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Commit | Line | Data |
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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 | ||
35 | u32 ethtool_op_get_link(struct net_device *dev) | |
36 | { | |
37 | return netif_carrier_ok(dev) ? 1 : 0; | |
38 | } | |
97f8aefb | 39 | EXPORT_SYMBOL(ethtool_op_get_link); |
1da177e4 | 40 | |
02eacbd0 RC |
41 | int 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 | } | |
50 | EXPORT_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 |
56 | static 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", | |
63 | [NETIF_F_HW_VLAN_TX_BIT] = "tx-vlan-hw-insert", | |
64 | ||
65 | [NETIF_F_HW_VLAN_RX_BIT] = "rx-vlan-hw-parse", | |
66 | [NETIF_F_HW_VLAN_FILTER_BIT] = "rx-vlan-filter", | |
67 | [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", | |
68 | [NETIF_F_GSO_BIT] = "tx-generic-segmentation", | |
69 | [NETIF_F_LLTX_BIT] = "tx-lockless", | |
70 | [NETIF_F_NETNS_LOCAL_BIT] = "netns-local", | |
71 | [NETIF_F_GRO_BIT] = "rx-gro", | |
72 | [NETIF_F_LRO_BIT] = "rx-lro", | |
73 | ||
74 | [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", | |
75 | [NETIF_F_UFO_BIT] = "tx-udp-fragmentation", | |
76 | [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", | |
77 | [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", | |
78 | [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", | |
79 | [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", | |
80 | ||
81 | [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", | |
82 | [NETIF_F_SCTP_CSUM_BIT] = "tx-checksum-sctp", | |
83 | [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu", | |
84 | [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", | |
85 | [NETIF_F_RXHASH_BIT] = "rx-hashing", | |
86 | [NETIF_F_RXCSUM_BIT] = "rx-checksum", | |
87 | [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", | |
88 | [NETIF_F_LOOPBACK_BIT] = "loopback", | |
36eabda3 | 89 | [NETIF_F_RXFCS_BIT] = "rx-fcs", |
5e0c03c8 | 90 | [NETIF_F_RXALL_BIT] = "rx-all", |
9d921549 MM |
91 | }; |
92 | ||
5455c699 MM |
93 | static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
94 | { | |
95 | struct ethtool_gfeatures cmd = { | |
96 | .cmd = ETHTOOL_GFEATURES, | |
97 | .size = ETHTOOL_DEV_FEATURE_WORDS, | |
98 | }; | |
475414f6 | 99 | struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
5455c699 MM |
100 | u32 __user *sizeaddr; |
101 | u32 copy_size; | |
475414f6 MM |
102 | int i; |
103 | ||
104 | /* in case feature bits run out again */ | |
09da71b1 | 105 | BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t)); |
475414f6 MM |
106 | |
107 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { | |
09da71b1 MM |
108 | features[i].available = (u32)(dev->hw_features >> (32 * i)); |
109 | features[i].requested = (u32)(dev->wanted_features >> (32 * i)); | |
110 | features[i].active = (u32)(dev->features >> (32 * i)); | |
111 | features[i].never_changed = | |
112 | (u32)(NETIF_F_NEVER_CHANGE >> (32 * i)); | |
475414f6 | 113 | } |
5455c699 MM |
114 | |
115 | sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); | |
116 | if (get_user(copy_size, sizeaddr)) | |
117 | return -EFAULT; | |
118 | ||
119 | if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) | |
120 | copy_size = ETHTOOL_DEV_FEATURE_WORDS; | |
121 | ||
122 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
123 | return -EFAULT; | |
124 | useraddr += sizeof(cmd); | |
125 | if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) | |
126 | return -EFAULT; | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | static int ethtool_set_features(struct net_device *dev, void __user *useraddr) | |
132 | { | |
133 | struct ethtool_sfeatures cmd; | |
134 | struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; | |
475414f6 MM |
135 | netdev_features_t wanted = 0, valid = 0; |
136 | int i, ret = 0; | |
5455c699 MM |
137 | |
138 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
139 | return -EFAULT; | |
140 | useraddr += sizeof(cmd); | |
141 | ||
142 | if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) | |
143 | return -EINVAL; | |
144 | ||
145 | if (copy_from_user(features, useraddr, sizeof(features))) | |
146 | return -EFAULT; | |
147 | ||
475414f6 | 148 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { |
09da71b1 MM |
149 | valid |= (netdev_features_t)features[i].valid << (32 * i); |
150 | wanted |= (netdev_features_t)features[i].requested << (32 * i); | |
475414f6 MM |
151 | } |
152 | ||
153 | if (valid & ~NETIF_F_ETHTOOL_BITS) | |
