numam-dpdk/lib/librte_metrics/rte_metrics_telemetry.h
Jie Zhou 88f4450ab2 metrics: export telemetry stubs if no libjansson
This patch allows the same set of rte_metrics_tel_* functions to be
exported no matter JANSSON is available or not, by doing following:
1.	Leverage dpdk_conf to set configuration flag RTE_HAS_JANSSON
when Jansson dependency is found.
2.	In rte_metrics_telemetry.c, leverage RTE_HAS_JANSSON to handle the
case when JANSSON is not available by adding stubs for all the instances.
3.	In meson.build, per dpdk/doc/guides/rel_notes/release_20_05.rst,
it is claimed that "Telemetry library is no longer dependent on the
external Jansson library, which allows Telemetry be enabled by default.",
thus make the deps and includes of Telemetry as not conditional anymore.

Signed-off-by: Jie Zhou <jizh@microsoft.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
2021-03-16 10:08:06 +01:00

64 lines
1.3 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2020 Intel Corporation
*/
#ifdef RTE_HAS_JANSSON
#include <jansson.h>
#else
#define json_t void *
#endif
#include "rte_metrics.h"
#ifndef _RTE_METRICS_TELEMETRY_H_
#define _RTE_METRICS_TELEMETRY_H_
enum rte_telemetry_stats_type {
PORT_STATS = 0,
GLOBAL_STATS = 1
};
struct telemetry_encode_param {
enum rte_telemetry_stats_type type;
struct port_param {
int num_metric_ids;
uint32_t metric_ids[RTE_METRICS_MAX_METRICS];
int num_port_ids;
uint32_t port_ids[RTE_MAX_ETHPORTS];
} pp;
};
struct telemetry_metrics_data {
int reg_index[RTE_MAX_ETHPORTS];
int metrics_register_done;
};
__rte_experimental
int32_t rte_metrics_tel_reg_all_ethdev(int *metrics_register_done,
int *reg_index_list);
__rte_experimental
int32_t
rte_metrics_tel_encode_json_format(struct telemetry_encode_param *ep,
char **json_buffer);
__rte_experimental
int32_t
rte_metrics_tel_get_global_stats(struct telemetry_encode_param *ep);
__rte_experimental
int32_t
rte_metrics_tel_get_port_stats_ids(struct telemetry_encode_param *ep);
__rte_experimental
int32_t
rte_metrics_tel_get_ports_stats_json(struct telemetry_encode_param *ep,
int *reg_index, char **json_buffer);
__rte_experimental
int32_t
rte_metrics_tel_extract_data(struct telemetry_encode_param *ep, json_t *data);
#endif