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 (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 (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 | int ethnl_multicast(struct sk_buff *skb, struct net_device *dev); |
25 | |
26 | /** |
27 | * ethnl_strz_size() - calculate attribute length for fixed size string |
28 | * @s: ETH_GSTRING_LEN sized string (may not be null terminated) |
29 | * |
30 | * Return: total length of an attribute with null terminated string from @s |
31 | */ |
32 | static inline int ethnl_strz_size(const char *s) |
33 | { |
34 | return nla_total_size(payload: strnlen(p: s, ETH_GSTRING_LEN) + 1); |
35 | } |
36 | |
37 | /** |
38 | * ethnl_put_strz() - put string attribute with fixed size string |
39 | * @skb: skb with the message |
40 | * @attrtype: attribute type |
41 | * @s: ETH_GSTRING_LEN sized string (may not be null terminated) |
42 | * |
43 | * Puts an attribute with null terminated string from @s into the message. |
44 | * |
45 | * Return: 0 on success, negative error code on failure |
46 | */ |
47 | static inline int ethnl_put_strz(struct sk_buff *skb, u16 attrtype, |
48 | const char *s) |
49 | { |
50 | unsigned int len = strnlen(p: s, ETH_GSTRING_LEN); |
51 | struct nlattr *attr; |
52 | |
53 | attr = nla_reserve(skb, attrtype, attrlen: len + 1); |
54 | if (!attr) |
55 | return -EMSGSIZE; |
56 | |
57 | memcpy(nla_data(attr), s, len); |
58 | ((char *)nla_data(nla: attr))[len] = '\0'; |
59 | return 0; |
60 | } |
61 | |
62 | /** |
63 | * ethnl_update_u32() - update u32 value from NLA_U32 attribute |
64 | * @dst: value to update |
65 | * @attr: netlink attribute with new value or null |
66 | * @mod: pointer to bool for modification tracking |
67 | * |
68 | * Copy the u32 value from NLA_U32 netlink attribute @attr into variable |
69 | * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod |
70 | * is set to true if this function changed the value of *dst, otherwise it |
71 | * is left as is. |
72 | */ |
73 | static inline void ethnl_update_u32(u32 *dst, const struct nlattr *attr, |
74 | bool *mod) |
75 | { |
76 | u32 val; |
77 | |
78 | if (!attr) |
79 | return; |
80 | val = nla_get_u32(nla: attr); |
81 | if (*dst == val) |
82 | return; |
83 | |
84 | *dst = val; |
85 | *mod = true; |
86 | } |
87 | |
88 | /** |
89 | * ethnl_update_u8() - update u8 value from NLA_U8 attribute |
90 | * @dst: value to update |
91 | * @attr: netlink attribute with new value or null |
92 | * @mod: pointer to bool for modification tracking |
93 | * |
94 | * Copy the u8 value from NLA_U8 netlink attribute @attr into variable |
95 | * pointed to by @dst; do nothing if @attr is null. Bool pointed to by @mod |
96 | * is set to true if this function changed the value of *dst, otherwise it |
97 | * is left as is. |
98 | */ |
99 | static inline void ethnl_update_u8(u8 *dst, const struct nlattr *attr, |
100 | bool *mod) |
101 | { |
102 | u8 val; |
103 | |
104 | if (!attr) |
105 | return; |
106 | val = nla_get_u8(nla: attr); |
107 | if (*dst == val) |
108 | return; |
109 | |
110 | *dst = val; |
111 | *mod = true; |
112 | } |
113 | |
114 | /** |
115 | * ethnl_update_bool32() - update u32 used as bool from NLA_U8 attribute |
116 | * @dst: value to update |
117 | * @attr: netlink attribute with new value or null |
118 | * @mod: pointer to bool for modification tracking |
119 | * |
120 | * Use the u8 value from NLA_U8 netlink attribute @attr to set u32 variable |
121 | * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is |
122 | * null. Bool pointed to by @mod is set to true if this function changed the |
123 | * logical value of *dst, otherwise it is left as is. |
124 | */ |
125 | static inline void ethnl_update_bool32(u32 *dst, const struct nlattr *attr, |
126 | bool *mod) |
127 | { |
128 | u8 val; |
129 | |
130 | if (!attr) |
131 | return; |
132 | val = !!nla_get_u8(nla: attr); |
133 | if (!!*dst == val) |
134 | return; |
135 | |
136 | *dst = val; |
137 | *mod = true; |
138 | } |
139 | |
140 | /** |
141 | * ethnl_update_bool() - updateb bool used as bool from NLA_U8 attribute |
142 | * @dst: value to update |
143 | * @attr: netlink attribute with new value or null |
144 | * @mod: pointer to bool for modification tracking |
