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devlink: Add option to set and show eswitch inline mode
[mirror_iproute2.git] / devlink / devlink.c
1 /*
2 * devlink.c Devlink tool
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Authors: Jiri Pirko <jiri@mellanox.com>
10 */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include <stdbool.h>
16 #include <unistd.h>
17 #include <getopt.h>
18 #include <limits.h>
19 #include <errno.h>
20 #include <linux/genetlink.h>
21 #include <linux/devlink.h>
22 #include <libmnl/libmnl.h>
23
24 #include "SNAPSHOT.h"
25 #include "list.h"
26 #include "mnlg.h"
27 #include "json_writer.h"
28
29 #define ESWITCH_MODE_LEGACY "legacy"
30 #define ESWITCH_MODE_SWITCHDEV "switchdev"
31 #define ESWITCH_INLINE_MODE_NONE "none"
32 #define ESWITCH_INLINE_MODE_LINK "link"
33 #define ESWITCH_INLINE_MODE_NETWORK "network"
34 #define ESWITCH_INLINE_MODE_TRANSPORT "transport"
35
36 #define pr_err(args...) fprintf(stderr, ##args)
37 #define pr_out(args...) fprintf(stdout, ##args)
38 #define pr_out_sp(num, args...) \
39 do { \
40 int ret = fprintf(stdout, ##args); \
41 if (ret < num) \
42 fprintf(stdout, "%*s", num - ret, ""); \
43 } while (0)
44
45 static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
46 mnl_cb_t data_cb, void *data)
47 {
48 int err;
49
50 err = mnlg_socket_recv_run(nlg, data_cb, data);
51 if (err < 0) {
52 pr_err("devlink answers: %s\n", strerror(errno));
53 return -errno;
54 }
55 return 0;
56 }
57
58 static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
59 const struct nlmsghdr *nlh,
60 mnl_cb_t data_cb, void *data)
61 {
62 int err;
63
64 err = mnlg_socket_send(nlg, nlh);
65 if (err < 0) {
66 pr_err("Failed to call mnlg_socket_send\n");
67 return -errno;
68 }
69 return _mnlg_socket_recv_run(nlg, data_cb, data);
70 }
71
72 static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
73 const char *group_name)
74 {
75 int err;
76
77 err = mnlg_socket_group_add(nlg, group_name);
78 if (err < 0) {
79 pr_err("Failed to call mnlg_socket_group_add\n");
80 return -errno;
81 }
82 return 0;
83 }
84
85 struct ifname_map {
86 struct list_head list;
87 char *bus_name;
88 char *dev_name;
89 uint32_t port_index;
90 char *ifname;
91 };
92
93 static struct ifname_map *ifname_map_alloc(const char *bus_name,
94 const char *dev_name,
95 uint32_t port_index,
96 const char *ifname)
97 {
98 struct ifname_map *ifname_map;
99
100 ifname_map = calloc(1, sizeof(*ifname_map));
101 if (!ifname_map)
102 return NULL;
103 ifname_map->bus_name = strdup(bus_name);
104 ifname_map->dev_name = strdup(dev_name);
105 ifname_map->port_index = port_index;
106 ifname_map->ifname = strdup(ifname);
107 if (!ifname_map->bus_name || !ifname_map->dev_name ||
108 !ifname_map->ifname) {
109 free(ifname_map->ifname);
110 free(ifname_map->dev_name);
111 free(ifname_map->bus_name);
112 free(ifname_map);
113 return NULL;
114 }
115 return ifname_map;
116 }
117
118 static void ifname_map_free(struct ifname_map *ifname_map)
119 {
120 free(ifname_map->ifname);
121 free(ifname_map->dev_name);
122 free(ifname_map->bus_name);
123 free(ifname_map);
124 }
125
126 #define BIT(nr) (1UL << (nr))
127 #define DL_OPT_HANDLE BIT(0)
128 #define DL_OPT_HANDLEP BIT(1)
129 #define DL_OPT_PORT_TYPE BIT(2)
130 #define DL_OPT_PORT_COUNT BIT(3)
131 #define DL_OPT_SB BIT(4)
132 #define DL_OPT_SB_POOL BIT(5)
133 #define DL_OPT_SB_SIZE BIT(6)
134 #define DL_OPT_SB_TYPE BIT(7)
135 #define DL_OPT_SB_THTYPE BIT(8)
136 #define DL_OPT_SB_TH BIT(9)
137 #define DL_OPT_SB_TC BIT(10)
138 #define DL_OPT_ESWITCH_MODE BIT(11)
139 #define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
140
141 struct dl_opts {
142 uint32_t present; /* flags of present items */
143 char *bus_name;
144 char *dev_name;
145 uint32_t port_index;
146 enum devlink_port_type port_type;
147 uint32_t port_count;
148 uint32_t sb_index;
149 uint16_t sb_pool_index;
150 uint32_t sb_pool_size;
151 enum devlink_sb_pool_type sb_pool_type;
152 enum devlink_sb_threshold_type sb_pool_thtype;
153 uint32_t sb_threshold;
154 uint16_t sb_tc_index;
155 enum devlink_eswitch_mode eswitch_mode;
156 enum devlink_eswitch_inline_mode eswitch_inline_mode;
157 };
158
159 struct dl {
160 struct mnlg_socket *nlg;
161 struct list_head ifname_map_list;
162 int argc;
163 char **argv;
164 bool no_nice_names;
165 struct dl_opts opts;
166 json_writer_t *jw;
167 bool json_output;
168 bool pretty_output;
169 struct {
170 bool present;
171 char *bus_name;
172 char *dev_name;
173 uint32_t port_index;
174 } arr_last;
175 };
176
177 static int dl_argc(struct dl *dl)
178 {
179 return dl->argc;
180 }
181
182 static char *dl_argv(struct dl *dl)
183 {
184 if (dl_argc(dl) == 0)
185 return NULL;
186 return *dl->argv;
187 }
188
189 static void dl_arg_inc(struct dl *dl)
190 {
191 if (dl_argc(dl) == 0)
192 return;
193 dl->argc--;
194 dl->argv++;
195 }
196
197 static char *dl_argv_next(struct dl *dl)
198 {
199 char *ret;
200
201 if (dl_argc(dl) == 0)
202 return NULL;
203
204 ret = *dl->argv;
205 dl_arg_inc(dl);
206 return ret;
207 }
208
209 static char *dl_argv_index(struct dl *dl, unsigned int index)
210 {
211 if (index >= dl_argc(dl))
212 return NULL;
213 return dl->argv[index];
214 }
215
216 static int strcmpx(const char *str1, const char *str2)
217 {
218 if (strlen(str1) > strlen(str2))
219 return -1;
220 return strncmp(str1, str2, strlen(str1));
221 }
222
223 static bool dl_argv_match(struct dl *dl, const char *pattern)
224 {
225 if (dl_argc(dl) == 0)
226 return false;
227 return strcmpx(dl_argv(dl), pattern) == 0;
228 }
229
230 static bool dl_no_arg(struct dl *dl)
231 {
232 return dl_argc(dl) == 0;
233 }
234
235 static int attr_cb(const struct nlattr *attr, void *data)
236 {
237 const struct nlattr **tb = data;
238 int type;
239
240 type = mnl_attr_get_type(attr);
241
242 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
243 return MNL_CB_ERROR;
244
245 if (type == DEVLINK_ATTR_BUS_NAME &&
246 mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
247 return MNL_CB_ERROR;
248 if (type == DEVLINK_ATTR_DEV_NAME &&
249 mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
250 return MNL_CB_ERROR;
251 if (type == DEVLINK_ATTR_PORT_INDEX &&
252 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
253 return MNL_CB_ERROR;
254 if (type == DEVLINK_ATTR_PORT_TYPE &&
255 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
256 return MNL_CB_ERROR;
257 if (type == DEVLINK_ATTR_PORT_DESIRED_TYPE &&
258 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
259 return MNL_CB_ERROR;
260 if (type == DEVLINK_ATTR_PORT_NETDEV_IFINDEX &&
261 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
262 return MNL_CB_ERROR;
263 if (type == DEVLINK_ATTR_PORT_NETDEV_NAME &&
264 mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
265 return MNL_CB_ERROR;
266 if (type == DEVLINK_ATTR_PORT_IBDEV_NAME &&
267 mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
268 return MNL_CB_ERROR;
269 if (type == DEVLINK_ATTR_SB_INDEX &&
270 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
271 return MNL_CB_ERROR;
272 if (type == DEVLINK_ATTR_SB_SIZE &&
273 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
274 return MNL_CB_ERROR;
275 if (type == DEVLINK_ATTR_SB_INGRESS_POOL_COUNT &&
276 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
277 return MNL_CB_ERROR;
278 if (type == DEVLINK_ATTR_SB_EGRESS_POOL_COUNT &&
279 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
280 return MNL_CB_ERROR;
281 if (type == DEVLINK_ATTR_SB_INGRESS_TC_COUNT &&
282 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
283 return MNL_CB_ERROR;
284 if (type == DEVLINK_ATTR_SB_EGRESS_TC_COUNT &&
285 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
286 return MNL_CB_ERROR;
287 if (type == DEVLINK_ATTR_SB_POOL_INDEX &&
288 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
289 return MNL_CB_ERROR;
290 if (type == DEVLINK_ATTR_SB_POOL_TYPE &&
291 mnl_attr_validate(attr, MNL_TYPE_U8) < 0)
292 return MNL_CB_ERROR;
293 if (type == DEVLINK_ATTR_SB_POOL_SIZE &&
294 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
295 return MNL_CB_ERROR;
296 if (type == DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE &&
297 mnl_attr_validate(attr, MNL_TYPE_U8) < 0)
298 return MNL_CB_ERROR;
299 if (type == DEVLINK_ATTR_SB_THRESHOLD &&
300 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
301 return MNL_CB_ERROR;
302 if (type == DEVLINK_ATTR_SB_TC_INDEX &&
303 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
304 return MNL_CB_ERROR;
305 if (type == DEVLINK_ATTR_SB_OCC_CUR &&
306 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
307 return MNL_CB_ERROR;
308 if (type == DEVLINK_ATTR_SB_OCC_MAX &&
309 mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
310 return MNL_CB_ERROR;
311 if (type == DEVLINK_ATTR_ESWITCH_MODE &&
312 mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
313 return MNL_CB_ERROR;
314 if (type == DEVLINK_ATTR_ESWITCH_INLINE_MODE &&
315 mnl_attr_validate(attr, MNL_TYPE_U8) < 0)
316 return MNL_CB_ERROR;
317 tb[type] = attr;
318 return MNL_CB_OK;
319 }
320
321 static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
322 {
323 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
324 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
325 struct dl *dl = data;
326 struct ifname_map *ifname_map;
327 const char *bus_name;
