]> git.proxmox.com Git - mirror_iproute2.git/blob - devlink/devlink.c
projects / mirror_iproute2.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
devlink: Introduce PCI PF and VF port flavour and attribute
[mirror_iproute2.git] / devlink / devlink.c
1 /*
2 * devlink.c Devlink tool
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Authors: Jiri Pirko <jiri@mellanox.com>
10 */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <stdarg.h>
15 #include <string.h>
16 #include <stdbool.h>
17 #include <unistd.h>
18 #include <getopt.h>
19 #include <limits.h>
20 #include <errno.h>
21 #include <inttypes.h>
22 #include <sys/sysinfo.h>
23 #define _LINUX_SYSINFO_H /* avoid collision with musl header */
24 #include <linux/genetlink.h>
25 #include <linux/devlink.h>
26 #include <libmnl/libmnl.h>
27 #include <netinet/ether.h>
28 #include <sys/queue.h>
29
30 #include "SNAPSHOT.h"
31 #include "list.h"
32 #include "mnlg.h"
33 #include "json_writer.h"
34 #include "utils.h"
35
36 #define ESWITCH_MODE_LEGACY "legacy"
37 #define ESWITCH_MODE_SWITCHDEV "switchdev"
38 #define ESWITCH_INLINE_MODE_NONE "none"
39 #define ESWITCH_INLINE_MODE_LINK "link"
40 #define ESWITCH_INLINE_MODE_NETWORK "network"
41 #define ESWITCH_INLINE_MODE_TRANSPORT "transport"
42
43 #define PARAM_CMODE_RUNTIME_STR "runtime"
44 #define PARAM_CMODE_DRIVERINIT_STR "driverinit"
45 #define PARAM_CMODE_PERMANENT_STR "permanent"
46 #define DL_ARGS_REQUIRED_MAX_ERR_LEN 80
47
48 #define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy"
49 #define HEALTH_REPORTER_STATE_ERROR_STR "error"
50 #define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
51
52 static int g_new_line_count;
53 static int g_indent_level;
54 static bool g_indent_newline;
55
56 #define INDENT_STR_STEP 2
57 #define INDENT_STR_MAXLEN 32
58 static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
59
60 static void __attribute__((format(printf, 1, 2)))
61 pr_err(const char *fmt, ...)
62 {
63 va_list ap;
64
65 va_start(ap, fmt);
66 vfprintf(stderr, fmt, ap);
67 va_end(ap);
68 }
69
70 static void __attribute__((format(printf, 1, 2)))
71 pr_out(const char *fmt, ...)
72 {
73 va_list ap;
74
75 if (g_indent_newline) {
76 printf("%s", g_indent_str);
77 g_indent_newline = false;
78 }
79 va_start(ap, fmt);
80 vprintf(fmt, ap);
81 va_end(ap);
82 g_new_line_count = 0;
83 }
84
85 static void __attribute__((format(printf, 2, 3)))
86 pr_out_sp(unsigned int num, const char *fmt, ...)
87 {
88 va_list ap;
89 int ret;
90
91 va_start(ap, fmt);
92 ret = vprintf(fmt, ap);
93 va_end(ap);
94
95 if (ret < num)
96 printf("%*s", num - ret, "");
97 g_new_line_count = 0; \
98 }
99
100 static void __pr_out_indent_inc(void)
101 {
102 if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
103 return;
104 g_indent_level += INDENT_STR_STEP;
105 memset(g_indent_str, ' ', sizeof(g_indent_str));
106 g_indent_str[g_indent_level] = '\0';
107 }
108
109 static void __pr_out_indent_dec(void)
110 {
111 if (g_indent_level - INDENT_STR_STEP < 0)
112 return;
113 g_indent_level -= INDENT_STR_STEP;
114 g_indent_str[g_indent_level] = '\0';
115 }
116
117 static void __pr_out_newline(void)
118 {
119 if (g_new_line_count < 1) {
120 pr_out("\n");
121 g_indent_newline = true;
122 }
123 g_new_line_count++;
124 }
125
126 static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
127 mnl_cb_t data_cb, void *data)
128 {
129 int err;
130
131 err = mnlg_socket_recv_run(nlg, data_cb, data);
132 if (err < 0) {
133 pr_err("devlink answers: %s\n", strerror(errno));
134 return -errno;
135 }
136 return 0;
137 }
138
139 static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
140 const struct nlmsghdr *nlh,
141 mnl_cb_t data_cb, void *data)
142 {
143 int err;
144
145 err = mnlg_socket_send(nlg, nlh);
146 if (err < 0) {
147 pr_err("Failed to call mnlg_socket_send\n");
148 return -errno;
149 }
150 return _mnlg_socket_recv_run(nlg, data_cb, data);
151 }
152
153 static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
154 const char *group_name)
155 {
156 int err;
157
158 err = mnlg_socket_group_add(nlg, group_name);
159 if (err < 0) {
160 pr_err("Failed to call mnlg_socket_group_add\n");
161 return -errno;
162 }
163 return 0;
164 }
165
166 struct ifname_map {
167 struct list_head list;
168 char *bus_name;
169 char *dev_name;
170 uint32_t port_index;
171 char *ifname;
172 };
173
174 static struct ifname_map *ifname_map_alloc(const char *bus_name,
175 const char *dev_name,
176 uint32_t port_index,
177 const char *ifname)
178 {
179 struct ifname_map *ifname_map;
180
181 ifname_map = calloc(1, sizeof(*ifname_map));
182 if (!ifname_map)
183 return NULL;
184 ifname_map->bus_name = strdup(bus_name);
185 ifname_map->dev_name = strdup(dev_name);
186 ifname_map->port_index = port_index;
187 ifname_map->ifname = strdup(ifname);
188 if (!ifname_map->bus_name || !ifname_map->dev_name ||
189 !ifname_map->ifname) {
190 free(ifname_map->ifname);
191 free(ifname_map->dev_name);
192 free(ifname_map->bus_name);
193 free(ifname_map);
194 return NULL;
195 }
196 return ifname_map;
197 }
198
199 static void ifname_map_free(struct ifname_map *ifname_map)
200 {
201 free(ifname_map->ifname);
202 free(ifname_map->dev_name);
203 free(ifname_map->bus_name);
204 free(ifname_map);
205 }
206
207 #define DL_OPT_HANDLE BIT(0)
208 #define DL_OPT_HANDLEP BIT(1)
209 #define DL_OPT_PORT_TYPE BIT(2)
210 #define DL_OPT_PORT_COUNT BIT(3)
211 #define DL_OPT_SB BIT(4)
212 #define DL_OPT_SB_POOL BIT(5)
213 #define DL_OPT_SB_SIZE BIT(6)
214 #define DL_OPT_SB_TYPE BIT(7)
215 #define DL_OPT_SB_THTYPE BIT(8)
216 #define DL_OPT_SB_TH BIT(9)
217 #define DL_OPT_SB_TC BIT(10)
218 #define DL_OPT_ESWITCH_MODE BIT(11)
219 #define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
220 #define DL_OPT_DPIPE_TABLE_NAME BIT(13)
221 #define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
222 #define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
223 #define DL_OPT_RESOURCE_PATH BIT(16)
224 #define DL_OPT_RESOURCE_SIZE BIT(17)
225 #define DL_OPT_PARAM_NAME BIT(18)
226 #define DL_OPT_PARAM_VALUE BIT(19)
227 #define DL_OPT_PARAM_CMODE BIT(20)
228 #define DL_OPT_HANDLE_REGION BIT(21)
229 #define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
230 #define DL_OPT_REGION_ADDRESS BIT(23)
231 #define DL_OPT_REGION_LENGTH BIT(24)
232 #define DL_OPT_FLASH_FILE_NAME BIT(25)
233 #define DL_OPT_FLASH_COMPONENT BIT(26)
234 #define DL_OPT_HEALTH_REPORTER_NAME BIT(27)
235 #define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(27)
236 #define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(28)
237
238 struct dl_opts {
239 uint32_t present; /* flags of present items */
240 char *bus_name;
241 char *dev_name;
242 uint32_t port_index;
243 enum devlink_port_type port_type;
244 uint32_t port_count;
245 uint32_t sb_index;
246 uint16_t sb_pool_index;
247 uint32_t sb_pool_size;
248 enum devlink_sb_pool_type sb_pool_type;
249 enum devlink_sb_threshold_type sb_pool_thtype;
250 uint32_t sb_threshold;
251 uint16_t sb_tc_index;
252 enum devlink_eswitch_mode eswitch_mode;
253 enum devlink_eswitch_inline_mode eswitch_inline_mode;
254 const char *dpipe_table_name;
255 bool dpipe_counters_enable;
256 bool eswitch_encap_mode;
257 const char *resource_path;
258 uint32_t resource_size;
259 uint32_t resource_id;
260 bool resource_id_valid;
261 const char *param_name;
262 const char *param_value;
263 enum devlink_param_cmode cmode;
264 char *region_name;
265 uint32_t region_snapshot_id;
266 uint64_t region_address;
267 uint64_t region_length;
268 const char *flash_file_name;
269 const char *flash_component;
270 const char *reporter_name;
271 uint64_t reporter_graceful_period;
272 bool reporter_auto_recover;
273 };
274
275 struct dl {
276 struct mnlg_socket *nlg;
277 struct list_head ifname_map_list;
278 int argc;
279 char **argv;
280 bool no_nice_names;
281 struct dl_opts opts;
282 json_writer_t *jw;
283 bool json_output;
284 bool pretty_output;
285 bool verbose;
286 struct {
287 bool present;
288 char *bus_name;
289 char *dev_name;
290 uint32_t port_index;
291 } arr_last;
292 };
293
294 static int dl_argc(struct dl *dl)
295 {
296 return dl->argc;
297 }
298
299 static char *dl_argv(struct dl *dl)
300 {
301 if (dl_argc(dl) == 0)
302 return NULL;
303 return *dl->argv;
304 }
305
306 static void dl_arg_inc(struct dl *dl)
307 {
308 if (dl_argc(dl) == 0)
309 return;
310 dl->argc--;
311 dl->argv++;
312 }
313
314 static char *dl_argv_next(struct dl *dl)
315 {
316 char *ret;
317
318 if (dl_argc(dl) == 0)
319 return NULL;
320
321 ret = *dl->argv;
322 dl_arg_inc(dl);
323 return ret;
324 }
325
326 static char *dl_argv_index(struct dl *dl, unsigned int index)
327 {
328 if (index >= dl_argc(dl))
329 return NULL;
330 return dl->argv[index];
331 }
332
333 static int strcmpx(const char *str1, const char *str2)
334 {
335 if (strlen(str1) > strlen(str2))
336 return -1;
337 return strncmp(str1, str2, strlen(str1));
338 }
339
340 static bool dl_argv_match(struct dl *dl, const char *pattern)
341 {
342 if (dl_argc(dl) == 0)
343 return false;
344 return strcmpx(dl_argv(dl), pattern) == 0;
345 }
346
347 static bool dl_no_arg(struct dl *dl)
348 {
349 return dl_argc(dl) == 0;
350 }
351
352 static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
353 [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
354 [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
355 [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
356 [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
357 [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
358 [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
359 [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
360 [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
361 [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
362 [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
363 [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
364 [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
365 [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
366 [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
367 [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
368 [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
369 [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
370 [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
371 [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
372 [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
373 [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
374 [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
375 [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
376 [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
377 [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
378 [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
379 [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
380 [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
381 [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
382 [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
383 [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
384 [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
385 [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
386 [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
387 [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
388 [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
389 [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
390 [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
391 [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
392 [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
393 [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
394 [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
395 [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
396 [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
397 [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
398 [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
399 [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
400 [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
401 [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
402 [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
403 [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
404 [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
405 [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
406 [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
407 [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
408 [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
409 [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
410 [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
411 [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
412 [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
413 [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
414 [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
415 [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
416 [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
417 [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
418 [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
419 [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
420 [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
421 [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
422 [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
423 [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
424 [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
425 [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
426 [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING,
427 [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING,
428 [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED,
429 [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED,
430 [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED,
431 [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING,
432 [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING,
433 [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED,
434 [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING,
435 [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8,
436 [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64,
437 [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
438 [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
439 [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
440 };
441
442 static int attr_cb(const struct nlattr *attr, void *data)
443 {
444 const struct nlattr **tb = data;
445 int type;
446
447 if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
448 return MNL_CB_OK;
449
450 type = mnl_attr_get_type(attr);
451 if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
452 return MNL_CB_ERROR;
453
454 tb[type] = attr;
455 return MNL_CB_OK;
456 }
457
458 static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
459 {
460 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
461 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
462 struct dl *dl = data;
463 struct ifname_map *ifname_map;
464 const char *bus_name;
465 const char *dev_name;
466 uint32_t port_ifindex;
467 const char *port_ifname;
468
469 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
470 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
471 !tb[DEVLINK_ATTR_PORT_INDEX])
472 return MNL_CB_ERROR;
473
474 if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
475 return MNL_CB_OK;
476
477 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
478 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
479 port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
480 port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
481 ifname_map = ifname_map_alloc(bus_name, dev_name,
482 port_ifindex, port_ifname);
483 if (!ifname_map)
484 return MNL_CB_ERROR;
485 list_add(&ifname_map->list, &dl->ifname_map_list);
486
487 return MNL_CB_OK;
488 }
489
490 static void ifname_map_fini(struct dl *dl)
491 {
492 struct ifname_map *ifname_map, *tmp;
493
494 list_for_each_entry_safe(ifname_map, tmp,
495 &dl->ifname_map_list, list) {
496 list_del(&ifname_map->list);
497 ifname_map_free(ifname_map);
498 }
499 }
500
501 static int ifname_map_init(struct dl *dl)
502 {
503 struct nlmsghdr *nlh;
504 int err;
505
506 INIT_LIST_HEAD(&dl->ifname_map_list);
507
508 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
509 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
510
511 err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
512 if (err) {
513 ifname_map_fini(dl);
514 return err;
515 }
516 return 0;
517 }
518
519 static int ifname_map_lookup(struct dl *dl, const char *ifname,
520 char **p_bus_name, char **p_dev_name,
521 uint32_t *p_port_index)
522 {
523 struct ifname_map *ifname_map;
524
525 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
526 if (strcmp(ifname, ifname_map->ifname) == 0) {
527 *p_bus_name = ifname_map->bus_name;
528 *p_dev_name = ifname_map->dev_name;
529 *p_port_index = ifname_map->port_index;
530 return 0;
531 }
532 }
533 return -ENOENT;
534 }
535
536 static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
537 const char *dev_name, uint32_t port_index,
538 char **p_ifname)
539 {
540 struct ifname_map *ifname_map;
541
542 list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
543 if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
544 strcmp(dev_name, ifname_map->dev_name) == 0 &&
545 port_index == ifname_map->port_index) {
546 *p_ifname = ifname_map->ifname;
547 return 0;
548 }
549 }
550 return -ENOENT;
551 }
552
553 static unsigned int strslashcount(char *str)
554 {
555 unsigned int count = 0;
556 char *pos = str;
557
558 while ((pos = strchr(pos, '/'))) {
559 count++;
560 pos++;
561 }
562 return count;
563 }
564
565 static int strslashrsplit(char *str, char **before, char **after)
566 {
567 char *slash;
568
569 slash = strrchr(str, '/');
570 if (!slash)
571 return -EINVAL;
572 *slash = '\0';
573 *before = str;
574 *after = slash + 1;
575 return 0;
576 }
577
578 static int strtouint64_t(const char *str, uint64_t *p_val)
579 {
580 char *endptr;
581 unsigned long long int val;
582
583 val = strtoull(str, &endptr, 10);
584 if (endptr == str || *endptr != '\0')
585 return -EINVAL;
586 if (val > ULONG_MAX)
587 return -ERANGE;
588 *p_val = val;
589 return 0;
590 }
591
592 static int strtouint32_t(const char *str, uint32_t *p_val)
593 {
594 char *endptr;
595 unsigned long int val;
596
597 val = strtoul(str, &endptr, 10);
598 if (endptr == str || *endptr != '\0')
599 return -EINVAL;
600 if (val > UINT_MAX)
601 return -ERANGE;
602 *p_val = val;
603 return 0;
604 }
605
606 static int strtouint16_t(const char *str, uint16_t *p_val)
607 {
608 char *endptr;
609 unsigned long int val;
610
611 val = strtoul(str, &endptr, 10);
612 if (endptr == str || *endptr != '\0')
613 return -EINVAL;
614 if (val > USHRT_MAX)
615 return -ERANGE;
616 *p_val = val;
617 return 0;
618 }
619
620 static int strtouint8_t(const char *str, uint8_t *p_val)
621 {
622 char *endptr;
623 unsigned long int val;
624
625 val = strtoul(str, &endptr, 10);
626 if (endptr == str || *endptr != '\0')
627 return -EINVAL;
628 if (val > UCHAR_MAX)
629 return -ERANGE;
630 *p_val = val;
631 return 0;
632 }
633
634 static int strtobool(const char *str, bool *p_val)
635 {
636 bool val;
637
638 if (!strcmp(str, "true") || !strcmp(str, "1"))
639 val = true;
640 else if (!strcmp(str, "false") || !strcmp(str, "0"))
641 val = false;
642 else
643 return -EINVAL;
644 *p_val = val;
645 return 0;
646 }
647
648 static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
649 {
650 strslashrsplit(str, p_bus_name, p_dev_name);
651 return 0;
652 }
653
654 static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
655 {
656 char *str = dl_argv_next(dl);
657
658 if (!str) {
659 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
660 return -EINVAL;
661 }
662 if (strslashcount(str) != 1) {
663 pr_err("Wrong devlink identification string format.\n");
664 pr_err("Expected \"bus_name/dev_name\".\n");
665 return -EINVAL;
666 }
667 return __dl_argv_handle(str, p_bus_name, p_dev_name);
668 }
669
670 static int __dl_argv_handle_port(char *str,
671 char **p_bus_name, char **p_dev_name,
672 uint32_t *p_port_index)
673 {
674 char *handlestr;
675 char *portstr;
676 int err;
677
678 err = strslashrsplit(str, &handlestr, &portstr);
679 if (err) {
680 pr_err("Port identification \"%s\" is invalid\n", str);
681 return err;
682 }
683 err = strtouint32_t(portstr, p_port_index);
684 if (err) {
685 pr_err("Port index \"%s\" is not a number or not within range\n",
686 portstr);
687 return err;
688 }
689 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
690 if (err) {
691 pr_err("Port identification \"%s\" is invalid\n", str);
692 return err;
693 }
694 return 0;
695 }
696
697 static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
698 char **p_bus_name, char **p_dev_name,
699 uint32_t *p_port_index)
700 {
701 int err;
702
703 err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
704 p_port_index);
705 if (err) {
706 pr_err("Netdevice \"%s\" not found\n", str);
707 return err;
708 }
709 return 0;
710 }
711
712 static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
713 char **p_dev_name, uint32_t *p_port_index)
714 {
715 char *str = dl_argv_next(dl);
716 unsigned int slash_count;
717
718 if (!str) {
719 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
720 return -EINVAL;
721 }
722 slash_count = strslashcount(str);
723 switch (slash_count) {
724 case 0:
725 return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
726 p_dev_name, p_port_index);
727 case 2:
728 return __dl_argv_handle_port(str, p_bus_name,
729 p_dev_name, p_port_index);
730 default:
731 pr_err("Wrong port identification string format.\n");
732 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
733 return -EINVAL;
734 }
735 }
736
737 static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
738 char **p_dev_name, uint32_t *p_port_index,
739 uint32_t *p_handle_bit)
740 {
741 char *str = dl_argv_next(dl);
742 unsigned int slash_count;
743 int err;
744
745 if (!str) {
746 pr_err("One of following identifications expected:\n"
747 "Devlink identification (\"bus_name/dev_name\")\n"
748 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
749 return -EINVAL;
750 }
751 slash_count = strslashcount(str);
752 if (slash_count == 1) {
753 err = __dl_argv_handle(str, p_bus_name, p_dev_name);
754 if (err)
755 return err;
756 *p_handle_bit = DL_OPT_HANDLE;
757 } else if (slash_count == 2) {
758 err = __dl_argv_handle_port(str, p_bus_name,
759 p_dev_name, p_port_index);
760 if (err)
761 return err;
762 *p_handle_bit = DL_OPT_HANDLEP;
763 } else if (slash_count == 0) {
764 err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
765 p_dev_name, p_port_index);
766 if (err)
767 return err;
768 *p_handle_bit = DL_OPT_HANDLEP;
769 } else {
770 pr_err("Wrong port identification string format.\n");
771 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
772 return -EINVAL;
773 }
774 return 0;
775 }
776
777 static int __dl_argv_handle_region(char *str, char **p_bus_name,
778 char **p_dev_name, char **p_region)
779 {
780 char *handlestr;
781 int err;
782
783 err = strslashrsplit(str, &handlestr, p_region);
784 if (err) {
785 pr_err("Region identification \"%s\" is invalid\n", str);
786 return err;
787 }
788 err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
789 if (err) {
790 pr_err("Region identification \"%s\" is invalid\n", str);
791 return err;
792 }
793 return 0;
794 }
795
796 static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
797 char **p_dev_name, char **p_region)
798 {
799 char *str = dl_argv_next(dl);
800 unsigned int slash_count;
