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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); | |
d63c1b18 | 156 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
d62a17ae | 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); |
fe697c6b | 183 | static int remote_neigh_count(zebra_mac_t *zmac); |
184 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
13d60d35 | 185 | |
186 | /* Private functions */ | |
5e1b0650 | 187 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 188 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
189 | { |
190 | if (hle1->p.family < hle2->p.family) | |
191 | return -1; | |
192 | ||
193 | if (hle1->p.family > hle2->p.family) | |
194 | return 1; | |
195 | ||
196 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
197 | return -1; | |
198 | ||
199 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
200 | return 1; | |
201 | ||
202 | if (hle1->p.family == AF_INET) { | |
203 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
204 | return -1; | |
205 | ||
206 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
207 | return 1; | |
208 | ||
209 | return 0; | |
2acc2310 DS |
210 | } else if (hle1->p.family == AF_INET6) { |
211 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
212 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 213 | } else { |
9df414fe QY |
214 | zlog_debug("%s: Unexpected family type: %d", |
215 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
216 | return 0; |
217 | } | |
218 | } | |
85442b09 | 219 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 220 | |
85442b09 | 221 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
222 | { |
223 | struct host_rb_entry *hle; | |
224 | uint32_t count = 0; | |
225 | ||
85442b09 | 226 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
227 | count++; |
228 | ||
229 | return count; | |
230 | } | |
13d60d35 | 231 | |
790f8dc5 | 232 | /* |
233 | * Return number of valid MACs in a VNI's MAC hash table - all | |
234 | * remote MACs and non-internal (auto) local MACs count. | |
235 | */ | |
d7c0a89a | 236 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 237 | { |
238 | unsigned int i; | |
d7c0a89a | 239 | uint32_t num_macs = 0; |
790f8dc5 | 240 | struct hash *hash; |
241 | struct hash_backet *hb; | |
242 | zebra_mac_t *mac; | |
243 | ||
244 | hash = zvni->mac_table; | |
245 | if (!hash) | |
246 | return num_macs; | |
247 | for (i = 0; i < hash->size; i++) { | |
248 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
249 | mac = (zebra_mac_t *)hb->data; | |
250 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 251 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 252 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
253 | num_macs++; | |
254 | } | |
255 | } | |
256 | ||
257 | return num_macs; | |
258 | } | |
259 | ||
2853fed6 | 260 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 261 | { |
2853fed6 | 262 | struct zebra_vrf *zvrf; |
263 | ||
264 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
265 | if (zvrf && zvrf->advertise_gw_macip) |
266 | return 1; | |
267 | ||
268 | if (zvni && zvni->advertise_gw_macip) | |
269 | return 1; | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
cec2e17d | 274 | /* |
275 | * Helper function to determine maximum width of neighbor IP address for | |
276 | * display - just because we're dealing with IPv6 addresses that can | |
277 | * widely vary. | |
278 | */ | |
d62a17ae | 279 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 280 | { |
d62a17ae | 281 | zebra_neigh_t *n; |
282 | char buf[INET6_ADDRSTRLEN]; | |
283 | struct neigh_walk_ctx *wctx = ctxt; | |
284 | int width; | |
cec2e17d | 285 | |
d62a17ae | 286 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 287 | |
1445b43c A |
288 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
289 | width = strlen(buf); | |
d62a17ae | 290 | if (width > wctx->addr_width) |
291 | wctx->addr_width = width; | |
68e33151 | 292 | |
cec2e17d | 293 | } |
294 | ||
295 | /* | |
296 | * Print a specific neighbor entry. | |
297 | */ | |
cd233079 | 298 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 299 | { |
d62a17ae | 300 | struct vty *vty; |
301 | char buf1[ETHER_ADDR_STRLEN]; | |
302 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 303 | const char *type_str; |
304 | const char *state_str; | |
305 | bool flags_present = false; | |
cec2e17d | 306 | |
cd233079 CS |
307 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
308 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 309 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
310 | "local" : "remote"; | |
311 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
312 | vty = (struct vty *)ctxt; |
313 | if (json == NULL) { | |
314 | vty_out(vty, "IP: %s\n", | |
315 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 316 | vty_out(vty, " Type: %s\n", type_str); |
317 | vty_out(vty, " State: %s\n", state_str); | |
318 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
319 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
320 | } else { | |
321 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 322 | json_object_string_add(json, "type", type_str); |
323 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
324 | json_object_string_add(json, "mac", buf1); |
325 | } | |
326 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 327 | if (json == NULL) { |
1a8c5c38 | 328 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 329 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 330 | } else |
cd233079 CS |
331 | json_object_string_add(json, "remoteVtep", |
332 | inet_ntoa(n->r_vtep_ip)); | |
333 | } | |
ead40654 | 334 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 335 | if (!json) { |
336 | vty_out(vty, " Flags: Default-gateway"); | |
337 | flags_present = true; | |
338 | } else | |
ead40654 MK |
339 | json_object_boolean_true_add(json, "defaultGateway"); |
340 | } | |
68e33151 | 341 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 342 | if (!json) { |
343 | vty_out(vty, | |
344 | flags_present ? " ,Router" : " Flags: Router"); | |
345 | flags_present = true; | |
346 | } | |
68e33151 | 347 | } |
f07e1c99 | 348 | if (json == NULL) { |
1a8c5c38 | 349 | if (flags_present) |
350 | vty_out(vty, "\n"); | |
351 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 352 | n->loc_seq, n->rem_seq); |
1a8c5c38 | 353 | } else { |
354 | json_object_int_add(json, "localSequence", n->loc_seq); | |
355 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
68e33151 | 356 | } |
cec2e17d | 357 | } |
358 | ||
359 | /* | |
360 | * Print neighbor hash entry - called for display of all neighbors. | |
361 | */ | |
d62a17ae | 362 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
363 | { | |
364 | struct vty *vty; | |
cd233079 | 365 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 366 | zebra_neigh_t *n; |
367 | char buf1[ETHER_ADDR_STRLEN]; | |
368 | char buf2[INET6_ADDRSTRLEN]; | |
369 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 370 | const char *state_str; |
d62a17ae | 371 | |
372 | vty = wctx->vty; | |
cd233079 | 373 | json_vni = wctx->json; |
d62a17ae | 374 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 375 | |
cd233079 CS |
376 | if (json_vni) |
377 | json_row = json_object_new_object(); | |
378 | ||
d62a17ae | 379 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
380 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 381 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
382 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
383 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
384 | return; | |
385 | ||
cd233079 | 386 | if (json_vni == NULL) { |
1a8c5c38 | 387 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
388 | -wctx->addr_width, buf2, "local", | |
389 | state_str, buf1); | |
cd233079 CS |
390 | } else { |
391 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 392 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 393 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 394 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
395 | json_object_boolean_true_add( | |
396 | json_row, "defaultGateway"); | |
397 | json_object_int_add(json_row, "localSequence", | |
398 | n->loc_seq); | |
399 | json_object_int_add(json_row, "remoteSequence", | |
400 | n->rem_seq); | |
cd233079 | 401 | } |
d62a17ae | 402 | wctx->count++; |
1a8c5c38 | 403 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
404 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
405 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
406 | return; | |
407 | ||
408 | if (json_vni == NULL) { | |
409 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
410 | (wctx->count == 0)) | |
411 | vty_out(vty, | |
412 | "%*s %-6s %-8s %-17s %-21s\n", | |
413 | -wctx->addr_width, "Neighbor", "Type", | |
414 | "State", "MAC", "Remote VTEP"); | |
415 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
416 | -wctx->addr_width, buf2, "remote", state_str, | |
417 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 418 | } else { |
1a8c5c38 | 419 | json_object_string_add(json_row, "type", "remote"); |
420 | json_object_string_add(json_row, "state", state_str); | |
421 | json_object_string_add(json_row, "mac", buf1); | |
422 | json_object_string_add(json_row, "remoteVtep", | |
423 | inet_ntoa(n->r_vtep_ip)); | |
424 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
425 | json_object_boolean_true_add(json_row, | |
426 | "defaultGateway"); | |
427 | json_object_int_add(json_row, "localSequence", | |
428 | n->loc_seq); | |
429 | json_object_int_add(json_row, "remoteSequence", | |
430 | n->rem_seq); | |
d62a17ae | 431 | } |
1a8c5c38 | 432 | wctx->count++; |
d62a17ae | 433 | } |
cd233079 CS |
434 | |
435 | if (json_vni) | |
436 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 437 | } |
438 | ||
439 | /* | |
440 | * Print neighbors for all VNI. | |
441 | */ | |
d62a17ae | 442 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 443 | void **args) |
cec2e17d | 444 | { |
d62a17ae | 445 | struct vty *vty; |
cd233079 | 446 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 447 | zebra_vni_t *zvni; |
d7c0a89a | 448 | uint32_t num_neigh; |
d62a17ae | 449 | struct neigh_walk_ctx wctx; |
cd233079 CS |
450 | char vni_str[VNI_STR_LEN]; |
451 | ||
452 | vty = (struct vty *)args[0]; | |
453 | json = (json_object *)args[1]; | |
cec2e17d | 454 | |
d62a17ae | 455 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 456 | |
d62a17ae | 457 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 458 | if (json == NULL) { |
cd233079 CS |
459 | vty_out(vty, |
460 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
461 | zvni->vni, num_neigh); | |
68e33151 | 462 | } else { |
cd233079 CS |
463 | json_vni = json_object_new_object(); |
464 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
465 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
466 | } | |
467 | if (!num_neigh) { | |
468 | if (json) | |
469 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 470 | return; |
cd233079 | 471 | } |
cec2e17d | 472 | |
d62a17ae | 473 | /* Since we have IPv6 addresses to deal with which can vary widely in |
474 | * size, we try to be a bit more elegant in display by first computing | |
475 | * the maximum width. | |
476 | */ | |
477 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
478 | wctx.zvni = zvni; | |
479 | wctx.vty = vty; | |
480 | wctx.addr_width = 15; | |
cd233079 | 481 | wctx.json = json_vni; |
d62a17ae | 482 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 483 | |
68e33151 | 484 | if (json == NULL) { |
1a8c5c38 | 485 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
486 | -wctx.addr_width, "IP", "Type", | |
487 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 488 | } |
d62a17ae | 489 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
490 | |
491 | if (json) | |
492 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 493 | } |
494 | ||
9aa741ea | 495 | /* print a specific next hop for an l3vni */ |
996c9314 | 496 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 497 | json_object *json) |
9aa741ea MK |
498 | { |
499 | char buf1[ETHER_ADDR_STRLEN]; | |
500 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 501 | json_object *json_hosts = NULL; |
f2a503f0 | 502 | struct host_rb_entry *hle; |
9aa741ea | 503 | |
c0e519d3 MK |
504 | if (!json) { |
505 | vty_out(vty, "Ip: %s\n", | |
506 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
507 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 508 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
509 | vty_out(vty, " Refcount: %d\n", |
510 | rb_host_count(&n->host_rb)); | |
4cce389e | 511 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 512 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 513 | vty_out(vty, " %s\n", |
f2a503f0 | 514 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
515 | } else { |
516 | json_hosts = json_object_new_array(); | |
996c9314 LB |
517 | json_object_string_add( |
518 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
519 | json_object_string_add( | |
520 | json, "routerMac", | |
521 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
522 | json_object_int_add(json, "refCount", |
523 | rb_host_count(&n->host_rb)); | |
85442b09 | 524 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 525 | json_object_array_add(json_hosts, |
996c9314 | 526 | json_object_new_string(prefix2str( |
f2a503f0 | 527 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 528 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 529 | } |
9aa741ea MK |
530 | } |
531 | ||
532 | /* Print a specific RMAC entry */ | |
996c9314 | 533 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 534 | json_object *json) |
9aa741ea MK |
535 | { |
536 | char buf1[ETHER_ADDR_STRLEN]; | |
537 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 538 | json_object *json_hosts = NULL; |
5e1b0650 | 539 | struct host_rb_entry *hle; |
9aa741ea | 540 | |
316f4ca4 MK |
541 | if (!json) { |
542 | vty_out(vty, "MAC: %s\n", | |
543 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
544 | vty_out(vty, " Remote VTEP: %s\n", | |
545 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 546 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 547 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 548 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 549 | vty_out(vty, " %s\n", |
5e1b0650 | 550 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
551 | } else { |
552 | json_hosts = json_object_new_array(); | |
996c9314 LB |
553 | json_object_string_add( |
554 | json, "routerMac", | |
555 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 556 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 557 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
558 | json_object_int_add(json, "refCount", |
559 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 560 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
561 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 562 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
563 | json_object_array_add( |
564 | json_hosts, | |
565 | json_object_new_string(prefix2str( | |
566 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 567 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 568 | } |
9aa741ea MK |
569 | } |
570 | ||
cec2e17d | 571 | /* |
572 | * Print a specific MAC entry. | |
573 | */ | |
d62a17ae | 574 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
575 | { | |
576 | struct vty *vty; | |
b6938a74 MK |
577 | zebra_neigh_t *n = NULL; |
578 | struct listnode *node = NULL; | |
d62a17ae | 579 | char buf1[20]; |
b6938a74 | 580 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 581 | |
582 | vty = (struct vty *)ctxt; | |
583 | vty_out(vty, "MAC: %s", | |
584 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
585 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
586 | struct zebra_ns *zns; | |
587 | struct interface *ifp; | |
588 | ifindex_t ifindex; | |
589 | ||
590 | ifindex = mac->fwd_info.local.ifindex; | |
591 | zns = zebra_ns_lookup(NS_DEFAULT); | |
592 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
593 | if (!ifp) // unexpected | |
594 | return; | |
595 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
596 | if (mac->fwd_info.local.vid) | |
597 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 598 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 599 | vty_out(vty, " Remote VTEP: %s", |
600 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
601 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
602 | vty_out(vty, " Auto Mac "); | |
603 | } | |
b6938a74 | 604 | |
ead40654 MK |
605 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
606 | vty_out(vty, " Sticky Mac "); | |
607 | ||
608 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
609 | vty_out(vty, " Default-gateway Mac "); | |
610 | ||
51f4dab4 AK |
611 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
612 | vty_out(vty, " Remote-gateway Mac "); | |
613 | ||
0a97666d | 614 | vty_out(vty, "\n"); |
f07e1c99 | 615 | vty_out(vty, " Local Seq: %u Remote Seq: %u", |
616 | mac->loc_seq, mac->rem_seq); | |
617 | vty_out(vty, "\n"); | |
618 | ||
b6938a74 MK |
619 | /* print all the associated neigh */ |
620 | vty_out(vty, " Neighbors:\n"); | |
621 | if (!listcount(mac->neigh_list)) | |
622 | vty_out(vty, " No Neighbors\n"); | |
623 | else { | |
624 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
625 | vty_out(vty, " %s %s\n", | |
626 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
f07e1c99 | 627 | (IS_ZEBRA_NEIGH_ACTIVE(n) |
628 | ? "Active" : "Inactive")); | |
b6938a74 | 629 | } |
d62a17ae | 630 | } |
b6938a74 | 631 | |
d62a17ae | 632 | vty_out(vty, "\n"); |
cec2e17d | 633 | } |
634 | ||
635 | /* | |
636 | * Print MAC hash entry - called for display of all MACs. | |
637 | */ | |
d62a17ae | 638 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
639 | { | |
640 | struct vty *vty; | |
cd233079 | 641 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 642 | zebra_mac_t *mac; |
643 | char buf1[20]; | |
644 | struct mac_walk_ctx *wctx = ctxt; | |
645 | ||
646 | vty = wctx->vty; | |
cd233079 | 647 | json_mac_hdr = wctx->json; |
d62a17ae | 648 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 649 | |
650 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
651 | |
652 | if (json_mac_hdr) | |
653 | json_mac = json_object_new_object(); | |
654 | ||
1a8c5c38 | 655 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 656 | struct zebra_ns *zns; |
657 | ifindex_t ifindex; | |
658 | struct interface *ifp; | |
659 | vlanid_t vid; | |
660 | ||
1a8c5c38 | 661 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
662 | return; | |
663 | ||
d62a17ae | 664 | zns = zebra_ns_lookup(NS_DEFAULT); |
665 | ifindex = mac->fwd_info.local.ifindex; | |
666 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
667 | if (!ifp) // unexpected | |
668 | return; | |
669 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
670 | if (json_mac_hdr == NULL) |
671 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
672 | ifp->name); | |
673 | else { | |
674 | json_object_string_add(json_mac, "type", "local"); | |
675 | json_object_string_add(json_mac, "intf", ifp->name); | |
676 | } | |
677 | if (vid) { | |
678 | if (json_mac_hdr == NULL) | |
679 | vty_out(vty, " %-5u", vid); | |
680 | else | |
681 | json_object_int_add(json_mac, "vlan", vid); | |
682 | } | |
1a8c5c38 | 683 | if (json_mac_hdr == NULL) { |
cd233079 | 684 | vty_out(vty, "\n"); |
1a8c5c38 | 685 | } else { |
686 | json_object_int_add(json_mac, "localSequence", | |
687 | mac->loc_seq); | |
688 | json_object_int_add(json_mac, "remoteSequence", | |
689 | mac->rem_seq); | |
cd233079 | 690 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 691 | } |
692 | ||
d62a17ae | 693 | wctx->count++; |
1a8c5c38 | 694 | |
b6938a74 | 695 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 696 | |
697 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
698 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
699 | &wctx->r_vtep_ip)) | |
700 | return; | |
701 | ||
702 | if (json_mac_hdr == NULL) { | |
703 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
704 | (wctx->count == 0)) { | |
705 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
706 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
707 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 708 | } |
1a8c5c38 | 709 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
710 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 711 | } else { |
1a8c5c38 | 712 | json_object_string_add(json_mac, "type", "remote"); |
713 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 714 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 715 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
716 | json_object_int_add(json_mac, "localSequence", | |
717 | mac->loc_seq); | |
718 | json_object_int_add(json_mac, "remoteSequence", | |
719 | mac->rem_seq); | |
d62a17ae | 720 | } |
1a8c5c38 | 721 | |
722 | wctx->count++; | |
d62a17ae | 723 | } |
cec2e17d | 724 | } |
725 | ||
726 | /* | |
727 | * Print MACs for all VNI. | |
728 | */ | |
d62a17ae | 729 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 730 | { |
d62a17ae | 731 | struct vty *vty; |
cd233079 CS |
732 | json_object *json = NULL, *json_vni = NULL; |
733 | json_object *json_mac = NULL; | |
d62a17ae | 734 | zebra_vni_t *zvni; |
d7c0a89a | 735 | uint32_t num_macs; |
d62a17ae | 736 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 737 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 738 | |
d62a17ae | 739 | vty = (struct vty *)wctx->vty; |
cd233079 | 740 | json = (struct json_object *)wctx->json; |
cec2e17d | 741 | |
d62a17ae | 742 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 743 | wctx->zvni = zvni; |
cec2e17d | 744 | |
d62a17ae | 745 | /*We are iterating over a new VNI, set the count to 0*/ |
746 | wctx->count = 0; | |
cec2e17d | 747 | |
790f8dc5 | 748 | num_macs = num_valid_macs(zvni); |
d62a17ae | 749 | if (!num_macs) |
750 | return; | |
cd233079 CS |
751 | |
752 | if (json) { | |
753 | json_vni = json_object_new_object(); | |
754 | json_mac = json_object_new_object(); | |
755 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 756 | } |
cec2e17d | 757 | |
cd233079 CS |
758 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
759 | if (json == NULL) { | |
760 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
761 | zvni->vni, num_macs); | |
762 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
763 | "Intf/Remote VTEP", "VLAN"); | |
764 | } else | |
765 | json_object_int_add(json_vni, "numMacs", num_macs); | |
766 | } | |
767 | /* assign per-vni to wctx->json object to fill macs | |
768 | * under the vni. Re-assign primary json object to fill | |
769 | * next vni information. | |
770 | */ | |
771 | wctx->json = json_mac; | |
d62a17ae | 772 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
773 | wctx->json = json; |
774 | if (json) { | |
775 | if (wctx->count) | |
776 | json_object_object_add(json_vni, "macs", json_mac); | |
777 | json_object_object_add(json, vni_str, json_vni); | |
778 | } | |
cec2e17d | 779 | } |
780 | ||
996c9314 | 781 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
782 | { |
783 | struct nh_walk_ctx *wctx = NULL; | |
784 | struct vty *vty = NULL; | |
32798965 | 785 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
786 | struct json_object *json_nh = NULL; |
787 | zebra_neigh_t *n = NULL; | |
788 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 789 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
790 | |
791 | wctx = (struct nh_walk_ctx *)ctx; | |
792 | vty = wctx->vty; | |
32798965 MK |
793 | json_vni = wctx->json; |
794 | if (json_vni) | |
b7cfce93 MK |
795 | json_nh = json_object_new_object(); |
796 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 797 | |
32798965 | 798 | if (!json_vni) { |
4cce389e | 799 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 800 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 801 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 802 | } else { |
4cce389e | 803 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 804 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
805 | json_object_string_add( |
806 | json_nh, "routerMac", | |
807 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
808 | json_object_object_add(json_vni, |
809 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
810 | json_nh); | |
b7cfce93 MK |
811 | } |
812 | } | |
813 | ||
2dbad57f | 814 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 815 | void **args) |
2dbad57f | 816 | { |
817 | struct vty *vty = NULL; | |
818 | json_object *json = NULL; | |
819 | json_object *json_vni = NULL; | |
2dbad57f | 820 | zebra_l3vni_t *zl3vni = NULL; |
821 | uint32_t num_nh = 0; | |
32798965 | 822 | struct nh_walk_ctx wctx; |
2dbad57f | 823 | char vni_str[VNI_STR_LEN]; |
824 | ||
32798965 MK |
825 | vty = (struct vty *)args[0]; |
826 | json = (struct json_object *)args[1]; | |
2dbad57f | 827 | |
828 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 829 | |
830 | num_nh = hashcount(zl3vni->nh_table); | |
831 | if (!num_nh) | |
832 | return; | |
833 | ||
834 | if (json) { | |
835 | json_vni = json_object_new_object(); | |
2dbad57f | 836 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
837 | } | |
838 | ||
839 | if (json == NULL) { | |
996c9314 | 840 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 841 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 842 | } else |
4cce389e | 843 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 844 | |
32798965 MK |
845 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
846 | wctx.vty = vty; | |
847 | wctx.json = json_vni; | |
848 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
849 | if (json) | |
2dbad57f | 850 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 851 | } |
852 | ||
b7cfce93 | 853 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 854 | void **args) |
b7cfce93 MK |
855 | { |
856 | struct vty *vty = NULL; | |
857 | json_object *json = NULL; | |
858 | json_object *json_vni = NULL; | |
b7cfce93 | 859 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 860 | uint32_t num_rmacs; |
c0b4eaa4 | 861 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
862 | char vni_str[VNI_STR_LEN]; |
863 | ||
c0b4eaa4 MK |
864 | vty = (struct vty *)args[0]; |
865 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
866 | |
867 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
868 | |
869 | num_rmacs = hashcount(zl3vni->rmac_table); | |
870 | if (!num_rmacs) | |
871 | return; | |
872 | ||
873 | if (json) { | |
874 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
875 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
876 | } | |
877 | ||
878 | if (json == NULL) { | |
996c9314 | 879 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 880 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
881 | } else |
882 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
883 | ||
884 | /* assign per-vni to wctx->json object to fill macs | |
885 | * under the vni. Re-assign primary json object to fill | |
886 | * next vni information. | |
887 | */ | |
c0b4eaa4 MK |
888 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
889 | wctx.vty = vty; | |
890 | wctx.json = json_vni; | |
891 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
892 | if (json) | |
b7cfce93 | 893 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
894 | } |
895 | ||
996c9314 | 896 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
897 | { |
898 | zebra_mac_t *zrmac = NULL; | |
899 | struct rmac_walk_ctx *wctx = NULL; | |
900 | struct vty *vty = NULL; | |
901 | struct json_object *json = NULL; | |
902 | struct json_object *json_rmac = NULL; | |
903 | char buf[ETHER_ADDR_STRLEN]; | |
904 | ||
905 | wctx = (struct rmac_walk_ctx *)ctx; | |
906 | vty = wctx->vty; | |
907 | json = wctx->json; | |
908 | if (json) | |
909 | json_rmac = json_object_new_object(); | |
910 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
911 | |
912 | if (!json) { | |
4cce389e | 913 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 914 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 915 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 916 | } else { |
996c9314 LB |
917 | json_object_string_add( |
918 | json_rmac, "routerMac", | |
919 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 920 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 921 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
922 | json_object_object_add( |
923 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
924 | json_rmac); | |
b7cfce93 MK |
925 | } |
926 | } | |
927 | ||
928 | /* print a specific L3 VNI entry */ | |
929 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
930 | { | |
931 | char buf[ETHER_ADDR_STRLEN]; | |
932 | struct vty *vty = NULL; | |
933 | json_object *json = NULL; | |
934 | zebra_vni_t *zvni = NULL; | |
935 | json_object *json_vni_list = NULL; | |
936 | struct listnode *node = NULL, *nnode = NULL; | |
937 | ||
938 | vty = ctx[0]; | |
939 | json = ctx[1]; | |
940 | ||
941 | if (!json) { | |
942 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 943 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 944 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 945 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 946 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
947 | vty_out(vty, " Vxlan-Intf: %s\n", |
948 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
949 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
950 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 951 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
952 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
953 | ? "prefix-routes-only" | |
954 | : "none"); | |
4cce389e | 955 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 956 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 957 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
958 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
959 | vty_out(vty, "%u ", zvni->vni); | |
960 | vty_out(vty, "\n"); | |
961 | } else { | |
962 | json_vni_list = json_object_new_array(); | |
963 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
964 | json_object_string_add(json, "type", "L3"); |
965 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 966 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 967 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 968 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 969 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 970 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
971 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
972 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
973 | json_object_string_add( | |
974 | json, "routerMac", | |
975 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
976 | json_object_string_add( | |
977 | json, "vniFilter", | |
978 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
979 | ? "prefix-routes-only" | |
980 | : "none"); | |
b7cfce93 MK |
981 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
982 | json_object_array_add(json_vni_list, | |
983 | json_object_new_int(zvni->vni)); | |
984 | } | |
4cce389e | 985 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
986 | } |
987 | } | |
988 | ||
cec2e17d | 989 | /* |
990 | * Print a specific VNI entry. | |
991 | */ | |
cd233079 | 992 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 993 | { |
994 | struct vty *vty; | |
995 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
996 | uint32_t num_macs; |
997 | uint32_t num_neigh; | |
cd233079 CS |
998 | json_object *json = NULL; |
999 | json_object *json_vtep_list = NULL; | |
