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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; | |
2acc2310 DS |
210 | } else if (hle1->p.family == AF_INET6) { |
211 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
212 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 213 | } else { |
9df414fe QY |
214 | zlog_debug("%s: Unexpected family type: %d", |
215 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
216 | return 0; |
217 | } | |
218 | } | |
85442b09 | 219 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 220 | |
85442b09 | 221 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
222 | { |
223 | struct host_rb_entry *hle; | |
224 | uint32_t count = 0; | |
225 | ||
85442b09 | 226 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
227 | count++; |
228 | ||
229 | return count; | |
230 | } | |
13d60d35 | 231 | |
790f8dc5 | 232 | /* |
233 | * Return number of valid MACs in a VNI's MAC hash table - all | |
234 | * remote MACs and non-internal (auto) local MACs count. | |
235 | */ | |
d7c0a89a | 236 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 237 | { |
238 | unsigned int i; | |
d7c0a89a | 239 | uint32_t num_macs = 0; |
790f8dc5 | 240 | struct hash *hash; |
241 | struct hash_backet *hb; | |
242 | zebra_mac_t *mac; | |
243 | ||
244 | hash = zvni->mac_table; | |
245 | if (!hash) | |
246 | return num_macs; | |
247 | for (i = 0; i < hash->size; i++) { | |
248 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
249 | mac = (zebra_mac_t *)hb->data; | |
250 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 251 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 252 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
253 | num_macs++; | |
254 | } | |
255 | } | |
256 | ||
257 | return num_macs; | |
258 | } | |
259 | ||
2853fed6 | 260 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 261 | { |
2853fed6 | 262 | struct zebra_vrf *zvrf; |
263 | ||
264 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
265 | if (zvrf && zvrf->advertise_gw_macip) |
266 | return 1; | |
267 | ||
268 | if (zvni && zvni->advertise_gw_macip) | |
269 | return 1; | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
cec2e17d | 274 | /* |
275 | * Helper function to determine maximum width of neighbor IP address for | |
276 | * display - just because we're dealing with IPv6 addresses that can | |
277 | * widely vary. | |
278 | */ | |
d62a17ae | 279 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 280 | { |
d62a17ae | 281 | zebra_neigh_t *n; |
282 | char buf[INET6_ADDRSTRLEN]; | |
283 | struct neigh_walk_ctx *wctx = ctxt; | |
284 | int width; | |
cec2e17d | 285 | |
d62a17ae | 286 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 287 | |
1445b43c A |
288 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
289 | width = strlen(buf); | |
d62a17ae | 290 | if (width > wctx->addr_width) |
291 | wctx->addr_width = width; | |
68e33151 | 292 | |
cec2e17d | 293 | } |
294 | ||
295 | /* | |
296 | * Print a specific neighbor entry. | |
297 | */ | |
cd233079 | 298 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 299 | { |
d62a17ae | 300 | struct vty *vty; |
301 | char buf1[ETHER_ADDR_STRLEN]; | |
302 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 303 | const char *type_str; |
304 | const char *state_str; | |
305 | bool flags_present = false; | |
cec2e17d | 306 | |
cd233079 CS |
307 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
308 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 309 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
310 | "local" : "remote"; | |
311 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
312 | vty = (struct vty *)ctxt; |
313 | if (json == NULL) { | |
314 | vty_out(vty, "IP: %s\n", | |
315 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 316 | vty_out(vty, " Type: %s\n", type_str); |
317 | vty_out(vty, " State: %s\n", state_str); | |
318 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
319 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
320 | } else { | |
321 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 322 | json_object_string_add(json, "type", type_str); |
323 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
324 | json_object_string_add(json, "mac", buf1); |
325 | } | |
326 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 327 | if (json == NULL) { |
1a8c5c38 | 328 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 329 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 330 | } else |
cd233079 CS |
331 | json_object_string_add(json, "remoteVtep", |
332 | inet_ntoa(n->r_vtep_ip)); | |
333 | } | |
ead40654 | 334 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 335 | if (!json) { |
336 | vty_out(vty, " Flags: Default-gateway"); | |
337 | flags_present = true; | |
338 | } else | |
ead40654 MK |
339 | json_object_boolean_true_add(json, "defaultGateway"); |
340 | } | |
68e33151 | 341 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 342 | if (!json) { |
343 | vty_out(vty, | |
344 | flags_present ? " ,Router" : " Flags: Router"); | |
345 | flags_present = true; | |
346 | } | |
68e33151 | 347 | } |
f07e1c99 | 348 | if (json == NULL) { |
1a8c5c38 | 349 | if (flags_present) |
350 | vty_out(vty, "\n"); | |
351 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 352 | n->loc_seq, n->rem_seq); |
1a8c5c38 | 353 | } else { |
354 | json_object_int_add(json, "localSequence", n->loc_seq); | |
355 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
68e33151 | 356 | } |
cec2e17d | 357 | } |
358 | ||
359 | /* | |
360 | * Print neighbor hash entry - called for display of all neighbors. | |
361 | */ | |
d62a17ae | 362 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
363 | { | |
364 | struct vty *vty; | |
cd233079 | 365 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 366 | zebra_neigh_t *n; |
367 | char buf1[ETHER_ADDR_STRLEN]; | |
368 | char buf2[INET6_ADDRSTRLEN]; | |
369 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 370 | const char *state_str; |
d62a17ae | 371 | |
372 | vty = wctx->vty; | |
cd233079 | 373 | json_vni = wctx->json; |
d62a17ae | 374 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 375 | |
cd233079 CS |
376 | if (json_vni) |
377 | json_row = json_object_new_object(); | |
378 | ||
d62a17ae | 379 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
380 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 381 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
382 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
383 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
384 | return; | |
385 | ||
cd233079 | 386 | if (json_vni == NULL) { |
1a8c5c38 | 387 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
388 | -wctx->addr_width, buf2, "local", | |
389 | state_str, buf1); | |
cd233079 CS |
390 | } else { |
391 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 392 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 393 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 394 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
395 | json_object_boolean_true_add( | |
396 | json_row, "defaultGateway"); | |
397 | json_object_int_add(json_row, "localSequence", | |
398 | n->loc_seq); | |
399 | json_object_int_add(json_row, "remoteSequence", | |
400 | n->rem_seq); | |
cd233079 | 401 | } |
d62a17ae | 402 | wctx->count++; |
1a8c5c38 | 403 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
404 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
405 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
406 | return; | |
407 | ||
408 | if (json_vni == NULL) { | |
409 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
410 | (wctx->count == 0)) | |
411 | vty_out(vty, | |
412 | "%*s %-6s %-8s %-17s %-21s\n", | |
413 | -wctx->addr_width, "Neighbor", "Type", | |
414 | "State", "MAC", "Remote VTEP"); | |
415 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
416 | -wctx->addr_width, buf2, "remote", state_str, | |
417 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 418 | } else { |
1a8c5c38 | 419 | json_object_string_add(json_row, "type", "remote"); |
420 | json_object_string_add(json_row, "state", state_str); | |
421 | json_object_string_add(json_row, "mac", buf1); | |
422 | json_object_string_add(json_row, "remoteVtep", | |
423 | inet_ntoa(n->r_vtep_ip)); | |
424 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
425 | json_object_boolean_true_add(json_row, | |
426 | "defaultGateway"); | |
427 | json_object_int_add(json_row, "localSequence", | |
428 | n->loc_seq); | |
429 | json_object_int_add(json_row, "remoteSequence", | |
430 | n->rem_seq); | |
d62a17ae | 431 | } |
1a8c5c38 | 432 | wctx->count++; |
d62a17ae | 433 | } |
cd233079 CS |
434 | |
435 | if (json_vni) | |
436 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 437 | } |
438 | ||
439 | /* | |
440 | * Print neighbors for all VNI. | |
441 | */ | |
d62a17ae | 442 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 443 | void **args) |
cec2e17d | 444 | { |
d62a17ae | 445 | struct vty *vty; |
cd233079 | 446 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 447 | zebra_vni_t *zvni; |
d7c0a89a | 448 | uint32_t num_neigh; |
d62a17ae | 449 | struct neigh_walk_ctx wctx; |
cd233079 CS |
450 | char vni_str[VNI_STR_LEN]; |
451 | ||
452 | vty = (struct vty *)args[0]; | |
453 | json = (json_object *)args[1]; | |
cec2e17d | 454 | |
d62a17ae | 455 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 456 | |
d62a17ae | 457 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 458 | if (json == NULL) { |
cd233079 CS |
459 | vty_out(vty, |
460 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
461 | zvni->vni, num_neigh); | |
68e33151 | 462 | } else { |
cd233079 CS |
463 | json_vni = json_object_new_object(); |
464 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
465 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
466 | } | |
467 | if (!num_neigh) { | |
468 | if (json) | |
469 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 470 | return; |
cd233079 | 471 | } |
cec2e17d | 472 | |
d62a17ae | 473 | /* Since we have IPv6 addresses to deal with which can vary widely in |
474 | * size, we try to be a bit more elegant in display by first computing | |
475 | * the maximum width. | |
476 | */ | |
477 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
478 | wctx.zvni = zvni; | |
479 | wctx.vty = vty; | |
480 | wctx.addr_width = 15; | |
cd233079 | 481 | wctx.json = json_vni; |
d62a17ae | 482 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 483 | |
68e33151 | 484 | if (json == NULL) { |
1a8c5c38 | 485 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
486 | -wctx.addr_width, "IP", "Type", | |
487 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 488 | } |
d62a17ae | 489 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
490 | |
491 | if (json) | |
492 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 493 | } |
494 | ||
9aa741ea | 495 | /* print a specific next hop for an l3vni */ |
996c9314 | 496 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 497 | json_object *json) |
9aa741ea MK |
498 | { |
499 | char buf1[ETHER_ADDR_STRLEN]; | |
500 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 501 | json_object *json_hosts = NULL; |
f2a503f0 | 502 | struct host_rb_entry *hle; |
9aa741ea | 503 | |
c0e519d3 MK |
504 | if (!json) { |
505 | vty_out(vty, "Ip: %s\n", | |
506 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
507 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 508 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
509 | vty_out(vty, " Refcount: %d\n", |
510 | rb_host_count(&n->host_rb)); | |
4cce389e | 511 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 512 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 513 | vty_out(vty, " %s\n", |
f2a503f0 | 514 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
515 | } else { |
516 | json_hosts = json_object_new_array(); | |
996c9314 LB |
517 | json_object_string_add( |
518 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
519 | json_object_string_add( | |
520 | json, "routerMac", | |
521 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
522 | json_object_int_add(json, "refCount", |
523 | rb_host_count(&n->host_rb)); | |
85442b09 | 524 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 525 | json_object_array_add(json_hosts, |
996c9314 | 526 | json_object_new_string(prefix2str( |
f2a503f0 | 527 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 528 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 529 | } |
9aa741ea MK |
530 | } |
531 | ||
532 | /* Print a specific RMAC entry */ | |
996c9314 | 533 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 534 | json_object *json) |
9aa741ea MK |
535 | { |
536 | char buf1[ETHER_ADDR_STRLEN]; | |
537 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 538 | json_object *json_hosts = NULL; |
5e1b0650 | 539 | struct host_rb_entry *hle; |
9aa741ea | 540 | |
316f4ca4 MK |
541 | if (!json) { |
542 | vty_out(vty, "MAC: %s\n", | |
543 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
544 | vty_out(vty, " Remote VTEP: %s\n", | |
545 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 546 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 547 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 548 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 549 | vty_out(vty, " %s\n", |
5e1b0650 | 550 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
551 | } else { |
552 | json_hosts = json_object_new_array(); | |
996c9314 LB |
553 | json_object_string_add( |
554 | json, "routerMac", | |
555 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 556 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 557 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
558 | json_object_int_add(json, "refCount", |
559 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 560 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
561 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 562 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
563 | json_object_array_add( |
564 | json_hosts, | |
565 | json_object_new_string(prefix2str( | |
566 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 567 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 568 | } |
9aa741ea MK |
569 | } |
570 | ||
cec2e17d | 571 | /* |
572 | * Print a specific MAC entry. | |
573 | */ | |
d62a17ae | 574 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
575 | { | |
576 | struct vty *vty; | |
b6938a74 MK |
577 | zebra_neigh_t *n = NULL; |
578 | struct listnode *node = NULL; | |
d62a17ae | 579 | char buf1[20]; |
b6938a74 | 580 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 581 | |
582 | vty = (struct vty *)ctxt; | |
583 | vty_out(vty, "MAC: %s", | |
584 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
585 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
586 | struct zebra_ns *zns; | |
587 | struct interface *ifp; | |
588 | ifindex_t ifindex; | |
589 | ||
590 | ifindex = mac->fwd_info.local.ifindex; | |
591 | zns = zebra_ns_lookup(NS_DEFAULT); | |
592 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
593 | if (!ifp) // unexpected | |
594 | return; | |
595 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
596 | if (mac->fwd_info.local.vid) | |
597 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 598 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 599 | vty_out(vty, " Remote VTEP: %s", |
600 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
601 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
602 | vty_out(vty, " Auto Mac "); | |
603 | } | |
b6938a74 | 604 | |
ead40654 MK |
605 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
606 | vty_out(vty, " Sticky Mac "); | |
607 | ||
608 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
609 | vty_out(vty, " Default-gateway Mac "); | |
610 | ||
51f4dab4 AK |
611 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
612 | vty_out(vty, " Remote-gateway Mac "); | |
613 | ||
0a97666d | 614 | vty_out(vty, "\n"); |
f07e1c99 | 615 | vty_out(vty, " Local Seq: %u Remote Seq: %u", |
616 | mac->loc_seq, mac->rem_seq); | |
617 | vty_out(vty, "\n"); | |
618 | ||
b6938a74 MK |
619 | /* print all the associated neigh */ |
620 | vty_out(vty, " Neighbors:\n"); | |
621 | if (!listcount(mac->neigh_list)) | |
622 | vty_out(vty, " No Neighbors\n"); | |
623 | else { | |
624 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
625 | vty_out(vty, " %s %s\n", | |
626 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
f07e1c99 | 627 | (IS_ZEBRA_NEIGH_ACTIVE(n) |
628 | ? "Active" : "Inactive")); | |
b6938a74 | 629 | } |
d62a17ae | 630 | } |
b6938a74 | 631 | |
d62a17ae | 632 | vty_out(vty, "\n"); |
cec2e17d | 633 | } |
634 | ||
635 | /* | |
636 | * Print MAC hash entry - called for display of all MACs. | |
637 | */ | |
d62a17ae | 638 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
639 | { | |
640 | struct vty *vty; | |
cd233079 | 641 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 642 | zebra_mac_t *mac; |
643 | char buf1[20]; | |
644 | struct mac_walk_ctx *wctx = ctxt; | |
645 | ||
646 | vty = wctx->vty; | |
cd233079 | 647 | json_mac_hdr = wctx->json; |
d62a17ae | 648 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 649 | |
650 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
651 | |
652 | if (json_mac_hdr) | |
653 | json_mac = json_object_new_object(); | |
654 | ||
1a8c5c38 | 655 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 656 | struct zebra_ns *zns; |
657 | ifindex_t ifindex; | |
658 | struct interface *ifp; | |
659 | vlanid_t vid; | |
660 | ||
1a8c5c38 | 661 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
662 | return; | |
663 | ||
d62a17ae | 664 | zns = zebra_ns_lookup(NS_DEFAULT); |
665 | ifindex = mac->fwd_info.local.ifindex; | |
666 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
667 | if (!ifp) // unexpected | |
668 | return; | |
669 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
670 | if (json_mac_hdr == NULL) |
671 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
672 | ifp->name); | |
673 | else { | |
674 | json_object_string_add(json_mac, "type", "local"); | |
675 | json_object_string_add(json_mac, "intf", ifp->name); | |
676 | } | |
677 | if (vid) { | |
678 | if (json_mac_hdr == NULL) | |
679 | vty_out(vty, " %-5u", vid); | |
680 | else | |
681 | json_object_int_add(json_mac, "vlan", vid); | |
682 | } | |
1a8c5c38 | 683 | if (json_mac_hdr == NULL) { |
cd233079 | 684 | vty_out(vty, "\n"); |
1a8c5c38 | 685 | } else { |
686 | json_object_int_add(json_mac, "localSequence", | |
687 | mac->loc_seq); | |
688 | json_object_int_add(json_mac, "remoteSequence", | |
689 | mac->rem_seq); | |
cd233079 | 690 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 691 | } |
692 | ||
d62a17ae | 693 | wctx->count++; |
1a8c5c38 | 694 | |
b6938a74 | 695 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 696 | |
697 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
698 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
699 | &wctx->r_vtep_ip)) | |
700 | return; | |
701 | ||
702 | if (json_mac_hdr == NULL) { | |
703 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
704 | (wctx->count == 0)) { | |
705 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
706 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
707 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 708 | } |
1a8c5c38 | 709 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
710 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 711 | } else { |
1a8c5c38 | 712 | json_object_string_add(json_mac, "type", "remote"); |
713 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 714 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 715 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
716 | json_object_int_add(json_mac, "localSequence", | |
717 | mac->loc_seq); | |
718 | json_object_int_add(json_mac, "remoteSequence", | |
719 | mac->rem_seq); | |
d62a17ae | 720 | } |
1a8c5c38 | 721 | |
722 | wctx->count++; | |
d62a17ae | 723 | } |
cec2e17d | 724 | } |
725 | ||
726 | /* | |
727 | * Print MACs for all VNI. | |
728 | */ | |
d62a17ae | 729 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 730 | { |
d62a17ae | 731 | struct vty *vty; |
cd233079 CS |
732 | json_object *json = NULL, *json_vni = NULL; |
733 | json_object *json_mac = NULL; | |
d62a17ae | 734 | zebra_vni_t *zvni; |
d7c0a89a | 735 | uint32_t num_macs; |
d62a17ae | 736 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 737 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 738 | |
d62a17ae | 739 | vty = (struct vty *)wctx->vty; |
cd233079 | 740 | json = (struct json_object *)wctx->json; |
cec2e17d | 741 | |
d62a17ae | 742 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 743 | wctx->zvni = zvni; |
cec2e17d | 744 | |
d62a17ae | 745 | /*We are iterating over a new VNI, set the count to 0*/ |
746 | wctx->count = 0; | |
cec2e17d | 747 | |
790f8dc5 | 748 | num_macs = num_valid_macs(zvni); |
d62a17ae | 749 | if (!num_macs) |
750 | return; | |
cd233079 CS |
751 | |
752 | if (json) { | |
753 | json_vni = json_object_new_object(); | |
754 | json_mac = json_object_new_object(); | |
755 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 756 | } |
cec2e17d | 757 | |
cd233079 CS |
758 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
759 | if (json == NULL) { | |
760 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
761 | zvni->vni, num_macs); | |
762 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
763 | "Intf/Remote VTEP", "VLAN"); | |
764 | } else | |
765 | json_object_int_add(json_vni, "numMacs", num_macs); | |
766 | } | |
767 | /* assign per-vni to wctx->json object to fill macs | |
768 | * under the vni. Re-assign primary json object to fill | |
769 | * next vni information. | |
770 | */ | |
771 | wctx->json = json_mac; | |
d62a17ae | 772 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
773 | wctx->json = json; |
774 | if (json) { | |
775 | if (wctx->count) | |
776 | json_object_object_add(json_vni, "macs", json_mac); | |
777 | json_object_object_add(json, vni_str, json_vni); | |
778 | } | |
cec2e17d | 779 | } |
780 | ||
996c9314 | 781 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
782 | { |
783 | struct nh_walk_ctx *wctx = NULL; | |
784 | struct vty *vty = NULL; | |
32798965 | 785 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
786 | struct json_object *json_nh = NULL; |
787 | zebra_neigh_t *n = NULL; | |
788 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 789 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
790 | |
791 | wctx = (struct nh_walk_ctx *)ctx; | |
792 | vty = wctx->vty; | |
32798965 MK |
793 | json_vni = wctx->json; |
794 | if (json_vni) | |
b7cfce93 MK |
795 | json_nh = json_object_new_object(); |
796 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 797 | |
32798965 | 798 | if (!json_vni) { |
4cce389e | 799 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 800 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 801 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 802 | } else { |
4cce389e | 803 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 804 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
805 | json_object_string_add( |
806 | json_nh, "routerMac", | |
807 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
808 | json_object_object_add(json_vni, |
809 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
810 | json_nh); | |
b7cfce93 MK |
811 | } |
812 | } | |
813 | ||
2dbad57f | 814 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 815 | void **args) |
2dbad57f | 816 | { |
817 | struct vty *vty = NULL; | |
818 | json_object *json = NULL; | |
819 | json_object *json_vni = NULL; | |
2dbad57f | 820 | zebra_l3vni_t *zl3vni = NULL; |
821 | uint32_t num_nh = 0; | |
32798965 | 822 | struct nh_walk_ctx wctx; |
2dbad57f | 823 | char vni_str[VNI_STR_LEN]; |
824 | ||
32798965 MK |
825 | vty = (struct vty *)args[0]; |
826 | json = (struct json_object *)args[1]; | |
2dbad57f | 827 | |
828 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 829 | |
830 | num_nh = hashcount(zl3vni->nh_table); | |
831 | if (!num_nh) | |
832 | return; | |
833 | ||
834 | if (json) { | |
835 | json_vni = json_object_new_object(); | |
2dbad57f | 836 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
837 | } | |
838 | ||
839 | if (json == NULL) { | |
996c9314 | 840 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 841 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 842 | } else |
4cce389e | 843 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 844 | |
32798965 MK |
845 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
846 | wctx.vty = vty; | |
847 | wctx.json = json_vni; | |
848 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
849 | if (json) | |
2dbad57f | 850 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 851 | } |
852 | ||
b7cfce93 | 853 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 854 | void **args) |
b7cfce93 MK |
855 | { |
856 | struct vty *vty = NULL; | |
857 | json_object *json = NULL; | |
858 | json_object *json_vni = NULL; | |
b7cfce93 | 859 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 860 | uint32_t num_rmacs; |
c0b4eaa4 | 861 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
862 | char vni_str[VNI_STR_LEN]; |
863 | ||
c0b4eaa4 MK |
864 | vty = (struct vty *)args[0]; |
865 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
866 | |
867 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
868 | |
869 | num_rmacs = hashcount(zl3vni->rmac_table); | |
870 | if (!num_rmacs) | |
871 | return; | |
872 | ||
873 | if (json) { | |
874 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
875 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
876 | } | |
877 | ||
878 | if (json == NULL) { | |
996c9314 | 879 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 880 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
881 | } else |
882 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
883 | ||
884 | /* assign per-vni to wctx->json object to fill macs | |
885 | * under the vni. Re-assign primary json object to fill | |
886 | * next vni information. | |
887 | */ | |
c0b4eaa4 MK |
888 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
889 | wctx.vty = vty; | |
890 | wctx.json = json_vni; | |
891 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
892 | if (json) | |
b7cfce93 | 893 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
894 | } |
895 | ||
996c9314 | 896 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
897 | { |
898 | zebra_mac_t *zrmac = NULL; | |
899 | struct rmac_walk_ctx *wctx = NULL; | |
900 | struct vty *vty = NULL; | |
901 | struct json_object *json = NULL; | |
902 | struct json_object *json_rmac = NULL; | |
903 | char buf[ETHER_ADDR_STRLEN]; | |
904 | ||
905 | wctx = (struct rmac_walk_ctx *)ctx; | |
906 | vty = wctx->vty; | |
907 | json = wctx->json; | |
908 | if (json) | |
909 | json_rmac = json_object_new_object(); | |
910 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
911 | |
912 | if (!json) { | |
4cce389e | 913 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 914 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 915 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 916 | } else { |
996c9314 LB |
917 | json_object_string_add( |
918 | json_rmac, "routerMac", | |
919 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 920 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 921 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
922 | json_object_object_add( |
923 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
924 | json_rmac); | |
b7cfce93 MK |
925 | } |
926 | } | |
927 | ||
928 | /* print a specific L3 VNI entry */ | |
929 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
930 | { | |
931 | char buf[ETHER_ADDR_STRLEN]; | |
932 | struct vty *vty = NULL; | |
933 | json_object *json = NULL; | |
934 | zebra_vni_t *zvni = NULL; | |
935 | json_object *json_vni_list = NULL; | |
936 | struct listnode *node = NULL, *nnode = NULL; | |
937 | ||
938 | vty = ctx[0]; | |
939 | json = ctx[1]; | |
940 | ||
941 | if (!json) { | |
942 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 943 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 944 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 945 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 946 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
947 | vty_out(vty, " Vxlan-Intf: %s\n", |
948 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
949 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
950 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 951 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
952 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
953 | ? "prefix-routes-only" | |
954 | : "none"); | |
4cce389e | 955 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 956 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 957 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
958 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
959 | vty_out(vty, "%u ", zvni->vni); | |
960 | vty_out(vty, "\n"); | |
961 | } else { | |
962 | json_vni_list = json_object_new_array(); | |
963 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
964 | json_object_string_add(json, "type", "L3"); |
965 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 966 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 967 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 968 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 969 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 970 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
971 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
972 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
973 | json_object_string_add( | |
974 | json, "routerMac", | |
975 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
976 | json_object_string_add( | |
977 | json, "vniFilter", | |
978 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
979 | ? "prefix-routes-only" | |
980 | : "none"); | |
b7cfce93 MK |
981 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
982 | json_object_array_add(json_vni_list, | |
983 | json_object_new_int(zvni->vni)); | |
984 | } | |
4cce389e | 985 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
986 | } |
987 | } | |
988 | ||
cec2e17d | 989 | /* |
990 | * Print a specific VNI entry. | |
991 | */ | |
cd233079 | 992 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 993 | { |
994 | struct vty *vty; | |
995 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
996 | uint32_t num_macs; |
997 | uint32_t num_neigh; | |
cd233079 CS |
998 | json_object *json = NULL; |
999 | json_object *json_vtep_list = NULL; | |
1000 | json_object *json_ip_str = NULL; | |
d62a17ae | 1001 | |
cd233079 CS |
1002 | vty = ctxt[0]; |
1003 | json = ctxt[1]; | |
1004 | ||
b7cfce93 | 1005 | if (json == NULL) { |
cd233079 | 1006 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1007 | vty_out(vty, " Type: %s\n", "L2"); |
1008 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1009 | } else { |
cd233079 | 1010 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1011 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1012 | json_object_string_add(json, "vrf", |
1013 | vrf_id_to_name(zvni->vrf_id)); | |
1014 | } | |
d62a17ae | 1015 | |
d62a17ae | 1016 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1017 | if (json == NULL) |
1018 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1019 | return; |
1020 | } | |
