]> git.proxmox.com Git - mirror_iproute2.git/blob - devlink/devlink.c
projects / mirror_iproute2.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'master' into next
[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 <stdarg.h>
15 #include <string.h>
16 #include <stdbool.h>
17 #include <unistd.h>
18 #include <getopt.h>
19 #include <limits.h>
20 #include <errno.h>
21 #include <inttypes.h>
22 #include <sys/sysinfo.h>
23 #define _LINUX_SYSINFO_H /* avoid collision with musl header */
24 #include <linux/genetlink.h>
25 #include <linux/devlink.h>
26 #include <libmnl/libmnl.h>
27 #include <netinet/ether.h>
28 #include <sys/queue.h>
29
30 #include "SNAPSHOT.h"
31 #include "list.h"
32 #include "mnlg.h"
33 #include "json_writer.h"
34 #include "utils.h"
35
36 #define ESWITCH_MODE_LEGACY "legacy"
37 #define ESWITCH_MODE_SWITCHDEV "switchdev"
38 #define ESWITCH_INLINE_MODE_NONE "none"
39 #define ESWITCH_INLINE_MODE_LINK "link"
40 #define ESWITCH_INLINE_MODE_NETWORK "network"
41 #define ESWITCH_INLINE_MODE_TRANSPORT "transport"
42
43 #define PARAM_CMODE_RUNTIME_STR "runtime"
44 #define PARAM_CMODE_DRIVERINIT_STR "driverinit"
45 #define PARAM_CMODE_PERMANENT_STR "permanent"
46 #define DL_ARGS_REQUIRED_MAX_ERR_LEN 80
47
48 #define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy"
49 #define HEALTH_REPORTER_STATE_ERROR_STR "error"
50 #define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
51
52 static int g_new_line_count;
53 static int g_indent_level;
54 static bool g_indent_newline;
55
56 #define INDENT_STR_STEP 2
57 #define INDENT_STR_MAXLEN 32
58 static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
59
60 static void __attribute__((format(printf, 1, 2)))
61 pr_err(const char *fmt, ...)
62 {
63 va_list ap;
64
65 va_start(ap, fmt);
66 vfprintf(stderr, fmt, ap);
67 va_end(ap);
68 }
69
70 static void __attribute__((format(printf, 1, 2)))
71 pr_out(const char *fmt, ...)
72 {
73 va_list ap;
74
75 if (g_indent_newline) {
76 printf("%s", g_indent_str);
77 g_indent_newline = false;
78 }
79 va_start(ap, fmt);
80 vprintf(fmt, ap);
81 va_end(ap);
82 g_new_line_count = 0;
83 }
84
85 static void __attribute__((format(printf, 2, 3)))
86 pr_out_sp(unsigned int num, const char *fmt, ...)
87 {
88 va_list ap;
89 int ret;
90
91 va_start(ap, fmt);
92 ret = vprintf(fmt, ap);
93 va_end(ap);
94
95 if (ret < num)
96 printf("%*s", num - ret, "");
97 g_new_line_count = 0; \
98 }
99
100 static void __pr_out_indent_inc(void)
101 {
102 if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
103 return;
104 g_indent_level += INDENT_STR_STEP;
105 memset(g_indent_str, ' ', sizeof(g_indent_str));
106 g_indent_str[g_indent_level] = '\0';
107 }
108
109 static void __pr_out_indent_dec(void)
110 {
111 if (g_indent_level - INDENT_STR_STEP < 0)
112 return;
113 g_indent_level -= INDENT_STR_STEP;
114 g_indent_str[g_indent_level] = '\0';
115 }
116
117 static void __pr_out_newline(void)
118 {
119 if (g_new_line_count < 1) {
120 pr_out("\n");
121 g_indent_newline = true;
122 }
123 g_new_line_count++;
124 }
125
126 static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
127 mnl_cb_t data_cb, void *data)
128 {
129 int err;
130
131 err = mnlg_socket_recv_run(nlg, data_cb, data);
132 if (err < 0) {
133 pr_err("devlink answers: %s\n", strerror(errno));
134 return -errno;
135 }
136 return 0;
137 }
138
139 static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
140 const struct nlmsghdr *nlh,
141 mnl_cb_t data_cb, void *data)
142 {
143 int err;
144
145 err = mnlg_socket_send(nlg, nlh);
146 if (err < 0) {
147 pr_err("Failed to call mnlg_socket_send\n");
148 return -errno;
149 }
150 return _mnlg_socket_recv_run(nlg, data_cb, data);
151 }
152
153 static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
154 const char *group_name)
155 {
156 int err;
157
158 err = mnlg_socket_group_add(nlg, group_name);
159 if (err < 0) {
160 pr_err("Failed to call mnlg_socket_group_add\n");
161 return -errno;
162 }
163 return 0;
164 }
165
166 struct ifname_map {
167 struct list_head list;
168 char *bus_name;
169 char *dev_name;
170 uint32_t port_index;
171 char *ifname;
172 };
173
174 static struct ifname_map *ifname_map_alloc(const char *bus_name,
175 const char *dev_name,
176 uint32_t port_index,
177 const char *ifname)
178 {
179 struct ifname_map *ifname_map;
180
181 ifname_map = calloc(1, sizeof(*ifname_map));
182 if (!ifname_map)
183 return NULL;
184 ifname_map->bus_name = strdup(bus_name);
185 ifname_map->dev_name = strdup(dev_name);
186 ifname_map->port_index = port_index;
187 ifname_map->ifname = strdup(ifname);
188 if (!ifname_map->bus_name || !ifname_map->dev_name ||
189 !ifname_map->ifname) {
190 free(ifname_map->ifname);
191 free(ifname_map->dev_name);
192 free(ifname_map->bus_name);
193 free(ifname_map);
194 return NULL;
195 }
196 return ifname_map;
197 }
198
199 static void ifname_map_free(struct ifname_map *ifname_map)
200 {
201 free(ifname_map->ifname);
202 free(ifname_map->dev_name);
203 free(ifname_map->bus_name);
204 free(ifname_map);
205 }
206
207 #define DL_OPT_HANDLE BIT(0)
208 #define DL_OPT_HANDLEP BIT(1)
209 #define DL_OPT_PORT_TYPE BIT(2)
210 #define DL_OPT_PORT_COUNT BIT(3)
211 #define DL_OPT_SB BIT(4)
212 #define DL_OPT_SB_POOL BIT(5)
213 #define DL_OPT_SB_SIZE BIT(6)
214 #define DL_OPT_SB_TYPE BIT(7)
215 #define DL_OPT_SB_THTYPE BIT(8)
216 #define DL_OPT_SB_TH BIT(9)
217 #define DL_OPT_SB_TC BIT(10)
218 #define DL_OPT_ESWITCH_MODE BIT(11)
219 #define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
220 #define DL_OPT_DPIPE_TABLE_NAME BIT(13)
221 #define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
222 #define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
223 #define DL_OPT_RESOURCE_PATH BIT(16)
224 #define DL_OPT_RESOURCE_SIZE BIT(17)
225 #define DL_OPT_PARAM_NAME BIT(18)
226 #define DL_OPT_PARAM_VALUE BIT(19)
227 #define DL_OPT_PARAM_CMODE BIT(20)
228 #define DL_OPT_HANDLE_REGION BIT(21)
229 #define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
230 #define DL_OPT_REGION_ADDRESS BIT(23)
231 #define DL_OPT_REGION_LENGTH BIT(24)
232 #define DL_OPT_FLASH_FILE_NAME BIT(25)
233 #define DL_OPT_FLASH_COMPONENT BIT(26)
234 #define DL_OPT_HEALTH_REPORTER_NAME BIT(27)
235 #define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(27)
236 #define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(28)
237
238 struct dl_opts {
239 uint32_t present; /* flags of present items */
240 char *bus_name;
241 char *dev_name;
242 uint32_t port_index;
243 enum devlink_port_type port_type;
244 uint32_t port_count;
245 uint32_t sb_index;
246 uint16_t sb_pool_index;
247 uint32_t sb_pool_size;
248 enum devlink_sb_pool_type sb_pool_type;
249 enum devlink_sb_threshold_type sb_pool_thtype;
250 uint32_t sb_threshold;
251 uint16_t sb_tc_index;
252 enum devlink_eswitch_mode eswitch_mode;
253 enum devlink_eswitch_inline_mode eswitch_inline_mode;
254 const char *dpipe_table_name;
255 bool dpipe_counters_enable;
256 bool eswitch_encap_mode;
257 const char *resource_path;
258 uint32_t resource_size;
259 uint32_t resource_id;
260 bool resource_id_valid;
261 const char *param_name;
262 const char *param_value;
263 enum devlink_param_cmode cmode;
264 char *region_name;
265 uint32_t region_snapshot_id;
266 uint64_t region_address;
267 uint64_t region_length;
268 const char *flash_file_name;
269 const char *flash_component;
270 const char *reporter_name;
271 uint64_t reporter_graceful_period;
272 bool reporter_auto_recover;
273 };
274
275 struct dl {
276 struct mnlg_socket *nlg;
277 struct list_head ifname_map_list;
278 int argc;
279 char **argv;
280 bool no_nice_names;
281 struct dl_opts opts;
282 json_writer_t *jw;
283 bool json_output;
284 bool pretty_output;
285 bool verbose;
286 struct {
287 bool present;
288 char *bus_name;
289 char *dev_name;
290 uint32_t port_index;
291 } arr_last;
292 };
293
294 static int dl_argc(struct dl *dl)
295 {
296 return dl->argc;
297 }
298
299 static char *dl_argv(struct dl *dl)
300 {
301 if (dl_argc(dl) == 0)
302 return NULL;
303 return *dl->argv;
304 }
305
306 static void dl_arg_inc(struct dl *dl)
307 {
308 if (dl_argc(dl) == 0)
309 return;
310 dl->argc--;
311 dl->argv++;
312 }
313
314 static char *dl_argv_next(struct dl *dl)
315 {
316 char *ret;
317
318 if (dl_argc(dl) == 0)
319 return NULL;
320
321 ret = *dl->argv;
322 dl_arg_inc(dl);
323 return ret;
324 }
325
326 static char *dl_argv_index(struct dl *dl, unsigned int index)
327 {
328 if (index >= dl_argc(dl))
329 return NULL;
330 return dl->argv[index];
331 }
332
333 static int strcmpx(const char *str1, const char *str2)
334 {
335 if (strlen(str1) > strlen(str2))
336 return -1;
337 return strncmp(str1, str2, strlen(str1));
338 }
339
340 static bool dl_argv_match(struct dl *dl, const char *pattern)
341 {
342 if (dl_argc(dl) == 0)
343 return false;
344 return strcmpx(dl_argv(dl), pattern) == 0;
345 }
346
347 static bool dl_no_arg(struct dl *dl)
348 {
349 return dl_argc(dl) == 0;
350 }
351
352 static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
353 [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
354 [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
355 [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
356 [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
357 [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
358 [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
359 [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
360 [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
361 [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
362 [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
363 [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
364 [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
365 [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
366 [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
367 [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
368 [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
369 [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
370 [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
371 [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
372 [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
373 [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
374 [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
375 [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
376 [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
377 [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
378 [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
379 [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
380 [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
381 [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
382 [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
383 [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
384 [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
385 [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
386 [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
387 [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
388 [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
389 [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
390 [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
391 [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
392 [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
393 [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
394 [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
395 [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
396 [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
397 [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
398 [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
399 [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
400 [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
401 [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
402 [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
403 [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
404 [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
405 [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
406 [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
407 [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
408 [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
409 [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
410 [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
411 [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
412 [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
413 [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
414 [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
415 [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
416 [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
417 [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
418 [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
419 [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
420 [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
421 [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
422 [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
423 [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
424 [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
425 [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
426 [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING,
427 [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING,
428 [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED,
429 [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED,
430 [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED,
431 [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING,
432 [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING,
433 [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED,
434 [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING,
435 [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8,
436 [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64,
437 [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
438 [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
439 [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
440 };
441
442 static int attr_cb(const struct nlattr *attr, void *data)
443 {
444 const struct nlattr **tb = data;
445 int type;
446
447 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
448 return MNL_CB_OK;
449
450 type = mnl_attr_get_type(attr);
451 if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
452 return MNL_CB_ERROR;
453
454 tb[type] = attr;
455 return MNL_CB_OK;
456 }
457
458 static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
459 {
460 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
461 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
462 struct dl *dl = data;
463 struct ifname_map *ifname_map;
464 const char *bus_name;
465 const char *dev_name;
466 uint32_t port_ifindex;
467 const char *port_ifname;
468
469 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
470 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
471 !tb[DEVLINK_ATTR_PORT_INDEX])
472 return MNL_CB_ERROR;
473
474 if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
475 return MNL_CB_OK;
476
477 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
478 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
479 port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
480 port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
481 ifname_map = ifname_map_alloc(bus_name, dev_name,
482 port_ifindex, port_ifname);
483 if (!ifname_map)
484 return MNL_CB_ERROR;
485 list_add(&ifname_map->list, &dl->ifname_map_list);
486
487 return MNL_CB_OK;
488 }
489
490 static void ifname_map_fini(struct dl *dl)
491 {
492 struct ifname_map *ifname_map, *tmp;
493
494 list_for_each_entry_safe(ifname_map, tmp,
495 &dl->ifname_map_list, list) {
496 list_del(&ifname_map->list);
497 ifname_map_free(ifname_map);
498 }
499 }
500
501 static int ifname_map_init(struct dl *dl)
502 {
503 struct nlmsghdr *nlh;
504 int err;
505
506 INIT_LIST_HEAD(&dl->ifname_map_list);
507
508 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
509 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
510
511 err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
512 if (err) {
513 ifname_map_fini(dl);
514 return err;
515 }
516 return 0;
517 }
518
519 static int ifname_map_lookup(struct dl *dl, const char *ifname,
520 char **p_bus_name, char **p_dev_name,
521 uint32_t *p_port_index)
522 {
523 struct ifname_map *ifname_map;
524
525 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
526 if (strcmp(ifname, ifname_map->ifname) == 0) {
527 *p_bus_name = ifname_map->bus_name;
528 *p_dev_name = ifname_map->dev_name;
529 *p_port_index = ifname_map->port_index;
530 return 0;
531 }
532 }
533 return -ENOENT;
534 }
535
536 static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
537 const char *dev_name, uint32_t port_index,
538 char **p_ifname)
539 {
540 struct ifname_map *ifname_map;
541
542 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
543 if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
544 strcmp(dev_name, ifname_map->dev_name) == 0 &&
545 port_index == ifname_map->port_index) {
546 *p_ifname = ifname_map->ifname;
547 return 0;
548 }
549 }
550 return -ENOENT;
551 }
552
553 static unsigned int strslashcount(char *str)
554 {
555 unsigned int count = 0;
556 char *pos = str;
557
558 while ((pos = strchr(pos, '/'))) {
559 count++;
560 pos++;
561 }
562 return count;
563 }
564
565 static int strslashrsplit(char *str, char **before, char **after)
566 {
567 char *slash;
568
569 slash = strrchr(str, '/');
570 if (!slash)
571 return -EINVAL;
572 *slash = '\0';
573 *before = str;
574 *after = slash + 1;
575 return 0;
576 }
577
578 static int strtouint64_t(const char *str, uint64_t *p_val)
579 {
580 char *endptr;
581 unsigned long long int val;
582
583 val = strtoull(str, &endptr, 10);
584 if (endptr == str || *endptr != '\0')
585 return -EINVAL;
586 if (val > ULONG_MAX)
587 return -ERANGE;
588 *p_val = val;
589 return 0;
590 }
591
592 static int strtouint32_t(const char *str, uint32_t *p_val)
593 {
594 char *endptr;
595 unsigned long int val;
596
597 val = strtoul(str, &endptr, 10);
598 if (endptr == str || *endptr != '\0')
599 return -EINVAL;
600 if (val > UINT_MAX)
601 return -ERANGE;
602 *p_val = val;
603 return 0;
604 }
605
606 static int strtouint16_t(const char *str, uint16_t *p_val)
607 {
608 char *endptr;
609 unsigned long int val;
610
611 val = strtoul(str, &endptr, 10);
612 if (endptr == str || *endptr != '\0')
613 return -EINVAL;
614 if (val > USHRT_MAX)
615 return -ERANGE;
616 *p_val = val;
617 return 0;
618 }
619
620 static int strtouint8_t(const char *str, uint8_t *p_val)
621 {
622 char *endptr;
623 unsigned long int val;
624
625 val = strtoul(str, &endptr, 10);
626 if (endptr == str || *endptr != '\0')
627 return -EINVAL;
628 if (val > UCHAR_MAX)
629 return -ERANGE;
630 *p_val = val;
631 return 0;
632 }
633
634 static int strtobool(const char *str, bool *p_val)
635 {
636 bool val;
637
638 if (!strcmp(str, "true") || !strcmp(str, "1"))
639 val = true;
640 else if (!strcmp(str, "false") || !strcmp(str, "0"))
641 val = false;
642 else
643 return -EINVAL;
644 *p_val = val;
645 return 0;
646 }
647
648 static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
649 {
650 strslashrsplit(str, p_bus_name, p_dev_name);
651 return 0;
652 }
653
654 static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
655 {
656 char *str = dl_argv_next(dl);
657
658 if (!str) {
659 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
660 return -EINVAL;
661 }
662 if (strslashcount(str) != 1) {
663 pr_err("Wrong devlink identification string format.\n");
664 pr_err("Expected \"bus_name/dev_name\".\n");
665 return -EINVAL;
666 }
667 return __dl_argv_handle(str, p_bus_name, p_dev_name);
668 }
669
670 static int __dl_argv_handle_port(char *str,
671 char **p_bus_name, char **p_dev_name,
672 uint32_t *p_port_index)
673 {
674 char *handlestr;
675 char *portstr;
676 int err;
677
678 err = strslashrsplit(str, &handlestr, &portstr);
679 if (err) {
680 pr_err("Port identification \"%s\" is invalid\n", str);
681 return err;
682 }
683 err = strtouint32_t(portstr, p_port_index);
684 if (err) {
685 pr_err("Port index \"%s\" is not a number or not within range\n",
686 portstr);
687 return err;
688 }
689 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
690 if (err) {
691 pr_err("Port identification \"%s\" is invalid\n", str);
692 return err;
693 }
694 return 0;
695 }
696
697 static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
698 char **p_bus_name, char **p_dev_name,
699 uint32_t *p_port_index)
700 {
701 int err;
702
703 err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
704 p_port_index);
705 if (err) {
706 pr_err("Netdevice \"%s\" not found\n", str);
707 return err;
708 }
709 return 0;
710 }
711
712 static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
713 char **p_dev_name, uint32_t *p_port_index)
714 {
715 char *str = dl_argv_next(dl);
716 unsigned int slash_count;
717
718 if (!str) {
719 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
720 return -EINVAL;
721 }
722 slash_count = strslashcount(str);
723 switch (slash_count) {
724 case 0:
725 return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
726 p_dev_name, p_port_index);
727 case 2:
728 return __dl_argv_handle_port(str, p_bus_name,
729 p_dev_name, p_port_index);
730 default:
731 pr_err("Wrong port identification string format.\n");
732 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
733 return -EINVAL;
734 }
735 }
736
737 static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
738 char **p_dev_name, uint32_t *p_port_index,
739 uint32_t *p_handle_bit)
740 {
741 char *str = dl_argv_next(dl);
742 unsigned int slash_count;
743 int err;
744
745 if (!str) {
746 pr_err("One of following identifications expected:\n"
747 "Devlink identification (\"bus_name/dev_name\")\n"
748 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
749 return -EINVAL;
750 }
751 slash_count = strslashcount(str);
752 if (slash_count == 1) {
753 err = __dl_argv_handle(str, p_bus_name, p_dev_name);
754 if (err)
755 return err;
756 *p_handle_bit = DL_OPT_HANDLE;
757 } else if (slash_count == 2) {
758 err = __dl_argv_handle_port(str, p_bus_name,
759 p_dev_name, p_port_index);
760 if (err)
761 return err;
762 *p_handle_bit = DL_OPT_HANDLEP;
763 } else if (slash_count == 0) {
764 err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
765 p_dev_name, p_port_index);
766 if (err)
767 return err;
768 *p_handle_bit = DL_OPT_HANDLEP;
769 } else {
770 pr_err("Wrong port identification string format.\n");
771 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
772 return -EINVAL;
773 }
774 return 0;
775 }
776
777 static int __dl_argv_handle_region(char *str, char **p_bus_name,
778 char **p_dev_name, char **p_region)
779 {
780 char *handlestr;
781 int err;
782
783 err = strslashrsplit(str, &handlestr, p_region);
784 if (err) {
785 pr_err("Region identification \"%s\" is invalid\n", str);
786 return err;
787 }
788 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
789 if (err) {
790 pr_err("Region identification \"%s\" is invalid\n", str);
791 return err;
792 }
793 return 0;
794 }
795
796 static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
797 char **p_dev_name, char **p_region)
798 {
799 char *str = dl_argv_next(dl);
800 unsigned int slash_count;
801
802 if (!str) {
