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driver/net/ethernet/ec_bhf.c: fix sparse warnings
[deliverable/linux.git] / net / core / ethtool.c
CommitLineData
1da177e4
LT		 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
61a44b9c 6 * the information ethtool needs.
1da177e4 7 *
61a44b9c
MW		 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.
1da177e4
LT		 12 */
13
14#include <linux/module.h>
15#include <linux/types.h>
4fc268d2 16#include <linux/capability.h>
1da177e4
LT		 17#include <linux/errno.h>
18#include <linux/ethtool.h>
19#include <linux/netdevice.h>
c8f3a8c3
RC		 20#include <linux/net_tstamp.h>
21#include <linux/phy.h>
d17792eb 22#include <linux/bitops.h>
97f8aefb 23#include <linux/uaccess.h>
73da16c2 24#include <linux/vmalloc.h>
5a0e3ad6 25#include <linux/slab.h>
68f512f2
BH		 26#include <linux/rtnetlink.h>
27#include <linux/sched.h>
1da177e4 28
4ec93edb 29/*
1da177e4
LT		 30 * Some useful ethtool_ops methods that're device independent.
31 * If we find that all drivers want to do the same thing here,
32 * we can turn these into dev_() function calls.
33 */
34
35u32 ethtool_op_get_link(struct net_device *dev)
36{
37 return netif_carrier_ok(dev) ? 1 : 0;
38}
97f8aefb 39EXPORT_SYMBOL(ethtool_op_get_link);
1da177e4 40
02eacbd0
RC		 41int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
42{
43 info->so_timestamping =
44 SOF_TIMESTAMPING_TX_SOFTWARE |
45 SOF_TIMESTAMPING_RX_SOFTWARE |
46 SOF_TIMESTAMPING_SOFTWARE;
47 info->phc_index = -1;
48 return 0;
49}
50EXPORT_SYMBOL(ethtool_op_get_ts_info);
51
1da177e4
LT		 52/* Handlers for each ethtool command */
53
475414f6 54#define ETHTOOL_DEV_FEATURE_WORDS ((NETDEV_FEATURE_COUNT + 31) / 32)
5455c699 55
9d921549
MM		 56static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
57 [NETIF_F_SG_BIT] = "tx-scatter-gather",
58 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
9d921549
MM		 59 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
60 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
61 [NETIF_F_HIGHDMA_BIT] = "highdma",
62 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
788dfcac 63 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
9d921549 64
788dfcac
FLVC		 65 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
66 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
2d6577f1
DM		 67 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
68 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
69 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
9d921549
MM		 70 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
71 [NETIF_F_GSO_BIT] = "tx-generic-segmentation",
72 [NETIF_F_LLTX_BIT] = "tx-lockless",
73 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
74 [NETIF_F_GRO_BIT] = "rx-gro",
75 [NETIF_F_LRO_BIT] = "rx-lro",
76
77 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
78 [NETIF_F_UFO_BIT] = "tx-udp-fragmentation",
79 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
80 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
81 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
82 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
68c33163 83 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
cb32f511 84 [NETIF_F_GSO_IPIP_BIT] = "tx-ipip-segmentation",
61c1db7f 85 [NETIF_F_GSO_SIT_BIT] = "tx-sit-segmentation",
73136267 86 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
0d89d203 87 [NETIF_F_GSO_MPLS_BIT] = "tx-mpls-segmentation",
9d921549
MM		 88
89 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
90 [NETIF_F_SCTP_CSUM_BIT] = "tx-checksum-sctp",
91 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
92 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
93 [NETIF_F_RXHASH_BIT] = "rx-hashing",
94 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
95 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
96 [NETIF_F_LOOPBACK_BIT] = "loopback",
36eabda3 97 [NETIF_F_RXFCS_BIT] = "rx-fcs",
5e0c03c8 98 [NETIF_F_RXALL_BIT] = "rx-all",
a6cc0cfa 99 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
d0290214 100 [NETIF_F_BUSY_POLL_BIT] = "busy-poll",
9d921549
MM		 101};
102
5455c699
MM		 103static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
104{
105 struct ethtool_gfeatures cmd = {
106 .cmd = ETHTOOL_GFEATURES,
107 .size = ETHTOOL_DEV_FEATURE_WORDS,
108 };
475414f6 109 struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
5455c699
MM		 110 u32 __user *sizeaddr;
111 u32 copy_size;
475414f6
MM		 112 int i;
113
114 /* in case feature bits run out again */
09da71b1 115 BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t));
475414f6
MM		 116
117 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
09da71b1
MM		 118 features[i].available = (u32)(dev->hw_features >> (32 * i));
119 features[i].requested = (u32)(dev->wanted_features >> (32 * i));
120 features[i].active = (u32)(dev->features >> (32 * i));
121 features[i].never_changed =
122 (u32)(NETIF_F_NEVER_CHANGE >> (32 * i));
475414f6 123 }
5455c699
MM		 124
125 sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
126 if (get_user(copy_size, sizeaddr))
127 return -EFAULT;
128
129 if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
130 copy_size = ETHTOOL_DEV_FEATURE_WORDS;
131
132 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
133 return -EFAULT;
134 useraddr += sizeof(cmd);
135 if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
136 return -EFAULT;
137
138 return 0;
139}
140
141static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
142{
143 struct ethtool_sfeatures cmd;
144 struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
475414f6
MM		 145 netdev_features_t wanted = 0, valid = 0;
146 int i, ret = 0;
5455c699
MM		 147
148 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
149 return -EFAULT;
150 useraddr += sizeof(cmd);
151
152 if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
153 return -EINVAL;
154
155 if (copy_from_user(features, useraddr, sizeof(features)))
156 return -EFAULT;
157
475414f6 158 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
09da71b1
MM		 159 valid |= (netdev_features_t)features[i].valid << (32 * i);
160 wanted |= (netdev_features_t)features[i].requested << (32 * i);
475414f6
MM		 161 }
162
163 if (valid & ~NETIF_F_ETHTOOL_BITS)
5455c699
MM		 164 return -EINVAL;
165
475414f6
MM		 166 if (valid & ~dev->hw_features) {
167 valid &= dev->hw_features;
5455c699
MM		 168 ret |= ETHTOOL_F_UNSUPPORTED;
169 }
170
475414f6
MM		 171 dev->wanted_features &= ~valid;
172 dev->wanted_features |= wanted & valid;
6cb6a27c 173 __netdev_update_features(dev);
5455c699 174
