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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; | |
98efddf1 | 2629 | struct in_addr vtep_ip; |
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)), | |
4848ef74 A |
4272 | " IP ", |
4273 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 4274 | n_type, |
4275 | tmp_seq); | |
4276 | return; | |
4277 | } | |
4278 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4279 | /* MAC change, send a delete for old | |
4280 | * neigh if learnt locally. | |
4281 | */ | |
4282 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4283 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4284 | zvni_neigh_send_del_to_client( | |
4285 | zvni->vni, &n->ip, | |
4286 | &n->emac, 0); | |
4287 | ||
4288 | /* update neigh list for macs */ | |
4289 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4290 | if (old_mac) { | |
4291 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 4292 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 4293 | } |
4294 | listnode_add_sort(mac->neigh_list, n); | |
4295 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4296 | } | |
4297 | } | |
4298 | ||
4299 | /* Set "remote" forwarding info. */ | |
4300 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4301 | n->r_vtep_ip = vtep_ip; | |
4302 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4303 | ||
4304 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4305 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4306 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4307 | else |
4308 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4309 | |
4310 | /* Install the entry. */ | |
4311 | zvni_neigh_install(zvni, n); | |
4312 | } | |
4313 | ||
4314 | /* Update seq number. */ | |
4315 | n->rem_seq = seq; | |
4316 | } | |
4317 | ||
4318 | /* Process a remote MACIP delete from BGP. */ | |
4319 | static void process_remote_macip_del(vni_t vni, | |
4320 | struct ethaddr *macaddr, | |
9df2b997 | 4321 | uint16_t ipa_len, |
f07e1c99 | 4322 | struct ipaddr *ipaddr, |
4323 | struct in_addr vtep_ip) | |
4324 | { | |
4325 | zebra_vni_t *zvni; | |
4326 | zebra_mac_t *mac = NULL; | |
4327 | zebra_neigh_t *n = NULL; | |
4328 | struct interface *ifp = NULL; | |
4329 | struct zebra_if *zif = NULL; | |
4330 | char buf[ETHER_ADDR_STRLEN]; | |
4331 | char buf1[INET6_ADDRSTRLEN]; | |
4332 | ||
4333 | /* Locate VNI hash entry - expected to exist. */ | |
4334 | zvni = zvni_lookup(vni); | |
4335 | if (!zvni) { | |
4336 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4337 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4338 | return; | |
4339 | } | |
4340 | ||
4341 | ifp = zvni->vxlan_if; | |
4342 | if (ifp) | |
4343 | zif = ifp->info; | |
4344 | if (!ifp || | |
4345 | !if_is_operative(ifp) || | |
4346 | !zif || | |
4347 | !zif->brslave_info.br_if) { | |
4348 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4349 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4350 | vni); | |
4351 | return; | |
4352 | } | |
4353 | ||
4354 | /* The remote VTEP specified is normally expected to exist, but | |
4355 | * it is possible that the peer may delete the VTEP before deleting | |
4356 | * any MACs referring to the VTEP, in which case the handler (see | |
4357 | * remote_vtep_del) would have already deleted the MACs. | |
4358 | */ | |
4359 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4360 | return; | |
4361 | ||
4362 | mac = zvni_mac_lookup(zvni, macaddr); | |
4363 | if (ipa_len) | |
4364 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4365 | ||
4366 | if (n && !mac) { | |
4367 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4368 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4369 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4370 | return; | |
4371 | } | |
4372 | ||
4373 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4374 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4375 | */ | |
4376 | if (!mac && !n) | |
4377 | return; | |
4378 | ||
4379 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4380 | if (mac | |
4381 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4382 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4383 | zlog_warn( | |
4384 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4385 | vni, | |
4386 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4387 | ipa_len ? " IP " : "", | |
4388 | ipa_len ? | |
4389 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4390 | return; | |
4391 | } | |
4392 | ||
4393 | /* Uninstall remote neighbor or MAC. */ | |
4394 | if (n) { | |
4395 | /* When the MAC changes for an IP, it is possible the | |
4396 | * client may update the new MAC before trying to delete the | |
4397 | * "old" neighbor (as these are two different MACIP routes). | |
4398 | * Do the delete only if the MAC matches. | |
4399 | */ | |
4400 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4401 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4402 | zvni_neigh_uninstall(zvni, n); | |
4403 | zvni_neigh_del(zvni, n); | |
fe697c6b | 4404 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 4405 | } |
4406 | } else { | |
4407 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4408 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
4409 | ||
fe697c6b | 4410 | /* If all remote neighbors referencing a remote MAC |
4411 | * go away, we need to uninstall the MAC. | |
4412 | */ | |
4413 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 4414 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 4415 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
4416 | } | |
4417 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 4418 | zvni_mac_del(zvni, mac); |
fe697c6b | 4419 | else |
f07e1c99 | 4420 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
4421 | } | |
4422 | } | |
4423 | } | |
4424 | ||
4425 | ||
b7cfce93 MK |
4426 | /* Public functions */ |
4427 | ||
c48d9f5f MK |
4428 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4429 | { | |
4430 | zebra_l3vni_t *zl3vni = NULL; | |
4431 | ||
4432 | zl3vni = zl3vni_lookup(vni); | |
4433 | if (!zl3vni) | |
4434 | return 0; | |
4435 | ||
4436 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4437 | } | |
4438 | ||
2dbad57f | 4439 | /* handle evpn route in vrf table */ |
996c9314 LB |
4440 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4441 | struct ipaddr *vtep_ip, | |
4442 | struct prefix *host_prefix) | |
2dbad57f | 4443 | { |
4444 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4445 | struct ipaddr ipv4_vtep; |
2dbad57f | 4446 | |
4447 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4448 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4449 | return; | |
4450 | ||
3518f352 | 4451 | /* |
f50dc5e6 MK |
4452 | * add the next hop neighbor - |
4453 | * neigh to be installed is the ipv6 nexthop neigh | |
4454 | */ | |
3518f352 | 4455 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4456 | |
f50dc5e6 MK |
4457 | /* |
4458 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4459 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4460 | * support ipv4 tunnels in the h/w right now | |
4461 | */ | |
4462 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4463 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4464 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4465 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4466 | &(ipv4_vtep.ipaddr_v4)); | |
4467 | else | |
4468 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4469 | sizeof(struct in_addr)); | |
4470 | ||
3518f352 DS |
4471 | /* |
4472 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4473 | * nexthop address |
4474 | */ | |
3518f352 | 4475 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4476 | } |
4477 | ||
4478 | /* handle evpn vrf route delete */ | |
22e63104 | 4479 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4480 | struct ipaddr *vtep_ip, |
4481 | struct prefix *host_prefix) | |
2dbad57f | 4482 | { |
4483 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4484 | zebra_neigh_t *nh = NULL; |
4485 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4486 | |
4487 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4488 | if (!zl3vni) |
2dbad57f | 4489 | return; |
4490 | ||
22e63104 | 4491 | /* find the next hop entry and rmac entry */ |
4492 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4493 | if (!nh) | |
4494 | return; | |
4495 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4496 | ||
2dbad57f | 4497 | /* delete the next hop entry */ |
22e63104 | 4498 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4499 | |
4500 | /* delete the rmac entry */ | |
22e63104 | 4501 | if (zrmac) |
4502 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4503 | ||
2dbad57f | 4504 | } |
4505 | ||
996c9314 | 4506 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4507 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4508 | { |
4509 | zebra_l3vni_t *zl3vni = NULL; | |
4510 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4511 | json_object *json = NULL; |
9aa741ea | 4512 | |
316f4ca4 MK |
4513 | if (!is_evpn_enabled()) { |
4514 | if (use_json) | |
4515 | vty_out(vty, "{}\n"); | |
9aa741ea | 4516 | return; |
316f4ca4 MK |
4517 | } |
4518 | ||
4519 | if (use_json) | |
4520 | json = json_object_new_object(); | |
9aa741ea MK |
4521 | |
4522 | zl3vni = zl3vni_lookup(l3vni); | |
4523 | if (!zl3vni) { | |
316f4ca4 MK |
4524 | if (use_json) |
4525 | vty_out(vty, "{}\n"); | |
4526 | else | |
996c9314 | 4527 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4528 | return; |
4529 | } | |
4530 | ||
4531 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4532 | if (!zrmac) { | |
316f4ca4 MK |
4533 | if (use_json) |
4534 | vty_out(vty, "{}\n"); | |
4535 | else | |
4536 | vty_out(vty, | |
4537 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4538 | l3vni); | |
9aa741ea MK |
4539 | return; |
4540 | } | |
4541 | ||
316f4ca4 MK |
4542 | zl3vni_print_rmac(zrmac, vty, json); |
4543 | ||
4544 | if (use_json) { | |
4545 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4546 | json, JSON_C_TO_STRING_PRETTY)); | |
4547 | json_object_free(json); | |
4548 | } | |
9aa741ea | 4549 | } |
2dbad57f | 4550 | |
9f049418 | 4551 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4552 | { |
4553 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4554 | uint32_t num_rmacs; |
b7cfce93 MK |
4555 | struct rmac_walk_ctx wctx; |
4556 | json_object *json = NULL; | |
b7cfce93 MK |
4557 | |
4558 | if (!is_evpn_enabled()) | |
4559 | return; | |
4560 | ||
4561 | zl3vni = zl3vni_lookup(l3vni); | |
4562 | if (!zl3vni) { | |
4563 | if (use_json) | |
4564 | vty_out(vty, "{}\n"); | |
4565 | else | |
4566 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4567 | return; | |
4568 | } | |
4569 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4570 | if (!num_rmacs) | |
4571 | return; | |
4572 | ||
75223c9e | 4573 | if (use_json) |
b7cfce93 | 4574 | json = json_object_new_object(); |
b7cfce93 MK |
4575 | |
4576 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4577 | wctx.vty = vty; | |
75223c9e | 4578 | wctx.json = json; |
b7cfce93 | 4579 | if (!use_json) { |
996c9314 | 4580 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4581 | num_rmacs); |
4cce389e | 4582 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4583 | } else |
4584 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4585 | ||
4586 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4587 | ||
4588 | if (use_json) { | |
b7cfce93 MK |
4589 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4590 | json, JSON_C_TO_STRING_PRETTY)); | |
4591 | json_object_free(json); | |
4592 | } | |
4593 | } | |
4594 | ||
9f049418 | 4595 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 MK |
4596 | { |
4597 | struct zebra_ns *zns = NULL; | |
b7cfce93 | 4598 | json_object *json = NULL; |
c0b4eaa4 | 4599 | void *args[2]; |
b7cfce93 MK |
4600 | |
4601 | if (!is_evpn_enabled()) { | |
4602 | if (use_json) | |
4603 | vty_out(vty, "{}\n"); | |
4604 | return; | |
4605 | } | |
4606 | ||
4607 | zns = zebra_ns_lookup(NS_DEFAULT); | |
c0b4eaa4 MK |
4608 | if (!zns) { |
4609 | if (use_json) | |
4610 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4611 | return; |
c0b4eaa4 | 4612 | } |
b7cfce93 MK |
4613 | |
4614 | if (use_json) | |
4615 | json = json_object_new_object(); | |
4616 | ||
c0b4eaa4 MK |
4617 | args[0] = vty; |
4618 | args[1] = json; | |
4619 | hash_iterate(zns->l3vni_table, | |
4620 | (void (*)(struct hash_backet *, | |
4621 | void *))zl3vni_print_rmac_hash_all_vni, | |
4622 | args); | |
b7cfce93 MK |
4623 | |
4624 | if (use_json) { | |
4625 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4626 | json, JSON_C_TO_STRING_PRETTY)); | |
4627 | json_object_free(json); | |
4628 | } | |
4629 | } | |
4630 | ||
996c9314 | 4631 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4632 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4633 | { |
4634 | zebra_l3vni_t *zl3vni = NULL; | |
4635 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4636 | json_object *json = NULL; |
9aa741ea | 4637 | |
c0e519d3 MK |
4638 | if (!is_evpn_enabled()) { |