328 const char *dev_name;
329 uint32_t port_ifindex;
330 const char *port_ifname;
331
332 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
333 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
334 !tb[DEVLINK_ATTR_PORT_INDEX])
335 return MNL_CB_ERROR;
336
337 if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
338 return MNL_CB_OK;
339
340 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
341 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
342 port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
343 port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
344 ifname_map = ifname_map_alloc(bus_name, dev_name,
345 port_ifindex, port_ifname);
346 if (!ifname_map)
347 return MNL_CB_ERROR;
348 list_add(&ifname_map->list, &dl->ifname_map_list);
349
350 return MNL_CB_OK;
351 }
352
353 static void ifname_map_fini(struct dl *dl)
354 {
355 struct ifname_map *ifname_map, *tmp;
356
357 list_for_each_entry_safe(ifname_map, tmp,
358 &dl->ifname_map_list, list) {
359 list_del(&ifname_map->list);
360 ifname_map_free(ifname_map);
361 }
362 }
363
364 static int ifname_map_init(struct dl *dl)
365 {
366 struct nlmsghdr *nlh;
367 int err;
368
369 INIT_LIST_HEAD(&dl->ifname_map_list);
370
371 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
372 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
373
374 err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
375 if (err) {
376 ifname_map_fini(dl);
377 return err;
378 }
379 return 0;
380 }
381
382 static int ifname_map_lookup(struct dl *dl, const char *ifname,
383 char **p_bus_name, char **p_dev_name,
384 uint32_t *p_port_index)
385 {
386 struct ifname_map *ifname_map;
387
388 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
389 if (strcmp(ifname, ifname_map->ifname) == 0) {
390 *p_bus_name = ifname_map->bus_name;
391 *p_dev_name = ifname_map->dev_name;
392 *p_port_index = ifname_map->port_index;
393 return 0;
394 }
395 }
396 return -ENOENT;
397 }
398
399 static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
400 const char *dev_name, uint32_t port_index,
401 char **p_ifname)
402 {
403 struct ifname_map *ifname_map;
404
405 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
406 if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
407 strcmp(dev_name, ifname_map->dev_name) == 0 &&
408 port_index == ifname_map->port_index) {
409 *p_ifname = ifname_map->ifname;
410 return 0;
411 }
412 }
413 return -ENOENT;
414 }
415
416 static unsigned int strslashcount(char *str)
417 {
418 unsigned int count = 0;
419 char *pos = str;
420
421 while ((pos = strchr(pos, '/'))) {
422 count++;
423 pos++;
424 }
425 return count;
426 }
427
428 static int strslashrsplit(char *str, char **before, char **after)
429 {
430 char *slash;
431
432 slash = strrchr(str, '/');
433 if (!slash)
434 return -EINVAL;
435 *slash = '\0';
436 *before = str;
437 *after = slash + 1;
438 return 0;
439 }
440
441 static int strtouint32_t(const char *str, uint32_t *p_val)
442 {
443 char *endptr;
444 unsigned long int val;
445
446 val = strtoul(str, &endptr, 10);
447 if (endptr == str || *endptr != '\0')
448 return -EINVAL;
449 if (val > UINT_MAX)
450 return -ERANGE;
451 *p_val = val;
452 return 0;
453 }
454
455 static int strtouint16_t(const char *str, uint16_t *p_val)
456 {
457 char *endptr;
458 unsigned long int val;
459
460 val = strtoul(str, &endptr, 10);
461 if (endptr == str || *endptr != '\0')
462 return -EINVAL;
463 if (val > USHRT_MAX)
464 return -ERANGE;
465 *p_val = val;
466 return 0;
467 }
468
469 static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
470 {
471 strslashrsplit(str, p_bus_name, p_dev_name);
472 return 0;
473 }
474
475 static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
476 {
477 char *str = dl_argv_next(dl);
478
479 if (!str) {
480 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
481 return -EINVAL;
482 }
483 if (strslashcount(str) != 1) {
484 pr_err("Wrong devlink identification string format.\n");
485 pr_err("Expected \"bus_name/dev_name\".\n");
486 return -EINVAL;
487 }
488 return __dl_argv_handle(str, p_bus_name, p_dev_name);
489 }
490
491 static int __dl_argv_handle_port(char *str,
492 char **p_bus_name, char **p_dev_name,
493 uint32_t *p_port_index)
494 {
495 char *handlestr = handlestr;
496 char *portstr = portstr;
497 int err;
498
499 strslashrsplit(str, &handlestr, &portstr);
500 err = strtouint32_t(portstr, p_port_index);
501 if (err) {
502 pr_err("Port index \"%s\" is not a number or not within range\n",
503 portstr);
504 return err;
505 }
506 strslashrsplit(handlestr, p_bus_name, p_dev_name);
507 return 0;
508 }
509
510 static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
511 char **p_bus_name, char **p_dev_name,
512 uint32_t *p_port_index)
513 {
514 int err;
515
516 err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
517 p_port_index);
518 if (err) {
519 pr_err("Netdevice \"%s\" not found\n", str);
520 return err;
521 }
522 return 0;
523 }
524
525 static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
526 char **p_dev_name, uint32_t *p_port_index)
527 {
528 char *str = dl_argv_next(dl);
529 unsigned int slash_count;
530
531 if (!str) {
532 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
533 return -EINVAL;
534 }
535 slash_count = strslashcount(str);
536 switch (slash_count) {
537 case 0:
538 return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
539 p_dev_name, p_port_index);
540 case 2:
541 return __dl_argv_handle_port(str, p_bus_name,
542 p_dev_name, p_port_index);
543 default:
544 pr_err("Wrong port identification string format.\n");
545 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
546 return -EINVAL;
547 }
548 }
549
550 static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
551 char **p_dev_name, uint32_t *p_port_index,
552 uint32_t *p_handle_bit)
553 {
554 char *str = dl_argv_next(dl);
555 unsigned int slash_count;
556 int err;
557
558 if (!str) {
559 pr_err("One of following identifications expected:\n"
560 "Devlink identification (\"bus_name/dev_name\")\n"
561 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
562 return -EINVAL;
563 }
564 slash_count = strslashcount(str);
565 if (slash_count == 1) {
566 err = __dl_argv_handle(str, p_bus_name, p_dev_name);
567 if (err)
568 return err;
569 *p_handle_bit = DL_OPT_HANDLE;
570 } else if (slash_count == 2) {
571 err = __dl_argv_handle_port(str, p_bus_name,
572 p_dev_name, p_port_index);
573 if (err)
574 return err;
575 *p_handle_bit = DL_OPT_HANDLEP;
576 } else if (slash_count == 0) {
577 err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
578 p_dev_name, p_port_index);
579 if (err)
580 return err;
581 *p_handle_bit = DL_OPT_HANDLEP;
582 } else {
583 pr_err("Wrong port identification string format.\n");
584 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
585 return -EINVAL;
586 }
587 return 0;
588 }
589
590 static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
591 {
592 char *str = dl_argv_next(dl);
593 int err;
594
595 if (!str) {
596 pr_err("Unsigned number argument expected\n");
597 return -EINVAL;
598 }
599
600 err = strtouint32_t(str, p_val);
601 if (err) {
602 pr_err("\"%s\" is not a number or not within range\n", str);
603 return err;
604 }
605 return 0;
606 }
607
608 static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
609 {
610 char *str = dl_argv_next(dl);
611 int err;
612
613 if (!str) {
614 pr_err("Unsigned number argument expected\n");
615 return -EINVAL;
616 }
617
618 err = strtouint16_t(str, p_val);
619 if (err) {
620 pr_err("\"%s\" is not a number or not within range\n", str);
621 return err;
622 }
623 return 0;
624 }
625
626 static int dl_argv_str(struct dl *dl, const char **p_str)
627 {
628 const char *str = dl_argv_next(dl);
629
630 if (!str) {
631 pr_err("String parameter expected\n");
632 return -EINVAL;
633 }
634 *p_str = str;
635 return 0;
636 }
637
638 static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
639 {
640 if (strcmp(typestr, "auto") == 0) {
641 *p_type = DEVLINK_PORT_TYPE_AUTO;
642 } else if (strcmp(typestr, "eth") == 0) {
643 *p_type = DEVLINK_PORT_TYPE_ETH;
644 } else if (strcmp(typestr, "ib") == 0) {
645 *p_type = DEVLINK_PORT_TYPE_IB;
646 } else {
647 pr_err("Unknown port type \"%s\"\n", typestr);
648 return -EINVAL;
649 }
650 return 0;
651 }
652
653 static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
654 {
655 if (strcmp(typestr, "ingress") == 0) {
656 *p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
657 } else if (strcmp(typestr, "egress") == 0) {
658 *p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
659 } else {
660 pr_err("Unknown pool type \"%s\"\n", typestr);
661 return -EINVAL;
662 }
663 return 0;
664 }
665
666 static int threshold_type_get(const char *typestr,
667 enum devlink_sb_threshold_type *p_type)
668 {
669 if (strcmp(typestr, "static") == 0) {
670 *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
671 } else if (strcmp(typestr, "dynamic") == 0) {
672 *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
673 } else {
674 pr_err("Unknown threshold type \"%s\"\n", typestr);
675 return -EINVAL;
676 }
677 return 0;
678 }
679
680 static int eswitch_mode_get(const char *typestr,
681 enum devlink_eswitch_mode *p_mode)
682 {
683 if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
684 *p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
