Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 <asm/uaccess.h>
21
22/*
23 * Some useful ethtool_ops methods that're device independent.
24 * If we find that all drivers want to do the same thing here,
25 * we can turn these into dev_() function calls.
26 */
27
28u32 ethtool_op_get_link(struct net_device *dev)
29{
30 return netif_carrier_ok(dev) ? 1 : 0;
31}
32
33u32 ethtool_op_get_rx_csum(struct net_device *dev)
34{
35 return (dev->features & NETIF_F_ALL_CSUM) != 0;
36}
37EXPORT_SYMBOL(ethtool_op_get_rx_csum);
38
39u32 ethtool_op_get_tx_csum(struct net_device *dev)
40{
41 return (dev->features & NETIF_F_ALL_CSUM) != 0;
42}
43EXPORT_SYMBOL(ethtool_op_get_tx_csum);
44
45int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
46{
47 if (data)
48 dev->features |= NETIF_F_IP_CSUM;
49 else
50 dev->features &= ~NETIF_F_IP_CSUM;
51
52 return 0;
53}
54
55int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
56{
57 if (data)
58 dev->features |= NETIF_F_HW_CSUM;
59 else
60 dev->features &= ~NETIF_F_HW_CSUM;
61
62 return 0;
63}
64
65int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data)
66{
67 if (data)
68 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
69 else
70 dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
71
72 return 0;
73}
74
75u32 ethtool_op_get_sg(struct net_device *dev)
76{
77 return (dev->features & NETIF_F_SG) != 0;
78}
79
80int ethtool_op_set_sg(struct net_device *dev, u32 data)
81{
82 if (data)
83 dev->features |= NETIF_F_SG;
84 else
85 dev->features &= ~NETIF_F_SG;
86
87 return 0;
88}
89
90u32 ethtool_op_get_tso(struct net_device *dev)
91{
92 return (dev->features & NETIF_F_TSO) != 0;
93}
94
95int ethtool_op_set_tso(struct net_device *dev, u32 data)
96{
97 if (data)
98 dev->features |= NETIF_F_TSO;
99 else
100 dev->features &= ~NETIF_F_TSO;
101
102 return 0;
103}
104
105u32 ethtool_op_get_ufo(struct net_device *dev)
106{
107 return (dev->features & NETIF_F_UFO) != 0;
108}
109
110int ethtool_op_set_ufo(struct net_device *dev, u32 data)
111{
112 if (data)
113 dev->features |= NETIF_F_UFO;
114 else
115 dev->features &= ~NETIF_F_UFO;
116 return 0;
117}
118
119/* the following list of flags are the same as their associated
120 * NETIF_F_xxx values in include/linux/netdevice.h
121 */
122static const u32 flags_dup_features =
123 (ETH_FLAG_LRO | ETH_FLAG_NTUPLE);
124
125u32 ethtool_op_get_flags(struct net_device *dev)
126{
127 /* in the future, this function will probably contain additional
128 * handling for flags which are not so easily handled
129 * by a simple masking operation
130 */
131
132 return dev->features & flags_dup_features;
133}
134
135int ethtool_op_set_flags(struct net_device *dev, u32 data)
136{
137 const struct ethtool_ops *ops = dev->ethtool_ops;
138 unsigned long features = dev->features;
139
140 if (data & ETH_FLAG_LRO)
141 features |= NETIF_F_LRO;
142 else
143 features &= ~NETIF_F_LRO;
144
145 if (data & ETH_FLAG_NTUPLE) {
146 if (!ops->set_rx_ntuple)
147 return -EOPNOTSUPP;
148 features |= NETIF_F_NTUPLE;
149 } else {
150 /* safe to clear regardless */
151 features &= ~NETIF_F_NTUPLE;
152 }
153
154 dev->features = features;
155 return 0;
156}
157
158void ethtool_ntuple_flush(struct net_device *dev)
159{
160 struct ethtool_rx_ntuple_flow_spec_container *fsc, *f;
161
162 list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) {
163 list_del(&fsc->list);
164 kfree(fsc);
165 }
166 dev->ethtool_ntuple_list.count = 0;
167}
168EXPORT_SYMBOL(ethtool_ntuple_flush);
169
170/* Handlers for each ethtool command */
171
172static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
173{
174 struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET };
175 int err;
176
177 if (!dev->ethtool_ops->get_settings)
178 return -EOPNOTSUPP;
179
180 err = dev->ethtool_ops->get_settings(dev, &cmd);
181 if (err < 0)
182 return err;
183
184 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
185 return -EFAULT;
186 return 0;
187}
188
189static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
190{
191 struct ethtool_cmd cmd;
192
193 if (!dev->ethtool_ops->set_settings)
194 return -EOPNOTSUPP;
195
196 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
197 return -EFAULT;
198
199 return dev->ethtool_ops->set_settings(dev, &cmd);
200}
201
202/*
203 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
204 */
205static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
206{
207 struct ethtool_drvinfo info;
208 const struct ethtool_ops *ops = dev->ethtool_ops;
209
210 if (!ops->get_drvinfo)
211 return -EOPNOTSUPP;
212
213 memset(&info, 0, sizeof(info));
214 info.cmd = ETHTOOL_GDRVINFO;
215 ops->get_drvinfo(dev, &info);
216
217 if (ops->get_sset_count) {
218 int rc;
219
220 rc = ops->get_sset_count(dev, ETH_SS_TEST);
221 if (rc >= 0)
222 info.testinfo_len = rc;
223 rc = ops->get_sset_count(dev, ETH_SS_STATS);
224 if (rc >= 0)
225 info.n_stats = rc;
226 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
227 if (rc >= 0)
228 info.n_priv_flags = rc;
