From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001 From: sreejith Date: Wed, 29 Mar 2017 01:15:02 -0400 Subject: Added vpp intial source code from master branch 17.01.1 Change-Id: I81bdace6f330825a1746a853766779dfb24765fd Signed-off-by: sreejith --- vpp/vnet/vnet/fib/fib_path_ext.h | 69 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 vpp/vnet/vnet/fib/fib_path_ext.h (limited to 'vpp/vnet/vnet/fib/fib_path_ext.h') diff --git a/vpp/vnet/vnet/fib/fib_path_ext.h b/vpp/vnet/vnet/fib/fib_path_ext.h new file mode 100644 index 00000000..cf8f8df0 --- /dev/null +++ b/vpp/vnet/vnet/fib/fib_path_ext.h @@ -0,0 +1,69 @@ +/* + * 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_PATH_EXT_H__ +#define __FIB_PATH_EXT_H__ + +#include +#include + +/** + * A path extension is a per-entry addition to the forwarding information + * when packets are sent for that entry over that path. + * + * For example: + * ip route add 1.1.1.1/32 via 10.10.10.10 out-label 100 + * + * The out-going MPLS label value 100 is a path-extension. It is a value sepcific + * to the entry 1.1.1.1/32 and valid only when packets are sent via 10.10.10.10. + */ +typedef struct fib_path_ext_t_ +{ + /** + * A description of the path that is being extended. + * This description is used to match this extension with the [changing] + * instance of a fib_path_t that is extended + */ + fib_route_path_t fpe_path; +#define fpe_label_stack fpe_path.frp_label_stack + + /** + * The index of the path. This is the global index, not the path's + * position in the path-list. + */ + fib_node_index_t fpe_path_index; +} fib_path_ext_t; + +struct fib_entry_t_; + +extern u8 * format_fib_path_ext(u8 * s, va_list * args); + +extern void fib_path_ext_init(fib_path_ext_t *path_ext, + fib_node_index_t path_list_index, + const fib_route_path_t *rpath); + +extern int fib_path_ext_cmp(fib_path_ext_t *path_ext, + const fib_route_path_t *rpath); + +extern void fib_path_ext_resolve(fib_path_ext_t *path_ext, + fib_node_index_t path_list_index); + +extern load_balance_path_t *fib_path_ext_stack(fib_path_ext_t *path_ext, + const struct fib_entry_t_ *entry, + fib_forward_chain_type_t fct, + load_balance_path_t *nhs); + +#endif + -- cgit 1.2.3-korg