803 pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
804 return -EINVAL;
805 }
806
807 slash_count = strslashcount(str);
808 if (slash_count != 2) {
809 pr_err("Wrong region identification string format.\n");
810 pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
811 return -EINVAL;
812 }
813
814 return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
815 }
816
817 static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
818 {
819 char *str = dl_argv_next(dl);
820 int err;
821
822 if (!str) {
823 pr_err("Unsigned number argument expected\n");
824 return -EINVAL;
825 }
826
827 err = strtouint64_t(str, p_val);
828 if (err) {
829 pr_err("\"%s\" is not a number or not within range\n", str);
830 return err;
831 }
832 return 0;
833 }
834
835 static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
836 {
837 char *str = dl_argv_next(dl);
838 int err;
839
840 if (!str) {
841 pr_err("Unsigned number argument expected\n");
842 return -EINVAL;
843 }
844
845 err = strtouint32_t(str, p_val);
846 if (err) {
847 pr_err("\"%s\" is not a number or not within range\n", str);
848 return err;
849 }
850 return 0;
851 }
852
853 static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
854 {
855 char *str = dl_argv_next(dl);
856 int err;
857
858 if (!str) {
859 pr_err("Unsigned number argument expected\n");
860 return -EINVAL;
861 }
862
863 err = strtouint16_t(str, p_val);
864 if (err) {
865 pr_err("\"%s\" is not a number or not within range\n", str);
866 return err;
867 }
868 return 0;
869 }
870
871 static int dl_argv_bool(struct dl *dl, bool *p_val)
872 {
873 char *str = dl_argv_next(dl);
874 int err;
875
876 if (!str) {
877 pr_err("Boolean argument expected\n");
878 return -EINVAL;
879 }
880
881 err = strtobool(str, p_val);
882 if (err) {
883 pr_err("\"%s\" is not a valid boolean value\n", str);
884 return err;
885 }
886 return 0;
887 }
888
889 static int dl_argv_str(struct dl *dl, const char **p_str)
890 {
891 const char *str = dl_argv_next(dl);
892
893 if (!str) {
894 pr_err("String parameter expected\n");
895 return -EINVAL;
896 }
897 *p_str = str;
898 return 0;
899 }
900
901 static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
902 {
903 if (strcmp(typestr, "auto") == 0) {
904 *p_type = DEVLINK_PORT_TYPE_AUTO;
905 } else if (strcmp(typestr, "eth") == 0) {
906 *p_type = DEVLINK_PORT_TYPE_ETH;
907 } else if (strcmp(typestr, "ib") == 0) {
908 *p_type = DEVLINK_PORT_TYPE_IB;
909 } else {
910 pr_err("Unknown port type \"%s\"\n", typestr);
911 return -EINVAL;
912 }
913 return 0;
914 }
915
916 static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
917 {
918 if (strcmp(typestr, "ingress") == 0) {
919 *p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
920 } else if (strcmp(typestr, "egress") == 0) {
921 *p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
922 } else {
923 pr_err("Unknown pool type \"%s\"\n", typestr);
924 return -EINVAL;
925 }
926 return 0;
927 }
928
929 static int threshold_type_get(const char *typestr,
930 enum devlink_sb_threshold_type *p_type)
931 {
932 if (strcmp(typestr, "static") == 0) {
933 *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
934 } else if (strcmp(typestr, "dynamic") == 0) {
935 *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
936 } else {
937 pr_err("Unknown threshold type \"%s\"\n", typestr);
938 return -EINVAL;
939 }
940 return 0;
941 }
942
943 static int eswitch_mode_get(const char *typestr,
944 enum devlink_eswitch_mode *p_mode)
945 {
946 if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
947 *p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
948 } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
949 *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
950 } else {
951 pr_err("Unknown eswitch mode \"%s\"\n", typestr);
952 return -EINVAL;
953 }
954 return 0;
955 }
956
957 static int eswitch_inline_mode_get(const char *typestr,
958 enum devlink_eswitch_inline_mode *p_mode)
959 {
960 if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
961 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
962 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
963 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
964 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
965 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
966 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
967 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
968 } else {
969 pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
970 return -EINVAL;
971 }
972 return 0;
973 }
974
975 static int dpipe_counters_enable_get(const char *typestr,
976 bool *counters_enable)
977 {
978 if (strcmp(typestr, "enable") == 0) {
979 *counters_enable = 1;
980 } else if (strcmp(typestr, "disable") == 0) {
981 *counters_enable = 0;
982 } else {
983 pr_err("Unknown counter_state \"%s\"\n", typestr);
984 return -EINVAL;
985 }
986 return 0;
987 }
988
989 static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
990 {
991 if (strcmp(typestr, "enable") == 0) {
992 *p_mode = true;
993 } else if (strcmp(typestr, "disable") == 0) {
994 *p_mode = false;
995 } else {
996 pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
997 return -EINVAL;
998 }
999 return 0;
1000 }
1001
1002 static int param_cmode_get(const char *cmodestr,
1003 enum devlink_param_cmode *cmode)
1004 {
1005 if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
1006 *cmode = DEVLINK_PARAM_CMODE_RUNTIME;
1007 } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
1008 *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
1009 } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
1010 *cmode = DEVLINK_PARAM_CMODE_PERMANENT;
1011 } else {
1012 pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
1013 return -EINVAL;
1014 }
1015 return 0;
1016 }
1017
1018 struct dl_args_metadata {
1019 uint32_t o_flag;
1020 char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
1021 };
1022
1023 static const struct dl_args_metadata dl_args_required[] = {
1024 {DL_OPT_PORT_TYPE, "Port type not set."},
1025 {DL_OPT_PORT_COUNT, "Port split count option expected."},
1026 {DL_OPT_SB_POOL, "Pool index option expected."},
1027 {DL_OPT_SB_SIZE, "Pool size option expected."},
1028 {DL_OPT_SB_TYPE, "Pool type option expected."},
1029 {DL_OPT_SB_THTYPE, "Pool threshold type option expected."},
1030 {DL_OPT_SB_TH, "Threshold option expected."},
1031 {DL_OPT_SB_TC, "TC index option expected."},
1032 {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."},
1033 {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."},
1034 {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."},
1035 {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."},
1036 {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."},
1037 {DL_OPT_PARAM_NAME, "Parameter name expected."},
1038 {DL_OPT_PARAM_VALUE, "Value to set expected."},
1039 {DL_OPT_PARAM_CMODE, "Configuration mode expected."},
1040 {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."},
1041 {DL_OPT_REGION_ADDRESS, "Region address value expected."},
1042 {DL_OPT_REGION_LENGTH, "Region length value expected."},
1043 {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."},
1044 };
1045
1046 static int dl_args_finding_required_validate(uint32_t o_required,
1047 uint32_t o_found)
1048 {
1049 uint32_t o_flag;
1050 int i;
1051
1052 for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) {
1053 o_flag = dl_args_required[i].o_flag;
1054 if ((o_required & o_flag) && !(o_found & o_flag)) {
1055 pr_err("%s\n", dl_args_required[i].err_msg);
1056 return -EINVAL;
1057 }
1058 }
1059 return 0;
1060 }
1061
1062 static int dl_argv_parse(struct dl *dl, uint32_t o_required,
1063 uint32_t o_optional)
1064 {
1065 struct dl_opts *opts = &dl->opts;
1066 uint32_t o_all = o_required | o_optional;
1067 uint32_t o_found = 0;
1068 int err;
1069
1070 if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
1071 uint32_t handle_bit;
1072
1073 err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
1074 &opts->port_index, &handle_bit);
1075 if (err)
1076 return err;
1077 o_found |= handle_bit;
1078 } else if (o_required & DL_OPT_HANDLE) {
1079 err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
1080 if (err)
1081 return err;
1082 o_found |= DL_OPT_HANDLE;
1083 } else if (o_required & DL_OPT_HANDLEP) {
1084 err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
1085 &opts->port_index);
1086 if (err)
1087 return err;
1088 o_found |= DL_OPT_HANDLEP;
1089 } else if (o_required & DL_OPT_HANDLE_REGION) {
1090 err = dl_argv_handle_region(dl, &opts->bus_name,
1091 &opts->dev_name,
1092 &opts->region_name);
1093 if (err)
1094 return err;
1095 o_found |= DL_OPT_HANDLE_REGION;
1096 }
1097
1098 while (dl_argc(dl)) {
1099 if (dl_argv_match(dl, "type") &&
1100 (o_all & DL_OPT_PORT_TYPE)) {
1101 const char *typestr;
1102
1103 dl_arg_inc(dl);
1104 err = dl_argv_str(dl, &typestr);
1105 if (err)
1106 return err;
1107 err = port_type_get(typestr, &opts->port_type);
1108 if (err)
1109 return err;
1110 o_found |= DL_OPT_PORT_TYPE;
1111 } else if (dl_argv_match(dl, "count") &&
1112 (o_all & DL_OPT_PORT_COUNT)) {
1113 dl_arg_inc(dl);
1114 err = dl_argv_uint32_t(dl, &opts->port_count);
1115 if (err)
1116 return err;
1117 o_found |= DL_OPT_PORT_COUNT;
1118 } else if (dl_argv_match(dl, "sb") &&
1119 (o_all & DL_OPT_SB)) {
1120 dl_arg_inc(dl);
1121 err = dl_argv_uint32_t(dl, &opts->sb_index);
1122 if (err)
1123 return err;
1124 o_found |= DL_OPT_SB;
1125 } else if (dl_argv_match(dl, "pool") &&
1126 (o_all & DL_OPT_SB_POOL)) {
1127 dl_arg_inc(dl);
1128 err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
1129 if (err)
1130 return err;
1131 o_found |= DL_OPT_SB_POOL;
1132 } else if (dl_argv_match(dl, "size") &&
1133 (o_all & DL_OPT_SB_SIZE)) {
1134 dl_arg_inc(dl);
1135 err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
1136 if (err)
1137 return err;
1138 o_found |= DL_OPT_SB_SIZE;
1139 } else if (dl_argv_match(dl, "type") &&
1140 (o_all & DL_OPT_SB_TYPE)) {
1141 const char *typestr;
1142
1143 dl_arg_inc(dl);
1144 err = dl_argv_str(dl, &typestr);
1145 if (err)
1146 return err;
1147 err = pool_type_get(typestr, &opts->sb_pool_type);
1148 if (err)
1149 return err;
1150 o_found |= DL_OPT_SB_TYPE;
1151 } else if (dl_argv_match(dl, "thtype") &&
1152 (o_all & DL_OPT_SB_THTYPE)) {
1153 const char *typestr;
1154
1155 dl_arg_inc(dl);
1156 err = dl_argv_str(dl, &typestr);
1157 if (err)
1158 return err;
1159 err = threshold_type_get(typestr,
1160 &opts->sb_pool_thtype);
1161 if (err)
1162 return err;
1163 o_found |= DL_OPT_SB_THTYPE;
1164 } else if (dl_argv_match(dl, "th") &&
1165 (o_all & DL_OPT_SB_TH)) {
1166 dl_arg_inc(dl);
1167 err = dl_argv_uint32_t(dl, &opts->sb_threshold);
1168 if (err)
1169 return err;
1170 o_found |= DL_OPT_SB_TH;
1171 } else if (dl_argv_match(dl, "tc") &&
1172 (o_all & DL_OPT_SB_TC)) {
1173 dl_arg_inc(dl);
1174 err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
1175 if (err)
1176 return err;
1177 o_found |= DL_OPT_SB_TC;
1178 } else if (dl_argv_match(dl, "mode") &&
1179 (o_all & DL_OPT_ESWITCH_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_mode_get(typestr, &opts->eswitch_mode);
1187 if (err)
1188 return err;
1189 o_found |= DL_OPT_ESWITCH_MODE;
1190 } else if (dl_argv_match(dl, "inline-mode") &&
1191 (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
1192 const char *typestr;
1193
1194 dl_arg_inc(dl);
1195 err = dl_argv_str(dl, &typestr);
1196 if (err)
1197 return err;
1198 err = eswitch_inline_mode_get(
1199 typestr, &opts->eswitch_inline_mode);
1200 if (err)
1201 return err;
1202 o_found |= DL_OPT_ESWITCH_INLINE_MODE;
1203 } else if (dl_argv_match(dl, "name") &&
1204 (o_all & DL_OPT_DPIPE_TABLE_NAME)) {
1205 dl_arg_inc(dl);
1206 err = dl_argv_str(dl, &opts->dpipe_table_name);
1207 if (err)
1208 return err;
1209 o_found |= DL_OPT_DPIPE_TABLE_NAME;
1210 } else if (dl_argv_match(dl, "counters") &&
1211 (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
1212 const char *typestr;
1213
1214 dl_arg_inc(dl);
1215 err = dl_argv_str(dl, &typestr);
1216 if (err)
1217 return err;
1218 err = dpipe_counters_enable_get(typestr,
1219 &opts->dpipe_counters_enable);
1220 if (err)
1221 return err;
1222 o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
1223 } else if (dl_argv_match(dl, "encap") &&
1224 (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
1225 const char *typestr;
1226
1227 dl_arg_inc(dl);
1228 err = dl_argv_str(dl, &typestr);
1229 if (err)
1230 return err;
1231 err = eswitch_encap_mode_get(typestr,
1232 &opts->eswitch_encap_mode);
1233 if (err)
1234 return err;
1235 o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
1236 } else if (dl_argv_match(dl, "path") &&
1237 (o_all & DL_OPT_RESOURCE_PATH)) {
1238 dl_arg_inc(dl);
1239 err = dl_argv_str(dl, &opts->resource_path);
1240 if (err)
1241 return err;
1242 o_found |= DL_OPT_RESOURCE_PATH;
1243 } else if (dl_argv_match(dl, "size") &&
1244 (o_all & DL_OPT_RESOURCE_SIZE)) {
1245 dl_arg_inc(dl);
1246 err = dl_argv_uint32_t(dl, &opts->resource_size);
1247 if (err)
1248 return err;
1249 o_found |= DL_OPT_RESOURCE_SIZE;
1250 } else if (dl_argv_match(dl, "name") &&
1251 (o_all & DL_OPT_PARAM_NAME)) {
1252 dl_arg_inc(dl);
1253 err = dl_argv_str(dl, &opts->param_name);
1254 if (err)
1255 return err;
1256 o_found |= DL_OPT_PARAM_NAME;
1257 } else if (dl_argv_match(dl, "value") &&
1258 (o_all & DL_OPT_PARAM_VALUE)) {
1259 dl_arg_inc(dl);
1260 err = dl_argv_str(dl, &opts->param_value);
1261 if (err)
1262 return err;
1263 o_found |= DL_OPT_PARAM_VALUE;
1264 } else if (dl_argv_match(dl, "cmode") &&
1265 (o_all & DL_OPT_PARAM_CMODE)) {
1266 const char *cmodestr;
1267
1268 dl_arg_inc(dl);
1269 err = dl_argv_str(dl, &cmodestr);
1270 if (err)
1271 return err;
1272 err = param_cmode_get(cmodestr, &opts->cmode);
1273 if (err)
1274 return err;
1275 o_found |= DL_OPT_PARAM_CMODE;
1276 } else if (dl_argv_match(dl, "snapshot") &&
1277 (o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
1278 dl_arg_inc(dl);
1279 err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
1280 if (err)
1281 return err;
1282 o_found |= DL_OPT_REGION_SNAPSHOT_ID;
1283 } else if (dl_argv_match(dl, "address") &&
1284 (o_all & DL_OPT_REGION_ADDRESS)) {
1285 dl_arg_inc(dl);
1286 err = dl_argv_uint64_t(dl, &opts->region_address);
1287 if (err)
1288 return err;
1289 o_found |= DL_OPT_REGION_ADDRESS;
1290 } else if (dl_argv_match(dl, "length") &&
1291 (o_all & DL_OPT_REGION_LENGTH)) {
1292 dl_arg_inc(dl);
1293 err = dl_argv_uint64_t(dl, &opts->region_length);
1294 if (err)
1295 return err;
1296 o_found |= DL_OPT_REGION_LENGTH;
1297 } else if (dl_argv_match(dl, "file") &&
1298 (o_all & DL_OPT_FLASH_FILE_NAME)) {
1299 dl_arg_inc(dl);
1300 err = dl_argv_str(dl, &opts->flash_file_name);
1301 if (err)
1302 return err;
1303 o_found |= DL_OPT_FLASH_FILE_NAME;
1304 } else if (dl_argv_match(dl, "component") &&
1305 (o_all & DL_OPT_FLASH_COMPONENT)) {
1306 dl_arg_inc(dl);
1307 err = dl_argv_str(dl, &opts->flash_component);
1308 if (err)
1309 return err;
1310 o_found |= DL_OPT_FLASH_COMPONENT;
1311 } else if (dl_argv_match(dl, "reporter") &&
1312 (o_all & DL_OPT_HEALTH_REPORTER_NAME)) {
1313 dl_arg_inc(dl);
1314 err = dl_argv_str(dl, &opts->reporter_name);
1315 if (err)
1316 return err;
1317 o_found |= DL_OPT_HEALTH_REPORTER_NAME;
1318 } else if (dl_argv_match(dl, "grace_period") &&
1319 (o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) {
1320 dl_arg_inc(dl);
1321 err = dl_argv_uint64_t(dl,
1322 &opts->reporter_graceful_period);
1323 if (err)
1324 return err;
1325 o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD;
1326 } else if (dl_argv_match(dl, "auto_recover") &&
1327 (o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) {
1328 dl_arg_inc(dl);
1329 err = dl_argv_bool(dl, &opts->reporter_auto_recover);
1330 if (err)
1331 return err;
1332 o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER;
1333 } else {
1334 pr_err("Unknown option \"%s\"\n", dl_argv(dl));
1335 return -EINVAL;
1336 }
1337 }
1338
1339 opts->present = o_found;
1340
1341 if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
1342 opts->sb_index = 0;
1343 opts->present |= DL_OPT_SB;
1344 }
1345
1346 return dl_args_finding_required_validate(o_required, o_found);
1347 }
1348
1349 static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
1350 {
1351 struct dl_opts *opts = &dl->opts;
1352
1353 if (opts->present & DL_OPT_HANDLE) {
1354 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1355 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1356 } else if (opts->present & DL_OPT_HANDLEP) {
1357 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1358 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1359 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
1360 opts->port_index);
1361 } else if (opts->present & DL_OPT_HANDLE_REGION) {
1362 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1363 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1364 mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME,
1365 opts->region_name);
1366 }
1367 if (opts->present & DL_OPT_PORT_TYPE)
1368 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
1369 opts->port_type);
1370 if (opts->present & DL_OPT_PORT_COUNT)
1371 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
1372 opts->port_count);
1373 if (opts->present & DL_OPT_SB)
1374 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
1375 opts->sb_index);
1376 if (opts->present & DL_OPT_SB_POOL)
1377 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
1378 opts->sb_pool_index);
1379 if (opts->present & DL_OPT_SB_SIZE)
1380 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
1381 opts->sb_pool_size);
1382 if (opts->present & DL_OPT_SB_TYPE)
1383 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
1384 opts->sb_pool_type);
1385 if (opts->present & DL_OPT_SB_THTYPE)
1386 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
1387 opts->sb_pool_thtype);
1388 if (opts->present & DL_OPT_SB_TH)
1389 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
1390 opts->sb_threshold);
1391 if (opts->present & DL_OPT_SB_TC)
1392 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
1393 opts->sb_tc_index);
1394 if (opts->present & DL_OPT_ESWITCH_MODE)
1395 mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
1396 opts->eswitch_mode);
1397 if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
1398 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
1399 opts->eswitch_inline_mode);
1400 if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
1401 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
1402 opts->dpipe_table_name);
1403 if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
1404 mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
1405 opts->dpipe_counters_enable);
1406 if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
1407 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
1408 opts->eswitch_encap_mode);
1409 if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
1410 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
1411 opts->resource_id);
1412 if (opts->present & DL_OPT_RESOURCE_SIZE)
1413 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
1414 opts->resource_size);
1415 if (opts->present & DL_OPT_PARAM_NAME)
1416 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
1417 opts->param_name);
1418 if (opts->present & DL_OPT_PARAM_CMODE)
1419 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
1420 opts->cmode);
1421 if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
1422 mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
1423 opts->region_snapshot_id);
1424 if (opts->present & DL_OPT_REGION_ADDRESS)
1425 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
1426 opts->region_address);
1427 if (opts->present & DL_OPT_REGION_LENGTH)
1428 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
1429 opts->region_length);
1430 if (opts->present & DL_OPT_FLASH_FILE_NAME)
1431 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME,
1432 opts->flash_file_name);
1433 if (opts->present & DL_OPT_FLASH_COMPONENT)
1434 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT,
1435 opts->flash_component);
1436 if (opts->present & DL_OPT_HEALTH_REPORTER_NAME)
1437 mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
1438 opts->reporter_name);
1439 if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)
1440 mnl_attr_put_u64(nlh,
1441 DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
1442 opts->reporter_graceful_period);
1443 if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)
1444 mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
1445 opts->reporter_auto_recover);
1446
1447 }
1448
1449 static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
1450 uint32_t o_required, uint32_t o_optional)
1451 {
1452 int err;
1453
1454 err = dl_argv_parse(dl, o_required, o_optional);
1455 if (err)
1456 return err;
1457 dl_opts_put(nlh, dl);
1458 return 0;
1459 }
1460
1461 static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
1462 {
1463 struct dl_opts *opts = &dl->opts;
1464 struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
1465 struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
1466 struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
1467 struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
1468
1469 if (opts->present & DL_OPT_HANDLE &&
1470 attr_bus_name && attr_dev_name) {
1471 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1472 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1473
1474 if (strcmp(bus_name, opts->bus_name) != 0 ||
1475 strcmp(dev_name, opts->dev_name) != 0)
1476 return false;
1477 }
1478 if (opts->present & DL_OPT_HANDLEP &&
1479 attr_bus_name && attr_dev_name && attr_port_index) {
1480 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1481 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1482 uint32_t port_index = mnl_attr_get_u32(attr_port_index);
1483
1484 if (strcmp(bus_name, opts->bus_name) != 0 ||
1485 strcmp(dev_name, opts->dev_name) != 0 ||
1486 port_index != opts->port_index)
1487 return false;
1488 }
1489 if (opts->present & DL_OPT_SB && attr_sb_index) {
1490 uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
1491
1492 if (sb_index != opts->sb_index)
1493 return false;
1494 }
1495 return true;
1496 }
1497
1498 static void cmd_dev_help(void)
1499 {
1500 pr_err("Usage: devlink dev show [ DEV ]\n");
1501 pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
1502 pr_err(" [ inline-mode { none | link | network | transport } ]\n");
1503 pr_err(" [ encap { disable | enable } ]\n");
1504 pr_err(" devlink dev eswitch show DEV\n");
1505 pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
1506 pr_err(" devlink dev param show [DEV name PARAMETER]\n");
1507 pr_err(" devlink dev reload DEV\n");
1508 pr_err(" devlink dev info [ DEV ]\n");
1509 pr_err(" devlink dev flash DEV file PATH [ component NAME ]\n");
1510 }
1511
1512 static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
1513 const char *dev_name)
1514 {
1515 if (!dl->arr_last.present)
1516 return false;
1517 return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
1518 strcmp(dl->arr_last.dev_name, dev_name) == 0;
1519 }
1520
1521 static void arr_last_handle_set(struct dl *dl, const char *bus_name,
1522 const char *dev_name)
1523 {
1524 dl->arr_last.present = true;
1525 free(dl->arr_last.dev_name);
1526 free(dl->arr_last.bus_name);
1527 dl->arr_last.bus_name = strdup(bus_name);
1528 dl->arr_last.dev_name = strdup(dev_name);
