diff --git a/rdma/Makefile b/rdma/Makefile
index 0498994f..6a424234 100644
--- a/rdma/Makefile
+++ b/rdma/Makefile
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 include ../config.mk
 
 TARGETS :=
@@ -6,7 +6,8 @@ TARGETS :=
 ifeq ($(HAVE_MNL),y)
 CFLAGS += -I./include/uapi/
 
-RDMA_OBJ = rdma.o utils.o dev.o link.o res.o
+RDMA_OBJ = rdma.o utils.o dev.o link.o res.o res-pd.o res-mr.o res-cq.o \
+	   res-cmid.o res-qp.o
 
 TARGETS += rdma
 endif
diff --git a/rdma/dev.c b/rdma/dev.c
index 60ff4b31..954e0015 100644
--- a/rdma/dev.c
+++ b/rdma/dev.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
  * dev.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 
diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma/rdma_netlink.h
index 04c80ceb..5027c627 100644
--- a/rdma/include/uapi/rdma/rdma_netlink.h
+++ b/rdma/include/uapi/rdma/rdma_netlink.h
@@ -5,8 +5,7 @@
 #include <linux/types.h>
 
 enum {
-	RDMA_NL_RDMA_CM = 1,
-	RDMA_NL_IWCM,
+	RDMA_NL_IWCM = 2,
 	RDMA_NL_RSVD,
 	RDMA_NL_LS,	/* RDMA Local Services */
 	RDMA_NL_NLDEV,	/* RDMA device interface */
@@ -14,8 +13,7 @@ enum {
 };
 
 enum {
-	RDMA_NL_GROUP_CM = 1,
-	RDMA_NL_GROUP_IWPM,
+	RDMA_NL_GROUP_IWPM = 2,
 	RDMA_NL_GROUP_LS,
 	RDMA_NL_NUM_GROUPS
 };
@@ -24,15 +22,17 @@ enum {
 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
 
-enum {
-	RDMA_NL_RDMA_CM_ID_STATS = 0,
-	RDMA_NL_RDMA_CM_NUM_OPS
-};
+/* The minimum version that the iwpm kernel supports */
+#define IWPM_UABI_VERSION_MIN	3
 
+/* The latest version that the iwpm kernel supports */
+#define IWPM_UABI_VERSION	4
+
+/* iwarp port mapper message flags */
 enum {
-	RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
-	RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
-	RDMA_NL_RDMA_CM_NUM_ATTR,
+
+	/* Do not map the port for this IWPM request */
+	IWPM_FLAGS_NO_PORT_MAP = (1 << 0),
 };
 
 /* iwarp port mapper op-codes */
@@ -45,6 +45,7 @@ enum {
 	RDMA_NL_IWPM_HANDLE_ERR,
 	RDMA_NL_IWPM_MAPINFO,
 	RDMA_NL_IWPM_MAPINFO_NUM,
+	RDMA_NL_IWPM_HELLO,
 	RDMA_NL_IWPM_NUM_OPS
 };
 
@@ -83,20 +84,38 @@ enum {
 	IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
 	IWPM_NLA_MANAGE_MAPPING_SEQ,
 	IWPM_NLA_MANAGE_ADDR,
-	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR,
+	IWPM_NLA_MANAGE_FLAGS,
+	IWPM_NLA_MANAGE_MAPPING_MAX
+};
+
+enum {
+	IWPM_NLA_RMANAGE_MAPPING_UNSPEC = 0,
+	IWPM_NLA_RMANAGE_MAPPING_SEQ,
+	IWPM_NLA_RMANAGE_ADDR,
+	IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
+	/* The following maintains bisectability of rdma-core */
+	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR = IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
 	IWPM_NLA_RMANAGE_MAPPING_ERR,
 	IWPM_NLA_RMANAGE_MAPPING_MAX
 };
 
-#define IWPM_NLA_MANAGE_MAPPING_MAX 3
-#define IWPM_NLA_QUERY_MAPPING_MAX  4
 #define IWPM_NLA_MAPINFO_SEND_MAX   3
+#define IWPM_NLA_REMOVE_MAPPING_MAX 3
 
 enum {
 	IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
 	IWPM_NLA_QUERY_MAPPING_SEQ,
 	IWPM_NLA_QUERY_LOCAL_ADDR,
 	IWPM_NLA_QUERY_REMOTE_ADDR,
+	IWPM_NLA_QUERY_FLAGS,
+	IWPM_NLA_QUERY_MAPPING_MAX,
+};
+
+enum {
+	IWPM_NLA_RQUERY_MAPPING_UNSPEC = 0,
+	IWPM_NLA_RQUERY_MAPPING_SEQ,
+	IWPM_NLA_RQUERY_LOCAL_ADDR,
+	IWPM_NLA_RQUERY_REMOTE_ADDR,
 	IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
 	IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
 	IWPM_NLA_RQUERY_MAPPING_ERR,
@@ -114,6 +133,7 @@ enum {
 	IWPM_NLA_MAPINFO_UNSPEC = 0,
 	IWPM_NLA_MAPINFO_LOCAL_ADDR,
 	IWPM_NLA_MAPINFO_MAPPED_ADDR,
+	IWPM_NLA_MAPINFO_FLAGS,
 	IWPM_NLA_MAPINFO_MAX
 };
 
@@ -132,6 +152,12 @@ enum {
 	IWPM_NLA_ERR_MAX
 };
 
+enum {
+	IWPM_NLA_HELLO_UNSPEC = 0,
+	IWPM_NLA_HELLO_ABI_VERSION,
+	IWPM_NLA_HELLO_MAX
+};
+
 /*
  * Local service operations:
  *   RESOLVE - The client requests the local service to resolve a path.
@@ -430,6 +456,16 @@ enum rdma_nldev_attr {
 	RDMA_NLDEV_ATTR_DRIVER_S64,		/* s64 */
 	RDMA_NLDEV_ATTR_DRIVER_U64,		/* u64 */
 
+	/*
+	 * Indexes to get/set secific entry,
+	 * for QP use RDMA_NLDEV_ATTR_RES_LQPN
+	 */
+	RDMA_NLDEV_ATTR_RES_PDN,               /* u32 */
+	RDMA_NLDEV_ATTR_RES_CQN,               /* u32 */
+	RDMA_NLDEV_ATTR_RES_MRN,               /* u32 */
+	RDMA_NLDEV_ATTR_RES_CM_IDN,            /* u32 */
+	RDMA_NLDEV_ATTR_RES_CTXN,	       /* u32 */
+
 	/*
 	 * Always the end
 	 */
diff --git a/rdma/link.c b/rdma/link.c
index c064be62..89e81b84 100644
--- a/rdma/link.c
+++ b/rdma/link.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
  * link.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 
diff --git a/rdma/rdma.c b/rdma/rdma.c
index 010e9837..676e03c2 100644
--- a/rdma/rdma.c
+++ b/rdma/rdma.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
  * rdma.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 
diff --git a/rdma/rdma.h b/rdma/rdma.h
index 547bb574..1022e9a2 100644
--- a/rdma/rdma.h
+++ b/rdma/rdma.h
@@ -1,11 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /*
  * rdma.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 #ifndef _RDMA_TOOL_H_
@@ -35,13 +30,20 @@
 #define MAX_NUMBER_OF_FILTERS 64
 struct filters {
 	const char *name;
-	bool is_number;
+	uint8_t is_number:1;
+	uint8_t is_doit:1;
 };
 
 struct filter_entry {
 	struct list_head list;
 	char *key;
 	char *value;
+	/*
+	 * This field menas that we can try to issue .doit calback
+	 * on value above. This value can be converted to integer
+	 * with simple atoi(). Otherwise "is_doit" will be false.
+	 */
+	uint8_t is_doit:1;
 };
 
