| /* |
| * 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 __FIB_TABLE_H__ |
| #define __FIB_TABLE_H__ |
| |
| #include <vnet/ip/ip.h> |
| #include <vnet/adj/adj.h> |
| #include <vnet/fib/fib_entry.h> |
| #include <vnet/mpls/mpls.h> |
| #include <vnet/mpls/packet.h> |
| |
| /** |
| * Keep a lock per-source and a total |
| */ |
| #define FIB_TABLE_N_LOCKS (FIB_SOURCE_MAX+1) |
| #define FIB_TABLE_TOTAL_LOCKS FIB_SOURCE_MAX |
| |
| /** |
| * Flags for the source data |
| */ |
| typedef enum fib_table_attribute_t_ { |
| /** |
| * Marker. Add new values after this one. |
| */ |
| FIB_TABLE_ATTRIBUTE_FIRST, |
| /** |
| * the table is for IP6 link local addresses |
| */ |
| FIB_TABLE_ATTRIBUTE_IP6_LL = FIB_TABLE_ATTRIBUTE_FIRST, |
| /** |
| * Marker. add new entries before this one. |
| */ |
| FIB_TABLE_ATTRIBUTE_LAST = FIB_TABLE_ATTRIBUTE_IP6_LL, |
| } fib_table_attribute_t; |
| |
| #define FIB_TABLE_ATTRIBUTE_MAX (FIB_TABLE_ATTRIBUTE_LAST+1) |
| |
| #define FIB_TABLE_ATTRIBUTES { \ |
| [FIB_TABLE_ATTRIBUTE_IP6_LL] = "ip6-ll", \ |
| } |
| |
| #define FOR_EACH_FIB_TABLE_ATTRIBUTE(_item) \ |
| for (_item = FIB_TABLE_ATTRIBUTE_FIRST; \ |
| _item < FIB_TABLE_ATTRIBUTE_MAX; \ |
| _item++) |
| |
| typedef enum fib_table_flags_t_ { |
| FIB_TABLE_FLAG_NONE = 0, |
| FIB_TABLE_FLAG_IP6_LL = (1 << FIB_TABLE_ATTRIBUTE_IP6_LL), |
| } __attribute__ ((packed)) fib_table_flags_t; |
| |
| /** |
| * @brief |
| * A protocol Independent FIB table |
| */ |
| typedef struct fib_table_t_ |
| { |
| /** |
| * Which protocol this table serves. Used to switch on the union above. |
| */ |
| fib_protocol_t ft_proto; |
| |
| /** |
| * Table flags |
| */ |
| fib_table_flags_t ft_flags; |
| |
| /** |
| * per-source number of locks on the table |
| */ |
| u16 ft_locks[FIB_TABLE_N_LOCKS]; |
| |
| /** |
| * Table ID (hash key) for this FIB. |
| */ |
| u32 ft_table_id; |
| |
| /** |
| * Index into FIB vector. |
| */ |
| fib_node_index_t ft_index; |
| |
| /** |
| * flow hash configuration |
| */ |
| u32 ft_flow_hash_config; |
| |
| /** |
| * Per-source route counters |
| */ |
| u32 ft_src_route_counts[FIB_SOURCE_MAX]; |
| |
| /** |
| * Total route counters |
| */ |
| u32 ft_total_route_counts; |
| |
| /** |
| * Table description |
| */ |
| u8* ft_desc; |
| } fib_table_t; |
| |
| /** |
| * @brief |
| * Format the description/name of the table |
| */ |
| extern u8* format_fib_table_name(u8* s, va_list *ap); |
| |
| /** |
| * @brief |
| * Perfom a longest prefix match in the non-forwarding table |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to lookup |
| * |
| * @return |
| * The index of the fib_entry_t for the best match, which may be the default route |
| */ |
| extern fib_node_index_t fib_table_lookup(u32 fib_index, |
| const fib_prefix_t *prefix); |
| |
| /** |
| * @brief |
| * Perfom an exact match in the non-forwarding table |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to lookup |
| * |
| * @return |
| * The index of the fib_entry_t for the exact match, or INVALID |
| * is there is no match. |
| */ |
| extern fib_node_index_t fib_table_lookup_exact_match(u32 fib_index, |
| const fib_prefix_t *prefix); |
| |
| /** |
| * @brief |
| * Get the less specific (covering) prefix |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to lookup |
| * |
| * @return |
| * The index of the less specific fib_entry_t. |
| */ |
| extern fib_node_index_t fib_table_get_less_specific(u32 fib_index, |
| const fib_prefix_t *prefix); |
| |
| /** |
| * @brief |
| * Add a 'special' entry to the FIB. |
| * A special entry is an entry that the FIB is not expect to resolve |
| * via the usual mechanisms (i.e. recurisve or neighbour adj DB lookup). |
| * Instead the will link to a DPO valid for the source and/or the flags. |
| * This add is reference counting per-source. So n 'removes' are required |
| * for n 'adds', if the entry is no longer required. |
| * If the source needs to provide non-default forwarding use: |
| * fib_table_entry_special_dpo_add() |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or exists already). |
| */ |
| extern fib_node_index_t fib_table_entry_special_add(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t flags); |
| |
| /** |
| * @brief |
| * Add a 'special' entry to the FIB that links to the DPO passed |
| * A special entry is an entry that the FIB is not expect to resolve |
| * via the usual mechanisms (i.e. recurisve or neighbour adj DB lookup). |
| * Instead the client/source provides the DPO to link to. |
| * This add is reference counting per-source. So n 'removes' are required |
| * for n 'adds', if the entry is no longer required. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @param dpo |
| * The DPO to link to. |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_special_dpo_add(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t stype, |
| const dpo_id_t *dpo); |
| |
| /** |
| * @brief |