145 | * |
146 | * Use the bool value from NLA_U8 netlink attribute @attr to set bool variable |
147 | * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is |
148 | * null. Bool pointed to by @mod is set to true if this function changed the |
149 | * logical value of *dst, otherwise it is left as is. |
150 | */ |
151 | static inline void ethnl_update_bool(bool *dst, const struct nlattr *attr, |
152 | bool *mod) |
153 | { |
154 | u8 val; |
155 | |
156 | if (!attr) |
157 | return; |
158 | val = !!nla_get_u8(nla: attr); |
159 | if (!!*dst == val) |
160 | return; |
161 | |
162 | *dst = val; |
163 | *mod = true; |
164 | } |
165 | |
166 | /** |
167 | * ethnl_update_binary() - update binary data from NLA_BINARY attribute |
168 | * @dst: value to update |
169 | * @len: destination buffer length |
170 | * @attr: netlink attribute with new value or null |
171 | * @mod: pointer to bool for modification tracking |
172 | * |
173 | * Use the u8 value from NLA_U8 netlink attribute @attr to rewrite data block |
174 | * of length @len at @dst by attribute payload; do nothing if @attr is null. |
175 | * Bool pointed to by @mod is set to true if this function changed the logical |
176 | * value of *dst, otherwise it is left as is. |
177 | */ |
178 | static inline void ethnl_update_binary(void *dst, unsigned int len, |
179 | const struct nlattr *attr, bool *mod) |
180 | { |
181 | if (!attr) |
182 | return; |
183 | if (nla_len(nla: attr) < len) |
184 | len = nla_len(nla: attr); |
185 | if (!memcmp(p: dst, q: nla_data(nla: attr), size: len)) |
186 | return; |
187 | |
188 | memcpy(dst, nla_data(attr), len); |
189 | *mod = true; |
190 | } |
191 | |
192 | /** |
193 | * ethnl_update_bitfield32() - update u32 value from NLA_BITFIELD32 attribute |
194 | * @dst: value to update |
195 | * @attr: netlink attribute with new value or null |
196 | * @mod: pointer to bool for modification tracking |
197 | * |
198 | * Update bits in u32 value which are set in attribute's mask to values from |
199 | * attribute's value. Do nothing if @attr is null or the value wouldn't change; |
200 | * otherwise, set bool pointed to by @mod to true. |
201 | */ |
202 | static inline void ethnl_update_bitfield32(u32 *dst, const struct nlattr *attr, |
203 | bool *mod) |
204 | { |
205 | struct nla_bitfield32 change; |
206 | u32 newval; |
207 | |
208 | if (!attr) |
209 | return; |
210 | change = nla_get_bitfield32(nla: attr); |
211 | newval = (*dst & ~change.selector) | (change.value & change.selector); |
212 | if (*dst == newval) |
213 | return; |
214 | |
215 | *dst = newval; |
216 | *mod = true; |
217 | } |
218 | |
219 | /** |
220 | * ethnl_reply_header_size() - total size of reply header |
221 | * |
222 | * This is an upper estimate so that we do not need to hold RTNL lock longer |
223 | * than necessary (to prevent rename between size estimate and composing the |
224 | * message). Accounts only for device ifindex and name as those are the only |
225 | * attributes ethnl_fill_reply_header() puts into the reply header. |
226 | */ |
227 | static inline unsigned int (void) |
228 | { |
229 | return nla_total_size(payload: nla_total_size(payload: sizeof(u32)) + |
230 | nla_total_size(IFNAMSIZ)); |
231 | } |
232 | |
233 | /* GET request handling */ |
234 | |
235 | /* Unified processing of GET requests uses two data structures: request info |
236 | * and reply data. Request info holds information parsed from client request |
237 | * and its stays constant through all request processing. Reply data holds data |
238 | * retrieved from ethtool_ops callbacks or other internal sources which is used |
239 | * to compose the reply. When processing a dump request, request info is filled |
240 | * only once (when the request message is parsed) but reply data is filled for |
241 | * each reply message. |
242 | * |
243 | * Both structures consist of part common for all request types (struct |
244 | * ethnl_req_info and struct ethnl_reply_data defined below) and optional |
245 | * parts specific for each request type. Common part always starts at offset 0. |
246 | */ |
247 | |
248 | /** |
249 | * struct ethnl_req_info - base type of request information for GET requests |
