xref: /linux/net/ethtool/netlink.h (revision 27859d18bf41fad5b2a1e821f702447a82d9e284)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef _NET_ETHTOOL_NETLINK_H
4 #define _NET_ETHTOOL_NETLINK_H
5 
6 #include <linux/ethtool_netlink.h>
7 #include <linux/netdevice.h>
8 #include <linux/phy.h>
9 #include <net/genetlink.h>
10 #include <net/sock.h>
11 
12 struct ethnl_req_info;
13 
14 extern char phy_interface_names[PHY_INTERFACE_MODE_MAX][ETH_GSTRING_LEN];
15 
16 int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
17 			       const struct nlattr *nest, struct net *net,
18 			       struct netlink_ext_ack *extack,
19 			       bool require_dev);
20 int ethnl_fill_reply_header(struct sk_buff *skb, struct net_device *dev,
21 			    u16 attrtype);
22 struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd,
23 				 u16 hdr_attrtype, struct genl_info *info,
24 				 void **ehdrp);
25 void *ethnl_dump_put(struct sk_buff *skb, struct netlink_callback *cb, u8 cmd);
26 void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd);
27 void *ethnl_unicast_put(struct sk_buff *skb, u32 portid, u32 seq, u8 cmd);
28 int ethnl_multicast(struct sk_buff *skb, struct net_device *dev);
29 void ethnl_notify(struct net_device *dev, unsigned int cmd,
30 		  const struct ethnl_req_info *req_info);
31 
32 /**
33  * ethnl_strz_size() - calculate attribute length for fixed size string
34  * @s: ETH_GSTRING_LEN sized string (may not be null terminated)
35  *
36  * Return: total length of an attribute with null terminated string from @s
37  */
38 static inline int ethnl_strz_size(const char *s)
39 {
40 	return nla_total_size(strnlen(s, ETH_GSTRING_LEN) + 1);
41 }
42 
43 /**
44  * ethnl_put_strz() - put string attribute with fixed size string
45  * @skb:      skb with the message
46  * @attrtype: attribute type
47  * @s:        ETH_GSTRING_LEN sized string (may not be null terminated)
48  *
49  * Puts an attribute with null terminated string from @s into the message.
50  *
51  * Return: 0 on success, negative error code on failure
52  */
53 static inline int ethnl_put_strz(struct sk_buff *skb, u16 attrtype,
54 				 const char *s)
55 {
56 	unsigned int len = strnlen(s, ETH_GSTRING_LEN);
57 	struct nlattr *attr;
58 
59 	attr = nla_reserve(skb, attrtype, len + 1);
60 	if (!attr)
61 		return -EMSGSIZE;
62 
63 	memcpy(nla_data(attr), s, len);
64 	((char *)nla_data(attr))[len] = '\0';
65 	return 0;
66 }
67 
68 /**
69  * ethnl_update_u32() - update u32 value from NLA_U32 attribute
70  * @dst:  value to update
71  * @attr: netlink attribute with new value or null
72  * @mod:  pointer to bool for modification tracking
73  *
74  * Copy the u32 value from NLA_U32 netlink attribute @attr into variable
75  * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod
76  * is set to true if this function changed the value of *dst, otherwise it
77  * is left as is.
78  */
79 static inline void ethnl_update_u32(u32 *dst, const struct nlattr *attr,
80 				    bool *mod)
81 {
82 	u32 val;
83 
84 	if (!attr)
85 		return;
86 	val = nla_get_u32(attr);
87 	if (*dst == val)
88 		return;
89 
90 	*dst = val;
91 	*mod = true;
92 }
93 
94 /**
95  * ethnl_update_u8() - update u8 value from NLA_U8 attribute
96  * @dst:  value to update
97  * @attr: netlink attribute with new value or null
98  * @mod:  pointer to bool for modification tracking
99  *
100  * Copy the u8 value from NLA_U8 netlink attribute @attr into variable
101  * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod
102  * is set to true if this function changed the value of *dst, otherwise it
103  * is left as is.