4639 | if (use_json) | |
4640 | vty_out(vty, "{}\n"); | |
9aa741ea | 4641 | return; |
c0e519d3 MK |
4642 | } |
4643 | ||
4644 | if (use_json) | |
4645 | json = json_object_new_object(); | |
9aa741ea MK |
4646 | |
4647 | zl3vni = zl3vni_lookup(l3vni); | |
4648 | if (!zl3vni) { | |
c0e519d3 MK |
4649 | if (use_json) |
4650 | vty_out(vty, "{}\n"); | |
4651 | else | |
4652 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4653 | return; |
4654 | } | |
4655 | ||
4656 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4657 | if (!n) { | |
c0e519d3 MK |
4658 | if (use_json) |
4659 | vty_out(vty, "{}\n"); | |
4660 | else | |
4661 | vty_out(vty, | |
4662 | "%% Requested next-hop not present for L3-VNI %u", | |
4663 | l3vni); | |
9aa741ea MK |
4664 | return; |
4665 | } | |
4666 | ||
c0e519d3 MK |
4667 | zl3vni_print_nh(n, vty, json); |
4668 | ||
4669 | if (use_json) { | |
4670 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4671 | json, JSON_C_TO_STRING_PRETTY)); | |
4672 | json_object_free(json); | |
4673 | } | |
9aa741ea MK |
4674 | } |
4675 | ||
9f049418 | 4676 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4677 | { |
d7c0a89a | 4678 | uint32_t num_nh; |
2dbad57f | 4679 | struct nh_walk_ctx wctx; |
b7cfce93 | 4680 | json_object *json = NULL; |
b7cfce93 MK |
4681 | zebra_l3vni_t *zl3vni = NULL; |
4682 | ||
4683 | if (!is_evpn_enabled()) | |
4684 | return; | |
4685 | ||
4686 | zl3vni = zl3vni_lookup(l3vni); | |
4687 | if (!zl3vni) { | |
4688 | if (use_json) | |
4689 | vty_out(vty, "{}\n"); | |
4690 | else | |
4691 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4692 | return; | |
4693 | } | |
4694 | ||
4695 | num_nh = hashcount(zl3vni->nh_table); | |
4696 | if (!num_nh) | |
4697 | return; | |
4698 | ||
9187f600 | 4699 | if (use_json) |
b7cfce93 | 4700 | json = json_object_new_object(); |
b7cfce93 | 4701 | |
2dbad57f | 4702 | wctx.vty = vty; |
9187f600 | 4703 | wctx.json = json; |
b7cfce93 | 4704 | if (!use_json) { |
996c9314 | 4705 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4706 | num_nh); |
4cce389e | 4707 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4708 | } else |
4cce389e | 4709 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4710 | |
4711 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4712 | ||
4713 | if (use_json) { | |
b7cfce93 MK |
4714 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4715 | json, JSON_C_TO_STRING_PRETTY)); | |
4716 | json_object_free(json); | |
4717 | } | |
4718 | } | |
4719 | ||
9f049418 | 4720 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4721 | { |
2dbad57f | 4722 | struct zebra_ns *zns = NULL; |
2dbad57f | 4723 | json_object *json = NULL; |
32798965 | 4724 | void *args[2]; |
2dbad57f | 4725 | |
4726 | if (!is_evpn_enabled()) { | |
4727 | if (use_json) | |
4728 | vty_out(vty, "{}\n"); | |
4729 | return; | |
4730 | } | |
4731 | ||
4732 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4733 | if (!zns) | |
4734 | return; | |
4735 | ||
4736 | if (use_json) | |
4737 | json = json_object_new_object(); | |
4738 | ||
32798965 MK |
4739 | args[0] = vty; |
4740 | args[1] = json; | |
4741 | hash_iterate(zns->l3vni_table, | |
4742 | (void (*)(struct hash_backet *, | |
4743 | void *))zl3vni_print_nh_hash_all_vni, | |
4744 | args); | |
2dbad57f | 4745 | |
4746 | if (use_json) { | |
4747 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4748 | json, JSON_C_TO_STRING_PRETTY)); | |
4749 | json_object_free(json); | |
4750 | } | |
b7cfce93 MK |
4751 | } |
4752 | ||
4753 | /* | |
4754 | * Display L3 VNI information (VTY command handler). | |
4755 | */ | |
9f049418 | 4756 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4757 | { |
4758 | void *args[2]; | |
4759 | json_object *json = NULL; | |
4760 | zebra_l3vni_t *zl3vni = NULL; | |
4761 | ||
b2ee5a13 MK |
4762 | if (!is_evpn_enabled()) { |
4763 | if (use_json) | |
4764 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4765 | return; |
b2ee5a13 | 4766 | } |
b7cfce93 MK |
4767 | |
4768 | zl3vni = zl3vni_lookup(vni); | |
4769 | if (!zl3vni) { | |
4770 | if (use_json) | |
4771 | vty_out(vty, "{}\n"); | |
4772 | else | |
4773 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4774 | return; | |
4775 | } | |
4776 | ||
4777 | if (use_json) | |
4778 | json = json_object_new_object(); | |
4779 | ||
b2ee5a13 MK |
4780 | args[0] = vty; |
4781 | args[1] = json; | |
b7cfce93 MK |
4782 | zl3vni_print(zl3vni, (void *)args); |
4783 | ||
4784 | if (use_json) { | |
4785 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4786 | json, JSON_C_TO_STRING_PRETTY)); | |
4787 | json_object_free(json); | |
4788 | } | |
4789 | } | |
4790 | ||
4cce389e MK |
4791 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4792 | json_object *json_vrfs) | |
b7cfce93 | 4793 | { |
4cce389e MK |
4794 | char buf[ETHER_ADDR_STRLEN]; |
4795 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4796 | |
4cce389e MK |
4797 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4798 | if (!zl3vni) | |
b7cfce93 | 4799 | return; |
b7cfce93 | 4800 | |
4cce389e MK |
4801 | if (!json_vrfs) { |
4802 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4803 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4804 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4805 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4806 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4807 | } else { |
4cce389e | 4808 | json_object *json_vrf = NULL; |
9df2b997 | 4809 | |
4cce389e | 4810 | json_vrf = json_object_new_object(); |
996c9314 | 4811 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4812 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4813 | json_object_string_add(json_vrf, "vxlanIntf", | |
4814 | zl3vni_vxlan_if_name(zl3vni)); | |
4815 | json_object_string_add(json_vrf, "sviIntf", | |
4816 | zl3vni_svi_if_name(zl3vni)); | |
4817 | json_object_string_add(json_vrf, "state", | |
4818 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4819 | json_object_string_add( |
4820 | json_vrf, "routerMac", | |
4821 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4822 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4823 | } |
4824 | } | |
4825 | ||
4826 | /* | |
4827 | * Display Neighbors for a VNI (VTY command handler). | |
4828 | */ | |
4829 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4830 | vni_t vni, bool use_json) |
b7cfce93 MK |
4831 | { |
4832 | zebra_vni_t *zvni; | |
d7c0a89a | 4833 | uint32_t num_neigh; |
b7cfce93 MK |
4834 | struct neigh_walk_ctx wctx; |
4835 | json_object *json = NULL; | |
4836 | ||
4837 | if (!is_evpn_enabled()) | |
4838 | return; | |
4839 | zvni = zvni_lookup(vni); | |
4840 | if (!zvni) { | |
4841 | if (use_json) | |
4842 | vty_out(vty, "{}\n"); | |
4843 | else | |
4844 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4845 | return; | |
4846 | } | |
4847 | num_neigh = hashcount(zvni->neigh_table); | |
4848 | if (!num_neigh) | |
4849 | return; | |
4850 | ||
4851 | if (use_json) | |
4852 | json = json_object_new_object(); | |
4853 | ||
4854 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4855 | * size, we try to be a bit more elegant in display by first computing | |
4856 | * the maximum width. | |
4857 | */ | |
4858 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4859 | wctx.zvni = zvni; | |
4860 | wctx.vty = vty; | |
4861 | wctx.addr_width = 15; | |
4862 | wctx.json = json; | |
4863 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4864 | ||
4865 | if (!use_json) { | |
4866 | vty_out(vty, | |
4867 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4868 | num_neigh); | |
1a8c5c38 | 4869 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4870 | -wctx.addr_width, "IP", "Type", | |
4871 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4872 | } else |
4873 | json_object_int_add(json, "numArpNd", num_neigh); | |
4874 | ||
4875 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4876 | if (use_json) { | |
4877 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4878 | json, JSON_C_TO_STRING_PRETTY)); | |
4879 | json_object_free(json); | |
4880 | } | |
4881 | } | |
4882 | ||
4883 | /* | |
4884 | * Display neighbors across all VNIs (VTY command handler). | |
4885 | */ | |
4886 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4887 | bool use_json) |
b7cfce93 MK |
4888 | { |
4889 | json_object *json = NULL; | |
4890 | void *args[2]; | |
4891 | ||
4892 | if (!is_evpn_enabled()) | |
4893 | return; | |
4894 | ||
4895 | if (use_json) | |
4896 | json = json_object_new_object(); | |
4897 | ||
4898 | args[0] = vty; | |
4899 | args[1] = json; | |
4900 | hash_iterate(zvrf->vni_table, | |
4901 | (void (*)(struct hash_backet *, | |
4902 | void *))zvni_print_neigh_hash_all_vni, | |
4903 | args); | |
4904 | if (use_json) { | |
4905 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4906 | json, JSON_C_TO_STRING_PRETTY)); | |
4907 | json_object_free(json); | |
4908 | } | |
4909 | } | |
4910 | ||
4911 | /* | |
4912 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4913 | */ | |
4914 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4915 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 4916 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
4917 | { |
4918 | zebra_vni_t *zvni; | |
4919 | zebra_neigh_t *n; | |
4920 | json_object *json = NULL; | |
4921 | ||
4922 | if (!is_evpn_enabled()) | |
4923 | return; | |
4924 | zvni = zvni_lookup(vni); | |
4925 | if (!zvni) { | |
4926 | if (use_json) | |
cd233079 CS |
4927 | vty_out(vty, "{}\n"); |
4928 | else | |
4929 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4930 | return; |
4931 | } | |
4932 | n = zvni_neigh_lookup(zvni, ip); | |
4933 | if (!n) { | |
cd233079 CS |
4934 | if (!use_json) |
4935 | vty_out(vty, | |
4936 | "%% Requested neighbor does not exist in VNI %u\n", | |
4937 | vni); | |
d62a17ae | 4938 | return; |
4939 | } | |
cd233079 CS |
4940 | if (use_json) |
4941 | json = json_object_new_object(); | |
4942 | ||
4943 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4944 | |
cd233079 CS |
4945 | if (use_json) { |
4946 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4947 | json, JSON_C_TO_STRING_PRETTY)); | |
4948 | json_object_free(json); | |
4949 | } | |
cec2e17d | 4950 | } |
4951 | ||
4952 | /* | |
4953 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4954 | * By definition, these are remote neighbors. | |
4955 | */ | |
d62a17ae | 4956 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4957 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 4958 | bool use_json) |
cec2e17d | 4959 | { |
d62a17ae | 4960 | zebra_vni_t *zvni; |
d7c0a89a | 4961 | uint32_t num_neigh; |
d62a17ae | 4962 | struct neigh_walk_ctx wctx; |
cd233079 | 4963 | json_object *json = NULL; |
cec2e17d | 4964 | |
2853fed6 | 4965 | if (!is_evpn_enabled()) |
d62a17ae | 4966 | return; |
2853fed6 | 4967 | zvni = zvni_lookup(vni); |
d62a17ae | 4968 | if (!zvni) { |
cd233079 CS |
4969 | if (use_json) |
4970 | vty_out(vty, "{}\n"); | |
4971 | else | |
4972 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4973 | return; |
4974 | } | |
4975 | num_neigh = hashcount(zvni->neigh_table); | |
4976 | if (!num_neigh) | |
4977 | return; | |
cec2e17d | 4978 | |
d62a17ae | 4979 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4980 | wctx.zvni = zvni; | |
4981 | wctx.vty = vty; | |
68e33151 | 4982 | wctx.addr_width = 15; |
d62a17ae | 4983 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
4984 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 4985 | wctx.json = json; |
68e33151 | 4986 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 4987 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
4988 | |
4989 | if (use_json) { | |
4990 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4991 | json, JSON_C_TO_STRING_PRETTY)); | |
4992 | json_object_free(json); | |
4993 | } | |
cec2e17d | 4994 | } |
4995 | ||
4996 | /* | |
4997 | * Display MACs for a VNI (VTY command handler). | |
4998 | */ | |
d62a17ae | 4999 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5000 | vni_t vni, bool use_json) |
cec2e17d | 5001 | { |
d62a17ae | 5002 | zebra_vni_t *zvni; |
d7c0a89a | 5003 | uint32_t num_macs; |
d62a17ae | 5004 | struct mac_walk_ctx wctx; |
cd233079 CS |
5005 | json_object *json = NULL; |
5006 | json_object *json_mac = NULL; | |
cec2e17d | 5007 | |
2853fed6 | 5008 | if (!is_evpn_enabled()) |
d62a17ae | 5009 | return; |
2853fed6 | 5010 | zvni = zvni_lookup(vni); |
d62a17ae | 5011 | if (!zvni) { |
cd233079 CS |
5012 | if (use_json) |
5013 | vty_out(vty, "{}\n"); | |
5014 | else | |
5015 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5016 | return; |
5017 | } | |
790f8dc5 | 5018 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5019 | if (!num_macs) |
5020 | return; | |
cec2e17d | 5021 | |
cd233079 CS |
5022 | if (use_json) { |
5023 | json = json_object_new_object(); | |
5024 | json_mac = json_object_new_object(); | |
5025 | } | |
5026 | ||
d62a17ae | 5027 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5028 | wctx.zvni = zvni; | |
5029 | wctx.vty = vty; | |
cd233079 | 5030 | wctx.json = json_mac; |
cec2e17d | 5031 | |
cd233079 CS |
5032 | if (!use_json) { |
