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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 QY |
52 | #include "zebra/zebra_vxlan_private.h" |
53 | #include "zebra/zserv.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"); | |
13d60d35 | 61 | |
62 | /* definitions */ | |
63 | ||
13d60d35 | 64 | /* static function declarations */ |
996c9314 LB |
65 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
66 | uint16_t cmd); | |
cd233079 | 67 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 68 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
69 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 70 | void **args); |
c0e519d3 MK |
71 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
72 | json_object *json); | |
316f4ca4 MK |
73 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
74 | json_object *json); | |
24cdbd0d | 75 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json); |
d62a17ae | 76 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); |
77 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
78 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
79 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 80 | |
996c9314 | 81 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 82 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 83 | uint32_t seq, uint16_t cmd); |
d62a17ae | 84 | static unsigned int neigh_hash_keymake(void *p); |
d62a17ae | 85 | static void *zvni_neigh_alloc(void *p); |
b6938a74 MK |
86 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
87 | struct ethaddr *mac); | |
d62a17ae | 88 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 89 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
90 | struct in_addr *r_vtep_ip); | |
996c9314 | 91 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 92 | uint32_t flags); |
d62a17ae | 93 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 94 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 95 | struct ethaddr *macaddr, |
f07e1c99 | 96 | uint8_t flags, uint32_t seq); |
996c9314 | 97 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
98 | struct ethaddr *macaddr, |
99 | uint8_t flags); | |
d62a17ae | 100 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
101 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 102 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
103 | struct interface *br_if); |
104 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 105 | |
b7cfce93 | 106 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 107 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
108 | struct ipaddr *ip); |
109 | static void *zl3vni_nh_alloc(void *p); | |
110 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
111 | struct ipaddr *vtep_ip, | |
112 | struct ethaddr *rmac); | |
113 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
114 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 115 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
116 | |
117 | /* l3-vni rmac related APIs */ | |
118 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
2dbad57f | 119 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
120 | struct ethaddr *rmac); |
121 | static void *zl3vni_rmac_alloc(void *p); | |
122 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
123 | struct ethaddr *rmac); | |
124 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
125 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 126 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
127 | |
128 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
129 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
130 | static void *zl3vni_alloc(void *p); | |
131 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
132 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
133 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
134 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
135 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
136 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
137 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
138 | ||
d62a17ae | 139 | static unsigned int mac_hash_keymake(void *p); |
74df8d6d | 140 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 141 | static void *zvni_mac_alloc(void *p); |
142 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
143 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 144 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
145 | struct in_addr *r_vtep_ip); | |
996c9314 | 146 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 147 | uint32_t flags); |
d62a17ae | 148 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 149 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 150 | uint8_t flags, uint32_t seq); |
e98e4b88 | 151 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr); |
d62a17ae | 152 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
153 | struct interface *br_if, vlanid_t vid); | |
154 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 155 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
d62a17ae | 156 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); |
157 | ||
158 | static unsigned int vni_hash_keymake(void *p); | |
d62a17ae | 159 | static void *zvni_alloc(void *p); |
2853fed6 | 160 | static zebra_vni_t *zvni_lookup(vni_t vni); |
161 | static zebra_vni_t *zvni_add(vni_t vni); | |
162 | static int zvni_del(zebra_vni_t *zvni); | |
163 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
164 | static int zvni_send_del_to_client(vni_t vni); | |
165 | static void zvni_build_hash_table(); | |
d62a17ae | 166 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
167 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
168 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
169 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
170 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
171 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
172 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
173 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
174 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
175 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
176 | struct ethaddr *macaddr, struct ipaddr *ip); | |
177 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
178 | struct ipaddr *ip); | |
179 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 180 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
e22a946a CS |
181 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, |
182 | zebra_mac_t *old_zmac, | |
183 | zebra_mac_t *new_zmac, | |
184 | zebra_neigh_t *nbr); | |
fe697c6b | 185 | static int remote_neigh_count(zebra_mac_t *zmac); |
186 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
c80a972c CS |
187 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t); |
188 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t); | |
13d60d35 | 189 | |
190 | /* Private functions */ | |
5e1b0650 | 191 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 192 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
193 | { |
194 | if (hle1->p.family < hle2->p.family) | |
195 | return -1; | |
196 | ||
197 | if (hle1->p.family > hle2->p.family) | |
198 | return 1; | |
199 | ||
200 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
201 | return -1; | |
202 | ||
203 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
204 | return 1; | |
205 | ||
206 | if (hle1->p.family == AF_INET) { | |
207 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
208 | return -1; | |
209 | ||
210 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
211 | return 1; | |
212 | ||
213 | return 0; | |
2acc2310 DS |
214 | } else if (hle1->p.family == AF_INET6) { |
215 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
216 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 217 | } else { |
9df414fe QY |
218 | zlog_debug("%s: Unexpected family type: %d", |
219 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
220 | return 0; |
221 | } | |
222 | } | |
85442b09 | 223 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 224 | |
85442b09 | 225 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
226 | { |
227 | struct host_rb_entry *hle; | |
228 | uint32_t count = 0; | |
229 | ||
85442b09 | 230 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
231 | count++; |
232 | ||
233 | return count; | |
234 | } | |
13d60d35 | 235 | |
790f8dc5 | 236 | /* |
237 | * Return number of valid MACs in a VNI's MAC hash table - all | |
238 | * remote MACs and non-internal (auto) local MACs count. | |
239 | */ | |
d7c0a89a | 240 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 241 | { |
242 | unsigned int i; | |
d7c0a89a | 243 | uint32_t num_macs = 0; |
790f8dc5 | 244 | struct hash *hash; |
245 | struct hash_backet *hb; | |
246 | zebra_mac_t *mac; | |
247 | ||
248 | hash = zvni->mac_table; | |
249 | if (!hash) | |
250 | return num_macs; | |
251 | for (i = 0; i < hash->size; i++) { | |
252 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
253 | mac = (zebra_mac_t *)hb->data; | |
254 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 255 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 256 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
257 | num_macs++; | |
258 | } | |
259 | } | |
260 | ||
261 | return num_macs; | |
262 | } | |
263 | ||
2853fed6 | 264 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 265 | { |
2853fed6 | 266 | struct zebra_vrf *zvrf; |
267 | ||
268 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
269 | if (zvrf && zvrf->advertise_gw_macip) |
270 | return 1; | |
271 | ||
272 | if (zvni && zvni->advertise_gw_macip) | |
273 | return 1; | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
e22a946a CS |
278 | /* As part Duplicate Address Detection (DAD) for IP mobility |
279 | * MAC binding changes, ensure to inheirt duplicate flag | |
280 | */ | |
281 | static int zebra_vxlan_ip_inherit_dad_from_mac(struct zebra_vrf *zvrf, | |
282 | zebra_mac_t *old_zmac, | |
283 | zebra_mac_t *new_zmac, | |
284 | zebra_neigh_t *nbr) | |
285 | { | |
286 | bool is_old_mac_dup = false; | |
287 | bool is_new_mac_dup = false; | |
288 | ||
289 | if (!zvrf->dup_addr_detect) | |
290 | return 0; | |
291 | /* Check old or new MAC is detected as duplicate | |
292 | * mark this neigh as duplicate | |
293 | */ | |
294 | if (old_zmac) | |
295 | is_old_mac_dup = CHECK_FLAG(old_zmac->flags, | |
296 | ZEBRA_MAC_DUPLICATE); | |
297 | if (new_zmac) | |
298 | is_new_mac_dup = CHECK_FLAG(new_zmac->flags, | |
299 | ZEBRA_MAC_DUPLICATE); | |
300 | /* Old and/or new MAC can be in duplicate state, | |
301 | * based on that IP/Neigh Inherits the flag. | |
302 | * If New MAC is marked duplicate, inherit to the IP. | |
303 | * If old MAC is duplicate but new MAC is not, clear | |
304 | * duplicate flag for IP and reset detection params | |
305 | * and let IP DAD retrigger. | |
306 | */ | |
307 | if (is_new_mac_dup && !CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
308 | SET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
309 | /* Capture Duplicate detection time */ | |
310 | nbr->dad_dup_detect_time = monotime(NULL); | |
311 | return 1; | |
312 | } else if (is_old_mac_dup && !is_new_mac_dup) { | |
313 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
314 | nbr->dad_count = 0; | |
315 | nbr->detect_start_time.tv_sec = 0; | |
316 | nbr->detect_start_time.tv_usec = 0; | |
317 | } | |
318 | return 0; | |
319 | } | |
320 | ||
cec2e17d | 321 | /* |
322 | * Helper function to determine maximum width of neighbor IP address for | |
323 | * display - just because we're dealing with IPv6 addresses that can | |
324 | * widely vary. | |
325 | */ | |
d62a17ae | 326 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 327 | { |
d62a17ae | 328 | zebra_neigh_t *n; |
329 | char buf[INET6_ADDRSTRLEN]; | |
330 | struct neigh_walk_ctx *wctx = ctxt; | |
331 | int width; | |
cec2e17d | 332 | |
d62a17ae | 333 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 334 | |
1445b43c A |
335 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
336 | width = strlen(buf); | |
d62a17ae | 337 | if (width > wctx->addr_width) |
338 | wctx->addr_width = width; | |
68e33151 | 339 | |
cec2e17d | 340 | } |
341 | ||
342 | /* | |
343 | * Print a specific neighbor entry. | |
344 | */ | |
cd233079 | 345 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 346 | { |
d62a17ae | 347 | struct vty *vty; |
348 | char buf1[ETHER_ADDR_STRLEN]; | |
349 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 350 | const char *type_str; |
351 | const char *state_str; | |
352 | bool flags_present = false; | |
87454e6b CS |
353 | struct zebra_vrf *zvrf; |
354 | struct timeval detect_start_time = {0, 0}; | |
cec2e17d | 355 | |
87454e6b | 356 | zvrf = zebra_vrf_lookup_by_id(n->zvni->vrf_id); |
cd233079 CS |
357 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
358 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 359 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
360 | "local" : "remote"; | |
361 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
362 | vty = (struct vty *)ctxt; |
363 | if (json == NULL) { | |
364 | vty_out(vty, "IP: %s\n", | |
365 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 366 | vty_out(vty, " Type: %s\n", type_str); |
367 | vty_out(vty, " State: %s\n", state_str); | |
368 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
369 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
370 | } else { | |
371 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 372 | json_object_string_add(json, "type", type_str); |
373 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
374 | json_object_string_add(json, "mac", buf1); |
375 | } | |
376 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 377 | if (json == NULL) { |
1a8c5c38 | 378 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 379 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 380 | } else |
cd233079 CS |
381 | json_object_string_add(json, "remoteVtep", |
382 | inet_ntoa(n->r_vtep_ip)); | |
383 | } | |
ead40654 | 384 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 385 | if (!json) { |
386 | vty_out(vty, " Flags: Default-gateway"); | |
387 | flags_present = true; | |
388 | } else | |
ead40654 MK |
389 | json_object_boolean_true_add(json, "defaultGateway"); |
390 | } | |
68e33151 | 391 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 392 | if (!json) { |
393 | vty_out(vty, | |
394 | flags_present ? " ,Router" : " Flags: Router"); | |
395 | flags_present = true; | |
396 | } | |
68e33151 | 397 | } |
f07e1c99 | 398 | if (json == NULL) { |
1a8c5c38 | 399 | if (flags_present) |
400 | vty_out(vty, "\n"); | |
401 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 402 | n->loc_seq, n->rem_seq); |
87454e6b CS |
403 | |
404 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
405 | vty_out(vty, " Duplicate, detected at %s", | |
406 | time_to_string(n->dad_dup_detect_time)); | |
407 | } else if (n->dad_count) { | |
408 | monotime_since(&n->detect_start_time, | |
409 | &detect_start_time); | |
410 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
411 | char *buf = time_to_string(n-> | |
412 | detect_start_time.tv_sec); | |
413 | char tmp_buf[30]; | |
414 | ||
415 | memset(tmp_buf, 0, 30); | |
416 | strncpy(tmp_buf, buf, strlen(buf) - 1); | |
417 | vty_out(vty, | |
418 | " Duplicate detection started at %s, detection count %u\n", | |
419 | tmp_buf, n->dad_count); | |
420 | } | |
421 | } | |
1a8c5c38 | 422 | } else { |
423 | json_object_int_add(json, "localSequence", n->loc_seq); | |
424 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
87454e6b CS |
425 | json_object_int_add(json, "detectionCount", |
426 | n->dad_count); | |
427 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
428 | json_object_boolean_true_add(json, "isDuplicate"); | |
429 | else | |
430 | json_object_boolean_false_add(json, "isDuplicate"); | |
431 | ||
432 | ||
68e33151 | 433 | } |
cec2e17d | 434 | } |
435 | ||
436 | /* | |
437 | * Print neighbor hash entry - called for display of all neighbors. | |
438 | */ | |
d62a17ae | 439 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
440 | { | |
441 | struct vty *vty; | |
cd233079 | 442 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 443 | zebra_neigh_t *n; |
444 | char buf1[ETHER_ADDR_STRLEN]; | |
445 | char buf2[INET6_ADDRSTRLEN]; | |
446 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 447 | const char *state_str; |
d62a17ae | 448 | |
449 | vty = wctx->vty; | |
cd233079 | 450 | json_vni = wctx->json; |
d62a17ae | 451 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 452 | |
cd233079 CS |
453 | if (json_vni) |
454 | json_row = json_object_new_object(); | |
455 | ||
d62a17ae | 456 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
457 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 458 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
459 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
460 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
461 | return; | |
462 | ||
cd233079 | 463 | if (json_vni == NULL) { |
1a8c5c38 | 464 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
465 | -wctx->addr_width, buf2, "local", | |
466 | state_str, buf1); | |
cd233079 CS |
467 | } else { |
468 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 469 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 470 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 471 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
472 | json_object_boolean_true_add( | |
473 | json_row, "defaultGateway"); | |
474 | json_object_int_add(json_row, "localSequence", | |
475 | n->loc_seq); | |
476 | json_object_int_add(json_row, "remoteSequence", | |
477 | n->rem_seq); | |
87454e6b CS |
478 | json_object_int_add(json_row, "detectionCount", |
479 | n->dad_count); | |
480 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
481 | json_object_boolean_true_add(json_row, | |
482 | "isDuplicate"); | |
483 | else | |
484 | json_object_boolean_false_add(json_row, | |
485 | "isDuplicate"); | |
cd233079 | 486 | } |
d62a17ae | 487 | wctx->count++; |
1a8c5c38 | 488 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
489 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
490 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
491 | return; | |
492 | ||
493 | if (json_vni == NULL) { | |
494 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
495 | (wctx->count == 0)) | |
496 | vty_out(vty, | |
497 | "%*s %-6s %-8s %-17s %-21s\n", | |
498 | -wctx->addr_width, "Neighbor", "Type", | |
499 | "State", "MAC", "Remote VTEP"); | |
500 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
501 | -wctx->addr_width, buf2, "remote", state_str, | |
502 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 503 | } else { |
1a8c5c38 | 504 | json_object_string_add(json_row, "type", "remote"); |
505 | json_object_string_add(json_row, "state", state_str); | |
506 | json_object_string_add(json_row, "mac", buf1); | |
507 | json_object_string_add(json_row, "remoteVtep", | |
508 | inet_ntoa(n->r_vtep_ip)); | |
509 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
510 | json_object_boolean_true_add(json_row, | |
511 | "defaultGateway"); | |
512 | json_object_int_add(json_row, "localSequence", | |
513 | n->loc_seq); | |
514 | json_object_int_add(json_row, "remoteSequence", | |
515 | n->rem_seq); | |
87454e6b CS |
516 | json_object_int_add(json_row, "detectionCount", |
517 | n->dad_count); | |
518 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) | |
519 | json_object_boolean_true_add(json_row, | |
520 | "isDuplicate"); | |
521 | else | |
522 | json_object_boolean_false_add(json_row, | |
523 | "isDuplicate"); | |
d62a17ae | 524 | } |
1a8c5c38 | 525 | wctx->count++; |
d62a17ae | 526 | } |
cd233079 CS |
527 | |
528 | if (json_vni) | |
529 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 530 | } |
531 | ||
532 | /* | |
533 | * Print neighbors for all VNI. | |
534 | */ | |
d62a17ae | 535 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 536 | void **args) |
cec2e17d | 537 | { |
d62a17ae | 538 | struct vty *vty; |
cd233079 | 539 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 540 | zebra_vni_t *zvni; |
d7c0a89a | 541 | uint32_t num_neigh; |
d62a17ae | 542 | struct neigh_walk_ctx wctx; |
cd233079 CS |
543 | char vni_str[VNI_STR_LEN]; |
544 | ||
545 | vty = (struct vty *)args[0]; | |
546 | json = (json_object *)args[1]; | |
cec2e17d | 547 | |
d62a17ae | 548 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 549 | |
d62a17ae | 550 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 551 | if (json == NULL) { |
cd233079 CS |
552 | vty_out(vty, |
553 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
554 | zvni->vni, num_neigh); | |
68e33151 | 555 | } else { |
cd233079 CS |
556 | json_vni = json_object_new_object(); |
557 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
558 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
559 | } | |
560 | if (!num_neigh) { | |
561 | if (json) | |
562 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 563 | return; |
cd233079 | 564 | } |
cec2e17d | 565 | |
d62a17ae | 566 | /* Since we have IPv6 addresses to deal with which can vary widely in |
567 | * size, we try to be a bit more elegant in display by first computing | |
568 | * the maximum width. | |
569 | */ | |
570 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
571 | wctx.zvni = zvni; | |
572 | wctx.vty = vty; | |
573 | wctx.addr_width = 15; | |
cd233079 | 574 | wctx.json = json_vni; |
d62a17ae | 575 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 576 | |
68e33151 | 577 | if (json == NULL) { |
1a8c5c38 | 578 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
579 | -wctx.addr_width, "IP", "Type", | |
580 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 581 | } |
d62a17ae | 582 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
583 | |
584 | if (json) | |
585 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 586 | } |
587 | ||
9aa741ea | 588 | /* print a specific next hop for an l3vni */ |
996c9314 | 589 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 590 | json_object *json) |
9aa741ea MK |
591 | { |
592 | char buf1[ETHER_ADDR_STRLEN]; | |
593 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 594 | json_object *json_hosts = NULL; |
f2a503f0 | 595 | struct host_rb_entry *hle; |
9aa741ea | 596 | |
c0e519d3 MK |
597 | if (!json) { |
598 | vty_out(vty, "Ip: %s\n", | |
599 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
600 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 601 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
602 | vty_out(vty, " Refcount: %d\n", |
603 | rb_host_count(&n->host_rb)); | |
4cce389e | 604 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 605 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 606 | vty_out(vty, " %s\n", |
f2a503f0 | 607 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
608 | } else { |
609 | json_hosts = json_object_new_array(); | |
996c9314 LB |
610 | json_object_string_add( |
611 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
612 | json_object_string_add( | |
613 | json, "routerMac", | |
614 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
615 | json_object_int_add(json, "refCount", |
616 | rb_host_count(&n->host_rb)); | |
85442b09 | 617 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 618 | json_object_array_add(json_hosts, |
996c9314 | 619 | json_object_new_string(prefix2str( |
f2a503f0 | 620 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 621 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 622 | } |
9aa741ea MK |
623 | } |
624 | ||
625 | /* Print a specific RMAC entry */ | |
996c9314 | 626 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 627 | json_object *json) |
9aa741ea MK |
628 | { |
629 | char buf1[ETHER_ADDR_STRLEN]; | |
630 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 631 | json_object *json_hosts = NULL; |
5e1b0650 | 632 | struct host_rb_entry *hle; |
9aa741ea | 633 | |
316f4ca4 MK |
634 | if (!json) { |
635 | vty_out(vty, "MAC: %s\n", | |
636 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
637 | vty_out(vty, " Remote VTEP: %s\n", | |
638 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 639 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 640 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 641 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 642 | vty_out(vty, " %s\n", |
5e1b0650 | 643 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
644 | } else { |
645 | json_hosts = json_object_new_array(); | |
996c9314 LB |
646 | json_object_string_add( |
647 | json, "routerMac", | |
648 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 649 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 650 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
651 | json_object_int_add(json, "refCount", |
652 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 653 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
654 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 655 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
656 | json_object_array_add( |
657 | json_hosts, | |
658 | json_object_new_string(prefix2str( | |
659 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 660 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 661 | } |
9aa741ea MK |
662 | } |
663 | ||
cec2e17d | 664 | /* |
665 | * Print a specific MAC entry. | |
666 | */ | |
24cdbd0d | 667 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json) |
d62a17ae | 668 | { |
669 | struct vty *vty; | |
b6938a74 MK |
670 | zebra_neigh_t *n = NULL; |
671 | struct listnode *node = NULL; | |
d62a17ae | 672 | char buf1[20]; |
b6938a74 | 673 | char buf2[INET6_ADDRSTRLEN]; |
87454e6b CS |
674 | struct zebra_vrf *zvrf; |
675 | struct timeval detect_start_time = {0, 0}; | |
676 | ||
677 | zvrf = zebra_vrf_lookup_by_id(mac->zvni->vrf_id); | |
d62a17ae | 678 | |
679 | vty = (struct vty *)ctxt; | |
24cdbd0d | 680 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); |
d62a17ae | 681 | |
24cdbd0d DS |
682 | if (json) { |
683 | json_object *json_mac = json_object_new_object(); | |
684 | ||
685 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
686 | struct zebra_ns *zns; | |
687 | struct interface *ifp; | |
688 | ifindex_t ifindex; | |
689 | ||
690 | ifindex = mac->fwd_info.local.ifindex; | |
691 | zns = zebra_ns_lookup(NS_DEFAULT); | |
692 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
693 | if (!ifp) | |
694 | return; | |
695 | json_object_string_add(json_mac, "type", "local"); | |
696 | json_object_string_add(json_mac, "intf", ifp->name); | |
697 | json_object_int_add(json_mac, "ifindex", ifindex); | |
698 | if (mac->fwd_info.local.vid) | |
699 | json_object_int_add(json_mac, "vlan", | |
700 | mac->fwd_info.local.vid); | |
701 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
702 | json_object_string_add(json_mac, "type", "remote"); | |
703 | json_object_string_add( | |
704 | json_mac, "remoteVtep", | |
705 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
706 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) | |
29611019 | 707 | json_object_string_add(json_mac, "type", "auto"); |
b6938a74 | 708 | |
24cdbd0d DS |
709 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
710 | json_object_boolean_true_add(json_mac, "stickyMac"); | |
ead40654 | 711 | |
24cdbd0d DS |
712 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) |
713 | json_object_boolean_true_add(json_mac, | |
714 | "defaultGateway"); | |
ead40654 | 715 | |
24cdbd0d DS |
716 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
717 | json_object_boolean_true_add(json_mac, | |
718 | "remoteGatewayMac"); | |
51f4dab4 | 719 | |
24cdbd0d DS |
720 | json_object_int_add(json_mac, "localSequence", mac->loc_seq); |
721 | json_object_int_add(json_mac, "remoteSequence", mac->rem_seq); | |
f07e1c99 | 722 | |
87454e6b CS |
723 | json_object_int_add(json_mac, "detectionCount", mac->dad_count); |
724 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
725 | json_object_boolean_true_add(json_mac, "isDuplicate"); | |
726 | else | |
727 | json_object_boolean_false_add(json_mac, "isDuplicate"); | |
728 | ||
24cdbd0d DS |
729 | /* print all the associated neigh */ |
730 | if (!listcount(mac->neigh_list)) | |
731 | json_object_string_add(json_mac, "neighbors", "none"); | |
732 | else { | |
733 | json_object *json_active_nbrs = json_object_new_array(); | |
734 | json_object *json_inactive_nbrs = | |
735 | json_object_new_array(); | |
736 | json_object *json_nbrs = json_object_new_object(); | |
737 | ||
738 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
739 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
740 | json_object_array_add( | |
741 | json_active_nbrs, | |
742 | json_object_new_string( | |
743 | ipaddr2str( | |
744 | &n->ip, buf2, | |
745 | sizeof(buf2)))); | |
746 | else | |
747 | json_object_array_add( | |
748 | json_inactive_nbrs, | |
749 | json_object_new_string( | |
750 | ipaddr2str( | |
751 | &n->ip, buf2, | |
752 | sizeof(buf2)))); | |
753 | } | |
754 | ||
755 | json_object_object_add(json_nbrs, "active", | |
756 | json_active_nbrs); | |
757 | json_object_object_add(json_nbrs, "inactive", | |
758 | json_inactive_nbrs); | |
759 | json_object_object_add(json_mac, "neighbors", | |
760 | json_nbrs); | |
b6938a74 | 761 | } |
b6938a74 | 762 | |
24cdbd0d DS |
763 | json_object_object_add(json, buf1, json_mac); |
764 | vty_out(vty, "%s\n", | |
765 | json_object_to_json_string_ext( | |
766 | json, JSON_C_TO_STRING_PRETTY)); | |
767 | json_object_free(json); | |
768 | } else { | |
769 | vty_out(vty, "MAC: %s\n", buf1); | |
770 | ||
771 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
772 | struct zebra_ns *zns; | |
773 | struct interface *ifp; | |
774 | ifindex_t ifindex; | |
775 | ||
776 | ifindex = mac->fwd_info.local.ifindex; | |
777 | zns = zebra_ns_lookup(NS_DEFAULT); | |
778 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
779 | if (!ifp) | |
780 | return; | |
781 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
782 | if (mac->fwd_info.local.vid) | |
783 | vty_out(vty, " VLAN: %u", | |
784 | mac->fwd_info.local.vid); | |
785 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
786 | vty_out(vty, " Remote VTEP: %s", | |
787 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
788 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
789 | vty_out(vty, " Auto Mac "); | |
790 | } | |
791 | ||
792 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
793 | vty_out(vty, " Sticky Mac "); | |
794 | ||
795 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
796 | vty_out(vty, " Default-gateway Mac "); | |
797 | ||
798 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) | |
799 | vty_out(vty, " Remote-gateway Mac "); | |
800 | ||
801 | vty_out(vty, "\n"); | |
802 | vty_out(vty, " Local Seq: %u Remote Seq: %u", mac->loc_seq, | |
803 | mac->rem_seq); | |
804 | vty_out(vty, "\n"); | |
805 | ||
87454e6b CS |
806 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { |
807 | vty_out(vty, " Duplicate, detected at %s", | |
808 | time_to_string(mac->dad_dup_detect_time)); | |
809 | } else if (mac->dad_count) { | |
810 | monotime_since(&mac->detect_start_time, | |
811 | &detect_start_time); | |
812 | if (detect_start_time.tv_sec <= zvrf->dad_time) { | |
813 | char *buf = time_to_string(mac-> | |
814 | detect_start_time.tv_sec); | |
815 | char tmp_buf[30]; | |
816 | ||
817 | memset(tmp_buf, 0, 30); | |
818 | strncpy(tmp_buf, buf, strlen(buf) - 1); | |
819 | vty_out(vty, | |
820 | " Duplicate detection started at %s, detection count %u\n", | |
821 | tmp_buf, mac->dad_count); | |
822 | } | |
823 | } | |
824 | ||
24cdbd0d DS |
825 | /* print all the associated neigh */ |
826 | vty_out(vty, " Neighbors:\n"); | |
827 | if (!listcount(mac->neigh_list)) | |
828 | vty_out(vty, " No Neighbors\n"); | |
829 | else { | |
830 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
831 | vty_out(vty, " %s %s\n", | |
832 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
833 | (IS_ZEBRA_NEIGH_ACTIVE(n) | |
834 | ? "Active" | |
835 | : "Inactive")); | |
836 | } | |
837 | } | |
838 | ||
839 | vty_out(vty, "\n"); | |
840 | } | |
cec2e17d | 841 | } |
842 | ||
843 | /* | |
844 | * Print MAC hash entry - called for display of all MACs. | |
845 | */ | |
d62a17ae | 846 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
847 | { | |
848 | struct vty *vty; | |
cd233079 | 849 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 850 | zebra_mac_t *mac; |
851 | char buf1[20]; | |
852 | struct mac_walk_ctx *wctx = ctxt; | |
853 | ||
854 | vty = wctx->vty; | |
cd233079 | 855 | json_mac_hdr = wctx->json; |
d62a17ae | 856 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 857 | |
858 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
859 | |
860 | if (json_mac_hdr) | |
861 | json_mac = json_object_new_object(); | |
862 | ||
1a8c5c38 | 863 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 864 | struct zebra_ns *zns; |
865 | ifindex_t ifindex; | |
866 | struct interface *ifp; | |
867 | vlanid_t vid; | |
868 | ||
1a8c5c38 | 869 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
870 | return; | |
871 | ||
d62a17ae | 872 | zns = zebra_ns_lookup(NS_DEFAULT); |
873 | ifindex = mac->fwd_info.local.ifindex; | |
874 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
875 | if (!ifp) // unexpected | |
876 | return; | |
877 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
878 | if (json_mac_hdr == NULL) |
879 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
880 | ifp->name); | |
881 | else { | |
882 | json_object_string_add(json_mac, "type", "local"); | |
883 | json_object_string_add(json_mac, "intf", ifp->name); | |
884 | } | |
885 | if (vid) { | |
886 | if (json_mac_hdr == NULL) | |
887 | vty_out(vty, " %-5u", vid); | |
888 | else | |
889 | json_object_int_add(json_mac, "vlan", vid); | |
890 | } | |
1a8c5c38 | 891 | if (json_mac_hdr == NULL) { |
cd233079 | 892 | vty_out(vty, "\n"); |
1a8c5c38 | 893 | } else { |
894 | json_object_int_add(json_mac, "localSequence", | |
895 | mac->loc_seq); | |
896 | json_object_int_add(json_mac, "remoteSequence", | |
897 | mac->rem_seq); | |
87454e6b CS |
898 | json_object_int_add(json_mac, "detectionCount", |
899 | mac->dad_count); | |
900 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
901 | json_object_boolean_true_add(json_mac, | |
902 | "isDuplicate"); | |
903 | else | |
904 | json_object_boolean_false_add(json_mac, | |
905 | "isDuplicate"); | |
cd233079 | 906 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 907 | } |
908 | ||
d62a17ae | 909 | wctx->count++; |
1a8c5c38 | 910 | |
b6938a74 | 911 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 912 | |
913 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
914 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
915 | &wctx->r_vtep_ip)) | |
916 | return; | |
917 | ||
918 | if (json_mac_hdr == NULL) { | |
919 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
920 | (wctx->count == 0)) { | |
921 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
922 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
923 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 924 | } |
1a8c5c38 | 925 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
926 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 927 | } else { |
1a8c5c38 | 928 | json_object_string_add(json_mac, "type", "remote"); |
929 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 930 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 931 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
932 | json_object_int_add(json_mac, "localSequence", | |
933 | mac->loc_seq); | |
934 | json_object_int_add(json_mac, "remoteSequence", | |
935 | mac->rem_seq); | |
87454e6b CS |
936 | json_object_int_add(json_mac, "detectionCount", |
937 | mac->dad_count); | |
938 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) | |
939 | json_object_boolean_true_add(json_mac, | |
940 | "isDuplicate"); | |
941 | else | |
942 | json_object_boolean_false_add(json_mac, | |
943 | "isDuplicate"); | |
944 | ||
d62a17ae | 945 | } |
1a8c5c38 | 946 | |
947 | wctx->count++; | |
d62a17ae | 948 | } |
cec2e17d | 949 | } |
950 | ||
951 | /* | |
952 | * Print MACs for all VNI. | |
953 | */ | |
d62a17ae | 954 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 955 | { |
d62a17ae | 956 | struct vty *vty; |
cd233079 CS |
957 | json_object *json = NULL, *json_vni = NULL; |
958 | json_object *json_mac = NULL; | |
d62a17ae | 959 | zebra_vni_t *zvni; |
d7c0a89a | 960 | uint32_t num_macs; |
d62a17ae | 961 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 962 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 963 | |
d62a17ae | 964 | vty = (struct vty *)wctx->vty; |
cd233079 | 965 | json = (struct json_object *)wctx->json; |
cec2e17d | 966 | |
d62a17ae | 967 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 968 | wctx->zvni = zvni; |
cec2e17d | 969 | |
d62a17ae | 970 | /*We are iterating over a new VNI, set the count to 0*/ |
971 | wctx->count = 0; | |
cec2e17d | 972 | |
790f8dc5 | 973 | num_macs = num_valid_macs(zvni); |
d62a17ae | 974 | if (!num_macs) |
975 | return; | |
cd233079 CS |
976 | |
977 | if (json) { | |
978 | json_vni = json_object_new_object(); | |
979 | json_mac = json_object_new_object(); | |
980 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 981 | } |
