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devlink: Add devlink health diagnose command
[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 <inttypes.h>
21 #include <linux/genetlink.h>
22 #include <linux/devlink.h>
23 #include <libmnl/libmnl.h>
24 #include <netinet/ether.h>
25 #include <sys/sysinfo.h>
26 #include <sys/queue.h>
27
28 #include "SNAPSHOT.h"
29 #include "list.h"
30 #include "mnlg.h"
31 #include "json_writer.h"
32 #include "utils.h"
33
34 #define ESWITCH_MODE_LEGACY "legacy"
35 #define ESWITCH_MODE_SWITCHDEV "switchdev"
36 #define ESWITCH_INLINE_MODE_NONE "none"
37 #define ESWITCH_INLINE_MODE_LINK "link"
38 #define ESWITCH_INLINE_MODE_NETWORK "network"
39 #define ESWITCH_INLINE_MODE_TRANSPORT "transport"
40
41 #define PARAM_CMODE_RUNTIME_STR "runtime"
42 #define PARAM_CMODE_DRIVERINIT_STR "driverinit"
43 #define PARAM_CMODE_PERMANENT_STR "permanent"
44 #define DL_ARGS_REQUIRED_MAX_ERR_LEN 80
45
46 #define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy"
47 #define HEALTH_REPORTER_STATE_ERROR_STR "error"
48 #define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
49
50 static int g_new_line_count;
51
52 #define pr_err(args...) fprintf(stderr, ##args)
53 #define pr_out(args...) \
54 do { \
55 if (g_indent_newline) { \
56 fprintf(stdout, "%s", g_indent_str); \
57 g_indent_newline = false; \
58 } \
59 fprintf(stdout, ##args); \
60 g_new_line_count = 0; \
61 } while (0)
62
63 #define pr_out_sp(num, args...) \
64 do { \
65 int ret = fprintf(stdout, ##args); \
66 if (ret < num) \
67 fprintf(stdout, "%*s", num - ret, ""); \
68 g_new_line_count = 0; \
69 } while (0)
70
71 static int g_indent_level;
72 static bool g_indent_newline;
73 #define INDENT_STR_STEP 2
74 #define INDENT_STR_MAXLEN 32
75 static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
76
77 static void __pr_out_indent_inc(void)
78 {
79 if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
80 return;
81 g_indent_level += INDENT_STR_STEP;
82 memset(g_indent_str, ' ', sizeof(g_indent_str));
83 g_indent_str[g_indent_level] = '\0';
84 }
85
86 static void __pr_out_indent_dec(void)
87 {
88 if (g_indent_level - INDENT_STR_STEP < 0)
89 return;
90 g_indent_level -= INDENT_STR_STEP;
91 g_indent_str[g_indent_level] = '\0';
92 }
93
94 static void __pr_out_newline(void)
95 {
96 if (g_new_line_count < 1) {
97 pr_out("\n");
98 g_indent_newline = true;
99 }
100 g_new_line_count++;
101 }
102
103 static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
104 mnl_cb_t data_cb, void *data)
105 {
106 int err;
107
108 err = mnlg_socket_recv_run(nlg, data_cb, data);
109 if (err < 0) {
110 pr_err("devlink answers: %s\n", strerror(errno));
111 return -errno;
112 }
113 return 0;
114 }
115
116 static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
117 const struct nlmsghdr *nlh,
118 mnl_cb_t data_cb, void *data)
119 {
120 int err;
121
122 err = mnlg_socket_send(nlg, nlh);
123 if (err < 0) {
124 pr_err("Failed to call mnlg_socket_send\n");
125 return -errno;
126 }
127 return _mnlg_socket_recv_run(nlg, data_cb, data);
128 }
129
130 static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
131 const char *group_name)
132 {
133 int err;
134
135 err = mnlg_socket_group_add(nlg, group_name);
136 if (err < 0) {
137 pr_err("Failed to call mnlg_socket_group_add\n");
138 return -errno;
139 }
140 return 0;
141 }
142
143 struct ifname_map {
144 struct list_head list;
145 char *bus_name;
146 char *dev_name;
147 uint32_t port_index;
148 char *ifname;
149 };
150
151 static struct ifname_map *ifname_map_alloc(const char *bus_name,
152 const char *dev_name,
153 uint32_t port_index,
154 const char *ifname)
155 {
156 struct ifname_map *ifname_map;
157
158 ifname_map = calloc(1, sizeof(*ifname_map));
159 if (!ifname_map)
160 return NULL;
161 ifname_map->bus_name = strdup(bus_name);
162 ifname_map->dev_name = strdup(dev_name);
163 ifname_map->port_index = port_index;
164 ifname_map->ifname = strdup(ifname);
165 if (!ifname_map->bus_name || !ifname_map->dev_name ||
166 !ifname_map->ifname) {
167 free(ifname_map->ifname);
168 free(ifname_map->dev_name);
169 free(ifname_map->bus_name);
170 free(ifname_map);
171 return NULL;
172 }
173 return ifname_map;
174 }
175
176 static void ifname_map_free(struct ifname_map *ifname_map)
177 {
178 free(ifname_map->ifname);
179 free(ifname_map->dev_name);
180 free(ifname_map->bus_name);
181 free(ifname_map);
182 }
183
184 #define DL_OPT_HANDLE BIT(0)
185 #define DL_OPT_HANDLEP BIT(1)
186 #define DL_OPT_PORT_TYPE BIT(2)
187 #define DL_OPT_PORT_COUNT BIT(3)
188 #define DL_OPT_SB BIT(4)
189 #define DL_OPT_SB_POOL BIT(5)
190 #define DL_OPT_SB_SIZE BIT(6)
191 #define DL_OPT_SB_TYPE BIT(7)
192 #define DL_OPT_SB_THTYPE BIT(8)
193 #define DL_OPT_SB_TH BIT(9)
194 #define DL_OPT_SB_TC BIT(10)
195 #define DL_OPT_ESWITCH_MODE BIT(11)
196 #define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
197 #define DL_OPT_DPIPE_TABLE_NAME BIT(13)
198 #define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
199 #define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
200 #define DL_OPT_RESOURCE_PATH BIT(16)
201 #define DL_OPT_RESOURCE_SIZE BIT(17)
202 #define DL_OPT_PARAM_NAME BIT(18)
203 #define DL_OPT_PARAM_VALUE BIT(19)
204 #define DL_OPT_PARAM_CMODE BIT(20)
205 #define DL_OPT_HANDLE_REGION BIT(21)
206 #define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
207 #define DL_OPT_REGION_ADDRESS BIT(23)
208 #define DL_OPT_REGION_LENGTH BIT(24)
209 #define DL_OPT_FLASH_FILE_NAME BIT(25)
210 #define DL_OPT_FLASH_COMPONENT BIT(26)
211 #define DL_OPT_HEALTH_REPORTER_NAME BIT(27)
212
213 struct dl_opts {
214 uint32_t present; /* flags of present items */
215 char *bus_name;
216 char *dev_name;
217 uint32_t port_index;
218 enum devlink_port_type port_type;
219 uint32_t port_count;
220 uint32_t sb_index;
221 uint16_t sb_pool_index;
222 uint32_t sb_pool_size;
223 enum devlink_sb_pool_type sb_pool_type;
224 enum devlink_sb_threshold_type sb_pool_thtype;
225 uint32_t sb_threshold;
226 uint16_t sb_tc_index;
227 enum devlink_eswitch_mode eswitch_mode;
228 enum devlink_eswitch_inline_mode eswitch_inline_mode;
229 const char *dpipe_table_name;
230 bool dpipe_counters_enable;
231 bool eswitch_encap_mode;
232 const char *resource_path;
233 uint32_t resource_size;
234 uint32_t resource_id;
235 bool resource_id_valid;
236 const char *param_name;
237 const char *param_value;
238 enum devlink_param_cmode cmode;
239 char *region_name;
240 uint32_t region_snapshot_id;
241 uint64_t region_address;
242 uint64_t region_length;
243 const char *flash_file_name;
244 const char *flash_component;
245 const char *reporter_name;
246 };
247
248 struct dl {
249 struct mnlg_socket *nlg;
250 struct list_head ifname_map_list;
251 int argc;
252 char **argv;
253 bool no_nice_names;
254 struct dl_opts opts;
255 json_writer_t *jw;
256 bool json_output;
257 bool pretty_output;
258 bool verbose;
259 struct {
260 bool present;
261 char *bus_name;
262 char *dev_name;
263 uint32_t port_index;
264 } arr_last;
265 };
266
267 static int dl_argc(struct dl *dl)
268 {
269 return dl->argc;
270 }
271
272 static char *dl_argv(struct dl *dl)
273 {
274 if (dl_argc(dl) == 0)
275 return NULL;
276 return *dl->argv;
277 }
278
279 static void dl_arg_inc(struct dl *dl)
280 {
281 if (dl_argc(dl) == 0)
282 return;
283 dl->argc--;
284 dl->argv++;
285 }
286
287 static char *dl_argv_next(struct dl *dl)
288 {
289 char *ret;
290
291 if (dl_argc(dl) == 0)
292 return NULL;
293
294 ret = *dl->argv;
295 dl_arg_inc(dl);
296 return ret;
297 }
298
299 static char *dl_argv_index(struct dl *dl, unsigned int index)
300 {
301 if (index >= dl_argc(dl))
302 return NULL;
303 return dl->argv[index];
304 }
305
306 static int strcmpx(const char *str1, const char *str2)
307 {
308 if (strlen(str1) > strlen(str2))
309 return -1;
310 return strncmp(str1, str2, strlen(str1));
311 }
312
313 static bool dl_argv_match(struct dl *dl, const char *pattern)
314 {
315 if (dl_argc(dl) == 0)
316 return false;
317 return strcmpx(dl_argv(dl), pattern) == 0;
318 }
319
320 static bool dl_no_arg(struct dl *dl)
321 {
322 return dl_argc(dl) == 0;
323 }
324
325 static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
326 [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
327 [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
328 [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
329 [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
330 [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
331 [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
332 [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
333 [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
334 [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
335 [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
336 [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
337 [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
338 [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
339 [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
340 [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
341 [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
342 [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
343 [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
344 [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
345 [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
346 [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
347 [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
348 [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
349 [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
350 [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
351 [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
352 [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
353 [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
354 [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
355 [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
356 [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
357 [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
358 [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
359 [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
360 [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
361 [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
362 [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
363 [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
364 [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
365 [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
366 [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
367 [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
368 [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
369 [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
370 [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
371 [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
372 [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
373 [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
374 [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
375 [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
376 [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
377 [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
378 [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
379 [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
380 [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
381 [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
382 [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
383 [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
384 [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
385 [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
386 [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
387 [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
388 [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
389 [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
390 [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
391 [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
392 [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
393 [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
394 [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
395 [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
396 [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
397 [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
398 [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
399 [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING,
400 [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING,
401 [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED,
402 [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED,
403 [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED,
404 [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING,
405 [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING,
406 [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED,
407 [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING,
408 [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8,
409 [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64,
410 [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
411 [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
412 [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
413 };
414
415 static int attr_cb(const struct nlattr *attr, void *data)
416 {
417 const struct nlattr **tb = data;
418 int type;
419
420 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
421 return MNL_CB_OK;
422
423 type = mnl_attr_get_type(attr);
424 if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
425 return MNL_CB_ERROR;
426
427 tb[type] = attr;
428 return MNL_CB_OK;
429 }
430
431 static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
432 {
433 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
434 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
435 struct dl *dl = data;
436 struct ifname_map *ifname_map;
437 const char *bus_name;
438 const char *dev_name;
439 uint32_t port_ifindex;
440 const char *port_ifname;
441
442 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
443 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
444 !tb[DEVLINK_ATTR_PORT_INDEX])
445 return MNL_CB_ERROR;
446
447 if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
448 return MNL_CB_OK;
449
450 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
451 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
452 port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
453 port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
454 ifname_map = ifname_map_alloc(bus_name, dev_name,
455 port_ifindex, port_ifname);
456 if (!ifname_map)
457 return MNL_CB_ERROR;
458 list_add(&ifname_map->list, &dl->ifname_map_list);
459
460 return MNL_CB_OK;
461 }
462
463 static void ifname_map_fini(struct dl *dl)
464 {
465 struct ifname_map *ifname_map, *tmp;
466
467 list_for_each_entry_safe(ifname_map, tmp,
468 &dl->ifname_map_list, list) {
469 list_del(&ifname_map->list);
470 ifname_map_free(ifname_map);
471 }
472 }
473
474 static int ifname_map_init(struct dl *dl)
475 {
476 struct nlmsghdr *nlh;
477 int err;
478
479 INIT_LIST_HEAD(&dl->ifname_map_list);
480
481 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
482 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
483
484 err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
485 if (err) {
486 ifname_map_fini(dl);
487 return err;
488 }
489 return 0;
490 }
491
492 static int ifname_map_lookup(struct dl *dl, const char *ifname,
493 char **p_bus_name, char **p_dev_name,
494 uint32_t *p_port_index)
495 {
496 struct ifname_map *ifname_map;
497
498 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
499 if (strcmp(ifname, ifname_map->ifname) == 0) {
500 *p_bus_name = ifname_map->bus_name;
501 *p_dev_name = ifname_map->dev_name;
502 *p_port_index = ifname_map->port_index;
503 return 0;
504 }
505 }
506 return -ENOENT;
507 }
508
509 static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
510 const char *dev_name, uint32_t port_index,
511 char **p_ifname)
512 {
513 struct ifname_map *ifname_map;
514
515 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
516 if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
517 strcmp(dev_name, ifname_map->dev_name) == 0 &&
518 port_index == ifname_map->port_index) {
519 *p_ifname = ifname_map->ifname;
520 return 0;
521 }
522 }
523 return -ENOENT;
524 }
525
526 static unsigned int strslashcount(char *str)
527 {
528 unsigned int count = 0;
529 char *pos = str;
530
531 while ((pos = strchr(pos, '/'))) {
532 count++;
533 pos++;
534 }
535 return count;
536 }
537
538 static int strslashrsplit(char *str, char **before, char **after)
539 {
540 char *slash;
541
542 slash = strrchr(str, '/');
543 if (!slash)
544 return -EINVAL;
545 *slash = '\0';
546 *before = str;
547 *after = slash + 1;
548 return 0;
549 }
550
551 static int strtouint64_t(const char *str, uint64_t *p_val)
552 {
553 char *endptr;
554 unsigned long long int val;
555
556 val = strtoull(str, &endptr, 10);
557 if (endptr == str || *endptr != '\0')
558 return -EINVAL;
559 if (val > ULONG_MAX)
560 return -ERANGE;
561 *p_val = val;
562 return 0;
563 }
564
565 static int strtouint32_t(const char *str, uint32_t *p_val)
566 {
567 char *endptr;
568 unsigned long int val;
569
570 val = strtoul(str, &endptr, 10);
571 if (endptr == str || *endptr != '\0')
572 return -EINVAL;
573 if (val > UINT_MAX)
574 return -ERANGE;
575 *p_val = val;
576 return 0;
577 }
578
579 static int strtouint16_t(const char *str, uint16_t *p_val)
580 {
581 char *endptr;
582 unsigned long int val;
583
584 val = strtoul(str, &endptr, 10);
585 if (endptr == str || *endptr != '\0')
586 return -EINVAL;
587 if (val > USHRT_MAX)
588 return -ERANGE;
589 *p_val = val;
590 return 0;
591 }
592
593 static int strtouint8_t(const char *str, uint8_t *p_val)
594 {
595 char *endptr;
596 unsigned long int val;
597
598 val = strtoul(str, &endptr, 10);
599 if (endptr == str || *endptr != '\0')
600 return -EINVAL;
601 if (val > UCHAR_MAX)
602 return -ERANGE;
603 *p_val = val;
604 return 0;
605 }
606
607 static int strtobool(const char *str, bool *p_val)
608 {
609 bool val;
610
611 if (!strcmp(str, "true") || !strcmp(str, "1"))
612 val = true;
613 else if (!strcmp(str, "false") || !strcmp(str, "0"))
614 val = false;
615 else
616 return -EINVAL;
617 *p_val = val;
618 return 0;
619 }
620
621 static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
622 {
623 strslashrsplit(str, p_bus_name, p_dev_name);
624 return 0;
625 }
626
627 static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
628 {
629 char *str = dl_argv_next(dl);
630
631 if (!str) {
632 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
633 return -EINVAL;
634 }
635 if (strslashcount(str) != 1) {
636 pr_err("Wrong devlink identification string format.\n");
637 pr_err("Expected \"bus_name/dev_name\".\n");
638 return -EINVAL;
639 }
640 return __dl_argv_handle(str, p_bus_name, p_dev_name);
641 }
642
643 static int __dl_argv_handle_port(char *str,
644 char **p_bus_name, char **p_dev_name,
645 uint32_t *p_port_index)
646 {
647 char *handlestr;
648 char *portstr;
649 int err;
650
651 err = strslashrsplit(str, &handlestr, &portstr);
652 if (err) {
653 pr_err("Port identification \"%s\" is invalid\n", str);
654 return err;
655 }
656 err = strtouint32_t(portstr, p_port_index);
657 if (err) {
658 pr_err("Port index \"%s\" is not a number or not within range\n",
659 portstr);
660 return err;
661 }
662 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
663 if (err) {
664 pr_err("Port identification \"%s\" is invalid\n", str);
665 return err;
666 }
667 return 0;
668 }
669
670 static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
671 char **p_bus_name, char **p_dev_name,
672 uint32_t *p_port_index)
673 {
674 int err;
675
676 err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
677 p_port_index);
678 if (err) {
679 pr_err("Netdevice \"%s\" not found\n", str);
680 return err;
681 }
682 return 0;
683 }
684
685 static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
686 char **p_dev_name, uint32_t *p_port_index)
687 {
688 char *str = dl_argv_next(dl);
689 unsigned int slash_count;
690
691 if (!str) {
692 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
693 return -EINVAL;
694 }
695 slash_count = strslashcount(str);
696 switch (slash_count) {
697 case 0:
698 return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
699 p_dev_name, p_port_index);
700 case 2:
701 return __dl_argv_handle_port(str, p_bus_name,
702 p_dev_name, p_port_index);
703 default:
704 pr_err("Wrong port identification string format.\n");
705 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
706 return -EINVAL;
707 }
708 }
709
710 static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
711 char **p_dev_name, uint32_t *p_port_index,
712 uint32_t *p_handle_bit)
713 {
714 char *str = dl_argv_next(dl);
715 unsigned int slash_count;
716 int err;
717
718 if (!str) {
719 pr_err("One of following identifications expected:\n"
720 "Devlink identification (\"bus_name/dev_name\")\n"
721 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
722 return -EINVAL;
723 }
724 slash_count = strslashcount(str);
725 if (slash_count == 1) {
726 err = __dl_argv_handle(str, p_bus_name, p_dev_name);
727 if (err)
728 return err;
729 *p_handle_bit = DL_OPT_HANDLE;
730 } else if (slash_count == 2) {
731 err = __dl_argv_handle_port(str, p_bus_name,
732 p_dev_name, p_port_index);
733 if (err)
734 return err;
735 *p_handle_bit = DL_OPT_HANDLEP;
736 } else if (slash_count == 0) {
737 err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
738 p_dev_name, p_port_index);
739 if (err)
740 return err;
741 *p_handle_bit = DL_OPT_HANDLEP;
742 } else {
743 pr_err("Wrong port identification string format.\n");
744 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
745 return -EINVAL;
746 }
747 return 0;
748 }
749
750 static int __dl_argv_handle_region(char *str, char **p_bus_name,
751 char **p_dev_name, char **p_region)
752 {
753 char *handlestr;
754 int err;
755
756 err = strslashrsplit(str, &handlestr, p_region);
757 if (err) {
758 pr_err("Region identification \"%s\" is invalid\n", str);
759 return err;
760 }
761 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
762 if (err) {
763 pr_err("Region identification \"%s\" is invalid\n", str);
764 return err;
765 }
766 return 0;
767 }
768
769 static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
770 char **p_dev_name, char **p_region)
771 {
772 char *str = dl_argv_next(dl);
773 unsigned int slash_count;
774
775 if (!str) {
776 pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
777 return -EINVAL;
778 }
779
780 slash_count = strslashcount(str);
781 if (slash_count != 2) {
782 pr_err("Wrong region identification string format.\n");
783 pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
784 return -EINVAL;
785 }
786
787 return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
