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_memory.h"
29 #include "zebra_pbr.h"
30 #include "zebra_vxlan.h"
31 #include "zebra_mlag.h"
32 #include "zebra_nhg_private.h"
35 DEFINE_MTYPE_STATIC(ZEBRA
, RIB_TABLE_INFO
, "RIB table info")
37 struct zebra_router zrouter
= {
38 .multipath_num
= MULTIPATH_NUM
,
39 .ipv4_multicast_mode
= MCAST_NO_CONFIG
,
43 zebra_router_table_entry_compare(const struct zebra_router_table
*e1
,
44 const struct zebra_router_table
*e2
);
46 RB_GENERATE(zebra_router_table_head
, zebra_router_table
,
47 zebra_router_table_entry
, zebra_router_table_entry_compare
);
51 zebra_router_table_entry_compare(const struct zebra_router_table
*e1
,
52 const struct zebra_router_table
*e2
)
54 if (e1
->tableid
< e2
->tableid
)
56 if (e1
->tableid
> e2
->tableid
)
58 if (e1
->ns_id
< e2
->ns_id
)
60 if (e1
->ns_id
> e2
->ns_id
)
62 if (e1
->afi
< e2
->afi
)
64 if (e1
->afi
> e2
->afi
)
66 return (e1
->safi
- e2
->safi
);
70 struct route_table
*zebra_router_find_table(struct zebra_vrf
*zvrf
,
71 uint32_t tableid
, afi_t afi
,
74 struct zebra_router_table finder
;
75 struct zebra_router_table
*zrt
;
77 memset(&finder
, 0, sizeof(finder
));
80 finder
.tableid
= tableid
;
81 finder
.ns_id
= zvrf
->zns
->ns_id
;
82 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
90 struct route_table
*zebra_router_get_table(struct zebra_vrf
*zvrf
,
91 uint32_t tableid
, afi_t afi
,
94 struct zebra_router_table finder
;
95 struct zebra_router_table
*zrt
;
96 rib_table_info_t
*info
;
98 memset(&finder
, 0, sizeof(finder
));
101 finder
.tableid
= tableid
;
102 finder
.ns_id
= zvrf
->zns
->ns_id
;
103 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
108 zrt
= XCALLOC(MTYPE_ZEBRA_NS
, sizeof(*zrt
));
109 zrt
->tableid
= tableid
;
112 zrt
->ns_id
= zvrf
->zns
->ns_id
;
114 (afi
== AFI_IP6
) ? srcdest_table_init() : route_table_init();
116 info
= XCALLOC(MTYPE_RIB_TABLE_INFO
, sizeof(*info
));
120 route_table_set_info(zrt
->table
, info
);
121 zrt
->table
->cleanup
= zebra_rtable_node_cleanup
;
123 RB_INSERT(zebra_router_table_head
, &zrouter
.tables
, zrt
);
127 void zebra_router_show_table_summary(struct vty
*vty
)
129 struct zebra_router_table
*zrt
;
132 "VRF NS ID VRF ID AFI SAFI Table Count\n");
134 "---------------------------------------------------------------------------\n");
135 RB_FOREACH (zrt
, zebra_router_table_head
, &zrouter
.tables
) {
136 rib_table_info_t
*info
= route_table_get_info(zrt
->table
);
138 vty_out(vty
, "%-16s%5d %9d %7s %15s %8d %10lu\n", info
->zvrf
->vrf
->name
,
139 zrt
->ns_id
, info
->zvrf
->vrf
->vrf_id
,
140 afi2str(zrt
->afi
), safi2str(zrt
->safi
),
146 void zebra_router_sweep_route(void)
148 struct zebra_router_table
*zrt
;
150 RB_FOREACH (zrt
, zebra_router_table_head
, &zrouter
.tables
) {
151 if (zrt
->ns_id
!= NS_DEFAULT
)
153 rib_sweep_table(zrt
->table
);
157 void zebra_router_sweep_nhgs(void)
159 zebra_nhg_sweep_table(zrouter