1000 | json_object *json_ip_str = NULL; | |
d62a17ae | 1001 | |
cd233079 CS |
1002 | vty = ctxt[0]; |
1003 | json = ctxt[1]; | |
1004 | ||
b7cfce93 | 1005 | if (json == NULL) { |
cd233079 | 1006 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1007 | vty_out(vty, " Type: %s\n", "L2"); |
1008 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1009 | } else { |
cd233079 | 1010 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1011 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1012 | json_object_string_add(json, "vrf", |
1013 | vrf_id_to_name(zvni->vrf_id)); | |
1014 | } | |
d62a17ae | 1015 | |
d62a17ae | 1016 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1017 | if (json == NULL) |
1018 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1019 | return; |
1020 | } | |
790f8dc5 | 1021 | num_macs = num_valid_macs(zvni); |
cd233079 | 1022 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1023 | if (json == NULL) { |
996c9314 | 1024 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1025 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1026 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1027 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1028 | } else { |
cd233079 CS |
1029 | json_object_string_add(json, "vxlanInterface", |
1030 | zvni->vxlan_if->name); | |
1031 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1032 | json_object_string_add(json, "vtepIp", | |
1033 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1034 | json_object_string_add(json, "advertiseGatewayMacip", |
1035 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1036 | json_object_int_add(json, "numMacs", num_macs); |
1037 | json_object_int_add(json, "numArpNd", num_neigh); | |
1038 | } | |
d62a17ae | 1039 | if (!zvni->vteps) { |
cd233079 CS |
1040 | if (json == NULL) |
1041 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1042 | } else { |
cd233079 CS |
1043 | if (json == NULL) |
1044 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1045 | else | |
1046 | json_vtep_list = json_object_new_array(); | |
1047 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1048 | if (json == NULL) | |
1049 | vty_out(vty, " %s\n", | |
1050 | inet_ntoa(zvtep->vtep_ip)); | |
1051 | else { | |
1052 | json_ip_str = json_object_new_string( | |
1053 | inet_ntoa(zvtep->vtep_ip)); | |
1054 | json_object_array_add(json_vtep_list, | |
1055 | json_ip_str); | |
1056 | } | |
1057 | } | |
1058 | if (json) | |
1059 | json_object_object_add(json, "numRemoteVteps", | |
1060 | json_vtep_list); | |
1061 | } | |
1062 | if (json == NULL) { | |
1063 | vty_out(vty, | |
1064 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1065 | num_macs); | |
1066 | vty_out(vty, | |
1067 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1068 | "known for this VNI: %u\n", | |
1069 | num_neigh); | |
ddd16ed5 MK |
1070 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1071 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1072 | } |
cec2e17d | 1073 | } |
1074 | ||
b7cfce93 | 1075 | /* print a L3 VNI hash entry */ |
996c9314 | 1076 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1077 | { |
b7cfce93 MK |
1078 | struct vty *vty = NULL; |
1079 | json_object *json = NULL; | |
51d8de8f | 1080 | json_object *json_vni = NULL; |
b7cfce93 MK |
1081 | zebra_l3vni_t *zl3vni = NULL; |
1082 | ||
51d8de8f MK |
1083 | vty = (struct vty *)ctx[0]; |
1084 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1085 | |
1086 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1087 | |
1088 | if (!json) { | |
996c9314 LB |
1089 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1090 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1091 | hashcount(zl3vni->rmac_table), |
996c9314 | 1092 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1093 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1094 | } else { |
51d8de8f MK |
1095 | char vni_str[VNI_STR_LEN]; |
1096 | ||
1097 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1098 | json_vni = json_object_new_object(); | |
1099 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1100 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1101 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1102 | json_object_int_add(json_vni, "numMacs", |
1103 | hashcount(zl3vni->rmac_table)); | |
1104 | json_object_int_add(json_vni, "numArpNd", | |
1105 | hashcount(zl3vni->nh_table)); | |
1106 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1107 | json_object_string_add(json_vni, "type", "L3"); | |
1108 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1109 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1110 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1111 | } |
b7cfce93 MK |
1112 | } |
1113 | ||
cec2e17d | 1114 | /* |
1115 | * Print a VNI hash entry - called for display of all VNIs. | |
1116 | */ | |
cd233079 | 1117 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1118 | { |
d62a17ae | 1119 | struct vty *vty; |
1120 | zebra_vni_t *zvni; | |
1121 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1122 | uint32_t num_vteps = 0; |
1123 | uint32_t num_macs = 0; | |
1124 | uint32_t num_neigh = 0; | |
cd233079 CS |
1125 | json_object *json = NULL; |
1126 | json_object *json_vni = NULL; | |
1127 | json_object *json_ip_str = NULL; | |
1128 | json_object *json_vtep_list = NULL; | |
1129 | ||
1130 | vty = ctxt[0]; | |
1131 | json = ctxt[1]; | |
cec2e17d | 1132 | |
d62a17ae | 1133 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1134 | |
d62a17ae | 1135 | zvtep = zvni->vteps; |
1136 | while (zvtep) { | |
1137 | num_vteps++; | |
1138 | zvtep = zvtep->next; | |
1139 | } | |
cec2e17d | 1140 | |
790f8dc5 | 1141 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1142 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1143 | if (json == NULL) |
996c9314 | 1144 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1145 | zvni->vni, "L2", |
cd233079 | 1146 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1147 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1148 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1149 | else { |
1150 | char vni_str[VNI_STR_LEN]; | |
1151 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1152 | json_vni = json_object_new_object(); | |
4cce389e MK |
1153 | json_object_int_add(json_vni, "vni", zvni->vni); |
1154 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1155 | json_object_string_add(json_vni, "vxlanIf", |
1156 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1157 | : "unknown"); | |
cd233079 CS |
1158 | json_object_int_add(json_vni, "numMacs", num_macs); |
1159 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1160 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1161 | json_object_string_add(json_vni, "tenantVrf", |
1162 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1163 | if (num_vteps) { |
1164 | json_vtep_list = json_object_new_array(); | |
1165 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1166 | json_ip_str = json_object_new_string( | |
1167 | inet_ntoa(zvtep->vtep_ip)); | |
1168 | json_object_array_add(json_vtep_list, | |
1169 | json_ip_str); | |
1170 | } | |
1171 | json_object_object_add(json_vni, "remoteVteps", | |
1172 | json_vtep_list); | |
1173 | } | |
1174 | json_object_object_add(json, vni_str, json_vni); | |
1175 | } | |
cec2e17d | 1176 | } |
1177 | ||
13d60d35 | 1178 | /* |
2232a77c | 1179 | * Inform BGP about local MACIP. |
1180 | */ | |
996c9314 | 1181 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1182 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1183 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1184 | { |
d62a17ae | 1185 | char buf[ETHER_ADDR_STRLEN]; |
1186 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1187 | int ipa_len; |
1188 | struct zserv *client = NULL; | |
1189 | struct stream *s = NULL; | |
d62a17ae | 1190 | |
21ccc0cf | 1191 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1192 | /* BGP may not be running. */ |
1193 | if (!client) | |
1194 | return 0; | |
1195 | ||
1002497a | 1196 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1197 | |
7cf15b25 | 1198 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1199 | stream_putl(s, vni); |
ff8b7eb8 | 1200 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1201 | if (ip) { |
1202 | ipa_len = 0; | |
1203 | if (IS_IPADDR_V4(ip)) | |
1204 | ipa_len = IPV4_MAX_BYTELEN; | |
1205 | else if (IS_IPADDR_V6(ip)) | |
1206 | ipa_len = IPV6_MAX_BYTELEN; | |
1207 | ||
1208 | stream_putl(s, ipa_len); /* IP address length */ | |
1209 | if (ipa_len) | |
1210 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1211 | } else | |
1212 | stream_putl(s, 0); /* Just MAC. */ | |
1213 | ||
f07e1c99 | 1214 | if (cmd == ZEBRA_MACIP_ADD) { |
1215 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1216 | stream_putl(s, seq); /* sequence number */ | |
1217 | } | |
d62a17ae | 1218 | |
b7cfce93 | 1219 | |
d62a17ae | 1220 | /* Write packet size. */ |
1221 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1222 | ||
1223 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1224 | zlog_debug( |
f07e1c99 | 1225 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1226 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1227 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1228 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1229 | zebra_route_string(client->proto)); |
d62a17ae | 1230 | |
1231 | if (cmd == ZEBRA_MACIP_ADD) | |
1232 | client->macipadd_cnt++; | |
1233 | else | |
1234 | client->macipdel_cnt++; | |
1235 | ||
21ccc0cf | 1236 | return zserv_send_message(client, s); |
2232a77c | 1237 | } |
1238 | ||
1239 | /* | |
1240 | * Make hash key for neighbors. | |
13d60d35 | 1241 | */ |
d62a17ae | 1242 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1243 | { |
d62a17ae | 1244 | zebra_neigh_t *n = p; |
1245 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1246 | |
d62a17ae | 1247 | if (IS_IPADDR_V4(ip)) |
1248 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1249 | |
d62a17ae | 1250 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1251 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1252 | } |
1253 | ||
1254 | /* | |
2232a77c | 1255 | * Compare two neighbor hash structures. |
13d60d35 | 1256 | */ |
d62a17ae | 1257 | static int neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1258 | { |
d62a17ae | 1259 | const zebra_neigh_t *n1 = p1; |
1260 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1261 | |
d62a17ae | 1262 | if (n1 == NULL && n2 == NULL) |
1263 | return 1; | |
2232a77c | 1264 | |
d62a17ae | 1265 | if (n1 == NULL || n2 == NULL) |
1266 | return 0; | |
2232a77c | 1267 | |
d62a17ae | 1268 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1269 | } |
1270 | ||
1271 | /* | |
2232a77c | 1272 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1273 | */ |
d62a17ae | 1274 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1275 | { |
d62a17ae | 1276 | const zebra_neigh_t *tmp_n = p; |
1277 | zebra_neigh_t *n; | |
13d60d35 | 1278 | |
d62a17ae | 1279 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1280 | *n = *tmp_n; | |
2232a77c | 1281 | |
d62a17ae | 1282 | return ((void *)n); |
13d60d35 | 1283 | } |
1284 | ||
1285 | /* | |
2232a77c | 1286 | * Add neighbor entry. |
13d60d35 | 1287 | */ |
b6938a74 MK |
1288 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1289 | struct ethaddr *mac) | |
13d60d35 | 1290 | { |
d62a17ae | 1291 | zebra_neigh_t tmp_n; |
1292 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1293 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1294 | |
d62a17ae | 1295 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1296 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1297 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1298 | assert(n); | |
13d60d35 | 1299 | |
b6938a74 MK |
1300 | memcpy(&n->emac, mac, ETH_ALEN); |
1301 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1302 | ||
1303 | /* Associate the neigh to mac */ | |
1304 | zmac = zvni_mac_lookup(zvni, mac); | |
1305 | if (zmac) | |
1306 | listnode_add_sort(zmac->neigh_list, n); | |
1307 | ||
d62a17ae | 1308 | return n; |
13d60d35 | 1309 | } |
1310 | ||
1311 | /* | |
2232a77c | 1312 | * Delete neighbor entry. |
13d60d35 | 1313 | */ |
d62a17ae | 1314 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1315 | { |
d62a17ae | 1316 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1317 | zebra_mac_t *zmac = NULL; |
1318 | ||
1319 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1320 | if (zmac) | |
1321 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1322 | |
d62a17ae | 1323 | /* Free the VNI hash entry and allocated memory. */ |
1324 | tmp_n = hash_release(zvni->neigh_table, n); | |
1325 | if (tmp_n) | |
1326 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1327 | |
d62a17ae | 1328 | return 0; |
13d60d35 | 1329 | } |
1330 | ||
1331 | /* | |
2232a77c | 1332 | * Free neighbor hash entry (callback) |
13d60d35 | 1333 | */ |
b1599bb6 | 1334 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1335 | { |
d62a17ae | 1336 | struct neigh_walk_ctx *wctx = arg; |
1337 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1338 | |
d62a17ae | 1339 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1340 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1341 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1342 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1343 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1344 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1345 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1346 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1347 | &n->emac, 0); |
13d60d35 | 1348 | |
d62a17ae | 1349 | if (wctx->uninstall) |
1350 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1351 | |
b1599bb6 | 1352 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1353 | } |
13d60d35 | 1354 | |
b1599bb6 | 1355 | return; |
13d60d35 | 1356 | } |
1357 | ||
1358 | /* | |
2232a77c | 1359 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1360 | */ |
d62a17ae | 1361 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1362 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1363 | { |
d62a17ae | 1364 | struct neigh_walk_ctx wctx; |
13d60d35 | 1365 | |
d62a17ae | 1366 | if (!zvni->neigh_table) |
1367 | return; | |
13d60d35 | 1368 | |
d62a17ae | 1369 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1370 | wctx.zvni = zvni; | |
1371 | wctx.uninstall = uninstall; | |
1372 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1373 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1374 | |
b1599bb6 | 1375 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1376 | } |
13d60d35 | 1377 | |
2232a77c | 1378 | /* |
1379 | * Delete all neighbor entries for this VNI. | |
1380 | */ | |
996c9314 | 1381 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1382 | uint32_t flags) |
2232a77c | 1383 | { |
d62a17ae | 1384 | struct neigh_walk_ctx wctx; |
13d60d35 | 1385 | |
d62a17ae | 1386 | if (!zvni->neigh_table) |
1387 | return; | |
13d60d35 | 1388 | |
d62a17ae | 1389 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1390 | wctx.zvni = zvni; | |
d62a17ae | 1391 | wctx.uninstall = uninstall; |
1392 | wctx.upd_client = upd_client; | |
1393 | wctx.flags = flags; | |
2232a77c | 1394 | |
b1599bb6 | 1395 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1396 | } |
1397 | ||
1398 | /* | |
2232a77c | 1399 | * Look up neighbor hash entry. |
1400 | */ | |
d62a17ae | 1401 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1402 | { |
d62a17ae | 1403 | zebra_neigh_t tmp; |
1404 | zebra_neigh_t *n; | |
2232a77c | 1405 | |
d62a17ae | 1406 | memset(&tmp, 0, sizeof(tmp)); |
1407 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1408 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1409 | |
d62a17ae | 1410 | return n; |
2232a77c | 1411 | } |
1412 | ||
f07e1c99 | 1413 | /* |
1414 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1415 | * locally or undergoing any other change (such as sequence number). | |
1416 | */ | |
1417 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1418 | zebra_mac_t *zmac, | |
1419 | bool seq_change) | |
b6938a74 MK |
1420 | { |
1421 | zebra_neigh_t *n = NULL; | |
1422 | struct listnode *node = NULL; | |
1423 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1424 | |
f07e1c99 | 1425 | if (IS_ZEBRA_DEBUG_VXLAN) |
1426 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1427 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1428 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1429 | ||
1430 | /* Walk all neighbors and mark any inactive local neighbors as | |
1431 | * active and/or update sequence number upon a move, and inform BGP. | |
1432 | * The action for remote neighbors is TBD. | |
1433 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1434 | * accidentally end up deleting a just-learnt local neighbor. | |
1435 | */ | |
b6938a74 MK |
1436 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1437 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1438 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1439 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1440 | n->loc_seq = zmac->loc_seq; |
b6938a74 | 1441 | zvni_neigh_send_add_to_client( |
f07e1c99 | 1442 | zvni->vni, &n->ip, &n->emac, |
1443 | n->flags, n->loc_seq); | |
b6938a74 | 1444 | } |
b6938a74 MK |
1445 | } |
1446 | } | |
1447 | } | |
1448 | ||
f07e1c99 | 1449 | /* |
1450 | * Process all neighbors associated with a local MAC upon the MAC being | |
1451 | * deleted. | |
1452 | */ | |
2853fed6 | 1453 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1454 | zebra_mac_t *zmac) |
1455 | { | |
1456 | zebra_neigh_t *n = NULL; | |
1457 | struct listnode *node = NULL; | |
1458 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1459 | |
f07e1c99 | 1460 | if (IS_ZEBRA_DEBUG_VXLAN) |
1461 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1462 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1463 | zvni->vni); | |
1464 | ||
1465 | /* Walk all local neighbors and mark as inactive and inform | |
1466 | * BGP, if needed. | |
1467 | * TBD: There is currently no handling for remote neighbors. We | |
1468 | * don't expect them to exist, if they do, do we install the MAC | |
1469 | * as a remote MAC and the neighbor as remote? | |
1470 | */ | |
b6938a74 MK |
1471 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1472 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1473 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1474 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1475 | n->loc_seq = 0; |
996c9314 LB |
1476 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1477 | &n->emac, 0); | |
b6938a74 | 1478 | } |
b6938a74 MK |
1479 | } |
1480 | } | |
1481 | } | |
1482 | ||
f07e1c99 | 1483 | /* |
1484 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1485 | * learnt. | |
1486 | */ | |
2853fed6 | 1487 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1488 | zebra_mac_t *zmac) |
1489 | { | |
1490 | zebra_neigh_t *n = NULL; | |
1491 | struct listnode *node = NULL; | |
1492 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1493 | |
f07e1c99 | 1494 | if (IS_ZEBRA_DEBUG_VXLAN) |
1495 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1496 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1497 | zvni->vni); | |
1498 | ||
1499 | /* Walk all local neighbors and mark as inactive and inform | |
1500 | * BGP, if needed. | |
1501 | */ | |
b6938a74 MK |
1502 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1503 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1504 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1505 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1506 | n->loc_seq = 0; |
996c9314 LB |
1507 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1508 | &n->emac, 0); | |
b6938a74 MK |
1509 | } |
1510 | } | |
1511 | } | |
1512 | } | |
1513 | ||
f07e1c99 | 1514 | /* |
1515 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1516 | * deleted. | |
1517 | */ | |
2853fed6 | 1518 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1519 | zebra_mac_t *zmac) |
1520 | { | |
f07e1c99 | 1521 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1522 | } |
1523 | ||
2232a77c | 1524 | /* |
1525 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1526 | */ |
996c9314 | 1527 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1528 | struct ethaddr *macaddr, |
f07e1c99 | 1529 | uint8_t neigh_flags, |
1530 | uint32_t seq) | |
13d60d35 | 1531 | { |
d7c0a89a | 1532 | uint8_t flags = 0; |
ead40654 MK |
1533 | |
1534 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1535 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1536 | /* Set router flag (R-bit) based on local neigh entry add */ |
1537 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1538 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1539 | |
2853fed6 | 1540 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1541 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1542 | } |
13d60d35 | 1543 | |
2232a77c | 1544 | /* |
1545 | * Inform BGP about local neighbor deletion. | |
1546 | */ | |
996c9314 | 1547 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1548 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1549 | { |
2853fed6 | 1550 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1551 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1552 | } |
1553 | ||
1554 | /* | |
1555 | * Install remote neighbor into the kernel. | |
1556 | */ | |
d62a17ae | 1557 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1558 | { |
d62a17ae | 1559 | struct zebra_if *zif; |
1560 | struct zebra_l2info_vxlan *vxl; | |
1561 | struct interface *vlan_if; | |
f7dae312 | 1562 | #ifdef GNU_LINUX |
68e33151 | 1563 | uint8_t flags; |
f7dae312 | 1564 | #endif |
68e33151 | 1565 | int ret = 0; |
2232a77c | 1566 | |
d62a17ae | 1567 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1568 | return 0; | |
13d60d35 | 1569 | |
d62a17ae | 1570 | zif = zvni->vxlan_if->info; |
1571 | if (!zif) | |
1572 | return -1; | |
1573 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1574 | |
2853fed6 | 1575 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1576 | if (!vlan_if) |
1577 | return -1; | |
68e33151 CS |
1578 | #ifdef GNU_LINUX |
1579 | flags = NTF_EXT_LEARNED; | |
1580 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1581 | flags |= NTF_ROUTER; | |
f07e1c99 | 1582 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1583 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1584 | #endif | |
1585 | return ret; | |
2232a77c | 1586 | } |
13d60d35 | 1587 | |
2232a77c | 1588 | /* |
1589 | * Uninstall remote neighbor from the kernel. | |
1590 | */ | |
d62a17ae | 1591 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1592 | { |
d62a17ae | 1593 | struct zebra_if *zif; |
1594 | struct zebra_l2info_vxlan *vxl; | |
1595 | struct interface *vlan_if; | |
13d60d35 | 1596 | |
d62a17ae | 1597 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1598 | return 0; | |
2232a77c | 1599 | |
d62a17ae | 1600 | if (!zvni->vxlan_if) { |
9df414fe QY |
1601 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
1602 | zvni->vni, zvni); | |
d62a17ae | 1603 | return -1; |
1604 | } | |
2232a77c | 1605 | |
d62a17ae | 1606 | zif = zvni->vxlan_if->info; |
1607 | if (!zif) | |
1608 | return -1; | |
1609 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1610 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1611 | if (!vlan_if) |
1612 | return -1; | |
2232a77c | 1613 | |
f07e1c99 | 1614 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1615 | n->loc_seq = 0; | |
d62a17ae | 1616 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1617 | } |
1618 | ||
1619 | /* | |
2232a77c | 1620 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1621 | */ |
d62a17ae | 1622 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1623 | { |
d62a17ae | 1624 | zebra_neigh_t *n; |
1625 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1626 | |
d62a17ae | 1627 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1628 | |
d62a17ae | 1629 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1630 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1631 | } |
13d60d35 | 1632 | |
1a98c087 MK |
1633 | /* Get the VRR interface for SVI if any */ |
1634 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1635 | { | |
1636 | struct zebra_vrf *zvrf = NULL; | |
1637 | struct interface *tmp_if = NULL; | |
1638 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1639 | |
1640 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1641 | assert(zvrf); | |
1642 | ||
451fda4f | 1643 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1644 | zif = tmp_if->info; |
1645 | if (!zif) | |
1646 | continue; | |
1647 | ||
1648 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1649 | continue; | |
1650 | ||
1651 | if (zif->link == ifp) | |
1652 | return tmp_if; | |
1653 | } | |
1654 | ||
1655 | return NULL; | |
1656 | } | |
1657 | ||
1658 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1659 | { | |
1a98c087 MK |
1660 | struct listnode *cnode = NULL, *cnnode = NULL; |
1661 | struct connected *c = NULL; | |
1662 | struct ethaddr macaddr; | |
1663 | ||
1a98c087 MK |
1664 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1665 | ||
1666 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1667 | struct ipaddr ip; | |
1668 | ||
1669 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1670 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1671 | continue; | |
1672 | ||
1673 | if (c->address->family == AF_INET) { | |
1674 | ip.ipa_type = IPADDR_V4; | |
1675 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1676 | sizeof(struct in_addr)); | |
1677 | } else if (c->address->family == AF_INET6) { | |
1678 | ip.ipa_type = IPADDR_V6; | |
1679 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1680 | sizeof(struct in6_addr)); | |
1681 | } else { | |
1682 | continue; | |
1683 | } | |
1684 | ||
1685 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1686 | } | |
1687 | ||
1688 | return 0; | |
1689 | } | |
1690 | ||
1691 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1692 | { | |
1a98c087 MK |
1693 | struct listnode *cnode = NULL, *cnnode = NULL; |
1694 | struct connected *c = NULL; | |
1695 | struct ethaddr macaddr; | |
1696 | ||
1a98c087 MK |
1697 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1698 | ||
1699 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1700 | struct ipaddr ip; | |
1701 | ||
1702 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1703 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1704 | continue; | |
1705 | ||
1706 | if (c->address->family == AF_INET) { | |
1707 | ip.ipa_type = IPADDR_V4; | |
1708 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1709 | sizeof(struct in_addr)); | |
1710 | } else if (c->address->family == AF_INET6) { | |
1711 | ip.ipa_type = IPADDR_V6; | |
1712 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1713 | sizeof(struct in6_addr)); | |
1714 | } else { | |
1715 | continue; | |
1716 | } | |
1717 | ||
1718 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1719 | } | |
31310b25 MK |
1720 | return 0; |
1721 | } | |
1722 | ||
1723 | ||
996c9314 | 1724 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1725 | int advertise) |
1726 | { | |
1727 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1728 | struct connected *c = NULL; | |
1729 | struct ethaddr macaddr; | |
1730 | ||
1731 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1732 | ||
1733 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1734 | struct prefix p; | |
1a98c087 | 1735 | |
31310b25 MK |
1736 | memcpy(&p, c->address, sizeof(struct prefix)); |
1737 | ||
1738 | /* skip link local address */ | |
1739 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1740 | continue; | |
1741 | ||
1742 | apply_mask(&p); | |
1743 | if (advertise) | |
1744 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1745 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1746 | else |
1747 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1748 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1749 | } | |
1a98c087 MK |
1750 | return 0; |
1751 | } | |
1752 | ||
1753 | /* | |
1754 | * zvni_gw_macip_add_to_client | |
1755 | */ | |
1756 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1757 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1758 | { | |
1a98c087 MK |
1759 | char buf[ETHER_ADDR_STRLEN]; |
1760 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1761 | zebra_neigh_t *n = NULL; |
1762 | zebra_mac_t *mac = NULL; | |
1763 | struct zebra_if *zif = NULL; | |
1764 | struct zebra_l2info_vxlan *vxl = NULL; | |
1765 | ||
1a98c087 MK |
1766 | zif = zvni->vxlan_if->info; |
1767 | if (!zif) | |
1768 | return -1; | |
1769 | ||
1770 | vxl = &zif->l2info.vxl; | |
1771 | ||
1772 | mac = zvni_mac_lookup(zvni, macaddr); | |
1773 | if (!mac) { | |
1774 | mac = zvni_mac_add(zvni, macaddr); | |
1775 | if (!mac) { | |
e914ccbe | 1776 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
1777 | "Failed to add MAC %s intf %s(%u) VID %u", |
1778 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1779 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1780 | return -1; |
1781 | } | |
1782 | } | |
1783 | ||
1784 | /* Set "local" forwarding info. */ | |
1785 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1786 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1787 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1788 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1789 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1790 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1791 | ||
1792 | n = zvni_neigh_lookup(zvni, ip); | |
1793 | if (!n) { | |
b6938a74 | 1794 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1795 | if (!n) { |
af4c2728 | 1796 | flog_err( |
e914ccbe | 1797 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 1798 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1799 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1800 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1801 | ifp->name, ifp->ifindex, zvni->vni); |
1802 | return -1; | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | /* Set "local" forwarding info. */ | |
1807 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1808 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 1809 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1810 | /* Set Router flag (R-bit) */ |
1811 | if (ip->ipa_type == IPADDR_V6) | |
1812 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1813 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1814 | n->ifindex = ifp->ifindex; | |
1815 | ||
ead40654 MK |
1816 | /* Only advertise in BGP if the knob is enabled */ |
1817 | if (!advertise_gw_macip_enabled(zvni)) | |
1818 | return 0; | |
1819 | ||
1a98c087 MK |
1820 | if (IS_ZEBRA_DEBUG_VXLAN) |
1821 | zlog_debug( | |
68e33151 | 1822 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1823 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1824 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1825 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1826 | |
f07e1c99 | 1827 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1828 | n->flags, n->loc_seq); | |
1a98c087 MK |
1829 | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | /* | |
1834 | * zvni_gw_macip_del_from_client | |
1835 | */ | |
1836 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1837 | struct ipaddr *ip) | |
1838 | { | |
0af35d90 | 1839 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1840 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1841 | zebra_neigh_t *n = NULL; |
1842 | zebra_mac_t *mac = NULL; | |
1843 | ||
1a98c087 MK |
1844 | /* If the neigh entry is not present nothing to do*/ |
