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Diffstat (limited to 'vnet/vnet/fib/fib_entry_delegate.h')
| -rw-r--r-- | vnet/vnet/fib/fib_entry_delegate.h | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/vnet/vnet/fib/fib_entry_delegate.h b/vnet/vnet/fib/fib_entry_delegate.h deleted file mode 100644 index 6d3a6549f32..00000000000 --- a/vnet/vnet/fib/fib_entry_delegate.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * 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_ENTRY_DELEGATE_T__ -#define __FIB_ENTRY_DELEGATE_T__ - -#include <vnet/fib/fib_node.h> - -/** - * Delegate types - */ -typedef enum fib_entry_delegate_type_t_ { - /** - * Forwarding chain types: - * for the vast majority of FIB entries only one chain is required - the - * one that forwards traffic matching the fib_entry_t's fib_prefix_t. For those - * fib_entry_t that are a resolution target for other fib_entry_t's they will also - * need the chain to provide forwarding for those children. We store these additional - * chains in delegates to save memory in the common case. - */ - FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP4 = FIB_FORW_CHAIN_TYPE_UNICAST_IP4, - FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP6 = FIB_FORW_CHAIN_TYPE_UNICAST_IP6, - FIB_ENTRY_DELEGATE_CHAIN_MPLS_EOS = FIB_FORW_CHAIN_TYPE_MPLS_EOS, - FIB_ENTRY_DELEGATE_CHAIN_MPLS_NON_EOS = FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, - FIB_ENTRY_DELEGATE_CHAIN_ETHERNET = FIB_FORW_CHAIN_TYPE_ETHERNET, - /** - * Dependency list of covered entries. - * these are more specific entries that are interested in changes - * to their respective cover - */ - FIB_ENTRY_DELEGATE_COVERED, - /** - * Attached import/export functionality - */ - FIB_ENTRY_DELEGATE_ATTACHED_IMPORT, - FIB_ENTRY_DELEGATE_ATTACHED_EXPORT, -} fib_entry_delegate_type_t; - -#define FOR_EACH_DELEGATE_CHAIN(_entry, _fdt, _fed, _body) \ -{ \ - for (_fdt = FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP4; \ - _fdt <= FIB_ENTRY_DELEGATE_CHAIN_ETHERNET; \ - _fdt++) \ - { \ - _fed = fib_entry_delegate_get(_entry, _fdt); \ - if (NULL != _fed) { \ - _body; \ - } \ - } \ -} - -/** - * A Delagate is a means to implmenet the Delagation design pattern; the extension of an - * objects functionality through the composition of, and delgation to, other objects. - * These 'other' objects are delegates. Delagates are thus attached to other FIB objects - * to extend their functionality. - */ -typedef struct fib_entry_delegate_t_ -{ - /** - * The FIB entry object to which the delagate is attached - */ - fib_node_index_t fd_entry_index; - - /** - * The delagate type - */ - fib_entry_delegate_type_t fd_type; - - /** - * A union of data for the different delegate types - * These delegates are stored in a sparse vector on the entry, so they - * must all be of the same size. We could use indirection here for all types, - * i.e. store an index, that's ok for large delegates, like the attached export - * but for the chain delegates it's excessive - */ - union - { - /** - * Valid for the forwarding chain delegates. The LB that is built. - */ - dpo_id_t fd_dpo; - - /** - * Valid for the attached import cases. An index of the importer/exporter - */ - fib_node_index_t fd_index; - - /** - * For the cover tracking. The node list; - */ - fib_node_list_t fd_list; - }; -} fib_entry_delegate_t; - -struct fib_entry_t_; - -extern void fib_entry_delegate_remove(struct fib_entry_t_ *fib_entry, - fib_entry_delegate_type_t type); - -extern fib_entry_delegate_t *fib_entry_delegate_find_or_add(struct fib_entry_t_ *fib_entry, - fib_entry_delegate_type_t fdt); -extern fib_entry_delegate_t *fib_entry_delegate_get(const struct fib_entry_t_ *fib_entry, - fib_entry_delegate_type_t type); - -extern fib_forward_chain_type_t fib_entry_delegate_type_to_chain_type( - fib_entry_delegate_type_t type); - -extern fib_entry_delegate_type_t fib_entry_chain_type_to_delegate_type( - fib_forward_chain_type_t type); - -#endif |