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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 | |
89272910 | 40 | #include "zebra/zebra_router.h" |
43e52561 QY |
41 | #include "zebra/debug.h" |
42 | #include "zebra/interface.h" | |
13d60d35 | 43 | #include "zebra/rib.h" |
44 | #include "zebra/rt.h" | |
43e52561 QY |
45 | #include "zebra/rt_netlink.h" |
46 | #include "zebra/zebra_errors.h" | |
47 | #include "zebra/zebra_l2.h" | |
48 | #include "zebra/zebra_memory.h" | |
13d60d35 | 49 | #include "zebra/zebra_ns.h" |
13d60d35 | 50 | #include "zebra/zebra_vrf.h" |
13d60d35 | 51 | #include "zebra/zebra_vxlan.h" |
43e52561 | 52 | #include "zebra/zebra_vxlan_private.h" |
3801e764 | 53 | #include "zebra/zebra_router.h" |
13d60d35 | 54 | |
6134fd82 | 55 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 58 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 59 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
60 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
8a93734c | 61 | DEFINE_MTYPE_STATIC(ZEBRA, ZVXLAN_SG, "zebra VxLAN multicast group"); |
13d60d35 | 62 | |
63 | /* definitions */ | |
9718c54e AK |
64 | /* PMSI strings. */ |
65 | #define VXLAN_FLOOD_STR_NO_INFO "-" | |
66 | #define VXLAN_FLOOD_STR_DEFAULT VXLAN_FLOOD_STR_NO_INFO | |
67 | static const struct message zvtep_flood_str[] = { | |
68 | {VXLAN_FLOOD_DISABLED, VXLAN_FLOOD_STR_NO_INFO}, | |
69 | {VXLAN_FLOOD_PIM_SM, "PIM-SM"}, | |
70 | {VXLAN_FLOOD_HEAD_END_REPL, "HER"}, | |
71 | {0} | |
72 | }; | |
73 | ||
13d60d35 | 74 | |
13d60d35 | 75 | /* static function declarations */ |
996c9314 LB |
76 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
77 | uint16_t cmd); | |
cd233079 | 78 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
e3b78da8 TB |
79 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt); |
80 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt); | |
81 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, | |
cd233079 | 82 | void **args); |
c0e519d3 MK |
83 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
84 | json_object *json); | |
316f4ca4 MK |
85 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
86 | json_object *json); | |
24cdbd0d | 87 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json); |
e3b78da8 TB |
88 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt); |
89 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt); | |
cd233079 | 90 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
e3b78da8 | 91 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]); |
d62a17ae | 92 | |
996c9314 | 93 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 94 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 95 | uint32_t seq, int state, uint16_t cmd); |
d62a17ae | 96 | static unsigned int neigh_hash_keymake(void *p); |
d62a17ae | 97 | static void *zvni_neigh_alloc(void *p); |
b6938a74 MK |
98 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
99 | struct ethaddr *mac); | |
d62a17ae | 100 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 101 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
102 | struct in_addr *r_vtep_ip); | |
996c9314 | 103 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 104 | uint32_t flags); |
d62a17ae | 105 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 106 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 107 | struct ethaddr *macaddr, |
f07e1c99 | 108 | uint8_t flags, uint32_t seq); |
996c9314 | 109 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 110 | struct ethaddr *macaddr, |
2c476b72 | 111 | uint8_t flags, int state); |
d62a17ae | 112 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
113 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
44bc8ae5 | 114 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n); |
b7cfce93 | 115 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
116 | struct interface *br_if); |
117 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 118 | |
b7cfce93 | 119 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 120 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
121 | struct ipaddr *ip); |
122 | static void *zl3vni_nh_alloc(void *p); | |
123 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
124 | struct ipaddr *vtep_ip, | |
125 | struct ethaddr *rmac); | |
126 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
127 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 128 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
129 | |
130 | /* l3-vni rmac related APIs */ | |
e3b78da8 | 131 | static void zl3vni_print_rmac_hash(struct hash_bucket *, void *); |
2dbad57f | 132 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
133 | struct ethaddr *rmac); |
134 | static void *zl3vni_rmac_alloc(void *p); | |
135 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
136 | struct ethaddr *rmac); | |
137 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
138 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 139 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
140 | |
141 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
142 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
143 | static void *zl3vni_alloc(void *p); | |
144 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
145 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
146 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
147 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
148 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
149 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
150 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
151 | ||
d62a17ae | 152 | static unsigned int mac_hash_keymake(void *p); |
74df8d6d | 153 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 154 | static void *zvni_mac_alloc(void *p); |
155 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
156 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 157 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
158 | struct in_addr *r_vtep_ip); | |
996c9314 | 159 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 160 | uint32_t flags); |
d62a17ae | 161 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 162 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 163 | uint8_t flags, uint32_t seq); |
e98e4b88 | 164 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr); |
d62a17ae | 165 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
166 | struct interface *br_if, vlanid_t vid); | |
167 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 168 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
e3b78da8 | 169 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt); |
d62a17ae | 170 | |
171 | static unsigned int vni_hash_keymake(void *p); | |
d62a17ae | 172 | static void *zvni_alloc(void *p); |
2853fed6 | 173 | static zebra_vni_t *zvni_lookup(vni_t vni); |
174 | static zebra_vni_t *zvni_add(vni_t vni); | |
175 | static int zvni_del(zebra_vni_t *zvni); | |
176 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
177 | static int zvni_send_del_to_client(vni_t vni); | |
4d762f26 | 178 | static void zvni_build_hash_table(void); |
d62a17ae | 179 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
180 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
9718c54e AK |
181 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip, |
182 | int flood_control); | |
d62a17ae | 183 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); |
184 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
9718c54e | 185 | static int zvni_vtep_install(zebra_vni_t *zvni, zebra_vtep_t *zvtep); |
d62a17ae | 186 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); |
1a98c087 MK |
187 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
188 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
189 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
190 | struct ethaddr *macaddr, struct ipaddr *ip); | |
191 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
192 | struct ipaddr *ip); | |
193 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 194 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
278e26de | 195 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni); |
e22a946a CS |
196 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, |
197 | zebra_mac_t *old_zmac, | |
198 | zebra_mac_t *new_zmac, | |
199 | zebra_neigh_t *nbr); | |
fe697c6b | 200 | static int remote_neigh_count(zebra_mac_t *zmac); |
201 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
c80a972c CS |
202 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t); |
203 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t); | |
7510e459 CS |
204 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
205 | zebra_neigh_t *nbr, | |
206 | struct in_addr vtep_ip, | |
207 | bool do_dad, | |
208 | bool *is_dup_detect, | |
209 | bool is_local); | |
bdca1974 CS |
210 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
211 | zebra_mac_t *mac, | |
212 | struct in_addr vtep_ip, | |
213 | bool do_dad, | |
214 | bool *is_dup_detect, | |
215 | bool is_local); | |
015d264c AK |
216 | static unsigned int zebra_vxlan_sg_hash_key_make(void *p); |
217 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2); | |
218 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
219 | struct in_addr sip, struct in_addr mcast_grp); | |
220 | static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *vrf, | |
221 | struct in_addr sip, struct in_addr mcast_grp); | |
abfa0a96 AK |
222 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, |
223 | struct in_addr mcast_grp); | |
224 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
225 | struct in_addr mcast_grp); | |
226 | static void zebra_vxlan_sg_cleanup(struct hash_backet *backet, void *arg); | |
13d60d35 | 227 | |
228 | /* Private functions */ | |
5e1b0650 | 229 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 230 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
231 | { |
232 | if (hle1->p.family < hle2->p.family) | |
233 | return -1; | |
234 | ||
235 | if (hle1->p.family > hle2->p.family) | |
236 | return 1; | |
237 | ||
238 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
239 | return -1; | |
240 | ||
241 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
242 | return 1; | |
243 | ||
244 | if (hle1->p.family == AF_INET) { | |
245 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
246 | return -1; | |
247 | ||
248 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
249 | return 1; | |
250 | ||
251 | return 0; | |
2acc2310 DS |
252 | } else if (hle1->p.family == AF_INET6) { |
253 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
254 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 255 | } else { |
9df414fe QY |
256 | zlog_debug("%s: Unexpected family type: %d", |
257 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
258 | return 0; |
259 | } | |
260 | } | |
85442b09 | 261 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 262 | |
85442b09 | 263 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
264 | { |
265 | struct host_rb_entry *hle; | |
266 | uint32_t count = 0; | |
267 | ||
85442b09 | 268 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
269 | count++; |
270 | ||
271 | return count; | |
272 | } | |
13d60d35 | 273 | |
790f8dc5 | 274 | /* |
275 | * Return number of valid MACs in a VNI's MAC hash table - all | |
276 | * remote MACs and non-internal (auto) local MACs count. | |
277 | */ | |
d7c0a89a | 278 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 279 | { |
280 | unsigned int i; | |
d7c0a89a | 281 | uint32_t num_macs = 0; |
790f8dc5 | 282 | struct hash *hash; |
e3b78da8 | 283 | struct hash_bucket *hb; |
790f8dc5 | 284 | zebra_mac_t *mac; |
285 | ||
286 | hash = zvni->mac_table; | |
287 | if (!hash) | |
288 | return num_macs; | |
289 | for (i = 0; i < hash->size; i++) { | |
290 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
291 | mac = (zebra_mac_t *)hb->data; | |
292 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 293 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 294 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
295 | num_macs++; | |
296 | } | |
297 | } | |
298 | ||
299 | return num_macs; | |
300 | } | |
301 | ||
1374d4db CS |
302 | static uint32_t num_dup_detected_macs(zebra_vni_t *zvni) |
303 | { | |
304 | unsigned int i; | |
305 | uint32_t num_macs = 0; | |
306 | struct hash *hash; | |
e3b78da8 | 307 | struct hash_bucket *hb; |
1374d4db CS |
308 | zebra_mac_t *mac; |
309 | ||
310 | hash = zvni->mac_table; | |
311 | if (!hash) | |
312 | return num_macs; | |
313 | for (i = 0; i < hash->size; i++) { | |
314 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
315 | mac = (zebra_mac_t *)hb->data; | |
316 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
317 | num_macs++; | |
318 | } | |
319 | } | |
320 | ||
321 | return num_macs; | |
322 | } | |
323 | ||
324 | static uint32_t num_dup_detected_neighs(zebra_vni_t *zvni) | |
325 | { | |
326 | unsigned int i; | |
327 | uint32_t num_neighs = 0; | |
328 | struct hash *hash; | |
e3b78da8 | 329 | struct hash_bucket *hb; |
1374d4db CS |
330 | zebra_neigh_t *nbr; |
331 | ||
332 | hash = zvni->neigh_table; | |
333 | if (!hash) | |
334 | return num_neighs; | |
335 | for (i = 0; i < hash->size; i++) { | |
336 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
337 | nbr = (zebra_neigh_t *)hb->data; | |
338 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
339 | num_neighs++; | |
340 | } | |
341 | } | |
342 | ||
343 | return num_neighs; | |
344 | } | |
345 | ||
2853fed6 | 346 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 347 | { |
2853fed6 | 348 | struct zebra_vrf *zvrf; |
349 | ||
150971b5 | 350 | zvrf = zebra_vrf_get_evpn(); |
1a98c087 MK |
351 | if (zvrf && zvrf->advertise_gw_macip) |
352 | return 1; | |
353 | ||
354 | if (zvni && zvni->advertise_gw_macip) | |
355 | return 1; | |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
278e26de CS |
360 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni) |
361 | { | |
362 | struct zebra_vrf *zvrf; | |
363 | ||
a0b0b5c8 | 364 | zvrf = zebra_vrf_get_evpn(); |
278e26de CS |
365 | if (zvrf && zvrf->advertise_svi_macip) |
366 | return 1; | |
367 | ||
368 | if (zvni && zvni->advertise_svi_macip) | |
369 | return 1; | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
e22a946a | 374 | /* As part Duplicate Address Detection (DAD) for IP mobility |
979777b2 CS |
375 | * MAC binding changes, ensure to inherit duplicate flag |
376 | * from MAC. | |
e22a946a CS |
377 | */ |
378 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, | |
379 | zebra_mac_t *old_zmac, | |
380 | zebra_mac_t *new_zmac, | |
381 | zebra_neigh_t *nbr) | |
382 | { | |
383 | bool is_old_mac_dup = false; | |
384 | bool is_new_mac_dup = false; | |
385 | ||
386 | if (!zvrf->dup_addr_detect) | |
387 | return 0; | |
388 | /* Check old or new MAC is detected as duplicate | |
389 | * mark this neigh as duplicate | |
390 | */ | |
391 | if (old_zmac) | |
392 | is_old_mac_dup = CHECK_FLAG(old_zmac->flags, | |
393 | ZEBRA_MAC_DUPLICATE); | |
394 | if (new_zmac) | |
395 | is_new_mac_dup = CHECK_FLAG(new_zmac->flags, | |
396 | ZEBRA_MAC_DUPLICATE); | |
397 | /* Old and/or new MAC can be in duplicate state, | |
398 | * based on that IP/Neigh Inherits the flag. | |
399 | * If New MAC is marked duplicate, inherit to the IP. | |
400 | * If old MAC is duplicate but new MAC is not, clear | |
401 | * duplicate flag for IP and reset detection params | |
402 | * and let IP DAD retrigger. | |
403 | */ | |
404 | if (is_new_mac_dup && !CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
405 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
406 | /* Capture Duplicate detection time */ | |
407 | nbr->dad_dup_detect_time = monotime(NULL); | |
c34e362b CS |
408 | /* Mark neigh inactive */ |
409 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
410 | ||
e22a946a CS |
411 | return 1; |
412 | } else if (is_old_mac_dup && !is_new_mac_dup) { | |
413 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
414 | nbr->dad_count = 0; | |
415 | nbr->detect_start_time.tv_sec = 0; | |
416 | nbr->detect_start_time.tv_usec = 0; | |
417 | } | |
418 | return 0; | |
419 | } | |
420 | ||
bdca1974 CS |
421 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
422 | zebra_mac_t *mac, | |
423 | struct in_addr vtep_ip, | |
424 | bool do_dad, | |
425 | bool *is_dup_detect, | |
426 | bool is_local) | |
427 | { | |
428 | zebra_neigh_t *nbr; | |
429 | struct listnode *node = NULL; | |
430 | struct timeval elapsed = {0, 0}; | |
431 | char buf[ETHER_ADDR_STRLEN]; | |
432 | char buf1[INET6_ADDRSTRLEN]; | |
433 | bool reset_params = false; | |
434 | ||
435 | if (!(zvrf->dup_addr_detect && do_dad)) | |
436 | return; | |
437 | ||
438 | /* MAC is detected as duplicate, | |
439 | * Local MAC event -> hold on advertising to BGP. | |
440 | * Remote MAC event -> hold on installing it. | |
441 | */ | |
442 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
443 | if (IS_ZEBRA_DEBUG_VXLAN) | |
444 | zlog_debug( | |
445 | "%s: duplicate addr MAC %s flags 0x%x skip update to client, learn count %u recover time %u", | |
446 | __PRETTY_FUNCTION__, | |
447 | prefix_mac2str(&mac->macaddr, buf, | |
448 | sizeof(buf)), | |
449 | mac->flags, mac->dad_count, | |
450 | zvrf->dad_freeze_time); | |
451 | ||
452 | /* For duplicate MAC do not update | |
453 | * client but update neigh due to | |
454 | * this MAC update. | |
455 | */ | |
456 | if (zvrf->dad_freeze) | |
a4445ece | 457 | *is_dup_detect = true; |
bdca1974 CS |
458 | |
459 | return; | |
460 | } | |
461 | ||
462 | /* Check if detection time (M-secs) expired. | |
463 | * Reset learn count and detection start time. | |
464 | */ | |
465 | monotime_since(&mac->detect_start_time, &elapsed); | |
466 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
467 | if (is_local && !reset_params) { | |
468 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
469 | * event via LOCAL learning starts an M-second timer. | |
470 | * | |
471 | * NOTE: This is the START of the probe with count is | |
472 | * 0 during LOCAL learn event. | |
473 | * (mac->dad_count == 0 || elapsed.tv_sec >= zvrf->dad_time) | |
474 | */ | |
475 | reset_params = !mac->dad_count; | |
476 | } | |
477 | ||
478 | if (reset_params) { | |
479 | if (IS_ZEBRA_DEBUG_VXLAN) | |
480 | zlog_debug( | |
481 | "%s: duplicate addr MAC %s flags 0x%x detection time passed, reset learn count %u" | |
482 | , __PRETTY_FUNCTION__, | |
483 | prefix_mac2str(&mac->macaddr, buf, | |
484 | sizeof(buf)), | |
485 | mac->flags, mac->dad_count); | |
486 | ||
487 | mac->dad_count = 0; | |
488 | /* Start dup. addr detection (DAD) start time, | |
489 | * ONLY during LOCAL learn. | |
490 | */ | |
491 | if (is_local) | |
492 | monotime(&mac->detect_start_time); | |
493 | ||
494 | } else if (!is_local) { | |
495 | /* For REMOTE MAC, increment detection count | |
496 | * ONLY while in probe window, once window passed, | |
497 | * next local learn event should trigger DAD. | |
498 | */ | |
499 | mac->dad_count++; | |
500 | } | |
501 | ||
502 | /* For LOCAL MAC learn event, once count is reset above via either | |
503 | * initial/start detection time or passed the probe time, the count | |
504 | * needs to be incremented. | |
505 | */ | |
506 | if (is_local) | |
507 | mac->dad_count++; | |
508 | ||
bdca1974 CS |
509 | if (mac->dad_count >= zvrf->dad_max_moves) { |
510 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
511 | "VNI %u: MAC %s detected as duplicate during %s VTEP %s", | |
512 | mac->zvni->vni, | |
513 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
514 | is_local ? "local update, last" : | |
515 | "remote update, from", inet_ntoa(vtep_ip)); | |
516 | ||
517 | SET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
518 | ||
519 | /* Capture Duplicate detection time */ | |
520 | mac->dad_dup_detect_time = monotime(NULL); | |
521 | ||
522 | /* Mark all IPs/Neighs as duplicate | |
523 | * associcated with this MAC | |
524 | */ | |
525 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
526 | ||
527 | /* Ony Mark IPs which are Local */ | |
528 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
529 | continue; | |
530 | ||
531 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
532 | ||
533 | nbr->dad_dup_detect_time = monotime(NULL); | |
534 | ||
535 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
536 | "VNI %u: MAC %s IP %s detected as duplicate during %s update, inherit duplicate from MAC", | |
537 | mac->zvni->vni, | |
538 | prefix_mac2str(&mac->macaddr, | |
539 | buf, sizeof(buf)), | |
540 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
541 | is_local ? "local" : "remote"); | |
542 | } | |
543 | ||
544 | /* Start auto recovery timer for this MAC */ | |
545 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
546 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
547 | if (IS_ZEBRA_DEBUG_VXLAN) | |
548 | zlog_debug( | |
549 | "%s: duplicate addr MAC %s flags 0x%x auto recovery time %u start" | |
550 | , __PRETTY_FUNCTION__, | |
551 | prefix_mac2str(&mac->macaddr, buf, | |
552 | sizeof(buf)), | |
553 | mac->flags, zvrf->dad_freeze_time); | |
554 | ||
3801e764 | 555 | thread_add_timer(zrouter.master, |
bdca1974 CS |
556 | zebra_vxlan_dad_mac_auto_recovery_exp, |
557 | mac, zvrf->dad_freeze_time, | |
558 | &mac->dad_mac_auto_recovery_timer); | |
559 | } | |
560 | ||
a4445ece | 561 | /* In case of local update, do not inform to client (BGPd), |
bdca1974 CS |
562 | * upd_neigh for neigh sequence change. |
563 | */ | |
564 | if (zvrf->dad_freeze) | |
a4445ece | 565 | *is_dup_detect = true; |
bdca1974 CS |
566 | } |
567 | } | |
568 | ||
7510e459 CS |
569 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
570 | zebra_neigh_t *nbr, | |
571 | struct in_addr vtep_ip, | |
572 | bool do_dad, | |
573 | bool *is_dup_detect, | |
574 | bool is_local) | |
575 | { | |
576 | ||
577 | struct timeval elapsed = {0, 0}; | |
578 | char buf[ETHER_ADDR_STRLEN]; | |
579 | char buf1[INET6_ADDRSTRLEN]; | |
580 | bool reset_params = false; | |
581 | ||
582 | if (!zvrf->dup_addr_detect) | |
583 | return; | |
584 | ||
585 | /* IP is detected as duplicate or inherit dup | |
586 | * state, hold on to install as remote entry | |
587 | * only if freeze is enabled. | |
588 | */ | |
589 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
590 | if (IS_ZEBRA_DEBUG_VXLAN) | |
591 | zlog_debug( | |
592 | "%s: duplicate addr MAC %s IP %s flags 0x%x skip installing, learn count %u recover time %u", | |
593 | __PRETTY_FUNCTION__, | |
594 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
595 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
596 | nbr->flags, nbr->dad_count, | |
597 | zvrf->dad_freeze_time); | |
598 | ||
599 | if (zvrf->dad_freeze) | |
600 | *is_dup_detect = true; | |
753ad4fe | 601 | |
7510e459 CS |
602 | /* warn-only action, neigh will be installed. |
603 | * freeze action, it wil not be installed. | |
604 | */ | |
605 | return; | |
606 | } | |
607 | ||
608 | if (!do_dad) | |
609 | return; | |
610 | ||
611 | /* Check if detection time (M-secs) expired. | |
612 | * Reset learn count and detection start time. | |
613 | * During remote mac add, count should already be 1 | |
614 | * via local learning. | |
615 | */ | |
616 | monotime_since(&nbr->detect_start_time, &elapsed); | |
617 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
618 | ||
619 | if (is_local && !reset_params) { | |
620 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
621 | * event via LOCAL learning starts an M-second timer. | |
622 | * | |
623 | * NOTE: This is the START of the probe with count is | |
624 | * 0 during LOCAL learn event. | |
625 | */ | |
626 | reset_params = !nbr->dad_count; | |
627 | } | |
628 | ||
629 | if (reset_params) { | |
630 | if (IS_ZEBRA_DEBUG_VXLAN) | |
631 | zlog_debug( | |
632 | "%s: duplicate addr MAC %s IP %s flags 0x%x detection time passed, reset learn count %u", | |
633 | __PRETTY_FUNCTION__, | |
634 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
635 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
636 | nbr->flags, nbr->dad_count); | |
637 | /* Reset learn count but do not start detection | |
638 | * during REMOTE learn event. | |
639 | */ | |
640 | nbr->dad_count = 0; | |
641 | /* Start dup. addr detection (DAD) start time, | |
642 | * ONLY during LOCAL learn. | |
643 | */ | |
644 | if (is_local) | |
645 | monotime(&nbr->detect_start_time); | |
646 | ||
647 | } else if (!is_local) { | |
648 | /* For REMOTE IP/Neigh, increment detection count | |
649 | * ONLY while in probe window, once window passed, | |
650 | * next local learn event should trigger DAD. | |
651 | */ | |
652 | nbr->dad_count++; | |
653 | } | |
654 | ||
655 | /* For LOCAL IP/Neigh learn event, once count is reset above via either | |
656 | * initial/start detection time or passed the probe time, the count | |
657 | * needs to be incremented. | |
658 | */ | |
659 | if (is_local) | |
660 | nbr->dad_count++; | |
661 | ||
662 | if (nbr->dad_count >= zvrf->dad_max_moves) { | |
663 | flog_warn(EC_ZEBRA_DUP_IP_DETECTED, | |
664 | "VNI %u: MAC %s IP %s detected as duplicate during %s VTEP %s", | |
665 | nbr->zvni->vni, | |
666 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
667 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
668 | is_local ? "local update, last" : | |
669 | "remote update, from", | |
670 | inet_ntoa(vtep_ip)); | |
671 | ||
672 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
673 | ||
674 | /* Capture Duplicate detection time */ | |
675 | nbr->dad_dup_detect_time = monotime(NULL); | |
676 | ||
677 | /* Start auto recovery timer for this IP */ | |
678 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
679 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
680 | if (IS_ZEBRA_DEBUG_VXLAN) | |
681 | zlog_debug( | |
682 | "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start", | |
683 | __PRETTY_FUNCTION__, | |
684 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
685 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
686 | nbr->flags, zvrf->dad_freeze_time); | |
687 | ||
3801e764 | 688 | thread_add_timer(zrouter.master, |
7510e459 CS |
689 | zebra_vxlan_dad_ip_auto_recovery_exp, |
690 | nbr, zvrf->dad_freeze_time, | |
691 | &nbr->dad_ip_auto_recovery_timer); | |
692 | } | |
693 | if (zvrf->dad_freeze) | |
694 | *is_dup_detect = true; | |
695 | } | |
696 | } | |
697 | ||
cec2e17d | 698 | /* |
699 | * Helper function to determine maximum width of neighbor IP address for | |
700 | * display - just because we're dealing with IPv6 addresses that can | |
701 | * widely vary. | |
702 | */ | |
e3b78da8 | 703 | static void zvni_find_neigh_addr_width(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 704 | { |
d62a17ae | 705 | zebra_neigh_t *n; |
706 | char buf[INET6_ADDRSTRLEN]; | |
707 | struct neigh_walk_ctx *wctx = ctxt; | |
708 | int width; | |
cec2e17d | 709 | |
e3b78da8 | 710 | n = (zebra_neigh_t *)bucket->data; |
cec2e17d | 711 | |
1445b43c A |
712 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
713 | width = strlen(buf); | |
d62a17ae | 714 | if (width > wctx->addr_width) |
715 | wctx->addr_width = width; | |
68e33151 | 716 | |
cec2e17d | 717 | } |
718 | ||
719 | /* | |
720 | * Print a specific neighbor entry. | |
721 | */ | |
cd233079 | 722 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 723 | { |
d62a17ae | 724 | struct vty *vty; |
725 | char buf1[ETHER_ADDR_STRLEN]; | |
726 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 727 | const char *type_str; |
728 | const char *state_str; | |
729 | bool flags_present = false; | |
979777b2 | 730 | struct zebra_vrf *zvrf = NULL; |
87454e6b | 731 | struct timeval detect_start_time = {0, 0}; |
cec2e17d | 732 | |
cff8f33b | 733 | zvrf = zebra_vrf_get_evpn(); |
979777b2 CS |
734 | if (!zvrf) |
735 | return; | |
736 | ||
cd233079 CS |
737 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
738 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 739 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
740 | "local" : "remote"; | |
741 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
742 | vty = (struct vty *)ctxt; |
743 | if (json == NULL) { | |
744 | vty_out(vty, "IP: %s\n", | |
745 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 746 | vty_out(vty, " Type: %s\n", type_str); |
747 | vty_out(vty, " State: %s\n", state_str); | |
748 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
749 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
750 | } else { | |
751 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 752 | json_object_string_add(json, "type", type_str); |
753 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
754 | json_object_string_add(json, "mac", buf1); |
755 | } | |
756 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 757 | if (json == NULL) { |
1a8c5c38 | 758 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 759 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 760 | } else |
cd233079 CS |
761 | json_object_string_add(json, "remoteVtep", |
762 | inet_ntoa(n->r_vtep_ip)); | |
763 | } | |
ead40654 | 764 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 765 | if (!json) { |
766 | vty_out(vty, " Flags: Default-gateway"); | |
767 | flags_present = true; | |
768 | } else | |
ead40654 MK |
769 | json_object_boolean_true_add(json, "defaultGateway"); |
770 | } | |
68e33151 | 771 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 772 | if (!json) { |
773 | vty_out(vty, | |
774 | flags_present ? " ,Router" : " Flags: Router"); | |
775 | flags_present = true; | |
776 | } | |
68e33151 | 777 | } |
f07e1c99 | 778 | if (json == NULL) { |
1a8c5c38 | 779 | if (flags_present) |
780 | vty_out(vty, "\n"); | |
781 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 782 | n->loc_seq, n->rem_seq); |
87454e6b CS |
783 | |
784 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
785 | vty_out(vty, " Duplicate, detected at %s", | |
786 | time_to_string(n->dad_dup_detect_time)); | |
787 | } else if (n->dad_count) { | |
788 | monotime_since(&n->detect_start_time, | |
789 | &detect_start_time); | |
790 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
37a04040 CS |
791 | char *buf = time_to_string( |
792 | n->detect_start_time.tv_sec); | |
87454e6b CS |
793 | char tmp_buf[30]; |
794 | ||
138a4965 | 795 | strlcpy(tmp_buf, buf, sizeof(tmp_buf)); |
87454e6b CS |
796 | vty_out(vty, |
797 | " Duplicate detection started at %s, detection count %u\n", | |
798 | tmp_buf, n->dad_count); | |
799 | } | |
800 | } | |
1a8c5c38 | 801 | } else { |
802 | json_object_int_add(json, "localSequence", n->loc_seq); | |
803 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
87454e6b CS |
804 | json_object_int_add(json, "detectionCount", |
805 | n->dad_count); | |
806 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
807 | json_object_boolean_true_add(json, "isDuplicate"); | |
808 | else | |
809 | json_object_boolean_false_add(json, "isDuplicate"); | |
810 | ||
811 | ||
68e33151 | 812 | } |
cec2e17d | 813 | } |
814 | ||
815 | /* | |
816 | * Print neighbor hash entry - called for display of all neighbors. | |
817 | */ | |
e3b78da8 | 818 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 819 | { |
820 | struct vty *vty; | |
cd233079 | 821 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 822 | zebra_neigh_t *n; |
823 | char buf1[ETHER_ADDR_STRLEN]; | |
824 | char buf2[INET6_ADDRSTRLEN]; | |
825 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 826 | const char *state_str; |
d62a17ae | 827 | |
828 | vty = wctx->vty; | |
cd233079 | 829 | json_vni = wctx->json; |
e3b78da8 | 830 | n = (zebra_neigh_t *)bucket->data; |
d62a17ae | 831 | |
cd233079 CS |
832 | if (json_vni) |
833 | json_row = json_object_new_object(); | |
834 | ||
d62a17ae | 835 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
836 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 837 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
838 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
839 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
840 | return; | |
841 | ||
cd233079 | 842 | if (json_vni == NULL) { |
1a8c5c38 | 843 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
844 | -wctx->addr_width, buf2, "local", | |
845 | state_str, buf1); | |
cd233079 CS |
846 | } else { |
847 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 848 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 849 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 850 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
851 | json_object_boolean_true_add( | |
852 | json_row, "defaultGateway"); | |
853 | json_object_int_add(json_row, "localSequence", | |
854 | n->loc_seq); | |
855 | json_object_int_add(json_row, "remoteSequence", | |
856 | n->rem_seq); | |
87454e6b CS |
857 | json_object_int_add(json_row, "detectionCount", |
858 | n->dad_count); | |
859 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
860 | json_object_boolean_true_add(json_row, | |
861 | "isDuplicate"); | |
862 | else | |
863 | json_object_boolean_false_add(json_row, | |
864 | "isDuplicate"); | |
cd233079 | 865 | } |
d62a17ae | 866 | wctx->count++; |
1a8c5c38 | 867 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
868 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
869 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
870 | return; | |
871 | ||
872 | if (json_vni == NULL) { | |
873 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
874 | (wctx->count == 0)) | |
875 | vty_out(vty, | |
876 | "%*s %-6s %-8s %-17s %-21s\n", | |
877 | -wctx->addr_width, "Neighbor", "Type", | |
878 | "State", "MAC", "Remote VTEP"); | |
879 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
880 | -wctx->addr_width, buf2, "remote", state_str, | |
881 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 882 | } else { |
1a8c5c38 | 883 | json_object_string_add(json_row, "type", "remote"); |
884 | json_object_string_add(json_row, "state", state_str); | |
885 | json_object_string_add(json_row, "mac", buf1); | |
886 | json_object_string_add(json_row, "remoteVtep", | |
887 | inet_ntoa(n->r_vtep_ip)); | |
888 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
889 | json_object_boolean_true_add(json_row, | |
890 | "defaultGateway"); | |
891 | json_object_int_add(json_row, "localSequence", | |
892 | n->loc_seq); | |
893 | json_object_int_add(json_row, "remoteSequence", | |
894 | n->rem_seq); | |
87454e6b CS |
895 | json_object_int_add(json_row, "detectionCount", |
896 | n->dad_count); | |
897 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
898 | json_object_boolean_true_add(json_row, | |
899 | "isDuplicate"); | |
900 | else | |
901 | json_object_boolean_false_add(json_row, | |
902 | "isDuplicate"); | |
d62a17ae | 903 | } |
1a8c5c38 | 904 | wctx->count++; |
d62a17ae | 905 | } |
cd233079 CS |
906 | |
907 | if (json_vni) | |
908 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 909 | } |
910 | ||
e3fac919 NS |
911 | /* |
912 | * Print neighbor hash entry in detail - called for display of all neighbors. | |
913 | */ | |
e3b78da8 | 914 | static void zvni_print_neigh_hash_detail(struct hash_bucket *bucket, void *ctxt) |
e3fac919 NS |
915 | { |
916 | struct vty *vty; | |
917 | json_object *json_vni = NULL, *json_row = NULL; | |
918 | zebra_neigh_t *n; | |
919 | char buf[INET6_ADDRSTRLEN]; | |
920 | struct neigh_walk_ctx *wctx = ctxt; | |
921 | ||
922 | vty = wctx->vty; | |
923 | json_vni = wctx->json; | |
e3b78da8 | 924 | n = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
925 | if (!n) |
926 | return; | |
927 | ||
928 | ipaddr2str(&n->ip, buf, sizeof(buf)); | |
929 | if (json_vni) | |
930 | json_row = json_object_new_object(); | |
931 | ||
932 | zvni_print_neigh(n, vty, json_row); | |
933 | ||
934 | if (json_vni) | |
935 | json_object_object_add(json_vni, buf, json_row); | |
936 | } | |
937 | ||
cec2e17d | 938 | /* |
939 | * Print neighbors for all VNI. | |
940 | */ | |
e3b78da8 | 941 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, |
cd233079 | 942 | void **args) |
cec2e17d | 943 | { |
d62a17ae | 944 | struct vty *vty; |
cd233079 | 945 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 946 | zebra_vni_t *zvni; |
d7c0a89a | 947 | uint32_t num_neigh; |
d62a17ae | 948 | struct neigh_walk_ctx wctx; |
cd233079 | 949 | char vni_str[VNI_STR_LEN]; |
1374d4db | 950 | uint32_t print_dup; |
cd233079 CS |
951 | |
952 | vty = (struct vty *)args[0]; | |
953 | json = (json_object *)args[1]; | |
1374d4db | 954 | print_dup = (uint32_t)(uintptr_t)args[2]; |
cec2e17d | 955 | |
e3b78da8 | 956 | zvni = (zebra_vni_t *)bucket->data; |
9ea660be | 957 | |
d62a17ae | 958 | num_neigh = hashcount(zvni->neigh_table); |
1374d4db CS |
959 | |
960 | if (print_dup) | |
961 | num_neigh = num_dup_detected_neighs(zvni); | |
962 | ||
68e33151 | 963 | if (json == NULL) { |
cd233079 CS |
964 | vty_out(vty, |
965 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
966 | zvni->vni, num_neigh); | |
68e33151 | 967 | } else { |
cd233079 CS |
968 | json_vni = json_object_new_object(); |
969 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
970 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
971 | } | |
1374d4db | 972 | |
cd233079 CS |
973 | if (!num_neigh) { |
974 | if (json) | |
975 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 976 | return; |
cd233079 | 977 | } |
cec2e17d | 978 | |
d62a17ae | 979 | /* Since we have IPv6 addresses to deal with which can vary widely in |
980 | * size, we try to be a bit more elegant in display by first computing | |
981 | * the maximum width. | |
982 | */ | |
983 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
984 | wctx.zvni = zvni; | |
985 | wctx.vty = vty; | |
986 | wctx.addr_width = 15; | |
cd233079 | 987 | wctx.json = json_vni; |
d62a17ae | 988 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 989 | |
68e33151 | 990 | if (json == NULL) { |
1a8c5c38 | 991 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
992 | -wctx.addr_width, "IP", "Type", | |
993 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 994 | } |
1374d4db CS |
995 | if (print_dup) |
996 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, | |
997 | &wctx); | |
998 | else | |
999 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
cd233079 CS |
1000 | |
1001 | if (json) | |
1002 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 1003 | } |
1004 | ||
e3b78da8 | 1005 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
1006 | { |
1007 | zebra_neigh_t *nbr; | |
1008 | ||
e3b78da8 | 1009 | nbr = (zebra_neigh_t *)bucket->data; |
1374d4db CS |
1010 | if (!nbr) |
1011 | return; | |
1012 | ||
1013 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 1014 | zvni_print_neigh_hash(bucket, ctxt); |
1374d4db CS |
1015 | } |
1016 | ||
e3b78da8 | 1017 | static void zvni_print_dad_neigh_hash_detail(struct hash_bucket *bucket, |
e3fac919 NS |
1018 | void *ctxt) |
1019 | { | |
1020 | zebra_neigh_t *nbr; | |
1021 | ||
e3b78da8 | 1022 | nbr = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
1023 | if (!nbr) |
1024 | return; | |
1025 | ||
1026 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 1027 | zvni_print_neigh_hash_detail(bucket, ctxt); |
e3fac919 NS |
1028 | } |
1029 | ||
1030 | /* | |
1031 | * Print neighbors for all VNIs in detail. | |
1032 | */ | |
e3b78da8 | 1033 | static void zvni_print_neigh_hash_all_vni_detail(struct hash_bucket *bucket, |
e3fac919 NS |
1034 | void **args) |
1035 | { | |
1036 | struct vty *vty; | |
1037 | json_object *json = NULL, *json_vni = NULL; | |
1038 | zebra_vni_t *zvni; | |
1039 | uint32_t num_neigh; | |
1040 | struct neigh_walk_ctx wctx; | |
1041 | char vni_str[VNI_STR_LEN]; | |
1042 | uint32_t print_dup; | |
1043 | ||
1044 | vty = (struct vty *)args[0]; | |
1045 | json = (json_object *)args[1]; | |
1046 | print_dup = (uint32_t)(uintptr_t)args[2]; | |
1047 | ||
e3b78da8 | 1048 | zvni = (zebra_vni_t *)bucket->data; |
e3fac919 NS |
1049 | if (!zvni) { |
1050 | if (json) | |
1051 | vty_out(vty, "{}\n"); | |
1052 | return; | |
1053 | } | |
1054 | num_neigh = hashcount(zvni->neigh_table); | |
1055 | ||
1056 | if (print_dup && num_dup_detected_neighs(zvni) == 0) | |
1057 | return; | |
1058 | ||
1059 | if (json == NULL) { | |
1060 | vty_out(vty, | |
1061 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
1062 | zvni->vni, num_neigh); | |
1063 | } else { | |
1064 | json_vni = json_object_new_object(); | |
1065 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1066 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1067 | } | |
1068 | if (!num_neigh) { | |
1069 | if (json) | |
1070 | json_object_object_add(json, vni_str, json_vni); | |
1071 | return; | |
1072 | } | |
1073 | ||
1074 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
1075 | wctx.zvni = zvni; | |
1076 | wctx.vty = vty; | |
1077 | wctx.addr_width = 15; | |
1078 | wctx.json = json_vni; | |
1079 | ||
1080 | if (print_dup) | |
1081 | hash_iterate(zvni->neigh_table, | |
1082 | zvni_print_dad_neigh_hash_detail, &wctx); | |
1083 | else | |
1084 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash_detail, | |
1085 | &wctx); | |
1086 | ||
1087 | if (json) | |
1088 | json_object_object_add(json, vni_str, json_vni); | |
1089 | } | |
1090 | ||
9aa741ea | 1091 | /* print a specific next hop for an l3vni */ |
996c9314 | 1092 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 1093 | json_object *json) |
9aa741ea MK |
1094 | { |
1095 | char buf1[ETHER_ADDR_STRLEN]; | |
1096 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 1097 | json_object *json_hosts = NULL; |
f2a503f0 | 1098 | struct host_rb_entry *hle; |
9aa741ea | 1099 | |
c0e519d3 MK |
1100 | if (!json) { |
1101 | vty_out(vty, "Ip: %s\n", | |
1102 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1103 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 1104 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
1105 | vty_out(vty, " Refcount: %d\n", |
1106 | rb_host_count(&n->host_rb)); | |
4cce389e | 1107 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1108 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1109 | vty_out(vty, " %s\n", |
f2a503f0 | 1110 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
1111 | } else { |
1112 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1113 | json_object_string_add( |
1114 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
1115 | json_object_string_add( | |
1116 | json, "routerMac", | |
1117 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
1118 | json_object_int_add(json, "refCount", |
1119 | rb_host_count(&n->host_rb)); | |
85442b09 | 1120 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1121 | json_object_array_add(json_hosts, |
996c9314 | 1122 | json_object_new_string(prefix2str( |
f2a503f0 | 1123 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 1124 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 1125 | } |
9aa741ea MK |
1126 | } |
1127 | ||
1128 | /* Print a specific RMAC entry */ | |
996c9314 | 1129 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 1130 | json_object *json) |
9aa741ea MK |
1131 | { |
1132 | char buf1[ETHER_ADDR_STRLEN]; | |
1133 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 1134 | json_object *json_hosts = NULL; |
5e1b0650 | 1135 | struct host_rb_entry *hle; |
9aa741ea | 1136 | |
316f4ca4 MK |
1137 | if (!json) { |
1138 | vty_out(vty, "MAC: %s\n", | |
1139 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
1140 | vty_out(vty, " Remote VTEP: %s\n", | |
1141 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 1142 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 1143 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1144 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 1145 | vty_out(vty, " %s\n", |
5e1b0650 | 1146 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
1147 | } else { |
1148 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1149 | json_object_string_add( |
1150 | json, "routerMac", | |
1151 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 1152 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 1153 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
1154 | json_object_int_add(json, "refCount", |
1155 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 1156 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
1157 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 1158 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