801
802 if (!str) {
803 pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
804 return -EINVAL;
805 }
806
807 slash_count = strslashcount(str);
808 if (slash_count != 2) {
809 pr_err("Wrong region identification string format.\n");
810 pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
811 return -EINVAL;
812 }
813
814 return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
815 }
816
817 static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
818 {
819 char *str = dl_argv_next(dl);
820 int err;
821
822 if (!str) {
823 pr_err("Unsigned number argument expected\n");
824 return -EINVAL;
825 }
826
827 err = strtouint64_t(str, p_val);
828 if (err) {
829 pr_err("\"%s\" is not a number or not within range\n", str);
830 return err;
831 }
832 return 0;
833 }
834
835 static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
836 {
837 char *str = dl_argv_next(dl);
838 int err;
839
840 if (!str) {
841 pr_err("Unsigned number argument expected\n");
842 return -EINVAL;
843 }
844
845 err = strtouint32_t(str, p_val);
846 if (err) {
847 pr_err("\"%s\" is not a number or not within range\n", str);
848 return err;
849 }
850 return 0;
851 }
852
853 static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
854 {
855 char *str = dl_argv_next(dl);
856 int err;
857
858 if (!str) {
859 pr_err("Unsigned number argument expected\n");
860 return -EINVAL;
861 }
862
863 err = strtouint16_t(str, p_val);
864 if (err) {
865 pr_err("\"%s\" is not a number or not within range\n", str);
866 return err;
867 }
868 return 0;
869 }
870
871 static int dl_argv_bool(struct dl *dl, bool *p_val)
872 {
873 char *str = dl_argv_next(dl);
874 int err;
875
876 if (!str) {
877 pr_err("Boolean argument expected\n");
878 return -EINVAL;
879 }
880
881 err = strtobool(str, p_val);
882 if (err) {
883 pr_err("\"%s\" is not a valid boolean value\n", str);
884 return err;
885 }
886 return 0;
887 }
888
889 static int dl_argv_str(struct dl *dl, const char **p_str)
890 {
891 const char *str = dl_argv_next(dl);
892
893 if (!str) {
894 pr_err("String parameter expected\n");
895 return -EINVAL;
896 }
897 *p_str = str;
898 return 0;
899 }
900
901 static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
902 {
903 if (strcmp(typestr, "auto") == 0) {
904 *p_type = DEVLINK_PORT_TYPE_AUTO;
905 } else if (strcmp(typestr, "eth") == 0) {
906 *p_type = DEVLINK_PORT_TYPE_ETH;
907 } else if (strcmp(typestr, "ib") == 0) {
908 *p_type = DEVLINK_PORT_TYPE_IB;
909 } else {
910 pr_err("Unknown port type \"%s\"\n", typestr);
911 return -EINVAL;
912 }
913 return 0;
914 }
915
916 static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
917 {
918 if (strcmp(typestr, "ingress") == 0) {
919 *p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
920 } else if (strcmp(typestr, "egress") == 0) {
921 *p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
922 } else {
923 pr_err("Unknown pool type \"%s\"\n", typestr);
924 return -EINVAL;
925 }
926 return 0;
927 }
928
929 static int threshold_type_get(const char *typestr,
930 enum devlink_sb_threshold_type *p_type)
931 {
932 if (strcmp(typestr, "static") == 0) {
933 *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
934 } else if (strcmp(typestr, "dynamic") == 0) {
935 *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
936 } else {
937 pr_err("Unknown threshold type \"%s\"\n", typestr);
938 return -EINVAL;
939 }
940 return 0;
941 }
942
943 static int eswitch_mode_get(const char *typestr,
944 enum devlink_eswitch_mode *p_mode)
945 {
946 if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
947 *p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
948 } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
949 *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
950 } else {
951 pr_err("Unknown eswitch mode \"%s\"\n", typestr);
952 return -EINVAL;
953 }
954 return 0;
955 }
956
957 static int eswitch_inline_mode_get(const char *typestr,
958 enum devlink_eswitch_inline_mode *p_mode)
959 {
960 if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
961 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
962 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
963 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
964 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
965 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
966 } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
967 *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
968 } else {
969 pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
970 return -EINVAL;
971 }
972 return 0;
973 }
974
975 static int dpipe_counters_enable_get(const char *typestr,
976 bool *counters_enable)
977 {
978 if (strcmp(typestr, "enable") == 0) {
979 *counters_enable = 1;
980 } else if (strcmp(typestr, "disable") == 0) {
981 *counters_enable = 0;
982 } else {
983 pr_err("Unknown counter_state \"%s\"\n", typestr);
984 return -EINVAL;
985 }
986 return 0;
987 }
988
989 static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
990 {
991 if (strcmp(typestr, "enable") == 0) {
992 *p_mode = true;
993 } else if (strcmp(typestr, "disable") == 0) {
994 *p_mode = false;
995 } else {
996 pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
997 return -EINVAL;
998 }
999 return 0;
1000 }
1001
1002 static int param_cmode_get(const char *cmodestr,
1003 enum devlink_param_cmode *cmode)
1004 {
1005 if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
1006 *cmode = DEVLINK_PARAM_CMODE_RUNTIME;
1007 } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
1008 *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
1009 } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
1010 *cmode = DEVLINK_PARAM_CMODE_PERMANENT;
1011 } else {
1012 pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
1013 return -EINVAL;
1014 }
1015 return 0;
1016 }
1017
1018 struct dl_args_metadata {
1019 uint32_t o_flag;
1020 char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
1021 };
1022
1023 static const struct dl_args_metadata dl_args_required[] = {
1024 {DL_OPT_PORT_TYPE, "Port type not set."},
1025 {DL_OPT_PORT_COUNT, "Port split count option expected."},
1026 {DL_OPT_SB_POOL, "Pool index option expected."},
1027 {DL_OPT_SB_SIZE, "Pool size option expected."},
1028 {DL_OPT_SB_TYPE, "Pool type option expected."},
1029 {DL_OPT_SB_THTYPE, "Pool threshold type option expected."},
1030 {DL_OPT_SB_TH, "Threshold option expected."},
1031 {DL_OPT_SB_TC, "TC index option expected."},
1032 {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."},
1033 {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."},
1034 {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."},
1035 {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."},
1036 {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."},
1037 {DL_OPT_PARAM_NAME, "Parameter name expected."},
1038 {DL_OPT_PARAM_VALUE, "Value to set expected."},
1039 {DL_OPT_PARAM_CMODE, "Configuration mode expected."},
1040 {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."},
1041 {DL_OPT_REGION_ADDRESS, "Region address value expected."},
1042 {DL_OPT_REGION_LENGTH, "Region length value expected."},
1043 {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."},
1044 };
1045
1046 static int dl_args_finding_required_validate(uint32_t o_required,
1047 uint32_t o_found)
1048 {
1049 uint32_t o_flag;
1050 int i;
1051
1052 for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) {
1053 o_flag = dl_args_required[i].o_flag;
1054 if ((o_required & o_flag) && !(o_found & o_flag)) {
1055 pr_err("%s\n", dl_args_required[i].err_msg);
1056 return -EINVAL;
1057 }
1058 }
1059 return 0;
1060 }
1061
1062 static int dl_argv_parse(struct dl *dl, uint32_t o_required,
1063 uint32_t o_optional)
1064 {
1065 struct dl_opts *opts = &dl->opts;
1066 uint32_t o_all = o_required | o_optional;
1067 uint32_t o_found = 0;
1068 int err;
1069
1070 if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
1071 uint32_t handle_bit;
1072
1073 err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
1074 &opts->port_index, &handle_bit);
1075 if (err)
1076 return err;
1077 o_found |= handle_bit;
1078 } else if (o_required & DL_OPT_HANDLE) {
1079 err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
1080 if (err)
1081 return err;
1082 o_found |= DL_OPT_HANDLE;
1083 } else if (o_required & DL_OPT_HANDLEP) {
1084 err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
1085 &opts->port_index);
1086 if (err)
1087 return err;
1088 o_found |= DL_OPT_HANDLEP;
1089 } else if (o_required & DL_OPT_HANDLE_REGION) {
1090 err = dl_argv_handle_region(dl, &opts->bus_name,
1091 &opts->dev_name,
1092 &opts->region_name);
1093 if (err)
1094 return err;
1095 o_found |= DL_OPT_HANDLE_REGION;
1096 }
1097
1098 while (dl_argc(dl)) {
1099 if (dl_argv_match(dl, "type") &&
1100 (o_all & DL_OPT_PORT_TYPE)) {
1101 const char *typestr;
1102
1103 dl_arg_inc(dl);
1104 err = dl_argv_str(dl, &typestr);
1105 if (err)
1106 return err;
1107 err = port_type_get(typestr, &opts->port_type);
1108 if (err)
1109 return err;
1110 o_found |= DL_OPT_PORT_TYPE;
1111 } else if (dl_argv_match(dl, "count") &&
1112 (o_all & DL_OPT_PORT_COUNT)) {
1113 dl_arg_inc(dl);
1114 err = dl_argv_uint32_t(dl, &opts->port_count);
1115 if (err)
1116 return err;
1117 o_found |= DL_OPT_PORT_COUNT;
1118 } else if (dl_argv_match(dl, "sb") &&
1119 (o_all & DL_OPT_SB)) {
1120 dl_arg_inc(dl);
1121 err = dl_argv_uint32_t(dl, &opts->sb_index);
1122 if (err)
1123 return err;
1124 o_found |= DL_OPT_SB;
1125 } else if (dl_argv_match(dl, "pool") &&
1126 (o_all & DL_OPT_SB_POOL)) {
1127 dl_arg_inc(dl);
1128 err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
1129 if (err)
1130 return err;
1131 o_found |= DL_OPT_SB_POOL;
1132 } else if (dl_argv_match(dl, "size") &&
1133 (o_all & DL_OPT_SB_SIZE)) {
1134 dl_arg_inc(dl);
1135 err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
1136 if (err)
1137 return err;
1138 o_found |= DL_OPT_SB_SIZE;
1139 } else if (dl_argv_match(dl, "type") &&
1140 (o_all & DL_OPT_SB_TYPE)) {
1141 const char *typestr;
1142
1143 dl_arg_inc(dl);
1144 err = dl_argv_str(dl, &typestr);
1145 if (err)
1146 return err;
1147 err = pool_type_get(typestr, &opts->sb_pool_type);
1148 if (err)
1149 return err;
1150 o_found |= DL_OPT_SB_TYPE;
1151 } else if (dl_argv_match(dl, "thtype") &&
1152 (o_all & DL_OPT_SB_THTYPE)) {
1153 const char *typestr;
1154
1155 dl_arg_inc(dl);
1156 err = dl_argv_str(dl, &typestr);
1157 if (err)
1158 return err;
1159 err = threshold_type_get(typestr,
1160 &opts->sb_pool_thtype);
1161 if (err)
1162 return err;
1163 o_found |= DL_OPT_SB_THTYPE;
1164 } else if (dl_argv_match(dl, "th") &&
1165 (o_all & DL_OPT_SB_TH)) {
1166 dl_arg_inc(dl);
1167 err = dl_argv_uint32_t(dl, &opts->sb_threshold);
1168 if (err)
1169 return err;
1170 o_found |= DL_OPT_SB_TH;
1171 } else if (dl_argv_match(dl, "tc") &&
1172 (o_all & DL_OPT_SB_TC)) {
1173 dl_arg_inc(dl);
1174 err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
1175 if (err)
1176 return err;
1177 o_found |= DL_OPT_SB_TC;
1178 } else if (dl_argv_match(dl, "mode") &&
1179 (o_all & DL_OPT_ESWITCH_MODE)) {
1180 const char *typestr;
1181
1182 dl_arg_inc(dl);
1183 err = dl_argv_str(dl, &typestr);
1184 if (err)
1185 return err;
1186 err = eswitch_mode_get(typestr, &opts->eswitch_mode);
1187 if (err)
1188 return err;
1189 o_found |= DL_OPT_ESWITCH_MODE;
1190 } else if (dl_argv_match(dl, "inline-mode") &&
1191 (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
1192 const char *typestr;
1193
1194 dl_arg_inc(dl);
1195 err = dl_argv_str(dl, &typestr);
1196 if (err)
1197 return err;
1198 err = eswitch_inline_mode_get(
1199 typestr, &opts->eswitch_inline_mode);
1200 if (err)
1201 return err;
1202 o_found |= DL_OPT_ESWITCH_INLINE_MODE;
1203 } else if (dl_argv_match(dl, "name") &&
1204 (o_all & DL_OPT_DPIPE_TABLE_NAME)) {
1205 dl_arg_inc(dl);
1206 err = dl_argv_str(dl, &opts->dpipe_table_name);
1207 if (err)
1208 return err;
1209 o_found |= DL_OPT_DPIPE_TABLE_NAME;
1210 } else if (dl_argv_match(dl, "counters") &&
1211 (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
1212 const char *typestr;
1213
1214 dl_arg_inc(dl);
1215 err = dl_argv_str(dl, &typestr);
1216 if (err)
1217 return err;
1218 err = dpipe_counters_enable_get(typestr,
1219 &opts->dpipe_counters_enable);
1220 if (err)
1221 return err;
1222 o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
1223 } else if (dl_argv_match(dl, "encap") &&
1224 (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
1225 const char *typestr;
1226
1227 dl_arg_inc(dl);
1228 err = dl_argv_str(dl, &typestr);
1229 if (err)
1230 return err;
1231 err = eswitch_encap_mode_get(typestr,
1232 &opts->eswitch_encap_mode);
1233 if (err)
1234 return err;
1235 o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
1236 } else if (dl_argv_match(dl, "path") &&
1237 (o_all & DL_OPT_RESOURCE_PATH)) {
1238 dl_arg_inc(dl);
1239 err = dl_argv_str(dl, &opts->resource_path);
1240 if (err)
1241 return err;
1242 o_found |= DL_OPT_RESOURCE_PATH;
1243 } else if (dl_argv_match(dl, "size") &&
1244 (o_all & DL_OPT_RESOURCE_SIZE)) {
1245 dl_arg_inc(dl);
1246 err = dl_argv_uint32_t(dl, &opts->resource_size);
1247 if (err)
1248 return err;
1249 o_found |= DL_OPT_RESOURCE_SIZE;
1250 } else if (dl_argv_match(dl, "name") &&
1251 (o_all & DL_OPT_PARAM_NAME)) {
1252 dl_arg_inc(dl);
1253 err = dl_argv_str(dl, &opts->param_name);
1254 if (err)
1255 return err;
1256 o_found |= DL_OPT_PARAM_NAME;
1257 } else if (dl_argv_match(dl, "value") &&
1258 (o_all & DL_OPT_PARAM_VALUE)) {
1259 dl_arg_inc(dl);
1260 err = dl_argv_str(dl, &opts->param_value);
1261 if (err)
1262 return err;
1263 o_found |= DL_OPT_PARAM_VALUE;
1264 } else if (dl_argv_match(dl, "cmode") &&
1265 (o_all & DL_OPT_PARAM_CMODE)) {
1266 const char *cmodestr;
1267
1268 dl_arg_inc(dl);
1269 err = dl_argv_str(dl, &cmodestr);
1270 if (err)
1271 return err;
1272 err = param_cmode_get(cmodestr, &opts->cmode);
1273 if (err)
1274 return err;
1275 o_found |= DL_OPT_PARAM_CMODE;
1276 } else if (dl_argv_match(dl, "snapshot") &&
1277 (o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
1278 dl_arg_inc(dl);
1279 err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
1280 if (err)
1281 return err;
1282 o_found |= DL_OPT_REGION_SNAPSHOT_ID;
1283 } else if (dl_argv_match(dl, "address") &&
1284 (o_all & DL_OPT_REGION_ADDRESS)) {
1285 dl_arg_inc(dl);
1286 err = dl_argv_uint64_t(dl, &opts->region_address);
1287 if (err)
1288 return err;
1289 o_found |= DL_OPT_REGION_ADDRESS;
1290 } else if (dl_argv_match(dl, "length") &&
1291 (o_all & DL_OPT_REGION_LENGTH)) {
1292 dl_arg_inc(dl);
1293 err = dl_argv_uint64_t(dl, &opts->region_length);
1294 if (err)
1295 return err;
1296 o_found |= DL_OPT_REGION_LENGTH;
1297 } else if (dl_argv_match(dl, "file") &&
1298 (o_all & DL_OPT_FLASH_FILE_NAME)) {
1299 dl_arg_inc(dl);
1300 err = dl_argv_str(dl, &opts->flash_file_name);
1301 if (err)
1302 return err;
1303 o_found |= DL_OPT_FLASH_FILE_NAME;
1304 } else if (dl_argv_match(dl, "component") &&
1305 (o_all & DL_OPT_FLASH_COMPONENT)) {
1306 dl_arg_inc(dl);
1307 err = dl_argv_str(dl, &opts->flash_component);
1308 if (err)
1309 return err;
1310 o_found |= DL_OPT_FLASH_COMPONENT;
1311 } else if (dl_argv_match(dl, "reporter") &&
1312 (o_all & DL_OPT_HEALTH_REPORTER_NAME)) {
1313 dl_arg_inc(dl);
1314 err = dl_argv_str(dl, &opts->reporter_name);
1315 if (err)
1316 return err;
1317 o_found |= DL_OPT_HEALTH_REPORTER_NAME;
1318 } else if (dl_argv_match(dl, "grace_period") &&
1319 (o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) {
1320 dl_arg_inc(dl);
1321 err = dl_argv_uint64_t(dl,
1322 &opts->reporter_graceful_period);
1323 if (err)
1324 return err;
1325 o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD;
1326 } else if (dl_argv_match(dl, "auto_recover") &&
1327 (o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) {
1328 dl_arg_inc(dl);
1329 err = dl_argv_bool(dl, &opts->reporter_auto_recover);
1330 if (err)
1331 return err;
1332 o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER;
1333 } else {
1334 pr_err("Unknown option \"%s\"\n", dl_argv(dl));
1335 return -EINVAL;
1336 }
1337 }
1338
1339 opts->present = o_found;
1340
1341 if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
1342 opts->sb_index = 0;
1343 opts->present |= DL_OPT_SB;
1344 }
1345
1346 return dl_args_finding_required_validate(o_required, o_found);
1347 }
1348
1349 static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
1350 {
1351 struct dl_opts *opts = &dl->opts;
1352
1353 if (opts->present & DL_OPT_HANDLE) {
1354 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1355 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1356 } else if (opts->present & DL_OPT_HANDLEP) {
1357 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1358 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1359 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
1360 opts->port_index);
1361 } else if (opts->present & DL_OPT_HANDLE_REGION) {
1362 mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
1363 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
1364 mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME,
1365 opts->region_name);
1366 }
1367 if (opts->present & DL_OPT_PORT_TYPE)
1368 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
1369 opts->port_type);
1370 if (opts->present & DL_OPT_PORT_COUNT)
1371 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
1372 opts->port_count);
1373 if (opts->present & DL_OPT_SB)
1374 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
1375 opts->sb_index);
1376 if (opts->present & DL_OPT_SB_POOL)
1377 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
1378 opts->sb_pool_index);
1379 if (opts->present & DL_OPT_SB_SIZE)
1380 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
1381 opts->sb_pool_size);
1382 if (opts->present & DL_OPT_SB_TYPE)
1383 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
1384 opts->sb_pool_type);
1385 if (opts->present & DL_OPT_SB_THTYPE)
1386 mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
1387 opts->sb_pool_thtype);
1388 if (opts->present & DL_OPT_SB_TH)
1389 mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
1390 opts->sb_threshold);
1391 if (opts->present & DL_OPT_SB_TC)
1392 mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
1393 opts->sb_tc_index);
1394 if (opts->present & DL_OPT_ESWITCH_MODE)
1395 mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
1396 opts->eswitch_mode);
1397 if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
1398 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
1399 opts->eswitch_inline_mode);
1400 if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
1401 mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
1402 opts->dpipe_table_name);
1403 if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
1404 mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
1405 opts->dpipe_counters_enable);
1406 if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
1407 mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
1408 opts->eswitch_encap_mode);
1409 if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
1410 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
1411 opts->resource_id);
1412 if (opts->present & DL_OPT_RESOURCE_SIZE)
1413 mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
1414 opts->resource_size);
1415 if (opts->present & DL_OPT_PARAM_NAME)
1416 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
1417 opts->param_name);
1418 if (opts->present & DL_OPT_PARAM_CMODE)
1419 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
1420 opts->cmode);
1421 if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
1422 mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
1423 opts->region_snapshot_id);
1424 if (opts->present & DL_OPT_REGION_ADDRESS)
1425 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
1426 opts->region_address);
1427 if (opts->present & DL_OPT_REGION_LENGTH)
1428 mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
1429 opts->region_length);
1430 if (opts->present & DL_OPT_FLASH_FILE_NAME)
1431 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME,
1432 opts->flash_file_name);
1433 if (opts->present & DL_OPT_FLASH_COMPONENT)
1434 mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT,
1435 opts->flash_component);
1436 if (opts->present & DL_OPT_HEALTH_REPORTER_NAME)
1437 mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
1438 opts->reporter_name);
1439 if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)
1440 mnl_attr_put_u64(nlh,
1441 DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
1442 opts->reporter_graceful_period);
1443 if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)
1444 mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
1445 opts->reporter_auto_recover);
1446
1447 }
1448
1449 static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
1450 uint32_t o_required, uint32_t o_optional)
1451 {
1452 int err;
1453
1454 err = dl_argv_parse(dl, o_required, o_optional);
1455 if (err)
1456 return err;
1457 dl_opts_put(nlh, dl);
1458 return 0;
1459 }
1460
1461 static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
1462 {
1463 struct dl_opts *opts = &dl->opts;
1464 struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
1465 struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
1466 struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
1467 struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
1468
1469 if (opts->present & DL_OPT_HANDLE &&
1470 attr_bus_name && attr_dev_name) {
1471 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1472 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1473
1474 if (strcmp(bus_name, opts->bus_name) != 0 ||
1475 strcmp(dev_name, opts->dev_name) != 0)
1476 return false;
1477 }
1478 if (opts->present & DL_OPT_HANDLEP &&
1479 attr_bus_name && attr_dev_name && attr_port_index) {
1480 const char *bus_name = mnl_attr_get_str(attr_bus_name);
1481 const char *dev_name = mnl_attr_get_str(attr_dev_name);
1482 uint32_t port_index = mnl_attr_get_u32(attr_port_index);
1483
1484 if (strcmp(bus_name, opts->bus_name) != 0 ||
1485 strcmp(dev_name, opts->dev_name) != 0 ||
1486 port_index != opts->port_index)
1487 return false;
1488 }
1489 if (opts->present & DL_OPT_SB && attr_sb_index) {
1490 uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
1491
1492 if (sb_index != opts->sb_index)
1493 return false;
1494 }
1495 return true;
1496 }
1497
1498 static void cmd_dev_help(void)
1499 {
1500 pr_err("Usage: devlink dev show [ DEV ]\n");
1501 pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
1502 pr_err(" [ inline-mode { none | link | network | transport } ]\n");
1503 pr_err(" [ encap { disable | enable } ]\n");
1504 pr_err(" devlink dev eswitch show DEV\n");
1505 pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
1506 pr_err(" devlink dev param show [DEV name PARAMETER]\n");
1507 pr_err(" devlink dev reload DEV\n");
1508 pr_err(" devlink dev info [ DEV ]\n");
1509 pr_err(" devlink dev flash DEV file PATH [ component NAME ]\n");
1510 }
1511
1512 static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
1513 const char *dev_name)
1514 {
1515 if (!dl->arr_last.present)
1516 return false;
1517 return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
1518 strcmp(dl->arr_last.dev_name, dev_name) == 0;
1519 }
1520
1521 static void arr_last_handle_set(struct dl *dl, const char *bus_name,
1522 const char *dev_name)
1523 {
1524 dl->arr_last.present = true;
1525 free(dl->arr_last.dev_name);
1526 free(dl->arr_last.bus_name);
1527 dl->arr_last.bus_name = strdup(bus_name);
1528 dl->arr_last.dev_name = strdup(dev_name);
1529 }
1530
1531 static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
