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devlink: Replace pr_out_bool/uint() wrappers with common print functions
[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 close(pipe_r);
3070 err = _mnlg_socket_send(dl->nlg, nlh);
3071 write(pipe_w, &err, sizeof(err));
3072 close(pipe_w);
3073 exit(0);
3074 }
3075 close(pipe_w);
3076
3077 do {
3078 err = cmd_dev_flash_fds_process(&ctx, nlg_ntf, pipe_r);
3079 if (err)
3080 goto out;
3081 } while (!ctx.flash_done || (ctx.not_first && !ctx.received_end));
3082
3083 err = _mnlg_socket_recv_run(dl->nlg, NULL, NULL);
3084 out:
3085 close(pipe_r);
3086 mnlg_socket_close(nlg_ntf);
3087 return err;
3088 }
3089
3090 static int cmd_dev(struct dl *dl)
3091 {
3092 if (dl_argv_match(dl, "help")) {
3093 cmd_dev_help();
3094 return 0;
3095 } else if (dl_argv_match(dl, "show") ||
3096 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3097 dl_arg_inc(dl);
3098 return cmd_dev_show(dl);
3099 } else if (dl_argv_match(dl, "eswitch")) {
3100 dl_arg_inc(dl);
3101 return cmd_dev_eswitch(dl);
3102 } else if (dl_argv_match(dl, "reload")) {
3103 dl_arg_inc(dl);
3104 return cmd_dev_reload(dl);
3105 } else if (dl_argv_match(dl, "param")) {
3106 dl_arg_inc(dl);
3107 return cmd_dev_param(dl);
3108 } else if (dl_argv_match(dl, "info")) {
3109 dl_arg_inc(dl);
3110 return cmd_dev_info(dl);
3111 } else if (dl_argv_match(dl, "flash")) {
3112 dl_arg_inc(dl);
3113 return cmd_dev_flash(dl);
3114 }
3115 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3116 return -ENOENT;
3117 }
3118
3119 static void cmd_port_help(void)
3120 {
3121 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
3122 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
3123 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
3124 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
3125 }
3126
3127 static const char *port_type_name(uint32_t type)
3128 {
3129 switch (type) {
3130 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
3131 case DEVLINK_PORT_TYPE_AUTO: return "auto";
3132 case DEVLINK_PORT_TYPE_ETH: return "eth";
3133 case DEVLINK_PORT_TYPE_IB: return "ib";
3134 default: return "<unknown type>";
3135 }
3136 }
3137
3138 static const char *port_flavour_name(uint16_t flavour)
3139 {
3140 switch (flavour) {
3141 case DEVLINK_PORT_FLAVOUR_PHYSICAL:
3142 return "physical";
3143 case DEVLINK_PORT_FLAVOUR_CPU:
3144 return "cpu";
3145 case DEVLINK_PORT_FLAVOUR_DSA:
3146 return "dsa";
3147 case DEVLINK_PORT_FLAVOUR_PCI_PF:
3148 return "pcipf";
3149 case DEVLINK_PORT_FLAVOUR_PCI_VF:
3150 return "pcivf";
3151 default:
3152 return "<unknown flavour>";
3153 }
3154 }
3155
3156 static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
3157 {
3158 uint16_t fn_num;
3159
3160 if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
3161 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
3162 print_uint(PRINT_ANY, "pfnum", " pfnum %u", fn_num);
3163 }
3164 if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) {
3165 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
3166 print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num);
3167 }
3168 }
3169
3170 static void pr_out_port(struct dl *dl, struct nlattr **tb)
3171 {
3172 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
3173 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
3174
3175 pr_out_port_handle_start(dl, tb, false);
3176 check_indent_newline(dl);
3177 if (pt_attr) {
3178 uint16_t port_type = mnl_attr_get_u16(pt_attr);
3179
3180 print_string(PRINT_ANY, "type", "type %s",
3181 port_type_name(port_type));
3182 if (dpt_attr) {
3183 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
3184
3185 if (port_type != des_port_type)
3186 print_string(PRINT_ANY, "des_type", " des_type %s",
3187 port_type_name(des_port_type));
3188 }
3189 }
3190 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) {
3191 print_string(PRINT_ANY, "netdev", " netdev %s",
3192 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
3193 }
3194 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME]) {
3195 print_string(PRINT_ANY, "ibdev", " ibdev %s",
3196 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
3197 }
3198 if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
3199 uint16_t port_flavour =
3200 mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
3201
3202 print_string(PRINT_ANY, "flavour", " flavour %s",
3203 port_flavour_name(port_flavour));
3204
3205 switch (port_flavour) {
3206 case DEVLINK_PORT_FLAVOUR_PCI_PF:
3207 case DEVLINK_PORT_FLAVOUR_PCI_VF:
3208 pr_out_port_pfvf_num(dl, tb);
3209 break;
3210 default:
3211 break;
3212 }
3213 }
3214 if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
3215 uint32_t port_number;
3216
3217 port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]);
3218 print_uint(PRINT_ANY, "port", " port %u", port_number);
3219 }
3220 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
3221 print_uint(PRINT_ANY, "split_group", " split_group %u",
3222 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
3223 pr_out_port_handle_end(dl);
3224 }
3225
3226 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
3227 {
3228 struct dl *dl = data;
3229 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3230 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3231
3232 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3233 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3234 !tb[DEVLINK_ATTR_PORT_INDEX])
3235 return MNL_CB_ERROR;
3236 pr_out_port(dl, tb);
3237 return MNL_CB_OK;
3238 }
3239
3240 static int cmd_port_show(struct dl *dl)
3241 {
3242 struct nlmsghdr *nlh;
3243 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3244 int err;
3245
3246 if (dl_argc(dl) == 0)
3247 flags |= NLM_F_DUMP;
3248
3249 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
3250
3251 if (dl_argc(dl) > 0) {
3252 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
3253 if (err)
3254 return err;
3255 }
3256
3257 pr_out_section_start(dl, "port");
3258 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
3259 pr_out_section_end(dl);
3260 return err;
3261 }
3262
3263 static int cmd_port_set(struct dl *dl)
3264 {
3265 struct nlmsghdr *nlh;
3266 int err;
3267
3268 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
3269 NLM_F_REQUEST | NLM_F_ACK);
3270
3271 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
3272 if (err)
3273 return err;
3274
3275 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3276 }
3277
3278 static int cmd_port_split(struct dl *dl)
3279 {
3280 struct nlmsghdr *nlh;
3281 int err;
3282
3283 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
3284 NLM_F_REQUEST | NLM_F_ACK);
3285
3286 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
3287 if (err)
3288 return err;
3289
3290 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3291 }
3292
3293 static int cmd_port_unsplit(struct dl *dl)
3294 {
3295 struct nlmsghdr *nlh;
3296 int err;
3297
3298 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
3299 NLM_F_REQUEST | NLM_F_ACK);
3300
3301 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
3302 if (err)
3303 return err;
3304
3305 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3306 }
3307
3308 static int cmd_port(struct dl *dl)
3309 {
3310 if (dl_argv_match(dl, "help")) {
3311 cmd_port_help();
3312 return 0;
3313 } else if (dl_argv_match(dl, "show") ||
3314 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3315 dl_arg_inc(dl);
3316 return cmd_port_show(dl);
3317 } else if (dl_argv_match(dl, "set")) {
3318 dl_arg_inc(dl);
3319 return cmd_port_set(dl);
3320 } else if (dl_argv_match(dl, "split")) {
3321 dl_arg_inc(dl);
3322 return cmd_port_split(dl);
3323 } else if (dl_argv_match(dl, "unsplit")) {
3324 dl_arg_inc(dl);
3325 return cmd_port_unsplit(dl);
3326 }
3327 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3328 return -ENOENT;
3329 }
3330
3331 static void cmd_sb_help(void)
3332 {
3333 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
3334 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
3335 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
3336 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
3337 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
3338 pr_err(" pool POOL_INDEX ]\n");
3339 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
3340 pr_err(" pool POOL_INDEX th THRESHOLD\n");
3341 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
3342 pr_err(" type { ingress | egress } ]\n");
3343 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
3344 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
3345 pr_err(" th THRESHOLD\n");
3346 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
3347 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
3348 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
3349 }
3350
3351 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
3352 {
3353 pr_out_handle_start_arr(dl, tb);
3354 check_indent_newline(dl);
3355 print_uint(PRINT_ANY, "sb", "sb %u",
3356 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3357 print_uint(PRINT_ANY, "size", " size %u",
3358 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
3359 print_uint(PRINT_ANY, "ing_pools", " ing_pools %u",
3360 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
3361 print_uint(PRINT_ANY, "eg_pools", " eg_pools %u",
3362 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
3363 print_uint(PRINT_ANY, "ing_tcs", " ing_tcs %u",
3364 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
3365 print_uint(PRINT_ANY, "eg_tcs", " eg_tcs %u",
3366 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
3367 pr_out_handle_end(dl);
3368 }
3369
3370 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
3371 {
3372 struct dl *dl = data;
3373 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3374 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3375
3376 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3377 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3378 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
3379 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
3380 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
3381 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
3382 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
3383 return MNL_CB_ERROR;
3384 pr_out_sb(dl, tb);
3385 return MNL_CB_OK;
3386 }
3387
3388 static int cmd_sb_show(struct dl *dl)
3389 {
3390 struct nlmsghdr *nlh;
3391 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3392 int err;
3393
3394 if (dl_argc(dl) == 0)
3395 flags |= NLM_F_DUMP;
3396
3397 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
3398
3399 if (dl_argc(dl) > 0) {
3400 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3401 if (err)
3402 return err;
3403 }
3404
3405 pr_out_section_start(dl, "sb");
3406 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
3407 pr_out_section_end(dl);
3408 return err;
3409 }
3410
3411 static const char *pool_type_name(uint8_t type)
3412 {
3413 switch (type) {
3414 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
3415 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
3416 default: return "<unknown type>";
3417 }
3418 }
3419
3420 static const char *threshold_type_name(uint8_t type)
3421 {
3422 switch (type) {
3423 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
3424 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
3425 default: return "<unknown type>";
3426 }
3427 }
3428
3429 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
3430 {
3431 pr_out_handle_start_arr(dl, tb);
3432 check_indent_newline(dl);
3433 print_uint(PRINT_ANY, "sb", "sb %u",
3434 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3435 print_uint(PRINT_ANY, "pool", " pool %u",
3436 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3437 print_string(PRINT_ANY, "type", " type %s",
3438 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3439 print_uint(PRINT_ANY, "size", " size %u",
3440 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
3441 print_string(PRINT_ANY, "thtype", " thtype %s",
3442 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
3443 if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
3444 print_uint(PRINT_ANY, "cell_size", " cell size %u",
3445 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
3446 pr_out_handle_end(dl);
3447 }
3448
3449 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3450 {
3451 struct dl *dl = data;
3452 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3453 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3454
3455 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3456 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3457 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3458 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
3459 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
3460 return MNL_CB_ERROR;
3461 pr_out_sb_pool(dl, tb);
3462 return MNL_CB_OK;
3463 }
3464
3465 static int cmd_sb_pool_show(struct dl *dl)
3466 {
3467 struct nlmsghdr *nlh;
3468 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3469 int err;
3470
3471 if (dl_argc(dl) == 0)
3472 flags |= NLM_F_DUMP;
3473
3474 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
3475
3476 if (dl_argc(dl) > 0) {
3477 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
3478 DL_OPT_SB);
3479 if (err)
3480 return err;
3481 }
3482
3483 pr_out_section_start(dl, "pool");
3484 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
3485 pr_out_section_end(dl);
3486 return err;
3487 }
3488
3489 static int cmd_sb_pool_set(struct dl *dl)
3490 {
3491 struct nlmsghdr *nlh;
3492 int err;
3493
3494 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
3495 NLM_F_REQUEST | NLM_F_ACK);
3496
3497 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
3498 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
3499 if (err)
3500 return err;
3501
3502 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3503 }
3504
3505 static int cmd_sb_pool(struct dl *dl)
3506 {
3507 if (dl_argv_match(dl, "help")) {
3508 cmd_sb_help();
3509 return 0;
3510 } else if (dl_argv_match(dl, "show") ||
3511 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3512 dl_arg_inc(dl);
3513 return cmd_sb_pool_show(dl);
3514 } else if (dl_argv_match(dl, "set")) {
3515 dl_arg_inc(dl);
3516 return cmd_sb_pool_set(dl);
3517 }
3518 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3519 return -ENOENT;
3520 }
3521
3522 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
3523 {
3524 pr_out_port_handle_start_arr(dl, tb, true);
3525 check_indent_newline(dl);
3526 print_uint(PRINT_ANY, "sb", "sb %u",
3527 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3528 print_uint(PRINT_ANY, "pool", " pool %u",
3529 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3530 print_uint(PRINT_ANY, "threshold", " threshold %u",
3531 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3532 pr_out_port_handle_end(dl);
3533 }
3534
3535 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3536 {
3537 struct dl *dl = data;
3538 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3539 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3540
3541 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3542 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3543 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3544 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3545 return MNL_CB_ERROR;
3546 pr_out_sb_port_pool(dl, tb);
3547 return MNL_CB_OK;
