Adding upstream version 6.8.0.upstream/6.8.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1131 insertions, 0 deletions

diff --git a/rdma/stat.c b/rdma/stat.c
new file mode 100644
index 0000000..bf78f7c
--- /dev/null
+++ b/rdma/stat.c
@@ -0,0 +1,1131 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * rdma.c	RDMA tool
+ * Authors:     Mark Zhang <markz@mellanox.com>
+ */
+
+#include "rdma.h"
+#include "res.h"
+#include "stat.h"
+#include <inttypes.h>
+
+static int stat_help(struct rd *rd)
+{
+	pr_out("Usage: %s [ OPTIONS ] statistic { COMMAND | help }\n", rd->filename);
+	pr_out("       %s statistic OBJECT show\n", rd->filename);
+	pr_out("       %s statistic OBJECT show link [ DEV/PORT_INDEX ] [ FILTER-NAME FILTER-VALUE ]\n", rd->filename);
+	pr_out("       %s statistic OBJECT mode\n", rd->filename);
+	pr_out("       %s statistic OBJECT set COUNTER_SCOPE [DEV/PORT_INDEX] auto {CRITERIA | off}\n", rd->filename);
+	pr_out("       %s statistic OBJECT bind COUNTER_SCOPE [DEV/PORT_INDEX] [OBJECT-ID] [COUNTER-ID]\n", rd->filename);
+	pr_out("       %s statistic OBJECT unbind COUNTER_SCOPE [DEV/PORT_INDEX] [COUNTER-ID]\n", rd->filename);
+	pr_out("       %s statistic show\n", rd->filename);
+	pr_out("       %s statistic show link [ DEV/PORT_INDEX ]\n", rd->filename);
+	pr_out("       %s statistic mode [ supported ]\n", rd->filename);
+	pr_out("       %s statistic mode [ supported ] link [ DEV/PORT_INDEX ]\n", rd->filename);
+	pr_out("       %s statistic set link [ DEV/PORT_INDEX ] optional-counters [ OPTIONAL-COUNTERS ]\n", rd->filename);
+	pr_out("       %s statistic unset link [ DEV/PORT_INDEX ] optional-counters\n", rd->filename);
+	pr_out("where  OBJECT: = { qp }\n");
+	pr_out("       CRITERIA : = { type }\n");
+	pr_out("       COUNTER_SCOPE: = { link | dev }\n");
+	pr_out("       FILTER_NAME: = { cntn | lqpn | pid }\n");
+	pr_out("Examples:\n");
+	pr_out("       %s statistic qp show\n", rd->filename);
+	pr_out("       %s statistic qp show link mlx5_2/1\n", rd->filename);
+	pr_out("       %s statistic qp mode\n", rd->filename);
+	pr_out("       %s statistic qp mode link mlx5_0\n", rd->filename);
+	pr_out("       %s statistic qp set link mlx5_2/1 auto type on\n", rd->filename);
+	pr_out("       %s statistic qp set link mlx5_2/1 auto off\n", rd->filename);
+	pr_out("       %s statistic qp bind link mlx5_2/1 lqpn 178\n", rd->filename);
+	pr_out("       %s statistic qp bind link mlx5_2/1 lqpn 178 cntn 4\n", rd->filename);
+	pr_out("       %s statistic qp unbind link mlx5_2/1 cntn 4\n", rd->filename);
+	pr_out("       %s statistic qp unbind link mlx5_2/1 cntn 4 lqpn 178\n", rd->filename);
+	pr_out("       %s statistic show\n", rd->filename);
+	pr_out("       %s statistic show link mlx5_2/1\n", rd->filename);
+	pr_out("       %s statistic mode\n", rd->filename);
+	pr_out("       %s statistic mode link mlx5_2/1\n", rd->filename);
+	pr_out("       %s statistic mode supported\n", rd->filename);
+	pr_out("       %s statistic mode supported link mlx5_2/1\n", rd->filename);
+	pr_out("       %s statistic set link mlx5_2/1 optional-counters cc_rx_ce_pkts,cc_rx_cnp_pkts\n", rd->filename);
+	pr_out("       %s statistic unset link mlx5_2/1 optional-counters\n", rd->filename);
+
+	return 0;
+}
+
+struct counter_param {
+	char *name;
+	uint32_t attr;
+};
+
+static struct counter_param auto_params[] = {
+	{ "type", RDMA_COUNTER_MASK_QP_TYPE, },
+	{ "pid", RDMA_COUNTER_MASK_PID, },
+	{ NULL },
+};
+
+static int prepare_auto_mode_str(uint32_t mask, char *output, int len)
+{
+	char s[] = "qp auto";
+	int i, outlen = strlen(s);
+	bool first = true;
+
+	memset(output, 0, len);
+	snprintf(output, len, "%s", s);
+
+	if (mask) {
+		for (i = 0; auto_params[i].name != NULL; i++) {
+			if (mask & auto_params[i].attr) {
+				outlen += strlen(auto_params[i].name) + 1;
+				if (outlen >= len)
+					return -EINVAL;
+				if (first) {