475414f6 175 if ((dev->wanted_features ^ dev->features) & valid)
5455c699
MM		 176 ret |= ETHTOOL_F_WISH;
177
178 return ret;
179}
180
340ae165
MM		 181static int __ethtool_get_sset_count(struct net_device *dev, int sset)
182{
183 const struct ethtool_ops *ops = dev->ethtool_ops;
184
5455c699
MM		 185 if (sset == ETH_SS_FEATURES)
186 return ARRAY_SIZE(netdev_features_strings);
187
c03a14e8 188 if (ops->get_sset_count && ops->get_strings)
340ae165
MM		 189 return ops->get_sset_count(dev, sset);
190 else
191 return -EOPNOTSUPP;
192}
193
194static void __ethtool_get_strings(struct net_device *dev,
195 u32 stringset, u8 *data)
196{
197 const struct ethtool_ops *ops = dev->ethtool_ops;
198
5455c699
MM		 199 if (stringset == ETH_SS_FEATURES)
200 memcpy(data, netdev_features_strings,
201 sizeof(netdev_features_strings));
202 else
203 /* ops->get_strings is valid because checked earlier */
204 ops->get_strings(dev, stringset, data);
340ae165
MM		 205}
206
c8f44aff 207static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd)
0a417704
MM		 208{
209 /* feature masks of legacy discrete ethtool ops */
210
211 switch (eth_cmd) {
212 case ETHTOOL_GTXCSUM:
213 case ETHTOOL_STXCSUM:
214 return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
e83d360d
MM		 215 case ETHTOOL_GRXCSUM:
216 case ETHTOOL_SRXCSUM:
217 return NETIF_F_RXCSUM;
0a417704
MM		 218 case ETHTOOL_GSG:
219 case ETHTOOL_SSG:
220 return NETIF_F_SG;
221 case ETHTOOL_GTSO:
222 case ETHTOOL_STSO:
223 return NETIF_F_ALL_TSO;
224 case ETHTOOL_GUFO:
225 case ETHTOOL_SUFO:
226 return NETIF_F_UFO;
227 case ETHTOOL_GGSO:
228 case ETHTOOL_SGSO:
229 return NETIF_F_GSO;
230 case ETHTOOL_GGRO:
231 case ETHTOOL_SGRO:
232 return NETIF_F_GRO;
233 default:
234 BUG();
235 }
236}
237
0a417704
MM		 238static int ethtool_get_one_feature(struct net_device *dev,
239 char __user *useraddr, u32 ethcmd)
240{
c8f44aff 241 netdev_features_t mask = ethtool_get_feature_mask(ethcmd);
0a417704
MM		 242 struct ethtool_value edata = {
243 .cmd = ethcmd,
86794881 244 .data = !!(dev->features & mask),
0a417704 245 };
0a417704 246
0a417704
MM		 247 if (copy_to_user(useraddr, &edata, sizeof(edata)))
248 return -EFAULT;
249 return 0;
250}
251
0a417704
MM		 252static int ethtool_set_one_feature(struct net_device *dev,
253 void __user *useraddr, u32 ethcmd)
254{
255 struct ethtool_value edata;
c8f44aff 256 netdev_features_t mask;
0a417704
MM		 257
258 if (copy_from_user(&edata, useraddr, sizeof(edata)))
259 return -EFAULT;
260
86794881
MM		 261 mask = ethtool_get_feature_mask(ethcmd);
262 mask &= dev->hw_features;
bc5787c6
MM		 263 if (!mask)
264 return -EOPNOTSUPP;
86794881 265
bc5787c6
MM		 266 if (edata.data)
267 dev->wanted_features |= mask;
268 else
269 dev->wanted_features &= ~mask;
86794881 270
bc5787c6 271 __netdev_update_features(dev);
86794881 272
bc5787c6
MM		 273 return 0;
274}
275
02b3a552
MM		 276#define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
277 ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
f646968f
PM		 278#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \
279 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \
280 NETIF_F_RXHASH)
bc5787c6
MM		 281
282static u32 __ethtool_get_flags(struct net_device *dev)
283{
02b3a552
MM		 284 u32 flags = 0;
285
8a73125c
DF		 286 if (dev->features & NETIF_F_LRO)
287 flags |= ETH_FLAG_LRO;
288 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
289 flags |= ETH_FLAG_RXVLAN;
290 if (dev->features & NETIF_F_HW_VLAN_CTAG_TX)
291 flags |= ETH_FLAG_TXVLAN;
292 if (dev->features & NETIF_F_NTUPLE)
293 flags |= ETH_FLAG_NTUPLE;
294 if (dev->features & NETIF_F_RXHASH)
295 flags |= ETH_FLAG_RXHASH;
02b3a552
MM		 296
297 return flags;
0a417704
MM		 298}
299
bc5787c6 300static int __ethtool_set_flags(struct net_device *dev, u32 data)
da8ac86c 301{
c8f44aff 302 netdev_features_t features = 0, changed;
da8ac86c 303
02b3a552 304 if (data & ~ETH_ALL_FLAGS)
da8ac86c
MM		 305 return -EINVAL;
306
8a73125c
DF		 307 if (data & ETH_FLAG_LRO)
308 features |= NETIF_F_LRO;
309 if (data & ETH_FLAG_RXVLAN)
310 features |= NETIF_F_HW_VLAN_CTAG_RX;
311 if (data & ETH_FLAG_TXVLAN)
312 features |= NETIF_F_HW_VLAN_CTAG_TX;
313 if (data & ETH_FLAG_NTUPLE)
314 features |= NETIF_F_NTUPLE;
315 if (data & ETH_FLAG_RXHASH)
316 features |= NETIF_F_RXHASH;
02b3a552 317
da8ac86c 318 /* allow changing only bits set in hw_features */
02b3a552 319 changed = (features ^ dev->features) & ETH_ALL_FEATURES;
da8ac86c
MM		 320 if (changed & ~dev->hw_features)
321 return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
322
323 dev->wanted_features =
02b3a552 324 (dev->wanted_features & ~changed) | (features & changed);
da8ac86c 325
6cb6a27c 326 __netdev_update_features(dev);
da8ac86c
MM		 327
328 return 0;
329}
330
4bc71cb9 331int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1da177e4 332{
4bc71cb9 333 ASSERT_RTNL();
1da177e4 334
c03a14e8 335 if (!dev->ethtool_ops->get_settings)
1da177e4
LT		 336 return -EOPNOTSUPP;
337
4bc71cb9
JP		 338 memset(cmd, 0, sizeof(struct ethtool_cmd));
339 cmd->cmd = ETHTOOL_GSET;
340 return dev->ethtool_ops->get_settings(dev, cmd);
341}
342EXPORT_SYMBOL(__ethtool_get_settings);
343
344static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
345{
346 int err;
347 struct ethtool_cmd cmd;
348
349 err = __ethtool_get_settings(dev, &cmd);
1da177e4
LT		 350 if (err < 0)
351 return err;
352
353 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
354 return -EFAULT;
355 return 0;
356}
357
358static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
359{
360 struct ethtool_cmd cmd;
361
362 if (!dev->ethtool_ops->set_settings)
363 return -EOPNOTSUPP;
364
365 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
366 return -EFAULT;
367
368 return dev->ethtool_ops->set_settings(dev, &cmd);
369}
370
97f8aefb 371static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
372 void __user *useraddr)
1da177e4
LT		 373{
374 struct ethtool_drvinfo info;
76fd8593 375 const struct ethtool_ops *ops = dev->ethtool_ops;
1da177e4 376
1da177e4
LT		 377 memset(&info, 0, sizeof(info));
378 info.cmd = ETHTOOL_GDRVINFO;
c03a14e8 379 if (ops->get_drvinfo) {
01414802
BH		 380 ops->get_drvinfo(dev, &info);
381 } else if (dev->dev.parent && dev->dev.parent->driver) {
382 strlcpy(info.bus_info, dev_name(dev->dev.parent),
383 sizeof(info.bus_info));
384 strlcpy(info.driver, dev->dev.parent->driver->name,
385 sizeof(info.driver));
386 } else {
387 return -EOPNOTSUPP;
388 }
1da177e4 389
723b2f57
JG		 390 /*
391 * this method of obtaining string set info is deprecated;
d17792eb 392 * Use ETHTOOL_GSSET_INFO instead.
