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devlink: fix warning from unchecked write
[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/types.h>
29
30 #include "SNAPSHOT.h"
31 #include "list.h"
32 #include "mnlg.h"
33 #include "json_writer.h"
34 #include "utils.h"
35 #include "namespace.h"
36
37 #define ESWITCH_MODE_LEGACY "legacy"
38 #define ESWITCH_MODE_SWITCHDEV "switchdev"
39 #define ESWITCH_INLINE_MODE_NONE "none"
40 #define ESWITCH_INLINE_MODE_LINK "link"
41 #define ESWITCH_INLINE_MODE_NETWORK "network"
42 #define ESWITCH_INLINE_MODE_TRANSPORT "transport"
43
44 #define PARAM_CMODE_RUNTIME_STR "runtime"
45 #define PARAM_CMODE_DRIVERINIT_STR "driverinit"
46 #define PARAM_CMODE_PERMANENT_STR "permanent"
47 #define DL_ARGS_REQUIRED_MAX_ERR_LEN 80
48
49 #define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy"
50 #define HEALTH_REPORTER_STATE_ERROR_STR "error"
51 #define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
52
53 static int g_new_line_count;
54 static int g_indent_level;
55 static bool g_indent_newline;
56
57 #define INDENT_STR_STEP 2
58 #define INDENT_STR_MAXLEN 32
59 static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
60
61 static void __attribute__((format(printf, 1, 2)))
62 pr_err(const char *fmt, ...)
63 {
64 va_list ap;
65
66 va_start(ap, fmt);
67 vfprintf(stderr, fmt, ap);
68 va_end(ap);
69 }
70
71 static void __attribute__((format(printf, 1, 2)))
72 pr_out(const char *fmt, ...)
73 {
74 va_list ap;
75
76 if (g_indent_newline) {
77 printf("%s", g_indent_str);
78 g_indent_newline = false;
79 }
80 va_start(ap, fmt);
81 vprintf(fmt, ap);
82 va_end(ap);
83 g_new_line_count = 0;
84 }
85
86 static void __attribute__((format(printf, 2, 3)))
87 pr_out_sp(unsigned int num, const char *fmt, ...)
88 {
89 va_list ap;
90 int ret;
91
92 va_start(ap, fmt);
93 ret = vprintf(fmt, ap);
94 va_end(ap);
95
96 if (ret < num)
97 printf("%*s", num - ret, "");
98 g_new_line_count = 0; \
99 }
100
101 static void __attribute__((format(printf, 1, 2)))
102 pr_out_tty(const char *fmt, ...)
103 {
104 va_list ap;
105
106 if (!isatty(STDOUT_FILENO))
107 return;
108 va_start(ap, fmt);
109 vprintf(fmt, ap);
110 va_end(ap);
111 }
112
113 static void __pr_out_indent_inc(void)
114 {
115 if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
116 return;
117 g_indent_level += INDENT_STR_STEP;
118 memset(g_indent_str, ' ', sizeof(g_indent_str));
119 g_indent_str[g_indent_level] = '\0';
120 }
121
122 static void __pr_out_indent_dec(void)
123 {
124 if (g_indent_level - INDENT_STR_STEP < 0)
125 return;
126 g_indent_level -= INDENT_STR_STEP;
127 g_indent_str[g_indent_level] = '\0';
128 }
129
130 static void __pr_out_newline(void)
131 {
132 if (g_new_line_count < 1) {
133 pr_out("\n");
134 g_indent_newline = true;
135 }
136 g_new_line_count++;
137 }
138
139 static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
140 mnl_cb_t data_cb, void *data)
141 {
142 int err;
143
144 err = mnlg_socket_recv_run(nlg, data_cb, data);
145 if (err < 0) {
146 pr_err("devlink answers: %s\n", strerror(errno));
147 return -errno;
148 }
149 return 0;
150 }
151
152 static int _mnlg_socket_send(struct mnlg_socket *nlg,
153 const struct nlmsghdr *nlh)
154 {
155 int err;
156
157 err = mnlg_socket_send(nlg, nlh);
158 if (err < 0) {
159 pr_err("Failed to call mnlg_socket_send\n");
160 return -errno;
161 }
162 return 0;
163 }
164
165 static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
166 const struct nlmsghdr *nlh,
167 mnl_cb_t data_cb, void *data)
168 {
169 int err;
170
171 err = _mnlg_socket_send(nlg, nlh);
172 if (err)
173 return err;
174 return _mnlg_socket_recv_run(nlg, data_cb, data);
175 }
176
177 static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
178 const char *group_name)
179 {
180 int err;
181
182 err = mnlg_socket_group_add(nlg, group_name);
183 if (err < 0) {
184 pr_err("Failed to call mnlg_socket_group_add\n");
185 return -errno;
186 }
187 return 0;
188 }
189
190 struct ifname_map {
191 struct list_head list;
192 char *bus_name;
193 char *dev_name;
194 uint32_t port_index;
195 char *ifname;
196 };
197
198 static struct ifname_map *ifname_map_alloc(const char *bus_name,
199 const char *dev_name,
200 uint32_t port_index,
201 const char *ifname)
202 {
203 struct ifname_map *ifname_map;
204
205 ifname_map = calloc(1, sizeof(*ifname_map));
206 if (!ifname_map)
207 return NULL;
208 ifname_map->bus_name = strdup(bus_name);
209 ifname_map->dev_name = strdup(dev_name);
210 ifname_map->port_index = port_index;
211 ifname_map->ifname = strdup(ifname);
212 if (!ifname_map->bus_name || !ifname_map->dev_name ||
213 !ifname_map->ifname) {
214 free(ifname_map->ifname);
215 free(ifname_map->dev_name);
216 free(ifname_map->bus_name);
217 free(ifname_map);
218 return NULL;
219 }
220 return ifname_map;
221 }
222
223 static void ifname_map_free(struct ifname_map *ifname_map)
224 {
225 free(ifname_map->ifname);
226 free(ifname_map->dev_name);
227 free(ifname_map->bus_name);
228 free(ifname_map);
229 }
230
231 #define DL_OPT_HANDLE BIT(0)
232 #define DL_OPT_HANDLEP BIT(1)
233 #define DL_OPT_PORT_TYPE BIT(2)
234 #define DL_OPT_PORT_COUNT BIT(3)
235 #define DL_OPT_SB BIT(4)
236 #define DL_OPT_SB_POOL BIT(5)
237 #define DL_OPT_SB_SIZE BIT(6)
238 #define DL_OPT_SB_TYPE BIT(7)
239 #define DL_OPT_SB_THTYPE BIT(8)
240 #define DL_OPT_SB_TH BIT(9)
241 #define DL_OPT_SB_TC BIT(10)
242 #define DL_OPT_ESWITCH_MODE BIT(11)
243 #define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
244 #define DL_OPT_DPIPE_TABLE_NAME BIT(13)
245 #define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
246 #define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
247 #define DL_OPT_RESOURCE_PATH BIT(16)
248 #define DL_OPT_RESOURCE_SIZE BIT(17)
249 #define DL_OPT_PARAM_NAME BIT(18)
250 #define DL_OPT_PARAM_VALUE BIT(19)
251 #define DL_OPT_PARAM_CMODE BIT(20)
252 #define DL_OPT_HANDLE_REGION BIT(21)
253 #define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
254 #define DL_OPT_REGION_ADDRESS BIT(23)
255 #define DL_OPT_REGION_LENGTH BIT(24)
256 #define DL_OPT_FLASH_FILE_NAME BIT(25)
257 #define DL_OPT_FLASH_COMPONENT BIT(26)
258 #define DL_OPT_HEALTH_REPORTER_NAME BIT(27)
259 #define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(28)
260 #define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(29)
261 #define DL_OPT_TRAP_NAME BIT(30)
262 #define DL_OPT_TRAP_ACTION BIT(31)
263 #define DL_OPT_TRAP_GROUP_NAME BIT(32)
264 #define DL_OPT_NETNS BIT(33)
265
266 struct dl_opts {
267 uint64_t present; /* flags of present items */
268 char *bus_name;
269 char *dev_name;
270 uint32_t port_index;
271 enum devlink_port_type port_type;
272 uint32_t port_count;
273 uint32_t sb_index;
274 uint16_t sb_pool_index;
275 uint32_t sb_pool_size;
276 enum devlink_sb_pool_type sb_pool_type;
277 enum devlink_sb_threshold_type sb_pool_thtype;
278 uint32_t sb_threshold;
279 uint16_t sb_tc_index;
280 enum devlink_eswitch_mode eswitch_mode;
281 enum devlink_eswitch_inline_mode eswitch_inline_mode;
282 const char *dpipe_table_name;
283 bool dpipe_counters_enable;
284 bool eswitch_encap_mode;
285 const char *resource_path;
286 uint64_t resource_size;
287 uint32_t resource_id;
288 bool resource_id_valid;
289 const char *param_name;
290 const char *param_value;
291 enum devlink_param_cmode cmode;
292 char *region_name;
293 uint32_t region_snapshot_id;
294 uint64_t region_address;
295 uint64_t region_length;
296 const char *flash_file_name;
297 const char *flash_component;
298 const char *reporter_name;
299 uint64_t reporter_graceful_period;
300 bool reporter_auto_recover;
301 const char *trap_name;
302 const char *trap_group_name;
303 enum devlink_trap_action trap_action;
304 bool netns_is_pid;
305 uint32_t netns;
306 };
307
308 struct dl {
309 struct mnlg_socket *nlg;
310 struct list_head ifname_map_list;
311 int argc;
312 char **argv;
313 bool no_nice_names;
314 struct dl_opts opts;
315 json_writer_t *jw;
316 bool json_output;
317 bool pretty_output;
318 bool verbose;
319 bool stats;
320 struct {
321 bool present;
322 char *bus_name;
323 char *dev_name;
324 uint32_t port_index;
325 } arr_last;
326 };
327
328 static int dl_argc(struct dl *dl)
329 {
330 return dl->argc;
331 }
332
333 static char *dl_argv(struct dl *dl)
334 {
335 if (dl_argc(dl) == 0)
336 return NULL;
337 return *dl->argv;
338 }
339
340 static void dl_arg_inc(struct dl *dl)
341 {
342 if (dl_argc(dl) == 0)
343 return;
344 dl->argc--;
345 dl->argv++;
346 }
347
348 static void dl_arg_dec(struct dl *dl)
349 {
350 dl->argc++;
351 dl->argv--;
352 }
353
354 static char *dl_argv_next(struct dl *dl)
355 {
356 char *ret;
357
358 if (dl_argc(dl) == 0)
359 return NULL;
360
361 ret = *dl->argv;
362 dl_arg_inc(dl);
363 return ret;
364 }
365
366 static char *dl_argv_index(struct dl *dl, unsigned int index)
367 {
368 if (index >= dl_argc(dl))
369 return NULL;
370 return dl->argv[index];
371 }
372
373 static int strcmpx(const char *str1, const char *str2)
374 {
375 if (strlen(str1) > strlen(str2))
376 return -1;
377 return strncmp(str1, str2, strlen(str1));
378 }
379
380 static bool dl_argv_match(struct dl *dl, const char *pattern)
381 {
382 if (dl_argc(dl) == 0)
383 return false;
384 return strcmpx(dl_argv(dl), pattern) == 0;
385 }
386
387 static bool dl_no_arg(struct dl *dl)
388 {
389 return dl_argc(dl) == 0;
390 }
391
392 static void __pr_out_indent_newline(struct dl *dl)
393 {
394 if (!g_indent_newline && !dl->json_output)
395 pr_out(" ");
396 }
397
398 static void check_indent_newline(struct dl *dl)
399 {
400 __pr_out_indent_newline(dl);
401
402 if (g_indent_newline && !is_json_context()) {
403 printf("%s", g_indent_str);
404 g_indent_newline = false;
405 }
406 g_new_line_count = 0;
407 }
408
409 static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
410 [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
411 [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
412 [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
413 [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
414 [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
415 [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
416 [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
417 [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
418 [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
419 [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
420 [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
421 [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
422 [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
423 [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
424 [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
425 [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
426 [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
427 [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
428 [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
429 [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
430 [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
431 [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
432 [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
433 [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
434 [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
435 [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
436 [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
437 [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
438 [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
439 [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
440 [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
441 [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
442 [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
443 [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
444 [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
445 [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
446 [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
447 [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
448 [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
449 [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
450 [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
451 [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
452 [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
453 [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
454 [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
455 [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
456 [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
457 [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
458 [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
459 [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
460 [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
461 [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
462 [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
463 [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
464 [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
465 [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
466 [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
467 [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
468 [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
469 [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
470 [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
471 [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
472 [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
473 [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
474 [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
475 [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
476 [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
477 [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
478 [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
479 [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
480 [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
481 [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
482 [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
483 [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING,
484 [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING,
485 [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED,
486 [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED,
487 [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED,
488 [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING,
489 [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING,
490 [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED,
491 [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING,
492 [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8,
493 [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64,
494 [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
495 [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
496 [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
497 [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = MNL_TYPE_STRING,
498 [DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG] = MNL_TYPE_STRING,
499 [DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE] = MNL_TYPE_U64,
500 [DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL] = MNL_TYPE_U64,
501 [DEVLINK_ATTR_STATS] = MNL_TYPE_NESTED,
502 [DEVLINK_ATTR_TRAP_NAME] = MNL_TYPE_STRING,
503 [DEVLINK_ATTR_TRAP_ACTION] = MNL_TYPE_U8,
504 [DEVLINK_ATTR_TRAP_TYPE] = MNL_TYPE_U8,
505 [DEVLINK_ATTR_TRAP_GENERIC] = MNL_TYPE_FLAG,
506 [DEVLINK_ATTR_TRAP_METADATA] = MNL_TYPE_NESTED,
507 [DEVLINK_ATTR_TRAP_GROUP_NAME] = MNL_TYPE_STRING,
508 [DEVLINK_ATTR_RELOAD_FAILED] = MNL_TYPE_U8,
509 };
510
511 static const enum mnl_attr_data_type
512 devlink_stats_policy[DEVLINK_ATTR_STATS_MAX + 1] = {
513 [DEVLINK_ATTR_STATS_RX_PACKETS] = MNL_TYPE_U64,
514 [DEVLINK_ATTR_STATS_RX_BYTES] = MNL_TYPE_U64,
515 };
516
517 static int attr_cb(const struct nlattr *attr, void *data)
518 {
519 const struct nlattr **tb = data;
520 int type;
521
522 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
523 return MNL_CB_OK;
524
525 type = mnl_attr_get_type(attr);
526 if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
527 return MNL_CB_ERROR;
528
529 tb[type] = attr;
530 return MNL_CB_OK;
531 }
532
533 static int attr_stats_cb(const struct nlattr *attr, void *data)
534 {
535 const struct nlattr **tb = data;
536 int type;
537
538 /* Allow the tool to work on top of newer kernels that might contain
539 * more attributes.
540 */
541 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_STATS_MAX) < 0)
542 return MNL_CB_OK;
543
544 type = mnl_attr_get_type(attr);
545 if (mnl_attr_validate(attr, devlink_stats_policy[type]) < 0)
546 return MNL_CB_ERROR;
547
548 tb[type] = attr;
549 return MNL_CB_OK;
550 }
551
552 static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
553 {
554 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
555 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
556 struct dl *dl = data;
557 struct ifname_map *ifname_map;
558 const char *bus_name;
559 const char *dev_name;
560 uint32_t port_ifindex;
561 const char *port_ifname;
562
563 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
564 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
565 !tb[DEVLINK_ATTR_PORT_INDEX])
566 return MNL_CB_ERROR;
567
568 if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
569 return MNL_CB_OK;
570
571 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
572 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
573 port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
574 port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
575 ifname_map = ifname_map_alloc(bus_name, dev_name,
576 port_ifindex, port_ifname);
577 if (!ifname_map)
578 return MNL_CB_ERROR;
579 list_add(&ifname_map->list, &dl->ifname_map_list);
580
581 return MNL_CB_OK;
582 }
583
584 static void ifname_map_fini(struct dl *dl)
585 {
586 struct ifname_map *ifname_map, *tmp;
587
588 list_for_each_entry_safe(ifname_map, tmp,
589 &dl->ifname_map_list, list) {
590 list_del(&ifname_map->list);
591 ifname_map_free(ifname_map);
592 }
593 }
594
595 static int ifname_map_init(struct dl *dl)
596 {
597 struct nlmsghdr *nlh;
598 int err;
599
600 INIT_LIST_HEAD(&dl->ifname_map_list);
601
602 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
603 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
604
605 err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
606 if (err) {
607 ifname_map_fini(dl);
608 return err;
609 }
610 return 0;
611 }
612
613 static int ifname_map_lookup(struct dl *dl, const char *ifname,
614 char **p_bus_name, char **p_dev_name,
615 uint32_t *p_port_index)
616 {
617 struct ifname_map *ifname_map;
618
619 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
620 if (strcmp(ifname, ifname_map->ifname) == 0) {
621 *p_bus_name = ifname_map->bus_name;
622 *p_dev_name = ifname_map->dev_name;
623 *p_port_index = ifname_map->port_index;
624 return 0;
625 }
626 }
627 return -ENOENT;
628 }
629
630 static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
631 const char *dev_name, uint32_t port_index,
632 char **p_ifname)
633 {
634 struct ifname_map *ifname_map;
635
636 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
637 if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
638 strcmp(dev_name, ifname_map->dev_name) == 0 &&
639 port_index == ifname_map->port_index) {
640 *p_ifname = ifname_map->ifname;
641 return 0;
642 }
643 }
644 return -ENOENT;
645 }
646
647 static unsigned int strslashcount(char *str)
648 {
649 unsigned int count = 0;
650 char *pos = str;
651
652 while ((pos = strchr(pos, '/'))) {
653 count++;
654 pos++;
655 }
656 return count;
657 }
658
659 static int strslashrsplit(char *str, char **before, char **after)
660 {
661 char *slash;
662
663 slash = strrchr(str, '/');
664 if (!slash)
665 return -EINVAL;
666 *slash = '\0';
667 *before = str;
668 *after = slash + 1;
669 return 0;
670 }
671
672 static int strtouint64_t(const char *str, uint64_t *p_val)
673 {
674 char *endptr;
675 unsigned long long int val;
676
677 val = strtoull(str, &endptr, 10);
678 if (endptr == str || *endptr != '\0')
679 return -EINVAL;
680 if (val > ULONG_MAX)
681 return -ERANGE;
682 *p_val = val;
683 return 0;
684 }
685
686 static int strtouint32_t(const char *str, uint32_t *p_val)
687 {
688 char *endptr;
689 unsigned long int val;
690
691 val = strtoul(str, &endptr, 10);
692 if (endptr == str || *endptr != '\0')
693 return -EINVAL;
694 if (val > UINT_MAX)
695 return -ERANGE;
696 *p_val = val;
697 return 0;
698 }
699
700 static int strtouint16_t(const char *str, uint16_t *p_val)
701 {
702 char *endptr;
703 unsigned long int val;
704
705 val = strtoul(str, &endptr, 10);
706 if (endptr == str || *endptr != '\0')
707 return -EINVAL;
708 if (val > USHRT_MAX)
709 return -ERANGE;
710 *p_val = val;
711 return 0;
712 }
713
714 static int strtouint8_t(const char *str, uint8_t *p_val)
715 {
716 char *endptr;
717 unsigned long int val;
718
719 val = strtoul(str, &endptr, 10);
720 if (endptr == str || *endptr != '\0')
721 return -EINVAL;
722 if (val > UCHAR_MAX)
723 return -ERANGE;
724 *p_val = val;
725 return 0;
726 }
727
728 static int strtobool(const char *str, bool *p_val)
729 {
730 bool val;
731
732 if (!strcmp(str, "true") || !strcmp(str, "1"))
733 val = true;
734 else if (!strcmp(str, "false") || !strcmp(str, "0"))
735 val = false;
736 else
737 return -EINVAL;
738 *p_val = val;
739 return 0;
740 }
741
742 static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
743 {
744 strslashrsplit(str, p_bus_name, p_dev_name);
745 return 0;
746 }
747
748 static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
749 {
750 char *str = dl_argv_next(dl);
751
752 if (!str) {
753 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
754 return -EINVAL;
755 }
756 if (strslashcount(str) != 1) {
757 pr_err("Wrong devlink identification string format.\n");
758 pr_err("Expected \"bus_name/dev_name\".\n");
759 return -EINVAL;
760 }
761 return __dl_argv_handle(str, p_bus_name, p_dev_name);
762 }
763
764 static int __dl_argv_handle_port(char *str,
765 char **p_bus_name, char **p_dev_name,
766 uint32_t *p_port_index)
767 {
768 char *handlestr;
769 char *portstr;
770 int err;
771
772 err = strslashrsplit(str, &handlestr, &portstr);
773 if (err) {
774 pr_err("Port identification \"%s\" is invalid\n", str);
775 return err;
776 }
777 err = strtouint32_t(portstr, p_port_index);
778 if (err) {
779 pr_err("Port index \"%s\" is not a number or not within range\n",
780 portstr);
781 return err;
782 }
783 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
784 if (err) {
785 pr_err("Port identification \"%s\" is invalid\n", str);
786 return err;
787 }
788 return 0;
789 }
790
791 static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
792 char **p_bus_name, char **p_dev_name,
793 uint32_t *p_port_index)
794 {
795 int err;
796
797 err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
798 p_port_index);
799 if (err) {
800 pr_err("Netdevice \"%s\" not found\n", str);
801 return err;
802 }
803 return 0;
804 }
805
806 static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
807 char **p_dev_name, uint32_t *p_port_index)
808 {
809 char *str = dl_argv_next(dl);
810 unsigned int slash_count;
811
812 if (!str) {
813 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
814 return -EINVAL;
815 }
816 slash_count = strslashcount(str);
817 switch (slash_count) {
818 case 0:
819 return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
820 p_dev_name, p_port_index);
821 case 2:
822 return __dl_argv_handle_port(str, p_bus_name,
823 p_dev_name, p_port_index);
824 default:
825 pr_err("Wrong port identification string format.\n");
826 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
827 return -EINVAL;
828 }
829 }
830
831 static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
832 char **p_dev_name, uint32_t *p_port_index,
833 uint64_t *p_handle_bit)
834 {
835 char *str = dl_argv_next(dl);
836 unsigned int slash_count;
837 int err;
838
839 if (!str) {
840 pr_err("One of following identifications expected:\n"
841 "Devlink identification (\"bus_name/dev_name\")\n"
842 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
843 return -EINVAL;
844 }
845 slash_count = strslashcount(str);
846 if (slash_count == 1) {
847 err = __dl_argv_handle(str, p_bus_name, p_dev_name);
848 if (err)
849 return err;
850 *p_handle_bit = DL_OPT_HANDLE;
851 } else if (slash_count == 2) {
852 err = __dl_argv_handle_port(str, p_bus_name,
853 p_dev_name, p_port_index);
854 if (err)
855 return err;
856 *p_handle_bit = DL_OPT_HANDLEP;
857 } else if (slash_count == 0) {
858 err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
859 p_dev_name, p_port_index);
860 if (err)
861 return err;
862 *p_handle_bit = DL_OPT_HANDLEP;
863 } else {
864 pr_err("Wrong port identification string format.\n");
865 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
866 return -EINVAL;
867 }
868 return 0;
869 }
870
871 static int __dl_argv_handle_region(char *str, char **p_bus_name,
872 char **p_dev_name, char **p_region)
873 {
874 char *handlestr;
875 int err;
876
877 err = strslashrsplit(str, &handlestr, p_region);
878 if (err) {
879 pr_err("Region identification \"%s\" is invalid\n", str);
880 return err;
881 }
882 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
883 if (err) {
884 pr_err("Region identification \"%s\" is invalid\n", str);
885 return err;
886 }
887 return 0;
888 }
889
890 static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
891 char **p_dev_name, char **p_region)
892 {
893 char *str = dl_argv_next(dl);
894 unsigned int slash_count;
895
896 if (!str) {
897 pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
898 return -EINVAL;
899 }
900
901 slash_count = strslashcount(str);
902 if (slash_count != 2) {
903 pr_err("Wrong region identification string format.\n");
904 pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
905 return -EINVAL;
906 }
907
908 return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
909 }
910
911 static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
912 {
913 char *str = dl_argv_next(dl);
914 int err;
915
916 if (!str) {
917 pr_err("Unsigned number argument expected\n");
918 return -EINVAL;
919 }
920
921 err = strtouint64_t(str, p_val);
922 if (err) {
923 pr_err("\"%s\" is not a number or not within range\n", str);
924 return err;
925 }
926 return 0;
927 }
928
929 static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
930 {
931 char *str = dl_argv_next(dl);
932 int err;
933
934 if (!str) {
935 pr_err("Unsigned number argument expected\n");
936 return -EINVAL;
937 }
938
939 err = strtouint32_t(str, p_val);
940 if (err) {
941 pr_err("\"%s\" is not a number or not within range\n", str);
942 return err;
943 }
944 return 0;
945 }
946
947 static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
948 {
949 char *str = dl_argv_next(dl);
950 int err;
951
952 if (!str) {
953 pr_err("Unsigned number argument expected\n");
954 return -EINVAL;
955 }
956
957 err = strtouint16_t(str, p_val);
958 if (err) {
959 pr_err("\"%s\" is not a number or not within range\n", str);
960 return err;
961 }
962 return 0;
963 }
964
965 static int dl_argv_bool(struct dl *dl, bool *p_val)
966 {
967 char *str = dl_argv_next(dl);
968 int err;
969
970 if (!str) {
971 pr_err("Boolean argument expected\n");
972 return -EINVAL;
973 }
974
975 err = strtobool(str, p_val);
976 if (err) {
977 pr_err("\"%s\" is not a valid boolean value\n", str);
978 return err;
979 }
980 return 0;
981 }
982
983 static int dl_argv_str(struct dl *dl, const char **p_str)
984 {
985 const char *str = dl_argv_next(dl);
986
987 if (!str) {
988 pr_err("String parameter expected\n");
989 return -EINVAL;
990 }
991 *p_str = str;
992 return 0;
993 }
994