+					strcat(output, " ");
+					first = false;
+				} else
+					strcat(output, ",");
+
+				strcat(output, auto_params[i].name);
+			}
+		}
+
+		if (outlen + strlen(" on") >= len)
+			return -EINVAL;
+		strcat(output, " on");
+	} else {
+		if (outlen + strlen(" off") >= len)
+			return -EINVAL;
+		strcat(output, " off");
+	}
+
+	return 0;
+}
+
+static int qp_link_get_mode_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	uint32_t mode = 0, mask = 0;
+	char output[128] = {};
+	uint32_t idx, port;
+	const char *name;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
+		return MNL_CB_ERROR;
+
+	if (!tb[RDMA_NLDEV_ATTR_PORT_INDEX]) {
+		pr_err("This tool doesn't support switches yet\n");
+		return MNL_CB_ERROR;
+	}
+
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+	port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	if (tb[RDMA_NLDEV_ATTR_STAT_MODE])
+		mode = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_STAT_MODE]);
+
+	if (mode == RDMA_COUNTER_MODE_AUTO) {
+		if (!tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK])
+			return MNL_CB_ERROR;
+		mask = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK]);
+		prepare_auto_mode_str(mask, output, sizeof(output));
+	} else {
+		snprintf(output, sizeof(output), "qp auto off");
+	}
+
+	open_json_object(NULL);
+	print_link(idx, name, port, tb);
+	print_string(PRINT_ANY, "mode", "mode %s ", output);
+	close_json_object();
+	newline();
+
+	return MNL_CB_OK;
+}
+
+static int stat_one_qp_link_get_mode(struct rd *rd)
+{
+	uint32_t seq;
+	int ret;
+
+	if (!rd->port_idx)
+		return 0;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	/* Make RDMA_NLDEV_ATTR_STAT_MODE valid so that kernel knows
+	 * return only mode instead of all counters
+	 */
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_MODE,
+			 RDMA_COUNTER_MODE_MANUAL);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	ret = rd_recv_msg(rd, qp_link_get_mode_parse_cb, rd, seq);
+	return ret;
+}
+
+static int stat_qp_link_get_mode(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_qp_link_get_mode, false);
+}
+
+static int stat_qp_get_mode(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_qp_link_get_mode },
+		{ "link",	stat_qp_link_get_mode },
+		{ "help",	stat_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+int res_get_hwcounters(struct nlattr *hwc_table, bool print)
+{
+	struct nlattr *nla_entry;
+	const char *nm;
+	uint64_t v;
+	int err;
+
+	mnl_attr_for_each_nested(nla_entry, hwc_table) {
+		struct nlattr *hw_line[RDMA_NLDEV_ATTR_MAX] = {};
+
+		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, hw_line);
+		if (err != MNL_CB_OK)
+			return -EINVAL;
+
+		if (!hw_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME] ||
+		    !hw_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE]) {
+			return -EINVAL;
+		}
+
+		if (!print)
+			continue;
+
+		nm = mnl_attr_get_str(hw_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]);
+		v = mnl_attr_get_u64(hw_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE]);
+		newline_indent();
+		res_print_u64(nm, v, hw_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]);
+	}
+
+	return MNL_CB_OK;
+}
+
+static int res_counter_line(struct rd *rd, const char *name, int index,
+		       struct nlattr **nla_line)
+{
+	uint32_t cntn, port = 0, pid = 0, qpn, qp_type = 0;
+	struct nlattr *hwc_table, *qp_table;
+	struct nlattr *nla_entry;
+	const char *comm = NULL;
+	SPRINT_BUF(b);
+	bool isfirst;
+	int err;
+
+	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+		port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+	hwc_table = nla_line[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS];
+	qp_table = nla_line[RDMA_NLDEV_ATTR_RES_QP];
+	if (!hwc_table || !qp_table ||
+	    !nla_line[RDMA_NLDEV_ATTR_STAT_COUNTER_ID])
+		return MNL_CB_ERROR;
+
+	cntn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]);
