1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
11 int rd_argc(struct rd
*rd
)
16 char *rd_argv(struct rd
*rd
)
23 int strcmpx(const char *str1
, const char *str2
)
25 if (strlen(str1
) > strlen(str2
))
27 return strncmp(str1
, str2
, strlen(str1
));
30 static bool rd_argv_match(struct rd
*rd
, const char *pattern
)
34 return strcmpx(rd_argv(rd
), pattern
) == 0;
37 void rd_arg_inc(struct rd
*rd
)
45 bool rd_no_arg(struct rd
*rd
)
47 return rd_argc(rd
) == 0;
51 * Possible input:output
52 * dev/port | first port | is_dump_all
55 * mlx5_1/0 | 0 | false
56 * mlx5_1/1 | 1 | false
57 * mlx5_1/- | 0 | false
59 * In strict port mode, a non-0 port must be provided
61 static int get_port_from_argv(struct rd
*rd
, uint32_t *port
,
62 bool *is_dump_all
, bool strict_port
)
67 *is_dump_all
= strict_port
? false : true;
69 slash
= strchr(rd_argv(rd
), '/');
70 /* if no port found, return 0 */
79 if (isdigit(*slash
)) {
83 if (!*port
&& strlen(slash
))
86 if (strict_port
&& (*port
== 0))
92 static struct dev_map
*dev_map_alloc(const char *dev_name
)
94 struct dev_map
*dev_map
;
96 dev_map
= calloc(1, sizeof(*dev_map
));
99 dev_map
->dev_name
= strdup(dev_name
);
100 if (!dev_map
->dev_name
) {
108 static void dev_map_cleanup(struct rd
*rd
)
110 struct dev_map
*dev_map
, *tmp
;
112 list_for_each_entry_safe(dev_map
, tmp
,
113 &rd
->dev_map_list
, list
) {
114 list_del(&dev_map
->list
);
115 free(dev_map
->dev_name
);
120 static int add_filter(struct rd
*rd
, char *key
, char *value
,
121 const struct filters valid_filters
[])
123 char cset
[] = "1234567890,-";
124 struct filter_entry
*fe
;
125 bool key_found
= false;
130 fe
= calloc(1, sizeof(*fe
));
134 while (idx
< MAX_NUMBER_OF_FILTERS
&& valid_filters
[idx
].name
) {
135 if (!strcmpx(key
, valid_filters
[idx
].name
)) {
142 pr_err("Unsupported filter option: %s\n", key
);
148 * Check the filter validity, not optimal, but works
150 * Actually, there are three types of filters
151 * numeric - for example PID or QPN
152 * string - for example states
153 * link - user requested to filter on specific link
154 * e.g. mlx5_1/1, mlx5_1/-, mlx5_1 ...
156 if (valid_filters
[idx
].is_number
&&
157 strspn(value
, cset
) != strlen(value
)) {
158 pr_err("%s filter accepts \"%s\" characters only\n", key
, cset
);
163 fe
->key
= strdup(key
);
164 fe
->value
= strdup(value
);
165 if (!fe
->key
|| !fe
->value
) {
171 strtol(fe
->value
, &endp
, 10);
172 if (valid_filters
[idx
].is_doit
&& !errno
&& *endp
== '\0')
175 for (idx
= 0; idx
< strlen(fe
->value
); idx
++)
176 fe
->value
[idx
] = tolower(fe
->value
[idx
]);
178 list_add_tail(&fe
->list
, &rd
->filter_list
);
189 bool rd_doit_index(struct rd
*rd
, uint32_t *idx
)
191 struct filter_entry
*fe
;
193 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
195 *idx
= atoi(fe
->value
);
203 int rd_build_filter(struct rd
*rd
, const struct filters valid_filters
[])
208 if (!valid_filters
|| !rd_argc(rd
))
211 if (rd_argc(rd
) == 1) {
212 pr_err("No filter data was supplied to filter option %s\n", rd_argv(rd
));
217 if (rd_argc(rd
) % 2) {
218 pr_err("There is filter option without data\n");
223 while (idx
!= rd_argc(rd
)) {
225 * We can do micro-optimization and skip "dev"
226 * and "link" filters, but it is not worth of it.
