1
2
3
4
5
6
7#include "rdma.h"
8#include <ctype.h>
9#include <inttypes.h>
10
11int rd_argc(struct rd *rd)
12{
13 return rd->argc;
14}
15
16char *rd_argv(struct rd *rd)
17{
18 if (!rd_argc(rd))
19 return NULL;
20 return *rd->argv;
21}
22
23int strcmpx(const char *str1, const char *str2)
24{
25 if (strlen(str1) > strlen(str2))
26 return -1;
27 return strncmp(str1, str2, strlen(str1));
28}
29
30static bool rd_argv_match(struct rd *rd, const char *pattern)
31{
32 if (!rd_argc(rd))
33 return false;
34 return strcmpx(rd_argv(rd), pattern) == 0;
35}
36
37void rd_arg_inc(struct rd *rd)
38{
39 if (!rd_argc(rd))
40 return;
41 rd->argc--;
42 rd->argv++;
43}
44
45bool rd_no_arg(struct rd *rd)
46{
47 return rd_argc(rd) == 0;
48}
49
50bool rd_is_multiarg(struct rd *rd)
51{
52 if (!rd_argc(rd))
53 return false;
54 return strpbrk(rd_argv(rd), ",-") != NULL;
55}
56
57
58
59
60
61
62
63
64
65
66
67
68static int get_port_from_argv(struct rd *rd, uint32_t *port,
69 bool *is_dump_all, bool strict_port)
70{
71 char *slash;
72
73 *port = 0;
74 *is_dump_all = strict_port ? false : true;
75
76 slash = strchr(rd_argv(rd), '/');
77
78 if (slash++) {
79 if (*slash == '-') {
80 if (strict_port)
81 return -EINVAL;
82 *is_dump_all = false;
83 return 0;
84 }
85
86 if (isdigit(*slash)) {
87 *is_dump_all = false;
88 *port = atoi(slash);
89 }
90 if (!*port && strlen(slash))
91 return -EINVAL;
92 }
93 if (strict_port && (*port == 0))
94 return -EINVAL;
95
96 return 0;
97}
98
99static struct dev_map *dev_map_alloc(const char *dev_name)
100{
101 struct dev_map *dev_map;
102
103 dev_map = calloc(1, sizeof(*dev_map));
104 if (!dev_map)
105 return NULL;
106 dev_map->dev_name = strdup(dev_name);
107 if (!dev_map->dev_name) {
108 free(dev_map);
109 return NULL;
110 }
111
112 return dev_map;
113}
114
115static void dev_map_cleanup(struct rd *rd)
116{
117 struct dev_map *dev_map, *tmp;
118
119 list_for_each_entry_safe(dev_map, tmp,
120 &rd->dev_map_list, list) {
121 list_del(&dev_map->list);
122 free(dev_map->dev_name);
123 free(dev_map);
124 }
125}
126
127static int add_filter(struct rd *rd, char *key, char *value,
128 const struct filters valid_filters[])
129{
130 char cset[] = "1234567890,-";
131 struct filter_entry *fe;
132 bool key_found = false;
133 int idx = 0;
134 char *endp;
135 int ret;
136
137 fe = calloc(1, sizeof(*fe));
138 if (!fe)
139 return -ENOMEM;
140
141 while (idx < MAX_NUMBER_OF_FILTERS && valid_filters[idx].name) {
142 if (!strcmpx(key, valid_filters[idx].name)) {
143 key_found = true;
144 break;
145 }
146 idx++;
147 }
148 if (!key_found) {
149 pr_err("Unsupported filter option: %s\n", key);
150 ret = -EINVAL;
151 goto err;
152 }
153
154
155
156
157
158
159
160
161
162
163 if (valid_filters[idx].is_number &&
164 strspn(value, cset) != strlen(value)) {
165 pr_err("%s filter accepts \"%s\" characters only\n", key, cset);
166 ret = -EINVAL;
167 goto err;
168 }
169
170 fe->key = strdup(key);
171 fe->value = strdup(value);
172 if (!fe->key || !fe->value) {
173 ret = -ENOMEM;
174 goto err_alloc;
175 }
176
177 errno = 0;
178 strtol(fe->value, &endp, 10);
179 if (valid_filters[idx].is_doit && !errno && *endp == '\0')
180 fe->is_doit = true;
181