1159 | json_object_array_add( |
1160 | json_hosts, | |
1161 | json_object_new_string(prefix2str( | |
1162 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 1163 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 1164 | } |
9aa741ea MK |
1165 | } |
1166 | ||
cec2e17d | 1167 | /* |
1168 | * Print a specific MAC entry. | |
1169 | */ | |
24cdbd0d | 1170 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) |
d62a17ae | 1171 | { |
1172 | struct vty *vty; | |
b6938a74 MK |
1173 | zebra_neigh_t *n = NULL; |
1174 | struct listnode *node = NULL; | |
138a4965 | 1175 | char buf1[ETHER_ADDR_STRLEN]; |
b6938a74 | 1176 | char buf2[INET6_ADDRSTRLEN]; |
87454e6b CS |
1177 | struct zebra_vrf *zvrf; |
1178 | struct timeval detect_start_time = {0, 0}; | |
1179 | ||
cff8f33b T |
1180 | zvrf = zebra_vrf_get_evpn(); |
1181 | if (!zvrf) | |
1182 | return; | |
d62a17ae | 1183 | |
1184 | vty = (struct vty *)ctxt; | |
24cdbd0d | 1185 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); |
d62a17ae | 1186 | |
24cdbd0d DS |
1187 | if (json) { |
1188 | json_object *json_mac = json_object_new_object(); | |
1189 | ||
1190 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1191 | struct zebra_ns *zns; | |
1192 | struct interface *ifp; | |
1193 | ifindex_t ifindex; | |
1194 | ||
1195 | ifindex = mac->fwd_info.local.ifindex; | |
1196 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1197 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1198 | if (!ifp) | |
1199 | return; | |
1200 | json_object_string_add(json_mac, "type", "local"); | |
1201 | json_object_string_add(json_mac, "intf", ifp->name); | |
1202 | json_object_int_add(json_mac, "ifindex", ifindex); | |
1203 | if (mac->fwd_info.local.vid) | |
1204 | json_object_int_add(json_mac, "vlan", | |
1205 | mac->fwd_info.local.vid); | |
1206 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1207 | json_object_string_add(json_mac, "type", "remote"); | |
1208 | json_object_string_add( | |
1209 | json_mac, "remoteVtep", | |
1210 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1211 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
29611019 | 1212 | json_object_string_add(json_mac, "type", "auto"); |
b6938a74 | 1213 | |
24cdbd0d DS |
1214 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
1215 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
ead40654 | 1216 | |
24cdbd0d DS |
1217 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
1218 | json_object_boolean_true_add(json_mac, | |
1219 | "defaultGateway"); | |
ead40654 | 1220 | |
24cdbd0d DS |
1221 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
1222 | json_object_boolean_true_add(json_mac, | |
1223 | "remoteGatewayMac"); | |
51f4dab4 | 1224 | |
24cdbd0d DS |
1225 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
1226 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
f07e1c99 | 1227 | |
87454e6b CS |
1228 | json_object_int_add(json_mac, "detectionCount", mac->dad_count); |
1229 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1230 | json_object_boolean_true_add(json_mac, "isDuplicate"); | |
1231 | else | |
1232 | json_object_boolean_false_add(json_mac, "isDuplicate"); | |
1233 | ||
24cdbd0d DS |
1234 | /* print all the associated neigh */ |
1235 | if (!listcount(mac->neigh_list)) | |
1236 | json_object_string_add(json_mac, "neighbors", "none"); | |
1237 | else { | |
1238 | json_object *json_active_nbrs = json_object_new_array(); | |
1239 | json_object *json_inactive_nbrs = | |
1240 | json_object_new_array(); | |
1241 | json_object *json_nbrs = json_object_new_object(); | |
1242 | ||
1243 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1244 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
1245 | json_object_array_add( | |
1246 | json_active_nbrs, | |
1247 | json_object_new_string( | |
1248 | ipaddr2str( | |
1249 | &n->ip, buf2, | |
1250 | sizeof(buf2)))); | |
1251 | else | |
1252 | json_object_array_add( | |
1253 | json_inactive_nbrs, | |
1254 | json_object_new_string( | |
1255 | ipaddr2str( | |
1256 | &n->ip, buf2, | |
1257 | sizeof(buf2)))); | |
1258 | } | |
1259 | ||
1260 | json_object_object_add(json_nbrs, "active", | |
1261 | json_active_nbrs); | |
1262 | json_object_object_add(json_nbrs, "inactive", | |
1263 | json_inactive_nbrs); | |
1264 | json_object_object_add(json_mac, "neighbors", | |
1265 | json_nbrs); | |
b6938a74 | 1266 | } |
b6938a74 | 1267 | |
24cdbd0d | 1268 | json_object_object_add(json, buf1, json_mac); |
24cdbd0d DS |
1269 | } else { |
1270 | vty_out(vty, "MAC: %s\n", buf1); | |
1271 | ||
1272 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1273 | struct zebra_ns *zns; | |
1274 | struct interface *ifp; | |
1275 | ifindex_t ifindex; | |
1276 | ||
1277 | ifindex = mac->fwd_info.local.ifindex; | |
1278 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1279 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1280 | if (!ifp) | |
1281 | return; | |
1282 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
1283 | if (mac->fwd_info.local.vid) | |
1284 | vty_out(vty, " VLAN: %u", | |
1285 | mac->fwd_info.local.vid); | |
1286 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1287 | vty_out(vty, " Remote VTEP: %s", | |
1288 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1289 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
1290 | vty_out(vty, " Auto Mac "); | |
1291 | } | |
1292 | ||
1293 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
1294 | vty_out(vty, " Sticky Mac "); | |
1295 | ||
1296 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
1297 | vty_out(vty, " Default-gateway Mac "); | |
1298 | ||
1299 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
1300 | vty_out(vty, " Remote-gateway Mac "); | |
1301 | ||
1302 | vty_out(vty, "\n"); | |
1303 | vty_out(vty, " Local Seq: %u Remote Seq: %u", mac->loc_seq, | |
1304 | mac->rem_seq); | |
1305 | vty_out(vty, "\n"); | |
1306 | ||
87454e6b CS |
1307 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { |
1308 | vty_out(vty, " Duplicate, detected at %s", | |
1309 | time_to_string(mac->dad_dup_detect_time)); | |
1310 | } else if (mac->dad_count) { | |
1311 | monotime_since(&mac->detect_start_time, | |
1312 | &detect_start_time); | |
1313 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
37a04040 CS |
1314 | char *buf = time_to_string( |
1315 | mac->detect_start_time.tv_sec); | |
87454e6b CS |
1316 | char tmp_buf[30]; |
1317 | ||
138a4965 | 1318 | strlcpy(tmp_buf, buf, sizeof(tmp_buf)); |
87454e6b CS |
1319 | vty_out(vty, |
1320 | " Duplicate detection started at %s, detection count %u\n", | |
1321 | tmp_buf, mac->dad_count); | |
1322 | } | |
1323 | } | |
1324 | ||
24cdbd0d DS |
1325 | /* print all the associated neigh */ |
1326 | vty_out(vty, " Neighbors:\n"); | |
1327 | if (!listcount(mac->neigh_list)) | |
1328 | vty_out(vty, " No Neighbors\n"); | |
1329 | else { | |
1330 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1331 | vty_out(vty, " %s %s\n", | |
1332 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
1333 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
1334 | ? "Active" | |
1335 | : "Inactive")); | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | vty_out(vty, "\n"); | |
1340 | } | |
cec2e17d | 1341 | } |
1342 | ||
1343 | /* | |
1344 | * Print MAC hash entry - called for display of all MACs. | |
1345 | */ | |
e3b78da8 | 1346 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 1347 | { |
1348 | struct vty *vty; | |
cd233079 | 1349 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 1350 | zebra_mac_t *mac; |
138a4965 | 1351 | char buf1[ETHER_ADDR_STRLEN]; |
d62a17ae | 1352 | struct mac_walk_ctx *wctx = ctxt; |
1353 | ||
1354 | vty = wctx->vty; | |
cd233079 | 1355 | json_mac_hdr = wctx->json; |
e3b78da8 | 1356 | mac = (zebra_mac_t *)bucket->data; |
d62a17ae | 1357 | |
1358 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
1359 | |
1360 | if (json_mac_hdr) | |
1361 | json_mac = json_object_new_object(); | |
1362 | ||
1a8c5c38 | 1363 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 1364 | struct zebra_ns *zns; |
1365 | ifindex_t ifindex; | |
1366 | struct interface *ifp; | |
1367 | vlanid_t vid; | |
1368 | ||
1a8c5c38 | 1369 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
1370 | return; | |
1371 | ||
d62a17ae | 1372 | zns = zebra_ns_lookup(NS_DEFAULT); |
1373 | ifindex = mac->fwd_info.local.ifindex; | |
1374 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1375 | if (!ifp) // unexpected | |
1376 | return; | |
1377 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
1378 | if (json_mac_hdr == NULL) |
1379 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
1380 | ifp->name); | |
1381 | else { | |
1382 | json_object_string_add(json_mac, "type", "local"); | |
1383 | json_object_string_add(json_mac, "intf", ifp->name); | |
1384 | } | |
1385 | if (vid) { | |
1386 | if (json_mac_hdr == NULL) | |
1387 | vty_out(vty, " %-5u", vid); | |
1388 | else | |
1389 | json_object_int_add(json_mac, "vlan", vid); | |
1390 | } | |
1a8c5c38 | 1391 | if (json_mac_hdr == NULL) { |
cd233079 | 1392 | vty_out(vty, "\n"); |
1a8c5c38 | 1393 | } else { |
1394 | json_object_int_add(json_mac, "localSequence", | |
1395 | mac->loc_seq); | |
1396 | json_object_int_add(json_mac, "remoteSequence", | |
1397 | mac->rem_seq); | |
87454e6b CS |
1398 | json_object_int_add(json_mac, "detectionCount", |
1399 | mac->dad_count); | |
1400 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1401 | json_object_boolean_true_add(json_mac, | |
1402 | "isDuplicate"); | |
1403 | else | |
1404 | json_object_boolean_false_add(json_mac, | |
1405 | "isDuplicate"); | |
cd233079 | 1406 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 1407 | } |
1408 | ||
d62a17ae | 1409 | wctx->count++; |
1a8c5c38 | 1410 | |
b6938a74 | 1411 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 1412 | |
1413 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1414 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
1415 | &wctx->r_vtep_ip)) | |
1416 | return; | |
1417 | ||
1418 | if (json_mac_hdr == NULL) { | |
1419 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1420 | (wctx->count == 0)) { | |
1421 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
1422 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
1423 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 1424 | } |
1a8c5c38 | 1425 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
1426 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 1427 | } else { |
1a8c5c38 | 1428 | json_object_string_add(json_mac, "type", "remote"); |
1429 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 1430 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 1431 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1432 | json_object_int_add(json_mac, "localSequence", | |
1433 | mac->loc_seq); | |
1434 | json_object_int_add(json_mac, "remoteSequence", | |
1435 | mac->rem_seq); | |
87454e6b CS |
1436 | json_object_int_add(json_mac, "detectionCount", |
1437 | mac->dad_count); | |
1438 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1439 | json_object_boolean_true_add(json_mac, | |
1440 | "isDuplicate"); | |
1441 | else | |
1442 | json_object_boolean_false_add(json_mac, | |
1443 | "isDuplicate"); | |
1444 | ||
d62a17ae | 1445 | } |
1a8c5c38 | 1446 | |
1447 | wctx->count++; | |
d62a17ae | 1448 | } |
cec2e17d | 1449 | } |
1450 | ||
1374d4db | 1451 | /* Print Duplicate MAC */ |
e3b78da8 | 1452 | static void zvni_print_dad_mac_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
1453 | { |
1454 | zebra_mac_t *mac; | |
1455 | ||
e3b78da8 | 1456 | mac = (zebra_mac_t *)bucket->data; |
1374d4db CS |
1457 | if (!mac) |
1458 | return; | |
1459 | ||
1460 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1461 | zvni_print_mac_hash(bucket, ctxt); |
1374d4db CS |
1462 | } |
1463 | ||
cffe7580 NS |
1464 | /* |
1465 | * Print MAC hash entry in detail - called for display of all MACs. | |
1466 | */ | |
e3b78da8 | 1467 | static void zvni_print_mac_hash_detail(struct hash_bucket *bucket, void *ctxt) |
cffe7580 NS |
1468 | { |
1469 | struct vty *vty; | |
1470 | json_object *json_mac_hdr = NULL; | |
1471 | zebra_mac_t *mac; | |
1472 | struct mac_walk_ctx *wctx = ctxt; | |
138a4965 | 1473 | char buf1[ETHER_ADDR_STRLEN]; |
cffe7580 NS |
1474 | |
1475 | vty = wctx->vty; | |
1476 | json_mac_hdr = wctx->json; | |
e3b78da8 | 1477 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1478 | if (!mac) |
1479 | return; | |
1480 | ||
1481 | wctx->count++; | |
1482 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
1483 | ||
1484 | zvni_print_mac(mac, vty, json_mac_hdr); | |
1485 | } | |
1486 | ||
1487 | /* Print Duplicate MAC in detail */ | |
e3b78da8 | 1488 | static void zvni_print_dad_mac_hash_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1489 | void *ctxt) |
1490 | { | |
1491 | zebra_mac_t *mac; | |
1492 | ||
e3b78da8 | 1493 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1494 | if (!mac) |
1495 | return; | |
1496 | ||
1497 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1498 | zvni_print_mac_hash_detail(bucket, ctxt); |
cffe7580 NS |
1499 | } |
1500 | ||
cec2e17d | 1501 | /* |
1502 | * Print MACs for all VNI. | |
1503 | */ | |
e3b78da8 | 1504 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 1505 | { |
d62a17ae | 1506 | struct vty *vty; |
cd233079 CS |
1507 | json_object *json = NULL, *json_vni = NULL; |
1508 | json_object *json_mac = NULL; | |
d62a17ae | 1509 | zebra_vni_t *zvni; |
d7c0a89a | 1510 | uint32_t num_macs; |
d62a17ae | 1511 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 1512 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 1513 | |
d62a17ae | 1514 | vty = (struct vty *)wctx->vty; |
cd233079 | 1515 | json = (struct json_object *)wctx->json; |
cec2e17d | 1516 | |
e3b78da8 | 1517 | zvni = (zebra_vni_t *)bucket->data; |
d62a17ae | 1518 | wctx->zvni = zvni; |
cec2e17d | 1519 | |
d62a17ae | 1520 | /*We are iterating over a new VNI, set the count to 0*/ |
1521 | wctx->count = 0; | |
cec2e17d | 1522 | |
790f8dc5 | 1523 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1524 | if (!num_macs) |
1525 | return; | |
cd233079 | 1526 | |
1374d4db CS |
1527 | if (wctx->print_dup) |
1528 | num_macs = num_dup_detected_macs(zvni); | |
1529 | ||
cd233079 CS |
1530 | if (json) { |
1531 | json_vni = json_object_new_object(); | |
1532 | json_mac = json_object_new_object(); | |
1533 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 1534 | } |
cec2e17d | 1535 | |
cd233079 CS |
1536 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
1537 | if (json == NULL) { | |
1538 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1539 | zvni->vni, num_macs); | |
1540 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
1541 | "Intf/Remote VTEP", "VLAN"); | |
1542 | } else | |
1543 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1544 | } | |
1374d4db CS |
1545 | |
1546 | if (!num_macs) { | |
1547 | if (json) { | |
1548 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1549 | json_object_object_add(json, vni_str, json_vni); | |
1550 | } | |
1551 | return; | |
1552 | } | |
1553 | ||
cd233079 CS |
1554 | /* assign per-vni to wctx->json object to fill macs |
1555 | * under the vni. Re-assign primary json object to fill | |
1556 | * next vni information. | |
1557 | */ | |
1558 | wctx->json = json_mac; | |
1374d4db CS |
1559 | if (wctx->print_dup) |
1560 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, wctx); | |
1561 | else | |
1562 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); | |
cd233079 CS |
1563 | wctx->json = json; |
1564 | if (json) { | |
1565 | if (wctx->count) | |
1566 | json_object_object_add(json_vni, "macs", json_mac); | |
1567 | json_object_object_add(json, vni_str, json_vni); | |
1568 | } | |
cec2e17d | 1569 | } |
1570 | ||
cffe7580 NS |
1571 | /* |
1572 | * Print MACs in detail for all VNI. | |
1573 | */ | |
e3b78da8 | 1574 | static void zvni_print_mac_hash_all_vni_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1575 | void *ctxt) |
1576 | { | |
1577 | struct vty *vty; | |
1578 | json_object *json = NULL, *json_vni = NULL; | |
1579 | json_object *json_mac = NULL; | |
1580 | zebra_vni_t *zvni; | |
1581 | uint32_t num_macs; | |
1582 | struct mac_walk_ctx *wctx = ctxt; | |
1583 | char vni_str[VNI_STR_LEN]; | |
1584 | ||
1585 | vty = (struct vty *)wctx->vty; | |
1586 | json = (struct json_object *)wctx->json; | |
1587 | ||
e3b78da8 | 1588 | zvni = (zebra_vni_t *)bucket->data; |
cffe7580 NS |
1589 | if (!zvni) { |
1590 | if (json) | |
1591 | vty_out(vty, "{}\n"); | |
1592 | return; | |
1593 | } | |
1594 | wctx->zvni = zvni; | |
1595 | ||
1596 | /*We are iterating over a new VNI, set the count to 0*/ | |
1597 | wctx->count = 0; | |
1598 | ||
1599 | num_macs = num_valid_macs(zvni); | |
1600 | if (!num_macs) | |
1601 | return; | |
1602 | ||
1603 | if (wctx->print_dup && (num_dup_detected_macs(zvni) == 0)) | |
1604 | return; | |
1605 | ||
1606 | if (json) { | |
1607 | json_vni = json_object_new_object(); | |
1608 | json_mac = json_object_new_object(); | |
1609 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1610 | } | |
1611 | ||
1612 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { | |
1613 | if (json == NULL) { | |
1614 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1615 | zvni->vni, num_macs); | |
1616 | } else | |
1617 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1618 | } | |
1619 | /* assign per-vni to wctx->json object to fill macs | |
1620 | * under the vni. Re-assign primary json object to fill | |
1621 | * next vni information. | |
1622 | */ | |
1623 | wctx->json = json_mac; | |
1624 | if (wctx->print_dup) | |
1625 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash_detail, | |
1626 | wctx); | |
1627 | else | |
1628 | hash_iterate(zvni->mac_table, zvni_print_mac_hash_detail, wctx); | |
1629 | wctx->json = json; | |
1630 | if (json) { | |
1631 | if (wctx->count) | |
1632 | json_object_object_add(json_vni, "macs", json_mac); | |
1633 | json_object_object_add(json, vni_str, json_vni); | |
1634 | } | |
1635 | } | |
1636 | ||
e3b78da8 | 1637 | static void zl3vni_print_nh_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1638 | { |
1639 | struct nh_walk_ctx *wctx = NULL; | |
1640 | struct vty *vty = NULL; | |
32798965 | 1641 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
1642 | struct json_object *json_nh = NULL; |
1643 | zebra_neigh_t *n = NULL; | |
1644 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 1645 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1646 | |
1647 | wctx = (struct nh_walk_ctx *)ctx; | |
1648 | vty = wctx->vty; | |
32798965 MK |
1649 | json_vni = wctx->json; |
1650 | if (json_vni) | |
b7cfce93 | 1651 | json_nh = json_object_new_object(); |
e3b78da8 | 1652 | n = (zebra_neigh_t *)bucket->data; |
b7cfce93 | 1653 | |
32798965 | 1654 | if (!json_vni) { |
4cce389e | 1655 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 1656 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 1657 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 1658 | } else { |
4cce389e | 1659 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 1660 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
1661 | json_object_string_add( |
1662 | json_nh, "routerMac", | |
1663 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
1664 | json_object_object_add(json_vni, |
1665 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
1666 | json_nh); | |
b7cfce93 MK |
1667 | } |
1668 | } | |
1669 | ||
e3b78da8 | 1670 | static void zl3vni_print_nh_hash_all_vni(struct hash_bucket *bucket, |
32798965 | 1671 | void **args) |
2dbad57f | 1672 | { |
1673 | struct vty *vty = NULL; | |
1674 | json_object *json = NULL; | |
1675 | json_object *json_vni = NULL; | |
2dbad57f | 1676 | zebra_l3vni_t *zl3vni = NULL; |
1677 | uint32_t num_nh = 0; | |
32798965 | 1678 | struct nh_walk_ctx wctx; |
2dbad57f | 1679 | char vni_str[VNI_STR_LEN]; |
1680 | ||
32798965 MK |
1681 | vty = (struct vty *)args[0]; |
1682 | json = (struct json_object *)args[1]; | |
2dbad57f | 1683 | |
e3b78da8 | 1684 | zl3vni = (zebra_l3vni_t *)bucket->data; |
2dbad57f | 1685 | |
1686 | num_nh = hashcount(zl3vni->nh_table); | |
1687 | if (!num_nh) | |
1688 | return; | |
1689 | ||
1690 | if (json) { | |
1691 | json_vni = json_object_new_object(); | |
2dbad57f | 1692 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1693 | } | |
1694 | ||
1695 | if (json == NULL) { | |
996c9314 | 1696 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 1697 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 1698 | } else |
4cce389e | 1699 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 1700 | |
32798965 MK |
1701 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
1702 | wctx.vty = vty; | |
1703 | wctx.json = json_vni; | |
1704 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
1705 | if (json) | |
2dbad57f | 1706 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 1707 | } |
1708 | ||
e3b78da8 | 1709 | static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket *bucket, |
c0b4eaa4 | 1710 | void **args) |
b7cfce93 MK |
1711 | { |
1712 | struct vty *vty = NULL; | |
1713 | json_object *json = NULL; | |
1714 | json_object *json_vni = NULL; | |
b7cfce93 | 1715 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 1716 | uint32_t num_rmacs; |
c0b4eaa4 | 1717 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
1718 | char vni_str[VNI_STR_LEN]; |
1719 | ||
c0b4eaa4 MK |
1720 | vty = (struct vty *)args[0]; |
1721 | json = (struct json_object *)args[1]; | |
b7cfce93 | 1722 | |
e3b78da8 | 1723 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1724 | |
1725 | num_rmacs = hashcount(zl3vni->rmac_table); | |
1726 | if (!num_rmacs) | |
1727 | return; | |
1728 | ||
1729 | if (json) { | |
1730 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
1731 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1732 | } | |
1733 | ||
1734 | if (json == NULL) { | |
996c9314 | 1735 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 1736 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
1737 | } else |
1738 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
1739 | ||
1740 | /* assign per-vni to wctx->json object to fill macs | |
1741 | * under the vni. Re-assign primary json object to fill | |
1742 | * next vni information. | |
1743 | */ | |
c0b4eaa4 MK |
1744 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
1745 | wctx.vty = vty; | |
1746 | wctx.json = json_vni; | |
1747 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
1748 | if (json) | |
b7cfce93 | 1749 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1750 | } |
1751 | ||
e3b78da8 | 1752 | static void zl3vni_print_rmac_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1753 | { |
1754 | zebra_mac_t *zrmac = NULL; | |
1755 | struct rmac_walk_ctx *wctx = NULL; | |
1756 | struct vty *vty = NULL; | |
1757 | struct json_object *json = NULL; | |
1758 | struct json_object *json_rmac = NULL; | |
1759 | char buf[ETHER_ADDR_STRLEN]; | |
1760 | ||
1761 | wctx = (struct rmac_walk_ctx *)ctx; | |
1762 | vty = wctx->vty; | |
1763 | json = wctx->json; | |
1764 | if (json) | |
1765 | json_rmac = json_object_new_object(); | |
e3b78da8 | 1766 | zrmac = (zebra_mac_t *)bucket->data; |
b7cfce93 MK |
1767 | |
1768 | if (!json) { | |
4cce389e | 1769 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 1770 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 1771 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 1772 | } else { |
996c9314 LB |
1773 | json_object_string_add( |
1774 | json_rmac, "routerMac", | |
1775 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 1776 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 1777 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
1778 | json_object_object_add( |
1779 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
1780 | json_rmac); | |
b7cfce93 MK |
1781 | } |
1782 | } | |
1783 | ||
1784 | /* print a specific L3 VNI entry */ | |
1785 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
1786 | { | |
1787 | char buf[ETHER_ADDR_STRLEN]; | |
1788 | struct vty *vty = NULL; | |
1789 | json_object *json = NULL; | |
1790 | zebra_vni_t *zvni = NULL; | |
1791 | json_object *json_vni_list = NULL; | |
1792 | struct listnode *node = NULL, *nnode = NULL; | |
1793 | ||
1794 | vty = ctx[0]; | |
1795 | json = ctx[1]; | |
1796 | ||
1797 | if (!json) { | |
1798 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 1799 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 1800 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 1801 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 1802 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
1803 | vty_out(vty, " Vxlan-Intf: %s\n", |
1804 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
1805 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
1806 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 1807 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
1808 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
1809 | ? "prefix-routes-only" | |
1810 | : "none"); | |
4cce389e | 1811 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 1812 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 1813 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
1814 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
1815 | vty_out(vty, "%u ", zvni->vni); | |
1816 | vty_out(vty, "\n"); | |
1817 | } else { | |
1818 | json_vni_list = json_object_new_array(); | |
1819 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
1820 | json_object_string_add(json, "type", "L3"); |
1821 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 1822 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 1823 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 1824 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 1825 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 1826 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
1827 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
1828 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
1829 | json_object_string_add( | |
1830 | json, "routerMac", | |
1831 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1832 | json_object_string_add( | |
1833 | json, "vniFilter", | |
1834 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
1835 | ? "prefix-routes-only" | |
1836 | : "none"); | |
b7cfce93 MK |
1837 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
1838 | json_object_array_add(json_vni_list, | |
1839 | json_object_new_int(zvni->vni)); | |
1840 | } | |
4cce389e | 1841 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
1842 | } |
1843 | } | |
1844 | ||
cec2e17d | 1845 | /* |
1846 | * Print a specific VNI entry. | |
1847 | */ | |
cd233079 | 1848 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 1849 | { |
1850 | struct vty *vty; | |
1851 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1852 | uint32_t num_macs; |
1853 | uint32_t num_neigh; | |
cd233079 CS |
1854 | json_object *json = NULL; |
1855 | json_object *json_vtep_list = NULL; | |
1856 | json_object *json_ip_str = NULL; | |
d62a17ae | 1857 | |
cd233079 CS |
1858 | vty = ctxt[0]; |
1859 | json = ctxt[1]; | |
1860 | ||
b7cfce93 | 1861 | if (json == NULL) { |
cd233079 | 1862 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1863 | vty_out(vty, " Type: %s\n", "L2"); |
1864 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1865 | } else { |
cd233079 | 1866 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1867 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1868 | json_object_string_add(json, "vrf", |
1869 | vrf_id_to_name(zvni->vrf_id)); | |
1870 | } | |
d62a17ae | 1871 | |
d62a17ae | 1872 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1873 | if (json == NULL) |
1874 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1875 | return; |
1876 | } | |
790f8dc5 | 1877 | num_macs = num_valid_macs(zvni); |
cd233079 | 1878 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1879 | if (json == NULL) { |
996c9314 | 1880 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1881 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1882 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1883 | inet_ntoa(zvni->local_vtep_ip)); |
39c46ff1 AK |
1884 | vty_out(vty, " Mcast group: %s\n", |
1885 | inet_ntoa(zvni->mcast_grp)); | |
4cce389e | 1886 | } else { |
cd233079 CS |
1887 | json_object_string_add(json, "vxlanInterface", |
1888 | zvni->vxlan_if->name); | |
1889 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1890 | json_object_string_add(json, "vtepIp", | |
1891 | inet_ntoa(zvni->local_vtep_ip)); | |
39c46ff1 AK |
1892 | json_object_string_add(json, "mcastGroup", |
1893 | inet_ntoa(zvni->mcast_grp)); | |
ddd16ed5 MK |
1894 | json_object_string_add(json, "advertiseGatewayMacip", |
1895 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1896 | json_object_int_add(json, "numMacs", num_macs); |
1897 | json_object_int_add(json, "numArpNd", num_neigh); | |
1898 | } | |
d62a17ae | 1899 | if (!zvni->vteps) { |
cd233079 CS |
1900 | if (json == NULL) |
1901 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1902 | } else { |
cd233079 CS |
1903 | if (json == NULL) |
1904 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1905 | else | |
1906 | json_vtep_list = json_object_new_array(); | |
1907 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
9718c54e AK |
1908 | const char *flood_str = lookup_msg(zvtep_flood_str, |
1909 | zvtep->flood_control, | |
1910 | VXLAN_FLOOD_STR_DEFAULT); | |
1911 | ||
1912 | if (json == NULL) { | |
1913 | vty_out(vty, " %s flood: %s\n", | |
1914 | inet_ntoa(zvtep->vtep_ip), | |
1915 | flood_str); | |
1916 | } else { | |
cd233079 | 1917 | json_ip_str = json_object_new_string( |
9718c54e | 1918 | inet_ntoa(zvtep->vtep_ip)); |
cd233079 | 1919 | json_object_array_add(json_vtep_list, |
9718c54e | 1920 | json_ip_str); |
cd233079 CS |
1921 | } |
1922 | } | |
1923 | if (json) | |
1924 | json_object_object_add(json, "numRemoteVteps", | |
1925 | json_vtep_list); | |
1926 | } | |
1927 | if (json == NULL) { | |
1928 | vty_out(vty, | |
1929 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1930 | num_macs); | |
1931 | vty_out(vty, | |
1932 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1933 | "known for this VNI: %u\n", | |
1934 | num_neigh); | |
ddd16ed5 MK |
1935 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1936 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1937 | } |
cec2e17d | 1938 | } |
1939 | ||
b7cfce93 | 1940 | /* print a L3 VNI hash entry */ |
e3b78da8 | 1941 | static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[]) |
b7cfce93 | 1942 | { |
b7cfce93 MK |
1943 | struct vty *vty = NULL; |
1944 | json_object *json = NULL; | |
51d8de8f | 1945 | json_object *json_vni = NULL; |
b7cfce93 MK |
1946 | zebra_l3vni_t *zl3vni = NULL; |
1947 | ||
51d8de8f MK |
1948 | vty = (struct vty *)ctx[0]; |
1949 | json = (json_object *)ctx[1]; | |
b7cfce93 | 1950 | |
e3b78da8 | 1951 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1952 | |
1953 | if (!json) { | |
996c9314 LB |
1954 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1955 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1956 | hashcount(zl3vni->rmac_table), |
996c9314 | 1957 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1958 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1959 | } else { |
51d8de8f MK |
1960 | char vni_str[VNI_STR_LEN]; |
1961 | ||
1962 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1963 | json_vni = json_object_new_object(); | |
1964 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1965 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1966 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1967 | json_object_int_add(json_vni, "numMacs", |
1968 | hashcount(zl3vni->rmac_table)); | |
1969 | json_object_int_add(json_vni, "numArpNd", | |
1970 | hashcount(zl3vni->nh_table)); | |
1971 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1972 | json_object_string_add(json_vni, "type", "L3"); | |
1973 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1974 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1975 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1976 | } |
b7cfce93 MK |
1977 | } |
1978 | ||
09af6961 NS |
1979 | /* Private Structure to pass callback data for hash iterator */ |
1980 | struct zvni_evpn_show { | |
1981 | struct vty *vty; | |
1982 | json_object *json; | |
1983 | struct zebra_vrf *zvrf; | |
1984 | }; | |
1985 | ||
1986 | /* print a L3 VNI hash entry in detail*/ | |
e3b78da8 | 1987 | static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
1988 | { |
1989 | struct vty *vty = NULL; | |
1990 | zebra_l3vni_t *zl3vni = NULL; | |
1991 | json_object *json = NULL; | |
1992 | bool use_json = false; | |
1993 | struct zvni_evpn_show *zes = data; | |
1994 | ||
1995 | vty = zes->vty; | |
1996 | json = zes->json; | |
1997 | ||
1998 | if (json) | |
1999 | use_json = true; | |
2000 | ||
e3b78da8 | 2001 | zl3vni = (zebra_l3vni_t *)bucket->data; |
09af6961 NS |
2002 | |
2003 | zebra_vxlan_print_vni(vty, zes->zvrf, zl3vni->vni, use_json); | |
2004 | vty_out(vty, "\n"); | |
2005 | } | |
2006 | ||
2007 | ||
cec2e17d | 2008 | /* |
2009 | * Print a VNI hash entry - called for display of all VNIs. | |
2010 | */ | |
e3b78da8 | 2011 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]) |
cec2e17d | 2012 | { |
d62a17ae | 2013 | struct vty *vty; |
2014 | zebra_vni_t *zvni; | |
2015 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
2016 | uint32_t num_vteps = 0; |
2017 | uint32_t num_macs = 0; | |
2018 | uint32_t num_neigh = 0; | |
cd233079 CS |
2019 | json_object *json = NULL; |
2020 | json_object *json_vni = NULL; | |
2021 | json_object *json_ip_str = NULL; | |
2022 | json_object *json_vtep_list = NULL; | |
2023 | ||
2024 | vty = ctxt[0]; | |
2025 | json = ctxt[1]; | |
cec2e17d | 2026 | |
e3b78da8 | 2027 | zvni = (zebra_vni_t *)bucket->data; |
cec2e17d | 2028 | |
d62a17ae | 2029 | zvtep = zvni->vteps; |
2030 | while (zvtep) { | |
2031 | num_vteps++; | |
2032 | zvtep = zvtep->next; | |
2033 | } | |
cec2e17d | 2034 | |
790f8dc5 | 2035 | num_macs = num_valid_macs(zvni); |
d62a17ae | 2036 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 2037 | if (json == NULL) |
996c9314 | 2038 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 2039 | zvni->vni, "L2", |
cd233079 | 2040 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 2041 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 2042 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
2043 | else { |
2044 | char vni_str[VNI_STR_LEN]; | |
2045 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
2046 | json_vni = json_object_new_object(); | |
4cce389e MK |
2047 | json_object_int_add(json_vni, "vni", zvni->vni); |
2048 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
2049 | json_object_string_add(json_vni, "vxlanIf", |
2050 | zvni->vxlan_if ? zvni->vxlan_if->name | |
2051 | : "unknown"); | |
cd233079 CS |
2052 | json_object_int_add(json_vni, "numMacs", num_macs); |
2053 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
2054 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
2055 | json_object_string_add(json_vni, "tenantVrf", |
2056 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
2057 | if (num_vteps) { |
2058 | json_vtep_list = json_object_new_array(); | |
2059 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
2060 | json_ip_str = json_object_new_string( | |
2061 | inet_ntoa(zvtep->vtep_ip)); | |
2062 | json_object_array_add(json_vtep_list, | |
2063 | json_ip_str); | |
2064 | } | |
2065 | json_object_object_add(json_vni, "remoteVteps", | |
2066 | json_vtep_list); | |
2067 | } | |
2068 | json_object_object_add(json, vni_str, json_vni); | |
2069 | } | |
cec2e17d | 2070 | } |
2071 | ||
09af6961 NS |
2072 | /* |
2073 | * Print a VNI hash entry in detail - called for display of all VNIs. | |
2074 | */ | |
e3b78da8 | 2075 | static void zvni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
2076 | { |
2077 | struct vty *vty; | |
2078 | zebra_vni_t *zvni; | |
2079 | json_object *json = NULL; | |
2080 | bool use_json = false; | |
2081 | struct zvni_evpn_show *zes = data; | |
2082 | ||
2083 | vty = zes->vty; | |
2084 | json = zes->json; | |
2085 | ||
2086 | if (json) | |
2087 | use_json = true; | |
2088 | ||
e3b78da8 | 2089 | zvni = (zebra_vni_t *)bucket->data; |
09af6961 NS |
2090 | |
2091 | zebra_vxlan_print_vni(vty, zes->zvrf, zvni->vni, use_json); | |
2092 | vty_out(vty, "\n"); | |
2093 | } | |
2094 | ||
13d60d35 | 2095 | /* |
2232a77c | 2096 | * Inform BGP about local MACIP. |
2097 | */ | |
996c9314 | 2098 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2099 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 2100 | uint32_t seq, int state, uint16_t cmd) |
d62a17ae | 2101 | { |
d62a17ae | 2102 | char buf[ETHER_ADDR_STRLEN]; |
2103 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2104 | int ipa_len; |
2105 | struct zserv *client = NULL; | |
2106 | struct stream *s = NULL; | |
d62a17ae | 2107 | |
21ccc0cf | 2108 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2109 | /* BGP may not be running. */ |
2110 | if (!client) | |
2111 | return 0; | |
2112 | ||
1002497a | 2113 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2114 | |
43779a11 | 2115 | zclient_create_header(s, cmd, zebra_vrf_get_evpn_id()); |
d62a17ae | 2116 | stream_putl(s, vni); |
ff8b7eb8 | 2117 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 2118 | if (ip) { |
2119 | ipa_len = 0; | |
2120 | if (IS_IPADDR_V4(ip)) | |
2121 | ipa_len = IPV4_MAX_BYTELEN; | |
2122 | else if (IS_IPADDR_V6(ip)) | |
2123 | ipa_len = IPV6_MAX_BYTELEN; | |
2124 | ||
2125 | stream_putl(s, ipa_len); /* IP address length */ | |
2126 | if (ipa_len) | |
2127 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
2128 | } else | |
2129 | stream_putl(s, 0); /* Just MAC. */ | |
2130 | ||
f07e1c99 | 2131 | if (cmd == ZEBRA_MACIP_ADD) { |
2132 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
2133 | stream_putl(s, seq); /* sequence number */ | |
2c476b72 AK |
2134 | } else { |
2135 | stream_putl(s, state); /* state - active/inactive */ | |
f07e1c99 | 2136 | } |
d62a17ae | 2137 | |
b7cfce93 | 2138 | |
d62a17ae | 2139 | /* Write packet size. */ |
2140 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2141 | ||
2142 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 2143 | zlog_debug( |
f07e1c99 | 2144 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
2145 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
2146 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 2147 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 2148 | zebra_route_string(client->proto)); |
d62a17ae | 2149 | |
2150 | if (cmd == ZEBRA_MACIP_ADD) | |
2151 | client->macipadd_cnt++; | |
2152 | else | |
2153 | client->macipdel_cnt++; | |
2154 | ||
21ccc0cf | 2155 | return zserv_send_message(client, s); |
2232a77c | 2156 | } |
2157 | ||
2158 | /* | |
2159 | * Make hash key for neighbors. | |
13d60d35 | 2160 | */ |
d62a17ae | 2161 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 2162 | { |
d62a17ae | 2163 | zebra_neigh_t *n = p; |
2164 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 2165 | |
d62a17ae | 2166 | if (IS_IPADDR_V4(ip)) |
2167 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 2168 | |
d62a17ae | 2169 | return jhash2(ip->ipaddr_v6.s6_addr32, |
7e3a1ec7 | 2170 | array_size(ip->ipaddr_v6.s6_addr32), 0); |
13d60d35 | 2171 | } |
2172 | ||
2173 | /* | |
2232a77c | 2174 | * Compare two neighbor hash structures. |
13d60d35 | 2175 | */ |
74df8d6d | 2176 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 2177 | { |
d62a17ae | 2178 | const zebra_neigh_t *n1 = p1; |
2179 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 2180 | |
d62a17ae | 2181 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 2182 | return true; |
2232a77c | 2183 | |
d62a17ae | 2184 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 2185 | return false; |
2232a77c | 2186 | |
d62a17ae | 2187 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 2188 | } |
2189 | ||
27fa3398 DS |
2190 | static int neigh_list_cmp(void *p1, void *p2) |
2191 | { | |
2192 | const zebra_neigh_t *n1 = p1; | |
2193 | const zebra_neigh_t *n2 = p2; | |
2194 | ||
2195 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
2196 | } | |
2197 | ||
13d60d35 | 2198 | /* |
2232a77c | 2199 | * Callback to allocate neighbor hash entry. |
13d60d35 | 2200 | */ |
d62a17ae | 2201 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 2202 | { |
d62a17ae | 2203 | const zebra_neigh_t *tmp_n = p; |
2204 | zebra_neigh_t *n; | |
13d60d35 | 2205 | |
d62a17ae | 2206 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
2207 | *n = *tmp_n; | |
2232a77c | 2208 | |
d62a17ae | 2209 | return ((void *)n); |
13d60d35 | 2210 | } |
2211 | ||
2212 | /* | |
2232a77c | 2213 | * Add neighbor entry. |
13d60d35 | 2214 | */ |
b6938a74 MK |
2215 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
2216 | struct ethaddr *mac) | |
13d60d35 | 2217 | { |
d62a17ae | 2218 | zebra_neigh_t tmp_n; |
2219 | zebra_neigh_t *n = NULL; | |
b6938a74 | 2220 | zebra_mac_t *zmac = NULL; |
13d60d35 | 2221 | |
d62a17ae | 2222 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
2223 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
2224 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
2225 | assert(n); | |
13d60d35 | 2226 | |
b6938a74 MK |
2227 | memcpy(&n->emac, mac, ETH_ALEN); |
2228 | n->state = ZEBRA_NEIGH_INACTIVE; | |
d346c2e9 | 2229 | n->zvni = zvni; |
55328d8a | 2230 | n->dad_ip_auto_recovery_timer = NULL; |
b6938a74 MK |
2231 | |
2232 | /* Associate the neigh to mac */ | |
2233 | zmac = zvni_mac_lookup(zvni, mac); | |
2234 | if (zmac) | |
2235 | listnode_add_sort(zmac->neigh_list, n); | |
2236 | ||
d62a17ae | 2237 | return n; |
13d60d35 | 2238 | } |
2239 | ||
2240 | /* | |
2232a77c | 2241 | * Delete neighbor entry. |
13d60d35 | 2242 | */ |
d62a17ae | 2243 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 2244 | { |
d62a17ae | 2245 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
2246 | zebra_mac_t *zmac = NULL; |
2247 | ||
2248 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
2249 | if (zmac) | |
2250 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 2251 | |
55328d8a CS |
2252 | /* Cancel auto recovery */ |
2253 | THREAD_OFF(n->dad_ip_auto_recovery_timer); | |
2254 | ||
d62a17ae | 2255 | /* Free the VNI hash entry and allocated memory. */ |
2256 | tmp_n = hash_release(zvni->neigh_table, n); | |
0a22ddfb | 2257 | XFREE(MTYPE_NEIGH, tmp_n); |
13d60d35 | 2258 | |
d62a17ae | 2259 | return 0; |
13d60d35 | 2260 | } |
2261 | ||
2262 | /* | |
2232a77c | 2263 | * Free neighbor hash entry (callback) |
13d60d35 | 2264 | */ |
e3b78da8 | 2265 | static void zvni_neigh_del_hash_entry(struct hash_bucket *bucket, void *arg) |
13d60d35 | 2266 | { |
d62a17ae | 2267 | struct neigh_walk_ctx *wctx = arg; |
e3b78da8 | 2268 | zebra_neigh_t *n = bucket->data; |
2232a77c | 2269 | |
d62a17ae | 2270 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
2271 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
2272 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
2273 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
2274 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
2275 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
2276 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 2277 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
2c476b72 | 2278 | &n->emac, 0, n->state); |
13d60d35 | 2279 | |
d62a17ae | 2280 | if (wctx->uninstall) |
2281 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 2282 | |
b1599bb6 | 2283 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 2284 | } |
13d60d35 | 2285 | |
b1599bb6 | 2286 | return; |
13d60d35 | 2287 | } |
2288 | ||
2289 | /* | |
2232a77c | 2290 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 2291 | */ |
d62a17ae | 2292 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2293 | struct in_addr *r_vtep_ip) | |
13d60d35 | 2294 | { |
d62a17ae | 2295 | struct neigh_walk_ctx wctx; |
13d60d35 | 2296 | |
d62a17ae | 2297 | if (!zvni->neigh_table) |
2298 | return; | |
13d60d35 | 2299 | |
d62a17ae | 2300 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2301 | wctx.zvni = zvni; | |
2302 | wctx.uninstall = uninstall; | |