1529 }
1530
1531 static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
1532 const char *dev_name)
1533 {
1534 return !cmp_arr_last_handle(dl, bus_name, dev_name);
1535 }
1536
1537 static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
1538 const char *dev_name)
1539 {
1540 return dl->arr_last.present &&
1541 !cmp_arr_last_handle(dl, bus_name, dev_name);
1542 }
1543
1544 static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
1545 bool content, bool array)
1546 {
1547 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1548 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1549 char buf[64];
1550
1551 sprintf(buf, "%s/%s", bus_name, dev_name);
1552
1553 if (dl->json_output) {
1554 if (array) {
1555 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1556 jsonw_end_array(dl->jw);
1557 if (should_arr_last_handle_start(dl, bus_name,
1558 dev_name)) {
1559 jsonw_name(dl->jw, buf);
1560 jsonw_start_array(dl->jw);
1561 jsonw_start_object(dl->jw);
1562 arr_last_handle_set(dl, bus_name, dev_name);
1563 } else {
1564 jsonw_start_object(dl->jw);
1565 }
1566 } else {
1567 jsonw_name(dl->jw, buf);
1568 jsonw_start_object(dl->jw);
1569 }
1570 } else {
1571 if (array) {
1572 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1573 __pr_out_indent_dec();
1574 if (should_arr_last_handle_start(dl, bus_name,
1575 dev_name)) {
1576 pr_out("%s%s", buf, content ? ":" : "");
1577 __pr_out_newline();
1578 __pr_out_indent_inc();
1579 arr_last_handle_set(dl, bus_name, dev_name);
1580 }
1581 } else {
1582 pr_out("%s%s", buf, content ? ":" : "");
1583 }
1584 }
1585 }
1586
1587 static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
1588 {
1589 __pr_out_handle_start(dl, tb, true, true);
1590 }
1591
1592 static void pr_out_handle_end(struct dl *dl)
1593 {
1594 if (dl->json_output)
1595 jsonw_end_object(dl->jw);
1596 else
1597 __pr_out_newline();
1598 }
1599
1600 static void pr_out_handle(struct dl *dl, struct nlattr **tb)
1601 {
1602 __pr_out_handle_start(dl, tb, false, false);
1603 pr_out_handle_end(dl);
1604 }
1605
1606 static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
1607 const char *dev_name, uint32_t port_index)
1608 {
1609 return cmp_arr_last_handle(dl, bus_name, dev_name) &&
1610 dl->arr_last.port_index == port_index;
1611 }
1612
1613 static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
1614 const char *dev_name, uint32_t port_index)
1615 {
1616 arr_last_handle_set(dl, bus_name, dev_name);
1617 dl->arr_last.port_index = port_index;
1618 }
1619
1620 static bool should_arr_last_port_handle_start(struct dl *dl,
1621 const char *bus_name,
1622 const char *dev_name,
1623 uint32_t port_index)
1624 {
1625 return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1626 }
1627
1628 static bool should_arr_last_port_handle_end(struct dl *dl,
1629 const char *bus_name,
1630 const char *dev_name,
1631 uint32_t port_index)
1632 {
1633 return dl->arr_last.present &&
1634 !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1635 }
1636
1637 static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
1638 const char *dev_name,
1639 uint32_t port_index, bool try_nice,
1640 bool array)
1641 {
1642 static char buf[64];
1643 char *ifname = NULL;
1644
1645 if (dl->no_nice_names || !try_nice ||
1646 ifname_map_rev_lookup(dl, bus_name, dev_name,
1647 port_index, &ifname) != 0)
1648 sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
1649 else
1650 sprintf(buf, "%s", ifname);
1651
1652 if (dl->json_output) {
1653 if (array) {
1654 if (should_arr_last_port_handle_end(dl, bus_name,
1655 dev_name,
1656 port_index))
1657 jsonw_end_array(dl->jw);
1658 if (should_arr_last_port_handle_start(dl, bus_name,
1659 dev_name,
1660 port_index)) {
1661 jsonw_name(dl->jw, buf);
1662 jsonw_start_array(dl->jw);
1663 jsonw_start_object(dl->jw);
1664 arr_last_port_handle_set(dl, bus_name, dev_name,
1665 port_index);
1666 } else {
1667 jsonw_start_object(dl->jw);
1668 }
1669 } else {
1670 jsonw_name(dl->jw, buf);
1671 jsonw_start_object(dl->jw);
1672 }
1673 } else {
1674 pr_out("%s:", buf);
1675 }
1676 }
1677
1678 static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
1679 {
1680 const char *bus_name;
1681 const char *dev_name;
1682 uint32_t port_index;
1683
1684 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1685 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1686 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1687 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
1688 }
1689
1690 static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
1691 {
1692 const char *bus_name;
1693 const char *dev_name;
1694 uint32_t port_index;
1695
1696 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1697 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1698 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1699 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
1700 }
1701
1702 static void pr_out_port_handle_end(struct dl *dl)
1703 {
1704 if (dl->json_output)
1705 jsonw_end_object(dl->jw);
1706 else
1707 pr_out("\n");
1708 }
1709
1710
1711 static void pr_out_str(struct dl *dl, const char *name, const char *val)
1712 {
1713 if (dl->json_output) {
1714 jsonw_string_field(dl->jw, name, val);
1715 } else {
1716 if (g_indent_newline)
1717 pr_out("%s %s", name, val);
1718 else
1719 pr_out(" %s %s", name, val);
1720 }
1721 }
1722
1723 static void pr_out_bool(struct dl *dl, const char *name, bool val)
1724 {
1725 if (dl->json_output)
1726 jsonw_bool_field(dl->jw, name, val);
1727 else
1728 pr_out_str(dl, name, val ? "true" : "false");
1729 }
1730
1731 static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
1732 {
1733 if (dl->json_output) {
1734 jsonw_uint_field(dl->jw, name, val);
1735 } else {
1736 if (g_indent_newline)
1737 pr_out("%s %u", name, val);
1738 else
1739 pr_out(" %s %u", name, val);
1740 }
1741 }
1742
1743 static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
1744 {
1745 if (val == (uint64_t) -1)
1746 return pr_out_str(dl, name, "unlimited");
1747
1748 if (dl->json_output) {
1749 jsonw_u64_field(dl->jw, name, val);
1750 } else {
1751 if (g_indent_newline)
1752 pr_out("%s %"PRIu64, name, val);
1753 else
1754 pr_out(" %s %"PRIu64, name, val);
1755 }
1756 }
1757
1758 static void pr_out_bool_value(struct dl *dl, bool value)
1759 {
1760 if (dl->json_output)
1761 jsonw_bool(dl->jw, value);
1762 else
1763 pr_out(" %s", value ? "true" : "false");
1764 }
1765
1766 static void pr_out_uint_value(struct dl *dl, unsigned int value)
1767 {
1768 if (dl->json_output)
1769 jsonw_uint(dl->jw, value);
1770 else
1771 pr_out(" %u", value);
1772 }
1773
1774 static void pr_out_uint64_value(struct dl *dl, uint64_t value)
1775 {
1776 if (dl->json_output)
1777 jsonw_u64(dl->jw, value);
1778 else
1779 pr_out(" %"PRIu64, value);
1780 }
1781
1782 static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
1783 {
1784 int i = 1;
1785
1786 if (dl->json_output)
1787 jsonw_start_array(dl->jw);
1788 else
1789 pr_out("\n");
1790
1791 while (i < len) {
1792 if (dl->json_output) {
1793 jsonw_printf(dl->jw, "%d", data[i]);
1794 } else {
1795 pr_out(" %02x", data[i]);
1796 if (!(i % 16))
1797 pr_out("\n");
1798 }
1799 i++;
1800 }
1801 if (dl->json_output)
1802 jsonw_end_array(dl->jw);
1803 else if ((i - 1) % 16)
1804 pr_out("\n");
1805 }
1806
1807 static void pr_out_str_value(struct dl *dl, const char *value)
1808 {
1809 if (dl->json_output)
1810 jsonw_string(dl->jw, value);
1811 else
1812 pr_out(" %s", value);
1813 }
1814
1815 static void pr_out_name(struct dl *dl, const char *name)
1816 {
1817 if (dl->json_output)
1818 jsonw_name(dl->jw, name);
1819 else
1820 pr_out(" %s:", name);
1821 }
1822
1823 static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
1824 {
1825 if (dl->json_output) {
1826 jsonw_name(dl->jw, "address");
1827 jsonw_uint(dl->jw, addr);
1828 jsonw_name(dl->jw, "data");
1829 jsonw_start_array(dl->jw);
1830 }
1831 }
1832
1833 static void pr_out_region_chunk_end(struct dl *dl)
1834 {
1835 if (dl->json_output)
1836 jsonw_end_array(dl->jw);
1837 }
1838
1839 static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
1840 uint64_t addr)
1841 {
1842 static uint64_t align_val;
1843 uint32_t i = 0;
1844
1845 pr_out_region_chunk_start(dl, addr);
1846 while (i < len) {
1847 if (!dl->json_output)
1848 if (!(align_val % 16))
1849 pr_out("%s%016"PRIx64" ",
1850 align_val ? "\n" : "",
1851 addr);
1852
1853 align_val++;
1854
1855 if (dl->json_output)
1856 jsonw_printf(dl->jw, "%d", data[i]);
1857 else
1858 pr_out("%02x ", data[i]);
1859
1860 addr++;
1861 i++;
1862 }
1863 pr_out_region_chunk_end(dl);
1864 }
1865
1866 static void pr_out_dev(struct dl *dl, struct nlattr **tb)
1867 {
1868 pr_out_handle(dl, tb);
1869 }
1870
1871 static void pr_out_section_start(struct dl *dl, const char *name)
1872 {
1873 if (dl->json_output) {
1874 jsonw_start_object(dl->jw);
1875 jsonw_name(dl->jw, name);
1876 jsonw_start_object(dl->jw);
1877 }
1878 }
1879
1880 static void pr_out_section_end(struct dl *dl)
1881 {
1882 if (dl->json_output) {
1883 if (dl->arr_last.present)
1884 jsonw_end_array(dl->jw);
1885 jsonw_end_object(dl->jw);
1886 jsonw_end_object(dl->jw);
1887 }
1888 }
1889
1890 static void pr_out_array_start(struct dl *dl, const char *name)
1891 {
1892 if (dl->json_output) {
1893 jsonw_name(dl->jw, name);
1894 jsonw_start_array(dl->jw);
1895 } else {
1896 __pr_out_indent_inc();
1897 __pr_out_newline();
1898 pr_out("%s:", name);
1899 __pr_out_indent_inc();
1900 __pr_out_newline();
1901 }
1902 }
1903
1904 static void pr_out_array_end(struct dl *dl)
1905 {
1906 if (dl->json_output) {
1907 jsonw_end_array(dl->jw);
1908 } else {
1909 __pr_out_indent_dec();
1910 __pr_out_indent_dec();
1911 }
1912 }
1913
1914 static void pr_out_object_start(struct dl *dl, const char *name)
1915 {
1916 if (dl->json_output) {
1917 jsonw_name(dl->jw, name);
1918 jsonw_start_object(dl->jw);
1919 } else {
1920 __pr_out_indent_inc();
1921 __pr_out_newline();
1922 pr_out("%s:", name);
1923 __pr_out_indent_inc();
1924 __pr_out_newline();
1925 }
1926 }
1927
1928 static void pr_out_object_end(struct dl *dl)
1929 {
1930 if (dl->json_output) {
1931 jsonw_end_object(dl->jw);
1932 } else {
1933 __pr_out_indent_dec();
1934 __pr_out_indent_dec();
1935 }
1936 }
1937
1938 static void pr_out_entry_start(struct dl *dl)
1939 {
1940 if (dl->json_output)
1941 jsonw_start_object(dl->jw);
1942 }
1943
1944 static void pr_out_entry_end(struct dl *dl)
1945 {
1946 if (dl->json_output)
1947 jsonw_end_object(dl->jw);
1948 else
1949 __pr_out_newline();
1950 }
1951
1952 static const char *param_cmode_name(uint8_t cmode)
1953 {
1954 switch (cmode) {
1955 case DEVLINK_PARAM_CMODE_RUNTIME:
1956 return PARAM_CMODE_RUNTIME_STR;
1957 case DEVLINK_PARAM_CMODE_DRIVERINIT:
1958 return PARAM_CMODE_DRIVERINIT_STR;
1959 case DEVLINK_PARAM_CMODE_PERMANENT:
1960 return PARAM_CMODE_PERMANENT_STR;
1961 default: return "<unknown type>";
1962 }
1963 }
1964
1965 static const char *eswitch_mode_name(uint32_t mode)
1966 {
1967 switch (mode) {
1968 case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
1969 case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
1970 default: return "<unknown mode>";
1971 }
1972 }
1973
1974 static const char *eswitch_inline_mode_name(uint32_t mode)
1975 {
1976 switch (mode) {
1977 case DEVLINK_ESWITCH_INLINE_MODE_NONE:
1978 return ESWITCH_INLINE_MODE_NONE;
1979 case DEVLINK_ESWITCH_INLINE_MODE_LINK:
1980 return ESWITCH_INLINE_MODE_LINK;
1981 case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
1982 return ESWITCH_INLINE_MODE_NETWORK;
1983 case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
1984 return ESWITCH_INLINE_MODE_TRANSPORT;
1985 default:
1986 return "<unknown mode>";
1987 }
1988 }
1989
1990 static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
1991 {
1992 __pr_out_handle_start(dl, tb, true, false);
1993
1994 if (tb[DEVLINK_ATTR_ESWITCH_MODE])
1995 pr_out_str(dl, "mode",
1996 eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
1997
1998 if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
1999 pr_out_str(dl, "inline-mode",
2000 eswitch_inline_mode_name(mnl_attr_get_u8(
2001 tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
2002
2003 if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
2004 bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
2005
2006 pr_out_str(dl, "encap", encap_mode ? "enable" : "disable");
2007 }
2008
2009 pr_out_handle_end(dl);
2010 }
2011
2012 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
2013 {
2014 struct dl *dl = data;
2015 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2016 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2017
2018 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2019 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2020 return MNL_CB_ERROR;
2021 pr_out_eswitch(dl, tb);
2022 return MNL_CB_OK;
2023 }
2024
2025 static int cmd_dev_eswitch_show(struct dl *dl)
2026 {
2027 struct nlmsghdr *nlh;
2028 int err;
2029
2030 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
2031 NLM_F_REQUEST | NLM_F_ACK);
2032
2033 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2034 if (err)
2035 return err;
2036
2037 pr_out_section_start(dl, "dev");
2038 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
2039 pr_out_section_end(dl);
2040 return err;
2041 }
2042
2043 static int cmd_dev_eswitch_set(struct dl *dl)
2044 {
2045 struct nlmsghdr *nlh;
2046 int err;
2047
2048 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
2049 NLM_F_REQUEST | NLM_F_ACK);
2050
2051 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
2052 DL_OPT_ESWITCH_MODE |
2053 DL_OPT_ESWITCH_INLINE_MODE |
2054 DL_OPT_ESWITCH_ENCAP_MODE);
2055
2056 if (err)
2057 return err;
2058
2059 if (dl->opts.present == 1) {
2060 pr_err("Need to set at least one option\n");
2061 return -ENOENT;
2062 }
2063
2064 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2065 }
2066
2067 static int cmd_dev_eswitch(struct dl *dl)
2068 {
2069 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2070 cmd_dev_help();
2071 return 0;
2072 } else if (dl_argv_match(dl, "set")) {
2073 dl_arg_inc(dl);
2074 return cmd_dev_eswitch_set(dl);
2075 } else if (dl_argv_match(dl, "show")) {
2076 dl_arg_inc(dl);
2077 return cmd_dev_eswitch_show(dl);
2078 }
2079 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2080 return -ENOENT;
2081 }
2082
2083 struct param_val_conv {
2084 const char *name;
2085 const char *vstr;
2086 uint32_t vuint;
2087 };
2088
2089 static bool param_val_conv_exists(const struct param_val_conv *param_val_conv,
2090 uint32_t len, const char *name)
2091 {
2092 uint32_t i;
2093
2094 for (i = 0; i < len; i++)
2095 if (!strcmp(param_val_conv[i].name, name))
2096 return true;
2097
2098 return false;
2099 }
2100
2101 static int
2102 param_val_conv_uint_get(const struct param_val_conv *param_val_conv,
2103 uint32_t len, const char *name, const char *vstr,
2104 uint32_t *vuint)
2105 {
2106 uint32_t i;
2107
2108 for (i = 0; i < len; i++)
2109 if (!strcmp(param_val_conv[i].name, name) &&
2110 !strcmp(param_val_conv[i].vstr, vstr)) {
2111 *vuint = param_val_conv[i].vuint;
2112 return 0;
2113 }
2114
2115 return -ENOENT;
2116 }
2117
2118 static int
2119 param_val_conv_str_get(const struct param_val_conv *param_val_conv,
2120 uint32_t len, const char *name, uint32_t vuint,
2121 const char **vstr)
2122 {
2123 uint32_t i;
2124
2125 for (i = 0; i < len; i++)
2126 if (!strcmp(param_val_conv[i].name, name) &&
2127 param_val_conv[i].vuint == vuint) {
2128 *vstr = param_val_conv[i].vstr;
2129 return 0;
2130 }
2131
2132 return -ENOENT;
2133 }
2134
2135 static const struct param_val_conv param_val_conv[] = {
2136 {
2137 .name = "fw_load_policy",
2138 .vstr = "driver",
2139 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
2140 },
2141 {
2142 .name = "fw_load_policy",
2143 .vstr = "flash",
2144 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
2145 },
2146 };
2147
2148 #define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv)
2149
2150 static void pr_out_param_value(struct dl *dl, const char *nla_name,
2151 int nla_type, struct nlattr *nl)
2152 {
2153 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2154 struct nlattr *val_attr;
2155 const char *vstr;
2156 bool conv_exists;
2157 int err;
2158
2159 err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
2160 if (err != MNL_CB_OK)
2161 return;
2162
2163 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2164 (nla_type != MNL_TYPE_FLAG &&
2165 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2166 return;
2167
2168 pr_out_str(dl, "cmode",
2169 param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
2170 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2171
2172 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2173 nla_name);
2174
2175 switch (nla_type) {
2176 case MNL_TYPE_U8:
2177 if (conv_exists) {
2178 err = param_val_conv_str_get(param_val_conv,
2179 PARAM_VAL_CONV_LEN,
2180 nla_name,
2181 mnl_attr_get_u8(val_attr),
2182 &vstr);
2183 if (err)
2184 return;
2185 pr_out_str(dl, "value", vstr);
2186 } else {
2187 pr_out_uint(dl, "value", mnl_attr_get_u8(val_attr));
2188 }
2189 break;
2190 case MNL_TYPE_U16:
2191 if (conv_exists) {
2192 err = param_val_conv_str_get(param_val_conv,
2193 PARAM_VAL_CONV_LEN,
2194 nla_name,
2195 mnl_attr_get_u16(val_attr),
2196 &vstr);
2197 if (err)
2198 return;
2199 pr_out_str(dl, "value", vstr);
2200 } else {
2201 pr_out_uint(dl, "value", mnl_attr_get_u16(val_attr));
2202 }
2203 break;
2204 case MNL_TYPE_U32:
2205 if (conv_exists) {
2206 err = param_val_conv_str_get(param_val_conv,
2207 PARAM_VAL_CONV_LEN,
2208 nla_name,
2209 mnl_attr_get_u32(val_attr),
2210 &vstr);
2211 if (err)
2212 return;
2213 pr_out_str(dl, "value", vstr);
2214 } else {
2215 pr_out_uint(dl, "value", mnl_attr_get_u32(val_attr));
2216 }
2217 break;
2218 case MNL_TYPE_STRING:
2219 pr_out_str(dl, "value", mnl_attr_get_str(val_attr));
2220 break;
2221 case MNL_TYPE_FLAG:
2222 pr_out_bool(dl, "value", val_attr ? true : false);
2223 break;
2224 }
2225 }
2226
2227 static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
2228 {
2229 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2230 struct nlattr *param_value_attr;
2231 const char *nla_name;
2232 int nla_type;
2233 int err;
2234
2235 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2236 if (err != MNL_CB_OK)
2237 return;
2238 if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
2239 !nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2240 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2241 return;
2242
2243 if (array)
2244 pr_out_handle_start_arr(dl, tb);
2245 else
2246 __pr_out_handle_start(dl, tb, true, false);
2247
2248 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2249
2250 nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]);
2251 pr_out_str(dl, "name", nla_name);
2252
2253 if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
2254 pr_out_str(dl, "type", "driver-specific");
2255 else
2256 pr_out_str(dl, "type", "generic");
2257
2258 pr_out_array_start(dl, "values");
2259 mnl_attr_for_each_nested(param_value_attr,
2260 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2261 pr_out_entry_start(dl);
2262 pr_out_param_value(dl, nla_name, nla_type, param_value_attr);
2263 pr_out_entry_end(dl);
2264 }
2265 pr_out_array_end(dl);
2266 pr_out_handle_end(dl);
2267 }
2268
2269 static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
2270 {
2271 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2272 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2273 struct dl *dl = data;
2274
2275 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2276 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2277 !tb[DEVLINK_ATTR_PARAM])
2278 return MNL_CB_ERROR;
2279 pr_out_param(dl, tb, true);
2280 return MNL_CB_OK;
2281 }
2282
2283 struct param_ctx {
2284 struct dl *dl;
2285 int nla_type;
2286 union {
2287 uint8_t vu8;
2288 uint16_t vu16;
2289 uint32_t vu32;
2290 const char *vstr;
2291 bool vbool;
2292 } value;
2293 };
2294
2295 static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
2296 {
2297 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2298 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2299 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2300 struct nlattr *param_value_attr;
2301 enum devlink_param_cmode cmode;
2302 struct param_ctx *ctx = data;
2303 struct dl *dl = ctx->dl;
2304 int nla_type;
2305 int err;
2306
2307 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2308 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2309 !tb[DEVLINK_ATTR_PARAM])
2310 return MNL_CB_ERROR;
2311
2312 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2313 if (err != MNL_CB_OK)
2314 return MNL_CB_ERROR;
2315
2316 if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2317 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2318 return MNL_CB_ERROR;
2319
2320 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2321 mnl_attr_for_each_nested(param_value_attr,
2322 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2323 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2324 struct nlattr *val_attr;
2325
2326 err = mnl_attr_parse_nested(param_value_attr,
2327 attr_cb, nla_value);
2328 if (err != MNL_CB_OK)
2329 return MNL_CB_ERROR;
2330
2331 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2332 (nla_type != MNL_TYPE_FLAG &&
2333 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2334 return MNL_CB_ERROR;
2335
2336 cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
2337 if (cmode == dl->opts.cmode) {
2338 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2339 switch (nla_type) {
2340 case MNL_TYPE_U8:
2341 ctx->value.vu8 = mnl_attr_get_u8(val_attr);
2342 break;
2343 case MNL_TYPE_U16:
2344 ctx->value.vu16 = mnl_attr_get_u16(val_attr);
2345 break;
2346 case MNL_TYPE_U32:
2347 ctx->value.vu32 = mnl_attr_get_u32(val_attr);
2348 break;
2349 case MNL_TYPE_STRING:
2350 ctx->value.vstr = mnl_attr_get_str(val_attr);
2351 break;
2352 case MNL_TYPE_FLAG:
2353 ctx->value.vbool = val_attr ? true : false;
2354 break;
2355 }
2356 break;
2357 }
2358 }
2359 ctx->nla_type = nla_type;
2360 return MNL_CB_OK;
2361 }
2362
2363 static int cmd_dev_param_set(struct dl *dl)
2364 {
2365 struct param_ctx ctx = {};
2366 struct nlmsghdr *nlh;
2367 bool conv_exists;
2368 uint32_t val_u32;
2369 uint16_t val_u16;
2370 uint8_t val_u8;
2371 bool val_bool;
2372 int err;
2373
2374 err = dl_argv_parse(dl, DL_OPT_HANDLE |
2375 DL_OPT_PARAM_NAME |
2376 DL_OPT_PARAM_VALUE |
2377 DL_OPT_PARAM_CMODE, 0);
2378 if (err)
2379 return err;
2380
2381 /* Get value type */
2382 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
2383 NLM_F_REQUEST | NLM_F_ACK);
2384 dl_opts_put(nlh, dl);
2385
2386 ctx.dl = dl;
2387 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
2388 if (err)
2389 return err;
2390
2391 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
2392 NLM_F_REQUEST | NLM_F_ACK);
2393 dl_opts_put(nlh, dl);
2394
2395 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2396 dl->opts.param_name);
2397
2398 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
2399 switch (ctx.nla_type) {
2400 case MNL_TYPE_U8:
2401 if (conv_exists) {
2402 err = param_val_conv_uint_get(param_val_conv,
2403 PARAM_VAL_CONV_LEN,
2404 dl->opts.param_name,
2405 dl->opts.param_value,
2406 &val_u32);
2407 val_u8 = val_u32;
2408 } else {
2409 err = strtouint8_t(dl->opts.param_value, &val_u8);
2410 }
2411 if (err)
2412 goto err_param_value_parse;
