_DEFAULT), |
6115 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6116 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6117 | } |
1a98c087 | 6118 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6119 | /* |
6120 | * If it is a vlan unaware bridge then svi is the bridge | |
6121 | * itself | |
6122 | */ | |
b7cfce93 | 6123 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6124 | } |
6125 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6126 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6127 | NULL; /* Zebra daemon specific info for SVI */ |
6128 | struct interface *svi_if_link = | |
6129 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6130 | |
6131 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6132 | if (svi_if_zif) { |
6133 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6134 | zebra_ns_lookup(NS_DEFAULT), |
6135 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6136 | if (svi_if_link) |
6137 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6138 | } | |
1a98c087 | 6139 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6140 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6141 | } |
6142 | ||
6143 | if (!zvni) | |
6144 | return 0; | |
6145 | ||
6146 | if (!zvni->vxlan_if) { | |
43e52561 QY |
6147 | zlog_warn("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6148 | zvni->vni, zvni); | |
1a98c087 MK |
6149 | return -1; |
6150 | } | |
6151 | ||
1a98c087 | 6152 | |
1a98c087 MK |
6153 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6154 | ||
6155 | if (p->family == AF_INET) { | |
6156 | ip.ipa_type = IPADDR_V4; | |
6157 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6158 | sizeof(struct in_addr)); | |
6159 | } else if (p->family == AF_INET6) { | |
6160 | ip.ipa_type = IPADDR_V6; | |
6161 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6162 | sizeof(struct in6_addr)); | |
6163 | } | |
6164 | ||
6165 | ||
6166 | if (add) | |
6167 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6168 | else | |
6169 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6170 | ||
6171 | return 0; | |
6172 | } | |
6173 | ||
2232a77c | 6174 | /* |
b7cfce93 MK |
6175 | * Handle SVI interface going down. |
6176 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6177 | * For L2-VNI: At this point, this is a NOP since | |
6178 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6179 | * We only need to update the vrf corresponding to zvni. | |
6180 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6181 | * from bgp | |
2232a77c | 6182 | */ |
d62a17ae | 6183 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6184 | { |
b7cfce93 MK |
6185 | zebra_l3vni_t *zl3vni = NULL; |
6186 | ||
6187 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6188 | if (zl3vni) { | |
6189 | ||
6190 | /* process l3-vni down */ | |
6191 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6192 | ||
6193 | /* remove association with svi-if */ | |
6194 | zl3vni->svi_if = NULL; | |
6195 | } else { | |
6196 | zebra_vni_t *zvni = NULL; | |
6197 | ||
6198 | /* since we dont have svi corresponding to zvni, we associate it | |
6199 | * to default vrf. Note: the corresponding neigh entries on the | |
6200 | * SVI would have already been deleted */ | |
6201 | zvni = zvni_from_svi(ifp, link_if); | |
6202 | if (zvni) { | |
6203 | zvni->vrf_id = VRF_DEFAULT; | |
6204 | ||
6205 | /* update the tenant vrf in BGP */ | |
6206 | zvni_send_add_to_client(zvni); | |
6207 | } | |
6208 | } | |
d62a17ae | 6209 | return 0; |
2232a77c | 6210 | } |
6211 | ||
6212 | /* | |
b7cfce93 MK |
6213 | * Handle SVI interface coming up. |
6214 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6215 | * vxlan intf). | |
6216 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6217 | * apr-suppression) | |
6218 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6219 | */ |
d62a17ae | 6220 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6221 | { |
b7cfce93 MK |
6222 | zebra_vni_t *zvni = NULL; |
6223 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6224 | |
b7cfce93 MK |
6225 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6226 | if (zl3vni) { | |
2232a77c | 6227 | |
b7cfce93 MK |
6228 | /* associate with svi */ |
6229 | zl3vni->svi_if = ifp; | |
2232a77c | 6230 | |
b7cfce93 MK |
6231 | /* process oper-up */ |
6232 | if (is_l3vni_oper_up(zl3vni)) | |
6233 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6234 | } else { | |
6235 | ||
6236 | /* process SVI up for l2-vni */ | |
6237 | struct neigh_walk_ctx n_wctx; | |
6238 | ||
6239 | zvni = zvni_from_svi(ifp, link_if); | |
6240 | if (!zvni) | |
6241 | return 0; | |
6242 | ||
6243 | if (!zvni->vxlan_if) { | |
43e52561 QY |
6244 | zlog_warn( |