2303 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
2304 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 2305 | |
b1599bb6 | 2306 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 2307 | } |
13d60d35 | 2308 | |
2232a77c | 2309 | /* |
2310 | * Delete all neighbor entries for this VNI. | |
2311 | */ | |
996c9314 | 2312 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2313 | uint32_t flags) |
2232a77c | 2314 | { |
d62a17ae | 2315 | struct neigh_walk_ctx wctx; |
13d60d35 | 2316 | |
d62a17ae | 2317 | if (!zvni->neigh_table) |
2318 | return; | |
13d60d35 | 2319 | |
d62a17ae | 2320 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2321 | wctx.zvni = zvni; | |
d62a17ae | 2322 | wctx.uninstall = uninstall; |
2323 | wctx.upd_client = upd_client; | |
2324 | wctx.flags = flags; | |
2232a77c | 2325 | |
b1599bb6 | 2326 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 2327 | } |
2328 | ||
2329 | /* | |
2232a77c | 2330 | * Look up neighbor hash entry. |
2331 | */ | |
d62a17ae | 2332 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 2333 | { |
d62a17ae | 2334 | zebra_neigh_t tmp; |
2335 | zebra_neigh_t *n; | |
2232a77c | 2336 | |
d62a17ae | 2337 | memset(&tmp, 0, sizeof(tmp)); |
2338 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
2339 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 2340 | |
d62a17ae | 2341 | return n; |
2232a77c | 2342 | } |
2343 | ||
f07e1c99 | 2344 | /* |
2345 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
2346 | * locally or undergoing any other change (such as sequence number). | |
2347 | */ | |
2348 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
2349 | zebra_mac_t *zmac, | |
2350 | bool seq_change) | |
b6938a74 MK |
2351 | { |
2352 | zebra_neigh_t *n = NULL; | |
2353 | struct listnode *node = NULL; | |
c80a972c | 2354 | struct zebra_vrf *zvrf = NULL; |
b6938a74 | 2355 | char buf[ETHER_ADDR_STRLEN]; |
b6938a74 | 2356 | |
6005fe55 | 2357 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
c80a972c | 2358 | |
f07e1c99 | 2359 | if (IS_ZEBRA_DEBUG_VXLAN) |
2360 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
2361 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2362 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
2363 | ||
2364 | /* Walk all neighbors and mark any inactive local neighbors as | |
2365 | * active and/or update sequence number upon a move, and inform BGP. | |
2366 | * The action for remote neighbors is TBD. | |
2367 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
2368 | * accidentally end up deleting a just-learnt local neighbor. | |
2369 | */ | |
b6938a74 MK |
2370 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2371 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 2372 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 2373 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2374 | n->loc_seq = zmac->loc_seq; |
c80a972c CS |
2375 | if (!(zvrf->dup_addr_detect && |
2376 | zvrf->dad_freeze && !!CHECK_FLAG(n->flags, | |
2377 | ZEBRA_NEIGH_DUPLICATE))) | |
2378 | zvni_neigh_send_add_to_client( | |
2379 | zvni->vni, &n->ip, &n->emac, | |
2380 | n->flags, n->loc_seq); | |
b6938a74 | 2381 | } |
b6938a74 MK |
2382 | } |
2383 | } | |
2384 | } | |
2385 | ||
f07e1c99 | 2386 | /* |
2387 | * Process all neighbors associated with a local MAC upon the MAC being | |
2388 | * deleted. | |
2389 | */ | |
2853fed6 | 2390 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2391 | zebra_mac_t *zmac) |
2392 | { | |
2393 | zebra_neigh_t *n = NULL; | |
2394 | struct listnode *node = NULL; | |
2395 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2396 | |
f07e1c99 | 2397 | if (IS_ZEBRA_DEBUG_VXLAN) |
2398 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
2399 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2400 | zvni->vni); | |
2401 | ||
2402 | /* Walk all local neighbors and mark as inactive and inform | |
2403 | * BGP, if needed. | |
2404 | * TBD: There is currently no handling for remote neighbors. We | |
2405 | * don't expect them to exist, if they do, do we install the MAC | |
2406 | * as a remote MAC and the neighbor as remote? | |
2407 | */ | |
b6938a74 MK |
2408 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2409 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2410 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2411 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2412 | n->loc_seq = 0; |
996c9314 | 2413 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2414 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 | 2415 | } |
b6938a74 MK |
2416 | } |
2417 | } | |
2418 | } | |
2419 | ||
f07e1c99 | 2420 | /* |
2421 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
2422 | * learnt. | |
2423 | */ | |
2853fed6 | 2424 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
2425 | zebra_mac_t *zmac) |
2426 | { | |
2427 | zebra_neigh_t *n = NULL; | |
2428 | struct listnode *node = NULL; | |
2429 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2430 | |
f07e1c99 | 2431 | if (IS_ZEBRA_DEBUG_VXLAN) |
2432 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
2433 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2434 | zvni->vni); | |
2435 | ||
2436 | /* Walk all local neighbors and mark as inactive and inform | |
2437 | * BGP, if needed. | |
2438 | */ | |
b6938a74 MK |
2439 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2440 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2441 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2442 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2443 | n->loc_seq = 0; |
996c9314 | 2444 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2445 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 MK |
2446 | } |
2447 | } | |
2448 | } | |
2449 | } | |
2450 | ||
f07e1c99 | 2451 | /* |
2452 | * Process all neighbors associated with a remote MAC upon the MAC being | |
2453 | * deleted. | |
2454 | */ | |
2853fed6 | 2455 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2456 | zebra_mac_t *zmac) |
2457 | { | |
f07e1c99 | 2458 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
2459 | } |
2460 | ||
44bc8ae5 CS |
2461 | static void zvni_probe_neigh_on_mac_add(zebra_vni_t *zvni, zebra_mac_t *zmac) |
2462 | { | |
2463 | zebra_neigh_t *nbr = NULL; | |
2464 | struct listnode *node = NULL; | |
2465 | ||
2466 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, nbr)) { | |
2467 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) && | |
2468 | IS_ZEBRA_NEIGH_INACTIVE(nbr)) | |
2469 | zvni_neigh_probe(zvni, nbr); | |
2470 | } | |
2471 | } | |
2472 | ||
2232a77c | 2473 | /* |
2474 | * Inform BGP about local neighbor addition. | |
13d60d35 | 2475 | */ |
996c9314 | 2476 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 2477 | struct ethaddr *macaddr, |
f07e1c99 | 2478 | uint8_t neigh_flags, |
2479 | uint32_t seq) | |
13d60d35 | 2480 | { |
d7c0a89a | 2481 | uint8_t flags = 0; |
ead40654 MK |
2482 | |
2483 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
2484 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
2485 | /* Set router flag (R-bit) based on local neigh entry add */ |
2486 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
2487 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 2488 | |
2853fed6 | 2489 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2490 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 2491 | } |
13d60d35 | 2492 | |
2232a77c | 2493 | /* |
2494 | * Inform BGP about local neighbor deletion. | |
2495 | */ | |
996c9314 | 2496 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
2c476b72 AK |
2497 | struct ethaddr *macaddr, uint8_t flags, |
2498 | int state) | |
2232a77c | 2499 | { |
2853fed6 | 2500 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2501 | 0, state, ZEBRA_MACIP_DEL); |
2232a77c | 2502 | } |
2503 | ||
2504 | /* | |
2505 | * Install remote neighbor into the kernel. | |
2506 | */ | |
d62a17ae | 2507 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2508 | { |
d62a17ae | 2509 | struct zebra_if *zif; |
2510 | struct zebra_l2info_vxlan *vxl; | |
2511 | struct interface *vlan_if; | |
f7dae312 | 2512 | #ifdef GNU_LINUX |
68e33151 | 2513 | uint8_t flags; |
f7dae312 | 2514 | #endif |
68e33151 | 2515 | int ret = 0; |
2232a77c | 2516 | |
d62a17ae | 2517 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2518 | return 0; | |
13d60d35 | 2519 | |
d62a17ae | 2520 | zif = zvni->vxlan_if->info; |
2521 | if (!zif) | |
2522 | return -1; | |
2523 | vxl = &zif->l2info.vxl; | |
13d60d35 | 2524 | |
2853fed6 | 2525 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2526 | if (!vlan_if) |
2527 | return -1; | |
68e33151 CS |
2528 | #ifdef GNU_LINUX |
2529 | flags = NTF_EXT_LEARNED; | |
2530 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
2531 | flags |= NTF_ROUTER; | |
f07e1c99 | 2532 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
2533 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
2534 | #endif | |
2535 | return ret; | |
2232a77c | 2536 | } |
13d60d35 | 2537 | |
2232a77c | 2538 | /* |
2539 | * Uninstall remote neighbor from the kernel. | |
2540 | */ | |
d62a17ae | 2541 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2542 | { |
d62a17ae | 2543 | struct zebra_if *zif; |
2544 | struct zebra_l2info_vxlan *vxl; | |
2545 | struct interface *vlan_if; | |
13d60d35 | 2546 | |
d62a17ae | 2547 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2548 | return 0; | |
2232a77c | 2549 | |
d62a17ae | 2550 | if (!zvni->vxlan_if) { |
9df414fe QY |
2551 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2552 | zvni->vni, zvni); | |
d62a17ae | 2553 | return -1; |
2554 | } | |
2232a77c | 2555 | |
d62a17ae | 2556 | zif = zvni->vxlan_if->info; |
2557 | if (!zif) | |
2558 | return -1; | |
2559 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2560 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2561 | if (!vlan_if) |
2562 | return -1; | |
2232a77c | 2563 | |
f07e1c99 | 2564 | ZEBRA_NEIGH_SET_INACTIVE(n); |
2565 | n->loc_seq = 0; | |
d62a17ae | 2566 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 2567 | } |
2568 | ||
44bc8ae5 CS |
2569 | /* |
2570 | * Probe neighbor from the kernel. | |
2571 | */ | |
2572 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n) | |
2573 | { | |
2574 | struct zebra_if *zif; | |
2575 | struct zebra_l2info_vxlan *vxl; | |
2576 | struct interface *vlan_if; | |
2577 | ||
2578 | zif = zvni->vxlan_if->info; | |
2579 | if (!zif) | |
2580 | return -1; | |
2581 | vxl = &zif->l2info.vxl; | |
2582 | ||
2583 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
2584 | if (!vlan_if) | |
2585 | return -1; | |
2586 | ||
2587 | #ifdef GNU_LINUX | |
2588 | return kernel_upd_neigh(vlan_if, &n->ip, &n->emac, | |
2589 | 0, NUD_PROBE); | |
2590 | #else | |
2591 | return 0; | |
2592 | #endif | |
2593 | } | |
2594 | ||
13d60d35 | 2595 | /* |
2232a77c | 2596 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 2597 | */ |
e3b78da8 | 2598 | static void zvni_install_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
13d60d35 | 2599 | { |
d62a17ae | 2600 | zebra_neigh_t *n; |
2601 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 2602 | |
e3b78da8 | 2603 | n = (zebra_neigh_t *)bucket->data; |
13d60d35 | 2604 | |
d62a17ae | 2605 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
2606 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 2607 | } |
13d60d35 | 2608 | |
1a98c087 MK |
2609 | /* Get the VRR interface for SVI if any */ |
2610 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
2611 | { | |
2612 | struct zebra_vrf *zvrf = NULL; | |
2613 | struct interface *tmp_if = NULL; | |
2614 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
2615 | |
2616 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
2617 | assert(zvrf); | |
2618 | ||
451fda4f | 2619 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
2620 | zif = tmp_if->info; |
2621 | if (!zif) | |
2622 | continue; | |
2623 | ||
2624 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
2625 | continue; | |
2626 | ||
2627 | if (zif->link == ifp) | |
2628 | return tmp_if; | |
2629 | } | |
2630 | ||
2631 | return NULL; | |
2632 | } | |
2633 | ||
2634 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2635 | { | |
1a98c087 MK |
2636 | struct listnode *cnode = NULL, *cnnode = NULL; |
2637 | struct connected *c = NULL; | |
2638 | struct ethaddr macaddr; | |
2639 | ||
1a98c087 MK |
2640 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2641 | ||
2642 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2643 | struct ipaddr ip; | |
2644 | ||
2645 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2646 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2647 | continue; | |
2648 | ||
2649 | if (c->address->family == AF_INET) { | |
2650 | ip.ipa_type = IPADDR_V4; | |
2651 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2652 | sizeof(struct in_addr)); | |
2653 | } else if (c->address->family == AF_INET6) { | |
2654 | ip.ipa_type = IPADDR_V6; | |
2655 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2656 | sizeof(struct in6_addr)); | |
2657 | } else { | |
2658 | continue; | |
2659 | } | |
2660 | ||
2661 | zvni_gw_macip_del(ifp, zvni, &ip); | |
2662 | } | |
2663 | ||
2664 | return 0; | |
2665 | } | |
2666 | ||
2667 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2668 | { | |
1a98c087 MK |
2669 | struct listnode *cnode = NULL, *cnnode = NULL; |
2670 | struct connected *c = NULL; | |
2671 | struct ethaddr macaddr; | |
2672 | ||
1a98c087 MK |
2673 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2674 | ||
2675 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2676 | struct ipaddr ip; | |
2677 | ||
2678 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2679 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2680 | continue; | |
2681 | ||
2682 | if (c->address->family == AF_INET) { | |
2683 | ip.ipa_type = IPADDR_V4; | |
2684 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2685 | sizeof(struct in_addr)); | |
2686 | } else if (c->address->family == AF_INET6) { | |
2687 | ip.ipa_type = IPADDR_V6; | |
2688 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2689 | sizeof(struct in6_addr)); | |
2690 | } else { | |
2691 | continue; | |
2692 | } | |
2693 | ||
2694 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
2695 | } | |
31310b25 MK |
2696 | return 0; |
2697 | } | |
2698 | ||
2699 | ||
996c9314 | 2700 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
2701 | int advertise) |
2702 | { | |
2703 | struct listnode *cnode = NULL, *cnnode = NULL; | |
2704 | struct connected *c = NULL; | |
2705 | struct ethaddr macaddr; | |
2706 | ||
2707 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
2708 | ||
2709 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2710 | struct prefix p; | |
1a98c087 | 2711 | |
31310b25 MK |
2712 | memcpy(&p, c->address, sizeof(struct prefix)); |
2713 | ||
2714 | /* skip link local address */ | |
2715 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
2716 | continue; | |
2717 | ||
2718 | apply_mask(&p); | |
2719 | if (advertise) | |
2720 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 2721 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
2722 | else |
2723 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
2724 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
2725 | } | |
1a98c087 MK |
2726 | return 0; |
2727 | } | |
2728 | ||
2729 | /* | |
2730 | * zvni_gw_macip_add_to_client | |
2731 | */ | |
2732 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
2733 | struct ethaddr *macaddr, struct ipaddr *ip) | |
2734 | { | |
1a98c087 MK |
2735 | char buf[ETHER_ADDR_STRLEN]; |
2736 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2737 | zebra_neigh_t *n = NULL; |
2738 | zebra_mac_t *mac = NULL; | |
2739 | struct zebra_if *zif = NULL; | |
2740 | struct zebra_l2info_vxlan *vxl = NULL; | |
2741 | ||
1a98c087 MK |
2742 | zif = zvni->vxlan_if->info; |
2743 | if (!zif) | |
2744 | return -1; | |
2745 | ||
2746 | vxl = &zif->l2info.vxl; | |
2747 | ||
2748 | mac = zvni_mac_lookup(zvni, macaddr); | |
2749 | if (!mac) { | |
2750 | mac = zvni_mac_add(zvni, macaddr); | |
2751 | if (!mac) { | |
e914ccbe | 2752 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
2753 | "Failed to add MAC %s intf %s(%u) VID %u", |
2754 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2755 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
2756 | return -1; |
2757 | } | |
2758 | } | |
2759 | ||
2760 | /* Set "local" forwarding info. */ | |
2761 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2762 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 2763 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
2764 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
2765 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
2766 | mac->fwd_info.local.vid = vxl->access_vlan; | |
2767 | ||
2768 | n = zvni_neigh_lookup(zvni, ip); | |
2769 | if (!n) { | |
b6938a74 | 2770 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 2771 | if (!n) { |
af4c2728 | 2772 | flog_err( |
e914ccbe | 2773 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 2774 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2775 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 2776 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
2777 | ifp->name, ifp->ifindex, zvni->vni); |
2778 | return -1; | |
2779 | } | |
2780 | } | |
2781 | ||
2782 | /* Set "local" forwarding info. */ | |
2783 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 2784 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 2785 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
2786 | /* Set Router flag (R-bit) */ |
2787 | if (ip->ipa_type == IPADDR_V6) | |
2788 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
2789 | memcpy(&n->emac, macaddr, ETH_ALEN); |
2790 | n->ifindex = ifp->ifindex; | |
2791 | ||
ead40654 MK |
2792 | /* Only advertise in BGP if the knob is enabled */ |
2793 | if (!advertise_gw_macip_enabled(zvni)) | |
2794 | return 0; | |
2795 | ||
1a98c087 MK |
2796 | if (IS_ZEBRA_DEBUG_VXLAN) |
2797 | zlog_debug( | |
68e33151 | 2798 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 2799 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 2800 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 2801 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 2802 | |
f07e1c99 | 2803 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2804 | n->flags, n->loc_seq); | |
1a98c087 MK |
2805 | |
2806 | return 0; | |
2807 | } | |
2808 | ||
2809 | /* | |
2810 | * zvni_gw_macip_del_from_client | |
2811 | */ | |
2812 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
2813 | struct ipaddr *ip) | |
2814 | { | |
0af35d90 | 2815 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 2816 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
2817 | zebra_neigh_t *n = NULL; |
2818 | zebra_mac_t *mac = NULL; | |
2819 | ||
1a98c087 MK |
2820 | /* If the neigh entry is not present nothing to do*/ |
2821 | n = zvni_neigh_lookup(zvni, ip); | |
2822 | if (!n) | |
2823 | return 0; | |
2824 | ||
2825 | /* mac entry should be present */ | |
2826 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 2827 | if (!mac) { |
0437e105 | 2828 | zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u", |
9df414fe QY |
2829 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
2830 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
2831 | return -1; |
2832 | } | |
1a98c087 MK |
2833 | |
2834 | /* If the entry is not local nothing to do*/ | |
2835 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
2836 | return -1; | |
2837 | ||
ead40654 | 2838 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 2839 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2840 | zlog_debug( |
2841 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
2842 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 2843 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 2844 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
2845 | |
2846 | /* Remove neighbor from BGP. */ | |
2847 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
2c476b72 | 2848 | ZEBRA_MACIP_TYPE_GW, ZEBRA_NEIGH_ACTIVE); |
1a98c087 MK |
2849 | |
2850 | /* Delete this neighbor entry. */ | |
2851 | zvni_neigh_del(zvni, n); | |
2852 | ||
2853 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 2854 | if (mac) |
fe697c6b | 2855 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
2856 | |
2857 | return 0; | |
2858 | } | |
2859 | ||
e3b78da8 | 2860 | static void zvni_gw_macip_del_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2861 | void *ctxt) |
1a98c087 MK |
2862 | { |
2863 | zebra_vni_t *zvni = NULL; | |
2864 | struct zebra_if *zif = NULL; | |
2865 | struct zebra_l2info_vxlan zl2_info; | |
2866 | struct interface *vlan_if = NULL; | |
2867 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2868 | struct interface *ifp; |
1a98c087 MK |
2869 | |
2870 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2871 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2872 | |
b5ebdc9b | 2873 | ifp = zvni->vxlan_if; |
2874 | if (!ifp) | |
2875 | return; | |
2876 | zif = ifp->info; | |
2877 | ||
2878 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2879 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2880 | return; |
2881 | ||
1a98c087 MK |
2882 | zl2_info = zif->l2info.vxl; |
2883 | ||
996c9314 LB |
2884 | vlan_if = |
2885 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2886 | if (!vlan_if) |
2887 | return; | |
2888 | ||
2889 | /* Del primary MAC-IP */ | |
2890 | zvni_del_macip_for_intf(vlan_if, zvni); | |
2891 | ||
2892 | /* Del VRR MAC-IP - if any*/ | |
2893 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2894 | if (vrr_if) | |
2895 | zvni_del_macip_for_intf(vrr_if, zvni); | |
2896 | ||
2897 | return; | |
2898 | } | |
2899 | ||
e3b78da8 | 2900 | static void zvni_gw_macip_add_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2901 | void *ctxt) |
1a98c087 MK |
2902 | { |
2903 | zebra_vni_t *zvni = NULL; | |
2904 | struct zebra_if *zif = NULL; | |
2905 | struct zebra_l2info_vxlan zl2_info; | |
2906 | struct interface *vlan_if = NULL; | |
2907 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2908 | struct interface *ifp = NULL; |
1a98c087 | 2909 | |
e3b78da8 | 2910 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2911 | |
b5ebdc9b | 2912 | ifp = zvni->vxlan_if; |
2913 | if (!ifp) | |
2914 | return; | |
2915 | zif = ifp->info; | |
2916 | ||
2917 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2918 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2919 | return; |
1a98c087 MK |
2920 | zl2_info = zif->l2info.vxl; |
2921 | ||
996c9314 LB |
2922 | vlan_if = |
2923 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2924 | if (!vlan_if) |
2925 | return; | |
2926 | ||
1a98c087 MK |
2927 | /* Add primary SVI MAC-IP */ |
2928 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2929 | ||
278e26de CS |
2930 | if (advertise_gw_macip_enabled(zvni)) { |
2931 | /* Add VRR MAC-IP - if any*/ | |
2932 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2933 | if (vrr_if) | |
2934 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2935 | } | |
2936 | ||
2937 | return; | |
2938 | } | |
2939 | ||
e3b78da8 | 2940 | static void zvni_svi_macip_del_for_vni_hash(struct hash_bucket *bucket, |
278e26de CS |
2941 | void *ctxt) |
2942 | { | |
2943 | zebra_vni_t *zvni = NULL; | |
2944 | struct zebra_if *zif = NULL; | |
2945 | struct zebra_l2info_vxlan zl2_info; | |
2946 | struct interface *vlan_if = NULL; | |
2947 | struct interface *ifp; | |
2948 | ||
2949 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2950 | zvni = (zebra_vni_t *)bucket->data; |
278e26de CS |
2951 | if (!zvni) |
2952 | return; | |
2953 | ||
2954 | ifp = zvni->vxlan_if; | |
2955 | if (!ifp) | |
2956 | return; | |
2957 | zif = ifp->info; | |
2958 | ||
2959 | /* If down or not mapped to a bridge, we're done. */ | |
2960 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
2961 | return; | |
2962 | ||
2963 | zl2_info = zif->l2info.vxl; | |
2964 | ||
2965 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
2966 | zif->brslave_info.br_if); | |
2967 | if (!vlan_if) | |
2968 | return; | |
2969 | ||
2970 | /* Del primary MAC-IP */ | |
2971 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1a98c087 MK |
2972 | |
2973 | return; | |
2974 | } | |
2975 | ||
ee69da27 MK |
2976 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
2977 | struct interface *ifp, | |
2978 | struct ipaddr *ip, | |
68e33151 | 2979 | struct ethaddr *macaddr, |
a37f4598 | 2980 | bool is_router) |
ee69da27 MK |
2981 | { |
2982 | char buf[ETHER_ADDR_STRLEN]; | |
2983 | char buf2[INET6_ADDRSTRLEN]; | |
e22a946a | 2984 | struct zebra_vrf *zvrf; |
ee69da27 MK |
2985 | zebra_neigh_t *n = NULL; |
2986 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 2987 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
2988 | bool upd_mac_seq = false; | |
2989 | bool neigh_mac_change = false; | |
e22a946a CS |
2990 | bool neigh_on_hold = false; |
2991 | bool neigh_was_remote = false; | |
7510e459 | 2992 | bool do_dad = false; |
e22a946a | 2993 | struct in_addr vtep_ip = {.s_addr = 0}; |
ee69da27 | 2994 | |
f07e1c99 | 2995 | /* Check if the MAC exists. */ |
ee69da27 MK |
2996 | zmac = zvni_mac_lookup(zvni, macaddr); |
2997 | if (!zmac) { | |
f07e1c99 | 2998 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
2999 | if (IS_ZEBRA_DEBUG_VXLAN) |
3000 | zlog_debug( | |
3001 | "AUTO MAC %s created for neigh %s on VNI %u", | |
3002 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3003 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
3004 | ||
3005 | zmac = zvni_mac_add(zvni, macaddr); | |
3006 | if (!zmac) { | |
9df414fe QY |
3007 | zlog_debug("Failed to add MAC %s VNI %u", |
3008 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3009 | zvni->vni); | |
ee69da27 MK |
3010 | return -1; |
3011 | } | |
3012 | ||
3013 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
3014 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
3015 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 3016 | } else { |
3017 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
3018 | /* | |
3019 | * We don't change the MAC to local upon a neighbor | |
3020 | * learn event, we wait for the explicit local MAC | |
3021 | * learn. However, we have to compute its sequence | |
3022 | * number in preparation for when it actually turns | |
3023 | * local. | |
3024 | */ | |
3025 | upd_mac_seq = true; | |
3026 | } | |
ee69da27 MK |
3027 | } |
3028 | ||
6005fe55 | 3029 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
3030 | if (!zvrf) { |
3031 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3032 | zlog_debug("\tUnable to find vrf for: %d", | |
3033 | zvni->vxlan_if->vrf_id); | |
e22a946a | 3034 | return -1; |
28bd0652 | 3035 | } |
e22a946a | 3036 | |
f07e1c99 | 3037 | /* Check if the neighbor exists. */ |
ee69da27 | 3038 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 3039 | if (!n) { |
3040 | /* New neighbor - create */ | |
3041 | n = zvni_neigh_add(zvni, ip, macaddr); | |
3042 | if (!n) { | |
3043 | flog_err( | |
e914ccbe | 3044 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 3045 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
3046 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
3047 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3048 | ifp->name, ifp->ifindex, zvni->vni); | |
3049 | return -1; | |
3050 | } | |
3051 | /* Set "local" forwarding info. */ | |
3052 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3053 | n->ifindex = ifp->ifindex; | |
3054 | } else { | |
ee69da27 | 3055 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 3056 | bool mac_different; |
3057 | bool cur_is_router; | |
3058 | ||
3059 | /* Note any changes and see if of interest to BGP. */ | |
3060 | mac_different = (memcmp(n->emac.octet, | |
3061 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
3062 | cur_is_router = !!CHECK_FLAG(n->flags, | |
3063 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3064 | if (!mac_different && is_router == cur_is_router) { | |
28bd0652 DS |
3065 | if (IS_ZEBRA_DEBUG_VXLAN) |
3066 | zlog_debug( | |
3067 | "\tIgnoring entry mac is the same and is_router == cur_is_router"); | |
ee69da27 | 3068 | n->ifindex = ifp->ifindex; |
66e37987 | 3069 | return 0; |
3070 | } | |
ee69da27 | 3071 | |
66e37987 | 3072 | if (!mac_different) { |
e22a946a CS |
3073 | bool is_neigh_freezed = false; |
3074 | ||
66e37987 | 3075 | /* Only the router flag has changed. */ |
3076 | if (is_router) | |
3077 | SET_FLAG(n->flags, | |
3078 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3079 | else | |
3080 | UNSET_FLAG(n->flags, | |
3081 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 3082 | |
e22a946a CS |
3083 | /* Neigh is in freeze state and freeze action |
3084 | * is enabled, do not send update to client. | |
3085 | */ | |
3086 | is_neigh_freezed = (zvrf->dup_addr_detect && | |
3087 | zvrf->dad_freeze && | |
3088 | CHECK_FLAG(n->flags, | |
3089 | ZEBRA_NEIGH_DUPLICATE)); | |
3090 | ||
3091 | if (IS_ZEBRA_NEIGH_ACTIVE(n) && | |
3092 | !is_neigh_freezed) | |
66e37987 | 3093 | return zvni_neigh_send_add_to_client( |
3094 | zvni->vni, ip, macaddr, | |
3095 | n->flags, n->loc_seq); | |
28bd0652 DS |
3096 | else { |
3097 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3098 | zlog_debug( | |
3099 | "\tNeighbor active and frozen"); | |
3100 | } | |
66e37987 | 3101 | return 0; |
3102 | } | |
3103 | ||
3104 | /* The MAC has changed, need to issue a delete | |
3105 | * first as this means a different MACIP route. | |
3106 | * Also, need to do some unlinking/relinking. | |
3107 | * We also need to update the MAC's sequence number | |
3108 | * in different situations. | |
3109 | */ | |
3110 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
3111 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2c476b72 | 3112 | &n->emac, 0, n->state); |
66e37987 | 3113 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
3114 | if (old_zmac) { | |
3115 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
3116 | ZEBRA_MAC_REMOTE) ? | |
3117 | old_zmac->rem_seq : old_zmac->loc_seq; | |
3118 | neigh_mac_change = upd_mac_seq = true; | |
3119 | listnode_delete(old_zmac->neigh_list, n); | |
3120 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 3121 | } |
ee69da27 | 3122 | |
66e37987 | 3123 | /* Update the forwarding info. */ |
3124 | n->ifindex = ifp->ifindex; | |
3125 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3126 | ||
3127 | /* Link to new MAC */ | |
3128 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 3129 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
3130 | /* | |
3131 | * Neighbor has moved from remote to local. Its | |
3132 | * MAC could have also changed as part of the move. | |
3133 | */ | |
ee69da27 MK |
3134 | if (memcmp(n->emac.octet, macaddr->octet, |
3135 | ETH_ALEN) != 0) { | |
3136 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
3137 | if (old_zmac) { | |
9df2b997 | 3138 | old_mac_seq = CHECK_FLAG( |
3139 | old_zmac->flags, | |
3140 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 3141 | old_zmac->rem_seq : |
3142 | old_zmac->loc_seq; | |
3143 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
3144 | listnode_delete(old_zmac->neigh_list, |
3145 | n); | |
fe697c6b | 3146 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
3147 | } |
3148 | ||
3149 | /* Link to new MAC */ | |
3150 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3151 | listnode_add_sort(zmac->neigh_list, n); | |
3152 | } | |
e22a946a CS |
3153 | /* Based on Mobility event Scenario-B from the |
3154 | * draft, neigh's previous state was remote treat this | |
3155 | * event for DAD. | |
3156 | */ | |
3157 | neigh_was_remote = true; | |
3158 | vtep_ip = n->r_vtep_ip; | |
ee69da27 MK |
3159 | /* Mark appropriately */ |
3160 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
3161 | n->r_vtep_ip.s_addr = 0; | |
3162 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3163 | n->ifindex = ifp->ifindex; | |
3164 | } | |
f07e1c99 | 3165 | } |
3166 | ||
3167 | /* If MAC was previously remote, or the neighbor had a different | |
3168 | * MAC earlier, recompute the sequence number. | |
3169 | */ | |
3170 | if (upd_mac_seq) { | |
3171 | uint32_t seq1, seq2; | |
3172 | ||
3173 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
3174 | zmac->rem_seq + 1 : zmac->loc_seq; | |
3175 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
3176 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
3177 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
3178 | } |
3179 | ||
e22a946a | 3180 | /* Mark Router flag (R-bit) */ |
a37f4598 | 3181 | if (is_router) |
54c17425 CS |
3182 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
3183 | else | |
3184 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
3185 | ||
e22a946a CS |
3186 | /* Check old and/or new MAC detected as duplicate mark |
3187 | * the neigh as duplicate | |
3188 | */ | |
3189 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_zmac, zmac, n)) { | |
3190 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
3191 | "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC", | |
3192 | zvni->vni, | |
3193 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3194 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
3195 | } | |
3196 | ||
7510e459 CS |
3197 | /* For IP Duplicate Address Detection (DAD) is trigger, |
3198 | * when the event is extended mobility based on scenario-B | |
3199 | * from the draft, IP/Neigh's MAC binding changed and | |
3200 | * neigh's previous state was remote. | |
e22a946a | 3201 | */ |
7510e459 CS |
3202 | if (neigh_mac_change && neigh_was_remote) |
3203 | do_dad = true; | |
e22a946a | 3204 | |
7510e459 CS |
3205 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, vtep_ip, do_dad, |
3206 | &neigh_on_hold, true); | |
c80a972c | 3207 | |
ee69da27 | 3208 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 3209 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
3210 | */ |
3211 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 3212 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 3213 | n->loc_seq = 0; |
3214 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
3215 | return 0; |
3216 | } | |
3217 | ||
f07e1c99 | 3218 | /* If the MAC's sequence number has changed, inform the MAC and all |
3219 | * neighbors associated with the MAC to BGP, else just inform this | |
3220 | * neighbor. | |
3221 | */ | |
3222 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 3223 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 3224 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
3225 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3226 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
3227 | zmac->loc_seq = mac_new_seq; | |
3228 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
3229 | zmac->flags, zmac->loc_seq)) | |
3230 | return -1; | |
3231 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
3232 | return 0; |
3233 | } | |
3234 | ||
f07e1c99 | 3235 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 3236 | |
c34e362b CS |
3237 | if (!neigh_on_hold) { |
3238 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
3239 | ||
e22a946a | 3240 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
f07e1c99 | 3241 | n->flags, n->loc_seq); |
c34e362b | 3242 | } else { |
28bd0652 DS |
3243 | if (IS_ZEBRA_DEBUG_VXLAN) |
3244 | zlog_debug("\tNeighbor on hold not sending"); | |
3245 | } | |
e22a946a | 3246 | return 0; |
ee69da27 MK |
3247 | } |
3248 | ||
3249 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
3250 | struct interface *ifp, | |
3251 | struct ipaddr *ip, | |
3252 | struct ethaddr *macaddr, | |
3253 | uint16_t state) | |
3254 | { | |
3255 | char buf[ETHER_ADDR_STRLEN]; | |
3256 | char buf2[INET6_ADDRSTRLEN]; | |
3257 | zebra_neigh_t *n = NULL; | |
3258 | zebra_mac_t *zmac = NULL; | |
3259 | ||
3260 | /* If the neighbor is unknown, there is no further action. */ | |
3261 | n = zvni_neigh_lookup(zvni, ip); | |
3262 | if (!n) | |
3263 | return 0; | |
3264 | ||
3265 | /* If a remote entry, see if it needs to be refreshed */ | |
3266 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 3267 | #ifdef GNU_LINUX |
ee69da27 MK |
3268 | if (state & NUD_STALE) |
3269 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 3270 | #endif |
ee69da27 MK |
3271 | } else { |
3272 | /* We got a "remote" neighbor notification for an entry | |
3273 | * we think is local. This can happen in a multihoming | |
3274 | * scenario - but only if the MAC is already "remote". | |
3275 | * Just mark our entry as "remote". | |
3276 | */ | |
3277 | zmac = zvni_mac_lookup(zvni, macaddr); | |
3278 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 3279 | zlog_debug( |
43e52561 QY |
3280 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
3281 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
3282 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3283 | zvni->vni); | |
ee69da27 MK |
3284 | return -1; |
3285 | } | |
3286 | ||
3287 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3288 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4fd5ea4b | 3289 | ZEBRA_NEIGH_SET_ACTIVE(n); |
ee69da27 MK |
3290 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; |
3291 | } | |
3292 | ||
3293 | return 0; | |
3294 | } | |
3295 | ||
2232a77c | 3296 | /* |
3297 | * Make hash key for MAC. | |
3298 | */ | |
d62a17ae | 3299 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 3300 | { |
d62a17ae | 3301 | zebra_mac_t *pmac = p; |
25331def DS |
3302 | const void *pnt = (void *)pmac->macaddr.octet; |
3303 | ||
ff8b7eb8 | 3304 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 3305 | } |
13d60d35 | 3306 | |
2232a77c | 3307 | /* |
3308 | * Compare two MAC addresses. | |
3309 | */ | |
74df8d6d | 3310 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 3311 | { |
d62a17ae | 3312 | const zebra_mac_t *pmac1 = p1; |
3313 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 3314 | |
d62a17ae | 3315 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 3316 | return true; |
2232a77c | 3317 | |
d62a17ae | 3318 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 3319 | return false; |
2232a77c | 3320 | |
996c9314 | 3321 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 3322 | == 0); |
2232a77c | 3323 | } |
3324 | ||
3325 | /* | |
3326 | * Callback to allocate MAC hash entry. | |
3327 | */ | |
d62a17ae | 3328 | static void *zvni_mac_alloc(void *p) |
2232a77c | 3329 | { |
d62a17ae | 3330 | const zebra_mac_t *tmp_mac = p; |
3331 | zebra_mac_t *mac; | |
2232a77c | 3332 | |
d62a17ae | 3333 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3334 | *mac = *tmp_mac; | |
2232a77c | 3335 | |
d62a17ae | 3336 | return ((void *)mac); |
2232a77c | 3337 | } |
3338 | ||
3339 | /* | |
3340 | * Add MAC entry. | |
3341 | */ | |
d62a17ae | 3342 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 3343 | { |
d62a17ae | 3344 | zebra_mac_t tmp_mac; |
3345 | zebra_mac_t *mac = NULL; | |
2232a77c | 3346 | |
d62a17ae | 3347 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 3348 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 3349 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
3350 | assert(mac); | |
2232a77c | 3351 | |
55328d8a CS |
3352 | mac->zvni = zvni; |
3353 | mac->dad_mac_auto_recovery_timer = NULL; | |
3354 | ||
b6938a74 | 3355 | mac->neigh_list = list_new(); |
27fa3398 | 3356 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 3357 | |
d62a17ae | 3358 | return mac; |
2232a77c | 3359 | } |
3360 | ||
3361 | /* | |
3362 | * Delete MAC entry. | |
3363 | */ | |
d62a17ae | 3364 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3365 | { |
d62a17ae | 3366 | zebra_mac_t *tmp_mac; |
2232a77c | 3367 | |
55328d8a CS |
3368 | /* Cancel auto recovery */ |
3369 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
3370 | ||
6a154c88 | 3371 | list_delete(&mac->neigh_list); |
b6938a74 | 3372 | |
d62a17ae | 3373 | /* Free the VNI hash entry and allocated memory. */ |
3374 | tmp_mac = hash_release(zvni->mac_table, mac); | |
0a22ddfb | 3375 | XFREE(MTYPE_MAC, tmp_mac); |
2232a77c | 3376 | |
d62a17ae | 3377 | return 0; |
2232a77c | 3378 | } |
3379 | ||
3380 | /* | |
3381 | * Free MAC hash entry (callback) | |
3382 | */ | |
e3b78da8 | 3383 | static void zvni_mac_del_hash_entry(struct hash_bucket *bucket, void *arg) |
2232a77c | 3384 | { |
d62a17ae | 3385 | struct mac_walk_ctx *wctx = arg; |
e3b78da8 | 3386 | zebra_mac_t *mac = bucket->data; |
2232a77c | 3387 | |
d62a17ae | 3388 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
3389 | || ((wctx->flags & DEL_REMOTE_MAC) | |
3390 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
3391 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
3392 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
3393 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
3394 | &wctx->r_vtep_ip))) { | |
3395 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 | 3396 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
e98e4b88 | 3397 | &mac->macaddr); |
d62a17ae | 3398 | } |
2232a77c | 3399 | |
d62a17ae | 3400 | if (wctx->uninstall) |
d63c1b18 | 3401 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 3402 | |
b1599bb6 | 3403 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 3404 | } |
2232a77c | 3405 | |
b1599bb6 | 3406 | return; |
2232a77c | 3407 | } |
3408 | ||
3409 | /* | |
3410 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
3411 | */ | |
d62a17ae | 3412 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
3413 | struct in_addr *r_vtep_ip) | |
2232a77c | 3414 | { |
d62a17ae | 3415 | struct mac_walk_ctx wctx; |
2232a77c | 3416 | |
d62a17ae | 3417 | if (!zvni->mac_table) |
3418 | return; | |
2232a77c | 3419 | |
d62a17ae | 3420 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3421 | wctx.zvni = zvni; | |
3422 | wctx.uninstall = uninstall; | |
3423 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
3424 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 3425 | |
b1599bb6 | 3426 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3427 | } |
3428 | ||
3429 | /* | |
3430 | * Delete all MAC entries for this VNI. | |
3431 | */ | |
996c9314 | 3432 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 3433 | uint32_t flags) |
2232a77c | 3434 | { |
d62a17ae | 3435 | struct mac_walk_ctx wctx; |
2232a77c | 3436 | |
d62a17ae | 3437 | if (!zvni->mac_table) |
3438 | return; | |
2232a77c | 3439 | |
d62a17ae | 3440 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3441 | wctx.zvni = zvni; | |
d62a17ae | 3442 | wctx.uninstall = uninstall; |
3443 | wctx.upd_client = upd_client; | |
3444 | wctx.flags = flags; | |
2232a77c | 3445 | |
b1599bb6 | 3446 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3447 | } |
3448 | ||
3449 | /* | |
3450 | * Look up MAC hash entry. | |
3451 | */ | |
d62a17ae | 3452 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 3453 | { |
d62a17ae | 3454 | zebra_mac_t tmp; |
3455 | zebra_mac_t *pmac; | |
2232a77c | 3456 | |
d62a17ae | 3457 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 3458 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 3459 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 3460 | |
d62a17ae | 3461 | return pmac; |
2232a77c | 3462 | } |
3463 | ||
3464 | /* | |
3465 | * Inform BGP about local MAC addition. | |
3466 | */ | |
996c9314 | 3467 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 3468 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 3469 | { |
d7c0a89a | 3470 | uint8_t flags = 0; |
ead40654 MK |
3471 | |
3472 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
3473 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
3474 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
3475 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
3476 | ||
2853fed6 | 3477 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
2c476b72 | 3478 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 3479 | } |
3480 | ||
3481 | /* | |
3482 | * Inform BGP about local MAC deletion. | |
3483 | */ | |
e98e4b88 | 3484 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr) |
2232a77c | 3485 | { |
e98e4b88 | 3486 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, 0 /* flags */, |
2c476b72 | 3487 | 0 /* seq */, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_DEL); |