3548 }
3549
3550 static int cmd_sb_port_pool_show(struct dl *dl)
3551 {
3552 struct nlmsghdr *nlh;
3553 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3554 int err;
3555
3556 if (dl_argc(dl) == 0)
3557 flags |= NLM_F_DUMP;
3558
3559 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3560
3561 if (dl_argc(dl) > 0) {
3562 err = dl_argv_parse_put(nlh, dl,
3563 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
3564 DL_OPT_SB);
3565 if (err)
3566 return err;
3567 }
3568
3569 pr_out_section_start(dl, "port_pool");
3570 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
3571 pr_out_section_end(dl);
3572 return 0;
3573 }
3574
3575 static int cmd_sb_port_pool_set(struct dl *dl)
3576 {
3577 struct nlmsghdr *nlh;
3578 int err;
3579
3580 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
3581 NLM_F_REQUEST | NLM_F_ACK);
3582
3583 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
3584 DL_OPT_SB_TH, DL_OPT_SB);
3585 if (err)
3586 return err;
3587
3588 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3589 }
3590
3591 static int cmd_sb_port_pool(struct dl *dl)
3592 {
3593 if (dl_argv_match(dl, "help")) {
3594 cmd_sb_help();
3595 return 0;
3596 } else if (dl_argv_match(dl, "show") ||
3597 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3598 dl_arg_inc(dl);
3599 return cmd_sb_port_pool_show(dl);
3600 } else if (dl_argv_match(dl, "set")) {
3601 dl_arg_inc(dl);
3602 return cmd_sb_port_pool_set(dl);
3603 }
3604 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3605 return -ENOENT;
3606 }
3607
3608 static int cmd_sb_port(struct dl *dl)
3609 {
3610 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3611 cmd_sb_help();
3612 return 0;
3613 } else if (dl_argv_match(dl, "pool")) {
3614 dl_arg_inc(dl);
3615 return cmd_sb_port_pool(dl);
3616 }
3617 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3618 return -ENOENT;
3619 }
3620
3621 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
3622 {
3623 pr_out_port_handle_start_arr(dl, tb, true);
3624 check_indent_newline(dl);
3625 print_uint(PRINT_ANY, "sb", "sb %u",
3626 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3627 print_uint(PRINT_ANY, "tc", " tc %u",
3628 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
3629 print_string(PRINT_ANY, "type", " type %s",
3630 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3631 print_uint(PRINT_ANY, "pool", " pool %u",
3632 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3633 print_uint(PRINT_ANY, "threshold", " threshold %u",
3634 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3635 pr_out_port_handle_end(dl);
3636 }
3637
3638 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
3639 {
3640 struct dl *dl = data;
3641 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3642 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3643
3644 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3645 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3646 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3647 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3648 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3649 return MNL_CB_ERROR;
3650 pr_out_sb_tc_bind(dl, tb);
3651 return MNL_CB_OK;
3652 }
3653
3654 static int cmd_sb_tc_bind_show(struct dl *dl)
3655 {
3656 struct nlmsghdr *nlh;
3657 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3658 int err;
3659
3660 if (dl_argc(dl) == 0)
3661 flags |= NLM_F_DUMP;
3662
3663 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3664
3665 if (dl_argc(dl) > 0) {
3666 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3667 DL_OPT_SB_TYPE, DL_OPT_SB);
3668 if (err)
3669 return err;
3670 }
3671
3672 pr_out_section_start(dl, "tc_bind");
3673 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
3674 pr_out_section_end(dl);
3675 return err;
3676 }
3677
3678 static int cmd_sb_tc_bind_set(struct dl *dl)
3679 {
3680 struct nlmsghdr *nlh;
3681 int err;
3682
3683 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
3684 NLM_F_REQUEST | NLM_F_ACK);
3685
3686 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3687 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
3688 DL_OPT_SB);
3689 if (err)
3690 return err;
3691
3692 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3693 }
3694
3695 static int cmd_sb_tc_bind(struct dl *dl)
3696 {
3697 if (dl_argv_match(dl, "help")) {
3698 cmd_sb_help();
3699 return 0;
3700 } else if (dl_argv_match(dl, "show") ||
3701 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3702 dl_arg_inc(dl);
3703 return cmd_sb_tc_bind_show(dl);
3704 } else if (dl_argv_match(dl, "set")) {
3705 dl_arg_inc(dl);
3706 return cmd_sb_tc_bind_set(dl);
3707 }
3708 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3709 return -ENOENT;
3710 }
3711
3712 static int cmd_sb_tc(struct dl *dl)
3713 {
3714 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3715 cmd_sb_help();
3716 return 0;
3717 } else if (dl_argv_match(dl, "bind")) {
3718 dl_arg_inc(dl);
3719 return cmd_sb_tc_bind(dl);
3720 }
3721 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3722 return -ENOENT;
3723 }
3724
3725 struct occ_item {
3726 struct list_head list;
3727 uint32_t index;
3728 uint32_t cur;
3729 uint32_t max;
3730 uint32_t bound_pool_index;
3731 };
3732
3733 struct occ_port {
3734 struct list_head list;
3735 char *bus_name;
3736 char *dev_name;
3737 uint32_t port_index;
3738 uint32_t sb_index;
3739 struct list_head pool_list;
3740 struct list_head ing_tc_list;
3741 struct list_head eg_tc_list;
3742 };
3743
3744 struct occ_show {
3745 struct dl *dl;
3746 int err;
3747 struct list_head port_list;
3748 };
3749
3750 static struct occ_item *occ_item_alloc(void)
3751 {
3752 return calloc(1, sizeof(struct occ_item));
3753 }
3754
3755 static void occ_item_free(struct occ_item *occ_item)
3756 {
3757 free(occ_item);
3758 }
3759
3760 static struct occ_port *occ_port_alloc(uint32_t port_index)
3761 {
3762 struct occ_port *occ_port;
3763
3764 occ_port = calloc(1, sizeof(*occ_port));
3765 if (!occ_port)
3766 return NULL;
3767 occ_port->port_index = port_index;
3768 INIT_LIST_HEAD(&occ_port->pool_list);
3769 INIT_LIST_HEAD(&occ_port->ing_tc_list);
3770 INIT_LIST_HEAD(&occ_port->eg_tc_list);
3771 return occ_port;
3772 }
3773
3774 static void occ_port_free(struct occ_port *occ_port)
3775 {
3776 struct occ_item *occ_item, *tmp;
3777
3778 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
3779 occ_item_free(occ_item);
3780 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
3781 occ_item_free(occ_item);
3782 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
3783 occ_item_free(occ_item);
3784 }
3785
3786 static struct occ_show *occ_show_alloc(struct dl *dl)
3787 {
3788 struct occ_show *occ_show;
3789
3790 occ_show = calloc(1, sizeof(*occ_show));
3791 if (!occ_show)
3792 return NULL;
3793 occ_show->dl = dl;
3794 INIT_LIST_HEAD(&occ_show->port_list);
3795 return occ_show;
3796 }
3797
3798 static void occ_show_free(struct occ_show *occ_show)
3799 {
3800 struct occ_port *occ_port, *tmp;
3801
3802 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
3803 occ_port_free(occ_port);
3804 }
3805
3806 static struct occ_port *occ_port_get(struct occ_show *occ_show,
3807 struct nlattr **tb)
3808 {
3809 struct occ_port *occ_port;
3810 uint32_t port_index;
3811
3812 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
3813
3814 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
3815 if (occ_port->port_index == port_index)
3816 return occ_port;
3817 }
3818 occ_port = occ_port_alloc(port_index);
3819 if (!occ_port)
3820 return NULL;
3821 list_add_tail(&occ_port->list, &occ_show->port_list);
3822 return occ_port;
3823 }
3824
3825 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
3826 bool bound_pool)
3827 {
3828 struct occ_item *occ_item;
3829 int i = 1;
3830
3831 pr_out_sp(7, " %s:", label);
3832 list_for_each_entry(occ_item, list, list) {
3833 if ((i - 1) % 4 == 0 && i != 1)
3834 pr_out_sp(7, " ");
3835 if (bound_pool)
3836 pr_out_sp(7, "%2u(%u):", occ_item->index,
3837 occ_item->bound_pool_index);
3838 else
3839 pr_out_sp(7, "%2u:", occ_item->index);
3840 pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max);
3841 if (i++ % 4 == 0)
3842 pr_out("\n");
3843 }
3844 if ((i - 1) % 4 != 0)
3845 pr_out("\n");
3846 }
3847
3848 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
3849 struct list_head *list,
3850 bool bound_pool)
3851 {
3852 struct occ_item *occ_item;
3853 char buf[32];
3854
3855 open_json_object(label);
3856 list_for_each_entry(occ_item, list, list) {
3857 sprintf(buf, "%u", occ_item->index);
3858 open_json_object(buf);
3859 if (bound_pool)
3860 print_uint(PRINT_JSON, "bound_pool", NULL,
3861 occ_item->bound_pool_index);
3862 print_uint(PRINT_JSON, "current", NULL, occ_item->cur);
3863 print_uint(PRINT_JSON, "max", NULL, occ_item->max);
3864 close_json_object();
3865 }
3866 close_json_object();
3867 }
3868
3869 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
3870 {
3871 if (dl->json_output) {
3872 pr_out_json_occ_show_item_list(dl, "pool",
3873 &occ_port->pool_list, false);
3874 pr_out_json_occ_show_item_list(dl, "itc",
3875 &occ_port->ing_tc_list, true);
3876 pr_out_json_occ_show_item_list(dl, "etc",
3877 &occ_port->eg_tc_list, true);
3878 } else {
3879 pr_out("\n");
3880 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
3881 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
3882 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
3883 }
3884 }
3885
3886 static void pr_out_occ_show(struct occ_show *occ_show)
3887 {
3888 struct dl *dl = occ_show->dl;
3889 struct dl_opts *opts = &dl->opts;
3890 struct occ_port *occ_port;
3891
3892 list_for_each_entry(occ_port, &occ_show->port_list, list) {
3893 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
3894 occ_port->port_index, true, false);
3895 pr_out_occ_show_port(dl, occ_port);
3896 pr_out_port_handle_end(dl);
3897 }
3898 }
3899
3900 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
3901 struct nlattr **tb)
3902 {
3903 struct occ_port *occ_port;
3904 struct occ_item *occ_item;
3905
3906 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3907 return;
3908
3909 occ_port = occ_port_get(occ_show, tb);
3910 if (!occ_port) {
3911 occ_show->err = -ENOMEM;
3912 return;
3913 }
3914
3915 occ_item = occ_item_alloc();
3916 if (!occ_item) {
3917 occ_show->err = -ENOMEM;
3918 return;
3919 }
3920 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3921 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3922 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3923 list_add_tail(&occ_item->list, &occ_port->pool_list);
3924 }
3925
3926 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3927 {
3928 struct occ_show *occ_show = data;
3929 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3930 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3931
3932 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3933 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3934 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3935 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3936 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3937 return MNL_CB_ERROR;
3938 cmd_sb_occ_port_pool_process(occ_show, tb);
3939 return MNL_CB_OK;
3940 }
3941
3942 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
3943 struct nlattr **tb)
3944 {
3945 struct occ_port *occ_port;
3946 struct occ_item *occ_item;
3947 uint8_t pool_type;
3948
3949 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3950 return;
3951
3952 occ_port = occ_port_get(occ_show, tb);
3953 if (!occ_port) {
3954 occ_show->err = -ENOMEM;
3955 return;
3956 }
3957
3958 occ_item = occ_item_alloc();
3959 if (!occ_item) {
3960 occ_show->err = -ENOMEM;
3961 return;
3962 }
3963 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
3964 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3965 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3966 occ_item->bound_pool_index =
3967 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3968 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
3969 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
3970 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
3971 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
3972 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
3973 else
3974 occ_item_free(occ_item);
3975 }
3976
3977 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3978 {
3979 struct occ_show *occ_show = data;
3980 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3981 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3982
3983 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3984 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3985 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3986 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3987 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3988 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3989 return MNL_CB_ERROR;
3990 cmd_sb_occ_tc_pool_process(occ_show, tb);
3991 return MNL_CB_OK;
3992 }
3993
3994 static int cmd_sb_occ_show(struct dl *dl)
3995 {
3996 struct nlmsghdr *nlh;
3997 struct occ_show *occ_show;
3998 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
3999 int err;
4000
4001 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
4002 if (err)
4003 return err;
4004
4005 occ_show = occ_show_alloc(dl);
4006 if (!occ_show)
4007 return -ENOMEM;
4008
4009 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
4010
4011 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
4012 cmd_sb_occ_port_pool_process_cb, occ_show);
4013 if (err)
4014 goto out;
4015
4016 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
4017
4018 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
4019 cmd_sb_occ_tc_pool_process_cb, occ_show);
4020 if (err)
4021 goto out;
4022
4023 pr_out_section_start(dl, "occupancy");
4024 pr_out_occ_show(occ_show);
4025 pr_out_section_end(dl);
4026
4027 out:
4028 occ_show_free(occ_show);
4029 return err;
4030 }
4031
4032 static int cmd_sb_occ_snapshot(struct dl *dl)
4033 {
4034 struct nlmsghdr *nlh;
4035 int err;
4036
4037 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
4038 NLM_F_REQUEST | NLM_F_ACK);
4039
4040 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
4041 if (err)
4042 return err;
4043
4044 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4045 }
4046
4047 static int cmd_sb_occ_clearmax(struct dl *dl)
4048 {
4049 struct nlmsghdr *nlh;
4050 int err;
4051
4052 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
4053 NLM_F_REQUEST | NLM_F_ACK);
4054
4055 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
4056 if (err)
4057 return err;
4058
4059 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4060 }
4061
4062 static int cmd_sb_occ(struct dl *dl)
4063 {
4064 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4065 cmd_sb_help();
4066 return 0;
4067 } else if (dl_argv_match(dl, "show") ||
4068 dl_argv_match(dl, "list")) {
4069 dl_arg_inc(dl);
4070 return cmd_sb_occ_show(dl);
4071 } else if (dl_argv_match(dl, "snapshot")) {
4072 dl_arg_inc(dl);
4073 return cmd_sb_occ_snapshot(dl);
4074 } else if (dl_argv_match(dl, "clearmax")) {
4075 dl_arg_inc(dl);
4076 return cmd_sb_occ_clearmax(dl);
4077 }
4078 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4079 return -ENOENT;
4080 }
4081
4082 static int cmd_sb(struct dl *dl)
4083 {
4084 if (dl_argv_match(dl, "help")) {
4085 cmd_sb_help();
4086 return 0;
