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Vector Packet Processing
stat_segment_shared.h
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1 /*
2  * Copyright (c) 2018 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 included_stat_segment_shared_h
17 #define included_stat_segment_shared_h
18 
19 typedef enum
20 {
30 
31 typedef struct
32 {
34  union {
35  struct
36  {
37  uint32_t index1;
38  uint32_t index2;
39  };
40  uint64_t index;
41  uint64_t value;
42  void *data;
43  };
44  char name[128]; // TODO change this to pointer to "somewhere"
46 
47 /*
48  * Shared header first in the shared memory segment.
49  */
50 typedef struct
51 {
52  uint64_t version;
53  void *base;
54  volatile uint64_t epoch;
55  volatile uint64_t in_progress;
57  volatile uint64_t **error_vector;
59 
60 static inline void *
61 stat_segment_pointer (void *start, uint64_t offset)
62 {
63  return ((char *) start + offset);
64 }
65 
66 #endif /* included_stat_segment_shared_h */
STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED
@ STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED
Definition: stat_segment_shared.h:24
stat_segment_shared_header_t::base
void * base
Definition: stat_segment_shared.h:53
stat_segment_shared_header_t::error_vector
volatile uint64_t ** error_vector
Definition: stat_segment_shared.h:57
stat_segment_directory_entry_t::data
void * data
Definition: stat_segment_shared.h:42
name
string name[64]
Definition: fib.api:25
STAT_DIR_TYPE_NAME_VECTOR
@ STAT_DIR_TYPE_NAME_VECTOR
Definition: stat_segment_shared.h:26
STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE
@ STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE
Definition: stat_segment_shared.h:23
stat_directory_type_t
stat_directory_type_t
Definition: stat_segment_shared.h:19
stat_segment_directory_entry_t::index1
uint32_t index1
Definition: stat_segment_shared.h:37
stat_segment_shared_header_t::version
uint64_t version
Definition: stat_segment_shared.h:52
stat_segment_directory_entry_t::index
uint64_t index
Definition: stat_segment_shared.h:40
STAT_DIR_TYPE_EMPTY
@ STAT_DIR_TYPE_EMPTY
Definition: stat_segment_shared.h:27
stat_segment_pointer
static void * stat_segment_pointer(void *start, uint64_t offset)
Definition: stat_segment_shared.h:61
stat_segment_directory_entry_t::value
uint64_t value
Definition: stat_segment_shared.h:41
stat_segment_shared_header_t::directory_vector
volatile stat_segment_directory_entry_t * directory_vector
Definition: stat_segment_shared.h:56
stat_segment_shared_header_t
Definition: stat_segment_shared.h:50
STAT_DIR_TYPE_SYMLINK
@ STAT_DIR_TYPE_SYMLINK
Definition: stat_segment_shared.h:28
stat_segment_directory_entry_t
Definition: stat_segment_shared.h:31
stat_segment_shared_header_t::in_progress
volatile uint64_t in_progress
Definition: stat_segment_shared.h:55
clib_bihash_value
template key/value backing page structure
Definition: bihash_doc.h:44
STAT_DIR_TYPE_SCALAR_INDEX
@ STAT_DIR_TYPE_SCALAR_INDEX
Definition: stat_segment_shared.h:22
stat_segment_directory_entry_t::index2
uint32_t index2
Definition: stat_segment_shared.h:38
STAT_DIR_TYPE_ILLEGAL
@ STAT_DIR_TYPE_ILLEGAL
Definition: stat_segment_shared.h:21
stat_segment_directory_entry_t::type
stat_directory_type_t type
Definition: stat_segment_shared.h:33
STAT_DIR_TYPE_ERROR_INDEX
@ STAT_DIR_TYPE_ERROR_INDEX
Definition: stat_segment_shared.h:25
stat_segment_shared_header_t::epoch
volatile uint64_t epoch
Definition: stat_segment_shared.h:54