104  */
105 static inline void ethnl_update_u8(u8 *dst, const struct nlattr *attr,
106 				   bool *mod)
107 {
108 	u8 val;
109 
110 	if (!attr)
111 		return;
112 	val = nla_get_u8(attr);
113 	if (*dst == val)
114 		return;
115 
116 	*dst = val;
117 	*mod = true;
118 }
119 
120 /**
121  * ethnl_update_u8_u32() - update u8 value from an NLA_U32 attribute
122  * @dst:  value to update
123  * @attr: netlink attribute with new value or null
124  * @mod:  pointer to bool for modification tracking
125  *
126  * Some attributes are NLA_U32 on the wire but are stored in a u8. Read the
127  * full 32-bit value from NLA_U32 netlink attribute @attr and narrow it into
128  * the u8 pointed to by @dst; do nothing if @attr is null.
129  * Bool pointed to by @mod is set to true if this function changed the value
130  * of *dst, otherwise it is left as is.
131  */
132 static inline void ethnl_update_u8_u32(u8 *dst, const struct nlattr *attr,
133 				       bool *mod)
134 {
135 	u32 val;
136 
137 	if (!attr)
138 		return;
139 	val = nla_get_u32(attr);
140 	DEBUG_NET_WARN_ON_ONCE(val > U8_MAX);
141 	if (*dst == val)
142 		return;
143 
144 	*dst = val;
145 	*mod = true;
146 }
147 
148 /**
149  * ethnl_update_bool32() - update u32 used as bool from NLA_U8 attribute
150  * @dst:  value to update
151  * @attr: netlink attribute with new value or null
152  * @mod:  pointer to bool for modification tracking
153  *
154  * Use the u8 value from NLA_U8 netlink attribute @attr to set u32 variable
155  * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is
156  * null. Bool pointed to by @mod is set to true if this function changed the
157  * logical value of *dst, otherwise it is left as is.
158  */
159 static inline void ethnl_update_bool32(u32 *dst, const struct nlattr *attr,
160 				       bool *mod)
161 {
162 	u8 val;
163 
164 	if (!attr)
165 		return;
166 	val = !!nla_get_u8(attr);
167 	if (!!*dst == val)
168 		return;
169 
170 	*dst = val;
171 	*mod = true;
172 }
173 
174 /**
175  * ethnl_update_bool() - updateb bool used as bool from NLA_U8 attribute
176  * @dst:  value to update
177  * @attr: netlink attribute with new value or null
178  * @mod:  pointer to bool for modification tracking
179  *
180  * Use the bool value from NLA_U8 netlink attribute @attr to set bool variable
181  * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is
182  * null. Bool pointed to by @mod is set to true if this function changed the
183  * logical value of *dst, otherwise it is left as is.
184  */
185 static inline void ethnl_update_bool(bool *dst, const struct nlattr *attr,
186 				     bool *mod)
187 {
188 	u8 val;
189 
190 	if (!attr)
191 		return;
192 	val = !!nla_get_u8(attr);
193 	if (!!*dst == val)
194 		return;
195 
196 	*dst = val;
197 	*mod = true;
198 }
199 
200 /**
201  * ethnl_update_binary() - update binary data from NLA_BINARY attribute
202  * @dst:  value to update
203  * @len:  destination buffer length
204  * @attr: netlink attribute with new value or null
205  * @mod:  pointer to bool for modification tracking
206  *
207  * Use the u8 value from NLA_U8 netlink attribute @attr to rewrite data block
208  * of length @len at @dst by attribute payload; do nothing if @attr is null.
209  * Bool pointed to by @mod is set to true if this function changed the logical
210  * value of *dst, otherwise it is left as is.
