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             : #ifndef __INTERFACE_RX_DPO_H__
      17             : #define __INTERFACE_RX_DPO_H__
      18             : 
      19             : #include <vnet/dpo/dpo.h>
      20             : 
      21             : /**
      22             :  * @brief
      23             :  * The data-path object representing a change of receive interface.
      24             :  * If a packet encounters an object of this type in the data-path, it's
      25             :  * RX interface is changed.
      26             :  */
      27             : typedef struct interface_rx_dpo_t_
      28             : {
      29             :     /**
      30             :      * The Software interface index that the packets will be given
      31             :      * as the ingress/rx interface
      32             :      */
      33             :     u32 ido_sw_if_index;
      34             : 
      35             :     /**
      36             :      * next VLIB node. A '<proto>-input' node.
      37             :      */
      38             :     u32 ido_next_node;
      39             : 
      40             :     /**
      41             :      * DPO protocol that the packets will have as they 'ingress'
      42             :      * on this interface
      43             :      */
      44             :     dpo_proto_t ido_proto;
      45             : 
      46             :     /**
      47             :      * number of locks.
      48             :      */
      49             :     u16 ido_locks;
      50             : } interface_rx_dpo_t;
      51             : 
      52             : extern void interface_rx_dpo_add_or_lock (dpo_proto_t proto,
      53             :                                           u32 sw_if_index,
      54             :                                           dpo_id_t *dpo);
      55             : 
      56             : extern void interface_rx_dpo_module_init(void);
      57             : 
      58             : /**
      59             :  * @brief pool of all interface DPOs
      60             :  */
      61             : extern interface_rx_dpo_t *interface_rx_dpo_pool;
      62             : 
      63             : static inline interface_rx_dpo_t *
      64        1146 : interface_rx_dpo_get (index_t index)
      65             : {
      66        1146 :     return (pool_elt_at_index(interface_rx_dpo_pool, index));
      67             : }
      68             : 
      69             : #endif