+	if (rd_is_filtered_attr(rd, "cntn", cntn,
+				nla_line[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]))
+		return MNL_CB_OK;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
+		qp_type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+
+	if (rd_is_string_filtered_attr(rd, "qp-type", qp_types_to_str(qp_type),
+				       nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
+		return MNL_CB_OK;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		if (!get_task_name(pid, b, sizeof(b)))
+			comm = b;
+	} else if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
+		/* discard const from mnl_attr_get_str */
+		comm = (char *)mnl_attr_get_str(
+			nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		return MNL_CB_OK;
+
+	mnl_attr_for_each_nested(nla_entry, qp_table) {
+		struct nlattr *qp_line[RDMA_NLDEV_ATTR_MAX] = {};
+
+		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, qp_line);
+		if (err != MNL_CB_OK)
+			return -EINVAL;
+
+		if (!qp_line[RDMA_NLDEV_ATTR_RES_LQPN])
+			return -EINVAL;
+
+		qpn = mnl_attr_get_u32(qp_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+		if (rd_is_filtered_attr(rd, "lqpn", qpn,
+					qp_line[RDMA_NLDEV_ATTR_RES_LQPN]))
+			return MNL_CB_OK;
+	}
+
+	err = res_get_hwcounters(hwc_table, false);
+	if (err != MNL_CB_OK)
+		return err;
+	open_json_object(NULL);
+	print_link(index, name, port, nla_line);
+	print_uint(PRINT_ANY, "cntn", "cntn %u ", cntn);
+	if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
+		print_qp_type(qp_type);
+	res_print_u64("pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(comm, nla_line);
+	res_get_hwcounters(hwc_table, true);
+	isfirst = true;
+	open_json_array(PRINT_JSON, "lqpn");
+	print_string(PRINT_FP, NULL, "%s    LQPN: <", _SL_);
+	mnl_attr_for_each_nested(nla_entry, qp_table) {
+		struct nlattr *qp_line[RDMA_NLDEV_ATTR_MAX] = {};
+		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, qp_line);
+		if (err != MNL_CB_OK)
+			return -EINVAL;
+
+		if (!qp_line[RDMA_NLDEV_ATTR_RES_LQPN])
+			return -EINVAL;
+
+		qpn = mnl_attr_get_u32(qp_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+		if (!isfirst)
+			print_string(PRINT_FP, NULL, ",", NULL);
+		print_uint(PRINT_ANY, NULL, "%d", qpn);
+		isfirst = false;
+	}
+	close_json_array(PRINT_ANY, ">");
+	close_json_object();
+	newline();
+
+	return MNL_CB_OK;
+}
+
+static int stat_qp_show_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct nlattr *nla_table, *nla_entry;
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+	int ret = MNL_CB_OK;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
+	    !tb[RDMA_NLDEV_ATTR_STAT_COUNTER])
+		return MNL_CB_ERROR;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+	nla_table = tb[RDMA_NLDEV_ATTR_STAT_COUNTER];
+
+	mnl_attr_for_each_nested(nla_entry, nla_table) {
+		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+
+		ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+
+		ret = res_counter_line(rd, name, idx, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+	}
+
+	return ret;
+}
+
+static const struct filters stat_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "cntn", .is_number = true },
+	{ .name = "lqpn", .is_number = true },
+	{ .name = "pid", .is_number = true },
+	{ .name = "qp-type", .is_number = false },
+};
+
+static int stat_qp_show_one_link(struct rd *rd)
+{
+	int flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
+	uint32_t seq;
+	int ret;
+
+	if (!rd->port_idx)
+		return 0;
+
+	ret = rd_build_filter(rd, stat_valid_filters);
+	if (ret)
+		return ret;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET, &seq, flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	ret = rd_recv_msg(rd, stat_qp_show_parse_cb, rd, seq);
+	return ret;
+}
+
+static int stat_qp_show_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_qp_show_one_link, false);
+}
+
+static int stat_qp_show(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_qp_show_link },