995 static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
996 {
997 if (strcmp(typestr, "auto") == 0) {
998 *p_type = DEVLINK_PORT_TYPE_AUTO;
999 } else if (strcmp(typestr, "eth") == 0) {
1000 *p_type = DEVLINK_PORT_TYPE_ETH;
1001 } else if (strcmp(typestr, "ib") == 0) {
1002 *p_type = DEVLINK_PORT_TYPE_IB;
1003 } else {
1004 pr_err("Unknown port type \"%s\"\n", typestr);
1005 return -EINVAL;
1006 }
1007 return 0;
1008 }
1009
1010 static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
1011 {
1012 if (strcmp(typestr, "ingress") == 0) {
1013 *p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
1014 } else if (strcmp(typestr, "egress") == 0) {
1015 *p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
1016 } else {
1017 pr_err("Unknown pool type \"%s\"\n", typestr);
1018 return -EINVAL;
1019 }
1020 return 0;
1021 }
1022
1023 static int threshold_type_get(const char *typestr,
1024 enum devlink_sb_threshold_type *p_type)
1025 {
1026 if (strcmp(typestr, "static") == 0) {
1027 *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
1028 } else if (strcmp(typestr, "dynamic") == 0) {
1029 *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
1030 } else {
1031 pr_err("Unknown threshold type \"%s\"\n", typestr);
1032 return -EINVAL;
1033 }
1034 return 0;
1035 }
1036
1037 static int eswitch_mode_get(const char *typestr,
1038 enum devlink_eswitch_mode *p_mode)
1039 {
1040 if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
1041 *p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
1042 } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
1043 *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
1044 } else {
1045 pr_err("Unknown eswitch mode \"%s\"\n", typestr);
1046 return -EINVAL;
1047 }
1048 return 0;
1049 }
1050
1051 static int eswitch_inline_mode_get(const char *typestr,
1052 enum devlink_eswitch_inline_mode *p_mode)
1053 {
1054 if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
1055 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
1056 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
1057 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
1058 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
1059 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
1060 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
1061 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
1062 } else {
1063 pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
1064 return -EINVAL;
1065 }
1066 return 0;
1067 }
1068
1069 static int dpipe_counters_enable_get(const char *typestr,
1070 bool *counters_enable)
1071 {
1072 if (strcmp(typestr, "enable") == 0) {
1073 *counters_enable = 1;
1074 } else if (strcmp(typestr, "disable") == 0) {
1075 *counters_enable = 0;
1076 } else {
1077 pr_err("Unknown counter_state \"%s\"\n", typestr);
1078 return -EINVAL;
1079 }
1080 return 0;
1081 }
1082
1083 static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
1084 {
1085 if (strcmp(typestr, "enable") == 0) {
1086 *p_mode = true;
1087 } else if (strcmp(typestr, "disable") == 0) {
1088 *p_mode = false;
1089 } else {
1090 pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
1091 return -EINVAL;
1092 }
1093 return 0;
1094 }
1095
1096 static int param_cmode_get(const char *cmodestr,
1097 enum devlink_param_cmode *cmode)
1098 {
1099 if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
1100 *cmode = DEVLINK_PARAM_CMODE_RUNTIME;
1101 } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
1102 *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
1103 } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
1104 *cmode = DEVLINK_PARAM_CMODE_PERMANENT;
1105 } else {
1106 pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
1107 return -EINVAL;
1108 }
1109 return 0;
1110 }
1111
1112 static int trap_action_get(const char *actionstr,
1113 enum devlink_trap_action *p_action)
1114 {
1115 if (strcmp(actionstr, "drop") == 0) {
1116 *p_action = DEVLINK_TRAP_ACTION_DROP;
1117 } else if (strcmp(actionstr, "trap") == 0) {
1118 *p_action = DEVLINK_TRAP_ACTION_TRAP;
1119 } else {
1120 pr_err("Unknown trap action \"%s\"\n", actionstr);
1121 return -EINVAL;
1122 }
1123 return 0;
1124 }
1125
1126 struct dl_args_metadata {
1127 uint64_t o_flag;
1128 char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
1129 };
1130
1131 static const struct dl_args_metadata dl_args_required[] = {
1132 {DL_OPT_PORT_TYPE, "Port type not set."},
1133 {DL_OPT_PORT_COUNT, "Port split count option expected."},
1134 {DL_OPT_SB_POOL, "Pool index option expected."},
1135 {DL_OPT_SB_SIZE, "Pool size option expected."},
1136 {DL_OPT_SB_TYPE, "Pool type option expected."},
1137 {DL_OPT_SB_THTYPE, "Pool threshold type option expected."},
1138 {DL_OPT_SB_TH, "Threshold option expected."},
1139 {DL_OPT_SB_TC, "TC index option expected."},
1140 {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."},
1141 {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."},
1142 {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."},
1143 {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."},
1144 {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."},
1145 {DL_OPT_RESOURCE_PATH, "Resource path expected."},
1146 {DL_OPT_RESOURCE_SIZE, "Resource size expected."},
1147 {DL_OPT_PARAM_NAME, "Parameter name expected."},
1148 {DL_OPT_PARAM_VALUE, "Value to set expected."},
1149 {DL_OPT_PARAM_CMODE, "Configuration mode expected."},
1150 {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."},
1151 {DL_OPT_REGION_ADDRESS, "Region address value expected."},
1152 {DL_OPT_REGION_LENGTH, "Region length value expected."},
1153 {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."},
1154 {DL_OPT_TRAP_NAME, "Trap's name is expected."},
1155 {DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."},
1156 };
1157
1158 static int dl_args_finding_required_validate(uint64_t o_required,
1159 uint64_t o_found)
1160 {
1161 uint64_t o_flag;
1162 int i;
1163
1164 for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) {
1165 o_flag = dl_args_required[i].o_flag;
1166 if ((o_required & o_flag) && !(o_found & o_flag)) {
1167 pr_err("%s\n", dl_args_required[i].err_msg);
1168 return -EINVAL;
1169 }
1170 }
1171 if (o_required & ~o_found) {
1172 pr_err("BUG: unknown argument required but not found\n");
1173 return -EINVAL;
1174 }
1175 return 0;
1176 }
1177
1178 static int dl_argv_parse(struct dl *dl, uint64_t o_required,
1179 uint64_t o_optional)
1180 {
1181 struct dl_opts *opts = &dl->opts;
1182 uint64_t o_all = o_required | o_optional;
1183 uint64_t o_found = 0;
1184 int err;
1185
1186 if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
1187 uint64_t handle_bit;
1188
1189 err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
1190 &opts->port_index, &handle_bit);
1191 if (err)
1192 return err;
1193 o_required &= ~(DL_OPT_HANDLE | DL_OPT_HANDLEP) | handle_bit;
1194 o_found |= handle_bit;
1195 } else if (o_required & DL_OPT_HANDLE) {
1196 err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
1197 if (err)
1198 return err;
1199 o_found |= DL_OPT_HANDLE;
1200 } else if (o_required & DL_OPT_HANDLEP) {
1201 err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
1202 &opts->port_index);
1203 if (err)
1204 return err;
1205 o_found |= DL_OPT_HANDLEP;
1206 } else if (o_required & DL_OPT_HANDLE_REGION) {
1207 err = dl_argv_handle_region(dl, &opts->bus_name,
1208 &opts->dev_name,
1209 &opts->region_name);
1210 if (err)
1211 return err;
1212 o_found |= DL_OPT_HANDLE_REGION;
1213 }
1214
1215 while (dl_argc(dl)) {
1216 if (dl_argv_match(dl, "type") &&
1217 (o_all & DL_OPT_PORT_TYPE)) {
1218 const char *typestr;
1219
1220 dl_arg_inc(dl);
1221 err = dl_argv_str(dl, &typestr);
1222 if (err)
1223 return err;
1224 err = port_type_get(typestr, &opts->port_type);
1225 if (err)
1226 return err;
1227 o_found |= DL_OPT_PORT_TYPE;
1228 } else if (dl_argv_match(dl, "count") &&
1229 (o_all & DL_OPT_PORT_COUNT)) {
1230 dl_arg_inc(dl);
1231 err = dl_argv_uint32_t(dl, &opts->port_count);
1232 if (err)
1233 return err;
1234 o_found |= DL_OPT_PORT_COUNT;
1235 } else if (dl_argv_match(dl, "sb") &&
1236 (o_all & DL_OPT_SB)) {
1237 dl_arg_inc(dl);
1238 err = dl_argv_uint32_t(dl, &opts->sb_index);
1239 if (err)
1240 return err;
1241 o_found |= DL_OPT_SB;
1242 } else if (dl_argv_match(dl, "pool") &&
1243 (o_all & DL_OPT_SB_POOL)) {
1244 dl_arg_inc(dl);
1245 err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
1246 if (err)
1247 return err;
1248 o_found |= DL_OPT_SB_POOL;
1249 } else if (dl_argv_match(dl, "size") &&
1250 (o_all & DL_OPT_SB_SIZE)) {
1251 dl_arg_inc(dl);
1252 err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
1253 if (err)
1254 return err;
1255 o_found |= DL_OPT_SB_SIZE;
1256 } else if (dl_argv_match(dl, "type") &&
1257 (o_all & DL_OPT_SB_TYPE)) {
1258 const char *typestr;
1259
1260 dl_arg_inc(dl);
1261 err = dl_argv_str(dl, &typestr);
1262 if (err)
1263 return err;
1264 err = pool_type_get(typestr, &opts->sb_pool_type);
1265 if (err)
1266 return err;
1267 o_found |= DL_OPT_SB_TYPE;
1268 } else if (dl_argv_match(dl, "thtype") &&
1269 (o_all & DL_OPT_SB_THTYPE)) {
1270 const char *typestr;
1271
1272 dl_arg_inc(dl);
1273 err = dl_argv_str(dl, &typestr);
1274 if (err)
1275 return err;
1276 err = threshold_type_get(typestr,
1277 &opts->sb_pool_thtype);
1278 if (err)
1279 return err;
1280 o_found |= DL_OPT_SB_THTYPE;
1281 } else if (dl_argv_match(dl, "th") &&
1282 (o_all & DL_OPT_SB_TH)) {
1283 dl_arg_inc(dl);
1284 err = dl_argv_uint32_t(dl, &opts->sb_threshold);
1285 if (err)
1286 return err;
1287 o_found |= DL_OPT_SB_TH;
1288 } else if (dl_argv_match(dl, "tc") &&
1289 (o_all & DL_OPT_SB_TC)) {
1290 dl_arg_inc(dl);
1291 err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
1292 if (err)
1293 return err;
1294 o_found |= DL_OPT_SB_TC;
1295 } else if (dl_argv_match(dl, "mode") &&
1296 (o_all & DL_OPT_ESWITCH_MODE)) {
1297 const char *typestr;
1298
1299 dl_arg_inc(dl);
1300 err = dl_argv_str(dl, &typestr);
1301 if (err)
1302 return err;
1303 err = eswitch_mode_get(typestr, &opts->eswitch_mode);
1304 if (err)
1305 return err;
1306 o_found |= DL_OPT_ESWITCH_MODE;
1307 } else if (dl_argv_match(dl, "inline-mode") &&
1308 (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
1309 const char *typestr;
1310
1311 dl_arg_inc(dl);
1312 err = dl_argv_str(dl, &typestr);
1313 if (err)
1314 return err;
1315 err = eswitch_inline_mode_get(
1316 typestr, &opts->eswitch_inline_mode);
1317 if (err)
1318 return err;
1319 o_found |= DL_OPT_ESWITCH_INLINE_MODE;
1320 } else if (dl_argv_match(dl, "name") &&
1321 (o_all & DL_OPT_DPIPE_TABLE_NAME)) {
1322 dl_arg_inc(dl);
1323 err = dl_argv_str(dl, &opts->dpipe_table_name);
1324 if (err)
1325 return err;
1326 o_found |= DL_OPT_DPIPE_TABLE_NAME;
1327 } else if (dl_argv_match(dl, "counters") &&
1328 (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
1329 const char *typestr;
1330
1331 dl_arg_inc(dl);
1332 err = dl_argv_str(dl, &typestr);
1333 if (err)
1334 return err;
1335 err = dpipe_counters_enable_get(typestr,
1336 &opts->dpipe_counters_enable);
1337 if (err)
1338 return err;
1339 o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
1340 } else if (dl_argv_match(dl, "encap") &&
1341 (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
1342 const char *typestr;
1343
1344 dl_arg_inc(dl);
1345 err = dl_argv_str(dl, &typestr);
1346 if (err)
1347 return err;
1348 err = eswitch_encap_mode_get(typestr,
1349 &opts->eswitch_encap_mode);
1350 if (err)
1351 return err;
1352 o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
1353 } else if (dl_argv_match(dl, "path") &&
1354 (o_all & DL_OPT_RESOURCE_PATH)) {
1355 dl_arg_inc(dl);
1356 err = dl_argv_str(dl, &opts->resource_path);
1357 if (err)
1358 return err;
1359 o_found |= DL_OPT_RESOURCE_PATH;
1360 } else if (dl_argv_match(dl, "size") &&
1361 (o_all & DL_OPT_RESOURCE_SIZE)) {
1362 dl_arg_inc(dl);
1363 err = dl_argv_uint64_t(dl, &opts->resource_size);
1364 if (err)
1365 return err;
1366 o_found |= DL_OPT_RESOURCE_SIZE;
1367 } else if (dl_argv_match(dl, "name") &&
1368 (o_all & DL_OPT_PARAM_NAME)) {
1369 dl_arg_inc(dl);
1370 err = dl_argv_str(dl, &opts->param_name);
1371 if (err)
1372 return err;
1373 o_found |= DL_OPT_PARAM_NAME;
1374 } else if (dl_argv_match(dl, "value") &&
1375 (o_all & DL_OPT_PARAM_VALUE)) {
1376 dl_arg_inc(dl);
1377 err = dl_argv_str(dl, &opts->param_value);
1378 if (err)
1379 return err;
1380 o_found |= DL_OPT_PARAM_VALUE;
1381 } else if (dl_argv_match(dl, "cmode") &&
1382 (o_all & DL_OPT_PARAM_CMODE)) {
1383 const char *cmodestr;
1384
1385 dl_arg_inc(dl);
1386 err = dl_argv_str(dl, &cmodestr);
1387 if (err)
1388 return err;
1389 err = param_cmode_get(cmodestr, &opts->cmode);
1390 if (err)
1391 return err;
1392 o_found |= DL_OPT_PARAM_CMODE;
1393 } else if (dl_argv_match(dl, "snapshot") &&
1394 (o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
1395 dl_arg_inc(dl);
1396 err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
1397 if (err)
1398 return err;
1399 o_found |= DL_OPT_REGION_SNAPSHOT_ID;
1400 } else if (dl_argv_match(dl, "address") &&
1401 (o_all & DL_OPT_REGION_ADDRESS)) {
1402 dl_arg_inc(dl);
1403 err = dl_argv_uint64_t(dl, &opts->region_address);
1404 if (err)
1405 return err;
1406 o_found |= DL_OPT_REGION_ADDRESS;
1407 } else if (dl_argv_match(dl, "length") &&
1408 (o_all & DL_OPT_REGION_LENGTH)) {
1409 dl_arg_inc(dl);
1410 err = dl_argv_uint64_t(dl, &opts->region_length);
1411 if (err)
1412 return err;
1413 o_found |= DL_OPT_REGION_LENGTH;
1414 } else if (dl_argv_match(dl, "file") &&
1415 (o_all & DL_OPT_FLASH_FILE_NAME)) {
1416 dl_arg_inc(dl);
1417 err = dl_argv_str(dl, &opts->flash_file_name);
1418 if (err)
1419 return err;
1420 o_found |= DL_OPT_FLASH_FILE_NAME;
1421 } else if (dl_argv_match(dl, "component") &&
1422 (o_all & DL_OPT_FLASH_COMPONENT)) {
1423 dl_arg_inc(dl);
1424 err = dl_argv_str(dl, &opts->flash_component);
1425 if (err)
1426 return err;
1427 o_found |= DL_OPT_FLASH_COMPONENT;
1428 } else if (dl_argv_match(dl, "reporter") &&
1429 (o_all & DL_OPT_HEALTH_REPORTER_NAME)) {
1430 dl_arg_inc(dl);
1431 err = dl_argv_str(dl, &opts->reporter_name);
1432 if (err)
1433 return err;
1434 o_found |= DL_OPT_HEALTH_REPORTER_NAME;
1435 } else if (dl_argv_match(dl, "grace_period") &&
1436 (o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) {
1437 dl_arg_inc(dl);
1438 err = dl_argv_uint64_t(dl,
1439 &opts->reporter_graceful_period);
1440 if (err)
1441 return err;
1442 o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD;
1443 } else if (dl_argv_match(dl, "auto_recover") &&
1444 (o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) {
1445 dl_arg_inc(dl);
1446 err = dl_argv_bool(dl, &opts->reporter_auto_recover);
1447 if (err)
1448 return err;
1449 o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER;
1450 } else if (dl_argv_match(dl, "trap") &&
1451 (o_all & DL_OPT_TRAP_NAME)) {
1452 dl_arg_inc(dl);
1453 err = dl_argv_str(dl, &opts->trap_name);
1454 if (err)
1455 return err;
1456 o_found |= DL_OPT_TRAP_NAME;
1457 } else if (dl_argv_match(dl, "group") &&
1458 (o_all & DL_OPT_TRAP_GROUP_NAME)) {
1459 dl_arg_inc(dl);
1460 err = dl_argv_str(dl, &opts->trap_group_name);
1461 if (err)
1462 return err;
1463 o_found |= DL_OPT_TRAP_GROUP_NAME;
1464 } else if (dl_argv_match(dl, "action") &&
1465 (o_all & DL_OPT_TRAP_ACTION)) {
1466 const char *actionstr;
1467
1468 dl_arg_inc(dl);
1469 err = dl_argv_str(dl, &actionstr);
1470 if (err)
1471 return err;
1472 err = trap_action_get(actionstr, &opts->trap_action);
1473 if (err)
1474 return err;
1475 o_found |= DL_OPT_TRAP_ACTION;
1476 } else if (dl_argv_match(dl, "netns") &&
1477 (o_all & DL_OPT_NETNS)) {
1478 const char *netns_str;
1479
1480 dl_arg_inc(dl);
1481 err = dl_argv_str(dl, &netns_str);
1482 if (err)
1483 return err;
1484 opts->netns = netns_get_fd(netns_str);
1485 if ((int)opts->netns < 0) {
1486 dl_arg_dec(dl);
1487 err = dl_argv_uint32_t(dl, &opts->netns);
1488 if (err)
1489 return err;
1490 opts->netns_is_pid = true;
1491 }
1492 o_found |= DL_OPT_NETNS;
1493 } else {
1494 pr_err("Unknown option \"%s\"\n", dl_argv(dl));
1495 return -EINVAL;
1496 }
1497 }
1498
1499 opts->present = o_found;
1500
1501 if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
1502 opts->sb_index = 0;
1503 opts->present |= DL_OPT_SB;
1504 }
1505
1506 return dl_args_finding_required_validate(o_required, o_found);
1507 }
1508
1509 static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
1510 {
1511 struct dl_opts *opts = &dl->opts;
1512
1513 if (opts->present & DL_OPT_HANDLE) {
1514 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1515 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1516 } else if (opts->present & DL_OPT_HANDLEP) {
1517 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1518 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1519 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
1520 opts->port_index);
1521 } else if (opts->present & DL_OPT_HANDLE_REGION) {
1522 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1523 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1524 mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME,
1525 opts->region_name);
1526 }
1527 if (opts->present & DL_OPT_PORT_TYPE)
1528 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
1529 opts->port_type);
1530 if (opts->present & DL_OPT_PORT_COUNT)
1531 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
1532 opts->port_count);
1533 if (opts->present & DL_OPT_SB)
1534 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
1535 opts->sb_index);
1536 if (opts->present & DL_OPT_SB_POOL)
1537 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
1538 opts->sb_pool_index);
1539 if (opts->present & DL_OPT_SB_SIZE)
1540 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
1541 opts->sb_pool_size);
1542 if (opts->present & DL_OPT_SB_TYPE)
1543 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
1544 opts->sb_pool_type);
1545 if (opts->present & DL_OPT_SB_THTYPE)
1546 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
1547 opts->sb_pool_thtype);
1548 if (opts->present & DL_OPT_SB_TH)
1549 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
1550 opts->sb_threshold);
1551 if (opts->present & DL_OPT_SB_TC)
1552 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
1553 opts->sb_tc_index);
1554 if (opts->present & DL_OPT_ESWITCH_MODE)
1555 mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
1556 opts->eswitch_mode);
1557 if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
1558 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
1559 opts->eswitch_inline_mode);
1560 if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
1561 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
1562 opts->dpipe_table_name);
1563 if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
1564 mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
1565 opts->dpipe_counters_enable);
1566 if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
1567 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
1568 opts->eswitch_encap_mode);
1569 if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
1570 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
1571 opts->resource_id);
1572 if (opts->present & DL_OPT_RESOURCE_SIZE)
1573 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
1574 opts->resource_size);
1575 if (opts->present & DL_OPT_PARAM_NAME)
1576 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
1577 opts->param_name);
1578 if (opts->present & DL_OPT_PARAM_CMODE)
1579 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
1580 opts->cmode);
1581 if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
1582 mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
1583 opts->region_snapshot_id);
1584 if (opts->present & DL_OPT_REGION_ADDRESS)
1585 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
1586 opts->region_address);
1587 if (opts->present & DL_OPT_REGION_LENGTH)
1588 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
1589 opts->region_length);
1590 if (opts->present & DL_OPT_FLASH_FILE_NAME)
1591 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME,
1592 opts->flash_file_name);
1593 if (opts->present & DL_OPT_FLASH_COMPONENT)
1594 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT,
1595 opts->flash_component);
1596 if (opts->present & DL_OPT_HEALTH_REPORTER_NAME)
1597 mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
1598 opts->reporter_name);
1599 if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)
1600 mnl_attr_put_u64(nlh,
1601 DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
1602 opts->reporter_graceful_period);
1603 if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)
1604 mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
1605 opts->reporter_auto_recover);
1606 if (opts->present & DL_OPT_TRAP_NAME)
1607 mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_NAME,
1608 opts->trap_name);
1609 if (opts->present & DL_OPT_TRAP_GROUP_NAME)
1610 mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_GROUP_NAME,
1611 opts->trap_group_name);
1612 if (opts->present & DL_OPT_TRAP_ACTION)
1613 mnl_attr_put_u8(nlh, DEVLINK_ATTR_TRAP_ACTION,
1614 opts->trap_action);
1615 if (opts->present & DL_OPT_NETNS)
1616 mnl_attr_put_u32(nlh,
1617 opts->netns_is_pid ? DEVLINK_ATTR_NETNS_PID :
1618 DEVLINK_ATTR_NETNS_FD,
1619 opts->netns);
1620 }
1621
1622 static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
1623 uint64_t o_required, uint64_t o_optional)
1624 {
1625 int err;
1626
1627 err = dl_argv_parse(dl, o_required, o_optional);
1628 if (err)
1629 return err;
1630 dl_opts_put(nlh, dl);
1631 return 0;
1632 }
1633
1634 static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
1635 {
1636 struct dl_opts *opts = &dl->opts;
1637 struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
1638 struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
1639 struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
1640 struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
1641
1642 if (opts->present & DL_OPT_HANDLE &&
1643 attr_bus_name && attr_dev_name) {
1644 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1645 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1646
1647 if (strcmp(bus_name, opts->bus_name) != 0 ||
1648 strcmp(dev_name, opts->dev_name) != 0)
1649 return false;
1650 }
1651 if (opts->present & DL_OPT_HANDLEP &&
1652 attr_bus_name && attr_dev_name && attr_port_index) {
1653 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1654 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1655 uint32_t port_index = mnl_attr_get_u32(attr_port_index);
1656
1657 if (strcmp(bus_name, opts->bus_name) != 0 ||
1658 strcmp(dev_name, opts->dev_name) != 0 ||
1659 port_index != opts->port_index)
1660 return false;
1661 }
1662 if (opts->present & DL_OPT_SB && attr_sb_index) {
1663 uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
1664
1665 if (sb_index != opts->sb_index)
1666 return false;
1667 }
1668 return true;
1669 }
1670
1671 static void cmd_dev_help(void)
1672 {
1673 pr_err("Usage: devlink dev show [ DEV ]\n");
1674 pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
1675 pr_err(" [ inline-mode { none | link | network | transport } ]\n");
1676 pr_err(" [ encap { disable | enable } ]\n");
1677 pr_err(" devlink dev eswitch show DEV\n");
1678 pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
1679 pr_err(" devlink dev param show [DEV name PARAMETER]\n");
1680 pr_err(" devlink dev reload DEV [ netns { PID | NAME | ID } ]\n");
1681 pr_err(" devlink dev info [ DEV ]\n");
1682 pr_err(" devlink dev flash DEV file PATH [ component NAME ]\n");
1683 }
1684
1685 static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
1686 const char *dev_name)
1687 {
1688 if (!dl->arr_last.present)
1689 return false;
1690 return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
1691 strcmp(dl->arr_last.dev_name, dev_name) == 0;
1692 }
1693
1694 static void arr_last_handle_set(struct dl *dl, const char *bus_name,
1695 const char *dev_name)
1696 {
1697 dl->arr_last.present = true;
1698 free(dl->arr_last.dev_name);
1699 free(dl->arr_last.bus_name);
1700 dl->arr_last.bus_name = strdup(bus_name);
1701 dl->arr_last.dev_name = strdup(dev_name);
1702 }
1703
1704 static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
1705 const char *dev_name)
1706 {
1707 return !cmp_arr_last_handle(dl, bus_name, dev_name);
1708 }
1709
1710 static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
1711 const char *dev_name)
1712 {
1713 return dl->arr_last.present &&
1714 !cmp_arr_last_handle(dl, bus_name, dev_name);
1715 }
1716
1717 static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
1718 bool content, bool array)
1719 {
1720 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1721 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1722 char buf[64];
1723
1724 sprintf(buf, "%s/%s", bus_name, dev_name);
1725
1726 if (dl->json_output) {
1727 if (array) {
1728 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1729 close_json_array(PRINT_JSON, NULL);
1730 if (should_arr_last_handle_start(dl, bus_name,
1731 dev_name)) {
1732 open_json_array(PRINT_JSON, buf);
1733 open_json_object(NULL);
1734 arr_last_handle_set(dl, bus_name, dev_name);
1735 } else {
1736 open_json_object(NULL);
1737 }
1738 } else {
1739 open_json_object(buf);
1740 }
1741 } else {
1742 if (array) {
1743 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1744 __pr_out_indent_dec();
1745 if (should_arr_last_handle_start(dl, bus_name,
1746 dev_name)) {
1747 pr_out("%s%s", buf, content ? ":" : "");
1748 __pr_out_newline();
1749 __pr_out_indent_inc();
1750 arr_last_handle_set(dl, bus_name, dev_name);
1751 }
1752 } else {
1753 pr_out("%s%s", buf, content ? ":" : "");
1754 }
1755 }
1756 }
1757
1758 static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
1759 {
1760 __pr_out_handle_start(dl, tb, true, true);
1761 }
1762
1763 static void pr_out_handle_end(struct dl *dl)
1764 {
1765 if (dl->json_output)
1766 close_json_object();
1767 else
1768 __pr_out_newline();
1769 }
1770
1771 static void pr_out_handle(struct dl *dl, struct nlattr **tb)
1772 {
1773 __pr_out_handle_start(dl, tb, false, false);
1774 pr_out_handle_end(dl);
1775 }
1776
1777 static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
1778 const char *dev_name, uint32_t port_index)
1779 {
1780 return cmp_arr_last_handle(dl, bus_name, dev_name) &&
1781 dl->arr_last.port_index == port_index;
1782 }
1783
1784 static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
1785 const char *dev_name, uint32_t port_index)
1786 {
1787 arr_last_handle_set(dl, bus_name, dev_name);
1788 dl->arr_last.port_index = port_index;
1789 }
1790
1791 static bool should_arr_last_port_handle_start(struct dl *dl,
1792 const char *bus_name,
1793 const char *dev_name,
1794 uint32_t port_index)
1795 {
1796 return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1797 }
1798
1799 static bool should_arr_last_port_handle_end(struct dl *dl,
1800 const char *bus_name,
1801 const char *dev_name,
1802 uint32_t port_index)
1803 {
1804 return dl->arr_last.present &&
1805 !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1806 }
1807
1808 static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
1809 const char *dev_name,
1810 uint32_t port_index, bool try_nice,
1811 bool array)
1812 {
1813 static char buf[64];
1814 char *ifname = NULL;
1815
1816 if (dl->no_nice_names || !try_nice ||
1817 ifname_map_rev_lookup(dl, bus_name, dev_name,
1818 port_index, &ifname) != 0)
1819 sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
1820 else
1821 sprintf(buf, "%s", ifname);
1822
1823 if (dl->json_output) {
1824 if (array) {
1825 if (should_arr_last_port_handle_end(dl, bus_name,
1826 dev_name,
1827 port_index))
1828 close_json_array(PRINT_JSON, NULL);
1829 if (should_arr_last_port_handle_start(dl, bus_name,