6245 | "VNI %u hash %p doesn't have intf upon SVI up", | |
6246 | zvni->vni, zvni); | |
b7cfce93 MK |
6247 | return -1; |
6248 | } | |
6249 | ||
6250 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6251 | zlog_debug( |
6252 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6253 | ifp->name, ifp->ifindex, zvni->vni, | |
6254 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6255 | |
b7cfce93 MK |
6256 | /* update the vrf information for l2-vni and inform bgp */ |
6257 | zvni->vrf_id = ifp->vrf_id; | |
6258 | zvni_send_add_to_client(zvni); | |
6259 | ||
6260 | /* Install any remote neighbors for this VNI. */ | |
6261 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6262 | n_wctx.zvni = zvni; | |
996c9314 | 6263 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6264 | &n_wctx); |
6265 | } | |
2232a77c | 6266 | |
d62a17ae | 6267 | return 0; |
2232a77c | 6268 | } |
6269 | ||
13d60d35 | 6270 | /* |
b7cfce93 | 6271 | * Handle VxLAN interface down |
13d60d35 | 6272 | */ |
d62a17ae | 6273 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6274 | { |
d62a17ae | 6275 | vni_t vni; |
b7cfce93 MK |
6276 | struct zebra_if *zif = NULL; |
6277 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6278 | zebra_l3vni_t *zl3vni = NULL; |
6279 | zebra_vni_t *zvni; | |
13d60d35 | 6280 | |
2853fed6 | 6281 | /* Check if EVPN is enabled. */ |
6282 | if (!is_evpn_enabled()) | |
d62a17ae | 6283 | return 0; |
13d60d35 | 6284 | |
d62a17ae | 6285 | zif = ifp->info; |
6286 | assert(zif); | |
6287 | vxl = &zif->l2info.vxl; | |
6288 | vni = vxl->vni; | |
13d60d35 | 6289 | |
643215ce | 6290 | zl3vni = zl3vni_lookup(vni); |
6291 | if (zl3vni) { | |
b7cfce93 | 6292 | /* process-if-down for l3-vni */ |
b7cfce93 | 6293 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6294 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6295 | ifp->ifindex, vni); | |
b7cfce93 | 6296 | |
b7cfce93 | 6297 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6298 | } else { |
6299 | /* process if-down for l2-vni */ | |
b7cfce93 | 6300 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6301 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6302 | ifp->ifindex, vni); | |
13d60d35 | 6303 | |
b7cfce93 MK |
6304 | /* Locate hash entry; it is expected to exist. */ |
6305 | zvni = zvni_lookup(vni); | |
6306 | if (!zvni) { | |
43e52561 | 6307 | zlog_warn( |
b7cfce93 MK |
6308 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6309 | ifp->name, ifp->ifindex, vni); | |
6310 | return -1; | |
6311 | } | |
13d60d35 | 6312 | |
b7cfce93 | 6313 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6314 | |
b7cfce93 MK |
6315 | /* Delete this VNI from BGP. */ |
6316 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6317 | |
b7cfce93 MK |
6318 | /* Free up all neighbors and MACs, if any. */ |
6319 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6320 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6321 | |
b7cfce93 MK |
6322 | /* Free up all remote VTEPs, if any. */ |
6323 | zvni_vtep_del_all(zvni, 1); | |
6324 | } | |
d62a17ae | 6325 | return 0; |
13d60d35 | 6326 | } |
6327 | ||
6328 | /* | |
6329 | * Handle VxLAN interface up - update BGP if required. | |
6330 | */ | |
d62a17ae | 6331 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6332 | { |
d62a17ae | 6333 | vni_t vni; |
b7cfce93 MK |
6334 | struct zebra_if *zif = NULL; |
6335 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6336 | zebra_vni_t *zvni = NULL; |
6337 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6338 | |
2853fed6 | 6339 | /* Check if EVPN is enabled. */ |
6340 | if (!is_evpn_enabled()) | |
d62a17ae | 6341 | return 0; |
13d60d35 | 6342 | |
d62a17ae | 6343 | zif = ifp->info; |
6344 | assert(zif); | |
6345 | vxl = &zif->l2info.vxl; | |
6346 | vni = vxl->vni; | |
13d60d35 | 6347 | |
643215ce | 6348 | zl3vni = zl3vni_lookup(vni); |
6349 | if (zl3vni) { | |
13d60d35 | 6350 | |
b7cfce93 | 6351 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6352 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6353 | ifp->ifindex, vni); | |
13d60d35 | 6354 | |
b7cfce93 | 6355 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6356 | * svi-if only after association with vxlan-intf is complete |
6357 | */ | |
b7cfce93 MK |
6358 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6359 | ||
6360 | if (is_l3vni_oper_up(zl3vni)) | |
6361 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6362 | } else { | |
6363 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6364 | struct interface *vlan_if = NULL; |
6365 | ||
6366 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6367 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6368 | ifp->ifindex, vni); | |
b7cfce93 MK |