cec2e17d | 982 | |
cd233079 CS |
983 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
984 | if (json == NULL) { | |
985 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
986 | zvni->vni, num_macs); | |
987 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
988 | "Intf/Remote VTEP", "VLAN"); | |
989 | } else | |
990 | json_object_int_add(json_vni, "numMacs", num_macs); | |
991 | } | |
992 | /* assign per-vni to wctx->json object to fill macs | |
993 | * under the vni. Re-assign primary json object to fill | |
994 | * next vni information. | |
995 | */ | |
996 | wctx->json = json_mac; | |
d62a17ae | 997 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
998 | wctx->json = json; |
999 | if (json) { | |
1000 | if (wctx->count) | |
1001 | json_object_object_add(json_vni, "macs", json_mac); | |
1002 | json_object_object_add(json, vni_str, json_vni); | |
1003 | } | |
cec2e17d | 1004 | } |
1005 | ||
996c9314 | 1006 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
1007 | { |
1008 | struct nh_walk_ctx *wctx = NULL; | |
1009 | struct vty *vty = NULL; | |
32798965 | 1010 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
1011 | struct json_object *json_nh = NULL; |
1012 | zebra_neigh_t *n = NULL; | |
1013 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 1014 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1015 | |
1016 | wctx = (struct nh_walk_ctx *)ctx; | |
1017 | vty = wctx->vty; | |
32798965 MK |
1018 | json_vni = wctx->json; |
1019 | if (json_vni) | |
b7cfce93 MK |
1020 | json_nh = json_object_new_object(); |
1021 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 1022 | |
32798965 | 1023 | if (!json_vni) { |
4cce389e | 1024 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 1025 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 1026 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 1027 | } else { |
4cce389e | 1028 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 1029 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
1030 | json_object_string_add( |
1031 | json_nh, "routerMac", | |
1032 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
1033 | json_object_object_add(json_vni, |
1034 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
1035 | json_nh); | |
b7cfce93 MK |
1036 | } |
1037 | } | |
1038 | ||
2dbad57f | 1039 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 1040 | void **args) |
2dbad57f | 1041 | { |
1042 | struct vty *vty = NULL; | |
1043 | json_object *json = NULL; | |
1044 | json_object *json_vni = NULL; | |
2dbad57f | 1045 | zebra_l3vni_t *zl3vni = NULL; |
1046 | uint32_t num_nh = 0; | |
32798965 | 1047 | struct nh_walk_ctx wctx; |
2dbad57f | 1048 | char vni_str[VNI_STR_LEN]; |
1049 | ||
32798965 MK |
1050 | vty = (struct vty *)args[0]; |
1051 | json = (struct json_object *)args[1]; | |
2dbad57f | 1052 | |
1053 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 1054 | |
1055 | num_nh = hashcount(zl3vni->nh_table); | |
1056 | if (!num_nh) | |
1057 | return; | |
1058 | ||
1059 | if (json) { | |
1060 | json_vni = json_object_new_object(); | |
2dbad57f | 1061 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1062 | } | |
1063 | ||
1064 | if (json == NULL) { | |
996c9314 | 1065 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 1066 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 1067 | } else |
4cce389e | 1068 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 1069 | |
32798965 MK |
1070 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
1071 | wctx.vty = vty; | |
1072 | wctx.json = json_vni; | |
1073 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
1074 | if (json) | |
2dbad57f | 1075 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 1076 | } |
1077 | ||
b7cfce93 | 1078 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 1079 | void **args) |
b7cfce93 MK |
1080 | { |
1081 | struct vty *vty = NULL; | |
1082 | json_object *json = NULL; | |
1083 | json_object *json_vni = NULL; | |
b7cfce93 | 1084 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 1085 | uint32_t num_rmacs; |
c0b4eaa4 | 1086 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
1087 | char vni_str[VNI_STR_LEN]; |
1088 | ||
c0b4eaa4 MK |
1089 | vty = (struct vty *)args[0]; |
1090 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
1091 | |
1092 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1093 | |
1094 | num_rmacs = hashcount(zl3vni->rmac_table); | |
1095 | if (!num_rmacs) | |
1096 | return; | |
1097 | ||
1098 | if (json) { | |
1099 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
1100 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
1101 | } | |
1102 | ||
1103 | if (json == NULL) { | |
996c9314 | 1104 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 1105 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
1106 | } else |
1107 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
1108 | ||
1109 | /* assign per-vni to wctx->json object to fill macs | |
1110 | * under the vni. Re-assign primary json object to fill | |
1111 | * next vni information. | |
1112 | */ | |
c0b4eaa4 MK |
1113 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
1114 | wctx.vty = vty; | |
1115 | wctx.json = json_vni; | |
1116 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
1117 | if (json) | |
b7cfce93 | 1118 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
1119 | } |
1120 | ||
996c9314 | 1121 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
1122 | { |
1123 | zebra_mac_t *zrmac = NULL; | |
1124 | struct rmac_walk_ctx *wctx = NULL; | |
1125 | struct vty *vty = NULL; | |
1126 | struct json_object *json = NULL; | |
1127 | struct json_object *json_rmac = NULL; | |
1128 | char buf[ETHER_ADDR_STRLEN]; | |
1129 | ||
1130 | wctx = (struct rmac_walk_ctx *)ctx; | |
1131 | vty = wctx->vty; | |
1132 | json = wctx->json; | |
1133 | if (json) | |
1134 | json_rmac = json_object_new_object(); | |
1135 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
1136 | |
1137 | if (!json) { | |
4cce389e | 1138 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 1139 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 1140 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 1141 | } else { |
996c9314 LB |
1142 | json_object_string_add( |
1143 | json_rmac, "routerMac", | |
1144 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 1145 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 1146 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
1147 | json_object_object_add( |
1148 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
1149 | json_rmac); | |
b7cfce93 MK |
1150 | } |
1151 | } | |
1152 | ||
1153 | /* print a specific L3 VNI entry */ | |
1154 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
1155 | { | |
1156 | char buf[ETHER_ADDR_STRLEN]; | |
1157 | struct vty *vty = NULL; | |
1158 | json_object *json = NULL; | |
1159 | zebra_vni_t *zvni = NULL; | |
1160 | json_object *json_vni_list = NULL; | |
1161 | struct listnode *node = NULL, *nnode = NULL; | |
1162 | ||
1163 | vty = ctx[0]; | |
1164 | json = ctx[1]; | |
1165 | ||
1166 | if (!json) { | |
1167 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 1168 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 1169 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 1170 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 1171 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
1172 | vty_out(vty, " Vxlan-Intf: %s\n", |
1173 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
1174 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
1175 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 1176 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
1177 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
1178 | ? "prefix-routes-only" | |
1179 | : "none"); | |
4cce389e | 1180 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 1181 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 1182 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
1183 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
1184 | vty_out(vty, "%u ", zvni->vni); | |
1185 | vty_out(vty, "\n"); | |
1186 | } else { | |
1187 | json_vni_list = json_object_new_array(); | |
1188 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
1189 | json_object_string_add(json, "type", "L3"); |
1190 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 1191 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 1192 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 1193 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 1194 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 1195 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
1196 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
1197 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
1198 | json_object_string_add( | |
1199 | json, "routerMac", | |
1200 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
1201 | json_object_string_add( | |
1202 | json, "vniFilter", | |
1203 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
1204 | ? "prefix-routes-only" | |
1205 | : "none"); | |
b7cfce93 MK |
1206 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
1207 | json_object_array_add(json_vni_list, | |
1208 | json_object_new_int(zvni->vni)); | |
1209 | } | |
4cce389e | 1210 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
1211 | } |
1212 | } | |
1213 | ||
cec2e17d | 1214 | /* |
1215 | * Print a specific VNI entry. | |
1216 | */ | |
cd233079 | 1217 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 1218 | { |
1219 | struct vty *vty; | |
1220 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1221 | uint32_t num_macs; |
1222 | uint32_t num_neigh; | |
cd233079 CS |
1223 | json_object *json = NULL; |
1224 | json_object *json_vtep_list = NULL; | |
1225 | json_object *json_ip_str = NULL; | |
d62a17ae | 1226 | |
cd233079 CS |
1227 | vty = ctxt[0]; |
1228 | json = ctxt[1]; | |
1229 | ||
b7cfce93 | 1230 | if (json == NULL) { |
cd233079 | 1231 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1232 | vty_out(vty, " Type: %s\n", "L2"); |
1233 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1234 | } else { |
cd233079 | 1235 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1236 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1237 | json_object_string_add(json, "vrf", |
1238 | vrf_id_to_name(zvni->vrf_id)); | |
1239 | } | |
d62a17ae | 1240 | |
d62a17ae | 1241 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1242 | if (json == NULL) |
1243 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1244 | return; |
1245 | } | |
790f8dc5 | 1246 | num_macs = num_valid_macs(zvni); |
cd233079 | 1247 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1248 | if (json == NULL) { |
996c9314 | 1249 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1250 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1251 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1252 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1253 | } else { |
cd233079 CS |
1254 | json_object_string_add(json, "vxlanInterface", |
1255 | zvni->vxlan_if->name); | |
1256 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1257 | json_object_string_add(json, "vtepIp", | |
1258 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1259 | json_object_string_add(json, "advertiseGatewayMacip", |
1260 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1261 | json_object_int_add(json, "numMacs", num_macs); |
1262 | json_object_int_add(json, "numArpNd", num_neigh); | |
1263 | } | |
d62a17ae | 1264 | if (!zvni->vteps) { |
cd233079 CS |
1265 | if (json == NULL) |
1266 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1267 | } else { |
cd233079 CS |
1268 | if (json == NULL) |
1269 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1270 | else | |
1271 | json_vtep_list = json_object_new_array(); | |
1272 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1273 | if (json == NULL) | |
1274 | vty_out(vty, " %s\n", | |
1275 | inet_ntoa(zvtep->vtep_ip)); | |
1276 | else { | |
1277 | json_ip_str = json_object_new_string( | |
1278 | inet_ntoa(zvtep->vtep_ip)); | |
1279 | json_object_array_add(json_vtep_list, | |
1280 | json_ip_str); | |
1281 | } | |
1282 | } | |
1283 | if (json) | |
1284 | json_object_object_add(json, "numRemoteVteps", | |
1285 | json_vtep_list); | |
1286 | } | |
1287 | if (json == NULL) { | |
1288 | vty_out(vty, | |
1289 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1290 | num_macs); | |
1291 | vty_out(vty, | |
1292 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1293 | "known for this VNI: %u\n", | |
1294 | num_neigh); | |
ddd16ed5 MK |
1295 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1296 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1297 | } |
cec2e17d | 1298 | } |
1299 | ||
b7cfce93 | 1300 | /* print a L3 VNI hash entry */ |
996c9314 | 1301 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1302 | { |
b7cfce93 MK |
1303 | struct vty *vty = NULL; |
1304 | json_object *json = NULL; | |
51d8de8f | 1305 | json_object *json_vni = NULL; |
b7cfce93 MK |
1306 | zebra_l3vni_t *zl3vni = NULL; |
1307 | ||
51d8de8f MK |
1308 | vty = (struct vty *)ctx[0]; |
1309 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1310 | |
1311 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1312 | |
1313 | if (!json) { | |
996c9314 LB |
1314 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1315 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1316 | hashcount(zl3vni->rmac_table), |
996c9314 | 1317 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1318 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1319 | } else { |
51d8de8f MK |
1320 | char vni_str[VNI_STR_LEN]; |
1321 | ||
1322 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1323 | json_vni = json_object_new_object(); | |
1324 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1325 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1326 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1327 | json_object_int_add(json_vni, "numMacs", |
1328 | hashcount(zl3vni->rmac_table)); | |
1329 | json_object_int_add(json_vni, "numArpNd", | |
1330 | hashcount(zl3vni->nh_table)); | |
1331 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1332 | json_object_string_add(json_vni, "type", "L3"); | |
1333 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1334 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1335 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1336 | } |
b7cfce93 MK |
1337 | } |
1338 | ||
cec2e17d | 1339 | /* |
1340 | * Print a VNI hash entry - called for display of all VNIs. | |
1341 | */ | |
cd233079 | 1342 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1343 | { |
d62a17ae | 1344 | struct vty *vty; |
1345 | zebra_vni_t *zvni; | |
1346 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1347 | uint32_t num_vteps = 0; |
1348 | uint32_t num_macs = 0; | |
1349 | uint32_t num_neigh = 0; | |
cd233079 CS |
1350 | json_object *json = NULL; |
1351 | json_object *json_vni = NULL; | |
1352 | json_object *json_ip_str = NULL; | |
1353 | json_object *json_vtep_list = NULL; | |
1354 | ||
1355 | vty = ctxt[0]; | |
1356 | json = ctxt[1]; | |
cec2e17d | 1357 | |
d62a17ae | 1358 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1359 | |
d62a17ae | 1360 | zvtep = zvni->vteps; |
1361 | while (zvtep) { | |
1362 | num_vteps++; | |
1363 | zvtep = zvtep->next; | |
1364 | } | |
cec2e17d | 1365 | |
790f8dc5 | 1366 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1367 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1368 | if (json == NULL) |
996c9314 | 1369 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1370 | zvni->vni, "L2", |
cd233079 | 1371 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1372 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1373 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1374 | else { |
1375 | char vni_str[VNI_STR_LEN]; | |
1376 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1377 | json_vni = json_object_new_object(); | |
4cce389e MK |
1378 | json_object_int_add(json_vni, "vni", zvni->vni); |
1379 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1380 | json_object_string_add(json_vni, "vxlanIf", |
1381 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1382 | : "unknown"); | |
cd233079 CS |
1383 | json_object_int_add(json_vni, "numMacs", num_macs); |
1384 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1385 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1386 | json_object_string_add(json_vni, "tenantVrf", |
1387 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1388 | if (num_vteps) { |
1389 | json_vtep_list = json_object_new_array(); | |
1390 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1391 | json_ip_str = json_object_new_string( | |
1392 | inet_ntoa(zvtep->vtep_ip)); | |
1393 | json_object_array_add(json_vtep_list, | |
1394 | json_ip_str); | |
1395 | } | |
1396 | json_object_object_add(json_vni, "remoteVteps", | |
1397 | json_vtep_list); | |
1398 | } | |
1399 | json_object_object_add(json, vni_str, json_vni); | |
1400 | } | |
cec2e17d | 1401 | } |
1402 | ||
13d60d35 | 1403 | /* |
2232a77c | 1404 | * Inform BGP about local MACIP. |
1405 | */ | |
996c9314 | 1406 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1407 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1408 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1409 | { |
d62a17ae | 1410 | char buf[ETHER_ADDR_STRLEN]; |
1411 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1412 | int ipa_len; |
1413 | struct zserv *client = NULL; | |
1414 | struct stream *s = NULL; | |
d62a17ae | 1415 | |
21ccc0cf | 1416 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1417 | /* BGP may not be running. */ |
1418 | if (!client) | |
1419 | return 0; | |
1420 | ||
1002497a | 1421 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1422 | |
7cf15b25 | 1423 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1424 | stream_putl(s, vni); |
ff8b7eb8 | 1425 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1426 | if (ip) { |
1427 | ipa_len = 0; | |
1428 | if (IS_IPADDR_V4(ip)) | |
1429 | ipa_len = IPV4_MAX_BYTELEN; | |
1430 | else if (IS_IPADDR_V6(ip)) | |
1431 | ipa_len = IPV6_MAX_BYTELEN; | |
1432 | ||
1433 | stream_putl(s, ipa_len); /* IP address length */ | |
1434 | if (ipa_len) | |
1435 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1436 | } else | |
1437 | stream_putl(s, 0); /* Just MAC. */ | |
1438 | ||
f07e1c99 | 1439 | if (cmd == ZEBRA_MACIP_ADD) { |
1440 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1441 | stream_putl(s, seq); /* sequence number */ | |
1442 | } | |
d62a17ae | 1443 | |
b7cfce93 | 1444 | |
d62a17ae | 1445 | /* Write packet size. */ |
1446 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1447 | ||
1448 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1449 | zlog_debug( |
f07e1c99 | 1450 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1451 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1452 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1453 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1454 | zebra_route_string(client->proto)); |
d62a17ae | 1455 | |
1456 | if (cmd == ZEBRA_MACIP_ADD) | |
1457 | client->macipadd_cnt++; | |
1458 | else | |
1459 | client->macipdel_cnt++; | |
1460 | ||
21ccc0cf | 1461 | return zserv_send_message(client, s); |
2232a77c | 1462 | } |
1463 | ||
1464 | /* | |
1465 | * Make hash key for neighbors. | |
13d60d35 | 1466 | */ |
d62a17ae | 1467 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1468 | { |
d62a17ae | 1469 | zebra_neigh_t *n = p; |
1470 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1471 | |
d62a17ae | 1472 | if (IS_IPADDR_V4(ip)) |
1473 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1474 | |
d62a17ae | 1475 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1476 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1477 | } |
1478 | ||
1479 | /* | |
2232a77c | 1480 | * Compare two neighbor hash structures. |
13d60d35 | 1481 | */ |
74df8d6d | 1482 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1483 | { |
d62a17ae | 1484 | const zebra_neigh_t *n1 = p1; |
1485 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1486 | |
d62a17ae | 1487 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 1488 | return true; |
2232a77c | 1489 | |
d62a17ae | 1490 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 1491 | return false; |
2232a77c | 1492 | |
d62a17ae | 1493 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1494 | } |
1495 | ||
27fa3398 DS |
1496 | static int neigh_list_cmp(void *p1, void *p2) |
1497 | { | |
1498 | const zebra_neigh_t *n1 = p1; | |
1499 | const zebra_neigh_t *n2 = p2; | |
1500 | ||
1501 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
1502 | } | |
1503 | ||
13d60d35 | 1504 | /* |
2232a77c | 1505 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1506 | */ |
d62a17ae | 1507 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1508 | { |
d62a17ae | 1509 | const zebra_neigh_t *tmp_n = p; |
1510 | zebra_neigh_t *n; | |
13d60d35 | 1511 | |
d62a17ae | 1512 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1513 | *n = *tmp_n; | |
2232a77c | 1514 | |
d62a17ae | 1515 | return ((void *)n); |
13d60d35 | 1516 | } |
1517 | ||
1518 | /* | |
2232a77c | 1519 | * Add neighbor entry. |
13d60d35 | 1520 | */ |
b6938a74 MK |
1521 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1522 | struct ethaddr *mac) | |
13d60d35 | 1523 | { |
d62a17ae | 1524 | zebra_neigh_t tmp_n; |
1525 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1526 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1527 | |
d62a17ae | 1528 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1529 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1530 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1531 | assert(n); | |
13d60d35 | 1532 | |
b6938a74 MK |
1533 | memcpy(&n->emac, mac, ETH_ALEN); |
1534 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1535 | ||
1536 | /* Associate the neigh to mac */ | |
1537 | zmac = zvni_mac_lookup(zvni, mac); | |
1538 | if (zmac) | |
1539 | listnode_add_sort(zmac->neigh_list, n); | |
1540 | ||
d62a17ae | 1541 | return n; |
13d60d35 | 1542 | } |
1543 | ||
1544 | /* | |
2232a77c | 1545 | * Delete neighbor entry. |
13d60d35 | 1546 | */ |
d62a17ae | 1547 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1548 | { |
d62a17ae | 1549 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1550 | zebra_mac_t *zmac = NULL; |
1551 | ||
1552 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1553 | if (zmac) | |
1554 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1555 | |
d62a17ae | 1556 | /* Free the VNI hash entry and allocated memory. */ |
1557 | tmp_n = hash_release(zvni->neigh_table, n); | |
1558 | if (tmp_n) | |
1559 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1560 | |
d62a17ae | 1561 | return 0; |
13d60d35 | 1562 | } |
1563 | ||
1564 | /* | |
2232a77c | 1565 | * Free neighbor hash entry (callback) |
13d60d35 | 1566 | */ |
b1599bb6 | 1567 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1568 | { |
d62a17ae | 1569 | struct neigh_walk_ctx *wctx = arg; |
1570 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1571 | |
d62a17ae | 1572 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1573 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1574 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1575 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1576 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1577 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1578 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1579 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1580 | &n->emac, 0); |
13d60d35 | 1581 | |
d62a17ae | 1582 | if (wctx->uninstall) |
1583 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1584 | |
b1599bb6 | 1585 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1586 | } |
13d60d35 | 1587 | |
b1599bb6 | 1588 | return; |
13d60d35 | 1589 | } |
1590 | ||
1591 | /* | |
2232a77c | 1592 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1593 | */ |
d62a17ae | 1594 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1595 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1596 | { |
d62a17ae | 1597 | struct neigh_walk_ctx wctx; |
13d60d35 | 1598 | |
d62a17ae | 1599 | if (!zvni->neigh_table) |
1600 | return; | |
13d60d35 | 1601 | |
d62a17ae | 1602 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1603 | wctx.zvni = zvni; | |
1604 | wctx.uninstall = uninstall; | |
1605 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1606 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1607 | |
b1599bb6 | 1608 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1609 | } |
13d60d35 | 1610 | |
2232a77c | 1611 | /* |
1612 | * Delete all neighbor entries for this VNI. | |
1613 | */ | |
996c9314 | 1614 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1615 | uint32_t flags) |
2232a77c | 1616 | { |
d62a17ae | 1617 | struct neigh_walk_ctx wctx; |
13d60d35 | 1618 | |
d62a17ae | 1619 | if (!zvni->neigh_table) |
1620 | return; | |
13d60d35 | 1621 | |
d62a17ae | 1622 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1623 | wctx.zvni = zvni; | |
d62a17ae | 1624 | wctx.uninstall = uninstall; |
1625 | wctx.upd_client = upd_client; | |
1626 | wctx.flags = flags; | |
2232a77c | 1627 | |
b1599bb6 | 1628 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1629 | } |
1630 | ||
1631 | /* | |
2232a77c | 1632 | * Look up neighbor hash entry. |
1633 | */ | |
d62a17ae | 1634 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1635 | { |
d62a17ae | 1636 | zebra_neigh_t tmp; |
1637 | zebra_neigh_t *n; | |
2232a77c | 1638 | |
d62a17ae | 1639 | memset(&tmp, 0, sizeof(tmp)); |
1640 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1641 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1642 | |
d62a17ae | 1643 | return n; |
2232a77c | 1644 | } |
1645 | ||
f07e1c99 | 1646 | /* |
1647 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1648 | * locally or undergoing any other change (such as sequence number). | |
1649 | */ | |
1650 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1651 | zebra_mac_t *zmac, | |
1652 | bool seq_change) | |
b6938a74 MK |
1653 | { |
1654 | zebra_neigh_t *n = NULL; | |
1655 | struct listnode *node = NULL; | |
c80a972c | 1656 | struct zebra_vrf *zvrf = NULL; |
b6938a74 | 1657 | char buf[ETHER_ADDR_STRLEN]; |
b6938a74 | 1658 | |
c80a972c CS |
1659 | zvrf = vrf_info_lookup(zvni->vrf_id); |
1660 | ||
f07e1c99 | 1661 | if (IS_ZEBRA_DEBUG_VXLAN) |
1662 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1663 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1664 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1665 | ||
1666 | /* Walk all neighbors and mark any inactive local neighbors as | |
1667 | * active and/or update sequence number upon a move, and inform BGP. | |
1668 | * The action for remote neighbors is TBD. | |
1669 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1670 | * accidentally end up deleting a just-learnt local neighbor. | |
1671 | */ | |
b6938a74 MK |
1672 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1673 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1674 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1675 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1676 | n->loc_seq = zmac->loc_seq; |
c80a972c CS |
1677 | if (!(zvrf->dup_addr_detect && |
1678 | zvrf->dad_freeze && !!CHECK_FLAG(n->flags, | |
1679 | ZEBRA_NEIGH_DUPLICATE))) | |
1680 | zvni_neigh_send_add_to_client( | |
1681 | zvni->vni, &n->ip, &n->emac, | |
1682 | n->flags, n->loc_seq); | |
b6938a74 | 1683 | } |
b6938a74 MK |
1684 | } |
1685 | } | |
1686 | } | |
1687 | ||
f07e1c99 | 1688 | /* |
1689 | * Process all neighbors associated with a local MAC upon the MAC being | |
1690 | * deleted. | |
1691 | */ | |
2853fed6 | 1692 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1693 | zebra_mac_t *zmac) |
1694 | { | |
1695 | zebra_neigh_t *n = NULL; | |
1696 | struct listnode *node = NULL; | |
1697 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1698 | |
f07e1c99 | 1699 | if (IS_ZEBRA_DEBUG_VXLAN) |
1700 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1701 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1702 | zvni->vni); | |
1703 | ||
1704 | /* Walk all local neighbors and mark as inactive and inform | |
1705 | * BGP, if needed. | |
1706 | * TBD: There is currently no handling for remote neighbors. We | |
1707 | * don't expect them to exist, if they do, do we install the MAC | |
1708 | * as a remote MAC and the neighbor as remote? | |
1709 | */ | |
b6938a74 MK |
1710 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1711 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1712 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1713 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1714 | n->loc_seq = 0; |
996c9314 LB |
1715 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1716 | &n->emac, 0); | |
b6938a74 | 1717 | } |
b6938a74 MK |
1718 | } |
1719 | } | |
1720 | } | |
1721 | ||
f07e1c99 | 1722 | /* |
1723 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1724 | * learnt. | |
1725 | */ | |
2853fed6 | 1726 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1727 | zebra_mac_t *zmac) |
1728 | { | |
1729 | zebra_neigh_t *n = NULL; | |
1730 | struct listnode *node = NULL; | |
1731 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1732 | |
f07e1c99 | 1733 | if (IS_ZEBRA_DEBUG_VXLAN) |
1734 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1735 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1736 | zvni->vni); | |
1737 | ||
1738 | /* Walk all local neighbors and mark as inactive and inform | |
1739 | * BGP, if needed. | |
1740 | */ | |
b6938a74 MK |
1741 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1742 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1743 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1744 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1745 | n->loc_seq = 0; |
996c9314 LB |
1746 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1747 | &n->emac, 0); | |
b6938a74 MK |
1748 | } |
1749 | } | |
1750 | } | |
1751 | } | |
1752 | ||
f07e1c99 | 1753 | /* |
1754 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1755 | * deleted. | |
1756 | */ | |
2853fed6 | 1757 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1758 | zebra_mac_t *zmac) |
1759 | { | |
f07e1c99 | 1760 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1761 | } |
1762 | ||
2232a77c | 1763 | /* |
1764 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1765 | */ |
996c9314 | 1766 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1767 | struct ethaddr *macaddr, |
f07e1c99 | 1768 | uint8_t neigh_flags, |
1769 | uint32_t seq) | |
13d60d35 | 1770 | { |
d7c0a89a | 1771 | uint8_t flags = 0; |
ead40654 MK |
1772 | |
1773 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1774 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1775 | /* Set router flag (R-bit) based on local neigh entry add */ |
1776 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1777 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1778 | |
2853fed6 | 1779 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1780 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1781 | } |
13d60d35 | 1782 | |
2232a77c | 1783 | /* |
1784 | * Inform BGP about local neighbor deletion. | |
1785 | */ | |
996c9314 | 1786 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1787 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1788 | { |
2853fed6 | 1789 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1790 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1791 | } |
1792 | ||
1793 | /* | |
1794 | * Install remote neighbor into the kernel. | |
1795 | */ | |
d62a17ae | 1796 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1797 | { |
d62a17ae | 1798 | struct zebra_if *zif; |
1799 | struct zebra_l2info_vxlan *vxl; | |
1800 | struct interface *vlan_if; | |
f7dae312 | 1801 | #ifdef GNU_LINUX |
68e33151 | 1802 | uint8_t flags; |
f7dae312 | 1803 | #endif |
68e33151 | 1804 | int ret = 0; |
2232a77c | 1805 | |
d62a17ae | 1806 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1807 | return 0; | |
13d60d35 | 1808 | |
d62a17ae | 1809 | zif = zvni->vxlan_if->info; |
1810 | if (!zif) | |
1811 | return -1; | |
1812 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1813 | |
2853fed6 | 1814 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1815 | if (!vlan_if) |
1816 | return -1; | |
68e33151 CS |
1817 | #ifdef GNU_LINUX |
1818 | flags = NTF_EXT_LEARNED; | |
1819 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1820 | flags |= NTF_ROUTER; | |
f07e1c99 | 1821 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1822 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1823 | #endif | |
1824 | return ret; | |
2232a77c | 1825 | } |
13d60d35 | 1826 | |
2232a77c | 1827 | /* |
1828 | * Uninstall remote neighbor from the kernel. | |
1829 | */ | |
d62a17ae | 1830 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1831 | { |
d62a17ae | 1832 | struct zebra_if *zif; |
1833 | struct zebra_l2info_vxlan *vxl; | |
1834 | struct interface *vlan_if; | |
13d60d35 | 1835 | |
d62a17ae | 1836 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1837 | return 0; | |
2232a77c | 1838 | |
d62a17ae | 1839 | if (!zvni->vxlan_if) { |
9df414fe QY |
1840 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
1841 | zvni->vni, zvni); | |
d62a17ae | 1842 | return -1; |
1843 | } | |
2232a77c | 1844 | |
d62a17ae | 1845 | zif = zvni->vxlan_if->info; |
1846 | if (!zif) | |
1847 | return -1; | |
1848 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1849 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1850 | if (!vlan_if) |
1851 | return -1; | |
2232a77c | 1852 | |
f07e1c99 | 1853 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1854 | n->loc_seq = 0; | |
d62a17ae | 1855 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1856 | } |
1857 | ||
1858 | /* | |
2232a77c | 1859 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1860 | */ |
d62a17ae | 1861 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1862 | { |
d62a17ae | 1863 | zebra_neigh_t *n; |
1864 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1865 | |
d62a17ae | 1866 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1867 | |
d62a17ae | 1868 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1869 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1870 | } |
13d60d35 | 1871 | |
1a98c087 MK |
1872 | /* Get the VRR interface for SVI if any */ |
1873 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1874 | { | |
1875 | struct zebra_vrf *zvrf = NULL; | |
1876 | struct interface *tmp_if = NULL; | |
1877 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1878 | |
1879 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1880 | assert(zvrf); | |
1881 | ||
451fda4f | 1882 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1883 | zif = tmp_if->info; |
1884 | if (!zif) | |
1885 | continue; | |
1886 | ||
1887 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1888 | continue; | |
1889 | ||
1890 | if (zif->link == ifp) | |
1891 | return tmp_if; | |
1892 | } | |
1893 | ||
1894 | return NULL; | |
1895 | } | |
1896 | ||
1897 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1898 | { | |
1a98c087 MK |
1899 | struct listnode *cnode = NULL, *cnnode = NULL; |
1900 | struct connected *c = NULL; | |
1901 | struct ethaddr macaddr; | |
1902 | ||
1a98c087 MK |
1903 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1904 | ||
1905 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1906 | struct ipaddr ip; | |
1907 | ||
1908 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1909 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1910 | continue; | |
1911 | ||
1912 | if (c->address->family == AF_INET) { | |
1913 | ip.ipa_type = IPADDR_V4; | |
1914 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1915 | sizeof(struct in_addr)); | |
1916 | } else if (c->address->family == AF_INET6) { | |
1917 | ip.ipa_type = IPADDR_V6; | |
1918 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1919 | sizeof(struct in6_addr)); | |
1920 | } else { | |
1921 | continue; | |
1922 | } | |
1923 | ||
1924 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1925 | } | |
1926 | ||
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1931 | { | |
1a98c087 MK |
1932 | struct listnode *cnode = NULL, *cnnode = NULL; |
1933 | struct connected *c = NULL; | |
1934 | struct ethaddr macaddr; | |
1935 | ||
1a98c087 MK |
1936 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1937 | ||
1938 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1939 | struct ipaddr ip; | |
1940 | ||
1941 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1942 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1943 | continue; | |
1944 | ||
1945 | if (c->address->family == AF_INET) { | |
1946 | ip.ipa_type = IPADDR_V4; | |
1947 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1948 | sizeof(struct in_addr)); | |
1949 | } else if (c->address->family == AF_INET6) { | |
1950 | ip.ipa_type = IPADDR_V6; | |
1951 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1952 | sizeof(struct in6_addr)); | |
1953 | } else { | |
1954 | continue; | |
1955 | } | |
1956 | ||