 struct dev_map {
@@ -106,10 +108,12 @@ struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
 /*
  * Filter manipulation
  */
+bool rd_doit_index(struct rd *rd, uint32_t *idx);
 int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
-bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val);
-bool rd_check_is_string_filtered(struct rd *rd, const char *key, const char *val);
-bool rd_check_is_key_exist(struct rd *rd, const char *key);
+bool rd_is_filtered_attr(struct rd *rd, const char *key, uint32_t val,
+			 struct nlattr *attr);
+bool rd_is_string_filtered_attr(struct rd *rd, const char *key, const char *val,
+				struct nlattr *attr);
 /*
  * Netlink
  */
diff --git a/rdma/res-cmid.c b/rdma/res-cmid.c
new file mode 100644
index 00000000..0b830088
--- /dev/null
+++ b/rdma/res-cmid.c
@@ -0,0 +1,275 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-cmid.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static void print_qp_type(struct rd *rd, uint32_t val)
+{
+	if (rd->json_output)
+		jsonw_string_field(rd->jw, "qp-type", qp_types_to_str(val));
+	else
+		pr_out("qp-type %s ", qp_types_to_str(val));
+}
+
+static const char *cm_id_state_to_str(uint8_t idx)
+{
+	static const char *const cm_id_states_str[] = {
+		"IDLE",		  "ADDR_QUERY",     "ADDR_RESOLVED",
+		"ROUTE_QUERY",    "ROUTE_RESOLVED", "CONNECT",
+		"DISCONNECT",     "ADDR_BOUND",     "LISTEN",
+		"DEVICE_REMOVAL", "DESTROYING"
+	};
+
+	if (idx < ARRAY_SIZE(cm_id_states_str))
+		return cm_id_states_str[idx];
+	return "UNKNOWN";
+}
+
+static const char *cm_id_ps_to_str(uint32_t ps)
+{
+	switch (ps) {
+	case RDMA_PS_IPOIB:
+		return "IPoIB";
+	case RDMA_PS_IB:
+		return "IPoIB";
+	case RDMA_PS_TCP:
+		return "TCP";
+	case RDMA_PS_UDP:
+		return "UDP";
+	default:
+		return "---";
+	}
+}
+
+static void print_cm_id_state(struct rd *rd, uint8_t state)
+{
+	if (rd->json_output) {
+		jsonw_string_field(rd->jw, "state", cm_id_state_to_str(state));
+		return;
+	}
+	pr_out("state %s ", cm_id_state_to_str(state));
+}
+
+static void print_ps(struct rd *rd, uint32_t ps)
+{
+	if (rd->json_output) {
+		jsonw_string_field(rd->jw, "ps", cm_id_ps_to_str(ps));
+		return;
+	}
+	pr_out("ps %s ", cm_id_ps_to_str(ps));
+}
+
+static void print_ipaddr(struct rd *rd, const char *key, char *addrstr,
+			 uint16_t port)
+{
+	if (rd->json_output) {
+		int name_size = INET6_ADDRSTRLEN + strlen(":65535");
+		char json_name[name_size];
+
+		snprintf(json_name, name_size, "%s:%u", addrstr, port);
+		jsonw_string_field(rd->jw, key, json_name);
+		return;
+	}
+	pr_out("%s %s:%u ", key, addrstr, port);
+}
+
+static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
+{
+	struct __kernel_sockaddr_storage *addr;
+
+	addr = (struct __kernel_sockaddr_storage *)mnl_attr_get_payload(
+		nla_line);
+	switch (addr->ss_family) {
+	case AF_INET: {
+		struct sockaddr_in *sin = (struct sockaddr_in *)addr;
+
+		if (!inet_ntop(AF_INET, (const void *)&sin->sin_addr, addr_str,
+			       INET6_ADDRSTRLEN))
+			return -EINVAL;
+		*port = ntohs(sin->sin_port);
+		break;
+	}
+	case AF_INET6: {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
+
+		if (!inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
+			       addr_str, INET6_ADDRSTRLEN))
+			return -EINVAL;
+		*port = ntohs(sin6->sin6_port);
+		break;
+	}
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+static int res_cm_id_line(struct rd *rd, const char *name, int idx,
+		       struct nlattr **nla_line)
+{
+	char src_addr_str[INET6_ADDRSTRLEN];
+	char dst_addr_str[INET6_ADDRSTRLEN];
+	uint16_t src_port, dst_port;
+	uint32_t port = 0, pid = 0;
+	uint8_t type = 0, state;
+	uint32_t lqpn = 0, ps;
+	uint32_t cm_idn = 0;
+	char *comm = NULL;
+
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
+	    !nla_line[RDMA_NLDEV_ATTR_RES_PS] ||
+	    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+	     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+		return MNL_CB_ERROR;
+	}
+
+	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+		port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+	if (port && port != rd->port_idx)
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
+		lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+
+	if (rd_is_filtered_attr(rd, "lqpn", lqpn,
+				nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
+		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(type),
+				       nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
+		goto out;
+
+	ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
+	if (rd_is_string_filtered_attr(rd, "ps", cm_id_ps_to_str(ps),
+				       nla_line[RDMA_NLDEV_ATTR_RES_PS]))
+		goto out;
+
+	state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+	if (rd_is_string_filtered_attr(rd, "state", cm_id_state_to_str(state),
+				       nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
+		if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
+			    src_addr_str, &src_port))
+			goto out;
+	if (rd_is_string_filtered_attr(rd, "src-addr", src_addr_str,
+				       nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
+		goto out;
+	if (rd_is_filtered_attr(rd, "src-port", src_port,
+				nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
+		if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
+			    dst_addr_str, &dst_port))
+			goto out;
+	if (rd_is_string_filtered_attr(rd, "dst-addr", dst_addr_str,
+				       nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
+		goto out;
+	if (rd_is_filtered_attr(rd, "dst-port", dst_port,
+				nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		comm = get_task_name(pid);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
+		cm_idn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
+	if (rd_is_filtered_attr(rd, "cm-idn", cm_idn,
+				nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]))
+		goto out;
+
+	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->json_output)
+		jsonw_start_array(rd->jw);
+
+	print_link(rd, idx, name, port, nla_line);
+	res_print_uint(rd, "cm-idn", cm_idn,
+		       nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
+	res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+	if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
+		print_qp_type(rd, type);
+	print_cm_id_state(rd, state);
+	print_ps(rd, ps);
+	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(rd, comm, nla_line);
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
+		print_ipaddr(rd, "src-addr", src_addr_str, src_port);
+	if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
+		print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
+
+	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+	newline(rd);
+
+out:	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+		free(comm);
+	return MNL_CB_OK;
+}
+
+int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	int idx;
+
+	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;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+
+	return res_cm_id_line(rd, name, idx, tb);
+}
+
+int res_cm_id_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;
+	int ret = MNL_CB_OK;
+	const char *name;
+	int idx;
+
+	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_RES_CM_ID])
+		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_RES_CM_ID];
+
+	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_cm_id_line(rd, name, idx, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+	}
+	return ret;
+}
diff --git a/rdma/res-cq.c b/rdma/res-cq.c
new file mode 100644
index 00000000..5afb97c5
--- /dev/null
+++ b/rdma/res-cq.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-cq.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static const char *poll_ctx_to_str(uint8_t idx)
+{
+	static const char * const cm_id_states_str[] = {
+		"DIRECT", "SOFTIRQ", "WORKQUEUE", "UNBOUND_WORKQUEUE"};
+
+	if (idx < ARRAY_SIZE(cm_id_states_str))
+		return cm_id_states_str[idx];
+	return "UNKNOWN";
+}
+
+static void print_poll_ctx(struct rd *rd, uint8_t poll_ctx, struct nlattr *attr)
+{
+	if (!attr)
+		return;
+
+	if (rd->json_output) {
+		jsonw_string_field(rd->jw, "poll-ctx",
+				   poll_ctx_to_str(poll_ctx));
+		return;
+	}
+	pr_out("poll-ctx %s ", poll_ctx_to_str(poll_ctx));
+}
+
+static int res_cq_line(struct rd *rd, const char *name, int idx,
+		       struct nlattr **nla_line)
+{
+	char *comm = NULL;
+	uint32_t pid = 0;
+	uint8_t poll_ctx = 0;
+	uint32_t ctxn = 0;
+	uint32_t cqn = 0;
+	uint64_t users;
+	uint32_t cqe;
+
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] ||
+	    !nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
+	    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+	     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+		return MNL_CB_ERROR;
+	}
+
+	cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
+
+	users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+	if (rd_is_filtered_attr(rd, "users", users,
+				nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
+		poll_ctx =
+			mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
+	if (rd_is_string_filtered_attr(rd, "poll-ctx",
+				       poll_ctx_to_str(poll_ctx),
+				       nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		comm = get_task_name(pid);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
+		cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
+	if (rd_is_filtered_attr(rd, "cqn", cqn,
+				nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
+		goto out;
+	if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
+		ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+	if (rd_is_filtered_attr(rd, "ctxn", ctxn,
+				nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
+		goto out;
+
+	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->json_output)
+		jsonw_start_array(rd->jw);
+
+	print_dev(rd, idx, name);
+	res_print_uint(rd, "cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
+	res_print_uint(rd, "cqe", cqe, nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
+	res_print_uint(rd, "users", users,
+		       nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+	print_poll_ctx(rd, poll_ctx, nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
+	res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(rd, comm, nla_line);
+
+	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+	newline(rd);
+
+out:	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+		free(comm);
+	return MNL_CB_OK;
+}
+
+int res_cq_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+
+	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;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+
+	return res_cq_line(rd, name, idx, tb);
+}
+
+int res_cq_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;
+	int ret = MNL_CB_OK;
+	const char *name;
+	uint32_t idx;
+
+	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_RES_CQ])
+		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_RES_CQ];
+
+	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_cq_line(rd, name, idx, nla_line);
+
+		if (ret != MNL_CB_OK)
+			break;
+	}
+	return ret;
+}
diff --git a/rdma/res-mr.c b/rdma/res-mr.c
new file mode 100644
index 00000000..f4a24dc1
--- /dev/null
+++ b/rdma/res-mr.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-mr.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static int res_mr_line(struct rd *rd, const char *name, int idx,
+		       struct nlattr **nla_line)
+{
+	uint32_t rkey = 0, lkey = 0;
+	uint64_t iova = 0, mrlen;
+	char *comm = NULL;
+	uint32_t pdn = 0;
+	uint32_t mrn = 0;
+	uint32_t pid = 0;
+
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN] ||
+	    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+	     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+		return MNL_CB_ERROR;