| * Update a 'special' entry to the FIB that links to the DPO passed |
| * A special entry is an entry that the FIB is not expect to resolve |
| * via the usual mechanisms (i.e. recurisve or neighbour adj DB lookup). |
| * Instead the client/source provides the DPO to link to. |
| * Special entries are add/remove reference counted per-source. So n |
| * 'removes' are required for n 'adds', if the entry is no longer required. |
| * An 'update' is an 'add' if no 'add' has already been called, otherwise an 'add' |
| * is therefore assumed to act on the reference instance of that add. |
| * |
| * @param fib_entry_index |
| * The index of the FIB entry to update |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @param dpo |
| * The DPO to link to. |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_special_dpo_update (u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t stype, |
| const dpo_id_t *dpo); |
| |
| /** |
| * @brief |
| * Remove a 'special' entry from the FIB. |
| * This add is reference counting per-source. So n 'removes' are required |
| * for n 'adds', if the entry is no longer required. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix to remove |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| */ |
| extern void fib_table_entry_special_remove(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Add one path to an entry (aka route) in the FIB. If the entry does not |
| * exist, it will be created. |
| * See the documentation for fib_route_path_t for more descirptions of |
| * the path parameters. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @paran next_hop_proto |
| * The protocol of the next hop. This cannot be derived in the event that |
| * the next hop is all zeros. |
| * |
| * @param next_hop |
| * The address of the next-hop. |
| * |
| * @param sw_if_index |
| * The index of the interface. |
| * |
| * @param next_hop_fib_index, |
| * The fib index of the next-hop for recursive resolution |
| * |
| * @param next_hop_weight |
| * [un]equal cost path weight |
| * |
| * @param next_hop_label_stack |
| * The path's out-going label stack. NULL is there is none. |
| * |
| * @param pf |
| * Flags for the path |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_path_add(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t flags, |
| dpo_proto_t next_hop_proto, |
| const ip46_address_t *next_hop, |
| u32 next_hop_sw_if_index, |
| u32 next_hop_fib_index, |
| u32 next_hop_weight, |
| mpls_label_t *next_hop_label_stack, |
| fib_route_path_flags_t pf); |
| /** |
| * @brief |
| * Add n paths to an entry (aka route) in the FIB. If the entry does not |
| * exist, it will be created. |
| * See the documentation for fib_route_path_t for more descirptions of |
| * the path parameters. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @param rpaths |
| * A vector of paths. Not const since they may be modified. |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_path_add2(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t flags, |
| fib_route_path_t *rpath); |
| |
| /** |
| * @brief |
| * remove one path to an entry (aka route) in the FIB. If this is the entry's |
| * last path, then the entry will be removed, unless it has other sources. |
| * See the documentation for fib_route_path_t for more descirptions of |
| * the path parameters. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @paran next_hop_proto |
| * The protocol of the next hop. This cannot be derived in the event that |
| * the next hop is all zeros. |
| * |
| * @param next_hop |
| * The address of the next-hop. |
| * |
| * @param sw_if_index |
| * The index of the interface. |
| * |
| * @param next_hop_fib_index, |
| * The fib index of the next-hop for recursive resolution |
| * |
| * @param next_hop_weight |
| * [un]equal cost path weight |
| * |
| * @param pf |
| * Flags for the path |
| */ |
| extern void fib_table_entry_path_remove(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| dpo_proto_t next_hop_proto, |
| const ip46_address_t *next_hop, |
| u32 next_hop_sw_if_index, |
| u32 next_hop_fib_index, |
| u32 next_hop_weight, |
| fib_route_path_flags_t pf); |
| |
| /** |
| * @brief |
| * Remove n paths to an entry (aka route) in the FIB. If this is the entry's |
| * last path, then the entry will be removed, unless it has other sources. |
| * See the documentation for fib_route_path_t for more descirptions of |
| * the path parameters. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param rpaths |
| * A vector of paths. |
| */ |
| extern void fib_table_entry_path_remove2(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_route_path_t *paths); |
| |
| /** |
| * @brief |
| * Update an entry to have a new set of paths. If the entry does not |
| * exist, it will be created. |
| * The difference between an 'path-add' and an update, is that path-add is |
| * an incremental addition of paths, whereas an update is a wholesale swap. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param rpaths |
