]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * net/core/ethtool.c - Ethtool ioctl handler | |
3 | * Copyright (c) 2003 Matthew Wilcox <matthew@wil.cx> | |
4 | * | |
5 | * This file is where we call all the ethtool_ops commands to get | |
6 | * the information ethtool needs. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/types.h> | |
16 | #include <linux/capability.h> | |
17 | #include <linux/errno.h> | |
18 | #include <linux/ethtool.h> | |
19 | #include <linux/netdevice.h> | |
20 | #include <linux/bitops.h> | |
21 | #include <linux/uaccess.h> | |
22 | #include <linux/vmalloc.h> | |
23 | #include <linux/slab.h> | |
24 | ||
25 | /* | |
26 | * Some useful ethtool_ops methods that're device independent. | |
27 | * If we find that all drivers want to do the same thing here, | |
28 | * we can turn these into dev_() function calls. | |
29 | */ | |
30 | ||
31 | u32 ethtool_op_get_link(struct net_device *dev) | |
32 | { | |
33 | return netif_carrier_ok(dev) ? 1 : 0; | |
34 | } | |
35 | EXPORT_SYMBOL(ethtool_op_get_link); | |
36 | ||
37 | u32 ethtool_op_get_rx_csum(struct net_device *dev) | |
38 | { | |
39 | return (dev->features & NETIF_F_ALL_CSUM) != 0; | |
40 | } | |
41 | EXPORT_SYMBOL(ethtool_op_get_rx_csum); | |
42 | ||
43 | u32 ethtool_op_get_tx_csum(struct net_device *dev) | |
44 | { | |
45 | return (dev->features & NETIF_F_ALL_CSUM) != 0; | |
46 | } | |
47 | EXPORT_SYMBOL(ethtool_op_get_tx_csum); | |
48 | ||
49 | int ethtool_op_set_tx_csum(struct net_device *dev, u32 data) | |
50 | { | |
51 | if (data) | |
52 | dev->features |= NETIF_F_IP_CSUM; | |
53 | else | |
54 | dev->features &= ~NETIF_F_IP_CSUM; | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data) | |
60 | { | |
61 | if (data) | |
62 | dev->features |= NETIF_F_HW_CSUM; | |
63 | else | |
64 | dev->features &= ~NETIF_F_HW_CSUM; | |
65 | ||
66 | return 0; | |
67 | } | |
68 | EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum); | |
69 | ||
70 | int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data) | |
71 | { | |
72 | if (data) | |
73 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | |
74 | else | |
75 | dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum); | |
80 | ||
81 | u32 ethtool_op_get_sg(struct net_device *dev) | |
82 | { | |
83 | return (dev->features & NETIF_F_SG) != 0; | |
84 | } | |
85 | EXPORT_SYMBOL(ethtool_op_get_sg); | |
86 | ||
87 | int ethtool_op_set_sg(struct net_device *dev, u32 data) | |
88 | { | |
89 | if (data) | |
90 | dev->features |= NETIF_F_SG; | |
91 | else | |
92 | dev->features &= ~NETIF_F_SG; | |
93 | ||
94 | return 0; | |
95 | } | |
96 | EXPORT_SYMBOL(ethtool_op_set_sg); | |
97 | ||
98 | u32 ethtool_op_get_tso(struct net_device *dev) | |
99 | { | |
100 | return (dev->features & NETIF_F_TSO) != 0; | |
101 | } | |
102 | EXPORT_SYMBOL(ethtool_op_get_tso); | |
103 | ||
104 | int ethtool_op_set_tso(struct net_device *dev, u32 data) | |
105 | { | |
106 | if (data) | |
107 | dev->features |= NETIF_F_TSO; | |
108 | else | |
109 | dev->features &= ~NETIF_F_TSO; | |
110 | ||
111 | return 0; | |
112 | } | |
113 | EXPORT_SYMBOL(ethtool_op_set_tso); | |
114 | ||
115 | u32 ethtool_op_get_ufo(struct net_device *dev) | |
116 | { | |
117 | return (dev->features & NETIF_F_UFO) != 0; | |
118 | } | |
119 | EXPORT_SYMBOL(ethtool_op_get_ufo); | |
120 | ||
121 | int ethtool_op_set_ufo(struct net_device *dev, u32 data) | |
122 | { | |
123 | if (data) | |
124 | dev->features |= NETIF_F_UFO; | |
125 | else | |
126 | dev->features &= ~NETIF_F_UFO; | |
127 | return 0; | |
128 | } | |
129 | EXPORT_SYMBOL(ethtool_op_set_ufo); | |
130 | ||
131 | /* the following list of flags are the same as their associated | |
132 | * NETIF_F_xxx values in include/linux/netdevice.h | |
133 | */ | |
134 | static const u32 flags_dup_features = | |
135 | (ETH_FLAG_LRO | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH); | |
136 | ||
137 | u32 ethtool_op_get_flags(struct net_device *dev) | |
138 | { | |
139 | /* in the future, this function will probably contain additional | |
140 | * handling for flags which are not so easily handled | |
141 | * by a simple masking operation | |
142 | */ | |
143 | ||
144 | return dev->features & flags_dup_features; | |
145 | } | |
146 | EXPORT_SYMBOL(ethtool_op_get_flags); | |
147 | ||
148 | int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported) | |
149 | { | |
150 | if (data & ~supported) | |
151 | return -EINVAL; | |
152 | ||
153 | dev->features = ((dev->features & ~flags_dup_features) | | |
154 | (data & flags_dup_features)); | |
155 | return 0; | |
156 | } | |
157 | EXPORT_SYMBOL(ethtool_op_set_flags); | |
158 | ||
159 | void ethtool_ntuple_flush(struct net_device *dev) | |
160 | { | |
161 | struct ethtool_rx_ntuple_flow_spec_container *fsc, *f; | |
162 | ||
163 | list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) { | |
164 | list_del(&fsc->list); | |
165 | kfree(fsc); | |
166 | } | |
167 | dev->ethtool_ntuple_list.count = 0; | |
168 | } | |
169 | EXPORT_SYMBOL(ethtool_ntuple_flush); | |
170 | ||
171 | /* Handlers for each ethtool command */ | |
172 | ||
173 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
174 | { | |
175 | struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET }; | |
176 | int err; | |
177 | ||
178 | if (!dev->ethtool_ops->get_settings) | |
179 | return -EOPNOTSUPP; | |
180 | ||
181 | err = dev->ethtool_ops->get_settings(dev, &cmd); | |
182 | if (err < 0) | |
183 | return err; | |
184 | ||
185 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
186 | return -EFAULT; | |
187 | return 0; | |
188 | } | |
189 | ||
190 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
191 | { | |
192 | struct ethtool_cmd cmd; | |
193 | ||
194 | if (!dev->ethtool_ops->set_settings) | |
195 | return -EOPNOTSUPP; | |
196 | ||
197 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
198 | return -EFAULT; | |
199 | ||
200 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
201 | } | |
202 | ||
203 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, | |
204 | void __user *useraddr) | |
205 | { | |
206 | struct ethtool_drvinfo info; | |
207 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
208 | ||
209 | memset(&info, 0, sizeof(info)); | |
210 | info.cmd = ETHTOOL_GDRVINFO; | |
211 | if (ops && ops->get_drvinfo) { | |
212 | ops->get_drvinfo(dev, &info); | |
213 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
214 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
215 | sizeof(info.bus_info)); | |
216 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
217 | sizeof(info.driver)); | |
218 | } else { | |
219 | return -EOPNOTSUPP; | |
220 | } | |
221 | ||
222 | /* | |