229 }
230 if (ops->get_regs_len)
231 info.regdump_len = ops->get_regs_len(dev);
232 if (ops->get_eeprom_len)
233 info.eedump_len = ops->get_eeprom_len(dev);
234
235 if (copy_to_user(useraddr, &info, sizeof(info)))
236 return -EFAULT;
237 return 0;
238}
239
240/*
241 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
242 */
243static noinline int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
244{
245 struct ethtool_rxnfc cmd;
246
247 if (!dev->ethtool_ops->set_rxnfc)
248 return -EOPNOTSUPP;
249
250 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
251 return -EFAULT;
252
253 return dev->ethtool_ops->set_rxnfc(dev, &cmd);
254}
255
256/*
257 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
258 */
259static noinline int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
260{
261 struct ethtool_rxnfc info;
262 const struct ethtool_ops *ops = dev->ethtool_ops;
263 int ret;
264 void *rule_buf = NULL;
265
266 if (!ops->get_rxnfc)
267 return -EOPNOTSUPP;
268
269 if (copy_from_user(&info, useraddr, sizeof(info)))
270 return -EFAULT;
271
272 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
273 if (info.rule_cnt > 0) {
274 rule_buf = kmalloc(info.rule_cnt * sizeof(u32),
275 GFP_USER);
276 if (!rule_buf)
277 return -ENOMEM;
278 }
279 }
280
281 ret = ops->get_rxnfc(dev, &info, rule_buf);
282 if (ret < 0)
283 goto err_out;
284
285 ret = -EFAULT;
286 if (copy_to_user(useraddr, &info, sizeof(info)))
287 goto err_out;
288
289 if (rule_buf) {
290 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
291 if (copy_to_user(useraddr, rule_buf,
292 info.rule_cnt * sizeof(u32)))
293 goto err_out;
294 }
295 ret = 0;
296
297err_out:
298 kfree(rule_buf);
299
300 return ret;
301}
302
303static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
304 struct ethtool_rx_ntuple_flow_spec *spec,
305 struct ethtool_rx_ntuple_flow_spec_container *fsc)
306{
307
308 /* don't add filters forever */
309 if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) {
310 /* free the container */
311 kfree(fsc);
312 return;
313 }
314
315 /* Copy the whole filter over */
316 fsc->fs.flow_type = spec->flow_type;
317 memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u));
318 memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u));
319
320 fsc->fs.vlan_tag = spec->vlan_tag;
321 fsc->fs.vlan_tag_mask = spec->vlan_tag_mask;
322 fsc->fs.data = spec->data;
323 fsc->fs.data_mask = spec->data_mask;
324 fsc->fs.action = spec->action;
325
326 /* add to the list */
327 list_add_tail_rcu(&fsc->list, &list->list);
328 list->count++;
329}
330
331/*
332 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
333 */
334static noinline int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
335{
336 struct ethtool_rx_ntuple cmd;
337 const struct ethtool_ops *ops = dev->ethtool_ops;
338 struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL;
339 int ret;
340
341 if (!(dev->features & NETIF_F_NTUPLE))
342 return -EINVAL;
343
344 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
345 return -EFAULT;
346
347 /*
348 * Cache filter in dev struct for GET operation only if
349 * the underlying driver doesn't have its own GET operation, and
350 * only if the filter was added successfully. First make sure we
351 * can allocate the filter, then continue if successful.
352 */
353 if (!ops->get_rx_ntuple) {
354 fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC);
355 if (!fsc)
356 return -ENOMEM;
357 }
358
359 ret = ops->set_rx_ntuple(dev, &cmd);
360 if (ret) {
361 kfree(fsc);
362 return ret;
363 }
364
365 if (!ops->get_rx_ntuple)
366 __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc);
367
368 return ret;
369}
370
371static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr)
372{
373 struct ethtool_gstrings gstrings;
374 const struct ethtool_ops *ops = dev->ethtool_ops;
375 struct ethtool_rx_ntuple_flow_spec_container *fsc;
376 u8 *data;
377 char *p;
378 int ret, i, num_strings = 0;
379
380 if (!ops->get_sset_count)
381 return -EOPNOTSUPP;
382
383 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
384 return -EFAULT;
385
386 ret = ops->get_sset_count(dev, gstrings.string_set);
387 if (ret < 0)
388 return ret;
389
390 gstrings.len = ret;
391
392 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
393 if (!data)
394 return -ENOMEM;
395
396 if (ops->get_rx_ntuple) {
397 /* driver-specific filter grab */
398 ret = ops->get_rx_ntuple(dev, gstrings.string_set, data);
399 goto copy;
400 }
401
402 /* default ethtool filter grab */
403 i = 0;
404 p = (char *)data;
405 list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) {
406 sprintf(p, "Filter %d:\n", i);
407 p += ETH_GSTRING_LEN;
408 num_strings++;
409
410 switch (fsc->fs.flow_type) {
411 case TCP_V4_FLOW:
412 sprintf(p, "\tFlow Type: TCP\n");
413 p += ETH_GSTRING_LEN;
414 num_strings++;
415 break;
416 case UDP_V4_FLOW:
417 sprintf(p, "\tFlow Type: UDP\n");
418 p += ETH_GSTRING_LEN;
419 num_strings++;
420 break;
421 case SCTP_V4_FLOW:
422 sprintf(p, "\tFlow Type: SCTP\n");
423 p += ETH_GSTRING_LEN;
424 num_strings++;
425 break;
426 case AH_ESP_V4_FLOW:
427 sprintf(p, "\tFlow Type: AH ESP\n");
428 p += ETH_GSTRING_LEN;
429 num_strings++;
430 break;
431 case ESP_V4_FLOW:
432 sprintf(p, "\tFlow Type: ESP\n");
433 p += ETH_GSTRING_LEN;
434 num_strings++;
435 break;
436 case IP_USER_FLOW:
437 sprintf(p, "\tFlow Type: Raw IP\n");
438 p += ETH_GSTRING_LEN;
439 num_strings++;
440 break;
441 case IPV4_FLOW:
442 sprintf(p, "\tFlow Type: IPv4\n");
443 p += ETH_GSTRING_LEN;
444 num_strings++;
445 break;
446 default:
447 sprintf(p, "\tFlow Type: Unknown\n");
448 p += ETH_GSTRING_LEN;
449 num_strings++;
450 goto unknown_filter;
451 };
452
453 /* now the rest of the filters */
454 switch (fsc->fs.flow_type) {
455 case TCP_V4_FLOW:
456 case UDP_V4_FLOW:
457 case SCTP_V4_FLOW:
458 sprintf(p, "\tSrc IP addr: 0x%x\n",
459 fsc->fs.h_u.tcp_ip4_spec.ip4src);
460 p += ETH_GSTRING_LEN;
461 num_strings++;
462 sprintf(p, "\tSrc IP mask: 0x%x\n",
463 fsc->fs.m_u.tcp_ip4_spec.ip4src);
464 p += ETH_GSTRING_LEN;
465 num_strings++;
466 sprintf(p, "\tDest IP addr: 0x%x\n",
467 fsc->fs.h_u.tcp_ip4_spec.ip4dst);
468 p += ETH_GSTRING_LEN;
469 num_strings++;
470 sprintf(p, "\tDest IP mask: 0x%x\n",
471 fsc->fs.m_u.tcp_ip4_spec.ip4dst);
472 p += ETH_GSTRING_LEN;
473 num_strings++;
474 sprintf(p, "\tSrc Port: %d, mask: 0x%x\n",
475 fsc->fs.h_u.tcp_ip4_spec.psrc,
476 fsc->fs.m_u.tcp_ip4_spec.psrc);
477 p += ETH_GSTRING_LEN;
478 num_strings++;
479 sprintf(p, "\tDest Port: %d, mask: 0x%x\n",
480 fsc->fs.h_u.tcp_ip4_spec.pdst,
481 fsc->fs.m_u.tcp_ip4_spec.pdst);
482 p += ETH_GSTRING_LEN;
483 num_strings++;
484 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
485 fsc->fs.h_u.tcp_ip4_spec.tos,
486 fsc->fs.m_u.tcp_ip4_spec.tos);
487 p += ETH_GSTRING_LEN;
488 num_strings++;
489 break;
490 case AH_ESP_V4_FLOW:
491 case ESP_V4_FLOW:
492 sprintf(p, "\tSrc IP addr: 0x%x\n",
493 fsc->fs.h_u.ah_ip4_spec.ip4src);
494 p += ETH_GSTRING_LEN;
495 num_strings++;
496 sprintf(p, "\tSrc IP mask: 0x%x\n",
497 fsc->fs.m_u.ah_ip4_spec.ip4src);
498 p += ETH_GSTRING_LEN;
499 num_strings++;
500 sprintf(p, "\tDest IP addr: 0x%x\n",
501 fsc->fs.h_u.ah_ip4_spec.ip4dst);
502 p += ETH_GSTRING_LEN;
503 num_strings++;
504 sprintf(p, "\tDest IP mask: 0x%x\n",
505 fsc->fs.m_u.ah_ip4_spec.ip4dst);
506 p += ETH_GSTRING_LEN;
507 num_strings++;
508 sprintf(p, "\tSPI: %d, mask: 0x%x\n",
509 fsc->fs.h_u.ah_ip4_spec.spi,
510 fsc->fs.m_u.ah_ip4_spec.spi);
511 p += ETH_GSTRING_LEN;
512 num_strings++;
513 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
514 fsc->fs.h_u.ah_ip4_spec.tos,
515 fsc->fs.m_u.ah_ip4_spec.tos);
516 p += ETH_GSTRING_LEN;
517 num_strings++;
518 break;
519 case IP_USER_FLOW:
520 sprintf(p, "\tSrc IP addr: 0x%x\n",
521 fsc->fs.h_u.raw_ip4_spec.ip4src);
522 p += ETH_GSTRING_LEN;
523 num_strings++;
524 sprintf(p, "\tSrc IP mask: 0x%x\n",
525 fsc->fs.m_u.raw_ip4_spec.ip4src);
526 p += ETH_GSTRING_LEN;
527 num_strings++;
528 sprintf(p, "\tDest IP addr: 0x%x\n",
529 fsc->fs.h_u.raw_ip4_spec.ip4dst);
530 p += ETH_GSTRING_LEN;
531 num_strings++;
532 sprintf(p, "\tDest IP mask: 0x%x\n",
533 fsc->fs.m_u.raw_ip4_spec.ip4dst);
534 p += ETH_GSTRING_LEN;
535 num_strings++;
536 break;
537 case IPV4_FLOW:
538 sprintf(p, "\tSrc IP addr: 0x%x\n",
539 fsc->fs.h_u.usr_ip4_spec.ip4src);
540 p += ETH_GSTRING_LEN;
541 num_strings++;
542 sprintf(p, "\tSrc IP mask: 0x%x\n",
543 fsc->fs.m_u.usr_ip4_spec.ip4src);
544 p += ETH_GSTRING_LEN;
545 num_strings++;
546 sprintf(p, "\tDest IP addr: 0x%x\n",
547 fsc->fs.h_u.usr_ip4_spec.ip4dst);
548 p += ETH_GSTRING_LEN;
549 num_strings++;
550 sprintf(p, "\tDest IP mask: 0x%x\n",
551 fsc->fs.m_u.usr_ip4_spec.ip4dst);
552 p += ETH_GSTRING_LEN;
553 num_strings++;
554 sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n",
555 fsc->fs.h_u.usr_ip4_spec.l4_4_bytes,
556 fsc->fs.m_u.usr_ip4_spec.l4_4_bytes);
557 p += ETH_GSTRING_LEN;
558 num_strings++;
559 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
560 fsc->fs.h_u.usr_ip4_spec.tos,
561 fsc->fs.m_u.usr_ip4_spec.tos);
562 p += ETH_GSTRING_LEN;
563 num_strings++;
564 sprintf(p, "\tIP Version: %d, mask: 0x%x\n",
565 fsc->fs.h_u.usr_ip4_spec.ip_ver,
566 fsc->fs.m_u.usr_ip4_spec.ip_ver);
567 p += ETH_GSTRING_LEN;
568 num_strings++;
569 sprintf(p, "\tProtocol: %d, mask: 0x%x\n",
570 fsc->fs.h_u.usr_ip4_spec.proto,
571 fsc->fs.m_u.usr_ip4_spec.proto);
572 p += ETH_GSTRING_LEN;
573 num_strings++;
574 break;
575 };
576 sprintf(p, "\tVLAN: %d, mask: 0x%x\n",
577 fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask);
578 p += ETH_GSTRING_LEN;
579 num_strings++;
580 sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data);
581 p += ETH_GSTRING_LEN;
582 num_strings++;
583 sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask);
584 p += ETH_GSTRING_LEN;
585 num_strings++;
586 if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
587 sprintf(p, "\tAction: Drop\n");
588 else
