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 mode, /- will return error.
61 static int get_port_from_argv(struct rd
*rd
, uint32_t *port
,
62 bool *is_dump_all
, bool strict_port
)
69 slash
= strchr(rd_argv(rd
), '/');
70 /* if no port found, return 0 */
79 if (isdigit(*slash
)) {
83 if (!*port
&& strlen(slash
))
89 static struct dev_map
*dev_map_alloc(const char *dev_name
)
91 struct dev_map
*dev_map
;
93 dev_map
= calloc(1, sizeof(*dev_map
));
96 dev_map
->dev_name
= strdup(dev_name
);
97 if (!dev_map
->dev_name
) {
105 static void dev_map_cleanup(struct rd
*rd
)
107 struct dev_map
*dev_map
, *tmp
;
109 list_for_each_entry_safe(dev_map
, tmp
,
110 &rd
->dev_map_list
, list
) {
111 list_del(&dev_map
->list
);
112 free(dev_map
->dev_name
);
117 static int add_filter(struct rd
*rd
, char *key
, char *value
,
118 const struct filters valid_filters
[])
120 char cset
[] = "1234567890,-";
121 struct filter_entry
*fe
;
122 bool key_found
= false;
127 fe
= calloc(1, sizeof(*fe
));
131 while (idx
< MAX_NUMBER_OF_FILTERS
&& valid_filters
[idx
].name
) {
132 if (!strcmpx(key
, valid_filters
[idx
].name
)) {
139 pr_err("Unsupported filter option: %s\n", key
);
145 * Check the filter validity, not optimal, but works
147 * Actually, there are three types of filters
148 * numeric - for example PID or QPN
149 * string - for example states
150 * link - user requested to filter on specific link
151 * e.g. mlx5_1/1, mlx5_1/-, mlx5_1 ...
153 if (valid_filters
[idx
].is_number
&&
154 strspn(value
, cset
) != strlen(value
)) {
155 pr_err("%s filter accepts \"%s\" characters only\n", key
, cset
);
160 fe
->key
= strdup(key
);
161 fe
->value
= strdup(value
);
162 if (!fe
->key
|| !fe
->value
) {
168 strtol(fe
->value
, &endp
, 10);
169 if (valid_filters
[idx
].is_doit
&& !errno
&& *endp
== '\0')
172 for (idx
= 0; idx
< strlen(fe
->value
); idx
++)
173 fe
->value
[idx
] = tolower(fe
->value
[idx
]);
175 list_add_tail(&fe
->list
, &rd
->filter_list
);
186 bool rd_doit_index(struct rd
*rd
, uint32_t *idx
)
188 struct filter_entry
*fe
;
190 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
192 *idx
= atoi(fe
->value
);
200 int rd_build_filter(struct rd
*rd
, const struct filters valid_filters
[])
205 if (!valid_filters
|| !rd_argc(rd
))
208 if (rd_argc(rd
) == 1) {
209 pr_err("No filter data was supplied to filter option %s\n", rd_argv(rd
));
214 if (rd_argc(rd
) % 2) {
215 pr_err("There is filter option without data\n");
220 while (idx
!= rd_argc(rd
)) {
222 * We can do micro-optimization and skip "dev"
223 * and "link" filters, but it is not worth of it.
225 ret
= add_filter(rd
, *(rd
->argv
+ idx
),
226 *(rd
->argv
+ idx
+ 1), valid_filters
);
236 static bool rd_check_is_key_exist(struct rd
*rd
, const char *key
)
238 struct filter_entry
*fe
;
240 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
241 if (!strcmpx(fe
->key
, key
))
249 * Check if string entry is filtered:
250 * * key doesn't exist -> user didn't request -> not filtered
252 static bool rd_check_is_string_filtered(struct rd
*rd
, const char *key
,
255 bool key_is_filtered
= false;
256 struct filter_entry
*fe
;
260 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
261 if (!strcmpx(fe
->key
, key
)) {
262 /* We found the key */
263 p
= strdup(fe
->value
);
264 key_is_filtered
= true;
267 * Something extremely wrong if we fail
268 * to allocate small amount of bytes.