| * A vector of paths. Not const since they may be modified. |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_update(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t flags, |
| fib_route_path_t *paths); |
| |
| /** |
| * @brief |
| * Update the entry to have just one path. If the entry does not |
| * exist, it will be created. |
| * See the documentation for fib_route_path_t for more descirptions of |
| * the path parameters. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to add |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| * |
| * @param flags |
| * Flags for the entry. |
| * |
| * @paran next_hop_proto |
| * The protocol of the next hop. This cannot be derived in the event that |
| * the next hop is all zeros. |
| * |
| * @param next_hop |
| * The address of the next-hop. |
| * |
| * @param sw_if_index |
| * The index of the interface. |
| * |
| * @param next_hop_fib_index, |
| * The fib index of the next-hop for recursive resolution |
| * |
| * @param next_hop_weight |
| * [un]equal cost path weight |
| * |
| * @param next_hop_label_stack |
| * The path's out-going label stack. NULL is there is none. |
| * |
| * @param pf |
| * Flags for the path |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_update_one_path(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source, |
| fib_entry_flag_t flags, |
| dpo_proto_t next_hop_proto, |
| const ip46_address_t *next_hop, |
| u32 next_hop_sw_if_index, |
| u32 next_hop_fib_index, |
| u32 next_hop_weight, |
| mpls_label_t *next_hop_label_stack, |
| fib_route_path_flags_t pf); |
| |
| /** |
| * @brief |
| * Add a MPLS local label for the prefix/route. If the entry does not |
| * exist, it will be created. In theory more than one local label can be |
| * added, but this is not yet supported. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to which to add the label |
| * |
| * @param label |
| * The MPLS label to add |
| * |
| * @return |
| * the index of the fib_entry_t that is created (or existed already). |
| */ |
| extern fib_node_index_t fib_table_entry_local_label_add(u32 fib_index, |
| const fib_prefix_t *prefix, |
| mpls_label_t label); |
| /** |
| * @brief |
| * remove a MPLS local label for the prefix/route. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to which to add the label |
| * |
| * @param label |
| * The MPLS label to add |
| */ |
| extern void fib_table_entry_local_label_remove(u32 fib_index, |
| const fib_prefix_t *prefix, |
| mpls_label_t label); |
| |
| /** |
| * @brief |
| * Delete a FIB entry. If the entry has no more sources, then it is |
| * removed from the table. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @param prefix |
| * The prefix for the entry to remove |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| */ |
| extern void fib_table_entry_delete(u32 fib_index, |
| const fib_prefix_t *prefix, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Delete a FIB entry. If the entry has no more sources, then it is |
| * removed from the table. |
| * |
| * @param entry_index |
| * The index of the FIB entry |
| * |
| * @param source |
| * The ID of the client/source adding the entry. |
| */ |
| extern void fib_table_entry_delete_index(fib_node_index_t entry_index, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Flush all entries from a table for the source |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol of the entries in the table |
| * |
| * @param source |
| * the source to flush |
| */ |
| extern void fib_table_flush(u32 fib_index, |
| fib_protocol_t proto, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Get the index of the FIB bound to the interface |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param sw_if_index |
| * The interface index |
| * |
| * @return fib_index |
| * The index of the FIB |
| */ |
| extern u32 fib_table_get_index_for_sw_if_index(fib_protocol_t proto, |
| u32 sw_if_index); |
| |
| /** |
| * @brief |
| * Get the Table-ID of the FIB bound to the interface |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param sw_if_index |
| * The interface index |
| * |
| * @return fib_index |
| * The tableID of the FIB |
| */ |
| extern u32 fib_table_get_table_id_for_sw_if_index(fib_protocol_t proto, |
| u32 sw_if_index); |
| |
| /** |
| * @brief |
| * Get the index of the FIB for a Table-ID. This DOES NOT create the |
| * FIB if it does not exist. |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param table-id |
| * The Table-ID |
| * |
| * @return fib_index |
| * The index of the FIB, which may be INVALID. |
| */ |
| extern u32 fib_table_find(fib_protocol_t proto, u32 table_id); |
| |
| |
| /** |
| * @brief |
| * Get the index of the FIB for a Table-ID. This DOES create the |
| * FIB if it does not exist. |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param table-id |
| * The Table-ID |
| * |
| * @return fib_index |