685 } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
686 *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
687 } else {
688 pr_err("Unknown eswitch mode \"%s\"\n", typestr);
689 return -EINVAL;
690 }
691 return 0;
692 }
693
694 static int eswitch_inline_mode_get(const char *typestr,
695 enum devlink_eswitch_inline_mode *p_mode)
696 {
697 if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
698 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
699 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
700 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
701 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
702 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
703 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
704 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
705 } else {
706 pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
707 return -EINVAL;
708 }
709 return 0;
710 }
711
712 static int dl_argv_parse(struct dl *dl, uint32_t o_required,
713 uint32_t o_optional)
714 {
715 struct dl_opts *opts = &dl->opts;
716 uint32_t o_all = o_required | o_optional;
717 uint32_t o_found = 0;
718 int err;
719
720 if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
721 uint32_t handle_bit = handle_bit;
722
723 err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
724 &opts->port_index, &handle_bit);
725 if (err)
726 return err;
727 o_found |= handle_bit;
728 } else if (o_required & DL_OPT_HANDLE) {
729 err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
730 if (err)
731 return err;
732 o_found |= DL_OPT_HANDLE;
733 } else if (o_required & DL_OPT_HANDLEP) {
734 err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
735 &opts->port_index);
736 if (err)
737 return err;
738 o_found |= DL_OPT_HANDLEP;
739 }
740
741 while (dl_argc(dl)) {
742 if (dl_argv_match(dl, "type") &&
743 (o_all & DL_OPT_PORT_TYPE)) {
744 const char *typestr;
745
746 dl_arg_inc(dl);
747 err = dl_argv_str(dl, &typestr);
748 if (err)
749 return err;
750 err = port_type_get(typestr, &opts->port_type);
751 if (err)
752 return err;
753 o_found |= DL_OPT_PORT_TYPE;
754 } else if (dl_argv_match(dl, "count") &&
755 (o_all & DL_OPT_PORT_COUNT)) {
756 dl_arg_inc(dl);
757 err = dl_argv_uint32_t(dl, &opts->port_count);
758 if (err)
759 return err;
760 o_found |= DL_OPT_PORT_COUNT;
761 } else if (dl_argv_match(dl, "sb") &&
762 (o_all & DL_OPT_SB)) {
763 dl_arg_inc(dl);
764 err = dl_argv_uint32_t(dl, &opts->sb_index);
765 if (err)
766 return err;
767 o_found |= DL_OPT_SB;
768 } else if (dl_argv_match(dl, "pool") &&
769 (o_all & DL_OPT_SB_POOL)) {
770 dl_arg_inc(dl);
771 err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
772 if (err)
773 return err;
774 o_found |= DL_OPT_SB_POOL;
775 } else if (dl_argv_match(dl, "size") &&
776 (o_all & DL_OPT_SB_SIZE)) {
777 dl_arg_inc(dl);
778 err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
779 if (err)
780 return err;
781 o_found |= DL_OPT_SB_SIZE;
782 } else if (dl_argv_match(dl, "type") &&
783 (o_all & DL_OPT_SB_TYPE)) {
784 const char *typestr;
785
786 dl_arg_inc(dl);
787 err = dl_argv_str(dl, &typestr);
788 if (err)
789 return err;
790 err = pool_type_get(typestr, &opts->sb_pool_type);
791 if (err)
792 return err;
793 o_found |= DL_OPT_SB_TYPE;
794 } else if (dl_argv_match(dl, "thtype") &&
795 (o_all & DL_OPT_SB_THTYPE)) {
796 const char *typestr;
797
798 dl_arg_inc(dl);
799 err = dl_argv_str(dl, &typestr);
800 if (err)
801 return err;
802 err = threshold_type_get(typestr,
803 &opts->sb_pool_thtype);
804 if (err)
805 return err;
806 o_found |= DL_OPT_SB_THTYPE;
807 } else if (dl_argv_match(dl, "th") &&
808 (o_all & DL_OPT_SB_TH)) {
809 dl_arg_inc(dl);
810 err = dl_argv_uint32_t(dl, &opts->sb_threshold);
811 if (err)
812 return err;
813 o_found |= DL_OPT_SB_TH;
814 } else if (dl_argv_match(dl, "tc") &&
815 (o_all & DL_OPT_SB_TC)) {
816 dl_arg_inc(dl);
817 err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
818 if (err)
819 return err;
820 o_found |= DL_OPT_SB_TC;
821 } else if (dl_argv_match(dl, "mode") &&
822 (o_all & DL_OPT_ESWITCH_MODE)) {
823 const char *typestr;
824
825 dl_arg_inc(dl);
826 err = dl_argv_str(dl, &typestr);
827 if (err)
828 return err;
829 err = eswitch_mode_get(typestr, &opts->eswitch_mode);
830 if (err)
831 return err;
832 o_found |= DL_OPT_ESWITCH_MODE;
833 } else if (dl_argv_match(dl, "inline-mode") &&
834 (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
835 const char *typestr;
836
837 dl_arg_inc(dl);
838 err = dl_argv_str(dl, &typestr);
839 if (err)
840 return err;
841 err = eswitch_inline_mode_get(
842 typestr, &opts->eswitch_inline_mode);
843 if (err)
844 return err;
845 o_found |= DL_OPT_ESWITCH_INLINE_MODE;
846 } else {
847 pr_err("Unknown option \"%s\"\n", dl_argv(dl));
848 return -EINVAL;
849 }
850 }
851
852 opts->present = o_found;
853
854 if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
855 opts->sb_index = 0;
856 opts->present |= DL_OPT_SB;
857 }
858
859 if ((o_required & DL_OPT_PORT_TYPE) && !(o_found & DL_OPT_PORT_TYPE)) {
860 pr_err("Port type option expected.\n");
861 return -EINVAL;
862 }
863
864 if ((o_required & DL_OPT_PORT_COUNT) &&
865 !(o_found & DL_OPT_PORT_COUNT)) {
866 pr_err("Port split count option expected.\n");
867 return -EINVAL;
868 }
869
870 if ((o_required & DL_OPT_SB_POOL) && !(o_found & DL_OPT_SB_POOL)) {
871 pr_err("Pool index option expected.\n");
872 return -EINVAL;
873 }
874
875 if ((o_required & DL_OPT_SB_SIZE) && !(o_found & DL_OPT_SB_SIZE)) {
876 pr_err("Pool size option expected.\n");
877 return -EINVAL;
878 }
879
880 if ((o_required & DL_OPT_SB_TYPE) && !(o_found & DL_OPT_SB_TYPE)) {
881 pr_err("Pool type option expected.\n");
882 return -EINVAL;
883 }
884
885 if ((o_required & DL_OPT_SB_THTYPE) && !(o_found & DL_OPT_SB_THTYPE)) {
886 pr_err("Pool threshold type option expected.\n");
887 return -EINVAL;
888 }
889
890 if ((o_required & DL_OPT_SB_TH) && !(o_found & DL_OPT_SB_TH)) {
891 pr_err("Threshold option expected.\n");
892 return -EINVAL;
893 }
894
895 if ((o_required & DL_OPT_SB_TC) && !(o_found & DL_OPT_SB_TC)) {
896 pr_err("TC index option expected.\n");
897 return -EINVAL;
898 }
899
900 if ((o_required & DL_OPT_ESWITCH_MODE) &&
901 !(o_found & DL_OPT_ESWITCH_MODE)) {
902 pr_err("E-Switch mode option expected.\n");
903 return -EINVAL;
904 }
905
906 if ((o_required & DL_OPT_ESWITCH_INLINE_MODE) &&
907 !(o_found & DL_OPT_ESWITCH_INLINE_MODE)) {
908 pr_err("E-Switch inline-mode option expected.\n");
909 return -EINVAL;
910 }
911
912 return 0;
913 }
914
915 static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
916 {
917 struct dl_opts *opts = &dl->opts;
918
919 if (opts->present & DL_OPT_HANDLE) {
920 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
921 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
922 } else if (opts->present & DL_OPT_HANDLEP) {
923 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
924 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
925 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
926 opts->port_index);
927 }
928 if (opts->present & DL_OPT_PORT_TYPE)
929 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
930 opts->port_type);
931 if (opts->present & DL_OPT_PORT_COUNT)
932 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
933 opts->port_count);
934 if (opts->present & DL_OPT_SB)
935 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
936 opts->sb_index);
937 if (opts->present & DL_OPT_SB_POOL)
938 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
939 opts->sb_pool_index);
940 if (opts->present & DL_OPT_SB_SIZE)
941 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
942 opts->sb_pool_size);
943 if (opts->present & DL_OPT_SB_TYPE)
944 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
945 opts->sb_pool_type);
946 if (opts->present & DL_OPT_SB_THTYPE)
947 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
948 opts->sb_pool_thtype);
949 if (opts->present & DL_OPT_SB_TH)
950 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
951 opts->sb_threshold);
952 if (opts->present & DL_OPT_SB_TC)
953 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
954 opts->sb_tc_index);
955 if (opts->present & DL_OPT_ESWITCH_MODE)
956 mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
957 opts->eswitch_mode);
958 if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
959 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
960 opts->eswitch_inline_mode);
961 }
962
963 static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
964 uint32_t o_required, uint32_t o_optional)
965 {
966 int err;
967
968 err = dl_argv_parse(dl, o_required, o_optional);
969 if (err)
970 return err;
971 dl_opts_put(nlh, dl);
972 return 0;
973 }
974
975 static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
976 {
977 struct dl_opts *opts = &dl->opts;
978 struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
979 struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
980 struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
981 struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
982
983 if (opts->present & DL_OPT_HANDLE &&
984 attr_bus_name && attr_dev_name) {
985 const char *bus_name = mnl_attr_get_str(attr_bus_name);
986 const char *dev_name = mnl_attr_get_str(attr_dev_name);
987
988 if (strcmp(bus_name, opts->bus_name) != 0 ||
