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ethdev: support telemetry private dump

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This patch supports telemetry private dump a ethdev port.

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
This commit is contained in:
Chengwen Feng 2022-09-13 07:13:44 +00:00 committed by David Marchand
parent e915d404eb
commit 8af559f94c
1 changed files with 47 additions and 0 deletions
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47
lib/ethdev/rte_ethdev.c
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@ -7,6 +7,7 @@
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
@ -5726,6 +5727,48 @@ eth_dev_handle_port_xstats(const char *cmd __rte_unused,
return 0;
}
#ifndef RTE_EXEC_ENV_WINDOWS
static int
eth_dev_handle_port_dump_priv(const char *cmd __rte_unused,
const char *params,
struct rte_tel_data *d)
{
char *buf, *end_param;
int port_id, ret;
FILE *f;
if (params == NULL || strlen(params) == 0 || !isdigit(*params))
return -EINVAL;
port_id = strtoul(params, &end_param, 0);
if (*end_param != '\0')
RTE_ETHDEV_LOG(NOTICE,
"Extra parameters passed to ethdev telemetry command, ignoring");
if (!rte_eth_dev_is_valid_port(port_id))
return -EINVAL;
buf = calloc(sizeof(char), RTE_TEL_MAX_SINGLE_STRING_LEN);
if (buf == NULL)
return -ENOMEM;
f = fmemopen(buf, RTE_TEL_MAX_SINGLE_STRING_LEN - 1, "w+");
if (f == NULL) {
free(buf);
return -EINVAL;
}
ret = rte_eth_dev_priv_dump(port_id, f);
fclose(f);
if (ret == 0) {
rte_tel_data_start_dict(d);
rte_tel_data_string(d, buf);
}
free(buf);
return 0;
}
#endif /* !RTE_EXEC_ENV_WINDOWS */
static int
eth_dev_handle_port_link_status(const char *cmd __rte_unused,
const char *params,
@ -6012,6 +6055,10 @@ RTE_INIT(ethdev_init_telemetry)
"Returns the common stats for a port. Parameters: int port_id");
rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
"Returns the extended stats for a port. Parameters: int port_id");
#ifndef RTE_EXEC_ENV_WINDOWS
rte_telemetry_register_cmd("/ethdev/dump_priv", eth_dev_handle_port_dump_priv,
"Returns dump private information for a port. Parameters: int port_id");
#endif
rte_telemetry_register_cmd("/ethdev/link_status",
eth_dev_handle_port_link_status,
"Returns the link status for a port. Parameters: int port_id");