5033 | vty_out(vty, | |
5034 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5035 | num_macs); | |
5036 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5037 | "Intf/Remote VTEP", "VLAN"); | |
5038 | } else | |
5039 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5040 | |
d62a17ae | 5041 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5042 | |
5043 | if (use_json) { | |
5044 | json_object_object_add(json, "macs", json_mac); | |
5045 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5046 | json, JSON_C_TO_STRING_PRETTY)); | |
5047 | json_object_free(json); | |
5048 | } | |
cec2e17d | 5049 | } |
5050 | ||
5051 | /* | |
5052 | * Display MACs for all VNIs (VTY command handler). | |
5053 | */ | |
cd233079 | 5054 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5055 | bool use_json) |
cec2e17d | 5056 | { |
d62a17ae | 5057 | struct mac_walk_ctx wctx; |
cd233079 | 5058 | json_object *json = NULL; |
cec2e17d | 5059 | |
2853fed6 | 5060 | if (!is_evpn_enabled()) { |
cd233079 CS |
5061 | if (use_json) |
5062 | vty_out(vty, "{}\n"); | |
d62a17ae | 5063 | return; |
cd233079 CS |
5064 | } |
5065 | if (use_json) | |
5066 | json = json_object_new_object(); | |
5067 | ||
d62a17ae | 5068 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5069 | wctx.vty = vty; | |
cd233079 | 5070 | wctx.json = json; |
d62a17ae | 5071 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5072 | |
5073 | if (use_json) { | |
5074 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5075 | json, JSON_C_TO_STRING_PRETTY)); | |
5076 | json_object_free(json); | |
5077 | } | |
cec2e17d | 5078 | } |
5079 | ||
5080 | /* | |
5081 | * Display MACs for all VNIs (VTY command handler). | |
5082 | */ | |
d62a17ae | 5083 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5084 | struct zebra_vrf *zvrf, | |
9f049418 | 5085 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5086 | { |
d62a17ae | 5087 | struct mac_walk_ctx wctx; |
cd233079 | 5088 | json_object *json = NULL; |
cec2e17d | 5089 | |
2853fed6 | 5090 | if (!is_evpn_enabled()) |
d62a17ae | 5091 | return; |
cd233079 CS |
5092 | |
5093 | if (use_json) | |
5094 | json = json_object_new_object(); | |
5095 | ||
d62a17ae | 5096 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5097 | wctx.vty = vty; | |
5098 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5099 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5100 | wctx.json = json; |
d62a17ae | 5101 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5102 | |
5103 | if (use_json) { | |
5104 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5105 | json, JSON_C_TO_STRING_PRETTY)); | |
5106 | json_object_free(json); | |
5107 | } | |
cec2e17d | 5108 | } |
5109 | ||
5110 | /* | |
5111 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5112 | */ | |
d62a17ae | 5113 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5114 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 5115 | { |
d62a17ae | 5116 | zebra_vni_t *zvni; |
5117 | zebra_mac_t *mac; | |
cec2e17d | 5118 | |
2853fed6 | 5119 | if (!is_evpn_enabled()) |
d62a17ae | 5120 | return; |
2853fed6 | 5121 | zvni = zvni_lookup(vni); |
d62a17ae | 5122 | if (!zvni) { |
5123 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5124 | return; | |
5125 | } | |
5126 | mac = zvni_mac_lookup(zvni, macaddr); | |
5127 | if (!mac) { | |
5128 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
5129 | vni); | |
5130 | return; | |
5131 | } | |
cec2e17d | 5132 | |
d62a17ae | 5133 | zvni_print_mac(mac, vty); |
cec2e17d | 5134 | } |
5135 | ||
5136 | /* | |
5137 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5138 | */ | |
d62a17ae | 5139 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5140 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5141 | bool use_json) |
cec2e17d | 5142 | { |
d62a17ae | 5143 | zebra_vni_t *zvni; |
d7c0a89a | 5144 | uint32_t num_macs; |
d62a17ae | 5145 | struct mac_walk_ctx wctx; |
cd233079 CS |
5146 | json_object *json = NULL; |
5147 | json_object *json_mac = NULL; | |
cec2e17d | 5148 | |
2853fed6 | 5149 | if (!is_evpn_enabled()) |
d62a17ae | 5150 | return; |
2853fed6 | 5151 | zvni = zvni_lookup(vni); |
d62a17ae | 5152 | if (!zvni) { |
cd233079 CS |
5153 | if (use_json) |
5154 | vty_out(vty, "{}\n"); | |
5155 | else | |
5156 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5157 | return; |
5158 | } | |
790f8dc5 | 5159 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5160 | if (!num_macs) |
5161 | return; | |
cd233079 CS |
5162 | |
5163 | if (use_json) { | |
5164 | json = json_object_new_object(); | |
5165 | json_mac = json_object_new_object(); | |
5166 | } | |
5167 | ||
d62a17ae | 5168 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5169 | wctx.zvni = zvni; | |
5170 | wctx.vty = vty; | |
5171 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5172 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5173 | wctx.json = json_mac; |
d62a17ae | 5174 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5175 | |
5176 | if (use_json) { | |
5177 | json_object_int_add(json, "numMacs", wctx.count); | |
5178 | if (wctx.count) | |
5179 | json_object_object_add(json, "macs", json_mac); | |
5180 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5181 | json, JSON_C_TO_STRING_PRETTY)); | |
5182 | json_object_free(json); | |
5183 | } | |
cec2e17d | 5184 | } |
5185 | ||
5186 | ||
5187 | /* | |
5188 | * Display VNI information (VTY command handler). | |
5189 | */ | |
cd233079 | 5190 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5191 | bool use_json) |
cec2e17d | 5192 | { |
cd233079 CS |
5193 | json_object *json = NULL; |
5194 | void *args[2]; | |
1f2129ec | 5195 | zebra_l3vni_t *zl3vni = NULL; |
5196 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5197 | |
2853fed6 | 5198 | if (!is_evpn_enabled()) |
d62a17ae | 5199 | return; |
4cce389e | 5200 | |
cd233079 CS |
5201 | if (use_json) |
5202 | json = json_object_new_object(); | |
5203 | args[0] = vty; | |
5204 | args[1] = json; | |
4cce389e | 5205 | |
1f2129ec | 5206 | zl3vni = zl3vni_lookup(vni); |
5207 | if (zl3vni) { | |
4cce389e MK |
5208 | zl3vni_print(zl3vni, (void *)args); |
5209 | } else { | |
4cce389e MK |
5210 | zvni = zvni_lookup(vni); |
5211 | if (!zvni) { | |
5212 | if (use_json) | |
5213 | vty_out(vty, "{}\n"); | |
5214 | else | |
5215 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5216 | return; | |
5217 | } | |
5218 | ||
5219 | zvni_print(zvni, (void *)args); | |
5220 | } | |
5221 | ||
cd233079 CS |
5222 | if (use_json) { |
5223 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5224 | json, JSON_C_TO_STRING_PRETTY)); | |
5225 | json_object_free(json); | |
5226 | } | |
cec2e17d | 5227 | } |
5228 | ||
4cce389e | 5229 | /* Display all global details for EVPN */ |
088f1098 | 5230 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5231 | { |
4cce389e MK |
5232 | int num_l2vnis = 0; |
5233 | int num_l3vnis = 0; | |
d4454626 | 5234 | int num_vnis = 0; |
cd233079 | 5235 | json_object *json = NULL; |
4cce389e MK |
5236 | struct zebra_ns *zns = NULL; |
5237 | struct zebra_vrf *zvrf = NULL; | |
cec2e17d | 5238 | |
2853fed6 | 5239 | if (!is_evpn_enabled()) |
d62a17ae | 5240 | return; |
4cce389e MK |
5241 | |
5242 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5243 | if (!zns) | |
d62a17ae | 5244 | return; |
4cce389e MK |
5245 | |
5246 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
5247 | if (!zvrf) | |
5248 | return; | |
5249 | ||
5250 | num_l3vnis = hashcount(zns->l3vni_table); | |
5251 | num_l2vnis = hashcount(zvrf->vni_table); | |
d4454626 | 5252 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5253 | |
5254 | if (uj) { | |
cd233079 | 5255 | json = json_object_new_object(); |
ddd16ed5 MK |
5256 | json_object_string_add(json, "advertiseGatewayMacip", |
5257 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5258 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5259 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5260 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5261 | } else { |
4cce389e MK |
5262 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5263 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5264 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5265 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5266 | } |
4cce389e MK |
5267 | |
5268 | if (uj) { | |
5269 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5270 | json, JSON_C_TO_STRING_PRETTY)); | |
5271 | json_object_free(json); | |
5272 | } | |
5273 | } | |
5274 | ||
5275 | /* | |
5276 | * Display VNI hash table (VTY command handler). | |
5277 | */ | |
5278 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5279 | bool use_json) |
4cce389e MK |
5280 | { |
5281 | json_object *json = NULL; | |
5282 | struct zebra_ns *zns = NULL; | |
5283 | void *args[2]; | |
5284 | ||
5285 | if (!is_evpn_enabled()) | |
5286 | return; | |
5287 | ||
5288 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5289 | if (!zns) | |
5290 | return; | |
5291 | ||
5292 | ||
5293 | if (use_json) | |
5294 | json = json_object_new_object(); | |
5295 | else | |
996c9314 LB |
5296 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5297 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5298 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5299 | |
cd233079 CS |
5300 | args[0] = vty; |
5301 | args[1] = json; | |
5302 | ||
4cce389e | 5303 | /* Display all L2-VNIs */ |
cd233079 CS |
5304 | hash_iterate(zvrf->vni_table, |
5305 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5306 | args); | |
5307 | ||
4cce389e MK |
5308 | /* Display all L3-VNIs */ |
5309 | hash_iterate(zns->l3vni_table, | |
5310 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, | |
5311 | args); | |
5312 | ||
cd233079 CS |
5313 | if (use_json) { |
5314 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5315 | json, JSON_C_TO_STRING_PRETTY)); | |
5316 | json_object_free(json); | |
5317 | } | |
cec2e17d | 5318 | } |
5319 | ||
2232a77c | 5320 | /* |
ee69da27 MK |
5321 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5322 | * / L3 interface). This may result in either the neighbor getting deleted | |
5323 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5324 | * remote neighbor). |
5325 | */ | |
ee69da27 MK |
5326 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5327 | struct interface *link_if, | |
5328 | struct ipaddr *ip) | |
d62a17ae | 5329 | { |
d62a17ae | 5330 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5331 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5332 | zebra_neigh_t *n = NULL; |
5333 | zebra_vni_t *zvni = NULL; | |
5334 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5335 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5336 | |
8c9b80b9 | 5337 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5338 | * next-hop |
5339 | */ | |
8c9b80b9 MK |
5340 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5341 | if (zl3vni) | |
5342 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5343 | |
5344 | /* We are only interested in neighbors on an SVI that resides on top | |
5345 | * of a VxLAN bridge. | |
5346 | */ | |
b7cfce93 | 5347 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5348 | if (!zvni) |
5349 | return 0; | |
8c9b80b9 | 5350 | |
d62a17ae | 5351 | if (!zvni->vxlan_if) { |
9df414fe | 5352 | zlog_debug( |
d62a17ae | 5353 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5354 | zvni->vni, zvni); | |
5355 | return -1; | |
5356 | } | |
5357 | ||
5358 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5359 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5360 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5361 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5362 | |
5363 | /* If entry doesn't exist, nothing to do. */ | |
5364 | n = zvni_neigh_lookup(zvni, ip); | |
5365 | if (!n) | |
5366 | return 0; | |
5367 | ||
b6938a74 MK |
5368 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5369 | if (!zmac) { | |
5370 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 5371 | zlog_debug( |
2853fed6 | 5372 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5373 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5374 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5375 | zvni->vni); | |
5376 | ||
5377 | return 0; | |
5378 | } | |
5379 | ||
d62a17ae | 5380 | /* If it is a remote entry, the kernel has aged this out or someone has |
5381 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5382 | */ | |
5383 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5384 | zvni_neigh_install(zvni, n); | |
5385 | return 0; | |
5386 | } | |
5387 | ||
d62a17ae | 5388 | /* Remove neighbor from BGP. */ |
b6938a74 | 5389 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5390 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5391 | |
5392 | /* Delete this neighbor entry. */ | |
5393 | zvni_neigh_del(zvni, n); | |
5394 | ||
b6938a74 MK |
5395 | /* see if the AUTO mac needs to be deleted */ |
5396 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5397 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5398 | zvni_mac_del(zvni, zmac); |
5399 | ||