2413 if (val_u8 == ctx.value.vu8)
2414 return 0;
2415 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
2416 break;
2417 case MNL_TYPE_U16:
2418 if (conv_exists) {
2419 err = param_val_conv_uint_get(param_val_conv,
2420 PARAM_VAL_CONV_LEN,
2421 dl->opts.param_name,
2422 dl->opts.param_value,
2423 &val_u32);
2424 val_u16 = val_u32;
2425 } else {
2426 err = strtouint16_t(dl->opts.param_value, &val_u16);
2427 }
2428 if (err)
2429 goto err_param_value_parse;
2430 if (val_u16 == ctx.value.vu16)
2431 return 0;
2432 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
2433 break;
2434 case MNL_TYPE_U32:
2435 if (conv_exists)
2436 err = param_val_conv_uint_get(param_val_conv,
2437 PARAM_VAL_CONV_LEN,
2438 dl->opts.param_name,
2439 dl->opts.param_value,
2440 &val_u32);
2441 else
2442 err = strtouint32_t(dl->opts.param_value, &val_u32);
2443 if (err)
2444 goto err_param_value_parse;
2445 if (val_u32 == ctx.value.vu32)
2446 return 0;
2447 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
2448 break;
2449 case MNL_TYPE_FLAG:
2450 err = strtobool(dl->opts.param_value, &val_bool);
2451 if (err)
2452 goto err_param_value_parse;
2453 if (val_bool == ctx.value.vbool)
2454 return 0;
2455 if (val_bool)
2456 mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2457 0, NULL);
2458 break;
2459 case MNL_TYPE_STRING:
2460 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2461 dl->opts.param_value);
2462 if (!strcmp(dl->opts.param_value, ctx.value.vstr))
2463 return 0;
2464 break;
2465 default:
2466 printf("Value type not supported\n");
2467 return -ENOTSUP;
2468 }
2469 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2470
2471 err_param_value_parse:
2472 pr_err("Value \"%s\" is not a number or not within range\n",
2473 dl->opts.param_value);
2474 return err;
2475 }
2476
2477 static int cmd_dev_param_show(struct dl *dl)
2478 {
2479 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2480 struct nlmsghdr *nlh;
2481 int err;
2482
2483 if (dl_argc(dl) == 0)
2484 flags |= NLM_F_DUMP;
2485
2486 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
2487
2488 if (dl_argc(dl) > 0) {
2489 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
2490 DL_OPT_PARAM_NAME, 0);
2491 if (err)
2492 return err;
2493 }
2494
2495 pr_out_section_start(dl, "param");
2496 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
2497 pr_out_section_end(dl);
2498 return err;
2499 }
2500
2501 static int cmd_dev_param(struct dl *dl)
2502 {
2503 if (dl_argv_match(dl, "help")) {
2504 cmd_dev_help();
2505 return 0;
2506 } else if (dl_argv_match(dl, "show") ||
2507 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2508 dl_arg_inc(dl);
2509 return cmd_dev_param_show(dl);
2510 } else if (dl_argv_match(dl, "set")) {
2511 dl_arg_inc(dl);
2512 return cmd_dev_param_set(dl);
2513 }
2514 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2515 return -ENOENT;
2516 }
2517 static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
2518 {
2519 struct dl *dl = data;
2520 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2521 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2522
2523 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2524 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2525 return MNL_CB_ERROR;
2526 pr_out_dev(dl, tb);
2527 return MNL_CB_OK;
2528 }
2529
2530 static int cmd_dev_show(struct dl *dl)
2531 {
2532 struct nlmsghdr *nlh;
2533 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2534 int err;
2535
2536 if (dl_argc(dl) == 0)
2537 flags |= NLM_F_DUMP;
2538
2539 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
2540
2541 if (dl_argc(dl) > 0) {
2542 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2543 if (err)
2544 return err;
2545 }
2546
2547 pr_out_section_start(dl, "dev");
2548 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
2549 pr_out_section_end(dl);
2550 return err;
2551 }
2552
2553 static void cmd_dev_reload_help(void)
2554 {
2555 pr_err("Usage: devlink dev reload [ DEV ]\n");
2556 }
2557
2558 static int cmd_dev_reload(struct dl *dl)
2559 {
2560 struct nlmsghdr *nlh;
2561 int err;
2562
2563 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2564 cmd_dev_reload_help();
2565 return 0;
2566 }
2567
2568 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
2569 NLM_F_REQUEST | NLM_F_ACK);
2570
2571 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2572 if (err)
2573 return err;
2574
2575 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2576 }
2577
2578 static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh,
2579 const char *name, int type)
2580 {
2581 struct nlattr *version;
2582
2583 mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) {
2584 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2585 const char *ver_value;
2586 const char *ver_name;
2587 int err;
2588
2589 if (mnl_attr_get_type(version) != type)
2590 continue;
2591
2592 err = mnl_attr_parse_nested(version, attr_cb, tb);
2593 if (err != MNL_CB_OK)
2594 continue;
2595
2596 if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] ||
2597 !tb[DEVLINK_ATTR_INFO_VERSION_VALUE])
2598 continue;
2599
2600 if (name) {
2601 pr_out_object_start(dl, name);
2602 name = NULL;
2603 }
2604
2605 ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]);
2606 ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]);
2607
2608 pr_out_str(dl, ver_name, ver_value);
2609 if (!dl->json_output)
2610 __pr_out_newline();
2611 }
2612
2613 if (!name)
2614 pr_out_object_end(dl);
2615 }
2616
2617 static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh,
2618 struct nlattr **tb, bool has_versions)
2619 {
2620 __pr_out_handle_start(dl, tb, true, false);
2621
2622 __pr_out_indent_inc();
2623 if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) {
2624 struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME];
2625
2626 if (!dl->json_output)
2627 __pr_out_newline();
2628 pr_out_str(dl, "driver", mnl_attr_get_str(nla_drv));
2629 }
2630
2631 if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) {
2632 struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER];
2633
2634 if (!dl->json_output)
2635 __pr_out_newline();
2636 pr_out_str(dl, "serial_number", mnl_attr_get_str(nla_sn));
2637 }
2638 __pr_out_indent_dec();
2639
2640 if (has_versions) {
2641 pr_out_object_start(dl, "versions");
2642
2643 pr_out_versions_single(dl, nlh, "fixed",
2644 DEVLINK_ATTR_INFO_VERSION_FIXED);
2645 pr_out_versions_single(dl, nlh, "running",
2646 DEVLINK_ATTR_INFO_VERSION_RUNNING);
2647 pr_out_versions_single(dl, nlh, "stored",
2648 DEVLINK_ATTR_INFO_VERSION_STORED);
2649
2650 pr_out_object_end(dl);
2651 }
2652
2653 pr_out_handle_end(dl);
2654 }
2655
2656 static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data)
2657 {
2658 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2659 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2660 bool has_versions, has_info;
2661 struct dl *dl = data;
2662
2663 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2664
2665 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2666 return MNL_CB_ERROR;
2667
2668 has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] ||
2669 tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] ||
2670 tb[DEVLINK_ATTR_INFO_VERSION_STORED];
2671 has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] ||
2672 tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] ||
2673 has_versions;
2674
2675 if (has_info)
2676 pr_out_info(dl, nlh, tb, has_versions);
2677
2678 return MNL_CB_OK;
2679 }
2680
2681 static void cmd_dev_info_help(void)
2682 {
2683 pr_err("Usage: devlink dev info [ DEV ]\n");
2684 }
2685
2686 static int cmd_dev_info(struct dl *dl)
2687 {
2688 struct nlmsghdr *nlh;
2689 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2690 int err;
2691
2692 if (dl_argv_match(dl, "help")) {
2693 cmd_dev_info_help();
2694 return 0;
2695 }
2696
2697 if (dl_argc(dl) == 0)
2698 flags |= NLM_F_DUMP;
2699
2700 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_INFO_GET, flags);
2701
2702 if (dl_argc(dl) > 0) {
2703 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2704 if (err)
2705 return err;
2706 }
2707
2708 pr_out_section_start(dl, "info");
2709 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_versions_show_cb, dl);
2710 pr_out_section_end(dl);
2711 return err;
2712 }
2713
2714 static void cmd_dev_flash_help(void)
2715 {
2716 pr_err("Usage: devlink dev flash DEV file PATH [ component NAME ]\n");
2717 }
2718
2719 static int cmd_dev_flash(struct dl *dl)
2720 {
2721 struct nlmsghdr *nlh;
2722 int err;
2723
2724 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2725 cmd_dev_flash_help();
2726 return 0;
2727 }
2728
2729 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_FLASH_UPDATE,
2730 NLM_F_REQUEST | NLM_F_ACK);
2731
2732 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME,
2733 DL_OPT_FLASH_COMPONENT);
2734 if (err)
2735 return err;
2736
2737 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2738 }
2739
2740 static int cmd_dev(struct dl *dl)
2741 {
2742 if (dl_argv_match(dl, "help")) {
2743 cmd_dev_help();
2744 return 0;
2745 } else if (dl_argv_match(dl, "show") ||
2746 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2747 dl_arg_inc(dl);
2748 return cmd_dev_show(dl);
2749 } else if (dl_argv_match(dl, "eswitch")) {
2750 dl_arg_inc(dl);
2751 return cmd_dev_eswitch(dl);
2752 } else if (dl_argv_match(dl, "reload")) {
2753 dl_arg_inc(dl);
2754 return cmd_dev_reload(dl);
2755 } else if (dl_argv_match(dl, "param")) {
2756 dl_arg_inc(dl);
2757 return cmd_dev_param(dl);
2758 } else if (dl_argv_match(dl, "info")) {
2759 dl_arg_inc(dl);
2760 return cmd_dev_info(dl);
2761 } else if (dl_argv_match(dl, "flash")) {
2762 dl_arg_inc(dl);
2763 return cmd_dev_flash(dl);
2764 }
2765 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2766 return -ENOENT;
2767 }
2768
2769 static void cmd_port_help(void)
2770 {
2771 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
2772 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
2773 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
2774 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
2775 }
2776
2777 static const char *port_type_name(uint32_t type)
2778 {
2779 switch (type) {
2780 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
2781 case DEVLINK_PORT_TYPE_AUTO: return "auto";
2782 case DEVLINK_PORT_TYPE_ETH: return "eth";
2783 case DEVLINK_PORT_TYPE_IB: return "ib";
2784 default: return "<unknown type>";
2785 }
2786 }
2787
2788 static const char *port_flavour_name(uint16_t flavour)
2789 {
2790 switch (flavour) {
2791 case DEVLINK_PORT_FLAVOUR_PHYSICAL:
2792 return "physical";
2793 case DEVLINK_PORT_FLAVOUR_CPU:
2794 return "cpu";
2795 case DEVLINK_PORT_FLAVOUR_DSA:
2796 return "dsa";
2797 default:
2798 return "<unknown flavour>";
2799 }
2800 }
2801
2802 static void pr_out_port(struct dl *dl, struct nlattr **tb)
2803 {
2804 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
2805 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
2806
2807 pr_out_port_handle_start(dl, tb, false);
2808 if (pt_attr) {
2809 uint16_t port_type = mnl_attr_get_u16(pt_attr);
2810
2811 pr_out_str(dl, "type", port_type_name(port_type));
2812 if (dpt_attr) {
2813 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
2814
2815 if (port_type != des_port_type)
2816 pr_out_str(dl, "des_type",
2817 port_type_name(des_port_type));
2818 }
2819 }
2820 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
2821 pr_out_str(dl, "netdev",
2822 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
2823 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
2824 pr_out_str(dl, "ibdev",
2825 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
2826 if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
2827 uint16_t port_flavour =
2828 mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
2829
2830 pr_out_str(dl, "flavour", port_flavour_name(port_flavour));
2831 }
2832 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
2833 pr_out_uint(dl, "split_group",
2834 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
2835 pr_out_port_handle_end(dl);
2836 }
2837
2838 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
2839 {
2840 struct dl *dl = data;
2841 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2842 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2843
2844 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2845 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2846 !tb[DEVLINK_ATTR_PORT_INDEX])
2847 return MNL_CB_ERROR;
2848 pr_out_port(dl, tb);
2849 return MNL_CB_OK;
2850 }
2851
2852 static int cmd_port_show(struct dl *dl)
2853 {
2854 struct nlmsghdr *nlh;
2855 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2856 int err;
2857
2858 if (dl_argc(dl) == 0)
2859 flags |= NLM_F_DUMP;
2860
2861 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
2862
2863 if (dl_argc(dl) > 0) {
2864 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2865 if (err)
2866 return err;
2867 }
2868
2869 pr_out_section_start(dl, "port");
2870 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
2871 pr_out_section_end(dl);
2872 return err;
2873 }
2874
2875 static int cmd_port_set(struct dl *dl)
2876 {
2877 struct nlmsghdr *nlh;
2878 int err;
2879
2880 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
2881 NLM_F_REQUEST | NLM_F_ACK);
2882
2883 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
2884 if (err)
2885 return err;
2886
2887 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2888 }
2889
2890 static int cmd_port_split(struct dl *dl)
2891 {
2892 struct nlmsghdr *nlh;
2893 int err;
2894
2895 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
2896 NLM_F_REQUEST | NLM_F_ACK);
2897
2898 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
2899 if (err)
2900 return err;
2901
2902 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2903 }
2904
2905 static int cmd_port_unsplit(struct dl *dl)
2906 {
2907 struct nlmsghdr *nlh;
2908 int err;
2909
2910 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
2911 NLM_F_REQUEST | NLM_F_ACK);
2912
2913 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2914 if (err)
2915 return err;
2916
2917 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2918 }
2919
2920 static int cmd_port(struct dl *dl)
2921 {
2922 if (dl_argv_match(dl, "help")) {
2923 cmd_port_help();
2924 return 0;
2925 } else if (dl_argv_match(dl, "show") ||
2926 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2927 dl_arg_inc(dl);
2928 return cmd_port_show(dl);
2929 } else if (dl_argv_match(dl, "set")) {
2930 dl_arg_inc(dl);
2931 return cmd_port_set(dl);
2932 } else if (dl_argv_match(dl, "split")) {
2933 dl_arg_inc(dl);
2934 return cmd_port_split(dl);
2935 } else if (dl_argv_match(dl, "unsplit")) {
2936 dl_arg_inc(dl);
2937 return cmd_port_unsplit(dl);
2938 }
2939 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2940 return -ENOENT;
2941 }
2942
2943 static void cmd_sb_help(void)
2944 {
2945 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
2946 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
2947 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
2948 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
2949 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2950 pr_err(" pool POOL_INDEX ]\n");
2951 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2952 pr_err(" pool POOL_INDEX th THRESHOLD\n");
2953 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2954 pr_err(" type { ingress | egress } ]\n");
2955 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2956 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
2957 pr_err(" th THRESHOLD\n");
2958 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
2959 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
2960 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
2961 }
2962
2963 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
2964 {
2965 pr_out_handle_start_arr(dl, tb);
2966 pr_out_uint(dl, "sb",
2967 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
2968 pr_out_uint(dl, "size",
2969 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
2970 pr_out_uint(dl, "ing_pools",
2971 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
2972 pr_out_uint(dl, "eg_pools",
2973 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
2974 pr_out_uint(dl, "ing_tcs",
2975 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
2976 pr_out_uint(dl, "eg_tcs",
2977 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
2978 pr_out_handle_end(dl);
2979 }
2980
2981 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
2982 {
2983 struct dl *dl = data;
2984 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2985 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2986
2987 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2988 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2989 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
2990 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
2991 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
2992 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
2993 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
2994 return MNL_CB_ERROR;
2995 pr_out_sb(dl, tb);
2996 return MNL_CB_OK;
2997 }
2998
2999 static int cmd_sb_show(struct dl *dl)
3000 {
3001 struct nlmsghdr *nlh;
3002 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3003 int err;
3004
3005 if (dl_argc(dl) == 0)
3006 flags |= NLM_F_DUMP;
3007
3008 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
3009
3010 if (dl_argc(dl) > 0) {
3011 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3012 if (err)
3013 return err;
3014 }
3015
3016 pr_out_section_start(dl, "sb");
3017 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
3018 pr_out_section_end(dl);
3019 return err;
3020 }
3021
3022 static const char *pool_type_name(uint8_t type)
3023 {
3024 switch (type) {
3025 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
3026 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
3027 default: return "<unknown type>";
3028 }
3029 }
3030
3031 static const char *threshold_type_name(uint8_t type)
3032 {
3033 switch (type) {
3034 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
3035 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
3036 default: return "<unknown type>";
3037 }
3038 }
3039
3040 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
3041 {
3042 pr_out_handle_start_arr(dl, tb);
3043 pr_out_uint(dl, "sb",
3044 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3045 pr_out_uint(dl, "pool",
3046 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3047 pr_out_str(dl, "type",
3048 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3049 pr_out_uint(dl, "size",
3050 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
3051 pr_out_str(dl, "thtype",
3052 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
3053 if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
3054 pr_out_uint(dl, "cell_size",
3055 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
3056 pr_out_handle_end(dl);
3057 }
3058
3059 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3060 {
3061 struct dl *dl = data;
3062 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3063 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3064
3065 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3066 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3067 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3068 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
3069 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
3070 return MNL_CB_ERROR;
3071 pr_out_sb_pool(dl, tb);
3072 return MNL_CB_OK;
3073 }
3074
3075 static int cmd_sb_pool_show(struct dl *dl)
3076 {
3077 struct nlmsghdr *nlh;
3078 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3079 int err;
3080
3081 if (dl_argc(dl) == 0)
3082 flags |= NLM_F_DUMP;
3083
3084 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
3085
3086 if (dl_argc(dl) > 0) {
3087 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
3088 DL_OPT_SB);
3089 if (err)
3090 return err;
3091 }
3092
3093 pr_out_section_start(dl, "pool");
3094 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
3095 pr_out_section_end(dl);
3096 return err;
3097 }
3098
3099 static int cmd_sb_pool_set(struct dl *dl)
3100 {
3101 struct nlmsghdr *nlh;
3102 int err;
3103
3104 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
3105 NLM_F_REQUEST | NLM_F_ACK);
3106
3107 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
3108 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
3109 if (err)
3110 return err;
3111
3112 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3113 }
3114
3115 static int cmd_sb_pool(struct dl *dl)
3116 {
3117 if (dl_argv_match(dl, "help")) {
3118 cmd_sb_help();
3119 return 0;
3120 } else if (dl_argv_match(dl, "show") ||
3121 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3122 dl_arg_inc(dl);
3123 return cmd_sb_pool_show(dl);
3124 } else if (dl_argv_match(dl, "set")) {
3125 dl_arg_inc(dl);
3126 return cmd_sb_pool_set(dl);
3127 }
3128 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3129 return -ENOENT;
3130 }
3131
3132 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
3133 {
3134 pr_out_port_handle_start_arr(dl, tb, true);
3135 pr_out_uint(dl, "sb",
3136 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3137 pr_out_uint(dl, "pool",
3138 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3139 pr_out_uint(dl, "threshold",
3140 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3141 pr_out_port_handle_end(dl);
3142 }
3143
3144 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3145 {
3146 struct dl *dl = data;
3147 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3148 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3149
3150 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3151 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3152 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3153 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3154 return MNL_CB_ERROR;
3155 pr_out_sb_port_pool(dl, tb);
3156 return MNL_CB_OK;
3157 }
3158
3159 static int cmd_sb_port_pool_show(struct dl *dl)
3160 {
3161 struct nlmsghdr *nlh;
3162 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3163 int err;
3164
3165 if (dl_argc(dl) == 0)
3166 flags |= NLM_F_DUMP;
3167
3168 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3169
3170 if (dl_argc(dl) > 0) {
3171 err = dl_argv_parse_put(nlh, dl,
3172 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
3173 DL_OPT_SB);
3174 if (err)
3175 return err;
3176 }
3177
3178 pr_out_section_start(dl, "port_pool");
3179 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
3180 pr_out_section_end(dl);
3181 return 0;
3182 }
3183
3184 static int cmd_sb_port_pool_set(struct dl *dl)
3185 {
3186 struct nlmsghdr *nlh;
3187 int err;
3188
3189 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
3190 NLM_F_REQUEST | NLM_F_ACK);
3191
3192 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
3193 DL_OPT_SB_TH, DL_OPT_SB);
3194 if (err)
3195 return err;
3196
3197 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3198 }
3199
3200 static int cmd_sb_port_pool(struct dl *dl)
3201 {
3202 if (dl_argv_match(dl, "help")) {
3203 cmd_sb_help();
3204 return 0;
3205 } else if (dl_argv_match(dl, "show") ||
3206 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3207 dl_arg_inc(dl);
3208 return cmd_sb_port_pool_show(dl);
3209 } else if (dl_argv_match(dl, "set")) {
3210 dl_arg_inc(dl);
3211 return cmd_sb_port_pool_set(dl);
