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Diffstat (limited to 'src/vnet/mfib/ip6_mfib.h')
| -rw-r--r-- | src/vnet/mfib/ip6_mfib.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/vnet/mfib/ip6_mfib.h b/src/vnet/mfib/ip6_mfib.h new file mode 100644 index 00000000..ea81b553 --- /dev/null +++ b/src/vnet/mfib/ip6_mfib.h @@ -0,0 +1,121 @@ +/* + * 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. + */ +/** + * @brief The IPv4 Multicast-FIB + * + * FIXME + * + * This IPv4 FIB is used by the protocol independent FIB. So directly using + * this APIs in client code is not encouraged. However, this IPv4 FIB can be + * used if all the client wants is an IPv4 prefix data-base + */ + +#ifndef __IP6_MFIB_H__ +#define __IP6_MFIB_H__ + +#include <vlib/vlib.h> +#include <vnet/ip/ip.h> + +#include <vnet/mfib/mfib_table.h> + +extern fib_node_index_t ip6_mfib_table_lookup(const ip6_mfib_t *fib, + const ip6_address_t *src, + const ip6_address_t *grp, + u32 len); +extern fib_node_index_t ip6_mfib_table_lookup_exact_match(const ip6_mfib_t *fib, + const ip6_address_t *grp, + const ip6_address_t *src, + u32 len); + +extern void ip6_mfib_table_entry_remove(ip6_mfib_t *fib, + const ip6_address_t *grp, + const ip6_address_t *src, + u32 len); + +extern void ip6_mfib_table_entry_insert(ip6_mfib_t *fib, + const ip6_address_t *grp, + const ip6_address_t *src, + u32 len, + fib_node_index_t fib_entry_index); +extern void ip6_mfib_table_destroy(ip6_mfib_t *fib); + +/** + * @brief + * Add/remove the interface from the accepting list of the special MFIB entries + */ +extern void ip6_mfib_interface_enable_disable(u32 sw_if_index, + int is_enable); + +/** + * @brief Get the FIB at the given index + */ +static inline ip6_mfib_t * +ip6_mfib_get (u32 index) +{ + return (&(pool_elt_at_index(ip6_main.mfibs, index)->v6)); +} + +/** + * @brief Get or create an IPv4 fib. + * + * Get or create an IPv4 fib with the provided table ID. + * + * @param table_id + * When set to \c ~0, an arbitrary and unused fib ID is picked + * and can be retrieved with \c ret->table_id. + * Otherwise, the fib ID to be used to retrieve or create the desired fib. + * @returns A pointer to the retrieved or created fib. + * + */ +extern u32 ip6_mfib_table_find_or_create_and_lock(u32 table_id, + mfib_source_t src); +extern u32 ip6_mfib_table_create_and_lock(mfib_source_t src); + + +static inline +u32 ip6_mfib_index_from_table_id (u32 table_id) +{ + ip6_main_t * im = &ip6_main; + uword * p; + + p = hash_get (im->mfib_index_by_table_id, table_id); + if (!p) + return ~0; + + return p[0]; +} + +extern u32 ip6_mfib_table_get_index_for_sw_if_index(u32 sw_if_index); + +/** + * @brief Data-plane lookup function + */ +extern fib_node_index_t ip6_mfib_table_lookup2(const ip6_mfib_t *mfib, + const ip6_address_t *src, + const ip6_address_t *grp); + +/** + * @brief Walk the IP6 mfib table. + * + * @param mfib the table to walk + * @param fn The function to invoke on each entry visited + * @param ctx A context passed in the visit function + */ +extern void ip6_mfib_table_walk (ip6_mfib_t *mfib, + mfib_table_walk_fn_t fn, + void *ctx); + +#endif + |