4087 } else if (dl_argv_match(dl, "show") ||
4088 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
4089 dl_arg_inc(dl);
4090 return cmd_sb_show(dl);
4091 } else if (dl_argv_match(dl, "pool")) {
4092 dl_arg_inc(dl);
4093 return cmd_sb_pool(dl);
4094 } else if (dl_argv_match(dl, "port")) {
4095 dl_arg_inc(dl);
4096 return cmd_sb_port(dl);
4097 } else if (dl_argv_match(dl, "tc")) {
4098 dl_arg_inc(dl);
4099 return cmd_sb_tc(dl);
4100 } else if (dl_argv_match(dl, "occupancy")) {
4101 dl_arg_inc(dl);
4102 return cmd_sb_occ(dl);
4103 }
4104 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4105 return -ENOENT;
4106 }
4107
4108 static const char *cmd_name(uint8_t cmd)
4109 {
4110 switch (cmd) {
4111 case DEVLINK_CMD_UNSPEC: return "unspec";
4112 case DEVLINK_CMD_GET: return "get";
4113 case DEVLINK_CMD_SET: return "set";
4114 case DEVLINK_CMD_NEW: return "new";
4115 case DEVLINK_CMD_DEL: return "del";
4116 case DEVLINK_CMD_PORT_GET: return "get";
4117 case DEVLINK_CMD_PORT_SET: return "set";
4118 case DEVLINK_CMD_PORT_NEW: return "new";
4119 case DEVLINK_CMD_PORT_DEL: return "del";
4120 case DEVLINK_CMD_PARAM_GET: return "get";
4121 case DEVLINK_CMD_PARAM_SET: return "set";
4122 case DEVLINK_CMD_PARAM_NEW: return "new";
4123 case DEVLINK_CMD_PARAM_DEL: return "del";
4124 case DEVLINK_CMD_REGION_GET: return "get";
4125 case DEVLINK_CMD_REGION_SET: return "set";
4126 case DEVLINK_CMD_REGION_NEW: return "new";
4127 case DEVLINK_CMD_REGION_DEL: return "del";
4128 case DEVLINK_CMD_FLASH_UPDATE: return "begin";
4129 case DEVLINK_CMD_FLASH_UPDATE_END: return "end";
4130 case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status";
4131 case DEVLINK_CMD_TRAP_GET: return "get";
4132 case DEVLINK_CMD_TRAP_SET: return "set";
4133 case DEVLINK_CMD_TRAP_NEW: return "new";
4134 case DEVLINK_CMD_TRAP_DEL: return "del";
4135 case DEVLINK_CMD_TRAP_GROUP_GET: return "get";
4136 case DEVLINK_CMD_TRAP_GROUP_SET: return "set";
4137 case DEVLINK_CMD_TRAP_GROUP_NEW: return "new";
4138 case DEVLINK_CMD_TRAP_GROUP_DEL: return "del";
4139 default: return "<unknown cmd>";
4140 }
4141 }
4142
4143 static const char *cmd_obj(uint8_t cmd)
4144 {
4145 switch (cmd) {
4146 case DEVLINK_CMD_UNSPEC: return "unspec";
4147 case DEVLINK_CMD_GET:
4148 case DEVLINK_CMD_SET:
4149 case DEVLINK_CMD_NEW:
4150 case DEVLINK_CMD_DEL:
4151 return "dev";
4152 case DEVLINK_CMD_PORT_GET:
4153 case DEVLINK_CMD_PORT_SET:
4154 case DEVLINK_CMD_PORT_NEW:
4155 case DEVLINK_CMD_PORT_DEL:
4156 return "port";
4157 case DEVLINK_CMD_PARAM_GET:
4158 case DEVLINK_CMD_PARAM_SET:
4159 case DEVLINK_CMD_PARAM_NEW:
4160 case DEVLINK_CMD_PARAM_DEL:
4161 return "param";
4162 case DEVLINK_CMD_REGION_GET:
4163 case DEVLINK_CMD_REGION_SET:
4164 case DEVLINK_CMD_REGION_NEW:
4165 case DEVLINK_CMD_REGION_DEL:
4166 return "region";
4167 case DEVLINK_CMD_FLASH_UPDATE:
4168 case DEVLINK_CMD_FLASH_UPDATE_END:
4169 case DEVLINK_CMD_FLASH_UPDATE_STATUS:
4170 return "flash";
4171 case DEVLINK_CMD_TRAP_GET:
4172 case DEVLINK_CMD_TRAP_SET:
4173 case DEVLINK_CMD_TRAP_NEW:
4174 case DEVLINK_CMD_TRAP_DEL:
4175 return "trap";
4176 case DEVLINK_CMD_TRAP_GROUP_GET:
4177 case DEVLINK_CMD_TRAP_GROUP_SET:
4178 case DEVLINK_CMD_TRAP_GROUP_NEW:
4179 case DEVLINK_CMD_TRAP_GROUP_DEL:
4180 return "trap-group";
4181 default: return "<unknown obj>";
4182 }
4183 }
4184
4185 static void pr_out_mon_header(uint8_t cmd)
4186 {
4187 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
4188 }
4189
4190 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
4191 {
4192 const char *obj = cmd_obj(cmd);
4193 unsigned int index = 0;
4194 const char *cur_obj;
4195
4196 if (dl_no_arg(dl))
4197 return true;
4198 while ((cur_obj = dl_argv_index(dl, index++))) {
4199 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
4200 return true;
4201 }
4202 return false;
4203 }
4204
4205 static void pr_out_flash_update(struct dl *dl, struct nlattr **tb)
4206 {
4207 __pr_out_handle_start(dl, tb, true, false);
4208
4209 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) {
4210 check_indent_newline(dl);
4211 print_string(PRINT_ANY, "msg", "msg %s",
4212 mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]));
4213 }
4214 if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) {
4215 check_indent_newline(dl);
4216 print_string(PRINT_ANY, "component", "component %s",
4217 mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]));
4218 }
4219
4220 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
4221 pr_out_u64(dl, "done",
4222 mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]));
4223
4224 if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
4225 pr_out_u64(dl, "total",
4226 mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]));
4227
4228 pr_out_handle_end(dl);
4229 }
4230
4231 static void pr_out_region(struct dl *dl, struct nlattr **tb);
4232 static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array);
4233 static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array);
4234
4235 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
4236 {
4237 struct dl *dl = data;
4238 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4239 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4240 uint8_t cmd = genl->cmd;
4241
4242 if (!cmd_filter_check(dl, cmd))
4243 return MNL_CB_OK;
4244
4245 switch (cmd) {
4246 case DEVLINK_CMD_GET: /* fall through */
4247 case DEVLINK_CMD_SET: /* fall through */
4248 case DEVLINK_CMD_NEW: /* fall through */
4249 case DEVLINK_CMD_DEL:
4250 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4251 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
4252 return MNL_CB_ERROR;
4253 pr_out_mon_header(genl->cmd);
4254 pr_out_handle(dl, tb);
4255 break;
4256 case DEVLINK_CMD_PORT_GET: /* fall through */
4257 case DEVLINK_CMD_PORT_SET: /* fall through */
4258 case DEVLINK_CMD_PORT_NEW: /* fall through */
4259 case DEVLINK_CMD_PORT_DEL:
4260 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4261 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4262 !tb[DEVLINK_ATTR_PORT_INDEX])
4263 return MNL_CB_ERROR;
4264 pr_out_mon_header(genl->cmd);
4265 pr_out_port(dl, tb);
4266 break;
4267 case DEVLINK_CMD_PARAM_GET: /* fall through */
4268 case DEVLINK_CMD_PARAM_SET: /* fall through */
4269 case DEVLINK_CMD_PARAM_NEW: /* fall through */
4270 case DEVLINK_CMD_PARAM_DEL:
4271 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4272 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4273 !tb[DEVLINK_ATTR_PARAM])
4274 return MNL_CB_ERROR;
4275 pr_out_mon_header(genl->cmd);
4276 pr_out_param(dl, tb, false);
4277 break;
4278 case DEVLINK_CMD_REGION_GET: /* fall through */
4279 case DEVLINK_CMD_REGION_SET: /* fall through */
4280 case DEVLINK_CMD_REGION_NEW: /* fall through */
4281 case DEVLINK_CMD_REGION_DEL:
4282 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4283 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4284 !tb[DEVLINK_ATTR_REGION_NAME])
4285 return MNL_CB_ERROR;
4286 pr_out_mon_header(genl->cmd);
4287 pr_out_region(dl, tb);
4288 break;
4289 case DEVLINK_CMD_FLASH_UPDATE: /* fall through */
4290 case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */
4291 case DEVLINK_CMD_FLASH_UPDATE_STATUS:
4292 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4293 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
4294 return MNL_CB_ERROR;
4295 pr_out_mon_header(genl->cmd);
4296 pr_out_flash_update(dl, tb);
4297 break;
4298 case DEVLINK_CMD_TRAP_GET: /* fall through */
4299 case DEVLINK_CMD_TRAP_SET: /* fall through */
4300 case DEVLINK_CMD_TRAP_NEW: /* fall through */
4301 case DEVLINK_CMD_TRAP_DEL:
4302 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4303 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4304 !tb[DEVLINK_ATTR_TRAP_NAME] ||
4305 !tb[DEVLINK_ATTR_TRAP_TYPE] ||
4306 !tb[DEVLINK_ATTR_TRAP_ACTION] ||
4307 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
4308 !tb[DEVLINK_ATTR_TRAP_METADATA] ||
4309 !tb[DEVLINK_ATTR_STATS])
4310 return MNL_CB_ERROR;
4311 pr_out_mon_header(genl->cmd);
4312 pr_out_trap(dl, tb, false);
4313 break;
4314 case DEVLINK_CMD_TRAP_GROUP_GET: /* fall through */
4315 case DEVLINK_CMD_TRAP_GROUP_SET: /* fall through */
4316 case DEVLINK_CMD_TRAP_GROUP_NEW: /* fall through */
4317 case DEVLINK_CMD_TRAP_GROUP_DEL:
4318 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4319 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4320 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
4321 !tb[DEVLINK_ATTR_STATS])
4322 return MNL_CB_ERROR;
4323 pr_out_mon_header(genl->cmd);
4324 pr_out_trap_group(dl, tb, false);
4325 break;
4326 }
4327 return MNL_CB_OK;
4328 }
4329
4330 static int cmd_mon_show(struct dl *dl)
4331 {
4332 int err;
4333 unsigned int index = 0;
4334 const char *cur_obj;
4335
4336 while ((cur_obj = dl_argv_index(dl, index++))) {
4337 if (strcmp(cur_obj, "all") != 0 &&
4338 strcmp(cur_obj, "dev") != 0 &&
4339 strcmp(cur_obj, "port") != 0 &&
4340 strcmp(cur_obj, "trap") != 0 &&
4341 strcmp(cur_obj, "trap-group") != 0) {
4342 pr_err("Unknown object \"%s\"\n", cur_obj);
4343 return -EINVAL;
4344 }
4345 }
4346 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
4347 if (err)
4348 return err;
4349 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
4350 if (err)
4351 return err;
4352 return 0;
4353 }
4354
4355 static void cmd_mon_help(void)
4356 {
4357 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
4358 "where OBJECT-LIST := { dev | port | trap | trap-group }\n");
4359 }
4360
4361 static int cmd_mon(struct dl *dl)
4362 {
4363 if (dl_argv_match(dl, "help")) {
4364 cmd_mon_help();
4365 return 0;
4366 }
4367 return cmd_mon_show(dl);
4368 }
4369
4370 struct dpipe_field {
4371 char *name;
4372 unsigned int id;
4373 unsigned int bitwidth;
4374 enum devlink_dpipe_field_mapping_type mapping_type;
4375 };
4376
4377 struct dpipe_header {
4378 struct list_head list;
4379 char *name;
4380 unsigned int id;
4381 struct dpipe_field *fields;
4382 unsigned int fields_count;
4383 };
4384
4385 struct dpipe_table {
4386 struct list_head list;
4387 char *name;
4388 unsigned int resource_id;
4389 bool resource_valid;
4390 };
4391
4392 struct dpipe_tables {
4393 struct list_head table_list;
4394 };
4395
4396 struct resource {
4397 char *name;
4398 uint64_t size;
4399 uint64_t size_new;
4400 uint64_t size_min;
4401 uint64_t size_max;
4402 uint64_t size_gran;
4403 enum devlink_resource_unit unit;
4404 bool size_valid;
4405 uint64_t size_occ;
4406 bool occ_valid;
4407 uint64_t id;
4408 struct list_head list;
4409 struct list_head resource_list;
4410 struct resource *parent;
4411 };
4412
4413 struct resources {
4414 struct list_head resource_list;
4415 };
4416
4417 struct resource_ctx {
4418 struct dl *dl;
4419 int err;
4420 struct resources *resources;
4421 struct dpipe_tables *tables;
4422 bool print_resources;
4423 bool pending_change;
4424 };
4425
4426 static struct resource *resource_alloc(void)
4427 {
4428 struct resource *resource;
4429
4430 resource = calloc(1, sizeof(struct resource));
4431 if (!resource)
4432 return NULL;
4433 INIT_LIST_HEAD(&resource->resource_list);
4434 return resource;
4435 }
4436
4437 static void resource_free(struct resource *resource)
4438 {
4439 struct resource *child_resource, *tmp;
4440
4441 list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
4442 list) {
4443 free(child_resource->name);
4444 resource_free(child_resource);
4445 }
4446 free(resource);
4447 }
4448
4449 static struct resources *resources_alloc(void)
4450 {
4451 struct resources *resources;
4452
4453 resources = calloc(1, sizeof(struct resources));
4454 if (!resources)
4455 return NULL;
4456 INIT_LIST_HEAD(&resources->resource_list);
4457 return resources;
4458 }
4459
4460 static void resources_free(struct resources *resources)
4461 {
4462 struct resource *resource, *tmp;
4463
4464 list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
4465 resource_free(resource);
4466 }
4467
4468 static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
4469 {
4470 ctx->resources = resources_alloc();
4471 if (!ctx->resources)
4472 return -ENOMEM;
4473 ctx->dl = dl;
4474 return 0;
4475 }
4476
4477 static void resource_ctx_fini(struct resource_ctx *ctx)
4478 {
4479 resources_free(ctx->resources);
4480 }
4481
4482 struct dpipe_ctx {
4483 struct dl *dl;
4484 int err;
4485 struct list_head global_headers;
4486 struct list_head local_headers;
4487 struct dpipe_tables *tables;
4488 struct resources *resources;
4489 bool print_headers;
4490 bool print_tables;
4491 };
4492
4493 static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
4494 {
4495 struct dpipe_header *header;
4496
4497 header = calloc(1, sizeof(struct dpipe_header));
4498 if (!header)
4499 return NULL;
4500 header->fields = calloc(fields_count, sizeof(struct dpipe_field));
4501 if (!header->fields)
4502 goto err_fields_alloc;
4503 header->fields_count = fields_count;
4504 return header;
4505
4506 err_fields_alloc:
4507 free(header);
4508 return NULL;
4509 }
4510
4511 static void dpipe_header_free(struct dpipe_header *header)
4512 {
4513 free(header->fields);
4514 free(header);
4515 }
4516
4517 static void dpipe_header_clear(struct dpipe_header *header)
4518 {
4519 struct dpipe_field *field;
4520 int i;
4521
4522 for (i = 0; i < header->fields_count; i++) {
4523 field = &header->fields[i];
4524 free(field->name);
4525 }
4526 free(header->name);
4527 }
4528
4529 static void dpipe_header_add(struct dpipe_ctx *ctx,
4530 struct dpipe_header *header, bool global)
4531 {
4532 if (global)
4533 list_add(&header->list, &ctx->global_headers);
4534 else
4535 list_add(&header->list, &ctx->local_headers);
4536 }
4537
4538 static void dpipe_header_del(struct dpipe_header *header)
4539 {
4540 list_del(&header->list);
4541 }
4542
4543 static struct dpipe_table *dpipe_table_alloc(void)
4544 {
4545 return calloc(1, sizeof(struct dpipe_table));
4546 }
4547
4548 static void dpipe_table_free(struct dpipe_table *table)
4549 {
4550 free(table);
4551 }
4552
4553 static struct dpipe_tables *dpipe_tables_alloc(void)
4554 {
4555 struct dpipe_tables *tables;
4556
4557 tables = calloc(1, sizeof(struct dpipe_tables));
4558 if (!tables)
4559 return NULL;
4560 INIT_LIST_HEAD(&tables->table_list);
4561 return tables;
4562 }
4563
4564 static void dpipe_tables_free(struct dpipe_tables *tables)
4565 {
4566 struct dpipe_table *table, *tmp;
4567
4568 list_for_each_entry_safe(table, tmp, &tables->table_list, list)
4569 dpipe_table_free(table);
4570 free(tables);
4571 }
4572
4573 static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
4574 {
4575 ctx->tables = dpipe_tables_alloc();
4576 if (!ctx->tables)
4577 return -ENOMEM;
4578
4579 ctx->dl = dl;
4580 INIT_LIST_HEAD(&ctx->global_headers);
4581 INIT_LIST_HEAD(&ctx->local_headers);
4582 return 0;
4583 }
4584
4585 static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
4586 {
4587 struct dpipe_header *header, *tmp;
4588
4589 list_for_each_entry_safe(header, tmp, &ctx->global_headers,
4590 list) {
4591 dpipe_header_del(header);
4592 dpipe_header_clear(header);
4593 dpipe_header_free(header);
4594 }
4595 list_for_each_entry_safe(header, tmp, &ctx->local_headers,
4596 list) {
4597 dpipe_header_del(header);
4598 dpipe_header_clear(header);
4599 dpipe_header_free(header);
4600 }
4601 dpipe_tables_free(ctx->tables);
4602 }
4603
4604 static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