790f8dc5 | 1021 | num_macs = num_valid_macs(zvni); |
cd233079 | 1022 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1023 | if (json == NULL) { |
996c9314 | 1024 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1025 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1026 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1027 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1028 | } else { |
cd233079 CS |
1029 | json_object_string_add(json, "vxlanInterface", |
1030 | zvni->vxlan_if->name); | |
1031 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1032 | json_object_string_add(json, "vtepIp", | |
1033 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1034 | json_object_string_add(json, "advertiseGatewayMacip", |
1035 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1036 | json_object_int_add(json, "numMacs", num_macs); |
1037 | json_object_int_add(json, "numArpNd", num_neigh); | |
1038 | } | |
d62a17ae | 1039 | if (!zvni->vteps) { |
cd233079 CS |
1040 | if (json == NULL) |
1041 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1042 | } else { |
cd233079 CS |
1043 | if (json == NULL) |
1044 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1045 | else | |
1046 | json_vtep_list = json_object_new_array(); | |
1047 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1048 | if (json == NULL) | |
1049 | vty_out(vty, " %s\n", | |
1050 | inet_ntoa(zvtep->vtep_ip)); | |
1051 | else { | |
1052 | json_ip_str = json_object_new_string( | |
1053 | inet_ntoa(zvtep->vtep_ip)); | |
1054 | json_object_array_add(json_vtep_list, | |
1055 | json_ip_str); | |
1056 | } | |
1057 | } | |
1058 | if (json) | |
1059 | json_object_object_add(json, "numRemoteVteps", | |
1060 | json_vtep_list); | |
1061 | } | |
1062 | if (json == NULL) { | |
1063 | vty_out(vty, | |
1064 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1065 | num_macs); | |
1066 | vty_out(vty, | |
1067 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1068 | "known for this VNI: %u\n", | |
1069 | num_neigh); | |
ddd16ed5 MK |
1070 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1071 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1072 | } |
cec2e17d | 1073 | } |
1074 | ||
b7cfce93 | 1075 | /* print a L3 VNI hash entry */ |
996c9314 | 1076 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1077 | { |
b7cfce93 MK |
1078 | struct vty *vty = NULL; |
1079 | json_object *json = NULL; | |
51d8de8f | 1080 | json_object *json_vni = NULL; |
b7cfce93 MK |
1081 | zebra_l3vni_t *zl3vni = NULL; |
1082 | ||
51d8de8f MK |
1083 | vty = (struct vty *)ctx[0]; |
1084 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1085 | |
1086 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1087 | |
1088 | if (!json) { | |
996c9314 LB |
1089 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1090 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1091 | hashcount(zl3vni->rmac_table), |
996c9314 | 1092 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1093 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1094 | } else { |
51d8de8f MK |
1095 | char vni_str[VNI_STR_LEN]; |
1096 | ||
1097 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1098 | json_vni = json_object_new_object(); | |
1099 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1100 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1101 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1102 | json_object_int_add(json_vni, "numMacs", |
1103 | hashcount(zl3vni->rmac_table)); | |
1104 | json_object_int_add(json_vni, "numArpNd", | |
1105 | hashcount(zl3vni->nh_table)); | |
1106 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1107 | json_object_string_add(json_vni, "type", "L3"); | |
1108 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1109 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1110 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1111 | } |
b7cfce93 MK |
1112 | } |
1113 | ||
cec2e17d | 1114 | /* |
1115 | * Print a VNI hash entry - called for display of all VNIs. | |
1116 | */ | |
cd233079 | 1117 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1118 | { |
d62a17ae | 1119 | struct vty *vty; |
1120 | zebra_vni_t *zvni; | |
1121 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1122 | uint32_t num_vteps = 0; |
1123 | uint32_t num_macs = 0; | |
1124 | uint32_t num_neigh = 0; | |
cd233079 CS |
1125 | json_object *json = NULL; |
1126 | json_object *json_vni = NULL; | |
1127 | json_object *json_ip_str = NULL; | |
1128 | json_object *json_vtep_list = NULL; | |
1129 | ||
1130 | vty = ctxt[0]; | |
1131 | json = ctxt[1]; | |
cec2e17d | 1132 | |
d62a17ae | 1133 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1134 | |
d62a17ae | 1135 | zvtep = zvni->vteps; |
1136 | while (zvtep) { | |
1137 | num_vteps++; | |
1138 | zvtep = zvtep->next; | |
1139 | } | |
cec2e17d | 1140 | |
790f8dc5 | 1141 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1142 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1143 | if (json == NULL) |
996c9314 | 1144 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1145 | zvni->vni, "L2", |
cd233079 | 1146 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1147 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1148 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1149 | else { |
1150 | char vni_str[VNI_STR_LEN]; | |
1151 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1152 | json_vni = json_object_new_object(); | |
4cce389e MK |
1153 | json_object_int_add(json_vni, "vni", zvni->vni); |
1154 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1155 | json_object_string_add(json_vni, "vxlanIf", |
1156 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1157 | : "unknown"); | |
cd233079 CS |
1158 | json_object_int_add(json_vni, "numMacs", num_macs); |
1159 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1160 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1161 | json_object_string_add(json_vni, "tenantVrf", |
1162 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1163 | if (num_vteps) { |
1164 | json_vtep_list = json_object_new_array(); | |
1165 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1166 | json_ip_str = json_object_new_string( | |
1167 | inet_ntoa(zvtep->vtep_ip)); | |
1168 | json_object_array_add(json_vtep_list, | |
1169 | json_ip_str); | |
1170 | } | |
1171 | json_object_object_add(json_vni, "remoteVteps", | |
1172 | json_vtep_list); | |
1173 | } | |
1174 | json_object_object_add(json, vni_str, json_vni); | |
1175 | } | |
cec2e17d | 1176 | } |
1177 | ||
13d60d35 | 1178 | /* |
2232a77c | 1179 | * Inform BGP about local MACIP. |
1180 | */ | |
996c9314 | 1181 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1182 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1183 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1184 | { |
d62a17ae | 1185 | char buf[ETHER_ADDR_STRLEN]; |
1186 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1187 | int ipa_len; |
1188 | struct zserv *client = NULL; | |
1189 | struct stream *s = NULL; | |
d62a17ae | 1190 | |
21ccc0cf | 1191 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1192 | /* BGP may not be running. */ |
1193 | if (!client) | |
1194 | return 0; | |
1195 | ||
1002497a | 1196 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1197 | |
7cf15b25 | 1198 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1199 | stream_putl(s, vni); |
ff8b7eb8 | 1200 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1201 | if (ip) { |
1202 | ipa_len = 0; | |
1203 | if (IS_IPADDR_V4(ip)) | |
1204 | ipa_len = IPV4_MAX_BYTELEN; | |
1205 | else if (IS_IPADDR_V6(ip)) | |
1206 | ipa_len = IPV6_MAX_BYTELEN; | |
1207 | ||
1208 | stream_putl(s, ipa_len); /* IP address length */ | |
1209 | if (ipa_len) | |
1210 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1211 | } else | |
1212 | stream_putl(s, 0); /* Just MAC. */ | |
1213 | ||
f07e1c99 | 1214 | if (cmd == ZEBRA_MACIP_ADD) { |
1215 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1216 | stream_putl(s, seq); /* sequence number */ | |
1217 | } | |
d62a17ae | 1218 | |
b7cfce93 | 1219 | |
d62a17ae | 1220 | /* Write packet size. */ |
1221 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1222 | ||
1223 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1224 | zlog_debug( |
f07e1c99 | 1225 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1226 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1227 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1228 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1229 | zebra_route_string(client->proto)); |
d62a17ae | 1230 | |
1231 | if (cmd == ZEBRA_MACIP_ADD) | |
1232 | client->macipadd_cnt++; | |
1233 | else | |
1234 | client->macipdel_cnt++; | |
1235 | ||
21ccc0cf | 1236 | return zserv_send_message(client, s); |
2232a77c | 1237 | } |
1238 | ||
1239 | /* | |
1240 | * Make hash key for neighbors. | |
13d60d35 | 1241 | */ |
d62a17ae | 1242 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1243 | { |
d62a17ae | 1244 | zebra_neigh_t *n = p; |
1245 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1246 | |
d62a17ae | 1247 | if (IS_IPADDR_V4(ip)) |
1248 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1249 | |
d62a17ae | 1250 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1251 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1252 | } |
1253 | ||
1254 | /* | |
2232a77c | 1255 | * Compare two neighbor hash structures. |
13d60d35 | 1256 | */ |
d62a17ae | 1257 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1258 | { |
d62a17ae | 1259 | const zebra_neigh_t *n1 = p1; |
1260 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1261 | |
d62a17ae | 1262 | if (n1 == NULL && n2 == NULL) |
1263 | return 1; | |
2232a77c | 1264 | |
d62a17ae | 1265 | if (n1 == NULL || n2 == NULL) |
1266 | return 0; | |
2232a77c | 1267 | |
d62a17ae | 1268 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1269 | } |
1270 | ||
1271 | /* | |
2232a77c | 1272 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1273 | */ |
d62a17ae | 1274 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1275 | { |
d62a17ae | 1276 | const zebra_neigh_t *tmp_n = p; |
1277 | zebra_neigh_t *n; | |
13d60d35 | 1278 | |
d62a17ae | 1279 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1280 | *n = *tmp_n; | |
2232a77c | 1281 | |
d62a17ae | 1282 | return ((void *)n); |
13d60d35 | 1283 | } |
1284 | ||
1285 | /* | |
2232a77c | 1286 | * Add neighbor entry. |
13d60d35 | 1287 | */ |
b6938a74 MK |
1288 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1289 | struct ethaddr *mac) | |
13d60d35 | 1290 | { |
d62a17ae | 1291 | zebra_neigh_t tmp_n; |
1292 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1293 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1294 | |
d62a17ae | 1295 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1296 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1297 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1298 | assert(n); | |
13d60d35 | 1299 | |
b6938a74 MK |
1300 | memcpy(&n->emac, mac, ETH_ALEN); |
1301 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1302 | ||
1303 | /* Associate the neigh to mac */ | |
1304 | zmac = zvni_mac_lookup(zvni, mac); | |
1305 | if (zmac) | |
1306 | listnode_add_sort(zmac->neigh_list, n); | |
1307 | ||
d62a17ae | 1308 | return n; |
13d60d35 | 1309 | } |
1310 | ||
1311 | /* | |
2232a77c | 1312 | * Delete neighbor entry. |
13d60d35 | 1313 | */ |
d62a17ae | 1314 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1315 | { |
d62a17ae | 1316 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1317 | zebra_mac_t *zmac = NULL; |
1318 | ||
1319 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1320 | if (zmac) | |
1321 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1322 | |
d62a17ae | 1323 | /* Free the VNI hash entry and allocated memory. */ |
1324 | tmp_n = hash_release(zvni->neigh_table, n); | |
1325 | if (tmp_n) | |
1326 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1327 | |
d62a17ae | 1328 | return 0; |
13d60d35 | 1329 | } |
1330 | ||
1331 | /* | |
2232a77c | 1332 | * Free neighbor hash entry (callback) |
13d60d35 | 1333 | */ |
b1599bb6 | 1334 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1335 | { |
d62a17ae | 1336 | struct neigh_walk_ctx *wctx = arg; |
1337 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1338 | |
d62a17ae | 1339 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1340 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1341 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1342 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1343 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1344 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1345 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1346 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1347 | &n->emac, 0); |
13d60d35 | 1348 | |
d62a17ae | 1349 | if (wctx->uninstall) |
1350 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1351 | |
b1599bb6 | 1352 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1353 | } |
13d60d35 | 1354 | |
b1599bb6 | 1355 | return; |
13d60d35 | 1356 | } |
1357 | ||
1358 | /* | |
2232a77c | 1359 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1360 | */ |
d62a17ae | 1361 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1362 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1363 | { |
d62a17ae | 1364 | struct neigh_walk_ctx wctx; |
13d60d35 | 1365 | |
d62a17ae | 1366 | if (!zvni->neigh_table) |
1367 | return; | |
13d60d35 | 1368 | |
d62a17ae | 1369 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1370 | wctx.zvni = zvni; | |
1371 | wctx.uninstall = uninstall; | |
1372 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1373 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1374 | |
b1599bb6 | 1375 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1376 | } |
13d60d35 | 1377 | |
2232a77c | 1378 | /* |
1379 | * Delete all neighbor entries for this VNI. | |
1380 | */ | |
996c9314 | 1381 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1382 | uint32_t flags) |
2232a77c | 1383 | { |
d62a17ae | 1384 | struct neigh_walk_ctx wctx; |
13d60d35 | 1385 | |
d62a17ae | 1386 | if (!zvni->neigh_table) |
1387 | return; | |
13d60d35 | 1388 | |
d62a17ae | 1389 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1390 | wctx.zvni = zvni; | |
d62a17ae | 1391 | wctx.uninstall = uninstall; |
1392 | wctx.upd_client = upd_client; | |
1393 | wctx.flags = flags; | |
2232a77c | 1394 | |
b1599bb6 | 1395 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1396 | } |
1397 | ||
1398 | /* | |
2232a77c | 1399 | * Look up neighbor hash entry. |
1400 | */ | |
d62a17ae | 1401 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1402 | { |
d62a17ae | 1403 | zebra_neigh_t tmp; |
1404 | zebra_neigh_t *n; | |
2232a77c | 1405 | |
d62a17ae | 1406 | memset(&tmp, 0, sizeof(tmp)); |
1407 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1408 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1409 | |
d62a17ae | 1410 | return n; |
2232a77c | 1411 | } |
1412 | ||
f07e1c99 | 1413 | /* |
1414 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1415 | * locally or undergoing any other change (such as sequence number). | |
1416 | */ | |
1417 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1418 | zebra_mac_t *zmac, | |
1419 | bool seq_change) | |
b6938a74 MK |
1420 | { |
1421 | zebra_neigh_t *n = NULL; | |
1422 | struct listnode *node = NULL; | |
1423 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1424 | |
f07e1c99 | 1425 | if (IS_ZEBRA_DEBUG_VXLAN) |
1426 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1427 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1428 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1429 | ||
1430 | /* Walk all neighbors and mark any inactive local neighbors as | |
1431 | * active and/or update sequence number upon a move, and inform BGP. | |
1432 | * The action for remote neighbors is TBD. | |
1433 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1434 | * accidentally end up deleting a just-learnt local neighbor. | |
1435 | */ | |
b6938a74 MK |
1436 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1437 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1438 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1439 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1440 | n->loc_seq = zmac->loc_seq; |
b6938a74 | 1441 | zvni_neigh_send_add_to_client( |
f07e1c99 | 1442 | zvni->vni, &n->ip, &n->emac, |
1443 | n->flags, n->loc_seq); | |
b6938a74 | 1444 | } |
b6938a74 MK |
1445 | } |
1446 | } | |
1447 | } | |
1448 | ||
f07e1c99 | 1449 | /* |
1450 | * Process all neighbors associated with a local MAC upon the MAC being | |
1451 | * deleted. | |
1452 | */ | |
2853fed6 | 1453 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1454 | zebra_mac_t *zmac) |
1455 | { | |
1456 | zebra_neigh_t *n = NULL; | |
1457 | struct listnode *node = NULL; | |
1458 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1459 | |
f07e1c99 | 1460 | if (IS_ZEBRA_DEBUG_VXLAN) |
1461 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1462 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1463 | zvni->vni); | |
1464 | ||
1465 | /* Walk all local neighbors and mark as inactive and inform | |
1466 | * BGP, if needed. | |
1467 | * TBD: There is currently no handling for remote neighbors. We | |
1468 | * don't expect them to exist, if they do, do we install the MAC | |
1469 | * as a remote MAC and the neighbor as remote? | |
1470 | */ | |
b6938a74 MK |
1471 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1472 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1473 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1474 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1475 | n->loc_seq = 0; |
996c9314 LB |
1476 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1477 | &n->emac, 0); | |
b6938a74 | 1478 | } |
b6938a74 MK |
1479 | } |
1480 | } | |
1481 | } | |
1482 | ||
f07e1c99 | 1483 | /* |
1484 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1485 | * learnt. | |
1486 | */ | |
2853fed6 | 1487 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1488 | zebra_mac_t *zmac) |
1489 | { | |
1490 | zebra_neigh_t *n = NULL; | |
1491 | struct listnode *node = NULL; | |
1492 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1493 | |
f07e1c99 | 1494 | if (IS_ZEBRA_DEBUG_VXLAN) |
1495 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1496 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1497 | zvni->vni); | |
1498 | ||
1499 | /* Walk all local neighbors and mark as inactive and inform | |
1500 | * BGP, if needed. | |
1501 | */ | |
b6938a74 MK |
1502 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1503 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1504 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1505 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1506 | n->loc_seq = 0; |
996c9314 LB |
1507 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1508 | &n->emac, 0); | |
b6938a74 MK |
1509 | } |
1510 | } | |
1511 | } | |
1512 | } | |
1513 | ||
f07e1c99 | 1514 | /* |
1515 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1516 | * deleted. | |
1517 | */ | |
2853fed6 | 1518 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1519 | zebra_mac_t *zmac) |
1520 | { | |
f07e1c99 | 1521 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1522 | } |
1523 | ||
2232a77c | 1524 | /* |
1525 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1526 | */ |
996c9314 | 1527 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1528 | struct ethaddr *macaddr, |
f07e1c99 | 1529 | uint8_t neigh_flags, |
1530 | uint32_t seq) | |
13d60d35 | 1531 | { |
d7c0a89a | 1532 | uint8_t flags = 0; |
ead40654 MK |
1533 | |
1534 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1535 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1536 | /* Set router flag (R-bit) based on local neigh entry add */ |
1537 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1538 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1539 | |
2853fed6 | 1540 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1541 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1542 | } |
13d60d35 | 1543 | |
2232a77c | 1544 | /* |
1545 | * Inform BGP about local neighbor deletion. | |
1546 | */ | |
996c9314 | 1547 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1548 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1549 | { |
2853fed6 | 1550 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1551 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1552 | } |
1553 | ||
1554 | /* | |
1555 | * Install remote neighbor into the kernel. | |
1556 | */ | |
d62a17ae | 1557 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1558 | { |
d62a17ae | 1559 | struct zebra_if *zif; |
1560 | struct zebra_l2info_vxlan *vxl; | |
1561 | struct interface *vlan_if; | |
f7dae312 | 1562 | #ifdef GNU_LINUX |
68e33151 | 1563 | uint8_t flags; |
f7dae312 | 1564 | #endif |
68e33151 | 1565 | int ret = 0; |
2232a77c | 1566 | |
d62a17ae | 1567 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1568 | return 0; | |
13d60d35 | 1569 | |
d62a17ae | 1570 | zif = zvni->vxlan_if->info; |
1571 | if (!zif) | |
1572 | return -1; | |
1573 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1574 | |
2853fed6 | 1575 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1576 | if (!vlan_if) |
1577 | return -1; | |
68e33151 CS |
1578 | #ifdef GNU_LINUX |
1579 | flags = NTF_EXT_LEARNED; | |
1580 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1581 | flags |= NTF_ROUTER; | |
f07e1c99 | 1582 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1583 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1584 | #endif | |
1585 | return ret; | |
2232a77c | 1586 | } |
13d60d35 | 1587 | |
2232a77c | 1588 | /* |
1589 | * Uninstall remote neighbor from the kernel. | |
1590 | */ | |
d62a17ae | 1591 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1592 | { |
d62a17ae | 1593 | struct zebra_if *zif; |
1594 | struct zebra_l2info_vxlan *vxl; | |
1595 | struct interface *vlan_if; | |
13d60d35 | 1596 | |
d62a17ae | 1597 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1598 | return 0; | |
2232a77c | 1599 | |
d62a17ae | 1600 | if (!zvni->vxlan_if) { |
9df414fe QY |
1601 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
1602 | zvni->vni, zvni); | |
d62a17ae | 1603 | return -1; |
1604 | } | |
2232a77c | 1605 | |
d62a17ae | 1606 | zif = zvni->vxlan_if->info; |
1607 | if (!zif) | |
1608 | return -1; | |
1609 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1610 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1611 | if (!vlan_if) |
1612 | return -1; | |
2232a77c | 1613 | |
f07e1c99 | 1614 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1615 | n->loc_seq = 0; | |
d62a17ae | 1616 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1617 | } |
1618 | ||
1619 | /* | |
2232a77c | 1620 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1621 | */ |
d62a17ae | 1622 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1623 | { |
d62a17ae | 1624 | zebra_neigh_t *n; |
1625 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1626 | |
d62a17ae | 1627 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1628 | |
d62a17ae | 1629 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1630 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1631 | } |
13d60d35 | 1632 | |
1a98c087 MK |
1633 | /* Get the VRR interface for SVI if any */ |
1634 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1635 | { | |
1636 | struct zebra_vrf *zvrf = NULL; | |
1637 | struct interface *tmp_if = NULL; | |
1638 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1639 | |
1640 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1641 | assert(zvrf); | |
1642 | ||
451fda4f | 1643 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1644 | zif = tmp_if->info; |
1645 | if (!zif) | |
1646 | continue; | |
1647 | ||
1648 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1649 | continue; | |
1650 | ||
1651 | if (zif->link == ifp) | |
1652 | return tmp_if; | |
1653 | } | |
1654 | ||
1655 | return NULL; | |
1656 | } | |
1657 | ||
1658 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1659 | { | |
1a98c087 MK |
1660 | struct listnode *cnode = NULL, *cnnode = NULL; |
1661 | struct connected *c = NULL; | |
1662 | struct ethaddr macaddr; | |
1663 | ||
1a98c087 MK |
1664 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1665 | ||
1666 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1667 | struct ipaddr ip; | |
1668 | ||
1669 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1670 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1671 | continue; | |
1672 | ||
1673 | if (c->address->family == AF_INET) { | |
1674 | ip.ipa_type = IPADDR_V4; | |
1675 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1676 | sizeof(struct in_addr)); | |
1677 | } else if (c->address->family == AF_INET6) { | |
1678 | ip.ipa_type = IPADDR_V6; | |
1679 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1680 | sizeof(struct in6_addr)); | |
1681 | } else { | |
1682 | continue; | |
1683 | } | |
1684 | ||
1685 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1686 | } | |
1687 | ||
1688 | return 0; | |
1689 | } | |
1690 | ||
1691 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1692 | { | |
1a98c087 MK |
1693 | struct listnode *cnode = NULL, *cnnode = NULL; |
1694 | struct connected *c = NULL; | |
1695 | struct ethaddr macaddr; | |
1696 | ||
1a98c087 MK |
1697 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1698 | ||
1699 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1700 | struct ipaddr ip; | |
1701 | ||
1702 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1703 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1704 | continue; | |
1705 | ||
1706 | if (c->address->family == AF_INET) { | |
1707 | ip.ipa_type = IPADDR_V4; | |
1708 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1709 | sizeof(struct in_addr)); | |
1710 | } else if (c->address->family == AF_INET6) { | |
1711 | ip.ipa_type = IPADDR_V6; | |
1712 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1713 | sizeof(struct in6_addr)); | |
1714 | } else { | |
1715 | continue; | |
1716 | } | |
1717 | ||
1718 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1719 | } | |
31310b25 MK |
1720 | return 0; |
1721 | } | |
1722 | ||
1723 | ||
996c9314 | 1724 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1725 | int advertise) |
1726 | { | |
1727 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1728 | struct connected *c = NULL; | |
1729 | struct ethaddr macaddr; | |
1730 | ||
1731 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1732 | ||
1733 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1734 | struct prefix p; | |
1a98c087 | 1735 | |
31310b25 MK |
1736 | memcpy(&p, c->address, sizeof(struct prefix)); |
1737 | ||
1738 | /* skip link local address */ | |
1739 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1740 | continue; | |
1741 | ||
1742 | apply_mask(&p); | |
1743 | if (advertise) | |
1744 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1745 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1746 | else |
1747 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1748 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1749 | } | |
1a98c087 MK |
1750 | return 0; |
1751 | } | |
1752 | ||
1753 | /* | |
1754 | * zvni_gw_macip_add_to_client | |
1755 | */ | |
1756 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1757 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1758 | { | |
1a98c087 MK |
1759 | char buf[ETHER_ADDR_STRLEN]; |
1760 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1761 | zebra_neigh_t *n = NULL; |
1762 | zebra_mac_t *mac = NULL; | |
1763 | struct zebra_if *zif = NULL; | |
1764 | struct zebra_l2info_vxlan *vxl = NULL; | |
1765 | ||
1a98c087 MK |
1766 | zif = zvni->vxlan_if->info; |
1767 | if (!zif) | |
1768 | return -1; | |
1769 | ||
1770 | vxl = &zif->l2info.vxl; | |
1771 | ||
1772 | mac = zvni_mac_lookup(zvni, macaddr); | |
1773 | if (!mac) { | |
1774 | mac = zvni_mac_add(zvni, macaddr); | |
1775 | if (!mac) { | |
e914ccbe | 1776 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
1777 | "Failed to add MAC %s intf %s(%u) VID %u", |
1778 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1779 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1780 | return -1; |
1781 | } | |
1782 | } | |
1783 | ||
1784 | /* Set "local" forwarding info. */ | |
1785 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1786 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1787 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1788 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1789 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1790 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1791 | ||
1792 | n = zvni_neigh_lookup(zvni, ip); | |
1793 | if (!n) { | |
b6938a74 | 1794 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1795 | if (!n) { |
af4c2728 | 1796 | flog_err( |
e914ccbe | 1797 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 1798 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1799 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1800 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1801 | ifp->name, ifp->ifindex, zvni->vni); |
1802 | return -1; | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | /* Set "local" forwarding info. */ | |
1807 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1808 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 1809 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1810 | /* Set Router flag (R-bit) */ |
1811 | if (ip->ipa_type == IPADDR_V6) | |
1812 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1813 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1814 | n->ifindex = ifp->ifindex; | |
1815 | ||
ead40654 MK |
1816 | /* Only advertise in BGP if the knob is enabled */ |
1817 | if (!advertise_gw_macip_enabled(zvni)) | |
1818 | return 0; | |
1819 | ||
1a98c087 MK |
1820 | if (IS_ZEBRA_DEBUG_VXLAN) |
1821 | zlog_debug( | |
68e33151 | 1822 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1823 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1824 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1825 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1826 | |
f07e1c99 | 1827 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1828 | n->flags, n->loc_seq); | |
1a98c087 MK |
1829 | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | /* | |
1834 | * zvni_gw_macip_del_from_client | |
1835 | */ | |
1836 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1837 | struct ipaddr *ip) | |
1838 | { | |
0af35d90 | 1839 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1840 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1841 | zebra_neigh_t *n = NULL; |
1842 | zebra_mac_t *mac = NULL; | |
1843 | ||
1a98c087 MK |
1844 | /* If the neigh entry is not present nothing to do*/ |
1845 | n = zvni_neigh_lookup(zvni, ip); | |
1846 | if (!n) | |
1847 | return 0; | |
1848 | ||
1849 | /* mac entry should be present */ | |
1850 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1851 | if (!mac) { |
9df414fe QY |
1852 | zlog_debug("MAC %s doesnt exists for neigh %s on VNI %u", |
1853 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), | |
1854 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1855 | return -1; |
1856 | } | |
1a98c087 MK |
1857 | |
1858 | /* If the entry is not local nothing to do*/ | |