1532 const char *dev_name)
1533 {
1534 return !cmp_arr_last_handle(dl, bus_name, dev_name);
1535 }
1536
1537 static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
1538 const char *dev_name)
1539 {
1540 return dl->arr_last.present &&
1541 !cmp_arr_last_handle(dl, bus_name, dev_name);
1542 }
1543
1544 static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
1545 bool content, bool array)
1546 {
1547 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1548 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1549 char buf[64];
1550
1551 sprintf(buf, "%s/%s", bus_name, dev_name);
1552
1553 if (dl->json_output) {
1554 if (array) {
1555 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1556 jsonw_end_array(dl->jw);
1557 if (should_arr_last_handle_start(dl, bus_name,
1558 dev_name)) {
1559 jsonw_name(dl->jw, buf);
1560 jsonw_start_array(dl->jw);
1561 jsonw_start_object(dl->jw);
1562 arr_last_handle_set(dl, bus_name, dev_name);
1563 } else {
1564 jsonw_start_object(dl->jw);
1565 }
1566 } else {
1567 jsonw_name(dl->jw, buf);
1568 jsonw_start_object(dl->jw);
1569 }
1570 } else {
1571 if (array) {
1572 if (should_arr_last_handle_end(dl, bus_name, dev_name))
1573 __pr_out_indent_dec();
1574 if (should_arr_last_handle_start(dl, bus_name,
1575 dev_name)) {
1576 pr_out("%s%s", buf, content ? ":" : "");
1577 __pr_out_newline();
1578 __pr_out_indent_inc();
1579 arr_last_handle_set(dl, bus_name, dev_name);
1580 }
1581 } else {
1582 pr_out("%s%s", buf, content ? ":" : "");
1583 }
1584 }
1585 }
1586
1587 static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
1588 {
1589 __pr_out_handle_start(dl, tb, true, true);
1590 }
1591
1592 static void pr_out_handle_end(struct dl *dl)
1593 {
1594 if (dl->json_output)
1595 jsonw_end_object(dl->jw);
1596 else
1597 __pr_out_newline();
1598 }
1599
1600 static void pr_out_handle(struct dl *dl, struct nlattr **tb)
1601 {
1602 __pr_out_handle_start(dl, tb, false, false);
1603 pr_out_handle_end(dl);
1604 }
1605
1606 static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
1607 const char *dev_name, uint32_t port_index)
1608 {
1609 return cmp_arr_last_handle(dl, bus_name, dev_name) &&
1610 dl->arr_last.port_index == port_index;
1611 }
1612
1613 static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
1614 const char *dev_name, uint32_t port_index)
1615 {
1616 arr_last_handle_set(dl, bus_name, dev_name);
1617 dl->arr_last.port_index = port_index;
1618 }
1619
1620 static bool should_arr_last_port_handle_start(struct dl *dl,
1621 const char *bus_name,
1622 const char *dev_name,
1623 uint32_t port_index)
1624 {
1625 return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1626 }
1627
1628 static bool should_arr_last_port_handle_end(struct dl *dl,
1629 const char *bus_name,
1630 const char *dev_name,
1631 uint32_t port_index)
1632 {
1633 return dl->arr_last.present &&
1634 !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
1635 }
1636
1637 static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
1638 const char *dev_name,
1639 uint32_t port_index, bool try_nice,
1640 bool array)
1641 {
1642 static char buf[64];
1643 char *ifname = NULL;
1644
1645 if (dl->no_nice_names || !try_nice ||
1646 ifname_map_rev_lookup(dl, bus_name, dev_name,
1647 port_index, &ifname) != 0)
1648 sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
1649 else
1650 sprintf(buf, "%s", ifname);
1651
1652 if (dl->json_output) {
1653 if (array) {
1654 if (should_arr_last_port_handle_end(dl, bus_name,
1655 dev_name,
1656 port_index))
1657 jsonw_end_array(dl->jw);
1658 if (should_arr_last_port_handle_start(dl, bus_name,
1659 dev_name,
1660 port_index)) {
1661 jsonw_name(dl->jw, buf);
1662 jsonw_start_array(dl->jw);
1663 jsonw_start_object(dl->jw);
1664 arr_last_port_handle_set(dl, bus_name, dev_name,
1665 port_index);
1666 } else {
1667 jsonw_start_object(dl->jw);
1668 }
1669 } else {
1670 jsonw_name(dl->jw, buf);
1671 jsonw_start_object(dl->jw);
1672 }
1673 } else {
1674 pr_out("%s:", buf);
1675 }
1676 }
1677
1678 static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
1679 {
1680 const char *bus_name;
1681 const char *dev_name;
1682 uint32_t port_index;
1683
1684 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1685 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1686 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1687 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
1688 }
1689
1690 static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
1691 {
1692 const char *bus_name;
1693 const char *dev_name;
1694 uint32_t port_index;
1695
1696 bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
1697 dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
1698 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
1699 __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
1700 }
1701
1702 static void pr_out_port_handle_end(struct dl *dl)
1703 {
1704 if (dl->json_output)
1705 jsonw_end_object(dl->jw);
1706 else
1707 pr_out("\n");
1708 }
1709
1710
1711 static void pr_out_str(struct dl *dl, const char *name, const char *val)
1712 {
1713 if (dl->json_output) {
1714 jsonw_string_field(dl->jw, name, val);
1715 } else {
1716 if (g_indent_newline)
1717 pr_out("%s %s", name, val);
1718 else
1719 pr_out(" %s %s", name, val);
1720 }
1721 }
1722
1723 static void pr_out_bool(struct dl *dl, const char *name, bool val)
1724 {
1725 if (dl->json_output)
1726 jsonw_bool_field(dl->jw, name, val);
1727 else
1728 pr_out_str(dl, name, val ? "true" : "false");
1729 }
1730
1731 static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
1732 {
1733 if (dl->json_output) {
1734 jsonw_uint_field(dl->jw, name, val);
1735 } else {
1736 if (g_indent_newline)
1737 pr_out("%s %u", name, val);
1738 else
1739 pr_out(" %s %u", name, val);
1740 }
1741 }
1742
1743 static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
1744 {
1745 if (val == (uint64_t) -1)
1746 return pr_out_str(dl, name, "unlimited");
1747
1748 if (dl->json_output) {
1749 jsonw_u64_field(dl->jw, name, val);
1750 } else {
1751 if (g_indent_newline)
1752 pr_out("%s %"PRIu64, name, val);
1753 else
1754 pr_out(" %s %"PRIu64, name, val);
1755 }
1756 }
1757
1758 static void pr_out_bool_value(struct dl *dl, bool value)
1759 {
1760 if (dl->json_output)
1761 jsonw_bool(dl->jw, value);
1762 else
1763 pr_out(" %s", value ? "true" : "false");
1764 }
1765
1766 static void pr_out_uint_value(struct dl *dl, unsigned int value)
1767 {
1768 if (dl->json_output)
1769 jsonw_uint(dl->jw, value);
1770 else
1771 pr_out(" %u", value);
1772 }
1773
1774 static void pr_out_uint64_value(struct dl *dl, uint64_t value)
1775 {
1776 if (dl->json_output)
1777 jsonw_u64(dl->jw, value);
1778 else
1779 pr_out(" %"PRIu64, value);
1780 }
1781
1782 static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
1783 {
1784 int i = 1;
1785
1786 if (dl->json_output)
1787 jsonw_start_array(dl->jw);
1788 else
1789 pr_out("\n");
1790
1791 while (i < len) {
1792 if (dl->json_output) {
1793 jsonw_printf(dl->jw, "%d", data[i]);
1794 } else {
1795 pr_out(" %02x", data[i]);
1796 if (!(i % 16))
1797 pr_out("\n");
1798 }
1799 i++;
1800 }
1801 if (dl->json_output)
1802 jsonw_end_array(dl->jw);
1803 else if ((i - 1) % 16)
1804 pr_out("\n");
1805 }
1806
1807 static void pr_out_str_value(struct dl *dl, const char *value)
1808 {
1809 if (dl->json_output)
1810 jsonw_string(dl->jw, value);
1811 else
1812 pr_out(" %s", value);
1813 }
1814
1815 static void pr_out_name(struct dl *dl, const char *name)
1816 {
1817 if (dl->json_output)
1818 jsonw_name(dl->jw, name);
1819 else
1820 pr_out(" %s:", name);
1821 }
1822
1823 static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
1824 {
1825 if (dl->json_output) {
1826 jsonw_name(dl->jw, "address");
1827 jsonw_uint(dl->jw, addr);
1828 jsonw_name(dl->jw, "data");
1829 jsonw_start_array(dl->jw);
1830 }
1831 }
1832
1833 static void pr_out_region_chunk_end(struct dl *dl)
1834 {
1835 if (dl->json_output)
1836 jsonw_end_array(dl->jw);
1837 }
1838
1839 static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
1840 uint64_t addr)
1841 {
1842 static uint64_t align_val;
1843 uint32_t i = 0;
1844
1845 pr_out_region_chunk_start(dl, addr);
1846 while (i < len) {
1847 if (!dl->json_output)
1848 if (!(align_val % 16))
1849 pr_out("%s%016"PRIx64" ",
1850 align_val ? "\n" : "",
1851 addr);
1852
1853 align_val++;
1854
1855 if (dl->json_output)
1856 jsonw_printf(dl->jw, "%d", data[i]);
1857 else
1858 pr_out("%02x ", data[i]);
1859
1860 addr++;
1861 i++;
1862 }
1863 pr_out_region_chunk_end(dl);
1864 }
1865
1866 static void pr_out_dev(struct dl *dl, struct nlattr **tb)
1867 {
1868 pr_out_handle(dl, tb);
1869 }
1870
1871 static void pr_out_section_start(struct dl *dl, const char *name)
1872 {
1873 if (dl->json_output) {
1874 jsonw_start_object(dl->jw);
1875 jsonw_name(dl->jw, name);
1876 jsonw_start_object(dl->jw);
1877 }
1878 }
1879
1880 static void pr_out_section_end(struct dl *dl)
1881 {
1882 if (dl->json_output) {
1883 if (dl->arr_last.present)
1884 jsonw_end_array(dl->jw);
1885 jsonw_end_object(dl->jw);
1886 jsonw_end_object(dl->jw);
1887 }
1888 }
1889
1890 static void pr_out_array_start(struct dl *dl, const char *name)
1891 {
1892 if (dl->json_output) {
1893 jsonw_name(dl->jw, name);
1894 jsonw_start_array(dl->jw);
1895 } else {
1896 __pr_out_indent_inc();
1897 __pr_out_newline();
1898 pr_out("%s:", name);
1899 __pr_out_indent_inc();
1900 __pr_out_newline();
1901 }
1902 }
1903
1904 static void pr_out_array_end(struct dl *dl)
1905 {
1906 if (dl->json_output) {
1907 jsonw_end_array(dl->jw);
1908 } else {
1909 __pr_out_indent_dec();
1910 __pr_out_indent_dec();
1911 }
1912 }
1913
1914 static void pr_out_object_start(struct dl *dl, const char *name)
1915 {
1916 if (dl->json_output) {
1917 jsonw_name(dl->jw, name);
1918 jsonw_start_object(dl->jw);
1919 } else {
1920 __pr_out_indent_inc();
1921 __pr_out_newline();
1922 pr_out("%s:", name);
1923 __pr_out_indent_inc();
1924 __pr_out_newline();
1925 }
1926 }
1927
1928 static void pr_out_object_end(struct dl *dl)
1929 {
1930 if (dl->json_output) {
1931 jsonw_end_object(dl->jw);
1932 } else {
1933 __pr_out_indent_dec();
1934 __pr_out_indent_dec();
1935 }
1936 }
1937
1938 static void pr_out_entry_start(struct dl *dl)
1939 {
1940 if (dl->json_output)
1941 jsonw_start_object(dl->jw);
1942 }
1943
1944 static void pr_out_entry_end(struct dl *dl)
1945 {
1946 if (dl->json_output)
1947 jsonw_end_object(dl->jw);
1948 else
1949 __pr_out_newline();
1950 }
1951
1952 static const char *param_cmode_name(uint8_t cmode)
1953 {
1954 switch (cmode) {
1955 case DEVLINK_PARAM_CMODE_RUNTIME:
1956 return PARAM_CMODE_RUNTIME_STR;
1957 case DEVLINK_PARAM_CMODE_DRIVERINIT:
1958 return PARAM_CMODE_DRIVERINIT_STR;
1959 case DEVLINK_PARAM_CMODE_PERMANENT:
1960 return PARAM_CMODE_PERMANENT_STR;
1961 default: return "<unknown type>";
1962 }
1963 }
1964
1965 static const char *eswitch_mode_name(uint32_t mode)
1966 {
1967 switch (mode) {
1968 case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
1969 case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
1970 default: return "<unknown mode>";
1971 }
1972 }
1973
1974 static const char *eswitch_inline_mode_name(uint32_t mode)
1975 {
1976 switch (mode) {
1977 case DEVLINK_ESWITCH_INLINE_MODE_NONE:
1978 return ESWITCH_INLINE_MODE_NONE;
1979 case DEVLINK_ESWITCH_INLINE_MODE_LINK:
1980 return ESWITCH_INLINE_MODE_LINK;
1981 case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
1982 return ESWITCH_INLINE_MODE_NETWORK;
1983 case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
1984 return ESWITCH_INLINE_MODE_TRANSPORT;
1985 default:
1986 return "<unknown mode>";
1987 }
1988 }
1989
1990 static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
1991 {
1992 __pr_out_handle_start(dl, tb, true, false);
1993
1994 if (tb[DEVLINK_ATTR_ESWITCH_MODE])
1995 pr_out_str(dl, "mode",
1996 eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
1997
1998 if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
1999 pr_out_str(dl, "inline-mode",
2000 eswitch_inline_mode_name(mnl_attr_get_u8(
2001 tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
2002
2003 if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
2004 bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
2005
2006 pr_out_str(dl, "encap", encap_mode ? "enable" : "disable");
2007 }
2008
2009 pr_out_handle_end(dl);
2010 }
2011
2012 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
2013 {
2014 struct dl *dl = data;
2015 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2016 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2017
2018 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2019 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2020 return MNL_CB_ERROR;
2021 pr_out_eswitch(dl, tb);
2022 return MNL_CB_OK;
2023 }
2024
2025 static int cmd_dev_eswitch_show(struct dl *dl)
2026 {
2027 struct nlmsghdr *nlh;
2028 int err;
2029
2030 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
2031 NLM_F_REQUEST | NLM_F_ACK);
2032
2033 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2034 if (err)
2035 return err;
2036
2037 pr_out_section_start(dl, "dev");
2038 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
2039 pr_out_section_end(dl);
2040 return err;
2041 }
2042
2043 static int cmd_dev_eswitch_set(struct dl *dl)
2044 {
2045 struct nlmsghdr *nlh;
2046 int err;
2047
2048 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
2049 NLM_F_REQUEST | NLM_F_ACK);
2050
2051 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
2052 DL_OPT_ESWITCH_MODE |
2053 DL_OPT_ESWITCH_INLINE_MODE |
2054 DL_OPT_ESWITCH_ENCAP_MODE);
2055
2056 if (err)
2057 return err;
2058
2059 if (dl->opts.present == 1) {
2060 pr_err("Need to set at least one option\n");
2061 return -ENOENT;
2062 }
2063
2064 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2065 }
2066
2067 static int cmd_dev_eswitch(struct dl *dl)
2068 {
2069 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2070 cmd_dev_help();
2071 return 0;
2072 } else if (dl_argv_match(dl, "set")) {
2073 dl_arg_inc(dl);
2074 return cmd_dev_eswitch_set(dl);
2075 } else if (dl_argv_match(dl, "show")) {
2076 dl_arg_inc(dl);
2077 return cmd_dev_eswitch_show(dl);
2078 }
2079 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2080 return -ENOENT;
2081 }
2082
2083 struct param_val_conv {
2084 const char *name;
2085 const char *vstr;
2086 uint32_t vuint;
2087 };
2088
2089 static bool param_val_conv_exists(const struct param_val_conv *param_val_conv,
2090 uint32_t len, const char *name)
2091 {
2092 uint32_t i;
2093
2094 for (i = 0; i < len; i++)
2095 if (!strcmp(param_val_conv[i].name, name))
2096 return true;
2097
2098 return false;
2099 }
2100
2101 static int
2102 param_val_conv_uint_get(const struct param_val_conv *param_val_conv,
2103 uint32_t len, const char *name, const char *vstr,
2104 uint32_t *vuint)
2105 {
2106 uint32_t i;
2107
2108 for (i = 0; i < len; i++)
2109 if (!strcmp(param_val_conv[i].name, name) &&
2110 !strcmp(param_val_conv[i].vstr, vstr)) {
2111 *vuint = param_val_conv[i].vuint;
2112 return 0;
2113 }
2114
2115 return -ENOENT;
2116 }
2117
2118 static int
2119 param_val_conv_str_get(const struct param_val_conv *param_val_conv,
2120 uint32_t len, const char *name, uint32_t vuint,
2121 const char **vstr)
2122 {
2123 uint32_t i;
2124
2125 for (i = 0; i < len; i++)
2126 if (!strcmp(param_val_conv[i].name, name) &&
2127 param_val_conv[i].vuint == vuint) {
2128 *vstr = param_val_conv[i].vstr;
2129 return 0;
2130 }
2131
2132 return -ENOENT;
2133 }
2134
2135 static const struct param_val_conv param_val_conv[] = {
2136 {
2137 .name = "fw_load_policy",
2138 .vstr = "driver",
2139 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
2140 },
2141 {
2142 .name = "fw_load_policy",
2143 .vstr = "flash",
2144 .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
2145 },
2146 };
2147
2148 #define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv)
2149
2150 static void pr_out_param_value(struct dl *dl, const char *nla_name,
2151 int nla_type, struct nlattr *nl)
2152 {
2153 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2154 struct nlattr *val_attr;
2155 const char *vstr;
2156 bool conv_exists;
2157 int err;
2158
2159 err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
2160 if (err != MNL_CB_OK)
2161 return;
2162
2163 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2164 (nla_type != MNL_TYPE_FLAG &&
2165 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2166 return;
2167
2168 pr_out_str(dl, "cmode",
2169 param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
2170 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2171
2172 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2173 nla_name);
2174
2175 switch (nla_type) {
2176 case MNL_TYPE_U8:
2177 if (conv_exists) {
2178 err = param_val_conv_str_get(param_val_conv,
2179 PARAM_VAL_CONV_LEN,
2180 nla_name,
2181 mnl_attr_get_u8(val_attr),
2182 &vstr);
2183 if (err)
2184 return;
2185 pr_out_str(dl, "value", vstr);
2186 } else {
2187 pr_out_uint(dl, "value", mnl_attr_get_u8(val_attr));
2188 }
2189 break;
2190 case MNL_TYPE_U16:
2191 if (conv_exists) {
2192 err = param_val_conv_str_get(param_val_conv,
2193 PARAM_VAL_CONV_LEN,
2194 nla_name,
2195 mnl_attr_get_u16(val_attr),
2196 &vstr);
2197 if (err)
2198 return;
2199 pr_out_str(dl, "value", vstr);
2200 } else {
2201 pr_out_uint(dl, "value", mnl_attr_get_u16(val_attr));
2202 }
2203 break;
2204 case MNL_TYPE_U32:
2205 if (conv_exists) {
2206 err = param_val_conv_str_get(param_val_conv,
2207 PARAM_VAL_CONV_LEN,
2208 nla_name,
2209 mnl_attr_get_u32(val_attr),
2210 &vstr);
2211 if (err)
2212 return;
2213 pr_out_str(dl, "value", vstr);
2214 } else {
2215 pr_out_uint(dl, "value", mnl_attr_get_u32(val_attr));
2216 }
2217 break;
2218 case MNL_TYPE_STRING:
2219 pr_out_str(dl, "value", mnl_attr_get_str(val_attr));
2220 break;
2221 case MNL_TYPE_FLAG:
2222 pr_out_bool(dl, "value", val_attr ? true : false);
2223 break;
2224 }
2225 }
2226
2227 static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
2228 {
2229 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2230 struct nlattr *param_value_attr;
2231 const char *nla_name;
2232 int nla_type;
2233 int err;
2234
2235 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2236 if (err != MNL_CB_OK)
2237 return;
2238 if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
2239 !nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2240 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2241 return;
2242
2243 if (array)
2244 pr_out_handle_start_arr(dl, tb);
2245 else
2246 __pr_out_handle_start(dl, tb, true, false);
2247
2248 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2249
2250 nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]);
2251 pr_out_str(dl, "name", nla_name);
2252
2253 if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
2254 pr_out_str(dl, "type", "driver-specific");
2255 else
2256 pr_out_str(dl, "type", "generic");
2257
2258 pr_out_array_start(dl, "values");
2259 mnl_attr_for_each_nested(param_value_attr,
2260 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2261 pr_out_entry_start(dl);
2262 pr_out_param_value(dl, nla_name, nla_type, param_value_attr);
2263 pr_out_entry_end(dl);
2264 }
2265 pr_out_array_end(dl);
2266 pr_out_handle_end(dl);
2267 }
2268
2269 static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
2270 {
2271 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2272 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2273 struct dl *dl = data;
2274
2275 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2276 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2277 !tb[DEVLINK_ATTR_PARAM])
2278 return MNL_CB_ERROR;
2279 pr_out_param(dl, tb, true);
2280 return MNL_CB_OK;
2281 }
2282
2283 struct param_ctx {
2284 struct dl *dl;
2285 int nla_type;
2286 union {
2287 uint8_t vu8;
2288 uint16_t vu16;
2289 uint32_t vu32;
2290 const char *vstr;
2291 bool vbool;
2292 } value;
2293 };
2294
2295 static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
2296 {
2297 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2298 struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
2299 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2300 struct nlattr *param_value_attr;
2301 enum devlink_param_cmode cmode;
2302 struct param_ctx *ctx = data;
2303 struct dl *dl = ctx->dl;
2304 int nla_type;
2305 int err;
2306
2307 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2308 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2309 !tb[DEVLINK_ATTR_PARAM])
2310 return MNL_CB_ERROR;
2311
2312 err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
2313 if (err != MNL_CB_OK)
2314 return MNL_CB_ERROR;
2315
2316 if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
2317 !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
2318 return MNL_CB_ERROR;
2319
2320 nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
2321 mnl_attr_for_each_nested(param_value_attr,
2322 nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
2323 struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
2324 struct nlattr *val_attr;
2325
2326 err = mnl_attr_parse_nested(param_value_attr,
2327 attr_cb, nla_value);
2328 if (err != MNL_CB_OK)
2329 return MNL_CB_ERROR;
2330
2331 if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
2332 (nla_type != MNL_TYPE_FLAG &&
2333 !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
2334 return MNL_CB_ERROR;
2335
2336 cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
2337 if (cmode == dl->opts.cmode) {
2338 val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
2339 switch (nla_type) {
2340 case MNL_TYPE_U8:
2341 ctx->value.vu8 = mnl_attr_get_u8(val_attr);
2342 break;
2343 case MNL_TYPE_U16:
2344 ctx->value.vu16 = mnl_attr_get_u16(val_attr);
2345 break;
2346 case MNL_TYPE_U32:
2347 ctx->value.vu32 = mnl_attr_get_u32(val_attr);
2348 break;
2349 case MNL_TYPE_STRING:
2350 ctx->value.vstr = mnl_attr_get_str(val_attr);
2351 break;
2352 case MNL_TYPE_FLAG:
2353 ctx->value.vbool = val_attr ? true : false;
2354 break;
2355 }
2356 break;
2357 }
2358 }
2359 ctx->nla_type = nla_type;
2360 return MNL_CB_OK;
2361 }
2362
2363 static int cmd_dev_param_set(struct dl *dl)
2364 {
2365 struct param_ctx ctx = {};
2366 struct nlmsghdr *nlh;
2367 bool conv_exists;
2368 uint32_t val_u32;
2369 uint16_t val_u16;
2370 uint8_t val_u8;
2371 bool val_bool;
2372 int err;
2373
2374 err = dl_argv_parse(dl, DL_OPT_HANDLE |
2375 DL_OPT_PARAM_NAME |
2376 DL_OPT_PARAM_VALUE |
2377 DL_OPT_PARAM_CMODE, 0);
2378 if (err)
2379 return err;
2380
2381 /* Get value type */
2382 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
2383 NLM_F_REQUEST | NLM_F_ACK);
2384 dl_opts_put(nlh, dl);
2385
2386 ctx.dl = dl;
2387 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
2388 if (err)
2389 return err;
2390
2391 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
2392 NLM_F_REQUEST | NLM_F_ACK);
2393 dl_opts_put(nlh, dl);
2394
2395 conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
2396 dl->opts.param_name);
2397
2398 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
2399 switch (ctx.nla_type) {
2400 case MNL_TYPE_U8:
2401 if (conv_exists) {
2402 err = param_val_conv_uint_get(param_val_conv,
2403 PARAM_VAL_CONV_LEN,
2404 dl->opts.param_name,
2405 dl->opts.param_value,
2406 &val_u32);
2407 val_u8 = val_u32;
2408 } else {
2409 err = strtouint8_t(dl->opts.param_value, &val_u8);
2410 }
2411 if (err)
2412 goto err_param_value_parse;
2413 if (val_u8 == ctx.value.vu8)
2414 return 0;
2415 mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
2416 break;
2417 case MNL_TYPE_U16:
2418 if (conv_exists) {
2419 err = param_val_conv_uint_get(param_val_conv,