4605 uint32_t header_id, bool global)
4606 {
4607 struct list_head *header_list;
4608 struct dpipe_header *header;
4609
4610 if (global)
4611 header_list = &ctx->global_headers;
4612 else
4613 header_list = &ctx->local_headers;
4614 list_for_each_entry(header, header_list, list) {
4615 if (header->id != header_id)
4616 continue;
4617 return header->name;
4618 }
4619 return NULL;
4620 }
4621
4622 static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
4623 uint32_t header_id,
4624 uint32_t field_id, bool global)
4625 {
4626 struct list_head *header_list;
4627 struct dpipe_header *header;
4628
4629 if (global)
4630 header_list = &ctx->global_headers;
4631 else
4632 header_list = &ctx->local_headers;
4633 list_for_each_entry(header, header_list, list) {
4634 if (header->id != header_id)
4635 continue;
4636 return header->fields[field_id].name;
4637 }
4638 return NULL;
4639 }
4640
4641 static const char *
4642 dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
4643 {
4644 switch (mapping_type) {
4645 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
4646 return NULL;
4647 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
4648 return "ifindex";
4649 default:
4650 return "<unknown>";
4651 }
4652 }
4653
4654 static const char *
4655 dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
4656 uint32_t field_id, bool global)
4657 {
4658 enum devlink_dpipe_field_mapping_type mapping_type;
4659 struct list_head *header_list;
4660 struct dpipe_header *header;
4661
4662 if (global)
4663 header_list = &ctx->global_headers;
4664 else
4665 header_list = &ctx->local_headers;
4666 list_for_each_entry(header, header_list, list) {
4667 if (header->id != header_id)
4668 continue;
4669 mapping_type = header->fields[field_id].mapping_type;
4670 return dpipe_field_mapping_e2s(mapping_type);
4671 }
4672 return NULL;
4673 }
4674
4675 static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
4676 struct dpipe_field *fields,
4677 unsigned int field_count)
4678 {
4679 struct dpipe_field *field;
4680 int i;
4681
4682 for (i = 0; i < field_count; i++) {
4683 field = &fields[i];
4684 pr_out_entry_start(ctx->dl);
4685 check_indent_newline(ctx->dl);
4686 print_string(PRINT_ANY, "name", "name %s", field->name);
4687 if (ctx->dl->verbose)
4688 print_uint(PRINT_ANY, "id", " id %u", field->id);
4689 print_uint(PRINT_ANY, "bitwidth", " bitwidth %u", field->bitwidth);
4690 if (field->mapping_type) {
4691 print_string(PRINT_ANY, "mapping_type", " mapping_type %s",
4692 dpipe_field_mapping_e2s(field->mapping_type));
4693 }
4694 pr_out_entry_end(ctx->dl);
4695 }
4696 }
4697
4698 static void
4699 pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
4700 struct dpipe_header *header, bool global)
4701 {
4702 pr_out_handle_start_arr(ctx->dl, tb);
4703 check_indent_newline(ctx->dl);
4704 print_string(PRINT_ANY, "name", "name %s", header->name);
4705 if (ctx->dl->verbose) {
4706 print_uint(PRINT_ANY, "id", " id %u", header->id);
4707 print_bool(PRINT_ANY, "global", " global %s", global);
4708 }
4709 pr_out_array_start(ctx->dl, "field");
4710 pr_out_dpipe_fields(ctx, header->fields,
4711 header->fields_count);
4712 pr_out_array_end(ctx->dl);
4713 pr_out_handle_end(ctx->dl);
4714 }
4715
4716 static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
4717 struct nlattr **tb)
4718 {
4719 struct dpipe_header *header;
4720
4721 list_for_each_entry(header, &ctx->local_headers, list)
4722 pr_out_dpipe_header(ctx, tb, header, false);
4723
4724 list_for_each_entry(header, &ctx->global_headers, list)
4725 pr_out_dpipe_header(ctx, tb, header, true);
4726 }
4727
4728 static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
4729 {
4730 struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
4731 const char *name;
4732 int err;
4733
4734 err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
4735 if (err != MNL_CB_OK)
4736 return -EINVAL;
4737 if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
4738 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
4739 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
4740 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
4741 return -EINVAL;
4742
4743 name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
4744 field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4745 field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
4746 field->name = strdup(name);
4747 if (!field->name)
4748 return -ENOMEM;
4749 field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
4750 return 0;
4751 }
4752
4753 static int dpipe_header_fields_get(struct nlattr *nla_fields,
4754 struct dpipe_field *fields)
4755 {
4756 struct nlattr *nla_field;
4757 int count = 0;
4758 int err;
4759
4760 mnl_attr_for_each_nested(nla_field, nla_fields) {
4761 err = dpipe_header_field_get(nla_field, &fields[count]);
4762 if (err)
4763 return err;
4764 count++;
4765 }
4766 return 0;
4767 }
4768
4769 static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
4770 {
4771 struct nlattr *nla_field;
4772 unsigned int count = 0;
4773
4774 mnl_attr_for_each_nested(nla_field, nla_fields)
4775 count++;
4776 return count;
4777 }
4778
4779 static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
4780 {
4781 struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
4782 struct dpipe_header *header;
4783 unsigned int fields_count;
4784 const char *header_name;
4785 bool global;
4786 int err;
4787
4788 err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
4789 if (err != MNL_CB_OK)
4790 return -EINVAL;
4791
4792 if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
4793 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4794 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
4795 return -EINVAL;
4796
4797 fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
4798 header = dpipe_header_alloc(fields_count);
4799 if (!header)
4800 return -ENOMEM;
4801
4802 header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
4803 header->name = strdup(header_name);
4804 header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4805 header->fields_count = fields_count;
4806 global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4807
4808 err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
4809 header->fields);
4810 if (err)
4811 goto err_field_get;
4812 dpipe_header_add(ctx, header, global);
4813 return 0;
4814
4815 err_field_get:
4816 dpipe_header_free(header);
4817 return err;
4818 }
4819
4820 static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
4821 {
4822 struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
4823 struct nlattr *nla_header;
4824 int err;
4825
4826 mnl_attr_for_each_nested(nla_header, nla_headers) {
4827 err = dpipe_header_get(ctx, nla_header);
4828 if (err)
4829 return err;
4830 }
4831 return 0;
4832 }
4833
4834 static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
4835 {
4836 struct dpipe_ctx *ctx = data;
4837 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4838 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4839 int err;
4840
4841 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4842 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4843 !tb[DEVLINK_ATTR_DPIPE_HEADERS])
4844 return MNL_CB_ERROR;
4845 err = dpipe_headers_get(ctx, tb);
4846 if (err) {
4847 ctx->err = err;
4848 return MNL_CB_ERROR;
4849 }
4850
4851 if (ctx->print_headers)
4852 pr_out_dpipe_headers(ctx, tb);
4853 return MNL_CB_OK;
4854 }
4855
4856 static int cmd_dpipe_headers_show(struct dl *dl)
4857 {
4858 struct nlmsghdr *nlh;
4859 struct dpipe_ctx ctx = {};
4860 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
4861 int err;
4862
4863 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4864
4865 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
4866 if (err)
4867 return err;
4868
4869 err = dpipe_ctx_init(&ctx, dl);
4870 if (err)
4871 return err;
4872
4873 ctx.print_headers = true;
4874
4875 pr_out_section_start(dl, "header");
4876 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
4877 if (err)
4878 pr_err("error get headers %s\n", strerror(ctx.err));
4879 pr_out_section_end(dl);
4880
4881 dpipe_ctx_fini(&ctx);
4882 return err;
4883 }
4884
4885 static void cmd_dpipe_header_help(void)
4886 {
4887 pr_err("Usage: devlink dpipe headers show DEV\n");
4888 }
4889
4890 static int cmd_dpipe_header(struct dl *dl)
4891 {
4892 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4893 cmd_dpipe_header_help();
4894 return 0;
4895 } else if (dl_argv_match(dl, "show")) {
4896 dl_arg_inc(dl);
4897 return cmd_dpipe_headers_show(dl);
4898 }
4899 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4900 return -ENOENT;
4901 }
4902
4903 static const char
4904 *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
4905 {
4906 switch (action_type) {
4907 case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
4908 return "field_modify";
4909 default:
4910 return "<unknown>";
4911 }
4912 }
4913
4914 struct dpipe_op_info {
4915 uint32_t header_id;
4916 uint32_t field_id;
4917 bool header_global;
4918 };
4919
4920 struct dpipe_action {
4921 struct dpipe_op_info info;
4922 uint32_t type;
4923 };
4924
4925 static void pr_out_dpipe_action(struct dpipe_action *action,
4926 struct dpipe_ctx *ctx)
4927 {
4928 struct dpipe_op_info *op_info = &action->info;
4929 const char *mapping;
4930
4931 check_indent_newline(ctx->dl);
4932 print_string(PRINT_ANY, "type", "type %s",
4933 dpipe_action_type_e2s(action->type));
4934 print_string(PRINT_ANY, "header", " header %s",
4935 dpipe_header_id2s(ctx, op_info->header_id,
4936 op_info->header_global));
4937 print_string(PRINT_ANY, "field", " field %s",
4938 dpipe_field_id2s(ctx, op_info->header_id,
4939 op_info->field_id,
4940 op_info->header_global));
4941 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4942 op_info->field_id,
4943 op_info->header_global);
4944 if (mapping)
4945 print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
4946 }
4947
4948 static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
4949 {
4950 struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
4951 int err;
4952
4953 err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
4954 if (err != MNL_CB_OK)
4955 return -EINVAL;
4956
4957 if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
4958 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4959 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4960 !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4961 return -EINVAL;
4962 }
4963
4964 action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
4965 action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4966 action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4967 action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4968
4969 return 0;
4970 }
4971
4972 static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
4973 struct nlattr *nla_actions)
4974 {
4975 struct nlattr *nla_action;
4976 struct dpipe_action action;
4977
4978 mnl_attr_for_each_nested(nla_action, nla_actions) {
4979 pr_out_entry_start(ctx->dl);
4980 if (dpipe_action_parse(&action, nla_action))
4981 goto err_action_parse;
4982 pr_out_dpipe_action(&action, ctx);
4983 pr_out_entry_end(ctx->dl);
4984 }
4985 return 0;
4986
4987 err_action_parse:
4988 pr_out_entry_end(ctx->dl);
4989 return -EINVAL;
4990 }
4991
4992 static const char *
4993 dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
4994 {
4995 switch (match_type) {
4996 case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
4997 return "field_exact";
4998 default:
4999 return "<unknown>";
5000 }
5001 }
5002
5003 struct dpipe_match {
5004 struct dpipe_op_info info;
5005 uint32_t type;
5006 };
5007
5008 static void pr_out_dpipe_match(struct dpipe_match *match,
5009 struct dpipe_ctx *ctx)
5010 {
5011 struct dpipe_op_info *op_info = &match->info;
5012 const char *mapping;
5013
5014 check_indent_newline(ctx->dl);
5015 print_string(PRINT_ANY, "type", "type %s",
5016 dpipe_match_type_e2s(match->type));
5017 print_string(PRINT_ANY, "header", " header %s",
5018 dpipe_header_id2s(ctx, op_info->header_id,
5019 op_info->header_global));
5020 print_string(PRINT_ANY, "field", " field %s",
5021 dpipe_field_id2s(ctx, op_info->header_id,
5022 op_info->field_id,
5023 op_info->header_global));
5024 mapping = dpipe_mapping_get(ctx, op_info->header_id,
5025 op_info->field_id,
5026 op_info->header_global);
5027 if (mapping)
5028 print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
5029 }
5030
5031 static int dpipe_match_parse(struct dpipe_match *match,
5032 struct nlattr *nl)
5033
5034 {
5035 struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
5036 int err;
5037
5038 err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
5039 if (err != MNL_CB_OK)
5040 return -EINVAL;
5041
5042 if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
5043 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
5044 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
5045 !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
5046 return -EINVAL;
5047 }
5048
5049 match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
5050 match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
5051 match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
5052 match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
5053
5054 return 0;
5055 }
5056
5057 static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
5058 struct nlattr *nla_matches)
5059 {
5060 struct nlattr *nla_match;
5061 struct dpipe_match match;
5062
5063 mnl_attr_for_each_nested(nla_match, nla_matches) {
5064 pr_out_entry_start(ctx->dl);
5065 if (dpipe_match_parse(&match, nla_match))
5066 goto err_match_parse;
5067 pr_out_dpipe_match(&match, ctx);
5068 pr_out_entry_end(ctx->dl);
5069 }
5070 return 0;
5071
5072 err_match_parse:
5073 pr_out_entry_end(ctx->dl);
5074 return -EINVAL;
5075 }
5076
5077 static struct resource *
5078 resource_find(struct resources *resources, struct resource *resource,
5079 uint64_t resource_id)
5080 {
5081 struct list_head *list_head;
5082
5083 if (!resource)
5084 list_head = &resources->resource_list;
5085 else
5086 list_head = &resource->resource_list;
5087
5088 list_for_each_entry(resource, list_head, list) {
5089 struct resource *child_resource;
5090
5091 if (resource->id == resource_id)
5092 return resource;
5093
5094 child_resource = resource_find(resources, resource,
5095 resource_id);
5096 if (child_resource)
5097 return child_resource;
5098 }
5099 return NULL;
5100 }
5101
5102 static void
5103 resource_path_print(struct dl *dl, struct resources *resources,
5104 uint64_t resource_id)
5105 {
5106 struct resource *resource, *parent_resource;
5107 const char del[] = "/";
5108 int path_len = 0;
5109 char *path;
5110
5111 resource = resource_find(resources, NULL, resource_id);
5112 if (!resource)
5113 return;
5114
5115 for (parent_resource = resource; parent_resource;
5116 parent_resource = parent_resource->parent)
5117 path_len += strlen(parent_resource->name) + 1;
5118
5119 path_len++;
5120 path = calloc(1, path_len);
5121 if (!path)
5122 return;
5123
5124 path += path_len - 1;
5125 for (parent_resource = resource; parent_resource;
5126 parent_resource = parent_resource->parent) {
5127 path -= strlen(parent_resource->name);
5128 memcpy(path, parent_resource->name,
5129 strlen(parent_resource->name));
5130 path -= strlen(del);
5131 memcpy(path, del, strlen(del));
5132 }
5133 check_indent_newline(dl);
5134 print_string(PRINT_ANY, "resource_path", "resource_path %s", path);
