Line data    Source code

       1             : /*
       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:
       6             :  *
       7             :  *     http://www.apache.org/licenses/LICENSE-2.0
       8             :  *
       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.
      14             :  */
      15             : /**
      16             :  * @brief
      17             :  * The data-path object representing receiveing the packet, i.e. it's for-us
      18             :  */
      19             : 
      20             : #ifndef __RECEIVE_DPO_H__
      21             : #define __RECEIVE_DPO_H__
      22             : 
      23             : #include <vnet/dpo/dpo.h>
      24             : #include <vnet/ip/ip46_address.h>
      25             : 
      26             : typedef struct receive_dpo_t_
      27             : {
      28             :     /**
      29             :      * required for pool_get_aligned.
      30             :      *  memebers used in the switch path come first!
      31             :      */
      32             :     CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
      33             : 
      34             :     /**
      35             :      * The Software interface index on which traffic is received
      36             :      */
      37             :     u32 rd_sw_if_index;
      38             : 
      39             :     /**
      40             :      * The address on the receive interface. packet are destined to this address
      41             :      */
      42             :     ip46_address_t rd_addr;
      43             : 
      44             :     /**
      45             :      * number oflocks.
      46             :      */
      47             :     u16 rd_locks;
      48             : } receive_dpo_t;
      49             : 
      50             : extern int dpo_is_receive(const dpo_id_t *dpo);
      51             : 
      52             : extern void receive_dpo_add_or_lock (dpo_proto_t proto,
      53             :                                      u32 sw_if_index,
      54             :                                      const ip46_address_t *nh_addr,
      55             :                                      dpo_id_t *dpo);
      56             : 
      57             : extern void receive_dpo_module_init(void);
      58             : 
      59             : /**
      60             :  * @brief pool of all receive DPOs
      61             :  */
      62             : extern receive_dpo_t *receive_dpo_pool;
      63             : 
      64             : static inline receive_dpo_t *
      65     1920217 : receive_dpo_get (index_t index)
      66             : {
      67     1920217 :     return (pool_elt_at_index(receive_dpo_pool, index));
      68             : }
      69             : 
      70             : #endif