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Vector Packet Processing
stat_segment_shared.h
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/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef included_stat_segment_shared_h
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#define included_stat_segment_shared_h
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typedef
enum
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{
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STAT_DIR_TYPE_ILLEGAL
= 0,
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STAT_DIR_TYPE_SCALAR_INDEX
,
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STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE
,
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STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED
,
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STAT_DIR_TYPE_ERROR_INDEX
,
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STAT_DIR_TYPE_NAME_VECTOR
,
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STAT_DIR_TYPE_EMPTY
,
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}
stat_directory_type_t
;
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typedef
struct
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{
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stat_directory_type_t
type
;
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union
{
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uint64_t
offset
;
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uint64_t
index
;
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uint64_t
value
;
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};
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uint64_t
offset_vector
;
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char
name
[128];
// TODO change this to pointer to "somewhere"
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}
stat_segment_directory_entry_t
;
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/*
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* Shared header first in the shared memory segment.
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*/
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typedef
struct
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{
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uint64_t
version
;
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volatile
uint64_t
epoch
;
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volatile
uint64_t
in_progress
;
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volatile
uint64_t
directory_offset
;
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volatile
uint64_t
error_offset
;
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volatile
uint64_t
stats_offset
;
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}
stat_segment_shared_header_t
;
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static
inline
void
*
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stat_segment_pointer
(
void
*start, uint64_t
offset
)
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{
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return
((
char
*) start + offset);
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}
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#endif
/* included_stat_segment_shared_h */
stat_segment_shared_header_t::in_progress
volatile uint64_t in_progress
Definition:
stat_segment_shared.h:49
stat_segment_directory_entry_t
Definition:
stat_segment_shared.h:30
stat_segment_directory_entry_t::index
uint64_t index
Definition:
stat_segment_shared.h:35
STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED
Definition:
stat_segment_shared.h:24
STAT_DIR_TYPE_NAME_VECTOR
Definition:
stat_segment_shared.h:26
STAT_DIR_TYPE_ERROR_INDEX
Definition:
stat_segment_shared.h:25
stat_segment_directory_entry_t::value
uint64_t value
Definition:
stat_segment_shared.h:36
stat_segment_pointer
static void * stat_segment_pointer(void *start, uint64_t offset)
Definition:
stat_segment_shared.h:56
stat_segment_shared_header_t::stats_offset
volatile uint64_t stats_offset
Definition:
stat_segment_shared.h:52
STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE
Definition:
stat_segment_shared.h:23
stat_segment_shared_header_t::directory_offset
volatile uint64_t directory_offset
Definition:
stat_segment_shared.h:50
stat_segment_shared_header_t::epoch
volatile uint64_t epoch
Definition:
stat_segment_shared.h:48
stat_directory_type_t
stat_directory_type_t
Definition:
stat_segment_shared.h:19
stat_segment_directory_entry_t::offset
uint64_t offset
Definition:
stat_segment_shared.h:34
STAT_DIR_TYPE_ILLEGAL
Definition:
stat_segment_shared.h:21
stat_segment_shared_header_t::version
uint64_t version
Definition:
stat_segment_shared.h:47
name
u8 name[64]
Definition:
memclnt.api:152
stat_segment_shared_header_t::error_offset
volatile uint64_t error_offset
Definition:
stat_segment_shared.h:51
STAT_DIR_TYPE_EMPTY
Definition:
stat_segment_shared.h:27
stat_segment_directory_entry_t::offset_vector
uint64_t offset_vector
Definition:
stat_segment_shared.h:38
clib_bihash_value
template key/value backing page structure
Definition:
bihash_doc.h:44
stat_segment_shared_header_t
Definition:
stat_segment_shared.h:45
STAT_DIR_TYPE_SCALAR_INDEX
Definition:
stat_segment_shared.h:22
stat_segment_directory_entry_t::type
stat_directory_type_t type
Definition:
stat_segment_shared.h:32
src
vpp
stats
stat_segment_shared.h
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