1830 dev_name,
1831 port_index)) {
1832 open_json_array(PRINT_JSON, buf);
1833 open_json_object(NULL);
1834 arr_last_port_handle_set(dl, bus_name, dev_name,
1835 port_index);
1836 } else {
1837 open_json_object(NULL);
1838 }
1839 } else {
1840 open_json_object(buf);
1841 }
1842 } else {
1843 pr_out("%s:", buf);
1844 }
1845 }
1846
1847 static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
1848 {
1849 const char *bus_name;
1850 const char *dev_name;
1851 uint32_t port_index;
1852
1853 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1854 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1855 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1856 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
1857 }
1858
1859 static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
1860 {
1861 const char *bus_name;
1862 const char *dev_name;
1863 uint32_t port_index;
1864
1865 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1866 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1867 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1868 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
1869 }
1870
1871 static void pr_out_port_handle_end(struct dl *dl)
1872 {
1873 if (dl->json_output)
1874 close_json_object();
1875 else
1876 pr_out("\n");
1877 }
1878
1879 static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
1880 {
1881 __pr_out_indent_newline(dl);
1882 if (val == (uint64_t) -1)
1883 return print_string_name_value(name, "unlimited");
1884
1885 if (dl->json_output)
1886 print_u64(PRINT_JSON, name, NULL, val);
1887 else
1888 pr_out("%s %"PRIu64, name, val);
1889 }
1890
1891 static bool is_binary_eol(int i)
1892 {
1893 return !(i%16);
1894 }
1895
1896 static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
1897 {
1898 int i = 0;
1899
1900 while (i < len) {
1901 if (dl->json_output)
1902 print_int(PRINT_JSON, NULL, NULL, data[i]);
1903 else
1904 pr_out("%02x ", data[i]);
1905 i++;
1906 if (!dl->json_output && is_binary_eol(i))
1907 __pr_out_newline();
1908 }
1909 if (!dl->json_output && !is_binary_eol(i))
1910 __pr_out_newline();
1911 }
1912
1913 static void pr_out_name(struct dl *dl, const char *name)
1914 {
1915 __pr_out_indent_newline(dl);
1916 if (dl->json_output)
1917 print_string(PRINT_JSON, name, NULL, NULL);
1918 else
1919 pr_out("%s:", name);
1920 }
1921
1922 static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
1923 {
1924 if (dl->json_output) {
1925 print_uint(PRINT_JSON, "address", NULL, addr);
1926 open_json_array(PRINT_JSON, "data");
1927 }
1928 }
1929
1930 static void pr_out_region_chunk_end(struct dl *dl)
1931 {
1932 if (dl->json_output)
1933 close_json_array(PRINT_JSON, NULL);
1934 }
1935
1936 static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
1937 uint64_t addr)
1938 {
1939 static uint64_t align_val;
1940 uint32_t i = 0;
1941
1942 pr_out_region_chunk_start(dl, addr);
1943 while (i < len) {
1944 if (!dl->json_output)
1945 if (!(align_val % 16))
1946 pr_out("%s%016"PRIx64" ",
1947 align_val ? "\n" : "",
1948 addr);
1949
1950 align_val++;
1951
1952 if (dl->json_output)
1953 print_int(PRINT_JSON, NULL, NULL, data[i]);
1954 else
1955 pr_out("%02x ", data[i]);
1956
1957 addr++;
1958 i++;
1959 }
1960 pr_out_region_chunk_end(dl);
1961 }
1962
1963 static void pr_out_section_start(struct dl *dl, const char *name)
1964 {
1965 if (dl->json_output) {
1966 open_json_object(NULL);
1967 open_json_object(name);
1968 }
1969 }
1970
1971 static void pr_out_section_end(struct dl *dl)
1972 {
1973 if (dl->json_output) {
1974 if (dl->arr_last.present)
1975 close_json_array(PRINT_JSON, NULL);
1976 close_json_object();
1977 close_json_object();
1978 }
1979 }
1980
1981 static void pr_out_array_start(struct dl *dl, const char *name)
1982 {
1983 if (dl->json_output) {
1984 open_json_array(PRINT_JSON, name);
1985 } else {
1986 __pr_out_indent_inc();
1987 __pr_out_newline();
1988 pr_out("%s:", name);
1989 __pr_out_indent_inc();
1990 __pr_out_newline();
1991 }
1992 }
1993
1994 static void pr_out_array_end(struct dl *dl)
1995 {
1996 if (dl->json_output) {
1997 close_json_array(PRINT_JSON, NULL);
1998 } else {
1999 __pr_out_indent_dec();
2000 __pr_out_indent_dec();
2001 }
2002 }
2003
2004 static void pr_out_object_start(struct dl *dl, const char *name)
2005 {
2006 if (dl->json_output) {
2007 open_json_object(name);
2008 } else {
2009 __pr_out_indent_inc();
2010 __pr_out_newline();
2011 pr_out("%s:", name);
2012 __pr_out_indent_inc();
2013 __pr_out_newline();
2014 }
2015 }
2016
2017 static void pr_out_object_end(struct dl *dl)
2018 {
2019 if (dl->json_output) {
2020 close_json_object();
2021 } else {
2022 __pr_out_indent_dec();
2023 __pr_out_indent_dec();
2024 }
2025 }
2026
2027 static void pr_out_entry_start(struct dl *dl)
2028 {
2029 if (dl->json_output)
2030 open_json_object(NULL);
2031 }
2032
2033 static void pr_out_entry_end(struct dl *dl)
2034 {
2035 if (dl->json_output)
2036 close_json_object();
2037 else
2038 __pr_out_newline();
2039 }
2040
2041 static void pr_out_stats(struct dl *dl, struct nlattr *nla_stats)
2042 {
2043 struct nlattr *tb[DEVLINK_ATTR_STATS_MAX + 1] = {};
2044 int err;
2045
2046 if (!dl->stats)
2047 return;
2048
2049 err = mnl_attr_parse_nested(nla_stats, attr_stats_cb, tb);
2050 if (err != MNL_CB_OK)
2051 return;
2052
2053 pr_out_object_start(dl, "stats");
2054 pr_out_object_start(dl, "rx");
2055 if (tb[DEVLINK_ATTR_STATS_RX_BYTES])
2056 pr_out_u64(dl, "bytes",
2057 mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_BYTES]));
2058 if (tb[DEVLINK_ATTR_STATS_RX_PACKETS])
2059 pr_out_u64(dl, "packets",
2060 mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_PACKETS]));
2061 pr_out_object_end(dl);
2062 pr_out_object_end(dl);
2063 }
2064
2065 static const char *param_cmode_name(uint8_t cmode)
2066 {
2067 switch (cmode) {
2068 case DEVLINK_PARAM_CMODE_RUNTIME:
2069 return PARAM_CMODE_RUNTIME_STR;
2070 case DEVLINK_PARAM_CMODE_DRIVERINIT:
2071 return PARAM_CMODE_DRIVERINIT_STR;
2072 case DEVLINK_PARAM_CMODE_PERMANENT:
2073 return PARAM_CMODE_PERMANENT_STR;
2074 default: return "<unknown type>";
2075 }
2076 }
2077
2078 static const char *eswitch_mode_name(uint32_t mode)
2079 {
2080 switch (mode) {
2081 case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
2082 case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
2083 default: return "<unknown mode>";
2084 }
2085 }
2086
2087 static const char *eswitch_inline_mode_name(uint32_t mode)
2088 {
2089 switch (mode) {
2090 case DEVLINK_ESWITCH_INLINE_MODE_NONE:
2091 return ESWITCH_INLINE_MODE_NONE;
2092 case DEVLINK_ESWITCH_INLINE_MODE_LINK:
2093 return ESWITCH_INLINE_MODE_LINK;
2094 case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
2095 return ESWITCH_INLINE_MODE_NETWORK;
2096 case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
2097 return ESWITCH_INLINE_MODE_TRANSPORT;
2098 default:
2099 return "<unknown mode>";
2100 }
2101 }
2102
2103 static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
2104 {
2105 __pr_out_handle_start(dl, tb, true, false);
2106
2107 if (tb[DEVLINK_ATTR_ESWITCH_MODE]) {
2108 check_indent_newline(dl);
2109 print_string(PRINT_ANY, "mode", "mode %s",
2110 eswitch_mode_name(mnl_attr_get_u16(
2111 tb[DEVLINK_ATTR_ESWITCH_MODE])));
2112 }
2113 if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) {
2114 check_indent_newline(dl);
2115 print_string(PRINT_ANY, "inline-mode", "inline-mode %s",
2116 eswitch_inline_mode_name(mnl_attr_get_u8(
2117 tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
2118 }
2119 if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
2120 bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
2121
2122 check_indent_newline(dl);
2123 print_string(PRINT_ANY, "encap", "encap %s",
2124 encap_mode ? "enable" : "disable");
2125 }
2126
2127 pr_out_handle_end(dl);
2128 }
2129
2130 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
2131 {
2132 struct dl *dl = data;
2133 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2134 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2135
2136 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2137 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2138 return MNL_CB_ERROR;
2139 pr_out_eswitch(dl, tb);
2140 return MNL_CB_OK;
2141 }
2142
2143 static int cmd_dev_eswitch_show(struct dl *dl)
2144 {
2145 struct nlmsghdr *nlh;
2146 int err;
2147
2148 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
2149 NLM_F_REQUEST | NLM_F_ACK);
2150
2151 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2152 if (err)
2153 return err;
2154
2155 pr_out_section_start(dl, "dev");
2156 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
2157 pr_out_section_end(dl);
2158 return err;
2159 }
2160
2161 static int cmd_dev_eswitch_set(struct dl *dl)
2162 {
2163 struct nlmsghdr *nlh;
2164 int err;
2165
2166 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
2167 NLM_F_REQUEST | NLM_F_ACK);
2168
2169 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
2170 DL_OPT_ESWITCH_MODE |
2171 DL_OPT_ESWITCH_INLINE_MODE |
2172 DL_OPT_ESWITCH_ENCAP_MODE);
2173
2174 if (err)
2175 return err;
2176
2177 if (dl->opts.present == 1) {
2178 pr_err("Need to set at least one option\n");
2179 return -ENOENT;
2180 }
2181
2182 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2183 }
2184
2185 static int cmd_dev_eswitch(struct dl *dl)
2186 {
2187 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2188 cmd_dev_help();
2189 return 0;
2190 } else if (dl_argv_match(dl, "set")) {
2191 dl_arg_inc(dl);
2192 return cmd_dev_eswitch_set(dl);
2193 } else if (dl_argv_match(dl, "show")) {
2194 dl_arg_inc(dl);
2195 return cmd_dev_eswitch_show(dl);
2196 }
2197 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2198 return -ENOENT;
2199 }
2200
2201 struct param_val_conv {
2202 const char *name;
2203 const char *vstr;
2204 uint32_t vuint;
2205 };
2206
2207 static bool param_val_conv_exists(const struct param_val_conv *param_val_conv,
2208 uint32_t len, const char *name)
2209 {
2210 uint32_t i;
2211
2212 for (i = 0; i < len; i++)
2213 if (!strcmp(param_val_conv[i].name, name))
2214 return true;
2215
2216 return false;
2217 }
2218
2219 static int
2220 param_val_conv_uint_get(const struct param_val_conv *param_val_conv,
2221 uint32_t len, const char *name, const char *vstr,
2222 uint32_t *vuint)
2223 {
2224 uint32_t i;
2225
2226 for (i = 0; i < len; i++)
2227 if (!strcmp(param_val_conv[i].name, name) &&
2228 !strcmp(param_val_conv[i].vstr, vstr)) {
2229 *vuint = param_val_conv[i].vuint;
2230 return 0;
2231 }
2232
2233 return -ENOENT;
2234 }
2235
2236 static int
2237 param_val_conv_str_get(const struct param_val_conv *param_val_conv,
2238 uint32_t len, const char *name, uint32_t vuint,
2239 const char **vstr)
2240 {
2241 uint32_t i;
2242
2243 for (i = 0; i < len; i++)
2244 if (!strcmp(param_val_conv[i].name, name) &&
2245 param_val_conv[i].vuint == vuint) {
2246 *vstr = param_val_conv[i].vstr;
2247 return 0;
2248 }
2249
2250 return -ENOENT;
2251 }
2252
2253 static const struct param_val_conv param_val_conv[] = {
2254 {
2255 .name = "fw_load_policy",
2256 .vstr = "driver",
2257 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
2258 },
2259 {
2260 .name = "fw_load_policy",
2261 .vstr = "flash",
2262 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
2263 },
2264 {
2265 .name = "reset_dev_on_drv_probe",
2266 .vstr = "unknown",
2267 .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN,
2268 },
2269 {
2270 .name = "fw_load_policy",
2271 .vstr = "unknown",
2272 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN,
2273 },
2274 {
2275 .name = "reset_dev_on_drv_probe",
2276 .vstr = "always",
2277 .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS,
2278 },
2279 {
2280 .name = "reset_dev_on_drv_probe",
2281 .vstr = "never",
2282 .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER,
2283 },
2284 {
2285 .name = "reset_dev_on_drv_probe",
2286 .vstr = "disk",
2287 .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK,
2288 },
2289 };
2290
2291 #define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv)
2292
2293 static void pr_out_param_value(struct dl *dl, const char *nla_name,
2294 int nla_type, struct nlattr *nl)
2295 {
2296 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2297 struct nlattr *val_attr;
2298 const char *vstr;
2299 bool conv_exists;
2300 int err;
2301
2302 err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
2303 if (err != MNL_CB_OK)
2304 return;
2305
2306 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2307 (nla_type != MNL_TYPE_FLAG &&
2308 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2309 return;
2310
2311 check_indent_newline(dl);
2312 print_string(PRINT_ANY, "cmode", "cmode %s",
2313 param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
2314
2315 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2316
2317 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2318 nla_name);
2319
2320 switch (nla_type) {
2321 case MNL_TYPE_U8:
2322 if (conv_exists) {
2323 err = param_val_conv_str_get(param_val_conv,
2324 PARAM_VAL_CONV_LEN,
2325 nla_name,
2326 mnl_attr_get_u8(val_attr),
2327 &vstr);
2328 if (err)
2329 return;
2330 print_string(PRINT_ANY, "value", " value %s", vstr);
2331 } else {
2332 print_uint(PRINT_ANY, "value", " value %u",
2333 mnl_attr_get_u8(val_attr));
2334 }
2335 break;
2336 case MNL_TYPE_U16:
2337 if (conv_exists) {
2338 err = param_val_conv_str_get(param_val_conv,
2339 PARAM_VAL_CONV_LEN,
2340 nla_name,
2341 mnl_attr_get_u16(val_attr),
2342 &vstr);
2343 if (err)
2344 return;
2345 print_string(PRINT_ANY, "value", " value %s", vstr);
2346 } else {
2347 print_uint(PRINT_ANY, "value", " value %u",
2348 mnl_attr_get_u16(val_attr));
2349 }
2350 break;
2351 case MNL_TYPE_U32:
2352 if (conv_exists) {
2353 err = param_val_conv_str_get(param_val_conv,
2354 PARAM_VAL_CONV_LEN,
2355 nla_name,
2356 mnl_attr_get_u32(val_attr),
2357 &vstr);
2358 if (err)
2359 return;
2360 print_string(PRINT_ANY, "value", " value %s", vstr);
2361 } else {
2362 print_uint(PRINT_ANY, "value", " value %u",
2363 mnl_attr_get_u32(val_attr));
2364 }
2365 break;
2366 case MNL_TYPE_STRING:
2367 print_string(PRINT_ANY, "value", " value %s",
2368 mnl_attr_get_str(val_attr));
2369 break;
2370 case MNL_TYPE_FLAG:
2371 print_bool(PRINT_ANY, "value", " value %s", val_attr);
2372 break;
2373 }
2374 }
2375
2376 static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
2377 {
2378 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2379 struct nlattr *param_value_attr;
2380 const char *nla_name;
2381 int nla_type;
2382 int err;
2383
2384 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2385 if (err != MNL_CB_OK)
2386 return;
2387 if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
2388 !nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2389 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2390 return;
2391
2392 if (array)
2393 pr_out_handle_start_arr(dl, tb);
2394 else
2395 __pr_out_handle_start(dl, tb, true, false);
2396
2397 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2398
2399 nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]);
2400 check_indent_newline(dl);
2401 print_string(PRINT_ANY, "name", "name %s ", nla_name);
2402 if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
2403 print_string(PRINT_ANY, "type", "type %s", "driver-specific");
2404 else
2405 print_string(PRINT_ANY, "type", "type %s", "generic");
2406
2407 pr_out_array_start(dl, "values");
2408 mnl_attr_for_each_nested(param_value_attr,
2409 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2410 pr_out_entry_start(dl);
2411 pr_out_param_value(dl, nla_name, nla_type, param_value_attr);
2412 pr_out_entry_end(dl);
2413 }
2414 pr_out_array_end(dl);
2415 pr_out_handle_end(dl);
2416 }
2417
2418 static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
2419 {
2420 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2421 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2422 struct dl *dl = data;
2423
2424 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2425 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2426 !tb[DEVLINK_ATTR_PARAM])
2427 return MNL_CB_ERROR;
2428 pr_out_param(dl, tb, true);
2429 return MNL_CB_OK;
2430 }
2431
2432 struct param_ctx {
2433 struct dl *dl;
2434 int nla_type;
2435 union {
2436 uint8_t vu8;
2437 uint16_t vu16;
2438 uint32_t vu32;
2439 const char *vstr;
2440 bool vbool;
2441 } value;
2442 };
2443
2444 static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
2445 {
2446 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2447 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2448 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2449 struct nlattr *param_value_attr;
2450 enum devlink_param_cmode cmode;
2451 struct param_ctx *ctx = data;
2452 struct dl *dl = ctx->dl;
2453 int nla_type;
2454 int err;
2455
2456 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2457 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2458 !tb[DEVLINK_ATTR_PARAM])
2459 return MNL_CB_ERROR;
2460
2461 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2462 if (err != MNL_CB_OK)
2463 return MNL_CB_ERROR;
2464
2465 if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2466 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2467 return MNL_CB_ERROR;
2468
2469 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2470 mnl_attr_for_each_nested(param_value_attr,
2471 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2472 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2473 struct nlattr *val_attr;
2474
2475 err = mnl_attr_parse_nested(param_value_attr,
2476 attr_cb, nla_value);
2477 if (err != MNL_CB_OK)
2478 return MNL_CB_ERROR;
2479
2480 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2481 (nla_type != MNL_TYPE_FLAG &&
2482 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2483 return MNL_CB_ERROR;
2484
2485 cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
2486 if (cmode == dl->opts.cmode) {
2487 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2488 switch (nla_type) {
2489 case MNL_TYPE_U8:
2490 ctx->value.vu8 = mnl_attr_get_u8(val_attr);
2491 break;
2492 case MNL_TYPE_U16:
2493 ctx->value.vu16 = mnl_attr_get_u16(val_attr);
2494 break;
2495 case MNL_TYPE_U32:
2496 ctx->value.vu32 = mnl_attr_get_u32(val_attr);
2497 break;
2498 case MNL_TYPE_STRING:
2499 ctx->value.vstr = mnl_attr_get_str(val_attr);
2500 break;
2501 case MNL_TYPE_FLAG:
2502 ctx->value.vbool = val_attr ? true : false;
2503 break;
2504 }
2505 break;
2506 }
2507 }
2508 ctx->nla_type = nla_type;
2509 return MNL_CB_OK;
2510 }
2511
2512 static int cmd_dev_param_set(struct dl *dl)
2513 {
2514 struct param_ctx ctx = {};
2515 struct nlmsghdr *nlh;
2516 bool conv_exists;
2517 uint32_t val_u32;
2518 uint16_t val_u16;
2519 uint8_t val_u8;
2520 bool val_bool;
2521 int err;
2522
2523 err = dl_argv_parse(dl, DL_OPT_HANDLE |
2524 DL_OPT_PARAM_NAME |
2525 DL_OPT_PARAM_VALUE |
2526 DL_OPT_PARAM_CMODE, 0);
2527 if (err)
2528 return err;
2529
2530 /* Get value type */
2531 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
2532 NLM_F_REQUEST | NLM_F_ACK);
2533 dl_opts_put(nlh, dl);
2534
2535 ctx.dl = dl;
2536 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
2537 if (err)
2538 return err;
2539
2540 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
2541 NLM_F_REQUEST | NLM_F_ACK);
2542 dl_opts_put(nlh, dl);
2543
2544 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2545 dl->opts.param_name);
2546
2547 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
2548 switch (ctx.nla_type) {
2549 case MNL_TYPE_U8:
2550 if (conv_exists) {
2551 err = param_val_conv_uint_get(param_val_conv,
2552 PARAM_VAL_CONV_LEN,
2553 dl->opts.param_name,
2554 dl->opts.param_value,
2555 &val_u32);
2556 val_u8 = val_u32;
2557 } else {
2558 err = strtouint8_t(dl->opts.param_value, &val_u8);
2559 }
2560 if (err)
2561 goto err_param_value_parse;
2562 if (val_u8 == ctx.value.vu8)
2563 return 0;
2564 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
2565 break;
2566 case MNL_TYPE_U16:
2567 if (conv_exists) {
2568 err = param_val_conv_uint_get(param_val_conv,
2569 PARAM_VAL_CONV_LEN,
2570 dl->opts.param_name,
2571 dl->opts.param_value,
2572 &val_u32);
2573 val_u16 = val_u32;
2574 } else {
2575 err = strtouint16_t(dl->opts.param_value, &val_u16);
2576 }
2577 if (err)
2578 goto err_param_value_parse;
2579 if (val_u16 == ctx.value.vu16)
2580 return 0;
2581 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
2582 break;
2583 case MNL_TYPE_U32:
2584 if (conv_exists)
2585 err = param_val_conv_uint_get(param_val_conv,
2586 PARAM_VAL_CONV_LEN,
2587 dl->opts.param_name,
2588 dl->opts.param_value,
2589 &val_u32);
2590 else
2591 err = strtouint32_t(dl->opts.param_value, &val_u32);
2592 if (err)
2593 goto err_param_value_parse;
2594 if (val_u32 == ctx.value.vu32)
2595 return 0;
2596 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
2597 break;
2598 case MNL_TYPE_FLAG:
2599 err = strtobool(dl->opts.param_value, &val_bool);
2600 if (err)
2601 goto err_param_value_parse;
2602 if (val_bool == ctx.value.vbool)
2603 return 0;
2604 if (val_bool)
2605 mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2606 0, NULL);
2607 break;
2608 case MNL_TYPE_STRING:
2609 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2610 dl->opts.param_value);
2611 if (!strcmp(dl->opts.param_value, ctx.value.vstr))
2612 return 0;
2613 break;
2614 default:
2615 printf("Value type not supported\n");
2616 return -ENOTSUP;
2617 }
2618 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2619
2620 err_param_value_parse:
2621 pr_err("Value \"%s\" is not a number or not within range\n",
2622 dl->opts.param_value);
2623 return err;
2624 }
2625
2626 static int cmd_dev_param_show(struct dl *dl)
2627 {
2628 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2629 struct nlmsghdr *nlh;
2630 int err;
2631
2632 if (dl_argc(dl) == 0)
2633 flags |= NLM_F_DUMP;
2634
2635 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
2636
2637 if (dl_argc(dl) > 0) {
2638 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
2639 DL_OPT_PARAM_NAME, 0);
2640 if (err)
2641 return err;
2642 }
2643
2644 pr_out_section_start(dl, "param");
2645 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
2646 pr_out_section_end(dl);
2647 return err;
2648 }
2649
2650 static int cmd_dev_param(struct dl *dl)
2651 {
2652 if (dl_argv_match(dl, "help")) {
2653 cmd_dev_help();
2654 return 0;
2655 } else if (dl_argv_match(dl, "show") ||
2656 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2657 dl_arg_inc(dl);
2658 return cmd_dev_param_show(dl);
2659 } else if (dl_argv_match(dl, "set")) {
2660 dl_arg_inc(dl);
2661 return cmd_dev_param_set(dl);
2662 }
2663 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2664 return -ENOENT;
2665 }
2666 static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
2667 {
2668 struct dl *dl = data;
2669 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2670 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2671 uint8_t reload_failed = 0;
2672
2673 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2674 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2675 return MNL_CB_ERROR;
2676
2677 if (tb[DEVLINK_ATTR_RELOAD_FAILED])
2678 reload_failed = mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED]);
2679
2680 if (reload_failed) {
2681 __pr_out_handle_start(dl, tb, true, false);
2682 check_indent_newline(dl);
2683 print_bool(PRINT_ANY, "reload_failed", "reload_failed %s", true);
2684 pr_out_handle_end(dl);
2685 } else {
2686 pr_out_handle(dl, tb);
2687 }
2688
2689 return MNL_CB_OK;
2690 }
2691
2692 static int cmd_dev_show(struct dl *dl)
2693 {
2694 struct nlmsghdr *nlh;
2695 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2696 int err;
2697
2698 if (dl_argc(dl) == 0)
2699 flags |= NLM_F_DUMP;
2700
2701 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
2702
2703 if (dl_argc(dl) > 0) {
2704 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2705 if (err)
2706 return err;
2707 }
2708
2709 pr_out_section_start(dl, "dev");
2710 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
2711 pr_out_section_end(dl);
2712 return err;
2713 }
2714
2715 static void cmd_dev_reload_help(void)
2716 {
2717 pr_err("Usage: devlink dev reload DEV [ netns { PID | NAME | ID } ]\n");
2718 }
2719
2720 static int cmd_dev_reload(struct dl *dl)
2721 {
2722 struct nlmsghdr *nlh;
2723 int err;
2724
2725 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2726 cmd_dev_reload_help();
2727 return 0;
2728 }
2729
2730 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
2731 NLM_F_REQUEST | NLM_F_ACK);
2732
2733 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_NETNS);
2734 if (err)
2735 return err;
2736
2737 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2738 }
2739
2740 static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh,
2741 const char *name, int type)
2742 {
2743 struct nlattr *version;
2744
2745 mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) {
2746 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2747 const char *ver_value;
2748 const char *ver_name;
2749 int err;
2750
2751 if (mnl_attr_get_type(version) != type)
2752 continue;
2753
2754 err = mnl_attr_parse_nested(version, attr_cb, tb);
2755 if (err != MNL_CB_OK)
2756 continue;
2757
2758 if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] ||
2759 !tb[DEVLINK_ATTR_INFO_VERSION_VALUE])
2760 continue;
2761
2762 if (name) {
2763 pr_out_object_start(dl, name);
2764 name = NULL;
2765 }
2766
2767 ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]);
2768 ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]);
2769
2770 check_indent_newline(dl);
2771 print_string_name_value(ver_name, ver_value);
2772 if (!dl->json_output)
2773 __pr_out_newline();
2774 }
2775
2776 if (!name)
2777 pr_out_object_end(dl);
2778 }
2779
2780 static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh,
2781 struct nlattr **tb, bool has_versions)
2782 {
2783 __pr_out_handle_start(dl, tb, true, false);
2784
2785 __pr_out_indent_inc();
2786 if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) {
2787 struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME];
2788
2789 if (!dl->json_output)
2790 __pr_out_newline();
2791 check_indent_newline(dl);
2792 print_string(PRINT_ANY, "driver", "driver %s",
2793 mnl_attr_get_str(nla_drv));
2794 }
2795
2796 if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) {
2797 struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER];
2798
2799 if (!dl->json_output)
2800 __pr_out_newline();
2801 check_indent_newline(dl);
2802 print_string(PRINT_ANY, "serial_number", "serial_number %s",
2803 mnl_attr_get_str(nla_sn));
2804 }
2805 __pr_out_indent_dec();
2806
2807 if (has_versions) {
2808 pr_out_object_start(dl, "versions");
2809
2810 pr_out_versions_single(dl, nlh, "fixed",
2811 DEVLINK_ATTR_INFO_VERSION_FIXED);
2812 pr_out_versions_single(dl, nlh, "running",
2813 DEVLINK_ATTR_INFO_VERSION_RUNNING);
2814 pr_out_versions_single(dl, nlh, "stored",
2815 DEVLINK_ATTR_INFO_VERSION_STORED);
2816
2817 pr_out_object_end(dl);
2818 }
2819
2820 pr_out_handle_end(dl);
2821 }
2822
2823 static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data)
2824 {
2825 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2826 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2827 bool has_versions, has_info;
2828 struct dl *dl = data;
2829
2830 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2831
2832 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2833 return MNL_CB_ERROR;
2834
2835 has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] ||
2836 tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] ||
2837 tb[DEVLINK_ATTR_INFO_VERSION_STORED];
2838 has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] ||
2839 tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] ||