5135 free(path);
5136 }
5137
5138 static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5139 {
5140 struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
5141 struct dpipe_table *table;
5142 uint32_t resource_units;
5143 bool counters_enabled;
5144 bool resource_valid;
5145 uint32_t size;
5146 int err;
5147
5148 err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
5149 if (err != MNL_CB_OK)
5150 return -EINVAL;
5151
5152 if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
5153 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
5154 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
5155 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
5156 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
5157 return -EINVAL;
5158 }
5159
5160 table = dpipe_table_alloc();
5161 if (!table)
5162 return -ENOMEM;
5163
5164 table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
5165 size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
5166 counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
5167
5168 resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
5169 ctx->resources;
5170 if (resource_valid) {
5171 table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
5172 table->resource_valid = true;
5173 }
5174
5175 list_add_tail(&table->list, &ctx->tables->table_list);
5176 if (!ctx->print_tables)
5177 return 0;
5178
5179 check_indent_newline(ctx->dl);
5180 print_string(PRINT_ANY, "name", "name %s", table->name);
5181 print_uint(PRINT_ANY, "size", " size %u", size);
5182 print_bool(PRINT_ANY, "counters_enabled", " counters_enabled %s", counters_enabled);
5183
5184 if (resource_valid) {
5185 resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
5186 resource_path_print(ctx->dl, ctx->resources,
5187 table->resource_id);
5188 print_uint(PRINT_ANY, "resource_units", " resource_units %u",
5189 resource_units);
5190 }
5191
5192 pr_out_array_start(ctx->dl, "match");
5193 if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
5194 goto err_matches_show;
5195 pr_out_array_end(ctx->dl);
5196
5197 pr_out_array_start(ctx->dl, "action");
5198 if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
5199 goto err_actions_show;
5200 pr_out_array_end(ctx->dl);
5201
5202 return 0;
5203
5204 err_actions_show:
5205 err_matches_show:
5206 pr_out_array_end(ctx->dl);
5207 return -EINVAL;
5208 }
5209
5210 static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5211 {
5212 struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
5213 struct nlattr *nla_table;
5214
5215 mnl_attr_for_each_nested(nla_table, nla_tables) {
5216 if (ctx->print_tables)
5217 pr_out_handle_start_arr(ctx->dl, tb);
5218 if (dpipe_table_show(ctx, nla_table))
5219 goto err_table_show;
5220 if (ctx->print_tables)
5221 pr_out_handle_end(ctx->dl);
5222 }
5223 return 0;
5224
5225 err_table_show:
5226 if (ctx->print_tables)
5227 pr_out_handle_end(ctx->dl);
5228 return -EINVAL;
5229 }
5230
5231 static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
5232 {
5233 struct dpipe_ctx *ctx = data;
5234 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5235 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5236
5237 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5238 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5239 !tb[DEVLINK_ATTR_DPIPE_TABLES])
5240 return MNL_CB_ERROR;
5241
5242 if (dpipe_tables_show(ctx, tb))
5243 return MNL_CB_ERROR;
5244 return MNL_CB_OK;
5245 }
5246
5247 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
5248
5249 static int cmd_dpipe_table_show(struct dl *dl)
5250 {
5251 struct nlmsghdr *nlh;
5252 struct dpipe_ctx dpipe_ctx = {};
5253 struct resource_ctx resource_ctx = {};
5254 uint16_t flags = NLM_F_REQUEST;
5255 int err;
5256
5257 err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
5258 if (err)
5259 return err;
5260
5261 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5262
5263 err = dpipe_ctx_init(&dpipe_ctx, dl);
5264 if (err)
5265 return err;
5266
5267 dpipe_ctx.print_tables = true;
5268
5269 dl_opts_put(nlh, dl);
5270 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
5271 &dpipe_ctx);
5272 if (err) {
5273 pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
5274 goto err_headers_get;
5275 }
5276
5277 err = resource_ctx_init(&resource_ctx, dl);
5278 if (err)
5279 goto err_resource_ctx_init;
5280
5281 resource_ctx.print_resources = false;
5282 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
5283 dl_opts_put(nlh, dl);
5284 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
5285 &resource_ctx);
5286 if (!err)
5287 dpipe_ctx.resources = resource_ctx.resources;
5288
5289 flags = NLM_F_REQUEST | NLM_F_ACK;
5290 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
5291 dl_opts_put(nlh, dl);
5292
5293 pr_out_section_start(dl, "table");
5294 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
5295 pr_out_section_end(dl);
5296
5297 resource_ctx_fini(&resource_ctx);
5298 dpipe_ctx_fini(&dpipe_ctx);
5299 return 0;
5300
5301 err_resource_ctx_init:
5302 err_headers_get:
5303 dpipe_ctx_fini(&dpipe_ctx);
5304 return err;
5305 }
5306
5307 static int cmd_dpipe_table_set(struct dl *dl)
5308 {
5309 struct nlmsghdr *nlh;
5310 int err;
5311
5312 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
5313 NLM_F_REQUEST | NLM_F_ACK);
5314
5315 err = dl_argv_parse_put(nlh, dl,
5316 DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
5317 DL_OPT_DPIPE_TABLE_COUNTERS, 0);
5318 if (err)
5319 return err;
5320
5321 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5322 }
5323
5324 enum dpipe_value_type {
5325 DPIPE_VALUE_TYPE_VALUE,
5326 DPIPE_VALUE_TYPE_MASK,
5327 };
5328
5329 static const char *
5330 dpipe_value_type_e2s(enum dpipe_value_type type)
5331 {
5332 switch (type) {
5333 case DPIPE_VALUE_TYPE_VALUE:
5334 return "value";
5335 case DPIPE_VALUE_TYPE_MASK:
5336 return "value_mask";
5337 default:
5338 return "<unknown>";
5339 }
5340 }
5341
5342 struct dpipe_field_printer {
5343 unsigned int field_id;
5344 void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
5345 };
5346
5347 struct dpipe_header_printer {
5348 struct dpipe_field_printer *printers;
5349 unsigned int printers_count;
5350 unsigned int header_id;
5351 };
5352
5353 static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
5354 enum dpipe_value_type type,
5355 void *value)
5356 {
5357 struct in_addr ip_addr;
5358
5359 ip_addr.s_addr = htonl(*(uint32_t *)value);
5360 check_indent_newline(ctx->dl);
5361 print_string_name_value(dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
5362 }
5363
5364 static void
5365 dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
5366 enum dpipe_value_type type,
5367 void *value)
5368 {
5369 check_indent_newline(ctx->dl);
5370 print_string_name_value(dpipe_value_type_e2s(type),
5371 ether_ntoa((struct ether_addr *)value));
5372 }
5373
5374 static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
5375 enum dpipe_value_type type,
5376 void *value)
5377 {
5378 char str[INET6_ADDRSTRLEN];
5379
5380 inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
5381 check_indent_newline(ctx->dl);
5382 print_string_name_value(dpipe_value_type_e2s(type), str);
5383 }
5384
5385 static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
5386 {
5387 .printer = dpipe_field_printer_ipv4_addr,
5388 .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
5389 }
5390 };
5391
5392 static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
5393 .printers = dpipe_field_printers_ipv4,
5394 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
5395 .header_id = DEVLINK_DPIPE_HEADER_IPV4,
5396 };
5397
5398 static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
5399 {
5400 .printer = dpipe_field_printer_ethernet_addr,
5401 .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
5402 },
5403 };
5404
5405 static struct dpipe_header_printer dpipe_header_printer_ethernet = {
5406 .printers = dpipe_field_printers_ethernet,
5407 .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
5408 .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
5409 };
5410
5411 static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
5412 {
5413 .printer = dpipe_field_printer_ipv6_addr,
5414 .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
5415 }
5416 };
5417
5418 static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
5419 .printers = dpipe_field_printers_ipv6,
5420 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
5421 .header_id = DEVLINK_DPIPE_HEADER_IPV6,
5422 };
5423
5424 static struct dpipe_header_printer *dpipe_header_printers[] = {
5425 &dpipe_header_printer_ipv4,
5426 &dpipe_header_printer_ethernet,
5427 &dpipe_header_printer_ipv6,
5428 };
5429
5430 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
5431 struct dpipe_op_info *info,
5432 enum dpipe_value_type type,
5433 void *value)
5434 {
5435 unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
5436 struct dpipe_header_printer *header_printer;
5437 struct dpipe_field_printer *field_printer;
5438 unsigned int field_printers_count;
5439 int j;
5440 int i;
5441
5442 for (i = 0; i < header_printers_count; i++) {
5443 header_printer = dpipe_header_printers[i];
5444 if (header_printer->header_id != info->header_id)
5445 continue;
5446 field_printers_count = header_printer->printers_count;
5447 for (j = 0; j < field_printers_count; j++) {
5448 field_printer = &header_printer->printers[j];
5449 if (field_printer->field_id != info->field_id)
5450 continue;
5451 field_printer->printer(ctx, type, value);
5452 return 0;
5453 }
5454 }
5455
5456 return -EINVAL;
5457 }
5458
5459 static void __pr_out_entry_value(struct dpipe_ctx *ctx,
5460 void *value,
5461 unsigned int value_len,
5462 struct dpipe_op_info *info,
5463 enum dpipe_value_type type)
5464 {
5465 if (info->header_global &&
5466 !dpipe_print_prot_header(ctx, info, type, value))
5467 return;
5468
5469 if (value_len == sizeof(uint32_t)) {
5470 uint32_t *value_32 = value;
5471
5472 check_indent_newline(ctx->dl);
5473 print_uint_name_value(dpipe_value_type_e2s(type), *value_32);
5474 }
5475 }
5476
5477 static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
5478 struct nlattr **nla_match_value,
5479 struct dpipe_op_info *info)
5480 {
5481 void *value, *value_mask;
5482 uint32_t value_mapping;
5483 uint16_t value_len;
5484 bool mask, mapping;
5485
5486 mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
5487 mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
5488
5489 value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5490 value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5491
5492 if (mapping) {
5493 value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
5494 check_indent_newline(ctx->dl);
5495 print_uint(PRINT_ANY, "mapping_value", "mapping_value %u", value_mapping);
5496 }
5497
5498 if (mask) {
5499 value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5500 __pr_out_entry_value(ctx, value_mask, value_len, info,
5501 DPIPE_VALUE_TYPE_MASK);
5502 }
5503
5504 __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
5505 }
5506
5507 static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
5508 struct nlattr *nl)
5509 {
5510 struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
5511 struct dpipe_match match;
5512 int err;
5513
5514 err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
5515 if (err != MNL_CB_OK)
5516 return -EINVAL;
5517
5518 if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
5519 !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5520 return -EINVAL;
5521 }
5522
5523 pr_out_entry_start(ctx->dl);
5524 if (dpipe_match_parse(&match,
5525 nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
5526 goto err_match_parse;
5527 pr_out_dpipe_match(&match, ctx);
5528 pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
5529 pr_out_entry_end(ctx->dl);
5530
5531 return 0;
5532
5533 err_match_parse:
5534 pr_out_entry_end(ctx->dl);
5535 return -EINVAL;
5536 }
5537
5538 static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
5539 struct nlattr *nl)
5540 {
5541 struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
5542 struct dpipe_action action;
5543 int err;
5544
5545 err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
5546 if (err != MNL_CB_OK)
5547 return -EINVAL;
5548
5549 if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
5550 !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5551 return -EINVAL;
5552 }
5553
5554 pr_out_entry_start(ctx->dl);
5555 if (dpipe_action_parse(&action,
5556 nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
5557 goto err_action_parse;
5558 pr_out_dpipe_action(&action, ctx);
5559 pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
5560 pr_out_entry_end(ctx->dl);
5561
5562 return 0;
5563
5564 err_action_parse:
5565 pr_out_entry_end(ctx->dl);
5566 return -EINVAL;
5567 }
5568
5569 static int
5570 dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
5571 struct nlattr *nla_action_values)
5572 {
5573 struct nlattr *nla_action_value;
5574
5575 mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
5576 if (dpipe_entry_action_value_show(ctx, nla_action_value))
5577 return -EINVAL;
5578 }
5579 return 0;
5580 }
5581
5582 static int
5583 dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
5584 struct nlattr *nla_match_values)
5585 {
5586 struct nlattr *nla_match_value;
5587
5588 mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
5589 if (dpipe_entry_match_value_show(ctx, nla_match_value))
5590 return -EINVAL;
5591 }
5592 return 0;
5593 }
5594
5595 static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5596 {
5597 struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
5598 uint32_t entry_index;
5599 uint64_t counter;
5600 int err;
5601
5602 err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
5603 if (err != MNL_CB_OK)
5604 return -EINVAL;
5605
5606 if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
5607 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
5608 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
5609 return -EINVAL;
5610 }
5611
5612 check_indent_newline(ctx->dl);
5613 entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
5614 print_uint(PRINT_ANY, "index", "index %u", entry_index);
5615
5616 if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
5617 counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
5618 print_uint(PRINT_ANY, "counter", " counter %u", counter);
5619 }
5620
5621 pr_out_array_start(ctx->dl, "match_value");
5622 if (dpipe_tables_match_values_show(ctx,
5623 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
5624 goto err_match_values_show;
5625 pr_out_array_end(ctx->dl);
5626
5627 pr_out_array_start(ctx->dl, "action_value");
5628 if (dpipe_tables_action_values_show(ctx,
5629 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
5630 goto err_action_values_show;
5631 pr_out_array_end(ctx->dl);
5632 return 0;
5633
5634 err_action_values_show:
5635 err_match_values_show:
5636 pr_out_array_end(ctx->dl);
5637 return -EINVAL;
5638 }
5639
5640 static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5641 {
5642 struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
5643 struct nlattr *nla_entry;
5644
5645 mnl_attr_for_each_nested(nla_entry, nla_entries) {
5646 pr_out_handle_start_arr(ctx->dl, tb);
5647 if (dpipe_entry_show(ctx, nla_entry))
5648 goto err_entry_show;
5649 pr_out_handle_end(ctx->dl);
5650 }
5651 return 0;
5652
5653 err_entry_show:
