xref: /linux/net/ethtool/netlink.h (revision 26ba30221c03364d6ed9910be8da4c1fd871b07b)
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 <net/genetlink.h>
9 #include <net/sock.h>
10 
11 struct ethnl_req_info;
12 
13 int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
14 			       const struct nlattr *nest, struct net *net,
15 			       struct netlink_ext_ack *extack,
16 			       bool require_dev);
17 int ethnl_fill_reply_header(struct sk_buff *skb, struct net_device *dev,
18 			    u16 attrtype);
19 struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd,
20 				 u16 hdr_attrtype, struct genl_info *info,
21 				 void **ehdrp);
22 void *ethnl_dump_put(struct sk_buff *skb, struct netlink_callback *cb, u8 cmd);
23 void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd);
24 void *ethnl_unicast_put(struct sk_buff *skb, u32 portid, u32 seq, u8 cmd);
25 int ethnl_multicast(struct sk_buff *skb, struct net_device *dev);
26 void ethnl_notify(struct net_device *dev, unsigned int cmd,
27 		  const struct ethnl_req_info *req_info);
28 
29 /**
30  * ethnl_strz_size() - calculate attribute length for fixed size string
31  * @s: ETH_GSTRING_LEN sized string (may not be null terminated)
32  *
33  * Return: total length of an attribute with null terminated string from @s
34  */
35 static inline int ethnl_strz_size(const char *s)
36 {
37 	return nla_total_size(strnlen(s, ETH_GSTRING_LEN) + 1);
38 }
39 
40 /**
41  * ethnl_put_strz() - put string attribute with fixed size string
42  * @skb:      skb with the message
43  * @attrtype: attribute type
44  * @s:        ETH_GSTRING_LEN sized string (may not be null terminated)
45  *
46  * Puts an attribute with null terminated string from @s into the message.
47  *
48  * Return: 0 on success, negative error code on failure
49  */
50 static inline int ethnl_put_strz(struct sk_buff *skb, u16 attrtype,
51 				 const char *s)
52 {
53 	unsigned int len = strnlen(s, ETH_GSTRING_LEN);
54 	struct nlattr *attr;
55 
56 	attr = nla_reserve(skb, attrtype, len + 1);
57 	if (!attr)
58 		return -EMSGSIZE;
59 
60 	memcpy(nla_data(attr), s, len);
61 	((char *)nla_data(attr))[len] = '\0';
62 	return 0;
63 }
64 
65 /**
66  * ethnl_update_u32() - update u32 value from NLA_U32 attribute
67  * @dst:  value to update
68  * @attr: netlink attribute with new value or null
69  * @mod:  pointer to bool for modification tracking
70  *
71  * Copy the u32 value from NLA_U32 netlink attribute @attr into variable
72  * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod
73  * is set to true if this function changed the value of *dst, otherwise it
74  * is left as is.
75  */
76 static inline void ethnl_update_u32(u32 *dst, const struct nlattr *attr,
77 				    bool *mod)
78 {
79 	u32 val;
80 
81 	if (!attr)
82 		return;
83 	val = nla_get_u32(attr);
84 	if (*dst == val)
85 		return;
86 
87 	*dst = val;
88 	*mod = true;
89 }
90 
91 /**
92  * ethnl_update_u8() - update u8 value from NLA_U8 attribute
93  * @dst:  value to update
94  * @attr: netlink attribute with new value or null
95  * @mod:  pointer to bool for modification tracking
96  *
97  * Copy the u8 value from NLA_U8 netlink attribute @attr into variable
98  * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod
99  * is set to true if this function changed the value of *dst, otherwise it
100  * is left as is.