1859 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1860 | return -1; | |
1861 | ||
ead40654 | 1862 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1863 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1864 | zlog_debug( |
1865 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1866 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1867 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1868 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1869 | |
1870 | /* Remove neighbor from BGP. */ | |
1871 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1872 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1873 | |
1874 | /* Delete this neighbor entry. */ | |
1875 | zvni_neigh_del(zvni, n); | |
1876 | ||
1877 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f DS |
1878 | if (mac) |
1879 | zvni_deref_ip2mac(zvni, mac, 0); | |
1a98c087 MK |
1880 | |
1881 | return 0; | |
1882 | } | |
1883 | ||
1884 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1885 | void *ctxt) |
1a98c087 MK |
1886 | { |
1887 | zebra_vni_t *zvni = NULL; | |
1888 | struct zebra_if *zif = NULL; | |
1889 | struct zebra_l2info_vxlan zl2_info; | |
1890 | struct interface *vlan_if = NULL; | |
1891 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1892 | struct interface *ifp; |
1a98c087 MK |
1893 | |
1894 | /* Add primary SVI MAC*/ | |
1895 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1896 | |
b5ebdc9b | 1897 | ifp = zvni->vxlan_if; |
1898 | if (!ifp) | |
1899 | return; | |
1900 | zif = ifp->info; | |
1901 | ||
1902 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1903 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1904 | return; |
1905 | ||
1a98c087 MK |
1906 | zl2_info = zif->l2info.vxl; |
1907 | ||
996c9314 LB |
1908 | vlan_if = |
1909 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1910 | if (!vlan_if) |
1911 | return; | |
1912 | ||
1913 | /* Del primary MAC-IP */ | |
1914 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1915 | ||
1916 | /* Del VRR MAC-IP - if any*/ | |
1917 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1918 | if (vrr_if) | |
1919 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1920 | ||
1921 | return; | |
1922 | } | |
1923 | ||
1924 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1925 | void *ctxt) |
1a98c087 MK |
1926 | { |
1927 | zebra_vni_t *zvni = NULL; | |
1928 | struct zebra_if *zif = NULL; | |
1929 | struct zebra_l2info_vxlan zl2_info; | |
1930 | struct interface *vlan_if = NULL; | |
1931 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1932 | struct interface *ifp = NULL; |
1a98c087 MK |
1933 | |
1934 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1935 | |
b5ebdc9b | 1936 | ifp = zvni->vxlan_if; |
1937 | if (!ifp) | |
1938 | return; | |
1939 | zif = ifp->info; | |
1940 | ||
1941 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1942 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1943 | return; |
1a98c087 MK |
1944 | zl2_info = zif->l2info.vxl; |
1945 | ||
996c9314 LB |
1946 | vlan_if = |
1947 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1948 | if (!vlan_if) |
1949 | return; | |
1950 | ||
1a98c087 MK |
1951 | /* Add primary SVI MAC-IP */ |
1952 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1953 | ||
1954 | /* Add VRR MAC-IP - if any*/ | |
1955 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1956 | if (vrr_if) | |
1957 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1958 | ||
1959 | return; | |
1960 | } | |
1961 | ||
ee69da27 MK |
1962 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1963 | struct interface *ifp, | |
1964 | struct ipaddr *ip, | |
68e33151 CS |
1965 | struct ethaddr *macaddr, |
1966 | uint8_t router_flag) | |
ee69da27 MK |
1967 | { |
1968 | char buf[ETHER_ADDR_STRLEN]; | |
1969 | char buf2[INET6_ADDRSTRLEN]; | |
1970 | zebra_neigh_t *n = NULL; | |
1971 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 1972 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
1973 | bool upd_mac_seq = false; | |
1974 | bool neigh_mac_change = false; | |
29c2ce7c | 1975 | bool check_rbit = false; |
ee69da27 | 1976 | |
f07e1c99 | 1977 | /* Check if the MAC exists. */ |
ee69da27 MK |
1978 | zmac = zvni_mac_lookup(zvni, macaddr); |
1979 | if (!zmac) { | |
f07e1c99 | 1980 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
1981 | if (IS_ZEBRA_DEBUG_VXLAN) |
1982 | zlog_debug( | |
1983 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1984 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1985 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1986 | ||
1987 | zmac = zvni_mac_add(zvni, macaddr); | |
1988 | if (!zmac) { | |
9df414fe QY |
1989 | zlog_debug("Failed to add MAC %s VNI %u", |
1990 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1991 | zvni->vni); | |
ee69da27 MK |
1992 | return -1; |
1993 | } | |
1994 | ||
1995 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1996 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1997 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 1998 | } else { |
1999 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2000 | /* | |
2001 | * We don't change the MAC to local upon a neighbor | |
2002 | * learn event, we wait for the explicit local MAC | |
2003 | * learn. However, we have to compute its sequence | |
2004 | * number in preparation for when it actually turns | |
2005 | * local. | |
2006 | */ | |
2007 | upd_mac_seq = true; | |
2008 | } | |
ee69da27 MK |
2009 | } |
2010 | ||
f07e1c99 | 2011 | /* Check if the neighbor exists. */ |
ee69da27 | 2012 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2013 | if (!n) { |
2014 | /* New neighbor - create */ | |
2015 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2016 | if (!n) { | |
2017 | flog_err( | |
e914ccbe | 2018 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 2019 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2020 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2021 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2022 | ifp->name, ifp->ifindex, zvni->vni); | |
2023 | return -1; | |
2024 | } | |
2025 | /* Set "local" forwarding info. */ | |
2026 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2027 | n->ifindex = ifp->ifindex; | |
f190902f | 2028 | check_rbit = true; |
f07e1c99 | 2029 | } else { |
ee69da27 | 2030 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
f07e1c99 | 2031 | /* If there is no MAC change, BGP isn't interested. */ |
29c2ce7c CS |
2032 | if (router_flag != |
2033 | (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) | |
2034 | ? 1 : 0)) | |
2035 | check_rbit = true; | |
2036 | ||
ee69da27 MK |
2037 | if (memcmp(n->emac.octet, macaddr->octet, |
2038 | ETH_ALEN) == 0) { | |
2039 | /* Update any params and return - client doesn't | |
2040 | * care about a purely local change. | |
2041 | */ | |
2042 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2043 | } else { |
ee69da27 | 2044 | |
f190902f | 2045 | /* If the MAC has changed, need to issue a |
2046 | * delete first as this means a different | |
2047 | * MACIP route. Also, need to do some | |
2048 | * unlinking/relinking. We also need to | |
2049 | * update the MAC's sequence number | |
2050 | * in different situations. | |
29c2ce7c | 2051 | */ |
f190902f | 2052 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2053 | zvni_neigh_send_del_to_client( | |
2054 | zvni->vni, &n->ip, &n->emac, 0); | |
29c2ce7c CS |
2055 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
2056 | if (old_zmac) { | |
f190902f | 2057 | old_mac_seq = |
2058 | CHECK_FLAG(old_zmac->flags, | |
2059 | ZEBRA_MAC_REMOTE) ? | |
2060 | old_zmac->rem_seq : | |
2061 | old_zmac->loc_seq; | |
2062 | neigh_mac_change = upd_mac_seq = true; | |
2063 | listnode_delete( | |
2064 | old_zmac->neigh_list, n); | |
29c2ce7c CS |
2065 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2066 | } | |
ee69da27 | 2067 | |
29c2ce7c CS |
2068 | /* Update the forwarding info. */ |
2069 | n->ifindex = ifp->ifindex; | |
2070 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
ee69da27 | 2071 | |
29c2ce7c CS |
2072 | /* Link to new MAC */ |
2073 | listnode_add_sort(zmac->neigh_list, n); | |
2074 | } | |
ee69da27 | 2075 | |
f07e1c99 | 2076 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2077 | /* | |
2078 | * Neighbor has moved from remote to local. Its | |
2079 | * MAC could have also changed as part of the move. | |
2080 | */ | |
ee69da27 MK |
2081 | if (memcmp(n->emac.octet, macaddr->octet, |
2082 | ETH_ALEN) != 0) { | |
2083 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2084 | if (old_zmac) { | |
9df2b997 | 2085 | old_mac_seq = CHECK_FLAG( |
2086 | old_zmac->flags, | |
2087 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2088 | old_zmac->rem_seq : |
2089 | old_zmac->loc_seq; | |
2090 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2091 | listnode_delete(old_zmac->neigh_list, |
2092 | n); | |
ee69da27 MK |
2093 | zvni_deref_ip2mac(zvni, old_zmac, 0); |
2094 | } | |
2095 | ||
2096 | /* Link to new MAC */ | |
2097 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2098 | listnode_add_sort(zmac->neigh_list, n); | |
2099 | } | |
2100 | ||
2101 | /* Mark appropriately */ | |
2102 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2103 | n->r_vtep_ip.s_addr = 0; | |
2104 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2105 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2106 | check_rbit = true; |
ee69da27 | 2107 | } |
f07e1c99 | 2108 | } |
2109 | ||
2110 | /* If MAC was previously remote, or the neighbor had a different | |
2111 | * MAC earlier, recompute the sequence number. | |
2112 | */ | |
2113 | if (upd_mac_seq) { | |
2114 | uint32_t seq1, seq2; | |
2115 | ||
2116 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2117 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2118 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2119 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2120 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2121 | } |
2122 | ||
54c17425 CS |
2123 | /*Mark Router flag (R-bit) */ |
2124 | if (router_flag) | |
2125 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2126 | else | |
2127 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2128 | ||
ee69da27 | 2129 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2130 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2131 | */ |
2132 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2133 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2134 | n->loc_seq = 0; |
2135 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2136 | return 0; |
2137 | } | |
2138 | ||
bf437f90 | 2139 | if (!check_rbit) |
f190902f | 2140 | return 0; |
68e33151 | 2141 | |
f07e1c99 | 2142 | /* If the MAC's sequence number has changed, inform the MAC and all |
2143 | * neighbors associated with the MAC to BGP, else just inform this | |
2144 | * neighbor. | |
2145 | */ | |
2146 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2147 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2148 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2149 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2150 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2151 | zmac->loc_seq = mac_new_seq; | |
2152 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2153 | zmac->flags, zmac->loc_seq)) | |
2154 | return -1; | |
2155 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2156 | return 0; |
2157 | } | |
2158 | ||
ee69da27 | 2159 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2160 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2161 | |
f07e1c99 | 2162 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2163 | n->flags, n->loc_seq); | |
ee69da27 MK |
2164 | } |
2165 | ||
2166 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2167 | struct interface *ifp, | |
2168 | struct ipaddr *ip, | |
2169 | struct ethaddr *macaddr, | |
2170 | uint16_t state) | |
2171 | { | |
2172 | char buf[ETHER_ADDR_STRLEN]; | |
2173 | char buf2[INET6_ADDRSTRLEN]; | |
2174 | zebra_neigh_t *n = NULL; | |
2175 | zebra_mac_t *zmac = NULL; | |
2176 | ||
2177 | /* If the neighbor is unknown, there is no further action. */ | |
2178 | n = zvni_neigh_lookup(zvni, ip); | |
2179 | if (!n) | |
2180 | return 0; | |
2181 | ||
2182 | /* If a remote entry, see if it needs to be refreshed */ | |
2183 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2184 | #ifdef GNU_LINUX |
ee69da27 MK |
2185 | if (state & NUD_STALE) |
2186 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2187 | #endif |
ee69da27 MK |
2188 | } else { |
2189 | /* We got a "remote" neighbor notification for an entry | |
2190 | * we think is local. This can happen in a multihoming | |
2191 | * scenario - but only if the MAC is already "remote". | |
2192 | * Just mark our entry as "remote". | |
2193 | */ | |
2194 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2195 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 2196 | zlog_debug( |
43e52561 QY |
2197 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2198 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2199 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2200 | zvni->vni); | |
ee69da27 MK |
2201 | return -1; |
2202 | } | |
2203 | ||
2204 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2205 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2206 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2207 | } | |
2208 | ||
2209 | return 0; | |
2210 | } | |
2211 | ||
2232a77c | 2212 | /* |
2213 | * Make hash key for MAC. | |
2214 | */ | |
d62a17ae | 2215 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2216 | { |
d62a17ae | 2217 | zebra_mac_t *pmac = p; |
25331def DS |
2218 | const void *pnt = (void *)pmac->macaddr.octet; |
2219 | ||
ff8b7eb8 | 2220 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2221 | } |
13d60d35 | 2222 | |
2232a77c | 2223 | /* |
2224 | * Compare two MAC addresses. | |
2225 | */ | |
d62a17ae | 2226 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2227 | { |
d62a17ae | 2228 | const zebra_mac_t *pmac1 = p1; |
2229 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2230 | |
d62a17ae | 2231 | if (pmac1 == NULL && pmac2 == NULL) |
2232 | return 1; | |
2232a77c | 2233 | |
d62a17ae | 2234 | if (pmac1 == NULL || pmac2 == NULL) |
2235 | return 0; | |
2232a77c | 2236 | |
996c9314 | 2237 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2238 | == 0); |
2232a77c | 2239 | } |
2240 | ||
2241 | /* | |
2242 | * Callback to allocate MAC hash entry. | |
2243 | */ | |
d62a17ae | 2244 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2245 | { |
d62a17ae | 2246 | const zebra_mac_t *tmp_mac = p; |
2247 | zebra_mac_t *mac; | |
2232a77c | 2248 | |
d62a17ae | 2249 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2250 | *mac = *tmp_mac; | |
2232a77c | 2251 | |
d62a17ae | 2252 | return ((void *)mac); |
2232a77c | 2253 | } |
2254 | ||
2255 | /* | |
2256 | * Add MAC entry. | |
2257 | */ | |
d62a17ae | 2258 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2259 | { |
d62a17ae | 2260 | zebra_mac_t tmp_mac; |
2261 | zebra_mac_t *mac = NULL; | |
2232a77c | 2262 | |
d62a17ae | 2263 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2264 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2265 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2266 | assert(mac); | |
2232a77c | 2267 | |
b6938a74 MK |
2268 | mac->neigh_list = list_new(); |
2269 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2270 | ||
d62a17ae | 2271 | return mac; |
2232a77c | 2272 | } |
2273 | ||
2274 | /* | |
2275 | * Delete MAC entry. | |
2276 | */ | |
d62a17ae | 2277 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2278 | { |
d62a17ae | 2279 | zebra_mac_t *tmp_mac; |
2232a77c | 2280 | |
affe9e99 | 2281 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2282 | |
d62a17ae | 2283 | /* Free the VNI hash entry and allocated memory. */ |
2284 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2285 | if (tmp_mac) | |
2286 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2287 | |
d62a17ae | 2288 | return 0; |
2232a77c | 2289 | } |
2290 | ||
2291 | /* | |
2292 | * Free MAC hash entry (callback) | |
2293 | */ | |
b1599bb6 | 2294 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2295 | { |
d62a17ae | 2296 | struct mac_walk_ctx *wctx = arg; |
2297 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2298 | |
d62a17ae | 2299 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2300 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2301 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2302 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2303 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2304 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2305 | &wctx->r_vtep_ip))) { | |
2306 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2307 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2308 | &mac->macaddr, mac->flags); | |
d62a17ae | 2309 | } |
2232a77c | 2310 | |
d62a17ae | 2311 | if (wctx->uninstall) |
2312 | zvni_mac_uninstall(wctx->zvni, mac, 0); | |
2232a77c | 2313 | |
b1599bb6 | 2314 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2315 | } |
2232a77c | 2316 | |
b1599bb6 | 2317 | return; |
2232a77c | 2318 | } |
2319 | ||
2320 | /* | |
2321 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2322 | */ | |
d62a17ae | 2323 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2324 | struct in_addr *r_vtep_ip) | |
2232a77c | 2325 | { |
d62a17ae | 2326 | struct mac_walk_ctx wctx; |
2232a77c | 2327 | |
d62a17ae | 2328 | if (!zvni->mac_table) |
2329 | return; | |
2232a77c | 2330 | |
d62a17ae | 2331 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2332 | wctx.zvni = zvni; | |
2333 | wctx.uninstall = uninstall; | |
2334 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2335 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2336 | |
b1599bb6 | 2337 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2338 | } |
2339 | ||
2340 | /* | |
2341 | * Delete all MAC entries for this VNI. | |
2342 | */ | |
996c9314 | 2343 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2344 | uint32_t flags) |
2232a77c | 2345 | { |
d62a17ae | 2346 | struct mac_walk_ctx wctx; |
2232a77c | 2347 | |
d62a17ae | 2348 | if (!zvni->mac_table) |
2349 | return; | |
2232a77c | 2350 | |
d62a17ae | 2351 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2352 | wctx.zvni = zvni; | |
d62a17ae | 2353 | wctx.uninstall = uninstall; |
2354 | wctx.upd_client = upd_client; | |
2355 | wctx.flags = flags; | |
2232a77c | 2356 | |
b1599bb6 | 2357 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2358 | } |
2359 | ||
2360 | /* | |
2361 | * Look up MAC hash entry. | |
2362 | */ | |
d62a17ae | 2363 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2364 | { |
d62a17ae | 2365 | zebra_mac_t tmp; |
2366 | zebra_mac_t *pmac; | |
2232a77c | 2367 | |
d62a17ae | 2368 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2369 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2370 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2371 | |
d62a17ae | 2372 | return pmac; |
2232a77c | 2373 | } |
2374 | ||
2375 | /* | |
2376 | * Inform BGP about local MAC addition. | |
2377 | */ | |
996c9314 | 2378 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2379 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2380 | { |
d7c0a89a | 2381 | uint8_t flags = 0; |
ead40654 MK |
2382 | |
2383 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2384 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2385 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2386 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2387 | ||
2853fed6 | 2388 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2389 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2390 | } |
2391 | ||
2392 | /* | |
2393 | * Inform BGP about local MAC deletion. | |
2394 | */ | |
996c9314 | 2395 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2396 | uint8_t mac_flags) |
2232a77c | 2397 | { |
d7c0a89a | 2398 | uint8_t flags = 0; |
ead40654 MK |
2399 | |
2400 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2401 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2402 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2403 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2404 | ||
2853fed6 | 2405 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2406 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 2407 | } |
2408 | ||
2409 | /* | |
2410 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2411 | * notifications, to see if they are of interest. |
2232a77c | 2412 | */ |
d62a17ae | 2413 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2414 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2415 | { |
2853fed6 | 2416 | struct zebra_ns *zns; |
2417 | struct route_node *rn; | |
2418 | struct interface *tmp_if = NULL; | |
d62a17ae | 2419 | struct zebra_if *zif; |
2420 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2421 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2422 | uint8_t bridge_vlan_aware; |
d62a17ae | 2423 | zebra_vni_t *zvni; |
2853fed6 | 2424 | int found = 0; |
2232a77c | 2425 | |
d62a17ae | 2426 | /* Determine if bridge is VLAN-aware or not */ |
2427 | zif = br_if->info; | |
2428 | assert(zif); | |
2429 | br = &zif->l2info.br; | |
2430 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2431 | |
d62a17ae | 2432 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2433 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2434 | zns = zebra_ns_lookup(NS_DEFAULT); |
2435 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2436 | tmp_if = (struct interface *)rn->info; | |
2437 | if (!tmp_if) | |
2438 | continue; | |
d62a17ae | 2439 | zif = tmp_if->info; |
2440 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2441 | continue; | |
2442 | if (!if_is_operative(tmp_if)) | |
2443 | continue; | |
2444 | vxl = &zif->l2info.vxl; | |
2232a77c | 2445 | |
d62a17ae | 2446 | if (zif->brslave_info.br_if != br_if) |
2447 | continue; | |
2232a77c | 2448 | |
2853fed6 | 2449 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2450 | found = 1; | |
d62a17ae | 2451 | break; |
2853fed6 | 2452 | } |
d62a17ae | 2453 | } |
2232a77c | 2454 | |
2853fed6 | 2455 | if (!found) |
d62a17ae | 2456 | return NULL; |
2232a77c | 2457 | |
2853fed6 | 2458 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2459 | return zvni; |
2232a77c | 2460 | } |
2461 | ||
2462 | /* | |
2463 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2464 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2465 | */ |
b7cfce93 MK |
2466 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2467 | struct interface *br_if) | |
d62a17ae | 2468 | { |
2853fed6 | 2469 | struct zebra_ns *zns; |
2470 | struct route_node *rn; | |
2471 | struct interface *tmp_if = NULL; | |
d62a17ae | 2472 | struct zebra_if *zif; |
2473 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2474 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2475 | uint8_t bridge_vlan_aware; |
d62a17ae | 2476 | vlanid_t vid = 0; |
2477 | zebra_vni_t *zvni; | |
2853fed6 | 2478 | int found = 0; |
d62a17ae | 2479 | |
71349e03 MK |
2480 | if (!br_if) |
2481 | return NULL; | |
2482 | ||
d62a17ae | 2483 | /* Make sure the linked interface is a bridge. */ |
2484 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2485 | return NULL; | |
2486 | ||
d62a17ae | 2487 | /* Determine if bridge is VLAN-aware or not */ |
2488 | zif = br_if->info; | |
2489 | assert(zif); | |
2490 | br = &zif->l2info.br; | |
2491 | bridge_vlan_aware = br->vlan_aware; | |
2492 | if (bridge_vlan_aware) { | |
2493 | struct zebra_l2info_vlan *vl; | |
2494 | ||
2495 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2496 | return NULL; | |
2497 | ||
2498 | zif = ifp->info; | |
2499 | assert(zif); | |
2500 | vl = &zif->l2info.vl; | |
2501 | vid = vl->vid; | |
2502 | } | |
2503 | ||
2504 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2505 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2506 | zns = zebra_ns_lookup(NS_DEFAULT); |
2507 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2508 | tmp_if = (struct interface *)rn->info; | |
2509 | if (!tmp_if) | |
2510 | continue; | |
d62a17ae | 2511 | zif = tmp_if->info; |
2512 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2513 | continue; | |
2514 | if (!if_is_operative(tmp_if)) | |
2515 | continue; | |
2516 | vxl = &zif->l2info.vxl; | |
2517 | ||
2518 | if (zif->brslave_info.br_if != br_if) | |
2519 | continue; | |
2520 | ||
2853fed6 | 2521 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2522 | found = 1; | |
d62a17ae | 2523 | break; |
2853fed6 | 2524 | } |
d62a17ae | 2525 | } |
2526 | ||
2853fed6 | 2527 | if (!found) |
d62a17ae | 2528 | return NULL; |
2529 | ||
2853fed6 | 2530 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2531 | return zvni; |
2232a77c | 2532 | } |
2533 | ||
2534 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2535 | * of two cases: | |
2536 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2537 | * linked to the bridge | |
2538 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2539 | * itself | |
2540 | */ | |
2853fed6 | 2541 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2542 | { |
2853fed6 | 2543 | struct zebra_ns *zns; |
2544 | struct route_node *rn; | |
2545 | struct interface *tmp_if = NULL; | |
d62a17ae | 2546 | struct zebra_if *zif; |
2547 | struct zebra_l2info_bridge *br; | |
2548 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2549 | uint8_t bridge_vlan_aware; |
2853fed6 | 2550 | int found = 0; |
d62a17ae | 2551 | |
b5ebdc9b | 2552 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2553 | if (!br_if) | |
2554 | return NULL; | |
2555 | ||
d62a17ae | 2556 | /* Determine if bridge is VLAN-aware or not */ |
2557 | zif = br_if->info; | |
2558 | assert(zif); | |
2559 | br = &zif->l2info.br; | |
2560 | bridge_vlan_aware = br->vlan_aware; | |
2561 | ||
2562 | /* Check oper status of the SVI. */ | |
2563 | if (!bridge_vlan_aware) | |
2564 | return if_is_operative(br_if) ? br_if : NULL; | |
2565 | ||
2566 | /* Identify corresponding VLAN interface. */ | |
2567 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2568 | zns = zebra_ns_lookup(NS_DEFAULT); |
2569 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2570 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2571 | /* Check oper status of the SVI. */ |
2853fed6 | 2572 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2573 | continue; |
2574 | zif = tmp_if->info; | |
2575 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2576 | || zif->link != br_if) | |
2577 | continue; | |
2578 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2579 | ||
2853fed6 | 2580 | if (vl->vid == vid) { |
2581 | found = 1; | |
d62a17ae | 2582 | break; |
2853fed6 | 2583 | } |
d62a17ae | 2584 | } |
2585 | ||
2853fed6 | 2586 | return found ? tmp_if : NULL; |
2232a77c | 2587 | } |
2588 | ||
2589 | /* | |
2590 | * Install remote MAC into the kernel. | |
2591 | */ | |
d62a17ae | 2592 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2593 | { |
d62a17ae | 2594 | struct zebra_if *zif; |
2595 | struct zebra_l2info_vxlan *vxl; | |
d7c0a89a | 2596 | uint8_t sticky; |
2232a77c | 2597 | |
d62a17ae | 2598 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2599 | return 0; | |
2232a77c | 2600 | |
d62a17ae | 2601 | zif = zvni->vxlan_if->info; |
2602 | if (!zif) | |
2603 | return -1; | |
2604 | vxl = &zif->l2info.vxl; | |
2232a77c | 2605 | |
51f4dab4 AK |
2606 | sticky = CHECK_FLAG(mac->flags, |
2607 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)) ? 1 : 0; | |
c85c03c7 | 2608 | |
d62a17ae | 2609 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2610 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2611 | } |
2612 | ||
2613 | /* | |
2614 | * Uninstall remote MAC from the kernel. In the scenario where the MAC | |
2615 | * moves to remote, we have to uninstall any existing local entry first. | |
2616 | */ | |
d62a17ae | 2617 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac, int local) |
2232a77c | 2618 | { |
d62a17ae | 2619 | struct zebra_if *zif; |
2620 | struct zebra_l2info_vxlan *vxl; | |
2621 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2622 | struct zebra_ns *zns; | |
2623 | struct interface *ifp; | |
2232a77c | 2624 | |
d62a17ae | 2625 | if (!local && !(mac->flags & ZEBRA_MAC_REMOTE)) |
2626 | return 0; | |
2232a77c | 2627 | |
d62a17ae | 2628 | if (!zvni->vxlan_if) { |
9df414fe QY |
2629 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2630 | zvni->vni, zvni); | |
d62a17ae | 2631 | return -1; |
2632 | } | |
2232a77c | 2633 | |
d62a17ae | 2634 | zif = zvni->vxlan_if->info; |
2635 | if (!zif) | |
2636 | return -1; | |
2637 | vxl = &zif->l2info.vxl; | |
2232a77c | 2638 | |
d62a17ae | 2639 | if (local) { |
2640 | zns = zebra_ns_lookup(NS_DEFAULT); | |
2641 | ifp = if_lookup_by_index_per_ns(zns, | |
2642 | mac->fwd_info.local.ifindex); | |
2643 | if (!ifp) // unexpected | |
2644 | return -1; | |
2645 | } else { | |
2646 | ifp = zvni->vxlan_if; | |
2647 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2648 | } | |
2232a77c | 2649 | |
d62a17ae | 2650 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip, |
2651 | local); | |
2232a77c | 2652 | } |
2653 | ||
2654 | /* | |
2655 | * Install MAC hash entry - called upon access VLAN change. | |
2656 | */ | |
d62a17ae | 2657 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2658 | { |
d62a17ae | 2659 | zebra_mac_t *mac; |
2660 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2661 | |
d62a17ae | 2662 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2663 | |
d62a17ae | 2664 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2665 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2666 | } |
2667 | ||
2668 | /* | |
2669 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2670 | * appropriate. | |
2671 | */ | |
d62a17ae | 2672 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac, |
2673 | int uninstall) | |
2232a77c | 2674 | { |
60466a63 QY |
2675 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO) |
2676 | || !list_isempty(mac->neigh_list)) | |
d62a17ae | 2677 | return; |
2232a77c | 2678 | |
d62a17ae | 2679 | if (uninstall) |
2680 | zvni_mac_uninstall(zvni, mac, 0); | |
2232a77c | 2681 | |
d62a17ae | 2682 | zvni_mac_del(zvni, mac); |
2232a77c | 2683 | } |
2684 | ||
2685 | /* | |
2686 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2687 | */ | |
996c9314 | 2688 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2689 | { |
2853fed6 | 2690 | struct zebra_ns *zns; |
d62a17ae | 2691 | struct zebra_if *zif; |
2692 | struct interface *vlan_if; | |
2693 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2694 | struct interface *vrr_if; |
2232a77c | 2695 | |
d62a17ae | 2696 | zif = ifp->info; |
2697 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2698 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2699 | |
d62a17ae | 2700 | if (IS_ZEBRA_DEBUG_VXLAN) |
2701 | zlog_debug( | |
2853fed6 | 2702 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2703 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2704 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2705 | |
2853fed6 | 2706 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2707 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2708 | if (vlan_if) { |
2709 | ||
ead40654 MK |
2710 | /* Add SVI MAC-IP */ |
2711 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2712 | |
ead40654 MK |
2713 | /* Add VRR MAC-IP - if any*/ |
2714 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2715 | if (vrr_if) | |