989 strcmp(dev_name, opts->dev_name) != 0)
990 return false;
991 }
992 if (opts->present & DL_OPT_HANDLEP &&
993 attr_bus_name && attr_dev_name && attr_port_index) {
994 const char *bus_name = mnl_attr_get_str(attr_bus_name);
995 const char *dev_name = mnl_attr_get_str(attr_dev_name);
996 uint32_t port_index = mnl_attr_get_u32(attr_port_index);
997
998 if (strcmp(bus_name, opts->bus_name) != 0 ||
999 strcmp(dev_name, opts->dev_name) != 0 ||
1000 port_index != opts->port_index)
1001 return false;
1002 }
1003 if (opts->present & DL_OPT_SB && attr_sb_index) {
1004 uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
1005
1006 if (sb_index != opts->sb_index)
1007 return false;
1008 }
1009 return true;
1010 }
1011
1012 static void cmd_dev_help(void)
1013 {
1014 pr_err("Usage: devlink dev show [ DEV ]\n");
1015 pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
1016 pr_err(" [ inline-mode { none | link | network | transport } ]\n");
1017 pr_err(" devlink dev eswitch show DEV\n");
1018 }
1019
1020 static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
1021 const char *dev_name)
1022 {
1023 if (!dl->arr_last.present)
1024 return false;
1025 return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
1026 strcmp(dl->arr_last.dev_name, dev_name) == 0;
1027 }
1028
1029 static void arr_last_handle_set(struct dl *dl, const char *bus_name,
1030 const char *dev_name)
1031 {
1032 dl->arr_last.present = true;
1033 free(dl->arr_last.dev_name);
1034 free(dl->arr_last.bus_name);
1035 dl->arr_last.bus_name = strdup(bus_name);
1036 dl->arr_last.dev_name = strdup(dev_name);
1037 }
1038
1039 static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
1040 const char *dev_name)
1041 {
1042 return !cmp_arr_last_handle(dl, bus_name, dev_name);
1043 }
1044
1045 static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
1046 const char *dev_name)
1047 {
1048 return dl->arr_last.present &&
1049 !cmp_arr_last_handle(dl, bus_name, dev_name);
1050 }
1051
1052 static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
1053 bool content, bool array)
1054 {
1055 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1056 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1057 char buf[32];
1058
1059 sprintf(buf, "%s/%s", bus_name, dev_name);
1060
1061 if (dl->json_output) {
1062 if (array) {
1063 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1064 jsonw_end_array(dl->jw);
1065 if (should_arr_last_handle_start(dl, bus_name,
1066 dev_name)) {
1067 jsonw_name(dl->jw, buf);
1068 jsonw_start_array(dl->jw);
1069 jsonw_start_object(dl->jw);
1070 arr_last_handle_set(dl, bus_name, dev_name);
1071 } else {
1072 jsonw_start_object(dl->jw);
1073 }
1074 } else {
1075 jsonw_name(dl->jw, buf);
1076 jsonw_start_object(dl->jw);
1077 }
1078 } else {
1079 pr_out("%s%s", buf, content ? ":" : "");
1080 }
1081 }
1082
1083 static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
1084 {
1085 __pr_out_handle_start(dl, tb, true, true);
1086 }
1087
1088 static void pr_out_handle_end(struct dl *dl)
1089 {
1090 if (dl->json_output)
1091 jsonw_end_object(dl->jw);
1092 else
1093 pr_out("\n");
1094 }
1095
1096 static void pr_out_handle(struct dl *dl, struct nlattr **tb)
1097 {
1098 __pr_out_handle_start(dl, tb, false, false);
1099 pr_out_handle_end(dl);
1100 }
1101
1102 static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
1103 const char *dev_name, uint32_t port_index)
1104 {
1105 return cmp_arr_last_handle(dl, bus_name, dev_name) &&
1106 dl->arr_last.port_index == port_index;
1107 }
1108
1109 static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
1110 const char *dev_name, uint32_t port_index)
1111 {
1112 arr_last_handle_set(dl, bus_name, dev_name);
1113 dl->arr_last.port_index = port_index;
1114 }
1115
1116 static bool should_arr_last_port_handle_start(struct dl *dl,
1117 const char *bus_name,
1118 const char *dev_name,
1119 uint32_t port_index)
1120 {
1121 return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1122 }
1123
1124 static bool should_arr_last_port_handle_end(struct dl *dl,
1125 const char *bus_name,
1126 const char *dev_name,
1127 uint32_t port_index)
1128 {
1129 return dl->arr_last.present &&
1130 !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1131 }
1132
1133 static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
1134 const char *dev_name,
1135 uint32_t port_index, bool try_nice,
1136 bool array)
1137 {
1138 static char buf[32];
1139 char *ifname = NULL;
1140
1141 if (dl->no_nice_names || !try_nice ||
1142 ifname_map_rev_lookup(dl, bus_name, dev_name,
1143 port_index, &ifname) != 0)
1144 sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
1145 else
1146 sprintf(buf, "%s", ifname);
1147
1148 if (dl->json_output) {
1149 if (array) {
1150 if (should_arr_last_port_handle_end(dl, bus_name,
1151 dev_name,
1152 port_index))
1153 jsonw_end_array(dl->jw);
1154 if (should_arr_last_port_handle_start(dl, bus_name,
1155 dev_name,
1156 port_index)) {
1157 jsonw_name(dl->jw, buf);
1158 jsonw_start_array(dl->jw);
1159 jsonw_start_object(dl->jw);
1160 arr_last_port_handle_set(dl, bus_name, dev_name,
1161 port_index);
1162 } else {
1163 jsonw_start_object(dl->jw);
1164 }
1165 } else {
1166 jsonw_name(dl->jw, buf);
1167 jsonw_start_object(dl->jw);
1168 }
1169 } else {
1170 pr_out("%s:", buf);
1171 }
1172 }
1173
1174 static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
1175 {
1176 const char *bus_name;
1177 const char *dev_name;
1178 uint32_t port_index;
1179
1180 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1181 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1182 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1183 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
1184 }
1185
1186 static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
1187 {
1188 const char *bus_name;
1189 const char *dev_name;
1190 uint32_t port_index;
1191
1192 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1193 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1194 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1195 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
1196 }
1197
1198 static void pr_out_port_handle_end(struct dl *dl)
1199 {
1200 if (dl->json_output)
1201 jsonw_end_object(dl->jw);
1202 else
1203 pr_out("\n");
1204 }
1205
1206
1207 static void pr_out_str(struct dl *dl, const char *name, const char *val)
1208 {
1209 if (dl->json_output)
1210 jsonw_string_field(dl->jw, name, val);
1211 else
1212 pr_out(" %s %s", name, val);
1213 }
1214
1215 static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
1216 {
1217 if (dl->json_output)
1218 jsonw_uint_field(dl->jw, name, val);
1219 else
1220 pr_out(" %s %u", name, val);
1221 }
1222
1223 static void pr_out_dev(struct dl *dl, struct nlattr **tb)
1224 {
1225 pr_out_handle(dl, tb);
1226 }
1227
1228 static void pr_out_section_start(struct dl *dl, const char *name)
1229 {
1230 if (dl->json_output) {
1231 jsonw_start_object(dl->jw);
1232 jsonw_name(dl->jw, name);
1233 jsonw_start_object(dl->jw);
1234 }
1235 }
1236
1237 static void pr_out_section_end(struct dl *dl)
1238 {
1239 if (dl->json_output) {
1240 if (dl->arr_last.present)
1241 jsonw_end_array(dl->jw);
1242 jsonw_end_object(dl->jw);
1243 jsonw_end_object(dl->jw);
1244 }
1245 }
1246
1247 static const char *eswitch_mode_name(uint32_t mode)
1248 {
1249 switch (mode) {
1250 case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
1251 case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
1252 default: return "<unknown mode>";
1253 }
1254 }
1255
1256 static const char *eswitch_inline_mode_name(uint32_t mode)
1257 {
1258 switch (mode) {
1259 case DEVLINK_ESWITCH_INLINE_MODE_NONE:
1260 return ESWITCH_INLINE_MODE_NONE;
1261 case DEVLINK_ESWITCH_INLINE_MODE_LINK:
1262 return ESWITCH_INLINE_MODE_LINK;
1263 case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
1264 return ESWITCH_INLINE_MODE_NETWORK;
1265 case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
1266 return ESWITCH_INLINE_MODE_TRANSPORT;
1267 default:
1268 return "<unknown mode>";
1269 }
1270 }
1271
1272 static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
1273 {
1274 __pr_out_handle_start(dl, tb, true, false);
1275
1276 if (tb[DEVLINK_ATTR_ESWITCH_MODE])
1277 pr_out_str(dl, "mode",
1278 eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
1279
1280 if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
1281 pr_out_str(dl, "inline-mode",
1282 eswitch_inline_mode_name(mnl_attr_get_u8(
1283 tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
1284
1285 pr_out_handle_end(dl);
1286 }
1287
1288 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
1289 {
1290 struct dl *dl = data;
1291 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1292 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1293
1294 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1295 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
1296 return MNL_CB_ERROR;
1297 pr_out_eswitch(dl, tb);
1298 return MNL_CB_OK;
1299 }
1300
1301 static int cmd_dev_eswitch_show(struct dl *dl)
1302 {
1303 struct nlmsghdr *nlh;
1304 int err;
1305
1306 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_GET,
1307 NLM_F_REQUEST | NLM_F_ACK);
1308
1309 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
1310 if (err)
1311 return err;
1312
1313 pr_out_section_start(dl, "dev");