1957 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1958 | } | |
31310b25 MK |
1959 | return 0; |
1960 | } | |
1961 | ||
1962 | ||
996c9314 | 1963 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1964 | int advertise) |
1965 | { | |
1966 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1967 | struct connected *c = NULL; | |
1968 | struct ethaddr macaddr; | |
1969 | ||
1970 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1971 | ||
1972 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1973 | struct prefix p; | |
1a98c087 | 1974 | |
31310b25 MK |
1975 | memcpy(&p, c->address, sizeof(struct prefix)); |
1976 | ||
1977 | /* skip link local address */ | |
1978 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1979 | continue; | |
1980 | ||
1981 | apply_mask(&p); | |
1982 | if (advertise) | |
1983 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1984 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1985 | else |
1986 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1987 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1988 | } | |
1a98c087 MK |
1989 | return 0; |
1990 | } | |
1991 | ||
1992 | /* | |
1993 | * zvni_gw_macip_add_to_client | |
1994 | */ | |
1995 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1996 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1997 | { | |
1a98c087 MK |
1998 | char buf[ETHER_ADDR_STRLEN]; |
1999 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
2000 | zebra_neigh_t *n = NULL; |
2001 | zebra_mac_t *mac = NULL; | |
2002 | struct zebra_if *zif = NULL; | |
2003 | struct zebra_l2info_vxlan *vxl = NULL; | |
2004 | ||
1a98c087 MK |
2005 | zif = zvni->vxlan_if->info; |
2006 | if (!zif) | |
2007 | return -1; | |
2008 | ||
2009 | vxl = &zif->l2info.vxl; | |
2010 | ||
2011 | mac = zvni_mac_lookup(zvni, macaddr); | |
2012 | if (!mac) { | |
2013 | mac = zvni_mac_add(zvni, macaddr); | |
2014 | if (!mac) { | |
e914ccbe | 2015 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
2016 | "Failed to add MAC %s intf %s(%u) VID %u", |
2017 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2018 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
2019 | return -1; |
2020 | } | |
2021 | } | |
2022 | ||
2023 | /* Set "local" forwarding info. */ | |
2024 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
2025 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 2026 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
2027 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
2028 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
2029 | mac->fwd_info.local.vid = vxl->access_vlan; | |
2030 | ||
2031 | n = zvni_neigh_lookup(zvni, ip); | |
2032 | if (!n) { | |
b6938a74 | 2033 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 2034 | if (!n) { |
af4c2728 | 2035 | flog_err( |
e914ccbe | 2036 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 2037 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2038 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 2039 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
2040 | ifp->name, ifp->ifindex, zvni->vni); |
2041 | return -1; | |
2042 | } | |
2043 | } | |
2044 | ||
2045 | /* Set "local" forwarding info. */ | |
2046 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 2047 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 2048 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
2049 | /* Set Router flag (R-bit) */ |
2050 | if (ip->ipa_type == IPADDR_V6) | |
2051 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
2052 | memcpy(&n->emac, macaddr, ETH_ALEN); |
2053 | n->ifindex = ifp->ifindex; | |
2054 | ||
ead40654 MK |
2055 | /* Only advertise in BGP if the knob is enabled */ |
2056 | if (!advertise_gw_macip_enabled(zvni)) | |
2057 | return 0; | |
2058 | ||
1a98c087 MK |
2059 | if (IS_ZEBRA_DEBUG_VXLAN) |
2060 | zlog_debug( | |
68e33151 | 2061 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 2062 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 2063 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 2064 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 2065 | |
f07e1c99 | 2066 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2067 | n->flags, n->loc_seq); | |
1a98c087 MK |
2068 | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | /* | |
2073 | * zvni_gw_macip_del_from_client | |
2074 | */ | |
2075 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
2076 | struct ipaddr *ip) | |
2077 | { | |
0af35d90 | 2078 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 2079 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
2080 | zebra_neigh_t *n = NULL; |
2081 | zebra_mac_t *mac = NULL; | |
2082 | ||
1a98c087 MK |
2083 | /* If the neigh entry is not present nothing to do*/ |
2084 | n = zvni_neigh_lookup(zvni, ip); | |
2085 | if (!n) | |
2086 | return 0; | |
2087 | ||
2088 | /* mac entry should be present */ | |
2089 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 2090 | if (!mac) { |
0437e105 | 2091 | zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u", |
9df414fe QY |
2092 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), |
2093 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
2094 | return -1; |
2095 | } | |
1a98c087 MK |
2096 | |
2097 | /* If the entry is not local nothing to do*/ | |
2098 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
2099 | return -1; | |
2100 | ||
ead40654 | 2101 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 2102 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2103 | zlog_debug( |
2104 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
2105 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 2106 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 2107 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
2108 | |
2109 | /* Remove neighbor from BGP. */ | |
2110 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
2111 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
2112 | |
2113 | /* Delete this neighbor entry. */ | |
2114 | zvni_neigh_del(zvni, n); | |
2115 | ||
2116 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 2117 | if (mac) |
fe697c6b | 2118 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
2119 | |
2120 | return 0; | |
2121 | } | |
2122 | ||
2123 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 2124 | void *ctxt) |
1a98c087 MK |
2125 | { |
2126 | zebra_vni_t *zvni = NULL; | |
2127 | struct zebra_if *zif = NULL; | |
2128 | struct zebra_l2info_vxlan zl2_info; | |
2129 | struct interface *vlan_if = NULL; | |
2130 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2131 | struct interface *ifp; |
1a98c087 MK |
2132 | |
2133 | /* Add primary SVI MAC*/ | |
2134 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 2135 | |
b5ebdc9b | 2136 | ifp = zvni->vxlan_if; |
2137 | if (!ifp) | |
2138 | return; | |
2139 | zif = ifp->info; | |
2140 | ||
2141 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2142 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2143 | return; |
2144 | ||
1a98c087 MK |
2145 | zl2_info = zif->l2info.vxl; |
2146 | ||
996c9314 LB |
2147 | vlan_if = |
2148 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2149 | if (!vlan_if) |
2150 | return; | |
2151 | ||
2152 | /* Del primary MAC-IP */ | |
2153 | zvni_del_macip_for_intf(vlan_if, zvni); | |
2154 | ||
2155 | /* Del VRR MAC-IP - if any*/ | |
2156 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2157 | if (vrr_if) | |
2158 | zvni_del_macip_for_intf(vrr_if, zvni); | |
2159 | ||
2160 | return; | |
2161 | } | |
2162 | ||
2163 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 2164 | void *ctxt) |
1a98c087 MK |
2165 | { |
2166 | zebra_vni_t *zvni = NULL; | |
2167 | struct zebra_if *zif = NULL; | |
2168 | struct zebra_l2info_vxlan zl2_info; | |
2169 | struct interface *vlan_if = NULL; | |
2170 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 2171 | struct interface *ifp = NULL; |
1a98c087 MK |
2172 | |
2173 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 2174 | |
b5ebdc9b | 2175 | ifp = zvni->vxlan_if; |
2176 | if (!ifp) | |
2177 | return; | |
2178 | zif = ifp->info; | |
2179 | ||
2180 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 2181 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 2182 | return; |
1a98c087 MK |
2183 | zl2_info = zif->l2info.vxl; |
2184 | ||
996c9314 LB |
2185 | vlan_if = |
2186 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2187 | if (!vlan_if) |
2188 | return; | |
2189 | ||
1a98c087 MK |
2190 | /* Add primary SVI MAC-IP */ |
2191 | zvni_add_macip_for_intf(vlan_if, zvni); | |
2192 | ||
2193 | /* Add VRR MAC-IP - if any*/ | |
2194 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2195 | if (vrr_if) | |
2196 | zvni_add_macip_for_intf(vrr_if, zvni); | |
2197 | ||
2198 | return; | |
2199 | } | |
2200 | ||
ee69da27 MK |
2201 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
2202 | struct interface *ifp, | |
2203 | struct ipaddr *ip, | |
68e33151 | 2204 | struct ethaddr *macaddr, |
a37f4598 | 2205 | bool is_router) |
ee69da27 MK |
2206 | { |
2207 | char buf[ETHER_ADDR_STRLEN]; | |
2208 | char buf2[INET6_ADDRSTRLEN]; | |
e22a946a | 2209 | struct zebra_vrf *zvrf; |
ee69da27 MK |
2210 | zebra_neigh_t *n = NULL; |
2211 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 2212 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
2213 | bool upd_mac_seq = false; | |
2214 | bool neigh_mac_change = false; | |
e22a946a CS |
2215 | bool neigh_on_hold = false; |
2216 | bool neigh_was_remote = false; | |
2217 | struct in_addr vtep_ip = {.s_addr = 0}; | |
2218 | struct timeval elapsed = {0, 0}; | |
ee69da27 | 2219 | |
f07e1c99 | 2220 | /* Check if the MAC exists. */ |
ee69da27 MK |
2221 | zmac = zvni_mac_lookup(zvni, macaddr); |
2222 | if (!zmac) { | |
f07e1c99 | 2223 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
2224 | if (IS_ZEBRA_DEBUG_VXLAN) |
2225 | zlog_debug( | |
2226 | "AUTO MAC %s created for neigh %s on VNI %u", | |
2227 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2228 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
2229 | ||
2230 | zmac = zvni_mac_add(zvni, macaddr); | |
2231 | if (!zmac) { | |
9df414fe QY |
2232 | zlog_debug("Failed to add MAC %s VNI %u", |
2233 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2234 | zvni->vni); | |
ee69da27 MK |
2235 | return -1; |
2236 | } | |
2237 | ||
2238 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2239 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
2240 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 2241 | } else { |
2242 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2243 | /* | |
2244 | * We don't change the MAC to local upon a neighbor | |
2245 | * learn event, we wait for the explicit local MAC | |
2246 | * learn. However, we have to compute its sequence | |
2247 | * number in preparation for when it actually turns | |
2248 | * local. | |
2249 | */ | |
2250 | upd_mac_seq = true; | |
2251 | } | |
ee69da27 MK |
2252 | } |
2253 | ||
e22a946a CS |
2254 | zvrf = vrf_info_lookup(zvni->vrf_id); |
2255 | if (!zvrf) | |
2256 | return -1; | |
2257 | ||
f07e1c99 | 2258 | /* Check if the neighbor exists. */ |
ee69da27 | 2259 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2260 | if (!n) { |
2261 | /* New neighbor - create */ | |
2262 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2263 | if (!n) { | |
2264 | flog_err( | |
e914ccbe | 2265 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 2266 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2267 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2268 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2269 | ifp->name, ifp->ifindex, zvni->vni); | |
2270 | return -1; | |
2271 | } | |
2272 | /* Set "local" forwarding info. */ | |
2273 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2274 | n->ifindex = ifp->ifindex; | |
2275 | } else { | |
ee69da27 | 2276 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 2277 | bool mac_different; |
2278 | bool cur_is_router; | |
2279 | ||
2280 | /* Note any changes and see if of interest to BGP. */ | |
2281 | mac_different = (memcmp(n->emac.octet, | |
2282 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
2283 | cur_is_router = !!CHECK_FLAG(n->flags, | |
2284 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2285 | if (!mac_different && is_router == cur_is_router) { | |
ee69da27 | 2286 | n->ifindex = ifp->ifindex; |
66e37987 | 2287 | return 0; |
2288 | } | |
ee69da27 | 2289 | |
66e37987 | 2290 | if (!mac_different) { |
e22a946a CS |
2291 | bool is_neigh_freezed = false; |
2292 | ||
66e37987 | 2293 | /* Only the router flag has changed. */ |
2294 | if (is_router) | |
2295 | SET_FLAG(n->flags, | |
2296 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2297 | else | |
2298 | UNSET_FLAG(n->flags, | |
2299 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 2300 | |
e22a946a CS |
2301 | /* Neigh is in freeze state and freeze action |
2302 | * is enabled, do not send update to client. | |
2303 | */ | |
2304 | is_neigh_freezed = (zvrf->dup_addr_detect && | |
2305 | zvrf->dad_freeze && | |
2306 | CHECK_FLAG(n->flags, | |
2307 | ZEBRA_NEIGH_DUPLICATE)); | |
2308 | ||
2309 | if (IS_ZEBRA_NEIGH_ACTIVE(n) && | |
2310 | !is_neigh_freezed) | |
66e37987 | 2311 | return zvni_neigh_send_add_to_client( |
2312 | zvni->vni, ip, macaddr, | |
2313 | n->flags, n->loc_seq); | |
2314 | return 0; | |
2315 | } | |
2316 | ||
2317 | /* The MAC has changed, need to issue a delete | |
2318 | * first as this means a different MACIP route. | |
2319 | * Also, need to do some unlinking/relinking. | |
2320 | * We also need to update the MAC's sequence number | |
2321 | * in different situations. | |
2322 | */ | |
2323 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
2324 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2325 | &n->emac, 0); | |
2326 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2327 | if (old_zmac) { | |
2328 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
2329 | ZEBRA_MAC_REMOTE) ? | |
2330 | old_zmac->rem_seq : old_zmac->loc_seq; | |
2331 | neigh_mac_change = upd_mac_seq = true; | |
2332 | listnode_delete(old_zmac->neigh_list, n); | |
2333 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 2334 | } |
ee69da27 | 2335 | |
66e37987 | 2336 | /* Update the forwarding info. */ |
2337 | n->ifindex = ifp->ifindex; | |
2338 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2339 | ||
2340 | /* Link to new MAC */ | |
2341 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 2342 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2343 | /* | |
2344 | * Neighbor has moved from remote to local. Its | |
2345 | * MAC could have also changed as part of the move. | |
2346 | */ | |
ee69da27 MK |
2347 | if (memcmp(n->emac.octet, macaddr->octet, |
2348 | ETH_ALEN) != 0) { | |
2349 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2350 | if (old_zmac) { | |
9df2b997 | 2351 | old_mac_seq = CHECK_FLAG( |
2352 | old_zmac->flags, | |
2353 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2354 | old_zmac->rem_seq : |
2355 | old_zmac->loc_seq; | |
2356 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2357 | listnode_delete(old_zmac->neigh_list, |
2358 | n); | |
fe697c6b | 2359 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
2360 | } |
2361 | ||
2362 | /* Link to new MAC */ | |
2363 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2364 | listnode_add_sort(zmac->neigh_list, n); | |
2365 | } | |
e22a946a CS |
2366 | /* Based on Mobility event Scenario-B from the |
2367 | * draft, neigh's previous state was remote treat this | |
2368 | * event for DAD. | |
2369 | */ | |
2370 | neigh_was_remote = true; | |
2371 | vtep_ip = n->r_vtep_ip; | |
ee69da27 MK |
2372 | /* Mark appropriately */ |
2373 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2374 | n->r_vtep_ip.s_addr = 0; | |
2375 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2376 | n->ifindex = ifp->ifindex; | |
2377 | } | |
f07e1c99 | 2378 | } |
2379 | ||
2380 | /* If MAC was previously remote, or the neighbor had a different | |
2381 | * MAC earlier, recompute the sequence number. | |
2382 | */ | |
2383 | if (upd_mac_seq) { | |
2384 | uint32_t seq1, seq2; | |
2385 | ||
2386 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2387 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2388 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2389 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2390 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2391 | } |
2392 | ||
e22a946a | 2393 | /* Mark Router flag (R-bit) */ |
a37f4598 | 2394 | if (is_router) |
54c17425 CS |
2395 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
2396 | else | |
2397 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2398 | ||
e22a946a CS |
2399 | /* Check old and/or new MAC detected as duplicate mark |
2400 | * the neigh as duplicate | |
2401 | */ | |
2402 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_zmac, zmac, n)) { | |
2403 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
2404 | "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC", | |
2405 | zvni->vni, | |
2406 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2407 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
2408 | } | |
2409 | ||
2410 | /* Duplicate Address Detection (DAD) is enabled. | |
2411 | * Based on Mobility event Scenario-B from the | |
2412 | * draft, IP/Neigh's MAC binding changed and | |
2413 | * neigh's previous state was remote, trigger DAD. | |
2414 | */ | |
2415 | if (zvrf->dup_addr_detect) { | |
2416 | /* Neigh could have inherit dup flag or IP DAD | |
2417 | * detected earlier | |
2418 | */ | |
2419 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
2420 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2421 | zlog_debug( | |
2422 | "%s: duplicate addr MAC %s IP %s skip update to client, learn count %u recover time %u", | |
2423 | __PRETTY_FUNCTION__, | |
2424 | prefix_mac2str(macaddr, | |
2425 | buf, sizeof(buf)), | |
2426 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2427 | n->dad_count, | |
2428 | zvrf->dad_freeze_time); | |
2429 | ||
2430 | /* In case of warn-only, inform client and update neigh | |
2431 | */ | |
2432 | if (zvrf->dad_freeze) | |
2433 | neigh_on_hold = true; | |
2434 | ||
2435 | goto send_notif; | |
2436 | } | |
c80a972c | 2437 | |
e22a946a CS |
2438 | /* MAC binding changed and previous state was remote */ |
2439 | if (!(neigh_mac_change && neigh_was_remote)) | |
2440 | goto send_notif; | |
2441 | ||
2442 | /* First check if neigh is already marked duplicate via | |
2443 | * MAC dup detection, before firing M Seconds | |
2444 | * duplicate detection. | |
2445 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
2446 | * event via local learning starts an M-second timer. | |
2447 | * | |
2448 | * Check if detection time (M-secs) expired. | |
2449 | * Reset learn count and detection start time. | |
2450 | */ | |
2451 | monotime_since(&n->detect_start_time, &elapsed); | |
2452 | if (n->dad_count == 0 || elapsed.tv_sec > zvrf->dad_time) { | |
2453 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2454 | zlog_debug("%s: duplicate addr MAC %s detection time passed, reset learn count %u", | |
2455 | __PRETTY_FUNCTION__, | |
2456 | prefix_mac2str(macaddr, buf, | |
2457 | sizeof(buf)), | |
2458 | n->dad_count); | |
2459 | n->dad_count = 0; | |
2460 | /* Start dup. detection time */ | |
2461 | monotime(&n->detect_start_time); | |
2462 | } | |
2463 | ||
2464 | n->dad_count++; | |
2465 | ||
2466 | if (n->dad_count >= zvrf->dad_max_moves) { | |
2467 | flog_warn(EC_ZEBRA_DUP_IP_DETECTED, | |
2468 | "VNI %u: MAC %s IP %s detected as duplicate during local update, last VTEP %s", | |
2469 | zvni->vni, | |
2470 | prefix_mac2str(&n->emac, buf, sizeof(buf)), | |
2471 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2472 | inet_ntoa(vtep_ip)); | |
2473 | ||
2474 | /* Mark Duplicate */ | |
2475 | SET_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE); | |
2476 | ||
2477 | /* Capture Duplicate detection time */ | |
2478 | n->dad_dup_detect_time = monotime(NULL); | |
2479 | ||
c80a972c CS |
2480 | /* Start auto recovery timer for this IP */ |
2481 | THREAD_OFF(n->dad_ip_auto_recovery_timer); | |
2482 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
2483 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2484 | zlog_debug( | |
2485 | "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start", | |
2486 | __PRETTY_FUNCTION__, | |
2487 | prefix_mac2str(macaddr, buf, | |
2488 | sizeof(buf)), | |
2489 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2490 | n->flags, | |
2491 | zvrf->dad_freeze_time); | |
2492 | ||
2493 | thread_add_timer(zebrad.master, | |
2494 | zebra_vxlan_dad_ip_auto_recovery_exp, | |
2495 | n, | |
2496 | zvrf->dad_freeze_time, | |
2497 | &n->dad_ip_auto_recovery_timer); | |
2498 | } | |
2499 | ||
e22a946a CS |
2500 | if (zvrf->dad_freeze) |
2501 | neigh_on_hold = true; | |
2502 | } | |
2503 | } | |
2504 | ||
2505 | send_notif: | |
c80a972c | 2506 | |
ee69da27 | 2507 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2508 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2509 | */ |
2510 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2511 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2512 | n->loc_seq = 0; |
2513 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2514 | return 0; |
2515 | } | |
2516 | ||
f07e1c99 | 2517 | /* If the MAC's sequence number has changed, inform the MAC and all |
2518 | * neighbors associated with the MAC to BGP, else just inform this | |
2519 | * neighbor. | |
2520 | */ | |
2521 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2522 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2523 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2524 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2525 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2526 | zmac->loc_seq = mac_new_seq; | |
2527 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2528 | zmac->flags, zmac->loc_seq)) | |
2529 | return -1; | |
2530 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2531 | return 0; |
2532 | } | |
2533 | ||
ee69da27 | 2534 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2535 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2536 | |
e22a946a CS |
2537 | if (!neigh_on_hold) |
2538 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, | |
f07e1c99 | 2539 | n->flags, n->loc_seq); |
e22a946a | 2540 | return 0; |
ee69da27 MK |
2541 | } |
2542 | ||
2543 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2544 | struct interface *ifp, | |
2545 | struct ipaddr *ip, | |
2546 | struct ethaddr *macaddr, | |
2547 | uint16_t state) | |
2548 | { | |
2549 | char buf[ETHER_ADDR_STRLEN]; | |
2550 | char buf2[INET6_ADDRSTRLEN]; | |
2551 | zebra_neigh_t *n = NULL; | |
2552 | zebra_mac_t *zmac = NULL; | |
2553 | ||
2554 | /* If the neighbor is unknown, there is no further action. */ | |
2555 | n = zvni_neigh_lookup(zvni, ip); | |
2556 | if (!n) | |
2557 | return 0; | |
2558 | ||
2559 | /* If a remote entry, see if it needs to be refreshed */ | |
2560 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2561 | #ifdef GNU_LINUX |
ee69da27 MK |
2562 | if (state & NUD_STALE) |
2563 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2564 | #endif |
ee69da27 MK |
2565 | } else { |
2566 | /* We got a "remote" neighbor notification for an entry | |
2567 | * we think is local. This can happen in a multihoming | |
2568 | * scenario - but only if the MAC is already "remote". | |
2569 | * Just mark our entry as "remote". | |
2570 | */ | |
2571 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2572 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 2573 | zlog_debug( |
43e52561 QY |
2574 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2575 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2576 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2577 | zvni->vni); | |
ee69da27 MK |
2578 | return -1; |
2579 | } | |
2580 | ||
2581 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2582 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4fd5ea4b | 2583 | ZEBRA_NEIGH_SET_ACTIVE(n); |
ee69da27 MK |
2584 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; |
2585 | } | |
2586 | ||
2587 | return 0; | |
2588 | } | |
2589 | ||
2232a77c | 2590 | /* |
2591 | * Make hash key for MAC. | |
2592 | */ | |
d62a17ae | 2593 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2594 | { |
d62a17ae | 2595 | zebra_mac_t *pmac = p; |
25331def DS |
2596 | const void *pnt = (void *)pmac->macaddr.octet; |
2597 | ||
ff8b7eb8 | 2598 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2599 | } |
13d60d35 | 2600 | |
2232a77c | 2601 | /* |
2602 | * Compare two MAC addresses. | |
2603 | */ | |
74df8d6d | 2604 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 2605 | { |
d62a17ae | 2606 | const zebra_mac_t *pmac1 = p1; |
2607 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2608 | |
d62a17ae | 2609 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 2610 | return true; |
2232a77c | 2611 | |
d62a17ae | 2612 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 2613 | return false; |
2232a77c | 2614 | |
996c9314 | 2615 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2616 | == 0); |
2232a77c | 2617 | } |
2618 | ||
2619 | /* | |
2620 | * Callback to allocate MAC hash entry. | |
2621 | */ | |
d62a17ae | 2622 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2623 | { |
d62a17ae | 2624 | const zebra_mac_t *tmp_mac = p; |
2625 | zebra_mac_t *mac; | |
2232a77c | 2626 | |
d62a17ae | 2627 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2628 | *mac = *tmp_mac; | |
2232a77c | 2629 | |
d62a17ae | 2630 | return ((void *)mac); |
2232a77c | 2631 | } |
2632 | ||
2633 | /* | |
2634 | * Add MAC entry. | |
2635 | */ | |
d62a17ae | 2636 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2637 | { |
d62a17ae | 2638 | zebra_mac_t tmp_mac; |
2639 | zebra_mac_t *mac = NULL; | |
2232a77c | 2640 | |
d62a17ae | 2641 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2642 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2643 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2644 | assert(mac); | |
2232a77c | 2645 | |
b6938a74 | 2646 | mac->neigh_list = list_new(); |
27fa3398 | 2647 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 2648 | |
d62a17ae | 2649 | return mac; |
2232a77c | 2650 | } |
2651 | ||
2652 | /* | |
2653 | * Delete MAC entry. | |
2654 | */ | |
d62a17ae | 2655 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2656 | { |
d62a17ae | 2657 | zebra_mac_t *tmp_mac; |
2232a77c | 2658 | |
6a154c88 | 2659 | list_delete(&mac->neigh_list); |
b6938a74 | 2660 | |
d62a17ae | 2661 | /* Free the VNI hash entry and allocated memory. */ |
2662 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2663 | if (tmp_mac) | |
2664 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2665 | |
d62a17ae | 2666 | return 0; |
2232a77c | 2667 | } |
2668 | ||
2669 | /* | |
2670 | * Free MAC hash entry (callback) | |
2671 | */ | |
b1599bb6 | 2672 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2673 | { |
d62a17ae | 2674 | struct mac_walk_ctx *wctx = arg; |
2675 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2676 | |
d62a17ae | 2677 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2678 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2679 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2680 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2681 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2682 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2683 | &wctx->r_vtep_ip))) { | |
2684 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 | 2685 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
e98e4b88 | 2686 | &mac->macaddr); |
d62a17ae | 2687 | } |
2232a77c | 2688 | |
d62a17ae | 2689 | if (wctx->uninstall) |
d63c1b18 | 2690 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 2691 | |
b1599bb6 | 2692 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2693 | } |
2232a77c | 2694 | |
b1599bb6 | 2695 | return; |
2232a77c | 2696 | } |
2697 | ||
2698 | /* | |
2699 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2700 | */ | |
d62a17ae | 2701 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2702 | struct in_addr *r_vtep_ip) | |
2232a77c | 2703 | { |
d62a17ae | 2704 | struct mac_walk_ctx wctx; |
2232a77c | 2705 | |
d62a17ae | 2706 | if (!zvni->mac_table) |
2707 | return; | |
2232a77c | 2708 | |
d62a17ae | 2709 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2710 | wctx.zvni = zvni; | |
2711 | wctx.uninstall = uninstall; | |
2712 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2713 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2714 | |
b1599bb6 | 2715 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2716 | } |
2717 | ||
2718 | /* | |
2719 | * Delete all MAC entries for this VNI. | |
2720 | */ | |
996c9314 | 2721 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2722 | uint32_t flags) |
2232a77c | 2723 | { |
d62a17ae | 2724 | struct mac_walk_ctx wctx; |
2232a77c | 2725 | |
d62a17ae | 2726 | if (!zvni->mac_table) |
2727 | return; | |
2232a77c | 2728 | |
d62a17ae | 2729 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2730 | wctx.zvni = zvni; | |
d62a17ae | 2731 | wctx.uninstall = uninstall; |
2732 | wctx.upd_client = upd_client; | |
2733 | wctx.flags = flags; | |
2232a77c | 2734 | |
b1599bb6 | 2735 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2736 | } |
2737 | ||
2738 | /* | |
2739 | * Look up MAC hash entry. | |
2740 | */ | |
d62a17ae | 2741 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2742 | { |
d62a17ae | 2743 | zebra_mac_t tmp; |
2744 | zebra_mac_t *pmac; | |
2232a77c | 2745 | |
d62a17ae | 2746 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2747 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2748 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2749 | |
d62a17ae | 2750 | return pmac; |
2232a77c | 2751 | } |
2752 | ||
2753 | /* | |
2754 | * Inform BGP about local MAC addition. | |
2755 | */ | |
996c9314 | 2756 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2757 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2758 | { |
d7c0a89a | 2759 | uint8_t flags = 0; |
ead40654 MK |
2760 | |
2761 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2762 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2763 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2764 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2765 | ||
2853fed6 | 2766 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2767 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2768 | } |
2769 | ||
2770 | /* | |
2771 | * Inform BGP about local MAC deletion. | |
2772 | */ | |
e98e4b88 | 2773 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr) |
2232a77c | 2774 | { |
e98e4b88 AK |
2775 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, 0 /* flags */, |
2776 | 0 /* seq */, ZEBRA_MACIP_DEL); | |
2232a77c | 2777 | } |
2778 | ||
2779 | /* | |
2780 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2781 | * notifications, to see if they are of interest. |
2232a77c | 2782 | */ |
d62a17ae | 2783 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2784 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2785 | { |
2853fed6 | 2786 | struct zebra_ns *zns; |
2787 | struct route_node *rn; | |
2788 | struct interface *tmp_if = NULL; | |
d62a17ae | 2789 | struct zebra_if *zif; |
2790 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2791 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2792 | uint8_t bridge_vlan_aware; |
d62a17ae | 2793 | zebra_vni_t *zvni; |
2853fed6 | 2794 | int found = 0; |
2232a77c | 2795 | |
d62a17ae | 2796 | /* Determine if bridge is VLAN-aware or not */ |
2797 | zif = br_if->info; | |
2798 | assert(zif); | |
2799 | br = &zif->l2info.br; | |
2800 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2801 | |
d62a17ae | 2802 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2803 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2804 | zns = zebra_ns_lookup(NS_DEFAULT); |
2805 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2806 | tmp_if = (struct interface *)rn->info; | |
2807 | if (!tmp_if) | |
2808 | continue; | |
d62a17ae | 2809 | zif = tmp_if->info; |
2810 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2811 | continue; | |
2812 | if (!if_is_operative(tmp_if)) | |
2813 | continue; | |
2814 | vxl = &zif->l2info.vxl; | |
2232a77c | 2815 | |
d62a17ae | 2816 | if (zif->brslave_info.br_if != br_if) |
2817 | continue; | |
2232a77c | 2818 | |
2853fed6 | 2819 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2820 | found = 1; | |
d62a17ae | 2821 | break; |
2853fed6 | 2822 | } |
d62a17ae | 2823 | } |
2232a77c | 2824 | |
2853fed6 | 2825 | if (!found) |
d62a17ae | 2826 | return NULL; |
2232a77c | 2827 | |
2853fed6 | 2828 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2829 | return zvni; |
2232a77c | 2830 | } |
2831 | ||
2832 | /* | |
2833 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2834 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2835 | */ |
b7cfce93 MK |
2836 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2837 | struct interface *br_if) | |
d62a17ae | 2838 | { |
2853fed6 | 2839 | struct zebra_ns *zns; |
2840 | struct route_node *rn; | |
2841 | struct interface *tmp_if = NULL; | |
d62a17ae | 2842 | struct zebra_if *zif; |
2843 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2844 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2845 | uint8_t bridge_vlan_aware; |
d62a17ae | 2846 | vlanid_t vid = 0; |
2847 | zebra_vni_t *zvni; | |
2853fed6 | 2848 | int found = 0; |
d62a17ae | 2849 | |
71349e03 MK |
2850 | if (!br_if) |
2851 | return NULL; | |
2852 | ||
d62a17ae | 2853 | /* Make sure the linked interface is a bridge. */ |
2854 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2855 | return NULL; | |
2856 | ||
d62a17ae | 2857 | /* Determine if bridge is VLAN-aware or not */ |
2858 | zif = br_if->info; | |
2859 | assert(zif); | |
2860 | br = &zif->l2info.br; | |
2861 | bridge_vlan_aware = br->vlan_aware; | |
2862 | if (bridge_vlan_aware) { | |
2863 | struct zebra_l2info_vlan *vl; | |
2864 | ||
2865 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2866 | return NULL; | |
2867 | ||
2868 | zif = ifp->info; | |
2869 | assert(zif); | |
2870 | vl = &zif->l2info.vl; | |
2871 | vid = vl->vid; | |
2872 | } | |
2873 | ||
2874 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2875 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2876 | zns = zebra_ns_lookup(NS_DEFAULT); |
2877 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2878 | tmp_if = (struct interface *)rn->info; | |
2879 | if (!tmp_if) | |
2880 | continue; | |
d62a17ae | 2881 | zif = tmp_if->info; |
2882 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2883 | continue; | |
2884 | if (!if_is_operative(tmp_if)) | |
2885 | continue; | |
2886 | vxl = &zif->l2info.vxl; | |
2887 | ||
2888 | if (zif->brslave_info.br_if != br_if) | |
2889 | continue; | |
2890 | ||
2853fed6 | 2891 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2892 | found = 1; | |
d62a17ae | 2893 | break; |
2853fed6 | 2894 | } |
d62a17ae | 2895 | } |
2896 | ||
2853fed6 | 2897 | if (!found) |
d62a17ae | 2898 | return NULL; |
2899 | ||
2853fed6 | 2900 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2901 | return zvni; |
2232a77c | 2902 | } |
2903 | ||
2904 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2905 | * of two cases: | |
2906 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2907 | * linked to the bridge | |
2908 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2909 | * itself | |
2910 | */ | |
2853fed6 | 2911 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2912 | { |
2853fed6 | 2913 | struct zebra_ns *zns; |
2914 | struct route_node *rn; | |
2915 | struct interface *tmp_if = NULL; | |
d62a17ae | 2916 | struct zebra_if *zif; |
2917 | struct zebra_l2info_bridge *br; | |
2918 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2919 | uint8_t bridge_vlan_aware; |
2853fed6 | 2920 | int found = 0; |
d62a17ae | 2921 | |
b5ebdc9b | 2922 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2923 | if (!br_if) | |
2924 | return NULL; | |
2925 | ||
d62a17ae | 2926 | /* Determine if bridge is VLAN-aware or not */ |
2927 | zif = br_if->info; | |
2928 | assert(zif); | |
2929 | br = &zif->l2info.br; | |
2930 | bridge_vlan_aware = br->vlan_aware; | |
2931 | ||
2932 | /* Check oper status of the SVI. */ | |
2933 | if (!bridge_vlan_aware) | |
2934 | return if_is_operative(br_if) ? br_if : NULL; | |
2935 | ||
2936 | /* Identify corresponding VLAN interface. */ | |
2937 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2938 | zns = zebra_ns_lookup(NS_DEFAULT); |
2939 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2940 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2941 | /* Check oper status of the SVI. */ |
2853fed6 | 2942 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2943 | continue; |
2944 | zif = tmp_if->info; | |
2945 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2946 | || zif->link != br_if) | |
2947 | continue; | |
2948 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2949 | ||
2853fed6 | 2950 | if (vl->vid == vid) { |
2951 | found = 1; | |
d62a17ae | 2952 | break; |
2853fed6 | 2953 | } |