270 pr_err("Found key, but failed to allocate memory to store value\n");
271 return key_is_filtered
;
275 * Need to check if value in range
276 * It can come in the following formats
277 * and their permutations:
281 str
= strtok(p
, ",");
283 if (strlen(str
) == strlen(val
) &&
284 !strcasecmp(str
, val
)) {
285 key_is_filtered
= false;
288 str
= strtok(NULL
, ",");
296 return key_is_filtered
;
300 * Check if key is filtered:
301 * key doesn't exist -> user didn't request -> not filtered
303 static bool rd_check_is_filtered(struct rd
*rd
, const char *key
, uint32_t val
)
305 bool key_is_filtered
= false;
306 struct filter_entry
*fe
;
308 list_for_each_entry(fe
, &rd
->filter_list
, list
) {
309 uint32_t left_val
= 0, fe_value
= 0;
310 bool range_check
= false;
313 if (!strcmpx(fe
->key
, key
)) {
314 /* We found the key */
315 key_is_filtered
= true;
317 * Need to check if value in range
318 * It can come in the following formats
319 * (and their permutations):
324 * numb1,numb2-numb3,numb4-numb5
328 fe_value
= strtol(p
, &p
, 10);
329 if (fe_value
== val
||
330 (range_check
&& left_val
< val
&&
332 key_is_filtered
= false;
349 return key_is_filtered
;
352 bool rd_is_filtered_attr(struct rd
*rd
, const char *key
, uint32_t val
,
356 return rd_check_is_key_exist(rd
, key
);
358 return rd_check_is_filtered(rd
, key
, val
);
361 bool rd_is_string_filtered_attr(struct rd
*rd
, const char *key
, const char *val
,
365 rd_check_is_key_exist(rd
, key
);
367 return rd_check_is_string_filtered(rd
, key
, val
);
370 static void filters_cleanup(struct rd
*rd
)
372 struct filter_entry
*fe
, *tmp
;
374 list_for_each_entry_safe(fe
, tmp
,
375 &rd
->filter_list
, list
) {
383 static const enum mnl_attr_data_type nldev_policy
[RDMA_NLDEV_ATTR_MAX
] = {
384 [RDMA_NLDEV_ATTR_DEV_INDEX
] = MNL_TYPE_U32
,
385 [RDMA_NLDEV_ATTR_DEV_NAME
] = MNL_TYPE_NUL_STRING
,
386 [RDMA_NLDEV_ATTR_PORT_INDEX
] = MNL_TYPE_U32
,
387 [RDMA_NLDEV_ATTR_CAP_FLAGS
] = MNL_TYPE_U64
,
388 [RDMA_NLDEV_ATTR_FW_VERSION
] = MNL_TYPE_NUL_STRING
,
389 [RDMA_NLDEV_ATTR_NODE_GUID
] = MNL_TYPE_U64
,
390 [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID
] = MNL_TYPE_U64
,
391 [RDMA_NLDEV_ATTR_LID
] = MNL_TYPE_U32
,
392 [RDMA_NLDEV_ATTR_SM_LID
] = MNL_TYPE_U32
,
393 [RDMA_NLDEV_ATTR_LMC
] = MNL_TYPE_U8
,
394 [RDMA_NLDEV_ATTR_PORT_STATE
] = MNL_TYPE_U8
,
395 [RDMA_NLDEV_ATTR_PORT_PHYS_STATE
] = MNL_TYPE_U8
,
396 [RDMA_NLDEV_ATTR_DEV_NODE_TYPE
] = MNL_TYPE_U8
,
397 [RDMA_NLDEV_ATTR_RES_SUMMARY
] = MNL_TYPE_NESTED
,
398 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY
] = MNL_TYPE_NESTED
,
399 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME
] = MNL_TYPE_NUL_STRING
,
400 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
] = MNL_TYPE_U64
,
401 [RDMA_NLDEV_ATTR_RES_QP
] = MNL_TYPE_NESTED
,
402 [RDMA_NLDEV_ATTR_RES_QP_ENTRY