+	}
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
+		rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
+	if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
+		lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
+	if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
+		iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
+
+	mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
+	if (rd_is_filtered_attr(rd, "mrlen", mrlen,
+				nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		comm = get_task_name(pid);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
+		mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
+	if (rd_is_filtered_attr(rd, "mrn", mrn,
+				nla_line[RDMA_NLDEV_ATTR_RES_MRN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+		pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	if (rd_is_filtered_attr(rd, "pdn", pdn,
+				nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
+		goto out;
+
+	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->json_output)
+		jsonw_start_array(rd->jw);
+
+	print_dev(rd, idx, name);
+	res_print_uint(rd, "mrn", mrn, nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
+	print_key(rd, "rkey", rkey, nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
+	print_key(rd, "lkey", lkey, nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
+	print_key(rd, "iova", iova, nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
+	res_print_uint(rd, "mrlen", mrlen, nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
+	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(rd, comm, nla_line);
+
+	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+	newline(rd);
+
+out:
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+		free(comm);
+	return MNL_CB_OK;
+}
+
+int res_mr_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+
+	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;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+
+	return res_mr_line(rd, name, idx, tb);
+}
+
+int res_mr_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;
+	int ret = MNL_CB_OK;
+	const char *name;
+	uint32_t idx;
+
+	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_RES_MR])
+		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_RES_MR];
+
+	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_mr_line(rd, name, idx, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+	}
+	return ret;
+}
diff --git a/rdma/res-pd.c b/rdma/res-pd.c
new file mode 100644
index 00000000..07c836e8
--- /dev/null
+++ b/rdma/res-pd.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-pd.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static int res_pd_line(struct rd *rd, const char *name, int idx,
+		       struct nlattr **nla_line)
+{
+	uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0;
+	char *comm = NULL;
+	uint32_t ctxn = 0;
+	uint32_t pid = 0;
+	uint32_t pdn = 0;
+	uint64_t users;
+
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
+	    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+	     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+		return MNL_CB_ERROR;
+	}
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY])
+		local_dma_lkey = mnl_attr_get_u32(
+			nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]);
+
+	users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+	if (rd_is_filtered_attr(rd, "users", users,
+				nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
+		unsafe_global_rkey = mnl_attr_get_u32(
+			nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]);
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		comm = get_task_name(pid);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
+		ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+
+	if (rd_is_filtered_attr(rd, "ctxn", ctxn,
+				nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+		pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	if (rd_is_filtered_attr(rd, "pdn", pdn,
+				nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
+		goto out;
+
+	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->json_output)
+		jsonw_start_array(rd->jw);
+
+	print_dev(rd, idx, name);
+	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	print_key(rd, "local_dma_lkey", local_dma_lkey,
+		  nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]);
+	res_print_uint(rd, "users", users,
+		       nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+	print_key(rd, "unsafe_global_rkey", unsafe_global_rkey,
+		  nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]);
+	res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(rd, comm, nla_line);
+
+	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+	newline(rd);
+
+out:	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+		free(comm);
+	return MNL_CB_OK;
+}
+
+int res_pd_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+
+	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;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+
+	return res_pd_line(rd, name, idx, tb);
+}
+
+int res_pd_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;
+	int ret = MNL_CB_OK;
+	const char *name;
+	uint32_t idx;
+
+	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_RES_PD])
+		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_RES_PD];
+
+	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_pd_line(rd, name, idx, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+	}
+	return ret;
+}
diff --git a/rdma/res-qp.c b/rdma/res-qp.c
new file mode 100644
index 00000000..954e465d
--- /dev/null
+++ b/rdma/res-qp.c
@@ -0,0 +1,240 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-qp.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static const char *path_mig_to_str(uint8_t idx)
+{
+	static const char *const path_mig_str[] = { "MIGRATED", "REARM",
+						    "ARMED" };
+
+	if (idx < ARRAY_SIZE(path_mig_str))
+		return path_mig_str[idx];
+	return "UNKNOWN";
+}
+
+static const char *qp_states_to_str(uint8_t idx)
+{
+	static const char *const qp_states_str[] = { "RESET", "INIT", "RTR",
+						     "RTS",   "SQD",  "SQE",
+						     "ERR" };
+
+	if (idx < ARRAY_SIZE(qp_states_str))
+		return qp_states_str[idx];
+	return "UNKNOWN";
+}
+
+static void print_rqpn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
+{
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+		return;
+
+	if (rd->json_output)
+		jsonw_uint_field(rd->jw, "rqpn", val);
+	else
+		pr_out("rqpn %u ", val);
+}
+
+static void print_type(struct rd *rd, uint32_t val)
+{
+	if (rd->json_output)
+		jsonw_string_field(rd->jw, "type", qp_types_to_str(val));
+	else
+		pr_out("type %s ", qp_types_to_str(val));
+}
+
+static void print_state(struct rd *rd, uint32_t val)
+{
+	if (rd->json_output)
+		jsonw_string_field(rd->jw, "state", qp_states_to_str(val));
+	else
+		pr_out("state %s ", qp_states_to_str(val));
+}
+
+static void print_rqpsn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
+{
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+		return;
+
+	if (rd->json_output)
+		jsonw_uint_field(rd->jw, "rq-psn", val);
+	else
+		pr_out("rq-psn %u ", val);
+}
+
+static void print_pathmig(struct rd *rd, uint32_t val, struct nlattr **nla_line)
+{
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+		return;
+
+	if (rd->json_output)
+		jsonw_string_field(rd->jw, "path-mig-state",
+				   path_mig_to_str(val));
+	else
+		pr_out("path-mig-state %s ", path_mig_to_str(val));
+}
+
+static int res_qp_line(struct rd *rd, const char *name, int idx,
+		       struct nlattr **nla_line)
+{
+	uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
+	uint8_t type, state, path_mig_state = 0;
+	uint32_t port = 0, pid = 0;
+	uint32_t pdn = 0;
+	char *comm = NULL;
+
+	if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] ||
+	    !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
+	    !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
+	    !nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
+	    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
+	     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
+		return MNL_CB_ERROR;
+	}
+
+	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+		port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+	if (port != rd->port_idx)
+		goto out;
+
+	lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+	if (rd_is_filtered_attr(rd, "lqpn", lqpn,
+				nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+		pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	if (rd_is_filtered_attr(rd, "pdn", pdn,
+				nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+		rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
+	if (rd_is_filtered_attr(rd, "rqpn", rqpn,
+				nla_line[RDMA_NLDEV_ATTR_RES_RQPN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+		rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
+	if (rd_is_filtered_attr(rd, "rq-psn", rq_psn,
+				nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]))
+		goto out;
+
+	sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+	if (rd_is_filtered_attr(rd, "sq-psn", sq_psn,
+				nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+		path_mig_state = mnl_attr_get_u8(
+			nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
+	if (rd_is_string_filtered_attr(
+		    rd, "path-mig-state", path_mig_to_str(path_mig_state),
+		    nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]))
+		goto out;
+
+	type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+	if (rd_is_string_filtered_attr(rd, "type", qp_types_to_str(type),
+				       nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
+		goto out;
+
+	state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+	if (rd_is_string_filtered_attr(rd, "state", qp_states_to_str(state),
+				       nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
+		goto out;
+
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+		comm = get_task_name(pid);
+	}
+
+	if (rd_is_filtered_attr(rd, "pid", pid,
+				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+		goto out;
+
+	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->json_output)
+		jsonw_start_array(rd->jw);
+
+	print_link(rd, idx, name, port, nla_line);
+
+	res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+	print_rqpn(rd, rqpn, nla_line);
+
+	print_type(rd, type);
+	print_state(rd, state);
+
+	print_rqpsn(rd, rq_psn, nla_line);
+	res_print_uint(rd, "sq-psn", sq_psn,
+		       nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+
+	print_pathmig(rd, path_mig_state, nla_line);
+	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+	print_comm(rd, comm, nla_line);
+
+	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+	newline(rd);
+out:
+	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+		free(comm);
+	return MNL_CB_OK;
+}
+
+int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+
+	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;
+
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+
+	return res_qp_line(rd, name, idx, tb);
+}
+
+int res_qp_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;
+	int ret = MNL_CB_OK;
+	const char *name;
+	uint32_t idx;
+
+	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_RES_QP])
+		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_RES_QP];
+
+	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_qp_line(rd, name, idx, nla_line);
+		if (ret != MNL_CB_OK)
+			break;
+	}
+	return ret;
+}
diff --git a/rdma/res.c b/rdma/res.c
index 6b0f5fe3..ef863f14 100644
--- a/rdma/res.c
+++ b/rdma/res.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
  * res.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 
-#include "rdma.h"
+#include "res.h"
 #include <inttypes.h>
 