211  */
212 static inline void ethnl_update_binary(void *dst, unsigned int len,
213 				       const struct nlattr *attr, bool *mod)
214 {
215 	if (!attr)
216 		return;
217 	if (nla_len(attr) < len)
218 		len = nla_len(attr);
219 	if (!memcmp(dst, nla_data(attr), len))
220 		return;
221 
222 	memcpy(dst, nla_data(attr), len);
223 	*mod = true;
224 }
225 
226 /**
227  * ethnl_update_bitfield32() - update u32 value from NLA_BITFIELD32 attribute
228  * @dst:  value to update
229  * @attr: netlink attribute with new value or null
230  * @mod:  pointer to bool for modification tracking
231  *
232  * Update bits in u32 value which are set in attribute's mask to values from
233  * attribute's value. Do nothing if @attr is null or the value wouldn't change;
234  * otherwise, set bool pointed to by @mod to true.
235  */
236 static inline void ethnl_update_bitfield32(u32 *dst, const struct nlattr *attr,
237 					   bool *mod)
238 {
239 	struct nla_bitfield32 change;
240 	u32 newval;
241 
242 	if (!attr)
243 		return;
244 	change = nla_get_bitfield32(attr);
245 	newval = (*dst & ~change.selector) | (change.value & change.selector);
246 	if (*dst == newval)
247 		return;
248 
249 	*dst = newval;
250 	*mod = true;
251 }
252 
253 /**
254  * ethnl_reply_header_size() - total size of reply header
255  *
256  * This is an upper estimate so that we do not need to hold RTNL lock longer
257  * than necessary (to prevent rename between size estimate and composing the
258  * message). Accounts only for device ifindex and name as those are the only
259  * attributes ethnl_fill_reply_header() puts into the reply header.
260  */
261 static inline unsigned int ethnl_reply_header_size(void)
262 {
263 	return nla_total_size(nla_total_size(sizeof(u32)) +
264 			      nla_total_size(IFNAMSIZ));
265 }
266 
267 /* GET request handling */
268 
269 /* Unified processing of GET requests uses two data structures: request info
270  * and reply data. Request info holds information parsed from client request
271  * and its stays constant through all request processing. Reply data holds data
272  * retrieved from ethtool_ops callbacks or other internal sources which is used
273  * to compose the reply. When processing a dump request, request info is filled
274  * only once (when the request message is parsed) but reply data is filled for
275  * each reply message.
276  *
277  * Both structures consist of part common for all request types (struct
278  * ethnl_req_info and struct ethnl_reply_data defined below) and optional
279  * parts specific for each request type. Common part always starts at offset 0.
280  */
281 
282 /**
283  * struct ethnl_req_info - base type of request information for GET requests
284  * @dev:   network device the request is for (may be null)
285  * @dev_tracker: refcount tracker for @dev reference
286  * @flags: request flags common for all request types
287  * @phy_index: phy_device index connected to @dev this request is for. Can be
288  *	       0 if the request doesn't target a phy, or if the @dev's attached
289  *	       phy is targeted.
290  *
291  * This is a common base for request specific structures holding data from
292  * parsed userspace request. These always embed struct ethnl_req_info at
293  * zero offset.
294  */
295 struct ethnl_req_info {
296 	struct net_device	*dev;
297 	netdevice_tracker	dev_tracker;
298 	u32			flags;
299 	u32			phy_index;
300 };
301 
302 static inline void ethnl_parse_header_dev_put(struct ethnl_req_info *req_info)
303 {
304 	netdev_put(req_info->dev, &req_info->dev_tracker);
305 }
306 
307 /**
308  * ethnl_req_get_phydev() - Gets the phy_device targeted by this request,
309  *			    if any.
310  * @req_info:	The ethnl request to get the phy from.
311  * @tb:		The netlink attributes array, for error reporting.
312  * @header:	The netlink header index, used for error reporting.
313  * @extack:	The netlink extended ACK, for error reporting.
314  *
315  * If a phy_device is returned the caller must hold rtnl_lock when calling
316  * this function, and until it's done interacting with the returned phy_device.
317  * IOW caller must hold rtnl_lock unless they know netdev has no phy_device.