1314 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
1315 pr_out_section_end(dl);
1316 return err;
1317 }
1318
1319 static int cmd_dev_eswitch_set(struct dl *dl)
1320 {
1321 struct nlmsghdr *nlh;
1322 int err;
1323
1324 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_SET,
1325 NLM_F_REQUEST | NLM_F_ACK);
1326
1327 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
1328 DL_OPT_ESWITCH_MODE |
1329 DL_OPT_ESWITCH_INLINE_MODE);
1330
1331 if (err)
1332 return err;
1333
1334 if (dl->opts.present == 1) {
1335 pr_err("Need to set at least one option\n");
1336 return -ENOENT;
1337 }
1338
1339 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1340 }
1341
1342 static int cmd_dev_eswitch(struct dl *dl)
1343 {
1344 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
1345 cmd_dev_help();
1346 return 0;
1347 } else if (dl_argv_match(dl, "set")) {
1348 dl_arg_inc(dl);
1349 return cmd_dev_eswitch_set(dl);
1350 } else if (dl_argv_match(dl, "show")) {
1351 dl_arg_inc(dl);
1352 return cmd_dev_eswitch_show(dl);
1353 }
1354 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1355 return -ENOENT;
1356 }
1357
1358 static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
1359 {
1360 struct dl *dl = data;
1361 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1362 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1363
1364 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1365 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
1366 return MNL_CB_ERROR;
1367 pr_out_dev(dl, tb);
1368 return MNL_CB_OK;
1369 }
1370
1371 static int cmd_dev_show(struct dl *dl)
1372 {
1373 struct nlmsghdr *nlh;
1374 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1375 int err;
1376
1377 if (dl_argc(dl) == 0)
1378 flags |= NLM_F_DUMP;
1379
1380 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
1381
1382 if (dl_argc(dl) > 0) {
1383 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
1384 if (err)
1385 return err;
1386 }
1387
1388 pr_out_section_start(dl, "dev");
1389 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
1390 pr_out_section_end(dl);
1391 return err;
1392 }
1393
1394 static int cmd_dev(struct dl *dl)
1395 {
1396 if (dl_argv_match(dl, "help")) {
1397 cmd_dev_help();
1398 return 0;
1399 } else if (dl_argv_match(dl, "show") ||
1400 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
1401 dl_arg_inc(dl);
1402 return cmd_dev_show(dl);
1403 } else if (dl_argv_match(dl, "eswitch")) {
1404 dl_arg_inc(dl);
1405 return cmd_dev_eswitch(dl);
1406 }
1407 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1408 return -ENOENT;
1409 }
1410
1411 static void cmd_port_help(void)
1412 {
1413 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
1414 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
1415 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
1416 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
1417 }
1418
1419 static const char *port_type_name(uint32_t type)
1420 {
1421 switch (type) {
1422 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
1423 case DEVLINK_PORT_TYPE_AUTO: return "auto";
1424 case DEVLINK_PORT_TYPE_ETH: return "eth";
1425 case DEVLINK_PORT_TYPE_IB: return "ib";
1426 default: return "<unknown type>";
1427 }
1428 }
1429
1430 static void pr_out_port(struct dl *dl, struct nlattr **tb)
1431 {
1432 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
1433 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
1434
1435 pr_out_port_handle_start(dl, tb, false);
1436 if (pt_attr) {
1437 uint16_t port_type = mnl_attr_get_u16(pt_attr);
1438
1439 pr_out_str(dl, "type", port_type_name(port_type));
1440 if (dpt_attr) {
1441 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
1442
1443 if (port_type != des_port_type)
1444 pr_out_str(dl, "des_type",
1445 port_type_name(des_port_type));
1446 }
1447 }
1448 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
1449 pr_out_str(dl, "netdev",
1450 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
1451 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
1452 pr_out_str(dl, "ibdev",
1453 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
1454 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
1455 pr_out_uint(dl, "split_group",
1456 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
1457 pr_out_port_handle_end(dl);
1458 }
1459
1460 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
1461 {
1462 struct dl *dl = data;
1463 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1464 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1465
1466 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1467 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
1468 !tb[DEVLINK_ATTR_PORT_INDEX])
1469 return MNL_CB_ERROR;
1470 pr_out_port(dl, tb);
1471 return MNL_CB_OK;
1472 }
1473
1474 static int cmd_port_show(struct dl *dl)
1475 {
1476 struct nlmsghdr *nlh;
1477 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1478 int err;
1479
1480 if (dl_argc(dl) == 0)
1481 flags |= NLM_F_DUMP;
1482
1483 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
1484
1485 if (dl_argc(dl) > 0) {
1486 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
1487 if (err)
1488 return err;
1489 }
1490
1491 pr_out_section_start(dl, "port");
1492 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
1493 pr_out_section_end(dl);
1494 return err;
1495 }
1496
1497 static int cmd_port_set(struct dl *dl)
1498 {
1499 struct nlmsghdr *nlh;
1500 int err;
1501
1502 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
1503 NLM_F_REQUEST | NLM_F_ACK);
1504
1505 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
1506 if (err)
1507 return err;
1508
1509 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1510 }
1511
1512 static int cmd_port_split(struct dl *dl)
1513 {
1514 struct nlmsghdr *nlh;
1515 int err;
1516
1517 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
1518 NLM_F_REQUEST | NLM_F_ACK);
1519
1520 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
1521 if (err)
1522 return err;
1523
1524 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1525 }
1526
1527 static int cmd_port_unsplit(struct dl *dl)
1528 {
1529 struct nlmsghdr *nlh;
1530 int err;
1531
1532 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
1533 NLM_F_REQUEST | NLM_F_ACK);
1534
1535 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
1536 if (err)
1537 return err;
1538
1539 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1540 }
1541
1542 static int cmd_port(struct dl *dl)
1543 {
1544 if (dl_argv_match(dl, "help")) {
1545 cmd_port_help();
1546 return 0;
1547 } else if (dl_argv_match(dl, "show") ||
1548 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
1549 dl_arg_inc(dl);
1550 return cmd_port_show(dl);
1551 } else if (dl_argv_match(dl, "set")) {
1552 dl_arg_inc(dl);
1553 return cmd_port_set(dl);
1554 } else if (dl_argv_match(dl, "split")) {
1555 dl_arg_inc(dl);
1556 return cmd_port_split(dl);
1557 } else if (dl_argv_match(dl, "unsplit")) {
1558 dl_arg_inc(dl);
1559 return cmd_port_unsplit(dl);
1560 }
1561 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1562 return -ENOENT;
1563 }
1564
1565 static void cmd_sb_help(void)
1566 {
1567 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
1568 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
1569 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
1570 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
1571 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1572 pr_err(" pool POOL_INDEX ]\n");
1573 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1574 pr_err(" pool POOL_INDEX th THRESHOLD\n");
1575 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1576 pr_err(" type { ingress | egress } ]\n");
1577 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1578 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
1579 pr_err(" th THRESHOLD\n");
1580 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
1581 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
1582 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
1583 }
1584
1585 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
1586 {
1587 pr_out_handle_start_arr(dl, tb);
1588 pr_out_uint(dl, "sb",
1589 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
1590 pr_out_uint(dl, "size",
1591 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
1592 pr_out_uint(dl, "ing_pools",
1593 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
1594 pr_out_uint(dl, "eg_pools",
1595 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
1596 pr_out_uint(dl, "ing_tcs",
1597 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
1598 pr_out_uint(dl, "eg_tcs",
1599 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
1600 pr_out_handle_end(dl);
1601 }
1602
1603 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
1604 {
1605 struct dl *dl = data;
1606 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1607 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1608
1609 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1610 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
1611 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
1612 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
1613 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
1614 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
1615 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