 static int res_help(struct rd *rd)
@@ -40,7 +35,6 @@ static int res_print_summary(struct rd *rd, struct nlattr **tb)
 
 	mnl_attr_for_each_nested(nla_entry, nla_table) {
 		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		char json_name[32];
 
 		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
 		if (err != MNL_CB_OK)
@@ -53,16 +47,18 @@ static int res_print_summary(struct rd *rd, struct nlattr **tb)
 
 		name = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]);
 		curr = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
-		if (rd->json_output) {
-			snprintf(json_name, 32, "%s", name);
-			jsonw_lluint_field(rd->jw, json_name, curr);
-		} else {
-			pr_out("%s %"PRId64 " ", name, curr);
-		}
+		res_print_uint(
+			rd, name, curr,
+			nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
 	}
 	return 0;
 }
 
+static int res_no_args_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	return MNL_CB_OK;
+}
+
 static int res_no_args_parse_cb(const struct nlmsghdr *nlh, void *data)
 {
 	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
@@ -92,7 +88,34 @@ static int res_no_args_parse_cb(const struct nlmsghdr *nlh, void *data)
 	return MNL_CB_OK;
 }
 
-static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
+int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
+		      uint32_t idx, uint32_t id)
+{
+	uint32_t flags = NLM_F_REQUEST | NLM_F_ACK;
+	uint32_t seq;
+	int ret;
+
+	rd_prepare_msg(rd, command, &seq, flags);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	if (rd->port_idx)
+		mnl_attr_put_u32(rd->nlh,
+				 RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+
+	mnl_attr_put_u32(rd->nlh, id, idx);
+
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	if (rd->json_output)
+		jsonw_start_object(rd->jw);
+	ret = rd_recv_msg(rd, callback, rd, seq);
+	if (rd->json_output)
+		jsonw_end_object(rd->jw);
+	return ret;
+}
+
+int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
 {
 	uint32_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	uint32_t seq;
@@ -119,49 +142,7 @@ static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
 	return ret;
 }
 
-#define RES_FUNC(name, command, valid_filters, strict_port) \
-	static int _##name(struct rd *rd)\
-	{ \
-		return _res_send_msg(rd, command, name##_parse_cb); \
-	} \
-	static int name(struct rd *rd) \
-	{\
-		int ret = rd_build_filter(rd, valid_filters); \
-		if (ret) \
-			return ret; \
-		if ((uintptr_t)valid_filters != (uintptr_t)NULL) { \
-			ret = rd_set_arg_to_devname(rd); \
-			if (ret) \
-				return ret;\
-		} \
-		if (strict_port) \
-			return rd_exec_dev(rd, _##name); \
-		else \
-			return rd_exec_link(rd, _##name, strict_port); \
-	}
-
-static const char *path_mig_to_str(uint8_t idx)
-{
-	static const char * const path_mig_str[] = { "MIGRATED",
-						     "REARM", "ARMED" };
-
-	if (idx < ARRAY_SIZE(path_mig_str))
-		return path_mig_str[idx];
-	return "UNKNOWN";
-}
-
-static const char *qp_states_to_str(uint8_t idx)
-{
-	static const char * const qp_states_str[] = { "RESET", "INIT",
-						      "RTR", "RTS", "SQD",
-						      "SQE", "ERR" };
-
-	if (idx < ARRAY_SIZE(qp_states_str))
-		return qp_states_str[idx];
-	return "UNKNOWN";
-}
-
-static const char *qp_types_to_str(uint8_t idx)
+const char *qp_types_to_str(uint8_t idx)
 {
 	static const char * const qp_types_str[] = { "SMI", "GSI", "RC",
 						     "UC", "UD", "RAW_IPV6",
@@ -174,86 +155,7 @@ static const char *qp_types_to_str(uint8_t idx)
 	return "UNKNOWN";
 }
 