6369 | |
6370 | /* Locate hash entry; it is expected to exist. */ | |
6371 | zvni = zvni_lookup(vni); | |
6372 | if (!zvni) { | |
43e52561 | 6373 | zlog_warn( |
b7cfce93 MK |
6374 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6375 | ifp->name, ifp->ifindex, vni); | |
6376 | return -1; | |
6377 | } | |
6378 | ||
6379 | assert(zvni->vxlan_if == ifp); | |
6380 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6381 | zif->brslave_info.br_if); | |
6382 | if (vlan_if) { | |
6383 | zvni->vrf_id = vlan_if->vrf_id; | |
6384 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6385 | if (zl3vni) | |
6386 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6387 | } | |
6388 | ||
6389 | /* If part of a bridge, inform BGP about this VNI. */ | |
6390 | /* Also, read and populate local MACs and neighbors. */ | |
6391 | if (zif->brslave_info.br_if) { | |
6392 | zvni_send_add_to_client(zvni); | |
6393 | zvni_read_mac_neigh(zvni, ifp); | |
6394 | } | |
d62a17ae | 6395 | } |
13d60d35 | 6396 | |
d62a17ae | 6397 | return 0; |
13d60d35 | 6398 | } |
6399 | ||
6400 | /* | |
6401 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6402 | * and update BGP, if required. | |
6403 | */ | |
d62a17ae | 6404 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6405 | { |
d62a17ae | 6406 | vni_t vni; |
b7cfce93 MK |
6407 | struct zebra_if *zif = NULL; |
6408 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6409 | zebra_vni_t *zvni = NULL; |
6410 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6411 | |
2853fed6 | 6412 | /* Check if EVPN is enabled. */ |
6413 | if (!is_evpn_enabled()) | |
d62a17ae | 6414 | return 0; |
13d60d35 | 6415 | |
d62a17ae | 6416 | zif = ifp->info; |
6417 | assert(zif); | |
6418 | vxl = &zif->l2info.vxl; | |
6419 | vni = vxl->vni; | |
13d60d35 | 6420 | |
643215ce | 6421 | zl3vni = zl3vni_lookup(vni); |
6422 | if (zl3vni) { | |
b7cfce93 MK |
6423 | |
6424 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6425 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6426 | ifp->ifindex); | |
13d60d35 | 6427 | |
b7cfce93 MK |
6428 | /* process oper-down for l3-vni */ |
6429 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6430 | |
b7cfce93 | 6431 | /* remove the association with vxlan_if */ |
b67a60d2 | 6432 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6433 | zl3vni->vxlan_if = NULL; |
6434 | } else { | |
13d60d35 | 6435 | |
b7cfce93 | 6436 | /* process if-del for l2-vni*/ |
b7cfce93 | 6437 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6438 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6439 | ifp->ifindex); | |
b7cfce93 MK |
6440 | |
6441 | /* Locate hash entry; it is expected to exist. */ | |
6442 | zvni = zvni_lookup(vni); | |
6443 | if (!zvni) { | |
43e52561 | 6444 | zlog_warn( |
b7cfce93 MK |
6445 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6446 | ifp->name, ifp->ifindex, vni); | |
6447 | return 0; | |
6448 | } | |
6449 | ||
6450 | /* remove from l3-vni list */ | |
6451 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6452 | if (zl3vni) | |
6453 | listnode_delete(zl3vni->l2vnis, zvni); | |
6454 | ||
6455 | /* Delete VNI from BGP. */ | |
6456 | zvni_send_del_to_client(zvni->vni); | |
6457 | ||
6458 | /* Free up all neighbors and MAC, if any. */ | |
6459 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6460 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6461 | ||
6462 | /* Free up all remote VTEPs, if any. */ | |
6463 | zvni_vtep_del_all(zvni, 0); | |
6464 | ||
6465 | /* Delete the hash entry. */ | |
6466 | if (zvni_del(zvni)) { | |
af4c2728 | 6467 | flog_err(ZEBRA_ERR_VNI_DEL_FAILED, |
43e52561 QY |
6468 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6469 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6470 | return -1; |
6471 | } | |
d62a17ae | 6472 | } |
d62a17ae | 6473 | return 0; |
13d60d35 | 6474 | } |
6475 | ||
6476 | /* | |
6477 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6478 | */ | |
d7c0a89a | 6479 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6480 | { |
d62a17ae | 6481 | vni_t vni; |
b7cfce93 MK |
6482 | struct zebra_if *zif = NULL; |
6483 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6484 | zebra_vni_t *zvni = NULL; |
6485 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6486 | |
2853fed6 | 6487 | /* Check if EVPN is enabled. */ |
6488 | if (!is_evpn_enabled()) | |
d62a17ae | 6489 | return 0; |
6490 | ||
6491 | zif = ifp->info; | |
6492 | assert(zif); | |
6493 | vxl = &zif->l2info.vxl; | |
6494 | vni = vxl->vni; | |
6495 | ||
643215ce | 6496 | zl3vni = zl3vni_lookup(vni); |
6497 | if (zl3vni) { | |
af026ae4 | 6498 | |
b7cfce93 MK |
6499 | if (IS_ZEBRA_DEBUG_VXLAN) |
6500 | zlog_debug( | |