3212 }
3213 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3214 return -ENOENT;
3215 }
3216
3217 static int cmd_sb_port(struct dl *dl)
3218 {
3219 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3220 cmd_sb_help();
3221 return 0;
3222 } else if (dl_argv_match(dl, "pool")) {
3223 dl_arg_inc(dl);
3224 return cmd_sb_port_pool(dl);
3225 }
3226 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3227 return -ENOENT;
3228 }
3229
3230 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
3231 {
3232 pr_out_port_handle_start_arr(dl, tb, true);
3233 pr_out_uint(dl, "sb",
3234 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3235 pr_out_uint(dl, "tc",
3236 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
3237 pr_out_str(dl, "type",
3238 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3239 pr_out_uint(dl, "pool",
3240 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3241 pr_out_uint(dl, "threshold",
3242 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3243 pr_out_port_handle_end(dl);
3244 }
3245
3246 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
3247 {
3248 struct dl *dl = data;
3249 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3250 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3251
3252 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3253 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3254 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3255 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3256 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3257 return MNL_CB_ERROR;
3258 pr_out_sb_tc_bind(dl, tb);
3259 return MNL_CB_OK;
3260 }
3261
3262 static int cmd_sb_tc_bind_show(struct dl *dl)
3263 {
3264 struct nlmsghdr *nlh;
3265 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3266 int err;
3267
3268 if (dl_argc(dl) == 0)
3269 flags |= NLM_F_DUMP;
3270
3271 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3272
3273 if (dl_argc(dl) > 0) {
3274 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3275 DL_OPT_SB_TYPE, DL_OPT_SB);
3276 if (err)
3277 return err;
3278 }
3279
3280 pr_out_section_start(dl, "tc_bind");
3281 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
3282 pr_out_section_end(dl);
3283 return err;
3284 }
3285
3286 static int cmd_sb_tc_bind_set(struct dl *dl)
3287 {
3288 struct nlmsghdr *nlh;
3289 int err;
3290
3291 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
3292 NLM_F_REQUEST | NLM_F_ACK);
3293
3294 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3295 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
3296 DL_OPT_SB);
3297 if (err)
3298 return err;
3299
3300 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3301 }
3302
3303 static int cmd_sb_tc_bind(struct dl *dl)
3304 {
3305 if (dl_argv_match(dl, "help")) {
3306 cmd_sb_help();
3307 return 0;
3308 } else if (dl_argv_match(dl, "show") ||
3309 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3310 dl_arg_inc(dl);
3311 return cmd_sb_tc_bind_show(dl);
3312 } else if (dl_argv_match(dl, "set")) {
3313 dl_arg_inc(dl);
3314 return cmd_sb_tc_bind_set(dl);
3315 }
3316 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3317 return -ENOENT;
3318 }
3319
3320 static int cmd_sb_tc(struct dl *dl)
3321 {
3322 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3323 cmd_sb_help();
3324 return 0;
3325 } else if (dl_argv_match(dl, "bind")) {
3326 dl_arg_inc(dl);
3327 return cmd_sb_tc_bind(dl);
3328 }
3329 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3330 return -ENOENT;
3331 }
3332
3333 struct occ_item {
3334 struct list_head list;
3335 uint32_t index;
3336 uint32_t cur;
3337 uint32_t max;
3338 uint32_t bound_pool_index;
3339 };
3340
3341 struct occ_port {
3342 struct list_head list;
3343 char *bus_name;
3344 char *dev_name;
3345 uint32_t port_index;
3346 uint32_t sb_index;
3347 struct list_head pool_list;
3348 struct list_head ing_tc_list;
3349 struct list_head eg_tc_list;
3350 };
3351
3352 struct occ_show {
3353 struct dl *dl;
3354 int err;
3355 struct list_head port_list;
3356 };
3357
3358 static struct occ_item *occ_item_alloc(void)
3359 {
3360 return calloc(1, sizeof(struct occ_item));
3361 }
3362
3363 static void occ_item_free(struct occ_item *occ_item)
3364 {
3365 free(occ_item);
3366 }
3367
3368 static struct occ_port *occ_port_alloc(uint32_t port_index)
3369 {
3370 struct occ_port *occ_port;
3371
3372 occ_port = calloc(1, sizeof(*occ_port));
3373 if (!occ_port)
3374 return NULL;
3375 occ_port->port_index = port_index;
3376 INIT_LIST_HEAD(&occ_port->pool_list);
3377 INIT_LIST_HEAD(&occ_port->ing_tc_list);
3378 INIT_LIST_HEAD(&occ_port->eg_tc_list);
3379 return occ_port;
3380 }
3381
3382 static void occ_port_free(struct occ_port *occ_port)
3383 {
3384 struct occ_item *occ_item, *tmp;
3385
3386 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
3387 occ_item_free(occ_item);
3388 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
3389 occ_item_free(occ_item);
3390 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
3391 occ_item_free(occ_item);
3392 }
3393
3394 static struct occ_show *occ_show_alloc(struct dl *dl)
3395 {
3396 struct occ_show *occ_show;
3397
3398 occ_show = calloc(1, sizeof(*occ_show));
3399 if (!occ_show)
3400 return NULL;
3401 occ_show->dl = dl;
3402 INIT_LIST_HEAD(&occ_show->port_list);
3403 return occ_show;
3404 }
3405
3406 static void occ_show_free(struct occ_show *occ_show)
3407 {
3408 struct occ_port *occ_port, *tmp;
3409
3410 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
3411 occ_port_free(occ_port);
3412 }
3413
3414 static struct occ_port *occ_port_get(struct occ_show *occ_show,
3415 struct nlattr **tb)
3416 {
3417 struct occ_port *occ_port;
3418 uint32_t port_index;
3419
3420 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
3421
3422 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
3423 if (occ_port->port_index == port_index)
3424 return occ_port;
3425 }
3426 occ_port = occ_port_alloc(port_index);
3427 if (!occ_port)
3428 return NULL;
3429 list_add_tail(&occ_port->list, &occ_show->port_list);
3430 return occ_port;
3431 }
3432
3433 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
3434 bool bound_pool)
3435 {
3436 struct occ_item *occ_item;
3437 int i = 1;
3438
3439 pr_out_sp(7, " %s:", label);
3440 list_for_each_entry(occ_item, list, list) {
3441 if ((i - 1) % 4 == 0 && i != 1)
3442 pr_out_sp(7, " ");
3443 if (bound_pool)
3444 pr_out_sp(7, "%2u(%u):", occ_item->index,
3445 occ_item->bound_pool_index);
3446 else
3447 pr_out_sp(7, "%2u:", occ_item->index);
3448 pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max);
3449 if (i++ % 4 == 0)
3450 pr_out("\n");
3451 }
3452 if ((i - 1) % 4 != 0)
3453 pr_out("\n");
3454 }
3455
3456 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
3457 struct list_head *list,
3458 bool bound_pool)
3459 {
3460 struct occ_item *occ_item;
3461 char buf[32];
3462
3463 jsonw_name(dl->jw, label);
3464 jsonw_start_object(dl->jw);
3465 list_for_each_entry(occ_item, list, list) {
3466 sprintf(buf, "%u", occ_item->index);
3467 jsonw_name(dl->jw, buf);
3468 jsonw_start_object(dl->jw);
3469 if (bound_pool)
3470 jsonw_uint_field(dl->jw, "bound_pool",
3471 occ_item->bound_pool_index);
3472 jsonw_uint_field(dl->jw, "current", occ_item->cur);
3473 jsonw_uint_field(dl->jw, "max", occ_item->max);
3474 jsonw_end_object(dl->jw);
3475 }
3476 jsonw_end_object(dl->jw);
3477 }
3478
3479 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
3480 {
3481 if (dl->json_output) {
3482 pr_out_json_occ_show_item_list(dl, "pool",
3483 &occ_port->pool_list, false);
3484 pr_out_json_occ_show_item_list(dl, "itc",
3485 &occ_port->ing_tc_list, true);
3486 pr_out_json_occ_show_item_list(dl, "etc",
3487 &occ_port->eg_tc_list, true);
3488 } else {
3489 pr_out("\n");
3490 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
3491 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
3492 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
3493 }
3494 }
3495
3496 static void pr_out_occ_show(struct occ_show *occ_show)
3497 {
3498 struct dl *dl = occ_show->dl;
3499 struct dl_opts *opts = &dl->opts;
3500 struct occ_port *occ_port;
3501
3502 list_for_each_entry(occ_port, &occ_show->port_list, list) {
3503 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
3504 occ_port->port_index, true, false);
3505 pr_out_occ_show_port(dl, occ_port);
3506 pr_out_port_handle_end(dl);
3507 }
3508 }
3509
3510 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
3511 struct nlattr **tb)
3512 {
3513 struct occ_port *occ_port;
3514 struct occ_item *occ_item;
3515
3516 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3517 return;
3518
3519 occ_port = occ_port_get(occ_show, tb);
3520 if (!occ_port) {
3521 occ_show->err = -ENOMEM;
3522 return;
3523 }
3524
3525 occ_item = occ_item_alloc();
3526 if (!occ_item) {
3527 occ_show->err = -ENOMEM;
3528 return;
3529 }
3530 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3531 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3532 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3533 list_add_tail(&occ_item->list, &occ_port->pool_list);
3534 }
3535
3536 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3537 {
3538 struct occ_show *occ_show = data;
3539 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3540 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3541
3542 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3543 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3544 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3545 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3546 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3547 return MNL_CB_ERROR;
3548 cmd_sb_occ_port_pool_process(occ_show, tb);
3549 return MNL_CB_OK;
3550 }
3551
3552 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
3553 struct nlattr **tb)
3554 {
3555 struct occ_port *occ_port;
3556 struct occ_item *occ_item;
3557 uint8_t pool_type;
3558
3559 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3560 return;
3561
3562 occ_port = occ_port_get(occ_show, tb);
3563 if (!occ_port) {
3564 occ_show->err = -ENOMEM;
3565 return;
3566 }
3567
3568 occ_item = occ_item_alloc();
3569 if (!occ_item) {
3570 occ_show->err = -ENOMEM;
3571 return;
3572 }
3573 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
3574 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3575 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3576 occ_item->bound_pool_index =
3577 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3578 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
3579 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
3580 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
3581 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
3582 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
3583 else
3584 occ_item_free(occ_item);
3585 }
3586
3587 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3588 {
3589 struct occ_show *occ_show = data;
3590 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3591 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3592
3593 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3594 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3595 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3596 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3597 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3598 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3599 return MNL_CB_ERROR;
3600 cmd_sb_occ_tc_pool_process(occ_show, tb);
3601 return MNL_CB_OK;
3602 }
3603
3604 static int cmd_sb_occ_show(struct dl *dl)
3605 {
3606 struct nlmsghdr *nlh;
3607 struct occ_show *occ_show;
3608 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
3609 int err;
3610
3611 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
3612 if (err)
3613 return err;
3614
3615 occ_show = occ_show_alloc(dl);
3616 if (!occ_show)
3617 return -ENOMEM;
3618
3619 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3620
3621 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3622 cmd_sb_occ_port_pool_process_cb, occ_show);
3623 if (err)
3624 goto out;
3625
3626 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3627
3628 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3629 cmd_sb_occ_tc_pool_process_cb, occ_show);
3630 if (err)
3631 goto out;
3632
3633 pr_out_section_start(dl, "occupancy");
3634 pr_out_occ_show(occ_show);
3635 pr_out_section_end(dl);
3636
3637 out:
3638 occ_show_free(occ_show);
3639 return err;
3640 }
3641
3642 static int cmd_sb_occ_snapshot(struct dl *dl)
3643 {
3644 struct nlmsghdr *nlh;
3645 int err;
3646
3647 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
3648 NLM_F_REQUEST | NLM_F_ACK);
3649
3650 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3651 if (err)
3652 return err;
3653
3654 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3655 }
3656
3657 static int cmd_sb_occ_clearmax(struct dl *dl)
3658 {
3659 struct nlmsghdr *nlh;
3660 int err;
3661
3662 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
3663 NLM_F_REQUEST | NLM_F_ACK);
3664
3665 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3666 if (err)
3667 return err;
3668
3669 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3670 }
3671
3672 static int cmd_sb_occ(struct dl *dl)
3673 {
3674 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3675 cmd_sb_help();
3676 return 0;
3677 } else if (dl_argv_match(dl, "show") ||
3678 dl_argv_match(dl, "list")) {
3679 dl_arg_inc(dl);
3680 return cmd_sb_occ_show(dl);
3681 } else if (dl_argv_match(dl, "snapshot")) {
3682 dl_arg_inc(dl);
3683 return cmd_sb_occ_snapshot(dl);
3684 } else if (dl_argv_match(dl, "clearmax")) {
3685 dl_arg_inc(dl);
3686 return cmd_sb_occ_clearmax(dl);
3687 }
3688 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3689 return -ENOENT;
3690 }
3691
3692 static int cmd_sb(struct dl *dl)
3693 {
3694 if (dl_argv_match(dl, "help")) {
3695 cmd_sb_help();
3696 return 0;
3697 } else if (dl_argv_match(dl, "show") ||
3698 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3699 dl_arg_inc(dl);
3700 return cmd_sb_show(dl);
3701 } else if (dl_argv_match(dl, "pool")) {
3702 dl_arg_inc(dl);
3703 return cmd_sb_pool(dl);
3704 } else if (dl_argv_match(dl, "port")) {
3705 dl_arg_inc(dl);
3706 return cmd_sb_port(dl);
3707 } else if (dl_argv_match(dl, "tc")) {
3708 dl_arg_inc(dl);
3709 return cmd_sb_tc(dl);
3710 } else if (dl_argv_match(dl, "occupancy")) {
3711 dl_arg_inc(dl);
3712 return cmd_sb_occ(dl);
3713 }
3714 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3715 return -ENOENT;
3716 }
3717
3718 static const char *cmd_name(uint8_t cmd)
3719 {
3720 switch (cmd) {
3721 case DEVLINK_CMD_UNSPEC: return "unspec";
3722 case DEVLINK_CMD_GET: return "get";
3723 case DEVLINK_CMD_SET: return "set";
3724 case DEVLINK_CMD_NEW: return "new";
3725 case DEVLINK_CMD_DEL: return "del";
3726 case DEVLINK_CMD_PORT_GET: return "get";
3727 case DEVLINK_CMD_PORT_SET: return "set";
3728 case DEVLINK_CMD_PORT_NEW: return "new";
3729 case DEVLINK_CMD_PORT_DEL: return "del";
3730 case DEVLINK_CMD_PARAM_GET: return "get";
3731 case DEVLINK_CMD_PARAM_SET: return "set";
3732 case DEVLINK_CMD_PARAM_NEW: return "new";
3733 case DEVLINK_CMD_PARAM_DEL: return "del";
3734 case DEVLINK_CMD_REGION_GET: return "get";
3735 case DEVLINK_CMD_REGION_SET: return "set";
3736 case DEVLINK_CMD_REGION_NEW: return "new";
3737 case DEVLINK_CMD_REGION_DEL: return "del";
3738 default: return "<unknown cmd>";
3739 }
3740 }
3741
3742 static const char *cmd_obj(uint8_t cmd)
3743 {
3744 switch (cmd) {
3745 case DEVLINK_CMD_UNSPEC: return "unspec";
3746 case DEVLINK_CMD_GET:
3747 case DEVLINK_CMD_SET:
3748 case DEVLINK_CMD_NEW:
3749 case DEVLINK_CMD_DEL:
3750 return "dev";
3751 case DEVLINK_CMD_PORT_GET:
3752 case DEVLINK_CMD_PORT_SET:
3753 case DEVLINK_CMD_PORT_NEW:
3754 case DEVLINK_CMD_PORT_DEL:
3755 return "port";
3756 case DEVLINK_CMD_PARAM_GET:
3757 case DEVLINK_CMD_PARAM_SET:
3758 case DEVLINK_CMD_PARAM_NEW:
3759 case DEVLINK_CMD_PARAM_DEL:
3760 return "param";
3761 case DEVLINK_CMD_REGION_GET:
3762 case DEVLINK_CMD_REGION_SET:
3763 case DEVLINK_CMD_REGION_NEW:
3764 case DEVLINK_CMD_REGION_DEL:
3765 return "region";
3766 default: return "<unknown obj>";
3767 }
3768 }
3769
3770 static void pr_out_mon_header(uint8_t cmd)
3771 {
3772 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
3773 }
3774
3775 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
3776 {
3777 const char *obj = cmd_obj(cmd);
3778 unsigned int index = 0;
3779 const char *cur_obj;
3780
3781 if (dl_no_arg(dl))
3782 return true;
3783 while ((cur_obj = dl_argv_index(dl, index++))) {
3784 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
3785 return true;
3786 }
3787 return false;
3788 }
3789
3790 static void pr_out_region(struct dl *dl, struct nlattr **tb);
3791
3792 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
3793 {
3794 struct dl *dl = data;
3795 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3796 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3797 uint8_t cmd = genl->cmd;
3798
3799 if (!cmd_filter_check(dl, cmd))
3800 return MNL_CB_OK;
3801
3802 switch (cmd) {
3803 case DEVLINK_CMD_GET: /* fall through */
3804 case DEVLINK_CMD_SET: /* fall through */
3805 case DEVLINK_CMD_NEW: /* fall through */
3806 case DEVLINK_CMD_DEL:
3807 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3808 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
3809 return MNL_CB_ERROR;
3810 pr_out_mon_header(genl->cmd);
3811 pr_out_dev(dl, tb);
3812 break;
3813 case DEVLINK_CMD_PORT_GET: /* fall through */
3814 case DEVLINK_CMD_PORT_SET: /* fall through */
3815 case DEVLINK_CMD_PORT_NEW: /* fall through */
3816 case DEVLINK_CMD_PORT_DEL:
3817 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3818 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3819 !tb[DEVLINK_ATTR_PORT_INDEX])
3820 return MNL_CB_ERROR;
3821 pr_out_mon_header(genl->cmd);
3822 pr_out_port(dl, tb);
3823 break;
3824 case DEVLINK_CMD_PARAM_GET: /* fall through */
3825 case DEVLINK_CMD_PARAM_SET: /* fall through */
3826 case DEVLINK_CMD_PARAM_NEW: /* fall through */
3827 case DEVLINK_CMD_PARAM_DEL:
3828 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3829 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3830 !tb[DEVLINK_ATTR_PARAM])
3831 return MNL_CB_ERROR;
3832 pr_out_mon_header(genl->cmd);
3833 pr_out_param(dl, tb, false);
3834 break;
3835 case DEVLINK_CMD_REGION_GET: /* fall through */
3836 case DEVLINK_CMD_REGION_SET: /* fall through */
3837 case DEVLINK_CMD_REGION_NEW: /* fall through */
3838 case DEVLINK_CMD_REGION_DEL:
3839 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3840 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3841 !tb[DEVLINK_ATTR_REGION_NAME])
3842 return MNL_CB_ERROR;
3843 pr_out_mon_header(genl->cmd);
3844 pr_out_region(dl, tb);
3845 break;
3846 }
3847 return MNL_CB_OK;
3848 }
3849
3850 static int cmd_mon_show(struct dl *dl)
3851 {
3852 int err;
3853 unsigned int index = 0;
3854 const char *cur_obj;
3855
3856 while ((cur_obj = dl_argv_index(dl, index++))) {
3857 if (strcmp(cur_obj, "all") != 0 &&
3858 strcmp(cur_obj, "dev") != 0 &&
3859 strcmp(cur_obj, "port") != 0) {
3860 pr_err("Unknown object \"%s\"\n", cur_obj);
3861 return -EINVAL;
3862 }
3863 }
3864 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
3865 if (err)
3866 return err;
3867 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
3868 if (err)
3869 return err;
3870 return 0;
3871 }
3872
3873 static void cmd_mon_help(void)
3874 {
3875 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
3876 "where OBJECT-LIST := { dev | port }\n");
3877 }
3878
3879 static int cmd_mon(struct dl *dl)
3880 {
3881 if (dl_argv_match(dl, "help")) {
3882 cmd_mon_help();
3883 return 0;
3884 }
3885 return cmd_mon_show(dl);
3886 }
3887
3888 struct dpipe_field {
3889 char *name;
3890 unsigned int id;
3891 unsigned int bitwidth;
3892 enum devlink_dpipe_field_mapping_type mapping_type;
3893 };
3894
3895 struct dpipe_header {
3896 struct list_head list;
3897 char *name;
3898 unsigned int id;
3899 struct dpipe_field *fields;
3900 unsigned int fields_count;
3901 };
3902
3903 struct dpipe_table {
3904 struct list_head list;
3905 char *name;
3906 unsigned int resource_id;
3907 bool resource_valid;
3908 };
3909
3910 struct dpipe_tables {
3911 struct list_head table_list;
3912 };
3913
3914 struct resource {
3915 char *name;
3916 uint64_t size;
3917 uint64_t size_new;
3918 uint64_t size_min;
3919 uint64_t size_max;
3920 uint64_t size_gran;
3921 enum devlink_resource_unit unit;
3922 bool size_valid;
3923 uint64_t size_occ;
3924 bool occ_valid;
3925 uint64_t id;
3926 struct list_head list;
3927 struct list_head resource_list;
3928 struct resource *parent;
3929 };
3930
3931 struct resources {
3932 struct list_head resource_list;
3933 };
3934
3935 struct resource_ctx {
3936 struct dl *dl;
3937 int err;
3938 struct resources *resources;
3939 struct dpipe_tables *tables;
3940 bool print_resources;
3941 bool pending_change;
3942 };
3943
3944 static struct resource *resource_alloc(void)
3945 {
3946 struct resource *resource;
3947
3948 resource = calloc(1, sizeof(struct resource));
3949 if (!resource)
3950 return NULL;
3951 INIT_LIST_HEAD(&resource->resource_list);
3952 return resource;
3953 }
3954
3955 static void resource_free(struct resource *resource)
3956 {
3957 struct resource *child_resource, *tmp;
3958
3959 list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
3960 list) {
3961 free(child_resource->name);
3962 resource_free(child_resource);
3963 }
3964 free(resource);
3965 }
3966
3967 static struct resources *resources_alloc(void)
3968 {
3969 struct resources *resources;
3970
3971 resources = calloc(1, sizeof(struct resources));
3972 if (!resources)
3973 return NULL;
3974 INIT_LIST_HEAD(&resources->resource_list);
3975 return resources;
3976 }
3977
3978 static void resources_free(struct resources *resources)
3979 {
3980 struct resource *resource, *tmp;
3981
3982 list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
3983 resource_free(resource);
3984 }
3985
3986 static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
3987 {
3988 ctx->resources = resources_alloc();
3989 if (!ctx->resources)
3990 return -ENOMEM;
3991 ctx->dl = dl;
3992 return 0;
3993 }
3994
3995 static void resource_ctx_fini(struct resource_ctx *ctx)
3996 {
3997 resources_free(ctx->resources);
3998 }
3999
4000 struct dpipe_ctx {
4001 struct dl *dl;
4002 int err;
4003 struct list_head global_headers;
4004 struct list_head local_headers;
4005 struct dpipe_tables *tables;
4006 struct resources *resources;
4007 bool print_headers;
4008 bool print_tables;
4009 };
4010
4011 static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
4012 {
4013 struct dpipe_header *header;
4014
4015 header = calloc(1, sizeof(struct dpipe_header));
4016 if (!header)
4017 return NULL;
4018 header->fields = calloc(fields_count, sizeof(struct dpipe_field));
4019 if (!header->fields)
4020 goto err_fields_alloc;
4021 header->fields_count = fields_count;
4022 return header;
4023
4024 err_fields_alloc:
4025 free(header);
4026 return NULL;
4027 }
4028
4029 static void dpipe_header_free(struct dpipe_header *header)
4030 {
4031 free(header->fields);
4032 free(header);
4033 }
4034
4035 static void dpipe_header_clear(struct dpipe_header *header)
4036 {
4037 struct dpipe_field *field;
4038 int i;
4039
4040 for (i = 0; i < header->fields_count; i++) {
4041 field = &header->fields[i];
4042 free(field->name);
4043 }