2232a77c | 3488 | } |
3489 | ||
3490 | /* | |
3491 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 3492 | * notifications, to see if they are of interest. |
2232a77c | 3493 | */ |
d62a17ae | 3494 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
3495 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 3496 | { |
2853fed6 | 3497 | struct zebra_ns *zns; |
3498 | struct route_node *rn; | |
3499 | struct interface *tmp_if = NULL; | |
d62a17ae | 3500 | struct zebra_if *zif; |
3501 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3502 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3503 | uint8_t bridge_vlan_aware; |
d62a17ae | 3504 | zebra_vni_t *zvni; |
2853fed6 | 3505 | int found = 0; |
2232a77c | 3506 | |
d62a17ae | 3507 | /* Determine if bridge is VLAN-aware or not */ |
3508 | zif = br_if->info; | |
3509 | assert(zif); | |
3510 | br = &zif->l2info.br; | |
3511 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 3512 | |
d62a17ae | 3513 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
3514 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3515 | zns = zebra_ns_lookup(NS_DEFAULT); |
3516 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3517 | tmp_if = (struct interface *)rn->info; | |
3518 | if (!tmp_if) | |
3519 | continue; | |
d62a17ae | 3520 | zif = tmp_if->info; |
3521 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3522 | continue; | |
3523 | if (!if_is_operative(tmp_if)) | |
3524 | continue; | |
3525 | vxl = &zif->l2info.vxl; | |
2232a77c | 3526 | |
d62a17ae | 3527 | if (zif->brslave_info.br_if != br_if) |
3528 | continue; | |
2232a77c | 3529 | |
2853fed6 | 3530 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3531 | found = 1; | |
d62a17ae | 3532 | break; |
2853fed6 | 3533 | } |
d62a17ae | 3534 | } |
2232a77c | 3535 | |
2853fed6 | 3536 | if (!found) |
d62a17ae | 3537 | return NULL; |
2232a77c | 3538 | |
2853fed6 | 3539 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3540 | return zvni; |
2232a77c | 3541 | } |
3542 | ||
3543 | /* | |
3544 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3545 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 3546 | */ |
b7cfce93 MK |
3547 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
3548 | struct interface *br_if) | |
d62a17ae | 3549 | { |
2853fed6 | 3550 | struct zebra_ns *zns; |
3551 | struct route_node *rn; | |
3552 | struct interface *tmp_if = NULL; | |
d62a17ae | 3553 | struct zebra_if *zif; |
3554 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3555 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3556 | uint8_t bridge_vlan_aware; |
d62a17ae | 3557 | vlanid_t vid = 0; |
3558 | zebra_vni_t *zvni; | |
2853fed6 | 3559 | int found = 0; |
d62a17ae | 3560 | |
71349e03 MK |
3561 | if (!br_if) |
3562 | return NULL; | |
3563 | ||
d62a17ae | 3564 | /* Make sure the linked interface is a bridge. */ |
3565 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3566 | return NULL; | |
3567 | ||
d62a17ae | 3568 | /* Determine if bridge is VLAN-aware or not */ |
3569 | zif = br_if->info; | |
3570 | assert(zif); | |
3571 | br = &zif->l2info.br; | |
3572 | bridge_vlan_aware = br->vlan_aware; | |
3573 | if (bridge_vlan_aware) { | |
3574 | struct zebra_l2info_vlan *vl; | |
3575 | ||
3576 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3577 | return NULL; | |
3578 | ||
3579 | zif = ifp->info; | |
3580 | assert(zif); | |
3581 | vl = &zif->l2info.vl; | |
3582 | vid = vl->vid; | |
3583 | } | |
3584 | ||
3585 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3586 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3587 | zns = zebra_ns_lookup(NS_DEFAULT); |
3588 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3589 | tmp_if = (struct interface *)rn->info; | |
3590 | if (!tmp_if) | |
3591 | continue; | |
d62a17ae | 3592 | zif = tmp_if->info; |
3593 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3594 | continue; | |
3595 | if (!if_is_operative(tmp_if)) | |
3596 | continue; | |
3597 | vxl = &zif->l2info.vxl; | |
3598 | ||
3599 | if (zif->brslave_info.br_if != br_if) | |
3600 | continue; | |
3601 | ||
2853fed6 | 3602 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3603 | found = 1; | |
d62a17ae | 3604 | break; |
2853fed6 | 3605 | } |
d62a17ae | 3606 | } |
3607 | ||
2853fed6 | 3608 | if (!found) |
d62a17ae | 3609 | return NULL; |
3610 | ||
2853fed6 | 3611 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3612 | return zvni; |
2232a77c | 3613 | } |
3614 | ||
3615 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
3616 | * of two cases: | |
3617 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
3618 | * linked to the bridge | |
3619 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
3620 | * itself | |
3621 | */ | |
2853fed6 | 3622 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 3623 | { |
2853fed6 | 3624 | struct zebra_ns *zns; |
3625 | struct route_node *rn; | |
3626 | struct interface *tmp_if = NULL; | |
d62a17ae | 3627 | struct zebra_if *zif; |
3628 | struct zebra_l2info_bridge *br; | |
3629 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 3630 | uint8_t bridge_vlan_aware; |
2853fed6 | 3631 | int found = 0; |
d62a17ae | 3632 | |
b5ebdc9b | 3633 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
3634 | if (!br_if) | |
3635 | return NULL; | |
3636 | ||
d62a17ae | 3637 | /* Determine if bridge is VLAN-aware or not */ |
3638 | zif = br_if->info; | |
3639 | assert(zif); | |
3640 | br = &zif->l2info.br; | |
3641 | bridge_vlan_aware = br->vlan_aware; | |
3642 | ||
3643 | /* Check oper status of the SVI. */ | |
3644 | if (!bridge_vlan_aware) | |
3645 | return if_is_operative(br_if) ? br_if : NULL; | |
3646 | ||
3647 | /* Identify corresponding VLAN interface. */ | |
3648 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3649 | zns = zebra_ns_lookup(NS_DEFAULT); |
3650 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3651 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 3652 | /* Check oper status of the SVI. */ |
2853fed6 | 3653 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 3654 | continue; |
3655 | zif = tmp_if->info; | |
3656 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
3657 | || zif->link != br_if) | |
3658 | continue; | |
3659 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
3660 | ||
2853fed6 | 3661 | if (vl->vid == vid) { |
3662 | found = 1; | |
d62a17ae | 3663 | break; |
2853fed6 | 3664 | } |
d62a17ae | 3665 | } |
3666 | ||
2853fed6 | 3667 | return found ? tmp_if : NULL; |
2232a77c | 3668 | } |
3669 | ||
3670 | /* | |
3671 | * Install remote MAC into the kernel. | |
3672 | */ | |
d62a17ae | 3673 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3674 | { |
d62a17ae | 3675 | struct zebra_if *zif; |
3676 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 3677 | bool sticky; |
2232a77c | 3678 | |
d62a17ae | 3679 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
3680 | return 0; | |
2232a77c | 3681 | |
d62a17ae | 3682 | zif = zvni->vxlan_if->info; |
3683 | if (!zif) | |
3684 | return -1; | |
3685 | vxl = &zif->l2info.vxl; | |
2232a77c | 3686 | |
a37f4598 | 3687 | sticky = !!CHECK_FLAG(mac->flags, |
3688 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 3689 | |
d62a17ae | 3690 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
3691 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 3692 | } |
3693 | ||
3694 | /* | |
d63c1b18 | 3695 | * Uninstall remote MAC from the kernel. |
2232a77c | 3696 | */ |
d63c1b18 | 3697 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3698 | { |
d62a17ae | 3699 | struct zebra_if *zif; |
3700 | struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 3701 | struct in_addr vtep_ip; |
d62a17ae | 3702 | struct interface *ifp; |
2232a77c | 3703 | |
d63c1b18 | 3704 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 3705 | return 0; |
2232a77c | 3706 | |
d62a17ae | 3707 | if (!zvni->vxlan_if) { |
9df414fe QY |
3708 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3709 | zvni->vni, zvni); | |
d62a17ae | 3710 | return -1; |
3711 | } | |
2232a77c | 3712 | |
d62a17ae | 3713 | zif = zvni->vxlan_if->info; |
3714 | if (!zif) | |
3715 | return -1; | |
3716 | vxl = &zif->l2info.vxl; | |
2232a77c | 3717 | |
d63c1b18 | 3718 | ifp = zvni->vxlan_if; |
3719 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 3720 | |
d63c1b18 | 3721 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 3722 | } |
3723 | ||
3724 | /* | |
3725 | * Install MAC hash entry - called upon access VLAN change. | |
3726 | */ | |
e3b78da8 | 3727 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt) |
2232a77c | 3728 | { |
d62a17ae | 3729 | zebra_mac_t *mac; |
3730 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 3731 | |
e3b78da8 | 3732 | mac = (zebra_mac_t *)bucket->data; |
2232a77c | 3733 | |
d62a17ae | 3734 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
3735 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 3736 | } |
3737 | ||
fe697c6b | 3738 | /* |
3739 | * Count of remote neighbors referencing this MAC. | |
3740 | */ | |
3741 | static int remote_neigh_count(zebra_mac_t *zmac) | |
3742 | { | |
3743 | zebra_neigh_t *n = NULL; | |
3744 | struct listnode *node = NULL; | |
3745 | int count = 0; | |
3746 | ||
3747 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
3748 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
3749 | count++; | |
3750 | } | |
3751 | ||
3752 | return count; | |
3753 | } | |
3754 | ||
2232a77c | 3755 | /* |
3756 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
3757 | * appropriate. | |
3758 | */ | |
fe697c6b | 3759 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3760 | { |
fe697c6b | 3761 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 3762 | return; |
2232a77c | 3763 | |
fe697c6b | 3764 | /* If all remote neighbors referencing a remote MAC go away, |
3765 | * we need to uninstall the MAC. | |
3766 | */ | |
3767 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
3768 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 3769 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 3770 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
3771 | } | |
2232a77c | 3772 | |
fe697c6b | 3773 | /* If no neighbors, delete the MAC. */ |
3774 | if (list_isempty(mac->neigh_list)) | |
3775 | zvni_mac_del(zvni, mac); | |
2232a77c | 3776 | } |
3777 | ||
3778 | /* | |
3779 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
3780 | */ | |
996c9314 | 3781 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 3782 | { |
2853fed6 | 3783 | struct zebra_ns *zns; |
d62a17ae | 3784 | struct zebra_if *zif; |
3785 | struct interface *vlan_if; | |
3786 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 3787 | struct interface *vrr_if; |
2232a77c | 3788 | |
d62a17ae | 3789 | zif = ifp->info; |
3790 | vxl = &zif->l2info.vxl; | |
2853fed6 | 3791 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 3792 | |
d62a17ae | 3793 | if (IS_ZEBRA_DEBUG_VXLAN) |
3794 | zlog_debug( | |
2853fed6 | 3795 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
3796 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 3797 | zif->brslave_info.bridge_ifindex); |
2232a77c | 3798 | |
2853fed6 | 3799 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
3800 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
3801 | if (vlan_if) { |
3802 | ||
ead40654 MK |
3803 | /* Add SVI MAC-IP */ |
3804 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 3805 | |
ead40654 MK |
3806 | /* Add VRR MAC-IP - if any*/ |
3807 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
3808 | if (vrr_if) | |
3809 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 3810 | |
2853fed6 | 3811 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 3812 | } |
2232a77c | 3813 | } |
3814 | ||
3815 | /* | |
3816 | * Hash function for VNI. | |
3817 | */ | |
d62a17ae | 3818 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 3819 | { |
d62a17ae | 3820 | const zebra_vni_t *zvni = p; |
2232a77c | 3821 | |
d62a17ae | 3822 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 3823 | } |
3824 | ||
3825 | /* | |
3826 | * Compare 2 VNI hash entries. | |
3827 | */ | |
74df8d6d | 3828 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 3829 | { |
d62a17ae | 3830 | const zebra_vni_t *zvni1 = p1; |
3831 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 3832 | |
d62a17ae | 3833 | return (zvni1->vni == zvni2->vni); |
2232a77c | 3834 | } |
3835 | ||
27fa3398 DS |
3836 | static int vni_list_cmp(void *p1, void *p2) |
3837 | { | |
3838 | const zebra_vni_t *zvni1 = p1; | |
3839 | const zebra_vni_t *zvni2 = p2; | |
3840 | ||
3841 | if (zvni1->vni == zvni2->vni) | |
3842 | return 0; | |
3843 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
3844 | } | |
3845 | ||
2232a77c | 3846 | /* |
3847 | * Callback to allocate VNI hash entry. | |
3848 | */ | |
d62a17ae | 3849 | static void *zvni_alloc(void *p) |
2232a77c | 3850 | { |
d62a17ae | 3851 | const zebra_vni_t *tmp_vni = p; |
3852 | zebra_vni_t *zvni; | |
2232a77c | 3853 | |
d62a17ae | 3854 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
3855 | zvni->vni = tmp_vni->vni; | |
3856 | return ((void *)zvni); | |
2232a77c | 3857 | } |
3858 | ||
3859 | /* | |
3860 | * Look up VNI hash entry. | |
3861 | */ | |
2853fed6 | 3862 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 3863 | { |
2853fed6 | 3864 | struct zebra_vrf *zvrf; |
d62a17ae | 3865 | zebra_vni_t tmp_vni; |
3866 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3867 | |
530db8dc | 3868 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3869 | assert(zvrf); |
d62a17ae | 3870 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
3871 | tmp_vni.vni = vni; | |
3872 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 3873 | |
d62a17ae | 3874 | return zvni; |
2232a77c | 3875 | } |
3876 | ||
3877 | /* | |
3878 | * Add VNI hash entry. | |
3879 | */ | |
2853fed6 | 3880 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 3881 | { |
2853fed6 | 3882 | struct zebra_vrf *zvrf; |
d62a17ae | 3883 | zebra_vni_t tmp_zvni; |
3884 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3885 | |
530db8dc | 3886 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3887 | assert(zvrf); |
d62a17ae | 3888 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
3889 | tmp_zvni.vni = vni; | |
3890 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
3891 | assert(zvni); | |
2232a77c | 3892 | |
d62a17ae | 3893 | /* Create hash table for MAC */ |
3894 | zvni->mac_table = | |
3895 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 3896 | |
d62a17ae | 3897 | /* Create hash table for neighbors */ |
3898 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
3899 | "Zebra VNI Neighbor Table"); | |
2232a77c | 3900 | |
d62a17ae | 3901 | return zvni; |
2232a77c | 3902 | } |
3903 | ||
3904 | /* | |
3905 | * Delete VNI hash entry. | |
3906 | */ | |
2853fed6 | 3907 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 3908 | { |
2853fed6 | 3909 | struct zebra_vrf *zvrf; |
d62a17ae | 3910 | zebra_vni_t *tmp_zvni; |
2232a77c | 3911 | |
530db8dc | 3912 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 3913 | assert(zvrf); |
3914 | ||
d62a17ae | 3915 | zvni->vxlan_if = NULL; |
2232a77c | 3916 | |
abfa0a96 AK |
3917 | /* Remove references to the BUM mcast grp */ |
3918 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, zvni->mcast_grp); | |
3919 | ||
d62a17ae | 3920 | /* Free the neighbor hash table. */ |
3921 | hash_free(zvni->neigh_table); | |
3922 | zvni->neigh_table = NULL; | |
2232a77c | 3923 | |
d62a17ae | 3924 | /* Free the MAC hash table. */ |
3925 | hash_free(zvni->mac_table); | |
3926 | zvni->mac_table = NULL; | |
2232a77c | 3927 | |
d62a17ae | 3928 | /* Free the VNI hash entry and allocated memory. */ |
3929 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
0a22ddfb | 3930 | XFREE(MTYPE_ZVNI, tmp_zvni); |
2232a77c | 3931 | |
d62a17ae | 3932 | return 0; |
2232a77c | 3933 | } |
3934 | ||
3935 | /* | |
3936 | * Inform BGP about local VNI addition. | |
3937 | */ | |
2853fed6 | 3938 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 3939 | { |
d62a17ae | 3940 | struct zserv *client; |
3941 | struct stream *s; | |
2232a77c | 3942 | |
21ccc0cf | 3943 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3944 | /* BGP may not be running. */ |
3945 | if (!client) | |
3946 | return 0; | |
2232a77c | 3947 | |
1002497a | 3948 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 3949 | |
43779a11 | 3950 | zclient_create_header(s, ZEBRA_VNI_ADD, zebra_vrf_get_evpn_id()); |
d62a17ae | 3951 | stream_putl(s, zvni->vni); |
3952 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 3953 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
39c46ff1 | 3954 | stream_put_in_addr(s, &zvni->mcast_grp); |
2232a77c | 3955 | |
d62a17ae | 3956 | /* Write packet size. */ |
3957 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3958 | |
d62a17ae | 3959 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3960 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
3961 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 3962 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 3963 | zebra_route_string(client->proto)); |
2232a77c | 3964 | |
d62a17ae | 3965 | client->vniadd_cnt++; |
21ccc0cf | 3966 | return zserv_send_message(client, s); |
2232a77c | 3967 | } |
3968 | ||
3969 | /* | |
3970 | * Inform BGP about local VNI deletion. | |
3971 | */ | |
2853fed6 | 3972 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 3973 | { |
d62a17ae | 3974 | struct zserv *client; |
3975 | struct stream *s; | |
2232a77c | 3976 | |
21ccc0cf | 3977 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3978 | /* BGP may not be running. */ |
3979 | if (!client) | |
3980 | return 0; | |
2232a77c | 3981 | |
1002497a | 3982 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 3983 | stream_reset(s); |
2232a77c | 3984 | |
43779a11 | 3985 | zclient_create_header(s, ZEBRA_VNI_DEL, zebra_vrf_get_evpn_id()); |
d62a17ae | 3986 | stream_putl(s, vni); |
2232a77c | 3987 | |
d62a17ae | 3988 | /* Write packet size. */ |
3989 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3990 | |
d62a17ae | 3991 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 3992 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 3993 | zebra_route_string(client->proto)); |
2232a77c | 3994 | |
d62a17ae | 3995 | client->vnidel_cnt++; |
21ccc0cf | 3996 | return zserv_send_message(client, s); |
2232a77c | 3997 | } |
3998 | ||
3999 | /* | |
4000 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
4001 | * is called when EVPN (advertise-all-vni) is enabled. | |
4002 | */ | |
4d762f26 | 4003 | static void zvni_build_hash_table(void) |
2232a77c | 4004 | { |
2853fed6 | 4005 | struct zebra_ns *zns; |
4006 | struct route_node *rn; | |
d62a17ae | 4007 | struct interface *ifp; |
2232a77c | 4008 | |
d62a17ae | 4009 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 4010 | zns = zebra_ns_lookup(NS_DEFAULT); |
4011 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 4012 | vni_t vni; |
643215ce | 4013 | zebra_vni_t *zvni = NULL; |
4014 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 4015 | struct zebra_if *zif; |
4016 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 4017 | |
2853fed6 | 4018 | ifp = (struct interface *)rn->info; |
4019 | if (!ifp) | |
4020 | continue; | |
d62a17ae | 4021 | zif = ifp->info; |
4022 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4023 | continue; | |
2232a77c | 4024 | |
b7cfce93 | 4025 | vxl = &zif->l2info.vxl; |
d62a17ae | 4026 | vni = vxl->vni; |
2232a77c | 4027 | |
643215ce | 4028 | /* L3-VNI and L2-VNI are handled seperately */ |
4029 | zl3vni = zl3vni_lookup(vni); | |
4030 | if (zl3vni) { | |
2232a77c | 4031 | |
b7cfce93 | 4032 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
4033 | zlog_debug( |
4034 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
4035 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 4036 | |
b7cfce93 | 4037 | /* associate with vxlan_if */ |
b67a60d2 | 4038 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 4039 | zl3vni->vxlan_if = ifp; |
2232a77c | 4040 | |
523cafc4 | 4041 | /* |
4042 | * we need to associate with SVI. | |
b7cfce93 | 4043 | * we can associate with svi-if only after association |
523cafc4 | 4044 | * with vxlan-intf is complete |
4045 | */ | |
b7cfce93 MK |
4046 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
4047 | ||
4048 | if (is_l3vni_oper_up(zl3vni)) | |
4049 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4050 | ||
4051 | } else { | |
b7cfce93 MK |
4052 | struct interface *vlan_if = NULL; |
4053 | ||
4054 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4055 | zlog_debug( | |
4056 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
4057 | ifp->name, ifp->ifindex, vni, | |
4058 | inet_ntoa(vxl->vtep_ip)); | |
4059 | ||
4060 | /* VNI hash entry is not expected to exist. */ | |
4061 | zvni = zvni_lookup(vni); | |
4062 | if (zvni) { | |
9df414fe | 4063 | zlog_debug( |
b7cfce93 MK |
4064 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
4065 | ifp->name, ifp->ifindex, vni); | |
4066 | continue; | |
4067 | } | |
4068 | ||
4069 | zvni = zvni_add(vni); | |
4070 | if (!zvni) { | |
9df414fe | 4071 | zlog_debug( |
b7cfce93 MK |
4072 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
4073 | ifp->name, ifp->ifindex, vni); | |
4074 | return; | |
4075 | } | |
4076 | ||
abfa0a96 AK |
4077 | if (zvni->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || |
4078 | zvni->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
4079 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, | |
4080 | zvni->mcast_grp); | |
4081 | zebra_vxlan_sg_ref(vxl->vtep_ip, | |
4082 | vxl->mcast_grp); | |
4083 | zvni->local_vtep_ip = vxl->vtep_ip; | |
4084 | zvni->mcast_grp = vxl->mcast_grp; | |
4085 | } | |
b7cfce93 MK |
4086 | zvni->vxlan_if = ifp; |
4087 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
4088 | zif->brslave_info.br_if); | |
4089 | if (vlan_if) { | |
4090 | zvni->vrf_id = vlan_if->vrf_id; | |
4091 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
4092 | if (zl3vni) | |
4093 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
4094 | } | |
4095 | ||
4096 | ||
4097 | /* Inform BGP if intf is up and mapped to bridge. */ | |
4098 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
4099 | zvni_send_add_to_client(zvni); | |
4100 | } | |
d62a17ae | 4101 | } |
2232a77c | 4102 | } |
4103 | ||
4104 | /* | |
4105 | * See if remote VTEP matches with prefix. | |
4106 | */ | |
d62a17ae | 4107 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 4108 | { |
d62a17ae | 4109 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 4110 | } |
4111 | ||
4112 | /* | |
4113 | * Locate remote VTEP in VNI hash table. | |
4114 | */ | |
d62a17ae | 4115 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4116 | { |
d62a17ae | 4117 | zebra_vtep_t *zvtep; |
2232a77c | 4118 | |
d62a17ae | 4119 | if (!zvni) |
4120 | return NULL; | |
2232a77c | 4121 | |
d62a17ae | 4122 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
4123 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
4124 | break; | |
4125 | } | |
2232a77c | 4126 | |
d62a17ae | 4127 | return zvtep; |
2232a77c | 4128 | } |
4129 | ||
4130 | /* | |
4131 | * Add remote VTEP to VNI hash table. | |
4132 | */ | |
9718c54e AK |
4133 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip, |
4134 | int flood_control) | |
4135 | ||
2232a77c | 4136 | { |
d62a17ae | 4137 | zebra_vtep_t *zvtep; |
2232a77c | 4138 | |
d62a17ae | 4139 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 4140 | |
d62a17ae | 4141 | zvtep->vtep_ip = *vtep_ip; |
9718c54e | 4142 | zvtep->flood_control = flood_control; |
2232a77c | 4143 | |
d62a17ae | 4144 | if (zvni->vteps) |
4145 | zvni->vteps->prev = zvtep; | |
4146 | zvtep->next = zvni->vteps; | |
4147 | zvni->vteps = zvtep; | |
2232a77c | 4148 | |
d62a17ae | 4149 | return zvtep; |
2232a77c | 4150 | } |
4151 | ||
4152 | /* | |
4153 | * Remove remote VTEP from VNI hash table. | |
4154 | */ | |
d62a17ae | 4155 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 4156 | { |
d62a17ae | 4157 | if (zvtep->next) |
4158 | zvtep->next->prev = zvtep->prev; | |
4159 | if (zvtep->prev) | |
4160 | zvtep->prev->next = zvtep->next; | |
4161 | else | |
4162 | zvni->vteps = zvtep->next; | |
2232a77c | 4163 | |
d62a17ae | 4164 | zvtep->prev = zvtep->next = NULL; |
4165 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 4166 | |
d62a17ae | 4167 | return 0; |
2232a77c | 4168 | } |
4169 | ||
4170 | /* | |
4171 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
4172 | * uninstall from kernel if asked to. | |
4173 | */ | |
d62a17ae | 4174 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 4175 | { |
d62a17ae | 4176 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 4177 | |
d62a17ae | 4178 | if (!zvni) |
4179 | return -1; | |
2232a77c | 4180 | |
d62a17ae | 4181 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
4182 | zvtep_next = zvtep->next; | |
4183 | if (uninstall) | |
4184 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4185 | zvni_vtep_del(zvni, zvtep); | |
4186 | } | |
2232a77c | 4187 | |
d62a17ae | 4188 | return 0; |
2232a77c | 4189 | } |
4190 | ||
4191 | /* | |
9718c54e AK |
4192 | * Install remote VTEP into the kernel if the remote VTEP has asked |
4193 | * for head-end-replication. | |
2232a77c | 4194 | */ |
9718c54e | 4195 | static int zvni_vtep_install(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 4196 | { |
9718c54e AK |
4197 | if (is_vxlan_flooding_head_end() && |
4198 | (zvtep->flood_control == VXLAN_FLOOD_HEAD_END_REPL)) | |
4199 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, | |
4200 | &zvtep->vtep_ip); | |
fbac9605 | 4201 | return 0; |
2232a77c | 4202 | } |
4203 | ||
4204 | /* | |
4205 | * Uninstall remote VTEP from the kernel. | |
4206 | */ | |
d62a17ae | 4207 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4208 | { |
d62a17ae | 4209 | if (!zvni->vxlan_if) { |
9df414fe QY |
4210 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
4211 | zvni->vni, zvni); | |
d62a17ae | 4212 | return -1; |
4213 | } | |
2232a77c | 4214 | |
d62a17ae | 4215 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 4216 | } |
4217 | ||
fbac9605 DS |
4218 | /* |
4219 | * Install or uninstall flood entries in the kernel corresponding to | |
4220 | * remote VTEPs. This is invoked upon change to BUM handling. | |
4221 | */ | |
e3b78da8 | 4222 | static void zvni_handle_flooding_remote_vteps(struct hash_bucket *bucket, |
fbac9605 DS |
4223 | void *zvrf) |
4224 | { | |
4225 | zebra_vni_t *zvni; | |
4226 | zebra_vtep_t *zvtep; | |
4227 | ||
e3b78da8 | 4228 | zvni = (zebra_vni_t *)bucket->data; |
fbac9605 DS |
4229 | if (!zvni) |
4230 | return; | |
4231 | ||
4232 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
4233 | if (is_vxlan_flooding_head_end()) | |
9718c54e | 4234 | zvni_vtep_install(zvni, zvtep); |
fbac9605 DS |
4235 | else |
4236 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4237 | } | |
4238 | } | |
4239 | ||
2232a77c | 4240 | /* |
4241 | * Cleanup VNI/VTEP and update kernel | |
4242 | */ | |
e3b78da8 | 4243 | static void zvni_cleanup_all(struct hash_bucket *bucket, void *arg) |
2232a77c | 4244 | { |
b7cfce93 MK |
4245 | zebra_vni_t *zvni = NULL; |
4246 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 4247 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 4248 | |
e3b78da8 | 4249 | zvni = (zebra_vni_t *)bucket->data; |
2232a77c | 4250 | |
b7cfce93 | 4251 | /* remove from l3-vni list */ |
84915b0a | 4252 | if (zvrf->l3vni) |
4253 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
4254 | if (zl3vni) |
4255 | listnode_delete(zl3vni->l2vnis, zvni); | |
4256 | ||
d62a17ae | 4257 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 4258 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
4259 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 4260 | |
d62a17ae | 4261 | /* Free up all remote VTEPs, if any. */ |
4262 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 4263 | |
d62a17ae | 4264 | /* Delete the hash entry. */ |
2853fed6 | 4265 | zvni_del(zvni); |
2232a77c | 4266 | } |
4267 | ||
655b04d1 | 4268 | /* cleanup L3VNI */ |
e3b78da8 | 4269 | static void zl3vni_cleanup_all(struct hash_bucket *bucket, void *args) |
655b04d1 MK |
4270 | { |
4271 | zebra_l3vni_t *zl3vni = NULL; | |
4272 | ||
e3b78da8 | 4273 | zl3vni = (zebra_l3vni_t *)bucket->data; |
655b04d1 MK |
4274 | |
4275 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4276 | } | |
4277 | ||
85442b09 | 4278 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 4279 | struct prefix *host) |
5e1b0650 DS |
4280 | { |
4281 | struct host_rb_entry lookup; | |
4282 | struct host_rb_entry *hle; | |
4283 | ||
4284 | memset(&lookup, 0, sizeof(lookup)); | |
4285 | memcpy(&lookup.p, host, sizeof(*host)); | |
4286 | ||
85442b09 | 4287 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
4288 | if (hle) |
4289 | return; | |
4290 | ||
4291 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
4292 | memcpy(hle, &lookup, sizeof(lookup)); | |
4293 | ||
85442b09 | 4294 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
4295 | } |
4296 | ||
85442b09 | 4297 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
4298 | { |
4299 | struct host_rb_entry lookup; | |
4300 | struct host_rb_entry *hle; | |
4301 | ||
4302 | memset(&lookup, 0, sizeof(lookup)); | |
4303 | memcpy(&lookup.p, host, sizeof(*host)); | |
4304 | ||
85442b09 | 4305 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 4306 | if (hle) { |
85442b09 | 4307 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
4308 | XFREE(MTYPE_HOST_PREFIX, hle); |
4309 | } | |
5e1b0650 DS |
4310 | |
4311 | return; | |
4312 | } | |
4313 | ||
b7cfce93 MK |
4314 | /* |
4315 | * Look up MAC hash entry. | |
4316 | */ | |
2dbad57f | 4317 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
4318 | struct ethaddr *rmac) |
4319 | { | |
4320 | zebra_mac_t tmp; | |
4321 | zebra_mac_t *pmac; | |
4322 | ||
4323 | memset(&tmp, 0, sizeof(tmp)); | |
4324 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
4325 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 4326 | |
b7cfce93 | 4327 | return pmac; |
2dbad57f | 4328 | } |
2232a77c | 4329 | |
cec2e17d | 4330 | /* |
b7cfce93 | 4331 | * Callback to allocate RMAC hash entry. |
cec2e17d | 4332 | */ |
2dbad57f | 4333 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 4334 | { |
b7cfce93 MK |
4335 | const zebra_mac_t *tmp_rmac = p; |
4336 | zebra_mac_t *zrmac; | |
d62a17ae | 4337 | |
b7cfce93 MK |
4338 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
4339 | *zrmac = *tmp_rmac; | |
d62a17ae | 4340 | |
b7cfce93 | 4341 | return ((void *)zrmac); |
2dbad57f | 4342 | } |
cd233079 | 4343 | |
b7cfce93 MK |
4344 | /* |
4345 | * Add RMAC entry to l3-vni | |
4346 | */ | |
996c9314 | 4347 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
4348 | { |
4349 | zebra_mac_t tmp_rmac; | |
4350 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 4351 | |
b7cfce93 MK |
4352 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
4353 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
4354 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
4355 | assert(zrmac); | |
d62a17ae | 4356 | |
85442b09 | 4357 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 4358 | |
2dbad57f | 4359 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
4360 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
4361 | ||
b7cfce93 | 4362 | return zrmac; |
2dbad57f | 4363 | } |
cec2e17d | 4364 | |
4365 | /* | |
b7cfce93 | 4366 | * Delete MAC entry. |
cec2e17d | 4367 | */ |
996c9314 | 4368 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4369 | { |
b7cfce93 | 4370 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 4371 | struct host_rb_entry *hle; |
cd233079 | 4372 | |
85442b09 DS |
4373 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
4374 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 4375 | |
85442b09 | 4376 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
4377 | XFREE(MTYPE_HOST_PREFIX, hle); |
4378 | } | |
cd233079 | 4379 | |
b7cfce93 | 4380 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
0a22ddfb | 4381 | XFREE(MTYPE_MAC, tmp_rmac); |
cd233079 | 4382 | |
b7cfce93 | 4383 | return 0; |
2dbad57f | 4384 | } |
cec2e17d | 4385 | |
4386 | /* | |
b7cfce93 | 4387 | * Install remote RMAC into the kernel. |
cec2e17d | 4388 | */ |
996c9314 | 4389 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4390 | { |
b7cfce93 MK |
4391 | struct zebra_if *zif = NULL; |
4392 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 4393 | |
996c9314 LB |
4394 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4395 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4396 | return 0; |
4397 | ||
4398 | zif = zl3vni->vxlan_if->info; | |
4399 | if (!zif) | |
4400 | return -1; | |
4401 | ||
4402 | vxl = &zif->l2info.vxl; | |
4403 | ||
4404 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 4405 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 4406 | } |
b7cfce93 MK |
4407 | |
4408 | /* | |
4409 | * Uninstall remote RMAC from the kernel. | |
4410 | */ | |
996c9314 | 4411 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
4412 | { |
4413 | char buf[ETHER_ADDR_STRLEN]; | |
4414 | struct zebra_if *zif = NULL; | |
4415 | struct zebra_l2info_vxlan *vxl = NULL; | |
4416 | ||
996c9314 LB |
4417 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4418 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4419 | return 0; |
4420 | ||
4421 | if (!zl3vni->vxlan_if) { | |
9df414fe | 4422 | zlog_debug( |
996c9314 LB |
4423 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
4424 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
4425 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
4426 | return -1; |
4427 | } | |
4428 | ||
4429 | zif = zl3vni->vxlan_if->info; | |
4430 | if (!zif) | |
4431 | return -1; | |
4432 | ||
4433 | vxl = &zif->l2info.vxl; | |
4434 | ||
4435 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 4436 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 4437 | } |
4438 | ||
4439 | /* handle rmac add */ | |
996c9314 | 4440 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 4441 | struct ipaddr *vtep_ip, |
4442 | struct prefix *host_prefix) | |
2dbad57f | 4443 | { |
4444 | char buf[ETHER_ADDR_STRLEN]; | |
4445 | char buf1[INET6_ADDRSTRLEN]; | |
4446 | zebra_mac_t *zrmac = NULL; | |
4447 | ||
4448 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4449 | if (!zrmac) { | |
4450 | ||
4451 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
4452 | if (!zrmac) { | |
9df414fe | 4453 | zlog_debug( |
2dbad57f | 4454 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
4455 | prefix_mac2str(rmac, buf, sizeof(buf)), |
4456 | zl3vni->vni, | |
4457 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 4458 | return -1; |
4459 | } | |
4460 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
4461 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
4462 | ||
4463 | /* install rmac in kernel */ | |
4464 | zl3vni_rmac_install(zl3vni, zrmac); | |
4465 | } | |
6134fd82 | 4466 | |
41db76c2 | 4467 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 4468 | |
2dbad57f | 4469 | return 0; |
4470 | } | |
4471 | ||
4472 | ||
4473 | /* handle rmac delete */ | |
22e63104 | 4474 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 4475 | struct prefix *host_prefix) |
2dbad57f | 4476 | { |
41db76c2 | 4477 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 4478 | |
85442b09 | 4479 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 4480 | /* uninstall from kernel */ |
4481 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4482 | ||
4483 | /* del the rmac entry */ | |
4484 | zl3vni_rmac_del(zl3vni, zrmac); | |
4485 | } | |
2dbad57f | 4486 | } |
b7cfce93 MK |
4487 | |
4488 | /* | |
4489 | * Look up nh hash entry on a l3-vni. | |
4490 | */ | |
996c9314 | 4491 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
4492 | { |
4493 | zebra_neigh_t tmp; | |
4494 | zebra_neigh_t *n; | |
4495 | ||
4496 | memset(&tmp, 0, sizeof(tmp)); | |
4497 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
4498 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
4499 | ||
4500 | return n; | |
2dbad57f | 4501 | } |
b7cfce93 MK |
4502 | |
4503 | ||
4504 | /* | |
4505 | * Callback to allocate NH hash entry on L3-VNI. | |
4506 | */ | |
2dbad57f | 4507 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
4508 | { |
4509 | const zebra_neigh_t *tmp_n = p; | |
4510 | zebra_neigh_t *n; | |
4511 | ||
4512 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
4513 | *n = *tmp_n; | |
4514 | ||
4515 | return ((void *)n); | |
2dbad57f | 4516 | } |
b7cfce93 MK |
4517 | |
4518 | /* | |
4519 | * Add neighbor entry. | |
4520 | */ | |
996c9314 | 4521 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
4522 | struct ethaddr *mac) |
4523 | { | |
4524 | zebra_neigh_t tmp_n; | |
4525 | zebra_neigh_t *n = NULL; | |
4526 | ||
4527 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
4528 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
4529 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
4530 | assert(n); | |
4531 | ||
85442b09 | 4532 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 4533 | |
b7cfce93 | 4534 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 4535 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
4536 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
4537 | |
4538 | return n; | |
2dbad57f | 4539 | } |
b7cfce93 MK |
4540 | |
4541 | /* | |
4542 | * Delete neighbor entry. | |
4543 | */ | |
996c9314 | 4544 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
4545 | { |
4546 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 4547 | struct host_rb_entry *hle; |
b7cfce93 | 4548 | |
85442b09 DS |
4549 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
4550 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 4551 | |
85442b09 | 4552 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
4553 | XFREE(MTYPE_HOST_PREFIX, hle); |
4554 | } | |
55aabf6f | 4555 | |
b7cfce93 | 4556 | tmp_n = hash_release(zl3vni->nh_table, n); |
0a22ddfb | 4557 | XFREE(MTYPE_NEIGH, tmp_n); |
b7cfce93 MK |
4558 | |
4559 | return 0; | |
2dbad57f | 4560 | } |
b7cfce93 MK |
4561 | |
4562 | /* | |
4563 | * Install remote nh as neigh into the kernel. | |
4564 | */ | |
996c9314 | 4565 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4566 | { |
f7dae312 | 4567 | #ifdef GNU_LINUX |
68e33151 | 4568 | uint8_t flags; |
f7dae312 | 4569 | #endif |
68e33151 CS |
4570 | int ret = 0; |
4571 | ||
b7cfce93 MK |
4572 | if (!is_l3vni_oper_up(zl3vni)) |
4573 | return -1; | |
4574 | ||
996c9314 LB |
4575 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4576 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 4577 | return 0; |
68e33151 CS |
4578 | #ifdef GNU_LINUX |
4579 | flags = NTF_EXT_LEARNED; | |
4580 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
4581 | flags |= NTF_ROUTER; | |
4582 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
4583 | #endif | |
4584 | return ret; | |
2dbad57f | 4585 | } |
b7cfce93 MK |
4586 | |
4587 | /* | |
4588 | * Uninstall remote nh from the kernel. | |
4589 | */ | |
996c9314 | 4590 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4591 | { |
996c9314 LB |
4592 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4593 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
4594 | return 0; |
4595 | ||
fa409e1e | 4596 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
4597 | return 0; | |
4598 | ||
b7cfce93 | 4599 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 4600 | } |
4601 | ||
4602 | /* add remote vtep as a neigh entry */ | |
996c9314 | 4603 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 4604 | struct ethaddr *rmac, |
4605 | struct prefix *host_prefix) | |
2dbad57f | 4606 | { |
4607 | char buf[ETHER_ADDR_STRLEN]; | |
4608 | char buf1[INET6_ADDRSTRLEN]; | |
4609 | zebra_neigh_t *nh = NULL; | |
4610 | ||
4611 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4612 | if (!nh) { | |
4613 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
4614 | if (!nh) { | |
4615 | ||
9df414fe | 4616 | zlog_debug( |
2dbad57f | 4617 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
4618 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
4619 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 4620 | zl3vni->vni); |
4621 | return -1; | |
4622 | } | |
4623 | ||
4624 | /* install the nh neigh in kernel */ | |
4625 | zl3vni_nh_install(zl3vni, nh); | |
4626 | } | |
6134fd82 | 4627 | |
f2a503f0 | 4628 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 4629 | |
2dbad57f | 4630 | return 0; |
4631 | } | |
4632 | ||
4633 | /* handle nh neigh delete */ | |
22e63104 | 4634 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
4635 | struct prefix *host_prefix) | |
2dbad57f | 4636 | { |
f2a503f0 | 4637 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 4638 | |
85442b09 | 4639 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 4640 | /* uninstall from kernel */ |
4641 | zl3vni_nh_uninstall(zl3vni, nh); | |
4642 | ||
4643 | /* delete the nh entry */ | |
4644 | zl3vni_nh_del(zl3vni, nh); | |
4645 | } | |
2dbad57f | 4646 | } |
b7cfce93 | 4647 | |
3bcbba10 | 4648 | /* handle neigh update from kernel - the only thing of interest is to |
4649 | * readd stale entries. | |
4650 | */ | |
996c9314 | 4651 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 4652 | uint16_t state) |
3bcbba10 | 4653 | { |
c05a738b | 4654 | #ifdef GNU_LINUX |
3bcbba10 | 4655 | zebra_neigh_t *n = NULL; |
4656 | ||
4657 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4658 | if (!n) | |
4659 | return 0; | |
4660 | ||
4661 | /* all next hop neigh are remote and installed by frr. | |
4662 | * If the kernel has aged this entry, re-install. | |
4663 | */ | |
4664 | if (state & NUD_STALE) | |
4665 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 4666 | #endif |
3bcbba10 | 4667 | return 0; |
4668 | } | |
4669 | ||
8c9b80b9 | 4670 | /* handle neigh delete from kernel */ |
996c9314 | 4671 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
4672 | { |
4673 | zebra_neigh_t *n = NULL; | |
4674 | ||
4675 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4676 | if (!n) | |
4677 | return 0; | |
4678 | ||
4679 | /* all next hop neigh are remote and installed by frr. | |
4680 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 4681 | * install it back |
4682 | */ | |
8c9b80b9 MK |
4683 | zl3vni_nh_install(zl3vni, n); |
4684 | ||
4685 | return 0; | |
4686 | } | |
4687 | ||
b7cfce93 MK |
4688 | /* |
4689 | * Hash function for L3 VNI. | |
4690 | */ | |
4691 | static unsigned int l3vni_hash_keymake(void *p) | |
4692 | { | |
4693 | const zebra_l3vni_t *zl3vni = p; | |
4694 | ||
4695 | return jhash_1word(zl3vni->vni, 0); | |
4696 | } | |
4697 | ||
4698 | /* | |
4699 | * Compare 2 L3 VNI hash entries. | |
4700 | */ | |
74df8d6d | 4701 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
4702 | { |
4703 | const zebra_l3vni_t *zl3vni1 = p1; | |
4704 | const zebra_l3vni_t *zl3vni2 = p2; | |
4705 | ||
4706 | return (zl3vni1->vni == zl3vni2->vni); | |
4707 | } | |
4708 | ||
4709 | /* | |
4710 | * Callback to allocate L3 VNI hash entry. | |
4711 | */ | |
4712 | static void *zl3vni_alloc(void *p) | |
4713 | { | |
4714 | zebra_l3vni_t *zl3vni = NULL; | |
4715 | const zebra_l3vni_t *tmp_l3vni = p; | |
4716 | ||
4717 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
4718 | zl3vni->vni = tmp_l3vni->vni; | |
4719 | return ((void *)zl3vni); | |
4720 | } | |
4721 | ||
4722 | /* | |
4723 | * Look up L3 VNI hash entry. | |
4724 | */ | |
4725 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
4726 | { | |
b7cfce93 MK |
4727 | zebra_l3vni_t tmp_l3vni; |
4728 | zebra_l3vni_t *zl3vni = NULL; | |
4729 | ||
b7cfce93 MK |
4730 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
4731 | tmp_l3vni.vni = vni; | |
89272910 | 4732 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
4733 | |
4734 | return zl3vni; | |
4735 | } | |
4736 | ||
4737 | /* | |
4738 | * Add L3 VNI hash entry. | |
4739 | */ | |
4740 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
4741 | { | |
4742 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
4743 | zebra_l3vni_t *zl3vni = NULL; |
4744 | ||
b7cfce93 MK |
4745 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
4746 | tmp_zl3vni.vni = vni; | |