5654 pr_out_handle_end(ctx->dl);
5655 return -EINVAL;
5656 }
5657
5658 static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
5659 {
5660 struct dpipe_ctx *ctx = data;
5661 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5662 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5663
5664 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5665 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5666 !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
5667 return MNL_CB_ERROR;
5668
5669 if (dpipe_table_entries_show(ctx, tb))
5670 return MNL_CB_ERROR;
5671 return MNL_CB_OK;
5672 }
5673
5674 static int cmd_dpipe_table_dump(struct dl *dl)
5675 {
5676 struct nlmsghdr *nlh;
5677 struct dpipe_ctx ctx = {};
5678 uint16_t flags = NLM_F_REQUEST;
5679 int err;
5680
5681 err = dpipe_ctx_init(&ctx, dl);
5682 if (err)
5683 return err;
5684
5685 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
5686 if (err)
5687 goto out;
5688
5689 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5690 dl_opts_put(nlh, dl);
5691 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
5692 if (err) {
5693 pr_err("error get headers %s\n", strerror(ctx.err));
5694 goto out;
5695 }
5696
5697 flags = NLM_F_REQUEST | NLM_F_ACK;
5698 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
5699 dl_opts_put(nlh, dl);
5700
5701 pr_out_section_start(dl, "table_entry");
5702 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
5703 pr_out_section_end(dl);
5704 out:
5705 dpipe_ctx_fini(&ctx);
5706 return err;
5707 }
5708
5709 static void cmd_dpipe_table_help(void)
5710 {
5711 pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
5712 "where OBJECT-LIST := { show | set | dump }\n");
5713 }
5714
5715 static int cmd_dpipe_table(struct dl *dl)
5716 {
5717 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5718 cmd_dpipe_table_help();
5719 return 0;
5720 } else if (dl_argv_match(dl, "show")) {
5721 dl_arg_inc(dl);
5722 return cmd_dpipe_table_show(dl);
5723 } else if (dl_argv_match(dl, "set")) {
5724 dl_arg_inc(dl);
5725 return cmd_dpipe_table_set(dl);
5726 } else if (dl_argv_match(dl, "dump")) {
5727 dl_arg_inc(dl);
5728 return cmd_dpipe_table_dump(dl);
5729 }
5730 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5731 return -ENOENT;
5732 }
5733
5734 static void cmd_dpipe_help(void)
5735 {
5736 pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
5737 "where OBJECT-LIST := { header | table }\n");
5738 }
5739
5740 static int cmd_dpipe(struct dl *dl)
5741 {
5742 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5743 cmd_dpipe_help();
5744 return 0;
5745 } else if (dl_argv_match(dl, "header")) {
5746 dl_arg_inc(dl);
5747 return cmd_dpipe_header(dl);
5748 } else if (dl_argv_match(dl, "table")) {
5749 dl_arg_inc(dl);
5750 return cmd_dpipe_table(dl);
5751 }
5752 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5753 return -ENOENT;
5754 }
5755
5756 static int
5757 resource_parse(struct resource_ctx *ctx, struct resource *resource,
5758 struct nlattr **nla_resource)
5759 {
5760 if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
5761 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
5762 !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
5763 !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
5764 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
5765 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
5766 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
5767 return -EINVAL;
5768 }
5769
5770 resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
5771 resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
5772 resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
5773 resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
5774 resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
5775 resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
5776 resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
5777
5778 if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
5779 resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
5780 else
5781 resource->size_new = resource->size;
5782
5783 if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
5784 resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
5785 resource->occ_valid = true;
5786 }
5787
5788 if (resource->size_new != resource->size)
5789 ctx->pending_change = true;
5790
5791 return 0;
5792 }
5793
5794 static int
5795 resource_get(struct resource_ctx *ctx, struct resource *resource,
5796 struct resource *parent_resource, struct nlattr *nl)
5797 {
5798 struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
5799 struct nlattr *nla_child_resource;
5800 struct nlattr *nla_resources;
5801 bool top = false;
5802 int err;
5803
5804 if (!resource) {
5805 nla_resources = nl;
5806 top = true;
5807 goto out;
5808 }
5809
5810 err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
5811 if (err != MNL_CB_OK)
5812 return -EINVAL;
5813
5814 err = resource_parse(ctx, resource, nla_resource);
5815 if (err)
5816 return err;
5817
5818 resource->parent = parent_resource;
5819 if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
5820 return 0;
5821
5822 resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
5823 nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
5824 out:
5825 mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
5826 struct resource *child_resource;
5827 struct list_head *list;
5828
5829 child_resource = resource_alloc();
5830 if (!child_resource)
5831 return -ENOMEM;
5832
5833 if (top)
5834 list = &ctx->resources->resource_list;
5835 else
5836 list = &resource->resource_list;
5837
5838 list_add_tail(&child_resource->list, list);
5839 err = resource_get(ctx, child_resource, resource,
5840 nla_child_resource);
5841 if (err)
5842 return err;
5843 }
5844
5845 return 0;
5846 }
5847
5848 static const char *resource_unit_str_get(enum devlink_resource_unit unit)
5849 {
5850 switch (unit) {
5851 case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
5852 default: return "<unknown unit>";
5853 }
5854 }
5855
5856 static void resource_show(struct resource *resource,
5857 struct resource_ctx *ctx)
5858 {
5859 struct resource *child_resource;
5860 struct dpipe_table *table;
5861 struct dl *dl = ctx->dl;
5862 bool array = false;
5863
5864 check_indent_newline(dl);
5865 print_string(PRINT_ANY, "name", "name %s", resource->name);
5866 if (dl->verbose)
5867 resource_path_print(dl, ctx->resources, resource->id);
5868 pr_out_u64(dl, "size", resource->size);
5869 if (resource->size != resource->size_new)
5870 pr_out_u64(dl, "size_new", resource->size_new);
5871 if (resource->occ_valid)
5872 print_uint(PRINT_ANY, "occ", " occ %u", resource->size_occ);
5873 print_string(PRINT_ANY, "unit", " unit %s",
5874 resource_unit_str_get(resource->unit));
5875
5876 if (resource->size_min != resource->size_max) {
5877 print_uint(PRINT_ANY, "size_min", " size_min %u",
5878 resource->size_min);
5879 pr_out_u64(dl, "size_max", resource->size_max);
5880 print_uint(PRINT_ANY, "size_gran", " size_gran %u",
5881 resource->size_gran);
5882 }
5883
5884 list_for_each_entry(table, &ctx->tables->table_list, list)
5885 if (table->resource_id == resource->id &&
5886 table->resource_valid)
5887 array = true;
5888
5889 if (array)
5890 pr_out_array_start(dl, "dpipe_tables");
5891 else
5892 print_string(PRINT_ANY, "dpipe_tables", " dpipe_tables none",
5893 "none");
5894
5895 list_for_each_entry(table, &ctx->tables->table_list, list) {
5896 if (table->resource_id != resource->id ||
5897 !table->resource_valid)
5898 continue;
5899 pr_out_entry_start(dl);
5900 check_indent_newline(dl);
5901 print_string(PRINT_ANY, "table_name", "table_name %s",
5902 table->name);
5903 pr_out_entry_end(dl);
5904 }
5905 if (array)
5906 pr_out_array_end(dl);
5907
5908 if (list_empty(&resource->resource_list))
5909 return;
5910
5911 if (ctx->pending_change) {
5912 check_indent_newline(dl);
5913 print_string(PRINT_ANY, "size_valid", "size_valid %s",
5914 resource->size_valid ? "true" : "false");
5915 }
5916 pr_out_array_start(dl, "resources");
5917 list_for_each_entry(child_resource, &resource->resource_list, list) {
5918 pr_out_entry_start(dl);
5919 resource_show(child_resource, ctx);
5920 pr_out_entry_end(dl);
5921 }
5922 pr_out_array_end(dl);
5923 }
5924
5925 static void
5926 resources_show(struct resource_ctx *ctx, struct nlattr **tb)
5927 {
5928 struct resources *resources = ctx->resources;
5929 struct resource *resource;
5930
5931 list_for_each_entry(resource, &resources->resource_list, list) {
5932 pr_out_handle_start_arr(ctx->dl, tb);
5933 resource_show(resource, ctx);
5934 pr_out_handle_end(ctx->dl);
5935 }
5936 }
5937
5938 static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
5939 {
5940 return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
5941 }
5942
5943 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
5944 {
5945 struct resource_ctx *ctx = data;
5946 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5947 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5948 int err;
5949
5950 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5951 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5952 !tb[DEVLINK_ATTR_RESOURCE_LIST])
5953 return MNL_CB_ERROR;
5954
5955 err = resources_get(ctx, tb);
5956 if (err) {
5957 ctx->err = err;
5958 return MNL_CB_ERROR;
5959 }
5960
5961 if (ctx->print_resources)
5962 resources_show(ctx, tb);
5963
5964 return MNL_CB_OK;
5965 }
5966
5967 static int cmd_resource_show(struct dl *dl)
5968 {
5969 struct nlmsghdr *nlh;
5970 struct dpipe_ctx dpipe_ctx = {};
5971 struct resource_ctx resource_ctx = {};
5972 int err;
5973
5974 err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
5975 if (err)
5976 return err;
5977
5978 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
5979 NLM_F_REQUEST);
5980 dl_opts_put(nlh, dl);
5981
5982 err = dpipe_ctx_init(&dpipe_ctx, dl);
5983 if (err)
5984 return err;
5985
5986 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
5987 &dpipe_ctx);
5988 if (err) {
5989 pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
5990 goto out;
5991 }
5992
5993 err = resource_ctx_init(&resource_ctx, dl);
5994 if (err)
5995 goto out;
5996
5997 resource_ctx.print_resources = true;
5998 resource_ctx.tables = dpipe_ctx.tables;
5999 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
6000 NLM_F_REQUEST | NLM_F_ACK);
6001 dl_opts_put(nlh, dl);
6002 pr_out_section_start(dl, "resources");
6003 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
6004 &resource_ctx);
6005 pr_out_section_end(dl);
6006 resource_ctx_fini(&resource_ctx);
6007 out:
6008 dpipe_ctx_fini(&dpipe_ctx);
6009 return err;
6010 }
6011
6012 static void cmd_resource_help(void)
6013 {
6014 pr_err("Usage: devlink resource show DEV\n"
6015 " devlink resource set DEV path PATH size SIZE\n");
6016 }
6017
6018 static struct resource *
6019 resource_find_by_name(struct list_head *list, char *name)
6020 {
6021 struct resource *resource;
6022
6023 list_for_each_entry(resource, list, list) {
6024 if (!strcmp(resource->name, name))
6025 return resource;
6026 }
6027 return NULL;
6028 }
6029
6030 static int
6031 resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
6032 uint32_t *p_resource_id, bool *p_resource_valid)
6033 {
6034 struct resource *resource;
6035 uint32_t resource_id = 0;
6036 char *resource_path_dup;
6037 struct list_head *list;
6038 const char del[] = "/";
6039 char *resource_name;
6040
6041 resource_path_dup = strdup(resource_path);
6042 list = &ctx->resources->resource_list;
6043 resource_name = strtok(resource_path_dup, del);
6044 while (resource_name != NULL) {
6045 resource = resource_find_by_name(list, resource_name);
6046 if (!resource)
6047 goto err_resource_lookup;
6048
6049 list = &resource->resource_list;
6050 resource_name = strtok(NULL, del);
6051 resource_id = resource->id;
6052 }
6053 free(resource_path_dup);
6054 *p_resource_valid = true;
6055 *p_resource_id = resource_id;
6056 return 0;
6057
6058 err_resource_lookup:
6059 free(resource_path_dup);
6060 return -EINVAL;
6061 }
6062
6063 static int cmd_resource_set(struct dl *dl)
6064 {
6065 struct nlmsghdr *nlh;
6066 struct resource_ctx ctx = {};
6067 int err;
6068
6069 err = resource_ctx_init(&ctx, dl);
6070 if (err)
6071 return err;
6072
6073 ctx.print_resources = false;
6074 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
6075 DL_OPT_RESOURCE_SIZE, 0);
6076 if (err)
6077 goto out;
6078
6079 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
6080 NLM_F_REQUEST);
6081 dl_opts_put(nlh, dl);
6082 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
6083 if (err) {
6084 pr_err("error getting resources %s\n", strerror(ctx.err));
6085 goto out;
6086 }
6087
6088 err = resource_path_parse(&ctx, dl->opts.resource_path,
6089 &dl->opts.resource_id,
6090 &dl->opts.resource_id_valid);
6091 if (err) {
6092 pr_err("error parsing resource path %s\n", strerror(-err));
6093 goto out;
6094 }
6095
6096 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
6097 NLM_F_REQUEST | NLM_F_ACK);
6098
6099 dl_opts_put(nlh, dl);
6100 err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6101 out:
6102 resource_ctx_fini(&ctx);
6103 return err;
6104 }
6105
6106 static int cmd_resource(struct dl *dl)
6107 {
6108 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
6109 cmd_resource_help();
6110 return 0;
6111 } else if (dl_argv_match(dl, "show")) {
6112 dl_arg_inc(dl);
6113 return cmd_resource_show(dl);
6114 } else if (dl_argv_match(dl, "set")) {
6115 dl_arg_inc(dl);
6116 return cmd_resource_set(dl);
6117 }
6118 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6119 return -ENOENT;
6120 }
6121
6122 static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
6123 {
6124 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
6125 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
6126 const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
6127 char buf[256];
6128
6129 sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
6130 if (dl->json_output)
6131 open_json_object(buf);
6132 else
6133 pr_out("%s:", buf);
6134 }
6135
6136 static void pr_out_region_handle_end(struct dl *dl)
6137 {
6138 if (dl->json_output)
6139 close_json_object();
6140 else
6141 pr_out("\n");
6142 }
6143
6144 static void pr_out_region_snapshots_start(struct dl *dl, bool array)
6145 {
6146 __pr_out_indent_newline(dl);
6147 if (dl->json_output)
6148 open_json_array(PRINT_JSON, "snapshot");
6149 else
6150 pr_out("snapshot %s", array ? "[" : "");
6151 }
6152
6153 static void pr_out_region_snapshots_end(struct dl *dl, bool array)
6154 {
6155 if (dl->json_output)
6156 close_json_array(PRINT_JSON, NULL);
6157 else if (array)
6158 pr_out("]");
6159 }
6160
6161 static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
6162 {
6163 uint32_t snapshot_id;
6164
6165 if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
6166 return;
6167
6168 snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
6169
6170 if (dl->json_output)
6171 print_uint(PRINT_JSON, NULL, NULL, snapshot_id);
6172 else
6173 pr_out("%s%u", index ? " " : "", snapshot_id);
6174 }
6175
6176 static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
6177 {
6178 struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
6179 struct nlattr *nla_sanpshot;
6180 int err, index = 0;
6181
6182 pr_out_region_snapshots_start(dl, true);
6183 mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