223 | * this method of obtaining string set info is deprecated; | |
224 | * Use ETHTOOL_GSSET_INFO instead. | |
225 | */ | |
226 | if (ops && ops->get_sset_count) { | |
227 | int rc; | |
228 | ||
229 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
230 | if (rc >= 0) | |
231 | info.testinfo_len = rc; | |
232 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
233 | if (rc >= 0) | |
234 | info.n_stats = rc; | |
235 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); | |
236 | if (rc >= 0) | |
237 | info.n_priv_flags = rc; | |
238 | } | |
239 | if (ops && ops->get_regs_len) | |
240 | info.regdump_len = ops->get_regs_len(dev); | |
241 | if (ops && ops->get_eeprom_len) | |
242 | info.eedump_len = ops->get_eeprom_len(dev); | |
243 | ||
244 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
245 | return -EFAULT; | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, | |
250 | void __user *useraddr) | |
251 | { | |
252 | struct ethtool_sset_info info; | |
253 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
254 | u64 sset_mask; | |
255 | int i, idx = 0, n_bits = 0, ret, rc; | |
256 | u32 *info_buf = NULL; | |
257 | ||
258 | if (!ops->get_sset_count) | |
259 | return -EOPNOTSUPP; | |
260 | ||
261 | if (copy_from_user(&info, useraddr, sizeof(info))) | |
262 | return -EFAULT; | |
263 | ||
264 | /* store copy of mask, because we zero struct later on */ | |
265 | sset_mask = info.sset_mask; | |
266 | if (!sset_mask) | |
267 | return 0; | |
268 | ||
269 | /* calculate size of return buffer */ | |
270 | n_bits = hweight64(sset_mask); | |
271 | ||
272 | memset(&info, 0, sizeof(info)); | |
273 | info.cmd = ETHTOOL_GSSET_INFO; | |
274 | ||
275 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
276 | if (!info_buf) | |
277 | return -ENOMEM; | |
278 | ||
279 | /* | |
280 | * fill return buffer based on input bitmask and successful | |
281 | * get_sset_count return | |
282 | */ | |
283 | for (i = 0; i < 64; i++) { | |
284 | if (!(sset_mask & (1ULL << i))) | |
285 | continue; | |
286 | ||
287 | rc = ops->get_sset_count(dev, i); | |
288 | if (rc >= 0) { | |
289 | info.sset_mask |= (1ULL << i); | |
290 | info_buf[idx++] = rc; | |
291 | } | |
292 | } | |
293 | ||
294 | ret = -EFAULT; | |
295 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
296 | goto out; | |
297 | ||
298 | useraddr += offsetof(struct ethtool_sset_info, data); | |
299 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
300 | goto out; | |
301 | ||
302 | ret = 0; | |
303 | ||
304 | out: | |
305 | kfree(info_buf); | |
306 | return ret; | |
307 | } | |
308 | ||
309 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, | |
310 | u32 cmd, void __user *useraddr) | |
311 | { | |
312 | struct ethtool_rxnfc info; | |
313 | size_t info_size = sizeof(info); | |
314 | ||
315 | if (!dev->ethtool_ops->set_rxnfc) | |
316 | return -EOPNOTSUPP; | |
317 | ||
318 | /* struct ethtool_rxnfc was originally defined for | |
319 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
320 | * members. User-space might still be using that | |
321 | * definition. */ | |
322 | if (cmd == ETHTOOL_SRXFH) | |
323 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
324 | sizeof(info.data)); | |
325 | ||
326 | if (copy_from_user(&info, useraddr, info_size)) | |
327 | return -EFAULT; | |
328 | ||
329 | return dev->ethtool_ops->set_rxnfc(dev, &info); | |
330 | } | |
331 | ||
332 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, | |
333 | u32 cmd, void __user *useraddr) | |
334 | { | |
335 | struct ethtool_rxnfc info; | |
336 | size_t info_size = sizeof(info); | |
337 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
338 | int ret; | |
339 | void *rule_buf = NULL; | |
340 | ||
341 | if (!ops->get_rxnfc) | |
342 | return -EOPNOTSUPP; | |
343 | ||
344 | /* struct ethtool_rxnfc was originally defined for | |
345 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
346 | * members. User-space might still be using that | |
347 | * definition. */ | |
348 | if (cmd == ETHTOOL_GRXFH) | |
349 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
350 | sizeof(info.data)); | |
351 | ||
352 | if (copy_from_user(&info, useraddr, info_size)) | |
353 | return -EFAULT; | |
354 | ||
355 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { | |
356 | if (info.rule_cnt > 0) { | |
357 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) | |
358 | rule_buf = kmalloc(info.rule_cnt * sizeof(u32), | |
359 | GFP_USER); | |
360 | if (!rule_buf) | |
361 | return -ENOMEM; | |
362 | } | |
363 | } | |
364 | ||
365 | ret = ops->get_rxnfc(dev, &info, rule_buf); | |
366 | if (ret < 0) | |
367 | goto err_out; | |
368 | ||
369 | ret = -EFAULT; | |
370 | if (copy_to_user(useraddr, &info, info_size)) | |
371 | goto err_out; | |
372 | ||
373 | if (rule_buf) { | |
374 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
375 | if (copy_to_user(useraddr, rule_buf, | |
376 | info.rule_cnt * sizeof(u32))) | |
377 | goto err_out; | |
378 | } | |
379 | ret = 0; | |
380 | ||
381 | err_out: | |
382 | kfree(rule_buf); | |
383 | ||
384 | return ret; | |
385 | } | |
386 | ||
387 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, | |
388 | void __user *useraddr) | |
389 | { | |
390 | struct ethtool_rxfh_indir *indir; | |
391 | u32 table_size; | |
392 | size_t full_size; | |
393 | int ret; | |
394 | ||
395 | if (!dev->ethtool_ops->get_rxfh_indir) | |
396 | return -EOPNOTSUPP; | |
397 | ||
398 | if (copy_from_user(&table_size, | |
399 | useraddr + offsetof(struct ethtool_rxfh_indir, size), | |
400 | sizeof(table_size))) | |
401 | return -EFAULT; | |
402 | ||
403 | if (table_size > | |
404 | (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) | |
405 | return -ENOMEM; | |
406 | full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; | |
407 | indir = kmalloc(full_size, GFP_USER); | |
408 | if (!indir) | |
409 | return -ENOMEM; | |
410 | ||
411 | indir->cmd = ETHTOOL_GRXFHINDIR; | |
412 | indir->size = table_size; | |
413 | ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); | |
414 | if (ret) | |
415 | goto out; | |
416 | ||
417 | if (copy_to_user(useraddr, indir, full_size)) | |
418 | ret = -EFAULT; | |
419 | ||
420 | out: | |
421 | kfree(indir); | |
422 | return ret; | |
423 | } | |
424 | ||
425 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
426 | void __user *useraddr) | |
427 | { | |
428 | struct ethtool_rxfh_indir *indir; | |
429 | u32 table_size; | |
430 | size_t full_size; | |
431 | int ret; | |
432 | ||
433 | if (!dev->ethtool_ops->set_rxfh_indir) | |
434 | return -EOPNOTSUPP; | |
435 | ||
436 | if (copy_from_user(&table_size, | |
437 | useraddr + offsetof(struct ethtool_rxfh_indir, size), | |
438 | sizeof(table_size))) | |
439 | return -EFAULT; | |