4747 | ||
89272910 | 4748 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
4749 | assert(zl3vni); |
4750 | ||
4751 | zl3vni->vrf_id = vrf_id; | |
4752 | zl3vni->svi_if = NULL; | |
4753 | zl3vni->vxlan_if = NULL; | |
4754 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 4755 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
4756 | |
4757 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
4758 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
4759 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
4760 | |
4761 | /* Create hash table for neighbors */ | |
4762 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 4763 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
4764 | |
4765 | return zl3vni; | |
4766 | } | |
4767 | ||
4768 | /* | |
4769 | * Delete L3 VNI hash entry. | |
4770 | */ | |
4771 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
4772 | { | |
b7cfce93 MK |
4773 | zebra_l3vni_t *tmp_zl3vni; |
4774 | ||
b7cfce93 | 4775 | /* free the list of l2vnis */ |
6a154c88 | 4776 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
4777 | zl3vni->l2vnis = NULL; |
4778 | ||
4779 | /* Free the rmac table */ | |
4780 | hash_free(zl3vni->rmac_table); | |
4781 | zl3vni->rmac_table = NULL; | |
4782 | ||
4783 | /* Free the nh table */ | |
4784 | hash_free(zl3vni->nh_table); | |
4785 | zl3vni->nh_table = NULL; | |
4786 | ||
4787 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 4788 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
0a22ddfb | 4789 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); |
b7cfce93 MK |
4790 | |
4791 | return 0; | |
4792 | } | |
4793 | ||
b7cfce93 MK |
4794 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
4795 | { | |
4796 | struct zebra_ns *zns = NULL; | |
4797 | struct route_node *rn = NULL; | |
4798 | struct interface *ifp = NULL; | |
4799 | ||
4800 | /* loop through all vxlan-interface */ | |
4801 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4802 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4803 | ||
4804 | struct zebra_if *zif = NULL; | |
4805 | struct zebra_l2info_vxlan *vxl = NULL; | |
4806 | ||
4807 | ifp = (struct interface *)rn->info; | |
4808 | if (!ifp) | |
4809 | continue; | |
4810 | ||
4811 | zif = ifp->info; | |
4812 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4813 | continue; | |
4814 | ||
4815 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 4816 | if (vxl->vni == zl3vni->vni) { |
4817 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 4818 | return ifp; |
b67a60d2 | 4819 | } |
b7cfce93 MK |
4820 | } |
4821 | ||
4822 | return NULL; | |
4823 | } | |
4824 | ||
4825 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
4826 | { | |
996c9314 | 4827 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
4828 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
4829 | ||
2aeb403d | 4830 | if (!zl3vni) |
4831 | return NULL; | |
4832 | ||
b7cfce93 MK |
4833 | if (!zl3vni->vxlan_if) |
4834 | return NULL; | |
4835 | ||
4836 | zif = zl3vni->vxlan_if->info; | |
4837 | if (!zif) | |
4838 | return NULL; | |
4839 | ||
4840 | vxl = &zif->l2info.vxl; | |
4841 | ||
4842 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
4843 | } | |
4844 | ||
4845 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
4846 | { | |
4847 | struct zebra_vrf *zvrf = NULL; | |
4848 | ||
4849 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
4850 | if (!zvrf) | |
4851 | return NULL; | |
4852 | ||
4853 | return zl3vni_lookup(zvrf->l3vni); | |
4854 | } | |
4855 | ||
4856 | /* | |
4857 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
4858 | * neighbor notifications, to see if they are of interest. | |
4859 | */ | |
4860 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
4861 | struct interface *br_if) | |
4862 | { | |
4863 | int found = 0; | |
4864 | vlanid_t vid = 0; | |
d7c0a89a | 4865 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
4866 | zebra_l3vni_t *zl3vni = NULL; |
4867 | struct zebra_ns *zns = NULL; | |
4868 | struct route_node *rn = NULL; | |
4869 | struct zebra_if *zif = NULL; | |
4870 | struct interface *tmp_if = NULL; | |
4871 | struct zebra_l2info_bridge *br = NULL; | |
4872 | struct zebra_l2info_vxlan *vxl = NULL; | |
4873 | ||
4874 | if (!br_if) | |
4875 | return NULL; | |
4876 | ||
4877 | /* Make sure the linked interface is a bridge. */ | |
4878 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
4879 | return NULL; | |
4880 | ||
4881 | /* Determine if bridge is VLAN-aware or not */ | |
4882 | zif = br_if->info; | |
4883 | assert(zif); | |
4884 | br = &zif->l2info.br; | |
4885 | bridge_vlan_aware = br->vlan_aware; | |
4886 | if (bridge_vlan_aware) { | |
4887 | struct zebra_l2info_vlan *vl; | |
4888 | ||
4889 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
4890 | return NULL; | |
4891 | ||
4892 | zif = ifp->info; | |
4893 | assert(zif); | |
4894 | vl = &zif->l2info.vl; | |
4895 | vid = vl->vid; | |
4896 | } | |
4897 | ||
4898 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
4899 | /* TODO: Optimize with a hash. */ | |
4900 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4901 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4902 | tmp_if = (struct interface *)rn->info; | |
4903 | if (!tmp_if) | |
4904 | continue; | |
4905 | zif = tmp_if->info; | |
4906 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4907 | continue; | |
4908 | if (!if_is_operative(tmp_if)) | |
4909 | continue; | |
4910 | vxl = &zif->l2info.vxl; | |
4911 | ||
4912 | if (zif->brslave_info.br_if != br_if) | |
4913 | continue; | |
4914 | ||
4915 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
4916 | found = 1; | |
4917 | break; | |
4918 | } | |
4919 | } | |
4920 | ||
4921 | if (!found) | |
4922 | return NULL; | |
4923 | ||
4924 | zl3vni = zl3vni_lookup(vxl->vni); | |
4925 | return zl3vni; | |
4926 | } | |
4927 | ||
4928 | /* | |
4929 | * Inform BGP about l3-vni. | |
4930 | */ | |
4931 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
4932 | { | |
4933 | struct stream *s = NULL; | |
4934 | struct zserv *client = NULL; | |
4935 | struct ethaddr rmac; | |
4936 | char buf[ETHER_ADDR_STRLEN]; | |
4937 | ||
21ccc0cf | 4938 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4939 | /* BGP may not be running. */ |
4940 | if (!client) | |
4941 | return 0; | |
4942 | ||
4943 | /* get the rmac */ | |
4944 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
4945 | zl3vni_get_rmac(zl3vni, &rmac); | |
4946 | ||
1002497a | 4947 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4948 | |
996c9314 | 4949 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4950 | stream_putl(s, zl3vni->vni); |
4951 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 4952 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 4953 | stream_put(s, &zl3vni->filter, sizeof(int)); |
0483af6e | 4954 | stream_putl(s, zl3vni->svi_if->ifindex); |
b7cfce93 MK |
4955 | |
4956 | /* Write packet size. */ | |
4957 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4958 | ||
4959 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 4960 | zlog_debug( |
996c9314 LB |
4961 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
4962 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
4963 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
4964 | inet_ntoa(zl3vni->local_vtep_ip), | |
4965 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
4966 | ? "prefix-routes-only" | |
4967 | : "none", | |
4968 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
4969 | |
4970 | client->l3vniadd_cnt++; | |
21ccc0cf | 4971 | return zserv_send_message(client, s); |
b7cfce93 MK |
4972 | } |
4973 | ||
4974 | /* | |
4975 | * Inform BGP about local l3-VNI deletion. | |
4976 | */ | |
4977 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
4978 | { | |
4979 | struct stream *s = NULL; | |
4980 | struct zserv *client = NULL; | |
4981 | ||
21ccc0cf | 4982 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4983 | /* BGP may not be running. */ |
4984 | if (!client) | |
4985 | return 0; | |
4986 | ||
1002497a | 4987 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4988 | |
996c9314 | 4989 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4990 | stream_putl(s, zl3vni->vni); |
4991 | ||
4992 | /* Write packet size. */ | |
4993 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4994 | ||
4995 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4996 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
4997 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
4998 | zebra_route_string(client->proto)); | |
4999 | ||
5000 | client->l3vnidel_cnt++; | |
21ccc0cf | 5001 | return zserv_send_message(client, s); |
b7cfce93 MK |
5002 | } |
5003 | ||
5004 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
5005 | { | |
2aeb403d | 5006 | if (!zl3vni) |
5007 | return; | |
5008 | ||
b7cfce93 MK |
5009 | /* send l3vni add to BGP */ |
5010 | zl3vni_send_add_to_client(zl3vni); | |
5011 | } | |
5012 | ||
5013 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
5014 | { | |
2aeb403d | 5015 | if (!zl3vni) |
5016 | return; | |
5017 | ||
b7cfce93 MK |
5018 | /* send l3-vni del to BGP*/ |
5019 | zl3vni_send_del_to_client(zl3vni); | |
5020 | } | |
5021 | ||
e3b78da8 | 5022 | static void zvni_add_to_l3vni_list(struct hash_bucket *bucket, void *ctxt) |
b7cfce93 | 5023 | { |
e3b78da8 | 5024 | zebra_vni_t *zvni = (zebra_vni_t *)bucket->data; |
996c9314 | 5025 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; |
b7cfce93 MK |
5026 | |
5027 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
5028 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
5029 | } | |
5030 | ||
b7cfce93 MK |
5031 | /* |
5032 | * handle transition of vni from l2 to l3 and vice versa | |
5033 | */ | |
996c9314 LB |
5034 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
5035 | int add) | |
b7cfce93 MK |
5036 | { |
5037 | zebra_vni_t *zvni = NULL; | |
5038 | ||
5039 | /* There is a possibility that VNI notification was already received | |
5040 | * from kernel and we programmed it as L2-VNI | |
5041 | * In such a case we need to delete this L2-VNI first, so | |
5042 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
5043 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
5044 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 5045 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
5046 | */ | |
b7cfce93 MK |
5047 | if (add) { |
5048 | /* Locate hash entry */ | |
5049 | zvni = zvni_lookup(vni); | |
5050 | if (!zvni) | |
5051 | return 0; | |
5052 | ||
5053 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5054 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
5055 | |
5056 | /* Delete VNI from BGP. */ | |
5057 | zvni_send_del_to_client(zvni->vni); | |
5058 | ||
5059 | /* Free up all neighbors and MAC, if any. */ | |
5060 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
5061 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
5062 | ||
5063 | /* Free up all remote VTEPs, if any. */ | |
5064 | zvni_vtep_del_all(zvni, 0); | |
5065 | ||
5066 | /* Delete the hash entry. */ | |
5067 | if (zvni_del(zvni)) { | |
e914ccbe | 5068 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
5069 | "Failed to del VNI hash %p, VNI %u", zvni, |
5070 | zvni->vni); | |
b7cfce93 MK |
5071 | return -1; |
5072 | } | |
5073 | } else { | |
5074 | /* TODO_MITESH: This needs to be thought through. We don't have | |
5075 | * enough information at this point to reprogram the vni as | |
5076 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 5077 | * used it solely for this purpose |
5078 | */ | |
b7cfce93 MK |
5079 | } |
5080 | ||
5081 | return 0; | |
5082 | } | |
5083 | ||
5e06422c | 5084 | /* delete and uninstall rmac hash entry */ |
e3b78da8 | 5085 | static void zl3vni_del_rmac_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5086 | { |
5087 | zebra_mac_t *zrmac = NULL; | |
5088 | zebra_l3vni_t *zl3vni = NULL; | |
5089 | ||
e3b78da8 | 5090 | zrmac = (zebra_mac_t *)bucket->data; |
5e06422c MK |
5091 | zl3vni = (zebra_l3vni_t *)ctx; |
5092 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
5093 | zl3vni_rmac_del(zl3vni, zrmac); | |
5094 | } | |
5095 | ||
5096 | /* delete and uninstall nh hash entry */ | |
e3b78da8 | 5097 | static void zl3vni_del_nh_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5098 | { |
5099 | zebra_neigh_t *n = NULL; | |
5100 | zebra_l3vni_t *zl3vni = NULL; | |
5101 | ||
e3b78da8 | 5102 | n = (zebra_neigh_t *)bucket->data; |
5e06422c MK |
5103 | zl3vni = (zebra_l3vni_t *)ctx; |
5104 | zl3vni_nh_uninstall(zl3vni, n); | |
5105 | zl3vni_nh_del(zl3vni, n); | |
5106 | } | |
5107 | ||
996c9314 LB |
5108 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
5109 | uint16_t cmd) | |
31310b25 MK |
5110 | { |
5111 | struct zserv *client = NULL; | |
5112 | struct stream *s = NULL; | |
5113 | char buf[PREFIX_STRLEN]; | |
5114 | ||
21ccc0cf | 5115 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
5116 | /* BGP may not be running. */ |
5117 | if (!client) | |
5118 | return 0; | |
5119 | ||
1002497a | 5120 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 5121 | |
22bd3e94 | 5122 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
5123 | stream_put(s, p, sizeof(struct prefix)); |
5124 | ||
5125 | /* Write packet size. */ | |
5126 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5127 | ||
5128 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5129 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
5130 | prefix2str(p, buf, sizeof(buf)), |
5131 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
5132 | vrf_id_to_name(vrf_id)); | |
5133 | ||
5134 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
5135 | client->prefixadd_cnt++; | |
5136 | else | |
5137 | client->prefixdel_cnt++; | |
5138 | ||
21ccc0cf | 5139 | return zserv_send_message(client, s); |
31310b25 MK |
5140 | } |
5141 | ||
a9a76262 MK |
5142 | /* re-add remote rmac if needed */ |
5143 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 5144 | struct ethaddr *rmac) |
a9a76262 MK |
5145 | { |
5146 | char buf[ETHER_ADDR_STRLEN]; | |
5147 | zebra_mac_t *zrmac = NULL; | |
5148 | ||
5149 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5150 | if (!zrmac) | |
5151 | return 0; | |
5152 | ||
5153 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5154 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 5155 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
5156 | |
5157 | zl3vni_rmac_install(zl3vni, zrmac); | |
5158 | return 0; | |
5159 | } | |
5160 | ||
f07e1c99 | 5161 | /* Process a remote MACIP add from BGP. */ |
5162 | static void process_remote_macip_add(vni_t vni, | |
5163 | struct ethaddr *macaddr, | |
9df2b997 | 5164 | uint16_t ipa_len, |
f07e1c99 | 5165 | struct ipaddr *ipaddr, |
9df2b997 | 5166 | uint8_t flags, |
f07e1c99 | 5167 | uint32_t seq, |
5168 | struct in_addr vtep_ip) | |
c48d9f5f | 5169 | { |
f07e1c99 | 5170 | zebra_vni_t *zvni; |
5171 | zebra_vtep_t *zvtep; | |
e22a946a | 5172 | zebra_mac_t *mac = NULL, *old_mac = NULL; |
f07e1c99 | 5173 | zebra_neigh_t *n = NULL; |
5174 | int update_mac = 0, update_neigh = 0; | |
5175 | char buf[ETHER_ADDR_STRLEN]; | |
5176 | char buf1[INET6_ADDRSTRLEN]; | |
5177 | struct interface *ifp = NULL; | |
5178 | struct zebra_if *zif = NULL; | |
e22a946a | 5179 | struct zebra_vrf *zvrf; |
f07e1c99 | 5180 | uint32_t tmp_seq; |
a37f4598 | 5181 | bool sticky; |
5182 | bool remote_gw; | |
5183 | bool is_router; | |
e22a946a CS |
5184 | bool do_dad = false; |
5185 | bool is_dup_detect = false; | |
c48d9f5f | 5186 | |
f07e1c99 | 5187 | /* Locate VNI hash entry - expected to exist. */ |
5188 | zvni = zvni_lookup(vni); | |
5189 | if (!zvni) { | |
5190 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
5191 | return; | |
5192 | } | |
2dbad57f | 5193 | |
f07e1c99 | 5194 | ifp = zvni->vxlan_if; |
5195 | if (ifp) | |
5196 | zif = ifp->info; | |
5197 | if (!ifp || | |
5198 | !if_is_operative(ifp) || | |
5199 | !zif || | |
5200 | !zif->brslave_info.br_if) { | |
5201 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
5202 | vni); | |
2dbad57f | 5203 | return; |
f07e1c99 | 5204 | } |
2dbad57f | 5205 | |
f07e1c99 | 5206 | /* The remote VTEP specified should normally exist, but it is |
5207 | * possible that when peering comes up, peer may advertise MACIP | |
5208 | * routes before advertising type-3 routes. | |
f50dc5e6 | 5209 | */ |
f07e1c99 | 5210 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
5211 | if (!zvtep) { | |
9718c54e AK |
5212 | zvtep = zvni_vtep_add(zvni, &vtep_ip, VXLAN_FLOOD_DISABLED); |
5213 | if (!zvtep) { | |
f07e1c99 | 5214 | flog_err( |
e914ccbe | 5215 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 5216 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
5217 | vni, zvni); | |
5218 | return; | |
5219 | } | |
2dbad57f | 5220 | |
9718c54e | 5221 | zvni_vtep_install(zvni, zvtep); |
f07e1c99 | 5222 | } |
f50dc5e6 | 5223 | |
a37f4598 | 5224 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
5225 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
5226 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 5227 | |
f07e1c99 | 5228 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 5229 | |
f07e1c99 | 5230 | /* Ignore if the mac is already present as a gateway mac */ |
5231 | if (mac && | |
5232 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
5233 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
5234 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5235 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5236 | vni, | |
5237 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5238 | ipa_len ? " IP " : "", | |
5239 | ipa_len ? | |
5240 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 5241 | return; |
f07e1c99 | 5242 | } |
2dbad57f | 5243 | |
e22a946a CS |
5244 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
5245 | if (!zvrf) | |
5246 | return; | |
5247 | ||
f07e1c99 | 5248 | /* check if the remote MAC is unknown or has a change. |
5249 | * If so, that needs to be updated first. Note that client could | |
5250 | * install MAC and MACIP separately or just install the latter. | |
5251 | */ | |
5252 | if (!mac | |
5253 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 5254 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
5255 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 5256 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
5257 | || seq != mac->rem_seq) | |
5258 | update_mac = 1; | |
5259 | ||
5260 | if (update_mac) { | |
5261 | if (!mac) { | |
5262 | mac = zvni_mac_add(zvni, macaddr); | |
5263 | if (!mac) { | |
5264 | zlog_warn( | |
5265 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
5266 | prefix_mac2str(macaddr, buf, | |
5267 | sizeof(buf)), | |
5268 | vni, inet_ntoa(vtep_ip)); | |
5269 | return; | |
5270 | } | |
5271 | ||
5272 | /* Is this MAC created for a MACIP? */ | |
5273 | if (ipa_len) | |
5274 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5275 | } else { | |
5276 | const char *mac_type; | |
5277 | ||
5278 | /* When host moves but changes its (MAC,IP) | |
5279 | * binding, BGP may install a MACIP entry that | |
5280 | * corresponds to "older" location of the host | |
5281 | * in transient situations (because {IP1,M1} | |
5282 | * is a different route from {IP1,M2}). Check | |
5283 | * the sequence number and ignore this update | |
5284 | * if appropriate. | |
5285 | */ | |
5286 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5287 | tmp_seq = mac->loc_seq; | |
5288 | mac_type = "local"; | |
5289 | } else { | |
5290 | tmp_seq = mac->rem_seq; | |
5291 | mac_type = "remote"; | |
5292 | } | |
5293 | if (seq < tmp_seq) { | |
5294 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5295 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
5296 | vni, | |
5297 | prefix_mac2str(macaddr, | |
5298 | buf, sizeof(buf)), | |
5299 | ipa_len ? " IP " : "", | |
5300 | ipa_len ? | |
5301 | ipaddr2str(ipaddr, | |
5302 | buf1, sizeof(buf1)) : "", | |
5303 | mac_type, | |
5304 | tmp_seq); | |
5305 | return; | |
5306 | } | |
5307 | } | |
5308 | ||
e22a946a CS |
5309 | /* Check MAC's curent state is local (this is the case |
5310 | * where MAC has moved from L->R) and check previous | |
5311 | * detection started via local learning. | |
5312 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
5313 | * event via local learning starts an M-second timer. | |
5314 | * | |
753ad4fe | 5315 | * VTEP-IP or seq. change alone is not considered |
e22a946a | 5316 | * for dup. detection. |
753ad4fe CS |
5317 | * |
5318 | * MAC is already marked duplicate set dad, then | |
5319 | * is_dup_detect will be set to not install the entry. | |
e22a946a | 5320 | */ |
753ad4fe CS |
5321 | if ((!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && |
5322 | mac->dad_count) || | |
5323 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e22a946a CS |
5324 | do_dad = true; |
5325 | ||
e98e4b88 AK |
5326 | /* Remove local MAC from BGP. */ |
5327 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5328 | zvni_mac_send_del_to_client(zvni->vni, macaddr); | |
5329 | ||
f07e1c99 | 5330 | /* Set "auto" and "remote" forwarding info. */ |
5331 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5332 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5333 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5334 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5335 | ||
5336 | if (sticky) | |
5337 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5338 | else | |
5339 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5340 | ||
5341 | if (remote_gw) | |
5342 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5343 | else | |
5344 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5345 | ||
bdca1974 CS |
5346 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, |
5347 | mac->fwd_info.r_vtep_ip, | |
5348 | do_dad, &is_dup_detect, | |
5349 | false); | |
e22a946a | 5350 | |
a4445ece CS |
5351 | if (!is_dup_detect) { |
5352 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
5353 | /* Install the entry. */ | |
e22a946a | 5354 | zvni_mac_install(zvni, mac); |
a4445ece | 5355 | } |
f07e1c99 | 5356 | } |
5357 | ||
5358 | /* Update seq number. */ | |
5359 | mac->rem_seq = seq; | |
5360 | ||
5361 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
5362 | if (!ipa_len) { | |
5363 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5364 | return; | |
5365 | } | |
5366 | ||
e22a946a CS |
5367 | /* Reset flag */ |
5368 | do_dad = false; | |
5369 | ||
f07e1c99 | 5370 | /* Check if the remote neighbor itself is unknown or has a |
5371 | * change. If so, create or update and then install the entry. | |
5372 | */ | |
5373 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5374 | if (!n | |
5375 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 5376 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 5377 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
5378 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
5379 | || seq != n->rem_seq) | |
5380 | update_neigh = 1; | |
5381 | ||
5382 | if (update_neigh) { | |
5383 | if (!n) { | |
5384 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
5385 | if (!n) { | |
5386 | zlog_warn( | |
5387 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
5388 | ipaddr2str(ipaddr, buf1, | |
5389 | sizeof(buf1)), | |
5390 | prefix_mac2str(macaddr, buf, | |
5391 | sizeof(buf)), | |
5392 | vni, inet_ntoa(vtep_ip)); | |
5393 | return; | |
5394 | } | |
5395 | ||
5396 | } else { | |
5397 | const char *n_type; | |
5398 | ||
5399 | /* When host moves but changes its (MAC,IP) | |
5400 | * binding, BGP may install a MACIP entry that | |
5401 | * corresponds to "older" location of the host | |
5402 | * in transient situations (because {IP1,M1} | |
5403 | * is a different route from {IP1,M2}). Check | |
5404 | * the sequence number and ignore this update | |
5405 | * if appropriate. | |
5406 | */ | |
5407 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
5408 | tmp_seq = n->loc_seq; | |
5409 | n_type = "local"; | |
5410 | } else { | |
5411 | tmp_seq = n->rem_seq; | |
5412 | n_type = "remote"; | |
5413 | } | |
5414 | if (seq < tmp_seq) { | |
5415 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5416 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
5417 | vni, | |
5418 | prefix_mac2str(macaddr, | |
5419 | buf, sizeof(buf)), | |
4848ef74 A |
5420 | " IP ", |
5421 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 5422 | n_type, |
5423 | tmp_seq); | |
5424 | return; | |
5425 | } | |
5426 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
5427 | /* MAC change, send a delete for old | |
5428 | * neigh if learnt locally. | |
5429 | */ | |
5430 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
5431 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
5432 | zvni_neigh_send_del_to_client( | |
5433 | zvni->vni, &n->ip, | |
2c476b72 | 5434 | &n->emac, 0, n->state); |
f07e1c99 | 5435 | |
5436 | /* update neigh list for macs */ | |
5437 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
5438 | if (old_mac) { | |
5439 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 5440 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 5441 | } |
5442 | listnode_add_sort(mac->neigh_list, n); | |
5443 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
e22a946a CS |
5444 | |
5445 | /* Check Neigh's curent state is local | |
5446 | * (this is the case where neigh/host has moved | |
5447 | * from L->R) and check previous detction | |
5448 | * started via local learning. | |
5449 | * | |
5450 | * RFC-7432: A PE/VTEP that detects a MAC | |
5451 | * mobilit event via local learning starts | |
5452 | * an M-second timer. | |
5453 | * VTEP-IP or seq. change along is not | |
5454 | * considered for dup. detection. | |
5455 | * | |
5456 | * Mobilty event scenario-B IP-MAC binding | |
5457 | * changed. | |
5458 | */ | |
5459 | if ((!CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
5460 | && n->dad_count) | |
5461 | do_dad = true; | |
5462 | ||
f07e1c99 | 5463 | } |
5464 | } | |
5465 | ||
5466 | /* Set "remote" forwarding info. */ | |
5467 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5468 | n->r_vtep_ip = vtep_ip; | |
5469 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5470 | ||
5471 | /* Set router flag (R-bit) to this Neighbor entry */ | |
5472 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
5473 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 5474 | else |
5475 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 5476 | |
e22a946a CS |
5477 | /* Check old or new MAC detected as duplicate, |
5478 | * inherit duplicate flag to this neigh. | |
5479 | */ | |
5480 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_mac, | |
5481 | mac, n)) { | |
5482 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
5483 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC", | |
5484 | zvni->vni, | |
5485 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
5486 | ipaddr2str(&n->ip, buf1, sizeof(buf1))); | |
5487 | } | |
5488 | ||
7510e459 CS |
5489 | /* Check duplicate address detection for IP */ |
5490 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, | |
5491 | n->r_vtep_ip, | |
5492 | do_dad, | |
5493 | &is_dup_detect, | |
5494 | false); | |
f07e1c99 | 5495 | /* Install the entry. */ |
e22a946a CS |
5496 | if (!is_dup_detect) |
5497 | zvni_neigh_install(zvni, n); | |
f07e1c99 | 5498 | } |
5499 | ||
44bc8ae5 CS |
5500 | zvni_probe_neigh_on_mac_add(zvni, mac); |
5501 | ||
f07e1c99 | 5502 | /* Update seq number. */ |
5503 | n->rem_seq = seq; | |
5504 | } | |
5505 | ||
5506 | /* Process a remote MACIP delete from BGP. */ | |
5507 | static void process_remote_macip_del(vni_t vni, | |
5508 | struct ethaddr *macaddr, | |
9df2b997 | 5509 | uint16_t ipa_len, |
f07e1c99 | 5510 | struct ipaddr *ipaddr, |
5511 | struct in_addr vtep_ip) | |
5512 | { | |
5513 | zebra_vni_t *zvni; | |
5514 | zebra_mac_t *mac = NULL; | |
5515 | zebra_neigh_t *n = NULL; | |
5516 | struct interface *ifp = NULL; | |
5517 | struct zebra_if *zif = NULL; | |
67fb9374 CS |
5518 | struct zebra_ns *zns; |
5519 | struct zebra_l2info_vxlan *vxl; | |
5520 | struct zebra_vrf *zvrf; | |
f07e1c99 | 5521 | char buf[ETHER_ADDR_STRLEN]; |
5522 | char buf1[INET6_ADDRSTRLEN]; | |
5523 | ||
5524 | /* Locate VNI hash entry - expected to exist. */ | |
5525 | zvni = zvni_lookup(vni); | |
5526 | if (!zvni) { | |
5527 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5528 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
5529 | return; | |
5530 | } | |
5531 | ||
5532 | ifp = zvni->vxlan_if; | |
5533 | if (ifp) | |
5534 | zif = ifp->info; | |
5535 | if (!ifp || | |
5536 | !if_is_operative(ifp) || | |
5537 | !zif || | |
5538 | !zif->brslave_info.br_if) { | |
5539 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5540 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
5541 | vni); | |
5542 | return; | |
5543 | } | |
67fb9374 CS |
5544 | zns = zebra_ns_lookup(NS_DEFAULT); |
5545 | vxl = &zif->l2info.vxl; | |
f07e1c99 | 5546 | |
5547 | /* The remote VTEP specified is normally expected to exist, but | |
5548 | * it is possible that the peer may delete the VTEP before deleting | |
5549 | * any MACs referring to the VTEP, in which case the handler (see | |
5550 | * remote_vtep_del) would have already deleted the MACs. | |
5551 | */ | |
5552 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5553 | return; | |
5554 | ||
5555 | mac = zvni_mac_lookup(zvni, macaddr); | |
5556 | if (ipa_len) | |
5557 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5558 | ||
5559 | if (n && !mac) { | |
5560 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
5561 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5562 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
5563 | return; | |
5564 | } | |
5565 | ||
5566 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5567 | * more to do. Otherwise, uninstall the entry and then remove it. | |
5568 | */ | |
5569 | if (!mac && !n) | |
5570 | return; | |
5571 | ||
67fb9374 CS |
5572 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
5573 | ||
f07e1c99 | 5574 | /* Ignore the delete if this mac is a gateway mac-ip */ |
67fb9374 | 5575 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
f07e1c99 | 5576 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { |
5577 | zlog_warn( | |
5578 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5579 | vni, | |
5580 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5581 | ipa_len ? " IP " : "", | |
5582 | ipa_len ? | |
5583 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
5584 | return; | |
5585 | } | |
5586 | ||
5587 | /* Uninstall remote neighbor or MAC. */ | |
5588 | if (n) { | |
67fb9374 CS |
5589 | if (zvrf->dad_freeze && |
5590 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE) && | |
5591 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) && | |
5592 | (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5593 | struct interface *vlan_if; | |
5594 | ||
5595 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5596 | zif->brslave_info.br_if); | |
5597 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5598 | zlog_debug("%s: IP %s (flags 0x%x intf %s) is remote and duplicate, read kernel for local entry", | |
5599 | __PRETTY_FUNCTION__, | |
5600 | ipaddr2str(ipaddr, buf1, | |
5601 | sizeof(buf1)), n->flags, | |
5602 | vlan_if->name); | |
5603 | neigh_read_specific_ip(ipaddr, vlan_if); | |
5604 | } | |
5605 | ||
f07e1c99 | 5606 | /* When the MAC changes for an IP, it is possible the |
5607 | * client may update the new MAC before trying to delete the | |
5608 | * "old" neighbor (as these are two different MACIP routes). | |
5609 | * Do the delete only if the MAC matches. | |
5610 | */ | |
5611 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5612 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5613 | zvni_neigh_uninstall(zvni, n); | |
5614 | zvni_neigh_del(zvni, n); | |
fe697c6b | 5615 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 5616 | } |
5617 | } else { | |
67fb9374 CS |
5618 | /* DAD: when MAC is freeze state as remote learn event, |
5619 | * remote mac-ip delete event is received will result in freeze | |
5620 | * entry removal, first fetch kernel for the same entry present | |
5621 | * as LOCAL and reachable, avoid deleting this entry instead | |
5622 | * use kerenel local entry to update during unfreeze time. | |
5623 | */ | |
5624 | if (zvrf->dad_freeze && | |
5625 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) && | |
5626 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
5627 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5628 | zlog_debug("%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry", | |
5629 | __PRETTY_FUNCTION__, | |
5630 | prefix_mac2str(macaddr, buf, | |
5631 | sizeof(buf)), | |
5632 | mac->flags); | |
5633 | macfdb_read_specific_mac(zns, zif->brslave_info.br_if, | |
5634 | macaddr, vxl->access_vlan); | |
5635 | } | |
5636 | ||
f07e1c99 | 5637 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5638 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
f3a930da AK |
5639 | /* |
5640 | * the remote sequence number in the auto mac entry | |
5641 | * needs to be reset to 0 as the mac entry may have | |
5642 | * been removed on all VTEPs (including | |
5643 | * the originating one) | |
5644 | */ | |
5645 | mac->rem_seq = 0; | |
f07e1c99 | 5646 | |
fe697c6b | 5647 | /* If all remote neighbors referencing a remote MAC |
5648 | * go away, we need to uninstall the MAC. | |
5649 | */ | |
5650 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 5651 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 5652 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
5653 | } | |
5654 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 5655 | zvni_mac_del(zvni, mac); |
fe697c6b | 5656 | else |
f07e1c99 | 5657 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
5658 | } | |
5659 | } | |
5660 | } | |
5661 | ||
5662 | ||
b7cfce93 MK |
5663 | /* Public functions */ |
5664 | ||
c48d9f5f MK |
5665 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
5666 | { | |
5667 | zebra_l3vni_t *zl3vni = NULL; | |
5668 | ||
5669 | zl3vni = zl3vni_lookup(vni); | |
5670 | if (!zl3vni) | |
5671 | return 0; | |
5672 | ||
5673 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
5674 | } | |
5675 | ||
2dbad57f | 5676 | /* handle evpn route in vrf table */ |
996c9314 LB |
5677 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
5678 | struct ipaddr *vtep_ip, | |
5679 | struct prefix *host_prefix) | |
2dbad57f | 5680 | { |
5681 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 5682 | struct ipaddr ipv4_vtep; |
2dbad57f | 5683 | |
5684 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5685 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
5686 | return; | |
5687 | ||
3518f352 | 5688 | /* |
f50dc5e6 MK |
5689 | * add the next hop neighbor - |
5690 | * neigh to be installed is the ipv6 nexthop neigh | |
5691 | */ | |
3518f352 | 5692 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 5693 | |
f50dc5e6 MK |
5694 | /* |
5695 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
5696 | * address. Rmac is programmed against the ipv4 vtep because we only | |
5697 | * support ipv4 tunnels in the h/w right now | |
5698 | */ | |
5699 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
5700 | ipv4_vtep.ipa_type = IPADDR_V4; | |
5701 | if (vtep_ip->ipa_type == IPADDR_V6) | |
5702 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
5703 | &(ipv4_vtep.ipaddr_v4)); | |
5704 | else | |
5705 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
5706 | sizeof(struct in_addr)); | |
5707 | ||
3518f352 DS |
5708 | /* |
5709 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
5710 | * nexthop address |
5711 | */ | |
3518f352 | 5712 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 5713 | } |
5714 | ||
5715 | /* handle evpn vrf route delete */ | |
22e63104 | 5716 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
5717 | struct ipaddr *vtep_ip, |
5718 | struct prefix *host_prefix) | |
2dbad57f | 5719 | { |
5720 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 5721 | zebra_neigh_t *nh = NULL; |
5722 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 5723 | |
5724 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 5725 | if (!zl3vni) |
2dbad57f | 5726 | return; |
5727 | ||
22e63104 | 5728 | /* find the next hop entry and rmac entry */ |
5729 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
5730 | if (!nh) | |
5731 | return; | |
5732 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
5733 | ||
2dbad57f | 5734 | /* delete the next hop entry */ |
22e63104 | 5735 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 5736 | |
5737 | /* delete the rmac entry */ | |
22e63104 | 5738 | if (zrmac) |
5739 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
5740 | ||
2dbad57f | 5741 | } |
5742 | ||
996c9314 | 5743 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5744 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
5745 | { |
5746 | zebra_l3vni_t *zl3vni = NULL; | |
5747 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 5748 | json_object *json = NULL; |
9aa741ea | 5749 | |
316f4ca4 MK |
5750 | if (!is_evpn_enabled()) { |
5751 | if (use_json) | |
5752 | vty_out(vty, "{}\n"); | |
9aa741ea | 5753 | return; |
316f4ca4 MK |
5754 | } |
5755 | ||
5756 | if (use_json) | |
5757 | json = json_object_new_object(); | |
9aa741ea MK |
5758 | |
5759 | zl3vni = zl3vni_lookup(l3vni); | |
5760 | if (!zl3vni) { | |
316f4ca4 MK |
5761 | if (use_json) |
5762 | vty_out(vty, "{}\n"); | |
5763 | else | |
0437e105 | 5764 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); |
9aa741ea MK |
5765 | return; |
5766 | } | |
5767 | ||
5768 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5769 | if (!zrmac) { | |
316f4ca4 MK |
5770 | if (use_json) |
5771 | vty_out(vty, "{}\n"); | |
5772 | else | |
5773 | vty_out(vty, | |
0437e105 | 5774 | "%% Requested RMAC doesn't exist in L3-VNI %u", |
316f4ca4 | 5775 | l3vni); |
9aa741ea MK |
5776 | return; |
5777 | } | |
5778 | ||
316f4ca4 MK |
5779 | zl3vni_print_rmac(zrmac, vty, json); |
5780 | ||
5781 | if (use_json) { | |
5782 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5783 | json, JSON_C_TO_STRING_PRETTY)); | |
5784 | json_object_free(json); | |
5785 | } | |
9aa741ea | 5786 | } |
2dbad57f | 5787 | |
9f049418 | 5788 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
5789 | { |
5790 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 5791 | uint32_t num_rmacs; |
b7cfce93 MK |
5792 | struct rmac_walk_ctx wctx; |
5793 | json_object *json = NULL; | |
b7cfce93 MK |
5794 | |
5795 | if (!is_evpn_enabled()) | |
5796 | return; | |
5797 | ||
5798 | zl3vni = zl3vni_lookup(l3vni); | |
5799 | if (!zl3vni) { | |
5800 | if (use_json) | |
5801 | vty_out(vty, "{}\n"); | |
5802 | else | |
5803 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5804 | return; | |
5805 | } | |
5806 | num_rmacs = hashcount(zl3vni->rmac_table); | |
5807 | if (!num_rmacs) | |
5808 | return; | |
5809 | ||
75223c9e | 5810 | if (use_json) |
b7cfce93 | 5811 | json = json_object_new_object(); |
b7cfce93 MK |
5812 | |
5813 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
5814 | wctx.vty = vty; | |
75223c9e | 5815 | wctx.json = json; |
b7cfce93 | 5816 | if (!use_json) { |
996c9314 | 5817 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 5818 | num_rmacs); |
4cce389e | 5819 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
5820 | } else |
5821 | json_object_int_add(json, "numRmacs", num_rmacs); | |
5822 | ||
5823 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
5824 | ||
5825 | if (use_json) { | |
b7cfce93 MK |
5826 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5827 | json, JSON_C_TO_STRING_PRETTY)); | |
5828 | json_object_free(json); | |
5829 | } | |
5830 | } | |
5831 | ||
9f049418 | 5832 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5833 | { |
b7cfce93 | 5834 | json_object *json = NULL; |
c0b4eaa4 | 5835 | void *args[2]; |
b7cfce93 MK |
5836 | |
5837 | if (!is_evpn_enabled()) { | |
5838 | if (use_json) | |
5839 | vty_out(vty, "{}\n"); | |
5840 | return; | |
5841 | } | |
5842 | ||
b7cfce93 MK |
5843 | if (use_json) |
5844 | json = json_object_new_object(); | |
5845 | ||
c0b4eaa4 MK |
5846 | args[0] = vty; |
5847 | args[1] = json; | |
89272910 | 5848 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 5849 | (void (*)(struct hash_bucket *, |
c0b4eaa4 MK |
5850 | void *))zl3vni_print_rmac_hash_all_vni, |
5851 | args); | |
b7cfce93 MK |
5852 | |
5853 | if (use_json) { | |
5854 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5855 | json, JSON_C_TO_STRING_PRETTY)); | |
5856 | json_object_free(json); | |
5857 | } | |
5858 | } | |
5859 | ||
996c9314 | 5860 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5861 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
5862 | { |
5863 | zebra_l3vni_t *zl3vni = NULL; | |
5864 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 5865 | json_object *json = NULL; |
9aa741ea | 5866 | |
c0e519d3 MK |
5867 | if (!is_evpn_enabled()) { |
5868 | if (use_json) | |
5869 | vty_out(vty, "{}\n"); | |
9aa741ea | 5870 | return; |
c0e519d3 MK |
5871 | } |
5872 | ||
5873 | if (use_json) | |
5874 | json = json_object_new_object(); | |
9aa741ea MK |
5875 | |
5876 | zl3vni = zl3vni_lookup(l3vni); | |
5877 | if (!zl3vni) { | |
c0e519d3 MK |
5878 | if (use_json) |
5879 | vty_out(vty, "{}\n"); | |
5880 | else | |
5881 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
5882 | return; |
5883 | } | |
5884 | ||
5885 | n = zl3vni_nh_lookup(zl3vni, ip); | |
5886 | if (!n) { | |
c0e519d3 MK |
5887 | if (use_json) |
5888 | vty_out(vty, "{}\n"); | |
5889 | else | |
5890 | vty_out(vty, | |
5891 | "%% Requested next-hop not present for L3-VNI %u", | |
5892 | l3vni); | |
9aa741ea MK |
5893 | return; |
5894 | } | |
5895 | ||
c0e519d3 MK |
5896 | zl3vni_print_nh(n, vty, json); |
5897 | ||
5898 | if (use_json) { | |
5899 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5900 | json, JSON_C_TO_STRING_PRETTY)); | |
5901 | json_object_free(json); | |
5902 | } | |
9aa741ea MK |
5903 | } |
5904 | ||
9f049418 | 5905 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 5906 | { |
d7c0a89a | 5907 | uint32_t num_nh; |
2dbad57f | 5908 | struct nh_walk_ctx wctx; |
b7cfce93 | 5909 | json_object *json = NULL; |
b7cfce93 MK |
5910 | zebra_l3vni_t *zl3vni = NULL; |
5911 | ||
5912 | if (!is_evpn_enabled()) | |
5913 | return; | |
5914 | ||
5915 | zl3vni = zl3vni_lookup(l3vni); | |
5916 | if (!zl3vni) { | |
5917 | if (use_json) | |
5918 | vty_out(vty, "{}\n"); | |
5919 | else | |
5920 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5921 | return; | |
5922 | } | |
5923 | ||
5924 | num_nh = hashcount(zl3vni->nh_table); | |
5925 | if (!num_nh) | |
5926 | return; | |
5927 | ||
9187f600 | 5928 | if (use_json) |
b7cfce93 | 5929 | json = json_object_new_object(); |
b7cfce93 | 5930 | |
2dbad57f | 5931 | wctx.vty = vty; |
9187f600 | 5932 | wctx.json = json; |
b7cfce93 | 5933 | if (!use_json) { |
996c9314 | 5934 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 5935 | num_nh); |
4cce389e | 5936 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 5937 | } else |
4cce389e | 5938 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
5939 | |
5940 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
5941 | ||
5942 | if (use_json) { | |
b7cfce93 MK |
5943 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5944 | json, JSON_C_TO_STRING_PRETTY)); | |
5945 | json_object_free(json); | |
5946 | } | |
5947 | } | |
5948 | ||
9f049418 | 5949 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5950 | { |
2dbad57f | 5951 | json_object *json = NULL; |
32798965 | 5952 | void *args[2]; |
2dbad57f | 5953 | |
5954 | if (!is_evpn_enabled()) { | |
5955 | if (use_json) | |
5956 | vty_out(vty, "{}\n"); | |
5957 | return; | |
5958 | } | |
5959 | ||
2dbad57f | 5960 | if (use_json) |
5961 | json = json_object_new_object(); | |
5962 | ||
32798965 MK |
5963 | args[0] = vty; |
5964 | args[1] = json; | |
89272910 | 5965 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 5966 | (void (*)(struct hash_bucket *, |
32798965 MK |
5967 | void *))zl3vni_print_nh_hash_all_vni, |
5968 | args); | |
2dbad57f | 5969 | |
5970 | if (use_json) { | |