182 for (idx = 0; idx < strlen(fe->value); idx++)
183 fe->value[idx] = tolower(fe->value[idx]);
184
185 list_add_tail(&fe->list, &rd->filter_list);
186 return 0;
187
188err_alloc:
189 free(fe->value);
190 free(fe->key);
191err:
192 free(fe);
193 return ret;
194}
195
196bool rd_doit_index(struct rd *rd, uint32_t *idx)
197{
198 struct filter_entry *fe;
199
200 list_for_each_entry(fe, &rd->filter_list, list) {
201 if (fe->is_doit) {
202 *idx = atoi(fe->value);
203 return true;
204 }
205 }
206
207 return false;
208}
209
210int rd_build_filter(struct rd *rd, const struct filters valid_filters[])
211{
212 int ret = 0;
213 int idx = 0;
214
215 if (!valid_filters || !rd_argc(rd))
216 goto out;
217
218 if (rd_argc(rd) == 1) {
219 pr_err("No filter data was supplied to filter option %s\n", rd_argv(rd));
220 ret = -EINVAL;
221 goto out;
222 }
223
224 if (rd_argc(rd) % 2) {
225 pr_err("There is filter option without data\n");
226 ret = -EINVAL;
227 goto out;
228 }
229
230 while (idx != rd_argc(rd)) {
231
232
233
234
235 ret = add_filter(rd, *(rd->argv + idx),
236 *(rd->argv + idx + 1), valid_filters);
237 if (ret)
238 goto out;
239 idx += 2;
240 }
241
242out:
243 return ret;
244}
245
246static bool rd_check_is_key_exist(struct rd *rd, const char *key)
247{
248 struct filter_entry *fe;
249
250 list_for_each_entry(fe, &rd->filter_list, list) {
251 if (!strcmpx(fe->key, key))
252 return true;
253 }
254
255 return false;
256}
257
258
259
260
261
262static bool rd_check_is_string_filtered(struct rd *rd, const char *key,
263 const char *val)
264{
265 bool key_is_filtered = false;
266 struct filter_entry *fe;
267 char *p = NULL;
268 char *str;
269
270 list_for_each_entry(fe, &rd->filter_list, list) {
271 if (!strcmpx(fe->key, key)) {
272
273 p = strdup(fe->value);
274 key_is_filtered = true;
275 if (!p) {
276
277
278
279
280 pr_err("Found key, but failed to allocate memory to store value\n");
281 return key_is_filtered;
282 }
283
284
285
286
287
288
289
290
291 str = strtok(p, ",");
292 while (str) {
293 if (strlen(str) == strlen(val) &&
294 !strcasecmp(str, val)) {
295 key_is_filtered = false;
296 goto out;
297 }
298 str = strtok(NULL, ",");
299 }
300 goto out;
301 }
302 }
303
304out:
305 free(p);
306 return key_is_filtered;
307}
308
309
310
311
312
313static bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val)
314{
315 bool key_is_filtered = false;
316 struct filter_entry *fe;
317
318 list_for_each_entry(fe, &rd->filter_list, list) {
319 uint32_t left_val = 0, fe_value = 0;
320 bool range_check = false;
321 char *p = fe->value;
322
323 if (!strcmpx(fe->key, key)) {
324
325 key_is_filtered = true;
326
327
328
329
330
331
332
333
334
335
336 while (*p) {
337 if (isdigit(*p)) {
338 fe_value = strtol(p, &p, 10);
339 if (fe_value == val ||
340 (range_check && left_val < val &&
341 val < fe_value)) {
342 key_is_filtered = false;
343 goto out;
344 }
345 range_check = false;
346 } else {
347 if (*p == '-') {
348 left_val = fe_value;
349 range_check = true;
350 }
351 p++;
352 }
353 }
354 goto out;
355 }
356 }
357
358out:
359 return key_is_filtered;
360}
361
362bool rd_is_filtered_attr(struct rd *rd, const char *key, uint32_t val,
363 struct nlattr *attr)
364{
365 if (!attr)