-static void print_lqpn(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "lqpn", val);
-	else
-		pr_out("lqpn %u ", val);
-}
-
-static void print_rqpn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
-{
-	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
-		return;
-
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "rqpn", val);
-	else
-		pr_out("rqpn %u ", val);
-}
-
-static void print_type(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_string_field(rd->jw, "type",
-				   qp_types_to_str(val));
-	else
-		pr_out("type %s ", qp_types_to_str(val));
-}
-
-static void print_state(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_string_field(rd->jw, "state",
-				   qp_states_to_str(val));
-	else
-		pr_out("state %s ", qp_states_to_str(val));
-}
-
-static void print_rqpsn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
-{
-	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
-		return;
-
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "rq-psn", val);
-	else
-		pr_out("rq-psn %u ", val);
-}
-
-static void print_sqpsn(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "sq-psn", val);
-	else
-		pr_out("sq-psn %u ", val);
-}
-
-static void print_pathmig(struct rd *rd, uint32_t val,
-			  struct nlattr **nla_line)
-{
-	if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
-		return;
-
-	if (rd->json_output)
-		jsonw_string_field(rd->jw,
-				   "path-mig-state",
-				   path_mig_to_str(val));
-	else
-		pr_out("path-mig-state %s ", path_mig_to_str(val));
-}
-
-static void print_pid(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "pid", val);
-	else
-		pr_out("pid %u ", val);
-}
-
-static void print_comm(struct rd *rd, const char *str,
-		       struct nlattr **nla_line)
+void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line)
 {
 	char tmp[18];
 
@@ -271,7 +173,7 @@ static void print_comm(struct rd *rd, const char *str,
 	pr_out("comm %s ", tmp);
 }
 
-static void print_dev(struct rd *rd, uint32_t idx, const char *name)
+void print_dev(struct rd *rd, uint32_t idx, const char *name)
 {
 	if (rd->json_output) {
 		jsonw_uint_field(rd->jw, "ifindex", idx);
@@ -281,8 +183,8 @@ static void print_dev(struct rd *rd, uint32_t idx, const char *name)
 	}
 }
 
-static void print_link(struct rd *rd, uint32_t idx, const char *name,
-		       uint32_t port, struct nlattr **nla_line)
+void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port,
+		struct nlattr **nla_line)
 {
 	if (rd->json_output) {
 		jsonw_uint_field(rd->jw, "ifindex", idx);
@@ -299,7 +201,7 @@ static void print_link(struct rd *rd, uint32_t idx, const char *name,
 	}
 }
 
-static char *get_task_name(uint32_t pid)
+char *get_task_name(uint32_t pid)
 {
 	char *comm;
 	FILE *f;
@@ -320,761 +222,31 @@ static char *get_task_name(uint32_t pid)
 	return comm;
 }
 
-static int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data)
+void print_key(struct rd *rd, const char *name, uint64_t val,
+	       struct nlattr *nlattr)
 {
-	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
-	struct nlattr *nla_table, *nla_entry;
-	struct rd *rd = data;
-	const char *name;
-	uint32_t idx;
-
-	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_RES_QP])
-		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_RES_QP];
-
-	mnl_attr_for_each_nested(nla_entry, nla_table) {
-		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
-		uint8_t type, state, path_mig_state = 0;
-		uint32_t port = 0, pid = 0;
-		char *comm = NULL;
-		int err;
-
-		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
-		if (err != MNL_CB_OK)
-			return MNL_CB_ERROR;
-
-		if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] ||
-		    !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
-		    !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
-		    !nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
-		    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
-		     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
-			return MNL_CB_ERROR;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
-			port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
-
-		if (port != rd->port_idx)
-			continue;
-
-		lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
-		if (rd_check_is_filtered(rd, "lqpn", lqpn))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN]) {
-			rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
-			if (rd_check_is_filtered(rd, "rqpn", rqpn))
-				continue;
-		} else {
-			if (rd_check_is_key_exist(rd, "rqpn"))
-				continue;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]) {
-			rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
-			if (rd_check_is_filtered(rd, "rq-psn", rq_psn))
-				continue;
-		} else {
-			if (rd_check_is_key_exist(rd, "rq-psn"))
-				continue;
-		}
-
-		sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
-		if (rd_check_is_filtered(rd, "sq-psn", sq_psn))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) {
-			path_mig_state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
-			if (rd_check_is_string_filtered(rd, "path-mig-state", path_mig_to_str(path_mig_state)))
-				continue;
-		} else {
-			if (rd_check_is_key_exist(rd, "path-mig-state"))
-				continue;
-		}
-
-		type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
-		if (rd_check_is_string_filtered(rd, "type", qp_types_to_str(type)))
-			continue;
-
-		state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
-		if (rd_check_is_string_filtered(rd, "state", qp_states_to_str(state)))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
-			pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
-			comm = get_task_name(pid);
-		}
-
-		if (rd_check_is_filtered(rd, "pid", pid)) {
-			free(comm);
-			continue;
-		}
-
-		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->json_output)
-			jsonw_start_array(rd->jw);
-
-		print_link(rd, idx, name, port, nla_line);
-
-		print_lqpn(rd, lqpn);
-		print_rqpn(rd, rqpn, nla_line);
-
-		print_type(rd, type);
-		print_state(rd, state);
-
-		print_rqpsn(rd, rq_psn, nla_line);
-		print_sqpsn(rd, sq_psn);
-
-		print_pathmig(rd, path_mig_state, nla_line);
-		print_pid(rd, pid);
-		print_comm(rd, comm, nla_line);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
-			free(comm);
-
-		print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
-		newline(rd);
-	}
-	return MNL_CB_OK;
-}
-
-static void print_qp_type(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_string_field(rd->jw, "qp-type",
-				   qp_types_to_str(val));
-	else
-		pr_out("qp-type %s ", qp_types_to_str(val));
-}
-
-static const char *cm_id_state_to_str(uint8_t idx)
-{
-	static const char * const cm_id_states_str[] = {
-		"IDLE", "ADDR_QUERY", "ADDR_RESOLVED", "ROUTE_QUERY",
-		"ROUTE_RESOLVED", "CONNECT", "DISCONNECT", "ADDR_BOUND",
-		"LISTEN", "DEVICE_REMOVAL", "DESTROYING" };
-
-	if (idx < ARRAY_SIZE(cm_id_states_str))
-		return cm_id_states_str[idx];
-	return "UNKNOWN";
-}
-
-static const char *cm_id_ps_to_str(uint32_t ps)
-{
-	switch (ps) {
-	case RDMA_PS_IPOIB:
-		return "IPoIB";
-	case RDMA_PS_IB:
-		return "IPoIB";
-	case RDMA_PS_TCP:
-		return "TCP";
-	case RDMA_PS_UDP:
-		return "UDP";
-	default:
-		return "---";
-	}
-}
-
-static void print_cm_id_state(struct rd *rd, uint8_t state)
-{
-	if (rd->json_output) {
-		jsonw_string_field(rd->jw, "state", cm_id_state_to_str(state));
+	if (!nlattr)
 		return;
-	}
-	pr_out("state %s ", cm_id_state_to_str(state));
-}
 