589 sprintf(p, "\tAction: Direct to queue %d\n",
590 fsc->fs.action);
591 p += ETH_GSTRING_LEN;
592 num_strings++;
593unknown_filter:
594 i++;
595 }
596copy:
597 /* indicate to userspace how many strings we actually have */
598 gstrings.len = num_strings;
599 ret = -EFAULT;
600 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
601 goto out;
602 useraddr += sizeof(gstrings);
603 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
604 goto out;
605 ret = 0;
606
607out:
608 kfree(data);
609 return ret;
610}
611
612static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
613{
614 struct ethtool_regs regs;
615 const struct ethtool_ops *ops = dev->ethtool_ops;
616 void *regbuf;
617 int reglen, ret;
618
619 if (!ops->get_regs || !ops->get_regs_len)
620 return -EOPNOTSUPP;
621
622 if (copy_from_user(®s, useraddr, sizeof(regs)))
623 return -EFAULT;
624
625 reglen = ops->get_regs_len(dev);
626 if (regs.len > reglen)
627 regs.len = reglen;
628
629 regbuf = kmalloc(reglen, GFP_USER);
630 if (!regbuf)
631 return -ENOMEM;
632
633 ops->get_regs(dev, ®s, regbuf);
634
635 ret = -EFAULT;
636 if (copy_to_user(useraddr, ®s, sizeof(regs)))
637 goto out;
638 useraddr += offsetof(struct ethtool_regs, data);
639 if (copy_to_user(useraddr, regbuf, regs.len))
640 goto out;
641 ret = 0;
642
643 out:
644 kfree(regbuf);
645 return ret;
646}
647
648static int ethtool_reset(struct net_device *dev, char __user *useraddr)
649{
650 struct ethtool_value reset;
651 int ret;
652
653 if (!dev->ethtool_ops->reset)
654 return -EOPNOTSUPP;
655
656 if (copy_from_user(&reset, useraddr, sizeof(reset)))
657 return -EFAULT;
658
659 ret = dev->ethtool_ops->reset(dev, &reset.data);
660 if (ret)
661 return ret;
662
663 if (copy_to_user(useraddr, &reset, sizeof(reset)))
664 return -EFAULT;
665 return 0;
666}
667
668static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
669{
670 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
671
672 if (!dev->ethtool_ops->get_wol)
673 return -EOPNOTSUPP;
674
675 dev->ethtool_ops->get_wol(dev, &wol);
676
677 if (copy_to_user(useraddr, &wol, sizeof(wol)))
678 return -EFAULT;
679 return 0;
680}
681
682static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
683{
684 struct ethtool_wolinfo wol;
685
686 if (!dev->ethtool_ops->set_wol)
687 return -EOPNOTSUPP;
688
689 if (copy_from_user(&wol, useraddr, sizeof(wol)))
690 return -EFAULT;
691
692 return dev->ethtool_ops->set_wol(dev, &wol);
693}
694
695static int ethtool_nway_reset(struct net_device *dev)
696{
697 if (!dev->ethtool_ops->nway_reset)
698 return -EOPNOTSUPP;
699
700 return dev->ethtool_ops->nway_reset(dev);
701}
702
703static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
704{
705 struct ethtool_eeprom eeprom;
706 const struct ethtool_ops *ops = dev->ethtool_ops;
707 void __user *userbuf = useraddr + sizeof(eeprom);
708 u32 bytes_remaining;
709 u8 *data;
710 int ret = 0;
711
712 if (!ops->get_eeprom || !ops->get_eeprom_len)
713 return -EOPNOTSUPP;
714
715 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
716 return -EFAULT;
717
718 /* Check for wrap and zero */
719 if (eeprom.offset + eeprom.len <= eeprom.offset)
720 return -EINVAL;
721
722 /* Check for exceeding total eeprom len */
723 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
724 return -EINVAL;
725
726 data = kmalloc(PAGE_SIZE, GFP_USER);
727 if (!data)
728 return -ENOMEM;
729
730 bytes_remaining = eeprom.len;
731 while (bytes_remaining > 0) {
732 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
733
734 ret = ops->get_eeprom(dev, &eeprom, data);
735 if (ret)
736 break;
737 if (copy_to_user(userbuf, data, eeprom.len)) {
738 ret = -EFAULT;
739 break;
740 }
741 userbuf += eeprom.len;
742 eeprom.offset += eeprom.len;
743 bytes_remaining -= eeprom.len;
744 }
745
746 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
747 eeprom.offset -= eeprom.len;
748 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
749 ret = -EFAULT;
750
751 kfree(data);
752 return ret;
753}
754
755static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
756{
757 struct ethtool_eeprom eeprom;
758 const struct ethtool_ops *ops = dev->ethtool_ops;
759 void __user *userbuf = useraddr + sizeof(eeprom);
760 u32 bytes_remaining;
761 u8 *data;
762 int ret = 0;
763
764 if (!ops->set_eeprom || !ops->get_eeprom_len)
765 return -EOPNOTSUPP;
766
767 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
768 return -EFAULT;
769
770 /* Check for wrap and zero */
771 if (eeprom.offset + eeprom.len <= eeprom.offset)
772 return -EINVAL;
773
774 /* Check for exceeding total eeprom len */
775 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
776 return -EINVAL;
777
778 data = kmalloc(PAGE_SIZE, GFP_USER);
779 if (!data)
780 return -ENOMEM;
781
782 bytes_remaining = eeprom.len;
783 while (bytes_remaining > 0) {
784 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
785
786 if (copy_from_user(data, userbuf, eeprom.len)) {
787 ret = -EFAULT;
788 break;
789 }
790 ret = ops->set_eeprom(dev, &eeprom, data);