4044 free(header->name);
4045 }
4046
4047 static void dpipe_header_add(struct dpipe_ctx *ctx,
4048 struct dpipe_header *header, bool global)
4049 {
4050 if (global)
4051 list_add(&header->list, &ctx->global_headers);
4052 else
4053 list_add(&header->list, &ctx->local_headers);
4054 }
4055
4056 static void dpipe_header_del(struct dpipe_header *header)
4057 {
4058 list_del(&header->list);
4059 }
4060
4061 static struct dpipe_table *dpipe_table_alloc(void)
4062 {
4063 return calloc(1, sizeof(struct dpipe_table));
4064 }
4065
4066 static void dpipe_table_free(struct dpipe_table *table)
4067 {
4068 free(table);
4069 }
4070
4071 static struct dpipe_tables *dpipe_tables_alloc(void)
4072 {
4073 struct dpipe_tables *tables;
4074
4075 tables = calloc(1, sizeof(struct dpipe_tables));
4076 if (!tables)
4077 return NULL;
4078 INIT_LIST_HEAD(&tables->table_list);
4079 return tables;
4080 }
4081
4082 static void dpipe_tables_free(struct dpipe_tables *tables)
4083 {
4084 struct dpipe_table *table, *tmp;
4085
4086 list_for_each_entry_safe(table, tmp, &tables->table_list, list)
4087 dpipe_table_free(table);
4088 free(tables);
4089 }
4090
4091 static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
4092 {
4093 ctx->tables = dpipe_tables_alloc();
4094 if (!ctx->tables)
4095 return -ENOMEM;
4096
4097 ctx->dl = dl;
4098 INIT_LIST_HEAD(&ctx->global_headers);
4099 INIT_LIST_HEAD(&ctx->local_headers);
4100 return 0;
4101 }
4102
4103 static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
4104 {
4105 struct dpipe_header *header, *tmp;
4106
4107 list_for_each_entry_safe(header, tmp, &ctx->global_headers,
4108 list) {
4109 dpipe_header_del(header);
4110 dpipe_header_clear(header);
4111 dpipe_header_free(header);
4112 }
4113 list_for_each_entry_safe(header, tmp, &ctx->local_headers,
4114 list) {
4115 dpipe_header_del(header);
4116 dpipe_header_clear(header);
4117 dpipe_header_free(header);
4118 }
4119 dpipe_tables_free(ctx->tables);
4120 }
4121
4122 static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
4123 uint32_t header_id, bool global)
4124 {
4125 struct list_head *header_list;
4126 struct dpipe_header *header;
4127
4128 if (global)
4129 header_list = &ctx->global_headers;
4130 else
4131 header_list = &ctx->local_headers;
4132 list_for_each_entry(header, header_list, list) {
4133 if (header->id != header_id)
4134 continue;
4135 return header->name;
4136 }
4137 return NULL;
4138 }
4139
4140 static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
4141 uint32_t header_id,
4142 uint32_t field_id, bool global)
4143 {
4144 struct list_head *header_list;
4145 struct dpipe_header *header;
4146
4147 if (global)
4148 header_list = &ctx->global_headers;
4149 else
4150 header_list = &ctx->local_headers;
4151 list_for_each_entry(header, header_list, list) {
4152 if (header->id != header_id)
4153 continue;
4154 return header->fields[field_id].name;
4155 }
4156 return NULL;
4157 }
4158
4159 static const char *
4160 dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
4161 {
4162 switch (mapping_type) {
4163 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
4164 return NULL;
4165 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
4166 return "ifindex";
4167 default:
4168 return "<unknown>";
4169 }
4170 }
4171
4172 static const char *
4173 dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
4174 uint32_t field_id, bool global)
4175 {
4176 enum devlink_dpipe_field_mapping_type mapping_type;
4177 struct list_head *header_list;
4178 struct dpipe_header *header;
4179
4180 if (global)
4181 header_list = &ctx->global_headers;
4182 else
4183 header_list = &ctx->local_headers;
4184 list_for_each_entry(header, header_list, list) {
4185 if (header->id != header_id)
4186 continue;
4187 mapping_type = header->fields[field_id].mapping_type;
4188 return dpipe_field_mapping_e2s(mapping_type);
4189 }
4190 return NULL;
4191 }
4192
4193 static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
4194 struct dpipe_field *fields,
4195 unsigned int field_count)
4196 {
4197 struct dpipe_field *field;
4198 int i;
4199
4200 for (i = 0; i < field_count; i++) {
4201 field = &fields[i];
4202 pr_out_entry_start(ctx->dl);
4203 pr_out_str(ctx->dl, "name", field->name);
4204 if (ctx->dl->verbose)
4205 pr_out_uint(ctx->dl, "id", field->id);
4206 pr_out_uint(ctx->dl, "bitwidth", field->bitwidth);
4207 if (field->mapping_type)
4208 pr_out_str(ctx->dl, "mapping_type",
4209 dpipe_field_mapping_e2s(field->mapping_type));
4210 pr_out_entry_end(ctx->dl);
4211 }
4212 }
4213
4214 static void
4215 pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
4216 struct dpipe_header *header, bool global)
4217 {
4218 pr_out_handle_start_arr(ctx->dl, tb);
4219 pr_out_str(ctx->dl, "name", header->name);
4220 if (ctx->dl->verbose) {
4221 pr_out_uint(ctx->dl, "id", header->id);
4222 pr_out_str(ctx->dl, "global",
4223 global ? "true" : "false");
4224 }
4225 pr_out_array_start(ctx->dl, "field");
4226 pr_out_dpipe_fields(ctx, header->fields,
4227 header->fields_count);
4228 pr_out_array_end(ctx->dl);
4229 pr_out_handle_end(ctx->dl);
4230 }
4231
4232 static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
4233 struct nlattr **tb)
4234 {
4235 struct dpipe_header *header;
4236
4237 list_for_each_entry(header, &ctx->local_headers, list)
4238 pr_out_dpipe_header(ctx, tb, header, false);
4239
4240 list_for_each_entry(header, &ctx->global_headers, list)
4241 pr_out_dpipe_header(ctx, tb, header, true);
4242 }
4243
4244 static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
4245 {
4246 struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
4247 const char *name;
4248 int err;
4249
4250 err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
4251 if (err != MNL_CB_OK)
4252 return -EINVAL;
4253 if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
4254 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
4255 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
4256 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
4257 return -EINVAL;
4258
4259 name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
4260 field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4261 field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
4262 field->name = strdup(name);
4263 if (!field->name)
4264 return -ENOMEM;
4265 field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
4266 return 0;
4267 }
4268
4269 static int dpipe_header_fields_get(struct nlattr *nla_fields,
4270 struct dpipe_field *fields)
4271 {
4272 struct nlattr *nla_field;
4273 int count = 0;
4274 int err;
4275
4276 mnl_attr_for_each_nested(nla_field, nla_fields) {
4277 err = dpipe_header_field_get(nla_field, &fields[count]);
4278 if (err)
4279 return err;
4280 count++;
4281 }
4282 return 0;
4283 }
4284
4285 static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
4286 {
4287 struct nlattr *nla_field;
4288 unsigned int count = 0;
4289
4290 mnl_attr_for_each_nested(nla_field, nla_fields)
4291 count++;
4292 return count;
4293 }
4294
4295 static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
4296 {
4297 struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
4298 struct dpipe_header *header;
4299 unsigned int fields_count;
4300 const char *header_name;
4301 bool global;
4302 int err;
4303
4304 err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
4305 if (err != MNL_CB_OK)
4306 return -EINVAL;
4307
4308 if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
4309 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4310 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
4311 return -EINVAL;
4312
4313 fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
4314 header = dpipe_header_alloc(fields_count);
4315 if (!header)
4316 return -ENOMEM;
4317
4318 header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
4319 header->name = strdup(header_name);
4320 header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4321 header->fields_count = fields_count;
4322 global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4323
4324 err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
4325 header->fields);
4326 if (err)
4327 goto err_field_get;
4328 dpipe_header_add(ctx, header, global);
4329 return 0;
4330
4331 err_field_get:
4332 dpipe_header_free(header);
4333 return err;
4334 }
4335
4336 static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
4337 {
4338 struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
4339 struct nlattr *nla_header;
4340 int err;
4341
4342 mnl_attr_for_each_nested(nla_header, nla_headers) {
4343 err = dpipe_header_get(ctx, nla_header);
4344 if (err)
4345 return err;
4346 }
4347 return 0;
4348 }
4349
4350 static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
4351 {
4352 struct dpipe_ctx *ctx = data;
4353 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4354 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4355 int err;
4356
4357 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4358 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4359 !tb[DEVLINK_ATTR_DPIPE_HEADERS])
4360 return MNL_CB_ERROR;
4361 err = dpipe_headers_get(ctx, tb);
4362 if (err) {
4363 ctx->err = err;
4364 return MNL_CB_ERROR;
4365 }
4366
4367 if (ctx->print_headers)
4368 pr_out_dpipe_headers(ctx, tb);
4369 return MNL_CB_OK;
4370 }
4371
4372 static int cmd_dpipe_headers_show(struct dl *dl)
4373 {
4374 struct nlmsghdr *nlh;
4375 struct dpipe_ctx ctx = {};
4376 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
4377 int err;
4378
4379 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4380
4381 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
4382 if (err)
4383 return err;
4384
4385 err = dpipe_ctx_init(&ctx, dl);
4386 if (err)
4387 return err;
4388
4389 ctx.print_headers = true;
4390
4391 pr_out_section_start(dl, "header");
4392 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
4393 if (err)
4394 pr_err("error get headers %s\n", strerror(ctx.err));
4395 pr_out_section_end(dl);
4396
4397 dpipe_ctx_fini(&ctx);
4398 return err;
4399 }
4400
4401 static void cmd_dpipe_header_help(void)
4402 {
4403 pr_err("Usage: devlink dpipe headers show DEV\n");
4404 }
4405
4406 static int cmd_dpipe_header(struct dl *dl)
4407 {
4408 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4409 cmd_dpipe_header_help();
4410 return 0;
4411 } else if (dl_argv_match(dl, "show")) {
4412 dl_arg_inc(dl);
4413 return cmd_dpipe_headers_show(dl);
4414 }
4415 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4416 return -ENOENT;
4417 }
4418
4419 static const char
4420 *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
4421 {
4422 switch (action_type) {
4423 case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
4424 return "field_modify";
4425 default:
4426 return "<unknown>";
4427 }
4428 }
4429
4430 struct dpipe_op_info {
4431 uint32_t header_id;
4432 uint32_t field_id;
4433 bool header_global;
4434 };
4435
4436 struct dpipe_action {
4437 struct dpipe_op_info info;
4438 uint32_t type;
4439 };
4440
4441 static void pr_out_dpipe_action(struct dpipe_action *action,
4442 struct dpipe_ctx *ctx)
4443 {
4444 struct dpipe_op_info *op_info = &action->info;
4445 const char *mapping;
4446
4447 pr_out_str(ctx->dl, "type",
4448 dpipe_action_type_e2s(action->type));
4449 pr_out_str(ctx->dl, "header",
4450 dpipe_header_id2s(ctx, op_info->header_id,
4451 op_info->header_global));
4452 pr_out_str(ctx->dl, "field",
4453 dpipe_field_id2s(ctx, op_info->header_id,
4454 op_info->field_id,
4455 op_info->header_global));
4456 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4457 op_info->field_id,
4458 op_info->header_global);
4459 if (mapping)
4460 pr_out_str(ctx->dl, "mapping", mapping);
4461 }
4462
4463 static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
4464 {
4465 struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
4466 int err;
4467
4468 err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
4469 if (err != MNL_CB_OK)
4470 return -EINVAL;
4471
4472 if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
4473 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4474 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4475 !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4476 return -EINVAL;
4477 }
4478
4479 action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
4480 action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4481 action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4482 action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4483
4484 return 0;
4485 }
4486
4487 static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
4488 struct nlattr *nla_actions)
4489 {
4490 struct nlattr *nla_action;
4491 struct dpipe_action action;
4492
4493 mnl_attr_for_each_nested(nla_action, nla_actions) {
4494 pr_out_entry_start(ctx->dl);
4495 if (dpipe_action_parse(&action, nla_action))
4496 goto err_action_parse;
4497 pr_out_dpipe_action(&action, ctx);
4498 pr_out_entry_end(ctx->dl);
4499 }
4500 return 0;
4501
4502 err_action_parse:
4503 pr_out_entry_end(ctx->dl);
4504 return -EINVAL;
4505 }
4506
4507 static const char *
4508 dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
4509 {
4510 switch (match_type) {
4511 case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
4512 return "field_exact";
4513 default:
4514 return "<unknown>";
4515 }
4516 }
4517
4518 struct dpipe_match {
4519 struct dpipe_op_info info;
4520 uint32_t type;
4521 };
4522
4523 static void pr_out_dpipe_match(struct dpipe_match *match,
4524 struct dpipe_ctx *ctx)
4525 {
4526 struct dpipe_op_info *op_info = &match->info;
4527 const char *mapping;
4528
4529 pr_out_str(ctx->dl, "type",
4530 dpipe_match_type_e2s(match->type));
4531 pr_out_str(ctx->dl, "header",
4532 dpipe_header_id2s(ctx, op_info->header_id,
4533 op_info->header_global));
4534 pr_out_str(ctx->dl, "field",
4535 dpipe_field_id2s(ctx, op_info->header_id,
4536 op_info->field_id,
4537 op_info->header_global));
4538 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4539 op_info->field_id,
4540 op_info->header_global);
4541 if (mapping)
4542 pr_out_str(ctx->dl, "mapping", mapping);
4543 }
4544
4545 static int dpipe_match_parse(struct dpipe_match *match,
4546 struct nlattr *nl)
4547
4548 {
4549 struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
4550 int err;
4551
4552 err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
4553 if (err != MNL_CB_OK)
4554 return -EINVAL;
4555
4556 if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
4557 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4558 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4559 !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4560 return -EINVAL;
4561 }
4562
4563 match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
4564 match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4565 match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4566 match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4567
4568 return 0;
4569 }
4570
4571 static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
4572 struct nlattr *nla_matches)
4573 {
4574 struct nlattr *nla_match;
4575 struct dpipe_match match;
4576
4577 mnl_attr_for_each_nested(nla_match, nla_matches) {
4578 pr_out_entry_start(ctx->dl);
4579 if (dpipe_match_parse(&match, nla_match))
4580 goto err_match_parse;
4581 pr_out_dpipe_match(&match, ctx);
4582 pr_out_entry_end(ctx->dl);
4583 }
4584 return 0;
4585
4586 err_match_parse:
4587 pr_out_entry_end(ctx->dl);
4588 return -EINVAL;
4589 }
4590
4591 static struct resource *
4592 resource_find(struct resources *resources, struct resource *resource,
4593 uint64_t resource_id)
4594 {
4595 struct list_head *list_head;
4596
4597 if (!resource)
4598 list_head = &resources->resource_list;
4599 else
4600 list_head = &resource->resource_list;
4601
4602 list_for_each_entry(resource, list_head, list) {
4603 struct resource *child_resource;
4604
4605 if (resource->id == resource_id)
4606 return resource;
4607
4608 child_resource = resource_find(resources, resource,
4609 resource_id);
4610 if (child_resource)
4611 return child_resource;
4612 }
4613 return NULL;
4614 }
4615
4616 static void
4617 resource_path_print(struct dl *dl, struct resources *resources,
4618 uint64_t resource_id)
4619 {
4620 struct resource *resource, *parent_resource;
4621 const char del[] = "/";
4622 int path_len = 0;
4623 char *path;
4624
4625 resource = resource_find(resources, NULL, resource_id);
4626 if (!resource)
4627 return;
4628
4629 for (parent_resource = resource; parent_resource;
4630 parent_resource = parent_resource->parent)
4631 path_len += strlen(parent_resource->name) + 1;
4632
4633 path_len++;
4634 path = calloc(1, path_len);
4635 if (!path)
4636 return;
4637
4638 path += path_len - 1;
4639 for (parent_resource = resource; parent_resource;
4640 parent_resource = parent_resource->parent) {
4641 path -= strlen(parent_resource->name);
4642 memcpy(path, parent_resource->name,
4643 strlen(parent_resource->name));
4644 path -= strlen(del);
4645 memcpy(path, del, strlen(del));
4646 }
4647 pr_out_str(dl, "resource_path", path);
4648 free(path);
4649 }
4650
4651 static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
4652 {
4653 struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
4654 struct dpipe_table *table;
4655 uint32_t resource_units;
4656 bool counters_enabled;
4657 bool resource_valid;
4658 uint32_t size;
4659 int err;
4660
4661 err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
4662 if (err != MNL_CB_OK)
4663 return -EINVAL;
4664
4665 if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
4666 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
4667 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
4668 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
4669 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
4670 return -EINVAL;
4671 }
4672
4673 table = dpipe_table_alloc();
4674 if (!table)
4675 return -ENOMEM;
4676
4677 table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
4678 size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
4679 counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
4680
4681 resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
4682 ctx->resources;
4683 if (resource_valid) {
4684 table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
4685 table->resource_valid = true;
4686 }
4687
4688 list_add_tail(&table->list, &ctx->tables->table_list);
4689 if (!ctx->print_tables)
4690 return 0;
4691
4692 pr_out_str(ctx->dl, "name", table->name);
4693 pr_out_uint(ctx->dl, "size", size);
4694 pr_out_str(ctx->dl, "counters_enabled",
4695 counters_enabled ? "true" : "false");
4696
4697 if (resource_valid) {
4698 resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
4699 resource_path_print(ctx->dl, ctx->resources,
4700 table->resource_id);
4701 pr_out_uint(ctx->dl, "resource_units", resource_units);
4702 }
4703
4704 pr_out_array_start(ctx->dl, "match");
4705 if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
4706 goto err_matches_show;
4707 pr_out_array_end(ctx->dl);
4708
4709 pr_out_array_start(ctx->dl, "action");
4710 if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
4711 goto err_actions_show;
4712 pr_out_array_end(ctx->dl);
4713
4714 return 0;
4715
4716 err_actions_show:
4717 err_matches_show:
4718 pr_out_array_end(ctx->dl);
4719 return -EINVAL;
4720 }
4721
4722 static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
4723 {
4724 struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
4725 struct nlattr *nla_table;
4726
4727 mnl_attr_for_each_nested(nla_table, nla_tables) {
4728 if (ctx->print_tables)
4729 pr_out_handle_start_arr(ctx->dl, tb);
4730 if (dpipe_table_show(ctx, nla_table))
4731 goto err_table_show;
4732 if (ctx->print_tables)
4733 pr_out_handle_end(ctx->dl);
4734 }
4735 return 0;
4736
4737 err_table_show:
4738 if (ctx->print_tables)
4739 pr_out_handle_end(ctx->dl);
4740 return -EINVAL;
4741 }
4742
4743 static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
4744 {
4745 struct dpipe_ctx *ctx = data;
4746 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4747 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4748
4749 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4750 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4751 !tb[DEVLINK_ATTR_DPIPE_TABLES])
4752 return MNL_CB_ERROR;
4753
4754 if (dpipe_tables_show(ctx, tb))
4755 return MNL_CB_ERROR;
4756 return MNL_CB_OK;
4757 }
4758
4759 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
4760
4761 static int cmd_dpipe_table_show(struct dl *dl)
4762 {
4763 struct nlmsghdr *nlh;
4764 struct dpipe_ctx dpipe_ctx = {};
4765 struct resource_ctx resource_ctx = {};
4766 uint16_t flags = NLM_F_REQUEST;
4767 int err;
4768
4769 err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
4770 if (err)
4771 return err;
4772
4773 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4774
4775 err = dpipe_ctx_init(&dpipe_ctx, dl);
4776 if (err)
4777 return err;
4778
4779 dpipe_ctx.print_tables = true;
4780
4781 dl_opts_put(nlh, dl);
4782 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
4783 &dpipe_ctx);
4784 if (err) {
4785 pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
4786 goto err_headers_get;
4787 }
4788
4789 err = resource_ctx_init(&resource_ctx, dl);
4790 if (err)
4791 goto err_resource_ctx_init;
4792
4793 resource_ctx.print_resources = false;
4794 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
4795 dl_opts_put(nlh, dl);
4796 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
4797 &resource_ctx);
4798 if (!err)
4799 dpipe_ctx.resources = resource_ctx.resources;
4800
4801 flags = NLM_F_REQUEST | NLM_F_ACK;
4802 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
4803 dl_opts_put(nlh, dl);
4804
4805 pr_out_section_start(dl, "table");
4806 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
4807 pr_out_section_end(dl);
4808
4809 resource_ctx_fini(&resource_ctx);
4810 dpipe_ctx_fini(&dpipe_ctx);
4811 return 0;
4812
4813 err_resource_ctx_init:
4814 err_headers_get:
4815 dpipe_ctx_fini(&dpipe_ctx);
4816 return err;
4817 }
4818
4819 static int cmd_dpipe_table_set(struct dl *dl)
4820 {
4821 struct nlmsghdr *nlh;
4822 int err;
4823
4824 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
4825 NLM_F_REQUEST | NLM_F_ACK);
4826
4827 err = dl_argv_parse_put(nlh, dl,
4828 DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
4829 DL_OPT_DPIPE_TABLE_COUNTERS, 0);
4830 if (err)
4831 return err;
4832
4833 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4834 }
4835
4836 enum dpipe_value_type {
4837 DPIPE_VALUE_TYPE_VALUE,
4838 DPIPE_VALUE_TYPE_MASK,
4839 };
4840
4841 static const char *
4842 dpipe_value_type_e2s(enum dpipe_value_type type)
4843 {
4844 switch (type) {
4845 case DPIPE_VALUE_TYPE_VALUE:
4846 return "value";
4847 case DPIPE_VALUE_TYPE_MASK:
4848 return "value_mask";
4849 default:
4850 return "<unknown>";
4851 }
4852 }
4853
4854 struct dpipe_field_printer {
4855 unsigned int field_id;
4856 void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
4857 };
4858
4859 struct dpipe_header_printer {
4860 struct dpipe_field_printer *printers;
4861 unsigned int printers_count;
4862 unsigned int header_id;
4863 };
4864
4865 static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
4866 enum dpipe_value_type type,
4867 void *value)
4868 {
4869 struct in_addr ip_addr;
4870
4871 ip_addr.s_addr = htonl(*(uint32_t *)value);
4872 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
4873 }
4874
4875 static void
4876 dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