5971 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5972 | json, JSON_C_TO_STRING_PRETTY)); | |
5973 | json_object_free(json); | |
5974 | } | |
b7cfce93 MK |
5975 | } |
5976 | ||
5977 | /* | |
5978 | * Display L3 VNI information (VTY command handler). | |
5979 | */ | |
9f049418 | 5980 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
5981 | { |
5982 | void *args[2]; | |
5983 | json_object *json = NULL; | |
5984 | zebra_l3vni_t *zl3vni = NULL; | |
5985 | ||
b2ee5a13 MK |
5986 | if (!is_evpn_enabled()) { |
5987 | if (use_json) | |
5988 | vty_out(vty, "{}\n"); | |
b7cfce93 | 5989 | return; |
b2ee5a13 | 5990 | } |
b7cfce93 MK |
5991 | |
5992 | zl3vni = zl3vni_lookup(vni); | |
5993 | if (!zl3vni) { | |
5994 | if (use_json) | |
5995 | vty_out(vty, "{}\n"); | |
5996 | else | |
5997 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5998 | return; | |
5999 | } | |
6000 | ||
6001 | if (use_json) | |
6002 | json = json_object_new_object(); | |
6003 | ||
b2ee5a13 MK |
6004 | args[0] = vty; |
6005 | args[1] = json; | |
b7cfce93 MK |
6006 | zl3vni_print(zl3vni, (void *)args); |
6007 | ||
6008 | if (use_json) { | |
6009 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6010 | json, JSON_C_TO_STRING_PRETTY)); | |
6011 | json_object_free(json); | |
6012 | } | |
6013 | } | |
6014 | ||
4cce389e MK |
6015 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
6016 | json_object *json_vrfs) | |
b7cfce93 | 6017 | { |
4cce389e MK |
6018 | char buf[ETHER_ADDR_STRLEN]; |
6019 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 6020 | |
4cce389e MK |
6021 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
6022 | if (!zl3vni) | |
b7cfce93 | 6023 | return; |
b7cfce93 | 6024 | |
4cce389e MK |
6025 | if (!json_vrfs) { |
6026 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 6027 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 6028 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 6029 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 6030 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 6031 | } else { |
4cce389e | 6032 | json_object *json_vrf = NULL; |
9df2b997 | 6033 | |
4cce389e | 6034 | json_vrf = json_object_new_object(); |
996c9314 | 6035 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
6036 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
6037 | json_object_string_add(json_vrf, "vxlanIntf", | |
6038 | zl3vni_vxlan_if_name(zl3vni)); | |
6039 | json_object_string_add(json_vrf, "sviIntf", | |
6040 | zl3vni_svi_if_name(zl3vni)); | |
6041 | json_object_string_add(json_vrf, "state", | |
6042 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
6043 | json_object_string_add( |
6044 | json_vrf, "routerMac", | |
6045 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 6046 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
6047 | } |
6048 | } | |
6049 | ||
6050 | /* | |
6051 | * Display Neighbors for a VNI (VTY command handler). | |
6052 | */ | |
6053 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 6054 | vni_t vni, bool use_json) |
b7cfce93 MK |
6055 | { |
6056 | zebra_vni_t *zvni; | |
d7c0a89a | 6057 | uint32_t num_neigh; |
b7cfce93 MK |
6058 | struct neigh_walk_ctx wctx; |
6059 | json_object *json = NULL; | |
6060 | ||
6061 | if (!is_evpn_enabled()) | |
6062 | return; | |
6063 | zvni = zvni_lookup(vni); | |
6064 | if (!zvni) { | |
6065 | if (use_json) | |
6066 | vty_out(vty, "{}\n"); | |
6067 | else | |
6068 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6069 | return; | |
6070 | } | |
6071 | num_neigh = hashcount(zvni->neigh_table); | |
6072 | if (!num_neigh) | |
6073 | return; | |
6074 | ||
6075 | if (use_json) | |
6076 | json = json_object_new_object(); | |
6077 | ||
6078 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6079 | * size, we try to be a bit more elegant in display by first computing | |
6080 | * the maximum width. | |
6081 | */ | |
6082 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6083 | wctx.zvni = zvni; | |
6084 | wctx.vty = vty; | |
6085 | wctx.addr_width = 15; | |
6086 | wctx.json = json; | |
6087 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6088 | ||
6089 | if (!use_json) { | |
6090 | vty_out(vty, | |
6091 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6092 | num_neigh); | |
1a8c5c38 | 6093 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
6094 | -wctx.addr_width, "IP", "Type", | |
6095 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
6096 | } else |
6097 | json_object_int_add(json, "numArpNd", num_neigh); | |
6098 | ||
6099 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
6100 | if (use_json) { | |
6101 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6102 | json, JSON_C_TO_STRING_PRETTY)); | |
6103 | json_object_free(json); | |
6104 | } | |
6105 | } | |
6106 | ||
6107 | /* | |
6108 | * Display neighbors across all VNIs (VTY command handler). | |
6109 | */ | |
6110 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
1374d4db | 6111 | bool print_dup, bool use_json) |
b7cfce93 MK |
6112 | { |
6113 | json_object *json = NULL; | |
1374d4db | 6114 | void *args[3]; |
b7cfce93 MK |
6115 | |
6116 | if (!is_evpn_enabled()) | |
6117 | return; | |
6118 | ||
6119 | if (use_json) | |
6120 | json = json_object_new_object(); | |
6121 | ||
6122 | args[0] = vty; | |
6123 | args[1] = json; | |
1374d4db CS |
6124 | args[2] = (void *)(ptrdiff_t)print_dup; |
6125 | ||
b7cfce93 | 6126 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 6127 | (void (*)(struct hash_bucket *, |
b7cfce93 MK |
6128 | void *))zvni_print_neigh_hash_all_vni, |
6129 | args); | |
6130 | if (use_json) { | |
6131 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6132 | json, JSON_C_TO_STRING_PRETTY)); | |
6133 | json_object_free(json); | |
6134 | } | |
6135 | } | |
6136 | ||
e3fac919 NS |
6137 | /* |
6138 | * Display neighbors across all VNIs in detail(VTY command handler). | |
6139 | */ | |
6140 | void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty, | |
6141 | struct zebra_vrf *zvrf, | |
6142 | bool print_dup, bool use_json) | |
6143 | { | |
6144 | json_object *json = NULL; | |
6145 | void *args[3]; | |
6146 | ||
6147 | if (!is_evpn_enabled()) | |
6148 | return; | |
6149 | ||
6150 | if (use_json) | |
6151 | json = json_object_new_object(); | |
6152 | ||
6153 | args[0] = vty; | |
6154 | args[1] = json; | |
6155 | args[2] = (void *)(ptrdiff_t)print_dup; | |
6156 | ||
6157 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 6158 | (void (*)(struct hash_bucket *, |
e3fac919 NS |
6159 | void *))zvni_print_neigh_hash_all_vni_detail, |
6160 | args); | |
6161 | if (use_json) { | |
6162 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6163 | json, JSON_C_TO_STRING_PRETTY)); | |
6164 | json_object_free(json); | |
6165 | } | |
6166 | } | |
6167 | ||
b7cfce93 MK |
6168 | /* |
6169 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
6170 | */ | |
6171 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
6172 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 6173 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
6174 | { |
6175 | zebra_vni_t *zvni; | |
6176 | zebra_neigh_t *n; | |
6177 | json_object *json = NULL; | |
6178 | ||
6179 | if (!is_evpn_enabled()) | |
6180 | return; | |
6181 | zvni = zvni_lookup(vni); | |
6182 | if (!zvni) { | |
6183 | if (use_json) | |
cd233079 CS |
6184 | vty_out(vty, "{}\n"); |
6185 | else | |
6186 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6187 | return; |
6188 | } | |
6189 | n = zvni_neigh_lookup(zvni, ip); | |
6190 | if (!n) { | |
cd233079 CS |
6191 | if (!use_json) |
6192 | vty_out(vty, | |
6193 | "%% Requested neighbor does not exist in VNI %u\n", | |
6194 | vni); | |
d62a17ae | 6195 | return; |
6196 | } | |
cd233079 CS |
6197 | if (use_json) |
6198 | json = json_object_new_object(); | |
6199 | ||
6200 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 6201 | |
cd233079 CS |
6202 | if (use_json) { |
6203 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6204 | json, JSON_C_TO_STRING_PRETTY)); | |
6205 | json_object_free(json); | |
6206 | } | |
cec2e17d | 6207 | } |
6208 | ||
6209 | /* | |
6210 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
6211 | * By definition, these are remote neighbors. | |
6212 | */ | |
d62a17ae | 6213 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 6214 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 6215 | bool use_json) |
cec2e17d | 6216 | { |
d62a17ae | 6217 | zebra_vni_t *zvni; |
d7c0a89a | 6218 | uint32_t num_neigh; |
d62a17ae | 6219 | struct neigh_walk_ctx wctx; |
cd233079 | 6220 | json_object *json = NULL; |
cec2e17d | 6221 | |
2853fed6 | 6222 | if (!is_evpn_enabled()) |
d62a17ae | 6223 | return; |
2853fed6 | 6224 | zvni = zvni_lookup(vni); |
d62a17ae | 6225 | if (!zvni) { |
cd233079 CS |
6226 | if (use_json) |
6227 | vty_out(vty, "{}\n"); | |
6228 | else | |
6229 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6230 | return; |
6231 | } | |
6232 | num_neigh = hashcount(zvni->neigh_table); | |
6233 | if (!num_neigh) | |
6234 | return; | |
cec2e17d | 6235 | |
d62a17ae | 6236 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
6237 | wctx.zvni = zvni; | |
6238 | wctx.vty = vty; | |
68e33151 | 6239 | wctx.addr_width = 15; |
d62a17ae | 6240 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
6241 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6242 | wctx.json = json; |
68e33151 | 6243 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 6244 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
6245 | |
6246 | if (use_json) { | |
6247 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6248 | json, JSON_C_TO_STRING_PRETTY)); | |
6249 | json_object_free(json); | |
6250 | } | |
cec2e17d | 6251 | } |
6252 | ||
1374d4db CS |
6253 | /* |
6254 | * Display Duplicate detected Neighbors for a VNI | |
6255 | * (VTY command handler). | |
6256 | */ | |
6257 | void zebra_vxlan_print_neigh_vni_dad(struct vty *vty, | |
6258 | struct zebra_vrf *zvrf, | |
6259 | vni_t vni, | |
6260 | bool use_json) | |
6261 | { | |
6262 | zebra_vni_t *zvni; | |
6263 | uint32_t num_neigh; | |
6264 | struct neigh_walk_ctx wctx; | |
6265 | json_object *json = NULL; | |
6266 | ||
6267 | if (!is_evpn_enabled()) | |
6268 | return; | |
6269 | ||
6270 | zvni = zvni_lookup(vni); | |
6271 | if (!zvni) { | |
6272 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6273 | return; | |
6274 | } | |
6275 | ||
6276 | num_neigh = hashcount(zvni->neigh_table); | |
6277 | if (!num_neigh) | |
6278 | return; | |
6279 | ||
6280 | num_neigh = num_dup_detected_neighs(zvni); | |
6281 | if (!num_neigh) | |
6282 | return; | |
6283 | ||
6284 | if (use_json) | |
6285 | json = json_object_new_object(); | |
6286 | ||
6287 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6288 | * size, we try to be a bit more elegant in display by first computing | |
6289 | * the maximum width. | |
6290 | */ | |
6291 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6292 | wctx.zvni = zvni; | |
6293 | wctx.vty = vty; | |
6294 | wctx.addr_width = 15; | |
6295 | wctx.json = json; | |
6296 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6297 | ||
6298 | if (!use_json) { | |
6299 | vty_out(vty, | |
6300 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6301 | num_neigh); | |
6302 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
6303 | -wctx.addr_width, "IP", "Type", | |
6304 | "State", "MAC", "Remote VTEP"); | |
6305 | } else | |
6306 | json_object_int_add(json, "numArpNd", num_neigh); | |
6307 | ||
6308 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, &wctx); | |
6309 | ||
6310 | if (use_json) { | |
6311 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6312 | json, JSON_C_TO_STRING_PRETTY)); | |
6313 | json_object_free(json); | |
6314 | } | |
6315 | } | |
6316 | ||
cec2e17d | 6317 | /* |
6318 | * Display MACs for a VNI (VTY command handler). | |
6319 | */ | |
d62a17ae | 6320 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 6321 | vni_t vni, bool use_json) |
cec2e17d | 6322 | { |
d62a17ae | 6323 | zebra_vni_t *zvni; |
d7c0a89a | 6324 | uint32_t num_macs; |
d62a17ae | 6325 | struct mac_walk_ctx wctx; |
cd233079 CS |
6326 | json_object *json = NULL; |
6327 | json_object *json_mac = NULL; | |
cec2e17d | 6328 | |
2853fed6 | 6329 | if (!is_evpn_enabled()) |
d62a17ae | 6330 | return; |
2853fed6 | 6331 | zvni = zvni_lookup(vni); |
d62a17ae | 6332 | if (!zvni) { |
cd233079 CS |
6333 | if (use_json) |
6334 | vty_out(vty, "{}\n"); | |
6335 | else | |
6336 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6337 | return; |
6338 | } | |
790f8dc5 | 6339 | num_macs = num_valid_macs(zvni); |
d62a17ae | 6340 | if (!num_macs) |
6341 | return; | |
cec2e17d | 6342 | |
cd233079 CS |
6343 | if (use_json) { |
6344 | json = json_object_new_object(); | |
6345 | json_mac = json_object_new_object(); | |
6346 | } | |
6347 | ||
d62a17ae | 6348 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6349 | wctx.zvni = zvni; | |
6350 | wctx.vty = vty; | |
cd233079 | 6351 | wctx.json = json_mac; |
cec2e17d | 6352 | |
cd233079 CS |
6353 | if (!use_json) { |
6354 | vty_out(vty, | |
6355 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6356 | num_macs); | |
6357 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
6358 | "Intf/Remote VTEP", "VLAN"); | |
6359 | } else | |
6360 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 6361 | |
d62a17ae | 6362 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
6363 | |
6364 | if (use_json) { | |
6365 | json_object_object_add(json, "macs", json_mac); | |
6366 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6367 | json, JSON_C_TO_STRING_PRETTY)); | |
6368 | json_object_free(json); | |
6369 | } | |
cec2e17d | 6370 | } |
6371 | ||
6372 | /* | |
6373 | * Display MACs for all VNIs (VTY command handler). | |
6374 | */ | |
cd233079 | 6375 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
1374d4db | 6376 | bool print_dup, bool use_json) |
cec2e17d | 6377 | { |
d62a17ae | 6378 | struct mac_walk_ctx wctx; |
cd233079 | 6379 | json_object *json = NULL; |
cec2e17d | 6380 | |
2853fed6 | 6381 | if (!is_evpn_enabled()) { |
cd233079 CS |
6382 | if (use_json) |
6383 | vty_out(vty, "{}\n"); | |
d62a17ae | 6384 | return; |
cd233079 CS |
6385 | } |
6386 | if (use_json) | |
6387 | json = json_object_new_object(); | |
6388 | ||
d62a17ae | 6389 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6390 | wctx.vty = vty; | |
cd233079 | 6391 | wctx.json = json; |
1374d4db | 6392 | wctx.print_dup = print_dup; |
d62a17ae | 6393 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6394 | |
6395 | if (use_json) { | |
6396 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6397 | json, JSON_C_TO_STRING_PRETTY)); | |
6398 | json_object_free(json); | |
6399 | } | |
cec2e17d | 6400 | } |
6401 | ||
cffe7580 NS |
6402 | /* |
6403 | * Display MACs in detail for all VNIs (VTY command handler). | |
6404 | */ | |
6405 | void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty, | |
6406 | struct zebra_vrf *zvrf, | |
6407 | bool print_dup, bool use_json) | |
6408 | { | |
6409 | struct mac_walk_ctx wctx; | |
6410 | json_object *json = NULL; | |
6411 | ||
6412 | if (!is_evpn_enabled()) { | |
6413 | if (use_json) | |
6414 | vty_out(vty, "{}\n"); | |
6415 | return; | |
6416 | } | |
6417 | if (use_json) | |
6418 | json = json_object_new_object(); | |
6419 | ||
6420 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6421 | wctx.vty = vty; | |
6422 | wctx.json = json; | |
6423 | wctx.print_dup = print_dup; | |
6424 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni_detail, | |
6425 | &wctx); | |
6426 | ||
6427 | if (use_json) { | |
6428 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6429 | json, JSON_C_TO_STRING_PRETTY)); | |
6430 | json_object_free(json); | |
6431 | } | |
6432 | } | |
6433 | ||
cec2e17d | 6434 | /* |
6435 | * Display MACs for all VNIs (VTY command handler). | |
6436 | */ | |
d62a17ae | 6437 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
6438 | struct zebra_vrf *zvrf, | |
9f049418 | 6439 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 6440 | { |
d62a17ae | 6441 | struct mac_walk_ctx wctx; |
cd233079 | 6442 | json_object *json = NULL; |
cec2e17d | 6443 | |
2853fed6 | 6444 | if (!is_evpn_enabled()) |
d62a17ae | 6445 | return; |
cd233079 CS |
6446 | |
6447 | if (use_json) | |
6448 | json = json_object_new_object(); | |
6449 | ||
d62a17ae | 6450 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6451 | wctx.vty = vty; | |
6452 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
6453 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6454 | wctx.json = json; |
d62a17ae | 6455 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6456 | |
6457 | if (use_json) { | |
6458 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6459 | json, JSON_C_TO_STRING_PRETTY)); | |
6460 | json_object_free(json); | |
6461 | } | |
cec2e17d | 6462 | } |
6463 | ||
6464 | /* | |
6465 | * Display specific MAC for a VNI, if present (VTY command handler). | |
6466 | */ | |
d62a17ae | 6467 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
24cdbd0d DS |
6468 | vni_t vni, struct ethaddr *macaddr, |
6469 | bool use_json) | |
cec2e17d | 6470 | { |
d62a17ae | 6471 | zebra_vni_t *zvni; |
6472 | zebra_mac_t *mac; | |
24cdbd0d | 6473 | json_object *json = NULL; |
cec2e17d | 6474 | |
2853fed6 | 6475 | if (!is_evpn_enabled()) |
d62a17ae | 6476 | return; |
24cdbd0d | 6477 | |
2853fed6 | 6478 | zvni = zvni_lookup(vni); |
d62a17ae | 6479 | if (!zvni) { |
24cdbd0d DS |
6480 | if (use_json) |
6481 | vty_out(vty, "{}\n"); | |
6482 | else | |
6483 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6484 | return; |
6485 | } | |
6486 | mac = zvni_mac_lookup(zvni, macaddr); | |
6487 | if (!mac) { | |
24cdbd0d DS |
6488 | if (use_json) |
6489 | vty_out(vty, "{}\n"); | |
6490 | else | |
6491 | vty_out(vty, | |
6492 | "%% Requested MAC does not exist in VNI %u\n", | |
6493 | vni); | |
d62a17ae | 6494 | return; |
6495 | } | |
cec2e17d | 6496 | |
24cdbd0d DS |
6497 | if (use_json) |
6498 | json = json_object_new_object(); | |
6499 | ||
6500 | zvni_print_mac(mac, vty, json); | |
cffe7580 NS |
6501 | if (use_json) { |
6502 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6503 | json, JSON_C_TO_STRING_PRETTY)); | |
6504 | json_object_free(json); | |
6505 | } | |
cec2e17d | 6506 | } |
6507 | ||
1374d4db CS |
6508 | /* Print Duplicate MACs per VNI */ |
6509 | void zebra_vxlan_print_macs_vni_dad(struct vty *vty, | |
6510 | struct zebra_vrf *zvrf, | |
6511 | vni_t vni, bool use_json) | |
6512 | { | |
6513 | zebra_vni_t *zvni; | |
6514 | struct mac_walk_ctx wctx; | |
6515 | uint32_t num_macs; | |
6516 | json_object *json = NULL; | |
6517 | json_object *json_mac = NULL; | |
6518 | ||
6519 | if (!is_evpn_enabled()) | |
6520 | return; | |
6521 | ||
6522 | zvni = zvni_lookup(vni); | |
6523 | if (!zvni) { | |
6524 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6525 | return; | |
6526 | } | |
6527 | ||
6528 | num_macs = num_valid_macs(zvni); | |
6529 | if (!num_macs) | |
6530 | return; | |
6531 | ||
6532 | num_macs = num_dup_detected_macs(zvni); | |
6533 | if (!num_macs) | |
6534 | return; | |
6535 | ||
6536 | if (use_json) { | |
6537 | json = json_object_new_object(); | |
6538 | json_mac = json_object_new_object(); | |
6539 | } | |
6540 | ||
6541 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6542 | wctx.zvni = zvni; | |
6543 | wctx.vty = vty; | |
6544 | wctx.json = json_mac; | |
6545 | ||
6546 | if (!use_json) { | |
6547 | vty_out(vty, | |
6548 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6549 | num_macs); | |
6550 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
6551 | "Intf/Remote VTEP", "VLAN"); | |
6552 | } else | |
6553 | json_object_int_add(json, "numMacs", num_macs); | |
6554 | ||
6555 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, &wctx); | |
6556 | ||
6557 | if (use_json) { | |
6558 | json_object_object_add(json, "macs", json_mac); | |
6559 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6560 | json, JSON_C_TO_STRING_PRETTY)); | |
6561 | json_object_free(json); | |
6562 | } | |
6563 | ||
6564 | } | |
6565 | ||
1883de66 CS |
6566 | int zebra_vxlan_clear_dup_detect_vni_mac(struct vty *vty, |
6567 | struct zebra_vrf *zvrf, | |
6568 | vni_t vni, struct ethaddr *macaddr) | |
09de9258 CS |
6569 | { |
6570 | zebra_vni_t *zvni; | |
6571 | zebra_mac_t *mac; | |
6572 | struct listnode *node = NULL; | |
6573 | zebra_neigh_t *nbr = NULL; | |
6574 | ||
6575 | if (!is_evpn_enabled()) | |
1883de66 CS |
6576 | return CMD_SUCCESS; |
6577 | ||
09de9258 CS |
6578 | zvni = zvni_lookup(vni); |
6579 | if (!zvni) { | |
6580 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6581 | return CMD_WARNING; |
09de9258 CS |
6582 | } |
6583 | ||
6584 | mac = zvni_mac_lookup(zvni, macaddr); | |
6585 | if (!mac) { | |
6586 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
6587 | vni); | |
1883de66 | 6588 | return CMD_WARNING; |
09de9258 CS |
6589 | } |
6590 | ||
6591 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
6592 | vty_out(vty, "%% Requested MAC is not duplicate detected\n"); | |
1883de66 | 6593 | return CMD_WARNING; |
09de9258 CS |
6594 | } |
6595 | ||
6596 | /* Remove all IPs as duplicate associcated with this MAC */ | |
6597 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
6598 | /* For local neigh mark inactive so MACIP update is generated | |
6599 | * to BGP. This is a scenario where MAC update received | |
6600 | * and detected as duplicate which marked neigh as duplicate. | |
6601 | * Later local neigh update did not get a chance to relay | |
6602 | * to BGP. Similarly remote macip update, neigh needs to be | |
6603 | * installed locally. | |
6604 | */ | |
d4199657 CS |
6605 | if (zvrf->dad_freeze && |
6606 | CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
09de9258 CS |
6607 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
6608 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
6609 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
6610 | zvni_neigh_install(zvni, nbr); | |
6611 | } | |
6612 | ||
6613 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6614 | nbr->dad_count = 0; | |
6615 | nbr->detect_start_time.tv_sec = 0; | |
6616 | nbr->dad_dup_detect_time = 0; | |
6617 | } | |
6618 | ||
6619 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
6620 | mac->dad_count = 0; | |
6621 | mac->detect_start_time.tv_sec = 0; | |
6622 | mac->detect_start_time.tv_usec = 0; | |
6623 | mac->dad_dup_detect_time = 0; | |
6624 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
6625 | ||
d4199657 CS |
6626 | /* warn-only action return */ |
6627 | if (!zvrf->dad_freeze) | |
6628 | return CMD_SUCCESS; | |
6629 | ||
09de9258 CS |
6630 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ |
6631 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6632 | /* Inform to BGP */ | |
6633 | if (zvni_mac_send_add_to_client(zvni->vni, | |
6634 | &mac->macaddr, | |
6635 | mac->flags, | |
6636 | mac->loc_seq)) | |
1883de66 | 6637 | return CMD_SUCCESS; |
09de9258 CS |
6638 | |
6639 | /* Process all neighbors associated with this MAC. */ | |
6640 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6641 | ||
6642 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
6643 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
6644 | ||
6645 | /* Install the entry. */ | |
6646 | zvni_mac_install(zvni, mac); | |
6647 | } | |
6648 | ||
1883de66 | 6649 | return CMD_SUCCESS; |
09de9258 CS |
6650 | } |
6651 | ||
1883de66 CS |
6652 | int zebra_vxlan_clear_dup_detect_vni_ip(struct vty *vty, |
6653 | struct zebra_vrf *zvrf, | |
6654 | vni_t vni, struct ipaddr *ip) | |
09de9258 CS |
6655 | { |
6656 | zebra_vni_t *zvni; | |
6657 | zebra_neigh_t *nbr; | |
6658 | zebra_mac_t *mac; | |
6659 | char buf[INET6_ADDRSTRLEN]; | |
6660 | char buf2[ETHER_ADDR_STRLEN]; | |
6661 | ||
6662 | if (!is_evpn_enabled()) | |
1883de66 | 6663 | return CMD_SUCCESS; |
09de9258 CS |
6664 | |
6665 | zvni = zvni_lookup(vni); | |
6666 | if (!zvni) { | |
6667 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6668 | return CMD_WARNING; |
09de9258 CS |
6669 | } |
6670 | ||
6671 | nbr = zvni_neigh_lookup(zvni, ip); | |
6672 | if (!nbr) { | |
6673 | vty_out(vty, | |
6674 | "%% Requested host IP does not exist in VNI %u\n", | |
6675 | vni); | |
1883de66 | 6676 | return CMD_WARNING; |
09de9258 CS |
6677 | } |
6678 | ||
6679 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
6680 | ||
6681 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
6682 | vty_out(vty, | |
6683 | "%% Requsted host IP %s is not duplicate detected\n", | |
6684 | buf); | |
1883de66 | 6685 | return CMD_WARNING; |
09de9258 CS |
6686 | } |
6687 | ||
6688 | mac = zvni_mac_lookup(zvni, &nbr->emac); | |
6689 | ||
6690 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
6691 | vty_out(vty, | |
6692 | "%% Requested IP's associated MAC %s is still in duplicate state\n", | |
6693 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2))); | |
1883de66 | 6694 | return CMD_WARNING_CONFIG_FAILED; |
09de9258 CS |
6695 | } |
6696 | ||
6697 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6698 | zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u", | |
6699 | __PRETTY_FUNCTION__, buf, nbr->flags, | |
6700 | nbr->loc_seq); | |
6701 | ||
6702 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6703 | nbr->dad_count = 0; | |
6704 | nbr->detect_start_time.tv_sec = 0; | |
6705 | nbr->detect_start_time.tv_usec = 0; | |
6706 | nbr->dad_dup_detect_time = 0; | |
6707 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
6708 | ||
6709 | if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
6710 | zvni_neigh_send_add_to_client(zvni->vni, ip, | |
6711 | &nbr->emac, | |
6712 | nbr->flags, nbr->loc_seq); | |
6713 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
6714 | zvni_neigh_install(zvni, nbr); | |
6715 | } | |
6716 | ||
1883de66 | 6717 | return CMD_SUCCESS; |
09de9258 CS |
6718 | } |
6719 | ||
e3b78da8 | 6720 | static void zvni_clear_dup_mac_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
6721 | { |
6722 | struct mac_walk_ctx *wctx = ctxt; | |
6723 | zebra_mac_t *mac; | |
6724 | zebra_vni_t *zvni; | |
6725 | struct listnode *node = NULL; | |
6726 | zebra_neigh_t *nbr = NULL; | |
6727 | ||
e3b78da8 | 6728 | mac = (zebra_mac_t *)bucket->data; |
09de9258 CS |
6729 | if (!mac) |
6730 | return; | |
6731 | ||
6732 | zvni = wctx->zvni; | |
6733 | ||
6734 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
6735 | return; | |
6736 | ||
6737 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
6738 | mac->dad_count = 0; | |
6739 | mac->detect_start_time.tv_sec = 0; | |
6740 | mac->detect_start_time.tv_usec = 0; | |
6741 | mac->dad_dup_detect_time = 0; | |
6742 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
6743 | ||
6744 | /* Remove all IPs as duplicate associcated with this MAC */ | |
6745 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
6746 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) | |
6747 | && nbr->dad_count) | |
6748 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
6749 | ||
6750 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6751 | nbr->dad_count = 0; | |
6752 | nbr->detect_start_time.tv_sec = 0; | |
6753 | nbr->dad_dup_detect_time = 0; | |
6754 | } | |
6755 | ||
6756 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ | |
6757 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6758 | /* Inform to BGP */ | |
6759 | if (zvni_mac_send_add_to_client(zvni->vni, | |
6760 | &mac->macaddr, | |
6761 | mac->flags, mac->loc_seq)) | |
6762 | return; | |
6763 | ||
6764 | /* Process all neighbors associated with this MAC. */ | |
6765 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6766 | ||
6767 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
6768 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
6769 | ||
6770 | /* Install the entry. */ | |
6771 | zvni_mac_install(zvni, mac); | |
6772 | } | |
6773 | } | |
6774 | ||
e3b78da8 | 6775 | static void zvni_clear_dup_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
6776 | { |
6777 | struct neigh_walk_ctx *wctx = ctxt; | |
6778 | zebra_neigh_t *nbr; | |
6779 | zebra_vni_t *zvni; | |
6780 | char buf[INET6_ADDRSTRLEN]; | |
6781 | ||
e3b78da8 | 6782 | nbr = (zebra_neigh_t *)bucket->data; |
09de9258 CS |
6783 | if (!nbr) |
6784 | return; | |
6785 | ||
6786 | zvni = wctx->zvni; | |
6787 | ||
6788 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
6789 | return; | |
6790 | ||
6791 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
6792 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
6793 | zlog_debug( | |
6794 | "%s: clear neigh %s dup state, flags 0x%x seq %u", | |
6795 | __PRETTY_FUNCTION__, buf, | |
6796 | nbr->flags, nbr->loc_seq); | |
6797 | } | |
6798 | ||
6799 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6800 | nbr->dad_count = 0; | |
6801 | nbr->detect_start_time.tv_sec = 0; | |
6802 | nbr->detect_start_time.tv_usec = 0; | |
6803 | nbr->dad_dup_detect_time = 0; | |
6804 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
6805 | ||
6806 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
6807 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, | |
6808 | &nbr->emac, | |
6809 | nbr->flags, nbr->loc_seq); | |
6810 | } else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
6811 | zvni_neigh_install(zvni, nbr); | |
6812 | } | |
6813 | } | |
6814 | ||
e3b78da8 | 6815 | static void zvni_clear_dup_detect_hash_vni_all(struct hash_bucket *bucket, |
09de9258 CS |
6816 | void **args) |
6817 | { | |
6818 | struct vty *vty; | |
6819 | zebra_vni_t *zvni; | |
6820 | struct zebra_vrf *zvrf; | |
6821 | struct mac_walk_ctx m_wctx; | |
6822 | struct neigh_walk_ctx n_wctx; | |
6823 | ||
e3b78da8 | 6824 | zvni = (zebra_vni_t *)bucket->data; |
09de9258 CS |
6825 | if (!zvni) |
6826 | return; | |
6827 | ||
6828 | vty = (struct vty *)args[0]; | |
6829 | zvrf = (struct zebra_vrf *)args[1]; | |
6830 | ||
6831 | if (hashcount(zvni->neigh_table)) { | |
6832 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6833 | n_wctx.vty = vty; | |
6834 | n_wctx.zvni = zvni; | |
6835 | n_wctx.zvrf = zvrf; | |
6836 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
6837 | &n_wctx); | |
6838 | } | |
6839 | ||
6840 | if (num_valid_macs(zvni)) { | |
6841 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6842 | m_wctx.zvni = zvni; | |
6843 | m_wctx.vty = vty; | |
6844 | m_wctx.zvrf = zvrf; | |
6845 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
6846 | } | |
6847 | ||
6848 | } | |
6849 | ||
1883de66 | 6850 | int zebra_vxlan_clear_dup_detect_vni_all(struct vty *vty, |
09de9258 CS |
6851 | struct zebra_vrf *zvrf) |
6852 | { | |
6853 | void *args[2]; | |
6854 | ||
6855 | if (!is_evpn_enabled()) | |
1883de66 | 6856 | return CMD_SUCCESS; |
09de9258 CS |
6857 | |
6858 | args[0] = vty; | |
6859 | args[1] = zvrf; | |
6860 | ||
6861 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 6862 | (void (*)(struct hash_bucket *, void *)) |
09de9258 CS |
6863 | zvni_clear_dup_detect_hash_vni_all, args); |
6864 | ||
1883de66 | 6865 | return CMD_SUCCESS; |
09de9258 CS |
6866 | } |
6867 | ||
1883de66 | 6868 | int zebra_vxlan_clear_dup_detect_vni(struct vty *vty, |
09de9258 CS |
6869 | struct zebra_vrf *zvrf, |
6870 | vni_t vni) | |
6871 | { | |
6872 | zebra_vni_t *zvni; | |
6873 | struct mac_walk_ctx m_wctx; | |
6874 | struct neigh_walk_ctx n_wctx; | |
6875 | ||
6876 | if (!is_evpn_enabled()) | |
1883de66 | 6877 | return CMD_SUCCESS; |
09de9258 CS |
6878 | |
6879 | zvni = zvni_lookup(vni); | |
6880 | if (!zvni) { | |
6881 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6882 | return CMD_WARNING; |
09de9258 CS |
6883 | } |
6884 | ||
6885 | if (hashcount(zvni->neigh_table)) { | |
6886 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6887 | n_wctx.vty = vty; | |
6888 | n_wctx.zvni = zvni; | |
6889 | n_wctx.zvrf = zvrf; | |
6890 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
6891 | &n_wctx); | |
6892 | } | |
6893 | ||
6894 | if (num_valid_macs(zvni)) { | |
6895 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6896 | m_wctx.zvni = zvni; | |
6897 | m_wctx.vty = vty; | |
6898 | m_wctx.zvrf = zvrf; | |
6899 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
6900 | } | |
6901 | ||
1883de66 | 6902 | return CMD_SUCCESS; |
09de9258 CS |
6903 | } |
6904 | ||
cec2e17d | 6905 | /* |
6906 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
6907 | */ | |
d62a17ae | 6908 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 6909 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 6910 | bool use_json) |
cec2e17d | 6911 | { |
d62a17ae | 6912 | zebra_vni_t *zvni; |
d7c0a89a | 6913 | uint32_t num_macs; |
d62a17ae | 6914 | struct mac_walk_ctx wctx; |
cd233079 CS |
6915 | json_object *json = NULL; |
6916 | json_object *json_mac = NULL; | |
cec2e17d | 6917 | |
2853fed6 | 6918 | if (!is_evpn_enabled()) |
d62a17ae | 6919 | return; |
2853fed6 | 6920 | zvni = zvni_lookup(vni); |
d62a17ae | 6921 | if (!zvni) { |
cd233079 CS |
6922 | if (use_json) |
6923 | vty_out(vty, "{}\n"); | |
6924 | else | |
6925 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6926 | return; |
6927 | } | |
790f8dc5 | 6928 | num_macs = num_valid_macs(zvni); |
d62a17ae | 6929 | if (!num_macs) |
6930 | return; | |
cd233079 CS |
6931 | |
6932 | if (use_json) { | |
6933 | json = json_object_new_object(); | |
6934 | json_mac = json_object_new_object(); | |
6935 | } | |
6936 | ||
d62a17ae | 6937 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6938 | wctx.zvni = zvni; | |
6939 | wctx.vty = vty; | |
6940 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
6941 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6942 | wctx.json = json_mac; |
d62a17ae | 6943 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
6944 | |
6945 | if (use_json) { | |
6946 | json_object_int_add(json, "numMacs", wctx.count); | |
6947 | if (wctx.count) | |
6948 | json_object_object_add(json, "macs", json_mac); | |
6949 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6950 | json, JSON_C_TO_STRING_PRETTY)); | |
6951 | json_object_free(json); | |
6952 | } | |
cec2e17d | 6953 | } |
6954 | ||
6955 | ||
6956 | /* | |
6957 | * Display VNI information (VTY command handler). | |
6958 | */ | |
cd233079 | 6959 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 6960 | bool use_json) |
cec2e17d | 6961 | { |
cd233079 CS |
6962 | json_object *json = NULL; |
6963 | void *args[2]; | |
1f2129ec | 6964 | zebra_l3vni_t *zl3vni = NULL; |
6965 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 6966 | |
2853fed6 | 6967 | if (!is_evpn_enabled()) |
d62a17ae | 6968 | return; |
4cce389e | 6969 | |
cd233079 CS |
6970 | if (use_json) |
6971 | json = json_object_new_object(); | |
6972 | args[0] = vty; | |
6973 | args[1] = json; | |
4cce389e | 6974 | |
1f2129ec | 6975 | zl3vni = zl3vni_lookup(vni); |
6976 | if (zl3vni) { | |
4cce389e MK |
6977 | zl3vni_print(zl3vni, (void *)args); |
6978 | } else { | |
4cce389e MK |
6979 | zvni = zvni_lookup(vni); |
6980 | if (!zvni) { | |
6981 | if (use_json) | |
6982 | vty_out(vty, "{}\n"); | |
6983 | else | |
6984 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6985 | return; | |
6986 | } | |
6987 | ||
6988 | zvni_print(zvni, (void *)args); | |
6989 | } | |
6990 | ||
cd233079 CS |
6991 | if (use_json) { |
6992 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6993 | json, JSON_C_TO_STRING_PRETTY)); | |
6994 | json_object_free(json); | |
6995 | } | |
cec2e17d | 6996 | } |
6997 | ||
4cce389e | 6998 | /* Display all global details for EVPN */ |
088f1098 | 6999 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 7000 | { |
4cce389e MK |
7001 | int num_l2vnis = 0; |
7002 | int num_l3vnis = 0; | |
d4454626 | 7003 | int num_vnis = 0; |
cd233079 | 7004 | json_object *json = NULL; |
4cce389e | 7005 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 7006 | |
2853fed6 | 7007 | if (!is_evpn_enabled()) |
d62a17ae | 7008 | return; |
4cce389e | 7009 | |
530db8dc | 7010 | zvrf = zebra_vrf_get_evpn(); |
4cce389e MK |
7011 | if (!zvrf) |
7012 | return; | |
7013 | ||
89272910 | 7014 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 7015 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 7016 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
7017 | |
7018 | if (uj) { | |
cd233079 | 7019 | json = json_object_new_object(); |
ddd16ed5 MK |
7020 | json_object_string_add(json, "advertiseGatewayMacip", |
7021 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 7022 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
7023 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
7024 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
61d46eda CS |
7025 | if (zvrf->dup_addr_detect) |
7026 | json_object_boolean_true_add(json, | |
7027 | "isDuplicateAddrDetection"); | |
7028 | else | |
7029 | json_object_boolean_false_add(json, | |
7030 | "isDuplicateAddrDetection"); | |
7031 | json_object_int_add(json, "maxMoves", zvrf->dad_max_moves); | |
7032 | json_object_int_add(json, "detectionTime", zvrf->dad_time); | |
7033 | json_object_int_add(json, "detectionFreezeTime", | |
7034 | zvrf->dad_freeze_time); | |
7035 | ||
cd233079 | 7036 | } else { |
4cce389e MK |
7037 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
7038 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
7039 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
7040 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
278e26de CS |
7041 | vty_out(vty, "Advertise svi mac-ip: %s\n", |
7042 | zvrf->advertise_svi_macip ? "Yes" : "No"); | |
61d46eda CS |
7043 | vty_out(vty, "Duplicate address detection: %s\n", |
7044 | zvrf->dup_addr_detect ? "Enable" : "Disable"); | |
7045 | vty_out(vty, " Detection max-moves %u, time %d\n", | |
7046 | zvrf->dad_max_moves, zvrf->dad_time); | |
7047 | if (zvrf->dad_freeze) { | |
7048 | if (zvrf->dad_freeze_time) | |
7049 | vty_out(vty, " Detection freeze %u\n", | |
7050 | zvrf->dad_freeze_time); | |
7051 | else | |
7052 | vty_out(vty, " Detection freeze %s\n", | |
7053 | "permanent"); | |
7054 | } | |
cd233079 | 7055 | } |
4cce389e MK |
7056 | |
7057 | if (uj) { | |
7058 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7059 | json, JSON_C_TO_STRING_PRETTY)); | |
7060 | json_object_free(json); | |
7061 | } | |
7062 | } | |
7063 | ||
7064 | /* | |
7065 | * Display VNI hash table (VTY command handler). | |
7066 | */ | |
7067 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 7068 | bool use_json) |
4cce389e MK |
7069 | { |
7070 | json_object *json = NULL; | |
4cce389e MK |
7071 | void *args[2]; |
7072 | ||
7073 | if (!is_evpn_enabled()) | |
7074 | return; | |
7075 | ||
4cce389e MK |
7076 | if (use_json) |
7077 | json = json_object_new_object(); | |
7078 | else | |
996c9314 LB |
7079 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
7080 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
7081 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 7082 | |
cd233079 CS |
7083 | args[0] = vty; |
7084 | args[1] = json; | |
7085 | ||
4cce389e | 7086 | /* Display all L2-VNIs */ |
cd233079 | 7087 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 7088 | (void (*)(struct hash_bucket *, void *))zvni_print_hash, |
cd233079 CS |
7089 | args); |
7090 | ||
4cce389e | 7091 | /* Display all L3-VNIs */ |
89272910 | 7092 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 7093 | (void (*)(struct hash_bucket *, void *))zl3vni_print_hash, |
4cce389e MK |
7094 | args); |
7095 | ||
cd233079 CS |
7096 | if (use_json) { |
7097 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7098 | json, JSON_C_TO_STRING_PRETTY)); | |
7099 | json_object_free(json); | |
7100 | } | |
cec2e17d | 7101 | } |
7102 | ||
3950b52c CS |
7103 | void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS) |
7104 | { | |
7105 | struct stream *s; | |
7106 | int time = 0; | |
7107 | uint32_t max_moves = 0; | |
7108 | uint32_t freeze_time = 0; | |
7109 | bool dup_addr_detect = false; | |
7110 | bool freeze = false; | |
7111 | ||
7112 | s = msg; | |
7113 | STREAM_GETL(s, dup_addr_detect); | |
7114 | STREAM_GETL(s, time); | |
7115 | STREAM_GETL(s, max_moves); | |
7116 | STREAM_GETL(s, freeze); | |
7117 | STREAM_GETL(s, freeze_time); | |
7118 | ||
09de9258 CS |
7119 | /* DAD previous state was enabled, and new state is disable, |
7120 | * clear all duplicate detected addresses. | |
7121 | */ | |
7122 | if (zvrf->dup_addr_detect && !dup_addr_detect) | |
7123 | zebra_vxlan_clear_dup_detect_vni_all(NULL, zvrf); | |
7124 | ||
3950b52c CS |
7125 | zvrf->dup_addr_detect = dup_addr_detect; |
7126 | zvrf->dad_time = time; | |
7127 | zvrf->dad_max_moves = max_moves; | |
7128 | zvrf->dad_freeze = freeze; | |
7129 | zvrf->dad_freeze_time = freeze_time; | |
7130 | ||
7131 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7132 | zlog_debug( | |
6005fe55 CS |
7133 | "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u", |
7134 | vrf_id_to_name(zvrf->vrf->vrf_id), | |
3950b52c CS |
7135 | zvrf->dup_addr_detect ? "enable" : "disable", |
7136 | zvrf->dad_max_moves, | |
7137 | zvrf->dad_time, | |
7138 | zvrf->dad_freeze ? "enable" : "disable", | |
7139 | zvrf->dad_freeze_time); | |
7140 | ||
7141 | stream_failure: | |
7142 | return; | |
7143 | } | |
7144 | ||
09af6961 NS |
7145 | /* |
7146 | * Display VNI hash table in detail(VTY command handler). | |
7147 | */ | |
7148 | void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf, | |
7149 | bool use_json) | |
7150 | { | |
7151 | json_object *json = NULL; | |
7152 | struct zebra_ns *zns = NULL; | |
7153 | struct zvni_evpn_show zes; | |
7154 | ||
7155 | if (!is_evpn_enabled()) | |
7156 | return; | |
7157 | ||
7158 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7159 | if (!zns) | |
7160 | return; | |
7161 | ||
7162 | ||
7163 | if (use_json) | |
7164 | json = json_object_new_object(); | |
7165 | ||
7166 | zes.vty = vty; | |
7167 | zes.json = json; | |
7168 | zes.zvrf = zvrf; | |
7169 | ||
7170 | /* Display all L2-VNIs */ | |
2bcb1a7f QY |
7171 | hash_iterate( |
7172 | zvrf->vni_table, | |
7173 | (void (*)(struct hash_bucket *, void *))zvni_print_hash_detail, | |
7174 | &zes); | |
09af6961 NS |
7175 | |
7176 | /* Display all L3-VNIs */ | |
7177 | hash_iterate(zrouter.l3vni_table, | |
e3b78da8 | 7178 | (void (*)(struct hash_bucket *, |
09af6961 NS |
7179 | void *))zl3vni_print_hash_detail, |
7180 | &zes); | |
7181 | ||
7182 | if (use_json) { | |
2bcb1a7f QY |
7183 | vty_out(vty, "%s\n", |
7184 | json_object_to_json_string_ext( | |
7185 | json, JSON_C_TO_STRING_PRETTY)); | |
09af6961 NS |
7186 | json_object_free(json); |
7187 | } | |
7188 | } | |
7189 | ||
2232a77c | 7190 | /* |
ee69da27 MK |
7191 | * Handle neighbor delete notification from the kernel (on a VLAN device |
7192 | * / L3 interface). This may result in either the neighbor getting deleted | |
7193 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 7194 | * remote neighbor). |
7195 | */ | |
ee69da27 MK |
7196 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
7197 | struct interface *link_if, | |
7198 | struct ipaddr *ip) | |
d62a17ae | 7199 | { |
d62a17ae | 7200 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 7201 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
7202 | zebra_neigh_t *n = NULL; |
7203 | zebra_vni_t *zvni = NULL; | |
7204 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 7205 | zebra_l3vni_t *zl3vni = NULL; |
280c70ea | 7206 | struct zebra_vrf *zvrf; |
b7cfce93 | 7207 | |
8c9b80b9 | 7208 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 7209 | * next-hop |
7210 | */ | |
8c9b80b9 MK |
7211 | zl3vni = zl3vni_from_svi(ifp, link_if); |
7212 | if (zl3vni) | |
7213 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 7214 | |
7215 | /* We are only interested in neighbors on an SVI that resides on top | |
7216 | * of a VxLAN bridge. | |
7217 | */ | |
b7cfce93 | 7218 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 7219 | if (!zvni) |
7220 | return 0; | |
8c9b80b9 | 7221 | |
d62a17ae | 7222 | if (!zvni->vxlan_if) { |
9df414fe | 7223 | zlog_debug( |
d62a17ae | 7224 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
7225 | zvni->vni, zvni); | |
7226 | return -1; | |
7227 | } | |
7228 | ||
7229 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 7230 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
7231 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
7232 | ifp->ifindex, zvni->vni); | |