] = MNL_TYPE_NESTED
,
403 [RDMA_NLDEV_ATTR_RES_LQPN
] = MNL_TYPE_U32
,
404 [RDMA_NLDEV_ATTR_RES_RQPN
] = MNL_TYPE_U32
,
405 [RDMA_NLDEV_ATTR_RES_RQ_PSN
] = MNL_TYPE_U32
,
406 [RDMA_NLDEV_ATTR_RES_SQ_PSN
] = MNL_TYPE_U32
,
407 [RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE
] = MNL_TYPE_U8
,
408 [RDMA_NLDEV_ATTR_RES_TYPE
] = MNL_TYPE_U8
,
409 [RDMA_NLDEV_ATTR_RES_STATE
] = MNL_TYPE_U8
,
410 [RDMA_NLDEV_ATTR_RES_PID
] = MNL_TYPE_U32
,
411 [RDMA_NLDEV_ATTR_RES_KERN_NAME
] = MNL_TYPE_NUL_STRING
,
412 [RDMA_NLDEV_ATTR_RES_CM_ID
] = MNL_TYPE_NESTED
,
413 [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY
] = MNL_TYPE_NESTED
,
414 [RDMA_NLDEV_ATTR_RES_PS
] = MNL_TYPE_U32
,
415 [RDMA_NLDEV_ATTR_RES_SRC_ADDR
] = MNL_TYPE_UNSPEC
,
416 [RDMA_NLDEV_ATTR_RES_DST_ADDR
] = MNL_TYPE_UNSPEC
,
417 [RDMA_NLDEV_ATTR_RES_CQ
] = MNL_TYPE_NESTED
,
418 [RDMA_NLDEV_ATTR_RES_CQ_ENTRY
] = MNL_TYPE_NESTED
,
419 [RDMA_NLDEV_ATTR_RES_CQE
] = MNL_TYPE_U32
,
420 [RDMA_NLDEV_ATTR_RES_USECNT
] = MNL_TYPE_U64
,
421 [RDMA_NLDEV_ATTR_RES_POLL_CTX
] = MNL_TYPE_U8
,
422 [RDMA_NLDEV_ATTR_RES_MR
] = MNL_TYPE_NESTED
,
423 [RDMA_NLDEV_ATTR_RES_MR_ENTRY
] = MNL_TYPE_NESTED
,
424 [RDMA_NLDEV_ATTR_RES_RKEY
] = MNL_TYPE_U32
,
425 [RDMA_NLDEV_ATTR_RES_LKEY
] = MNL_TYPE_U32
,
426 [RDMA_NLDEV_ATTR_RES_IOVA
] = MNL_TYPE_U64
,
427 [RDMA_NLDEV_ATTR_RES_MRLEN
] = MNL_TYPE_U64
,
428 [RDMA_NLDEV_ATTR_NDEV_INDEX
] = MNL_TYPE_U32
,
429 [RDMA_NLDEV_ATTR_NDEV_NAME
] = MNL_TYPE_NUL_STRING
,
430 [RDMA_NLDEV_ATTR_DRIVER
] = MNL_TYPE_NESTED
,
431 [RDMA_NLDEV_ATTR_DRIVER_ENTRY
] = MNL_TYPE_NESTED
,
432 [RDMA_NLDEV_ATTR_DRIVER_STRING
] = MNL_TYPE_NUL_STRING
,
433 [RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE
] = MNL_TYPE_U8
,
434 [RDMA_NLDEV_ATTR_DRIVER_S32
] = MNL_TYPE_U32
,
435 [RDMA_NLDEV_ATTR_DRIVER_U32
] = MNL_TYPE_U32
,
436 [RDMA_NLDEV_ATTR_DRIVER_S64
] = MNL_TYPE_U64
,
437 [RDMA_NLDEV_ATTR_DRIVER_U64
] = MNL_TYPE_U64
,
438 [RDMA_NLDEV_SYS_ATTR_NETNS_MODE
] = MNL_TYPE_U8
,
439 [RDMA_NLDEV_ATTR_STAT_COUNTER
] = MNL_TYPE_NESTED
,
440 [RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY
] = MNL_TYPE_NESTED
,
441 [RDMA_NLDEV_ATTR_STAT_COUNTER_ID
] = MNL_TYPE_U32
,
442 [RDMA_NLDEV_ATTR_STAT_HWCOUNTERS
] = MNL_TYPE_NESTED
,
443 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY
] = MNL_TYPE_NESTED
,
444 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME
] = MNL_TYPE_NUL_STRING
,
445 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE
] = MNL_TYPE_U64
,
446 [RDMA_NLDEV_ATTR_STAT_MODE
] = MNL_TYPE_U32
,
447 [RDMA_NLDEV_ATTR_STAT_RES
] = MNL_TYPE_U32
,
450 int rd_attr_check(const struct nlattr
*attr
, int *typep
)
454 if (mnl_attr_type_valid(attr
, RDMA_NLDEV_ATTR_MAX
) < 0)
457 type
= mnl_attr_get_type(attr
);
459 if (mnl_attr_validate(attr
, nldev_policy
[type
]) < 0)
462 *typep
= nldev_policy
[type
];