228 ret
= add_filter(rd
, *(rd
->argv
+ idx
),
229 *(rd
->argv
+ idx
+ 1), valid_filters
);
239 static bool rd_check_is_key_exist(struct rd
*rd
, const char *key
)
241 struct filter_entry
*fe
;
243 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
244 if (!strcmpx(fe
->key
, key
))
252 * Check if string entry is filtered:
253 * * key doesn't exist -> user didn't request -> not filtered
255 static bool rd_check_is_string_filtered(struct rd
*rd
, const char *key
,
258 bool key_is_filtered
= false;
259 struct filter_entry
*fe
;
263 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
264 if (!strcmpx(fe
->key
, key
)) {
265 /* We found the key */
266 p
= strdup(fe
->value
);
267 key_is_filtered
= true;
270 * Something extremely wrong if we fail
271 * to allocate small amount of bytes.
273 pr_err("Found key, but failed to allocate memory to store value\n");
274 return key_is_filtered
;
278 * Need to check if value in range
279 * It can come in the following formats
280 * and their permutations:
284 str
= strtok(p
, ",");
286 if (strlen(str
) == strlen(val
) &&
287 !strcasecmp(str
, val
)) {
288 key_is_filtered
= false;
291 str
= strtok(NULL
, ",");
299 return key_is_filtered
;
303 * Check if key is filtered:
304 * key doesn't exist -> user didn't request -> not filtered
306 static bool rd_check_is_filtered(struct rd
*rd
, const char *key
, uint32_t val
)
308 bool key_is_filtered
= false;
309 struct filter_entry
*fe
;
311 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
312 uint32_t left_val
= 0, fe_value
= 0;
313 bool range_check
= false;
316 if (!strcmpx(fe
->key
, key
)) {
317 /* We found the key */
318 key_is_filtered
= true;
320 * Need to check if value in range
321 * It can come in the following formats
322 * (and their permutations):
327 * numb1,numb2-numb3,numb4-numb5
331 fe_value
= strtol(p
, &p
, 10);
332 if (fe_value
== val
||
333 (range_check
&& left_val
< val
&&
335 key_is_filtered
= false;
352 return key_is_filtered
;
355 bool rd_is_filtered_attr(struct rd
*rd
, const char *key
, uint32_t val
,
359 return rd_check_is_key_exist(rd
, key
);
361 return rd_check_is_filtered(rd
, key
, val
);
364 bool rd_is_string_filtered_attr(struct rd
*rd
, const char *key
, const char *val
,
368 rd_check_is_key_exist(rd
, key
);
370 return rd_check_is_string_filtered(rd
, key
, val
);
373 static void filters_cleanup(struct rd
*rd
)
375 struct filter_entry
*fe
, *tmp
;
377 list_for_each_entry_safe(fe
, tmp
,
378 &rd
->filter_list
, list
) {
386 static const enum mnl_attr_data_type nldev_policy
[RDMA_NLDEV_ATTR_MAX
] = {
387 [RDMA_NLDEV_ATTR_DEV_INDEX
] = MNL_TYPE_U32
,
388 [RDMA_NLDEV_ATTR_DEV_NAME
] = MNL_TYPE_NUL_STRING
,
389 [RDMA_NLDEV_ATTR_PORT_INDEX
] = MNL_TYPE_U32
,
390 [RDMA_NLDEV_ATTR_CAP_FLAGS
] = MNL_TYPE_U64
,
391 [RDMA_NLDEV_ATTR_FW_VERSION
] = MNL_TYPE_NUL_STRING
,
392 [RDMA_NLDEV_ATTR_NODE_GUID
] = MNL_TYPE_U64
,
393 [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID
] = MNL_TYPE_U64
,
394 [RDMA_NLDEV_ATTR_LID
] = MNL_TYPE_U32
,
395 [RDMA_NLDEV_ATTR_SM_LID