d62a17ae | 7233 | |
7234 | /* If entry doesn't exist, nothing to do. */ | |
7235 | n = zvni_neigh_lookup(zvni, ip); | |
7236 | if (!n) | |
7237 | return 0; | |
7238 | ||
b6938a74 MK |
7239 | zmac = zvni_mac_lookup(zvni, &n->emac); |
7240 | if (!zmac) { | |
7241 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 7242 | zlog_debug( |
2853fed6 | 7243 | "Trying to del a neigh %s without a mac %s on VNI %u", |
7244 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
7245 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
7246 | zvni->vni); | |
7247 | ||
7248 | return 0; | |
7249 | } | |
7250 | ||
d62a17ae | 7251 | /* If it is a remote entry, the kernel has aged this out or someone has |
7252 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
7253 | */ | |
7254 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
7255 | zvni_neigh_install(zvni, n); | |
7256 | return 0; | |
7257 | } | |
7258 | ||
280c70ea CS |
7259 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
7260 | if (!zvrf) { | |
7261 | zlog_debug("%s: VNI %u vrf lookup failed.", | |
7262 | __PRETTY_FUNCTION__, zvni->vni); | |
7263 | return -1; | |
7264 | } | |
7265 | ||
7266 | /* In case of feeze action, if local neigh is in duplicate state, | |
7267 | * Mark the Neigh as inactive before sending delete request to BGPd, | |
7268 | * If BGPd has remote entry, it will re-install | |
7269 | */ | |
7270 | if (zvrf->dad_freeze && | |
7271 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
7272 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
7273 | ||
d62a17ae | 7274 | /* Remove neighbor from BGP. */ |
280c70ea | 7275 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0, n->state); |
d62a17ae | 7276 | |
7277 | /* Delete this neighbor entry. */ | |
7278 | zvni_neigh_del(zvni, n); | |
7279 | ||
b6938a74 MK |
7280 | /* see if the AUTO mac needs to be deleted */ |
7281 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 7282 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
7283 | zvni_mac_del(zvni, zmac); |
7284 | ||
d62a17ae | 7285 | return 0; |
2232a77c | 7286 | } |
7287 | ||
7288 | /* | |
ee69da27 MK |
7289 | * Handle neighbor add or update notification from the kernel (on a VLAN |
7290 | * device / L3 interface). This is typically for a local neighbor but can | |
7291 | * also be for a remote neighbor (e.g., ageout notification). It could | |
7292 | * also be a "move" scenario. | |
2232a77c | 7293 | */ |
ee69da27 MK |
7294 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
7295 | struct interface *link_if, | |
7296 | struct ipaddr *ip, | |
7297 | struct ethaddr *macaddr, | |
7298 | uint16_t state, | |
a37f4598 | 7299 | bool is_ext, |
7300 | bool is_router) | |
d62a17ae | 7301 | { |
d62a17ae | 7302 | char buf[ETHER_ADDR_STRLEN]; |
7303 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 7304 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 7305 | zebra_l3vni_t *zl3vni = NULL; |
7306 | ||
7307 | /* check if this is a remote neigh entry corresponding to remote | |
7308 | * next-hop | |
7309 | */ | |
7310 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
7311 | if (zl3vni) | |
7312 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 7313 | |
d62a17ae | 7314 | /* We are only interested in neighbors on an SVI that resides on top |
7315 | * of a VxLAN bridge. | |
7316 | */ | |
b7cfce93 | 7317 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 7318 | if (!zvni) |
7319 | return 0; | |
7320 | ||
d62a17ae | 7321 | if (IS_ZEBRA_DEBUG_VXLAN) |
7322 | zlog_debug( | |
54c17425 | 7323 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 7324 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 7325 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 7326 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
7327 | is_router ? "router " : "", | |
8c9b80b9 | 7328 | zvni->vni); |
d62a17ae | 7329 | |
ee69da27 | 7330 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 7331 | if (!is_ext) |
68e33151 | 7332 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 7333 | is_router); |
b7cfce93 | 7334 | |
ee69da27 | 7335 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 7336 | } |
7337 | ||
b682f6de | 7338 | |
2232a77c | 7339 | /* |
7340 | * Handle message from client to delete a remote MACIP for a VNI. | |
7341 | */ | |
89f4e507 | 7342 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 7343 | { |
7344 | struct stream *s; | |
7345 | vni_t vni; | |
7346 | struct ethaddr macaddr; | |
7347 | struct ipaddr ip; | |
7348 | struct in_addr vtep_ip; | |
9df2b997 | 7349 | uint16_t l = 0, ipa_len; |
d62a17ae | 7350 | char buf[ETHER_ADDR_STRLEN]; |
7351 | char buf1[INET6_ADDRSTRLEN]; | |
7352 | ||
b7cfce93 | 7353 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7354 | memset(&ip, 0, sizeof(struct ipaddr)); |
7355 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7356 | ||
1002497a | 7357 | s = msg; |
d62a17ae | 7358 | |
89f4e507 | 7359 | while (l < hdr->length) { |
d62a17ae | 7360 | /* Obtain each remote MACIP and process. */ |
7361 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
7362 | * followed by remote VTEP IP. | |
7363 | */ | |
d62a17ae | 7364 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
7365 | STREAM_GETL(s, vni); |
7366 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
7367 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 7368 | if (ipa_len) { |
7369 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
7370 | : IPADDR_V6; | |
ec93aa12 | 7371 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 7372 | } |
ff8b7eb8 | 7373 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 7374 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7375 | l += IPV4_MAX_BYTELEN; |
7376 | ||
7377 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7378 | zlog_debug( | |
f07e1c99 | 7379 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
7380 | vni, | |
d62a17ae | 7381 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7382 | ipa_len ? " IP " : "", |
7383 | ipa_len ? | |
7384 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 7385 | inet_ntoa(vtep_ip), |
7386 | zebra_route_string(client->proto)); | |
7387 | ||
f07e1c99 | 7388 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 7389 | } |
7390 | ||
ec93aa12 | 7391 | stream_failure: |
8068a649 | 7392 | return; |
2232a77c | 7393 | } |
7394 | ||
7395 | /* | |
7396 | * Handle message from client to add a remote MACIP for a VNI. This | |
7397 | * could be just the add of a MAC address or the add of a neighbor | |
7398 | * (IP+MAC). | |
7399 | */ | |
89f4e507 | 7400 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 7401 | { |
7402 | struct stream *s; | |
7403 | vni_t vni; | |
7404 | struct ethaddr macaddr; | |
7405 | struct ipaddr ip; | |
7406 | struct in_addr vtep_ip; | |
9df2b997 | 7407 | uint16_t l = 0, ipa_len; |
f07e1c99 | 7408 | uint8_t flags = 0; |
7409 | uint32_t seq; | |
d62a17ae | 7410 | char buf[ETHER_ADDR_STRLEN]; |
7411 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 7412 | |
b7cfce93 | 7413 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7414 | memset(&ip, 0, sizeof(struct ipaddr)); |
7415 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7416 | ||
ec93aa12 | 7417 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 7418 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 7419 | return; |
ec93aa12 | 7420 | } |
d62a17ae | 7421 | |
1002497a | 7422 | s = msg; |
d62a17ae | 7423 | |
89f4e507 | 7424 | while (l < hdr->length) { |
d62a17ae | 7425 | /* Obtain each remote MACIP and process. */ |
7426 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
7427 | * followed by remote VTEP IP. | |
7428 | */ | |
d62a17ae | 7429 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
7430 | STREAM_GETL(s, vni); |
7431 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
7432 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 7433 | if (ipa_len) { |
7434 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
7435 | : IPADDR_V6; | |
ec93aa12 | 7436 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 7437 | } |
ff8b7eb8 | 7438 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 7439 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7440 | l += IPV4_MAX_BYTELEN; |
7441 | ||
ead40654 | 7442 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 7443 | STREAM_GETC(s, flags); |
d62a17ae | 7444 | l++; |
f07e1c99 | 7445 | STREAM_GETL(s, seq); |
7446 | l += 4; | |
d62a17ae | 7447 | |
7448 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7449 | zlog_debug( | |
f07e1c99 | 7450 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
7451 | vni, | |
d62a17ae | 7452 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7453 | ipa_len ? " IP " : "", |
7454 | ipa_len ? | |
7455 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
7456 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 7457 | zebra_route_string(client->proto)); |
7458 | ||
f07e1c99 | 7459 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
7460 | flags, seq, vtep_ip); | |
d62a17ae | 7461 | } |
7462 | ||
ec93aa12 | 7463 | stream_failure: |
8068a649 | 7464 | return; |
13d60d35 | 7465 | } |
7466 | ||
7467 | /* | |
2232a77c | 7468 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
7469 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
7470 | * of any prior local MAC. | |
13d60d35 | 7471 | */ |
d62a17ae | 7472 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
7473 | struct interface *br_if, | |
7474 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7475 | { |
d62a17ae | 7476 | struct zebra_if *zif; |
d62a17ae | 7477 | struct zebra_l2info_vxlan *vxl; |
7478 | vni_t vni; | |
7479 | zebra_vni_t *zvni; | |
7480 | zebra_mac_t *mac; | |
7481 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 7482 | |
d62a17ae | 7483 | zif = ifp->info; |
7484 | assert(zif); | |
7485 | vxl = &zif->l2info.vxl; | |
7486 | vni = vxl->vni; | |
13d60d35 | 7487 | |
2853fed6 | 7488 | /* Check if EVPN is enabled. */ |
7489 | if (!is_evpn_enabled()) | |
d62a17ae | 7490 | return 0; |
13d60d35 | 7491 | |
d62a17ae | 7492 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7493 | zvni = zvni_lookup(vni); |
d62a17ae | 7494 | if (!zvni) |
7495 | return 0; | |
13d60d35 | 7496 | |
d62a17ae | 7497 | /* If entry doesn't exist, nothing to do. */ |
7498 | mac = zvni_mac_lookup(zvni, macaddr); | |
7499 | if (!mac) | |
7500 | return 0; | |
13d60d35 | 7501 | |
d62a17ae | 7502 | /* Is it a local entry? */ |
7503 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7504 | return 0; | |
13d60d35 | 7505 | |
d62a17ae | 7506 | if (IS_ZEBRA_DEBUG_VXLAN) |
7507 | zlog_debug( | |
2853fed6 | 7508 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
7509 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7510 | ifp->ifindex, vni); | |
13d60d35 | 7511 | |
d62a17ae | 7512 | /* Remove MAC from BGP. */ |
e98e4b88 | 7513 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
13d60d35 | 7514 | |
b6938a74 MK |
7515 | /* |
7516 | * If there are no neigh associated with the mac delete the mac | |
7517 | * else mark it as AUTO for forward reference | |
7518 | */ | |
7519 | if (!listcount(mac->neigh_list)) { | |
7520 | zvni_mac_del(zvni, mac); | |
7521 | } else { | |
7522 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7523 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7524 | } | |
13d60d35 | 7525 | |
d62a17ae | 7526 | return 0; |
13d60d35 | 7527 | } |
7528 | ||
7529 | /* | |
2232a77c | 7530 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
7531 | * This can happen because the remote MAC entries are also added as "dynamic", | |
7532 | * so the kernel can ageout the entry. | |
13d60d35 | 7533 | */ |
d62a17ae | 7534 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
7535 | struct interface *br_if, | |
7536 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7537 | { |
a9a76262 MK |
7538 | struct zebra_if *zif = NULL; |
7539 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 7540 | vni_t vni; |
a9a76262 MK |
7541 | zebra_vni_t *zvni = NULL; |
7542 | zebra_l3vni_t *zl3vni = NULL; | |
7543 | zebra_mac_t *mac = NULL; | |
d62a17ae | 7544 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 7545 | |
d62a17ae | 7546 | zif = ifp->info; |
7547 | assert(zif); | |
7548 | vxl = &zif->l2info.vxl; | |
7549 | vni = vxl->vni; | |
2232a77c | 7550 | |
2853fed6 | 7551 | /* Check if EVPN is enabled. */ |
7552 | if (!is_evpn_enabled()) | |
d62a17ae | 7553 | return 0; |
2232a77c | 7554 | |
a9a76262 MK |
7555 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
7556 | zl3vni = zl3vni_lookup(vni); | |
7557 | if (zl3vni) | |
7558 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
7559 | ||
d62a17ae | 7560 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7561 | zvni = zvni_lookup(vni); |
d62a17ae | 7562 | if (!zvni) |
7563 | return 0; | |
13d60d35 | 7564 | |
d62a17ae | 7565 | /* If entry doesn't exist, nothing to do. */ |
7566 | mac = zvni_mac_lookup(zvni, macaddr); | |
7567 | if (!mac) | |
7568 | return 0; | |
2232a77c | 7569 | |
d62a17ae | 7570 | /* Is it a remote entry? */ |
7571 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
7572 | return 0; | |
2232a77c | 7573 | |
d62a17ae | 7574 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7575 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 7576 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7577 | ifp->ifindex, vni); | |
13d60d35 | 7578 | |
d62a17ae | 7579 | zvni_mac_install(zvni, mac); |
7580 | return 0; | |
13d60d35 | 7581 | } |
7582 | ||
7583 | /* | |
2232a77c | 7584 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 7585 | */ |
d62a17ae | 7586 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
7587 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7588 | { |
d62a17ae | 7589 | zebra_vni_t *zvni; |
7590 | zebra_mac_t *mac; | |
d62a17ae | 7591 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 7592 | |
d62a17ae | 7593 | /* We are interested in MACs only on ports or (port, VLAN) that |
7594 | * map to a VNI. | |
7595 | */ | |
7596 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
7597 | if (!zvni) | |
7598 | return 0; | |
7599 | if (!zvni->vxlan_if) { | |
9df414fe QY |
7600 | zlog_debug( |
7601 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
7602 | zvni->vni, zvni); | |
d62a17ae | 7603 | return -1; |
7604 | } | |
13d60d35 | 7605 | |
d62a17ae | 7606 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 7607 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 7608 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7609 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 7610 | |
d62a17ae | 7611 | /* If entry doesn't exist, nothing to do. */ |
7612 | mac = zvni_mac_lookup(zvni, macaddr); | |
7613 | if (!mac) | |
7614 | return 0; | |
2232a77c | 7615 | |
d62a17ae | 7616 | /* Is it a local entry? */ |
7617 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7618 | return 0; | |
2232a77c | 7619 | |
b6938a74 | 7620 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 7621 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 7622 | |
f07e1c99 | 7623 | /* Remove MAC from BGP. */ |
e98e4b88 | 7624 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
f07e1c99 | 7625 | |
b6938a74 MK |
7626 | /* |
7627 | * If there are no neigh associated with the mac delete the mac | |
7628 | * else mark it as AUTO for forward reference | |
7629 | */ | |
7630 | if (!listcount(mac->neigh_list)) { | |
7631 | zvni_mac_del(zvni, mac); | |
7632 | } else { | |
7633 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7634 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7635 | } | |
2232a77c | 7636 | |
d62a17ae | 7637 | return 0; |
13d60d35 | 7638 | } |
7639 | ||
7640 | /* | |
2232a77c | 7641 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 7642 | */ |
d62a17ae | 7643 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
7644 | struct interface *br_if, | |
7645 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 7646 | bool sticky) |
d62a17ae | 7647 | { |
7648 | zebra_vni_t *zvni; | |
7649 | zebra_mac_t *mac; | |
e22a946a | 7650 | struct zebra_vrf *zvrf; |
d62a17ae | 7651 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 7652 | bool mac_sticky = false; |
7653 | bool inform_client = false; | |
7654 | bool upd_neigh = false; | |
a4445ece | 7655 | bool is_dup_detect = false; |
e22a946a | 7656 | struct in_addr vtep_ip = {.s_addr = 0}; |
d62a17ae | 7657 | |
7658 | /* We are interested in MACs only on ports or (port, VLAN) that | |
7659 | * map to a VNI. | |
7660 | */ | |
7661 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
7662 | if (!zvni) { | |
7663 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7664 | zlog_debug( | |
28bd0652 | 7665 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
2853fed6 | 7666 | sticky ? "sticky " : "", |
d62a17ae | 7667 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
7668 | ifp->name, ifp->ifindex, vid); | |
7669 | return 0; | |
7670 | } | |
7671 | ||
7672 | if (!zvni->vxlan_if) { | |
28bd0652 DS |
7673 | if (IS_ZEBRA_DEBUG_VXLAN) |
7674 | zlog_debug( | |
7675 | "\tVNI %u hash %p doesn't have intf upon local MAC ADD", | |
7676 | zvni->vni, zvni); | |
d62a17ae | 7677 | return -1; |
7678 | } | |
7679 | ||
e22a946a | 7680 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
7681 | if (!zvrf) { |
7682 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7683 | zlog_debug("\tNo Vrf found for vrf_id: %d", | |
7684 | zvni->vxlan_if->vrf_id); | |
e22a946a | 7685 | return -1; |
28bd0652 | 7686 | } |
e22a946a | 7687 | |
f07e1c99 | 7688 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 7689 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 7690 | if (!mac) { |
7691 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7692 | zlog_debug( | |
7693 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
7694 | sticky ? "sticky " : "", | |
7695 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7696 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 7697 | |
f07e1c99 | 7698 | mac = zvni_mac_add(zvni, macaddr); |
7699 | if (!mac) { | |
7700 | flog_err( | |
e914ccbe | 7701 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 7702 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
7703 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7704 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
7705 | return -1; | |
7706 | } | |
7707 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7708 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7709 | mac->fwd_info.local.vid = vid; | |
7710 | if (sticky) | |
7711 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7712 | inform_client = true; | |
7713 | ||
7714 | } else { | |
7715 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7716 | zlog_debug( | |
7717 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
7718 | sticky ? "sticky " : "", | |
7719 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
7720 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
7721 | mac->flags); | |
7722 | ||
7723 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
7724 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
7725 | mac_sticky = true; | |
b6938a74 | 7726 | |
b8ce75a5 | 7727 | /* |
f07e1c99 | 7728 | * Update any changes and if changes are relevant to |
7729 | * BGP, note it. | |
b8ce75a5 | 7730 | */ |
d62a17ae | 7731 | if (mac_sticky == sticky |
7732 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
7733 | && mac->fwd_info.local.vid == vid) { | |
7734 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7735 | zlog_debug( | |
28bd0652 | 7736 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 7737 | "entry exists and has not changed ", |
d62a17ae | 7738 | sticky ? "sticky " : "", |
7739 | prefix_mac2str(macaddr, buf, | |
7740 | sizeof(buf)), | |
7741 | ifp->name, ifp->ifindex, vid, | |
7742 | zvni->vni); | |
7743 | return 0; | |
b6938a74 | 7744 | } |
f07e1c99 | 7745 | if (mac_sticky != sticky) { |
7746 | if (sticky) | |
7747 | SET_FLAG(mac->flags, | |
7748 | ZEBRA_MAC_STICKY); | |
7749 | else | |
7750 | UNSET_FLAG(mac->flags, | |
7751 | ZEBRA_MAC_STICKY); | |
7752 | inform_client = true; | |
7753 | } | |
7754 | ||
7755 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
7756 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7757 | mac->fwd_info.local.vid = vid; | |
7758 | ||
7759 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
7760 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
e22a946a | 7761 | bool do_dad = false; |
f07e1c99 | 7762 | |
421bb26a | 7763 | /* |
f07e1c99 | 7764 | * MAC has either moved or was "internally" created due |
7765 | * to a neighbor learn and is now actually learnt. If | |
7766 | * it was learnt as a remote sticky MAC, this is an | |
7767 | * operator error. | |
421bb26a | 7768 | */ |
8f4b98ee | 7769 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 7770 | flog_warn( |
e914ccbe | 7771 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 7772 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
7773 | prefix_mac2str(macaddr, buf, |
7774 | sizeof(buf)), | |
7775 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
7776 | zvni->vni); | |
8f4b98ee MK |
7777 | return 0; |
7778 | } | |
d62a17ae | 7779 | |
f07e1c99 | 7780 | /* If an actual move, compute MAC's seq number */ |
e22a946a | 7781 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
f07e1c99 | 7782 | mac->loc_seq = MAX(mac->rem_seq + 1, |
7783 | mac->loc_seq); | |
e22a946a CS |
7784 | vtep_ip = mac->fwd_info.r_vtep_ip; |
7785 | /* Trigger DAD for remote MAC */ | |
7786 | do_dad = true; | |
7787 | } | |
7788 | ||
f07e1c99 | 7789 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
7790 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
7791 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
7792 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
7793 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
7794 | mac->fwd_info.local.vid = vid; | |
7795 | if (sticky) | |
7796 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7797 | else | |
7798 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
7799 | /* | |
7800 | * We have to inform BGP of this MAC as well as process | |
7801 | * all neighbors. | |
7802 | */ | |
7803 | inform_client = true; | |
7804 | upd_neigh = true; | |
e22a946a | 7805 | |
bdca1974 CS |
7806 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, vtep_ip, |
7807 | do_dad, | |
a4445ece | 7808 | &is_dup_detect, |
bdca1974 | 7809 | true); |
a4445ece CS |
7810 | if (is_dup_detect) { |
7811 | inform_client = false; | |
7812 | upd_neigh = false; | |
7813 | } | |
d62a17ae | 7814 | } |
7815 | } | |
7816 | ||
d62a17ae | 7817 | /* Inform BGP if required. */ |
f07e1c99 | 7818 | if (inform_client) { |
7819 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
7820 | mac->flags, mac->loc_seq)) | |
7821 | return -1; | |
b6938a74 | 7822 | } |
d62a17ae | 7823 | |
f07e1c99 | 7824 | /* Process all neighbors associated with this MAC, if required. */ |
7825 | if (upd_neigh) | |
7826 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
7827 | ||
d62a17ae | 7828 | return 0; |
2232a77c | 7829 | } |
13d60d35 | 7830 | |
7831 | /* | |
7832 | * Handle message from client to delete a remote VTEP for a VNI. | |
7833 | */ | |
89f4e507 | 7834 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 7835 | { |
7836 | struct stream *s; | |
d7c0a89a | 7837 | unsigned short l = 0; |
d62a17ae | 7838 | vni_t vni; |
7839 | struct in_addr vtep_ip; | |
7840 | zebra_vni_t *zvni; | |
7841 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 7842 | struct interface *ifp; |
7843 | struct zebra_if *zif; | |
d62a17ae | 7844 | |
ec93aa12 | 7845 | if (!is_evpn_enabled()) { |
9df414fe | 7846 | zlog_debug( |
996c9314 LB |
7847 | "%s: EVPN is not enabled yet we have received a vtep del command", |
7848 | __PRETTY_FUNCTION__); | |
8068a649 | 7849 | return; |
ec93aa12 DS |
7850 | } |
7851 | ||
986512a3 | 7852 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
7853 | zlog_debug("Recv MACIP DEL for non-EVPN VRF %u", |
7854 | zvrf_id(zvrf)); | |
8068a649 | 7855 | return; |
2853fed6 | 7856 | } |
7857 | ||
1002497a | 7858 | s = msg; |
d62a17ae | 7859 | |
89f4e507 | 7860 | while (l < hdr->length) { |
694bd4ce | 7861 | int flood_control __attribute__((unused)); |
8a64de72 | 7862 | |
d62a17ae | 7863 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 7864 | STREAM_GETL(s, vni); |
d62a17ae | 7865 | l += 4; |
ec93aa12 | 7866 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 7867 | l += IPV4_MAX_BYTELEN; |
7868 | ||
8a64de72 DS |
7869 | /* Flood control is intentionally ignored right now */ |
7870 | STREAM_GETL(s, flood_control); | |
7871 | l += 4; | |
7872 | ||
d62a17ae | 7873 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7874 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
7875 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 7876 | zebra_route_string(client->proto)); |
7877 | ||
7878 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 7879 | zvni = zvni_lookup(vni); |
d62a17ae | 7880 | if (!zvni) { |
7881 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7882 | zlog_debug( | |
7883 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 7884 | "VNI %u", |
7885 | vni); | |
d62a17ae | 7886 | continue; |
7887 | } | |
7888 | ||
b5ebdc9b | 7889 | ifp = zvni->vxlan_if; |
7890 | if (!ifp) { | |
9df414fe | 7891 | zlog_debug( |
60466a63 QY |
7892 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
7893 | zvni->vni, zvni); | |
b682f6de | 7894 | continue; |
b5ebdc9b | 7895 | } |
7896 | zif = ifp->info; | |
7897 | ||
7898 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7899 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 7900 | continue; |
7901 | ||
d62a17ae | 7902 | /* If the remote VTEP does not exist, there's nothing more to |
7903 | * do. | |
7904 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
7905 | * and | |
7906 | * then, the VTEP entry itself and remove it. | |
7907 | */ | |
7908 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
7909 | if (!zvtep) | |
7910 | continue; | |
7911 | ||
7912 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
7913 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
7914 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
7915 | zvni_vtep_del(zvni, zvtep); | |
7916 | } | |
7917 | ||
ec93aa12 | 7918 | stream_failure: |
8068a649 | 7919 | return; |
13d60d35 | 7920 | } |
7921 | ||
7922 | /* | |
7923 | * Handle message from client to add a remote VTEP for a VNI. | |
7924 | */ | |
89f4e507 | 7925 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 7926 | { |
7927 | struct stream *s; | |
d7c0a89a | 7928 | unsigned short l = 0; |
d62a17ae | 7929 | vni_t vni; |
7930 | struct in_addr vtep_ip; | |
7931 | zebra_vni_t *zvni; | |
b5ebdc9b | 7932 | struct interface *ifp; |
7933 | struct zebra_if *zif; | |
9718c54e AK |
7934 | int flood_control; |
7935 | zebra_vtep_t *zvtep; | |
d62a17ae | 7936 | |
ec93aa12 | 7937 | if (!is_evpn_enabled()) { |
9df414fe | 7938 | zlog_debug( |
996c9314 LB |
7939 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
7940 | __PRETTY_FUNCTION__); | |
8068a649 | 7941 | return; |
ec93aa12 DS |
7942 | } |
7943 | ||
986512a3 | 7944 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
7945 | zlog_debug("Recv MACIP ADD for non-EVPN VRF %u", |
7946 | zvrf_id(zvrf)); | |
8068a649 | 7947 | return; |
2853fed6 | 7948 | } |
d62a17ae | 7949 | |
1002497a | 7950 | s = msg; |
d62a17ae | 7951 | |
89f4e507 | 7952 | while (l < hdr->length) { |
d62a17ae | 7953 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 7954 | STREAM_GETL(s, vni); |
d62a17ae | 7955 | l += 4; |
ec93aa12 | 7956 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
9718c54e | 7957 | STREAM_GETL(s, flood_control); |
8a64de72 | 7958 | l += IPV4_MAX_BYTELEN + 4; |
d62a17ae | 7959 | |
7960 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9718c54e AK |
7961 | zlog_debug("Recv VTEP_ADD %s VNI %u flood %d from %s", |
7962 | inet_ntoa(vtep_ip), vni, flood_control, | |
7963 | zebra_route_string(client->proto)); | |
d62a17ae | 7964 | |
7965 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 7966 | zvni = zvni_lookup(vni); |
d62a17ae | 7967 | if (!zvni) { |
af4c2728 | 7968 | flog_err( |
e914ccbe | 7969 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 7970 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
7971 | vni); | |
d62a17ae | 7972 | continue; |
7973 | } | |
b5ebdc9b | 7974 | |
7975 | ifp = zvni->vxlan_if; | |
7976 | if (!ifp) { | |
af4c2728 | 7977 | flog_err( |
e914ccbe | 7978 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 7979 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
7980 | zvni->vni, zvni); | |
7981 | continue; | |
7982 | } | |
7983 | ||
b5ebdc9b | 7984 | zif = ifp->info; |
d62a17ae | 7985 | |
b5ebdc9b | 7986 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 7987 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 7988 | continue; |
7989 | ||
9718c54e AK |
7990 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
7991 | if (zvtep) { | |
7992 | /* If the remote VTEP already exists check if | |
7993 | * the flood mode has changed | |
7994 | */ | |
7995 | if (zvtep->flood_control != flood_control) { | |
7996 | if (zvtep->flood_control | |
7997 | == VXLAN_FLOOD_DISABLED) | |
7998 | /* old mode was head-end-replication but | |
7999 | * is no longer; get rid of the HER fdb | |
8000 | * entry installed before | |
8001 | */ | |
8002 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
8003 | zvtep->flood_control = flood_control; | |
8004 | zvni_vtep_install(zvni, zvtep); | |
8005 | } | |
8006 | } else { | |
8007 | zvtep = zvni_vtep_add(zvni, &vtep_ip, flood_control); | |
8008 | if (zvtep) | |
8009 | zvni_vtep_install(zvni, zvtep); | |
8010 | else | |
8011 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, | |
8012 | "Failed to add remote VTEP, VNI %u zvni %p", | |
8013 | vni, zvni); | |
d62a17ae | 8014 | } |
d62a17ae | 8015 | } |
8016 | ||
ec93aa12 | 8017 | stream_failure: |
8068a649 | 8018 | return; |
13d60d35 | 8019 | } |
8020 | ||
1a98c087 MK |
8021 | /* |
8022 | * Add/Del gateway macip to evpn | |
8023 | * g/w can be: | |
8024 | * 1. SVI interface on a vlan aware bridge | |
8025 | * 2. SVI interface on a vlan unaware bridge | |
8026 | * 3. vrr interface (MACVLAN) associated to a SVI | |
8027 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
8028 | */ | |
8029 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
8030 | int add) | |
8031 | { | |
8032 | struct ipaddr ip; | |
8033 | struct ethaddr macaddr; | |
8034 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
8035 | |
8036 | memset(&ip, 0, sizeof(struct ipaddr)); | |
8037 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
8038 | ||
2853fed6 | 8039 | /* Check if EVPN is enabled. */ |
8040 | if (!is_evpn_enabled()) | |
297a21b6 MK |
8041 | return 0; |
8042 | ||
1a98c087 MK |
8043 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
8044 | struct interface *svi_if = | |
8045 | NULL; /* SVI corresponding to the MACVLAN */ | |
8046 | struct zebra_if *ifp_zif = | |
8047 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
8048 | struct zebra_if *svi_if_zif = | |
8049 | NULL; /* Zebra daemon specific info for SVI*/ | |
8050 | ||
8051 | ifp_zif = ifp->info; | |
8052 | if (!ifp_zif) | |
8053 | return -1; | |
8054 | ||
71349e03 MK |
8055 | /* |
8056 | * for a MACVLAN interface the link represents the svi_if | |
8057 | */ | |
8058 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
8059 | ifp_zif->link_ifindex); | |
1a98c087 | 8060 | if (!svi_if) { |
9df414fe QY |
8061 | zlog_debug("MACVLAN %s(%u) without link information", |
8062 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
8063 | return -1; |
8064 | } | |
8065 | ||
8066 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
8067 | /* |
8068 | * If it is a vlan aware bridge then the link gives the | |
8069 | * bridge information | |
8070 | */ | |
8071 | struct interface *svi_if_link = NULL; | |
8072 | ||
1a98c087 | 8073 | svi_if_zif = svi_if->info; |
71349e03 MK |
8074 | if (svi_if_zif) { |
8075 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
8076 | zebra_ns_lookup(NS_DEFAULT), |
8077 | svi_if_zif->link_ifindex); | |
b7cfce93 | 8078 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 8079 | } |
1a98c087 | 8080 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
8081 | /* |
8082 | * If it is a vlan unaware bridge then svi is the bridge | |
8083 | * itself | |
8084 | */ | |
b7cfce93 | 8085 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
8086 | } |
8087 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
8088 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
8089 | NULL; /* Zebra daemon specific info for SVI */ |
8090 | struct interface *svi_if_link = | |
8091 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
8092 | |
8093 | svi_if_zif = ifp->info; | |
e3bb770c IS |
8094 | if (svi_if_zif) { |
8095 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
8096 | zebra_ns_lookup(NS_DEFAULT), |
8097 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
8098 | if (svi_if_link) |
8099 | zvni = zvni_from_svi(ifp, svi_if_link); | |
8100 | } | |
1a98c087 | 8101 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 8102 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
8103 | } |
8104 | ||
8105 | if (!zvni) | |
8106 | return 0; | |
8107 | ||
8108 | if (!zvni->vxlan_if) { | |
9df414fe QY |
8109 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
8110 | zvni->vni, zvni); | |
1a98c087 MK |
8111 | return -1; |
8112 | } | |
8113 | ||
1a98c087 | 8114 | |
1a98c087 MK |
8115 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
8116 | ||
8117 | if (p->family == AF_INET) { | |
8118 | ip.ipa_type = IPADDR_V4; | |
8119 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
8120 | sizeof(struct in_addr)); | |
8121 | } else if (p->family == AF_INET6) { | |
8122 | ip.ipa_type = IPADDR_V6; | |
8123 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
8124 | sizeof(struct in6_addr)); | |
8125 | } | |
8126 | ||
8127 | ||
8128 | if (add) | |
8129 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
8130 | else | |
8131 | zvni_gw_macip_del(ifp, zvni, &ip); | |
8132 | ||
8133 | return 0; | |
8134 | } | |
8135 | ||
2232a77c | 8136 | /* |
b7cfce93 MK |
8137 | * Handle SVI interface going down. |
8138 | * SVI can be associated to either L3-VNI or L2-VNI. | |
8139 | * For L2-VNI: At this point, this is a NOP since | |
8140 | * the kernel deletes the neighbor entries on this SVI (if any). | |
8141 | * We only need to update the vrf corresponding to zvni. | |
8142 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
8143 | * from bgp | |
2232a77c | 8144 | */ |
d62a17ae | 8145 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 8146 | { |
b7cfce93 MK |
8147 | zebra_l3vni_t *zl3vni = NULL; |
8148 | ||
8149 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
8150 | if (zl3vni) { | |
8151 | ||
8152 | /* process l3-vni down */ | |
8153 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8154 | ||
8155 | /* remove association with svi-if */ | |
8156 | zl3vni->svi_if = NULL; | |
8157 | } else { | |
8158 | zebra_vni_t *zvni = NULL; | |
8159 | ||
8160 | /* since we dont have svi corresponding to zvni, we associate it | |
8161 | * to default vrf. Note: the corresponding neigh entries on the | |
8162 | * SVI would have already been deleted */ | |
8163 | zvni = zvni_from_svi(ifp, link_if); | |
8164 | if (zvni) { | |
8165 | zvni->vrf_id = VRF_DEFAULT; | |
8166 | ||
8167 | /* update the tenant vrf in BGP */ | |
8168 | zvni_send_add_to_client(zvni); | |
8169 | } | |
8170 | } | |
d62a17ae | 8171 | return 0; |
2232a77c | 8172 | } |
8173 | ||
8174 | /* | |
b7cfce93 MK |
8175 | * Handle SVI interface coming up. |
8176 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
8177 | * vxlan intf). | |
8178 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
8179 | * apr-suppression) | |
8180 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 8181 | */ |
d62a17ae | 8182 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 8183 | { |
b7cfce93 MK |
8184 | zebra_vni_t *zvni = NULL; |
8185 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 8186 | |
b7cfce93 MK |
8187 | zl3vni = zl3vni_from_svi(ifp, link_if); |
8188 | if (zl3vni) { | |
2232a77c | 8189 | |
b7cfce93 MK |
8190 | /* associate with svi */ |
8191 | zl3vni->svi_if = ifp; | |
2232a77c | 8192 | |
b7cfce93 MK |
8193 | /* process oper-up */ |
8194 | if (is_l3vni_oper_up(zl3vni)) | |
8195 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8196 | } else { | |
8197 | ||
8198 | /* process SVI up for l2-vni */ | |
8199 | struct neigh_walk_ctx n_wctx; | |
8200 | ||
8201 | zvni = zvni_from_svi(ifp, link_if); | |
8202 | if (!zvni) | |
8203 | return 0; | |
8204 | ||
8205 | if (!zvni->vxlan_if) { | |
9df414fe | 8206 | zlog_debug( |
43e52561 QY |
8207 | "VNI %u hash %p doesn't have intf upon SVI up", |
8208 | zvni->vni, zvni); | |
b7cfce93 MK |
8209 | return -1; |
8210 | } | |
8211 | ||
8212 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8213 | zlog_debug( |
8214 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
8215 | ifp->name, ifp->ifindex, zvni->vni, | |
8216 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 8217 | |
b7cfce93 MK |
8218 | /* update the vrf information for l2-vni and inform bgp */ |
8219 | zvni->vrf_id = ifp->vrf_id; | |
8220 | zvni_send_add_to_client(zvni); | |
8221 | ||
8222 | /* Install any remote neighbors for this VNI. */ | |
8223 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
8224 | n_wctx.zvni = zvni; | |
996c9314 | 8225 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
8226 | &n_wctx); |
8227 | } | |
2232a77c | 8228 | |
d62a17ae | 8229 | return 0; |
2232a77c | 8230 | } |
8231 | ||
13d60d35 | 8232 | /* |
b7cfce93 | 8233 | * Handle VxLAN interface down |
13d60d35 | 8234 | */ |
d62a17ae | 8235 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 8236 | { |
d62a17ae | 8237 | vni_t vni; |
b7cfce93 MK |
8238 | struct zebra_if *zif = NULL; |
8239 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8240 | zebra_l3vni_t *zl3vni = NULL; |
8241 | zebra_vni_t *zvni; | |
13d60d35 | 8242 | |
2853fed6 | 8243 | /* Check if EVPN is enabled. */ |
8244 | if (!is_evpn_enabled()) | |
d62a17ae | 8245 | return 0; |
13d60d35 | 8246 | |
d62a17ae | 8247 | zif = ifp->info; |
8248 | assert(zif); | |
8249 | vxl = &zif->l2info.vxl; | |
8250 | vni = vxl->vni; | |
13d60d35 | 8251 | |
643215ce | 8252 | zl3vni = zl3vni_lookup(vni); |
8253 | if (zl3vni) { | |
b7cfce93 | 8254 | /* process-if-down for l3-vni */ |
b7cfce93 | 8255 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8256 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
8257 | ifp->ifindex, vni); | |
b7cfce93 | 8258 | |
b7cfce93 | 8259 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
8260 | } else { |
8261 | /* process if-down for l2-vni */ | |
b7cfce93 | 8262 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8263 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
8264 | ifp->ifindex, vni); | |
13d60d35 | 8265 | |
b7cfce93 MK |
8266 | /* Locate hash entry; it is expected to exist. */ |
8267 | zvni = zvni_lookup(vni); | |
8268 | if (!zvni) { | |
9df414fe | 8269 | zlog_debug( |
b7cfce93 MK |
8270 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
8271 | ifp->name, ifp->ifindex, vni); | |
8272 | return -1; | |
8273 | } | |
13d60d35 | 8274 | |
b7cfce93 | 8275 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 8276 | |
b7cfce93 MK |
8277 | /* Delete this VNI from BGP. */ |
8278 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 8279 | |
b7cfce93 MK |
8280 | /* Free up all neighbors and MACs, if any. */ |
8281 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8282 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 8283 | |
b7cfce93 MK |
8284 | /* Free up all remote VTEPs, if any. */ |
8285 | zvni_vtep_del_all(zvni, 1); | |
8286 | } | |
d62a17ae | 8287 | return 0; |
13d60d35 | 8288 | } |
8289 | ||
8290 | /* | |
8291 | * Handle VxLAN interface up - update BGP if required. | |
8292 | */ | |
d62a17ae | 8293 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 8294 | { |
d62a17ae | 8295 | vni_t vni; |
b7cfce93 MK |
8296 | struct zebra_if *zif = NULL; |
8297 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8298 | zebra_vni_t *zvni = NULL; |
8299 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8300 | |
2853fed6 | 8301 | /* Check if EVPN is enabled. */ |
8302 | if (!is_evpn_enabled()) | |
d62a17ae | 8303 | return 0; |
13d60d35 | 8304 | |
d62a17ae | 8305 | zif = ifp->info; |
8306 | assert(zif); | |
8307 | vxl = &zif->l2info.vxl; | |
8308 | vni = vxl->vni; | |
13d60d35 | 8309 | |
643215ce | 8310 | zl3vni = zl3vni_lookup(vni); |
8311 | if (zl3vni) { | |
13d60d35 | 8312 | |
b7cfce93 | 8313 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8314 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
8315 | ifp->ifindex, vni); | |
13d60d35 | 8316 | |
b7cfce93 | 8317 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 8318 | * svi-if only after association with vxlan-intf is complete |
8319 | */ | |
b7cfce93 MK |
8320 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
8321 | ||
8322 | if (is_l3vni_oper_up(zl3vni)) | |
8323 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8324 | } else { | |
8325 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
8326 | struct interface *vlan_if = NULL; |
8327 | ||
8328 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8329 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
8330 | ifp->ifindex, vni); | |
b7cfce93 MK |
8331 | |
8332 | /* Locate hash entry; it is expected to exist. */ | |
8333 | zvni = zvni_lookup(vni); | |
8334 | if (!zvni) { | |
9df414fe | 8335 | zlog_debug( |
b7cfce93 MK |
8336 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
8337 | ifp->name, ifp->ifindex, vni); | |
8338 | return -1; | |
8339 | } | |
8340 | ||
8341 | assert(zvni->vxlan_if == ifp); | |
8342 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
8343 | zif->brslave_info.br_if); | |
8344 | if (vlan_if) { | |
8345 | zvni->vrf_id = vlan_if->vrf_id; | |
8346 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
8347 | if (zl3vni) | |
8348 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
8349 | } | |
8350 | ||
8351 | /* If part of a bridge, inform BGP about this VNI. */ | |
8352 | /* Also, read and populate local MACs and neighbors. */ | |
8353 | if (zif->brslave_info.br_if) { | |
8354 | zvni_send_add_to_client(zvni); | |
8355 | zvni_read_mac_neigh(zvni, ifp); | |
8356 | } | |
d62a17ae | 8357 | } |
13d60d35 | 8358 | |
d62a17ae | 8359 | return 0; |
13d60d35 | 8360 | } |
8361 | ||
8362 | /* | |
8363 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
8364 | * and update BGP, if required. | |
8365 | */ | |
d62a17ae | 8366 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 8367 | { |
d62a17ae | 8368 | vni_t vni; |
b7cfce93 MK |
8369 | struct zebra_if *zif = NULL; |
8370 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8371 | zebra_vni_t *zvni = NULL; |
8372 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8373 | |
2853fed6 | 8374 | /* Check if EVPN is enabled. */ |
8375 | if (!is_evpn_enabled()) | |
d62a17ae | 8376 | return 0; |
13d60d35 | 8377 | |
d62a17ae | 8378 | zif = ifp->info; |
8379 | assert(zif); | |
8380 | vxl = &zif->l2info.vxl; | |
8381 | vni = vxl->vni; | |
13d60d35 | 8382 | |
643215ce | 8383 | zl3vni = zl3vni_lookup(vni); |
8384 | if (zl3vni) { | |
b7cfce93 MK |
8385 | |
8386 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8387 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
8388 | ifp->ifindex); | |
13d60d35 | 8389 | |
b7cfce93 MK |
8390 | /* process oper-down for l3-vni */ |
8391 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 8392 | |
b7cfce93 | 8393 | /* remove the association with vxlan_if */ |
b67a60d2 | 8394 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
8395 | zl3vni->vxlan_if = NULL; |
8396 | } else { | |
13d60d35 | 8397 | |
b7cfce93 | 8398 | /* process if-del for l2-vni*/ |
b7cfce93 | 8399 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8400 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
8401 | ifp->ifindex); | |
b7cfce93 MK |
8402 | |
8403 | /* Locate hash entry; it is expected to exist. */ | |
8404 | zvni = zvni_lookup(vni); | |
8405 | if (!zvni) { | |
9df414fe | 8406 | zlog_debug( |