d62a17ae | 5400 | return 0; |
2232a77c | 5401 | } |
5402 | ||
5403 | /* | |
ee69da27 MK |
5404 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5405 | * device / L3 interface). This is typically for a local neighbor but can | |
5406 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5407 | * also be a "move" scenario. | |
2232a77c | 5408 | */ |
ee69da27 MK |
5409 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5410 | struct interface *link_if, | |
5411 | struct ipaddr *ip, | |
5412 | struct ethaddr *macaddr, | |
5413 | uint16_t state, | |
a37f4598 | 5414 | bool is_ext, |
5415 | bool is_router) | |
d62a17ae | 5416 | { |
d62a17ae | 5417 | char buf[ETHER_ADDR_STRLEN]; |
5418 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5419 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5420 | zebra_l3vni_t *zl3vni = NULL; |
5421 | ||
5422 | /* check if this is a remote neigh entry corresponding to remote | |
5423 | * next-hop | |
5424 | */ | |
5425 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5426 | if (zl3vni) | |
5427 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5428 | |
d62a17ae | 5429 | /* We are only interested in neighbors on an SVI that resides on top |
5430 | * of a VxLAN bridge. | |
5431 | */ | |
b7cfce93 | 5432 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5433 | if (!zvni) |
5434 | return 0; | |
5435 | ||
d62a17ae | 5436 | if (IS_ZEBRA_DEBUG_VXLAN) |
5437 | zlog_debug( | |
54c17425 | 5438 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5439 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5440 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 5441 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
5442 | is_router ? "router " : "", | |
8c9b80b9 | 5443 | zvni->vni); |
d62a17ae | 5444 | |
ee69da27 | 5445 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 5446 | if (!is_ext) |
68e33151 | 5447 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 5448 | is_router); |
b7cfce93 | 5449 | |
ee69da27 | 5450 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5451 | } |
5452 | ||
b682f6de | 5453 | |
2232a77c | 5454 | /* |
5455 | * Handle message from client to delete a remote MACIP for a VNI. | |
5456 | */ | |
89f4e507 | 5457 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5458 | { |
5459 | struct stream *s; | |
5460 | vni_t vni; | |
5461 | struct ethaddr macaddr; | |
5462 | struct ipaddr ip; | |
5463 | struct in_addr vtep_ip; | |
9df2b997 | 5464 | uint16_t l = 0, ipa_len; |
d62a17ae | 5465 | char buf[ETHER_ADDR_STRLEN]; |
5466 | char buf1[INET6_ADDRSTRLEN]; | |
5467 | ||
b7cfce93 | 5468 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5469 | memset(&ip, 0, sizeof(struct ipaddr)); |
5470 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5471 | ||
1002497a | 5472 | s = msg; |
d62a17ae | 5473 | |
89f4e507 | 5474 | while (l < hdr->length) { |
d62a17ae | 5475 | /* Obtain each remote MACIP and process. */ |
5476 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5477 | * followed by remote VTEP IP. | |
5478 | */ | |
d62a17ae | 5479 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5480 | STREAM_GETL(s, vni); |
5481 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5482 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5483 | if (ipa_len) { |
5484 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5485 | : IPADDR_V6; | |
ec93aa12 | 5486 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5487 | } |
ff8b7eb8 | 5488 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5489 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5490 | l += IPV4_MAX_BYTELEN; |
5491 | ||
5492 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5493 | zlog_debug( | |
f07e1c99 | 5494 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5495 | vni, | |
d62a17ae | 5496 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5497 | ipa_len ? " IP " : "", |
5498 | ipa_len ? | |
5499 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5500 | inet_ntoa(vtep_ip), |
5501 | zebra_route_string(client->proto)); | |
5502 | ||
f07e1c99 | 5503 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5504 | } |
5505 | ||
ec93aa12 | 5506 | stream_failure: |
8068a649 | 5507 | return; |
2232a77c | 5508 | } |
5509 | ||
5510 | /* | |
5511 | * Handle message from client to add a remote MACIP for a VNI. This | |
5512 | * could be just the add of a MAC address or the add of a neighbor | |
5513 | * (IP+MAC). | |
5514 | */ | |
89f4e507 | 5515 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5516 | { |
5517 | struct stream *s; | |
5518 | vni_t vni; | |
5519 | struct ethaddr macaddr; | |
5520 | struct ipaddr ip; | |
5521 | struct in_addr vtep_ip; | |
9df2b997 | 5522 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5523 | uint8_t flags = 0; |
5524 | uint32_t seq; | |
d62a17ae | 5525 | char buf[ETHER_ADDR_STRLEN]; |
5526 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5527 | |
b7cfce93 | 5528 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5529 | memset(&ip, 0, sizeof(struct ipaddr)); |
5530 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5531 | ||
ec93aa12 | 5532 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 5533 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5534 | return; |
ec93aa12 | 5535 | } |
d62a17ae | 5536 | |
1002497a | 5537 | s = msg; |
d62a17ae | 5538 | |
89f4e507 | 5539 | while (l < hdr->length) { |
d62a17ae | 5540 | /* Obtain each remote MACIP and process. */ |
5541 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5542 | * followed by remote VTEP IP. | |
5543 | */ | |
d62a17ae | 5544 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5545 | STREAM_GETL(s, vni); |
5546 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5547 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5548 | if (ipa_len) { |
5549 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5550 | : IPADDR_V6; | |
ec93aa12 | 5551 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5552 | } |
ff8b7eb8 | 5553 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5554 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5555 | l += IPV4_MAX_BYTELEN; |
5556 | ||
ead40654 | 5557 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5558 | STREAM_GETC(s, flags); |
d62a17ae | 5559 | l++; |
f07e1c99 | 5560 | STREAM_GETL(s, seq); |
5561 | l += 4; | |
d62a17ae | 5562 | |
5563 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5564 | zlog_debug( | |
f07e1c99 | 5565 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5566 | vni, | |
d62a17ae | 5567 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5568 | ipa_len ? " IP " : "", |
5569 | ipa_len ? | |
5570 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5571 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5572 | zebra_route_string(client->proto)); |
5573 | ||
f07e1c99 | 5574 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5575 | flags, seq, vtep_ip); | |
d62a17ae | 5576 | } |
5577 | ||
ec93aa12 | 5578 | stream_failure: |
8068a649 | 5579 | return; |
13d60d35 | 5580 | } |
5581 | ||
5582 | /* | |
2232a77c | 5583 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5584 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5585 | * of any prior local MAC. | |
13d60d35 | 5586 | */ |
d62a17ae | 5587 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5588 | struct interface *br_if, | |
5589 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5590 | { |
d62a17ae | 5591 | struct zebra_if *zif; |
d62a17ae | 5592 | struct zebra_l2info_vxlan *vxl; |
5593 | vni_t vni; | |
5594 | zebra_vni_t *zvni; | |
5595 | zebra_mac_t *mac; | |
5596 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5597 | |
d62a17ae | 5598 | zif = ifp->info; |
5599 | assert(zif); | |
5600 | vxl = &zif->l2info.vxl; | |
5601 | vni = vxl->vni; | |
13d60d35 | 5602 | |
2853fed6 | 5603 | /* Check if EVPN is enabled. */ |
5604 | if (!is_evpn_enabled()) | |
d62a17ae | 5605 | return 0; |
13d60d35 | 5606 | |
d62a17ae | 5607 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5608 | zvni = zvni_lookup(vni); |
d62a17ae | 5609 | if (!zvni) |
5610 | return 0; | |
13d60d35 | 5611 | |
d62a17ae | 5612 | /* If entry doesn't exist, nothing to do. */ |
5613 | mac = zvni_mac_lookup(zvni, macaddr); | |
5614 | if (!mac) | |
5615 | return 0; | |
13d60d35 | 5616 | |
d62a17ae | 5617 | /* Is it a local entry? */ |
5618 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5619 | return 0; | |
13d60d35 | 5620 | |
d62a17ae | 5621 | if (IS_ZEBRA_DEBUG_VXLAN) |
5622 | zlog_debug( | |
2853fed6 | 5623 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5624 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5625 | ifp->ifindex, vni); | |
13d60d35 | 5626 | |
d62a17ae | 5627 | /* Remove MAC from BGP. */ |
ead40654 | 5628 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5629 | |
b6938a74 MK |
5630 | /* |
5631 | * If there are no neigh associated with the mac delete the mac | |
5632 | * else mark it as AUTO for forward reference | |
5633 | */ | |
5634 | if (!listcount(mac->neigh_list)) { | |
5635 | zvni_mac_del(zvni, mac); | |
5636 | } else { | |
5637 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5638 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5639 | } | |
13d60d35 | 5640 | |
d62a17ae | 5641 | return 0; |
13d60d35 | 5642 | } |
5643 | ||
5644 | /* | |
2232a77c | 5645 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5646 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5647 | * so the kernel can ageout the entry. | |
13d60d35 | 5648 | */ |
d62a17ae | 5649 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5650 | struct interface *br_if, | |
5651 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5652 | { |
a9a76262 MK |
5653 | struct zebra_if *zif = NULL; |
5654 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5655 | vni_t vni; |
a9a76262 MK |
5656 | zebra_vni_t *zvni = NULL; |
5657 | zebra_l3vni_t *zl3vni = NULL; | |
5658 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5659 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5660 | |
d62a17ae | 5661 | zif = ifp->info; |
5662 | assert(zif); | |
5663 | vxl = &zif->l2info.vxl; | |
5664 | vni = vxl->vni; | |
2232a77c | 5665 | |
2853fed6 | 5666 | /* Check if EVPN is enabled. */ |
5667 | if (!is_evpn_enabled()) | |
d62a17ae | 5668 | return 0; |
2232a77c | 5669 | |
a9a76262 MK |
5670 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5671 | zl3vni = zl3vni_lookup(vni); | |
5672 | if (zl3vni) | |
5673 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5674 | ||
d62a17ae | 5675 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5676 | zvni = zvni_lookup(vni); |
d62a17ae | 5677 | if (!zvni) |
5678 | return 0; | |
13d60d35 | 5679 | |
d62a17ae | 5680 | /* If entry doesn't exist, nothing to do. */ |
5681 | mac = zvni_mac_lookup(zvni, macaddr); | |
5682 | if (!mac) | |
5683 | return 0; | |
2232a77c | 5684 | |
d62a17ae | 5685 | /* Is it a remote entry? */ |
5686 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5687 | return 0; | |
2232a77c | 5688 | |
d62a17ae | 5689 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5690 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5691 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5692 | ifp->ifindex, vni); | |
13d60d35 | 5693 | |
d62a17ae | 5694 | zvni_mac_install(zvni, mac); |
5695 | return 0; | |
13d60d35 | 5696 | } |
5697 | ||
5698 | /* | |
2232a77c | 5699 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5700 | */ |
d62a17ae | 5701 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5702 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5703 | { |
d62a17ae | 5704 | zebra_vni_t *zvni; |
5705 | zebra_mac_t *mac; | |
d62a17ae | 5706 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5707 | |
d62a17ae | 5708 | /* We are interested in MACs only on ports or (port, VLAN) that |
5709 | * map to a VNI. | |
5710 | */ | |
5711 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5712 | if (!zvni) | |
5713 | return 0; | |
5714 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5715 | zlog_debug( |
5716 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5717 | zvni->vni, zvni); | |
d62a17ae | 5718 | return -1; |
5719 | } | |
13d60d35 | 5720 | |
d62a17ae | 5721 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5722 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5723 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5724 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5725 | |
d62a17ae | 5726 | /* If entry doesn't exist, nothing to do. */ |
5727 | mac = zvni_mac_lookup(zvni, macaddr); | |
5728 | if (!mac) | |
5729 | return 0; | |
2232a77c | 5730 | |
d62a17ae | 5731 | /* Is it a local entry? */ |
5732 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5733 | return 0; | |
2232a77c | 5734 | |
b6938a74 | 5735 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5736 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5737 | |
f07e1c99 | 5738 | /* Remove MAC from BGP. */ |
5739 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); | |
5740 | ||
b6938a74 MK |
5741 | /* |
5742 | * If there are no neigh associated with the mac delete the mac | |
5743 | * else mark it as AUTO for forward reference | |
