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