2420 PARAM_VAL_CONV_LEN,
2421 dl->opts.param_name,
2422 dl->opts.param_value,
2423 &val_u32);
2424 val_u16 = val_u32;
2425 } else {
2426 err = strtouint16_t(dl->opts.param_value, &val_u16);
2427 }
2428 if (err)
2429 goto err_param_value_parse;
2430 if (val_u16 == ctx.value.vu16)
2431 return 0;
2432 mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
2433 break;
2434 case MNL_TYPE_U32:
2435 if (conv_exists)
2436 err = param_val_conv_uint_get(param_val_conv,
2437 PARAM_VAL_CONV_LEN,
2438 dl->opts.param_name,
2439 dl->opts.param_value,
2440 &val_u32);
2441 else
2442 err = strtouint32_t(dl->opts.param_value, &val_u32);
2443 if (err)
2444 goto err_param_value_parse;
2445 if (val_u32 == ctx.value.vu32)
2446 return 0;
2447 mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
2448 break;
2449 case MNL_TYPE_FLAG:
2450 err = strtobool(dl->opts.param_value, &val_bool);
2451 if (err)
2452 goto err_param_value_parse;
2453 if (val_bool == ctx.value.vbool)
2454 return 0;
2455 if (val_bool)
2456 mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2457 0, NULL);
2458 break;
2459 case MNL_TYPE_STRING:
2460 mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
2461 dl->opts.param_value);
2462 if (!strcmp(dl->opts.param_value, ctx.value.vstr))
2463 return 0;
2464 break;
2465 default:
2466 printf("Value type not supported\n");
2467 return -ENOTSUP;
2468 }
2469 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2470
2471 err_param_value_parse:
2472 pr_err("Value \"%s\" is not a number or not within range\n",
2473 dl->opts.param_value);
2474 return err;
2475 }
2476
2477 static int cmd_dev_param_show(struct dl *dl)
2478 {
2479 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2480 struct nlmsghdr *nlh;
2481 int err;
2482
2483 if (dl_argc(dl) == 0)
2484 flags |= NLM_F_DUMP;
2485
2486 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
2487
2488 if (dl_argc(dl) > 0) {
2489 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
2490 DL_OPT_PARAM_NAME, 0);
2491 if (err)
2492 return err;
2493 }
2494
2495 pr_out_section_start(dl, "param");
2496 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
2497 pr_out_section_end(dl);
2498 return err;
2499 }
2500
2501 static int cmd_dev_param(struct dl *dl)
2502 {
2503 if (dl_argv_match(dl, "help")) {
2504 cmd_dev_help();
2505 return 0;
2506 } else if (dl_argv_match(dl, "show") ||
2507 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2508 dl_arg_inc(dl);
2509 return cmd_dev_param_show(dl);
2510 } else if (dl_argv_match(dl, "set")) {
2511 dl_arg_inc(dl);
2512 return cmd_dev_param_set(dl);
2513 }
2514 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2515 return -ENOENT;
2516 }
2517 static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
2518 {
2519 struct dl *dl = data;
2520 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2521 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2522
2523 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2524 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2525 return MNL_CB_ERROR;
2526 pr_out_dev(dl, tb);
2527 return MNL_CB_OK;
2528 }
2529
2530 static int cmd_dev_show(struct dl *dl)
2531 {
2532 struct nlmsghdr *nlh;
2533 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2534 int err;
2535
2536 if (dl_argc(dl) == 0)
2537 flags |= NLM_F_DUMP;
2538
2539 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
2540
2541 if (dl_argc(dl) > 0) {
2542 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2543 if (err)
2544 return err;
2545 }
2546
2547 pr_out_section_start(dl, "dev");
2548 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
2549 pr_out_section_end(dl);
2550 return err;
2551 }
2552
2553 static void cmd_dev_reload_help(void)
2554 {
2555 pr_err("Usage: devlink dev reload [ DEV ]\n");
2556 }
2557
2558 static int cmd_dev_reload(struct dl *dl)
2559 {
2560 struct nlmsghdr *nlh;
2561 int err;
2562
2563 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2564 cmd_dev_reload_help();
2565 return 0;
2566 }
2567
2568 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
2569 NLM_F_REQUEST | NLM_F_ACK);
2570
2571 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2572 if (err)
2573 return err;
2574
2575 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2576 }
2577
2578 static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh,
2579 const char *name, int type)
2580 {
2581 struct nlattr *version;
2582
2583 mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) {
2584 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2585 const char *ver_value;
2586 const char *ver_name;
2587 int err;
2588
2589 if (mnl_attr_get_type(version) != type)
2590 continue;
2591
2592 err = mnl_attr_parse_nested(version, attr_cb, tb);
2593 if (err != MNL_CB_OK)
2594 continue;
2595
2596 if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] ||
2597 !tb[DEVLINK_ATTR_INFO_VERSION_VALUE])
2598 continue;
2599
2600 if (name) {
2601 pr_out_object_start(dl, name);
2602 name = NULL;
2603 }
2604
2605 ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]);
2606 ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]);
2607
2608 pr_out_str(dl, ver_name, ver_value);
2609 if (!dl->json_output)
2610 __pr_out_newline();
2611 }
2612
2613 if (!name)
2614 pr_out_object_end(dl);
2615 }
2616
2617 static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh,
2618 struct nlattr **tb, bool has_versions)
2619 {
2620 __pr_out_handle_start(dl, tb, true, false);
2621
2622 __pr_out_indent_inc();
2623 if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) {
2624 struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME];
2625
2626 if (!dl->json_output)
2627 __pr_out_newline();
2628 pr_out_str(dl, "driver", mnl_attr_get_str(nla_drv));
2629 }
2630
2631 if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) {
2632 struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER];
2633
2634 if (!dl->json_output)
2635 __pr_out_newline();
2636 pr_out_str(dl, "serial_number", mnl_attr_get_str(nla_sn));
2637 }
2638 __pr_out_indent_dec();
2639
2640 if (has_versions) {
2641 pr_out_object_start(dl, "versions");
2642
2643 pr_out_versions_single(dl, nlh, "fixed",
2644 DEVLINK_ATTR_INFO_VERSION_FIXED);
2645 pr_out_versions_single(dl, nlh, "running",
2646 DEVLINK_ATTR_INFO_VERSION_RUNNING);
2647 pr_out_versions_single(dl, nlh, "stored",
2648 DEVLINK_ATTR_INFO_VERSION_STORED);
2649
2650 pr_out_object_end(dl);
2651 }
2652
2653 pr_out_handle_end(dl);
2654 }
2655
2656 static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data)
2657 {
2658 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2659 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2660 bool has_versions, has_info;
2661 struct dl *dl = data;
2662
2663 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2664
2665 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
2666 return MNL_CB_ERROR;
2667
2668 has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] ||
2669 tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] ||
2670 tb[DEVLINK_ATTR_INFO_VERSION_STORED];
2671 has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] ||
2672 tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] ||
2673 has_versions;
2674
2675 if (has_info)
2676 pr_out_info(dl, nlh, tb, has_versions);
2677
2678 return MNL_CB_OK;
2679 }
2680
2681 static void cmd_dev_info_help(void)
2682 {
2683 pr_err("Usage: devlink dev info [ DEV ]\n");
2684 }
2685
2686 static int cmd_dev_info(struct dl *dl)
2687 {
2688 struct nlmsghdr *nlh;
2689 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2690 int err;
2691
2692 if (dl_argv_match(dl, "help")) {
2693 cmd_dev_info_help();
2694 return 0;
2695 }
2696
2697 if (dl_argc(dl) == 0)
2698 flags |= NLM_F_DUMP;
2699
2700 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_INFO_GET, flags);
2701
2702 if (dl_argc(dl) > 0) {
2703 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
2704 if (err)
2705 return err;
2706 }
2707
2708 pr_out_section_start(dl, "info");
2709 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_versions_show_cb, dl);
2710 pr_out_section_end(dl);
2711 return err;
2712 }
2713
2714 static void cmd_dev_flash_help(void)
2715 {
2716 pr_err("Usage: devlink dev flash DEV file PATH [ component NAME ]\n");
2717 }
2718
2719 static int cmd_dev_flash(struct dl *dl)
2720 {
2721 struct nlmsghdr *nlh;
2722 int err;
2723
2724 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
2725 cmd_dev_flash_help();
2726 return 0;
2727 }
2728
2729 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_FLASH_UPDATE,
2730 NLM_F_REQUEST | NLM_F_ACK);
2731
2732 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME,
2733 DL_OPT_FLASH_COMPONENT);
2734 if (err)
2735 return err;
2736
2737 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2738 }
2739
2740 static int cmd_dev(struct dl *dl)
2741 {
2742 if (dl_argv_match(dl, "help")) {
2743 cmd_dev_help();
2744 return 0;
2745 } else if (dl_argv_match(dl, "show") ||
2746 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2747 dl_arg_inc(dl);
2748 return cmd_dev_show(dl);
2749 } else if (dl_argv_match(dl, "eswitch")) {
2750 dl_arg_inc(dl);
2751 return cmd_dev_eswitch(dl);
2752 } else if (dl_argv_match(dl, "reload")) {
2753 dl_arg_inc(dl);
2754 return cmd_dev_reload(dl);
2755 } else if (dl_argv_match(dl, "param")) {
2756 dl_arg_inc(dl);
2757 return cmd_dev_param(dl);
2758 } else if (dl_argv_match(dl, "info")) {
2759 dl_arg_inc(dl);
2760 return cmd_dev_info(dl);
2761 } else if (dl_argv_match(dl, "flash")) {
2762 dl_arg_inc(dl);
2763 return cmd_dev_flash(dl);
2764 }
2765 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2766 return -ENOENT;
2767 }
2768
2769 static void cmd_port_help(void)
2770 {
2771 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
2772 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
2773 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
2774 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
2775 }
2776
2777 static const char *port_type_name(uint32_t type)
2778 {
2779 switch (type) {
2780 case DEVLINK_PORT_TYPE_NOTSET: return "notset";
2781 case DEVLINK_PORT_TYPE_AUTO: return "auto";
2782 case DEVLINK_PORT_TYPE_ETH: return "eth";
2783 case DEVLINK_PORT_TYPE_IB: return "ib";
2784 default: return "<unknown type>";
2785 }
2786 }
2787
2788 static const char *port_flavour_name(uint16_t flavour)
2789 {
2790 switch (flavour) {
2791 case DEVLINK_PORT_FLAVOUR_PHYSICAL:
2792 return "physical";
2793 case DEVLINK_PORT_FLAVOUR_CPU:
2794 return "cpu";
2795 case DEVLINK_PORT_FLAVOUR_DSA:
2796 return "dsa";
2797 case DEVLINK_PORT_FLAVOUR_PCI_PF:
2798 return "pcipf";
2799 case DEVLINK_PORT_FLAVOUR_PCI_VF:
2800 return "pcivf";
2801 default:
2802 return "<unknown flavour>";
2803 }
2804 }
2805
2806 static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
2807 {
2808 uint16_t fn_num;
2809
2810 if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
2811 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
2812 pr_out_uint(dl, "pfnum", fn_num);
2813 }
2814 if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) {
2815 fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
2816 pr_out_uint(dl, "vfnum", fn_num);
2817 }
2818 }
2819
2820 static void pr_out_port(struct dl *dl, struct nlattr **tb)
2821 {
2822 struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
2823 struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
2824
2825 pr_out_port_handle_start(dl, tb, false);
2826 if (pt_attr) {
2827 uint16_t port_type = mnl_attr_get_u16(pt_attr);
2828
2829 pr_out_str(dl, "type", port_type_name(port_type));
2830 if (dpt_attr) {
2831 uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
2832
2833 if (port_type != des_port_type)
2834 pr_out_str(dl, "des_type",
2835 port_type_name(des_port_type));
2836 }
2837 }
2838 if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
2839 pr_out_str(dl, "netdev",
2840 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
2841 if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
2842 pr_out_str(dl, "ibdev",
2843 mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
2844 if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
2845 uint16_t port_flavour =
2846 mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
2847
2848 pr_out_str(dl, "flavour", port_flavour_name(port_flavour));
2849
2850 switch (port_flavour) {
2851 case DEVLINK_PORT_FLAVOUR_PCI_PF:
2852 case DEVLINK_PORT_FLAVOUR_PCI_VF:
2853 pr_out_port_pfvf_num(dl, tb);
2854 break;
2855 default:
2856 break;
2857 }
2858 }
2859 if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
2860 uint32_t port_number;
2861
2862 port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]);
2863 pr_out_uint(dl, "port", port_number);
2864 }
2865 if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
2866 pr_out_uint(dl, "split_group",
2867 mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
2868 pr_out_port_handle_end(dl);
2869 }
2870
2871 static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
2872 {
2873 struct dl *dl = data;
2874 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
2875 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
2876
2877 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
2878 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
2879 !tb[DEVLINK_ATTR_PORT_INDEX])
2880 return MNL_CB_ERROR;
2881 pr_out_port(dl, tb);
2882 return MNL_CB_OK;
2883 }
2884
2885 static int cmd_port_show(struct dl *dl)
2886 {
2887 struct nlmsghdr *nlh;
2888 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
2889 int err;
2890
2891 if (dl_argc(dl) == 0)
2892 flags |= NLM_F_DUMP;
2893
2894 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
2895
2896 if (dl_argc(dl) > 0) {
2897 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2898 if (err)
2899 return err;
2900 }
2901
2902 pr_out_section_start(dl, "port");
2903 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
2904 pr_out_section_end(dl);
2905 return err;
2906 }
2907
2908 static int cmd_port_set(struct dl *dl)
2909 {
2910 struct nlmsghdr *nlh;
2911 int err;
2912
2913 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
2914 NLM_F_REQUEST | NLM_F_ACK);
2915
2916 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
2917 if (err)
2918 return err;
2919
2920 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2921 }
2922
2923 static int cmd_port_split(struct dl *dl)
2924 {
2925 struct nlmsghdr *nlh;
2926 int err;
2927
2928 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
2929 NLM_F_REQUEST | NLM_F_ACK);
2930
2931 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
2932 if (err)
2933 return err;
2934
2935 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2936 }
2937
2938 static int cmd_port_unsplit(struct dl *dl)
2939 {
2940 struct nlmsghdr *nlh;
2941 int err;
2942
2943 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
2944 NLM_F_REQUEST | NLM_F_ACK);
2945
2946 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
2947 if (err)
2948 return err;
2949
2950 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
2951 }
2952
2953 static int cmd_port(struct dl *dl)
2954 {
2955 if (dl_argv_match(dl, "help")) {
2956 cmd_port_help();
2957 return 0;
2958 } else if (dl_argv_match(dl, "show") ||
2959 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
2960 dl_arg_inc(dl);
2961 return cmd_port_show(dl);
2962 } else if (dl_argv_match(dl, "set")) {
2963 dl_arg_inc(dl);
2964 return cmd_port_set(dl);
2965 } else if (dl_argv_match(dl, "split")) {
2966 dl_arg_inc(dl);
2967 return cmd_port_split(dl);
2968 } else if (dl_argv_match(dl, "unsplit")) {
2969 dl_arg_inc(dl);
2970 return cmd_port_unsplit(dl);
2971 }
2972 pr_err("Command \"%s\" not found\n", dl_argv(dl));
2973 return -ENOENT;
2974 }
2975
2976 static void cmd_sb_help(void)
2977 {
2978 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
2979 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
2980 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
2981 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
2982 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2983 pr_err(" pool POOL_INDEX ]\n");
2984 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
2985 pr_err(" pool POOL_INDEX th THRESHOLD\n");
2986 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2987 pr_err(" type { ingress | egress } ]\n");
2988 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
2989 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
2990 pr_err(" th THRESHOLD\n");
2991 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
2992 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
2993 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
2994 }
2995
2996 static void pr_out_sb(struct dl *dl, struct nlattr **tb)
2997 {
2998 pr_out_handle_start_arr(dl, tb);
2999 pr_out_uint(dl, "sb",
3000 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3001 pr_out_uint(dl, "size",
3002 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
3003 pr_out_uint(dl, "ing_pools",
3004 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
3005 pr_out_uint(dl, "eg_pools",
3006 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
3007 pr_out_uint(dl, "ing_tcs",
3008 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
3009 pr_out_uint(dl, "eg_tcs",
3010 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
3011 pr_out_handle_end(dl);
3012 }
3013
3014 static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
3015 {
3016 struct dl *dl = data;
3017 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3018 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3019
3020 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3021 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3022 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
3023 !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
3024 !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
3025 !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
3026 !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
3027 return MNL_CB_ERROR;
3028 pr_out_sb(dl, tb);
3029 return MNL_CB_OK;
3030 }
3031
3032 static int cmd_sb_show(struct dl *dl)
3033 {
3034 struct nlmsghdr *nlh;
3035 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3036 int err;
3037
3038 if (dl_argc(dl) == 0)
3039 flags |= NLM_F_DUMP;
3040
3041 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
3042
3043 if (dl_argc(dl) > 0) {
3044 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3045 if (err)
3046 return err;
3047 }
3048
3049 pr_out_section_start(dl, "sb");
3050 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
3051 pr_out_section_end(dl);
3052 return err;
3053 }
3054
3055 static const char *pool_type_name(uint8_t type)
3056 {
3057 switch (type) {
3058 case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
3059 case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
3060 default: return "<unknown type>";
3061 }
3062 }
3063
3064 static const char *threshold_type_name(uint8_t type)
3065 {
3066 switch (type) {
3067 case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
3068 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
3069 default: return "<unknown type>";
3070 }
3071 }
3072
3073 static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
3074 {
3075 pr_out_handle_start_arr(dl, tb);
3076 pr_out_uint(dl, "sb",
3077 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3078 pr_out_uint(dl, "pool",
3079 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3080 pr_out_str(dl, "type",
3081 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3082 pr_out_uint(dl, "size",
3083 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
3084 pr_out_str(dl, "thtype",
3085 threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
3086 if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
3087 pr_out_uint(dl, "cell_size",
3088 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
3089 pr_out_handle_end(dl);
3090 }
3091
3092 static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3093 {
3094 struct dl *dl = data;
3095 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3096 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3097
3098 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3099 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3100 !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3101 !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
3102 !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
3103 return MNL_CB_ERROR;
3104 pr_out_sb_pool(dl, tb);
3105 return MNL_CB_OK;
3106 }
3107
3108 static int cmd_sb_pool_show(struct dl *dl)
3109 {
3110 struct nlmsghdr *nlh;
3111 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3112 int err;
3113
3114 if (dl_argc(dl) == 0)
3115 flags |= NLM_F_DUMP;
3116
3117 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
3118
3119 if (dl_argc(dl) > 0) {
3120 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
3121 DL_OPT_SB);
3122 if (err)
3123 return err;
3124 }
3125
3126 pr_out_section_start(dl, "pool");
3127 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
3128 pr_out_section_end(dl);
3129 return err;
3130 }
3131
3132 static int cmd_sb_pool_set(struct dl *dl)
3133 {
3134 struct nlmsghdr *nlh;
3135 int err;
3136
3137 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
3138 NLM_F_REQUEST | NLM_F_ACK);
3139
3140 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
3141 DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
3142 if (err)
3143 return err;
3144
3145 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3146 }
3147
3148 static int cmd_sb_pool(struct dl *dl)
3149 {
3150 if (dl_argv_match(dl, "help")) {
3151 cmd_sb_help();
3152 return 0;
3153 } else if (dl_argv_match(dl, "show") ||
3154 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3155 dl_arg_inc(dl);
3156 return cmd_sb_pool_show(dl);
3157 } else if (dl_argv_match(dl, "set")) {
3158 dl_arg_inc(dl);
3159 return cmd_sb_pool_set(dl);
3160 }
3161 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3162 return -ENOENT;
3163 }
3164
3165 static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
3166 {
3167 pr_out_port_handle_start_arr(dl, tb, true);
3168 pr_out_uint(dl, "sb",
3169 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3170 pr_out_uint(dl, "pool",
3171 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3172 pr_out_uint(dl, "threshold",
3173 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3174 pr_out_port_handle_end(dl);
3175 }
3176
3177 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
3178 {
3179 struct dl *dl = data;
3180 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3181 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3182
3183 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3184 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3185 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3186 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3187 return MNL_CB_ERROR;
3188 pr_out_sb_port_pool(dl, tb);
3189 return MNL_CB_OK;
3190 }
3191
3192 static int cmd_sb_port_pool_show(struct dl *dl)
3193 {
3194 struct nlmsghdr *nlh;
3195 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3196 int err;
3197
3198 if (dl_argc(dl) == 0)
3199 flags |= NLM_F_DUMP;
3200
3201 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3202
3203 if (dl_argc(dl) > 0) {
3204 err = dl_argv_parse_put(nlh, dl,
3205 DL_OPT_HANDLEP | DL_OPT_SB_POOL,
3206 DL_OPT_SB);
3207 if (err)
3208 return err;
3209 }
3210
3211 pr_out_section_start(dl, "port_pool");
3212 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
3213 pr_out_section_end(dl);
3214 return 0;
3215 }
3216
3217 static int cmd_sb_port_pool_set(struct dl *dl)
3218 {
3219 struct nlmsghdr *nlh;
3220 int err;
3221
3222 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
3223 NLM_F_REQUEST | NLM_F_ACK);