d62a17ae | 2954 | } |
2955 | ||
2853fed6 | 2956 | return found ? tmp_if : NULL; |
2232a77c | 2957 | } |
2958 | ||
2959 | /* | |
2960 | * Install remote MAC into the kernel. | |
2961 | */ | |
d62a17ae | 2962 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2963 | { |
d62a17ae | 2964 | struct zebra_if *zif; |
2965 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 2966 | bool sticky; |
2232a77c | 2967 | |
d62a17ae | 2968 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2969 | return 0; | |
2232a77c | 2970 | |
d62a17ae | 2971 | zif = zvni->vxlan_if->info; |
2972 | if (!zif) | |
2973 | return -1; | |
2974 | vxl = &zif->l2info.vxl; | |
2232a77c | 2975 | |
a37f4598 | 2976 | sticky = !!CHECK_FLAG(mac->flags, |
2977 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 2978 | |
d62a17ae | 2979 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2980 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2981 | } |
2982 | ||
2983 | /* | |
d63c1b18 | 2984 | * Uninstall remote MAC from the kernel. |
2232a77c | 2985 | */ |
d63c1b18 | 2986 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2987 | { |
d62a17ae | 2988 | struct zebra_if *zif; |
2989 | struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 2990 | struct in_addr vtep_ip; |
d62a17ae | 2991 | struct interface *ifp; |
2232a77c | 2992 | |
d63c1b18 | 2993 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 2994 | return 0; |
2232a77c | 2995 | |
d62a17ae | 2996 | if (!zvni->vxlan_if) { |
9df414fe QY |
2997 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2998 | zvni->vni, zvni); | |
d62a17ae | 2999 | return -1; |
3000 | } | |
2232a77c | 3001 | |
d62a17ae | 3002 | zif = zvni->vxlan_if->info; |
3003 | if (!zif) | |
3004 | return -1; | |
3005 | vxl = &zif->l2info.vxl; | |
2232a77c | 3006 | |
d63c1b18 | 3007 | ifp = zvni->vxlan_if; |
3008 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 3009 | |
d63c1b18 | 3010 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 3011 | } |
3012 | ||
3013 | /* | |
3014 | * Install MAC hash entry - called upon access VLAN change. | |
3015 | */ | |
d62a17ae | 3016 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 3017 | { |
d62a17ae | 3018 | zebra_mac_t *mac; |
3019 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 3020 | |
d62a17ae | 3021 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 3022 | |
d62a17ae | 3023 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
3024 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 3025 | } |
3026 | ||
fe697c6b | 3027 | /* |
3028 | * Count of remote neighbors referencing this MAC. | |
3029 | */ | |
3030 | static int remote_neigh_count(zebra_mac_t *zmac) | |
3031 | { | |
3032 | zebra_neigh_t *n = NULL; | |
3033 | struct listnode *node = NULL; | |
3034 | int count = 0; | |
3035 | ||
3036 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
3037 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
3038 | count++; | |
3039 | } | |
3040 | ||
3041 | return count; | |
3042 | } | |
3043 | ||
2232a77c | 3044 | /* |
3045 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
3046 | * appropriate. | |
3047 | */ | |
fe697c6b | 3048 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 3049 | { |
fe697c6b | 3050 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 3051 | return; |
2232a77c | 3052 | |
fe697c6b | 3053 | /* If all remote neighbors referencing a remote MAC go away, |
3054 | * we need to uninstall the MAC. | |
3055 | */ | |
3056 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
3057 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 3058 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 3059 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
3060 | } | |
2232a77c | 3061 | |
fe697c6b | 3062 | /* If no neighbors, delete the MAC. */ |
3063 | if (list_isempty(mac->neigh_list)) | |
3064 | zvni_mac_del(zvni, mac); | |
2232a77c | 3065 | } |
3066 | ||
3067 | /* | |
3068 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
3069 | */ | |
996c9314 | 3070 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 3071 | { |
2853fed6 | 3072 | struct zebra_ns *zns; |
d62a17ae | 3073 | struct zebra_if *zif; |
3074 | struct interface *vlan_if; | |
3075 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 3076 | struct interface *vrr_if; |
2232a77c | 3077 | |
d62a17ae | 3078 | zif = ifp->info; |
3079 | vxl = &zif->l2info.vxl; | |
2853fed6 | 3080 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 3081 | |
d62a17ae | 3082 | if (IS_ZEBRA_DEBUG_VXLAN) |
3083 | zlog_debug( | |
2853fed6 | 3084 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
3085 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 3086 | zif->brslave_info.bridge_ifindex); |
2232a77c | 3087 | |
2853fed6 | 3088 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
3089 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
3090 | if (vlan_if) { |
3091 | ||
ead40654 MK |
3092 | /* Add SVI MAC-IP */ |
3093 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 3094 | |
ead40654 MK |
3095 | /* Add VRR MAC-IP - if any*/ |
3096 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
3097 | if (vrr_if) | |
3098 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 3099 | |
2853fed6 | 3100 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 3101 | } |
2232a77c | 3102 | } |
3103 | ||
3104 | /* | |
3105 | * Hash function for VNI. | |
3106 | */ | |
d62a17ae | 3107 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 3108 | { |
d62a17ae | 3109 | const zebra_vni_t *zvni = p; |
2232a77c | 3110 | |
d62a17ae | 3111 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 3112 | } |
3113 | ||
3114 | /* | |
3115 | * Compare 2 VNI hash entries. | |
3116 | */ | |
74df8d6d | 3117 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 3118 | { |
d62a17ae | 3119 | const zebra_vni_t *zvni1 = p1; |
3120 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 3121 | |
d62a17ae | 3122 | return (zvni1->vni == zvni2->vni); |
2232a77c | 3123 | } |
3124 | ||
27fa3398 DS |
3125 | static int vni_list_cmp(void *p1, void *p2) |
3126 | { | |
3127 | const zebra_vni_t *zvni1 = p1; | |
3128 | const zebra_vni_t *zvni2 = p2; | |
3129 | ||
3130 | if (zvni1->vni == zvni2->vni) | |
3131 | return 0; | |
3132 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
3133 | } | |
3134 | ||
2232a77c | 3135 | /* |
3136 | * Callback to allocate VNI hash entry. | |
3137 | */ | |
d62a17ae | 3138 | static void *zvni_alloc(void *p) |
2232a77c | 3139 | { |
d62a17ae | 3140 | const zebra_vni_t *tmp_vni = p; |
3141 | zebra_vni_t *zvni; | |
2232a77c | 3142 | |
d62a17ae | 3143 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
3144 | zvni->vni = tmp_vni->vni; | |
3145 | return ((void *)zvni); | |
2232a77c | 3146 | } |
3147 | ||
3148 | /* | |
3149 | * Look up VNI hash entry. | |
3150 | */ | |
2853fed6 | 3151 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 3152 | { |
2853fed6 | 3153 | struct zebra_vrf *zvrf; |
d62a17ae | 3154 | zebra_vni_t tmp_vni; |
3155 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3156 | |
2853fed6 | 3157 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
3158 | assert(zvrf); | |
d62a17ae | 3159 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
3160 | tmp_vni.vni = vni; | |
3161 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 3162 | |
d62a17ae | 3163 | return zvni; |
2232a77c | 3164 | } |
3165 | ||
3166 | /* | |
3167 | * Add VNI hash entry. | |
3168 | */ | |
2853fed6 | 3169 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 3170 | { |
2853fed6 | 3171 | struct zebra_vrf *zvrf; |
d62a17ae | 3172 | zebra_vni_t tmp_zvni; |
3173 | zebra_vni_t *zvni = NULL; | |
2232a77c | 3174 | |
2853fed6 | 3175 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
3176 | assert(zvrf); | |
d62a17ae | 3177 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
3178 | tmp_zvni.vni = vni; | |
3179 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
3180 | assert(zvni); | |
2232a77c | 3181 | |
d62a17ae | 3182 | /* Create hash table for MAC */ |
3183 | zvni->mac_table = | |
3184 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 3185 | |
d62a17ae | 3186 | /* Create hash table for neighbors */ |
3187 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
3188 | "Zebra VNI Neighbor Table"); | |
2232a77c | 3189 | |
d62a17ae | 3190 | return zvni; |
2232a77c | 3191 | } |
3192 | ||
3193 | /* | |
3194 | * Delete VNI hash entry. | |
3195 | */ | |
2853fed6 | 3196 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 3197 | { |
2853fed6 | 3198 | struct zebra_vrf *zvrf; |
d62a17ae | 3199 | zebra_vni_t *tmp_zvni; |
2232a77c | 3200 | |
2853fed6 | 3201 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
3202 | assert(zvrf); | |
3203 | ||
d62a17ae | 3204 | zvni->vxlan_if = NULL; |
2232a77c | 3205 | |
d62a17ae | 3206 | /* Free the neighbor hash table. */ |
3207 | hash_free(zvni->neigh_table); | |
3208 | zvni->neigh_table = NULL; | |
2232a77c | 3209 | |
d62a17ae | 3210 | /* Free the MAC hash table. */ |
3211 | hash_free(zvni->mac_table); | |
3212 | zvni->mac_table = NULL; | |
2232a77c | 3213 | |
d62a17ae | 3214 | /* Free the VNI hash entry and allocated memory. */ |
3215 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
3216 | if (tmp_zvni) | |
3217 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 3218 | |
d62a17ae | 3219 | return 0; |
2232a77c | 3220 | } |
3221 | ||
3222 | /* | |
3223 | * Inform BGP about local VNI addition. | |
3224 | */ | |
2853fed6 | 3225 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 3226 | { |
d62a17ae | 3227 | struct zserv *client; |
3228 | struct stream *s; | |
2232a77c | 3229 | |
21ccc0cf | 3230 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3231 | /* BGP may not be running. */ |
3232 | if (!client) | |
3233 | return 0; | |
2232a77c | 3234 | |
1002497a | 3235 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 3236 | |
7cf15b25 | 3237 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 3238 | stream_putl(s, zvni->vni); |
3239 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 3240 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 3241 | |
d62a17ae | 3242 | /* Write packet size. */ |
3243 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3244 | |
d62a17ae | 3245 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3246 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
3247 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 3248 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 3249 | zebra_route_string(client->proto)); |
2232a77c | 3250 | |
d62a17ae | 3251 | client->vniadd_cnt++; |
21ccc0cf | 3252 | return zserv_send_message(client, s); |
2232a77c | 3253 | } |
3254 | ||
3255 | /* | |
3256 | * Inform BGP about local VNI deletion. | |
3257 | */ | |
2853fed6 | 3258 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 3259 | { |
d62a17ae | 3260 | struct zserv *client; |
3261 | struct stream *s; | |
2232a77c | 3262 | |
21ccc0cf | 3263 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 3264 | /* BGP may not be running. */ |
3265 | if (!client) | |
3266 | return 0; | |
2232a77c | 3267 | |
1002497a | 3268 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 3269 | stream_reset(s); |
2232a77c | 3270 | |
7cf15b25 | 3271 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 3272 | stream_putl(s, vni); |
2232a77c | 3273 | |
d62a17ae | 3274 | /* Write packet size. */ |
3275 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 3276 | |
d62a17ae | 3277 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 3278 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 3279 | zebra_route_string(client->proto)); |
2232a77c | 3280 | |
d62a17ae | 3281 | client->vnidel_cnt++; |
21ccc0cf | 3282 | return zserv_send_message(client, s); |
2232a77c | 3283 | } |
3284 | ||
3285 | /* | |
3286 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
3287 | * is called when EVPN (advertise-all-vni) is enabled. | |
3288 | */ | |
2853fed6 | 3289 | static void zvni_build_hash_table() |
2232a77c | 3290 | { |
2853fed6 | 3291 | struct zebra_ns *zns; |
3292 | struct route_node *rn; | |
d62a17ae | 3293 | struct interface *ifp; |
2232a77c | 3294 | |
d62a17ae | 3295 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 3296 | zns = zebra_ns_lookup(NS_DEFAULT); |
3297 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 3298 | vni_t vni; |
643215ce | 3299 | zebra_vni_t *zvni = NULL; |
3300 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 3301 | struct zebra_if *zif; |
3302 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 3303 | |
2853fed6 | 3304 | ifp = (struct interface *)rn->info; |
3305 | if (!ifp) | |
3306 | continue; | |
d62a17ae | 3307 | zif = ifp->info; |
3308 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3309 | continue; | |
2232a77c | 3310 | |
b7cfce93 | 3311 | vxl = &zif->l2info.vxl; |
d62a17ae | 3312 | vni = vxl->vni; |
2232a77c | 3313 | |
643215ce | 3314 | /* L3-VNI and L2-VNI are handled seperately */ |
3315 | zl3vni = zl3vni_lookup(vni); | |
3316 | if (zl3vni) { | |
2232a77c | 3317 | |
b7cfce93 | 3318 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
3319 | zlog_debug( |
3320 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
3321 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 3322 | |
b7cfce93 | 3323 | /* associate with vxlan_if */ |
b67a60d2 | 3324 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 3325 | zl3vni->vxlan_if = ifp; |
2232a77c | 3326 | |
523cafc4 | 3327 | /* |
3328 | * we need to associate with SVI. | |
b7cfce93 | 3329 | * we can associate with svi-if only after association |
523cafc4 | 3330 | * with vxlan-intf is complete |
3331 | */ | |
b7cfce93 MK |
3332 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
3333 | ||
3334 | if (is_l3vni_oper_up(zl3vni)) | |
3335 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
3336 | ||
3337 | } else { | |
b7cfce93 MK |
3338 | struct interface *vlan_if = NULL; |
3339 | ||
3340 | if (IS_ZEBRA_DEBUG_VXLAN) | |
3341 | zlog_debug( | |
3342 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
3343 | ifp->name, ifp->ifindex, vni, | |
3344 | inet_ntoa(vxl->vtep_ip)); | |
3345 | ||
3346 | /* VNI hash entry is not expected to exist. */ | |
3347 | zvni = zvni_lookup(vni); | |
3348 | if (zvni) { | |
9df414fe | 3349 | zlog_debug( |
b7cfce93 MK |
3350 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
3351 | ifp->name, ifp->ifindex, vni); | |
3352 | continue; | |
3353 | } | |
3354 | ||
3355 | zvni = zvni_add(vni); | |
3356 | if (!zvni) { | |
9df414fe | 3357 | zlog_debug( |
b7cfce93 MK |
3358 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
3359 | ifp->name, ifp->ifindex, vni); | |
3360 | return; | |
3361 | } | |
3362 | ||
3363 | zvni->local_vtep_ip = vxl->vtep_ip; | |
3364 | zvni->vxlan_if = ifp; | |
3365 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
3366 | zif->brslave_info.br_if); | |
3367 | if (vlan_if) { | |
3368 | zvni->vrf_id = vlan_if->vrf_id; | |
3369 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
3370 | if (zl3vni) | |
3371 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3372 | } | |
3373 | ||
3374 | ||
3375 | /* Inform BGP if intf is up and mapped to bridge. */ | |
3376 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
3377 | zvni_send_add_to_client(zvni); | |
3378 | } | |
d62a17ae | 3379 | } |
2232a77c | 3380 | } |
3381 | ||
3382 | /* | |
3383 | * See if remote VTEP matches with prefix. | |
3384 | */ | |
d62a17ae | 3385 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 3386 | { |
d62a17ae | 3387 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 3388 | } |
3389 | ||
3390 | /* | |
3391 | * Locate remote VTEP in VNI hash table. | |
3392 | */ | |
d62a17ae | 3393 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3394 | { |
d62a17ae | 3395 | zebra_vtep_t *zvtep; |
2232a77c | 3396 | |
d62a17ae | 3397 | if (!zvni) |
3398 | return NULL; | |
2232a77c | 3399 | |
d62a17ae | 3400 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3401 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3402 | break; | |
3403 | } | |
2232a77c | 3404 | |
d62a17ae | 3405 | return zvtep; |
2232a77c | 3406 | } |
3407 | ||
3408 | /* | |
3409 | * Add remote VTEP to VNI hash table. | |
3410 | */ | |
d62a17ae | 3411 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3412 | { |
d62a17ae | 3413 | zebra_vtep_t *zvtep; |
2232a77c | 3414 | |
d62a17ae | 3415 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3416 | |
d62a17ae | 3417 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3418 | |
d62a17ae | 3419 | if (zvni->vteps) |
3420 | zvni->vteps->prev = zvtep; | |
3421 | zvtep->next = zvni->vteps; | |
3422 | zvni->vteps = zvtep; | |
2232a77c | 3423 | |
d62a17ae | 3424 | return zvtep; |
2232a77c | 3425 | } |
3426 | ||
3427 | /* | |
3428 | * Remove remote VTEP from VNI hash table. | |
3429 | */ | |
d62a17ae | 3430 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3431 | { |
d62a17ae | 3432 | if (zvtep->next) |
3433 | zvtep->next->prev = zvtep->prev; | |
3434 | if (zvtep->prev) | |
3435 | zvtep->prev->next = zvtep->next; | |
3436 | else | |
3437 | zvni->vteps = zvtep->next; | |
2232a77c | 3438 | |
d62a17ae | 3439 | zvtep->prev = zvtep->next = NULL; |
3440 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3441 | |
d62a17ae | 3442 | return 0; |
2232a77c | 3443 | } |
3444 | ||
3445 | /* | |
3446 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3447 | * uninstall from kernel if asked to. | |
3448 | */ | |
d62a17ae | 3449 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3450 | { |
d62a17ae | 3451 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3452 | |
d62a17ae | 3453 | if (!zvni) |
3454 | return -1; | |
2232a77c | 3455 | |
d62a17ae | 3456 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3457 | zvtep_next = zvtep->next; | |
3458 | if (uninstall) | |
3459 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3460 | zvni_vtep_del(zvni, zvtep); | |
3461 | } | |
2232a77c | 3462 | |
d62a17ae | 3463 | return 0; |
2232a77c | 3464 | } |
3465 | ||
3466 | /* | |
3467 | * Install remote VTEP into the kernel. | |
3468 | */ | |
d62a17ae | 3469 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3470 | { |
fbac9605 DS |
3471 | if (is_vxlan_flooding_head_end()) |
3472 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); | |
3473 | return 0; | |
2232a77c | 3474 | } |
3475 | ||
3476 | /* | |
3477 | * Uninstall remote VTEP from the kernel. | |
3478 | */ | |
d62a17ae | 3479 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3480 | { |
d62a17ae | 3481 | if (!zvni->vxlan_if) { |
9df414fe QY |
3482 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3483 | zvni->vni, zvni); | |
d62a17ae | 3484 | return -1; |
3485 | } | |
2232a77c | 3486 | |
d62a17ae | 3487 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3488 | } |
3489 | ||
fbac9605 DS |
3490 | /* |
3491 | * Install or uninstall flood entries in the kernel corresponding to | |
3492 | * remote VTEPs. This is invoked upon change to BUM handling. | |
3493 | */ | |
3494 | static void zvni_handle_flooding_remote_vteps(struct hash_backet *backet, | |
3495 | void *zvrf) | |
3496 | { | |
3497 | zebra_vni_t *zvni; | |
3498 | zebra_vtep_t *zvtep; | |
3499 | ||
3500 | zvni = (zebra_vni_t *)backet->data; | |
3501 | if (!zvni) | |
3502 | return; | |
3503 | ||
3504 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
3505 | if (is_vxlan_flooding_head_end()) | |
3506 | zvni_vtep_install(zvni, &zvtep->vtep_ip); | |
3507 | else | |
3508 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3509 | } | |
3510 | } | |
3511 | ||
2232a77c | 3512 | /* |
3513 | * Cleanup VNI/VTEP and update kernel | |
3514 | */ | |
84915b0a | 3515 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3516 | { |
b7cfce93 MK |
3517 | zebra_vni_t *zvni = NULL; |
3518 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3519 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3520 | |
d62a17ae | 3521 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3522 | |
b7cfce93 | 3523 | /* remove from l3-vni list */ |
84915b0a | 3524 | if (zvrf->l3vni) |
3525 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3526 | if (zl3vni) |
3527 | listnode_delete(zl3vni->l2vnis, zvni); | |
3528 | ||
d62a17ae | 3529 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3530 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3531 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3532 | |
d62a17ae | 3533 | /* Free up all remote VTEPs, if any. */ |
3534 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3535 | |
d62a17ae | 3536 | /* Delete the hash entry. */ |
2853fed6 | 3537 | zvni_del(zvni); |
2232a77c | 3538 | } |
3539 | ||
655b04d1 | 3540 | /* cleanup L3VNI */ |
996c9314 | 3541 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3542 | { |
3543 | zebra_l3vni_t *zl3vni = NULL; | |
3544 | ||
3545 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3546 | |
3547 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3548 | } | |
3549 | ||
85442b09 | 3550 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3551 | struct prefix *host) |
5e1b0650 DS |
3552 | { |
3553 | struct host_rb_entry lookup; | |
3554 | struct host_rb_entry *hle; | |
3555 | ||
3556 | memset(&lookup, 0, sizeof(lookup)); | |
3557 | memcpy(&lookup.p, host, sizeof(*host)); | |
3558 | ||
85442b09 | 3559 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3560 | if (hle) |
3561 | return; | |
3562 | ||
3563 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3564 | memcpy(hle, &lookup, sizeof(lookup)); | |
3565 | ||
85442b09 | 3566 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3567 | } |
3568 | ||
85442b09 | 3569 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3570 | { |
3571 | struct host_rb_entry lookup; | |
3572 | struct host_rb_entry *hle; | |
3573 | ||
3574 | memset(&lookup, 0, sizeof(lookup)); | |
3575 | memcpy(&lookup.p, host, sizeof(*host)); | |
3576 | ||
85442b09 | 3577 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3578 | if (hle) { |
85442b09 | 3579 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3580 | XFREE(MTYPE_HOST_PREFIX, hle); |
3581 | } | |
5e1b0650 DS |
3582 | |
3583 | return; | |
3584 | } | |
3585 | ||
b7cfce93 MK |
3586 | /* |
3587 | * Look up MAC hash entry. | |
3588 | */ | |
2dbad57f | 3589 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3590 | struct ethaddr *rmac) |
3591 | { | |
3592 | zebra_mac_t tmp; | |
3593 | zebra_mac_t *pmac; | |
3594 | ||
3595 | memset(&tmp, 0, sizeof(tmp)); | |
3596 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3597 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3598 | |
b7cfce93 | 3599 | return pmac; |
2dbad57f | 3600 | } |
2232a77c | 3601 | |
cec2e17d | 3602 | /* |
b7cfce93 | 3603 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3604 | */ |
2dbad57f | 3605 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3606 | { |
b7cfce93 MK |
3607 | const zebra_mac_t *tmp_rmac = p; |
3608 | zebra_mac_t *zrmac; | |
d62a17ae | 3609 | |
b7cfce93 MK |
3610 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3611 | *zrmac = *tmp_rmac; | |
d62a17ae | 3612 | |
b7cfce93 | 3613 | return ((void *)zrmac); |
2dbad57f | 3614 | } |
cd233079 | 3615 | |
b7cfce93 MK |
3616 | /* |
3617 | * Add RMAC entry to l3-vni | |
3618 | */ | |
996c9314 | 3619 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3620 | { |
3621 | zebra_mac_t tmp_rmac; | |
3622 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3623 | |
b7cfce93 MK |
3624 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3625 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3626 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3627 | assert(zrmac); | |
d62a17ae | 3628 | |
85442b09 | 3629 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3630 | |
2dbad57f | 3631 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3632 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3633 | ||
b7cfce93 | 3634 | return zrmac; |
2dbad57f | 3635 | } |
cec2e17d | 3636 | |
3637 | /* | |
b7cfce93 | 3638 | * Delete MAC entry. |
cec2e17d | 3639 | */ |
996c9314 | 3640 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3641 | { |
b7cfce93 | 3642 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3643 | struct host_rb_entry *hle; |
cd233079 | 3644 | |
85442b09 DS |
3645 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3646 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3647 | |
85442b09 | 3648 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3649 | XFREE(MTYPE_HOST_PREFIX, hle); |
3650 | } | |
cd233079 | 3651 | |
b7cfce93 MK |
3652 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3653 | if (tmp_rmac) | |
3654 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3655 | |
b7cfce93 | 3656 | return 0; |
2dbad57f | 3657 | } |
cec2e17d | 3658 | |
3659 | /* | |
b7cfce93 | 3660 | * Install remote RMAC into the kernel. |
cec2e17d | 3661 | */ |
996c9314 | 3662 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3663 | { |
b7cfce93 MK |
3664 | struct zebra_if *zif = NULL; |
3665 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3666 | |
996c9314 LB |
3667 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3668 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3669 | return 0; |
3670 | ||
3671 | zif = zl3vni->vxlan_if->info; | |
3672 | if (!zif) | |
3673 | return -1; | |
3674 | ||
3675 | vxl = &zif->l2info.vxl; | |
3676 | ||
3677 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3678 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3679 | } |
b7cfce93 MK |
3680 | |
3681 | /* | |
3682 | * Uninstall remote RMAC from the kernel. | |
3683 | */ | |
996c9314 | 3684 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3685 | { |
3686 | char buf[ETHER_ADDR_STRLEN]; | |
3687 | struct zebra_if *zif = NULL; | |
3688 | struct zebra_l2info_vxlan *vxl = NULL; | |
3689 | ||
996c9314 LB |
3690 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3691 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3692 | return 0; |
3693 | ||
3694 | if (!zl3vni->vxlan_if) { | |
9df414fe | 3695 | zlog_debug( |
996c9314 LB |
3696 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3697 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3698 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3699 | return -1; |
3700 | } | |
3701 | ||
3702 | zif = zl3vni->vxlan_if->info; | |
3703 | if (!zif) | |
3704 | return -1; | |
3705 | ||
3706 | vxl = &zif->l2info.vxl; | |
3707 | ||
3708 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 3709 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 3710 | } |
3711 | ||
3712 | /* handle rmac add */ | |
996c9314 | 3713 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3714 | struct ipaddr *vtep_ip, |
3715 | struct prefix *host_prefix) | |
2dbad57f | 3716 | { |
3717 | char buf[ETHER_ADDR_STRLEN]; | |
3718 | char buf1[INET6_ADDRSTRLEN]; | |
3719 | zebra_mac_t *zrmac = NULL; | |
3720 | ||
3721 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3722 | if (!zrmac) { | |
3723 | ||
3724 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3725 | if (!zrmac) { | |
9df414fe | 3726 | zlog_debug( |
2dbad57f | 3727 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
3728 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3729 | zl3vni->vni, | |
3730 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3731 | return -1; |
3732 | } | |
3733 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3734 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3735 | ||
3736 | /* install rmac in kernel */ | |
3737 | zl3vni_rmac_install(zl3vni, zrmac); | |
3738 | } | |
6134fd82 | 3739 | |
41db76c2 | 3740 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3741 | |
2dbad57f | 3742 | return 0; |
3743 | } | |
3744 | ||
3745 | ||
3746 | /* handle rmac delete */ | |
22e63104 | 3747 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3748 | struct prefix *host_prefix) |
2dbad57f | 3749 | { |
41db76c2 | 3750 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3751 | |
85442b09 | 3752 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3753 | /* uninstall from kernel */ |
3754 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3755 | ||
3756 | /* del the rmac entry */ | |
3757 | zl3vni_rmac_del(zl3vni, zrmac); | |
3758 | } | |
2dbad57f | 3759 | } |
b7cfce93 MK |
3760 | |
3761 | /* | |
3762 | * Look up nh hash entry on a l3-vni. | |
3763 | */ | |
996c9314 | 3764 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3765 | { |
3766 | zebra_neigh_t tmp; | |
3767 | zebra_neigh_t *n; | |
3768 | ||
3769 | memset(&tmp, 0, sizeof(tmp)); | |
3770 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3771 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3772 | ||
3773 | return n; | |
2dbad57f | 3774 | } |
b7cfce93 MK |
3775 | |
3776 | ||
3777 | /* | |
3778 | * Callback to allocate NH hash entry on L3-VNI. | |
3779 | */ | |
2dbad57f | 3780 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3781 | { |
3782 | const zebra_neigh_t *tmp_n = p; | |
3783 | zebra_neigh_t *n; | |
3784 | ||
3785 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3786 | *n = *tmp_n; | |
3787 | ||
3788 | return ((void *)n); | |
2dbad57f | 3789 | } |
b7cfce93 MK |
3790 | |
3791 | /* | |
3792 | * Add neighbor entry. | |
3793 | */ | |
996c9314 | 3794 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3795 | struct ethaddr *mac) |
3796 | { | |
3797 | zebra_neigh_t tmp_n; | |
3798 | zebra_neigh_t *n = NULL; | |
3799 | ||
3800 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3801 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3802 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3803 | assert(n); | |
3804 | ||
85442b09 | 3805 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3806 | |
b7cfce93 | 3807 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3808 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3809 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3810 | |
3811 | return n; | |
2dbad57f | 3812 | } |
b7cfce93 MK |
3813 | |
3814 | /* | |
3815 | * Delete neighbor entry. | |
3816 | */ | |
996c9314 | 3817 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3818 | { |
3819 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3820 | struct host_rb_entry *hle; |
b7cfce93 | 3821 | |
85442b09 DS |
3822 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3823 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3824 | |
85442b09 | 3825 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3826 | XFREE(MTYPE_HOST_PREFIX, hle); |
3827 | } | |
55aabf6f | 3828 | |
b7cfce93 MK |
3829 | tmp_n = hash_release(zl3vni->nh_table, n); |
3830 | if (tmp_n) | |
3831 | XFREE(MTYPE_NEIGH, tmp_n); | |
3832 | ||
3833 | return 0; | |
2dbad57f | 3834 | } |
b7cfce93 MK |
3835 | |
3836 | /* | |
3837 | * Install remote nh as neigh into the kernel. | |
3838 | */ | |
996c9314 | 3839 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3840 | { |
f7dae312 | 3841 | #ifdef GNU_LINUX |
68e33151 | 3842 | uint8_t flags; |
f7dae312 | 3843 | #endif |
68e33151 CS |
3844 | int ret = 0; |
3845 | ||
b7cfce93 MK |
3846 | if (!is_l3vni_oper_up(zl3vni)) |
3847 | return -1; | |
3848 | ||
996c9314 LB |
3849 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3850 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3851 | return 0; |
68e33151 CS |
3852 | #ifdef GNU_LINUX |
3853 | flags = NTF_EXT_LEARNED; | |
3854 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3855 | flags |= NTF_ROUTER; | |
3856 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3857 | #endif | |
3858 | return ret; | |
2dbad57f | 3859 | } |
b7cfce93 MK |
3860 | |
3861 | /* | |
3862 | * Uninstall remote nh from the kernel. | |
3863 | */ | |
996c9314 | 3864 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3865 | { |
996c9314 LB |
3866 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3867 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3868 | return 0; |
3869 | ||
fa409e1e | 3870 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3871 | return 0; | |
3872 | ||
b7cfce93 | 3873 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3874 | } |
3875 | ||
3876 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3877 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3878 | struct ethaddr *rmac, |
3879 | struct prefix *host_prefix) | |
2dbad57f | 3880 | { |
3881 | char buf[ETHER_ADDR_STRLEN]; | |
3882 | char buf1[INET6_ADDRSTRLEN]; | |
3883 | zebra_neigh_t *nh = NULL; | |
3884 | ||
3885 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3886 | if (!nh) { | |
3887 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3888 | if (!nh) { | |
3889 | ||
9df414fe | 3890 | zlog_debug( |
2dbad57f | 3891 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
3892 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3893 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3894 | zl3vni->vni); |
3895 | return -1; | |
3896 | } | |
3897 | ||
3898 | /* install the nh neigh in kernel */ | |
3899 | zl3vni_nh_install(zl3vni, nh); | |
3900 | } | |
6134fd82 | 3901 | |
f2a503f0 | 3902 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3903 | |
2dbad57f | 3904 | return 0; |
3905 | } | |
3906 | ||
3907 | /* handle nh neigh delete */ | |
22e63104 | 3908 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3909 | struct prefix *host_prefix) | |
2dbad57f | 3910 | { |
f2a503f0 | 3911 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3912 | |
85442b09 | 3913 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3914 | /* uninstall from kernel */ |
3915 | zl3vni_nh_uninstall(zl3vni, nh); | |
3916 | ||
3917 | /* delete the nh entry */ | |
3918 | zl3vni_nh_del(zl3vni, nh); | |
3919 | } | |
2dbad57f | 3920 | } |
b7cfce93 | 3921 | |
3bcbba10 | 3922 | /* handle neigh update from kernel - the only thing of interest is to |
3923 | * readd stale entries. | |
3924 | */ | |
996c9314 | 3925 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3926 | uint16_t state) |
3bcbba10 | 3927 | { |
c05a738b | 3928 | #ifdef GNU_LINUX |
3bcbba10 | 3929 | zebra_neigh_t *n = NULL; |
3930 | ||
3931 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3932 | if (!n) | |
3933 | return 0; | |
3934 | ||
3935 | /* all next hop neigh are remote and installed by frr. | |
3936 | * If the kernel has aged this entry, re-install. | |
3937 | */ | |
3938 | if (state & NUD_STALE) | |
3939 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3940 | #endif |
3bcbba10 | 3941 | return 0; |
3942 | } | |
3943 | ||
8c9b80b9 | 3944 | /* handle neigh delete from kernel */ |
996c9314 | 3945 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3946 | { |
3947 | zebra_neigh_t *n = NULL; | |
3948 | ||
3949 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3950 | if (!n) | |
3951 | return 0; | |
3952 | ||
3953 | /* all next hop neigh are remote and installed by frr. | |
3954 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3955 | * install it back |
3956 | */ | |
8c9b80b9 MK |
3957 | zl3vni_nh_install(zl3vni, n); |
3958 | ||
3959 | return 0; | |
3960 | } | |
3961 | ||
b7cfce93 MK |
3962 | /* |
3963 | * Hash function for L3 VNI. | |
3964 | */ | |
3965 | static unsigned int l3vni_hash_keymake(void *p) | |
3966 | { | |
3967 | const zebra_l3vni_t *zl3vni = p; | |
3968 | ||
3969 | return jhash_1word(zl3vni->vni, 0); | |
3970 | } | |
3971 | ||
3972 | /* | |
3973 | * Compare 2 L3 VNI hash entries. | |
3974 | */ | |
74df8d6d | 3975 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
3976 | { |
3977 | const zebra_l3vni_t *zl3vni1 = p1; | |
3978 | const zebra_l3vni_t *zl3vni2 = p2; | |
3979 | ||
3980 | return (zl3vni1->vni == zl3vni2->vni); | |
3981 | } | |
3982 | ||
3983 | /* | |
3984 | * Callback to allocate L3 VNI hash entry. | |
3985 | */ | |
3986 | static void *zl3vni_alloc(void *p) | |
3987 | { | |
3988 | zebra_l3vni_t *zl3vni = NULL; | |
3989 | const zebra_l3vni_t *tmp_l3vni = p; | |
3990 | ||
3991 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3992 | zl3vni->vni = tmp_l3vni->vni; | |
3993 | return ((void *)zl3vni); | |
3994 | } | |
3995 | ||
3996 | /* | |
3997 | * Look up L3 VNI hash entry. | |
3998 | */ | |
3999 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
4000 | { | |
b7cfce93 MK |
4001 | zebra_l3vni_t tmp_l3vni; |
4002 | zebra_l3vni_t *zl3vni = NULL; | |
4003 | ||
b7cfce93 MK |
4004 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
4005 | tmp_l3vni.vni = vni; | |
89272910 | 4006 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
4007 | |
4008 | return zl3vni; | |
4009 | } | |
4010 | ||
4011 | /* | |
4012 | * Add L3 VNI hash entry. | |
4013 | */ | |
4014 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
4015 | { | |
4016 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
4017 | zebra_l3vni_t *zl3vni = NULL; |
4018 | ||
b7cfce93 MK |
4019 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
4020 | tmp_zl3vni.vni = vni; | |
4021 | ||
89272910 | 4022 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
4023 | assert(zl3vni); |
4024 | ||
4025 | zl3vni->vrf_id = vrf_id; | |
4026 | zl3vni->svi_if = NULL; | |
4027 | zl3vni->vxlan_if = NULL; | |
4028 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 4029 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
4030 | |
4031 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
4032 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
4033 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
4034 | |
4035 | /* Create hash table for neighbors */ | |