440 | ||
441 | if (table_size > | |
442 | (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) | |
443 | return -ENOMEM; | |
444 | full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; | |
445 | indir = kmalloc(full_size, GFP_USER); | |
446 | if (!indir) | |
447 | return -ENOMEM; | |
448 | ||
449 | if (copy_from_user(indir, useraddr, full_size)) { | |
450 | ret = -EFAULT; | |
451 | goto out; | |
452 | } | |
453 | ||
454 | ret = dev->ethtool_ops->set_rxfh_indir(dev, indir); | |
455 | ||
456 | out: | |
457 | kfree(indir); | |
458 | return ret; | |
459 | } | |
460 | ||
461 | static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list, | |
462 | struct ethtool_rx_ntuple_flow_spec *spec, | |
463 | struct ethtool_rx_ntuple_flow_spec_container *fsc) | |
464 | { | |
465 | ||
466 | /* don't add filters forever */ | |
467 | if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) { | |
468 | /* free the container */ | |
469 | kfree(fsc); | |
470 | return; | |
471 | } | |
472 | ||
473 | /* Copy the whole filter over */ | |
474 | fsc->fs.flow_type = spec->flow_type; | |
475 | memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u)); | |
476 | memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u)); | |
477 | ||
478 | fsc->fs.vlan_tag = spec->vlan_tag; | |
479 | fsc->fs.vlan_tag_mask = spec->vlan_tag_mask; | |
480 | fsc->fs.data = spec->data; | |
481 | fsc->fs.data_mask = spec->data_mask; | |
482 | fsc->fs.action = spec->action; | |
483 | ||
484 | /* add to the list */ | |
485 | list_add_tail_rcu(&fsc->list, &list->list); | |
486 | list->count++; | |
487 | } | |
488 | ||
489 | /* | |
490 | * ethtool does not (or did not) set masks for flow parameters that are | |
491 | * not specified, so if both value and mask are 0 then this must be | |
492 | * treated as equivalent to a mask with all bits set. Implement that | |
493 | * here rather than in drivers. | |
494 | */ | |
495 | static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs) | |
496 | { | |
497 | struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec; | |
498 | struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec; | |
499 | ||
500 | if (fs->flow_type != TCP_V4_FLOW && | |
501 | fs->flow_type != UDP_V4_FLOW && | |
502 | fs->flow_type != SCTP_V4_FLOW) | |
503 | return; | |
504 | ||
505 | if (!(entry->ip4src | mask->ip4src)) | |
506 | mask->ip4src = htonl(0xffffffff); | |
507 | if (!(entry->ip4dst | mask->ip4dst)) | |
508 | mask->ip4dst = htonl(0xffffffff); | |
509 | if (!(entry->psrc | mask->psrc)) | |
510 | mask->psrc = htons(0xffff); | |
511 | if (!(entry->pdst | mask->pdst)) | |
512 | mask->pdst = htons(0xffff); | |
513 | if (!(entry->tos | mask->tos)) | |
514 | mask->tos = 0xff; | |
515 | if (!(fs->vlan_tag | fs->vlan_tag_mask)) | |
516 | fs->vlan_tag_mask = 0xffff; | |
517 | if (!(fs->data | fs->data_mask)) | |
518 | fs->data_mask = 0xffffffffffffffffULL; | |
519 | } | |
520 | ||
521 | static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, | |
522 | void __user *useraddr) | |
523 | { | |
524 | struct ethtool_rx_ntuple cmd; | |
525 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
526 | struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL; | |
527 | int ret; | |
528 | ||
529 | if (!(dev->features & NETIF_F_NTUPLE)) | |
530 | return -EINVAL; | |
531 | ||
532 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
533 | return -EFAULT; | |
534 | ||
535 | rx_ntuple_fix_masks(&cmd.fs); | |
536 | ||
537 | /* | |
538 | * Cache filter in dev struct for GET operation only if | |
539 | * the underlying driver doesn't have its own GET operation, and | |
540 | * only if the filter was added successfully. First make sure we | |
541 | * can allocate the filter, then continue if successful. | |
542 | */ | |
543 | if (!ops->get_rx_ntuple) { | |
544 | fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC); | |
545 | if (!fsc) | |
546 | return -ENOMEM; | |
547 | } | |
548 | ||
549 | ret = ops->set_rx_ntuple(dev, &cmd); | |
550 | if (ret) { | |
551 | kfree(fsc); | |
552 | return ret; | |
553 | } | |
554 | ||
555 | if (!ops->get_rx_ntuple) | |
556 | __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc); | |
557 | ||
558 | return ret; | |
559 | } | |
560 | ||
561 | static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr) | |
562 | { | |
563 | struct ethtool_gstrings gstrings; | |
564 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
565 | struct ethtool_rx_ntuple_flow_spec_container *fsc; | |
566 | u8 *data; | |
567 | char *p; | |
568 | int ret, i, num_strings = 0; | |
569 | ||
570 | if (!ops->get_sset_count) | |
571 | return -EOPNOTSUPP; | |
572 | ||
573 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) | |
574 | return -EFAULT; | |
575 | ||
576 | ret = ops->get_sset_count(dev, gstrings.string_set); | |
577 | if (ret < 0) | |
578 | return ret; | |
579 | ||
580 | gstrings.len = ret; | |
581 | ||
582 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
583 | if (!data) | |
584 | return -ENOMEM; | |
585 | ||
586 | if (ops->get_rx_ntuple) { | |
587 | /* driver-specific filter grab */ | |
588 | ret = ops->get_rx_ntuple(dev, gstrings.string_set, data); | |
589 | goto copy; | |
590 | } | |
591 | ||
592 | /* default ethtool filter grab */ | |
593 | i = 0; | |
594 | p = (char *)data; | |
595 | list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) { | |
596 | sprintf(p, "Filter %d:\n", i); | |
597 | p += ETH_GSTRING_LEN; | |
598 | num_strings++; | |
599 | ||
600 | switch (fsc->fs.flow_type) { | |
601 | case TCP_V4_FLOW: | |
602 | sprintf(p, "\tFlow Type: TCP\n"); | |
603 | p += ETH_GSTRING_LEN; | |
604 | num_strings++; | |
605 | break; | |
606 | case UDP_V4_FLOW: | |
607 | sprintf(p, "\tFlow Type: UDP\n"); | |
608 | p += ETH_GSTRING_LEN; | |
609 | num_strings++; | |
610 | break; | |
611 | case SCTP_V4_FLOW: | |
612 | sprintf(p, "\tFlow Type: SCTP\n"); | |
613 | p += ETH_GSTRING_LEN; | |
614 | num_strings++; | |
615 | break; | |
616 | case AH_ESP_V4_FLOW: | |
617 | sprintf(p, "\tFlow Type: AH ESP\n"); | |
618 | p += ETH_GSTRING_LEN; | |
619 | num_strings++; | |
620 | break; | |
621 | case ESP_V4_FLOW: | |
622 | sprintf(p, "\tFlow Type: ESP\n"); | |
623 | p += ETH_GSTRING_LEN; | |
624 | num_strings++; | |
625 | break; | |
626 | case IP_USER_FLOW: | |
627 | sprintf(p, "\tFlow Type: Raw IP\n"); | |
628 | p += ETH_GSTRING_LEN; | |
629 | num_strings++; | |
630 | break; | |
631 | case IPV4_FLOW: | |
632 | sprintf(p, "\tFlow Type: IPv4\n"); | |
633 | p += ETH_GSTRING_LEN; | |
634 | num_strings++; | |
635 | break; | |
636 | default: | |
637 | sprintf(p, "\tFlow Type: Unknown\n"); | |
638 | p += ETH_GSTRING_LEN; | |
639 | num_strings++; | |
640 | goto unknown_filter; | |
