[mirror_iproute2.git] / rdma / res-qp.c

// 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_entry)
{
	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;
	uint32_t pdn = 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)
		goto out;

	lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
	if (rd_check_is_filtered(rd, "lqpn", 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_check_is_filtered(rd, "pdn", 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_check_is_filtered(rd, "rqpn", rqpn))
			goto out;
	} else {
		if (rd_check_is_key_exist(rd, "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_check_is_filtered(rd, "rq-psn", rq_psn))
			goto out;
	} else {
		if (rd_check_is_key_exist(rd, "rq-psn"))
			goto out;
	}

	sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
	if (rd_check_is_filtered(rd, "sq-psn", 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_check_is_string_filtered(rd, "path-mig-state",
						path_mig_to_str(path_mig_state)))
			goto out;
	} else {
		if (rd_check_is_key_exist(rd, "path-mig-state"))
			goto out;
	}

	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)))
		goto out;

	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)))
		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_check_is_filtered(rd, "pid", 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);
	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
		res_print_uint(rd, "pdn", pdn);
	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);

	print_pathmig(rd, path_mig_state, nla_line);
	res_print_uint(rd, "pid", 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_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) {
		ret = res_qp_line(rd, name, idx, nla_entry);

		if (ret != MNL_CB_OK)
			break;
	}
	return ret;
}
Commit	Line	Data
687daf98 LR	1	// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
	2	/*
	3	* res-qp.c RDMA tool
	4	* Authors: Leon Romanovsky <leonro@mellanox.com>
	5	*/
	6
	7	#include "res.h"
	8	#include <inttypes.h>
	9
	10	static const char *path_mig_to_str(uint8_t idx)
	11	{
	12	static const char *const path_mig_str[] = { "MIGRATED", "REARM",
	13	"ARMED" };
	14
	15	if (idx < ARRAY_SIZE(path_mig_str))
	16	return path_mig_str[idx];
	17	return "UNKNOWN";
	18	}
	19
	20	static const char *qp_states_to_str(uint8_t idx)
	21	{
	22	static const char *const qp_states_str[] = { "RESET", "INIT", "RTR",
	23	"RTS", "SQD", "SQE",
	24	"ERR" };
	25
	26	if (idx < ARRAY_SIZE(qp_states_str))
	27	return qp_states_str[idx];
	28	return "UNKNOWN";
	29	}
	30
	31	static void print_rqpn(struct rd rd, uint32_t val, struct nlattr *nla_line)
	32	{
	33	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
	34	return;
	35
	36	if (rd->json_output)
	37	jsonw_uint_field(rd->jw, "rqpn", val);
	38	else
	39	pr_out("rqpn %u ", val);
	40	}
	41
	42	static void print_type(struct rd *rd, uint32_t val)
	43	{
	44	if (rd->json_output)
	45	jsonw_string_field(rd->jw, "type", qp_types_to_str(val));
	46	else
	47	pr_out("type %s ", qp_types_to_str(val));
	48	}
	49
	50	static void print_state(struct rd *rd, uint32_t val)
	51	{
	52	if (rd->json_output)
	53	jsonw_string_field(rd->jw, "state", qp_states_to_str(val));
	54	else
	55	pr_out("state %s ", qp_states_to_str(val));
	56	}
	57
	58	static void print_rqpsn(struct rd rd, uint32_t val, struct nlattr *nla_line)
	59	{
	60	if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
	61	return;
	62
	63	if (rd->json_output)
	64	jsonw_uint_field(rd->jw, "rq-psn", val);
65	else
66	pr_out("rq-psn %u ", val);
67	}
68
687daf98 LR	69	static void print_pathmig(struct rd rd, uint32_t val, struct nlattr *nla_line)
	70	{
	71	if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
	72	return;
	73
	74	if (rd->json_output)
	75	jsonw_string_field(rd->jw, "path-mig-state",
	76	path_mig_to_str(val));
	77	else
	78	pr_out("path-mig-state %s ", path_mig_to_str(val));
	79	}
	80
6da9d251 LR	81	static int res_qp_line(struct rd rd, const char name, int idx,
	82	struct nlattr *nla_entry)
	83	{
	84	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
	85	uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
	86	uint8_t type, state, path_mig_state = 0;
	87	uint32_t port = 0, pid = 0;
	88	uint32_t pdn = 0;
	89	char *comm = NULL;
	90	int err;
	91
	92	err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	93	if (err != MNL_CB_OK)