788 }
789
790 static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
791 {
792 char *str = dl_argv_next(dl);
793 int err;
794
795 if (!str) {
796 pr_err("Unsigned number argument expected\n");
797 return -EINVAL;
798 }
799
800 err = strtouint64_t(str, p_val);
801 if (err) {
802 pr_err("\"%s\" is not a number or not within range\n", str);
803 return err;
804 }
805 return 0;
806 }
807
808 static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
809 {
810 char *str = dl_argv_next(dl);
811 int err;
812
813 if (!str) {
814 pr_err("Unsigned number argument expected\n");
815 return -EINVAL;
816 }
817
818 err = strtouint32_t(str, p_val);
819 if (err) {
820 pr_err("\"%s\" is not a number or not within range\n", str);
821 return err;
822 }
823 return 0;
824 }
825
826 static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
827 {
828 char *str = dl_argv_next(dl);
829 int err;
830
831 if (!str) {
832 pr_err("Unsigned number argument expected\n");
833 return -EINVAL;
834 }
835
836 err = strtouint16_t(str, p_val);
837 if (err) {
838 pr_err("\"%s\" is not a number or not within range\n", str);
839 return err;
840 }
841 return 0;
842 }
843
844 static int dl_argv_str(struct dl *dl, const char **p_str)
845 {
846 const char *str = dl_argv_next(dl);
847
848 if (!str) {
849 pr_err("String parameter expected\n");
850 return -EINVAL;
851 }
852 *p_str = str;
853 return 0;
854 }
855
856 static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
857 {
858 if (strcmp(typestr, "auto") == 0) {
859 *p_type = DEVLINK_PORT_TYPE_AUTO;
860 } else if (strcmp(typestr, "eth") == 0) {
861 *p_type = DEVLINK_PORT_TYPE_ETH;
862 } else if (strcmp(typestr, "ib") == 0) {
863 *p_type = DEVLINK_PORT_TYPE_IB;
864 } else {
865 pr_err("Unknown port type \"%s\"\n", typestr);
866 return -EINVAL;
867 }
868 return 0;
869 }
870
871 static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
872 {
873 if (strcmp(typestr, "ingress") == 0) {
874 *p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
875 } else if (strcmp(typestr, "egress") == 0) {
876 *p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
877 } else {
878 pr_err("Unknown pool type \"%s\"\n", typestr);
879 return -EINVAL;
880 }
881 return 0;
882 }
883
884 static int threshold_type_get(const char *typestr,
885 enum devlink_sb_threshold_type *p_type)
886 {
887 if (strcmp(typestr, "static") == 0) {
888 *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
889 } else if (strcmp(typestr, "dynamic") == 0) {
890 *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
891 } else {
892 pr_err("Unknown threshold type \"%s\"\n", typestr);
893 return -EINVAL;
894 }
895 return 0;
896 }
897
898 static int eswitch_mode_get(const char *typestr,
899 enum devlink_eswitch_mode *p_mode)
900 {
901 if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
902 *p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
903 } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
904 *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
905 } else {
906 pr_err("Unknown eswitch mode \"%s\"\n", typestr);
907 return -EINVAL;
908 }
909 return 0;
910 }
911
912 static int eswitch_inline_mode_get(const char *typestr,
913 enum devlink_eswitch_inline_mode *p_mode)
914 {
915 if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
916 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
917 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
918 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
919 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
920 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
921 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
922 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
923 } else {
924 pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
925 return -EINVAL;
926 }
927 return 0;
928 }
929
930 static int dpipe_counters_enable_get(const char *typestr,
931 bool *counters_enable)
932 {
933 if (strcmp(typestr, "enable") == 0) {
934 *counters_enable = 1;
935 } else if (strcmp(typestr, "disable") == 0) {
936 *counters_enable = 0;
937 } else {
938 pr_err("Unknown counter_state \"%s\"\n", typestr);
939 return -EINVAL;
940 }
941 return 0;
942 }
943
944 static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
945 {
946 if (strcmp(typestr, "enable") == 0) {
947 *p_mode = true;
948 } else if (strcmp(typestr, "disable") == 0) {
949 *p_mode = false;
950 } else {
951 pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
952 return -EINVAL;
953 }
954 return 0;
955 }
956
957 static int param_cmode_get(const char *cmodestr,
958 enum devlink_param_cmode *cmode)
959 {
960 if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
961 *cmode = DEVLINK_PARAM_CMODE_RUNTIME;
962 } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
963 *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
964 } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
965 *cmode = DEVLINK_PARAM_CMODE_PERMANENT;
966 } else {
967 pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
968 return -EINVAL;
969 }
970 return 0;
971 }
972
973 struct dl_args_metadata {
974 uint32_t o_flag;
975 char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
976 };
977
978 static const struct dl_args_metadata dl_args_required[] = {
979 {DL_OPT_PORT_TYPE, "Port type not set."},
980 {DL_OPT_PORT_COUNT, "Port split count option expected."},
981 {DL_OPT_SB_POOL, "Pool index option expected."},
982 {DL_OPT_SB_SIZE, "Pool size option expected."},
983 {DL_OPT_SB_TYPE, "Pool type option expected."},
984 {DL_OPT_SB_THTYPE, "Pool threshold type option expected."},
985 {DL_OPT_SB_TH, "Threshold option expected."},
986 {DL_OPT_SB_TC, "TC index option expected."},
987 {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."},
988 {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."},
989 {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."},
990 {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."},
991 {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."},
992 {DL_OPT_PARAM_NAME, "Parameter name expected."},
993 {DL_OPT_PARAM_VALUE, "Value to set expected."},
994 {DL_OPT_PARAM_CMODE, "Configuration mode expected."},
995 {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."},
996 {DL_OPT_REGION_ADDRESS, "Region address value expected."},
997 {DL_OPT_REGION_LENGTH, "Region length value expected."},
998 {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."},
999 };
1000
1001 static int dl_args_finding_required_validate(uint32_t o_required,
1002 uint32_t o_found)
1003 {
1004 uint32_t o_flag;
1005 int i;
1006
1007 for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) {
1008 o_flag = dl_args_required[i].o_flag;
1009 if ((o_required & o_flag) && !(o_found & o_flag)) {
1010 pr_err("%s\n", dl_args_required[i].err_msg);
1011 return -EINVAL;
1012 }
1013 }
1014 return 0;
1015 }
1016
1017 static int dl_argv_parse(struct dl *dl, uint32_t o_required,
1018 uint32_t o_optional)
1019 {
1020 struct dl_opts *opts = &dl->opts;
1021 uint32_t o_all = o_required | o_optional;
1022 uint32_t o_found = 0;
1023 int err;
1024
1025 if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
1026 uint32_t handle_bit;
1027
1028 err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
1029 &opts->port_index, &handle_bit);
1030 if (err)
1031 return err;
1032 o_found |= handle_bit;
1033 } else if (o_required & DL_OPT_HANDLE) {
1034 err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
1035 if (err)
1036 return err;
1037 o_found |= DL_OPT_HANDLE;
1038 } else if (o_required & DL_OPT_HANDLEP) {
1039 err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
1040 &opts->port_index);
1041 if (err)
1042 return err;
1043 o_found |= DL_OPT_HANDLEP;
1044 } else if (o_required & DL_OPT_HANDLE_REGION) {
1045 err = dl_argv_handle_region(dl, &opts->bus_name,
1046 &opts->dev_name,
1047 &opts->region_name);
1048 if (err)
1049 return err;
1050 o_found |= DL_OPT_HANDLE_REGION;
1051 }
1052
1053 while (dl_argc(dl)) {
1054 if (dl_argv_match(dl, "type") &&
1055 (o_all & DL_OPT_PORT_TYPE)) {
1056 const char *typestr;
1057
1058 dl_arg_inc(dl);
1059 err = dl_argv_str(dl, &typestr);
1060 if (err)
1061 return err;
1062 err = port_type_get(typestr, &opts->port_type);
1063 if (err)
1064 return err;
1065 o_found |= DL_OPT_PORT_TYPE;
1066 } else if (dl_argv_match(dl, "count") &&
1067 (o_all & DL_OPT_PORT_COUNT)) {
1068 dl_arg_inc(dl);
1069 err = dl_argv_uint32_t(dl, &opts->port_count);
1070 if (err)
1071 return err;
1072 o_found |= DL_OPT_PORT_COUNT;
1073 } else if (dl_argv_match(dl, "sb") &&
1074 (o_all & DL_OPT_SB)) {
1075 dl_arg_inc(dl);
1076 err = dl_argv_uint32_t(dl, &opts->sb_index);
1077 if (err)
1078 return err;
1079 o_found |= DL_OPT_SB;
1080 } else if (dl_argv_match(dl, "pool") &&
1081 (o_all & DL_OPT_SB_POOL)) {
1082 dl_arg_inc(dl);
1083 err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
1084 if (err)
1085 return err;
1086 o_found |= DL_OPT_SB_POOL;
1087 } else if (dl_argv_match(dl, "size") &&
1088 (o_all & DL_OPT_SB_SIZE)) {
1089 dl_arg_inc(dl);
1090 err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
1091 if (err)
1092 return err;
1093 o_found |= DL_OPT_SB_SIZE;
1094 } else if (dl_argv_match(dl, "type") &&
1095 (o_all & DL_OPT_SB_TYPE)) {
1096 const char *typestr;
1097
1098 dl_arg_inc(dl);
1099 err = dl_argv_str(dl, &typestr);
1100 if (err)
1101 return err;
1102 err = pool_type_get(typestr, &opts->sb_pool_type);
1103 if (err)
1104 return err;
1105 o_found |= DL_OPT_SB_TYPE;
1106 } else if (dl_argv_match(dl, "thtype") &&
1107 (o_all & DL_OPT_SB_THTYPE)) {
1108 const char *typestr;
1109
1110 dl_arg_inc(dl);
1111 err = dl_argv_str(dl, &typestr);
1112 if (err)
1113 return err;
1114 err = threshold_type_get(typestr,
1115 &opts->sb_pool_thtype);
1116 if (err)
1117 return err;
1118 o_found |= DL_OPT_SB_THTYPE;
1119 } else if (dl_argv_match(dl, "th") &&
1120 (o_all & DL_OPT_SB_TH)) {
1121 dl_arg_inc(dl);
1122 err = dl_argv_uint32_t(dl, &opts->sb_threshold);
1123 if (err)
1124 return err;
1125 o_found |= DL_OPT_SB_TH;
1126 } else if (dl_argv_match(dl, "tc") &&
1127 (o_all & DL_OPT_SB_TC)) {
1128 dl_arg_inc(dl);
1129 err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
1130 if (err)
1131 return err;
1132 o_found |= DL_OPT_SB_TC;
1133 } else if (dl_argv_match(dl, "mode") &&
1134 (o_all & DL_OPT_ESWITCH_MODE)) {
1135 const char *typestr;
1136
1137 dl_arg_inc(dl);
1138 err = dl_argv_str(dl, &typestr);
1139 if (err)
1140 return err;
1141 err = eswitch_mode_get(typestr, &opts->eswitch_mode);
1142 if (err)
1143 return err;
1144 o_found |= DL_OPT_ESWITCH_MODE;
1145 } else if (dl_argv_match(dl, "inline-mode") &&
1146 (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
1147 const char *typestr;
1148
1149 dl_arg_inc(dl);
1150 err = dl_argv_str(dl, &typestr);
1151 if (err)
1152 return err;
1153 err = eswitch_inline_mode_get(
1154 typestr, &opts->eswitch_inline_mode);
1155 if (err)
1156 return err;
1157 o_found |= DL_OPT_ESWITCH_INLINE_MODE;
1158 } else if (dl_argv_match(dl, "name") &&
1159 (o_all & DL_OPT_DPIPE_TABLE_NAME)) {
1160 dl_arg_inc(dl);
1161 err = dl_argv_str(dl, &opts->dpipe_table_name);
1162 if (err)
1163 return err;
1164 o_found |= DL_OPT_DPIPE_TABLE_NAME;
1165 } else if (dl_argv_match(dl, "counters") &&
1166 (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
1167 const char *typestr;
1168
1169 dl_arg_inc(dl);
1170 err = dl_argv_str(dl, &typestr);
1171 if (err)
1172 return err;
1173 err = dpipe_counters_enable_get(typestr,
1174 &opts->dpipe_counters_enable);
1175 if (err)
1176 return err;
1177 o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
1178 } else if (dl_argv_match(dl, "encap") &&
1179 (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
1180 const char *typestr;
1181
1182 dl_arg_inc(dl);
1183 err = dl_argv_str(dl, &typestr);
1184 if (err)
1185 return err;
1186 err = eswitch_encap_mode_get(typestr,
1187 &opts->eswitch_encap_mode);
1188 if (err)
1189 return err;
1190 o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
1191 } else if (dl_argv_match(dl, "path") &&
1192 (o_all & DL_OPT_RESOURCE_PATH)) {
1193 dl_arg_inc(dl);
1194 err = dl_argv_str(dl, &opts->resource_path);
1195 if (err)
1196 return err;
1197 o_found |= DL_OPT_RESOURCE_PATH;
1198 } else if (dl_argv_match(dl, "size") &&
1199 (o_all & DL_OPT_RESOURCE_SIZE)) {
1200 dl_arg_inc(dl);
1201 err = dl_argv_uint32_t(dl, &opts->resource_size);
1202 if (err)
1203 return err;
1204 o_found |= DL_OPT_RESOURCE_SIZE;
1205 } else if (dl_argv_match(dl, "name") &&
1206 (o_all & DL_OPT_PARAM_NAME)) {
1207 dl_arg_inc(dl);
1208 err = dl_argv_str(dl, &opts->param_name);
1209 if (err)
1210 return err;
1211 o_found |= DL_OPT_PARAM_NAME;
1212 } else if (dl_argv_match(dl, "value") &&
1213 (o_all & DL_OPT_PARAM_VALUE)) {
1214 dl_arg_inc(dl);
1215 err = dl_argv_str(dl, &opts->param_value);
1216 if (err)
1217 return err;
1218 o_found |= DL_OPT_PARAM_VALUE;
1219 } else if (dl_argv_match(dl, "cmode") &&
1220 (o_all & DL_OPT_PARAM_CMODE)) {
1221 const char *cmodestr;
1222
1223 dl_arg_inc(dl);
1224 err = dl_argv_str(dl, &cmodestr);
1225 if (err)
1226 return err;
1227 err = param_cmode_get(cmodestr, &opts->cmode);
1228 if (err)
1229 return err;
1230 o_found |= DL_OPT_PARAM_CMODE;
1231 } else if (dl_argv_match(dl, "snapshot") &&
1232 (o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
1233 dl_arg_inc(dl);
1234 err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
1235 if (err)
1236 return err;
1237 o_found |= DL_OPT_REGION_SNAPSHOT_ID;
1238 } else if (dl_argv_match(dl, "address") &&
1239 (o_all & DL_OPT_REGION_ADDRESS)) {
1240 dl_arg_inc(dl);
1241 err = dl_argv_uint64_t(dl, &opts->region_address);
1242 if (err)
1243 return err;
1244 o_found |= DL_OPT_REGION_ADDRESS;
1245 } else if (dl_argv_match(dl, "length") &&
1246 (o_all & DL_OPT_REGION_LENGTH)) {
1247 dl_arg_inc(dl);
1248 err = dl_argv_uint64_t(dl, &opts->region_length);
1249 if (err)
1250 return err;
1251 o_found |= DL_OPT_REGION_LENGTH;
1252 } else if (dl_argv_match(dl, "file") &&
1253 (o_all & DL_OPT_FLASH_FILE_NAME)) {
1254 dl_arg_inc(dl);
1255 err = dl_argv_str(dl, &opts->flash_file_name);
1256 if (err)
1257 return err;
1258 o_found |= DL_OPT_FLASH_FILE_NAME;
1259 } else if (dl_argv_match(dl, "component") &&
1260 (o_all & DL_OPT_FLASH_COMPONENT)) {
1261 dl_arg_inc(dl);
1262 err = dl_argv_str(dl, &opts->flash_component);
1263 if (err)
1264 return err;
1265 o_found |= DL_OPT_FLASH_COMPONENT;
1266 } else if (dl_argv_match(dl, "reporter") &&
1267 (o_all & DL_OPT_HEALTH_REPORTER_NAME)) {
1268 dl_arg_inc(dl);
1269 err = dl_argv_str(dl, &opts->reporter_name);
1270 if (err)
1271 return err;
1272 o_found |= DL_OPT_HEALTH_REPORTER_NAME;
1273 } else {
1274 pr_err("Unknown option \"%s\"\n", dl_argv(dl));
1275 return -EINVAL;
1276 }
1277 }
1278
1279 opts->present = o_found;
1280
1281 if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
1282 opts->sb_index = 0;
1283 opts->present |= DL_OPT_SB;
1284 }
1285
1286 return dl_args_finding_required_validate(o_required, o_found);
1287 }
1288
1289 static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
1290 {
1291 struct dl_opts *opts = &dl->opts;
1292
1293 if (opts->present & DL_OPT_HANDLE) {
1294 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1295 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1296 } else if (opts->present & DL_OPT_HANDLEP) {
1297 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1298 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1299 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
1300 opts->port_index);
1301 } else if (opts->present & DL_OPT_HANDLE_REGION) {
1302 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1303 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1304 mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME,
1305 opts->region_name);
1306 }
1307 if (opts->present & DL_OPT_PORT_TYPE)
1308 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
1309 opts->port_type);
1310 if (opts->present & DL_OPT_PORT_COUNT)
1311 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
1312 opts->port_count);
1313 if (opts->present & DL_OPT_SB)
1314 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
1315 opts->sb_index);
1316 if (opts->present & DL_OPT_SB_POOL)
1317 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
1318 opts->sb_pool_index);
1319 if (opts->present & DL_OPT_SB_SIZE)
1320 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
1321 opts->sb_pool_size);
1322 if (opts->present & DL_OPT_SB_TYPE)
1323 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
1324 opts->sb_pool_type);
1325 if (opts->present & DL_OPT_SB_THTYPE)
1326 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
1327 opts->sb_pool_thtype);
1328 if (opts->present & DL_OPT_SB_TH)
1329 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
1330 opts->sb_threshold);
1331 if (opts->present & DL_OPT_SB_TC)
1332 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
1333 opts->sb_tc_index);
1334 if (opts->present & DL_OPT_ESWITCH_MODE)
1335 mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
1336 opts->eswitch_mode);
1337 if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
1338 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
1339 opts->eswitch_inline_mode);
1340 if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
1341 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
1342 opts->dpipe_table_name);
1343 if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
1344 mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
1345 opts->dpipe_counters_enable);
1346 if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
1347 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
1348 opts->eswitch_encap_mode);
1349 if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
1350 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
1351 opts->resource_id);
1352 if (opts->present & DL_OPT_RESOURCE_SIZE)
1353 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
1354 opts->resource_size);
1355 if (opts->present & DL_OPT_PARAM_NAME)
1356 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
1357 opts->param_name);
1358 if (opts->present & DL_OPT_PARAM_CMODE)
1359 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
1360 opts->cmode);
1361 if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
1362 mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
1363 opts->region_snapshot_id);
1364 if (opts->present & DL_OPT_REGION_ADDRESS)
1365 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
1366 opts->region_address);
1367 if (opts->present & DL_OPT_REGION_LENGTH)
1368 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
1369 opts->region_length);
1370 if (opts->present & DL_OPT_FLASH_FILE_NAME)
1371 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME,
1372 opts->flash_file_name);
1373 if (opts->present & DL_OPT_FLASH_COMPONENT)
1374 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT,
1375 opts->flash_component);
1376 if (opts->present & DL_OPT_HEALTH_REPORTER_NAME)
1377 mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
1378 opts->reporter_name);
1379 }
1380
1381 static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
1382 uint32_t o_required, uint32_t o_optional)
1383 {
1384 int err;
1385
1386 err = dl_argv_parse(dl, o_required, o_optional);
1387 if (err)
1388 return err;
1389 dl_opts_put(nlh, dl);
1390 return 0;
1391 }
1392
1393 static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
1394 {
1395 struct dl_opts *opts = &dl->opts;
1396 struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
1397 struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
1398 struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
1399 struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
1400
1401 if (opts->present & DL_OPT_HANDLE &&
1402 attr_bus_name && attr_dev_name) {
1403 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1404 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1405
1406 if (strcmp(bus_name, opts->bus_name) != 0 ||
1407 strcmp(dev_name, opts->dev_name) != 0)
1408 return false;
1409 }
1410 if (opts->present & DL_OPT_HANDLEP &&
1411 attr_bus_name && attr_dev_name && attr_port_index) {
1412 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1413 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1414 uint32_t port_index = mnl_attr_get_u32(attr_port_index);
1415
1416 if (strcmp(bus_name, opts->bus_name) != 0 ||
1417 strcmp(dev_name, opts->dev_name) != 0 ||
1418 port_index != opts->port_index)
1419 return false;
1420 }
1421 if (opts->present & DL_OPT_SB && attr_sb_index) {
1422 uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
1423
1424 if (sb_index != opts->sb_index)
1425 return false;
1426 }
1427 return true;
1428 }
1429
1430 static void cmd_dev_help(void)
1431 {
1432 pr_err("Usage: devlink dev show [ DEV ]\n");
1433 pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
1434 pr_err(" [ inline-mode { none | link | network | transport } ]\n");
1435 pr_err(" [ encap { disable | enable } ]\n");
1436 pr_err(" devlink dev eswitch show DEV\n");
1437 pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
1438 pr_err(" devlink dev param show [DEV name PARAMETER]\n");
1439 pr_err(" devlink dev reload DEV\n");
1440 pr_err(" devlink dev info [ DEV ]\n");
1441 pr_err(" devlink dev flash DEV file PATH [ component NAME ]\n");
1442 }
1443
1444 static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
1445 const char *dev_name)
1446 {
1447 if (!dl->arr_last.present)
1448 return false;
1449 return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
1450 strcmp(dl->arr_last.dev_name, dev_name) == 0;
1451 }
1452
1453 static void arr_last_handle_set(struct dl *dl, const char *bus_name,
1454 const char *dev_name)
1455 {
1456 dl->arr_last.present = true;
1457 free(dl->arr_last.dev_name);
1458 free(dl->arr_last.bus_name);
1459 dl->arr_last.bus_name = strdup(bus_name);
1460 dl->arr_last.dev_name = strdup(dev_name);
1461 }
1462
1463 static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
1464 const char *dev_name)
1465 {
1466 return !cmp_arr_last_handle(dl, bus_name, dev_name);
1467 }
1468
1469 static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
1470 const char *dev_name)
1471 {
1472 return dl->arr_last.present &&
1473 !cmp_arr_last_handle(dl, bus_name, dev_name);
1474 }
1475
1476 static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
1477 bool content, bool array)
1478 {
1479 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1480 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1481 char buf[32];
1482
1483 sprintf(buf, "%s/%s", bus_name, dev_name);
1484
1485 if (dl->json_output) {
1486 if (array) {
1487 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1488 jsonw_end_array(dl->jw);
1489 if (should_arr_last_handle_start(dl, bus_name,
1490 dev_name)) {
1491 jsonw_name(dl->jw, buf);
1492 jsonw_start_array(dl->jw);
1493 jsonw_start_object(dl->jw);
1494 arr_last_handle_set(dl, bus_name, dev_name);
1495 } else {
1496 jsonw_start_object(dl->jw);
1497 }
1498 } else {
1499 jsonw_name(dl->jw, buf);
1500 jsonw_start_object(dl->jw);
1501 }