2840 has_versions;
2841
2842 if (has_info)
2843 pr_out_info(dl, nlh, tb, has_versions);
2844
2845 return MNL_CB_OK;
2846 }
2847
2848 static void cmd_dev_info_help(void)
2849 {
2850 pr_err("Usage: devlink dev info [ DEV ]\n");
2851 }
2852
2853 static int cmd_dev_info(struct dl *dl)
2854 {
2855 struct nlmsghdr *nlh;
2856 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2857 int err;
2858
2859 if (dl_argv_match(dl, "help")) {
2860 cmd_dev_info_help();
2861 return 0;
2862 }
2863
2864 if (dl_argc(dl) == 0)
2865 flags |= NLM_F_DUMP;
2866
2867 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_INFO_GET, flags);
2868
2869 if (dl_argc(dl) > 0) {
2870 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2871 if (err)
2872 return err;
2873 }
2874
2875 pr_out_section_start(dl, "info");
2876 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_versions_show_cb, dl);
2877 pr_out_section_end(dl);
2878 return err;
2879 }
2880
2881 static void cmd_dev_flash_help(void)
2882 {
2883 pr_err("Usage: devlink dev flash DEV file PATH [ component NAME ]\n");
2884 }
2885
2886
2887 struct cmd_dev_flash_status_ctx {
2888 struct dl *dl;
2889 char *last_msg;
2890 char *last_component;
2891 uint8_t not_first:1,
2892 last_pc:1,
2893 received_end:1,
2894 flash_done:1;
2895 };
2896
2897 static int nullstrcmp(const char *str1, const char *str2)
2898 {
2899 if (str1 && str2)
2900 return strcmp(str1, str2);
2901 if (!str1 && !str2)
2902 return 0;
2903 return str1 ? 1 : -1;
2904 }
2905
2906 static int cmd_dev_flash_status_cb(const struct nlmsghdr *nlh, void *data)
2907 {
2908 struct cmd_dev_flash_status_ctx *ctx = data;
2909 struct dl_opts *opts = &ctx->dl->opts;
2910 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2911 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2912 const char *component = NULL;
2913 uint64_t done = 0, total = 0;
2914 const char *msg = NULL;
2915 const char *bus_name;
2916 const char *dev_name;
2917
2918 if (genl->cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS &&
2919 genl->cmd != DEVLINK_CMD_FLASH_UPDATE_END)
2920 return MNL_CB_STOP;
2921
2922 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2923 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2924 return MNL_CB_ERROR;
2925 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
2926 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
2927 if (strcmp(bus_name, opts->bus_name) ||
2928 strcmp(dev_name, opts->dev_name))
2929 return MNL_CB_ERROR;
2930
2931 if (genl->cmd == DEVLINK_CMD_FLASH_UPDATE_END && ctx->not_first) {
2932 pr_out("\n");
2933 free(ctx->last_msg);
2934 free(ctx->last_component);
2935 ctx->received_end = 1;
2936 return MNL_CB_STOP;
2937 }
2938
2939 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG])
2940 msg = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]);
2941 if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT])
2942 component = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]);
2943 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
2944 done = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]);
2945 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
2946 total = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]);
2947
2948 if (!nullstrcmp(msg, ctx->last_msg) &&
2949 !nullstrcmp(component, ctx->last_component) &&
2950 ctx->last_pc && ctx->not_first) {
2951 pr_out_tty("\b\b\b\b\b"); /* clean percentage */
2952 } else {
2953 if (ctx->not_first)
2954 pr_out("\n");
2955 if (component) {
2956 pr_out("[%s] ", component);
2957 free(ctx->last_component);
2958 ctx->last_component = strdup(component);
2959 }
2960 if (msg) {
2961 pr_out("%s", msg);
2962 free(ctx->last_msg);
2963 ctx->last_msg = strdup(msg);
2964 }
2965 }
2966 if (total) {
2967 pr_out_tty(" %3lu%%", (done * 100) / total);
2968 ctx->last_pc = 1;
2969 } else {
2970 ctx->last_pc = 0;
2971 }
2972 fflush(stdout);
2973 ctx->not_first = 1;
2974
2975 return MNL_CB_STOP;
2976 }
2977
2978 static int cmd_dev_flash_fds_process(struct cmd_dev_flash_status_ctx *ctx,
2979 struct mnlg_socket *nlg_ntf,
2980 int pipe_r)
2981 {
2982 int nlfd = mnlg_socket_get_fd(nlg_ntf);
2983 fd_set fds[3];
2984 int fdmax;
2985 int i;
2986 int err;
2987 int err2;
2988
2989 for (i = 0; i < 3; i++)
2990 FD_ZERO(&fds[i]);
2991 FD_SET(pipe_r, &fds[0]);
2992 fdmax = pipe_r + 1;
2993 FD_SET(nlfd, &fds[0]);
2994 if (nlfd >= fdmax)
2995 fdmax = nlfd + 1;
2996
2997 while (select(fdmax, &fds[0], &fds[1], &fds[2], NULL) < 0) {
2998 if (errno == EINTR)
2999 continue;
3000 pr_err("select() failed\n");
3001 return -errno;
3002 }
3003 if (FD_ISSET(nlfd, &fds[0])) {
3004 err = _mnlg_socket_recv_run(nlg_ntf,
3005 cmd_dev_flash_status_cb, ctx);
3006 if (err)
3007 return err;
3008 }
3009 if (FD_ISSET(pipe_r, &fds[0])) {
3010 err = read(pipe_r, &err2, sizeof(err2));
3011 if (err == -1) {
3012 pr_err("Failed to read pipe\n");
3013 return -errno;
3014 }
3015 if (err2)
3016 return err2;
3017 ctx->flash_done = 1;
3018 }
3019 return 0;
3020 }
3021
3022
3023 static int cmd_dev_flash(struct dl *dl)
3024 {
3025 struct cmd_dev_flash_status_ctx ctx = {.dl = dl,};
3026 struct mnlg_socket *nlg_ntf;
3027 struct nlmsghdr *nlh;
3028 int pipe_r, pipe_w;
3029 int pipe_fds[2];
3030 pid_t pid;
3031 int err;
3032
3033 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3034 cmd_dev_flash_help();
3035 return 0;
3036 }
3037
3038 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_FLASH_UPDATE,
3039 NLM_F_REQUEST | NLM_F_ACK);
3040
3041 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME,
3042 DL_OPT_FLASH_COMPONENT);
3043 if (err)
3044 return err;
3045
3046 nlg_ntf = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
3047 if (!nlg_ntf)
3048 return err;
3049
3050 err = _mnlg_socket_group_add(nlg_ntf, DEVLINK_GENL_MCGRP_CONFIG_NAME);
3051 if (err)
3052 return err;
3053
3054 err = pipe(pipe_fds);
3055 if (err == -1)
3056 return -errno;
3057 pipe_r = pipe_fds[0];
3058 pipe_w = pipe_fds[1];
3059
3060 pid = fork();
3061 if (pid == -1) {
3062 close(pipe_r);
3063 close(pipe_w);
3064 return -errno;
3065 } else if (!pid) {
3066 /* In child, just execute the flash and pass returned
3067 * value through pipe once it is done.
3068 */
3069 int cc;
3070
3071 close(pipe_r);
3072 err = _mnlg_socket_send(dl->nlg, nlh);
3073 cc = write(pipe_w, &err, sizeof(err));
3074 close(pipe_w);
3075 exit(cc != sizeof(err));
3076 }
3077 close(pipe_w);
3078
3079 do {
3080 err = cmd_dev_flash_fds_process(&ctx, nlg_ntf, pipe_r);
3081 if (err)
3082 goto out;
3083 } while (!ctx.flash_done || (ctx.not_first && !ctx.received_end));
3084
3085 err = _mnlg_socket_recv_run(dl->nlg, NULL, NULL);
3086 out:
3087 close(pipe_r);
3088 mnlg_socket_close(nlg_ntf);
3089 return err;
3090 }
3091
3092 static int cmd_dev(struct dl *dl)
3093 {
3094 if (dl_argv_match(dl, "help")) {
3095 cmd_dev_help();
3096 return 0;
3097 } else if (dl_argv_match(dl, "show") ||
3098 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3099 dl_arg_inc(dl);
3100 return cmd_dev_show(dl);
3101 } else if (dl_argv_match(dl, "eswitch")) {
3102 dl_arg_inc(dl);
3103 return cmd_dev_eswitch(dl);
3104 } else if (dl_argv_match(dl, "reload")) {
3105 dl_arg_inc(dl);
3106 return cmd_dev_reload(dl);
3107 } else if (dl_argv_match(dl, "param")) {
3108 dl_arg_inc(dl);
3109 return cmd_dev_param(dl);
3110 } else if (dl_argv_match(dl, "info")) {
3111 dl_arg_inc(dl);
3112 return cmd_dev_info(dl);
3113 } else if (dl_argv_match(dl, "flash")) {
3114 dl_arg_inc(dl);
3115 return cmd_dev_flash(dl);
3116 }
3117 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3118 return -ENOENT;
3119 }
3120
3121 static void cmd_port_help(void)
3122 {
3123 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
3124 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
3125 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
3126 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
3127 }
3128
3129 static const char *port_type_name(uint32_t type)
3130 {
3131 switch (type) {
3132 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
3133 case DEVLINK_PORT_TYPE_AUTO: return "auto";
3134 case DEVLINK_PORT_TYPE_ETH: return "eth";
3135 case DEVLINK_PORT_TYPE_IB: return "ib";
3136 default: return "<unknown type>";
3137 }
3138 }
3139
3140 static const char *port_flavour_name(uint16_t flavour)
3141 {
3142 switch (flavour) {
3143 case DEVLINK_PORT_FLAVOUR_PHYSICAL:
3144 return "physical";
3145 case DEVLINK_PORT_FLAVOUR_CPU:
3146 return "cpu";
3147 case DEVLINK_PORT_FLAVOUR_DSA:
3148 return "dsa";
3149 case DEVLINK_PORT_FLAVOUR_PCI_PF:
3150 return "pcipf";
3151 case DEVLINK_PORT_FLAVOUR_PCI_VF:
3152 return "pcivf";
3153 default:
3154 return "<unknown flavour>";
3155 }
3156 }
3157
3158 static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
3159 {
3160 uint16_t fn_num;
3161
3162 if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
3163 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
3164 print_uint(PRINT_ANY, "pfnum", " pfnum %u", fn_num);
3165 }
3166 if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) {
3167 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
3168 print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num);
3169 }
3170 }
3171
3172 static void pr_out_port(struct dl *dl, struct nlattr **tb)
3173 {
3174 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
3175 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
3176
3177 pr_out_port_handle_start(dl, tb, false);
3178 check_indent_newline(dl);
3179 if (pt_attr) {
3180 uint16_t port_type = mnl_attr_get_u16(pt_attr);
3181
3182 print_string(PRINT_ANY, "type", "type %s",
3183 port_type_name(port_type));
3184 if (dpt_attr) {
3185 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
3186
3187 if (port_type != des_port_type)
3188 print_string(PRINT_ANY, "des_type", " des_type %s",
3189 port_type_name(des_port_type));
3190 }
3191 }
3192 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) {
3193 print_string(PRINT_ANY, "netdev", " netdev %s",
3194 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
3195 }
3196 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME]) {
3197 print_string(PRINT_ANY, "ibdev", " ibdev %s",
3198 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
3199 }
3200 if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
3201 uint16_t port_flavour =
3202 mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
3203
3204 print_string(PRINT_ANY, "flavour", " flavour %s",
3205 port_flavour_name(port_flavour));
3206
3207 switch (port_flavour) {
3208 case DEVLINK_PORT_FLAVOUR_PCI_PF:
3209 case DEVLINK_PORT_FLAVOUR_PCI_VF:
3210 pr_out_port_pfvf_num(dl, tb);
3211 break;
3212 default:
3213 break;
3214 }
3215 }
3216 if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
3217 uint32_t port_number;
3218
3219 port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]);
3220 print_uint(PRINT_ANY, "port", " port %u", port_number);
3221 }
3222 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
3223 print_uint(PRINT_ANY, "split_group", " split_group %u",
3224 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
3225 pr_out_port_handle_end(dl);
3226 }
3227
3228 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
3229 {
3230 struct dl *dl = data;
3231 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3232 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3233
3234 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3235 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3236 !tb[DEVLINK_ATTR_PORT_INDEX])
3237 return MNL_CB_ERROR;
3238 pr_out_port(dl, tb);
3239 return MNL_CB_OK;
3240 }
3241
3242 static int cmd_port_show(struct dl *dl)
3243 {
3244 struct nlmsghdr *nlh;
3245 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3246 int err;
3247
3248 if (dl_argc(dl) == 0)
3249 flags |= NLM_F_DUMP;
3250
3251 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
3252
3253 if (dl_argc(dl) > 0) {
3254 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
3255 if (err)
3256 return err;
3257 }
3258
3259 pr_out_section_start(dl, "port");
3260 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
3261 pr_out_section_end(dl);
3262 return err;
3263 }
3264
3265 static int cmd_port_set(struct dl *dl)
3266 {
3267 struct nlmsghdr *nlh;
3268 int err;
3269
3270 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
3271 NLM_F_REQUEST | NLM_F_ACK);
3272
3273 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
3274 if (err)
3275 return err;
3276
3277 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3278 }
3279
3280 static int cmd_port_split(struct dl *dl)
3281 {
3282 struct nlmsghdr *nlh;
3283 int err;
3284
3285 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
3286 NLM_F_REQUEST | NLM_F_ACK);
3287
3288 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
3289 if (err)
3290 return err;
3291
3292 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3293 }
3294
3295 static int cmd_port_unsplit(struct dl *dl)
3296 {
3297 struct nlmsghdr *nlh;
3298 int err;
3299
3300 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
3301 NLM_F_REQUEST | NLM_F_ACK);
3302
3303 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
3304 if (err)
3305 return err;
3306
3307 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3308 }
3309
3310 static int cmd_port(struct dl *dl)
3311 {
3312 if (dl_argv_match(dl, "help")) {
3313 cmd_port_help();
3314 return 0;
3315 } else if (dl_argv_match(dl, "show") ||
3316 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3317 dl_arg_inc(dl);
3318 return cmd_port_show(dl);
3319 } else if (dl_argv_match(dl, "set")) {
3320 dl_arg_inc(dl);
3321 return cmd_port_set(dl);
3322 } else if (dl_argv_match(dl, "split")) {
3323 dl_arg_inc(dl);
3324 return cmd_port_split(dl);
3325 } else if (dl_argv_match(dl, "unsplit")) {
3326 dl_arg_inc(dl);
3327 return cmd_port_unsplit(dl);
3328 }
3329 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3330 return -ENOENT;
3331 }
3332
3333 static void cmd_sb_help(void)
3334 {
3335 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
3336 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
3337 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
3338 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
3339 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
3340 pr_err(" pool POOL_INDEX ]\n");
3341 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
3342 pr_err(" pool POOL_INDEX th THRESHOLD\n");
3343 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
3344 pr_err(" type { ingress | egress } ]\n");
3345 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
3346 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
3347 pr_err(" th THRESHOLD\n");
3348 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
3349 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
3350 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
3351 }
3352
3353 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
3354 {
3355 pr_out_handle_start_arr(dl, tb);
3356 check_indent_newline(dl);
3357 print_uint(PRINT_ANY, "sb", "sb %u",
3358 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3359 print_uint(PRINT_ANY, "size", " size %u",
3360 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
3361 print_uint(PRINT_ANY, "ing_pools", " ing_pools %u",
3362 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
3363 print_uint(PRINT_ANY, "eg_pools", " eg_pools %u",
3364 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
3365 print_uint(PRINT_ANY, "ing_tcs", " ing_tcs %u",
3366 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
3367 print_uint(PRINT_ANY, "eg_tcs", " eg_tcs %u",
3368 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
3369 pr_out_handle_end(dl);
3370 }
3371
3372 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
3373 {
3374 struct dl *dl = data;
3375 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3376 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3377
3378 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3379 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3380 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
3381 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
3382 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
3383 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
3384 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
3385 return MNL_CB_ERROR;
3386 pr_out_sb(dl, tb);
3387 return MNL_CB_OK;
3388 }
3389
3390 static int cmd_sb_show(struct dl *dl)
3391 {
3392 struct nlmsghdr *nlh;
3393 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3394 int err;
3395
3396 if (dl_argc(dl) == 0)
3397 flags |= NLM_F_DUMP;
3398
3399 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
3400
3401 if (dl_argc(dl) > 0) {
3402 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3403 if (err)
3404 return err;
3405 }
3406
3407 pr_out_section_start(dl, "sb");
3408 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
3409 pr_out_section_end(dl);
3410 return err;
3411 }
3412
3413 static const char *pool_type_name(uint8_t type)
3414 {
3415 switch (type) {
3416 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
3417 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
3418 default: return "<unknown type>";
3419 }
3420 }
3421
3422 static const char *threshold_type_name(uint8_t type)
3423 {
3424 switch (type) {
3425 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
3426 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
3427 default: return "<unknown type>";
3428 }
3429 }
3430
3431 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
3432 {
3433 pr_out_handle_start_arr(dl, tb);
3434 check_indent_newline(dl);
3435 print_uint(PRINT_ANY, "sb", "sb %u",
3436 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3437 print_uint(PRINT_ANY, "pool", " pool %u",
3438 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3439 print_string(PRINT_ANY, "type", " type %s",
3440 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3441 print_uint(PRINT_ANY, "size", " size %u",
3442 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
3443 print_string(PRINT_ANY, "thtype", " thtype %s",
3444 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
3445 if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
3446 print_uint(PRINT_ANY, "cell_size", " cell size %u",
3447 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
3448 pr_out_handle_end(dl);
3449 }
3450
3451 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3452 {
3453 struct dl *dl = data;
3454 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3455 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3456
3457 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3458 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3459 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3460 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
3461 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
3462 return MNL_CB_ERROR;
3463 pr_out_sb_pool(dl, tb);
3464 return MNL_CB_OK;
3465 }
3466
3467 static int cmd_sb_pool_show(struct dl *dl)
3468 {
3469 struct nlmsghdr *nlh;
3470 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3471 int err;
3472
3473 if (dl_argc(dl) == 0)
3474 flags |= NLM_F_DUMP;
3475
3476 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
3477
3478 if (dl_argc(dl) > 0) {
3479 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
3480 DL_OPT_SB);
3481 if (err)
3482 return err;
3483 }
3484
3485 pr_out_section_start(dl, "pool");
3486 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
3487 pr_out_section_end(dl);
3488 return err;
3489 }
3490
3491 static int cmd_sb_pool_set(struct dl *dl)
3492 {
3493 struct nlmsghdr *nlh;
3494 int err;
3495
3496 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
3497 NLM_F_REQUEST | NLM_F_ACK);
3498
3499 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
3500 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
3501 if (err)
3502 return err;
3503
3504 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3505 }
3506
3507 static int cmd_sb_pool(struct dl *dl)
3508 {
3509 if (dl_argv_match(dl, "help")) {
3510 cmd_sb_help();
3511 return 0;
3512 } else if (dl_argv_match(dl, "show") ||
3513 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3514 dl_arg_inc(dl);
3515 return cmd_sb_pool_show(dl);
3516 } else if (dl_argv_match(dl, "set")) {
3517 dl_arg_inc(dl);
3518 return cmd_sb_pool_set(dl);
3519 }
3520 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3521 return -ENOENT;
3522 }
3523
3524 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
3525 {
3526 pr_out_port_handle_start_arr(dl, tb, true);
3527 check_indent_newline(dl);
3528 print_uint(PRINT_ANY, "sb", "sb %u",
3529 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3530 print_uint(PRINT_ANY, "pool", " pool %u",
3531 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3532 print_uint(PRINT_ANY, "threshold", " threshold %u",
3533 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3534 pr_out_port_handle_end(dl);
3535 }
3536
3537 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3538 {
3539 struct dl *dl = data;
3540 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3541 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3542
3543 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3544 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3545 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3546 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3547 return MNL_CB_ERROR;
3548 pr_out_sb_port_pool(dl, tb);
3549 return MNL_CB_OK;
3550 }
3551
3552 static int cmd_sb_port_pool_show(struct dl *dl)
3553 {
3554 struct nlmsghdr *nlh;
3555 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3556 int err;
3557
3558 if (dl_argc(dl) == 0)
3559 flags |= NLM_F_DUMP;
3560
3561 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3562
3563 if (dl_argc(dl) > 0) {
3564 err = dl_argv_parse_put(nlh, dl,
3565 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
3566 DL_OPT_SB);
3567 if (err)
3568 return err;
3569 }
3570
3571 pr_out_section_start(dl, "port_pool");
3572 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
3573 pr_out_section_end(dl);
3574 return 0;
3575 }
3576
3577 static int cmd_sb_port_pool_set(struct dl *dl)
3578 {
3579 struct nlmsghdr *nlh;
3580 int err;
3581
3582 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
3583 NLM_F_REQUEST | NLM_F_ACK);
3584
3585 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
3586 DL_OPT_SB_TH, DL_OPT_SB);
3587 if (err)
3588 return err;
3589
3590 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3591 }
3592
3593 static int cmd_sb_port_pool(struct dl *dl)
3594 {
3595 if (dl_argv_match(dl, "help")) {
3596 cmd_sb_help();
3597 return 0;
3598 } else if (dl_argv_match(dl, "show") ||
3599 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3600 dl_arg_inc(dl);
3601 return cmd_sb_port_pool_show(dl);
3602 } else if (dl_argv_match(dl, "set")) {
3603 dl_arg_inc(dl);
3604 return cmd_sb_port_pool_set(dl);
3605 }
3606 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3607 return -ENOENT;
3608 }
3609
3610 static int cmd_sb_port(struct dl *dl)
3611 {
3612 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3613 cmd_sb_help();
3614 return 0;
3615 } else if (dl_argv_match(dl, "pool")) {
3616 dl_arg_inc(dl);
3617 return cmd_sb_port_pool(dl);
3618 }
3619 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3620 return -ENOENT;
3621 }
3622
3623 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
3624 {
3625 pr_out_port_handle_start_arr(dl, tb, true);
3626 check_indent_newline(dl);
3627 print_uint(PRINT_ANY, "sb", "sb %u",
3628 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3629 print_uint(PRINT_ANY, "tc", " tc %u",
3630 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
3631 print_string(PRINT_ANY, "type", " type %s",
3632 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3633 print_uint(PRINT_ANY, "pool", " pool %u",
3634 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3635 print_uint(PRINT_ANY, "threshold", " threshold %u",
3636 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3637 pr_out_port_handle_end(dl);
3638 }
3639
3640 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
3641 {
3642 struct dl *dl = data;
3643 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3644 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3645
3646 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3647 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3648 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3649 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3650 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3651 return MNL_CB_ERROR;
3652 pr_out_sb_tc_bind(dl, tb);
3653 return MNL_CB_OK;
3654 }
3655
3656 static int cmd_sb_tc_bind_show(struct dl *dl)
3657 {
3658 struct nlmsghdr *nlh;
3659 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3660 int err;
3661
3662 if (dl_argc(dl) == 0)
3663 flags |= NLM_F_DUMP;
3664
3665 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3666
3667 if (dl_argc(dl) > 0) {
3668 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3669 DL_OPT_SB_TYPE, DL_OPT_SB);
3670 if (err)
3671 return err;
3672 }
3673
3674 pr_out_section_start(dl, "tc_bind");
3675 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
3676 pr_out_section_end(dl);
3677 return err;
3678 }
3679
3680 static int cmd_sb_tc_bind_set(struct dl *dl)
3681 {
3682 struct nlmsghdr *nlh;
3683 int err;
3684
3685 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
3686 NLM_F_REQUEST | NLM_F_ACK);
3687
3688 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3689 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
3690 DL_OPT_SB);
3691 if (err)
3692 return err;
3693
3694 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3695 }
3696
3697 static int cmd_sb_tc_bind(struct dl *dl)
3698 {
3699 if (dl_argv_match(dl, "help")) {
3700 cmd_sb_help();
3701 return 0;
3702 } else if (dl_argv_match(dl, "show") ||
3703 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3704 dl_arg_inc(dl);
3705 return cmd_sb_tc_bind_show(dl);
3706 } else if (dl_argv_match(dl, "set")) {
3707 dl_arg_inc(dl);
3708 return cmd_sb_tc_bind_set(dl);
3709 }
3710 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3711 return -ENOENT;
3712 }
3713
3714 static int cmd_sb_tc(struct dl *dl)
3715 {
3716 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3717 cmd_sb_help();
3718 return 0;
3719 } else if (dl_argv_match(dl, "bind")) {
3720 dl_arg_inc(dl);
3721 return cmd_sb_tc_bind(dl);
3722 }
3723 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3724 return -ENOENT;
3725 }
3726
3727 struct occ_item {
3728 struct list_head list;
3729 uint32_t index;
3730 uint32_t cur;
3731 uint32_t max;
3732 uint32_t bound_pool_index;
3733 };
3734
3735 struct occ_port {
3736 struct list_head list;
3737 char *bus_name;
3738 char *dev_name;
3739 uint32_t port_index;
3740 uint32_t sb_index;
3741 struct list_head pool_list;
3742 struct list_head ing_tc_list;
3743 struct list_head eg_tc_list;
3744 };
3745
3746 struct occ_show {
3747 struct dl *dl;
3748 int err;
3749 struct list_head port_list;
3750 };
3751
3752 static struct occ_item *occ_item_alloc(void)
3753 {
3754 return calloc(1, sizeof(struct occ_item));
3755 }
3756
3757 static void occ_item_free(struct occ_item *occ_item)
3758 {
3759 free(occ_item);
3760 }
3761
3762 static struct occ_port *occ_port_alloc(uint32_t port_index)
3763 {
3764 struct occ_port *occ_port;
3765
3766 occ_port = calloc(1, sizeof(*occ_port));
3767 if (!occ_port)
3768 return NULL;
3769 occ_port->port_index = port_index;
3770 INIT_LIST_HEAD(&occ_port->pool_list);
3771 INIT_LIST_HEAD(&occ_port->ing_tc_list);
3772 INIT_LIST_HEAD(&occ_port->eg_tc_list);
3773 return occ_port;
3774 }
3775
3776 static void occ_port_free(struct occ_port *occ_port)
3777 {
3778 struct occ_item *occ_item, *tmp;
3779