791 if (ret)
792 break;
793 userbuf += eeprom.len;
794 eeprom.offset += eeprom.len;
795 bytes_remaining -= eeprom.len;
796 }
797
798 kfree(data);
799 return ret;
800}
801
802/*
803 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
804 */
805static noinline int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
806{
807 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
808
809 if (!dev->ethtool_ops->get_coalesce)
810 return -EOPNOTSUPP;
811
812 dev->ethtool_ops->get_coalesce(dev, &coalesce);
813
814 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
815 return -EFAULT;
816 return 0;
817}
818
819/*
820 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
821 */
822static noinline int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
823{
824 struct ethtool_coalesce coalesce;
825
826 if (!dev->ethtool_ops->set_coalesce)
827 return -EOPNOTSUPP;
828
829 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
830 return -EFAULT;
831
832 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
833}
834
835static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
836{
837 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
838
839 if (!dev->ethtool_ops->get_ringparam)
840 return -EOPNOTSUPP;
841
842 dev->ethtool_ops->get_ringparam(dev, &ringparam);
843
844 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
845 return -EFAULT;
846 return 0;
847}
848
849static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
850{
851 struct ethtool_ringparam ringparam;
852
853 if (!dev->ethtool_ops->set_ringparam)
854 return -EOPNOTSUPP;
855
856 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
857 return -EFAULT;
858
859 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
860}
861
862static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
863{
864 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
865
866 if (!dev->ethtool_ops->get_pauseparam)
867 return -EOPNOTSUPP;
868
869 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
870
871 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
872 return -EFAULT;
873 return 0;
874}
875
876static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
877{
878 struct ethtool_pauseparam pauseparam;
879
880 if (!dev->ethtool_ops->set_pauseparam)
881 return -EOPNOTSUPP;
882
883 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
884 return -EFAULT;
885
886 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
887}
888
889static int __ethtool_set_sg(struct net_device *dev, u32 data)
890{
891 int err;
892
893 if (!data && dev->ethtool_ops->set_tso) {
894 err = dev->ethtool_ops->set_tso(dev, 0);
895 if (err)
896 return err;
897 }
898
899 if (!data && dev->ethtool_ops->set_ufo) {
900 err = dev->ethtool_ops->set_ufo(dev, 0);
901 if (err)
902 return err;
903 }
904 return dev->ethtool_ops->set_sg(dev, data);
905}
906
907static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr)
908{
909 struct ethtool_value edata;
910 int err;
911
912 if (!dev->ethtool_ops->set_tx_csum)
913 return -EOPNOTSUPP;
914
915 if (copy_from_user(&edata, useraddr, sizeof(edata)))
916 return -EFAULT;
917
918 if (!edata.data && dev->ethtool_ops->set_sg) {
919 err = __ethtool_set_sg(dev, 0);
920 if (err)
921 return err;
922 }
923
924 return dev->ethtool_ops->set_tx_csum(dev, edata.data);
925}
926
927static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr)
928{
929 struct ethtool_value edata;
930
931 if (!dev->ethtool_ops->set_rx_csum)
932 return -EOPNOTSUPP;
933
934 if (copy_from_user(&edata, useraddr, sizeof(edata)))
935 return -EFAULT;
936
937 if (!edata.data && dev->ethtool_ops->set_sg)
938 dev->features &= ~NETIF_F_GRO;
939
940 return dev->ethtool_ops->set_rx_csum(dev, edata.data);
941}
942
943static int ethtool_set_sg(struct net_device *dev, char __user *useraddr)
944{
945 struct ethtool_value edata;
946
947 if (!dev->ethtool_ops->set_sg)
948 return -EOPNOTSUPP;
949
950 if (copy_from_user(&edata, useraddr, sizeof(edata)))
951 return -EFAULT;
952
953 if (edata.data &&
954 !(dev->features & NETIF_F_ALL_CSUM))
955 return -EINVAL;
956
957 return __ethtool_set_sg(dev, edata.data);
958}
959
960static int ethtool_set_tso(struct net_device *dev, char __user *useraddr)
961{
962 struct ethtool_value edata;
963
964 if (!dev->ethtool_ops->set_tso)
965 return -EOPNOTSUPP;
966
967 if (copy_from_user(&edata, useraddr, sizeof(edata)))
968 return -EFAULT;
969
970 if (edata.data && !(dev->features & NETIF_F_SG))
971 return -EINVAL;
972
973 return dev->ethtool_ops->set_tso(dev, edata.data);
974}
975
976static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr)
977{
978 struct ethtool_value edata;
979
980 if (!dev->ethtool_ops->set_ufo)
981 return -EOPNOTSUPP;
982 if (copy_from_user(&edata, useraddr, sizeof(edata)))
983 return -EFAULT;
984 if (edata.data && !(dev->features & NETIF_F_SG))
985 return -EINVAL;
986 if (edata.data && !(dev->features & NETIF_F_HW_CSUM))
987 return -EINVAL;
988 return dev->ethtool_ops->set_ufo(dev, edata.data);
989}