366 return rd_check_is_key_exist(rd, key);
367
368 return rd_check_is_filtered(rd, key, val);
369}
370
371bool rd_is_string_filtered_attr(struct rd *rd, const char *key, const char *val,
372 struct nlattr *attr)
373{
374 if (!attr)
375 rd_check_is_key_exist(rd, key);
376
377 return rd_check_is_string_filtered(rd, key, val);
378}
379
380static void filters_cleanup(struct rd *rd)
381{
382 struct filter_entry *fe, *tmp;
383
384 list_for_each_entry_safe(fe, tmp,
385 &rd->filter_list, list) {
386 list_del(&fe->list);
387 free(fe->key);
388 free(fe->value);
389 free(fe);
390 }
391}
392
393static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
394 [RDMA_NLDEV_ATTR_DEV_INDEX] = MNL_TYPE_U32,
395 [RDMA_NLDEV_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
396 [RDMA_NLDEV_ATTR_PORT_INDEX] = MNL_TYPE_U32,
397 [RDMA_NLDEV_ATTR_CAP_FLAGS] = MNL_TYPE_U64,
398 [RDMA_NLDEV_ATTR_FW_VERSION] = MNL_TYPE_NUL_STRING,
399 [RDMA_NLDEV_ATTR_NODE_GUID] = MNL_TYPE_U64,
400 [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID] = MNL_TYPE_U64,
401 [RDMA_NLDEV_ATTR_LID] = MNL_TYPE_U32,
402 [RDMA_NLDEV_ATTR_SM_LID] = MNL_TYPE_U32,
403 [RDMA_NLDEV_ATTR_LMC] = MNL_TYPE_U8,
404 [RDMA_NLDEV_ATTR_PORT_STATE] = MNL_TYPE_U8,
405 [RDMA_NLDEV_ATTR_PORT_PHYS_STATE] = MNL_TYPE_U8,
406 [RDMA_NLDEV_ATTR_DEV_NODE_TYPE] = MNL_TYPE_U8,
407 [RDMA_NLDEV_ATTR_RES_SUMMARY] = MNL_TYPE_NESTED,
408 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY] = MNL_TYPE_NESTED,
409 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] = MNL_TYPE_NUL_STRING,
410 [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR] = MNL_TYPE_U64,
411 [RDMA_NLDEV_ATTR_RES_QP] = MNL_TYPE_NESTED,
412 [RDMA_NLDEV_ATTR_RES_QP_ENTRY] = MNL_TYPE_NESTED,
413 [RDMA_NLDEV_ATTR_RES_LQPN] = MNL_TYPE_U32,
414 [RDMA_NLDEV_ATTR_RES_RQPN] = MNL_TYPE_U32,
415 [RDMA_NLDEV_ATTR_RES_RQ_PSN] = MNL_TYPE_U32,
416 [RDMA_NLDEV_ATTR_RES_SQ_PSN] = MNL_TYPE_U32,
417 [RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE] = MNL_TYPE_U8,
418 [RDMA_NLDEV_ATTR_RES_TYPE] = MNL_TYPE_U8,
419 [RDMA_NLDEV_ATTR_RES_STATE] = MNL_TYPE_U8,
420 [RDMA_NLDEV_ATTR_RES_PID] = MNL_TYPE_U32,
421 [RDMA_NLDEV_ATTR_RES_KERN_NAME] = MNL_TYPE_NUL_STRING,
422 [RDMA_NLDEV_ATTR_RES_CM_ID] = MNL_TYPE_NESTED,
423 [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY] = MNL_TYPE_NESTED,
424 [RDMA_NLDEV_ATTR_RES_PS] = MNL_TYPE_U32,
425 [RDMA_NLDEV_ATTR_RES_SRC_ADDR] = MNL_TYPE_UNSPEC,
426 [RDMA_NLDEV_ATTR_RES_DST_ADDR] = MNL_TYPE_UNSPEC,
427 [RDMA_NLDEV_ATTR_RES_CQ] = MNL_TYPE_NESTED,
428 [RDMA_NLDEV_ATTR_RES_CQ_ENTRY] = MNL_TYPE_NESTED,
429 [RDMA_NLDEV_ATTR_RES_CQE] = MNL_TYPE_U32,
430 [RDMA_NLDEV_ATTR_RES_USECNT] = MNL_TYPE_U64,
431 [RDMA_NLDEV_ATTR_RES_POLL_CTX] = MNL_TYPE_U8,
432 [RDMA_NLDEV_ATTR_RES_MR] = MNL_TYPE_NESTED,
433 [RDMA_NLDEV_ATTR_RES_MR_ENTRY] = MNL_TYPE_NESTED,
434 [RDMA_NLDEV_ATTR_RES_RKEY] = MNL_TYPE_U32,
435 [RDMA_NLDEV_ATTR_RES_LKEY] = MNL_TYPE_U32,
436 [RDMA_NLDEV_ATTR_RES_IOVA] = MNL_TYPE_U64,
437 [RDMA_NLDEV_ATTR_RES_MRLEN] = MNL_TYPE_U64,
438 [RDMA_NLDEV_ATTR_NDEV_INDEX] = MNL_TYPE_U32,
439 [RDMA_NLDEV_ATTR_NDEV_NAME] = MNL_TYPE_NUL_STRING,
440 [RDMA_NLDEV_ATTR_DRIVER] = MNL_TYPE_NESTED,