641 | } | |
642 | ||
643 | /* now the rest of the filters */ | |
644 | switch (fsc->fs.flow_type) { | |
645 | case TCP_V4_FLOW: | |
646 | case UDP_V4_FLOW: | |
647 | case SCTP_V4_FLOW: | |
648 | sprintf(p, "\tSrc IP addr: 0x%x\n", | |
649 | fsc->fs.h_u.tcp_ip4_spec.ip4src); | |
650 | p += ETH_GSTRING_LEN; | |
651 | num_strings++; | |
652 | sprintf(p, "\tSrc IP mask: 0x%x\n", | |
653 | fsc->fs.m_u.tcp_ip4_spec.ip4src); | |
654 | p += ETH_GSTRING_LEN; | |
655 | num_strings++; | |
656 | sprintf(p, "\tDest IP addr: 0x%x\n", | |
657 | fsc->fs.h_u.tcp_ip4_spec.ip4dst); | |
658 | p += ETH_GSTRING_LEN; | |
659 | num_strings++; | |
660 | sprintf(p, "\tDest IP mask: 0x%x\n", | |
661 | fsc->fs.m_u.tcp_ip4_spec.ip4dst); | |
662 | p += ETH_GSTRING_LEN; | |
663 | num_strings++; | |
664 | sprintf(p, "\tSrc Port: %d, mask: 0x%x\n", | |
665 | fsc->fs.h_u.tcp_ip4_spec.psrc, | |
666 | fsc->fs.m_u.tcp_ip4_spec.psrc); | |
667 | p += ETH_GSTRING_LEN; | |
668 | num_strings++; | |
669 | sprintf(p, "\tDest Port: %d, mask: 0x%x\n", | |
670 | fsc->fs.h_u.tcp_ip4_spec.pdst, | |
671 | fsc->fs.m_u.tcp_ip4_spec.pdst); | |
672 | p += ETH_GSTRING_LEN; | |
673 | num_strings++; | |
674 | sprintf(p, "\tTOS: %d, mask: 0x%x\n", | |
675 | fsc->fs.h_u.tcp_ip4_spec.tos, | |
676 | fsc->fs.m_u.tcp_ip4_spec.tos); | |
677 | p += ETH_GSTRING_LEN; | |
678 | num_strings++; | |
679 | break; | |
680 | case AH_ESP_V4_FLOW: | |
681 | case ESP_V4_FLOW: | |
682 | sprintf(p, "\tSrc IP addr: 0x%x\n", | |
683 | fsc->fs.h_u.ah_ip4_spec.ip4src); | |
684 | p += ETH_GSTRING_LEN; | |
685 | num_strings++; | |
686 | sprintf(p, "\tSrc IP mask: 0x%x\n", | |
687 | fsc->fs.m_u.ah_ip4_spec.ip4src); | |
688 | p += ETH_GSTRING_LEN; | |
689 | num_strings++; | |
690 | sprintf(p, "\tDest IP addr: 0x%x\n", | |
691 | fsc->fs.h_u.ah_ip4_spec.ip4dst); | |
692 | p += ETH_GSTRING_LEN; | |
693 | num_strings++; | |
694 | sprintf(p, "\tDest IP mask: 0x%x\n", | |
695 | fsc->fs.m_u.ah_ip4_spec.ip4dst); | |
696 | p += ETH_GSTRING_LEN; | |
697 | num_strings++; | |
698 | sprintf(p, "\tSPI: %d, mask: 0x%x\n", | |
699 | fsc->fs.h_u.ah_ip4_spec.spi, | |
700 | fsc->fs.m_u.ah_ip4_spec.spi); | |
701 | p += ETH_GSTRING_LEN; | |
702 | num_strings++; | |
703 | sprintf(p, "\tTOS: %d, mask: 0x%x\n", | |
704 | fsc->fs.h_u.ah_ip4_spec.tos, | |
705 | fsc->fs.m_u.ah_ip4_spec.tos); | |
706 | p += ETH_GSTRING_LEN; | |
707 | num_strings++; | |
708 | break; | |
709 | case IP_USER_FLOW: | |
710 | sprintf(p, "\tSrc IP addr: 0x%x\n", | |
711 | fsc->fs.h_u.usr_ip4_spec.ip4src); | |
712 | p += ETH_GSTRING_LEN; | |
713 | num_strings++; | |
714 | sprintf(p, "\tSrc IP mask: 0x%x\n", | |
715 | fsc->fs.m_u.usr_ip4_spec.ip4src); | |
716 | p += ETH_GSTRING_LEN; | |
717 | num_strings++; | |
718 | sprintf(p, "\tDest IP addr: 0x%x\n", | |
719 | fsc->fs.h_u.usr_ip4_spec.ip4dst); | |
720 | p += ETH_GSTRING_LEN; | |
721 | num_strings++; | |
722 | sprintf(p, "\tDest IP mask: 0x%x\n", | |
723 | fsc->fs.m_u.usr_ip4_spec.ip4dst); | |
724 | p += ETH_GSTRING_LEN; | |
725 | num_strings++; | |
726 | break; | |
727 | case IPV4_FLOW: | |
728 | sprintf(p, "\tSrc IP addr: 0x%x\n", | |
729 | fsc->fs.h_u.usr_ip4_spec.ip4src); | |
730 | p += ETH_GSTRING_LEN; | |
731 | num_strings++; | |
732 | sprintf(p, "\tSrc IP mask: 0x%x\n", | |
733 | fsc->fs.m_u.usr_ip4_spec.ip4src); | |
734 | p += ETH_GSTRING_LEN; | |
735 | num_strings++; | |
736 | sprintf(p, "\tDest IP addr: 0x%x\n", | |
737 | fsc->fs.h_u.usr_ip4_spec.ip4dst); | |
738 | p += ETH_GSTRING_LEN; | |
739 | num_strings++; | |
740 | sprintf(p, "\tDest IP mask: 0x%x\n", | |
741 | fsc->fs.m_u.usr_ip4_spec.ip4dst); | |
742 | p += ETH_GSTRING_LEN; | |
743 | num_strings++; | |
744 | sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n", | |
745 | fsc->fs.h_u.usr_ip4_spec.l4_4_bytes, | |
746 | fsc->fs.m_u.usr_ip4_spec.l4_4_bytes); | |
747 | p += ETH_GSTRING_LEN; | |
748 | num_strings++; | |
749 | sprintf(p, "\tTOS: %d, mask: 0x%x\n", | |
750 | fsc->fs.h_u.usr_ip4_spec.tos, | |
751 | fsc->fs.m_u.usr_ip4_spec.tos); | |
752 | p += ETH_GSTRING_LEN; | |
753 | num_strings++; | |
754 | sprintf(p, "\tIP Version: %d, mask: 0x%x\n", | |
755 | fsc->fs.h_u.usr_ip4_spec.ip_ver, | |
756 | fsc->fs.m_u.usr_ip4_spec.ip_ver); | |
757 | p += ETH_GSTRING_LEN; | |
758 | num_strings++; | |
759 | sprintf(p, "\tProtocol: %d, mask: 0x%x\n", | |
760 | fsc->fs.h_u.usr_ip4_spec.proto, | |
761 | fsc->fs.m_u.usr_ip4_spec.proto); | |
762 | p += ETH_GSTRING_LEN; | |
763 | num_strings++; | |
764 | break; | |
765 | } | |
766 | sprintf(p, "\tVLAN: %d, mask: 0x%x\n", | |
767 | fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask); | |
768 | p += ETH_GSTRING_LEN; | |
769 | num_strings++; | |
770 | sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data); | |
771 | p += ETH_GSTRING_LEN; | |
772 | num_strings++; | |
773 | sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask); | |
774 | p += ETH_GSTRING_LEN; | |
775 | num_strings++; | |
776 | if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) | |
777 | sprintf(p, "\tAction: Drop\n"); | |
778 | else | |
779 | sprintf(p, "\tAction: Direct to queue %d\n", | |
780 | fsc->fs.action); | |
781 | p += ETH_GSTRING_LEN; | |
782 | num_strings++; | |
783 | unknown_filter: | |
784 | i++; | |
785 | } | |
786 | copy: | |
787 | /* indicate to userspace how many strings we actually have */ | |
788 | gstrings.len = num_strings; | |
789 | ret = -EFAULT; | |
790 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
791 | goto out; | |
792 | useraddr += sizeof(gstrings); | |
793 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
794 | goto out; | |
795 | ret = 0; | |
796 | ||
797 | out: | |
798 | kfree(data); | |
799 | return ret; | |
800 | } | |
801 | ||
802 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) | |
803 | { | |
804 | struct ethtool_regs regs; | |
805 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
806 | void *regbuf; | |
807 | int reglen, ret; | |
808 | ||
809 | if (!ops->get_regs || !ops->get_regs_len) | |
810 | return -EOPNOTSUPP; | |
811 | ||
812 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
813 | return -EFAULT; | |
814 | ||
815 | reglen = ops->get_regs_len(dev); | |
816 | if (regs.len > reglen) | |
817 | regs.len = reglen; | |
818 | ||
819 | regbuf = vmalloc(reglen); | |
820 | if (!regbuf) | |
821 | return -ENOMEM; | |
822 | ||
823 | ops->get_regs(dev, ®s, regbuf); | |
824 | ||
825 | ret = -EFAULT; | |
826 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
827 | goto out; | |
828 | useraddr += offsetof(struct ethtool_regs, data); | |
829 | if (copy_to_user(useraddr, regbuf, regs.len)) | |
830 | goto out; | |
831 | ret = 0; | |
832 | ||
833 | out: | |
834 | vfree(regbuf); | |
835 | return ret; | |