6501 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6502 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6503 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6504 | zif->brslave_info.bridge_ifindex, chgflags); |
6505 | ||
6506 | /* Removed from bridge? Cleanup and return */ | |
6507 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6508 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6509 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6510 | return 0; | |
6511 | } | |
6512 | ||
6513 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6514 | * svi_if and then process oper up again |
6515 | */ | |
b7cfce93 MK |
6516 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6517 | if (if_is_operative(ifp)) { | |
6518 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6519 | zl3vni->svi_if = NULL; | |
6520 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6521 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6522 | if (is_l3vni_oper_up(zl3vni)) |
6523 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6524 | zl3vni); |
b7cfce93 MK |
6525 | } |
6526 | } | |
d62a17ae | 6527 | |
12eeac84 MK |
6528 | /* |
6529 | * local-ip change - process oper down, associate with new | |
6530 | * local-ip and then process oper up again | |
6531 | */ | |
6532 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6533 | if (if_is_operative(ifp)) { | |
6534 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6535 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6536 | if (is_l3vni_oper_up(zl3vni)) | |
6537 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6538 | zl3vni); |
12eeac84 MK |
6539 | } |
6540 | } | |
6541 | ||
bca63dc8 MK |
6542 | /* Update local tunnel IP. */ |
6543 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6544 | ||
12eeac84 MK |
6545 | /* if we have a valid new master, process l3-vni oper up */ |
6546 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6547 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6548 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6549 | } | |
6550 | } else { | |
d62a17ae | 6551 | |
b7cfce93 MK |
6552 | /* Update VNI hash. */ |
6553 | zvni = zvni_lookup(vni); | |
6554 | if (!zvni) { | |
43e52561 | 6555 | zlog_warn( |
b7cfce93 MK |
6556 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6557 | ifp->name, ifp->ifindex, vni); | |
6558 | return -1; | |
6559 | } | |
d62a17ae | 6560 | |
b7cfce93 MK |
6561 | if (IS_ZEBRA_DEBUG_VXLAN) |
6562 | zlog_debug( | |
6563 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6564 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6565 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6566 | zif->brslave_info.bridge_ifindex, chgflags); |
6567 | ||
6568 | /* Removed from bridge? Cleanup and return */ | |
6569 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6570 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6571 | /* Delete from client, remove all remote VTEPs */ | |
6572 | /* Also, free up all MACs and neighbors. */ | |
6573 | zvni_send_del_to_client(zvni->vni); | |
6574 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6575 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6576 | zvni_vtep_del_all(zvni, 1); | |
6577 | return 0; | |
6578 | } | |
d62a17ae | 6579 | |
b7cfce93 MK |
6580 | /* Handle other changes. */ |
6581 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6582 | /* Remove all existing local neigh and MACs for this VNI | |
6583 | * (including from BGP) | |
6584 | */ | |
6585 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6586 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6587 | } | |
d62a17ae | 6588 | |
b7cfce93 MK |
6589 | zvni->local_vtep_ip = vxl->vtep_ip; |
6590 | zvni->vxlan_if = ifp; | |
d62a17ae | 6591 | |
b7cfce93 MK |
6592 | /* Take further actions needed. |
6593 | * Note that if we are here, there is a change of interest. | |
6594 | */ | |
6595 | /* If down or not mapped to a bridge, we're done. */ | |
6596 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6597 | return 0; | |
d62a17ae | 6598 | |
b7cfce93 MK |
6599 | /* Inform BGP, if there is a change of interest. */ |
6600 | if (chgflags | |
6601 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6602 | zvni_send_add_to_client(zvni); | |
6603 | ||
6604 | /* If there is a valid new master or a VLAN mapping change, | |
6605 | * read and populate local MACs and neighbors. | |
6606 | * Also, reinstall any remote MACs and neighbors | |
6607 | * for this VNI (based on new VLAN). | |
6608 | */ | |
6609 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6610 | zvni_read_mac_neigh(zvni, ifp); | |
6611 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6612 | struct mac_walk_ctx m_wctx; | |