101  */
102 static inline void ethnl_update_u8(u8 *dst, const struct nlattr *attr,
103 				   bool *mod)
104 {
105 	u8 val;
106 
107 	if (!attr)
108 		return;
109 	val = nla_get_u8(attr);
110 	if (*dst == val)
111 		return;
112 
113 	*dst = val;
114 	*mod = true;
115 }
116 
117 /**
118  * ethnl_update_u8_u32() - update u8 value from an NLA_U32 attribute
119  * @dst:  value to update
120  * @attr: netlink attribute with new value or null
121  * @mod:  pointer to bool for modification tracking
122  *
123  * Some attributes are NLA_U32 on the wire but are stored in a u8. Read the
124  * full 32-bit value from NLA_U32 netlink attribute @attr and narrow it into
125  * the u8 pointed to by @dst; do nothing if @attr is null.
126  * Bool pointed to by @mod is set to true if this function changed the value
127  * of *dst, otherwise it is left as is.
128  */
129 static inline void ethnl_update_u8_u32(u8 *dst, const struct nlattr *attr,
130 				       bool *mod)
131 {
132 	u32 val;
133 
134 	if (!attr)
135 		return;
136 	val = nla_get_u32(attr);
137 	DEBUG_NET_WARN_ON_ONCE(val > U8_MAX);
138 	if (*dst == val)
139 		return;
140 
141 	*dst = val;
142 	*mod = true;
143 }
144 
145 /**
146  * ethnl_update_bool32() - update u32 used as bool from NLA_U8 attribute
147  * @dst:  value to update
148  * @attr: netlink attribute with new value or null
149  * @mod:  pointer to bool for modification tracking
150  *
151  * Use the u8 value from NLA_U8 netlink attribute @attr to set u32 variable
152  * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is
153  * null. Bool pointed to by @mod is set to true if this function changed the
154  * logical value of *dst, otherwise it is left as is.
155  */
156 static inline void ethnl_update_bool32(u32 *dst, const struct nlattr *attr,
157 				       bool *mod)
158 {
159 	u8 val;
160 
161 	if (!attr)
162 		return;
163 	val = !!nla_get_u8(attr);
164 	if (!!*dst == val)
165 		return;
166 
167 	*dst = val;
168 	*mod = true;
169 }
170 
171 /**
172  * ethnl_update_bool() - updateb bool used as bool from NLA_U8 attribute
173  * @dst:  value to update
174  * @attr: netlink attribute with new value or null
175  * @mod:  pointer to bool for modification tracking
176  *
177  * Use the bool value from NLA_U8 netlink attribute @attr to set bool variable
178  * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is
179  * null. Bool pointed to by @mod is set to true if this function changed the
180  * logical value of *dst, otherwise it is left as is.
181  */
182 static inline void ethnl_update_bool(bool *dst, const struct nlattr *attr,
183 				     bool *mod)
184 {
185 	u8 val;
186 
187 	if (!attr)
188 		return;
189 	val = !!nla_get_u8(attr);
190 	if (!!*dst == val)
191 		return;
192 
193 	*dst = val;
194 	*mod = true;
195 }
196 
197 /**
198  * ethnl_update_binary() - update binary data from NLA_BINARY attribute
199  * @dst:  value to update
200  * @len:  destination buffer length
201  * @attr: netlink attribute with new value or null
202  * @mod:  pointer to bool for modification tracking
203  *
204  * Use the u8 value from NLA_U8 netlink attribute @attr to rewrite data block
205  * of length @len at @dst by attribute payload; do nothing if @attr is null.
206  * Bool pointed to by @mod is set to true if this function changed the logical
207  * value of *dst, otherwise it is left as is.
208  */
209 static inline void ethnl_update_binary(void *dst, unsigned int len,
210 				       const struct nlattr *attr, bool *mod)
211 {
212 	if (!attr)
213 		return;
214 	if (nla_len(attr) < len)
215 		len = nla_len(attr);
216 	if (!memcmp(dst, nla_data(attr), len))
217 		return;
218 
219 	memcpy(dst, nla_data(attr), len);
220 	*mod = true;
221 }
222 
223 /**
224  * ethnl_update_bitfield32() - update u32 value from NLA_BITFIELD32 attribute
225  * @dst:  value to update
226  * @attr: netlink attribute with new value or null
227  * @mod:  pointer to bool for modification tracking
228  *
229  * Update bits in u32 value which are set in attribute's mask to values from
230  * attribute's value. Do nothing if @attr is null or the value wouldn't change;
231  * otherwise, set bool pointed to by @mod to true.