250 | * @dev: network device the request is for (may be null) |
251 | * @dev_tracker: refcount tracker for @dev reference |
252 | * @flags: request flags common for all request types |
253 | * |
254 | * This is a common base for request specific structures holding data from |
255 | * parsed userspace request. These always embed struct ethnl_req_info at |
256 | * zero offset. |
257 | */ |
258 | struct ethnl_req_info { |
259 | struct net_device *dev; |
260 | netdevice_tracker dev_tracker; |
261 | u32 flags; |
262 | }; |
263 | |
264 | static inline void (struct ethnl_req_info *req_info) |
265 | { |
266 | netdev_put(dev: req_info->dev, tracker: &req_info->dev_tracker); |
267 | } |
268 | |
269 | /** |
270 | * struct ethnl_reply_data - base type of reply data for GET requests |
271 | * @dev: device for current reply message; in single shot requests it is |
272 | * equal to ðnl_req_info.dev; in dumps it's different for each |
273 | * reply message |
274 | * |
275 | * This is a common base for request specific structures holding data for |
276 | * kernel reply message. These always embed struct ethnl_reply_data at zero |
277 | * offset. |
278 | */ |
279 | struct ethnl_reply_data { |
280 | struct net_device *dev; |
281 | }; |
282 | |
283 | int ethnl_ops_begin(struct net_device *dev); |
284 | void ethnl_ops_complete(struct net_device *dev); |
285 | |
286 | /** |
287 | * struct ethnl_request_ops - unified handling of GET and SET requests |
288 | * @request_cmd: command id for request (GET) |
289 | * @reply_cmd: command id for reply (GET_REPLY) |
290 | * @hdr_attr: attribute type for request header |
291 | * @req_info_size: size of request info |
292 | * @reply_data_size: size of reply data |
293 | * @allow_nodev_do: allow non-dump request with no device identification |
294 | * @set_ntf_cmd: notification to generate on changes (SET) |
295 | * @parse_request: |
296 | * Parse request except common header (struct ethnl_req_info). Common |
297 | * header is already filled on entry, the rest up to @repdata_offset |
298 | * is zero initialized. This callback should only modify type specific |
299 | * request info by parsed attributes from request message. |
300 | * @prepare_data: |
301 | * Retrieve and prepare data needed to compose a reply message. Calls to |
302 | * ethtool_ops handlers are limited to this callback. Common reply data |
303 | * (struct ethnl_reply_data) is filled on entry, type specific part after |
304 | * it is zero initialized. This callback should only modify the type |
305 | * specific part of reply data. Device identification from struct |
306 | * ethnl_reply_data is to be used as for dump requests, it iterates |
307 | * through network devices while dev member of struct ethnl_req_info |
308 | * points to the device from client request. |
309 | * @reply_size: |
310 | * Estimate reply message size. Returned value must be sufficient for |
311 | * message payload without common reply header. The callback may returned |
312 | * estimate higher than actual message size if exact calculation would |
313 | * not be worth the saved memory space. |
314 | * @fill_reply: |
315 | * Fill reply message payload (except for common header) from reply data. |
316 | * The callback must not generate more payload than previously called |
317 | * ->reply_size() estimated. |
318 | * @cleanup_data: |
319 | * Optional cleanup called when reply data is no longer needed. Can be |
320 | * used e.g. to free any additional data structures outside the main |
321 | * structure which were allocated by ->prepare_data(). When processing |
322 | * dump requests, ->cleanup() is called for each message. |
323 | * @set_validate: |
324 | * Check if set operation is supported for a given device, and perform |
325 | * extra input checks. Expected return values: |
326 | * - 0 if the operation is a noop for the device (rare) |
327 | * - 1 if operation should proceed to calling @set |
328 | * - negative errno on errors |
329 | * Called without any locks, just a reference on the netdev. |
330 | * @set: |
331 | * Execute the set operation. The implementation should return |
332 | * - 0 if no configuration has changed |
333 | * - 1 if configuration changed and notification should be generated |