4877 enum dpipe_value_type type,
4878 void *value)
4879 {
4880 pr_out_str(ctx->dl, dpipe_value_type_e2s(type),
4881 ether_ntoa((struct ether_addr *)value));
4882 }
4883
4884 static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
4885 enum dpipe_value_type type,
4886 void *value)
4887 {
4888 char str[INET6_ADDRSTRLEN];
4889
4890 inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
4891 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), str);
4892 }
4893
4894 static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
4895 {
4896 .printer = dpipe_field_printer_ipv4_addr,
4897 .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
4898 }
4899 };
4900
4901 static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
4902 .printers = dpipe_field_printers_ipv4,
4903 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
4904 .header_id = DEVLINK_DPIPE_HEADER_IPV4,
4905 };
4906
4907 static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
4908 {
4909 .printer = dpipe_field_printer_ethernet_addr,
4910 .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
4911 },
4912 };
4913
4914 static struct dpipe_header_printer dpipe_header_printer_ethernet = {
4915 .printers = dpipe_field_printers_ethernet,
4916 .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
4917 .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
4918 };
4919
4920 static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
4921 {
4922 .printer = dpipe_field_printer_ipv6_addr,
4923 .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
4924 }
4925 };
4926
4927 static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
4928 .printers = dpipe_field_printers_ipv6,
4929 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
4930 .header_id = DEVLINK_DPIPE_HEADER_IPV6,
4931 };
4932
4933 static struct dpipe_header_printer *dpipe_header_printers[] = {
4934 &dpipe_header_printer_ipv4,
4935 &dpipe_header_printer_ethernet,
4936 &dpipe_header_printer_ipv6,
4937 };
4938
4939 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
4940 struct dpipe_op_info *info,
4941 enum dpipe_value_type type,
4942 void *value)
4943 {
4944 unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
4945 struct dpipe_header_printer *header_printer;
4946 struct dpipe_field_printer *field_printer;
4947 unsigned int field_printers_count;
4948 int j;
4949 int i;
4950
4951 for (i = 0; i < header_printers_count; i++) {
4952 header_printer = dpipe_header_printers[i];
4953 if (header_printer->header_id != info->header_id)
4954 continue;
4955 field_printers_count = header_printer->printers_count;
4956 for (j = 0; j < field_printers_count; j++) {
4957 field_printer = &header_printer->printers[j];
4958 if (field_printer->field_id != info->field_id)
4959 continue;
4960 field_printer->printer(ctx, type, value);
4961 return 0;
4962 }
4963 }
4964
4965 return -EINVAL;
4966 }
4967
4968 static void __pr_out_entry_value(struct dpipe_ctx *ctx,
4969 void *value,
4970 unsigned int value_len,
4971 struct dpipe_op_info *info,
4972 enum dpipe_value_type type)
4973 {
4974 if (info->header_global &&
4975 !dpipe_print_prot_header(ctx, info, type, value))
4976 return;
4977
4978 if (value_len == sizeof(uint32_t)) {
4979 uint32_t *value_32 = value;
4980
4981 pr_out_uint(ctx->dl, dpipe_value_type_e2s(type), *value_32);
4982 }
4983 }
4984
4985 static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
4986 struct nlattr **nla_match_value,
4987 struct dpipe_op_info *info)
4988 {
4989 void *value, *value_mask;
4990 uint32_t value_mapping;
4991 uint16_t value_len;
4992 bool mask, mapping;
4993
4994 mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
4995 mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
4996
4997 value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
4998 value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
4999
5000 if (mapping) {
5001 value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
5002 pr_out_uint(ctx->dl, "mapping_value", value_mapping);
5003 }
5004
5005 if (mask) {
5006 value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5007 __pr_out_entry_value(ctx, value_mask, value_len, info,
5008 DPIPE_VALUE_TYPE_MASK);
5009 }
5010
5011 __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
5012 }
5013
5014 static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
5015 struct nlattr *nl)
5016 {
5017 struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
5018 struct dpipe_match match;
5019 int err;
5020
5021 err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
5022 if (err != MNL_CB_OK)
5023 return -EINVAL;
5024
5025 if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
5026 !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5027 return -EINVAL;
5028 }
5029
5030 pr_out_entry_start(ctx->dl);
5031 if (dpipe_match_parse(&match,
5032 nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
5033 goto err_match_parse;
5034 pr_out_dpipe_match(&match, ctx);
5035 pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
5036 pr_out_entry_end(ctx->dl);
5037
5038 return 0;
5039
5040 err_match_parse:
5041 pr_out_entry_end(ctx->dl);
5042 return -EINVAL;
5043 }
5044
5045 static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
5046 struct nlattr *nl)
5047 {
5048 struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
5049 struct dpipe_action action;
5050 int err;
5051
5052 err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
5053 if (err != MNL_CB_OK)
5054 return -EINVAL;
5055
5056 if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
5057 !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5058 return -EINVAL;
5059 }
5060
5061 pr_out_entry_start(ctx->dl);
5062 if (dpipe_action_parse(&action,
5063 nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
5064 goto err_action_parse;
5065 pr_out_dpipe_action(&action, ctx);
5066 pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
5067 pr_out_entry_end(ctx->dl);
5068
5069 return 0;
5070
5071 err_action_parse:
5072 pr_out_entry_end(ctx->dl);
5073 return -EINVAL;
5074 }
5075
5076 static int
5077 dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
5078 struct nlattr *nla_action_values)
5079 {
5080 struct nlattr *nla_action_value;
5081
5082 mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
5083 if (dpipe_entry_action_value_show(ctx, nla_action_value))
5084 return -EINVAL;
5085 }
5086 return 0;
5087 }
5088
5089 static int
5090 dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
5091 struct nlattr *nla_match_values)
5092 {
5093 struct nlattr *nla_match_value;
5094
5095 mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
5096 if (dpipe_entry_match_value_show(ctx, nla_match_value))
5097 return -EINVAL;
5098 }
5099 return 0;
5100 }
5101
5102 static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5103 {
5104 struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
5105 uint32_t entry_index;
5106 uint64_t counter;
5107 int err;
5108
5109 err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
5110 if (err != MNL_CB_OK)
5111 return -EINVAL;
5112
5113 if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
5114 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
5115 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
5116 return -EINVAL;
5117 }
5118
5119 entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
5120 pr_out_uint(ctx->dl, "index", entry_index);
5121
5122 if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
5123 counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
5124 pr_out_uint(ctx->dl, "counter", counter);
5125 }
5126
5127 pr_out_array_start(ctx->dl, "match_value");
5128 if (dpipe_tables_match_values_show(ctx,
5129 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
5130 goto err_match_values_show;
5131 pr_out_array_end(ctx->dl);
5132
5133 pr_out_array_start(ctx->dl, "action_value");
5134 if (dpipe_tables_action_values_show(ctx,
5135 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
5136 goto err_action_values_show;
5137 pr_out_array_end(ctx->dl);
5138 return 0;
5139
5140 err_action_values_show:
5141 err_match_values_show:
5142 pr_out_array_end(ctx->dl);
5143 return -EINVAL;
5144 }
5145
5146 static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5147 {
5148 struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
5149 struct nlattr *nla_entry;
5150
5151 mnl_attr_for_each_nested(nla_entry, nla_entries) {
5152 pr_out_handle_start_arr(ctx->dl, tb);
5153 if (dpipe_entry_show(ctx, nla_entry))
5154 goto err_entry_show;
5155 pr_out_handle_end(ctx->dl);
5156 }
5157 return 0;
5158
5159 err_entry_show:
5160 pr_out_handle_end(ctx->dl);
5161 return -EINVAL;
5162 }
5163
5164 static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
5165 {
5166 struct dpipe_ctx *ctx = data;
5167 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5168 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5169
5170 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5171 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5172 !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
5173 return MNL_CB_ERROR;
5174
5175 if (dpipe_table_entries_show(ctx, tb))
5176 return MNL_CB_ERROR;
5177 return MNL_CB_OK;
5178 }
5179
5180 static int cmd_dpipe_table_dump(struct dl *dl)
5181 {
5182 struct nlmsghdr *nlh;
5183 struct dpipe_ctx ctx = {};
5184 uint16_t flags = NLM_F_REQUEST;
5185 int err;
5186
5187 err = dpipe_ctx_init(&ctx, dl);
5188 if (err)
5189 return err;
5190
5191 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
5192 if (err)
5193 goto out;
5194
5195 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5196 dl_opts_put(nlh, dl);
5197 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
5198 if (err) {
5199 pr_err("error get headers %s\n", strerror(ctx.err));
5200 goto out;
5201 }
5202
5203 flags = NLM_F_REQUEST | NLM_F_ACK;
5204 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
5205 dl_opts_put(nlh, dl);
5206
5207 pr_out_section_start(dl, "table_entry");
5208 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
5209 pr_out_section_end(dl);
5210 out:
5211 dpipe_ctx_fini(&ctx);
5212 return err;
5213 }
5214
5215 static void cmd_dpipe_table_help(void)
5216 {
5217 pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
5218 "where OBJECT-LIST := { show | set | dump }\n");
5219 }
5220
5221 static int cmd_dpipe_table(struct dl *dl)
5222 {
5223 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5224 cmd_dpipe_table_help();
5225 return 0;
5226 } else if (dl_argv_match(dl, "show")) {
5227 dl_arg_inc(dl);
5228 return cmd_dpipe_table_show(dl);
5229 } else if (dl_argv_match(dl, "set")) {
5230 dl_arg_inc(dl);
5231 return cmd_dpipe_table_set(dl);
5232 } else if (dl_argv_match(dl, "dump")) {
5233 dl_arg_inc(dl);
5234 return cmd_dpipe_table_dump(dl);
5235 }
5236 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5237 return -ENOENT;
5238 }
5239
5240 static void cmd_dpipe_help(void)
5241 {
5242 pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
5243 "where OBJECT-LIST := { header | table }\n");
5244 }
5245
5246 static int cmd_dpipe(struct dl *dl)
5247 {
5248 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5249 cmd_dpipe_help();
5250 return 0;
5251 } else if (dl_argv_match(dl, "header")) {
5252 dl_arg_inc(dl);
5253 return cmd_dpipe_header(dl);
5254 } else if (dl_argv_match(dl, "table")) {
5255 dl_arg_inc(dl);
5256 return cmd_dpipe_table(dl);
5257 }
5258 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5259 return -ENOENT;
5260 }
5261
5262 static int
5263 resource_parse(struct resource_ctx *ctx, struct resource *resource,
5264 struct nlattr **nla_resource)
5265 {
5266 if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
5267 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
5268 !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
5269 !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
5270 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
5271 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
5272 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
5273 return -EINVAL;
5274 }
5275
5276 resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
5277 resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
5278 resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
5279 resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
5280 resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
5281 resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
5282 resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
5283
5284 if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
5285 resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
5286 else
5287 resource->size_new = resource->size;
5288
5289 if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
5290 resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
5291 resource->occ_valid = true;
5292 }
5293
5294 if (resource->size_new != resource->size)
5295 ctx->pending_change = true;
5296
5297 return 0;
5298 }
5299
5300 static int
5301 resource_get(struct resource_ctx *ctx, struct resource *resource,
5302 struct resource *parent_resource, struct nlattr *nl)
5303 {
5304 struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
5305 struct nlattr *nla_child_resource;
5306 struct nlattr *nla_resources;
5307 bool top = false;
5308 int err;
5309
5310 if (!resource) {
5311 nla_resources = nl;
5312 top = true;
5313 goto out;
5314 }
5315
5316 err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
5317 if (err != MNL_CB_OK)
5318 return -EINVAL;
5319
5320 err = resource_parse(ctx, resource, nla_resource);
5321 if (err)
5322 return err;
5323
5324 resource->parent = parent_resource;
5325 if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
5326 return 0;
5327
5328 resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
5329 nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
5330 out:
5331 mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
5332 struct resource *child_resource;
5333 struct list_head *list;
5334
5335 child_resource = resource_alloc();
5336 if (!child_resource)
5337 return -ENOMEM;
5338
5339 if (top)
5340 list = &ctx->resources->resource_list;
5341 else
5342 list = &resource->resource_list;
5343
5344 list_add_tail(&child_resource->list, list);
5345 err = resource_get(ctx, child_resource, resource,
5346 nla_child_resource);
5347 if (err)
5348 return err;
5349 }
5350
5351 return 0;
5352 }
5353
5354 static const char *resource_unit_str_get(enum devlink_resource_unit unit)
5355 {
5356 switch (unit) {
5357 case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
5358 default: return "<unknown unit>";
5359 }
5360 }
5361
5362 static void resource_show(struct resource *resource,
5363 struct resource_ctx *ctx)
5364 {
5365 struct resource *child_resource;
5366 struct dpipe_table *table;
5367 struct dl *dl = ctx->dl;
5368 bool array = false;
5369
5370 pr_out_str(dl, "name", resource->name);
5371 if (dl->verbose)
5372 resource_path_print(dl, ctx->resources, resource->id);
5373 pr_out_u64(dl, "size", resource->size);
5374 if (resource->size != resource->size_new)
5375 pr_out_u64(dl, "size_new", resource->size_new);
5376 if (resource->occ_valid)
5377 pr_out_uint(dl, "occ", resource->size_occ);
5378 pr_out_str(dl, "unit", resource_unit_str_get(resource->unit));
5379
5380 if (resource->size_min != resource->size_max) {
5381 pr_out_uint(dl, "size_min", resource->size_min);
5382 pr_out_u64(dl, "size_max", resource->size_max);
5383 pr_out_uint(dl, "size_gran", resource->size_gran);
5384 }
5385
5386 list_for_each_entry(table, &ctx->tables->table_list, list)
5387 if (table->resource_id == resource->id &&
5388 table->resource_valid)
5389 array = true;
5390
5391 if (array)
5392 pr_out_array_start(dl, "dpipe_tables");
5393 else
5394 pr_out_str(dl, "dpipe_tables", "none");
5395
5396 list_for_each_entry(table, &ctx->tables->table_list, list) {
5397 if (table->resource_id != resource->id ||
5398 !table->resource_valid)
5399 continue;
5400 pr_out_entry_start(dl);
5401 pr_out_str(dl, "table_name", table->name);
5402 pr_out_entry_end(dl);
5403 }
5404 if (array)
5405 pr_out_array_end(dl);
5406
5407 if (list_empty(&resource->resource_list))
5408 return;
5409
5410 if (ctx->pending_change)
5411 pr_out_str(dl, "size_valid", resource->size_valid ?
5412 "true" : "false");
5413 pr_out_array_start(dl, "resources");
5414 list_for_each_entry(child_resource, &resource->resource_list, list) {
5415 pr_out_entry_start(dl);
5416 resource_show(child_resource, ctx);
5417 pr_out_entry_end(dl);
5418 }
5419 pr_out_array_end(dl);
5420 }
5421
5422 static void
5423 resources_show(struct resource_ctx *ctx, struct nlattr **tb)
5424 {
5425 struct resources *resources = ctx->resources;
5426 struct resource *resource;
5427
5428 list_for_each_entry(resource, &resources->resource_list, list) {
5429 pr_out_handle_start_arr(ctx->dl, tb);
5430 resource_show(resource, ctx);
5431 pr_out_handle_end(ctx->dl);
5432 }
5433 }
5434
5435 static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
5436 {
5437 return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
5438 }
5439
5440 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
5441 {
5442 struct resource_ctx *ctx = data;
5443 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5444 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5445 int err;
5446
5447 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5448 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5449 !tb[DEVLINK_ATTR_RESOURCE_LIST])
5450 return MNL_CB_ERROR;
5451
5452 err = resources_get(ctx, tb);
5453 if (err) {
5454 ctx->err = err;
5455 return MNL_CB_ERROR;
5456 }
5457
5458 if (ctx->print_resources)
5459 resources_show(ctx, tb);
5460
5461 return MNL_CB_OK;
5462 }
5463
5464 static int cmd_resource_show(struct dl *dl)
5465 {
5466 struct nlmsghdr *nlh;
5467 struct dpipe_ctx dpipe_ctx = {};
5468 struct resource_ctx resource_ctx = {};
5469 int err;
5470
5471 err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
5472 if (err)
5473 return err;
5474
5475 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
5476 NLM_F_REQUEST);
5477 dl_opts_put(nlh, dl);
5478
5479 err = dpipe_ctx_init(&dpipe_ctx, dl);
5480 if (err)
5481 return err;
5482
5483 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
5484 &dpipe_ctx);
5485 if (err) {
5486 pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
5487 goto out;
5488 }
5489
5490 err = resource_ctx_init(&resource_ctx, dl);
5491 if (err)
5492 goto out;
5493
5494 resource_ctx.print_resources = true;
5495 resource_ctx.tables = dpipe_ctx.tables;
5496 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5497 NLM_F_REQUEST | NLM_F_ACK);
5498 dl_opts_put(nlh, dl);
5499 pr_out_section_start(dl, "resources");
5500 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
5501 &resource_ctx);
5502 pr_out_section_end(dl);
5503 resource_ctx_fini(&resource_ctx);
5504 out:
5505 dpipe_ctx_fini(&dpipe_ctx);
5506 return err;
5507 }
5508
5509 static void cmd_resource_help(void)
5510 {
5511 pr_err("Usage: devlink resource show DEV\n"
5512 " devlink resource set DEV path PATH size SIZE\n");
5513 }
5514
5515 static struct resource *
5516 resource_find_by_name(struct list_head *list, char *name)
5517 {
5518 struct resource *resource;
5519
5520 list_for_each_entry(resource, list, list) {
5521 if (!strcmp(resource->name, name))
5522 return resource;
5523 }
5524 return NULL;
5525 }
5526
5527 static int
5528 resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
5529 uint32_t *p_resource_id, bool *p_resource_valid)
5530 {
5531 struct resource *resource;
5532 uint32_t resource_id = 0;
5533 char *resource_path_dup;
5534 struct list_head *list;
5535 const char del[] = "/";
5536 char *resource_name;
5537
5538 resource_path_dup = strdup(resource_path);
5539 list = &ctx->resources->resource_list;
5540 resource_name = strtok(resource_path_dup, del);
5541 while (resource_name != NULL) {
5542 resource = resource_find_by_name(list, resource_name);
5543 if (!resource)
5544 goto err_resource_lookup;
5545
5546 list = &resource->resource_list;
5547 resource_name = strtok(NULL, del);
5548 resource_id = resource->id;
5549 }
5550 free(resource_path_dup);
5551 *p_resource_valid = true;
5552 *p_resource_id = resource_id;
5553 return 0;
5554
5555 err_resource_lookup:
5556 free(resource_path_dup);
5557 return -EINVAL;
5558 }
5559
5560 static int cmd_resource_set(struct dl *dl)
5561 {
5562 struct nlmsghdr *nlh;
5563 struct resource_ctx ctx = {};
5564 int err;
5565
5566 err = resource_ctx_init(&ctx, dl);
5567 if (err)
5568 return err;
5569
5570 ctx.print_resources = false;
5571 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
5572 DL_OPT_RESOURCE_SIZE, 0);
5573 if (err)
5574 goto out;
5575
5576 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5577 NLM_F_REQUEST);
5578 dl_opts_put(nlh, dl);
5579 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
5580 if (err) {
5581 pr_err("error getting resources %s\n", strerror(ctx.err));
5582 goto out;
5583 }
5584
5585 err = resource_path_parse(&ctx, dl->opts.resource_path,
5586 &dl->opts.resource_id,
5587 &dl->opts.resource_id_valid);
5588 if (err) {
5589 pr_err("error parsing resource path %s\n", strerror(-err));
5590 goto out;
5591 }
5592
5593 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
5594 NLM_F_REQUEST | NLM_F_ACK);
5595
5596 dl_opts_put(nlh, dl);
5597 err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5598 out:
5599 resource_ctx_fini(&ctx);
5600 return err;
5601 }
5602
5603 static int cmd_resource(struct dl *dl)
5604 {
5605 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5606 cmd_resource_help();
5607 return 0;
5608 } else if (dl_argv_match(dl, "show")) {
5609 dl_arg_inc(dl);
5610 return cmd_resource_show(dl);
5611 } else if (dl_argv_match(dl, "set")) {
5612 dl_arg_inc(dl);
5613 return cmd_resource_set(dl);
5614 }
5615 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5616 return -ENOENT;
5617 }
5618
5619 static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
5620 {
5621 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
5622 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
5623 const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
5624 char buf[256];
5625
5626 sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
5627 if (dl->json_output) {
5628 jsonw_name(dl->jw, buf);
5629 jsonw_start_object(dl->jw);
5630 } else {
5631 pr_out("%s:", buf);
5632 }
5633 }
5634
5635 static void pr_out_region_handle_end(struct dl *dl)
5636 {
5637 if (dl->json_output)
5638 jsonw_end_object(dl->jw);
5639 else
5640 pr_out("\n");
5641 }
5642
5643 static void pr_out_region_snapshots_start(struct dl *dl, bool array)
5644 {
5645 if (dl->json_output) {
5646 jsonw_name(dl->jw, "snapshot");
5647 jsonw_start_array(dl->jw);
5648 } else {
5649 if (g_indent_newline)
5650 pr_out("snapshot %s", array ? "[" : "");
5651 else
5652 pr_out(" snapshot %s", array ? "[" : "");
5653 }
5654 }
5655
5656 static void pr_out_region_snapshots_end(struct dl *dl, bool array)
5657 {
5658 if (dl->json_output)
5659 jsonw_end_array(dl->jw);
5660 else if (array)
5661 pr_out("]");
5662 }
5663
5664 static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
5665 {
5666 uint32_t snapshot_id;
5667
5668 if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5669 return;
5670
5671 snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
5672
5673 if (dl->json_output)
5674 jsonw_uint(dl->jw, snapshot_id);
5675 else
5676 pr_out("%s%u", index ? " " : "", snapshot_id);
5677 }
5678
5679 static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