6613 | struct neigh_walk_ctx n_wctx; | |
6614 | ||
6615 | zvni_read_mac_neigh(zvni, ifp); | |
6616 | ||
6617 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6618 | m_wctx.zvni = zvni; | |
996c9314 | 6619 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6620 | &m_wctx); |
6621 | ||
6622 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6623 | n_wctx.zvni = zvni; | |
6624 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6625 | &n_wctx); | |
6626 | } | |
d62a17ae | 6627 | } |
6628 | ||
6629 | return 0; | |
13d60d35 | 6630 | } |
6631 | ||
6632 | /* | |
6633 | * Handle VxLAN interface add. | |
6634 | */ | |
d62a17ae | 6635 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6636 | { |
d62a17ae | 6637 | vni_t vni; |
b7cfce93 MK |
6638 | struct zebra_if *zif = NULL; |
6639 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6640 | zebra_vni_t *zvni = NULL; |
6641 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6642 | |
2853fed6 | 6643 | /* Check if EVPN is enabled. */ |
6644 | if (!is_evpn_enabled()) | |
d62a17ae | 6645 | return 0; |
13d60d35 | 6646 | |
d62a17ae | 6647 | zif = ifp->info; |
6648 | assert(zif); | |
6649 | vxl = &zif->l2info.vxl; | |
6650 | vni = vxl->vni; | |
13d60d35 | 6651 | |
643215ce | 6652 | zl3vni = zl3vni_lookup(vni); |
6653 | if (zl3vni) { | |
13d60d35 | 6654 | |
b7cfce93 | 6655 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6656 | if (IS_ZEBRA_DEBUG_VXLAN) |
6657 | zlog_debug( | |
6658 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6659 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6660 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6661 | zif->brslave_info.bridge_ifindex); |
6662 | ||
b7cfce93 | 6663 | /* associate with vxlan_if */ |
b67a60d2 | 6664 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6665 | zl3vni->vxlan_if = ifp; |
6666 | ||
6667 | /* Associate with SVI, if any. We can associate with svi-if only | |
6668 | * after association with vxlan_if is complete */ | |
6669 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6670 | ||
6671 | if (is_l3vni_oper_up(zl3vni)) | |
6672 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6673 | } else { | |
6674 | ||
6675 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6676 | struct interface *vlan_if = NULL; |
6677 | ||
6678 | /* Create or update VNI hash. */ | |
6679 | zvni = zvni_lookup(vni); | |
6680 | if (!zvni) { | |
6681 | zvni = zvni_add(vni); | |
6682 | if (!zvni) { | |
af4c2728 | 6683 | flog_err( |
43e52561 | 6684 | ZEBRA_ERR_VNI_ADD_FAILED, |
b7cfce93 MK |
6685 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6686 | ifp->name, ifp->ifindex, vni); | |
6687 | return -1; | |
6688 | } | |
6689 | } | |
6690 | ||
6691 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6692 | zvni->vxlan_if = ifp; | |
6693 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6694 | zif->brslave_info.br_if); | |
6695 | if (vlan_if) { | |
6696 | zvni->vrf_id = vlan_if->vrf_id; | |
6697 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6698 | if (zl3vni) | |
6699 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6700 | } | |
6701 | ||
6702 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6703 | zlog_debug( | |
6704 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6705 | vni, | |
996c9314 LB |
6706 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6707 | : "Default", | |
6708 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6709 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6710 | zif->brslave_info.bridge_ifindex); |
6711 | ||
6712 | /* If down or not mapped to a bridge, we're done. */ | |
6713 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6714 | return 0; | |
6715 | ||
6716 | /* Inform BGP */ | |
6717 | zvni_send_add_to_client(zvni); | |
6718 | ||
6719 | /* Read and populate local MACs and neighbors */ | |
6720 | zvni_read_mac_neigh(zvni, ifp); | |
6721 | } | |
6722 | ||
6723 | return 0; | |
6724 | } | |
6725 | ||
996c9314 LB |
6726 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6727 | char *err, int err_str_sz, int filter, | |
6728 | int add) | |
b7cfce93 MK |
6729 | { |
6730 | zebra_l3vni_t *zl3vni = NULL; | |
6731 | struct zebra_vrf *zvrf_default = NULL; | |
6732 | ||
6733 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6734 | if (!zvrf_default) | |
6735 | return -1; | |
6736 | ||
6737 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6738 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6739 | add ? "ADD" : "DEL"); |
6740 | ||
6741 | if (add) { | |
6742 | ||
6743 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6744 | ||
6745 | /* check if the vni is already present under zvrf */ | |
6746 | if (zvrf->l3vni) { | |