3780 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
3781 occ_item_free(occ_item);
3782 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
3783 occ_item_free(occ_item);
3784 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
3785 occ_item_free(occ_item);
3786 }
3787
3788 static struct occ_show *occ_show_alloc(struct dl *dl)
3789 {
3790 struct occ_show *occ_show;
3791
3792 occ_show = calloc(1, sizeof(*occ_show));
3793 if (!occ_show)
3794 return NULL;
3795 occ_show->dl = dl;
3796 INIT_LIST_HEAD(&occ_show->port_list);
3797 return occ_show;
3798 }
3799
3800 static void occ_show_free(struct occ_show *occ_show)
3801 {
3802 struct occ_port *occ_port, *tmp;
3803
3804 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
3805 occ_port_free(occ_port);
3806 }
3807
3808 static struct occ_port *occ_port_get(struct occ_show *occ_show,
3809 struct nlattr **tb)
3810 {
3811 struct occ_port *occ_port;
3812 uint32_t port_index;
3813
3814 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
3815
3816 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
3817 if (occ_port->port_index == port_index)
3818 return occ_port;
3819 }
3820 occ_port = occ_port_alloc(port_index);
3821 if (!occ_port)
3822 return NULL;
3823 list_add_tail(&occ_port->list, &occ_show->port_list);
3824 return occ_port;
3825 }
3826
3827 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
3828 bool bound_pool)
3829 {
3830 struct occ_item *occ_item;
3831 int i = 1;
3832
3833 pr_out_sp(7, " %s:", label);
3834 list_for_each_entry(occ_item, list, list) {
3835 if ((i - 1) % 4 == 0 && i != 1)
3836 pr_out_sp(7, " ");
3837 if (bound_pool)
3838 pr_out_sp(7, "%2u(%u):", occ_item->index,
3839 occ_item->bound_pool_index);
3840 else
3841 pr_out_sp(7, "%2u:", occ_item->index);
3842 pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max);
3843 if (i++ % 4 == 0)
3844 pr_out("\n");
3845 }
3846 if ((i - 1) % 4 != 0)
3847 pr_out("\n");
3848 }
3849
3850 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
3851 struct list_head *list,
3852 bool bound_pool)
3853 {
3854 struct occ_item *occ_item;
3855 char buf[32];
3856
3857 open_json_object(label);
3858 list_for_each_entry(occ_item, list, list) {
3859 sprintf(buf, "%u", occ_item->index);
3860 open_json_object(buf);
3861 if (bound_pool)
3862 print_uint(PRINT_JSON, "bound_pool", NULL,
3863 occ_item->bound_pool_index);
3864 print_uint(PRINT_JSON, "current", NULL, occ_item->cur);
3865 print_uint(PRINT_JSON, "max", NULL, occ_item->max);
3866 close_json_object();
3867 }
3868 close_json_object();
3869 }
3870
3871 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
3872 {
3873 if (dl->json_output) {
3874 pr_out_json_occ_show_item_list(dl, "pool",
3875 &occ_port->pool_list, false);
3876 pr_out_json_occ_show_item_list(dl, "itc",
3877 &occ_port->ing_tc_list, true);
3878 pr_out_json_occ_show_item_list(dl, "etc",
3879 &occ_port->eg_tc_list, true);
3880 } else {
3881 pr_out("\n");
3882 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
3883 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
3884 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
3885 }
3886 }
3887
3888 static void pr_out_occ_show(struct occ_show *occ_show)
3889 {
3890 struct dl *dl = occ_show->dl;
3891 struct dl_opts *opts = &dl->opts;
3892 struct occ_port *occ_port;
3893
3894 list_for_each_entry(occ_port, &occ_show->port_list, list) {
3895 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
3896 occ_port->port_index, true, false);
3897 pr_out_occ_show_port(dl, occ_port);
3898 pr_out_port_handle_end(dl);
3899 }
3900 }
3901
3902 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
3903 struct nlattr **tb)
3904 {
3905 struct occ_port *occ_port;
3906 struct occ_item *occ_item;
3907
3908 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3909 return;
3910
3911 occ_port = occ_port_get(occ_show, tb);
3912 if (!occ_port) {
3913 occ_show->err = -ENOMEM;
3914 return;
3915 }
3916
3917 occ_item = occ_item_alloc();
3918 if (!occ_item) {
3919 occ_show->err = -ENOMEM;
3920 return;
3921 }
3922 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3923 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3924 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3925 list_add_tail(&occ_item->list, &occ_port->pool_list);
3926 }
3927
3928 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3929 {
3930 struct occ_show *occ_show = data;
3931 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3932 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3933
3934 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3935 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3936 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3937 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3938 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3939 return MNL_CB_ERROR;
3940 cmd_sb_occ_port_pool_process(occ_show, tb);
3941 return MNL_CB_OK;
3942 }
3943
3944 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
3945 struct nlattr **tb)
3946 {
3947 struct occ_port *occ_port;
3948 struct occ_item *occ_item;
3949 uint8_t pool_type;
3950
3951 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3952 return;
3953
3954 occ_port = occ_port_get(occ_show, tb);
3955 if (!occ_port) {
3956 occ_show->err = -ENOMEM;
3957 return;
3958 }
3959
3960 occ_item = occ_item_alloc();
3961 if (!occ_item) {
3962 occ_show->err = -ENOMEM;
3963 return;
3964 }
3965 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
3966 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3967 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3968 occ_item->bound_pool_index =
3969 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3970 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
3971 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
3972 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
3973 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
3974 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
3975 else
3976 occ_item_free(occ_item);
3977 }
3978
3979 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3980 {
3981 struct occ_show *occ_show = data;
3982 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3983 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3984
3985 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3986 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3987 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3988 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3989 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3990 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3991 return MNL_CB_ERROR;
3992 cmd_sb_occ_tc_pool_process(occ_show, tb);
3993 return MNL_CB_OK;
3994 }
3995
3996 static int cmd_sb_occ_show(struct dl *dl)
3997 {
3998 struct nlmsghdr *nlh;
3999 struct occ_show *occ_show;
4000 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
4001 int err;
4002
4003 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
4004 if (err)
4005 return err;
4006
4007 occ_show = occ_show_alloc(dl);
4008 if (!occ_show)
4009 return -ENOMEM;
4010
4011 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
4012
4013 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
4014 cmd_sb_occ_port_pool_process_cb, occ_show);
4015 if (err)
4016 goto out;
4017
4018 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
4019
4020 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
4021 cmd_sb_occ_tc_pool_process_cb, occ_show);
4022 if (err)
4023 goto out;
4024
4025 pr_out_section_start(dl, "occupancy");
4026 pr_out_occ_show(occ_show);
4027 pr_out_section_end(dl);
4028
4029 out:
4030 occ_show_free(occ_show);
4031 return err;
4032 }
4033
4034 static int cmd_sb_occ_snapshot(struct dl *dl)
4035 {
4036 struct nlmsghdr *nlh;
4037 int err;
4038
4039 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
4040 NLM_F_REQUEST | NLM_F_ACK);
4041
4042 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
4043 if (err)
4044 return err;
4045
4046 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4047 }
4048
4049 static int cmd_sb_occ_clearmax(struct dl *dl)
4050 {
4051 struct nlmsghdr *nlh;
4052 int err;
4053
4054 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
4055 NLM_F_REQUEST | NLM_F_ACK);
4056
4057 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
4058 if (err)
4059 return err;
4060
4061 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4062 }
4063
4064 static int cmd_sb_occ(struct dl *dl)
4065 {
4066 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4067 cmd_sb_help();
4068 return 0;
4069 } else if (dl_argv_match(dl, "show") ||
4070 dl_argv_match(dl, "list")) {
4071 dl_arg_inc(dl);
4072 return cmd_sb_occ_show(dl);
4073 } else if (dl_argv_match(dl, "snapshot")) {
4074 dl_arg_inc(dl);
4075 return cmd_sb_occ_snapshot(dl);
4076 } else if (dl_argv_match(dl, "clearmax")) {
4077 dl_arg_inc(dl);
4078 return cmd_sb_occ_clearmax(dl);
4079 }
4080 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4081 return -ENOENT;
4082 }
4083
4084 static int cmd_sb(struct dl *dl)
4085 {
4086 if (dl_argv_match(dl, "help")) {
4087 cmd_sb_help();
4088 return 0;
4089 } else if (dl_argv_match(dl, "show") ||
4090 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
4091 dl_arg_inc(dl);
4092 return cmd_sb_show(dl);
4093 } else if (dl_argv_match(dl, "pool")) {
4094 dl_arg_inc(dl);
4095 return cmd_sb_pool(dl);
4096 } else if (dl_argv_match(dl, "port")) {
4097 dl_arg_inc(dl);
4098 return cmd_sb_port(dl);
4099 } else if (dl_argv_match(dl, "tc")) {
4100 dl_arg_inc(dl);
4101 return cmd_sb_tc(dl);
4102 } else if (dl_argv_match(dl, "occupancy")) {
4103 dl_arg_inc(dl);
4104 return cmd_sb_occ(dl);
4105 }
4106 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4107 return -ENOENT;
4108 }
4109
4110 static const char *cmd_name(uint8_t cmd)
4111 {
4112 switch (cmd) {
4113 case DEVLINK_CMD_UNSPEC: return "unspec";
4114 case DEVLINK_CMD_GET: return "get";
4115 case DEVLINK_CMD_SET: return "set";
4116 case DEVLINK_CMD_NEW: return "new";
4117 case DEVLINK_CMD_DEL: return "del";
4118 case DEVLINK_CMD_PORT_GET: return "get";
4119 case DEVLINK_CMD_PORT_SET: return "set";
4120 case DEVLINK_CMD_PORT_NEW: return "new";
4121 case DEVLINK_CMD_PORT_DEL: return "del";
4122 case DEVLINK_CMD_PARAM_GET: return "get";
4123 case DEVLINK_CMD_PARAM_SET: return "set";
4124 case DEVLINK_CMD_PARAM_NEW: return "new";
4125 case DEVLINK_CMD_PARAM_DEL: return "del";
4126 case DEVLINK_CMD_REGION_GET: return "get";
4127 case DEVLINK_CMD_REGION_SET: return "set";
4128 case DEVLINK_CMD_REGION_NEW: return "new";
4129 case DEVLINK_CMD_REGION_DEL: return "del";
4130 case DEVLINK_CMD_FLASH_UPDATE: return "begin";
4131 case DEVLINK_CMD_FLASH_UPDATE_END: return "end";
4132 case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status";
4133 case DEVLINK_CMD_TRAP_GET: return "get";
4134 case DEVLINK_CMD_TRAP_SET: return "set";
4135 case DEVLINK_CMD_TRAP_NEW: return "new";
4136 case DEVLINK_CMD_TRAP_DEL: return "del";
4137 case DEVLINK_CMD_TRAP_GROUP_GET: return "get";
4138 case DEVLINK_CMD_TRAP_GROUP_SET: return "set";
4139 case DEVLINK_CMD_TRAP_GROUP_NEW: return "new";
4140 case DEVLINK_CMD_TRAP_GROUP_DEL: return "del";
4141 default: return "<unknown cmd>";
4142 }
4143 }
4144
4145 static const char *cmd_obj(uint8_t cmd)
4146 {
4147 switch (cmd) {
4148 case DEVLINK_CMD_UNSPEC: return "unspec";
4149 case DEVLINK_CMD_GET:
4150 case DEVLINK_CMD_SET:
4151 case DEVLINK_CMD_NEW:
4152 case DEVLINK_CMD_DEL:
4153 return "dev";
4154 case DEVLINK_CMD_PORT_GET:
4155 case DEVLINK_CMD_PORT_SET:
4156 case DEVLINK_CMD_PORT_NEW:
4157 case DEVLINK_CMD_PORT_DEL:
4158 return "port";
4159 case DEVLINK_CMD_PARAM_GET:
4160 case DEVLINK_CMD_PARAM_SET:
4161 case DEVLINK_CMD_PARAM_NEW:
4162 case DEVLINK_CMD_PARAM_DEL:
4163 return "param";
4164 case DEVLINK_CMD_REGION_GET:
4165 case DEVLINK_CMD_REGION_SET:
4166 case DEVLINK_CMD_REGION_NEW:
4167 case DEVLINK_CMD_REGION_DEL:
4168 return "region";
4169 case DEVLINK_CMD_FLASH_UPDATE:
4170 case DEVLINK_CMD_FLASH_UPDATE_END:
4171 case DEVLINK_CMD_FLASH_UPDATE_STATUS:
4172 return "flash";
4173 case DEVLINK_CMD_TRAP_GET:
4174 case DEVLINK_CMD_TRAP_SET:
4175 case DEVLINK_CMD_TRAP_NEW:
4176 case DEVLINK_CMD_TRAP_DEL:
4177 return "trap";
4178 case DEVLINK_CMD_TRAP_GROUP_GET:
4179 case DEVLINK_CMD_TRAP_GROUP_SET:
4180 case DEVLINK_CMD_TRAP_GROUP_NEW:
4181 case DEVLINK_CMD_TRAP_GROUP_DEL:
4182 return "trap-group";
4183 default: return "<unknown obj>";
4184 }
4185 }
4186
4187 static void pr_out_mon_header(uint8_t cmd)
4188 {
4189 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
4190 }
4191
4192 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
4193 {
4194 const char *obj = cmd_obj(cmd);
4195 unsigned int index = 0;
4196 const char *cur_obj;
4197
4198 if (dl_no_arg(dl))
4199 return true;
4200 while ((cur_obj = dl_argv_index(dl, index++))) {
4201 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
4202 return true;
4203 }
4204 return false;
4205 }
4206
4207 static void pr_out_flash_update(struct dl *dl, struct nlattr **tb)
4208 {
4209 __pr_out_handle_start(dl, tb, true, false);
4210
4211 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) {
4212 check_indent_newline(dl);
4213 print_string(PRINT_ANY, "msg", "msg %s",
4214 mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]));
4215 }
4216 if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) {
4217 check_indent_newline(dl);
4218 print_string(PRINT_ANY, "component", "component %s",
4219 mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]));
4220 }
4221
4222 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
4223 pr_out_u64(dl, "done",
4224 mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]));
4225
4226 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
4227 pr_out_u64(dl, "total",
4228 mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]));
4229
4230 pr_out_handle_end(dl);
4231 }
4232
4233 static void pr_out_region(struct dl *dl, struct nlattr **tb);
4234 static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array);
4235 static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array);
4236
4237 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
4238 {
4239 struct dl *dl = data;
4240 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4241 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4242 uint8_t cmd = genl->cmd;
4243
4244 if (!cmd_filter_check(dl, cmd))
4245 return MNL_CB_OK;
4246
4247 switch (cmd) {
4248 case DEVLINK_CMD_GET: /* fall through */
4249 case DEVLINK_CMD_SET: /* fall through */
4250 case DEVLINK_CMD_NEW: /* fall through */
4251 case DEVLINK_CMD_DEL:
4252 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4253 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
4254 return MNL_CB_ERROR;
4255 pr_out_mon_header(genl->cmd);
4256 pr_out_handle(dl, tb);
4257 break;
4258 case DEVLINK_CMD_PORT_GET: /* fall through */
4259 case DEVLINK_CMD_PORT_SET: /* fall through */
4260 case DEVLINK_CMD_PORT_NEW: /* fall through */
4261 case DEVLINK_CMD_PORT_DEL:
4262 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4263 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4264 !tb[DEVLINK_ATTR_PORT_INDEX])
4265 return MNL_CB_ERROR;
4266 pr_out_mon_header(genl->cmd);
4267 pr_out_port(dl, tb);
4268 break;
4269 case DEVLINK_CMD_PARAM_GET: /* fall through */
4270 case DEVLINK_CMD_PARAM_SET: /* fall through */
4271 case DEVLINK_CMD_PARAM_NEW: /* fall through */
4272 case DEVLINK_CMD_PARAM_DEL:
4273 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4274 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4275 !tb[DEVLINK_ATTR_PARAM])
4276 return MNL_CB_ERROR;
4277 pr_out_mon_header(genl->cmd);
4278 pr_out_param(dl, tb, false);
4279 break;
4280 case DEVLINK_CMD_REGION_GET: /* fall through */
4281 case DEVLINK_CMD_REGION_SET: /* fall through */
4282 case DEVLINK_CMD_REGION_NEW: /* fall through */
4283 case DEVLINK_CMD_REGION_DEL:
4284 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4285 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4286 !tb[DEVLINK_ATTR_REGION_NAME])
4287 return MNL_CB_ERROR;
4288 pr_out_mon_header(genl->cmd);
4289 pr_out_region(dl, tb);
4290 break;
4291 case DEVLINK_CMD_FLASH_UPDATE: /* fall through */
4292 case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */
4293 case DEVLINK_CMD_FLASH_UPDATE_STATUS:
4294 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4295 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
4296 return MNL_CB_ERROR;
4297 pr_out_mon_header(genl->cmd);
4298 pr_out_flash_update(dl, tb);
4299 break;
4300 case DEVLINK_CMD_TRAP_GET: /* fall through */
4301 case DEVLINK_CMD_TRAP_SET: /* fall through */
4302 case DEVLINK_CMD_TRAP_NEW: /* fall through */
4303 case DEVLINK_CMD_TRAP_DEL:
4304 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4305 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4306 !tb[DEVLINK_ATTR_TRAP_NAME] ||
4307 !tb[DEVLINK_ATTR_TRAP_TYPE] ||
4308 !tb[DEVLINK_ATTR_TRAP_ACTION] ||
4309 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
4310 !tb[DEVLINK_ATTR_TRAP_METADATA] ||
4311 !tb[DEVLINK_ATTR_STATS])
4312 return MNL_CB_ERROR;
4313 pr_out_mon_header(genl->cmd);
4314 pr_out_trap(dl, tb, false);
4315 break;
4316 case DEVLINK_CMD_TRAP_GROUP_GET: /* fall through */
4317 case DEVLINK_CMD_TRAP_GROUP_SET: /* fall through */
4318 case DEVLINK_CMD_TRAP_GROUP_NEW: /* fall through */
4319 case DEVLINK_CMD_TRAP_GROUP_DEL:
4320 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4321 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4322 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
4323 !tb[DEVLINK_ATTR_STATS])
4324 return MNL_CB_ERROR;
4325 pr_out_mon_header(genl->cmd);
4326 pr_out_trap_group(dl, tb, false);
4327 break;
4328 }
4329 return MNL_CB_OK;
4330 }
4331
4332 static int cmd_mon_show(struct dl *dl)
4333 {
4334 int err;
4335 unsigned int index = 0;
4336 const char *cur_obj;
4337
4338 while ((cur_obj = dl_argv_index(dl, index++))) {
4339 if (strcmp(cur_obj, "all") != 0 &&
4340 strcmp(cur_obj, "dev") != 0 &&
4341 strcmp(cur_obj, "port") != 0 &&
4342 strcmp(cur_obj, "trap") != 0 &&
4343 strcmp(cur_obj, "trap-group") != 0) {
4344 pr_err("Unknown object \"%s\"\n", cur_obj);
4345 return -EINVAL;
4346 }
4347 }
4348 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
4349 if (err)
4350 return err;
4351 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
4352 if (err)
4353 return err;
4354 return 0;
4355 }
4356
4357 static void cmd_mon_help(void)
4358 {
4359 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
4360 "where OBJECT-LIST := { dev | port | trap | trap-group }\n");
4361 }
4362
4363 static int cmd_mon(struct dl *dl)
4364 {
4365 if (dl_argv_match(dl, "help")) {
4366 cmd_mon_help();
4367 return 0;
4368 }
4369 return cmd_mon_show(dl);
4370 }
4371
4372 struct dpipe_field {
4373 char *name;
4374 unsigned int id;
4375 unsigned int bitwidth;
4376 enum devlink_dpipe_field_mapping_type mapping_type;
4377 };
4378
4379 struct dpipe_header {
4380 struct list_head list;
4381 char *name;
4382 unsigned int id;
4383 struct dpipe_field *fields;
4384 unsigned int fields_count;
4385 };
4386
4387 struct dpipe_table {
4388 struct list_head list;
4389 char *name;
4390 unsigned int resource_id;
4391 bool resource_valid;
4392 };
4393
4394 struct dpipe_tables {
4395 struct list_head table_list;
4396 };
4397
4398 struct resource {
4399 char *name;
4400 uint64_t size;
4401 uint64_t size_new;
4402 uint64_t size_min;
4403 uint64_t size_max;
4404 uint64_t size_gran;
4405 enum devlink_resource_unit unit;
4406 bool size_valid;
4407 uint64_t size_occ;
4408 bool occ_valid;
4409 uint64_t id;
4410 struct list_head list;
4411 struct list_head resource_list;
4412 struct resource *parent;
4413 };
4414
4415 struct resources {
4416 struct list_head resource_list;
4417 };
4418
4419 struct resource_ctx {
4420 struct dl *dl;
4421 int err;
4422 struct resources *resources;
4423 struct dpipe_tables *tables;
4424 bool print_resources;
4425 bool pending_change;
4426 };
4427
4428 static struct resource *resource_alloc(void)
4429 {
4430 struct resource *resource;
4431
4432 resource = calloc(1, sizeof(struct resource));
4433 if (!resource)
4434 return NULL;
4435 INIT_LIST_HEAD(&resource->resource_list);
4436 return resource;
4437 }
4438
4439 static void resource_free(struct resource *resource)
4440 {
4441 struct resource *child_resource, *tmp;
4442
4443 list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
4444 list) {
4445 free(child_resource->name);
4446 resource_free(child_resource);
4447 }
4448 free(resource);
4449 }
4450
4451 static struct resources *resources_alloc(void)
4452 {
4453 struct resources *resources;
4454
4455 resources = calloc(1, sizeof(struct resources));
4456 if (!resources)
4457 return NULL;
4458 INIT_LIST_HEAD(&resources->resource_list);
4459 return resources;
4460 }
4461
4462 static void resources_free(struct resources *resources)
4463 {
4464 struct resource *resource, *tmp;
4465
4466 list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
4467 resource_free(resource);
4468 }
4469
4470 static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
4471 {
4472 ctx->resources = resources_alloc();
4473 if (!ctx->resources)
4474 return -ENOMEM;
4475 ctx->dl = dl;
4476 return 0;
4477 }
4478
4479 static void resource_ctx_fini(struct resource_ctx *ctx)
4480 {
4481 resources_free(ctx->resources);
4482 }
4483
4484 struct dpipe_ctx {
4485 struct dl *dl;
4486 int err;
4487 struct list_head global_headers;
4488 struct list_head local_headers;
4489 struct dpipe_tables *tables;
4490 struct resources *resources;
4491 bool print_headers;
4492 bool print_tables;
4493 };
4494
4495 static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
4496 {
4497 struct dpipe_header *header;
4498
4499 header = calloc(1, sizeof(struct dpipe_header));
4500 if (!header)
4501 return NULL;
4502 header->fields = calloc(fields_count, sizeof(struct dpipe_field));
4503 if (!header->fields)
4504 goto err_fields_alloc;
4505 header->fields_count = fields_count;
4506 return header;
4507
4508 err_fields_alloc:
4509 free(header);
4510 return NULL;
4511 }
4512
4513 static void dpipe_header_free(struct dpipe_header *header)
4514 {
4515 free(header->fields);
4516 free(header);
4517 }
4518
4519 static void dpipe_header_clear(struct dpipe_header *header)
4520 {
4521 struct dpipe_field *field;
4522 int i;
4523
4524 for (i = 0; i < header->fields_count; i++) {
4525 field = &header->fields[i];
4526 free(field->name);
4527 }
4528 free(header->name);
4529 }
4530
4531 static void dpipe_header_add(struct dpipe_ctx *ctx,
4532 struct dpipe_header *header, bool global)
4533 {
4534 if (global)
4535 list_add(&header->list, &ctx->global_headers);
4536 else
4537 list_add(&header->list, &ctx->local_headers);
4538 }
4539
4540 static void dpipe_header_del(struct dpipe_header *header)
4541 {
4542 list_del(&header->list);
4543 }
4544
4545 static struct dpipe_table *dpipe_table_alloc(void)
4546 {
4547 return calloc(1, sizeof(struct dpipe_table));
4548 }
4549
4550 static void dpipe_table_free(struct dpipe_table *table)
4551 {
4552 free(table);
4553 }
4554
4555 static struct dpipe_tables *dpipe_tables_alloc(void)
4556 {
4557 struct dpipe_tables *tables;
4558
4559 tables = calloc(1, sizeof(struct dpipe_tables));
4560 if (!tables)
4561 return NULL;
4562 INIT_LIST_HEAD(&tables->table_list);
4563 return tables;
4564 }
4565
4566 static void dpipe_tables_free(struct dpipe_tables *tables)
4567 {
4568 struct dpipe_table *table, *tmp;
4569
4570 list_for_each_entry_safe(table, tmp, &tables->table_list, list)
4571 dpipe_table_free(table);
4572 free(tables);
4573 }
4574
4575 static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
4576 {
4577 ctx->tables = dpipe_tables_alloc();
4578 if (!ctx->tables)
4579 return -ENOMEM;
4580
4581 ctx->dl = dl;
4582 INIT_LIST_HEAD(&ctx->global_headers);
4583 INIT_LIST_HEAD(&ctx->local_headers);
4584 return 0;
4585 }
4586
4587 static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
4588 {
4589 struct dpipe_header *header, *tmp;
4590
4591 list_for_each_entry_safe(header, tmp, &ctx->global_headers,
4592 list) {
4593 dpipe_header_del(header);
4594 dpipe_header_clear(header);
4595 dpipe_header_free(header);
4596 }
4597 list_for_each_entry_safe(header, tmp, &ctx->local_headers,
4598 list) {
4599 dpipe_header_del(header);
4600 dpipe_header_clear(header);
4601 dpipe_header_free(header);
4602 }
4603 dpipe_tables_free(ctx->tables);
4604 }
4605
4606 static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
4607 uint32_t header_id, bool global)
4608 {
4609 struct list_head *header_list;
4610 struct dpipe_header *header;
4611
4612 if (global)
4613 header_list = &ctx->global_headers;
4614 else
4615 header_list = &ctx->local_headers;
4616 list_for_each_entry(header, header_list, list) {
4617 if (header->id != header_id)
4618 continue;
4619 return header->name;
4620 }
4621 return NULL;
4622 }
4623
4624 static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
4625 uint32_t header_id,
4626 uint32_t field_id, bool global)
4627 {
4628 struct list_head *header_list;
4629 struct dpipe_header *header;
4630
4631 if (global)
4632 header_list = &ctx->global_headers;
4633 else
4634 header_list = &ctx->local_headers;
4635 list_for_each_entry(header, header_list, list) {
4636 if (header->id != header_id)
4637 continue;
4638 return header->fields[field_id].name;
4639 }
4640 return NULL;
4641 }
4642
4643 static const char *
4644 dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
4645 {
4646 switch (mapping_type) {
4647 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
4648 return NULL;
4649 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
4650 return "ifindex";
4651 default:
4652 return "<unknown>";
4653 }
4654 }
4655
4656 static const char *
4657 dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
4658 uint32_t field_id, bool global)
4659 {
4660 enum devlink_dpipe_field_mapping_type mapping_type;
4661 struct list_head *header_list;
4662 struct dpipe_header *header;
4663
4664 if (global)
4665 header_list = &ctx->global_headers;
4666 else
4667 header_list = &ctx->local_headers;
4668 list_for_each_entry(header, header_list, list) {
4669 if (header->id != header_id)
4670 continue;
4671 mapping_type = header->fields[field_id].mapping_type;
4672 return dpipe_field_mapping_e2s(mapping_type);
4673 }
4674 return NULL;
4675 }
4676
4677 static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
4678 struct dpipe_field *fields,
4679 unsigned int field_count)
4680 {
4681 struct dpipe_field *field;
4682 int i;
4683
4684 for (i = 0; i < field_count; i++) {
4685 field = &fields[i];
4686 pr_out_entry_start(ctx->dl);
4687 check_indent_newline(ctx->dl);
4688 print_string(PRINT_ANY, "name", "name %s", field->name);
4689 if (ctx->dl->verbose)
4690 print_uint(PRINT_ANY, "id", " id %u", field->id);
4691 print_uint(PRINT_ANY, "bitwidth", " bitwidth %u", field->bitwidth);
4692 if (field->mapping_type) {
4693 print_string(PRINT_ANY, "mapping_type", " mapping_type %s",
4694 dpipe_field_mapping_e2s(field->mapping_type));
4695 }
4696 pr_out_entry_end(ctx->dl);
4697 }
4698 }
4699
4700 static void
4701 pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
4702 struct dpipe_header *header, bool global)
4703 {
4704 pr_out_handle_start_arr(ctx->dl, tb);
4705 check_indent_newline(ctx->dl);
4706 print_string(PRINT_ANY, "name", "name %s", header->name);
4707 if (ctx->dl->verbose) {
4708 print_uint(PRINT_ANY, "id", " id %u", header->id);
4709 print_bool(PRINT_ANY, "global", " global %s", global);
4710 }
4711 pr_out_array_start(ctx->dl, "field");
4712 pr_out_dpipe_fields(ctx, header->fields,
4713 header->fields_count);
4714 pr_out_array_end(ctx->dl);
4715 pr_out_handle_end(ctx->dl);
4716 }
4717
4718 static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
4719 struct nlattr **tb)
4720 {
4721 struct dpipe_header *header;
4722
