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