-static void print_ps(struct rd *rd, uint32_t ps)
-{
-	if (rd->json_output) {
-		jsonw_string_field(rd->jw, "ps", cm_id_ps_to_str(ps));
-		return;
-	}
-	pr_out("ps %s ", cm_id_ps_to_str(ps));
-}
-
-static void print_ipaddr(struct rd *rd, const char *key, char *addrstr,
-			 uint16_t port)
-{
-	if (rd->json_output) {
-		int name_size = INET6_ADDRSTRLEN+strlen(":65535");
-		char json_name[name_size];
-
-		snprintf(json_name, name_size, "%s:%u", addrstr, port);
-		jsonw_string_field(rd->jw, key, json_name);
-		return;
-	}
-	pr_out("%s %s:%u ", key, addrstr, port);
-}
-
-static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
-{
-	struct __kernel_sockaddr_storage *addr;
-
-	addr = (struct __kernel_sockaddr_storage *)
-						mnl_attr_get_payload(nla_line);
-	switch (addr->ss_family) {
-	case AF_INET: {
-		struct sockaddr_in *sin = (struct sockaddr_in *)addr;
-
-		if (!inet_ntop(AF_INET, (const void *)&sin->sin_addr, addr_str,
-			       INET6_ADDRSTRLEN))
-			return -EINVAL;
-		*port = ntohs(sin->sin_port);
-		break;
-	}
-	case AF_INET6: {
-		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
-
-		if (!inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
-			       addr_str, INET6_ADDRSTRLEN))
-			return -EINVAL;
-		*port = ntohs(sin6->sin6_port);
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int res_cm_id_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;
-	int idx;
-
-	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_RES_CM_ID])
-		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_RES_CM_ID];
-	mnl_attr_for_each_nested(nla_entry, nla_table) {
-		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		char src_addr_str[INET6_ADDRSTRLEN];
-		char dst_addr_str[INET6_ADDRSTRLEN];
-		uint16_t src_port, dst_port;
-		uint32_t port = 0, pid = 0;
-		uint8_t type = 0, state;
-		uint32_t lqpn = 0, ps;
-		char *comm = NULL;
-		int err;
-
-		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_STATE] ||
-		    !nla_line[RDMA_NLDEV_ATTR_RES_PS] ||
-		    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
-		     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
-			return MNL_CB_ERROR;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
-			port = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
-
-		if (port && port != rd->port_idx)
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN]) {
-			lqpn = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
-			if (rd_check_is_filtered(rd, "lqpn", lqpn))
-				continue;
-		}
-		if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE]) {
-			type = mnl_attr_get_u8(
-					nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
-			if (rd_check_is_string_filtered(rd, "qp-type",
-							qp_types_to_str(type)))
-				continue;
-		}
-
-		ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
-		if (rd_check_is_string_filtered(rd, "ps", cm_id_ps_to_str(ps)))
-			continue;
-
-		state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
-		if (rd_check_is_string_filtered(rd, "state",
-						cm_id_state_to_str(state)))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]) {
-			if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
-				    src_addr_str, &src_port))
-				continue;
-			if (rd_check_is_string_filtered(rd, "src-addr",
-							src_addr_str))
-				continue;
-			if (rd_check_is_filtered(rd, "src-port", src_port))
-				continue;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]) {
-			if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
-				    dst_addr_str, &dst_port))
-				continue;
-			if (rd_check_is_string_filtered(rd, "dst-addr",
-							dst_addr_str))
-				continue;
-			if (rd_check_is_filtered(rd, "dst-port", dst_port))
-				continue;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
-			pid = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_PID]);
-			comm = get_task_name(pid);
-		}
-
-		if (rd_check_is_filtered(rd, "pid", pid)) {
-			free(comm);
-			continue;
-		}
-
-		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->json_output)
-			jsonw_start_array(rd->jw);
-
-		print_link(rd, idx, name, port, nla_line);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
-			print_lqpn(rd, lqpn);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
-			print_qp_type(rd, type);
-		print_cm_id_state(rd, state);
-		print_ps(rd, ps);
-		print_pid(rd, pid);
-		print_comm(rd, comm, nla_line);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
-			print_ipaddr(rd, "src-addr", src_addr_str, src_port);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
-			print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
-			free(comm);
-
-		print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
-		newline(rd);
-	}
-	return MNL_CB_OK;
-}
-
-static void print_cqe(struct rd *rd, uint32_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "cqe", val);
-	else
-		pr_out("cqe %u ", val);
-}
-
-static void print_users(struct rd *rd, uint64_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "users", val);
-	else
-		pr_out("users %" PRIu64 " ", val);
-}
-
-static const char *poll_ctx_to_str(uint8_t idx)
-{
-	static const char * const cm_id_states_str[] = {
-		"DIRECT", "SOFTIRQ", "WORKQUEUE", "UNBOUND_WORKQUEUE"};
-
-	if (idx < ARRAY_SIZE(cm_id_states_str))
-		return cm_id_states_str[idx];
-	return "UNKNOWN";
-}
-
-static void print_poll_ctx(struct rd *rd, uint8_t poll_ctx)
-{
-	if (rd->json_output) {
-		jsonw_string_field(rd->jw, "poll-ctx",
-				   poll_ctx_to_str(poll_ctx));
-		return;
-	}
-	pr_out("poll-ctx %s ", poll_ctx_to_str(poll_ctx));
-}
-
-static int res_cq_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;
-
-	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_RES_CQ])
-		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_RES_CQ];
-
-	mnl_attr_for_each_nested(nla_entry, nla_table) {
-		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		char *comm = NULL;
-		uint32_t pid = 0;
-		uint8_t poll_ctx = 0;
-		uint64_t users;
-		uint32_t cqe;
-		int err;
-
-		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
-		if (err != MNL_CB_OK)
-			return MNL_CB_ERROR;
-
-		if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] ||
-		    !nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
-		    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
-		     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
-			return MNL_CB_ERROR;
-		}
-
-		cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
-
-		users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
-		if (rd_check_is_filtered(rd, "users", users))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]) {
-			poll_ctx = mnl_attr_get_u8(
-					nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
-			if (rd_check_is_string_filtered(rd, "poll-ctx",
-						poll_ctx_to_str(poll_ctx)))
-				continue;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
-			pid = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_PID]);
-			comm = get_task_name(pid);
-		}
-
-		if (rd_check_is_filtered(rd, "pid", pid)) {
-			free(comm);
-			continue;
-		}
-
-		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->json_output)
-			jsonw_start_array(rd->jw);
-
-		print_dev(rd, idx, name);
-		print_cqe(rd, cqe);
-		print_users(rd, users);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
-			print_poll_ctx(rd, poll_ctx);
-		print_pid(rd, pid);
-		print_comm(rd, comm, nla_line);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
-			free(comm);
-
-		print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
-		newline(rd);
-	}
-	return MNL_CB_OK;
-}
-
-static void print_key(struct rd *rd, const char *name, uint32_t val)
-{
 	if (rd->json_output)
 		jsonw_xint_field(rd->jw, name, val);
 	else
-		pr_out("%s 0x%x ", name, val);
+		pr_out("%s 0x%" PRIx64 " ", name, val);
 }
 
-static void print_iova(struct rd *rd, uint64_t val)
+void res_print_uint(struct rd *rd, const char *name, uint64_t val,
+		    struct nlattr *nlattr)
 {
+	if (!nlattr)
+		return;
+
 	if (rd->json_output)
-		jsonw_xint_field(rd->jw, "iova", val);
+		jsonw_u64_field(rd->jw, name, val);
 	else
-		pr_out("iova 0x%" PRIx64 " ", val);
+		pr_out("%s %" PRIu64 " ", name, val);
 }
 