723b2f57 393 */
c03a14e8 394 if (ops->get_sset_count) {
ff03d49f
JG		 395 int rc;
396
397 rc = ops->get_sset_count(dev, ETH_SS_TEST);
398 if (rc >= 0)
399 info.testinfo_len = rc;
400 rc = ops->get_sset_count(dev, ETH_SS_STATS);
401 if (rc >= 0)
402 info.n_stats = rc;
339bf024
JG		 403 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
404 if (rc >= 0)
405 info.n_priv_flags = rc;
ff03d49f 406 }
c03a14e8 407 if (ops->get_regs_len)
1da177e4 408 info.regdump_len = ops->get_regs_len(dev);
c03a14e8 409 if (ops->get_eeprom_len)
1da177e4
LT		 410 info.eedump_len = ops->get_eeprom_len(dev);
411
412 if (copy_to_user(useraddr, &info, sizeof(info)))
413 return -EFAULT;
414 return 0;
415}
416
f5c445ed 417static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
97f8aefb 418 void __user *useraddr)
723b2f57
JG		 419{
420 struct ethtool_sset_info info;
723b2f57
JG		 421 u64 sset_mask;
422 int i, idx = 0, n_bits = 0, ret, rc;
423 u32 *info_buf = NULL;
424
723b2f57
JG		 425 if (copy_from_user(&info, useraddr, sizeof(info)))
426 return -EFAULT;
427
428 /* store copy of mask, because we zero struct later on */
429 sset_mask = info.sset_mask;
430 if (!sset_mask)
431 return 0;
432
433 /* calculate size of return buffer */
d17792eb 434 n_bits = hweight64(sset_mask);
723b2f57
JG		 435
436 memset(&info, 0, sizeof(info));
437 info.cmd = ETHTOOL_GSSET_INFO;
438
439 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
440 if (!info_buf)
441 return -ENOMEM;
442
443 /*
444 * fill return buffer based on input bitmask and successful
445 * get_sset_count return
446 */
447 for (i = 0; i < 64; i++) {
448 if (!(sset_mask & (1ULL << i)))
449 continue;
450
340ae165 451 rc = __ethtool_get_sset_count(dev, i);
723b2f57
JG		 452 if (rc >= 0) {
453 info.sset_mask |= (1ULL << i);
454 info_buf[idx++] = rc;
455 }
456 }
457
458 ret = -EFAULT;
459 if (copy_to_user(useraddr, &info, sizeof(info)))
460 goto out;
461
462 useraddr += offsetof(struct ethtool_sset_info, data);
463 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
464 goto out;
465
466 ret = 0;
467
468out:
469 kfree(info_buf);
470 return ret;
471}
472
97f8aefb 473static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
bf988435 474 u32 cmd, void __user *useraddr)
0853ad66 475{
bf988435
BH		 476 struct ethtool_rxnfc info;
477 size_t info_size = sizeof(info);
55664f32 478 int rc;
0853ad66 479
59089d8d 480 if (!dev->ethtool_ops->set_rxnfc)
0853ad66
SB		 481 return -EOPNOTSUPP;
482
bf988435
BH		 483 /* struct ethtool_rxnfc was originally defined for
484 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
485 * members. User-space might still be using that
486 * definition. */
487 if (cmd == ETHTOOL_SRXFH)
488 info_size = (offsetof(struct ethtool_rxnfc, data) +
489 sizeof(info.data));
490
491 if (copy_from_user(&info, useraddr, info_size))
0853ad66
SB		 492 return -EFAULT;
493
55664f32
BH		 494 rc = dev->ethtool_ops->set_rxnfc(dev, &info);
495 if (rc)
496 return rc;
497
498 if (cmd == ETHTOOL_SRXCLSRLINS &&
499 copy_to_user(useraddr, &info, info_size))
500 return -EFAULT;
501
502 return 0;
0853ad66
SB		 503}
504
97f8aefb 505static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
bf988435 506 u32 cmd, void __user *useraddr)
0853ad66
SB		 507{
508 struct ethtool_rxnfc info;
bf988435 509 size_t info_size = sizeof(info);
59089d8d
SB		 510 const struct ethtool_ops *ops = dev->ethtool_ops;
511 int ret;
512 void *rule_buf = NULL;
0853ad66 513
59089d8d 514 if (!ops->get_rxnfc)
0853ad66
SB		 515 return -EOPNOTSUPP;
516
bf988435
BH		 517 /* struct ethtool_rxnfc was originally defined for
518 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
519 * members. User-space might still be using that
520 * definition. */
521 if (cmd == ETHTOOL_GRXFH)
522 info_size = (offsetof(struct ethtool_rxnfc, data) +
523 sizeof(info.data));
524
525 if (copy_from_user(&info, useraddr, info_size))
0853ad66
SB		 526 return -EFAULT;
527
59089d8d
SB		 528 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
529 if (info.rule_cnt > 0) {
db048b69 530 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
ae6df5f9 531 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
db048b69 532 GFP_USER);
59089d8d
SB		 533 if (!rule_buf)
534 return -ENOMEM;
535 }
536 }
0853ad66 537
59089d8d
SB		 538 ret = ops->get_rxnfc(dev, &info, rule_buf);
539 if (ret < 0)
540 goto err_out;
541
542 ret = -EFAULT;
bf988435 543 if (copy_to_user(useraddr, &info, info_size))
59089d8d
SB		 544 goto err_out;
545
546 if (rule_buf) {
547 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
548 if (copy_to_user(useraddr, rule_buf,
549 info.rule_cnt * sizeof(u32)))
550 goto err_out;
551 }
552 ret = 0;
553
554err_out:
c9caceca 555 kfree(rule_buf);
59089d8d
SB		 556
557 return ret;
0853ad66
SB		 558}
559
3de0b592
VD		 560static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
561 struct ethtool_rxnfc *rx_rings,
562 u32 size)
563{
564 int ret = 0, i;
565
566 if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
567 ret = -EFAULT;
568
569 /* Validate ring indices */
570 for (i = 0; i < size; i++) {
266a1646 571 if (indir[i] >= rx_rings->data) {
3de0b592 572 ret = -EINVAL;
266a1646
JS		 573 break;
574 }
3de0b592
VD		 575 }
576 return ret;
577}
578
a5b6ee29
BH		 579static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
580 void __user *useraddr)
581{
7850f63f
BH		 582 u32 user_size, dev_size;
583 u32 *indir;
a5b6ee29
BH		 584 int ret;
585
7850f63f
BH		 586 if (!dev->ethtool_ops->get_rxfh_indir_size ||
587 !dev->ethtool_ops->get_rxfh_indir)
588 return -EOPNOTSUPP;
589 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
590 if (dev_size == 0)
a5b6ee29
BH		 591 return -EOPNOTSUPP;
592
7850f63f 593 if (copy_from_user(&user_size,
a5b6ee29 594 useraddr + offsetof(struct ethtool_rxfh_indir, size),
7850f63f 595 sizeof(user_size)))
a5b6ee29
BH		 596 return -EFAULT;
597
7850f63f
BH		 598 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
599 &dev_size, sizeof(dev_size)))
600 return -EFAULT;
601
602 /* If the user buffer size is 0, this is just a query for the
603 * device table size. Otherwise, if it's smaller than the
604 * device table size it's an error.
605 */
606 if (user_size < dev_size)
607 return user_size == 0 ? 0 : -EINVAL;
608
609 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
a5b6ee29
BH		 610 if (!indir)
611 return -ENOMEM;
612
a5b6ee29
BH		 613 ret = dev->ethtool_ops->get_rxfh_indir(dev, indir);
614 if (ret)
615 goto out;
616
7850f63f
BH		 617 if (copy_to_user(useraddr +
618 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
619 indir, dev_size * sizeof(indir[0])))
a5b6ee29
BH		 620 ret = -EFAULT;
621
622out:
623 kfree(indir);
624 return ret;
625}
626
627static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
628 void __user *useraddr)
629{
7850f63f
BH		 630 struct ethtool_rxnfc rx_rings;
631 u32 user_size, dev_size, i;
632 u32 *indir;
c03a14e8 633 const struct ethtool_ops *ops = dev->ethtool_ops;
a5b6ee29 634 int ret;
3de0b592 635 u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
a5b6ee29 636
c03a14e8
JP		 637 if (!ops->get_rxfh_indir_size || !ops->set_rxfh_indir ||
638 !ops->get_rxnfc)
7850f63f 639 return -EOPNOTSUPP;
c03a14e8
JP		 640
641 dev_size = ops->get_rxfh_indir_size(dev);
7850f63f 642 if (dev_size == 0)
a5b6ee29
BH		 643 return -EOPNOTSUPP;
644
7850f63f 645 if (copy_from_user(&user_size,
a5b6ee29 646 useraddr + offsetof(struct ethtool_rxfh_indir, size),
7850f63f 647 sizeof(user_size)))
a5b6ee29
BH		 648 return -EFAULT;
649
278bc429 650 if (user_size != 0 && user_size != dev_size)
7850f63f
BH		 651 return -EINVAL;
652
653 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
a5b6ee29
BH		 654 if (!indir)
655 return -ENOMEM;
656
7850f63f 657 rx_rings.cmd = ETHTOOL_GRXRINGS;
c03a14e8 658 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
7850f63f
BH		 659 if (ret)
660 goto out;
278bc429
BH		 661
662 if (user_size == 0) {
663 for (i = 0; i < dev_size; i++)
664 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
665 } else {
3de0b592
VD		 666 ret = ethtool_copy_validate_indir(indir,
667 useraddr + ringidx_offset,
668 &rx_rings,
669 dev_size);
670 if (ret)
671 goto out;
672 }
673
674 ret = ops->set_rxfh_indir(dev, indir);
675
676out:
677 kfree(indir);
678 return ret;
679}
680
681static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
682 void __user *useraddr)
683{
684 int ret;
685 const struct ethtool_ops *ops = dev->ethtool_ops;
686 u32 user_indir_size = 0, user_key_size = 0;
687 u32 dev_indir_size = 0, dev_key_size = 0;
688 u32 total_size;
689 u32 indir_offset, indir_bytes;
690 u32 key_offset;
691 u32 *indir = NULL;
692 u8 *hkey = NULL;
693 u8 *rss_config;
694
695 if (!(dev->ethtool_ops->get_rxfh_indir_size ||
696 dev->ethtool_ops->get_rxfh_key_size) ||
697 !dev->ethtool_ops->get_rxfh)
698 return -EOPNOTSUPP;
699
700 if (ops->get_rxfh_indir_size)
701 dev_indir_size = ops->get_rxfh_indir_size(dev);
702
703 indir_offset = offsetof(struct ethtool_rxfh, indir_size);
704
705 if (copy_from_user(&user_indir_size,
706 useraddr + indir_offset,
707 sizeof(user_indir_size)))
708 return -EFAULT;
709
710 if (copy_to_user(useraddr + indir_offset,
711 &dev_indir_size, sizeof(dev_indir_size)))
712 return -EFAULT;
713
714 if (ops->get_rxfh_key_size)
715 dev_key_size = ops->get_rxfh_key_size(dev);
716
717 if ((dev_key_size + dev_indir_size) == 0)
718 return -EOPNOTSUPP;
719
720 key_offset = offsetof(struct ethtool_rxfh, key_size);
721
722 if (copy_from_user(&user_key_size,
723 useraddr + key_offset,
724 sizeof(user_key_size)))
725 return -EFAULT;
726
727 if (copy_to_user(useraddr + key_offset,
728 &dev_key_size, sizeof(dev_key_size)))
729 return -EFAULT;
730
731 /* If the user buffer size is 0, this is just a query for the
732 * device table size and key size. Otherwise, if the User size is
733 * not equal to device table size or key size it's an error.