232  */
233 static inline void ethnl_update_bitfield32(u32 *dst, const struct nlattr *attr,
234 					   bool *mod)
235 {
236 	struct nla_bitfield32 change;
237 	u32 newval;
238 
239 	if (!attr)
240 		return;
241 	change = nla_get_bitfield32(attr);
242 	newval = (*dst & ~change.selector) | (change.value & change.selector);
243 	if (*dst == newval)
244 		return;
245 
246 	*dst = newval;
247 	*mod = true;
248 }
249 
250 /**
251  * ethnl_reply_header_size() - total size of reply header
252  *
253  * This is an upper estimate so that we do not need to hold RTNL lock longer
254  * than necessary (to prevent rename between size estimate and composing the
255  * message). Accounts only for device ifindex and name as those are the only
256  * attributes ethnl_fill_reply_header() puts into the reply header.
257  */
258 static inline unsigned int ethnl_reply_header_size(void)
259 {
260 	return nla_total_size(nla_total_size(sizeof(u32)) +
261 			      nla_total_size(IFNAMSIZ));
262 }
263 
264 /* GET request handling */
265 
266 /* Unified processing of GET requests uses two data structures: request info
267  * and reply data. Request info holds information parsed from client request
268  * and its stays constant through all request processing. Reply data holds data
269  * retrieved from ethtool_ops callbacks or other internal sources which is used
270  * to compose the reply. When processing a dump request, request info is filled
271  * only once (when the request message is parsed) but reply data is filled for
272  * each reply message.
273  *
274  * Both structures consist of part common for all request types (struct
275  * ethnl_req_info and struct ethnl_reply_data defined below) and optional
276  * parts specific for each request type. Common part always starts at offset 0.
277  */
278 
279 /**
280  * struct ethnl_req_info - base type of request information for GET requests
281  * @dev:   network device the request is for (may be null)
282  * @dev_tracker: refcount tracker for @dev reference
283  * @flags: request flags common for all request types
284  * @phy_index: phy_device index connected to @dev this request is for. Can be
285  *	       0 if the request doesn't target a phy, or if the @dev's attached
286  *	       phy is targeted.
287  *
288  * This is a common base for request specific structures holding data from
289  * parsed userspace request. These always embed struct ethnl_req_info at
290  * zero offset.
291  */
292 struct ethnl_req_info {
293 	struct net_device	*dev;
294 	netdevice_tracker	dev_tracker;
295 	u32			flags;
296 	u32			phy_index;
297 };
298 
299 static inline void ethnl_parse_header_dev_put(struct ethnl_req_info *req_info)
300 {
301 	netdev_put(req_info->dev, &req_info->dev_tracker);
302 }
303 
304 /**
305  * ethnl_req_get_phydev() - Gets the phy_device targeted by this request,
306  *			    if any.
307  * @req_info:	The ethnl request to get the phy from.
308  * @tb:		The netlink attributes array, for error reporting.
309  * @header:	The netlink header index, used for error reporting.
310  * @extack:	The netlink extended ACK, for error reporting.
311  *
312  * If a phy_device is returned the caller must hold rtnl_lock when calling
313  * this function, and until it's done interacting with the returned phy_device.
314  * IOW caller must hold rtnl_lock unless they know netdev has no phy_device.
315  *
316  * Return: A phy_device pointer corresponding either to the passed phy_index
317  *	   if one is provided. If not, the phy_device attached to the
318  *	   net_device targeted by this request is returned. If there's no
319  *	   targeted net_device, or no phy_device is attached, NULL is
320  *	   returned. If the provided phy_index is invalid, an error pointer
321  *	   is returned.