3f02fbab | 6747 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6748 | "VNI is already configured under the vrf"); |
6749 | return -1; | |
6750 | } | |
6751 | ||
6752 | /* check if this VNI is already present in the system */ | |
6753 | zl3vni = zl3vni_lookup(vni); | |
6754 | if (zl3vni) { | |
3f02fbab | 6755 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6756 | "VNI is already configured as L3-VNI"); |
6757 | return -1; | |
6758 | } | |
6759 | ||
6760 | /* add the L3-VNI to the global table */ | |
6761 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6762 | if (!zl3vni) { | |
996c9314 | 6763 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6764 | return -1; |
6765 | } | |
6766 | ||
6767 | /* associate the vrf with vni */ | |
6768 | zvrf->l3vni = vni; | |
6769 | ||
c48d9f5f MK |
6770 | /* set the filter in l3vni to denote if we are using l3vni only |
6771 | * for prefix routes | |
6772 | */ | |
6773 | if (filter) | |
6774 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6775 | ||
b7cfce93 | 6776 | /* associate with vxlan-intf; |
523cafc4 | 6777 | * we need to associate with the vxlan-intf first |
6778 | */ | |
b7cfce93 MK |
6779 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6780 | ||
6781 | /* associate with corresponding SVI interface, we can associate | |
6782 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6783 | * complete |
6784 | */ | |
b7cfce93 MK |
6785 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6786 | ||
6787 | /* formulate l2vni list */ | |
996c9314 LB |
6788 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6789 | zl3vni); | |
b7cfce93 MK |
6790 | |
6791 | if (is_l3vni_oper_up(zl3vni)) | |
6792 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6793 | ||
6794 | } else { | |
6795 | zl3vni = zl3vni_lookup(vni); | |
6796 | if (!zl3vni) { | |
3f02fbab | 6797 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6798 | return -1; |
6799 | } | |
b7cfce93 | 6800 | |
cf299714 MK |
6801 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6802 | snprintf(err, ERR_STR_SZ, | |
6803 | "prefix-routes-only is not set for the vni"); | |
6804 | return -1; | |
6805 | } | |
6806 | ||
b7cfce93 MK |
6807 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6808 | ||
5e06422c | 6809 | /* delete and uninstall all rmacs */ |
996c9314 | 6810 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6811 | zl3vni); |
6812 | ||
6813 | /* delete and uninstall all next-hops */ | |
996c9314 | 6814 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6815 | zl3vni); |
6816 | ||
b7cfce93 MK |
6817 | zvrf->l3vni = 0; |
6818 | zl3vni_del(zl3vni); | |
6819 | ||
6820 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6821 | } |
b7cfce93 MK |
6822 | return 0; |
6823 | } | |
13d60d35 | 6824 | |
84915b0a | 6825 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6826 | { | |
6827 | zebra_l3vni_t *zl3vni = NULL; | |
6828 | ||
6829 | if (zvrf->l3vni) | |
6830 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6831 | if (!zl3vni) | |
6832 | return 0; | |
6833 | ||
6834 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6835 | if (is_l3vni_oper_up(zl3vni)) | |
6836 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6837 | return 0; | |
6838 | } | |
6839 | ||
6840 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6841 | { |
6842 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6843 | |
84915b0a | 6844 | if (zvrf->l3vni) |
6845 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6846 | if (!zl3vni) |
d62a17ae | 6847 | return 0; |
13d60d35 | 6848 | |
84915b0a | 6849 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6850 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6851 | return 0; |
6852 | } | |
6853 | ||
6854 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6855 | { | |
6856 | zebra_l3vni_t *zl3vni = NULL; | |
6857 | vni_t vni; | |
6858 | ||
6859 | if (zvrf->l3vni) | |
6860 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6861 | if (!zl3vni) | |
6862 | return 0; | |
6863 | ||
6864 | vni = zl3vni->vni; | |
b7cfce93 | 6865 | zl3vni_del(zl3vni); |
84915b0a | 6866 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6867 | |
d62a17ae | 6868 | return 0; |
13d60d35 | 6869 | } |
6870 | ||
31310b25 MK |
6871 | /* |
6872 | * Handle message from client to enable/disable advertisement of g/w macip | |
6873 | * routes | |
6874 | */ | |
89f4e507 | 6875 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6876 | { |
6877 | struct stream *s; | |
6878 | int advertise; | |
6879 | vni_t vni = 0; | |
6880 | zebra_vni_t *zvni = NULL; | |
6881 | struct interface *ifp = NULL; | |
6882 | struct zebra_if *zif = NULL; | |
6883 | struct zebra_l2info_vxlan zl2_info; | |
6884 | struct interface *vlan_if = NULL; | |
6885 | ||