734 */
735 if (!user_indir_size && !user_key_size)
736 return 0;
737
738 if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
739 (user_key_size && (user_key_size != dev_key_size)))
740 return -EINVAL;
741
742 indir_bytes = user_indir_size * sizeof(indir[0]);
743 total_size = indir_bytes + user_key_size;
744 rss_config = kzalloc(total_size, GFP_USER);
745 if (!rss_config)
746 return -ENOMEM;
747
748 if (user_indir_size)
749 indir = (u32 *)rss_config;
750
751 if (user_key_size)
752 hkey = rss_config + indir_bytes;
753
754 ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey);
755 if (!ret) {
756 if (copy_to_user(useraddr +
757 offsetof(struct ethtool_rxfh, rss_config[0]),
758 rss_config, total_size))
278bc429 759 ret = -EFAULT;
3de0b592
VD		 760 }
761
762 kfree(rss_config);
763
764 return ret;
765}
766
767static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
768 void __user *useraddr)
769{
770 int ret;
771 const struct ethtool_ops *ops = dev->ethtool_ops;
772 struct ethtool_rxnfc rx_rings;
773 u32 user_indir_size = 0, dev_indir_size = 0, i;
774 u32 user_key_size = 0, dev_key_size = 0;
775 u32 *indir = NULL, indir_bytes = 0;
776 u8 *hkey = NULL;
777 u8 *rss_config;
778 u32 indir_offset, key_offset;
779 u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
780
781 if (!(ops->get_rxfh_indir_size || ops->get_rxfh_key_size) ||
782 !ops->get_rxnfc || !ops->set_rxfh)
783 return -EOPNOTSUPP;
784
785 if (ops->get_rxfh_indir_size)
786 dev_indir_size = ops->get_rxfh_indir_size(dev);
787
788 indir_offset = offsetof(struct ethtool_rxfh, indir_size);
789 if (copy_from_user(&user_indir_size,
790 useraddr + indir_offset,
791 sizeof(user_indir_size)))
792 return -EFAULT;
793
794 if (ops->get_rxfh_key_size)
795 dev_key_size = dev->ethtool_ops->get_rxfh_key_size(dev);
796
797 if ((dev_key_size + dev_indir_size) == 0)
798 return -EOPNOTSUPP;
799
800 key_offset = offsetof(struct ethtool_rxfh, key_size);
801 if (copy_from_user(&user_key_size,
802 useraddr + key_offset,
803 sizeof(user_key_size)))
804 return -EFAULT;
805
806 /* If either indir or hash key is valid, proceed further.
807 */
808 if ((user_indir_size && ((user_indir_size != 0xDEADBEEF) &&
809 user_indir_size != dev_indir_size)) ||
810 (user_key_size && (user_key_size != dev_key_size)))
811 return -EINVAL;
812
813 if (user_indir_size != 0xDEADBEEF)
814 indir_bytes = dev_indir_size * sizeof(indir[0]);
815
816 rss_config = kzalloc(indir_bytes + user_key_size, GFP_USER);
817 if (!rss_config)
818 return -ENOMEM;
819
820 rx_rings.cmd = ETHTOOL_GRXRINGS;
821 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
822 if (ret)
823 goto out;
824
825 /* user_indir_size == 0 means reset the indir table to default.
826 * user_indir_size == 0xDEADBEEF means indir setting is not requested.
827 */
828 if (user_indir_size && user_indir_size != 0xDEADBEEF) {
829 indir = (u32 *)rss_config;
830 ret = ethtool_copy_validate_indir(indir,
831 useraddr + rss_cfg_offset,
832 &rx_rings,
833 user_indir_size);
834 if (ret)
7850f63f 835 goto out;
3de0b592
VD		 836 } else if (user_indir_size == 0) {
837 indir = (u32 *)rss_config;
838 for (i = 0; i < dev_indir_size; i++)
839 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
840 }
278bc429 841
3de0b592
VD		 842 if (user_key_size) {
843 hkey = rss_config + indir_bytes;
844 if (copy_from_user(hkey,
845 useraddr + rss_cfg_offset + indir_bytes,
846 user_key_size)) {
847 ret = -EFAULT;
848 goto out;
278bc429 849 }
7850f63f
BH		 850 }
851
3de0b592 852 ret = ops->set_rxfh(dev, indir, hkey);
a5b6ee29
BH		 853
854out:
3de0b592 855 kfree(rss_config);
a5b6ee29
BH		 856 return ret;
857}
858
1da177e4
LT		 859static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
860{
861 struct ethtool_regs regs;
76fd8593 862 const struct ethtool_ops *ops = dev->ethtool_ops;
1da177e4
LT		 863 void *regbuf;
864 int reglen, ret;
865
866 if (!ops->get_regs || !ops->get_regs_len)
867 return -EOPNOTSUPP;
868
869 if (copy_from_user(&regs, useraddr, sizeof(regs)))
870 return -EFAULT;
871
872 reglen = ops->get_regs_len(dev);
873 if (regs.len > reglen)
874 regs.len = reglen;
875
b7c7d01a 876 regbuf = vzalloc(reglen);
67ae7cf1 877 if (reglen && !regbuf)
1da177e4
LT		 878 return -ENOMEM;
879
880 ops->get_regs(dev, &regs, regbuf);
881
882 ret = -EFAULT;
883 if (copy_to_user(useraddr, &regs, sizeof(regs)))
884 goto out;
885 useraddr += offsetof(struct ethtool_regs, data);
67ae7cf1 886 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
1da177e4
LT		 887 goto out;
888 ret = 0;
889
890 out:
a77f5db3 891 vfree(regbuf);
1da177e4
LT		 892 return ret;
893}
894
d73d3a8c
BH		 895static int ethtool_reset(struct net_device *dev, char __user *useraddr)
896{
897 struct ethtool_value reset;
898 int ret;
899
900 if (!dev->ethtool_ops->reset)
901 return -EOPNOTSUPP;
902
903 if (copy_from_user(&reset, useraddr, sizeof(reset)))
904 return -EFAULT;
905
906 ret = dev->ethtool_ops->reset(dev, &reset.data);
907 if (ret)
908 return ret;
909
910 if (copy_to_user(useraddr, &reset, sizeof(reset)))
911 return -EFAULT;
912 return 0;
913}
914
1da177e4
LT		 915static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
916{
8e557421 917 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
1da177e4
LT		 918
919 if (!dev->ethtool_ops->get_wol)
920 return -EOPNOTSUPP;
921
922 dev->ethtool_ops->get_wol(dev, &wol);
923
924 if (copy_to_user(useraddr, &wol, sizeof(wol)))
925 return -EFAULT;
926 return 0;
927}
928
929static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
930{
931 struct ethtool_wolinfo wol;
932
933 if (!dev->ethtool_ops->set_wol)
934 return -EOPNOTSUPP;
935
936 if (copy_from_user(&wol, useraddr, sizeof(wol)))
937 return -EFAULT;
938
939 return dev->ethtool_ops->set_wol(dev, &wol);
940}
941
80f12ecc
YM		 942static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
943{
944 struct ethtool_eee edata;
945 int rc;
946
947 if (!dev->ethtool_ops->get_eee)
948 return -EOPNOTSUPP;
949
950 memset(&edata, 0, sizeof(struct ethtool_eee));
951 edata.cmd = ETHTOOL_GEEE;
952 rc = dev->ethtool_ops->get_eee(dev, &edata);
953
954 if (rc)
955 return rc;
956
957 if (copy_to_user(useraddr, &edata, sizeof(edata)))
958 return -EFAULT;
959
960 return 0;
961}
962
963static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
964{
965 struct ethtool_eee edata;
966
967 if (!dev->ethtool_ops->set_eee)
968 return -EOPNOTSUPP;
969
970 if (copy_from_user(&edata, useraddr, sizeof(edata)))
971 return -EFAULT;
972
973 return dev->ethtool_ops->set_eee(dev, &edata);
974}
975
1da177e4
LT		 976static int ethtool_nway_reset(struct net_device *dev)
977{
978 if (!dev->ethtool_ops->nway_reset)
979 return -EOPNOTSUPP;
980
981 return dev->ethtool_ops->nway_reset(dev);
982}
983
e596e6e4
BH		 984static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
985{
986 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
987
988 if (!dev->ethtool_ops->get_link)
989 return -EOPNOTSUPP;
990
991 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
992
993 if (copy_to_user(useraddr, &edata, sizeof(edata)))
994 return -EFAULT;
995 return 0;
996}
997
081d094e
BH		 998static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
999 int (*getter)(struct net_device *,
1000 struct ethtool_eeprom *, u8 *),
1001 u32 total_len)
1da177e4
LT		 1002{
1003 struct ethtool_eeprom eeprom;
b131dd5d
MSB		 1004 void __user *userbuf = useraddr + sizeof(eeprom);
1005 u32 bytes_remaining;
1da177e4 1006 u8 *data;
b131dd5d 1007 int ret = 0;
1da177e4 1008
1da177e4
LT		 1009 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1010 return -EFAULT;
1011
1012 /* Check for wrap and zero */
1013 if (eeprom.offset + eeprom.len <= eeprom.offset)
1014 return -EINVAL;
1015
1016 /* Check for exceeding total eeprom len */
081d094e 1017 if (eeprom.offset + eeprom.len > total_len)
1da177e4
LT		 1018 return -EINVAL;
1019
b131dd5d 1020 data = kmalloc(PAGE_SIZE, GFP_USER);
1da177e4
LT		 1021 if (!data)
1022 return -ENOMEM;
1023
b131dd5d
MSB		 1024 bytes_remaining = eeprom.len;
1025 while (bytes_remaining > 0) {
1026 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1027