] = MNL_TYPE_U32
,
396 [RDMA_NLDEV_ATTR_LMC
] = MNL_TYPE_U8
,
397 [RDMA_NLDEV_ATTR_PORT_STATE
] = MNL_TYPE_U8
,
398 [RDMA_NLDEV_ATTR_PORT_PHYS_STATE
] = MNL_TYPE_U8
,
399 [RDMA_NLDEV_ATTR_DEV_NODE_TYPE
] = MNL_TYPE_U8
,
400 [RDMA_NLDEV_ATTR_RES_SUMMARY
] = MNL_TYPE_NESTED
,
401 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY
] = MNL_TYPE_NESTED
,
402 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME
] = MNL_TYPE_NUL_STRING
,
403 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
] = MNL_TYPE_U64
,
404 [RDMA_NLDEV_ATTR_RES_QP
] = MNL_TYPE_NESTED
,
405 [RDMA_NLDEV_ATTR_RES_QP_ENTRY
] = MNL_TYPE_NESTED
,
406 [RDMA_NLDEV_ATTR_RES_LQPN
] = MNL_TYPE_U32
,
407 [RDMA_NLDEV_ATTR_RES_RQPN
] = MNL_TYPE_U32
,
408 [RDMA_NLDEV_ATTR_RES_RQ_PSN
] = MNL_TYPE_U32
,
409 [RDMA_NLDEV_ATTR_RES_SQ_PSN
] = MNL_TYPE_U32
,
410 [RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE
] = MNL_TYPE_U8
,
411 [RDMA_NLDEV_ATTR_RES_TYPE
] = MNL_TYPE_U8
,
412 [RDMA_NLDEV_ATTR_RES_STATE
] = MNL_TYPE_U8
,
413 [RDMA_NLDEV_ATTR_RES_PID
] = MNL_TYPE_U32
,
414 [RDMA_NLDEV_ATTR_RES_KERN_NAME
] = MNL_TYPE_NUL_STRING
,
415 [RDMA_NLDEV_ATTR_RES_CM_ID
] = MNL_TYPE_NESTED
,
416 [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY
] = MNL_TYPE_NESTED
,
417 [RDMA_NLDEV_ATTR_RES_PS
] = MNL_TYPE_U32
,
418 [RDMA_NLDEV_ATTR_RES_SRC_ADDR
] = MNL_TYPE_UNSPEC
,
419 [RDMA_NLDEV_ATTR_RES_DST_ADDR
] = MNL_TYPE_UNSPEC
,
420 [RDMA_NLDEV_ATTR_RES_CQ
] = MNL_TYPE_NESTED
,
421 [RDMA_NLDEV_ATTR_RES_CQ_ENTRY
] = MNL_TYPE_NESTED
,
422 [RDMA_NLDEV_ATTR_RES_CQE
] = MNL_TYPE_U32
,
423 [RDMA_NLDEV_ATTR_RES_USECNT
] = MNL_TYPE_U64
,
424 [RDMA_NLDEV_ATTR_RES_POLL_CTX
] = MNL_TYPE_U8
,
425 [RDMA_NLDEV_ATTR_RES_MR
] = MNL_TYPE_NESTED
,
426 [RDMA_NLDEV_ATTR_RES_MR_ENTRY
] = MNL_TYPE_NESTED
,
427 [RDMA_NLDEV_ATTR_RES_RKEY
] = MNL_TYPE_U32
,
428 [RDMA_NLDEV_ATTR_RES_LKEY
] = MNL_TYPE_U32
,
429 [RDMA_NLDEV_ATTR_RES_IOVA
] = MNL_TYPE_U64
,
430 [RDMA_NLDEV_ATTR_RES_MRLEN
] = MNL_TYPE_U64
,
431 [RDMA_NLDEV_ATTR_NDEV_INDEX
] = MNL_TYPE_U32
,
432 [RDMA_NLDEV_ATTR_NDEV_NAME
] = MNL_TYPE_NUL_STRING
,
433 [RDMA_NLDEV_ATTR_DRIVER
] = MNL_TYPE_NESTED
,
434 [RDMA_NLDEV_ATTR_DRIVER_ENTRY
] = MNL_TYPE_NESTED
,
435 [RDMA_NLDEV_ATTR_DRIVER_STRING
] = MNL_TYPE_NUL_STRING
,
436 [RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE
] = MNL_TYPE_U8
,
437 [RDMA_NLDEV_ATTR_DRIVER_S32
] = MNL_TYPE_U32
,
438 [RDMA_NLDEV_ATTR_DRIVER_U32
] = MNL_TYPE_U32
,
439 [RDMA_NLDEV_ATTR_DRIVER_S64
] = MNL_TYPE_U64
,
440 [RDMA_NLDEV_ATTR_DRIVER_U64
] = MNL_TYPE_U64
,
441 [RDMA_NLDEV_SYS_ATTR_NETNS_MODE
] = MNL_TYPE_U8
,
442 [RDMA_NLDEV_ATTR_STAT_COUNTER
] = MNL_TYPE_NESTED
,
443 [RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY
] = MNL_TYPE_NESTED
,
444 [RDMA_NLDEV_ATTR_STAT_COUNTER_ID
] = MNL_TYPE_U32
,
445 [RDMA_NLDEV_ATTR_STAT_HWCOUNTERS
] = MNL_TYPE_NESTED
,
446 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY
] = MNL_TYPE_NESTED
,
447 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME
] = MNL_TYPE_NUL_STRING
,