5744 | */ | |
5745 | if (!listcount(mac->neigh_list)) { | |
5746 | zvni_mac_del(zvni, mac); | |
5747 | } else { | |
5748 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5749 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5750 | } | |
2232a77c | 5751 | |
d62a17ae | 5752 | return 0; |
13d60d35 | 5753 | } |
5754 | ||
5755 | /* | |
2232a77c | 5756 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5757 | */ |
d62a17ae | 5758 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5759 | struct interface *br_if, | |
5760 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 5761 | bool sticky) |
d62a17ae | 5762 | { |
5763 | zebra_vni_t *zvni; | |
5764 | zebra_mac_t *mac; | |
d62a17ae | 5765 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5766 | bool mac_sticky = false; |
5767 | bool inform_client = false; | |
5768 | bool upd_neigh = false; | |
d62a17ae | 5769 | |
5770 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5771 | * map to a VNI. | |
5772 | */ | |
5773 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5774 | if (!zvni) { | |
5775 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5776 | zlog_debug( | |
2853fed6 | 5777 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5778 | sticky ? "sticky " : "", | |
d62a17ae | 5779 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5780 | ifp->name, ifp->ifindex, vid); | |
5781 | return 0; | |
5782 | } | |
5783 | ||
5784 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5785 | zlog_debug( |
5786 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5787 | zvni->vni, zvni); | |
d62a17ae | 5788 | return -1; |
5789 | } | |
5790 | ||
f07e1c99 | 5791 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5792 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5793 | if (!mac) { |
5794 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5795 | zlog_debug( | |
5796 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5797 | sticky ? "sticky " : "", | |
5798 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5799 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5800 | |
f07e1c99 | 5801 | mac = zvni_mac_add(zvni, macaddr); |
5802 | if (!mac) { | |
5803 | flog_err( | |
e914ccbe | 5804 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 5805 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
5806 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5807 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5808 | return -1; | |
5809 | } | |
5810 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5811 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5812 | mac->fwd_info.local.vid = vid; | |
5813 | if (sticky) | |
5814 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5815 | inform_client = true; | |
5816 | ||
5817 | } else { | |
5818 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5819 | zlog_debug( | |
5820 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5821 | sticky ? "sticky " : "", | |
5822 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5823 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5824 | mac->flags); | |
5825 | ||
5826 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5827 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5828 | mac_sticky = true; | |
b6938a74 | 5829 | |
b8ce75a5 | 5830 | /* |
f07e1c99 | 5831 | * Update any changes and if changes are relevant to |
5832 | * BGP, note it. | |
b8ce75a5 | 5833 | */ |
d62a17ae | 5834 | if (mac_sticky == sticky |
5835 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5836 | && mac->fwd_info.local.vid == vid) { | |
5837 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5838 | zlog_debug( | |
2853fed6 | 5839 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5840 | "entry exists and has not changed ", |
d62a17ae | 5841 | sticky ? "sticky " : "", |
5842 | prefix_mac2str(macaddr, buf, | |
5843 | sizeof(buf)), | |
5844 | ifp->name, ifp->ifindex, vid, | |
5845 | zvni->vni); | |
5846 | return 0; | |
b6938a74 | 5847 | } |
f07e1c99 | 5848 | if (mac_sticky != sticky) { |
5849 | if (sticky) | |
5850 | SET_FLAG(mac->flags, | |
5851 | ZEBRA_MAC_STICKY); | |
5852 | else | |
5853 | UNSET_FLAG(mac->flags, | |
5854 | ZEBRA_MAC_STICKY); | |
5855 | inform_client = true; | |
5856 | } | |
5857 | ||
5858 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5859 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5860 | mac->fwd_info.local.vid = vid; | |
5861 | ||
5862 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5863 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5864 | ||
421bb26a | 5865 | /* |
f07e1c99 | 5866 | * MAC has either moved or was "internally" created due |
5867 | * to a neighbor learn and is now actually learnt. If | |
5868 | * it was learnt as a remote sticky MAC, this is an | |
5869 | * operator error. | |
421bb26a | 5870 | */ |
8f4b98ee | 5871 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 5872 | flog_warn( |
e914ccbe | 5873 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 5874 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
5875 | prefix_mac2str(macaddr, buf, |
5876 | sizeof(buf)), | |
5877 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5878 | zvni->vni); | |
8f4b98ee MK |
5879 | return 0; |
5880 | } | |
d62a17ae | 5881 | |
f07e1c99 | 5882 | /* If an actual move, compute MAC's seq number */ |
5883 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5884 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5885 | mac->loc_seq); | |
5886 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5887 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5888 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5889 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5890 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5891 | mac->fwd_info.local.vid = vid; | |
5892 | if (sticky) | |
5893 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5894 | else | |
5895 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5896 | /* | |
5897 | * We have to inform BGP of this MAC as well as process | |
5898 | * all neighbors. | |
5899 | */ | |
5900 | inform_client = true; | |
5901 | upd_neigh = true; | |
d62a17ae | 5902 | } |
5903 | } | |
5904 | ||
d62a17ae | 5905 | /* Inform BGP if required. */ |
f07e1c99 | 5906 | if (inform_client) { |
5907 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
5908 | mac->flags, mac->loc_seq)) | |
5909 | return -1; | |
b6938a74 | 5910 | } |
d62a17ae | 5911 | |
f07e1c99 | 5912 | /* Process all neighbors associated with this MAC, if required. */ |
5913 | if (upd_neigh) | |
5914 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
5915 | ||
d62a17ae | 5916 | return 0; |
2232a77c | 5917 | } |
13d60d35 | 5918 | |
5919 | /* | |
5920 | * Handle message from client to delete a remote VTEP for a VNI. | |
5921 | */ | |
89f4e507 | 5922 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5923 | { |
5924 | struct stream *s; | |
d7c0a89a | 5925 | unsigned short l = 0; |
d62a17ae | 5926 | vni_t vni; |
5927 | struct in_addr vtep_ip; | |
5928 | zebra_vni_t *zvni; | |
5929 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5930 | struct interface *ifp; |
5931 | struct zebra_if *zif; | |
d62a17ae | 5932 | |
ec93aa12 | 5933 | if (!is_evpn_enabled()) { |
9df414fe | 5934 | zlog_debug( |
996c9314 LB |
5935 | "%s: EVPN is not enabled yet we have received a vtep del command", |
5936 | __PRETTY_FUNCTION__); | |
8068a649 | 5937 | return; |
ec93aa12 DS |
5938 | } |
5939 | ||
2853fed6 | 5940 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
5941 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
5942 | zvrf_id(zvrf)); | |
8068a649 | 5943 | return; |
2853fed6 | 5944 | } |
5945 | ||
1002497a | 5946 | s = msg; |
d62a17ae | 5947 | |
89f4e507 | 5948 | while (l < hdr->length) { |
d62a17ae | 5949 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5950 | STREAM_GETL(s, vni); |
d62a17ae | 5951 | l += 4; |
ec93aa12 | 5952 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5953 | l += IPV4_MAX_BYTELEN; |
5954 | ||
5955 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5956 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5957 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5958 | zebra_route_string(client->proto)); |
5959 | ||
5960 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5961 | zvni = zvni_lookup(vni); |
d62a17ae | 5962 | if (!zvni) { |
5963 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5964 | zlog_debug( | |
5965 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5966 | "VNI %u", |
5967 | vni); | |
d62a17ae | 5968 | continue; |
5969 | } | |
5970 | ||
b5ebdc9b | 5971 | ifp = zvni->vxlan_if; |
5972 | if (!ifp) { | |
9df414fe | 5973 | zlog_debug( |
60466a63 QY |
5974 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5975 | zvni->vni, zvni); | |
b682f6de | 5976 | continue; |
b5ebdc9b | 5977 | } |
5978 | zif = ifp->info; | |
5979 | ||
5980 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5981 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5982 | continue; |
5983 | ||
d62a17ae | 5984 | /* If the remote VTEP does not exist, there's nothing more to |
5985 | * do. | |
5986 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5987 | * and | |
5988 | * then, the VTEP entry itself and remove it. | |
5989 | */ | |
5990 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5991 | if (!zvtep) | |
5992 | continue; | |
5993 | ||
5994 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
5995 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
5996 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
5997 | zvni_vtep_del(zvni, zvtep); | |
5998 | } | |
5999 | ||
ec93aa12 | 6000 | stream_failure: |
8068a649 | 6001 | return; |
13d60d35 | 6002 | } |
6003 | ||
6004 | /* | |
6005 | * Handle message from client to add a remote VTEP for a VNI. | |
6006 | */ | |
89f4e507 | 6007 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6008 | { |
6009 | struct stream *s; | |
d7c0a89a | 6010 | unsigned short l = 0; |
d62a17ae | 6011 | vni_t vni; |
6012 | struct in_addr vtep_ip; | |
6013 | zebra_vni_t *zvni; | |
b5ebdc9b | 6014 | struct interface *ifp; |
6015 | struct zebra_if *zif; | |
d62a17ae | 6016 | |
ec93aa12 | 6017 | if (!is_evpn_enabled()) { |
9df414fe | 6018 | zlog_debug( |
996c9314 LB |
6019 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
6020 | __PRETTY_FUNCTION__); | |
8068a649 | 6021 | return; |
ec93aa12 DS |
6022 | } |
6023 | ||
2853fed6 | 6024 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6025 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6026 | zvrf_id(zvrf)); | |
8068a649 | 6027 | return; |
2853fed6 | 6028 | } |
d62a17ae | 6029 | |
1002497a | 6030 | s = msg; |
d62a17ae | 6031 | |
89f4e507 | 6032 | while (l < hdr->length) { |
d62a17ae | 6033 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6034 | STREAM_GETL(s, vni); |
d62a17ae | 6035 | l += 4; |
ec93aa12 | 6036 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6037 | l += IPV4_MAX_BYTELEN; |
6038 | ||
6039 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6040 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6041 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6042 | zebra_route_string(client->proto)); |
6043 | ||
6044 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6045 | zvni = zvni_lookup(vni); |
d62a17ae | 6046 | if (!zvni) { |
af4c2728 | 6047 | flog_err( |
e914ccbe | 6048 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6049 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6050 | vni); | |
d62a17ae | 6051 | continue; |
6052 | } | |
b5ebdc9b | 6053 | |
6054 | ifp = zvni->vxlan_if; | |
6055 | if (!ifp) { | |
af4c2728 | 6056 | flog_err( |
e914ccbe | 6057 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6058 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6059 | zvni->vni, zvni); | |
6060 | continue; | |
6061 | } | |
6062 | ||
b5ebdc9b | 6063 | zif = ifp->info; |
d62a17ae | 6064 | |
b5ebdc9b | 6065 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6066 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6067 | continue; |
6068 | ||
b682f6de | 6069 | /* If the remote VTEP already exists, |
6070 | there's nothing more to do. */ | |
b5ebdc9b | 6071 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6072 | continue; |
6073 | ||
6074 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6075 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6076 | "Failed to add remote VTEP, VNI %u zvni %p", |
6077 | vni, zvni); | |
d62a17ae | 6078 | continue; |
6079 | } | |
6080 | ||
6081 | zvni_vtep_install(zvni, &vtep_ip); | |
6082 | } | |
6083 | ||
ec93aa12 | 6084 | stream_failure: |
8068a649 | 6085 | return; |
13d60d35 | 6086 | } |
6087 | ||
1a98c087 MK |
6088 | /* |
6089 | * Add/Del gateway macip to evpn | |
6090 | * g/w can be: | |
6091 | * 1. SVI interface on a vlan aware bridge | |
6092 | * 2. SVI interface on a vlan unaware bridge | |
6093 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6094 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6095 | */ | |
6096 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6097 | int add) | |
6098 | { | |
6099 | struct ipaddr ip; | |
