2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef __BIER_DISP_TABLE_H__
17 #define __BIER_DISP_TABLE_H__
19 #include <vnet/ip/ip.h>
20 #include <vnet/adj/adj.h>
21 #include <vnet/dpo/replicate_dpo.h>
23 #include <vnet/bier/bier_types.h>
24 #include <vnet/bier/bier_disp_entry.h>
28 * A protocol Independent IP multicast FIB table
30 typedef struct bier_disp_table_t_
33 * Required for pool_get_aligned
35 CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
38 * number of locks on the table
43 * Table ID (hash key) for this FIB.
48 * The lookup DB based on sender BP. Value is the index of the
51 index_t bdt_db[BIER_BP_MAX];
56 * Format the description/name of the table
58 extern u8* format_bier_disp_table(u8* s, va_list *ap);
60 extern void bier_disp_table_entry_path_add(u32 table_id,
62 bier_hdr_proto_id_t payload_proto,
63 const fib_route_path_t *rpath);
65 extern void bier_disp_table_entry_path_remove(u32 table_id,
67 bier_hdr_proto_id_t payload_proto,
68 const fib_route_path_t *paths);
70 extern index_t bier_disp_table_find(u32 table_id);
73 extern index_t bier_disp_table_add_or_lock(u32 table_id);
74 extern void bier_disp_table_unlock_w_table_id(u32 table_id);
76 extern void bier_disp_table_unlock(index_t bdti);
77 extern void bier_disp_table_lock(index_t bdti);
78 extern void bier_disp_table_contribute_forwarding(index_t bdti,
82 * Types and functions to walk all the entries in one BIER Table
84 typedef void (*bier_disp_table_walk_fn_t)(const bier_disp_table_t *bdt,
85 const bier_disp_entry_t *bde,
88 extern void bier_disp_table_walk(u32 table_id,
89 bier_disp_table_walk_fn_t fn,
94 * Get a pointer to a FIB table
96 extern bier_disp_table_t *bier_disp_table_pool;
98 static inline bier_disp_table_t *
99 bier_disp_table_get (index_t bdti)
101 return (pool_elt_at_index(bier_disp_table_pool, bdti));
104 static inline index_t
105 bier_disp_table_lookup (index_t bdti,
106 bier_hdr_src_id_t src)
108 bier_disp_table_t *bdt;
110 bdt = bier_disp_table_get(bdti);
112 return (bdt->bdt_db[src]);