/* * 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 __MFIB_ENTRY_H__ #define __MFIB_ENTRY_H__ #include <vnet/fib/fib_node.h> #include <vnet/mfib/mfib_types.h> #include <vnet/mfib/mfib_itf.h> #include <vnet/mfib/mfib_entry_delegate.h> #include <vnet/ip/ip.h> #include <vnet/dpo/dpo.h> /** * An entry in a FIB table. * * This entry represents a route added to the FIB that is stored * in one of the FIB tables. */ typedef struct mfib_entry_t_ { CLIB_CACHE_LINE_ALIGN_MARK(cacheline0); /** * Base class. The entry's node representation in the graph. */ fib_node_t mfe_node; /** * The prefix of the route */ mfib_prefix_t mfe_prefix; /** * The index of the FIB table this entry is in */ u32 mfe_fib_index; /** * A vector of sources contributing forwarding */ struct mfib_entry_src_t_ *mfe_srcs; /** * The path-list of which this entry is a child */ fib_node_index_t mfe_pl; /** * The sibling index on the path-list */ u32 mfe_sibling; /** * 2nd cache line has the members used in the data plane */ CLIB_CACHE_LINE_ALIGN_MARK(cacheline1); /** * The DPO used for forwarding; replicate, drop, etc.. */ dpo_id_t mfe_rep; /** * Route flags */ mfib_entry_flags_t mfe_flags; /** * RPF-ID used when the packets ingress not from an interface */ fib_rpf_id_t mfe_rpf_id; /** * A hash table of interfaces */ mfib_itf_t *mfe_itfs; /** * A vector of delegates. */ mfib_entry_delegate_t *fe_delegates; } mfib_entry_t; /** * Debug macro */ extern vlib_log_class_t mfib_entry_logger; #define MFIB_ENTRY_DBG(_e, _fmt, _args...) \ { \ vlib_log_debug(mfib_entry_logger, \ "e:[%d:%U]: " _fmt, \ mfib_entry_get_index(_e), \ format_mfib_prefix, \ &_e->mfe_prefix, \ ##_args); \ } #define MFIB_ENTRY_FORMAT_BRIEF (0x0) #define MFIB_ENTRY_FORMAT_DETAIL (0x1) #define MFIB_ENTRY_FORMAT_DETAIL2 (0x2) extern u8 *format_mfib_entry(u8 * s, va_list * args); extern fib_node_index_t mfib_entry_create(u32 fib_index, mfib_source_t source, const mfib_prefix_t *prefix, fib_rpf_id_t rpf_id, mfib_entry_flags_t entry_flags, index_t repi); extern int mfib_entry_update(fib_node_index_t fib_entry_index, mfib_source_t source, mfib_entry_flags_t entry_flags, fib_rpf_id_t rpf_id, index_t rep_dpo); extern int mfib_entry_special_add(fib_node_index_t fib_entry_index, mfib_source_t source, mfib_entry_flags_t entry_flags, fib_rpf_id_t rpf_id, index_t rep_dpo); extern void mfib_entry_path_update(fib_node_index_t fib_entry_index, mfib_source_t source, const fib_route_path_t *rpath); extern int mfib_entry_path_remove(fib_node_index_t fib_entry_index, mfib_source_t source, const fib_route_path_t *rpath); extern int mfib_entry_delete(fib_node_index_t mfib_entry_index, mfib_source_t source); extern int mfib_entry_cmp_for_sort(void *i1, void *i2); extern u32 mfib_entry_child_add(fib_node_index_t mfib_entry_index, fib_node_type_t type, fib_node_index_t child_index); extern void mfib_entry_child_remove(fib_node_index_t mfib_entry_index, u32 sibling_index); extern void mfib_entry_lock(fib_node_index_t fib_entry_index); extern void mfib_entry_unlock(fib_node_index_t fib_entry_index); extern const mfib_prefix_t *mfib_entry_get_prefix(fib_node_index_t fib_entry_index); extern u32 mfib_entry_get_fib_index(fib_node_index_t fib_entry_index); extern int mfib_entry_is_sourced(fib_node_index_t fib_entry_index, mfib_source_t source); extern int mfib_entry_is_host(fib_node_index_t fib_entry_index); extern int mfib_entry_is_marked(fib_node_index_t fib_entry_index, mfib_source_t source); extern void mfib_entry_mark(fib_node_index_t fib_entry_index, mfib_source_t source); extern u32 mfib_entry_get_stats_index(fib_node_index_t fib_entry_index); extern void mfib_entry_cover_changed(fib_node_index_t fib_entry_index); extern void mfib_entry_cover_updated(fib_node_index_t fib_entry_index); extern const dpo_id_t*mfib_entry_contribute_ip_forwarding( fib_node_index_t mfib_entry_index); /** * Flags to control what is present in the replicate DPO returned when * the entry contributes forwarding */ typedef enum mfib_entry_fwd_flags_t_ { MFIB_ENTRY_FWD_FLAG_NONE, /** * Do not reutrn any local replications in the set */ MFIB_ENTRY_FWD_FLAG_NO_LOCAL, } mfib_entry_fwd_flags_t; extern void mfib_entry_contribute_forwarding( fib_node_index_t mfib_entry_index, fib_forward_chain_type_t type, mfib_entry_fwd_flags_t flags, dpo_id_t *dpo); extern fib_route_path_t* mfib_entry_encode(fib_node_index_t fib_entry_index); extern void mfib_entry_module_init(void); extern mfib_entry_t *mfib_entry_pool; static inline mfib_entry_t * mfib_entry_get (fib_node_index_t index) { return (pool_elt_at_index(mfib_entry_pool, index)); } static inline fib_node_index_t mfib_entry_get_index (const mfib_entry_t *mfe) { return (mfe - mfib_entry_pool); } static inline mfib_itf_t * mfib_entry_itf_find (mfib_itf_t *itfs, u32 sw_if_index) { uword *p; p = hash_get(itfs, sw_if_index); if (NULL != p) { return (mfib_itf_get(p[0])); } return (NULL); } static inline mfib_itf_t * mfib_entry_get_itf (const mfib_entry_t *mfe, u32 sw_if_index) { return (mfib_entry_itf_find(mfe->mfe_itfs, sw_if_index)); } #endif