081d094e 1028 ret = getter(dev, &eeprom, data);
b131dd5d
MSB		 1029 if (ret)
1030 break;
1031 if (copy_to_user(userbuf, data, eeprom.len)) {
1032 ret = -EFAULT;
1033 break;
1034 }
1035 userbuf += eeprom.len;
1036 eeprom.offset += eeprom.len;
1037 bytes_remaining -= eeprom.len;
1038 }
1da177e4 1039
c5835df9
MSB		 1040 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1041 eeprom.offset -= eeprom.len;
1042 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1043 ret = -EFAULT;
1044
1da177e4
LT		 1045 kfree(data);
1046 return ret;
1047}
1048
081d094e
BH		 1049static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1050{
1051 const struct ethtool_ops *ops = dev->ethtool_ops;
1052
1053 if (!ops->get_eeprom || !ops->get_eeprom_len)
1054 return -EOPNOTSUPP;
1055
1056 return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom,
1057 ops->get_eeprom_len(dev));
1058}
1059
1da177e4
LT		 1060static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1061{
1062 struct ethtool_eeprom eeprom;
76fd8593 1063 const struct ethtool_ops *ops = dev->ethtool_ops;
b131dd5d
MSB		 1064 void __user *userbuf = useraddr + sizeof(eeprom);
1065 u32 bytes_remaining;
1da177e4 1066 u8 *data;
b131dd5d 1067 int ret = 0;
1da177e4
LT		 1068
1069 if (!ops->set_eeprom || !ops->get_eeprom_len)
1070 return -EOPNOTSUPP;
1071
1072 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1073 return -EFAULT;
1074
1075 /* Check for wrap and zero */
1076 if (eeprom.offset + eeprom.len <= eeprom.offset)
1077 return -EINVAL;
1078
1079 /* Check for exceeding total eeprom len */
1080 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1081 return -EINVAL;
1082
b131dd5d 1083 data = kmalloc(PAGE_SIZE, GFP_USER);
1da177e4
LT		 1084 if (!data)
1085 return -ENOMEM;
1086
b131dd5d
MSB		 1087 bytes_remaining = eeprom.len;
1088 while (bytes_remaining > 0) {
1089 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1090
1091 if (copy_from_user(data, userbuf, eeprom.len)) {
1092 ret = -EFAULT;
1093 break;
1094 }
1095 ret = ops->set_eeprom(dev, &eeprom, data);
1096 if (ret)
1097 break;
1098 userbuf += eeprom.len;
1099 eeprom.offset += eeprom.len;
1100 bytes_remaining -= eeprom.len;
1101 }
1da177e4 1102
1da177e4
LT		 1103 kfree(data);
1104 return ret;
1105}
1106
97f8aefb 1107static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1108 void __user *useraddr)
1da177e4 1109{
8e557421 1110 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1da177e4
LT		 1111
1112 if (!dev->ethtool_ops->get_coalesce)
1113 return -EOPNOTSUPP;
1114
1115 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1116
1117 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1118 return -EFAULT;
1119 return 0;
1120}
1121
97f8aefb 1122static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1123 void __user *useraddr)
1da177e4
LT		 1124{
1125 struct ethtool_coalesce coalesce;
1126
fa04ae5c 1127 if (!dev->ethtool_ops->set_coalesce)
1da177e4
LT		 1128 return -EOPNOTSUPP;
1129
1130 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1131 return -EFAULT;
1132
1133 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1134}
1135
1136static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1137{
8e557421 1138 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1da177e4
LT		 1139
1140 if (!dev->ethtool_ops->get_ringparam)
1141 return -EOPNOTSUPP;
1142
1143 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1144
1145 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1146 return -EFAULT;
1147 return 0;
1148}
1149
1150static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1151{
1152 struct ethtool_ringparam ringparam;
1153
1154 if (!dev->ethtool_ops->set_ringparam)
1155 return -EOPNOTSUPP;
1156
1157 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1158 return -EFAULT;
1159
1160 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1161}
1162
8b5933c3 1163static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1164 void __user *useraddr)
1165{
1166 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1167
1168 if (!dev->ethtool_ops->get_channels)
1169 return -EOPNOTSUPP;
1170
1171 dev->ethtool_ops->get_channels(dev, &channels);
1172
1173 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1174 return -EFAULT;
1175 return 0;
1176}
1177
1178static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1179 void __user *useraddr)
1180{
1181 struct ethtool_channels channels;
1182
1183 if (!dev->ethtool_ops->set_channels)
1184 return -EOPNOTSUPP;
1185
1186 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1187 return -EFAULT;
1188
1189 return dev->ethtool_ops->set_channels(dev, &channels);
1190}
1191
1da177e4
LT		 1192static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1193{
1194 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1195
1196 if (!dev->ethtool_ops->get_pauseparam)
1197 return -EOPNOTSUPP;
1198
1199 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1200
1201 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1202 return -EFAULT;
1203 return 0;
1204}
1205
1206static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1207{
1208 struct ethtool_pauseparam pauseparam;
1209
e1b90c41 1210 if (!dev->ethtool_ops->set_pauseparam)
1da177e4
LT		 1211 return -EOPNOTSUPP;
1212
1213 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1214 return -EFAULT;
1215
1216 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1217}
1218
1da177e4
LT		 1219static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1220{
1221 struct ethtool_test test;
76fd8593 1222 const struct ethtool_ops *ops = dev->ethtool_ops;
1da177e4 1223 u64 *data;
ff03d49f 1224 int ret, test_len;
1da177e4 1225
a9828ec6 1226 if (!ops->self_test || !ops->get_sset_count)
1da177e4
LT		 1227 return -EOPNOTSUPP;
1228
a9828ec6 1229 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
ff03d49f
JG		 1230 if (test_len < 0)
1231 return test_len;
1232 WARN_ON(test_len == 0);
1233
1da177e4
LT		 1234 if (copy_from_user(&test, useraddr, sizeof(test)))
1235 return -EFAULT;
1236
ff03d49f
JG		 1237 test.len = test_len;
1238 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1da177e4
LT		 1239 if (!data)
1240 return -ENOMEM;
1241
1242 ops->self_test(dev, &test, data);
1243
1244 ret = -EFAULT;
1245 if (copy_to_user(useraddr, &test, sizeof(test)))
1246 goto out;
1247 useraddr += sizeof(test);
1248 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1249 goto out;
1250 ret = 0;
1251
1252 out:
1253 kfree(data);
1254 return ret;
1255}
1256
1257static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1258{
1259 struct ethtool_gstrings gstrings;
1da177e4
LT		 1260 u8 *data;
1261 int ret;
1262
1da177e4
LT		 1263 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1264 return -EFAULT;
1265
340ae165 1266 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
a9828ec6
BH		 1267 if (ret < 0)
1268 return ret;
1269
1270 gstrings.len = ret;
1da177e4
LT		 1271
1272 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
1273 if (!data)
1274 return -ENOMEM;
1275
340ae165 1276 __ethtool_get_strings(dev, gstrings.string_set, data);
1da177e4
LT		 1277
1278 ret = -EFAULT;
1279 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1280 goto out;
1281 useraddr += sizeof(gstrings);
1282 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1283 goto out;
1284 ret = 0;
1285
340ae165 1286out:
1da177e4
LT		 1287 kfree(data);
1288 return ret;
1289}
1290
1291static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1292{
1293 struct ethtool_value id;
68f512f2 1294 static bool busy;
c03a14e8 1295 const struct ethtool_ops *ops = dev->ethtool_ops;
68f512f2 1296 int rc;
1da177e4 1297
c03a14e8 1298 if (!ops->set_phys_id)
1da177e4
LT		 1299 return -EOPNOTSUPP;
1300
68f512f2
BH		 1301 if (busy)
1302 return -EBUSY;
1303
1da177e4
LT		 1304 if (copy_from_user(&id, useraddr, sizeof(id)))
1305 return -EFAULT;
1306
c03a14e8 1307 rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
fce55922 1308 if (rc < 0)
68f512f2
BH		 1309 return rc;
1310
1311 /* Drop the RTNL lock while waiting, but prevent reentry or
1312 * removal of the device.
