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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 v2 4/5] rawdev: support telemetry dump rawdev
Date: Fri, 17 Jun 2022 17:46:23 +0800
Message-ID: <20220617094624.17578-5-fengchengwen@huawei.com>
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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>
---
lib/rawdev/rte_rawdev.c | 42 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/lib/rawdev/rte_rawdev.c b/lib/rawdev/rte_rawdev.c
index 2f0a4f132e..a4cdd418f8 100644
--- a/lib/rawdev/rte_rawdev.c
+++ b/lib/rawdev/rte_rawdev.c
@@ -613,6 +613,46 @@ 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)
@@ -621,4 +661,6 @@ 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");
}
--
2.33.0