2716 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2717 | |
2853fed6 | 2718 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2719 | } |
2232a77c | 2720 | } |
2721 | ||
2722 | /* | |
2723 | * Hash function for VNI. | |
2724 | */ | |
d62a17ae | 2725 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2726 | { |
d62a17ae | 2727 | const zebra_vni_t *zvni = p; |
2232a77c | 2728 | |
d62a17ae | 2729 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2730 | } |
2731 | ||
2732 | /* | |
2733 | * Compare 2 VNI hash entries. | |
2734 | */ | |
d62a17ae | 2735 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2736 | { |
d62a17ae | 2737 | const zebra_vni_t *zvni1 = p1; |
2738 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2739 | |
d62a17ae | 2740 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2741 | } |
2742 | ||
2743 | /* | |
2744 | * Callback to allocate VNI hash entry. | |
2745 | */ | |
d62a17ae | 2746 | static void *zvni_alloc(void *p) |
2232a77c | 2747 | { |
d62a17ae | 2748 | const zebra_vni_t *tmp_vni = p; |
2749 | zebra_vni_t *zvni; | |
2232a77c | 2750 | |
d62a17ae | 2751 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2752 | zvni->vni = tmp_vni->vni; | |
2753 | return ((void *)zvni); | |
2232a77c | 2754 | } |
2755 | ||
2756 | /* | |
2757 | * Look up VNI hash entry. | |
2758 | */ | |
2853fed6 | 2759 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2760 | { |
2853fed6 | 2761 | struct zebra_vrf *zvrf; |
d62a17ae | 2762 | zebra_vni_t tmp_vni; |
2763 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2764 | |
2853fed6 | 2765 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2766 | assert(zvrf); | |
d62a17ae | 2767 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2768 | tmp_vni.vni = vni; | |
2769 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2770 | |
d62a17ae | 2771 | return zvni; |
2232a77c | 2772 | } |
2773 | ||
2774 | /* | |
2775 | * Add VNI hash entry. | |
2776 | */ | |
2853fed6 | 2777 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2778 | { |
2853fed6 | 2779 | struct zebra_vrf *zvrf; |
d62a17ae | 2780 | zebra_vni_t tmp_zvni; |
2781 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2782 | |
2853fed6 | 2783 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2784 | assert(zvrf); | |
d62a17ae | 2785 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2786 | tmp_zvni.vni = vni; | |
2787 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2788 | assert(zvni); | |
2232a77c | 2789 | |
d62a17ae | 2790 | /* Create hash table for MAC */ |
2791 | zvni->mac_table = | |
2792 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2793 | |
d62a17ae | 2794 | /* Create hash table for neighbors */ |
2795 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2796 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2797 | |
d62a17ae | 2798 | return zvni; |
2232a77c | 2799 | } |
2800 | ||
2801 | /* | |
2802 | * Delete VNI hash entry. | |
2803 | */ | |
2853fed6 | 2804 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2805 | { |
2853fed6 | 2806 | struct zebra_vrf *zvrf; |
d62a17ae | 2807 | zebra_vni_t *tmp_zvni; |
2232a77c | 2808 | |
2853fed6 | 2809 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2810 | assert(zvrf); | |
2811 | ||
d62a17ae | 2812 | zvni->vxlan_if = NULL; |
2232a77c | 2813 | |
d62a17ae | 2814 | /* Free the neighbor hash table. */ |
2815 | hash_free(zvni->neigh_table); | |
2816 | zvni->neigh_table = NULL; | |
2232a77c | 2817 | |
d62a17ae | 2818 | /* Free the MAC hash table. */ |
2819 | hash_free(zvni->mac_table); | |
2820 | zvni->mac_table = NULL; | |
2232a77c | 2821 | |
d62a17ae | 2822 | /* Free the VNI hash entry and allocated memory. */ |
2823 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2824 | if (tmp_zvni) | |
2825 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2826 | |
d62a17ae | 2827 | return 0; |
2232a77c | 2828 | } |
2829 | ||
2830 | /* | |
2831 | * Inform BGP about local VNI addition. | |
2832 | */ | |
2853fed6 | 2833 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2834 | { |
d62a17ae | 2835 | struct zserv *client; |
2836 | struct stream *s; | |
2232a77c | 2837 | |
21ccc0cf | 2838 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2839 | /* BGP may not be running. */ |
2840 | if (!client) | |
2841 | return 0; | |
2232a77c | 2842 | |
1002497a | 2843 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2844 | |
7cf15b25 | 2845 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2846 | stream_putl(s, zvni->vni); |
2847 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2848 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2849 | |
d62a17ae | 2850 | /* Write packet size. */ |
2851 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2852 | |
d62a17ae | 2853 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2854 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2855 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2856 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2857 | zebra_route_string(client->proto)); |
2232a77c | 2858 | |
d62a17ae | 2859 | client->vniadd_cnt++; |
21ccc0cf | 2860 | return zserv_send_message(client, s); |
2232a77c | 2861 | } |
2862 | ||
2863 | /* | |
2864 | * Inform BGP about local VNI deletion. | |
2865 | */ | |
2853fed6 | 2866 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2867 | { |
d62a17ae | 2868 | struct zserv *client; |
2869 | struct stream *s; | |
2232a77c | 2870 | |
21ccc0cf | 2871 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2872 | /* BGP may not be running. */ |
2873 | if (!client) | |
2874 | return 0; | |
2232a77c | 2875 | |
1002497a | 2876 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2877 | stream_reset(s); |
2232a77c | 2878 | |
7cf15b25 | 2879 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2880 | stream_putl(s, vni); |
2232a77c | 2881 | |
d62a17ae | 2882 | /* Write packet size. */ |
2883 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2884 | |
d62a17ae | 2885 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2886 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2887 | zebra_route_string(client->proto)); |
2232a77c | 2888 | |
d62a17ae | 2889 | client->vnidel_cnt++; |
21ccc0cf | 2890 | return zserv_send_message(client, s); |
2232a77c | 2891 | } |
2892 | ||
2893 | /* | |
2894 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2895 | * is called when EVPN (advertise-all-vni) is enabled. | |
2896 | */ | |
2853fed6 | 2897 | static void zvni_build_hash_table() |
2232a77c | 2898 | { |
2853fed6 | 2899 | struct zebra_ns *zns; |
2900 | struct route_node *rn; | |
d62a17ae | 2901 | struct interface *ifp; |
2232a77c | 2902 | |
d62a17ae | 2903 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2904 | zns = zebra_ns_lookup(NS_DEFAULT); |
2905 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2906 | vni_t vni; |
643215ce | 2907 | zebra_vni_t *zvni = NULL; |
2908 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2909 | struct zebra_if *zif; |
2910 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2911 | |
2853fed6 | 2912 | ifp = (struct interface *)rn->info; |
2913 | if (!ifp) | |
2914 | continue; | |
d62a17ae | 2915 | zif = ifp->info; |
2916 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2917 | continue; | |
2232a77c | 2918 | |
b7cfce93 | 2919 | vxl = &zif->l2info.vxl; |
d62a17ae | 2920 | vni = vxl->vni; |
2232a77c | 2921 | |
643215ce | 2922 | /* L3-VNI and L2-VNI are handled seperately */ |
2923 | zl3vni = zl3vni_lookup(vni); | |
2924 | if (zl3vni) { | |
2232a77c | 2925 | |
b7cfce93 | 2926 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2927 | zlog_debug( |
2928 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2929 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2930 | |
b7cfce93 | 2931 | /* associate with vxlan_if */ |
b67a60d2 | 2932 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2933 | zl3vni->vxlan_if = ifp; |
2232a77c | 2934 | |
523cafc4 | 2935 | /* |
2936 | * we need to associate with SVI. | |
b7cfce93 | 2937 | * we can associate with svi-if only after association |
523cafc4 | 2938 | * with vxlan-intf is complete |
2939 | */ | |
b7cfce93 MK |
2940 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2941 | ||
2942 | if (is_l3vni_oper_up(zl3vni)) | |
2943 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2944 | ||
2945 | } else { | |
b7cfce93 MK |
2946 | struct interface *vlan_if = NULL; |
2947 | ||
2948 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2949 | zlog_debug( | |
2950 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2951 | ifp->name, ifp->ifindex, vni, | |
2952 | inet_ntoa(vxl->vtep_ip)); | |
2953 | ||
2954 | /* VNI hash entry is not expected to exist. */ | |
2955 | zvni = zvni_lookup(vni); | |
2956 | if (zvni) { | |
9df414fe | 2957 | zlog_debug( |
b7cfce93 MK |
2958 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2959 | ifp->name, ifp->ifindex, vni); | |
2960 | continue; | |
2961 | } | |
2962 | ||
2963 | zvni = zvni_add(vni); | |
2964 | if (!zvni) { | |
9df414fe | 2965 | zlog_debug( |
b7cfce93 MK |
2966 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
2967 | ifp->name, ifp->ifindex, vni); | |
2968 | return; | |
2969 | } | |
2970 | ||
2971 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2972 | zvni->vxlan_if = ifp; | |
2973 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2974 | zif->brslave_info.br_if); | |
2975 | if (vlan_if) { | |
2976 | zvni->vrf_id = vlan_if->vrf_id; | |
2977 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2978 | if (zl3vni) | |
2979 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
2980 | } | |
2981 | ||
2982 | ||
2983 | /* Inform BGP if intf is up and mapped to bridge. */ | |
2984 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
2985 | zvni_send_add_to_client(zvni); | |
2986 | } | |
d62a17ae | 2987 | } |
2232a77c | 2988 | } |
2989 | ||
2990 | /* | |
2991 | * See if remote VTEP matches with prefix. | |
2992 | */ | |
d62a17ae | 2993 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 2994 | { |
d62a17ae | 2995 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 2996 | } |
2997 | ||
2998 | /* | |
2999 | * Locate remote VTEP in VNI hash table. | |
3000 | */ | |
d62a17ae | 3001 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3002 | { |
d62a17ae | 3003 | zebra_vtep_t *zvtep; |
2232a77c | 3004 | |
d62a17ae | 3005 | if (!zvni) |
3006 | return NULL; | |
2232a77c | 3007 | |
d62a17ae | 3008 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3009 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3010 | break; | |
3011 | } | |
2232a77c | 3012 | |
d62a17ae | 3013 | return zvtep; |
2232a77c | 3014 | } |
3015 | ||
3016 | /* | |
3017 | * Add remote VTEP to VNI hash table. | |
3018 | */ | |
d62a17ae | 3019 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3020 | { |
d62a17ae | 3021 | zebra_vtep_t *zvtep; |
2232a77c | 3022 | |
d62a17ae | 3023 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3024 | |
d62a17ae | 3025 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3026 | |
d62a17ae | 3027 | if (zvni->vteps) |
3028 | zvni->vteps->prev = zvtep; | |
3029 | zvtep->next = zvni->vteps; | |
3030 | zvni->vteps = zvtep; | |
2232a77c | 3031 | |
d62a17ae | 3032 | return zvtep; |
2232a77c | 3033 | } |
3034 | ||
3035 | /* | |
3036 | * Remove remote VTEP from VNI hash table. | |
3037 | */ | |
d62a17ae | 3038 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3039 | { |
d62a17ae | 3040 | if (zvtep->next) |
3041 | zvtep->next->prev = zvtep->prev; | |
3042 | if (zvtep->prev) | |
3043 | zvtep->prev->next = zvtep->next; | |
3044 | else | |
3045 | zvni->vteps = zvtep->next; | |
2232a77c | 3046 | |
d62a17ae | 3047 | zvtep->prev = zvtep->next = NULL; |
3048 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3049 | |
d62a17ae | 3050 | return 0; |
2232a77c | 3051 | } |
3052 | ||
3053 | /* | |
3054 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3055 | * uninstall from kernel if asked to. | |
3056 | */ | |
d62a17ae | 3057 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3058 | { |
d62a17ae | 3059 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3060 | |
d62a17ae | 3061 | if (!zvni) |
3062 | return -1; | |
2232a77c | 3063 | |
d62a17ae | 3064 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3065 | zvtep_next = zvtep->next; | |
3066 | if (uninstall) | |
3067 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3068 | zvni_vtep_del(zvni, zvtep); | |
3069 | } | |
2232a77c | 3070 | |
d62a17ae | 3071 | return 0; |
2232a77c | 3072 | } |
3073 | ||
3074 | /* | |
3075 | * Install remote VTEP into the kernel. | |
3076 | */ | |
d62a17ae | 3077 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3078 | { |
d62a17ae | 3079 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3080 | } |
3081 | ||
3082 | /* | |
3083 | * Uninstall remote VTEP from the kernel. | |
3084 | */ | |
d62a17ae | 3085 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3086 | { |
d62a17ae | 3087 | if (!zvni->vxlan_if) { |
9df414fe QY |
3088 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3089 | zvni->vni, zvni); | |
d62a17ae | 3090 | return -1; |
3091 | } | |
2232a77c | 3092 | |
d62a17ae | 3093 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3094 | } |
3095 | ||
3096 | /* | |
3097 | * Cleanup VNI/VTEP and update kernel | |
3098 | */ | |
84915b0a | 3099 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3100 | { |
b7cfce93 MK |
3101 | zebra_vni_t *zvni = NULL; |
3102 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3103 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3104 | |
d62a17ae | 3105 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3106 | |
b7cfce93 | 3107 | /* remove from l3-vni list */ |
84915b0a | 3108 | if (zvrf->l3vni) |
3109 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3110 | if (zl3vni) |
3111 | listnode_delete(zl3vni->l2vnis, zvni); | |
3112 | ||
d62a17ae | 3113 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3114 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3115 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3116 | |
d62a17ae | 3117 | /* Free up all remote VTEPs, if any. */ |
3118 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3119 | |
d62a17ae | 3120 | /* Delete the hash entry. */ |
2853fed6 | 3121 | zvni_del(zvni); |
2232a77c | 3122 | } |
3123 | ||
655b04d1 | 3124 | /* cleanup L3VNI */ |
996c9314 | 3125 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3126 | { |
3127 | zebra_l3vni_t *zl3vni = NULL; | |
3128 | ||
3129 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3130 | |
3131 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3132 | } | |
3133 | ||
85442b09 | 3134 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3135 | struct prefix *host) |
5e1b0650 DS |
3136 | { |
3137 | struct host_rb_entry lookup; | |
3138 | struct host_rb_entry *hle; | |
3139 | ||
3140 | memset(&lookup, 0, sizeof(lookup)); | |
3141 | memcpy(&lookup.p, host, sizeof(*host)); | |
3142 | ||
85442b09 | 3143 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3144 | if (hle) |
3145 | return; | |
3146 | ||
3147 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3148 | memcpy(hle, &lookup, sizeof(lookup)); | |
3149 | ||
85442b09 | 3150 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3151 | } |
3152 | ||
85442b09 | 3153 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3154 | { |
3155 | struct host_rb_entry lookup; | |
3156 | struct host_rb_entry *hle; | |
3157 | ||
3158 | memset(&lookup, 0, sizeof(lookup)); | |
3159 | memcpy(&lookup.p, host, sizeof(*host)); | |
3160 | ||
85442b09 | 3161 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3162 | if (hle) { |
85442b09 | 3163 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3164 | XFREE(MTYPE_HOST_PREFIX, hle); |
3165 | } | |
5e1b0650 DS |
3166 | |
3167 | return; | |
3168 | } | |
3169 | ||
b7cfce93 MK |
3170 | /* |
3171 | * Look up MAC hash entry. | |
3172 | */ | |
2dbad57f | 3173 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3174 | struct ethaddr *rmac) |
3175 | { | |
3176 | zebra_mac_t tmp; | |
3177 | zebra_mac_t *pmac; | |
3178 | ||
3179 | memset(&tmp, 0, sizeof(tmp)); | |
3180 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3181 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3182 | |
b7cfce93 | 3183 | return pmac; |
2dbad57f | 3184 | } |
2232a77c | 3185 | |
cec2e17d | 3186 | /* |
b7cfce93 | 3187 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3188 | */ |
2dbad57f | 3189 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3190 | { |
b7cfce93 MK |
3191 | const zebra_mac_t *tmp_rmac = p; |
3192 | zebra_mac_t *zrmac; | |
d62a17ae | 3193 | |
b7cfce93 MK |
3194 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3195 | *zrmac = *tmp_rmac; | |
d62a17ae | 3196 | |
b7cfce93 | 3197 | return ((void *)zrmac); |
2dbad57f | 3198 | } |
cd233079 | 3199 | |
b7cfce93 MK |
3200 | /* |
3201 | * Add RMAC entry to l3-vni | |
3202 | */ | |
996c9314 | 3203 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3204 | { |
3205 | zebra_mac_t tmp_rmac; | |
3206 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3207 | |
b7cfce93 MK |
3208 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3209 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3210 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3211 | assert(zrmac); | |
d62a17ae | 3212 | |
85442b09 | 3213 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3214 | |
2dbad57f | 3215 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3216 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3217 | ||
b7cfce93 | 3218 | return zrmac; |
2dbad57f | 3219 | } |
cec2e17d | 3220 | |
3221 | /* | |
b7cfce93 | 3222 | * Delete MAC entry. |
cec2e17d | 3223 | */ |
996c9314 | 3224 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3225 | { |
b7cfce93 | 3226 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3227 | struct host_rb_entry *hle; |
cd233079 | 3228 | |
85442b09 DS |
3229 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3230 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3231 | |
85442b09 | 3232 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3233 | XFREE(MTYPE_HOST_PREFIX, hle); |
3234 | } | |
cd233079 | 3235 | |
b7cfce93 MK |
3236 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3237 | if (tmp_rmac) | |
3238 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3239 | |
b7cfce93 | 3240 | return 0; |
2dbad57f | 3241 | } |
cec2e17d | 3242 | |
3243 | /* | |
b7cfce93 | 3244 | * Install remote RMAC into the kernel. |
cec2e17d | 3245 | */ |
996c9314 | 3246 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3247 | { |
b7cfce93 MK |
3248 | struct zebra_if *zif = NULL; |
3249 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3250 | |
996c9314 LB |
3251 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3252 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3253 | return 0; |
3254 | ||
3255 | zif = zl3vni->vxlan_if->info; | |
3256 | if (!zif) | |
3257 | return -1; | |
3258 | ||
3259 | vxl = &zif->l2info.vxl; | |
3260 | ||
3261 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3262 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3263 | } |
b7cfce93 MK |
3264 | |
3265 | /* | |
3266 | * Uninstall remote RMAC from the kernel. | |
3267 | */ | |
996c9314 | 3268 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3269 | { |
3270 | char buf[ETHER_ADDR_STRLEN]; | |
3271 | struct zebra_if *zif = NULL; | |
3272 | struct zebra_l2info_vxlan *vxl = NULL; | |
3273 | ||
996c9314 LB |
3274 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3275 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3276 | return 0; |
3277 | ||
3278 | if (!zl3vni->vxlan_if) { | |
9df414fe | 3279 | zlog_debug( |
996c9314 LB |
3280 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3281 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3282 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3283 | return -1; |
3284 | } | |
3285 | ||
3286 | zif = zl3vni->vxlan_if->info; | |
3287 | if (!zif) | |
3288 | return -1; | |
3289 | ||
3290 | vxl = &zif->l2info.vxl; | |
3291 | ||
3292 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
3293 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); | |
2dbad57f | 3294 | } |
3295 | ||
3296 | /* handle rmac add */ | |
996c9314 | 3297 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3298 | struct ipaddr *vtep_ip, |
3299 | struct prefix *host_prefix) | |
2dbad57f | 3300 | { |
3301 | char buf[ETHER_ADDR_STRLEN]; | |
3302 | char buf1[INET6_ADDRSTRLEN]; | |
3303 | zebra_mac_t *zrmac = NULL; | |
3304 | ||
3305 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3306 | if (!zrmac) { | |
3307 | ||
3308 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3309 | if (!zrmac) { | |
9df414fe | 3310 | zlog_debug( |
2dbad57f | 3311 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
3312 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3313 | zl3vni->vni, | |
3314 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3315 | return -1; |
3316 | } | |
3317 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3318 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3319 | ||
3320 | /* install rmac in kernel */ | |
3321 | zl3vni_rmac_install(zl3vni, zrmac); | |
3322 | } | |
6134fd82 | 3323 | |
41db76c2 | 3324 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3325 | |
2dbad57f | 3326 | return 0; |
3327 | } | |
3328 | ||
3329 | ||
3330 | /* handle rmac delete */ | |
22e63104 | 3331 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3332 | struct prefix *host_prefix) |
2dbad57f | 3333 | { |
41db76c2 | 3334 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3335 | |
85442b09 | 3336 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3337 | /* uninstall from kernel */ |
3338 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3339 | ||
3340 | /* del the rmac entry */ | |
3341 | zl3vni_rmac_del(zl3vni, zrmac); | |
3342 | } | |
2dbad57f | 3343 | } |
b7cfce93 MK |
3344 | |
3345 | /* | |
3346 | * Look up nh hash entry on a l3-vni. | |
3347 | */ | |
996c9314 | 3348 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3349 | { |
3350 | zebra_neigh_t tmp; | |
3351 | zebra_neigh_t *n; | |
3352 | ||
3353 | memset(&tmp, 0, sizeof(tmp)); | |
3354 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3355 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3356 | ||
3357 | return n; | |
2dbad57f | 3358 | } |
b7cfce93 MK |
3359 | |
3360 | ||
3361 | /* | |
3362 | * Callback to allocate NH hash entry on L3-VNI. | |
3363 | */ | |
2dbad57f | 3364 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3365 | { |
3366 | const zebra_neigh_t *tmp_n = p; | |
3367 | zebra_neigh_t *n; | |
3368 | ||
3369 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3370 | *n = *tmp_n; | |
3371 | ||
3372 | return ((void *)n); | |
2dbad57f | 3373 | } |
b7cfce93 MK |
3374 | |
3375 | /* | |
3376 | * Add neighbor entry. | |
3377 | */ | |
996c9314 | 3378 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3379 | struct ethaddr *mac) |
3380 | { | |
3381 | zebra_neigh_t tmp_n; | |
3382 | zebra_neigh_t *n = NULL; | |
3383 | ||
3384 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3385 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3386 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3387 | assert(n); | |
3388 | ||
85442b09 | 3389 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3390 | |
b7cfce93 | 3391 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3392 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3393 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3394 | |
3395 | return n; | |
2dbad57f | 3396 | } |
b7cfce93 MK |
3397 | |
3398 | /* | |
3399 | * Delete neighbor entry. | |
3400 | */ | |
996c9314 | 3401 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3402 | { |
3403 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3404 | struct host_rb_entry *hle; |
b7cfce93 | 3405 | |
85442b09 DS |
3406 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3407 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3408 | |
85442b09 | 3409 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3410 | XFREE(MTYPE_HOST_PREFIX, hle); |
3411 | } | |
55aabf6f | 3412 | |
b7cfce93 MK |
3413 | tmp_n = hash_release(zl3vni->nh_table, n); |
3414 | if (tmp_n) | |
3415 | XFREE(MTYPE_NEIGH, tmp_n); | |
3416 | ||
3417 | return 0; | |
2dbad57f | 3418 | } |
b7cfce93 MK |
3419 | |
3420 | /* | |
3421 | * Install remote nh as neigh into the kernel. | |
3422 | */ | |
996c9314 | 3423 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3424 | { |
f7dae312 | 3425 | #ifdef GNU_LINUX |
68e33151 | 3426 | uint8_t flags; |
f7dae312 | 3427 | #endif |
68e33151 CS |
3428 | int ret = 0; |
3429 | ||
b7cfce93 MK |
3430 | if (!is_l3vni_oper_up(zl3vni)) |
3431 | return -1; | |
3432 | ||
996c9314 LB |
3433 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3434 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3435 | return 0; |
68e33151 CS |
3436 | #ifdef GNU_LINUX |
3437 | flags = NTF_EXT_LEARNED; | |
3438 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3439 | flags |= NTF_ROUTER; | |
3440 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3441 | #endif | |
3442 | return ret; | |
2dbad57f | 3443 | } |
b7cfce93 MK |
3444 | |
3445 | /* | |
3446 | * Uninstall remote nh from the kernel. | |
3447 | */ | |
996c9314 | 3448 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3449 | { |
996c9314 LB |
3450 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3451 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3452 | return 0; |
3453 | ||
fa409e1e | 3454 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3455 | return 0; | |
3456 | ||
b7cfce93 | 3457 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3458 | } |
3459 | ||
3460 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3461 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3462 | struct ethaddr *rmac, |
3463 | struct prefix *host_prefix) | |
2dbad57f | 3464 | { |
3465 | char buf[ETHER_ADDR_STRLEN]; | |
3466 | char buf1[INET6_ADDRSTRLEN]; | |
3467 | zebra_neigh_t *nh = NULL; | |
3468 | ||
3469 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3470 | if (!nh) { | |
3471 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3472 | if (!nh) { | |
3473 | ||
9df414fe | 3474 | zlog_debug( |
2dbad57f | 3475 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
3476 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3477 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3478 | zl3vni->vni); |
3479 | return -1; | |
3480 | } | |
3481 | ||
3482 | /* install the nh neigh in kernel */ | |
3483 | zl3vni_nh_install(zl3vni, nh); | |
3484 | } | |
6134fd82 | 3485 | |
f2a503f0 | 3486 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3487 | |
2dbad57f | 3488 | return 0; |
3489 | } | |
3490 | ||
3491 | /* handle nh neigh delete */ | |
22e63104 | 3492 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3493 | struct prefix *host_prefix) | |
2dbad57f | 3494 | { |
f2a503f0 | 3495 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3496 | |
85442b09 | 3497 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3498 | /* uninstall from kernel */ |
3499 | zl3vni_nh_uninstall(zl3vni, nh); | |
3500 | ||
3501 | /* delete the nh entry */ | |
3502 | zl3vni_nh_del(zl3vni, nh); | |
3503 | } | |
2dbad57f | 3504 | } |
b7cfce93 | 3505 | |
3bcbba10 | 3506 | /* handle neigh update from kernel - the only thing of interest is to |
3507 | * readd stale entries. | |
3508 | */ | |
996c9314 | 3509 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3510 | uint16_t state) |
3bcbba10 | 3511 | { |
c05a738b | 3512 | #ifdef GNU_LINUX |
3bcbba10 | 3513 | zebra_neigh_t *n = NULL; |
3514 | ||
3515 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3516 | if (!n) | |
3517 | return 0; | |
3518 | ||
3519 | /* all next hop neigh are remote and installed by frr. | |
3520 | * If the kernel has aged this entry, re-install. | |
3521 | */ | |
3522 | if (state & NUD_STALE) | |
3523 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3524 | #endif |
3bcbba10 | 3525 | return 0; |
3526 | } | |
3527 | ||
8c9b80b9 | 3528 | /* handle neigh delete from kernel */ |
996c9314 | 3529 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3530 | { |
3531 | zebra_neigh_t *n = NULL; | |
3532 | ||
3533 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3534 | if (!n) | |
3535 | return 0; | |
3536 | ||
3537 | /* all next hop neigh are remote and installed by frr. | |
3538 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3539 | * install it back |
3540 | */ | |
8c9b80b9 MK |
3541 | zl3vni_nh_install(zl3vni, n); |
3542 | ||
3543 | return 0; | |
3544 | } | |
3545 | ||
b7cfce93 MK |
3546 | /* |
3547 | * Hash function for L3 VNI. | |
3548 | */ | |
3549 | static unsigned int l3vni_hash_keymake(void *p) | |
3550 | { | |
3551 | const zebra_l3vni_t *zl3vni = p; | |
3552 | ||
3553 | return jhash_1word(zl3vni->vni, 0); | |
3554 | } | |
3555 | ||
3556 | /* | |
3557 | * Compare 2 L3 VNI hash entries. | |
3558 | */ | |
3559 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3560 | { | |
3561 | const zebra_l3vni_t *zl3vni1 = p1; | |
3562 | const zebra_l3vni_t *zl3vni2 = p2; | |
3563 | ||
3564 | return (zl3vni1->vni == zl3vni2->vni); | |
3565 | } | |
3566 | ||
3567 | /* | |
3568 | * Callback to allocate L3 VNI hash entry. | |
3569 | */ | |
3570 | static void *zl3vni_alloc(void *p) | |
3571 | { | |
3572 | zebra_l3vni_t *zl3vni = NULL; | |
3573 | const zebra_l3vni_t *tmp_l3vni = p; | |
3574 | ||
3575 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3576 | zl3vni->vni = tmp_l3vni->vni; | |
3577 | return ((void *)zl3vni); | |
3578 | } | |
3579 | ||
3580 | /* | |
3581 | * Look up L3 VNI hash entry. | |
3582 | */ | |
3583 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3584 | { | |
3585 | struct zebra_ns *zns; | |
3586 | zebra_l3vni_t tmp_l3vni; | |
3587 | zebra_l3vni_t *zl3vni = NULL; | |
3588 | ||
3589 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3590 | assert(zns); | |
3591 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3592 | tmp_l3vni.vni = vni; | |
3593 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3594 | ||
3595 | return zl3vni; | |
3596 | } | |
3597 | ||
3598 | /* | |
3599 | * Add L3 VNI hash entry. | |
3600 | */ | |
3601 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3602 | { | |
3603 | zebra_l3vni_t tmp_zl3vni; | |
3604 | struct zebra_ns *zns = NULL; | |
3605 | zebra_l3vni_t *zl3vni = NULL; | |
3606 | ||
3607 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3608 | assert(zns); | |
3609 | ||
3610 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3611 | tmp_zl3vni.vni = vni; | |
3612 | ||
3613 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3614 | assert(zl3vni); | |
3615 | ||
3616 | zl3vni->vrf_id = vrf_id; | |
3617 | zl3vni->svi_if = NULL; | |
3618 | zl3vni->vxlan_if = NULL; | |
3619 | zl3vni->l2vnis = list_new(); | |
3620 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3621 | ||
3622 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3623 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3624 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3625 | |
3626 | /* Create hash table for neighbors */ | |
3627 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3628 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3629 | |
3630 | return zl3vni; | |
3631 | } | |
3632 | ||
3633 | /* | |
3634 | * Delete L3 VNI hash entry. | |
3635 | */ | |
3636 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3637 | { | |
3638 | struct zebra_ns *zns; | |
3639 | zebra_l3vni_t *tmp_zl3vni; | |
