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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 | |
a780a738 AD |
63 | DEFINE_HOOK(zebra_rmac_update, (zebra_mac_t *rmac, zebra_l3vni_t *zl3vni, |
64 | bool delete, const char *reason), (rmac, zl3vni, delete, reason)) | |
65 | ||
13d60d35 | 66 | /* definitions */ |
9718c54e AK |
67 | /* PMSI strings. */ |
68 | #define VXLAN_FLOOD_STR_NO_INFO "-" | |
69 | #define VXLAN_FLOOD_STR_DEFAULT VXLAN_FLOOD_STR_NO_INFO | |
70 | static const struct message zvtep_flood_str[] = { | |
71 | {VXLAN_FLOOD_DISABLED, VXLAN_FLOOD_STR_NO_INFO}, | |
72 | {VXLAN_FLOOD_PIM_SM, "PIM-SM"}, | |
73 | {VXLAN_FLOOD_HEAD_END_REPL, "HER"}, | |
74 | {0} | |
75 | }; | |
76 | ||
13d60d35 | 77 | |
13d60d35 | 78 | /* static function declarations */ |
996c9314 LB |
79 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
80 | uint16_t cmd); | |
cd233079 | 81 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
e3b78da8 TB |
82 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt); |
83 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt); | |
84 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, | |
cd233079 | 85 | void **args); |
c0e519d3 MK |
86 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
87 | json_object *json); | |
316f4ca4 MK |
88 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
89 | json_object *json); | |
24cdbd0d | 90 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json); |
e3b78da8 TB |
91 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt); |
92 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt); | |
cd233079 | 93 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
e3b78da8 | 94 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]); |
d62a17ae | 95 | |
996c9314 | 96 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 97 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 98 | uint32_t seq, int state, uint16_t cmd); |
d8b87afe | 99 | static unsigned int neigh_hash_keymake(const void *p); |
d62a17ae | 100 | static void *zvni_neigh_alloc(void *p); |
b6938a74 MK |
101 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
102 | struct ethaddr *mac); | |
d62a17ae | 103 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 104 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
105 | struct in_addr *r_vtep_ip); | |
996c9314 | 106 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 107 | uint32_t flags); |
d62a17ae | 108 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 109 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 110 | struct ethaddr *macaddr, |
f07e1c99 | 111 | uint8_t flags, uint32_t seq); |
996c9314 | 112 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 113 | struct ethaddr *macaddr, |
2c476b72 | 114 | uint8_t flags, int state); |
d62a17ae | 115 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
116 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
44bc8ae5 | 117 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n); |
b7cfce93 | 118 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
119 | struct interface *br_if); |
120 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
06d9cde5 CS |
121 | static struct interface *zvni_map_to_macvlan(struct interface *br_if, |
122 | struct interface *svi_if); | |
d62a17ae | 123 | |
b7cfce93 | 124 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 125 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
126 | struct ipaddr *ip); |
127 | static void *zl3vni_nh_alloc(void *p); | |
128 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
129 | struct ipaddr *vtep_ip, | |
130 | struct ethaddr *rmac); | |
131 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
132 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 133 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
134 | |
135 | /* l3-vni rmac related APIs */ | |
e3b78da8 | 136 | static void zl3vni_print_rmac_hash(struct hash_bucket *, void *); |
2dbad57f | 137 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
138 | struct ethaddr *rmac); |
139 | static void *zl3vni_rmac_alloc(void *p); | |
140 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
141 | struct ethaddr *rmac); | |
142 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
143 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 144 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
145 | |
146 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
147 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
148 | static void *zl3vni_alloc(void *p); | |
149 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
150 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
151 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
152 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
153 | ||
d8b87afe | 154 | static unsigned int mac_hash_keymake(const void *p); |
74df8d6d | 155 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 156 | static void *zvni_mac_alloc(void *p); |
157 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
158 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 159 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
160 | struct in_addr *r_vtep_ip); | |
996c9314 | 161 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 162 | uint32_t flags); |
d62a17ae | 163 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 164 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 165 | uint8_t flags, uint32_t seq); |
e98e4b88 | 166 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr); |
d62a17ae | 167 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
168 | struct interface *br_if, vlanid_t vid); | |
169 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 170 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
e3b78da8 | 171 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt); |
d62a17ae | 172 | |
d8b87afe | 173 | static unsigned int vni_hash_keymake(const void *p); |
d62a17ae | 174 | static void *zvni_alloc(void *p); |
2853fed6 | 175 | static zebra_vni_t *zvni_lookup(vni_t vni); |
176 | static zebra_vni_t *zvni_add(vni_t vni); | |
177 | static int zvni_del(zebra_vni_t *zvni); | |
178 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
179 | static int zvni_send_del_to_client(vni_t vni); | |
4d762f26 | 180 | static void zvni_build_hash_table(void); |
d62a17ae | 181 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
182 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
9718c54e AK |
183 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip, |
184 | int flood_control); | |
d62a17ae | 185 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); |
186 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
9718c54e | 187 | static int zvni_vtep_install(zebra_vni_t *zvni, zebra_vtep_t *zvtep); |
d62a17ae | 188 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); |
1a98c087 MK |
189 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
190 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
191 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
192 | struct ethaddr *macaddr, struct ipaddr *ip); | |
193 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
194 | struct ipaddr *ip); | |
195 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 196 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
278e26de | 197 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni); |
e22a946a CS |
198 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, |
199 | zebra_mac_t *old_zmac, | |
200 | zebra_mac_t *new_zmac, | |
201 | zebra_neigh_t *nbr); | |
fe697c6b | 202 | static int remote_neigh_count(zebra_mac_t *zmac); |
203 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
c80a972c CS |
204 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t); |
205 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t); | |
7510e459 CS |
206 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
207 | zebra_neigh_t *nbr, | |
208 | struct in_addr vtep_ip, | |
209 | bool do_dad, | |
210 | bool *is_dup_detect, | |
211 | bool is_local); | |
bdca1974 CS |
212 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
213 | zebra_mac_t *mac, | |
214 | struct in_addr vtep_ip, | |
215 | bool do_dad, | |
216 | bool *is_dup_detect, | |
217 | bool is_local); | |
d8b87afe | 218 | static unsigned int zebra_vxlan_sg_hash_key_make(const void *p); |
015d264c AK |
219 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2); |
220 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
221 | struct in_addr sip, struct in_addr mcast_grp); | |
222 | static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *vrf, | |
223 | struct in_addr sip, struct in_addr mcast_grp); | |
abfa0a96 AK |
224 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, |
225 | struct in_addr mcast_grp); | |
226 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
227 | struct in_addr mcast_grp); | |
7f5818fb | 228 | static void zebra_vxlan_sg_cleanup(struct hash_bucket *bucket, void *arg); |
13d60d35 | 229 | |
27627f9a KA |
230 | static void zvni_send_mac_to_client(zebra_vni_t *zvn); |
231 | static void zvni_send_neigh_to_client(zebra_vni_t *zvni); | |
232 | ||
13d60d35 | 233 | /* Private functions */ |
5e1b0650 | 234 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 235 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
236 | { |
237 | if (hle1->p.family < hle2->p.family) | |
238 | return -1; | |
239 | ||
240 | if (hle1->p.family > hle2->p.family) | |
241 | return 1; | |
242 | ||
243 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
244 | return -1; | |
245 | ||
246 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
247 | return 1; | |
248 | ||
249 | if (hle1->p.family == AF_INET) { | |
250 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
251 | return -1; | |
252 | ||
253 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
254 | return 1; | |
255 | ||
256 | return 0; | |
2acc2310 DS |
257 | } else if (hle1->p.family == AF_INET6) { |
258 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
259 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 260 | } else { |
9df414fe QY |
261 | zlog_debug("%s: Unexpected family type: %d", |
262 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
263 | return 0; |
264 | } | |
265 | } | |
85442b09 | 266 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 267 | |
85442b09 | 268 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
269 | { |
270 | struct host_rb_entry *hle; | |
271 | uint32_t count = 0; | |
272 | ||
85442b09 | 273 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
274 | count++; |
275 | ||
276 | return count; | |
277 | } | |
13d60d35 | 278 | |
790f8dc5 | 279 | /* |
280 | * Return number of valid MACs in a VNI's MAC hash table - all | |
281 | * remote MACs and non-internal (auto) local MACs count. | |
282 | */ | |
d7c0a89a | 283 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 284 | { |
285 | unsigned int i; | |
d7c0a89a | 286 | uint32_t num_macs = 0; |
790f8dc5 | 287 | struct hash *hash; |
e3b78da8 | 288 | struct hash_bucket *hb; |
790f8dc5 | 289 | zebra_mac_t *mac; |
290 | ||
291 | hash = zvni->mac_table; | |
292 | if (!hash) | |
293 | return num_macs; | |
294 | for (i = 0; i < hash->size; i++) { | |
295 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
296 | mac = (zebra_mac_t *)hb->data; | |
297 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 298 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 299 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
300 | num_macs++; | |
301 | } | |
302 | } | |
303 | ||
304 | return num_macs; | |
305 | } | |
306 | ||
1374d4db CS |
307 | static uint32_t num_dup_detected_macs(zebra_vni_t *zvni) |
308 | { | |
309 | unsigned int i; | |
310 | uint32_t num_macs = 0; | |
311 | struct hash *hash; | |
e3b78da8 | 312 | struct hash_bucket *hb; |
1374d4db CS |
313 | zebra_mac_t *mac; |
314 | ||
315 | hash = zvni->mac_table; | |
316 | if (!hash) | |
317 | return num_macs; | |
318 | for (i = 0; i < hash->size; i++) { | |
319 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
320 | mac = (zebra_mac_t *)hb->data; | |
321 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
322 | num_macs++; | |
323 | } | |
324 | } | |
325 | ||
326 | return num_macs; | |
327 | } | |
328 | ||
329 | static uint32_t num_dup_detected_neighs(zebra_vni_t *zvni) | |
330 | { | |
331 | unsigned int i; | |
332 | uint32_t num_neighs = 0; | |
333 | struct hash *hash; | |
e3b78da8 | 334 | struct hash_bucket *hb; |
1374d4db CS |
335 | zebra_neigh_t *nbr; |
336 | ||
337 | hash = zvni->neigh_table; | |
338 | if (!hash) | |
339 | return num_neighs; | |
340 | for (i = 0; i < hash->size; i++) { | |
341 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
342 | nbr = (zebra_neigh_t *)hb->data; | |
343 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
344 | num_neighs++; | |
345 | } | |
346 | } | |
347 | ||
348 | return num_neighs; | |
349 | } | |
350 | ||
2853fed6 | 351 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 352 | { |
2853fed6 | 353 | struct zebra_vrf *zvrf; |
354 | ||
150971b5 | 355 | zvrf = zebra_vrf_get_evpn(); |
1a98c087 MK |
356 | if (zvrf && zvrf->advertise_gw_macip) |
357 | return 1; | |
358 | ||
359 | if (zvni && zvni->advertise_gw_macip) | |
360 | return 1; | |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
278e26de CS |
365 | static int advertise_svi_macip_enabled(zebra_vni_t *zvni) |
366 | { | |
367 | struct zebra_vrf *zvrf; | |
368 | ||
a0b0b5c8 | 369 | zvrf = zebra_vrf_get_evpn(); |
278e26de CS |
370 | if (zvrf && zvrf->advertise_svi_macip) |
371 | return 1; | |
372 | ||
373 | if (zvni && zvni->advertise_svi_macip) | |
374 | return 1; | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
e22a946a | 379 | /* As part Duplicate Address Detection (DAD) for IP mobility |
979777b2 CS |
380 | * MAC binding changes, ensure to inherit duplicate flag |
381 | * from MAC. | |
e22a946a CS |
382 | */ |
383 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, | |
384 | zebra_mac_t *old_zmac, | |
385 | zebra_mac_t *new_zmac, | |
386 | zebra_neigh_t *nbr) | |
387 | { | |
388 | bool is_old_mac_dup = false; | |
389 | bool is_new_mac_dup = false; | |
390 | ||
391 | if (!zvrf->dup_addr_detect) | |
392 | return 0; | |
393 | /* Check old or new MAC is detected as duplicate | |
394 | * mark this neigh as duplicate | |
395 | */ | |
396 | if (old_zmac) | |
397 | is_old_mac_dup = CHECK_FLAG(old_zmac->flags, | |
398 | ZEBRA_MAC_DUPLICATE); | |
399 | if (new_zmac) | |
400 | is_new_mac_dup = CHECK_FLAG(new_zmac->flags, | |
401 | ZEBRA_MAC_DUPLICATE); | |
402 | /* Old and/or new MAC can be in duplicate state, | |
403 | * based on that IP/Neigh Inherits the flag. | |
404 | * If New MAC is marked duplicate, inherit to the IP. | |
405 | * If old MAC is duplicate but new MAC is not, clear | |
406 | * duplicate flag for IP and reset detection params | |
407 | * and let IP DAD retrigger. | |
408 | */ | |
409 | if (is_new_mac_dup && !CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
410 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
411 | /* Capture Duplicate detection time */ | |
412 | nbr->dad_dup_detect_time = monotime(NULL); | |
c34e362b CS |
413 | /* Mark neigh inactive */ |
414 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
415 | ||
e22a946a CS |
416 | return 1; |
417 | } else if (is_old_mac_dup && !is_new_mac_dup) { | |
418 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
419 | nbr->dad_count = 0; | |
420 | nbr->detect_start_time.tv_sec = 0; | |
421 | nbr->detect_start_time.tv_usec = 0; | |
422 | } | |
423 | return 0; | |
424 | } | |
425 | ||
bdca1974 CS |
426 | static void zebra_vxlan_dup_addr_detect_for_mac(struct zebra_vrf *zvrf, |
427 | zebra_mac_t *mac, | |
428 | struct in_addr vtep_ip, | |
429 | bool do_dad, | |
430 | bool *is_dup_detect, | |
431 | bool is_local) | |
432 | { | |
433 | zebra_neigh_t *nbr; | |
434 | struct listnode *node = NULL; | |
435 | struct timeval elapsed = {0, 0}; | |
436 | char buf[ETHER_ADDR_STRLEN]; | |
437 | char buf1[INET6_ADDRSTRLEN]; | |
438 | bool reset_params = false; | |
439 | ||
440 | if (!(zvrf->dup_addr_detect && do_dad)) | |
441 | return; | |
442 | ||
443 | /* MAC is detected as duplicate, | |
444 | * Local MAC event -> hold on advertising to BGP. | |
445 | * Remote MAC event -> hold on installing it. | |
446 | */ | |
447 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
448 | if (IS_ZEBRA_DEBUG_VXLAN) | |
449 | zlog_debug( | |
450 | "%s: duplicate addr MAC %s flags 0x%x skip update to client, learn count %u recover time %u", | |
451 | __PRETTY_FUNCTION__, | |
452 | prefix_mac2str(&mac->macaddr, buf, | |
453 | sizeof(buf)), | |
454 | mac->flags, mac->dad_count, | |
455 | zvrf->dad_freeze_time); | |
456 | ||
457 | /* For duplicate MAC do not update | |
458 | * client but update neigh due to | |
459 | * this MAC update. | |
460 | */ | |
461 | if (zvrf->dad_freeze) | |
a4445ece | 462 | *is_dup_detect = true; |
bdca1974 CS |
463 | |
464 | return; | |
465 | } | |
466 | ||
467 | /* Check if detection time (M-secs) expired. | |
468 | * Reset learn count and detection start time. | |
469 | */ | |
470 | monotime_since(&mac->detect_start_time, &elapsed); | |
471 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
472 | if (is_local && !reset_params) { | |
473 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
474 | * event via LOCAL learning starts an M-second timer. | |
475 | * | |
476 | * NOTE: This is the START of the probe with count is | |
477 | * 0 during LOCAL learn event. | |
478 | * (mac->dad_count == 0 || elapsed.tv_sec >= zvrf->dad_time) | |
479 | */ | |
480 | reset_params = !mac->dad_count; | |
481 | } | |
482 | ||
483 | if (reset_params) { | |
484 | if (IS_ZEBRA_DEBUG_VXLAN) | |
485 | zlog_debug( | |
486 | "%s: duplicate addr MAC %s flags 0x%x detection time passed, reset learn count %u" | |
487 | , __PRETTY_FUNCTION__, | |
488 | prefix_mac2str(&mac->macaddr, buf, | |
489 | sizeof(buf)), | |
490 | mac->flags, mac->dad_count); | |
491 | ||
492 | mac->dad_count = 0; | |
493 | /* Start dup. addr detection (DAD) start time, | |
494 | * ONLY during LOCAL learn. | |
495 | */ | |
496 | if (is_local) | |
497 | monotime(&mac->detect_start_time); | |
498 | ||
499 | } else if (!is_local) { | |
500 | /* For REMOTE MAC, increment detection count | |
501 | * ONLY while in probe window, once window passed, | |
502 | * next local learn event should trigger DAD. | |
503 | */ | |
504 | mac->dad_count++; | |
505 | } | |
506 | ||
507 | /* For LOCAL MAC learn event, once count is reset above via either | |
508 | * initial/start detection time or passed the probe time, the count | |
509 | * needs to be incremented. | |
510 | */ | |
511 | if (is_local) | |
512 | mac->dad_count++; | |
513 | ||
bdca1974 CS |
514 | if (mac->dad_count >= zvrf->dad_max_moves) { |
515 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
516 | "VNI %u: MAC %s detected as duplicate during %s VTEP %s", | |
517 | mac->zvni->vni, | |
518 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
519 | is_local ? "local update, last" : | |
520 | "remote update, from", inet_ntoa(vtep_ip)); | |
521 | ||
522 | SET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
523 | ||
524 | /* Capture Duplicate detection time */ | |
525 | mac->dad_dup_detect_time = monotime(NULL); | |
526 | ||
527 | /* Mark all IPs/Neighs as duplicate | |
528 | * associcated with this MAC | |
529 | */ | |
530 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
531 | ||
532 | /* Ony Mark IPs which are Local */ | |
533 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
534 | continue; | |
535 | ||
536 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
537 | ||
538 | nbr->dad_dup_detect_time = monotime(NULL); | |
539 | ||
540 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
541 | "VNI %u: MAC %s IP %s detected as duplicate during %s update, inherit duplicate from MAC", | |
542 | mac->zvni->vni, | |
543 | prefix_mac2str(&mac->macaddr, | |
544 | buf, sizeof(buf)), | |
545 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
546 | is_local ? "local" : "remote"); | |
547 | } | |
548 | ||
549 | /* Start auto recovery timer for this MAC */ | |
550 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
551 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
552 | if (IS_ZEBRA_DEBUG_VXLAN) | |
553 | zlog_debug( | |
554 | "%s: duplicate addr MAC %s flags 0x%x auto recovery time %u start" | |
555 | , __PRETTY_FUNCTION__, | |
556 | prefix_mac2str(&mac->macaddr, buf, | |
557 | sizeof(buf)), | |
558 | mac->flags, zvrf->dad_freeze_time); | |
559 | ||
3801e764 | 560 | thread_add_timer(zrouter.master, |
bdca1974 CS |
561 | zebra_vxlan_dad_mac_auto_recovery_exp, |
562 | mac, zvrf->dad_freeze_time, | |
563 | &mac->dad_mac_auto_recovery_timer); | |
564 | } | |
565 | ||
a4445ece | 566 | /* In case of local update, do not inform to client (BGPd), |
bdca1974 CS |
567 | * upd_neigh for neigh sequence change. |
568 | */ | |
569 | if (zvrf->dad_freeze) | |
a4445ece | 570 | *is_dup_detect = true; |
bdca1974 CS |
571 | } |
572 | } | |
573 | ||
7510e459 CS |
574 | static void zebra_vxlan_dup_addr_detect_for_neigh(struct zebra_vrf *zvrf, |
575 | zebra_neigh_t *nbr, | |
576 | struct in_addr vtep_ip, | |
577 | bool do_dad, | |
578 | bool *is_dup_detect, | |
579 | bool is_local) | |
580 | { | |
581 | ||
582 | struct timeval elapsed = {0, 0}; | |
583 | char buf[ETHER_ADDR_STRLEN]; | |
584 | char buf1[INET6_ADDRSTRLEN]; | |
585 | bool reset_params = false; | |
586 | ||
587 | if (!zvrf->dup_addr_detect) | |
588 | return; | |
589 | ||
590 | /* IP is detected as duplicate or inherit dup | |
591 | * state, hold on to install as remote entry | |
592 | * only if freeze is enabled. | |
593 | */ | |
594 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
595 | if (IS_ZEBRA_DEBUG_VXLAN) | |
596 | zlog_debug( | |
597 | "%s: duplicate addr MAC %s IP %s flags 0x%x skip installing, learn count %u recover time %u", | |
598 | __PRETTY_FUNCTION__, | |
599 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
600 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
601 | nbr->flags, nbr->dad_count, | |
602 | zvrf->dad_freeze_time); | |
603 | ||
604 | if (zvrf->dad_freeze) | |
605 | *is_dup_detect = true; | |
753ad4fe | 606 | |
7510e459 CS |
607 | /* warn-only action, neigh will be installed. |
608 | * freeze action, it wil not be installed. | |
609 | */ | |
610 | return; | |
611 | } | |
612 | ||
613 | if (!do_dad) | |
614 | return; | |
615 | ||
616 | /* Check if detection time (M-secs) expired. | |
617 | * Reset learn count and detection start time. | |
618 | * During remote mac add, count should already be 1 | |
619 | * via local learning. | |
620 | */ | |
621 | monotime_since(&nbr->detect_start_time, &elapsed); | |
622 | reset_params = (elapsed.tv_sec > zvrf->dad_time); | |
623 | ||
624 | if (is_local && !reset_params) { | |
625 | /* RFC-7432: A PE/VTEP that detects a MAC mobility | |
626 | * event via LOCAL learning starts an M-second timer. | |
627 | * | |
628 | * NOTE: This is the START of the probe with count is | |
629 | * 0 during LOCAL learn event. | |
630 | */ | |
631 | reset_params = !nbr->dad_count; | |
632 | } | |
633 | ||
634 | if (reset_params) { | |
635 | if (IS_ZEBRA_DEBUG_VXLAN) | |
636 | zlog_debug( | |
637 | "%s: duplicate addr MAC %s IP %s flags 0x%x detection time passed, reset learn count %u", | |
638 | __PRETTY_FUNCTION__, | |
639 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
640 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
641 | nbr->flags, nbr->dad_count); | |
642 | /* Reset learn count but do not start detection | |
643 | * during REMOTE learn event. | |
644 | */ | |
645 | nbr->dad_count = 0; | |
646 | /* Start dup. addr detection (DAD) start time, | |
647 | * ONLY during LOCAL learn. | |
648 | */ | |
649 | if (is_local) | |
650 | monotime(&nbr->detect_start_time); | |
651 | ||
652 | } else if (!is_local) { | |
653 | /* For REMOTE IP/Neigh, increment detection count | |
654 | * ONLY while in probe window, once window passed, | |
655 | * next local learn event should trigger DAD. | |
656 | */ | |
657 | nbr->dad_count++; | |
658 | } | |
659 | ||
660 | /* For LOCAL IP/Neigh learn event, once count is reset above via either | |
661 | * initial/start detection time or passed the probe time, the count | |
662 | * needs to be incremented. | |
663 | */ | |
664 | if (is_local) | |
665 | nbr->dad_count++; | |
666 | ||
667 | if (nbr->dad_count >= zvrf->dad_max_moves) { | |
668 | flog_warn(EC_ZEBRA_DUP_IP_DETECTED, | |
669 | "VNI %u: MAC %s IP %s detected as duplicate during %s VTEP %s", | |
670 | nbr->zvni->vni, | |
671 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
672 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
673 | is_local ? "local update, last" : | |
674 | "remote update, from", | |
675 | inet_ntoa(vtep_ip)); | |
676 | ||
677 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
678 | ||
679 | /* Capture Duplicate detection time */ | |
680 | nbr->dad_dup_detect_time = monotime(NULL); | |
681 | ||
682 | /* Start auto recovery timer for this IP */ | |
683 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
684 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
685 | if (IS_ZEBRA_DEBUG_VXLAN) | |
686 | zlog_debug( | |
687 | "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start", | |
688 | __PRETTY_FUNCTION__, | |
689 | prefix_mac2str(&nbr->emac, buf, sizeof(buf)), | |
690 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
691 | nbr->flags, zvrf->dad_freeze_time); | |
692 | ||
3801e764 | 693 | thread_add_timer(zrouter.master, |
7510e459 CS |
694 | zebra_vxlan_dad_ip_auto_recovery_exp, |
695 | nbr, zvrf->dad_freeze_time, | |
696 | &nbr->dad_ip_auto_recovery_timer); | |
697 | } | |
698 | if (zvrf->dad_freeze) | |
699 | *is_dup_detect = true; | |
700 | } | |
701 | } | |
702 | ||
cec2e17d | 703 | /* |
704 | * Helper function to determine maximum width of neighbor IP address for | |
705 | * display - just because we're dealing with IPv6 addresses that can | |
706 | * widely vary. | |
707 | */ | |
e3b78da8 | 708 | static void zvni_find_neigh_addr_width(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 709 | { |
d62a17ae | 710 | zebra_neigh_t *n; |
711 | char buf[INET6_ADDRSTRLEN]; | |
712 | struct neigh_walk_ctx *wctx = ctxt; | |
713 | int width; | |
cec2e17d | 714 | |
e3b78da8 | 715 | n = (zebra_neigh_t *)bucket->data; |
cec2e17d | 716 | |
1445b43c A |
717 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
718 | width = strlen(buf); | |
d62a17ae | 719 | if (width > wctx->addr_width) |
720 | wctx->addr_width = width; | |
68e33151 | 721 | |
cec2e17d | 722 | } |
723 | ||
724 | /* | |
725 | * Print a specific neighbor entry. | |
726 | */ | |
cd233079 | 727 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 728 | { |
d62a17ae | 729 | struct vty *vty; |
730 | char buf1[ETHER_ADDR_STRLEN]; | |
731 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 732 | const char *type_str; |
733 | const char *state_str; | |
734 | bool flags_present = false; | |
979777b2 | 735 | struct zebra_vrf *zvrf = NULL; |
87454e6b | 736 | struct timeval detect_start_time = {0, 0}; |
c9049b92 | 737 | char timebuf[MONOTIME_STRLEN]; |
cec2e17d | 738 | |
cff8f33b | 739 | zvrf = zebra_vrf_get_evpn(); |
979777b2 CS |
740 | if (!zvrf) |
741 | return; | |
742 | ||
cd233079 CS |
743 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
744 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 745 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
746 | "local" : "remote"; | |
747 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
748 | vty = (struct vty *)ctxt; |
749 | if (json == NULL) { | |
750 | vty_out(vty, "IP: %s\n", | |
751 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 752 | vty_out(vty, " Type: %s\n", type_str); |
753 | vty_out(vty, " State: %s\n", state_str); | |
754 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
755 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
756 | } else { | |
757 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 758 | json_object_string_add(json, "type", type_str); |
759 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
760 | json_object_string_add(json, "mac", buf1); |
761 | } | |
762 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 763 | if (json == NULL) { |
1a8c5c38 | 764 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 765 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 766 | } else |
cd233079 CS |
767 | json_object_string_add(json, "remoteVtep", |
768 | inet_ntoa(n->r_vtep_ip)); | |
769 | } | |
ead40654 | 770 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 771 | if (!json) { |
772 | vty_out(vty, " Flags: Default-gateway"); | |
773 | flags_present = true; | |
774 | } else | |
ead40654 MK |
775 | json_object_boolean_true_add(json, "defaultGateway"); |
776 | } | |
68e33151 | 777 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 778 | if (!json) { |
779 | vty_out(vty, | |
780 | flags_present ? " ,Router" : " Flags: Router"); | |
781 | flags_present = true; | |
782 | } | |
68e33151 | 783 | } |
f07e1c99 | 784 | if (json == NULL) { |
1a8c5c38 | 785 | if (flags_present) |
786 | vty_out(vty, "\n"); | |
787 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 788 | n->loc_seq, n->rem_seq); |
87454e6b CS |
789 | |
790 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
791 | vty_out(vty, " Duplicate, detected at %s", | |
c9049b92 MS |
792 | time_to_string(n->dad_dup_detect_time, |
793 | timebuf)); | |
87454e6b CS |
794 | } else if (n->dad_count) { |
795 | monotime_since(&n->detect_start_time, | |
796 | &detect_start_time); | |
797 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
c9049b92 MS |
798 | time_to_string(n->detect_start_time.tv_sec, |
799 | timebuf); | |
87454e6b CS |
800 | vty_out(vty, |
801 | " Duplicate detection started at %s, detection count %u\n", | |
c9049b92 | 802 | timebuf, n->dad_count); |
87454e6b CS |
803 | } |
804 | } | |
1a8c5c38 | 805 | } else { |
806 | json_object_int_add(json, "localSequence", n->loc_seq); | |
807 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
87454e6b CS |
808 | json_object_int_add(json, "detectionCount", |
809 | n->dad_count); | |
810 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
811 | json_object_boolean_true_add(json, "isDuplicate"); | |
812 | else | |
813 | json_object_boolean_false_add(json, "isDuplicate"); | |
814 | ||
815 | ||
68e33151 | 816 | } |
cec2e17d | 817 | } |
818 | ||
819 | /* | |
820 | * Print neighbor hash entry - called for display of all neighbors. | |
821 | */ | |
e3b78da8 | 822 | static void zvni_print_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 823 | { |
824 | struct vty *vty; | |
cd233079 | 825 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 826 | zebra_neigh_t *n; |
827 | char buf1[ETHER_ADDR_STRLEN]; | |
828 | char buf2[INET6_ADDRSTRLEN]; | |
829 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 830 | const char *state_str; |
d62a17ae | 831 | |
832 | vty = wctx->vty; | |
cd233079 | 833 | json_vni = wctx->json; |
e3b78da8 | 834 | n = (zebra_neigh_t *)bucket->data; |
d62a17ae | 835 | |
cd233079 CS |
836 | if (json_vni) |
837 | json_row = json_object_new_object(); | |
838 | ||
d62a17ae | 839 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
840 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 841 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
842 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
843 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
844 | return; | |
845 | ||
cd233079 | 846 | if (json_vni == NULL) { |
93b35b87 | 847 | vty_out(vty, "%*s %-6s %-8s %-17s %u/%u\n", |
1a8c5c38 | 848 | -wctx->addr_width, buf2, "local", |
93b35b87 | 849 | state_str, buf1, n->loc_seq, n->rem_seq); |
cd233079 CS |
850 | } else { |
851 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 852 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 853 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 854 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
855 | json_object_boolean_true_add( | |
856 | json_row, "defaultGateway"); | |
857 | json_object_int_add(json_row, "localSequence", | |
858 | n->loc_seq); | |
859 | json_object_int_add(json_row, "remoteSequence", | |
860 | n->rem_seq); | |
87454e6b CS |
861 | json_object_int_add(json_row, "detectionCount", |
862 | n->dad_count); | |
863 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
864 | json_object_boolean_true_add(json_row, | |
865 | "isDuplicate"); | |
866 | else | |
867 | json_object_boolean_false_add(json_row, | |
868 | "isDuplicate"); | |
cd233079 | 869 | } |
d62a17ae | 870 | wctx->count++; |
1a8c5c38 | 871 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
872 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
873 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
874 | return; | |
875 | ||
876 | if (json_vni == NULL) { | |
877 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
878 | (wctx->count == 0)) | |
40e0224a | 879 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s %s\n", |
1a8c5c38 | 880 | -wctx->addr_width, "Neighbor", "Type", |
40e0224a NS |
881 | "State", "MAC", "Remote VTEP", |
882 | "Seq #'s"); | |
93b35b87 | 883 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s %u/%u\n", |
1a8c5c38 | 884 | -wctx->addr_width, buf2, "remote", state_str, |
93b35b87 | 885 | buf1, inet_ntoa(n->r_vtep_ip), n->loc_seq, n->rem_seq); |
cd233079 | 886 | } else { |
1a8c5c38 | 887 | json_object_string_add(json_row, "type", "remote"); |
888 | json_object_string_add(json_row, "state", state_str); | |
889 | json_object_string_add(json_row, "mac", buf1); | |
890 | json_object_string_add(json_row, "remoteVtep", | |
891 | inet_ntoa(n->r_vtep_ip)); | |
892 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
893 | json_object_boolean_true_add(json_row, | |
894 | "defaultGateway"); | |
895 | json_object_int_add(json_row, "localSequence", | |
896 | n->loc_seq); | |
897 | json_object_int_add(json_row, "remoteSequence", | |
898 | n->rem_seq); | |
87454e6b CS |
899 | json_object_int_add(json_row, "detectionCount", |
900 | n->dad_count); | |
901 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
902 | json_object_boolean_true_add(json_row, | |
903 | "isDuplicate"); | |
904 | else | |
905 | json_object_boolean_false_add(json_row, | |
906 | "isDuplicate"); | |
d62a17ae | 907 | } |
1a8c5c38 | 908 | wctx->count++; |
d62a17ae | 909 | } |
cd233079 CS |
910 | |
911 | if (json_vni) | |
912 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 913 | } |
914 | ||
e3fac919 NS |
915 | /* |
916 | * Print neighbor hash entry in detail - called for display of all neighbors. | |
917 | */ | |
e3b78da8 | 918 | static void zvni_print_neigh_hash_detail(struct hash_bucket *bucket, void *ctxt) |
e3fac919 NS |
919 | { |
920 | struct vty *vty; | |
921 | json_object *json_vni = NULL, *json_row = NULL; | |
922 | zebra_neigh_t *n; | |
923 | char buf[INET6_ADDRSTRLEN]; | |
924 | struct neigh_walk_ctx *wctx = ctxt; | |
925 | ||
926 | vty = wctx->vty; | |
927 | json_vni = wctx->json; | |
e3b78da8 | 928 | n = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
929 | if (!n) |
930 | return; | |
931 | ||
932 | ipaddr2str(&n->ip, buf, sizeof(buf)); | |
933 | if (json_vni) | |
934 | json_row = json_object_new_object(); | |
935 | ||
936 | zvni_print_neigh(n, vty, json_row); | |
937 | ||
938 | if (json_vni) | |
939 | json_object_object_add(json_vni, buf, json_row); | |
940 | } | |
941 | ||
cec2e17d | 942 | /* |
943 | * Print neighbors for all VNI. | |
944 | */ | |
e3b78da8 | 945 | static void zvni_print_neigh_hash_all_vni(struct hash_bucket *bucket, |
cd233079 | 946 | void **args) |
cec2e17d | 947 | { |
d62a17ae | 948 | struct vty *vty; |
cd233079 | 949 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 950 | zebra_vni_t *zvni; |
d7c0a89a | 951 | uint32_t num_neigh; |
d62a17ae | 952 | struct neigh_walk_ctx wctx; |
cd233079 | 953 | char vni_str[VNI_STR_LEN]; |
1374d4db | 954 | uint32_t print_dup; |
cd233079 CS |
955 | |
956 | vty = (struct vty *)args[0]; | |
957 | json = (json_object *)args[1]; | |
1374d4db | 958 | print_dup = (uint32_t)(uintptr_t)args[2]; |
cec2e17d | 959 | |
e3b78da8 | 960 | zvni = (zebra_vni_t *)bucket->data; |
9ea660be | 961 | |
d62a17ae | 962 | num_neigh = hashcount(zvni->neigh_table); |
1374d4db CS |
963 | |
964 | if (print_dup) | |
965 | num_neigh = num_dup_detected_neighs(zvni); | |
966 | ||
68e33151 | 967 | if (json == NULL) { |
cd233079 CS |
968 | vty_out(vty, |
969 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
970 | zvni->vni, num_neigh); | |
68e33151 | 971 | } else { |
cd233079 CS |
972 | json_vni = json_object_new_object(); |
973 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
974 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
975 | } | |
1374d4db | 976 | |
cd233079 CS |
977 | if (!num_neigh) { |
978 | if (json) | |
979 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 980 | return; |
cd233079 | 981 | } |
cec2e17d | 982 | |
d62a17ae | 983 | /* Since we have IPv6 addresses to deal with which can vary widely in |
984 | * size, we try to be a bit more elegant in display by first computing | |
985 | * the maximum width. | |
986 | */ | |
987 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
988 | wctx.zvni = zvni; | |
989 | wctx.vty = vty; | |
990 | wctx.addr_width = 15; | |
cd233079 | 991 | wctx.json = json_vni; |
d62a17ae | 992 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 993 | |
68e33151 | 994 | if (json == NULL) { |
93b35b87 | 995 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s %s\n", |
1a8c5c38 | 996 | -wctx.addr_width, "IP", "Type", |
93b35b87 | 997 | "State", "MAC", "Remote VTEP", "Seq #'s"); |
68e33151 | 998 | } |
1374d4db CS |
999 | if (print_dup) |
1000 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, | |
1001 | &wctx); | |
1002 | else | |
1003 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
cd233079 CS |
1004 | |
1005 | if (json) | |
1006 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 1007 | } |
1008 | ||
e3b78da8 | 1009 | static void zvni_print_dad_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
1010 | { |
1011 | zebra_neigh_t *nbr; | |
1012 | ||
e3b78da8 | 1013 | nbr = (zebra_neigh_t *)bucket->data; |
1374d4db CS |
1014 | if (!nbr) |
1015 | return; | |
1016 | ||
1017 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 1018 | zvni_print_neigh_hash(bucket, ctxt); |
1374d4db CS |
1019 | } |
1020 | ||
e3b78da8 | 1021 | static void zvni_print_dad_neigh_hash_detail(struct hash_bucket *bucket, |
e3fac919 NS |
1022 | void *ctxt) |
1023 | { | |
1024 | zebra_neigh_t *nbr; | |
1025 | ||
e3b78da8 | 1026 | nbr = (zebra_neigh_t *)bucket->data; |
e3fac919 NS |
1027 | if (!nbr) |
1028 | return; | |
1029 | ||
1030 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
e3b78da8 | 1031 | zvni_print_neigh_hash_detail(bucket, ctxt); |
e3fac919 NS |
1032 | } |
1033 | ||
1034 | /* | |
1035 | * Print neighbors for all VNIs in detail. | |
1036 | */ | |
e3b78da8 | 1037 | static void zvni_print_neigh_hash_all_vni_detail(struct hash_bucket *bucket, |
e3fac919 NS |
1038 | void **args) |
1039 | { | |
1040 | struct vty *vty; | |
1041 | json_object *json = NULL, *json_vni = NULL; | |
1042 | zebra_vni_t *zvni; | |
1043 | uint32_t num_neigh; | |
1044 | struct neigh_walk_ctx wctx; | |
1045 | char vni_str[VNI_STR_LEN]; | |
1046 | uint32_t print_dup; | |
1047 | ||
1048 | vty = (struct vty *)args[0]; | |
1049 | json = (json_object *)args[1]; | |
1050 | print_dup = (uint32_t)(uintptr_t)args[2]; | |
1051 | ||
e3b78da8 | 1052 | zvni = (zebra_vni_t *)bucket->data; |
e3fac919 NS |
1053 | if (!zvni) { |
1054 | if (json) | |
1055 | vty_out(vty, "{}\n"); | |
1056 | return; | |
1057 | } | |
1058 | num_neigh = hashcount(zvni->neigh_table); | |
1059 | ||
1060 | if (print_dup && num_dup_detected_neighs(zvni) == 0) | |
1061 | return; | |
1062 | ||
1063 | if (json == NULL) { | |
1064 | vty_out(vty, | |
1065 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
1066 | zvni->vni, num_neigh); | |
1067 | } else { | |
1068 | json_vni = json_object_new_object(); | |
1069 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1070 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1071 | } | |
1072 | if (!num_neigh) { | |
1073 | if (json) | |
1074 | json_object_object_add(json, vni_str, json_vni); | |
1075 | return; | |
1076 | } | |
1077 | ||
1078 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
1079 | wctx.zvni = zvni; | |
1080 | wctx.vty = vty; | |
1081 | wctx.addr_width = 15; | |
1082 | wctx.json = json_vni; | |
1083 | ||
1084 | if (print_dup) | |
1085 | hash_iterate(zvni->neigh_table, | |
1086 | zvni_print_dad_neigh_hash_detail, &wctx); | |
1087 | else | |
1088 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash_detail, | |
1089 | &wctx); | |
1090 | ||
1091 | if (json) | |
1092 | json_object_object_add(json, vni_str, json_vni); | |
1093 | } | |
1094 | ||
9aa741ea | 1095 | /* print a specific next hop for an l3vni */ |
996c9314 | 1096 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 1097 | json_object *json) |
9aa741ea MK |
1098 | { |
1099 | char buf1[ETHER_ADDR_STRLEN]; | |
1100 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 1101 | json_object *json_hosts = NULL; |
f2a503f0 | 1102 | struct host_rb_entry *hle; |
9aa741ea | 1103 | |
c0e519d3 MK |
1104 | if (!json) { |
1105 | vty_out(vty, "Ip: %s\n", | |
1106 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1107 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 1108 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
1109 | vty_out(vty, " Refcount: %d\n", |
1110 | rb_host_count(&n->host_rb)); | |
4cce389e | 1111 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1112 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1113 | vty_out(vty, " %s\n", |
f2a503f0 | 1114 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
1115 | } else { |
1116 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1117 | json_object_string_add( |
1118 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
1119 | json_object_string_add( | |
1120 | json, "routerMac", | |
1121 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
1122 | json_object_int_add(json, "refCount", |
1123 | rb_host_count(&n->host_rb)); | |
85442b09 | 1124 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 1125 | json_object_array_add(json_hosts, |
996c9314 | 1126 | json_object_new_string(prefix2str( |
f2a503f0 | 1127 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 1128 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 1129 | } |
9aa741ea MK |
1130 | } |
1131 | ||
1132 | /* Print a specific RMAC entry */ | |
996c9314 | 1133 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 1134 | json_object *json) |
9aa741ea MK |
1135 | { |
1136 | char buf1[ETHER_ADDR_STRLEN]; | |
1137 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 1138 | json_object *json_hosts = NULL; |
5e1b0650 | 1139 | struct host_rb_entry *hle; |
9aa741ea | 1140 | |
316f4ca4 MK |
1141 | if (!json) { |
1142 | vty_out(vty, "MAC: %s\n", | |
1143 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
1144 | vty_out(vty, " Remote VTEP: %s\n", | |
1145 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 1146 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 1147 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 1148 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 1149 | vty_out(vty, " %s\n", |
5e1b0650 | 1150 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
1151 | } else { |
1152 | json_hosts = json_object_new_array(); | |
996c9314 LB |
1153 | json_object_string_add( |
1154 | json, "routerMac", | |
1155 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 1156 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 1157 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
1158 | json_object_int_add(json, "refCount", |
1159 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 1160 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
1161 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 1162 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
1163 | json_object_array_add( |
1164 | json_hosts, | |
1165 | json_object_new_string(prefix2str( | |
1166 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 1167 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 1168 | } |
9aa741ea MK |
1169 | } |
1170 | ||
cec2e17d | 1171 | /* |
1172 | * Print a specific MAC entry. | |
1173 | */ | |
24cdbd0d | 1174 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) |
d62a17ae | 1175 | { |
1176 | struct vty *vty; | |
b6938a74 MK |
1177 | zebra_neigh_t *n = NULL; |
1178 | struct listnode *node = NULL; | |
138a4965 | 1179 | char buf1[ETHER_ADDR_STRLEN]; |
b6938a74 | 1180 | char buf2[INET6_ADDRSTRLEN]; |
87454e6b CS |
1181 | struct zebra_vrf *zvrf; |
1182 | struct timeval detect_start_time = {0, 0}; | |
c9049b92 | 1183 | char timebuf[MONOTIME_STRLEN]; |
87454e6b | 1184 | |
cff8f33b T |
1185 | zvrf = zebra_vrf_get_evpn(); |
1186 | if (!zvrf) | |
1187 | return; | |
d62a17ae | 1188 | |
1189 | vty = (struct vty *)ctxt; | |
24cdbd0d | 1190 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); |
d62a17ae | 1191 | |
24cdbd0d DS |
1192 | if (json) { |
1193 | json_object *json_mac = json_object_new_object(); | |
1194 | ||
1195 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1196 | struct zebra_ns *zns; | |
1197 | struct interface *ifp; | |
1198 | ifindex_t ifindex; | |
1199 | ||
1200 | ifindex = mac->fwd_info.local.ifindex; | |
1201 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1202 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1203 | if (!ifp) | |
1204 | return; | |
1205 | json_object_string_add(json_mac, "type", "local"); | |
1206 | json_object_string_add(json_mac, "intf", ifp->name); | |
1207 | json_object_int_add(json_mac, "ifindex", ifindex); | |
1208 | if (mac->fwd_info.local.vid) | |
1209 | json_object_int_add(json_mac, "vlan", | |
1210 | mac->fwd_info.local.vid); | |
1211 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1212 | json_object_string_add(json_mac, "type", "remote"); | |
1213 | json_object_string_add( | |
1214 | json_mac, "remoteVtep", | |
1215 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1216 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
29611019 | 1217 | json_object_string_add(json_mac, "type", "auto"); |
b6938a74 | 1218 | |
24cdbd0d DS |
1219 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
1220 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
ead40654 | 1221 | |
24cdbd0d DS |
1222 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
1223 | json_object_boolean_true_add(json_mac, | |
1224 | "defaultGateway"); | |
ead40654 | 1225 | |
24cdbd0d DS |
1226 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
1227 | json_object_boolean_true_add(json_mac, | |
1228 | "remoteGatewayMac"); | |
51f4dab4 | 1229 | |
24cdbd0d DS |
1230 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
1231 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
f07e1c99 | 1232 | |
87454e6b CS |
1233 | json_object_int_add(json_mac, "detectionCount", mac->dad_count); |
1234 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1235 | json_object_boolean_true_add(json_mac, "isDuplicate"); | |
1236 | else | |
1237 | json_object_boolean_false_add(json_mac, "isDuplicate"); | |
1238 | ||
24cdbd0d DS |
1239 | /* print all the associated neigh */ |
1240 | if (!listcount(mac->neigh_list)) | |
1241 | json_object_string_add(json_mac, "neighbors", "none"); | |
1242 | else { | |
1243 | json_object *json_active_nbrs = json_object_new_array(); | |
1244 | json_object *json_inactive_nbrs = | |
1245 | json_object_new_array(); | |
1246 | json_object *json_nbrs = json_object_new_object(); | |