1313 */
1314 busy = true;
1315 dev_hold(dev);
1316 rtnl_unlock();
1317
1318 if (rc == 0) {
1319 /* Driver will handle this itself */
1320 schedule_timeout_interruptible(
143780c6 1321 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
68f512f2 1322 } else {
fce55922
AB		 1323 /* Driver expects to be called at twice the frequency in rc */
1324 int n = rc * 2, i, interval = HZ / n;
1325
1326 /* Count down seconds */
68f512f2 1327 do {
fce55922
AB		 1328 /* Count down iterations per second */
1329 i = n;
1330 do {
1331 rtnl_lock();
c03a14e8 1332 rc = ops->set_phys_id(dev,
fce55922
AB		 1333 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1334 rtnl_unlock();
1335 if (rc)
1336 break;
1337 schedule_timeout_interruptible(interval);
1338 } while (!signal_pending(current) && --i != 0);
68f512f2
BH		 1339 } while (!signal_pending(current) &&
1340 (id.data == 0 || --id.data != 0));
1341 }
1342
1343 rtnl_lock();
1344 dev_put(dev);
1345 busy = false;
1346
c03a14e8 1347 (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
68f512f2 1348 return rc;
1da177e4
LT		 1349}
1350
1351static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1352{
1353 struct ethtool_stats stats;
76fd8593 1354 const struct ethtool_ops *ops = dev->ethtool_ops;
1da177e4 1355 u64 *data;
ff03d49f 1356 int ret, n_stats;
1da177e4 1357
a9828ec6 1358 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1da177e4
LT		 1359 return -EOPNOTSUPP;
1360
a9828ec6 1361 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
ff03d49f
JG		 1362 if (n_stats < 0)
1363 return n_stats;
1364 WARN_ON(n_stats == 0);
1365
1da177e4
LT		 1366 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1367 return -EFAULT;
1368
ff03d49f
JG		 1369 stats.n_stats = n_stats;
1370 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1da177e4
LT		 1371 if (!data)
1372 return -ENOMEM;
1373
1374 ops->get_ethtool_stats(dev, &stats, data);
1375
1376 ret = -EFAULT;
1377 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1378 goto out;
1379 useraddr += sizeof(stats);
1380 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1381 goto out;
1382 ret = 0;
1383
1384 out:
1385 kfree(data);
1386 return ret;
1387}
1388
0bf0519d 1389static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
a6f9a705
JW		 1390{
1391 struct ethtool_perm_addr epaddr;
a6f9a705 1392
313674af 1393 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
a6f9a705
JW		 1394 return -EFAULT;
1395
313674af
MW		 1396 if (epaddr.size < dev->addr_len)
1397 return -ETOOSMALL;
1398 epaddr.size = dev->addr_len;
a6f9a705 1399
a6f9a705 1400 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
313674af 1401 return -EFAULT;
a6f9a705 1402 useraddr += sizeof(epaddr);
313674af
MW		 1403 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1404 return -EFAULT;
1405 return 0;
a6f9a705
JW		 1406}
1407
13c99b24
JG		 1408static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1409 u32 cmd, u32 (*actor)(struct net_device *))
3ae7c0b2 1410{
8e557421 1411 struct ethtool_value edata = { .cmd = cmd };
3ae7c0b2 1412
13c99b24 1413 if (!actor)
3ae7c0b2
JG		 1414 return -EOPNOTSUPP;
1415
13c99b24 1416 edata.data = actor(dev);
3ae7c0b2
JG		 1417
1418 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1419 return -EFAULT;
1420 return 0;
1421}
1422
13c99b24
JG		 1423static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1424 void (*actor)(struct net_device *, u32))
3ae7c0b2
JG		 1425{
1426 struct ethtool_value edata;
1427
13c99b24 1428 if (!actor)
3ae7c0b2
JG		 1429 return -EOPNOTSUPP;
1430
1431 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1432 return -EFAULT;
1433
13c99b24 1434 actor(dev, edata.data);
339bf024
JG		 1435 return 0;
1436}
1437
13c99b24
JG		 1438static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1439 int (*actor)(struct net_device *, u32))
339bf024
JG		 1440{
1441 struct ethtool_value edata;
1442
13c99b24 1443 if (!actor)
339bf024
JG		 1444 return -EOPNOTSUPP;
1445
1446 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1447 return -EFAULT;
1448
13c99b24 1449 return actor(dev, edata.data);
339bf024
JG		 1450}
1451
97f8aefb 1452static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1453 char __user *useraddr)
05c6a8d7
AK		 1454{
1455 struct ethtool_flash efl;
1456
1457 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1458 return -EFAULT;
1459
1460 if (!dev->ethtool_ops->flash_device)
1461 return -EOPNOTSUPP;
1462
786f5281
BH		 1463 efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
1464
05c6a8d7
AK		 1465 return dev->ethtool_ops->flash_device(dev, &efl);
1466}
1467
29dd54b7
AC		 1468static int ethtool_set_dump(struct net_device *dev,
1469 void __user *useraddr)
1470{
1471 struct ethtool_dump dump;
1472
1473 if (!dev->ethtool_ops->set_dump)
1474 return -EOPNOTSUPP;
1475
1476 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1477 return -EFAULT;
1478
1479 return dev->ethtool_ops->set_dump(dev, &dump);
1480}
1481
1482static int ethtool_get_dump_flag(struct net_device *dev,
1483 void __user *useraddr)
1484{
1485 int ret;
1486 struct ethtool_dump dump;
1487 const struct ethtool_ops *ops = dev->ethtool_ops;
1488
c03a14e8 1489 if (!ops->get_dump_flag)
29dd54b7
AC		 1490 return -EOPNOTSUPP;
1491
1492 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1493 return -EFAULT;
1494
1495 ret = ops->get_dump_flag(dev, &dump);
1496 if (ret)
1497 return ret;
1498
1499 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1500 return -EFAULT;
1501 return 0;
1502}
1503
1504static int ethtool_get_dump_data(struct net_device *dev,
1505 void __user *useraddr)
1506{
1507 int ret;
1508 __u32 len;
1509 struct ethtool_dump dump, tmp;
1510 const struct ethtool_ops *ops = dev->ethtool_ops;
1511 void *data = NULL;
1512
c03a14e8 1513 if (!ops->get_dump_data || !ops->get_dump_flag)
29dd54b7
AC		 1514 return -EOPNOTSUPP;
1515
1516 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1517 return -EFAULT;
1518
1519 memset(&tmp, 0, sizeof(tmp));
1520 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1521 ret = ops->get_dump_flag(dev, &tmp);
1522 if (ret)
1523 return ret;
1524
c590b5e2 1525 len = min(tmp.len, dump.len);
29dd54b7
AC		 1526 if (!len)
1527 return -EFAULT;
1528
c590b5e2
MS		 1529 /* Don't ever let the driver think there's more space available
1530 * than it requested with .get_dump_flag().
