2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef __MFIB_ITF_H__
17 #define __MFIB_ITF_H__
19 #include <vlib/vlib.h>
20 #include <vnet/mfib/mfib_types.h>
23 * @brief An interface associated with a particular MFIB entry
25 typedef struct mfib_itf_t_
28 * Required for pool_get_aligned
30 CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
33 * @brief Forwarding Flags on the entry - checked in the data-path
35 mfib_itf_flags_t mfi_flags;
38 * The SW IF index that this MFIB interface represents
43 * The index of the signal in the pending list
48 * A hash table of path-inidices that are contributing flags to this interface.
49 * Since paths with next-hops can be on the same interface and each of those
50 * paths can contribute different flags, we need to maintain the flag
51 * contribution from each path, and use a combination for forwarding.
57 * update an interface from a path.
58 * returns 1 if the entry is removed, i.e. has no flags left, as a result
61 extern int mfib_itf_update(mfib_itf_t *itf,
62 fib_node_index_t path_index,
63 mfib_itf_flags_t mfi_flags);
65 extern index_t mfib_itf_create(fib_node_index_t path_index,
66 mfib_itf_flags_t mfi_flags);
68 extern void mfib_itf_delete(mfib_itf_t *itf);
70 extern u8 *format_mfib_itf(u8 * s, va_list * args);
72 extern void mfib_itf_mac_add(mfib_itf_t *itf,
73 const mfib_prefix_t *pfx);
74 extern void mfib_itf_mac_del(mfib_itf_t *itf,
75 const mfib_prefix_t *pfx);
77 extern mfib_itf_t *mfib_itf_pool;
80 * Get the MFIB interface representation
82 static inline mfib_itf_t *
83 mfib_itf_get (index_t mi)
85 return (pool_elt_at_index(mfib_itf_pool, mi));
89 mfib_itf_get_index (const mfib_itf_t *mfi)
91 return (mfi - mfib_itf_pool);