3224
3225 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
3226 DL_OPT_SB_TH, DL_OPT_SB);
3227 if (err)
3228 return err;
3229
3230 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3231 }
3232
3233 static int cmd_sb_port_pool(struct dl *dl)
3234 {
3235 if (dl_argv_match(dl, "help")) {
3236 cmd_sb_help();
3237 return 0;
3238 } else if (dl_argv_match(dl, "show") ||
3239 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3240 dl_arg_inc(dl);
3241 return cmd_sb_port_pool_show(dl);
3242 } else if (dl_argv_match(dl, "set")) {
3243 dl_arg_inc(dl);
3244 return cmd_sb_port_pool_set(dl);
3245 }
3246 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3247 return -ENOENT;
3248 }
3249
3250 static int cmd_sb_port(struct dl *dl)
3251 {
3252 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3253 cmd_sb_help();
3254 return 0;
3255 } else if (dl_argv_match(dl, "pool")) {
3256 dl_arg_inc(dl);
3257 return cmd_sb_port_pool(dl);
3258 }
3259 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3260 return -ENOENT;
3261 }
3262
3263 static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
3264 {
3265 pr_out_port_handle_start_arr(dl, tb, true);
3266 pr_out_uint(dl, "sb",
3267 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
3268 pr_out_uint(dl, "tc",
3269 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
3270 pr_out_str(dl, "type",
3271 pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
3272 pr_out_uint(dl, "pool",
3273 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
3274 pr_out_uint(dl, "threshold",
3275 mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
3276 pr_out_port_handle_end(dl);
3277 }
3278
3279 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
3280 {
3281 struct dl *dl = data;
3282 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3283 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3284
3285 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3286 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3287 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3288 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3289 !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
3290 return MNL_CB_ERROR;
3291 pr_out_sb_tc_bind(dl, tb);
3292 return MNL_CB_OK;
3293 }
3294
3295 static int cmd_sb_tc_bind_show(struct dl *dl)
3296 {
3297 struct nlmsghdr *nlh;
3298 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
3299 int err;
3300
3301 if (dl_argc(dl) == 0)
3302 flags |= NLM_F_DUMP;
3303
3304 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3305
3306 if (dl_argc(dl) > 0) {
3307 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3308 DL_OPT_SB_TYPE, DL_OPT_SB);
3309 if (err)
3310 return err;
3311 }
3312
3313 pr_out_section_start(dl, "tc_bind");
3314 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
3315 pr_out_section_end(dl);
3316 return err;
3317 }
3318
3319 static int cmd_sb_tc_bind_set(struct dl *dl)
3320 {
3321 struct nlmsghdr *nlh;
3322 int err;
3323
3324 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
3325 NLM_F_REQUEST | NLM_F_ACK);
3326
3327 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
3328 DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
3329 DL_OPT_SB);
3330 if (err)
3331 return err;
3332
3333 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3334 }
3335
3336 static int cmd_sb_tc_bind(struct dl *dl)
3337 {
3338 if (dl_argv_match(dl, "help")) {
3339 cmd_sb_help();
3340 return 0;
3341 } else if (dl_argv_match(dl, "show") ||
3342 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3343 dl_arg_inc(dl);
3344 return cmd_sb_tc_bind_show(dl);
3345 } else if (dl_argv_match(dl, "set")) {
3346 dl_arg_inc(dl);
3347 return cmd_sb_tc_bind_set(dl);
3348 }
3349 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3350 return -ENOENT;
3351 }
3352
3353 static int cmd_sb_tc(struct dl *dl)
3354 {
3355 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3356 cmd_sb_help();
3357 return 0;
3358 } else if (dl_argv_match(dl, "bind")) {
3359 dl_arg_inc(dl);
3360 return cmd_sb_tc_bind(dl);
3361 }
3362 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3363 return -ENOENT;
3364 }
3365
3366 struct occ_item {
3367 struct list_head list;
3368 uint32_t index;
3369 uint32_t cur;
3370 uint32_t max;
3371 uint32_t bound_pool_index;
3372 };
3373
3374 struct occ_port {
3375 struct list_head list;
3376 char *bus_name;
3377 char *dev_name;
3378 uint32_t port_index;
3379 uint32_t sb_index;
3380 struct list_head pool_list;
3381 struct list_head ing_tc_list;
3382 struct list_head eg_tc_list;
3383 };
3384
3385 struct occ_show {
3386 struct dl *dl;
3387 int err;
3388 struct list_head port_list;
3389 };
3390
3391 static struct occ_item *occ_item_alloc(void)
3392 {
3393 return calloc(1, sizeof(struct occ_item));
3394 }
3395
3396 static void occ_item_free(struct occ_item *occ_item)
3397 {
3398 free(occ_item);
3399 }
3400
3401 static struct occ_port *occ_port_alloc(uint32_t port_index)
3402 {
3403 struct occ_port *occ_port;
3404
3405 occ_port = calloc(1, sizeof(*occ_port));
3406 if (!occ_port)
3407 return NULL;
3408 occ_port->port_index = port_index;
3409 INIT_LIST_HEAD(&occ_port->pool_list);
3410 INIT_LIST_HEAD(&occ_port->ing_tc_list);
3411 INIT_LIST_HEAD(&occ_port->eg_tc_list);
3412 return occ_port;
3413 }
3414
3415 static void occ_port_free(struct occ_port *occ_port)
3416 {
3417 struct occ_item *occ_item, *tmp;
3418
3419 list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
3420 occ_item_free(occ_item);
3421 list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
3422 occ_item_free(occ_item);
3423 list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
3424 occ_item_free(occ_item);
3425 }
3426
3427 static struct occ_show *occ_show_alloc(struct dl *dl)
3428 {
3429 struct occ_show *occ_show;
3430
3431 occ_show = calloc(1, sizeof(*occ_show));
3432 if (!occ_show)
3433 return NULL;
3434 occ_show->dl = dl;
3435 INIT_LIST_HEAD(&occ_show->port_list);
3436 return occ_show;
3437 }
3438
3439 static void occ_show_free(struct occ_show *occ_show)
3440 {
3441 struct occ_port *occ_port, *tmp;
3442
3443 list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
3444 occ_port_free(occ_port);
3445 }
3446
3447 static struct occ_port *occ_port_get(struct occ_show *occ_show,
3448 struct nlattr **tb)
3449 {
3450 struct occ_port *occ_port;
3451 uint32_t port_index;
3452
3453 port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
3454
3455 list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
3456 if (occ_port->port_index == port_index)
3457 return occ_port;
3458 }
3459 occ_port = occ_port_alloc(port_index);
3460 if (!occ_port)
3461 return NULL;
3462 list_add_tail(&occ_port->list, &occ_show->port_list);
3463 return occ_port;
3464 }
3465
3466 static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
3467 bool bound_pool)
3468 {
3469 struct occ_item *occ_item;
3470 int i = 1;
3471
3472 pr_out_sp(7, " %s:", label);
3473 list_for_each_entry(occ_item, list, list) {
3474 if ((i - 1) % 4 == 0 && i != 1)
3475 pr_out_sp(7, " ");
3476 if (bound_pool)
3477 pr_out_sp(7, "%2u(%u):", occ_item->index,
3478 occ_item->bound_pool_index);
3479 else
3480 pr_out_sp(7, "%2u:", occ_item->index);
3481 pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max);
3482 if (i++ % 4 == 0)
3483 pr_out("\n");
3484 }
3485 if ((i - 1) % 4 != 0)
3486 pr_out("\n");
3487 }
3488
3489 static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
3490 struct list_head *list,
3491 bool bound_pool)
3492 {
3493 struct occ_item *occ_item;
3494 char buf[32];
3495
3496 jsonw_name(dl->jw, label);
3497 jsonw_start_object(dl->jw);
3498 list_for_each_entry(occ_item, list, list) {
3499 sprintf(buf, "%u", occ_item->index);
3500 jsonw_name(dl->jw, buf);
3501 jsonw_start_object(dl->jw);
3502 if (bound_pool)
3503 jsonw_uint_field(dl->jw, "bound_pool",
3504 occ_item->bound_pool_index);
3505 jsonw_uint_field(dl->jw, "current", occ_item->cur);
3506 jsonw_uint_field(dl->jw, "max", occ_item->max);
3507 jsonw_end_object(dl->jw);
3508 }
3509 jsonw_end_object(dl->jw);
3510 }
3511
3512 static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
3513 {
3514 if (dl->json_output) {
3515 pr_out_json_occ_show_item_list(dl, "pool",
3516 &occ_port->pool_list, false);
3517 pr_out_json_occ_show_item_list(dl, "itc",
3518 &occ_port->ing_tc_list, true);
3519 pr_out_json_occ_show_item_list(dl, "etc",
3520 &occ_port->eg_tc_list, true);
3521 } else {
3522 pr_out("\n");
3523 pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
3524 pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
3525 pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
3526 }
3527 }
3528
3529 static void pr_out_occ_show(struct occ_show *occ_show)
3530 {
3531 struct dl *dl = occ_show->dl;
3532 struct dl_opts *opts = &dl->opts;
3533 struct occ_port *occ_port;
3534
3535 list_for_each_entry(occ_port, &occ_show->port_list, list) {
3536 __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
3537 occ_port->port_index, true, false);
3538 pr_out_occ_show_port(dl, occ_port);
3539 pr_out_port_handle_end(dl);
3540 }
3541 }
3542
3543 static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
3544 struct nlattr **tb)
3545 {
3546 struct occ_port *occ_port;
3547 struct occ_item *occ_item;
3548
3549 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3550 return;
3551
3552 occ_port = occ_port_get(occ_show, tb);
3553 if (!occ_port) {
3554 occ_show->err = -ENOMEM;
3555 return;
3556 }
3557
3558 occ_item = occ_item_alloc();
3559 if (!occ_item) {
3560 occ_show->err = -ENOMEM;
3561 return;
3562 }
3563 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3564 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3565 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3566 list_add_tail(&occ_item->list, &occ_port->pool_list);
3567 }
3568
3569 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3570 {
3571 struct occ_show *occ_show = data;
3572 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3573 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3574
3575 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3576 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3577 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3578 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3579 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3580 return MNL_CB_ERROR;
3581 cmd_sb_occ_port_pool_process(occ_show, tb);
3582 return MNL_CB_OK;
3583 }
3584
3585 static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
3586 struct nlattr **tb)
3587 {
3588 struct occ_port *occ_port;
3589 struct occ_item *occ_item;
3590 uint8_t pool_type;
3591
3592 if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
3593 return;
3594
3595 occ_port = occ_port_get(occ_show, tb);
3596 if (!occ_port) {
3597 occ_show->err = -ENOMEM;
3598 return;
3599 }
3600
3601 occ_item = occ_item_alloc();
3602 if (!occ_item) {
3603 occ_show->err = -ENOMEM;
3604 return;
3605 }
3606 occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
3607 occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
3608 occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
3609 occ_item->bound_pool_index =
3610 mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
3611 pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
3612 if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
3613 list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
3614 else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
3615 list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
3616 else
3617 occ_item_free(occ_item);
3618 }
3619
3620 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
3621 {
3622 struct occ_show *occ_show = data;
3623 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3624 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3625
3626 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3627 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3628 !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
3629 !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
3630 !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
3631 !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
3632 return MNL_CB_ERROR;
3633 cmd_sb_occ_tc_pool_process(occ_show, tb);
3634 return MNL_CB_OK;
3635 }
3636
3637 static int cmd_sb_occ_show(struct dl *dl)
3638 {
3639 struct nlmsghdr *nlh;
3640 struct occ_show *occ_show;
3641 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
3642 int err;
3643
3644 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
3645 if (err)
3646 return err;
3647
3648 occ_show = occ_show_alloc(dl);
3649 if (!occ_show)
3650 return -ENOMEM;
3651
3652 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
3653
3654 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3655 cmd_sb_occ_port_pool_process_cb, occ_show);
3656 if (err)
3657 goto out;
3658
3659 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
3660
3661 err = _mnlg_socket_sndrcv(dl->nlg, nlh,
3662 cmd_sb_occ_tc_pool_process_cb, occ_show);
3663 if (err)
3664 goto out;
3665
3666 pr_out_section_start(dl, "occupancy");
3667 pr_out_occ_show(occ_show);
3668 pr_out_section_end(dl);
3669
3670 out:
3671 occ_show_free(occ_show);
3672 return err;
3673 }
3674
3675 static int cmd_sb_occ_snapshot(struct dl *dl)
3676 {
3677 struct nlmsghdr *nlh;
3678 int err;
3679
3680 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
3681 NLM_F_REQUEST | NLM_F_ACK);
3682
3683 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3684 if (err)
3685 return err;
3686
3687 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3688 }
3689
3690 static int cmd_sb_occ_clearmax(struct dl *dl)
3691 {
3692 struct nlmsghdr *nlh;
3693 int err;
3694
3695 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
3696 NLM_F_REQUEST | NLM_F_ACK);
3697
3698 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
3699 if (err)
3700 return err;
3701
3702 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
3703 }
3704
3705 static int cmd_sb_occ(struct dl *dl)
3706 {
3707 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
3708 cmd_sb_help();
3709 return 0;
3710 } else if (dl_argv_match(dl, "show") ||
3711 dl_argv_match(dl, "list")) {
3712 dl_arg_inc(dl);
3713 return cmd_sb_occ_show(dl);
3714 } else if (dl_argv_match(dl, "snapshot")) {
3715 dl_arg_inc(dl);
3716 return cmd_sb_occ_snapshot(dl);
3717 } else if (dl_argv_match(dl, "clearmax")) {
3718 dl_arg_inc(dl);
3719 return cmd_sb_occ_clearmax(dl);
3720 }
3721 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3722 return -ENOENT;
3723 }
3724
3725 static int cmd_sb(struct dl *dl)
3726 {
3727 if (dl_argv_match(dl, "help")) {
3728 cmd_sb_help();
3729 return 0;
3730 } else if (dl_argv_match(dl, "show") ||
3731 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
3732 dl_arg_inc(dl);
3733 return cmd_sb_show(dl);
3734 } else if (dl_argv_match(dl, "pool")) {
3735 dl_arg_inc(dl);
3736 return cmd_sb_pool(dl);
3737 } else if (dl_argv_match(dl, "port")) {
3738 dl_arg_inc(dl);
3739 return cmd_sb_port(dl);
3740 } else if (dl_argv_match(dl, "tc")) {
3741 dl_arg_inc(dl);
3742 return cmd_sb_tc(dl);
3743 } else if (dl_argv_match(dl, "occupancy")) {
3744 dl_arg_inc(dl);
3745 return cmd_sb_occ(dl);
3746 }
3747 pr_err("Command \"%s\" not found\n", dl_argv(dl));
3748 return -ENOENT;
3749 }
3750
3751 static const char *cmd_name(uint8_t cmd)
3752 {
3753 switch (cmd) {
3754 case DEVLINK_CMD_UNSPEC: return "unspec";
3755 case DEVLINK_CMD_GET: return "get";
3756 case DEVLINK_CMD_SET: return "set";
3757 case DEVLINK_CMD_NEW: return "new";
3758 case DEVLINK_CMD_DEL: return "del";
3759 case DEVLINK_CMD_PORT_GET: return "get";
3760 case DEVLINK_CMD_PORT_SET: return "set";
3761 case DEVLINK_CMD_PORT_NEW: return "new";
3762 case DEVLINK_CMD_PORT_DEL: return "del";
3763 case DEVLINK_CMD_PARAM_GET: return "get";
3764 case DEVLINK_CMD_PARAM_SET: return "set";
3765 case DEVLINK_CMD_PARAM_NEW: return "new";
3766 case DEVLINK_CMD_PARAM_DEL: return "del";
3767 case DEVLINK_CMD_REGION_GET: return "get";
3768 case DEVLINK_CMD_REGION_SET: return "set";
3769 case DEVLINK_CMD_REGION_NEW: return "new";
3770 case DEVLINK_CMD_REGION_DEL: return "del";
3771 default: return "<unknown cmd>";
3772 }
3773 }
3774
3775 static const char *cmd_obj(uint8_t cmd)
3776 {
3777 switch (cmd) {
3778 case DEVLINK_CMD_UNSPEC: return "unspec";
3779 case DEVLINK_CMD_GET:
3780 case DEVLINK_CMD_SET:
3781 case DEVLINK_CMD_NEW:
3782 case DEVLINK_CMD_DEL:
3783 return "dev";
3784 case DEVLINK_CMD_PORT_GET:
3785 case DEVLINK_CMD_PORT_SET:
3786 case DEVLINK_CMD_PORT_NEW:
3787 case DEVLINK_CMD_PORT_DEL:
3788 return "port";
3789 case DEVLINK_CMD_PARAM_GET:
3790 case DEVLINK_CMD_PARAM_SET:
3791 case DEVLINK_CMD_PARAM_NEW:
3792 case DEVLINK_CMD_PARAM_DEL:
3793 return "param";
3794 case DEVLINK_CMD_REGION_GET:
3795 case DEVLINK_CMD_REGION_SET:
3796 case DEVLINK_CMD_REGION_NEW:
3797 case DEVLINK_CMD_REGION_DEL:
3798 return "region";
3799 default: return "<unknown obj>";
3800 }
3801 }
3802
3803 static void pr_out_mon_header(uint8_t cmd)
3804 {
3805 pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
3806 }
3807
3808 static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
3809 {
3810 const char *obj = cmd_obj(cmd);
3811 unsigned int index = 0;
3812 const char *cur_obj;
3813
3814 if (dl_no_arg(dl))
3815 return true;
3816 while ((cur_obj = dl_argv_index(dl, index++))) {
3817 if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
3818 return true;
3819 }
3820 return false;
3821 }
3822
3823 static void pr_out_region(struct dl *dl, struct nlattr **tb);
3824
3825 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
3826 {
3827 struct dl *dl = data;
3828 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
3829 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
3830 uint8_t cmd = genl->cmd;
3831
3832 if (!cmd_filter_check(dl, cmd))
3833 return MNL_CB_OK;
3834
3835 switch (cmd) {
3836 case DEVLINK_CMD_GET: /* fall through */
3837 case DEVLINK_CMD_SET: /* fall through */
3838 case DEVLINK_CMD_NEW: /* fall through */
3839 case DEVLINK_CMD_DEL:
3840 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3841 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
3842 return MNL_CB_ERROR;
3843 pr_out_mon_header(genl->cmd);
3844 pr_out_dev(dl, tb);
3845 break;
3846 case DEVLINK_CMD_PORT_GET: /* fall through */
3847 case DEVLINK_CMD_PORT_SET: /* fall through */
3848 case DEVLINK_CMD_PORT_NEW: /* fall through */
3849 case DEVLINK_CMD_PORT_DEL:
3850 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3851 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3852 !tb[DEVLINK_ATTR_PORT_INDEX])
3853 return MNL_CB_ERROR;
3854 pr_out_mon_header(genl->cmd);
3855 pr_out_port(dl, tb);
3856 break;
3857 case DEVLINK_CMD_PARAM_GET: /* fall through */
3858 case DEVLINK_CMD_PARAM_SET: /* fall through */
3859 case DEVLINK_CMD_PARAM_NEW: /* fall through */
3860 case DEVLINK_CMD_PARAM_DEL:
3861 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3862 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3863 !tb[DEVLINK_ATTR_PARAM])
3864 return MNL_CB_ERROR;
3865 pr_out_mon_header(genl->cmd);
3866 pr_out_param(dl, tb, false);
3867 break;
3868 case DEVLINK_CMD_REGION_GET: /* fall through */
3869 case DEVLINK_CMD_REGION_SET: /* fall through */
3870 case DEVLINK_CMD_REGION_NEW: /* fall through */
3871 case DEVLINK_CMD_REGION_DEL:
3872 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
3873 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
3874 !tb[DEVLINK_ATTR_REGION_NAME])
3875 return MNL_CB_ERROR;
3876 pr_out_mon_header(genl->cmd);
3877 pr_out_region(dl, tb);
3878 break;
3879 }
3880 return MNL_CB_OK;
3881 }
3882
3883 static int cmd_mon_show(struct dl *dl)
3884 {
3885 int err;
3886 unsigned int index = 0;
3887 const char *cur_obj;
3888
3889 while ((cur_obj = dl_argv_index(dl, index++))) {
3890 if (strcmp(cur_obj, "all") != 0 &&
3891 strcmp(cur_obj, "dev") != 0 &&
3892 strcmp(cur_obj, "port") != 0) {
3893 pr_err("Unknown object \"%s\"\n", cur_obj);
3894 return -EINVAL;
3895 }
3896 }
3897 err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
3898 if (err)
3899 return err;
3900 err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl);
3901 if (err)
3902 return err;
3903 return 0;
3904 }
3905
3906 static void cmd_mon_help(void)
3907 {
3908 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
3909 "where OBJECT-LIST := { dev | port }\n");
3910 }
3911
3912 static int cmd_mon(struct dl *dl)
3913 {
3914 if (dl_argv_match(dl, "help")) {
3915 cmd_mon_help();
3916 return 0;
3917 }
3918 return cmd_mon_show(dl);
3919 }
3920
3921 struct dpipe_field {
3922 char *name;
3923 unsigned int id;
3924 unsigned int bitwidth;
3925 enum devlink_dpipe_field_mapping_type mapping_type;
3926 };
3927
3928 struct dpipe_header {
3929 struct list_head list;
3930 char *name;
3931 unsigned int id;
3932 struct dpipe_field *fields;
3933 unsigned int fields_count;
3934 };
3935
3936 struct dpipe_table {
3937 struct list_head list;
3938 char *name;
3939 unsigned int resource_id;
3940 bool resource_valid;
3941 };
3942
3943 struct dpipe_tables {
3944 struct list_head table_list;
3945 };
3946
3947 struct resource {
3948 char *name;
3949 uint64_t size;
3950 uint64_t size_new;
3951 uint64_t size_min;
3952 uint64_t size_max;
3953 uint64_t size_gran;
3954 enum devlink_resource_unit unit;
3955 bool size_valid;
3956 uint64_t size_occ;
3957 bool occ_valid;
3958 uint64_t id;
3959 struct list_head list;
3960 struct list_head resource_list;
3961 struct resource *parent;
3962 };
3963
3964 struct resources {
3965 struct list_head resource_list;
3966 };
3967
3968 struct resource_ctx {
3969 struct dl *dl;
3970 int err;
3971 struct resources *resources;
3972 struct dpipe_tables *tables;
3973 bool print_resources;
3974 bool pending_change;
3975 };
3976
3977 static struct resource *resource_alloc(void)
3978 {
3979 struct resource *resource;
3980
3981 resource = calloc(1, sizeof(struct resource));
3982 if (!resource)
3983 return NULL;
3984 INIT_LIST_HEAD(&resource->resource_list);
3985 return resource;
3986 }
3987
3988 static void resource_free(struct resource *resource)
3989 {
3990 struct resource *child_resource, *tmp;
3991
3992 list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
3993 list) {
3994 free(child_resource->name);
3995 resource_free(child_resource);
3996 }
3997 free(resource);
3998 }
3999
4000 static struct resources *resources_alloc(void)
4001 {
4002 struct resources *resources;
4003
4004 resources = calloc(1, sizeof(struct resources));
4005 if (!resources)
4006 return NULL;
4007 INIT_LIST_HEAD(&resources->resource_list);
4008 return resources;
4009 }
4010
4011 static void resources_free(struct resources *resources)
4012 {
4013 struct resource *resource, *tmp;
4014
4015 list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
4016 resource_free(resource);
4017 }
4018
4019 static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
4020 {
4021 ctx->resources = resources_alloc();
4022 if (!ctx->resources)
4023 return -ENOMEM;
4024 ctx->dl = dl;
4025 return 0;
4026 }
4027
4028 static void resource_ctx_fini(struct resource_ctx *ctx)
4029 {
4030 resources_free(ctx->resources);
4031 }
4032
4033 struct dpipe_ctx {
4034 struct dl *dl;
4035 int err;
4036 struct list_head global_headers;
4037 struct list_head local_headers;
4038 struct dpipe_tables *tables;
4039 struct resources *resources;
4040 bool print_headers;
4041 bool print_tables;
4042 };
4043
4044 static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
4045 {
4046 struct dpipe_header *header;
4047
4048 header = calloc(1, sizeof(struct dpipe_header));
4049 if (!header)
4050 return NULL;
4051 header->fields = calloc(fields_count, sizeof(struct dpipe_field));
4052 if (!header->fields)