466 int rd_attr_cb(const struct nlattr
*attr
, void *data
)
468 const struct nlattr
**tb
= data
;
471 if (mnl_attr_type_valid(attr
, RDMA_NLDEV_ATTR_MAX
- 1) < 0)
472 /* We received unknown attribute */
475 type
= mnl_attr_get_type(attr
);
477 if (mnl_attr_validate(attr
, nldev_policy
[type
]) < 0)
484 int rd_dev_init_cb(const struct nlmsghdr
*nlh
, void *data
)
486 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
487 struct dev_map
*dev_map
;
488 struct rd
*rd
= data
;
489 const char *dev_name
;
491 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
492 if (!tb
[RDMA_NLDEV_ATTR_DEV_NAME
] || !tb
[RDMA_NLDEV_ATTR_DEV_INDEX
])
494 if (!tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]) {
495 pr_err("This tool doesn't support switches yet\n");
499 dev_name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]);
501 dev_map
= dev_map_alloc(dev_name
);
503 /* The main function will cleanup the allocations */
505 list_add_tail(&dev_map
->list
, &rd
->dev_map_list
);
507 dev_map
->num_ports
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]);
508 dev_map
->idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
512 void rd_free(struct rd
*rd
)
521 int rd_set_arg_to_devname(struct rd
*rd
)
525 while (!rd_no_arg(rd
)) {
526 if (rd_argv_match(rd
, "dev") || rd_argv_match(rd
, "link")) {
529 pr_err("No device name was supplied\n");
540 int rd_exec_link(struct rd
*rd
, int (*cb
)(struct rd
*rd
), bool strict_port
)
542 struct dev_map
*dev_map
;
547 jsonw_start_array(rd
->jw
);
549 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
) {
550 rd
->dev_idx
= dev_map
->idx
;
551 port
= (strict_port
) ? 1 : 0;
552 for (; port
< dev_map
->num_ports
+ 1; port
++) {
563 dev_map
= dev_map_lookup(rd
, true);
564 ret
= get_port_from_argv(rd
, &port
, &is_dump_all
, strict_port
);
565 if (!dev_map
|| port
> dev_map
->num_ports
|| (!port
&& ret
)) {
566 pr_err("Wrong device name\n");
571 rd
->dev_idx
= dev_map
->idx
;
573 for (; rd
->port_idx
< dev_map
->num_ports
+ 1; rd
->port_idx
++) {
579 * We got request to show link for devname
588 jsonw_end_array(rd
->jw
);
592 int rd_exec_dev(struct rd
*rd
, int (*cb
)(struct rd
*rd
))
594 struct dev_map
*dev_map
;
598 jsonw_start_array(rd
->jw
);
600 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
) {
601 rd
->dev_idx
= dev_map
->idx
;
607 dev_map
= dev_map_lookup(rd
, false);
609 pr_err("Wrong device name - %s\n", rd_argv(rd
));
614 rd
->dev_idx
= dev_map
->idx
;
619 jsonw_end_array(rd
->jw
);
623 int rd_exec_require_dev(struct rd
*rd
, int (*cb
)(struct rd
*rd
))
626 pr_err("Please provide device name.\n");
630 return rd_exec_dev(rd
, cb
);
633 int rd_exec_cmd(struct rd
*rd
, const struct rd_cmd
*cmds
, const char *str
)
635 const struct rd_cmd
*c
;
637 /* First argument in objs table is default variant */
639 return cmds
->func(rd
);
641 for (c
= cmds
+ 1; c
->cmd