322  */
323 struct phy_device *ethnl_req_get_phydev(const struct ethnl_req_info *req_info,
324 					struct nlattr **tb, unsigned int header,
325 					struct netlink_ext_ack *extack);
326 
327 /**
328  * struct ethnl_reply_data - base type of reply data for GET requests
329  * @dev:       device for current reply message; in single shot requests it is
330  *             equal to &ethnl_req_info.dev; in dumps it's different for each
331  *             reply message
332  *
333  * This is a common base for request specific structures holding data for
334  * kernel reply message. These always embed struct ethnl_reply_data at zero
335  * offset.
336  */
337 struct ethnl_reply_data {
338 	struct net_device		*dev;
339 };
340 
341 int ethnl_ops_begin(struct net_device *dev);
342 void ethnl_ops_complete(struct net_device *dev);
343 
344 enum ethnl_sock_type {
345 	ETHTOOL_SOCK_TYPE_MODULE_FW_FLASH,
346 };
347 
348 struct ethnl_sock_priv {
349 	struct net *net;
350 	u32 portid;
351 	enum ethnl_sock_type type;
352 };
353 
354 int ethnl_sock_priv_set(struct sk_buff *skb, struct net *net, u32 portid,
355 			enum ethnl_sock_type type);
356 
357 /**
358  * struct ethnl_request_ops - unified handling of GET and SET requests
359  * @request_cmd:      command id for request (GET)
360  * @reply_cmd:        command id for reply (GET_REPLY)
361  * @hdr_attr:         attribute type for request header
362  * @req_info_size:    size of request info
363  * @reply_data_size:  size of reply data
364  * @allow_nodev_do:
365  *	Allow non-dump request with no device identification.
366  *	Note that locks (rtnl_lock etc.) are only taken if device is set.
367  * @set_ntf_cmd:      notification to generate on changes (SET)
368  * @parse_request:
369  *	Parse request except common header (struct ethnl_req_info). Common
370  *	header is already filled on entry, the rest up to @repdata_offset
371  *	is zero initialized. This callback should only modify type specific
372  *	request info by parsed attributes from request message.
373  *	Called for both GET and SET. Information parsed for SET will
374  *	be conveyed to the req_info used during NTF generation.
375  * @prepare_data:
376  *	Retrieve and prepare data needed to compose a reply message. Calls to
377  *	ethtool_ops handlers are limited to this callback. Common reply data
378  *	(struct ethnl_reply_data) is filled on entry, type specific part after
379  *	it is zero initialized. This callback should only modify the type
380  *	specific part of reply data. Device identification from struct
381  *	ethnl_reply_data is to be used as for dump requests, it iterates
382  *	through network devices while dev member of struct ethnl_req_info
383  *	points to the device from client request.
384  * @reply_size:
385  *	Estimate reply message size. Returned value must be sufficient for
386  *	message payload without common reply header. The callback may returned
387  *	estimate higher than actual message size if exact calculation would
388  *	not be worth the saved memory space.
389  * @fill_reply:
390  *	Fill reply message payload (except for common header) from reply data.
391  *	The callback must not generate more payload than previously called
392  *	->reply_size() estimated.
393  * @cleanup_data:
394  *	Optional cleanup called when reply data is no longer needed. Can be
395  *	used e.g. to free any additional data structures outside the main
396  *	structure which were allocated by ->prepare_data(). When processing
397  *	dump requests, ->cleanup() is called for each message.
398  * @set_validate:
399  *	Check if set operation is supported for a given device, and perform
400  *	extra input checks. Expected return values:
401  *	 - 0 if the operation is a noop for the device (rare)
402  *	 - 1 if operation should proceed to calling @set
403  *	 - negative errno on errors
404  *	Called without any locks, just a reference on the netdev.