1502 } else {
1503 if (array) {
1504 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1505 __pr_out_indent_dec();
1506 if (should_arr_last_handle_start(dl, bus_name,
1507 dev_name)) {
1508 pr_out("%s%s", buf, content ? ":" : "");
1509 __pr_out_newline();
1510 __pr_out_indent_inc();
1511 arr_last_handle_set(dl, bus_name, dev_name);
1512 }
1513 } else {
1514 pr_out("%s%s", buf, content ? ":" : "");
1515 }
1516 }
1517 }
1518
1519 static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
1520 {
1521 __pr_out_handle_start(dl, tb, true, true);
1522 }
1523
1524 static void pr_out_handle_end(struct dl *dl)
1525 {
1526 if (dl->json_output)
1527 jsonw_end_object(dl->jw);
1528 else
1529 __pr_out_newline();
1530 }
1531
1532 static void pr_out_handle(struct dl *dl, struct nlattr **tb)
1533 {
1534 __pr_out_handle_start(dl, tb, false, false);
1535 pr_out_handle_end(dl);
1536 }
1537
1538 static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
1539 const char *dev_name, uint32_t port_index)
1540 {
1541 return cmp_arr_last_handle(dl, bus_name, dev_name) &&
1542 dl->arr_last.port_index == port_index;
1543 }
1544
1545 static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
1546 const char *dev_name, uint32_t port_index)
1547 {
1548 arr_last_handle_set(dl, bus_name, dev_name);
1549 dl->arr_last.port_index = port_index;
1550 }
1551
1552 static bool should_arr_last_port_handle_start(struct dl *dl,
1553 const char *bus_name,
1554 const char *dev_name,
1555 uint32_t port_index)
1556 {
1557 return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1558 }
1559
1560 static bool should_arr_last_port_handle_end(struct dl *dl,
1561 const char *bus_name,
1562 const char *dev_name,
1563 uint32_t port_index)
1564 {
1565 return dl->arr_last.present &&
1566 !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1567 }
1568
1569 static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
1570 const char *dev_name,
1571 uint32_t port_index, bool try_nice,
1572 bool array)
1573 {
1574 static char buf[32];
1575 char *ifname = NULL;
1576
1577 if (dl->no_nice_names || !try_nice ||
1578 ifname_map_rev_lookup(dl, bus_name, dev_name,
1579 port_index, &ifname) != 0)
1580 sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
1581 else
1582 sprintf(buf, "%s", ifname);
1583
1584 if (dl->json_output) {
1585 if (array) {
1586 if (should_arr_last_port_handle_end(dl, bus_name,
1587 dev_name,
1588 port_index))
1589 jsonw_end_array(dl->jw);
1590 if (should_arr_last_port_handle_start(dl, bus_name,
1591 dev_name,
1592 port_index)) {
1593 jsonw_name(dl->jw, buf);
1594 jsonw_start_array(dl->jw);
1595 jsonw_start_object(dl->jw);
1596 arr_last_port_handle_set(dl, bus_name, dev_name,
1597 port_index);
1598 } else {
1599 jsonw_start_object(dl->jw);
1600 }
1601 } else {
1602 jsonw_name(dl->jw, buf);
1603 jsonw_start_object(dl->jw);
1604 }
1605 } else {
1606 pr_out("%s:", buf);
1607 }
1608 }
1609
1610 static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
1611 {
1612 const char *bus_name;
1613 const char *dev_name;
1614 uint32_t port_index;
1615
1616 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1617 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1618 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1619 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
1620 }
1621
1622 static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
1623 {
1624 const char *bus_name;
1625 const char *dev_name;
1626 uint32_t port_index;
1627
1628 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1629 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1630 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1631 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
1632 }
1633
1634 static void pr_out_port_handle_end(struct dl *dl)
1635 {
1636 if (dl->json_output)
1637 jsonw_end_object(dl->jw);
1638 else
1639 pr_out("\n");
1640 }
1641
1642
1643 static void pr_out_str(struct dl *dl, const char *name, const char *val)
1644 {
1645 if (dl->json_output) {
1646 jsonw_string_field(dl->jw, name, val);
1647 } else {
1648 if (g_indent_newline)
1649 pr_out("%s %s", name, val);
1650 else
1651 pr_out(" %s %s", name, val);
1652 }
1653 }
1654
1655 static void pr_out_bool(struct dl *dl, const char *name, bool val)
1656 {
1657 if (dl->json_output)
1658 jsonw_bool_field(dl->jw, name, val);
1659 else
1660 pr_out_str(dl, name, val ? "true" : "false");
1661 }
1662
1663 static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
1664 {
1665 if (dl->json_output) {
1666 jsonw_uint_field(dl->jw, name, val);
1667 } else {
1668 if (g_indent_newline)
1669 pr_out("%s %u", name, val);
1670 else
1671 pr_out(" %s %u", name, val);
1672 }
1673 }
1674
1675 static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
1676 {
1677 if (val == (uint64_t) -1)
1678 return pr_out_str(dl, name, "unlimited");
1679
1680 if (dl->json_output) {
1681 jsonw_u64_field(dl->jw, name, val);
1682 } else {
1683 if (g_indent_newline)
1684 pr_out("%s %lu", name, val);
1685 else
1686 pr_out(" %s %lu", name, val);
1687 }
1688 }
1689
1690 static void pr_out_bool_value(struct dl *dl, bool value)
1691 {
1692 if (dl->json_output)
1693 jsonw_bool(dl->jw, value);
1694 else
1695 pr_out(" %s", value ? "true" : "false");
1696 }
1697
1698 static void pr_out_uint_value(struct dl *dl, unsigned int value)
1699 {
1700 if (dl->json_output)
1701 jsonw_uint(dl->jw, value);
1702 else
1703 pr_out(" %u", value);
1704 }
1705
1706 static void pr_out_uint64_value(struct dl *dl, uint64_t value)
1707 {
1708 if (dl->json_output)
1709 jsonw_u64(dl->jw, value);
1710 else
1711 pr_out(" %lu", value);
1712 }
1713
1714 static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
1715 {
1716 int i = 1;
1717
1718 if (dl->json_output)
1719 jsonw_start_array(dl->jw);
1720 else
1721 pr_out("\n");
1722
1723 while (i < len) {
1724 if (dl->json_output) {
1725 jsonw_printf(dl->jw, "%d", data[i]);
1726 } else {
1727 pr_out(" %02x", data[i]);
1728 if (!(i % 16))
1729 pr_out("\n");
1730 }
1731 i++;
1732 }
1733 if (dl->json_output)
1734 jsonw_end_array(dl->jw);
1735 else if ((i - 1) % 16)
1736 pr_out("\n");
1737 }
1738
1739 static void pr_out_str_value(struct dl *dl, const char *value)
1740 {
1741 if (dl->json_output)
1742 jsonw_string(dl->jw, value);
1743 else
1744 pr_out(" %s", value);
1745 }
1746
1747 static void pr_out_name(struct dl *dl, const char *name)
1748 {
1749 if (dl->json_output)
1750 jsonw_name(dl->jw, name);
1751 else
1752 pr_out(" %s:", name);
1753 }
1754
1755 static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
1756 {
1757 if (dl->json_output) {
1758 jsonw_name(dl->jw, "address");
1759 jsonw_uint(dl->jw, addr);
1760 jsonw_name(dl->jw, "data");
1761 jsonw_start_array(dl->jw);
1762 }
1763 }
1764
1765 static void pr_out_region_chunk_end(struct dl *dl)
1766 {
1767 if (dl->json_output)
1768 jsonw_end_array(dl->jw);
1769 }
1770
1771 static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
1772 uint64_t addr)
1773 {
1774 static uint64_t align_val;
1775 uint32_t i = 0;
1776
1777 pr_out_region_chunk_start(dl, addr);
1778 while (i < len) {
1779 if (!dl->json_output)
1780 if (!(align_val % 16))
1781 pr_out("%s%016"PRIx64" ",
1782 align_val ? "\n" : "",
1783 addr);
1784
1785 align_val++;
1786
1787 if (dl->json_output)
1788 jsonw_printf(dl->jw, "%d", data[i]);
1789 else
1790 pr_out("%02x ", data[i]);
1791
1792 addr++;
1793 i++;
1794 }
1795 pr_out_region_chunk_end(dl);
1796 }
1797
1798 static void pr_out_dev(struct dl *dl, struct nlattr **tb)
1799 {
1800 pr_out_handle(dl, tb);
1801 }
1802
1803 static void pr_out_section_start(struct dl *dl, const char *name)
1804 {
1805 if (dl->json_output) {
1806 jsonw_start_object(dl->jw);
1807 jsonw_name(dl->jw, name);
1808 jsonw_start_object(dl->jw);
1809 }
1810 }
1811
1812 static void pr_out_section_end(struct dl *dl)
1813 {
1814 if (dl->json_output) {
1815 if (dl->arr_last.present)
1816 jsonw_end_array(dl->jw);
1817 jsonw_end_object(dl->jw);
1818 jsonw_end_object(dl->jw);
1819 }
1820 }
1821
1822 static void pr_out_array_start(struct dl *dl, const char *name)
1823 {
1824 if (dl->json_output) {
1825 jsonw_name(dl->jw, name);
1826 jsonw_start_array(dl->jw);
1827 } else {
1828 __pr_out_indent_inc();
1829 __pr_out_newline();
1830 pr_out("%s:", name);
1831 __pr_out_indent_inc();
1832 __pr_out_newline();
1833 }
1834 }
1835
1836 static void pr_out_array_end(struct dl *dl)
1837 {
1838 if (dl->json_output) {
1839 jsonw_end_array(dl->jw);
1840 } else {
1841 __pr_out_indent_dec();
1842 __pr_out_indent_dec();
1843 }
1844 }
1845
1846 static void pr_out_object_start(struct dl *dl, const char *name)
1847 {
1848 if (dl->json_output) {
1849 jsonw_name(dl->jw, name);
1850 jsonw_start_object(dl->jw);
1851 } else {
1852 __pr_out_indent_inc();
1853 __pr_out_newline();
1854 pr_out("%s:", name);
1855 __pr_out_indent_inc();
1856 __pr_out_newline();
1857 }
1858 }
1859
1860 static void pr_out_object_end(struct dl *dl)
1861 {
1862 if (dl->json_output) {
1863 jsonw_end_object(dl->jw);
1864 } else {
1865 __pr_out_indent_dec();
1866 __pr_out_indent_dec();
1867 }
1868 }
1869
1870 static void pr_out_entry_start(struct dl *dl)
1871 {
1872 if (dl->json_output)
1873 jsonw_start_object(dl->jw);
1874 }
1875
1876 static void pr_out_entry_end(struct dl *dl)
1877 {
1878 if (dl->json_output)
1879 jsonw_end_object(dl->jw);
1880 else
1881 __pr_out_newline();
1882 }
1883
1884 static const char *param_cmode_name(uint8_t cmode)
1885 {
1886 switch (cmode) {
1887 case DEVLINK_PARAM_CMODE_RUNTIME:
1888 return PARAM_CMODE_RUNTIME_STR;
1889 case DEVLINK_PARAM_CMODE_DRIVERINIT:
1890 return PARAM_CMODE_DRIVERINIT_STR;
1891 case DEVLINK_PARAM_CMODE_PERMANENT:
1892 return PARAM_CMODE_PERMANENT_STR;
1893 default: return "<unknown type>";
1894 }
1895 }
1896
1897 static const char *eswitch_mode_name(uint32_t mode)
1898 {
1899 switch (mode) {
1900 case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
1901 case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
1902 default: return "<unknown mode>";
1903 }
1904 }
1905
1906 static const char *eswitch_inline_mode_name(uint32_t mode)
1907 {
1908 switch (mode) {
1909 case DEVLINK_ESWITCH_INLINE_MODE_NONE:
1910 return ESWITCH_INLINE_MODE_NONE;
1911 case DEVLINK_ESWITCH_INLINE_MODE_LINK:
1912 return ESWITCH_INLINE_MODE_LINK;
1913 case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
1914 return ESWITCH_INLINE_MODE_NETWORK;
1915 case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
1916 return ESWITCH_INLINE_MODE_TRANSPORT;
1917 default:
1918 return "<unknown mode>";
1919 }
1920 }
1921
1922 static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
1923 {
1924 __pr_out_handle_start(dl, tb, true, false);
1925
1926 if (tb[DEVLINK_ATTR_ESWITCH_MODE])
1927 pr_out_str(dl, "mode",
1928 eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
1929
1930 if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
1931 pr_out_str(dl, "inline-mode",
1932 eswitch_inline_mode_name(mnl_attr_get_u8(
1933 tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
1934
1935 if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
1936 bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
1937
1938 pr_out_str(dl, "encap", encap_mode ? "enable" : "disable");
1939 }
1940
1941 pr_out_handle_end(dl);
1942 }
1943
1944 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
1945 {
1946 struct dl *dl = data;
1947 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
1948 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
1949
1950 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
1951 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
1952 return MNL_CB_ERROR;
1953 pr_out_eswitch(dl, tb);
1954 return MNL_CB_OK;
1955 }
1956
1957 static int cmd_dev_eswitch_show(struct dl *dl)
1958 {
1959 struct nlmsghdr *nlh;
1960 int err;
1961
1962 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
1963 NLM_F_REQUEST | NLM_F_ACK);
1964
1965 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
1966 if (err)
1967 return err;
1968
1969 pr_out_section_start(dl, "dev");
1970 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
1971 pr_out_section_end(dl);
1972 return err;
1973 }
1974
1975 static int cmd_dev_eswitch_set(struct dl *dl)
1976 {
1977 struct nlmsghdr *nlh;
1978 int err;
1979
1980 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
1981 NLM_F_REQUEST | NLM_F_ACK);
1982
1983 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
1984 DL_OPT_ESWITCH_MODE |
1985 DL_OPT_ESWITCH_INLINE_MODE |
1986 DL_OPT_ESWITCH_ENCAP_MODE);
1987
1988 if (err)
1989 return err;
1990
1991 if (dl->opts.present == 1) {
1992 pr_err("Need to set at least one option\n");
1993 return -ENOENT;
1994 }
1995
1996 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
1997 }
1998
1999 static int cmd_dev_eswitch(struct dl *dl)
2000 {
2001 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2002 cmd_dev_help();
2003 return 0;
2004 } else if (dl_argv_match(dl, "set")) {
2005 dl_arg_inc(dl);
2006 return cmd_dev_eswitch_set(dl);
2007 } else if (dl_argv_match(dl, "show")) {
2008 dl_arg_inc(dl);
2009 return cmd_dev_eswitch_show(dl);
2010 }
2011 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2012 return -ENOENT;
2013 }
2014
2015 struct param_val_conv {
2016 const char *name;
2017 const char *vstr;
2018 uint32_t vuint;
2019 };
2020
2021 static bool param_val_conv_exists(const struct param_val_conv *param_val_conv,
2022 uint32_t len, const char *name)
2023 {
2024 uint32_t i;
2025
2026 for (i = 0; i < len; i++)
2027 if (!strcmp(param_val_conv[i].name, name))
2028 return true;
2029
2030 return false;
2031 }
2032
2033 static int
2034 param_val_conv_uint_get(const struct param_val_conv *param_val_conv,
2035 uint32_t len, const char *name, const char *vstr,
2036 uint32_t *vuint)
2037 {
2038 uint32_t i;
2039
2040 for (i = 0; i < len; i++)
2041 if (!strcmp(param_val_conv[i].name, name) &&
2042 !strcmp(param_val_conv[i].vstr, vstr)) {
2043 *vuint = param_val_conv[i].vuint;
2044 return 0;
2045 }
2046
2047 return -ENOENT;
2048 }
2049
2050 static int
2051 param_val_conv_str_get(const struct param_val_conv *param_val_conv,
2052 uint32_t len, const char *name, uint32_t vuint,
2053 const char **vstr)
2054 {
2055 uint32_t i;
2056
2057 for (i = 0; i < len; i++)
2058 if (!strcmp(param_val_conv[i].name, name) &&
2059 param_val_conv[i].vuint == vuint) {
2060 *vstr = param_val_conv[i].vstr;
2061 return 0;
2062 }
2063
2064 return -ENOENT;
2065 }
2066
2067 static const struct param_val_conv param_val_conv[] = {
2068 {
2069 .name = "fw_load_policy",
2070 .vstr = "driver",
2071 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
2072 },
2073 {
2074 .name = "fw_load_policy",
2075 .vstr = "flash",
2076 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
2077 },
2078 };
2079
2080 #define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv)
2081
2082 static void pr_out_param_value(struct dl *dl, const char *nla_name,
2083 int nla_type, struct nlattr *nl)
2084 {
2085 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2086 struct nlattr *val_attr;
2087 const char *vstr;
2088 bool conv_exists;
2089 int err;
2090
2091 err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
2092 if (err != MNL_CB_OK)
2093 return;
2094
2095 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2096 (nla_type != MNL_TYPE_FLAG &&
2097 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2098 return;
2099
2100 pr_out_str(dl, "cmode",
2101 param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
2102 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2103
2104 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2105 nla_name);
2106
2107 switch (nla_type) {
2108 case MNL_TYPE_U8:
2109 if (conv_exists) {
2110 err = param_val_conv_str_get(param_val_conv,
2111 PARAM_VAL_CONV_LEN,
2112 nla_name,
2113 mnl_attr_get_u8(val_attr),
2114 &vstr);
2115 if (err)
2116 return;
2117 pr_out_str(dl, "value", vstr);
2118 } else {
2119 pr_out_uint(dl, "value", mnl_attr_get_u8(val_attr));
2120 }
2121 break;
2122 case MNL_TYPE_U16:
2123 if (conv_exists) {
2124 err = param_val_conv_str_get(param_val_conv,
2125 PARAM_VAL_CONV_LEN,
2126 nla_name,
2127 mnl_attr_get_u16(val_attr),
2128 &vstr);
2129 if (err)
2130 return;
2131 pr_out_str(dl, "value", vstr);
2132 } else {
2133 pr_out_uint(dl, "value", mnl_attr_get_u16(val_attr));
2134 }
2135 break;
2136 case MNL_TYPE_U32:
2137 if (conv_exists) {
2138 err = param_val_conv_str_get(param_val_conv,
2139 PARAM_VAL_CONV_LEN,
2140 nla_name,
2141 mnl_attr_get_u32(val_attr),
2142 &vstr);
2143 if (err)
2144 return;
2145 pr_out_str(dl, "value", vstr);
2146 } else {
2147 pr_out_uint(dl, "value", mnl_attr_get_u32(val_attr));
2148 }
2149 break;
2150 case MNL_TYPE_STRING:
2151 pr_out_str(dl, "value", mnl_attr_get_str(val_attr));
2152 break;
2153 case MNL_TYPE_FLAG:
2154 pr_out_bool(dl, "value", val_attr ? true : false);
2155 break;
2156 }
2157 }
2158
2159 static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
2160 {
2161 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2162 struct nlattr *param_value_attr;
2163 const char *nla_name;
2164 int nla_type;
2165 int err;
2166
2167 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2168 if (err != MNL_CB_OK)
2169 return;
2170 if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
2171 !nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2172 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2173 return;
2174
2175 if (array)
2176 pr_out_handle_start_arr(dl, tb);
2177 else
2178 __pr_out_handle_start(dl, tb, true, false);
2179
2180 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2181
2182 nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]);
2183 pr_out_str(dl, "name", nla_name);
2184
2185 if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
2186 pr_out_str(dl, "type", "driver-specific");
2187 else
2188 pr_out_str(dl, "type", "generic");
2189
2190 pr_out_array_start(dl, "values");
2191 mnl_attr_for_each_nested(param_value_attr,
2192 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2193 pr_out_entry_start(dl);
2194 pr_out_param_value(dl, nla_name, nla_type, param_value_attr);
2195 pr_out_entry_end(dl);
2196 }
2197 pr_out_array_end(dl);
2198 pr_out_handle_end(dl);
2199 }
2200
2201 static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
2202 {
2203 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2204 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2205 struct dl *dl = data;
2206
2207 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2208 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2209 !tb[DEVLINK_ATTR_PARAM])
2210 return MNL_CB_ERROR;
2211 pr_out_param(dl, tb, true);
2212 return MNL_CB_OK;
2213 }
2214
2215 struct param_ctx {
2216 struct dl *dl;
2217 int nla_type;
2218 union {
2219 uint8_t vu8;
2220 uint16_t vu16;
2221 uint32_t vu32;
2222 const char *vstr;
2223 bool vbool;
2224 } value;
2225 };
2226
2227 static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
2228 {
2229 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2230 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2231 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2232 struct nlattr *param_value_attr;
2233 enum devlink_param_cmode cmode;
2234 struct param_ctx *ctx = data;
2235 struct dl *dl = ctx->dl;
2236 int nla_type;
2237 int err;
2238
2239 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2240 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2241 !tb[DEVLINK_ATTR_PARAM])
2242 return MNL_CB_ERROR;
2243
2244 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2245 if (err != MNL_CB_OK)
2246 return MNL_CB_ERROR;
2247
2248 if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2249 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2250 return MNL_CB_ERROR;
2251
2252 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2253 mnl_attr_for_each_nested(param_value_attr,
2254 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2255 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2256 struct nlattr *val_attr;
2257
2258 err = mnl_attr_parse_nested(param_value_attr,
2259 attr_cb, nla_value);
2260 if (err != MNL_CB_OK)
2261 return MNL_CB_ERROR;
2262
2263 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2264 (nla_type != MNL_TYPE_FLAG &&
2265 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2266 return MNL_CB_ERROR;
2267
2268 cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
2269 if (cmode == dl->opts.cmode) {
2270 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2271 switch (nla_type) {
2272 case MNL_TYPE_U8:
2273 ctx->value.vu8 = mnl_attr_get_u8(val_attr);
2274 break;
2275 case MNL_TYPE_U16:
2276 ctx->value.vu16 = mnl_attr_get_u16(val_attr);
2277 break;
2278 case MNL_TYPE_U32:
2279 ctx->value.vu32 = mnl_attr_get_u32(val_attr);
2280 break;
2281 case MNL_TYPE_STRING:
2282 ctx->value.vstr = mnl_attr_get_str(val_attr);
2283 break;
2284 case MNL_TYPE_FLAG:
2285 ctx->value.vbool = val_attr ? true : false;
2286 break;
2287 }
2288 break;
2289 }
2290 }
2291 ctx->nla_type = nla_type;
2292 return MNL_CB_OK;
2293 }
2294
2295 static int cmd_dev_param_set(struct dl *dl)
2296 {
2297 struct param_ctx ctx = {};
2298 struct nlmsghdr *nlh;
2299 bool conv_exists;
2300 uint32_t val_u32;
2301 uint16_t val_u16;
2302 uint8_t val_u8;
2303 bool val_bool;
2304 int err;
2305
2306 err = dl_argv_parse(dl, DL_OPT_HANDLE |
2307 DL_OPT_PARAM_NAME |
2308 DL_OPT_PARAM_VALUE |
2309 DL_OPT_PARAM_CMODE, 0);
2310 if (err)
2311 return err;
2312
2313 /* Get value type */
2314 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
2315 NLM_F_REQUEST | NLM_F_ACK);
2316 dl_opts_put(nlh, dl);
2317
2318 ctx.dl = dl;
2319 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
2320 if (err)
2321 return err;
2322
2323 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
2324 NLM_F_REQUEST | NLM_F_ACK);
2325 dl_opts_put(nlh, dl);
2326
2327 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2328 dl->opts.param_name);
2329
2330 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
2331 switch (ctx.nla_type) {
2332 case MNL_TYPE_U8:
2333 if (conv_exists) {
2334 err = param_val_conv_uint_get(param_val_conv,
2335 PARAM_VAL_CONV_LEN,
2336 dl->opts.param_name,
2337 dl->opts.param_value,
2338 &val_u32);
2339 val_u8 = val_u32;
2340 } else {
2341 err = strtouint8_t(dl->opts.param_value, &val_u8);
2342 }
2343 if (err)
2344 goto err_param_value_parse;
2345 if (val_u8 == ctx.value.vu8)
2346 return 0;
2347 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
2348 break;
2349 case MNL_TYPE_U16:
2350 if (conv_exists) {
2351 err = param_val_conv_uint_get(param_val_conv,
2352 PARAM_VAL_CONV_LEN,
2353 dl->opts.param_name,
2354 dl->opts.param_value,
2355 &val_u32);
2356 val_u16 = val_u32;
2357 } else {
2358 err = strtouint16_t(dl->opts.param_value, &val_u16);
2359 }
2360 if (err)
2361 goto err_param_value_parse;
2362 if (val_u16 == ctx.value.vu16)
2363 return 0;
2364 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
2365 break;
2366 case MNL_TYPE_U32:
2367 if (conv_exists)
2368 err = param_val_conv_uint_get(param_val_conv,
2369 PARAM_VAL_CONV_LEN,
2370 dl->opts.param_name,
