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From: Chengwen Feng <fengchengwen@huawei.com>
To: <thomas@monjalon.net>, <ferruh.yigit@xilinx.com>, <kevin.laatz@intel.com>,
<bruce.richardson@intel.com>, <andrew.rybchenko@oktetlabs.ru>,
<jerinj@marvell.com>, <sachin.saxena@oss.nxp.com>, <hemant.agrawal@nxp.com>,
<mb@smartsharesystems.com>
CC: <dev@dpdk.org>
Subject: [PATCH v3 4/4] ethdev: support telemetry private dump
Date: Tue, 13 Sep 2022 02:44:16 +0000
Message-ID: <20220913024416.45207-5-fengchengwen@huawei.com>
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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>
---
lib/ethdev/rte_ethdev.c | 43 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index 1979dc0850..c34a9f0c4a 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -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>
@@ -5644,6 +5645,46 @@ eth_dev_handle_port_xstats(const char *cmd __rte_unused,
return 0;
}
+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;
+}
+
static int
eth_dev_handle_port_link_status(const char *cmd __rte_unused,
const char *params,
@@ -5927,6 +5968,8 @@ 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");
+ rte_telemetry_register_cmd("/ethdev/dump_priv", eth_dev_handle_port_dump_priv,
+ "Returns dump private information for a port. Parameters: int port_id");
rte_telemetry_register_cmd("/ethdev/link_status",
eth_dev_handle_port_link_status,
"Returns the link status for a port. Parameters: int port_id");
--
2.17.1