xref: /linux/net/devlink/netlink.c (revision 2aceb896ee18ae35b21b14c978d8c2ef8c7b439d)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
5  */
6 
7 #include <net/genetlink.h>
8 #include <net/sock.h>
9 
10 #include "devl_internal.h"
11 
12 static const struct genl_multicast_group devlink_nl_mcgrps[] = {
13 	[DEVLINK_MCGRP_CONFIG] = { .name = DEVLINK_GENL_MCGRP_CONFIG_NAME },
14 };
15 
16 static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
17 	[DEVLINK_ATTR_UNSPEC] = { .strict_start_type =
18 		DEVLINK_ATTR_TRAP_POLICER_ID },
19 	[DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING },
20 	[DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING },
21 	[DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32 },
22 	[DEVLINK_ATTR_PORT_TYPE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_PORT_TYPE_AUTO,
23 						    DEVLINK_PORT_TYPE_IB),
24 	[DEVLINK_ATTR_PORT_SPLIT_COUNT] = { .type = NLA_U32 },
25 	[DEVLINK_ATTR_SB_INDEX] = { .type = NLA_U32 },
26 	[DEVLINK_ATTR_SB_POOL_INDEX] = { .type = NLA_U16 },
27 	[DEVLINK_ATTR_SB_POOL_TYPE] = { .type = NLA_U8 },
28 	[DEVLINK_ATTR_SB_POOL_SIZE] = { .type = NLA_U32 },
29 	[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = { .type = NLA_U8 },
30 	[DEVLINK_ATTR_SB_THRESHOLD] = { .type = NLA_U32 },
31 	[DEVLINK_ATTR_SB_TC_INDEX] = { .type = NLA_U16 },
32 	[DEVLINK_ATTR_ESWITCH_MODE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_ESWITCH_MODE_LEGACY,
33 						       DEVLINK_ESWITCH_MODE_SWITCHDEV),
34 	[DEVLINK_ATTR_ESWITCH_INLINE_MODE] = { .type = NLA_U8 },
35 	[DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = { .type = NLA_U8 },
36 	[DEVLINK_ATTR_DPIPE_TABLE_NAME] = { .type = NLA_NUL_STRING },
37 	[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = { .type = NLA_U8 },
38 	[DEVLINK_ATTR_RESOURCE_ID] = { .type = NLA_U64},
39 	[DEVLINK_ATTR_RESOURCE_SIZE] = { .type = NLA_U64},
40 	[DEVLINK_ATTR_PARAM_NAME] = { .type = NLA_NUL_STRING },
41 	[DEVLINK_ATTR_PARAM_TYPE] = { .type = NLA_U8 },
42 	[DEVLINK_ATTR_PARAM_VALUE_CMODE] = { .type = NLA_U8 },
43 	[DEVLINK_ATTR_REGION_NAME] = { .type = NLA_NUL_STRING },
44 	[DEVLINK_ATTR_REGION_SNAPSHOT_ID] = { .type = NLA_U32 },
45 	[DEVLINK_ATTR_REGION_CHUNK_ADDR] = { .type = NLA_U64 },
46 	[DEVLINK_ATTR_REGION_CHUNK_LEN] = { .type = NLA_U64 },
47 	[DEVLINK_ATTR_HEALTH_REPORTER_NAME] = { .type = NLA_NUL_STRING },
48 	[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = { .type = NLA_U64 },
49 	[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 },
50 	[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME] = { .type = NLA_NUL_STRING },
51 	[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = { .type = NLA_NUL_STRING },
52 	[DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK] =
53 		NLA_POLICY_BITFIELD32(DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS),
54 	[DEVLINK_ATTR_TRAP_NAME] = { .type = NLA_NUL_STRING },
55 	[DEVLINK_ATTR_TRAP_ACTION] = { .type = NLA_U8 },
56 	[DEVLINK_ATTR_TRAP_GROUP_NAME] = { .type = NLA_NUL_STRING },
57 	[DEVLINK_ATTR_NETNS_PID] = { .type = NLA_U32 },
58 	[DEVLINK_ATTR_NETNS_FD] = { .type = NLA_U32 },
59 	[DEVLINK_ATTR_NETNS_ID] = { .type = NLA_U32 },
60 	[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP] = { .type = NLA_U8 },