4036 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 4037 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
4038 | |
4039 | return zl3vni; | |
4040 | } | |
4041 | ||
4042 | /* | |
4043 | * Delete L3 VNI hash entry. | |
4044 | */ | |
4045 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
4046 | { | |
b7cfce93 MK |
4047 | zebra_l3vni_t *tmp_zl3vni; |
4048 | ||
b7cfce93 | 4049 | /* free the list of l2vnis */ |
6a154c88 | 4050 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
4051 | zl3vni->l2vnis = NULL; |
4052 | ||
4053 | /* Free the rmac table */ | |
4054 | hash_free(zl3vni->rmac_table); | |
4055 | zl3vni->rmac_table = NULL; | |
4056 | ||
4057 | /* Free the nh table */ | |
4058 | hash_free(zl3vni->nh_table); | |
4059 | zl3vni->nh_table = NULL; | |
4060 | ||
4061 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 4062 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
b7cfce93 MK |
4063 | if (tmp_zl3vni) |
4064 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
4065 | ||
4066 | return 0; | |
4067 | } | |
4068 | ||
b7cfce93 MK |
4069 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
4070 | { | |
4071 | struct zebra_ns *zns = NULL; | |
4072 | struct route_node *rn = NULL; | |
4073 | struct interface *ifp = NULL; | |
4074 | ||
4075 | /* loop through all vxlan-interface */ | |
4076 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4077 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4078 | ||
4079 | struct zebra_if *zif = NULL; | |
4080 | struct zebra_l2info_vxlan *vxl = NULL; | |
4081 | ||
4082 | ifp = (struct interface *)rn->info; | |
4083 | if (!ifp) | |
4084 | continue; | |
4085 | ||
4086 | zif = ifp->info; | |
4087 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4088 | continue; | |
4089 | ||
4090 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 4091 | if (vxl->vni == zl3vni->vni) { |
4092 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 4093 | return ifp; |
b67a60d2 | 4094 | } |
b7cfce93 MK |
4095 | } |
4096 | ||
4097 | return NULL; | |
4098 | } | |
4099 | ||
4100 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
4101 | { | |
996c9314 | 4102 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
4103 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
4104 | ||
2aeb403d | 4105 | if (!zl3vni) |
4106 | return NULL; | |
4107 | ||
b7cfce93 MK |
4108 | if (!zl3vni->vxlan_if) |
4109 | return NULL; | |
4110 | ||
4111 | zif = zl3vni->vxlan_if->info; | |
4112 | if (!zif) | |
4113 | return NULL; | |
4114 | ||
4115 | vxl = &zif->l2info.vxl; | |
4116 | ||
4117 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
4118 | } | |
4119 | ||
4120 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
4121 | { | |
4122 | struct zebra_vrf *zvrf = NULL; | |
4123 | ||
4124 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
4125 | if (!zvrf) | |
4126 | return NULL; | |
4127 | ||
4128 | return zl3vni_lookup(zvrf->l3vni); | |
4129 | } | |
4130 | ||
4131 | /* | |
4132 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
4133 | * neighbor notifications, to see if they are of interest. | |
4134 | */ | |
4135 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
4136 | struct interface *br_if) | |
4137 | { | |
4138 | int found = 0; | |
4139 | vlanid_t vid = 0; | |
d7c0a89a | 4140 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
4141 | zebra_l3vni_t *zl3vni = NULL; |
4142 | struct zebra_ns *zns = NULL; | |
4143 | struct route_node *rn = NULL; | |
4144 | struct zebra_if *zif = NULL; | |
4145 | struct interface *tmp_if = NULL; | |
4146 | struct zebra_l2info_bridge *br = NULL; | |
4147 | struct zebra_l2info_vxlan *vxl = NULL; | |
4148 | ||
4149 | if (!br_if) | |
4150 | return NULL; | |
4151 | ||
4152 | /* Make sure the linked interface is a bridge. */ | |
4153 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
4154 | return NULL; | |
4155 | ||
4156 | /* Determine if bridge is VLAN-aware or not */ | |
4157 | zif = br_if->info; | |
4158 | assert(zif); | |
4159 | br = &zif->l2info.br; | |
4160 | bridge_vlan_aware = br->vlan_aware; | |
4161 | if (bridge_vlan_aware) { | |
4162 | struct zebra_l2info_vlan *vl; | |
4163 | ||
4164 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
4165 | return NULL; | |
4166 | ||
4167 | zif = ifp->info; | |
4168 | assert(zif); | |
4169 | vl = &zif->l2info.vl; | |
4170 | vid = vl->vid; | |
4171 | } | |
4172 | ||
4173 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
4174 | /* TODO: Optimize with a hash. */ | |
4175 | zns = zebra_ns_lookup(NS_DEFAULT); | |
4176 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
4177 | tmp_if = (struct interface *)rn->info; | |
4178 | if (!tmp_if) | |
4179 | continue; | |
4180 | zif = tmp_if->info; | |
4181 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
4182 | continue; | |
4183 | if (!if_is_operative(tmp_if)) | |
4184 | continue; | |
4185 | vxl = &zif->l2info.vxl; | |
4186 | ||
4187 | if (zif->brslave_info.br_if != br_if) | |
4188 | continue; | |
4189 | ||
4190 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
4191 | found = 1; | |
4192 | break; | |
4193 | } | |
4194 | } | |
4195 | ||
4196 | if (!found) | |
4197 | return NULL; | |
4198 | ||
4199 | zl3vni = zl3vni_lookup(vxl->vni); | |
4200 | return zl3vni; | |
4201 | } | |
4202 | ||
4203 | /* | |
4204 | * Inform BGP about l3-vni. | |
4205 | */ | |
4206 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
4207 | { | |
4208 | struct stream *s = NULL; | |
4209 | struct zserv *client = NULL; | |
4210 | struct ethaddr rmac; | |
4211 | char buf[ETHER_ADDR_STRLEN]; | |
4212 | ||
21ccc0cf | 4213 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4214 | /* BGP may not be running. */ |
4215 | if (!client) | |
4216 | return 0; | |
4217 | ||
4218 | /* get the rmac */ | |
4219 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
4220 | zl3vni_get_rmac(zl3vni, &rmac); | |
4221 | ||
1002497a | 4222 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4223 | |
996c9314 | 4224 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4225 | stream_putl(s, zl3vni->vni); |
4226 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 4227 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 4228 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
4229 | |
4230 | /* Write packet size. */ | |
4231 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4232 | ||
4233 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 4234 | zlog_debug( |
996c9314 LB |
4235 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
4236 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
4237 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
4238 | inet_ntoa(zl3vni->local_vtep_ip), | |
4239 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
4240 | ? "prefix-routes-only" | |
4241 | : "none", | |
4242 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
4243 | |
4244 | client->l3vniadd_cnt++; | |
21ccc0cf | 4245 | return zserv_send_message(client, s); |
b7cfce93 MK |
4246 | } |
4247 | ||
4248 | /* | |
4249 | * Inform BGP about local l3-VNI deletion. | |
4250 | */ | |
4251 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
4252 | { | |
4253 | struct stream *s = NULL; | |
4254 | struct zserv *client = NULL; | |
4255 | ||
21ccc0cf | 4256 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
4257 | /* BGP may not be running. */ |
4258 | if (!client) | |
4259 | return 0; | |
4260 | ||
1002497a | 4261 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 4262 | |
996c9314 | 4263 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
4264 | stream_putl(s, zl3vni->vni); |
4265 | ||
4266 | /* Write packet size. */ | |
4267 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4268 | ||
4269 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4270 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
4271 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
4272 | zebra_route_string(client->proto)); | |
4273 | ||
4274 | client->l3vnidel_cnt++; | |
21ccc0cf | 4275 | return zserv_send_message(client, s); |
b7cfce93 MK |
4276 | } |
4277 | ||
4278 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
4279 | { | |
2aeb403d | 4280 | if (!zl3vni) |
4281 | return; | |
4282 | ||
b7cfce93 MK |
4283 | /* send l3vni add to BGP */ |
4284 | zl3vni_send_add_to_client(zl3vni); | |
4285 | } | |
4286 | ||
4287 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
4288 | { | |
2aeb403d | 4289 | if (!zl3vni) |
4290 | return; | |
4291 | ||
b7cfce93 MK |
4292 | /* send l3-vni del to BGP*/ |
4293 | zl3vni_send_del_to_client(zl3vni); | |
4294 | } | |
4295 | ||
996c9314 | 4296 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 4297 | { |
996c9314 LB |
4298 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
4299 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
4300 | |
4301 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
4302 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
4303 | } | |
4304 | ||
b7cfce93 MK |
4305 | /* |
4306 | * handle transition of vni from l2 to l3 and vice versa | |
4307 | */ | |
996c9314 LB |
4308 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
4309 | int add) | |
b7cfce93 MK |
4310 | { |
4311 | zebra_vni_t *zvni = NULL; | |
4312 | ||
4313 | /* There is a possibility that VNI notification was already received | |
4314 | * from kernel and we programmed it as L2-VNI | |
4315 | * In such a case we need to delete this L2-VNI first, so | |
4316 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
4317 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
4318 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 4319 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
4320 | */ | |
b7cfce93 MK |
4321 | if (add) { |
4322 | /* Locate hash entry */ | |
4323 | zvni = zvni_lookup(vni); | |
4324 | if (!zvni) | |
4325 | return 0; | |
4326 | ||
4327 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4328 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
4329 | |
4330 | /* Delete VNI from BGP. */ | |
4331 | zvni_send_del_to_client(zvni->vni); | |
4332 | ||
4333 | /* Free up all neighbors and MAC, if any. */ | |
4334 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
4335 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
4336 | ||
4337 | /* Free up all remote VTEPs, if any. */ | |
4338 | zvni_vtep_del_all(zvni, 0); | |
4339 | ||
4340 | /* Delete the hash entry. */ | |
4341 | if (zvni_del(zvni)) { | |
e914ccbe | 4342 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
4343 | "Failed to del VNI hash %p, VNI %u", zvni, |
4344 | zvni->vni); | |
b7cfce93 MK |
4345 | return -1; |
4346 | } | |
4347 | } else { | |
4348 | /* TODO_MITESH: This needs to be thought through. We don't have | |
4349 | * enough information at this point to reprogram the vni as | |
4350 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 4351 | * used it solely for this purpose |
4352 | */ | |
b7cfce93 MK |
4353 | } |
4354 | ||
4355 | return 0; | |
4356 | } | |
4357 | ||
5e06422c | 4358 | /* delete and uninstall rmac hash entry */ |
996c9314 | 4359 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4360 | { |
4361 | zebra_mac_t *zrmac = NULL; | |
4362 | zebra_l3vni_t *zl3vni = NULL; | |
4363 | ||
4364 | zrmac = (zebra_mac_t *)backet->data; | |
4365 | zl3vni = (zebra_l3vni_t *)ctx; | |
4366 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4367 | zl3vni_rmac_del(zl3vni, zrmac); | |
4368 | } | |
4369 | ||
4370 | /* delete and uninstall nh hash entry */ | |
996c9314 | 4371 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4372 | { |
4373 | zebra_neigh_t *n = NULL; | |
4374 | zebra_l3vni_t *zl3vni = NULL; | |
4375 | ||
4376 | n = (zebra_neigh_t *)backet->data; | |
4377 | zl3vni = (zebra_l3vni_t *)ctx; | |
4378 | zl3vni_nh_uninstall(zl3vni, n); | |
4379 | zl3vni_nh_del(zl3vni, n); | |
4380 | } | |
4381 | ||
996c9314 LB |
4382 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
4383 | uint16_t cmd) | |
31310b25 MK |
4384 | { |
4385 | struct zserv *client = NULL; | |
4386 | struct stream *s = NULL; | |
4387 | char buf[PREFIX_STRLEN]; | |
4388 | ||
21ccc0cf | 4389 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
4390 | /* BGP may not be running. */ |
4391 | if (!client) | |
4392 | return 0; | |
4393 | ||
1002497a | 4394 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 4395 | |
22bd3e94 | 4396 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
4397 | stream_put(s, p, sizeof(struct prefix)); |
4398 | ||
4399 | /* Write packet size. */ | |
4400 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4401 | ||
4402 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4403 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
4404 | prefix2str(p, buf, sizeof(buf)), |
4405 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
4406 | vrf_id_to_name(vrf_id)); | |
4407 | ||
4408 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4409 | client->prefixadd_cnt++; | |
4410 | else | |
4411 | client->prefixdel_cnt++; | |
4412 | ||
21ccc0cf | 4413 | return zserv_send_message(client, s); |
31310b25 MK |
4414 | } |
4415 | ||
a9a76262 MK |
4416 | /* re-add remote rmac if needed */ |
4417 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4418 | struct ethaddr *rmac) |
a9a76262 MK |
4419 | { |
4420 | char buf[ETHER_ADDR_STRLEN]; | |
4421 | zebra_mac_t *zrmac = NULL; | |
4422 | ||
4423 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4424 | if (!zrmac) | |
4425 | return 0; | |
4426 | ||
4427 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4428 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4429 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4430 | |
4431 | zl3vni_rmac_install(zl3vni, zrmac); | |
4432 | return 0; | |
4433 | } | |
4434 | ||
f07e1c99 | 4435 | /* Process a remote MACIP add from BGP. */ |
4436 | static void process_remote_macip_add(vni_t vni, | |
4437 | struct ethaddr *macaddr, | |
9df2b997 | 4438 | uint16_t ipa_len, |
f07e1c99 | 4439 | struct ipaddr *ipaddr, |
9df2b997 | 4440 | uint8_t flags, |
f07e1c99 | 4441 | uint32_t seq, |
4442 | struct in_addr vtep_ip) | |
c48d9f5f | 4443 | { |
f07e1c99 | 4444 | zebra_vni_t *zvni; |
4445 | zebra_vtep_t *zvtep; | |
e22a946a | 4446 | zebra_mac_t *mac = NULL, *old_mac = NULL; |
f07e1c99 | 4447 | zebra_neigh_t *n = NULL; |
4448 | int update_mac = 0, update_neigh = 0; | |
4449 | char buf[ETHER_ADDR_STRLEN]; | |
4450 | char buf1[INET6_ADDRSTRLEN]; | |
4451 | struct interface *ifp = NULL; | |
4452 | struct zebra_if *zif = NULL; | |
e22a946a | 4453 | struct zebra_vrf *zvrf; |
f07e1c99 | 4454 | uint32_t tmp_seq; |
a37f4598 | 4455 | bool sticky; |
4456 | bool remote_gw; | |
4457 | bool is_router; | |
e22a946a CS |
4458 | bool do_dad = false; |
4459 | bool is_dup_detect = false; | |
4460 | struct listnode *node = NULL; | |
4461 | struct timeval elapsed = {0, 0}; | |
c48d9f5f | 4462 | |
f07e1c99 | 4463 | /* Locate VNI hash entry - expected to exist. */ |
4464 | zvni = zvni_lookup(vni); | |
4465 | if (!zvni) { | |
4466 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4467 | return; | |
4468 | } | |
2dbad57f | 4469 | |
f07e1c99 | 4470 | ifp = zvni->vxlan_if; |
4471 | if (ifp) | |
4472 | zif = ifp->info; | |
4473 | if (!ifp || | |
4474 | !if_is_operative(ifp) || | |
4475 | !zif || | |
4476 | !zif->brslave_info.br_if) { | |
4477 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4478 | vni); | |
2dbad57f | 4479 | return; |
f07e1c99 | 4480 | } |
2dbad57f | 4481 | |
f07e1c99 | 4482 | /* The remote VTEP specified should normally exist, but it is |
4483 | * possible that when peering comes up, peer may advertise MACIP | |
4484 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4485 | */ |
f07e1c99 | 4486 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4487 | if (!zvtep) { | |
4488 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4489 | flog_err( | |
e914ccbe | 4490 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 4491 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
4492 | vni, zvni); | |
4493 | return; | |
4494 | } | |
2dbad57f | 4495 | |
f07e1c99 | 4496 | zvni_vtep_install(zvni, &vtep_ip); |
4497 | } | |
f50dc5e6 | 4498 | |
a37f4598 | 4499 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4500 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
4501 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 4502 | |
f07e1c99 | 4503 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4504 | |
f07e1c99 | 4505 | /* Ignore if the mac is already present as a gateway mac */ |
4506 | if (mac && | |
4507 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4508 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4509 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4510 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4511 | vni, | |
4512 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4513 | ipa_len ? " IP " : "", | |
4514 | ipa_len ? | |
4515 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4516 | return; |
f07e1c99 | 4517 | } |
2dbad57f | 4518 | |
e22a946a CS |
4519 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
4520 | if (!zvrf) | |
4521 | return; | |
4522 | ||
f07e1c99 | 4523 | /* check if the remote MAC is unknown or has a change. |
4524 | * If so, that needs to be updated first. Note that client could | |
4525 | * install MAC and MACIP separately or just install the latter. | |
4526 | */ | |
4527 | if (!mac | |
4528 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 4529 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
4530 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 4531 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
4532 | || seq != mac->rem_seq) | |
4533 | update_mac = 1; | |
4534 | ||
4535 | if (update_mac) { | |
4536 | if (!mac) { | |
4537 | mac = zvni_mac_add(zvni, macaddr); | |
4538 | if (!mac) { | |
4539 | zlog_warn( | |
4540 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4541 | prefix_mac2str(macaddr, buf, | |
4542 | sizeof(buf)), | |
4543 | vni, inet_ntoa(vtep_ip)); | |
4544 | return; | |
4545 | } | |
4546 | ||
4547 | /* Is this MAC created for a MACIP? */ | |
4548 | if (ipa_len) | |
4549 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4550 | } else { | |
4551 | const char *mac_type; | |
4552 | ||
4553 | /* When host moves but changes its (MAC,IP) | |
4554 | * binding, BGP may install a MACIP entry that | |
4555 | * corresponds to "older" location of the host | |
4556 | * in transient situations (because {IP1,M1} | |
4557 | * is a different route from {IP1,M2}). Check | |
4558 | * the sequence number and ignore this update | |
4559 | * if appropriate. | |
4560 | */ | |
4561 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4562 | tmp_seq = mac->loc_seq; | |
4563 | mac_type = "local"; | |
4564 | } else { | |
4565 | tmp_seq = mac->rem_seq; | |
4566 | mac_type = "remote"; | |
4567 | } | |
4568 | if (seq < tmp_seq) { | |
4569 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4570 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4571 | vni, | |
4572 | prefix_mac2str(macaddr, | |
4573 | buf, sizeof(buf)), | |
4574 | ipa_len ? " IP " : "", | |
4575 | ipa_len ? | |
4576 | ipaddr2str(ipaddr, | |
4577 | buf1, sizeof(buf1)) : "", | |
4578 | mac_type, | |
4579 | tmp_seq); | |
4580 | return; | |
4581 | } | |
4582 | } | |
4583 | ||
e22a946a CS |
4584 | /* Check MAC's curent state is local (this is the case |
4585 | * where MAC has moved from L->R) and check previous | |
4586 | * detection started via local learning. | |
4587 | * RFC-7432: A PE/VTEP that detects a MAC mobility | |
4588 | * event via local learning starts an M-second timer. | |
4589 | * | |
4590 | * VTEP-IP or seq. change along is not considered | |
4591 | * for dup. detection. | |
4592 | */ | |
4593 | if ((!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) && | |
4594 | mac->dad_count) | |
4595 | do_dad = true; | |
4596 | ||
e98e4b88 AK |
4597 | /* Remove local MAC from BGP. */ |
4598 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
4599 | zvni_mac_send_del_to_client(zvni->vni, macaddr); | |
4600 | ||
f07e1c99 | 4601 | /* Set "auto" and "remote" forwarding info. */ |
4602 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4603 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4604 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4605 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4606 | ||
4607 | if (sticky) | |
4608 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4609 | else | |
4610 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4611 | ||
4612 | if (remote_gw) | |
4613 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4614 | else | |
4615 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4616 | ||
e22a946a CS |
4617 | if (zvrf->dup_addr_detect && do_dad) { |
4618 | /* MAC is detected as duplicate, hold on to | |
4619 | * install as remote entry. | |
4620 | */ | |
4621 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) { | |
4622 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4623 | zlog_debug( | |
4624 | "%s: duplicate addr MAC %s skip installing, learn count %u recover time %u", | |
4625 | __PRETTY_FUNCTION__, | |
4626 | prefix_mac2str(macaddr, | |
4627 | buf, sizeof(buf)), | |
4628 | mac->dad_count, | |
4629 | zvrf->dad_freeze_time); | |
4630 | /* Do not install MAC but process neigh | |
4631 | * due to the remote MAC add. | |
4632 | */ | |
4633 | goto process_neigh; | |
4634 | } | |
4635 | ||
4636 | /* Check if detection time (M-secs) expired. | |
4637 | * Reset learn count and detection start time. | |
4638 | */ | |
4639 | monotime_since(&mac->detect_start_time, &elapsed); | |
4640 | if (elapsed.tv_sec > zvrf->dad_time) { | |
4641 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4642 | zlog_debug("%s: duplicate addr MAC %s flags 0%x detection time passed, reset learn count %u", | |
4643 | __PRETTY_FUNCTION__, | |
4644 | prefix_mac2str(macaddr, buf, | |
4645 | sizeof(buf)), | |
4646 | mac->flags, mac->dad_count); | |
4647 | /* Reset learn count but do not start detection | |
4648 | * during remote learn. | |
4649 | * Next local learn event start time wil be | |
4650 | * resetted. | |
4651 | */ | |
4652 | mac->dad_count = 0; | |
4653 | } else { | |
4654 | /* Increment detection count while in probe | |
4655 | * window | |
4656 | */ | |
4657 | mac->dad_count++; | |
4658 | } | |
4659 | ||
4660 | if (mac->dad_count >= zvrf->dad_max_moves) { | |
4661 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
4662 | "VNI %u: MAC %s detected as duplicate during remote update, from VTEP %s", | |
4663 | zvni->vni, | |
4664 | prefix_mac2str(&mac->macaddr, | |
4665 | buf, sizeof(buf)), | |
4666 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
4667 | ||
4668 | SET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
4669 | ||
4670 | /* Capture Duplicate detection time */ | |
4671 | mac->dad_dup_detect_time = monotime(NULL); | |
4672 | ||
4673 | /* Mark all IPs/Neighs as duplicate associcated | |
4674 | * with this MAC | |
4675 | */ | |
4676 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, | |
4677 | node, n)) { | |
4678 | /* Ony Mark IPs which are Remote */ | |
4679 | if (!CHECK_FLAG(n->flags, | |
4680 | ZEBRA_NEIGH_REMOTE)) | |
4681 | continue; | |
4682 | ||
4683 | SET_FLAG(n->flags, | |
4684 | ZEBRA_NEIGH_DUPLICATE); | |
4685 | ||
4686 | /* Capture Duplicate detection time */ | |
4687 | n->dad_dup_detect_time = monotime(NULL); | |
4688 | ||
4689 | flog_warn( | |
4690 | EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
4691 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC", | |
4692 | zvni->vni, | |
4693 | prefix_mac2str(&mac->macaddr, | |
4694 | buf, sizeof(buf)), | |
4695 | ipaddr2str(&n->ip, buf1, | |
4696 | sizeof(buf1))); | |
4697 | } | |
4698 | ||
c80a972c CS |
4699 | /* Start auto recovery timer for this |
4700 | * MAC | |
4701 | */ | |
4702 | THREAD_OFF(mac->dad_mac_auto_recovery_timer); | |
4703 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
4704 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4705 | zlog_debug("%s: duplicate addr MAC %s flags 0%x auto recovery time %u start", | |
4706 | __PRETTY_FUNCTION__, | |
4707 | prefix_mac2str(&mac->macaddr, | |
4708 | buf, sizeof(buf)), | |
4709 | mac->flags, | |
4710 | zvrf->dad_freeze_time); | |
4711 | ||
4712 | thread_add_timer(zebrad.master, | |
4713 | zebra_vxlan_dad_mac_auto_recovery_exp, | |
4714 | mac, | |
4715 | zvrf->dad_freeze_time, | |
4716 | &mac->dad_mac_auto_recovery_timer); | |
4717 | } | |
4718 | ||
e22a946a CS |
4719 | if (zvrf->dad_freeze) |
4720 | is_dup_detect = true; | |
4721 | } | |
4722 | ||
4723 | } | |
4724 | process_neigh: | |
f07e1c99 | 4725 | zvni_process_neigh_on_remote_mac_add(zvni, mac); |
4726 | ||
4727 | /* Install the entry. */ | |
e22a946a CS |
4728 | if (!is_dup_detect) |
4729 | zvni_mac_install(zvni, mac); | |
f07e1c99 | 4730 | } |
4731 | ||
4732 | /* Update seq number. */ | |
4733 | mac->rem_seq = seq; | |
4734 | ||
4735 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4736 | if (!ipa_len) { | |
4737 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4738 | return; | |
4739 | } | |
4740 | ||
e22a946a CS |
4741 | /* Reset flag */ |
4742 | do_dad = false; | |
4743 | ||
f07e1c99 | 4744 | /* Check if the remote neighbor itself is unknown or has a |
4745 | * change. If so, create or update and then install the entry. | |
4746 | */ | |
4747 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4748 | if (!n | |
4749 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 4750 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 4751 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
4752 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
4753 | || seq != n->rem_seq) | |
4754 | update_neigh = 1; | |
4755 | ||
4756 | if (update_neigh) { | |
4757 | if (!n) { | |
4758 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4759 | if (!n) { | |
4760 | zlog_warn( | |
4761 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4762 | ipaddr2str(ipaddr, buf1, | |
4763 | sizeof(buf1)), | |
4764 | prefix_mac2str(macaddr, buf, | |
4765 | sizeof(buf)), | |
4766 | vni, inet_ntoa(vtep_ip)); | |
4767 | return; | |
4768 | } | |
4769 | ||
4770 | } else { | |
4771 | const char *n_type; | |
4772 | ||
4773 | /* When host moves but changes its (MAC,IP) | |
4774 | * binding, BGP may install a MACIP entry that | |
4775 | * corresponds to "older" location of the host | |
4776 | * in transient situations (because {IP1,M1} | |
4777 | * is a different route from {IP1,M2}). Check | |
4778 | * the sequence number and ignore this update | |
4779 | * if appropriate. | |
4780 | */ | |
4781 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4782 | tmp_seq = n->loc_seq; | |
4783 | n_type = "local"; | |
4784 | } else { | |
4785 | tmp_seq = n->rem_seq; | |
4786 | n_type = "remote"; | |
4787 | } | |
4788 | if (seq < tmp_seq) { | |
4789 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4790 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4791 | vni, | |
4792 | prefix_mac2str(macaddr, | |
4793 | buf, sizeof(buf)), | |
4848ef74 A |
4794 | " IP ", |
4795 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 4796 | n_type, |
4797 | tmp_seq); | |
4798 | return; | |
4799 | } | |
4800 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4801 | /* MAC change, send a delete for old | |
4802 | * neigh if learnt locally. | |
4803 | */ | |
4804 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4805 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4806 | zvni_neigh_send_del_to_client( | |
4807 | zvni->vni, &n->ip, | |
4808 | &n->emac, 0); | |
4809 | ||
4810 | /* update neigh list for macs */ | |
4811 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4812 | if (old_mac) { | |
4813 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 4814 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 4815 | } |
4816 | listnode_add_sort(mac->neigh_list, n); | |
4817 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
e22a946a CS |
4818 | |
4819 | /* Check Neigh's curent state is local | |
4820 | * (this is the case where neigh/host has moved | |
4821 | * from L->R) and check previous detction | |
4822 | * started via local learning. | |
4823 | * | |
4824 | * RFC-7432: A PE/VTEP that detects a MAC | |
4825 | * mobilit event via local learning starts | |
4826 | * an M-second timer. | |
4827 | * VTEP-IP or seq. change along is not | |
4828 | * considered for dup. detection. | |
4829 | * | |
4830 | * Mobilty event scenario-B IP-MAC binding | |
4831 | * changed. | |
4832 | */ | |
4833 | if ((!CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
4834 | && n->dad_count) | |
4835 | do_dad = true; | |
4836 | ||
f07e1c99 | 4837 | } |
4838 | } | |
4839 | ||
4840 | /* Set "remote" forwarding info. */ | |
4841 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4842 | n->r_vtep_ip = vtep_ip; | |
4843 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4844 | ||
4845 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4846 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4847 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4848 | else |
4849 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4850 | |
e22a946a CS |
4851 | /* Check old or new MAC detected as duplicate, |
4852 | * inherit duplicate flag to this neigh. | |
4853 | */ | |
4854 | if (zebra_vxlan_ip_inherit_dad_from_mac(zvrf, old_mac, | |
4855 | mac, n)) { | |
4856 | flog_warn(EC_ZEBRA_DUP_IP_INHERIT_DETECTED, | |
4857 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, inherit duplicate from MAC", | |
4858 | zvni->vni, | |
4859 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
4860 | ipaddr2str(&n->ip, buf1, sizeof(buf1))); | |
4861 | } | |
4862 | ||
4863 | if (zvrf->dup_addr_detect) { | |
4864 | /* IP is detected as duplicate or inherit dup | |
4865 | * state, hold on to install as remote entry | |
4866 | * only if freeze is enabled. | |
4867 | */ | |
4868 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) { | |
4869 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4870 | zlog_debug( | |
4871 | "%s: duplicate addr MAC %s IP %s skip installing, learn count %u recover time %u", | |
4872 | __PRETTY_FUNCTION__, | |
4873 | prefix_mac2str(macaddr, | |
4874 | buf, sizeof(buf)), | |
4875 | ipaddr2str(ipaddr, buf1, | |
4876 | sizeof(buf1)), | |
4877 | n->dad_count, | |
4878 | zvrf->dad_freeze_time); | |
4879 | ||
4880 | if (zvrf->dad_freeze) | |
4881 | is_dup_detect = true; | |
4882 | /* warn-only action, neigh will be installed. | |
4883 | * freeze action, it wil not be installed. | |
4884 | */ | |
4885 | goto install_neigh; | |
4886 | } | |
4887 | ||
4888 | if (!do_dad) | |
4889 | goto install_neigh; | |
4890 | ||
4891 | /* Check if detection time (M-secs) expired. | |
4892 | * Reset learn count and detection start time. | |
4893 | * During remote mac add, count should already be 1 | |
4894 | * via local learning. | |
4895 | */ | |
4896 | monotime_since(&n->detect_start_time, &elapsed); | |
4897 | if (elapsed.tv_sec > zvrf->dad_time) { | |
4898 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4899 | zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x detection time passed, reset learn count %u", | |
4900 | __PRETTY_FUNCTION__, | |
4901 | prefix_mac2str(macaddr, buf, | |
4902 | sizeof(buf)), | |
4903 | ipaddr2str(ipaddr, buf1, | |
4904 | sizeof(buf1)), | |
4905 | n->flags, | |
4906 | n->dad_count); | |
4907 | /* Reset learn count but do not start detection | |
4908 | * during remote learn event. | |
4909 | */ | |
4910 | n->dad_count = 0; | |
4911 | } else { | |
4912 | /* Increment detection count while in probe | |
4913 | * window | |
4914 | */ | |
4915 | n->dad_count++; | |
4916 | } | |
4917 | ||
4918 | if (n->dad_count >= zvrf->dad_max_moves) { | |
4919 | flog_warn(EC_ZEBRA_DUP_IP_DETECTED, | |
4920 | "VNI %u: MAC %s IP %s detected as duplicate during remote update, from VTEP %s", | |
4921 | zvni->vni, | |
4922 | prefix_mac2str(&mac->macaddr, | |
4923 | buf, sizeof(buf)), | |
4924 | ipaddr2str(ipaddr, buf1, | |
4925 | sizeof(buf1)), | |
4926 | inet_ntoa(n->r_vtep_ip)); | |
4927 | ||
4928 | SET_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE); | |
4929 | ||
4930 | /* Capture Duplicate detection time */ | |
4931 | n->dad_dup_detect_time = monotime(NULL); | |
4932 | ||
c80a972c CS |
4933 | /* Start auto recovery timer for this IP */ |
4934 | THREAD_OFF(n->dad_ip_auto_recovery_timer); | |
4935 | if (zvrf->dad_freeze && zvrf->dad_freeze_time) { | |
4936 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4937 | zlog_debug( | |
4938 | "%s: duplicate addr MAC %s IP %s flags 0x%x auto recovery time %u start", | |
4939 | __PRETTY_FUNCTION__, | |
4940 | prefix_mac2str(&mac->macaddr, | |
4941 | buf, | |
4942 | sizeof(buf)), | |
4943 | ipaddr2str(ipaddr, buf1, | |
4944 | sizeof(buf1)), | |
4945 | mac->flags, | |
4946 | zvrf->dad_freeze_time); | |
4947 | ||
4948 | thread_add_timer(zebrad.master, | |
4949 | zebra_vxlan_dad_ip_auto_recovery_exp, | |
4950 | n, | |
4951 | zvrf->dad_freeze_time, | |
4952 | &n->dad_ip_auto_recovery_timer); | |
4953 | } | |
e22a946a CS |
4954 | if (zvrf->dad_freeze) |
4955 | is_dup_detect = true; | |
4956 | } | |
4957 | } | |
4958 | install_neigh: | |
f07e1c99 | 4959 | /* Install the entry. */ |
e22a946a CS |
4960 | if (!is_dup_detect) |
4961 | zvni_neigh_install(zvni, n); | |
f07e1c99 | 4962 | } |
4963 | ||
4964 | /* Update seq number. */ | |
4965 | n->rem_seq = seq; | |
4966 | } | |
4967 | ||
4968 | /* Process a remote MACIP delete from BGP. */ | |
4969 | static void process_remote_macip_del(vni_t vni, | |
4970 | struct ethaddr *macaddr, | |
9df2b997 | 4971 | uint16_t ipa_len, |
f07e1c99 | 4972 | struct ipaddr *ipaddr, |
4973 | struct in_addr vtep_ip) | |
4974 | { | |
4975 | zebra_vni_t *zvni; | |
4976 | zebra_mac_t *mac = NULL; | |
4977 | zebra_neigh_t *n = NULL; | |
4978 | struct interface *ifp = NULL; | |
4979 | struct zebra_if *zif = NULL; | |
4980 | char buf[ETHER_ADDR_STRLEN]; | |
4981 | char buf1[INET6_ADDRSTRLEN]; | |
4982 | ||
4983 | /* Locate VNI hash entry - expected to exist. */ | |
4984 | zvni = zvni_lookup(vni); | |
4985 | if (!zvni) { | |
4986 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4987 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4988 | return; | |
4989 | } | |
4990 | ||
4991 | ifp = zvni->vxlan_if; | |
4992 | if (ifp) | |
4993 | zif = ifp->info; | |
4994 | if (!ifp || | |
4995 | !if_is_operative(ifp) || | |
4996 | !zif || | |
4997 | !zif->brslave_info.br_if) { | |
4998 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4999 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
5000 | vni); | |
5001 | return; | |
5002 | } | |
5003 | ||
5004 | /* The remote VTEP specified is normally expected to exist, but | |
5005 | * it is possible that the peer may delete the VTEP before deleting | |
5006 | * any MACs referring to the VTEP, in which case the handler (see | |
5007 | * remote_vtep_del) would have already deleted the MACs. | |
5008 | */ | |
5009 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
5010 | return; | |
5011 | ||
5012 | mac = zvni_mac_lookup(zvni, macaddr); | |
5013 | if (ipa_len) | |
5014 | n = zvni_neigh_lookup(zvni, ipaddr); | |
5015 | ||
5016 | if (n && !mac) { | |
5017 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
5018 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5019 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
5020 | return; | |
5021 | } | |
5022 | ||
5023 | /* If the remote mac or neighbor doesn't exist there is nothing | |
5024 | * more to do. Otherwise, uninstall the entry and then remove it. | |
5025 | */ | |
5026 | if (!mac && !n) | |
5027 | return; | |
5028 | ||
5029 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
5030 | if (mac | |
5031 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
5032 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
5033 | zlog_warn( | |
5034 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
5035 | vni, | |
5036 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5037 | ipa_len ? " IP " : "", | |
5038 | ipa_len ? | |
5039 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
5040 | return; | |
5041 | } | |
5042 | ||
5043 | /* Uninstall remote neighbor or MAC. */ | |
5044 | if (n) { | |
5045 | /* When the MAC changes for an IP, it is possible the | |
5046 | * client may update the new MAC before trying to delete the | |
5047 | * "old" neighbor (as these are two different MACIP routes). | |
5048 | * Do the delete only if the MAC matches. | |
5049 | */ | |
5050 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
5051 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
5052 | zvni_neigh_uninstall(zvni, n); | |
5053 | zvni_neigh_del(zvni, n); | |
fe697c6b | 5054 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 5055 | } |
5056 | } else { | |
5057 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
5058 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
f3a930da AK |
5059 | /* |
5060 | * the remote sequence number in the auto mac entry | |
5061 | * needs to be reset to 0 as the mac entry may have | |
5062 | * been removed on all VTEPs (including | |
5063 | * the originating one) | |
5064 | */ | |
5065 | mac->rem_seq = 0; | |
f07e1c99 | 5066 | |
fe697c6b | 5067 | /* If all remote neighbors referencing a remote MAC |
5068 | * go away, we need to uninstall the MAC. | |
5069 | */ | |