5680 {
5681 struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
5682 struct nlattr *nla_sanpshot;
5683 int err, index = 0;
5684
5685 pr_out_region_snapshots_start(dl, true);
5686 mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
5687 err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
5688 if (err != MNL_CB_OK)
5689 return;
5690 pr_out_region_snapshots_id(dl, tb_snapshot, index++);
5691 }
5692 pr_out_region_snapshots_end(dl, true);
5693 }
5694
5695 static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
5696 {
5697 pr_out_region_snapshots_start(dl, false);
5698 pr_out_region_snapshots_id(dl, tb, 0);
5699 pr_out_region_snapshots_end(dl, false);
5700 }
5701
5702 static void pr_out_region(struct dl *dl, struct nlattr **tb)
5703 {
5704 pr_out_region_handle_start(dl, tb);
5705
5706 if (tb[DEVLINK_ATTR_REGION_SIZE])
5707 pr_out_u64(dl, "size",
5708 mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
5709
5710 if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
5711 pr_out_snapshots(dl, tb);
5712
5713 if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5714 pr_out_snapshot(dl, tb);
5715
5716 pr_out_region_handle_end(dl);
5717 }
5718
5719 static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
5720 {
5721 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5722 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5723 struct dl *dl = data;
5724
5725 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5726 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5727 !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
5728 return MNL_CB_ERROR;
5729
5730 pr_out_region(dl, tb);
5731
5732 return MNL_CB_OK;
5733 }
5734
5735 static int cmd_region_show(struct dl *dl)
5736 {
5737 struct nlmsghdr *nlh;
5738 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
5739 int err;
5740
5741 if (dl_argc(dl) == 0)
5742 flags |= NLM_F_DUMP;
5743
5744 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
5745
5746 if (dl_argc(dl) > 0) {
5747 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
5748 if (err)
5749 return err;
5750 }
5751
5752 pr_out_section_start(dl, "regions");
5753 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
5754 pr_out_section_end(dl);
5755 return err;
5756 }
5757
5758 static int cmd_region_snapshot_del(struct dl *dl)
5759 {
5760 struct nlmsghdr *nlh;
5761 int err;
5762
5763 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
5764 NLM_F_REQUEST | NLM_F_ACK);
5765
5766 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5767 DL_OPT_REGION_SNAPSHOT_ID, 0);
5768 if (err)
5769 return err;
5770
5771 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5772 }
5773
5774 static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
5775 {
5776 struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
5777 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5778 struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
5779 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5780 struct dl *dl = data;
5781 int err;
5782
5783 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5784 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5785 !tb[DEVLINK_ATTR_REGION_CHUNKS])
5786 return MNL_CB_ERROR;
5787
5788 mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
5789 err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
5790 if (err != MNL_CB_OK)
5791 return MNL_CB_ERROR;
5792
5793 nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
5794 if (!nla_chunk_data)
5795 continue;
5796
5797 nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
5798 if (!nla_chunk_addr)
5799 continue;
5800
5801 pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
5802 mnl_attr_get_payload_len(nla_chunk_data),
5803 mnl_attr_get_u64(nla_chunk_addr));
5804 }
5805 return MNL_CB_OK;
5806 }
5807
5808 static int cmd_region_dump(struct dl *dl)
5809 {
5810 struct nlmsghdr *nlh;
5811 int err;
5812
5813 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5814 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5815
5816 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5817 DL_OPT_REGION_SNAPSHOT_ID, 0);
5818 if (err)
5819 return err;
5820
5821 pr_out_section_start(dl, "dump");
5822 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5823 pr_out_section_end(dl);
5824 if (!dl->json_output)
5825 pr_out("\n");
5826 return err;
5827 }
5828
5829 static int cmd_region_read(struct dl *dl)
5830 {
5831 struct nlmsghdr *nlh;
5832 int err;
5833
5834 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5835 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5836
5837 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5838 DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
5839 DL_OPT_REGION_SNAPSHOT_ID, 0);
5840 if (err)
5841 return err;
5842
5843 pr_out_section_start(dl, "read");
5844 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5845 pr_out_section_end(dl);
5846 if (!dl->json_output)
5847 pr_out("\n");
5848 return err;
5849 }
5850
5851 static void cmd_region_help(void)
5852 {
5853 pr_err("Usage: devlink region show [ DEV/REGION ]\n");
5854 pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
5855 pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
5856 pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
5857 }
5858
5859 static int cmd_region(struct dl *dl)
5860 {
5861 if (dl_no_arg(dl)) {
5862 return cmd_region_show(dl);
5863 } else if (dl_argv_match(dl, "help")) {
5864 cmd_region_help();
5865 return 0;
5866 } else if (dl_argv_match(dl, "show")) {
5867 dl_arg_inc(dl);
5868 return cmd_region_show(dl);
5869 } else if (dl_argv_match(dl, "del")) {
5870 dl_arg_inc(dl);
5871 return cmd_region_snapshot_del(dl);
5872 } else if (dl_argv_match(dl, "dump")) {
5873 dl_arg_inc(dl);
5874 return cmd_region_dump(dl);
5875 } else if (dl_argv_match(dl, "read")) {
5876 dl_arg_inc(dl);
5877 return cmd_region_read(dl);
5878 }
5879 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5880 return -ENOENT;
5881 }
5882
5883 static int cmd_health_set_params(struct dl *dl)
5884 {
5885 struct nlmsghdr *nlh;
5886 int err;
5887
5888 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET,
5889 NLM_F_REQUEST | NLM_F_ACK);
5890 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME,
5891 DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD |
5892 DL_OPT_HEALTH_REPORTER_AUTO_RECOVER);
5893 if (err)
5894 return err;
5895
5896 dl_opts_put(nlh, dl);
5897 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5898 }
5899
5900 static int cmd_health_dump_clear(struct dl *dl)
5901 {
5902 struct nlmsghdr *nlh;
5903 int err;
5904
5905 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
5906 NLM_F_REQUEST | NLM_F_ACK);
5907
5908 err = dl_argv_parse_put(nlh, dl,
5909 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
5910 if (err)
5911 return err;
5912
5913 dl_opts_put(nlh, dl);
5914 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5915 }
5916
5917 static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
5918 {
5919 uint8_t *data;
5920 uint32_t len;
5921
5922 switch (type) {
5923 case MNL_TYPE_FLAG:
5924 pr_out_bool_value(dl, mnl_attr_get_u8(nl_data));
5925 break;
5926 case MNL_TYPE_U8:
5927 pr_out_uint_value(dl, mnl_attr_get_u8(nl_data));
5928 break;
5929 case MNL_TYPE_U16:
5930 pr_out_uint_value(dl, mnl_attr_get_u16(nl_data));
5931 break;
5932 case MNL_TYPE_U32:
5933 pr_out_uint_value(dl, mnl_attr_get_u32(nl_data));
5934 break;
5935 case MNL_TYPE_U64:
5936 pr_out_uint64_value(dl, mnl_attr_get_u64(nl_data));
5937 break;
5938 case MNL_TYPE_NUL_STRING:
5939 pr_out_str_value(dl, mnl_attr_get_str(nl_data));
5940 break;
5941 case MNL_TYPE_BINARY:
5942 len = mnl_attr_get_payload_len(nl_data);
5943 data = mnl_attr_get_payload(nl_data);
5944 pr_out_binary_value(dl, data, len);
5945 break;
5946 default:
5947 return -EINVAL;
5948 }
5949 return MNL_CB_OK;
5950 }
5951
5952 struct nest_qentry {
5953 int attr_type;
5954 TAILQ_ENTRY(nest_qentry) nest_entries;
5955 };
5956
5957 struct fmsg_cb_data {
5958 struct dl *dl;
5959 uint8_t value_type;
5960 TAILQ_HEAD(, nest_qentry) qhead;
5961 };
5962
5963 static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
5964 uint8_t *attr_value, bool insert)
5965 {
5966 struct nest_qentry *entry = NULL;
5967
5968 if (insert) {
5969 entry = malloc(sizeof(struct nest_qentry));
5970 if (!entry)
5971 return -ENOMEM;
5972
5973 entry->attr_type = *attr_value;
5974 TAILQ_INSERT_HEAD(&fmsg_data->qhead, entry, nest_entries);
5975 } else {
5976 if (TAILQ_EMPTY(&fmsg_data->qhead))
5977 return MNL_CB_ERROR;
5978 entry = TAILQ_FIRST(&fmsg_data->qhead);
5979 *attr_value = entry->attr_type;
5980 TAILQ_REMOVE(&fmsg_data->qhead, entry, nest_entries);
5981 free(entry);
5982 }
5983 return MNL_CB_OK;
5984 }
5985
5986 static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
5987 bool start)
5988 {
5989 struct dl *dl = fmsg_data->dl;
5990 uint8_t value = nest_value;
5991 int err;
5992
5993 err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
5994 if (err != MNL_CB_OK)
5995 return err;
5996
5997 switch (value) {
5998 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
5999 if (start)
6000 pr_out_entry_start(dl);
6001 else
6002 pr_out_entry_end(dl);
6003 break;
6004 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6005 break;
6006 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6007 if (dl->json_output) {
6008 if (start)
6009 jsonw_start_array(dl->jw);
6010 else
6011 jsonw_end_array(dl->jw);
6012 } else {
6013 if (start) {
6014 __pr_out_newline();
6015 __pr_out_indent_inc();
6016 } else {
6017 __pr_out_indent_dec();
6018 }
6019 }
6020 break;
6021 default:
6022 return -EINVAL;
6023 }
6024 return MNL_CB_OK;
6025 }
6026
6027 static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
6028 {
6029 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6030 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6031 struct fmsg_cb_data *fmsg_data = data;
6032 struct dl *dl = fmsg_data->dl;
6033 struct nlattr *nla_object;
6034 int attr_type;
6035 int err;
6036
6037 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6038 if (!tb[DEVLINK_ATTR_FMSG])
6039 return MNL_CB_ERROR;
6040
6041 mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
6042 attr_type = mnl_attr_get_type(nla_object);
6043 switch (attr_type) {
6044 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6045 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6046 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6047 err = cmd_fmsg_nest(fmsg_data, attr_type, true);
6048 if (err != MNL_CB_OK)
6049 return err;
6050 break;
6051 case DEVLINK_ATTR_FMSG_NEST_END:
6052 err = cmd_fmsg_nest(fmsg_data, attr_type, false);
6053 if (err != MNL_CB_OK)
6054 return err;
6055 break;
6056 case DEVLINK_ATTR_FMSG_OBJ_NAME:
6057 pr_out_name(dl, mnl_attr_get_str(nla_object));
6058 break;
6059 case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
6060 fmsg_data->value_type = mnl_attr_get_u8(nla_object);
6061 break;
6062 case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
6063 err = fmsg_value_show(dl, fmsg_data->value_type,
6064 nla_object);
6065 if (err != MNL_CB_OK)
6066 return err;
6067 break;
6068 default:
6069 return -EINVAL;
6070 }
6071 }
6072 return MNL_CB_OK;
6073 }
6074
6075 static int cmd_health_object_common(struct dl *dl, uint8_t cmd)
6076 {
6077 struct fmsg_cb_data data;
6078 struct nlmsghdr *nlh;
6079 int err;
6080
6081 nlh = mnlg_msg_prepare(dl->nlg, cmd, NLM_F_REQUEST | NLM_F_ACK);
6082
6083 err = dl_argv_parse_put(nlh, dl,
6084 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6085 if (err)
6086 return err;
6087
6088 data.dl = dl;
6089 TAILQ_INIT(&data.qhead);
6090 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
6091 return err;
6092 }
6093
6094 static int cmd_health_dump_show(struct dl *dl)
6095 {
6096 return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET);
6097 }
6098
6099 static int cmd_health_diagnose(struct dl *dl)
6100 {
6101 return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE);
6102 }
6103
6104 static int cmd_health_recover(struct dl *dl)
6105 {
6106 struct nlmsghdr *nlh;
6107 int err;
6108
6109 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
6110 NLM_F_REQUEST | NLM_F_ACK);
6111
6112 err = dl_argv_parse_put(nlh, dl,
6113 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6114 if (err)
6115 return err;
6116
6117 dl_opts_put(nlh, dl);
6118 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6119 }
6120
6121 enum devlink_health_reporter_state {
6122 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
6123 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
6124 };
6125
6126 static const char *health_state_name(uint8_t state)
6127 {
6128 switch (state) {
6129 case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
6130 return HEALTH_REPORTER_STATE_HEALTHY_STR;
6131 case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
6132 return HEALTH_REPORTER_STATE_ERROR_STR;
6133 default:
6134 return "<unknown state>";
6135 }
6136 }
6137
6138 static void format_logtime(uint64_t time_ms, char *ts_date, char *ts_time)
6139 {
6140 struct sysinfo s_info;
6141 struct tm *info;
6142 time_t now, sec;
6143 int err;
6144
6145 time(&now);
6146 info = localtime(&now);
6147 err = sysinfo(&s_info);
6148 if (err)
6149 goto out;
6150 /* Subtract uptime in sec from now yields the time of system
6151 * uptime. To this, add time_ms which is the amount of
6152 * milliseconds elapsed between uptime and the dump taken.
6153 */
6154 sec = now - s_info.uptime + time_ms / 1000;
6155 info = localtime(&sec);
6156 out:
6157 strftime(ts_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
6158 strftime(ts_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
6159 }
6160
6161 static void pr_out_health(struct dl *dl, struct nlattr **tb_health)
6162 {
6163 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6164 enum devlink_health_reporter_state state;
6165 const struct nlattr *attr;
6166 uint64_t time_ms;
6167 int err;
6168
6169 err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
6170 attr_cb, tb);
6171 if (err != MNL_CB_OK)
6172 return;
6173
6174 if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
6175 !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
6176 !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
6177 !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
6178 return;
6179
6180 pr_out_handle_start_arr(dl, tb_health);
6181
6182 pr_out_str(dl, "name",
6183 mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
6184 if (!dl->json_output) {
6185 __pr_out_newline();
6186 __pr_out_indent_inc();
6187 }
6188 state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
6189 pr_out_str(dl, "state", health_state_name(state));
6190 pr_out_u64(dl, "error",
6191 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
6192 pr_out_u64(dl, "recover",
6193 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
6194 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]) {
6195 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6196 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6197
6198 attr = tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS];
6199 time_ms = mnl_attr_get_u64(attr);
6200 format_logtime(time_ms, dump_date, dump_time);
6201
6202 pr_out_str(dl, "last_dump_date", dump_date);
6203 pr_out_str(dl, "last_dump_time", dump_time);
6204 }
6205 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
6206 pr_out_u64(dl, "grace_period",
6207 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
6208 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
6209 pr_out_bool(dl, "auto_recover",
6210 mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
6211
6212 __pr_out_indent_dec();
6213 pr_out_handle_end(dl);
6214 }
6215
6216 static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
6217 {
6218 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6219 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6220 struct dl *dl = data;
6221
6222 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6223 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6224 !tb[DEVLINK_ATTR_HEALTH_REPORTER])
6225 return MNL_CB_ERROR;
6226
6227 pr_out_health(dl, tb);
6228
6229 return MNL_CB_OK;
6230 }
6231
6232 static int cmd_health_show(struct dl *dl)
6233 {
6234 struct nlmsghdr *nlh;
6235 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6236 int err;
6237
6238 if (dl_argc(dl) == 0)
6239 flags |= NLM_F_DUMP;
6240 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
6241 flags);
6242
6243 if (dl_argc(dl) > 0) {
6244 err = dl_argv_parse_put(nlh, dl,
6245 DL_OPT_HANDLE |
6246 DL_OPT_HEALTH_REPORTER_NAME, 0);
6247 if (err)
6248 return err;
6249 }
6250 pr_out_section_start(dl, "health");
6251
6252 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, dl);
6253 pr_out_section_end(dl);
6254 return err;
6255 }
6256
6257 static void cmd_health_help(void)
6258 {
6259 pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
6260 pr_err(" devlink health recover DEV reporter REPORTER_NAME\n");
6261 pr_err(" devlink health diagnose DEV reporter REPORTER_NAME\n");
6262 pr_err(" devlink health dump show DEV reporter REPORTER_NAME\n");
6263 pr_err(" devlink health dump clear DEV reporter REPORTER_NAME\n");
6264 pr_err(" devlink health set DEV reporter REPORTER_NAME { grace_period | auto_recover } { msec | boolean }\n");
6265 }
6266
6267 static int cmd_health(struct dl *dl)
6268 {
6269 if (dl_argv_match(dl, "help")) {
6270 cmd_health_help();
6271 return 0;
6272 } else if (dl_argv_match(dl, "show") ||
6273 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
6274 dl_arg_inc(dl);
6275 return cmd_health_show(dl);
6276 } else if (dl_argv_match(dl, "recover")) {
6277 dl_arg_inc(dl);
6278 return cmd_health_recover(dl);
6279 } else if (dl_argv_match(dl, "diagnose")) {
6280 dl_arg_inc(dl);
6281 return cmd_health_diagnose(dl);
6282 } else if (dl_argv_match(dl, "dump")) {
6283 dl_arg_inc(dl);
6284 if (dl_argv_match(dl, "show")) {
6285 dl_arg_inc(dl);
6286 return cmd_health_dump_show(dl);
6287 } else if (dl_argv_match(dl, "clear")) {
6288 dl_arg_inc(dl);
6289 return cmd_health_dump_clear(dl);
6290 }
6291 } else if (dl_argv_match(dl, "set")) {
6292 dl_arg_inc(dl);
6293 return cmd_health_set_params(dl);
6294 }
6295 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6296 return -ENOENT;
6297 }
6298
6299 static void help(void)
6300 {
6301 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
6302 " devlink [ -f[orce] ] -b[atch] filename\n"
6303 "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health }\n"
6304 " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] }\n");
6305 }
6306
6307 static int dl_cmd(struct dl *dl, int argc, char **argv)
6308 {
6309 dl->argc = argc;
6310 dl->argv = argv;
6311
6312 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
6313 help();
6314 return 0;
6315 } else if (dl_argv_match(dl, "dev")) {
6316 dl_arg_inc(dl);
6317 return cmd_dev(dl);
6318 } else if (dl_argv_match(dl, "port")) {
6319 dl_arg_inc(dl);
6320 return cmd_port(dl);
6321 } else if (dl_argv_match(dl, "sb")) {
6322 dl_arg_inc(dl);
6323 return cmd_sb(dl);
6324 } else if (dl_argv_match(dl, "monitor")) {
6325 dl_arg_inc(dl);
6326 return cmd_mon(dl);
6327 } else if (dl_argv_match(dl, "dpipe")) {
6328 dl_arg_inc(dl);
6329 return cmd_dpipe(dl);
6330 } else if (dl_argv_match(dl, "resource")) {
6331 dl_arg_inc(dl);
6332 return cmd_resource(dl);
6333 } else if (dl_argv_match(dl, "region")) {
6334 dl_arg_inc(dl);
6335 return cmd_region(dl);
6336 } else if (dl_argv_match(dl, "health")) {
6337 dl_arg_inc(dl);
6338 return cmd_health(dl);
6339 }
6340 pr_err("Object \"%s\" not found\n", dl_argv(dl));
6341 return -ENOENT;
6342 }
6343
6344 static int dl_init(struct dl *dl)
6345 {
6346 int err;
6347
6348 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
6349 if (!dl->nlg) {
6350 pr_err("Failed to connect to devlink Netlink\n");
6351 return -errno;
6352 }
6353
6354 err = ifname_map_init(dl);
6355 if (err) {
6356 pr_err("Failed to create index map\n");
6357 goto err_ifname_map_create;
6358 }
6359 if (dl->json_output) {
6360 dl->jw = jsonw_new(stdout);
6361 if (!dl->jw) {
6362 pr_err("Failed to create JSON writer\n");
6363 goto err_json_new;
6364 }
6365 jsonw_pretty(dl->jw, dl->pretty_output);
6366 }
6367 return 0;
6368
6369 err_json_new:
6370 ifname_map_fini(dl);
6371 err_ifname_map_create:
6372 mnlg_socket_close(dl->nlg);
6373 return err;
6374 }
6375
6376 static void dl_fini(struct dl *dl)
6377 {
6378 if (dl->json_output)
6379 jsonw_destroy(&dl->jw);
6380 ifname_map_fini(dl);
6381 mnlg_socket_close(dl->nlg);
6382 }
6383
6384 static struct dl *dl_alloc(void)
6385 {
6386 struct dl *dl;
6387
6388 dl = calloc(1, sizeof(*dl));
6389 if (!dl)
6390 return NULL;
6391 return dl;
6392 }
6393
6394 static void dl_free(struct dl *dl)
6395 {
6396 free(dl);
6397 }
6398
6399 static int dl_batch(struct dl *dl, const char *name, bool force)
6400 {
6401 char *line = NULL;
6402 size_t len = 0;
6403 int ret = EXIT_SUCCESS;
6404
6405 if (name && strcmp(name, "-") != 0) {
6406 if (freopen(name, "r", stdin) == NULL) {
6407 fprintf(stderr,
6408 "Cannot open file \"%s\" for reading: %s\n",
6409 name, strerror(errno));
6410 return EXIT_FAILURE;
6411 }
6412 }
6413
6414 cmdlineno = 0;
6415 while (getcmdline(&line, &len, stdin) != -1) {
6416 char *largv[100];
6417 int largc;
6418
6419 largc = makeargs(line, largv, 100);
6420 if (!largc)
6421 continue; /* blank line */
6422
6423 if (dl_cmd(dl, largc, largv)) {
6424 fprintf(stderr, "Command failed %s:%d\n",
6425 name, cmdlineno);
6426 ret = EXIT_FAILURE;
6427 if (!force)
6428 break;
6429 }
6430 }
6431
6432 if (line)
6433 free(line);
6434
6435 return ret;
6436 }
6437
6438 int main(int argc, char **argv)
6439 {
6440 static const struct option long_options[] = {
6441 { "Version", no_argument, NULL, 'V' },
6442 { "force", no_argument, NULL, 'f' },
6443 { "batch", required_argument, NULL, 'b' },
6444 { "no-nice-names", no_argument, NULL, 'n' },
6445 { "json", no_argument, NULL, 'j' },
6446 { "pretty", no_argument, NULL, 'p' },
6447 { "verbose", no_argument, NULL, 'v' },
6448 { NULL, 0, NULL, 0 }
6449 };
6450 const char *batch_file = NULL;
6451 bool force = false;
6452 struct dl *dl;
6453 int opt;
6454 int err;
6455 int ret;
6456
6457 dl = dl_alloc();
6458 if (!dl) {
6459 pr_err("Failed to allocate memory for devlink\n");
6460 return EXIT_FAILURE;
6461 }
6462
6463 while ((opt = getopt_long(argc, argv, "Vfb:njpv",
6464 long_options, NULL)) >= 0) {
6465
6466 switch (opt) {
6467 case 'V':
6468 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
6469 ret = EXIT_SUCCESS;
6470 goto dl_free;
6471 case 'f':
6472 force = true;
6473 break;
6474 case 'b':
6475 batch_file = optarg;
6476 break;
6477 case 'n':
6478 dl->no_nice_names = true;
6479 break;
6480 case 'j':
6481 dl->json_output = true;
6482 break;
6483 case 'p':
6484 dl->pretty_output = true;
6485 break;
6486 case 'v':
6487 dl->verbose = true;
6488 break;
6489 default:
6490 pr_err("Unknown option.\n");
6491 help();
6492 ret = EXIT_FAILURE;
6493 goto dl_free;
6494 }
6495 }
6496
6497 argc -= optind;
6498 argv += optind;
6499
6500 err = dl_init(dl);
6501 if (err) {
6502 ret = EXIT_FAILURE;
6503 goto dl_free;
6504 }
6505
6506 if (batch_file)
6507 err = dl_batch(dl, batch_file, force);
6508 else
6509 err = dl_cmd(dl, argc, argv);
6510
6511 if (err) {
6512 ret = EXIT_FAILURE;
6513 goto dl_fini;
6514 }
6515
6516 ret = EXIT_SUCCESS;
6517
6518 dl_fini:
6519 dl_fini(dl);
6520 dl_free:
6521 dl_free(dl);
6522
6523 return ret;
6524 }
Upstream mirror of iproute2