441 [RDMA_NLDEV_ATTR_DRIVER_ENTRY] = MNL_TYPE_NESTED,
442 [RDMA_NLDEV_ATTR_DRIVER_STRING] = MNL_TYPE_NUL_STRING,
443 [RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE] = MNL_TYPE_U8,
444 [RDMA_NLDEV_ATTR_DRIVER_S32] = MNL_TYPE_U32,
445 [RDMA_NLDEV_ATTR_DRIVER_U32] = MNL_TYPE_U32,
446 [RDMA_NLDEV_ATTR_DRIVER_S64] = MNL_TYPE_U64,
447 [RDMA_NLDEV_ATTR_DRIVER_U64] = MNL_TYPE_U64,
448 [RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = MNL_TYPE_U8,
449 [RDMA_NLDEV_ATTR_STAT_COUNTER] = MNL_TYPE_NESTED,
450 [RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY] = MNL_TYPE_NESTED,
451 [RDMA_NLDEV_ATTR_STAT_COUNTER_ID] = MNL_TYPE_U32,
452 [RDMA_NLDEV_ATTR_STAT_HWCOUNTERS] = MNL_TYPE_NESTED,
453 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY] = MNL_TYPE_NESTED,
454 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME] = MNL_TYPE_NUL_STRING,
455 [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE] = MNL_TYPE_U64,
456 [RDMA_NLDEV_ATTR_STAT_MODE] = MNL_TYPE_U32,
457 [RDMA_NLDEV_ATTR_STAT_RES] = MNL_TYPE_U32,
458 [RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK] = MNL_TYPE_U32,
459 [RDMA_NLDEV_ATTR_DEV_DIM] = MNL_TYPE_U8,
460 [RDMA_NLDEV_ATTR_RES_RAW] = MNL_TYPE_BINARY,
461};
462
463int rd_attr_check(const struct nlattr *attr, int *typep)
464{
465 int type;
466
467 if (mnl_attr_type_valid(attr, RDMA_NLDEV_ATTR_MAX) < 0)
468 return MNL_CB_ERROR;
469
470 type = mnl_attr_get_type(attr);
471
472 if (mnl_attr_validate(attr, nldev_policy[type]) < 0)
473 return MNL_CB_ERROR;
474
475 *typep = nldev_policy[type];
476 return MNL_CB_OK;
477}
478
479int rd_attr_cb(const struct nlattr *attr, void *data)
480{
481 const struct nlattr **tb = data;
482 int type;
483
484 if (mnl_attr_type_valid(attr, RDMA_NLDEV_ATTR_MAX - 1) < 0)
485
486 return MNL_CB_OK;
487
488 type = mnl_attr_get_type(attr);
489
490 if (mnl_attr_validate(attr, nldev_policy[type]) < 0)
491 return MNL_CB_ERROR;
492
493 tb[type] = attr;
494 return MNL_CB_OK;
495}
496
497int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data)
498{
499 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
500 struct dev_map *dev_map;
501 struct rd *rd = data;
502 const char *dev_name;
503
504 mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
505 if (!tb[RDMA_NLDEV_ATTR_DEV_NAME] || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
506 return MNL_CB_ERROR;
507 if (!tb[RDMA_NLDEV_ATTR_PORT_INDEX]) {
508 pr_err("This tool doesn't support switches yet\n");
509 return MNL_CB_ERROR;
510 }
511
512 dev_name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
513
514 dev_map = dev_map_alloc(dev_name);
515 if (!dev_map)
516
517 return MNL_CB_ERROR;
518 list_add_tail(&dev_map->list, &rd->dev_map_list);
519
520 dev_map->num_ports = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
521 dev_map->idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
522 return MNL_CB_OK;
523}
524
525void rd_free(struct rd *rd)
526{
527 if (!rd)
528 return;
529 free(rd->buff);
530 dev_map_cleanup(rd);
531 filters_cleanup(rd);
532}
533
534int rd_set_arg_to_devname(struct rd *rd)
535{
536 int ret = 0;
537
538 while (!rd_no_arg(rd)) {
539 if (rd_argv_match(rd, "dev") || rd_argv_match(rd, "link")) {
540 rd_arg_inc(rd);