4053 goto err_fields_alloc;
4054 header->fields_count = fields_count;
4055 return header;
4056
4057 err_fields_alloc:
4058 free(header);
4059 return NULL;
4060 }
4061
4062 static void dpipe_header_free(struct dpipe_header *header)
4063 {
4064 free(header->fields);
4065 free(header);
4066 }
4067
4068 static void dpipe_header_clear(struct dpipe_header *header)
4069 {
4070 struct dpipe_field *field;
4071 int i;
4072
4073 for (i = 0; i < header->fields_count; i++) {
4074 field = &header->fields[i];
4075 free(field->name);
4076 }
4077 free(header->name);
4078 }
4079
4080 static void dpipe_header_add(struct dpipe_ctx *ctx,
4081 struct dpipe_header *header, bool global)
4082 {
4083 if (global)
4084 list_add(&header->list, &ctx->global_headers);
4085 else
4086 list_add(&header->list, &ctx->local_headers);
4087 }
4088
4089 static void dpipe_header_del(struct dpipe_header *header)
4090 {
4091 list_del(&header->list);
4092 }
4093
4094 static struct dpipe_table *dpipe_table_alloc(void)
4095 {
4096 return calloc(1, sizeof(struct dpipe_table));
4097 }
4098
4099 static void dpipe_table_free(struct dpipe_table *table)
4100 {
4101 free(table);
4102 }
4103
4104 static struct dpipe_tables *dpipe_tables_alloc(void)
4105 {
4106 struct dpipe_tables *tables;
4107
4108 tables = calloc(1, sizeof(struct dpipe_tables));
4109 if (!tables)
4110 return NULL;
4111 INIT_LIST_HEAD(&tables->table_list);
4112 return tables;
4113 }
4114
4115 static void dpipe_tables_free(struct dpipe_tables *tables)
4116 {
4117 struct dpipe_table *table, *tmp;
4118
4119 list_for_each_entry_safe(table, tmp, &tables->table_list, list)
4120 dpipe_table_free(table);
4121 free(tables);
4122 }
4123
4124 static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
4125 {
4126 ctx->tables = dpipe_tables_alloc();
4127 if (!ctx->tables)
4128 return -ENOMEM;
4129
4130 ctx->dl = dl;
4131 INIT_LIST_HEAD(&ctx->global_headers);
4132 INIT_LIST_HEAD(&ctx->local_headers);
4133 return 0;
4134 }
4135
4136 static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
4137 {
4138 struct dpipe_header *header, *tmp;
4139
4140 list_for_each_entry_safe(header, tmp, &ctx->global_headers,
4141 list) {
4142 dpipe_header_del(header);
4143 dpipe_header_clear(header);
4144 dpipe_header_free(header);
4145 }
4146 list_for_each_entry_safe(header, tmp, &ctx->local_headers,
4147 list) {
4148 dpipe_header_del(header);
4149 dpipe_header_clear(header);
4150 dpipe_header_free(header);
4151 }
4152 dpipe_tables_free(ctx->tables);
4153 }
4154
4155 static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
4156 uint32_t header_id, bool global)
4157 {
4158 struct list_head *header_list;
4159 struct dpipe_header *header;
4160
4161 if (global)
4162 header_list = &ctx->global_headers;
4163 else
4164 header_list = &ctx->local_headers;
4165 list_for_each_entry(header, header_list, list) {
4166 if (header->id != header_id)
4167 continue;
4168 return header->name;
4169 }
4170 return NULL;
4171 }
4172
4173 static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
4174 uint32_t header_id,
4175 uint32_t field_id, bool global)
4176 {
4177 struct list_head *header_list;
4178 struct dpipe_header *header;
4179
4180 if (global)
4181 header_list = &ctx->global_headers;
4182 else
4183 header_list = &ctx->local_headers;
4184 list_for_each_entry(header, header_list, list) {
4185 if (header->id != header_id)
4186 continue;
4187 return header->fields[field_id].name;
4188 }
4189 return NULL;
4190 }
4191
4192 static const char *
4193 dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
4194 {
4195 switch (mapping_type) {
4196 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
4197 return NULL;
4198 case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
4199 return "ifindex";
4200 default:
4201 return "<unknown>";
4202 }
4203 }
4204
4205 static const char *
4206 dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
4207 uint32_t field_id, bool global)
4208 {
4209 enum devlink_dpipe_field_mapping_type mapping_type;
4210 struct list_head *header_list;
4211 struct dpipe_header *header;
4212
4213 if (global)
4214 header_list = &ctx->global_headers;
4215 else
4216 header_list = &ctx->local_headers;
4217 list_for_each_entry(header, header_list, list) {
4218 if (header->id != header_id)
4219 continue;
4220 mapping_type = header->fields[field_id].mapping_type;
4221 return dpipe_field_mapping_e2s(mapping_type);
4222 }
4223 return NULL;
4224 }
4225
4226 static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
4227 struct dpipe_field *fields,
4228 unsigned int field_count)
4229 {
4230 struct dpipe_field *field;
4231 int i;
4232
4233 for (i = 0; i < field_count; i++) {
4234 field = &fields[i];
4235 pr_out_entry_start(ctx->dl);
4236 pr_out_str(ctx->dl, "name", field->name);
4237 if (ctx->dl->verbose)
4238 pr_out_uint(ctx->dl, "id", field->id);
4239 pr_out_uint(ctx->dl, "bitwidth", field->bitwidth);
4240 if (field->mapping_type)
4241 pr_out_str(ctx->dl, "mapping_type",
4242 dpipe_field_mapping_e2s(field->mapping_type));
4243 pr_out_entry_end(ctx->dl);
4244 }
4245 }
4246
4247 static void
4248 pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
4249 struct dpipe_header *header, bool global)
4250 {
4251 pr_out_handle_start_arr(ctx->dl, tb);
4252 pr_out_str(ctx->dl, "name", header->name);
4253 if (ctx->dl->verbose) {
4254 pr_out_uint(ctx->dl, "id", header->id);
4255 pr_out_str(ctx->dl, "global",
4256 global ? "true" : "false");
4257 }
4258 pr_out_array_start(ctx->dl, "field");
4259 pr_out_dpipe_fields(ctx, header->fields,
4260 header->fields_count);
4261 pr_out_array_end(ctx->dl);
4262 pr_out_handle_end(ctx->dl);
4263 }
4264
4265 static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
4266 struct nlattr **tb)
4267 {
4268 struct dpipe_header *header;
4269
4270 list_for_each_entry(header, &ctx->local_headers, list)
4271 pr_out_dpipe_header(ctx, tb, header, false);
4272
4273 list_for_each_entry(header, &ctx->global_headers, list)
4274 pr_out_dpipe_header(ctx, tb, header, true);
4275 }
4276
4277 static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
4278 {
4279 struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
4280 const char *name;
4281 int err;
4282
4283 err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
4284 if (err != MNL_CB_OK)
4285 return -EINVAL;
4286 if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
4287 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
4288 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
4289 !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
4290 return -EINVAL;
4291
4292 name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
4293 field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4294 field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
4295 field->name = strdup(name);
4296 if (!field->name)
4297 return -ENOMEM;
4298 field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
4299 return 0;
4300 }
4301
4302 static int dpipe_header_fields_get(struct nlattr *nla_fields,
4303 struct dpipe_field *fields)
4304 {
4305 struct nlattr *nla_field;
4306 int count = 0;
4307 int err;
4308
4309 mnl_attr_for_each_nested(nla_field, nla_fields) {
4310 err = dpipe_header_field_get(nla_field, &fields[count]);
4311 if (err)
4312 return err;
4313 count++;
4314 }
4315 return 0;
4316 }
4317
4318 static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
4319 {
4320 struct nlattr *nla_field;
4321 unsigned int count = 0;
4322
4323 mnl_attr_for_each_nested(nla_field, nla_fields)
4324 count++;
4325 return count;
4326 }
4327
4328 static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
4329 {
4330 struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
4331 struct dpipe_header *header;
4332 unsigned int fields_count;
4333 const char *header_name;
4334 bool global;
4335 int err;
4336
4337 err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
4338 if (err != MNL_CB_OK)
4339 return -EINVAL;
4340
4341 if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
4342 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4343 !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
4344 return -EINVAL;
4345
4346 fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
4347 header = dpipe_header_alloc(fields_count);
4348 if (!header)
4349 return -ENOMEM;
4350
4351 header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
4352 header->name = strdup(header_name);
4353 header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4354 header->fields_count = fields_count;
4355 global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4356
4357 err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
4358 header->fields);
4359 if (err)
4360 goto err_field_get;
4361 dpipe_header_add(ctx, header, global);
4362 return 0;
4363
4364 err_field_get:
4365 dpipe_header_free(header);
4366 return err;
4367 }
4368
4369 static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
4370 {
4371 struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
4372 struct nlattr *nla_header;
4373 int err;
4374
4375 mnl_attr_for_each_nested(nla_header, nla_headers) {
4376 err = dpipe_header_get(ctx, nla_header);
4377 if (err)
4378 return err;
4379 }
4380 return 0;
4381 }
4382
4383 static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
4384 {
4385 struct dpipe_ctx *ctx = data;
4386 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4387 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4388 int err;
4389
4390 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4391 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4392 !tb[DEVLINK_ATTR_DPIPE_HEADERS])
4393 return MNL_CB_ERROR;
4394 err = dpipe_headers_get(ctx, tb);
4395 if (err) {
4396 ctx->err = err;
4397 return MNL_CB_ERROR;
4398 }
4399
4400 if (ctx->print_headers)
4401 pr_out_dpipe_headers(ctx, tb);
4402 return MNL_CB_OK;
4403 }
4404
4405 static int cmd_dpipe_headers_show(struct dl *dl)
4406 {
4407 struct nlmsghdr *nlh;
4408 struct dpipe_ctx ctx = {};
4409 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
4410 int err;
4411
4412 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4413
4414 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
4415 if (err)
4416 return err;
4417
4418 err = dpipe_ctx_init(&ctx, dl);
4419 if (err)
4420 return err;
4421
4422 ctx.print_headers = true;
4423
4424 pr_out_section_start(dl, "header");
4425 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
4426 if (err)
4427 pr_err("error get headers %s\n", strerror(ctx.err));
4428 pr_out_section_end(dl);
4429
4430 dpipe_ctx_fini(&ctx);
4431 return err;
4432 }
4433
4434 static void cmd_dpipe_header_help(void)
4435 {
4436 pr_err("Usage: devlink dpipe headers show DEV\n");
4437 }
4438
4439 static int cmd_dpipe_header(struct dl *dl)
4440 {
4441 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
4442 cmd_dpipe_header_help();
4443 return 0;
4444 } else if (dl_argv_match(dl, "show")) {
4445 dl_arg_inc(dl);
4446 return cmd_dpipe_headers_show(dl);
4447 }
4448 pr_err("Command \"%s\" not found\n", dl_argv(dl));
4449 return -ENOENT;
4450 }
4451
4452 static const char
4453 *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
4454 {
4455 switch (action_type) {
4456 case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
4457 return "field_modify";
4458 default:
4459 return "<unknown>";
4460 }
4461 }
4462
4463 struct dpipe_op_info {
4464 uint32_t header_id;
4465 uint32_t field_id;
4466 bool header_global;
4467 };
4468
4469 struct dpipe_action {
4470 struct dpipe_op_info info;
4471 uint32_t type;
4472 };
4473
4474 static void pr_out_dpipe_action(struct dpipe_action *action,
4475 struct dpipe_ctx *ctx)
4476 {
4477 struct dpipe_op_info *op_info = &action->info;
4478 const char *mapping;
4479
4480 pr_out_str(ctx->dl, "type",
4481 dpipe_action_type_e2s(action->type));
4482 pr_out_str(ctx->dl, "header",
4483 dpipe_header_id2s(ctx, op_info->header_id,
4484 op_info->header_global));
4485 pr_out_str(ctx->dl, "field",
4486 dpipe_field_id2s(ctx, op_info->header_id,
4487 op_info->field_id,
4488 op_info->header_global));
4489 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4490 op_info->field_id,
4491 op_info->header_global);
4492 if (mapping)
4493 pr_out_str(ctx->dl, "mapping", mapping);
4494 }
4495
4496 static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
4497 {
4498 struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
4499 int err;
4500
4501 err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
4502 if (err != MNL_CB_OK)
4503 return -EINVAL;
4504
4505 if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
4506 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4507 !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4508 !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4509 return -EINVAL;
4510 }
4511
4512 action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
4513 action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4514 action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4515 action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4516
4517 return 0;
4518 }
4519
4520 static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
4521 struct nlattr *nla_actions)
4522 {
4523 struct nlattr *nla_action;
4524 struct dpipe_action action;
4525
4526 mnl_attr_for_each_nested(nla_action, nla_actions) {
4527 pr_out_entry_start(ctx->dl);
4528 if (dpipe_action_parse(&action, nla_action))
4529 goto err_action_parse;
4530 pr_out_dpipe_action(&action, ctx);
4531 pr_out_entry_end(ctx->dl);
4532 }
4533 return 0;
4534
4535 err_action_parse:
4536 pr_out_entry_end(ctx->dl);
4537 return -EINVAL;
4538 }
4539
4540 static const char *
4541 dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
4542 {
4543 switch (match_type) {
4544 case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
4545 return "field_exact";
4546 default:
4547 return "<unknown>";
4548 }
4549 }
4550
4551 struct dpipe_match {
4552 struct dpipe_op_info info;
4553 uint32_t type;
4554 };
4555
4556 static void pr_out_dpipe_match(struct dpipe_match *match,
4557 struct dpipe_ctx *ctx)
4558 {
4559 struct dpipe_op_info *op_info = &match->info;
4560 const char *mapping;
4561
4562 pr_out_str(ctx->dl, "type",
4563 dpipe_match_type_e2s(match->type));
4564 pr_out_str(ctx->dl, "header",
4565 dpipe_header_id2s(ctx, op_info->header_id,
4566 op_info->header_global));
4567 pr_out_str(ctx->dl, "field",
4568 dpipe_field_id2s(ctx, op_info->header_id,
4569 op_info->field_id,
4570 op_info->header_global));
4571 mapping = dpipe_mapping_get(ctx, op_info->header_id,
4572 op_info->field_id,
4573 op_info->header_global);
4574 if (mapping)
4575 pr_out_str(ctx->dl, "mapping", mapping);
4576 }
4577
4578 static int dpipe_match_parse(struct dpipe_match *match,
4579 struct nlattr *nl)
4580
4581 {
4582 struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
4583 int err;
4584
4585 err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
4586 if (err != MNL_CB_OK)
4587 return -EINVAL;
4588
4589 if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
4590 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
4591 !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
4592 !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
4593 return -EINVAL;
4594 }
4595
4596 match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
4597 match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
4598 match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
4599 match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
4600
4601 return 0;
4602 }
4603
4604 static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
4605 struct nlattr *nla_matches)
4606 {
4607 struct nlattr *nla_match;
4608 struct dpipe_match match;
4609
4610 mnl_attr_for_each_nested(nla_match, nla_matches) {
4611 pr_out_entry_start(ctx->dl);
4612 if (dpipe_match_parse(&match, nla_match))
4613 goto err_match_parse;
4614 pr_out_dpipe_match(&match, ctx);
4615 pr_out_entry_end(ctx->dl);
4616 }
4617 return 0;
4618
4619 err_match_parse:
4620 pr_out_entry_end(ctx->dl);
4621 return -EINVAL;
4622 }
4623
4624 static struct resource *
4625 resource_find(struct resources *resources, struct resource *resource,
4626 uint64_t resource_id)
4627 {
4628 struct list_head *list_head;
4629
4630 if (!resource)
4631 list_head = &resources->resource_list;
4632 else
4633 list_head = &resource->resource_list;
4634
4635 list_for_each_entry(resource, list_head, list) {
4636 struct resource *child_resource;
4637
4638 if (resource->id == resource_id)
4639 return resource;
4640
4641 child_resource = resource_find(resources, resource,
4642 resource_id);
4643 if (child_resource)
4644 return child_resource;
4645 }
4646 return NULL;
4647 }
4648
4649 static void
4650 resource_path_print(struct dl *dl, struct resources *resources,
4651 uint64_t resource_id)
4652 {
4653 struct resource *resource, *parent_resource;
4654 const char del[] = "/";
4655 int path_len = 0;
4656 char *path;
4657
4658 resource = resource_find(resources, NULL, resource_id);
4659 if (!resource)
4660 return;
4661
4662 for (parent_resource = resource; parent_resource;
4663 parent_resource = parent_resource->parent)
4664 path_len += strlen(parent_resource->name) + 1;
4665
4666 path_len++;
4667 path = calloc(1, path_len);
4668 if (!path)
4669 return;
4670
4671 path += path_len - 1;
4672 for (parent_resource = resource; parent_resource;
4673 parent_resource = parent_resource->parent) {
4674 path -= strlen(parent_resource->name);
4675 memcpy(path, parent_resource->name,
4676 strlen(parent_resource->name));
4677 path -= strlen(del);
4678 memcpy(path, del, strlen(del));
4679 }
4680 pr_out_str(dl, "resource_path", path);
4681 free(path);
4682 }
4683
4684 static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
4685 {
4686 struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
4687 struct dpipe_table *table;
4688 uint32_t resource_units;
4689 bool counters_enabled;
4690 bool resource_valid;
4691 uint32_t size;
4692 int err;
4693
4694 err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
4695 if (err != MNL_CB_OK)
4696 return -EINVAL;
4697
4698 if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
4699 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
4700 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
4701 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
4702 !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
4703 return -EINVAL;
4704 }
4705
4706 table = dpipe_table_alloc();
4707 if (!table)
4708 return -ENOMEM;
4709
4710 table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
4711 size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
4712 counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
4713
4714 resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
4715 ctx->resources;
4716 if (resource_valid) {
4717 table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
4718 table->resource_valid = true;
4719 }
4720
4721 list_add_tail(&table->list, &ctx->tables->table_list);
4722 if (!ctx->print_tables)
4723 return 0;
4724
4725 pr_out_str(ctx->dl, "name", table->name);
4726 pr_out_uint(ctx->dl, "size", size);
4727 pr_out_str(ctx->dl, "counters_enabled",
4728 counters_enabled ? "true" : "false");
4729
4730 if (resource_valid) {
4731 resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
4732 resource_path_print(ctx->dl, ctx->resources,
4733 table->resource_id);
4734 pr_out_uint(ctx->dl, "resource_units", resource_units);
4735 }
4736
4737 pr_out_array_start(ctx->dl, "match");
4738 if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
4739 goto err_matches_show;
4740 pr_out_array_end(ctx->dl);
4741
4742 pr_out_array_start(ctx->dl, "action");
4743 if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
4744 goto err_actions_show;
4745 pr_out_array_end(ctx->dl);
4746
4747 return 0;
4748
4749 err_actions_show:
4750 err_matches_show:
4751 pr_out_array_end(ctx->dl);
4752 return -EINVAL;
4753 }
4754
4755 static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
4756 {
4757 struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
4758 struct nlattr *nla_table;
4759
4760 mnl_attr_for_each_nested(nla_table, nla_tables) {
4761 if (ctx->print_tables)
4762 pr_out_handle_start_arr(ctx->dl, tb);
4763 if (dpipe_table_show(ctx, nla_table))
4764 goto err_table_show;
4765 if (ctx->print_tables)
4766 pr_out_handle_end(ctx->dl);
4767 }
4768 return 0;
4769
4770 err_table_show:
4771 if (ctx->print_tables)
4772 pr_out_handle_end(ctx->dl);
4773 return -EINVAL;
4774 }
4775
4776 static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
4777 {
4778 struct dpipe_ctx *ctx = data;
4779 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
4780 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
4781
4782 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
4783 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
4784 !tb[DEVLINK_ATTR_DPIPE_TABLES])
4785 return MNL_CB_ERROR;
4786
4787 if (dpipe_tables_show(ctx, tb))
4788 return MNL_CB_ERROR;
4789 return MNL_CB_OK;
4790 }
4791
4792 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
4793
4794 static int cmd_dpipe_table_show(struct dl *dl)
4795 {
4796 struct nlmsghdr *nlh;
4797 struct dpipe_ctx dpipe_ctx = {};
4798 struct resource_ctx resource_ctx = {};
4799 uint16_t flags = NLM_F_REQUEST;
4800 int err;
4801
4802 err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
4803 if (err)
4804 return err;
4805
4806 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
4807
4808 err = dpipe_ctx_init(&dpipe_ctx, dl);
4809 if (err)
4810 return err;
4811
4812 dpipe_ctx.print_tables = true;
4813
4814 dl_opts_put(nlh, dl);
4815 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
4816 &dpipe_ctx);
4817 if (err) {
4818 pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
4819 goto err_headers_get;
4820 }
4821
4822 err = resource_ctx_init(&resource_ctx, dl);
4823 if (err)
4824 goto err_resource_ctx_init;
4825
4826 resource_ctx.print_resources = false;
4827 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
4828 dl_opts_put(nlh, dl);
4829 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
4830 &resource_ctx);
4831 if (!err)
4832 dpipe_ctx.resources = resource_ctx.resources;
4833
4834 flags = NLM_F_REQUEST | NLM_F_ACK;
4835 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
4836 dl_opts_put(nlh, dl);
4837
4838 pr_out_section_start(dl, "table");
4839 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
4840 pr_out_section_end(dl);
4841
4842 resource_ctx_fini(&resource_ctx);
4843 dpipe_ctx_fini(&dpipe_ctx);
4844 return 0;
4845
4846 err_resource_ctx_init:
4847 err_headers_get:
4848 dpipe_ctx_fini(&dpipe_ctx);
4849 return err;
4850 }
4851
4852 static int cmd_dpipe_table_set(struct dl *dl)
4853 {
4854 struct nlmsghdr *nlh;
4855 int err;
4856
4857 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
4858 NLM_F_REQUEST | NLM_F_ACK);
4859
4860 err = dl_argv_parse_put(nlh, dl,
4861 DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
4862 DL_OPT_DPIPE_TABLE_COUNTERS, 0);
4863 if (err)
4864 return err;
4865
4866 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
4867 }
4868
4869 enum dpipe_value_type {
4870 DPIPE_VALUE_TYPE_VALUE,
4871 DPIPE_VALUE_TYPE_MASK,
4872 };
4873
4874 static const char *
4875 dpipe_value_type_e2s(enum dpipe_value_type type)
4876 {
4877 switch (type) {
4878 case DPIPE_VALUE_TYPE_VALUE:
4879 return "value";
4880 case DPIPE_VALUE_TYPE_MASK:
4881 return "value_mask";
4882 default:
4883 return "<unknown>";
4884 }
4885 }
4886
4887 struct dpipe_field_printer {
4888 unsigned int field_id;
4889 void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
4890 };
4891
4892 struct dpipe_header_printer {
4893 struct dpipe_field_printer *printers;
4894 unsigned int printers_count;
4895 unsigned int header_id;
4896 };