; ++c
) {
642 if (rd_argv_match(rd
, c
->cmd
)) {
643 /* Move to next argument */
649 pr_err("Unknown %s '%s'.\n", str
, rd_argv(rd
));
653 void rd_prepare_msg(struct rd
*rd
, uint32_t cmd
, uint32_t *seq
, uint16_t flags
)
657 rd
->nlh
= mnl_nlmsg_put_header(rd
->buff
);
658 rd
->nlh
->nlmsg_type
= RDMA_NL_GET_TYPE(RDMA_NL_NLDEV
, cmd
);
659 rd
->nlh
->nlmsg_seq
= *seq
;
660 rd
->nlh
->nlmsg_flags
= flags
;
663 int rd_send_msg(struct rd
*rd
)
667 rd
->nl
= mnl_socket_open(NETLINK_RDMA
);
669 pr_err("Failed to open NETLINK_RDMA socket\n");
673 ret
= mnl_socket_bind(rd
->nl
, 0, MNL_SOCKET_AUTOPID
);
675 pr_err("Failed to bind socket with err %d\n", ret
);
679 ret
= mnl_socket_sendto(rd
->nl
, rd
->nlh
, rd
->nlh
->nlmsg_len
);
681 pr_err("Failed to send to socket with err %d\n", ret
);
687 mnl_socket_close(rd
->nl
);
691 int rd_recv_msg(struct rd
*rd
, mnl_cb_t callback
, void *data
, unsigned int seq
)
695 char buf
[MNL_SOCKET_BUFFER_SIZE
];
697 portid
= mnl_socket_get_portid(rd
->nl
);
699 ret
= mnl_socket_recvfrom(rd
->nl
, buf
, sizeof(buf
));
703 ret
= mnl_cb_run(buf
, ret
, seq
, portid
, callback
, data
);
706 if (ret
< 0 && !rd
->suppress_errors
)
709 mnl_socket_close(rd
->nl
);
713 static int null_cb(const struct nlmsghdr
*nlh
, void *data
)
718 int rd_sendrecv_msg(struct rd
*rd
, unsigned int seq
)
722 ret
= rd_send_msg(rd
);
724 ret
= rd_recv_msg(rd
, null_cb
, rd
, seq
);
728 static struct dev_map
*_dev_map_lookup(struct rd
*rd
, const char *dev_name
)
730 struct dev_map
*dev_map
;
732 list_for_each_entry(dev_map
, &rd
->dev_map_list
, list
)
733 if (strcmp(dev_name
, dev_map
->dev_name
) == 0)
739 struct dev_map
*dev_map_lookup(struct rd
*rd
, bool allow_port_index
)
741 struct dev_map
*dev_map
;
748 dev_name
= strdup(rd_argv(rd
));
749 if (allow_port_index
) {
750 slash
= strrchr(dev_name
, '/');
755 dev_map
= _dev_map_lookup(rd
, dev_name
);
760 #define nla_type(attr) ((attr)->nla_type & NLA_TYPE_MASK)
762 void newline(struct rd
*rd
)
765 jsonw_end_array(rd
->jw
);
770 void newline_indent(struct rd
*rd
)
773 if (!rd
->json_output
)
777 static int print_driver_string(struct rd
*rd
, const char *key_str
,
780 if (rd
->json_output
) {
781 jsonw_string_field(rd
->jw
, key_str
, val_str
);
784 return pr_out("%s %s ", key_str
, val_str
);
788 static int print_driver_s32(struct rd
*rd
, const char *key_str
, int32_t val
,
789 enum rdma_nldev_print_type print_type
)
791 if (rd
->json_output
) {
792 jsonw_int_field(rd
->jw
, key_str
, val
);
795 switch (print_type
) {
796 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
797 return pr_out("%s %d ", key_str
, val
);
798 case RDMA_NLDEV_PRINT_TYPE_HEX
:
799 return pr_out("%s 0x%x ", key_str
, val
);
805 static int print_driver_u32(struct rd
*rd
, const char *key_str
, uint32_t val
,
806 enum rdma_nldev_print_type print_type
)
808 if (rd