61 	[DEVLINK_ATTR_TRAP_POLICER_ID] = { .type = NLA_U32 },
62 	[DEVLINK_ATTR_TRAP_POLICER_RATE] = { .type = NLA_U64 },
63 	[DEVLINK_ATTR_TRAP_POLICER_BURST] = { .type = NLA_U64 },
64 	[DEVLINK_ATTR_PORT_FUNCTION] = { .type = NLA_NESTED },
65 	[DEVLINK_ATTR_RELOAD_ACTION] = NLA_POLICY_RANGE(NLA_U8, DEVLINK_RELOAD_ACTION_DRIVER_REINIT,
66 							DEVLINK_RELOAD_ACTION_MAX),
67 	[DEVLINK_ATTR_RELOAD_LIMITS] = NLA_POLICY_BITFIELD32(DEVLINK_RELOAD_LIMITS_VALID_MASK),
68 	[DEVLINK_ATTR_PORT_FLAVOUR] = { .type = NLA_U16 },
69 	[DEVLINK_ATTR_PORT_PCI_PF_NUMBER] = { .type = NLA_U16 },
70 	[DEVLINK_ATTR_PORT_PCI_SF_NUMBER] = { .type = NLA_U32 },
71 	[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER] = { .type = NLA_U32 },
72 	[DEVLINK_ATTR_RATE_TYPE] = { .type = NLA_U16 },
73 	[DEVLINK_ATTR_RATE_TX_SHARE] = { .type = NLA_U64 },
74 	[DEVLINK_ATTR_RATE_TX_MAX] = { .type = NLA_U64 },
75 	[DEVLINK_ATTR_RATE_NODE_NAME] = { .type = NLA_NUL_STRING },
76 	[DEVLINK_ATTR_RATE_PARENT_NODE_NAME] = { .type = NLA_NUL_STRING },
77 	[DEVLINK_ATTR_LINECARD_INDEX] = { .type = NLA_U32 },
78 	[DEVLINK_ATTR_LINECARD_TYPE] = { .type = NLA_NUL_STRING },
79 	[DEVLINK_ATTR_SELFTESTS] = { .type = NLA_NESTED },
80 	[DEVLINK_ATTR_RATE_TX_PRIORITY] = { .type = NLA_U32 },
81 	[DEVLINK_ATTR_RATE_TX_WEIGHT] = { .type = NLA_U32 },
82 	[DEVLINK_ATTR_REGION_DIRECT] = { .type = NLA_FLAG },
83 };
84 
85 int devlink_nl_put_nested_handle(struct sk_buff *msg, struct net *net,
86 				 struct devlink *devlink, int attrtype)
87 {
88 	struct nlattr *nested_attr;
89 	struct net *devl_net;
90 
91 	nested_attr = nla_nest_start(msg, attrtype);
92 	if (!nested_attr)
93 		return -EMSGSIZE;
94 	if (devlink_nl_put_handle(msg, devlink))
95 		goto nla_put_failure;
96 
97 	rcu_read_lock();
98 	devl_net = read_pnet_rcu(&devlink->_net);
99 	if (!net_eq(net, devl_net)) {
100 		int id = peernet2id_alloc(net, devl_net, GFP_ATOMIC);
101 
102 		rcu_read_unlock();
103 		if (nla_put_s32(msg, DEVLINK_ATTR_NETNS_ID, id))
104 			return -EMSGSIZE;
105 	} else {
106 		rcu_read_unlock();
107 	}
108 
109 	nla_nest_end(msg, nested_attr);
110 	return 0;
111 
112 nla_put_failure:
113 	nla_nest_cancel(msg, nested_attr);
114 	return -EMSGSIZE;
115 }
116 
117 int devlink_nl_msg_reply_and_new(struct sk_buff **msg, struct genl_info *info)
118 {
119 	int err;
120 
121 	if (*msg) {
122 		err = genlmsg_reply(*msg, info);
123 		if (err)
124 			return err;
125 	}
126 	*msg = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
127 	if (!*msg)
128 		return -ENOMEM;
129 	return 0;
130 }
131 
132 struct devlink *
133 devlink_get_from_attrs_lock(struct net *net, struct nlattr **attrs)
134 {
135 	struct devlink *devlink;
136 	unsigned long index;
137 	char *busname;
138 	char *devname;
139 
140 	if (!attrs[DEVLINK_ATTR_BUS_NAME] || !attrs[DEVLINK_ATTR_DEV_NAME])
141 		return ERR_PTR(-EINVAL);
142 
143 	busname = nla_data(attrs[DEVLINK_ATTR_BUS_NAME]);
144 	devname = nla_data(attrs[DEVLINK_ATTR_DEV_NAME]);
145 
146 	devlinks_xa_for_each_registered_get(net, index, devlink) {
147 		devl_lock(devlink);
148 		if (devl_is_registered(devlink) &&
149 		    strcmp(devlink->dev->bus->name, busname) == 0 &&
150 		    strcmp(dev_name(devlink->dev), devname) == 0)
151 			return devlink;
152 		devl_unlock(devlink);
153 		devlink_put(devlink);