318  *
319  * Return: A phy_device pointer corresponding either to the passed phy_index
320  *	   if one is provided. If not, the phy_device attached to the
321  *	   net_device targeted by this request is returned. If there's no
322  *	   targeted net_device, or no phy_device is attached, NULL is
323  *	   returned. If the provided phy_index is invalid, an error pointer
324  *	   is returned.
325  */
326 struct phy_device *ethnl_req_get_phydev(const struct ethnl_req_info *req_info,
327 					struct nlattr **tb, unsigned int header,
328 					struct netlink_ext_ack *extack);
329 
330 /**
331  * struct ethnl_reply_data - base type of reply data for GET requests
332  * @dev:       device for current reply message; in single shot requests it is
333  *             equal to &ethnl_req_info.dev; in dumps it's different for each
334  *             reply message
335  *
336  * This is a common base for request specific structures holding data for
337  * kernel reply message. These always embed struct ethnl_reply_data at zero
338  * offset.
339  */
340 struct ethnl_reply_data {
341 	struct net_device		*dev;
342 };
343 
344 int ethnl_ops_begin(struct net_device *dev);
345 void ethnl_ops_complete(struct net_device *dev);
346 
347 enum ethnl_sock_type {
348 	ETHTOOL_SOCK_TYPE_MODULE_FW_FLASH,
349 };
350 
351 struct ethnl_sock_priv {
352 	struct net *net;
353 	u32 portid;
354 	enum ethnl_sock_type type;
355 };
356 
357 int ethnl_sock_priv_set(struct sk_buff *skb, struct net *net, u32 portid,
358 			enum ethnl_sock_type type);
359 
360 /**
361  * struct ethnl_request_ops - unified handling of GET and SET requests
362  * @request_cmd:      command id for request (GET)
363  * @reply_cmd:        command id for reply (GET_REPLY)
364  * @hdr_attr:         attribute type for request header
365  * @req_info_size:    size of request info
366  * @reply_data_size:  size of reply data
367  * @allow_nodev_do:
368  *	Allow non-dump request with no device identification.
369  *	Note that locks (rtnl_lock etc.) are only taken if device is set.
370  * @set_ntf_cmd:      notification to generate on changes (SET)
371  * @parse_request:
372  *	Parse request except common header (struct ethnl_req_info). Common
373  *	header is already filled on entry, the rest up to @repdata_offset
374  *	is zero initialized. This callback should only modify type specific
375  *	request info by parsed attributes from request message.
376  *	Called for both GET and SET. Information parsed for SET will
377  *	be conveyed to the req_info used during NTF generation.
378  * @prepare_data:
379  *	Retrieve and prepare data needed to compose a reply message. Calls to
380  *	ethtool_ops handlers are limited to this callback. Common reply data
381  *	(struct ethnl_reply_data) is filled on entry, type specific part after
382  *	it is zero initialized. This callback should only modify the type
383  *	specific part of reply data. Device identification from struct
384  *	ethnl_reply_data is to be used as for dump requests, it iterates
385  *	through network devices while dev member of struct ethnl_req_info
386  *	points to the device from client request.
387  * @reply_size:
388  *	Estimate reply message size. Returned value must be sufficient for
389  *	message payload without common reply header. The callback may returned
390  *	estimate higher than actual message size if exact calculation would
391  *	not be worth the saved memory space.
392  * @fill_reply:
393  *	Fill reply message payload (except for common header) from reply data.
394  *	The callback must not generate more payload than previously called
395  *	->reply_size() estimated.
396  * @cleanup_data:
397  *	Optional cleanup called when reply data is no longer needed. Can be
398  *	used e.g. to free any additional data structures outside the main
399  *	structure which were allocated by ->prepare_data(). When processing
400  *	dump requests, ->cleanup() is called for each message.
401  * @set_validate:
402  *	Check if set operation is supported for a given device, and perform
403  *	extra input checks. Expected return values:
404  *	 - 0 if the operation is a noop for the device (rare)
405  *	 - 1 if operation should proceed to calling @set
406  *	 - negative errno on errors
407  *	Called without any locks, just a reference on the netdev.