836 | } | |
837 | ||
838 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) | |
839 | { | |
840 | struct ethtool_value reset; | |
841 | int ret; | |
842 | ||
843 | if (!dev->ethtool_ops->reset) | |
844 | return -EOPNOTSUPP; | |
845 | ||
846 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
847 | return -EFAULT; | |
848 | ||
849 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
850 | if (ret) | |
851 | return ret; | |
852 | ||
853 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
854 | return -EFAULT; | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) | |
859 | { | |
860 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; | |
861 | ||
862 | if (!dev->ethtool_ops->get_wol) | |
863 | return -EOPNOTSUPP; | |
864 | ||
865 | dev->ethtool_ops->get_wol(dev, &wol); | |
866 | ||
867 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
868 | return -EFAULT; | |
869 | return 0; | |
870 | } | |
871 | ||
872 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
873 | { | |
874 | struct ethtool_wolinfo wol; | |
875 | ||
876 | if (!dev->ethtool_ops->set_wol) | |
877 | return -EOPNOTSUPP; | |
878 | ||
879 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
880 | return -EFAULT; | |
881 | ||
882 | return dev->ethtool_ops->set_wol(dev, &wol); | |
883 | } | |
884 | ||
885 | static int ethtool_nway_reset(struct net_device *dev) | |
886 | { | |
887 | if (!dev->ethtool_ops->nway_reset) | |
888 | return -EOPNOTSUPP; | |
889 | ||
890 | return dev->ethtool_ops->nway_reset(dev); | |
891 | } | |
892 | ||
893 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) | |
894 | { | |
895 | struct ethtool_eeprom eeprom; | |
896 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
897 | void __user *userbuf = useraddr + sizeof(eeprom); | |
898 | u32 bytes_remaining; | |
899 | u8 *data; | |
900 | int ret = 0; | |
901 | ||
902 | if (!ops->get_eeprom || !ops->get_eeprom_len) | |
903 | return -EOPNOTSUPP; | |
904 | ||
905 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
906 | return -EFAULT; | |
907 | ||
908 | /* Check for wrap and zero */ | |
909 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
910 | return -EINVAL; | |
911 | ||
912 | /* Check for exceeding total eeprom len */ | |
913 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
914 | return -EINVAL; | |
915 | ||
916 | data = kmalloc(PAGE_SIZE, GFP_USER); | |
917 | if (!data) | |
918 | return -ENOMEM; | |
919 | ||
920 | bytes_remaining = eeprom.len; | |
921 | while (bytes_remaining > 0) { | |
922 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
923 | ||
924 | ret = ops->get_eeprom(dev, &eeprom, data); | |
925 | if (ret) | |
926 | break; | |
927 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
928 | ret = -EFAULT; | |
929 | break; | |
930 | } | |
931 | userbuf += eeprom.len; | |
932 | eeprom.offset += eeprom.len; | |
933 | bytes_remaining -= eeprom.len; | |
934 | } | |
935 | ||
936 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); | |
937 | eeprom.offset -= eeprom.len; | |
938 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
939 | ret = -EFAULT; | |
940 | ||
941 | kfree(data); | |
942 | return ret; | |
943 | } | |
944 | ||
945 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) | |
946 | { | |
947 | struct ethtool_eeprom eeprom; | |
948 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
949 | void __user *userbuf = useraddr + sizeof(eeprom); | |
950 | u32 bytes_remaining; | |
951 | u8 *data; | |
952 | int ret = 0; | |
953 | ||
954 | if (!ops->set_eeprom || !ops->get_eeprom_len) | |
955 | return -EOPNOTSUPP; | |
956 | ||
957 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
958 | return -EFAULT; | |
959 | ||
960 | /* Check for wrap and zero */ | |
961 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
962 | return -EINVAL; | |
963 | ||
964 | /* Check for exceeding total eeprom len */ | |
965 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
966 | return -EINVAL; | |
967 | ||
968 | data = kmalloc(PAGE_SIZE, GFP_USER); | |
969 | if (!data) | |
970 | return -ENOMEM; | |
971 | ||
972 | bytes_remaining = eeprom.len; | |
973 | while (bytes_remaining > 0) { | |
974 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
975 | ||
976 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
977 | ret = -EFAULT; | |
978 | break; | |
979 | } | |
980 | ret = ops->set_eeprom(dev, &eeprom, data); | |
981 | if (ret) | |
982 | break; | |
983 | userbuf += eeprom.len; | |
984 | eeprom.offset += eeprom.len; | |
985 | bytes_remaining -= eeprom.len; | |
986 | } | |
987 | ||
988 | kfree(data); | |
989 | return ret; | |
990 | } | |
991 | ||
992 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, | |
993 | void __user *useraddr) | |
994 | { | |
995 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; | |
996 | ||
997 | if (!dev->ethtool_ops->get_coalesce) | |
998 | return -EOPNOTSUPP; | |
999 | ||
1000 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
1001 | ||
1002 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
1003 | return -EFAULT; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, | |
1008 | void __user *useraddr) | |
1009 | { | |
1010 | struct ethtool_coalesce coalesce; | |
1011 | ||
1012 | if (!dev->ethtool_ops->set_coalesce) | |
1013 | return -EOPNOTSUPP; | |
1014 | ||
1015 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
1016 | return -EFAULT; | |
1017 | ||
1018 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
1019 | } | |
1020 | ||
1021 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
1022 | { | |
1023 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; | |
1024 | ||
1025 | if (!dev->ethtool_ops->get_ringparam) | |
1026 | return -EOPNOTSUPP; | |
1027 | ||
1028 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
1029 | ||
1030 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
1031 | return -EFAULT; | |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
1036 | { | |
1037 | struct ethtool_ringparam ringparam; | |
1038 | ||
1039 | if (!dev->ethtool_ops->set_ringparam) | |
1040 | return -EOPNOTSUPP; | |
1041 | ||
1042 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
1043 | return -EFAULT; | |
1044 | ||
1045 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
1046 | } | |
1047 | ||
1048 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) | |
1049 | { | |
1050 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
1051 | ||
1052 | if (!dev->ethtool_ops->get_pauseparam) | |
1053 | return -EOPNOTSUPP; | |
1054 | ||
1055 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
1056 | ||
1057 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
1058 | return -EFAULT; | |
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
