/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __BIER_DISP_TABLE_H__ #define __BIER_DISP_TABLE_H__ #include <vnet/ip/ip.h> #include <vnet/adj/adj.h> #include <vnet/dpo/replicate_dpo.h> #include <vnet/bier/bier_types.h> #include <vnet/bier/bier_disp_entry.h> /** * @brief * A protocol Independent IP multicast FIB table */ typedef struct bier_disp_table_t_ { /** * Required for pool_get_aligned */ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0); /** * number of locks on the table */ u16 bdt_locks; /** * Table ID (hash key) for this FIB. */ u32 bdt_table_id; /** * The lookup DB based on sender BP. Value is the index of the * BIER disp object. */ index_t bdt_db[BIER_BP_MAX]; } bier_disp_table_t; /** * @brief * Format the description/name of the table */ extern u8* format_bier_disp_table(u8* s, va_list *ap); extern void bier_disp_table_entry_path_add(u32 table_id, bier_bp_t src, bier_hdr_proto_id_t payload_proto, const fib_route_path_t *rpath); extern void bier_disp_table_entry_path_remove(u32 table_id, bier_bp_t src, bier_hdr_proto_id_t payload_proto, const fib_route_path_t *paths); extern index_t bier_disp_table_find(u32 table_id); extern index_t bier_disp_table_add_or_lock(u32 table_id); extern void bier_disp_table_unlock_w_table_id(u32 table_id); extern void bier_disp_table_unlock(index_t bdti); extern void bier_disp_table_lock(index_t bdti); extern void bier_disp_table_contribute_forwarding(index_t bdti, dpo_id_t *dpo); /** * Types and functions to walk all the entries in one BIER Table */ typedef void (*bier_disp_table_walk_fn_t)(const bier_disp_table_t *bdt, const bier_disp_entry_t *bde, u16 bp, void *ctx); extern void bier_disp_table_walk(u32 table_id, bier_disp_table_walk_fn_t fn, void *ctx); /** * @brief * Get a pointer to a FIB table */ extern bier_disp_table_t *bier_disp_table_pool; static inline bier_disp_table_t * bier_disp_table_get (index_t bdti) { return (pool_elt_at_index(bier_disp_table_pool, bdti)); } static inline index_t bier_disp_table_lookup (index_t bdti, bier_hdr_src_id_t src) { bier_disp_table_t *bdt; bdt = bier_disp_table_get(bdti); return (bdt->bdt_db[src]); } #endif