990
991static int ethtool_get_gso(struct net_device *dev, char __user *useraddr)
992{
993 struct ethtool_value edata = { ETHTOOL_GGSO };
994
995 edata.data = dev->features & NETIF_F_GSO;
996 if (copy_to_user(useraddr, &edata, sizeof(edata)))
997 return -EFAULT;
998 return 0;
999}
1000
1001static int ethtool_set_gso(struct net_device *dev, char __user *useraddr)
1002{
1003 struct ethtool_value edata;
1004
1005 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1006 return -EFAULT;
1007 if (edata.data)
1008 dev->features |= NETIF_F_GSO;
1009 else
1010 dev->features &= ~NETIF_F_GSO;
1011 return 0;
1012}
1013
1014static int ethtool_get_gro(struct net_device *dev, char __user *useraddr)
1015{
1016 struct ethtool_value edata = { ETHTOOL_GGRO };
1017
1018 edata.data = dev->features & NETIF_F_GRO;
1019 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1020 return -EFAULT;
1021 return 0;
1022}
1023
1024static int ethtool_set_gro(struct net_device *dev, char __user *useraddr)
1025{
1026 struct ethtool_value edata;
1027
1028 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1029 return -EFAULT;
1030
1031 if (edata.data) {
1032 if (!dev->ethtool_ops->get_rx_csum ||
1033 !dev->ethtool_ops->get_rx_csum(dev))
1034 return -EINVAL;
1035 dev->features |= NETIF_F_GRO;
1036 } else
1037 dev->features &= ~NETIF_F_GRO;
1038
1039 return 0;
1040}
1041
1042static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1043{
1044 struct ethtool_test test;
1045 const struct ethtool_ops *ops = dev->ethtool_ops;
1046 u64 *data;
1047 int ret, test_len;
1048
1049 if (!ops->self_test || !ops->get_sset_count)
1050 return -EOPNOTSUPP;
1051
1052 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1053 if (test_len < 0)
1054 return test_len;
1055 WARN_ON(test_len == 0);
1056
1057 if (copy_from_user(&test, useraddr, sizeof(test)))
1058 return -EFAULT;
1059
1060 test.len = test_len;
1061 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1062 if (!data)
1063 return -ENOMEM;
1064
1065 ops->self_test(dev, &test, data);
1066
1067 ret = -EFAULT;
1068 if (copy_to_user(useraddr, &test, sizeof(test)))
1069 goto out;
1070 useraddr += sizeof(test);
1071 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1072 goto out;
1073 ret = 0;
1074
1075 out:
1076 kfree(data);
1077 return ret;
1078}
1079
1080static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1081{
1082 struct ethtool_gstrings gstrings;
1083 const struct ethtool_ops *ops = dev->ethtool_ops;
1084 u8 *data;
1085 int ret;
1086
1087 if (!ops->get_strings || !ops->get_sset_count)
1088 return -EOPNOTSUPP;
1089
1090 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1091 return -EFAULT;
1092
1093 ret = ops->get_sset_count(dev, gstrings.string_set);
1094 if (ret < 0)
1095 return ret;
1096
1097 gstrings.len = ret;
1098
1099 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
1100 if (!data)
1101 return -ENOMEM;
1102
1103 ops->get_strings(dev, gstrings.string_set, data);
1104
1105 ret = -EFAULT;
1106 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1107 goto out;
1108 useraddr += sizeof(gstrings);
1109 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1110 goto out;
1111 ret = 0;
1112
1113 out:
1114 kfree(data);
1115 return ret;
1116}
1117
1118static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1119{
1120 struct ethtool_value id;
1121
1122 if (!dev->ethtool_ops->phys_id)
1123 return -EOPNOTSUPP;
1124
1125 if (copy_from_user(&id, useraddr, sizeof(id)))
1126 return -EFAULT;
1127
1128 return dev->ethtool_ops->phys_id(dev, id.data);
1129}
1130
1131static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1132{
1133 struct ethtool_stats stats;
1134 const struct ethtool_ops *ops = dev->ethtool_ops;
1135 u64 *data;
1136 int ret, n_stats;
1137
1138 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1139 return -EOPNOTSUPP;
1140
1141 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1142 if (n_stats < 0)
1143 return n_stats;
1144 WARN_ON(n_stats == 0);
1145
1146 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1147 return -EFAULT;
1148
1149 stats.n_stats = n_stats;
1150 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1151 if (!data)
1152 return -ENOMEM;
1153
1154 ops->get_ethtool_stats(dev, &stats, data);
1155
1156 ret = -EFAULT;
1157 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1158 goto out;
1159 useraddr += sizeof(stats);
1160 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1161 goto out;
1162 ret = 0;
1163
1164 out:
1165 kfree(data);
1166 return ret;
1167}
1168
1169static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1170{
1171 struct ethtool_perm_addr epaddr;
1172
1173 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1174 return -EFAULT;
1175
1176 if (epaddr.size < dev->addr_len)
1177 return -ETOOSMALL;
1178 epaddr.size = dev->addr_len;
1179
1180 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1181 return -EFAULT;
1182 useraddr += sizeof(epaddr);
1183 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1184 return -EFAULT;