334 | * - negative errno on errors |
335 | * |
336 | * Description of variable parts of GET request handling when using the |
337 | * unified infrastructure. When used, a pointer to an instance of this |
338 | * structure is to be added to ðnl_default_requests array and generic |
339 | * handlers ethnl_default_doit(), ethnl_default_dumpit(), |
340 | * ethnl_default_start() and ethnl_default_done() used in @ethtool_genl_ops; |
341 | * ethnl_default_notify() can be used in @ethnl_notify_handlers to send |
342 | * notifications of the corresponding type. |
343 | */ |
344 | struct ethnl_request_ops { |
345 | u8 request_cmd; |
346 | u8 reply_cmd; |
347 | u16 hdr_attr; |
348 | unsigned int req_info_size; |
349 | unsigned int reply_data_size; |
350 | bool allow_nodev_do; |
351 | u8 set_ntf_cmd; |
352 | |
353 | int (*parse_request)(struct ethnl_req_info *req_info, |
354 | struct nlattr **tb, |
355 | struct netlink_ext_ack *extack); |
356 | int (*prepare_data)(const struct ethnl_req_info *req_info, |
357 | struct ethnl_reply_data *reply_data, |
358 | const struct genl_info *info); |
359 | int (*reply_size)(const struct ethnl_req_info *req_info, |
360 | const struct ethnl_reply_data *reply_data); |
361 | int (*fill_reply)(struct sk_buff *skb, |
362 | const struct ethnl_req_info *req_info, |
363 | const struct ethnl_reply_data *reply_data); |
364 | void (*cleanup_data)(struct ethnl_reply_data *reply_data); |
365 | |
366 | int (*set_validate)(struct ethnl_req_info *req_info, |
367 | struct genl_info *info); |
368 | int (*set)(struct ethnl_req_info *req_info, |
369 | struct genl_info *info); |
370 | }; |
371 | |
372 | /* request handlers */ |
373 | |
374 | extern const struct ethnl_request_ops ethnl_strset_request_ops; |
375 | extern const struct ethnl_request_ops ethnl_linkinfo_request_ops; |
376 | extern const struct ethnl_request_ops ethnl_linkmodes_request_ops; |
377 | extern const struct ethnl_request_ops ethnl_linkstate_request_ops; |
378 | extern const struct ethnl_request_ops ethnl_debug_request_ops; |
379 | extern const struct ethnl_request_ops ethnl_wol_request_ops; |
380 | extern const struct ethnl_request_ops ethnl_features_request_ops; |
381 | extern const struct ethnl_request_ops ethnl_privflags_request_ops; |
382 | extern const struct ethnl_request_ops ethnl_rings_request_ops; |
383 | extern const struct ethnl_request_ops ethnl_channels_request_ops; |
384 | extern const struct ethnl_request_ops ethnl_coalesce_request_ops; |
385 | extern const struct ethnl_request_ops ethnl_pause_request_ops; |
386 | extern const struct ethnl_request_ops ethnl_eee_request_ops; |
387 | extern const struct ethnl_request_ops ethnl_tsinfo_request_ops; |
388 | extern const struct ethnl_request_ops ethnl_fec_request_ops; |
389 | extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops; |
390 | extern const struct ethnl_request_ops ethnl_stats_request_ops; |
391 | extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops; |
392 | extern const struct ethnl_request_ops ethnl_module_request_ops; |
393 | extern const struct ethnl_request_ops ethnl_pse_request_ops; |
394 | extern const struct ethnl_request_ops ; |
395 | extern const struct ethnl_request_ops ethnl_plca_cfg_request_ops; |
396 | extern const struct ethnl_request_ops ethnl_plca_status_request_ops; |
397 | extern const struct ethnl_request_ops ethnl_mm_request_ops; |
398 | |
399 | extern const struct nla_policy [ETHTOOL_A_HEADER_FLAGS + 1]; |
400 | extern const struct nla_policy [ETHTOOL_A_HEADER_FLAGS + 1]; |
401 | extern const struct nla_policy ethnl_strset_get_policy[ETHTOOL_A_STRSET_COUNTS_ONLY + 1]; |
402 | extern const struct nla_policy ethnl_linkinfo_get_policy[ETHTOOL_A_LINKINFO_HEADER + 1]; |
403 | extern const struct nla_policy ethnl_linkinfo_set_policy[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL + 1]; |
404 | extern const struct nla_policy ethnl_linkmodes_get_policy[ETHTOOL_A_LINKMODES_HEADER + 1]; |
405 | extern const struct nla_policy ethnl_linkmodes_set_policy[ETHTOOL_A_LINKMODES_LANES + 1]; |
406 | extern const struct nla_policy ethnl_linkstate_get_policy[ETHTOOL_A_LINKSTATE_HEADER + 1]; |
407 | extern const struct nla_policy ethnl_debug_get_policy[ETHTOOL_A_DEBUG_HEADER + 1]; |