	94	return MNL_CB_ERROR;
	95
	96	if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] \|\|
	97	!nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] \|\|
	98	!nla_line[RDMA_NLDEV_ATTR_RES_TYPE] \|\|
	99	!nla_line[RDMA_NLDEV_ATTR_RES_STATE] \|\|
	100	(!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
	101	!nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
	102	return MNL_CB_ERROR;
	103	}
	104
	105	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
	106	port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
	107
	108	if (port != rd->port_idx)
	109	goto out;
	110
	111	lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
	112	if (rd_check_is_filtered(rd, "lqpn", lqpn))
	113	goto out;
	114
	115	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
	116	pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
	117	if (rd_check_is_filtered(rd, "pdn", pdn))
	118	goto out;
	119
	120	if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN]) {
	121	rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
	122	if (rd_check_is_filtered(rd, "rqpn", rqpn))
	123	goto out;
	124	} else {
	125	if (rd_check_is_key_exist(rd, "rqpn"))
	126	goto out;
	127	}
	128
	129	if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]) {
	130	rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
	131	if (rd_check_is_filtered(rd, "rq-psn", rq_psn))
	132	goto out;
	133	} else {
	134	if (rd_check_is_key_exist(rd, "rq-psn"))
	135	goto out;
	136	}
	137
	138	sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
	139	if (rd_check_is_filtered(rd, "sq-psn", sq_psn))
	140	goto out;
	141
	142	if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]) {
	143	path_mig_state = mnl_attr_get_u8(
	144	nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
145	if (rd_check_is_string_filtered(rd, "path-mig-state",
146	path_mig_to_str(path_mig_state)))
147	goto out;
148	} else {
149	if (rd_check_is_key_exist(rd, "path-mig-state"))
150	goto out;
151	}
152
153	type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
154	if (rd_check_is_string_filtered(rd, "type", qp_types_to_str(type)))
155	goto out;
156
157	state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
158	if (rd_check_is_string_filtered(rd, "state", qp_states_to_str(state)))
159	goto out;
160
161	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
162	pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
163	comm = get_task_name(pid);
164	}
165
166	if (rd_check_is_filtered(rd, "pid", pid))
167	goto out;
168
169	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
170	/* discard const from mnl_attr_get_str */
171	comm = (char *)mnl_attr_get_str(
172	nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
173
174	if (rd->json_output)
175	jsonw_start_array(rd->jw);
176
177	print_link(rd, idx, name, port, nla_line);
178
179	res_print_uint(rd, "lqpn", lqpn);
180	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
181	res_print_uint(rd, "pdn", pdn);
182	print_rqpn(rd, rqpn, nla_line);
183
184	print_type(rd, type);
185	print_state(rd, state);
186
187	print_rqpsn(rd, rq_psn, nla_line);
188	res_print_uint(rd, "sq-psn", sq_psn);
189
190	print_pathmig(rd, path_mig_state, nla_line);
191	res_print_uint(rd, "pid", pid);
192	print_comm(rd, comm, nla_line);
193
194	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
195	newline(rd);
196	out:
197	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
198	free(comm);
199	return MNL_CB_OK;
200	}
201
687daf98 LR	202	int res_qp_parse_cb(const struct nlmsghdr nlh, void data)
	203	{
	204	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	205	struct nlattr nla_table, nla_entry;
	206	struct rd *rd = data;
6da9d251	207	int ret = MNL_CB_OK;
687daf98 LR	208	const char *name;
	209	uint32_t idx;
	210
	211	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	212	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	213	!tb[RDMA_NLDEV_ATTR_RES_QP])
	214	return MNL_CB_ERROR;
	215
	216	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	217	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	218	nla_table = tb[RDMA_NLDEV_ATTR_RES_QP];
	219
	220	mnl_attr_for_each_nested(nla_entry, nla_table) {
6da9d251 LR	221	ret = res_qp_line(rd, name, idx, nla_entry);
	222
	223	if (ret != MNL_CB_OK)
	224	break;
687daf98	225	}
6da9d251	226	return ret;
687daf98	227	}