.nhgs_id
);
162 static void zebra_router_free_table(struct zebra_router_table
*zrt
)
166 table_info
= route_table_get_info(zrt
->table
);
167 route_table_finish(zrt
->table
);
168 RB_REMOVE(zebra_router_table_head
, &zrouter
.tables
, zrt
);
170 XFREE(MTYPE_RIB_TABLE_INFO
, table_info
);
171 XFREE(MTYPE_ZEBRA_NS
, zrt
);
174 void zebra_router_release_table(struct zebra_vrf
*zvrf
, uint32_t tableid
,
175 afi_t afi
, safi_t safi
)
177 struct zebra_router_table finder
;
178 struct zebra_router_table
*zrt
;
180 memset(&finder
, 0, sizeof(finder
));
183 finder
.tableid
= tableid
;
184 finder
.ns_id
= zvrf
->zns
->ns_id
;
185 zrt
= RB_FIND(zebra_router_table_head
, &zrouter
.tables
, &finder
);
190 zebra_router_free_table(zrt
);
193 uint32_t zebra_router_get_next_sequence(void)
196 + atomic_fetch_add_explicit(&zrouter
.sequence_num
, 1,
197 memory_order_relaxed
);
200 void multicast_mode_ipv4_set(enum multicast_mode mode
)
202 if (IS_ZEBRA_DEBUG_RIB
)
203 zlog_debug("%s: multicast lookup mode set (%d)", __func__
,
205 zrouter
.ipv4_multicast_mode
= mode
;
208 enum multicast_mode
multicast_mode_ipv4_get(void)
210 return zrouter
.ipv4_multicast_mode
;
213 void zebra_router_terminate(void)
215 struct zebra_router_table
*zrt
, *tmp
;
217 RB_FOREACH_SAFE (zrt
, zebra_router_table_head
, &zrouter
.tables
, tmp
)
218 zebra_router_free_table(zrt
);
220 work_queue_free_and_null(&zrouter
.ribq
);
221 meta_queue_free(zrouter
.mq
);
223 zebra_vxlan_disable();
224 zebra_mlag_terminate();
226 hash_clean(zrouter
.nhgs
, zebra_nhg_free
);
227 hash_free(zrouter
.nhgs
);
228 hash_clean(zrouter
.nhgs_id
, NULL
);
229 hash_free(zrouter
.nhgs_id
);
231 hash_clean(zrouter
.rules_hash
, zebra_pbr_rules_free
);
232 hash_free(zrouter
.rules_hash
);
234 hash_clean(zrouter
.ipset_entry_hash
, zebra_pbr_ipset_entry_free
),
235 hash_clean(zrouter
.ipset_hash
, zebra_pbr_ipset_free
);
236 hash_free(zrouter
.ipset_hash
);
237 hash_free(zrouter
.ipset_entry_hash
);
238 hash_clean(zrouter
.iptable_hash
, zebra_pbr_iptable_free
);
239 hash_free(zrouter
.iptable_hash
);
242 void zebra_router_init(void)
244 zrouter
.sequence_num
= 0;
246 zrouter
.packets_to_process
= ZEBRA_ZAPI_PACKETS_TO_PROCESS
;
251 zrouter
.rules_hash
= hash_create_size(8, zebra_pbr_rules_hash_key
,
252 zebra_pbr_rules_hash_equal
,
256 hash_create_size(8, zebra_pbr_ipset_hash_key
,
257 zebra_pbr_ipset_hash_equal
, "IPset Hash");
259 zrouter
.ipset_entry_hash
= hash_create_size(
260 8, zebra_pbr_ipset_entry_hash_key
,
261 zebra_pbr_ipset_entry_hash_equal
, "IPset Hash Entry");
263 zrouter
.iptable_hash
= hash_create_size(8, zebra_pbr_iptable_hash_key
,
264 zebra_pbr_iptable_hash_equal
,
265 "IPtable Hash Entry");
268 hash_create_size(8, zebra_nhg_hash_key
, zebra_nhg_hash_equal
,
269 "Zebra Router Nexthop Groups");
271 hash_create_size(8, zebra_nhg_id_key
, zebra_nhg_hash_id_equal
,
272 "Zebra Router Nexthop Groups ID index");