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.
19 #include <vnet/dpo/dpo.h>
22 * Control how the reinject is performed
24 typedef enum dvr_dpo_reinject_t_
28 } __clib_packed dvr_dpo_reinject_t;
32 * The DVR DPO. Used as the resolving object for a DVR route.
33 * This is used, in place of the usual L3 Adjacency, to retransmit
34 * the packet with the original L2 header intact but also to run L3 features.
35 * After running L3 features the packet is re-injected back into the L2 path
36 * so it can pick up the necessary VLAN tags of the egress interface.
37 * This re-injection is done with an output feature.
39 typedef struct dvr_dpo_t_
42 * The Software interface index that the packets will output on
47 * The protocol of packets using this DPO
52 * Control for how the re-inject is performed
54 dvr_dpo_reinject_t dd_reinject;
62 /* 8 bytes is a factor of cache line size so this struct will never span */
63 STATIC_ASSERT_SIZEOF(dvr_dpo_t, 8);
65 extern void dvr_dpo_add_or_lock (u32 sw_if_index,
69 extern void dvr_dpo_module_init(void);
72 * @brief pool of all interface DPOs
74 extern dvr_dpo_t *dvr_dpo_pool;
76 static inline dvr_dpo_t *
77 dvr_dpo_get (index_t index)
79 return (pool_elt_at_index(dvr_dpo_pool, index));