1531 */
1532 dump.len = len;
1533
1534 /* Always allocate enough space to hold the whole thing so that the
1535 * driver does not need to check the length and bother with partial
1536 * dumping.
1537 */
29dd54b7
AC		 1538 data = vzalloc(tmp.len);
1539 if (!data)
1540 return -ENOMEM;
1541 ret = ops->get_dump_data(dev, &dump, data);
1542 if (ret)
1543 goto out;
1544
c590b5e2
MS		 1545 /* There are two sane possibilities:
1546 * 1. The driver's .get_dump_data() does not touch dump.len.
1547 * 2. Or it may set dump.len to how much it really writes, which
1548 * should be tmp.len (or len if it can do a partial dump).
1549 * In any case respond to userspace with the actual length of data
1550 * it's receiving.
1551 */
1552 WARN_ON(dump.len != len && dump.len != tmp.len);
1553 dump.len = len;
1554
29dd54b7
AC		 1555 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1556 ret = -EFAULT;
1557 goto out;
1558 }
1559 useraddr += offsetof(struct ethtool_dump, data);
1560 if (copy_to_user(useraddr, data, len))
1561 ret = -EFAULT;
1562out:
1563 vfree(data);
1564 return ret;
1565}
1566
c8f3a8c3
RC		 1567static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
1568{
1569 int err = 0;
1570 struct ethtool_ts_info info;
1571 const struct ethtool_ops *ops = dev->ethtool_ops;
1572 struct phy_device *phydev = dev->phydev;
1573
1574 memset(&info, 0, sizeof(info));
1575 info.cmd = ETHTOOL_GET_TS_INFO;
1576
1577 if (phydev && phydev->drv && phydev->drv->ts_info) {
c8f3a8c3 1578 err = phydev->drv->ts_info(phydev, &info);
c03a14e8 1579 } else if (ops->get_ts_info) {
c8f3a8c3 1580 err = ops->get_ts_info(dev, &info);
c8f3a8c3
RC		 1581 } else {
1582 info.so_timestamping =
1583 SOF_TIMESTAMPING_RX_SOFTWARE |
1584 SOF_TIMESTAMPING_SOFTWARE;
1585 info.phc_index = -1;
1586 }
1587
1588 if (err)
1589 return err;
1590
1591 if (copy_to_user(useraddr, &info, sizeof(info)))
1592 err = -EFAULT;
1593
1594 return err;
1595}
1596
41c3cb6d
SH		 1597static int ethtool_get_module_info(struct net_device *dev,
1598 void __user *useraddr)
1599{
1600 int ret;
1601 struct ethtool_modinfo modinfo;
1602 const struct ethtool_ops *ops = dev->ethtool_ops;
1603
1604 if (!ops->get_module_info)
1605 return -EOPNOTSUPP;
1606
1607 if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
1608 return -EFAULT;
1609
1610 ret = ops->get_module_info(dev, &modinfo);
1611 if (ret)
1612 return ret;
1613
1614 if (copy_to_user(useraddr, &modinfo, sizeof(modinfo)))
1615 return -EFAULT;
1616
1617 return 0;
1618}
1619
1620static int ethtool_get_module_eeprom(struct net_device *dev,
1621 void __user *useraddr)
1622{
1623 int ret;
1624 struct ethtool_modinfo modinfo;
1625 const struct ethtool_ops *ops = dev->ethtool_ops;
1626
1627 if (!ops->get_module_info || !ops->get_module_eeprom)
1628 return -EOPNOTSUPP;
1629
1630 ret = ops->get_module_info(dev, &modinfo);
1631 if (ret)
1632 return ret;
1633
1634 return ethtool_get_any_eeprom(dev, useraddr, ops->get_module_eeprom,
1635 modinfo.eeprom_len);
1636}
1637
600fed5e 1638/* The main entry point in this file. Called from net/core/dev_ioctl.c */
1da177e4 1639
881d966b 1640int dev_ethtool(struct net *net, struct ifreq *ifr)
1da177e4 1641{
881d966b 1642 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1da177e4
LT		 1643 void __user *useraddr = ifr->ifr_data;
1644 u32 ethcmd;
1645 int rc;
b29d3145 1646 netdev_features_t old_features;
1da177e4 1647
1da177e4
LT		 1648 if (!dev || !netif_device_present(dev))
1649 return -ENODEV;
1650
97f8aefb 1651 if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
1da177e4
LT		 1652 return -EFAULT;
1653
75f3123c 1654 /* Allow some commands to be done by anyone */
97f8aefb 1655 switch (ethcmd) {
0fdc100b 1656 case ETHTOOL_GSET:
75f3123c 1657 case ETHTOOL_GDRVINFO:
75f3123c 1658 case ETHTOOL_GMSGLVL:
2da45db2 1659 case ETHTOOL_GLINK:
75f3123c
SH		 1660 case ETHTOOL_GCOALESCE:
1661 case ETHTOOL_GRINGPARAM:
1662 case ETHTOOL_GPAUSEPARAM:
1663 case ETHTOOL_GRXCSUM:
1664 case ETHTOOL_GTXCSUM:
1665 case ETHTOOL_GSG:
f80400a2 1666 case ETHTOOL_GSSET_INFO:
75f3123c 1667 case ETHTOOL_GSTRINGS:
2da45db2 1668 case ETHTOOL_GSTATS:
75f3123c
SH		 1669 case ETHTOOL_GTSO:
1670 case ETHTOOL_GPERMADDR:
1671 case ETHTOOL_GUFO:
1672 case ETHTOOL_GGSO:
1cab819b 1673 case ETHTOOL_GGRO:
339bf024
JG		 1674 case ETHTOOL_GFLAGS:
1675 case ETHTOOL_GPFLAGS:
0853ad66 1676 case ETHTOOL_GRXFH:
59089d8d
SB		 1677 case ETHTOOL_GRXRINGS:
1678 case ETHTOOL_GRXCLSRLCNT:
1679 case ETHTOOL_GRXCLSRULE:
1680 case ETHTOOL_GRXCLSRLALL:
2da45db2 1681 case ETHTOOL_GRXFHINDIR:
3de0b592 1682 case ETHTOOL_GRSSH:
5455c699 1683 case ETHTOOL_GFEATURES:
2da45db2 1684 case ETHTOOL_GCHANNELS:
c8f3a8c3 1685 case ETHTOOL_GET_TS_INFO:
2da45db2 1686 case ETHTOOL_GEEE:
75f3123c
SH		 1687 break;
1688 default:
5e1fccc0 1689 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
75f3123c
SH		 1690 return -EPERM;
1691 }
1692
97f8aefb 1693 if (dev->ethtool_ops->begin) {
1694 rc = dev->ethtool_ops->begin(dev);
1695 if (rc < 0)
1da177e4 1696 return rc;
97f8aefb 1697 }
d8a33ac4
SH		 1698 old_features = dev->features;
1699
1da177e4
LT		 1700 switch (ethcmd) {
1701 case ETHTOOL_GSET:
1702 rc = ethtool_get_settings(dev, useraddr);
1703 break;
1704 case ETHTOOL_SSET:
1705 rc = ethtool_set_settings(dev, useraddr);
1706 break;
1707 case ETHTOOL_GDRVINFO:
1708 rc = ethtool_get_drvinfo(dev, useraddr);
1da177e4
LT		 1709 break;
1710 case ETHTOOL_GREGS:
1711 rc = ethtool_get_regs(dev, useraddr);
1712 break;
1713 case ETHTOOL_GWOL:
1714 rc = ethtool_get_wol(dev, useraddr);