1247 | ||
1248 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1249 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
1250 | json_object_array_add( | |
1251 | json_active_nbrs, | |
1252 | json_object_new_string( | |
1253 | ipaddr2str( | |
1254 | &n->ip, buf2, | |
1255 | sizeof(buf2)))); | |
1256 | else | |
1257 | json_object_array_add( | |
1258 | json_inactive_nbrs, | |
1259 | json_object_new_string( | |
1260 | ipaddr2str( | |
1261 | &n->ip, buf2, | |
1262 | sizeof(buf2)))); | |
1263 | } | |
1264 | ||
1265 | json_object_object_add(json_nbrs, "active", | |
1266 | json_active_nbrs); | |
1267 | json_object_object_add(json_nbrs, "inactive", | |
1268 | json_inactive_nbrs); | |
1269 | json_object_object_add(json_mac, "neighbors", | |
1270 | json_nbrs); | |
b6938a74 | 1271 | } |
b6938a74 | 1272 | |
24cdbd0d | 1273 | json_object_object_add(json, buf1, json_mac); |
24cdbd0d DS |
1274 | } else { |
1275 | vty_out(vty, "MAC: %s\n", buf1); | |
1276 | ||
1277 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
1278 | struct zebra_ns *zns; | |
1279 | struct interface *ifp; | |
1280 | ifindex_t ifindex; | |
1281 | ||
1282 | ifindex = mac->fwd_info.local.ifindex; | |
1283 | zns = zebra_ns_lookup(NS_DEFAULT); | |
1284 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1285 | if (!ifp) | |
1286 | return; | |
1287 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
1288 | if (mac->fwd_info.local.vid) | |
1289 | vty_out(vty, " VLAN: %u", | |
1290 | mac->fwd_info.local.vid); | |
1291 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
1292 | vty_out(vty, " Remote VTEP: %s", | |
1293 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
1294 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
1295 | vty_out(vty, " Auto Mac "); | |
1296 | } | |
1297 | ||
1298 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
1299 | vty_out(vty, " Sticky Mac "); | |
1300 | ||
1301 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
1302 | vty_out(vty, " Default-gateway Mac "); | |
1303 | ||
1304 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
1305 | vty_out(vty, " Remote-gateway Mac "); | |
1306 | ||
1307 | vty_out(vty, "\n"); | |
1308 | vty_out(vty, " Local Seq: %u Remote Seq: %u", mac->loc_seq, | |
1309 | mac->rem_seq); | |
1310 | vty_out(vty, "\n"); | |
1311 | ||
87454e6b CS |
1312 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { |
1313 | vty_out(vty, " Duplicate, detected at %s", | |
c9049b92 MS |
1314 | time_to_string(mac->dad_dup_detect_time, |
1315 | timebuf)); | |
87454e6b CS |
1316 | } else if (mac->dad_count) { |
1317 | monotime_since(&mac->detect_start_time, | |
1318 | &detect_start_time); | |
1319 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
c9049b92 MS |
1320 | time_to_string(mac->detect_start_time.tv_sec, |
1321 | timebuf); | |
87454e6b CS |
1322 | vty_out(vty, |
1323 | " Duplicate detection started at %s, detection count %u\n", | |
c9049b92 | 1324 | timebuf, mac->dad_count); |
87454e6b CS |
1325 | } |
1326 | } | |
1327 | ||
24cdbd0d DS |
1328 | /* print all the associated neigh */ |
1329 | vty_out(vty, " Neighbors:\n"); | |
1330 | if (!listcount(mac->neigh_list)) | |
1331 | vty_out(vty, " No Neighbors\n"); | |
1332 | else { | |
1333 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
1334 | vty_out(vty, " %s %s\n", | |
1335 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
1336 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
1337 | ? "Active" | |
1338 | : "Inactive")); | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | vty_out(vty, "\n"); | |
1343 | } | |
cec2e17d | 1344 | } |
1345 | ||
1346 | /* | |
1347 | * Print MAC hash entry - called for display of all MACs. | |
1348 | */ | |
e3b78da8 | 1349 | static void zvni_print_mac_hash(struct hash_bucket *bucket, void *ctxt) |
d62a17ae | 1350 | { |
1351 | struct vty *vty; | |
cd233079 | 1352 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 1353 | zebra_mac_t *mac; |
138a4965 | 1354 | char buf1[ETHER_ADDR_STRLEN]; |
d62a17ae | 1355 | struct mac_walk_ctx *wctx = ctxt; |
1356 | ||
1357 | vty = wctx->vty; | |
cd233079 | 1358 | json_mac_hdr = wctx->json; |
e3b78da8 | 1359 | mac = (zebra_mac_t *)bucket->data; |
d62a17ae | 1360 | |
1361 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
1362 | |
1363 | if (json_mac_hdr) | |
1364 | json_mac = json_object_new_object(); | |
1365 | ||
1a8c5c38 | 1366 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 1367 | struct zebra_ns *zns; |
1368 | ifindex_t ifindex; | |
1369 | struct interface *ifp; | |
1370 | vlanid_t vid; | |
1371 | ||
1a8c5c38 | 1372 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
1373 | return; | |
1374 | ||
d62a17ae | 1375 | zns = zebra_ns_lookup(NS_DEFAULT); |
1376 | ifindex = mac->fwd_info.local.ifindex; | |
1377 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
1378 | if (!ifp) // unexpected | |
1379 | return; | |
1380 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
1381 | if (json_mac_hdr == NULL) |
1382 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
1383 | ifp->name); | |
1384 | else { | |
1385 | json_object_string_add(json_mac, "type", "local"); | |
1386 | json_object_string_add(json_mac, "intf", ifp->name); | |
1387 | } | |
1388 | if (vid) { | |
1389 | if (json_mac_hdr == NULL) | |
1390 | vty_out(vty, " %-5u", vid); | |
1391 | else | |
1392 | json_object_int_add(json_mac, "vlan", vid); | |
503cf3fe | 1393 | } else /* No vid? fill out the space */ |
40e0224a NS |
1394 | if (json_mac_hdr == NULL) |
1395 | vty_out(vty, " %-5s", ""); | |
1a8c5c38 | 1396 | if (json_mac_hdr == NULL) { |
40e0224a | 1397 | vty_out(vty, " %u/%u", mac->loc_seq, mac->rem_seq); |
cd233079 | 1398 | vty_out(vty, "\n"); |
1a8c5c38 | 1399 | } else { |
1400 | json_object_int_add(json_mac, "localSequence", | |
1401 | mac->loc_seq); | |
1402 | json_object_int_add(json_mac, "remoteSequence", | |
1403 | mac->rem_seq); | |
87454e6b CS |
1404 | json_object_int_add(json_mac, "detectionCount", |
1405 | mac->dad_count); | |
1406 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1407 | json_object_boolean_true_add(json_mac, | |
1408 | "isDuplicate"); | |
1409 | else | |
1410 | json_object_boolean_false_add(json_mac, | |
1411 | "isDuplicate"); | |
cd233079 | 1412 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 1413 | } |
1414 | ||
d62a17ae | 1415 | wctx->count++; |
1a8c5c38 | 1416 | |
b6938a74 | 1417 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 1418 | |
1419 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1420 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
1421 | &wctx->r_vtep_ip)) | |
1422 | return; | |
1423 | ||
1424 | if (json_mac_hdr == NULL) { | |
1425 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
1426 | (wctx->count == 0)) { | |
1427 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
503cf3fe NS |
1428 | vty_out(vty, "%-17s %-6s %-21s %-5s %s\n", |
1429 | "MAC", "Type", "Intf/Remote VTEP", | |
1430 | "VLAN", "Seq #'s"); | |
d62a17ae | 1431 | } |
503cf3fe NS |
1432 | vty_out(vty, "%-17s %-6s %-21s %-5s %u/%u\n", buf1, |
1433 | "remote", inet_ntoa(mac->fwd_info.r_vtep_ip), | |
1434 | "", mac->loc_seq, mac->rem_seq); | |
d62a17ae | 1435 | } else { |
1a8c5c38 | 1436 | json_object_string_add(json_mac, "type", "remote"); |
1437 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 1438 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 1439 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1440 | json_object_int_add(json_mac, "localSequence", | |
1441 | mac->loc_seq); | |
1442 | json_object_int_add(json_mac, "remoteSequence", | |
1443 | mac->rem_seq); | |
87454e6b CS |
1444 | json_object_int_add(json_mac, "detectionCount", |
1445 | mac->dad_count); | |
1446 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
1447 | json_object_boolean_true_add(json_mac, | |
1448 | "isDuplicate"); | |
1449 | else | |
1450 | json_object_boolean_false_add(json_mac, | |
1451 | "isDuplicate"); | |
1452 | ||
d62a17ae | 1453 | } |
1a8c5c38 | 1454 | |
1455 | wctx->count++; | |
d62a17ae | 1456 | } |
cec2e17d | 1457 | } |
1458 | ||
1374d4db | 1459 | /* Print Duplicate MAC */ |
e3b78da8 | 1460 | static void zvni_print_dad_mac_hash(struct hash_bucket *bucket, void *ctxt) |
1374d4db CS |
1461 | { |
1462 | zebra_mac_t *mac; | |
1463 | ||
e3b78da8 | 1464 | mac = (zebra_mac_t *)bucket->data; |
1374d4db CS |
1465 | if (!mac) |
1466 | return; | |
1467 | ||
1468 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1469 | zvni_print_mac_hash(bucket, ctxt); |
1374d4db CS |
1470 | } |
1471 | ||
cffe7580 NS |
1472 | /* |
1473 | * Print MAC hash entry in detail - called for display of all MACs. | |
1474 | */ | |
e3b78da8 | 1475 | static void zvni_print_mac_hash_detail(struct hash_bucket *bucket, void *ctxt) |
cffe7580 NS |
1476 | { |
1477 | struct vty *vty; | |
1478 | json_object *json_mac_hdr = NULL; | |
1479 | zebra_mac_t *mac; | |
1480 | struct mac_walk_ctx *wctx = ctxt; | |
138a4965 | 1481 | char buf1[ETHER_ADDR_STRLEN]; |
cffe7580 NS |
1482 | |
1483 | vty = wctx->vty; | |
1484 | json_mac_hdr = wctx->json; | |
e3b78da8 | 1485 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1486 | if (!mac) |
1487 | return; | |
1488 | ||
1489 | wctx->count++; | |
1490 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
1491 | ||
1492 | zvni_print_mac(mac, vty, json_mac_hdr); | |
1493 | } | |
1494 | ||
1495 | /* Print Duplicate MAC in detail */ | |
e3b78da8 | 1496 | static void zvni_print_dad_mac_hash_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1497 | void *ctxt) |
1498 | { | |
1499 | zebra_mac_t *mac; | |
1500 | ||
e3b78da8 | 1501 | mac = (zebra_mac_t *)bucket->data; |
cffe7580 NS |
1502 | if (!mac) |
1503 | return; | |
1504 | ||
1505 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e3b78da8 | 1506 | zvni_print_mac_hash_detail(bucket, ctxt); |
cffe7580 NS |
1507 | } |
1508 | ||
cec2e17d | 1509 | /* |
1510 | * Print MACs for all VNI. | |
1511 | */ | |
e3b78da8 | 1512 | static void zvni_print_mac_hash_all_vni(struct hash_bucket *bucket, void *ctxt) |
cec2e17d | 1513 | { |
d62a17ae | 1514 | struct vty *vty; |
cd233079 CS |
1515 | json_object *json = NULL, *json_vni = NULL; |
1516 | json_object *json_mac = NULL; | |
d62a17ae | 1517 | zebra_vni_t *zvni; |
d7c0a89a | 1518 | uint32_t num_macs; |
d62a17ae | 1519 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 1520 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 1521 | |
d62a17ae | 1522 | vty = (struct vty *)wctx->vty; |
cd233079 | 1523 | json = (struct json_object *)wctx->json; |
cec2e17d | 1524 | |
e3b78da8 | 1525 | zvni = (zebra_vni_t *)bucket->data; |
d62a17ae | 1526 | wctx->zvni = zvni; |
cec2e17d | 1527 | |
d62a17ae | 1528 | /*We are iterating over a new VNI, set the count to 0*/ |
1529 | wctx->count = 0; | |
cec2e17d | 1530 | |
790f8dc5 | 1531 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1532 | if (!num_macs) |
1533 | return; | |
cd233079 | 1534 | |
1374d4db CS |
1535 | if (wctx->print_dup) |
1536 | num_macs = num_dup_detected_macs(zvni); | |
1537 | ||
cd233079 CS |
1538 | if (json) { |
1539 | json_vni = json_object_new_object(); | |
1540 | json_mac = json_object_new_object(); | |
1541 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 1542 | } |
cec2e17d | 1543 | |
cd233079 CS |
1544 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
1545 | if (json == NULL) { | |
1546 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1547 | zvni->vni, num_macs); | |
503cf3fe NS |
1548 | vty_out(vty, "%-17s %-6s %-21s %-5s %s\n", "MAC", |
1549 | "Type", "Intf/Remote VTEP", "VLAN", "Seq #'s"); | |
cd233079 CS |
1550 | } else |
1551 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1552 | } | |
1374d4db CS |
1553 | |
1554 | if (!num_macs) { | |
1555 | if (json) { | |
1556 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1557 | json_object_object_add(json, vni_str, json_vni); | |
1558 | } | |
1559 | return; | |
1560 | } | |
1561 | ||
cd233079 CS |
1562 | /* assign per-vni to wctx->json object to fill macs |
1563 | * under the vni. Re-assign primary json object to fill | |
1564 | * next vni information. | |
1565 | */ | |
1566 | wctx->json = json_mac; | |
1374d4db CS |
1567 | if (wctx->print_dup) |
1568 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, wctx); | |
1569 | else | |
1570 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); | |
cd233079 CS |
1571 | wctx->json = json; |
1572 | if (json) { | |
1573 | if (wctx->count) | |
1574 | json_object_object_add(json_vni, "macs", json_mac); | |
1575 | json_object_object_add(json, vni_str, json_vni); | |
1576 | } | |
cec2e17d | 1577 | } |
1578 | ||
cffe7580 NS |
1579 | /* |
1580 | * Print MACs in detail for all VNI. | |
1581 | */ | |
e3b78da8 | 1582 | static void zvni_print_mac_hash_all_vni_detail(struct hash_bucket *bucket, |
cffe7580 NS |
1583 | void *ctxt) |
1584 | { | |
1585 | struct vty *vty; | |
1586 | json_object *json = NULL, *json_vni = NULL; | |
1587 | json_object *json_mac = NULL; | |
1588 | zebra_vni_t *zvni; | |
1589 | uint32_t num_macs; | |
1590 | struct mac_walk_ctx *wctx = ctxt; | |
1591 | char vni_str[VNI_STR_LEN]; | |
1592 | ||
1593 | vty = (struct vty *)wctx->vty; | |
1594 | json = (struct json_object *)wctx->json; | |
1595 | ||
e3b78da8 | 1596 | zvni = (zebra_vni_t *)bucket->data; |
cffe7580 NS |
1597 | if (!zvni) { |
1598 | if (json) | |
1599 | vty_out(vty, "{}\n"); | |
1600 | return; | |
1601 | } | |
1602 | wctx->zvni = zvni; | |
1603 | ||
1604 | /*We are iterating over a new VNI, set the count to 0*/ | |
1605 | wctx->count = 0; | |
1606 | ||
1607 | num_macs = num_valid_macs(zvni); | |
1608 | if (!num_macs) | |
1609 | return; | |
1610 | ||
1611 | if (wctx->print_dup && (num_dup_detected_macs(zvni) == 0)) | |
1612 | return; | |
1613 | ||
1614 | if (json) { | |
1615 | json_vni = json_object_new_object(); | |
1616 | json_mac = json_object_new_object(); | |
1617 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1618 | } | |
1619 | ||
1620 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { | |
1621 | if (json == NULL) { | |
1622 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
1623 | zvni->vni, num_macs); | |
1624 | } else | |
1625 | json_object_int_add(json_vni, "numMacs", num_macs); | |
1626 | } | |
1627 | /* assign per-vni to wctx->json object to fill macs | |
1628 | * under the vni. Re-assign primary json object to fill | |
1629 | * next vni information. | |
1630 | */ | |
1631 | wctx->json = json_mac; | |
1632 | if (wctx->print_dup) | |
1633 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash_detail, | |
1634 | wctx); | |
1635 | else | |
1636 | hash_iterate(zvni->mac_table, zvni_print_mac_hash_detail, wctx); | |
1637 | wctx->json = json; | |
1638 | if (json) { | |
1639 | if (wctx->count) | |
1640 | json_object_object_add(json_vni, "macs", json_mac); | |
1641 | json_object_object_add(json, vni_str, json_vni); | |
1642 | } | |
1643 | } | |
1644 | ||
e3b78da8 | 1645 | static void zl3vni_print_nh_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1646 | { |
1647 | struct nh_walk_ctx *wctx = NULL; | |
1648 | struct vty *vty = NULL; | |
32798965 | 1649 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
1650 | struct json_object *json_nh = NULL; |
1651 | zebra_neigh_t *n = NULL; | |
1652 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 1653 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1654 | |
1655 | wctx = (struct nh_walk_ctx *)ctx; | |
1656 | vty = wctx->vty; | |
32798965 MK |
1657 | json_vni = wctx->json; |
1658 | if (json_vni) | |
b7cfce93 | 1659 | json_nh = json_object_new_object(); |
e3b78da8 | 1660 | n = (zebra_neigh_t *)bucket->data; |
b7cfce93 | 1661 | |
32798965 | 1662 | if (!json_vni) { |
4cce389e | 1663 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 1664 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 1665 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 1666 | } else { |
4cce389e | 1667 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 1668 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
1669 | json_object_string_add( |
1670 | json_nh, "routerMac", | |
1671 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
1672 | json_object_object_add(json_vni, |
1673 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
1674 | json_nh); | |
b7cfce93 MK |
1675 | } |
1676 | } | |
1677 | ||
e3b78da8 | 1678 | static void zl3vni_print_nh_hash_all_vni(struct hash_bucket *bucket, |
32798965 | 1679 | void **args) |
2dbad57f | 1680 | { |
1681 | struct vty *vty = NULL; | |
1682 | json_object *json = NULL; | |
1683 | json_object *json_vni = NULL; | |
2dbad57f | 1684 | zebra_l3vni_t *zl3vni = NULL; |
1685 | uint32_t num_nh = 0; | |
32798965 | 1686 | struct nh_walk_ctx wctx; |
2dbad57f | 1687 | char vni_str[VNI_STR_LEN]; |
1688 | ||
32798965 MK |
1689 | vty = (struct vty *)args[0]; |
1690 | json = (struct json_object *)args[1]; | |
2dbad57f | 1691 | |
e3b78da8 | 1692 | zl3vni = (zebra_l3vni_t *)bucket->data; |
2dbad57f | 1693 | |
1694 | num_nh = hashcount(zl3vni->nh_table); | |
1695 | if (!num_nh) | |
1696 | return; | |
1697 | ||
1698 | if (json) { | |
1699 | json_vni = json_object_new_object(); | |
2dbad57f | 1700 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1701 | } | |
1702 | ||
1703 | if (json == NULL) { | |
996c9314 | 1704 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 1705 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 1706 | } else |
4cce389e | 1707 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 1708 | |
32798965 MK |
1709 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
1710 | wctx.vty = vty; | |
1711 | wctx.json = json_vni; | |
1712 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
1713 | if (json) | |
2dbad57f | 1714 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 1715 | } |
1716 | ||
e3b78da8 | 1717 | static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket *bucket, |
c0b4eaa4 | 1718 | void **args) |
b7cfce93 MK |
1719 | { |
1720 | struct vty *vty = NULL; | |
1721 | json_object *json = NULL; | |
1722 | json_object *json_vni = NULL; | |
b7cfce93 | 1723 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 1724 | uint32_t num_rmacs; |
c0b4eaa4 | 1725 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
1726 | char vni_str[VNI_STR_LEN]; |
1727 | ||
c0b4eaa4 MK |
1728 | vty = (struct vty *)args[0]; |
1729 | json = (struct json_object *)args[1]; | |
b7cfce93 | 1730 | |
e3b78da8 | 1731 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1732 | |
1733 | num_rmacs = hashcount(zl3vni->rmac_table); | |
1734 | if (!num_rmacs) | |
1735 | return; | |
1736 | ||
1737 | if (json) { | |
1738 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
1739 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1740 | } | |
1741 | ||
1742 | if (json == NULL) { | |
996c9314 | 1743 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 1744 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
1745 | } else |
1746 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
1747 | ||
1748 | /* assign per-vni to wctx->json object to fill macs | |
1749 | * under the vni. Re-assign primary json object to fill | |
1750 | * next vni information. | |
1751 | */ | |
c0b4eaa4 MK |
1752 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
1753 | wctx.vty = vty; | |
1754 | wctx.json = json_vni; | |
1755 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
1756 | if (json) | |
b7cfce93 | 1757 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1758 | } |
1759 | ||
e3b78da8 | 1760 | static void zl3vni_print_rmac_hash(struct hash_bucket *bucket, void *ctx) |
b7cfce93 MK |
1761 | { |
1762 | zebra_mac_t *zrmac = NULL; | |
1763 | struct rmac_walk_ctx *wctx = NULL; | |
1764 | struct vty *vty = NULL; | |
1765 | struct json_object *json = NULL; | |
1766 | struct json_object *json_rmac = NULL; | |
1767 | char buf[ETHER_ADDR_STRLEN]; | |
1768 | ||
1769 | wctx = (struct rmac_walk_ctx *)ctx; | |
1770 | vty = wctx->vty; | |
1771 | json = wctx->json; | |
1772 | if (json) | |
1773 | json_rmac = json_object_new_object(); | |
e3b78da8 | 1774 | zrmac = (zebra_mac_t *)bucket->data; |
b7cfce93 MK |
1775 | |
1776 | if (!json) { | |
4cce389e | 1777 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 1778 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 1779 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 1780 | } else { |
996c9314 LB |
1781 | json_object_string_add( |
1782 | json_rmac, "routerMac", | |
1783 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 1784 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 1785 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
1786 | json_object_object_add( |
1787 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
1788 | json_rmac); | |
b7cfce93 MK |
1789 | } |
1790 | } | |
1791 | ||
1792 | /* print a specific L3 VNI entry */ | |
1793 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
1794 | { | |
1795 | char buf[ETHER_ADDR_STRLEN]; | |
1796 | struct vty *vty = NULL; | |
1797 | json_object *json = NULL; | |
1798 | zebra_vni_t *zvni = NULL; | |
1799 | json_object *json_vni_list = NULL; | |
1800 | struct listnode *node = NULL, *nnode = NULL; | |
1801 | ||
1802 | vty = ctx[0]; | |
1803 | json = ctx[1]; | |
1804 | ||
1805 | if (!json) { | |
1806 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 1807 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 1808 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 1809 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 1810 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
1811 | vty_out(vty, " Vxlan-Intf: %s\n", |
1812 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
1813 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
1814 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 1815 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
1816 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
1817 | ? "prefix-routes-only" | |
1818 | : "none"); | |
28ad0501 CS |
1819 | vty_out(vty, " System MAC: %s\n", |
1820 | zl3vni_sysmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 1821 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 1822 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 1823 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
1824 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
1825 | vty_out(vty, "%u ", zvni->vni); | |
1826 | vty_out(vty, "\n"); | |
1827 | } else { | |
1828 | json_vni_list = json_object_new_array(); | |
1829 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
1830 | json_object_string_add(json, "type", "L3"); |
1831 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 1832 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 1833 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 1834 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 1835 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 1836 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
1837 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
1838 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
28ad0501 CS |
1839 | json_object_string_add( |
1840 | json, "sysMac", | |
1841 | zl3vni_sysmac2str(zl3vni, buf, sizeof(buf))); | |
996c9314 LB |
1842 | json_object_string_add( |
1843 | json, "routerMac", | |
1844 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1845 | json_object_string_add( | |
1846 | json, "vniFilter", | |
1847 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
1848 | ? "prefix-routes-only" | |
1849 | : "none"); | |
b7cfce93 MK |
1850 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
1851 | json_object_array_add(json_vni_list, | |
1852 | json_object_new_int(zvni->vni)); | |
1853 | } | |
4cce389e | 1854 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
1855 | } |
1856 | } | |
1857 | ||
cec2e17d | 1858 | /* |
1859 | * Print a specific VNI entry. | |
1860 | */ | |
cd233079 | 1861 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 1862 | { |
1863 | struct vty *vty; | |
1864 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1865 | uint32_t num_macs; |
1866 | uint32_t num_neigh; | |
cd233079 CS |
1867 | json_object *json = NULL; |
1868 | json_object *json_vtep_list = NULL; | |
1869 | json_object *json_ip_str = NULL; | |
d62a17ae | 1870 | |
cd233079 CS |
1871 | vty = ctxt[0]; |
1872 | json = ctxt[1]; | |
1873 | ||
b7cfce93 | 1874 | if (json == NULL) { |
cd233079 | 1875 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1876 | vty_out(vty, " Type: %s\n", "L2"); |
1877 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1878 | } else { |
cd233079 | 1879 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1880 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1881 | json_object_string_add(json, "vrf", |
1882 | vrf_id_to_name(zvni->vrf_id)); | |
1883 | } | |
d62a17ae | 1884 | |
d62a17ae | 1885 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1886 | if (json == NULL) |
1887 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1888 | return; |
1889 | } | |
790f8dc5 | 1890 | num_macs = num_valid_macs(zvni); |
cd233079 | 1891 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1892 | if (json == NULL) { |
996c9314 | 1893 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1894 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1895 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1896 | inet_ntoa(zvni->local_vtep_ip)); |
39c46ff1 AK |
1897 | vty_out(vty, " Mcast group: %s\n", |
1898 | inet_ntoa(zvni->mcast_grp)); | |
4cce389e | 1899 | } else { |
cd233079 CS |
1900 | json_object_string_add(json, "vxlanInterface", |
1901 | zvni->vxlan_if->name); | |
1902 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1903 | json_object_string_add(json, "vtepIp", | |
1904 | inet_ntoa(zvni->local_vtep_ip)); | |
39c46ff1 AK |
1905 | json_object_string_add(json, "mcastGroup", |
1906 | inet_ntoa(zvni->mcast_grp)); | |
ddd16ed5 MK |
1907 | json_object_string_add(json, "advertiseGatewayMacip", |
1908 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1909 | json_object_int_add(json, "numMacs", num_macs); |
1910 | json_object_int_add(json, "numArpNd", num_neigh); | |
1911 | } | |
d62a17ae | 1912 | if (!zvni->vteps) { |
cd233079 CS |
1913 | if (json == NULL) |
1914 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1915 | } else { |
cd233079 CS |
1916 | if (json == NULL) |
1917 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1918 | else | |
1919 | json_vtep_list = json_object_new_array(); | |
1920 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
9718c54e AK |
1921 | const char *flood_str = lookup_msg(zvtep_flood_str, |
1922 | zvtep->flood_control, | |
1923 | VXLAN_FLOOD_STR_DEFAULT); | |
1924 | ||
1925 | if (json == NULL) { | |
1926 | vty_out(vty, " %s flood: %s\n", | |
1927 | inet_ntoa(zvtep->vtep_ip), | |
1928 | flood_str); | |
1929 | } else { | |
cd233079 | 1930 | json_ip_str = json_object_new_string( |
9718c54e | 1931 | inet_ntoa(zvtep->vtep_ip)); |
cd233079 | 1932 | json_object_array_add(json_vtep_list, |
9718c54e | 1933 | json_ip_str); |
cd233079 CS |
1934 | } |
1935 | } | |
1936 | if (json) | |
1937 | json_object_object_add(json, "numRemoteVteps", | |
1938 | json_vtep_list); | |
1939 | } | |
1940 | if (json == NULL) { | |
1941 | vty_out(vty, | |
1942 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1943 | num_macs); | |
1944 | vty_out(vty, | |
1945 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1946 | "known for this VNI: %u\n", | |
1947 | num_neigh); | |
ddd16ed5 MK |
1948 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1949 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1950 | } |
cec2e17d | 1951 | } |
1952 | ||
b7cfce93 | 1953 | /* print a L3 VNI hash entry */ |
e3b78da8 | 1954 | static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[]) |
b7cfce93 | 1955 | { |
b7cfce93 MK |
1956 | struct vty *vty = NULL; |
1957 | json_object *json = NULL; | |
51d8de8f | 1958 | json_object *json_vni = NULL; |
b7cfce93 MK |
1959 | zebra_l3vni_t *zl3vni = NULL; |
1960 | ||
51d8de8f MK |
1961 | vty = (struct vty *)ctx[0]; |
1962 | json = (json_object *)ctx[1]; | |
b7cfce93 | 1963 | |
e3b78da8 | 1964 | zl3vni = (zebra_l3vni_t *)bucket->data; |
b7cfce93 MK |
1965 | |
1966 | if (!json) { | |
996c9314 LB |
1967 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1968 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1969 | hashcount(zl3vni->rmac_table), |
996c9314 | 1970 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1971 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1972 | } else { |
51d8de8f MK |
1973 | char vni_str[VNI_STR_LEN]; |
1974 | ||
1975 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1976 | json_vni = json_object_new_object(); | |
1977 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1978 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1979 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1980 | json_object_int_add(json_vni, "numMacs", |
1981 | hashcount(zl3vni->rmac_table)); | |
1982 | json_object_int_add(json_vni, "numArpNd", | |
1983 | hashcount(zl3vni->nh_table)); | |
1984 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1985 | json_object_string_add(json_vni, "type", "L3"); | |
1986 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1987 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1988 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1989 | } |
b7cfce93 MK |
1990 | } |
1991 | ||
09af6961 NS |
1992 | /* Private Structure to pass callback data for hash iterator */ |
1993 | struct zvni_evpn_show { | |
1994 | struct vty *vty; | |
1995 | json_object *json; | |
1996 | struct zebra_vrf *zvrf; | |
06931fdb | 1997 | bool use_json; |
09af6961 NS |
1998 | }; |
1999 | ||
2000 | /* print a L3 VNI hash entry in detail*/ | |
e3b78da8 | 2001 | static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
2002 | { |
2003 | struct vty *vty = NULL; | |
2004 | zebra_l3vni_t *zl3vni = NULL; | |
06931fdb | 2005 | json_object *json_array = NULL; |
09af6961 NS |
2006 | bool use_json = false; |
2007 | struct zvni_evpn_show *zes = data; | |
2008 | ||
2009 | vty = zes->vty; | |
06931fdb LK |
2010 | json_array = zes->json; |
2011 | use_json = zes->use_json; | |
09af6961 | 2012 | |
e3b78da8 | 2013 | zl3vni = (zebra_l3vni_t *)bucket->data; |
09af6961 | 2014 | |
06931fdb LK |
2015 | zebra_vxlan_print_vni(vty, zes->zvrf, zl3vni->vni, |
2016 | use_json, json_array); | |
2017 | ||
2018 | if (!use_json) | |
2019 | vty_out(vty, "\n"); | |
09af6961 NS |
2020 | } |
2021 | ||
2022 | ||
cec2e17d | 2023 | /* |
2024 | * Print a VNI hash entry - called for display of all VNIs. | |
2025 | */ | |
e3b78da8 | 2026 | static void zvni_print_hash(struct hash_bucket *bucket, void *ctxt[]) |
cec2e17d | 2027 | { |
d62a17ae | 2028 | struct vty *vty; |
2029 | zebra_vni_t *zvni; | |
2030 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
2031 | uint32_t num_vteps = 0; |
2032 | uint32_t num_macs = 0; | |
2033 | uint32_t num_neigh = 0; | |
cd233079 CS |
2034 | json_object *json = NULL; |
2035 | json_object *json_vni = NULL; | |
2036 | json_object *json_ip_str = NULL; | |
2037 | json_object *json_vtep_list = NULL; | |
2038 | ||
2039 | vty = ctxt[0]; | |
2040 | json = ctxt[1]; | |
cec2e17d | 2041 | |
e3b78da8 | 2042 | zvni = (zebra_vni_t *)bucket->data; |
cec2e17d | 2043 | |
d62a17ae | 2044 | zvtep = zvni->vteps; |
2045 | while (zvtep) { | |
2046 | num_vteps++; | |
2047 | zvtep = zvtep->next; | |
2048 | } | |
cec2e17d | 2049 | |
790f8dc5 | 2050 | num_macs = num_valid_macs(zvni); |
d62a17ae | 2051 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 2052 | if (json == NULL) |
996c9314 | 2053 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 2054 | zvni->vni, "L2", |
cd233079 | 2055 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 2056 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 2057 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
2058 | else { |
2059 | char vni_str[VNI_STR_LEN]; | |
2060 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
2061 | json_vni = json_object_new_object(); | |
4cce389e MK |
2062 | json_object_int_add(json_vni, "vni", zvni->vni); |
2063 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
2064 | json_object_string_add(json_vni, "vxlanIf", |
2065 | zvni->vxlan_if ? zvni->vxlan_if->name | |
2066 | : "unknown"); | |
cd233079 CS |
2067 | json_object_int_add(json_vni, "numMacs", num_macs); |
2068 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
2069 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
2070 | json_object_string_add(json_vni, "tenantVrf", |
2071 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
2072 | if (num_vteps) { |
2073 | json_vtep_list = json_object_new_array(); | |
2074 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
2075 | json_ip_str = json_object_new_string( | |
2076 | inet_ntoa(zvtep->vtep_ip)); | |
2077 | json_object_array_add(json_vtep_list, | |
2078 | json_ip_str); | |
2079 | } | |
2080 | json_object_object_add(json_vni, "remoteVteps", | |
2081 | json_vtep_list); | |
2082 | } | |
2083 | json_object_object_add(json, vni_str, json_vni); | |
2084 | } | |
cec2e17d | 2085 | } |
2086 | ||
09af6961 NS |
2087 | /* |
2088 | * Print a VNI hash entry in detail - called for display of all VNIs. | |
2089 | */ | |
e3b78da8 | 2090 | static void zvni_print_hash_detail(struct hash_bucket *bucket, void *data) |
09af6961 NS |
2091 | { |
2092 | struct vty *vty; | |
2093 | zebra_vni_t *zvni; | |
06931fdb | 2094 | json_object *json_array = NULL; |
09af6961 NS |
2095 | bool use_json = false; |
2096 | struct zvni_evpn_show *zes = data; | |
2097 | ||
2098 | vty = zes->vty; | |
06931fdb LK |
2099 | json_array = zes->json; |
2100 | use_json = zes->use_json; | |
09af6961 | 2101 | |
e3b78da8 | 2102 | zvni = (zebra_vni_t *)bucket->data; |
09af6961 | 2103 | |
06931fdb LK |
2104 | zebra_vxlan_print_vni(vty, zes->zvrf, zvni->vni, use_json, json_array); |
2105 | ||
2106 | if (!use_json) | |
2107 | vty_out(vty, "\n"); | |
09af6961 NS |
2108 | } |
2109 | ||
13d60d35 | 2110 | /* |
2232a77c | 2111 | * Inform BGP about local MACIP. |
2112 | */ | |
996c9314 | 2113 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2114 | struct ipaddr *ip, uint8_t flags, |
2c476b72 | 2115 | uint32_t seq, int state, uint16_t cmd) |
d62a17ae | 2116 | { |
d62a17ae | 2117 | char buf[ETHER_ADDR_STRLEN]; |
2118 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2119 | int ipa_len; |
2120 | struct zserv *client = NULL; | |
2121 | struct stream *s = NULL; | |
d62a17ae | 2122 | |
21ccc0cf | 2123 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2124 | /* BGP may not be running. */ |
2125 | if (!client) | |
2126 | return 0; | |
2127 | ||
1002497a | 2128 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2129 | |
43779a11 | 2130 | zclient_create_header(s, cmd, zebra_vrf_get_evpn_id()); |
d62a17ae | 2131 | stream_putl(s, vni); |
ff8b7eb8 | 2132 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 2133 | if (ip) { |
2134 | ipa_len = 0; | |
2135 | if (IS_IPADDR_V4(ip)) | |
2136 | ipa_len = IPV4_MAX_BYTELEN; | |
2137 | else if (IS_IPADDR_V6(ip)) | |
2138 | ipa_len = IPV6_MAX_BYTELEN; | |
2139 | ||
2140 | stream_putl(s, ipa_len); /* IP address length */ | |
2141 | if (ipa_len) | |
2142 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
2143 | } else | |
2144 | stream_putl(s, 0); /* Just MAC. */ | |
2145 | ||
f07e1c99 | 2146 | if (cmd == ZEBRA_MACIP_ADD) { |
2147 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
2148 | stream_putl(s, seq); /* sequence number */ | |
2c476b72 AK |
2149 | } else { |
2150 | stream_putl(s, state); /* state - active/inactive */ | |
f07e1c99 | 2151 | } |
d62a17ae | 2152 | |
b7cfce93 | 2153 | |
d62a17ae | 2154 | /* Write packet size. */ |
2155 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2156 | ||
2157 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 2158 | zlog_debug( |
f07e1c99 | 2159 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
2160 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
2161 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 2162 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 2163 | zebra_route_string(client->proto)); |
d62a17ae | 2164 | |
2165 | if (cmd == ZEBRA_MACIP_ADD) | |
2166 | client->macipadd_cnt++; | |
2167 | else | |
2168 | client->macipdel_cnt++; | |
2169 | ||
21ccc0cf | 2170 | return zserv_send_message(client, s); |
2232a77c | 2171 | } |
2172 | ||
2173 | /* | |
2174 | * Make hash key for neighbors. | |
13d60d35 | 2175 | */ |
d8b87afe | 2176 | static unsigned int neigh_hash_keymake(const void *p) |
13d60d35 | 2177 | { |
d8b87afe QY |
2178 | const zebra_neigh_t *n = p; |
2179 | const struct ipaddr *ip = &n->ip; | |
13d60d35 | 2180 | |
d62a17ae | 2181 | if (IS_IPADDR_V4(ip)) |
2182 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 2183 | |
d62a17ae | 2184 | return jhash2(ip->ipaddr_v6.s6_addr32, |
7e3a1ec7 | 2185 | array_size(ip->ipaddr_v6.s6_addr32), 0); |
13d60d35 | 2186 | } |
2187 | ||
2188 | /* | |
2232a77c | 2189 | * Compare two neighbor hash structures. |
13d60d35 | 2190 | */ |
74df8d6d | 2191 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 2192 | { |
d62a17ae | 2193 | const zebra_neigh_t *n1 = p1; |
2194 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 2195 | |
d62a17ae | 2196 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 2197 | return true; |
2232a77c | 2198 | |
d62a17ae | 2199 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 2200 | return false; |
2232a77c | 2201 | |
d62a17ae | 2202 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 2203 | } |
2204 | ||
27fa3398 DS |
2205 | static int neigh_list_cmp(void *p1, void *p2) |
2206 | { | |
2207 | const zebra_neigh_t *n1 = p1; | |
2208 | const zebra_neigh_t *n2 = p2; | |
2209 | ||
2210 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
2211 | } | |
2212 | ||
13d60d35 | 2213 | /* |
2232a77c | 2214 | * Callback to allocate neighbor hash entry. |
13d60d35 | 2215 | */ |
d62a17ae | 2216 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 2217 | { |
d62a17ae | 2218 | const zebra_neigh_t *tmp_n = p; |
2219 | zebra_neigh_t *n; | |
13d60d35 | 2220 | |
d62a17ae | 2221 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
2222 | *n = *tmp_n; | |
2232a77c | 2223 | |
d62a17ae | 2224 | return ((void *)n); |
13d60d35 | 2225 | } |
2226 | ||
2227 | /* | |
2232a77c | 2228 | * Add neighbor entry. |
13d60d35 | 2229 | */ |
b6938a74 MK |
2230 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
2231 | struct ethaddr *mac) | |
13d60d35 | 2232 | { |
d62a17ae | 2233 | zebra_neigh_t tmp_n; |
2234 | zebra_neigh_t *n = NULL; | |
b6938a74 | 2235 | zebra_mac_t *zmac = NULL; |
13d60d35 | 2236 | |
d62a17ae | 2237 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
2238 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
2239 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
2240 | assert(n); | |
13d60d35 | 2241 | |
b6938a74 MK |
2242 | memcpy(&n->emac, mac, ETH_ALEN); |
2243 | n->state = ZEBRA_NEIGH_INACTIVE; | |
d346c2e9 | 2244 | n->zvni = zvni; |
55328d8a | 2245 | n->dad_ip_auto_recovery_timer = NULL; |
b6938a74 MK |
2246 | |
2247 | /* Associate the neigh to mac */ | |
2248 | zmac = zvni_mac_lookup(zvni, mac); | |
2249 | if (zmac) | |
2250 | listnode_add_sort(zmac->neigh_list, n); | |
2251 | ||
d62a17ae | 2252 | return n; |
13d60d35 | 2253 | } |
2254 | ||
2255 | /* | |
2232a77c | 2256 | * Delete neighbor entry. |
13d60d35 | 2257 | */ |
d62a17ae | 2258 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 2259 | { |
d62a17ae | 2260 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
2261 | zebra_mac_t *zmac = NULL; |
2262 | ||
2263 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
2264 | if (zmac) | |
2265 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 2266 | |
55328d8a CS |
2267 | /* Cancel auto recovery */ |
2268 | THREAD_OFF(n->dad_ip_auto_recovery_timer); | |
2269 | ||
d62a17ae | 2270 | /* Free the VNI hash entry and allocated memory. */ |
2271 | tmp_n = hash_release(zvni->neigh_table, n); | |
0a22ddfb | 2272 | XFREE(MTYPE_NEIGH, tmp_n); |
13d60d35 | 2273 | |
d62a17ae | 2274 | return 0; |
13d60d35 | 2275 | } |
2276 | ||
2277 | /* | |
2232a77c | 2278 | * Free neighbor hash entry (callback) |
13d60d35 | 2279 | */ |
e3b78da8 | 2280 | static void zvni_neigh_del_hash_entry(struct hash_bucket *bucket, void *arg) |
13d60d35 | 2281 | { |
d62a17ae | 2282 | struct neigh_walk_ctx *wctx = arg; |
e3b78da8 | 2283 | zebra_neigh_t *n = bucket->data; |
2232a77c | 2284 | |
d62a17ae | 2285 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
2286 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
2287 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
2288 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
2289 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
2290 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
2291 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 2292 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
2c476b72 | 2293 | &n->emac, 0, n->state); |
13d60d35 | 2294 | |
d62a17ae | 2295 | if (wctx->uninstall) |
2296 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 2297 | |
b1599bb6 | 2298 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 2299 | } |
13d60d35 | 2300 | |
b1599bb6 | 2301 | return; |
13d60d35 | 2302 | } |
2303 | ||
2304 | /* | |
2232a77c | 2305 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 2306 | */ |
d62a17ae | 2307 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2308 | struct in_addr *r_vtep_ip) | |
13d60d35 | 2309 | { |
d62a17ae | 2310 | struct neigh_walk_ctx wctx; |
13d60d35 | 2311 | |
d62a17ae | 2312 | if (!zvni->neigh_table) |
2313 | return; | |
13d60d35 | 2314 | |
d62a17ae | 2315 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2316 | wctx.zvni = zvni; | |
2317 | wctx.uninstall = uninstall; | |
2318 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
2319 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 2320 | |
b1599bb6 | 2321 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 2322 | } |
13d60d35 | 2323 | |
2232a77c | 2324 | /* |
2325 | * Delete all neighbor entries for this VNI. | |
2326 | */ | |
996c9314 | 2327 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2328 | uint32_t flags) |
2232a77c | 2329 | { |
d62a17ae | 2330 | struct neigh_walk_ctx wctx; |
13d60d35 | 2331 | |
d62a17ae | 2332 | if (!zvni->neigh_table) |
2333 | return; | |
13d60d35 | 2334 | |
d62a17ae | 2335 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
2336 | wctx.zvni = zvni; | |
d62a17ae | 2337 | wctx.uninstall = uninstall; |
2338 | wctx.upd_client = upd_client; | |
2339 | wctx.flags = flags; | |
2232a77c | 2340 | |
b1599bb6 | 2341 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 2342 | } |
2343 | ||
2344 | /* | |
2232a77c | 2345 | * Look up neighbor hash entry. |
2346 | */ | |
d62a17ae | 2347 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 2348 | { |
d62a17ae | 2349 | zebra_neigh_t tmp; |
2350 | zebra_neigh_t *n; | |
2232a77c | 2351 | |
d62a17ae | 2352 | memset(&tmp, 0, sizeof(tmp)); |
2353 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
2354 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 2355 | |
d62a17ae | 2356 | return n; |
2232a77c | 2357 | } |
2358 | ||
f07e1c99 | 2359 | /* |
2360 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
2361 | * locally or undergoing any other change (such as sequence number). | |
2362 | */ | |
2363 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
2364 | zebra_mac_t *zmac, | |
2365 | bool seq_change) | |
b6938a74 MK |
2366 | { |
2367 | zebra_neigh_t *n = NULL; | |
2368 | struct listnode *node = NULL; | |
c80a972c | 2369 | struct zebra_vrf *zvrf = NULL; |
b6938a74 | 2370 | char buf[ETHER_ADDR_STRLEN]; |
b6938a74 | 2371 | |
a36898e7 | 2372 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
c80a972c | 2373 | |
f07e1c99 | 2374 | if (IS_ZEBRA_DEBUG_VXLAN) |
2375 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
2376 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2377 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
2378 | ||
2379 | /* Walk all neighbors and mark any inactive local neighbors as | |
2380 | * active and/or update sequence number upon a move, and inform BGP. | |
2381 | * The action for remote neighbors is TBD. | |
2382 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
2383 | * accidentally end up deleting a just-learnt local neighbor. | |
2384 | */ | |
b6938a74 MK |
2385 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2386 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 2387 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 2388 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2389 | n->loc_seq = zmac->loc_seq; |
c80a972c CS |
2390 | if (!(zvrf->dup_addr_detect && |
2391 | zvrf->dad_freeze && !!CHECK_FLAG(n->flags, | |
2392 | ZEBRA_NEIGH_DUPLICATE))) | |
2393 | zvni_neigh_send_add_to_client( | |
2394 | zvni->vni, &n->ip, &n->emac, | |
2395 | n->flags, n->loc_seq); | |
b6938a74 | 2396 | } |
b6938a74 MK |
2397 | } |
2398 | } | |
2399 | } | |
2400 | ||
f07e1c99 | 2401 | /* |
2402 | * Process all neighbors associated with a local MAC upon the MAC being | |
2403 | * deleted. | |
2404 | */ | |
2853fed6 | 2405 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2406 | zebra_mac_t *zmac) |
2407 | { | |
2408 | zebra_neigh_t *n = NULL; | |
2409 | struct listnode *node = NULL; | |
2410 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2411 | |
f07e1c99 | 2412 | if (IS_ZEBRA_DEBUG_VXLAN) |
2413 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
2414 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2415 | zvni->vni); | |
2416 | ||
2417 | /* Walk all local neighbors and mark as inactive and inform | |
2418 | * BGP, if needed. | |
2419 | * TBD: There is currently no handling for remote neighbors. We | |
2420 | * don't expect them to exist, if they do, do we install the MAC | |
2421 | * as a remote MAC and the neighbor as remote? | |
2422 | */ | |
b6938a74 MK |
2423 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2424 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2425 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2426 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2427 | n->loc_seq = 0; |
996c9314 | 2428 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2429 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 | 2430 | } |
b6938a74 MK |
2431 | } |
2432 | } | |
2433 | } | |
2434 | ||
f07e1c99 | 2435 | /* |
2436 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
2437 | * learnt. | |
2438 | */ | |
2853fed6 | 2439 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
2440 | zebra_mac_t *zmac) |
2441 | { | |
2442 | zebra_neigh_t *n = NULL; | |
2443 | struct listnode *node = NULL; | |
2444 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 2445 | |
f07e1c99 | 2446 | if (IS_ZEBRA_DEBUG_VXLAN) |
2447 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
2448 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
2449 | zvni->vni); | |
2450 | ||
2451 | /* Walk all local neighbors and mark as inactive and inform | |
2452 | * BGP, if needed. | |
2453 | */ | |
b6938a74 MK |
2454 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
2455 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
2456 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 2457 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2458 | n->loc_seq = 0; |
996c9314 | 2459 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
2c476b72 | 2460 | &n->emac, 0, ZEBRA_NEIGH_ACTIVE); |
b6938a74 MK |
2461 | } |
2462 | } | |
2463 | } | |
2464 | } | |
2465 | ||
f07e1c99 | 2466 | /* |
2467 | * Process all neighbors associated with a remote MAC upon the MAC being | |
2468 | * deleted. | |
2469 | */ | |
2853fed6 | 2470 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