5070 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 5071 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 5072 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
5073 | } | |
5074 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 5075 | zvni_mac_del(zvni, mac); |
fe697c6b | 5076 | else |
f07e1c99 | 5077 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
5078 | } | |
5079 | } | |
5080 | } | |
5081 | ||
5082 | ||
b7cfce93 MK |
5083 | /* Public functions */ |
5084 | ||
c48d9f5f MK |
5085 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
5086 | { | |
5087 | zebra_l3vni_t *zl3vni = NULL; | |
5088 | ||
5089 | zl3vni = zl3vni_lookup(vni); | |
5090 | if (!zl3vni) | |
5091 | return 0; | |
5092 | ||
5093 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
5094 | } | |
5095 | ||
2dbad57f | 5096 | /* handle evpn route in vrf table */ |
996c9314 LB |
5097 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
5098 | struct ipaddr *vtep_ip, | |
5099 | struct prefix *host_prefix) | |
2dbad57f | 5100 | { |
5101 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 5102 | struct ipaddr ipv4_vtep; |
2dbad57f | 5103 | |
5104 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5105 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
5106 | return; | |
5107 | ||
3518f352 | 5108 | /* |
f50dc5e6 MK |
5109 | * add the next hop neighbor - |
5110 | * neigh to be installed is the ipv6 nexthop neigh | |
5111 | */ | |
3518f352 | 5112 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 5113 | |
f50dc5e6 MK |
5114 | /* |
5115 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
5116 | * address. Rmac is programmed against the ipv4 vtep because we only | |
5117 | * support ipv4 tunnels in the h/w right now | |
5118 | */ | |
5119 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
5120 | ipv4_vtep.ipa_type = IPADDR_V4; | |
5121 | if (vtep_ip->ipa_type == IPADDR_V6) | |
5122 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
5123 | &(ipv4_vtep.ipaddr_v4)); | |
5124 | else | |
5125 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
5126 | sizeof(struct in_addr)); | |
5127 | ||
3518f352 DS |
5128 | /* |
5129 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
5130 | * nexthop address |
5131 | */ | |
3518f352 | 5132 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 5133 | } |
5134 | ||
5135 | /* handle evpn vrf route delete */ | |
22e63104 | 5136 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
5137 | struct ipaddr *vtep_ip, |
5138 | struct prefix *host_prefix) | |
2dbad57f | 5139 | { |
5140 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 5141 | zebra_neigh_t *nh = NULL; |
5142 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 5143 | |
5144 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 5145 | if (!zl3vni) |
2dbad57f | 5146 | return; |
5147 | ||
22e63104 | 5148 | /* find the next hop entry and rmac entry */ |
5149 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
5150 | if (!nh) | |
5151 | return; | |
5152 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
5153 | ||
2dbad57f | 5154 | /* delete the next hop entry */ |
22e63104 | 5155 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 5156 | |
5157 | /* delete the rmac entry */ | |
22e63104 | 5158 | if (zrmac) |
5159 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
5160 | ||
2dbad57f | 5161 | } |
5162 | ||
996c9314 | 5163 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5164 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
5165 | { |
5166 | zebra_l3vni_t *zl3vni = NULL; | |
5167 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 5168 | json_object *json = NULL; |
9aa741ea | 5169 | |
316f4ca4 MK |
5170 | if (!is_evpn_enabled()) { |
5171 | if (use_json) | |
5172 | vty_out(vty, "{}\n"); | |
9aa741ea | 5173 | return; |
316f4ca4 MK |
5174 | } |
5175 | ||
5176 | if (use_json) | |
5177 | json = json_object_new_object(); | |
9aa741ea MK |
5178 | |
5179 | zl3vni = zl3vni_lookup(l3vni); | |
5180 | if (!zl3vni) { | |
316f4ca4 MK |
5181 | if (use_json) |
5182 | vty_out(vty, "{}\n"); | |
5183 | else | |
0437e105 | 5184 | vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni); |
9aa741ea MK |
5185 | return; |
5186 | } | |
5187 | ||
5188 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
5189 | if (!zrmac) { | |
316f4ca4 MK |
5190 | if (use_json) |
5191 | vty_out(vty, "{}\n"); | |
5192 | else | |
5193 | vty_out(vty, | |
0437e105 | 5194 | "%% Requested RMAC doesn't exist in L3-VNI %u", |
316f4ca4 | 5195 | l3vni); |
9aa741ea MK |
5196 | return; |
5197 | } | |
5198 | ||
316f4ca4 MK |
5199 | zl3vni_print_rmac(zrmac, vty, json); |
5200 | ||
5201 | if (use_json) { | |
5202 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5203 | json, JSON_C_TO_STRING_PRETTY)); | |
5204 | json_object_free(json); | |
5205 | } | |
9aa741ea | 5206 | } |
2dbad57f | 5207 | |
9f049418 | 5208 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
5209 | { |
5210 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 5211 | uint32_t num_rmacs; |
b7cfce93 MK |
5212 | struct rmac_walk_ctx wctx; |
5213 | json_object *json = NULL; | |
b7cfce93 MK |
5214 | |
5215 | if (!is_evpn_enabled()) | |
5216 | return; | |
5217 | ||
5218 | zl3vni = zl3vni_lookup(l3vni); | |
5219 | if (!zl3vni) { | |
5220 | if (use_json) | |
5221 | vty_out(vty, "{}\n"); | |
5222 | else | |
5223 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5224 | return; | |
5225 | } | |
5226 | num_rmacs = hashcount(zl3vni->rmac_table); | |
5227 | if (!num_rmacs) | |
5228 | return; | |
5229 | ||
75223c9e | 5230 | if (use_json) |
b7cfce93 | 5231 | json = json_object_new_object(); |
b7cfce93 MK |
5232 | |
5233 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
5234 | wctx.vty = vty; | |
75223c9e | 5235 | wctx.json = json; |
b7cfce93 | 5236 | if (!use_json) { |
996c9314 | 5237 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 5238 | num_rmacs); |
4cce389e | 5239 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
5240 | } else |
5241 | json_object_int_add(json, "numRmacs", num_rmacs); | |
5242 | ||
5243 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
5244 | ||
5245 | if (use_json) { | |
b7cfce93 MK |
5246 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5247 | json, JSON_C_TO_STRING_PRETTY)); | |
5248 | json_object_free(json); | |
5249 | } | |
5250 | } | |
5251 | ||
9f049418 | 5252 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5253 | { |
b7cfce93 | 5254 | json_object *json = NULL; |
c0b4eaa4 | 5255 | void *args[2]; |
b7cfce93 MK |
5256 | |
5257 | if (!is_evpn_enabled()) { | |
5258 | if (use_json) | |
5259 | vty_out(vty, "{}\n"); | |
5260 | return; | |
5261 | } | |
5262 | ||
b7cfce93 MK |
5263 | if (use_json) |
5264 | json = json_object_new_object(); | |
5265 | ||
c0b4eaa4 MK |
5266 | args[0] = vty; |
5267 | args[1] = json; | |
89272910 | 5268 | hash_iterate(zrouter.l3vni_table, |
c0b4eaa4 MK |
5269 | (void (*)(struct hash_backet *, |
5270 | void *))zl3vni_print_rmac_hash_all_vni, | |
5271 | args); | |
b7cfce93 MK |
5272 | |
5273 | if (use_json) { | |
5274 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5275 | json, JSON_C_TO_STRING_PRETTY)); | |
5276 | json_object_free(json); | |
5277 | } | |
5278 | } | |
5279 | ||
996c9314 | 5280 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 5281 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
5282 | { |
5283 | zebra_l3vni_t *zl3vni = NULL; | |
5284 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 5285 | json_object *json = NULL; |
9aa741ea | 5286 | |
c0e519d3 MK |
5287 | if (!is_evpn_enabled()) { |
5288 | if (use_json) | |
5289 | vty_out(vty, "{}\n"); | |
9aa741ea | 5290 | return; |
c0e519d3 MK |
5291 | } |
5292 | ||
5293 | if (use_json) | |
5294 | json = json_object_new_object(); | |
9aa741ea MK |
5295 | |
5296 | zl3vni = zl3vni_lookup(l3vni); | |
5297 | if (!zl3vni) { | |
c0e519d3 MK |
5298 | if (use_json) |
5299 | vty_out(vty, "{}\n"); | |
5300 | else | |
5301 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
5302 | return; |
5303 | } | |
5304 | ||
5305 | n = zl3vni_nh_lookup(zl3vni, ip); | |
5306 | if (!n) { | |
c0e519d3 MK |
5307 | if (use_json) |
5308 | vty_out(vty, "{}\n"); | |
5309 | else | |
5310 | vty_out(vty, | |
5311 | "%% Requested next-hop not present for L3-VNI %u", | |
5312 | l3vni); | |
9aa741ea MK |
5313 | return; |
5314 | } | |
5315 | ||
c0e519d3 MK |
5316 | zl3vni_print_nh(n, vty, json); |
5317 | ||
5318 | if (use_json) { | |
5319 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5320 | json, JSON_C_TO_STRING_PRETTY)); | |
5321 | json_object_free(json); | |
5322 | } | |
9aa741ea MK |
5323 | } |
5324 | ||
9f049418 | 5325 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 5326 | { |
d7c0a89a | 5327 | uint32_t num_nh; |
2dbad57f | 5328 | struct nh_walk_ctx wctx; |
b7cfce93 | 5329 | json_object *json = NULL; |
b7cfce93 MK |
5330 | zebra_l3vni_t *zl3vni = NULL; |
5331 | ||
5332 | if (!is_evpn_enabled()) | |
5333 | return; | |
5334 | ||
5335 | zl3vni = zl3vni_lookup(l3vni); | |
5336 | if (!zl3vni) { | |
5337 | if (use_json) | |
5338 | vty_out(vty, "{}\n"); | |
5339 | else | |
5340 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
5341 | return; | |
5342 | } | |
5343 | ||
5344 | num_nh = hashcount(zl3vni->nh_table); | |
5345 | if (!num_nh) | |
5346 | return; | |
5347 | ||
9187f600 | 5348 | if (use_json) |
b7cfce93 | 5349 | json = json_object_new_object(); |
b7cfce93 | 5350 | |
2dbad57f | 5351 | wctx.vty = vty; |
9187f600 | 5352 | wctx.json = json; |
b7cfce93 | 5353 | if (!use_json) { |
996c9314 | 5354 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 5355 | num_nh); |
4cce389e | 5356 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 5357 | } else |
4cce389e | 5358 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
5359 | |
5360 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
5361 | ||
5362 | if (use_json) { | |
b7cfce93 MK |
5363 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
5364 | json, JSON_C_TO_STRING_PRETTY)); | |
5365 | json_object_free(json); | |
5366 | } | |
5367 | } | |
5368 | ||
9f049418 | 5369 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 5370 | { |
2dbad57f | 5371 | json_object *json = NULL; |
32798965 | 5372 | void *args[2]; |
2dbad57f | 5373 | |
5374 | if (!is_evpn_enabled()) { | |
5375 | if (use_json) | |
5376 | vty_out(vty, "{}\n"); | |
5377 | return; | |
5378 | } | |
5379 | ||
2dbad57f | 5380 | if (use_json) |
5381 | json = json_object_new_object(); | |
5382 | ||
32798965 MK |
5383 | args[0] = vty; |
5384 | args[1] = json; | |
89272910 | 5385 | hash_iterate(zrouter.l3vni_table, |
32798965 MK |
5386 | (void (*)(struct hash_backet *, |
5387 | void *))zl3vni_print_nh_hash_all_vni, | |
5388 | args); | |
2dbad57f | 5389 | |
5390 | if (use_json) { | |
5391 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5392 | json, JSON_C_TO_STRING_PRETTY)); | |
5393 | json_object_free(json); | |
5394 | } | |
b7cfce93 MK |
5395 | } |
5396 | ||
5397 | /* | |
5398 | * Display L3 VNI information (VTY command handler). | |
5399 | */ | |
9f049418 | 5400 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
5401 | { |
5402 | void *args[2]; | |
5403 | json_object *json = NULL; | |
5404 | zebra_l3vni_t *zl3vni = NULL; | |
5405 | ||
b2ee5a13 MK |
5406 | if (!is_evpn_enabled()) { |
5407 | if (use_json) | |
5408 | vty_out(vty, "{}\n"); | |
b7cfce93 | 5409 | return; |
b2ee5a13 | 5410 | } |
b7cfce93 MK |
5411 | |
5412 | zl3vni = zl3vni_lookup(vni); | |
5413 | if (!zl3vni) { | |
5414 | if (use_json) | |
5415 | vty_out(vty, "{}\n"); | |
5416 | else | |
5417 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5418 | return; | |
5419 | } | |
5420 | ||
5421 | if (use_json) | |
5422 | json = json_object_new_object(); | |
5423 | ||
b2ee5a13 MK |
5424 | args[0] = vty; |
5425 | args[1] = json; | |
b7cfce93 MK |
5426 | zl3vni_print(zl3vni, (void *)args); |
5427 | ||
5428 | if (use_json) { | |
5429 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5430 | json, JSON_C_TO_STRING_PRETTY)); | |
5431 | json_object_free(json); | |
5432 | } | |
5433 | } | |
5434 | ||
4cce389e MK |
5435 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5436 | json_object *json_vrfs) | |
b7cfce93 | 5437 | { |
4cce389e MK |
5438 | char buf[ETHER_ADDR_STRLEN]; |
5439 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 5440 | |
4cce389e MK |
5441 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
5442 | if (!zl3vni) | |
b7cfce93 | 5443 | return; |
b7cfce93 | 5444 | |
4cce389e MK |
5445 | if (!json_vrfs) { |
5446 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 5447 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 5448 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 5449 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 5450 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 5451 | } else { |
4cce389e | 5452 | json_object *json_vrf = NULL; |
9df2b997 | 5453 | |
4cce389e | 5454 | json_vrf = json_object_new_object(); |
996c9314 | 5455 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
5456 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
5457 | json_object_string_add(json_vrf, "vxlanIntf", | |
5458 | zl3vni_vxlan_if_name(zl3vni)); | |
5459 | json_object_string_add(json_vrf, "sviIntf", | |
5460 | zl3vni_svi_if_name(zl3vni)); | |
5461 | json_object_string_add(json_vrf, "state", | |
5462 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
5463 | json_object_string_add( |
5464 | json_vrf, "routerMac", | |
5465 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 5466 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
5467 | } |
5468 | } | |
5469 | ||
5470 | /* | |
5471 | * Display Neighbors for a VNI (VTY command handler). | |
5472 | */ | |
5473 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5474 | vni_t vni, bool use_json) |
b7cfce93 MK |
5475 | { |
5476 | zebra_vni_t *zvni; | |
d7c0a89a | 5477 | uint32_t num_neigh; |
b7cfce93 MK |
5478 | struct neigh_walk_ctx wctx; |
5479 | json_object *json = NULL; | |
5480 | ||
5481 | if (!is_evpn_enabled()) | |
5482 | return; | |
5483 | zvni = zvni_lookup(vni); | |
5484 | if (!zvni) { | |
5485 | if (use_json) | |
5486 | vty_out(vty, "{}\n"); | |
5487 | else | |
5488 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5489 | return; | |
5490 | } | |
5491 | num_neigh = hashcount(zvni->neigh_table); | |
5492 | if (!num_neigh) | |
5493 | return; | |
5494 | ||
5495 | if (use_json) | |
5496 | json = json_object_new_object(); | |
5497 | ||
5498 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
5499 | * size, we try to be a bit more elegant in display by first computing | |
5500 | * the maximum width. | |
5501 | */ | |
5502 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
5503 | wctx.zvni = zvni; | |
5504 | wctx.vty = vty; | |
5505 | wctx.addr_width = 15; | |
5506 | wctx.json = json; | |
5507 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
5508 | ||
5509 | if (!use_json) { | |
5510 | vty_out(vty, | |
5511 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
5512 | num_neigh); | |
1a8c5c38 | 5513 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
5514 | -wctx.addr_width, "IP", "Type", | |
5515 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
5516 | } else |
5517 | json_object_int_add(json, "numArpNd", num_neigh); | |
5518 | ||
5519 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
5520 | if (use_json) { | |
5521 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5522 | json, JSON_C_TO_STRING_PRETTY)); | |
5523 | json_object_free(json); | |
5524 | } | |
5525 | } | |
5526 | ||
5527 | /* | |
5528 | * Display neighbors across all VNIs (VTY command handler). | |
5529 | */ | |
5530 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5531 | bool use_json) |
b7cfce93 MK |
5532 | { |
5533 | json_object *json = NULL; | |
5534 | void *args[2]; | |
5535 | ||
5536 | if (!is_evpn_enabled()) | |
5537 | return; | |
5538 | ||
5539 | if (use_json) | |
5540 | json = json_object_new_object(); | |
5541 | ||
5542 | args[0] = vty; | |
5543 | args[1] = json; | |
5544 | hash_iterate(zvrf->vni_table, | |
5545 | (void (*)(struct hash_backet *, | |
5546 | void *))zvni_print_neigh_hash_all_vni, | |
5547 | args); | |
5548 | if (use_json) { | |
5549 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5550 | json, JSON_C_TO_STRING_PRETTY)); | |
5551 | json_object_free(json); | |
5552 | } | |
5553 | } | |
5554 | ||
5555 | /* | |
5556 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
5557 | */ | |
5558 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
5559 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 5560 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
5561 | { |
5562 | zebra_vni_t *zvni; | |
5563 | zebra_neigh_t *n; | |
5564 | json_object *json = NULL; | |
5565 | ||
5566 | if (!is_evpn_enabled()) | |
5567 | return; | |
5568 | zvni = zvni_lookup(vni); | |
5569 | if (!zvni) { | |
5570 | if (use_json) | |
cd233079 CS |
5571 | vty_out(vty, "{}\n"); |
5572 | else | |
5573 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5574 | return; |
5575 | } | |
5576 | n = zvni_neigh_lookup(zvni, ip); | |
5577 | if (!n) { | |
cd233079 CS |
5578 | if (!use_json) |
5579 | vty_out(vty, | |
5580 | "%% Requested neighbor does not exist in VNI %u\n", | |
5581 | vni); | |
d62a17ae | 5582 | return; |
5583 | } | |
cd233079 CS |
5584 | if (use_json) |
5585 | json = json_object_new_object(); | |
5586 | ||
5587 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 5588 | |
cd233079 CS |
5589 | if (use_json) { |
5590 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5591 | json, JSON_C_TO_STRING_PRETTY)); | |
5592 | json_object_free(json); | |
5593 | } | |
cec2e17d | 5594 | } |
5595 | ||
5596 | /* | |
5597 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
5598 | * By definition, these are remote neighbors. | |
5599 | */ | |
d62a17ae | 5600 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5601 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5602 | bool use_json) |
cec2e17d | 5603 | { |
d62a17ae | 5604 | zebra_vni_t *zvni; |
d7c0a89a | 5605 | uint32_t num_neigh; |
d62a17ae | 5606 | struct neigh_walk_ctx wctx; |
cd233079 | 5607 | json_object *json = NULL; |
cec2e17d | 5608 | |
2853fed6 | 5609 | if (!is_evpn_enabled()) |
d62a17ae | 5610 | return; |
2853fed6 | 5611 | zvni = zvni_lookup(vni); |
d62a17ae | 5612 | if (!zvni) { |
cd233079 CS |
5613 | if (use_json) |
5614 | vty_out(vty, "{}\n"); | |
5615 | else | |
5616 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5617 | return; |
5618 | } | |
5619 | num_neigh = hashcount(zvni->neigh_table); | |
5620 | if (!num_neigh) | |
5621 | return; | |
cec2e17d | 5622 | |
d62a17ae | 5623 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
5624 | wctx.zvni = zvni; | |
5625 | wctx.vty = vty; | |
68e33151 | 5626 | wctx.addr_width = 15; |
d62a17ae | 5627 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
5628 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5629 | wctx.json = json; |
68e33151 | 5630 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 5631 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
5632 | |
5633 | if (use_json) { | |
5634 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5635 | json, JSON_C_TO_STRING_PRETTY)); | |
5636 | json_object_free(json); | |
5637 | } | |
cec2e17d | 5638 | } |
5639 | ||
5640 | /* | |
5641 | * Display MACs for a VNI (VTY command handler). | |
5642 | */ | |
d62a17ae | 5643 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5644 | vni_t vni, bool use_json) |
cec2e17d | 5645 | { |
d62a17ae | 5646 | zebra_vni_t *zvni; |
d7c0a89a | 5647 | uint32_t num_macs; |
d62a17ae | 5648 | struct mac_walk_ctx wctx; |
cd233079 CS |
5649 | json_object *json = NULL; |
5650 | json_object *json_mac = NULL; | |
cec2e17d | 5651 | |
2853fed6 | 5652 | if (!is_evpn_enabled()) |
d62a17ae | 5653 | return; |
2853fed6 | 5654 | zvni = zvni_lookup(vni); |
d62a17ae | 5655 | if (!zvni) { |
cd233079 CS |
5656 | if (use_json) |
5657 | vty_out(vty, "{}\n"); | |
5658 | else | |
5659 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5660 | return; |
5661 | } | |
790f8dc5 | 5662 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5663 | if (!num_macs) |
5664 | return; | |
cec2e17d | 5665 | |
cd233079 CS |
5666 | if (use_json) { |
5667 | json = json_object_new_object(); | |
5668 | json_mac = json_object_new_object(); | |
5669 | } | |
5670 | ||
d62a17ae | 5671 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5672 | wctx.zvni = zvni; | |
5673 | wctx.vty = vty; | |
cd233079 | 5674 | wctx.json = json_mac; |
cec2e17d | 5675 | |
cd233079 CS |
5676 | if (!use_json) { |
5677 | vty_out(vty, | |
5678 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5679 | num_macs); | |
5680 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5681 | "Intf/Remote VTEP", "VLAN"); | |
5682 | } else | |
5683 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5684 | |
d62a17ae | 5685 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5686 | |
5687 | if (use_json) { | |
5688 | json_object_object_add(json, "macs", json_mac); | |
5689 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5690 | json, JSON_C_TO_STRING_PRETTY)); | |
5691 | json_object_free(json); | |
5692 | } | |
cec2e17d | 5693 | } |
5694 | ||
5695 | /* | |
5696 | * Display MACs for all VNIs (VTY command handler). | |
5697 | */ | |
cd233079 | 5698 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5699 | bool use_json) |
cec2e17d | 5700 | { |
d62a17ae | 5701 | struct mac_walk_ctx wctx; |
cd233079 | 5702 | json_object *json = NULL; |
cec2e17d | 5703 | |
2853fed6 | 5704 | if (!is_evpn_enabled()) { |
cd233079 CS |
5705 | if (use_json) |
5706 | vty_out(vty, "{}\n"); | |
d62a17ae | 5707 | return; |
cd233079 CS |
5708 | } |
5709 | if (use_json) | |
5710 | json = json_object_new_object(); | |
5711 | ||
d62a17ae | 5712 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5713 | wctx.vty = vty; | |
cd233079 | 5714 | wctx.json = json; |
d62a17ae | 5715 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5716 | |
5717 | if (use_json) { | |
5718 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5719 | json, JSON_C_TO_STRING_PRETTY)); | |
5720 | json_object_free(json); | |
5721 | } | |
cec2e17d | 5722 | } |
5723 | ||
5724 | /* | |
5725 | * Display MACs for all VNIs (VTY command handler). | |
5726 | */ | |
d62a17ae | 5727 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5728 | struct zebra_vrf *zvrf, | |
9f049418 | 5729 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5730 | { |
d62a17ae | 5731 | struct mac_walk_ctx wctx; |
cd233079 | 5732 | json_object *json = NULL; |
cec2e17d | 5733 | |
2853fed6 | 5734 | if (!is_evpn_enabled()) |
d62a17ae | 5735 | return; |
cd233079 CS |
5736 | |
5737 | if (use_json) | |
5738 | json = json_object_new_object(); | |
5739 | ||
d62a17ae | 5740 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5741 | wctx.vty = vty; | |
5742 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5743 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5744 | wctx.json = json; |
d62a17ae | 5745 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5746 | |
5747 | if (use_json) { | |
5748 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5749 | json, JSON_C_TO_STRING_PRETTY)); | |
5750 | json_object_free(json); | |
5751 | } | |
cec2e17d | 5752 | } |
5753 | ||
5754 | /* | |
5755 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5756 | */ | |
d62a17ae | 5757 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
24cdbd0d DS |
5758 | vni_t vni, struct ethaddr *macaddr, |
5759 | bool use_json) | |
cec2e17d | 5760 | { |
d62a17ae | 5761 | zebra_vni_t *zvni; |
5762 | zebra_mac_t *mac; | |
24cdbd0d | 5763 | json_object *json = NULL; |
cec2e17d | 5764 | |
2853fed6 | 5765 | if (!is_evpn_enabled()) |
d62a17ae | 5766 | return; |
24cdbd0d | 5767 | |
2853fed6 | 5768 | zvni = zvni_lookup(vni); |
d62a17ae | 5769 | if (!zvni) { |
24cdbd0d DS |
5770 | if (use_json) |
5771 | vty_out(vty, "{}\n"); | |
5772 | else | |
5773 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5774 | return; |
5775 | } | |
5776 | mac = zvni_mac_lookup(zvni, macaddr); | |
5777 | if (!mac) { | |
24cdbd0d DS |
5778 | if (use_json) |
5779 | vty_out(vty, "{}\n"); | |
5780 | else | |
5781 | vty_out(vty, | |
5782 | "%% Requested MAC does not exist in VNI %u\n", | |
5783 | vni); | |
d62a17ae | 5784 | return; |
5785 | } | |
cec2e17d | 5786 | |
24cdbd0d DS |
5787 | if (use_json) |
5788 | json = json_object_new_object(); | |
5789 | ||
5790 | zvni_print_mac(mac, vty, json); | |
cec2e17d | 5791 | } |
5792 | ||
5793 | /* | |
5794 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5795 | */ | |
d62a17ae | 5796 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5797 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5798 | bool use_json) |
cec2e17d | 5799 | { |
d62a17ae | 5800 | zebra_vni_t *zvni; |
d7c0a89a | 5801 | uint32_t num_macs; |
d62a17ae | 5802 | struct mac_walk_ctx wctx; |
cd233079 CS |
5803 | json_object *json = NULL; |
5804 | json_object *json_mac = NULL; | |
cec2e17d | 5805 | |
2853fed6 | 5806 | if (!is_evpn_enabled()) |
d62a17ae | 5807 | return; |
2853fed6 | 5808 | zvni = zvni_lookup(vni); |
d62a17ae | 5809 | if (!zvni) { |
cd233079 CS |
5810 | if (use_json) |
5811 | vty_out(vty, "{}\n"); | |
5812 | else | |
5813 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5814 | return; |
5815 | } | |
790f8dc5 | 5816 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5817 | if (!num_macs) |
5818 | return; | |
cd233079 CS |
5819 | |
5820 | if (use_json) { | |
5821 | json = json_object_new_object(); | |
5822 | json_mac = json_object_new_object(); | |
5823 | } | |
5824 | ||
d62a17ae | 5825 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5826 | wctx.zvni = zvni; | |
5827 | wctx.vty = vty; | |
5828 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5829 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5830 | wctx.json = json_mac; |
d62a17ae | 5831 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5832 | |
5833 | if (use_json) { | |
5834 | json_object_int_add(json, "numMacs", wctx.count); | |
5835 | if (wctx.count) | |
5836 | json_object_object_add(json, "macs", json_mac); | |
5837 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5838 | json, JSON_C_TO_STRING_PRETTY)); | |
5839 | json_object_free(json); | |
5840 | } | |
cec2e17d | 5841 | } |
5842 | ||
5843 | ||
5844 | /* | |
5845 | * Display VNI information (VTY command handler). | |
5846 | */ | |
cd233079 | 5847 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5848 | bool use_json) |
cec2e17d | 5849 | { |
cd233079 CS |
5850 | json_object *json = NULL; |
5851 | void *args[2]; | |
1f2129ec | 5852 | zebra_l3vni_t *zl3vni = NULL; |
5853 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5854 | |
2853fed6 | 5855 | if (!is_evpn_enabled()) |
d62a17ae | 5856 | return; |
4cce389e | 5857 | |
cd233079 CS |
5858 | if (use_json) |
5859 | json = json_object_new_object(); | |
5860 | args[0] = vty; | |
5861 | args[1] = json; | |
4cce389e | 5862 | |
1f2129ec | 5863 | zl3vni = zl3vni_lookup(vni); |
5864 | if (zl3vni) { | |
4cce389e MK |
5865 | zl3vni_print(zl3vni, (void *)args); |
5866 | } else { | |
4cce389e MK |
5867 | zvni = zvni_lookup(vni); |
5868 | if (!zvni) { | |
5869 | if (use_json) | |
5870 | vty_out(vty, "{}\n"); | |
5871 | else | |
5872 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5873 | return; | |
5874 | } | |
5875 | ||
5876 | zvni_print(zvni, (void *)args); | |
5877 | } | |
5878 | ||
cd233079 CS |
5879 | if (use_json) { |
5880 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5881 | json, JSON_C_TO_STRING_PRETTY)); | |
5882 | json_object_free(json); | |
5883 | } | |
cec2e17d | 5884 | } |
5885 | ||
4cce389e | 5886 | /* Display all global details for EVPN */ |
088f1098 | 5887 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5888 | { |
4cce389e MK |
5889 | int num_l2vnis = 0; |
5890 | int num_l3vnis = 0; | |
d4454626 | 5891 | int num_vnis = 0; |
cd233079 | 5892 | json_object *json = NULL; |
4cce389e | 5893 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 5894 | |
2853fed6 | 5895 | if (!is_evpn_enabled()) |
d62a17ae | 5896 | return; |
4cce389e | 5897 | |
4cce389e MK |
5898 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
5899 | if (!zvrf) | |
5900 | return; | |
5901 | ||
89272910 | 5902 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 5903 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 5904 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5905 | |
5906 | if (uj) { | |
cd233079 | 5907 | json = json_object_new_object(); |
ddd16ed5 MK |
5908 | json_object_string_add(json, "advertiseGatewayMacip", |
5909 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5910 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5911 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5912 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5913 | } else { |
4cce389e MK |
5914 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5915 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5916 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5917 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5918 | } |
4cce389e MK |
5919 | |
5920 | if (uj) { | |
5921 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5922 | json, JSON_C_TO_STRING_PRETTY)); | |
5923 | json_object_free(json); | |
5924 | } | |
5925 | } | |
5926 | ||
5927 | /* | |
5928 | * Display VNI hash table (VTY command handler). | |
5929 | */ | |
5930 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5931 | bool use_json) |
4cce389e MK |
5932 | { |
5933 | json_object *json = NULL; | |
4cce389e MK |
5934 | void *args[2]; |
5935 | ||
5936 | if (!is_evpn_enabled()) | |
5937 | return; | |
5938 | ||
4cce389e MK |
5939 | if (use_json) |
5940 | json = json_object_new_object(); | |
5941 | else | |
996c9314 LB |
5942 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5943 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5944 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5945 | |
cd233079 CS |
5946 | args[0] = vty; |
5947 | args[1] = json; | |
5948 | ||
4cce389e | 5949 | /* Display all L2-VNIs */ |
cd233079 CS |
5950 | hash_iterate(zvrf->vni_table, |
5951 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5952 | args); | |
5953 | ||
4cce389e | 5954 | /* Display all L3-VNIs */ |
89272910 | 5955 | hash_iterate(zrouter.l3vni_table, |
4cce389e MK |
5956 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, |
5957 | args); | |
5958 | ||
cd233079 CS |
5959 | if (use_json) { |
5960 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5961 | json, JSON_C_TO_STRING_PRETTY)); | |
5962 | json_object_free(json); | |
5963 | } | |
cec2e17d | 5964 | } |
5965 | ||
3950b52c CS |
5966 | void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS) |
5967 | { | |
5968 | struct stream *s; | |
5969 | int time = 0; | |
5970 | uint32_t max_moves = 0; | |
5971 | uint32_t freeze_time = 0; | |
5972 | bool dup_addr_detect = false; | |
5973 | bool freeze = false; | |
5974 | ||
5975 | s = msg; | |
5976 | STREAM_GETL(s, dup_addr_detect); | |
5977 | STREAM_GETL(s, time); | |
5978 | STREAM_GETL(s, max_moves); | |
5979 | STREAM_GETL(s, freeze); | |
5980 | STREAM_GETL(s, freeze_time); | |
5981 | ||
5982 | zvrf->dup_addr_detect = dup_addr_detect; | |
5983 | zvrf->dad_time = time; | |
5984 | zvrf->dad_max_moves = max_moves; | |
5985 | zvrf->dad_freeze = freeze; | |
5986 | zvrf->dad_freeze_time = freeze_time; | |
5987 | ||
5988 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5989 | zlog_debug( | |
5990 | "%s: duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u", | |
5991 | __PRETTY_FUNCTION__, | |
5992 | zvrf->dup_addr_detect ? "enable" : "disable", | |
5993 | zvrf->dad_max_moves, | |
5994 | zvrf->dad_time, | |
5995 | zvrf->dad_freeze ? "enable" : "disable", | |
5996 | zvrf->dad_freeze_time); | |
5997 | ||
5998 | stream_failure: | |
5999 | return; | |
6000 | } | |
6001 | ||
2232a77c | 6002 | /* |
ee69da27 MK |
6003 | * Handle neighbor delete notification from the kernel (on a VLAN device |
6004 | * / L3 interface). This may result in either the neighbor getting deleted | |
6005 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 6006 | * remote neighbor). |
6007 | */ | |
ee69da27 MK |
6008 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
6009 | struct interface *link_if, | |
6010 | struct ipaddr *ip) | |
d62a17ae | 6011 | { |
d62a17ae | 6012 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 6013 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
6014 | zebra_neigh_t *n = NULL; |
6015 | zebra_vni_t *zvni = NULL; | |
6016 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 6017 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 6018 | |
8c9b80b9 | 6019 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 6020 | * next-hop |
6021 | */ | |
8c9b80b9 MK |
6022 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6023 | if (zl3vni) | |
6024 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 6025 | |
6026 | /* We are only interested in neighbors on an SVI that resides on top | |
6027 | * of a VxLAN bridge. | |
6028 | */ | |
b7cfce93 | 6029 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 6030 | if (!zvni) |
6031 | return 0; | |
8c9b80b9 | 6032 | |
d62a17ae | 6033 | if (!zvni->vxlan_if) { |
9df414fe | 6034 | zlog_debug( |
d62a17ae | 6035 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
6036 | zvni->vni, zvni); | |
6037 | return -1; | |
6038 | } | |
6039 | ||
6040 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 6041 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
6042 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
6043 | ifp->ifindex, zvni->vni); | |
d62a17ae | 6044 | |
6045 | /* If entry doesn't exist, nothing to do. */ | |
6046 | n = zvni_neigh_lookup(zvni, ip); | |
6047 | if (!n) | |
6048 | return 0; | |
6049 | ||
b6938a74 MK |
6050 | zmac = zvni_mac_lookup(zvni, &n->emac); |
6051 | if (!zmac) { | |
6052 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 6053 | zlog_debug( |
2853fed6 | 6054 | "Trying to del a neigh %s without a mac %s on VNI %u", |
6055 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
6056 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
6057 | zvni->vni); | |
6058 | ||
6059 | return 0; | |
6060 | } | |
6061 | ||
d62a17ae | 6062 | /* If it is a remote entry, the kernel has aged this out or someone has |
6063 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
6064 | */ | |
6065 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
6066 | zvni_neigh_install(zvni, n); | |
6067 | return 0; | |
6068 | } | |
6069 | ||
d62a17ae | 6070 | /* Remove neighbor from BGP. */ |
b6938a74 | 6071 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 6072 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 6073 | |
6074 | /* Delete this neighbor entry. */ | |
6075 | zvni_neigh_del(zvni, n); | |
6076 | ||
b6938a74 MK |
6077 | /* see if the AUTO mac needs to be deleted */ |
6078 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 6079 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
6080 | zvni_mac_del(zvni, zmac); |
6081 | ||
d62a17ae | 6082 | return 0; |
2232a77c | 6083 | } |
6084 | ||
6085 | /* | |
ee69da27 MK |
6086 | * Handle neighbor add or update notification from the kernel (on a VLAN |
6087 | * device / L3 interface). This is typically for a local neighbor but can | |
6088 | * also be for a remote neighbor (e.g., ageout notification). It could | |
6089 | * also be a "move" scenario. | |
2232a77c | 6090 | */ |
ee69da27 MK |
6091 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
6092 | struct interface *link_if, | |
6093 | struct ipaddr *ip, | |
6094 | struct ethaddr *macaddr, | |
6095 | uint16_t state, | |
a37f4598 | 6096 | bool is_ext, |
6097 | bool is_router) | |
d62a17ae | 6098 | { |
d62a17ae | 6099 | char buf[ETHER_ADDR_STRLEN]; |
6100 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 6101 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 6102 | zebra_l3vni_t *zl3vni = NULL; |
6103 | ||
6104 | /* check if this is a remote neigh entry corresponding to remote | |
6105 | * next-hop | |
6106 | */ | |
6107 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6108 | if (zl3vni) | |
6109 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 6110 | |
d62a17ae | 6111 | /* We are only interested in neighbors on an SVI that resides on top |
6112 | * of a VxLAN bridge. | |
6113 | */ | |
b7cfce93 | 6114 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 6115 | if (!zvni) |
6116 | return 0; | |
6117 | ||
d62a17ae | 6118 | if (IS_ZEBRA_DEBUG_VXLAN) |
6119 | zlog_debug( | |
54c17425 | 6120 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 6121 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 6122 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 6123 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
6124 | is_router ? "router " : "", | |
8c9b80b9 | 6125 | zvni->vni); |
d62a17ae | 6126 | |
ee69da27 | 6127 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 6128 | if (!is_ext) |
68e33151 | 6129 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 6130 | is_router); |
b7cfce93 | 6131 | |
ee69da27 | 6132 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 6133 | } |
6134 | ||
b682f6de | 6135 | |
2232a77c | 6136 | /* |
6137 | * Handle message from client to delete a remote MACIP for a VNI. | |
6138 | */ | |
89f4e507 | 6139 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 6140 | { |