-static void print_mrlen(struct rd *rd, uint64_t val)
-{
-	if (rd->json_output)
-		jsonw_uint_field(rd->jw, "mrlen", val);
-	else
-		pr_out("mrlen %" PRIu64 " ", val);
-}
-
-static int res_mr_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;
-
-	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_RES_MR])
-		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_RES_MR];
-
-	mnl_attr_for_each_nested(nla_entry, nla_table) {
-		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		uint32_t rkey = 0, lkey = 0;
-		uint64_t iova = 0, mrlen;
-		char *comm = NULL;
-		uint32_t pid = 0;
-		int err;
-
-		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
-		if (err != MNL_CB_OK)
-			return MNL_CB_ERROR;
-
-		if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN] ||
-		    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
-		     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
-			return MNL_CB_ERROR;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
-			rkey = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
-			lkey = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
-			iova = mnl_attr_get_u64(
-					nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
-
-		mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
-		if (rd_check_is_filtered(rd, "mrlen", mrlen))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
-			pid = mnl_attr_get_u32(
-					nla_line[RDMA_NLDEV_ATTR_RES_PID]);
-			comm = get_task_name(pid);
-		}
-
-		if (rd_check_is_filtered(rd, "pid", pid)) {
-			free(comm);
-			continue;
-		}
-
-		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->json_output)
-			jsonw_start_array(rd->jw);
-
-		print_dev(rd, idx, name);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
-			print_key(rd, "rkey", rkey);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
-			print_key(rd, "lkey", lkey);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
-			print_iova(rd, iova);
-		print_mrlen(rd, mrlen);
-		print_pid(rd, pid);
-		print_comm(rd, comm, nla_line);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
-			free(comm);
-
-		print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
-		newline(rd);
-	}
-	return MNL_CB_OK;
-}
-
-static int res_pd_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;
-
-	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_RES_PD])
-		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_RES_PD];
-
-	mnl_attr_for_each_nested(nla_entry, nla_table) {
-		uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0;
-		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
-		char *comm = NULL;
-		uint32_t pid = 0;
-		uint64_t users;
-		int err;
-
-		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
-		if (err != MNL_CB_OK)
-			return MNL_CB_ERROR;
-
-		if (!nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
-		    (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
-		     !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
-			return MNL_CB_ERROR;
-		}
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY])
-			local_dma_lkey = mnl_attr_get_u32(
-				nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]);
-
-		users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
-		if (rd_check_is_filtered(rd, "users", users))
-			continue;
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
-			unsafe_global_rkey = mnl_attr_get_u32(
-			      nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
-			pid = mnl_attr_get_u32(
-				nla_line[RDMA_NLDEV_ATTR_RES_PID]);
-			comm = get_task_name(pid);
-		}
-
-		if (rd_check_is_filtered(rd, "pid", pid))
-			continue;
-
-		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->json_output)
-			jsonw_start_array(rd->jw);
-
-		print_dev(rd, idx, name);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY])
-			print_key(rd, "local_dma_lkey", local_dma_lkey);
-		print_users(rd, users);
-		if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
-			print_key(rd, "unsafe_global_rkey", unsafe_global_rkey);
-		print_pid(rd, pid);
-		print_comm(rd, comm, nla_line);
-
-		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
-			free(comm);
-
-		print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
-		newline(rd);
-	}
-	return MNL_CB_OK;
-}
-
-RES_FUNC(res_no_args,	RDMA_NLDEV_CMD_RES_GET,	NULL, true);
-
-static const struct
-filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {{ .name = "link",
-						   .is_number = false },
-						   { .name = "lqpn",
-						   .is_number = true },
-						   { .name = "rqpn",
-						   .is_number = true },
-						   { .name = "pid",
-						   .is_number = true },
-						   { .name = "sq-psn",
-						   .is_number = true },
-						   { .name = "rq-psn",
-						   .is_number = true },
-						   { .name = "type",
-						   .is_number = false },
-						   { .name = "path-mig-state",
-						   .is_number = false },
-						   { .name = "state",
-						   .is_number = false } };
-
-RES_FUNC(res_qp,	RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false);
-
-static const
-struct filters cm_id_valid_filters[MAX_NUMBER_OF_FILTERS] = {
-	{ .name = "link", .is_number = false },
-	{ .name = "lqpn", .is_number = true },
-	{ .name = "qp-type", .is_number = false },
-	{ .name = "state", .is_number = false },
-	{ .name = "ps", .is_number = false },
-	{ .name = "dev-type", .is_number = false },
-	{ .name = "transport-type", .is_number = false },
-	{ .name = "pid", .is_number = true },
-	{ .name = "src-addr", .is_number = false },
-	{ .name = "src-port", .is_number = true },
-	{ .name = "dst-addr", .is_number = false },
-	{ .name = "dst-port", .is_number = true }
-};
-
-RES_FUNC(res_cm_id, RDMA_NLDEV_CMD_RES_CM_ID_GET, cm_id_valid_filters, false);
-
-static const
-struct filters cq_valid_filters[MAX_NUMBER_OF_FILTERS] = {
-	{ .name = "dev", .is_number = false },
-	{ .name = "users", .is_number = true },
-	{ .name = "poll-ctx", .is_number = false },
-	{ .name = "pid", .is_number = true }
-};
-
-RES_FUNC(res_cq, RDMA_NLDEV_CMD_RES_CQ_GET, cq_valid_filters, true);
-
-static const
-struct filters mr_valid_filters[MAX_NUMBER_OF_FILTERS] = {
-	{ .name = "dev", .is_number = false },
-	{ .name = "rkey", .is_number = true },
-	{ .name = "lkey", .is_number = true },
-	{ .name = "mrlen", .is_number = true },
-	{ .name = "pid", .is_number = true }
-};
-
-RES_FUNC(res_mr, RDMA_NLDEV_CMD_RES_MR_GET, mr_valid_filters, true);
-
-static const
-struct filters pd_valid_filters[MAX_NUMBER_OF_FILTERS] = {
-	{ .name = "dev", .is_number = false },
-	{ .name = "users", .is_number = true },
-	{ .name = "pid", .is_number = true }
-};
-
-RES_FUNC(res_pd, RDMA_NLDEV_CMD_RES_PD_GET, pd_valid_filters, true);
+RES_FUNC(res_no_args,	RDMA_NLDEV_CMD_RES_GET,	NULL, true, 0);
 