6100 | struct ethaddr macaddr; | |
6101 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6102 | |
6103 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6104 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6105 | ||
2853fed6 | 6106 | /* Check if EVPN is enabled. */ |
6107 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6108 | return 0; |
6109 | ||
1a98c087 MK |
6110 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6111 | struct interface *svi_if = | |
6112 | NULL; /* SVI corresponding to the MACVLAN */ | |
6113 | struct zebra_if *ifp_zif = | |
6114 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6115 | struct zebra_if *svi_if_zif = | |
6116 | NULL; /* Zebra daemon specific info for SVI*/ | |
6117 | ||
6118 | ifp_zif = ifp->info; | |
6119 | if (!ifp_zif) | |
6120 | return -1; | |
6121 | ||
71349e03 MK |
6122 | /* |
6123 | * for a MACVLAN interface the link represents the svi_if | |
6124 | */ | |
6125 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6126 | ifp_zif->link_ifindex); | |
1a98c087 | 6127 | if (!svi_if) { |
9df414fe QY |
6128 | zlog_debug("MACVLAN %s(%u) without link information", |
6129 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6130 | return -1; |
6131 | } | |
6132 | ||
6133 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6134 | /* |
6135 | * If it is a vlan aware bridge then the link gives the | |
6136 | * bridge information | |
6137 | */ | |
6138 | struct interface *svi_if_link = NULL; | |
6139 | ||
1a98c087 | 6140 | svi_if_zif = svi_if->info; |
71349e03 MK |
6141 | if (svi_if_zif) { |
6142 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6143 | zebra_ns_lookup(NS_DEFAULT), |
6144 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6145 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6146 | } |
1a98c087 | 6147 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6148 | /* |
6149 | * If it is a vlan unaware bridge then svi is the bridge | |
6150 | * itself | |
6151 | */ | |
b7cfce93 | 6152 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6153 | } |
6154 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6155 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6156 | NULL; /* Zebra daemon specific info for SVI */ |
6157 | struct interface *svi_if_link = | |
6158 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6159 | |
6160 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6161 | if (svi_if_zif) { |
6162 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6163 | zebra_ns_lookup(NS_DEFAULT), |
6164 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6165 | if (svi_if_link) |
6166 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6167 | } | |
1a98c087 | 6168 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6169 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6170 | } |
6171 | ||
6172 | if (!zvni) | |
6173 | return 0; | |
6174 | ||
6175 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6176 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6177 | zvni->vni, zvni); | |
1a98c087 MK |
6178 | return -1; |
6179 | } | |
6180 | ||
1a98c087 | 6181 | |
1a98c087 MK |
6182 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6183 | ||
6184 | if (p->family == AF_INET) { | |
6185 | ip.ipa_type = IPADDR_V4; | |
6186 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6187 | sizeof(struct in_addr)); | |
6188 | } else if (p->family == AF_INET6) { | |
6189 | ip.ipa_type = IPADDR_V6; | |
6190 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6191 | sizeof(struct in6_addr)); | |
6192 | } | |
6193 | ||
6194 | ||
6195 | if (add) | |
6196 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6197 | else | |
6198 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6199 | ||
6200 | return 0; | |
6201 | } | |
6202 | ||
2232a77c | 6203 | /* |
b7cfce93 MK |
6204 | * Handle SVI interface going down. |
6205 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6206 | * For L2-VNI: At this point, this is a NOP since | |
6207 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6208 | * We only need to update the vrf corresponding to zvni. | |
6209 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6210 | * from bgp | |
2232a77c | 6211 | */ |
d62a17ae | 6212 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6213 | { |
b7cfce93 MK |
6214 | zebra_l3vni_t *zl3vni = NULL; |
6215 | ||
6216 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6217 | if (zl3vni) { | |
6218 | ||
6219 | /* process l3-vni down */ | |
6220 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6221 | ||
6222 | /* remove association with svi-if */ | |
6223 | zl3vni->svi_if = NULL; | |
6224 | } else { | |
6225 | zebra_vni_t *zvni = NULL; | |
6226 | ||
6227 | /* since we dont have svi corresponding to zvni, we associate it | |
6228 | * to default vrf. Note: the corresponding neigh entries on the | |
6229 | * SVI would have already been deleted */ | |
6230 | zvni = zvni_from_svi(ifp, link_if); | |
6231 | if (zvni) { | |
6232 | zvni->vrf_id = VRF_DEFAULT; | |
6233 | ||
6234 | /* update the tenant vrf in BGP */ | |
6235 | zvni_send_add_to_client(zvni); | |
6236 | } | |
6237 | } | |
d62a17ae | 6238 | return 0; |
2232a77c | 6239 | } |
6240 | ||
6241 | /* | |
b7cfce93 MK |
6242 | * Handle SVI interface coming up. |
6243 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6244 | * vxlan intf). | |
6245 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6246 | * apr-suppression) | |
6247 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6248 | */ |
d62a17ae | 6249 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6250 | { |
b7cfce93 MK |
6251 | zebra_vni_t *zvni = NULL; |
6252 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6253 | |
b7cfce93 MK |
6254 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6255 | if (zl3vni) { | |
2232a77c | 6256 | |
b7cfce93 MK |
6257 | /* associate with svi */ |
6258 | zl3vni->svi_if = ifp; | |
2232a77c | 6259 | |
b7cfce93 MK |
6260 | /* process oper-up */ |
6261 | if (is_l3vni_oper_up(zl3vni)) | |
6262 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6263 | } else { | |
6264 | ||
6265 | /* process SVI up for l2-vni */ | |
6266 | struct neigh_walk_ctx n_wctx; | |
6267 | ||
6268 | zvni = zvni_from_svi(ifp, link_if); | |
6269 | if (!zvni) | |
6270 | return 0; | |
6271 | ||
6272 | if (!zvni->vxlan_if) { | |
9df414fe | 6273 | zlog_debug( |
43e52561 QY |
6274 | "VNI %u hash %p doesn't have intf upon SVI up", |
6275 | zvni->vni, zvni); | |
b7cfce93 MK |
6276 | return -1; |
6277 | } | |
6278 | ||
6279 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6280 | zlog_debug( |
6281 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6282 | ifp->name, ifp->ifindex, zvni->vni, | |
6283 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6284 | |
b7cfce93 MK |
6285 | /* update the vrf information for l2-vni and inform bgp */ |
6286 | zvni->vrf_id = ifp->vrf_id; | |
6287 | zvni_send_add_to_client(zvni); | |
6288 | ||
6289 | /* Install any remote neighbors for this VNI. */ | |
6290 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6291 | n_wctx.zvni = zvni; | |
996c9314 | 6292 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6293 | &n_wctx); |
6294 | } | |
2232a77c | 6295 | |
d62a17ae | 6296 | return 0; |
2232a77c | 6297 | } |
6298 | ||
13d60d35 | 6299 | /* |
b7cfce93 | 6300 | * Handle VxLAN interface down |
13d60d35 | 6301 | */ |
d62a17ae | 6302 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6303 | { |
d62a17ae | 6304 | vni_t vni; |
b7cfce93 MK |
6305 | struct zebra_if *zif = NULL; |
6306 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6307 | zebra_l3vni_t *zl3vni = NULL; |
6308 | zebra_vni_t *zvni; | |
13d60d35 | 6309 | |
2853fed6 | 6310 | /* Check if EVPN is enabled. */ |
6311 | if (!is_evpn_enabled()) | |
d62a17ae | 6312 | return 0; |
13d60d35 | 6313 | |
d62a17ae | 6314 | zif = ifp->info; |
6315 | assert(zif); | |
6316 | vxl = &zif->l2info.vxl; | |
6317 | vni = vxl->vni; | |
13d60d35 | 6318 | |
643215ce | 6319 | zl3vni = zl3vni_lookup(vni); |
6320 | if (zl3vni) { | |
b7cfce93 | 6321 | /* process-if-down for l3-vni */ |
b7cfce93 | 6322 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6323 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6324 | ifp->ifindex, vni); | |
b7cfce93 | 6325 | |
b7cfce93 | 6326 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6327 | } else { |
6328 | /* process if-down for l2-vni */ | |
b7cfce93 | 6329 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6330 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6331 | ifp->ifindex, vni); | |
13d60d35 | 6332 | |
b7cfce93 MK |
6333 | /* Locate hash entry; it is expected to exist. */ |
6334 | zvni = zvni_lookup(vni); | |
6335 | if (!zvni) { | |
9df414fe | 6336 | zlog_debug( |
b7cfce93 MK |
6337 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6338 | ifp->name, ifp->ifindex, vni); | |
6339 | return -1; | |
6340 | } | |
13d60d35 | 6341 | |
b7cfce93 | 6342 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6343 | |
b7cfce93 MK |
6344 | /* Delete this VNI from BGP. */ |
6345 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6346 | |
b7cfce93 MK |
6347 | /* Free up all neighbors and MACs, if any. */ |
6348 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6349 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6350 | |
b7cfce93 MK |
6351 | /* Free up all remote VTEPs, if any. */ |
6352 | zvni_vtep_del_all(zvni, 1); | |
6353 | } | |
d62a17ae | 6354 | return 0; |
13d60d35 | 6355 | } |
6356 | ||
6357 | /* | |
6358 | * Handle VxLAN interface up - update BGP if required. | |
6359 | */ | |
d62a17ae | 6360 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6361 | { |
d62a17ae | 6362 | vni_t vni; |
b7cfce93 MK |
6363 | struct zebra_if *zif = NULL; |
6364 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6365 | zebra_vni_t *zvni = NULL; |
6366 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6367 | |
2853fed6 | 6368 | /* Check if EVPN is enabled. */ |
6369 | if (!is_evpn_enabled()) | |
d62a17ae | 6370 | return 0; |
13d60d35 | 6371 | |
d62a17ae | 6372 | zif = ifp->info; |
6373 | assert(zif); | |
6374 | vxl = &zif->l2info.vxl; | |
6375 | vni = vxl->vni; | |
13d60d35 | 6376 | |
643215ce | 6377 | zl3vni = zl3vni_lookup(vni); |
6378 | if (zl3vni) { | |
13d60d35 | 6379 | |
b7cfce93 | 6380 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6381 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6382 | ifp->ifindex, vni); | |
13d60d35 | 6383 | |
b7cfce93 | 6384 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6385 | * svi-if only after association with vxlan-intf is complete |
6386 | */ | |
b7cfce93 MK |
6387 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6388 | ||
6389 | if (is_l3vni_oper_up(zl3vni)) | |
6390 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6391 | } else { | |
6392 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6393 | struct interface *vlan_if = NULL; |
6394 | ||
6395 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6396 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6397 | ifp->ifindex, vni); | |
b7cfce93 MK |
6398 | |
6399 | /* Locate hash entry; it is expected to exist. */ | |
6400 | zvni = zvni_lookup(vni); | |
6401 | if (!zvni) { | |
9df414fe | 6402 | zlog_debug( |
b7cfce93 MK |
6403 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6404 | ifp->name, ifp->ifindex, vni); | |
6405 | return -1; | |
6406 | } | |
6407 | ||
6408 | assert(zvni->vxlan_if == ifp); | |
6409 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6410 | zif->brslave_info.br_if); | |
6411 | if (vlan_if) { | |
6412 | zvni->vrf_id = vlan_if->vrf_id; | |
6413 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6414 | if (zl3vni) | |
6415 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6416 | } | |
6417 | ||
6418 | /* If part of a bridge, inform BGP about this VNI. */ | |
6419 | /* Also, read and populate local MACs and neighbors. */ | |
6420 | if (zif->brslave_info.br_if) { | |
6421 | zvni_send_add_to_client(zvni); | |
6422 | zvni_read_mac_neigh(zvni, ifp); | |
6423 | } | |
d62a17ae | 6424 | } |
13d60d35 | 6425 | |
d62a17ae | 6426 | return 0; |
13d60d35 | 6427 | } |
6428 | ||
6429 | /* | |
6430 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6431 | * and update BGP, if required. | |
6432 | */ | |
d62a17ae | 6433 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6434 | { |
d62a17ae | 6435 | vni_t vni; |
b7cfce93 MK |
6436 | struct zebra_if *zif = NULL; |
6437 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6438 | zebra_vni_t *zvni = NULL; |
6439 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6440 | |
2853fed6 | 6441 | /* Check if EVPN is enabled. */ |
6442 | if (!is_evpn_enabled()) | |
d62a17ae | 6443 | return 0; |
13d60d35 | 6444 | |
d62a17ae | 6445 | zif = ifp->info; |
6446 | assert(zif); | |
6447 | vxl = &zif->l2info.vxl; | |
6448 | vni = vxl->vni; | |
13d60d35 | 6449 | |
643215ce | 6450 | zl3vni = zl3vni_lookup(vni); |
6451 | if (zl3vni) { | |
b7cfce93 MK |
6452 | |
6453 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6454 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6455 | ifp->ifindex); | |