448 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE
] = MNL_TYPE_U64
,
449 [RDMA_NLDEV_ATTR_STAT_MODE
] = MNL_TYPE_U32
,
450 [RDMA_NLDEV_ATTR_STAT_RES
] = MNL_TYPE_U32
,
451 [RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK
] = MNL_TYPE_U32
,
454 int rd_attr_check(const struct nlattr
*attr
, int *typep
)
458 if (mnl_attr_type_valid(attr
, RDMA_NLDEV_ATTR_MAX
) < 0)
461 type
= mnl_attr_get_type(attr
);
463 if (mnl_attr_validate(attr
, nldev_policy
[type
]) < 0)
466 *typep
= nldev_policy
[type
];
470 int rd_attr_cb(const struct nlattr
*attr
, void *data
)
472 const struct nlattr
**tb
= data
;
475 if (mnl_attr_type_valid(attr
, RDMA_NLDEV_ATTR_MAX
- 1) < 0)
476 /* We received unknown attribute */
479 type
= mnl_attr_get_type(attr
);
481 if (mnl_attr_validate(attr
, nldev_policy
[type
]) < 0)
488 int rd_dev_init_cb(const struct nlmsghdr
*nlh
, void *data
)
490 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
491 struct dev_map
*dev_map
;
492 struct rd
*rd
= data
;
493 const char *dev_name
;
495 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
496 if (!tb
[RDMA_NLDEV_ATTR_DEV_NAME
] || !tb
[RDMA_NLDEV_ATTR_DEV_INDEX
])
498 if (!tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]) {
499 pr_err("This tool doesn't support switches yet\n");
503 dev_name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]);
505 dev_map
= dev_map_alloc(dev_name
);
507 /* The main function will cleanup the allocations */
509 list_add_tail(&dev_map
->list
, &rd
->dev_map_list
);
511 dev_map
->num_ports
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]);
512 dev_map
->idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
516 void rd_free(struct rd
*rd
)
525 int rd_set_arg_to_devname(struct rd
*rd
)
529 while (!rd_no_arg(rd
)) {
530 if (rd_argv_match(rd
, "dev") || rd_argv_match(rd
, "link")) {
533 pr_err("No device name was supplied\n");
544 int rd_exec_link(struct rd
*rd
, int (*cb
)(struct rd
*rd
), bool strict_port
)
546 struct dev_map
*dev_map
;
551 jsonw_start_array(rd
->jw
);
553 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
) {
554 rd
->dev_idx
= dev_map
->idx
;
555 port
= (strict_port
) ? 1 : 0;
556 for (; port
< dev_map
->num_ports
+ 1; port
++) {
567 dev_map
= dev_map_lookup(rd
, true);
568 ret
= get_port_from_argv(rd
, &port
, &is_dump_all
, strict_port
);
569 if (!dev_map
|| port
> dev_map
->num_ports
|| (!port
&& ret
)) {
570 pr_err("Wrong device name\n");
575 rd
->dev_idx
= dev_map
->idx
;
577 for (; rd
->port_idx
< dev_map
->num_ports
+ 1; rd
->port_idx
++) {
583 * We got request to show link for devname
592 jsonw_end_array(rd
->jw
);
596 int rd_exec_dev(struct rd
*rd
, int (*cb
)(struct rd
*rd
))
598 struct dev_map
*dev_map
;
602 jsonw_start_array(rd
->jw
);
604 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
) {
605 rd
->dev_idx
= dev_map
->idx
;
611 dev_map
= dev_map_lookup(rd
, false);
613 pr_err("Wrong device name - %s\n", rd_argv(rd
));
618 rd
->dev_idx
= dev_map
->idx
;
623 jsonw_end_array(rd
->jw
);
627 int rd_exec_require_dev(struct rd