154 	}
155 
156 	return ERR_PTR(-ENODEV);
157 }
158 
159 static int __devlink_nl_pre_doit(struct sk_buff *skb, struct genl_info *info,
160 				 u8 flags)
161 {
162 	struct devlink_port *devlink_port;
163 	struct devlink *devlink;
164 	int err;
165 
166 	devlink = devlink_get_from_attrs_lock(genl_info_net(info), info->attrs);
167 	if (IS_ERR(devlink))
168 		return PTR_ERR(devlink);
169 
170 	info->user_ptr[0] = devlink;
171 	if (flags & DEVLINK_NL_FLAG_NEED_PORT) {
172 		devlink_port = devlink_port_get_from_info(devlink, info);
173 		if (IS_ERR(devlink_port)) {
174 			err = PTR_ERR(devlink_port);
175 			goto unlock;
176 		}
177 		info->user_ptr[1] = devlink_port;
178 	} else if (flags & DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT) {
179 		devlink_port = devlink_port_get_from_info(devlink, info);
180 		if (!IS_ERR(devlink_port))
181 			info->user_ptr[1] = devlink_port;
182 	}
183 	return 0;
184 
185 unlock:
186 	devl_unlock(devlink);
187 	devlink_put(devlink);
188 	return err;
189 }
190 
191 int devlink_nl_pre_doit(const struct genl_split_ops *ops,
192 			struct sk_buff *skb, struct genl_info *info)
193 {
194 	return __devlink_nl_pre_doit(skb, info, ops->internal_flags);
195 }
196 
197 int devlink_nl_pre_doit_port(const struct genl_split_ops *ops,
198 			     struct sk_buff *skb, struct genl_info *info)
199 {
200 	return __devlink_nl_pre_doit(skb, info, DEVLINK_NL_FLAG_NEED_PORT);
201 }
202 
203 int devlink_nl_pre_doit_port_optional(const struct genl_split_ops *ops,
204 				      struct sk_buff *skb,
205 				      struct genl_info *info)
206 {
207 	return __devlink_nl_pre_doit(skb, info, DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT);
208 }
209 
210 void devlink_nl_post_doit(const struct genl_split_ops *ops,
211 			  struct sk_buff *skb, struct genl_info *info)
212 {
213 	struct devlink *devlink;
214 
215 	devlink = info->user_ptr[0];
216 	devl_unlock(devlink);
217 	devlink_put(devlink);
218 }
219 
220 static int devlink_nl_inst_single_dumpit(struct sk_buff *msg,
221 					 struct netlink_callback *cb, int flags,
222 					 devlink_nl_dump_one_func_t *dump_one,
223 					 struct nlattr **attrs)
224 {
225 	struct devlink *devlink;
226 	int err;
227 
228 	devlink = devlink_get_from_attrs_lock(sock_net(msg->sk), attrs);
229 	if (IS_ERR(devlink))
230 		return PTR_ERR(devlink);
231 	err = dump_one(msg, devlink, cb, flags | NLM_F_DUMP_FILTERED);
232 
233 	devl_unlock(devlink);
234 	devlink_put(devlink);
235 
236 	if (err != -EMSGSIZE)
237 		return err;
238 	return msg->len;
239 }
240 
241 static int devlink_nl_inst_iter_dumpit(struct sk_buff *msg,
242 				       struct netlink_callback *cb, int flags,
243 				       devlink_nl_dump_one_func_t *dump_one)
244 {
245 	struct devlink_nl_dump_state *state = devlink_dump_state(cb);
246 	struct devlink *devlink;
247 	int err = 0;
248 
249 	while ((devlink = devlinks_xa_find_get(sock_net(msg->sk),
250 					       &state->instance))) {
251 		devl_lock(devlink);
252 
253 		if (devl_is_registered(devlink))
254 			err = dump_one(msg, devlink, cb, flags);
255 		else
256 			err = 0;
257 
258 		devl_unlock(devlink);
259 		devlink_put(devlink);
260 
261 		if (err)
262 			break;
263 
264 		state->instance++;
265 
266 		/* restart sub-object walk for the next instance */