3640 | ||
3641 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3642 | assert(zns); | |
3643 | ||
3644 | /* free the list of l2vnis */ | |
3645 | list_delete_and_null(&zl3vni->l2vnis); | |
3646 | zl3vni->l2vnis = NULL; | |
3647 | ||
3648 | /* Free the rmac table */ | |
3649 | hash_free(zl3vni->rmac_table); | |
3650 | zl3vni->rmac_table = NULL; | |
3651 | ||
3652 | /* Free the nh table */ | |
3653 | hash_free(zl3vni->nh_table); | |
3654 | zl3vni->nh_table = NULL; | |
3655 | ||
3656 | /* Free the VNI hash entry and allocated memory. */ | |
3657 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3658 | if (tmp_zl3vni) | |
3659 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3660 | ||
3661 | return 0; | |
3662 | } | |
3663 | ||
b7cfce93 MK |
3664 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3665 | { | |
3666 | struct zebra_ns *zns = NULL; | |
3667 | struct route_node *rn = NULL; | |
3668 | struct interface *ifp = NULL; | |
3669 | ||
3670 | /* loop through all vxlan-interface */ | |
3671 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3672 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3673 | ||
3674 | struct zebra_if *zif = NULL; | |
3675 | struct zebra_l2info_vxlan *vxl = NULL; | |
3676 | ||
3677 | ifp = (struct interface *)rn->info; | |
3678 | if (!ifp) | |
3679 | continue; | |
3680 | ||
3681 | zif = ifp->info; | |
3682 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3683 | continue; | |
3684 | ||
3685 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3686 | if (vxl->vni == zl3vni->vni) { |
3687 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3688 | return ifp; |
b67a60d2 | 3689 | } |
b7cfce93 MK |
3690 | } |
3691 | ||
3692 | return NULL; | |
3693 | } | |
3694 | ||
3695 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3696 | { | |
996c9314 | 3697 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3698 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3699 | ||
2aeb403d | 3700 | if (!zl3vni) |
3701 | return NULL; | |
3702 | ||
b7cfce93 MK |
3703 | if (!zl3vni->vxlan_if) |
3704 | return NULL; | |
3705 | ||
3706 | zif = zl3vni->vxlan_if->info; | |
3707 | if (!zif) | |
3708 | return NULL; | |
3709 | ||
3710 | vxl = &zif->l2info.vxl; | |
3711 | ||
3712 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3713 | } | |
3714 | ||
3715 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3716 | { | |
3717 | struct zebra_vrf *zvrf = NULL; | |
3718 | ||
3719 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3720 | if (!zvrf) | |
3721 | return NULL; | |
3722 | ||
3723 | return zl3vni_lookup(zvrf->l3vni); | |
3724 | } | |
3725 | ||
3726 | /* | |
3727 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3728 | * neighbor notifications, to see if they are of interest. | |
3729 | */ | |
3730 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3731 | struct interface *br_if) | |
3732 | { | |
3733 | int found = 0; | |
3734 | vlanid_t vid = 0; | |
d7c0a89a | 3735 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3736 | zebra_l3vni_t *zl3vni = NULL; |
3737 | struct zebra_ns *zns = NULL; | |
3738 | struct route_node *rn = NULL; | |
3739 | struct zebra_if *zif = NULL; | |
3740 | struct interface *tmp_if = NULL; | |
3741 | struct zebra_l2info_bridge *br = NULL; | |
3742 | struct zebra_l2info_vxlan *vxl = NULL; | |
3743 | ||
3744 | if (!br_if) | |
3745 | return NULL; | |
3746 | ||
3747 | /* Make sure the linked interface is a bridge. */ | |
3748 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3749 | return NULL; | |
3750 | ||
3751 | /* Determine if bridge is VLAN-aware or not */ | |
3752 | zif = br_if->info; | |
3753 | assert(zif); | |
3754 | br = &zif->l2info.br; | |
3755 | bridge_vlan_aware = br->vlan_aware; | |
3756 | if (bridge_vlan_aware) { | |
3757 | struct zebra_l2info_vlan *vl; | |
3758 | ||
3759 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3760 | return NULL; | |
3761 | ||
3762 | zif = ifp->info; | |
3763 | assert(zif); | |
3764 | vl = &zif->l2info.vl; | |
3765 | vid = vl->vid; | |
3766 | } | |
3767 | ||
3768 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3769 | /* TODO: Optimize with a hash. */ | |
3770 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3771 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3772 | tmp_if = (struct interface *)rn->info; | |
3773 | if (!tmp_if) | |
3774 | continue; | |
3775 | zif = tmp_if->info; | |
3776 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3777 | continue; | |
3778 | if (!if_is_operative(tmp_if)) | |
3779 | continue; | |
3780 | vxl = &zif->l2info.vxl; | |
3781 | ||
3782 | if (zif->brslave_info.br_if != br_if) | |
3783 | continue; | |
3784 | ||
3785 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3786 | found = 1; | |
3787 | break; | |
3788 | } | |
3789 | } | |
3790 | ||
3791 | if (!found) | |
3792 | return NULL; | |
3793 | ||
3794 | zl3vni = zl3vni_lookup(vxl->vni); | |
3795 | return zl3vni; | |
3796 | } | |
3797 | ||
3798 | /* | |
3799 | * Inform BGP about l3-vni. | |
3800 | */ | |
3801 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3802 | { | |
3803 | struct stream *s = NULL; | |
3804 | struct zserv *client = NULL; | |
3805 | struct ethaddr rmac; | |
3806 | char buf[ETHER_ADDR_STRLEN]; | |
3807 | ||
21ccc0cf | 3808 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3809 | /* BGP may not be running. */ |
3810 | if (!client) | |
3811 | return 0; | |
3812 | ||
3813 | /* get the rmac */ | |
3814 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3815 | zl3vni_get_rmac(zl3vni, &rmac); | |
3816 | ||
1002497a | 3817 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3818 | |
996c9314 | 3819 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3820 | stream_putl(s, zl3vni->vni); |
3821 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3822 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3823 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3824 | |
3825 | /* Write packet size. */ | |
3826 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3827 | ||
3828 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3829 | zlog_debug( |
996c9314 LB |
3830 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3831 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3832 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3833 | inet_ntoa(zl3vni->local_vtep_ip), | |
3834 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3835 | ? "prefix-routes-only" | |
3836 | : "none", | |
3837 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3838 | |
3839 | client->l3vniadd_cnt++; | |
21ccc0cf | 3840 | return zserv_send_message(client, s); |
b7cfce93 MK |
3841 | } |
3842 | ||
3843 | /* | |
3844 | * Inform BGP about local l3-VNI deletion. | |
3845 | */ | |
3846 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3847 | { | |
3848 | struct stream *s = NULL; | |
3849 | struct zserv *client = NULL; | |
3850 | ||
21ccc0cf | 3851 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3852 | /* BGP may not be running. */ |
3853 | if (!client) | |
3854 | return 0; | |
3855 | ||
1002497a | 3856 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3857 | |
996c9314 | 3858 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3859 | stream_putl(s, zl3vni->vni); |
3860 | ||
3861 | /* Write packet size. */ | |
3862 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3863 | ||
3864 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3865 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3866 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3867 | zebra_route_string(client->proto)); | |
3868 | ||
3869 | client->l3vnidel_cnt++; | |
21ccc0cf | 3870 | return zserv_send_message(client, s); |
b7cfce93 MK |
3871 | } |
3872 | ||
3873 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3874 | { | |
2aeb403d | 3875 | if (!zl3vni) |
3876 | return; | |
3877 | ||
b7cfce93 MK |
3878 | /* send l3vni add to BGP */ |
3879 | zl3vni_send_add_to_client(zl3vni); | |
3880 | } | |
3881 | ||
3882 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3883 | { | |
2aeb403d | 3884 | if (!zl3vni) |
3885 | return; | |
3886 | ||
b7cfce93 MK |
3887 | /* send l3-vni del to BGP*/ |
3888 | zl3vni_send_del_to_client(zl3vni); | |
3889 | } | |
3890 | ||
996c9314 | 3891 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3892 | { |
996c9314 LB |
3893 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3894 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3895 | |
3896 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3897 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3898 | } | |
3899 | ||
b7cfce93 MK |
3900 | /* |
3901 | * handle transition of vni from l2 to l3 and vice versa | |
3902 | */ | |
996c9314 LB |
3903 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3904 | int add) | |
b7cfce93 MK |
3905 | { |
3906 | zebra_vni_t *zvni = NULL; | |
3907 | ||
3908 | /* There is a possibility that VNI notification was already received | |
3909 | * from kernel and we programmed it as L2-VNI | |
3910 | * In such a case we need to delete this L2-VNI first, so | |
3911 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3912 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3913 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3914 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3915 | */ | |
b7cfce93 MK |
3916 | if (add) { |
3917 | /* Locate hash entry */ | |
3918 | zvni = zvni_lookup(vni); | |
3919 | if (!zvni) | |
3920 | return 0; | |
3921 | ||
3922 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3923 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3924 | |
3925 | /* Delete VNI from BGP. */ | |
3926 | zvni_send_del_to_client(zvni->vni); | |
3927 | ||
3928 | /* Free up all neighbors and MAC, if any. */ | |
3929 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3930 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3931 | ||
3932 | /* Free up all remote VTEPs, if any. */ | |
3933 | zvni_vtep_del_all(zvni, 0); | |
3934 | ||
3935 | /* Delete the hash entry. */ | |
3936 | if (zvni_del(zvni)) { | |
e914ccbe | 3937 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
3938 | "Failed to del VNI hash %p, VNI %u", zvni, |
3939 | zvni->vni); | |
b7cfce93 MK |
3940 | return -1; |
3941 | } | |
3942 | } else { | |
3943 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3944 | * enough information at this point to reprogram the vni as | |
3945 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3946 | * used it solely for this purpose |
3947 | */ | |
b7cfce93 MK |
3948 | } |
3949 | ||
3950 | return 0; | |
3951 | } | |
3952 | ||
5e06422c | 3953 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3954 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3955 | { |
3956 | zebra_mac_t *zrmac = NULL; | |
3957 | zebra_l3vni_t *zl3vni = NULL; | |
3958 | ||
3959 | zrmac = (zebra_mac_t *)backet->data; | |
3960 | zl3vni = (zebra_l3vni_t *)ctx; | |
3961 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3962 | zl3vni_rmac_del(zl3vni, zrmac); | |
3963 | } | |
3964 | ||
3965 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3966 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3967 | { |
3968 | zebra_neigh_t *n = NULL; | |
3969 | zebra_l3vni_t *zl3vni = NULL; | |
3970 | ||
3971 | n = (zebra_neigh_t *)backet->data; | |
3972 | zl3vni = (zebra_l3vni_t *)ctx; | |
3973 | zl3vni_nh_uninstall(zl3vni, n); | |
3974 | zl3vni_nh_del(zl3vni, n); | |
3975 | } | |
3976 | ||
996c9314 LB |
3977 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3978 | uint16_t cmd) | |
31310b25 MK |
3979 | { |
3980 | struct zserv *client = NULL; | |
3981 | struct stream *s = NULL; | |
3982 | char buf[PREFIX_STRLEN]; | |
3983 | ||
21ccc0cf | 3984 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
3985 | /* BGP may not be running. */ |
3986 | if (!client) | |
3987 | return 0; | |
3988 | ||
1002497a | 3989 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 3990 | |
22bd3e94 | 3991 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
3992 | stream_put(s, p, sizeof(struct prefix)); |
3993 | ||
3994 | /* Write packet size. */ | |
3995 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3996 | ||
3997 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3998 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
3999 | prefix2str(p, buf, sizeof(buf)), |
4000 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
4001 | vrf_id_to_name(vrf_id)); | |
4002 | ||
4003 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4004 | client->prefixadd_cnt++; | |
4005 | else | |
4006 | client->prefixdel_cnt++; | |
4007 | ||
21ccc0cf | 4008 | return zserv_send_message(client, s); |
31310b25 MK |
4009 | } |
4010 | ||
a9a76262 MK |
4011 | /* re-add remote rmac if needed */ |
4012 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4013 | struct ethaddr *rmac) |
a9a76262 MK |
4014 | { |
4015 | char buf[ETHER_ADDR_STRLEN]; | |
4016 | zebra_mac_t *zrmac = NULL; | |
4017 | ||
4018 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4019 | if (!zrmac) | |
4020 | return 0; | |
4021 | ||
4022 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4023 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4024 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4025 | |
4026 | zl3vni_rmac_install(zl3vni, zrmac); | |
4027 | return 0; | |
4028 | } | |
4029 | ||
f07e1c99 | 4030 | /* Process a remote MACIP add from BGP. */ |
4031 | static void process_remote_macip_add(vni_t vni, | |
4032 | struct ethaddr *macaddr, | |
9df2b997 | 4033 | uint16_t ipa_len, |
f07e1c99 | 4034 | struct ipaddr *ipaddr, |
9df2b997 | 4035 | uint8_t flags, |
f07e1c99 | 4036 | uint32_t seq, |
4037 | struct in_addr vtep_ip) | |
c48d9f5f | 4038 | { |
f07e1c99 | 4039 | zebra_vni_t *zvni; |
4040 | zebra_vtep_t *zvtep; | |
4041 | zebra_mac_t *mac, *old_mac; | |
4042 | zebra_neigh_t *n = NULL; | |
4043 | int update_mac = 0, update_neigh = 0; | |
4044 | char buf[ETHER_ADDR_STRLEN]; | |
4045 | char buf1[INET6_ADDRSTRLEN]; | |
4046 | struct interface *ifp = NULL; | |
4047 | struct zebra_if *zif = NULL; | |
4048 | uint32_t tmp_seq; | |
9df2b997 | 4049 | uint8_t sticky = 0; |
bf437f90 | 4050 | uint8_t remote_gw = 0; |
f190902f | 4051 | uint8_t router_flag = 0; |
c48d9f5f | 4052 | |
f07e1c99 | 4053 | /* Locate VNI hash entry - expected to exist. */ |
4054 | zvni = zvni_lookup(vni); | |
4055 | if (!zvni) { | |
4056 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4057 | return; | |
4058 | } | |
2dbad57f | 4059 | |
f07e1c99 | 4060 | ifp = zvni->vxlan_if; |
4061 | if (ifp) | |
4062 | zif = ifp->info; | |
4063 | if (!ifp || | |
4064 | !if_is_operative(ifp) || | |
4065 | !zif || | |
4066 | !zif->brslave_info.br_if) { | |
4067 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4068 | vni); | |
2dbad57f | 4069 | return; |
f07e1c99 | 4070 | } |
2dbad57f | 4071 | |
f07e1c99 | 4072 | /* The remote VTEP specified should normally exist, but it is |
4073 | * possible that when peering comes up, peer may advertise MACIP | |
4074 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4075 | */ |
f07e1c99 | 4076 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4077 | if (!zvtep) { | |
4078 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4079 | flog_err( | |
e914ccbe | 4080 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 4081 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
4082 | vni, zvni); | |
4083 | return; | |
4084 | } | |
2dbad57f | 4085 | |
f07e1c99 | 4086 | zvni_vtep_install(zvni, &vtep_ip); |
4087 | } | |
f50dc5e6 | 4088 | |
f07e1c99 | 4089 | sticky = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4090 | remote_gw = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
f190902f | 4091 | router_flag = CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); |
2dbad57f | 4092 | |
f07e1c99 | 4093 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4094 | |
f07e1c99 | 4095 | /* Ignore if the mac is already present as a gateway mac */ |
4096 | if (mac && | |
4097 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4098 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4099 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4100 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4101 | vni, | |
4102 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4103 | ipa_len ? " IP " : "", | |
4104 | ipa_len ? | |
4105 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4106 | return; |
f07e1c99 | 4107 | } |
2dbad57f | 4108 | |
f07e1c99 | 4109 | /* check if the remote MAC is unknown or has a change. |
4110 | * If so, that needs to be updated first. Note that client could | |
4111 | * install MAC and MACIP separately or just install the latter. | |
4112 | */ | |
4113 | if (!mac | |
4114 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
4115 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) ? 1 : 0) != sticky | |
4116 | || (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) ? 1 : 0) | |
4117 | != remote_gw | |
4118 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) | |
4119 | || seq != mac->rem_seq) | |
4120 | update_mac = 1; | |
4121 | ||
4122 | if (update_mac) { | |
4123 | if (!mac) { | |
4124 | mac = zvni_mac_add(zvni, macaddr); | |
4125 | if (!mac) { | |
4126 | zlog_warn( | |
4127 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4128 | prefix_mac2str(macaddr, buf, | |
4129 | sizeof(buf)), | |
4130 | vni, inet_ntoa(vtep_ip)); | |
4131 | return; | |
4132 | } | |
4133 | ||
4134 | /* Is this MAC created for a MACIP? */ | |
4135 | if (ipa_len) | |
4136 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4137 | } else { | |
4138 | const char *mac_type; | |
4139 | ||
4140 | /* When host moves but changes its (MAC,IP) | |
4141 | * binding, BGP may install a MACIP entry that | |
4142 | * corresponds to "older" location of the host | |
4143 | * in transient situations (because {IP1,M1} | |
4144 | * is a different route from {IP1,M2}). Check | |
4145 | * the sequence number and ignore this update | |
4146 | * if appropriate. | |
4147 | */ | |
4148 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4149 | tmp_seq = mac->loc_seq; | |
4150 | mac_type = "local"; | |
4151 | } else { | |
4152 | tmp_seq = mac->rem_seq; | |
4153 | mac_type = "remote"; | |
4154 | } | |
4155 | if (seq < tmp_seq) { | |
4156 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4157 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4158 | vni, | |
4159 | prefix_mac2str(macaddr, | |
4160 | buf, sizeof(buf)), | |
4161 | ipa_len ? " IP " : "", | |
4162 | ipa_len ? | |
4163 | ipaddr2str(ipaddr, | |
4164 | buf1, sizeof(buf1)) : "", | |
4165 | mac_type, | |
4166 | tmp_seq); | |
4167 | return; | |
4168 | } | |
4169 | } | |
4170 | ||
4171 | /* Set "auto" and "remote" forwarding info. */ | |
4172 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4173 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4174 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4175 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4176 | ||
4177 | if (sticky) | |
4178 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4179 | else | |
4180 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4181 | ||
4182 | if (remote_gw) | |
4183 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4184 | else | |
4185 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4186 | ||
4187 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
4188 | ||
4189 | /* Install the entry. */ | |
4190 | zvni_mac_install(zvni, mac); | |
4191 | } | |
4192 | ||
4193 | /* Update seq number. */ | |
4194 | mac->rem_seq = seq; | |
4195 | ||
4196 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4197 | if (!ipa_len) { | |
4198 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4199 | return; | |
4200 | } | |
4201 | ||
4202 | /* Check if the remote neighbor itself is unknown or has a | |
4203 | * change. If so, create or update and then install the entry. | |
4204 | */ | |
4205 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4206 | if (!n | |
4207 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4208 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) | |
4209 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
f190902f | 4210 | || ((CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) ? 1 : 0) |
4211 | != router_flag) | |
f07e1c99 | 4212 | || seq != n->rem_seq) |
4213 | update_neigh = 1; | |
4214 | ||
4215 | if (update_neigh) { | |
4216 | if (!n) { | |
4217 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4218 | if (!n) { | |
4219 | zlog_warn( | |
4220 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4221 | ipaddr2str(ipaddr, buf1, | |
4222 | sizeof(buf1)), | |
4223 | prefix_mac2str(macaddr, buf, | |
4224 | sizeof(buf)), | |
4225 | vni, inet_ntoa(vtep_ip)); | |
4226 | return; | |
4227 | } | |
4228 | ||
4229 | } else { | |
4230 | const char *n_type; | |
4231 | ||
4232 | /* When host moves but changes its (MAC,IP) | |
4233 | * binding, BGP may install a MACIP entry that | |
4234 | * corresponds to "older" location of the host | |
4235 | * in transient situations (because {IP1,M1} | |
4236 | * is a different route from {IP1,M2}). Check | |
4237 | * the sequence number and ignore this update | |
4238 | * if appropriate. | |
4239 | */ | |
4240 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4241 | tmp_seq = n->loc_seq; | |
4242 | n_type = "local"; | |
4243 | } else { | |
4244 | tmp_seq = n->rem_seq; | |
4245 | n_type = "remote"; | |
4246 | } | |
4247 | if (seq < tmp_seq) { | |
4248 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4249 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4250 | vni, | |
4251 | prefix_mac2str(macaddr, | |
4252 | buf, sizeof(buf)), | |
4253 | ipa_len ? " IP " : "", | |
4254 | ipa_len ? | |
4255 | ipaddr2str(ipaddr, | |
4256 | buf1, sizeof(buf1)) : "", | |
4257 | n_type, | |
4258 | tmp_seq); | |
4259 | return; | |
4260 | } | |
4261 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4262 | /* MAC change, send a delete for old | |
4263 | * neigh if learnt locally. | |
4264 | */ | |
4265 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4266 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4267 | zvni_neigh_send_del_to_client( | |
4268 | zvni->vni, &n->ip, | |
4269 | &n->emac, 0); | |
4270 | ||
4271 | /* update neigh list for macs */ | |
4272 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4273 | if (old_mac) { | |
4274 | listnode_delete(old_mac->neigh_list, n); | |
4275 | zvni_deref_ip2mac(zvni, old_mac, 1); | |
4276 | } | |
4277 | listnode_add_sort(mac->neigh_list, n); | |
4278 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4279 | } | |
4280 | } | |
4281 | ||
4282 | /* Set "remote" forwarding info. */ | |
4283 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4284 | n->r_vtep_ip = vtep_ip; | |
4285 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4286 | ||
4287 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4288 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4289 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4290 | else |
4291 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4292 | |
4293 | /* Install the entry. */ | |
4294 | zvni_neigh_install(zvni, n); | |
4295 | } | |
4296 | ||
4297 | /* Update seq number. */ | |
4298 | n->rem_seq = seq; | |
4299 | } | |
4300 | ||
4301 | /* Process a remote MACIP delete from BGP. */ | |
4302 | static void process_remote_macip_del(vni_t vni, | |
4303 | struct ethaddr *macaddr, | |
9df2b997 | 4304 | uint16_t ipa_len, |
f07e1c99 | 4305 | struct ipaddr *ipaddr, |
4306 | struct in_addr vtep_ip) | |
4307 | { | |
4308 | zebra_vni_t *zvni; | |
4309 | zebra_mac_t *mac = NULL; | |
4310 | zebra_neigh_t *n = NULL; | |
4311 | struct interface *ifp = NULL; | |
4312 | struct zebra_if *zif = NULL; | |
4313 | char buf[ETHER_ADDR_STRLEN]; | |
4314 | char buf1[INET6_ADDRSTRLEN]; | |
4315 | ||
4316 | /* Locate VNI hash entry - expected to exist. */ | |
4317 | zvni = zvni_lookup(vni); | |
4318 | if (!zvni) { | |
4319 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4320 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4321 | return; | |
4322 | } | |
4323 | ||
4324 | ifp = zvni->vxlan_if; | |
4325 | if (ifp) | |
4326 | zif = ifp->info; | |
4327 | if (!ifp || | |
4328 | !if_is_operative(ifp) || | |
4329 | !zif || | |
4330 | !zif->brslave_info.br_if) { | |
4331 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4332 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4333 | vni); | |
4334 | return; | |
4335 | } | |
4336 | ||
4337 | /* The remote VTEP specified is normally expected to exist, but | |
4338 | * it is possible that the peer may delete the VTEP before deleting | |
4339 | * any MACs referring to the VTEP, in which case the handler (see | |
4340 | * remote_vtep_del) would have already deleted the MACs. | |
4341 | */ | |
4342 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4343 | return; | |
4344 | ||
4345 | mac = zvni_mac_lookup(zvni, macaddr); | |
4346 | if (ipa_len) | |
4347 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4348 | ||
4349 | if (n && !mac) { | |
4350 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4351 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4352 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4353 | return; | |
4354 | } | |
4355 | ||
4356 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4357 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4358 | */ | |
4359 | if (!mac && !n) | |
4360 | return; | |
4361 | ||
4362 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4363 | if (mac | |
4364 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4365 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4366 | zlog_warn( | |
4367 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4368 | vni, | |
4369 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4370 | ipa_len ? " IP " : "", | |
4371 | ipa_len ? | |
4372 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4373 | return; | |
4374 | } | |
4375 | ||
4376 | /* Uninstall remote neighbor or MAC. */ | |
4377 | if (n) { | |
4378 | /* When the MAC changes for an IP, it is possible the | |
4379 | * client may update the new MAC before trying to delete the | |
4380 | * "old" neighbor (as these are two different MACIP routes). | |
4381 | * Do the delete only if the MAC matches. | |
4382 | */ | |
4383 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4384 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4385 | zvni_neigh_uninstall(zvni, n); | |
4386 | zvni_neigh_del(zvni, n); | |
4387 | zvni_deref_ip2mac(zvni, mac, 1); | |
4388 | } | |
4389 | } else { | |
4390 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4391 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
4392 | ||
4393 | if (list_isempty(mac->neigh_list)) { | |
4394 | zvni_mac_uninstall(zvni, mac, 0); | |
4395 | zvni_mac_del(zvni, mac); | |
4396 | } else | |
4397 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4398 | } | |
4399 | } | |
4400 | } | |
4401 | ||
4402 | ||
b7cfce93 MK |
4403 | /* Public functions */ |
4404 | ||
c48d9f5f MK |
4405 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4406 | { | |
4407 | zebra_l3vni_t *zl3vni = NULL; | |
4408 | ||
4409 | zl3vni = zl3vni_lookup(vni); | |
4410 | if (!zl3vni) | |
4411 | return 0; | |
4412 | ||
4413 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4414 | } | |
4415 | ||
2dbad57f | 4416 | /* handle evpn route in vrf table */ |
996c9314 LB |
4417 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4418 | struct ipaddr *vtep_ip, | |
4419 | struct prefix *host_prefix) | |
2dbad57f | 4420 | { |
4421 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4422 | struct ipaddr ipv4_vtep; |
2dbad57f | 4423 | |
4424 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4425 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4426 | return; | |
4427 | ||
3518f352 | 4428 | /* |
f50dc5e6 MK |
4429 | * add the next hop neighbor - |
4430 | * neigh to be installed is the ipv6 nexthop neigh | |
4431 | */ | |
3518f352 | 4432 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4433 | |
f50dc5e6 MK |
4434 | /* |
4435 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4436 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4437 | * support ipv4 tunnels in the h/w right now | |
4438 | */ | |
4439 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4440 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4441 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4442 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4443 | &(ipv4_vtep.ipaddr_v4)); | |
4444 | else | |
4445 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4446 | sizeof(struct in_addr)); | |
4447 | ||
3518f352 DS |
4448 | /* |
4449 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4450 | * nexthop address |
4451 | */ | |
3518f352 | 4452 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4453 | } |
4454 | ||
4455 | /* handle evpn vrf route delete */ | |
22e63104 | 4456 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4457 | struct ipaddr *vtep_ip, |
4458 | struct prefix *host_prefix) | |
2dbad57f | 4459 | { |
4460 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4461 | zebra_neigh_t *nh = NULL; |
4462 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4463 | |
4464 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4465 | if (!zl3vni) |
2dbad57f | 4466 | return; |
4467 | ||
22e63104 | 4468 | /* find the next hop entry and rmac entry */ |
4469 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4470 | if (!nh) | |
4471 | return; | |
4472 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4473 | ||
2dbad57f | 4474 | /* delete the next hop entry */ |
22e63104 | 4475 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4476 | |
4477 | /* delete the rmac entry */ | |
22e63104 | 4478 | if (zrmac) |
4479 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4480 | ||
2dbad57f | 4481 | } |
4482 | ||
996c9314 | 4483 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4484 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4485 | { |
4486 | zebra_l3vni_t *zl3vni = NULL; | |
4487 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4488 | json_object *json = NULL; |
9aa741ea | 4489 | |
316f4ca4 MK |
4490 | if (!is_evpn_enabled()) { |
4491 | if (use_json) | |
4492 | vty_out(vty, "{}\n"); | |
9aa741ea | 4493 | return; |
316f4ca4 MK |
4494 | } |
4495 | ||
4496 | if (use_json) | |
4497 | json = json_object_new_object(); | |
9aa741ea MK |
4498 | |
4499 | zl3vni = zl3vni_lookup(l3vni); | |
4500 | if (!zl3vni) { | |
316f4ca4 MK |
4501 | if (use_json) |
4502 | vty_out(vty, "{}\n"); | |
4503 | else | |
996c9314 | 4504 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4505 | return; |
4506 | } | |
4507 | ||
4508 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4509 | if (!zrmac) { | |
316f4ca4 MK |
4510 | if (use_json) |
4511 | vty_out(vty, "{}\n"); | |
4512 | else | |
4513 | vty_out(vty, | |
4514 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4515 | l3vni); | |
9aa741ea MK |
4516 | return; |
4517 | } | |
4518 | ||
316f4ca4 MK |
4519 | zl3vni_print_rmac(zrmac, vty, json); |
4520 | ||
4521 | if (use_json) { | |
4522 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4523 | json, JSON_C_TO_STRING_PRETTY)); | |
4524 | json_object_free(json); | |
4525 | } | |
9aa741ea | 4526 | } |
2dbad57f | 4527 | |
9f049418 | 4528 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4529 | { |
4530 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4531 | uint32_t num_rmacs; |
b7cfce93 MK |
4532 | struct rmac_walk_ctx wctx; |