1845 | n = zvni_neigh_lookup(zvni, ip); | |
1846 | if (!n) | |
1847 | return 0; | |
1848 | ||
1849 | /* mac entry should be present */ | |
1850 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1851 | if (!mac) { |
9df414fe QY |
1852 | zlog_debug("MAC %s doesnt exists for neigh %s on VNI %u", |
1853 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), | |
1854 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1855 | return -1; |
1856 | } | |
1a98c087 MK |
1857 | |
1858 | /* If the entry is not local nothing to do*/ | |
1859 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1860 | return -1; | |
1861 | ||
ead40654 | 1862 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1863 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1864 | zlog_debug( |
1865 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1866 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1867 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1868 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1869 | |
1870 | /* Remove neighbor from BGP. */ | |
1871 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1872 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1873 | |
1874 | /* Delete this neighbor entry. */ | |
1875 | zvni_neigh_del(zvni, n); | |
1876 | ||
1877 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 1878 | if (mac) |
fe697c6b | 1879 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
1880 | |
1881 | return 0; | |
1882 | } | |
1883 | ||
1884 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1885 | void *ctxt) |
1a98c087 MK |
1886 | { |
1887 | zebra_vni_t *zvni = NULL; | |
1888 | struct zebra_if *zif = NULL; | |
1889 | struct zebra_l2info_vxlan zl2_info; | |
1890 | struct interface *vlan_if = NULL; | |
1891 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1892 | struct interface *ifp; |
1a98c087 MK |
1893 | |
1894 | /* Add primary SVI MAC*/ | |
1895 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1896 | |
b5ebdc9b | 1897 | ifp = zvni->vxlan_if; |
1898 | if (!ifp) | |
1899 | return; | |
1900 | zif = ifp->info; | |
1901 | ||
1902 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1903 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1904 | return; |
1905 | ||
1a98c087 MK |
1906 | zl2_info = zif->l2info.vxl; |
1907 | ||
996c9314 LB |
1908 | vlan_if = |
1909 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1910 | if (!vlan_if) |
1911 | return; | |
1912 | ||
1913 | /* Del primary MAC-IP */ | |
1914 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1915 | ||
1916 | /* Del VRR MAC-IP - if any*/ | |
1917 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1918 | if (vrr_if) | |
1919 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1920 | ||
1921 | return; | |
1922 | } | |
1923 | ||
1924 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1925 | void *ctxt) |
1a98c087 MK |
1926 | { |
1927 | zebra_vni_t *zvni = NULL; | |
1928 | struct zebra_if *zif = NULL; | |
1929 | struct zebra_l2info_vxlan zl2_info; | |
1930 | struct interface *vlan_if = NULL; | |
1931 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1932 | struct interface *ifp = NULL; |
1a98c087 MK |
1933 | |
1934 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1935 | |
b5ebdc9b | 1936 | ifp = zvni->vxlan_if; |
1937 | if (!ifp) | |
1938 | return; | |
1939 | zif = ifp->info; | |
1940 | ||
1941 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1942 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1943 | return; |
1a98c087 MK |
1944 | zl2_info = zif->l2info.vxl; |
1945 | ||
996c9314 LB |
1946 | vlan_if = |
1947 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1948 | if (!vlan_if) |
1949 | return; | |
1950 | ||
1a98c087 MK |
1951 | /* Add primary SVI MAC-IP */ |
1952 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1953 | ||
1954 | /* Add VRR MAC-IP - if any*/ | |
1955 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1956 | if (vrr_if) | |
1957 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1958 | ||
1959 | return; | |
1960 | } | |
1961 | ||
ee69da27 MK |
1962 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1963 | struct interface *ifp, | |
1964 | struct ipaddr *ip, | |
68e33151 | 1965 | struct ethaddr *macaddr, |
a37f4598 | 1966 | bool is_router) |
ee69da27 MK |
1967 | { |
1968 | char buf[ETHER_ADDR_STRLEN]; | |
1969 | char buf2[INET6_ADDRSTRLEN]; | |
1970 | zebra_neigh_t *n = NULL; | |
1971 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 1972 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
1973 | bool upd_mac_seq = false; | |
1974 | bool neigh_mac_change = false; | |
29c2ce7c | 1975 | bool check_rbit = false; |
ee69da27 | 1976 | |
f07e1c99 | 1977 | /* Check if the MAC exists. */ |
ee69da27 MK |
1978 | zmac = zvni_mac_lookup(zvni, macaddr); |
1979 | if (!zmac) { | |
f07e1c99 | 1980 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
1981 | if (IS_ZEBRA_DEBUG_VXLAN) |
1982 | zlog_debug( | |
1983 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1984 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1985 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1986 | ||
1987 | zmac = zvni_mac_add(zvni, macaddr); | |
1988 | if (!zmac) { | |
9df414fe QY |
1989 | zlog_debug("Failed to add MAC %s VNI %u", |
1990 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1991 | zvni->vni); | |
ee69da27 MK |
1992 | return -1; |
1993 | } | |
1994 | ||
1995 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
1996 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
1997 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 1998 | } else { |
1999 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2000 | /* | |
2001 | * We don't change the MAC to local upon a neighbor | |
2002 | * learn event, we wait for the explicit local MAC | |
2003 | * learn. However, we have to compute its sequence | |
2004 | * number in preparation for when it actually turns | |
2005 | * local. | |
2006 | */ | |
2007 | upd_mac_seq = true; | |
2008 | } | |
ee69da27 MK |
2009 | } |
2010 | ||
f07e1c99 | 2011 | /* Check if the neighbor exists. */ |
ee69da27 | 2012 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2013 | if (!n) { |
2014 | /* New neighbor - create */ | |
2015 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2016 | if (!n) { | |
2017 | flog_err( | |
e914ccbe | 2018 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 2019 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2020 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2021 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2022 | ifp->name, ifp->ifindex, zvni->vni); | |
2023 | return -1; | |
2024 | } | |
2025 | /* Set "local" forwarding info. */ | |
2026 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2027 | n->ifindex = ifp->ifindex; | |
f190902f | 2028 | check_rbit = true; |
f07e1c99 | 2029 | } else { |
ee69da27 | 2030 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 2031 | bool mac_different; |
2032 | bool cur_is_router; | |
2033 | ||
2034 | /* Note any changes and see if of interest to BGP. */ | |
2035 | mac_different = (memcmp(n->emac.octet, | |
2036 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
2037 | cur_is_router = !!CHECK_FLAG(n->flags, | |
2038 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2039 | if (!mac_different && is_router == cur_is_router) { | |
ee69da27 | 2040 | n->ifindex = ifp->ifindex; |
66e37987 | 2041 | return 0; |
2042 | } | |
ee69da27 | 2043 | |
66e37987 | 2044 | if (!mac_different) { |
2045 | /* Only the router flag has changed. */ | |
2046 | if (is_router) | |
2047 | SET_FLAG(n->flags, | |
2048 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2049 | else | |
2050 | UNSET_FLAG(n->flags, | |
2051 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 2052 | |
66e37987 | 2053 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2054 | return zvni_neigh_send_add_to_client( | |
2055 | zvni->vni, ip, macaddr, | |
2056 | n->flags, n->loc_seq); | |
2057 | return 0; | |
2058 | } | |
2059 | ||
2060 | /* The MAC has changed, need to issue a delete | |
2061 | * first as this means a different MACIP route. | |
2062 | * Also, need to do some unlinking/relinking. | |
2063 | * We also need to update the MAC's sequence number | |
2064 | * in different situations. | |
2065 | */ | |
2066 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
2067 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2068 | &n->emac, 0); | |
2069 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2070 | if (old_zmac) { | |
2071 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
2072 | ZEBRA_MAC_REMOTE) ? | |
2073 | old_zmac->rem_seq : old_zmac->loc_seq; | |
2074 | neigh_mac_change = upd_mac_seq = true; | |
2075 | listnode_delete(old_zmac->neigh_list, n); | |
2076 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 2077 | } |
ee69da27 | 2078 | |
66e37987 | 2079 | /* Update the forwarding info. */ |
2080 | n->ifindex = ifp->ifindex; | |
2081 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2082 | ||
2083 | /* Link to new MAC */ | |
2084 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 2085 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2086 | /* | |
2087 | * Neighbor has moved from remote to local. Its | |
2088 | * MAC could have also changed as part of the move. | |
2089 | */ | |
ee69da27 MK |
2090 | if (memcmp(n->emac.octet, macaddr->octet, |
2091 | ETH_ALEN) != 0) { | |
2092 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2093 | if (old_zmac) { | |
9df2b997 | 2094 | old_mac_seq = CHECK_FLAG( |
2095 | old_zmac->flags, | |
2096 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2097 | old_zmac->rem_seq : |
2098 | old_zmac->loc_seq; | |
2099 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2100 | listnode_delete(old_zmac->neigh_list, |
2101 | n); | |
fe697c6b | 2102 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
2103 | } |
2104 | ||
2105 | /* Link to new MAC */ | |
2106 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2107 | listnode_add_sort(zmac->neigh_list, n); | |
2108 | } | |
2109 | ||
2110 | /* Mark appropriately */ | |
2111 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2112 | n->r_vtep_ip.s_addr = 0; | |
2113 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2114 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2115 | check_rbit = true; |
ee69da27 | 2116 | } |
f07e1c99 | 2117 | } |
2118 | ||
2119 | /* If MAC was previously remote, or the neighbor had a different | |
2120 | * MAC earlier, recompute the sequence number. | |
2121 | */ | |
2122 | if (upd_mac_seq) { | |
2123 | uint32_t seq1, seq2; | |
2124 | ||
2125 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2126 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2127 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2128 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2129 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2130 | } |
2131 | ||
54c17425 | 2132 | /*Mark Router flag (R-bit) */ |
a37f4598 | 2133 | if (is_router) |
54c17425 CS |
2134 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
2135 | else | |
2136 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2137 | ||
ee69da27 | 2138 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2139 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2140 | */ |
2141 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2142 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2143 | n->loc_seq = 0; |
2144 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2145 | return 0; |
2146 | } | |
2147 | ||
bf437f90 | 2148 | if (!check_rbit) |
f190902f | 2149 | return 0; |
68e33151 | 2150 | |
f07e1c99 | 2151 | /* If the MAC's sequence number has changed, inform the MAC and all |
2152 | * neighbors associated with the MAC to BGP, else just inform this | |
2153 | * neighbor. | |
2154 | */ | |
2155 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2156 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2157 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2158 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2159 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2160 | zmac->loc_seq = mac_new_seq; | |
2161 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2162 | zmac->flags, zmac->loc_seq)) | |
2163 | return -1; | |
2164 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2165 | return 0; |
2166 | } | |
2167 | ||
ee69da27 | 2168 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2169 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2170 | |
f07e1c99 | 2171 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2172 | n->flags, n->loc_seq); | |
ee69da27 MK |
2173 | } |
2174 | ||
2175 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2176 | struct interface *ifp, | |
2177 | struct ipaddr *ip, | |
2178 | struct ethaddr *macaddr, | |
2179 | uint16_t state) | |
2180 | { | |
2181 | char buf[ETHER_ADDR_STRLEN]; | |
2182 | char buf2[INET6_ADDRSTRLEN]; | |
2183 | zebra_neigh_t *n = NULL; | |
2184 | zebra_mac_t *zmac = NULL; | |
2185 | ||
2186 | /* If the neighbor is unknown, there is no further action. */ | |
2187 | n = zvni_neigh_lookup(zvni, ip); | |
2188 | if (!n) | |
2189 | return 0; | |
2190 | ||
2191 | /* If a remote entry, see if it needs to be refreshed */ | |
2192 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2193 | #ifdef GNU_LINUX |
ee69da27 MK |
2194 | if (state & NUD_STALE) |
2195 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2196 | #endif |
ee69da27 MK |
2197 | } else { |
2198 | /* We got a "remote" neighbor notification for an entry | |
2199 | * we think is local. This can happen in a multihoming | |
2200 | * scenario - but only if the MAC is already "remote". | |
2201 | * Just mark our entry as "remote". | |
2202 | */ | |
2203 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2204 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 2205 | zlog_debug( |
43e52561 QY |
2206 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2207 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2208 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2209 | zvni->vni); | |
ee69da27 MK |
2210 | return -1; |
2211 | } | |
2212 | ||
2213 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2214 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2215 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2216 | } | |
2217 | ||
2218 | return 0; | |
2219 | } | |
2220 | ||
2232a77c | 2221 | /* |
2222 | * Make hash key for MAC. | |
2223 | */ | |
d62a17ae | 2224 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2225 | { |
d62a17ae | 2226 | zebra_mac_t *pmac = p; |
25331def DS |
2227 | const void *pnt = (void *)pmac->macaddr.octet; |
2228 | ||
ff8b7eb8 | 2229 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2230 | } |
13d60d35 | 2231 | |
2232a77c | 2232 | /* |
2233 | * Compare two MAC addresses. | |
2234 | */ | |
d62a17ae | 2235 | static int mac_cmp(const void *p1, const void *p2) |
2232a77c | 2236 | { |
d62a17ae | 2237 | const zebra_mac_t *pmac1 = p1; |
2238 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2239 | |
d62a17ae | 2240 | if (pmac1 == NULL && pmac2 == NULL) |
2241 | return 1; | |
2232a77c | 2242 | |
d62a17ae | 2243 | if (pmac1 == NULL || pmac2 == NULL) |
2244 | return 0; | |
2232a77c | 2245 | |
996c9314 | 2246 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2247 | == 0); |
2232a77c | 2248 | } |
2249 | ||
2250 | /* | |
2251 | * Callback to allocate MAC hash entry. | |
2252 | */ | |
d62a17ae | 2253 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2254 | { |
d62a17ae | 2255 | const zebra_mac_t *tmp_mac = p; |
2256 | zebra_mac_t *mac; | |
2232a77c | 2257 | |
d62a17ae | 2258 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2259 | *mac = *tmp_mac; | |
2232a77c | 2260 | |
d62a17ae | 2261 | return ((void *)mac); |
2232a77c | 2262 | } |
2263 | ||
2264 | /* | |
2265 | * Add MAC entry. | |
2266 | */ | |
d62a17ae | 2267 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2268 | { |
d62a17ae | 2269 | zebra_mac_t tmp_mac; |
2270 | zebra_mac_t *mac = NULL; | |
2232a77c | 2271 | |
d62a17ae | 2272 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2273 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2274 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2275 | assert(mac); | |
2232a77c | 2276 | |
b6938a74 MK |
2277 | mac->neigh_list = list_new(); |
2278 | mac->neigh_list->cmp = (int (*)(void *, void *))neigh_cmp; | |
2279 | ||
d62a17ae | 2280 | return mac; |
2232a77c | 2281 | } |
2282 | ||
2283 | /* | |
2284 | * Delete MAC entry. | |
2285 | */ | |
d62a17ae | 2286 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2287 | { |
d62a17ae | 2288 | zebra_mac_t *tmp_mac; |
2232a77c | 2289 | |
affe9e99 | 2290 | list_delete_and_null(&mac->neigh_list); |
b6938a74 | 2291 | |
d62a17ae | 2292 | /* Free the VNI hash entry and allocated memory. */ |
2293 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2294 | if (tmp_mac) | |
2295 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2296 | |
d62a17ae | 2297 | return 0; |
2232a77c | 2298 | } |
2299 | ||
2300 | /* | |
2301 | * Free MAC hash entry (callback) | |
2302 | */ | |
b1599bb6 | 2303 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2304 | { |
d62a17ae | 2305 | struct mac_walk_ctx *wctx = arg; |
2306 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2307 | |
d62a17ae | 2308 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2309 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2310 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2311 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2312 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2313 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2314 | &wctx->r_vtep_ip))) { | |
2315 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2316 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2317 | &mac->macaddr, mac->flags); | |
d62a17ae | 2318 | } |
2232a77c | 2319 | |
d62a17ae | 2320 | if (wctx->uninstall) |
d63c1b18 | 2321 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 2322 | |
b1599bb6 | 2323 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2324 | } |
2232a77c | 2325 | |
b1599bb6 | 2326 | return; |
2232a77c | 2327 | } |
2328 | ||
2329 | /* | |
2330 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2331 | */ | |
d62a17ae | 2332 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2333 | struct in_addr *r_vtep_ip) | |
2232a77c | 2334 | { |
d62a17ae | 2335 | struct mac_walk_ctx wctx; |
2232a77c | 2336 | |
d62a17ae | 2337 | if (!zvni->mac_table) |
2338 | return; | |
2232a77c | 2339 | |
d62a17ae | 2340 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2341 | wctx.zvni = zvni; | |
2342 | wctx.uninstall = uninstall; | |
2343 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2344 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2345 | |
b1599bb6 | 2346 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2347 | } |
2348 | ||
2349 | /* | |
2350 | * Delete all MAC entries for this VNI. | |
2351 | */ | |
996c9314 | 2352 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2353 | uint32_t flags) |
2232a77c | 2354 | { |
d62a17ae | 2355 | struct mac_walk_ctx wctx; |
2232a77c | 2356 | |
d62a17ae | 2357 | if (!zvni->mac_table) |
2358 | return; | |
2232a77c | 2359 | |
d62a17ae | 2360 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2361 | wctx.zvni = zvni; | |
d62a17ae | 2362 | wctx.uninstall = uninstall; |
2363 | wctx.upd_client = upd_client; | |
2364 | wctx.flags = flags; | |
2232a77c | 2365 | |
b1599bb6 | 2366 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2367 | } |
2368 | ||
2369 | /* | |
2370 | * Look up MAC hash entry. | |
2371 | */ | |
d62a17ae | 2372 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2373 | { |
d62a17ae | 2374 | zebra_mac_t tmp; |
2375 | zebra_mac_t *pmac; | |
2232a77c | 2376 | |
d62a17ae | 2377 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2378 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2379 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2380 | |
d62a17ae | 2381 | return pmac; |
2232a77c | 2382 | } |
2383 | ||
2384 | /* | |
2385 | * Inform BGP about local MAC addition. | |
2386 | */ | |
996c9314 | 2387 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2388 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2389 | { |
d7c0a89a | 2390 | uint8_t flags = 0; |
ead40654 MK |
2391 | |
2392 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2393 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2394 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2395 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2396 | ||
2853fed6 | 2397 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2398 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2399 | } |
2400 | ||
2401 | /* | |
2402 | * Inform BGP about local MAC deletion. | |
2403 | */ | |
996c9314 | 2404 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2405 | uint8_t mac_flags) |
2232a77c | 2406 | { |
d7c0a89a | 2407 | uint8_t flags = 0; |
ead40654 MK |
2408 | |
2409 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2410 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2411 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2412 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2413 | ||
2853fed6 | 2414 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2415 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 2416 | } |
2417 | ||
2418 | /* | |
2419 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2420 | * notifications, to see if they are of interest. |
2232a77c | 2421 | */ |
d62a17ae | 2422 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2423 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2424 | { |
2853fed6 | 2425 | struct zebra_ns *zns; |
2426 | struct route_node *rn; | |
2427 | struct interface *tmp_if = NULL; | |
d62a17ae | 2428 | struct zebra_if *zif; |
2429 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2430 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2431 | uint8_t bridge_vlan_aware; |
d62a17ae | 2432 | zebra_vni_t *zvni; |
2853fed6 | 2433 | int found = 0; |
2232a77c | 2434 | |
d62a17ae | 2435 | /* Determine if bridge is VLAN-aware or not */ |
2436 | zif = br_if->info; | |
2437 | assert(zif); | |
2438 | br = &zif->l2info.br; | |
2439 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2440 | |
d62a17ae | 2441 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2442 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2443 | zns = zebra_ns_lookup(NS_DEFAULT); |
2444 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2445 | tmp_if = (struct interface *)rn->info; | |
2446 | if (!tmp_if) | |
2447 | continue; | |
d62a17ae | 2448 | zif = tmp_if->info; |
2449 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2450 | continue; | |
2451 | if (!if_is_operative(tmp_if)) | |
2452 | continue; | |
2453 | vxl = &zif->l2info.vxl; | |
2232a77c | 2454 | |
d62a17ae | 2455 | if (zif->brslave_info.br_if != br_if) |
2456 | continue; | |
2232a77c | 2457 | |
2853fed6 | 2458 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2459 | found = 1; | |
d62a17ae | 2460 | break; |
2853fed6 | 2461 | } |
d62a17ae | 2462 | } |
2232a77c | 2463 | |
2853fed6 | 2464 | if (!found) |
d62a17ae | 2465 | return NULL; |
2232a77c | 2466 | |
2853fed6 | 2467 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2468 | return zvni; |
2232a77c | 2469 | } |
2470 | ||
2471 | /* | |
2472 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2473 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2474 | */ |
b7cfce93 MK |
2475 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2476 | struct interface *br_if) | |
d62a17ae | 2477 | { |
2853fed6 | 2478 | struct zebra_ns *zns; |
2479 | struct route_node *rn; | |
2480 | struct interface *tmp_if = NULL; | |
d62a17ae | 2481 | struct zebra_if *zif; |
2482 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2483 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2484 | uint8_t bridge_vlan_aware; |
d62a17ae | 2485 | vlanid_t vid = 0; |
2486 | zebra_vni_t *zvni; | |
2853fed6 | 2487 | int found = 0; |
d62a17ae | 2488 | |
71349e03 MK |
2489 | if (!br_if) |
2490 | return NULL; | |
2491 | ||
d62a17ae | 2492 | /* Make sure the linked interface is a bridge. */ |
2493 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2494 | return NULL; | |
2495 | ||
d62a17ae | 2496 | /* Determine if bridge is VLAN-aware or not */ |
2497 | zif = br_if->info; | |
2498 | assert(zif); | |
2499 | br = &zif->l2info.br; | |
2500 | bridge_vlan_aware = br->vlan_aware; | |
2501 | if (bridge_vlan_aware) { | |
2502 | struct zebra_l2info_vlan *vl; | |
2503 | ||
2504 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2505 | return NULL; | |
2506 | ||
2507 | zif = ifp->info; | |
2508 | assert(zif); | |
2509 | vl = &zif->l2info.vl; | |
2510 | vid = vl->vid; | |
2511 | } | |
2512 | ||
2513 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2514 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2515 | zns = zebra_ns_lookup(NS_DEFAULT); |
2516 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2517 | tmp_if = (struct interface *)rn->info; | |
2518 | if (!tmp_if) | |
2519 | continue; | |
d62a17ae | 2520 | zif = tmp_if->info; |
2521 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2522 | continue; | |
2523 | if (!if_is_operative(tmp_if)) | |
2524 | continue; | |
2525 | vxl = &zif->l2info.vxl; | |
2526 | ||
2527 | if (zif->brslave_info.br_if != br_if) | |
2528 | continue; | |
2529 | ||
2853fed6 | 2530 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2531 | found = 1; | |
d62a17ae | 2532 | break; |
2853fed6 | 2533 | } |
d62a17ae | 2534 | } |
2535 | ||
2853fed6 | 2536 | if (!found) |
d62a17ae | 2537 | return NULL; |
2538 | ||
2853fed6 | 2539 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2540 | return zvni; |
2232a77c | 2541 | } |
2542 | ||
2543 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2544 | * of two cases: | |
2545 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2546 | * linked to the bridge | |
2547 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2548 | * itself | |
2549 | */ | |
2853fed6 | 2550 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2551 | { |
2853fed6 | 2552 | struct zebra_ns *zns; |
2553 | struct route_node *rn; | |
2554 | struct interface *tmp_if = NULL; | |
d62a17ae | 2555 | struct zebra_if *zif; |
2556 | struct zebra_l2info_bridge *br; | |
2557 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2558 | uint8_t bridge_vlan_aware; |
2853fed6 | 2559 | int found = 0; |
d62a17ae | 2560 | |
b5ebdc9b | 2561 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2562 | if (!br_if) | |
2563 | return NULL; | |
2564 | ||
d62a17ae | 2565 | /* Determine if bridge is VLAN-aware or not */ |
2566 | zif = br_if->info; | |
2567 | assert(zif); | |
2568 | br = &zif->l2info.br; | |
2569 | bridge_vlan_aware = br->vlan_aware; | |
2570 | ||
2571 | /* Check oper status of the SVI. */ | |
2572 | if (!bridge_vlan_aware) | |
2573 | return if_is_operative(br_if) ? br_if : NULL; | |
2574 | ||
2575 | /* Identify corresponding VLAN interface. */ | |
2576 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2577 | zns = zebra_ns_lookup(NS_DEFAULT); |
2578 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2579 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2580 | /* Check oper status of the SVI. */ |
2853fed6 | 2581 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2582 | continue; |
2583 | zif = tmp_if->info; | |
2584 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2585 | || zif->link != br_if) | |
2586 | continue; | |
2587 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2588 | ||
2853fed6 | 2589 | if (vl->vid == vid) { |
2590 | found = 1; | |
d62a17ae | 2591 | break; |
2853fed6 | 2592 | } |
d62a17ae | 2593 | } |
2594 | ||
2853fed6 | 2595 | return found ? tmp_if : NULL; |
2232a77c | 2596 | } |
2597 | ||
2598 | /* | |
2599 | * Install remote MAC into the kernel. | |
2600 | */ | |
d62a17ae | 2601 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2602 | { |
d62a17ae | 2603 | struct zebra_if *zif; |
2604 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 2605 | bool sticky; |
2232a77c | 2606 | |
d62a17ae | 2607 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2608 | return 0; | |
2232a77c | 2609 | |
d62a17ae | 2610 | zif = zvni->vxlan_if->info; |
2611 | if (!zif) | |
2612 | return -1; | |
2613 | vxl = &zif->l2info.vxl; | |
2232a77c | 2614 | |
a37f4598 | 2615 | sticky = !!CHECK_FLAG(mac->flags, |
2616 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 2617 | |
d62a17ae | 2618 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2619 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2620 | } |
2621 | ||
2622 | /* | |
d63c1b18 | 2623 | * Uninstall remote MAC from the kernel. |
2232a77c | 2624 | */ |
d63c1b18 | 2625 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2626 | { |
d62a17ae | 2627 | struct zebra_if *zif; |
2628 | struct zebra_l2info_vxlan *vxl; | |
2629 | struct in_addr vtep_ip = {.s_addr = 0}; | |
d62a17ae | 2630 | struct interface *ifp; |
2232a77c | 2631 | |
d63c1b18 | 2632 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 2633 | return 0; |
2232a77c | 2634 | |
d62a17ae | 2635 | if (!zvni->vxlan_if) { |
9df414fe QY |
2636 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2637 | zvni->vni, zvni); | |
d62a17ae | 2638 | return -1; |
2639 | } | |
2232a77c | 2640 | |
d62a17ae | 2641 | zif = zvni->vxlan_if->info; |
2642 | if (!zif) | |
2643 | return -1; | |
2644 | vxl = &zif->l2info.vxl; | |
2232a77c | 2645 | |
d63c1b18 | 2646 | ifp = zvni->vxlan_if; |
2647 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 2648 | |
d63c1b18 | 2649 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 2650 | } |
2651 | ||
2652 | /* | |
2653 | * Install MAC hash entry - called upon access VLAN change. | |
2654 | */ | |
d62a17ae | 2655 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2656 | { |
d62a17ae | 2657 | zebra_mac_t *mac; |
2658 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2659 | |
d62a17ae | 2660 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2661 | |
d62a17ae | 2662 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2663 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2664 | } |
2665 | ||
fe697c6b | 2666 | /* |
2667 | * Count of remote neighbors referencing this MAC. | |
2668 | */ | |
2669 | static int remote_neigh_count(zebra_mac_t *zmac) | |
2670 | { | |
2671 | zebra_neigh_t *n = NULL; | |
2672 | struct listnode *node = NULL; | |
2673 | int count = 0; | |
2674 | ||
2675 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
2676 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
2677 | count++; | |
2678 | } | |
2679 | ||
2680 | return count; | |
2681 | } | |
2682 | ||
2232a77c | 2683 | /* |
2684 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2685 | * appropriate. | |
2686 | */ | |
fe697c6b | 2687 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2688 | { |
fe697c6b | 2689 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 2690 | return; |
2232a77c | 2691 | |
fe697c6b | 2692 | /* If all remote neighbors referencing a remote MAC go away, |
2693 | * we need to uninstall the MAC. | |
2694 | */ | |
2695 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
2696 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 2697 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 2698 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
2699 | } | |
2232a77c | 2700 | |
fe697c6b | 2701 | /* If no neighbors, delete the MAC. */ |
2702 | if (list_isempty(mac->neigh_list)) | |
2703 | zvni_mac_del(zvni, mac); | |
2232a77c | 2704 | } |
2705 | ||
2706 | /* | |
2707 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2708 | */ | |
996c9314 | 2709 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2710 | { |