408  * @set:
409  *	Execute the set operation. The implementation should return
410  *	 - 0 if no configuration has changed
411  *	 - 1 if configuration changed and notification should be generated
412  *	 - negative errno on errors
413  *
414  * Description of variable parts of GET request handling when using the
415  * unified infrastructure. When used, a pointer to an instance of this
416  * structure is to be added to &ethnl_default_requests array and generic
417  * handlers ethnl_default_doit(), ethnl_default_dumpit(),
418  * ethnl_default_start() and ethnl_default_done() used in @ethtool_genl_ops;
419  * ethnl_default_notify() can be used in @ethnl_notify_handlers to send
420  * notifications of the corresponding type.
421  */
422 struct ethnl_request_ops {
423 	u8			request_cmd;
424 	u8			reply_cmd;
425 	u16			hdr_attr;
426 	unsigned int		req_info_size;
427 	unsigned int		reply_data_size;
428 	bool			allow_nodev_do;
429 	u8			set_ntf_cmd;
430 
431 	int (*parse_request)(struct ethnl_req_info *req_info,
432 			     const struct genl_info *info,
433 			     struct nlattr **tb,
434 			     struct netlink_ext_ack *extack);
435 	int (*prepare_data)(const struct ethnl_req_info *req_info,
436 			    struct ethnl_reply_data *reply_data,
437 			    const struct genl_info *info);
438 	int (*reply_size)(const struct ethnl_req_info *req_info,
439 			  const struct ethnl_reply_data *reply_data);
440 	int (*fill_reply)(struct sk_buff *skb,
441 			  const struct ethnl_req_info *req_info,
442 			  const struct ethnl_reply_data *reply_data);
443 	void (*cleanup_data)(struct ethnl_reply_data *reply_data);
444 
445 	int (*set_validate)(struct ethnl_req_info *req_info,
446 			    struct genl_info *info);
447 	int (*set)(struct ethnl_req_info *req_info,
448 		   struct genl_info *info);
449 };
450 
451 /* request handlers */
452 
453 extern const struct ethnl_request_ops ethnl_strset_request_ops;
454 extern const struct ethnl_request_ops ethnl_linkinfo_request_ops;
455 extern const struct ethnl_request_ops ethnl_linkmodes_request_ops;
456 extern const struct ethnl_request_ops ethnl_linkstate_request_ops;
457 extern const struct ethnl_request_ops ethnl_debug_request_ops;
458 extern const struct ethnl_request_ops ethnl_wol_request_ops;
459 extern const struct ethnl_request_ops ethnl_features_request_ops;
460 extern const struct ethnl_request_ops ethnl_privflags_request_ops;
461 extern const struct ethnl_request_ops ethnl_rings_request_ops;
462 extern const struct ethnl_request_ops ethnl_channels_request_ops;
463 extern const struct ethnl_request_ops ethnl_coalesce_request_ops;
464 extern const struct ethnl_request_ops ethnl_pause_request_ops;
465 extern const struct ethnl_request_ops ethnl_eee_request_ops;
466 extern const struct ethnl_request_ops ethnl_tsinfo_request_ops;
467 extern const struct ethnl_request_ops ethnl_fec_request_ops;
468 extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops;
469 extern const struct ethnl_request_ops ethnl_stats_request_ops;
470 extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops;
471 extern const struct ethnl_request_ops ethnl_module_request_ops;
472 extern const struct ethnl_request_ops ethnl_pse_request_ops;
473 extern const struct ethnl_request_ops ethnl_rss_request_ops;
474 extern const struct ethnl_request_ops ethnl_plca_cfg_request_ops;
475 extern const struct ethnl_request_ops ethnl_plca_status_request_ops;
476 extern const struct ethnl_request_ops ethnl_mm_request_ops;