267 		state->idx = 0;
268 	}
269 
270 	if (err != -EMSGSIZE)
271 		return err;
272 	return msg->len;
273 }
274 
275 int devlink_nl_dumpit(struct sk_buff *msg, struct netlink_callback *cb,
276 		      devlink_nl_dump_one_func_t *dump_one)
277 {
278 	const struct genl_info *info = genl_info_dump(cb);
279 	struct nlattr **attrs = info->attrs;
280 	int flags = NLM_F_MULTI;
281 
282 	if (attrs &&
283 	    (attrs[DEVLINK_ATTR_BUS_NAME] || attrs[DEVLINK_ATTR_DEV_NAME]))
284 		return devlink_nl_inst_single_dumpit(msg, cb, flags, dump_one,
285 						     attrs);
286 	else
287 		return devlink_nl_inst_iter_dumpit(msg, cb, flags, dump_one);
288 }
289 
290 static const struct genl_small_ops devlink_nl_small_ops[40] = {
291 	{
292 		.cmd = DEVLINK_CMD_PORT_SET,
293 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
294 		.doit = devlink_nl_cmd_port_set_doit,
295 		.flags = GENL_ADMIN_PERM,
296 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
297 	},
298 	{
299 		.cmd = DEVLINK_CMD_RATE_SET,
300 		.doit = devlink_nl_cmd_rate_set_doit,
301 		.flags = GENL_ADMIN_PERM,
302 	},
303 	{
304 		.cmd = DEVLINK_CMD_RATE_NEW,
305 		.doit = devlink_nl_cmd_rate_new_doit,
306 		.flags = GENL_ADMIN_PERM,
307 	},
308 	{
309 		.cmd = DEVLINK_CMD_RATE_DEL,
310 		.doit = devlink_nl_cmd_rate_del_doit,
311 		.flags = GENL_ADMIN_PERM,
312 	},
313 	{
314 		.cmd = DEVLINK_CMD_PORT_SPLIT,
315 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
316 		.doit = devlink_nl_cmd_port_split_doit,
317 		.flags = GENL_ADMIN_PERM,
318 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
319 	},
320 	{
321 		.cmd = DEVLINK_CMD_PORT_UNSPLIT,
322 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
323 		.doit = devlink_nl_cmd_port_unsplit_doit,
324 		.flags = GENL_ADMIN_PERM,
325 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
326 	},
327 	{
328 		.cmd = DEVLINK_CMD_PORT_NEW,
329 		.doit = devlink_nl_cmd_port_new_doit,
330 		.flags = GENL_ADMIN_PERM,
331 	},
332 	{
333 		.cmd = DEVLINK_CMD_PORT_DEL,
334 		.doit = devlink_nl_cmd_port_del_doit,
335 		.flags = GENL_ADMIN_PERM,
336 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
337 	},
338 
339 	{
340 		.cmd = DEVLINK_CMD_LINECARD_SET,
341 		.doit = devlink_nl_cmd_linecard_set_doit,
342 		.flags = GENL_ADMIN_PERM,
343 	},
344 	{
345 		.cmd = DEVLINK_CMD_SB_POOL_SET,
346 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
347 		.doit = devlink_nl_cmd_sb_pool_set_doit,
348 		.flags = GENL_ADMIN_PERM,
349 	},
350 	{
351 		.cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
352 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
353 		.doit = devlink_nl_cmd_sb_port_pool_set_doit,
354 		.flags = GENL_ADMIN_PERM,
355 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
356 	},
357 	{
358 		.cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
359 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
360 		.doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit,
361 		.flags = GENL_ADMIN_PERM,
362 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
363 	},
364 	{
365 		.cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT,
366 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
367 		.doit = devlink_nl_cmd_sb_occ_snapshot_doit,
368 		.flags = GENL_ADMIN_PERM,
369 	},
370 	{