+		{ "link",	stat_qp_show_link },
+		{ "help",	stat_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_qp_set_link_auto_sendmsg(struct rd *rd, uint32_t mask)
+{
+	uint32_t seq;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_MODE,
+			 RDMA_COUNTER_MODE_AUTO);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK, mask);
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int stat_get_auto_mode_mask(struct rd *rd)
+{
+	char *modes = rd_argv(rd), *mode, *saved_ptr;
+	const char *delim = ",";
+	int mask = 0, found, i;
+
+	if (!modes)
+		return mask;
+
+	mode = strtok_r(modes, delim, &saved_ptr);
+	do {
+		if (!mode)
+			break;
+
+		found = false;
+		for (i = 0;  auto_params[i].name != NULL; i++) {
+			if (!strcmp(mode, auto_params[i].name)) {
+				mask |= auto_params[i].attr;
+				found = true;
+				break;
+			}
+		}
+
+		if (!found) {
+			pr_err("Unknown auto mode '%s'.\n", mode);
+			mask = 0;
+			break;
+		}
+
+		mode = strtok_r(NULL, delim, &saved_ptr);
+	} while (1);
+
+	if (mask)
+		rd_arg_inc(rd);
+
+	return mask;
+}
+
+static int stat_one_qp_set_link_auto(struct rd *rd)
+{
+	int auto_mask = 0;
+
+	if (!rd_argc(rd))
+		return -EINVAL;
+
+	if (!strcmpx(rd_argv(rd), "off")) {
+		rd_arg_inc(rd);
+		return stat_qp_set_link_auto_sendmsg(rd, 0);
+	}
+
+	auto_mask = stat_get_auto_mode_mask(rd);
+	if (!auto_mask || !rd_argc(rd))
+		return -EINVAL;
+
+	if (!strcmpx(rd_argv(rd), "on")) {
+		rd_arg_inc(rd);
+		return stat_qp_set_link_auto_sendmsg(rd, auto_mask);
+	} else {
+		pr_err("Unknown parameter '%s'.\n", rd_argv(rd));
+		return -EINVAL;
+	}
+}
+
+static int stat_one_qp_set_link(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_one_qp_link_get_mode },
+		{ "auto",	stat_one_qp_set_link_auto },
+		{ 0 }
+	};
+
+	if (!rd->port_idx)
+		return 0;
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_qp_set_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_qp_set_link, false);
+}
+
+static int stat_qp_set(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_help },
+		{ "link",	stat_qp_set_link },
+		{ "help",	stat_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_get_arg_str(struct rd *rd, const char *arg, char **value, bool allow_empty)
+{
+	int len = 0;
+
+	if (strcmpx(rd_argv(rd), arg) != 0) {
+		pr_err("Unknown parameter '%s'.\n", rd_argv(rd));
+		return -EINVAL;
+	}
+
+	rd_arg_inc(rd);
+	if (!rd_no_arg(rd)) {
+		*value = strdup(rd_argv(rd));
+		len = strlen(*value);
+		rd_arg_inc(rd);
+	}
+
+	if ((allow_empty && len) || (!allow_empty && !len)) {
+		stat_help(rd);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int stat_get_arg(struct rd *rd, const char *arg)
+{
+	int value = 0;
+	char *endp;
+
+	if (strcmpx(rd_argv(rd), arg) != 0)
+		return -EINVAL;
+
+	rd_arg_inc(rd);
+
+	if (rd_is_multiarg(rd)) {
+		pr_err("The parameter %s shouldn't include range\n", arg);
+		return -EINVAL;
+	}
+
+	value = strtol(rd_argv(rd), &endp, 10);
+	rd_arg_inc(rd);
+
+	return value;
+}
+
+static int stat_one_qp_bind(struct rd *rd)
+{
+	int lqpn = 0, cntn = 0, ret;
+	uint32_t seq;
+
+	if (rd_no_arg(rd)) {
+		stat_help(rd);
+		return -EINVAL;
+	}
+
+	ret = rd_build_filter(rd, stat_valid_filters);
+	if (ret)
+		return ret;
+
+	lqpn = stat_get_arg(rd, "lqpn");
+	if (lqpn < 0)
+		return lqpn;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_MODE,
+			 RDMA_COUNTER_MODE_MANUAL);
+
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_RES_LQPN, lqpn);
+
+	if (rd_argc(rd)) {
+		cntn = stat_get_arg(rd, "cntn");
+		if (cntn < 0)
+			return cntn;
+
+		mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_COUNTER_ID,
+				 cntn);
+	}
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int do_stat_qp_unbind_lqpn(struct rd *rd, uint32_t cntn, uint32_t lqpn)
+{
+	uint32_t seq;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_DEL,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_MODE,