2471 | zebra_mac_t *zmac) |
2472 | { | |
f07e1c99 | 2473 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
2474 | } |
2475 | ||
44bc8ae5 CS |
2476 | static void zvni_probe_neigh_on_mac_add(zebra_vni_t *zvni, zebra_mac_t *zmac) |
2477 | { | |
2478 | zebra_neigh_t *nbr = NULL; | |
2479 | struct listnode *node = NULL; | |
2480 | ||
2481 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, nbr)) { | |
2482 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) && | |
2483 | IS_ZEBRA_NEIGH_INACTIVE(nbr)) | |
2484 | zvni_neigh_probe(zvni, nbr); | |
2485 | } | |
2486 | } | |
2487 | ||
2232a77c | 2488 | /* |
2489 | * Inform BGP about local neighbor addition. | |
13d60d35 | 2490 | */ |
996c9314 | 2491 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 2492 | struct ethaddr *macaddr, |
f07e1c99 | 2493 | uint8_t neigh_flags, |
2494 | uint32_t seq) | |
13d60d35 | 2495 | { |
d7c0a89a | 2496 | uint8_t flags = 0; |
ead40654 MK |
2497 | |
2498 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
2499 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
2500 | /* Set router flag (R-bit) based on local neigh entry add */ |
2501 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
2502 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
0ca10580 CS |
2503 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_SVI_IP)) |
2504 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_SVI_IP); | |
ead40654 | 2505 | |
2853fed6 | 2506 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2507 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 2508 | } |
13d60d35 | 2509 | |
2232a77c | 2510 | /* |
2511 | * Inform BGP about local neighbor deletion. | |
2512 | */ | |
996c9314 | 2513 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
2c476b72 AK |
2514 | struct ethaddr *macaddr, uint8_t flags, |
2515 | int state) | |
2232a77c | 2516 | { |
2853fed6 | 2517 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
2c476b72 | 2518 | 0, state, ZEBRA_MACIP_DEL); |
2232a77c | 2519 | } |
2520 | ||
2521 | /* | |
2522 | * Install remote neighbor into the kernel. | |
2523 | */ | |
d62a17ae | 2524 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2525 | { |
d62a17ae | 2526 | struct zebra_if *zif; |
2527 | struct zebra_l2info_vxlan *vxl; | |
2528 | struct interface *vlan_if; | |
931fa60c | 2529 | int flags; |
68e33151 | 2530 | int ret = 0; |
2232a77c | 2531 | |
d62a17ae | 2532 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2533 | return 0; | |
13d60d35 | 2534 | |
d62a17ae | 2535 | zif = zvni->vxlan_if->info; |
2536 | if (!zif) | |
2537 | return -1; | |
2538 | vxl = &zif->l2info.vxl; | |
13d60d35 | 2539 | |
2853fed6 | 2540 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2541 | if (!vlan_if) |
2542 | return -1; | |
931fa60c MS |
2543 | |
2544 | flags = DPLANE_NTF_EXT_LEARNED; | |
68e33151 | 2545 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) |
931fa60c | 2546 | flags |= DPLANE_NTF_ROUTER; |
f07e1c99 | 2547 | ZEBRA_NEIGH_SET_ACTIVE(n); |
931fa60c MS |
2548 | |
2549 | dplane_neigh_add(vlan_if, &n->ip, &n->emac, flags); | |
2550 | ||
68e33151 | 2551 | return ret; |
2232a77c | 2552 | } |
13d60d35 | 2553 | |
2232a77c | 2554 | /* |
2555 | * Uninstall remote neighbor from the kernel. | |
2556 | */ | |
d62a17ae | 2557 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 2558 | { |
d62a17ae | 2559 | struct zebra_if *zif; |
2560 | struct zebra_l2info_vxlan *vxl; | |
2561 | struct interface *vlan_if; | |
13d60d35 | 2562 | |
d62a17ae | 2563 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
2564 | return 0; | |
2232a77c | 2565 | |
d62a17ae | 2566 | if (!zvni->vxlan_if) { |
e0e140a7 MS |
2567 | if (IS_ZEBRA_DEBUG_VXLAN) |
2568 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", | |
2569 | zvni->vni, zvni); | |
d62a17ae | 2570 | return -1; |
2571 | } | |
2232a77c | 2572 | |
d62a17ae | 2573 | zif = zvni->vxlan_if->info; |
2574 | if (!zif) | |
2575 | return -1; | |
2576 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2577 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 2578 | if (!vlan_if) |
2579 | return -1; | |
2232a77c | 2580 | |
f07e1c99 | 2581 | ZEBRA_NEIGH_SET_INACTIVE(n); |
2582 | n->loc_seq = 0; | |
931fa60c MS |
2583 | |
2584 | dplane_neigh_delete(vlan_if, &n->ip); | |
2585 | ||
2586 | return 0; | |
13d60d35 | 2587 | } |
2588 | ||
44bc8ae5 CS |
2589 | /* |
2590 | * Probe neighbor from the kernel. | |
2591 | */ | |
2592 | static int zvni_neigh_probe(zebra_vni_t *zvni, zebra_neigh_t *n) | |
2593 | { | |
2594 | struct zebra_if *zif; | |
2595 | struct zebra_l2info_vxlan *vxl; | |
2596 | struct interface *vlan_if; | |
2597 | ||
2598 | zif = zvni->vxlan_if->info; | |
2599 | if (!zif) | |
2600 | return -1; | |
2601 | vxl = &zif->l2info.vxl; | |
2602 | ||
2603 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
2604 | if (!vlan_if) | |
2605 | return -1; | |
2606 | ||
931fa60c MS |
2607 | dplane_neigh_update(vlan_if, &n->ip, &n->emac); |
2608 | ||
44bc8ae5 | 2609 | return 0; |
44bc8ae5 CS |
2610 | } |
2611 | ||
13d60d35 | 2612 | /* |
2232a77c | 2613 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 2614 | */ |
e3b78da8 | 2615 | static void zvni_install_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
13d60d35 | 2616 | { |
d62a17ae | 2617 | zebra_neigh_t *n; |
2618 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 2619 | |
e3b78da8 | 2620 | n = (zebra_neigh_t *)bucket->data; |
13d60d35 | 2621 | |
d62a17ae | 2622 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
2623 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 2624 | } |
13d60d35 | 2625 | |
1a98c087 MK |
2626 | /* Get the VRR interface for SVI if any */ |
2627 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
2628 | { | |
2629 | struct zebra_vrf *zvrf = NULL; | |
2630 | struct interface *tmp_if = NULL; | |
2631 | struct zebra_if *zif = NULL; | |
1a98c087 | 2632 | |
a36898e7 | 2633 | zvrf = vrf_info_lookup(ifp->vrf_id); |
1a98c087 MK |
2634 | assert(zvrf); |
2635 | ||
451fda4f | 2636 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
2637 | zif = tmp_if->info; |
2638 | if (!zif) | |
2639 | continue; | |
2640 | ||
2641 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
2642 | continue; | |
2643 | ||
2644 | if (zif->link == ifp) | |
2645 | return tmp_if; | |
2646 | } | |
2647 | ||
2648 | return NULL; | |
2649 | } | |
2650 | ||
2651 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2652 | { | |
1a98c087 MK |
2653 | struct listnode *cnode = NULL, *cnnode = NULL; |
2654 | struct connected *c = NULL; | |
2655 | struct ethaddr macaddr; | |
2656 | ||
1a98c087 MK |
2657 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2658 | ||
2659 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2660 | struct ipaddr ip; | |
2661 | ||
2662 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2663 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2664 | continue; | |
2665 | ||
2666 | if (c->address->family == AF_INET) { | |
2667 | ip.ipa_type = IPADDR_V4; | |
2668 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2669 | sizeof(struct in_addr)); | |
2670 | } else if (c->address->family == AF_INET6) { | |
2671 | ip.ipa_type = IPADDR_V6; | |
2672 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2673 | sizeof(struct in6_addr)); | |
2674 | } else { | |
2675 | continue; | |
2676 | } | |
2677 | ||
2678 | zvni_gw_macip_del(ifp, zvni, &ip); | |
2679 | } | |
2680 | ||
2681 | return 0; | |
2682 | } | |
2683 | ||
2684 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
2685 | { | |
1a98c087 MK |
2686 | struct listnode *cnode = NULL, *cnnode = NULL; |
2687 | struct connected *c = NULL; | |
2688 | struct ethaddr macaddr; | |
2689 | ||
1a98c087 MK |
2690 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
2691 | ||
2692 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2693 | struct ipaddr ip; | |
2694 | ||
2695 | memset(&ip, 0, sizeof(struct ipaddr)); | |
2696 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
2697 | continue; | |
2698 | ||
2699 | if (c->address->family == AF_INET) { | |
2700 | ip.ipa_type = IPADDR_V4; | |
2701 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
2702 | sizeof(struct in_addr)); | |
2703 | } else if (c->address->family == AF_INET6) { | |
2704 | ip.ipa_type = IPADDR_V6; | |
2705 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
2706 | sizeof(struct in6_addr)); | |
2707 | } else { | |
2708 | continue; | |
2709 | } | |
2710 | ||
2711 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
2712 | } | |
31310b25 MK |
2713 | return 0; |
2714 | } | |
2715 | ||
2716 | ||
996c9314 | 2717 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
2718 | int advertise) |
2719 | { | |
2720 | struct listnode *cnode = NULL, *cnnode = NULL; | |
2721 | struct connected *c = NULL; | |
2722 | struct ethaddr macaddr; | |
2723 | ||
2724 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
2725 | ||
2726 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
2727 | struct prefix p; | |
1a98c087 | 2728 | |
31310b25 MK |
2729 | memcpy(&p, c->address, sizeof(struct prefix)); |
2730 | ||
2731 | /* skip link local address */ | |
2732 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
2733 | continue; | |
2734 | ||
2735 | apply_mask(&p); | |
2736 | if (advertise) | |
a36898e7 | 2737 | ip_prefix_send_to_client(ifp->vrf_id, &p, |
996c9314 | 2738 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 | 2739 | else |
a36898e7 | 2740 | ip_prefix_send_to_client(ifp->vrf_id, &p, |
31310b25 MK |
2741 | ZEBRA_IP_PREFIX_ROUTE_DEL); |
2742 | } | |
1a98c087 MK |
2743 | return 0; |
2744 | } | |
2745 | ||
2746 | /* | |
2747 | * zvni_gw_macip_add_to_client | |
2748 | */ | |
2749 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
2750 | struct ethaddr *macaddr, struct ipaddr *ip) | |
2751 | { | |
1a98c087 MK |
2752 | char buf[ETHER_ADDR_STRLEN]; |
2753 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2754 | zebra_neigh_t *n = NULL; |
2755 | zebra_mac_t *mac = NULL; | |
2756 | struct zebra_if *zif = NULL; | |
2757 | struct zebra_l2info_vxlan *vxl = NULL; | |
2758 | ||
1a98c087 MK |
2759 | zif = zvni->vxlan_if->info; |
2760 | if (!zif) | |
2761 | return -1; | |
2762 | ||
2763 | vxl = &zif->l2info.vxl; | |
2764 | ||
2765 | mac = zvni_mac_lookup(zvni, macaddr); | |
2766 | if (!mac) { | |
2767 | mac = zvni_mac_add(zvni, macaddr); | |
2768 | if (!mac) { | |
e914ccbe | 2769 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
2770 | "Failed to add MAC %s intf %s(%u) VID %u", |
2771 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2772 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
2773 | return -1; |
2774 | } | |
2775 | } | |
2776 | ||
2777 | /* Set "local" forwarding info. */ | |
2778 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2779 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 2780 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
2781 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
2782 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
2783 | mac->fwd_info.local.vid = vxl->access_vlan; | |
2784 | ||
2785 | n = zvni_neigh_lookup(zvni, ip); | |
2786 | if (!n) { | |
b6938a74 | 2787 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 2788 | if (!n) { |
af4c2728 | 2789 | flog_err( |
e914ccbe | 2790 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 2791 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2792 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 2793 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
2794 | ifp->name, ifp->ifindex, zvni->vni); |
2795 | return -1; | |
2796 | } | |
2797 | } | |
2798 | ||
2799 | /* Set "local" forwarding info. */ | |
2800 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
1a8c5c38 | 2801 | ZEBRA_NEIGH_SET_ACTIVE(n); |
1a98c087 MK |
2802 | memcpy(&n->emac, macaddr, ETH_ALEN); |
2803 | n->ifindex = ifp->ifindex; | |
2804 | ||
ead40654 | 2805 | /* Only advertise in BGP if the knob is enabled */ |
838cef6d | 2806 | if (advertise_gw_macip_enabled(zvni)) { |
ead40654 | 2807 | |
838cef6d CS |
2808 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
2809 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); | |
2810 | /* Set Router flag (R-bit) */ | |
2811 | if (ip->ipa_type == IPADDR_V6) | |
2812 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2813 | ||
2814 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2815 | zlog_debug( | |
68e33151 | 2816 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 2817 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 2818 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 2819 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 2820 | |
838cef6d CS |
2821 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2822 | n->flags, n->loc_seq); | |
2823 | } else if (advertise_svi_macip_enabled(zvni)) { | |
2824 | ||
0ca10580 | 2825 | SET_FLAG(n->flags, ZEBRA_NEIGH_SVI_IP); |
838cef6d CS |
2826 | if (IS_ZEBRA_DEBUG_VXLAN) |
2827 | zlog_debug( | |
2828 | "SVI %s(%u) L2-VNI %u, sending SVI MAC %s IP %s add to BGP with flags 0x%x", | |
2829 | ifp->name, ifp->ifindex, zvni->vni, | |
2830 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2831 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); | |
2832 | ||
2833 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, | |
2834 | n->flags, n->loc_seq); | |
2835 | } | |
1a98c087 MK |
2836 | |
2837 | return 0; | |
2838 | } | |
2839 | ||
2840 | /* | |
2841 | * zvni_gw_macip_del_from_client | |
2842 | */ | |
2843 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
2844 | struct ipaddr *ip) | |
2845 | { | |
0af35d90 | 2846 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 2847 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
2848 | zebra_neigh_t *n = NULL; |
2849 | zebra_mac_t *mac = NULL; | |
2850 | ||
1a98c087 MK |
2851 | /* If the neigh entry is not present nothing to do*/ |
2852 | n = zvni_neigh_lookup(zvni, ip); | |
2853 | if (!n) | |
2854 | return 0; | |
2855 | ||
2856 | /* mac entry should be present */ | |
2857 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 2858 | if (!mac) { |
e0e140a7 MS |
2859 | if (IS_ZEBRA_DEBUG_VXLAN) |
2860 | zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u", | |
2861 | prefix_mac2str(&n->emac, | |
2862 | buf1, sizeof(buf1)), | |
2863 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2864 | zvni->vni); | |
0af35d90 RW |
2865 | return -1; |
2866 | } | |
1a98c087 MK |
2867 | |
2868 | /* If the entry is not local nothing to do*/ | |
2869 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
2870 | return -1; | |
2871 | ||
ead40654 | 2872 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 2873 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2874 | zlog_debug( |
2875 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
a36898e7 | 2876 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, |
ee496c3b | 2877 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 2878 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
2879 | |
2880 | /* Remove neighbor from BGP. */ | |
2881 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
2c476b72 | 2882 | ZEBRA_MACIP_TYPE_GW, ZEBRA_NEIGH_ACTIVE); |
1a98c087 MK |
2883 | |
2884 | /* Delete this neighbor entry. */ | |
2885 | zvni_neigh_del(zvni, n); | |
2886 | ||
2887 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 2888 | if (mac) |
fe697c6b | 2889 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
2890 | |
2891 | return 0; | |
2892 | } | |
2893 | ||
e3b78da8 | 2894 | static void zvni_gw_macip_del_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2895 | void *ctxt) |
1a98c087 MK |
2896 | { |
2897 | zebra_vni_t *zvni = NULL; | |
2898 | struct zebra_if *zif = NULL; | |
2899 | struct zebra_l2info_vxlan zl2_info; | |
2900 | struct interface *vlan_if = NULL; | |
2901 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2902 | struct interface *ifp; |
1a98c087 MK |
2903 | |
2904 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2905 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2906 | |
27627f9a KA |
2907 | /* Global (Zvrf) advertise-default-gw is disabled, |
2908 | * but zvni advertise-default-gw is enabled | |
2909 | */ | |
2910 | if (zvni->advertise_gw_macip) { | |
2911 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2912 | zlog_debug("VNI: %u GW-MACIP enabled, retain gw-macip", | |
2913 | zvni->vni); | |
2914 | return; | |
2915 | } | |
2916 | ||
b5ebdc9b | 2917 | ifp = zvni->vxlan_if; |
2918 | if (!ifp) | |
2919 | return; | |
2920 | zif = ifp->info; | |
2921 | ||
2922 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2923 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2924 | return; |
2925 | ||
1a98c087 MK |
2926 | zl2_info = zif->l2info.vxl; |
2927 | ||
996c9314 LB |
2928 | vlan_if = |
2929 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2930 | if (!vlan_if) |
2931 | return; | |
2932 | ||
2933 | /* Del primary MAC-IP */ | |
2934 | zvni_del_macip_for_intf(vlan_if, zvni); | |
2935 | ||
2936 | /* Del VRR MAC-IP - if any*/ | |
2937 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2938 | if (vrr_if) | |
2939 | zvni_del_macip_for_intf(vrr_if, zvni); | |
2940 | ||
2941 | return; | |
2942 | } | |
2943 | ||
e3b78da8 | 2944 | static void zvni_gw_macip_add_for_vni_hash(struct hash_bucket *bucket, |
2853fed6 | 2945 | void *ctxt) |
1a98c087 MK |
2946 | { |
2947 | zebra_vni_t *zvni = NULL; | |
2948 | struct zebra_if *zif = NULL; | |
2949 | struct zebra_l2info_vxlan zl2_info; | |
2950 | struct interface *vlan_if = NULL; | |
2951 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2952 | struct interface *ifp = NULL; |
1a98c087 | 2953 | |
e3b78da8 | 2954 | zvni = (zebra_vni_t *)bucket->data; |
1a98c087 | 2955 | |
b5ebdc9b | 2956 | ifp = zvni->vxlan_if; |
2957 | if (!ifp) | |
2958 | return; | |
2959 | zif = ifp->info; | |
2960 | ||
2961 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2962 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2963 | return; |
1a98c087 MK |
2964 | zl2_info = zif->l2info.vxl; |
2965 | ||
996c9314 LB |
2966 | vlan_if = |
2967 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2968 | if (!vlan_if) |
2969 | return; | |
2970 | ||
1a98c087 MK |
2971 | /* Add primary SVI MAC-IP */ |
2972 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2973 | ||
278e26de CS |
2974 | if (advertise_gw_macip_enabled(zvni)) { |
2975 | /* Add VRR MAC-IP - if any*/ | |
2976 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2977 | if (vrr_if) | |
2978 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2979 | } | |
2980 | ||
2981 | return; | |
2982 | } | |
2983 | ||
e3b78da8 | 2984 | static void zvni_svi_macip_del_for_vni_hash(struct hash_bucket *bucket, |
278e26de CS |
2985 | void *ctxt) |
2986 | { | |
2987 | zebra_vni_t *zvni = NULL; | |
2988 | struct zebra_if *zif = NULL; | |
2989 | struct zebra_l2info_vxlan zl2_info; | |
2990 | struct interface *vlan_if = NULL; | |
2991 | struct interface *ifp; | |
2992 | ||
2993 | /* Add primary SVI MAC*/ | |
e3b78da8 | 2994 | zvni = (zebra_vni_t *)bucket->data; |
278e26de CS |
2995 | if (!zvni) |
2996 | return; | |
2997 | ||
27627f9a KA |
2998 | /* Global(vrf) advertise-svi-ip disabled, but zvni advertise-svi-ip |
2999 | * enabled | |
3000 | */ | |
3001 | if (zvni->advertise_svi_macip) { | |
3002 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3003 | zlog_debug("VNI: %u SVI-MACIP enabled, retain svi-macip", | |
3004 | zvni->vni); | |
3005 | return; | |
3006 | } | |
3007 | ||
278e26de CS |
3008 | ifp = zvni->vxlan_if; |
3009 | if (!ifp) | |
3010 | return; | |
3011 | zif = ifp->info; | |
3012 | ||
3013 | /* If down or not mapped to a bridge, we're done. */ | |
3014 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
3015 | return; | |
3016 | ||
3017 | zl2_info = zif->l2info.vxl; | |
3018 | ||
3019 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, | |
3020 | zif->brslave_info.br_if); | |
3021 | if (!vlan_if) | |
3022 | return; | |
3023 | ||
3024 | /* Del primary MAC-IP */ | |
3025 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1a98c087 MK |
3026 | |
3027 | return; | |
3028 | } | |
3029 | ||
ee69da27 MK |
3030 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
3031 | struct interface *ifp, | |
3032 | struct ipaddr *ip, | |
68e33151 | 3033 | struct ethaddr *macaddr, |
a37f4598 | 3034 | bool is_router) |
ee69da27 MK |
3035 | { |
3036 | char buf[ETHER_ADDR_STRLEN]; | |
3037 | char buf2[INET6_ADDRSTRLEN]; | |
e22a946a | 3038 | struct zebra_vrf *zvrf; |
ee69da27 MK |
3039 | zebra_neigh_t *n = NULL; |
3040 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 3041 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
3042 | bool upd_mac_seq = false; | |
3043 | bool neigh_mac_change = false; | |
e22a946a CS |
3044 | bool neigh_on_hold = false; |
3045 | bool neigh_was_remote = false; | |
7510e459 | 3046 | bool do_dad = false; |
e22a946a | 3047 | struct in_addr vtep_ip = {.s_addr = 0}; |
ee69da27 | 3048 | |
f07e1c99 | 3049 | /* Check if the MAC exists. */ |
ee69da27 MK |
3050 | zmac = zvni_mac_lookup(zvni, macaddr); |
3051 | if (!zmac) { | |
f07e1c99 | 3052 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
3053 | if (IS_ZEBRA_DEBUG_VXLAN) |
3054 | zlog_debug( | |
3055 | "AUTO MAC %s created for neigh %s on VNI %u", | |
3056 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3057 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
3058 | ||
3059 | zmac = zvni_mac_add(zvni, macaddr); | |
3060 | if (!zmac) { | |
9df414fe QY |
3061 | zlog_debug("Failed to add MAC %s VNI %u", |
3062 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3063 | zvni->vni); | |
ee69da27 MK |
3064 | return -1; |
3065 | } | |
3066 | ||
3067 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
3068 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
3069 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 3070 | } else { |
3071 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
3072 | /* | |
3073 | * We don't change the MAC to local upon a neighbor | |
3074 | * learn event, we wait for the explicit local MAC | |
3075 | * learn. However, we have to compute its sequence | |
3076 | * number in preparation for when it actually turns | |
3077 | * local. | |
3078 | */ | |
3079 | upd_mac_seq = true; | |
3080 | } | |
ee69da27 MK |
3081 | } |
3082 | ||
a36898e7 | 3083 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
3084 | if (!zvrf) { |
3085 | if (IS_ZEBRA_DEBUG_VXLAN) | |
a36898e7 DS |
3086 | zlog_debug("\tUnable to find vrf for: %d", |
3087 | zvni->vxlan_if->vrf_id); | |
e22a946a | 3088 | return -1; |
28bd0652 | 3089 | } |
e22a946a | 3090 | |
f07e1c99 | 3091 | /* Check if the neighbor exists. */ |
ee69da27 | 3092 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 3093 | if (!n) { |
3094 | /* New neighbor - create */ | |
3095 | n = zvni_neigh_add(zvni, ip, macaddr); | |
3096 | if (!n) { | |
3097 | flog_err( | |
e914ccbe | 3098 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 3099 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
3100 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
3101 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3102 | ifp->name, ifp->ifindex, zvni->vni); | |
3103 | return -1; | |
3104 | } | |
3105 | /* Set "local" forwarding info. */ | |
3106 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3107 | n->ifindex = ifp->ifindex; | |
3108 | } else { | |
ee69da27 | 3109 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 3110 | bool mac_different; |
3111 | bool cur_is_router; | |
3112 | ||
3113 | /* Note any changes and see if of interest to BGP. */ | |
3114 | mac_different = (memcmp(n->emac.octet, | |
3115 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
3116 | cur_is_router = !!CHECK_FLAG(n->flags, | |
3117 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3118 | if (!mac_different && is_router == cur_is_router) { | |
28bd0652 DS |
3119 | if (IS_ZEBRA_DEBUG_VXLAN) |
3120 | zlog_debug( | |
3121 | "\tIgnoring entry mac is the same and is_router == cur_is_router"); | |
ee69da27 | 3122 | n->ifindex = ifp->ifindex; |
66e37987 | 3123 | return 0; |
3124 | } | |
ee69da27 | 3125 | |
66e37987 | 3126 | if (!mac_different) { |
e22a946a CS |
3127 | bool is_neigh_freezed = false; |
3128 | ||
66e37987 | 3129 | /* Only the router flag has changed. */ |
3130 | if (is_router) | |
3131 | SET_FLAG(n->flags, | |
3132 | ZEBRA_NEIGH_ROUTER_FLAG); | |
3133 | else | |
3134 | UNSET_FLAG(n->flags, | |
3135 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 3136 | |
e22a946a CS |
3137 | /* Neigh is in freeze state and freeze action |
3138 | * is enabled, do not send update to client. | |
3139 | */ | |
3140 | is_neigh_freezed = (zvrf->dup_addr_detect && | |
3141 | zvrf->dad_freeze && | |
3142 | CHECK_FLAG(n->flags, | |
3143 | ZEBRA_NEIGH_DUPLICATE)); | |
3144 | ||
3145 | if (IS_ZEBRA_NEIGH_ACTIVE(n) && | |
3146 | !is_neigh_freezed) | |
66e37987 | 3147 | return zvni_neigh_send_add_to_client( |
3148 | zvni->vni, ip, macaddr, | |
3149 | n->flags, n->loc_seq); | |
28bd0652 DS |
3150 | else { |
3151 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3152 | zlog_debug( | |
3153 | "\tNeighbor active and frozen"); | |
3154 | } | |
66e37987 | 3155 | return 0; |
3156 | } | |
3157 | ||
3158 | /* The MAC has changed, need to issue a delete | |
3159 | * first as this means a different MACIP route. | |
3160 | * Also, need to do some unlinking/relinking. | |
3161 | * We also need to update the MAC's sequence number | |
3162 | * in different situations. | |
3163 | */ | |
3164 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
3165 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2c476b72 | 3166 | &n->emac, 0, n->state); |
66e37987 | 3167 | old_zmac = zvni_mac_lookup(zvni, &n->emac); |
3168 | if (old_zmac) { | |
3169 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
3170 | ZEBRA_MAC_REMOTE) ? | |
3171 | old_zmac->rem_seq : old_zmac->loc_seq; | |
3172 | neigh_mac_change = upd_mac_seq = true; | |
3173 | listnode_delete(old_zmac->neigh_list, n); | |
3174 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 3175 | } |
ee69da27 | 3176 | |
66e37987 | 3177 | /* Update the forwarding info. */ |
3178 | n->ifindex = ifp->ifindex; | |
3179 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3180 | ||
3181 | /* Link to new MAC */ | |
3182 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 3183 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
3184 | /* | |
3185 | * Neighbor has moved from remote to local. Its | |
3186 | * MAC could have also changed as part of the move. | |
3187 | */ | |
ee69da27 MK |
3188 | if (memcmp(n->emac.octet, macaddr->octet, |
3189 | ETH_ALEN) != 0) { | |
3190 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
3191 | if (old_zmac) { | |
9df2b997 | 3192 | old_mac_seq = CHECK_FLAG( |
3193 | old_zmac->flags, | |
3194 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 3195 | old_zmac->rem_seq : |
3196 | old_zmac->loc_seq; | |
3197 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
3198 | listnode_delete(old_zmac->neigh_list, |
3199 | n); | |
fe697c6b | 3200 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
3201 | } |
3202 | ||
3203 | /* Link to new MAC */ | |
3204 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
3205 | listnode_add_sort(zmac->neigh_list, n); | |
3206 | } | |
e22a946a CS |
3207 | /* Based on Mobility event Scenario-B from the |
3208 | * draft, neigh's previous state was remote treat this | |
3209 | * event for DAD. | |
3210 | */ | |
3211 | neigh_was_remote = true; | |
3212 | vtep_ip = n->r_vtep_ip; | |
ee69da27 MK |
3213 | /* Mark appropriately */ |
3214 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
975a328e | 3215 | n->r_vtep_ip.s_addr = INADDR_ANY; |
ee69da27 MK |
3216 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); |
3217 | n->ifindex = ifp->ifindex; | |
3218 | } | |
f07e1c99 | 3219 | } |
3220 | ||
3221 | /* If MAC was previously remote, or the neighbor had a different | |
3222 | * MAC earlier, recompute the sequence number. | |
3223 | */ | |
3224 | if (upd_mac_seq) { | |
3225 | uint32_t seq1, seq2; | |
3226 | ||
3227 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
3228 | zmac->rem_seq + 1 : zmac->loc_seq; | |
3229 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
3230 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
3231 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
3232 | } |
3233 | ||
e22a946a | 3234 | /* Mark Router flag (R-bit) */ |
a37f4598 | 3235 | if (is_router) |
54c17425 CS |
3236 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
3237 | else | |
3238 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
3239 | ||
e22a946a CS |
3240 | /* Check old and/or new MAC detected as duplicate mark |
3241 | * the neigh as duplicate | |
3242 | */ | |
3243 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_zmac, zmac, n)) { | |
3244 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
3245 | "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC", | |
3246 | zvni->vni, | |
3247 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3248 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
3249 | } | |
3250 | ||
7510e459 CS |
3251 | /* For IP Duplicate Address Detection (DAD) is trigger, |
3252 | * when the event is extended mobility based on scenario-B | |
3253 | * from the draft, IP/Neigh's MAC binding changed and | |
3254 | * neigh's previous state was remote. | |
e22a946a | 3255 | */ |
7510e459 CS |
3256 | if (neigh_mac_change && neigh_was_remote) |
3257 | do_dad = true; | |
e22a946a | 3258 | |
7510e459 CS |
3259 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, vtep_ip, do_dad, |
3260 | &neigh_on_hold, true); | |
c80a972c | 3261 | |
ee69da27 | 3262 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 3263 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
3264 | */ |
3265 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 3266 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 3267 | n->loc_seq = 0; |
3268 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
3269 | return 0; |
3270 | } | |
3271 | ||
f07e1c99 | 3272 | /* If the MAC's sequence number has changed, inform the MAC and all |
3273 | * neighbors associated with the MAC to BGP, else just inform this | |
3274 | * neighbor. | |
3275 | */ | |
3276 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 3277 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 3278 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
3279 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3280 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
3281 | zmac->loc_seq = mac_new_seq; | |
3282 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
3283 | zmac->flags, zmac->loc_seq)) | |
3284 | return -1; | |
3285 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
3286 | return 0; |
3287 | } | |
3288 | ||
f07e1c99 | 3289 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 3290 | |
c34e362b CS |
3291 | if (!neigh_on_hold) { |
3292 | ZEBRA_NEIGH_SET_ACTIVE(n); | |
3293 | ||
e22a946a | 3294 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
f07e1c99 | 3295 | n->flags, n->loc_seq); |
c34e362b | 3296 | } else { |
28bd0652 DS |
3297 | if (IS_ZEBRA_DEBUG_VXLAN) |
3298 | zlog_debug("\tNeighbor on hold not sending"); | |
3299 | } | |
e22a946a | 3300 | return 0; |
ee69da27 MK |
3301 | } |
3302 | ||
3303 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
3304 | struct interface *ifp, | |
3305 | struct ipaddr *ip, | |
3306 | struct ethaddr *macaddr, | |
3307 | uint16_t state) | |
3308 | { | |
3309 | char buf[ETHER_ADDR_STRLEN]; | |
3310 | char buf2[INET6_ADDRSTRLEN]; | |
3311 | zebra_neigh_t *n = NULL; | |
3312 | zebra_mac_t *zmac = NULL; | |
3313 | ||
3314 | /* If the neighbor is unknown, there is no further action. */ | |
3315 | n = zvni_neigh_lookup(zvni, ip); | |
3316 | if (!n) | |
3317 | return 0; | |
3318 | ||
3319 | /* If a remote entry, see if it needs to be refreshed */ | |
3320 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 3321 | #ifdef GNU_LINUX |
ee69da27 MK |
3322 | if (state & NUD_STALE) |
3323 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 3324 | #endif |
ee69da27 MK |
3325 | } else { |
3326 | /* We got a "remote" neighbor notification for an entry | |
3327 | * we think is local. This can happen in a multihoming | |
3328 | * scenario - but only if the MAC is already "remote". | |
3329 | * Just mark our entry as "remote". | |
3330 | */ | |
3331 | zmac = zvni_mac_lookup(zvni, macaddr); | |
3332 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 3333 | zlog_debug( |
43e52561 QY |
3334 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
3335 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
3336 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
3337 | zvni->vni); | |
ee69da27 MK |
3338 | return -1; |
3339 | } | |
3340 | ||
3341 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
3342 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4fd5ea4b | 3343 | ZEBRA_NEIGH_SET_ACTIVE(n); |
ee69da27 MK |
3344 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; |
3345 | } | |
3346 | ||
3347 | return 0; | |
3348 | } | |
3349 | ||
2232a77c | 3350 | /* |
3351 | * Make hash key for MAC. | |
3352 | */ | |
d8b87afe | 3353 | static unsigned int mac_hash_keymake(const void *p) |
2232a77c | 3354 | { |
d8b87afe | 3355 | const zebra_mac_t *pmac = p; |
25331def DS |
3356 | const void *pnt = (void *)pmac->macaddr.octet; |
3357 | ||
ff8b7eb8 | 3358 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 3359 | } |
13d60d35 | 3360 | |
2232a77c | 3361 | /* |
3362 | * Compare two MAC addresses. | |
3363 | */ | |
74df8d6d | 3364 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 3365 | { |
d62a17ae | 3366 | const zebra_mac_t *pmac1 = p1; |
3367 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 3368 | |
d62a17ae | 3369 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 3370 | return true; |
2232a77c | 3371 | |
d62a17ae | 3372 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 3373 | return false; |
2232a77c | 3374 | |
996c9314 | 3375 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 3376 | == 0); |
2232a77c | 3377 | } |
3378 | ||
3379 | /* | |
3380 | * Callback to allocate MAC hash entry. | |
3381 | */ | |
d62a17ae | 3382 | static void *zvni_mac_alloc(void *p) |
2232a77c | 3383 | { |
d62a17ae | 3384 | const zebra_mac_t *tmp_mac = p; |
3385 | zebra_mac_t *mac; | |
2232a77c | 3386 | |
d62a17ae | 3387 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3388 | *mac = *tmp_mac; | |
2232a77c | 3389 | |
d62a17ae | 3390 | return ((void *)mac); |
2232a77c | 3391 | } |
3392 | ||
3393 | /* | |
3394 | * Add MAC entry. | |
3395 | */ | |
d62a17ae | 3396 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 3397 | { |
d62a17ae | 3398 | zebra_mac_t tmp_mac; |
3399 | zebra_mac_t *mac = NULL; | |
2232a77c | 3400 | |
d62a17ae | 3401 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 3402 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 3403 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
3404 | assert(mac); | |
2232a77c | 3405 | |
55328d8a CS |
3406 | mac->zvni = zvni; |
3407 | mac->dad_mac_auto_recovery_timer = NULL; | |
3408 | ||
b6938a74 | 3409 | mac->neigh_list = list_new(); |
27fa3398 | 3410 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 3411 | |
d62a17ae | 3412 | return mac; |
2232a77c | 3413 | } |
3414 | ||
3415 | /* | |
3416 | * Delete MAC entry. | |
3417 | */ | |
d62a17ae | 3418 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3419 | { |
d62a17ae | 3420 | zebra_mac_t *tmp_mac; |
2232a77c | 3421 | |
55328d8a CS |
3422 | /* Cancel auto recovery */ |
3423 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
3424 | ||
6a154c88 | 3425 | list_delete(&mac->neigh_list); |
b6938a74 | 3426 | |
d62a17ae | 3427 | /* Free the VNI hash entry and allocated memory. */ |
3428 | tmp_mac = hash_release(zvni->mac_table, mac); | |
0a22ddfb | 3429 | XFREE(MTYPE_MAC, tmp_mac); |
2232a77c | 3430 | |
d62a17ae | 3431 | return 0; |
2232a77c | 3432 | } |
3433 | ||
6041b686 CS |
3434 | static bool zvni_check_mac_del_from_db(struct mac_walk_ctx *wctx, |
3435 | zebra_mac_t *mac) | |
3436 | { | |
3437 | if ((wctx->flags & DEL_LOCAL_MAC) && | |
3438 | (mac->flags & ZEBRA_MAC_LOCAL)) | |
3439 | return true; | |
3440 | else if ((wctx->flags & DEL_REMOTE_MAC) && | |
3441 | (mac->flags & ZEBRA_MAC_REMOTE)) | |
3442 | return true; | |
3443 | else if ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) && | |
3444 | (mac->flags & ZEBRA_MAC_REMOTE) && | |
3445 | IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &wctx->r_vtep_ip)) | |
3446 | return true; | |
3447 | else if ((wctx->flags & DEL_LOCAL_MAC) && | |
3448 | (mac->flags & ZEBRA_MAC_AUTO) && | |
3449 | !listcount(mac->neigh_list)) { | |
3450 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
3451 | char buf[ETHER_ADDR_STRLEN]; | |
3452 | ||
3453 | zlog_debug("%s: Del MAC %s flags 0x%x", | |
3454 | __PRETTY_FUNCTION__, | |
3455 | prefix_mac2str(&mac->macaddr, | |
3456 | buf, sizeof(buf)), | |
3457 | mac->flags); | |
3458 | } | |
3459 | wctx->uninstall = 0; | |
3460 | ||
3461 | return true; | |
3462 | } | |
3463 | ||
3464 | return false; | |
3465 | } | |
3466 | ||
2232a77c | 3467 | /* |
3468 | * Free MAC hash entry (callback) | |
3469 | */ | |
e3b78da8 | 3470 | static void zvni_mac_del_hash_entry(struct hash_bucket *bucket, void *arg) |
2232a77c | 3471 | { |
d62a17ae | 3472 | struct mac_walk_ctx *wctx = arg; |
e3b78da8 | 3473 | zebra_mac_t *mac = bucket->data; |
2232a77c | 3474 | |
6041b686 | 3475 | if (zvni_check_mac_del_from_db(wctx, mac)) { |
d62a17ae | 3476 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { |
996c9314 | 3477 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
e98e4b88 | 3478 | &mac->macaddr); |
d62a17ae | 3479 | } |
d62a17ae | 3480 | if (wctx->uninstall) |
d63c1b18 | 3481 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 3482 | |
b1599bb6 | 3483 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 3484 | } |
2232a77c | 3485 | |
b1599bb6 | 3486 | return; |
2232a77c | 3487 | } |
3488 | ||
3489 | /* | |
3490 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
3491 | */ | |
d62a17ae | 3492 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
3493 | struct in_addr *r_vtep_ip) | |
2232a77c | 3494 | { |
d62a17ae | 3495 | struct mac_walk_ctx wctx; |
2232a77c | 3496 | |
d62a17ae | 3497 | if (!zvni->mac_table) |
3498 | return; | |
2232a77c | 3499 | |
d62a17ae | 3500 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3501 | wctx.zvni = zvni; | |
3502 | wctx.uninstall = uninstall; | |
3503 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
3504 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 3505 | |
b1599bb6 | 3506 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3507 | } |
3508 | ||
3509 | /* | |
3510 | * Delete all MAC entries for this VNI. | |
3511 | */ | |
996c9314 | 3512 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 3513 | uint32_t flags) |
2232a77c | 3514 | { |
d62a17ae | 3515 | struct mac_walk_ctx wctx; |
2232a77c | 3516 | |
d62a17ae | 3517 | if (!zvni->mac_table) |
3518 | return; | |
2232a77c | 3519 | |
d62a17ae | 3520 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
3521 | wctx.zvni = zvni; | |
d62a17ae | 3522 | wctx.uninstall = uninstall; |
3523 | wctx.upd_client = upd_client; | |
3524 | wctx.flags = flags; | |
2232a77c | 3525 | |
b1599bb6 | 3526 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 3527 | } |
3528 | ||
3529 | /* | |
3530 | * Look up MAC hash entry. | |
3531 | */ | |
d62a17ae | 3532 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 3533 | { |
d62a17ae | 3534 | zebra_mac_t tmp; |
3535 | zebra_mac_t *pmac; | |
2232a77c | 3536 | |
d62a17ae | 3537 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 3538 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 3539 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 3540 | |
d62a17ae | 3541 | return pmac; |
2232a77c | 3542 | } |
3543 | ||
3544 | /* | |
3545 | * Inform BGP about local MAC addition. | |
3546 | */ | |
996c9314 | 3547 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 3548 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 3549 | { |
d7c0a89a | 3550 | uint8_t flags = 0; |
ead40654 MK |
3551 | |
3552 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
3553 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
3554 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
3555 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
3556 | ||
2853fed6 | 3557 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
2c476b72 | 3558 | seq, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_ADD); |
2232a77c | 3559 | } |
3560 | ||
3561 | /* | |
3562 | * Inform BGP about local MAC deletion. | |
3563 | */ | |
e98e4b88 | 3564 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr) |
2232a77c | 3565 | { |
e98e4b88 | 3566 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, 0 /* flags */, |
2c476b72 | 3567 | 0 /* seq */, ZEBRA_NEIGH_ACTIVE, ZEBRA_MACIP_DEL); |
2232a77c | 3568 | } |
3569 | ||
3570 | /* | |
3571 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 3572 | * notifications, to see if they are of interest. |
2232a77c | 3573 | */ |
d62a17ae | 3574 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
3575 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 3576 | { |
2853fed6 | 3577 | struct zebra_ns *zns; |
3578 | struct route_node *rn; | |
3579 | struct interface *tmp_if = NULL; | |
d62a17ae | 3580 | struct zebra_if *zif; |
3581 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3582 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3583 | uint8_t bridge_vlan_aware; |
d62a17ae | 3584 | zebra_vni_t *zvni; |
2853fed6 | 3585 | int found = 0; |
2232a77c | 3586 | |
d62a17ae | 3587 | /* Determine if bridge is VLAN-aware or not */ |
3588 | zif = br_if->info; | |
3589 | assert(zif); | |
3590 | br = &zif->l2info.br; | |
3591 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 3592 | |
d62a17ae | 3593 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
3594 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3595 | zns = zebra_ns_lookup(NS_DEFAULT); |
3596 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3597 | tmp_if = (struct interface *)rn->info; | |
3598 | if (!tmp_if) | |
3599 | continue; | |
d62a17ae | 3600 | zif = tmp_if->info; |
3601 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3602 | continue; | |
3603 | if (!if_is_operative(tmp_if)) | |
3604 | continue; | |
3605 | vxl = &zif->l2info.vxl; | |
2232a77c | 3606 | |
d62a17ae | 3607 | if (zif->brslave_info.br_if != br_if) |
3608 | continue; | |
2232a77c | 3609 | |
2853fed6 | 3610 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3611 | found = 1; | |
d62a17ae | 3612 | break; |
2853fed6 | 3613 | } |
d62a17ae | 3614 | } |
2232a77c | 3615 | |
2853fed6 | 3616 | if (!found) |
d62a17ae | 3617 | return NULL; |
2232a77c | 3618 | |
2853fed6 | 3619 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3620 | return zvni; |
2232a77c | 3621 | } |
3622 | ||
3623 | /* | |
3624 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3625 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 3626 | */ |
b7cfce93 MK |
3627 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
3628 | struct interface *br_if) | |
d62a17ae | 3629 | { |
2853fed6 | 3630 | struct zebra_ns *zns; |
3631 | struct route_node *rn; | |
3632 | struct interface *tmp_if = NULL; | |
d62a17ae | 3633 | struct zebra_if *zif; |
3634 | struct zebra_l2info_bridge *br; | |
2853fed6 | 3635 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 3636 | uint8_t bridge_vlan_aware; |
d62a17ae | 3637 | vlanid_t vid = 0; |
3638 | zebra_vni_t *zvni; | |
2853fed6 | 3639 | int found = 0; |
d62a17ae | 3640 | |
71349e03 MK |
3641 | if (!br_if) |
3642 | return NULL; | |
3643 | ||
d62a17ae | 3644 | /* Make sure the linked interface is a bridge. */ |
3645 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3646 | return NULL; | |
3647 | ||
d62a17ae | 3648 | /* Determine if bridge is VLAN-aware or not */ |
3649 | zif = br_if->info; | |
3650 | assert(zif); | |
3651 | br = &zif->l2info.br; | |
3652 | bridge_vlan_aware = br->vlan_aware; | |
3653 | if (bridge_vlan_aware) { | |
3654 | struct zebra_l2info_vlan *vl; | |
3655 | ||
3656 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3657 | return NULL; | |
3658 | ||
3659 | zif = ifp->info; | |
3660 | assert(zif); | |
3661 | vl = &zif->l2info.vl; | |
3662 | vid = vl->vid; | |
3663 | } | |
3664 | ||
3665 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3666 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3667 | zns = zebra_ns_lookup(NS_DEFAULT); |
3668 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3669 | tmp_if = (struct interface *)rn->info; | |
3670 | if (!tmp_if) | |
3671 | continue; | |
d62a17ae | 3672 | zif = tmp_if->info; |
3673 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3674 | continue; | |
3675 | if (!if_is_operative(tmp_if)) | |
3676 | continue; | |
3677 | vxl = &zif->l2info.vxl; | |
3678 | ||
3679 | if (zif->brslave_info.br_if != br_if) | |
3680 | continue; | |
3681 | ||
2853fed6 | 3682 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
3683 | found = 1; | |
d62a17ae | 3684 | break; |
2853fed6 | 3685 | } |
d62a17ae | 3686 | } |
3687 | ||
2853fed6 | 3688 | if (!found) |
d62a17ae | 3689 | return NULL; |
3690 | ||
2853fed6 | 3691 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 3692 | return zvni; |
2232a77c | 3693 | } |
3694 | ||
3695 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
3696 | * of two cases: | |
3697 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
3698 | * linked to the bridge | |
06d9cde5 | 3699 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge interface |
2232a77c | 3700 | * itself |
3701 | */ | |
2853fed6 | 3702 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 3703 | { |
2853fed6 | 3704 | struct zebra_ns *zns; |
3705 | struct route_node *rn; | |
3706 | struct interface *tmp_if = NULL; | |
d62a17ae | 3707 | struct zebra_if *zif; |
3708 | struct zebra_l2info_bridge *br; | |
3709 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 3710 | uint8_t bridge_vlan_aware; |
2853fed6 | 3711 | int found = 0; |
d62a17ae | 3712 | |
b5ebdc9b | 3713 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
3714 | if (!br_if) | |
3715 | return NULL; | |
3716 | ||
d62a17ae | 3717 | /* Determine if bridge is VLAN-aware or not */ |
3718 | zif = br_if->info; | |
3719 | assert(zif); | |
3720 | br = &zif->l2info.br; | |
3721 | bridge_vlan_aware = br->vlan_aware; | |
3722 | ||
3723 | /* Check oper status of the SVI. */ | |
3724 | if (!bridge_vlan_aware) | |
3725 | return if_is_operative(br_if) ? br_if : NULL; | |
3726 | ||
3727 | /* Identify corresponding VLAN interface. */ | |
3728 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 3729 | zns = zebra_ns_lookup(NS_DEFAULT); |
3730 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3731 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 3732 | /* Check oper status of the SVI. */ |
2853fed6 | 3733 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 3734 | continue; |
3735 | zif = tmp_if->info; | |
3736 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
3737 | || zif->link != br_if) | |
3738 | continue; | |
3739 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
3740 | ||
2853fed6 | 3741 | if (vl->vid == vid) { |
3742 | found = 1; | |
d62a17ae | 3743 | break; |
2853fed6 | 3744 | } |
d62a17ae | 3745 | } |
3746 | ||
2853fed6 | 3747 | return found ? tmp_if : NULL; |
2232a77c | 3748 | } |
3749 | ||
06d9cde5 CS |
3750 | /* Map to MAC-VLAN interface corresponding to specified SVI interface. |
3751 | */ | |
3752 | static struct interface *zvni_map_to_macvlan(struct interface *br_if, | |