405  * @set:
406  *	Execute the set operation. The implementation should return
407  *	 - 0 if no configuration has changed
408  *	 - 1 if configuration changed and notification should be generated
409  *	 - negative errno on errors
410  *
411  * Description of variable parts of GET request handling when using the
412  * unified infrastructure. When used, a pointer to an instance of this
413  * structure is to be added to &ethnl_default_requests array and generic
414  * handlers ethnl_default_doit(), ethnl_default_dumpit(),
415  * ethnl_default_start() and ethnl_default_done() used in @ethtool_genl_ops;
416  * ethnl_default_notify() can be used in @ethnl_notify_handlers to send
417  * notifications of the corresponding type.
418  */
419 struct ethnl_request_ops {
420 	u8			request_cmd;
421 	u8			reply_cmd;
422 	u16			hdr_attr;
423 	unsigned int		req_info_size;
424 	unsigned int		reply_data_size;
425 	bool			allow_nodev_do;
426 	u8			set_ntf_cmd;
427 
428 	int (*parse_request)(struct ethnl_req_info *req_info,
429 			     const struct genl_info *info,
430 			     struct nlattr **tb,
431 			     struct netlink_ext_ack *extack);
432 	int (*prepare_data)(const struct ethnl_req_info *req_info,
433 			    struct ethnl_reply_data *reply_data,
434 			    const struct genl_info *info);
435 	int (*reply_size)(const struct ethnl_req_info *req_info,
436 			  const struct ethnl_reply_data *reply_data);
437 	int (*fill_reply)(struct sk_buff *skb,
438 			  const struct ethnl_req_info *req_info,
439 			  const struct ethnl_reply_data *reply_data);
440 	void (*cleanup_data)(struct ethnl_reply_data *reply_data);
441 
442 	int (*set_validate)(struct ethnl_req_info *req_info,
443 			    struct genl_info *info);
444 	int (*set)(struct ethnl_req_info *req_info,
445 		   struct genl_info *info);
446 };
447 
448 /* request handlers */
449 
450 extern const struct ethnl_request_ops ethnl_strset_request_ops;
451 extern const struct ethnl_request_ops ethnl_linkinfo_request_ops;
452 extern const struct ethnl_request_ops ethnl_linkmodes_request_ops;
453 extern const struct ethnl_request_ops ethnl_linkstate_request_ops;
454 extern const struct ethnl_request_ops ethnl_debug_request_ops;
455 extern const struct ethnl_request_ops ethnl_wol_request_ops;
456 extern const struct ethnl_request_ops ethnl_features_request_ops;
457 extern const struct ethnl_request_ops ethnl_privflags_request_ops;
458 extern const struct ethnl_request_ops ethnl_rings_request_ops;
459 extern const struct ethnl_request_ops ethnl_channels_request_ops;
460 extern const struct ethnl_request_ops ethnl_coalesce_request_ops;
461 extern const struct ethnl_request_ops ethnl_pause_request_ops;
462 extern const struct ethnl_request_ops ethnl_eee_request_ops;
463 extern const struct ethnl_request_ops ethnl_tsinfo_request_ops;
464 extern const struct ethnl_request_ops ethnl_fec_request_ops;
465 extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops;
466 extern const struct ethnl_request_ops ethnl_stats_request_ops;
467 extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops;
468 extern const struct ethnl_request_ops ethnl_module_request_ops;
469 extern const struct ethnl_request_ops ethnl_pse_request_ops;
470 extern const struct ethnl_request_ops ethnl_rss_request_ops;
471 extern const struct ethnl_request_ops ethnl_plca_cfg_request_ops;