2371 dl->opts.param_value,
2372 &val_u32);
2373 else
2374 err = strtouint32_t(dl->opts.param_value, &val_u32);
2375 if (err)
2376 goto err_param_value_parse;
2377 if (val_u32 == ctx.value.vu32)
2378 return 0;
2379 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
2380 break;
2381 case MNL_TYPE_FLAG:
2382 err = strtobool(dl->opts.param_value, &val_bool);
2383 if (err)
2384 goto err_param_value_parse;
2385 if (val_bool == ctx.value.vbool)
2386 return 0;
2387 if (val_bool)
2388 mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2389 0, NULL);
2390 break;
2391 case MNL_TYPE_STRING:
2392 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2393 dl->opts.param_value);
2394 if (!strcmp(dl->opts.param_value, ctx.value.vstr))
2395 return 0;
2396 break;
2397 default:
2398 printf("Value type not supported\n");
2399 return -ENOTSUP;
2400 }
2401 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2402
2403 err_param_value_parse:
2404 pr_err("Value \"%s\" is not a number or not within range\n",
2405 dl->opts.param_value);
2406 return err;
2407 }
2408
2409 static int cmd_dev_param_show(struct dl *dl)
2410 {
2411 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2412 struct nlmsghdr *nlh;
2413 int err;
2414
2415 if (dl_argc(dl) == 0)
2416 flags |= NLM_F_DUMP;
2417
2418 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
2419
2420 if (dl_argc(dl) > 0) {
2421 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
2422 DL_OPT_PARAM_NAME, 0);
2423 if (err)
2424 return err;
2425 }
2426
2427 pr_out_section_start(dl, "param");
2428 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
2429 pr_out_section_end(dl);
2430 return err;
2431 }
2432
2433 static int cmd_dev_param(struct dl *dl)
2434 {
2435 if (dl_argv_match(dl, "help")) {
2436 cmd_dev_help();
2437 return 0;
2438 } else if (dl_argv_match(dl, "show") ||
2439 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2440 dl_arg_inc(dl);
2441 return cmd_dev_param_show(dl);
2442 } else if (dl_argv_match(dl, "set")) {
2443 dl_arg_inc(dl);
2444 return cmd_dev_param_set(dl);
2445 }
2446 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2447 return -ENOENT;
2448 }
2449 static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
2450 {
2451 struct dl *dl = data;
2452 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2453 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2454
2455 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2456 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2457 return MNL_CB_ERROR;
2458 pr_out_dev(dl, tb);
2459 return MNL_CB_OK;
2460 }
2461
2462 static int cmd_dev_show(struct dl *dl)
2463 {
2464 struct nlmsghdr *nlh;
2465 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2466 int err;
2467
2468 if (dl_argc(dl) == 0)
2469 flags |= NLM_F_DUMP;
2470
2471 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
2472
2473 if (dl_argc(dl) > 0) {
2474 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2475 if (err)
2476 return err;
2477 }
2478
2479 pr_out_section_start(dl, "dev");
2480 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
2481 pr_out_section_end(dl);
2482 return err;
2483 }
2484
2485 static void cmd_dev_reload_help(void)
2486 {
2487 pr_err("Usage: devlink dev reload [ DEV ]\n");
2488 }
2489
2490 static int cmd_dev_reload(struct dl *dl)
2491 {
2492 struct nlmsghdr *nlh;
2493 int err;
2494
2495 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2496 cmd_dev_reload_help();
2497 return 0;
2498 }
2499
2500 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
2501 NLM_F_REQUEST | NLM_F_ACK);
2502
2503 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2504 if (err)
2505 return err;
2506
2507 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2508 }
2509
2510 static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh,
2511 const char *name, int type)
2512 {
2513 struct nlattr *version;
2514
2515 mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) {
2516 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2517 const char *ver_value;
2518 const char *ver_name;
2519 int err;
2520
2521 if (mnl_attr_get_type(version) != type)
2522 continue;
2523
2524 err = mnl_attr_parse_nested(version, attr_cb, tb);
2525 if (err != MNL_CB_OK)
2526 continue;
2527
2528 if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] ||
2529 !tb[DEVLINK_ATTR_INFO_VERSION_VALUE])
2530 continue;
2531
2532 if (name) {
2533 pr_out_object_start(dl, name);
2534 name = NULL;
2535 }
2536
2537 ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]);
2538 ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]);
2539
2540 pr_out_str(dl, ver_name, ver_value);
2541 if (!dl->json_output)
2542 __pr_out_newline();
2543 }
2544
2545 if (!name)
2546 pr_out_object_end(dl);
2547 }
2548
2549 static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh,
2550 struct nlattr **tb, bool has_versions)
2551 {
2552 __pr_out_handle_start(dl, tb, true, false);
2553
2554 __pr_out_indent_inc();
2555 if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) {
2556 struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME];
2557
2558 if (!dl->json_output)
2559 __pr_out_newline();
2560 pr_out_str(dl, "driver", mnl_attr_get_str(nla_drv));
2561 }
2562
2563 if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) {
2564 struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER];
2565
2566 if (!dl->json_output)
2567 __pr_out_newline();
2568 pr_out_str(dl, "serial_number", mnl_attr_get_str(nla_sn));
2569 }
2570 __pr_out_indent_dec();
2571
2572 if (has_versions) {
2573 pr_out_object_start(dl, "versions");
2574
2575 pr_out_versions_single(dl, nlh, "fixed",
2576 DEVLINK_ATTR_INFO_VERSION_FIXED);
2577 pr_out_versions_single(dl, nlh, "running",
2578 DEVLINK_ATTR_INFO_VERSION_RUNNING);
2579 pr_out_versions_single(dl, nlh, "stored",
2580 DEVLINK_ATTR_INFO_VERSION_STORED);
2581
2582 pr_out_object_end(dl);
2583 }
2584
2585 pr_out_handle_end(dl);
2586 }
2587
2588 static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data)
2589 {
2590 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2591 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2592 bool has_versions, has_info;
2593 struct dl *dl = data;
2594
2595 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2596
2597 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2598 return MNL_CB_ERROR;
2599
2600 has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] ||
2601 tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] ||
2602 tb[DEVLINK_ATTR_INFO_VERSION_STORED];
2603 has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] ||
2604 tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] ||
2605 has_versions;
2606
2607 if (has_info)
2608 pr_out_info(dl, nlh, tb, has_versions);
2609
2610 return MNL_CB_OK;
2611 }
2612
2613 static void cmd_dev_info_help(void)
2614 {
2615 pr_err("Usage: devlink dev info [ DEV ]\n");
2616 }
2617
2618 static int cmd_dev_info(struct dl *dl)
2619 {
2620 struct nlmsghdr *nlh;
2621 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2622 int err;
2623
2624 if (dl_argv_match(dl, "help")) {
2625 cmd_dev_info_help();
2626 return 0;
2627 }
2628
2629 if (dl_argc(dl) == 0)
2630 flags |= NLM_F_DUMP;
2631
2632 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_INFO_GET, flags);
2633
2634 if (dl_argc(dl) > 0) {
2635 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2636 if (err)
2637 return err;
2638 }
2639
2640 pr_out_section_start(dl, "info");
2641 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_versions_show_cb, dl);
2642 pr_out_section_end(dl);
2643 return err;
2644 }
2645
2646 static void cmd_dev_flash_help(void)
2647 {
2648 pr_err("Usage: devlink dev flash DEV file PATH [ component NAME ]\n");
2649 }
2650
2651 static int cmd_dev_flash(struct dl *dl)
2652 {
2653 struct nlmsghdr *nlh;
2654 int err;
2655
2656 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2657 cmd_dev_flash_help();
2658 return 0;
2659 }
2660
2661 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_FLASH_UPDATE,
2662 NLM_F_REQUEST | NLM_F_ACK);
2663
2664 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME,
2665 DL_OPT_FLASH_COMPONENT);
2666 if (err)
2667 return err;
2668
2669 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2670 }
2671
2672 static int cmd_dev(struct dl *dl)
2673 {
2674 if (dl_argv_match(dl, "help")) {
2675 cmd_dev_help();
2676 return 0;
2677 } else if (dl_argv_match(dl, "show") ||
2678 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2679 dl_arg_inc(dl);
2680 return cmd_dev_show(dl);
2681 } else if (dl_argv_match(dl, "eswitch")) {
2682 dl_arg_inc(dl);
2683 return cmd_dev_eswitch(dl);
2684 } else if (dl_argv_match(dl, "reload")) {
2685 dl_arg_inc(dl);
2686 return cmd_dev_reload(dl);
2687 } else if (dl_argv_match(dl, "param")) {
2688 dl_arg_inc(dl);
2689 return cmd_dev_param(dl);
2690 } else if (dl_argv_match(dl, "info")) {
2691 dl_arg_inc(dl);
2692 return cmd_dev_info(dl);
2693 } else if (dl_argv_match(dl, "flash")) {
2694 dl_arg_inc(dl);
2695 return cmd_dev_flash(dl);
2696 }
2697 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2698 return -ENOENT;
2699 }
2700
2701 static void cmd_port_help(void)
2702 {
2703 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
2704 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
2705 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
2706 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
2707 }
2708
2709 static const char *port_type_name(uint32_t type)
2710 {
2711 switch (type) {
2712 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
2713 case DEVLINK_PORT_TYPE_AUTO: return "auto";
2714 case DEVLINK_PORT_TYPE_ETH: return "eth";
2715 case DEVLINK_PORT_TYPE_IB: return "ib";
2716 default: return "<unknown type>";
2717 }
2718 }
2719
2720 static const char *port_flavour_name(uint16_t flavour)
2721 {
2722 switch (flavour) {
2723 case DEVLINK_PORT_FLAVOUR_PHYSICAL:
2724 return "physical";
2725 case DEVLINK_PORT_FLAVOUR_CPU:
2726 return "cpu";
2727 case DEVLINK_PORT_FLAVOUR_DSA:
2728 return "dsa";
2729 default:
2730 return "<unknown flavour>";
2731 }
2732 }
2733
2734 static void pr_out_port(struct dl *dl, struct nlattr **tb)
2735 {
2736 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
2737 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
2738
2739 pr_out_port_handle_start(dl, tb, false);
2740 if (pt_attr) {
2741 uint16_t port_type = mnl_attr_get_u16(pt_attr);
2742
2743 pr_out_str(dl, "type", port_type_name(port_type));
2744 if (dpt_attr) {
2745 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
2746
2747 if (port_type != des_port_type)
2748 pr_out_str(dl, "des_type",
2749 port_type_name(des_port_type));
2750 }
2751 }
2752 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
2753 pr_out_str(dl, "netdev",
2754 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
2755 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
2756 pr_out_str(dl, "ibdev",
2757 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
2758 if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
2759 uint16_t port_flavour =
2760 mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
2761
2762 pr_out_str(dl, "flavour", port_flavour_name(port_flavour));
2763 }
2764 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
2765 pr_out_uint(dl, "split_group",
2766 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
2767 pr_out_port_handle_end(dl);
2768 }
2769
2770 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
2771 {
2772 struct dl *dl = data;
2773 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2774 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2775
2776 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2777 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2778 !tb[DEVLINK_ATTR_PORT_INDEX])
2779 return MNL_CB_ERROR;
2780 pr_out_port(dl, tb);
2781 return MNL_CB_OK;
2782 }
2783
2784 static int cmd_port_show(struct dl *dl)
2785 {
2786 struct nlmsghdr *nlh;
2787 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2788 int err;
2789
2790 if (dl_argc(dl) == 0)
2791 flags |= NLM_F_DUMP;
2792
2793 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
2794
2795 if (dl_argc(dl) > 0) {
2796 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2797 if (err)
2798 return err;
2799 }
2800
2801 pr_out_section_start(dl, "port");
2802 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
2803 pr_out_section_end(dl);
2804 return err;
2805 }
2806
2807 static int cmd_port_set(struct dl *dl)
2808 {
2809 struct nlmsghdr *nlh;
2810 int err;
2811
2812 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
2813 NLM_F_REQUEST | NLM_F_ACK);
2814
2815 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
2816 if (err)
2817 return err;
2818
2819 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2820 }
2821
2822 static int cmd_port_split(struct dl *dl)
2823 {
2824 struct nlmsghdr *nlh;
2825 int err;
2826
2827 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
2828 NLM_F_REQUEST | NLM_F_ACK);
2829
2830 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
2831 if (err)
2832 return err;
2833
2834 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2835 }
2836
2837 static int cmd_port_unsplit(struct dl *dl)
2838 {
2839 struct nlmsghdr *nlh;
2840 int err;
2841
2842 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
2843 NLM_F_REQUEST | NLM_F_ACK);
2844
2845 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2846 if (err)
2847 return err;
2848
2849 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2850 }
2851
2852 static int cmd_port(struct dl *dl)
2853 {
2854 if (dl_argv_match(dl, "help")) {
2855 cmd_port_help();
2856 return 0;
2857 } else if (dl_argv_match(dl, "show") ||
2858 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2859 dl_arg_inc(dl);
2860 return cmd_port_show(dl);
2861 } else if (dl_argv_match(dl, "set")) {
2862 dl_arg_inc(dl);
2863 return cmd_port_set(dl);
2864 } else if (dl_argv_match(dl, "split")) {
2865 dl_arg_inc(dl);
2866 return cmd_port_split(dl);
2867 } else if (dl_argv_match(dl, "unsplit")) {
2868 dl_arg_inc(dl);
2869 return cmd_port_unsplit(dl);
2870 }
2871 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2872 return -ENOENT;
2873 }
2874
2875 static void cmd_sb_help(void)
2876 {
2877 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
2878 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
2879 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
2880 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
2881 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2882 pr_err(" pool POOL_INDEX ]\n");
2883 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2884 pr_err(" pool POOL_INDEX th THRESHOLD\n");
2885 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2886 pr_err(" type { ingress | egress } ]\n");
2887 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2888 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
2889 pr_err(" th THRESHOLD\n");
2890 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
2891 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
2892 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
2893 }
2894
2895 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
2896 {
2897 pr_out_handle_start_arr(dl, tb);
2898 pr_out_uint(dl, "sb",
2899 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
2900 pr_out_uint(dl, "size",
2901 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
2902 pr_out_uint(dl, "ing_pools",
2903 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
2904 pr_out_uint(dl, "eg_pools",
2905 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
2906 pr_out_uint(dl, "ing_tcs",
2907 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
2908 pr_out_uint(dl, "eg_tcs",
2909 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
2910 pr_out_handle_end(dl);
2911 }
2912
2913 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
2914 {
2915 struct dl *dl = data;
2916 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2917 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2918
2919 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2920 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2921 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
2922 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
2923 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
2924 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
2925 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
2926 return MNL_CB_ERROR;
2927 pr_out_sb(dl, tb);
2928 return MNL_CB_OK;
2929 }
2930
2931 static int cmd_sb_show(struct dl *dl)
2932 {
2933 struct nlmsghdr *nlh;
2934 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2935 int err;
2936
2937 if (dl_argc(dl) == 0)
2938 flags |= NLM_F_DUMP;
2939
2940 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
2941
2942 if (dl_argc(dl) > 0) {
2943 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
2944 if (err)
2945 return err;
2946 }
2947
2948 pr_out_section_start(dl, "sb");
2949 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
2950 pr_out_section_end(dl);
2951 return err;
2952 }
2953
2954 static const char *pool_type_name(uint8_t type)
2955 {
2956 switch (type) {
2957 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
2958 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
2959 default: return "<unknown type>";
2960 }
2961 }
2962
2963 static const char *threshold_type_name(uint8_t type)
2964 {
2965 switch (type) {
2966 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
2967 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
2968 default: return "<unknown type>";
2969 }
2970 }
2971
2972 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
2973 {
2974 pr_out_handle_start_arr(dl, tb);
2975 pr_out_uint(dl, "sb",
2976 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
2977 pr_out_uint(dl, "pool",
2978 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
2979 pr_out_str(dl, "type",
2980 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
2981 pr_out_uint(dl, "size",
2982 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
2983 pr_out_str(dl, "thtype",
2984 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
2985 if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
2986 pr_out_uint(dl, "cell_size",
2987 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
2988 pr_out_handle_end(dl);
2989 }
2990
2991 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
2992 {
2993 struct dl *dl = data;
2994 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2995 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2996
2997 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2998 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2999 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3000 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
3001 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
3002 return MNL_CB_ERROR;
3003 pr_out_sb_pool(dl, tb);
3004 return MNL_CB_OK;
3005 }
3006
3007 static int cmd_sb_pool_show(struct dl *dl)
3008 {
3009 struct nlmsghdr *nlh;
3010 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3011 int err;
3012
3013 if (dl_argc(dl) == 0)
3014 flags |= NLM_F_DUMP;
3015
3016 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
3017
3018 if (dl_argc(dl) > 0) {
3019 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
3020 DL_OPT_SB);
3021 if (err)
3022 return err;
3023 }
3024
3025 pr_out_section_start(dl, "pool");
3026 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
3027 pr_out_section_end(dl);
3028 return err;
3029 }
3030
3031 static int cmd_sb_pool_set(struct dl *dl)
3032 {
3033 struct nlmsghdr *nlh;
3034 int err;
3035
3036 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
3037 NLM_F_REQUEST | NLM_F_ACK);
3038
3039 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
3040 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
3041 if (err)
3042 return err;
3043
3044 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3045 }
3046
3047 static int cmd_sb_pool(struct dl *dl)
3048 {
3049 if (dl_argv_match(dl, "help")) {
3050 cmd_sb_help();
3051 return 0;
3052 } else if (dl_argv_match(dl, "show") ||
3053 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3054 dl_arg_inc(dl);
3055 return cmd_sb_pool_show(dl);
3056 } else if (dl_argv_match(dl, "set")) {
3057 dl_arg_inc(dl);
3058 return cmd_sb_pool_set(dl);
3059 }
3060 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3061 return -ENOENT;
3062 }
3063
3064 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
3065 {
3066 pr_out_port_handle_start_arr(dl, tb, true);
3067 pr_out_uint(dl, "sb",
3068 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3069 pr_out_uint(dl, "pool",
3070 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3071 pr_out_uint(dl, "threshold",
3072 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3073 pr_out_port_handle_end(dl);
3074 }
3075
3076 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3077 {
3078 struct dl *dl = data;
3079 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3080 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3081
3082 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3083 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3084 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3085 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3086 return MNL_CB_ERROR;
3087 pr_out_sb_port_pool(dl, tb);
3088 return MNL_CB_OK;
3089 }
3090
3091 static int cmd_sb_port_pool_show(struct dl *dl)
3092 {
3093 struct nlmsghdr *nlh;
3094 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3095 int err;
3096
3097 if (dl_argc(dl) == 0)
3098 flags |= NLM_F_DUMP;
3099
3100 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3101
3102 if (dl_argc(dl) > 0) {
3103 err = dl_argv_parse_put(nlh, dl,
3104 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
3105 DL_OPT_SB);
3106 if (err)
3107 return err;
3108 }
3109
3110 pr_out_section_start(dl, "port_pool");
3111 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
3112 pr_out_section_end(dl);
3113 return 0;
3114 }
3115
3116 static int cmd_sb_port_pool_set(struct dl *dl)
3117 {
3118 struct nlmsghdr *nlh;
3119 int err;
3120
3121 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
3122 NLM_F_REQUEST | NLM_F_ACK);
3123
3124 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
3125 DL_OPT_SB_TH, DL_OPT_SB);
3126 if (err)
3127 return err;
3128
3129 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3130 }
3131
3132 static int cmd_sb_port_pool(struct dl *dl)
3133 {
3134 if (dl_argv_match(dl, "help")) {
3135 cmd_sb_help();
3136 return 0;
3137 } else if (dl_argv_match(dl, "show") ||
3138 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3139 dl_arg_inc(dl);
3140 return cmd_sb_port_pool_show(dl);
3141 } else if (dl_argv_match(dl, "set")) {
3142 dl_arg_inc(dl);
3143 return cmd_sb_port_pool_set(dl);
3144 }
3145 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3146 return -ENOENT;
3147 }
3148
3149 static int cmd_sb_port(struct dl *dl)
3150 {
3151 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3152 cmd_sb_help();
3153 return 0;