408 | extern const struct nla_policy ethnl_debug_set_policy[ETHTOOL_A_DEBUG_MSGMASK + 1]; |
409 | extern const struct nla_policy ethnl_wol_get_policy[ETHTOOL_A_WOL_HEADER + 1]; |
410 | extern const struct nla_policy ethnl_wol_set_policy[ETHTOOL_A_WOL_SOPASS + 1]; |
411 | extern const struct nla_policy ethnl_features_get_policy[ETHTOOL_A_FEATURES_HEADER + 1]; |
412 | extern const struct nla_policy ethnl_features_set_policy[ETHTOOL_A_FEATURES_WANTED + 1]; |
413 | extern const struct nla_policy ethnl_privflags_get_policy[ETHTOOL_A_PRIVFLAGS_HEADER + 1]; |
414 | extern const struct nla_policy ethnl_privflags_set_policy[ETHTOOL_A_PRIVFLAGS_FLAGS + 1]; |
415 | extern const struct nla_policy ethnl_rings_get_policy[ETHTOOL_A_RINGS_HEADER + 1]; |
416 | extern const struct nla_policy ethnl_rings_set_policy[ETHTOOL_A_RINGS_TX_PUSH_BUF_LEN_MAX + 1]; |
417 | extern const struct nla_policy ethnl_channels_get_policy[ETHTOOL_A_CHANNELS_HEADER + 1]; |
418 | extern const struct nla_policy ethnl_channels_set_policy[ETHTOOL_A_CHANNELS_COMBINED_COUNT + 1]; |
419 | extern const struct nla_policy ethnl_coalesce_get_policy[ETHTOOL_A_COALESCE_HEADER + 1]; |
420 | extern const struct nla_policy ethnl_coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1]; |
421 | extern const struct nla_policy ethnl_pause_get_policy[ETHTOOL_A_PAUSE_STATS_SRC + 1]; |
422 | extern const struct nla_policy ethnl_pause_set_policy[ETHTOOL_A_PAUSE_TX + 1]; |
423 | extern const struct nla_policy ethnl_eee_get_policy[ETHTOOL_A_EEE_HEADER + 1]; |
424 | extern const struct nla_policy ethnl_eee_set_policy[ETHTOOL_A_EEE_TX_LPI_TIMER + 1]; |
425 | extern const struct nla_policy ethnl_tsinfo_get_policy[ETHTOOL_A_TSINFO_HEADER + 1]; |
426 | extern const struct nla_policy ethnl_cable_test_act_policy[ETHTOOL_A_CABLE_TEST_HEADER + 1]; |
427 | extern const struct nla_policy ethnl_cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG + 1]; |
428 | extern const struct nla_policy ethnl_tunnel_info_get_policy[ETHTOOL_A_TUNNEL_INFO_HEADER + 1]; |
429 | extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1]; |
430 | extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1]; |
431 | extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1]; |
432 | extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_SRC + 1]; |
433 | extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1]; |
434 | extern const struct nla_policy ethnl_module_get_policy[ETHTOOL_A_MODULE_HEADER + 1]; |
435 | extern const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLICY + 1]; |
436 | extern const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1]; |
437 | extern const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1]; |
438 | extern const struct nla_policy [ETHTOOL_A_RSS_CONTEXT + 1]; |
439 | extern const struct nla_policy ethnl_plca_get_cfg_policy[ETHTOOL_A_PLCA_HEADER + 1]; |
440 | extern const struct nla_policy ethnl_plca_set_cfg_policy[ETHTOOL_A_PLCA_MAX + 1]; |
441 | extern const struct nla_policy ethnl_plca_get_status_policy[ETHTOOL_A_PLCA_HEADER + 1]; |
442 | extern const struct nla_policy ethnl_mm_get_policy[ETHTOOL_A_MM_HEADER + 1]; |
443 | extern const struct nla_policy ethnl_mm_set_policy[ETHTOOL_A_MM_MAX + 1]; |
444 | |
445 | int ethnl_set_features(struct sk_buff *skb, struct genl_info *info); |
446 | int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info); |
447 | int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info); |
448 | int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info); |
449 | int ethnl_tunnel_info_start(struct netlink_callback *cb); |
450 | int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb); |
451 | |
452 | extern const char stats_std_names[__ETHTOOL_STATS_CNT][ETH_GSTRING_LEN]; |
453 | extern const char stats_eth_phy_names[__ETHTOOL_A_STATS_ETH_PHY_CNT][ETH_GSTRING_LEN]; |
454 | extern const char stats_eth_mac_names[__ETHTOOL_A_STATS_ETH_MAC_CNT][ETH_GSTRING_LEN]; |
455 | extern const char stats_eth_ctrl_names[__ETHTOOL_A_STATS_ETH_CTRL_CNT][ETH_GSTRING_LEN]; |
456 | extern const char stats_rmon_names[__ETHTOOL_A_STATS_RMON_CNT][ETH_GSTRING_LEN]; |
457 | |
458 | #endif /* _NET_ETHTOOL_NETLINK_H */ |
459 | |