2853fed6 | 2711 | struct zebra_ns *zns; |
d62a17ae | 2712 | struct zebra_if *zif; |
2713 | struct interface *vlan_if; | |
2714 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2715 | struct interface *vrr_if; |
2232a77c | 2716 | |
d62a17ae | 2717 | zif = ifp->info; |
2718 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2719 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2720 | |
d62a17ae | 2721 | if (IS_ZEBRA_DEBUG_VXLAN) |
2722 | zlog_debug( | |
2853fed6 | 2723 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2724 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2725 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2726 | |
2853fed6 | 2727 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2728 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2729 | if (vlan_if) { |
2730 | ||
ead40654 MK |
2731 | /* Add SVI MAC-IP */ |
2732 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2733 | |
ead40654 MK |
2734 | /* Add VRR MAC-IP - if any*/ |
2735 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2736 | if (vrr_if) | |
2737 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2738 | |
2853fed6 | 2739 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2740 | } |
2232a77c | 2741 | } |
2742 | ||
2743 | /* | |
2744 | * Hash function for VNI. | |
2745 | */ | |
d62a17ae | 2746 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2747 | { |
d62a17ae | 2748 | const zebra_vni_t *zvni = p; |
2232a77c | 2749 | |
d62a17ae | 2750 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2751 | } |
2752 | ||
2753 | /* | |
2754 | * Compare 2 VNI hash entries. | |
2755 | */ | |
d62a17ae | 2756 | static int vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2757 | { |
d62a17ae | 2758 | const zebra_vni_t *zvni1 = p1; |
2759 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2760 | |
d62a17ae | 2761 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2762 | } |
2763 | ||
2764 | /* | |
2765 | * Callback to allocate VNI hash entry. | |
2766 | */ | |
d62a17ae | 2767 | static void *zvni_alloc(void *p) |
2232a77c | 2768 | { |
d62a17ae | 2769 | const zebra_vni_t *tmp_vni = p; |
2770 | zebra_vni_t *zvni; | |
2232a77c | 2771 | |
d62a17ae | 2772 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2773 | zvni->vni = tmp_vni->vni; | |
2774 | return ((void *)zvni); | |
2232a77c | 2775 | } |
2776 | ||
2777 | /* | |
2778 | * Look up VNI hash entry. | |
2779 | */ | |
2853fed6 | 2780 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2781 | { |
2853fed6 | 2782 | struct zebra_vrf *zvrf; |
d62a17ae | 2783 | zebra_vni_t tmp_vni; |
2784 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2785 | |
2853fed6 | 2786 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2787 | assert(zvrf); | |
d62a17ae | 2788 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2789 | tmp_vni.vni = vni; | |
2790 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2791 | |
d62a17ae | 2792 | return zvni; |
2232a77c | 2793 | } |
2794 | ||
2795 | /* | |
2796 | * Add VNI hash entry. | |
2797 | */ | |
2853fed6 | 2798 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2799 | { |
2853fed6 | 2800 | struct zebra_vrf *zvrf; |
d62a17ae | 2801 | zebra_vni_t tmp_zvni; |
2802 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2803 | |
2853fed6 | 2804 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2805 | assert(zvrf); | |
d62a17ae | 2806 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2807 | tmp_zvni.vni = vni; | |
2808 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2809 | assert(zvni); | |
2232a77c | 2810 | |
d62a17ae | 2811 | /* Create hash table for MAC */ |
2812 | zvni->mac_table = | |
2813 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2814 | |
d62a17ae | 2815 | /* Create hash table for neighbors */ |
2816 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2817 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2818 | |
d62a17ae | 2819 | return zvni; |
2232a77c | 2820 | } |
2821 | ||
2822 | /* | |
2823 | * Delete VNI hash entry. | |
2824 | */ | |
2853fed6 | 2825 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2826 | { |
2853fed6 | 2827 | struct zebra_vrf *zvrf; |
d62a17ae | 2828 | zebra_vni_t *tmp_zvni; |
2232a77c | 2829 | |
2853fed6 | 2830 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2831 | assert(zvrf); | |
2832 | ||
d62a17ae | 2833 | zvni->vxlan_if = NULL; |
2232a77c | 2834 | |
d62a17ae | 2835 | /* Free the neighbor hash table. */ |
2836 | hash_free(zvni->neigh_table); | |
2837 | zvni->neigh_table = NULL; | |
2232a77c | 2838 | |
d62a17ae | 2839 | /* Free the MAC hash table. */ |
2840 | hash_free(zvni->mac_table); | |
2841 | zvni->mac_table = NULL; | |
2232a77c | 2842 | |
d62a17ae | 2843 | /* Free the VNI hash entry and allocated memory. */ |
2844 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2845 | if (tmp_zvni) | |
2846 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2847 | |
d62a17ae | 2848 | return 0; |
2232a77c | 2849 | } |
2850 | ||
2851 | /* | |
2852 | * Inform BGP about local VNI addition. | |
2853 | */ | |
2853fed6 | 2854 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2855 | { |
d62a17ae | 2856 | struct zserv *client; |
2857 | struct stream *s; | |
2232a77c | 2858 | |
21ccc0cf | 2859 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2860 | /* BGP may not be running. */ |
2861 | if (!client) | |
2862 | return 0; | |
2232a77c | 2863 | |
1002497a | 2864 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2865 | |
7cf15b25 | 2866 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2867 | stream_putl(s, zvni->vni); |
2868 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2869 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2870 | |
d62a17ae | 2871 | /* Write packet size. */ |
2872 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2873 | |
d62a17ae | 2874 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2875 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2876 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2877 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2878 | zebra_route_string(client->proto)); |
2232a77c | 2879 | |
d62a17ae | 2880 | client->vniadd_cnt++; |
21ccc0cf | 2881 | return zserv_send_message(client, s); |
2232a77c | 2882 | } |
2883 | ||
2884 | /* | |
2885 | * Inform BGP about local VNI deletion. | |
2886 | */ | |
2853fed6 | 2887 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2888 | { |
d62a17ae | 2889 | struct zserv *client; |
2890 | struct stream *s; | |
2232a77c | 2891 | |
21ccc0cf | 2892 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2893 | /* BGP may not be running. */ |
2894 | if (!client) | |
2895 | return 0; | |
2232a77c | 2896 | |
1002497a | 2897 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2898 | stream_reset(s); |
2232a77c | 2899 | |
7cf15b25 | 2900 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2901 | stream_putl(s, vni); |
2232a77c | 2902 | |
d62a17ae | 2903 | /* Write packet size. */ |
2904 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2905 | |
d62a17ae | 2906 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2907 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2908 | zebra_route_string(client->proto)); |
2232a77c | 2909 | |
d62a17ae | 2910 | client->vnidel_cnt++; |
21ccc0cf | 2911 | return zserv_send_message(client, s); |
2232a77c | 2912 | } |
2913 | ||
2914 | /* | |
2915 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2916 | * is called when EVPN (advertise-all-vni) is enabled. | |
2917 | */ | |
2853fed6 | 2918 | static void zvni_build_hash_table() |
2232a77c | 2919 | { |
2853fed6 | 2920 | struct zebra_ns *zns; |
2921 | struct route_node *rn; | |
d62a17ae | 2922 | struct interface *ifp; |
2232a77c | 2923 | |
d62a17ae | 2924 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2925 | zns = zebra_ns_lookup(NS_DEFAULT); |
2926 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2927 | vni_t vni; |
643215ce | 2928 | zebra_vni_t *zvni = NULL; |
2929 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2930 | struct zebra_if *zif; |
2931 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2932 | |
2853fed6 | 2933 | ifp = (struct interface *)rn->info; |
2934 | if (!ifp) | |
2935 | continue; | |
d62a17ae | 2936 | zif = ifp->info; |
2937 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2938 | continue; | |
2232a77c | 2939 | |
b7cfce93 | 2940 | vxl = &zif->l2info.vxl; |
d62a17ae | 2941 | vni = vxl->vni; |
2232a77c | 2942 | |
643215ce | 2943 | /* L3-VNI and L2-VNI are handled seperately */ |
2944 | zl3vni = zl3vni_lookup(vni); | |
2945 | if (zl3vni) { | |
2232a77c | 2946 | |
b7cfce93 | 2947 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2948 | zlog_debug( |
2949 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2950 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2951 | |
b7cfce93 | 2952 | /* associate with vxlan_if */ |
b67a60d2 | 2953 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2954 | zl3vni->vxlan_if = ifp; |
2232a77c | 2955 | |
523cafc4 | 2956 | /* |
2957 | * we need to associate with SVI. | |
b7cfce93 | 2958 | * we can associate with svi-if only after association |
523cafc4 | 2959 | * with vxlan-intf is complete |
2960 | */ | |
b7cfce93 MK |
2961 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2962 | ||
2963 | if (is_l3vni_oper_up(zl3vni)) | |
2964 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2965 | ||
2966 | } else { | |
b7cfce93 MK |
2967 | struct interface *vlan_if = NULL; |
2968 | ||
2969 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2970 | zlog_debug( | |
2971 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2972 | ifp->name, ifp->ifindex, vni, | |
2973 | inet_ntoa(vxl->vtep_ip)); | |
2974 | ||
2975 | /* VNI hash entry is not expected to exist. */ | |
2976 | zvni = zvni_lookup(vni); | |
2977 | if (zvni) { | |
9df414fe | 2978 | zlog_debug( |
b7cfce93 MK |
2979 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2980 | ifp->name, ifp->ifindex, vni); | |
2981 | continue; | |
2982 | } | |
2983 | ||
2984 | zvni = zvni_add(vni); | |
2985 | if (!zvni) { | |
9df414fe | 2986 | zlog_debug( |
b7cfce93 MK |
2987 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
2988 | ifp->name, ifp->ifindex, vni); | |
2989 | return; | |
2990 | } | |
2991 | ||
2992 | zvni->local_vtep_ip = vxl->vtep_ip; | |
2993 | zvni->vxlan_if = ifp; | |
2994 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
2995 | zif->brslave_info.br_if); | |
2996 | if (vlan_if) { | |
2997 | zvni->vrf_id = vlan_if->vrf_id; | |
2998 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
2999 | if (zl3vni) | |
3000 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3001 | } | |
3002 | ||
3003 | ||
3004 | /* Inform BGP if intf is up and mapped to bridge. */ | |
3005 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
3006 | zvni_send_add_to_client(zvni); | |
3007 | } | |
d62a17ae | 3008 | } |
2232a77c | 3009 | } |
3010 | ||
3011 | /* | |
3012 | * See if remote VTEP matches with prefix. | |
3013 | */ | |
d62a17ae | 3014 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 3015 | { |
d62a17ae | 3016 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 3017 | } |
3018 | ||
3019 | /* | |
3020 | * Locate remote VTEP in VNI hash table. | |
3021 | */ | |
d62a17ae | 3022 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3023 | { |
d62a17ae | 3024 | zebra_vtep_t *zvtep; |
2232a77c | 3025 | |
d62a17ae | 3026 | if (!zvni) |
3027 | return NULL; | |
2232a77c | 3028 | |
d62a17ae | 3029 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3030 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3031 | break; | |
3032 | } | |
2232a77c | 3033 | |
d62a17ae | 3034 | return zvtep; |
2232a77c | 3035 | } |
3036 | ||
3037 | /* | |
3038 | * Add remote VTEP to VNI hash table. | |
3039 | */ | |
d62a17ae | 3040 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3041 | { |
d62a17ae | 3042 | zebra_vtep_t *zvtep; |
2232a77c | 3043 | |
d62a17ae | 3044 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3045 | |
d62a17ae | 3046 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3047 | |
d62a17ae | 3048 | if (zvni->vteps) |
3049 | zvni->vteps->prev = zvtep; | |
3050 | zvtep->next = zvni->vteps; | |
3051 | zvni->vteps = zvtep; | |
2232a77c | 3052 | |
d62a17ae | 3053 | return zvtep; |
2232a77c | 3054 | } |
3055 | ||
3056 | /* | |
3057 | * Remove remote VTEP from VNI hash table. | |
3058 | */ | |
d62a17ae | 3059 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3060 | { |
d62a17ae | 3061 | if (zvtep->next) |
3062 | zvtep->next->prev = zvtep->prev; | |
3063 | if (zvtep->prev) | |
3064 | zvtep->prev->next = zvtep->next; | |
3065 | else | |
3066 | zvni->vteps = zvtep->next; | |
2232a77c | 3067 | |
d62a17ae | 3068 | zvtep->prev = zvtep->next = NULL; |
3069 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3070 | |
d62a17ae | 3071 | return 0; |
2232a77c | 3072 | } |
3073 | ||
3074 | /* | |
3075 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3076 | * uninstall from kernel if asked to. | |
3077 | */ | |
d62a17ae | 3078 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3079 | { |
d62a17ae | 3080 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3081 | |
d62a17ae | 3082 | if (!zvni) |
3083 | return -1; | |
2232a77c | 3084 | |
d62a17ae | 3085 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3086 | zvtep_next = zvtep->next; | |
3087 | if (uninstall) | |
3088 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3089 | zvni_vtep_del(zvni, zvtep); | |
3090 | } | |
2232a77c | 3091 | |
d62a17ae | 3092 | return 0; |
2232a77c | 3093 | } |
3094 | ||
3095 | /* | |
3096 | * Install remote VTEP into the kernel. | |
3097 | */ | |
d62a17ae | 3098 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3099 | { |
d62a17ae | 3100 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3101 | } |
3102 | ||
3103 | /* | |
3104 | * Uninstall remote VTEP from the kernel. | |
3105 | */ | |
d62a17ae | 3106 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3107 | { |
d62a17ae | 3108 | if (!zvni->vxlan_if) { |
9df414fe QY |
3109 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3110 | zvni->vni, zvni); | |
d62a17ae | 3111 | return -1; |
3112 | } | |
2232a77c | 3113 | |
d62a17ae | 3114 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3115 | } |
3116 | ||
3117 | /* | |
3118 | * Cleanup VNI/VTEP and update kernel | |
3119 | */ | |
84915b0a | 3120 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3121 | { |
b7cfce93 MK |
3122 | zebra_vni_t *zvni = NULL; |
3123 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3124 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3125 | |
d62a17ae | 3126 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3127 | |
b7cfce93 | 3128 | /* remove from l3-vni list */ |
84915b0a | 3129 | if (zvrf->l3vni) |
3130 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3131 | if (zl3vni) |
3132 | listnode_delete(zl3vni->l2vnis, zvni); | |
3133 | ||
d62a17ae | 3134 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3135 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3136 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3137 | |
d62a17ae | 3138 | /* Free up all remote VTEPs, if any. */ |
3139 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3140 | |
d62a17ae | 3141 | /* Delete the hash entry. */ |
2853fed6 | 3142 | zvni_del(zvni); |
2232a77c | 3143 | } |
3144 | ||
655b04d1 | 3145 | /* cleanup L3VNI */ |
996c9314 | 3146 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3147 | { |
3148 | zebra_l3vni_t *zl3vni = NULL; | |
3149 | ||
3150 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3151 | |
3152 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3153 | } | |
3154 | ||
85442b09 | 3155 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3156 | struct prefix *host) |
5e1b0650 DS |
3157 | { |
3158 | struct host_rb_entry lookup; | |
3159 | struct host_rb_entry *hle; | |
3160 | ||
3161 | memset(&lookup, 0, sizeof(lookup)); | |
3162 | memcpy(&lookup.p, host, sizeof(*host)); | |
3163 | ||
85442b09 | 3164 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3165 | if (hle) |
3166 | return; | |
3167 | ||
3168 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3169 | memcpy(hle, &lookup, sizeof(lookup)); | |
3170 | ||
85442b09 | 3171 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3172 | } |
3173 | ||
85442b09 | 3174 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3175 | { |
3176 | struct host_rb_entry lookup; | |
3177 | struct host_rb_entry *hle; | |
3178 | ||
3179 | memset(&lookup, 0, sizeof(lookup)); | |
3180 | memcpy(&lookup.p, host, sizeof(*host)); | |
3181 | ||
85442b09 | 3182 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3183 | if (hle) { |
85442b09 | 3184 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3185 | XFREE(MTYPE_HOST_PREFIX, hle); |
3186 | } | |
5e1b0650 DS |
3187 | |
3188 | return; | |
3189 | } | |
3190 | ||
b7cfce93 MK |
3191 | /* |
3192 | * Look up MAC hash entry. | |
3193 | */ | |
2dbad57f | 3194 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3195 | struct ethaddr *rmac) |
3196 | { | |
3197 | zebra_mac_t tmp; | |
3198 | zebra_mac_t *pmac; | |
3199 | ||
3200 | memset(&tmp, 0, sizeof(tmp)); | |
3201 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3202 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3203 | |
b7cfce93 | 3204 | return pmac; |
2dbad57f | 3205 | } |
2232a77c | 3206 | |
cec2e17d | 3207 | /* |
b7cfce93 | 3208 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3209 | */ |
2dbad57f | 3210 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3211 | { |
b7cfce93 MK |
3212 | const zebra_mac_t *tmp_rmac = p; |
3213 | zebra_mac_t *zrmac; | |
d62a17ae | 3214 | |
b7cfce93 MK |
3215 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3216 | *zrmac = *tmp_rmac; | |
d62a17ae | 3217 | |
b7cfce93 | 3218 | return ((void *)zrmac); |
2dbad57f | 3219 | } |
cd233079 | 3220 | |
b7cfce93 MK |
3221 | /* |
3222 | * Add RMAC entry to l3-vni | |
3223 | */ | |
996c9314 | 3224 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3225 | { |
3226 | zebra_mac_t tmp_rmac; | |
3227 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3228 | |
b7cfce93 MK |
3229 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3230 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3231 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3232 | assert(zrmac); | |
d62a17ae | 3233 | |
85442b09 | 3234 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3235 | |
2dbad57f | 3236 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3237 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3238 | ||
b7cfce93 | 3239 | return zrmac; |
2dbad57f | 3240 | } |
cec2e17d | 3241 | |
3242 | /* | |
b7cfce93 | 3243 | * Delete MAC entry. |
cec2e17d | 3244 | */ |
996c9314 | 3245 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3246 | { |
b7cfce93 | 3247 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3248 | struct host_rb_entry *hle; |
cd233079 | 3249 | |
85442b09 DS |
3250 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3251 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3252 | |
85442b09 | 3253 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3254 | XFREE(MTYPE_HOST_PREFIX, hle); |
3255 | } | |
cd233079 | 3256 | |
b7cfce93 MK |
3257 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3258 | if (tmp_rmac) | |
3259 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3260 | |
b7cfce93 | 3261 | return 0; |
2dbad57f | 3262 | } |
cec2e17d | 3263 | |
3264 | /* | |
b7cfce93 | 3265 | * Install remote RMAC into the kernel. |
cec2e17d | 3266 | */ |
996c9314 | 3267 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3268 | { |
b7cfce93 MK |
3269 | struct zebra_if *zif = NULL; |
3270 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3271 | |
996c9314 LB |
3272 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3273 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3274 | return 0; |
3275 | ||
3276 | zif = zl3vni->vxlan_if->info; | |
3277 | if (!zif) | |
3278 | return -1; | |
3279 | ||
3280 | vxl = &zif->l2info.vxl; | |
3281 | ||
3282 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3283 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3284 | } |
b7cfce93 MK |
3285 | |
3286 | /* | |
3287 | * Uninstall remote RMAC from the kernel. | |
3288 | */ | |
996c9314 | 3289 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3290 | { |
3291 | char buf[ETHER_ADDR_STRLEN]; | |
3292 | struct zebra_if *zif = NULL; | |
3293 | struct zebra_l2info_vxlan *vxl = NULL; | |
3294 | ||
996c9314 LB |
3295 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3296 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3297 | return 0; |
3298 | ||
3299 | if (!zl3vni->vxlan_if) { | |
9df414fe | 3300 | zlog_debug( |
996c9314 LB |
3301 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3302 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3303 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3304 | return -1; |
3305 | } | |
3306 | ||
3307 | zif = zl3vni->vxlan_if->info; | |
3308 | if (!zif) | |
3309 | return -1; | |
3310 | ||
3311 | vxl = &zif->l2info.vxl; | |
3312 | ||
3313 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 3314 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 3315 | } |
3316 | ||
3317 | /* handle rmac add */ | |
996c9314 | 3318 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3319 | struct ipaddr *vtep_ip, |
3320 | struct prefix *host_prefix) | |
2dbad57f | 3321 | { |
3322 | char buf[ETHER_ADDR_STRLEN]; | |
3323 | char buf1[INET6_ADDRSTRLEN]; | |
3324 | zebra_mac_t *zrmac = NULL; | |
3325 | ||
3326 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3327 | if (!zrmac) { | |
3328 | ||
3329 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3330 | if (!zrmac) { | |
9df414fe | 3331 | zlog_debug( |
2dbad57f | 3332 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
3333 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3334 | zl3vni->vni, | |
3335 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3336 | return -1; |
3337 | } | |
3338 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3339 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3340 | ||
3341 | /* install rmac in kernel */ | |
3342 | zl3vni_rmac_install(zl3vni, zrmac); | |
3343 | } | |
6134fd82 | 3344 | |
41db76c2 | 3345 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3346 | |
2dbad57f | 3347 | return 0; |
3348 | } | |
3349 | ||
3350 | ||
3351 | /* handle rmac delete */ | |
22e63104 | 3352 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3353 | struct prefix *host_prefix) |
2dbad57f | 3354 | { |
41db76c2 | 3355 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3356 | |
85442b09 | 3357 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3358 | /* uninstall from kernel */ |
3359 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3360 | ||
3361 | /* del the rmac entry */ | |
3362 | zl3vni_rmac_del(zl3vni, zrmac); | |
3363 | } | |
2dbad57f | 3364 | } |
b7cfce93 MK |
3365 | |
3366 | /* | |
3367 | * Look up nh hash entry on a l3-vni. | |
3368 | */ | |
996c9314 | 3369 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3370 | { |
3371 | zebra_neigh_t tmp; | |
3372 | zebra_neigh_t *n; | |
3373 | ||
3374 | memset(&tmp, 0, sizeof(tmp)); | |
3375 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3376 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3377 | ||
3378 | return n; | |
2dbad57f | 3379 | } |
b7cfce93 MK |
3380 | |
3381 | ||
3382 | /* | |
3383 | * Callback to allocate NH hash entry on L3-VNI. | |
3384 | */ | |
2dbad57f | 3385 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3386 | { |
3387 | const zebra_neigh_t *tmp_n = p; | |
3388 | zebra_neigh_t *n; | |
3389 | ||
3390 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3391 | *n = *tmp_n; | |
3392 | ||
3393 | return ((void *)n); | |
2dbad57f | 3394 | } |
b7cfce93 MK |
3395 | |
3396 | /* | |
3397 | * Add neighbor entry. | |
3398 | */ | |
996c9314 | 3399 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3400 | struct ethaddr *mac) |
3401 | { | |
3402 | zebra_neigh_t tmp_n; | |
3403 | zebra_neigh_t *n = NULL; | |
3404 | ||
3405 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3406 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3407 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3408 | assert(n); | |
3409 | ||
85442b09 | 3410 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3411 | |
b7cfce93 | 3412 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3413 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3414 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3415 | |
3416 | return n; | |
2dbad57f | 3417 | } |
b7cfce93 MK |
3418 | |
3419 | /* | |
3420 | * Delete neighbor entry. | |
3421 | */ | |
996c9314 | 3422 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3423 | { |
3424 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3425 | struct host_rb_entry *hle; |
b7cfce93 | 3426 | |
85442b09 DS |
3427 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3428 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3429 | |
85442b09 | 3430 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3431 | XFREE(MTYPE_HOST_PREFIX, hle); |
3432 | } | |
55aabf6f | 3433 | |
b7cfce93 MK |
3434 | tmp_n = hash_release(zl3vni->nh_table, n); |
3435 | if (tmp_n) | |
3436 | XFREE(MTYPE_NEIGH, tmp_n); | |
3437 | ||
3438 | return 0; | |
2dbad57f | 3439 | } |
b7cfce93 MK |
3440 | |
3441 | /* | |
3442 | * Install remote nh as neigh into the kernel. | |
3443 | */ | |
996c9314 | 3444 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3445 | { |
f7dae312 | 3446 | #ifdef GNU_LINUX |
68e33151 | 3447 | uint8_t flags; |
f7dae312 | 3448 | #endif |
68e33151 CS |
3449 | int ret = 0; |
3450 | ||
b7cfce93 MK |
3451 | if (!is_l3vni_oper_up(zl3vni)) |
3452 | return -1; | |
3453 | ||
996c9314 LB |
3454 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3455 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3456 | return 0; |
68e33151 CS |
3457 | #ifdef GNU_LINUX |
3458 | flags = NTF_EXT_LEARNED; | |
3459 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3460 | flags |= NTF_ROUTER; | |
3461 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3462 | #endif | |
3463 | return ret; | |
2dbad57f | 3464 | } |
b7cfce93 MK |
3465 | |
3466 | /* | |
3467 | * Uninstall remote nh from the kernel. | |
3468 | */ | |
996c9314 | 3469 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3470 | { |
996c9314 LB |
3471 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3472 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3473 | return 0; |
3474 | ||
fa409e1e | 3475 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3476 | return 0; | |
3477 | ||
b7cfce93 | 3478 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3479 | } |
3480 | ||
3481 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3482 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3483 | struct ethaddr *rmac, |
3484 | struct prefix *host_prefix) | |
2dbad57f | 3485 | { |
3486 | char buf[ETHER_ADDR_STRLEN]; | |
3487 | char buf1[INET6_ADDRSTRLEN]; | |
3488 | zebra_neigh_t *nh = NULL; | |
3489 | ||
3490 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3491 | if (!nh) { | |
3492 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3493 | if (!nh) { | |
3494 | ||
9df414fe | 3495 | zlog_debug( |
2dbad57f | 3496 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
3497 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3498 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3499 | zl3vni->vni); |
3500 | return -1; | |
3501 | } | |
3502 | ||
3503 | /* install the nh neigh in kernel */ | |
3504 | zl3vni_nh_install(zl3vni, nh); | |
3505 | } | |
6134fd82 | 3506 | |
f2a503f0 | 3507 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3508 | |
2dbad57f | 3509 | return 0; |
3510 | } | |
3511 | ||
3512 | /* handle nh neigh delete */ | |
22e63104 | 3513 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3514 | struct prefix *host_prefix) | |
2dbad57f | 3515 | { |
f2a503f0 | 3516 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3517 | |
85442b09 | 3518 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3519 | /* uninstall from kernel */ |
3520 | zl3vni_nh_uninstall(zl3vni, nh); | |
3521 | ||
3522 | /* delete the nh entry */ | |
3523 | zl3vni_nh_del(zl3vni, nh); | |
3524 | } | |
2dbad57f | 3525 | } |
b7cfce93 | 3526 | |
3bcbba10 | 3527 | /* handle neigh update from kernel - the only thing of interest is to |
3528 | * readd stale entries. | |
3529 | */ | |
996c9314 | 3530 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3531 | uint16_t state) |
3bcbba10 | 3532 | { |
c05a738b | 3533 | #ifdef GNU_LINUX |
3bcbba10 | 3534 | zebra_neigh_t *n = NULL; |
3535 | ||
3536 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3537 | if (!n) | |
3538 | return 0; | |
3539 | ||
3540 | /* all next hop neigh are remote and installed by frr. | |
3541 | * If the kernel has aged this entry, re-install. | |
3542 | */ | |
3543 | if (state & NUD_STALE) | |
3544 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3545 | #endif |
3bcbba10 | 3546 | return 0; |
3547 | } | |
3548 | ||
8c9b80b9 | 3549 | /* handle neigh delete from kernel */ |
996c9314 | 3550 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3551 | { |
3552 | zebra_neigh_t *n = NULL; | |
3553 | ||
3554 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3555 | if (!n) | |
3556 | return 0; | |
3557 | ||
3558 | /* all next hop neigh are remote and installed by frr. | |
3559 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3560 | * install it back |
3561 | */ | |
8c9b80b9 MK |
3562 | zl3vni_nh_install(zl3vni, n); |
3563 | ||
3564 | return 0; | |
3565 | } | |
3566 | ||
b7cfce93 MK |
3567 | /* |
3568 | * Hash function for L3 VNI. | |
3569 | */ | |
3570 | static unsigned int l3vni_hash_keymake(void *p) | |
3571 | { | |
3572 | const zebra_l3vni_t *zl3vni = p; | |
3573 | ||
3574 | return jhash_1word(zl3vni->vni, 0); | |
3575 | } | |
3576 | ||
3577 | /* | |
3578 | * Compare 2 L3 VNI hash entries. | |
3579 | */ | |
3580 | static int l3vni_hash_cmp(const void *p1, const void *p2) | |
3581 | { | |
3582 | const zebra_l3vni_t *zl3vni1 = p1; | |
3583 | const zebra_l3vni_t *zl3vni2 = p2; | |
3584 | ||
3585 | return (zl3vni1->vni == zl3vni2->vni); | |
3586 | } | |
3587 | ||
3588 | /* | |
3589 | * Callback to allocate L3 VNI hash entry. | |
3590 | */ | |
3591 | static void *zl3vni_alloc(void *p) | |
3592 | { | |
3593 | zebra_l3vni_t *zl3vni = NULL; | |
3594 | const zebra_l3vni_t *tmp_l3vni = p; | |
3595 | ||
3596 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3597 | zl3vni->vni = tmp_l3vni->vni; | |
3598 | return ((void *)zl3vni); | |
3599 | } | |
3600 | ||
3601 | /* | |
3602 | * Look up L3 VNI hash entry. | |
3603 | */ | |
3604 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3605 | { | |
3606 | struct zebra_ns *zns; | |
3607 | zebra_l3vni_t tmp_l3vni; | |
3608 | zebra_l3vni_t *zl3vni = NULL; | |
3609 | ||
3610 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3611 | assert(zns); | |
3612 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); | |
3613 | tmp_l3vni.vni = vni; | |
3614 | zl3vni = hash_lookup(zns->l3vni_table, &tmp_l3vni); | |
3615 | ||
3616 | return zl3vni; | |
3617 | } | |
3618 | ||
3619 | /* | |
3620 | * Add L3 VNI hash entry. | |
3621 | */ | |
3622 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3623 | { | |
3624 | zebra_l3vni_t tmp_zl3vni; | |
3625 | struct zebra_ns *zns = NULL; | |
3626 | zebra_l3vni_t *zl3vni = NULL; | |
3627 | ||
3628 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3629 | assert(zns); | |
3630 | ||
3631 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); | |
3632 | tmp_zl3vni.vni = vni; | |
3633 | ||
3634 | zl3vni = hash_get(zns->l3vni_table, &tmp_zl3vni, zl3vni_alloc); | |