3154 } else if (dl_argv_match(dl, "pool")) {
3155 dl_arg_inc(dl);
3156 return cmd_sb_port_pool(dl);
3157 }
3158 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3159 return -ENOENT;
3160 }
3161
3162 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
3163 {
3164 pr_out_port_handle_start_arr(dl, tb, true);
3165 pr_out_uint(dl, "sb",
3166 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3167 pr_out_uint(dl, "tc",
3168 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
3169 pr_out_str(dl, "type",
3170 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3171 pr_out_uint(dl, "pool",
3172 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3173 pr_out_uint(dl, "threshold",
3174 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3175 pr_out_port_handle_end(dl);
3176 }
3177
3178 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
3179 {
3180 struct dl *dl = data;
3181 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3182 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3183
3184 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3185 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3186 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3187 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3188 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3189 return MNL_CB_ERROR;
3190 pr_out_sb_tc_bind(dl, tb);
3191 return MNL_CB_OK;
3192 }
3193
3194 static int cmd_sb_tc_bind_show(struct dl *dl)
3195 {
3196 struct nlmsghdr *nlh;
3197 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3198 int err;
3199
3200 if (dl_argc(dl) == 0)
3201 flags |= NLM_F_DUMP;
3202
3203 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3204
3205 if (dl_argc(dl) > 0) {
3206 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3207 DL_OPT_SB_TYPE, DL_OPT_SB);
3208 if (err)
3209 return err;
3210 }
3211
3212 pr_out_section_start(dl, "tc_bind");
3213 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
3214 pr_out_section_end(dl);
3215 return err;
3216 }
3217
3218 static int cmd_sb_tc_bind_set(struct dl *dl)
3219 {
3220 struct nlmsghdr *nlh;
3221 int err;
3222
3223 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
3224 NLM_F_REQUEST | NLM_F_ACK);
3225
3226 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3227 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
3228 DL_OPT_SB);
3229 if (err)
3230 return err;
3231
3232 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3233 }
3234
3235 static int cmd_sb_tc_bind(struct dl *dl)
3236 {
3237 if (dl_argv_match(dl, "help")) {
3238 cmd_sb_help();
3239 return 0;
3240 } else if (dl_argv_match(dl, "show") ||
3241 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3242 dl_arg_inc(dl);
3243 return cmd_sb_tc_bind_show(dl);
3244 } else if (dl_argv_match(dl, "set")) {
3245 dl_arg_inc(dl);
3246 return cmd_sb_tc_bind_set(dl);
3247 }
3248 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3249 return -ENOENT;
3250 }
3251
3252 static int cmd_sb_tc(struct dl *dl)
3253 {
3254 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3255 cmd_sb_help();
3256 return 0;
3257 } else if (dl_argv_match(dl, "bind")) {
3258 dl_arg_inc(dl);
3259 return cmd_sb_tc_bind(dl);
3260 }
3261 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3262 return -ENOENT;
3263 }
3264
3265 struct occ_item {
3266 struct list_head list;
3267 uint32_t index;
3268 uint32_t cur;
3269 uint32_t max;
3270 uint32_t bound_pool_index;
3271 };
3272
3273 struct occ_port {
3274 struct list_head list;
3275 char *bus_name;
3276 char *dev_name;
3277 uint32_t port_index;
3278 uint32_t sb_index;
3279 struct list_head pool_list;
3280 struct list_head ing_tc_list;
3281 struct list_head eg_tc_list;
3282 };
3283
3284 struct occ_show {
3285 struct dl *dl;
3286 int err;
3287 struct list_head port_list;
3288 };
3289
3290 static struct occ_item *occ_item_alloc(void)
3291 {
3292 return calloc(1, sizeof(struct occ_item));
3293 }
3294
3295 static void occ_item_free(struct occ_item *occ_item)
3296 {
3297 free(occ_item);
3298 }
3299
3300 static struct occ_port *occ_port_alloc(uint32_t port_index)
3301 {
3302 struct occ_port *occ_port;
3303
3304 occ_port = calloc(1, sizeof(*occ_port));
3305 if (!occ_port)
3306 return NULL;
3307 occ_port->port_index = port_index;
3308 INIT_LIST_HEAD(&occ_port->pool_list);
3309 INIT_LIST_HEAD(&occ_port->ing_tc_list);
3310 INIT_LIST_HEAD(&occ_port->eg_tc_list);
3311 return occ_port;
3312 }
3313
3314 static void occ_port_free(struct occ_port *occ_port)
3315 {
3316 struct occ_item *occ_item, *tmp;
3317
3318 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
3319 occ_item_free(occ_item);
3320 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
3321 occ_item_free(occ_item);
3322 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
3323 occ_item_free(occ_item);
3324 }
3325
3326 static struct occ_show *occ_show_alloc(struct dl *dl)
3327 {
3328 struct occ_show *occ_show;
3329
3330 occ_show = calloc(1, sizeof(*occ_show));
3331 if (!occ_show)
3332 return NULL;
3333 occ_show->dl = dl;
3334 INIT_LIST_HEAD(&occ_show->port_list);
3335 return occ_show;
3336 }
3337
3338 static void occ_show_free(struct occ_show *occ_show)
3339 {
3340 struct occ_port *occ_port, *tmp;
3341
3342 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
3343 occ_port_free(occ_port);
3344 }
3345
3346 static struct occ_port *occ_port_get(struct occ_show *occ_show,
3347 struct nlattr **tb)
3348 {
3349 struct occ_port *occ_port;
3350 uint32_t port_index;
3351
3352 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
3353
3354 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
3355 if (occ_port->port_index == port_index)
3356 return occ_port;
3357 }
3358 occ_port = occ_port_alloc(port_index);
3359 if (!occ_port)
3360 return NULL;
3361 list_add_tail(&occ_port->list, &occ_show->port_list);
3362 return occ_port;
3363 }
3364
3365 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
3366 bool bound_pool)
3367 {
3368 struct occ_item *occ_item;
3369 int i = 1;
3370
3371 pr_out_sp(7, " %s:", label);
3372 list_for_each_entry(occ_item, list, list) {
3373 if ((i - 1) % 4 == 0 && i != 1)
3374 pr_out_sp(7, " ");
3375 if (bound_pool)
3376 pr_out_sp(7, "%2u(%u):", occ_item->index,
3377 occ_item->bound_pool_index);
3378 else
3379 pr_out_sp(7, "%2u:", occ_item->index);
3380 pr_out_sp(15, "%7u/%u", occ_item->cur, occ_item->max);
3381 if (i++ % 4 == 0)
3382 pr_out("\n");
3383 }
3384 if ((i - 1) % 4 != 0)
3385 pr_out("\n");
3386 }
3387
3388 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
3389 struct list_head *list,
3390 bool bound_pool)
3391 {
3392 struct occ_item *occ_item;
3393 char buf[32];
3394
3395 jsonw_name(dl->jw, label);
3396 jsonw_start_object(dl->jw);
3397 list_for_each_entry(occ_item, list, list) {
3398 sprintf(buf, "%u", occ_item->index);
3399 jsonw_name(dl->jw, buf);
3400 jsonw_start_object(dl->jw);
3401 if (bound_pool)
3402 jsonw_uint_field(dl->jw, "bound_pool",
3403 occ_item->bound_pool_index);
3404 jsonw_uint_field(dl->jw, "current", occ_item->cur);
3405 jsonw_uint_field(dl->jw, "max", occ_item->max);
3406 jsonw_end_object(dl->jw);
3407 }
3408 jsonw_end_object(dl->jw);
3409 }
3410
3411 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
3412 {
3413 if (dl->json_output) {
3414 pr_out_json_occ_show_item_list(dl, "pool",
3415 &occ_port->pool_list, false);
3416 pr_out_json_occ_show_item_list(dl, "itc",
3417 &occ_port->ing_tc_list, true);
3418 pr_out_json_occ_show_item_list(dl, "etc",
3419 &occ_port->eg_tc_list, true);
3420 } else {
3421 pr_out("\n");
3422 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
3423 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
3424 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
3425 }
3426 }
3427
3428 static void pr_out_occ_show(struct occ_show *occ_show)
3429 {
3430 struct dl *dl = occ_show->dl;
3431 struct dl_opts *opts = &dl->opts;
3432 struct occ_port *occ_port;
3433
3434 list_for_each_entry(occ_port, &occ_show->port_list, list) {
3435 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
3436 occ_port->port_index, true, false);
3437 pr_out_occ_show_port(dl, occ_port);
3438 pr_out_port_handle_end(dl);
3439 }
3440 }
3441
3442 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
3443 struct nlattr **tb)
3444 {
3445 struct occ_port *occ_port;
3446 struct occ_item *occ_item;
3447
3448 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3449 return;
3450
3451 occ_port = occ_port_get(occ_show, tb);
3452 if (!occ_port) {
3453 occ_show->err = -ENOMEM;
3454 return;
3455 }
3456
3457 occ_item = occ_item_alloc();
3458 if (!occ_item) {
3459 occ_show->err = -ENOMEM;
3460 return;
3461 }
3462 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3463 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3464 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3465 list_add_tail(&occ_item->list, &occ_port->pool_list);
3466 }
3467
3468 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3469 {
3470 struct occ_show *occ_show = data;
3471 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3472 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3473
3474 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3475 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3476 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3477 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3478 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3479 return MNL_CB_ERROR;
3480 cmd_sb_occ_port_pool_process(occ_show, tb);
3481 return MNL_CB_OK;
3482 }
3483
3484 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
3485 struct nlattr **tb)
3486 {
3487 struct occ_port *occ_port;
3488 struct occ_item *occ_item;
3489 uint8_t pool_type;
3490
3491 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3492 return;
3493
3494 occ_port = occ_port_get(occ_show, tb);
3495 if (!occ_port) {
3496 occ_show->err = -ENOMEM;
3497 return;
3498 }
3499
3500 occ_item = occ_item_alloc();
3501 if (!occ_item) {
3502 occ_show->err = -ENOMEM;
3503 return;
3504 }
3505 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
3506 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3507 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3508 occ_item->bound_pool_index =
3509 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3510 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
3511 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
3512 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
3513 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
3514 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
3515 else
3516 occ_item_free(occ_item);
3517 }
3518
3519 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3520 {
3521 struct occ_show *occ_show = data;
3522 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3523 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3524
3525 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3526 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3527 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3528 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3529 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3530 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3531 return MNL_CB_ERROR;
3532 cmd_sb_occ_tc_pool_process(occ_show, tb);
3533 return MNL_CB_OK;
3534 }
3535
3536 static int cmd_sb_occ_show(struct dl *dl)
3537 {
3538 struct nlmsghdr *nlh;
3539 struct occ_show *occ_show;
3540 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
3541 int err;
3542
3543 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
3544 if (err)
3545 return err;
3546
3547 occ_show = occ_show_alloc(dl);
3548 if (!occ_show)
3549 return -ENOMEM;
3550
3551 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3552
3553 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3554 cmd_sb_occ_port_pool_process_cb, occ_show);
3555 if (err)
3556 goto out;
3557
3558 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3559
3560 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3561 cmd_sb_occ_tc_pool_process_cb, occ_show);
3562 if (err)
3563 goto out;
3564
3565 pr_out_section_start(dl, "occupancy");
3566 pr_out_occ_show(occ_show);
3567 pr_out_section_end(dl);
3568
3569 out:
3570 occ_show_free(occ_show);
3571 return err;
3572 }
3573
3574 static int cmd_sb_occ_snapshot(struct dl *dl)
3575 {
3576 struct nlmsghdr *nlh;
3577 int err;
3578
3579 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
3580 NLM_F_REQUEST | NLM_F_ACK);
3581
3582 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3583 if (err)
3584 return err;
3585
3586 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3587 }
3588
3589 static int cmd_sb_occ_clearmax(struct dl *dl)
3590 {
3591 struct nlmsghdr *nlh;
3592 int err;
3593
3594 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
3595 NLM_F_REQUEST | NLM_F_ACK);
3596
3597 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3598 if (err)
3599 return err;
3600
3601 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3602 }
3603
3604 static int cmd_sb_occ(struct dl *dl)
3605 {
3606 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3607 cmd_sb_help();
3608 return 0;
3609 } else if (dl_argv_match(dl, "show") ||
3610 dl_argv_match(dl, "list")) {
3611 dl_arg_inc(dl);
3612 return cmd_sb_occ_show(dl);
3613 } else if (dl_argv_match(dl, "snapshot")) {
3614 dl_arg_inc(dl);
3615 return cmd_sb_occ_snapshot(dl);
3616 } else if (dl_argv_match(dl, "clearmax")) {
3617 dl_arg_inc(dl);
3618 return cmd_sb_occ_clearmax(dl);
3619 }
3620 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3621 return -ENOENT;
3622 }
3623
3624 static int cmd_sb(struct dl *dl)
3625 {
3626 if (dl_argv_match(dl, "help")) {
3627 cmd_sb_help();
3628 return 0;
3629 } else if (dl_argv_match(dl, "show") ||
3630 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3631 dl_arg_inc(dl);
3632 return cmd_sb_show(dl);
3633 } else if (dl_argv_match(dl, "pool")) {
3634 dl_arg_inc(dl);
3635 return cmd_sb_pool(dl);
3636 } else if (dl_argv_match(dl, "port")) {
3637 dl_arg_inc(dl);
3638 return cmd_sb_port(dl);
3639 } else if (dl_argv_match(dl, "tc")) {
3640 dl_arg_inc(dl);
3641 return cmd_sb_tc(dl);
3642 } else if (dl_argv_match(dl, "occupancy")) {
3643 dl_arg_inc(dl);
3644 return cmd_sb_occ(dl);
3645 }
3646 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3647 return -ENOENT;
3648 }
3649
3650 static const char *cmd_name(uint8_t cmd)
3651 {
3652 switch (cmd) {
3653 case DEVLINK_CMD_UNSPEC: return "unspec";
3654 case DEVLINK_CMD_GET: return "get";
3655 case DEVLINK_CMD_SET: return "set";
3656 case DEVLINK_CMD_NEW: return "new";
3657 case DEVLINK_CMD_DEL: return "del";
3658 case DEVLINK_CMD_PORT_GET: return "get";
3659 case DEVLINK_CMD_PORT_SET: return "set";
3660 case DEVLINK_CMD_PORT_NEW: return "new";
3661 case DEVLINK_CMD_PORT_DEL: return "del";
3662 case DEVLINK_CMD_PARAM_GET: return "get";
3663 case DEVLINK_CMD_PARAM_SET: return "set";
3664 case DEVLINK_CMD_PARAM_NEW: return "new";
3665 case DEVLINK_CMD_PARAM_DEL: return "del";
3666 case DEVLINK_CMD_REGION_GET: return "get";
3667 case DEVLINK_CMD_REGION_SET: return "set";
3668 case DEVLINK_CMD_REGION_NEW: return "new";
3669 case DEVLINK_CMD_REGION_DEL: return "del";
3670 default: return "<unknown cmd>";
3671 }
3672 }
3673
3674 static const char *cmd_obj(uint8_t cmd)
3675 {
3676 switch (cmd) {
3677 case DEVLINK_CMD_UNSPEC: return "unspec";
3678 case DEVLINK_CMD_GET:
3679 case DEVLINK_CMD_SET:
3680 case DEVLINK_CMD_NEW:
3681 case DEVLINK_CMD_DEL:
3682 return "dev";
3683 case DEVLINK_CMD_PORT_GET:
3684 case DEVLINK_CMD_PORT_SET:
3685 case DEVLINK_CMD_PORT_NEW:
3686 case DEVLINK_CMD_PORT_DEL:
3687 return "port";
3688 case DEVLINK_CMD_PARAM_GET:
3689 case DEVLINK_CMD_PARAM_SET:
3690 case DEVLINK_CMD_PARAM_NEW:
3691 case DEVLINK_CMD_PARAM_DEL:
3692 return "param";
3693 case DEVLINK_CMD_REGION_GET:
3694 case DEVLINK_CMD_REGION_SET:
3695 case DEVLINK_CMD_REGION_NEW:
3696 case DEVLINK_CMD_REGION_DEL:
3697 return "region";
3698 default: return "<unknown obj>";
3699 }
3700 }
3701
3702 static void pr_out_mon_header(uint8_t cmd)
3703 {
3704 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
3705 }
3706
3707 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
3708 {
3709 const char *obj = cmd_obj(cmd);
3710 unsigned int index = 0;
3711 const char *cur_obj;
3712
3713 if (dl_no_arg(dl))
3714 return true;
3715 while ((cur_obj = dl_argv_index(dl, index++))) {
3716 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
3717 return true;
3718 }
3719 return false;
3720 }
3721
3722 static void pr_out_region(struct dl *dl, struct nlattr **tb);
3723
3724 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
3725 {
3726 struct dl *dl = data;
3727 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3728 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3729 uint8_t cmd = genl->cmd;
3730
3731 if (!cmd_filter_check(dl, cmd))
3732 return MNL_CB_OK;
3733
3734 switch (cmd) {
3735 case DEVLINK_CMD_GET: /* fall through */
3736 case DEVLINK_CMD_SET: /* fall through */
3737 case DEVLINK_CMD_NEW: /* fall through */
3738 case DEVLINK_CMD_DEL:
3739 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3740 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
3741 return MNL_CB_ERROR;
3742 pr_out_mon_header(genl->cmd);
3743 pr_out_dev(dl, tb);
3744 break;
3745 case DEVLINK_CMD_PORT_GET: /* fall through */
3746 case DEVLINK_CMD_PORT_SET: /* fall through */
3747 case DEVLINK_CMD_PORT_NEW: /* fall through */
3748 case DEVLINK_CMD_PORT_DEL:
3749 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3750 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3751 !tb[DEVLINK_ATTR_PORT_INDEX])
3752 return MNL_CB_ERROR;
3753 pr_out_mon_header(genl->cmd);
3754 pr_out_port(dl, tb);
3755 break;
3756 case DEVLINK_CMD_PARAM_GET: /* fall through */
3757 case DEVLINK_CMD_PARAM_SET: /* fall through */
3758 case DEVLINK_CMD_PARAM_NEW: /* fall through */
3759 case DEVLINK_CMD_PARAM_DEL:
3760 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3761 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3762 !tb[DEVLINK_ATTR_PARAM])
3763 return MNL_CB_ERROR;
3764 pr_out_mon_header(genl->cmd);
3765 pr_out_param(dl, tb, false);
3766 break;
3767 case DEVLINK_CMD_REGION_GET: /* fall through */
3768 case DEVLINK_CMD_REGION_SET: /* fall through */
3769 case DEVLINK_CMD_REGION_NEW: /* fall through */
3770 case DEVLINK_CMD_REGION_DEL:
3771 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3772 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3773 !tb[DEVLINK_ATTR_REGION_NAME])
3774 return MNL_CB_ERROR;
3775 pr_out_mon_header(genl->cmd);
3776 pr_out_region(dl, tb);
3777 break;
3778 }
3779 return MNL_CB_OK;
3780 }
3781
3782 static int cmd_mon_show(struct dl *dl)
3783 {
3784 int err;
3785 unsigned int index = 0;
3786 const char *cur_obj;
3787
3788 while ((cur_obj = dl_argv_index(dl, index++))) {
3789 if (strcmp(cur_obj, "all") != 0 &&
3790 strcmp(cur_obj, "dev") != 0 &&
3791 strcmp(cur_obj, "port") != 0) {
3792 pr_err("Unknown object \"%s\"\n", cur_obj);
3793 return -EINVAL;
3794 }
3795 }
3796 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
3797 if (err)
3798 return err;
3799 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
3800 if (err)
3801 return err;
3802 return 0;
3803 }
3804
3805 static void cmd_mon_help(void)
3806 {
3807 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
3808 "where OBJECT-LIST := { dev | port }\n");
3809 }
3810
3811 static int cmd_mon(struct dl *dl)
3812 {
3813 if (dl_argv_match(dl, "help")) {
3814 cmd_mon_help();
3815 return 0;
3816 } else if (dl_no_arg(dl)) {
3817 dl_arg_inc(dl);
3818 return cmd_mon_show(dl);
3819 }
3820 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3821 return -ENOENT;
3822 }
3823
3824 struct dpipe_field {
3825 char *name;
3826 unsigned int id;
3827 unsigned int bitwidth;
3828 enum devlink_dpipe_field_mapping_type mapping_type;
3829 };
3830
3831 struct dpipe_header {
3832 struct list_head list;
3833 char *name;
3834 unsigned int id;
3835 struct dpipe_field *fields;
3836 unsigned int fields_count;
3837 };
3838
3839 struct dpipe_table {
3840 struct list_head list;
3841 char *name;
3842 unsigned int resource_id;
3843 bool resource_valid;
3844 };
3845
3846 struct dpipe_tables {
3847 struct list_head table_list;
3848 };
3849
3850 struct resource {
3851 char *name;
3852 uint64_t size;
3853 uint64_t size_new;
3854 uint64_t size_min;
3855 uint64_t size_max;
3856 uint64_t size_gran;
3857 enum devlink_resource_unit unit;
3858 bool size_valid;
3859 uint64_t size_occ;
3860 bool occ_valid;
3861 uint64_t id;
3862 struct list_head list;
3863 struct list_head resource_list;
3864 struct resource *parent;
3865 };
3866
3867 struct resources {
3868 struct list_head resource_list;
3869 };
3870
3871 struct resource_ctx {
3872 struct dl *dl;
3873 int err;
3874 struct resources *resources;
3875 struct dpipe_tables *tables;
3876 bool print_resources;
3877 bool pending_change;
3878 };
3879
3880 static struct resource *resource_alloc(void)
3881 {
3882 struct resource *resource;
3883
3884 resource = calloc(1, sizeof(struct resource));
3885 if (!resource)
3886 return NULL;
3887 INIT_LIST_HEAD(&resource->resource_list);
3888 return resource;
3889 }
3890
3891 static void resource_free(struct resource *resource)
3892 {
3893 struct resource *child_resource, *tmp;
3894
3895 list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
3896 list) {
3897 free(child_resource->name);
3898 resource_free(child_resource);
3899 }
3900 free(resource);
3901 }
3902
3903 static struct resources *resources_alloc(void)
3904 {
3905 struct resources *resources;
3906
3907 resources = calloc(1, sizeof(struct resources));
3908 if (!resources)
3909 return NULL;
3910 INIT_LIST_HEAD(&resources->resource_list);
3911 return resources;
3912 }
3913
3914 static void resources_free(struct resources *resources)
3915 {
3916 struct resource *resource, *tmp;
3917
3918 list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
3919 resource_free(resource);
3920 }
3921
3922 static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
3923 {
3924 ctx->resources = resources_alloc();
3925 if (!ctx->resources)
3926 return -ENOMEM;
3927 ctx->dl = dl;
3928 return 0;
3929 }
3930
3931 static void resource_ctx_fini(struct resource_ctx *ctx)
3932 {
3933 resources_free(ctx->resources);
3934 }
3935
3936 struct dpipe_ctx {
3937 struct dl *dl;
3938 int err;
3939 struct list_head global_headers;
3940 struct list_head local_headers;
3941 struct dpipe_tables *tables;
3942 struct resources *resources;
3943 bool print_headers;
3944 bool print_tables;
3945 };
3946
3947 static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
3948 {
3949 struct dpipe_header *header;
3950
3951 header = calloc(1, sizeof(struct dpipe_header));
3952 if (!header)
3953 return NULL;
3954 header->fields = calloc(fields_count, sizeof(struct dpipe_field));
3955 if (!header->fields)
3956 goto err_fields_alloc;
3957 header->fields_count = fields_count;
3958 return header;
3959
3960 err_fields_alloc:
3961 free(header);
3962 return NULL;
3963 }
3964
3965 static void dpipe_header_free(struct dpipe_header *header)