371 		.cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR,
372 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
373 		.doit = devlink_nl_cmd_sb_occ_max_clear_doit,
374 		.flags = GENL_ADMIN_PERM,
375 	},
376 	{
377 		.cmd = DEVLINK_CMD_ESWITCH_GET,
378 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
379 		.doit = devlink_nl_cmd_eswitch_get_doit,
380 		.flags = GENL_ADMIN_PERM,
381 	},
382 	{
383 		.cmd = DEVLINK_CMD_ESWITCH_SET,
384 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
385 		.doit = devlink_nl_cmd_eswitch_set_doit,
386 		.flags = GENL_ADMIN_PERM,
387 	},
388 	{
389 		.cmd = DEVLINK_CMD_DPIPE_TABLE_GET,
390 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
391 		.doit = devlink_nl_cmd_dpipe_table_get,
392 		/* can be retrieved by unprivileged users */
393 	},
394 	{
395 		.cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET,
396 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
397 		.doit = devlink_nl_cmd_dpipe_entries_get,
398 		/* can be retrieved by unprivileged users */
399 	},
400 	{
401 		.cmd = DEVLINK_CMD_DPIPE_HEADERS_GET,
402 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
403 		.doit = devlink_nl_cmd_dpipe_headers_get,
404 		/* can be retrieved by unprivileged users */
405 	},
406 	{
407 		.cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
408 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
409 		.doit = devlink_nl_cmd_dpipe_table_counters_set,
410 		.flags = GENL_ADMIN_PERM,
411 	},
412 	{
413 		.cmd = DEVLINK_CMD_RESOURCE_SET,
414 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
415 		.doit = devlink_nl_cmd_resource_set,
416 		.flags = GENL_ADMIN_PERM,
417 	},
418 	{
419 		.cmd = DEVLINK_CMD_RESOURCE_DUMP,
420 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
421 		.doit = devlink_nl_cmd_resource_dump,
422 		/* can be retrieved by unprivileged users */
423 	},
424 	{
425 		.cmd = DEVLINK_CMD_RELOAD,
426 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
427 		.doit = devlink_nl_cmd_reload,
428 		.flags = GENL_ADMIN_PERM,
429 	},
430 	{
431 		.cmd = DEVLINK_CMD_PARAM_SET,
432 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
433 		.doit = devlink_nl_cmd_param_set_doit,
434 		.flags = GENL_ADMIN_PERM,
435 	},
436 	{
437 		.cmd = DEVLINK_CMD_PORT_PARAM_GET,
438 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
439 		.doit = devlink_nl_cmd_port_param_get_doit,
440 		.dumpit = devlink_nl_cmd_port_param_get_dumpit,
441 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
442 		/* can be retrieved by unprivileged users */
443 	},
444 	{
445 		.cmd = DEVLINK_CMD_PORT_PARAM_SET,
446 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
447 		.doit = devlink_nl_cmd_port_param_set_doit,
448 		.flags = GENL_ADMIN_PERM,
449 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
450 	},
451 	{
452 		.cmd = DEVLINK_CMD_REGION_NEW,
453 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
454 		.doit = devlink_nl_cmd_region_new,
455 		.flags = GENL_ADMIN_PERM,
456 	},
457 	{
458 		.cmd = DEVLINK_CMD_REGION_DEL,
459 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
460 		.doit = devlink_nl_cmd_region_del,
461 		.flags = GENL_ADMIN_PERM,
462 	},
463 	{
464 		.cmd = DEVLINK_CMD_REGION_READ,
465 		.validate = GENL_DONT_VALIDATE_STRICT |