4533 | json_object *json = NULL; | |
b7cfce93 MK |
4534 | |
4535 | if (!is_evpn_enabled()) | |
4536 | return; | |
4537 | ||
4538 | zl3vni = zl3vni_lookup(l3vni); | |
4539 | if (!zl3vni) { | |
4540 | if (use_json) | |
4541 | vty_out(vty, "{}\n"); | |
4542 | else | |
4543 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4544 | return; | |
4545 | } | |
4546 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4547 | if (!num_rmacs) | |
4548 | return; | |
4549 | ||
75223c9e | 4550 | if (use_json) |
b7cfce93 | 4551 | json = json_object_new_object(); |
b7cfce93 MK |
4552 | |
4553 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4554 | wctx.vty = vty; | |
75223c9e | 4555 | wctx.json = json; |
b7cfce93 | 4556 | if (!use_json) { |
996c9314 | 4557 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4558 | num_rmacs); |
4cce389e | 4559 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4560 | } else |
4561 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4562 | ||
4563 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4564 | ||
4565 | if (use_json) { | |
b7cfce93 MK |
4566 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4567 | json, JSON_C_TO_STRING_PRETTY)); | |
4568 | json_object_free(json); | |
4569 | } | |
4570 | } | |
4571 | ||
9f049418 | 4572 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 MK |
4573 | { |
4574 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4575 | json_object *json = NULL; |
c0b4eaa4 | 4576 | void *args[2]; |
b7cfce93 MK |
4577 | |
4578 | if (!is_evpn_enabled()) { | |
4579 | if (use_json) | |
4580 | vty_out(vty, "{}\n"); | |
4581 | return; | |
4582 | } | |
4583 | ||
4584 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4585 | if (!zns) { |
4586 | if (use_json) | |
4587 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4588 | return; |
c0b4eaa4 | 4589 | } |
b7cfce93 MK |
4590 | |
4591 | if (use_json) | |
4592 | json = json_object_new_object(); | |
4593 | ||
c0b4eaa4 MK |
4594 | args[0] = vty; |
4595 | args[1] = json; | |
4596 | hash_iterate(zns->l3vni_table, | |
4597 | (void (*)(struct hash_backet *, | |
4598 | void *))zl3vni_print_rmac_hash_all_vni, | |
4599 | args); | |
b7cfce93 MK |
4600 | |
4601 | if (use_json) { | |
4602 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4603 | json, JSON_C_TO_STRING_PRETTY)); | |
4604 | json_object_free(json); | |
4605 | } | |
4606 | } | |
4607 | ||
996c9314 | 4608 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4609 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4610 | { |
4611 | zebra_l3vni_t *zl3vni = NULL; | |
4612 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4613 | json_object *json = NULL; |
9aa741ea | 4614 | |
c0e519d3 MK |
4615 | if (!is_evpn_enabled()) { |
4616 | if (use_json) | |
4617 | vty_out(vty, "{}\n"); | |
9aa741ea | 4618 | return; |
c0e519d3 MK |
4619 | } |
4620 | ||
4621 | if (use_json) | |
4622 | json = json_object_new_object(); | |
9aa741ea MK |
4623 | |
4624 | zl3vni = zl3vni_lookup(l3vni); | |
4625 | if (!zl3vni) { | |
c0e519d3 MK |
4626 | if (use_json) |
4627 | vty_out(vty, "{}\n"); | |
4628 | else | |
4629 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4630 | return; |
4631 | } | |
4632 | ||
4633 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4634 | if (!n) { | |
c0e519d3 MK |
4635 | if (use_json) |
4636 | vty_out(vty, "{}\n"); | |
4637 | else | |
4638 | vty_out(vty, | |
4639 | "%% Requested next-hop not present for L3-VNI %u", | |
4640 | l3vni); | |
9aa741ea MK |
4641 | return; |
4642 | } | |
4643 | ||
c0e519d3 MK |
4644 | zl3vni_print_nh(n, vty, json); |
4645 | ||
4646 | if (use_json) { | |
4647 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4648 | json, JSON_C_TO_STRING_PRETTY)); | |
4649 | json_object_free(json); | |
4650 | } | |
9aa741ea MK |
4651 | } |
4652 | ||
9f049418 | 4653 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4654 | { |
d7c0a89a | 4655 | uint32_t num_nh; |
2dbad57f | 4656 | struct nh_walk_ctx wctx; |
b7cfce93 | 4657 | json_object *json = NULL; |
b7cfce93 MK |
4658 | zebra_l3vni_t *zl3vni = NULL; |
4659 | ||
4660 | if (!is_evpn_enabled()) | |
4661 | return; | |
4662 | ||
4663 | zl3vni = zl3vni_lookup(l3vni); | |
4664 | if (!zl3vni) { | |
4665 | if (use_json) | |
4666 | vty_out(vty, "{}\n"); | |
4667 | else | |
4668 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4669 | return; | |
4670 | } | |
4671 | ||
4672 | num_nh = hashcount(zl3vni->nh_table); | |
4673 | if (!num_nh) | |
4674 | return; | |
4675 | ||
9187f600 | 4676 | if (use_json) |
b7cfce93 | 4677 | json = json_object_new_object(); |
b7cfce93 | 4678 | |
2dbad57f | 4679 | wctx.vty = vty; |
9187f600 | 4680 | wctx.json = json; |
b7cfce93 | 4681 | if (!use_json) { |
996c9314 | 4682 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4683 | num_nh); |
4cce389e | 4684 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4685 | } else |
4cce389e | 4686 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4687 | |
4688 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4689 | ||
4690 | if (use_json) { | |
b7cfce93 MK |
4691 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4692 | json, JSON_C_TO_STRING_PRETTY)); | |
4693 | json_object_free(json); | |
4694 | } | |
4695 | } | |
4696 | ||
9f049418 | 4697 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4698 | { |
2dbad57f | 4699 | struct zebra_ns *zns = NULL; |
2dbad57f | 4700 | json_object *json = NULL; |
32798965 | 4701 | void *args[2]; |
2dbad57f | 4702 | |
4703 | if (!is_evpn_enabled()) { | |
4704 | if (use_json) | |
4705 | vty_out(vty, "{}\n"); | |
4706 | return; | |
4707 | } | |
4708 | ||
4709 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4710 | if (!zns) | |
4711 | return; | |
4712 | ||
4713 | if (use_json) | |
4714 | json = json_object_new_object(); | |
4715 | ||
32798965 MK |
4716 | args[0] = vty; |
4717 | args[1] = json; | |
4718 | hash_iterate(zns->l3vni_table, | |
4719 | (void (*)(struct hash_backet *, | |
4720 | void *))zl3vni_print_nh_hash_all_vni, | |
4721 | args); | |
2dbad57f | 4722 | |
4723 | if (use_json) { | |
4724 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4725 | json, JSON_C_TO_STRING_PRETTY)); | |
4726 | json_object_free(json); | |
4727 | } | |
b7cfce93 MK |
4728 | } |
4729 | ||
4730 | /* | |
4731 | * Display L3 VNI information (VTY command handler). | |
4732 | */ | |
9f049418 | 4733 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4734 | { |
4735 | void *args[2]; | |
4736 | json_object *json = NULL; | |
4737 | zebra_l3vni_t *zl3vni = NULL; | |
4738 | ||
b2ee5a13 MK |
4739 | if (!is_evpn_enabled()) { |
4740 | if (use_json) | |
4741 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4742 | return; |
b2ee5a13 | 4743 | } |
b7cfce93 MK |
4744 | |
4745 | zl3vni = zl3vni_lookup(vni); | |
4746 | if (!zl3vni) { | |
4747 | if (use_json) | |
4748 | vty_out(vty, "{}\n"); | |
4749 | else | |
4750 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4751 | return; | |
4752 | } | |
4753 | ||
4754 | if (use_json) | |
4755 | json = json_object_new_object(); | |
4756 | ||
b2ee5a13 MK |
4757 | args[0] = vty; |
4758 | args[1] = json; | |
b7cfce93 MK |
4759 | zl3vni_print(zl3vni, (void *)args); |
4760 | ||
4761 | if (use_json) { | |
4762 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4763 | json, JSON_C_TO_STRING_PRETTY)); | |
4764 | json_object_free(json); | |
4765 | } | |
4766 | } | |
4767 | ||
4cce389e MK |
4768 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4769 | json_object *json_vrfs) | |
b7cfce93 | 4770 | { |
4cce389e MK |
4771 | char buf[ETHER_ADDR_STRLEN]; |
4772 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4773 | |
4cce389e MK |
4774 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4775 | if (!zl3vni) | |
b7cfce93 | 4776 | return; |
b7cfce93 | 4777 | |
4cce389e MK |
4778 | if (!json_vrfs) { |
4779 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4780 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4781 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4782 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4783 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4784 | } else { |
4cce389e | 4785 | json_object *json_vrf = NULL; |
9df2b997 | 4786 | |
4cce389e | 4787 | json_vrf = json_object_new_object(); |
996c9314 | 4788 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4789 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4790 | json_object_string_add(json_vrf, "vxlanIntf", | |
4791 | zl3vni_vxlan_if_name(zl3vni)); | |
4792 | json_object_string_add(json_vrf, "sviIntf", | |
4793 | zl3vni_svi_if_name(zl3vni)); | |
4794 | json_object_string_add(json_vrf, "state", | |
4795 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4796 | json_object_string_add( |
4797 | json_vrf, "routerMac", | |
4798 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4799 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4800 | } |
4801 | } | |
4802 | ||
4803 | /* | |
4804 | * Display Neighbors for a VNI (VTY command handler). | |
4805 | */ | |
4806 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4807 | vni_t vni, bool use_json) |
b7cfce93 MK |
4808 | { |
4809 | zebra_vni_t *zvni; | |
d7c0a89a | 4810 | uint32_t num_neigh; |
b7cfce93 MK |
4811 | struct neigh_walk_ctx wctx; |
4812 | json_object *json = NULL; | |
4813 | ||
4814 | if (!is_evpn_enabled()) | |
4815 | return; | |
4816 | zvni = zvni_lookup(vni); | |
4817 | if (!zvni) { | |
4818 | if (use_json) | |
4819 | vty_out(vty, "{}\n"); | |
4820 | else | |
4821 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4822 | return; | |
4823 | } | |
4824 | num_neigh = hashcount(zvni->neigh_table); | |
4825 | if (!num_neigh) | |
4826 | return; | |
4827 | ||
4828 | if (use_json) | |
4829 | json = json_object_new_object(); | |
4830 | ||
4831 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4832 | * size, we try to be a bit more elegant in display by first computing | |
4833 | * the maximum width. | |
4834 | */ | |
4835 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4836 | wctx.zvni = zvni; | |
4837 | wctx.vty = vty; | |
4838 | wctx.addr_width = 15; | |
4839 | wctx.json = json; | |
4840 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4841 | ||
4842 | if (!use_json) { | |
4843 | vty_out(vty, | |
4844 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4845 | num_neigh); | |
1a8c5c38 | 4846 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4847 | -wctx.addr_width, "IP", "Type", | |
4848 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4849 | } else |
4850 | json_object_int_add(json, "numArpNd", num_neigh); | |
4851 | ||
4852 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4853 | if (use_json) { | |
4854 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4855 | json, JSON_C_TO_STRING_PRETTY)); | |
4856 | json_object_free(json); | |
4857 | } | |
4858 | } | |
4859 | ||
4860 | /* | |
4861 | * Display neighbors across all VNIs (VTY command handler). | |
4862 | */ | |
4863 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4864 | bool use_json) |
b7cfce93 MK |
4865 | { |
4866 | json_object *json = NULL; | |
4867 | void *args[2]; | |
4868 | ||
4869 | if (!is_evpn_enabled()) | |
4870 | return; | |
4871 | ||
4872 | if (use_json) | |
4873 | json = json_object_new_object(); | |
4874 | ||
4875 | args[0] = vty; | |
4876 | args[1] = json; | |
4877 | hash_iterate(zvrf->vni_table, | |
4878 | (void (*)(struct hash_backet *, | |
4879 | void *))zvni_print_neigh_hash_all_vni, | |
4880 | args); | |
4881 | if (use_json) { | |
4882 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4883 | json, JSON_C_TO_STRING_PRETTY)); | |
4884 | json_object_free(json); | |
4885 | } | |
4886 | } | |
4887 | ||
4888 | /* | |
4889 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4890 | */ | |
4891 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4892 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 4893 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
4894 | { |
4895 | zebra_vni_t *zvni; | |
4896 | zebra_neigh_t *n; | |
4897 | json_object *json = NULL; | |
4898 | ||
4899 | if (!is_evpn_enabled()) | |
4900 | return; | |
4901 | zvni = zvni_lookup(vni); | |
4902 | if (!zvni) { | |
4903 | if (use_json) | |
cd233079 CS |
4904 | vty_out(vty, "{}\n"); |
4905 | else | |
4906 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4907 | return; |
4908 | } | |
4909 | n = zvni_neigh_lookup(zvni, ip); | |
4910 | if (!n) { | |
cd233079 CS |
4911 | if (!use_json) |
4912 | vty_out(vty, | |
4913 | "%% Requested neighbor does not exist in VNI %u\n", | |
4914 | vni); | |
d62a17ae | 4915 | return; |
4916 | } | |
cd233079 CS |
4917 | if (use_json) |
4918 | json = json_object_new_object(); | |
4919 | ||
4920 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4921 | |
cd233079 CS |
4922 | if (use_json) { |
4923 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4924 | json, JSON_C_TO_STRING_PRETTY)); | |
4925 | json_object_free(json); | |
4926 | } | |
cec2e17d | 4927 | } |
4928 | ||
4929 | /* | |
4930 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4931 | * By definition, these are remote neighbors. | |
4932 | */ | |
d62a17ae | 4933 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4934 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 4935 | bool use_json) |
cec2e17d | 4936 | { |
d62a17ae | 4937 | zebra_vni_t *zvni; |
d7c0a89a | 4938 | uint32_t num_neigh; |
d62a17ae | 4939 | struct neigh_walk_ctx wctx; |
cd233079 | 4940 | json_object *json = NULL; |
cec2e17d | 4941 | |
2853fed6 | 4942 | if (!is_evpn_enabled()) |
d62a17ae | 4943 | return; |
2853fed6 | 4944 | zvni = zvni_lookup(vni); |
d62a17ae | 4945 | if (!zvni) { |
cd233079 CS |
4946 | if (use_json) |
4947 | vty_out(vty, "{}\n"); | |
4948 | else | |
4949 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4950 | return; |
4951 | } | |
4952 | num_neigh = hashcount(zvni->neigh_table); | |
4953 | if (!num_neigh) | |
4954 | return; | |
cec2e17d | 4955 | |
d62a17ae | 4956 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4957 | wctx.zvni = zvni; | |
4958 | wctx.vty = vty; | |
68e33151 | 4959 | wctx.addr_width = 15; |
d62a17ae | 4960 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4961 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4962 | wctx.json = json; |
68e33151 | 4963 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4964 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4965 | |
4966 | if (use_json) { | |
4967 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4968 | json, JSON_C_TO_STRING_PRETTY)); | |
4969 | json_object_free(json); | |
4970 | } | |
cec2e17d | 4971 | } |
4972 | ||
4973 | /* | |
4974 | * Display MACs for a VNI (VTY command handler). | |
4975 | */ | |
d62a17ae | 4976 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 4977 | vni_t vni, bool use_json) |
cec2e17d | 4978 | { |
d62a17ae | 4979 | zebra_vni_t *zvni; |
d7c0a89a | 4980 | uint32_t num_macs; |
d62a17ae | 4981 | struct mac_walk_ctx wctx; |
cd233079 CS |
4982 | json_object *json = NULL; |
4983 | json_object *json_mac = NULL; | |
cec2e17d | 4984 | |
2853fed6 | 4985 | if (!is_evpn_enabled()) |
d62a17ae | 4986 | return; |
2853fed6 | 4987 | zvni = zvni_lookup(vni); |
d62a17ae | 4988 | if (!zvni) { |
cd233079 CS |
4989 | if (use_json) |
4990 | vty_out(vty, "{}\n"); | |
4991 | else | |
4992 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4993 | return; |
4994 | } | |
790f8dc5 | 4995 | num_macs = num_valid_macs(zvni); |
d62a17ae | 4996 | if (!num_macs) |
4997 | return; | |
cec2e17d | 4998 | |
cd233079 CS |
4999 | if (use_json) { |
5000 | json = json_object_new_object(); | |
5001 | json_mac = json_object_new_object(); | |
5002 | } | |
5003 | ||
d62a17ae | 5004 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5005 | wctx.zvni = zvni; | |
5006 | wctx.vty = vty; | |
cd233079 | 5007 | wctx.json = json_mac; |
cec2e17d | 5008 | |
cd233079 CS |
5009 | if (!use_json) { |
5010 | vty_out(vty, | |
5011 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5012 | num_macs); | |
5013 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5014 | "Intf/Remote VTEP", "VLAN"); | |
5015 | } else | |
5016 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5017 | |
d62a17ae | 5018 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5019 | |
5020 | if (use_json) { | |
5021 | json_object_object_add(json, "macs", json_mac); | |
5022 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5023 | json, JSON_C_TO_STRING_PRETTY)); | |
5024 | json_object_free(json); | |
5025 | } | |
cec2e17d | 5026 | } |
5027 | ||
5028 | /* | |
5029 | * Display MACs for all VNIs (VTY command handler). | |
5030 | */ | |
cd233079 | 5031 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5032 | bool use_json) |
cec2e17d | 5033 | { |
d62a17ae | 5034 | struct mac_walk_ctx wctx; |
cd233079 | 5035 | json_object *json = NULL; |
cec2e17d | 5036 | |
2853fed6 | 5037 | if (!is_evpn_enabled()) { |
cd233079 CS |
5038 | if (use_json) |
5039 | vty_out(vty, "{}\n"); | |
d62a17ae | 5040 | return; |
cd233079 CS |
5041 | } |
5042 | if (use_json) | |
5043 | json = json_object_new_object(); | |
5044 | ||
d62a17ae | 5045 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5046 | wctx.vty = vty; | |
cd233079 | 5047 | wctx.json = json; |
d62a17ae | 5048 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5049 | |
5050 | if (use_json) { | |
5051 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5052 | json, JSON_C_TO_STRING_PRETTY)); | |
5053 | json_object_free(json); | |
5054 | } | |
cec2e17d | 5055 | } |
5056 | ||
5057 | /* | |
5058 | * Display MACs for all VNIs (VTY command handler). | |
5059 | */ | |
d62a17ae | 5060 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5061 | struct zebra_vrf *zvrf, | |
9f049418 | 5062 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5063 | { |
d62a17ae | 5064 | struct mac_walk_ctx wctx; |
cd233079 | 5065 | json_object *json = NULL; |
cec2e17d | 5066 | |
2853fed6 | 5067 | if (!is_evpn_enabled()) |
d62a17ae | 5068 | return; |
cd233079 CS |
5069 | |
5070 | if (use_json) | |
5071 | json = json_object_new_object(); | |
5072 | ||
d62a17ae | 5073 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5074 | wctx.vty = vty; | |
5075 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5076 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5077 | wctx.json = json; |
d62a17ae | 5078 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5079 | |
5080 | if (use_json) { | |
5081 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5082 | json, JSON_C_TO_STRING_PRETTY)); | |
5083 | json_object_free(json); | |
5084 | } | |
cec2e17d | 5085 | } |
5086 | ||
5087 | /* | |
5088 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5089 | */ | |
d62a17ae | 5090 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5091 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 5092 | { |
d62a17ae | 5093 | zebra_vni_t *zvni; |
5094 | zebra_mac_t *mac; | |
cec2e17d | 5095 | |
2853fed6 | 5096 | if (!is_evpn_enabled()) |
d62a17ae | 5097 | return; |
2853fed6 | 5098 | zvni = zvni_lookup(vni); |
d62a17ae | 5099 | if (!zvni) { |
5100 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5101 | return; | |
5102 | } | |
5103 | mac = zvni_mac_lookup(zvni, macaddr); | |
5104 | if (!mac) { | |
5105 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
5106 | vni); | |
5107 | return; | |
5108 | } | |
cec2e17d | 5109 | |
d62a17ae | 5110 | zvni_print_mac(mac, vty); |
cec2e17d | 5111 | } |
5112 | ||
5113 | /* | |
5114 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5115 | */ | |
d62a17ae | 5116 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5117 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5118 | bool use_json) |
cec2e17d | 5119 | { |
d62a17ae | 5120 | zebra_vni_t *zvni; |
d7c0a89a | 5121 | uint32_t num_macs; |
d62a17ae | 5122 | struct mac_walk_ctx wctx; |
cd233079 CS |
5123 | json_object *json = NULL; |
5124 | json_object *json_mac = NULL; | |
cec2e17d | 5125 | |
2853fed6 | 5126 | if (!is_evpn_enabled()) |
d62a17ae | 5127 | return; |
2853fed6 | 5128 | zvni = zvni_lookup(vni); |
d62a17ae | 5129 | if (!zvni) { |
cd233079 CS |
5130 | if (use_json) |
5131 | vty_out(vty, "{}\n"); | |
5132 | else | |
5133 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5134 | return; |
5135 | } | |
790f8dc5 | 5136 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5137 | if (!num_macs) |
5138 | return; | |
cd233079 CS |
5139 | |
5140 | if (use_json) { | |
5141 | json = json_object_new_object(); | |
5142 | json_mac = json_object_new_object(); | |
5143 | } | |
5144 | ||
d62a17ae | 5145 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5146 | wctx.zvni = zvni; | |
5147 | wctx.vty = vty; | |
5148 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5149 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5150 | wctx.json = json_mac; |
d62a17ae | 5151 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5152 | |
5153 | if (use_json) { | |
5154 | json_object_int_add(json, "numMacs", wctx.count); | |
5155 | if (wctx.count) | |
5156 | json_object_object_add(json, "macs", json_mac); | |
5157 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5158 | json, JSON_C_TO_STRING_PRETTY)); | |
5159 | json_object_free(json); | |
5160 | } | |
cec2e17d | 5161 | } |
5162 | ||
5163 | ||
5164 | /* | |
5165 | * Display VNI information (VTY command handler). | |
5166 | */ | |
cd233079 | 5167 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5168 | bool use_json) |
cec2e17d | 5169 | { |
cd233079 CS |
5170 | json_object *json = NULL; |
5171 | void *args[2]; | |
1f2129ec | 5172 | zebra_l3vni_t *zl3vni = NULL; |
5173 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5174 | |
2853fed6 | 5175 | if (!is_evpn_enabled()) |
d62a17ae | 5176 | return; |
4cce389e | 5177 | |
cd233079 CS |
5178 | if (use_json) |
5179 | json = json_object_new_object(); | |
5180 | args[0] = vty; | |
5181 | args[1] = json; | |
4cce389e | 5182 | |
1f2129ec | 5183 | zl3vni = zl3vni_lookup(vni); |
5184 | if (zl3vni) { | |
4cce389e MK |
5185 | zl3vni_print(zl3vni, (void *)args); |
5186 | } else { | |
4cce389e MK |
5187 | zvni = zvni_lookup(vni); |
5188 | if (!zvni) { | |
5189 | if (use_json) | |
5190 | vty_out(vty, "{}\n"); | |
5191 | else | |
5192 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5193 | return; | |
5194 | } | |
5195 | ||
5196 | zvni_print(zvni, (void *)args); | |
5197 | } | |
5198 | ||
cd233079 CS |
5199 | if (use_json) { |
5200 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5201 | json, JSON_C_TO_STRING_PRETTY)); | |
5202 | json_object_free(json); | |
5203 | } | |
cec2e17d | 5204 | } |
5205 | ||
4cce389e | 5206 | /* Display all global details for EVPN */ |
088f1098 | 5207 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5208 | { |
4cce389e MK |
5209 | int num_l2vnis = 0; |
5210 | int num_l3vnis = 0; | |
d4454626 | 5211 | int num_vnis = 0; |
cd233079 | 5212 | json_object *json = NULL; |
4cce389e MK |
5213 | struct zebra_ns *zns = NULL; |
5214 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 5215 | |
2853fed6 | 5216 | if (!is_evpn_enabled()) |
d62a17ae | 5217 | return; |
4cce389e MK |
5218 | |
5219 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5220 | if (!zns) | |
d62a17ae | 5221 | return; |
4cce389e MK |
5222 | |
5223 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
5224 | if (!zvrf) | |
5225 | return; | |
5226 | ||
5227 | num_l3vnis = hashcount(zns->l3vni_table); | |
5228 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 5229 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5230 | |
5231 | if (uj) { | |
cd233079 | 5232 | json = json_object_new_object(); |
ddd16ed5 MK |
5233 | json_object_string_add(json, "advertiseGatewayMacip", |
5234 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5235 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5236 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5237 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5238 | } else { |
4cce389e MK |
5239 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5240 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5241 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5242 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5243 | } |
4cce389e MK |
5244 | |
5245 | if (uj) { | |
5246 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5247 | json, JSON_C_TO_STRING_PRETTY)); | |
5248 | json_object_free(json); | |
5249 | } | |
5250 | } | |
5251 | ||
5252 | /* | |
5253 | * Display VNI hash table (VTY command handler). | |
5254 | */ | |
5255 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5256 | bool use_json) |
4cce389e MK |
5257 | { |
5258 | json_object *json = NULL; | |
5259 | struct zebra_ns *zns = NULL; | |
5260 | void *args[2]; | |
5261 | ||
5262 | if (!is_evpn_enabled()) | |
5263 | return; | |
5264 | ||
5265 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5266 | if (!zns) | |
5267 | return; | |
5268 | ||
5269 | ||
5270 | if (use_json) | |
5271 | json = json_object_new_object(); | |
5272 | else | |
996c9314 LB |
5273 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5274 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5275 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5276 | |
cd233079 CS |
5277 | args[0] = vty; |
5278 | args[1] = json; | |
5279 | ||
4cce389e | 5280 | /* Display all L2-VNIs */ |
cd233079 CS |
5281 | hash_iterate(zvrf->vni_table, |
5282 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5283 | args); | |
5284 | ||
4cce389e MK |
5285 | /* Display all L3-VNIs */ |
5286 | hash_iterate(zns->l3vni_table, | |
5287 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
5288 | args); | |
5289 | ||
cd233079 CS |
5290 | if (use_json) { |
5291 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5292 | json, JSON_C_TO_STRING_PRETTY)); | |
5293 | json_object_free(json); | |
5294 | } | |
cec2e17d | 5295 | } |
5296 | ||
2232a77c | 5297 | /* |
ee69da27 MK |
5298 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5299 | * / L3 interface). This may result in either the neighbor getting deleted | |
5300 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5301 | * remote neighbor). |
5302 | */ | |
ee69da27 MK |
5303 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5304 | struct interface *link_if, | |
5305 | struct ipaddr *ip) | |
d62a17ae | 5306 | { |
d62a17ae | 5307 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5308 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5309 | zebra_neigh_t *n = NULL; |
5310 | zebra_vni_t *zvni = NULL; | |
5311 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5312 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5313 | |
8c9b80b9 | 5314 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5315 | * next-hop |
5316 | */ | |
8c9b80b9 MK |
5317 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5318 | if (zl3vni) | |
5319 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5320 | |
5321 | /* We are only interested in neighbors on an SVI that resides on top | |
5322 | * of a VxLAN bridge. | |
5323 | */ | |
b7cfce93 | 5324 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5325 | if (!zvni) |
5326 | return 0; | |
8c9b80b9 | 5327 | |
d62a17ae | 5328 | if (!zvni->vxlan_if) { |
9df414fe | 5329 | zlog_debug( |
d62a17ae | 5330 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5331 | zvni->vni, zvni); | |
5332 | return -1; | |
5333 | } | |
5334 | ||
5335 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5336 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5337 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5338 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5339 | |
5340 | /* If entry doesn't exist, nothing to do. */ | |
5341 | n = zvni_neigh_lookup(zvni, ip); | |
5342 | if (!n) | |
5343 | return 0; | |
5344 | ||
b6938a74 MK |
5345 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5346 | if (!zmac) { | |
5347 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 5348 | zlog_debug( |
2853fed6 | 5349 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5350 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5351 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5352 | zvni->vni); | |
5353 | ||
5354 | return 0; | |
5355 | } | |
5356 | ||
d62a17ae | 5357 | /* If it is a remote entry, the kernel has aged this out or someone has |
5358 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5359 | */ | |
5360 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5361 | zvni_neigh_install(zvni, n); | |
5362 | return 0; | |
5363 | } | |
5364 | ||
d62a17ae | 5365 | /* Remove neighbor from BGP. */ |
b6938a74 | 5366 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5367 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5368 | |
5369 | /* Delete this neighbor entry. */ | |
5370 | zvni_neigh_del(zvni, n); | |
5371 | ||
b6938a74 MK |
5372 | /* see if the AUTO mac needs to be deleted */ |
5373 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5374 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5375 | zvni_mac_del(zvni, zmac); |
5376 | ||
d62a17ae | 5377 | return 0; |
2232a77c | 5378 | } |
5379 | ||
5380 | /* | |
ee69da27 MK |
5381 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5382 | * device / L3 interface). This is typically for a local neighbor but can | |
5383 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5384 | * also be a "move" scenario. | |
2232a77c | 5385 | */ |
ee69da27 MK |
5386 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5387 | struct interface *link_if, | |
5388 | struct ipaddr *ip, | |
5389 | struct ethaddr *macaddr, | |
5390 | uint16_t state, | |
68e33151 CS |
5391 | uint8_t ext_learned, |
5392 | uint8_t router_flag) | |
d62a17ae | 5393 | { |
d62a17ae | 5394 | char buf[ETHER_ADDR_STRLEN]; |
5395 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5396 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5397 | zebra_l3vni_t *zl3vni = NULL; |
5398 | ||
5399 | /* check if this is a remote neigh entry corresponding to remote | |
5400 | * next-hop | |
5401 | */ | |
5402 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5403 | if (zl3vni) | |
5404 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5405 | |
d62a17ae | 5406 | /* We are only interested in neighbors on an SVI that resides on top |
5407 | * of a VxLAN bridge. | |
5408 | */ | |
b7cfce93 | 5409 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5410 | if (!zvni) |
5411 | return 0; | |
5412 | ||
d62a17ae | 5413 | if (IS_ZEBRA_DEBUG_VXLAN) |
5414 | zlog_debug( | |
54c17425 | 5415 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5416 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5417 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5418 | ifp->ifindex, state, ext_learned ? "ext-learned " : "", | |
54c17425 | 5419 | router_flag ? "router " : "", |
8c9b80b9 | 5420 | zvni->vni); |
d62a17ae | 5421 | |
ee69da27 MK |
5422 | /* Is this about a local neighbor or a remote one? */ |
5423 | if (!ext_learned) | |
68e33151 CS |
5424 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
5425 | router_flag); | |
b7cfce93 | 5426 | |
ee69da27 | 5427 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5428 | } |
5429 | ||
b682f6de | 5430 | |
2232a77c | 5431 | /* |
5432 | * Handle message from client to delete a remote MACIP for a VNI. | |
5433 | */ | |
89f4e507 | 5434 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5435 | { |
5436 | struct stream *s; | |
5437 | vni_t vni; | |
5438 | struct ethaddr macaddr; | |
5439 | struct ipaddr ip; | |
5440 | struct in_addr vtep_ip; | |
9df2b997 | 5441 | uint16_t l = 0, ipa_len; |
d62a17ae | 5442 | char buf[ETHER_ADDR_STRLEN]; |