->json_output
) {
809 jsonw_int_field(rd
->jw
, key_str
, val
);
812 switch (print_type
) {
813 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
814 return pr_out("%s %u ", key_str
, val
);
815 case RDMA_NLDEV_PRINT_TYPE_HEX
:
816 return pr_out("%s 0x%x ", key_str
, val
);
822 static int print_driver_s64(struct rd
*rd
, const char *key_str
, int64_t val
,
823 enum rdma_nldev_print_type print_type
)
825 if (rd
->json_output
) {
826 jsonw_int_field(rd
->jw
, key_str
, val
);
829 switch (print_type
) {
830 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
831 return pr_out("%s %" PRId64
" ", key_str
, val
);
832 case RDMA_NLDEV_PRINT_TYPE_HEX
:
833 return pr_out("%s 0x%" PRIx64
" ", key_str
, val
);
839 static int print_driver_u64(struct rd
*rd
, const char *key_str
, uint64_t val
,
840 enum rdma_nldev_print_type print_type
)
842 if (rd
->json_output
) {
843 jsonw_int_field(rd
->jw
, key_str
, val
);
846 switch (print_type
) {
847 case RDMA_NLDEV_PRINT_TYPE_UNSPEC
:
848 return pr_out("%s %" PRIu64
" ", key_str
, val
);
849 case RDMA_NLDEV_PRINT_TYPE_HEX
:
850 return pr_out("%s 0x%" PRIx64
" ", key_str
, val
);
856 static int print_driver_entry(struct rd
*rd
, struct nlattr
*key_attr
,
857 struct nlattr
*val_attr
,
858 enum rdma_nldev_print_type print_type
)
860 int attr_type
= nla_type(val_attr
);
864 if (asprintf(&key_str
, "drv_%s", mnl_attr_get_str(key_attr
)) == -1)
868 case RDMA_NLDEV_ATTR_DRIVER_STRING
:
869 ret
= print_driver_string(rd
, key_str
,
870 mnl_attr_get_str(val_attr
));
872 case RDMA_NLDEV_ATTR_DRIVER_S32
:
873 ret
= print_driver_s32(rd
, key_str
, mnl_attr_get_u32(val_attr
),
876 case RDMA_NLDEV_ATTR_DRIVER_U32
:
877 ret
= print_driver_u32(rd
, key_str
, mnl_attr_get_u32(val_attr
),
880 case RDMA_NLDEV_ATTR_DRIVER_S64
:
881 ret
= print_driver_s64(rd
, key_str
, mnl_attr_get_u64(val_attr
),
884 case RDMA_NLDEV_ATTR_DRIVER_U64
:
885 ret
= print_driver_u64(rd
, key_str
, mnl_attr_get_u64(val_attr
),
893 void print_driver_table(struct rd
*rd
, struct nlattr
*tb
)
895 int print_type
= RDMA_NLDEV_PRINT_TYPE_UNSPEC
;
896 struct nlattr
*tb_entry
, *key
= NULL
, *val
;
900 if (!rd
->show_driver_details
|| !tb
)
903 if (rd
->pretty_output
)
907 * Driver attrs are tuples of {key, [print-type], value}.
908 * The key must be a string. If print-type is present, it
909 * defines an alternate printf format type vs the native format
910 * for the attribute. And the value can be any available
913 mnl_attr_for_each_nested(tb_entry
, tb
) {
915 if (cc
> MAX_LINE_LENGTH
) {
916 if (rd
->pretty_output
)
920 if (rd_attr_check(tb_entry
, &type
) != MNL_CB_OK
)
923 if (type
!= MNL_TYPE_NUL_STRING
)
926 } else if (type
== MNL_TYPE_U8
) {
927 print_type
= mnl_attr_get_u8(tb_entry
);
930 ret
= print_driver_entry(rd
, key
, val
, print_type
);
934 print_type
= RDMA_NLDEV_PRINT_TYPE_UNSPEC
;