| * The index of the FIB |
| * |
| * @param source |
| * The ID of the client/source. |
| */ |
| extern u32 fib_table_find_or_create_and_lock(fib_protocol_t proto, |
| u32 table_id, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Get the index of the FIB for a Table-ID. This DOES create the |
| * FIB if it does not exist. |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param table-id |
| * The Table-ID |
| * |
| * @return fib_index |
| * The index of the FIB |
| * |
| * @param source |
| * The ID of the client/source. |
| * |
| * @param name |
| * The client is choosing the name they want the table to have |
| */ |
| extern u32 fib_table_find_or_create_and_lock_w_name(fib_protocol_t proto, |
| u32 table_id, |
| fib_source_t source, |
| const u8 *name); |
| |
| /** |
| * @brief |
| * Create a new table with no table ID. This means it does not get |
| * added to the hash-table and so can only be found by using the index returned. |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param fmt |
| * A string to describe the table |
| * |
| * @param source |
| * The ID of the client/source. |
| * |
| * @return fib_index |
| * The index of the FIB |
| */ |
| extern u32 fib_table_create_and_lock(fib_protocol_t proto, |
| fib_source_t source, |
| const char *const fmt, |
| ...); |
| |
| /** |
| * @brief |
| * Get the flow hash configured used by the table |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol the packets the flow hash will be calculated for. |
| * |
| * @return The flow hash config |
| */ |
| extern flow_hash_config_t fib_table_get_flow_hash_config(u32 fib_index, |
| fib_protocol_t proto); |
| |
| /** |
| * @brief |
| * Get the flow hash configured used by the protocol |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @return The flow hash config |
| */ |
| extern flow_hash_config_t fib_table_get_default_flow_hash_config(fib_protocol_t proto); |
| |
| /** |
| * @brief |
| * Set the flow hash configured used by the table |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param hash_config |
| * The flow-hash config to set |
| * |
| * @return none |
| */ |
| extern void fib_table_set_flow_hash_config(u32 fib_index, |
| fib_protocol_t proto, |
| flow_hash_config_t hash_config); |
| |
| /** |
| * @brief |
| * Take a reference counting lock on the table |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param source |
| * The ID of the client/source. |
| */ |
| extern void fib_table_unlock(u32 fib_index, |
| fib_protocol_t proto, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Release a reference counting lock on the table. When the last lock |
| * has gone. the FIB is deleted. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @param source |
| * The ID of the client/source. |
| */ |
| extern void fib_table_lock(u32 fib_index, |
| fib_protocol_t proto, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Return the number of entries in the FIB added by a given source. |
| * |
| * @param fib_index |
| * The index of the FIB |
| * |
| * @paran proto |
| * The protocol of the FIB (and thus the entries therein) |
| * |
| * @return number of sourced entries. |
| */ |
| extern u32 fib_table_get_num_entries(u32 fib_index, |
| fib_protocol_t proto, |
| fib_source_t source); |
| |
| /** |
| * @brief |
| * Get a pointer to a FIB table |
| */ |
| extern fib_table_t *fib_table_get(fib_node_index_t index, |
| fib_protocol_t proto); |
| |
| /** |
| * @brief return code controlling how a table walk proceeds |
| */ |
| typedef enum fib_table_walk_rc_t_ |
| { |
| /** |
| * Continue on to the next entry |
| */ |
| FIB_TABLE_WALK_CONTINUE, |
| /** |
| * Do no traverse down this sub-tree |
| */ |
| FIB_TABLE_WALK_SUB_TREE_STOP, |
| /** |
| * Stop the walk completely |
| */ |
| FIB_TABLE_WALK_STOP, |
| } fib_table_walk_rc_t; |
| |
| /** |
| * @brief Call back function when walking entries in a FIB table |
| */ |
| typedef fib_table_walk_rc_t (*fib_table_walk_fn_t)(fib_node_index_t fei, |
| void *ctx); |
| |
| /** |
| * @brief Walk all entries in a FIB table |
| * N.B: This is NOT safe to deletes. If you need to delete walk the whole |
| * table and store elements in a vector, then delete the elements |
| */ |
| extern void fib_table_walk(u32 fib_index, |
| fib_protocol_t proto, |
| fib_table_walk_fn_t fn, |
| void *ctx); |
| |
| /** |
| * @brief Walk all entries in a sub-tree FIB table. The 'root' paraneter |
| * is the prefix at the root of the sub-tree. |
| * N.B: This is NOT safe to deletes. If you need to delete walk the whole |
| * table and store elements in a vector, then delete the elements |
| */ |
| extern void fib_table_sub_tree_walk(u32 fib_index, |
| fib_protocol_t proto, |
| const fib_prefix_t *root, |
| fib_table_walk_fn_t fn, |
| void *ctx); |
| |
| /** |
| * @brief format (display) the memory used by the FIB tables |
| */ |
| extern u8 *format_fib_table_memory(u8 *s, va_list *args); |
| |
| #endif |