5443 | char buf1[INET6_ADDRSTRLEN]; | |
5444 | ||
b7cfce93 | 5445 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5446 | memset(&ip, 0, sizeof(struct ipaddr)); |
5447 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5448 | ||
1002497a | 5449 | s = msg; |
d62a17ae | 5450 | |
89f4e507 | 5451 | while (l < hdr->length) { |
d62a17ae | 5452 | /* Obtain each remote MACIP and process. */ |
5453 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5454 | * followed by remote VTEP IP. | |
5455 | */ | |
d62a17ae | 5456 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5457 | STREAM_GETL(s, vni); |
5458 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5459 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5460 | if (ipa_len) { |
5461 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5462 | : IPADDR_V6; | |
ec93aa12 | 5463 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5464 | } |
ff8b7eb8 | 5465 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5466 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5467 | l += IPV4_MAX_BYTELEN; |
5468 | ||
5469 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5470 | zlog_debug( | |
f07e1c99 | 5471 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5472 | vni, | |
d62a17ae | 5473 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5474 | ipa_len ? " IP " : "", |
5475 | ipa_len ? | |
5476 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5477 | inet_ntoa(vtep_ip), |
5478 | zebra_route_string(client->proto)); | |
5479 | ||
f07e1c99 | 5480 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5481 | } |
5482 | ||
ec93aa12 | 5483 | stream_failure: |
8068a649 | 5484 | return; |
2232a77c | 5485 | } |
5486 | ||
5487 | /* | |
5488 | * Handle message from client to add a remote MACIP for a VNI. This | |
5489 | * could be just the add of a MAC address or the add of a neighbor | |
5490 | * (IP+MAC). | |
5491 | */ | |
89f4e507 | 5492 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5493 | { |
5494 | struct stream *s; | |
5495 | vni_t vni; | |
5496 | struct ethaddr macaddr; | |
5497 | struct ipaddr ip; | |
5498 | struct in_addr vtep_ip; | |
9df2b997 | 5499 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5500 | uint8_t flags = 0; |
5501 | uint32_t seq; | |
d62a17ae | 5502 | char buf[ETHER_ADDR_STRLEN]; |
5503 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5504 | |
b7cfce93 | 5505 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5506 | memset(&ip, 0, sizeof(struct ipaddr)); |
5507 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5508 | ||
ec93aa12 | 5509 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 5510 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5511 | return; |
ec93aa12 | 5512 | } |
d62a17ae | 5513 | |
1002497a | 5514 | s = msg; |
d62a17ae | 5515 | |
89f4e507 | 5516 | while (l < hdr->length) { |
d62a17ae | 5517 | /* Obtain each remote MACIP and process. */ |
5518 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5519 | * followed by remote VTEP IP. | |
5520 | */ | |
d62a17ae | 5521 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5522 | STREAM_GETL(s, vni); |
5523 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5524 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5525 | if (ipa_len) { |
5526 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5527 | : IPADDR_V6; | |
ec93aa12 | 5528 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5529 | } |
ff8b7eb8 | 5530 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5531 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5532 | l += IPV4_MAX_BYTELEN; |
5533 | ||
ead40654 | 5534 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5535 | STREAM_GETC(s, flags); |
d62a17ae | 5536 | l++; |
f07e1c99 | 5537 | STREAM_GETL(s, seq); |
5538 | l += 4; | |
d62a17ae | 5539 | |
5540 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5541 | zlog_debug( | |
f07e1c99 | 5542 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5543 | vni, | |
d62a17ae | 5544 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5545 | ipa_len ? " IP " : "", |
5546 | ipa_len ? | |
5547 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5548 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5549 | zebra_route_string(client->proto)); |
5550 | ||
f07e1c99 | 5551 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5552 | flags, seq, vtep_ip); | |
d62a17ae | 5553 | } |
5554 | ||
ec93aa12 | 5555 | stream_failure: |
8068a649 | 5556 | return; |
13d60d35 | 5557 | } |
5558 | ||
5559 | /* | |
2232a77c | 5560 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5561 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5562 | * of any prior local MAC. | |
13d60d35 | 5563 | */ |
d62a17ae | 5564 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5565 | struct interface *br_if, | |
5566 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5567 | { |
d62a17ae | 5568 | struct zebra_if *zif; |
d62a17ae | 5569 | struct zebra_l2info_vxlan *vxl; |
5570 | vni_t vni; | |
5571 | zebra_vni_t *zvni; | |
5572 | zebra_mac_t *mac; | |
5573 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5574 | |
d62a17ae | 5575 | zif = ifp->info; |
5576 | assert(zif); | |
5577 | vxl = &zif->l2info.vxl; | |
5578 | vni = vxl->vni; | |
13d60d35 | 5579 | |
2853fed6 | 5580 | /* Check if EVPN is enabled. */ |
5581 | if (!is_evpn_enabled()) | |
d62a17ae | 5582 | return 0; |
13d60d35 | 5583 | |
d62a17ae | 5584 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5585 | zvni = zvni_lookup(vni); |
d62a17ae | 5586 | if (!zvni) |
5587 | return 0; | |
13d60d35 | 5588 | |
d62a17ae | 5589 | /* If entry doesn't exist, nothing to do. */ |
5590 | mac = zvni_mac_lookup(zvni, macaddr); | |
5591 | if (!mac) | |
5592 | return 0; | |
13d60d35 | 5593 | |
d62a17ae | 5594 | /* Is it a local entry? */ |
5595 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5596 | return 0; | |
13d60d35 | 5597 | |
d62a17ae | 5598 | if (IS_ZEBRA_DEBUG_VXLAN) |
5599 | zlog_debug( | |
2853fed6 | 5600 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5601 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5602 | ifp->ifindex, vni); | |
13d60d35 | 5603 | |
d62a17ae | 5604 | /* Remove MAC from BGP. */ |
ead40654 | 5605 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5606 | |
b6938a74 MK |
5607 | /* |
5608 | * If there are no neigh associated with the mac delete the mac | |
5609 | * else mark it as AUTO for forward reference | |
5610 | */ | |
5611 | if (!listcount(mac->neigh_list)) { | |
5612 | zvni_mac_del(zvni, mac); | |
5613 | } else { | |
5614 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5615 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5616 | } | |
13d60d35 | 5617 | |
d62a17ae | 5618 | return 0; |
13d60d35 | 5619 | } |
5620 | ||
5621 | /* | |
2232a77c | 5622 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5623 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5624 | * so the kernel can ageout the entry. | |
13d60d35 | 5625 | */ |
d62a17ae | 5626 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5627 | struct interface *br_if, | |
5628 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5629 | { |
a9a76262 MK |
5630 | struct zebra_if *zif = NULL; |
5631 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5632 | vni_t vni; |
a9a76262 MK |
5633 | zebra_vni_t *zvni = NULL; |
5634 | zebra_l3vni_t *zl3vni = NULL; | |
5635 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5636 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5637 | |
d62a17ae | 5638 | zif = ifp->info; |
5639 | assert(zif); | |
5640 | vxl = &zif->l2info.vxl; | |
5641 | vni = vxl->vni; | |
2232a77c | 5642 | |
2853fed6 | 5643 | /* Check if EVPN is enabled. */ |
5644 | if (!is_evpn_enabled()) | |
d62a17ae | 5645 | return 0; |
2232a77c | 5646 | |
a9a76262 MK |
5647 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5648 | zl3vni = zl3vni_lookup(vni); | |
5649 | if (zl3vni) | |
5650 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5651 | ||
d62a17ae | 5652 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5653 | zvni = zvni_lookup(vni); |
d62a17ae | 5654 | if (!zvni) |
5655 | return 0; | |
13d60d35 | 5656 | |
d62a17ae | 5657 | /* If entry doesn't exist, nothing to do. */ |
5658 | mac = zvni_mac_lookup(zvni, macaddr); | |
5659 | if (!mac) | |
5660 | return 0; | |
2232a77c | 5661 | |
d62a17ae | 5662 | /* Is it a remote entry? */ |
5663 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5664 | return 0; | |
2232a77c | 5665 | |
d62a17ae | 5666 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5667 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5668 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5669 | ifp->ifindex, vni); | |
13d60d35 | 5670 | |
d62a17ae | 5671 | zvni_mac_install(zvni, mac); |
5672 | return 0; | |
13d60d35 | 5673 | } |
5674 | ||
5675 | /* | |
2232a77c | 5676 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5677 | */ |
d62a17ae | 5678 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5679 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5680 | { |
d62a17ae | 5681 | zebra_vni_t *zvni; |
5682 | zebra_mac_t *mac; | |
d62a17ae | 5683 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5684 | |
d62a17ae | 5685 | /* We are interested in MACs only on ports or (port, VLAN) that |
5686 | * map to a VNI. | |
5687 | */ | |
5688 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5689 | if (!zvni) | |
5690 | return 0; | |
5691 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5692 | zlog_debug( |
5693 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5694 | zvni->vni, zvni); | |
d62a17ae | 5695 | return -1; |
5696 | } | |
13d60d35 | 5697 | |
d62a17ae | 5698 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5699 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5700 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5701 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5702 | |
d62a17ae | 5703 | /* If entry doesn't exist, nothing to do. */ |
5704 | mac = zvni_mac_lookup(zvni, macaddr); | |
5705 | if (!mac) | |
5706 | return 0; | |
2232a77c | 5707 | |
d62a17ae | 5708 | /* Is it a local entry? */ |
5709 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5710 | return 0; | |
2232a77c | 5711 | |
b6938a74 | 5712 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5713 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5714 | |
f07e1c99 | 5715 | /* Remove MAC from BGP. */ |
5716 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); | |
5717 | ||
b6938a74 MK |
5718 | /* |
5719 | * If there are no neigh associated with the mac delete the mac | |
5720 | * else mark it as AUTO for forward reference | |
5721 | */ | |
5722 | if (!listcount(mac->neigh_list)) { | |
5723 | zvni_mac_del(zvni, mac); | |
5724 | } else { | |
5725 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5726 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5727 | } | |
2232a77c | 5728 | |
d62a17ae | 5729 | return 0; |
13d60d35 | 5730 | } |
5731 | ||
5732 | /* | |
2232a77c | 5733 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5734 | */ |
d62a17ae | 5735 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5736 | struct interface *br_if, | |
5737 | struct ethaddr *macaddr, vlanid_t vid, | |
d7c0a89a | 5738 | uint8_t sticky) |
d62a17ae | 5739 | { |
5740 | zebra_vni_t *zvni; | |
5741 | zebra_mac_t *mac; | |
d62a17ae | 5742 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5743 | bool mac_sticky = false; |
5744 | bool inform_client = false; | |
5745 | bool upd_neigh = false; | |
d62a17ae | 5746 | |
5747 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5748 | * map to a VNI. | |
5749 | */ | |
5750 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5751 | if (!zvni) { | |
5752 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5753 | zlog_debug( | |
2853fed6 | 5754 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5755 | sticky ? "sticky " : "", | |
d62a17ae | 5756 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5757 | ifp->name, ifp->ifindex, vid); | |
5758 | return 0; | |
5759 | } | |
5760 | ||
5761 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5762 | zlog_debug( |
5763 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5764 | zvni->vni, zvni); | |
d62a17ae | 5765 | return -1; |
5766 | } | |
5767 | ||
f07e1c99 | 5768 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5769 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5770 | if (!mac) { |
5771 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5772 | zlog_debug( | |
5773 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5774 | sticky ? "sticky " : "", | |
5775 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5776 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5777 | |
f07e1c99 | 5778 | mac = zvni_mac_add(zvni, macaddr); |
5779 | if (!mac) { | |
5780 | flog_err( | |
e914ccbe | 5781 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 5782 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
5783 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5784 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5785 | return -1; | |
5786 | } | |
5787 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5788 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5789 | mac->fwd_info.local.vid = vid; | |
5790 | if (sticky) | |
5791 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5792 | inform_client = true; | |
5793 | ||
5794 | } else { | |
5795 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5796 | zlog_debug( | |
5797 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5798 | sticky ? "sticky " : "", | |
5799 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5800 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5801 | mac->flags); | |
5802 | ||
5803 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5804 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5805 | mac_sticky = true; | |
b6938a74 | 5806 | |
b8ce75a5 | 5807 | /* |
f07e1c99 | 5808 | * Update any changes and if changes are relevant to |
5809 | * BGP, note it. | |
b8ce75a5 | 5810 | */ |
d62a17ae | 5811 | if (mac_sticky == sticky |
5812 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5813 | && mac->fwd_info.local.vid == vid) { | |
5814 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5815 | zlog_debug( | |
2853fed6 | 5816 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5817 | "entry exists and has not changed ", |
d62a17ae | 5818 | sticky ? "sticky " : "", |
5819 | prefix_mac2str(macaddr, buf, | |
5820 | sizeof(buf)), | |
5821 | ifp->name, ifp->ifindex, vid, | |
5822 | zvni->vni); | |
5823 | return 0; | |
b6938a74 | 5824 | } |
f07e1c99 | 5825 | if (mac_sticky != sticky) { |
5826 | if (sticky) | |
5827 | SET_FLAG(mac->flags, | |
5828 | ZEBRA_MAC_STICKY); | |
5829 | else | |
5830 | UNSET_FLAG(mac->flags, | |
5831 | ZEBRA_MAC_STICKY); | |
5832 | inform_client = true; | |
5833 | } | |
5834 | ||
5835 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5836 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5837 | mac->fwd_info.local.vid = vid; | |
5838 | ||
5839 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5840 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5841 | ||
421bb26a | 5842 | /* |
f07e1c99 | 5843 | * MAC has either moved or was "internally" created due |
5844 | * to a neighbor learn and is now actually learnt. If | |
5845 | * it was learnt as a remote sticky MAC, this is an | |
5846 | * operator error. | |
421bb26a | 5847 | */ |
8f4b98ee | 5848 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 5849 | flog_warn( |
e914ccbe | 5850 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 5851 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
5852 | prefix_mac2str(macaddr, buf, |
5853 | sizeof(buf)), | |
5854 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5855 | zvni->vni); | |
8f4b98ee MK |
5856 | return 0; |
5857 | } | |
d62a17ae | 5858 | |
f07e1c99 | 5859 | /* If an actual move, compute MAC's seq number */ |
5860 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5861 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5862 | mac->loc_seq); | |
5863 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5864 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5865 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5866 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5867 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5868 | mac->fwd_info.local.vid = vid; | |
5869 | if (sticky) | |
5870 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5871 | else | |
5872 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5873 | /* | |
5874 | * We have to inform BGP of this MAC as well as process | |
5875 | * all neighbors. | |
5876 | */ | |
5877 | inform_client = true; | |
5878 | upd_neigh = true; | |
d62a17ae | 5879 | } |
5880 | } | |
5881 | ||
d62a17ae | 5882 | /* Inform BGP if required. */ |
f07e1c99 | 5883 | if (inform_client) { |
5884 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
5885 | mac->flags, mac->loc_seq)) | |
5886 | return -1; | |
b6938a74 | 5887 | } |
d62a17ae | 5888 | |
f07e1c99 | 5889 | /* Process all neighbors associated with this MAC, if required. */ |
5890 | if (upd_neigh) | |
5891 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
5892 | ||
d62a17ae | 5893 | return 0; |
2232a77c | 5894 | } |
13d60d35 | 5895 | |
5896 | /* | |
5897 | * Handle message from client to delete a remote VTEP for a VNI. | |
5898 | */ | |
89f4e507 | 5899 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5900 | { |
5901 | struct stream *s; | |
d7c0a89a | 5902 | unsigned short l = 0; |
d62a17ae | 5903 | vni_t vni; |
5904 | struct in_addr vtep_ip; | |
5905 | zebra_vni_t *zvni; | |
5906 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5907 | struct interface *ifp; |
5908 | struct zebra_if *zif; | |
d62a17ae | 5909 | |
ec93aa12 | 5910 | if (!is_evpn_enabled()) { |
9df414fe | 5911 | zlog_debug( |
996c9314 LB |
5912 | "%s: EVPN is not enabled yet we have received a vtep del command", |
5913 | __PRETTY_FUNCTION__); | |
8068a649 | 5914 | return; |
ec93aa12 DS |
5915 | } |
5916 | ||
2853fed6 | 5917 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
5918 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
5919 | zvrf_id(zvrf)); | |
8068a649 | 5920 | return; |
2853fed6 | 5921 | } |
5922 | ||
1002497a | 5923 | s = msg; |
d62a17ae | 5924 | |
89f4e507 | 5925 | while (l < hdr->length) { |
d62a17ae | 5926 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5927 | STREAM_GETL(s, vni); |
d62a17ae | 5928 | l += 4; |
ec93aa12 | 5929 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5930 | l += IPV4_MAX_BYTELEN; |
5931 | ||
5932 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5933 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5934 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5935 | zebra_route_string(client->proto)); |
5936 | ||
5937 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5938 | zvni = zvni_lookup(vni); |
d62a17ae | 5939 | if (!zvni) { |
5940 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5941 | zlog_debug( | |
5942 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5943 | "VNI %u", |
5944 | vni); | |
d62a17ae | 5945 | continue; |
5946 | } | |
5947 | ||
b5ebdc9b | 5948 | ifp = zvni->vxlan_if; |
5949 | if (!ifp) { | |
9df414fe | 5950 | zlog_debug( |
60466a63 QY |
5951 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5952 | zvni->vni, zvni); | |
b682f6de | 5953 | continue; |
b5ebdc9b | 5954 | } |
5955 | zif = ifp->info; | |
5956 | ||
5957 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5958 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5959 | continue; |
5960 | ||
d62a17ae | 5961 | /* If the remote VTEP does not exist, there's nothing more to |
5962 | * do. | |
5963 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5964 | * and | |
5965 | * then, the VTEP entry itself and remove it. | |
5966 | */ | |
5967 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5968 | if (!zvtep) | |
5969 | continue; | |
5970 | ||
5971 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5972 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5973 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5974 | zvni_vtep_del(zvni, zvtep); | |
5975 | } | |
5976 | ||
ec93aa12 | 5977 | stream_failure: |
8068a649 | 5978 | return; |
13d60d35 | 5979 | } |
5980 | ||
5981 | /* | |
5982 | * Handle message from client to add a remote VTEP for a VNI. | |
5983 | */ | |
89f4e507 | 5984 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5985 | { |
5986 | struct stream *s; | |
d7c0a89a | 5987 | unsigned short l = 0; |
d62a17ae | 5988 | vni_t vni; |
5989 | struct in_addr vtep_ip; | |
5990 | zebra_vni_t *zvni; | |
b5ebdc9b | 5991 | struct interface *ifp; |
5992 | struct zebra_if *zif; | |
d62a17ae | 5993 | |
ec93aa12 | 5994 | if (!is_evpn_enabled()) { |
9df414fe | 5995 | zlog_debug( |
996c9314 LB |
5996 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
5997 | __PRETTY_FUNCTION__); | |
8068a649 | 5998 | return; |
ec93aa12 DS |
5999 | } |
6000 | ||
2853fed6 | 6001 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6002 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6003 | zvrf_id(zvrf)); | |
8068a649 | 6004 | return; |
2853fed6 | 6005 | } |
d62a17ae | 6006 | |
1002497a | 6007 | s = msg; |
d62a17ae | 6008 | |
89f4e507 | 6009 | while (l < hdr->length) { |
d62a17ae | 6010 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6011 | STREAM_GETL(s, vni); |
d62a17ae | 6012 | l += 4; |
ec93aa12 | 6013 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6014 | l += IPV4_MAX_BYTELEN; |
6015 | ||
6016 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6017 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6018 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6019 | zebra_route_string(client->proto)); |
6020 | ||
6021 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6022 | zvni = zvni_lookup(vni); |
d62a17ae | 6023 | if (!zvni) { |
af4c2728 | 6024 | flog_err( |
e914ccbe | 6025 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6026 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6027 | vni); | |
d62a17ae | 6028 | continue; |
6029 | } | |
b5ebdc9b | 6030 | |
6031 | ifp = zvni->vxlan_if; | |
6032 | if (!ifp) { | |
af4c2728 | 6033 | flog_err( |
e914ccbe | 6034 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6035 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6036 | zvni->vni, zvni); | |
6037 | continue; | |
6038 | } | |
6039 | ||
b5ebdc9b | 6040 | zif = ifp->info; |
d62a17ae | 6041 | |
b5ebdc9b | 6042 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6043 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6044 | continue; |
6045 | ||
b682f6de | 6046 | /* If the remote VTEP already exists, |
6047 | there's nothing more to do. */ | |
b5ebdc9b | 6048 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6049 | continue; |
6050 | ||
6051 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6052 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6053 | "Failed to add remote VTEP, VNI %u zvni %p", |
6054 | vni, zvni); | |
d62a17ae | 6055 | continue; |
6056 | } | |
6057 | ||
6058 | zvni_vtep_install(zvni, &vtep_ip); | |
6059 | } | |
6060 | ||
ec93aa12 | 6061 | stream_failure: |
8068a649 | 6062 | return; |
13d60d35 | 6063 | } |
6064 | ||
1a98c087 MK |
6065 | /* |
6066 | * Add/Del gateway macip to evpn | |
6067 | * g/w can be: | |
6068 | * 1. SVI interface on a vlan aware bridge | |
6069 | * 2. SVI interface on a vlan unaware bridge | |
6070 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6071 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6072 | */ | |
6073 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6074 | int add) | |
6075 | { | |
6076 | struct ipaddr ip; | |
6077 | struct ethaddr macaddr; | |
6078 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6079 | |
6080 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6081 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6082 | ||
2853fed6 | 6083 | /* Check if EVPN is enabled. */ |
6084 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6085 | return 0; |
6086 | ||
1a98c087 MK |
6087 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6088 | struct interface *svi_if = | |
6089 | NULL; /* SVI corresponding to the MACVLAN */ | |
6090 | struct zebra_if *ifp_zif = | |
6091 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6092 | struct zebra_if *svi_if_zif = | |
6093 | NULL; /* Zebra daemon specific info for SVI*/ | |
6094 | ||
6095 | ifp_zif = ifp->info; | |
6096 | if (!ifp_zif) | |
6097 | return -1; | |
6098 | ||
71349e03 MK |
6099 | /* |
6100 | * for a MACVLAN interface the link represents the svi_if | |
6101 | */ | |
6102 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6103 | ifp_zif->link_ifindex); | |
1a98c087 | 6104 | if (!svi_if) { |
9df414fe QY |
6105 | zlog_debug("MACVLAN %s(%u) without link information", |
6106 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6107 | return -1; |
6108 | } | |
6109 | ||
6110 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6111 | /* |
6112 | * If it is a vlan aware bridge then the link gives the | |
6113 | * bridge information | |
6114 | */ | |
6115 | struct interface *svi_if_link = NULL; | |
6116 | ||
1a98c087 | 6117 | svi_if_zif = svi_if->info; |
71349e03 MK |
6118 | if (svi_if_zif) { |
6119 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6120 | zebra_ns_lookup(NS_DEFAULT), |
6121 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6122 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6123 | } |
1a98c087 | 6124 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6125 | /* |
6126 | * If it is a vlan unaware bridge then svi is the bridge | |
6127 | * itself | |
6128 | */ | |
b7cfce93 | 6129 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6130 | } |
6131 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6132 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6133 | NULL; /* Zebra daemon specific info for SVI */ |
6134 | struct interface *svi_if_link = | |
6135 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6136 | |
6137 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6138 | if (svi_if_zif) { |
6139 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6140 | zebra_ns_lookup(NS_DEFAULT), |
6141 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6142 | if (svi_if_link) |
6143 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6144 | } | |
1a98c087 | 6145 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6146 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6147 | } |
6148 | ||
6149 | if (!zvni) | |
6150 | return 0; | |
6151 | ||
6152 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6153 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6154 | zvni->vni, zvni); | |
1a98c087 MK |
6155 | return -1; |
6156 | } | |
6157 | ||
1a98c087 | 6158 | |
1a98c087 MK |
6159 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6160 | ||
6161 | if (p->family == AF_INET) { | |
6162 | ip.ipa_type = IPADDR_V4; | |
6163 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6164 | sizeof(struct in_addr)); | |
6165 | } else if (p->family == AF_INET6) { | |
6166 | ip.ipa_type = IPADDR_V6; | |
6167 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6168 | sizeof(struct in6_addr)); | |
6169 | } | |
6170 | ||
6171 | ||
6172 | if (add) | |
6173 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6174 | else | |
6175 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6176 | ||
6177 | return 0; | |
6178 | } | |
6179 | ||
2232a77c | 6180 | /* |
b7cfce93 MK |
6181 | * Handle SVI interface going down. |
6182 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6183 | * For L2-VNI: At this point, this is a NOP since | |
6184 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6185 | * We only need to update the vrf corresponding to zvni. | |
6186 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6187 | * from bgp | |
2232a77c | 6188 | */ |
d62a17ae | 6189 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6190 | { |
b7cfce93 MK |
6191 | zebra_l3vni_t *zl3vni = NULL; |
6192 | ||
6193 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6194 | if (zl3vni) { | |
6195 | ||
6196 | /* process l3-vni down */ | |
6197 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6198 | ||
6199 | /* remove association with svi-if */ | |
6200 | zl3vni->svi_if = NULL; | |
6201 | } else { | |
6202 | zebra_vni_t *zvni = NULL; | |
6203 | ||
6204 | /* since we dont have svi corresponding to zvni, we associate it | |
6205 | * to default vrf. Note: the corresponding neigh entries on the | |
6206 | * SVI would have already been deleted */ | |
6207 | zvni = zvni_from_svi(ifp, link_if); | |
6208 | if (zvni) { | |
6209 | zvni->vrf_id = VRF_DEFAULT; | |
6210 | ||
6211 | /* update the tenant vrf in BGP */ | |
6212 | zvni_send_add_to_client(zvni); | |
6213 | } | |
6214 | } | |
d62a17ae | 6215 | return 0; |
2232a77c | 6216 | } |
6217 | ||
6218 | /* | |
b7cfce93 MK |
6219 | * Handle SVI interface coming up. |
6220 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6221 | * vxlan intf). | |
6222 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6223 | * apr-suppression) | |
6224 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6225 | */ |
d62a17ae | 6226 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6227 | { |
b7cfce93 MK |
6228 | zebra_vni_t *zvni = NULL; |
6229 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6230 | |
b7cfce93 MK |
6231 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6232 | if (zl3vni) { | |
2232a77c | 6233 | |
b7cfce93 MK |
6234 | /* associate with svi */ |
6235 | zl3vni->svi_if = ifp; | |
2232a77c | 6236 | |
b7cfce93 MK |
6237 | /* process oper-up */ |
6238 | if (is_l3vni_oper_up(zl3vni)) | |
6239 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6240 | } else { | |
6241 | ||
6242 | /* process SVI up for l2-vni */ | |
6243 | struct neigh_walk_ctx n_wctx; | |
6244 | ||
6245 | zvni = zvni_from_svi(ifp, link_if); | |
6246 | if (!zvni) | |
6247 | return 0; | |
6248 | ||
6249 | if (!zvni->vxlan_if) { | |
9df414fe | 6250 | zlog_debug( |
43e52561 QY |
6251 | "VNI %u hash %p doesn't have intf upon SVI up", |
6252 | zvni->vni, zvni); | |
b7cfce93 MK |
6253 | return -1; |
6254 | } | |
6255 | ||
6256 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6257 | zlog_debug( |
6258 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6259 | ifp->name, ifp->ifindex, zvni->vni, | |
6260 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6261 | |
b7cfce93 MK |
6262 | /* update the vrf information for l2-vni and inform bgp */ |
6263 | zvni->vrf_id = ifp->vrf_id; | |
6264 | zvni_send_add_to_client(zvni); | |
6265 | ||
6266 | /* Install any remote neighbors for this VNI. */ | |
6267 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6268 | n_wctx.zvni = zvni; | |
996c9314 | 6269 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6270 | &n_wctx); |
6271 | } | |
2232a77c | 6272 | |
d62a17ae | 6273 | return 0; |
2232a77c | 6274 | } |
6275 | ||
13d60d35 | 6276 | /* |
b7cfce93 | 6277 | * Handle VxLAN interface down |
13d60d35 | 6278 | */ |
d62a17ae | 6279 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6280 | { |
d62a17ae | 6281 | vni_t vni; |
b7cfce93 MK |
6282 | struct zebra_if *zif = NULL; |
6283 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6284 | zebra_l3vni_t *zl3vni = NULL; |
6285 | zebra_vni_t *zvni; | |
13d60d35 | 6286 | |
2853fed6 | 6287 | /* Check if EVPN is enabled. */ |
6288 | if (!is_evpn_enabled()) | |
d62a17ae | 6289 | return 0; |