472 extern const struct ethnl_request_ops ethnl_plca_status_request_ops;
473 extern const struct ethnl_request_ops ethnl_mm_request_ops;
474 extern const struct ethnl_request_ops ethnl_phy_request_ops;
475 extern const struct ethnl_request_ops ethnl_tsconfig_request_ops;
476 extern const struct ethnl_request_ops ethnl_mse_request_ops;
477 
478 extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1];
479 extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1];
480 extern const struct nla_policy ethnl_header_policy_phy[ETHTOOL_A_HEADER_PHY_INDEX + 1];
481 extern const struct nla_policy ethnl_header_policy_phy_stats[ETHTOOL_A_HEADER_PHY_INDEX + 1];
482 extern const struct nla_policy ethnl_strset_get_policy[ETHTOOL_A_STRSET_COUNTS_ONLY + 1];
483 extern const struct nla_policy ethnl_linkinfo_get_policy[ETHTOOL_A_LINKINFO_HEADER + 1];
484 extern const struct nla_policy ethnl_linkinfo_set_policy[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL + 1];
485 extern const struct nla_policy ethnl_linkmodes_get_policy[ETHTOOL_A_LINKMODES_HEADER + 1];
486 extern const struct nla_policy ethnl_linkmodes_set_policy[ETHTOOL_A_LINKMODES_LANES + 1];
487 extern const struct nla_policy ethnl_linkstate_get_policy[ETHTOOL_A_LINKSTATE_HEADER + 1];
488 extern const struct nla_policy ethnl_debug_get_policy[ETHTOOL_A_DEBUG_HEADER + 1];
489 extern const struct nla_policy ethnl_debug_set_policy[ETHTOOL_A_DEBUG_MSGMASK + 1];
490 extern const struct nla_policy ethnl_wol_get_policy[ETHTOOL_A_WOL_HEADER + 1];
491 extern const struct nla_policy ethnl_wol_set_policy[ETHTOOL_A_WOL_SOPASS + 1];
492 extern const struct nla_policy ethnl_features_get_policy[ETHTOOL_A_FEATURES_HEADER + 1];
493 extern const struct nla_policy ethnl_features_set_policy[ETHTOOL_A_FEATURES_WANTED + 1];
494 extern const struct nla_policy ethnl_privflags_get_policy[ETHTOOL_A_PRIVFLAGS_HEADER + 1];
495 extern const struct nla_policy ethnl_privflags_set_policy[ETHTOOL_A_PRIVFLAGS_FLAGS + 1];
496 extern const struct nla_policy ethnl_rings_get_policy[ETHTOOL_A_RINGS_HEADER + 1];
497 extern const struct nla_policy ethnl_rings_set_policy[ETHTOOL_A_RINGS_HDS_THRESH_MAX + 1];
498 extern const struct nla_policy ethnl_channels_get_policy[ETHTOOL_A_CHANNELS_HEADER + 1];
499 extern const struct nla_policy ethnl_channels_set_policy[ETHTOOL_A_CHANNELS_COMBINED_COUNT + 1];
500 extern const struct nla_policy ethnl_coalesce_get_policy[ETHTOOL_A_COALESCE_HEADER + 1];
501 extern const struct nla_policy ethnl_coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1];
502 extern const struct nla_policy ethnl_pause_get_policy[ETHTOOL_A_PAUSE_STATS_SRC + 1];
503 extern const struct nla_policy ethnl_pause_set_policy[ETHTOOL_A_PAUSE_STATS_SRC + 1];
504 extern const struct nla_policy ethnl_eee_get_policy[ETHTOOL_A_EEE_HEADER + 1];
505 extern const struct nla_policy ethnl_eee_set_policy[ETHTOOL_A_EEE_TX_LPI_TIMER + 1];
506 extern const struct nla_policy ethnl_tsinfo_get_policy[ETHTOOL_A_TSINFO_MAX + 1];
507 extern const struct nla_policy ethnl_cable_test_act_policy[ETHTOOL_A_CABLE_TEST_HEADER + 1];
508 extern const struct nla_policy ethnl_cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG + 1];
509 extern const struct nla_policy ethnl_tunnel_info_get_policy[ETHTOOL_A_TUNNEL_INFO_HEADER + 1];
510 extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1];