1616 return MNL_CB_ERROR;
1617 pr_out_sb(dl, tb);
1618 return MNL_CB_OK;
1619 }
1620
1621 static int cmd_sb_show(struct dl *dl)
1622 {
1623 struct nlmsghdr *nlh;
1624 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1625 int err;
1626
1627 if (dl_argc(dl) == 0)
1628 flags |= NLM_F_DUMP;
1629
1630 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
1631
1632 if (dl_argc(dl) > 0) {
1633 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
1634 if (err)
1635 return err;
1636 }
1637
1638 pr_out_section_start(dl, "sb");
1639 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
1640 pr_out_section_end(dl);
1641 return err;
1642 }
1643
1644 static const char *pool_type_name(uint8_t type)
1645 {
1646 switch (type) {
1647 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
1648 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
1649 default: return "<unknown type>";
1650 }
1651 }
1652
1653 static const char *threshold_type_name(uint8_t type)
1654 {
1655 switch (type) {
1656 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
1657 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
1658 default: return "<unknown type>";
1659 }
1660 }
1661
1662 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
1663 {
1664 pr_out_handle_start_arr(dl, tb);
1665 pr_out_uint(dl, "sb",
1666 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
1667 pr_out_uint(dl, "pool",
1668 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
1669 pr_out_str(dl, "type",
1670 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
1671 pr_out_uint(dl, "size",
1672 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
1673 pr_out_str(dl, "thtype",
1674 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
1675 pr_out_handle_end(dl);
1676 }
1677
1678 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
1679 {
1680 struct dl *dl = data;
1681 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1682 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1683
1684 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1685 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
1686 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
1687 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
1688 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
1689 return MNL_CB_ERROR;
1690 pr_out_sb_pool(dl, tb);
1691 return MNL_CB_OK;
1692 }
1693
1694 static int cmd_sb_pool_show(struct dl *dl)
1695 {
1696 struct nlmsghdr *nlh;
1697 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1698 int err;
1699
1700 if (dl_argc(dl) == 0)
1701 flags |= NLM_F_DUMP;
1702
1703 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
1704
1705 if (dl_argc(dl) > 0) {
1706 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
1707 DL_OPT_SB);
1708 if (err)
1709 return err;
1710 }
1711
1712 pr_out_section_start(dl, "pool");
1713 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
1714 pr_out_section_end(dl);
1715 return err;
1716 }
1717
1718 static int cmd_sb_pool_set(struct dl *dl)
1719 {
1720 struct nlmsghdr *nlh;
1721 int err;
1722
1723 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
1724 NLM_F_REQUEST | NLM_F_ACK);
1725
1726 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
1727 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
1728 if (err)
1729 return err;
1730
1731 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1732 }
1733
1734 static int cmd_sb_pool(struct dl *dl)
1735 {
1736 if (dl_argv_match(dl, "help")) {
1737 cmd_sb_help();
1738 return 0;
1739 } else if (dl_argv_match(dl, "show") ||
1740 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
1741 dl_arg_inc(dl);
1742 return cmd_sb_pool_show(dl);
1743 } else if (dl_argv_match(dl, "set")) {
1744 dl_arg_inc(dl);
1745 return cmd_sb_pool_set(dl);
1746 }
1747 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1748 return -ENOENT;
1749 }
1750
1751 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
1752 {
1753 pr_out_port_handle_start_arr(dl, tb, true);
1754 pr_out_uint(dl, "sb",
1755 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
1756 pr_out_uint(dl, "pool",
1757 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
1758 pr_out_uint(dl, "threshold",
1759 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
1760 pr_out_port_handle_end(dl);
1761 }
1762
1763 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
1764 {
1765 struct dl *dl = data;
1766 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1767 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1768
1769 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1770 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
1771 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
1772 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
1773 return MNL_CB_ERROR;
1774 pr_out_sb_port_pool(dl, tb);
1775 return MNL_CB_OK;
1776 }
1777
1778 static int cmd_sb_port_pool_show(struct dl *dl)
1779 {
1780 struct nlmsghdr *nlh;
1781 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1782 int err;
1783
1784 if (dl_argc(dl) == 0)
1785 flags |= NLM_F_DUMP;
1786
1787 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
1788
1789 if (dl_argc(dl) > 0) {
1790 err = dl_argv_parse_put(nlh, dl,
1791 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
1792 DL_OPT_SB);
1793 if (err)
1794 return err;
1795 }
1796
1797 pr_out_section_start(dl, "port_pool");
1798 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
1799 pr_out_section_end(dl);
1800 return 0;
1801 }
1802
1803 static int cmd_sb_port_pool_set(struct dl *dl)
1804 {
1805 struct nlmsghdr *nlh;
1806 int err;
1807
1808 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
1809 NLM_F_REQUEST | NLM_F_ACK);
1810
1811 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
1812 DL_OPT_SB_TH, DL_OPT_SB);
1813 if (err)
1814 return err;
1815
1816 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1817 }
1818
1819 static int cmd_sb_port_pool(struct dl *dl)
1820 {
1821 if (dl_argv_match(dl, "help")) {
1822 cmd_sb_help();
1823 return 0;
1824 } else if (dl_argv_match(dl, "show") ||
1825 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
1826 dl_arg_inc(dl);
1827 return cmd_sb_port_pool_show(dl);
1828 } else if (dl_argv_match(dl, "set")) {
1829 dl_arg_inc(dl);
1830 return cmd_sb_port_pool_set(dl);
1831 }
1832 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1833 return -ENOENT;
1834 }
1835
1836 static int cmd_sb_port(struct dl *dl)
1837 {
1838 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
1839 cmd_sb_help();
1840 return 0;
1841 } else if (dl_argv_match(dl, "pool")) {
1842 dl_arg_inc(dl);
1843 return cmd_sb_port_pool(dl);
1844 }
1845 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1846 return -ENOENT;
1847 }
1848
1849 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
1850 {
1851 pr_out_port_handle_start_arr(dl, tb, true);
1852 pr_out_uint(dl, "sb",
1853 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
1854 pr_out_uint(dl, "tc",
1855 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
1856 pr_out_str(dl, "type",
1857 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
1858 pr_out_uint(dl, "pool",
1859 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
1860 pr_out_uint(dl, "threshold",
1861 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
1862 pr_out_port_handle_end(dl);
1863 }
1864
1865 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
1866 {
1867 struct dl *dl = data;
1868 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1869 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1870
1871 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1872 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
1873 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
1874 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
1875 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
1876 return MNL_CB_ERROR;
1877 pr_out_sb_tc_bind(dl, tb);
1878 return MNL_CB_OK;
1879 }
1880
1881 static int cmd_sb_tc_bind_show(struct dl *dl)
1882 {
1883 struct nlmsghdr *nlh;
1884 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
1885 int err;
1886
1887 if (dl_argc(dl) == 0)
1888 flags |= NLM_F_DUMP;
1889
1890 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
1891
1892 if (dl_argc(dl) > 0) {
1893 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
1894 DL_OPT_SB_TYPE, DL_OPT_SB);
1895 if (err)
1896 return err;
1897 }
1898
1899 pr_out_section_start(dl, "tc_bind");
1900 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
1901 pr_out_section_end(dl);
1902 return err;
1903 }
1904
1905 static int cmd_sb_tc_bind_set(struct dl *dl)
1906 {
1907 struct nlmsghdr *nlh;
1908 int err;
1909
1910 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
1911 NLM_F_REQUEST | NLM_F_ACK);
1912
1913 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
1914 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
1915 DL_OPT_SB);
1916 if (err)
1917 return err;
1918
1919 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1920 }
1921
1922 static int cmd_sb_tc_bind(struct dl *dl)
1923 {
1924 if (dl_argv_match(dl, "help")) {
1925 cmd_sb_help();
1926 return 0;
1927 } else if (dl_argv_match(dl, "show") ||
1928 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
1929 dl_arg_inc(dl);
1930 return cmd_sb_tc_bind_show(dl);
1931 } else if (dl_argv_match(dl, "set")) {
1932 dl_arg_inc(dl);
1933 return cmd_sb_tc_bind_set(dl);