477 extern const struct ethnl_request_ops ethnl_phy_request_ops;
478 extern const struct ethnl_request_ops ethnl_tsconfig_request_ops;
479 extern const struct ethnl_request_ops ethnl_mse_request_ops;
480 extern const struct ethnl_request_ops ethnl_port_request_ops;
481 
482 extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1];
483 extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1];
484 extern const struct nla_policy ethnl_header_policy_phy[ETHTOOL_A_HEADER_PHY_INDEX + 1];
485 extern const struct nla_policy ethnl_header_policy_phy_stats[ETHTOOL_A_HEADER_PHY_INDEX + 1];
486 extern const struct nla_policy ethnl_strset_get_policy[ETHTOOL_A_STRSET_COUNTS_ONLY + 1];
487 extern const struct nla_policy ethnl_linkinfo_get_policy[ETHTOOL_A_LINKINFO_HEADER + 1];
488 extern const struct nla_policy ethnl_linkinfo_set_policy[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL + 1];
489 extern const struct nla_policy ethnl_linkmodes_get_policy[ETHTOOL_A_LINKMODES_HEADER + 1];
490 extern const struct nla_policy ethnl_linkmodes_set_policy[ETHTOOL_A_LINKMODES_LANES + 1];
491 extern const struct nla_policy ethnl_linkstate_get_policy[ETHTOOL_A_LINKSTATE_HEADER + 1];
492 extern const struct nla_policy ethnl_debug_get_policy[ETHTOOL_A_DEBUG_HEADER + 1];
493 extern const struct nla_policy ethnl_debug_set_policy[ETHTOOL_A_DEBUG_MSGMASK + 1];
494 extern const struct nla_policy ethnl_wol_get_policy[ETHTOOL_A_WOL_HEADER + 1];
495 extern const struct nla_policy ethnl_wol_set_policy[ETHTOOL_A_WOL_SOPASS + 1];
496 extern const struct nla_policy ethnl_features_get_policy[ETHTOOL_A_FEATURES_HEADER + 1];
497 extern const struct nla_policy ethnl_features_set_policy[ETHTOOL_A_FEATURES_WANTED + 1];
498 extern const struct nla_policy ethnl_privflags_get_policy[ETHTOOL_A_PRIVFLAGS_HEADER + 1];
499 extern const struct nla_policy ethnl_privflags_set_policy[ETHTOOL_A_PRIVFLAGS_FLAGS + 1];
500 extern const struct nla_policy ethnl_rings_get_policy[ETHTOOL_A_RINGS_HEADER + 1];
501 extern const struct nla_policy ethnl_rings_set_policy[ETHTOOL_A_RINGS_HDS_THRESH_MAX + 1];
502 extern const struct nla_policy ethnl_channels_get_policy[ETHTOOL_A_CHANNELS_HEADER + 1];
503 extern const struct nla_policy ethnl_channels_set_policy[ETHTOOL_A_CHANNELS_COMBINED_COUNT + 1];
504 extern const struct nla_policy ethnl_coalesce_get_policy[ETHTOOL_A_COALESCE_HEADER + 1];
505 extern const struct nla_policy ethnl_coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1];
506 extern const struct nla_policy ethnl_pause_get_policy[ETHTOOL_A_PAUSE_STATS_SRC + 1];
507 extern const struct nla_policy ethnl_pause_set_policy[ETHTOOL_A_PAUSE_STATS_SRC + 1];
508 extern const struct nla_policy ethnl_eee_get_policy[ETHTOOL_A_EEE_HEADER + 1];
509 extern const struct nla_policy ethnl_eee_set_policy[ETHTOOL_A_EEE_TX_LPI_TIMER + 1];
510 extern const struct nla_policy ethnl_tsinfo_get_policy[ETHTOOL_A_TSINFO_MAX + 1];
511 extern const struct nla_policy ethnl_cable_test_act_policy[ETHTOOL_A_CABLE_TEST_HEADER + 1];
512 extern const struct nla_policy ethnl_cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG + 1];
513 extern const struct nla_policy ethnl_tunnel_info_get_policy[ETHTOOL_A_TUNNEL_INFO_HEADER + 1];
514 extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1];
515 extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1];
516 extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1];