6141 | struct stream *s; | |
6142 | vni_t vni; | |
6143 | struct ethaddr macaddr; | |
6144 | struct ipaddr ip; | |
6145 | struct in_addr vtep_ip; | |
9df2b997 | 6146 | uint16_t l = 0, ipa_len; |
d62a17ae | 6147 | char buf[ETHER_ADDR_STRLEN]; |
6148 | char buf1[INET6_ADDRSTRLEN]; | |
6149 | ||
b7cfce93 | 6150 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
6151 | memset(&ip, 0, sizeof(struct ipaddr)); |
6152 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
6153 | ||
1002497a | 6154 | s = msg; |
d62a17ae | 6155 | |
89f4e507 | 6156 | while (l < hdr->length) { |
d62a17ae | 6157 | /* Obtain each remote MACIP and process. */ |
6158 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
6159 | * followed by remote VTEP IP. | |
6160 | */ | |
d62a17ae | 6161 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
6162 | STREAM_GETL(s, vni); |
6163 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
6164 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 6165 | if (ipa_len) { |
6166 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
6167 | : IPADDR_V6; | |
ec93aa12 | 6168 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 6169 | } |
ff8b7eb8 | 6170 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 6171 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6172 | l += IPV4_MAX_BYTELEN; |
6173 | ||
6174 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6175 | zlog_debug( | |
f07e1c99 | 6176 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
6177 | vni, | |
d62a17ae | 6178 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 6179 | ipa_len ? " IP " : "", |
6180 | ipa_len ? | |
6181 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 6182 | inet_ntoa(vtep_ip), |
6183 | zebra_route_string(client->proto)); | |
6184 | ||
f07e1c99 | 6185 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 6186 | } |
6187 | ||
ec93aa12 | 6188 | stream_failure: |
8068a649 | 6189 | return; |
2232a77c | 6190 | } |
6191 | ||
6192 | /* | |
6193 | * Handle message from client to add a remote MACIP for a VNI. This | |
6194 | * could be just the add of a MAC address or the add of a neighbor | |
6195 | * (IP+MAC). | |
6196 | */ | |
89f4e507 | 6197 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6198 | { |
6199 | struct stream *s; | |
6200 | vni_t vni; | |
6201 | struct ethaddr macaddr; | |
6202 | struct ipaddr ip; | |
6203 | struct in_addr vtep_ip; | |
9df2b997 | 6204 | uint16_t l = 0, ipa_len; |
f07e1c99 | 6205 | uint8_t flags = 0; |
6206 | uint32_t seq; | |
d62a17ae | 6207 | char buf[ETHER_ADDR_STRLEN]; |
6208 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 6209 | |
b7cfce93 | 6210 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
6211 | memset(&ip, 0, sizeof(struct ipaddr)); |
6212 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
6213 | ||
ec93aa12 | 6214 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 6215 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 6216 | return; |
ec93aa12 | 6217 | } |
d62a17ae | 6218 | |
1002497a | 6219 | s = msg; |
d62a17ae | 6220 | |
89f4e507 | 6221 | while (l < hdr->length) { |
d62a17ae | 6222 | /* Obtain each remote MACIP and process. */ |
6223 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
6224 | * followed by remote VTEP IP. | |
6225 | */ | |
d62a17ae | 6226 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
6227 | STREAM_GETL(s, vni); |
6228 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
6229 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 6230 | if (ipa_len) { |
6231 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
6232 | : IPADDR_V6; | |
ec93aa12 | 6233 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 6234 | } |
ff8b7eb8 | 6235 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 6236 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6237 | l += IPV4_MAX_BYTELEN; |
6238 | ||
ead40654 | 6239 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 6240 | STREAM_GETC(s, flags); |
d62a17ae | 6241 | l++; |
f07e1c99 | 6242 | STREAM_GETL(s, seq); |
6243 | l += 4; | |
d62a17ae | 6244 | |
6245 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6246 | zlog_debug( | |
f07e1c99 | 6247 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
6248 | vni, | |
d62a17ae | 6249 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 6250 | ipa_len ? " IP " : "", |
6251 | ipa_len ? | |
6252 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
6253 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 6254 | zebra_route_string(client->proto)); |
6255 | ||
f07e1c99 | 6256 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
6257 | flags, seq, vtep_ip); | |
d62a17ae | 6258 | } |
6259 | ||
ec93aa12 | 6260 | stream_failure: |
8068a649 | 6261 | return; |
13d60d35 | 6262 | } |
6263 | ||
6264 | /* | |
2232a77c | 6265 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
6266 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
6267 | * of any prior local MAC. | |
13d60d35 | 6268 | */ |
d62a17ae | 6269 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
6270 | struct interface *br_if, | |
6271 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 6272 | { |
d62a17ae | 6273 | struct zebra_if *zif; |
d62a17ae | 6274 | struct zebra_l2info_vxlan *vxl; |
6275 | vni_t vni; | |
6276 | zebra_vni_t *zvni; | |
6277 | zebra_mac_t *mac; | |
6278 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 6279 | |
d62a17ae | 6280 | zif = ifp->info; |
6281 | assert(zif); | |
6282 | vxl = &zif->l2info.vxl; | |
6283 | vni = vxl->vni; | |
13d60d35 | 6284 | |
2853fed6 | 6285 | /* Check if EVPN is enabled. */ |
6286 | if (!is_evpn_enabled()) | |
d62a17ae | 6287 | return 0; |
13d60d35 | 6288 | |
d62a17ae | 6289 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 6290 | zvni = zvni_lookup(vni); |
d62a17ae | 6291 | if (!zvni) |
6292 | return 0; | |
13d60d35 | 6293 | |
d62a17ae | 6294 | /* If entry doesn't exist, nothing to do. */ |
6295 | mac = zvni_mac_lookup(zvni, macaddr); | |
6296 | if (!mac) | |
6297 | return 0; | |
13d60d35 | 6298 | |
d62a17ae | 6299 | /* Is it a local entry? */ |
6300 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
6301 | return 0; | |
13d60d35 | 6302 | |
d62a17ae | 6303 | if (IS_ZEBRA_DEBUG_VXLAN) |
6304 | zlog_debug( | |
2853fed6 | 6305 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
6306 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
6307 | ifp->ifindex, vni); | |
13d60d35 | 6308 | |
d62a17ae | 6309 | /* Remove MAC from BGP. */ |
e98e4b88 | 6310 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
13d60d35 | 6311 | |
b6938a74 MK |
6312 | /* |
6313 | * If there are no neigh associated with the mac delete the mac | |
6314 | * else mark it as AUTO for forward reference | |
6315 | */ | |
6316 | if (!listcount(mac->neigh_list)) { | |
6317 | zvni_mac_del(zvni, mac); | |
6318 | } else { | |
6319 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
6320 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
6321 | } | |
13d60d35 | 6322 | |
d62a17ae | 6323 | return 0; |
13d60d35 | 6324 | } |
6325 | ||
6326 | /* | |
2232a77c | 6327 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
6328 | * This can happen because the remote MAC entries are also added as "dynamic", | |
6329 | * so the kernel can ageout the entry. | |
13d60d35 | 6330 | */ |
d62a17ae | 6331 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
6332 | struct interface *br_if, | |
6333 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 6334 | { |
a9a76262 MK |
6335 | struct zebra_if *zif = NULL; |
6336 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 6337 | vni_t vni; |
a9a76262 MK |
6338 | zebra_vni_t *zvni = NULL; |
6339 | zebra_l3vni_t *zl3vni = NULL; | |
6340 | zebra_mac_t *mac = NULL; | |
d62a17ae | 6341 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 6342 | |
d62a17ae | 6343 | zif = ifp->info; |
6344 | assert(zif); | |
6345 | vxl = &zif->l2info.vxl; | |
6346 | vni = vxl->vni; | |
2232a77c | 6347 | |
2853fed6 | 6348 | /* Check if EVPN is enabled. */ |
6349 | if (!is_evpn_enabled()) | |
d62a17ae | 6350 | return 0; |
2232a77c | 6351 | |
a9a76262 MK |
6352 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
6353 | zl3vni = zl3vni_lookup(vni); | |
6354 | if (zl3vni) | |
6355 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
6356 | ||
d62a17ae | 6357 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 6358 | zvni = zvni_lookup(vni); |
d62a17ae | 6359 | if (!zvni) |
6360 | return 0; | |
13d60d35 | 6361 | |
d62a17ae | 6362 | /* If entry doesn't exist, nothing to do. */ |
6363 | mac = zvni_mac_lookup(zvni, macaddr); | |
6364 | if (!mac) | |
6365 | return 0; | |
2232a77c | 6366 | |
d62a17ae | 6367 | /* Is it a remote entry? */ |
6368 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
6369 | return 0; | |
2232a77c | 6370 | |
d62a17ae | 6371 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 6372 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 6373 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
6374 | ifp->ifindex, vni); | |
13d60d35 | 6375 | |
d62a17ae | 6376 | zvni_mac_install(zvni, mac); |
6377 | return 0; | |
13d60d35 | 6378 | } |
6379 | ||
6380 | /* | |
2232a77c | 6381 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 6382 | */ |
d62a17ae | 6383 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
6384 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 6385 | { |
d62a17ae | 6386 | zebra_vni_t *zvni; |
6387 | zebra_mac_t *mac; | |
d62a17ae | 6388 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 6389 | |
d62a17ae | 6390 | /* We are interested in MACs only on ports or (port, VLAN) that |
6391 | * map to a VNI. | |
6392 | */ | |
6393 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
6394 | if (!zvni) | |
6395 | return 0; | |
6396 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6397 | zlog_debug( |
6398 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
6399 | zvni->vni, zvni); | |
d62a17ae | 6400 | return -1; |
6401 | } | |
13d60d35 | 6402 | |
d62a17ae | 6403 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 6404 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 6405 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
6406 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 6407 | |
d62a17ae | 6408 | /* If entry doesn't exist, nothing to do. */ |
6409 | mac = zvni_mac_lookup(zvni, macaddr); | |
6410 | if (!mac) | |
6411 | return 0; | |
2232a77c | 6412 | |
d62a17ae | 6413 | /* Is it a local entry? */ |
6414 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
6415 | return 0; | |
2232a77c | 6416 | |
b6938a74 | 6417 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 6418 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 6419 | |
f07e1c99 | 6420 | /* Remove MAC from BGP. */ |
e98e4b88 | 6421 | zvni_mac_send_del_to_client(zvni->vni, macaddr); |
f07e1c99 | 6422 | |
b6938a74 MK |
6423 | /* |
6424 | * If there are no neigh associated with the mac delete the mac | |
6425 | * else mark it as AUTO for forward reference | |
6426 | */ | |
6427 | if (!listcount(mac->neigh_list)) { | |
6428 | zvni_mac_del(zvni, mac); | |
6429 | } else { | |
6430 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
6431 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
6432 | } | |
2232a77c | 6433 | |
d62a17ae | 6434 | return 0; |
13d60d35 | 6435 | } |
6436 | ||
6437 | /* | |
2232a77c | 6438 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 6439 | */ |
d62a17ae | 6440 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
6441 | struct interface *br_if, | |
6442 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 6443 | bool sticky) |
d62a17ae | 6444 | { |
6445 | zebra_vni_t *zvni; | |
6446 | zebra_mac_t *mac; | |
e22a946a | 6447 | struct zebra_vrf *zvrf; |
d62a17ae | 6448 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 6449 | bool mac_sticky = false; |
6450 | bool inform_client = false; | |
6451 | bool upd_neigh = false; | |
e22a946a CS |
6452 | zebra_neigh_t *n = NULL; |
6453 | struct listnode *node = NULL; | |
6454 | struct in_addr vtep_ip = {.s_addr = 0}; | |
6455 | struct timeval elapsed = {0, 0}; | |
6456 | char buf2[INET6_ADDRSTRLEN]; | |
d62a17ae | 6457 | |
6458 | /* We are interested in MACs only on ports or (port, VLAN) that | |
6459 | * map to a VNI. | |
6460 | */ | |
6461 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
6462 | if (!zvni) { | |
6463 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6464 | zlog_debug( | |
2853fed6 | 6465 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
6466 | sticky ? "sticky " : "", | |
d62a17ae | 6467 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
6468 | ifp->name, ifp->ifindex, vid); | |
6469 | return 0; | |
6470 | } | |
6471 | ||
6472 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6473 | zlog_debug( |
6474 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
6475 | zvni->vni, zvni); | |
d62a17ae | 6476 | return -1; |
6477 | } | |
6478 | ||
e22a946a CS |
6479 | zvrf = vrf_info_lookup(zvni->vxlan_if->vrf_id); |
6480 | if (!zvrf) | |
6481 | return -1; | |
6482 | ||
f07e1c99 | 6483 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 6484 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 6485 | if (!mac) { |
6486 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6487 | zlog_debug( | |
6488 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
6489 | sticky ? "sticky " : "", | |
6490 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
6491 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 6492 | |
f07e1c99 | 6493 | mac = zvni_mac_add(zvni, macaddr); |
6494 | if (!mac) { | |
6495 | flog_err( | |
e914ccbe | 6496 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 6497 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
6498 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
6499 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
6500 | return -1; | |
6501 | } | |
6502 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
6503 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
6504 | mac->fwd_info.local.vid = vid; | |
6505 | if (sticky) | |
6506 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
6507 | inform_client = true; | |
6508 | ||
6509 | } else { | |
6510 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6511 | zlog_debug( | |
6512 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
6513 | sticky ? "sticky " : "", | |
6514 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
6515 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
6516 | mac->flags); | |
6517 | ||
6518 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
6519 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
6520 | mac_sticky = true; | |
b6938a74 | 6521 | |
b8ce75a5 | 6522 | /* |
f07e1c99 | 6523 | * Update any changes and if changes are relevant to |
6524 | * BGP, note it. | |
b8ce75a5 | 6525 | */ |
d62a17ae | 6526 | if (mac_sticky == sticky |
6527 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
6528 | && mac->fwd_info.local.vid == vid) { | |
6529 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6530 | zlog_debug( | |
2853fed6 | 6531 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 6532 | "entry exists and has not changed ", |
d62a17ae | 6533 | sticky ? "sticky " : "", |
6534 | prefix_mac2str(macaddr, buf, | |
6535 | sizeof(buf)), | |
6536 | ifp->name, ifp->ifindex, vid, | |
6537 | zvni->vni); | |
6538 | return 0; | |
b6938a74 | 6539 | } |
f07e1c99 | 6540 | if (mac_sticky != sticky) { |
6541 | if (sticky) | |
6542 | SET_FLAG(mac->flags, | |
6543 | ZEBRA_MAC_STICKY); | |
6544 | else | |
6545 | UNSET_FLAG(mac->flags, | |
6546 | ZEBRA_MAC_STICKY); | |
6547 | inform_client = true; | |
6548 | } | |
6549 | ||
6550 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
6551 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
6552 | mac->fwd_info.local.vid = vid; | |
6553 | ||
6554 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
6555 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
e22a946a | 6556 | bool do_dad = false; |
f07e1c99 | 6557 | |
421bb26a | 6558 | /* |
f07e1c99 | 6559 | * MAC has either moved or was "internally" created due |
6560 | * to a neighbor learn and is now actually learnt. If | |
6561 | * it was learnt as a remote sticky MAC, this is an | |
6562 | * operator error. | |
421bb26a | 6563 | */ |
8f4b98ee | 6564 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 6565 | flog_warn( |
e914ccbe | 6566 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 6567 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
6568 | prefix_mac2str(macaddr, buf, |
6569 | sizeof(buf)), | |
6570 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
6571 | zvni->vni); | |
8f4b98ee MK |
6572 | return 0; |
6573 | } | |
d62a17ae | 6574 | |
f07e1c99 | 6575 | /* If an actual move, compute MAC's seq number */ |
e22a946a | 6576 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
f07e1c99 | 6577 | mac->loc_seq = MAX(mac->rem_seq + 1, |
6578 | mac->loc_seq); | |
e22a946a CS |
6579 | vtep_ip = mac->fwd_info.r_vtep_ip; |
6580 | /* Trigger DAD for remote MAC */ | |
6581 | do_dad = true; | |
6582 | } | |
6583 | ||
f07e1c99 | 6584 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
6585 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
6586 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
6587 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
6588 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
6589 | mac->fwd_info.local.vid = vid; | |
6590 | if (sticky) | |
6591 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
6592 | else | |
6593 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
6594 | /* | |
6595 | * We have to inform BGP of this MAC as well as process | |
6596 | * all neighbors. | |
6597 | */ | |
6598 | inform_client = true; | |
6599 | upd_neigh = true; | |
e22a946a CS |
6600 | |
6601 | if (zvrf->dup_addr_detect && do_dad) { | |
6602 | /* MAC is detected as duplicate, hold on | |
6603 | * advertising to BGP. | |
6604 | */ | |
6605 | if (CHECK_FLAG(mac->flags, | |
6606 | ZEBRA_MAC_DUPLICATE)) { | |
6607 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6608 | zlog_debug( | |
6609 | "%s: duplicate addr MAC %s skip update to client, learn count %u recover time %u", | |
6610 | __PRETTY_FUNCTION__, | |
6611 | prefix_mac2str(macaddr, | |
6612 | buf, sizeof(buf)), | |
6613 | mac->dad_count, | |
6614 | zvrf->dad_freeze_time); | |
6615 | /* For duplicate MAC do not update | |
6616 | * client but update neigh due to | |
6617 | * this MAC update. | |
6618 | */ | |
6619 | if (zvrf->dad_freeze) | |
6620 | inform_client = false; | |
6621 | ||
6622 | goto send_notif; | |
6623 | } | |
6624 | ||
6625 | /* Check if detection time (M-secs) expired. | |
6626 | * Reset learn count and detection start time. | |
6627 | */ | |
6628 | monotime_since(&mac->detect_start_time, | |
6629 | &elapsed); | |
6630 | if (mac->dad_count == 0 || | |
6631 | elapsed.tv_sec >= zvrf->dad_time) { | |
6632 | ||
6633 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6634 | zlog_debug("%s: duplicate addr MAC %s flags 0x%x detection time passed, reset learn count %u", | |
6635 | __PRETTY_FUNCTION__, | |
6636 | prefix_mac2str( | |
6637 | macaddr, buf, | |
6638 | sizeof(buf)), | |
6639 | mac->flags, | |
6640 | mac->dad_count); | |
6641 | ||
6642 | mac->dad_count = 0; | |
6643 | /* Capture start dup. detection time */ | |
6644 | monotime(&mac->detect_start_time); | |
6645 | } | |
6646 | ||
6647 | /* Increment move count */ | |
6648 | mac->dad_count++; | |
6649 | ||
6650 | if (mac->dad_count >= zvrf->dad_max_moves) { | |
6651 | flog_warn(EC_ZEBRA_DUP_MAC_DETECTED, | |
6652 | "VNI %u: MAC %s detected as duplicate during local update, last VTEP %s", | |
6653 | zvni->vni, | |
6654 | prefix_mac2str(&mac->macaddr, | |
6655 | buf, sizeof(buf)), | |
6656 | inet_ntoa(vtep_ip)); | |
6657 | ||
6658 | SET_FLAG(mac->flags, | |
6659 | ZEBRA_MAC_DUPLICATE); | |
6660 | ||
6661 | /* Capture Duplicate detection time */ | |
6662 | mac->dad_dup_detect_time = | |
6663 | monotime(NULL); | |
6664 | ||
6665 | /* Mark all IPs/Neighs as duplicate | |
6666 | * associcated with this MAC | |
6667 | */ | |
6668 | for (ALL_LIST_ELEMENTS_RO( | |
6669 | mac->neigh_list, | |
6670 | node, n)) { | |
6671 | ||
6672 | /* Ony Mark IPs which are Local | |
6673 | */ | |
6674 | if (!CHECK_FLAG(n->flags, | |
6675 | ZEBRA_NEIGH_LOCAL)) | |
6676 | continue; | |
6677 | ||
6678 | SET_FLAG(n->flags, | |
6679 | ZEBRA_NEIGH_DUPLICATE); | |
6680 | ||
6681 | n->dad_dup_detect_time = | |
6682 | monotime(NULL); | |
6683 | ||
6684 | flog_warn( | |
6685 | EC_ZEBRA_DUP_IP_INHERIT_DETECTED | |
6686 | , | |
6687 | "VNI %u: MAC %s IP %s detected as duplicate during local update, inherit duplicate from MAC", | |
6688 | zvni->vni, | |
6689 | prefix_mac2str(&mac->macaddr, | |
6690 | buf, sizeof(buf)), | |
6691 | ipaddr2str(&n->ip, buf2, | |
6692 | sizeof(buf2))); | |
6693 | } | |
6694 | ||
c80a972c CS |
6695 | /* Start auto recovery timer for this |
6696 | * MAC | |
6697 | */ | |
6698 | THREAD_OFF( | |
6699 | mac->dad_mac_auto_recovery_timer); | |
6700 | if (zvrf->dad_freeze && | |
6701 | zvrf->dad_freeze_time) { | |
6702 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6703 | zlog_debug("%s: duplicate addr MAC %s flags 0x%x auto recovery time %u start", | |
6704 | __PRETTY_FUNCTION__, | |
6705 | prefix_mac2str( | |
6706 | &mac->macaddr, | |
6707 | buf, | |
6708 | sizeof(buf)), | |
6709 | mac->flags, | |
6710 | zvrf->dad_freeze_time); | |
6711 | ||
6712 | thread_add_timer(zebrad.master, | |
6713 | zebra_vxlan_dad_mac_auto_recovery_exp, | |
6714 | mac, | |
6715 | zvrf->dad_freeze_time, | |
6716 | &mac-> | |
6717 | dad_mac_auto_recovery_timer); | |
6718 | } | |
6719 | ||
e22a946a CS |
6720 | /* Do not inform to client (BGPd), |
6721 | * upd_neigh for neigh sequence change. | |
6722 | */ | |
6723 | if (zvrf->dad_freeze) | |
6724 | inform_client = false; | |
6725 | } | |
6726 | } | |
d62a17ae | 6727 | } |
6728 | } | |
6729 | ||
e22a946a CS |
6730 | send_notif: |
6731 | ||
d62a17ae | 6732 | /* Inform BGP if required. */ |
f07e1c99 | 6733 | if (inform_client) { |
6734 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
6735 | mac->flags, mac->loc_seq)) | |
6736 | return -1; | |
b6938a74 | 6737 | } |
d62a17ae | 6738 | |
f07e1c99 | 6739 | /* Process all neighbors associated with this MAC, if required. */ |
6740 | if (upd_neigh) | |
6741 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
6742 | ||
d62a17ae | 6743 | return 0; |
2232a77c | 6744 | } |
13d60d35 | 6745 | |
6746 | /* | |
6747 | * Handle message from client to delete a remote VTEP for a VNI. | |
6748 | */ | |
89f4e507 | 6749 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 6750 | { |
6751 | struct stream *s; | |
d7c0a89a | 6752 | unsigned short l = 0; |
d62a17ae | 6753 | vni_t vni; |
6754 | struct in_addr vtep_ip; | |
6755 | zebra_vni_t *zvni; | |
6756 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 6757 | struct interface *ifp; |
6758 | struct zebra_if *zif; | |
d62a17ae | 6759 | |
ec93aa12 | 6760 | if (!is_evpn_enabled()) { |
9df414fe | 6761 | zlog_debug( |
996c9314 LB |
6762 | "%s: EVPN is not enabled yet we have received a vtep del command", |
6763 | __PRETTY_FUNCTION__); | |
8068a649 | 6764 | return; |
ec93aa12 DS |
6765 | } |
6766 | ||
2853fed6 | 6767 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6768 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
6769 | zvrf_id(zvrf)); | |
8068a649 | 6770 | return; |
2853fed6 | 6771 | } |
6772 | ||
1002497a | 6773 | s = msg; |
d62a17ae | 6774 | |
89f4e507 | 6775 | while (l < hdr->length) { |
d62a17ae | 6776 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6777 | STREAM_GETL(s, vni); |
d62a17ae | 6778 | l += 4; |
ec93aa12 | 6779 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6780 | l += IPV4_MAX_BYTELEN; |
6781 | ||
6782 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6783 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
6784 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6785 | zebra_route_string(client->proto)); |
6786 | ||
6787 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6788 | zvni = zvni_lookup(vni); |
d62a17ae | 6789 | if (!zvni) { |
6790 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6791 | zlog_debug( | |
6792 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 6793 | "VNI %u", |
6794 | vni); | |
d62a17ae | 6795 | continue; |
6796 | } | |
6797 | ||
b5ebdc9b | 6798 | ifp = zvni->vxlan_if; |
6799 | if (!ifp) { | |
9df414fe | 6800 | zlog_debug( |
60466a63 QY |
6801 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
6802 | zvni->vni, zvni); | |
b682f6de | 6803 | continue; |
b5ebdc9b | 6804 | } |
6805 | zif = ifp->info; | |
6806 | ||
6807 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 6808 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 6809 | continue; |
6810 | ||
d62a17ae | 6811 | /* If the remote VTEP does not exist, there's nothing more to |
6812 | * do. | |
6813 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
6814 | * and | |
6815 | * then, the VTEP entry itself and remove it. | |
6816 | */ | |
6817 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
6818 | if (!zvtep) | |
6819 | continue; | |
6820 | ||
6821 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
6822 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
6823 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
6824 | zvni_vtep_del(zvni, zvtep); | |
6825 | } | |
6826 | ||
ec93aa12 | 6827 | stream_failure: |
8068a649 | 6828 | return; |
13d60d35 | 6829 | } |
6830 | ||
6831 | /* | |
6832 | * Handle message from client to add a remote VTEP for a VNI. | |
6833 | */ | |
89f4e507 | 6834 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6835 | { |
6836 | struct stream *s; | |
d7c0a89a | 6837 | unsigned short l = 0; |
d62a17ae | 6838 | vni_t vni; |
6839 | struct in_addr vtep_ip; | |
6840 | zebra_vni_t *zvni; | |
b5ebdc9b | 6841 | struct interface *ifp; |
6842 | struct zebra_if *zif; | |
d62a17ae | 6843 | |
ec93aa12 | 6844 | if (!is_evpn_enabled()) { |
9df414fe | 6845 | zlog_debug( |
996c9314 LB |
6846 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
6847 | __PRETTY_FUNCTION__); | |
8068a649 | 6848 | return; |
ec93aa12 DS |
6849 | } |
6850 | ||
2853fed6 | 6851 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6852 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6853 | zvrf_id(zvrf)); | |
8068a649 | 6854 | return; |
2853fed6 | 6855 | } |
d62a17ae | 6856 | |
1002497a | 6857 | s = msg; |
d62a17ae | 6858 | |
89f4e507 | 6859 | while (l < hdr->length) { |
d62a17ae | 6860 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6861 | STREAM_GETL(s, vni); |
d62a17ae | 6862 | l += 4; |
ec93aa12 | 6863 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6864 | l += IPV4_MAX_BYTELEN; |
6865 | ||
6866 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6867 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6868 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6869 | zebra_route_string(client->proto)); |
6870 | ||
6871 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6872 | zvni = zvni_lookup(vni); |
d62a17ae | 6873 | if (!zvni) { |
af4c2728 | 6874 | flog_err( |
e914ccbe | 6875 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6876 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6877 | vni); | |
d62a17ae | 6878 | continue; |
6879 | } | |
b5ebdc9b | 6880 | |
6881 | ifp = zvni->vxlan_if; | |
6882 | if (!ifp) { | |
af4c2728 | 6883 | flog_err( |
e914ccbe | 6884 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6885 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6886 | zvni->vni, zvni); | |
6887 | continue; | |
6888 | } | |
6889 | ||
b5ebdc9b | 6890 | zif = ifp->info; |
d62a17ae | 6891 | |
b5ebdc9b | 6892 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6893 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6894 | continue; |
6895 | ||
b682f6de | 6896 | /* If the remote VTEP already exists, |
6897 | there's nothing more to do. */ | |
b5ebdc9b | 6898 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6899 | continue; |
6900 | ||
6901 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6902 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6903 | "Failed to add remote VTEP, VNI %u zvni %p", |
6904 | vni, zvni); | |
d62a17ae | 6905 | continue; |
6906 | } | |
6907 | ||
6908 | zvni_vtep_install(zvni, &vtep_ip); | |
6909 | } | |
6910 | ||
ec93aa12 | 6911 | stream_failure: |
8068a649 | 6912 | return; |
13d60d35 | 6913 | } |
6914 | ||
1a98c087 MK |
6915 | /* |
6916 | * Add/Del gateway macip to evpn | |
6917 | * g/w can be: | |
6918 | * 1. SVI interface on a vlan aware bridge | |
6919 | * 2. SVI interface on a vlan unaware bridge | |
6920 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6921 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6922 | */ | |
6923 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6924 | int add) | |
6925 | { | |
6926 | struct ipaddr ip; | |
6927 | struct ethaddr macaddr; | |
6928 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6929 | |
6930 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6931 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6932 | ||
2853fed6 | 6933 | /* Check if EVPN is enabled. */ |
6934 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6935 | return 0; |
6936 | ||
1a98c087 MK |
6937 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6938 | struct interface *svi_if = | |
6939 | NULL; /* SVI corresponding to the MACVLAN */ | |
6940 | struct zebra_if *ifp_zif = | |
6941 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6942 | struct zebra_if *svi_if_zif = | |
6943 | NULL; /* Zebra daemon specific info for SVI*/ | |
6944 | ||
6945 | ifp_zif = ifp->info; | |
6946 | if (!ifp_zif) | |
6947 | return -1; | |
6948 | ||
71349e03 MK |
6949 | /* |
6950 | * for a MACVLAN interface the link represents the svi_if | |
6951 | */ | |
6952 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6953 | ifp_zif->link_ifindex); | |
1a98c087 | 6954 | if (!svi_if) { |
9df414fe QY |
6955 | zlog_debug("MACVLAN %s(%u) without link information", |
6956 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6957 | return -1; |
6958 | } | |
6959 | ||
6960 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6961 | /* |
6962 | * If it is a vlan aware bridge then the link gives the | |
6963 | * bridge information | |
6964 | */ | |
6965 | struct interface *svi_if_link = NULL; | |
6966 | ||
1a98c087 | 6967 | svi_if_zif = svi_if->info; |
71349e03 MK |
6968 | if (svi_if_zif) { |
6969 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6970 | zebra_ns_lookup(NS_DEFAULT), |
6971 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6972 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6973 | } |
1a98c087 | 6974 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6975 | /* |
6976 | * If it is a vlan unaware bridge then svi is the bridge | |
6977 | * itself | |
6978 | */ | |
b7cfce93 | 6979 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6980 | } |
6981 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6982 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6983 | NULL; /* Zebra daemon specific info for SVI */ |
6984 | struct interface *svi_if_link = | |
6985 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6986 | |
6987 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6988 | if (svi_if_zif) { |
6989 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6990 | zebra_ns_lookup(NS_DEFAULT), |
6991 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6992 | if (svi_if_link) |
6993 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6994 | } | |
1a98c087 | 6995 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6996 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6997 | } |
6998 | ||
6999 | if (!zvni) | |
7000 | return 0; | |
7001 | ||
7002 | if (!zvni->vxlan_if) { | |
9df414fe QY |
7003 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
7004 | zvni->vni, zvni); | |
1a98c087 MK |
7005 | return -1; |
7006 | } | |
7007 | ||
1a98c087 | 7008 | |
1a98c087 MK |
7009 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
7010 | ||
7011 | if (p->family == AF_INET) { | |
7012 | ip.ipa_type = IPADDR_V4; | |
7013 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
7014 | sizeof(struct in_addr)); | |
7015 | } else if (p->family == AF_INET6) { | |
7016 | ip.ipa_type = IPADDR_V6; | |
7017 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
7018 | sizeof(struct in6_addr)); | |
7019 | } | |
7020 | ||
7021 | ||
7022 | if (add) | |
7023 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
7024 | else | |
7025 | zvni_gw_macip_del(ifp, zvni, &ip); | |
7026 | ||
7027 | return 0; | |
7028 | } | |
7029 | ||
2232a77c | 7030 | /* |
b7cfce93 MK |
7031 | * Handle SVI interface going down. |
7032 | * SVI can be associated to either L3-VNI or L2-VNI. | |
7033 | * For L2-VNI: At this point, this is a NOP since | |
7034 | * the kernel deletes the neighbor entries on this SVI (if any). | |
7035 | * We only need to update the vrf corresponding to zvni. | |
7036 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
7037 | * from bgp | |
2232a77c | 7038 | */ |
d62a17ae | 7039 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 7040 | { |
b7cfce93 MK |
7041 | zebra_l3vni_t *zl3vni = NULL; |
7042 | ||
7043 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
7044 | if (zl3vni) { | |
7045 | ||
7046 | /* process l3-vni down */ | |
7047 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
7048 | ||
7049 | /* remove association with svi-if */ | |
7050 | zl3vni->svi_if = NULL; | |
7051 | } else { | |
7052 | zebra_vni_t *zvni = NULL; | |
7053 | ||
7054 | /* since we dont have svi corresponding to zvni, we associate it | |
7055 | * to default vrf. Note: the corresponding neigh entries on the | |
7056 | * SVI would have already been deleted */ | |
7057 | zvni = zvni_from_svi(ifp, link_if); | |
7058 | if (zvni) { | |
7059 | zvni->vrf_id = VRF_DEFAULT; | |
7060 | ||
7061 | /* update the tenant vrf in BGP */ | |
7062 | zvni_send_add_to_client(zvni); | |
7063 | } | |
7064 | } | |
d62a17ae | 7065 | return 0; |
2232a77c | 7066 | } |
7067 | ||
7068 | /* | |
b7cfce93 MK |
7069 | * Handle SVI interface coming up. |
7070 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
7071 | * vxlan intf). | |
7072 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
7073 | * apr-suppression) | |
7074 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 7075 | */ |
d62a17ae | 7076 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 7077 | { |
b7cfce93 MK |
7078 | zebra_vni_t *zvni = NULL; |
7079 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 7080 | |
b7cfce93 MK |
7081 | zl3vni = zl3vni_from_svi(ifp, link_if); |
7082 | if (zl3vni) { | |
2232a77c | 7083 | |
b7cfce93 MK |
7084 | /* associate with svi */ |
7085 | zl3vni->svi_if = ifp; | |
2232a77c | 7086 | |
b7cfce93 MK |
7087 | /* process oper-up */ |
7088 | if (is_l3vni_oper_up(zl3vni)) | |
7089 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
7090 | } else { | |
7091 | ||
7092 | /* process SVI up for l2-vni */ | |
7093 | struct neigh_walk_ctx n_wctx; | |
7094 | ||
7095 | zvni = zvni_from_svi(ifp, link_if); | |
7096 | if (!zvni) | |
7097 | return 0; | |
7098 | ||
7099 | if (!zvni->vxlan_if) { | |
9df414fe | 7100 | zlog_debug( |
43e52561 QY |
7101 | "VNI %u hash %p doesn't have intf upon SVI up", |
7102 | zvni->vni, zvni); | |
b7cfce93 MK |
7103 | return -1; |
7104 | } | |
7105 | ||
7106 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
7107 | zlog_debug( |
7108 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
7109 | ifp->name, ifp->ifindex, zvni->vni, | |
7110 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 7111 | |
b7cfce93 MK |
7112 | /* update the vrf information for l2-vni and inform bgp */ |
7113 | zvni->vrf_id = ifp->vrf_id; | |
7114 | zvni_send_add_to_client(zvni); | |
7115 | ||
7116 | /* Install any remote neighbors for this VNI. */ | |
7117 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
7118 | n_wctx.zvni = zvni; | |
996c9314 | 7119 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
7120 | &n_wctx); |
7121 | } | |
2232a77c | 7122 | |
d62a17ae | 7123 | return 0; |
2232a77c | 7124 | } |
7125 | ||
13d60d35 | 7126 | /* |
b7cfce93 | 7127 | * Handle VxLAN interface down |
13d60d35 | 7128 | */ |
d62a17ae | 7129 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 7130 | { |
d62a17ae | 7131 | vni_t vni; |
b7cfce93 MK |
7132 | struct zebra_if *zif = NULL; |
7133 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 7134 | zebra_l3vni_t *zl3vni = NULL; |
7135 | zebra_vni_t *zvni; | |
13d60d35 | 7136 | |
2853fed6 | 7137 | /* Check if EVPN is enabled. */ |
7138 | if (!is_evpn_enabled()) | |
d62a17ae | 7139 | return 0; |
13d60d35 | 7140 | |
d62a17ae | 7141 | zif = ifp->info; |
7142 | assert(zif); | |
7143 | vxl = &zif->l2info.vxl; | |
7144 | vni = vxl->vni; | |
13d60d35 | 7145 | |
643215ce | 7146 | zl3vni = zl3vni_lookup(vni); |
7147 | if (zl3vni) { | |
b7cfce93 | 7148 | /* process-if-down for l3-vni */ |
b7cfce93 | 7149 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
7150 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
7151 | ifp->ifindex, vni); | |
b7cfce93 | 7152 | |
b7cfce93 | 7153 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
7154 | } else { |