3966 {
3967 free(header->fields);
3968 free(header);
3969 }
3970
3971 static void dpipe_header_clear(struct dpipe_header *header)
3972 {
3973 struct dpipe_field *field;
3974 int i;
3975
3976 for (i = 0; i < header->fields_count; i++) {
3977 field = &header->fields[i];
3978 free(field->name);
3979 }
3980 free(header->name);
3981 }
3982
3983 static void dpipe_header_add(struct dpipe_ctx *ctx,
3984 struct dpipe_header *header, bool global)
3985 {
3986 if (global)
3987 list_add(&header->list, &ctx->global_headers);
3988 else
3989 list_add(&header->list, &ctx->local_headers);
3990 }
3991
3992 static void dpipe_header_del(struct dpipe_header *header)
3993 {
3994 list_del(&header->list);
3995 }
3996
3997 static struct dpipe_table *dpipe_table_alloc(void)
3998 {
3999 return calloc(1, sizeof(struct dpipe_table));
4000 }
4001
4002 static void dpipe_table_free(struct dpipe_table *table)
4003 {
4004 free(table);
4005 }
4006
4007 static struct dpipe_tables *dpipe_tables_alloc(void)
4008 {
4009 struct dpipe_tables *tables;
4010
4011 tables = calloc(1, sizeof(struct dpipe_tables));
4012 if (!tables)
4013 return NULL;
4014 INIT_LIST_HEAD(&tables->table_list);
4015 return tables;
4016 }
4017
4018 static void dpipe_tables_free(struct dpipe_tables *tables)
4019 {
4020 struct dpipe_table *table, *tmp;
4021
4022 list_for_each_entry_safe(table, tmp, &tables->table_list, list)
4023 dpipe_table_free(table);
4024 free(tables);
4025 }
4026
4027 static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
4028 {
4029 ctx->tables = dpipe_tables_alloc();
4030 if (!ctx->tables)
4031 return -ENOMEM;
4032
4033 ctx->dl = dl;
4034 INIT_LIST_HEAD(&ctx->global_headers);
4035 INIT_LIST_HEAD(&ctx->local_headers);
4036 return 0;
4037 }
4038
4039 static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
4040 {
4041 struct dpipe_header *header, *tmp;
4042
4043 list_for_each_entry_safe(header, tmp, &ctx->global_headers,
4044 list) {
4045 dpipe_header_del(header);
4046 dpipe_header_clear(header);
4047 dpipe_header_free(header);
4048 }
4049 list_for_each_entry_safe(header, tmp, &ctx->local_headers,
4050 list) {
4051 dpipe_header_del(header);
4052 dpipe_header_clear(header);
4053 dpipe_header_free(header);
4054 }
4055 dpipe_tables_free(ctx->tables);
4056 }
4057
4058 static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
4059 uint32_t header_id, bool global)
4060 {
4061 struct list_head *header_list;
4062 struct dpipe_header *header;
4063
4064 if (global)
4065 header_list = &ctx->global_headers;
4066 else
4067 header_list = &ctx->local_headers;
4068 list_for_each_entry(header, header_list, list) {
4069 if (header->id != header_id)
4070 continue;
4071 return header->name;
4072 }
4073 return NULL;
4074 }
4075
4076 static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
4077 uint32_t header_id,
4078 uint32_t field_id, bool global)
4079 {
4080 struct list_head *header_list;
4081 struct dpipe_header *header;
4082
4083 if (global)
4084 header_list = &ctx->global_headers;
4085 else
4086 header_list = &ctx->local_headers;
4087 list_for_each_entry(header, header_list, list) {
4088 if (header->id != header_id)
4089 continue;
4090 return header->fields[field_id].name;
4091 }
4092 return NULL;
4093 }
4094
4095 static const char *
4096 dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
4097 {
4098 switch (mapping_type) {
4099 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
4100 return NULL;
4101 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
4102 return "ifindex";
4103 default:
4104 return "<unknown>";
4105 }
4106 }
4107
4108 static const char *
4109 dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
4110 uint32_t field_id, bool global)
4111 {
4112 enum devlink_dpipe_field_mapping_type mapping_type;
4113 struct list_head *header_list;
4114 struct dpipe_header *header;
4115
4116 if (global)
4117 header_list = &ctx->global_headers;
4118 else
4119 header_list = &ctx->local_headers;
4120 list_for_each_entry(header, header_list, list) {
4121 if (header->id != header_id)
4122 continue;
4123 mapping_type = header->fields[field_id].mapping_type;
4124 return dpipe_field_mapping_e2s(mapping_type);
4125 }
4126 return NULL;
4127 }
4128
4129 static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
4130 struct dpipe_field *fields,
4131 unsigned int field_count)
4132 {
4133 struct dpipe_field *field;
4134 int i;
4135
4136 for (i = 0; i < field_count; i++) {
4137 field = &fields[i];
4138 pr_out_entry_start(ctx->dl);
4139 pr_out_str(ctx->dl, "name", field->name);
4140 if (ctx->dl->verbose)
4141 pr_out_uint(ctx->dl, "id", field->id);
4142 pr_out_uint(ctx->dl, "bitwidth", field->bitwidth);
4143 if (field->mapping_type)
4144 pr_out_str(ctx->dl, "mapping_type",
4145 dpipe_field_mapping_e2s(field->mapping_type));
4146 pr_out_entry_end(ctx->dl);
4147 }
4148 }
4149
4150 static void
4151 pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
4152 struct dpipe_header *header, bool global)
4153 {
4154 pr_out_handle_start_arr(ctx->dl, tb);
4155 pr_out_str(ctx->dl, "name", header->name);
4156 if (ctx->dl->verbose) {
4157 pr_out_uint(ctx->dl, "id", header->id);
4158 pr_out_str(ctx->dl, "global",
4159 global ? "true" : "false");
4160 }
4161 pr_out_array_start(ctx->dl, "field");
4162 pr_out_dpipe_fields(ctx, header->fields,
4163 header->fields_count);
4164 pr_out_array_end(ctx->dl);
4165 pr_out_handle_end(ctx->dl);
4166 }
4167
4168 static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
4169 struct nlattr **tb)
4170 {
4171 struct dpipe_header *header;
4172
4173 list_for_each_entry(header, &ctx->local_headers, list)
4174 pr_out_dpipe_header(ctx, tb, header, false);
4175
4176 list_for_each_entry(header, &ctx->global_headers, list)
4177 pr_out_dpipe_header(ctx, tb, header, true);
4178 }
4179
4180 static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
4181 {
4182 struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
4183 const char *name;
4184 int err;
4185
4186 err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
4187 if (err != MNL_CB_OK)
4188 return -EINVAL;
4189 if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
4190 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
4191 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
4192 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
4193 return -EINVAL;
4194
4195 name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
4196 field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4197 field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
4198 field->name = strdup(name);
4199 if (!field->name)
4200 return -ENOMEM;
4201 field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
4202 return 0;
4203 }
4204
4205 static int dpipe_header_fields_get(struct nlattr *nla_fields,
4206 struct dpipe_field *fields)
4207 {
4208 struct nlattr *nla_field;
4209 int count = 0;
4210 int err;
4211
4212 mnl_attr_for_each_nested(nla_field, nla_fields) {
4213 err = dpipe_header_field_get(nla_field, &fields[count]);
4214 if (err)
4215 return err;
4216 count++;
4217 }
4218 return 0;
4219 }
4220
4221 static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
4222 {
4223 struct nlattr *nla_field;
4224 unsigned int count = 0;
4225
4226 mnl_attr_for_each_nested(nla_field, nla_fields)
4227 count++;
4228 return count;
4229 }
4230
4231 static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
4232 {
4233 struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
4234 struct dpipe_header *header;
4235 unsigned int fields_count;
4236 const char *header_name;
4237 bool global;
4238 int err;
4239
4240 err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
4241 if (err != MNL_CB_OK)
4242 return -EINVAL;
4243
4244 if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
4245 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4246 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
4247 return -EINVAL;
4248
4249 fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
4250 header = dpipe_header_alloc(fields_count);
4251 if (!header)
4252 return -ENOMEM;
4253
4254 header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
4255 header->name = strdup(header_name);
4256 header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4257 header->fields_count = fields_count;
4258 global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4259
4260 err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
4261 header->fields);
4262 if (err)
4263 goto err_field_get;
4264 dpipe_header_add(ctx, header, global);
4265 return 0;
4266
4267 err_field_get:
4268 dpipe_header_free(header);
4269 return err;
4270 }
4271
4272 static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
4273 {
4274 struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
4275 struct nlattr *nla_header;
4276 int err;
4277
4278 mnl_attr_for_each_nested(nla_header, nla_headers) {
4279 err = dpipe_header_get(ctx, nla_header);
4280 if (err)
4281 return err;
4282 }
4283 return 0;
4284 }
4285
4286 static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
4287 {
4288 struct dpipe_ctx *ctx = data;
4289 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4290 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4291 int err;
4292
4293 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4294 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4295 !tb[DEVLINK_ATTR_DPIPE_HEADERS])
4296 return MNL_CB_ERROR;
4297 err = dpipe_headers_get(ctx, tb);
4298 if (err) {
4299 ctx->err = err;
4300 return MNL_CB_ERROR;
4301 }
4302
4303 if (ctx->print_headers)
4304 pr_out_dpipe_headers(ctx, tb);
4305 return MNL_CB_OK;
4306 }
4307
4308 static int cmd_dpipe_headers_show(struct dl *dl)
4309 {
4310 struct nlmsghdr *nlh;
4311 struct dpipe_ctx ctx = {};
4312 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
4313 int err;
4314
4315 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4316
4317 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
4318 if (err)
4319 return err;
4320
4321 err = dpipe_ctx_init(&ctx, dl);
4322 if (err)
4323 return err;
4324
4325 ctx.print_headers = true;
4326
4327 pr_out_section_start(dl, "header");
4328 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
4329 if (err)
4330 pr_err("error get headers %s\n", strerror(ctx.err));
4331 pr_out_section_end(dl);
4332
4333 dpipe_ctx_fini(&ctx);
4334 return err;
4335 }
4336
4337 static void cmd_dpipe_header_help(void)
4338 {
4339 pr_err("Usage: devlink dpipe headers show DEV\n");
4340 }
4341
4342 static int cmd_dpipe_header(struct dl *dl)
4343 {
4344 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4345 cmd_dpipe_header_help();
4346 return 0;
4347 } else if (dl_argv_match(dl, "show")) {
4348 dl_arg_inc(dl);
4349 return cmd_dpipe_headers_show(dl);
4350 }
4351 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4352 return -ENOENT;
4353 }
4354
4355 static const char
4356 *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
4357 {
4358 switch (action_type) {
4359 case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
4360 return "field_modify";
4361 default:
4362 return "<unknown>";
4363 }
4364 }
4365
4366 struct dpipe_op_info {
4367 uint32_t header_id;
4368 uint32_t field_id;
4369 bool header_global;
4370 };
4371
4372 struct dpipe_action {
4373 struct dpipe_op_info info;
4374 uint32_t type;
4375 };
4376
4377 static void pr_out_dpipe_action(struct dpipe_action *action,
4378 struct dpipe_ctx *ctx)
4379 {
4380 struct dpipe_op_info *op_info = &action->info;
4381 const char *mapping;
4382
4383 pr_out_str(ctx->dl, "type",
4384 dpipe_action_type_e2s(action->type));
4385 pr_out_str(ctx->dl, "header",
4386 dpipe_header_id2s(ctx, op_info->header_id,
4387 op_info->header_global));
4388 pr_out_str(ctx->dl, "field",
4389 dpipe_field_id2s(ctx, op_info->header_id,
4390 op_info->field_id,
4391 op_info->header_global));
4392 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4393 op_info->field_id,
4394 op_info->header_global);
4395 if (mapping)
4396 pr_out_str(ctx->dl, "mapping", mapping);
4397 }
4398
4399 static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
4400 {
4401 struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
4402 int err;
4403
4404 err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
4405 if (err != MNL_CB_OK)
4406 return -EINVAL;
4407
4408 if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
4409 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4410 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4411 !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4412 return -EINVAL;
4413 }
4414
4415 action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
4416 action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4417 action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4418 action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4419
4420 return 0;
4421 }
4422
4423 static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
4424 struct nlattr *nla_actions)
4425 {
4426 struct nlattr *nla_action;
4427 struct dpipe_action action;
4428
4429 mnl_attr_for_each_nested(nla_action, nla_actions) {
4430 pr_out_entry_start(ctx->dl);
4431 if (dpipe_action_parse(&action, nla_action))
4432 goto err_action_parse;
4433 pr_out_dpipe_action(&action, ctx);
4434 pr_out_entry_end(ctx->dl);
4435 }
4436 return 0;
4437
4438 err_action_parse:
4439 pr_out_entry_end(ctx->dl);
4440 return -EINVAL;
4441 }
4442
4443 static const char *
4444 dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
4445 {
4446 switch (match_type) {
4447 case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
4448 return "field_exact";
4449 default:
4450 return "<unknown>";
4451 }
4452 }
4453
4454 struct dpipe_match {
4455 struct dpipe_op_info info;
4456 uint32_t type;
4457 };
4458
4459 static void pr_out_dpipe_match(struct dpipe_match *match,
4460 struct dpipe_ctx *ctx)
4461 {
4462 struct dpipe_op_info *op_info = &match->info;
4463 const char *mapping;
4464
4465 pr_out_str(ctx->dl, "type",
4466 dpipe_match_type_e2s(match->type));
4467 pr_out_str(ctx->dl, "header",
4468 dpipe_header_id2s(ctx, op_info->header_id,
4469 op_info->header_global));
4470 pr_out_str(ctx->dl, "field",
4471 dpipe_field_id2s(ctx, op_info->header_id,
4472 op_info->field_id,
4473 op_info->header_global));
4474 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4475 op_info->field_id,
4476 op_info->header_global);
4477 if (mapping)
4478 pr_out_str(ctx->dl, "mapping", mapping);
4479 }
4480
4481 static int dpipe_match_parse(struct dpipe_match *match,
4482 struct nlattr *nl)
4483
4484 {
4485 struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
4486 int err;
4487
4488 err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
4489 if (err != MNL_CB_OK)
4490 return -EINVAL;
4491
4492 if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
4493 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4494 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4495 !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4496 return -EINVAL;
4497 }
4498
4499 match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
4500 match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4501 match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4502 match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4503
4504 return 0;
4505 }
4506
4507 static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
4508 struct nlattr *nla_matches)
4509 {
4510 struct nlattr *nla_match;
4511 struct dpipe_match match;
4512
4513 mnl_attr_for_each_nested(nla_match, nla_matches) {
4514 pr_out_entry_start(ctx->dl);
4515 if (dpipe_match_parse(&match, nla_match))
4516 goto err_match_parse;
4517 pr_out_dpipe_match(&match, ctx);
4518 pr_out_entry_end(ctx->dl);
4519 }
4520 return 0;
4521
4522 err_match_parse:
4523 pr_out_entry_end(ctx->dl);
4524 return -EINVAL;
4525 }
4526
4527 static struct resource *
4528 resource_find(struct resources *resources, struct resource *resource,
4529 uint64_t resource_id)
4530 {
4531 struct list_head *list_head;
4532
4533 if (!resource)
4534 list_head = &resources->resource_list;
4535 else
4536 list_head = &resource->resource_list;
4537
4538 list_for_each_entry(resource, list_head, list) {
4539 struct resource *child_resource;
4540
4541 if (resource->id == resource_id)
4542 return resource;
4543
4544 child_resource = resource_find(resources, resource,
4545 resource_id);
4546 if (child_resource)
4547 return child_resource;
4548 }
4549 return NULL;
4550 }
4551
4552 static void
4553 resource_path_print(struct dl *dl, struct resources *resources,
4554 uint64_t resource_id)
4555 {
4556 struct resource *resource, *parent_resource;
4557 const char del[] = "/";
4558 int path_len = 0;
4559 char *path;
4560
4561 resource = resource_find(resources, NULL, resource_id);
4562 if (!resource)
4563 return;
4564
4565 for (parent_resource = resource; parent_resource;
4566 parent_resource = parent_resource->parent)
4567 path_len += strlen(parent_resource->name) + 1;
4568
4569 path_len++;
4570 path = calloc(1, path_len);
4571 if (!path)
4572 return;
4573
4574 path += path_len - 1;
4575 for (parent_resource = resource; parent_resource;
4576 parent_resource = parent_resource->parent) {
4577 path -= strlen(parent_resource->name);
4578 memcpy(path, parent_resource->name,
4579 strlen(parent_resource->name));
4580 path -= strlen(del);
4581 memcpy(path, del, strlen(del));
4582 }
4583 pr_out_str(dl, "resource_path", path);
4584 free(path);
4585 }
4586
4587 static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
4588 {
4589 struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
4590 struct dpipe_table *table;
4591 uint32_t resource_units;
4592 bool counters_enabled;
4593 bool resource_valid;
4594 uint32_t size;
4595 int err;
4596
4597 err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
4598 if (err != MNL_CB_OK)
4599 return -EINVAL;
4600
4601 if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
4602 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
4603 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
4604 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
4605 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
4606 return -EINVAL;
4607 }
4608
4609 table = dpipe_table_alloc();
4610 if (!table)
4611 return -ENOMEM;
4612
4613 table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
4614 size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
4615 counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
4616
4617 resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
4618 ctx->resources;
4619 if (resource_valid) {
4620 table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
4621 table->resource_valid = true;
4622 }
4623
4624 list_add_tail(&table->list, &ctx->tables->table_list);
4625 if (!ctx->print_tables)
4626 return 0;
4627
4628 pr_out_str(ctx->dl, "name", table->name);
4629 pr_out_uint(ctx->dl, "size", size);
4630 pr_out_str(ctx->dl, "counters_enabled",
4631 counters_enabled ? "true" : "false");
4632
4633 if (resource_valid) {
4634 resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
4635 resource_path_print(ctx->dl, ctx->resources,
4636 table->resource_id);
4637 pr_out_uint(ctx->dl, "resource_units", resource_units);
4638 }
4639
4640 pr_out_array_start(ctx->dl, "match");
4641 if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
4642 goto err_matches_show;
4643 pr_out_array_end(ctx->dl);
4644
4645 pr_out_array_start(ctx->dl, "action");
4646 if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
4647 goto err_actions_show;
4648 pr_out_array_end(ctx->dl);
4649
4650 return 0;
4651
4652 err_actions_show:
4653 err_matches_show:
4654 pr_out_array_end(ctx->dl);
4655 return -EINVAL;
4656 }
4657
4658 static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
4659 {
4660 struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
4661 struct nlattr *nla_table;
4662
4663 mnl_attr_for_each_nested(nla_table, nla_tables) {
4664 if (ctx->print_tables)
4665 pr_out_handle_start_arr(ctx->dl, tb);
4666 if (dpipe_table_show(ctx, nla_table))
4667 goto err_table_show;
4668 if (ctx->print_tables)
4669 pr_out_handle_end(ctx->dl);
4670 }
4671 return 0;
4672
4673 err_table_show:
4674 if (ctx->print_tables)
4675 pr_out_handle_end(ctx->dl);
4676 return -EINVAL;
4677 }
4678
4679 static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
4680 {
4681 struct dpipe_ctx *ctx = data;
4682 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4683 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4684
4685 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4686 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4687 !tb[DEVLINK_ATTR_DPIPE_TABLES])
4688 return MNL_CB_ERROR;
4689
4690 if (dpipe_tables_show(ctx, tb))
4691 return MNL_CB_ERROR;
4692 return MNL_CB_OK;
4693 }
4694
4695 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
4696
4697 static int cmd_dpipe_table_show(struct dl *dl)
4698 {
4699 struct nlmsghdr *nlh;
4700 struct dpipe_ctx dpipe_ctx = {};
4701 struct resource_ctx resource_ctx = {};
4702 uint16_t flags = NLM_F_REQUEST;
4703 int err;
4704
4705 err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
4706 if (err)
4707 return err;
4708
4709 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4710
4711 err = dpipe_ctx_init(&dpipe_ctx, dl);
4712 if (err)
4713 return err;
4714
4715 dpipe_ctx.print_tables = true;
4716
4717 dl_opts_put(nlh, dl);
4718 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
4719 &dpipe_ctx);
4720 if (err) {
4721 pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
4722 goto err_headers_get;
4723 }
4724
4725 err = resource_ctx_init(&resource_ctx, dl);
4726 if (err)
4727 goto err_resource_ctx_init;
4728
4729 resource_ctx.print_resources = false;
4730 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
4731 dl_opts_put(nlh, dl);
4732 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
4733 &resource_ctx);
4734 if (!err)
4735 dpipe_ctx.resources = resource_ctx.resources;
4736
4737 flags = NLM_F_REQUEST | NLM_F_ACK;
4738 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
4739 dl_opts_put(nlh, dl);
4740
4741 pr_out_section_start(dl, "table");
4742 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
4743 pr_out_section_end(dl);
4744
4745 resource_ctx_fini(&resource_ctx);
4746 dpipe_ctx_fini(&dpipe_ctx);
4747 return 0;
4748
4749 err_resource_ctx_init:
4750 err_headers_get:
4751 dpipe_ctx_fini(&dpipe_ctx);
4752 return err;
4753 }
4754
4755 static int cmd_dpipe_table_set(struct dl *dl)
4756 {
4757 struct nlmsghdr *nlh;
4758 int err;
4759
4760 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
4761 NLM_F_REQUEST | NLM_F_ACK);
4762
4763 err = dl_argv_parse_put(nlh, dl,
4764 DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
4765 DL_OPT_DPIPE_TABLE_COUNTERS, 0);
4766 if (err)
4767 return err;
4768
4769 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4770 }
4771
4772 enum dpipe_value_type {
4773 DPIPE_VALUE_TYPE_VALUE,
4774 DPIPE_VALUE_TYPE_MASK,
4775 };
4776
4777 static const char *
4778 dpipe_value_type_e2s(enum dpipe_value_type type)
4779 {
4780 switch (type) {
4781 case DPIPE_VALUE_TYPE_VALUE:
4782 return "value";
4783 case DPIPE_VALUE_TYPE_MASK:
4784 return "value_mask";
4785 default:
4786 return "<unknown>";
4787 }
4788 }
4789
4790 struct dpipe_field_printer {
4791 unsigned int field_id;
4792 void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
4793 };
4794
4795 struct dpipe_header_printer {
4796 struct dpipe_field_printer *printers;
4797 unsigned int printers_count;
4798 unsigned int header_id;
4799 };
4800
4801 static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
4802 enum dpipe_value_type type,
4803 void *value)
4804 {
4805 struct in_addr ip_addr;
4806
4807 ip_addr.s_addr = htonl(*(uint32_t *)value);
4808 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
4809 }
4810
4811 static void
4812 dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
4813 enum dpipe_value_type type,
4814 void *value)
4815 {
4816 pr_out_str(ctx->dl, dpipe_value_type_e2s(type),
4817 ether_ntoa((struct ether_addr *)value));
4818 }
4819
4820 static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
4821 enum dpipe_value_type type,
4822 void *value)
4823 {
4824 char str[INET6_ADDRSTRLEN];
4825
4826 inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
4827 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), str);
4828 }
4829
4830 static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
4831 {
4832 .printer = dpipe_field_printer_ipv4_addr,
4833 .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
4834 }
4835 };
4836
4837 static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
4838 .printers = dpipe_field_printers_ipv4,
4839 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
4840 .header_id = DEVLINK_DPIPE_HEADER_IPV4,
4841 };
4842
4843 static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
4844 {
4845 .printer = dpipe_field_printer_ethernet_addr,
4846 .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
4847 },
4848 };
4849
4850 static struct dpipe_header_printer dpipe_header_printer_ethernet = {
4851 .printers = dpipe_field_printers_ethernet,
4852 .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
4853 .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
4854 };
4855
4856 static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
4857 {
4858 .printer = dpipe_field_printer_ipv6_addr,
4859 .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
4860 }
4861 };
4862
4863 static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
4864 .printers = dpipe_field_printers_ipv6,
4865 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
4866 .header_id = DEVLINK_DPIPE_HEADER_IPV6,
4867 };
4868
4869 static struct dpipe_header_printer *dpipe_header_printers[] = {
4870 &dpipe_header_printer_ipv4,
4871 &dpipe_header_printer_ethernet,
4872 &dpipe_header_printer_ipv6,
4873 };
4874
4875 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
4876 struct dpipe_op_info *info,
4877 enum dpipe_value_type type,
4878 void *value)
4879 {
4880 unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
4881 struct dpipe_header_printer *header_printer;
4882 struct dpipe_field_printer *field_printer;
4883 unsigned int field_printers_count;
4884 int j;
4885 int i;
4886
4887 for (i = 0; i < header_printers_count; i++) {
4888 header_printer = dpipe_header_printers[i];
4889 if (header_printer->header_id != info->header_id)
4890 continue;
4891 field_printers_count = header_printer->printers_count;
4892 for (j = 0; j < field_printers_count; j++) {
4893 field_printer = &header_printer->printers[j];
4894 if (field_printer->field_id != info->field_id)
4895 continue;
4896 field_printer->printer(ctx, type, value);
4897 return 0;
4898 }
4899 }
4900
4901 return -EINVAL;
4902 }
4903
4904 static void __pr_out_entry_value(struct dpipe_ctx *ctx,
4905 void *value,
4906 unsigned int value_len,
4907 struct dpipe_op_info *info,
4908 enum dpipe_value_type type)
4909 {
4910 if (info->header_global &&
4911 !dpipe_print_prot_header(ctx, info, type, value))
4912 return;
4913
4914 if (value_len == sizeof(uint32_t)) {
4915 uint32_t *value_32 = value;
4916
4917 pr_out_uint(ctx->dl, dpipe_value_type_e2s(type), *value_32);
4918 }
4919 }
4920
4921 static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
4922 struct nlattr **nla_match_value,
4923 struct dpipe_op_info *info)
4924 {
4925 void *value, *value_mask;
4926 uint32_t value_mapping;
4927 uint16_t value_len;
4928 bool mask, mapping;
4929
4930 mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
4931 mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
4932
4933 value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
4934 value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
4935
4936 if (mapping) {
4937 value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
4938 pr_out_uint(ctx->dl, "mapping_value", value_mapping);
4939 }
4940
4941 if (mask) {
4942 value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
4943 __pr_out_entry_value(ctx, value_mask, value_len, info,
4944 DPIPE_VALUE_TYPE_MASK);
4945 }
4946
4947 __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
4948 }
4949
4950 static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
4951 struct nlattr *nl)
4952 {
4953 struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
4954 struct dpipe_match match;
4955 int err;
4956
4957 err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
4958 if (err != MNL_CB_OK)
4959 return -EINVAL;
4960
4961 if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
4962 !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
4963 return -EINVAL;
4964 }
4965
4966 pr_out_entry_start(ctx->dl);
4967 if (dpipe_match_parse(&match,
4968 nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
4969 goto err_match_parse;
4970 pr_out_dpipe_match(&match, ctx);
4971 pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
4972 pr_out_entry_end(ctx->dl);
4973
4974 return 0;
4975
4976 err_match_parse:
4977 pr_out_entry_end(ctx->dl);
4978 return -EINVAL;
4979 }
4980
4981 static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
4982 struct nlattr *nl)
4983 {
4984 struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
4985 struct dpipe_action action;
4986 int err;
4987
4988 err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
4989 if (err != MNL_CB_OK)
4990 return -EINVAL;
4991
4992 if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
4993 !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
4994 return -EINVAL;
4995 }
4996
4997 pr_out_entry_start(ctx->dl);
4998 if (dpipe_action_parse(&action,
4999 nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
5000 goto err_action_parse;
5001 pr_out_dpipe_action(&action, ctx);
5002 pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
5003 pr_out_entry_end(ctx->dl);
5004
5005 return 0;
5006
5007 err_action_parse:
5008 pr_out_entry_end(ctx->dl);
5009 return -EINVAL;
5010 }
5011
5012 static int
5013 dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
5014 struct nlattr *nla_action_values)
5015 {
5016 struct nlattr *nla_action_value;
5017
5018 mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
5019 if (dpipe_entry_action_value_show(ctx, nla_action_value))
5020 return -EINVAL;
5021 }
5022 return 0;
5023 }
5024
5025 static int
5026 dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
5027 struct nlattr *nla_match_values)
5028 {
5029 struct nlattr *nla_match_value;
5030
5031 mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
5032 if (dpipe_entry_match_value_show(ctx, nla_match_value))
5033 return -EINVAL;
5034 }
5035 return 0;
5036 }
5037
5038 static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5039 {
5040 struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
5041 uint32_t entry_index;
5042 uint64_t counter;
5043 int err;
5044
5045 err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
5046 if (err != MNL_CB_OK)
5047 return -EINVAL;
5048
5049 if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
5050 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
5051 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
5052 return -EINVAL;
5053 }
5054
5055 entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
5056 pr_out_uint(ctx->dl, "index", entry_index);
5057
5058 if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
5059 counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
5060 pr_out_uint(ctx->dl, "counter", counter);
5061 }
5062
5063 pr_out_array_start(ctx->dl, "match_value");
5064 if (dpipe_tables_match_values_show(ctx,
5065 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
5066 goto err_match_values_show;
5067 pr_out_array_end(ctx->dl);
5068
5069 pr_out_array_start(ctx->dl, "action_value");
5070 if (dpipe_tables_action_values_show(ctx,
5071 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
5072 goto err_action_values_show;
5073 pr_out_array_end(ctx->dl);
5074 return 0;
5075
5076 err_action_values_show:
5077 err_match_values_show:
5078 pr_out_array_end(ctx->dl);
5079 return -EINVAL;
5080 }
5081
5082 static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5083 {
5084 struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
5085 struct nlattr *nla_entry;
5086
5087 mnl_attr_for_each_nested(nla_entry, nla_entries) {
5088 pr_out_handle_start_arr(ctx->dl, tb);
5089 if (dpipe_entry_show(ctx, nla_entry))
5090 goto err_entry_show;
5091 pr_out_handle_end(ctx->dl);
5092 }
5093 return 0;
5094
5095 err_entry_show:
5096 pr_out_handle_end(ctx->dl);
5097 return -EINVAL;
5098 }
5099
5100 static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
5101 {
5102 struct dpipe_ctx *ctx = data;
5103 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5104 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5105
5106 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5107 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5108 !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
5109 return MNL_CB_ERROR;
5110
5111 if (dpipe_table_entries_show(ctx, tb))
5112 return MNL_CB_ERROR;
5113 return MNL_CB_OK;
5114 }
5115
5116 static int cmd_dpipe_table_dump(struct dl *dl)
5117 {
5118 struct nlmsghdr *nlh;
5119 struct dpipe_ctx ctx = {};
5120 uint16_t flags = NLM_F_REQUEST;
5121 int err;
5122
5123 err = dpipe_ctx_init(&ctx, dl);
5124 if (err)
5125 return err;
5126
5127 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
5128 if (err)
5129 goto out;
5130
5131 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5132 dl_opts_put(nlh, dl);
5133 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
5134 if (err) {
5135 pr_err("error get headers %s\n", strerror(ctx.err));
5136 goto out;
5137 }
5138
5139 flags = NLM_F_REQUEST | NLM_F_ACK;
5140 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
5141 dl_opts_put(nlh, dl);
5142
5143 pr_out_section_start(dl, "table_entry");
5144 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
5145 pr_out_section_end(dl);
5146 out:
5147 dpipe_ctx_fini(&ctx);
5148 return err;
5149 }
5150
5151 static void cmd_dpipe_table_help(void)
5152 {
5153 pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
5154 "where OBJECT-LIST := { show | set | dump }\n");
5155 }
5156
5157 static int cmd_dpipe_table(struct dl *dl)
5158 {
5159 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5160 cmd_dpipe_table_help();
5161 return 0;
5162 } else if (dl_argv_match(dl, "show")) {
5163 dl_arg_inc(dl);
5164 return cmd_dpipe_table_show(dl);
5165 } else if (dl_argv_match(dl, "set")) {
5166 dl_arg_inc(dl);
5167 return cmd_dpipe_table_set(dl);
5168 } else if (dl_argv_match(dl, "dump")) {
5169 dl_arg_inc(dl);
5170 return cmd_dpipe_table_dump(dl);
5171 }
5172 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5173 return -ENOENT;
5174 }
5175
5176 static void cmd_dpipe_help(void)
5177 {
5178 pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
5179 "where OBJECT-LIST := { header | table }\n");
5180 }
5181
5182 static int cmd_dpipe(struct dl *dl)
5183 {
5184 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5185 cmd_dpipe_help();
5186 return 0;
5187 } else if (dl_argv_match(dl, "header")) {
5188 dl_arg_inc(dl);
5189 return cmd_dpipe_header(dl);
5190 } else if (dl_argv_match(dl, "table")) {
5191 dl_arg_inc(dl);
5192 return cmd_dpipe_table(dl);
5193 }
5194 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5195 return -ENOENT;
5196 }
5197
5198 static int
5199 resource_parse(struct resource_ctx *ctx, struct resource *resource,
5200 struct nlattr **nla_resource)
5201 {
5202 if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
5203 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
5204 !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
5205 !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
5206 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
5207 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
5208 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
5209 return -EINVAL;
5210 }
5211
5212 resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
5213 resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
5214 resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
5215 resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
5216 resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
5217 resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
5218 resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
5219
5220 if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
5221 resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
5222 else
5223 resource->size_new = resource->size;
5224
5225 if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
5226 resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
5227 resource->occ_valid = true;
5228 }
5229
5230 if (resource->size_new != resource->size)
5231 ctx->pending_change = true;
5232
5233 return 0;
5234 }
5235
5236 static int
5237 resource_get(struct resource_ctx *ctx, struct resource *resource,
5238 struct resource *parent_resource, struct nlattr *nl)
5239 {
5240 struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
5241 struct nlattr *nla_child_resource;
5242 struct nlattr *nla_resources;
5243 bool top = false;
5244 int err;
5245
5246 if (!resource) {
5247 nla_resources = nl;
5248 top = true;
5249 goto out;
5250 }
5251
5252 err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
5253 if (err != MNL_CB_OK)
5254 return -EINVAL;
5255
5256 err = resource_parse(ctx, resource, nla_resource);
5257 if (err)
5258 return err;
5259
5260 resource->parent = parent_resource;
5261 if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
5262 return 0;
5263
5264 resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
5265 nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
5266 out:
5267 mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
5268 struct resource *child_resource;
5269 struct list_head *list;
5270
5271 child_resource = resource_alloc();
5272 if (!child_resource)
5273 return -ENOMEM;
5274
5275 if (top)
5276 list = &ctx->resources->resource_list;
5277 else
5278 list = &resource->resource_list;
5279
5280 list_add_tail(&child_resource->list, list);
5281 err = resource_get(ctx, child_resource, resource,
5282 nla_child_resource);
5283 if (err)
5284 return err;
5285 }
5286
5287 return 0;
5288 }
5289
5290 static const char *resource_unit_str_get(enum devlink_resource_unit unit)
5291 {
5292 switch (unit) {
5293 case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
5294 default: return "<unknown unit>";
5295 }
5296 }
5297
5298 static void resource_show(struct resource *resource,
5299 struct resource_ctx *ctx)
5300 {
5301 struct resource *child_resource;
5302 struct dpipe_table *table;
5303 struct dl *dl = ctx->dl;
5304 bool array = false;
5305
5306 pr_out_str(dl, "name", resource->name);
5307 if (dl->verbose)
5308 resource_path_print(dl, ctx->resources, resource->id);
5309 pr_out_u64(dl, "size", resource->size);
5310 if (resource->size != resource->size_new)
5311 pr_out_u64(dl, "size_new", resource->size_new);
5312 if (resource->occ_valid)
5313 pr_out_uint(dl, "occ", resource->size_occ);
5314 pr_out_str(dl, "unit", resource_unit_str_get(resource->unit));
5315
5316 if (resource->size_min != resource->size_max) {
5317 pr_out_uint(dl, "size_min", resource->size_min);
5318 pr_out_u64(dl, "size_max", resource->size_max);
5319 pr_out_uint(dl, "size_gran", resource->size_gran);
5320 }
5321
5322 list_for_each_entry(table, &ctx->tables->table_list, list)
5323 if (table->resource_id == resource->id &&
5324 table->resource_valid)
5325 array = true;
5326
5327 if (array)
5328 pr_out_array_start(dl, "dpipe_tables");
5329 else
5330 pr_out_str(dl, "dpipe_tables", "none");
5331
5332 list_for_each_entry(table, &ctx->tables->table_list, list) {
5333 if (table->resource_id != resource->id ||
5334 !table->resource_valid)
5335 continue;
5336 pr_out_entry_start(dl);
5337 pr_out_str(dl, "table_name", table->name);
5338 pr_out_entry_end(dl);
5339 }
5340 if (array)
5341 pr_out_array_end(dl);
5342
5343 if (list_empty(&resource->resource_list))
5344 return;
5345
5346 if (ctx->pending_change)
5347 pr_out_str(dl, "size_valid", resource->size_valid ?
5348 "true" : "false");
5349 pr_out_array_start(dl, "resources");
5350 list_for_each_entry(child_resource, &resource->resource_list, list) {
5351 pr_out_entry_start(dl);
5352 resource_show(child_resource, ctx);
5353 pr_out_entry_end(dl);
5354 }
5355 pr_out_array_end(dl);
5356 }
5357
5358 static void
5359 resources_show(struct resource_ctx *ctx, struct nlattr **tb)
5360 {
5361 struct resources *resources = ctx->resources;
5362 struct resource *resource;
5363
5364 list_for_each_entry(resource, &resources->resource_list, list) {
5365 pr_out_handle_start_arr(ctx->dl, tb);
5366 resource_show(resource, ctx);
5367 pr_out_handle_end(ctx->dl);
5368 }
5369 }
5370
5371 static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
5372 {
5373 return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
5374 }
5375
5376 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
5377 {
5378 struct resource_ctx *ctx = data;
5379 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5380 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5381 int err;
5382
5383 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5384 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5385 !tb[DEVLINK_ATTR_RESOURCE_LIST])
5386 return MNL_CB_ERROR;
5387
5388 err = resources_get(ctx, tb);
5389 if (err) {
5390 ctx->err = err;
5391 return MNL_CB_ERROR;
5392 }
5393
5394 if (ctx->print_resources)
5395 resources_show(ctx, tb);
5396
5397 return MNL_CB_OK;
5398 }
5399
5400 static int cmd_resource_show(struct dl *dl)
5401 {
5402 struct nlmsghdr *nlh;
5403 struct dpipe_ctx dpipe_ctx = {};
5404 struct resource_ctx resource_ctx = {};
5405 int err;
5406
5407 err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
5408 if (err)
5409 return err;
5410
5411 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
5412 NLM_F_REQUEST);
5413 dl_opts_put(nlh, dl);
5414
5415 err = dpipe_ctx_init(&dpipe_ctx, dl);
5416 if (err)
5417 return err;
5418
5419 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
5420 &dpipe_ctx);
5421 if (err) {
5422 pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
5423 goto out;
5424 }
5425
5426 err = resource_ctx_init(&resource_ctx, dl);
5427 if (err)
5428 goto out;
5429
5430 resource_ctx.print_resources = true;
5431 resource_ctx.tables = dpipe_ctx.tables;
5432 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5433 NLM_F_REQUEST | NLM_F_ACK);
5434 dl_opts_put(nlh, dl);
5435 pr_out_section_start(dl, "resources");
5436 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
5437 &resource_ctx);
5438 pr_out_section_end(dl);
5439 resource_ctx_fini(&resource_ctx);
5440 out:
5441 dpipe_ctx_fini(&dpipe_ctx);
5442 return err;
5443 }
5444
5445 static void cmd_resource_help(void)
5446 {
5447 pr_err("Usage: devlink resource show DEV\n"
5448 " devlink resource set DEV path PATH size SIZE\n");
5449 }
5450
5451 static struct resource *
5452 resource_find_by_name(struct list_head *list, char *name)
5453 {
5454 struct resource *resource;
5455
5456 list_for_each_entry(resource, list, list) {
5457 if (!strcmp(resource->name, name))
5458 return resource;
5459 }
5460 return NULL;
5461 }
5462
5463 static int
5464 resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
5465 uint32_t *p_resource_id, bool *p_resource_valid)
5466 {
5467 struct resource *resource;
5468 uint32_t resource_id = 0;
5469 char *resource_path_dup;
5470 struct list_head *list;
5471 const char del[] = "/";
5472 char *resource_name;
5473
5474 resource_path_dup = strdup(resource_path);
5475 list = &ctx->resources->resource_list;
5476 resource_name = strtok(resource_path_dup, del);
5477 while (resource_name != NULL) {
5478 resource = resource_find_by_name(list, resource_name);
5479 if (!resource)
5480 goto err_resource_lookup;
5481
5482 list = &resource->resource_list;
5483 resource_name = strtok(NULL, del);
5484 resource_id = resource->id;
5485 }
5486 free(resource_path_dup);
5487 *p_resource_valid = true;
5488 *p_resource_id = resource_id;
5489 return 0;
5490
5491 err_resource_lookup:
5492 free(resource_path_dup);
5493 return -EINVAL;
5494 }
5495
5496 static int cmd_resource_set(struct dl *dl)
5497 {
5498 struct nlmsghdr *nlh;
5499 struct resource_ctx ctx = {};
5500 int err;
5501
5502 err = resource_ctx_init(&ctx, dl);
5503 if (err)
5504 return err;
5505
5506 ctx.print_resources = false;
5507 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
5508 DL_OPT_RESOURCE_SIZE, 0);
5509 if (err)
5510 goto out;
5511
5512 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5513 NLM_F_REQUEST);
5514 dl_opts_put(nlh, dl);
5515 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
5516 if (err) {
5517 pr_err("error getting resources %s\n", strerror(ctx.err));
5518 goto out;
5519 }
5520
5521 err = resource_path_parse(&ctx, dl->opts.resource_path,
5522 &dl->opts.resource_id,
5523 &dl->opts.resource_id_valid);
5524 if (err) {
5525 pr_err("error parsing resource path %s\n", strerror(-err));
5526 goto out;
5527 }
5528
5529 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
5530 NLM_F_REQUEST | NLM_F_ACK);
5531
5532 dl_opts_put(nlh, dl);
5533 err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5534 out:
5535 resource_ctx_fini(&ctx);
5536 return err;
5537 }
5538
5539 static int cmd_resource(struct dl *dl)
5540 {
5541 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5542 cmd_resource_help();
5543 return 0;
5544 } else if (dl_argv_match(dl, "show")) {
5545 dl_arg_inc(dl);
5546 return cmd_resource_show(dl);
5547 } else if (dl_argv_match(dl, "set")) {
5548 dl_arg_inc(dl);
5549 return cmd_resource_set(dl);
5550 }
5551 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5552 return -ENOENT;
5553 }
5554
5555 static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
5556 {
5557 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
5558 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
5559 const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
5560 char buf[256];
5561
5562 sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
5563 if (dl->json_output) {
5564 jsonw_name(dl->jw, buf);