6886 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
43e52561 QY |
6887 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6888 | zvrf_id(zvrf)); | |
8068a649 | 6889 | return; |
31310b25 MK |
6890 | } |
6891 | ||
1002497a | 6892 | s = msg; |
2017b3ea | 6893 | STREAM_GETC(s, advertise); |
31310b25 MK |
6894 | vni = stream_get3(s); |
6895 | ||
6896 | zvni = zvni_lookup(vni); | |
6897 | if (!zvni) | |
8068a649 | 6898 | return; |
31310b25 MK |
6899 | |
6900 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6901 | return; |
31310b25 MK |
6902 | |
6903 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6904 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6905 | advertise ? "enabled" : "disabled", vni, | |
6906 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6907 | |
6908 | ||
6909 | zvni->advertise_subnet = advertise; | |
6910 | ||
6911 | ifp = zvni->vxlan_if; | |
6912 | if (!ifp) | |
8068a649 | 6913 | return; |
31310b25 MK |
6914 | |
6915 | zif = ifp->info; | |
6916 | ||
6917 | /* If down or not mapped to a bridge, we're done. */ | |
6918 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6919 | return; |
31310b25 MK |
6920 | |
6921 | zl2_info = zif->l2info.vxl; | |
6922 | ||
996c9314 LB |
6923 | vlan_if = |
6924 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6925 | if (!vlan_if) |
8068a649 | 6926 | return; |
31310b25 MK |
6927 | |
6928 | if (zvni->advertise_subnet) | |
6929 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6930 | else | |
6931 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6932 | |
6933 | stream_failure: | |
6934 | return; | |
31310b25 MK |
6935 | } |
6936 | ||
1a98c087 MK |
6937 | /* |
6938 | * Handle message from client to enable/disable advertisement of g/w macip | |
6939 | * routes | |
6940 | */ | |
89f4e507 | 6941 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6942 | { |
6943 | struct stream *s; | |
6944 | int advertise; | |
6945 | vni_t vni = 0; | |
6946 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6947 | struct interface *ifp = NULL; |
1a98c087 | 6948 | |
2853fed6 | 6949 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 QY |
6950 | zlog_warn("EVPN GW-MACIP Adv for non-default VRF %u", |
6951 | zvrf_id(zvrf)); | |
8068a649 | 6952 | return; |
2853fed6 | 6953 | } |
6954 | ||
1002497a | 6955 | s = msg; |
ec93aa12 | 6956 | STREAM_GETC(s, advertise); |
cc6d5476 | 6957 | STREAM_GETL(s, vni); |
1a98c087 MK |
6958 | |
6959 | if (!vni) { | |
6960 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6961 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6962 | advertise ? "enabled" : "disabled", |
2853fed6 | 6963 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6964 | ? "enabled" |
6965 | : "disabled"); | |
6966 | ||
6967 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6968 | return; |
1a98c087 MK |
6969 | |
6970 | zvrf->advertise_gw_macip = advertise; | |
6971 | ||
2853fed6 | 6972 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6973 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6974 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6975 | else |
6976 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6977 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6978 | |
6979 | } else { | |
6980 | struct zebra_if *zif = NULL; | |
6981 | struct zebra_l2info_vxlan zl2_info; | |
6982 | struct interface *vlan_if = NULL; | |
6983 | struct interface *vrr_if = NULL; | |
6984 | ||
01a6143b MK |
6985 | zvni = zvni_lookup(vni); |
6986 | if (!zvni) | |
124ead27 | 6987 | return; |
01a6143b | 6988 | |
1a98c087 MK |
6989 | if (IS_ZEBRA_DEBUG_VXLAN) |
6990 | zlog_debug( | |
2853fed6 | 6991 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6992 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6993 | advertise_gw_macip_enabled(zvni) ? "enabled" |
6994 | : "disabled"); | |
1a98c087 | 6995 | |
1a98c087 | 6996 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 6997 | return; |
1a98c087 MK |
6998 | |
6999 | zvni->advertise_gw_macip = advertise; | |
7000 | ||
b5ebdc9b | 7001 | ifp = zvni->vxlan_if; |
7002 | if (!ifp) | |
8068a649 | 7003 | return; |
b5ebdc9b | 7004 | |
7005 | zif = ifp->info; | |
7006 | ||
7007 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7008 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7009 | return; |
b5ebdc9b | 7010 | |
1a98c087 MK |
7011 | zl2_info = zif->l2info.vxl; |
7012 | ||
2853fed6 | 7013 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7014 | zif->brslave_info.br_if); |
7015 | if (!vlan_if) | |
8068a649 | 7016 | return; |
1a98c087 | 7017 | |
2853fed6 | 7018 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7019 | /* Add primary SVI MAC-IP */ |
7020 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7021 | ||