517 extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_SRC + 1];
518 extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1];
519 extern const struct nla_policy ethnl_module_get_policy[ETHTOOL_A_MODULE_HEADER + 1];
520 extern const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLICY + 1];
521 extern const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1];
522 extern const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1];
523 extern const struct nla_policy ethnl_rss_get_policy[ETHTOOL_A_RSS_START_CONTEXT + 1];
524 extern const struct nla_policy ethnl_rss_set_policy[ETHTOOL_A_RSS_FLOW_HASH + 1];
525 extern const struct nla_policy ethnl_rss_create_policy[ETHTOOL_A_RSS_INPUT_XFRM + 1];
526 extern const struct nla_policy ethnl_rss_delete_policy[ETHTOOL_A_RSS_CONTEXT + 1];
527 extern const struct nla_policy ethnl_plca_get_cfg_policy[ETHTOOL_A_PLCA_HEADER + 1];
528 extern const struct nla_policy ethnl_plca_set_cfg_policy[ETHTOOL_A_PLCA_MAX + 1];
529 extern const struct nla_policy ethnl_plca_get_status_policy[ETHTOOL_A_PLCA_HEADER + 1];
530 extern const struct nla_policy ethnl_mm_get_policy[ETHTOOL_A_MM_HEADER + 1];
531 extern const struct nla_policy ethnl_mm_set_policy[ETHTOOL_A_MM_MAX + 1];
532 extern const struct nla_policy ethnl_module_fw_flash_act_policy[ETHTOOL_A_MODULE_FW_FLASH_PASSWORD + 1];
533 extern const struct nla_policy ethnl_phy_get_policy[ETHTOOL_A_PHY_HEADER + 1];
534 extern const struct nla_policy ethnl_tsconfig_get_policy[ETHTOOL_A_TSCONFIG_HEADER + 1];
535 extern const struct nla_policy ethnl_tsconfig_set_policy[ETHTOOL_A_TSCONFIG_MAX + 1];
536 extern const struct nla_policy ethnl_mse_get_policy[ETHTOOL_A_MSE_HEADER + 1];
537 extern const struct nla_policy ethnl_port_get_policy[ETHTOOL_A_PORT_ID + 1];
538 
539 int ethnl_set_features(struct sk_buff *skb, struct genl_info *info);
540 int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info);
541 int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info);
542 int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info);
543 int ethnl_tunnel_info_start(struct netlink_callback *cb);
544 int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
545 int ethnl_act_module_fw_flash(struct sk_buff *skb, struct genl_info *info);
546 int ethnl_rss_dump_start(struct netlink_callback *cb);
547 int ethnl_rss_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
548 int ethnl_tsinfo_start(struct netlink_callback *cb);
549 int ethnl_tsinfo_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
550 int ethnl_tsinfo_done(struct netlink_callback *cb);
551 int ethnl_rss_create_doit(struct sk_buff *skb, struct genl_info *info);
552 int ethnl_rss_delete_doit(struct sk_buff *skb, struct genl_info *info);
553 int ethnl_port_dump_start(struct netlink_callback *cb);
554 int ethnl_port_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
555 int ethnl_port_dump_done(struct netlink_callback *cb);
556 
557 extern const char stats_std_names[__ETHTOOL_STATS_CNT][ETH_GSTRING_LEN];
558 extern const char stats_eth_phy_names[__ETHTOOL_A_STATS_ETH_PHY_CNT][ETH_GSTRING_LEN];
559 extern const char stats_eth_mac_names[__ETHTOOL_A_STATS_ETH_MAC_CNT][ETH_GSTRING_LEN];
560 extern const char stats_eth_ctrl_names[__ETHTOOL_A_STATS_ETH_CTRL_CNT][ETH_GSTRING_LEN];
561 extern const char stats_rmon_names[__ETHTOOL_A_STATS_RMON_CNT][ETH_GSTRING_LEN];
562 extern const char stats_phy_names[__ETHTOOL_A_STATS_PHY_CNT][ETH_GSTRING_LEN];
563 
564 #endif /* _NET_ETHTOOL_NETLINK_H */
565