2 * Copyright (C) 2018 Cumulus Networks, Inc.
5 * This file is part of FRR.
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
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.
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
25 #include "lib/frratomic.h"
27 #include "zebra_router.h"
28 #include "zebra_pbr.h"
29 #include "zebra_vxlan.h"
30 #include "zebra_mlag.h"
31 #include "zebra_nhg.h"
32 #include "zebra_neigh.h"
34 #include "zebra_script.h"
36 DEFINE_MTYPE_STATIC(ZEBRA
, RIB_TABLE_INFO
, "RIB table info");
37 DEFINE_MTYPE_STATIC(ZEBRA
, ZEBRA_RT_TABLE
, "Zebra VRF table");
39 struct zebra_router zrouter
= {
40 .multipath_num
= MULTIPATH_NUM
,
41 .ipv4_multicast_mode
= MCAST_NO_CONFIG
,
45 zebra_router_table_entry_compare(const struct zebra_router_table
*e1
,
46 const struct zebra_router_table
*e2
);
48 RB_GENERATE(zebra_router_table_head
, zebra_router_table
,
49 zebra_router_table_entry
, zebra_router_table_entry_compare
);
53 zebra_router_table_entry_compare(const struct zebra_router_table
*e1
,
54 const struct zebra_router_table
*e2
)
56 if (e1
->tableid
< e2
->tableid
)
58 if (e1
->tableid
> e2
->tableid
)
60 if (e1
->ns_id
< e2
->ns_id
)
62 if (e1
->ns_id
> e2
->ns_id
)
64 if (e1
->afi
< e2
->afi
)
66 if (e1
->afi
> e2
->afi
)
68 return (e1
->safi
- e2
->safi
);
71 struct zebra_router_table
*zebra_router_find_zrt(struct zebra_vrf
*zvrf
,
72 uint32_t tableid
, afi_t afi
,
75 struct zebra_router_table finder
;
76 struct zebra_router_table
*zrt
;
78 memset(&finder
, 0, sizeof(finder
));
81 finder
.tableid
= tableid
;
82 finder
.ns_id
= zvrf
->zns
->ns_id
;
83 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
88 struct route_table
*zebra_router_find_table(struct zebra_vrf
*zvrf
,
89 uint32_t tableid
, afi_t afi
,
92 struct zebra_router_table finder
;
93 struct zebra_router_table
*zrt
;
95 memset(&finder
, 0, sizeof(finder
));
98 finder
.tableid
= tableid
;
99 finder
.ns_id
= zvrf
->zns
->ns_id
;
100 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
108 struct route_table
*zebra_router_get_table(struct zebra_vrf
*zvrf
,
109 uint32_t tableid
, afi_t afi
,
112 struct zebra_router_table finder
;
113 struct zebra_router_table
*zrt
;
114 struct rib_table_info
*info
;
116 memset(&finder
, 0, sizeof(finder
));
119 finder
.tableid
= tableid
;
120 finder
.ns_id
= zvrf
->zns
->ns_id
;
121 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
126 zrt
= XCALLOC(MTYPE_ZEBRA_RT_TABLE
, sizeof(*zrt
));
127 zrt
->tableid
= tableid
;
130 zrt
->ns_id
= zvrf
->zns
->ns_id
;
132 (afi
== AFI_IP6
) ? srcdest_table_init() : route_table_init();
134 info
= XCALLOC(MTYPE_RIB_TABLE_INFO
, sizeof(*info
));
138 info
->table_id
= tableid
;
139 route_table_set_info(zrt
->table
, info
);
140 zrt
->table
->cleanup
= zebra_rtable_node_cleanup
;
142 RB_INSERT(zebra_router_table_head
, &zrouter
.tables
, zrt
);
146 void zebra_router_show_table_summary(struct vty
*vty
)
148 struct zebra_router_table
*zrt
;
151 "VRF NS ID VRF ID AFI SAFI Table Count\n");
153 "---------------------------------------------------------------------------\n");
154 RB_FOREACH (zrt
, zebra_router_table_head
, &zrouter
.tables
) {
155 struct rib_table_info
*info
= route_table_get_info(zrt
->table
);
157 vty_out(vty
, "%-16s%5d %9d %7s %15s %8d %10lu\n", info
->zvrf
->vrf
->name
,
158 zrt
->ns_id
, info
->zvrf
->vrf
->vrf_id
,
159 afi2str(zrt
->afi
), safi2str(zrt
->safi
),
165 void zebra_router_sweep_route(void)
167 struct zebra_router_table
*zrt
;
169 RB_FOREACH (zrt
, zebra_router_table_head
, &zrouter
.tables
) {
170 if (zrt
->ns_id
!= NS_DEFAULT
)
172 rib_sweep_table(zrt