3753 | struct interface *svi_if) | |
3754 | { | |
3755 | struct zebra_ns *zns; | |
3756 | struct route_node *rn; | |
3757 | struct interface *tmp_if = NULL; | |
3758 | struct zebra_if *zif; | |
3759 | int found = 0; | |
3760 | ||
3761 | /* Defensive check, caller expected to invoke only with valid bridge. */ | |
3762 | if (!br_if) | |
3763 | return NULL; | |
3764 | ||
3765 | if (!svi_if) { | |
3766 | zlog_debug("svi_if is not passed."); | |
3767 | return NULL; | |
3768 | } | |
3769 | ||
3770 | /* Determine if bridge is VLAN-aware or not */ | |
3771 | zif = br_if->info; | |
3772 | assert(zif); | |
3773 | ||
3774 | /* Identify corresponding VLAN interface. */ | |
3775 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3776 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3777 | tmp_if = (struct interface *)rn->info; | |
3778 | /* Check oper status of the SVI. */ | |
3779 | if (!tmp_if || !if_is_operative(tmp_if)) | |
3780 | continue; | |
3781 | zif = tmp_if->info; | |
3782 | ||
3783 | if (!zif || zif->zif_type != ZEBRA_IF_MACVLAN) | |
3784 | continue; | |
3785 | ||
3786 | if (zif->link == svi_if) { | |
3787 | found = 1; | |
3788 | break; | |
3789 | } | |
3790 | } | |
3791 | ||
3792 | return found ? tmp_if : NULL; | |
3793 | } | |
3794 | ||
3795 | ||
2232a77c | 3796 | /* |
036d93c0 | 3797 | * Install remote MAC into the forwarding plane. |
2232a77c | 3798 | */ |
d62a17ae | 3799 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3800 | { |
478566d6 MS |
3801 | const struct zebra_if *zif, *br_zif; |
3802 | const struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 3803 | bool sticky; |
036d93c0 | 3804 | enum zebra_dplane_result res; |
478566d6 MS |
3805 | const struct interface *br_ifp; |
3806 | vlanid_t vid; | |
2232a77c | 3807 | |
d62a17ae | 3808 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
3809 | return 0; | |
2232a77c | 3810 | |
d62a17ae | 3811 | zif = zvni->vxlan_if->info; |
3812 | if (!zif) | |
3813 | return -1; | |
478566d6 MS |
3814 | |
3815 | br_ifp = zif->brslave_info.br_if; | |
3816 | if (br_ifp == NULL) | |
3817 | return -1; | |
3818 | ||
d62a17ae | 3819 | vxl = &zif->l2info.vxl; |
2232a77c | 3820 | |
a37f4598 | 3821 | sticky = !!CHECK_FLAG(mac->flags, |
3822 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 3823 | |
478566d6 MS |
3824 | br_zif = (const struct zebra_if *)(br_ifp->info); |
3825 | ||
3826 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
3827 | vid = vxl->access_vlan; | |
3828 | else | |
3829 | vid = 0; | |
3830 | ||
3831 | res = dplane_mac_add(zvni->vxlan_if, br_ifp, vid, | |
3832 | &mac->macaddr, mac->fwd_info.r_vtep_ip, sticky); | |
036d93c0 MS |
3833 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) |
3834 | return 0; | |
3835 | else | |
3836 | return -1; | |
2232a77c | 3837 | } |
3838 | ||
3839 | /* | |
036d93c0 | 3840 | * Uninstall remote MAC from the forwarding plane. |
2232a77c | 3841 | */ |
d63c1b18 | 3842 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3843 | { |
478566d6 MS |
3844 | const struct zebra_if *zif, *br_zif; |
3845 | const struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 3846 | struct in_addr vtep_ip; |
478566d6 MS |
3847 | const struct interface *ifp, *br_ifp; |
3848 | vlanid_t vid; | |
036d93c0 | 3849 | enum zebra_dplane_result res; |
2232a77c | 3850 | |
d63c1b18 | 3851 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 3852 | return 0; |
2232a77c | 3853 | |
d62a17ae | 3854 | if (!zvni->vxlan_if) { |
e0e140a7 MS |
3855 | if (IS_ZEBRA_DEBUG_VXLAN) |
3856 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", | |
3857 | zvni->vni, zvni); | |
d62a17ae | 3858 | return -1; |
3859 | } | |
2232a77c | 3860 | |
d62a17ae | 3861 | zif = zvni->vxlan_if->info; |
3862 | if (!zif) | |
3863 | return -1; | |
478566d6 MS |
3864 | |
3865 | br_ifp = zif->brslave_info.br_if; | |
3866 | if (br_ifp == NULL) | |
3867 | return -1; | |
3868 | ||
d62a17ae | 3869 | vxl = &zif->l2info.vxl; |
2232a77c | 3870 | |
478566d6 MS |
3871 | br_zif = (const struct zebra_if *)br_ifp->info; |
3872 | ||
3873 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
3874 | vid = vxl->access_vlan; | |
3875 | else | |
3876 | vid = 0; | |
3877 | ||
d63c1b18 | 3878 | ifp = zvni->vxlan_if; |
3879 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 3880 | |
478566d6 | 3881 | res = dplane_mac_del(ifp, br_ifp, vid, &mac->macaddr, vtep_ip); |
036d93c0 MS |
3882 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) |
3883 | return 0; | |
3884 | else | |
3885 | return -1; | |
2232a77c | 3886 | } |
3887 | ||
3888 | /* | |
3889 | * Install MAC hash entry - called upon access VLAN change. | |
3890 | */ | |
e3b78da8 | 3891 | static void zvni_install_mac_hash(struct hash_bucket *bucket, void *ctxt) |
2232a77c | 3892 | { |
d62a17ae | 3893 | zebra_mac_t *mac; |
3894 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 3895 | |
e3b78da8 | 3896 | mac = (zebra_mac_t *)bucket->data; |
2232a77c | 3897 | |
d62a17ae | 3898 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
3899 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 3900 | } |
3901 | ||
fe697c6b | 3902 | /* |
3903 | * Count of remote neighbors referencing this MAC. | |
3904 | */ | |
3905 | static int remote_neigh_count(zebra_mac_t *zmac) | |
3906 | { | |
3907 | zebra_neigh_t *n = NULL; | |
3908 | struct listnode *node = NULL; | |
3909 | int count = 0; | |
3910 | ||
3911 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
3912 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
3913 | count++; | |
3914 | } | |
3915 | ||
3916 | return count; | |
3917 | } | |
3918 | ||
2232a77c | 3919 | /* |
3920 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
3921 | * appropriate. | |
3922 | */ | |
fe697c6b | 3923 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3924 | { |
fe697c6b | 3925 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 3926 | return; |
2232a77c | 3927 | |
fe697c6b | 3928 | /* If all remote neighbors referencing a remote MAC go away, |
3929 | * we need to uninstall the MAC. | |
3930 | */ | |
3931 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
3932 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 3933 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 3934 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
3935 | } | |
2232a77c | 3936 | |
fe697c6b | 3937 | /* If no neighbors, delete the MAC. */ |
3938 | if (list_isempty(mac->neigh_list)) | |
3939 | zvni_mac_del(zvni, mac); | |
2232a77c | 3940 | } |
3941 | ||
3942 | /* | |
3943 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
3944 | */ | |
996c9314 | 3945 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 3946 | { |
2853fed6 | 3947 | struct zebra_ns *zns; |
d62a17ae | 3948 | struct zebra_if *zif; |
3949 | struct interface *vlan_if; | |
3950 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 3951 | struct interface *vrr_if; |
2232a77c | 3952 | |
d62a17ae | 3953 | zif = ifp->info; |
3954 | vxl = &zif->l2info.vxl; | |
2853fed6 | 3955 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 3956 | |
d62a17ae | 3957 | if (IS_ZEBRA_DEBUG_VXLAN) |
3958 | zlog_debug( | |
2853fed6 | 3959 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
3960 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 3961 | zif->brslave_info.bridge_ifindex); |
2232a77c | 3962 | |
2853fed6 | 3963 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
3964 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
3965 | if (vlan_if) { |
3966 | ||
ead40654 MK |
3967 | /* Add SVI MAC-IP */ |
3968 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 3969 | |
ead40654 MK |
3970 | /* Add VRR MAC-IP - if any*/ |
3971 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
3972 | if (vrr_if) | |
3973 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 3974 | |
2853fed6 | 3975 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 3976 | } |
2232a77c | 3977 | } |
3978 | ||
3979 | /* | |
3980 | * Hash function for VNI. | |
3981 | */ | |
d8b87afe | 3982 | static unsigned int vni_hash_keymake(const void *p) |
2232a77c | 3983 | { |
d62a17ae | 3984 | const zebra_vni_t *zvni = p; |
2232a77c | 3985 | |
d62a17ae | 3986 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 3987 | } |
3988 | ||
3989 | /* | |
3990 | * Compare 2 VNI hash entries. | |
3991 | */ | |
74df8d6d | 3992 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 3993 | { |
d62a17ae | 3994 | const zebra_vni_t *zvni1 = p1; |
3995 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 3996 | |
d62a17ae | 3997 | return (zvni1->vni == zvni2->vni); |
2232a77c | 3998 | } |
3999 | ||
27fa3398 DS |
4000 | static int vni_list_cmp(void *p1, void *p2) |
4001 | { | |
4002 | const zebra_vni_t *zvni1 = p1; | |
4003 | const zebra_vni_t *zvni2 = p2; | |
4004 | ||
4005 | if (zvni1->vni == zvni2->vni) | |
4006 | return 0; | |
4007 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
4008 | } | |
4009 | ||
2232a77c | 4010 | /* |
4011 | * Callback to allocate VNI hash entry. | |
4012 | */ | |
d62a17ae | 4013 | static void *zvni_alloc(void *p) |
2232a77c | 4014 | { |
d62a17ae | 4015 | const zebra_vni_t *tmp_vni = p; |
4016 | zebra_vni_t *zvni; | |
2232a77c | 4017 | |
d62a17ae | 4018 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
4019 | zvni->vni = tmp_vni->vni; | |
4020 | return ((void *)zvni); | |
2232a77c | 4021 | } |
4022 | ||
4023 | /* | |
4024 | * Look up VNI hash entry. | |
4025 | */ | |
2853fed6 | 4026 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 4027 | { |
2853fed6 | 4028 | struct zebra_vrf *zvrf; |
d62a17ae | 4029 | zebra_vni_t tmp_vni; |
4030 | zebra_vni_t *zvni = NULL; | |
2232a77c | 4031 | |
530db8dc | 4032 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 4033 | assert(zvrf); |
d62a17ae | 4034 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
4035 | tmp_vni.vni = vni; | |
4036 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 4037 | |
d62a17ae | 4038 | return zvni; |
2232a77c | 4039 | } |
4040 | ||
4041 | /* | |
4042 | * Add VNI hash entry. | |
4043 | */ | |
2853fed6 | 4044 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 4045 | { |
2853fed6 | 4046 | struct zebra_vrf *zvrf; |
d62a17ae | 4047 | zebra_vni_t tmp_zvni; |
4048 | zebra_vni_t *zvni = NULL; | |
2232a77c | 4049 | |
530db8dc | 4050 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 4051 | assert(zvrf); |
d62a17ae | 4052 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
4053 | tmp_zvni.vni = vni; | |
4054 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
4055 | assert(zvni); | |
2232a77c | 4056 | |
d62a17ae | 4057 | /* Create hash table for MAC */ |
4058 | zvni->mac_table = | |
4059 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 4060 | |
d62a17ae | 4061 | /* Create hash table for neighbors */ |
4062 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
4063 | "Zebra VNI Neighbor Table"); | |
2232a77c | 4064 | |
d62a17ae | 4065 | return zvni; |
2232a77c | 4066 | } |
4067 | ||
4068 | /* | |
4069 | * Delete VNI hash entry. | |
4070 | */ | |
2853fed6 | 4071 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 4072 | { |
2853fed6 | 4073 | struct zebra_vrf *zvrf; |
d62a17ae | 4074 | zebra_vni_t *tmp_zvni; |
2232a77c | 4075 | |
530db8dc | 4076 | zvrf = zebra_vrf_get_evpn(); |
2853fed6 | 4077 | assert(zvrf); |
4078 | ||
d62a17ae | 4079 | zvni->vxlan_if = NULL; |
2232a77c | 4080 | |
abfa0a96 AK |
4081 | /* Remove references to the BUM mcast grp */ |
4082 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, zvni->mcast_grp); | |
4083 | ||
d62a17ae | 4084 | /* Free the neighbor hash table. */ |
4085 | hash_free(zvni->neigh_table); | |
4086 | zvni->neigh_table = NULL; | |
2232a77c | 4087 | |
d62a17ae | 4088 | /* Free the MAC hash table. */ |
4089 | hash_free(zvni->mac_table); | |
4090 | zvni->mac_table = NULL; | |
2232a77c | 4091 | |
d62a17ae | 4092 | /* Free the VNI hash entry and allocated memory. */ |
4093 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
0a22ddfb | 4094 | XFREE(MTYPE_ZVNI, tmp_zvni); |
2232a77c | 4095 | |
d62a17ae | 4096 | return 0; |
2232a77c | 4097 | } |
4098 | ||
4099 | /* | |
4100 | * Inform BGP about local VNI addition. | |
4101 | */ | |
2853fed6 | 4102 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 4103 | { |
d62a17ae | 4104 | struct zserv *client; |
4105 | struct stream *s; | |
2232a77c | 4106 | |
21ccc0cf | 4107 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 4108 | /* BGP may not be running. */ |
4109 | if (!client) | |
4110 | return 0; | |
2232a77c | 4111 | |
1002497a | 4112 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 4113 | |
43779a11 | 4114 | zclient_create_header(s, ZEBRA_VNI_ADD, zebra_vrf_get_evpn_id()); |
d62a17ae | 4115 | stream_putl(s, zvni->vni); |
4116 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 4117 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
39c46ff1 | 4118 | stream_put_in_addr(s, &zvni->mcast_grp); |
2232a77c | 4119 | |
d62a17ae | 4120 | /* Write packet size. */ |
4121 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 4122 | |
d62a17ae | 4123 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
4124 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
4125 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 4126 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 4127 | zebra_route_string(client->proto)); |
2232a77c | 4128 | |
d62a17ae | 4129 | client->vniadd_cnt++; |
21ccc0cf | 4130 | return zserv_send_message(client, s); |
2232a77c | 4131 | } |
4132 | ||
4133 | /* | |
4134 | * Inform BGP about local VNI deletion. | |
4135 | */ | |
2853fed6 | 4136 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 4137 | { |
d62a17ae | 4138 | struct zserv *client; |
4139 | struct stream *s; | |
2232a77c | 4140 | |
21ccc0cf | 4141 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 4142 | /* BGP may not be running. */ |
4143 | if (!client) | |
4144 | return 0; | |
2232a77c | 4145 | |
1002497a | 4146 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 4147 | stream_reset(s); |
2232a77c | 4148 | |
43779a11 | 4149 | zclient_create_header(s, ZEBRA_VNI_DEL, zebra_vrf_get_evpn_id()); |
d62a17ae | 4150 | stream_putl(s, vni); |
2232a77c | 4151 | |
d62a17ae | 4152 | /* Write packet size. */ |
4153 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 4154 | |
d62a17ae | 4155 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 4156 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 4157 | zebra_route_string(client->proto)); |
2232a77c | 4158 | |
d62a17ae | 4159 | client->vnidel_cnt++; |
21ccc0cf | 4160 | return zserv_send_message(client, s); |
2232a77c | 4161 | } |
4162 | ||
4163 | /* | |
4164 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
4165 | * is called when EVPN (advertise-all-vni) is enabled. | |
4166 | */ | |
4d762f26 | 4167 | static void zvni_build_hash_table(void) |
2232a77c | 4168 | { |
2853fed6 | 4169 | struct zebra_ns *zns; |
4170 | struct route_node *rn; | |
d62a17ae | 4171 | struct interface *ifp; |
2232a77c | 4172 | |
d62a17ae | 4173 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 4174 | zns = zebra_ns_lookup(NS_DEFAULT); |
4175 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 4176 | vni_t vni; |
643215ce | 4177 | zebra_vni_t *zvni = NULL; |
4178 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 4179 | struct zebra_if *zif; |
4180 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 4181 | |
2853fed6 | 4182 | ifp = (struct interface *)rn->info; |
4183 | if (!ifp) | |
4184 | continue; | |
d62a17ae | 4185 | zif = ifp->info; |
4186 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4187 | continue; | |
2232a77c | 4188 | |
b7cfce93 | 4189 | vxl = &zif->l2info.vxl; |
d62a17ae | 4190 | vni = vxl->vni; |
2232a77c | 4191 | |
643215ce | 4192 | /* L3-VNI and L2-VNI are handled seperately */ |
4193 | zl3vni = zl3vni_lookup(vni); | |
4194 | if (zl3vni) { | |
2232a77c | 4195 | |
b7cfce93 | 4196 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
4197 | zlog_debug( |
4198 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
4199 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 4200 | |
b7cfce93 | 4201 | /* associate with vxlan_if */ |
b67a60d2 | 4202 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 4203 | zl3vni->vxlan_if = ifp; |
2232a77c | 4204 | |
523cafc4 | 4205 | /* |
4206 | * we need to associate with SVI. | |
b7cfce93 | 4207 | * we can associate with svi-if only after association |
523cafc4 | 4208 | * with vxlan-intf is complete |
4209 | */ | |
b7cfce93 MK |
4210 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
4211 | ||
06d9cde5 CS |
4212 | /* Associate l3vni to mac-vlan and extract VRR MAC */ |
4213 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); | |
4214 | ||
4215 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4216 | zlog_debug("create l3vni %u svi_if %s mac_vlan_if %s", | |
4217 | vni, zl3vni->svi_if ? zl3vni->svi_if->name | |
4218 | : "NIL", | |
4219 | zl3vni->mac_vlan_if ? | |
4220 | zl3vni->mac_vlan_if->name : "NIL"); | |
4221 | ||
b7cfce93 MK |
4222 | if (is_l3vni_oper_up(zl3vni)) |
4223 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
4224 | ||
4225 | } else { | |
b7cfce93 MK |
4226 | struct interface *vlan_if = NULL; |
4227 | ||
4228 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4229 | zlog_debug( | |
4230 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
4231 | ifp->name, ifp->ifindex, vni, | |
4232 | inet_ntoa(vxl->vtep_ip)); | |
4233 | ||
27627f9a | 4234 | /* VNI hash entry is expected to exist, if the BGP process is killed */ |
b7cfce93 MK |
4235 | zvni = zvni_lookup(vni); |
4236 | if (zvni) { | |
9df414fe | 4237 | zlog_debug( |
b7cfce93 MK |
4238 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
4239 | ifp->name, ifp->ifindex, vni); | |
b7cfce93 | 4240 | |
27627f9a KA |
4241 | /* |
4242 | * Inform BGP if intf is up and mapped to | |
4243 | * bridge. | |
4244 | */ | |
4245 | if (if_is_operative(ifp) && | |
4246 | zif->brslave_info.br_if) | |
4247 | zvni_send_add_to_client(zvni); | |
b7cfce93 | 4248 | |
27627f9a KA |
4249 | /* Send Local MAC-entries to client */ |
4250 | zvni_send_mac_to_client(zvni); | |
4251 | ||
4252 | /* Send Loval Neighbor entries to client */ | |
4253 | zvni_send_neigh_to_client(zvni); | |
4254 | } else { | |
4255 | zvni = zvni_add(vni); | |
4256 | if (!zvni) { | |
4257 | zlog_debug( | |
4258 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", | |
4259 | ifp->name, ifp->ifindex, vni); | |
4260 | return; | |
4261 | } | |
b7cfce93 | 4262 | |
27627f9a KA |
4263 | if (zvni->local_vtep_ip.s_addr != |
4264 | vxl->vtep_ip.s_addr || | |
4265 | zvni->mcast_grp.s_addr != | |
4266 | vxl->mcast_grp.s_addr) { | |
4267 | zebra_vxlan_sg_deref( | |
4268 | zvni->local_vtep_ip, | |
4269 | zvni->mcast_grp); | |
4270 | zebra_vxlan_sg_ref(vxl->vtep_ip, | |
4271 | vxl->mcast_grp); | |
4272 | zvni->local_vtep_ip = vxl->vtep_ip; | |
4273 | zvni->mcast_grp = vxl->mcast_grp; | |
4274 | } | |
4275 | zvni->vxlan_if = ifp; | |
4276 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
4277 | zif->brslave_info.br_if); | |
4278 | if (vlan_if) { | |
4279 | zvni->vrf_id = vlan_if->vrf_id; | |
4280 | zl3vni = zl3vni_from_vrf( | |
4281 | vlan_if->vrf_id); | |
4282 | if (zl3vni) | |
4283 | listnode_add_sort( | |
4284 | zl3vni->l2vnis, zvni); | |
4285 | } | |
b7cfce93 | 4286 | |
27627f9a KA |
4287 | /* |
4288 | * Inform BGP if intf is up and mapped to | |
4289 | * bridge. | |
4290 | */ | |
4291 | if (if_is_operative(ifp) && | |
4292 | zif->brslave_info.br_if) | |
4293 | zvni_send_add_to_client(zvni); | |
4294 | } | |
b7cfce93 | 4295 | } |
d62a17ae | 4296 | } |
2232a77c | 4297 | } |
4298 | ||
4299 | /* | |
4300 | * See if remote VTEP matches with prefix. | |
4301 | */ | |
d62a17ae | 4302 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 4303 | { |
d62a17ae | 4304 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 4305 | } |
4306 | ||
4307 | /* | |
4308 | * Locate remote VTEP in VNI hash table. | |
4309 | */ | |
d62a17ae | 4310 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4311 | { |
d62a17ae | 4312 | zebra_vtep_t *zvtep; |
2232a77c | 4313 | |
d62a17ae | 4314 | if (!zvni) |
4315 | return NULL; | |
2232a77c | 4316 | |
d62a17ae | 4317 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
4318 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
4319 | break; | |
4320 | } | |
2232a77c | 4321 | |
d62a17ae | 4322 | return zvtep; |
2232a77c | 4323 | } |
4324 | ||
4325 | /* | |
4326 | * Add remote VTEP to VNI hash table. | |
4327 | */ | |
9718c54e AK |
4328 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip, |
4329 | int flood_control) | |
4330 | ||
2232a77c | 4331 | { |
d62a17ae | 4332 | zebra_vtep_t *zvtep; |
2232a77c | 4333 | |
d62a17ae | 4334 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 4335 | |
d62a17ae | 4336 | zvtep->vtep_ip = *vtep_ip; |
9718c54e | 4337 | zvtep->flood_control = flood_control; |
2232a77c | 4338 | |
d62a17ae | 4339 | if (zvni->vteps) |
4340 | zvni->vteps->prev = zvtep; | |
4341 | zvtep->next = zvni->vteps; | |
4342 | zvni->vteps = zvtep; | |
2232a77c | 4343 | |
d62a17ae | 4344 | return zvtep; |
2232a77c | 4345 | } |
4346 | ||
4347 | /* | |
4348 | * Remove remote VTEP from VNI hash table. | |
4349 | */ | |
d62a17ae | 4350 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 4351 | { |
d62a17ae | 4352 | if (zvtep->next) |
4353 | zvtep->next->prev = zvtep->prev; | |
4354 | if (zvtep->prev) | |
4355 | zvtep->prev->next = zvtep->next; | |
4356 | else | |
4357 | zvni->vteps = zvtep->next; | |
2232a77c | 4358 | |
d62a17ae | 4359 | zvtep->prev = zvtep->next = NULL; |
4360 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 4361 | |
d62a17ae | 4362 | return 0; |
2232a77c | 4363 | } |
4364 | ||
4365 | /* | |
4366 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
4367 | * uninstall from kernel if asked to. | |
4368 | */ | |
d62a17ae | 4369 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 4370 | { |
d62a17ae | 4371 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 4372 | |
d62a17ae | 4373 | if (!zvni) |
4374 | return -1; | |
2232a77c | 4375 | |
d62a17ae | 4376 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
4377 | zvtep_next = zvtep->next; | |
4378 | if (uninstall) | |
4379 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4380 | zvni_vtep_del(zvni, zvtep); | |
4381 | } | |
2232a77c | 4382 | |
d62a17ae | 4383 | return 0; |
2232a77c | 4384 | } |
4385 | ||
4386 | /* | |
9718c54e AK |
4387 | * Install remote VTEP into the kernel if the remote VTEP has asked |
4388 | * for head-end-replication. | |
2232a77c | 4389 | */ |
9718c54e | 4390 | static int zvni_vtep_install(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 4391 | { |
9718c54e | 4392 | if (is_vxlan_flooding_head_end() && |
0bbd4ff4 MS |
4393 | (zvtep->flood_control == VXLAN_FLOOD_HEAD_END_REPL)) { |
4394 | if (ZEBRA_DPLANE_REQUEST_FAILURE == | |
4395 | dplane_vtep_add(zvni->vxlan_if, | |
4396 | &zvtep->vtep_ip, zvni->vni)) | |
4397 | return -1; | |
4398 | } | |
4399 | ||
fbac9605 | 4400 | return 0; |
2232a77c | 4401 | } |
4402 | ||
4403 | /* | |
4404 | * Uninstall remote VTEP from the kernel. | |
4405 | */ | |
d62a17ae | 4406 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 4407 | { |
d62a17ae | 4408 | if (!zvni->vxlan_if) { |
9df414fe QY |
4409 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
4410 | zvni->vni, zvni); | |
d62a17ae | 4411 | return -1; |
4412 | } | |
2232a77c | 4413 | |
0bbd4ff4 MS |
4414 | if (ZEBRA_DPLANE_REQUEST_FAILURE == |
4415 | dplane_vtep_delete(zvni->vxlan_if, vtep_ip, zvni->vni)) | |
4416 | return -1; | |
4417 | ||
4418 | return 0; | |
2232a77c | 4419 | } |
4420 | ||
fbac9605 DS |
4421 | /* |
4422 | * Install or uninstall flood entries in the kernel corresponding to | |
4423 | * remote VTEPs. This is invoked upon change to BUM handling. | |
4424 | */ | |
e3b78da8 | 4425 | static void zvni_handle_flooding_remote_vteps(struct hash_bucket *bucket, |
fbac9605 DS |
4426 | void *zvrf) |
4427 | { | |
4428 | zebra_vni_t *zvni; | |
4429 | zebra_vtep_t *zvtep; | |
4430 | ||
e3b78da8 | 4431 | zvni = (zebra_vni_t *)bucket->data; |
fbac9605 DS |
4432 | if (!zvni) |
4433 | return; | |
4434 | ||
4435 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
4436 | if (is_vxlan_flooding_head_end()) | |
9718c54e | 4437 | zvni_vtep_install(zvni, zvtep); |
fbac9605 DS |
4438 | else |
4439 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
4440 | } | |
4441 | } | |
4442 | ||
2232a77c | 4443 | /* |
4444 | * Cleanup VNI/VTEP and update kernel | |
4445 | */ | |
e3b78da8 | 4446 | static void zvni_cleanup_all(struct hash_bucket *bucket, void *arg) |
2232a77c | 4447 | { |
b7cfce93 MK |
4448 | zebra_vni_t *zvni = NULL; |
4449 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 4450 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 4451 | |
e3b78da8 | 4452 | zvni = (zebra_vni_t *)bucket->data; |
2232a77c | 4453 | |
b7cfce93 | 4454 | /* remove from l3-vni list */ |
84915b0a | 4455 | if (zvrf->l3vni) |
4456 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
4457 | if (zl3vni) |
4458 | listnode_delete(zl3vni->l2vnis, zvni); | |
4459 | ||
d62a17ae | 4460 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 4461 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
4462 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 4463 | |
d62a17ae | 4464 | /* Free up all remote VTEPs, if any. */ |
4465 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 4466 | |
d62a17ae | 4467 | /* Delete the hash entry. */ |
2853fed6 | 4468 | zvni_del(zvni); |
2232a77c | 4469 | } |
4470 | ||
655b04d1 | 4471 | /* cleanup L3VNI */ |
e3b78da8 | 4472 | static void zl3vni_cleanup_all(struct hash_bucket *bucket, void *args) |
655b04d1 MK |
4473 | { |
4474 | zebra_l3vni_t *zl3vni = NULL; | |
4475 | ||
e3b78da8 | 4476 | zl3vni = (zebra_l3vni_t *)bucket->data; |
655b04d1 MK |
4477 | |
4478 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
4479 | } | |
4480 | ||
85442b09 | 4481 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 4482 | struct prefix *host) |
5e1b0650 DS |
4483 | { |
4484 | struct host_rb_entry lookup; | |
4485 | struct host_rb_entry *hle; | |
4486 | ||
4487 | memset(&lookup, 0, sizeof(lookup)); | |
4488 | memcpy(&lookup.p, host, sizeof(*host)); | |
4489 | ||
85442b09 | 4490 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
4491 | if (hle) |
4492 | return; | |
4493 | ||
4494 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
4495 | memcpy(hle, &lookup, sizeof(lookup)); | |
4496 | ||
85442b09 | 4497 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
4498 | } |
4499 | ||
85442b09 | 4500 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
4501 | { |
4502 | struct host_rb_entry lookup; | |
4503 | struct host_rb_entry *hle; | |
4504 | ||
4505 | memset(&lookup, 0, sizeof(lookup)); | |
4506 | memcpy(&lookup.p, host, sizeof(*host)); | |
4507 | ||
85442b09 | 4508 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 4509 | if (hle) { |
85442b09 | 4510 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
4511 | XFREE(MTYPE_HOST_PREFIX, hle); |
4512 | } | |
5e1b0650 DS |
4513 | |
4514 | return; | |
4515 | } | |
4516 | ||
b7cfce93 MK |
4517 | /* |
4518 | * Look up MAC hash entry. | |
4519 | */ | |
2dbad57f | 4520 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
4521 | struct ethaddr *rmac) |
4522 | { | |
4523 | zebra_mac_t tmp; | |
4524 | zebra_mac_t *pmac; | |
4525 | ||
4526 | memset(&tmp, 0, sizeof(tmp)); | |
4527 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
4528 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 4529 | |
b7cfce93 | 4530 | return pmac; |
2dbad57f | 4531 | } |
2232a77c | 4532 | |
cec2e17d | 4533 | /* |
b7cfce93 | 4534 | * Callback to allocate RMAC hash entry. |
cec2e17d | 4535 | */ |
2dbad57f | 4536 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 4537 | { |
b7cfce93 MK |
4538 | const zebra_mac_t *tmp_rmac = p; |
4539 | zebra_mac_t *zrmac; | |
d62a17ae | 4540 | |
b7cfce93 MK |
4541 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
4542 | *zrmac = *tmp_rmac; | |
d62a17ae | 4543 | |
b7cfce93 | 4544 | return ((void *)zrmac); |
2dbad57f | 4545 | } |
cd233079 | 4546 | |
b7cfce93 MK |
4547 | /* |
4548 | * Add RMAC entry to l3-vni | |
4549 | */ | |
996c9314 | 4550 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
4551 | { |
4552 | zebra_mac_t tmp_rmac; | |
4553 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 4554 | |
b7cfce93 MK |
4555 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
4556 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
4557 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
4558 | assert(zrmac); | |
d62a17ae | 4559 | |
85442b09 | 4560 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 4561 | |
2dbad57f | 4562 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
4563 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
4564 | ||
b7cfce93 | 4565 | return zrmac; |
2dbad57f | 4566 | } |
cec2e17d | 4567 | |
4568 | /* | |
b7cfce93 | 4569 | * Delete MAC entry. |
cec2e17d | 4570 | */ |
996c9314 | 4571 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4572 | { |
b7cfce93 | 4573 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 4574 | struct host_rb_entry *hle; |
cd233079 | 4575 | |
85442b09 DS |
4576 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
4577 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 4578 | |
85442b09 | 4579 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
4580 | XFREE(MTYPE_HOST_PREFIX, hle); |
4581 | } | |
cd233079 | 4582 | |
b7cfce93 | 4583 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
0a22ddfb | 4584 | XFREE(MTYPE_MAC, tmp_rmac); |
cd233079 | 4585 | |
b7cfce93 | 4586 | return 0; |
2dbad57f | 4587 | } |
cec2e17d | 4588 | |
4589 | /* | |
036d93c0 | 4590 | * Install remote RMAC into the forwarding plane. |
cec2e17d | 4591 | */ |
996c9314 | 4592 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 4593 | { |
478566d6 MS |
4594 | const struct zebra_if *zif = NULL, *br_zif = NULL; |
4595 | const struct zebra_l2info_vxlan *vxl = NULL; | |
4596 | const struct interface *br_ifp; | |
036d93c0 | 4597 | enum zebra_dplane_result res; |
478566d6 | 4598 | vlanid_t vid; |
cec2e17d | 4599 | |
996c9314 LB |
4600 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4601 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4602 | return 0; |
4603 | ||
4604 | zif = zl3vni->vxlan_if->info; | |
4605 | if (!zif) | |
4606 | return -1; | |
4607 | ||
478566d6 MS |
4608 | br_ifp = zif->brslave_info.br_if; |
4609 | if (br_ifp == NULL) | |
4610 | return -1; | |
4611 | ||
b7cfce93 MK |
4612 | vxl = &zif->l2info.vxl; |
4613 | ||
478566d6 MS |
4614 | br_zif = (const struct zebra_if *)br_ifp->info; |
4615 | ||
4616 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
4617 | vid = vxl->access_vlan; | |
4618 | else | |
4619 | vid = 0; | |
4620 | ||
4621 | res = dplane_mac_add(zl3vni->vxlan_if, br_ifp, vid, | |
036d93c0 MS |
4622 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
4623 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
4624 | return 0; | |
4625 | else | |
4626 | return -1; | |
2dbad57f | 4627 | } |
b7cfce93 MK |
4628 | |
4629 | /* | |
036d93c0 | 4630 | * Uninstall remote RMAC from the forwarding plane. |
b7cfce93 | 4631 | */ |
996c9314 | 4632 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
4633 | { |
4634 | char buf[ETHER_ADDR_STRLEN]; | |
478566d6 MS |
4635 | const struct zebra_if *zif = NULL, *br_zif; |
4636 | const struct zebra_l2info_vxlan *vxl = NULL; | |
4637 | const struct interface *br_ifp; | |
4638 | vlanid_t vid; | |
036d93c0 | 4639 | enum zebra_dplane_result res; |
b7cfce93 | 4640 | |
996c9314 LB |
4641 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
4642 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
4643 | return 0; |
4644 | ||
4645 | if (!zl3vni->vxlan_if) { | |
e0e140a7 MS |
4646 | if (IS_ZEBRA_DEBUG_VXLAN) |
4647 | zlog_debug( | |
4648 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", | |
4649 | prefix_mac2str(&zrmac->macaddr, | |
4650 | buf, sizeof(buf)), | |
4651 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
4652 | return -1; |
4653 | } | |
4654 | ||
4655 | zif = zl3vni->vxlan_if->info; | |
4656 | if (!zif) | |
4657 | return -1; | |
4658 | ||
478566d6 MS |
4659 | br_ifp = zif->brslave_info.br_if; |
4660 | if (br_ifp == NULL) | |
4661 | return -1; | |
4662 | ||
b7cfce93 MK |
4663 | vxl = &zif->l2info.vxl; |
4664 | ||
478566d6 MS |
4665 | br_zif = (const struct zebra_if *)br_ifp->info; |
4666 | if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif)) | |
4667 | vid = vxl->access_vlan; | |
4668 | else | |
4669 | vid = 0; | |
4670 | ||
4671 | res = dplane_mac_del(zl3vni->vxlan_if, br_ifp, vid, | |
036d93c0 MS |
4672 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
4673 | if (res != ZEBRA_DPLANE_REQUEST_FAILURE) | |
4674 | return 0; | |
4675 | else | |
4676 | return -1; | |
2dbad57f | 4677 | } |
4678 | ||
4679 | /* handle rmac add */ | |
996c9314 | 4680 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 4681 | struct ipaddr *vtep_ip, |
4682 | struct prefix *host_prefix) | |
2dbad57f | 4683 | { |
4684 | char buf[ETHER_ADDR_STRLEN]; | |
4685 | char buf1[INET6_ADDRSTRLEN]; | |
651fa905 | 4686 | char buf2[PREFIX_STRLEN]; |
2dbad57f | 4687 | zebra_mac_t *zrmac = NULL; |
4688 | ||
4689 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4690 | if (!zrmac) { | |
4691 | ||
651fa905 | 4692 | /* Create the RMAC entry, or update its vtep, if necessary. */ |
2dbad57f | 4693 | zrmac = zl3vni_rmac_add(zl3vni, rmac); |
4694 | if (!zrmac) { | |
9df414fe | 4695 | zlog_debug( |
651fa905 | 4696 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s, prefix %s", |
996c9314 LB |
4697 | prefix_mac2str(rmac, buf, sizeof(buf)), |
4698 | zl3vni->vni, | |
651fa905 CS |
4699 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
4700 | prefix2str(host_prefix, buf2, sizeof(buf2))); | |
2dbad57f | 4701 | return -1; |
4702 | } | |
4703 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
4704 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
4705 | ||
a780a738 AD |
4706 | /* Send RMAC for FPM processing */ |
4707 | hook_call(zebra_rmac_update, zrmac, zl3vni, false, | |
4708 | "new RMAC added"); | |
4709 | ||
651fa905 CS |
4710 | /* install rmac in kernel */ |
4711 | zl3vni_rmac_install(zl3vni, zrmac); | |
4712 | } else if (!IPV4_ADDR_SAME(&zrmac->fwd_info.r_vtep_ip, | |
4713 | &vtep_ip->ipaddr_v4)) { | |
4714 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4715 | zlog_debug( | |
4716 | "L3VNI %u Remote VTEP change(%s -> %s) for RMAC %s, prefix %s", | |
4717 | zl3vni->vni, | |
4718 | inet_ntoa(zrmac->fwd_info.r_vtep_ip), | |
4719 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), | |
4720 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
4721 | prefix2str(host_prefix, buf2, sizeof(buf2))); | |
4722 | ||
4723 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
4724 | ||
2dbad57f | 4725 | /* install rmac in kernel */ |
4726 | zl3vni_rmac_install(zl3vni, zrmac); | |
4727 | } | |
6134fd82 | 4728 | |
41db76c2 | 4729 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 4730 | |
2dbad57f | 4731 | return 0; |
4732 | } | |
4733 | ||
4734 | ||
4735 | /* handle rmac delete */ | |
22e63104 | 4736 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 4737 | struct prefix *host_prefix) |
2dbad57f | 4738 | { |
41db76c2 | 4739 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 4740 | |
85442b09 | 4741 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 4742 | /* uninstall from kernel */ |
4743 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4744 | ||
a780a738 AD |
4745 | /* Send RMAC for FPM processing */ |
4746 | hook_call(zebra_rmac_update, zrmac, zl3vni, true, | |
4747 | "RMAC deleted"); | |
4748 | ||
2dbad57f | 4749 | /* del the rmac entry */ |
4750 | zl3vni_rmac_del(zl3vni, zrmac); | |
4751 | } | |
2dbad57f | 4752 | } |
b7cfce93 MK |
4753 | |
4754 | /* | |
4755 | * Look up nh hash entry on a l3-vni. | |
4756 | */ | |
996c9314 | 4757 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
4758 | { |
4759 | zebra_neigh_t tmp; | |
4760 | zebra_neigh_t *n; | |
4761 | ||
4762 | memset(&tmp, 0, sizeof(tmp)); | |
4763 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
4764 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
4765 | ||
4766 | return n; | |
2dbad57f | 4767 | } |
b7cfce93 MK |
4768 | |
4769 | ||
4770 | /* | |
4771 | * Callback to allocate NH hash entry on L3-VNI. | |
4772 | */ | |
2dbad57f | 4773 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
4774 | { |
4775 | const zebra_neigh_t *tmp_n = p; | |
4776 | zebra_neigh_t *n; | |
4777 | ||
4778 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
4779 | *n = *tmp_n; | |
4780 | ||
4781 | return ((void *)n); | |
2dbad57f | 4782 | } |
b7cfce93 MK |
4783 | |
4784 | /* | |
4785 | * Add neighbor entry. | |
4786 | */ | |
996c9314 | 4787 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
4788 | struct ethaddr *mac) |
4789 | { | |
4790 | zebra_neigh_t tmp_n; | |
4791 | zebra_neigh_t *n = NULL; | |
4792 | ||
4793 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
4794 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
4795 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
4796 | assert(n); | |
4797 | ||
85442b09 | 4798 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 4799 | |
b7cfce93 | 4800 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 4801 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
4802 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
4803 | |
4804 | return n; | |
2dbad57f | 4805 | } |
b7cfce93 MK |
4806 | |
4807 | /* | |
4808 | * Delete neighbor entry. | |
4809 | */ | |
996c9314 | 4810 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
4811 | { |
4812 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 4813 | struct host_rb_entry *hle; |
b7cfce93 | 4814 | |
85442b09 DS |
4815 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
4816 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 4817 | |
85442b09 | 4818 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
4819 | XFREE(MTYPE_HOST_PREFIX, hle); |
4820 | } | |
55aabf6f | 4821 | |
b7cfce93 | 4822 | tmp_n = hash_release(zl3vni->nh_table, n); |
0a22ddfb | 4823 | XFREE(MTYPE_NEIGH, tmp_n); |
b7cfce93 MK |
4824 | |
4825 | return 0; | |
2dbad57f | 4826 | } |
b7cfce93 MK |
4827 | |
4828 | /* | |
4829 | * Install remote nh as neigh into the kernel. | |
4830 | */ | |
996c9314 | 4831 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4832 | { |
68e33151 CS |
4833 | uint8_t flags; |
4834 | int ret = 0; | |
4835 | ||
b7cfce93 MK |
4836 | if (!is_l3vni_oper_up(zl3vni)) |
4837 | return -1; | |
4838 | ||
996c9314 LB |
4839 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4840 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 4841 | return 0; |
931fa60c MS |
4842 | |
4843 | flags = DPLANE_NTF_EXT_LEARNED; | |
68e33151 | 4844 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) |
931fa60c MS |
4845 | flags |= DPLANE_NTF_ROUTER; |
4846 | ||
4847 | dplane_neigh_add(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
4848 | ||
68e33151 | 4849 | return ret; |
2dbad57f | 4850 | } |
b7cfce93 MK |
4851 | |
4852 | /* | |
4853 | * Uninstall remote nh from the kernel. | |
4854 | */ | |
996c9314 | 4855 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 4856 | { |
996c9314 LB |
4857 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
4858 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
4859 | return 0; |
4860 | ||
fa409e1e | 4861 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
4862 | return 0; | |
4863 | ||
931fa60c MS |
4864 | dplane_neigh_delete(zl3vni->svi_if, &n->ip); |
4865 | ||
4866 | return 0; | |
2dbad57f | 4867 | } |
4868 | ||
4869 | /* add remote vtep as a neigh entry */ | |
996c9314 | 4870 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 4871 | struct ethaddr *rmac, |
4872 | struct prefix *host_prefix) | |
2dbad57f | 4873 | { |
4874 | char buf[ETHER_ADDR_STRLEN]; | |
651fa905 CS |
4875 | char buf1[ETHER_ADDR_STRLEN]; |
4876 | char buf2[INET6_ADDRSTRLEN]; | |
4877 | char buf3[PREFIX_STRLEN]; | |
2dbad57f | 4878 | zebra_neigh_t *nh = NULL; |
4879 | ||
651fa905 | 4880 | /* Create the next hop entry, or update its mac, if necessary. */ |
2dbad57f | 4881 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); |
4882 | if (!nh) { | |
4883 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
4884 | if (!nh) { | |
9df414fe | 4885 | zlog_debug( |
651fa905 CS |
4886 | "Failed to add NH %s as Neigh (RMAC %s L3-VNI %u prefix %s)", |
4887 | ipaddr2str(vtep_ip, buf1, sizeof(buf2)), | |
996c9314 | 4888 | prefix_mac2str(rmac, buf, sizeof(buf)), |
651fa905 CS |
4889 | zl3vni->vni, |
4890 | prefix2str(host_prefix, buf2, sizeof(buf2))); | |
2dbad57f | 4891 | return -1; |
4892 | } | |
4893 | ||
4894 | /* install the nh neigh in kernel */ | |
4895 | zl3vni_nh_install(zl3vni, nh); | |
651fa905 CS |
4896 | } else if (memcmp(&nh->emac, rmac, ETH_ALEN) != 0) { |
4897 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4898 | zlog_debug("L3VNI %u RMAC change(%s --> %s) for nexthop %s, prefix %s", | |
4899 | zl3vni->vni, | |
4900 | prefix_mac2str(&nh->emac, buf, sizeof(buf)), | |
4901 | prefix_mac2str(rmac, buf1, sizeof(buf1)), | |
4902 | ipaddr2str(vtep_ip, buf2, sizeof(buf2)), | |
4903 | prefix2str(host_prefix, buf3, sizeof(buf3))); | |
4904 | ||
4905 | memcpy(&nh->emac, rmac, ETH_ALEN); | |
4906 | /* install (update) the nh neigh in kernel */ | |
4907 | zl3vni_nh_install(zl3vni, nh); | |
2dbad57f | 4908 | } |
6134fd82 | 4909 | |
f2a503f0 | 4910 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 4911 | |
2dbad57f | 4912 | return 0; |
4913 | } | |
4914 | ||
4915 | /* handle nh neigh delete */ | |
22e63104 | 4916 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
4917 | struct prefix *host_prefix) | |
2dbad57f | 4918 | { |
f2a503f0 | 4919 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 4920 | |
85442b09 | 4921 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 4922 | /* uninstall from kernel */ |
4923 | zl3vni_nh_uninstall(zl3vni, nh); | |
4924 | ||
4925 | /* delete the nh entry */ | |
4926 | zl3vni_nh_del(zl3vni, nh); | |
4927 | } | |
2dbad57f | 4928 | } |
b7cfce93 | 4929 | |
3bcbba10 | 4930 | /* handle neigh update from kernel - the only thing of interest is to |
4931 | * readd stale entries. | |
4932 | */ | |
996c9314 | 4933 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 4934 | uint16_t state) |
3bcbba10 | 4935 | { |
c05a738b | 4936 | #ifdef GNU_LINUX |
3bcbba10 | 4937 | zebra_neigh_t *n = NULL; |
4938 | ||
4939 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4940 | if (!n) | |
4941 | return 0; | |
4942 | ||
4943 | /* all next hop neigh are remote and installed by frr. | |
4944 | * If the kernel has aged this entry, re-install. | |
4945 | */ | |
4946 | if (state & NUD_STALE) | |
4947 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 4948 | #endif |
3bcbba10 | 4949 | return 0; |
4950 | } | |
4951 | ||
8c9b80b9 | 4952 | /* handle neigh delete from kernel */ |
996c9314 | 4953 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
4954 | { |
4955 | zebra_neigh_t *n = NULL; | |
4956 | ||
4957 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4958 | if (!n) | |
4959 | return 0; | |
4960 | ||
4961 | /* all next hop neigh are remote and installed by frr. | |
4962 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 4963 | * install it back |
4964 | */ | |
8c9b80b9 MK |
4965 | zl3vni_nh_install(zl3vni, n); |
4966 | ||
4967 | return 0; | |
4968 | } | |
4969 | ||
b7cfce93 MK |
4970 | /* |
4971 | * Hash function for L3 VNI. | |
4972 | */ | |
d8b87afe | 4973 | static unsigned int l3vni_hash_keymake(const void *p) |
b7cfce93 MK |
4974 | { |
4975 | const zebra_l3vni_t *zl3vni = p; | |
4976 | ||
4977 | return jhash_1word(zl3vni->vni, 0); | |
4978 | } | |
4979 | ||
4980 | /* | |
4981 | * Compare 2 L3 VNI hash entries. | |
4982 | */ | |
74df8d6d | 4983 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
4984 | { |
4985 | const zebra_l3vni_t *zl3vni1 = p1; | |
4986 | const zebra_l3vni_t *zl3vni2 = p2; | |
4987 | ||
4988 | return (zl3vni1->vni == zl3vni2->vni); | |
4989 | } | |
4990 | ||
4991 | /* | |
4992 | * Callback to allocate L3 VNI hash entry. | |
4993 | */ | |
4994 | static void *zl3vni_alloc(void *p) | |
4995 | { | |
4996 | zebra_l3vni_t *zl3vni = NULL; | |
4997 | const zebra_l3vni_t *tmp_l3vni = p; | |
4998 | ||
4999 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
5000 | zl3vni->vni = tmp_l3vni->vni; | |
5001 | return ((void *)zl3vni); | |
5002 | } | |
5003 | ||
5004 | /* | |
5005 | * Look up L3 VNI hash entry. | |
5006 | */ | |
5007 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
5008 | { | |
b7cfce93 MK |
5009 | zebra_l3vni_t tmp_l3vni; |
5010 | zebra_l3vni_t *zl3vni = NULL; | |
5011 | ||
b7cfce93 MK |
5012 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
5013 | tmp_l3vni.vni = vni; | |
89272910 | 5014 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
5015 | |
5016 | return zl3vni; | |
5017 | } | |
5018 | ||
5019 | /* | |
5020 | * Add L3 VNI hash entry. | |
5021 | */ | |
5022 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
5023 | { | |
5024 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
5025 | zebra_l3vni_t *zl3vni = NULL; |
5026 | ||
b7cfce93 MK |
5027 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
5028 | tmp_zl3vni.vni = vni; | |
5029 | ||
89272910 | 5030 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
5031 | assert(zl3vni); |
5032 | ||
5033 | zl3vni->vrf_id = vrf_id; | |
5034 | zl3vni->svi_if = NULL; | |
5035 | zl3vni->vxlan_if = NULL; | |
5036 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 5037 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
5038 | |
5039 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
5040 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
5041 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
5042 | |
5043 | /* Create hash table for neighbors */ | |
5044 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 5045 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
5046 | |
5047 | return zl3vni; | |
5048 | } | |
5049 | ||
5050 | /* | |
5051 | * Delete L3 VNI hash entry. | |
5052 | */ | |
5053 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
5054 | { | |
b7cfce93 MK |
5055 | zebra_l3vni_t *tmp_zl3vni; |
5056 | ||
b7cfce93 | 5057 | /* free the list of l2vnis */ |
6a154c88 | 5058 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
5059 | zl3vni->l2vnis = NULL; |
5060 | ||
5061 | /* Free the rmac table */ | |
5062 | hash_free(zl3vni->rmac_table); | |
5063 | zl3vni->rmac_table = NULL; | |
5064 | ||
5065 | /* Free the nh table */ | |
5066 | hash_free(zl3vni->nh_table); | |
5067 | zl3vni->nh_table = NULL; | |
5068 | ||
5069 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 5070 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
0a22ddfb | 5071 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); |
b7cfce93 MK |
5072 | |
5073 | return 0; | |
5074 | } | |
5075 | ||
a780a738 | 5076 | struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
b7cfce93 MK |
5077 | { |
5078 | struct zebra_ns *zns = NULL; | |
5079 | struct route_node *rn = NULL; | |
5080 | struct interface *ifp = NULL; | |
5081 | ||
5082 | /* loop through all vxlan-interface */ | |
5083 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5084 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
5085 | ||
5086 | struct zebra_if *zif = NULL; | |
5087 | struct zebra_l2info_vxlan *vxl = NULL; | |
5088 | ||
5089 | ifp = (struct interface *)rn->info; | |
5090 | if (!ifp) | |
5091 | continue; | |
5092 | ||