541 if (rd_no_arg(rd)) {
542 pr_err("No device name was supplied\n");
543 ret = -EINVAL;
544 }
545 goto out;
546 }
547 rd_arg_inc(rd);
548 }
549out:
550 return ret;
551}
552
553int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port)
554{
555 struct dev_map *dev_map;
556 uint32_t port;
557 int ret = 0;
558
559 new_json_obj(rd->json_output);
560 if (rd_no_arg(rd)) {
561 list_for_each_entry(dev_map, &rd->dev_map_list, list) {
562 rd->dev_idx = dev_map->idx;
563 port = (strict_port) ? 1 : 0;
564 for (; port < dev_map->num_ports + 1; port++) {
565 rd->port_idx = port;
566 ret = cb(rd);
567 if (ret)
568 goto out;
569 }
570 }
571
572 } else {
573 bool is_dump_all;
574
575 dev_map = dev_map_lookup(rd, true);
576 ret = get_port_from_argv(rd, &port, &is_dump_all, strict_port);
577 if (!dev_map || port > dev_map->num_ports || (!port && ret)) {
578 pr_err("Wrong device name\n");
579 ret = -ENOENT;
580 goto out;
581 }
582 rd_arg_inc(rd);
583 rd->dev_idx = dev_map->idx;
584 rd->port_idx = port;
585 for (; rd->port_idx < dev_map->num_ports + 1; rd->port_idx++) {
586 ret = cb(rd);
587 if (ret)
588 goto out;
589 if (!is_dump_all)
590
591
592
593
594 break;
595 }
596 }
597
598out:
599 delete_json_obj();
600 return ret;
601}
602
603int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd))
604{
605 struct dev_map *dev_map;
606 int ret = 0;
607
608 new_json_obj(rd->json_output);
609 if (rd_no_arg(rd)) {
610 list_for_each_entry(dev_map, &rd->dev_map_list, list) {
611 rd->dev_idx = dev_map->idx;
612 ret = cb(rd);
613 if (ret)
614 goto out;
615 }
616 } else {
617 dev_map = dev_map_lookup(rd, false);
618 if (!dev_map) {
619 pr_err("Wrong device name - %s\n", rd_argv(rd));
620 ret = -ENOENT;
621 goto out;
622 }
623 rd_arg_inc(rd);
624 rd->dev_idx = dev_map->idx;
625 ret = cb(rd);
626 }
627out:
628 delete_json_obj();
629 return ret;
630}
631
632int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd))
633{
634 if (rd_no_arg(rd)) {
635 pr_err("Please provide device name.\n");
636 return -EINVAL;
637 }
638
639 return rd_exec_dev(rd, cb);
640}
641
642int rd_exec_cmd(struct rd *rd, const struct rd_cmd *cmds, const char *str)
643{
644 const struct rd_cmd *c;
645
646
647 if (rd_no_arg(rd))
648 return cmds->func(rd);
649
650 for (c = cmds + 1; c->cmd; ++c) {
651 if (rd_argv_match(rd, c->cmd)) {
652
653 rd_arg_inc(rd);
654 return c->func(rd);
655 }
656 }
657
658 pr_err("Unknown %s '%s'.\n", str, rd_argv(rd));
659 return 0;
660}
661
662void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags)
663{
664 *seq = time(NULL);
665
666 rd->nlh = mnl_nlmsg_put_header(rd->buff);
667 rd->nlh->nlmsg_type = RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, cmd);
668 rd->nlh->nlmsg_seq = *seq;
669 rd->nlh->nlmsg_flags = flags;
670}
671
672int rd_send_msg(struct rd *rd)
673{
674 int ret;
675
676 rd->nl = mnlu_socket_open(NETLINK_RDMA);
677 if (!rd->nl) {
678 pr_err("Failed to open NETLINK_RDMA socket\n");
679 return -ENODEV;
680 }
681
682 ret = mnl_socket_sendto(rd->nl, rd->nlh, rd->nlh->nlmsg_len);
683 if (ret < 0) {
684 pr_err("Failed to send to socket with err %d\n", ret);
685 goto err;
686 }
687 return 0;
688
689err:
690 mnl_socket_close(rd->nl);
691 return ret;