->table
);
176 void zebra_router_sweep_nhgs(void)
178 zebra_nhg_sweep_table(zrouter
.nhgs_id
);
181 static void zebra_router_free_table(struct zebra_router_table
*zrt
)
185 table_info
= route_table_get_info(zrt
->table
);
186 route_table_finish(zrt
->table
);
187 RB_REMOVE(zebra_router_table_head
, &zrouter
.tables
, zrt
);
189 XFREE(MTYPE_RIB_TABLE_INFO
, table_info
);
190 XFREE(MTYPE_ZEBRA_RT_TABLE
, zrt
);
193 void zebra_router_release_table(struct zebra_vrf
*zvrf
, uint32_t tableid
,
194 afi_t afi
, safi_t safi
)
196 struct zebra_router_table finder
;
197 struct zebra_router_table
*zrt
;
199 memset(&finder
, 0, sizeof(finder
));
202 finder
.tableid
= tableid
;
203 finder
.ns_id
= zvrf
->zns
->ns_id
;
204 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
209 zebra_router_free_table(zrt
);
212 uint32_t zebra_router_get_next_sequence(void)
215 + atomic_fetch_add_explicit(&zrouter
.sequence_num
, 1,
216 memory_order_relaxed
);
219 void multicast_mode_ipv4_set(enum multicast_mode mode
)
221 if (IS_ZEBRA_DEBUG_RIB
)
222 zlog_debug("%s: multicast lookup mode set (%d)", __func__
,
224 zrouter
.ipv4_multicast_mode
= mode
;
227 enum multicast_mode
multicast_mode_ipv4_get(void)
229 return zrouter
.ipv4_multicast_mode
;
232 void zebra_router_terminate(void)
234 struct zebra_router_table
*zrt
, *tmp
;
236 THREAD_OFF(zrouter
.sweeper
);
238 RB_FOREACH_SAFE (zrt
, zebra_router_table_head
, &zrouter
.tables
, tmp
)
239 zebra_router_free_table(zrt
);
241 work_queue_free_and_null(&zrouter
.ribq
);
242 meta_queue_free(zrouter
.mq
);
244 zebra_vxlan_disable();
245 zebra_mlag_terminate();
246 zebra_neigh_terminate();
248 /* Free NHE in ID table only since it has unhashable entries as well */
249 hash_clean(zrouter
.nhgs_id
, zebra_nhg_hash_free
);
250 hash_free(zrouter
.nhgs_id
);
251 hash_clean(zrouter
.nhgs
, NULL
);
252 hash_free(zrouter
.nhgs
);
254 hash_clean(zrouter
.rules_hash
, zebra_pbr_rules_free
);
255 hash_free(zrouter
.rules_hash
);
257 hash_clean(zrouter
.ipset_entry_hash
, zebra_pbr_ipset_entry_free
),
258 hash_clean(zrouter
.ipset_hash
, zebra_pbr_ipset_free
);
259 hash_free(zrouter
.ipset_hash
);
260 hash_free(zrouter
.ipset_entry_hash
);
261 hash_clean(zrouter
.iptable_hash
, zebra_pbr_iptable_free
);
262 hash_free(zrouter
.iptable_hash
);
264 #ifdef HAVE_SCRIPTING
265 zebra_script_destroy();
268 /* OS-specific deinit */
269 kernel_router_terminate();
272 bool zebra_router_notify_on_ack(void)
274 return !zrouter
.asic_offloaded
|| zrouter
.notify_on_ack
;
277 void zebra_router_init(bool asic_offload
, bool notify_on_ack
)
279 zrouter
.sequence_num
= 0;
281 zrouter
.packets_to_process
= ZEBRA_ZAPI_PACKETS_TO_PROCESS
;
283 zrouter
.nhg_keep
= ZEBRA_DEFAULT_NHG_KEEP_TIMER
;
289 zrouter
.rules_hash
= hash_create_size(8, zebra_pbr_rules_hash_key
,
290 zebra_pbr_rules_hash_equal
,
294 hash_create_size(8, zebra_pbr_ipset_hash_key
,
295 zebra_pbr_ipset_hash_equal
, "IPset Hash");
297 zrouter
.ipset_entry_hash
= hash_create_size(
298 8, zebra_pbr_ipset_entry_hash_key
,
299 zebra_pbr_ipset_entry_hash_equal
, "IPset Hash Entry");
301 zrouter
.iptable_hash
= hash_create_size(8, zebra_pbr_iptable_hash_key
,
302 zebra_pbr_iptable_hash_equal
,
303 "IPtable Hash Entry");
306 hash_create_size(8, zebra_nhg_hash_key
, zebra_nhg_hash_equal
,
307 "Zebra Router Nexthop Groups");
309 hash_create_size(8, zebra_nhg_id_key
, zebra_nhg_hash_id_equal
,
310 "Zebra Router Nexthop Groups ID index");
312 zrouter
.asic_offloaded
= asic_offload
;
313 zrouter
.notify_on_ack
= notify_on_ack
;
315 #ifdef HAVE_SCRIPTING
319 /* OS-specific init */
320 kernel_router_init();