13d60d35 | 6456 | |
b7cfce93 MK |
6457 | /* process oper-down for l3-vni */ |
6458 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6459 | |
b7cfce93 | 6460 | /* remove the association with vxlan_if */ |
b67a60d2 | 6461 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6462 | zl3vni->vxlan_if = NULL; |
6463 | } else { | |
13d60d35 | 6464 | |
b7cfce93 | 6465 | /* process if-del for l2-vni*/ |
b7cfce93 | 6466 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6467 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6468 | ifp->ifindex); | |
b7cfce93 MK |
6469 | |
6470 | /* Locate hash entry; it is expected to exist. */ | |
6471 | zvni = zvni_lookup(vni); | |
6472 | if (!zvni) { | |
9df414fe | 6473 | zlog_debug( |
b7cfce93 MK |
6474 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6475 | ifp->name, ifp->ifindex, vni); | |
6476 | return 0; | |
6477 | } | |
6478 | ||
6479 | /* remove from l3-vni list */ | |
6480 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6481 | if (zl3vni) | |
6482 | listnode_delete(zl3vni->l2vnis, zvni); | |
6483 | ||
6484 | /* Delete VNI from BGP. */ | |
6485 | zvni_send_del_to_client(zvni->vni); | |
6486 | ||
6487 | /* Free up all neighbors and MAC, if any. */ | |
6488 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6489 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6490 | ||
6491 | /* Free up all remote VTEPs, if any. */ | |
6492 | zvni_vtep_del_all(zvni, 0); | |
6493 | ||
6494 | /* Delete the hash entry. */ | |
6495 | if (zvni_del(zvni)) { | |
e914ccbe | 6496 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
6497 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6498 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6499 | return -1; |
6500 | } | |
d62a17ae | 6501 | } |
d62a17ae | 6502 | return 0; |
13d60d35 | 6503 | } |
6504 | ||
6505 | /* | |
6506 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6507 | */ | |
d7c0a89a | 6508 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6509 | { |
d62a17ae | 6510 | vni_t vni; |
b7cfce93 MK |
6511 | struct zebra_if *zif = NULL; |
6512 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6513 | zebra_vni_t *zvni = NULL; |
6514 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6515 | |
2853fed6 | 6516 | /* Check if EVPN is enabled. */ |
6517 | if (!is_evpn_enabled()) | |
d62a17ae | 6518 | return 0; |
6519 | ||
6520 | zif = ifp->info; | |
6521 | assert(zif); | |
6522 | vxl = &zif->l2info.vxl; | |
6523 | vni = vxl->vni; | |
6524 | ||
643215ce | 6525 | zl3vni = zl3vni_lookup(vni); |
6526 | if (zl3vni) { | |
af026ae4 | 6527 | |
b7cfce93 MK |
6528 | if (IS_ZEBRA_DEBUG_VXLAN) |
6529 | zlog_debug( | |
6530 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6531 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6532 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6533 | zif->brslave_info.bridge_ifindex, chgflags); |
6534 | ||
6535 | /* Removed from bridge? Cleanup and return */ | |
6536 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6537 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6538 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6539 | return 0; | |
6540 | } | |
6541 | ||
6542 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6543 | * svi_if and then process oper up again |
6544 | */ | |
b7cfce93 MK |
6545 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6546 | if (if_is_operative(ifp)) { | |
6547 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6548 | zl3vni->svi_if = NULL; | |
6549 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6550 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6551 | if (is_l3vni_oper_up(zl3vni)) |
6552 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6553 | zl3vni); |
b7cfce93 MK |
6554 | } |
6555 | } | |
d62a17ae | 6556 | |
12eeac84 MK |
6557 | /* |
6558 | * local-ip change - process oper down, associate with new | |
6559 | * local-ip and then process oper up again | |
6560 | */ | |
6561 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6562 | if (if_is_operative(ifp)) { | |
6563 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6564 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6565 | if (is_l3vni_oper_up(zl3vni)) | |
6566 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6567 | zl3vni); |
12eeac84 MK |
6568 | } |
6569 | } | |
6570 | ||
bca63dc8 MK |
6571 | /* Update local tunnel IP. */ |
6572 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6573 | ||
12eeac84 MK |
6574 | /* if we have a valid new master, process l3-vni oper up */ |
6575 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6576 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6577 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6578 | } | |
6579 | } else { | |
d62a17ae | 6580 | |
b7cfce93 MK |
6581 | /* Update VNI hash. */ |
6582 | zvni = zvni_lookup(vni); | |
6583 | if (!zvni) { | |
9df414fe | 6584 | zlog_debug( |
b7cfce93 MK |
6585 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6586 | ifp->name, ifp->ifindex, vni); | |
6587 | return -1; | |
6588 | } | |
d62a17ae | 6589 | |
b7cfce93 MK |
6590 | if (IS_ZEBRA_DEBUG_VXLAN) |
6591 | zlog_debug( | |
6592 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6593 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6594 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6595 | zif->brslave_info.bridge_ifindex, chgflags); |
6596 | ||
6597 | /* Removed from bridge? Cleanup and return */ | |
6598 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6599 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6600 | /* Delete from client, remove all remote VTEPs */ | |
6601 | /* Also, free up all MACs and neighbors. */ | |
6602 | zvni_send_del_to_client(zvni->vni); | |
6603 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6604 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6605 | zvni_vtep_del_all(zvni, 1); | |
6606 | return 0; | |
6607 | } | |
d62a17ae | 6608 | |
b7cfce93 MK |
6609 | /* Handle other changes. */ |
6610 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6611 | /* Remove all existing local neigh and MACs for this VNI | |
6612 | * (including from BGP) | |
6613 | */ | |
6614 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6615 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6616 | } | |
d62a17ae | 6617 | |
b7cfce93 MK |
6618 | zvni->local_vtep_ip = vxl->vtep_ip; |
6619 | zvni->vxlan_if = ifp; | |
d62a17ae | 6620 | |
b7cfce93 MK |
6621 | /* Take further actions needed. |
6622 | * Note that if we are here, there is a change of interest. | |
6623 | */ | |
6624 | /* If down or not mapped to a bridge, we're done. */ | |
6625 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6626 | return 0; | |
d62a17ae | 6627 | |
b7cfce93 MK |
6628 | /* Inform BGP, if there is a change of interest. */ |
6629 | if (chgflags | |
6630 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6631 | zvni_send_add_to_client(zvni); | |
6632 | ||
6633 | /* If there is a valid new master or a VLAN mapping change, | |
6634 | * read and populate local MACs and neighbors. | |
6635 | * Also, reinstall any remote MACs and neighbors | |
6636 | * for this VNI (based on new VLAN). | |
6637 | */ | |
6638 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6639 | zvni_read_mac_neigh(zvni, ifp); | |
6640 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6641 | struct mac_walk_ctx m_wctx; | |
6642 | struct neigh_walk_ctx n_wctx; | |
6643 | ||
6644 | zvni_read_mac_neigh(zvni, ifp); | |
6645 | ||
6646 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6647 | m_wctx.zvni = zvni; | |
996c9314 | 6648 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6649 | &m_wctx); |
6650 | ||
6651 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6652 | n_wctx.zvni = zvni; | |
6653 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6654 | &n_wctx); | |
6655 | } | |
d62a17ae | 6656 | } |
6657 | ||
6658 | return 0; | |
13d60d35 | 6659 | } |
6660 | ||
6661 | /* | |
6662 | * Handle VxLAN interface add. | |
6663 | */ | |
d62a17ae | 6664 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6665 | { |
d62a17ae | 6666 | vni_t vni; |
b7cfce93 MK |
6667 | struct zebra_if *zif = NULL; |
6668 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6669 | zebra_vni_t *zvni = NULL; |
6670 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6671 | |
2853fed6 | 6672 | /* Check if EVPN is enabled. */ |
6673 | if (!is_evpn_enabled()) | |
d62a17ae | 6674 | return 0; |
13d60d35 | 6675 | |
d62a17ae | 6676 | zif = ifp->info; |
6677 | assert(zif); | |
6678 | vxl = &zif->l2info.vxl; | |
6679 | vni = vxl->vni; | |
13d60d35 | 6680 | |
643215ce | 6681 | zl3vni = zl3vni_lookup(vni); |
6682 | if (zl3vni) { | |
13d60d35 | 6683 | |
b7cfce93 | 6684 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6685 | if (IS_ZEBRA_DEBUG_VXLAN) |
6686 | zlog_debug( | |
6687 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6688 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6689 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6690 | zif->brslave_info.bridge_ifindex); |
6691 | ||
b7cfce93 | 6692 | /* associate with vxlan_if */ |
b67a60d2 | 6693 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6694 | zl3vni->vxlan_if = ifp; |
6695 | ||
6696 | /* Associate with SVI, if any. We can associate with svi-if only | |
6697 | * after association with vxlan_if is complete */ | |
6698 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6699 | ||
6700 | if (is_l3vni_oper_up(zl3vni)) | |
6701 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6702 | } else { | |
6703 | ||
6704 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6705 | struct interface *vlan_if = NULL; |
6706 | ||
6707 | /* Create or update VNI hash. */ | |
6708 | zvni = zvni_lookup(vni); | |
6709 | if (!zvni) { | |
6710 | zvni = zvni_add(vni); | |
6711 | if (!zvni) { | |
af4c2728 | 6712 | flog_err( |
e914ccbe | 6713 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
6714 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6715 | ifp->name, ifp->ifindex, vni); | |
6716 | return -1; | |
6717 | } | |
6718 | } | |
6719 | ||
6720 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6721 | zvni->vxlan_if = ifp; | |
6722 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6723 | zif->brslave_info.br_if); | |
6724 | if (vlan_if) { | |
6725 | zvni->vrf_id = vlan_if->vrf_id; | |
6726 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6727 | if (zl3vni) | |
6728 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6729 | } | |
6730 | ||
6731 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6732 | zlog_debug( | |
6733 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6734 | vni, | |
996c9314 LB |
6735 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6736 | : "Default", | |
6737 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6738 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6739 | zif->brslave_info.bridge_ifindex); |
6740 | ||
6741 | /* If down or not mapped to a bridge, we're done. */ | |
6742 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6743 | return 0; | |
6744 | ||
6745 | /* Inform BGP */ | |
6746 | zvni_send_add_to_client(zvni); | |
6747 | ||
6748 | /* Read and populate local MACs and neighbors */ | |
6749 | zvni_read_mac_neigh(zvni, ifp); | |
6750 | } | |
6751 | ||
6752 | return 0; | |
6753 | } | |
6754 | ||
996c9314 LB |
6755 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6756 | char *err, int err_str_sz, int filter, | |
6757 | int add) | |
b7cfce93 MK |
6758 | { |
6759 | zebra_l3vni_t *zl3vni = NULL; | |
6760 | struct zebra_vrf *zvrf_default = NULL; | |
6761 | ||
6762 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6763 | if (!zvrf_default) | |
6764 | return -1; | |
6765 | ||
6766 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6767 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6768 | add ? "ADD" : "DEL"); |
6769 | ||
6770 | if (add) { | |
6771 | ||
6772 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6773 | ||
6774 | /* check if the vni is already present under zvrf */ | |
6775 | if (zvrf->l3vni) { | |
3f02fbab | 6776 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6777 | "VNI is already configured under the vrf"); |
6778 | return -1; | |
6779 | } | |
6780 | ||
6781 | /* check if this VNI is already present in the system */ | |
6782 | zl3vni = zl3vni_lookup(vni); | |
6783 | if (zl3vni) { | |
3f02fbab | 6784 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6785 | "VNI is already configured as L3-VNI"); |
6786 | return -1; | |
6787 | } | |
6788 | ||
6789 | /* add the L3-VNI to the global table */ | |
6790 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6791 | if (!zl3vni) { | |
996c9314 | 6792 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6793 | return -1; |
6794 | } | |
6795 | ||
6796 | /* associate the vrf with vni */ | |
6797 | zvrf->l3vni = vni; | |
6798 | ||
c48d9f5f MK |
6799 | /* set the filter in l3vni to denote if we are using l3vni only |
6800 | * for prefix routes | |
6801 | */ | |
6802 | if (filter) | |
6803 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6804 | ||
b7cfce93 | 6805 | /* associate with vxlan-intf; |