+			 RDMA_COUNTER_MODE_MANUAL);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_RES_LQPN, lqpn);
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int stat_get_counter_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct nlattr *nla_table, *nla_entry;
+	struct rd *rd = data;
+	uint32_t lqpn, cntn;
+	int err;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+
+	if (!tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID])
+		return MNL_CB_ERROR;
+	cntn = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]);
+
+	nla_table = tb[RDMA_NLDEV_ATTR_RES_QP];
+	if (!nla_table)
+		return MNL_CB_ERROR;
+
+	mnl_attr_for_each_nested(nla_entry, nla_table) {
+		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+
+		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+		if (err != MNL_CB_OK)
+			return -EINVAL;
+
+		if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
+			return -EINVAL;
+
+		lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+		err = do_stat_qp_unbind_lqpn(rd, cntn, lqpn);
+		if (err)
+			return MNL_CB_ERROR;
+	}
+
+	return MNL_CB_OK;
+}
+
+static int stat_one_qp_unbind(struct rd *rd)
+{
+	int flags = NLM_F_REQUEST | NLM_F_ACK, ret;
+	char buf[MNL_SOCKET_BUFFER_SIZE];
+	int lqpn = 0, cntn = 0;
+	unsigned int portid;
+	uint32_t seq;
+
+	if (rd_no_arg(rd)) {
+		stat_help(rd);
+		return -EINVAL;
+	}
+
+	ret = rd_build_filter(rd, stat_valid_filters);
+	if (ret)
+		return ret;
+
+	cntn = stat_get_arg(rd, "cntn");
+	if (cntn < 0)
+		return cntn;
+
+	if (rd_argc(rd)) {
+		lqpn = stat_get_arg(rd, "lqpn");
+		if (lqpn < 0)
+			return lqpn;
+		return do_stat_qp_unbind_lqpn(rd, cntn, lqpn);
+	}
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET, &seq, flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES, RDMA_NLDEV_ATTR_RES_QP);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+
+	/* Can't use rd_recv_msg() since the callback also calls it (recursively),
+	 * then rd_recv_msg() always return -1 here
+	 */
+	portid = mnl_socket_get_portid(rd->nl);
+	ret = mnl_socket_recvfrom(rd->nl, buf, sizeof(buf));
+	if (ret <= 0)
+		return ret;
+
+	ret = mnl_cb_run(buf, ret, seq, portid, stat_get_counter_parse_cb, rd);
+	mnl_socket_close(rd->nl);
+	if (ret != MNL_CB_OK)
+		return ret;
+
+	return 0;
+}
+
+static int stat_qp_bind_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_qp_bind, true);
+}
+
+static int stat_qp_bind(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_help },
+		{ "link",	stat_qp_bind_link },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_qp_unbind_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_qp_unbind, true);
+}
+
+static int stat_qp_unbind(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_help },
+		{ "link",	stat_qp_unbind_link },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_qp(struct rd *rd)
+{
+	const struct rd_cmd cmds[] =  {
+		{ NULL,		stat_qp_show },
+		{ "show",	stat_qp_show },
+		{ "list",	stat_qp_show },
+		{ "mode",	stat_qp_get_mode },
+		{ "set",	stat_qp_set },
+		{ "bind",	stat_qp_bind },
+		{ "unbind",	stat_qp_unbind },
+		{ "help",	stat_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int do_stat_mode_parse_cb(const struct nlmsghdr *nlh, void *data,
+				 bool supported)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct nlattr *nla_entry;
+	const char *dev, *name;
+	int enabled, err = 0;
+	bool isfirst = true;
+	uint32_t port;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
+	    !tb[RDMA_NLDEV_ATTR_PORT_INDEX] ||
+	    !tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS])
+		return MNL_CB_ERROR;
+
+	dev = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+	mnl_attr_for_each_nested(nla_entry,
+				 tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) {
+		struct nlattr *cnt[RDMA_NLDEV_ATTR_MAX] = {};
+
+		err  = mnl_attr_parse_nested(nla_entry, rd_attr_cb, cnt);
+		if ((err != MNL_CB_OK) ||
