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Diffstat (limited to 'src/vnet/mfib/mfib_entry.h')
| -rw-r--r-- | src/vnet/mfib/mfib_entry.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/vnet/mfib/mfib_entry.h b/src/vnet/mfib/mfib_entry.h new file mode 100644 index 00000000000..cc5d5326ef6 --- /dev/null +++ b/src/vnet/mfib/mfib_entry.h @@ -0,0 +1,172 @@ +/* + * 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/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; + /** + * the path-list for which this entry is a child. This is also the path-list + * that is contributing forwarding for this entry. + */ + fib_node_index_t mfe_parent; + /** + * index of this entry in the parent's child list. + * This is set when this entry is added as a child, but can also + * be changed by the parent as it manages its list. + */ + u32 mfe_sibling; + + /** + * A vector of sources contributing forwarding + */ + struct mfib_entry_src_t_ *mfe_srcs; + + /** + * 2nd cache line has the members used in the data plane + */ + CLIB_CACHE_LINE_ALIGN_MARK(cacheline1); + + /** + * The Replicate used for forwarding. + */ + dpo_id_t mfe_rep; + + /** + * Route flags + */ + mfib_entry_flags_t mfe_flags; + + /** + * A hash table of interfaces + */ + mfib_itf_t *mfe_itfs; +} mfib_entry_t; + +#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, + mfib_entry_flags_t entry_flags); + +extern int mfib_entry_update(fib_node_index_t fib_entry_index, + mfib_source_t source, + mfib_entry_flags_t entry_flags); + +extern void mfib_entry_path_update(fib_node_index_t fib_entry_index, + mfib_source_t source, + const fib_route_path_t *rpath, + mfib_itf_flags_t itf_flags); + + +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 void mfib_entry_get_prefix(fib_node_index_t fib_entry_index, + mfib_prefix_t *pfx); +extern u32 mfib_entry_get_fib_index(fib_node_index_t fib_entry_index); + +extern void mfib_entry_contribute_forwarding( + fib_node_index_t mfib_entry_index, + fib_forward_chain_type_t type, + dpo_id_t *dpo); + +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 |