466 			    GENL_DONT_VALIDATE_DUMP_STRICT,
467 		.dumpit = devlink_nl_cmd_region_read_dumpit,
468 		.flags = GENL_ADMIN_PERM,
469 	},
470 	{
471 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_SET,
472 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
473 		.doit = devlink_nl_cmd_health_reporter_set_doit,
474 		.flags = GENL_ADMIN_PERM,
475 		.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
476 	},
477 	{
478 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
479 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
480 		.doit = devlink_nl_cmd_health_reporter_recover_doit,
481 		.flags = GENL_ADMIN_PERM,
482 		.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
483 	},
484 	{
485 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
486 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
487 		.doit = devlink_nl_cmd_health_reporter_diagnose_doit,
488 		.flags = GENL_ADMIN_PERM,
489 		.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
490 	},
491 	{
492 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
493 		.validate = GENL_DONT_VALIDATE_STRICT |
494 			    GENL_DONT_VALIDATE_DUMP_STRICT,
495 		.dumpit = devlink_nl_cmd_health_reporter_dump_get_dumpit,
496 		.flags = GENL_ADMIN_PERM,
497 	},
498 	{
499 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
500 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
501 		.doit = devlink_nl_cmd_health_reporter_dump_clear_doit,
502 		.flags = GENL_ADMIN_PERM,
503 		.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
504 	},
505 	{
506 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_TEST,
507 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
508 		.doit = devlink_nl_cmd_health_reporter_test_doit,
509 		.flags = GENL_ADMIN_PERM,
510 		.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
511 	},
512 	{
513 		.cmd = DEVLINK_CMD_FLASH_UPDATE,
514 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
515 		.doit = devlink_nl_cmd_flash_update,
516 		.flags = GENL_ADMIN_PERM,
517 	},
518 	{
519 		.cmd = DEVLINK_CMD_TRAP_SET,
520 		.doit = devlink_nl_cmd_trap_set_doit,
521 		.flags = GENL_ADMIN_PERM,
522 	},
523 	{
524 		.cmd = DEVLINK_CMD_TRAP_GROUP_SET,
525 		.doit = devlink_nl_cmd_trap_group_set_doit,
526 		.flags = GENL_ADMIN_PERM,
527 	},
528 	{
529 		.cmd = DEVLINK_CMD_TRAP_POLICER_SET,
530 		.doit = devlink_nl_cmd_trap_policer_set_doit,
531 		.flags = GENL_ADMIN_PERM,
532 	},
533 	{
534 		.cmd = DEVLINK_CMD_SELFTESTS_RUN,
535 		.doit = devlink_nl_cmd_selftests_run,
536 		.flags = GENL_ADMIN_PERM,
537 	},
538 	/* -- No new ops here! Use split ops going forward! -- */
539 };
540 
541 struct genl_family devlink_nl_family __ro_after_init = {
542 	.name		= DEVLINK_GENL_NAME,
543 	.version	= DEVLINK_GENL_VERSION,
544 	.maxattr	= DEVLINK_ATTR_MAX,
545 	.policy		= devlink_nl_policy,
546 	.netnsok	= true,
547 	.parallel_ops	= true,
548 	.pre_doit	= devlink_nl_pre_doit,
549 	.post_doit	= devlink_nl_post_doit,
550 	.module		= THIS_MODULE,
551 	.small_ops	= devlink_nl_small_ops,
552 	.n_small_ops	= ARRAY_SIZE(devlink_nl_small_ops),
553 	.split_ops	= devlink_nl_ops,
554 	.n_split_ops	= ARRAY_SIZE(devlink_nl_ops),
555 	.resv_start_op	= DEVLINK_CMD_SELFTESTS_RUN + 1,
556 	.mcgrps		= devlink_nl_mcgrps,
557 	.n_mcgrps	= ARRAY_SIZE(devlink_nl_mcgrps),
558 };
559