1934 }
1935 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1936 return -ENOENT;
1937 }
1938
1939 static int cmd_sb_tc(struct dl *dl)
1940 {
1941 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
1942 cmd_sb_help();
1943 return 0;
1944 } else if (dl_argv_match(dl, "bind")) {
1945 dl_arg_inc(dl);
1946 return cmd_sb_tc_bind(dl);
1947 }
1948 pr_err("Command \"%s\" not found\n", dl_argv(dl));
1949 return -ENOENT;
1950 }
1951
1952 struct occ_item {
1953 struct list_head list;
1954 uint32_t index;
1955 uint32_t cur;
1956 uint32_t max;
1957 uint32_t bound_pool_index;
1958 };
1959
1960 struct occ_port {
1961 struct list_head list;
1962 char *bus_name;
1963 char *dev_name;
1964 uint32_t port_index;
1965 uint32_t sb_index;
1966 struct list_head pool_list;
1967 struct list_head ing_tc_list;
1968 struct list_head eg_tc_list;
1969 };
1970
1971 struct occ_show {
1972 struct dl *dl;
1973 int err;
1974 struct list_head port_list;
1975 };
1976
1977 static struct occ_item *occ_item_alloc(void)
1978 {
1979 return calloc(1, sizeof(struct occ_item));
1980 }
1981
1982 static void occ_item_free(struct occ_item *occ_item)
1983 {
1984 free(occ_item);
1985 }
1986
1987 static struct occ_port *occ_port_alloc(uint32_t port_index)
1988 {
1989 struct occ_port *occ_port;
1990
1991 occ_port = calloc(1, sizeof(*occ_port));
1992 if (!occ_port)
1993 return NULL;
1994 occ_port->port_index = port_index;
1995 INIT_LIST_HEAD(&occ_port->pool_list);
1996 INIT_LIST_HEAD(&occ_port->ing_tc_list);
1997 INIT_LIST_HEAD(&occ_port->eg_tc_list);
1998 return occ_port;
1999 }
2000
2001 static void occ_port_free(struct occ_port *occ_port)
2002 {
2003 struct occ_item *occ_item, *tmp;
2004
2005 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
2006 occ_item_free(occ_item);
2007 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
2008 occ_item_free(occ_item);
2009 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
2010 occ_item_free(occ_item);
2011 }
2012
2013 static struct occ_show *occ_show_alloc(struct dl *dl)
2014 {
2015 struct occ_show *occ_show;
2016
2017 occ_show = calloc(1, sizeof(*occ_show));
2018 if (!occ_show)
2019 return NULL;
2020 occ_show->dl = dl;
2021 INIT_LIST_HEAD(&occ_show->port_list);
2022 return occ_show;
2023 }
2024
2025 static void occ_show_free(struct occ_show *occ_show)
2026 {
2027 struct occ_port *occ_port, *tmp;
2028
2029 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
2030 occ_port_free(occ_port);
2031 }
2032
2033 static struct occ_port *occ_port_get(struct occ_show *occ_show,
2034 struct nlattr **tb)
2035 {
2036 struct occ_port *occ_port;
2037 uint32_t port_index;
2038
2039 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
2040
2041 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
2042 if (occ_port->port_index == port_index)
2043 return occ_port;
2044 }
2045 occ_port = occ_port_alloc(port_index);
2046 if (!occ_port)
2047 return NULL;
2048 list_add_tail(&occ_port->list, &occ_show->port_list);
2049 return occ_port;
2050 }
2051
2052 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
2053 bool bound_pool)
2054 {
2055 struct occ_item *occ_item;
2056 int i = 1;
2057
2058 pr_out_sp(7, " %s:", label);
2059 list_for_each_entry(occ_item, list, list) {
2060 if ((i - 1) % 4 == 0 && i != 1)
2061 pr_out_sp(7, " ");
2062 if (bound_pool)
2063 pr_out_sp(7, "%2u(%u):", occ_item->index,
2064 occ_item->bound_pool_index);
2065 else
2066 pr_out_sp(7, "%2u:", occ_item->index);
2067 pr_out_sp(15, "%7u/%u", occ_item->cur, occ_item->max);
2068 if (i++ % 4 == 0)
2069 pr_out("\n");
2070 }
2071 if ((i - 1) % 4 != 0)
2072 pr_out("\n");
2073 }
2074
2075 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
2076 struct list_head *list,
2077 bool bound_pool)
2078 {
2079 struct occ_item *occ_item;
2080 char buf[32];
2081
2082 jsonw_name(dl->jw, label);
2083 jsonw_start_object(dl->jw);
2084 list_for_each_entry(occ_item, list, list) {
2085 sprintf(buf, "%u", occ_item->index);
2086 jsonw_name(dl->jw, buf);
2087 jsonw_start_object(dl->jw);
2088 if (bound_pool)
2089 jsonw_uint_field(dl->jw, "bound_pool",
2090 occ_item->bound_pool_index);
2091 jsonw_uint_field(dl->jw, "current", occ_item->cur);
2092 jsonw_uint_field(dl->jw, "max", occ_item->max);
2093 jsonw_end_object(dl->jw);
2094 }
2095 jsonw_end_object(dl->jw);
2096 }
2097
2098 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
2099 {
2100 if (dl->json_output) {
2101 pr_out_json_occ_show_item_list(dl, "pool",
2102 &occ_port->pool_list, false);
2103 pr_out_json_occ_show_item_list(dl, "itc",
2104 &occ_port->ing_tc_list, true);
2105 pr_out_json_occ_show_item_list(dl, "etc",
2106 &occ_port->eg_tc_list, true);
2107 } else {
2108 pr_out("\n");
2109 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
2110 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
2111 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
2112 }
2113 }
2114
2115 static void pr_out_occ_show(struct occ_show *occ_show)
2116 {
2117 struct dl *dl = occ_show->dl;
2118 struct dl_opts *opts = &dl->opts;
2119 struct occ_port *occ_port;
2120
2121 list_for_each_entry(occ_port, &occ_show->port_list, list) {
2122 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
2123 occ_port->port_index, true, false);
2124 pr_out_occ_show_port(dl, occ_port);
2125 pr_out_port_handle_end(dl);
2126 }
2127 }
2128
2129 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
2130 struct nlattr **tb)
2131 {
2132 struct occ_port *occ_port;
2133 struct occ_item *occ_item;
2134
2135 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
2136 return;
2137
2138 occ_port = occ_port_get(occ_show, tb);
2139 if (!occ_port) {
2140 occ_show->err = -ENOMEM;
2141 return;
2142 }
2143
2144 occ_item = occ_item_alloc();
2145 if (!occ_item) {
2146 occ_show->err = -ENOMEM;
2147 return;
2148 }
2149 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
2150 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
2151 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
2152 list_add_tail(&occ_item->list, &occ_port->pool_list);
2153 }
2154
2155 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
2156 {
2157 struct occ_show *occ_show = data;
2158 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2159 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2160
2161 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2162 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2163 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
2164 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
2165 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
2166 return MNL_CB_ERROR;
2167 cmd_sb_occ_port_pool_process(occ_show, tb);
2168 return MNL_CB_OK;
2169 }
2170
2171 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
2172 struct nlattr **tb)
2173 {
2174 struct occ_port *occ_port;
2175 struct occ_item *occ_item;
2176 uint8_t pool_type;
2177
2178 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
2179 return;
2180
2181 occ_port = occ_port_get(occ_show, tb);
2182 if (!occ_port) {
2183 occ_show->err = -ENOMEM;
2184 return;
2185 }
2186
2187 occ_item = occ_item_alloc();
2188 if (!occ_item) {
2189 occ_show->err = -ENOMEM;
2190 return;
2191 }
2192 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
2193 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
2194 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
2195 occ_item->bound_pool_index =
2196 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
2197 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
2198 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
2199 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
2200 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
2201 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
2202 else
2203 occ_item_free(occ_item);
2204 }
2205
2206 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
2207 {
2208 struct occ_show *occ_show = data;
2209 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2210 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2211
2212 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2213 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2214 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
2215 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
2216 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
2217 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
2218 return MNL_CB_ERROR;
2219 cmd_sb_occ_tc_pool_process(occ_show, tb);
2220 return MNL_CB_OK;
2221 }
2222
2223 static int cmd_sb_occ_show(struct dl *dl)
2224 {
2225 struct nlmsghdr *nlh;
2226 struct occ_show *occ_show;
2227 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
2228 int err;
2229
2230 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
2231 if (err)
2232 return err;
2233
2234 occ_show = occ_show_alloc(dl);
2235 if (!occ_show)
2236 return -ENOMEM;
2237
2238 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
2239
2240 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
2241 cmd_sb_occ_port_pool_process_cb, occ_show);
2242 if (err)
2243 goto out;
2244
2245 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
2246
2247 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
2248 cmd_sb_occ_tc_pool_process_cb, occ_show);
2249 if (err)
2250 goto out;
2251
2252 pr_out_section_start(dl, "occupancy");
2253 pr_out_occ_show(occ_show);
2254 pr_out_section_end(dl);