5093 | zif = ifp->info; | |
5094 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
5095 | continue; | |
5096 | ||
5097 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 5098 | if (vxl->vni == zl3vni->vni) { |
5099 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 5100 | return ifp; |
b67a60d2 | 5101 | } |
b7cfce93 MK |
5102 | } |
5103 | ||
5104 | return NULL; | |
5105 | } | |
5106 | ||
a780a738 | 5107 | struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) |
b7cfce93 | 5108 | { |
996c9314 | 5109 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
5110 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
5111 | ||
2aeb403d | 5112 | if (!zl3vni) |
5113 | return NULL; | |
5114 | ||
b7cfce93 MK |
5115 | if (!zl3vni->vxlan_if) |
5116 | return NULL; | |
5117 | ||
5118 | zif = zl3vni->vxlan_if->info; | |
5119 | if (!zif) | |
5120 | return NULL; | |
5121 | ||
5122 | vxl = &zif->l2info.vxl; | |
5123 | ||
5124 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
5125 | } | |
5126 | ||
06d9cde5 CS |
5127 | struct interface *zl3vni_map_to_mac_vlan_if(zebra_l3vni_t *zl3vni) |
5128 | { | |
5129 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ | |
5130 | ||
5131 | if (!zl3vni) | |
5132 | return NULL; | |
5133 | ||
5134 | if (!zl3vni->vxlan_if) | |
5135 | return NULL; | |
5136 | ||
5137 | zif = zl3vni->vxlan_if->info; | |
5138 | if (!zif) | |
5139 | return NULL; | |
5140 | ||
5141 | return zvni_map_to_macvlan(zif->brslave_info.br_if, zl3vni->svi_if); | |
5142 | } | |
5143 | ||
5144 | ||
9d21b7c6 | 5145 | zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) |
b7cfce93 MK |
5146 | { |
5147 | struct zebra_vrf *zvrf = NULL; | |
5148 | ||
5149 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
5150 | if (!zvrf) | |
5151 | return NULL; | |
5152 | ||
5153 | return zl3vni_lookup(zvrf->l3vni); | |
5154 | } | |
5155 | ||
5156 | /* | |
5157 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
5158 | * neighbor notifications, to see if they are of interest. | |
5159 | */ | |
5160 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
5161 | struct interface *br_if) | |
5162 | { | |
5163 | int found = 0; | |
5164 | vlanid_t vid = 0; | |
d7c0a89a | 5165 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
5166 | zebra_l3vni_t *zl3vni = NULL; |
5167 | struct zebra_ns *zns = NULL; | |
5168 | struct route_node *rn = NULL; | |
5169 | struct zebra_if *zif = NULL; | |
5170 | struct interface *tmp_if = NULL; | |
5171 | struct zebra_l2info_bridge *br = NULL; | |
5172 | struct zebra_l2info_vxlan *vxl = NULL; | |
5173 | ||
5174 | if (!br_if) | |
5175 | return NULL; | |
5176 | ||
5177 | /* Make sure the linked interface is a bridge. */ | |
5178 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
5179 | return NULL; | |
5180 | ||
5181 | /* Determine if bridge is VLAN-aware or not */ | |
5182 | zif = br_if->info; | |
5183 | assert(zif); | |
5184 | br = &zif->l2info.br; | |
5185 | bridge_vlan_aware = br->vlan_aware; | |
5186 | if (bridge_vlan_aware) { | |
5187 | struct zebra_l2info_vlan *vl; | |
5188 | ||
5189 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
5190 | return NULL; | |
5191 | ||
5192 | zif = ifp->info; | |
5193 | assert(zif); | |
5194 | vl = &zif->l2info.vl; | |
5195 | vid = vl->vid; | |
5196 | } | |
5197 | ||
5198 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
5199 | /* TODO: Optimize with a hash. */ | |
5200 | zns = zebra_ns_lookup(NS_DEFAULT); | |
5201 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
5202 | tmp_if = (struct interface *)rn->info; | |
5203 | if (!tmp_if) | |
5204 | continue; | |
5205 | zif = tmp_if->info; | |
5206 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
5207 | continue; | |
5208 | if (!if_is_operative(tmp_if)) | |
5209 | continue; | |
5210 | vxl = &zif->l2info.vxl; | |
5211 | ||
5212 | if (zif->brslave_info.br_if != br_if) | |
5213 | continue; | |
5214 | ||
5215 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
5216 | found = 1; | |
5217 | break; | |
5218 | } | |
5219 | } | |
5220 | ||
5221 | if (!found) | |
5222 | return NULL; | |
5223 | ||
5224 | zl3vni = zl3vni_lookup(vxl->vni); | |
5225 | return zl3vni; | |
5226 | } | |
5227 | ||
06d9cde5 CS |
5228 | static inline void zl3vni_get_vrr_rmac(zebra_l3vni_t *zl3vni, |
5229 | struct ethaddr *rmac) | |
5230 | { | |
5231 | if (!zl3vni) | |
5232 | return; | |
5233 | ||
5234 | if (!is_l3vni_oper_up(zl3vni)) | |
5235 | return; | |
5236 | ||
5237 | if (zl3vni->mac_vlan_if && if_is_operative(zl3vni->mac_vlan_if)) | |
5238 | memcpy(rmac->octet, zl3vni->mac_vlan_if->hw_addr, ETH_ALEN); | |
5239 | } | |
5240 | ||
b7cfce93 MK |
5241 | /* |
5242 | * Inform BGP about l3-vni. | |
5243 | */ | |
5244 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
5245 | { | |
5246 | struct stream *s = NULL; | |
5247 | struct zserv *client = NULL; | |
06d9cde5 CS |
5248 | struct ethaddr svi_rmac, vrr_rmac = {.octet = {0} }; |
5249 | struct zebra_vrf *zvrf; | |
b7cfce93 | 5250 | char buf[ETHER_ADDR_STRLEN]; |
06d9cde5 CS |
5251 | char buf1[ETHER_ADDR_STRLEN]; |
5252 | bool is_anycast_mac = true; | |
b7cfce93 | 5253 | |
21ccc0cf | 5254 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
5255 | /* BGP may not be running. */ |
5256 | if (!client) | |
5257 | return 0; | |
5258 | ||
06d9cde5 CS |
5259 | zvrf = zebra_vrf_lookup_by_id(zl3vni->vrf_id); |
5260 | assert(zvrf); | |
5261 | ||
5262 | /* get the svi and vrr rmac values */ | |
5263 | memset(&svi_rmac, 0, sizeof(struct ethaddr)); | |
5264 | zl3vni_get_svi_rmac(zl3vni, &svi_rmac); | |
5265 | zl3vni_get_vrr_rmac(zl3vni, &vrr_rmac); | |
5266 | ||
5267 | /* In absence of vrr mac use svi mac as anycast MAC value */ | |
5268 | if (is_zero_mac(&vrr_rmac)) { | |
5269 | memcpy(&vrr_rmac, &svi_rmac, ETH_ALEN); | |
5270 | is_anycast_mac = false; | |
5271 | } | |
b7cfce93 | 5272 | |
1002497a | 5273 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 5274 | |
06d9cde5 CS |
5275 | /* The message is used for both vni add and/or update like |
5276 | * vrr mac is added for l3vni SVI. | |
5277 | */ | |
996c9314 | 5278 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 | 5279 | stream_putl(s, zl3vni->vni); |
06d9cde5 | 5280 | stream_put(s, &svi_rmac, sizeof(struct ethaddr)); |
b67a60d2 | 5281 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 5282 | stream_put(s, &zl3vni->filter, sizeof(int)); |
0483af6e | 5283 | stream_putl(s, zl3vni->svi_if->ifindex); |
06d9cde5 CS |
5284 | stream_put(s, &vrr_rmac, sizeof(struct ethaddr)); |
5285 | stream_putl(s, is_anycast_mac); | |
b7cfce93 MK |
5286 | |
5287 | /* Write packet size. */ | |
5288 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5289 | ||
5290 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 5291 | zlog_debug( |
06d9cde5 | 5292 | "Send L3_VNI_ADD %u VRF %s RMAC %s VRR %s local-ip %s filter %s to %s", |
996c9314 | 5293 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
06d9cde5 CS |
5294 | prefix_mac2str(&svi_rmac, buf, sizeof(buf)), |
5295 | prefix_mac2str(&vrr_rmac, buf1, sizeof(buf1)), | |
996c9314 LB |
5296 | inet_ntoa(zl3vni->local_vtep_ip), |
5297 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
5298 | ? "prefix-routes-only" | |
5299 | : "none", | |
5300 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
5301 | |
5302 | client->l3vniadd_cnt++; | |
21ccc0cf | 5303 | return zserv_send_message(client, s); |
b7cfce93 MK |
5304 | } |
5305 | ||
5306 | /* | |
5307 | * Inform BGP about local l3-VNI deletion. | |
5308 | */ | |
5309 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
5310 | { | |
5311 | struct stream *s = NULL; | |
5312 | struct zserv *client = NULL; | |
5313 | ||
21ccc0cf | 5314 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
5315 | /* BGP may not be running. */ |
5316 | if (!client) | |
5317 | return 0; | |
5318 | ||
1002497a | 5319 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 5320 | |
996c9314 | 5321 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
5322 | stream_putl(s, zl3vni->vni); |
5323 | ||
5324 | /* Write packet size. */ | |
5325 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5326 | ||
5327 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5328 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
5329 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
5330 | zebra_route_string(client->proto)); | |
5331 | ||
5332 | client->l3vnidel_cnt++; | |
21ccc0cf | 5333 | return zserv_send_message(client, s); |
b7cfce93 MK |
5334 | } |
5335 | ||
5336 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
5337 | { | |
2aeb403d | 5338 | if (!zl3vni) |
5339 | return; | |
5340 | ||
b7cfce93 MK |
5341 | /* send l3vni add to BGP */ |
5342 | zl3vni_send_add_to_client(zl3vni); | |
5343 | } | |
5344 | ||
5345 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
5346 | { | |
2aeb403d | 5347 | if (!zl3vni) |
5348 | return; | |
5349 | ||
b7cfce93 MK |
5350 | /* send l3-vni del to BGP*/ |
5351 | zl3vni_send_del_to_client(zl3vni); | |
5352 | } | |
5353 | ||
e3b78da8 | 5354 | static void zvni_add_to_l3vni_list(struct hash_bucket *bucket, void *ctxt) |
b7cfce93 | 5355 | { |
e3b78da8 | 5356 | zebra_vni_t *zvni = (zebra_vni_t *)bucket->data; |
996c9314 | 5357 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; |
b7cfce93 MK |
5358 | |
5359 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
5360 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
5361 | } | |
5362 | ||
b7cfce93 MK |
5363 | /* |
5364 | * handle transition of vni from l2 to l3 and vice versa | |
5365 | */ | |
996c9314 LB |
5366 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
5367 | int add) | |
b7cfce93 MK |
5368 | { |
5369 | zebra_vni_t *zvni = NULL; | |
5370 | ||
5371 | /* There is a possibility that VNI notification was already received | |
5372 | * from kernel and we programmed it as L2-VNI | |
5373 | * In such a case we need to delete this L2-VNI first, so | |
5374 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
5375 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
5376 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 5377 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
5378 | */ | |
b7cfce93 MK |
5379 | if (add) { |
5380 | /* Locate hash entry */ | |
5381 | zvni = zvni_lookup(vni); | |
5382 | if (!zvni) | |
5383 | return 0; | |
5384 | ||
5385 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5386 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
5387 | |
5388 | /* Delete VNI from BGP. */ | |
5389 | zvni_send_del_to_client(zvni->vni); | |
5390 | ||
5391 | /* Free up all neighbors and MAC, if any. */ | |
5392 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
5393 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
5394 | ||
5395 | /* Free up all remote VTEPs, if any. */ | |
5396 | zvni_vtep_del_all(zvni, 0); | |
5397 | ||
5398 | /* Delete the hash entry. */ | |
5399 | if (zvni_del(zvni)) { | |
e914ccbe | 5400 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
5401 | "Failed to del VNI hash %p, VNI %u", zvni, |
5402 | zvni->vni); | |
b7cfce93 MK |
5403 | return -1; |
5404 | } | |
5405 | } else { | |
5406 | /* TODO_MITESH: This needs to be thought through. We don't have | |
5407 | * enough information at this point to reprogram the vni as | |
5408 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 5409 | * used it solely for this purpose |
5410 | */ | |
b7cfce93 MK |
5411 | } |
5412 | ||
5413 | return 0; | |
5414 | } | |
5415 | ||
5e06422c | 5416 | /* delete and uninstall rmac hash entry */ |
e3b78da8 | 5417 | static void zl3vni_del_rmac_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5418 | { |
5419 | zebra_mac_t *zrmac = NULL; | |
5420 | zebra_l3vni_t *zl3vni = NULL; | |
5421 | ||
e3b78da8 | 5422 | zrmac = (zebra_mac_t *)bucket->data; |
5e06422c MK |
5423 | zl3vni = (zebra_l3vni_t *)ctx; |
5424 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
a780a738 AD |
5425 | |
5426 | /* Send RMAC for FPM processing */ | |
5427 | hook_call(zebra_rmac_update, zrmac, zl3vni, true, "RMAC deleted"); | |
5428 | ||
5e06422c MK |
5429 | zl3vni_rmac_del(zl3vni, zrmac); |
5430 | } | |
5431 | ||
5432 | /* delete and uninstall nh hash entry */ | |
e3b78da8 | 5433 | static void zl3vni_del_nh_hash_entry(struct hash_bucket *bucket, void *ctx) |
5e06422c MK |
5434 | { |
5435 | zebra_neigh_t *n = NULL; | |
5436 | zebra_l3vni_t *zl3vni = NULL; | |
5437 | ||
e3b78da8 | 5438 | n = (zebra_neigh_t *)bucket->data; |
5e06422c MK |
5439 | zl3vni = (zebra_l3vni_t *)ctx; |
5440 | zl3vni_nh_uninstall(zl3vni, n); | |
5441 | zl3vni_nh_del(zl3vni, n); | |
5442 | } | |
5443 | ||
996c9314 LB |
5444 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
5445 | uint16_t cmd) | |
31310b25 MK |
5446 | { |
5447 | struct zserv *client = NULL; | |
5448 | struct stream *s = NULL; | |
5449 | char buf[PREFIX_STRLEN]; | |
5450 | ||
21ccc0cf | 5451 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
5452 | /* BGP may not be running. */ |
5453 | if (!client) | |
5454 | return 0; | |
5455 | ||
1002497a | 5456 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 5457 | |
22bd3e94 | 5458 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
5459 | stream_put(s, p, sizeof(struct prefix)); |
5460 | ||
5461 | /* Write packet size. */ | |
5462 | stream_putw_at(s, 0, stream_get_endp(s)); | |
5463 | ||
5464 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 5465 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
5466 | prefix2str(p, buf, sizeof(buf)), |
5467 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
5468 | vrf_id_to_name(vrf_id)); | |
5469 | ||
5470 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
5471 | client->prefixadd_cnt++; | |
5472 | else | |
5473 | client->prefixdel_cnt++; | |
5474 | ||
21ccc0cf | 5475 | return zserv_send_message(client, s); |
31310b25 MK |
5476 | } |
5477 | ||
a9a76262 MK |
5478 | /* re-add remote rmac if needed */ |
5479 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 5480 | struct ethaddr *rmac) |
a9a76262 MK |
5481 | { |
5482 | char buf[ETHER_ADDR_STRLEN]; | |
5483 | zebra_mac_t *zrmac = NULL; | |
5484 | ||
5485 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5486 | if (!zrmac) | |
5487 | return 0; | |
5488 | ||
5489 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5490 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 5491 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
5492 | |
5493 | zl3vni_rmac_install(zl3vni, zrmac); | |
5494 | return 0; | |
5495 | } | |
5496 | ||
f07e1c99 | 5497 | /* Process a remote MACIP add from BGP. */ |
5498 | static void process_remote_macip_add(vni_t vni, | |
5499 | struct ethaddr *macaddr, | |
9df2b997 | 5500 | uint16_t ipa_len, |
f07e1c99 | 5501 | struct ipaddr *ipaddr, |
9df2b997 | 5502 | uint8_t flags, |
f07e1c99 | 5503 | uint32_t seq, |
5504 | struct in_addr vtep_ip) | |
c48d9f5f | 5505 | { |
f07e1c99 | 5506 | zebra_vni_t *zvni; |
5507 | zebra_vtep_t *zvtep; | |
e22a946a | 5508 | zebra_mac_t *mac = NULL, *old_mac = NULL; |
f07e1c99 | 5509 | zebra_neigh_t *n = NULL; |
5510 | int update_mac = 0, update_neigh = 0; | |
5511 | char buf[ETHER_ADDR_STRLEN]; | |
5512 | char buf1[INET6_ADDRSTRLEN]; | |
5513 | struct interface *ifp = NULL; | |
5514 | struct zebra_if *zif = NULL; | |
e22a946a | 5515 | struct zebra_vrf *zvrf; |
f07e1c99 | 5516 | uint32_t tmp_seq; |
a37f4598 | 5517 | bool sticky; |
5518 | bool remote_gw; | |
5519 | bool is_router; | |
e22a946a CS |
5520 | bool do_dad = false; |
5521 | bool is_dup_detect = false; | |
c48d9f5f | 5522 | |
f07e1c99 | 5523 | /* Locate VNI hash entry - expected to exist. */ |
5524 | zvni = zvni_lookup(vni); | |
5525 | if (!zvni) { | |
5526 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
5527 | return; | |
5528 | } | |
2dbad57f | 5529 | |
f07e1c99 | 5530 | ifp = zvni->vxlan_if; |
5531 | if (ifp) | |
5532 | zif = ifp->info; | |
5533 | if (!ifp || | |
5534 | !if_is_operative(ifp) || | |
5535 | !zif || | |
5536 | !zif->brslave_info.br_if) { | |
5537 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
5538 | vni); | |
2dbad57f | 5539 | return; |
f07e1c99 | 5540 | } |
2dbad57f | 5541 | |
f07e1c99 | 5542 | /* The remote VTEP specified should normally exist, but it is |
5543 | * possible that when peering comes up, peer may advertise MACIP | |
5544 | * routes before advertising type-3 routes. | |
f50dc5e6 | 5545 | */ |
f07e1c99 | 5546 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
5547 | if (!zvtep) { | |
9718c54e AK |
5548 | zvtep = zvni_vtep_add(zvni, &vtep_ip, VXLAN_FLOOD_DISABLED); |
5549 | if (!zvtep) { | |
f07e1c99 | 5550 | flog_err( |
e914ccbe | 5551 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 5552 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
5553 | vni, zvni); | |
5554 | return; | |
5555 | } | |
2dbad57f | 5556 | |
9718c54e | 5557 | zvni_vtep_install(zvni, zvtep); |
f07e1c99 | 5558 | } |
f50dc5e6 | 5559 | |
a37f4598 | 5560 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
5561 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
5562 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 5563 | |
f07e1c99 | 5564 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 5565 | |
f07e1c99 | 5566 | /* Ignore if the mac is already present as a gateway mac */ |
5567 | if (mac && | |
5568 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
5569 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
5570 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5571 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5572 | vni, | |
5573 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5574 | ipa_len ? " IP " : "", | |
5575 | ipa_len ? | |
5576 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 5577 | return; |
f07e1c99 | 5578 | } |
2dbad57f | 5579 | |
a36898e7 | 5580 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
e22a946a CS |
5581 | if (!zvrf) |
5582 | return; | |
5583 | ||
f07e1c99 | 5584 | /* check if the remote MAC is unknown or has a change. |
5585 | * If so, that needs to be updated first. Note that client could | |
5586 | * install MAC and MACIP separately or just install the latter. | |
5587 | */ | |
5588 | if (!mac | |
5589 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 5590 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
5591 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 5592 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
5593 | || seq != mac->rem_seq) | |
5594 | update_mac = 1; | |
5595 | ||
5596 | if (update_mac) { | |
5597 | if (!mac) { | |
5598 | mac = zvni_mac_add(zvni, macaddr); | |
5599 | if (!mac) { | |
5600 | zlog_warn( | |
5601 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
5602 | prefix_mac2str(macaddr, buf, | |
5603 | sizeof(buf)), | |
5604 | vni, inet_ntoa(vtep_ip)); | |
5605 | return; | |
5606 | } | |
5607 | ||
5608 | /* Is this MAC created for a MACIP? */ | |
5609 | if (ipa_len) | |
5610 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5611 | } else { | |
f07e1c99 | 5612 | /* When host moves but changes its (MAC,IP) |
5613 | * binding, BGP may install a MACIP entry that | |
5614 | * corresponds to "older" location of the host | |
5615 | * in transient situations (because {IP1,M1} | |
5616 | * is a different route from {IP1,M2}). Check | |
5617 | * the sequence number and ignore this update | |
5618 | * if appropriate. | |
5619 | */ | |
27547880 | 5620 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) |
f07e1c99 | 5621 | tmp_seq = mac->loc_seq; |
27547880 | 5622 | else |
f07e1c99 | 5623 | tmp_seq = mac->rem_seq; |
27547880 | 5624 | |
f07e1c99 | 5625 | if (seq < tmp_seq) { |
5626 | if (IS_ZEBRA_DEBUG_VXLAN) | |
27547880 | 5627 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing MAC has higher seq %u flags 0x%x", |
f07e1c99 | 5628 | vni, |
5629 | prefix_mac2str(macaddr, | |
5630 | buf, sizeof(buf)), | |
5631 | ipa_len ? " IP " : "", | |
5632 | ipa_len ? | |
5633 | ipaddr2str(ipaddr, | |
5634 | buf1, sizeof(buf1)) : "", | |
27547880 | 5635 | tmp_seq, mac->flags); |
f07e1c99 | 5636 | return; |
5637 | } | |
5638 | } | |
5639 | ||
e22a946a CS |
5640 | /* Check MAC's curent state is local (this is the case |
5641 | * where MAC has moved from L->R) and check previous | |
5642 | * detection started via local learning. | |
5643 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
5644 | * event via local learning starts an M-second timer. | |
5645 | * | |
753ad4fe | 5646 | * VTEP-IP or seq. change alone is not considered |
e22a946a | 5647 | * for dup. detection. |
753ad4fe CS |
5648 | * |
5649 | * MAC is already marked duplicate set dad, then | |
5650 | * is_dup_detect will be set to not install the entry. | |
e22a946a | 5651 | */ |
753ad4fe CS |
5652 | if ((!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && |
5653 | mac->dad_count) || | |
5654 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
e22a946a CS |
5655 | do_dad = true; |
5656 | ||
e98e4b88 AK |
5657 | /* Remove local MAC from BGP. */ |
5658 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5659 | zvni_mac_send_del_to_client(zvni->vni, macaddr); | |
5660 | ||
f07e1c99 | 5661 | /* Set "auto" and "remote" forwarding info. */ |
5662 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5663 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5664 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5665 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
5666 | ||
5667 | if (sticky) | |
5668 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5669 | else | |
5670 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5671 | ||
5672 | if (remote_gw) | |
5673 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5674 | else | |
5675 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
5676 | ||
bdca1974 CS |
5677 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, |
5678 | mac->fwd_info.r_vtep_ip, | |
5679 | do_dad, &is_dup_detect, | |
5680 | false); | |
e22a946a | 5681 | |
a4445ece CS |
5682 | if (!is_dup_detect) { |
5683 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
5684 | /* Install the entry. */ | |
e22a946a | 5685 | zvni_mac_install(zvni, mac); |
a4445ece | 5686 | } |
f07e1c99 | 5687 | } |
5688 | ||
5689 | /* Update seq number. */ | |
5690 | mac->rem_seq = seq; | |
5691 | ||
5692 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
5693 | if (!ipa_len) { | |
5694 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5695 | return; | |
5696 | } | |
5697 | ||
e22a946a CS |
5698 | /* Reset flag */ |
5699 | do_dad = false; | |
5700 | ||
f07e1c99 | 5701 | /* Check if the remote neighbor itself is unknown or has a |
5702 | * change. If so, create or update and then install the entry. | |
5703 | */ | |
5704 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5705 | if (!n | |
5706 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 5707 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 5708 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
5709 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
5710 | || seq != n->rem_seq) | |
5711 | update_neigh = 1; | |
5712 | ||
5713 | if (update_neigh) { | |
5714 | if (!n) { | |
5715 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
5716 | if (!n) { | |
5717 | zlog_warn( | |
5718 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
5719 | ipaddr2str(ipaddr, buf1, | |
5720 | sizeof(buf1)), | |
5721 | prefix_mac2str(macaddr, buf, | |
5722 | sizeof(buf)), | |
5723 | vni, inet_ntoa(vtep_ip)); | |
5724 | return; | |
5725 | } | |
5726 | ||
5727 | } else { | |
5728 | const char *n_type; | |
5729 | ||
5730 | /* When host moves but changes its (MAC,IP) | |
5731 | * binding, BGP may install a MACIP entry that | |
5732 | * corresponds to "older" location of the host | |
5733 | * in transient situations (because {IP1,M1} | |
5734 | * is a different route from {IP1,M2}). Check | |
5735 | * the sequence number and ignore this update | |
5736 | * if appropriate. | |
5737 | */ | |
5738 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
5739 | tmp_seq = n->loc_seq; | |
5740 | n_type = "local"; | |
5741 | } else { | |
5742 | tmp_seq = n->rem_seq; | |
5743 | n_type = "remote"; | |
5744 | } | |
5745 | if (seq < tmp_seq) { | |
5746 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5747 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
5748 | vni, | |
5749 | prefix_mac2str(macaddr, | |
5750 | buf, sizeof(buf)), | |
4848ef74 A |
5751 | " IP ", |
5752 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 5753 | n_type, |
5754 | tmp_seq); | |
5755 | return; | |
5756 | } | |
5757 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
5758 | /* MAC change, send a delete for old | |
5759 | * neigh if learnt locally. | |
5760 | */ | |
5761 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
5762 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
5763 | zvni_neigh_send_del_to_client( | |
5764 | zvni->vni, &n->ip, | |
2c476b72 | 5765 | &n->emac, 0, n->state); |
f07e1c99 | 5766 | |
5767 | /* update neigh list for macs */ | |
5768 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
5769 | if (old_mac) { | |
5770 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 5771 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 5772 | } |
5773 | listnode_add_sort(mac->neigh_list, n); | |
5774 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
e22a946a CS |
5775 | |
5776 | /* Check Neigh's curent state is local | |
5777 | * (this is the case where neigh/host has moved | |
5778 | * from L->R) and check previous detction | |
5779 | * started via local learning. | |
5780 | * | |
5781 | * RFC-7432: A PE/VTEP that detects a MAC | |
5782 | * mobilit event via local learning starts | |
5783 | * an M-second timer. | |
5784 | * VTEP-IP or seq. change along is not | |
5785 | * considered for dup. detection. | |
5786 | * | |
5787 | * Mobilty event scenario-B IP-MAC binding | |
5788 | * changed. | |
5789 | */ | |
5790 | if ((!CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
5791 | && n->dad_count) | |
5792 | do_dad = true; | |
5793 | ||
f07e1c99 | 5794 | } |
5795 | } | |
5796 | ||
5797 | /* Set "remote" forwarding info. */ | |
5798 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
5799 | n->r_vtep_ip = vtep_ip; | |
5800 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
5801 | ||
5802 | /* Set router flag (R-bit) to this Neighbor entry */ | |
5803 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
5804 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 5805 | else |
5806 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 5807 | |
e22a946a CS |
5808 | /* Check old or new MAC detected as duplicate, |
5809 | * inherit duplicate flag to this neigh. | |
5810 | */ | |
5811 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_mac, | |
5812 | mac, n)) { | |
5813 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
5814 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC", | |
5815 | zvni->vni, | |
5816 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
5817 | ipaddr2str(&n->ip, buf1, sizeof(buf1))); | |
5818 | } | |
5819 | ||
7510e459 CS |
5820 | /* Check duplicate address detection for IP */ |
5821 | zebra_vxlan_dup_addr_detect_for_neigh(zvrf, n, | |
5822 | n->r_vtep_ip, | |
5823 | do_dad, | |
5824 | &is_dup_detect, | |
5825 | false); | |
f07e1c99 | 5826 | /* Install the entry. */ |
e22a946a CS |
5827 | if (!is_dup_detect) |
5828 | zvni_neigh_install(zvni, n); | |
f07e1c99 | 5829 | } |
5830 | ||
44bc8ae5 CS |
5831 | zvni_probe_neigh_on_mac_add(zvni, mac); |
5832 | ||
f07e1c99 | 5833 | /* Update seq number. */ |
5834 | n->rem_seq = seq; | |
5835 | } | |
5836 | ||
5837 | /* Process a remote MACIP delete from BGP. */ | |
5838 | static void process_remote_macip_del(vni_t vni, | |
5839 | struct ethaddr *macaddr, | |
9df2b997 | 5840 | uint16_t ipa_len, |
f07e1c99 | 5841 | struct ipaddr *ipaddr, |
5842 | struct in_addr vtep_ip) | |
5843 | { | |
5844 | zebra_vni_t *zvni; | |
5845 | zebra_mac_t *mac = NULL; | |
5846 | zebra_neigh_t *n = NULL; | |
5847 | struct interface *ifp = NULL; | |
5848 | struct zebra_if *zif = NULL; | |
67fb9374 CS |
5849 | struct zebra_ns *zns; |
5850 | struct zebra_l2info_vxlan *vxl; | |
5851 | struct zebra_vrf *zvrf; | |
f07e1c99 | 5852 | char buf[ETHER_ADDR_STRLEN]; |
5853 | char buf1[INET6_ADDRSTRLEN]; | |
5854 | ||
5855 | /* Locate VNI hash entry - expected to exist. */ | |
5856 | zvni = zvni_lookup(vni); | |
5857 | if (!zvni) { | |
5858 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5859 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
5860 | return; | |
5861 | } | |
5862 | ||
5863 | ifp = zvni->vxlan_if; | |
5864 | if (ifp) | |
5865 | zif = ifp->info; | |
5866 | if (!ifp || | |
5867 | !if_is_operative(ifp) || | |
5868 | !zif || | |
5869 | !zif->brslave_info.br_if) { | |
5870 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5871 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
5872 | vni); | |
5873 | return; | |
5874 | } | |
67fb9374 CS |
5875 | zns = zebra_ns_lookup(NS_DEFAULT); |
5876 | vxl = &zif->l2info.vxl; | |
f07e1c99 | 5877 | |
5878 | /* The remote VTEP specified is normally expected to exist, but | |
5879 | * it is possible that the peer may delete the VTEP before deleting | |
5880 | * any MACs referring to the VTEP, in which case the handler (see | |
5881 | * remote_vtep_del) would have already deleted the MACs. | |
5882 | */ | |
5883 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5884 | return; | |
5885 | ||
5886 | mac = zvni_mac_lookup(zvni, macaddr); | |
5887 | if (ipa_len) | |
5888 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5889 | ||
5890 | if (n && !mac) { | |
5891 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
5892 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5893 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
5894 | return; | |
5895 | } | |
5896 | ||
5897 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5898 | * more to do. Otherwise, uninstall the entry and then remove it. | |
5899 | */ | |
5900 | if (!mac && !n) | |
5901 | return; | |
5902 | ||
a36898e7 | 5903 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
67fb9374 | 5904 | |
f07e1c99 | 5905 | /* Ignore the delete if this mac is a gateway mac-ip */ |
67fb9374 | 5906 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
f07e1c99 | 5907 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { |
5908 | zlog_warn( | |
5909 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5910 | vni, | |
5911 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5912 | ipa_len ? " IP " : "", | |
5913 | ipa_len ? | |
5914 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
5915 | return; | |
5916 | } | |
5917 | ||
5918 | /* Uninstall remote neighbor or MAC. */ | |
5919 | if (n) { | |
67fb9374 CS |
5920 | if (zvrf->dad_freeze && |
5921 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE) && | |
5922 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) && | |
5923 | (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5924 | struct interface *vlan_if; | |
5925 | ||
5926 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
5927 | zif->brslave_info.br_if); | |
5928 | if (IS_ZEBRA_DEBUG_VXLAN) | |
d1accb2e DS |
5929 | zlog_debug( |
5930 | "%s: IP %s (flags 0x%x intf %s) is remote and duplicate, read kernel for local entry", | |
5931 | __PRETTY_FUNCTION__, | |
5932 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
5933 | n->flags, | |
5934 | vlan_if ? vlan_if->name : "Unknown"); | |
5935 | if (vlan_if) | |
5936 | neigh_read_specific_ip(ipaddr, vlan_if); | |
67fb9374 CS |
5937 | } |
5938 | ||
f07e1c99 | 5939 | /* When the MAC changes for an IP, it is possible the |
5940 | * client may update the new MAC before trying to delete the | |
5941 | * "old" neighbor (as these are two different MACIP routes). | |
5942 | * Do the delete only if the MAC matches. | |
5943 | */ | |
5944 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5945 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5946 | zvni_neigh_uninstall(zvni, n); | |
5947 | zvni_neigh_del(zvni, n); | |
fe697c6b | 5948 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 5949 | } |
5950 | } else { | |
67fb9374 CS |
5951 | /* DAD: when MAC is freeze state as remote learn event, |
5952 | * remote mac-ip delete event is received will result in freeze | |
5953 | * entry removal, first fetch kernel for the same entry present | |
5954 | * as LOCAL and reachable, avoid deleting this entry instead | |
5955 | * use kerenel local entry to update during unfreeze time. | |
5956 | */ | |
5957 | if (zvrf->dad_freeze && | |
5958 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) && | |
5959 | CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
5960 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5961 | zlog_debug("%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry", | |
5962 | __PRETTY_FUNCTION__, | |
5963 | prefix_mac2str(macaddr, buf, | |
5964 | sizeof(buf)), | |
5965 | mac->flags); | |
5966 | macfdb_read_specific_mac(zns, zif->brslave_info.br_if, | |
5967 | macaddr, vxl->access_vlan); | |
5968 | } | |
5969 | ||
f07e1c99 | 5970 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
5971 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
f3a930da AK |
5972 | /* |
5973 | * the remote sequence number in the auto mac entry | |
5974 | * needs to be reset to 0 as the mac entry may have | |
5975 | * been removed on all VTEPs (including | |
5976 | * the originating one) | |
5977 | */ | |
5978 | mac->rem_seq = 0; | |
f07e1c99 | 5979 | |
fe697c6b | 5980 | /* If all remote neighbors referencing a remote MAC |
5981 | * go away, we need to uninstall the MAC. | |
5982 | */ | |
5983 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 5984 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 5985 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
5986 | } | |
5987 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 5988 | zvni_mac_del(zvni, mac); |
fe697c6b | 5989 | else |
f07e1c99 | 5990 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
5991 | } | |
5992 | } | |
5993 | } | |
5994 | ||
5995 | ||
b7cfce93 MK |
5996 | /* Public functions */ |
5997 | ||
c48d9f5f MK |
5998 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
5999 | { | |
6000 | zebra_l3vni_t *zl3vni = NULL; | |
6001 | ||
6002 | zl3vni = zl3vni_lookup(vni); | |
6003 | if (!zl3vni) | |
6004 | return 0; | |
6005 | ||
6006 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
6007 | } | |
6008 | ||
2dbad57f | 6009 | /* handle evpn route in vrf table */ |
996c9314 LB |
6010 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
6011 | struct ipaddr *vtep_ip, | |
6012 | struct prefix *host_prefix) | |
2dbad57f | 6013 | { |
6014 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 6015 | struct ipaddr ipv4_vtep; |
2dbad57f | 6016 | |
6017 | zl3vni = zl3vni_from_vrf(vrf_id); | |
6018 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
6019 | return; | |
6020 | ||
3518f352 | 6021 | /* |
f50dc5e6 MK |
6022 | * add the next hop neighbor - |
6023 | * neigh to be installed is the ipv6 nexthop neigh | |
6024 | */ | |
3518f352 | 6025 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 6026 | |
f50dc5e6 MK |
6027 | /* |
6028 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
6029 | * address. Rmac is programmed against the ipv4 vtep because we only | |
6030 | * support ipv4 tunnels in the h/w right now | |
6031 | */ | |
6032 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
6033 | ipv4_vtep.ipa_type = IPADDR_V4; | |
6034 | if (vtep_ip->ipa_type == IPADDR_V6) | |
6035 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
6036 | &(ipv4_vtep.ipaddr_v4)); | |
6037 | else | |
6038 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
6039 | sizeof(struct in_addr)); | |
6040 | ||
3518f352 DS |
6041 | /* |
6042 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
6043 | * nexthop address |
6044 | */ | |
3518f352 | 6045 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 6046 | } |
6047 | ||
6048 | /* handle evpn vrf route delete */ | |
22e63104 | 6049 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
6050 | struct ipaddr *vtep_ip, |
6051 | struct prefix *host_prefix) | |
2dbad57f | 6052 | { |
6053 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 6054 | zebra_neigh_t *nh = NULL; |
6055 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 6056 | |
6057 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 6058 | if (!zl3vni) |
2dbad57f | 6059 | return; |
6060 | ||
22e63104 | 6061 | /* find the next hop entry and rmac entry */ |
6062 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
6063 | if (!nh) | |
6064 | return; | |
6065 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
6066 | ||
2dbad57f | 6067 | /* delete the next hop entry */ |
22e63104 | 6068 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 6069 | |
6070 | /* delete the rmac entry */ | |
22e63104 | 6071 | if (zrmac) |
6072 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
6073 | ||
2dbad57f | 6074 | } |
6075 | ||
996c9314 | 6076 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 6077 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
6078 | { |
6079 | zebra_l3vni_t *zl3vni = NULL; | |
6080 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 6081 | json_object *json = NULL; |
9aa741ea | 6082 | |
316f4ca4 MK |
6083 | if (!is_evpn_enabled()) { |
6084 | if (use_json) | |
6085 | vty_out(vty, "{}\n"); | |
9aa741ea | 6086 | return; |
316f4ca4 MK |
6087 | } |
6088 | ||
6089 | if (use_json) | |
6090 | json = json_object_new_object(); | |
9aa741ea MK |
6091 | |
6092 | zl3vni = zl3vni_lookup(l3vni); | |
6093 | if (!zl3vni) { | |
316f4ca4 MK |
6094 | if (use_json) |
6095 | vty_out(vty, "{}\n"); | |
6096 | else | |
0437e105 | 6097 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); |
9aa741ea MK |
6098 | return; |
6099 | } | |
6100 | ||
6101 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
6102 | if (!zrmac) { | |
316f4ca4 MK |
6103 | if (use_json) |
6104 | vty_out(vty, "{}\n"); | |
6105 | else | |
6106 | vty_out(vty, | |
0437e105 | 6107 | "%% Requested RMAC doesn't exist in L3-VNI %u", |
316f4ca4 | 6108 | l3vni); |
9aa741ea MK |
6109 | return; |
6110 | } | |
6111 | ||
316f4ca4 MK |
6112 | zl3vni_print_rmac(zrmac, vty, json); |
6113 | ||
6114 | if (use_json) { | |
6115 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6116 | json, JSON_C_TO_STRING_PRETTY)); | |
6117 | json_object_free(json); | |
6118 | } | |
9aa741ea | 6119 | } |
2dbad57f | 6120 | |
9f049418 | 6121 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
6122 | { |
6123 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 6124 | uint32_t num_rmacs; |
b7cfce93 MK |
6125 | struct rmac_walk_ctx wctx; |
6126 | json_object *json = NULL; | |
b7cfce93 MK |
6127 | |
6128 | if (!is_evpn_enabled()) | |
6129 | return; | |
6130 | ||
6131 | zl3vni = zl3vni_lookup(l3vni); | |
6132 | if (!zl3vni) { | |
6133 | if (use_json) | |
6134 | vty_out(vty, "{}\n"); | |
6135 | else | |
6136 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
6137 | return; | |
6138 | } | |
6139 | num_rmacs = hashcount(zl3vni->rmac_table); | |
6140 | if (!num_rmacs) | |
6141 | return; | |
6142 | ||
75223c9e | 6143 | if (use_json) |
b7cfce93 | 6144 | json = json_object_new_object(); |
b7cfce93 MK |
6145 | |
6146 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
6147 | wctx.vty = vty; | |
75223c9e | 6148 | wctx.json = json; |
b7cfce93 | 6149 | if (!use_json) { |
996c9314 | 6150 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 6151 | num_rmacs); |
4cce389e | 6152 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
6153 | } else |
6154 | json_object_int_add(json, "numRmacs", num_rmacs); | |
6155 | ||
6156 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
6157 | ||
6158 | if (use_json) { | |
b7cfce93 MK |
6159 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
6160 | json, JSON_C_TO_STRING_PRETTY)); | |
6161 | json_object_free(json); | |
6162 | } | |
6163 | } | |
6164 | ||
9f049418 | 6165 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 6166 | { |
b7cfce93 | 6167 | json_object *json = NULL; |
c0b4eaa4 | 6168 | void *args[2]; |
b7cfce93 MK |
6169 | |
6170 | if (!is_evpn_enabled()) { | |
6171 | if (use_json) | |
6172 | vty_out(vty, "{}\n"); | |
6173 | return; | |
6174 | } | |
6175 | ||
b7cfce93 MK |
6176 | if (use_json) |
6177 | json = json_object_new_object(); | |
6178 | ||
c0b4eaa4 MK |
6179 | args[0] = vty; |
6180 | args[1] = json; | |
89272910 | 6181 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 6182 | (void (*)(struct hash_bucket *, |
c0b4eaa4 MK |
6183 | void *))zl3vni_print_rmac_hash_all_vni, |
6184 | args); | |
b7cfce93 MK |
6185 | |
6186 | if (use_json) { | |
6187 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6188 | json, JSON_C_TO_STRING_PRETTY)); | |
6189 | json_object_free(json); | |
6190 | } | |
6191 | } | |
6192 | ||
996c9314 | 6193 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 6194 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
6195 | { |
6196 | zebra_l3vni_t *zl3vni = NULL; | |
6197 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 6198 | json_object *json = NULL; |
9aa741ea | 6199 | |
c0e519d3 MK |
6200 | if (!is_evpn_enabled()) { |
6201 | if (use_json) | |
6202 | vty_out(vty, "{}\n"); | |
9aa741ea | 6203 | return; |
c0e519d3 MK |
6204 | } |
6205 | ||
6206 | if (use_json) | |
6207 | json = json_object_new_object(); | |
9aa741ea MK |
6208 | |
6209 | zl3vni = zl3vni_lookup(l3vni); | |
6210 | if (!zl3vni) { | |
c0e519d3 MK |
6211 | if (use_json) |
6212 | vty_out(vty, "{}\n"); | |
6213 | else | |
6214 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
6215 | return; |
6216 | } | |
6217 | ||
6218 | n = zl3vni_nh_lookup(zl3vni, ip); | |
6219 | if (!n) { | |
c0e519d3 MK |
6220 | if (use_json) |
6221 | vty_out(vty, "{}\n"); | |
6222 | else | |
6223 | vty_out(vty, | |
6224 | "%% Requested next-hop not present for L3-VNI %u", | |
6225 | l3vni); | |
9aa741ea MK |
6226 | return; |
6227 | } | |
6228 | ||
c0e519d3 MK |
6229 | zl3vni_print_nh(n, vty, json); |
6230 | ||
6231 | if (use_json) { | |
6232 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6233 | json, JSON_C_TO_STRING_PRETTY)); | |
6234 | json_object_free(json); | |
6235 | } | |
9aa741ea MK |
6236 | } |
6237 | ||
9f049418 | 6238 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 6239 | { |
d7c0a89a | 6240 | uint32_t num_nh; |
2dbad57f | 6241 | struct nh_walk_ctx wctx; |
b7cfce93 | 6242 | json_object *json = NULL; |
b7cfce93 MK |
6243 | zebra_l3vni_t *zl3vni = NULL; |
6244 | ||
6245 | if (!is_evpn_enabled()) | |
6246 | return; | |
6247 | ||
6248 | zl3vni = zl3vni_lookup(l3vni); | |
6249 | if (!zl3vni) { | |
6250 | if (use_json) | |
6251 | vty_out(vty, "{}\n"); | |
6252 | else | |
6253 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
6254 | return; | |
6255 | } | |
6256 | ||
6257 | num_nh = hashcount(zl3vni->nh_table); | |
6258 | if (!num_nh) | |
6259 | return; | |
6260 | ||
9187f600 | 6261 | if (use_json) |
b7cfce93 | 6262 | json = json_object_new_object(); |
b7cfce93 | 6263 | |
2dbad57f | 6264 | wctx.vty = vty; |
9187f600 | 6265 | wctx.json = json; |
b7cfce93 | 6266 | if (!use_json) { |
996c9314 | 6267 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 6268 | num_nh); |
4cce389e | 6269 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 6270 | } else |
4cce389e | 6271 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
6272 | |
6273 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
6274 | ||
6275 | if (use_json) { | |
b7cfce93 MK |
6276 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
6277 | json, JSON_C_TO_STRING_PRETTY)); | |
6278 | json_object_free(json); | |
6279 | } | |
6280 | } | |
6281 | ||
9f049418 | 6282 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 6283 | { |
2dbad57f | 6284 | json_object *json = NULL; |
32798965 | 6285 | void *args[2]; |
2dbad57f | 6286 | |
6287 | if (!is_evpn_enabled()) { | |
6288 | if (use_json) | |
6289 | vty_out(vty, "{}\n"); | |
6290 | return; | |
6291 | } | |
6292 | ||
2dbad57f | 6293 | if (use_json) |
6294 | json = json_object_new_object(); | |
6295 | ||
32798965 MK |
6296 | args[0] = vty; |
6297 | args[1] = json; | |
89272910 | 6298 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 6299 | (void (*)(struct hash_bucket *, |
32798965 MK |
6300 | void *))zl3vni_print_nh_hash_all_vni, |
6301 | args); | |
2dbad57f | 6302 | |
6303 | if (use_json) { | |
6304 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6305 | json, JSON_C_TO_STRING_PRETTY)); | |
6306 | json_object_free(json); | |
6307 | } | |
b7cfce93 MK |
6308 | } |
6309 | ||
6310 | /* | |
6311 | * Display L3 VNI information (VTY command handler). | |
6312 | */ | |
9f049418 | 6313 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
6314 | { |
6315 | void *args[2]; | |
6316 | json_object *json = NULL; | |
6317 | zebra_l3vni_t *zl3vni = NULL; | |
6318 | ||
b2ee5a13 MK |
6319 | if (!is_evpn_enabled()) { |
6320 | if (use_json) | |
6321 | vty_out(vty, "{}\n"); | |
b7cfce93 | 6322 | return; |
b2ee5a13 | 6323 | } |
b7cfce93 MK |
6324 | |
6325 | zl3vni = zl3vni_lookup(vni); | |
6326 | if (!zl3vni) { | |
6327 | if (use_json) | |
6328 | vty_out(vty, "{}\n"); | |
6329 | else | |
6330 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6331 | return; | |
6332 | } | |
6333 | ||
6334 | if (use_json) | |
6335 | json = json_object_new_object(); | |
6336 | ||
b2ee5a13 MK |
6337 | args[0] = vty; |
6338 | args[1] = json; | |
b7cfce93 MK |
6339 | zl3vni_print(zl3vni, (void *)args); |
6340 | ||
6341 | if (use_json) { | |
6342 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6343 | json, JSON_C_TO_STRING_PRETTY)); | |
6344 | json_object_free(json); | |
6345 | } | |
6346 | } | |
6347 | ||
4cce389e MK |
6348 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
6349 | json_object *json_vrfs) | |
b7cfce93 | 6350 | { |
4cce389e MK |
6351 | char buf[ETHER_ADDR_STRLEN]; |
6352 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 6353 | |
4cce389e MK |
6354 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
6355 | if (!zl3vni) | |
b7cfce93 | 6356 | return; |
b7cfce93 | 6357 | |
4cce389e MK |
6358 | if (!json_vrfs) { |
6359 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 6360 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 6361 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 6362 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 6363 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 6364 | } else { |
4cce389e | 6365 | json_object *json_vrf = NULL; |
9df2b997 | 6366 | |
4cce389e | 6367 | json_vrf = json_object_new_object(); |
996c9314 | 6368 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
6369 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
6370 | json_object_string_add(json_vrf, "vxlanIntf", | |
6371 | zl3vni_vxlan_if_name(zl3vni)); | |
6372 | json_object_string_add(json_vrf, "sviIntf", | |
6373 | zl3vni_svi_if_name(zl3vni)); | |
6374 | json_object_string_add(json_vrf, "state", | |
6375 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
6376 | json_object_string_add( |
6377 | json_vrf, "routerMac", | |
6378 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 6379 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
6380 | } |
6381 | } | |
6382 | ||
6383 | /* | |
6384 | * Display Neighbors for a VNI (VTY command handler). | |
6385 | */ | |
6386 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 6387 | vni_t vni, bool use_json) |
b7cfce93 MK |
6388 | { |
6389 | zebra_vni_t *zvni; | |
d7c0a89a | 6390 | uint32_t num_neigh; |
b7cfce93 MK |
6391 | struct neigh_walk_ctx wctx; |
6392 | json_object *json = NULL; | |
6393 | ||
6394 | if (!is_evpn_enabled()) | |
6395 | return; | |
6396 | zvni = zvni_lookup(vni); | |
6397 | if (!zvni) { | |
6398 | if (use_json) | |
