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 __CLASSIFY_DPO_H__
      17             : #define __CLASSIFY_DPO_H__
      18             : 
      19             : #include <vnet/vnet.h>
      20             : #include <vnet/mpls/packet.h>
      21             : #include <vnet/dpo/dpo.h>
      22             : 
      23             : /**
      24             :  * A representation of an MPLS label for imposition in the data-path
      25             :  */
      26             : typedef struct classify_dpo_t
      27             : {
      28             :     /**
      29             :      * required for pool_get_aligned.
      30             :      */
      31             :     CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
      32             : 
      33             :     dpo_proto_t cd_proto;
      34             : 
      35             :     u32 cd_table_index;
      36             : 
      37             :     /**
      38             :      * Number of locks/users of the label
      39             :      */
      40             :     u16 cd_locks;
      41             : } classify_dpo_t;
      42             : 
      43             : extern index_t classify_dpo_create(dpo_proto_t proto,
      44             :                                    u32 classify_table_index);
      45             : 
      46             : extern u8* format_classify_dpo(u8 *s, va_list *args);
      47             : 
      48             : /*
      49             :  * Encapsulation violation for fast data-path access
      50             :  */
      51             : extern classify_dpo_t *classify_dpo_pool;
      52             : 
      53             : static inline classify_dpo_t *
      54           0 : classify_dpo_get (index_t index)
      55             : {
      56           0 :     return (pool_elt_at_index(classify_dpo_pool, index));
      57             : }
      58             : 
      59             : extern void classify_dpo_module_init(void);
      60             : 
      61             : #endif