1715 break;
1716 case ETHTOOL_SWOL:
1717 rc = ethtool_set_wol(dev, useraddr);
1718 break;
1719 case ETHTOOL_GMSGLVL:
13c99b24
JG		 1720 rc = ethtool_get_value(dev, useraddr, ethcmd,
1721 dev->ethtool_ops->get_msglevel);
1da177e4
LT		 1722 break;
1723 case ETHTOOL_SMSGLVL:
13c99b24
JG		 1724 rc = ethtool_set_value_void(dev, useraddr,
1725 dev->ethtool_ops->set_msglevel);
1da177e4 1726 break;
80f12ecc
YM		 1727 case ETHTOOL_GEEE:
1728 rc = ethtool_get_eee(dev, useraddr);
1729 break;
1730 case ETHTOOL_SEEE:
1731 rc = ethtool_set_eee(dev, useraddr);
1732 break;
1da177e4
LT		 1733 case ETHTOOL_NWAY_RST:
1734 rc = ethtool_nway_reset(dev);
1735 break;
1736 case ETHTOOL_GLINK:
e596e6e4 1737 rc = ethtool_get_link(dev, useraddr);
1da177e4
LT		 1738 break;
1739 case ETHTOOL_GEEPROM:
1740 rc = ethtool_get_eeprom(dev, useraddr);
1741 break;
1742 case ETHTOOL_SEEPROM:
1743 rc = ethtool_set_eeprom(dev, useraddr);
1744 break;
1745 case ETHTOOL_GCOALESCE:
1746 rc = ethtool_get_coalesce(dev, useraddr);
1747 break;
1748 case ETHTOOL_SCOALESCE:
1749 rc = ethtool_set_coalesce(dev, useraddr);
1750 break;
1751 case ETHTOOL_GRINGPARAM:
1752 rc = ethtool_get_ringparam(dev, useraddr);
1753 break;
1754 case ETHTOOL_SRINGPARAM:
1755 rc = ethtool_set_ringparam(dev, useraddr);
1756 break;
1757 case ETHTOOL_GPAUSEPARAM:
1758 rc = ethtool_get_pauseparam(dev, useraddr);
1759 break;
1760 case ETHTOOL_SPAUSEPARAM:
1761 rc = ethtool_set_pauseparam(dev, useraddr);
1762 break;
1da177e4
LT		 1763 case ETHTOOL_TEST:
1764 rc = ethtool_self_test(dev, useraddr);
1765 break;
1766 case ETHTOOL_GSTRINGS:
1767 rc = ethtool_get_strings(dev, useraddr);
1768 break;
1769 case ETHTOOL_PHYS_ID:
1770 rc = ethtool_phys_id(dev, useraddr);
1771 break;
1772 case ETHTOOL_GSTATS:
1773 rc = ethtool_get_stats(dev, useraddr);
1774 break;
a6f9a705
JW		 1775 case ETHTOOL_GPERMADDR:
1776 rc = ethtool_get_perm_addr(dev, useraddr);
1777 break;
3ae7c0b2 1778 case ETHTOOL_GFLAGS:
13c99b24 1779 rc = ethtool_get_value(dev, useraddr, ethcmd,
bc5787c6 1780 __ethtool_get_flags);
3ae7c0b2
JG		 1781 break;
1782 case ETHTOOL_SFLAGS:
da8ac86c 1783 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
3ae7c0b2 1784 break;
339bf024 1785 case ETHTOOL_GPFLAGS:
13c99b24
JG		 1786 rc = ethtool_get_value(dev, useraddr, ethcmd,
1787 dev->ethtool_ops->get_priv_flags);
339bf024
JG		 1788 break;
1789 case ETHTOOL_SPFLAGS:
13c99b24
JG		 1790 rc = ethtool_set_value(dev, useraddr,
1791 dev->ethtool_ops->set_priv_flags);
339bf024 1792 break;
0853ad66 1793 case ETHTOOL_GRXFH:
59089d8d
SB		 1794 case ETHTOOL_GRXRINGS:
1795 case ETHTOOL_GRXCLSRLCNT:
1796 case ETHTOOL_GRXCLSRULE:
1797 case ETHTOOL_GRXCLSRLALL:
bf988435 1798 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
0853ad66
SB		 1799 break;
1800 case ETHTOOL_SRXFH:
59089d8d
SB		 1801 case ETHTOOL_SRXCLSRLDEL:
1802 case ETHTOOL_SRXCLSRLINS:
bf988435 1803 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
0853ad66 1804 break;
05c6a8d7
AK		 1805 case ETHTOOL_FLASHDEV:
1806 rc = ethtool_flash_device(dev, useraddr);
1807 break;
d73d3a8c
BH		 1808 case ETHTOOL_RESET:
1809 rc = ethtool_reset(dev, useraddr);
1810 break;
723b2f57
JG		 1811 case ETHTOOL_GSSET_INFO:
1812 rc = ethtool_get_sset_info(dev, useraddr);
1813 break;
a5b6ee29
BH		 1814 case ETHTOOL_GRXFHINDIR:
1815 rc = ethtool_get_rxfh_indir(dev, useraddr);
1816 break;
1817 case ETHTOOL_SRXFHINDIR:
1818 rc = ethtool_set_rxfh_indir(dev, useraddr);
1819 break;
3de0b592
VD		 1820 case ETHTOOL_GRSSH:
1821 rc = ethtool_get_rxfh(dev, useraddr);
1822 break;
1823 case ETHTOOL_SRSSH:
1824 rc = ethtool_set_rxfh(dev, useraddr);
1825 break;
5455c699
MM		 1826 case ETHTOOL_GFEATURES:
1827 rc = ethtool_get_features(dev, useraddr);
1828 break;
1829 case ETHTOOL_SFEATURES:
1830 rc = ethtool_set_features(dev, useraddr);
1831 break;
0a417704 1832 case ETHTOOL_GTXCSUM:
e83d360d 1833 case ETHTOOL_GRXCSUM:
0a417704
MM		 1834 case ETHTOOL_GSG:
1835 case ETHTOOL_GTSO:
1836 case ETHTOOL_GUFO:
1837 case ETHTOOL_GGSO:
1838 case ETHTOOL_GGRO:
1839 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1840 break;
1841 case ETHTOOL_STXCSUM:
e83d360d 1842 case ETHTOOL_SRXCSUM:
0a417704
MM		 1843 case ETHTOOL_SSG:
1844 case ETHTOOL_STSO:
1845 case ETHTOOL_SUFO:
1846 case ETHTOOL_SGSO:
1847 case ETHTOOL_SGRO:
1848 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1849 break;
8b5933c3 1850 case ETHTOOL_GCHANNELS:
1851 rc = ethtool_get_channels(dev, useraddr);
1852 break;
1853 case ETHTOOL_SCHANNELS:
1854 rc = ethtool_set_channels(dev, useraddr);
1855 break;
29dd54b7
AC		 1856 case ETHTOOL_SET_DUMP:
1857 rc = ethtool_set_dump(dev, useraddr);
1858 break;
1859 case ETHTOOL_GET_DUMP_FLAG:
1860 rc = ethtool_get_dump_flag(dev, useraddr);
1861 break;
1862 case ETHTOOL_GET_DUMP_DATA:
1863 rc = ethtool_get_dump_data(dev, useraddr);
1864 break;
c8f3a8c3
RC		 1865 case ETHTOOL_GET_TS_INFO:
1866 rc = ethtool_get_ts_info(dev, useraddr);
1867 break;
41c3cb6d
SH		 1868 case ETHTOOL_GMODULEINFO:
1869 rc = ethtool_get_module_info(dev, useraddr);
1870 break;
1871 case ETHTOOL_GMODULEEEPROM:
1872 rc = ethtool_get_module_eeprom(dev, useraddr);
1873 break;
1da177e4 1874 default:
61a44b9c 1875 rc = -EOPNOTSUPP;
1da177e4 1876 }
4ec93edb 1877
e71a4783 1878 if (dev->ethtool_ops->complete)
1da177e4 1879 dev->ethtool_ops->complete(dev);
d8a33ac4
SH		 1880
1881 if (old_features != dev->features)
1882 netdev_features_change(dev);
1883
1da177e4 1884 return rc;
1da177e4 1885}
Linux kernel - Deliverables
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