6399 | vty_out(vty, "{}\n"); | |
6400 | else | |
6401 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6402 | return; | |
6403 | } | |
6404 | num_neigh = hashcount(zvni->neigh_table); | |
6405 | if (!num_neigh) | |
6406 | return; | |
6407 | ||
6408 | if (use_json) | |
6409 | json = json_object_new_object(); | |
6410 | ||
6411 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6412 | * size, we try to be a bit more elegant in display by first computing | |
6413 | * the maximum width. | |
6414 | */ | |
6415 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6416 | wctx.zvni = zvni; | |
6417 | wctx.vty = vty; | |
6418 | wctx.addr_width = 15; | |
6419 | wctx.json = json; | |
6420 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6421 | ||
6422 | if (!use_json) { | |
6423 | vty_out(vty, | |
6424 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6425 | num_neigh); | |
40e0224a NS |
6426 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s %s\n", -wctx.addr_width, |
6427 | "IP", "Type", "State", "MAC", "Remote VTEP", "Seq #'s"); | |
b7cfce93 MK |
6428 | } else |
6429 | json_object_int_add(json, "numArpNd", num_neigh); | |
6430 | ||
6431 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
6432 | if (use_json) { | |
6433 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6434 | json, JSON_C_TO_STRING_PRETTY)); | |
6435 | json_object_free(json); | |
6436 | } | |
6437 | } | |
6438 | ||
6439 | /* | |
6440 | * Display neighbors across all VNIs (VTY command handler). | |
6441 | */ | |
6442 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
1374d4db | 6443 | bool print_dup, bool use_json) |
b7cfce93 MK |
6444 | { |
6445 | json_object *json = NULL; | |
1374d4db | 6446 | void *args[3]; |
b7cfce93 MK |
6447 | |
6448 | if (!is_evpn_enabled()) | |
6449 | return; | |
6450 | ||
6451 | if (use_json) | |
6452 | json = json_object_new_object(); | |
6453 | ||
6454 | args[0] = vty; | |
6455 | args[1] = json; | |
1374d4db CS |
6456 | args[2] = (void *)(ptrdiff_t)print_dup; |
6457 | ||
b7cfce93 | 6458 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 6459 | (void (*)(struct hash_bucket *, |
b7cfce93 MK |
6460 | void *))zvni_print_neigh_hash_all_vni, |
6461 | args); | |
6462 | if (use_json) { | |
6463 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6464 | json, JSON_C_TO_STRING_PRETTY)); | |
6465 | json_object_free(json); | |
6466 | } | |
6467 | } | |
6468 | ||
e3fac919 NS |
6469 | /* |
6470 | * Display neighbors across all VNIs in detail(VTY command handler). | |
6471 | */ | |
6472 | void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty, | |
6473 | struct zebra_vrf *zvrf, | |
6474 | bool print_dup, bool use_json) | |
6475 | { | |
6476 | json_object *json = NULL; | |
6477 | void *args[3]; | |
6478 | ||
6479 | if (!is_evpn_enabled()) | |
6480 | return; | |
6481 | ||
6482 | if (use_json) | |
6483 | json = json_object_new_object(); | |
6484 | ||
6485 | args[0] = vty; | |
6486 | args[1] = json; | |
6487 | args[2] = (void *)(ptrdiff_t)print_dup; | |
6488 | ||
6489 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 6490 | (void (*)(struct hash_bucket *, |
e3fac919 NS |
6491 | void *))zvni_print_neigh_hash_all_vni_detail, |
6492 | args); | |
6493 | if (use_json) { | |
6494 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6495 | json, JSON_C_TO_STRING_PRETTY)); | |
6496 | json_object_free(json); | |
6497 | } | |
6498 | } | |
6499 | ||
b7cfce93 MK |
6500 | /* |
6501 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
6502 | */ | |
6503 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
6504 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 6505 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
6506 | { |
6507 | zebra_vni_t *zvni; | |
6508 | zebra_neigh_t *n; | |
6509 | json_object *json = NULL; | |
6510 | ||
6511 | if (!is_evpn_enabled()) | |
6512 | return; | |
6513 | zvni = zvni_lookup(vni); | |
6514 | if (!zvni) { | |
6515 | if (use_json) | |
cd233079 CS |
6516 | vty_out(vty, "{}\n"); |
6517 | else | |
6518 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6519 | return; |
6520 | } | |
6521 | n = zvni_neigh_lookup(zvni, ip); | |
6522 | if (!n) { | |
cd233079 CS |
6523 | if (!use_json) |
6524 | vty_out(vty, | |
6525 | "%% Requested neighbor does not exist in VNI %u\n", | |
6526 | vni); | |
d62a17ae | 6527 | return; |
6528 | } | |
cd233079 CS |
6529 | if (use_json) |
6530 | json = json_object_new_object(); | |
6531 | ||
6532 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 6533 | |
cd233079 CS |
6534 | if (use_json) { |
6535 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6536 | json, JSON_C_TO_STRING_PRETTY)); | |
6537 | json_object_free(json); | |
6538 | } | |
cec2e17d | 6539 | } |
6540 | ||
6541 | /* | |
6542 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
6543 | * By definition, these are remote neighbors. | |
6544 | */ | |
d62a17ae | 6545 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 6546 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 6547 | bool use_json) |
cec2e17d | 6548 | { |
d62a17ae | 6549 | zebra_vni_t *zvni; |
d7c0a89a | 6550 | uint32_t num_neigh; |
d62a17ae | 6551 | struct neigh_walk_ctx wctx; |
cd233079 | 6552 | json_object *json = NULL; |
cec2e17d | 6553 | |
2853fed6 | 6554 | if (!is_evpn_enabled()) |
d62a17ae | 6555 | return; |
2853fed6 | 6556 | zvni = zvni_lookup(vni); |
d62a17ae | 6557 | if (!zvni) { |
cd233079 CS |
6558 | if (use_json) |
6559 | vty_out(vty, "{}\n"); | |
6560 | else | |
6561 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6562 | return; |
6563 | } | |
6564 | num_neigh = hashcount(zvni->neigh_table); | |
6565 | if (!num_neigh) | |
6566 | return; | |
cec2e17d | 6567 | |
d62a17ae | 6568 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
6569 | wctx.zvni = zvni; | |
6570 | wctx.vty = vty; | |
68e33151 | 6571 | wctx.addr_width = 15; |
d62a17ae | 6572 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
6573 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6574 | wctx.json = json; |
68e33151 | 6575 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 6576 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
6577 | |
6578 | if (use_json) { | |
6579 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6580 | json, JSON_C_TO_STRING_PRETTY)); | |
6581 | json_object_free(json); | |
6582 | } | |
cec2e17d | 6583 | } |
6584 | ||
1374d4db CS |
6585 | /* |
6586 | * Display Duplicate detected Neighbors for a VNI | |
6587 | * (VTY command handler). | |
6588 | */ | |
6589 | void zebra_vxlan_print_neigh_vni_dad(struct vty *vty, | |
6590 | struct zebra_vrf *zvrf, | |
6591 | vni_t vni, | |
6592 | bool use_json) | |
6593 | { | |
6594 | zebra_vni_t *zvni; | |
6595 | uint32_t num_neigh; | |
6596 | struct neigh_walk_ctx wctx; | |
6597 | json_object *json = NULL; | |
6598 | ||
6599 | if (!is_evpn_enabled()) | |
6600 | return; | |
6601 | ||
6602 | zvni = zvni_lookup(vni); | |
6603 | if (!zvni) { | |
6604 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6605 | return; | |
6606 | } | |
6607 | ||
6608 | num_neigh = hashcount(zvni->neigh_table); | |
6609 | if (!num_neigh) | |
6610 | return; | |
6611 | ||
6612 | num_neigh = num_dup_detected_neighs(zvni); | |
6613 | if (!num_neigh) | |
6614 | return; | |
6615 | ||
6616 | if (use_json) | |
6617 | json = json_object_new_object(); | |
6618 | ||
6619 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
6620 | * size, we try to be a bit more elegant in display by first computing | |
6621 | * the maximum width. | |
6622 | */ | |
6623 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6624 | wctx.zvni = zvni; | |
6625 | wctx.vty = vty; | |
6626 | wctx.addr_width = 15; | |
6627 | wctx.json = json; | |
6628 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
6629 | ||
6630 | if (!use_json) { | |
6631 | vty_out(vty, | |
6632 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
6633 | num_neigh); | |
6634 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
6635 | -wctx.addr_width, "IP", "Type", | |
6636 | "State", "MAC", "Remote VTEP"); | |
6637 | } else | |
6638 | json_object_int_add(json, "numArpNd", num_neigh); | |
6639 | ||
6640 | hash_iterate(zvni->neigh_table, zvni_print_dad_neigh_hash, &wctx); | |
6641 | ||
6642 | if (use_json) { | |
6643 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6644 | json, JSON_C_TO_STRING_PRETTY)); | |
6645 | json_object_free(json); | |
6646 | } | |
6647 | } | |
6648 | ||
cec2e17d | 6649 | /* |
6650 | * Display MACs for a VNI (VTY command handler). | |
6651 | */ | |
d62a17ae | 6652 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 6653 | vni_t vni, bool use_json) |
cec2e17d | 6654 | { |
d62a17ae | 6655 | zebra_vni_t *zvni; |
d7c0a89a | 6656 | uint32_t num_macs; |
d62a17ae | 6657 | struct mac_walk_ctx wctx; |
cd233079 CS |
6658 | json_object *json = NULL; |
6659 | json_object *json_mac = NULL; | |
cec2e17d | 6660 | |
2853fed6 | 6661 | if (!is_evpn_enabled()) |
d62a17ae | 6662 | return; |
2853fed6 | 6663 | zvni = zvni_lookup(vni); |
d62a17ae | 6664 | if (!zvni) { |
cd233079 CS |
6665 | if (use_json) |
6666 | vty_out(vty, "{}\n"); | |
6667 | else | |
6668 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6669 | return; |
6670 | } | |
790f8dc5 | 6671 | num_macs = num_valid_macs(zvni); |
d62a17ae | 6672 | if (!num_macs) |
6673 | return; | |
cec2e17d | 6674 | |
cd233079 CS |
6675 | if (use_json) { |
6676 | json = json_object_new_object(); | |
6677 | json_mac = json_object_new_object(); | |
6678 | } | |
6679 | ||
d62a17ae | 6680 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6681 | wctx.zvni = zvni; | |
6682 | wctx.vty = vty; | |
cd233079 | 6683 | wctx.json = json_mac; |
cec2e17d | 6684 | |
cd233079 CS |
6685 | if (!use_json) { |
6686 | vty_out(vty, | |
6687 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6688 | num_macs); | |
40e0224a NS |
6689 | vty_out(vty, "%-17s %-6s %-21s %-5s %s\n", "MAC", "Type", |
6690 | "Intf/Remote VTEP", "VLAN", "Seq #'s"); | |
cd233079 CS |
6691 | } else |
6692 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 6693 | |
d62a17ae | 6694 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
6695 | |
6696 | if (use_json) { | |
6697 | json_object_object_add(json, "macs", json_mac); | |
6698 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6699 | json, JSON_C_TO_STRING_PRETTY)); | |
6700 | json_object_free(json); | |
6701 | } | |
cec2e17d | 6702 | } |
6703 | ||
6704 | /* | |
6705 | * Display MACs for all VNIs (VTY command handler). | |
6706 | */ | |
cd233079 | 6707 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
1374d4db | 6708 | bool print_dup, bool use_json) |
cec2e17d | 6709 | { |
d62a17ae | 6710 | struct mac_walk_ctx wctx; |
cd233079 | 6711 | json_object *json = NULL; |
cec2e17d | 6712 | |
2853fed6 | 6713 | if (!is_evpn_enabled()) { |
cd233079 CS |
6714 | if (use_json) |
6715 | vty_out(vty, "{}\n"); | |
d62a17ae | 6716 | return; |
cd233079 CS |
6717 | } |
6718 | if (use_json) | |
6719 | json = json_object_new_object(); | |
6720 | ||
d62a17ae | 6721 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6722 | wctx.vty = vty; | |
cd233079 | 6723 | wctx.json = json; |
1374d4db | 6724 | wctx.print_dup = print_dup; |
d62a17ae | 6725 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6726 | |
6727 | if (use_json) { | |
6728 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6729 | json, JSON_C_TO_STRING_PRETTY)); | |
6730 | json_object_free(json); | |
6731 | } | |
cec2e17d | 6732 | } |
6733 | ||
cffe7580 NS |
6734 | /* |
6735 | * Display MACs in detail for all VNIs (VTY command handler). | |
6736 | */ | |
6737 | void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty, | |
6738 | struct zebra_vrf *zvrf, | |
6739 | bool print_dup, bool use_json) | |
6740 | { | |
6741 | struct mac_walk_ctx wctx; | |
6742 | json_object *json = NULL; | |
6743 | ||
6744 | if (!is_evpn_enabled()) { | |
6745 | if (use_json) | |
6746 | vty_out(vty, "{}\n"); | |
6747 | return; | |
6748 | } | |
6749 | if (use_json) | |
6750 | json = json_object_new_object(); | |
6751 | ||
6752 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6753 | wctx.vty = vty; | |
6754 | wctx.json = json; | |
6755 | wctx.print_dup = print_dup; | |
6756 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni_detail, | |
6757 | &wctx); | |
6758 | ||
6759 | if (use_json) { | |
6760 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6761 | json, JSON_C_TO_STRING_PRETTY)); | |
6762 | json_object_free(json); | |
6763 | } | |
6764 | } | |
6765 | ||
cec2e17d | 6766 | /* |
6767 | * Display MACs for all VNIs (VTY command handler). | |
6768 | */ | |
d62a17ae | 6769 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
6770 | struct zebra_vrf *zvrf, | |
9f049418 | 6771 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 6772 | { |
d62a17ae | 6773 | struct mac_walk_ctx wctx; |
cd233079 | 6774 | json_object *json = NULL; |
cec2e17d | 6775 | |
2853fed6 | 6776 | if (!is_evpn_enabled()) |
d62a17ae | 6777 | return; |
cd233079 CS |
6778 | |
6779 | if (use_json) | |
6780 | json = json_object_new_object(); | |
6781 | ||
d62a17ae | 6782 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
6783 | wctx.vty = vty; | |
6784 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
6785 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 6786 | wctx.json = json; |
d62a17ae | 6787 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
6788 | |
6789 | if (use_json) { | |
6790 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6791 | json, JSON_C_TO_STRING_PRETTY)); | |
6792 | json_object_free(json); | |
6793 | } | |
cec2e17d | 6794 | } |
6795 | ||
6796 | /* | |
6797 | * Display specific MAC for a VNI, if present (VTY command handler). | |
6798 | */ | |
d62a17ae | 6799 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
24cdbd0d DS |
6800 | vni_t vni, struct ethaddr *macaddr, |
6801 | bool use_json) | |
cec2e17d | 6802 | { |
d62a17ae | 6803 | zebra_vni_t *zvni; |
6804 | zebra_mac_t *mac; | |
24cdbd0d | 6805 | json_object *json = NULL; |
cec2e17d | 6806 | |
2853fed6 | 6807 | if (!is_evpn_enabled()) |
d62a17ae | 6808 | return; |
24cdbd0d | 6809 | |
2853fed6 | 6810 | zvni = zvni_lookup(vni); |
d62a17ae | 6811 | if (!zvni) { |
24cdbd0d DS |
6812 | if (use_json) |
6813 | vty_out(vty, "{}\n"); | |
6814 | else | |
6815 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 6816 | return; |
6817 | } | |
6818 | mac = zvni_mac_lookup(zvni, macaddr); | |
6819 | if (!mac) { | |
24cdbd0d DS |
6820 | if (use_json) |
6821 | vty_out(vty, "{}\n"); | |
6822 | else | |
6823 | vty_out(vty, | |
6824 | "%% Requested MAC does not exist in VNI %u\n", | |
6825 | vni); | |
d62a17ae | 6826 | return; |
6827 | } | |
cec2e17d | 6828 | |
24cdbd0d DS |
6829 | if (use_json) |
6830 | json = json_object_new_object(); | |
6831 | ||
6832 | zvni_print_mac(mac, vty, json); | |
cffe7580 NS |
6833 | if (use_json) { |
6834 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6835 | json, JSON_C_TO_STRING_PRETTY)); | |
6836 | json_object_free(json); | |
6837 | } | |
cec2e17d | 6838 | } |
6839 | ||
1374d4db CS |
6840 | /* Print Duplicate MACs per VNI */ |
6841 | void zebra_vxlan_print_macs_vni_dad(struct vty *vty, | |
6842 | struct zebra_vrf *zvrf, | |
6843 | vni_t vni, bool use_json) | |
6844 | { | |
6845 | zebra_vni_t *zvni; | |
6846 | struct mac_walk_ctx wctx; | |
6847 | uint32_t num_macs; | |
6848 | json_object *json = NULL; | |
6849 | json_object *json_mac = NULL; | |
6850 | ||
6851 | if (!is_evpn_enabled()) | |
6852 | return; | |
6853 | ||
6854 | zvni = zvni_lookup(vni); | |
6855 | if (!zvni) { | |
6856 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
6857 | return; | |
6858 | } | |
6859 | ||
6860 | num_macs = num_valid_macs(zvni); | |
6861 | if (!num_macs) | |
6862 | return; | |
6863 | ||
6864 | num_macs = num_dup_detected_macs(zvni); | |
6865 | if (!num_macs) | |
6866 | return; | |
6867 | ||
6868 | if (use_json) { | |
6869 | json = json_object_new_object(); | |
6870 | json_mac = json_object_new_object(); | |
6871 | } | |
6872 | ||
6873 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
6874 | wctx.zvni = zvni; | |
6875 | wctx.vty = vty; | |
6876 | wctx.json = json_mac; | |
6877 | ||
6878 | if (!use_json) { | |
6879 | vty_out(vty, | |
6880 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
6881 | num_macs); | |
6882 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
6883 | "Intf/Remote VTEP", "VLAN"); | |
6884 | } else | |
6885 | json_object_int_add(json, "numMacs", num_macs); | |
6886 | ||
6887 | hash_iterate(zvni->mac_table, zvni_print_dad_mac_hash, &wctx); | |
6888 | ||
6889 | if (use_json) { | |
6890 | json_object_object_add(json, "macs", json_mac); | |
6891 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
6892 | json, JSON_C_TO_STRING_PRETTY)); | |
6893 | json_object_free(json); | |
6894 | } | |
6895 | ||
6896 | } | |
6897 | ||
1883de66 CS |
6898 | int zebra_vxlan_clear_dup_detect_vni_mac(struct vty *vty, |
6899 | struct zebra_vrf *zvrf, | |
6900 | vni_t vni, struct ethaddr *macaddr) | |
09de9258 CS |
6901 | { |
6902 | zebra_vni_t *zvni; | |
6903 | zebra_mac_t *mac; | |
6904 | struct listnode *node = NULL; | |
6905 | zebra_neigh_t *nbr = NULL; | |
6906 | ||
6907 | if (!is_evpn_enabled()) | |
1883de66 CS |
6908 | return CMD_SUCCESS; |
6909 | ||
09de9258 CS |
6910 | zvni = zvni_lookup(vni); |
6911 | if (!zvni) { | |
6912 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 6913 | return CMD_WARNING; |
09de9258 CS |
6914 | } |
6915 | ||
6916 | mac = zvni_mac_lookup(zvni, macaddr); | |
6917 | if (!mac) { | |
6918 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
6919 | vni); | |
1883de66 | 6920 | return CMD_WARNING; |
09de9258 CS |
6921 | } |
6922 | ||
6923 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
6924 | vty_out(vty, "%% Requested MAC is not duplicate detected\n"); | |
1883de66 | 6925 | return CMD_WARNING; |
09de9258 CS |
6926 | } |
6927 | ||
6928 | /* Remove all IPs as duplicate associcated with this MAC */ | |
6929 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
6930 | /* For local neigh mark inactive so MACIP update is generated | |
6931 | * to BGP. This is a scenario where MAC update received | |
6932 | * and detected as duplicate which marked neigh as duplicate. | |
6933 | * Later local neigh update did not get a chance to relay | |
6934 | * to BGP. Similarly remote macip update, neigh needs to be | |
6935 | * installed locally. | |
6936 | */ | |
d4199657 CS |
6937 | if (zvrf->dad_freeze && |
6938 | CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
09de9258 CS |
6939 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
6940 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
6941 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
6942 | zvni_neigh_install(zvni, nbr); | |
6943 | } | |
6944 | ||
6945 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
6946 | nbr->dad_count = 0; | |
6947 | nbr->detect_start_time.tv_sec = 0; | |
6948 | nbr->dad_dup_detect_time = 0; | |
6949 | } | |
6950 | ||
6951 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
6952 | mac->dad_count = 0; | |
6953 | mac->detect_start_time.tv_sec = 0; | |
6954 | mac->detect_start_time.tv_usec = 0; | |
6955 | mac->dad_dup_detect_time = 0; | |
6956 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
6957 | ||
d4199657 CS |
6958 | /* warn-only action return */ |
6959 | if (!zvrf->dad_freeze) | |
6960 | return CMD_SUCCESS; | |
6961 | ||
09de9258 CS |
6962 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ |
6963 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6964 | /* Inform to BGP */ | |
6965 | if (zvni_mac_send_add_to_client(zvni->vni, | |
6966 | &mac->macaddr, | |
6967 | mac->flags, | |
6968 | mac->loc_seq)) | |
1883de66 | 6969 | return CMD_SUCCESS; |
09de9258 CS |
6970 | |
6971 | /* Process all neighbors associated with this MAC. */ | |
6972 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6973 | ||
6974 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
6975 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
6976 | ||
6977 | /* Install the entry. */ | |
6978 | zvni_mac_install(zvni, mac); | |
6979 | } | |
6980 | ||
1883de66 | 6981 | return CMD_SUCCESS; |
09de9258 CS |
6982 | } |
6983 | ||
1883de66 CS |
6984 | int zebra_vxlan_clear_dup_detect_vni_ip(struct vty *vty, |
6985 | struct zebra_vrf *zvrf, | |
6986 | vni_t vni, struct ipaddr *ip) | |
09de9258 CS |
6987 | { |
6988 | zebra_vni_t *zvni; | |
6989 | zebra_neigh_t *nbr; | |
6990 | zebra_mac_t *mac; | |
6991 | char buf[INET6_ADDRSTRLEN]; | |
6992 | char buf2[ETHER_ADDR_STRLEN]; | |
6993 | ||
6994 | if (!is_evpn_enabled()) | |
1883de66 | 6995 | return CMD_SUCCESS; |
09de9258 CS |
6996 | |
6997 | zvni = zvni_lookup(vni); | |
6998 | if (!zvni) { | |
6999 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 7000 | return CMD_WARNING; |
09de9258 CS |
7001 | } |
7002 | ||
7003 | nbr = zvni_neigh_lookup(zvni, ip); | |
7004 | if (!nbr) { | |
7005 | vty_out(vty, | |
7006 | "%% Requested host IP does not exist in VNI %u\n", | |
7007 | vni); | |
1883de66 | 7008 | return CMD_WARNING; |
09de9258 CS |
7009 | } |
7010 | ||
7011 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
7012 | ||
7013 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
7014 | vty_out(vty, | |
f79f7a7b | 7015 | "%% Requested host IP %s is not duplicate detected\n", |
09de9258 | 7016 | buf); |
1883de66 | 7017 | return CMD_WARNING; |
09de9258 CS |
7018 | } |
7019 | ||
7020 | mac = zvni_mac_lookup(zvni, &nbr->emac); | |
7021 | ||
7022 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
7023 | vty_out(vty, | |
7024 | "%% Requested IP's associated MAC %s is still in duplicate state\n", | |
7025 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2))); | |
1883de66 | 7026 | return CMD_WARNING_CONFIG_FAILED; |
09de9258 CS |
7027 | } |
7028 | ||
7029 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7030 | zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u", | |
7031 | __PRETTY_FUNCTION__, buf, nbr->flags, | |
7032 | nbr->loc_seq); | |
7033 | ||
7034 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
7035 | nbr->dad_count = 0; | |
7036 | nbr->detect_start_time.tv_sec = 0; | |
7037 | nbr->detect_start_time.tv_usec = 0; | |
7038 | nbr->dad_dup_detect_time = 0; | |
7039 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
7040 | ||
7041 | if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
7042 | zvni_neigh_send_add_to_client(zvni->vni, ip, | |
7043 | &nbr->emac, | |
7044 | nbr->flags, nbr->loc_seq); | |
7045 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
7046 | zvni_neigh_install(zvni, nbr); | |
7047 | } | |
7048 | ||
1883de66 | 7049 | return CMD_SUCCESS; |
09de9258 CS |
7050 | } |
7051 | ||
e3b78da8 | 7052 | static void zvni_clear_dup_mac_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
7053 | { |
7054 | struct mac_walk_ctx *wctx = ctxt; | |
7055 | zebra_mac_t *mac; | |
7056 | zebra_vni_t *zvni; | |
7057 | struct listnode *node = NULL; | |
7058 | zebra_neigh_t *nbr = NULL; | |
7059 | ||
e3b78da8 | 7060 | mac = (zebra_mac_t *)bucket->data; |
09de9258 CS |
7061 | if (!mac) |
7062 | return; | |
7063 | ||
7064 | zvni = wctx->zvni; | |
7065 | ||
7066 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
7067 | return; | |
7068 | ||
7069 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
7070 | mac->dad_count = 0; | |
7071 | mac->detect_start_time.tv_sec = 0; | |
7072 | mac->detect_start_time.tv_usec = 0; | |
7073 | mac->dad_dup_detect_time = 0; | |
7074 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
7075 | ||
7076 | /* Remove all IPs as duplicate associcated with this MAC */ | |
7077 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
7078 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL) | |
7079 | && nbr->dad_count) | |
7080 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
7081 | ||
7082 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
7083 | nbr->dad_count = 0; | |
7084 | nbr->detect_start_time.tv_sec = 0; | |
7085 | nbr->dad_dup_detect_time = 0; | |
7086 | } | |
7087 | ||
7088 | /* Local: Notify Peer VTEPs, Remote: Install the entry */ | |
7089 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
7090 | /* Inform to BGP */ | |
7091 | if (zvni_mac_send_add_to_client(zvni->vni, | |
7092 | &mac->macaddr, | |
7093 | mac->flags, mac->loc_seq)) | |
7094 | return; | |
7095 | ||
7096 | /* Process all neighbors associated with this MAC. */ | |
7097 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
7098 | ||
7099 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
7100 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
7101 | ||
7102 | /* Install the entry. */ | |
7103 | zvni_mac_install(zvni, mac); | |
7104 | } | |
7105 | } | |
7106 | ||
e3b78da8 | 7107 | static void zvni_clear_dup_neigh_hash(struct hash_bucket *bucket, void *ctxt) |
09de9258 CS |
7108 | { |
7109 | struct neigh_walk_ctx *wctx = ctxt; | |
7110 | zebra_neigh_t *nbr; | |
7111 | zebra_vni_t *zvni; | |
7112 | char buf[INET6_ADDRSTRLEN]; | |
7113 | ||
e3b78da8 | 7114 | nbr = (zebra_neigh_t *)bucket->data; |
09de9258 CS |
7115 | if (!nbr) |
7116 | return; | |
7117 | ||
7118 | zvni = wctx->zvni; | |
7119 | ||
7120 | if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) | |
7121 | return; | |
7122 | ||
7123 | if (IS_ZEBRA_DEBUG_VXLAN) { | |
7124 | ipaddr2str(&nbr->ip, buf, sizeof(buf)); | |
7125 | zlog_debug( | |
7126 | "%s: clear neigh %s dup state, flags 0x%x seq %u", | |
7127 | __PRETTY_FUNCTION__, buf, | |
7128 | nbr->flags, nbr->loc_seq); | |
7129 | } | |
7130 | ||
7131 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
7132 | nbr->dad_count = 0; | |
7133 | nbr->detect_start_time.tv_sec = 0; | |
7134 | nbr->detect_start_time.tv_usec = 0; | |
7135 | nbr->dad_dup_detect_time = 0; | |
7136 | THREAD_OFF(nbr->dad_ip_auto_recovery_timer); | |
7137 | ||
7138 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
7139 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, | |
7140 | &nbr->emac, | |
7141 | nbr->flags, nbr->loc_seq); | |
7142 | } else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
7143 | zvni_neigh_install(zvni, nbr); | |
7144 | } | |
7145 | } | |
7146 | ||
e3b78da8 | 7147 | static void zvni_clear_dup_detect_hash_vni_all(struct hash_bucket *bucket, |
09de9258 CS |
7148 | void **args) |
7149 | { | |
7150 | struct vty *vty; | |
7151 | zebra_vni_t *zvni; | |
7152 | struct zebra_vrf *zvrf; | |
7153 | struct mac_walk_ctx m_wctx; | |
7154 | struct neigh_walk_ctx n_wctx; | |
7155 | ||
e3b78da8 | 7156 | zvni = (zebra_vni_t *)bucket->data; |
09de9258 CS |
7157 | if (!zvni) |
7158 | return; | |
7159 | ||
7160 | vty = (struct vty *)args[0]; | |
7161 | zvrf = (struct zebra_vrf *)args[1]; | |
7162 | ||
7163 | if (hashcount(zvni->neigh_table)) { | |
7164 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
7165 | n_wctx.vty = vty; | |
7166 | n_wctx.zvni = zvni; | |
7167 | n_wctx.zvrf = zvrf; | |
7168 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
7169 | &n_wctx); | |
7170 | } | |
7171 | ||
7172 | if (num_valid_macs(zvni)) { | |
7173 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
7174 | m_wctx.zvni = zvni; | |
7175 | m_wctx.vty = vty; | |
7176 | m_wctx.zvrf = zvrf; | |
7177 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
7178 | } | |
7179 | ||
7180 | } | |
7181 | ||
1883de66 | 7182 | int zebra_vxlan_clear_dup_detect_vni_all(struct vty *vty, |
09de9258 CS |
7183 | struct zebra_vrf *zvrf) |
7184 | { | |
7185 | void *args[2]; | |
7186 | ||
7187 | if (!is_evpn_enabled()) | |
1883de66 | 7188 | return CMD_SUCCESS; |
09de9258 CS |
7189 | |
7190 | args[0] = vty; | |
7191 | args[1] = zvrf; | |
7192 | ||
7193 | hash_iterate(zvrf->vni_table, | |
e3b78da8 | 7194 | (void (*)(struct hash_bucket *, void *)) |
09de9258 CS |
7195 | zvni_clear_dup_detect_hash_vni_all, args); |
7196 | ||
1883de66 | 7197 | return CMD_SUCCESS; |
09de9258 CS |
7198 | } |
7199 | ||
1883de66 | 7200 | int zebra_vxlan_clear_dup_detect_vni(struct vty *vty, |
09de9258 CS |
7201 | struct zebra_vrf *zvrf, |
7202 | vni_t vni) | |
7203 | { | |
7204 | zebra_vni_t *zvni; | |
7205 | struct mac_walk_ctx m_wctx; | |
7206 | struct neigh_walk_ctx n_wctx; | |
7207 | ||
7208 | if (!is_evpn_enabled()) | |
1883de66 | 7209 | return CMD_SUCCESS; |
09de9258 CS |
7210 | |
7211 | zvni = zvni_lookup(vni); | |
7212 | if (!zvni) { | |
7213 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
1883de66 | 7214 | return CMD_WARNING; |
09de9258 CS |
7215 | } |
7216 | ||
7217 | if (hashcount(zvni->neigh_table)) { | |
7218 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
7219 | n_wctx.vty = vty; | |
7220 | n_wctx.zvni = zvni; | |
7221 | n_wctx.zvrf = zvrf; | |
7222 | hash_iterate(zvni->neigh_table, zvni_clear_dup_neigh_hash, | |
7223 | &n_wctx); | |
7224 | } | |
7225 | ||
7226 | if (num_valid_macs(zvni)) { | |
7227 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
7228 | m_wctx.zvni = zvni; | |
7229 | m_wctx.vty = vty; | |
7230 | m_wctx.zvrf = zvrf; | |
7231 | hash_iterate(zvni->mac_table, zvni_clear_dup_mac_hash, &m_wctx); | |
7232 | } | |
7233 | ||
1883de66 | 7234 | return CMD_SUCCESS; |
09de9258 CS |
7235 | } |
7236 | ||
cec2e17d | 7237 | /* |
7238 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
7239 | */ | |
d62a17ae | 7240 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 7241 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 7242 | bool use_json) |
cec2e17d | 7243 | { |
d62a17ae | 7244 | zebra_vni_t *zvni; |
d7c0a89a | 7245 | uint32_t num_macs; |
d62a17ae | 7246 | struct mac_walk_ctx wctx; |
cd233079 CS |
7247 | json_object *json = NULL; |
7248 | json_object *json_mac = NULL; | |
cec2e17d | 7249 | |
2853fed6 | 7250 | if (!is_evpn_enabled()) |
d62a17ae | 7251 | return; |
2853fed6 | 7252 | zvni = zvni_lookup(vni); |
d62a17ae | 7253 | if (!zvni) { |
cd233079 CS |
7254 | if (use_json) |
7255 | vty_out(vty, "{}\n"); | |
7256 | else | |
7257 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 7258 | return; |
7259 | } | |
790f8dc5 | 7260 | num_macs = num_valid_macs(zvni); |
d62a17ae | 7261 | if (!num_macs) |
7262 | return; | |
cd233079 CS |
7263 | |
7264 | if (use_json) { | |
7265 | json = json_object_new_object(); | |
7266 | json_mac = json_object_new_object(); | |
7267 | } | |
7268 | ||
d62a17ae | 7269 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
7270 | wctx.zvni = zvni; | |
7271 | wctx.vty = vty; | |
7272 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
7273 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 7274 | wctx.json = json_mac; |
d62a17ae | 7275 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
7276 | |
7277 | if (use_json) { | |
7278 | json_object_int_add(json, "numMacs", wctx.count); | |
7279 | if (wctx.count) | |
7280 | json_object_object_add(json, "macs", json_mac); | |
7281 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7282 | json, JSON_C_TO_STRING_PRETTY)); | |
7283 | json_object_free(json); | |
7284 | } | |
cec2e17d | 7285 | } |
7286 | ||
7287 | ||
7288 | /* | |
7289 | * Display VNI information (VTY command handler). | |
06931fdb LK |
7290 | * |
7291 | * use_json flag indicates that output should be in JSON format. | |
7292 | * json_array is non NULL when JSON output needs to be aggregated (by the | |
7293 | * caller) and then printed, otherwise, JSON evpn vni info is printed | |
7294 | * right away. | |
cec2e17d | 7295 | */ |
cd233079 | 7296 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
06931fdb | 7297 | bool use_json, json_object *json_array) |
cec2e17d | 7298 | { |
cd233079 CS |
7299 | json_object *json = NULL; |
7300 | void *args[2]; | |
1f2129ec | 7301 | zebra_l3vni_t *zl3vni = NULL; |
7302 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 7303 | |
2853fed6 | 7304 | if (!is_evpn_enabled()) |
d62a17ae | 7305 | return; |
4cce389e | 7306 | |
cd233079 CS |
7307 | if (use_json) |
7308 | json = json_object_new_object(); | |
06931fdb | 7309 | |
cd233079 CS |
7310 | args[0] = vty; |
7311 | args[1] = json; | |
4cce389e | 7312 | |
1f2129ec | 7313 | zl3vni = zl3vni_lookup(vni); |
7314 | if (zl3vni) { | |
4cce389e MK |
7315 | zl3vni_print(zl3vni, (void *)args); |
7316 | } else { | |
4cce389e | 7317 | zvni = zvni_lookup(vni); |
06931fdb LK |
7318 | if (zvni) |
7319 | zvni_print(zvni, (void *)args); | |
7320 | else if (!json) | |
7321 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4cce389e MK |
7322 | } |
7323 | ||
cd233079 | 7324 | if (use_json) { |
06931fdb LK |
7325 | /* |
7326 | * Each "json" object contains info about 1 VNI. | |
7327 | * When "json_array" is non-null, we aggreggate the json output | |
7328 | * into json_array and print it as a JSON array. | |
7329 | */ | |
7330 | if (json_array) | |
7331 | json_object_array_add(json_array, json); | |
7332 | else { | |
7333 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7334 | json, JSON_C_TO_STRING_PRETTY)); | |
7335 | json_object_free(json); | |
7336 | } | |
cd233079 | 7337 | } |
cec2e17d | 7338 | } |
7339 | ||
4cce389e | 7340 | /* Display all global details for EVPN */ |
088f1098 | 7341 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 7342 | { |
4cce389e MK |
7343 | int num_l2vnis = 0; |
7344 | int num_l3vnis = 0; | |
d4454626 | 7345 | int num_vnis = 0; |
cd233079 | 7346 | json_object *json = NULL; |
4cce389e | 7347 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 7348 | |
2853fed6 | 7349 | if (!is_evpn_enabled()) |
d62a17ae | 7350 | return; |
4cce389e | 7351 | |
530db8dc | 7352 | zvrf = zebra_vrf_get_evpn(); |
4cce389e MK |
7353 | if (!zvrf) |
7354 | return; | |
7355 | ||
89272910 | 7356 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 7357 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 7358 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
7359 | |
7360 | if (uj) { | |
cd233079 | 7361 | json = json_object_new_object(); |
ddd16ed5 MK |
7362 | json_object_string_add(json, "advertiseGatewayMacip", |
7363 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 7364 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
7365 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
7366 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
61d46eda CS |
7367 | if (zvrf->dup_addr_detect) |
7368 | json_object_boolean_true_add(json, | |
7369 | "isDuplicateAddrDetection"); | |
7370 | else | |
7371 | json_object_boolean_false_add(json, | |
7372 | "isDuplicateAddrDetection"); | |
7373 | json_object_int_add(json, "maxMoves", zvrf->dad_max_moves); | |
7374 | json_object_int_add(json, "detectionTime", zvrf->dad_time); | |
7375 | json_object_int_add(json, "detectionFreezeTime", | |
7376 | zvrf->dad_freeze_time); | |
7377 | ||
cd233079 | 7378 | } else { |
4cce389e MK |
7379 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
7380 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
7381 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
7382 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
278e26de CS |
7383 | vty_out(vty, "Advertise svi mac-ip: %s\n", |
7384 | zvrf->advertise_svi_macip ? "Yes" : "No"); | |
61d46eda CS |
7385 | vty_out(vty, "Duplicate address detection: %s\n", |
7386 | zvrf->dup_addr_detect ? "Enable" : "Disable"); | |
7387 | vty_out(vty, " Detection max-moves %u, time %d\n", | |
7388 | zvrf->dad_max_moves, zvrf->dad_time); | |
7389 | if (zvrf->dad_freeze) { | |
7390 | if (zvrf->dad_freeze_time) | |
7391 | vty_out(vty, " Detection freeze %u\n", | |
7392 | zvrf->dad_freeze_time); | |
7393 | else | |
7394 | vty_out(vty, " Detection freeze %s\n", | |
7395 | "permanent"); | |
7396 | } | |
cd233079 | 7397 | } |
4cce389e MK |
7398 | |
7399 | if (uj) { | |
7400 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7401 | json, JSON_C_TO_STRING_PRETTY)); | |
7402 | json_object_free(json); | |
7403 | } | |
7404 | } | |
7405 | ||
7406 | /* | |
7407 | * Display VNI hash table (VTY command handler). | |
7408 | */ | |
7409 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 7410 | bool use_json) |
4cce389e MK |
7411 | { |
7412 | json_object *json = NULL; | |
4cce389e MK |
7413 | void *args[2]; |
7414 | ||
7415 | if (!is_evpn_enabled()) | |
7416 | return; | |
7417 | ||
4cce389e MK |
7418 | if (use_json) |
7419 | json = json_object_new_object(); | |
7420 | else | |
996c9314 LB |
7421 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
7422 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
7423 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 7424 | |
cd233079 CS |
7425 | args[0] = vty; |
7426 | args[1] = json; | |
7427 | ||
4cce389e | 7428 | /* Display all L2-VNIs */ |
cd233079 | 7429 | hash_iterate(zvrf->vni_table, |
e3b78da8 | 7430 | (void (*)(struct hash_bucket *, void *))zvni_print_hash, |
cd233079 CS |
7431 | args); |
7432 | ||
4cce389e | 7433 | /* Display all L3-VNIs */ |
89272910 | 7434 | hash_iterate(zrouter.l3vni_table, |
e3b78da8 | 7435 | (void (*)(struct hash_bucket *, void *))zl3vni_print_hash, |
4cce389e MK |
7436 | args); |
7437 | ||
cd233079 CS |
7438 | if (use_json) { |
7439 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
7440 | json, JSON_C_TO_STRING_PRETTY)); | |
7441 | json_object_free(json); | |
7442 | } | |
cec2e17d | 7443 | } |
7444 | ||
3950b52c CS |
7445 | void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS) |
7446 | { | |
7447 | struct stream *s; | |
7448 | int time = 0; | |
7449 | uint32_t max_moves = 0; | |
7450 | uint32_t freeze_time = 0; | |
7451 | bool dup_addr_detect = false; | |
7452 | bool freeze = false; | |
7453 | ||
7454 | s = msg; | |
7455 | STREAM_GETL(s, dup_addr_detect); | |
7456 | STREAM_GETL(s, time); | |
7457 | STREAM_GETL(s, max_moves); | |
7458 | STREAM_GETL(s, freeze); | |
7459 | STREAM_GETL(s, freeze_time); | |
7460 | ||
09de9258 CS |
7461 | /* DAD previous state was enabled, and new state is disable, |
7462 | * clear all duplicate detected addresses. | |
7463 | */ | |
7464 | if (zvrf->dup_addr_detect && !dup_addr_detect) | |
7465 | zebra_vxlan_clear_dup_detect_vni_all(NULL, zvrf); | |
7466 | ||
3950b52c CS |
7467 | zvrf->dup_addr_detect = dup_addr_detect; |
7468 | zvrf->dad_time = time; | |
7469 | zvrf->dad_max_moves = max_moves; | |
7470 | zvrf->dad_freeze = freeze; | |
7471 | zvrf->dad_freeze_time = freeze_time; | |
7472 | ||
7473 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7474 | zlog_debug( | |
6005fe55 CS |
7475 | "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u", |
7476 | vrf_id_to_name(zvrf->vrf->vrf_id), | |
3950b52c CS |
7477 | zvrf->dup_addr_detect ? "enable" : "disable", |
7478 | zvrf->dad_max_moves, | |
7479 | zvrf->dad_time, | |
7480 | zvrf->dad_freeze ? "enable" : "disable", | |
7481 | zvrf->dad_freeze_time); | |
7482 | ||
7483 | stream_failure: | |
7484 | return; | |
7485 | } | |
7486 | ||
09af6961 NS |
7487 | /* |
7488 | * Display VNI hash table in detail(VTY command handler). | |
7489 | */ | |
7490 | void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf, | |
7491 | bool use_json) | |
7492 | { | |
06931fdb | 7493 | json_object *json_array = NULL; |
09af6961 NS |
7494 | struct zebra_ns *zns = NULL; |
7495 | struct zvni_evpn_show zes; | |
7496 | ||
7497 | if (!is_evpn_enabled()) | |
7498 | return; | |
7499 | ||
7500 | zns = zebra_ns_lookup(NS_DEFAULT); | |
7501 | if (!zns) | |
7502 | return; | |
7503 | ||
09af6961 | 7504 | if (use_json) |
06931fdb | 7505 | json_array = json_object_new_array(); |
09af6961 NS |
7506 | |
7507 | zes.vty = vty; | |
06931fdb | 7508 | zes.json = json_array; |
09af6961 | 7509 | zes.zvrf = zvrf; |
06931fdb | 7510 | zes.use_json = use_json; |
09af6961 NS |
7511 | |
7512 | /* Display all L2-VNIs */ | |
2bcb1a7f QY |
7513 | hash_iterate( |
7514 | zvrf->vni_table, | |
7515 | (void (*)(struct hash_bucket *, void *))zvni_print_hash_detail, | |
7516 | &zes); | |
09af6961 NS |
7517 | |
7518 | /* Display all L3-VNIs */ | |
7519 | hash_iterate(zrouter.l3vni_table, | |
e3b78da8 | 7520 | (void (*)(struct hash_bucket *, |
09af6961 NS |
7521 | void *))zl3vni_print_hash_detail, |
7522 | &zes); | |
7523 | ||
7524 | if (use_json) { | |
2bcb1a7f QY |
7525 | vty_out(vty, "%s\n", |
7526 | json_object_to_json_string_ext( | |
06931fdb LK |
7527 | json_array, JSON_C_TO_STRING_PRETTY)); |
7528 | json_object_free(json_array); | |
09af6961 NS |
7529 | } |
7530 | } | |
7531 | ||
2232a77c | 7532 | /* |
ee69da27 MK |
7533 | * Handle neighbor delete notification from the kernel (on a VLAN device |
7534 | * / L3 interface). This may result in either the neighbor getting deleted | |
7535 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 7536 | * remote neighbor). |
7537 | */ | |
ee69da27 MK |
7538 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
7539 | struct interface *link_if, | |
7540 | struct ipaddr *ip) | |
d62a17ae | 7541 | { |
d62a17ae | 7542 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 7543 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
7544 | zebra_neigh_t *n = NULL; |
7545 | zebra_vni_t *zvni = NULL; | |
7546 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 7547 | zebra_l3vni_t *zl3vni = NULL; |
280c70ea | 7548 | struct zebra_vrf *zvrf; |
b7cfce93 | 7549 | |
8c9b80b9 | 7550 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 7551 | * next-hop |
7552 | */ | |
8c9b80b9 MK |
7553 | zl3vni = zl3vni_from_svi(ifp, link_if); |
7554 | if (zl3vni) | |
7555 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 7556 | |
7557 | /* We are only interested in neighbors on an SVI that resides on top | |
7558 | * of a VxLAN bridge. | |
7559 | */ | |
b7cfce93 | 7560 | zvni = zvni_from_svi(ifp, link_if); |
6041b686 CS |
7561 | if (!zvni) { |
7562 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7563 | zlog_debug("%s: Del neighbor %s VNI is not present for interface %s", | |
7564 | __PRETTY_FUNCTION__, | |
7565 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name); | |
d62a17ae | 7566 | return 0; |
6041b686 | 7567 | } |
8c9b80b9 | 7568 | |
d62a17ae | 7569 | if (!zvni->vxlan_if) { |
9df414fe | 7570 | zlog_debug( |
d62a17ae | 7571 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
7572 | zvni->vni, zvni); | |
7573 | return -1; | |
7574 | } | |
7575 | ||
7576 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 7577 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
7578 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
7579 | ifp->ifindex, zvni->vni); | |
d62a17ae | 7580 | |
7581 | /* If entry doesn't exist, nothing to do. */ | |
7582 | n = zvni_neigh_lookup(zvni, ip); | |
7583 | if (!n) | |
7584 | return 0; | |
7585 | ||
b6938a74 MK |
7586 | zmac = zvni_mac_lookup(zvni, &n->emac); |
7587 | if (!zmac) { | |
7588 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 7589 | zlog_debug( |
2853fed6 | 7590 | "Trying to del a neigh %s without a mac %s on VNI %u", |
7591 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
7592 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
7593 | zvni->vni); | |
7594 | ||
7595 | return 0; | |
7596 | } | |
7597 | ||
d62a17ae | 7598 | /* If it is a remote entry, the kernel has aged this out or someone has |
7599 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
7600 | */ | |
7601 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
7602 | zvni_neigh_install(zvni, n); | |
7603 | return 0; | |
7604 | } | |
7605 | ||
a36898e7 | 7606 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
280c70ea CS |
7607 | if (!zvrf) { |
7608 | zlog_debug("%s: VNI %u vrf lookup failed.", | |
7609 | __PRETTY_FUNCTION__, zvni->vni); | |
7610 | return -1; | |
7611 | } | |
7612 | ||
7613 | /* In case of feeze action, if local neigh is in duplicate state, | |
7614 | * Mark the Neigh as inactive before sending delete request to BGPd, | |
7615 | * If BGPd has remote entry, it will re-install | |
7616 | */ | |
7617 | if (zvrf->dad_freeze && | |
7618 | CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
7619 | ZEBRA_NEIGH_SET_INACTIVE(n); | |
7620 | ||
d62a17ae | 7621 | /* Remove neighbor from BGP. */ |
280c70ea | 7622 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0, n->state); |
d62a17ae | 7623 | |
7624 | /* Delete this neighbor entry. */ | |
7625 | zvni_neigh_del(zvni, n); | |
7626 | ||
b6938a74 MK |
7627 | /* see if the AUTO mac needs to be deleted */ |
7628 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 7629 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
7630 | zvni_mac_del(zvni, zmac); |
7631 | ||
d62a17ae | 7632 | return 0; |
2232a77c | 7633 | } |
7634 | ||
7635 | /* | |
ee69da27 MK |
7636 | * Handle neighbor add or update notification from the kernel (on a VLAN |
7637 | * device / L3 interface). This is typically for a local neighbor but can | |
7638 | * also be for a remote neighbor (e.g., ageout notification). It could | |
7639 | * also be a "move" scenario. | |
2232a77c | 7640 | */ |
ee69da27 MK |
7641 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
7642 | struct interface *link_if, | |
7643 | struct ipaddr *ip, | |
7644 | struct ethaddr *macaddr, | |
7645 | uint16_t state, | |
a37f4598 | 7646 | bool is_ext, |
7647 | bool is_router) | |
d62a17ae | 7648 | { |
d62a17ae | 7649 | char buf[ETHER_ADDR_STRLEN]; |
7650 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 7651 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 7652 | zebra_l3vni_t *zl3vni = NULL; |
7653 | ||
7654 | /* check if this is a remote neigh entry corresponding to remote | |
7655 | * next-hop | |
7656 | */ | |
7657 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
7658 | if (zl3vni) | |
7659 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 7660 | |
d62a17ae | 7661 | /* We are only interested in neighbors on an SVI that resides on top |
7662 | * of a VxLAN bridge. | |
7663 | */ | |
b7cfce93 | 7664 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 7665 | if (!zvni) |
7666 | return 0; | |
7667 | ||
d62a17ae | 7668 | if (IS_ZEBRA_DEBUG_VXLAN) |
7669 | zlog_debug( | |
54c17425 | 7670 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 7671 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 7672 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 7673 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
7674 | is_router ? "router " : "", | |
8c9b80b9 | 7675 | zvni->vni); |
d62a17ae | 7676 | |
ee69da27 | 7677 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 7678 | if (!is_ext) |
68e33151 | 7679 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 7680 | is_router); |
b7cfce93 | 7681 | |
ee69da27 | 7682 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 7683 | } |
7684 | ||
0bd371c6 DS |
7685 | static int32_t |
7686 | zebra_vxlan_remote_macip_helper(bool add, struct stream *s, vni_t *vni, | |
7687 | struct ethaddr *macaddr, uint16_t *ipa_len, | |
7688 | struct ipaddr *ip, struct in_addr *vtep_ip, | |
7689 | uint8_t *flags, uint32_t *seq) | |
7690 | { | |
7691 | uint16_t l = 0; | |
7692 | ||
7693 | /* | |
7694 | * Obtain each remote MACIP and process. | |
7695 | * Message contains VNI, followed by MAC followed by IP (if any) | |
7696 | * followed by remote VTEP IP. | |
7697 | */ | |
7698 | memset(ip, 0, sizeof(*ip)); | |
7699 | STREAM_GETL(s, *vni); | |
7700 | STREAM_GET(macaddr->octet, s, ETH_ALEN); | |
7701 | STREAM_GETL(s, *ipa_len); | |
7702 | ||
7703 | if (*ipa_len) { | |
7704 | if (*ipa_len == IPV4_MAX_BYTELEN) | |
7705 | ip->ipa_type = IPADDR_V4; | |
7706 | else if (*ipa_len == IPV6_MAX_BYTELEN) | |
7707 | ip->ipa_type = IPADDR_V6; | |
7708 | else { | |
7709 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7710 | zlog_debug( | |
7711 | "ipa_len *must* be %d or %d bytes in length not %d", | |
7712 | IPV4_MAX_BYTELEN, IPV6_MAX_BYTELEN, | |
7713 | *ipa_len); | |
7714 | goto stream_failure; | |
7715 | } | |
7716 | ||
7717 | STREAM_GET(&ip->ip.addr, s, *ipa_len); | |
7718 | } | |
7719 | l += 4 + ETH_ALEN + 4 + *ipa_len; | |
7720 | STREAM_GET(&vtep_ip->s_addr, s, IPV4_MAX_BYTELEN); | |