*rd
, int (*cb
)(struct rd
*rd
))
630 pr_err("Please provide device name.\n");
634 return rd_exec_dev(rd
, cb
);
637 int rd_exec_cmd(struct rd
*rd
, const struct rd_cmd
*cmds
, const char *str
)
639 const struct rd_cmd
*c
;
641 /* First argument in objs table is default variant */
643 return cmds
->func(rd
);
645 for (c
= cmds
+ 1; c
->cmd
; ++c
) {
646 if (rd_argv_match(rd
, c
->cmd
)) {
647 /* Move to next argument */
653 pr_err("Unknown %s '%s'.\n", str
, rd_argv(rd
));
657 void rd_prepare_msg(struct rd
*rd
, uint32_t cmd
, uint32_t *seq
, uint16_t flags
)
661 rd
->nlh
= mnl_nlmsg_put_header(rd
->buff
);
662 rd
->nlh
->nlmsg_type
= RDMA_NL_GET_TYPE(RDMA_NL_NLDEV
, cmd
);
663 rd
->nlh
->nlmsg_seq
= *seq
;
664 rd
->nlh
->nlmsg_flags
= flags
;
667 int rd_send_msg(struct rd
*rd
)
671 rd
->nl
= mnl_socket_open(NETLINK_RDMA
);
673 pr_err("Failed to open NETLINK_RDMA socket\n");
677 ret
= mnl_socket_bind(rd
->nl
, 0, MNL_SOCKET_AUTOPID
);
679 pr_err("Failed to bind socket with err %d\n", ret
);
683 ret
= mnl_socket_sendto(rd
->nl
, rd
->nlh
, rd
->nlh
->nlmsg_len
);
685 pr_err("Failed to send to socket with err %d\n", ret
);
691 mnl_socket_close(rd
->nl
);
695 int rd_recv_msg(struct rd
*rd
, mnl_cb_t callback
, void *data
, unsigned int seq
)
699 char buf
[MNL_SOCKET_BUFFER_SIZE
];
701 portid
= mnl_socket_get_portid(rd
->nl
);
703 ret
= mnl_socket_recvfrom(rd
->nl
, buf
, sizeof(buf
));
707 ret
= mnl_cb_run(buf
, ret
, seq
, portid
, callback
, data
);
710 if (ret
< 0 && !rd
->suppress_errors
)
713 mnl_socket_close(rd
->nl
);
717 static int null_cb(const struct nlmsghdr
*nlh
, void *data
)
722 int rd_sendrecv_msg(struct rd
*rd
, unsigned int seq
)
726 ret
= rd_send_msg(rd
);
728 ret
= rd_recv_msg(rd
, null_cb
, rd
, seq
);
732 static struct dev_map
*_dev_map_lookup(struct rd
*rd
, const char *dev_name
)
734 struct dev_map
*dev_map
;
736 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
)
737 if (strcmp(dev_name
, dev_map
->dev_name
) == 0)
743 struct dev_map
*dev_map_lookup(struct rd
*rd
, bool allow_port_index
)
745 struct dev_map
*dev_map
;
752 dev_name
= strdup(rd_argv(rd
));
753 if (allow_port_index
) {
754 slash
= strrchr(dev_name
, '/');
759 dev_map
= _dev_map_lookup(rd
, dev_name
);
764 #define nla_type(attr) ((attr)->nla_type & NLA_TYPE_MASK)
766 void newline(struct rd
*rd
)
769 jsonw_end_array(rd
->jw
);
774 void newline_indent(struct rd
*rd
)
777 if (!rd
->json_output
)
781 static int print_driver_string(struct rd
*rd
, const char *key_str
,
784 if (rd
->json_output
) {
785 jsonw_string_field(rd
->jw
, key_str
, val_str
);
788 return pr_out("%s %s ", key_str
, val_str
);
792 static int print_driver_s32(struct rd
*rd
, const char *key_str
, int32_t val
,
793 enum rdma_nldev_print_type print_type
)
795 if (rd
->json_output
) {
796 jsonw_int_field(rd
->jw
, key_str
, val
);
799 switch (print_type
) {
800 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
801 return pr_out("%s %d ", key_str
, val
);
802 case RDMA_NLDEV_PRINT_TYPE_HEX
:
803 return pr_out("%s 0x%x ", key_str