523cafc4 | 6806 | * we need to associate with the vxlan-intf first |
6807 | */ | |
b7cfce93 MK |
6808 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6809 | ||
6810 | /* associate with corresponding SVI interface, we can associate | |
6811 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6812 | * complete |
6813 | */ | |
b7cfce93 MK |
6814 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6815 | ||
6816 | /* formulate l2vni list */ | |
996c9314 LB |
6817 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6818 | zl3vni); | |
b7cfce93 MK |
6819 | |
6820 | if (is_l3vni_oper_up(zl3vni)) | |
6821 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6822 | ||
6823 | } else { | |
6824 | zl3vni = zl3vni_lookup(vni); | |
6825 | if (!zl3vni) { | |
3f02fbab | 6826 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6827 | return -1; |
6828 | } | |
b7cfce93 | 6829 | |
cf299714 MK |
6830 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6831 | snprintf(err, ERR_STR_SZ, | |
6832 | "prefix-routes-only is not set for the vni"); | |
6833 | return -1; | |
6834 | } | |
6835 | ||
b7cfce93 MK |
6836 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6837 | ||
5e06422c | 6838 | /* delete and uninstall all rmacs */ |
996c9314 | 6839 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6840 | zl3vni); |
6841 | ||
6842 | /* delete and uninstall all next-hops */ | |
996c9314 | 6843 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6844 | zl3vni); |
6845 | ||
b7cfce93 MK |
6846 | zvrf->l3vni = 0; |
6847 | zl3vni_del(zl3vni); | |
6848 | ||
6849 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6850 | } |
b7cfce93 MK |
6851 | return 0; |
6852 | } | |
13d60d35 | 6853 | |
84915b0a | 6854 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6855 | { | |
6856 | zebra_l3vni_t *zl3vni = NULL; | |
6857 | ||
6858 | if (zvrf->l3vni) | |
6859 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6860 | if (!zl3vni) | |
6861 | return 0; | |
6862 | ||
6863 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6864 | if (is_l3vni_oper_up(zl3vni)) | |
6865 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6866 | return 0; | |
6867 | } | |
6868 | ||
6869 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6870 | { |
6871 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6872 | |
84915b0a | 6873 | if (zvrf->l3vni) |
6874 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6875 | if (!zl3vni) |
d62a17ae | 6876 | return 0; |
13d60d35 | 6877 | |
84915b0a | 6878 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6879 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6880 | return 0; |
6881 | } | |
6882 | ||
6883 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6884 | { | |
6885 | zebra_l3vni_t *zl3vni = NULL; | |
6886 | vni_t vni; | |
6887 | ||
6888 | if (zvrf->l3vni) | |
6889 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6890 | if (!zl3vni) | |
6891 | return 0; | |
6892 | ||
6893 | vni = zl3vni->vni; | |
b7cfce93 | 6894 | zl3vni_del(zl3vni); |
84915b0a | 6895 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6896 | |
d62a17ae | 6897 | return 0; |
13d60d35 | 6898 | } |
6899 | ||
31310b25 MK |
6900 | /* |
6901 | * Handle message from client to enable/disable advertisement of g/w macip | |
6902 | * routes | |
6903 | */ | |
89f4e507 | 6904 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6905 | { |
6906 | struct stream *s; | |
6907 | int advertise; | |
6908 | vni_t vni = 0; | |
6909 | zebra_vni_t *zvni = NULL; | |
6910 | struct interface *ifp = NULL; | |
6911 | struct zebra_if *zif = NULL; | |
6912 | struct zebra_l2info_vxlan zl2_info; | |
6913 | struct interface *vlan_if = NULL; | |
6914 | ||
6915 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
6916 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6917 | zvrf_id(zvrf)); | |
8068a649 | 6918 | return; |
31310b25 MK |
6919 | } |
6920 | ||
1002497a | 6921 | s = msg; |
2017b3ea | 6922 | STREAM_GETC(s, advertise); |
31310b25 MK |
6923 | vni = stream_get3(s); |
6924 | ||
6925 | zvni = zvni_lookup(vni); | |
6926 | if (!zvni) | |
8068a649 | 6927 | return; |
31310b25 MK |
6928 | |
6929 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6930 | return; |
31310b25 MK |
6931 | |
6932 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6933 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6934 | advertise ? "enabled" : "disabled", vni, | |
6935 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6936 | |
6937 | ||
6938 | zvni->advertise_subnet = advertise; | |
6939 | ||
6940 | ifp = zvni->vxlan_if; | |
6941 | if (!ifp) | |
8068a649 | 6942 | return; |
31310b25 MK |
6943 | |
6944 | zif = ifp->info; | |
6945 | ||
6946 | /* If down or not mapped to a bridge, we're done. */ | |
6947 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6948 | return; |
31310b25 MK |
6949 | |
6950 | zl2_info = zif->l2info.vxl; | |
6951 | ||
996c9314 LB |
6952 | vlan_if = |
6953 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 6954 | if (!vlan_if) |
8068a649 | 6955 | return; |
31310b25 MK |
6956 | |
6957 | if (zvni->advertise_subnet) | |
6958 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
6959 | else | |
6960 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
6961 | |
6962 | stream_failure: | |
6963 | return; | |
31310b25 MK |
6964 | } |
6965 | ||
1a98c087 MK |
6966 | /* |
6967 | * Handle message from client to enable/disable advertisement of g/w macip | |
6968 | * routes | |
6969 | */ | |
89f4e507 | 6970 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
6971 | { |
6972 | struct stream *s; | |
6973 | int advertise; | |
6974 | vni_t vni = 0; | |
6975 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 6976 | struct interface *ifp = NULL; |
1a98c087 | 6977 | |
2853fed6 | 6978 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6979 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6980 | zvrf_id(zvrf)); | |
8068a649 | 6981 | return; |
2853fed6 | 6982 | } |
6983 | ||
1002497a | 6984 | s = msg; |
ec93aa12 | 6985 | STREAM_GETC(s, advertise); |
cc6d5476 | 6986 | STREAM_GETL(s, vni); |
1a98c087 MK |
6987 | |
6988 | if (!vni) { | |
6989 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6990 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 6991 | advertise ? "enabled" : "disabled", |
2853fed6 | 6992 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
6993 | ? "enabled" |
6994 | : "disabled"); | |
6995 | ||
6996 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 6997 | return; |
1a98c087 MK |
6998 | |
6999 | zvrf->advertise_gw_macip = advertise; | |
7000 | ||
2853fed6 | 7001 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 7002 | hash_iterate(zvrf->vni_table, |
2853fed6 | 7003 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
7004 | else |
7005 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 7006 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
7007 | |
7008 | } else { | |
7009 | struct zebra_if *zif = NULL; | |
7010 | struct zebra_l2info_vxlan zl2_info; | |
7011 | struct interface *vlan_if = NULL; | |
7012 | struct interface *vrr_if = NULL; | |
7013 | ||
01a6143b MK |
7014 | zvni = zvni_lookup(vni); |
7015 | if (!zvni) | |
124ead27 | 7016 | return; |
01a6143b | 7017 | |
1a98c087 MK |
7018 | if (IS_ZEBRA_DEBUG_VXLAN) |
7019 | zlog_debug( | |
2853fed6 | 7020 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 7021 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
7022 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7023 | : "disabled"); | |
1a98c087 | 7024 | |
1a98c087 | 7025 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7026 | return; |
1a98c087 MK |
7027 | |
7028 | zvni->advertise_gw_macip = advertise; | |
7029 | ||
b5ebdc9b | 7030 | ifp = zvni->vxlan_if; |
7031 | if (!ifp) | |
8068a649 | 7032 | return; |
b5ebdc9b | 7033 | |
7034 | zif = ifp->info; | |
7035 | ||
7036 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7037 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7038 | return; |
b5ebdc9b | 7039 | |
1a98c087 MK |
7040 | zl2_info = zif->l2info.vxl; |
7041 | ||
2853fed6 | 7042 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7043 | zif->brslave_info.br_if); |
7044 | if (!vlan_if) | |
8068a649 | 7045 | return; |
1a98c087 | 7046 | |
2853fed6 | 7047 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7048 | /* Add primary SVI MAC-IP */ |
7049 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7050 | ||
7051 | /* Add VRR MAC-IP - if any*/ | |
7052 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7053 | if (vrr_if) | |
7054 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7055 | } else { | |
7056 | /* Del primary MAC-IP */ | |
7057 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7058 | ||
7059 | /* Del VRR MAC-IP - if any*/ | |
7060 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7061 | if (vrr_if) | |
7062 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7063 | } | |
7064 | } | |
7065 | ||
ec93aa12 | 7066 | stream_failure: |
8068a649 | 7067 | return; |
1a98c087 MK |
7068 | } |
7069 | ||
7070 | ||
13d60d35 | 7071 | /* |
7072 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7073 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7074 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7075 | * uninstalled from the kernel. | |
7076 | */ | |
89f4e507 | 7077 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7078 | { |
655b04d1 MK |
7079 | struct stream *s = NULL; |
7080 | int advertise = 0; | |
7081 | struct zebra_ns *zns = NULL; | |
13d60d35 | 7082 | |
2853fed6 | 7083 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7084 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7085 | zvrf_id(zvrf)); | |
8068a649 | 7086 | return; |
2853fed6 | 7087 | } |
7088 | ||
1002497a | 7089 | s = msg; |
ec93aa12 | 7090 | STREAM_GETC(s, advertise); |
13d60d35 | 7091 | |
d62a17ae | 7092 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7093 | zlog_debug("EVPN VNI Adv %s, currently %s", |
d62a17ae | 7094 | advertise ? "enabled" : "disabled", |
2853fed6 | 7095 | is_evpn_enabled() ? "enabled" : "disabled"); |
13d60d35 | 7096 | |
d62a17ae | 7097 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7098 | return; |
13d60d35 | 7099 | |
d62a17ae | 7100 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7101 | if (is_evpn_enabled()) { |
d62a17ae | 7102 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7103 | zvni_build_hash_table(); |
2232a77c | 7104 | |
1a98c087 MK |
7105 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7106 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7107 | NULL); |
1a98c087 | 7108 | |
d62a17ae | 7109 | /* Read the MAC FDB */ |
7110 | macfdb_read(zvrf->zns); | |
2232a77c | 7111 | |
d62a17ae | 7112 | /* Read neighbors */ |
7113 | neigh_read(zvrf->zns); | |
7114 | } else { | |
7115 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7116 | * kernel and free entries. | |
7117 | */ | |
7118 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7119 | |
7120 | /* cleanup all l3vnis */ | |
7121 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7122 | if (!zns) | |
8068a649 | 7123 | return; |
655b04d1 MK |
7124 | |
7125 | hash_iterate(zns->l3vni_table, zl3vni_cleanup_all, NULL); | |
d62a17ae | 7126 | } |
13d60d35 | 7127 | |
ec93aa12 | 7128 | stream_failure: |
8068a649 | 7129 | return; |
13d60d35 | 7130 | } |
7131 | ||
7132 | /* | |
7133 | * Allocate VNI hash table for this VRF and do other initialization. | |
7134 | * NOTE: Currently supported only for default VRF. | |
7135 | */ | |
d62a17ae | 7136 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7137 | { |
d62a17ae | 7138 | if (!zvrf) |
7139 | return; | |
7140 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7141 | "Zebra VRF VNI Table"); | |
13d60d35 | 7142 | } |
7143 | ||
84915b0a | 7144 | /* Cleanup VNI info, but don't free the table. */ |
7145 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7146 | { | |
7147 | if (!zvrf) | |
7148 | return; | |
7149 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7150 | } | |
7151 | ||
13d60d35 | 7152 | /* Close all VNI handling */ |
d62a17ae | 7153 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7154 | { |
2853fed6 | 7155 | if (!zvrf) |
7156 | return; | |
d62a17ae | 7157 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7158 | hash_free(zvrf->vni_table); |
13d60d35 | 7159 | } |
b7cfce93 MK |
7160 | |
7161 | /* init the l3vni table */ | |
7162 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7163 | { | |
7164 | zns->l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, | |
7165 | "Zebra VRF L3 VNI table"); | |
7166 | } | |
7167 | ||
7168 | /* free l3vni table */ | |
7169 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7170 | { | |
7171 | hash_free(zns->l3vni_table); | |
7172 | } | |
d3135ba3 | 7173 | |
7174 | /* get the l3vni svi ifindex */ | |
7175 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7176 | { | |
7177 | zebra_l3vni_t *zl3vni = NULL; | |
7178 | ||
7179 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7180 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7181 | return 0; | |
7182 | ||
7183 | return zl3vni->svi_if->ifindex; | |
7184 | } |