+		    (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]))
+			return -EINVAL;
+
+		if (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC])
+			continue;
+
+		enabled = mnl_attr_get_u8(cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC]);
+		name = mnl_attr_get_str(cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]);
+		if (supported || enabled) {
+			if (isfirst) {
+				open_json_object(NULL);
+				print_string(PRINT_ANY, "ifname", "link %s/", dev);
+				print_uint(PRINT_ANY, "port", "%u ", port);
+				if (supported)
+					open_json_array(PRINT_ANY,
+							"supported optional-counters");
+				else
+					open_json_array(PRINT_ANY,
+							"optional-counters");
+				print_string(PRINT_FP, NULL, " ", NULL);
+				isfirst = false;
+			} else {
+				print_string(PRINT_FP, NULL, ",", NULL);
+			}
+			newline_indent();
+
+			print_string(PRINT_ANY, NULL, "%s", name);
+		}
+	}
+
+	if (!isfirst) {
+		close_json_array(PRINT_JSON, NULL);
+		close_json_object();
+		newline();
+	}
+
+	return 0;
+}
+
+static int stat_mode_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	return do_stat_mode_parse_cb(nlh, data, false);
+}
+
+static int stat_mode_parse_cb_supported(const struct nlmsghdr *nlh, void *data)
+{
+	return do_stat_mode_parse_cb(nlh, data, true);
+}
+
+static int stat_one_link_get_status_req(struct rd *rd, uint32_t *seq)
+{
+	int flags = NLM_F_REQUEST | NLM_F_ACK;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET_STATUS, seq,  flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+
+	return rd_send_msg(rd);
+}
+
+static int stat_one_link_get_mode(struct rd *rd)
+{
+	uint32_t seq;
+	int err;
+
+	if (!rd->port_idx)
+		return 0;
+
+	err = stat_one_link_get_status_req(rd, &seq);
+	if (err)
+		return err;
+
+	return rd_recv_msg(rd, stat_mode_parse_cb, rd, seq);
+}
+
+static int stat_one_link_get_mode_supported(struct rd *rd)
+{
+	uint32_t seq;
+	int err;
+
+	if (!rd->port_idx)
+		return 0;
+
+	err = stat_one_link_get_status_req(rd, &seq);
+	if (err)
+		return err;
+
+	return rd_recv_msg(rd, stat_mode_parse_cb_supported, rd, seq);
+}
+
+static int stat_link_get_mode(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_link_get_mode, false);
+}
+
+static int stat_link_get_mode_supported(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_link_get_mode_supported, false);
+}
+
+static int stat_mode_supported(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_link_get_mode_supported },
+		{ "link",	stat_link_get_mode_supported },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_mode(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_link_get_mode },
+		{ "link",	stat_link_get_mode },
+		{ "show",	stat_link_get_mode },
+		{ "supported",	stat_mode_supported },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_one_set_link_opcounters(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct nlattr *nla_entry, *tb_set;
+	int ret, flags = NLM_F_REQUEST | NLM_F_ACK;
+	char *opcnt, *opcnts;
+	struct rd *rd = data;
+	uint32_t seq;
+	bool found;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS])
+		return MNL_CB_ERROR;
+
+	if (rd_no_arg(rd)) {
+		stat_help(rd);
+		return -EINVAL;
+	}
+
+	ret = stat_get_arg_str(rd, "optional-counters", &opcnts, false);
+	if (ret)
+		return ret;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET, &seq, flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX,
+			 rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX,
+			 rd->port_idx);
+
+	tb_set = mnl_attr_nest_start(rd->nlh, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS);
+
+	opcnt = strtok(opcnts, ",");
+	while (opcnt) {
+		found = false;
+		mnl_attr_for_each_nested(nla_entry,
+					 tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) {
+			struct nlattr *cnt[RDMA_NLDEV_ATTR_MAX] = {}, *nm, *id;
+
+			if (mnl_attr_parse_nested(nla_entry, rd_attr_cb,
+						  cnt) != MNL_CB_OK)
+				return -EINVAL;
+