13d60d35 | 6290 | |
d62a17ae | 6291 | zif = ifp->info; |
6292 | assert(zif); | |
6293 | vxl = &zif->l2info.vxl; | |
6294 | vni = vxl->vni; | |
13d60d35 | 6295 | |
643215ce | 6296 | zl3vni = zl3vni_lookup(vni); |
6297 | if (zl3vni) { | |
b7cfce93 | 6298 | /* process-if-down for l3-vni */ |
b7cfce93 | 6299 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6300 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6301 | ifp->ifindex, vni); | |
b7cfce93 | 6302 | |
b7cfce93 | 6303 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6304 | } else { |
6305 | /* process if-down for l2-vni */ | |
b7cfce93 | 6306 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6307 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6308 | ifp->ifindex, vni); | |
13d60d35 | 6309 | |
b7cfce93 MK |
6310 | /* Locate hash entry; it is expected to exist. */ |
6311 | zvni = zvni_lookup(vni); | |
6312 | if (!zvni) { | |
9df414fe | 6313 | zlog_debug( |
b7cfce93 MK |
6314 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6315 | ifp->name, ifp->ifindex, vni); | |
6316 | return -1; | |
6317 | } | |
13d60d35 | 6318 | |
b7cfce93 | 6319 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6320 | |
b7cfce93 MK |
6321 | /* Delete this VNI from BGP. */ |
6322 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6323 | |
b7cfce93 MK |
6324 | /* Free up all neighbors and MACs, if any. */ |
6325 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6326 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6327 | |
b7cfce93 MK |
6328 | /* Free up all remote VTEPs, if any. */ |
6329 | zvni_vtep_del_all(zvni, 1); | |
6330 | } | |
d62a17ae | 6331 | return 0; |
13d60d35 | 6332 | } |
6333 | ||
6334 | /* | |
6335 | * Handle VxLAN interface up - update BGP if required. | |
6336 | */ | |
d62a17ae | 6337 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6338 | { |
d62a17ae | 6339 | vni_t vni; |
b7cfce93 MK |
6340 | struct zebra_if *zif = NULL; |
6341 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6342 | zebra_vni_t *zvni = NULL; |
6343 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6344 | |
2853fed6 | 6345 | /* Check if EVPN is enabled. */ |
6346 | if (!is_evpn_enabled()) | |
d62a17ae | 6347 | return 0; |
13d60d35 | 6348 | |
d62a17ae | 6349 | zif = ifp->info; |
6350 | assert(zif); | |
6351 | vxl = &zif->l2info.vxl; | |
6352 | vni = vxl->vni; | |
13d60d35 | 6353 | |
643215ce | 6354 | zl3vni = zl3vni_lookup(vni); |
6355 | if (zl3vni) { | |
13d60d35 | 6356 | |
b7cfce93 | 6357 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6358 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6359 | ifp->ifindex, vni); | |
13d60d35 | 6360 | |
b7cfce93 | 6361 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6362 | * svi-if only after association with vxlan-intf is complete |
6363 | */ | |
b7cfce93 MK |
6364 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6365 | ||
6366 | if (is_l3vni_oper_up(zl3vni)) | |
6367 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6368 | } else { | |
6369 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6370 | struct interface *vlan_if = NULL; |
6371 | ||
6372 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6373 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6374 | ifp->ifindex, vni); | |
b7cfce93 MK |
6375 | |
6376 | /* Locate hash entry; it is expected to exist. */ | |
6377 | zvni = zvni_lookup(vni); | |
6378 | if (!zvni) { | |
9df414fe | 6379 | zlog_debug( |
b7cfce93 MK |
6380 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6381 | ifp->name, ifp->ifindex, vni); | |
6382 | return -1; | |
6383 | } | |
6384 | ||
6385 | assert(zvni->vxlan_if == ifp); | |
6386 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6387 | zif->brslave_info.br_if); | |
6388 | if (vlan_if) { | |
6389 | zvni->vrf_id = vlan_if->vrf_id; | |
6390 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6391 | if (zl3vni) | |
6392 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6393 | } | |
6394 | ||
6395 | /* If part of a bridge, inform BGP about this VNI. */ | |
6396 | /* Also, read and populate local MACs and neighbors. */ | |
6397 | if (zif->brslave_info.br_if) { | |
6398 | zvni_send_add_to_client(zvni); | |
6399 | zvni_read_mac_neigh(zvni, ifp); | |
6400 | } | |
d62a17ae | 6401 | } |
13d60d35 | 6402 | |
d62a17ae | 6403 | return 0; |
13d60d35 | 6404 | } |
6405 | ||
6406 | /* | |
6407 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6408 | * and update BGP, if required. | |
6409 | */ | |
d62a17ae | 6410 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6411 | { |
d62a17ae | 6412 | vni_t vni; |
b7cfce93 MK |
6413 | struct zebra_if *zif = NULL; |
6414 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6415 | zebra_vni_t *zvni = NULL; |
6416 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6417 | |
2853fed6 | 6418 | /* Check if EVPN is enabled. */ |
6419 | if (!is_evpn_enabled()) | |
d62a17ae | 6420 | return 0; |
13d60d35 | 6421 | |
d62a17ae | 6422 | zif = ifp->info; |
6423 | assert(zif); | |
6424 | vxl = &zif->l2info.vxl; | |
6425 | vni = vxl->vni; | |
13d60d35 | 6426 | |
643215ce | 6427 | zl3vni = zl3vni_lookup(vni); |
6428 | if (zl3vni) { | |
b7cfce93 MK |
6429 | |
6430 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6431 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6432 | ifp->ifindex); | |
13d60d35 | 6433 | |
b7cfce93 MK |
6434 | /* process oper-down for l3-vni */ |
6435 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6436 | |
b7cfce93 | 6437 | /* remove the association with vxlan_if */ |
b67a60d2 | 6438 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6439 | zl3vni->vxlan_if = NULL; |
6440 | } else { | |
13d60d35 | 6441 | |
b7cfce93 | 6442 | /* process if-del for l2-vni*/ |
b7cfce93 | 6443 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6444 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6445 | ifp->ifindex); | |
b7cfce93 MK |
6446 | |
6447 | /* Locate hash entry; it is expected to exist. */ | |
6448 | zvni = zvni_lookup(vni); | |
6449 | if (!zvni) { | |
9df414fe | 6450 | zlog_debug( |
b7cfce93 MK |
6451 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6452 | ifp->name, ifp->ifindex, vni); | |
6453 | return 0; | |
6454 | } | |
6455 | ||
6456 | /* remove from l3-vni list */ | |
6457 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6458 | if (zl3vni) | |
6459 | listnode_delete(zl3vni->l2vnis, zvni); | |
6460 | ||
6461 | /* Delete VNI from BGP. */ | |
6462 | zvni_send_del_to_client(zvni->vni); | |
6463 | ||
6464 | /* Free up all neighbors and MAC, if any. */ | |
6465 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6466 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6467 | ||
6468 | /* Free up all remote VTEPs, if any. */ | |
6469 | zvni_vtep_del_all(zvni, 0); | |
6470 | ||
6471 | /* Delete the hash entry. */ | |
6472 | if (zvni_del(zvni)) { | |
e914ccbe | 6473 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
6474 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6475 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6476 | return -1; |
6477 | } | |
d62a17ae | 6478 | } |
d62a17ae | 6479 | return 0; |
13d60d35 | 6480 | } |
6481 | ||
6482 | /* | |
6483 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6484 | */ | |
d7c0a89a | 6485 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6486 | { |
d62a17ae | 6487 | vni_t vni; |
b7cfce93 MK |
6488 | struct zebra_if *zif = NULL; |
6489 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6490 | zebra_vni_t *zvni = NULL; |
6491 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6492 | |
2853fed6 | 6493 | /* Check if EVPN is enabled. */ |
6494 | if (!is_evpn_enabled()) | |
d62a17ae | 6495 | return 0; |
6496 | ||
6497 | zif = ifp->info; | |
6498 | assert(zif); | |
6499 | vxl = &zif->l2info.vxl; | |
6500 | vni = vxl->vni; | |
6501 | ||
643215ce | 6502 | zl3vni = zl3vni_lookup(vni); |
6503 | if (zl3vni) { | |
af026ae4 | 6504 | |
b7cfce93 MK |
6505 | if (IS_ZEBRA_DEBUG_VXLAN) |
6506 | zlog_debug( | |
6507 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6508 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6509 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6510 | zif->brslave_info.bridge_ifindex, chgflags); |
6511 | ||
6512 | /* Removed from bridge? Cleanup and return */ | |
6513 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6514 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6515 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6516 | return 0; | |
6517 | } | |
6518 | ||
6519 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6520 | * svi_if and then process oper up again |
6521 | */ | |
b7cfce93 MK |
6522 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6523 | if (if_is_operative(ifp)) { | |
6524 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6525 | zl3vni->svi_if = NULL; | |
6526 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6527 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6528 | if (is_l3vni_oper_up(zl3vni)) |
6529 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6530 | zl3vni); |
b7cfce93 MK |
6531 | } |
6532 | } | |
d62a17ae | 6533 | |
12eeac84 MK |
6534 | /* |
6535 | * local-ip change - process oper down, associate with new | |
6536 | * local-ip and then process oper up again | |
6537 | */ | |
6538 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6539 | if (if_is_operative(ifp)) { | |
6540 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6541 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6542 | if (is_l3vni_oper_up(zl3vni)) | |
6543 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6544 | zl3vni); |
12eeac84 MK |
6545 | } |
6546 | } | |
6547 | ||
bca63dc8 MK |
6548 | /* Update local tunnel IP. */ |
6549 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6550 | ||
12eeac84 MK |
6551 | /* if we have a valid new master, process l3-vni oper up */ |
6552 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6553 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6554 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6555 | } | |
6556 | } else { | |
d62a17ae | 6557 | |
b7cfce93 MK |
6558 | /* Update VNI hash. */ |
6559 | zvni = zvni_lookup(vni); | |
6560 | if (!zvni) { | |
9df414fe | 6561 | zlog_debug( |
b7cfce93 MK |
6562 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6563 | ifp->name, ifp->ifindex, vni); | |
6564 | return -1; | |
6565 | } | |
d62a17ae | 6566 | |
b7cfce93 MK |
6567 | if (IS_ZEBRA_DEBUG_VXLAN) |
6568 | zlog_debug( | |
6569 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6570 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6571 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6572 | zif->brslave_info.bridge_ifindex, chgflags); |
6573 | ||
6574 | /* Removed from bridge? Cleanup and return */ | |
6575 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6576 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6577 | /* Delete from client, remove all remote VTEPs */ | |
6578 | /* Also, free up all MACs and neighbors. */ | |
6579 | zvni_send_del_to_client(zvni->vni); | |
6580 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6581 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6582 | zvni_vtep_del_all(zvni, 1); | |
6583 | return 0; | |
6584 | } | |
d62a17ae | 6585 | |
b7cfce93 MK |
6586 | /* Handle other changes. */ |
6587 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6588 | /* Remove all existing local neigh and MACs for this VNI | |
6589 | * (including from BGP) | |
6590 | */ | |
6591 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6592 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6593 | } | |
d62a17ae | 6594 | |
b7cfce93 MK |
6595 | zvni->local_vtep_ip = vxl->vtep_ip; |
6596 | zvni->vxlan_if = ifp; | |
d62a17ae | 6597 | |
b7cfce93 MK |
6598 | /* Take further actions needed. |
6599 | * Note that if we are here, there is a change of interest. | |
6600 | */ | |
6601 | /* If down or not mapped to a bridge, we're done. */ | |
6602 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6603 | return 0; | |
d62a17ae | 6604 | |
b7cfce93 MK |
6605 | /* Inform BGP, if there is a change of interest. */ |
6606 | if (chgflags | |
6607 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6608 | zvni_send_add_to_client(zvni); | |
6609 | ||
6610 | /* If there is a valid new master or a VLAN mapping change, | |
6611 | * read and populate local MACs and neighbors. | |
6612 | * Also, reinstall any remote MACs and neighbors | |
6613 | * for this VNI (based on new VLAN). | |
6614 | */ | |
6615 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6616 | zvni_read_mac_neigh(zvni, ifp); | |
6617 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6618 | struct mac_walk_ctx m_wctx; | |
6619 | struct neigh_walk_ctx n_wctx; | |
6620 | ||
6621 | zvni_read_mac_neigh(zvni, ifp); | |
6622 | ||
6623 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6624 | m_wctx.zvni = zvni; | |
996c9314 | 6625 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6626 | &m_wctx); |
6627 | ||
6628 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6629 | n_wctx.zvni = zvni; | |
6630 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6631 | &n_wctx); | |
6632 | } | |
d62a17ae | 6633 | } |
6634 | ||
6635 | return 0; | |
13d60d35 | 6636 | } |
6637 | ||
6638 | /* | |
6639 | * Handle VxLAN interface add. | |
6640 | */ | |
d62a17ae | 6641 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6642 | { |
d62a17ae | 6643 | vni_t vni; |
b7cfce93 MK |
6644 | struct zebra_if *zif = NULL; |
6645 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6646 | zebra_vni_t *zvni = NULL; |
6647 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6648 | |
2853fed6 | 6649 | /* Check if EVPN is enabled. */ |
6650 | if (!is_evpn_enabled()) | |
d62a17ae | 6651 | return 0; |
13d60d35 | 6652 | |
d62a17ae | 6653 | zif = ifp->info; |
6654 | assert(zif); | |
6655 | vxl = &zif->l2info.vxl; | |
6656 | vni = vxl->vni; | |
13d60d35 | 6657 | |
643215ce | 6658 | zl3vni = zl3vni_lookup(vni); |
6659 | if (zl3vni) { | |
13d60d35 | 6660 | |
b7cfce93 | 6661 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6662 | if (IS_ZEBRA_DEBUG_VXLAN) |
6663 | zlog_debug( | |
6664 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6665 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6666 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6667 | zif->brslave_info.bridge_ifindex); |
6668 | ||
b7cfce93 | 6669 | /* associate with vxlan_if */ |
b67a60d2 | 6670 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6671 | zl3vni->vxlan_if = ifp; |
6672 | ||
6673 | /* Associate with SVI, if any. We can associate with svi-if only | |
6674 | * after association with vxlan_if is complete */ | |
6675 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6676 | ||
6677 | if (is_l3vni_oper_up(zl3vni)) | |
6678 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6679 | } else { | |
6680 | ||
6681 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6682 | struct interface *vlan_if = NULL; |
6683 | ||
6684 | /* Create or update VNI hash. */ | |
6685 | zvni = zvni_lookup(vni); | |
6686 | if (!zvni) { | |
6687 | zvni = zvni_add(vni); | |
6688 | if (!zvni) { | |
af4c2728 | 6689 | flog_err( |
e914ccbe | 6690 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
6691 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6692 | ifp->name, ifp->ifindex, vni); | |
6693 | return -1; | |
6694 | } | |
6695 | } | |
6696 | ||
6697 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6698 | zvni->vxlan_if = ifp; | |
6699 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6700 | zif->brslave_info.br_if); | |
6701 | if (vlan_if) { | |
6702 | zvni->vrf_id = vlan_if->vrf_id; | |
6703 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6704 | if (zl3vni) | |
6705 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6706 | } | |
6707 | ||
6708 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6709 | zlog_debug( | |
6710 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6711 | vni, | |
996c9314 LB |
6712 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6713 | : "Default", | |
6714 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6715 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6716 | zif->brslave_info.bridge_ifindex); |
6717 | ||
6718 | /* If down or not mapped to a bridge, we're done. */ | |
6719 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6720 | return 0; | |
6721 | ||
6722 | /* Inform BGP */ | |
6723 | zvni_send_add_to_client(zvni); | |
6724 | ||
6725 | /* Read and populate local MACs and neighbors */ | |
6726 | zvni_read_mac_neigh(zvni, ifp); | |
6727 | } | |
6728 | ||
6729 | return 0; | |
6730 | } | |
6731 | ||
996c9314 LB |
6732 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6733 | char *err, int err_str_sz, int filter, | |
6734 | int add) | |
b7cfce93 MK |
6735 | { |
6736 | zebra_l3vni_t *zl3vni = NULL; | |
6737 | struct zebra_vrf *zvrf_default = NULL; | |
6738 | ||
6739 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6740 | if (!zvrf_default) | |
6741 | return -1; | |
6742 | ||
6743 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6744 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6745 | add ? "ADD" : "DEL"); |
6746 | ||
6747 | if (add) { | |
6748 | ||
6749 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6750 | ||
6751 | /* check if the vni is already present under zvrf */ | |
6752 | if (zvrf->l3vni) { | |
3f02fbab | 6753 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6754 | "VNI is already configured under the vrf"); |
6755 | return -1; | |
6756 | } | |
6757 | ||
6758 | /* check if this VNI is already present in the system */ | |
6759 | zl3vni = zl3vni_lookup(vni); | |
6760 | if (zl3vni) { | |
3f02fbab | 6761 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6762 | "VNI is already configured as L3-VNI"); |
6763 | return -1; | |
6764 | } | |
6765 | ||
6766 | /* add the L3-VNI to the global table */ | |
6767 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6768 | if (!zl3vni) { | |
996c9314 | 6769 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6770 | return -1; |
6771 | } | |
6772 | ||
6773 | /* associate the vrf with vni */ | |
6774 | zvrf->l3vni = vni; | |
6775 | ||
c48d9f5f MK |
6776 | /* set the filter in l3vni to denote if we are using l3vni only |
6777 | * for prefix routes | |
6778 | */ | |
6779 | if (filter) | |
6780 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6781 | ||
b7cfce93 | 6782 | /* associate with vxlan-intf; |
523cafc4 | 6783 | * we need to associate with the vxlan-intf first |
6784 | */ | |
b7cfce93 MK |
6785 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6786 | ||
6787 | /* associate with corresponding SVI interface, we can associate | |
6788 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6789 | * complete |
6790 | */ | |
b7cfce93 MK |
6791 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6792 | ||
6793 | /* formulate l2vni list */ | |
996c9314 LB |
6794 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6795 | zl3vni); | |
b7cfce93 MK |
6796 | |
6797 | if (is_l3vni_oper_up(zl3vni)) | |
6798 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6799 | ||
6800 | } else { | |
6801 | zl3vni = zl3vni_lookup(vni); | |
6802 | if (!zl3vni) { | |
3f02fbab | 6803 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6804 | return -1; |
6805 | } | |
b7cfce93 | 6806 | |
cf299714 MK |
6807 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6808 | snprintf(err, ERR_STR_SZ, | |
6809 | "prefix-routes-only is not set for the vni"); | |
6810 | return -1; | |
6811 | } | |
6812 | ||
b7cfce93 MK |
6813 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6814 | ||
5e06422c | 6815 | /* delete and uninstall all rmacs */ |
996c9314 | 6816 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6817 | zl3vni); |
6818 | ||
6819 | /* delete and uninstall all next-hops */ | |
996c9314 | 6820 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6821 | zl3vni); |
6822 | ||
b7cfce93 MK |
6823 | zvrf->l3vni = 0; |
6824 | zl3vni_del(zl3vni); | |
6825 | ||
6826 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6827 | } |
b7cfce93 MK |
6828 | return 0; |
6829 | } | |
13d60d35 | 6830 | |
84915b0a | 6831 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6832 | { | |
6833 | zebra_l3vni_t *zl3vni = NULL; | |
6834 | ||
6835 | if (zvrf->l3vni) | |
6836 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6837 | if (!zl3vni) | |
6838 | return 0; | |
6839 | ||
6840 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6841 | if (is_l3vni_oper_up(zl3vni)) | |
6842 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6843 | return 0; | |
6844 | } | |
6845 | ||
6846 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6847 | { |
6848 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6849 | |
84915b0a | 6850 | if (zvrf->l3vni) |
6851 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6852 | if (!zl3vni) |
d62a17ae | 6853 | return 0; |
13d60d35 | 6854 | |
84915b0a | 6855 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6856 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6857 | return 0; |
6858 | } | |
6859 | ||
6860 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6861 | { | |
6862 | zebra_l3vni_t *zl3vni = NULL; | |
6863 | vni_t vni; | |
6864 | ||
6865 | if (zvrf->l3vni) | |
6866 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6867 | if (!zl3vni) | |
6868 | return 0; | |
6869 | ||
6870 | vni = zl3vni->vni; | |
b7cfce93 | 6871 | zl3vni_del(zl3vni); |
84915b0a | 6872 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6873 | |
d62a17ae | 6874 | return 0; |
13d60d35 | 6875 | } |
6876 | ||
31310b25 MK |
6877 | /* |
6878 | * Handle message from client to enable/disable advertisement of g/w macip | |
6879 | * routes | |
6880 | */ | |
89f4e507 | 6881 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6882 | { |
6883 | struct stream *s; | |
6884 | int advertise; | |
6885 | vni_t vni = 0; | |
6886 | zebra_vni_t *zvni = NULL; | |
6887 | struct interface *ifp = NULL; | |
6888 | struct zebra_if *zif = NULL; | |
6889 | struct zebra_l2info_vxlan zl2_info; | |
6890 | struct interface *vlan_if = NULL; | |
6891 | ||
6892 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
6893 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6894 | zvrf_id(zvrf)); | |
8068a649 | 6895 | return; |
31310b25 MK |
6896 | } |
6897 | ||
1002497a | 6898 | s = msg; |
2017b3ea | 6899 | STREAM_GETC(s, advertise); |
31310b25 MK |
6900 | vni = stream_get3(s); |
6901 | ||
6902 | zvni = zvni_lookup(vni); | |
6903 | if (!zvni) | |
8068a649 | 6904 | return; |
31310b25 MK |
6905 | |
6906 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6907 | return; |
31310b25 MK |
6908 | |
6909 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6910 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6911 | advertise ? "enabled" : "disabled", vni, | |
6912 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6913 | |
6914 | ||
6915 | zvni->advertise_subnet = advertise; | |
6916 | ||
6917 | ifp = zvni->vxlan_if; | |
6918 | if (!ifp) | |
8068a649 | 6919 | return; |
31310b25 MK |
6920 | |
6921 | zif = ifp->info; | |
6922 | ||
6923 | /* If down or not mapped to a bridge, we're done. */ | |
6924 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6925 | return; |
31310b25 MK |
6926 | |
6927 | zl2_info = zif->l2info.vxl; | |
6928 | ||
996c9314 LB |
6929 | vlan_if = |
6930 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6931 | if (!vlan_if) |
8068a649 | 6932 | return; |
31310b25 MK |
6933 | |
6934 | if (zvni->advertise_subnet) | |
6935 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6936 | else | |
6937 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6938 | |
6939 | stream_failure: | |
6940 | return; | |
31310b25 MK |
6941 | } |
6942 | ||
1a98c087 MK |
6943 | /* |
6944 | * Handle message from client to enable/disable advertisement of g/w macip | |
6945 | * routes | |
6946 | */ | |
89f4e507 | 6947 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6948 | { |
6949 | struct stream *s; | |
6950 | int advertise; | |
6951 | vni_t vni = 0; | |
6952 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6953 | struct interface *ifp = NULL; |
1a98c087 | 6954 | |
2853fed6 | 6955 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6956 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6957 | zvrf_id(zvrf)); | |
8068a649 | 6958 | return; |
2853fed6 | 6959 | } |
6960 | ||
1002497a | 6961 | s = msg; |
ec93aa12 | 6962 | STREAM_GETC(s, advertise); |
cc6d5476 | 6963 | STREAM_GETL(s, vni); |
1a98c087 MK |
6964 | |
6965 | if (!vni) { | |
6966 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6967 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6968 | advertise ? "enabled" : "disabled", |
2853fed6 | 6969 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6970 | ? "enabled" |
6971 | : "disabled"); | |
6972 | ||
6973 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6974 | return; |
1a98c087 MK |
6975 | |
6976 | zvrf->advertise_gw_macip = advertise; | |
6977 | ||
2853fed6 | 6978 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 6979 | hash_iterate(zvrf->vni_table, |
2853fed6 | 6980 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
6981 | else |
6982 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 6983 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
6984 | |
6985 | } else { | |
6986 | struct zebra_if *zif = NULL; | |
6987 | struct zebra_l2info_vxlan zl2_info; | |
6988 | struct interface *vlan_if = NULL; | |
6989 | struct interface *vrr_if = NULL; | |
6990 | ||
01a6143b MK |
6991 | zvni = zvni_lookup(vni); |
6992 | if (!zvni) | |
124ead27 | 6993 | return; |
01a6143b | 6994 | |
1a98c087 MK |
6995 | if (IS_ZEBRA_DEBUG_VXLAN) |
6996 | zlog_debug( | |
2853fed6 | 6997 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 6998 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
6999 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7000 | : "disabled"); | |
1a98c087 | 7001 | |
1a98c087 | 7002 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7003 | return; |
1a98c087 MK |
7004 | |
7005 | zvni->advertise_gw_macip = advertise; | |
7006 | ||
b5ebdc9b | 7007 | ifp = zvni->vxlan_if; |
7008 | if (!ifp) | |
8068a649 | 7009 | return; |
b5ebdc9b | 7010 | |
7011 | zif = ifp->info; | |
7012 | ||
7013 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7014 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7015 | return; |
b5ebdc9b | 7016 | |
1a98c087 MK |
7017 | zl2_info = zif->l2info.vxl; |
7018 | ||
2853fed6 | 7019 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7020 | zif->brslave_info.br_if); |
7021 | if (!vlan_if) | |
8068a649 | 7022 | return; |
1a98c087 | 7023 | |
2853fed6 | 7024 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7025 | /* Add primary SVI MAC-IP */ |
7026 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7027 | ||
7028 | /* Add VRR MAC-IP - if any*/ | |
7029 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7030 | if (vrr_if) | |
7031 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7032 | } else { | |
7033 | /* Del primary MAC-IP */ | |
7034 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7035 | ||
7036 | /* Del VRR MAC-IP - if any*/ | |
7037 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7038 | if (vrr_if) | |
7039 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7040 | } | |
7041 | } | |
7042 | ||
ec93aa12 | 7043 | stream_failure: |
8068a649 | 7044 | return; |
1a98c087 MK |
7045 | } |
7046 | ||
7047 | ||
13d60d35 | 7048 | /* |
7049 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7050 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7051 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7052 | * uninstalled from the kernel. | |
7053 | */ | |
89f4e507 | 7054 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7055 | { |
655b04d1 MK |
7056 | struct stream *s = NULL; |
7057 | int advertise = 0; | |
7058 | struct zebra_ns *zns = NULL; | |
13d60d35 | 7059 | |
2853fed6 | 7060 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7061 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7062 | zvrf_id(zvrf)); | |
8068a649 | 7063 | return; |
2853fed6 | 7064 | } |
7065 | ||
1002497a | 7066 | s = msg; |
ec93aa12 | 7067 | STREAM_GETC(s, advertise); |
13d60d35 | 7068 | |
d62a17ae | 7069 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7070 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 7071 | advertise ? "enabled" : "disabled", |
2853fed6 | 7072 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 7073 | |
d62a17ae | 7074 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7075 | return; |
13d60d35 | 7076 | |
d62a17ae | 7077 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7078 | if (is_evpn_enabled()) { |
d62a17ae | 7079 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7080 | zvni_build_hash_table(); |
2232a77c | 7081 | |
1a98c087 MK |
7082 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7083 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7084 | NULL); |
1a98c087 | 7085 | |
d62a17ae | 7086 | /* Read the MAC FDB */ |
7087 | macfdb_read(zvrf->zns); | |
2232a77c | 7088 | |
d62a17ae | 7089 | /* Read neighbors */ |
7090 | neigh_read(zvrf->zns); | |
7091 | } else { | |
7092 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7093 | * kernel and free entries. | |
7094 | */ | |
7095 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7096 | |
7097 | /* cleanup all l3vnis */ | |
7098 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7099 | if (!zns) | |
8068a649 | 7100 | return; |
655b04d1 MK |
7101 | |
7102 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 7103 | } |
13d60d35 | 7104 | |
ec93aa12 | 7105 | stream_failure: |
8068a649 | 7106 | return; |
13d60d35 | 7107 | } |
7108 | ||
7109 | /* | |
7110 | * Allocate VNI hash table for this VRF and do other initialization. | |
7111 | * NOTE: Currently supported only for default VRF. | |
7112 | */ | |
d62a17ae | 7113 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7114 | { |
d62a17ae | 7115 | if (!zvrf) |
7116 | return; | |
7117 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7118 | "Zebra VRF VNI Table"); | |
13d60d35 | 7119 | } |
7120 | ||
84915b0a | 7121 | /* Cleanup VNI info, but don't free the table. */ |
7122 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7123 | { | |
7124 | if (!zvrf) | |
7125 | return; | |
7126 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7127 | } | |
7128 | ||
13d60d35 | 7129 | /* Close all VNI handling */ |
d62a17ae | 7130 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7131 | { |
2853fed6 | 7132 | if (!zvrf) |
7133 | return; | |
d62a17ae | 7134 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7135 | hash_free(zvrf->vni_table); |
13d60d35 | 7136 | } |
b7cfce93 MK |
7137 | |
7138 | /* init the l3vni table */ | |
7139 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7140 | { | |
7141 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
7142 | "Zebra VRF L3 VNI table"); | |
7143 | } | |
7144 | ||
7145 | /* free l3vni table */ | |
7146 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7147 | { | |
7148 | hash_free(zns->l3vni_table); | |
7149 | } | |
d3135ba3 | 7150 | |
7151 | /* get the l3vni svi ifindex */ | |
7152 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7153 | { | |
7154 | zebra_l3vni_t *zl3vni = NULL; | |
7155 | ||
7156 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7157 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7158 | return 0; | |
7159 | ||
7160 | return zl3vni->svi_if->ifindex; | |
7161 | } |