7721 | l += IPV4_MAX_BYTELEN; | |
7722 | ||
7723 | if (add) { | |
7724 | STREAM_GETC(s, *flags); | |
7725 | STREAM_GETL(s, *seq); | |
7726 | l += 5; | |
7727 | } | |
7728 | ||
7729 | return l; | |
7730 | ||
7731 | stream_failure: | |
7732 | return -1; | |
7733 | } | |
b682f6de | 7734 | |
2232a77c | 7735 | /* |
7736 | * Handle message from client to delete a remote MACIP for a VNI. | |
7737 | */ | |
89f4e507 | 7738 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 7739 | { |
7740 | struct stream *s; | |
7741 | vni_t vni; | |
7742 | struct ethaddr macaddr; | |
7743 | struct ipaddr ip; | |
7744 | struct in_addr vtep_ip; | |
9df2b997 | 7745 | uint16_t l = 0, ipa_len; |
d62a17ae | 7746 | char buf[ETHER_ADDR_STRLEN]; |
7747 | char buf1[INET6_ADDRSTRLEN]; | |
7748 | ||
b7cfce93 | 7749 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7750 | memset(&ip, 0, sizeof(struct ipaddr)); |
7751 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7752 | ||
1002497a | 7753 | s = msg; |
d62a17ae | 7754 | |
89f4e507 | 7755 | while (l < hdr->length) { |
0bd371c6 DS |
7756 | int res_length = zebra_vxlan_remote_macip_helper( |
7757 | false, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip, NULL, | |
7758 | NULL); | |
4824d144 | 7759 | |
0bd371c6 DS |
7760 | if (res_length == -1) |
7761 | goto stream_failure; | |
d62a17ae | 7762 | |
0bd371c6 | 7763 | l += res_length; |
d62a17ae | 7764 | if (IS_ZEBRA_DEBUG_VXLAN) |
7765 | zlog_debug( | |
f07e1c99 | 7766 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
7767 | vni, | |
d62a17ae | 7768 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7769 | ipa_len ? " IP " : "", |
7770 | ipa_len ? | |
7771 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 7772 | inet_ntoa(vtep_ip), |
7773 | zebra_route_string(client->proto)); | |
7774 | ||
f07e1c99 | 7775 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 7776 | } |
7777 | ||
ec93aa12 | 7778 | stream_failure: |
8068a649 | 7779 | return; |
2232a77c | 7780 | } |
7781 | ||
7782 | /* | |
7783 | * Handle message from client to add a remote MACIP for a VNI. This | |
7784 | * could be just the add of a MAC address or the add of a neighbor | |
7785 | * (IP+MAC). | |
7786 | */ | |
89f4e507 | 7787 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 7788 | { |
7789 | struct stream *s; | |
7790 | vni_t vni; | |
7791 | struct ethaddr macaddr; | |
7792 | struct ipaddr ip; | |
7793 | struct in_addr vtep_ip; | |
9df2b997 | 7794 | uint16_t l = 0, ipa_len; |
f07e1c99 | 7795 | uint8_t flags = 0; |
7796 | uint32_t seq; | |
d62a17ae | 7797 | char buf[ETHER_ADDR_STRLEN]; |
7798 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 7799 | |
b7cfce93 | 7800 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
7801 | memset(&ip, 0, sizeof(struct ipaddr)); |
7802 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
7803 | ||
ec93aa12 | 7804 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 7805 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 7806 | return; |
ec93aa12 | 7807 | } |
d62a17ae | 7808 | |
1002497a | 7809 | s = msg; |
d62a17ae | 7810 | |
89f4e507 | 7811 | while (l < hdr->length) { |
0bd371c6 DS |
7812 | int res_length = zebra_vxlan_remote_macip_helper( |
7813 | true, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip, | |
7814 | &flags, &seq); | |
d62a17ae | 7815 | |
0bd371c6 DS |
7816 | if (res_length == -1) |
7817 | goto stream_failure; | |
d62a17ae | 7818 | |
0bd371c6 | 7819 | l += res_length; |
d62a17ae | 7820 | if (IS_ZEBRA_DEBUG_VXLAN) |
7821 | zlog_debug( | |
f07e1c99 | 7822 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
7823 | vni, | |
d62a17ae | 7824 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 7825 | ipa_len ? " IP " : "", |
7826 | ipa_len ? | |
7827 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
7828 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 7829 | zebra_route_string(client->proto)); |
7830 | ||
f07e1c99 | 7831 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
7832 | flags, seq, vtep_ip); | |
d62a17ae | 7833 | } |
7834 | ||
ec93aa12 | 7835 | stream_failure: |
8068a649 | 7836 | return; |
13d60d35 | 7837 | } |
7838 | ||
7839 | /* | |
2232a77c | 7840 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
7841 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
7842 | * of any prior local MAC. | |
13d60d35 | 7843 | */ |
d62a17ae | 7844 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
7845 | struct interface *br_if, | |
7846 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7847 | { |
d62a17ae | 7848 | struct zebra_if *zif; |
d62a17ae | 7849 | struct zebra_l2info_vxlan *vxl; |
7850 | vni_t vni; | |
7851 | zebra_vni_t *zvni; | |
7852 | zebra_mac_t *mac; | |
7853 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 7854 | |
d62a17ae | 7855 | zif = ifp->info; |
7856 | assert(zif); | |
7857 | vxl = &zif->l2info.vxl; | |
7858 | vni = vxl->vni; | |
13d60d35 | 7859 | |
2853fed6 | 7860 | /* Check if EVPN is enabled. */ |
7861 | if (!is_evpn_enabled()) | |
d62a17ae | 7862 | return 0; |
13d60d35 | 7863 | |
d62a17ae | 7864 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7865 | zvni = zvni_lookup(vni); |
d62a17ae | 7866 | if (!zvni) |
7867 | return 0; | |
13d60d35 | 7868 | |
d62a17ae | 7869 | /* If entry doesn't exist, nothing to do. */ |
7870 | mac = zvni_mac_lookup(zvni, macaddr); | |
7871 | if (!mac) | |
7872 | return 0; | |
13d60d35 | 7873 | |
d62a17ae | 7874 | /* Is it a local entry? */ |
7875 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7876 | return 0; | |
13d60d35 | 7877 | |
d62a17ae | 7878 | if (IS_ZEBRA_DEBUG_VXLAN) |
7879 | zlog_debug( | |
5756dd1d | 7880 | "Add/update remote MAC %s intf %s(%u) VNI %u flags 0x%x - del local", |
996c9314 | 7881 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5756dd1d | 7882 | ifp->ifindex, vni, mac->flags); |
13d60d35 | 7883 | |
d62a17ae | 7884 | /* Remove MAC from BGP. */ |
e98e4b88 | 7885 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
13d60d35 | 7886 | |
b6938a74 MK |
7887 | /* |
7888 | * If there are no neigh associated with the mac delete the mac | |
7889 | * else mark it as AUTO for forward reference | |
7890 | */ | |
7891 | if (!listcount(mac->neigh_list)) { | |
7892 | zvni_mac_del(zvni, mac); | |
7893 | } else { | |
7894 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5756dd1d | 7895 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); |
b6938a74 MK |
7896 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
7897 | } | |
13d60d35 | 7898 | |
d62a17ae | 7899 | return 0; |
13d60d35 | 7900 | } |
7901 | ||
7902 | /* | |
2232a77c | 7903 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
7904 | * This can happen because the remote MAC entries are also added as "dynamic", | |
7905 | * so the kernel can ageout the entry. | |
13d60d35 | 7906 | */ |
d62a17ae | 7907 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
7908 | struct interface *br_if, | |
7909 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7910 | { |
a9a76262 MK |
7911 | struct zebra_if *zif = NULL; |
7912 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 7913 | vni_t vni; |
a9a76262 MK |
7914 | zebra_vni_t *zvni = NULL; |
7915 | zebra_l3vni_t *zl3vni = NULL; | |
7916 | zebra_mac_t *mac = NULL; | |
d62a17ae | 7917 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 7918 | |
d62a17ae | 7919 | zif = ifp->info; |
7920 | assert(zif); | |
7921 | vxl = &zif->l2info.vxl; | |
7922 | vni = vxl->vni; | |
2232a77c | 7923 | |
2853fed6 | 7924 | /* Check if EVPN is enabled. */ |
7925 | if (!is_evpn_enabled()) | |
d62a17ae | 7926 | return 0; |
2232a77c | 7927 | |
a9a76262 MK |
7928 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
7929 | zl3vni = zl3vni_lookup(vni); | |
7930 | if (zl3vni) | |
7931 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
7932 | ||
d62a17ae | 7933 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 7934 | zvni = zvni_lookup(vni); |
d62a17ae | 7935 | if (!zvni) |
7936 | return 0; | |
13d60d35 | 7937 | |
d62a17ae | 7938 | /* If entry doesn't exist, nothing to do. */ |
7939 | mac = zvni_mac_lookup(zvni, macaddr); | |
7940 | if (!mac) | |
7941 | return 0; | |
2232a77c | 7942 | |
d62a17ae | 7943 | /* Is it a remote entry? */ |
7944 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
7945 | return 0; | |
2232a77c | 7946 | |
d62a17ae | 7947 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 7948 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 7949 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
7950 | ifp->ifindex, vni); | |
13d60d35 | 7951 | |
d62a17ae | 7952 | zvni_mac_install(zvni, mac); |
7953 | return 0; | |
13d60d35 | 7954 | } |
7955 | ||
7956 | /* | |
2232a77c | 7957 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 7958 | */ |
d62a17ae | 7959 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
7960 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 7961 | { |
d62a17ae | 7962 | zebra_vni_t *zvni; |
7963 | zebra_mac_t *mac; | |
d62a17ae | 7964 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 7965 | |
d62a17ae | 7966 | /* We are interested in MACs only on ports or (port, VLAN) that |
7967 | * map to a VNI. | |
7968 | */ | |
7969 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
7970 | if (!zvni) | |
7971 | return 0; | |
7972 | if (!zvni->vxlan_if) { | |
9df414fe QY |
7973 | zlog_debug( |
7974 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
7975 | zvni->vni, zvni); | |
d62a17ae | 7976 | return -1; |
7977 | } | |
13d60d35 | 7978 | |
d62a17ae | 7979 | /* If entry doesn't exist, nothing to do. */ |
7980 | mac = zvni_mac_lookup(zvni, macaddr); | |
7981 | if (!mac) | |
7982 | return 0; | |
2232a77c | 7983 | |
d62a17ae | 7984 | /* Is it a local entry? */ |
7985 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
7986 | return 0; | |
2232a77c | 7987 | |
5756dd1d | 7988 | if (IS_ZEBRA_DEBUG_VXLAN) |
27547880 | 7989 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u seq %u flags 0x%x nbr count %u", |
5756dd1d | 7990 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
27547880 CS |
7991 | ifp->ifindex, vid, zvni->vni, mac->loc_seq, |
7992 | mac->flags, listcount(mac->neigh_list)); | |
5756dd1d | 7993 | |
b6938a74 | 7994 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 7995 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 7996 | |
f07e1c99 | 7997 | /* Remove MAC from BGP. */ |
e98e4b88 | 7998 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
f07e1c99 | 7999 | |
b6938a74 MK |
8000 | /* |
8001 | * If there are no neigh associated with the mac delete the mac | |
8002 | * else mark it as AUTO for forward reference | |
8003 | */ | |
8004 | if (!listcount(mac->neigh_list)) { | |
8005 | zvni_mac_del(zvni, mac); | |
8006 | } else { | |
8007 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5756dd1d | 8008 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); |
b6938a74 MK |
8009 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
8010 | } | |
2232a77c | 8011 | |
d62a17ae | 8012 | return 0; |
13d60d35 | 8013 | } |
8014 | ||
8015 | /* | |
2232a77c | 8016 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 8017 | */ |
d62a17ae | 8018 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
8019 | struct interface *br_if, | |
8020 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 8021 | bool sticky) |
d62a17ae | 8022 | { |
8023 | zebra_vni_t *zvni; | |
8024 | zebra_mac_t *mac; | |
e22a946a | 8025 | struct zebra_vrf *zvrf; |
d62a17ae | 8026 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 8027 | bool mac_sticky = false; |
8028 | bool inform_client = false; | |
8029 | bool upd_neigh = false; | |
a4445ece | 8030 | bool is_dup_detect = false; |
e22a946a | 8031 | struct in_addr vtep_ip = {.s_addr = 0}; |
d62a17ae | 8032 | |
8033 | /* We are interested in MACs only on ports or (port, VLAN) that | |
8034 | * map to a VNI. | |
8035 | */ | |
8036 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
8037 | if (!zvni) { | |
8038 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8039 | zlog_debug( | |
28bd0652 | 8040 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
2853fed6 | 8041 | sticky ? "sticky " : "", |
d62a17ae | 8042 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
8043 | ifp->name, ifp->ifindex, vid); | |
8044 | return 0; | |
8045 | } | |
8046 | ||
8047 | if (!zvni->vxlan_if) { | |
28bd0652 DS |
8048 | if (IS_ZEBRA_DEBUG_VXLAN) |
8049 | zlog_debug( | |
8050 | "\tVNI %u hash %p doesn't have intf upon local MAC ADD", | |
8051 | zvni->vni, zvni); | |
d62a17ae | 8052 | return -1; |
8053 | } | |
8054 | ||
a36898e7 | 8055 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
28bd0652 DS |
8056 | if (!zvrf) { |
8057 | if (IS_ZEBRA_DEBUG_VXLAN) | |
a36898e7 DS |
8058 | zlog_debug("\tNo Vrf found for vrf_id: %d", |
8059 | zvni->vxlan_if->vrf_id); | |
e22a946a | 8060 | return -1; |
28bd0652 | 8061 | } |
e22a946a | 8062 | |
f07e1c99 | 8063 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 8064 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 8065 | if (!mac) { |
8066 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8067 | zlog_debug( | |
8068 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
8069 | sticky ? "sticky " : "", | |
8070 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
8071 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 8072 | |
f07e1c99 | 8073 | mac = zvni_mac_add(zvni, macaddr); |
8074 | if (!mac) { | |
8075 | flog_err( | |
e914ccbe | 8076 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 8077 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
8078 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
8079 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
8080 | return -1; | |
8081 | } | |
8082 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
8083 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
8084 | mac->fwd_info.local.vid = vid; | |
8085 | if (sticky) | |
8086 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
8087 | inform_client = true; | |
8088 | ||
8089 | } else { | |
8090 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8091 | zlog_debug( | |
8092 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
8093 | sticky ? "sticky " : "", | |
8094 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
8095 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
8096 | mac->flags); | |
8097 | ||
8098 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
8099 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
8100 | mac_sticky = true; | |
b6938a74 | 8101 | |
b8ce75a5 | 8102 | /* |
f07e1c99 | 8103 | * Update any changes and if changes are relevant to |
8104 | * BGP, note it. | |
b8ce75a5 | 8105 | */ |
d62a17ae | 8106 | if (mac_sticky == sticky |
8107 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
8108 | && mac->fwd_info.local.vid == vid) { | |
8109 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8110 | zlog_debug( | |
28bd0652 | 8111 | "\tAdd/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 8112 | "entry exists and has not changed ", |
d62a17ae | 8113 | sticky ? "sticky " : "", |
8114 | prefix_mac2str(macaddr, buf, | |
8115 | sizeof(buf)), | |
8116 | ifp->name, ifp->ifindex, vid, | |
8117 | zvni->vni); | |
8118 | return 0; | |
b6938a74 | 8119 | } |
f07e1c99 | 8120 | if (mac_sticky != sticky) { |
8121 | if (sticky) | |
8122 | SET_FLAG(mac->flags, | |
8123 | ZEBRA_MAC_STICKY); | |
8124 | else | |
8125 | UNSET_FLAG(mac->flags, | |
8126 | ZEBRA_MAC_STICKY); | |
8127 | inform_client = true; | |
8128 | } | |
8129 | ||
8130 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
8131 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
8132 | mac->fwd_info.local.vid = vid; | |
8133 | ||
8134 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
8135 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
e22a946a | 8136 | bool do_dad = false; |
f07e1c99 | 8137 | |
421bb26a | 8138 | /* |
f07e1c99 | 8139 | * MAC has either moved or was "internally" created due |
8140 | * to a neighbor learn and is now actually learnt. If | |
8141 | * it was learnt as a remote sticky MAC, this is an | |
8142 | * operator error. | |
421bb26a | 8143 | */ |
8f4b98ee | 8144 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 8145 | flog_warn( |
e914ccbe | 8146 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 8147 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
8148 | prefix_mac2str(macaddr, buf, |
8149 | sizeof(buf)), | |
8150 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
8151 | zvni->vni); | |
8f4b98ee MK |
8152 | return 0; |
8153 | } | |
d62a17ae | 8154 | |
f07e1c99 | 8155 | /* If an actual move, compute MAC's seq number */ |
e22a946a | 8156 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
f07e1c99 | 8157 | mac->loc_seq = MAX(mac->rem_seq + 1, |
8158 | mac->loc_seq); | |
e22a946a CS |
8159 | vtep_ip = mac->fwd_info.r_vtep_ip; |
8160 | /* Trigger DAD for remote MAC */ | |
8161 | do_dad = true; | |
8162 | } | |
8163 | ||
f07e1c99 | 8164 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
8165 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
8166 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
8167 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
8168 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
8169 | mac->fwd_info.local.vid = vid; | |
8170 | if (sticky) | |
8171 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
8172 | else | |
8173 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
8174 | /* | |
8175 | * We have to inform BGP of this MAC as well as process | |
8176 | * all neighbors. | |
8177 | */ | |
8178 | inform_client = true; | |
8179 | upd_neigh = true; | |
e22a946a | 8180 | |
bdca1974 CS |
8181 | zebra_vxlan_dup_addr_detect_for_mac(zvrf, mac, vtep_ip, |
8182 | do_dad, | |
a4445ece | 8183 | &is_dup_detect, |
bdca1974 | 8184 | true); |
a4445ece CS |
8185 | if (is_dup_detect) { |
8186 | inform_client = false; | |
8187 | upd_neigh = false; | |
8188 | } | |
d62a17ae | 8189 | } |
8190 | } | |
8191 | ||
d62a17ae | 8192 | /* Inform BGP if required. */ |
f07e1c99 | 8193 | if (inform_client) { |
8194 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
8195 | mac->flags, mac->loc_seq)) | |
8196 | return -1; | |
b6938a74 | 8197 | } |
d62a17ae | 8198 | |
f07e1c99 | 8199 | /* Process all neighbors associated with this MAC, if required. */ |
8200 | if (upd_neigh) | |
8201 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
8202 | ||
d62a17ae | 8203 | return 0; |
2232a77c | 8204 | } |
13d60d35 | 8205 | |
8206 | /* | |
8207 | * Handle message from client to delete a remote VTEP for a VNI. | |
8208 | */ | |
89f4e507 | 8209 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 8210 | { |
8211 | struct stream *s; | |
d7c0a89a | 8212 | unsigned short l = 0; |
d62a17ae | 8213 | vni_t vni; |
8214 | struct in_addr vtep_ip; | |
8215 | zebra_vni_t *zvni; | |
8216 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 8217 | struct interface *ifp; |
8218 | struct zebra_if *zif; | |
d62a17ae | 8219 | |
ec93aa12 | 8220 | if (!is_evpn_enabled()) { |
9df414fe | 8221 | zlog_debug( |
996c9314 LB |
8222 | "%s: EVPN is not enabled yet we have received a vtep del command", |
8223 | __PRETTY_FUNCTION__); | |
8068a649 | 8224 | return; |
ec93aa12 DS |
8225 | } |
8226 | ||
986512a3 | 8227 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
8228 | zlog_debug("Recv MACIP DEL for non-EVPN VRF %u", |
8229 | zvrf_id(zvrf)); | |
8068a649 | 8230 | return; |
2853fed6 | 8231 | } |
8232 | ||
1002497a | 8233 | s = msg; |
d62a17ae | 8234 | |
89f4e507 | 8235 | while (l < hdr->length) { |
694bd4ce | 8236 | int flood_control __attribute__((unused)); |
8a64de72 | 8237 | |
d62a17ae | 8238 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 8239 | STREAM_GETL(s, vni); |
d62a17ae | 8240 | l += 4; |
ec93aa12 | 8241 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 8242 | l += IPV4_MAX_BYTELEN; |
8243 | ||
8a64de72 DS |
8244 | /* Flood control is intentionally ignored right now */ |
8245 | STREAM_GETL(s, flood_control); | |
8246 | l += 4; | |
8247 | ||
d62a17ae | 8248 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 8249 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
8250 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 8251 | zebra_route_string(client->proto)); |
8252 | ||
8253 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 8254 | zvni = zvni_lookup(vni); |
d62a17ae | 8255 | if (!zvni) { |
8256 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8257 | zlog_debug( | |
8258 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 8259 | "VNI %u", |
8260 | vni); | |
d62a17ae | 8261 | continue; |
8262 | } | |
8263 | ||
b5ebdc9b | 8264 | ifp = zvni->vxlan_if; |
8265 | if (!ifp) { | |
9df414fe | 8266 | zlog_debug( |
60466a63 QY |
8267 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
8268 | zvni->vni, zvni); | |
b682f6de | 8269 | continue; |
b5ebdc9b | 8270 | } |
8271 | zif = ifp->info; | |
8272 | ||
8273 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 8274 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 8275 | continue; |
8276 | ||
d62a17ae | 8277 | /* If the remote VTEP does not exist, there's nothing more to |
8278 | * do. | |
8279 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
8280 | * and | |
8281 | * then, the VTEP entry itself and remove it. | |
8282 | */ | |
8283 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
8284 | if (!zvtep) | |
8285 | continue; | |
8286 | ||
8287 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
8288 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
8289 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
8290 | zvni_vtep_del(zvni, zvtep); | |
8291 | } | |
8292 | ||
ec93aa12 | 8293 | stream_failure: |
8068a649 | 8294 | return; |
13d60d35 | 8295 | } |
8296 | ||
8297 | /* | |
8298 | * Handle message from client to add a remote VTEP for a VNI. | |
8299 | */ | |
89f4e507 | 8300 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 8301 | { |
8302 | struct stream *s; | |
d7c0a89a | 8303 | unsigned short l = 0; |
d62a17ae | 8304 | vni_t vni; |
8305 | struct in_addr vtep_ip; | |
8306 | zebra_vni_t *zvni; | |
b5ebdc9b | 8307 | struct interface *ifp; |
8308 | struct zebra_if *zif; | |
9718c54e AK |
8309 | int flood_control; |
8310 | zebra_vtep_t *zvtep; | |
d62a17ae | 8311 | |
ec93aa12 | 8312 | if (!is_evpn_enabled()) { |
9df414fe | 8313 | zlog_debug( |
996c9314 LB |
8314 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
8315 | __PRETTY_FUNCTION__); | |
8068a649 | 8316 | return; |
ec93aa12 DS |
8317 | } |
8318 | ||
986512a3 | 8319 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
8320 | zlog_debug("Recv MACIP ADD for non-EVPN VRF %u", |
8321 | zvrf_id(zvrf)); | |
8068a649 | 8322 | return; |
2853fed6 | 8323 | } |
d62a17ae | 8324 | |
1002497a | 8325 | s = msg; |
d62a17ae | 8326 | |
89f4e507 | 8327 | while (l < hdr->length) { |
d62a17ae | 8328 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 8329 | STREAM_GETL(s, vni); |
d62a17ae | 8330 | l += 4; |
ec93aa12 | 8331 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
9718c54e | 8332 | STREAM_GETL(s, flood_control); |
8a64de72 | 8333 | l += IPV4_MAX_BYTELEN + 4; |
d62a17ae | 8334 | |
8335 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9718c54e AK |
8336 | zlog_debug("Recv VTEP_ADD %s VNI %u flood %d from %s", |
8337 | inet_ntoa(vtep_ip), vni, flood_control, | |
8338 | zebra_route_string(client->proto)); | |
d62a17ae | 8339 | |
8340 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 8341 | zvni = zvni_lookup(vni); |
d62a17ae | 8342 | if (!zvni) { |
af4c2728 | 8343 | flog_err( |
e914ccbe | 8344 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 8345 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
8346 | vni); | |
d62a17ae | 8347 | continue; |
8348 | } | |
b5ebdc9b | 8349 | |
8350 | ifp = zvni->vxlan_if; | |
8351 | if (!ifp) { | |
af4c2728 | 8352 | flog_err( |
e914ccbe | 8353 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 8354 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
8355 | zvni->vni, zvni); | |
8356 | continue; | |
8357 | } | |
8358 | ||
b5ebdc9b | 8359 | zif = ifp->info; |
d62a17ae | 8360 | |
b5ebdc9b | 8361 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 8362 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 8363 | continue; |
8364 | ||
9718c54e AK |
8365 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
8366 | if (zvtep) { | |
8367 | /* If the remote VTEP already exists check if | |
8368 | * the flood mode has changed | |
8369 | */ | |
8370 | if (zvtep->flood_control != flood_control) { | |
8371 | if (zvtep->flood_control | |
8372 | == VXLAN_FLOOD_DISABLED) | |
8373 | /* old mode was head-end-replication but | |
8374 | * is no longer; get rid of the HER fdb | |
8375 | * entry installed before | |
8376 | */ | |
8377 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
8378 | zvtep->flood_control = flood_control; | |
8379 | zvni_vtep_install(zvni, zvtep); | |
8380 | } | |
8381 | } else { | |
8382 | zvtep = zvni_vtep_add(zvni, &vtep_ip, flood_control); | |
8383 | if (zvtep) | |
8384 | zvni_vtep_install(zvni, zvtep); | |
8385 | else | |
8386 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, | |
8387 | "Failed to add remote VTEP, VNI %u zvni %p", | |
8388 | vni, zvni); | |
d62a17ae | 8389 | } |
d62a17ae | 8390 | } |
8391 | ||
ec93aa12 | 8392 | stream_failure: |
8068a649 | 8393 | return; |
13d60d35 | 8394 | } |
8395 | ||
1a98c087 MK |
8396 | /* |
8397 | * Add/Del gateway macip to evpn | |
8398 | * g/w can be: | |
8399 | * 1. SVI interface on a vlan aware bridge | |
8400 | * 2. SVI interface on a vlan unaware bridge | |
8401 | * 3. vrr interface (MACVLAN) associated to a SVI | |
8402 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
8403 | */ | |
8404 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
8405 | int add) | |
8406 | { | |
8407 | struct ipaddr ip; | |
8408 | struct ethaddr macaddr; | |
8409 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
8410 | |
8411 | memset(&ip, 0, sizeof(struct ipaddr)); | |
8412 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
8413 | ||
2853fed6 | 8414 | /* Check if EVPN is enabled. */ |
8415 | if (!is_evpn_enabled()) | |
297a21b6 MK |
8416 | return 0; |
8417 | ||
1a98c087 MK |
8418 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
8419 | struct interface *svi_if = | |
8420 | NULL; /* SVI corresponding to the MACVLAN */ | |
8421 | struct zebra_if *ifp_zif = | |
8422 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
8423 | struct zebra_if *svi_if_zif = | |
8424 | NULL; /* Zebra daemon specific info for SVI*/ | |
8425 | ||
8426 | ifp_zif = ifp->info; | |
8427 | if (!ifp_zif) | |
8428 | return -1; | |
8429 | ||
71349e03 MK |
8430 | /* |
8431 | * for a MACVLAN interface the link represents the svi_if | |
8432 | */ | |
8433 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
8434 | ifp_zif->link_ifindex); | |
1a98c087 | 8435 | if (!svi_if) { |
9df414fe QY |
8436 | zlog_debug("MACVLAN %s(%u) without link information", |
8437 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
8438 | return -1; |
8439 | } | |
8440 | ||
8441 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
8442 | /* |
8443 | * If it is a vlan aware bridge then the link gives the | |
8444 | * bridge information | |
8445 | */ | |
8446 | struct interface *svi_if_link = NULL; | |
8447 | ||
1a98c087 | 8448 | svi_if_zif = svi_if->info; |
71349e03 MK |
8449 | if (svi_if_zif) { |
8450 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
8451 | zebra_ns_lookup(NS_DEFAULT), |
8452 | svi_if_zif->link_ifindex); | |
b7cfce93 | 8453 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 8454 | } |
1a98c087 | 8455 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
8456 | /* |
8457 | * If it is a vlan unaware bridge then svi is the bridge | |
8458 | * itself | |
8459 | */ | |
b7cfce93 | 8460 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
8461 | } |
8462 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
8463 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
8464 | NULL; /* Zebra daemon specific info for SVI */ |
8465 | struct interface *svi_if_link = | |
8466 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
8467 | |
8468 | svi_if_zif = ifp->info; | |
e3bb770c IS |
8469 | if (svi_if_zif) { |
8470 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
8471 | zebra_ns_lookup(NS_DEFAULT), |
8472 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
8473 | if (svi_if_link) |
8474 | zvni = zvni_from_svi(ifp, svi_if_link); | |
8475 | } | |
1a98c087 | 8476 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 8477 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
8478 | } |
8479 | ||
8480 | if (!zvni) | |
8481 | return 0; | |
8482 | ||
8483 | if (!zvni->vxlan_if) { | |
9df414fe QY |
8484 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
8485 | zvni->vni, zvni); | |
1a98c087 MK |
8486 | return -1; |
8487 | } | |
8488 | ||
1a98c087 | 8489 | |
1a98c087 MK |
8490 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
8491 | ||
8492 | if (p->family == AF_INET) { | |
8493 | ip.ipa_type = IPADDR_V4; | |
8494 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
8495 | sizeof(struct in_addr)); | |
8496 | } else if (p->family == AF_INET6) { | |
8497 | ip.ipa_type = IPADDR_V6; | |
8498 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
8499 | sizeof(struct in6_addr)); | |
8500 | } | |
8501 | ||
8502 | ||
8503 | if (add) | |
8504 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
8505 | else | |
8506 | zvni_gw_macip_del(ifp, zvni, &ip); | |
8507 | ||
8508 | return 0; | |
8509 | } | |
8510 | ||
2232a77c | 8511 | /* |
b7cfce93 MK |
8512 | * Handle SVI interface going down. |
8513 | * SVI can be associated to either L3-VNI or L2-VNI. | |
8514 | * For L2-VNI: At this point, this is a NOP since | |
8515 | * the kernel deletes the neighbor entries on this SVI (if any). | |
8516 | * We only need to update the vrf corresponding to zvni. | |
8517 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
8518 | * from bgp | |
2232a77c | 8519 | */ |
d62a17ae | 8520 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 8521 | { |
b7cfce93 MK |
8522 | zebra_l3vni_t *zl3vni = NULL; |
8523 | ||
8524 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
8525 | if (zl3vni) { | |
8526 | ||
8527 | /* process l3-vni down */ | |
8528 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8529 | ||
8530 | /* remove association with svi-if */ | |
8531 | zl3vni->svi_if = NULL; | |
8532 | } else { | |
8533 | zebra_vni_t *zvni = NULL; | |
8534 | ||
8535 | /* since we dont have svi corresponding to zvni, we associate it | |
8536 | * to default vrf. Note: the corresponding neigh entries on the | |
8537 | * SVI would have already been deleted */ | |
8538 | zvni = zvni_from_svi(ifp, link_if); | |
8539 | if (zvni) { | |
8540 | zvni->vrf_id = VRF_DEFAULT; | |
8541 | ||
8542 | /* update the tenant vrf in BGP */ | |
8543 | zvni_send_add_to_client(zvni); | |
8544 | } | |
8545 | } | |
d62a17ae | 8546 | return 0; |
2232a77c | 8547 | } |
8548 | ||
8549 | /* | |
b7cfce93 MK |
8550 | * Handle SVI interface coming up. |
8551 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
8552 | * vxlan intf). | |
8553 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
8554 | * apr-suppression) | |
8555 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 8556 | */ |
d62a17ae | 8557 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 8558 | { |
b7cfce93 MK |
8559 | zebra_vni_t *zvni = NULL; |
8560 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 8561 | |
b7cfce93 MK |
8562 | zl3vni = zl3vni_from_svi(ifp, link_if); |
8563 | if (zl3vni) { | |
2232a77c | 8564 | |
b7cfce93 MK |
8565 | /* associate with svi */ |
8566 | zl3vni->svi_if = ifp; | |
2232a77c | 8567 | |
b7cfce93 MK |
8568 | /* process oper-up */ |
8569 | if (is_l3vni_oper_up(zl3vni)) | |
8570 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8571 | } else { | |
8572 | ||
8573 | /* process SVI up for l2-vni */ | |
8574 | struct neigh_walk_ctx n_wctx; | |
8575 | ||
8576 | zvni = zvni_from_svi(ifp, link_if); | |
8577 | if (!zvni) | |
8578 | return 0; | |
8579 | ||
8580 | if (!zvni->vxlan_if) { | |
9df414fe | 8581 | zlog_debug( |
43e52561 QY |
8582 | "VNI %u hash %p doesn't have intf upon SVI up", |
8583 | zvni->vni, zvni); | |
b7cfce93 MK |
8584 | return -1; |
8585 | } | |
8586 | ||
8587 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8588 | zlog_debug( |
8589 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
8590 | ifp->name, ifp->ifindex, zvni->vni, | |
a36898e7 | 8591 | vrf_id_to_name(ifp->vrf_id)); |
2232a77c | 8592 | |
b7cfce93 | 8593 | /* update the vrf information for l2-vni and inform bgp */ |
a36898e7 | 8594 | zvni->vrf_id = ifp->vrf_id; |
b7cfce93 MK |
8595 | zvni_send_add_to_client(zvni); |
8596 | ||
8597 | /* Install any remote neighbors for this VNI. */ | |
8598 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
8599 | n_wctx.zvni = zvni; | |
996c9314 | 8600 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
8601 | &n_wctx); |
8602 | } | |
2232a77c | 8603 | |
d62a17ae | 8604 | return 0; |
2232a77c | 8605 | } |
8606 | ||
0056f687 CS |
8607 | /* |
8608 | * Handle MAC-VLAN interface going down. | |
8609 | * L3VNI: When MAC-VLAN interface goes down, | |
8610 | * find its associated SVI and update type2/type-5 routes | |
8611 | * with SVI as RMAC | |
8612 | */ | |
8613 | void zebra_vxlan_macvlan_down(struct interface *ifp) | |
8614 | { | |
8615 | zebra_l3vni_t *zl3vni = NULL; | |
8616 | struct zebra_if *zif, *link_zif; | |
8617 | struct interface *link_ifp, *link_if; | |
8618 | ||
8619 | zif = ifp->info; | |
8620 | assert(zif); | |
8621 | link_ifp = zif->link; | |
59260d4a | 8622 | if (!link_ifp) { |
65e76a9b CS |
8623 | if (IS_ZEBRA_DEBUG_VXLAN) { |
8624 | struct interface *ifp; | |
8625 | ||
8626 | ifp = if_lookup_by_index_all_vrf(zif->link_ifindex); | |
c1c292e7 CS |
8627 | zlog_debug("macvlan parent link is not found. Parent index %d ifp %s", |
8628 | zif->link_ifindex, ifp ? ifp->name : " "); | |
65e76a9b | 8629 | } |
59260d4a CS |
8630 | return; |
8631 | } | |
0056f687 CS |
8632 | link_zif = link_ifp->info; |
8633 | assert(link_zif); | |
8634 | ||
8635 | link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
8636 | link_zif->link_ifindex); | |
8637 | ||
8638 | zl3vni = zl3vni_from_svi(link_ifp, link_if); | |
8639 | if (zl3vni) { | |
8640 | zl3vni->mac_vlan_if = NULL; | |
8641 | if (is_l3vni_oper_up(zl3vni)) | |
8642 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8643 | } | |
8644 | } | |
8645 | ||
8646 | /* | |
8647 | * Handle MAC-VLAN interface going up. | |
8648 | * L3VNI: When MAC-VLAN interface comes up, | |
8649 | * find its associated SVI and update type-2 routes | |
8650 | * with MAC-VLAN's MAC as RMAC and for type-5 routes | |
8651 | * use SVI's MAC as RMAC. | |
8652 | */ | |
8653 | void zebra_vxlan_macvlan_up(struct interface *ifp) | |
8654 | { | |
8655 | zebra_l3vni_t *zl3vni = NULL; | |
8656 | struct zebra_if *zif, *link_zif; | |
8657 | struct interface *link_ifp, *link_if; | |
8658 | ||
8659 | zif = ifp->info; | |
8660 | assert(zif); | |
8661 | link_ifp = zif->link; | |
8662 | link_zif = link_ifp->info; | |
8663 | assert(link_zif); | |
8664 | ||
8665 | link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
8666 | link_zif->link_ifindex); | |
8667 | zl3vni = zl3vni_from_svi(link_ifp, link_if); | |
8668 | if (zl3vni) { | |
8669 | /* associate with macvlan (VRR) interface */ | |
8670 | zl3vni->mac_vlan_if = ifp; | |
8671 | ||
8672 | /* process oper-up */ | |
8673 | if (is_l3vni_oper_up(zl3vni)) | |
8674 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8675 | } | |
8676 | } | |
8677 | ||
13d60d35 | 8678 | /* |
b7cfce93 | 8679 | * Handle VxLAN interface down |
13d60d35 | 8680 | */ |
d62a17ae | 8681 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 8682 | { |
d62a17ae | 8683 | vni_t vni; |
b7cfce93 MK |
8684 | struct zebra_if *zif = NULL; |
8685 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8686 | zebra_l3vni_t *zl3vni = NULL; |
8687 | zebra_vni_t *zvni; | |
13d60d35 | 8688 | |
2853fed6 | 8689 | /* Check if EVPN is enabled. */ |
8690 | if (!is_evpn_enabled()) | |
d62a17ae | 8691 | return 0; |
13d60d35 | 8692 | |
d62a17ae | 8693 | zif = ifp->info; |
8694 | assert(zif); | |
8695 | vxl = &zif->l2info.vxl; | |
8696 | vni = vxl->vni; | |
13d60d35 | 8697 | |
643215ce | 8698 | zl3vni = zl3vni_lookup(vni); |
8699 | if (zl3vni) { | |
b7cfce93 | 8700 | /* process-if-down for l3-vni */ |
b7cfce93 | 8701 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8702 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
8703 | ifp->ifindex, vni); | |
b7cfce93 | 8704 | |
b7cfce93 | 8705 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
8706 | } else { |
8707 | /* process if-down for l2-vni */ | |
b7cfce93 | 8708 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8709 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
8710 | ifp->ifindex, vni); | |
13d60d35 | 8711 | |
b7cfce93 MK |
8712 | /* Locate hash entry; it is expected to exist. */ |
8713 | zvni = zvni_lookup(vni); | |
8714 | if (!zvni) { | |
9df414fe | 8715 | zlog_debug( |
b7cfce93 MK |
8716 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
8717 | ifp->name, ifp->ifindex, vni); | |
8718 | return -1; | |
8719 | } | |
13d60d35 | 8720 | |
b7cfce93 | 8721 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 8722 | |
b7cfce93 MK |
8723 | /* Delete this VNI from BGP. */ |
8724 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 8725 | |
b7cfce93 MK |
8726 | /* Free up all neighbors and MACs, if any. */ |
8727 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8728 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 8729 | |
b7cfce93 MK |
8730 | /* Free up all remote VTEPs, if any. */ |
8731 | zvni_vtep_del_all(zvni, 1); | |
8732 | } | |
d62a17ae | 8733 | return 0; |
13d60d35 | 8734 | } |
8735 | ||
8736 | /* | |
8737 | * Handle VxLAN interface up - update BGP if required. | |
8738 | */ | |
d62a17ae | 8739 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 8740 | { |
d62a17ae | 8741 | vni_t vni; |
b7cfce93 MK |
8742 | struct zebra_if *zif = NULL; |
8743 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8744 | zebra_vni_t *zvni = NULL; |
8745 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8746 | |
2853fed6 | 8747 | /* Check if EVPN is enabled. */ |
8748 | if (!is_evpn_enabled()) | |
d62a17ae | 8749 | return 0; |
13d60d35 | 8750 | |
d62a17ae | 8751 | zif = ifp->info; |
8752 | assert(zif); | |
8753 | vxl = &zif->l2info.vxl; | |
8754 | vni = vxl->vni; | |
13d60d35 | 8755 | |
643215ce | 8756 | zl3vni = zl3vni_lookup(vni); |
8757 | if (zl3vni) { | |
b7cfce93 | 8758 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 8759 | * svi-if only after association with vxlan-intf is complete |
8760 | */ | |
b7cfce93 | 8761 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
06d9cde5 CS |
8762 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); |
8763 | ||
8764 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8765 | zlog_debug("Intf %s(%u) L3-VNI %u is UP svi_if %s mac_vlan_if %s" | |
8766 | , ifp->name, ifp->ifindex, vni, | |
8767 | zl3vni->svi_if ? zl3vni->svi_if->name : "NIL", | |
8768 | zl3vni->mac_vlan_if ? | |
8769 | zl3vni->mac_vlan_if->name : "NIL"); | |
b7cfce93 MK |
8770 | |
8771 | if (is_l3vni_oper_up(zl3vni)) | |
8772 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
8773 | } else { | |
8774 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
8775 | struct interface *vlan_if = NULL; |
8776 | ||
8777 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8778 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
8779 | ifp->ifindex, vni); | |
b7cfce93 MK |
8780 | |
8781 | /* Locate hash entry; it is expected to exist. */ | |
8782 | zvni = zvni_lookup(vni); | |
8783 | if (!zvni) { | |
9df414fe | 8784 | zlog_debug( |
b7cfce93 MK |
8785 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
8786 | ifp->name, ifp->ifindex, vni); | |
8787 | return -1; | |
8788 | } | |
8789 | ||
8790 | assert(zvni->vxlan_if == ifp); | |
8791 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
8792 | zif->brslave_info.br_if); | |
8793 | if (vlan_if) { | |
a36898e7 DS |
8794 | zvni->vrf_id = vlan_if->vrf_id; |
8795 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
b7cfce93 MK |
8796 | if (zl3vni) |
8797 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
8798 | } | |
8799 | ||
8800 | /* If part of a bridge, inform BGP about this VNI. */ | |
8801 | /* Also, read and populate local MACs and neighbors. */ | |
8802 | if (zif->brslave_info.br_if) { | |
8803 | zvni_send_add_to_client(zvni); | |
8804 | zvni_read_mac_neigh(zvni, ifp); | |
8805 | } | |
d62a17ae | 8806 | } |
13d60d35 | 8807 | |
d62a17ae | 8808 | return 0; |
13d60d35 | 8809 | } |
8810 | ||
8811 | /* | |
8812 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
8813 | * and update BGP, if required. | |
8814 | */ | |
d62a17ae | 8815 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 8816 | { |
d62a17ae | 8817 | vni_t vni; |
b7cfce93 MK |
8818 | struct zebra_if *zif = NULL; |
8819 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8820 | zebra_vni_t *zvni = NULL; |
8821 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 8822 | |
2853fed6 | 8823 | /* Check if EVPN is enabled. */ |
8824 | if (!is_evpn_enabled()) | |
d62a17ae | 8825 | return 0; |
13d60d35 | 8826 | |
d62a17ae | 8827 | zif = ifp->info; |
8828 | assert(zif); | |
8829 | vxl = &zif->l2info.vxl; | |
8830 | vni = vxl->vni; | |
13d60d35 | 8831 | |
643215ce | 8832 | zl3vni = zl3vni_lookup(vni); |
8833 | if (zl3vni) { | |
b7cfce93 MK |
8834 | |
8835 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
8836 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
8837 | ifp->ifindex); | |
13d60d35 | 8838 | |
b7cfce93 MK |
8839 | /* process oper-down for l3-vni */ |
8840 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 8841 | |
b7cfce93 | 8842 | /* remove the association with vxlan_if */ |
b67a60d2 | 8843 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
8844 | zl3vni->vxlan_if = NULL; |
8845 | } else { | |
13d60d35 | 8846 | |
b7cfce93 | 8847 | /* process if-del for l2-vni*/ |
b7cfce93 | 8848 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
8849 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
8850 | ifp->ifindex); | |
b7cfce93 MK |
8851 | |
8852 | /* Locate hash entry; it is expected to exist. */ | |
8853 | zvni = zvni_lookup(vni); | |
8854 | if (!zvni) { | |
9df414fe | 8855 | zlog_debug( |
b7cfce93 MK |
8856 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
8857 | ifp->name, ifp->ifindex, vni); | |
8858 | return 0; | |
8859 | } | |
8860 | ||
8861 | /* remove from l3-vni list */ | |
8862 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
8863 | if (zl3vni) | |
8864 | listnode_delete(zl3vni->l2vnis, zvni); | |
8865 | ||
8866 | /* Delete VNI from BGP. */ | |
8867 | zvni_send_del_to_client(zvni->vni); | |
8868 | ||
8869 | /* Free up all neighbors and MAC, if any. */ | |
8870 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
8871 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
8872 | ||
8873 | /* Free up all remote VTEPs, if any. */ | |
8874 | zvni_vtep_del_all(zvni, 0); | |
8875 | ||
8876 | /* Delete the hash entry. */ | |
8877 | if (zvni_del(zvni)) { | |
e914ccbe | 8878 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
8879 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
8880 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
8881 | return -1; |
8882 | } | |
d62a17ae | 8883 | } |
d62a17ae | 8884 | return 0; |
13d60d35 | 8885 | } |
8886 | ||
8887 | /* | |
8888 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
8889 | */ | |
d7c0a89a | 8890 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 8891 | { |
d62a17ae | 8892 | vni_t vni; |
b7cfce93 MK |
8893 | struct zebra_if *zif = NULL; |
8894 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 8895 | zebra_vni_t *zvni = NULL; |
8896 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 8897 | |
2853fed6 | 8898 | /* Check if EVPN is enabled. */ |
8899 | if (!is_evpn_enabled()) | |
d62a17ae | 8900 | return 0; |
8901 | ||
8902 | zif = ifp->info; | |
8903 | assert(zif); | |
8904 | vxl = &zif->l2info.vxl; | |
8905 | vni = vxl->vni; | |
8906 | ||
643215ce | 8907 | zl3vni = zl3vni_lookup(vni); |
8908 | if (zl3vni) { | |
af026ae4 | 8909 | |
b7cfce93 MK |
8910 | if (IS_ZEBRA_DEBUG_VXLAN) |
8911 | zlog_debug( | |
8912 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8913 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8914 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8915 | zif->brslave_info.bridge_ifindex, chgflags); |
8916 | ||
8917 | /* Removed from bridge? Cleanup and return */ | |
8918 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8919 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8920 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8921 | return 0; | |
8922 | } | |
8923 | ||
8924 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 8925 | * svi_if and then process oper up again |
8926 | */ | |
b7cfce93 MK |
8927 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
8928 | if (if_is_operative(ifp)) { | |
8929 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8930 | zl3vni->svi_if = NULL; | |
8931 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
06d9cde5 CS |
8932 | zl3vni->mac_vlan_if = |
8933 | zl3vni_map_to_mac_vlan_if(zl3vni); | |
bca63dc8 | 8934 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
8935 | if (is_l3vni_oper_up(zl3vni)) |
8936 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8937 | zl3vni); |
b7cfce93 MK |
8938 | } |
8939 | } | |
d62a17ae | 8940 | |
12eeac84 MK |
8941 | /* |
8942 | * local-ip change - process oper down, associate with new | |
8943 | * local-ip and then process oper up again | |
8944 | */ | |
8945 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
8946 | if (if_is_operative(ifp)) { | |
8947 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
8948 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8949 | if (is_l3vni_oper_up(zl3vni)) | |
8950 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 8951 | zl3vni); |
12eeac84 MK |
8952 | } |
8953 | } | |
8954 | ||
bca63dc8 MK |
8955 | /* Update local tunnel IP. */ |
8956 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
8957 | ||
12eeac84 MK |
8958 | /* if we have a valid new master, process l3-vni oper up */ |
8959 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
8960 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
8961 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
8962 | } | |
8963 | } else { | |
d62a17ae | 8964 | |
b7cfce93 MK |
8965 | /* Update VNI hash. */ |
8966 | zvni = zvni_lookup(vni); | |
8967 | if (!zvni) { | |
9df414fe | 8968 | zlog_debug( |
b7cfce93 MK |
8969 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
8970 | ifp->name, ifp->ifindex, vni); | |
8971 | return -1; | |
8972 | } | |
d62a17ae | 8973 | |
b7cfce93 MK |
8974 | if (IS_ZEBRA_DEBUG_VXLAN) |
8975 | zlog_debug( | |
8976 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
8977 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
8978 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
8979 | zif->brslave_info.bridge_ifindex, chgflags); |
8980 | ||
8981 | /* Removed from bridge? Cleanup and return */ | |
8982 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
8983 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
8984 | /* Delete from client, remove all remote VTEPs */ | |
8985 | /* Also, free up all MACs and neighbors. */ | |
8986 | zvni_send_del_to_client(zvni->vni); | |
8987 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