6184 err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
6185 if (err != MNL_CB_OK)
6186 return;
6187 pr_out_region_snapshots_id(dl, tb_snapshot, index++);
6188 }
6189 pr_out_region_snapshots_end(dl, true);
6190 }
6191
6192 static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
6193 {
6194 pr_out_region_snapshots_start(dl, false);
6195 pr_out_region_snapshots_id(dl, tb, 0);
6196 pr_out_region_snapshots_end(dl, false);
6197 }
6198
6199 static void pr_out_region(struct dl *dl, struct nlattr **tb)
6200 {
6201 pr_out_region_handle_start(dl, tb);
6202
6203 if (tb[DEVLINK_ATTR_REGION_SIZE])
6204 pr_out_u64(dl, "size",
6205 mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
6206
6207 if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
6208 pr_out_snapshots(dl, tb);
6209
6210 if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
6211 pr_out_snapshot(dl, tb);
6212
6213 pr_out_region_handle_end(dl);
6214 }
6215
6216 static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
6217 {
6218 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6219 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6220 struct dl *dl = data;
6221
6222 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6223 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6224 !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
6225 return MNL_CB_ERROR;
6226
6227 pr_out_region(dl, tb);
6228
6229 return MNL_CB_OK;
6230 }
6231
6232 static int cmd_region_show(struct dl *dl)
6233 {
6234 struct nlmsghdr *nlh;
6235 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6236 int err;
6237
6238 if (dl_argc(dl) == 0)
6239 flags |= NLM_F_DUMP;
6240
6241 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
6242
6243 if (dl_argc(dl) > 0) {
6244 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
6245 if (err)
6246 return err;
6247 }
6248
6249 pr_out_section_start(dl, "regions");
6250 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
6251 pr_out_section_end(dl);
6252 return err;
6253 }
6254
6255 static int cmd_region_snapshot_del(struct dl *dl)
6256 {
6257 struct nlmsghdr *nlh;
6258 int err;
6259
6260 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
6261 NLM_F_REQUEST | NLM_F_ACK);
6262
6263 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6264 DL_OPT_REGION_SNAPSHOT_ID, 0);
6265 if (err)
6266 return err;
6267
6268 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6269 }
6270
6271 static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
6272 {
6273 struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
6274 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6275 struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
6276 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6277 struct dl *dl = data;
6278 int err;
6279
6280 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6281 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6282 !tb[DEVLINK_ATTR_REGION_CHUNKS])
6283 return MNL_CB_ERROR;
6284
6285 mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
6286 err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
6287 if (err != MNL_CB_OK)
6288 return MNL_CB_ERROR;
6289
6290 nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
6291 if (!nla_chunk_data)
6292 continue;
6293
6294 nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
6295 if (!nla_chunk_addr)
6296 continue;
6297
6298 pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
6299 mnl_attr_get_payload_len(nla_chunk_data),
6300 mnl_attr_get_u64(nla_chunk_addr));
6301 }
6302 return MNL_CB_OK;
6303 }
6304
6305 static int cmd_region_dump(struct dl *dl)
6306 {
6307 struct nlmsghdr *nlh;
6308 int err;
6309
6310 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
6311 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
6312
6313 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6314 DL_OPT_REGION_SNAPSHOT_ID, 0);
6315 if (err)
6316 return err;
6317
6318 pr_out_section_start(dl, "dump");
6319 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
6320 pr_out_section_end(dl);
6321 if (!dl->json_output)
6322 pr_out("\n");
6323 return err;
6324 }
6325
6326 static int cmd_region_read(struct dl *dl)
6327 {
6328 struct nlmsghdr *nlh;
6329 int err;
6330
6331 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
6332 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
6333
6334 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
6335 DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
6336 DL_OPT_REGION_SNAPSHOT_ID, 0);
6337 if (err)
6338 return err;
6339
6340 pr_out_section_start(dl, "read");
6341 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
6342 pr_out_section_end(dl);
6343 if (!dl->json_output)
6344 pr_out("\n");
6345 return err;
6346 }
6347
6348 static void cmd_region_help(void)
6349 {
6350 pr_err("Usage: devlink region show [ DEV/REGION ]\n");
6351 pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
6352 pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
6353 pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
6354 }
6355
6356 static int cmd_region(struct dl *dl)
6357 {
6358 if (dl_no_arg(dl)) {
6359 return cmd_region_show(dl);
6360 } else if (dl_argv_match(dl, "help")) {
6361 cmd_region_help();
6362 return 0;
6363 } else if (dl_argv_match(dl, "show")) {
6364 dl_arg_inc(dl);
6365 return cmd_region_show(dl);
6366 } else if (dl_argv_match(dl, "del")) {
6367 dl_arg_inc(dl);
6368 return cmd_region_snapshot_del(dl);
6369 } else if (dl_argv_match(dl, "dump")) {
6370 dl_arg_inc(dl);
6371 return cmd_region_dump(dl);
6372 } else if (dl_argv_match(dl, "read")) {
6373 dl_arg_inc(dl);
6374 return cmd_region_read(dl);
6375 }
6376 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6377 return -ENOENT;
6378 }
6379
6380 static int cmd_health_set_params(struct dl *dl)
6381 {
6382 struct nlmsghdr *nlh;
6383 int err;
6384
6385 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET,
6386 NLM_F_REQUEST | NLM_F_ACK);
6387 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME,
6388 DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD |
6389 DL_OPT_HEALTH_REPORTER_AUTO_RECOVER);
6390 if (err)
6391 return err;
6392
6393 dl_opts_put(nlh, dl);
6394 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6395 }
6396
6397 static int cmd_health_dump_clear(struct dl *dl)
6398 {
6399 struct nlmsghdr *nlh;
6400 int err;
6401
6402 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
6403 NLM_F_REQUEST | NLM_F_ACK);
6404
6405 err = dl_argv_parse_put(nlh, dl,
6406 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6407 if (err)
6408 return err;
6409
6410 dl_opts_put(nlh, dl);
6411 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6412 }
6413
6414 static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
6415 {
6416 uint8_t *data;
6417 uint32_t len;
6418
6419 check_indent_newline(dl);
6420 switch (type) {
6421 case MNL_TYPE_FLAG:
6422 print_bool(PRINT_ANY, NULL, "%s", mnl_attr_get_u8(nl_data));
6423 break;
6424 case MNL_TYPE_U8:
6425 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u8(nl_data));
6426 break;
6427 case MNL_TYPE_U16:
6428 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u16(nl_data));
6429 break;
6430 case MNL_TYPE_U32:
6431 print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u32(nl_data));
6432 break;
6433 case MNL_TYPE_U64:
6434 print_u64(PRINT_ANY, NULL, "%"PRIu64, mnl_attr_get_u64(nl_data));
6435 break;
6436 case MNL_TYPE_NUL_STRING:
6437 print_string(PRINT_ANY, NULL, "%s", mnl_attr_get_str(nl_data));
6438 break;
6439 case MNL_TYPE_BINARY:
6440 len = mnl_attr_get_payload_len(nl_data);
6441 data = mnl_attr_get_payload(nl_data);
6442 pr_out_binary_value(dl, data, len);
6443 break;
6444 default:
6445 return -EINVAL;
6446 }
6447 return MNL_CB_OK;
6448 }
6449
6450 static void pr_out_fmsg_name(struct dl *dl, char **name)
6451 {
6452 if (!*name)
6453 return;
6454
6455 pr_out_name(dl, *name);
6456 free(*name);
6457 *name = NULL;
6458 }
6459
6460 struct nest_entry {
6461 int attr_type;
6462 struct list_head list;
6463 };
6464
6465 struct fmsg_cb_data {
6466 char *name;
6467 struct dl *dl;
6468 uint8_t value_type;
6469 struct list_head entry_list;
6470 };
6471
6472 static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
6473 uint8_t *attr_value, bool insert)
6474 {
6475 struct nest_entry *entry;
6476
6477 if (insert) {
6478 entry = malloc(sizeof(struct nest_entry));
6479 if (!entry)
6480 return -ENOMEM;
6481
6482 entry->attr_type = *attr_value;
6483 list_add(&entry->list, &fmsg_data->entry_list);
6484 } else {
6485 if (list_empty(&fmsg_data->entry_list))
6486 return MNL_CB_ERROR;
6487 entry = list_first_entry(&fmsg_data->entry_list,
6488 struct nest_entry, list);
6489 *attr_value = entry->attr_type;
6490 list_del(&entry->list);
6491 free(entry);
6492 }
6493 return MNL_CB_OK;
6494 }
6495
6496 static void pr_out_fmsg_group_start(struct dl *dl, char **name)
6497 {
6498 __pr_out_newline();
6499 pr_out_fmsg_name(dl, name);
6500 __pr_out_newline();
6501 __pr_out_indent_inc();
6502 }
6503
6504 static void pr_out_fmsg_group_end(struct dl *dl)
6505 {
6506 __pr_out_newline();
6507 __pr_out_indent_dec();
6508 }
6509
6510 static void pr_out_fmsg_start_object(struct dl *dl, char **name)
6511 {
6512 if (dl->json_output) {
6513 pr_out_fmsg_name(dl, name);
6514 open_json_object(NULL);
6515 } else {
6516 pr_out_fmsg_group_start(dl, name);
6517 }
6518 }
6519
6520 static void pr_out_fmsg_end_object(struct dl *dl)
6521 {
6522 if (dl->json_output)
6523 close_json_object();
6524 else
6525 pr_out_fmsg_group_end(dl);
6526 }
6527
6528 static void pr_out_fmsg_start_array(struct dl *dl, char **name)
6529 {
6530 if (dl->json_output) {
6531 pr_out_fmsg_name(dl, name);
6532 open_json_array(PRINT_JSON, NULL);
6533 } else {
6534 pr_out_fmsg_group_start(dl, name);
6535 }
6536 }
6537
6538 static void pr_out_fmsg_end_array(struct dl *dl)
6539 {
6540 if (dl->json_output)
6541 close_json_array(PRINT_JSON, NULL);
6542 else
6543 pr_out_fmsg_group_end(dl);
6544 }
6545
6546 static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
6547 bool start)
6548 {
6549 struct dl *dl = fmsg_data->dl;
6550 uint8_t value = nest_value;
6551 int err;
6552
6553 err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
6554 if (err != MNL_CB_OK)
6555 return err;
6556
6557 switch (value) {
6558 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6559 if (start)
6560 pr_out_fmsg_start_object(dl, &fmsg_data->name);
6561 else
6562 pr_out_fmsg_end_object(dl);
6563 break;
6564 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6565 break;
6566 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6567 if (start)
6568 pr_out_fmsg_start_array(dl, &fmsg_data->name);
6569 else
6570 pr_out_fmsg_end_array(dl);
6571 break;
6572 default:
6573 return -EINVAL;
6574 }
6575 return MNL_CB_OK;
6576 }
6577
6578 static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
6579 {
6580 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6581 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6582 struct fmsg_cb_data *fmsg_data = data;
6583 struct dl *dl = fmsg_data->dl;
6584 struct nlattr *nla_object;
6585 int attr_type;
6586 int err;
6587
6588 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6589 if (!tb[DEVLINK_ATTR_FMSG])
6590 return MNL_CB_ERROR;
6591
6592 mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
6593 attr_type = mnl_attr_get_type(nla_object);
6594 switch (attr_type) {
6595 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6596 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6597 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6598 err = cmd_fmsg_nest(fmsg_data, attr_type, true);
6599 if (err != MNL_CB_OK)
6600 return err;
6601 break;
6602 case DEVLINK_ATTR_FMSG_NEST_END:
6603 err = cmd_fmsg_nest(fmsg_data, attr_type, false);
6604 if (err != MNL_CB_OK)
6605 return err;
6606 break;
6607 case DEVLINK_ATTR_FMSG_OBJ_NAME:
6608 free(fmsg_data->name);
6609 fmsg_data->name = strdup(mnl_attr_get_str(nla_object));
6610 if (!fmsg_data->name)
6611 return -ENOMEM;
6612 break;
6613 case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
6614 fmsg_data->value_type = mnl_attr_get_u8(nla_object);
6615 break;
6616 case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
6617 pr_out_fmsg_name(dl, &fmsg_data->name);
6618 err = fmsg_value_show(dl, fmsg_data->value_type,
6619 nla_object);
6620 if (err != MNL_CB_OK)
6621 return err;
6622 break;
6623 default:
6624 return -EINVAL;
6625 }
6626 }
6627 return MNL_CB_OK;
6628 }
6629
6630 static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data)
6631 {
6632 /* FMSG is dynamic: opening of an object or array causes a
6633 * newline. JSON starts with an { or [, but plain text should
6634 * not start with a new line. Ensure this by setting
6635 * g_new_line_count to 1: avoiding newline before the first
6636 * print.
6637 */
6638 g_new_line_count = 1;
6639 data->name = NULL;
6640 data->dl = dl;
6641 INIT_LIST_HEAD(&data->entry_list);
6642 }
6643
6644 static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags)
6645 {
6646 struct fmsg_cb_data data;
6647 struct nlmsghdr *nlh;
6648 int err;
6649
6650 nlh = mnlg_msg_prepare(dl->nlg, cmd, flags | NLM_F_REQUEST | NLM_F_ACK);
6651
6652 err = dl_argv_parse_put(nlh, dl,
6653 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6654 if (err)
6655 return err;
6656
6657 cmd_fmsg_init(dl, &data);
6658 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
6659 free(data.name);
6660 return err;
6661 }
6662
6663 static int cmd_health_dump_show(struct dl *dl)
6664 {
6665 return cmd_health_object_common(dl,
6666 DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
6667 NLM_F_DUMP);
6668 }
6669
6670 static int cmd_health_diagnose(struct dl *dl)
6671 {
6672 return cmd_health_object_common(dl,
6673 DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
6674 0);
6675 }
6676
6677 static int cmd_health_recover(struct dl *dl)
6678 {
6679 struct nlmsghdr *nlh;
6680 int err;
6681
6682 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
6683 NLM_F_REQUEST | NLM_F_ACK);
6684
6685 err = dl_argv_parse_put(nlh, dl,
6686 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6687 if (err)
6688 return err;
6689
6690 dl_opts_put(nlh, dl);
6691 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6692 }
6693
6694 enum devlink_health_reporter_state {
6695 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
6696 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
6697 };
6698
6699 static const char *health_state_name(uint8_t state)
6700 {
6701 switch (state) {
6702 case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
6703 return HEALTH_REPORTER_STATE_HEALTHY_STR;
6704 case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
6705 return HEALTH_REPORTER_STATE_ERROR_STR;
6706 default:
6707 return "<unknown state>";
6708 }
6709 }
6710
6711 static void pr_out_dump_reporter_format_logtime(struct dl *dl, const struct nlattr *attr)
6712 {
6713 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6714 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6715 uint64_t time_ms = mnl_attr_get_u64(attr);
6716 struct sysinfo s_info;
6717 struct tm *info;
6718 time_t now, sec;
6719 int err;
6720
6721 time(&now);
6722 info = localtime(&now);
6723 err = sysinfo(&s_info);
6724 if (err)
6725 goto out;
6726 /* Subtract uptime in sec from now yields the time of system
6727 * uptime. To this, add time_ms which is the amount of
6728 * milliseconds elapsed between uptime and the dump taken.