1063 | { | |
1064 | struct ethtool_pauseparam pauseparam; | |
1065 | ||
1066 | if (!dev->ethtool_ops->set_pauseparam) | |
1067 | return -EOPNOTSUPP; | |
1068 | ||
1069 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
1070 | return -EFAULT; | |
1071 | ||
1072 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
1073 | } | |
1074 | ||
1075 | static int __ethtool_set_sg(struct net_device *dev, u32 data) | |
1076 | { | |
1077 | int err; | |
1078 | ||
1079 | if (!data && dev->ethtool_ops->set_tso) { | |
1080 | err = dev->ethtool_ops->set_tso(dev, 0); | |
1081 | if (err) | |
1082 | return err; | |
1083 | } | |
1084 | ||
1085 | if (!data && dev->ethtool_ops->set_ufo) { | |
1086 | err = dev->ethtool_ops->set_ufo(dev, 0); | |
1087 | if (err) | |
1088 | return err; | |
1089 | } | |
1090 | return dev->ethtool_ops->set_sg(dev, data); | |
1091 | } | |
1092 | ||
1093 | static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr) | |
1094 | { | |
1095 | struct ethtool_value edata; | |
1096 | int err; | |
1097 | ||
1098 | if (!dev->ethtool_ops->set_tx_csum) | |
1099 | return -EOPNOTSUPP; | |
1100 | ||
1101 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1102 | return -EFAULT; | |
1103 | ||
1104 | if (!edata.data && dev->ethtool_ops->set_sg) { | |
1105 | err = __ethtool_set_sg(dev, 0); | |
1106 | if (err) | |
1107 | return err; | |
1108 | } | |
1109 | ||
1110 | return dev->ethtool_ops->set_tx_csum(dev, edata.data); | |
1111 | } | |
1112 | EXPORT_SYMBOL(ethtool_op_set_tx_csum); | |
1113 | ||
1114 | static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr) | |
1115 | { | |
1116 | struct ethtool_value edata; | |
1117 | ||
1118 | if (!dev->ethtool_ops->set_rx_csum) | |
1119 | return -EOPNOTSUPP; | |
1120 | ||
1121 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1122 | return -EFAULT; | |
1123 | ||
1124 | if (!edata.data && dev->ethtool_ops->set_sg) | |
1125 | dev->features &= ~NETIF_F_GRO; | |
1126 | ||
1127 | return dev->ethtool_ops->set_rx_csum(dev, edata.data); | |
1128 | } | |
1129 | ||
1130 | static int ethtool_set_sg(struct net_device *dev, char __user *useraddr) | |
1131 | { | |
1132 | struct ethtool_value edata; | |
1133 | ||
1134 | if (!dev->ethtool_ops->set_sg) | |
1135 | return -EOPNOTSUPP; | |
1136 | ||
1137 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1138 | return -EFAULT; | |
1139 | ||
1140 | if (edata.data && | |
1141 | !(dev->features & NETIF_F_ALL_CSUM)) | |
1142 | return -EINVAL; | |
1143 | ||
1144 | return __ethtool_set_sg(dev, edata.data); | |
1145 | } | |
1146 | ||
1147 | static int ethtool_set_tso(struct net_device *dev, char __user *useraddr) | |
1148 | { | |
1149 | struct ethtool_value edata; | |
1150 | ||
1151 | if (!dev->ethtool_ops->set_tso) | |
1152 | return -EOPNOTSUPP; | |
1153 | ||
1154 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1155 | return -EFAULT; | |
1156 | ||
1157 | if (edata.data && !(dev->features & NETIF_F_SG)) | |
1158 | return -EINVAL; | |
1159 | ||
1160 | return dev->ethtool_ops->set_tso(dev, edata.data); | |
1161 | } | |
1162 | ||
1163 | static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr) | |
1164 | { | |
1165 | struct ethtool_value edata; | |
1166 | ||
1167 | if (!dev->ethtool_ops->set_ufo) | |
1168 | return -EOPNOTSUPP; | |
1169 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1170 | return -EFAULT; | |
1171 | if (edata.data && !(dev->features & NETIF_F_SG)) | |
1172 | return -EINVAL; | |
1173 | if (edata.data && !(dev->features & NETIF_F_HW_CSUM)) | |
1174 | return -EINVAL; | |
1175 | return dev->ethtool_ops->set_ufo(dev, edata.data); | |
1176 | } | |
1177 | ||
1178 | static int ethtool_get_gso(struct net_device *dev, char __user *useraddr) | |
1179 | { | |
1180 | struct ethtool_value edata = { ETHTOOL_GGSO }; | |
1181 | ||
1182 | edata.data = dev->features & NETIF_F_GSO; | |
1183 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1184 | return -EFAULT; | |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | static int ethtool_set_gso(struct net_device *dev, char __user *useraddr) | |
1189 | { | |
1190 | struct ethtool_value edata; | |
1191 | ||
1192 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1193 | return -EFAULT; | |
1194 | if (edata.data) | |
1195 | dev->features |= NETIF_F_GSO; | |
1196 | else | |
1197 | dev->features &= ~NETIF_F_GSO; | |
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | static int ethtool_get_gro(struct net_device *dev, char __user *useraddr) | |
1202 | { | |
1203 | struct ethtool_value edata = { ETHTOOL_GGRO }; | |
1204 | ||
1205 | edata.data = dev->features & NETIF_F_GRO; | |
1206 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1207 | return -EFAULT; | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int ethtool_set_gro(struct net_device *dev, char __user *useraddr) | |
1212 | { | |
1213 | struct ethtool_value edata; | |
1214 | ||
1215 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1216 | return -EFAULT; | |
1217 | ||
1218 | if (edata.data) { | |
1219 | u32 rxcsum = dev->ethtool_ops->get_rx_csum ? | |
1220 | dev->ethtool_ops->get_rx_csum(dev) : | |
1221 | ethtool_op_get_rx_csum(dev); | |
1222 | ||
1223 | if (!rxcsum) | |
1224 | return -EINVAL; | |
1225 | dev->features |= NETIF_F_GRO; | |
1226 | } else | |
1227 | dev->features &= ~NETIF_F_GRO; | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) | |
1233 | { | |
1234 | struct ethtool_test test; | |
1235 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1236 | u64 *data; | |
1237 | int ret, test_len; | |
1238 | ||
1239 | if (!ops->self_test || !ops->get_sset_count) | |
1240 | return -EOPNOTSUPP; | |
1241 | ||
1242 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); | |
1243 | if (test_len < 0) | |
1244 | return test_len; | |
1245 | WARN_ON(test_len == 0); | |
1246 | ||
1247 | if (copy_from_user(&test, useraddr, sizeof(test))) | |
1248 | return -EFAULT; | |
1249 | ||
1250 | test.len = test_len; | |
1251 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1252 | if (!data) | |
1253 | return -ENOMEM; | |
1254 | ||
1255 | ops->self_test(dev, &test, data); | |
1256 | ||
1257 | ret = -EFAULT; | |
1258 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1259 | goto out; | |
1260 | useraddr += sizeof(test); | |
1261 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1262 | goto out; | |
1263 | ret = 0; | |
1264 | ||
1265 | out: | |
1266 | kfree(data); | |
1267 | return ret; | |
1268 | } | |
1269 | ||
1270 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1271 | { | |
1272 | struct ethtool_gstrings gstrings; | |
1273 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1274 | u8 *data; | |
1275 | int ret; | |
1276 | ||
1277 | if (!ops->get_strings || !ops->get_sset_count) | |