4723 list_for_each_entry(header, &ctx->local_headers, list)
4724 pr_out_dpipe_header(ctx, tb, header, false);
4725
4726 list_for_each_entry(header, &ctx->global_headers, list)
4727 pr_out_dpipe_header(ctx, tb, header, true);
4728 }
4729
4730 static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
4731 {
4732 struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
4733 const char *name;
4734 int err;
4735
4736 err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
4737 if (err != MNL_CB_OK)
4738 return -EINVAL;
4739 if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
4740 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
4741 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
4742 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
4743 return -EINVAL;
4744
4745 name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
4746 field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4747 field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
4748 field->name = strdup(name);
4749 if (!field->name)
4750 return -ENOMEM;
4751 field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
4752 return 0;
4753 }
4754
4755 static int dpipe_header_fields_get(struct nlattr *nla_fields,
4756 struct dpipe_field *fields)
4757 {
4758 struct nlattr *nla_field;
4759 int count = 0;
4760 int err;
4761
4762 mnl_attr_for_each_nested(nla_field, nla_fields) {
4763 err = dpipe_header_field_get(nla_field, &fields[count]);
4764 if (err)
4765 return err;
4766 count++;
4767 }
4768 return 0;
4769 }
4770
4771 static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
4772 {
4773 struct nlattr *nla_field;
4774 unsigned int count = 0;
4775
4776 mnl_attr_for_each_nested(nla_field, nla_fields)
4777 count++;
4778 return count;
4779 }
4780
4781 static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
4782 {
4783 struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
4784 struct dpipe_header *header;
4785 unsigned int fields_count;
4786 const char *header_name;
4787 bool global;
4788 int err;
4789
4790 err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
4791 if (err != MNL_CB_OK)
4792 return -EINVAL;
4793
4794 if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
4795 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4796 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
4797 return -EINVAL;
4798
4799 fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
4800 header = dpipe_header_alloc(fields_count);
4801 if (!header)
4802 return -ENOMEM;
4803
4804 header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
4805 header->name = strdup(header_name);
4806 header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4807 header->fields_count = fields_count;
4808 global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4809
4810 err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
4811 header->fields);
4812 if (err)
4813 goto err_field_get;
4814 dpipe_header_add(ctx, header, global);
4815 return 0;
4816
4817 err_field_get:
4818 dpipe_header_free(header);
4819 return err;
4820 }
4821
4822 static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
4823 {
4824 struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
4825 struct nlattr *nla_header;
4826 int err;
4827
4828 mnl_attr_for_each_nested(nla_header, nla_headers) {
4829 err = dpipe_header_get(ctx, nla_header);
4830 if (err)
4831 return err;
4832 }
4833 return 0;
4834 }
4835
4836 static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
4837 {
4838 struct dpipe_ctx *ctx = data;
4839 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4840 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4841 int err;
4842
4843 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4844 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4845 !tb[DEVLINK_ATTR_DPIPE_HEADERS])
4846 return MNL_CB_ERROR;
4847 err = dpipe_headers_get(ctx, tb);
4848 if (err) {
4849 ctx->err = err;
4850 return MNL_CB_ERROR;
4851 }
4852
4853 if (ctx->print_headers)
4854 pr_out_dpipe_headers(ctx, tb);
4855 return MNL_CB_OK;
4856 }
4857
4858 static int cmd_dpipe_headers_show(struct dl *dl)
4859 {
4860 struct nlmsghdr *nlh;
4861 struct dpipe_ctx ctx = {};
4862 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
4863 int err;
4864
4865 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4866
4867 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
4868 if (err)
4869 return err;
4870
4871 err = dpipe_ctx_init(&ctx, dl);
4872 if (err)
4873 return err;
4874
4875 ctx.print_headers = true;
4876
4877 pr_out_section_start(dl, "header");
4878 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
4879 if (err)
4880 pr_err("error get headers %s\n", strerror(ctx.err));
4881 pr_out_section_end(dl);
4882
4883 dpipe_ctx_fini(&ctx);
4884 return err;
4885 }
4886
4887 static void cmd_dpipe_header_help(void)
4888 {
4889 pr_err("Usage: devlink dpipe headers show DEV\n");
4890 }
4891
4892 static int cmd_dpipe_header(struct dl *dl)
4893 {
4894 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4895 cmd_dpipe_header_help();
4896 return 0;
4897 } else if (dl_argv_match(dl, "show")) {
4898 dl_arg_inc(dl);
4899 return cmd_dpipe_headers_show(dl);
4900 }
4901 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4902 return -ENOENT;
4903 }
4904
4905 static const char
4906 *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
4907 {
4908 switch (action_type) {
4909 case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
4910 return "field_modify";
4911 default:
4912 return "<unknown>";
4913 }
4914 }
4915
4916 struct dpipe_op_info {
4917 uint32_t header_id;
4918 uint32_t field_id;
4919 bool header_global;
4920 };
4921
4922 struct dpipe_action {
4923 struct dpipe_op_info info;
4924 uint32_t type;
4925 };
4926
4927 static void pr_out_dpipe_action(struct dpipe_action *action,
4928 struct dpipe_ctx *ctx)
4929 {
4930 struct dpipe_op_info *op_info = &action->info;
4931 const char *mapping;
4932
4933 check_indent_newline(ctx->dl);
4934 print_string(PRINT_ANY, "type", "type %s",
4935 dpipe_action_type_e2s(action->type));
4936 print_string(PRINT_ANY, "header", " header %s",
4937 dpipe_header_id2s(ctx, op_info->header_id,
4938 op_info->header_global));
4939 print_string(PRINT_ANY, "field", " field %s",
4940 dpipe_field_id2s(ctx, op_info->header_id,
4941 op_info->field_id,
4942 op_info->header_global));
4943 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4944 op_info->field_id,
4945 op_info->header_global);
4946 if (mapping)
4947 print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
4948 }
4949
4950 static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
4951 {
4952 struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
4953 int err;
4954
4955 err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
4956 if (err != MNL_CB_OK)
4957 return -EINVAL;
4958
4959 if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
4960 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4961 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4962 !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4963 return -EINVAL;
4964 }
4965
4966 action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
4967 action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4968 action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4969 action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4970
4971 return 0;
4972 }
4973
4974 static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
4975 struct nlattr *nla_actions)
4976 {
4977 struct nlattr *nla_action;
4978 struct dpipe_action action;
4979
4980 mnl_attr_for_each_nested(nla_action, nla_actions) {
4981 pr_out_entry_start(ctx->dl);
4982 if (dpipe_action_parse(&action, nla_action))
4983 goto err_action_parse;
4984 pr_out_dpipe_action(&action, ctx);
4985 pr_out_entry_end(ctx->dl);
4986 }
4987 return 0;
4988
4989 err_action_parse:
4990 pr_out_entry_end(ctx->dl);
4991 return -EINVAL;
4992 }
4993
4994 static const char *
4995 dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
4996 {
4997 switch (match_type) {
4998 case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
4999 return "field_exact";
5000 default:
5001 return "<unknown>";
5002 }
5003 }
5004
5005 struct dpipe_match {
5006 struct dpipe_op_info info;
5007 uint32_t type;
5008 };
5009
5010 static void pr_out_dpipe_match(struct dpipe_match *match,
5011 struct dpipe_ctx *ctx)
5012 {
5013 struct dpipe_op_info *op_info = &match->info;
5014 const char *mapping;
5015
5016 check_indent_newline(ctx->dl);
5017 print_string(PRINT_ANY, "type", "type %s",
5018 dpipe_match_type_e2s(match->type));
5019 print_string(PRINT_ANY, "header", " header %s",
5020 dpipe_header_id2s(ctx, op_info->header_id,
5021 op_info->header_global));
5022 print_string(PRINT_ANY, "field", " field %s",
5023 dpipe_field_id2s(ctx, op_info->header_id,
5024 op_info->field_id,
5025 op_info->header_global));
5026 mapping = dpipe_mapping_get(ctx, op_info->header_id,
5027 op_info->field_id,
5028 op_info->header_global);
5029 if (mapping)
5030 print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
5031 }
5032
5033 static int dpipe_match_parse(struct dpipe_match *match,
5034 struct nlattr *nl)
5035
5036 {
5037 struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
5038 int err;
5039
5040 err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
5041 if (err != MNL_CB_OK)
5042 return -EINVAL;
5043
5044 if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
5045 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
5046 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
5047 !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
5048 return -EINVAL;
5049 }
5050
5051 match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
5052 match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
5053 match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
5054 match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
5055
5056 return 0;
5057 }
5058
5059 static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
5060 struct nlattr *nla_matches)
5061 {
5062 struct nlattr *nla_match;
5063 struct dpipe_match match;
5064
5065 mnl_attr_for_each_nested(nla_match, nla_matches) {
5066 pr_out_entry_start(ctx->dl);
5067 if (dpipe_match_parse(&match, nla_match))
5068 goto err_match_parse;
5069 pr_out_dpipe_match(&match, ctx);
5070 pr_out_entry_end(ctx->dl);
5071 }
5072 return 0;
5073
5074 err_match_parse:
5075 pr_out_entry_end(ctx->dl);
5076 return -EINVAL;
5077 }
5078
5079 static struct resource *
5080 resource_find(struct resources *resources, struct resource *resource,
5081 uint64_t resource_id)
5082 {
5083 struct list_head *list_head;
5084
5085 if (!resource)
5086 list_head = &resources->resource_list;
5087 else
5088 list_head = &resource->resource_list;
5089
5090 list_for_each_entry(resource, list_head, list) {
5091 struct resource *child_resource;
5092
5093 if (resource->id == resource_id)
5094 return resource;
5095
5096 child_resource = resource_find(resources, resource,
5097 resource_id);
5098 if (child_resource)
5099 return child_resource;
5100 }
5101 return NULL;
5102 }
5103
5104 static void
5105 resource_path_print(struct dl *dl, struct resources *resources,
5106 uint64_t resource_id)
5107 {
5108 struct resource *resource, *parent_resource;
5109 const char del[] = "/";
5110 int path_len = 0;
5111 char *path;
5112
5113 resource = resource_find(resources, NULL, resource_id);
5114 if (!resource)
5115 return;
5116
5117 for (parent_resource = resource; parent_resource;
5118 parent_resource = parent_resource->parent)
5119 path_len += strlen(parent_resource->name) + 1;
5120
5121 path_len++;
5122 path = calloc(1, path_len);
5123 if (!path)
5124 return;
5125
5126 path += path_len - 1;
5127 for (parent_resource = resource; parent_resource;
5128 parent_resource = parent_resource->parent) {
5129 path -= strlen(parent_resource->name);
5130 memcpy(path, parent_resource->name,
5131 strlen(parent_resource->name));
5132 path -= strlen(del);
5133 memcpy(path, del, strlen(del));
5134 }
5135 check_indent_newline(dl);
5136 print_string(PRINT_ANY, "resource_path", "resource_path %s", path);
5137 free(path);
5138 }
5139
5140 static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5141 {
5142 struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
5143 struct dpipe_table *table;
5144 uint32_t resource_units;
5145 bool counters_enabled;
5146 bool resource_valid;
5147 uint32_t size;
5148 int err;
5149
5150 err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
5151 if (err != MNL_CB_OK)
5152 return -EINVAL;
5153
5154 if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
5155 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
5156 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
5157 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
5158 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
5159 return -EINVAL;
5160 }
5161
5162 table = dpipe_table_alloc();
5163 if (!table)
5164 return -ENOMEM;
5165
5166 table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
5167 size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
5168 counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
5169
5170 resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
5171 ctx->resources;
5172 if (resource_valid) {
5173 table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
5174 table->resource_valid = true;
5175 }
5176
5177 list_add_tail(&table->list, &ctx->tables->table_list);
5178 if (!ctx->print_tables)
5179 return 0;
5180
5181 check_indent_newline(ctx->dl);
5182 print_string(PRINT_ANY, "name", "name %s", table->name);
5183 print_uint(PRINT_ANY, "size", " size %u", size);
5184 print_bool(PRINT_ANY, "counters_enabled", " counters_enabled %s", counters_enabled);
5185
5186 if (resource_valid) {
5187 resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
5188 resource_path_print(ctx->dl, ctx->resources,
5189 table->resource_id);
5190 print_uint(PRINT_ANY, "resource_units", " resource_units %u",
5191 resource_units);
5192 }
5193
5194 pr_out_array_start(ctx->dl, "match");
5195 if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
5196 goto err_matches_show;
5197 pr_out_array_end(ctx->dl);
5198
5199 pr_out_array_start(ctx->dl, "action");
5200 if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
5201 goto err_actions_show;
5202 pr_out_array_end(ctx->dl);
5203
5204 return 0;
5205
5206 err_actions_show:
5207 err_matches_show:
5208 pr_out_array_end(ctx->dl);
5209 return -EINVAL;
5210 }
5211
5212 static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5213 {
5214 struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
5215 struct nlattr *nla_table;
5216
5217 mnl_attr_for_each_nested(nla_table, nla_tables) {
5218 if (ctx->print_tables)
5219 pr_out_handle_start_arr(ctx->dl, tb);
5220 if (dpipe_table_show(ctx, nla_table))
5221 goto err_table_show;
5222 if (ctx->print_tables)
5223 pr_out_handle_end(ctx->dl);
5224 }
5225 return 0;
5226
5227 err_table_show:
5228 if (ctx->print_tables)
5229 pr_out_handle_end(ctx->dl);
5230 return -EINVAL;
5231 }
5232
5233 static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
5234 {
5235 struct dpipe_ctx *ctx = data;
5236 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5237 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5238
5239 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5240 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5241 !tb[DEVLINK_ATTR_DPIPE_TABLES])
5242 return MNL_CB_ERROR;
5243
5244 if (dpipe_tables_show(ctx, tb))
5245 return MNL_CB_ERROR;
5246 return MNL_CB_OK;
5247 }
5248
5249 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
5250
5251 static int cmd_dpipe_table_show(struct dl *dl)
5252 {
5253 struct nlmsghdr *nlh;
5254 struct dpipe_ctx dpipe_ctx = {};
5255 struct resource_ctx resource_ctx = {};
5256 uint16_t flags = NLM_F_REQUEST;
5257 int err;
5258
5259 err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
5260 if (err)
5261 return err;
5262
5263 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5264
5265 err = dpipe_ctx_init(&dpipe_ctx, dl);
5266 if (err)
5267 return err;
5268
5269 dpipe_ctx.print_tables = true;
5270
5271 dl_opts_put(nlh, dl);
5272 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
5273 &dpipe_ctx);
5274 if (err) {
5275 pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
5276 goto err_headers_get;
5277 }
5278
5279 err = resource_ctx_init(&resource_ctx, dl);
5280 if (err)
5281 goto err_resource_ctx_init;
5282
5283 resource_ctx.print_resources = false;
5284 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
5285 dl_opts_put(nlh, dl);
5286 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
5287 &resource_ctx);
5288 if (!err)
5289 dpipe_ctx.resources = resource_ctx.resources;
5290
5291 flags = NLM_F_REQUEST | NLM_F_ACK;
5292 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
5293 dl_opts_put(nlh, dl);
5294
5295 pr_out_section_start(dl, "table");
5296 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
5297 pr_out_section_end(dl);
5298
5299 resource_ctx_fini(&resource_ctx);
5300 dpipe_ctx_fini(&dpipe_ctx);
5301 return 0;
5302
5303 err_resource_ctx_init:
5304 err_headers_get:
5305 dpipe_ctx_fini(&dpipe_ctx);
5306 return err;
5307 }
5308
5309 static int cmd_dpipe_table_set(struct dl *dl)
5310 {
5311 struct nlmsghdr *nlh;
5312 int err;
5313
5314 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
5315 NLM_F_REQUEST | NLM_F_ACK);
5316
5317 err = dl_argv_parse_put(nlh, dl,
5318 DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
5319 DL_OPT_DPIPE_TABLE_COUNTERS, 0);
5320 if (err)
5321 return err;
5322
5323 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5324 }
5325
5326 enum dpipe_value_type {
5327 DPIPE_VALUE_TYPE_VALUE,
5328 DPIPE_VALUE_TYPE_MASK,
5329 };
5330
5331 static const char *
5332 dpipe_value_type_e2s(enum dpipe_value_type type)
5333 {
5334 switch (type) {
5335 case DPIPE_VALUE_TYPE_VALUE:
5336 return "value";
5337 case DPIPE_VALUE_TYPE_MASK:
5338 return "value_mask";
5339 default:
5340 return "<unknown>";
5341 }
5342 }
5343
5344 struct dpipe_field_printer {
5345 unsigned int field_id;
5346 void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
5347 };
5348
5349 struct dpipe_header_printer {
5350 struct dpipe_field_printer *printers;
5351 unsigned int printers_count;
5352 unsigned int header_id;
5353 };
5354
5355 static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
5356 enum dpipe_value_type type,
5357 void *value)
5358 {
5359 struct in_addr ip_addr;
5360
5361 ip_addr.s_addr = htonl(*(uint32_t *)value);
5362 check_indent_newline(ctx->dl);
5363 print_string_name_value(dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
5364 }
5365
5366 static void
5367 dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
5368 enum dpipe_value_type type,
5369 void *value)
5370 {
5371 check_indent_newline(ctx->dl);
5372 print_string_name_value(dpipe_value_type_e2s(type),
5373 ether_ntoa((struct ether_addr *)value));
5374 }
5375
5376 static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
5377 enum dpipe_value_type type,
5378 void *value)
5379 {
5380 char str[INET6_ADDRSTRLEN];
5381
5382 inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
5383 check_indent_newline(ctx->dl);
5384 print_string_name_value(dpipe_value_type_e2s(type), str);
5385 }
5386
5387 static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
5388 {
5389 .printer = dpipe_field_printer_ipv4_addr,
5390 .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
5391 }
5392 };
5393
5394 static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
5395 .printers = dpipe_field_printers_ipv4,
5396 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
5397 .header_id = DEVLINK_DPIPE_HEADER_IPV4,
5398 };
5399
5400 static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
5401 {
5402 .printer = dpipe_field_printer_ethernet_addr,
5403 .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
5404 },
5405 };
5406
5407 static struct dpipe_header_printer dpipe_header_printer_ethernet = {
5408 .printers = dpipe_field_printers_ethernet,
5409 .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
5410 .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
5411 };
5412
5413 static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
5414 {
5415 .printer = dpipe_field_printer_ipv6_addr,
5416 .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
5417 }
5418 };
5419
5420 static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
5421 .printers = dpipe_field_printers_ipv6,
5422 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
5423 .header_id = DEVLINK_DPIPE_HEADER_IPV6,
5424 };
5425
5426 static struct dpipe_header_printer *dpipe_header_printers[] = {
5427 &dpipe_header_printer_ipv4,
5428 &dpipe_header_printer_ethernet,
5429 &dpipe_header_printer_ipv6,
5430 };
5431
5432 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
5433 struct dpipe_op_info *info,
5434 enum dpipe_value_type type,
5435 void *value)
5436 {
5437 unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
5438 struct dpipe_header_printer *header_printer;
5439 struct dpipe_field_printer *field_printer;
5440 unsigned int field_printers_count;
5441 int j;
5442 int i;
5443
5444 for (i = 0; i < header_printers_count; i++) {
5445 header_printer = dpipe_header_printers[i];
5446 if (header_printer->header_id != info->header_id)
5447 continue;
5448 field_printers_count = header_printer->printers_count;
5449 for (j = 0; j < field_printers_count; j++) {
5450 field_printer = &header_printer->printers[j];
5451 if (field_printer->field_id != info->field_id)
5452 continue;
5453 field_printer->printer(ctx, type, value);
5454 return 0;
5455 }
5456 }
5457
5458 return -EINVAL;
5459 }
5460
5461 static void __pr_out_entry_value(struct dpipe_ctx *ctx,
5462 void *value,
5463 unsigned int value_len,
5464 struct dpipe_op_info *info,
5465 enum dpipe_value_type type)
5466 {
5467 if (info->header_global &&
5468 !dpipe_print_prot_header(ctx, info, type, value))
5469 return;
5470
5471 if (value_len == sizeof(uint32_t)) {
5472 uint32_t *value_32 = value;
5473
5474 check_indent_newline(ctx->dl);
5475 print_uint_name_value(dpipe_value_type_e2s(type), *value_32);
5476 }
5477 }
5478
5479 static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
5480 struct nlattr **nla_match_value,
5481 struct dpipe_op_info *info)
5482 {
5483 void *value, *value_mask;
5484 uint32_t value_mapping;
5485 uint16_t value_len;
5486 bool mask, mapping;
5487
5488 mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
5489 mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
5490
5491 value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5492 value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5493
5494 if (mapping) {
5495 value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
5496 check_indent_newline(ctx->dl);
5497 print_uint(PRINT_ANY, "mapping_value", "mapping_value %u", value_mapping);
5498 }
5499
5500 if (mask) {
5501 value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5502 __pr_out_entry_value(ctx, value_mask, value_len, info,
5503 DPIPE_VALUE_TYPE_MASK);
5504 }
5505
5506 __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
5507 }
5508
5509 static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
5510 struct nlattr *nl)
5511 {
5512 struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
5513 struct dpipe_match match;
5514 int err;
5515
5516 err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
5517 if (err != MNL_CB_OK)
5518 return -EINVAL;
5519
5520 if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
5521 !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5522 return -EINVAL;
5523 }
5524
5525 pr_out_entry_start(ctx->dl);
5526 if (dpipe_match_parse(&match,
5527 nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
5528 goto err_match_parse;
5529 pr_out_dpipe_match(&match, ctx);
5530 pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
5531 pr_out_entry_end(ctx->dl);
5532
5533 return 0;
5534
5535 err_match_parse:
5536 pr_out_entry_end(ctx->dl);
5537 return -EINVAL;
5538 }
5539
5540 static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
5541 struct nlattr *nl)
5542 {
5543 struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
5544 struct dpipe_action action;
5545 int err;
5546
5547 err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
5548 if (err != MNL_CB_OK)
5549 return -EINVAL;
5550
5551 if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
5552 !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5553 return -EINVAL;
5554 }
5555
5556 pr_out_entry_start(ctx->dl);
5557 if (dpipe_action_parse(&action,
5558 nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
5559 goto err_action_parse;
5560 pr_out_dpipe_action(&action, ctx);
5561 pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
5562 pr_out_entry_end(ctx->dl);
5563
5564 return 0;
5565
5566 err_action_parse:
5567 pr_out_entry_end(ctx->dl);
5568 return -EINVAL;
5569 }
5570
5571 static int
5572 dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
5573 struct nlattr *nla_action_values)
5574 {
5575 struct nlattr *nla_action_value;
5576
5577 mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
5578 if (dpipe_entry_action_value_show(ctx, nla_action_value))
5579 return -EINVAL;
5580 }
5581 return 0;
5582 }
5583
5584 static int
5585 dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
5586 struct nlattr *nla_match_values)
5587 {
5588 struct nlattr *nla_match_value;
5589
5590 mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
5591 if (dpipe_entry_match_value_show(ctx, nla_match_value))
5592 return -EINVAL;
5593 }
5594 return 0;
5595 }
5596
5597 static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5598 {
5599 struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
5600 uint32_t entry_index;
5601 uint64_t counter;
5602 int err;
5603
5604 err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
5605 if (err != MNL_CB_OK)
5606 return -EINVAL;
5607
5608 if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
5609 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
5610 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
5611 return -EINVAL;
5612 }
5613
5614 check_indent_newline(ctx->dl);
5615 entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
5616 print_uint(PRINT_ANY, "index", "index %u", entry_index);
5617
5618 if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
5619 counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
5620 print_uint(PRINT_ANY, "counter", " counter %u", counter);
5621 }
5622
5623 pr_out_array_start(ctx->dl, "match_value");
5624 if (dpipe_tables_match_values_show(ctx,
5625 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
5626 goto err_match_values_show;
5627 pr_out_array_end(ctx->dl);
5628
5629 pr_out_array_start(ctx->dl, "action_value");
5630 if (dpipe_tables_action_values_show(ctx,
5631 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
5632 goto err_action_values_show;
5633 pr_out_array_end(ctx->dl);
5634 return 0;
5635
5636 err_action_values_show:
5637 err_match_values_show:
5638 pr_out_array_end(ctx->dl);
5639 return -EINVAL;
5640 }
5641
5642 static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5643 {
5644 struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
5645 struct nlattr *nla_entry;
5646
5647 mnl_attr_for_each_nested(nla_entry, nla_entries) {
5648 pr_out_handle_start_arr(ctx->dl, tb);
5649 if (dpipe_entry_show(ctx, nla_entry))
5650 goto err_entry_show;
5651 pr_out_handle_end(ctx->dl);
5652 }
5653 return 0;
5654
5655 err_entry_show:
5656 pr_out_handle_end(ctx->dl);
5657 return -EINVAL;
5658 }
5659
5660 static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
5661 {
5662 struct dpipe_ctx *ctx = data;
5663 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5664 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5665