692}
693
694int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, unsigned int seq)
695{
696 char buf[MNL_SOCKET_BUFFER_SIZE];
697 int ret;
698
699 ret = mnlu_socket_recv_run(rd->nl, seq, buf, MNL_SOCKET_BUFFER_SIZE,
700 callback, data);
701 if (ret < 0 && !rd->suppress_errors)
702 perror("error");
703 return ret;
704}
705
706static int null_cb(const struct nlmsghdr *nlh, void *data)
707{
708 return MNL_CB_OK;
709}
710
711int rd_sendrecv_msg(struct rd *rd, unsigned int seq)
712{
713 int ret;
714
715 ret = rd_send_msg(rd);
716 if (!ret)
717 ret = rd_recv_msg(rd, null_cb, rd, seq);
718 return ret;
719}
720
721static struct dev_map *_dev_map_lookup(struct rd *rd, const char *dev_name)
722{
723 struct dev_map *dev_map;
724
725 list_for_each_entry(dev_map, &rd->dev_map_list, list)
726 if (strcmp(dev_name, dev_map->dev_name) == 0)
727 return dev_map;
728
729 return NULL;
730}
731
732struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index)
733{
734 struct dev_map *dev_map;
735 char *dev_name;
736 char *slash;
737
738 if (rd_no_arg(rd))
739 return NULL;
740
741 dev_name = strdup(rd_argv(rd));
742 if (allow_port_index) {
743 slash = strrchr(dev_name, '/');
744 if (slash)
745 *slash = '\0';
746 }
747
748 dev_map = _dev_map_lookup(rd, dev_name);
749 free(dev_name);
750 return dev_map;
751}
752
753#define nla_type(attr) ((attr)->nla_type & NLA_TYPE_MASK)
754
755void newline(struct rd *rd)
756{
757 close_json_object();
758 print_color_string(PRINT_FP, COLOR_NONE, NULL, "\n", NULL);
759}
760
761void newline_indent(struct rd *rd)
762{
763 newline(rd);
764 print_color_string(PRINT_FP, COLOR_NONE, NULL, " ", NULL);
765}
766
767static int print_driver_string(struct rd *rd, const char *key_str,
768 const char *val_str)
769{
770 print_color_string(PRINT_ANY, COLOR_NONE, key_str, key_str, val_str);
771 print_color_string(PRINT_FP, COLOR_NONE, NULL, " %s ", val_str);
772 return 0;
773}
774
775static int print_driver_s32(struct rd *rd, const char *key_str, int32_t val,
776 enum rdma_nldev_print_type print_type)
777{
778 if (!rd->json_output) {
779 switch (print_type) {
780 case RDMA_NLDEV_PRINT_TYPE_UNSPEC:
781 return pr_out("%s %d ", key_str, val);
782 case RDMA_NLDEV_PRINT_TYPE_HEX:
783 return pr_out("%s 0x%x ", key_str, val);
784 default:
785 return -EINVAL;
786 }
787 }
788 print_color_int(PRINT_JSON, COLOR_NONE, key_str, NULL, val);
789 return 0;
790}
791
792static int print_driver_u32(struct rd *rd, const char *key_str, uint32_t val,
793 enum rdma_nldev_print_type print_type)
794{
795 if (!rd->json_output) {
796 switch (print_type) {
797 case RDMA_NLDEV_PRINT_TYPE_UNSPEC:
798 return pr_out("%s %u ", key_str, val);
799 case RDMA_NLDEV_PRINT_TYPE_HEX:
800 return pr_out("%s 0x%x ", key_str, val);
801 default:
802 return -EINVAL;
803 }
804 }
805 print_color_int(PRINT_JSON, COLOR_NONE, key_str, NULL, val);
806 return 0;
807}
808
809static int print_driver_s64(struct rd *rd, const char *key_str, int64_t val,
810 enum rdma_nldev_print_type print_type)
811{
812 if (!rd->json_output) {
813 switch (print_type) {
814 case RDMA_NLDEV_PRINT_TYPE_UNSPEC:
815 return pr_out("%s %" PRId64 " ", key_str, val);
816 case RDMA_NLDEV_PRINT_TYPE_HEX:
817 return pr_out("%s 0x%" PRIx64 " ", key_str, val);
818 default:
819 return -EINVAL;
820 }
821 }
822 print_color_int(PRINT_JSON, COLOR_NONE, key_str, NULL, val);
823 return 0;
824}
825
826static int print_driver_u64(struct rd *rd, const char *key_str, uint64_t val,
827 enum rdma_nldev_print_type print_type)
828{
829 if (!rd->json_output) {
830 switch (print_type) {
831 case RDMA_NLDEV_PRINT_TYPE_UNSPEC:
832 return pr_out("%s %" PRIu64 " ", key_str, val);
833 case RDMA_NLDEV_PRINT_TYPE_HEX:
834 return pr_out("%s 0x%" PRIx64 " ", key_str, val);
835 default:
836 return -EINVAL;
837 }
838 }
839 print_color_int(PRINT_JSON, COLOR_NONE, key_str, NULL, val);
840 return 0;
841}
842
843static int print_driver_entry(struct rd *rd, struct nlattr *key_attr,
844 struct nlattr *val_attr,
845 enum rdma_nldev_print_type print_type)
846{
847 int attr_type = nla_type(val_attr);
848 int ret = -EINVAL;
849 char *key_str;
850
851 if (asprintf(&key_str, "drv_%s", mnl_attr_get_str(key_attr)) == -1)
852 return -ENOMEM;
853
854 switch (attr_type) {
855 case RDMA_NLDEV_ATTR_DRIVER_STRING:
856 ret = print_driver_string(rd, key_str,
857 mnl_attr_get_str(val_attr));
858 break;
859 case RDMA_NLDEV_ATTR_DRIVER_S32:
860 ret = print_driver_s32(rd, key_str, mnl_attr_get_u32(val_attr),
861 print_type);
862 break;
863 case RDMA_NLDEV_ATTR_DRIVER_U32:
864 ret = print_driver_u32(rd, key_str, mnl_attr_get_u32(val_attr),
865 print_type);
866 break;
867 case RDMA_NLDEV_ATTR_DRIVER_S64:
868 ret = print_driver_s64(rd, key_str, mnl_attr_get_u64(val_attr),
869 print_type);
870 break;
871 case RDMA_NLDEV_ATTR_DRIVER_U64:
872 ret = print_driver_u64(rd, key_str, mnl_attr_get_u64(val_attr),
873 print_type);
874 break;
875 }
876 free(key_str);
877 return ret;
878}
879
880void print_raw_data(struct rd *rd, struct nlattr **nla_line)
881{
882 uint8_t *data;
883 uint32_t len;
884 int i = 0;
885
886 if (!rd->show_raw)
887 return;
888
889 len = mnl_attr_get_payload_len(nla_line[RDMA_NLDEV_ATTR_RES_RAW]);
890 data = mnl_attr_get_payload(nla_line[RDMA_NLDEV_ATTR_RES_RAW]);
891 open_json_array(PRINT_JSON, "data");
892 while (i < len) {
893 print_color_uint(PRINT_ANY, COLOR_NONE, NULL, "%d", data[i]);
894 i++;
895 }
896 close_json_array(PRINT_ANY, ">");
897}
898
899void print_driver_table(struct rd *rd, struct nlattr *tb)
900{
901 int print_type = RDMA_NLDEV_PRINT_TYPE_UNSPEC;
902 struct nlattr *tb_entry, *key = NULL, *val;
903 int type, cc = 0;
904 int ret;
905
906 if (!rd->show_driver_details || !tb)
907 return;
908
909 if (rd->pretty_output)
910 newline_indent(rd);
911
912
913
914
915
916
917
918
919 mnl_attr_for_each_nested(tb_entry, tb) {
920
921 if (cc > MAX_LINE_LENGTH) {
922 if (rd->pretty_output)
923 newline_indent(rd);
924 cc = 0;
925 }
926 if (rd_attr_check(tb_entry, &type) != MNL_CB_OK)
927 return;
928 if (!key) {
929 if (type != MNL_TYPE_NUL_STRING)
930 return;
931 key = tb_entry;
932 } else if (type == MNL_TYPE_U8) {
933 print_type = mnl_attr_get_u8(tb_entry);
934 } else {
935 val = tb_entry;
936 ret = print_driver_entry(rd, key, val, print_type);
937 if (ret < 0)
938 return;
939 cc += ret;
940 print_type = RDMA_NLDEV_PRINT_TYPE_UNSPEC;
941 key = NULL;
942 }
943 }
944 return;
945}
946
