/* * 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_BIFT_TABLE_H__ #define __BIER_BIFT_TABLE_H__ #include <vnet/dpo/dpo.h> #include <vnet/bier/bier_types.h> #include <vnet/mpls/packet.h> /* * the lookup table used to get from a BFIT_ID to a load-balance. * As per-draft draft-ietf-bier-mpls-encapsulation-10 this isthe * use case for non-MPLS networks */ #define BIER_BIFT_N_ENTRIES (1 << 20) typedef struct bier_bfit_table_t_ { /** * Forwarding information for each BIFT ID */ dpo_id_t bblt_dpos[BIER_BIFT_N_ENTRIES]; /** * The number of entries in the table */ u32 bblt_n_entries; } bier_bfit_table_t; extern void bier_bift_table_entry_add(bier_bift_id_t id, const dpo_id_t *dpo); extern void bier_bift_table_entry_remove(bier_bift_id_t id); /** * Global BIFT table */ extern bier_bfit_table_t *bier_bift_table; static inline const dpo_id_t* bier_bift_dp_lookup (bier_bift_id_t key_host_order) { return (&bier_bift_table->bblt_dpos[vnet_mpls_uc_get_label(key_host_order)]); } #endif