5666 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5667 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5668 !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
5669 return MNL_CB_ERROR;
5670
5671 if (dpipe_table_entries_show(ctx, tb))
5672 return MNL_CB_ERROR;
5673 return MNL_CB_OK;
5674 }
5675
5676 static int cmd_dpipe_table_dump(struct dl *dl)
5677 {
5678 struct nlmsghdr *nlh;
5679 struct dpipe_ctx ctx = {};
5680 uint16_t flags = NLM_F_REQUEST;
5681 int err;
5682
5683 err = dpipe_ctx_init(&ctx, dl);
5684 if (err)
5685 return err;
5686
5687 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
5688 if (err)
5689 goto out;
5690
5691 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5692 dl_opts_put(nlh, dl);
5693 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
5694 if (err) {
5695 pr_err("error get headers %s\n", strerror(ctx.err));
5696 goto out;
5697 }
5698
5699 flags = NLM_F_REQUEST | NLM_F_ACK;
5700 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
5701 dl_opts_put(nlh, dl);
5702
5703 pr_out_section_start(dl, "table_entry");
5704 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
5705 pr_out_section_end(dl);
5706 out:
5707 dpipe_ctx_fini(&ctx);
5708 return err;
5709 }
5710
5711 static void cmd_dpipe_table_help(void)
5712 {
5713 pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
5714 "where OBJECT-LIST := { show | set | dump }\n");
5715 }
5716
5717 static int cmd_dpipe_table(struct dl *dl)
5718 {
5719 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5720 cmd_dpipe_table_help();
5721 return 0;
5722 } else if (dl_argv_match(dl, "show")) {
5723 dl_arg_inc(dl);
5724 return cmd_dpipe_table_show(dl);
5725 } else if (dl_argv_match(dl, "set")) {
5726 dl_arg_inc(dl);
5727 return cmd_dpipe_table_set(dl);
5728 } else if (dl_argv_match(dl, "dump")) {
5729 dl_arg_inc(dl);
5730 return cmd_dpipe_table_dump(dl);
5731 }
5732 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5733 return -ENOENT;
5734 }
5735
5736 static void cmd_dpipe_help(void)
5737 {
5738 pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
5739 "where OBJECT-LIST := { header | table }\n");
5740 }
5741
5742 static int cmd_dpipe(struct dl *dl)
5743 {
5744 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5745 cmd_dpipe_help();
5746 return 0;
5747 } else if (dl_argv_match(dl, "header")) {
5748 dl_arg_inc(dl);
5749 return cmd_dpipe_header(dl);
5750 } else if (dl_argv_match(dl, "table")) {
5751 dl_arg_inc(dl);
5752 return cmd_dpipe_table(dl);
5753 }
5754 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5755 return -ENOENT;
5756 }
5757
5758 static int
5759 resource_parse(struct resource_ctx *ctx, struct resource *resource,
5760 struct nlattr **nla_resource)
5761 {
5762 if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
5763 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
5764 !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
5765 !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
5766 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
5767 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
5768 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
5769 return -EINVAL;
5770 }
5771
5772 resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
5773 resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
5774 resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
5775 resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
5776 resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
5777 resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
5778 resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
5779
5780 if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
5781 resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
5782 else
5783 resource->size_new = resource->size;
5784
5785 if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
5786 resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
5787 resource->occ_valid = true;
5788 }
5789
5790 if (resource->size_new != resource->size)
5791 ctx->pending_change = true;
5792
5793 return 0;
5794 }
5795
5796 static int
5797 resource_get(struct resource_ctx *ctx, struct resource *resource,
5798 struct resource *parent_resource, struct nlattr *nl)
5799 {
5800 struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
5801 struct nlattr *nla_child_resource;
5802 struct nlattr *nla_resources;
5803 bool top = false;
5804 int err;
5805
5806 if (!resource) {
5807 nla_resources = nl;
5808 top = true;
5809 goto out;
5810 }
5811
5812 err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
5813 if (err != MNL_CB_OK)
5814 return -EINVAL;
5815
5816 err = resource_parse(ctx, resource, nla_resource);
5817 if (err)
5818 return err;
5819
5820 resource->parent = parent_resource;
5821 if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
5822 return 0;
5823
5824 resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
5825 nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
5826 out:
5827 mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
5828 struct resource *child_resource;
5829 struct list_head *list;
5830
5831 child_resource = resource_alloc();
5832 if (!child_resource)
5833 return -ENOMEM;
5834
5835 if (top)
5836 list = &ctx->resources->resource_list;
5837 else
5838 list = &resource->resource_list;
5839
5840 list_add_tail(&child_resource->list, list);
5841 err = resource_get(ctx, child_resource, resource,
5842 nla_child_resource);
5843 if (err)
5844 return err;
5845 }
5846
5847 return 0;
5848 }
5849
5850 static const char *resource_unit_str_get(enum devlink_resource_unit unit)
5851 {
5852 switch (unit) {
5853 case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
5854 default: return "<unknown unit>";
5855 }
5856 }
5857
5858 static void resource_show(struct resource *resource,
5859 struct resource_ctx *ctx)
5860 {
5861 struct resource *child_resource;
5862 struct dpipe_table *table;
5863 struct dl *dl = ctx->dl;
5864 bool array = false;
5865
5866 check_indent_newline(dl);
5867 print_string(PRINT_ANY, "name", "name %s", resource->name);
5868 if (dl->verbose)
5869 resource_path_print(dl, ctx->resources, resource->id);
5870 pr_out_u64(dl, "size", resource->size);
5871 if (resource->size != resource->size_new)
5872 pr_out_u64(dl, "size_new", resource->size_new);
5873 if (resource->occ_valid)
5874 print_uint(PRINT_ANY, "occ", " occ %u", resource->size_occ);
5875 print_string(PRINT_ANY, "unit", " unit %s",
5876 resource_unit_str_get(resource->unit));
5877
5878 if (resource->size_min != resource->size_max) {
5879 print_uint(PRINT_ANY, "size_min", " size_min %u",
5880 resource->size_min);
5881 pr_out_u64(dl, "size_max", resource->size_max);
5882 print_uint(PRINT_ANY, "size_gran", " size_gran %u",
5883 resource->size_gran);
5884 }
5885
5886 list_for_each_entry(table, &ctx->tables->table_list, list)
5887 if (table->resource_id == resource->id &&
5888 table->resource_valid)
5889 array = true;
5890
5891 if (array)
5892 pr_out_array_start(dl, "dpipe_tables");
5893 else
5894 print_string(PRINT_ANY, "dpipe_tables", " dpipe_tables none",
5895 "none");
5896
5897 list_for_each_entry(table, &ctx->tables->table_list, list) {
5898 if (table->resource_id != resource->id ||
5899 !table->resource_valid)
5900 continue;
5901 pr_out_entry_start(dl);
5902 check_indent_newline(dl);
5903 print_string(PRINT_ANY, "table_name", "table_name %s",
5904 table->name);
5905 pr_out_entry_end(dl);
5906 }
5907 if (array)
5908 pr_out_array_end(dl);
5909
5910 if (list_empty(&resource->resource_list))
5911 return;
5912
5913 if (ctx->pending_change) {
5914 check_indent_newline(dl);
5915 print_string(PRINT_ANY, "size_valid", "size_valid %s",
5916 resource->size_valid ? "true" : "false");
5917 }
5918 pr_out_array_start(dl, "resources");
5919 list_for_each_entry(child_resource, &resource->resource_list, list) {
5920 pr_out_entry_start(dl);
5921 resource_show(child_resource, ctx);
5922 pr_out_entry_end(dl);
5923 }
5924 pr_out_array_end(dl);
5925 }
5926
5927 static void
5928 resources_show(struct resource_ctx *ctx, struct nlattr **tb)
5929 {
5930 struct resources *resources = ctx->resources;
5931 struct resource *resource;
5932
5933 list_for_each_entry(resource, &resources->resource_list, list) {
5934 pr_out_handle_start_arr(ctx->dl, tb);
5935 resource_show(resource, ctx);
5936 pr_out_handle_end(ctx->dl);
5937 }
5938 }
5939
5940 static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
5941 {
5942 return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
5943 }
5944
5945 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
5946 {
5947 struct resource_ctx *ctx = data;
5948 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5949 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5950 int err;
5951
5952 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5953 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5954 !tb[DEVLINK_ATTR_RESOURCE_LIST])
5955 return MNL_CB_ERROR;
5956
5957 err = resources_get(ctx, tb);
5958 if (err) {
5959 ctx->err = err;
5960 return MNL_CB_ERROR;
5961 }
5962
5963 if (ctx->print_resources)
5964 resources_show(ctx, tb);
5965
5966 return MNL_CB_OK;
5967 }
5968
5969 static int cmd_resource_show(struct dl *dl)
5970 {
5971 struct nlmsghdr *nlh;
5972 struct dpipe_ctx dpipe_ctx = {};
5973 struct resource_ctx resource_ctx = {};
5974 int err;
5975
5976 err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
5977 if (err)
5978 return err;
5979
5980 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
5981 NLM_F_REQUEST);
5982 dl_opts_put(nlh, dl);
5983
5984 err = dpipe_ctx_init(&dpipe_ctx, dl);
5985 if (err)
5986 return err;
5987
5988 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
5989 &dpipe_ctx);
5990 if (err) {
5991 pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
5992 goto out;
5993 }
5994
5995 err = resource_ctx_init(&resource_ctx, dl);
5996 if (err)
5997 goto out;
5998
5999 resource_ctx.print_resources = true;
6000 resource_ctx.tables = dpipe_ctx.tables;
6001 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
6002 NLM_F_REQUEST | NLM_F_ACK);
6003 dl_opts_put(nlh, dl);
6004 pr_out_section_start(dl, "resources");
6005 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
6006 &resource_ctx);
6007 pr_out_section_end(dl);
6008 resource_ctx_fini(&resource_ctx);
6009 out:
6010 dpipe_ctx_fini(&dpipe_ctx);
6011 return err;
6012 }
6013
6014 static void cmd_resource_help(void)
6015 {
6016 pr_err("Usage: devlink resource show DEV\n"
6017 " devlink resource set DEV path PATH size SIZE\n");
6018 }
6019
6020 static struct resource *
6021 resource_find_by_name(struct list_head *list, char *name)
6022 {
6023 struct resource *resource;
6024
6025 list_for_each_entry(resource, list, list) {
6026 if (!strcmp(resource->name, name))
6027 return resource;
6028 }
6029 return NULL;
6030 }
6031
6032 static int
6033 resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
6034 uint32_t *p_resource_id, bool *p_resource_valid)
6035 {
6036 struct resource *resource;
6037 uint32_t resource_id = 0;
6038 char *resource_path_dup;
6039 struct list_head *list;
6040 const char del[] = "/";
6041 char *resource_name;
6042
6043 resource_path_dup = strdup(resource_path);
6044 list = &ctx->resources->resource_list;
6045 resource_name = strtok(resource_path_dup, del);
6046 while (resource_name != NULL) {
6047 resource = resource_find_by_name(list, resource_name);
6048 if (!resource)
6049 goto err_resource_lookup;
6050
6051 list = &resource->resource_list;
6052 resource_name = strtok(NULL, del);
6053 resource_id = resource->id;
6054 }
6055 free(resource_path_dup);
6056 *p_resource_valid = true;
6057 *p_resource_id = resource_id;
6058 return 0;
6059
6060 err_resource_lookup:
6061 free(resource_path_dup);
6062 return -EINVAL;
6063 }
6064
6065 static int cmd_resource_set(struct dl *dl)
6066 {
6067 struct nlmsghdr *nlh;
6068 struct resource_ctx ctx = {};
6069 int err;
6070
6071 err = resource_ctx_init(&ctx, dl);
6072 if (err)
6073 return err;
6074
6075 ctx.print_resources = false;
6076 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
6077 DL_OPT_RESOURCE_SIZE, 0);
6078 if (err)
6079 goto out;
6080
6081 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
6082 NLM_F_REQUEST);
6083 dl_opts_put(nlh, dl);
6084 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
6085 if (err) {
6086 pr_err("error getting resources %s\n", strerror(ctx.err));
6087 goto out;
6088 }
6089
6090 err = resource_path_parse(&ctx, dl->opts.resource_path,
6091 &dl->opts.resource_id,
6092 &dl->opts.resource_id_valid);
6093 if (err) {
6094 pr_err("error parsing resource path %s\n", strerror(-err));
6095 goto out;
6096 }
6097
6098 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
6099 NLM_F_REQUEST | NLM_F_ACK);
6100
6101 dl_opts_put(nlh, dl);
6102 err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6103 out:
6104 resource_ctx_fini(&ctx);
6105 return err;
6106 }
6107
6108 static int cmd_resource(struct dl *dl)
6109 {
6110 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
6111 cmd_resource_help();
6112 return 0;
6113 } else if (dl_argv_match(dl, "show")) {
6114 dl_arg_inc(dl);
6115 return cmd_resource_show(dl);
6116 } else if (dl_argv_match(dl, "set")) {
6117 dl_arg_inc(dl);
6118 return cmd_resource_set(dl);
6119 }
6120 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6121 return -ENOENT;
6122 }
6123
6124 static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
6125 {
6126 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
6127 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
6128 const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
6129 char buf[256];
6130
6131 sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
6132 if (dl->json_output)
6133 open_json_object(buf);
6134 else
6135 pr_out("%s:", buf);
6136 }
6137
6138 static void pr_out_region_handle_end(struct dl *dl)
6139 {
6140 if (dl->json_output)
6141 close_json_object();
6142 else
6143 pr_out("\n");
6144 }
6145
6146 static void pr_out_region_snapshots_start(struct dl *dl, bool array)
6147 {
6148 __pr_out_indent_newline(dl);
6149 if (dl->json_output)
6150 open_json_array(PRINT_JSON, "snapshot");
6151 else
6152 pr_out("snapshot %s", array ? "[" : "");
6153 }
6154
6155 static void pr_out_region_snapshots_end(struct dl *dl, bool array)
6156 {
6157 if (dl->json_output)
6158 close_json_array(PRINT_JSON, NULL);
6159 else if (array)
6160 pr_out("]");
6161 }
6162
6163 static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
6164 {
6165 uint32_t snapshot_id;
6166
6167 if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
6168 return;
6169
6170 snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
6171
6172 if (dl->json_output)
6173 print_uint(PRINT_JSON, NULL, NULL, snapshot_id);
6174 else
6175 pr_out("%s%u", index ? " " : "", snapshot_id);
6176 }
6177
6178 static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
6179 {
6180 struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
6181 struct nlattr *nla_sanpshot;
6182 int err, index = 0;
6183
6184 pr_out_region_snapshots_start(dl, true);
6185 mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
6186 err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
6187 if (err != MNL_CB_OK)
6188 return;
6189 pr_out_region_snapshots_id(dl, tb_snapshot, index++);
6190 }
6191 pr_out_region_snapshots_end(dl, true);
6192 }
6193
6194 static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
6195 {
6196 pr_out_region_snapshots_start(dl, false);
6197 pr_out_region_snapshots_id(dl, tb, 0);
6198 pr_out_region_snapshots_end(dl, false);
6199 }
6200
6201 static void pr_out_region(struct dl *dl, struct nlattr **tb)
6202 {
6203 pr_out_region_handle_start(dl, tb);
6204
6205 if (tb[DEVLINK_ATTR_REGION_SIZE])
6206 pr_out_u64(dl, "size",
6207 mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
6208
6209 if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
6210 pr_out_snapshots(dl, tb);
6211
6212 if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
6213 pr_out_snapshot(dl, tb);
6214
6215 pr_out_region_handle_end(dl);
6216 }
6217
6218 static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
6219 {
6220 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6221 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6222 struct dl *dl = data;
6223
6224 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6225 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6226 !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
6227 return MNL_CB_ERROR;
6228
6229 pr_out_region(dl, tb);
6230
6231 return MNL_CB_OK;
6232 }
6233
6234 static int cmd_region_show(struct dl *dl)
6235 {
6236 struct nlmsghdr *nlh;
6237 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6238 int err;
6239
6240 if (dl_argc(dl) == 0)
6241 flags |= NLM_F_DUMP;
6242
6243 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
6244
6245 if (dl_argc(dl) > 0) {
6246 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
6247 if (err)
6248 return err;
6249 }
6250
6251 pr_out_section_start(dl, "regions");
6252 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
6253 pr_out_section_end(dl);
6254 return err;
6255 }
6256
6257 static int cmd_region_snapshot_del(struct dl *dl)
6258 {
6259 struct nlmsghdr *nlh;
6260 int err;
6261
6262 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
6263 NLM_F_REQUEST | NLM_F_ACK);
6264
6265 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6266 DL_OPT_REGION_SNAPSHOT_ID, 0);
6267 if (err)
6268 return err;
6269
6270 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6271 }
6272
6273 static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
6274 {
6275 struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
6276 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6277 struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
6278 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6279 struct dl *dl = data;
6280 int err;
6281
6282 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6283 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6284 !tb[DEVLINK_ATTR_REGION_CHUNKS])
6285 return MNL_CB_ERROR;
6286
6287 mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
6288 err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
6289 if (err != MNL_CB_OK)
6290 return MNL_CB_ERROR;
6291
6292 nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
6293 if (!nla_chunk_data)
6294 continue;
6295
6296 nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
6297 if (!nla_chunk_addr)
6298 continue;
6299
6300 pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
6301 mnl_attr_get_payload_len(nla_chunk_data),
6302 mnl_attr_get_u64(nla_chunk_addr));
6303 }
6304 return MNL_CB_OK;
6305 }
6306
6307 static int cmd_region_dump(struct dl *dl)
6308 {
6309 struct nlmsghdr *nlh;
6310 int err;
6311
6312 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
6313 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
6314
6315 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6316 DL_OPT_REGION_SNAPSHOT_ID, 0);
6317 if (err)
6318 return err;
6319
6320 pr_out_section_start(dl, "dump");
6321 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
6322 pr_out_section_end(dl);
6323 if (!dl->json_output)
6324 pr_out("\n");
6325 return err;
6326 }
6327
6328 static int cmd_region_read(struct dl *dl)
6329 {
6330 struct nlmsghdr *nlh;
6331 int err;
6332
6333 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
6334 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
6335
6336 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6337 DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
6338 DL_OPT_REGION_SNAPSHOT_ID, 0);
6339 if (err)
6340 return err;
6341
6342 pr_out_section_start(dl, "read");
6343 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
6344 pr_out_section_end(dl);
6345 if (!dl->json_output)
6346 pr_out("\n");
6347 return err;
6348 }
6349
6350 static void cmd_region_help(void)
6351 {
6352 pr_err("Usage: devlink region show [ DEV/REGION ]\n");
6353 pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
6354 pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
6355 pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
6356 }
6357
6358 static int cmd_region(struct dl *dl)
6359 {
6360 if (dl_no_arg(dl)) {
6361 return cmd_region_show(dl);
6362 } else if (dl_argv_match(dl, "help")) {
6363 cmd_region_help();
6364 return 0;
6365 } else if (dl_argv_match(dl, "show")) {
6366 dl_arg_inc(dl);
6367 return cmd_region_show(dl);
6368 } else if (dl_argv_match(dl, "del")) {
6369 dl_arg_inc(dl);
6370 return cmd_region_snapshot_del(dl);
6371 } else if (dl_argv_match(dl, "dump")) {
6372 dl_arg_inc(dl);
6373 return cmd_region_dump(dl);
6374 } else if (dl_argv_match(dl, "read")) {
6375 dl_arg_inc(dl);
6376 return cmd_region_read(dl);
6377 }
6378 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6379 return -ENOENT;
6380 }
6381
6382 static int cmd_health_set_params(struct dl *dl)
6383 {
6384 struct nlmsghdr *nlh;
6385 int err;
6386
6387 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET,
6388 NLM_F_REQUEST | NLM_F_ACK);
6389 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME,
6390 DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD |
6391 DL_OPT_HEALTH_REPORTER_AUTO_RECOVER);
6392 if (err)
6393 return err;
6394
6395 dl_opts_put(nlh, dl);
6396 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6397 }
6398
6399 static int cmd_health_dump_clear(struct dl *dl)
6400 {
6401 struct nlmsghdr *nlh;
6402 int err;
6403
6404 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
6405 NLM_F_REQUEST | NLM_F_ACK);
6406
6407 err = dl_argv_parse_put(nlh, dl,
6408 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6409 if (err)
6410 return err;
6411
6412 dl_opts_put(nlh, dl);
6413 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6414 }
6415
6416 static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
6417 {
6418 uint8_t *data;
6419 uint32_t len;
6420
6421 check_indent_newline(dl);
6422 switch (type) {
6423 case MNL_TYPE_FLAG:
6424 print_bool(PRINT_ANY, NULL, "%s", mnl_attr_get_u8(nl_data));
6425 break;
6426 case MNL_TYPE_U8:
6427 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u8(nl_data));
6428 break;
6429 case MNL_TYPE_U16:
6430 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u16(nl_data));
6431 break;
6432 case MNL_TYPE_U32:
6433 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u32(nl_data));
6434 break;
6435 case MNL_TYPE_U64:
6436 print_u64(PRINT_ANY, NULL, "%"PRIu64, mnl_attr_get_u64(nl_data));
6437 break;
6438 case MNL_TYPE_NUL_STRING:
6439 print_string(PRINT_ANY, NULL, "%s", mnl_attr_get_str(nl_data));
6440 break;
6441 case MNL_TYPE_BINARY:
6442 len = mnl_attr_get_payload_len(nl_data);
6443 data = mnl_attr_get_payload(nl_data);
6444 pr_out_binary_value(dl, data, len);
6445 break;
6446 default:
6447 return -EINVAL;
6448 }
6449 return MNL_CB_OK;
6450 }
6451
6452 static void pr_out_fmsg_name(struct dl *dl, char **name)
6453 {
6454 if (!*name)
6455 return;
6456
6457 pr_out_name(dl, *name);
6458 free(*name);
6459 *name = NULL;
6460 }
6461
6462 struct nest_entry {
6463 int attr_type;
6464 struct list_head list;
6465 };
6466
6467 struct fmsg_cb_data {
6468 char *name;
6469 struct dl *dl;
6470 uint8_t value_type;
6471 struct list_head entry_list;
6472 };
6473
6474 static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
6475 uint8_t *attr_value, bool insert)
6476 {
6477 struct nest_entry *entry;
6478
6479 if (insert) {
6480 entry = malloc(sizeof(struct nest_entry));
6481 if (!entry)
6482 return -ENOMEM;
6483
6484 entry->attr_type = *attr_value;
6485 list_add(&entry->list, &fmsg_data->entry_list);
6486 } else {
6487 if (list_empty(&fmsg_data->entry_list))
6488 return MNL_CB_ERROR;
6489 entry = list_first_entry(&fmsg_data->entry_list,
6490 struct nest_entry, list);
6491 *attr_value = entry->attr_type;
6492 list_del(&entry->list);
6493 free(entry);
6494 }
6495 return MNL_CB_OK;
6496 }
6497
6498 static void pr_out_fmsg_group_start(struct dl *dl, char **name)
6499 {
6500 __pr_out_newline();
6501 pr_out_fmsg_name(dl, name);
6502 __pr_out_newline();
6503 __pr_out_indent_inc();
6504 }
6505
6506 static void pr_out_fmsg_group_end(struct dl *dl)
6507 {
6508 __pr_out_newline();
6509 __pr_out_indent_dec();
6510 }
6511
6512 static void pr_out_fmsg_start_object(struct dl *dl, char **name)
6513 {
6514 if (dl->json_output) {
6515 pr_out_fmsg_name(dl, name);
6516 open_json_object(NULL);
6517 } else {
6518 pr_out_fmsg_group_start(dl, name);
6519 }
6520 }
6521
6522 static void pr_out_fmsg_end_object(struct dl *dl)
6523 {
6524 if (dl->json_output)
6525 close_json_object();
6526 else
6527 pr_out_fmsg_group_end(dl);
6528 }
6529
6530 static void pr_out_fmsg_start_array(struct dl *dl, char **name)
6531 {
6532 if (dl->json_output) {
6533 pr_out_fmsg_name(dl, name);
6534 open_json_array(PRINT_JSON, NULL);
6535 } else {
6536 pr_out_fmsg_group_start(dl, name);
6537 }
6538 }
6539
6540 static void pr_out_fmsg_end_array(struct dl *dl)
6541 {
6542 if (dl->json_output)
6543 close_json_array(PRINT_JSON, NULL);
6544 else
6545 pr_out_fmsg_group_end(dl);
6546 }
6547
6548 static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
6549 bool start)
6550 {
6551 struct dl *dl = fmsg_data->dl;
6552 uint8_t value = nest_value;
6553 int err;
6554
6555 err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
6556 if (err != MNL_CB_OK)
6557 return err;
6558
6559 switch (value) {
6560 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6561 if (start)
6562 pr_out_fmsg_start_object(dl, &fmsg_data->name);
6563 else
6564 pr_out_fmsg_end_object(dl);
6565 break;
6566 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6567 break;
6568 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6569 if (start)
6570 pr_out_fmsg_start_array(dl, &fmsg_data->name);
6571 else
6572 pr_out_fmsg_end_array(dl);
6573 break;
6574 default:
6575 return -EINVAL;
6576 }
6577 return MNL_CB_OK;
6578 }
6579
6580 static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
6581 {
6582 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6583 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6584 struct fmsg_cb_data *fmsg_data = data;
6585 struct dl *dl = fmsg_data->dl;
6586 struct nlattr *nla_object;
6587 int attr_type;
6588 int err;
6589
6590 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6591 if (!tb[DEVLINK_ATTR_FMSG])
6592 return MNL_CB_ERROR;
6593
6594 mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
6595 attr_type = mnl_attr_get_type(nla_object);
6596 switch (attr_type) {
6597 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6598 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6599 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6600 err = cmd_fmsg_nest(fmsg_data, attr_type, true);
6601 if (err != MNL_CB_OK)
6602 return err;
6603 break;
6604 case DEVLINK_ATTR_FMSG_NEST_END:
6605 err = cmd_fmsg_nest(fmsg_data, attr_type, false);
6606 if (err != MNL_CB_OK)
6607 return err;
6608 break;
6609 case DEVLINK_ATTR_FMSG_OBJ_NAME:
6610 free(fmsg_data->name);
6611 fmsg_data->name = strdup(mnl_attr_get_str(nla_object));
6612 if (!fmsg_data->name)
6613 return -ENOMEM;
6614 break;
6615 case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
6616 fmsg_data->value_type = mnl_attr_get_u8(nla_object);
6617 break;
6618 case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
6619 pr_out_fmsg_name(dl, &fmsg_data->name);
6620 err = fmsg_value_show(dl, fmsg_data->value_type,
6621 nla_object);
6622 if (err != MNL_CB_OK)
6623 return err;
6624 break;
6625 default:
6626 return -EINVAL;
6627 }
6628 }
6629 return MNL_CB_OK;
6630 }
6631
6632 static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data)
6633 {
6634 /* FMSG is dynamic: opening of an object or array causes a
6635 * newline. JSON starts with an { or [, but plain text should
6636 * not start with a new line. Ensure this by setting
6637 * g_new_line_count to 1: avoiding newline before the first
6638 * print.