4897
4898 static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
4899 enum dpipe_value_type type,
4900 void *value)
4901 {
4902 struct in_addr ip_addr;
4903
4904 ip_addr.s_addr = htonl(*(uint32_t *)value);
4905 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
4906 }
4907
4908 static void
4909 dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
4910 enum dpipe_value_type type,
4911 void *value)
4912 {
4913 pr_out_str(ctx->dl, dpipe_value_type_e2s(type),
4914 ether_ntoa((struct ether_addr *)value));
4915 }
4916
4917 static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
4918 enum dpipe_value_type type,
4919 void *value)
4920 {
4921 char str[INET6_ADDRSTRLEN];
4922
4923 inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
4924 pr_out_str(ctx->dl, dpipe_value_type_e2s(type), str);
4925 }
4926
4927 static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
4928 {
4929 .printer = dpipe_field_printer_ipv4_addr,
4930 .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
4931 }
4932 };
4933
4934 static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
4935 .printers = dpipe_field_printers_ipv4,
4936 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
4937 .header_id = DEVLINK_DPIPE_HEADER_IPV4,
4938 };
4939
4940 static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
4941 {
4942 .printer = dpipe_field_printer_ethernet_addr,
4943 .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
4944 },
4945 };
4946
4947 static struct dpipe_header_printer dpipe_header_printer_ethernet = {
4948 .printers = dpipe_field_printers_ethernet,
4949 .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
4950 .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
4951 };
4952
4953 static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
4954 {
4955 .printer = dpipe_field_printer_ipv6_addr,
4956 .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
4957 }
4958 };
4959
4960 static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
4961 .printers = dpipe_field_printers_ipv6,
4962 .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
4963 .header_id = DEVLINK_DPIPE_HEADER_IPV6,
4964 };
4965
4966 static struct dpipe_header_printer *dpipe_header_printers[] = {
4967 &dpipe_header_printer_ipv4,
4968 &dpipe_header_printer_ethernet,
4969 &dpipe_header_printer_ipv6,
4970 };
4971
4972 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
4973 struct dpipe_op_info *info,
4974 enum dpipe_value_type type,
4975 void *value)
4976 {
4977 unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
4978 struct dpipe_header_printer *header_printer;
4979 struct dpipe_field_printer *field_printer;
4980 unsigned int field_printers_count;
4981 int j;
4982 int i;
4983
4984 for (i = 0; i < header_printers_count; i++) {
4985 header_printer = dpipe_header_printers[i];
4986 if (header_printer->header_id != info->header_id)
4987 continue;
4988 field_printers_count = header_printer->printers_count;
4989 for (j = 0; j < field_printers_count; j++) {
4990 field_printer = &header_printer->printers[j];
4991 if (field_printer->field_id != info->field_id)
4992 continue;
4993 field_printer->printer(ctx, type, value);
4994 return 0;
4995 }
4996 }
4997
4998 return -EINVAL;
4999 }
5000
5001 static void __pr_out_entry_value(struct dpipe_ctx *ctx,
5002 void *value,
5003 unsigned int value_len,
5004 struct dpipe_op_info *info,
5005 enum dpipe_value_type type)
5006 {
5007 if (info->header_global &&
5008 !dpipe_print_prot_header(ctx, info, type, value))
5009 return;
5010
5011 if (value_len == sizeof(uint32_t)) {
5012 uint32_t *value_32 = value;
5013
5014 pr_out_uint(ctx->dl, dpipe_value_type_e2s(type), *value_32);
5015 }
5016 }
5017
5018 static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
5019 struct nlattr **nla_match_value,
5020 struct dpipe_op_info *info)
5021 {
5022 void *value, *value_mask;
5023 uint32_t value_mapping;
5024 uint16_t value_len;
5025 bool mask, mapping;
5026
5027 mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
5028 mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
5029
5030 value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5031 value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5032
5033 if (mapping) {
5034 value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
5035 pr_out_uint(ctx->dl, "mapping_value", value_mapping);
5036 }
5037
5038 if (mask) {
5039 value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
5040 __pr_out_entry_value(ctx, value_mask, value_len, info,
5041 DPIPE_VALUE_TYPE_MASK);
5042 }
5043
5044 __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
5045 }
5046
5047 static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
5048 struct nlattr *nl)
5049 {
5050 struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
5051 struct dpipe_match match;
5052 int err;
5053
5054 err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
5055 if (err != MNL_CB_OK)
5056 return -EINVAL;
5057
5058 if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
5059 !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5060 return -EINVAL;
5061 }
5062
5063 pr_out_entry_start(ctx->dl);
5064 if (dpipe_match_parse(&match,
5065 nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
5066 goto err_match_parse;
5067 pr_out_dpipe_match(&match, ctx);
5068 pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
5069 pr_out_entry_end(ctx->dl);
5070
5071 return 0;
5072
5073 err_match_parse:
5074 pr_out_entry_end(ctx->dl);
5075 return -EINVAL;
5076 }
5077
5078 static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
5079 struct nlattr *nl)
5080 {
5081 struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
5082 struct dpipe_action action;
5083 int err;
5084
5085 err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
5086 if (err != MNL_CB_OK)
5087 return -EINVAL;
5088
5089 if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
5090 !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
5091 return -EINVAL;
5092 }
5093
5094 pr_out_entry_start(ctx->dl);
5095 if (dpipe_action_parse(&action,
5096 nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
5097 goto err_action_parse;
5098 pr_out_dpipe_action(&action, ctx);
5099 pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
5100 pr_out_entry_end(ctx->dl);
5101
5102 return 0;
5103
5104 err_action_parse:
5105 pr_out_entry_end(ctx->dl);
5106 return -EINVAL;
5107 }
5108
5109 static int
5110 dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
5111 struct nlattr *nla_action_values)
5112 {
5113 struct nlattr *nla_action_value;
5114
5115 mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
5116 if (dpipe_entry_action_value_show(ctx, nla_action_value))
5117 return -EINVAL;
5118 }
5119 return 0;
5120 }
5121
5122 static int
5123 dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
5124 struct nlattr *nla_match_values)
5125 {
5126 struct nlattr *nla_match_value;
5127
5128 mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
5129 if (dpipe_entry_match_value_show(ctx, nla_match_value))
5130 return -EINVAL;
5131 }
5132 return 0;
5133 }
5134
5135 static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
5136 {
5137 struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
5138 uint32_t entry_index;
5139 uint64_t counter;
5140 int err;
5141
5142 err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
5143 if (err != MNL_CB_OK)
5144 return -EINVAL;
5145
5146 if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
5147 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
5148 !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
5149 return -EINVAL;
5150 }
5151
5152 entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
5153 pr_out_uint(ctx->dl, "index", entry_index);
5154
5155 if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
5156 counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
5157 pr_out_uint(ctx->dl, "counter", counter);
5158 }
5159
5160 pr_out_array_start(ctx->dl, "match_value");
5161 if (dpipe_tables_match_values_show(ctx,
5162 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
5163 goto err_match_values_show;
5164 pr_out_array_end(ctx->dl);
5165
5166 pr_out_array_start(ctx->dl, "action_value");
5167 if (dpipe_tables_action_values_show(ctx,
5168 nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
5169 goto err_action_values_show;
5170 pr_out_array_end(ctx->dl);
5171 return 0;
5172
5173 err_action_values_show:
5174 err_match_values_show:
5175 pr_out_array_end(ctx->dl);
5176 return -EINVAL;
5177 }
5178
5179 static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
5180 {
5181 struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
5182 struct nlattr *nla_entry;
5183
5184 mnl_attr_for_each_nested(nla_entry, nla_entries) {
5185 pr_out_handle_start_arr(ctx->dl, tb);
5186 if (dpipe_entry_show(ctx, nla_entry))
5187 goto err_entry_show;
5188 pr_out_handle_end(ctx->dl);
5189 }
5190 return 0;
5191
5192 err_entry_show:
5193 pr_out_handle_end(ctx->dl);
5194 return -EINVAL;
5195 }
5196
5197 static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
5198 {
5199 struct dpipe_ctx *ctx = data;
5200 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5201 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5202
5203 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5204 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5205 !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
5206 return MNL_CB_ERROR;
5207
5208 if (dpipe_table_entries_show(ctx, tb))
5209 return MNL_CB_ERROR;
5210 return MNL_CB_OK;
5211 }
5212
5213 static int cmd_dpipe_table_dump(struct dl *dl)
5214 {
5215 struct nlmsghdr *nlh;
5216 struct dpipe_ctx ctx = {};
5217 uint16_t flags = NLM_F_REQUEST;
5218 int err;
5219
5220 err = dpipe_ctx_init(&ctx, dl);
5221 if (err)
5222 return err;
5223
5224 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
5225 if (err)
5226 goto out;
5227
5228 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
5229 dl_opts_put(nlh, dl);
5230 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
5231 if (err) {
5232 pr_err("error get headers %s\n", strerror(ctx.err));
5233 goto out;
5234 }
5235
5236 flags = NLM_F_REQUEST | NLM_F_ACK;
5237 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
5238 dl_opts_put(nlh, dl);
5239
5240 pr_out_section_start(dl, "table_entry");
5241 _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
5242 pr_out_section_end(dl);
5243 out:
5244 dpipe_ctx_fini(&ctx);
5245 return err;
5246 }
5247
5248 static void cmd_dpipe_table_help(void)
5249 {
5250 pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
5251 "where OBJECT-LIST := { show | set | dump }\n");
5252 }
5253
5254 static int cmd_dpipe_table(struct dl *dl)
5255 {
5256 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5257 cmd_dpipe_table_help();
5258 return 0;
5259 } else if (dl_argv_match(dl, "show")) {
5260 dl_arg_inc(dl);
5261 return cmd_dpipe_table_show(dl);
5262 } else if (dl_argv_match(dl, "set")) {
5263 dl_arg_inc(dl);
5264 return cmd_dpipe_table_set(dl);
5265 } else if (dl_argv_match(dl, "dump")) {
5266 dl_arg_inc(dl);
5267 return cmd_dpipe_table_dump(dl);
5268 }
5269 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5270 return -ENOENT;
5271 }
5272
5273 static void cmd_dpipe_help(void)
5274 {
5275 pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
5276 "where OBJECT-LIST := { header | table }\n");
5277 }
5278
5279 static int cmd_dpipe(struct dl *dl)
5280 {
5281 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5282 cmd_dpipe_help();
5283 return 0;
5284 } else if (dl_argv_match(dl, "header")) {
5285 dl_arg_inc(dl);
5286 return cmd_dpipe_header(dl);
5287 } else if (dl_argv_match(dl, "table")) {
5288 dl_arg_inc(dl);
5289 return cmd_dpipe_table(dl);
5290 }
5291 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5292 return -ENOENT;
5293 }
5294
5295 static int
5296 resource_parse(struct resource_ctx *ctx, struct resource *resource,
5297 struct nlattr **nla_resource)
5298 {
5299 if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
5300 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
5301 !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
5302 !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
5303 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
5304 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
5305 !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
5306 return -EINVAL;
5307 }
5308
5309 resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
5310 resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
5311 resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
5312 resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
5313 resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
5314 resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
5315 resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
5316
5317 if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
5318 resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
5319 else
5320 resource->size_new = resource->size;
5321
5322 if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
5323 resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
5324 resource->occ_valid = true;
5325 }
5326
5327 if (resource->size_new != resource->size)
5328 ctx->pending_change = true;
5329
5330 return 0;
5331 }
5332
5333 static int
5334 resource_get(struct resource_ctx *ctx, struct resource *resource,
5335 struct resource *parent_resource, struct nlattr *nl)
5336 {
5337 struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
5338 struct nlattr *nla_child_resource;
5339 struct nlattr *nla_resources;
5340 bool top = false;
5341 int err;
5342
5343 if (!resource) {
5344 nla_resources = nl;
5345 top = true;
5346 goto out;
5347 }
5348
5349 err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
5350 if (err != MNL_CB_OK)
5351 return -EINVAL;
5352
5353 err = resource_parse(ctx, resource, nla_resource);
5354 if (err)
5355 return err;
5356
5357 resource->parent = parent_resource;
5358 if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
5359 return 0;
5360
5361 resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
5362 nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
5363 out:
5364 mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
5365 struct resource *child_resource;
5366 struct list_head *list;
5367
5368 child_resource = resource_alloc();
5369 if (!child_resource)
5370 return -ENOMEM;
5371
5372 if (top)
5373 list = &ctx->resources->resource_list;
5374 else
5375 list = &resource->resource_list;
5376
5377 list_add_tail(&child_resource->list, list);
5378 err = resource_get(ctx, child_resource, resource,
5379 nla_child_resource);
5380 if (err)
5381 return err;
5382 }
5383
5384 return 0;
5385 }
5386
5387 static const char *resource_unit_str_get(enum devlink_resource_unit unit)
5388 {
5389 switch (unit) {
5390 case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
5391 default: return "<unknown unit>";
5392 }
5393 }
5394
5395 static void resource_show(struct resource *resource,
5396 struct resource_ctx *ctx)
5397 {
5398 struct resource *child_resource;
5399 struct dpipe_table *table;
5400 struct dl *dl = ctx->dl;
5401 bool array = false;
5402
5403 pr_out_str(dl, "name", resource->name);
5404 if (dl->verbose)
5405 resource_path_print(dl, ctx->resources, resource->id);
5406 pr_out_u64(dl, "size", resource->size);
5407 if (resource->size != resource->size_new)
5408 pr_out_u64(dl, "size_new", resource->size_new);
5409 if (resource->occ_valid)
5410 pr_out_uint(dl, "occ", resource->size_occ);
5411 pr_out_str(dl, "unit", resource_unit_str_get(resource->unit));
5412
5413 if (resource->size_min != resource->size_max) {
5414 pr_out_uint(dl, "size_min", resource->size_min);
5415 pr_out_u64(dl, "size_max", resource->size_max);
5416 pr_out_uint(dl, "size_gran", resource->size_gran);
5417 }
5418
5419 list_for_each_entry(table, &ctx->tables->table_list, list)
5420 if (table->resource_id == resource->id &&
5421 table->resource_valid)
5422 array = true;
5423
5424 if (array)
5425 pr_out_array_start(dl, "dpipe_tables");
5426 else
5427 pr_out_str(dl, "dpipe_tables", "none");
5428
5429 list_for_each_entry(table, &ctx->tables->table_list, list) {
5430 if (table->resource_id != resource->id ||
5431 !table->resource_valid)
5432 continue;
5433 pr_out_entry_start(dl);
5434 pr_out_str(dl, "table_name", table->name);
5435 pr_out_entry_end(dl);
5436 }
5437 if (array)
5438 pr_out_array_end(dl);
5439
5440 if (list_empty(&resource->resource_list))
5441 return;
5442
5443 if (ctx->pending_change)
5444 pr_out_str(dl, "size_valid", resource->size_valid ?
5445 "true" : "false");
5446 pr_out_array_start(dl, "resources");
5447 list_for_each_entry(child_resource, &resource->resource_list, list) {
5448 pr_out_entry_start(dl);
5449 resource_show(child_resource, ctx);
5450 pr_out_entry_end(dl);
5451 }
5452 pr_out_array_end(dl);
5453 }
5454
5455 static void
5456 resources_show(struct resource_ctx *ctx, struct nlattr **tb)
5457 {
5458 struct resources *resources = ctx->resources;
5459 struct resource *resource;
5460
5461 list_for_each_entry(resource, &resources->resource_list, list) {
5462 pr_out_handle_start_arr(ctx->dl, tb);
5463 resource_show(resource, ctx);
5464 pr_out_handle_end(ctx->dl);
5465 }
5466 }
5467
5468 static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
5469 {
5470 return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
5471 }
5472
5473 static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
5474 {
5475 struct resource_ctx *ctx = data;
5476 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5477 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5478 int err;
5479
5480 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5481 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5482 !tb[DEVLINK_ATTR_RESOURCE_LIST])
5483 return MNL_CB_ERROR;
5484
5485 err = resources_get(ctx, tb);
5486 if (err) {
5487 ctx->err = err;
5488 return MNL_CB_ERROR;
5489 }
5490
5491 if (ctx->print_resources)
5492 resources_show(ctx, tb);
5493
5494 return MNL_CB_OK;
5495 }
5496
5497 static int cmd_resource_show(struct dl *dl)
5498 {
5499 struct nlmsghdr *nlh;
5500 struct dpipe_ctx dpipe_ctx = {};
5501 struct resource_ctx resource_ctx = {};
5502 int err;
5503
5504 err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
5505 if (err)
5506 return err;
5507
5508 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
5509 NLM_F_REQUEST);
5510 dl_opts_put(nlh, dl);
5511
5512 err = dpipe_ctx_init(&dpipe_ctx, dl);
5513 if (err)
5514 return err;
5515
5516 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
5517 &dpipe_ctx);
5518 if (err) {
5519 pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
5520 goto out;
5521 }
5522
5523 err = resource_ctx_init(&resource_ctx, dl);
5524 if (err)
5525 goto out;
5526
5527 resource_ctx.print_resources = true;
5528 resource_ctx.tables = dpipe_ctx.tables;
5529 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5530 NLM_F_REQUEST | NLM_F_ACK);
5531 dl_opts_put(nlh, dl);
5532 pr_out_section_start(dl, "resources");
5533 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
5534 &resource_ctx);
5535 pr_out_section_end(dl);
5536 resource_ctx_fini(&resource_ctx);
5537 out:
5538 dpipe_ctx_fini(&dpipe_ctx);
5539 return err;
5540 }
5541
5542 static void cmd_resource_help(void)
5543 {
5544 pr_err("Usage: devlink resource show DEV\n"
5545 " devlink resource set DEV path PATH size SIZE\n");
5546 }
5547
5548 static struct resource *
5549 resource_find_by_name(struct list_head *list, char *name)
5550 {
5551 struct resource *resource;
5552
5553 list_for_each_entry(resource, list, list) {
5554 if (!strcmp(resource->name, name))
5555 return resource;
5556 }
5557 return NULL;
5558 }
5559
5560 static int
5561 resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
5562 uint32_t *p_resource_id, bool *p_resource_valid)
5563 {
5564 struct resource *resource;
5565 uint32_t resource_id = 0;
5566 char *resource_path_dup;
5567 struct list_head *list;
5568 const char del[] = "/";
5569 char *resource_name;
5570
5571 resource_path_dup = strdup(resource_path);
5572 list = &ctx->resources->resource_list;
5573 resource_name = strtok(resource_path_dup, del);
5574 while (resource_name != NULL) {
5575 resource = resource_find_by_name(list, resource_name);
5576 if (!resource)
5577 goto err_resource_lookup;
5578
5579 list = &resource->resource_list;
5580 resource_name = strtok(NULL, del);
5581 resource_id = resource->id;
5582 }
5583 free(resource_path_dup);
5584 *p_resource_valid = true;
5585 *p_resource_id = resource_id;
5586 return 0;
5587
5588 err_resource_lookup:
5589 free(resource_path_dup);
5590 return -EINVAL;
5591 }
5592
5593 static int cmd_resource_set(struct dl *dl)
5594 {
5595 struct nlmsghdr *nlh;
5596 struct resource_ctx ctx = {};
5597 int err;
5598
5599 err = resource_ctx_init(&ctx, dl);
5600 if (err)
5601 return err;
5602
5603 ctx.print_resources = false;
5604 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
5605 DL_OPT_RESOURCE_SIZE, 0);
5606 if (err)
5607 goto out;
5608
5609 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
5610 NLM_F_REQUEST);
5611 dl_opts_put(nlh, dl);
5612 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
5613 if (err) {
5614 pr_err("error getting resources %s\n", strerror(ctx.err));
5615 goto out;
5616 }
5617
5618 err = resource_path_parse(&ctx, dl->opts.resource_path,
5619 &dl->opts.resource_id,
5620 &dl->opts.resource_id_valid);
5621 if (err) {
5622 pr_err("error parsing resource path %s\n", strerror(-err));
5623 goto out;
5624 }
5625
5626 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
5627 NLM_F_REQUEST | NLM_F_ACK);
5628
5629 dl_opts_put(nlh, dl);
5630 err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5631 out:
5632 resource_ctx_fini(&ctx);
5633 return err;
5634 }
5635
5636 static int cmd_resource(struct dl *dl)
5637 {
5638 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
5639 cmd_resource_help();
5640 return 0;
5641 } else if (dl_argv_match(dl, "show")) {
5642 dl_arg_inc(dl);
5643 return cmd_resource_show(dl);
5644 } else if (dl_argv_match(dl, "set")) {
5645 dl_arg_inc(dl);
5646 return cmd_resource_set(dl);
5647 }
5648 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5649 return -ENOENT;
5650 }
5651
5652 static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
5653 {
5654 const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
5655 const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
5656 const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
5657 char buf[256];
5658
5659 sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
5660 if (dl->json_output) {
5661 jsonw_name(dl->jw, buf);
5662 jsonw_start_object(dl->jw);
5663 } else {
5664 pr_out("%s:", buf);
5665 }
5666 }
5667
5668 static void pr_out_region_handle_end(struct dl *dl)
5669 {
5670 if (dl->json_output)
5671 jsonw_end_object(dl->jw);
5672 else
5673 pr_out("\n");
5674 }
5675
5676 static void pr_out_region_snapshots_start(struct dl *dl, bool array)
5677 {
5678 if (dl->json_output) {
5679 jsonw_name(dl->jw, "snapshot");
5680 jsonw_start_array(dl->jw);
5681 } else {
5682 if (g_indent_newline)
5683 pr_out("snapshot %s", array ? "[" : "");
5684 else
5685 pr_out(" snapshot %s", array ? "[" : "");
5686 }
5687 }
5688
5689 static void pr_out_region_snapshots_end(struct dl *dl, bool array)
5690 {
5691 if (dl->json_output)
5692 jsonw_end_array(dl->jw);
5693 else if (array)
5694 pr_out("]");
5695 }
5696
5697 static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
5698 {
5699 uint32_t snapshot_id;
5700
5701 if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5702 return;
5703
5704 snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
5705
5706 if (dl->json_output)