3635 | assert(zl3vni); | |
3636 | ||
3637 | zl3vni->vrf_id = vrf_id; | |
3638 | zl3vni->svi_if = NULL; | |
3639 | zl3vni->vxlan_if = NULL; | |
3640 | zl3vni->l2vnis = list_new(); | |
3641 | zl3vni->l2vnis->cmp = (int (*)(void *, void *))vni_hash_cmp; | |
3642 | ||
3643 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3644 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3645 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3646 | |
3647 | /* Create hash table for neighbors */ | |
3648 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3649 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3650 | |
3651 | return zl3vni; | |
3652 | } | |
3653 | ||
3654 | /* | |
3655 | * Delete L3 VNI hash entry. | |
3656 | */ | |
3657 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3658 | { | |
3659 | struct zebra_ns *zns; | |
3660 | zebra_l3vni_t *tmp_zl3vni; | |
3661 | ||
3662 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3663 | assert(zns); | |
3664 | ||
3665 | /* free the list of l2vnis */ | |
3666 | list_delete_and_null(&zl3vni->l2vnis); | |
3667 | zl3vni->l2vnis = NULL; | |
3668 | ||
3669 | /* Free the rmac table */ | |
3670 | hash_free(zl3vni->rmac_table); | |
3671 | zl3vni->rmac_table = NULL; | |
3672 | ||
3673 | /* Free the nh table */ | |
3674 | hash_free(zl3vni->nh_table); | |
3675 | zl3vni->nh_table = NULL; | |
3676 | ||
3677 | /* Free the VNI hash entry and allocated memory. */ | |
3678 | tmp_zl3vni = hash_release(zns->l3vni_table, zl3vni); | |
3679 | if (tmp_zl3vni) | |
3680 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3681 | ||
3682 | return 0; | |
3683 | } | |
3684 | ||
b7cfce93 MK |
3685 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3686 | { | |
3687 | struct zebra_ns *zns = NULL; | |
3688 | struct route_node *rn = NULL; | |
3689 | struct interface *ifp = NULL; | |
3690 | ||
3691 | /* loop through all vxlan-interface */ | |
3692 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3693 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3694 | ||
3695 | struct zebra_if *zif = NULL; | |
3696 | struct zebra_l2info_vxlan *vxl = NULL; | |
3697 | ||
3698 | ifp = (struct interface *)rn->info; | |
3699 | if (!ifp) | |
3700 | continue; | |
3701 | ||
3702 | zif = ifp->info; | |
3703 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3704 | continue; | |
3705 | ||
3706 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3707 | if (vxl->vni == zl3vni->vni) { |
3708 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3709 | return ifp; |
b67a60d2 | 3710 | } |
b7cfce93 MK |
3711 | } |
3712 | ||
3713 | return NULL; | |
3714 | } | |
3715 | ||
3716 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3717 | { | |
996c9314 | 3718 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3719 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3720 | ||
2aeb403d | 3721 | if (!zl3vni) |
3722 | return NULL; | |
3723 | ||
b7cfce93 MK |
3724 | if (!zl3vni->vxlan_if) |
3725 | return NULL; | |
3726 | ||
3727 | zif = zl3vni->vxlan_if->info; | |
3728 | if (!zif) | |
3729 | return NULL; | |
3730 | ||
3731 | vxl = &zif->l2info.vxl; | |
3732 | ||
3733 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3734 | } | |
3735 | ||
3736 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3737 | { | |
3738 | struct zebra_vrf *zvrf = NULL; | |
3739 | ||
3740 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3741 | if (!zvrf) | |
3742 | return NULL; | |
3743 | ||
3744 | return zl3vni_lookup(zvrf->l3vni); | |
3745 | } | |
3746 | ||
3747 | /* | |
3748 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3749 | * neighbor notifications, to see if they are of interest. | |
3750 | */ | |
3751 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3752 | struct interface *br_if) | |
3753 | { | |
3754 | int found = 0; | |
3755 | vlanid_t vid = 0; | |
d7c0a89a | 3756 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3757 | zebra_l3vni_t *zl3vni = NULL; |
3758 | struct zebra_ns *zns = NULL; | |
3759 | struct route_node *rn = NULL; | |
3760 | struct zebra_if *zif = NULL; | |
3761 | struct interface *tmp_if = NULL; | |
3762 | struct zebra_l2info_bridge *br = NULL; | |
3763 | struct zebra_l2info_vxlan *vxl = NULL; | |
3764 | ||
3765 | if (!br_if) | |
3766 | return NULL; | |
3767 | ||
3768 | /* Make sure the linked interface is a bridge. */ | |
3769 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3770 | return NULL; | |
3771 | ||
3772 | /* Determine if bridge is VLAN-aware or not */ | |
3773 | zif = br_if->info; | |
3774 | assert(zif); | |
3775 | br = &zif->l2info.br; | |
3776 | bridge_vlan_aware = br->vlan_aware; | |
3777 | if (bridge_vlan_aware) { | |
3778 | struct zebra_l2info_vlan *vl; | |
3779 | ||
3780 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3781 | return NULL; | |
3782 | ||
3783 | zif = ifp->info; | |
3784 | assert(zif); | |
3785 | vl = &zif->l2info.vl; | |
3786 | vid = vl->vid; | |
3787 | } | |
3788 | ||
3789 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3790 | /* TODO: Optimize with a hash. */ | |
3791 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3792 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3793 | tmp_if = (struct interface *)rn->info; | |
3794 | if (!tmp_if) | |
3795 | continue; | |
3796 | zif = tmp_if->info; | |
3797 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3798 | continue; | |
3799 | if (!if_is_operative(tmp_if)) | |
3800 | continue; | |
3801 | vxl = &zif->l2info.vxl; | |
3802 | ||
3803 | if (zif->brslave_info.br_if != br_if) | |
3804 | continue; | |
3805 | ||
3806 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3807 | found = 1; | |
3808 | break; | |
3809 | } | |
3810 | } | |
3811 | ||
3812 | if (!found) | |
3813 | return NULL; | |
3814 | ||
3815 | zl3vni = zl3vni_lookup(vxl->vni); | |
3816 | return zl3vni; | |
3817 | } | |
3818 | ||
3819 | /* | |
3820 | * Inform BGP about l3-vni. | |
3821 | */ | |
3822 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3823 | { | |
3824 | struct stream *s = NULL; | |
3825 | struct zserv *client = NULL; | |
3826 | struct ethaddr rmac; | |
3827 | char buf[ETHER_ADDR_STRLEN]; | |
3828 | ||
21ccc0cf | 3829 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3830 | /* BGP may not be running. */ |
3831 | if (!client) | |
3832 | return 0; | |
3833 | ||
3834 | /* get the rmac */ | |
3835 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3836 | zl3vni_get_rmac(zl3vni, &rmac); | |
3837 | ||
1002497a | 3838 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3839 | |
996c9314 | 3840 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3841 | stream_putl(s, zl3vni->vni); |
3842 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3843 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3844 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3845 | |
3846 | /* Write packet size. */ | |
3847 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3848 | ||
3849 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3850 | zlog_debug( |
996c9314 LB |
3851 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3852 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3853 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3854 | inet_ntoa(zl3vni->local_vtep_ip), | |
3855 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3856 | ? "prefix-routes-only" | |
3857 | : "none", | |
3858 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3859 | |
3860 | client->l3vniadd_cnt++; | |
21ccc0cf | 3861 | return zserv_send_message(client, s); |
b7cfce93 MK |
3862 | } |
3863 | ||
3864 | /* | |
3865 | * Inform BGP about local l3-VNI deletion. | |
3866 | */ | |
3867 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3868 | { | |
3869 | struct stream *s = NULL; | |
3870 | struct zserv *client = NULL; | |
3871 | ||
21ccc0cf | 3872 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3873 | /* BGP may not be running. */ |
3874 | if (!client) | |
3875 | return 0; | |
3876 | ||
1002497a | 3877 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3878 | |
996c9314 | 3879 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3880 | stream_putl(s, zl3vni->vni); |
3881 | ||
3882 | /* Write packet size. */ | |
3883 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3884 | ||
3885 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3886 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3887 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3888 | zebra_route_string(client->proto)); | |
3889 | ||
3890 | client->l3vnidel_cnt++; | |
21ccc0cf | 3891 | return zserv_send_message(client, s); |
b7cfce93 MK |
3892 | } |
3893 | ||
3894 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3895 | { | |
2aeb403d | 3896 | if (!zl3vni) |
3897 | return; | |
3898 | ||
b7cfce93 MK |
3899 | /* send l3vni add to BGP */ |
3900 | zl3vni_send_add_to_client(zl3vni); | |
3901 | } | |
3902 | ||
3903 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3904 | { | |
2aeb403d | 3905 | if (!zl3vni) |
3906 | return; | |
3907 | ||
b7cfce93 MK |
3908 | /* send l3-vni del to BGP*/ |
3909 | zl3vni_send_del_to_client(zl3vni); | |
3910 | } | |
3911 | ||
996c9314 | 3912 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3913 | { |
996c9314 LB |
3914 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3915 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3916 | |
3917 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3918 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3919 | } | |
3920 | ||
b7cfce93 MK |
3921 | /* |
3922 | * handle transition of vni from l2 to l3 and vice versa | |
3923 | */ | |
996c9314 LB |
3924 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3925 | int add) | |
b7cfce93 MK |
3926 | { |
3927 | zebra_vni_t *zvni = NULL; | |
3928 | ||
3929 | /* There is a possibility that VNI notification was already received | |
3930 | * from kernel and we programmed it as L2-VNI | |
3931 | * In such a case we need to delete this L2-VNI first, so | |
3932 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3933 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3934 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3935 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3936 | */ | |
b7cfce93 MK |
3937 | if (add) { |
3938 | /* Locate hash entry */ | |
3939 | zvni = zvni_lookup(vni); | |
3940 | if (!zvni) | |
3941 | return 0; | |
3942 | ||
3943 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3944 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3945 | |
3946 | /* Delete VNI from BGP. */ | |
3947 | zvni_send_del_to_client(zvni->vni); | |
3948 | ||
3949 | /* Free up all neighbors and MAC, if any. */ | |
3950 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3951 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3952 | ||
3953 | /* Free up all remote VTEPs, if any. */ | |
3954 | zvni_vtep_del_all(zvni, 0); | |
3955 | ||
3956 | /* Delete the hash entry. */ | |
3957 | if (zvni_del(zvni)) { | |
e914ccbe | 3958 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
3959 | "Failed to del VNI hash %p, VNI %u", zvni, |
3960 | zvni->vni); | |
b7cfce93 MK |
3961 | return -1; |
3962 | } | |
3963 | } else { | |
3964 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3965 | * enough information at this point to reprogram the vni as | |
3966 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3967 | * used it solely for this purpose |
3968 | */ | |
b7cfce93 MK |
3969 | } |
3970 | ||
3971 | return 0; | |
3972 | } | |
3973 | ||
5e06422c | 3974 | /* delete and uninstall rmac hash entry */ |
996c9314 | 3975 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3976 | { |
3977 | zebra_mac_t *zrmac = NULL; | |
3978 | zebra_l3vni_t *zl3vni = NULL; | |
3979 | ||
3980 | zrmac = (zebra_mac_t *)backet->data; | |
3981 | zl3vni = (zebra_l3vni_t *)ctx; | |
3982 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3983 | zl3vni_rmac_del(zl3vni, zrmac); | |
3984 | } | |
3985 | ||
3986 | /* delete and uninstall nh hash entry */ | |
996c9314 | 3987 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
3988 | { |
3989 | zebra_neigh_t *n = NULL; | |
3990 | zebra_l3vni_t *zl3vni = NULL; | |
3991 | ||
3992 | n = (zebra_neigh_t *)backet->data; | |
3993 | zl3vni = (zebra_l3vni_t *)ctx; | |
3994 | zl3vni_nh_uninstall(zl3vni, n); | |
3995 | zl3vni_nh_del(zl3vni, n); | |
3996 | } | |
3997 | ||
996c9314 LB |
3998 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
3999 | uint16_t cmd) | |
31310b25 MK |
4000 | { |
4001 | struct zserv *client = NULL; | |
4002 | struct stream *s = NULL; | |
4003 | char buf[PREFIX_STRLEN]; | |
4004 | ||
21ccc0cf | 4005 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
4006 | /* BGP may not be running. */ |
4007 | if (!client) | |
4008 | return 0; | |
4009 | ||
1002497a | 4010 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 4011 | |
22bd3e94 | 4012 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
4013 | stream_put(s, p, sizeof(struct prefix)); |
4014 | ||
4015 | /* Write packet size. */ | |
4016 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4017 | ||
4018 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4019 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
4020 | prefix2str(p, buf, sizeof(buf)), |
4021 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
4022 | vrf_id_to_name(vrf_id)); | |
4023 | ||
4024 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4025 | client->prefixadd_cnt++; | |
4026 | else | |
4027 | client->prefixdel_cnt++; | |
4028 | ||
21ccc0cf | 4029 | return zserv_send_message(client, s); |
31310b25 MK |
4030 | } |
4031 | ||
a9a76262 MK |
4032 | /* re-add remote rmac if needed */ |
4033 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4034 | struct ethaddr *rmac) |
a9a76262 MK |
4035 | { |
4036 | char buf[ETHER_ADDR_STRLEN]; | |
4037 | zebra_mac_t *zrmac = NULL; | |
4038 | ||
4039 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4040 | if (!zrmac) | |
4041 | return 0; | |
4042 | ||
4043 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4044 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4045 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4046 | |
4047 | zl3vni_rmac_install(zl3vni, zrmac); | |
4048 | return 0; | |
4049 | } | |
4050 | ||
f07e1c99 | 4051 | /* Process a remote MACIP add from BGP. */ |
4052 | static void process_remote_macip_add(vni_t vni, | |
4053 | struct ethaddr *macaddr, | |
9df2b997 | 4054 | uint16_t ipa_len, |
f07e1c99 | 4055 | struct ipaddr *ipaddr, |
9df2b997 | 4056 | uint8_t flags, |
f07e1c99 | 4057 | uint32_t seq, |
4058 | struct in_addr vtep_ip) | |
c48d9f5f | 4059 | { |
f07e1c99 | 4060 | zebra_vni_t *zvni; |
4061 | zebra_vtep_t *zvtep; | |
4062 | zebra_mac_t *mac, *old_mac; | |
4063 | zebra_neigh_t *n = NULL; | |
4064 | int update_mac = 0, update_neigh = 0; | |
4065 | char buf[ETHER_ADDR_STRLEN]; | |
4066 | char buf1[INET6_ADDRSTRLEN]; | |
4067 | struct interface *ifp = NULL; | |
4068 | struct zebra_if *zif = NULL; | |
4069 | uint32_t tmp_seq; | |
a37f4598 | 4070 | bool sticky; |
4071 | bool remote_gw; | |
4072 | bool is_router; | |
c48d9f5f | 4073 | |
f07e1c99 | 4074 | /* Locate VNI hash entry - expected to exist. */ |
4075 | zvni = zvni_lookup(vni); | |
4076 | if (!zvni) { | |
4077 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4078 | return; | |
4079 | } | |
2dbad57f | 4080 | |
f07e1c99 | 4081 | ifp = zvni->vxlan_if; |
4082 | if (ifp) | |
4083 | zif = ifp->info; | |
4084 | if (!ifp || | |
4085 | !if_is_operative(ifp) || | |
4086 | !zif || | |
4087 | !zif->brslave_info.br_if) { | |
4088 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4089 | vni); | |
2dbad57f | 4090 | return; |
f07e1c99 | 4091 | } |
2dbad57f | 4092 | |
f07e1c99 | 4093 | /* The remote VTEP specified should normally exist, but it is |
4094 | * possible that when peering comes up, peer may advertise MACIP | |
4095 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4096 | */ |
f07e1c99 | 4097 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4098 | if (!zvtep) { | |
4099 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4100 | flog_err( | |
e914ccbe | 4101 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 4102 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
4103 | vni, zvni); | |
4104 | return; | |
4105 | } | |
2dbad57f | 4106 | |
f07e1c99 | 4107 | zvni_vtep_install(zvni, &vtep_ip); |
4108 | } | |
f50dc5e6 | 4109 | |
a37f4598 | 4110 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4111 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
4112 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 4113 | |
f07e1c99 | 4114 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4115 | |
f07e1c99 | 4116 | /* Ignore if the mac is already present as a gateway mac */ |
4117 | if (mac && | |
4118 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4119 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4120 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4121 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4122 | vni, | |
4123 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4124 | ipa_len ? " IP " : "", | |
4125 | ipa_len ? | |
4126 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4127 | return; |
f07e1c99 | 4128 | } |
2dbad57f | 4129 | |
f07e1c99 | 4130 | /* check if the remote MAC is unknown or has a change. |
4131 | * If so, that needs to be updated first. Note that client could | |
4132 | * install MAC and MACIP separately or just install the latter. | |
4133 | */ | |
4134 | if (!mac | |
4135 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 4136 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
4137 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 4138 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
4139 | || seq != mac->rem_seq) | |
4140 | update_mac = 1; | |
4141 | ||
4142 | if (update_mac) { | |
4143 | if (!mac) { | |
4144 | mac = zvni_mac_add(zvni, macaddr); | |
4145 | if (!mac) { | |
4146 | zlog_warn( | |
4147 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4148 | prefix_mac2str(macaddr, buf, | |
4149 | sizeof(buf)), | |
4150 | vni, inet_ntoa(vtep_ip)); | |
4151 | return; | |
4152 | } | |
4153 | ||
4154 | /* Is this MAC created for a MACIP? */ | |
4155 | if (ipa_len) | |
4156 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4157 | } else { | |
4158 | const char *mac_type; | |
4159 | ||
4160 | /* When host moves but changes its (MAC,IP) | |
4161 | * binding, BGP may install a MACIP entry that | |
4162 | * corresponds to "older" location of the host | |
4163 | * in transient situations (because {IP1,M1} | |
4164 | * is a different route from {IP1,M2}). Check | |
4165 | * the sequence number and ignore this update | |
4166 | * if appropriate. | |
4167 | */ | |
4168 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4169 | tmp_seq = mac->loc_seq; | |
4170 | mac_type = "local"; | |
4171 | } else { | |
4172 | tmp_seq = mac->rem_seq; | |
4173 | mac_type = "remote"; | |
4174 | } | |
4175 | if (seq < tmp_seq) { | |
4176 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4177 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4178 | vni, | |
4179 | prefix_mac2str(macaddr, | |
4180 | buf, sizeof(buf)), | |
4181 | ipa_len ? " IP " : "", | |
4182 | ipa_len ? | |
4183 | ipaddr2str(ipaddr, | |
4184 | buf1, sizeof(buf1)) : "", | |
4185 | mac_type, | |
4186 | tmp_seq); | |
4187 | return; | |
4188 | } | |
4189 | } | |
4190 | ||
4191 | /* Set "auto" and "remote" forwarding info. */ | |
4192 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4193 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4194 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4195 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4196 | ||
4197 | if (sticky) | |
4198 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4199 | else | |
4200 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4201 | ||
4202 | if (remote_gw) | |
4203 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4204 | else | |
4205 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4206 | ||
4207 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
4208 | ||
4209 | /* Install the entry. */ | |
4210 | zvni_mac_install(zvni, mac); | |
4211 | } | |
4212 | ||
4213 | /* Update seq number. */ | |
4214 | mac->rem_seq = seq; | |
4215 | ||
4216 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4217 | if (!ipa_len) { | |
4218 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4219 | return; | |
4220 | } | |
4221 | ||
4222 | /* Check if the remote neighbor itself is unknown or has a | |
4223 | * change. If so, create or update and then install the entry. | |
4224 | */ | |
4225 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4226 | if (!n | |
4227 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 4228 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 4229 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
4230 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
4231 | || seq != n->rem_seq) | |
4232 | update_neigh = 1; | |
4233 | ||
4234 | if (update_neigh) { | |
4235 | if (!n) { | |
4236 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4237 | if (!n) { | |
4238 | zlog_warn( | |
4239 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4240 | ipaddr2str(ipaddr, buf1, | |
4241 | sizeof(buf1)), | |
4242 | prefix_mac2str(macaddr, buf, | |
4243 | sizeof(buf)), | |
4244 | vni, inet_ntoa(vtep_ip)); | |
4245 | return; | |
4246 | } | |
4247 | ||
4248 | } else { | |
4249 | const char *n_type; | |
4250 | ||
4251 | /* When host moves but changes its (MAC,IP) | |
4252 | * binding, BGP may install a MACIP entry that | |
4253 | * corresponds to "older" location of the host | |
4254 | * in transient situations (because {IP1,M1} | |
4255 | * is a different route from {IP1,M2}). Check | |
4256 | * the sequence number and ignore this update | |
4257 | * if appropriate. | |
4258 | */ | |
4259 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4260 | tmp_seq = n->loc_seq; | |
4261 | n_type = "local"; | |
4262 | } else { | |
4263 | tmp_seq = n->rem_seq; | |
4264 | n_type = "remote"; | |
4265 | } | |
4266 | if (seq < tmp_seq) { | |
4267 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4268 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4269 | vni, | |
4270 | prefix_mac2str(macaddr, | |
4271 | buf, sizeof(buf)), | |
4272 | ipa_len ? " IP " : "", | |
4273 | ipa_len ? | |
4274 | ipaddr2str(ipaddr, | |
4275 | buf1, sizeof(buf1)) : "", | |
4276 | n_type, | |
4277 | tmp_seq); | |
4278 | return; | |
4279 | } | |
4280 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4281 | /* MAC change, send a delete for old | |
4282 | * neigh if learnt locally. | |
4283 | */ | |
4284 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4285 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4286 | zvni_neigh_send_del_to_client( | |
4287 | zvni->vni, &n->ip, | |
4288 | &n->emac, 0); | |
4289 | ||
4290 | /* update neigh list for macs */ | |
4291 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4292 | if (old_mac) { | |
4293 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 4294 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 4295 | } |
4296 | listnode_add_sort(mac->neigh_list, n); | |
4297 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4298 | } | |
4299 | } | |
4300 | ||
4301 | /* Set "remote" forwarding info. */ | |
4302 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4303 | n->r_vtep_ip = vtep_ip; | |
4304 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4305 | ||
4306 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4307 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4308 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4309 | else |
4310 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4311 | |
4312 | /* Install the entry. */ | |
4313 | zvni_neigh_install(zvni, n); | |
4314 | } | |
4315 | ||
4316 | /* Update seq number. */ | |
4317 | n->rem_seq = seq; | |
4318 | } | |
4319 | ||
4320 | /* Process a remote MACIP delete from BGP. */ | |
4321 | static void process_remote_macip_del(vni_t vni, | |
4322 | struct ethaddr *macaddr, | |
9df2b997 | 4323 | uint16_t ipa_len, |
f07e1c99 | 4324 | struct ipaddr *ipaddr, |
4325 | struct in_addr vtep_ip) | |
4326 | { | |
4327 | zebra_vni_t *zvni; | |
4328 | zebra_mac_t *mac = NULL; | |
4329 | zebra_neigh_t *n = NULL; | |
4330 | struct interface *ifp = NULL; | |
4331 | struct zebra_if *zif = NULL; | |
4332 | char buf[ETHER_ADDR_STRLEN]; | |
4333 | char buf1[INET6_ADDRSTRLEN]; | |
4334 | ||
4335 | /* Locate VNI hash entry - expected to exist. */ | |
4336 | zvni = zvni_lookup(vni); | |
4337 | if (!zvni) { | |
4338 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4339 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4340 | return; | |
4341 | } | |
4342 | ||
4343 | ifp = zvni->vxlan_if; | |
4344 | if (ifp) | |
4345 | zif = ifp->info; | |
4346 | if (!ifp || | |
4347 | !if_is_operative(ifp) || | |
4348 | !zif || | |
4349 | !zif->brslave_info.br_if) { | |
4350 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4351 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4352 | vni); | |
4353 | return; | |
4354 | } | |
4355 | ||
4356 | /* The remote VTEP specified is normally expected to exist, but | |
4357 | * it is possible that the peer may delete the VTEP before deleting | |
4358 | * any MACs referring to the VTEP, in which case the handler (see | |
4359 | * remote_vtep_del) would have already deleted the MACs. | |
4360 | */ | |
4361 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4362 | return; | |
4363 | ||
4364 | mac = zvni_mac_lookup(zvni, macaddr); | |
4365 | if (ipa_len) | |
4366 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4367 | ||
4368 | if (n && !mac) { | |
4369 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4370 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4371 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4372 | return; | |
4373 | } | |
4374 | ||
4375 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4376 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4377 | */ | |
4378 | if (!mac && !n) | |
4379 | return; | |
4380 | ||
4381 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4382 | if (mac | |
4383 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4384 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4385 | zlog_warn( | |
4386 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4387 | vni, | |
4388 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4389 | ipa_len ? " IP " : "", | |
4390 | ipa_len ? | |
4391 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4392 | return; | |
4393 | } | |
4394 | ||
4395 | /* Uninstall remote neighbor or MAC. */ | |
4396 | if (n) { | |
4397 | /* When the MAC changes for an IP, it is possible the | |
4398 | * client may update the new MAC before trying to delete the | |
4399 | * "old" neighbor (as these are two different MACIP routes). | |
4400 | * Do the delete only if the MAC matches. | |
4401 | */ | |
4402 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4403 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4404 | zvni_neigh_uninstall(zvni, n); | |
4405 | zvni_neigh_del(zvni, n); | |
fe697c6b | 4406 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 4407 | } |
4408 | } else { | |
4409 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4410 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
4411 | ||
fe697c6b | 4412 | /* If all remote neighbors referencing a remote MAC |
4413 | * go away, we need to uninstall the MAC. | |
4414 | */ | |
4415 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 4416 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 4417 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
4418 | } | |
4419 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 4420 | zvni_mac_del(zvni, mac); |
fe697c6b | 4421 | else |
f07e1c99 | 4422 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
4423 | } | |
4424 | } | |
4425 | } | |
4426 | ||
4427 | ||
b7cfce93 MK |
4428 | /* Public functions */ |
4429 | ||
c48d9f5f MK |
4430 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4431 | { | |
4432 | zebra_l3vni_t *zl3vni = NULL; | |
4433 | ||
4434 | zl3vni = zl3vni_lookup(vni); | |
4435 | if (!zl3vni) | |
4436 | return 0; | |
4437 | ||
4438 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4439 | } | |
4440 | ||
2dbad57f | 4441 | /* handle evpn route in vrf table */ |
996c9314 LB |
4442 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4443 | struct ipaddr *vtep_ip, | |
4444 | struct prefix *host_prefix) | |
2dbad57f | 4445 | { |
4446 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4447 | struct ipaddr ipv4_vtep; |
2dbad57f | 4448 | |
4449 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4450 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4451 | return; | |
4452 | ||
3518f352 | 4453 | /* |
f50dc5e6 MK |
4454 | * add the next hop neighbor - |
4455 | * neigh to be installed is the ipv6 nexthop neigh | |
4456 | */ | |
3518f352 | 4457 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4458 | |
f50dc5e6 MK |
4459 | /* |
4460 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4461 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4462 | * support ipv4 tunnels in the h/w right now | |
4463 | */ | |
4464 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4465 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4466 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4467 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4468 | &(ipv4_vtep.ipaddr_v4)); | |
4469 | else | |
4470 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4471 | sizeof(struct in_addr)); | |
4472 | ||
3518f352 DS |
4473 | /* |
4474 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4475 | * nexthop address |
4476 | */ | |
3518f352 | 4477 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4478 | } |
4479 | ||
4480 | /* handle evpn vrf route delete */ | |
22e63104 | 4481 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4482 | struct ipaddr *vtep_ip, |
4483 | struct prefix *host_prefix) | |
2dbad57f | 4484 | { |
4485 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4486 | zebra_neigh_t *nh = NULL; |
4487 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4488 | |
4489 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4490 | if (!zl3vni) |
2dbad57f | 4491 | return; |
4492 | ||
22e63104 | 4493 | /* find the next hop entry and rmac entry */ |
4494 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4495 | if (!nh) | |
4496 | return; | |
4497 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4498 | ||
2dbad57f | 4499 | /* delete the next hop entry */ |
22e63104 | 4500 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4501 | |
4502 | /* delete the rmac entry */ | |
22e63104 | 4503 | if (zrmac) |
4504 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4505 | ||
2dbad57f | 4506 | } |
4507 | ||
996c9314 | 4508 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4509 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4510 | { |
4511 | zebra_l3vni_t *zl3vni = NULL; | |
4512 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4513 | json_object *json = NULL; |
9aa741ea | 4514 | |
316f4ca4 MK |
4515 | if (!is_evpn_enabled()) { |
4516 | if (use_json) | |
4517 | vty_out(vty, "{}\n"); | |
9aa741ea | 4518 | return; |
316f4ca4 MK |
4519 | } |
4520 | ||
4521 | if (use_json) | |
4522 | json = json_object_new_object(); | |
9aa741ea MK |
4523 | |
4524 | zl3vni = zl3vni_lookup(l3vni); | |
4525 | if (!zl3vni) { | |
316f4ca4 MK |
4526 | if (use_json) |
4527 | vty_out(vty, "{}\n"); | |
4528 | else | |
996c9314 | 4529 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4530 | return; |
4531 | } | |
4532 | ||
4533 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4534 | if (!zrmac) { | |