7155 | /* process if-down for l2-vni */ | |
b7cfce93 | 7156 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
7157 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
7158 | ifp->ifindex, vni); | |
13d60d35 | 7159 | |
b7cfce93 MK |
7160 | /* Locate hash entry; it is expected to exist. */ |
7161 | zvni = zvni_lookup(vni); | |
7162 | if (!zvni) { | |
9df414fe | 7163 | zlog_debug( |
b7cfce93 MK |
7164 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
7165 | ifp->name, ifp->ifindex, vni); | |
7166 | return -1; | |
7167 | } | |
13d60d35 | 7168 | |
b7cfce93 | 7169 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 7170 | |
b7cfce93 MK |
7171 | /* Delete this VNI from BGP. */ |
7172 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 7173 | |
b7cfce93 MK |
7174 | /* Free up all neighbors and MACs, if any. */ |
7175 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
7176 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 7177 | |
b7cfce93 MK |
7178 | /* Free up all remote VTEPs, if any. */ |
7179 | zvni_vtep_del_all(zvni, 1); | |
7180 | } | |
d62a17ae | 7181 | return 0; |
13d60d35 | 7182 | } |
7183 | ||
7184 | /* | |
7185 | * Handle VxLAN interface up - update BGP if required. | |
7186 | */ | |
d62a17ae | 7187 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 7188 | { |
d62a17ae | 7189 | vni_t vni; |
b7cfce93 MK |
7190 | struct zebra_if *zif = NULL; |
7191 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 7192 | zebra_vni_t *zvni = NULL; |
7193 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 7194 | |
2853fed6 | 7195 | /* Check if EVPN is enabled. */ |
7196 | if (!is_evpn_enabled()) | |
d62a17ae | 7197 | return 0; |
13d60d35 | 7198 | |
d62a17ae | 7199 | zif = ifp->info; |
7200 | assert(zif); | |
7201 | vxl = &zif->l2info.vxl; | |
7202 | vni = vxl->vni; | |
13d60d35 | 7203 | |
643215ce | 7204 | zl3vni = zl3vni_lookup(vni); |
7205 | if (zl3vni) { | |
13d60d35 | 7206 | |
b7cfce93 | 7207 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
7208 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
7209 | ifp->ifindex, vni); | |
13d60d35 | 7210 | |
b7cfce93 | 7211 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 7212 | * svi-if only after association with vxlan-intf is complete |
7213 | */ | |
b7cfce93 MK |
7214 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
7215 | ||
7216 | if (is_l3vni_oper_up(zl3vni)) | |
7217 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
7218 | } else { | |
7219 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
7220 | struct interface *vlan_if = NULL; |
7221 | ||
7222 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
7223 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
7224 | ifp->ifindex, vni); | |
b7cfce93 MK |
7225 | |
7226 | /* Locate hash entry; it is expected to exist. */ | |
7227 | zvni = zvni_lookup(vni); | |
7228 | if (!zvni) { | |
9df414fe | 7229 | zlog_debug( |
b7cfce93 MK |
7230 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
7231 | ifp->name, ifp->ifindex, vni); | |
7232 | return -1; | |
7233 | } | |
7234 | ||
7235 | assert(zvni->vxlan_if == ifp); | |
7236 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
7237 | zif->brslave_info.br_if); | |
7238 | if (vlan_if) { | |
7239 | zvni->vrf_id = vlan_if->vrf_id; | |
7240 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
7241 | if (zl3vni) | |
7242 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
7243 | } | |
7244 | ||
7245 | /* If part of a bridge, inform BGP about this VNI. */ | |
7246 | /* Also, read and populate local MACs and neighbors. */ | |
7247 | if (zif->brslave_info.br_if) { | |
7248 | zvni_send_add_to_client(zvni); | |
7249 | zvni_read_mac_neigh(zvni, ifp); | |
7250 | } | |
d62a17ae | 7251 | } |
13d60d35 | 7252 | |
d62a17ae | 7253 | return 0; |
13d60d35 | 7254 | } |
7255 | ||
7256 | /* | |
7257 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
7258 | * and update BGP, if required. | |
7259 | */ | |
d62a17ae | 7260 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 7261 | { |
d62a17ae | 7262 | vni_t vni; |
b7cfce93 MK |
7263 | struct zebra_if *zif = NULL; |
7264 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 7265 | zebra_vni_t *zvni = NULL; |
7266 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 7267 | |
2853fed6 | 7268 | /* Check if EVPN is enabled. */ |
7269 | if (!is_evpn_enabled()) | |
d62a17ae | 7270 | return 0; |
13d60d35 | 7271 | |
d62a17ae | 7272 | zif = ifp->info; |
7273 | assert(zif); | |
7274 | vxl = &zif->l2info.vxl; | |
7275 | vni = vxl->vni; | |
13d60d35 | 7276 | |
643215ce | 7277 | zl3vni = zl3vni_lookup(vni); |
7278 | if (zl3vni) { | |
b7cfce93 MK |
7279 | |
7280 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
7281 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
7282 | ifp->ifindex); | |
13d60d35 | 7283 | |
b7cfce93 MK |
7284 | /* process oper-down for l3-vni */ |
7285 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 7286 | |
b7cfce93 | 7287 | /* remove the association with vxlan_if */ |
b67a60d2 | 7288 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
7289 | zl3vni->vxlan_if = NULL; |
7290 | } else { | |
13d60d35 | 7291 | |
b7cfce93 | 7292 | /* process if-del for l2-vni*/ |
b7cfce93 | 7293 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
7294 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
7295 | ifp->ifindex); | |
b7cfce93 MK |
7296 | |
7297 | /* Locate hash entry; it is expected to exist. */ | |
7298 | zvni = zvni_lookup(vni); | |
7299 | if (!zvni) { | |
9df414fe | 7300 | zlog_debug( |
b7cfce93 MK |
7301 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
7302 | ifp->name, ifp->ifindex, vni); | |
7303 | return 0; | |
7304 | } | |
7305 | ||
7306 | /* remove from l3-vni list */ | |
7307 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
7308 | if (zl3vni) | |
7309 | listnode_delete(zl3vni->l2vnis, zvni); | |
7310 | ||
7311 | /* Delete VNI from BGP. */ | |
7312 | zvni_send_del_to_client(zvni->vni); | |
7313 | ||
7314 | /* Free up all neighbors and MAC, if any. */ | |
7315 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
7316 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
7317 | ||
7318 | /* Free up all remote VTEPs, if any. */ | |
7319 | zvni_vtep_del_all(zvni, 0); | |
7320 | ||
7321 | /* Delete the hash entry. */ | |
7322 | if (zvni_del(zvni)) { | |
e914ccbe | 7323 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
7324 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
7325 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
7326 | return -1; |
7327 | } | |
d62a17ae | 7328 | } |
d62a17ae | 7329 | return 0; |
13d60d35 | 7330 | } |
7331 | ||
7332 | /* | |
7333 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
7334 | */ | |
d7c0a89a | 7335 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 7336 | { |
d62a17ae | 7337 | vni_t vni; |
b7cfce93 MK |
7338 | struct zebra_if *zif = NULL; |
7339 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 7340 | zebra_vni_t *zvni = NULL; |
7341 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 7342 | |
2853fed6 | 7343 | /* Check if EVPN is enabled. */ |
7344 | if (!is_evpn_enabled()) | |
d62a17ae | 7345 | return 0; |
7346 | ||
7347 | zif = ifp->info; | |
7348 | assert(zif); | |
7349 | vxl = &zif->l2info.vxl; | |
7350 | vni = vxl->vni; | |
7351 | ||
643215ce | 7352 | zl3vni = zl3vni_lookup(vni); |
7353 | if (zl3vni) { | |
af026ae4 | 7354 | |
b7cfce93 MK |
7355 | if (IS_ZEBRA_DEBUG_VXLAN) |
7356 | zlog_debug( | |
7357 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
7358 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
7359 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
7360 | zif->brslave_info.bridge_ifindex, chgflags); |
7361 | ||
7362 | /* Removed from bridge? Cleanup and return */ | |
7363 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
7364 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
7365 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
7366 | return 0; | |
7367 | } | |
7368 | ||
7369 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 7370 | * svi_if and then process oper up again |
7371 | */ | |
b7cfce93 MK |
7372 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
7373 | if (if_is_operative(ifp)) { | |
7374 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
7375 | zl3vni->svi_if = NULL; | |
7376 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 7377 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
7378 | if (is_l3vni_oper_up(zl3vni)) |
7379 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 7380 | zl3vni); |
b7cfce93 MK |
7381 | } |
7382 | } | |
d62a17ae | 7383 | |
12eeac84 MK |
7384 | /* |
7385 | * local-ip change - process oper down, associate with new | |
7386 | * local-ip and then process oper up again | |
7387 | */ | |
7388 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
7389 | if (if_is_operative(ifp)) { | |
7390 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
7391 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
7392 | if (is_l3vni_oper_up(zl3vni)) | |
7393 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 7394 | zl3vni); |
12eeac84 MK |
7395 | } |
7396 | } | |
7397 | ||
bca63dc8 MK |
7398 | /* Update local tunnel IP. */ |
7399 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
7400 | ||
12eeac84 MK |
7401 | /* if we have a valid new master, process l3-vni oper up */ |
7402 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
7403 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
7404 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
7405 | } | |
7406 | } else { | |
d62a17ae | 7407 | |
b7cfce93 MK |
7408 | /* Update VNI hash. */ |
7409 | zvni = zvni_lookup(vni); | |
7410 | if (!zvni) { | |
9df414fe | 7411 | zlog_debug( |
b7cfce93 MK |
7412 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
7413 | ifp->name, ifp->ifindex, vni); | |
7414 | return -1; | |
7415 | } | |
d62a17ae | 7416 | |
b7cfce93 MK |
7417 | if (IS_ZEBRA_DEBUG_VXLAN) |
7418 | zlog_debug( | |
7419 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
7420 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
7421 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
7422 | zif->brslave_info.bridge_ifindex, chgflags); |
7423 | ||
7424 | /* Removed from bridge? Cleanup and return */ | |
7425 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
7426 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
7427 | /* Delete from client, remove all remote VTEPs */ | |
7428 | /* Also, free up all MACs and neighbors. */ | |
7429 | zvni_send_del_to_client(zvni->vni); | |
7430 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
7431 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
7432 | zvni_vtep_del_all(zvni, 1); | |
7433 | return 0; | |
7434 | } | |
d62a17ae | 7435 | |
b7cfce93 MK |
7436 | /* Handle other changes. */ |
7437 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
7438 | /* Remove all existing local neigh and MACs for this VNI | |
7439 | * (including from BGP) | |
7440 | */ | |
7441 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
7442 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
7443 | } | |
d62a17ae | 7444 | |
b7cfce93 MK |
7445 | zvni->local_vtep_ip = vxl->vtep_ip; |
7446 | zvni->vxlan_if = ifp; | |
d62a17ae | 7447 | |
b7cfce93 MK |
7448 | /* Take further actions needed. |
7449 | * Note that if we are here, there is a change of interest. | |
7450 | */ | |
7451 | /* If down or not mapped to a bridge, we're done. */ | |
7452 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
7453 | return 0; | |
d62a17ae | 7454 | |
b7cfce93 MK |
7455 | /* Inform BGP, if there is a change of interest. */ |
7456 | if (chgflags | |
7457 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
7458 | zvni_send_add_to_client(zvni); | |
7459 | ||
7460 | /* If there is a valid new master or a VLAN mapping change, | |
7461 | * read and populate local MACs and neighbors. | |
7462 | * Also, reinstall any remote MACs and neighbors | |
7463 | * for this VNI (based on new VLAN). | |
7464 | */ | |
7465 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
7466 | zvni_read_mac_neigh(zvni, ifp); | |
7467 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
7468 | struct mac_walk_ctx m_wctx; | |
7469 | struct neigh_walk_ctx n_wctx; | |
7470 | ||
7471 | zvni_read_mac_neigh(zvni, ifp); | |
7472 | ||
7473 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
7474 | m_wctx.zvni = zvni; | |
996c9314 | 7475 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
7476 | &m_wctx); |
7477 | ||
7478 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
7479 | n_wctx.zvni = zvni; | |
7480 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
7481 | &n_wctx); | |
7482 | } | |
d62a17ae | 7483 | } |
7484 | ||
7485 | return 0; | |
13d60d35 | 7486 | } |
7487 | ||
7488 | /* | |
7489 | * Handle VxLAN interface add. | |
7490 | */ | |
d62a17ae | 7491 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 7492 | { |
d62a17ae | 7493 | vni_t vni; |
b7cfce93 MK |
7494 | struct zebra_if *zif = NULL; |
7495 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 7496 | zebra_vni_t *zvni = NULL; |
7497 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 7498 | |
2853fed6 | 7499 | /* Check if EVPN is enabled. */ |
7500 | if (!is_evpn_enabled()) | |
d62a17ae | 7501 | return 0; |
13d60d35 | 7502 | |
d62a17ae | 7503 | zif = ifp->info; |
7504 | assert(zif); | |
7505 | vxl = &zif->l2info.vxl; | |
7506 | vni = vxl->vni; | |
13d60d35 | 7507 | |
643215ce | 7508 | zl3vni = zl3vni_lookup(vni); |
7509 | if (zl3vni) { | |
13d60d35 | 7510 | |
b7cfce93 | 7511 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
7512 | if (IS_ZEBRA_DEBUG_VXLAN) |
7513 | zlog_debug( | |
7514 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
7515 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
7516 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
7517 | zif->brslave_info.bridge_ifindex); |
7518 | ||
b7cfce93 | 7519 | /* associate with vxlan_if */ |
b67a60d2 | 7520 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
7521 | zl3vni->vxlan_if = ifp; |
7522 | ||
7523 | /* Associate with SVI, if any. We can associate with svi-if only | |
7524 | * after association with vxlan_if is complete */ | |
7525 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
7526 | ||
7527 | if (is_l3vni_oper_up(zl3vni)) | |
7528 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
7529 | } else { | |
7530 | ||
7531 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
7532 | struct interface *vlan_if = NULL; |
7533 | ||
7534 | /* Create or update VNI hash. */ | |
7535 | zvni = zvni_lookup(vni); | |
7536 | if (!zvni) { | |
7537 | zvni = zvni_add(vni); | |
7538 | if (!zvni) { | |
af4c2728 | 7539 | flog_err( |
e914ccbe | 7540 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
7541 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
7542 | ifp->name, ifp->ifindex, vni); | |
7543 | return -1; | |
7544 | } | |
7545 | } | |
7546 | ||
7547 | zvni->local_vtep_ip = vxl->vtep_ip; | |
7548 | zvni->vxlan_if = ifp; | |
7549 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
7550 | zif->brslave_info.br_if); | |
7551 | if (vlan_if) { | |
7552 | zvni->vrf_id = vlan_if->vrf_id; | |
7553 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
7554 | if (zl3vni) | |
7555 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
7556 | } | |
7557 | ||
7558 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7559 | zlog_debug( | |
7560 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
7561 | vni, | |
996c9314 LB |
7562 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
7563 | : "Default", | |
7564 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
7565 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
7566 | zif->brslave_info.bridge_ifindex); |
7567 | ||
7568 | /* If down or not mapped to a bridge, we're done. */ | |
7569 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
7570 | return 0; | |
7571 | ||
7572 | /* Inform BGP */ | |
7573 | zvni_send_add_to_client(zvni); | |
7574 | ||
7575 | /* Read and populate local MACs and neighbors */ | |
7576 | zvni_read_mac_neigh(zvni, ifp); | |
7577 | } | |
7578 | ||
7579 | return 0; | |
7580 | } | |
7581 | ||
996c9314 LB |
7582 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
7583 | char *err, int err_str_sz, int filter, | |
7584 | int add) | |
b7cfce93 MK |
7585 | { |
7586 | zebra_l3vni_t *zl3vni = NULL; | |
7587 | struct zebra_vrf *zvrf_default = NULL; | |
7588 | ||
7589 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
7590 | if (!zvrf_default) | |
7591 | return -1; | |
7592 | ||
7593 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 7594 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
7595 | add ? "ADD" : "DEL"); |
7596 | ||
7597 | if (add) { | |
7598 | ||
7599 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
7600 | ||
7601 | /* check if the vni is already present under zvrf */ | |
7602 | if (zvrf->l3vni) { | |
3f02fbab | 7603 | snprintf(err, err_str_sz, |
b7cfce93 MK |
7604 | "VNI is already configured under the vrf"); |
7605 | return -1; | |
7606 | } | |
7607 | ||
7608 | /* check if this VNI is already present in the system */ | |
7609 | zl3vni = zl3vni_lookup(vni); | |
7610 | if (zl3vni) { | |
3f02fbab | 7611 | snprintf(err, err_str_sz, |
b7cfce93 MK |
7612 | "VNI is already configured as L3-VNI"); |
7613 | return -1; | |
7614 | } | |
7615 | ||
7616 | /* add the L3-VNI to the global table */ | |
7617 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
7618 | if (!zl3vni) { | |
996c9314 | 7619 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
7620 | return -1; |
7621 | } | |
7622 | ||
7623 | /* associate the vrf with vni */ | |
7624 | zvrf->l3vni = vni; | |
7625 | ||
c48d9f5f MK |
7626 | /* set the filter in l3vni to denote if we are using l3vni only |
7627 | * for prefix routes | |
7628 | */ | |
7629 | if (filter) | |
7630 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
7631 | ||
b7cfce93 | 7632 | /* associate with vxlan-intf; |
523cafc4 | 7633 | * we need to associate with the vxlan-intf first |
7634 | */ | |
b7cfce93 MK |
7635 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
7636 | ||
7637 | /* associate with corresponding SVI interface, we can associate | |
7638 | * with svi-if only after vxlan interface association is | |
523cafc4 | 7639 | * complete |
7640 | */ | |
b7cfce93 MK |
7641 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
7642 | ||
7643 | /* formulate l2vni list */ | |
996c9314 LB |
7644 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
7645 | zl3vni); | |
b7cfce93 MK |
7646 | |
7647 | if (is_l3vni_oper_up(zl3vni)) | |
7648 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
7649 | ||
7650 | } else { | |
7651 | zl3vni = zl3vni_lookup(vni); | |
7652 | if (!zl3vni) { | |
3f02fbab | 7653 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 7654 | return -1; |
7655 | } | |
b7cfce93 | 7656 | |
cf299714 MK |
7657 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
7658 | snprintf(err, ERR_STR_SZ, | |
7659 | "prefix-routes-only is not set for the vni"); | |
7660 | return -1; | |
7661 | } | |
7662 | ||
b7cfce93 MK |
7663 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
7664 | ||
5e06422c | 7665 | /* delete and uninstall all rmacs */ |
996c9314 | 7666 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
7667 | zl3vni); |
7668 | ||
7669 | /* delete and uninstall all next-hops */ | |
996c9314 | 7670 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
7671 | zl3vni); |
7672 | ||
b7cfce93 MK |
7673 | zvrf->l3vni = 0; |
7674 | zl3vni_del(zl3vni); | |
7675 | ||
7676 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 7677 | } |
b7cfce93 MK |
7678 | return 0; |
7679 | } | |
13d60d35 | 7680 | |
84915b0a | 7681 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
7682 | { | |
7683 | zebra_l3vni_t *zl3vni = NULL; | |
7684 | ||
7685 | if (zvrf->l3vni) | |
7686 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
7687 | if (!zl3vni) | |
7688 | return 0; | |
7689 | ||
7690 | zl3vni->vrf_id = zvrf_id(zvrf); | |
7691 | if (is_l3vni_oper_up(zl3vni)) | |
7692 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
7693 | return 0; | |
7694 | } | |
7695 | ||
7696 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
7697 | { |
7698 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 7699 | |
84915b0a | 7700 | if (zvrf->l3vni) |
7701 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 7702 | if (!zl3vni) |
d62a17ae | 7703 | return 0; |
13d60d35 | 7704 | |
84915b0a | 7705 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 7706 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 7707 | return 0; |
7708 | } | |
7709 | ||
7710 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
7711 | { | |
7712 | zebra_l3vni_t *zl3vni = NULL; | |
7713 | vni_t vni; | |
7714 | ||
7715 | if (zvrf->l3vni) | |
7716 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
7717 | if (!zl3vni) | |
7718 | return 0; | |
7719 | ||
7720 | vni = zl3vni->vni; | |
b7cfce93 | 7721 | zl3vni_del(zl3vni); |
84915b0a | 7722 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 7723 | |
d62a17ae | 7724 | return 0; |
13d60d35 | 7725 | } |
7726 | ||
fbac9605 DS |
7727 | /* |
7728 | * Handle message from client to specify the flooding mechanism for | |
7729 | * BUM packets. The default is to do head-end (ingress) replication | |
7730 | * and the other supported option is to disable it. This applies to | |
7731 | * all BUM traffic and disabling it applies to both the transmit and | |
7732 | * receive direction. | |
7733 | */ | |
7734 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
7735 | { | |
7736 | struct stream *s; | |
7737 | enum vxlan_flood_control flood_ctrl; | |
7738 | ||
7739 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
7740 | zlog_err("EVPN flood control for non-default VRF %u", | |
7741 | zvrf_id(zvrf)); | |
7742 | return; | |
7743 | } | |
7744 | ||
7745 | s = msg; | |
7746 | STREAM_GETC(s, flood_ctrl); | |
7747 | ||
7748 | if (IS_ZEBRA_DEBUG_VXLAN) | |
7749 | zlog_debug("EVPN flood control %u, currently %u", | |
7750 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
7751 | ||
7752 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
7753 | return; | |
7754 | ||
7755 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
7756 | ||
7757 | /* Install or uninstall flood entries corresponding to | |
7758 | * remote VTEPs. | |
7759 | */ | |
7760 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
7761 | zvrf); | |
7762 | ||
7763 | stream_failure: | |
7764 | return; | |
7765 | } | |
7766 | ||
31310b25 MK |
7767 | /* |
7768 | * Handle message from client to enable/disable advertisement of g/w macip | |
7769 | * routes | |
7770 | */ | |
89f4e507 | 7771 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
7772 | { |
7773 | struct stream *s; | |
7774 | int advertise; | |
7775 | vni_t vni = 0; | |
7776 | zebra_vni_t *zvni = NULL; | |
7777 | struct interface *ifp = NULL; | |
7778 | struct zebra_if *zif = NULL; | |
7779 | struct zebra_l2info_vxlan zl2_info; | |
7780 | struct interface *vlan_if = NULL; | |
7781 | ||
7782 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
7783 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
7784 | zvrf_id(zvrf)); | |
8068a649 | 7785 | return; |
31310b25 MK |
7786 | } |
7787 | ||
1002497a | 7788 | s = msg; |
2017b3ea | 7789 | STREAM_GETC(s, advertise); |
31310b25 MK |
7790 | vni = stream_get3(s); |
7791 | ||
7792 | zvni = zvni_lookup(vni); | |
7793 | if (!zvni) | |
8068a649 | 7794 | return; |
31310b25 MK |
7795 | |
7796 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 7797 | return; |
31310b25 MK |
7798 | |
7799 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
7800 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
7801 | advertise ? "enabled" : "disabled", vni, | |
7802 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
7803 | |
7804 | ||
7805 | zvni->advertise_subnet = advertise; | |
7806 | ||
7807 | ifp = zvni->vxlan_if; | |
7808 | if (!ifp) | |
8068a649 | 7809 | return; |
31310b25 MK |
7810 | |
7811 | zif = ifp->info; | |
7812 | ||
7813 | /* If down or not mapped to a bridge, we're done. */ | |
7814 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 7815 | return; |
31310b25 MK |
7816 | |
7817 | zl2_info = zif->l2info.vxl; | |
7818 | ||
996c9314 LB |
7819 | vlan_if = |
7820 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 7821 | if (!vlan_if) |
8068a649 | 7822 | return; |
31310b25 MK |
7823 | |
7824 | if (zvni->advertise_subnet) | |
7825 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
7826 | else | |
7827 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
7828 | |
7829 | stream_failure: | |
7830 | return; | |
31310b25 MK |
7831 | } |
7832 | ||
1a98c087 MK |
7833 | /* |
7834 | * Handle message from client to enable/disable advertisement of g/w macip | |
7835 | * routes | |
7836 | */ | |
89f4e507 | 7837 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
7838 | { |
7839 | struct stream *s; | |
7840 | int advertise; | |
7841 | vni_t vni = 0; | |
7842 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 7843 | struct interface *ifp = NULL; |
1a98c087 | 7844 | |
2853fed6 | 7845 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7846 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
7847 | zvrf_id(zvrf)); | |
8068a649 | 7848 | return; |
2853fed6 | 7849 | } |
7850 | ||
1002497a | 7851 | s = msg; |
ec93aa12 | 7852 | STREAM_GETC(s, advertise); |
cc6d5476 | 7853 | STREAM_GETL(s, vni); |
1a98c087 MK |
7854 | |
7855 | if (!vni) { | |
7856 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 7857 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 7858 | advertise ? "enabled" : "disabled", |
2853fed6 | 7859 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
7860 | ? "enabled" |
7861 | : "disabled"); | |
7862 | ||
7863 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 7864 | return; |
1a98c087 MK |
7865 | |
7866 | zvrf->advertise_gw_macip = advertise; | |
7867 | ||
2853fed6 | 7868 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 7869 | hash_iterate(zvrf->vni_table, |
2853fed6 | 7870 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
7871 | else |
7872 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 7873 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
7874 | |
7875 | } else { | |
7876 | struct zebra_if *zif = NULL; | |
7877 | struct zebra_l2info_vxlan zl2_info; | |
7878 | struct interface *vlan_if = NULL; | |
7879 | struct interface *vrr_if = NULL; | |
7880 | ||
01a6143b MK |
7881 | zvni = zvni_lookup(vni); |
7882 | if (!zvni) | |
124ead27 | 7883 | return; |
01a6143b | 7884 | |
1a98c087 MK |
7885 | if (IS_ZEBRA_DEBUG_VXLAN) |
7886 | zlog_debug( | |
2853fed6 | 7887 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 7888 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
7889 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7890 | : "disabled"); | |
1a98c087 | 7891 | |
1a98c087 | 7892 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7893 | return; |
1a98c087 MK |
7894 | |
7895 | zvni->advertise_gw_macip = advertise; | |
7896 | ||
b5ebdc9b | 7897 | ifp = zvni->vxlan_if; |
7898 | if (!ifp) | |
8068a649 | 7899 | return; |
b5ebdc9b | 7900 | |
7901 | zif = ifp->info; | |
7902 | ||
7903 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7904 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7905 | return; |
b5ebdc9b | 7906 | |
1a98c087 MK |
7907 | zl2_info = zif->l2info.vxl; |
7908 | ||
2853fed6 | 7909 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7910 | zif->brslave_info.br_if); |
7911 | if (!vlan_if) | |
8068a649 | 7912 | return; |
1a98c087 | 7913 | |
2853fed6 | 7914 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7915 | /* Add primary SVI MAC-IP */ |
7916 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7917 | ||
7918 | /* Add VRR MAC-IP - if any*/ | |
7919 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7920 | if (vrr_if) | |
7921 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7922 | } else { | |
7923 | /* Del primary MAC-IP */ | |
7924 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7925 | ||
7926 | /* Del VRR MAC-IP - if any*/ | |
7927 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7928 | if (vrr_if) | |
7929 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7930 | } | |
7931 | } | |
7932 | ||
ec93aa12 | 7933 | stream_failure: |
8068a649 | 7934 | return; |
1a98c087 MK |
7935 | } |
7936 | ||
7937 | ||
13d60d35 | 7938 | /* |
7939 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7940 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7941 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7942 | * uninstalled from the kernel. | |
fbac9605 DS |
7943 | * This also informs the setting for BUM handling at the time this change |
7944 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 7945 | */ |
89f4e507 | 7946 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7947 | { |
655b04d1 MK |
7948 | struct stream *s = NULL; |
7949 | int advertise = 0; | |
fbac9605 | 7950 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 7951 | |
2853fed6 | 7952 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7953 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7954 | zvrf_id(zvrf)); | |
8068a649 | 7955 | return; |
2853fed6 | 7956 | } |
7957 | ||
1002497a | 7958 | s = msg; |
ec93aa12 | 7959 | STREAM_GETC(s, advertise); |
fbac9605 | 7960 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 7961 | |
d62a17ae | 7962 | if (IS_ZEBRA_DEBUG_VXLAN) |
fbac9605 | 7963 | zlog_debug("EVPN VNI Adv %s, currently %s, flood control %u", |
d62a17ae | 7964 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
7965 | is_evpn_enabled() ? "enabled" : "disabled", |
7966 | flood_ctrl); | |
13d60d35 | 7967 | |
d62a17ae | 7968 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7969 | return; |
13d60d35 | 7970 | |
d62a17ae | 7971 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7972 | if (is_evpn_enabled()) { |
fbac9605 DS |
7973 | /* Note BUM handling */ |
7974 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
7975 | ||
d62a17ae | 7976 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7977 | zvni_build_hash_table(); |
2232a77c | 7978 | |
1a98c087 MK |
7979 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7980 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7981 | NULL); |
1a98c087 | 7982 | |
d62a17ae | 7983 | /* Read the MAC FDB */ |
7984 | macfdb_read(zvrf->zns); | |
2232a77c | 7985 | |
d62a17ae | 7986 | /* Read neighbors */ |
7987 | neigh_read(zvrf->zns); | |
7988 | } else { | |
7989 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7990 | * kernel and free entries. | |
7991 | */ | |
7992 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7993 | |
7994 | /* cleanup all l3vnis */ | |
89272910 | 7995 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
d62a17ae | 7996 | } |
13d60d35 | 7997 | |
ec93aa12 | 7998 | stream_failure: |
8068a649 | 7999 | return; |
13d60d35 | 8000 | } |
8001 | ||
8002 | /* | |
8003 | * Allocate VNI hash table for this VRF and do other initialization. | |
8004 | * NOTE: Currently supported only for default VRF. | |
8005 | */ | |
d62a17ae | 8006 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 8007 | { |
d62a17ae | 8008 | if (!zvrf) |
8009 | return; | |
8010 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
8011 | "Zebra VRF VNI Table"); | |
13d60d35 | 8012 | } |
8013 | ||
84915b0a | 8014 | /* Cleanup VNI info, but don't free the table. */ |
8015 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
8016 | { | |
8017 | if (!zvrf) | |
8018 | return; | |
8019 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
8020 | } | |
8021 | ||
13d60d35 | 8022 | /* Close all VNI handling */ |
d62a17ae | 8023 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 8024 | { |
2853fed6 | 8025 | if (!zvrf) |
8026 | return; | |
d62a17ae | 8027 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 8028 | hash_free(zvrf->vni_table); |
13d60d35 | 8029 | } |
b7cfce93 MK |
8030 | |
8031 | /* init the l3vni table */ | |
8032 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
8033 | { | |
89272910 DS |
8034 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
8035 | "Zebra VRF L3 VNI table"); | |
b7cfce93 MK |
8036 | } |
8037 | ||
8038 | /* free l3vni table */ | |
8039 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
8040 | { | |
89272910 | 8041 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 8042 | } |
d3135ba3 | 8043 | |
8044 | /* get the l3vni svi ifindex */ | |
8045 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
8046 | { | |
8047 | zebra_l3vni_t *zl3vni = NULL; | |
8048 | ||
8049 | zl3vni = zl3vni_from_vrf(vrf_id); | |
8050 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
8051 | return 0; | |
8052 | ||
8053 | return zl3vni->svi_if->ifindex; | |
8054 | } | |
c80a972c CS |
8055 | |
8056 | static int zebra_vxlan_dad_ip_auto_recovery_exp(struct thread *t) | |
8057 | { | |
8058 | struct zebra_vrf *zvrf = NULL; | |
8059 | zebra_neigh_t *nbr = NULL; | |
8060 | zebra_vni_t *zvni = NULL; | |
8061 | char buf1[INET6_ADDRSTRLEN]; | |
8062 | char buf2[ETHER_ADDR_STRLEN]; | |
8063 | ||
8064 | nbr = THREAD_ARG(t); | |
8065 | ||
8066 | /* since this is asynchronous we need sanity checks*/ | |
8067 | zvrf = vrf_info_lookup(nbr->zvni->vrf_id); | |
8068 | if (!zvrf) | |
8069 | goto exit; | |
8070 | ||
8071 | zvni = zvni_lookup(nbr->zvni->vni); | |
8072 | if (!zvni) | |
8073 | goto exit; | |
8074 | ||
8075 | nbr = zvni_neigh_lookup(zvni, &nbr->ip); | |
8076 | if (!nbr) | |
8077 | goto exit; | |
8078 | ||
8079 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8080 | zlog_debug("%s: duplicate addr MAC %s IP %s flags 0x%x learn count %u vni %u auto recovery expired", | |
8081 | __PRETTY_FUNCTION__, | |
8082 | prefix_mac2str(&nbr->emac, buf1, sizeof(buf1)), | |
8083 | ipaddr2str(&nbr->ip, buf2, sizeof(buf2)), | |
8084 | nbr->flags, | |
8085 | nbr->dad_count, zvni->vni); | |
8086 | ||
8087 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
8088 | nbr->dad_count = 0; | |
8089 | nbr->detect_start_time.tv_sec = 0; | |
8090 | nbr->detect_start_time.tv_usec = 0; | |
8091 | nbr->dad_dup_detect_time = 0; | |
8092 | nbr->dad_ip_auto_recovery_timer = NULL; | |
8093 | ||
8094 | /* Send to BGP */ | |
8095 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) { | |
8096 | zvni_neigh_send_add_to_client(zvni->vni, &nbr->ip, &nbr->emac, | |
8097 | nbr->flags, nbr->loc_seq); | |
8098 | } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) { | |
8099 | zvni_neigh_install(zvni, nbr); | |
8100 | } | |
8101 | ||
8102 | exit: | |
8103 | return 0; | |
8104 | } | |
8105 | ||
8106 | static int zebra_vxlan_dad_mac_auto_recovery_exp(struct thread *t) | |
8107 | { | |
8108 | struct zebra_vrf *zvrf = NULL; | |
8109 | zebra_mac_t *mac = NULL; | |
8110 | zebra_vni_t *zvni = NULL; | |
8111 | struct listnode *node = NULL; | |
8112 | zebra_neigh_t *nbr = NULL; | |
8113 | char buf[ETHER_ADDR_STRLEN]; | |
8114 | ||
8115 | mac = THREAD_ARG(t); | |
8116 | ||
8117 | /* since this is asynchronous we need sanity checks*/ | |
8118 | zvrf = vrf_info_lookup(mac->zvni->vrf_id); | |
8119 | if (!zvrf) | |
8120 | goto exit; | |
8121 | ||
8122 | zvni = zvni_lookup(mac->zvni->vni); | |
8123 | if (!zvni) | |
8124 | goto exit; | |
8125 | ||
8126 | mac = zvni_mac_lookup(zvni, &mac->macaddr); | |
8127 | if (!mac) | |
8128 | goto exit; | |
8129 | ||
8130 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8131 | zlog_debug("%s: duplicate addr mac %s flags 0x%x learn count %u host count %u auto recovery expired", | |
8132 | __PRETTY_FUNCTION__, | |
8133 | prefix_mac2str(&mac->macaddr, buf, sizeof(buf)), | |
8134 | mac->flags, | |
8135 | mac->dad_count, | |
8136 | listcount(mac->neigh_list)); | |
8137 | ||
8138 | /* Remove all IPs as duplicate associcated with this MAC */ | |
8139 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) { | |
8140 | if (nbr->dad_count) { | |
8141 | if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) | |
8142 | ZEBRA_NEIGH_SET_INACTIVE(nbr); | |
8143 | else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) | |
8144 | zvni_neigh_install(zvni, nbr); | |
8145 | } | |
8146 | ||
8147 | UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE); | |
8148 | nbr->dad_count = 0; | |
8149 | nbr->detect_start_time.tv_sec = 0; | |
8150 | nbr->dad_dup_detect_time = 0; | |
8151 | } | |
8152 | ||
8153 | UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE); | |
8154 | mac->dad_count = 0; | |
8155 | mac->detect_start_time.tv_sec = 0; | |
8156 | mac->detect_start_time.tv_usec = 0; | |
8157 | mac->dad_dup_detect_time = 0; | |
8158 | mac->dad_mac_auto_recovery_timer = NULL; | |
8159 | ||
8160 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
8161 | /* Inform to BGP */ | |
8162 | if (zvni_mac_send_add_to_client(zvni->vni, &mac->macaddr, | |
8163 | mac->flags, mac->loc_seq)) | |
8164 | return -1; | |
8165 | ||
8166 | /* Process all neighbors associated with this MAC. */ | |
8167 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
8168 | ||
8169 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
8170 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
8171 | ||
8172 | /* Install the entry. */ | |
8173 | zvni_mac_install(zvni, mac); | |
8174 | } | |
8175 | ||
8176 | exit: | |
8177 | return 0; | |
8178 | } |