8988 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
8989 | zvni_vtep_del_all(zvni, 1); | |
8990 | return 0; | |
8991 | } | |
d62a17ae | 8992 | |
b7cfce93 MK |
8993 | /* Handle other changes. */ |
8994 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
8995 | /* Remove all existing local neigh and MACs for this VNI | |
8996 | * (including from BGP) | |
8997 | */ | |
8998 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
8999 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
9000 | } | |
d62a17ae | 9001 | |
abfa0a96 AK |
9002 | if (zvni->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || |
9003 | zvni->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
9004 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, | |
9005 | zvni->mcast_grp); | |
9006 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
9007 | zvni->local_vtep_ip = vxl->vtep_ip; | |
9008 | zvni->mcast_grp = vxl->mcast_grp; | |
9009 | } | |
b7cfce93 | 9010 | zvni->vxlan_if = ifp; |
d62a17ae | 9011 | |
b7cfce93 MK |
9012 | /* Take further actions needed. |
9013 | * Note that if we are here, there is a change of interest. | |
9014 | */ | |
9015 | /* If down or not mapped to a bridge, we're done. */ | |
9016 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
9017 | return 0; | |
d62a17ae | 9018 | |
b7cfce93 MK |
9019 | /* Inform BGP, if there is a change of interest. */ |
9020 | if (chgflags | |
39c46ff1 AK |
9021 | & (ZEBRA_VXLIF_MASTER_CHANGE | |
9022 | ZEBRA_VXLIF_LOCAL_IP_CHANGE | | |
9023 | ZEBRA_VXLIF_MCAST_GRP_CHANGE)) | |
b7cfce93 MK |
9024 | zvni_send_add_to_client(zvni); |
9025 | ||
9026 | /* If there is a valid new master or a VLAN mapping change, | |
9027 | * read and populate local MACs and neighbors. | |
9028 | * Also, reinstall any remote MACs and neighbors | |
9029 | * for this VNI (based on new VLAN). | |
9030 | */ | |
9031 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
9032 | zvni_read_mac_neigh(zvni, ifp); | |
9033 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
9034 | struct mac_walk_ctx m_wctx; | |
9035 | struct neigh_walk_ctx n_wctx; | |
9036 | ||
9037 | zvni_read_mac_neigh(zvni, ifp); | |
9038 | ||
9039 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
9040 | m_wctx.zvni = zvni; | |
996c9314 | 9041 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
9042 | &m_wctx); |
9043 | ||
9044 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
9045 | n_wctx.zvni = zvni; | |
9046 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
9047 | &n_wctx); | |
9048 | } | |
d62a17ae | 9049 | } |
9050 | ||
9051 | return 0; | |
13d60d35 | 9052 | } |
9053 | ||
9054 | /* | |
9055 | * Handle VxLAN interface add. | |
9056 | */ | |
d62a17ae | 9057 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 9058 | { |
d62a17ae | 9059 | vni_t vni; |
b7cfce93 MK |
9060 | struct zebra_if *zif = NULL; |
9061 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 9062 | zebra_vni_t *zvni = NULL; |
9063 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 9064 | |
2853fed6 | 9065 | /* Check if EVPN is enabled. */ |
9066 | if (!is_evpn_enabled()) | |
d62a17ae | 9067 | return 0; |
13d60d35 | 9068 | |
d62a17ae | 9069 | zif = ifp->info; |
9070 | assert(zif); | |
9071 | vxl = &zif->l2info.vxl; | |
9072 | vni = vxl->vni; | |
13d60d35 | 9073 | |
643215ce | 9074 | zl3vni = zl3vni_lookup(vni); |
9075 | if (zl3vni) { | |
13d60d35 | 9076 | |
b7cfce93 | 9077 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
9078 | if (IS_ZEBRA_DEBUG_VXLAN) |
9079 | zlog_debug( | |
9080 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
9081 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
9082 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
9083 | zif->brslave_info.bridge_ifindex); |
9084 | ||
b7cfce93 | 9085 | /* associate with vxlan_if */ |
b67a60d2 | 9086 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
9087 | zl3vni->vxlan_if = ifp; |
9088 | ||
9089 | /* Associate with SVI, if any. We can associate with svi-if only | |
9090 | * after association with vxlan_if is complete */ | |
9091 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
9092 | ||
06d9cde5 CS |
9093 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); |
9094 | ||
b7cfce93 MK |
9095 | if (is_l3vni_oper_up(zl3vni)) |
9096 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
9097 | } else { | |
9098 | ||
9099 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
9100 | struct interface *vlan_if = NULL; |
9101 | ||
9102 | /* Create or update VNI hash. */ | |
9103 | zvni = zvni_lookup(vni); | |
9104 | if (!zvni) { | |
9105 | zvni = zvni_add(vni); | |
9106 | if (!zvni) { | |
af4c2728 | 9107 | flog_err( |
e914ccbe | 9108 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
9109 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
9110 | ifp->name, ifp->ifindex, vni); | |
9111 | return -1; | |
9112 | } | |
9113 | } | |
9114 | ||
abfa0a96 AK |
9115 | if (zvni->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr || |
9116 | zvni->mcast_grp.s_addr != vxl->mcast_grp.s_addr) { | |
9117 | zebra_vxlan_sg_deref(zvni->local_vtep_ip, | |
9118 | zvni->mcast_grp); | |
9119 | zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp); | |
9120 | zvni->local_vtep_ip = vxl->vtep_ip; | |
9121 | zvni->mcast_grp = vxl->mcast_grp; | |
9122 | } | |
b7cfce93 MK |
9123 | zvni->vxlan_if = ifp; |
9124 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
9125 | zif->brslave_info.br_if); | |
9126 | if (vlan_if) { | |
a36898e7 DS |
9127 | zvni->vrf_id = vlan_if->vrf_id; |
9128 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
b7cfce93 MK |
9129 | if (zl3vni) |
9130 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
9131 | } | |
9132 | ||
39c46ff1 AK |
9133 | if (IS_ZEBRA_DEBUG_VXLAN) { |
9134 | char addr_buf1[INET_ADDRSTRLEN]; | |
9135 | char addr_buf2[INET_ADDRSTRLEN]; | |
9136 | ||
9137 | inet_ntop(AF_INET, &vxl->vtep_ip, | |
9138 | addr_buf1, INET_ADDRSTRLEN); | |
9139 | inet_ntop(AF_INET, &vxl->mcast_grp, | |
9140 | addr_buf2, INET_ADDRSTRLEN); | |
9141 | ||
b7cfce93 | 9142 | zlog_debug( |
aa0677b4 | 9143 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s mcast_grp %s master %u", |
b7cfce93 | 9144 | vni, |
a36898e7 | 9145 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
08ab35fe | 9146 | : VRF_DEFAULT_NAME, |
996c9314 | 9147 | ifp->name, ifp->ifindex, vxl->access_vlan, |
39c46ff1 | 9148 | addr_buf1, addr_buf2, |
b7cfce93 | 9149 | zif->brslave_info.bridge_ifindex); |
39c46ff1 | 9150 | } |
b7cfce93 MK |
9151 | |
9152 | /* If down or not mapped to a bridge, we're done. */ | |
9153 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
9154 | return 0; | |
9155 | ||
9156 | /* Inform BGP */ | |
9157 | zvni_send_add_to_client(zvni); | |
9158 | ||
9159 | /* Read and populate local MACs and neighbors */ | |
9160 | zvni_read_mac_neigh(zvni, ifp); | |
9161 | } | |
9162 | ||
9163 | return 0; | |
9164 | } | |
9165 | ||
996c9314 LB |
9166 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
9167 | char *err, int err_str_sz, int filter, | |
9168 | int add) | |
b7cfce93 MK |
9169 | { |
9170 | zebra_l3vni_t *zl3vni = NULL; | |
5e53dce3 | 9171 | struct zebra_vrf *zvrf_evpn = NULL; |
b7cfce93 | 9172 | |
5e53dce3 T |
9173 | zvrf_evpn = zebra_vrf_get_evpn(); |
9174 | if (!zvrf_evpn) | |
b7cfce93 MK |
9175 | return -1; |
9176 | ||
9177 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 9178 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
9179 | add ? "ADD" : "DEL"); |
9180 | ||
9181 | if (add) { | |
9182 | ||
9183 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
9184 | ||
9185 | /* check if the vni is already present under zvrf */ | |
9186 | if (zvrf->l3vni) { | |
3f02fbab | 9187 | snprintf(err, err_str_sz, |
b7cfce93 MK |
9188 | "VNI is already configured under the vrf"); |
9189 | return -1; | |
9190 | } | |
9191 | ||
9192 | /* check if this VNI is already present in the system */ | |
9193 | zl3vni = zl3vni_lookup(vni); | |
9194 | if (zl3vni) { | |
3f02fbab | 9195 | snprintf(err, err_str_sz, |
b7cfce93 MK |
9196 | "VNI is already configured as L3-VNI"); |
9197 | return -1; | |
9198 | } | |
9199 | ||
9200 | /* add the L3-VNI to the global table */ | |
9201 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
9202 | if (!zl3vni) { | |
996c9314 | 9203 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
9204 | return -1; |
9205 | } | |
9206 | ||
9207 | /* associate the vrf with vni */ | |
9208 | zvrf->l3vni = vni; | |
9209 | ||
c48d9f5f MK |
9210 | /* set the filter in l3vni to denote if we are using l3vni only |
9211 | * for prefix routes | |
9212 | */ | |
9213 | if (filter) | |
9214 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
9215 | ||
b7cfce93 | 9216 | /* associate with vxlan-intf; |
523cafc4 | 9217 | * we need to associate with the vxlan-intf first |
9218 | */ | |
b7cfce93 MK |
9219 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
9220 | ||
9221 | /* associate with corresponding SVI interface, we can associate | |
9222 | * with svi-if only after vxlan interface association is | |
523cafc4 | 9223 | * complete |
9224 | */ | |
b7cfce93 MK |
9225 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
9226 | ||
06d9cde5 CS |
9227 | zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni); |
9228 | ||
9229 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9230 | zlog_debug("%s: l3vni %u svi_if %s mac_vlan_if %s", | |
9231 | __PRETTY_FUNCTION__, vni, | |
9232 | zl3vni->svi_if ? | |
9233 | zl3vni->svi_if->name : "NIL", | |
9234 | zl3vni->mac_vlan_if ? | |
9235 | zl3vni->mac_vlan_if->name : "NIL"); | |
9236 | ||
b7cfce93 | 9237 | /* formulate l2vni list */ |
5e53dce3 | 9238 | hash_iterate(zvrf_evpn->vni_table, zvni_add_to_l3vni_list, |
996c9314 | 9239 | zl3vni); |
b7cfce93 MK |
9240 | |
9241 | if (is_l3vni_oper_up(zl3vni)) | |
9242 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
9243 | ||
9244 | } else { | |
9245 | zl3vni = zl3vni_lookup(vni); | |
9246 | if (!zl3vni) { | |
3f02fbab | 9247 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 9248 | return -1; |
9249 | } | |
b7cfce93 | 9250 | |
7a6ca8a6 KA |
9251 | if (zvrf->l3vni != vni) { |
9252 | snprintf(err, err_str_sz, | |
9253 | "VNI %d doesn't exist in VRF: %s", | |
9254 | vni, zvrf->vrf->name); | |
9255 | return -1; | |
9256 | } | |
9257 | ||
cf299714 MK |
9258 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
9259 | snprintf(err, ERR_STR_SZ, | |
9260 | "prefix-routes-only is not set for the vni"); | |
9261 | return -1; | |
9262 | } | |
9263 | ||
b7cfce93 MK |
9264 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
9265 | ||
5e06422c | 9266 | /* delete and uninstall all rmacs */ |
996c9314 | 9267 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
9268 | zl3vni); |
9269 | ||
9270 | /* delete and uninstall all next-hops */ | |
996c9314 | 9271 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
9272 | zl3vni); |
9273 | ||
b7cfce93 MK |
9274 | zvrf->l3vni = 0; |
9275 | zl3vni_del(zl3vni); | |
9276 | ||
9277 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 9278 | } |
b7cfce93 MK |
9279 | return 0; |
9280 | } | |
13d60d35 | 9281 | |
84915b0a | 9282 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
9283 | { | |
9284 | zebra_l3vni_t *zl3vni = NULL; | |
9285 | ||
9286 | if (zvrf->l3vni) | |
9287 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
9288 | if (!zl3vni) | |
9289 | return 0; | |
9290 | ||
9291 | zl3vni->vrf_id = zvrf_id(zvrf); | |
9292 | if (is_l3vni_oper_up(zl3vni)) | |
9293 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
9294 | return 0; | |
9295 | } | |
9296 | ||
9297 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
9298 | { |
9299 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 9300 | |
84915b0a | 9301 | if (zvrf->l3vni) |
9302 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 9303 | if (!zl3vni) |
d62a17ae | 9304 | return 0; |
13d60d35 | 9305 | |
84915b0a | 9306 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 9307 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 9308 | return 0; |
9309 | } | |
9310 | ||
9311 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
9312 | { | |
9313 | zebra_l3vni_t *zl3vni = NULL; | |
9314 | vni_t vni; | |
9315 | ||
9316 | if (zvrf->l3vni) | |
9317 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
9318 | if (!zl3vni) | |
9319 | return 0; | |
9320 | ||
9321 | vni = zl3vni->vni; | |
b7cfce93 | 9322 | zl3vni_del(zl3vni); |
84915b0a | 9323 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 9324 | |
d62a17ae | 9325 | return 0; |
13d60d35 | 9326 | } |
9327 | ||
fbac9605 DS |
9328 | /* |
9329 | * Handle message from client to specify the flooding mechanism for | |
9330 | * BUM packets. The default is to do head-end (ingress) replication | |
9331 | * and the other supported option is to disable it. This applies to | |
9332 | * all BUM traffic and disabling it applies to both the transmit and | |
9333 | * receive direction. | |
9334 | */ | |
9335 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
9336 | { | |
9337 | struct stream *s; | |
9338 | enum vxlan_flood_control flood_ctrl; | |
9339 | ||
986512a3 | 9340 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 9341 | zlog_err("EVPN flood control for non-EVPN VRF %u", |
fbac9605 DS |
9342 | zvrf_id(zvrf)); |
9343 | return; | |
9344 | } | |
9345 | ||
9346 | s = msg; | |
9347 | STREAM_GETC(s, flood_ctrl); | |
9348 | ||
9349 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9350 | zlog_debug("EVPN flood control %u, currently %u", | |
9351 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
9352 | ||
9353 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
9354 | return; | |
9355 | ||
9356 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
9357 | ||
9358 | /* Install or uninstall flood entries corresponding to | |
9359 | * remote VTEPs. | |
9360 | */ | |
9361 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
9362 | zvrf); | |
9363 | ||
9364 | stream_failure: | |
9365 | return; | |
9366 | } | |
9367 | ||
278e26de CS |
9368 | /* |
9369 | * Handle message from client to enable/disable advertisement of svi macip | |
9370 | * routes | |
9371 | */ | |
9372 | void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS) | |
9373 | { | |
9374 | struct stream *s; | |
9375 | int advertise; | |
9376 | vni_t vni = 0; | |
9377 | zebra_vni_t *zvni = NULL; | |
9378 | struct interface *ifp = NULL; | |
9379 | ||
986512a3 | 9380 | if (!EVPN_ENABLED(zvrf)) { |
27627f9a | 9381 | zlog_debug("EVPN SVI-MACIP Adv for non-EVPN VRF %u", |
a0b0b5c8 | 9382 | zvrf_id(zvrf)); |
278e26de CS |
9383 | return; |
9384 | } | |
9385 | ||
9386 | s = msg; | |
9387 | STREAM_GETC(s, advertise); | |
9388 | STREAM_GETL(s, vni); | |
9389 | ||
9390 | if (!vni) { | |
9391 | if (IS_ZEBRA_DEBUG_VXLAN) | |
27627f9a | 9392 | zlog_debug("EVPN SVI-MACIP Adv %s, currently %s", |
278e26de | 9393 | advertise ? "enabled" : "disabled", |
838cef6d | 9394 | advertise_svi_macip_enabled(NULL) |
278e26de CS |
9395 | ? "enabled" |
9396 | : "disabled"); | |
9397 | ||
9398 | if (zvrf->advertise_svi_macip == advertise) | |
9399 | return; | |
9400 | ||
9401 | ||
9402 | if (advertise) { | |
9403 | zvrf->advertise_svi_macip = advertise; | |
9404 | hash_iterate(zvrf->vni_table, | |
9405 | zvni_gw_macip_add_for_vni_hash, NULL); | |
9406 | } else { | |
9407 | hash_iterate(zvrf->vni_table, | |
9408 | zvni_svi_macip_del_for_vni_hash, NULL); | |
9409 | zvrf->advertise_svi_macip = advertise; | |
9410 | } | |
9411 | ||
9412 | } else { | |
9413 | struct zebra_if *zif = NULL; | |
9414 | struct zebra_l2info_vxlan zl2_info; | |
9415 | struct interface *vlan_if = NULL; | |
9416 | ||
9417 | zvni = zvni_lookup(vni); | |
9418 | if (!zvni) | |
9419 | return; | |
9420 | ||
9421 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9422 | zlog_debug( | |
9423 | "EVPN SVI macip Adv %s on VNI %d , currently %s", | |
9424 | advertise ? "enabled" : "disabled", vni, | |
9425 | advertise_svi_macip_enabled(zvni) | |
9426 | ? "enabled" | |
9427 | : "disabled"); | |
9428 | ||
9429 | if (zvni->advertise_svi_macip == advertise) | |
9430 | return; | |
9431 | ||
3dacbb9d CS |
9432 | /* Store flag even though SVI is not present. |
9433 | * Once SVI comes up triggers self MAC-IP route add. | |
9434 | */ | |
9435 | zvni->advertise_svi_macip = advertise; | |
9436 | ||
278e26de CS |
9437 | ifp = zvni->vxlan_if; |
9438 | if (!ifp) | |
9439 | return; | |
9440 | ||
9441 | zif = ifp->info; | |
9442 | ||
9443 | /* If down or not mapped to a bridge, we're done. */ | |
9444 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
9445 | return; | |
9446 | ||
9447 | zl2_info = zif->l2info.vxl; | |
278e26de CS |
9448 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
9449 | zif->brslave_info.br_if); | |
9450 | if (!vlan_if) | |
9451 | return; | |
9452 | ||
9453 | if (advertise) { | |
278e26de CS |
9454 | /* Add primary SVI MAC-IP */ |
9455 | zvni_add_macip_for_intf(vlan_if, zvni); | |
9456 | } else { | |
3dacbb9d | 9457 | /* Del primary SVI MAC-IP */ |
278e26de | 9458 | zvni_del_macip_for_intf(vlan_if, zvni); |
278e26de CS |
9459 | } |
9460 | } | |
9461 | ||
9462 | stream_failure: | |
9463 | return; | |
9464 | } | |
9465 | ||
31310b25 MK |
9466 | /* |
9467 | * Handle message from client to enable/disable advertisement of g/w macip | |
9468 | * routes | |
9469 | */ | |
89f4e507 | 9470 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
9471 | { |
9472 | struct stream *s; | |
9473 | int advertise; | |
9474 | vni_t vni = 0; | |
9475 | zebra_vni_t *zvni = NULL; | |
9476 | struct interface *ifp = NULL; | |
9477 | struct zebra_if *zif = NULL; | |
9478 | struct zebra_l2info_vxlan zl2_info; | |
9479 | struct interface *vlan_if = NULL; | |
9480 | ||
986512a3 | 9481 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 T |
9482 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
9483 | zvrf_id(zvrf)); | |
8068a649 | 9484 | return; |
31310b25 MK |
9485 | } |
9486 | ||
1002497a | 9487 | s = msg; |
2017b3ea | 9488 | STREAM_GETC(s, advertise); |
7fb29f49 | 9489 | STREAM_GET(&vni, s, 3); |
31310b25 MK |
9490 | |
9491 | zvni = zvni_lookup(vni); | |
9492 | if (!zvni) | |
8068a649 | 9493 | return; |
31310b25 MK |
9494 | |
9495 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 9496 | return; |
31310b25 MK |
9497 | |
9498 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
9499 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
9500 | advertise ? "enabled" : "disabled", vni, | |
9501 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
9502 | |
9503 | ||
9504 | zvni->advertise_subnet = advertise; | |
9505 | ||
9506 | ifp = zvni->vxlan_if; | |
9507 | if (!ifp) | |
8068a649 | 9508 | return; |
31310b25 MK |
9509 | |
9510 | zif = ifp->info; | |
9511 | ||
9512 | /* If down or not mapped to a bridge, we're done. */ | |
9513 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 9514 | return; |
31310b25 MK |
9515 | |
9516 | zl2_info = zif->l2info.vxl; | |
9517 | ||
996c9314 LB |
9518 | vlan_if = |
9519 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 9520 | if (!vlan_if) |
8068a649 | 9521 | return; |
31310b25 MK |
9522 | |
9523 | if (zvni->advertise_subnet) | |
9524 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
9525 | else | |
9526 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
9527 | |
9528 | stream_failure: | |
9529 | return; | |
31310b25 MK |
9530 | } |
9531 | ||
1a98c087 MK |
9532 | /* |
9533 | * Handle message from client to enable/disable advertisement of g/w macip | |
9534 | * routes | |
9535 | */ | |
89f4e507 | 9536 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
9537 | { |
9538 | struct stream *s; | |
9539 | int advertise; | |
9540 | vni_t vni = 0; | |
9541 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 9542 | struct interface *ifp = NULL; |
1a98c087 | 9543 | |
986512a3 | 9544 | if (!EVPN_ENABLED(zvrf)) { |
a0b0b5c8 | 9545 | zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u", |
9df414fe | 9546 | zvrf_id(zvrf)); |
8068a649 | 9547 | return; |
2853fed6 | 9548 | } |
9549 | ||
1002497a | 9550 | s = msg; |
ec93aa12 | 9551 | STREAM_GETC(s, advertise); |
cc6d5476 | 9552 | STREAM_GETL(s, vni); |
1a98c087 MK |
9553 | |
9554 | if (!vni) { | |
9555 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 9556 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 9557 | advertise ? "enabled" : "disabled", |
2853fed6 | 9558 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
9559 | ? "enabled" |
9560 | : "disabled"); | |
9561 | ||
9562 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 9563 | return; |
1a98c087 MK |
9564 | |
9565 | zvrf->advertise_gw_macip = advertise; | |
9566 | ||
2853fed6 | 9567 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 9568 | hash_iterate(zvrf->vni_table, |
2853fed6 | 9569 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
9570 | else |
9571 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 9572 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
9573 | |
9574 | } else { | |
9575 | struct zebra_if *zif = NULL; | |
9576 | struct zebra_l2info_vxlan zl2_info; | |
9577 | struct interface *vlan_if = NULL; | |
9578 | struct interface *vrr_if = NULL; | |
9579 | ||
01a6143b MK |
9580 | zvni = zvni_lookup(vni); |
9581 | if (!zvni) | |
124ead27 | 9582 | return; |
01a6143b | 9583 | |
1a98c087 MK |
9584 | if (IS_ZEBRA_DEBUG_VXLAN) |
9585 | zlog_debug( | |
2853fed6 | 9586 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 9587 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
9588 | advertise_gw_macip_enabled(zvni) ? "enabled" |
9589 | : "disabled"); | |
1a98c087 | 9590 | |
1a98c087 | 9591 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 9592 | return; |
1a98c087 MK |
9593 | |
9594 | zvni->advertise_gw_macip = advertise; | |
9595 | ||
b5ebdc9b | 9596 | ifp = zvni->vxlan_if; |
9597 | if (!ifp) | |
8068a649 | 9598 | return; |
b5ebdc9b | 9599 | |
9600 | zif = ifp->info; | |
9601 | ||
9602 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 9603 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 9604 | return; |
b5ebdc9b | 9605 | |
1a98c087 MK |
9606 | zl2_info = zif->l2info.vxl; |
9607 | ||
2853fed6 | 9608 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
9609 | zif->brslave_info.br_if); |
9610 | if (!vlan_if) | |
8068a649 | 9611 | return; |
1a98c087 | 9612 | |
2853fed6 | 9613 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
9614 | /* Add primary SVI MAC-IP */ |
9615 | zvni_add_macip_for_intf(vlan_if, zvni); | |
9616 | ||
9617 | /* Add VRR MAC-IP - if any*/ | |
9618 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9619 | if (vrr_if) | |
9620 | zvni_add_macip_for_intf(vrr_if, zvni); | |
9621 | } else { | |
9622 | /* Del primary MAC-IP */ | |
9623 | zvni_del_macip_for_intf(vlan_if, zvni); | |
9624 | ||
9625 | /* Del VRR MAC-IP - if any*/ | |
9626 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
9627 | if (vrr_if) | |
9628 | zvni_del_macip_for_intf(vrr_if, zvni); | |
9629 | } | |
9630 | } | |
9631 | ||
ec93aa12 | 9632 | stream_failure: |
8068a649 | 9633 | return; |
1a98c087 MK |
9634 | } |
9635 | ||
9636 | ||
13d60d35 | 9637 | /* |
9638 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
9639 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
9640 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
9641 | * uninstalled from the kernel. | |
fbac9605 DS |
9642 | * This also informs the setting for BUM handling at the time this change |
9643 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 9644 | */ |
89f4e507 | 9645 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 9646 | { |
655b04d1 MK |
9647 | struct stream *s = NULL; |
9648 | int advertise = 0; | |
fbac9605 | 9649 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 9650 | |
77b998fb T |
9651 | /* Mismatch between EVPN VRF and current VRF (should be prevented by |
9652 | * bgpd's cli) */ | |
f920dd6d | 9653 | if (is_evpn_enabled() && !EVPN_ENABLED(zvrf)) |
8068a649 | 9654 | return; |
2853fed6 | 9655 | |
1002497a | 9656 | s = msg; |
ec93aa12 | 9657 | STREAM_GETC(s, advertise); |
fbac9605 | 9658 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 9659 | |
d62a17ae | 9660 | if (IS_ZEBRA_DEBUG_VXLAN) |
150971b5 T |
9661 | zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u", |
9662 | zvrf_name(zvrf), zvrf_id(zvrf), | |
d62a17ae | 9663 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
9664 | is_evpn_enabled() ? "enabled" : "disabled", |
9665 | flood_ctrl); | |
13d60d35 | 9666 | |
d62a17ae | 9667 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 9668 | return; |
13d60d35 | 9669 | |
d62a17ae | 9670 | zvrf->advertise_all_vni = advertise; |
f920dd6d | 9671 | if (EVPN_ENABLED(zvrf)) { |
0fb2ad05 | 9672 | zrouter.evpn_vrf = zvrf; |
150971b5 | 9673 | |
fbac9605 DS |
9674 | /* Note BUM handling */ |
9675 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
9676 | ||
d62a17ae | 9677 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 9678 | zvni_build_hash_table(); |
2232a77c | 9679 | |
1a98c087 MK |
9680 | /* Add all SVI (L3 GW) MACs to BGP*/ |
9681 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 9682 | NULL); |
1a98c087 | 9683 | |
d62a17ae | 9684 | /* Read the MAC FDB */ |
9685 | macfdb_read(zvrf->zns); | |
2232a77c | 9686 | |
d62a17ae | 9687 | /* Read neighbors */ |
9688 | neigh_read(zvrf->zns); | |
9689 | } else { | |
9690 | /* Cleanup VTEPs for all VNIs - uninstall from | |
9691 | * kernel and free entries. | |
9692 | */ | |
9693 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
9694 | |
9695 | /* cleanup all l3vnis */ | |
89272910 | 9696 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
150971b5 | 9697 | |
0fb2ad05 T |
9698 | /* Mark as "no EVPN VRF" */ |
9699 | zrouter.evpn_vrf = NULL; | |
d62a17ae | 9700 | } |
13d60d35 | 9701 | |
ec93aa12 | 9702 | stream_failure: |
8068a649 | 9703 | return; |
13d60d35 | 9704 | } |
9705 | ||
9706 | /* | |
9707 | * Allocate VNI hash table for this VRF and do other initialization. | |
9708 | * NOTE: Currently supported only for default VRF. | |
9709 | */ | |
d62a17ae | 9710 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9711 | { |
d62a17ae | 9712 | if (!zvrf) |
9713 | return; | |
9714 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
9715 | "Zebra VRF VNI Table"); | |
015d264c AK |
9716 | zvrf->vxlan_sg_table = hash_create(zebra_vxlan_sg_hash_key_make, |
9717 | zebra_vxlan_sg_hash_eq, "Zebra VxLAN SG Table"); | |
13d60d35 | 9718 | } |
9719 | ||
84915b0a | 9720 | /* Cleanup VNI info, but don't free the table. */ |
9721 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
9722 | { | |
9723 | if (!zvrf) | |
9724 | return; | |
9725 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
abfa0a96 | 9726 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_cleanup, NULL); |
84915b0a | 9727 | } |
9728 | ||
13d60d35 | 9729 | /* Close all VNI handling */ |
d62a17ae | 9730 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 9731 | { |
2853fed6 | 9732 | if (!zvrf) |
9733 | return; | |
d62a17ae | 9734 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 9735 | hash_free(zvrf->vni_table); |
13d60d35 | 9736 | } |
b7cfce93 MK |
9737 | |
9738 | /* init the l3vni table */ | |
6548050a | 9739 | void zebra_vxlan_init(void) |
b7cfce93 | 9740 | { |
89272910 DS |
9741 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
9742 | "Zebra VRF L3 VNI table"); | |
0fb2ad05 | 9743 | zrouter.evpn_vrf = NULL; |
b7cfce93 MK |
9744 | } |
9745 | ||
9746 | /* free l3vni table */ | |
6548050a | 9747 | void zebra_vxlan_disable(void) |
b7cfce93 | 9748 | { |
89272910 | 9749 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 9750 | } |
d3135ba3 | 9751 | |
9752 | /* get the l3vni svi ifindex */ | |
9753 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
9754 | { | |
9755 | zebra_l3vni_t *zl3vni = NULL; | |
9756 | ||
9757 | zl3vni = zl3vni_from_vrf(vrf_id); | |
9758 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
9759 | return 0; | |
9760 | ||
9761 | return zl3vni->svi_if->ifindex; | |
9762 | } | |
c80a972c CS |
9763 | |
9764 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t) | |
9765 | { | |
9766 | struct zebra_vrf *zvrf = NULL; | |
9767 | zebra_neigh_t *nbr = NULL; | |
9768 | zebra_vni_t *zvni = NULL; | |
9769 | char buf1[INET6_ADDRSTRLEN]; | |
9770 | char buf2[ETHER_ADDR_STRLEN]; | |
9771 | ||
9772 | nbr = THREAD_ARG(t); | |
9773 | ||
9774 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9775 | zvrf = vrf_info_lookup(nbr->zvni->vrf_id); |
9776 | if (!zvrf) | |
979777b2 | 9777 | return 0; |
c80a972c CS |
9778 | |
9779 | zvni = zvni_lookup(nbr->zvni->vni); | |
9780 | if (!zvni) | |
979777b2 | 9781 | return 0; |
c80a972c | 9782 | |
8a3bc58e DS |
9783 | nbr = zvni_neigh_lookup(zvni, &nbr->ip); |
9784 | if (!nbr) | |
979777b2 | 9785 | return 0; |
c80a972c CS |
9786 | |
9787 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9788 | zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x learn count %u vni %u auto recovery expired", | |
9789 | __PRETTY_FUNCTION__, | |
c34e362b CS |
9790 | prefix_mac2str(&nbr->emac, buf2, sizeof(buf2)), |
9791 | ipaddr2str(&nbr->ip, buf1, sizeof(buf1)), | |
c80a972c CS |
9792 | nbr->flags, |
9793 | nbr->dad_count, zvni->vni); | |
9794 | ||
9795 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9796 | nbr->dad_count = 0; | |
9797 | nbr->detect_start_time.tv_sec = 0; | |
9798 | nbr->detect_start_time.tv_usec = 0; | |
9799 | nbr->dad_dup_detect_time = 0; | |
9800 | nbr->dad_ip_auto_recovery_timer = NULL; | |
c34e362b | 9801 | ZEBRA_NEIGH_SET_ACTIVE(nbr); |
c80a972c CS |
9802 | |
9803 | /* Send to BGP */ | |
9804 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
9805 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, &nbr->emac, | |
9806 | nbr->flags, nbr->loc_seq); | |
9807 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
9808 | zvni_neigh_install(zvni, nbr); | |
9809 | } | |
9810 | ||
c80a972c CS |
9811 | return 0; |
9812 | } | |
9813 | ||
9814 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t) | |
9815 | { | |
9816 | struct zebra_vrf *zvrf = NULL; | |
9817 | zebra_mac_t *mac = NULL; | |
9818 | zebra_vni_t *zvni = NULL; | |
9819 | struct listnode *node = NULL; | |
9820 | zebra_neigh_t *nbr = NULL; | |
9821 | char buf[ETHER_ADDR_STRLEN]; | |
9822 | ||
9823 | mac = THREAD_ARG(t); | |
9824 | ||
9825 | /* since this is asynchronous we need sanity checks*/ | |
8a3bc58e DS |
9826 | zvrf = vrf_info_lookup(mac->zvni->vrf_id); |
9827 | if (!zvrf) | |
979777b2 | 9828 | return 0; |
c80a972c CS |
9829 | |
9830 | zvni = zvni_lookup(mac->zvni->vni); | |
9831 | if (!zvni) | |
979777b2 | 9832 | return 0; |
c80a972c | 9833 | |
8a3bc58e DS |
9834 | mac = zvni_mac_lookup(zvni, &mac->macaddr); |
9835 | if (!mac) | |
979777b2 | 9836 | return 0; |
c80a972c CS |
9837 | |
9838 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9839 | zlog_debug("%s: duplicate addr mac %s flags 0x%x learn count %u host count %u auto recovery expired", | |
9840 | __PRETTY_FUNCTION__, | |
9841 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
9842 | mac->flags, | |
9843 | mac->dad_count, | |
9844 | listcount(mac->neigh_list)); | |
9845 | ||
9846 | /* Remove all IPs as duplicate associcated with this MAC */ | |
9847 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
a4445ece | 9848 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { |
c80a972c CS |
9849 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) |
9850 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
9851 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
9852 | zvni_neigh_install(zvni, nbr); | |
9853 | } | |
9854 | ||
9855 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
9856 | nbr->dad_count = 0; | |
9857 | nbr->detect_start_time.tv_sec = 0; | |
9858 | nbr->dad_dup_detect_time = 0; | |
9859 | } | |
9860 | ||
9861 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
9862 | mac->dad_count = 0; | |
9863 | mac->detect_start_time.tv_sec = 0; | |
9864 | mac->detect_start_time.tv_usec = 0; | |
9865 | mac->dad_dup_detect_time = 0; | |
9866 | mac->dad_mac_auto_recovery_timer = NULL; | |
9867 | ||
9868 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
9869 | /* Inform to BGP */ | |
9870 | if (zvni_mac_send_add_to_client(zvni->vni, &mac->macaddr, | |
9871 | mac->flags, mac->loc_seq)) | |
9872 | return -1; | |
9873 | ||
9874 | /* Process all neighbors associated with this MAC. */ | |
9875 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
9876 | ||
9877 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
9878 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
9879 | ||
9880 | /* Install the entry. */ | |
9881 | zvni_mac_install(zvni, mac); | |
9882 | } | |
9883 | ||
c80a972c CS |
9884 | return 0; |
9885 | } | |
015d264c AK |
9886 | |
9887 | /************************** vxlan SG cache management ************************/ | |
4ab3321f | 9888 | /* Inform PIM about the mcast group */ |
ecbbc3a7 AK |
9889 | static int zebra_vxlan_sg_send(struct zebra_vrf *zvrf, |
9890 | struct prefix_sg *sg, | |
9891 | char *sg_str, uint16_t cmd) | |
4ab3321f AK |
9892 | { |
9893 | struct zserv *client = NULL; | |
9894 | struct stream *s = NULL; | |
9895 | ||
9896 | client = zserv_find_client(ZEBRA_ROUTE_PIM, 0); | |
9897 | if (!client) | |
9898 | return 0; | |
9899 | ||
ecbbc3a7 AK |
9900 | if (!CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG)) |
9901 | return 0; | |
9902 | ||
4ab3321f AK |
9903 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
9904 | ||
9905 | zclient_create_header(s, cmd, VRF_DEFAULT); | |
9906 | stream_putl(s, IPV4_MAX_BYTELEN); | |
9907 | stream_put(s, &sg->src.s_addr, IPV4_MAX_BYTELEN); | |
9908 | stream_put(s, &sg->grp.s_addr, IPV4_MAX_BYTELEN); | |
9909 | ||
9910 | /* Write packet size. */ | |
9911 | stream_putw_at(s, 0, stream_get_endp(s)); | |
9912 | ||
9913 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9914 | zlog_debug( | |
9915 | "Send %s %s to %s", | |
9916 | (cmd == ZEBRA_VXLAN_SG_ADD) ? "add" : "del", sg_str, | |
9917 | zebra_route_string(client->proto)); | |
9918 | ||
9919 | if (cmd == ZEBRA_VXLAN_SG_ADD) | |
9920 | client->vxlan_sg_add_cnt++; | |
9921 | else | |
9922 | client->vxlan_sg_del_cnt++; | |
9923 | ||
9924 | return zserv_send_message(client, s); | |
9925 | } | |
9926 | ||
d8b87afe | 9927 | static unsigned int zebra_vxlan_sg_hash_key_make(const void *p) |
015d264c | 9928 | { |
d8b87afe | 9929 | const zebra_vxlan_sg_t *vxlan_sg = p; |
015d264c AK |
9930 | |
9931 | return (jhash_2words(vxlan_sg->sg.src.s_addr, | |
9932 | vxlan_sg->sg.grp.s_addr, 0)); | |
9933 | } | |
9934 | ||
9935 | static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2) | |
9936 | { | |
9937 | const zebra_vxlan_sg_t *sg1 = p1; | |
9938 | const zebra_vxlan_sg_t *sg2 = p2; | |
9939 | ||
9940 | return ((sg1->sg.src.s_addr == sg2->sg.src.s_addr) | |
9941 | && (sg1->sg.grp.s_addr == sg2->sg.grp.s_addr)); | |
9942 | } | |
9943 | ||
9944 | static zebra_vxlan_sg_t *zebra_vxlan_sg_new(struct zebra_vrf *zvrf, | |
9945 | struct prefix_sg *sg) | |
9946 | { | |
9947 | zebra_vxlan_sg_t *vxlan_sg; | |
9948 | ||
9949 | vxlan_sg = XCALLOC(MTYPE_ZVXLAN_SG, sizeof(*vxlan_sg)); | |
9950 | ||
9951 | vxlan_sg->zvrf = zvrf; | |
9952 | vxlan_sg->sg = *sg; | |
9953 | prefix_sg2str(sg, vxlan_sg->sg_str); | |
9954 | ||
9955 | vxlan_sg = hash_get(zvrf->vxlan_sg_table, vxlan_sg, hash_alloc_intern); | |
9956 | ||
9957 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9958 | zlog_debug("vxlan SG %s created", vxlan_sg->sg_str); | |
9959 | ||
9960 | return vxlan_sg; | |
9961 | } | |
9962 | ||
9963 | static zebra_vxlan_sg_t *zebra_vxlan_sg_find(struct zebra_vrf *zvrf, | |
9964 | struct prefix_sg *sg) | |
9965 | { | |
9966 | zebra_vxlan_sg_t lookup; | |
9967 | ||
9968 | lookup.sg = *sg; | |
9969 | return hash_lookup(zvrf->vxlan_sg_table, &lookup); | |
9970 | } | |
9971 | ||
9972 | static zebra_vxlan_sg_t *zebra_vxlan_sg_add(struct zebra_vrf *zvrf, | |
9973 | struct prefix_sg *sg) | |
9974 | { | |
9975 | zebra_vxlan_sg_t *vxlan_sg; | |
9976 | zebra_vxlan_sg_t *parent = NULL; | |
9977 | struct in_addr sip; | |
9978 | ||
9979 | vxlan_sg = zebra_vxlan_sg_find(zvrf, sg); | |
9980 | if (vxlan_sg) | |
9981 | return vxlan_sg; | |
9982 | ||
9983 | /* create a *G entry for every BUM group implicitly - | |
9984 | * 1. The SG entry is used by pimd to setup the vxlan-origination-mroute | |
9985 | * 2. the XG entry is used by pimd to setup the | |
9986 | * vxlan-termination-mroute | |
9987 | */ | |
975a328e | 9988 | if (sg->src.s_addr != INADDR_ANY) { |
015d264c AK |
9989 | memset(&sip, 0, sizeof(sip)); |
9990 | parent = zebra_vxlan_sg_do_ref(zvrf, sip, sg->grp); | |
9991 | if (!parent) | |
9992 | return NULL; | |
9993 | } | |
9994 | ||
9995 | vxlan_sg = zebra_vxlan_sg_new(zvrf, sg); | |
9996 | if (!vxlan_sg) { | |
9997 | if (parent) | |
9998 | zebra_vxlan_sg_do_deref(zvrf, sip, sg->grp); | |
9999 | return vxlan_sg; | |
10000 | } | |
10001 | ||
ecbbc3a7 AK |
10002 | zebra_vxlan_sg_send(zvrf, sg, vxlan_sg->sg_str, |
10003 | ZEBRA_VXLAN_SG_ADD); | |
4ab3321f | 10004 | |
015d264c AK |
10005 | return vxlan_sg; |
10006 | } | |
10007 | ||
10008 | static void zebra_vxlan_sg_del(zebra_vxlan_sg_t *vxlan_sg) | |
10009 | { | |
10010 | struct in_addr sip; | |
10011 | struct zebra_vrf *zvrf; | |
10012 | ||
10013 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
10014 | if (!zvrf) | |
10015 | return; | |
10016 | ||
10017 | /* On SG entry deletion remove the reference to its parent XG | |
10018 | * entry | |
10019 | */ | |
975a328e | 10020 | if (vxlan_sg->sg.src.s_addr != INADDR_ANY) { |
015d264c AK |
10021 | memset(&sip, 0, sizeof(sip)); |
10022 | zebra_vxlan_sg_do_deref(zvrf, sip, vxlan_sg->sg.grp); | |
10023 | } | |
10024 | ||
ecbbc3a7 AK |
10025 | zebra_vxlan_sg_send(zvrf, &vxlan_sg->sg, |
10026 | vxlan_sg->sg_str, ZEBRA_VXLAN_SG_DEL); | |
4ab3321f | 10027 | |
015d264c AK |
10028 | hash_release(vxlan_sg->zvrf->vxlan_sg_table, vxlan_sg); |
10029 | ||
10030 | if (IS_ZEBRA_DEBUG_VXLAN) | |
10031 | zlog_debug("VXLAN SG %s deleted", vxlan_sg->sg_str); | |
10032 | ||
10033 | XFREE(MTYPE_ZVXLAN_SG, vxlan_sg); | |
10034 | } | |
10035 | ||
10036 | static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf, | |
10037 | struct in_addr sip, struct in_addr mcast_grp) | |
10038 | { | |
10039 | zebra_vxlan_sg_t *vxlan_sg; | |
10040 | struct prefix_sg sg; | |
10041 | ||
10042 | sg.family = AF_INET; | |
10043 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
10044 | sg.src = sip; | |
10045 | sg.grp = mcast_grp; | |
10046 | vxlan_sg = zebra_vxlan_sg_find(zvrf, &sg); | |
10047 | if (!vxlan_sg) | |
10048 | return; | |
10049 | ||
10050 | if (vxlan_sg->ref_cnt) | |
10051 | --vxlan_sg->ref_cnt; | |
10052 | ||
10053 | if (!vxlan_sg->ref_cnt) | |
10054 | zebra_vxlan_sg_del(vxlan_sg); | |
10055 | } | |
10056 | ||
10057 | static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *zvrf, | |
10058 | struct in_addr sip, struct in_addr mcast_grp) | |
10059 | { | |
10060 | zebra_vxlan_sg_t *vxlan_sg; | |
10061 | struct prefix_sg sg; | |
10062 | ||
10063 | sg.family = AF_INET; | |
10064 | sg.prefixlen = IPV4_MAX_BYTELEN; | |
10065 | sg.src = sip; | |
10066 | sg.grp = mcast_grp; | |
10067 | vxlan_sg = zebra_vxlan_sg_add(zvrf, &sg); | |
10068 | if (vxlan_sg) | |
10069 | ++vxlan_sg->ref_cnt; | |
10070 | ||
10071 | return vxlan_sg; | |
10072 | } | |
abfa0a96 AK |
10073 | |
10074 | static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip, | |
10075 | struct in_addr mcast_grp) | |
10076 | { | |
10077 | struct zebra_vrf *zvrf; | |
10078 | ||
975a328e DA |
10079 | if (local_vtep_ip.s_addr == INADDR_ANY |
10080 | || mcast_grp.s_addr == INADDR_ANY) | |
abfa0a96 AK |
10081 | return; |
10082 | ||
10083 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
10084 | if (!zvrf) | |
10085 | return; | |
10086 | ||
10087 | zebra_vxlan_sg_do_deref(zvrf, local_vtep_ip, mcast_grp); | |
10088 | } | |
10089 | ||
10090 | static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, | |
10091 | struct in_addr mcast_grp) | |
10092 | { | |
10093 | struct zebra_vrf *zvrf; | |
10094 | ||
975a328e DA |
10095 | if (local_vtep_ip.s_addr == INADDR_ANY |
10096 | || mcast_grp.s_addr == INADDR_ANY) | |
abfa0a96 AK |
10097 | return; |
10098 | ||
10099 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
10100 | if (!zvrf) | |
10101 | return; | |
10102 | zebra_vxlan_sg_do_ref(zvrf, local_vtep_ip, mcast_grp); | |
10103 | } | |
10104 | ||
7f5818fb | 10105 | static void zebra_vxlan_sg_cleanup(struct hash_bucket *backet, void *arg) |
abfa0a96 AK |
10106 | { |
10107 | zebra_vxlan_sg_t *vxlan_sg = (zebra_vxlan_sg_t *)backet->data; | |
10108 | ||
10109 | zebra_vxlan_sg_del(vxlan_sg); | |
10110 | } | |
27627f9a | 10111 | |
7f5818fb | 10112 | static void zebra_vxlan_sg_replay_send(struct hash_bucket *backet, void *arg) |
ecbbc3a7 AK |
10113 | { |
10114 | zebra_vxlan_sg_t *vxlan_sg = (zebra_vxlan_sg_t *)backet->data; | |
10115 | ||
10116 | zebra_vxlan_sg_send(vxlan_sg->zvrf, &vxlan_sg->sg, | |
10117 | vxlan_sg->sg_str, ZEBRA_VXLAN_SG_ADD); | |
10118 | } | |
10119 | ||
10120 | /* Handle message from client to replay vxlan SG entries */ | |
10121 | void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS) | |
10122 | { | |
10123 | if (IS_ZEBRA_DEBUG_VXLAN) | |
10124 | zlog_debug("VxLAN SG updates to PIM, start"); | |
10125 | ||
10126 | SET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG); | |
10127 | ||
10128 | if (!EVPN_ENABLED(zvrf)) { | |
8f86bb06 DS |
10129 | if (IS_ZEBRA_DEBUG_VXLAN) |
10130 | zlog_debug("VxLAN SG replay request on unexpected vrf %d", | |
10131 | zvrf->vrf->vrf_id); | |
ecbbc3a7 AK |
10132 | return; |
10133 | } | |
10134 | ||
10135 | hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_replay_send, NULL); | |
10136 | } | |
10137 | ||
27627f9a KA |
10138 | /************************** EVPN BGP config management ************************/ |
10139 | /* Notify Local MACs to the clienti, skips GW MAC */ | |
10140 | static void zvni_send_mac_hash_entry_to_client(struct hash_bucket *bucket, | |
10141 | void *arg) | |
10142 | { | |
10143 | struct mac_walk_ctx *wctx = arg; | |
10144 | zebra_mac_t *zmac = bucket->data; | |
10145 | ||
10146 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_DEF_GW)) | |
10147 | return; | |
10148 | ||
10149 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) | |
10150 | zvni_mac_send_add_to_client(wctx->zvni->vni, &zmac->macaddr, | |
10151 | zmac->flags, zmac->loc_seq); | |
10152 | } | |
10153 | ||
10154 | /* Iterator to Notify Local MACs of a L2VNI */ | |
10155 | static void zvni_send_mac_to_client(zebra_vni_t *zvni) | |
10156 | { | |
10157 | struct mac_walk_ctx wctx; | |
10158 | ||
10159 | if (!zvni->mac_table) | |
10160 | return; | |
10161 | ||
10162 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); | |
10163 | wctx.zvni = zvni; | |
10164 | ||
10165 | hash_iterate(zvni->mac_table, zvni_send_mac_hash_entry_to_client, | |
10166 | &wctx); | |
10167 | } | |
10168 | ||
10169 | /* Notify Neighbor entries to the Client, skips the GW entry */ | |
10170 | static void zvni_send_neigh_hash_entry_to_client(struct hash_bucket *bucket, | |
10171 | void *arg) | |
10172 | { | |
10173 | struct mac_walk_ctx *wctx = arg; | |
10174 | zebra_neigh_t *zn = bucket->data; | |
10175 | zebra_mac_t *zmac = NULL; | |
10176 | ||
10177 | if (CHECK_FLAG(zn->flags, ZEBRA_NEIGH_DEF_GW)) | |
10178 | return; | |
10179 | ||
10180 | if (CHECK_FLAG(zn->flags, ZEBRA_NEIGH_LOCAL) && | |
10181 | IS_ZEBRA_NEIGH_ACTIVE(zn)) { | |
10182 | zmac = zvni_mac_lookup(wctx->zvni, &zn->emac); | |
10183 | if (!zmac) | |
10184 | return; | |
10185 | ||
10186 | zvni_neigh_send_add_to_client(wctx->zvni->vni, &zn->ip, | |
10187 | &zn->emac, zn->flags, | |
10188 | zn->loc_seq); | |
10189 | } | |
10190 | } | |
10191 | ||
10192 | /* Iterator of a specific L2VNI */ | |
10193 | static void zvni_send_neigh_to_client(zebra_vni_t *zvni) | |
10194 | { | |
10195 | struct neigh_walk_ctx wctx; | |
10196 | ||
10197 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
10198 | wctx.zvni = zvni; | |
10199 | ||
10200 | hash_iterate(zvni->neigh_table, zvni_send_neigh_hash_entry_to_client, | |
10201 | &wctx); | |
10202 | } | |
10203 | ||
10204 | static void zvni_evpn_cfg_cleanup(struct hash_bucket *bucket, void *ctxt) | |
10205 | { | |
10206 | zebra_vni_t *zvni = NULL; | |
10207 | ||
10208 | zvni = (zebra_vni_t *)bucket->data; | |
10209 | zvni->advertise_gw_macip = 0; | |
10210 | zvni->advertise_svi_macip = 0; | |
10211 | zvni->advertise_subnet = 0; | |
10212 | ||
b6587fc2 | 10213 | zvni_neigh_del_all(zvni, 1, 0, |
27627f9a | 10214 | DEL_REMOTE_NEIGH | DEL_REMOTE_NEIGH_FROM_VTEP); |
b6587fc2 | 10215 | zvni_mac_del_all(zvni, 1, 0, |
27627f9a | 10216 | DEL_REMOTE_MAC | DEL_REMOTE_MAC_FROM_VTEP); |
b6587fc2 | 10217 | zvni_vtep_del_all(zvni, 1); |
27627f9a KA |
10218 | } |
10219 | ||
10220 | /* Cleanup EVPN configuration of a specific VRF */ | |
10221 | static void zebra_evpn_vrf_cfg_cleanup(struct zebra_vrf *zvrf) | |
10222 | { | |
b6587fc2 CS |
10223 | zebra_l3vni_t *zl3vni = NULL; |
10224 | ||
27627f9a KA |
10225 | zvrf->advertise_all_vni = 0; |
10226 | zvrf->advertise_gw_macip = 0; | |
10227 | zvrf->advertise_svi_macip = 0; | |
10228 | zvrf->vxlan_flood_ctrl = VXLAN_FLOOD_HEAD_END_REPL; | |
10229 | ||
10230 | hash_iterate(zvrf->vni_table, zvni_evpn_cfg_cleanup, NULL); | |
b6587fc2 CS |
10231 | |
10232 | if (zvrf->l3vni) | |
10233 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
10234 | if (zl3vni) { | |
10235 | /* delete and uninstall all rmacs */ | |
10236 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, | |
10237 | zl3vni); | |
10238 | /* delete and uninstall all next-hops */ | |
10239 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, | |
10240 | zl3vni); | |
10241 | } | |
27627f9a KA |
10242 | } |
10243 | ||
10244 | /* Cleanup BGP EVPN configuration upon client disconnect */ | |
ecbbc3a7 | 10245 | static int zebra_evpn_bgp_cfg_clean_up(struct zserv *client) |
27627f9a KA |
10246 | { |
10247 | struct vrf *vrf; | |
10248 | struct zebra_vrf *zvrf; | |
10249 | ||
27627f9a KA |
10250 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
10251 | zvrf = vrf->info; | |
10252 | if (zvrf) | |
10253 | zebra_evpn_vrf_cfg_cleanup(zvrf); | |
10254 | } | |
10255 | ||
10256 | return 0; | |
10257 | } | |
10258 | ||
ecbbc3a7 AK |
10259 | static int zebra_evpn_pim_cfg_clean_up(struct zserv *client) |
10260 | { | |
10261 | struct zebra_vrf *zvrf = zebra_vrf_get_evpn(); | |
10262 | ||
10263 | if (CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG)) { | |
10264 | if (IS_ZEBRA_DEBUG_VXLAN) | |
10265 | zlog_debug("VxLAN SG updates to PIM, stop"); | |
10266 | UNSET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG); | |
10267 | } | |
10268 | ||
10269 | return 0; | |
10270 | } | |
10271 | ||
10272 | static int zebra_evpn_cfg_clean_up(struct zserv *client) | |
10273 | { | |
10274 | if (client->proto == ZEBRA_ROUTE_BGP) | |
10275 | return zebra_evpn_bgp_cfg_clean_up(client); | |
10276 | ||
10277 | if (client->proto == ZEBRA_ROUTE_PIM) | |
10278 | return zebra_evpn_pim_cfg_clean_up(client); | |
10279 | ||
10280 | return 0; | |
10281 | } | |
10282 | ||
036d93c0 MS |
10283 | /* |
10284 | * Handle results for vxlan dataplane operations. | |
10285 | */ | |
10286 | extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx) | |
10287 | { | |
10288 | /* TODO -- anything other than freeing the context? */ | |
10289 | dplane_ctx_fini(&ctx); | |
10290 | } | |
10291 | ||
27627f9a KA |
10292 | /* Cleanup BGP EVPN configuration upon client disconnect */ |
10293 | extern void zebra_evpn_init(void) | |
10294 | { | |
10295 | hook_register(zserv_client_close, zebra_evpn_cfg_clean_up); | |
10296 | } |