316f4ca4 MK |
4535 | if (use_json) |
4536 | vty_out(vty, "{}\n"); | |
4537 | else | |
4538 | vty_out(vty, | |
4539 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4540 | l3vni); | |
9aa741ea MK |
4541 | return; |
4542 | } | |
4543 | ||
316f4ca4 MK |
4544 | zl3vni_print_rmac(zrmac, vty, json); |
4545 | ||
4546 | if (use_json) { | |
4547 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4548 | json, JSON_C_TO_STRING_PRETTY)); | |
4549 | json_object_free(json); | |
4550 | } | |
9aa741ea | 4551 | } |
2dbad57f | 4552 | |
9f049418 | 4553 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4554 | { |
4555 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4556 | uint32_t num_rmacs; |
b7cfce93 MK |
4557 | struct rmac_walk_ctx wctx; |
4558 | json_object *json = NULL; | |
b7cfce93 MK |
4559 | |
4560 | if (!is_evpn_enabled()) | |
4561 | return; | |
4562 | ||
4563 | zl3vni = zl3vni_lookup(l3vni); | |
4564 | if (!zl3vni) { | |
4565 | if (use_json) | |
4566 | vty_out(vty, "{}\n"); | |
4567 | else | |
4568 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4569 | return; | |
4570 | } | |
4571 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4572 | if (!num_rmacs) | |
4573 | return; | |
4574 | ||
75223c9e | 4575 | if (use_json) |
b7cfce93 | 4576 | json = json_object_new_object(); |
b7cfce93 MK |
4577 | |
4578 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4579 | wctx.vty = vty; | |
75223c9e | 4580 | wctx.json = json; |
b7cfce93 | 4581 | if (!use_json) { |
996c9314 | 4582 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4583 | num_rmacs); |
4cce389e | 4584 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4585 | } else |
4586 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4587 | ||
4588 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4589 | ||
4590 | if (use_json) { | |
b7cfce93 MK |
4591 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4592 | json, JSON_C_TO_STRING_PRETTY)); | |
4593 | json_object_free(json); | |
4594 | } | |
4595 | } | |
4596 | ||
9f049418 | 4597 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 MK |
4598 | { |
4599 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4600 | json_object *json = NULL; |
c0b4eaa4 | 4601 | void *args[2]; |
b7cfce93 MK |
4602 | |
4603 | if (!is_evpn_enabled()) { | |
4604 | if (use_json) | |
4605 | vty_out(vty, "{}\n"); | |
4606 | return; | |
4607 | } | |
4608 | ||
4609 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4610 | if (!zns) { |
4611 | if (use_json) | |
4612 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4613 | return; |
c0b4eaa4 | 4614 | } |
b7cfce93 MK |
4615 | |
4616 | if (use_json) | |
4617 | json = json_object_new_object(); | |
4618 | ||
c0b4eaa4 MK |
4619 | args[0] = vty; |
4620 | args[1] = json; | |
4621 | hash_iterate(zns->l3vni_table, | |
4622 | (void (*)(struct hash_backet *, | |
4623 | void *))zl3vni_print_rmac_hash_all_vni, | |
4624 | args); | |
b7cfce93 MK |
4625 | |
4626 | if (use_json) { | |
4627 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4628 | json, JSON_C_TO_STRING_PRETTY)); | |
4629 | json_object_free(json); | |
4630 | } | |
4631 | } | |
4632 | ||
996c9314 | 4633 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4634 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4635 | { |
4636 | zebra_l3vni_t *zl3vni = NULL; | |
4637 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4638 | json_object *json = NULL; |
9aa741ea | 4639 | |
c0e519d3 MK |
4640 | if (!is_evpn_enabled()) { |
4641 | if (use_json) | |
4642 | vty_out(vty, "{}\n"); | |
9aa741ea | 4643 | return; |
c0e519d3 MK |
4644 | } |
4645 | ||
4646 | if (use_json) | |
4647 | json = json_object_new_object(); | |
9aa741ea MK |
4648 | |
4649 | zl3vni = zl3vni_lookup(l3vni); | |
4650 | if (!zl3vni) { | |
c0e519d3 MK |
4651 | if (use_json) |
4652 | vty_out(vty, "{}\n"); | |
4653 | else | |
4654 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4655 | return; |
4656 | } | |
4657 | ||
4658 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4659 | if (!n) { | |
c0e519d3 MK |
4660 | if (use_json) |
4661 | vty_out(vty, "{}\n"); | |
4662 | else | |
4663 | vty_out(vty, | |
4664 | "%% Requested next-hop not present for L3-VNI %u", | |
4665 | l3vni); | |
9aa741ea MK |
4666 | return; |
4667 | } | |
4668 | ||
c0e519d3 MK |
4669 | zl3vni_print_nh(n, vty, json); |
4670 | ||
4671 | if (use_json) { | |
4672 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4673 | json, JSON_C_TO_STRING_PRETTY)); | |
4674 | json_object_free(json); | |
4675 | } | |
9aa741ea MK |
4676 | } |
4677 | ||
9f049418 | 4678 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4679 | { |
d7c0a89a | 4680 | uint32_t num_nh; |
2dbad57f | 4681 | struct nh_walk_ctx wctx; |
b7cfce93 | 4682 | json_object *json = NULL; |
b7cfce93 MK |
4683 | zebra_l3vni_t *zl3vni = NULL; |
4684 | ||
4685 | if (!is_evpn_enabled()) | |
4686 | return; | |
4687 | ||
4688 | zl3vni = zl3vni_lookup(l3vni); | |
4689 | if (!zl3vni) { | |
4690 | if (use_json) | |
4691 | vty_out(vty, "{}\n"); | |
4692 | else | |
4693 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4694 | return; | |
4695 | } | |
4696 | ||
4697 | num_nh = hashcount(zl3vni->nh_table); | |
4698 | if (!num_nh) | |
4699 | return; | |
4700 | ||
9187f600 | 4701 | if (use_json) |
b7cfce93 | 4702 | json = json_object_new_object(); |
b7cfce93 | 4703 | |
2dbad57f | 4704 | wctx.vty = vty; |
9187f600 | 4705 | wctx.json = json; |
b7cfce93 | 4706 | if (!use_json) { |
996c9314 | 4707 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4708 | num_nh); |
4cce389e | 4709 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4710 | } else |
4cce389e | 4711 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4712 | |
4713 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4714 | ||
4715 | if (use_json) { | |
b7cfce93 MK |
4716 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4717 | json, JSON_C_TO_STRING_PRETTY)); | |
4718 | json_object_free(json); | |
4719 | } | |
4720 | } | |
4721 | ||
9f049418 | 4722 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4723 | { |
2dbad57f | 4724 | struct zebra_ns *zns = NULL; |
2dbad57f | 4725 | json_object *json = NULL; |
32798965 | 4726 | void *args[2]; |
2dbad57f | 4727 | |
4728 | if (!is_evpn_enabled()) { | |
4729 | if (use_json) | |
4730 | vty_out(vty, "{}\n"); | |
4731 | return; | |
4732 | } | |
4733 | ||
4734 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4735 | if (!zns) | |
4736 | return; | |
4737 | ||
4738 | if (use_json) | |
4739 | json = json_object_new_object(); | |
4740 | ||
32798965 MK |
4741 | args[0] = vty; |
4742 | args[1] = json; | |
4743 | hash_iterate(zns->l3vni_table, | |
4744 | (void (*)(struct hash_backet *, | |
4745 | void *))zl3vni_print_nh_hash_all_vni, | |
4746 | args); | |
2dbad57f | 4747 | |
4748 | if (use_json) { | |
4749 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4750 | json, JSON_C_TO_STRING_PRETTY)); | |
4751 | json_object_free(json); | |
4752 | } | |
b7cfce93 MK |
4753 | } |
4754 | ||
4755 | /* | |
4756 | * Display L3 VNI information (VTY command handler). | |
4757 | */ | |
9f049418 | 4758 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4759 | { |
4760 | void *args[2]; | |
4761 | json_object *json = NULL; | |
4762 | zebra_l3vni_t *zl3vni = NULL; | |
4763 | ||
b2ee5a13 MK |
4764 | if (!is_evpn_enabled()) { |
4765 | if (use_json) | |
4766 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4767 | return; |
b2ee5a13 | 4768 | } |
b7cfce93 MK |
4769 | |
4770 | zl3vni = zl3vni_lookup(vni); | |
4771 | if (!zl3vni) { | |
4772 | if (use_json) | |
4773 | vty_out(vty, "{}\n"); | |
4774 | else | |
4775 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4776 | return; | |
4777 | } | |
4778 | ||
4779 | if (use_json) | |
4780 | json = json_object_new_object(); | |
4781 | ||
b2ee5a13 MK |
4782 | args[0] = vty; |
4783 | args[1] = json; | |
b7cfce93 MK |
4784 | zl3vni_print(zl3vni, (void *)args); |
4785 | ||
4786 | if (use_json) { | |
4787 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4788 | json, JSON_C_TO_STRING_PRETTY)); | |
4789 | json_object_free(json); | |
4790 | } | |
4791 | } | |
4792 | ||
4cce389e MK |
4793 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4794 | json_object *json_vrfs) | |
b7cfce93 | 4795 | { |
4cce389e MK |
4796 | char buf[ETHER_ADDR_STRLEN]; |
4797 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4798 | |
4cce389e MK |
4799 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4800 | if (!zl3vni) | |
b7cfce93 | 4801 | return; |
b7cfce93 | 4802 | |
4cce389e MK |
4803 | if (!json_vrfs) { |
4804 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4805 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4806 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4807 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4808 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4809 | } else { |
4cce389e | 4810 | json_object *json_vrf = NULL; |
9df2b997 | 4811 | |
4cce389e | 4812 | json_vrf = json_object_new_object(); |
996c9314 | 4813 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4814 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4815 | json_object_string_add(json_vrf, "vxlanIntf", | |
4816 | zl3vni_vxlan_if_name(zl3vni)); | |
4817 | json_object_string_add(json_vrf, "sviIntf", | |
4818 | zl3vni_svi_if_name(zl3vni)); | |
4819 | json_object_string_add(json_vrf, "state", | |
4820 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4821 | json_object_string_add( |
4822 | json_vrf, "routerMac", | |
4823 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4824 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4825 | } |
4826 | } | |
4827 | ||
4828 | /* | |
4829 | * Display Neighbors for a VNI (VTY command handler). | |
4830 | */ | |
4831 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4832 | vni_t vni, bool use_json) |
b7cfce93 MK |
4833 | { |
4834 | zebra_vni_t *zvni; | |
d7c0a89a | 4835 | uint32_t num_neigh; |
b7cfce93 MK |
4836 | struct neigh_walk_ctx wctx; |
4837 | json_object *json = NULL; | |
4838 | ||
4839 | if (!is_evpn_enabled()) | |
4840 | return; | |
4841 | zvni = zvni_lookup(vni); | |
4842 | if (!zvni) { | |
4843 | if (use_json) | |
4844 | vty_out(vty, "{}\n"); | |
4845 | else | |
4846 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4847 | return; | |
4848 | } | |
4849 | num_neigh = hashcount(zvni->neigh_table); | |
4850 | if (!num_neigh) | |
4851 | return; | |
4852 | ||
4853 | if (use_json) | |
4854 | json = json_object_new_object(); | |
4855 | ||
4856 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4857 | * size, we try to be a bit more elegant in display by first computing | |
4858 | * the maximum width. | |
4859 | */ | |
4860 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4861 | wctx.zvni = zvni; | |
4862 | wctx.vty = vty; | |
4863 | wctx.addr_width = 15; | |
4864 | wctx.json = json; | |
4865 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4866 | ||
4867 | if (!use_json) { | |
4868 | vty_out(vty, | |
4869 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4870 | num_neigh); | |
1a8c5c38 | 4871 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4872 | -wctx.addr_width, "IP", "Type", | |
4873 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4874 | } else |
4875 | json_object_int_add(json, "numArpNd", num_neigh); | |
4876 | ||
4877 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4878 | if (use_json) { | |
4879 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4880 | json, JSON_C_TO_STRING_PRETTY)); | |
4881 | json_object_free(json); | |
4882 | } | |
4883 | } | |
4884 | ||
4885 | /* | |
4886 | * Display neighbors across all VNIs (VTY command handler). | |
4887 | */ | |
4888 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4889 | bool use_json) |
b7cfce93 MK |
4890 | { |
4891 | json_object *json = NULL; | |
4892 | void *args[2]; | |
4893 | ||
4894 | if (!is_evpn_enabled()) | |
4895 | return; | |
4896 | ||
4897 | if (use_json) | |
4898 | json = json_object_new_object(); | |
4899 | ||
4900 | args[0] = vty; | |
4901 | args[1] = json; | |
4902 | hash_iterate(zvrf->vni_table, | |
4903 | (void (*)(struct hash_backet *, | |
4904 | void *))zvni_print_neigh_hash_all_vni, | |
4905 | args); | |
4906 | if (use_json) { | |
4907 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4908 | json, JSON_C_TO_STRING_PRETTY)); | |
4909 | json_object_free(json); | |
4910 | } | |
4911 | } | |
4912 | ||
4913 | /* | |
4914 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4915 | */ | |
4916 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4917 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 4918 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
4919 | { |
4920 | zebra_vni_t *zvni; | |
4921 | zebra_neigh_t *n; | |
4922 | json_object *json = NULL; | |
4923 | ||
4924 | if (!is_evpn_enabled()) | |
4925 | return; | |
4926 | zvni = zvni_lookup(vni); | |
4927 | if (!zvni) { | |
4928 | if (use_json) | |
cd233079 CS |
4929 | vty_out(vty, "{}\n"); |
4930 | else | |
4931 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4932 | return; |
4933 | } | |
4934 | n = zvni_neigh_lookup(zvni, ip); | |
4935 | if (!n) { | |
cd233079 CS |
4936 | if (!use_json) |
4937 | vty_out(vty, | |
4938 | "%% Requested neighbor does not exist in VNI %u\n", | |
4939 | vni); | |
d62a17ae | 4940 | return; |
4941 | } | |
cd233079 CS |
4942 | if (use_json) |
4943 | json = json_object_new_object(); | |
4944 | ||
4945 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4946 | |
cd233079 CS |
4947 | if (use_json) { |
4948 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4949 | json, JSON_C_TO_STRING_PRETTY)); | |
4950 | json_object_free(json); | |
4951 | } | |
cec2e17d | 4952 | } |
4953 | ||
4954 | /* | |
4955 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4956 | * By definition, these are remote neighbors. | |
4957 | */ | |
d62a17ae | 4958 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4959 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 4960 | bool use_json) |
cec2e17d | 4961 | { |
d62a17ae | 4962 | zebra_vni_t *zvni; |
d7c0a89a | 4963 | uint32_t num_neigh; |
d62a17ae | 4964 | struct neigh_walk_ctx wctx; |
cd233079 | 4965 | json_object *json = NULL; |
cec2e17d | 4966 | |
2853fed6 | 4967 | if (!is_evpn_enabled()) |
d62a17ae | 4968 | return; |
2853fed6 | 4969 | zvni = zvni_lookup(vni); |
d62a17ae | 4970 | if (!zvni) { |
cd233079 CS |
4971 | if (use_json) |
4972 | vty_out(vty, "{}\n"); | |
4973 | else | |
4974 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4975 | return; |
4976 | } | |
4977 | num_neigh = hashcount(zvni->neigh_table); | |
4978 | if (!num_neigh) | |
4979 | return; | |
cec2e17d | 4980 | |
d62a17ae | 4981 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4982 | wctx.zvni = zvni; | |
4983 | wctx.vty = vty; | |
68e33151 | 4984 | wctx.addr_width = 15; |
d62a17ae | 4985 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4986 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4987 | wctx.json = json; |
68e33151 | 4988 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4989 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4990 | |
4991 | if (use_json) { | |
4992 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4993 | json, JSON_C_TO_STRING_PRETTY)); | |
4994 | json_object_free(json); | |
4995 | } | |
cec2e17d | 4996 | } |
4997 | ||
4998 | /* | |
4999 | * Display MACs for a VNI (VTY command handler). | |
5000 | */ | |
d62a17ae | 5001 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5002 | vni_t vni, bool use_json) |
cec2e17d | 5003 | { |
d62a17ae | 5004 | zebra_vni_t *zvni; |
d7c0a89a | 5005 | uint32_t num_macs; |
d62a17ae | 5006 | struct mac_walk_ctx wctx; |
cd233079 CS |
5007 | json_object *json = NULL; |
5008 | json_object *json_mac = NULL; | |
cec2e17d | 5009 | |
2853fed6 | 5010 | if (!is_evpn_enabled()) |
d62a17ae | 5011 | return; |
2853fed6 | 5012 | zvni = zvni_lookup(vni); |
d62a17ae | 5013 | if (!zvni) { |
cd233079 CS |
5014 | if (use_json) |
5015 | vty_out(vty, "{}\n"); | |
5016 | else | |
5017 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5018 | return; |
5019 | } | |
790f8dc5 | 5020 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5021 | if (!num_macs) |
5022 | return; | |
cec2e17d | 5023 | |
cd233079 CS |
5024 | if (use_json) { |
5025 | json = json_object_new_object(); | |
5026 | json_mac = json_object_new_object(); | |
5027 | } | |
5028 | ||
d62a17ae | 5029 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5030 | wctx.zvni = zvni; | |
5031 | wctx.vty = vty; | |
cd233079 | 5032 | wctx.json = json_mac; |
cec2e17d | 5033 | |
cd233079 CS |
5034 | if (!use_json) { |
5035 | vty_out(vty, | |
5036 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5037 | num_macs); | |
5038 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5039 | "Intf/Remote VTEP", "VLAN"); | |
5040 | } else | |
5041 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5042 | |
d62a17ae | 5043 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5044 | |
5045 | if (use_json) { | |
5046 | json_object_object_add(json, "macs", json_mac); | |
5047 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5048 | json, JSON_C_TO_STRING_PRETTY)); | |
5049 | json_object_free(json); | |
5050 | } | |
cec2e17d | 5051 | } |
5052 | ||
5053 | /* | |
5054 | * Display MACs for all VNIs (VTY command handler). | |
5055 | */ | |
cd233079 | 5056 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5057 | bool use_json) |
cec2e17d | 5058 | { |
d62a17ae | 5059 | struct mac_walk_ctx wctx; |
cd233079 | 5060 | json_object *json = NULL; |
cec2e17d | 5061 | |
2853fed6 | 5062 | if (!is_evpn_enabled()) { |
cd233079 CS |
5063 | if (use_json) |
5064 | vty_out(vty, "{}\n"); | |
d62a17ae | 5065 | return; |
cd233079 CS |
5066 | } |
5067 | if (use_json) | |
5068 | json = json_object_new_object(); | |
5069 | ||
d62a17ae | 5070 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5071 | wctx.vty = vty; | |
cd233079 | 5072 | wctx.json = json; |
d62a17ae | 5073 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5074 | |
5075 | if (use_json) { | |
5076 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5077 | json, JSON_C_TO_STRING_PRETTY)); | |
5078 | json_object_free(json); | |
5079 | } | |
cec2e17d | 5080 | } |
5081 | ||
5082 | /* | |
5083 | * Display MACs for all VNIs (VTY command handler). | |
5084 | */ | |
d62a17ae | 5085 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5086 | struct zebra_vrf *zvrf, | |
9f049418 | 5087 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5088 | { |
d62a17ae | 5089 | struct mac_walk_ctx wctx; |
cd233079 | 5090 | json_object *json = NULL; |
cec2e17d | 5091 | |
2853fed6 | 5092 | if (!is_evpn_enabled()) |
d62a17ae | 5093 | return; |
cd233079 CS |
5094 | |
5095 | if (use_json) | |
5096 | json = json_object_new_object(); | |
5097 | ||
d62a17ae | 5098 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5099 | wctx.vty = vty; | |
5100 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5101 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5102 | wctx.json = json; |
d62a17ae | 5103 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5104 | |
5105 | if (use_json) { | |
5106 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5107 | json, JSON_C_TO_STRING_PRETTY)); | |
5108 | json_object_free(json); | |
5109 | } | |
cec2e17d | 5110 | } |
5111 | ||
5112 | /* | |
5113 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5114 | */ | |
d62a17ae | 5115 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5116 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 5117 | { |
d62a17ae | 5118 | zebra_vni_t *zvni; |
5119 | zebra_mac_t *mac; | |
cec2e17d | 5120 | |
2853fed6 | 5121 | if (!is_evpn_enabled()) |
d62a17ae | 5122 | return; |
2853fed6 | 5123 | zvni = zvni_lookup(vni); |
d62a17ae | 5124 | if (!zvni) { |
5125 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5126 | return; | |
5127 | } | |
5128 | mac = zvni_mac_lookup(zvni, macaddr); | |
5129 | if (!mac) { | |
5130 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
5131 | vni); | |
5132 | return; | |
5133 | } | |
cec2e17d | 5134 | |
d62a17ae | 5135 | zvni_print_mac(mac, vty); |
cec2e17d | 5136 | } |
5137 | ||
5138 | /* | |
5139 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5140 | */ | |
d62a17ae | 5141 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5142 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5143 | bool use_json) |
cec2e17d | 5144 | { |
d62a17ae | 5145 | zebra_vni_t *zvni; |
d7c0a89a | 5146 | uint32_t num_macs; |
d62a17ae | 5147 | struct mac_walk_ctx wctx; |
cd233079 CS |
5148 | json_object *json = NULL; |
5149 | json_object *json_mac = NULL; | |
cec2e17d | 5150 | |
2853fed6 | 5151 | if (!is_evpn_enabled()) |
d62a17ae | 5152 | return; |
2853fed6 | 5153 | zvni = zvni_lookup(vni); |
d62a17ae | 5154 | if (!zvni) { |
cd233079 CS |
5155 | if (use_json) |
5156 | vty_out(vty, "{}\n"); | |
5157 | else | |
5158 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5159 | return; |
5160 | } | |
790f8dc5 | 5161 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5162 | if (!num_macs) |
5163 | return; | |
cd233079 CS |
5164 | |
5165 | if (use_json) { | |
5166 | json = json_object_new_object(); | |
5167 | json_mac = json_object_new_object(); | |
5168 | } | |
5169 | ||
d62a17ae | 5170 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5171 | wctx.zvni = zvni; | |
5172 | wctx.vty = vty; | |
5173 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5174 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5175 | wctx.json = json_mac; |
d62a17ae | 5176 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5177 | |
5178 | if (use_json) { | |
5179 | json_object_int_add(json, "numMacs", wctx.count); | |
5180 | if (wctx.count) | |
5181 | json_object_object_add(json, "macs", json_mac); | |
5182 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5183 | json, JSON_C_TO_STRING_PRETTY)); | |
5184 | json_object_free(json); | |
5185 | } | |
cec2e17d | 5186 | } |
5187 | ||
5188 | ||
5189 | /* | |
5190 | * Display VNI information (VTY command handler). | |
5191 | */ | |
cd233079 | 5192 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5193 | bool use_json) |
cec2e17d | 5194 | { |
cd233079 CS |
5195 | json_object *json = NULL; |
5196 | void *args[2]; | |
1f2129ec | 5197 | zebra_l3vni_t *zl3vni = NULL; |
5198 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5199 | |
2853fed6 | 5200 | if (!is_evpn_enabled()) |
d62a17ae | 5201 | return; |
4cce389e | 5202 | |
cd233079 CS |
5203 | if (use_json) |
5204 | json = json_object_new_object(); | |
5205 | args[0] = vty; | |
5206 | args[1] = json; | |
4cce389e | 5207 | |
1f2129ec | 5208 | zl3vni = zl3vni_lookup(vni); |
5209 | if (zl3vni) { | |
4cce389e MK |
5210 | zl3vni_print(zl3vni, (void *)args); |
5211 | } else { | |
4cce389e MK |
5212 | zvni = zvni_lookup(vni); |
5213 | if (!zvni) { | |
5214 | if (use_json) | |
5215 | vty_out(vty, "{}\n"); | |
5216 | else | |
5217 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5218 | return; | |
5219 | } | |
5220 | ||
5221 | zvni_print(zvni, (void *)args); | |
5222 | } | |
5223 | ||
cd233079 CS |
5224 | if (use_json) { |
5225 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5226 | json, JSON_C_TO_STRING_PRETTY)); | |
5227 | json_object_free(json); | |
5228 | } | |
cec2e17d | 5229 | } |
5230 | ||
4cce389e | 5231 | /* Display all global details for EVPN */ |
088f1098 | 5232 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5233 | { |
4cce389e MK |
5234 | int num_l2vnis = 0; |
5235 | int num_l3vnis = 0; | |
d4454626 | 5236 | int num_vnis = 0; |
cd233079 | 5237 | json_object *json = NULL; |
4cce389e MK |
5238 | struct zebra_ns *zns = NULL; |
5239 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 5240 | |
2853fed6 | 5241 | if (!is_evpn_enabled()) |
d62a17ae | 5242 | return; |
4cce389e MK |
5243 | |
5244 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5245 | if (!zns) | |
d62a17ae | 5246 | return; |
4cce389e MK |
5247 | |
5248 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
5249 | if (!zvrf) | |
5250 | return; | |
5251 | ||
5252 | num_l3vnis = hashcount(zns->l3vni_table); | |
5253 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 5254 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5255 | |
5256 | if (uj) { | |
cd233079 | 5257 | json = json_object_new_object(); |
ddd16ed5 MK |
5258 | json_object_string_add(json, "advertiseGatewayMacip", |
5259 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5260 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5261 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5262 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5263 | } else { |
4cce389e MK |
5264 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5265 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5266 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5267 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5268 | } |
4cce389e MK |
5269 | |
5270 | if (uj) { | |
5271 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5272 | json, JSON_C_TO_STRING_PRETTY)); | |
5273 | json_object_free(json); | |
5274 | } | |
5275 | } | |
5276 | ||
5277 | /* | |
5278 | * Display VNI hash table (VTY command handler). | |
5279 | */ | |
5280 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5281 | bool use_json) |
4cce389e MK |
5282 | { |
5283 | json_object *json = NULL; | |
5284 | struct zebra_ns *zns = NULL; | |
5285 | void *args[2]; | |
5286 | ||
5287 | if (!is_evpn_enabled()) | |
5288 | return; | |
5289 | ||
5290 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5291 | if (!zns) | |
5292 | return; | |
5293 | ||
5294 | ||
5295 | if (use_json) | |
5296 | json = json_object_new_object(); | |
5297 | else | |
996c9314 LB |
5298 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5299 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5300 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5301 | |
cd233079 CS |
5302 | args[0] = vty; |
5303 | args[1] = json; | |
5304 | ||
4cce389e | 5305 | /* Display all L2-VNIs */ |
cd233079 CS |
5306 | hash_iterate(zvrf->vni_table, |
5307 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5308 | args); | |
5309 | ||
4cce389e MK |
5310 | /* Display all L3-VNIs */ |
5311 | hash_iterate(zns->l3vni_table, | |
5312 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
5313 | args); | |
5314 | ||
cd233079 CS |
5315 | if (use_json) { |
5316 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5317 | json, JSON_C_TO_STRING_PRETTY)); | |
5318 | json_object_free(json); | |
5319 | } | |
cec2e17d | 5320 | } |
5321 | ||
2232a77c | 5322 | /* |
ee69da27 MK |
5323 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5324 | * / L3 interface). This may result in either the neighbor getting deleted | |
5325 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5326 | * remote neighbor). |
5327 | */ | |
ee69da27 MK |
5328 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5329 | struct interface *link_if, | |
5330 | struct ipaddr *ip) | |
d62a17ae | 5331 | { |
d62a17ae | 5332 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5333 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5334 | zebra_neigh_t *n = NULL; |
5335 | zebra_vni_t *zvni = NULL; | |
5336 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5337 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5338 | |
8c9b80b9 | 5339 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5340 | * next-hop |
5341 | */ | |
8c9b80b9 MK |
5342 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5343 | if (zl3vni) | |
5344 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5345 | |
5346 | /* We are only interested in neighbors on an SVI that resides on top | |
5347 | * of a VxLAN bridge. | |
5348 | */ | |
b7cfce93 | 5349 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5350 | if (!zvni) |
5351 | return 0; | |
8c9b80b9 | 5352 | |
d62a17ae | 5353 | if (!zvni->vxlan_if) { |
9df414fe | 5354 | zlog_debug( |
d62a17ae | 5355 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5356 | zvni->vni, zvni); | |
5357 | return -1; | |
5358 | } | |
5359 | ||
5360 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5361 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5362 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5363 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5364 | |
5365 | /* If entry doesn't exist, nothing to do. */ | |
5366 | n = zvni_neigh_lookup(zvni, ip); | |
5367 | if (!n) | |
5368 | return 0; | |
5369 | ||
b6938a74 MK |
5370 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5371 | if (!zmac) { | |
5372 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 5373 | zlog_debug( |
2853fed6 | 5374 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5375 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5376 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5377 | zvni->vni); | |
5378 | ||
5379 | return 0; | |
5380 | } | |
5381 | ||
d62a17ae | 5382 | /* If it is a remote entry, the kernel has aged this out or someone has |
5383 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5384 | */ | |
5385 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5386 | zvni_neigh_install(zvni, n); | |
5387 | return 0; | |
5388 | } | |
5389 | ||
d62a17ae | 5390 | /* Remove neighbor from BGP. */ |
b6938a74 | 5391 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5392 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5393 | |
5394 | /* Delete this neighbor entry. */ | |
5395 | zvni_neigh_del(zvni, n); | |
5396 | ||
b6938a74 MK |
5397 | /* see if the AUTO mac needs to be deleted */ |
5398 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5399 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5400 | zvni_mac_del(zvni, zmac); |
5401 | ||
d62a17ae | 5402 | return 0; |
2232a77c | 5403 | } |
5404 | ||
5405 | /* | |
ee69da27 MK |
5406 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5407 | * device / L3 interface). This is typically for a local neighbor but can | |
5408 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5409 | * also be a "move" scenario. | |
2232a77c | 5410 | */ |
ee69da27 MK |
5411 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5412 | struct interface *link_if, | |
5413 | struct ipaddr *ip, | |
5414 | struct ethaddr *macaddr, | |
5415 | uint16_t state, | |
a37f4598 | 5416 | bool is_ext, |
5417 | bool is_router) | |
d62a17ae | 5418 | { |
d62a17ae | 5419 | char buf[ETHER_ADDR_STRLEN]; |
5420 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5421 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5422 | zebra_l3vni_t *zl3vni = NULL; |
5423 | ||
5424 | /* check if this is a remote neigh entry corresponding to remote | |
5425 | * next-hop | |
5426 | */ | |
5427 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5428 | if (zl3vni) | |
5429 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5430 | |
d62a17ae | 5431 | /* We are only interested in neighbors on an SVI that resides on top |
5432 | * of a VxLAN bridge. | |
5433 | */ | |
b7cfce93 | 5434 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5435 | if (!zvni) |
5436 | return 0; | |
5437 | ||
d62a17ae | 5438 | if (IS_ZEBRA_DEBUG_VXLAN) |
5439 | zlog_debug( | |
54c17425 | 5440 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5441 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5442 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 5443 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
5444 | is_router ? "router " : "", | |
8c9b80b9 | 5445 | zvni->vni); |
d62a17ae | 5446 | |
ee69da27 | 5447 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 5448 | if (!is_ext) |
68e33151 | 5449 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 5450 | is_router); |
b7cfce93 | 5451 | |
ee69da27 | 5452 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5453 | } |