6639 */
6640 g_new_line_count = 1;
6641 data->name = NULL;
6642 data->dl = dl;
6643 INIT_LIST_HEAD(&data->entry_list);
6644 }
6645
6646 static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags)
6647 {
6648 struct fmsg_cb_data data;
6649 struct nlmsghdr *nlh;
6650 int err;
6651
6652 nlh = mnlg_msg_prepare(dl->nlg, cmd, flags | NLM_F_REQUEST | NLM_F_ACK);
6653
6654 err = dl_argv_parse_put(nlh, dl,
6655 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6656 if (err)
6657 return err;
6658
6659 cmd_fmsg_init(dl, &data);
6660 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
6661 free(data.name);
6662 return err;
6663 }
6664
6665 static int cmd_health_dump_show(struct dl *dl)
6666 {
6667 return cmd_health_object_common(dl,
6668 DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
6669 NLM_F_DUMP);
6670 }
6671
6672 static int cmd_health_diagnose(struct dl *dl)
6673 {
6674 return cmd_health_object_common(dl,
6675 DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
6676 0);
6677 }
6678
6679 static int cmd_health_recover(struct dl *dl)
6680 {
6681 struct nlmsghdr *nlh;
6682 int err;
6683
6684 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
6685 NLM_F_REQUEST | NLM_F_ACK);
6686
6687 err = dl_argv_parse_put(nlh, dl,
6688 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6689 if (err)
6690 return err;
6691
6692 dl_opts_put(nlh, dl);
6693 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6694 }
6695
6696 enum devlink_health_reporter_state {
6697 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
6698 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
6699 };
6700
6701 static const char *health_state_name(uint8_t state)
6702 {
6703 switch (state) {
6704 case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
6705 return HEALTH_REPORTER_STATE_HEALTHY_STR;
6706 case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
6707 return HEALTH_REPORTER_STATE_ERROR_STR;
6708 default:
6709 return "<unknown state>";
6710 }
6711 }
6712
6713 static void pr_out_dump_reporter_format_logtime(struct dl *dl, const struct nlattr *attr)
6714 {
6715 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6716 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6717 uint64_t time_ms = mnl_attr_get_u64(attr);
6718 struct sysinfo s_info;
6719 struct tm *info;
6720 time_t now, sec;
6721 int err;
6722
6723 time(&now);
6724 info = localtime(&now);
6725 err = sysinfo(&s_info);
6726 if (err)
6727 goto out;
6728 /* Subtract uptime in sec from now yields the time of system
6729 * uptime. To this, add time_ms which is the amount of
6730 * milliseconds elapsed between uptime and the dump taken.
6731 */
6732 sec = now - s_info.uptime + time_ms / 1000;
6733 info = localtime(&sec);
6734 out:
6735 strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
6736 strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
6737 check_indent_newline(dl);
6738 print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
6739 print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
6740 }
6741
6742 static void pr_out_dump_report_timestamp(struct dl *dl, const struct nlattr *attr)
6743 {
6744 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6745 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6746 time_t tv_sec;
6747 struct tm *tm;
6748 uint64_t ts;
6749
6750 ts = mnl_attr_get_u64(attr);
6751 tv_sec = ts / 1000000000;
6752 tm = localtime(&tv_sec);
6753
6754 strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", tm);
6755 strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", tm);
6756
6757 check_indent_newline(dl);
6758 print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
6759 print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
6760 }
6761
6762 static void pr_out_health(struct dl *dl, struct nlattr **tb_health)
6763 {
6764 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6765 enum devlink_health_reporter_state state;
6766 int err;
6767
6768 err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
6769 attr_cb, tb);
6770 if (err != MNL_CB_OK)
6771 return;
6772
6773 if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
6774 !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
6775 !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
6776 !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
6777 return;
6778
6779 pr_out_handle_start_arr(dl, tb_health);
6780
6781 check_indent_newline(dl);
6782 print_string(PRINT_ANY, "reporter", "reporter %s",
6783 mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
6784 if (!dl->json_output) {
6785 __pr_out_newline();
6786 __pr_out_indent_inc();
6787 }
6788 state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
6789 check_indent_newline(dl);
6790 print_string(PRINT_ANY, "state", "state %s", health_state_name(state));
6791 pr_out_u64(dl, "error",
6792 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
6793 pr_out_u64(dl, "recover",
6794 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
6795 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS])
6796 pr_out_dump_report_timestamp(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]);
6797 else if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS])
6798 pr_out_dump_reporter_format_logtime(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]);
6799 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
6800 pr_out_u64(dl, "grace_period",
6801 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
6802 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
6803 print_bool(PRINT_ANY, "auto_recover", " auto_recover %s",
6804 mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
6805
6806 __pr_out_indent_dec();
6807 pr_out_handle_end(dl);
6808 }
6809
6810 static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
6811 {
6812 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6813 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6814 struct dl *dl = data;
6815
6816 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6817 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6818 !tb[DEVLINK_ATTR_HEALTH_REPORTER])
6819 return MNL_CB_ERROR;
6820
6821 pr_out_health(dl, tb);
6822
6823 return MNL_CB_OK;
6824 }
6825
6826 static int cmd_health_show(struct dl *dl)
6827 {
6828 struct nlmsghdr *nlh;
6829 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6830 int err;
6831
6832 if (dl_argc(dl) == 0)
6833 flags |= NLM_F_DUMP;
6834 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
6835 flags);
6836
6837 if (dl_argc(dl) > 0) {
6838 err = dl_argv_parse_put(nlh, dl,
6839 DL_OPT_HANDLE |
6840 DL_OPT_HEALTH_REPORTER_NAME, 0);
6841 if (err)
6842 return err;
6843 }
6844 pr_out_section_start(dl, "health");
6845
6846 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, dl);
6847 pr_out_section_end(dl);
6848 return err;
6849 }
6850
6851 static void cmd_health_help(void)
6852 {
6853 pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
6854 pr_err(" devlink health recover DEV reporter REPORTER_NAME\n");
6855 pr_err(" devlink health diagnose DEV reporter REPORTER_NAME\n");
6856 pr_err(" devlink health dump show DEV reporter REPORTER_NAME\n");
6857 pr_err(" devlink health dump clear DEV reporter REPORTER_NAME\n");
6858 pr_err(" devlink health set DEV reporter REPORTER_NAME { grace_period | auto_recover } { msec | boolean }\n");
6859 }
6860
6861 static int cmd_health(struct dl *dl)
6862 {
6863 if (dl_argv_match(dl, "help")) {
6864 cmd_health_help();
6865 return 0;
6866 } else if (dl_argv_match(dl, "show") ||
6867 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
6868 dl_arg_inc(dl);
6869 return cmd_health_show(dl);
6870 } else if (dl_argv_match(dl, "recover")) {
6871 dl_arg_inc(dl);
6872 return cmd_health_recover(dl);
6873 } else if (dl_argv_match(dl, "diagnose")) {
6874 dl_arg_inc(dl);
6875 return cmd_health_diagnose(dl);
6876 } else if (dl_argv_match(dl, "dump")) {
6877 dl_arg_inc(dl);
6878 if (dl_argv_match(dl, "show")) {
6879 dl_arg_inc(dl);
6880 return cmd_health_dump_show(dl);
6881 } else if (dl_argv_match(dl, "clear")) {
6882 dl_arg_inc(dl);
6883 return cmd_health_dump_clear(dl);
6884 }
6885 } else if (dl_argv_match(dl, "set")) {
6886 dl_arg_inc(dl);
6887 return cmd_health_set_params(dl);
6888 }
6889 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6890 return -ENOENT;
6891 }
6892
6893 static const char *trap_type_name(uint8_t type)
6894 {
6895 switch (type) {
6896 case DEVLINK_TRAP_TYPE_DROP:
6897 return "drop";
6898 case DEVLINK_TRAP_TYPE_EXCEPTION:
6899 return "exception";
6900 default:
6901 return "<unknown type>";
6902 }
6903 }
6904
6905 static const char *trap_action_name(uint8_t action)
6906 {
6907 switch (action) {
6908 case DEVLINK_TRAP_ACTION_DROP:
6909 return "drop";
6910 case DEVLINK_TRAP_ACTION_TRAP:
6911 return "trap";
6912 default:
6913 return "<unknown action>";
6914 }
6915 }
6916
6917 static const char *trap_metadata_name(const struct nlattr *attr)
6918 {
6919 switch (attr->nla_type) {
6920 case DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT:
6921 return "input_port";
6922 default:
6923 return "<unknown metadata type>";
6924 }
6925 }
6926 static void pr_out_trap_metadata(struct dl *dl, struct nlattr *attr)
6927 {
6928 struct nlattr *attr_metadata;
6929
6930 pr_out_array_start(dl, "metadata");
6931 mnl_attr_for_each_nested(attr_metadata, attr) {
6932 check_indent_newline(dl);
6933 print_string(PRINT_ANY, NULL, "%s",
6934 trap_metadata_name(attr_metadata));
6935 }
6936 pr_out_array_end(dl);
6937 }
6938
6939 static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array)
6940 {
6941 uint8_t action = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_ACTION]);
6942 uint8_t type = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_TYPE]);
6943
6944 if (array)
6945 pr_out_handle_start_arr(dl, tb);
6946 else
6947 __pr_out_handle_start(dl, tb, true, false);
6948
6949 check_indent_newline(dl);
6950 print_string(PRINT_ANY, "name", "name %s",
6951 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_NAME]));
6952 print_string(PRINT_ANY, "type", " type %s", trap_type_name(type));
6953 print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
6954 print_string(PRINT_ANY, "action", " action %s", trap_action_name(action));
6955 print_string(PRINT_ANY, "group", " group %s",
6956 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
6957 if (dl->verbose)
6958 pr_out_trap_metadata(dl, tb[DEVLINK_ATTR_TRAP_METADATA]);
6959 pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
6960 pr_out_handle_end(dl);
6961 }
6962
6963 static int cmd_trap_show_cb(const struct nlmsghdr *nlh, void *data)
6964 {
6965 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6966 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6967 struct dl *dl = data;
6968
6969 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6970 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6971 !tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] ||
6972 !tb[DEVLINK_ATTR_TRAP_ACTION] ||
6973 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
6974 !tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS])
6975 return MNL_CB_ERROR;
6976
6977 pr_out_trap(dl, tb, true);
6978
6979 return MNL_CB_OK;
6980 }
6981
6982 static void cmd_trap_help(void)
6983 {
6984 pr_err("Usage: devlink trap set DEV trap TRAP [ action { trap | drop } ]\n");
6985 pr_err(" devlink trap show [ DEV trap TRAP ]\n");
6986 pr_err(" devlink trap group set DEV group GROUP [ action { trap | drop } ]\n");
6987 pr_err(" devlink trap group show [ DEV group GROUP ]\n");
6988 }
6989
6990 static int cmd_trap_show(struct dl *dl)
6991 {
6992 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6993 struct nlmsghdr *nlh;
6994 int err;
6995
6996 if (dl_argc(dl) == 0)
6997 flags |= NLM_F_DUMP;
6998
6999 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GET, flags);
7000
7001 if (dl_argc(dl) > 0) {
7002 err = dl_argv_parse_put(nlh, dl,
7003 DL_OPT_HANDLE | DL_OPT_TRAP_NAME, 0);
7004 if (err)
7005 return err;
7006 }
7007
7008 pr_out_section_start(dl, "trap");
7009 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_show_cb, dl);
7010 pr_out_section_end(dl);
7011
7012 return err;
7013 }
7014
7015 static int cmd_trap_set(struct dl *dl)
7016 {
7017 struct nlmsghdr *nlh;
7018 int err;
7019
7020 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_SET,
7021 NLM_F_REQUEST | NLM_F_ACK);
7022
7023 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_TRAP_NAME,
7024 DL_OPT_TRAP_ACTION);
7025 if (err)
7026 return err;
7027
7028 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
7029 }
7030
7031 static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array)
7032 {
7033 if (array)
7034 pr_out_handle_start_arr(dl, tb);
7035 else
7036 __pr_out_handle_start(dl, tb, true, false);
7037
7038 check_indent_newline(dl);
7039 print_string(PRINT_ANY, "name", "name %s",
7040 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
7041 print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
7042 pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
7043 pr_out_handle_end(dl);
7044 }
7045
7046 static int cmd_trap_group_show_cb(const struct nlmsghdr *nlh, void *data)
7047 {
7048 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
7049 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
7050 struct dl *dl = data;
7051
7052 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
7053 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
7054 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS])
7055 return MNL_CB_ERROR;
7056
7057 pr_out_trap_group(dl, tb, true);
7058
7059 return MNL_CB_OK;
7060 }
7061
7062 static int cmd_trap_group_show(struct dl *dl)
7063 {
7064 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
7065 struct nlmsghdr *nlh;
7066 int err;
7067
7068 if (dl_argc(dl) == 0)
7069 flags |= NLM_F_DUMP;
7070
7071 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags);
7072
7073 if (dl_argc(dl) > 0) {
7074 err = dl_argv_parse_put(nlh, dl,
7075 DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
7076 0);
7077 if (err)
7078 return err;
7079 }
7080
7081 pr_out_section_start(dl, "trap_group");
7082 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_group_show_cb, dl);
7083 pr_out_section_end(dl);
7084
7085 return err;
7086 }
7087
7088 static int cmd_trap_group_set(struct dl *dl)
7089 {
7090 struct nlmsghdr *nlh;
7091 int err;
7092
7093 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_SET,
7094 NLM_F_REQUEST | NLM_F_ACK);
7095
7096 err = dl_argv_parse_put(nlh, dl,
7097 DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
7098 DL_OPT_TRAP_ACTION);
7099 if (err)
7100 return err;
7101
7102 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
7103 }
7104
7105 static int cmd_trap_group(struct dl *dl)
7106 {
7107 if (dl_argv_match(dl, "help")) {
7108 cmd_trap_help();
7109 return 0;
7110 } else if (dl_argv_match(dl, "show") ||
7111 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
7112 dl_arg_inc(dl);
7113 return cmd_trap_group_show(dl);
7114 } else if (dl_argv_match(dl, "set")) {
7115 dl_arg_inc(dl);
7116 return cmd_trap_group_set(dl);
7117 }
7118 pr_err("Command \"%s\" not found\n", dl_argv(dl));
7119 return -ENOENT;
7120 }
7121
7122 static int cmd_trap(struct dl *dl)
7123 {
7124 if (dl_argv_match(dl, "help")) {
7125 cmd_trap_help();
7126 return 0;
7127 } else if (dl_argv_match(dl, "show") ||
7128 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
7129 dl_arg_inc(dl);
7130 return cmd_trap_show(dl);
7131 } else if (dl_argv_match(dl, "set")) {
7132 dl_arg_inc(dl);
7133 return cmd_trap_set(dl);
7134 } else if (dl_argv_match(dl, "group")) {
7135 dl_arg_inc(dl);
7136 return cmd_trap_group(dl);
7137 }
7138 pr_err("Command \"%s\" not found\n", dl_argv(dl));
7139 return -ENOENT;
7140 }
7141
7142 static void help(void)
7143 {
7144 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
7145 " devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n"
7146 "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health | trap }\n"
7147 " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] }\n");
7148 }
7149
7150 static int dl_cmd(struct dl *dl, int argc, char **argv)
7151 {
7152 dl->argc = argc;
7153 dl->argv = argv;
7154
7155 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
7156 help();
7157 return 0;
7158 } else if (dl_argv_match(dl, "dev")) {
7159 dl_arg_inc(dl);
7160 return cmd_dev(dl);
7161 } else if (dl_argv_match(dl, "port")) {
7162 dl_arg_inc(dl);
7163 return cmd_port(dl);
7164 } else if (dl_argv_match(dl, "sb")) {
7165 dl_arg_inc(dl);
7166 return cmd_sb(dl);
7167 } else if (dl_argv_match(dl, "monitor")) {
7168 dl_arg_inc(dl);
7169 return cmd_mon(dl);
7170 } else if (dl_argv_match(dl, "dpipe")) {
7171 dl_arg_inc(dl);
7172 return cmd_dpipe(dl);
7173 } else if (dl_argv_match(dl, "resource")) {
7174 dl_arg_inc(dl);
7175 return cmd_resource(dl);
7176 } else if (dl_argv_match(dl, "region")) {
7177 dl_arg_inc(dl);
7178 return cmd_region(dl);
7179 } else if (dl_argv_match(dl, "health")) {
7180 dl_arg_inc(dl);
7181 return cmd_health(dl);
7182 } else if (dl_argv_match(dl, "trap")) {
7183 dl_arg_inc(dl);
7184 return cmd_trap(dl);
7185 }
7186 pr_err("Object \"%s\" not found\n", dl_argv(dl));
7187 return -ENOENT;
7188 }
7189
7190 static int dl_init(struct dl *dl)
7191 {
7192 int err;
7193
7194 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
7195 if (!dl->nlg) {
7196 pr_err("Failed to connect to devlink Netlink\n");
7197 return -errno;
7198 }
7199
7200 err = ifname_map_init(dl);
7201 if (err) {
7202 pr_err("Failed to create index map\n");
7203 goto err_ifname_map_create;
7204 }
7205 new_json_obj_plain(dl->json_output);
7206 return 0;
7207
7208 err_ifname_map_create:
7209 mnlg_socket_close(dl->nlg);
7210 return err;
7211 }
7212
7213 static void dl_fini(struct dl *dl)
7214 {
7215 delete_json_obj_plain();
7216 ifname_map_fini(dl);
7217 mnlg_socket_close(dl->nlg);
7218 }
7219
7220 static struct dl *dl_alloc(void)
7221 {
7222 struct dl *dl;
7223
7224 dl = calloc(1, sizeof(*dl));
7225 if (!dl)
7226 return NULL;
7227 return dl;
7228 }
7229
7230 static void dl_free(struct dl *dl)
7231 {
7232 free(dl);
7233 }
7234
7235 static int dl_batch(struct dl *dl, const char *name, bool force)
7236 {
7237 char *line = NULL;
7238 size_t len = 0;
7239 int ret = EXIT_SUCCESS;
7240
7241 if (name && strcmp(name, "-") != 0) {
7242 if (freopen(name, "r", stdin) == NULL) {
7243 fprintf(stderr,
7244 "Cannot open file \"%s\" for reading: %s\n",
7245 name, strerror(errno));
7246 return EXIT_FAILURE;
7247 }
7248 }
7249
7250 cmdlineno = 0;
7251 while (getcmdline(&line, &len, stdin) != -1) {
7252 char *largv[100];
7253 int largc;
7254
7255 largc = makeargs(line, largv, 100);
7256 if (!largc)
7257 continue; /* blank line */
7258
7259 if (dl_cmd(dl, largc, largv)) {
7260 fprintf(stderr, "Command failed %s:%d\n",
7261 name, cmdlineno);
7262 ret = EXIT_FAILURE;
7263 if (!force)
7264 break;
7265 }
7266 }
7267
7268 if (line)
7269 free(line);
7270
7271 return ret;
7272 }
7273
7274 int main(int argc, char **argv)
7275 {
7276 static const struct option long_options[] = {
7277 { "Version", no_argument, NULL, 'V' },
7278 { "force", no_argument, NULL, 'f' },
7279 { "batch", required_argument, NULL, 'b' },
7280 { "no-nice-names", no_argument, NULL, 'n' },
7281 { "json", no_argument, NULL, 'j' },
7282 { "pretty", no_argument, NULL, 'p' },
7283 { "verbose", no_argument, NULL, 'v' },
7284 { "statistics", no_argument, NULL, 's' },
7285 { "Netns", required_argument, NULL, 'N' },
7286 { NULL, 0, NULL, 0 }
7287 };
7288 const char *batch_file = NULL;
7289 bool force = false;
7290 struct dl *dl;
7291 int opt;
7292 int err;
7293 int ret;
7294
7295 dl = dl_alloc();
7296 if (!dl) {
7297 pr_err("Failed to allocate memory for devlink\n");
7298 return EXIT_FAILURE;
7299 }
7300
7301 while ((opt = getopt_long(argc, argv, "Vfb:njpvsN:",
7302 long_options, NULL)) >= 0) {
7303
7304 switch (opt) {
7305 case 'V':
7306 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
7307 ret = EXIT_SUCCESS;
7308 goto dl_free;
7309 case 'f':
7310 force = true;
7311 break;
7312 case 'b':
7313 batch_file = optarg;
7314 break;
7315 case 'n':
7316 dl->no_nice_names = true;
7317 break;
7318 case 'j':
7319 dl->json_output = true;
7320 break;
7321 case 'p':
7322 pretty = true;
7323 break;
7324 case 'v':
7325 dl->verbose = true;
7326 break;
7327 case 's':
7328 dl->stats = true;
7329 break;
7330 case 'N':
7331 if (netns_switch(optarg)) {
7332 ret = EXIT_FAILURE;
7333 goto dl_free;
7334 }
7335 break;
7336 default:
7337 pr_err("Unknown option.\n");
7338 help();
7339 ret = EXIT_FAILURE;
7340 goto dl_free;
7341 }
7342 }
7343
7344 argc -= optind;
7345 argv += optind;
7346
7347 err = dl_init(dl);
7348 if (err) {
7349 ret = EXIT_FAILURE;
7350 goto dl_free;
7351 }
7352
7353 if (batch_file)
7354 err = dl_batch(dl, batch_file, force);
7355 else
7356 err = dl_cmd(dl, argc, argv);
7357
7358 if (err) {
7359 ret = EXIT_FAILURE;
7360 goto dl_fini;
7361 }
7362
7363 ret = EXIT_SUCCESS;
7364
7365 dl_fini:
7366 dl_fini(dl);
7367 dl_free:
7368 dl_free(dl);
7369
7370 return ret;
7371 }
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