1278 | return -EOPNOTSUPP; | |
1279 | ||
1280 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) | |
1281 | return -EFAULT; | |
1282 | ||
1283 | ret = ops->get_sset_count(dev, gstrings.string_set); | |
1284 | if (ret < 0) | |
1285 | return ret; | |
1286 | ||
1287 | gstrings.len = ret; | |
1288 | ||
1289 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
1290 | if (!data) | |
1291 | return -ENOMEM; | |
1292 | ||
1293 | ops->get_strings(dev, gstrings.string_set, data); | |
1294 | ||
1295 | ret = -EFAULT; | |
1296 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1297 | goto out; | |
1298 | useraddr += sizeof(gstrings); | |
1299 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1300 | goto out; | |
1301 | ret = 0; | |
1302 | ||
1303 | out: | |
1304 | kfree(data); | |
1305 | return ret; | |
1306 | } | |
1307 | ||
1308 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1309 | { | |
1310 | struct ethtool_value id; | |
1311 | ||
1312 | if (!dev->ethtool_ops->phys_id) | |
1313 | return -EOPNOTSUPP; | |
1314 | ||
1315 | if (copy_from_user(&id, useraddr, sizeof(id))) | |
1316 | return -EFAULT; | |
1317 | ||
1318 | return dev->ethtool_ops->phys_id(dev, id.data); | |
1319 | } | |
1320 | ||
1321 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1322 | { | |
1323 | struct ethtool_stats stats; | |
1324 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1325 | u64 *data; | |
1326 | int ret, n_stats; | |
1327 | ||
1328 | if (!ops->get_ethtool_stats || !ops->get_sset_count) | |
1329 | return -EOPNOTSUPP; | |
1330 | ||
1331 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); | |
1332 | if (n_stats < 0) | |
1333 | return n_stats; | |
1334 | WARN_ON(n_stats == 0); | |
1335 | ||
1336 | if (copy_from_user(&stats, useraddr, sizeof(stats))) | |
1337 | return -EFAULT; | |
1338 | ||
1339 | stats.n_stats = n_stats; | |
1340 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1341 | if (!data) | |
1342 | return -ENOMEM; | |
1343 | ||
1344 | ops->get_ethtool_stats(dev, &stats, data); | |
1345 | ||
1346 | ret = -EFAULT; | |
1347 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1348 | goto out; | |
1349 | useraddr += sizeof(stats); | |
1350 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1351 | goto out; | |
1352 | ret = 0; | |
1353 | ||
1354 | out: | |
1355 | kfree(data); | |
1356 | return ret; | |
1357 | } | |
1358 | ||
1359 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) | |
1360 | { | |
1361 | struct ethtool_perm_addr epaddr; | |
1362 | ||
1363 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) | |
1364 | return -EFAULT; | |
1365 | ||
1366 | if (epaddr.size < dev->addr_len) | |
1367 | return -ETOOSMALL; | |
1368 | epaddr.size = dev->addr_len; | |
1369 | ||
1370 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) | |
1371 | return -EFAULT; | |
1372 | useraddr += sizeof(epaddr); | |
1373 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) | |
1374 | return -EFAULT; | |
1375 | return 0; | |
1376 | } | |
1377 | ||
1378 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, | |
1379 | u32 cmd, u32 (*actor)(struct net_device *)) | |
1380 | { | |
1381 | struct ethtool_value edata = { .cmd = cmd }; | |
1382 | ||
1383 | if (!actor) | |
1384 | return -EOPNOTSUPP; | |
1385 | ||
1386 | edata.data = actor(dev); | |
1387 | ||
1388 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1389 | return -EFAULT; | |
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, | |
1394 | void (*actor)(struct net_device *, u32)) | |
1395 | { | |
1396 | struct ethtool_value edata; | |
1397 | ||
1398 | if (!actor) | |
1399 | return -EOPNOTSUPP; | |
1400 | ||
1401 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1402 | return -EFAULT; | |
1403 | ||
1404 | actor(dev, edata.data); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, | |
1409 | int (*actor)(struct net_device *, u32)) | |
1410 | { | |
1411 | struct ethtool_value edata; | |
1412 | ||
1413 | if (!actor) | |
1414 | return -EOPNOTSUPP; | |
1415 | ||
1416 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1417 | return -EFAULT; | |
1418 | ||
1419 | return actor(dev, edata.data); | |
1420 | } | |
1421 | ||
1422 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, | |
1423 | char __user *useraddr) | |
1424 | { | |
1425 | struct ethtool_flash efl; | |
1426 | ||
1427 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1428 | return -EFAULT; | |
1429 | ||
1430 | if (!dev->ethtool_ops->flash_device) | |
1431 | return -EOPNOTSUPP; | |
1432 | ||
1433 | return dev->ethtool_ops->flash_device(dev, &efl); | |
1434 | } | |
1435 | ||
1436 | /* The main entry point in this file. Called from net/core/dev.c */ | |
1437 | ||
1438 | int dev_ethtool(struct net *net, struct ifreq *ifr) | |
1439 | { | |
1440 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); | |
1441 | void __user *useraddr = ifr->ifr_data; | |
1442 | u32 ethcmd; | |
1443 | int rc; | |
1444 | unsigned long old_features; | |
1445 | ||
1446 | if (!dev || !netif_device_present(dev)) | |
1447 | return -ENODEV; | |
1448 | ||
1449 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) | |
1450 | return -EFAULT; | |
1451 | ||
1452 | if (!dev->ethtool_ops) { | |
1453 | /* ETHTOOL_GDRVINFO does not require any driver support. | |
1454 | * It is also unprivileged and does not change anything, | |
1455 | * so we can take a shortcut to it. */ | |
1456 | if (ethcmd == ETHTOOL_GDRVINFO) | |
1457 | return ethtool_get_drvinfo(dev, useraddr); | |
1458 | else | |
1459 | return -EOPNOTSUPP; | |
1460 | } | |
1461 | ||
1462 | /* Allow some commands to be done by anyone */ | |
1463 | switch (ethcmd) { | |
1464 | case ETHTOOL_GSET: | |
1465 | case ETHTOOL_GDRVINFO: | |
1466 | case ETHTOOL_GMSGLVL: | |
1467 | case ETHTOOL_GCOALESCE: | |
1468 | case ETHTOOL_GRINGPARAM: | |
1469 | case ETHTOOL_GPAUSEPARAM: | |
1470 | case ETHTOOL_GRXCSUM: | |
1471 | case ETHTOOL_GTXCSUM: | |
1472 | case ETHTOOL_GSG: | |
1473 | case ETHTOOL_GSTRINGS: | |
1474 | case ETHTOOL_GTSO: | |
1475 | case ETHTOOL_GPERMADDR: | |
1476 | case ETHTOOL_GUFO: | |
1477 | case ETHTOOL_GGSO: | |
1478 | case ETHTOOL_GGRO: | |
1479 | case ETHTOOL_GFLAGS: | |
1480 | case ETHTOOL_GPFLAGS: | |
1481 | case ETHTOOL_GRXFH: | |
1482 | case ETHTOOL_GRXRINGS: | |
1483 | case ETHTOOL_GRXCLSRLCNT: | |
1484 | case ETHTOOL_GRXCLSRULE: | |
1485 | case ETHTOOL_GRXCLSRLALL: | |
1486 | break; | |
1487 | default: | |
1488 | if (!capable(CAP_NET_ADMIN)) | |
1489 | return -EPERM; | |
1490 | } | |
1491 | ||
1492 | if (dev->ethtool_ops->begin) { | |
1493 | rc = dev->ethtool_ops->begin(dev); | |
1494 | if (rc < 0) | |
1495 | return rc; | |
1496 | } | |
1497 | old_features = dev->features; | |
1498 | ||