5454 | ||
b682f6de | 5455 | |
2232a77c | 5456 | /* |
5457 | * Handle message from client to delete a remote MACIP for a VNI. | |
5458 | */ | |
89f4e507 | 5459 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5460 | { |
5461 | struct stream *s; | |
5462 | vni_t vni; | |
5463 | struct ethaddr macaddr; | |
5464 | struct ipaddr ip; | |
5465 | struct in_addr vtep_ip; | |
9df2b997 | 5466 | uint16_t l = 0, ipa_len; |
d62a17ae | 5467 | char buf[ETHER_ADDR_STRLEN]; |
5468 | char buf1[INET6_ADDRSTRLEN]; | |
5469 | ||
b7cfce93 | 5470 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5471 | memset(&ip, 0, sizeof(struct ipaddr)); |
5472 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5473 | ||
1002497a | 5474 | s = msg; |
d62a17ae | 5475 | |
89f4e507 | 5476 | while (l < hdr->length) { |
d62a17ae | 5477 | /* Obtain each remote MACIP and process. */ |
5478 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5479 | * followed by remote VTEP IP. | |
5480 | */ | |
d62a17ae | 5481 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5482 | STREAM_GETL(s, vni); |
5483 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5484 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5485 | if (ipa_len) { |
5486 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5487 | : IPADDR_V6; | |
ec93aa12 | 5488 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5489 | } |
ff8b7eb8 | 5490 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5491 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5492 | l += IPV4_MAX_BYTELEN; |
5493 | ||
5494 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5495 | zlog_debug( | |
f07e1c99 | 5496 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5497 | vni, | |
d62a17ae | 5498 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5499 | ipa_len ? " IP " : "", |
5500 | ipa_len ? | |
5501 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5502 | inet_ntoa(vtep_ip), |
5503 | zebra_route_string(client->proto)); | |
5504 | ||
f07e1c99 | 5505 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5506 | } |
5507 | ||
ec93aa12 | 5508 | stream_failure: |
8068a649 | 5509 | return; |
2232a77c | 5510 | } |
5511 | ||
5512 | /* | |
5513 | * Handle message from client to add a remote MACIP for a VNI. This | |
5514 | * could be just the add of a MAC address or the add of a neighbor | |
5515 | * (IP+MAC). | |
5516 | */ | |
89f4e507 | 5517 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5518 | { |
5519 | struct stream *s; | |
5520 | vni_t vni; | |
5521 | struct ethaddr macaddr; | |
5522 | struct ipaddr ip; | |
5523 | struct in_addr vtep_ip; | |
9df2b997 | 5524 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5525 | uint8_t flags = 0; |
5526 | uint32_t seq; | |
d62a17ae | 5527 | char buf[ETHER_ADDR_STRLEN]; |
5528 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5529 | |
b7cfce93 | 5530 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5531 | memset(&ip, 0, sizeof(struct ipaddr)); |
5532 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5533 | ||
ec93aa12 | 5534 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 5535 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5536 | return; |
ec93aa12 | 5537 | } |
d62a17ae | 5538 | |
1002497a | 5539 | s = msg; |
d62a17ae | 5540 | |
89f4e507 | 5541 | while (l < hdr->length) { |
d62a17ae | 5542 | /* Obtain each remote MACIP and process. */ |
5543 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5544 | * followed by remote VTEP IP. | |
5545 | */ | |
d62a17ae | 5546 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5547 | STREAM_GETL(s, vni); |
5548 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5549 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5550 | if (ipa_len) { |
5551 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5552 | : IPADDR_V6; | |
ec93aa12 | 5553 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5554 | } |
ff8b7eb8 | 5555 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5556 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5557 | l += IPV4_MAX_BYTELEN; |
5558 | ||
ead40654 | 5559 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5560 | STREAM_GETC(s, flags); |
d62a17ae | 5561 | l++; |
f07e1c99 | 5562 | STREAM_GETL(s, seq); |
5563 | l += 4; | |
d62a17ae | 5564 | |
5565 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5566 | zlog_debug( | |
f07e1c99 | 5567 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5568 | vni, | |
d62a17ae | 5569 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5570 | ipa_len ? " IP " : "", |
5571 | ipa_len ? | |
5572 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5573 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5574 | zebra_route_string(client->proto)); |
5575 | ||
f07e1c99 | 5576 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5577 | flags, seq, vtep_ip); | |
d62a17ae | 5578 | } |
5579 | ||
ec93aa12 | 5580 | stream_failure: |
8068a649 | 5581 | return; |
13d60d35 | 5582 | } |
5583 | ||
5584 | /* | |
2232a77c | 5585 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5586 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5587 | * of any prior local MAC. | |
13d60d35 | 5588 | */ |
d62a17ae | 5589 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5590 | struct interface *br_if, | |
5591 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5592 | { |
d62a17ae | 5593 | struct zebra_if *zif; |
d62a17ae | 5594 | struct zebra_l2info_vxlan *vxl; |
5595 | vni_t vni; | |
5596 | zebra_vni_t *zvni; | |
5597 | zebra_mac_t *mac; | |
5598 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5599 | |
d62a17ae | 5600 | zif = ifp->info; |
5601 | assert(zif); | |
5602 | vxl = &zif->l2info.vxl; | |
5603 | vni = vxl->vni; | |
13d60d35 | 5604 | |
2853fed6 | 5605 | /* Check if EVPN is enabled. */ |
5606 | if (!is_evpn_enabled()) | |
d62a17ae | 5607 | return 0; |
13d60d35 | 5608 | |
d62a17ae | 5609 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5610 | zvni = zvni_lookup(vni); |
d62a17ae | 5611 | if (!zvni) |
5612 | return 0; | |
13d60d35 | 5613 | |
d62a17ae | 5614 | /* If entry doesn't exist, nothing to do. */ |
5615 | mac = zvni_mac_lookup(zvni, macaddr); | |
5616 | if (!mac) | |
5617 | return 0; | |
13d60d35 | 5618 | |
d62a17ae | 5619 | /* Is it a local entry? */ |
5620 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5621 | return 0; | |
13d60d35 | 5622 | |
d62a17ae | 5623 | if (IS_ZEBRA_DEBUG_VXLAN) |
5624 | zlog_debug( | |
2853fed6 | 5625 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5626 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5627 | ifp->ifindex, vni); | |
13d60d35 | 5628 | |
d62a17ae | 5629 | /* Remove MAC from BGP. */ |
ead40654 | 5630 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5631 | |
b6938a74 MK |
5632 | /* |
5633 | * If there are no neigh associated with the mac delete the mac | |
5634 | * else mark it as AUTO for forward reference | |
5635 | */ | |
5636 | if (!listcount(mac->neigh_list)) { | |
5637 | zvni_mac_del(zvni, mac); | |
5638 | } else { | |
5639 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5640 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5641 | } | |
13d60d35 | 5642 | |
d62a17ae | 5643 | return 0; |
13d60d35 | 5644 | } |
5645 | ||
5646 | /* | |
2232a77c | 5647 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5648 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5649 | * so the kernel can ageout the entry. | |
13d60d35 | 5650 | */ |
d62a17ae | 5651 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5652 | struct interface *br_if, | |
5653 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5654 | { |
a9a76262 MK |
5655 | struct zebra_if *zif = NULL; |
5656 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5657 | vni_t vni; |
a9a76262 MK |
5658 | zebra_vni_t *zvni = NULL; |
5659 | zebra_l3vni_t *zl3vni = NULL; | |
5660 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5661 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5662 | |
d62a17ae | 5663 | zif = ifp->info; |
5664 | assert(zif); | |
5665 | vxl = &zif->l2info.vxl; | |
5666 | vni = vxl->vni; | |
2232a77c | 5667 | |
2853fed6 | 5668 | /* Check if EVPN is enabled. */ |
5669 | if (!is_evpn_enabled()) | |
d62a17ae | 5670 | return 0; |
2232a77c | 5671 | |
a9a76262 MK |
5672 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5673 | zl3vni = zl3vni_lookup(vni); | |
5674 | if (zl3vni) | |
5675 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5676 | ||
d62a17ae | 5677 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5678 | zvni = zvni_lookup(vni); |
d62a17ae | 5679 | if (!zvni) |
5680 | return 0; | |
13d60d35 | 5681 | |
d62a17ae | 5682 | /* If entry doesn't exist, nothing to do. */ |
5683 | mac = zvni_mac_lookup(zvni, macaddr); | |
5684 | if (!mac) | |
5685 | return 0; | |
2232a77c | 5686 | |
d62a17ae | 5687 | /* Is it a remote entry? */ |
5688 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5689 | return 0; | |
2232a77c | 5690 | |
d62a17ae | 5691 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5692 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5693 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5694 | ifp->ifindex, vni); | |
13d60d35 | 5695 | |
d62a17ae | 5696 | zvni_mac_install(zvni, mac); |
5697 | return 0; | |
13d60d35 | 5698 | } |
5699 | ||
5700 | /* | |
2232a77c | 5701 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5702 | */ |
d62a17ae | 5703 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5704 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5705 | { |
d62a17ae | 5706 | zebra_vni_t *zvni; |
5707 | zebra_mac_t *mac; | |
d62a17ae | 5708 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5709 | |
d62a17ae | 5710 | /* We are interested in MACs only on ports or (port, VLAN) that |
5711 | * map to a VNI. | |
5712 | */ | |
5713 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5714 | if (!zvni) | |
5715 | return 0; | |
5716 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5717 | zlog_debug( |
5718 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5719 | zvni->vni, zvni); | |
d62a17ae | 5720 | return -1; |
5721 | } | |
13d60d35 | 5722 | |
d62a17ae | 5723 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5724 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5725 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5726 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5727 | |
d62a17ae | 5728 | /* If entry doesn't exist, nothing to do. */ |
5729 | mac = zvni_mac_lookup(zvni, macaddr); | |
5730 | if (!mac) | |
5731 | return 0; | |
2232a77c | 5732 | |
d62a17ae | 5733 | /* Is it a local entry? */ |
5734 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5735 | return 0; | |
2232a77c | 5736 | |
b6938a74 | 5737 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5738 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5739 | |
f07e1c99 | 5740 | /* Remove MAC from BGP. */ |
5741 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); | |
5742 | ||
b6938a74 MK |
5743 | /* |
5744 | * If there are no neigh associated with the mac delete the mac | |
5745 | * else mark it as AUTO for forward reference | |
5746 | */ | |
5747 | if (!listcount(mac->neigh_list)) { | |
5748 | zvni_mac_del(zvni, mac); | |
5749 | } else { | |
5750 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5751 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5752 | } | |
2232a77c | 5753 | |
d62a17ae | 5754 | return 0; |
13d60d35 | 5755 | } |
5756 | ||
5757 | /* | |
2232a77c | 5758 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5759 | */ |
d62a17ae | 5760 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5761 | struct interface *br_if, | |
5762 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 5763 | bool sticky) |
d62a17ae | 5764 | { |
5765 | zebra_vni_t *zvni; | |
5766 | zebra_mac_t *mac; | |
d62a17ae | 5767 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5768 | bool mac_sticky = false; |
5769 | bool inform_client = false; | |
5770 | bool upd_neigh = false; | |
d62a17ae | 5771 | |
5772 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5773 | * map to a VNI. | |
5774 | */ | |
5775 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5776 | if (!zvni) { | |
5777 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5778 | zlog_debug( | |
2853fed6 | 5779 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5780 | sticky ? "sticky " : "", | |
d62a17ae | 5781 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5782 | ifp->name, ifp->ifindex, vid); | |
5783 | return 0; | |
5784 | } | |
5785 | ||
5786 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5787 | zlog_debug( |
5788 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5789 | zvni->vni, zvni); | |
d62a17ae | 5790 | return -1; |
5791 | } | |
5792 | ||
f07e1c99 | 5793 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5794 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5795 | if (!mac) { |
5796 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5797 | zlog_debug( | |
5798 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5799 | sticky ? "sticky " : "", | |
5800 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5801 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5802 | |
f07e1c99 | 5803 | mac = zvni_mac_add(zvni, macaddr); |
5804 | if (!mac) { | |
5805 | flog_err( | |
e914ccbe | 5806 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 5807 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
5808 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5809 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5810 | return -1; | |
5811 | } | |
5812 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5813 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5814 | mac->fwd_info.local.vid = vid; | |
5815 | if (sticky) | |
5816 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5817 | inform_client = true; | |
5818 | ||
5819 | } else { | |
5820 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5821 | zlog_debug( | |
5822 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5823 | sticky ? "sticky " : "", | |
5824 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5825 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5826 | mac->flags); | |
5827 | ||
5828 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5829 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5830 | mac_sticky = true; | |
b6938a74 | 5831 | |
b8ce75a5 | 5832 | /* |
f07e1c99 | 5833 | * Update any changes and if changes are relevant to |
5834 | * BGP, note it. | |
b8ce75a5 | 5835 | */ |
d62a17ae | 5836 | if (mac_sticky == sticky |
5837 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5838 | && mac->fwd_info.local.vid == vid) { | |
5839 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5840 | zlog_debug( | |
2853fed6 | 5841 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5842 | "entry exists and has not changed ", |
d62a17ae | 5843 | sticky ? "sticky " : "", |
5844 | prefix_mac2str(macaddr, buf, | |
5845 | sizeof(buf)), | |
5846 | ifp->name, ifp->ifindex, vid, | |
5847 | zvni->vni); | |
5848 | return 0; | |
b6938a74 | 5849 | } |
f07e1c99 | 5850 | if (mac_sticky != sticky) { |
5851 | if (sticky) | |
5852 | SET_FLAG(mac->flags, | |
5853 | ZEBRA_MAC_STICKY); | |
5854 | else | |
5855 | UNSET_FLAG(mac->flags, | |
5856 | ZEBRA_MAC_STICKY); | |
5857 | inform_client = true; | |
5858 | } | |
5859 | ||
5860 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5861 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5862 | mac->fwd_info.local.vid = vid; | |
5863 | ||
5864 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5865 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5866 | ||
421bb26a | 5867 | /* |
f07e1c99 | 5868 | * MAC has either moved or was "internally" created due |
5869 | * to a neighbor learn and is now actually learnt. If | |
5870 | * it was learnt as a remote sticky MAC, this is an | |
5871 | * operator error. | |
421bb26a | 5872 | */ |
8f4b98ee | 5873 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 5874 | flog_warn( |
e914ccbe | 5875 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 5876 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
5877 | prefix_mac2str(macaddr, buf, |
5878 | sizeof(buf)), | |
5879 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5880 | zvni->vni); | |
8f4b98ee MK |
5881 | return 0; |
5882 | } | |
d62a17ae | 5883 | |
f07e1c99 | 5884 | /* If an actual move, compute MAC's seq number */ |
5885 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5886 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5887 | mac->loc_seq); | |
5888 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5889 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5890 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5891 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5892 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5893 | mac->fwd_info.local.vid = vid; | |
5894 | if (sticky) | |
5895 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5896 | else | |
5897 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5898 | /* | |
5899 | * We have to inform BGP of this MAC as well as process | |
5900 | * all neighbors. | |
5901 | */ | |
5902 | inform_client = true; | |
5903 | upd_neigh = true; | |
d62a17ae | 5904 | } |
5905 | } | |
5906 | ||
d62a17ae | 5907 | /* Inform BGP if required. */ |
f07e1c99 | 5908 | if (inform_client) { |
5909 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
5910 | mac->flags, mac->loc_seq)) | |
5911 | return -1; | |
b6938a74 | 5912 | } |
d62a17ae | 5913 | |
f07e1c99 | 5914 | /* Process all neighbors associated with this MAC, if required. */ |
5915 | if (upd_neigh) | |
5916 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
5917 | ||
d62a17ae | 5918 | return 0; |
2232a77c | 5919 | } |
13d60d35 | 5920 | |
5921 | /* | |
5922 | * Handle message from client to delete a remote VTEP for a VNI. | |
5923 | */ | |
89f4e507 | 5924 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5925 | { |
5926 | struct stream *s; | |
d7c0a89a | 5927 | unsigned short l = 0; |
d62a17ae | 5928 | vni_t vni; |
5929 | struct in_addr vtep_ip; | |
5930 | zebra_vni_t *zvni; | |
5931 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5932 | struct interface *ifp; |
5933 | struct zebra_if *zif; | |
d62a17ae | 5934 | |
ec93aa12 | 5935 | if (!is_evpn_enabled()) { |
9df414fe | 5936 | zlog_debug( |
996c9314 LB |
5937 | "%s: EVPN is not enabled yet we have received a vtep del command", |
5938 | __PRETTY_FUNCTION__); | |
8068a649 | 5939 | return; |
ec93aa12 DS |
5940 | } |
5941 | ||
2853fed6 | 5942 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
5943 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
5944 | zvrf_id(zvrf)); | |
8068a649 | 5945 | return; |
2853fed6 | 5946 | } |
5947 | ||
1002497a | 5948 | s = msg; |
d62a17ae | 5949 | |
89f4e507 | 5950 | while (l < hdr->length) { |
d62a17ae | 5951 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5952 | STREAM_GETL(s, vni); |
d62a17ae | 5953 | l += 4; |
ec93aa12 | 5954 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5955 | l += IPV4_MAX_BYTELEN; |
5956 | ||
5957 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5958 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5959 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5960 | zebra_route_string(client->proto)); |
5961 | ||
5962 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5963 | zvni = zvni_lookup(vni); |
d62a17ae | 5964 | if (!zvni) { |
5965 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5966 | zlog_debug( | |
5967 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5968 | "VNI %u", |
5969 | vni); | |
d62a17ae | 5970 | continue; |
5971 | } | |
5972 | ||
b5ebdc9b | 5973 | ifp = zvni->vxlan_if; |
5974 | if (!ifp) { | |
9df414fe | 5975 | zlog_debug( |
60466a63 QY |
5976 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5977 | zvni->vni, zvni); | |
b682f6de | 5978 | continue; |
b5ebdc9b | 5979 | } |
5980 | zif = ifp->info; | |
5981 | ||
5982 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5983 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5984 | continue; |
5985 | ||
d62a17ae | 5986 | /* If the remote VTEP does not exist, there's nothing more to |
5987 | * do. | |
5988 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5989 | * and | |
5990 | * then, the VTEP entry itself and remove it. | |
5991 | */ | |
5992 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5993 | if (!zvtep) | |
5994 | continue; | |
5995 | ||
5996 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5997 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5998 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5999 | zvni_vtep_del(zvni, zvtep); | |
6000 | } | |
6001 | ||
ec93aa12 | 6002 | stream_failure: |
8068a649 | 6003 | return; |
13d60d35 | 6004 | } |
6005 | ||
6006 | /* | |
6007 | * Handle message from client to add a remote VTEP for a VNI. | |
6008 | */ | |
89f4e507 | 6009 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6010 | { |
6011 | struct stream *s; | |
d7c0a89a | 6012 | unsigned short l = 0; |
d62a17ae | 6013 | vni_t vni; |
6014 | struct in_addr vtep_ip; | |
6015 | zebra_vni_t *zvni; | |
b5ebdc9b | 6016 | struct interface *ifp; |
6017 | struct zebra_if *zif; | |
d62a17ae | 6018 | |
ec93aa12 | 6019 | if (!is_evpn_enabled()) { |
9df414fe | 6020 | zlog_debug( |
996c9314 LB |
6021 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
6022 | __PRETTY_FUNCTION__); | |
8068a649 | 6023 | return; |
ec93aa12 DS |
6024 | } |
6025 | ||
2853fed6 | 6026 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6027 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6028 | zvrf_id(zvrf)); | |
8068a649 | 6029 | return; |
2853fed6 | 6030 | } |
d62a17ae | 6031 | |
1002497a | 6032 | s = msg; |
d62a17ae | 6033 | |
89f4e507 | 6034 | while (l < hdr->length) { |
d62a17ae | 6035 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6036 | STREAM_GETL(s, vni); |
d62a17ae | 6037 | l += 4; |
ec93aa12 | 6038 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6039 | l += IPV4_MAX_BYTELEN; |
6040 | ||
6041 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6042 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6043 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6044 | zebra_route_string(client->proto)); |
6045 | ||
6046 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6047 | zvni = zvni_lookup(vni); |
d62a17ae | 6048 | if (!zvni) { |
af4c2728 | 6049 | flog_err( |
e914ccbe | 6050 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6051 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6052 | vni); | |
d62a17ae | 6053 | continue; |
6054 | } | |
b5ebdc9b | 6055 | |
6056 | ifp = zvni->vxlan_if; | |
6057 | if (!ifp) { | |
af4c2728 | 6058 | flog_err( |
e914ccbe | 6059 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6060 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6061 | zvni->vni, zvni); | |
6062 | continue; | |
6063 | } | |
6064 | ||
b5ebdc9b | 6065 | zif = ifp->info; |
d62a17ae | 6066 | |
b5ebdc9b | 6067 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6068 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6069 | continue; |
6070 | ||
b682f6de | 6071 | /* If the remote VTEP already exists, |
6072 | there's nothing more to do. */ | |
b5ebdc9b | 6073 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6074 | continue; |
6075 | ||
6076 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6077 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6078 | "Failed to add remote VTEP, VNI %u zvni %p", |
6079 | vni, zvni); | |
d62a17ae | 6080 | continue; |
6081 | } | |
6082 | ||
6083 | zvni_vtep_install(zvni, &vtep_ip); | |
6084 | } | |
6085 | ||
ec93aa12 | 6086 | stream_failure: |
8068a649 | 6087 | return; |
13d60d35 | 6088 | } |
6089 | ||
1a98c087 MK |
6090 | /* |
6091 | * Add/Del gateway macip to evpn | |
6092 | * g/w can be: | |
6093 | * 1. SVI interface on a vlan aware bridge | |
6094 | * 2. SVI interface on a vlan unaware bridge | |
6095 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6096 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6097 | */ | |
6098 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6099 | int add) | |
6100 | { | |
6101 | struct ipaddr ip; | |
6102 | struct ethaddr macaddr; | |
6103 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6104 | |
6105 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6106 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6107 | ||
2853fed6 | 6108 | /* Check if EVPN is enabled. */ |
6109 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6110 | return 0; |
6111 | ||
1a98c087 MK |
6112 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6113 | struct interface *svi_if = | |
6114 | NULL; /* SVI corresponding to the MACVLAN */ | |
6115 | struct zebra_if *ifp_zif = | |
6116 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6117 | struct zebra_if *svi_if_zif = | |
6118 | NULL; /* Zebra daemon specific info for SVI*/ | |
6119 | ||
6120 | ifp_zif = ifp->info; | |
6121 | if (!ifp_zif) | |
6122 | return -1; | |
6123 | ||
71349e03 MK |
6124 | /* |
6125 | * for a MACVLAN interface the link represents the svi_if | |
6126 | */ | |
6127 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6128 | ifp_zif->link_ifindex); | |
1a98c087 | 6129 | if (!svi_if) { |
9df414fe QY |
6130 | zlog_debug("MACVLAN %s(%u) without link information", |
6131 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6132 | return -1; |
6133 | } | |
6134 | ||
6135 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6136 | /* |
6137 | * If it is a vlan aware bridge then the link gives the | |
6138 | * bridge information | |
6139 | */ | |
6140 | struct interface *svi_if_link = NULL; | |
6141 | ||
1a98c087 | 6142 | svi_if_zif = svi_if->info; |
71349e03 MK |
6143 | if (svi_if_zif) { |
6144 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6145 | zebra_ns_lookup(NS_DEFAULT), |
6146 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6147 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6148 | } |
1a98c087 | 6149 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6150 | /* |
6151 | * If it is a vlan unaware bridge then svi is the bridge | |
6152 | * itself | |
6153 | */ | |
b7cfce93 | 6154 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6155 | } |
6156 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6157 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6158 | NULL; /* Zebra daemon specific info for SVI */ |
6159 | struct interface *svi_if_link = | |
6160 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6161 | |
6162 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6163 | if (svi_if_zif) { |
6164 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6165 | zebra_ns_lookup(NS_DEFAULT), |
6166 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6167 | if (svi_if_link) |
6168 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6169 | } | |
1a98c087 | 6170 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6171 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6172 | } |
6173 | ||
6174 | if (!zvni) | |
6175 | return 0; | |
6176 | ||
6177 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6178 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6179 | zvni->vni, zvni); | |
1a98c087 MK |
6180 | return -1; |
6181 | } | |
6182 | ||
1a98c087 | 6183 | |
1a98c087 MK |
6184 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6185 | ||
6186 | if (p->family == AF_INET) { | |
6187 | ip.ipa_type = IPADDR_V4; | |
6188 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6189 | sizeof(struct in_addr)); | |
6190 | } else if (p->family == AF_INET6) { | |
6191 | ip.ipa_type = IPADDR_V6; | |
6192 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6193 | sizeof(struct in6_addr)); | |
6194 | } | |
6195 | ||
6196 | ||
6197 | if (add) | |
6198 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6199 | else | |
6200 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6201 | ||
6202 | return 0; | |
6203 | } | |
6204 | ||
2232a77c | 6205 | /* |
b7cfce93 MK |
6206 | * Handle SVI interface going down. |
6207 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6208 | * For L2-VNI: At this point, this is a NOP since | |
6209 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6210 | * We only need to update the vrf corresponding to zvni. | |
6211 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6212 | * from bgp | |
2232a77c | 6213 | */ |
d62a17ae | 6214 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6215 | { |
b7cfce93 MK |
6216 | zebra_l3vni_t *zl3vni = NULL; |
6217 | ||
6218 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6219 | if (zl3vni) { | |
6220 | ||
6221 | /* process l3-vni down */ | |
6222 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6223 | ||
6224 | /* remove association with svi-if */ | |
6225 | zl3vni->svi_if = NULL; | |
6226 | } else { | |
6227 | zebra_vni_t *zvni = NULL; | |
6228 | ||
6229 | /* since we dont have svi corresponding to zvni, we associate it | |
6230 | * to default vrf. Note: the corresponding neigh entries on the | |
6231 | * SVI would have already been deleted */ | |
6232 | zvni = zvni_from_svi(ifp, link_if); | |
6233 | if (zvni) { | |
6234 | zvni->vrf_id = VRF_DEFAULT; | |
6235 | ||
6236 | /* update the tenant vrf in BGP */ | |
6237 | zvni_send_add_to_client(zvni); | |
6238 | } | |
6239 | } | |
d62a17ae | 6240 | return 0; |
2232a77c | 6241 | } |
6242 | ||
6243 | /* | |
b7cfce93 MK |
6244 | * Handle SVI interface coming up. |
6245 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6246 | * vxlan intf). | |
6247 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6248 | * apr-suppression) | |
6249 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6250 | */ |
d62a17ae | 6251 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6252 | { |
b7cfce93 MK |
6253 | zebra_vni_t *zvni = NULL; |
6254 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6255 | |
b7cfce93 MK |
6256 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6257 | if (zl3vni) { | |
2232a77c | 6258 | |
b7cfce93 MK |
6259 | /* associate with svi */ |
6260 | zl3vni->svi_if = ifp; | |
2232a77c | 6261 | |
b7cfce93 MK |
6262 | /* process oper-up */ |
6263 | if (is_l3vni_oper_up(zl3vni)) | |
6264 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6265 | } else { | |
6266 | ||
6267 | /* process SVI up for l2-vni */ | |
6268 | struct neigh_walk_ctx n_wctx; | |
6269 | ||
6270 | zvni = zvni_from_svi(ifp, link_if); | |
6271 | if (!zvni) | |
6272 | return 0; | |
6273 | ||
6274 | if (!zvni->vxlan_if) { | |
9df414fe | 6275 | zlog_debug( |
43e52561 QY |
6276 | "VNI %u hash %p doesn't have intf upon SVI up", |
6277 | zvni->vni, zvni); | |
b7cfce93 MK |
6278 | return -1; |
6279 | } | |
6280 | ||
6281 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6282 | zlog_debug( |
6283 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6284 | ifp->name, ifp->ifindex, zvni->vni, | |
6285 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6286 | |
b7cfce93 MK |
6287 | /* update the vrf information for l2-vni and inform bgp */ |
6288 | zvni->vrf_id = ifp->vrf_id; | |
6289 | zvni_send_add_to_client(zvni); | |
6290 | ||
6291 | /* Install any remote neighbors for this VNI. */ | |
6292 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6293 | n_wctx.zvni = zvni; | |
996c9314 | 6294 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6295 | &n_wctx); |
6296 | } | |
2232a77c | 6297 | |
d62a17ae | 6298 | return 0; |
2232a77c | 6299 | } |
6300 | ||
13d60d35 | 6301 | /* |
b7cfce93 | 6302 | * Handle VxLAN interface down |
13d60d35 | 6303 | */ |
d62a17ae | 6304 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6305 | { |
d62a17ae | 6306 | vni_t vni; |
b7cfce93 MK |
6307 | struct zebra_if *zif = NULL; |