7022 | /* Add VRR MAC-IP - if any*/ | |
7023 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7024 | if (vrr_if) | |
7025 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7026 | } else { | |
7027 | /* Del primary MAC-IP */ | |
7028 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7029 | ||
7030 | /* Del VRR MAC-IP - if any*/ | |
7031 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7032 | if (vrr_if) | |
7033 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7034 | } | |
7035 | } | |
7036 | ||
ec93aa12 | 7037 | stream_failure: |
8068a649 | 7038 | return; |
1a98c087 MK |
7039 | } |
7040 | ||
7041 | ||
13d60d35 | 7042 | /* |
7043 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7044 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7045 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7046 | * uninstalled from the kernel. | |
7047 | */ | |
89f4e507 | 7048 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7049 | { |
655b04d1 MK |
7050 | struct stream *s = NULL; |
7051 | int advertise = 0; | |
7052 | struct zebra_ns *zns = NULL; | |
13d60d35 | 7053 | |
2853fed6 | 7054 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
43e52561 | 7055 | zlog_warn("EVPN VNI Adv for non-default VRF %u", zvrf_id(zvrf)); |
8068a649 | 7056 | return; |
2853fed6 | 7057 | } |
7058 | ||
1002497a | 7059 | s = msg; |
ec93aa12 | 7060 | STREAM_GETC(s, advertise); |
13d60d35 | 7061 | |
d62a17ae | 7062 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7063 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 7064 | advertise ? "enabled" : "disabled", |
2853fed6 | 7065 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 7066 | |
d62a17ae | 7067 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7068 | return; |
13d60d35 | 7069 | |
d62a17ae | 7070 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7071 | if (is_evpn_enabled()) { |
d62a17ae | 7072 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7073 | zvni_build_hash_table(); |
2232a77c | 7074 | |
1a98c087 MK |
7075 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7076 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7077 | NULL); |
1a98c087 | 7078 | |
d62a17ae | 7079 | /* Read the MAC FDB */ |
7080 | macfdb_read(zvrf->zns); | |
2232a77c | 7081 | |
d62a17ae | 7082 | /* Read neighbors */ |
7083 | neigh_read(zvrf->zns); | |
7084 | } else { | |
7085 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7086 | * kernel and free entries. | |
7087 | */ | |
7088 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7089 | |
7090 | /* cleanup all l3vnis */ | |
7091 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7092 | if (!zns) | |
8068a649 | 7093 | return; |
655b04d1 MK |
7094 | |
7095 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 7096 | } |
13d60d35 | 7097 | |
ec93aa12 | 7098 | stream_failure: |
8068a649 | 7099 | return; |
13d60d35 | 7100 | } |
7101 | ||
7102 | /* | |
7103 | * Allocate VNI hash table for this VRF and do other initialization. | |
7104 | * NOTE: Currently supported only for default VRF. | |
7105 | */ | |
d62a17ae | 7106 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7107 | { |
d62a17ae | 7108 | if (!zvrf) |
7109 | return; | |
7110 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7111 | "Zebra VRF VNI Table"); | |
13d60d35 | 7112 | } |
7113 | ||
84915b0a | 7114 | /* Cleanup VNI info, but don't free the table. */ |
7115 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7116 | { | |
7117 | if (!zvrf) | |
7118 | return; | |
7119 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7120 | } | |
7121 | ||
13d60d35 | 7122 | /* Close all VNI handling */ |
d62a17ae | 7123 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7124 | { |
2853fed6 | 7125 | if (!zvrf) |
7126 | return; | |
d62a17ae | 7127 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7128 | hash_free(zvrf->vni_table); |
13d60d35 | 7129 | } |
b7cfce93 MK |
7130 | |
7131 | /* init the l3vni table */ | |
7132 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7133 | { | |
7134 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
7135 | "Zebra VRF L3 VNI table"); | |
7136 | } | |
7137 | ||
7138 | /* free l3vni table */ | |
7139 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7140 | { | |
7141 | hash_free(zns->l3vni_table); | |
7142 | } | |
d3135ba3 | 7143 | |
7144 | /* get the l3vni svi ifindex */ | |
7145 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7146 | { | |
7147 | zebra_l3vni_t *zl3vni = NULL; | |
7148 | ||
7149 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7150 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7151 | return 0; | |
7152 | ||
7153 | return zl3vni->svi_if->ifindex; | |
7154 | } |