5565 jsonw_start_object(dl->jw);
5566 } else {
5567 pr_out("%s:", buf);
5568 }
5569 }
5570
5571 static void pr_out_region_handle_end(struct dl *dl)
5572 {
5573 if (dl->json_output)
5574 jsonw_end_object(dl->jw);
5575 else
5576 pr_out("\n");
5577 }
5578
5579 static void pr_out_region_snapshots_start(struct dl *dl, bool array)
5580 {
5581 if (dl->json_output) {
5582 jsonw_name(dl->jw, "snapshot");
5583 jsonw_start_array(dl->jw);
5584 } else {
5585 if (g_indent_newline)
5586 pr_out("snapshot %s", array ? "[" : "");
5587 else
5588 pr_out(" snapshot %s", array ? "[" : "");
5589 }
5590 }
5591
5592 static void pr_out_region_snapshots_end(struct dl *dl, bool array)
5593 {
5594 if (dl->json_output)
5595 jsonw_end_array(dl->jw);
5596 else if (array)
5597 pr_out("]");
5598 }
5599
5600 static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
5601 {
5602 uint32_t snapshot_id;
5603
5604 if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5605 return;
5606
5607 snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
5608
5609 if (dl->json_output)
5610 jsonw_uint(dl->jw, snapshot_id);
5611 else
5612 pr_out("%s%u", index ? " " : "", snapshot_id);
5613 }
5614
5615 static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
5616 {
5617 struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
5618 struct nlattr *nla_sanpshot;
5619 int err, index = 0;
5620
5621 pr_out_region_snapshots_start(dl, true);
5622 mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
5623 err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
5624 if (err != MNL_CB_OK)
5625 return;
5626 pr_out_region_snapshots_id(dl, tb_snapshot, index++);
5627 }
5628 pr_out_region_snapshots_end(dl, true);
5629 }
5630
5631 static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
5632 {
5633 pr_out_region_snapshots_start(dl, false);
5634 pr_out_region_snapshots_id(dl, tb, 0);
5635 pr_out_region_snapshots_end(dl, false);
5636 }
5637
5638 static void pr_out_region(struct dl *dl, struct nlattr **tb)
5639 {
5640 pr_out_region_handle_start(dl, tb);
5641
5642 if (tb[DEVLINK_ATTR_REGION_SIZE])
5643 pr_out_u64(dl, "size",
5644 mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
5645
5646 if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
5647 pr_out_snapshots(dl, tb);
5648
5649 if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5650 pr_out_snapshot(dl, tb);
5651
5652 pr_out_region_handle_end(dl);
5653 }
5654
5655 static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
5656 {
5657 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5658 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5659 struct dl *dl = data;
5660
5661 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5662 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5663 !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
5664 return MNL_CB_ERROR;
5665
5666 pr_out_region(dl, tb);
5667
5668 return MNL_CB_OK;
5669 }
5670
5671 static int cmd_region_show(struct dl *dl)
5672 {
5673 struct nlmsghdr *nlh;
5674 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
5675 int err;
5676
5677 if (dl_argc(dl) == 0)
5678 flags |= NLM_F_DUMP;
5679
5680 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
5681
5682 if (dl_argc(dl) > 0) {
5683 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
5684 if (err)
5685 return err;
5686 }
5687
5688 pr_out_section_start(dl, "regions");
5689 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
5690 pr_out_section_end(dl);
5691 return err;
5692 }
5693
5694 static int cmd_region_snapshot_del(struct dl *dl)
5695 {
5696 struct nlmsghdr *nlh;
5697 int err;
5698
5699 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
5700 NLM_F_REQUEST | NLM_F_ACK);
5701
5702 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5703 DL_OPT_REGION_SNAPSHOT_ID, 0);
5704 if (err)
5705 return err;
5706
5707 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5708 }
5709
5710 static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
5711 {
5712 struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
5713 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5714 struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
5715 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5716 struct dl *dl = data;
5717 int err;
5718
5719 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5720 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5721 !tb[DEVLINK_ATTR_REGION_CHUNKS])
5722 return MNL_CB_ERROR;
5723
5724 mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
5725 err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
5726 if (err != MNL_CB_OK)
5727 return MNL_CB_ERROR;
5728
5729 nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
5730 if (!nla_chunk_data)
5731 continue;
5732
5733 nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
5734 if (!nla_chunk_addr)
5735 continue;
5736
5737 pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
5738 mnl_attr_get_payload_len(nla_chunk_data),
5739 mnl_attr_get_u64(nla_chunk_addr));
5740 }
5741 return MNL_CB_OK;
5742 }
5743
5744 static int cmd_region_dump(struct dl *dl)
5745 {
5746 struct nlmsghdr *nlh;
5747 int err;
5748
5749 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5750 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5751
5752 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5753 DL_OPT_REGION_SNAPSHOT_ID, 0);
5754 if (err)
5755 return err;
5756
5757 pr_out_section_start(dl, "dump");
5758 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5759 pr_out_section_end(dl);
5760 if (!dl->json_output)
5761 pr_out("\n");
5762 return err;
5763 }
5764
5765 static int cmd_region_read(struct dl *dl)
5766 {
5767 struct nlmsghdr *nlh;
5768 int err;
5769
5770 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5771 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5772
5773 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5774 DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
5775 DL_OPT_REGION_SNAPSHOT_ID, 0);
5776 if (err)
5777 return err;
5778
5779 pr_out_section_start(dl, "read");
5780 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5781 pr_out_section_end(dl);
5782 if (!dl->json_output)
5783 pr_out("\n");
5784 return err;
5785 }
5786
5787 static void cmd_region_help(void)
5788 {
5789 pr_err("Usage: devlink region show [ DEV/REGION ]\n");
5790 pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
5791 pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
5792 pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
5793 }
5794
5795 static int cmd_region(struct dl *dl)
5796 {
5797 if (dl_no_arg(dl)) {
5798 return cmd_region_show(dl);
5799 } else if (dl_argv_match(dl, "help")) {
5800 cmd_region_help();
5801 return 0;
5802 } else if (dl_argv_match(dl, "show")) {
5803 dl_arg_inc(dl);
5804 return cmd_region_show(dl);
5805 } else if (dl_argv_match(dl, "del")) {
5806 dl_arg_inc(dl);
5807 return cmd_region_snapshot_del(dl);
5808 } else if (dl_argv_match(dl, "dump")) {
5809 dl_arg_inc(dl);
5810 return cmd_region_dump(dl);
5811 } else if (dl_argv_match(dl, "read")) {
5812 dl_arg_inc(dl);
5813 return cmd_region_read(dl);
5814 }
5815 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5816 return -ENOENT;
5817 }
5818
5819 static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
5820 {
5821 uint8_t *data;
5822 uint32_t len;
5823
5824 switch (type) {
5825 case MNL_TYPE_FLAG:
5826 pr_out_bool_value(dl, mnl_attr_get_u8(nl_data));
5827 break;
5828 case MNL_TYPE_U8:
5829 pr_out_uint_value(dl, mnl_attr_get_u8(nl_data));
5830 break;
5831 case MNL_TYPE_U16:
5832 pr_out_uint_value(dl, mnl_attr_get_u16(nl_data));
5833 break;
5834 case MNL_TYPE_U32:
5835 pr_out_uint_value(dl, mnl_attr_get_u32(nl_data));
5836 break;
5837 case MNL_TYPE_U64:
5838 pr_out_uint64_value(dl, mnl_attr_get_u64(nl_data));
5839 break;
5840 case MNL_TYPE_NUL_STRING:
5841 pr_out_str_value(dl, mnl_attr_get_str(nl_data));
5842 break;
5843 case MNL_TYPE_BINARY:
5844 len = mnl_attr_get_payload_len(nl_data);
5845 data = mnl_attr_get_payload(nl_data);
5846 pr_out_binary_value(dl, data, len);
5847 break;
5848 default:
5849 return -EINVAL;
5850 }
5851 return MNL_CB_OK;
5852 }
5853
5854 struct nest_qentry {
5855 int attr_type;
5856 TAILQ_ENTRY(nest_qentry) nest_entries;
5857 };
5858
5859 struct fmsg_cb_data {
5860 struct dl *dl;
5861 uint8_t value_type;
5862 TAILQ_HEAD(, nest_qentry) qhead;
5863 };
5864
5865 static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
5866 uint8_t *attr_value, bool insert)
5867 {
5868 struct nest_qentry *entry = NULL;
5869
5870 if (insert) {
5871 entry = malloc(sizeof(struct nest_qentry));
5872 if (!entry)
5873 return -ENOMEM;
5874
5875 entry->attr_type = *attr_value;
5876 TAILQ_INSERT_HEAD(&fmsg_data->qhead, entry, nest_entries);
5877 } else {
5878 if (TAILQ_EMPTY(&fmsg_data->qhead))
5879 return MNL_CB_ERROR;
5880 entry = TAILQ_FIRST(&fmsg_data->qhead);
5881 *attr_value = entry->attr_type;
5882 TAILQ_REMOVE(&fmsg_data->qhead, entry, nest_entries);
5883 free(entry);
5884 }
5885 return MNL_CB_OK;
5886 }
5887
5888 static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
5889 bool start)
5890 {
5891 struct dl *dl = fmsg_data->dl;
5892 uint8_t value = nest_value;
5893 int err;
5894
5895 err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
5896 if (err != MNL_CB_OK)
5897 return err;
5898
5899 switch (value) {
5900 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
5901 if (start)
5902 pr_out_entry_start(dl);
5903 else
5904 pr_out_entry_end(dl);
5905 break;
5906 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
5907 break;
5908 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
5909 if (dl->json_output) {
5910 if (start)
5911 jsonw_start_array(dl->jw);
5912 else
5913 jsonw_end_array(dl->jw);
5914 } else {
5915 if (start) {
5916 __pr_out_newline();
5917 __pr_out_indent_inc();
5918 } else {
5919 __pr_out_indent_dec();
5920 }
5921 }
5922 break;
5923 default:
5924 return -EINVAL;
5925 }
5926 return MNL_CB_OK;
5927 }
5928
5929 static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
5930 {
5931 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5932 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5933 struct fmsg_cb_data *fmsg_data = data;
5934 struct dl *dl = fmsg_data->dl;
5935 struct nlattr *nla_object;
5936 int attr_type;
5937 int err;
5938
5939 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5940 if (!tb[DEVLINK_ATTR_FMSG])
5941 return MNL_CB_ERROR;
5942
5943 mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
5944 attr_type = mnl_attr_get_type(nla_object);
5945 switch (attr_type) {
5946 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
5947 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
5948 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
5949 err = cmd_fmsg_nest(fmsg_data, attr_type, true);
5950 if (err != MNL_CB_OK)
5951 return err;
5952 break;
5953 case DEVLINK_ATTR_FMSG_NEST_END:
5954 err = cmd_fmsg_nest(fmsg_data, attr_type, false);
5955 if (err != MNL_CB_OK)
5956 return err;
5957 break;
5958 case DEVLINK_ATTR_FMSG_OBJ_NAME:
5959 pr_out_name(dl, mnl_attr_get_str(nla_object));
5960 break;
5961 case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
5962 fmsg_data->value_type = mnl_attr_get_u8(nla_object);
5963 break;
5964 case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
5965 err = fmsg_value_show(dl, fmsg_data->value_type,
5966 nla_object);
5967 if (err != MNL_CB_OK)
5968 return err;
5969 break;
5970 default:
5971 return -EINVAL;
5972 }
5973 }
5974 return MNL_CB_OK;
5975 }
5976
5977 static int cmd_health_object_common(struct dl *dl, uint8_t cmd)
5978 {
5979 struct fmsg_cb_data data;
5980 struct nlmsghdr *nlh;
5981 int err;
5982
5983 nlh = mnlg_msg_prepare(dl->nlg, cmd, NLM_F_REQUEST | NLM_F_ACK);
5984
5985 err = dl_argv_parse_put(nlh, dl,
5986 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
5987 if (err)
5988 return err;
5989
5990 data.dl = dl;
5991 TAILQ_INIT(&data.qhead);
5992 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
5993 return err;
5994 }
5995
5996 static int cmd_health_diagnose(struct dl *dl)
5997 {
5998 return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE);
5999 }
6000
6001 static int cmd_health_recover(struct dl *dl)
6002 {
6003 struct nlmsghdr *nlh;
6004 int err;
6005
6006 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
6007 NLM_F_REQUEST | NLM_F_ACK);
6008
6009 err = dl_argv_parse_put(nlh, dl,
6010 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6011 if (err)
6012 return err;
6013
6014 dl_opts_put(nlh, dl);
6015 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6016 }
6017
6018 enum devlink_health_reporter_state {
6019 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
6020 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
6021 };
6022
6023 static const char *health_state_name(uint8_t state)
6024 {
6025 switch (state) {
6026 case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
6027 return HEALTH_REPORTER_STATE_HEALTHY_STR;
6028 case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
6029 return HEALTH_REPORTER_STATE_ERROR_STR;
6030 default:
6031 return "<unknown state>";
6032 }
6033 }
6034
6035 static void format_logtime(uint64_t time_ms, char *ts_date, char *ts_time)
6036 {
6037 struct sysinfo s_info;
6038 struct tm *info;
6039 time_t now, sec;
6040 int err;
6041
6042 time(&now);
6043 info = localtime(&now);
6044 err = sysinfo(&s_info);
6045 if (err)
6046 goto out;
6047 /* Subtract uptime in sec from now yields the time of system
6048 * uptime. To this, add time_ms which is the amount of
6049 * milliseconds elapsed between uptime and the dump taken.
6050 */
6051 sec = now - s_info.uptime + time_ms / 1000;
6052 info = localtime(&sec);
6053 out:
6054 strftime(ts_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
6055 strftime(ts_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
6056 }
6057
6058 static void pr_out_health(struct dl *dl, struct nlattr **tb_health)
6059 {
6060 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6061 enum devlink_health_reporter_state state;
6062 const struct nlattr *attr;
6063 uint64_t time_ms;
6064 int err;
6065
6066 err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
6067 attr_cb, tb);
6068 if (err != MNL_CB_OK)
6069 return;
6070
6071 if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
6072 !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
6073 !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
6074 !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
6075 return;
6076
6077 pr_out_handle_start_arr(dl, tb_health);
6078
6079 pr_out_str(dl, "name",
6080 mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
6081 if (!dl->json_output) {
6082 __pr_out_newline();
6083 __pr_out_indent_inc();
6084 }
6085 state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
6086 pr_out_str(dl, "state", health_state_name(state));
6087 pr_out_u64(dl, "error",
6088 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
6089 pr_out_u64(dl, "recover",
6090 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
6091 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]) {
6092 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6093 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6094
6095 attr = tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS];
6096 time_ms = mnl_attr_get_u64(attr);
6097 format_logtime(time_ms, dump_date, dump_time);
6098
6099 pr_out_str(dl, "last_dump_date", dump_date);
6100 pr_out_str(dl, "last_dump_time", dump_time);
6101 }
6102 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
6103 pr_out_u64(dl, "grace_period",
6104 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
6105 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
6106 pr_out_bool(dl, "auto_recover",
6107 mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
6108
6109 __pr_out_indent_dec();
6110 pr_out_handle_end(dl);
6111 }
6112
6113 static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
6114 {
6115 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6116 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6117 struct dl *dl = data;
6118
6119 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6120 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6121 !tb[DEVLINK_ATTR_HEALTH_REPORTER])
6122 return MNL_CB_ERROR;
6123
6124 pr_out_health(dl, tb);
6125
6126 return MNL_CB_OK;
6127 }
6128
6129 static int cmd_health_show(struct dl *dl)
6130 {
6131 struct nlmsghdr *nlh;
6132 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6133 int err;
6134
6135 if (dl_argc(dl) == 0)
6136 flags |= NLM_F_DUMP;
6137 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
6138 flags);
6139
6140 if (dl_argc(dl) > 0) {
6141 err = dl_argv_parse_put(nlh, dl,
6142 DL_OPT_HANDLE |
6143 DL_OPT_HEALTH_REPORTER_NAME, 0);
6144 if (err)
6145 return err;
6146 }
6147 pr_out_section_start(dl, "health");
6148
6149 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, dl);
6150 pr_out_section_end(dl);
6151 return err;
6152 }
6153
6154 static void cmd_health_help(void)
6155 {
6156 pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
6157 pr_err(" devlink health recover DEV reporter REPORTER_NAME\n");
6158 pr_err(" devlink health diagnose DEV reporter REPORTER_NAME\n");
6159 }
6160
6161 static int cmd_health(struct dl *dl)
6162 {
6163 if (dl_argv_match(dl, "help")) {
6164 cmd_health_help();
6165 return 0;
6166 } else if (dl_argv_match(dl, "show") ||
6167 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
6168 dl_arg_inc(dl);
6169 return cmd_health_show(dl);
6170 } else if (dl_argv_match(dl, "recover")) {
6171 dl_arg_inc(dl);
6172 return cmd_health_recover(dl);
6173 } else if (dl_argv_match(dl, "diagnose")) {
6174 dl_arg_inc(dl);
6175 return cmd_health_diagnose(dl);
6176 }
6177 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6178 return -ENOENT;
6179 }
6180
6181 static void help(void)
6182 {
6183 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
6184 " devlink [ -f[orce] ] -b[atch] filename\n"
6185 "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health }\n"
6186 " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] }\n");
6187 }
6188
6189 static int dl_cmd(struct dl *dl, int argc, char **argv)
6190 {
6191 dl->argc = argc;
6192 dl->argv = argv;
6193
6194 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
6195 help();
6196 return 0;
6197 } else if (dl_argv_match(dl, "dev")) {
6198 dl_arg_inc(dl);
6199 return cmd_dev(dl);
6200 } else if (dl_argv_match(dl, "port")) {
6201 dl_arg_inc(dl);
6202 return cmd_port(dl);
6203 } else if (dl_argv_match(dl, "sb")) {
6204 dl_arg_inc(dl);
6205 return cmd_sb(dl);
6206 } else if (dl_argv_match(dl, "monitor")) {
6207 dl_arg_inc(dl);
6208 return cmd_mon(dl);
6209 } else if (dl_argv_match(dl, "dpipe")) {
6210 dl_arg_inc(dl);
6211 return cmd_dpipe(dl);
6212 } else if (dl_argv_match(dl, "resource")) {
6213 dl_arg_inc(dl);
6214 return cmd_resource(dl);
6215 } else if (dl_argv_match(dl, "region")) {
6216 dl_arg_inc(dl);
6217 return cmd_region(dl);
6218 } else if (dl_argv_match(dl, "health")) {
6219 dl_arg_inc(dl);
6220 return cmd_health(dl);
6221 }
6222 pr_err("Object \"%s\" not found\n", dl_argv(dl));
6223 return -ENOENT;
6224 }
6225
6226 static int dl_init(struct dl *dl)
6227 {
6228 int err;
6229
6230 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
6231 if (!dl->nlg) {
6232 pr_err("Failed to connect to devlink Netlink\n");
6233 return -errno;
6234 }
6235
6236 err = ifname_map_init(dl);
6237 if (err) {
6238 pr_err("Failed to create index map\n");
6239 goto err_ifname_map_create;
6240 }
6241 if (dl->json_output) {
6242 dl->jw = jsonw_new(stdout);
6243 if (!dl->jw) {
6244 pr_err("Failed to create JSON writer\n");
6245 goto err_json_new;
6246 }
6247 jsonw_pretty(dl->jw, dl->pretty_output);
6248 }
6249 return 0;
6250
6251 err_json_new:
6252 ifname_map_fini(dl);
6253 err_ifname_map_create:
6254 mnlg_socket_close(dl->nlg);
6255 return err;
6256 }
6257
6258 static void dl_fini(struct dl *dl)
6259 {
6260 if (dl->json_output)
6261 jsonw_destroy(&dl->jw);
6262 ifname_map_fini(dl);
6263 mnlg_socket_close(dl->nlg);
6264 }
6265
6266 static struct dl *dl_alloc(void)
6267 {
6268 struct dl *dl;
6269
6270 dl = calloc(1, sizeof(*dl));
6271 if (!dl)
6272 return NULL;
6273 return dl;
6274 }
6275
6276 static void dl_free(struct dl *dl)
6277 {
6278 free(dl);
6279 }
6280
6281 static int dl_batch(struct dl *dl, const char *name, bool force)
6282 {
6283 char *line = NULL;
6284 size_t len = 0;
6285 int ret = EXIT_SUCCESS;
6286
6287 if (name && strcmp(name, "-") != 0) {
6288 if (freopen(name, "r", stdin) == NULL) {
6289 fprintf(stderr,
6290 "Cannot open file \"%s\" for reading: %s\n",
6291 name, strerror(errno));
6292 return EXIT_FAILURE;
6293 }
6294 }
6295
6296 cmdlineno = 0;
6297 while (getcmdline(&line, &len, stdin) != -1) {
6298 char *largv[100];
6299 int largc;
6300
6301 largc = makeargs(line, largv, 100);
6302 if (!largc)
6303 continue; /* blank line */
6304
6305 if (dl_cmd(dl, largc, largv)) {
6306 fprintf(stderr, "Command failed %s:%d\n",
6307 name, cmdlineno);
6308 ret = EXIT_FAILURE;
6309 if (!force)
6310 break;
6311 }
6312 }
6313
6314 if (line)
6315 free(line);
6316
6317 return ret;
6318 }
6319
6320 int main(int argc, char **argv)
6321 {
6322 static const struct option long_options[] = {
6323 { "Version", no_argument, NULL, 'V' },
6324 { "force", no_argument, NULL, 'f' },
6325 { "batch", required_argument, NULL, 'b' },
6326 { "no-nice-names", no_argument, NULL, 'n' },
6327 { "json", no_argument, NULL, 'j' },
6328 { "pretty", no_argument, NULL, 'p' },
6329 { "verbose", no_argument, NULL, 'v' },
6330 { NULL, 0, NULL, 0 }
6331 };
6332 const char *batch_file = NULL;
6333 bool force = false;
6334 struct dl *dl;
6335 int opt;
6336 int err;
6337 int ret;
6338
6339 dl = dl_alloc();
6340 if (!dl) {
6341 pr_err("Failed to allocate memory for devlink\n");
6342 return EXIT_FAILURE;
6343 }
6344
6345 while ((opt = getopt_long(argc, argv, "Vfb:njpv",
6346 long_options, NULL)) >= 0) {
6347
6348 switch (opt) {
6349 case 'V':
6350 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
6351 ret = EXIT_SUCCESS;
6352 goto dl_free;
6353 case 'f':
6354 force = true;
6355 break;
6356 case 'b':
6357 batch_file = optarg;
6358 break;
6359 case 'n':
6360 dl->no_nice_names = true;
6361 break;
6362 case 'j':
6363 dl->json_output = true;
6364 break;
6365 case 'p':
6366 dl->pretty_output = true;
6367 break;
6368 case 'v':
6369 dl->verbose = true;
6370 break;
6371 default:
6372 pr_err("Unknown option.\n");
6373 help();
6374 ret = EXIT_FAILURE;
6375 goto dl_free;
6376 }
6377 }
6378
6379 argc -= optind;
6380 argv += optind;
6381
6382 err = dl_init(dl);
6383 if (err) {
6384 ret = EXIT_FAILURE;
6385 goto dl_free;
6386 }
6387
6388 if (batch_file)
6389 err = dl_batch(dl, batch_file, force);
6390 else
6391 err = dl_cmd(dl, argc, argv);
6392
6393 if (err) {
6394 ret = EXIT_FAILURE;
6395 goto dl_fini;
6396 }
6397
6398 ret = EXIT_SUCCESS;
6399
6400 dl_fini:
6401 dl_fini(dl);
6402 dl_free:
6403 dl_free(dl);
6404
6405 return ret;
6406 }
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