1499 | switch (ethcmd) { | |
1500 | case ETHTOOL_GSET: | |
1501 | rc = ethtool_get_settings(dev, useraddr); | |
1502 | break; | |
1503 | case ETHTOOL_SSET: | |
1504 | rc = ethtool_set_settings(dev, useraddr); | |
1505 | break; | |
1506 | case ETHTOOL_GDRVINFO: | |
1507 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1508 | break; | |
1509 | case ETHTOOL_GREGS: | |
1510 | rc = ethtool_get_regs(dev, useraddr); | |
1511 | break; | |
1512 | case ETHTOOL_GWOL: | |
1513 | rc = ethtool_get_wol(dev, useraddr); | |
1514 | break; | |
1515 | case ETHTOOL_SWOL: | |
1516 | rc = ethtool_set_wol(dev, useraddr); | |
1517 | break; | |
1518 | case ETHTOOL_GMSGLVL: | |
1519 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1520 | dev->ethtool_ops->get_msglevel); | |
1521 | break; | |
1522 | case ETHTOOL_SMSGLVL: | |
1523 | rc = ethtool_set_value_void(dev, useraddr, | |
1524 | dev->ethtool_ops->set_msglevel); | |
1525 | break; | |
1526 | case ETHTOOL_NWAY_RST: | |
1527 | rc = ethtool_nway_reset(dev); | |
1528 | break; | |
1529 | case ETHTOOL_GLINK: | |
1530 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1531 | dev->ethtool_ops->get_link); | |
1532 | break; | |
1533 | case ETHTOOL_GEEPROM: | |
1534 | rc = ethtool_get_eeprom(dev, useraddr); | |
1535 | break; | |
1536 | case ETHTOOL_SEEPROM: | |
1537 | rc = ethtool_set_eeprom(dev, useraddr); | |
1538 | break; | |
1539 | case ETHTOOL_GCOALESCE: | |
1540 | rc = ethtool_get_coalesce(dev, useraddr); | |
1541 | break; | |
1542 | case ETHTOOL_SCOALESCE: | |
1543 | rc = ethtool_set_coalesce(dev, useraddr); | |
1544 | break; | |
1545 | case ETHTOOL_GRINGPARAM: | |
1546 | rc = ethtool_get_ringparam(dev, useraddr); | |
1547 | break; | |
1548 | case ETHTOOL_SRINGPARAM: | |
1549 | rc = ethtool_set_ringparam(dev, useraddr); | |
1550 | break; | |
1551 | case ETHTOOL_GPAUSEPARAM: | |
1552 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1553 | break; | |
1554 | case ETHTOOL_SPAUSEPARAM: | |
1555 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1556 | break; | |
1557 | case ETHTOOL_GRXCSUM: | |
1558 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1559 | (dev->ethtool_ops->get_rx_csum ? | |
1560 | dev->ethtool_ops->get_rx_csum : | |
1561 | ethtool_op_get_rx_csum)); | |
1562 | break; | |
1563 | case ETHTOOL_SRXCSUM: | |
1564 | rc = ethtool_set_rx_csum(dev, useraddr); | |
1565 | break; | |
1566 | case ETHTOOL_GTXCSUM: | |
1567 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1568 | (dev->ethtool_ops->get_tx_csum ? | |
1569 | dev->ethtool_ops->get_tx_csum : | |
1570 | ethtool_op_get_tx_csum)); | |
1571 | break; | |
1572 | case ETHTOOL_STXCSUM: | |
1573 | rc = ethtool_set_tx_csum(dev, useraddr); | |
1574 | break; | |
1575 | case ETHTOOL_GSG: | |
1576 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1577 | (dev->ethtool_ops->get_sg ? | |
1578 | dev->ethtool_ops->get_sg : | |
1579 | ethtool_op_get_sg)); | |
1580 | break; | |
1581 | case ETHTOOL_SSG: | |
1582 | rc = ethtool_set_sg(dev, useraddr); | |
1583 | break; | |
1584 | case ETHTOOL_GTSO: | |
1585 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1586 | (dev->ethtool_ops->get_tso ? | |
1587 | dev->ethtool_ops->get_tso : | |
1588 | ethtool_op_get_tso)); | |
1589 | break; | |
1590 | case ETHTOOL_STSO: | |
1591 | rc = ethtool_set_tso(dev, useraddr); | |
1592 | break; | |
1593 | case ETHTOOL_TEST: | |
1594 | rc = ethtool_self_test(dev, useraddr); | |
1595 | break; | |
1596 | case ETHTOOL_GSTRINGS: | |
1597 | rc = ethtool_get_strings(dev, useraddr); | |
1598 | break; | |
1599 | case ETHTOOL_PHYS_ID: | |
1600 | rc = ethtool_phys_id(dev, useraddr); | |
1601 | break; | |
1602 | case ETHTOOL_GSTATS: | |
1603 | rc = ethtool_get_stats(dev, useraddr); | |
1604 | break; | |
1605 | case ETHTOOL_GPERMADDR: | |
1606 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1607 | break; | |
1608 | case ETHTOOL_GUFO: | |
1609 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1610 | (dev->ethtool_ops->get_ufo ? | |
1611 | dev->ethtool_ops->get_ufo : | |
1612 | ethtool_op_get_ufo)); | |
1613 | break; | |
1614 | case ETHTOOL_SUFO: | |
1615 | rc = ethtool_set_ufo(dev, useraddr); | |
1616 | break; | |
1617 | case ETHTOOL_GGSO: | |
1618 | rc = ethtool_get_gso(dev, useraddr); | |
1619 | break; | |
1620 | case ETHTOOL_SGSO: | |
1621 | rc = ethtool_set_gso(dev, useraddr); | |
1622 | break; | |
1623 | case ETHTOOL_GFLAGS: | |
1624 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1625 | (dev->ethtool_ops->get_flags ? | |
1626 | dev->ethtool_ops->get_flags : | |
1627 | ethtool_op_get_flags)); | |
1628 | break; | |
1629 | case ETHTOOL_SFLAGS: | |
1630 | rc = ethtool_set_value(dev, useraddr, | |
1631 | dev->ethtool_ops->set_flags); | |
1632 | break; | |
1633 | case ETHTOOL_GPFLAGS: | |
1634 | rc = ethtool_get_value(dev, useraddr, ethcmd, | |
1635 | dev->ethtool_ops->get_priv_flags); | |
1636 | break; | |
1637 | case ETHTOOL_SPFLAGS: | |
1638 | rc = ethtool_set_value(dev, useraddr, | |
1639 | dev->ethtool_ops->set_priv_flags); | |
1640 | break; | |
1641 | case ETHTOOL_GRXFH: | |
1642 | case ETHTOOL_GRXRINGS: | |
1643 | case ETHTOOL_GRXCLSRLCNT: | |
1644 | case ETHTOOL_GRXCLSRULE: | |
1645 | case ETHTOOL_GRXCLSRLALL: | |
1646 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); | |
1647 | break; | |
1648 | case ETHTOOL_SRXFH: | |
1649 | case ETHTOOL_SRXCLSRLDEL: | |
1650 | case ETHTOOL_SRXCLSRLINS: | |
1651 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); | |
1652 | break; | |
1653 | case ETHTOOL_GGRO: | |
1654 | rc = ethtool_get_gro(dev, useraddr); | |
1655 | break; | |
1656 | case ETHTOOL_SGRO: | |
1657 | rc = ethtool_set_gro(dev, useraddr); | |
1658 | break; | |
1659 | case ETHTOOL_FLASHDEV: | |
1660 | rc = ethtool_flash_device(dev, useraddr); | |
1661 | break; | |
1662 | case ETHTOOL_RESET: | |
1663 | rc = ethtool_reset(dev, useraddr); | |
1664 | break; | |
1665 | case ETHTOOL_SRXNTUPLE: | |
1666 | rc = ethtool_set_rx_ntuple(dev, useraddr); | |
1667 | break; | |
1668 | case ETHTOOL_GRXNTUPLE: | |
1669 | rc = ethtool_get_rx_ntuple(dev, useraddr); | |
1670 | break; | |
1671 | case ETHTOOL_GSSET_INFO: | |
1672 | rc = ethtool_get_sset_info(dev, useraddr); | |
1673 | break; | |
1674 | case ETHTOOL_GRXFHINDIR: | |
1675 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1676 | break; | |
1677 | case ETHTOOL_SRXFHINDIR: | |
1678 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1679 | break; | |
1680 | default: | |
1681 | rc = -EOPNOTSUPP; | |
1682 | } | |
1683 | ||
1684 | if (dev->ethtool_ops->complete) | |
1685 | dev->ethtool_ops->complete(dev); | |
1686 | ||
1687 | if (old_features != dev->features) | |
1688 | netdev_features_change(dev); | |
1689 | ||
1690 | return rc; | |
1691 | } |