6308 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6309 | zebra_l3vni_t *zl3vni = NULL; |
6310 | zebra_vni_t *zvni; | |
13d60d35 | 6311 | |
2853fed6 | 6312 | /* Check if EVPN is enabled. */ |
6313 | if (!is_evpn_enabled()) | |
d62a17ae | 6314 | return 0; |
13d60d35 | 6315 | |
d62a17ae | 6316 | zif = ifp->info; |
6317 | assert(zif); | |
6318 | vxl = &zif->l2info.vxl; | |
6319 | vni = vxl->vni; | |
13d60d35 | 6320 | |
643215ce | 6321 | zl3vni = zl3vni_lookup(vni); |
6322 | if (zl3vni) { | |
b7cfce93 | 6323 | /* process-if-down for l3-vni */ |
b7cfce93 | 6324 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6325 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6326 | ifp->ifindex, vni); | |
b7cfce93 | 6327 | |
b7cfce93 | 6328 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6329 | } else { |
6330 | /* process if-down for l2-vni */ | |
b7cfce93 | 6331 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6332 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6333 | ifp->ifindex, vni); | |
13d60d35 | 6334 | |
b7cfce93 MK |
6335 | /* Locate hash entry; it is expected to exist. */ |
6336 | zvni = zvni_lookup(vni); | |
6337 | if (!zvni) { | |
9df414fe | 6338 | zlog_debug( |
b7cfce93 MK |
6339 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6340 | ifp->name, ifp->ifindex, vni); | |
6341 | return -1; | |
6342 | } | |
13d60d35 | 6343 | |
b7cfce93 | 6344 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6345 | |
b7cfce93 MK |
6346 | /* Delete this VNI from BGP. */ |
6347 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6348 | |
b7cfce93 MK |
6349 | /* Free up all neighbors and MACs, if any. */ |
6350 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6351 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6352 | |
b7cfce93 MK |
6353 | /* Free up all remote VTEPs, if any. */ |
6354 | zvni_vtep_del_all(zvni, 1); | |
6355 | } | |
d62a17ae | 6356 | return 0; |
13d60d35 | 6357 | } |
6358 | ||
6359 | /* | |
6360 | * Handle VxLAN interface up - update BGP if required. | |
6361 | */ | |
d62a17ae | 6362 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6363 | { |
d62a17ae | 6364 | vni_t vni; |
b7cfce93 MK |
6365 | struct zebra_if *zif = NULL; |
6366 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6367 | zebra_vni_t *zvni = NULL; |
6368 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6369 | |
2853fed6 | 6370 | /* Check if EVPN is enabled. */ |
6371 | if (!is_evpn_enabled()) | |
d62a17ae | 6372 | return 0; |
13d60d35 | 6373 | |
d62a17ae | 6374 | zif = ifp->info; |
6375 | assert(zif); | |
6376 | vxl = &zif->l2info.vxl; | |
6377 | vni = vxl->vni; | |
13d60d35 | 6378 | |
643215ce | 6379 | zl3vni = zl3vni_lookup(vni); |
6380 | if (zl3vni) { | |
13d60d35 | 6381 | |
b7cfce93 | 6382 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6383 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6384 | ifp->ifindex, vni); | |
13d60d35 | 6385 | |
b7cfce93 | 6386 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6387 | * svi-if only after association with vxlan-intf is complete |
6388 | */ | |
b7cfce93 MK |
6389 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6390 | ||
6391 | if (is_l3vni_oper_up(zl3vni)) | |
6392 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6393 | } else { | |
6394 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6395 | struct interface *vlan_if = NULL; |
6396 | ||
6397 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6398 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6399 | ifp->ifindex, vni); | |
b7cfce93 MK |
6400 | |
6401 | /* Locate hash entry; it is expected to exist. */ | |
6402 | zvni = zvni_lookup(vni); | |
6403 | if (!zvni) { | |
9df414fe | 6404 | zlog_debug( |
b7cfce93 MK |
6405 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6406 | ifp->name, ifp->ifindex, vni); | |
6407 | return -1; | |
6408 | } | |
6409 | ||
6410 | assert(zvni->vxlan_if == ifp); | |
6411 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6412 | zif->brslave_info.br_if); | |
6413 | if (vlan_if) { | |
6414 | zvni->vrf_id = vlan_if->vrf_id; | |
6415 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6416 | if (zl3vni) | |
6417 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6418 | } | |
6419 | ||
6420 | /* If part of a bridge, inform BGP about this VNI. */ | |
6421 | /* Also, read and populate local MACs and neighbors. */ | |
6422 | if (zif->brslave_info.br_if) { | |
6423 | zvni_send_add_to_client(zvni); | |
6424 | zvni_read_mac_neigh(zvni, ifp); | |
6425 | } | |
d62a17ae | 6426 | } |
13d60d35 | 6427 | |
d62a17ae | 6428 | return 0; |
13d60d35 | 6429 | } |
6430 | ||
6431 | /* | |
6432 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6433 | * and update BGP, if required. | |
6434 | */ | |
d62a17ae | 6435 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6436 | { |
d62a17ae | 6437 | vni_t vni; |
b7cfce93 MK |
6438 | struct zebra_if *zif = NULL; |
6439 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6440 | zebra_vni_t *zvni = NULL; |
6441 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6442 | |
2853fed6 | 6443 | /* Check if EVPN is enabled. */ |
6444 | if (!is_evpn_enabled()) | |
d62a17ae | 6445 | return 0; |
13d60d35 | 6446 | |
d62a17ae | 6447 | zif = ifp->info; |
6448 | assert(zif); | |
6449 | vxl = &zif->l2info.vxl; | |
6450 | vni = vxl->vni; | |
13d60d35 | 6451 | |
643215ce | 6452 | zl3vni = zl3vni_lookup(vni); |
6453 | if (zl3vni) { | |
b7cfce93 MK |
6454 | |
6455 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6456 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6457 | ifp->ifindex); | |
13d60d35 | 6458 | |
b7cfce93 MK |
6459 | /* process oper-down for l3-vni */ |
6460 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6461 | |
b7cfce93 | 6462 | /* remove the association with vxlan_if */ |
b67a60d2 | 6463 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6464 | zl3vni->vxlan_if = NULL; |
6465 | } else { | |
13d60d35 | 6466 | |
b7cfce93 | 6467 | /* process if-del for l2-vni*/ |
b7cfce93 | 6468 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6469 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6470 | ifp->ifindex); | |
b7cfce93 MK |
6471 | |
6472 | /* Locate hash entry; it is expected to exist. */ | |
6473 | zvni = zvni_lookup(vni); | |
6474 | if (!zvni) { | |
9df414fe | 6475 | zlog_debug( |
b7cfce93 MK |
6476 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6477 | ifp->name, ifp->ifindex, vni); | |
6478 | return 0; | |
6479 | } | |
6480 | ||
6481 | /* remove from l3-vni list */ | |
6482 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6483 | if (zl3vni) | |
6484 | listnode_delete(zl3vni->l2vnis, zvni); | |
6485 | ||
6486 | /* Delete VNI from BGP. */ | |
6487 | zvni_send_del_to_client(zvni->vni); | |
6488 | ||
6489 | /* Free up all neighbors and MAC, if any. */ | |
6490 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6491 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6492 | ||
6493 | /* Free up all remote VTEPs, if any. */ | |
6494 | zvni_vtep_del_all(zvni, 0); | |
6495 | ||
6496 | /* Delete the hash entry. */ | |
6497 | if (zvni_del(zvni)) { | |
e914ccbe | 6498 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
6499 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6500 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6501 | return -1; |
6502 | } | |
d62a17ae | 6503 | } |
d62a17ae | 6504 | return 0; |
13d60d35 | 6505 | } |
6506 | ||
6507 | /* | |
6508 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6509 | */ | |
d7c0a89a | 6510 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6511 | { |
d62a17ae | 6512 | vni_t vni; |
b7cfce93 MK |
6513 | struct zebra_if *zif = NULL; |
6514 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6515 | zebra_vni_t *zvni = NULL; |
6516 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6517 | |
2853fed6 | 6518 | /* Check if EVPN is enabled. */ |
6519 | if (!is_evpn_enabled()) | |
d62a17ae | 6520 | return 0; |
6521 | ||
6522 | zif = ifp->info; | |
6523 | assert(zif); | |
6524 | vxl = &zif->l2info.vxl; | |
6525 | vni = vxl->vni; | |
6526 | ||
643215ce | 6527 | zl3vni = zl3vni_lookup(vni); |
6528 | if (zl3vni) { | |
af026ae4 | 6529 | |
b7cfce93 MK |
6530 | if (IS_ZEBRA_DEBUG_VXLAN) |
6531 | zlog_debug( | |
6532 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6533 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6534 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6535 | zif->brslave_info.bridge_ifindex, chgflags); |
6536 | ||
6537 | /* Removed from bridge? Cleanup and return */ | |
6538 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6539 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6540 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6541 | return 0; | |
6542 | } | |
6543 | ||
6544 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6545 | * svi_if and then process oper up again |
6546 | */ | |
b7cfce93 MK |
6547 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6548 | if (if_is_operative(ifp)) { | |
6549 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6550 | zl3vni->svi_if = NULL; | |
6551 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6552 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6553 | if (is_l3vni_oper_up(zl3vni)) |
6554 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6555 | zl3vni); |
b7cfce93 MK |
6556 | } |
6557 | } | |
d62a17ae | 6558 | |
12eeac84 MK |
6559 | /* |
6560 | * local-ip change - process oper down, associate with new | |
6561 | * local-ip and then process oper up again | |
6562 | */ | |
6563 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6564 | if (if_is_operative(ifp)) { | |
6565 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6566 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6567 | if (is_l3vni_oper_up(zl3vni)) | |
6568 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6569 | zl3vni); |
12eeac84 MK |
6570 | } |
6571 | } | |
6572 | ||
bca63dc8 MK |
6573 | /* Update local tunnel IP. */ |
6574 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6575 | ||
12eeac84 MK |
6576 | /* if we have a valid new master, process l3-vni oper up */ |
6577 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6578 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6579 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6580 | } | |
6581 | } else { | |
d62a17ae | 6582 | |
b7cfce93 MK |
6583 | /* Update VNI hash. */ |
6584 | zvni = zvni_lookup(vni); | |
6585 | if (!zvni) { | |
9df414fe | 6586 | zlog_debug( |
b7cfce93 MK |
6587 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6588 | ifp->name, ifp->ifindex, vni); | |
6589 | return -1; | |
6590 | } | |
d62a17ae | 6591 | |
b7cfce93 MK |
6592 | if (IS_ZEBRA_DEBUG_VXLAN) |
6593 | zlog_debug( | |
6594 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6595 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6596 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6597 | zif->brslave_info.bridge_ifindex, chgflags); |
6598 | ||
6599 | /* Removed from bridge? Cleanup and return */ | |
6600 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6601 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6602 | /* Delete from client, remove all remote VTEPs */ | |
6603 | /* Also, free up all MACs and neighbors. */ | |
6604 | zvni_send_del_to_client(zvni->vni); | |
6605 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6606 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6607 | zvni_vtep_del_all(zvni, 1); | |
6608 | return 0; | |
6609 | } | |
d62a17ae | 6610 | |
b7cfce93 MK |
6611 | /* Handle other changes. */ |
6612 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6613 | /* Remove all existing local neigh and MACs for this VNI | |
6614 | * (including from BGP) | |
6615 | */ | |
6616 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6617 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6618 | } | |
d62a17ae | 6619 | |
b7cfce93 MK |
6620 | zvni->local_vtep_ip = vxl->vtep_ip; |
6621 | zvni->vxlan_if = ifp; | |
d62a17ae | 6622 | |
b7cfce93 MK |
6623 | /* Take further actions needed. |
6624 | * Note that if we are here, there is a change of interest. | |
6625 | */ | |
6626 | /* If down or not mapped to a bridge, we're done. */ | |
6627 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6628 | return 0; | |
d62a17ae | 6629 | |
b7cfce93 MK |
6630 | /* Inform BGP, if there is a change of interest. */ |
6631 | if (chgflags | |
6632 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6633 | zvni_send_add_to_client(zvni); | |
6634 | ||
6635 | /* If there is a valid new master or a VLAN mapping change, | |
6636 | * read and populate local MACs and neighbors. | |
6637 | * Also, reinstall any remote MACs and neighbors | |
6638 | * for this VNI (based on new VLAN). | |
6639 | */ | |
6640 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6641 | zvni_read_mac_neigh(zvni, ifp); | |
6642 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6643 | struct mac_walk_ctx m_wctx; | |
6644 | struct neigh_walk_ctx n_wctx; | |
6645 | ||
6646 | zvni_read_mac_neigh(zvni, ifp); | |
6647 | ||
6648 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6649 | m_wctx.zvni = zvni; | |
996c9314 | 6650 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6651 | &m_wctx); |
6652 | ||
6653 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6654 | n_wctx.zvni = zvni; | |
6655 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6656 | &n_wctx); | |
6657 | } | |
d62a17ae | 6658 | } |
6659 | ||
6660 | return 0; | |
13d60d35 | 6661 | } |
6662 | ||
6663 | /* | |
6664 | * Handle VxLAN interface add. | |
6665 | */ | |
d62a17ae | 6666 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6667 | { |
d62a17ae | 6668 | vni_t vni; |
b7cfce93 MK |
6669 | struct zebra_if *zif = NULL; |
6670 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6671 | zebra_vni_t *zvni = NULL; |
6672 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6673 | |
2853fed6 | 6674 | /* Check if EVPN is enabled. */ |
6675 | if (!is_evpn_enabled()) | |
d62a17ae | 6676 | return 0; |
13d60d35 | 6677 | |
d62a17ae | 6678 | zif = ifp->info; |
6679 | assert(zif); | |
6680 | vxl = &zif->l2info.vxl; | |
6681 | vni = vxl->vni; | |
13d60d35 | 6682 | |
643215ce | 6683 | zl3vni = zl3vni_lookup(vni); |
6684 | if (zl3vni) { | |
13d60d35 | 6685 | |
b7cfce93 | 6686 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6687 | if (IS_ZEBRA_DEBUG_VXLAN) |
6688 | zlog_debug( | |
6689 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6690 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6691 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6692 | zif->brslave_info.bridge_ifindex); |
6693 | ||
b7cfce93 | 6694 | /* associate with vxlan_if */ |
b67a60d2 | 6695 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6696 | zl3vni->vxlan_if = ifp; |
6697 | ||
6698 | /* Associate with SVI, if any. We can associate with svi-if only | |
6699 | * after association with vxlan_if is complete */ | |
6700 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6701 | ||
6702 | if (is_l3vni_oper_up(zl3vni)) | |
6703 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6704 | } else { | |
6705 | ||
6706 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6707 | struct interface *vlan_if = NULL; |
6708 | ||
6709 | /* Create or update VNI hash. */ | |
6710 | zvni = zvni_lookup(vni); | |
6711 | if (!zvni) { | |
6712 | zvni = zvni_add(vni); | |
6713 | if (!zvni) { | |
af4c2728 | 6714 | flog_err( |
e914ccbe | 6715 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
6716 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6717 | ifp->name, ifp->ifindex, vni); | |
6718 | return -1; | |
6719 | } | |
6720 | } | |
6721 | ||
6722 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6723 | zvni->vxlan_if = ifp; | |
6724 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6725 | zif->brslave_info.br_if); | |
6726 | if (vlan_if) { | |
6727 | zvni->vrf_id = vlan_if->vrf_id; | |
6728 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6729 | if (zl3vni) | |
6730 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6731 | } | |
6732 | ||
6733 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6734 | zlog_debug( | |
6735 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6736 | vni, | |
996c9314 LB |
6737 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6738 | : "Default", | |
6739 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6740 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6741 | zif->brslave_info.bridge_ifindex); |
6742 | ||
6743 | /* If down or not mapped to a bridge, we're done. */ | |
6744 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6745 | return 0; | |
6746 | ||
6747 | /* Inform BGP */ | |
6748 | zvni_send_add_to_client(zvni); | |
6749 | ||
6750 | /* Read and populate local MACs and neighbors */ | |
6751 | zvni_read_mac_neigh(zvni, ifp); | |
6752 | } | |
6753 | ||
6754 | return 0; | |
6755 | } | |
6756 | ||
996c9314 LB |
6757 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6758 | char *err, int err_str_sz, int filter, | |
6759 | int add) | |
b7cfce93 MK |
6760 | { |
6761 | zebra_l3vni_t *zl3vni = NULL; | |
6762 | struct zebra_vrf *zvrf_default = NULL; | |
6763 | ||
6764 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6765 | if (!zvrf_default) | |
6766 | return -1; | |
6767 | ||
6768 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6769 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6770 | add ? "ADD" : "DEL"); |
6771 | ||
6772 | if (add) { | |
6773 | ||
6774 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6775 | ||
6776 | /* check if the vni is already present under zvrf */ | |
6777 | if (zvrf->l3vni) { | |
3f02fbab | 6778 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6779 | "VNI is already configured under the vrf"); |
6780 | return -1; | |
6781 | } | |
6782 | ||
6783 | /* check if this VNI is already present in the system */ | |
6784 | zl3vni = zl3vni_lookup(vni); | |
6785 | if (zl3vni) { | |
3f02fbab | 6786 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6787 | "VNI is already configured as L3-VNI"); |
6788 | return -1; | |
6789 | } | |
6790 | ||
6791 | /* add the L3-VNI to the global table */ | |
6792 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6793 | if (!zl3vni) { | |
996c9314 | 6794 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6795 | return -1; |
6796 | } | |
6797 | ||
6798 | /* associate the vrf with vni */ | |
6799 | zvrf->l3vni = vni; | |
6800 | ||
c48d9f5f MK |
6801 | /* set the filter in l3vni to denote if we are using l3vni only |
6802 | * for prefix routes | |
6803 | */ | |
6804 | if (filter) | |
6805 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6806 | ||
b7cfce93 | 6807 | /* associate with vxlan-intf; |
523cafc4 | 6808 | * we need to associate with the vxlan-intf first |
6809 | */ | |
b7cfce93 MK |
6810 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6811 | ||
6812 | /* associate with corresponding SVI interface, we can associate | |
6813 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6814 | * complete |
6815 | */ | |
b7cfce93 MK |
6816 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6817 | ||
6818 | /* formulate l2vni list */ | |
996c9314 LB |
6819 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6820 | zl3vni); | |
b7cfce93 MK |
6821 | |
6822 | if (is_l3vni_oper_up(zl3vni)) | |
6823 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6824 | ||
6825 | } else { | |
6826 | zl3vni = zl3vni_lookup(vni); | |
6827 | if (!zl3vni) { | |
3f02fbab | 6828 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6829 | return -1; |
6830 | } | |
b7cfce93 | 6831 | |
cf299714 MK |
6832 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6833 | snprintf(err, ERR_STR_SZ, | |
6834 | "prefix-routes-only is not set for the vni"); | |
6835 | return -1; | |
6836 | } | |
6837 | ||
b7cfce93 MK |
6838 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6839 | ||
5e06422c | 6840 | /* delete and uninstall all rmacs */ |
996c9314 | 6841 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6842 | zl3vni); |
6843 | ||
6844 | /* delete and uninstall all next-hops */ | |
996c9314 | 6845 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6846 | zl3vni); |
6847 | ||
b7cfce93 MK |
6848 | zvrf->l3vni = 0; |
6849 | zl3vni_del(zl3vni); | |
6850 | ||
6851 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6852 | } |
b7cfce93 MK |
6853 | return 0; |
6854 | } | |
13d60d35 | 6855 | |
84915b0a | 6856 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6857 | { | |
6858 | zebra_l3vni_t *zl3vni = NULL; | |
6859 | ||
6860 | if (zvrf->l3vni) | |
6861 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6862 | if (!zl3vni) | |
6863 | return 0; | |
6864 | ||
6865 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6866 | if (is_l3vni_oper_up(zl3vni)) | |
6867 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6868 | return 0; | |
6869 | } | |
6870 | ||
6871 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6872 | { |
6873 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6874 | |
84915b0a | 6875 | if (zvrf->l3vni) |
6876 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6877 | if (!zl3vni) |
d62a17ae | 6878 | return 0; |
13d60d35 | 6879 | |
84915b0a | 6880 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6881 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6882 | return 0; |
6883 | } | |
6884 | ||
6885 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6886 | { | |
6887 | zebra_l3vni_t *zl3vni = NULL; | |
6888 | vni_t vni; | |
6889 | ||
6890 | if (zvrf->l3vni) | |
6891 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6892 | if (!zl3vni) | |
6893 | return 0; | |
6894 | ||
6895 | vni = zl3vni->vni; | |
b7cfce93 | 6896 | zl3vni_del(zl3vni); |
84915b0a | 6897 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6898 | |
d62a17ae | 6899 | return 0; |
13d60d35 | 6900 | } |
6901 | ||
31310b25 MK |
6902 | /* |
6903 | * Handle message from client to enable/disable advertisement of g/w macip | |
6904 | * routes | |
6905 | */ | |
89f4e507 | 6906 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6907 | { |
6908 | struct stream *s; | |
6909 | int advertise; | |
6910 | vni_t vni = 0; | |
6911 | zebra_vni_t *zvni = NULL; | |
6912 | struct interface *ifp = NULL; | |
6913 | struct zebra_if *zif = NULL; | |
6914 | struct zebra_l2info_vxlan zl2_info; | |
6915 | struct interface *vlan_if = NULL; | |
6916 | ||
6917 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
6918 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6919 | zvrf_id(zvrf)); | |
8068a649 | 6920 | return; |
31310b25 MK |
6921 | } |
6922 | ||
1002497a | 6923 | s = msg; |
2017b3ea | 6924 | STREAM_GETC(s, advertise); |
31310b25 MK |
6925 | vni = stream_get3(s); |
6926 | ||
6927 | zvni = zvni_lookup(vni); | |
6928 | if (!zvni) | |
8068a649 | 6929 | return; |
31310b25 MK |
6930 | |
6931 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6932 | return; |
31310b25 MK |
6933 | |
6934 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6935 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6936 | advertise ? "enabled" : "disabled", vni, | |
6937 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6938 | |
6939 | ||
6940 | zvni->advertise_subnet = advertise; | |
6941 | ||
6942 | ifp = zvni->vxlan_if; | |
6943 | if (!ifp) | |
8068a649 | 6944 | return; |
31310b25 MK |
6945 | |
6946 | zif = ifp->info; | |
6947 | ||
6948 | /* If down or not mapped to a bridge, we're done. */ | |
6949 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6950 | return; |
31310b25 MK |
6951 | |
6952 | zl2_info = zif->l2info.vxl; | |
6953 | ||
996c9314 LB |
6954 | vlan_if = |
6955 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6956 | if (!vlan_if) |
8068a649 | 6957 | return; |
31310b25 MK |
6958 | |
6959 | if (zvni->advertise_subnet) | |
6960 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6961 | else | |
6962 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6963 | |
6964 | stream_failure: | |
6965 | return; | |
31310b25 MK |
6966 | } |
6967 | ||
1a98c087 MK |
6968 | /* |
6969 | * Handle message from client to enable/disable advertisement of g/w macip | |
6970 | * routes | |
6971 | */ | |
89f4e507 | 6972 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6973 | { |
6974 | struct stream *s; | |
6975 | int advertise; | |
6976 | vni_t vni = 0; | |
6977 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6978 | struct interface *ifp = NULL; |
1a98c087 | 6979 | |
2853fed6 | 6980 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6981 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6982 | zvrf_id(zvrf)); | |
8068a649 | 6983 | return; |
2853fed6 | 6984 | } |
6985 | ||
1002497a | 6986 | s = msg; |
ec93aa12 | 6987 | STREAM_GETC(s, advertise); |
cc6d5476 | 6988 | STREAM_GETL(s, vni); |
1a98c087 MK |
6989 | |
6990 | if (!vni) { | |
6991 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6992 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6993 | advertise ? "enabled" : "disabled", |
2853fed6 | 6994 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6995 | ? "enabled" |
6996 | : "disabled"); | |
6997 | ||
6998 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6999 | return; |
1a98c087 MK |
7000 | |
7001 | zvrf->advertise_gw_macip = advertise; | |
7002 | ||
2853fed6 | 7003 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 7004 | hash_iterate(zvrf->vni_table, |
2853fed6 | 7005 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
7006 | else |
7007 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 7008 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
7009 | |
7010 | } else { | |
7011 | struct zebra_if *zif = NULL; | |
7012 | struct zebra_l2info_vxlan zl2_info; | |
7013 | struct interface *vlan_if = NULL; | |
7014 | struct interface *vrr_if = NULL; | |
7015 | ||
01a6143b MK |
7016 | zvni = zvni_lookup(vni); |
7017 | if (!zvni) | |
124ead27 | 7018 | return; |
01a6143b | 7019 | |
1a98c087 MK |
7020 | if (IS_ZEBRA_DEBUG_VXLAN) |
7021 | zlog_debug( | |
2853fed6 | 7022 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 7023 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
7024 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7025 | : "disabled"); | |
1a98c087 | 7026 | |
1a98c087 | 7027 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7028 | return; |
1a98c087 MK |
7029 | |
7030 | zvni->advertise_gw_macip = advertise; | |
7031 | ||
b5ebdc9b | 7032 | ifp = zvni->vxlan_if; |
7033 | if (!ifp) | |
8068a649 | 7034 | return; |
b5ebdc9b | 7035 | |
7036 | zif = ifp->info; | |
7037 | ||
7038 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7039 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7040 | return; |
b5ebdc9b | 7041 | |
1a98c087 MK |
7042 | zl2_info = zif->l2info.vxl; |
7043 | ||
2853fed6 | 7044 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7045 | zif->brslave_info.br_if); |
7046 | if (!vlan_if) | |
8068a649 | 7047 | return; |
1a98c087 | 7048 | |
2853fed6 | 7049 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7050 | /* Add primary SVI MAC-IP */ |
7051 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7052 | ||
7053 | /* Add VRR MAC-IP - if any*/ | |
7054 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7055 | if (vrr_if) | |
7056 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7057 | } else { | |
7058 | /* Del primary MAC-IP */ | |
7059 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7060 | ||
7061 | /* Del VRR MAC-IP - if any*/ | |
7062 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7063 | if (vrr_if) | |
7064 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7065 | } | |
7066 | } | |
7067 | ||
ec93aa12 | 7068 | stream_failure: |
8068a649 | 7069 | return; |
1a98c087 MK |
7070 | } |
7071 | ||
7072 | ||
13d60d35 | 7073 | /* |
7074 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7075 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7076 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7077 | * uninstalled from the kernel. | |
7078 | */ | |
89f4e507 | 7079 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7080 | { |
655b04d1 MK |
7081 | struct stream *s = NULL; |
7082 | int advertise = 0; | |
7083 | struct zebra_ns *zns = NULL; | |
13d60d35 | 7084 | |
2853fed6 | 7085 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7086 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7087 | zvrf_id(zvrf)); | |
8068a649 | 7088 | return; |
2853fed6 | 7089 | } |
7090 | ||
1002497a | 7091 | s = msg; |
ec93aa12 | 7092 | STREAM_GETC(s, advertise); |
13d60d35 | 7093 | |
d62a17ae | 7094 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7095 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 7096 | advertise ? "enabled" : "disabled", |
2853fed6 | 7097 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 7098 | |
d62a17ae | 7099 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7100 | return; |
13d60d35 | 7101 | |
d62a17ae | 7102 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7103 | if (is_evpn_enabled()) { |
d62a17ae | 7104 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7105 | zvni_build_hash_table(); |
2232a77c | 7106 | |
1a98c087 MK |
7107 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7108 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7109 | NULL); |
1a98c087 | 7110 | |
d62a17ae | 7111 | /* Read the MAC FDB */ |
7112 | macfdb_read(zvrf->zns); | |
2232a77c | 7113 | |
d62a17ae | 7114 | /* Read neighbors */ |
7115 | neigh_read(zvrf->zns); | |
7116 | } else { | |
7117 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7118 | * kernel and free entries. | |
7119 | */ | |
7120 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7121 | |
7122 | /* cleanup all l3vnis */ | |
7123 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7124 | if (!zns) | |
8068a649 | 7125 | return; |
655b04d1 MK |
7126 | |
7127 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 7128 | } |
13d60d35 | 7129 | |
ec93aa12 | 7130 | stream_failure: |
8068a649 | 7131 | return; |
13d60d35 | 7132 | } |
7133 | ||
7134 | /* | |
7135 | * Allocate VNI hash table for this VRF and do other initialization. | |
7136 | * NOTE: Currently supported only for default VRF. | |
7137 | */ | |
d62a17ae | 7138 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7139 | { |
d62a17ae | 7140 | if (!zvrf) |
7141 | return; | |
7142 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7143 | "Zebra VRF VNI Table"); | |
13d60d35 | 7144 | } |
7145 | ||
84915b0a | 7146 | /* Cleanup VNI info, but don't free the table. */ |
7147 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7148 | { | |
7149 | if (!zvrf) | |
7150 | return; | |
7151 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7152 | } | |
7153 | ||
13d60d35 | 7154 | /* Close all VNI handling */ |
d62a17ae | 7155 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7156 | { |
2853fed6 | 7157 | if (!zvrf) |
7158 | return; | |
d62a17ae | 7159 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7160 | hash_free(zvrf->vni_table); |
13d60d35 | 7161 | } |
b7cfce93 MK |
7162 | |
7163 | /* init the l3vni table */ | |
7164 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7165 | { | |
7166 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
7167 | "Zebra VRF L3 VNI table"); | |
7168 | } | |
7169 | ||
7170 | /* free l3vni table */ | |
7171 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7172 | { | |
7173 | hash_free(zns->l3vni_table); | |
7174 | } | |
d3135ba3 | 7175 | |
7176 | /* get the l3vni svi ifindex */ | |
7177 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7178 | { | |
7179 | zebra_l3vni_t *zl3vni = NULL; | |
7180 | ||
7181 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7182 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7183 | return 0; | |
7184 | ||
7185 | return zl3vni->svi_if->ifindex; | |
7186 | } |