2255
2256 out:
2257 occ_show_free(occ_show);
2258 return err;
2259 }
2260
2261 static int cmd_sb_occ_snapshot(struct dl *dl)
2262 {
2263 struct nlmsghdr *nlh;
2264 int err;
2265
2266 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
2267 NLM_F_REQUEST | NLM_F_ACK);
2268
2269 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
2270 if (err)
2271 return err;
2272
2273 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2274 }
2275
2276 static int cmd_sb_occ_clearmax(struct dl *dl)
2277 {
2278 struct nlmsghdr *nlh;
2279 int err;
2280
2281 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
2282 NLM_F_REQUEST | NLM_F_ACK);
2283
2284 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
2285 if (err)
2286 return err;
2287
2288 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2289 }
2290
2291 static int cmd_sb_occ(struct dl *dl)
2292 {
2293 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2294 cmd_sb_help();
2295 return 0;
2296 } else if (dl_argv_match(dl, "show") ||
2297 dl_argv_match(dl, "list")) {
2298 dl_arg_inc(dl);
2299 return cmd_sb_occ_show(dl);
2300 } else if (dl_argv_match(dl, "snapshot")) {
2301 dl_arg_inc(dl);
2302 return cmd_sb_occ_snapshot(dl);
2303 } else if (dl_argv_match(dl, "clearmax")) {
2304 dl_arg_inc(dl);
2305 return cmd_sb_occ_clearmax(dl);
2306 }
2307 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2308 return -ENOENT;
2309 }
2310
2311 static int cmd_sb(struct dl *dl)
2312 {
2313 if (dl_argv_match(dl, "help")) {
2314 cmd_sb_help();
2315 return 0;
2316 } else if (dl_argv_match(dl, "show") ||
2317 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2318 dl_arg_inc(dl);
2319 return cmd_sb_show(dl);
2320 } else if (dl_argv_match(dl, "pool")) {
2321 dl_arg_inc(dl);
2322 return cmd_sb_pool(dl);
2323 } else if (dl_argv_match(dl, "port")) {
2324 dl_arg_inc(dl);
2325 return cmd_sb_port(dl);
2326 } else if (dl_argv_match(dl, "tc")) {
2327 dl_arg_inc(dl);
2328 return cmd_sb_tc(dl);
2329 } else if (dl_argv_match(dl, "occupancy")) {
2330 dl_arg_inc(dl);
2331 return cmd_sb_occ(dl);
2332 }
2333 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2334 return -ENOENT;
2335 }
2336
2337 static const char *cmd_name(uint8_t cmd)
2338 {
2339 switch (cmd) {
2340 case DEVLINK_CMD_UNSPEC: return "unspec";
2341 case DEVLINK_CMD_GET: return "get";
2342 case DEVLINK_CMD_SET: return "set";
2343 case DEVLINK_CMD_NEW: return "new";
2344 case DEVLINK_CMD_DEL: return "del";
2345 case DEVLINK_CMD_PORT_GET: return "get";
2346 case DEVLINK_CMD_PORT_SET: return "set";
2347 case DEVLINK_CMD_PORT_NEW: return "net";
2348 case DEVLINK_CMD_PORT_DEL: return "del";
2349 default: return "<unknown cmd>";
2350 }
2351 }
2352
2353 static const char *cmd_obj(uint8_t cmd)
2354 {
2355 switch (cmd) {
2356 case DEVLINK_CMD_UNSPEC: return "unspec";
2357 case DEVLINK_CMD_GET:
2358 case DEVLINK_CMD_SET:
2359 case DEVLINK_CMD_NEW:
2360 case DEVLINK_CMD_DEL:
2361 return "dev";
2362 case DEVLINK_CMD_PORT_GET:
2363 case DEVLINK_CMD_PORT_SET:
2364 case DEVLINK_CMD_PORT_NEW:
2365 case DEVLINK_CMD_PORT_DEL:
2366 return "port";
2367 default: return "<unknown obj>";
2368 }
2369 }
2370
2371 static void pr_out_mon_header(uint8_t cmd)
2372 {
2373 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
2374 }
2375
2376 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
2377 {
2378 const char *obj = cmd_obj(cmd);
2379 unsigned int index = 0;
2380 const char *cur_obj;
2381
2382 if (dl_no_arg(dl))
2383 return true;
2384 while ((cur_obj = dl_argv_index(dl, index++))) {
2385 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
2386 return true;
2387 }
2388 return false;
2389 }
2390
2391 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
2392 {
2393 struct dl *dl = data;
2394 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2395 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2396 uint8_t cmd = genl->cmd;
2397
2398 if (!cmd_filter_check(dl, cmd))
2399 return MNL_CB_OK;
2400
2401 switch (cmd) {
2402 case DEVLINK_CMD_GET: /* fall through */
2403 case DEVLINK_CMD_SET: /* fall through */
2404 case DEVLINK_CMD_NEW: /* fall through */
2405 case DEVLINK_CMD_DEL:
2406 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2407 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2408 return MNL_CB_ERROR;
2409 pr_out_mon_header(genl->cmd);
2410 pr_out_dev(dl, tb);
2411 break;
2412 case DEVLINK_CMD_PORT_GET: /* fall through */
2413 case DEVLINK_CMD_PORT_SET: /* fall through */
2414 case DEVLINK_CMD_PORT_NEW: /* fall through */
2415 case DEVLINK_CMD_PORT_DEL:
2416 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2417 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2418 !tb[DEVLINK_ATTR_PORT_INDEX])
2419 return MNL_CB_ERROR;
2420 pr_out_mon_header(genl->cmd);
2421 pr_out_port(dl, tb);
2422 break;
2423 }
2424 return MNL_CB_OK;
2425 }
2426
2427 static int cmd_mon_show(struct dl *dl)
2428 {
2429 int err;
2430 unsigned int index = 0;
2431 const char *cur_obj;
2432
2433 while ((cur_obj = dl_argv_index(dl, index++))) {
2434 if (strcmp(cur_obj, "all") != 0 &&
2435 strcmp(cur_obj, "dev") != 0 &&
2436 strcmp(cur_obj, "port") != 0) {
2437 pr_err("Unknown object \"%s\"\n", cur_obj);
2438 return -EINVAL;
2439 }
2440 }
2441 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
2442 if (err)
2443 return err;
2444 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
2445 if (err)
2446 return err;
2447 return 0;
2448 }
2449
2450 static void cmd_mon_help(void)
2451 {
2452 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
2453 "where OBJECT-LIST := { dev | port }\n");
2454 }
2455
2456 static int cmd_mon(struct dl *dl)
2457 {
2458 if (dl_argv_match(dl, "help")) {
2459 cmd_mon_help();
2460 return 0;
2461 } else if (dl_no_arg(dl)) {
2462 dl_arg_inc(dl);
2463 return cmd_mon_show(dl);
2464 }
2465 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2466 return -ENOENT;
2467 }
2468
2469 static void help(void)
2470 {
2471 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
2472 "where OBJECT := { dev | port | sb | monitor }\n"
2473 " OPTIONS := { -V[ersion] | -n[no-nice-names] }\n");
2474 }
2475
2476 static int dl_cmd(struct dl *dl)
2477 {
2478 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2479 help();
2480 return 0;
2481 } else if (dl_argv_match(dl, "dev")) {
2482 dl_arg_inc(dl);
2483 return cmd_dev(dl);
2484 } else if (dl_argv_match(dl, "port")) {
2485 dl_arg_inc(dl);
2486 return cmd_port(dl);
2487 } else if (dl_argv_match(dl, "sb")) {
2488 dl_arg_inc(dl);
2489 return cmd_sb(dl);
2490 } else if (dl_argv_match(dl, "monitor")) {
2491 dl_arg_inc(dl);
2492 return cmd_mon(dl);
2493 }
2494 pr_err("Object \"%s\" not found\n", dl_argv(dl));
2495 return -ENOENT;
2496 }
2497
2498 static int dl_init(struct dl *dl, int argc, char **argv)
2499 {
2500 int err;
2501
2502 dl->argc = argc;
2503 dl->argv = argv;
2504
2505 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
2506 if (!dl->nlg) {
2507 pr_err("Failed to connect to devlink Netlink\n");
2508 return -errno;
2509 }
2510
2511 err = ifname_map_init(dl);
2512 if (err) {
2513 pr_err("Failed to create index map\n");
2514 goto err_ifname_map_create;
2515 }
2516 if (dl->json_output) {
2517 dl->jw = jsonw_new(stdout);
2518 if (!dl->jw) {
2519 pr_err("Failed to create JSON writer\n");
2520 goto err_json_new;
2521 }
2522 jsonw_pretty(dl->jw, dl->pretty_output);
2523 }
2524 return 0;
2525
2526 err_json_new:
2527 ifname_map_fini(dl);
2528 err_ifname_map_create:
2529 mnlg_socket_close(dl->nlg);
2530 return err;
2531 }
2532
2533 static void dl_fini(struct dl *dl)
2534 {
2535 if (dl->json_output)
2536 jsonw_destroy(&dl->jw);
2537 ifname_map_fini(dl);
2538 mnlg_socket_close(dl->nlg);
2539 }
2540
2541 static struct dl *dl_alloc(void)
2542 {
2543 struct dl *dl;
2544
2545 dl = calloc(1, sizeof(*dl));
2546 if (!dl)
2547 return NULL;
2548 return dl;
2549 }
2550
2551 static void dl_free(struct dl *dl)
2552 {
2553 free(dl);
2554 }
2555
2556 int main(int argc, char **argv)
2557 {
2558 static const struct option long_options[] = {
2559 { "Version", no_argument, NULL, 'V' },
2560 { "no-nice-names", no_argument, NULL, 'n' },
2561 { "json", no_argument, NULL, 'j' },
2562 { "pretty", no_argument, NULL, 'p' },
2563 { NULL, 0, NULL, 0 }
2564 };
2565 struct dl *dl;
2566 int opt;
2567 int err;
2568 int ret;
2569
2570 dl = dl_alloc();
2571 if (!dl) {
2572 pr_err("Failed to allocate memory for devlink\n");
2573 return EXIT_FAILURE;
2574 }
2575
2576 while ((opt = getopt_long(argc, argv, "Vnjp",
2577 long_options, NULL)) >= 0) {
2578
2579 switch (opt) {
2580 case 'V':
2581 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
2582 return EXIT_SUCCESS;
2583 case 'n':
2584 dl->no_nice_names = true;
2585 break;
2586 case 'j':
2587 dl->json_output = true;
2588 break;
2589 case 'p':
2590 dl->pretty_output = true;
2591 break;
2592 default:
2593 pr_err("Unknown option.\n");
2594 help();
2595 return EXIT_FAILURE;
2596 }
2597 }
2598
2599 argc -= optind;
2600 argv += optind;
2601
2602 err = dl_init(dl, argc, argv);
2603 if (err) {
2604 ret = EXIT_FAILURE;
2605 goto dl_free;
2606 }
2607
2608 err = dl_cmd(dl);
2609 if (err) {
2610 ret = EXIT_FAILURE;
2611 goto dl_fini;
2612 }
2613
2614 ret = EXIT_SUCCESS;
2615
2616 dl_fini:
2617 dl_fini(dl);
2618 dl_free:
2619 dl_free(dl);
2620
2621 return ret;
2622 }
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