1185 return 0;
1186}
1187
1188static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1189 u32 cmd, u32 (*actor)(struct net_device *))
1190{
1191 struct ethtool_value edata = { .cmd = cmd };
1192
1193 if (!actor)
1194 return -EOPNOTSUPP;
1195
1196 edata.data = actor(dev);
1197
1198 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1199 return -EFAULT;
1200 return 0;
1201}
1202
1203static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1204 void (*actor)(struct net_device *, u32))
1205{
1206 struct ethtool_value edata;
1207
1208 if (!actor)
1209 return -EOPNOTSUPP;
1210
1211 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1212 return -EFAULT;
1213
1214 actor(dev, edata.data);
1215 return 0;
1216}
1217
1218static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1219 int (*actor)(struct net_device *, u32))
1220{
1221 struct ethtool_value edata;
1222
1223 if (!actor)
1224 return -EOPNOTSUPP;
1225
1226 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1227 return -EFAULT;
1228
1229 return actor(dev, edata.data);
1230}
1231
1232/*
1233 * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
1234 */
1235static noinline int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
1236{
1237 struct ethtool_flash efl;
1238
1239 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1240 return -EFAULT;
1241
1242 if (!dev->ethtool_ops->flash_device)
1243 return -EOPNOTSUPP;
1244
1245 return dev->ethtool_ops->flash_device(dev, &efl);
1246}
1247
1248/* The main entry point in this file. Called from net/core/dev.c */
1249
1250int dev_ethtool(struct net *net, struct ifreq *ifr)
1251{
1252 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1253 void __user *useraddr = ifr->ifr_data;
1254 u32 ethcmd;
1255 int rc;
1256 unsigned long old_features;
1257
1258 if (!dev || !netif_device_present(dev))
1259 return -ENODEV;
1260
1261 if (!dev->ethtool_ops)
1262 return -EOPNOTSUPP;
1263
1264 if (copy_from_user(ðcmd, useraddr, sizeof (ethcmd)))
1265 return -EFAULT;
1266
1267 /* Allow some commands to be done by anyone */
1268 switch(ethcmd) {
1269 case ETHTOOL_GDRVINFO:
1270 case ETHTOOL_GMSGLVL:
1271 case ETHTOOL_GCOALESCE:
1272 case ETHTOOL_GRINGPARAM:
1273 case ETHTOOL_GPAUSEPARAM:
1274 case ETHTOOL_GRXCSUM:
1275 case ETHTOOL_GTXCSUM:
1276 case ETHTOOL_GSG:
1277 case ETHTOOL_GSTRINGS:
1278 case ETHTOOL_GTSO:
1279 case ETHTOOL_GPERMADDR:
1280 case ETHTOOL_GUFO:
1281 case ETHTOOL_GGSO:
1282 case ETHTOOL_GGRO:
1283 case ETHTOOL_GFLAGS:
1284 case ETHTOOL_GPFLAGS:
1285 case ETHTOOL_GRXFH:
1286 case ETHTOOL_GRXRINGS:
1287 case ETHTOOL_GRXCLSRLCNT:
1288 case ETHTOOL_GRXCLSRULE:
1289 case ETHTOOL_GRXCLSRLALL:
1290 break;
1291 default:
1292 if (!capable(CAP_NET_ADMIN))
1293 return -EPERM;
1294 }
1295
1296 if (dev->ethtool_ops->begin)
1297 if ((rc = dev->ethtool_ops->begin(dev)) < 0)
1298 return rc;
1299
1300 old_features = dev->features;
1301
1302 switch (ethcmd) {
1303 case ETHTOOL_GSET:
1304 rc = ethtool_get_settings(dev, useraddr);
1305 break;
1306 case ETHTOOL_SSET:
1307 rc = ethtool_set_settings(dev, useraddr);
1308 break;
1309 case ETHTOOL_GDRVINFO:
1310 rc = ethtool_get_drvinfo(dev, useraddr);
1311 break;
1312 case ETHTOOL_GREGS:
1313 rc = ethtool_get_regs(dev, useraddr);
1314 break;
1315 case ETHTOOL_GWOL:
1316 rc = ethtool_get_wol(dev, useraddr);
1317 break;
1318 case ETHTOOL_SWOL:
1319 rc = ethtool_set_wol(dev, useraddr);
1320 break;
1321 case ETHTOOL_GMSGLVL:
1322 rc = ethtool_get_value(dev, useraddr, ethcmd,
1323 dev->ethtool_ops->get_msglevel);
1324 break;
1325 case ETHTOOL_SMSGLVL:
1326 rc = ethtool_set_value_void(dev, useraddr,
1327 dev->ethtool_ops->set_msglevel);
1328 break;
1329 case ETHTOOL_NWAY_RST:
1330 rc = ethtool_nway_reset(dev);
1331 break;
1332 case ETHTOOL_GLINK:
1333 rc = ethtool_get_value(dev, useraddr, ethcmd,
1334 dev->ethtool_ops->get_link);
1335 break;
1336 case ETHTOOL_GEEPROM:
1337 rc = ethtool_get_eeprom(dev, useraddr);
1338 break;
1339 case ETHTOOL_SEEPROM:
1340 rc = ethtool_set_eeprom(dev, useraddr);
1341 break;
1342 case ETHTOOL_GCOALESCE:
1343 rc = ethtool_get_coalesce(dev, useraddr);
1344 break;
1345 case ETHTOOL_SCOALESCE:
1346 rc = ethtool_set_coalesce(dev, useraddr);
1347 break;
1348 case ETHTOOL_GRINGPARAM:
1349 rc = ethtool_get_ringparam(dev, useraddr);
1350 break;
1351 case ETHTOOL_SRINGPARAM:
1352 rc = ethtool_set_ringparam(dev, useraddr);
1353 break;
1354 case ETHTOOL_GPAUSEPARAM:
1355 rc = ethtool_get_pauseparam(dev, useraddr);
1356 break;
1357 case ETHTOOL_SPAUSEPARAM:
1358 rc = ethtool_set_pauseparam(dev, useraddr);
1359 break;
1360 case ETHTOOL_GRXCSUM:
1361 rc = ethtool_get_value(dev, useraddr, ethcmd,
1362 (dev->ethtool_ops->get_rx_csum ?
1363 dev->ethtool_ops->get_rx_csum :
1364 ethtool_op_get_rx_csum));
1365 break;
1366 case ETHTOOL_SRXCSUM:
1367 rc = ethtool_set_rx_csum(dev, useraddr);
1368 break;
1369 case ETHTOOL_GTXCSUM:
1370 rc = ethtool_get_value(dev, useraddr, ethcmd,
1371 (dev->ethtool_ops->get_tx_csum ?