, val
);
809 static int print_driver_u32(struct rd
*rd
, const char *key_str
, uint32_t val
,
810 enum rdma_nldev_print_type print_type
)
812 if (rd
->json_output
) {
813 jsonw_int_field(rd
->jw
, key_str
, val
);
816 switch (print_type
) {
817 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
818 return pr_out("%s %u ", key_str
, val
);
819 case RDMA_NLDEV_PRINT_TYPE_HEX
:
820 return pr_out("%s 0x%x ", key_str
, val
);
826 static int print_driver_s64(struct rd
*rd
, const char *key_str
, int64_t val
,
827 enum rdma_nldev_print_type print_type
)
829 if (rd
->json_output
) {
830 jsonw_int_field(rd
->jw
, key_str
, val
);
833 switch (print_type
) {
834 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
835 return pr_out("%s %" PRId64
" ", key_str
, val
);
836 case RDMA_NLDEV_PRINT_TYPE_HEX
:
837 return pr_out("%s 0x%" PRIx64
" ", key_str
, val
);
843 static int print_driver_u64(struct rd
*rd
, const char *key_str
, uint64_t val
,
844 enum rdma_nldev_print_type print_type
)
846 if (rd
->json_output
) {
847 jsonw_int_field(rd
->jw
, key_str
, val
);
850 switch (print_type
) {
851 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
852 return pr_out("%s %" PRIu64
" ", key_str
, val
);
853 case RDMA_NLDEV_PRINT_TYPE_HEX
:
854 return pr_out("%s 0x%" PRIx64
" ", key_str
, val
);
860 static int print_driver_entry(struct rd
*rd
, struct nlattr
*key_attr
,
861 struct nlattr
*val_attr
,
862 enum rdma_nldev_print_type print_type
)
864 int attr_type
= nla_type(val_attr
);
868 if (asprintf(&key_str
, "drv_%s", mnl_attr_get_str(key_attr
)) == -1)
872 case RDMA_NLDEV_ATTR_DRIVER_STRING
:
873 ret
= print_driver_string(rd
, key_str
,
874 mnl_attr_get_str(val_attr
));
876 case RDMA_NLDEV_ATTR_DRIVER_S32
:
877 ret
= print_driver_s32(rd
, key_str
, mnl_attr_get_u32(val_attr
),
880 case RDMA_NLDEV_ATTR_DRIVER_U32
:
881 ret
= print_driver_u32(rd
, key_str
, mnl_attr_get_u32(val_attr
),
884 case RDMA_NLDEV_ATTR_DRIVER_S64
:
885 ret
= print_driver_s64(rd
, key_str
, mnl_attr_get_u64(val_attr
),
888 case RDMA_NLDEV_ATTR_DRIVER_U64
:
889 ret
= print_driver_u64(rd
, key_str
, mnl_attr_get_u64(val_attr
),
897 void print_driver_table(struct rd
*rd
, struct nlattr
*tb
)
899 int print_type
= RDMA_NLDEV_PRINT_TYPE_UNSPEC
;
900 struct nlattr
*tb_entry
, *key
= NULL
, *val
;
904 if (!rd
->show_driver_details
|| !tb
)
907 if (rd
->pretty_output
)
911 * Driver attrs are tuples of {key, [print-type], value}.
912 * The key must be a string. If print-type is present, it
913 * defines an alternate printf format type vs the native format
914 * for the attribute. And the value can be any available
917 mnl_attr_for_each_nested(tb_entry
, tb
) {
919 if (cc
> MAX_LINE_LENGTH
) {
920 if (rd
->pretty_output
)
924 if (rd_attr_check(tb_entry
, &type
) != MNL_CB_OK
)
927 if (type
!= MNL_TYPE_NUL_STRING
)
930 } else if (type
== MNL_TYPE_U8
) {
931 print_type
= mnl_attr_get_u8(tb_entry
);
934 ret
= print_driver_entry(rd
, key
, val
, print_type
);
938 print_type
= RDMA_NLDEV_PRINT_TYPE_UNSPEC
;