+			nm = cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME];
+			id = cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX];
+			if (!nm || ! id)
+				return -EINVAL;
+
+			if (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC])
+				continue;
+
+			if (strcmp(opcnt, mnl_attr_get_str(nm)) == 0) {
+				mnl_attr_put_u32(rd->nlh,
+						 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX,
+						 mnl_attr_get_u32(id));
+				found = true;
+			}
+		}
+
+		if (!found)
+			return -EINVAL;
+
+		opcnt = strtok(NULL, ",");
+	}
+	mnl_attr_nest_end(rd->nlh, tb_set);
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int stat_one_set_link(struct rd *rd)
+{
+	uint32_t seq;
+	int err;
+
+	if (!rd->port_idx)
+		return 0;
+
+	err = stat_one_link_get_status_req(rd, &seq);
+	if (err)
+		return err;
+
+	return rd_recv_msg(rd, stat_one_set_link_opcounters, rd, seq);
+}
+
+static int stat_set_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_set_link, true);
+}
+
+static int stat_set(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_help },
+		{ "link",	stat_set_link },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_one_unset_link_opcounters(struct rd *rd)
+{
+	int ret, flags = NLM_F_REQUEST | NLM_F_ACK;
+	struct nlattr *tbl;
+	uint32_t seq;
+	char *opcnts;
+
+	if (rd_no_arg(rd)) {
+		stat_help(rd);
+		return -EINVAL;
+	}
+
+	ret = stat_get_arg_str(rd, "optional-counters", &opcnts, true);
+	if (ret)
+		return ret;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET, &seq, flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX,
+			 rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX,
+			 rd->port_idx);
+
+	tbl = mnl_attr_nest_start(rd->nlh, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS);
+	mnl_attr_nest_end(rd->nlh, tbl);
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int stat_one_unset_link(struct rd *rd)
+{
+	return stat_one_unset_link_opcounters(rd);
+}
+
+static int stat_unset_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_one_unset_link, true);
+}
+
+static int stat_unset(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_help },
+		{ "link",	stat_unset_link },
+		{ "help",	stat_help },
+		{ 0 },
+	};
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int stat_show_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	const char *name;
+	uint32_t port;
+	int ret;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
+	    !tb[RDMA_NLDEV_ATTR_PORT_INDEX] ||
+	    !tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS])
+		return MNL_CB_ERROR;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+	open_json_object(NULL);
+	print_string(PRINT_ANY, "ifname", "link %s/", name);
+	print_uint(PRINT_ANY, "port", "%u ", port);
+	ret = res_get_hwcounters(tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS], true);
+
+	close_json_object();
+	newline();
+	return ret;
+}
+
+static int stat_show_one_link(struct rd *rd)
+{
+	int flags = NLM_F_REQUEST | NLM_F_ACK;
+	uint32_t seq;
+	int ret;
+
+	if (!rd->port_idx)
+		return 0;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET, &seq,  flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	return rd_recv_msg(rd, stat_show_parse_cb, rd, seq);
+}
+
+static int stat_show_link(struct rd *rd)
+{
+	return rd_exec_link(rd, stat_show_one_link, false);
+}
+
+static int stat_show(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		stat_show_link },
+		{ "link",	stat_show_link },
+		{ "mr",		stat_mr },
+		{ "help",	stat_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+int cmd_stat(struct rd *rd)
+{
+	const struct rd_cmd cmds[] =  {
+		{ NULL,		stat_show },
+		{ "show",	stat_show },
+		{ "list",	stat_show },
+		{ "help",	stat_help },
+		{ "qp",		stat_qp },
+		{ "mr",		stat_mr },
+		{ "mode",	stat_mode },
+		{ "set",	stat_set },
+		{ "unset",	stat_unset },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "statistic command");
+}