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rawdev: support telemetry dump rawdev

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This patch supports telemetry dump rawdev.

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 07:13:43 +00:00 committed by David Marchand
parent a3b7b476d7
commit e915d404eb
1 changed files with 42 additions and 0 deletions
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42
lib/rawdev/rte_rawdev.c
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@ -638,6 +638,46 @@ handle_dev_xstats(const char *cmd __rte_unused,
return 0;
}
static int
handle_dev_dump(const char *cmd __rte_unused,
const char *params,
struct rte_tel_data *d)
{
char *buf, *end_param;
int dev_id, ret;
FILE *f;
if (params == NULL || strlen(params) == 0 || !isdigit(*params))
return -EINVAL;
dev_id = strtoul(params, &end_param, 0);
if (*end_param != '\0')
RTE_RDEV_LOG(NOTICE,
"Extra parameters passed to rawdev telemetry command, ignoring");
if (!rte_rawdev_pmd_is_valid_dev(dev_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_rawdev_dump(dev_id, f);
fclose(f);
if (ret == 0) {
rte_tel_data_start_dict(d);
rte_tel_data_string(d, buf);
}
free(buf);
return 0;
}
RTE_LOG_REGISTER_DEFAULT(librawdev_logtype, INFO);
RTE_INIT(librawdev_init_telemetry)
@ -646,4 +686,6 @@ RTE_INIT(librawdev_init_telemetry)
"Returns list of available rawdev ports. Takes no parameters");
rte_telemetry_register_cmd("/rawdev/xstats", handle_dev_xstats,
"Returns the xstats for a rawdev port. Parameters: int port_id");
rte_telemetry_register_cmd("/rawdev/dump", handle_dev_dump,
"Returns dump information for a rawdev port. Parameters: int port_id");
}