511 extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1];
512 extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1];
513 extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_SRC + 1];
514 extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1];
515 extern const struct nla_policy ethnl_module_get_policy[ETHTOOL_A_MODULE_HEADER + 1];
516 extern const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLICY + 1];
517 extern const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1];
518 extern const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1];
519 extern const struct nla_policy ethnl_rss_get_policy[ETHTOOL_A_RSS_START_CONTEXT + 1];
520 extern const struct nla_policy ethnl_rss_set_policy[ETHTOOL_A_RSS_FLOW_HASH + 1];
521 extern const struct nla_policy ethnl_rss_create_policy[ETHTOOL_A_RSS_INPUT_XFRM + 1];
522 extern const struct nla_policy ethnl_rss_delete_policy[ETHTOOL_A_RSS_CONTEXT + 1];
523 extern const struct nla_policy ethnl_plca_get_cfg_policy[ETHTOOL_A_PLCA_HEADER + 1];
524 extern const struct nla_policy ethnl_plca_set_cfg_policy[ETHTOOL_A_PLCA_MAX + 1];
525 extern const struct nla_policy ethnl_plca_get_status_policy[ETHTOOL_A_PLCA_HEADER + 1];
526 extern const struct nla_policy ethnl_mm_get_policy[ETHTOOL_A_MM_HEADER + 1];
527 extern const struct nla_policy ethnl_mm_set_policy[ETHTOOL_A_MM_MAX + 1];
528 extern const struct nla_policy ethnl_module_fw_flash_act_policy[ETHTOOL_A_MODULE_FW_FLASH_PASSWORD + 1];
529 extern const struct nla_policy ethnl_phy_get_policy[ETHTOOL_A_PHY_HEADER + 1];
530 extern const struct nla_policy ethnl_tsconfig_get_policy[ETHTOOL_A_TSCONFIG_HEADER + 1];
531 extern const struct nla_policy ethnl_tsconfig_set_policy[ETHTOOL_A_TSCONFIG_MAX + 1];
532 extern const struct nla_policy ethnl_mse_get_policy[ETHTOOL_A_MSE_HEADER + 1];
533 
534 int ethnl_set_features(struct sk_buff *skb, struct genl_info *info);
535 int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info);
536 int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info);
537 int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info);
538 int ethnl_tunnel_info_start(struct netlink_callback *cb);
539 int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
540 int ethnl_act_module_fw_flash(struct sk_buff *skb, struct genl_info *info);
541 int ethnl_rss_dump_start(struct netlink_callback *cb);
542 int ethnl_rss_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
543 int ethnl_tsinfo_start(struct netlink_callback *cb);
544 int ethnl_tsinfo_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
545 int ethnl_tsinfo_done(struct netlink_callback *cb);
546 int ethnl_rss_create_doit(struct sk_buff *skb, struct genl_info *info);
547 int ethnl_rss_delete_doit(struct sk_buff *skb, struct genl_info *info);
548 
549 extern const char stats_std_names[__ETHTOOL_STATS_CNT][ETH_GSTRING_LEN];
550 extern const char stats_eth_phy_names[__ETHTOOL_A_STATS_ETH_PHY_CNT][ETH_GSTRING_LEN];
551 extern const char stats_eth_mac_names[__ETHTOOL_A_STATS_ETH_MAC_CNT][ETH_GSTRING_LEN];
552 extern const char stats_eth_ctrl_names[__ETHTOOL_A_STATS_ETH_CTRL_CNT][ETH_GSTRING_LEN];
553 extern const char stats_rmon_names[__ETHTOOL_A_STATS_RMON_CNT][ETH_GSTRING_LEN];
554 extern const char stats_phy_names[__ETHTOOL_A_STATS_PHY_CNT][ETH_GSTRING_LEN];
555 
556 #endif /* _NET_ETHTOOL_NETLINK_H */
557