5707 jsonw_uint(dl->jw, snapshot_id);
5708 else
5709 pr_out("%s%u", index ? " " : "", snapshot_id);
5710 }
5711
5712 static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
5713 {
5714 struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
5715 struct nlattr *nla_sanpshot;
5716 int err, index = 0;
5717
5718 pr_out_region_snapshots_start(dl, true);
5719 mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
5720 err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
5721 if (err != MNL_CB_OK)
5722 return;
5723 pr_out_region_snapshots_id(dl, tb_snapshot, index++);
5724 }
5725 pr_out_region_snapshots_end(dl, true);
5726 }
5727
5728 static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
5729 {
5730 pr_out_region_snapshots_start(dl, false);
5731 pr_out_region_snapshots_id(dl, tb, 0);
5732 pr_out_region_snapshots_end(dl, false);
5733 }
5734
5735 static void pr_out_region(struct dl *dl, struct nlattr **tb)
5736 {
5737 pr_out_region_handle_start(dl, tb);
5738
5739 if (tb[DEVLINK_ATTR_REGION_SIZE])
5740 pr_out_u64(dl, "size",
5741 mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
5742
5743 if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
5744 pr_out_snapshots(dl, tb);
5745
5746 if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
5747 pr_out_snapshot(dl, tb);
5748
5749 pr_out_region_handle_end(dl);
5750 }
5751
5752 static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
5753 {
5754 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5755 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5756 struct dl *dl = data;
5757
5758 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5759 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5760 !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
5761 return MNL_CB_ERROR;
5762
5763 pr_out_region(dl, tb);
5764
5765 return MNL_CB_OK;
5766 }
5767
5768 static int cmd_region_show(struct dl *dl)
5769 {
5770 struct nlmsghdr *nlh;
5771 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
5772 int err;
5773
5774 if (dl_argc(dl) == 0)
5775 flags |= NLM_F_DUMP;
5776
5777 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
5778
5779 if (dl_argc(dl) > 0) {
5780 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
5781 if (err)
5782 return err;
5783 }
5784
5785 pr_out_section_start(dl, "regions");
5786 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
5787 pr_out_section_end(dl);
5788 return err;
5789 }
5790
5791 static int cmd_region_snapshot_del(struct dl *dl)
5792 {
5793 struct nlmsghdr *nlh;
5794 int err;
5795
5796 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
5797 NLM_F_REQUEST | NLM_F_ACK);
5798
5799 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5800 DL_OPT_REGION_SNAPSHOT_ID, 0);
5801 if (err)
5802 return err;
5803
5804 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5805 }
5806
5807 static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
5808 {
5809 struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
5810 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
5811 struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
5812 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
5813 struct dl *dl = data;
5814 int err;
5815
5816 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
5817 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
5818 !tb[DEVLINK_ATTR_REGION_CHUNKS])
5819 return MNL_CB_ERROR;
5820
5821 mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
5822 err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
5823 if (err != MNL_CB_OK)
5824 return MNL_CB_ERROR;
5825
5826 nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
5827 if (!nla_chunk_data)
5828 continue;
5829
5830 nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
5831 if (!nla_chunk_addr)
5832 continue;
5833
5834 pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
5835 mnl_attr_get_payload_len(nla_chunk_data),
5836 mnl_attr_get_u64(nla_chunk_addr));
5837 }
5838 return MNL_CB_OK;
5839 }
5840
5841 static int cmd_region_dump(struct dl *dl)
5842 {
5843 struct nlmsghdr *nlh;
5844 int err;
5845
5846 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5847 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5848
5849 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5850 DL_OPT_REGION_SNAPSHOT_ID, 0);
5851 if (err)
5852 return err;
5853
5854 pr_out_section_start(dl, "dump");
5855 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5856 pr_out_section_end(dl);
5857 if (!dl->json_output)
5858 pr_out("\n");
5859 return err;
5860 }
5861
5862 static int cmd_region_read(struct dl *dl)
5863 {
5864 struct nlmsghdr *nlh;
5865 int err;
5866
5867 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
5868 NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
5869
5870 err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
5871 DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
5872 DL_OPT_REGION_SNAPSHOT_ID, 0);
5873 if (err)
5874 return err;
5875
5876 pr_out_section_start(dl, "read");
5877 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
5878 pr_out_section_end(dl);
5879 if (!dl->json_output)
5880 pr_out("\n");
5881 return err;
5882 }
5883
5884 static void cmd_region_help(void)
5885 {
5886 pr_err("Usage: devlink region show [ DEV/REGION ]\n");
5887 pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
5888 pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
5889 pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
5890 }
5891
5892 static int cmd_region(struct dl *dl)
5893 {
5894 if (dl_no_arg(dl)) {
5895 return cmd_region_show(dl);
5896 } else if (dl_argv_match(dl, "help")) {
5897 cmd_region_help();
5898 return 0;
5899 } else if (dl_argv_match(dl, "show")) {
5900 dl_arg_inc(dl);
5901 return cmd_region_show(dl);
5902 } else if (dl_argv_match(dl, "del")) {
5903 dl_arg_inc(dl);
5904 return cmd_region_snapshot_del(dl);
5905 } else if (dl_argv_match(dl, "dump")) {
5906 dl_arg_inc(dl);
5907 return cmd_region_dump(dl);
5908 } else if (dl_argv_match(dl, "read")) {
5909 dl_arg_inc(dl);
5910 return cmd_region_read(dl);
5911 }
5912 pr_err("Command \"%s\" not found\n", dl_argv(dl));
5913 return -ENOENT;
5914 }
5915
5916 static int cmd_health_set_params(struct dl *dl)
5917 {
5918 struct nlmsghdr *nlh;
5919 int err;
5920
5921 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET,
5922 NLM_F_REQUEST | NLM_F_ACK);
5923 err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME,
5924 DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD |
5925 DL_OPT_HEALTH_REPORTER_AUTO_RECOVER);
5926 if (err)
5927 return err;
5928
5929 dl_opts_put(nlh, dl);
5930 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5931 }
5932
5933 static int cmd_health_dump_clear(struct dl *dl)
5934 {
5935 struct nlmsghdr *nlh;
5936 int err;
5937
5938 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
5939 NLM_F_REQUEST | NLM_F_ACK);
5940
5941 err = dl_argv_parse_put(nlh, dl,
5942 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
5943 if (err)
5944 return err;
5945
5946 dl_opts_put(nlh, dl);
5947 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
5948 }
5949
5950 static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
5951 {
5952 uint8_t *data;
5953 uint32_t len;
5954
5955 switch (type) {
5956 case MNL_TYPE_FLAG:
5957 pr_out_bool_value(dl, mnl_attr_get_u8(nl_data));
5958 break;
5959 case MNL_TYPE_U8:
5960 pr_out_uint_value(dl, mnl_attr_get_u8(nl_data));
5961 break;
5962 case MNL_TYPE_U16:
5963 pr_out_uint_value(dl, mnl_attr_get_u16(nl_data));
5964 break;
5965 case MNL_TYPE_U32:
5966 pr_out_uint_value(dl, mnl_attr_get_u32(nl_data));
5967 break;
5968 case MNL_TYPE_U64:
5969 pr_out_uint64_value(dl, mnl_attr_get_u64(nl_data));
5970 break;
5971 case MNL_TYPE_NUL_STRING:
5972 pr_out_str_value(dl, mnl_attr_get_str(nl_data));
5973 break;
5974 case MNL_TYPE_BINARY:
5975 len = mnl_attr_get_payload_len(nl_data);
5976 data = mnl_attr_get_payload(nl_data);
5977 pr_out_binary_value(dl, data, len);
5978 break;
5979 default:
5980 return -EINVAL;
5981 }
5982 return MNL_CB_OK;
5983 }
5984
5985 struct nest_qentry {
5986 int attr_type;
5987 TAILQ_ENTRY(nest_qentry) nest_entries;
5988 };
5989
5990 struct fmsg_cb_data {
5991 struct dl *dl;
5992 uint8_t value_type;
5993 TAILQ_HEAD(, nest_qentry) qhead;
5994 };
5995
5996 static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
5997 uint8_t *attr_value, bool insert)
5998 {
5999 struct nest_qentry *entry = NULL;
6000
6001 if (insert) {
6002 entry = malloc(sizeof(struct nest_qentry));
6003 if (!entry)
6004 return -ENOMEM;
6005
6006 entry->attr_type = *attr_value;
6007 TAILQ_INSERT_HEAD(&fmsg_data->qhead, entry, nest_entries);
6008 } else {
6009 if (TAILQ_EMPTY(&fmsg_data->qhead))
6010 return MNL_CB_ERROR;
6011 entry = TAILQ_FIRST(&fmsg_data->qhead);
6012 *attr_value = entry->attr_type;
6013 TAILQ_REMOVE(&fmsg_data->qhead, entry, nest_entries);
6014 free(entry);
6015 }
6016 return MNL_CB_OK;
6017 }
6018
6019 static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
6020 bool start)
6021 {
6022 struct dl *dl = fmsg_data->dl;
6023 uint8_t value = nest_value;
6024 int err;
6025
6026 err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
6027 if (err != MNL_CB_OK)
6028 return err;
6029
6030 switch (value) {
6031 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6032 if (start)
6033 pr_out_entry_start(dl);
6034 else
6035 pr_out_entry_end(dl);
6036 break;
6037 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6038 break;
6039 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6040 if (dl->json_output) {
6041 if (start)
6042 jsonw_start_array(dl->jw);
6043 else
6044 jsonw_end_array(dl->jw);
6045 } else {
6046 if (start) {
6047 __pr_out_newline();
6048 __pr_out_indent_inc();
6049 } else {
6050 __pr_out_indent_dec();
6051 }
6052 }
6053 break;
6054 default:
6055 return -EINVAL;
6056 }
6057 return MNL_CB_OK;
6058 }
6059
6060 static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
6061 {
6062 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6063 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6064 struct fmsg_cb_data *fmsg_data = data;
6065 struct dl *dl = fmsg_data->dl;
6066 struct nlattr *nla_object;
6067 int attr_type;
6068 int err;
6069
6070 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6071 if (!tb[DEVLINK_ATTR_FMSG])
6072 return MNL_CB_ERROR;
6073
6074 mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
6075 attr_type = mnl_attr_get_type(nla_object);
6076 switch (attr_type) {
6077 case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
6078 case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
6079 case DEVLINK_ATTR_FMSG_ARR_NEST_START:
6080 err = cmd_fmsg_nest(fmsg_data, attr_type, true);
6081 if (err != MNL_CB_OK)
6082 return err;
6083 break;
6084 case DEVLINK_ATTR_FMSG_NEST_END:
6085 err = cmd_fmsg_nest(fmsg_data, attr_type, false);
6086 if (err != MNL_CB_OK)
6087 return err;
6088 break;
6089 case DEVLINK_ATTR_FMSG_OBJ_NAME:
6090 pr_out_name(dl, mnl_attr_get_str(nla_object));
6091 break;
6092 case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
6093 fmsg_data->value_type = mnl_attr_get_u8(nla_object);
6094 break;
6095 case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
6096 err = fmsg_value_show(dl, fmsg_data->value_type,
6097 nla_object);
6098 if (err != MNL_CB_OK)
6099 return err;
6100 break;
6101 default:
6102 return -EINVAL;
6103 }
6104 }
6105 return MNL_CB_OK;
6106 }
6107
6108 static int cmd_health_object_common(struct dl *dl, uint8_t cmd)
6109 {
6110 struct fmsg_cb_data data;
6111 struct nlmsghdr *nlh;
6112 int err;
6113
6114 nlh = mnlg_msg_prepare(dl->nlg, cmd, NLM_F_REQUEST | NLM_F_ACK);
6115
6116 err = dl_argv_parse_put(nlh, dl,
6117 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6118 if (err)
6119 return err;
6120
6121 data.dl = dl;
6122 TAILQ_INIT(&data.qhead);
6123 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
6124 return err;
6125 }
6126
6127 static int cmd_health_dump_show(struct dl *dl)
6128 {
6129 return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET);
6130 }
6131
6132 static int cmd_health_diagnose(struct dl *dl)
6133 {
6134 return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE);
6135 }
6136
6137 static int cmd_health_recover(struct dl *dl)
6138 {
6139 struct nlmsghdr *nlh;
6140 int err;
6141
6142 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
6143 NLM_F_REQUEST | NLM_F_ACK);
6144
6145 err = dl_argv_parse_put(nlh, dl,
6146 DL_OPT_HANDLE | DL_OPT_HEALTH_REPORTER_NAME, 0);
6147 if (err)
6148 return err;
6149
6150 dl_opts_put(nlh, dl);
6151 return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
6152 }
6153
6154 enum devlink_health_reporter_state {
6155 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
6156 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
6157 };
6158
6159 static const char *health_state_name(uint8_t state)
6160 {
6161 switch (state) {
6162 case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
6163 return HEALTH_REPORTER_STATE_HEALTHY_STR;
6164 case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
6165 return HEALTH_REPORTER_STATE_ERROR_STR;
6166 default:
6167 return "<unknown state>";
6168 }
6169 }
6170
6171 static void format_logtime(uint64_t time_ms, char *ts_date, char *ts_time)
6172 {
6173 struct sysinfo s_info;
6174 struct tm *info;
6175 time_t now, sec;
6176 int err;
6177
6178 time(&now);
6179 info = localtime(&now);
6180 err = sysinfo(&s_info);
6181 if (err)
6182 goto out;
6183 /* Subtract uptime in sec from now yields the time of system
6184 * uptime. To this, add time_ms which is the amount of
6185 * milliseconds elapsed between uptime and the dump taken.
6186 */
6187 sec = now - s_info.uptime + time_ms / 1000;
6188 info = localtime(&sec);
6189 out:
6190 strftime(ts_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
6191 strftime(ts_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
6192 }
6193
6194 static void pr_out_health(struct dl *dl, struct nlattr **tb_health)
6195 {
6196 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6197 enum devlink_health_reporter_state state;
6198 const struct nlattr *attr;
6199 uint64_t time_ms;
6200 int err;
6201
6202 err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
6203 attr_cb, tb);
6204 if (err != MNL_CB_OK)
6205 return;
6206
6207 if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
6208 !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
6209 !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
6210 !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
6211 return;
6212
6213 pr_out_handle_start_arr(dl, tb_health);
6214
6215 pr_out_str(dl, "name",
6216 mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
6217 if (!dl->json_output) {
6218 __pr_out_newline();
6219 __pr_out_indent_inc();
6220 }
6221 state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
6222 pr_out_str(dl, "state", health_state_name(state));
6223 pr_out_u64(dl, "error",
6224 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
6225 pr_out_u64(dl, "recover",
6226 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
6227 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]) {
6228 char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6229 char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
6230
6231 attr = tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS];
6232 time_ms = mnl_attr_get_u64(attr);
6233 format_logtime(time_ms, dump_date, dump_time);
6234
6235 pr_out_str(dl, "last_dump_date", dump_date);
6236 pr_out_str(dl, "last_dump_time", dump_time);
6237 }
6238 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
6239 pr_out_u64(dl, "grace_period",
6240 mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
6241 if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
6242 pr_out_bool(dl, "auto_recover",
6243 mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
6244
6245 __pr_out_indent_dec();
6246 pr_out_handle_end(dl);
6247 }
6248
6249 static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
6250 {
6251 struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
6252 struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
6253 struct dl *dl = data;
6254
6255 mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
6256 if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
6257 !tb[DEVLINK_ATTR_HEALTH_REPORTER])
6258 return MNL_CB_ERROR;
6259
6260 pr_out_health(dl, tb);
6261
6262 return MNL_CB_OK;
6263 }
6264
6265 static int cmd_health_show(struct dl *dl)
6266 {
6267 struct nlmsghdr *nlh;
6268 uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
6269 int err;
6270
6271 if (dl_argc(dl) == 0)
6272 flags |= NLM_F_DUMP;
6273 nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
6274 flags);
6275
6276 if (dl_argc(dl) > 0) {
6277 err = dl_argv_parse_put(nlh, dl,
6278 DL_OPT_HANDLE |
6279 DL_OPT_HEALTH_REPORTER_NAME, 0);
6280 if (err)
6281 return err;
6282 }
6283 pr_out_section_start(dl, "health");
6284
6285 err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, dl);
6286 pr_out_section_end(dl);
6287 return err;
6288 }
6289
6290 static void cmd_health_help(void)
6291 {
6292 pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
6293 pr_err(" devlink health recover DEV reporter REPORTER_NAME\n");
6294 pr_err(" devlink health diagnose DEV reporter REPORTER_NAME\n");
6295 pr_err(" devlink health dump show DEV reporter REPORTER_NAME\n");
6296 pr_err(" devlink health dump clear DEV reporter REPORTER_NAME\n");
6297 pr_err(" devlink health set DEV reporter REPORTER_NAME { grace_period | auto_recover } { msec | boolean }\n");
6298 }
6299
6300 static int cmd_health(struct dl *dl)
6301 {
6302 if (dl_argv_match(dl, "help")) {
6303 cmd_health_help();
6304 return 0;
6305 } else if (dl_argv_match(dl, "show") ||
6306 dl_argv_match(dl, "list") || dl_no_arg(dl)) {
6307 dl_arg_inc(dl);
6308 return cmd_health_show(dl);
6309 } else if (dl_argv_match(dl, "recover")) {
6310 dl_arg_inc(dl);
6311 return cmd_health_recover(dl);
6312 } else if (dl_argv_match(dl, "diagnose")) {
6313 dl_arg_inc(dl);
6314 return cmd_health_diagnose(dl);
6315 } else if (dl_argv_match(dl, "dump")) {
6316 dl_arg_inc(dl);
6317 if (dl_argv_match(dl, "show")) {
6318 dl_arg_inc(dl);
6319 return cmd_health_dump_show(dl);
6320 } else if (dl_argv_match(dl, "clear")) {
6321 dl_arg_inc(dl);
6322 return cmd_health_dump_clear(dl);
6323 }
6324 } else if (dl_argv_match(dl, "set")) {
6325 dl_arg_inc(dl);
6326 return cmd_health_set_params(dl);
6327 }
6328 pr_err("Command \"%s\" not found\n", dl_argv(dl));
6329 return -ENOENT;
6330 }
6331
6332 static void help(void)
6333 {
6334 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
6335 " devlink [ -f[orce] ] -b[atch] filename\n"
6336 "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health }\n"
6337 " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] }\n");
6338 }
6339
6340 static int dl_cmd(struct dl *dl, int argc, char **argv)
6341 {
6342 dl->argc = argc;
6343 dl->argv = argv;
6344
6345 if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
6346 help();
6347 return 0;
6348 } else if (dl_argv_match(dl, "dev")) {
6349 dl_arg_inc(dl);
6350 return cmd_dev(dl);
6351 } else if (dl_argv_match(dl, "port")) {
6352 dl_arg_inc(dl);
6353 return cmd_port(dl);
6354 } else if (dl_argv_match(dl, "sb")) {
6355 dl_arg_inc(dl);
6356 return cmd_sb(dl);
6357 } else if (dl_argv_match(dl, "monitor")) {
6358 dl_arg_inc(dl);
6359 return cmd_mon(dl);
6360 } else if (dl_argv_match(dl, "dpipe")) {
6361 dl_arg_inc(dl);
6362 return cmd_dpipe(dl);
6363 } else if (dl_argv_match(dl, "resource")) {
6364 dl_arg_inc(dl);
6365 return cmd_resource(dl);
6366 } else if (dl_argv_match(dl, "region")) {
6367 dl_arg_inc(dl);
6368 return cmd_region(dl);
6369 } else if (dl_argv_match(dl, "health")) {
6370 dl_arg_inc(dl);
6371 return cmd_health(dl);
6372 }
6373 pr_err("Object \"%s\" not found\n", dl_argv(dl));
6374 return -ENOENT;
6375 }
6376
6377 static int dl_init(struct dl *dl)
6378 {
6379 int err;
6380
6381 dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
6382 if (!dl->nlg) {
6383 pr_err("Failed to connect to devlink Netlink\n");
6384 return -errno;
6385 }
6386
6387 err = ifname_map_init(dl);
6388 if (err) {
6389 pr_err("Failed to create index map\n");
6390 goto err_ifname_map_create;
6391 }
6392 if (dl->json_output) {
6393 dl->jw = jsonw_new(stdout);
6394 if (!dl->jw) {
6395 pr_err("Failed to create JSON writer\n");
6396 goto err_json_new;
6397 }
6398 jsonw_pretty(dl->jw, dl->pretty_output);
6399 }
6400 return 0;
6401
6402 err_json_new:
6403 ifname_map_fini(dl);
6404 err_ifname_map_create:
6405 mnlg_socket_close(dl->nlg);
6406 return err;
6407 }
6408
6409 static void dl_fini(struct dl *dl)
6410 {
6411 if (dl->json_output)
6412 jsonw_destroy(&dl->jw);
6413 ifname_map_fini(dl);
6414 mnlg_socket_close(dl->nlg);
6415 }
6416
6417 static struct dl *dl_alloc(void)
6418 {
6419 struct dl *dl;
6420
6421 dl = calloc(1, sizeof(*dl));
6422 if (!dl)
6423 return NULL;
6424 return dl;
6425 }
6426
6427 static void dl_free(struct dl *dl)
6428 {
6429 free(dl);
6430 }
6431
6432 static int dl_batch(struct dl *dl, const char *name, bool force)
6433 {
6434 char *line = NULL;
6435 size_t len = 0;
6436 int ret = EXIT_SUCCESS;
6437
6438 if (name && strcmp(name, "-") != 0) {
6439 if (freopen(name, "r", stdin) == NULL) {
6440 fprintf(stderr,
6441 "Cannot open file \"%s\" for reading: %s\n",
6442 name, strerror(errno));
6443 return EXIT_FAILURE;
6444 }
6445 }
6446
6447 cmdlineno = 0;
6448 while (getcmdline(&line, &len, stdin) != -1) {
6449 char *largv[100];
6450 int largc;
6451
6452 largc = makeargs(line, largv, 100);
6453 if (!largc)
6454 continue; /* blank line */
6455
6456 if (dl_cmd(dl, largc, largv)) {
6457 fprintf(stderr, "Command failed %s:%d\n",
6458 name, cmdlineno);
6459 ret = EXIT_FAILURE;
6460 if (!force)
6461 break;
6462 }
6463 }
6464
6465 if (line)
6466 free(line);
6467
6468 return ret;
6469 }
6470
6471 int main(int argc, char **argv)
6472 {
6473 static const struct option long_options[] = {
6474 { "Version", no_argument, NULL, 'V' },
6475 { "force", no_argument, NULL, 'f' },
6476 { "batch", required_argument, NULL, 'b' },
6477 { "no-nice-names", no_argument, NULL, 'n' },
6478 { "json", no_argument, NULL, 'j' },
6479 { "pretty", no_argument, NULL, 'p' },
6480 { "verbose", no_argument, NULL, 'v' },
6481 { NULL, 0, NULL, 0 }
6482 };
6483 const char *batch_file = NULL;
6484 bool force = false;
6485 struct dl *dl;
6486 int opt;
6487 int err;
6488 int ret;
6489
6490 dl = dl_alloc();
6491 if (!dl) {
6492 pr_err("Failed to allocate memory for devlink\n");
6493 return EXIT_FAILURE;
6494 }
6495
6496 while ((opt = getopt_long(argc, argv, "Vfb:njpv",
6497 long_options, NULL)) >= 0) {
6498
6499 switch (opt) {
6500 case 'V':
6501 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
6502 ret = EXIT_SUCCESS;
6503 goto dl_free;
6504 case 'f':
6505 force = true;
6506 break;
6507 case 'b':
6508 batch_file = optarg;
6509 break;
6510 case 'n':
6511 dl->no_nice_names = true;
6512 break;
6513 case 'j':
6514 dl->json_output = true;
6515 break;
6516 case 'p':
6517 dl->pretty_output = true;
6518 break;
6519 case 'v':
6520 dl->verbose = true;
6521 break;
6522 default:
6523 pr_err("Unknown option.\n");
6524 help();
6525 ret = EXIT_FAILURE;
6526 goto dl_free;
6527 }
6528 }
6529
6530 argc -= optind;
6531 argv += optind;
6532
6533 err = dl_init(dl);
6534 if (err) {
6535 ret = EXIT_FAILURE;
6536 goto dl_free;
6537 }
6538
6539 if (batch_file)
6540 err = dl_batch(dl, batch_file, force);
6541 else
6542 err = dl_cmd(dl, argc, argv);
6543
6544 if (err) {
6545 ret = EXIT_FAILURE;
6546 goto dl_fini;
6547 }
6548
6549 ret = EXIT_SUCCESS;
6550
6551 dl_fini:
6552 dl_fini(dl);
6553 dl_free:
6554 dl_free(dl);
6555
6556 return ret;
6557 }
Upstream mirror of iproute2