 static int res_show(struct rd *rd)
 {
diff --git a/rdma/res.h b/rdma/res.h
new file mode 100644
index 00000000..b4a7e552
--- /dev/null
+++ b/rdma/res.h
@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/*
+ * res.h	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+#ifndef _RDMA_TOOL_RES_H_
+#define _RDMA_TOOL_RES_H_
+
+#include "rdma.h"
+
+int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback);
+int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
+		      uint32_t idx, uint32_t id);
+
+int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_pd_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_mr_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_mr_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_cq_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_cq_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data);
+int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
+
+#define RES_FUNC(name, command, valid_filters, strict_port, id)                        \
+	static inline int _##name(struct rd *rd)                                       \
+	{                                                                              \
+		uint32_t idx;                                                          \
+		int ret;                                                               \
+		if (id) {                                                              \
+			ret = rd_doit_index(rd, &idx);                                 \
+			if (ret) {                                                     \
+				ret = _res_send_idx_msg(rd, command,                   \
+							name##_idx_parse_cb,           \
+							idx, id);                      \
+				if (!ret)                                              \
+					return ret;                                    \
+				/* Fallback for old systems without .doit callbacks */ \
+			}                                                              \
+		}                                                                      \
+		return _res_send_msg(rd, command, name##_parse_cb);                    \
+	}                                                                              \
+	static inline int name(struct rd *rd)                                          \
+	{                                                                              \
+		int ret = rd_build_filter(rd, valid_filters);                          \
+		if (ret)                                                               \
+			return ret;                                                    \
+		if ((uintptr_t)valid_filters != (uintptr_t)NULL) {                     \
+			ret = rd_set_arg_to_devname(rd);                               \
+			if (ret)                                                       \
+				return ret;                                            \
+		}                                                                      \
+		if (strict_port)                                                       \
+			return rd_exec_dev(rd, _##name);                               \
+		else                                                                   \
+			return rd_exec_link(rd, _##name, strict_port);                 \
+	}
+
+static const
+struct filters pd_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "dev", .is_number = false },
+	{ .name = "users", .is_number = true },
+	{ .name = "pid", .is_number = true },
+	{ .name = "ctxn", .is_number = true },
+	{ .name = "pdn", .is_number = true, .is_doit = true },
+	{ .name = "ctxn", .is_number = true }
+};
+
+RES_FUNC(res_pd, RDMA_NLDEV_CMD_RES_PD_GET, pd_valid_filters, true,
+	 RDMA_NLDEV_ATTR_RES_PDN);
+
+static const
+struct filters mr_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "dev", .is_number = false },
+	{ .name = "rkey", .is_number = true },
+	{ .name = "lkey", .is_number = true },
+	{ .name = "mrlen", .is_number = true },
+	{ .name = "pid", .is_number = true },
+	{ .name = "mrn", .is_number = true, .is_doit = true },
+	{ .name = "pdn", .is_number = true }
+};
+
+RES_FUNC(res_mr, RDMA_NLDEV_CMD_RES_MR_GET, mr_valid_filters, true,
+	 RDMA_NLDEV_ATTR_RES_MRN);
+
+static const
+struct filters cq_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "dev", .is_number = false },
+	{ .name = "users", .is_number = true },
+	{ .name = "poll-ctx", .is_number = false },
+	{ .name = "pid", .is_number = true },
+	{ .name = "cqn", .is_number = true, .is_doit = true },
+	{ .name = "ctxn", .is_number = true }
+};
+
+RES_FUNC(res_cq, RDMA_NLDEV_CMD_RES_CQ_GET, cq_valid_filters, true,
+	 RDMA_NLDEV_ATTR_RES_CQN);
+
+static const
+struct filters cm_id_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "link", .is_number = false },
+	{ .name = "lqpn", .is_number = true },
+	{ .name = "qp-type", .is_number = false },
+	{ .name = "state", .is_number = false },
+	{ .name = "ps", .is_number = false },
+	{ .name = "dev-type", .is_number = false },
+	{ .name = "transport-type", .is_number = false },
+	{ .name = "pid", .is_number = true },
+	{ .name = "src-addr", .is_number = false },
+	{ .name = "src-port", .is_number = true },
+	{ .name = "dst-addr", .is_number = false },
+	{ .name = "dst-port", .is_number = true },
+	{ .name = "cm-idn", .is_number = true, .is_doit = true }
+};
+
+RES_FUNC(res_cm_id, RDMA_NLDEV_CMD_RES_CM_ID_GET, cm_id_valid_filters, false,
+	 RDMA_NLDEV_ATTR_RES_CM_IDN);
+
+static const struct
+filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {
+	{ .name = "link", .is_number = false },
+	{ .name = "lqpn", .is_number = true, .is_doit = true },
+	{ .name = "rqpn", .is_number = true },
+	{ .name = "pid",  .is_number = true },
+	{ .name = "sq-psn", .is_number = true },
+	{ .name = "rq-psn", .is_number = true },
+	{ .name = "type", .is_number = false },
+	{ .name = "path-mig-state", .is_number = false },
+	{ .name = "state", .is_number = false },
+	{ .name = "pdn", .is_number = true },
+};
+
+RES_FUNC(res_qp, RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false,
+	 RDMA_NLDEV_ATTR_RES_LQPN);
+
+char *get_task_name(uint32_t pid);
+void print_dev(struct rd *rd, uint32_t idx, const char *name);
+void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port,
+		struct nlattr **nla_line);
+void print_key(struct rd *rd, const char *name, uint64_t val,
+	       struct nlattr *nlattr);
+void res_print_uint(struct rd *rd, const char *name, uint64_t val,
+		    struct nlattr *nlattr);
+void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line);
+const char *qp_types_to_str(uint8_t idx);
+
+#endif /* _RDMA_TOOL_RES_H_ */
diff --git a/rdma/utils.c b/rdma/utils.c
index 069d44fe..6bc14cd5 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /*
  * utils.c	RDMA tool
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- *
  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  */
 
@@ -126,6 +121,7 @@ static int add_filter(struct rd *rd, char *key, char *value,
 	struct filter_entry *fe;
 	bool key_found = false;
 	int idx = 0;
+	char *endp;
 	int ret;
 
 	fe = calloc(1, sizeof(*fe));
@@ -168,6 +164,11 @@ static int add_filter(struct rd *rd, char *key, char *value,
 		goto err_alloc;
 	}
 
+	errno = 0;
+	strtol(fe->value, &endp, 10);
+	if (valid_filters[idx].is_doit && !errno && *endp == '\0')
+		fe->is_doit = true;
+
 	for (idx = 0; idx < strlen(fe->value); idx++)
 		fe->value[idx] = tolower(fe->value[idx]);
 
@@ -182,6 +183,20 @@ err:
 	return ret;
 }
 
+bool rd_doit_index(struct rd *rd, uint32_t *idx)
+{
+	struct filter_entry *fe;
+
+	list_for_each_entry(fe, &rd->filter_list, list) {
+		if (fe->is_doit) {
+			*idx = atoi(fe->value);
+			return true;
+		}
+	}
+
+	return false;
+}
+
 int rd_build_filter(struct rd *rd, const struct filters valid_filters[])
 {
 	int ret = 0;
@@ -218,7 +233,7 @@ out:
 	return ret;
 }
 
-bool rd_check_is_key_exist(struct rd *rd, const char *key)
+static bool rd_check_is_key_exist(struct rd *rd, const char *key)
 {
 	struct filter_entry *fe;
 
@@ -234,8 +249,8 @@ bool rd_check_is_key_exist(struct rd *rd, const char *key)
  * Check if string entry is filtered:
  *  * key doesn't exist -> user didn't request -> not filtered
  */
-bool rd_check_is_string_filtered(struct rd *rd,
-				 const char *key, const char *val)
+static bool rd_check_is_string_filtered(struct rd *rd, const char *key,
+					const char *val)
 {
 	bool key_is_filtered = false;
 	struct filter_entry *fe;
@@ -285,7 +300,7 @@ out:
  * Check if key is filtered:
  * key doesn't exist -> user didn't request -> not filtered
  */
-bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val)
+static bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val)
 {
 	bool key_is_filtered = false;
 	struct filter_entry *fe;
@@ -334,6 +349,24 @@ out:
 	return key_is_filtered;
 }
 
+bool rd_is_filtered_attr(struct rd *rd, const char *key, uint32_t val,
+			 struct nlattr *attr)
+{
+	if (!attr)
+		return rd_check_is_key_exist(rd, key);
+
+	return rd_check_is_filtered(rd, key, val);
+}
+
+bool rd_is_string_filtered_attr(struct rd *rd, const char *key, const char *val,
+				struct nlattr *attr)
+{
+	if (!attr)
+		rd_check_is_key_exist(rd, key);
+
+	return rd_check_is_string_filtered(rd, key, val);
+}
+
 static void filters_cleanup(struct rd *rd)
 {
 	struct filter_entry *fe, *tmp;