b7cfce93 MK |
8407 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
8408 | ifp->name, ifp->ifindex, vni); | |
8409 | return 0; | |
8410 | } | |
8411 | ||
8412 | /* remove from l3-vni list */ | |
8413 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
8414 | if (zl3vni) | |
8415 | listnode_delete(zl3vni->l2vnis, zvni); | |
8416 | ||
8417 | /* Delete VNI from BGP. */ | |
8418 | zvni_send_del_to_client(zvni->vni); | |
8419 | ||
8420 | /* Free up all neighbors and MAC, if any. */ | |
8421 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
8422 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
8423 | ||
8424 | /* Free up all remote VTEPs, if any. */ | |
8425 | zvni_vtep_del_all(zvni, 0); | |
8426 | ||
8427 | /* Delete the hash entry. */ | |
8428 | if (zvni_del(zvni)) { | |
e914ccbe | 8429 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
8430 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
8431 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
8432 | return -1; |
8433 | } | |
d62a17ae | 8434 | } |
d62a17ae | 8435 | return 0; |
13d60d35 | 8436 | } |
8437 | ||
8438 | /* | |
8439 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
8440 | */ | |
d7c0a89a | 8441 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 8442 | { |
d62a17ae | 8443 | vni_t vni; |
b7cfce93 MK |
8444 | struct zebra_if *zif = NULL; |
8445 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8446 | zebra_vni_t *zvni = NULL; |
8447 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 8448 | |
2853fed6 | 8449 | /* Check if EVPN is enabled. */ |
8450 | if (!is_evpn_enabled()) | |
d62a17ae | 8451 | return 0; |
8452 | ||
8453 | zif = ifp->info; | |
8454 | assert(zif); | |
8455 | vxl = &zif->l2info.vxl; | |
8456 | vni = vxl->vni; | |
8457 | ||
643215ce | 8458 | zl3vni = zl3vni_lookup(vni); |
8459 | if (zl3vni) { | |
af026ae4 | 8460 | |
b7cfce93 MK |
8461 | if (IS_ZEBRA_DEBUG_VXLAN) |
8462 | zlog_debug( | |
8463 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8464 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8465 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8466 | zif->brslave_info.bridge_ifindex, chgflags); |
8467 | ||
8468 | /* Removed from bridge? Cleanup and return */ | |
8469 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8470 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8471 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8472 | return 0; | |
8473 | } | |
8474 | ||
8475 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 8476 | * svi_if and then process oper up again |
8477 | */ | |
b7cfce93 MK |
8478 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
8479 | if (if_is_operative(ifp)) { | |
8480 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8481 | zl3vni->svi_if = NULL; | |
8482 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 8483 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
8484 | if (is_l3vni_oper_up(zl3vni)) |
8485 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8486 | zl3vni); |
b7cfce93 MK |
8487 | } |
8488 | } | |
d62a17ae | 8489 | |
12eeac84 MK |
8490 | /* |
8491 | * local-ip change - process oper down, associate with new | |
8492 | * local-ip and then process oper up again | |
8493 | */ | |
8494 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
8495 | if (if_is_operative(ifp)) { | |
8496 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8497 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8498 | if (is_l3vni_oper_up(zl3vni)) | |
8499 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8500 | zl3vni); |
12eeac84 MK |
8501 | } |
8502 | } | |
8503 | ||
bca63dc8 MK |
8504 | /* Update local tunnel IP. */ |
8505 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8506 | ||
12eeac84 MK |
8507 | /* if we have a valid new master, process l3-vni oper up */ |
8508 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
8509 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
8510 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
8511 | } | |
8512 | } else { | |
d62a17ae | 8513 | |
b7cfce93 MK |
8514 | /* Update VNI hash. */ |
8515 | zvni = zvni_lookup(vni); | |
8516 | if (!zvni) { | |
9df414fe | 8517 | zlog_debug( |
b7cfce93 MK |
8518 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
8519 | ifp->name, ifp->ifindex, vni); | |
8520 | return -1; | |
8521 | } | |
d62a17ae | 8522 | |
b7cfce93 MK |
8523 | if (IS_ZEBRA_DEBUG_VXLAN) |
8524 | zlog_debug( | |
8525 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8526 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8527 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8528 | zif->brslave_info.bridge_ifindex, chgflags); |
8529 | ||
8530 | /* Removed from bridge? Cleanup and return */ | |
8531 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8532 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8533 | /* Delete from client, remove all remote VTEPs */ | |
8534 | /* Also, free up all MACs and neighbors. */ | |
8535 | zvni_send_del_to_client(zvni->vni); | |
8536 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8537 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
8538 | zvni_vtep_del_all(zvni, 1); | |
8539 | return 0; | |
8540 | } | |
d62a17ae | 8541 | |
b7cfce93 MK |
8542 | /* Handle other changes. */ |
8543 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
8544 | /* Remove all existing local neigh and MACs for this VNI | |
8545 | * (including from BGP) | |
8546 | */ | |
8547 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
8548 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
8549 | } | |
d62a17ae | 8550 | |
abfa0a96 AK |
8551 | if (zvni->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || |
8552 | zvni->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
8553 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, | |
8554 | zvni->mcast_grp); | |
8555 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
8556 | zvni->local_vtep_ip = vxl->vtep_ip; | |
8557 | zvni->mcast_grp = vxl->mcast_grp; | |
8558 | } | |
b7cfce93 | 8559 | zvni->vxlan_if = ifp; |
d62a17ae | 8560 | |
b7cfce93 MK |
8561 | /* Take further actions needed. |
8562 | * Note that if we are here, there is a change of interest. | |
8563 | */ | |
8564 | /* If down or not mapped to a bridge, we're done. */ | |
8565 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8566 | return 0; | |
d62a17ae | 8567 | |
b7cfce93 MK |
8568 | /* Inform BGP, if there is a change of interest. */ |
8569 | if (chgflags | |
39c46ff1 AK |
8570 | & (ZEBRA_VXLIF_MASTER_CHANGE | |
8571 | ZEBRA_VXLIF_LOCAL_IP_CHANGE | | |
8572 | ZEBRA_VXLIF_MCAST_GRP_CHANGE)) | |
b7cfce93 MK |
8573 | zvni_send_add_to_client(zvni); |
8574 | ||
8575 | /* If there is a valid new master or a VLAN mapping change, | |
8576 | * read and populate local MACs and neighbors. | |
8577 | * Also, reinstall any remote MACs and neighbors | |
8578 | * for this VNI (based on new VLAN). | |
8579 | */ | |
8580 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8581 | zvni_read_mac_neigh(zvni, ifp); | |
8582 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
8583 | struct mac_walk_ctx m_wctx; | |
8584 | struct neigh_walk_ctx n_wctx; | |
8585 | ||
8586 | zvni_read_mac_neigh(zvni, ifp); | |
8587 | ||
8588 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
8589 | m_wctx.zvni = zvni; | |
996c9314 | 8590 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
8591 | &m_wctx); |
8592 | ||
8593 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
8594 | n_wctx.zvni = zvni; | |
8595 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
8596 | &n_wctx); | |
8597 | } | |
d62a17ae | 8598 | } |
8599 | ||
8600 | return 0; | |
13d60d35 | 8601 | } |
8602 | ||
8603 | /* | |
8604 | * Handle VxLAN interface add. | |
8605 | */ | |
d62a17ae | 8606 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 8607 | { |
d62a17ae | 8608 | vni_t vni; |
b7cfce93 MK |
8609 | struct zebra_if *zif = NULL; |
8610 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8611 | zebra_vni_t *zvni = NULL; |
8612 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8613 | |
2853fed6 | 8614 | /* Check if EVPN is enabled. */ |
8615 | if (!is_evpn_enabled()) | |
d62a17ae | 8616 | return 0; |
13d60d35 | 8617 | |
d62a17ae | 8618 | zif = ifp->info; |
8619 | assert(zif); | |
8620 | vxl = &zif->l2info.vxl; | |
8621 | vni = vxl->vni; | |
13d60d35 | 8622 | |
643215ce | 8623 | zl3vni = zl3vni_lookup(vni); |
8624 | if (zl3vni) { | |
13d60d35 | 8625 | |
b7cfce93 | 8626 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
8627 | if (IS_ZEBRA_DEBUG_VXLAN) |
8628 | zlog_debug( | |
8629 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
8630 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8631 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8632 | zif->brslave_info.bridge_ifindex); |
8633 | ||
b7cfce93 | 8634 | /* associate with vxlan_if */ |
b67a60d2 | 8635 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
8636 | zl3vni->vxlan_if = ifp; |
8637 | ||
8638 | /* Associate with SVI, if any. We can associate with svi-if only | |
8639 | * after association with vxlan_if is complete */ | |
8640 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
8641 | ||
8642 | if (is_l3vni_oper_up(zl3vni)) | |
8643 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8644 | } else { | |
8645 | ||
8646 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
8647 | struct interface *vlan_if = NULL; |
8648 | ||
8649 | /* Create or update VNI hash. */ | |
8650 | zvni = zvni_lookup(vni); | |
8651 | if (!zvni) { | |
8652 | zvni = zvni_add(vni); | |
8653 | if (!zvni) { | |
af4c2728 | 8654 | flog_err( |
e914ccbe | 8655 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
8656 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
8657 | ifp->name, ifp->ifindex, vni); | |
8658 | return -1; | |
8659 | } | |
8660 | } | |
8661 | ||
abfa0a96 AK |
8662 | if (zvni->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || |
8663 | zvni->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
8664 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, | |
8665 | zvni->mcast_grp); | |
8666 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
8667 | zvni->local_vtep_ip = vxl->vtep_ip; | |
8668 | zvni->mcast_grp = vxl->mcast_grp; | |
8669 | } | |
b7cfce93 MK |
8670 | zvni->vxlan_if = ifp; |
8671 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
8672 | zif->brslave_info.br_if); | |
8673 | if (vlan_if) { | |
8674 | zvni->vrf_id = vlan_if->vrf_id; | |
8675 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
8676 | if (zl3vni) | |
8677 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
8678 | } | |
8679 | ||
39c46ff1 AK |
8680 | if (IS_ZEBRA_DEBUG_VXLAN) { |
8681 | char addr_buf1[INET_ADDRSTRLEN]; | |
8682 | char addr_buf2[INET_ADDRSTRLEN]; | |
8683 | ||
8684 | inet_ntop(AF_INET, &vxl->vtep_ip, | |
8685 | addr_buf1, INET_ADDRSTRLEN); | |
8686 | inet_ntop(AF_INET, &vxl->mcast_grp, | |
8687 | addr_buf2, INET_ADDRSTRLEN); | |
8688 | ||
b7cfce93 | 8689 | zlog_debug( |
aa0677b4 | 8690 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s mcast_grp %s master %u", |
b7cfce93 | 8691 | vni, |
996c9314 | 8692 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
08ab35fe | 8693 | : VRF_DEFAULT_NAME, |
996c9314 | 8694 | ifp->name, ifp->ifindex, vxl->access_vlan, |
39c46ff1 | 8695 | addr_buf1, addr_buf2, |
b7cfce93 | 8696 | zif->brslave_info.bridge_ifindex); |
39c46ff1 | 8697 | } |
b7cfce93 MK |
8698 | |
8699 | /* If down or not mapped to a bridge, we're done. */ | |
8700 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8701 | return 0; | |
8702 | ||
8703 | /* Inform BGP */ | |
8704 | zvni_send_add_to_client(zvni); | |
8705 | ||
8706 | /* Read and populate local MACs and neighbors */ | |
8707 | zvni_read_mac_neigh(zvni, ifp); | |
8708 | } | |
8709 | ||
8710 | return 0; | |
8711 | } | |
8712 | ||
996c9314 LB |
8713 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
8714 | char *err, int err_str_sz, int filter, | |
8715 | int add) | |
b7cfce93 MK |
8716 | { |
8717 | zebra_l3vni_t *zl3vni = NULL; | |
5e53dce3 | 8718 | struct zebra_vrf *zvrf_evpn = NULL; |
b7cfce93 | 8719 | |
5e53dce3 T |
8720 | zvrf_evpn = zebra_vrf_get_evpn(); |
8721 | if (!zvrf_evpn) | |
b7cfce93 MK |
8722 | return -1; |
8723 | ||
8724 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 8725 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
8726 | add ? "ADD" : "DEL"); |
8727 | ||
8728 | if (add) { | |
8729 | ||
8730 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
8731 | ||
8732 | /* check if the vni is already present under zvrf */ | |
8733 | if (zvrf->l3vni) { | |
3f02fbab | 8734 | snprintf(err, err_str_sz, |
b7cfce93 MK |
8735 | "VNI is already configured under the vrf"); |
8736 | return -1; | |
8737 | } | |
8738 | ||
8739 | /* check if this VNI is already present in the system */ | |
8740 | zl3vni = zl3vni_lookup(vni); | |
8741 | if (zl3vni) { | |
3f02fbab | 8742 | snprintf(err, err_str_sz, |
b7cfce93 MK |
8743 | "VNI is already configured as L3-VNI"); |
8744 | return -1; | |
8745 | } | |
8746 | ||
8747 | /* add the L3-VNI to the global table */ | |
8748 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
8749 | if (!zl3vni) { | |
996c9314 | 8750 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
8751 | return -1; |
8752 | } | |
8753 | ||
8754 | /* associate the vrf with vni */ | |
8755 | zvrf->l3vni = vni; | |
8756 | ||
c48d9f5f MK |
8757 | /* set the filter in l3vni to denote if we are using l3vni only |
8758 | * for prefix routes | |
8759 | */ | |
8760 | if (filter) | |
8761 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
8762 | ||
b7cfce93 | 8763 | /* associate with vxlan-intf; |
523cafc4 | 8764 | * we need to associate with the vxlan-intf first |
8765 | */ | |
b7cfce93 MK |
8766 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
8767 | ||
8768 | /* associate with corresponding SVI interface, we can associate | |
8769 | * with svi-if only after vxlan interface association is | |
523cafc4 | 8770 | * complete |
8771 | */ | |
b7cfce93 MK |
8772 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
8773 | ||
8774 | /* formulate l2vni list */ | |
5e53dce3 | 8775 | hash_iterate(zvrf_evpn->vni_table, zvni_add_to_l3vni_list, |
996c9314 | 8776 | zl3vni); |
b7cfce93 MK |
8777 | |
8778 | if (is_l3vni_oper_up(zl3vni)) | |
8779 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8780 | ||
8781 | } else { | |
8782 | zl3vni = zl3vni_lookup(vni); | |
8783 | if (!zl3vni) { | |
3f02fbab | 8784 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 8785 | return -1; |
8786 | } | |
b7cfce93 | 8787 | |
7a6ca8a6 KA |
8788 | if (zvrf->l3vni != vni) { |
8789 | snprintf(err, err_str_sz, | |
8790 | "VNI %d doesn't exist in VRF: %s", | |
8791 | vni, zvrf->vrf->name); | |
8792 | return -1; | |
8793 | } | |
8794 | ||
cf299714 MK |
8795 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
8796 | snprintf(err, ERR_STR_SZ, | |
8797 | "prefix-routes-only is not set for the vni"); | |
8798 | return -1; | |
8799 | } | |
8800 | ||
b7cfce93 MK |
8801 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
8802 | ||
5e06422c | 8803 | /* delete and uninstall all rmacs */ |
996c9314 | 8804 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
8805 | zl3vni); |
8806 | ||
8807 | /* delete and uninstall all next-hops */ | |
996c9314 | 8808 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
8809 | zl3vni); |
8810 | ||
b7cfce93 MK |
8811 | zvrf->l3vni = 0; |
8812 | zl3vni_del(zl3vni); | |
8813 | ||
8814 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 8815 | } |
b7cfce93 MK |
8816 | return 0; |
8817 | } | |
13d60d35 | 8818 | |
84915b0a | 8819 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
8820 | { | |
8821 | zebra_l3vni_t *zl3vni = NULL; | |
8822 | ||
8823 | if (zvrf->l3vni) | |
8824 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
8825 | if (!zl3vni) | |
8826 | return 0; | |
8827 | ||
8828 | zl3vni->vrf_id = zvrf_id(zvrf); | |
8829 | if (is_l3vni_oper_up(zl3vni)) | |
8830 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8831 | return 0; | |
8832 | } | |
8833 | ||
8834 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
8835 | { |
8836 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8837 | |
84915b0a | 8838 | if (zvrf->l3vni) |
8839 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 8840 | if (!zl3vni) |
d62a17ae | 8841 | return 0; |
13d60d35 | 8842 | |
84915b0a | 8843 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 8844 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 8845 | return 0; |
8846 | } | |
8847 | ||
8848 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
8849 | { | |
8850 | zebra_l3vni_t *zl3vni = NULL; | |
8851 | vni_t vni; | |
8852 | ||
8853 | if (zvrf->l3vni) | |
8854 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
8855 | if (!zl3vni) | |
8856 | return 0; | |
8857 | ||
8858 | vni = zl3vni->vni; | |
b7cfce93 | 8859 | zl3vni_del(zl3vni); |
84915b0a | 8860 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 8861 | |
d62a17ae | 8862 | return 0; |
13d60d35 | 8863 | } |
8864 | ||
fbac9605 DS |
8865 | /* |
8866 | * Handle message from client to specify the flooding mechanism for | |
8867 | * BUM packets. The default is to do head-end (ingress) replication | |
8868 | * and the other supported option is to disable it. This applies to | |
8869 | * all BUM traffic and disabling it applies to both the transmit and | |
8870 | * receive direction. | |
8871 | */ | |
8872 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
8873 | { | |
8874 | struct stream *s; | |
8875 | enum vxlan_flood_control flood_ctrl; | |
8876 | ||
986512a3 | 8877 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 8878 | zlog_err("EVPN flood control for non-EVPN VRF %u", |
fbac9605 DS |
8879 | zvrf_id(zvrf)); |
8880 | return; | |
8881 | } | |
8882 | ||
8883 | s = msg; | |
8884 | STREAM_GETC(s, flood_ctrl); | |
8885 | ||
8886 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8887 | zlog_debug("EVPN flood control %u, currently %u", | |
8888 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
8889 | ||
8890 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
8891 | return; | |
8892 | ||
8893 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
8894 | ||
8895 | /* Install or uninstall flood entries corresponding to | |
8896 | * remote VTEPs. | |
8897 | */ | |
8898 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
8899 | zvrf); | |
8900 | ||
8901 | stream_failure: | |
8902 | return; | |
8903 | } | |
8904 | ||
278e26de CS |
8905 | /* |
8906 | * Handle message from client to enable/disable advertisement of svi macip | |
8907 | * routes | |
8908 | */ | |
8909 | void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS) | |
8910 | { | |
8911 | struct stream *s; | |
8912 | int advertise; | |
8913 | vni_t vni = 0; | |
8914 | zebra_vni_t *zvni = NULL; | |
8915 | struct interface *ifp = NULL; | |
8916 | ||
986512a3 | 8917 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
8918 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
8919 | zvrf_id(zvrf)); | |
278e26de CS |
8920 | return; |
8921 | } | |
8922 | ||
8923 | s = msg; | |
8924 | STREAM_GETC(s, advertise); | |
8925 | STREAM_GETL(s, vni); | |
8926 | ||
8927 | if (!vni) { | |
8928 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8929 | zlog_debug("EVPN gateway macip Adv %s, currently %s", | |
8930 | advertise ? "enabled" : "disabled", | |
8931 | advertise_gw_macip_enabled(NULL) | |
8932 | ? "enabled" | |
8933 | : "disabled"); | |
8934 | ||
8935 | if (zvrf->advertise_svi_macip == advertise) | |
8936 | return; | |
8937 | ||
8938 | ||
8939 | if (advertise) { | |
8940 | zvrf->advertise_svi_macip = advertise; | |
8941 | hash_iterate(zvrf->vni_table, | |
8942 | zvni_gw_macip_add_for_vni_hash, NULL); | |
8943 | } else { | |
8944 | hash_iterate(zvrf->vni_table, | |
8945 | zvni_svi_macip_del_for_vni_hash, NULL); | |
8946 | zvrf->advertise_svi_macip = advertise; | |
8947 | } | |
8948 | ||
8949 | } else { | |
8950 | struct zebra_if *zif = NULL; | |
8951 | struct zebra_l2info_vxlan zl2_info; | |
8952 | struct interface *vlan_if = NULL; | |
8953 | ||
8954 | zvni = zvni_lookup(vni); | |
8955 | if (!zvni) | |
8956 | return; | |
8957 | ||
8958 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8959 | zlog_debug( | |
8960 | "EVPN SVI macip Adv %s on VNI %d , currently %s", | |
8961 | advertise ? "enabled" : "disabled", vni, | |
8962 | advertise_svi_macip_enabled(zvni) | |
8963 | ? "enabled" | |
8964 | : "disabled"); | |
8965 | ||
8966 | if (zvni->advertise_svi_macip == advertise) | |
8967 | return; | |
8968 | ||
8969 | ifp = zvni->vxlan_if; | |
8970 | if (!ifp) | |
8971 | return; | |
8972 | ||
8973 | zif = ifp->info; | |
8974 | ||
8975 | /* If down or not mapped to a bridge, we're done. */ | |
8976 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8977 | return; | |
8978 | ||
8979 | zl2_info = zif->l2info.vxl; | |
8980 | ||
8981 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
8982 | zif->brslave_info.br_if); | |
8983 | if (!vlan_if) | |
8984 | return; | |
8985 | ||
8986 | if (advertise) { | |
8987 | zvni->advertise_svi_macip = advertise; | |
8988 | /* Add primary SVI MAC-IP */ | |
8989 | zvni_add_macip_for_intf(vlan_if, zvni); | |
8990 | } else { | |
8991 | /* Del primary MAC-IP */ | |
8992 | zvni_del_macip_for_intf(vlan_if, zvni); | |
8993 | zvni->advertise_svi_macip = advertise; | |
8994 | } | |
8995 | } | |
8996 | ||
8997 | stream_failure: | |
8998 | return; | |
8999 | } | |
9000 | ||
31310b25 MK |
9001 | /* |
9002 | * Handle message from client to enable/disable advertisement of g/w macip | |
9003 | * routes | |
9004 | */ | |
89f4e507 | 9005 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
9006 | { |
9007 | struct stream *s; | |
9008 | int advertise; | |
9009 | vni_t vni = 0; | |
9010 | zebra_vni_t *zvni = NULL; | |
9011 | struct interface *ifp = NULL; | |
9012 | struct zebra_if *zif = NULL; | |
9013 | struct zebra_l2info_vxlan zl2_info; | |
9014 | struct interface *vlan_if = NULL; | |
9015 | ||
986512a3 | 9016 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
9017 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
9018 | zvrf_id(zvrf)); | |
8068a649 | 9019 | return; |
31310b25 MK |
9020 | } |
9021 | ||
1002497a | 9022 | s = msg; |
2017b3ea | 9023 | STREAM_GETC(s, advertise); |
31310b25 MK |
9024 | vni = stream_get3(s); |
9025 | ||
9026 | zvni = zvni_lookup(vni); | |
9027 | if (!zvni) | |
8068a649 | 9028 | return; |
31310b25 MK |
9029 | |
9030 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 9031 | return; |
31310b25 MK |
9032 | |
9033 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
9034 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
9035 | advertise ? "enabled" : "disabled", vni, | |
9036 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
9037 | |
9038 | ||
9039 | zvni->advertise_subnet = advertise; | |
9040 | ||
9041 | ifp = zvni->vxlan_if; | |
9042 | if (!ifp) | |
8068a649 | 9043 | return; |
31310b25 MK |
9044 | |
9045 | zif = ifp->info; | |
9046 | ||
9047 | /* If down or not mapped to a bridge, we're done. */ | |
9048 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 9049 | return; |
31310b25 MK |
9050 | |
9051 | zl2_info = zif->l2info.vxl; | |
9052 | ||
996c9314 LB |
9053 | vlan_if = |
9054 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 9055 | if (!vlan_if) |
8068a649 | 9056 | return; |
31310b25 MK |
9057 | |
9058 | if (zvni->advertise_subnet) | |
9059 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
9060 | else | |
9061 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
9062 | |
9063 | stream_failure: | |
9064 | return; | |
31310b25 MK |
9065 | } |
9066 | ||
1a98c087 MK |
9067 | /* |
9068 | * Handle message from client to enable/disable advertisement of g/w macip | |
9069 | * routes | |
9070 | */ | |
89f4e507 | 9071 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
9072 | { |
9073 | struct stream *s; | |
9074 | int advertise; | |
9075 | vni_t vni = 0; | |
9076 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 9077 | struct interface *ifp = NULL; |
1a98c087 | 9078 | |
986512a3 | 9079 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 9080 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
9df414fe | 9081 | zvrf_id(zvrf)); |
8068a649 | 9082 | return; |
2853fed6 | 9083 | } |
9084 | ||
1002497a | 9085 | s = msg; |
ec93aa12 | 9086 | STREAM_GETC(s, advertise); |
cc6d5476 | 9087 | STREAM_GETL(s, vni); |
1a98c087 MK |
9088 | |
9089 | if (!vni) { | |
9090 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 9091 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 9092 | advertise ? "enabled" : "disabled", |
2853fed6 | 9093 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
9094 | ? "enabled" |
9095 | : "disabled"); | |
9096 | ||
9097 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 9098 | return; |
1a98c087 MK |
9099 | |
9100 | zvrf->advertise_gw_macip = advertise; | |
9101 | ||
2853fed6 | 9102 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 9103 | hash_iterate(zvrf->vni_table, |
2853fed6 | 9104 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
9105 | else |
9106 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 9107 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
9108 | |
9109 | } else { | |
9110 | struct zebra_if *zif = NULL; | |
9111 | struct zebra_l2info_vxlan zl2_info; | |
9112 | struct interface *vlan_if = NULL; | |
9113 | struct interface *vrr_if = NULL; | |
9114 | ||
01a6143b MK |
9115 | zvni = zvni_lookup(vni); |
9116 | if (!zvni) | |
124ead27 | 9117 | return; |
01a6143b | 9118 | |
1a98c087 MK |
9119 | if (IS_ZEBRA_DEBUG_VXLAN) |
9120 | zlog_debug( | |
2853fed6 | 9121 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 9122 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
9123 | advertise_gw_macip_enabled(zvni) ? "enabled" |
9124 | : "disabled"); | |
1a98c087 | 9125 | |
1a98c087 | 9126 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 9127 | return; |
1a98c087 MK |
9128 | |
9129 | zvni->advertise_gw_macip = advertise; | |
9130 | ||
b5ebdc9b | 9131 | ifp = zvni->vxlan_if; |
9132 | if (!ifp) | |
8068a649 | 9133 | return; |
b5ebdc9b | 9134 | |
9135 | zif = ifp->info; | |
9136 | ||
9137 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 9138 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 9139 | return; |
b5ebdc9b | 9140 | |
1a98c087 MK |
9141 | zl2_info = zif->l2info.vxl; |
9142 | ||
2853fed6 | 9143 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
9144 | zif->brslave_info.br_if); |
9145 | if (!vlan_if) | |
8068a649 | 9146 | return; |
1a98c087 | 9147 | |
2853fed6 | 9148 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
9149 | /* Add primary SVI MAC-IP */ |
9150 | zvni_add_macip_for_intf(vlan_if, zvni); | |
9151 | ||
9152 | /* Add VRR MAC-IP - if any*/ | |
9153 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9154 | if (vrr_if) | |
9155 | zvni_add_macip_for_intf(vrr_if, zvni); | |
9156 | } else { | |
9157 | /* Del primary MAC-IP */ | |
9158 | zvni_del_macip_for_intf(vlan_if, zvni); | |
9159 | ||
9160 | /* Del VRR MAC-IP - if any*/ | |
9161 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9162 | if (vrr_if) | |
9163 | zvni_del_macip_for_intf(vrr_if, zvni); | |
9164 | } | |
9165 | } | |
9166 | ||
ec93aa12 | 9167 | stream_failure: |
8068a649 | 9168 | return; |
1a98c087 MK |
9169 | } |
9170 | ||
9171 | ||
13d60d35 | 9172 | /* |
9173 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
9174 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
9175 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
9176 | * uninstalled from the kernel. | |
fbac9605 DS |
9177 | * This also informs the setting for BUM handling at the time this change |
9178 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 9179 | */ |
89f4e507 | 9180 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 9181 | { |
655b04d1 MK |
9182 | struct stream *s = NULL; |
9183 | int advertise = 0; | |
fbac9605 | 9184 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 9185 | |
77b998fb T |
9186 | /* Mismatch between EVPN VRF and current VRF (should be prevented by |
9187 | * bgpd's cli) */ | |
f920dd6d | 9188 | if (is_evpn_enabled() && !EVPN_ENABLED(zvrf)) |
8068a649 | 9189 | return; |
2853fed6 | 9190 | |
1002497a | 9191 | s = msg; |
ec93aa12 | 9192 | STREAM_GETC(s, advertise); |
fbac9605 | 9193 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 9194 | |
d62a17ae | 9195 | if (IS_ZEBRA_DEBUG_VXLAN) |
150971b5 T |
9196 | zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u", |
9197 | zvrf_name(zvrf), zvrf_id(zvrf), | |
d62a17ae | 9198 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
9199 | is_evpn_enabled() ? "enabled" : "disabled", |
9200 | flood_ctrl); | |
13d60d35 | 9201 | |
d62a17ae | 9202 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 9203 | return; |
13d60d35 | 9204 | |
d62a17ae | 9205 | zvrf->advertise_all_vni = advertise; |
f920dd6d | 9206 | if (EVPN_ENABLED(zvrf)) { |
0fb2ad05 | 9207 | zrouter.evpn_vrf = zvrf; |
150971b5 | 9208 | |
fbac9605 DS |
9209 | /* Note BUM handling */ |
9210 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
9211 | ||
d62a17ae | 9212 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 9213 | zvni_build_hash_table(); |
2232a77c | 9214 | |
1a98c087 MK |
9215 | /* Add all SVI (L3 GW) MACs to BGP*/ |
9216 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 9217 | NULL); |
1a98c087 | 9218 | |
d62a17ae | 9219 | /* Read the MAC FDB */ |
9220 | macfdb_read(zvrf->zns); | |
2232a77c | 9221 | |
d62a17ae | 9222 | /* Read neighbors */ |
9223 | neigh_read(zvrf->zns); | |
9224 | } else { | |
9225 | /* Cleanup VTEPs for all VNIs - uninstall from | |
9226 | * kernel and free entries. | |
9227 | */ | |
9228 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
9229 | |
9230 | /* cleanup all l3vnis */ | |
89272910 | 9231 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
150971b5 | 9232 | |
0fb2ad05 T |
9233 | /* Mark as "no EVPN VRF" */ |
9234 | zrouter.evpn_vrf = NULL; | |
d62a17ae | 9235 | } |
13d60d35 | 9236 | |
ec93aa12 | 9237 | stream_failure: |
8068a649 | 9238 | return; |
13d60d35 | 9239 | } |
9240 | ||
9241 | /* | |
9242 | * Allocate VNI hash table for this VRF and do other initialization. | |
9243 | * NOTE: Currently supported only for default VRF. | |
9244 | */ | |
d62a17ae | 9245 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9246 | { |
d62a17ae | 9247 | if (!zvrf) |
9248 | return; | |
9249 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
9250 | "Zebra VRF VNI Table"); | |
015d264c AK |
9251 | zvrf->vxlan_sg_table = hash_create(zebra_vxlan_sg_hash_key_make, |
9252 | zebra_vxlan_sg_hash_eq, "Zebra VxLAN SG Table"); | |
13d60d35 | 9253 | } |
9254 | ||
84915b0a | 9255 | /* Cleanup VNI info, but don't free the table. */ |
9256 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
9257 | { | |
9258 | if (!zvrf) | |
9259 | return; | |
9260 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
abfa0a96 | 9261 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_cleanup, NULL); |
84915b0a | 9262 | } |
9263 | ||
13d60d35 | 9264 | /* Close all VNI handling */ |
d62a17ae | 9265 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9266 | { |
2853fed6 | 9267 | if (!zvrf) |
9268 | return; | |
d62a17ae | 9269 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 9270 | hash_free(zvrf->vni_table); |
13d60d35 | 9271 | } |
b7cfce93 MK |
9272 | |
9273 | /* init the l3vni table */ | |
6548050a | 9274 | void zebra_vxlan_init(void) |
b7cfce93 | 9275 | { |
89272910 DS |
9276 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
9277 | "Zebra VRF L3 VNI table"); | |
0fb2ad05 | 9278 | zrouter.evpn_vrf = NULL; |
b7cfce93 MK |
9279 | } |
9280 | ||
9281 | /* free l3vni table */ | |
6548050a | 9282 | void zebra_vxlan_disable(void) |
b7cfce93 | 9283 | { |
89272910 | 9284 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 9285 | } |
d3135ba3 | 9286 | |
9287 | /* get the l3vni svi ifindex */ | |
9288 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
9289 | { | |
9290 | zebra_l3vni_t *zl3vni = NULL; | |
9291 | ||
9292 | zl3vni = zl3vni_from_vrf(vrf_id); | |
9293 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
9294 | return 0; | |
9295 | ||
9296 | return zl3vni->svi_if->ifindex; | |
9297 | } | |
c80a972c CS |
9298 | |
9299 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t) | |
9300 | { | |
9301 | struct zebra_vrf *zvrf = NULL; | |
9302 | zebra_neigh_t *nbr = NULL; | |
9303 | zebra_vni_t *zvni = NULL; | |
9304 | char buf1[INET6_ADDRSTRLEN]; | |
9305 | char buf2[ETHER_ADDR_STRLEN]; | |
9306 | ||
9307 | nbr = THREAD_ARG(t); | |
9308 | ||
9309 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9310 | zvrf = vrf_info_lookup(nbr->zvni->vrf_id); |
9311 | if (!zvrf) | |
979777b2 | 9312 | return 0; |
c80a972c CS |
9313 | |
9314 | zvni = zvni_lookup(nbr->zvni->vni); | |
9315 | if (!zvni) | |
979777b2 | 9316 | return 0; |
c80a972c | 9317 | |
8a3bc58e DS |
9318 | nbr = zvni_neigh_lookup(zvni, &nbr->ip); |
9319 | if (!nbr) | |
979777b2 | 9320 | return 0; |
c80a972c CS |
9321 | |
9322 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9323 | zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x learn count %u vni %u auto recovery expired", | |
9324 | __PRETTY_FUNCTION__, | |
c34e362b CS |
9325 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2)), |
9326 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
c80a972c CS |
9327 | nbr->flags, |
9328 | nbr->dad_count, zvni->vni); | |
9329 | ||
9330 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9331 | nbr->dad_count = 0; | |
9332 | nbr->detect_start_time.tv_sec = 0; | |
9333 | nbr->detect_start_time.tv_usec = 0; | |
9334 | nbr->dad_dup_detect_time = 0; | |
9335 | nbr->dad_ip_auto_recovery_timer = NULL; | |
c34e362b | 9336 | ZEBRA_NEIGH_SET_ACTIVE(nbr); |
c80a972c CS |
9337 | |
9338 | /* Send to BGP */ | |
9339 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
9340 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, &nbr->emac, | |
9341 | nbr->flags, nbr->loc_seq); | |
9342 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
9343 | zvni_neigh_install(zvni, nbr); | |
9344 | } | |
9345 | ||
c80a972c CS |
9346 | return 0; |
9347 | } | |
9348 | ||
9349 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t) | |
9350 | { | |
9351 | struct zebra_vrf *zvrf = NULL; | |
9352 | zebra_mac_t *mac = NULL; | |
9353 | zebra_vni_t *zvni = NULL; | |
9354 | struct listnode *node = NULL; | |
9355 | zebra_neigh_t *nbr = NULL; | |
9356 | char buf[ETHER_ADDR_STRLEN]; | |
9357 | ||
9358 | mac = THREAD_ARG(t); | |
9359 | ||
9360 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9361 | zvrf = vrf_info_lookup(mac->zvni->vrf_id); |
9362 | if (!zvrf) | |
979777b2 | 9363 | return 0; |
c80a972c CS |
9364 | |
9365 | zvni = zvni_lookup(mac->zvni->vni); | |
9366 | if (!zvni) | |
979777b2 | 9367 | return 0; |
c80a972c | 9368 | |
8a3bc58e DS |
9369 | mac = zvni_mac_lookup(zvni, &mac->macaddr); |
9370 | if (!mac) | |
979777b2 | 9371 | return 0; |
c80a972c CS |
9372 | |
9373 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9374 | zlog_debug("%s: duplicate addr mac %s flags 0x%x learn count %u host count %u auto recovery expired", | |
9375 | __PRETTY_FUNCTION__, | |
9376 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
9377 | mac->flags, | |
9378 | mac->dad_count, | |
9379 | listcount(mac->neigh_list)); | |
9380 | ||
9381 | /* Remove all IPs as duplicate associcated with this MAC */ | |
9382 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
a4445ece | 9383 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { |
c80a972c CS |
9384 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
9385 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
9386 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
9387 | zvni_neigh_install(zvni, nbr); | |
9388 | } | |
9389 | ||
9390 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9391 | nbr->dad_count = 0; | |
9392 | nbr->detect_start_time.tv_sec = 0; | |
9393 | nbr->dad_dup_detect_time = 0; | |
9394 | } | |
9395 | ||
9396 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
9397 | mac->dad_count = 0; | |
9398 | mac->detect_start_time.tv_sec = 0; | |
9399 | mac->detect_start_time.tv_usec = 0; | |
9400 | mac->dad_dup_detect_time = 0; | |
9401 | mac->dad_mac_auto_recovery_timer = NULL; | |
9402 | ||
9403 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
9404 | /* Inform to BGP */ | |
9405 | if (zvni_mac_send_add_to_client(zvni->vni, &mac->macaddr, | |
9406 | mac->flags, mac->loc_seq)) | |
9407 | return -1; | |
9408 | ||
9409 | /* Process all neighbors associated with this MAC. */ | |
9410 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
9411 | ||
9412 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
9413 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
9414 | ||
9415 | /* Install the entry. */ | |
9416 | zvni_mac_install(zvni, mac); | |
9417 | } | |
9418 | ||
c80a972c CS |
9419 | return 0; |
9420 | } | |
015d264c AK |
9421 | |
9422 | /************************** vxlan SG cache management ************************/ | |
4ab3321f AK |
9423 | /* Inform PIM about the mcast group */ |
9424 | static int zebra_vxlan_sg_send(struct prefix_sg *sg, | |
9425 | char *sg_str, uint16_t cmd) | |
9426 | { | |
9427 | struct zserv *client = NULL; | |
9428 | struct stream *s = NULL; | |
9429 | ||
9430 | client = zserv_find_client(ZEBRA_ROUTE_PIM, 0); | |
9431 | if (!client) | |
9432 | return 0; | |
9433 | ||
9434 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
9435 | ||
9436 | zclient_create_header(s, cmd, VRF_DEFAULT); | |
9437 | stream_putl(s, IPV4_MAX_BYTELEN); | |
9438 | stream_put(s, &sg->src.s_addr, IPV4_MAX_BYTELEN); | |
9439 | stream_put(s, &sg->grp.s_addr, IPV4_MAX_BYTELEN); | |
9440 | ||
9441 | /* Write packet size. */ | |
9442 | stream_putw_at(s, 0, stream_get_endp(s)); | |
9443 | ||
9444 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9445 | zlog_debug( | |
9446 | "Send %s %s to %s", | |
9447 | (cmd == ZEBRA_VXLAN_SG_ADD) ? "add" : "del", sg_str, | |
9448 | zebra_route_string(client->proto)); | |
9449 | ||
9450 | if (cmd == ZEBRA_VXLAN_SG_ADD) | |
9451 | client->vxlan_sg_add_cnt++; | |
9452 | else | |
9453 | client->vxlan_sg_del_cnt++; | |
9454 | ||
9455 | return zserv_send_message(client, s); | |
9456 | } | |
9457 | ||
015d264c AK |
9458 | static unsigned int zebra_vxlan_sg_hash_key_make(void *p) |
9459 | { | |
9460 | zebra_vxlan_sg_t *vxlan_sg = p; | |
9461 | ||
9462 | return (jhash_2words(vxlan_sg->sg.src.s_addr, | |
9463 | vxlan_sg->sg.grp.s_addr, 0)); | |
9464 | } | |
9465 | ||
9466 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2) | |
9467 | { | |
9468 | const zebra_vxlan_sg_t *sg1 = p1; | |
9469 | const zebra_vxlan_sg_t *sg2 = p2; | |
9470 | ||
9471 | return ((sg1->sg.src.s_addr == sg2->sg.src.s_addr) | |
9472 | && (sg1->sg.grp.s_addr == sg2->sg.grp.s_addr)); | |
9473 | } | |
9474 | ||
9475 | static zebra_vxlan_sg_t *zebra_vxlan_sg_new(struct zebra_vrf *zvrf, | |
9476 | struct prefix_sg *sg) | |
9477 | { | |
9478 | zebra_vxlan_sg_t *vxlan_sg; | |
9479 | ||
9480 | vxlan_sg = XCALLOC(MTYPE_ZVXLAN_SG, sizeof(*vxlan_sg)); | |
9481 | ||
9482 | vxlan_sg->zvrf = zvrf; | |
9483 | vxlan_sg->sg = *sg; | |
9484 | prefix_sg2str(sg, vxlan_sg->sg_str); | |
9485 | ||
9486 | vxlan_sg = hash_get(zvrf->vxlan_sg_table, vxlan_sg, hash_alloc_intern); | |
9487 | ||
9488 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9489 | zlog_debug("vxlan SG %s created", vxlan_sg->sg_str); | |
9490 | ||
9491 | return vxlan_sg; | |
9492 | } | |
9493 | ||
9494 | static zebra_vxlan_sg_t *zebra_vxlan_sg_find(struct zebra_vrf *zvrf, | |
9495 | struct prefix_sg *sg) | |
9496 | { | |
9497 | zebra_vxlan_sg_t lookup; | |
9498 | ||
9499 | lookup.sg = *sg; | |
9500 | return hash_lookup(zvrf->vxlan_sg_table, &lookup); | |
9501 | } | |
9502 | ||
9503 | static zebra_vxlan_sg_t *zebra_vxlan_sg_add(struct zebra_vrf *zvrf, | |
9504 | struct prefix_sg *sg) | |
9505 | { | |
9506 | zebra_vxlan_sg_t *vxlan_sg; | |
9507 | zebra_vxlan_sg_t *parent = NULL; | |
9508 | struct in_addr sip; | |
9509 | ||
9510 | vxlan_sg = zebra_vxlan_sg_find(zvrf, sg); | |
9511 | if (vxlan_sg) | |
9512 | return vxlan_sg; | |
9513 | ||
9514 | /* create a *G entry for every BUM group implicitly - | |
9515 | * 1. The SG entry is used by pimd to setup the vxlan-origination-mroute | |
9516 | * 2. the XG entry is used by pimd to setup the | |
9517 | * vxlan-termination-mroute | |
9518 | */ | |
9519 | if (sg->src.s_addr) { | |
9520 | memset(&sip, 0, sizeof(sip)); | |
9521 | parent = zebra_vxlan_sg_do_ref(zvrf, sip, sg->grp); | |
9522 | if (!parent) | |
9523 | return NULL; | |
9524 | } | |
9525 | ||
9526 | vxlan_sg = zebra_vxlan_sg_new(zvrf, sg); | |
9527 | if (!vxlan_sg) { | |
9528 | if (parent) | |
9529 | zebra_vxlan_sg_do_deref(zvrf, sip, sg->grp); | |
9530 | return vxlan_sg; | |
9531 | } | |
9532 | ||
4ab3321f AK |
9533 | zebra_vxlan_sg_send(sg, vxlan_sg->sg_str, ZEBRA_VXLAN_SG_ADD); |
9534 | ||
015d264c AK |
9535 | return vxlan_sg; |
9536 | } | |
9537 | ||
9538 | static void zebra_vxlan_sg_del(zebra_vxlan_sg_t *vxlan_sg) | |
9539 | { | |
9540 | struct in_addr sip; | |
9541 | struct zebra_vrf *zvrf; | |
9542 | ||
9543 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
9544 | if (!zvrf) | |
9545 | return; | |
9546 | ||
9547 | /* On SG entry deletion remove the reference to its parent XG | |
9548 | * entry | |
9549 | */ | |
9550 | if (vxlan_sg->sg.src.s_addr) { | |
9551 | memset(&sip, 0, sizeof(sip)); | |
9552 | zebra_vxlan_sg_do_deref(zvrf, sip, vxlan_sg->sg.grp); | |
9553 | } | |
9554 | ||
4ab3321f AK |
9555 | zebra_vxlan_sg_send(&vxlan_sg->sg, vxlan_sg->sg_str, |
9556 | ZEBRA_VXLAN_SG_DEL); | |
9557 | ||
015d264c AK |
9558 | hash_release(vxlan_sg->zvrf->vxlan_sg_table, vxlan_sg); |
9559 | ||
9560 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9561 | zlog_debug("VXLAN SG %s deleted", vxlan_sg->sg_str); | |
9562 | ||
9563 | XFREE(MTYPE_ZVXLAN_SG, vxlan_sg); | |
9564 | } | |
9565 | ||
9566 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
9567 | struct in_addr sip, struct in_addr mcast_grp) | |
9568 | { | |
9569 | zebra_vxlan_sg_t *vxlan_sg; | |
9570 | struct prefix_sg sg; | |
9571 | ||
9572 | sg.family = AF_INET; | |
9573 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
9574 | sg.src = sip; | |
9575 | sg.grp = mcast_grp; | |
9576 | vxlan_sg = zebra_vxlan_sg_find(zvrf, &sg); | |
9577 | if (!vxlan_sg) | |
9578 | return; | |
9579 | ||
9580 | if (vxlan_sg->ref_cnt) | |
9581 | --vxlan_sg->ref_cnt; | |
9582 | ||
9583 | if (!vxlan_sg->ref_cnt) | |
9584 | zebra_vxlan_sg_del(vxlan_sg); | |
9585 | } | |
9586 | ||
9587 | static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *zvrf, | |
9588 | struct in_addr sip, struct in_addr mcast_grp) | |
9589 | { | |
9590 | zebra_vxlan_sg_t *vxlan_sg; | |
9591 | struct prefix_sg sg; | |
9592 | ||
9593 | sg.family = AF_INET; | |
9594 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
9595 | sg.src = sip; | |
9596 | sg.grp = mcast_grp; | |
9597 | vxlan_sg = zebra_vxlan_sg_add(zvrf, &sg); | |
9598 | if (vxlan_sg) | |
9599 | ++vxlan_sg->ref_cnt; | |
9600 | ||
9601 | return vxlan_sg; | |
9602 | } | |
abfa0a96 AK |
9603 | |
9604 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, | |
9605 | struct in_addr mcast_grp) | |
9606 | { | |
9607 | struct zebra_vrf *zvrf; | |
9608 | ||
9609 | if (!local_vtep_ip.s_addr || !mcast_grp.s_addr) | |
9610 | return; | |
9611 | ||
9612 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
9613 | if (!zvrf) | |
9614 | return; | |
9615 | ||
9616 | zebra_vxlan_sg_do_deref(zvrf, local_vtep_ip, mcast_grp); | |
9617 | } | |
9618 | ||
9619 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
9620 | struct in_addr mcast_grp) | |
9621 | { | |
9622 | struct zebra_vrf *zvrf; | |
9623 | ||
9624 | if (!local_vtep_ip.s_addr || !mcast_grp.s_addr) | |
9625 | return; | |
9626 | ||
9627 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
9628 | if (!zvrf) | |
9629 | return; | |
9630 | zebra_vxlan_sg_do_ref(zvrf, local_vtep_ip, mcast_grp); | |
9631 | } | |
9632 | ||
9633 | static void zebra_vxlan_sg_cleanup(struct hash_backet *backet, void *arg) | |
9634 | { | |
9635 | zebra_vxlan_sg_t *vxlan_sg = (zebra_vxlan_sg_t *)backet->data; | |
9636 | ||
9637 | zebra_vxlan_sg_del(vxlan_sg); | |
9638 | } |