6729 */
6730 sec = now - s_info.uptime + time_ms / 1000;
6731 info = localtime(&sec);
6732 out:
6733 strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
6734 strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
6735 check_indent_newline(dl);
6736 print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
6737 print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
6738 }
6739
6740 static void pr_out_dump_report_timestamp(struct dl *dl, const struct nlattr *attr)
6741 {
6742 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6743 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6744 time_t tv_sec;
6745 struct tm *tm;
6746 uint64_t ts;
6747
6748 ts = mnl_attr_get_u64(attr);
6749 tv_sec = ts / 1000000000;
6750 tm = localtime(&tv_sec);
6751
6752 strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", tm);
6753 strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", tm);
6754
6755 check_indent_newline(dl);
6756 print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
6757 print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
6758 }
6759
6760 static void pr_out_health(struct dl *dl, struct nlattr **tb_health)
6761 {
6762 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6763 enum devlink_health_reporter_state state;
6764 int err;
6765
6766 err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
6767 attr_cb, tb);
6768 if (err != MNL_CB_OK)
6769 return;
6770
6771 if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
6772 !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
6773 !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
6774 !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
6775 return;
6776
6777 pr_out_handle_start_arr(dl, tb_health);
6778
6779 check_indent_newline(dl);
6780 print_string(PRINT_ANY, "reporter", "reporter %s",
6781 mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
6782 if (!dl->json_output) {
6783 __pr_out_newline();
6784 __pr_out_indent_inc();
6785 }
6786 state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
6787 check_indent_newline(dl);
6788 print_string(PRINT_ANY, "state", "state %s", health_state_name(state));
6789 pr_out_u64(dl, "error",
6790 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
6791 pr_out_u64(dl, "recover",
6792 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
6793 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS])
6794 pr_out_dump_report_timestamp(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]);
6795 else if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS])
6796 pr_out_dump_reporter_format_logtime(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]);
6797 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
6798 pr_out_u64(dl, "grace_period",
6799 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
6800 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
6801 print_bool(PRINT_ANY, "auto_recover", " auto_recover %s",
6802 mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
6803
6804 __pr_out_indent_dec();
6805 pr_out_handle_end(dl);
6806 }
6807
6808 static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
6809 {
6810 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6811 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6812 struct dl *dl = data;
6813
6814 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6815 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6816 !tb[DEVLINK_ATTR_HEALTH_REPORTER])
6817 return MNL_CB_ERROR;
6818
6819 pr_out_health(dl, tb);
6820
6821 return MNL_CB_OK;
6822 }
6823
6824 static int cmd_health_show(struct dl *dl)
6825 {
6826 struct nlmsghdr *nlh;
6827 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6828 int err;
6829
6830 if (dl_argc(dl) == 0)
6831 flags |= NLM_F_DUMP;
6832 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
6833 flags);
6834
6835 if (dl_argc(dl) > 0) {
6836 err = dl_argv_parse_put(nlh, dl,
6837 DL_OPT_HANDLE |
6838 DL_OPT_HEALTH_REPORTER_NAME, 0);
6839 if (err)
6840 return err;
6841 }
6842 pr_out_section_start(dl, "health");
6843
6844 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, dl);
6845 pr_out_section_end(dl);
6846 return err;
6847 }
6848
6849 static void cmd_health_help(void)
6850 {
6851 pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
6852 pr_err(" devlink health recover DEV reporter REPORTER_NAME\n");
6853 pr_err(" devlink health diagnose DEV reporter REPORTER_NAME\n");
6854 pr_err(" devlink health dump show DEV reporter REPORTER_NAME\n");
6855 pr_err(" devlink health dump clear DEV reporter REPORTER_NAME\n");
6856 pr_err(" devlink health set DEV reporter REPORTER_NAME { grace_period | auto_recover } { msec | boolean }\n");
6857 }
6858
6859 static int cmd_health(struct dl *dl)
6860 {
6861 if (dl_argv_match(dl, "help")) {
6862 cmd_health_help();
6863 return 0;
6864 } else if (dl_argv_match(dl, "show") ||
6865 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
6866 dl_arg_inc(dl);
6867 return cmd_health_show(dl);
6868 } else if (dl_argv_match(dl, "recover")) {
6869 dl_arg_inc(dl);
6870 return cmd_health_recover(dl);
6871 } else if (dl_argv_match(dl, "diagnose")) {
6872 dl_arg_inc(dl);
6873 return cmd_health_diagnose(dl);
6874 } else if (dl_argv_match(dl, "dump")) {
6875 dl_arg_inc(dl);
6876 if (dl_argv_match(dl, "show")) {
6877 dl_arg_inc(dl);
6878 return cmd_health_dump_show(dl);
6879 } else if (dl_argv_match(dl, "clear")) {
6880 dl_arg_inc(dl);
6881 return cmd_health_dump_clear(dl);
6882 }
6883 } else if (dl_argv_match(dl, "set")) {
6884 dl_arg_inc(dl);
6885 return cmd_health_set_params(dl);
6886 }
6887 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6888 return -ENOENT;
6889 }
6890
6891 static const char *trap_type_name(uint8_t type)
6892 {
6893 switch (type) {
6894 case DEVLINK_TRAP_TYPE_DROP:
6895 return "drop";
6896 case DEVLINK_TRAP_TYPE_EXCEPTION:
6897 return "exception";
6898 default:
6899 return "<unknown type>";
6900 }
6901 }
6902
6903 static const char *trap_action_name(uint8_t action)
6904 {
6905 switch (action) {
6906 case DEVLINK_TRAP_ACTION_DROP:
6907 return "drop";
6908 case DEVLINK_TRAP_ACTION_TRAP:
6909 return "trap";
6910 default:
6911 return "<unknown action>";
6912 }
6913 }
6914
6915 static const char *trap_metadata_name(const struct nlattr *attr)
6916 {
6917 switch (attr->nla_type) {
6918 case DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT:
6919 return "input_port";
6920 default:
6921 return "<unknown metadata type>";
6922 }
6923 }
6924 static void pr_out_trap_metadata(struct dl *dl, struct nlattr *attr)
6925 {
6926 struct nlattr *attr_metadata;
6927
6928 pr_out_array_start(dl, "metadata");
6929 mnl_attr_for_each_nested(attr_metadata, attr) {
6930 check_indent_newline(dl);
6931 print_string(PRINT_ANY, NULL, "%s",
6932 trap_metadata_name(attr_metadata));
6933 }
6934 pr_out_array_end(dl);
6935 }
6936
6937 static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array)
6938 {
6939 uint8_t action = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_ACTION]);
6940 uint8_t type = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_TYPE]);
6941
6942 if (array)
6943 pr_out_handle_start_arr(dl, tb);
6944 else
6945 __pr_out_handle_start(dl, tb, true, false);
6946
6947 check_indent_newline(dl);
6948 print_string(PRINT_ANY, "name", "name %s",
6949 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_NAME]));
6950 print_string(PRINT_ANY, "type", " type %s", trap_type_name(type));
6951 print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
6952 print_string(PRINT_ANY, "action", " action %s", trap_action_name(action));
6953 print_string(PRINT_ANY, "group", " group %s",
6954 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
6955 if (dl->verbose)
6956 pr_out_trap_metadata(dl, tb[DEVLINK_ATTR_TRAP_METADATA]);
6957 pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
6958 pr_out_handle_end(dl);
6959 }
6960
6961 static int cmd_trap_show_cb(const struct nlmsghdr *nlh, void *data)
6962 {
6963 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6964 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6965 struct dl *dl = data;
6966
6967 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6968 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6969 !tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] ||
6970 !tb[DEVLINK_ATTR_TRAP_ACTION] ||
6971 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
6972 !tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS])
6973 return MNL_CB_ERROR;
6974
6975 pr_out_trap(dl, tb, true);
6976
6977 return MNL_CB_OK;
6978 }
6979
6980 static void cmd_trap_help(void)
6981 {
6982 pr_err("Usage: devlink trap set DEV trap TRAP [ action { trap | drop } ]\n");
6983 pr_err(" devlink trap show [ DEV trap TRAP ]\n");
6984 pr_err(" devlink trap group set DEV group GROUP [ action { trap | drop } ]\n");
6985 pr_err(" devlink trap group show [ DEV group GROUP ]\n");
6986 }
6987
6988 static int cmd_trap_show(struct dl *dl)
6989 {
6990 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6991 struct nlmsghdr *nlh;
6992 int err;
6993
6994 if (dl_argc(dl) == 0)
6995 flags |= NLM_F_DUMP;
6996
6997 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GET, flags);
6998
6999 if (dl_argc(dl) > 0) {
7000 err = dl_argv_parse_put(nlh, dl,
7001 DL_OPT_HANDLE | DL_OPT_TRAP_NAME, 0);
7002 if (err)
7003 return err;
7004 }
7005
7006 pr_out_section_start(dl, "trap");
7007 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_show_cb, dl);
7008 pr_out_section_end(dl);
7009
7010 return err;
7011 }
7012
7013 static int cmd_trap_set(struct dl *dl)
7014 {
7015 struct nlmsghdr *nlh;
7016 int err;
7017
7018 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_SET,
7019 NLM_F_REQUEST | NLM_F_ACK);
7020
7021 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_TRAP_NAME,
7022 DL_OPT_TRAP_ACTION);
7023 if (err)
7024 return err;
7025
7026 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
7027 }
7028
7029 static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array)
7030 {
7031 if (array)
7032 pr_out_handle_start_arr(dl, tb);
7033 else
7034 __pr_out_handle_start(dl, tb, true, false);
7035
7036 check_indent_newline(dl);
7037 print_string(PRINT_ANY, "name", "name %s",
7038 mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
7039 print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
7040 pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
7041 pr_out_handle_end(dl);
7042 }
7043
7044 static int cmd_trap_group_show_cb(const struct nlmsghdr *nlh, void *data)
7045 {
7046 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
7047 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
7048 struct dl *dl = data;
7049
7050 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
7051 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
7052 !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS])
7053 return MNL_CB_ERROR;
7054
7055 pr_out_trap_group(dl, tb, true);
7056
7057 return MNL_CB_OK;
7058 }
7059
7060 static int cmd_trap_group_show(struct dl *dl)
7061 {
7062 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
7063 struct nlmsghdr *nlh;
7064 int err;
7065
7066 if (dl_argc(dl) == 0)
7067 flags |= NLM_F_DUMP;
7068
7069 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags);
7070
7071 if (dl_argc(dl) > 0) {
7072 err = dl_argv_parse_put(nlh, dl,
7073 DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
7074 0);
7075 if (err)
7076 return err;
7077 }
7078
7079 pr_out_section_start(dl, "trap_group");
7080 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_group_show_cb, dl);
7081 pr_out_section_end(dl);
7082
7083 return err;
7084 }
7085
7086 static int cmd_trap_group_set(struct dl *dl)
7087 {
7088 struct nlmsghdr *nlh;
7089 int err;
7090
7091 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_SET,
7092 NLM_F_REQUEST | NLM_F_ACK);
7093
7094 err = dl_argv_parse_put(nlh, dl,
7095 DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
7096 DL_OPT_TRAP_ACTION);
7097 if (err)
7098 return err;
7099
7100 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
7101 }
7102
7103 static int cmd_trap_group(struct dl *dl)
7104 {
7105 if (dl_argv_match(dl, "help")) {
7106 cmd_trap_help();
7107 return 0;
7108 } else if (dl_argv_match(dl, "show") ||
7109 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
7110 dl_arg_inc(dl);
7111 return cmd_trap_group_show(dl);
7112 } else if (dl_argv_match(dl, "set")) {
7113 dl_arg_inc(dl);
7114 return cmd_trap_group_set(dl);
7115 }
7116 pr_err("Command \"%s\" not found\n", dl_argv(dl));
7117 return -ENOENT;
7118 }
7119
7120 static int cmd_trap(struct dl *dl)
7121 {
7122 if (dl_argv_match(dl, "help")) {
7123 cmd_trap_help();
7124 return 0;
7125 } else if (dl_argv_match(dl, "show") ||
7126 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
7127 dl_arg_inc(dl);
7128 return cmd_trap_show(dl);
7129 } else if (dl_argv_match(dl, "set")) {
7130 dl_arg_inc(dl);
7131 return cmd_trap_set(dl);
7132 } else if (dl_argv_match(dl, "group")) {
7133 dl_arg_inc(dl);
7134 return cmd_trap_group(dl);
7135 }
7136 pr_err("Command \"%s\" not found\n", dl_argv(dl));
7137 return -ENOENT;
7138 }
7139
7140 static void help(void)
7141 {
7142 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
7143 " devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n"
7144 "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health | trap }\n"
7145 " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] }\n");
7146 }
7147
7148 static int dl_cmd(struct dl *dl, int argc, char **argv)
7149 {
7150 dl->argc = argc;
7151 dl->argv = argv;
7152
7153 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
7154 help();
7155 return 0;
7156 } else if (dl_argv_match(dl, "dev")) {
7157 dl_arg_inc(dl);
7158 return cmd_dev(dl);
7159 } else if (dl_argv_match(dl, "port")) {
7160 dl_arg_inc(dl);
7161 return cmd_port(dl);
7162 } else if (dl_argv_match(dl, "sb")) {
7163 dl_arg_inc(dl);
7164 return cmd_sb(dl);
7165 } else if (dl_argv_match(dl, "monitor")) {
7166 dl_arg_inc(dl);
7167 return cmd_mon(dl);
7168 } else if (dl_argv_match(dl, "dpipe")) {
7169 dl_arg_inc(dl);
7170 return cmd_dpipe(dl);
7171 } else if (dl_argv_match(dl, "resource")) {
7172 dl_arg_inc(dl);
7173 return cmd_resource(dl);
7174 } else if (dl_argv_match(dl, "region")) {
7175 dl_arg_inc(dl);
7176 return cmd_region(dl);
7177 } else if (dl_argv_match(dl, "health")) {
7178 dl_arg_inc(dl);
7179 return cmd_health(dl);
7180 } else if (dl_argv_match(dl, "trap")) {
7181 dl_arg_inc(dl);
7182 return cmd_trap(dl);
7183 }
7184 pr_err("Object \"%s\" not found\n", dl_argv(dl));
7185 return -ENOENT;
7186 }
7187
7188 static int dl_init(struct dl *dl)
7189 {
7190 int err;
7191
7192 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
7193 if (!dl->nlg) {
7194 pr_err("Failed to connect to devlink Netlink\n");
7195 return -errno;
7196 }
7197
7198 err = ifname_map_init(dl);
7199 if (err) {
7200 pr_err("Failed to create index map\n");
7201 goto err_ifname_map_create;
7202 }
7203 new_json_obj_plain(dl->json_output);
7204 return 0;
7205
7206 err_ifname_map_create:
7207 mnlg_socket_close(dl->nlg);
7208 return err;
7209 }
7210
7211 static void dl_fini(struct dl *dl)
7212 {
7213 delete_json_obj_plain();
7214 ifname_map_fini(dl);
7215 mnlg_socket_close(dl->nlg);
7216 }
7217
7218 static struct dl *dl_alloc(void)
7219 {
7220 struct dl *dl;
7221
7222 dl = calloc(1, sizeof(*dl));
7223 if (!dl)
7224 return NULL;
7225 return dl;
7226 }
7227
7228 static void dl_free(struct dl *dl)
7229 {
7230 free(dl);
7231 }
7232
7233 static int dl_batch(struct dl *dl, const char *name, bool force)
7234 {
7235 char *line = NULL;
7236 size_t len = 0;
7237 int ret = EXIT_SUCCESS;
7238
7239 if (name && strcmp(name, "-") != 0) {
7240 if (freopen(name, "r", stdin) == NULL) {
7241 fprintf(stderr,
7242 "Cannot open file \"%s\" for reading: %s\n",
7243 name, strerror(errno));
7244 return EXIT_FAILURE;
7245 }
7246 }
7247
7248 cmdlineno = 0;
7249 while (getcmdline(&line, &len, stdin) != -1) {
7250 char *largv[100];
7251 int largc;
7252
7253 largc = makeargs(line, largv, 100);
7254 if (!largc)
7255 continue; /* blank line */
7256
7257 if (dl_cmd(dl, largc, largv)) {
7258 fprintf(stderr, "Command failed %s:%d\n",
7259 name, cmdlineno);
7260 ret = EXIT_FAILURE;
7261 if (!force)
7262 break;
7263 }
7264 }
7265
7266 if (line)
7267 free(line);
7268
7269 return ret;
7270 }
7271
7272 int main(int argc, char **argv)
7273 {
7274 static const struct option long_options[] = {
7275 { "Version", no_argument, NULL, 'V' },
7276 { "force", no_argument, NULL, 'f' },
7277 { "batch", required_argument, NULL, 'b' },
7278 { "no-nice-names", no_argument, NULL, 'n' },
7279 { "json", no_argument, NULL, 'j' },
7280 { "pretty", no_argument, NULL, 'p' },
7281 { "verbose", no_argument, NULL, 'v' },
7282 { "statistics", no_argument, NULL, 's' },
7283 { "Netns", required_argument, NULL, 'N' },
7284 { NULL, 0, NULL, 0 }
7285 };
7286 const char *batch_file = NULL;
7287 bool force = false;
7288 struct dl *dl;
7289 int opt;
7290 int err;
7291 int ret;
7292
7293 dl = dl_alloc();
7294 if (!dl) {
7295 pr_err("Failed to allocate memory for devlink\n");
7296 return EXIT_FAILURE;
7297 }
7298
7299 while ((opt = getopt_long(argc, argv, "Vfb:njpvsN:",
7300 long_options, NULL)) >= 0) {
7301
7302 switch (opt) {
7303 case 'V':
7304 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
7305 ret = EXIT_SUCCESS;
7306 goto dl_free;
7307 case 'f':
7308 force = true;
7309 break;
7310 case 'b':
7311 batch_file = optarg;
7312 break;
7313 case 'n':
7314 dl->no_nice_names = true;
7315 break;
7316 case 'j':
7317 dl->json_output = true;
7318 break;
7319 case 'p':
7320 pretty = true;
7321 break;
7322 case 'v':
7323 dl->verbose = true;
7324 break;
7325 case 's':
7326 dl->stats = true;
7327 break;
7328 case 'N':
7329 if (netns_switch(optarg)) {
7330 ret = EXIT_FAILURE;
7331 goto dl_free;
7332 }
7333 break;
7334 default:
7335 pr_err("Unknown option.\n");
7336 help();
7337 ret = EXIT_FAILURE;
7338 goto dl_free;
7339 }
7340 }
7341
7342 argc -= optind;
7343 argv += optind;
7344
7345 err = dl_init(dl);
7346 if (err) {
7347 ret = EXIT_FAILURE;
7348 goto dl_free;
7349 }
7350
7351 if (batch_file)
7352 err = dl_batch(dl, batch_file, force);
7353 else
7354 err = dl_cmd(dl, argc, argv);
7355
7356 if (err) {
7357 ret = EXIT_FAILURE;
7358 goto dl_fini;
7359 }
7360
7361 ret = EXIT_SUCCESS;
7362
7363 dl_fini:
7364 dl_fini(dl);
7365 dl_free:
7366 dl_free(dl);
7367
7368 return ret;
7369 }
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