1372 dev->ethtool_ops->get_tx_csum :
1373 ethtool_op_get_tx_csum));
1374 break;
1375 case ETHTOOL_STXCSUM:
1376 rc = ethtool_set_tx_csum(dev, useraddr);
1377 break;
1378 case ETHTOOL_GSG:
1379 rc = ethtool_get_value(dev, useraddr, ethcmd,
1380 (dev->ethtool_ops->get_sg ?
1381 dev->ethtool_ops->get_sg :
1382 ethtool_op_get_sg));
1383 break;
1384 case ETHTOOL_SSG:
1385 rc = ethtool_set_sg(dev, useraddr);
1386 break;
1387 case ETHTOOL_GTSO:
1388 rc = ethtool_get_value(dev, useraddr, ethcmd,
1389 (dev->ethtool_ops->get_tso ?
1390 dev->ethtool_ops->get_tso :
1391 ethtool_op_get_tso));
1392 break;
1393 case ETHTOOL_STSO:
1394 rc = ethtool_set_tso(dev, useraddr);
1395 break;
1396 case ETHTOOL_TEST:
1397 rc = ethtool_self_test(dev, useraddr);
1398 break;
1399 case ETHTOOL_GSTRINGS:
1400 rc = ethtool_get_strings(dev, useraddr);
1401 break;
1402 case ETHTOOL_PHYS_ID:
1403 rc = ethtool_phys_id(dev, useraddr);
1404 break;
1405 case ETHTOOL_GSTATS:
1406 rc = ethtool_get_stats(dev, useraddr);
1407 break;
1408 case ETHTOOL_GPERMADDR:
1409 rc = ethtool_get_perm_addr(dev, useraddr);
1410 break;
1411 case ETHTOOL_GUFO:
1412 rc = ethtool_get_value(dev, useraddr, ethcmd,
1413 (dev->ethtool_ops->get_ufo ?
1414 dev->ethtool_ops->get_ufo :
1415 ethtool_op_get_ufo));
1416 break;
1417 case ETHTOOL_SUFO:
1418 rc = ethtool_set_ufo(dev, useraddr);
1419 break;
1420 case ETHTOOL_GGSO:
1421 rc = ethtool_get_gso(dev, useraddr);
1422 break;
1423 case ETHTOOL_SGSO:
1424 rc = ethtool_set_gso(dev, useraddr);
1425 break;
1426 case ETHTOOL_GFLAGS:
1427 rc = ethtool_get_value(dev, useraddr, ethcmd,
1428 (dev->ethtool_ops->get_flags ?
1429 dev->ethtool_ops->get_flags :
1430 ethtool_op_get_flags));
1431 break;
1432 case ETHTOOL_SFLAGS:
1433 rc = ethtool_set_value(dev, useraddr,
1434 dev->ethtool_ops->set_flags);
1435 break;
1436 case ETHTOOL_GPFLAGS:
1437 rc = ethtool_get_value(dev, useraddr, ethcmd,
1438 dev->ethtool_ops->get_priv_flags);
1439 break;
1440 case ETHTOOL_SPFLAGS:
1441 rc = ethtool_set_value(dev, useraddr,
1442 dev->ethtool_ops->set_priv_flags);
1443 break;
1444 case ETHTOOL_GRXFH:
1445 case ETHTOOL_GRXRINGS:
1446 case ETHTOOL_GRXCLSRLCNT:
1447 case ETHTOOL_GRXCLSRULE:
1448 case ETHTOOL_GRXCLSRLALL:
1449 rc = ethtool_get_rxnfc(dev, useraddr);
1450 break;
1451 case ETHTOOL_SRXFH:
1452 case ETHTOOL_SRXCLSRLDEL:
1453 case ETHTOOL_SRXCLSRLINS:
1454 rc = ethtool_set_rxnfc(dev, useraddr);
1455 break;
1456 case ETHTOOL_GGRO:
1457 rc = ethtool_get_gro(dev, useraddr);
1458 break;
1459 case ETHTOOL_SGRO:
1460 rc = ethtool_set_gro(dev, useraddr);
1461 break;
1462 case ETHTOOL_FLASHDEV:
1463 rc = ethtool_flash_device(dev, useraddr);
1464 break;
1465 case ETHTOOL_RESET:
1466 rc = ethtool_reset(dev, useraddr);
1467 break;
1468 case ETHTOOL_SRXNTUPLE:
1469 rc = ethtool_set_rx_ntuple(dev, useraddr);
1470 break;
1471 case ETHTOOL_GRXNTUPLE:
1472 rc = ethtool_get_rx_ntuple(dev, useraddr);
1473 break;
1474 default:
1475 rc = -EOPNOTSUPP;
1476 }
1477
1478 if (dev->ethtool_ops->complete)
1479 dev->ethtool_ops->complete(dev);
1480
1481 if (old_features != dev->features)
1482 netdev_features_change(dev);
1483
1484 return rc;
1485}
1486
1487EXPORT_SYMBOL(ethtool_op_get_link);
1488EXPORT_SYMBOL(ethtool_op_get_sg);
1489EXPORT_SYMBOL(ethtool_op_get_tso);
1490EXPORT_SYMBOL(ethtool_op_set_sg);
1491EXPORT_SYMBOL(ethtool_op_set_tso);
1492EXPORT_SYMBOL(ethtool_op_set_tx_csum);
1493EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);
1494EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum);
1495EXPORT_SYMBOL(ethtool_op_set_ufo);
1496EXPORT_SYMBOL(ethtool_op_get_ufo);
1497EXPORT_SYMBOL(ethtool_op_set_flags);
1498EXPORT_SYMBOL(ethtool_op_get_flags);