5455c699 MM |
154 | return -EINVAL; |
155 | ||
475414f6 MM |
156 | if (valid & ~dev->hw_features) { |
157 | valid &= dev->hw_features; | |
5455c699 MM |
158 | ret |= ETHTOOL_F_UNSUPPORTED; |
159 | } | |
160 | ||
475414f6 MM |
161 | dev->wanted_features &= ~valid; |
162 | dev->wanted_features |= wanted & valid; | |
6cb6a27c | 163 | __netdev_update_features(dev); |
5455c699 | 164 | |
475414f6 | 165 | if ((dev->wanted_features ^ dev->features) & valid) |
5455c699 MM |
166 | ret |= ETHTOOL_F_WISH; |
167 | ||
168 | return ret; | |
169 | } | |
170 | ||
340ae165 MM |
171 | static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
172 | { | |
173 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
174 | ||
5455c699 MM |
175 | if (sset == ETH_SS_FEATURES) |
176 | return ARRAY_SIZE(netdev_features_strings); | |
177 | ||
340ae165 MM |
178 | if (ops && ops->get_sset_count && ops->get_strings) |
179 | return ops->get_sset_count(dev, sset); | |
180 | else | |
181 | return -EOPNOTSUPP; | |
182 | } | |
183 | ||
184 | static void __ethtool_get_strings(struct net_device *dev, | |
185 | u32 stringset, u8 *data) | |
186 | { | |
187 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
188 | ||
5455c699 MM |
189 | if (stringset == ETH_SS_FEATURES) |
190 | memcpy(data, netdev_features_strings, | |
191 | sizeof(netdev_features_strings)); | |
192 | else | |
193 | /* ops->get_strings is valid because checked earlier */ | |
194 | ops->get_strings(dev, stringset, data); | |
340ae165 MM |
195 | } |
196 | ||
c8f44aff | 197 | static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) |
0a417704 MM |
198 | { |
199 | /* feature masks of legacy discrete ethtool ops */ | |
200 | ||
201 | switch (eth_cmd) { | |
202 | case ETHTOOL_GTXCSUM: | |
203 | case ETHTOOL_STXCSUM: | |
204 | return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; | |
e83d360d MM |
205 | case ETHTOOL_GRXCSUM: |
206 | case ETHTOOL_SRXCSUM: | |
207 | return NETIF_F_RXCSUM; | |
0a417704 MM |
208 | case ETHTOOL_GSG: |
209 | case ETHTOOL_SSG: | |
210 | return NETIF_F_SG; | |
211 | case ETHTOOL_GTSO: | |
212 | case ETHTOOL_STSO: | |
213 | return NETIF_F_ALL_TSO; | |
214 | case ETHTOOL_GUFO: | |
215 | case ETHTOOL_SUFO: | |
216 | return NETIF_F_UFO; | |
217 | case ETHTOOL_GGSO: | |
218 | case ETHTOOL_SGSO: | |
219 | return NETIF_F_GSO; | |
220 | case ETHTOOL_GGRO: | |
221 | case ETHTOOL_SGRO: | |
222 | return NETIF_F_GRO; | |
223 | default: | |
224 | BUG(); | |
225 | } | |
226 | } | |
227 | ||
0a417704 MM |
228 | static int ethtool_get_one_feature(struct net_device *dev, |
229 | char __user *useraddr, u32 ethcmd) | |
230 | { | |
c8f44aff | 231 | netdev_features_t mask = ethtool_get_feature_mask(ethcmd); |
0a417704 MM |
232 | struct ethtool_value edata = { |
233 | .cmd = ethcmd, | |
86794881 | 234 | .data = !!(dev->features & mask), |
0a417704 | 235 | }; |
0a417704 | 236 | |
0a417704 MM |
237 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
238 | return -EFAULT; | |
239 | return 0; | |
240 | } | |
241 | ||
0a417704 MM |
242 | static int ethtool_set_one_feature(struct net_device *dev, |
243 | void __user *useraddr, u32 ethcmd) | |
244 | { | |
245 | struct ethtool_value edata; | |
c8f44aff | 246 | netdev_features_t mask; |
0a417704 MM |
247 | |
248 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
249 | return -EFAULT; | |
250 | ||
86794881 MM |
251 | mask = ethtool_get_feature_mask(ethcmd); |
252 | mask &= dev->hw_features; | |
bc5787c6 MM |
253 | if (!mask) |
254 | return -EOPNOTSUPP; | |
86794881 | 255 | |
bc5787c6 MM |
256 | if (edata.data) |
257 | dev->wanted_features |= mask; | |
258 | else | |
259 | dev->wanted_features &= ~mask; | |
86794881 | 260 | |
bc5787c6 | 261 | __netdev_update_features(dev); |
86794881 | 262 | |
bc5787c6 MM |
263 | return 0; |
264 | } | |
265 | ||
02b3a552 MM |
266 | #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ |
267 | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) | |
268 | #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_RX | \ | |
269 | NETIF_F_HW_VLAN_TX | NETIF_F_NTUPLE | NETIF_F_RXHASH) | |
bc5787c6 MM |
270 | |
271 | static u32 __ethtool_get_flags(struct net_device *dev) | |
272 | { | |
02b3a552 MM |
273 | u32 flags = 0; |
274 | ||
275 | if (dev->features & NETIF_F_LRO) flags |= ETH_FLAG_LRO; | |
276 | if (dev->features & NETIF_F_HW_VLAN_RX) flags |= ETH_FLAG_RXVLAN; | |
277 | if (dev->features & NETIF_F_HW_VLAN_TX) flags |= ETH_FLAG_TXVLAN; | |
278 | if (dev->features & NETIF_F_NTUPLE) flags |= ETH_FLAG_NTUPLE; | |
279 | if (dev->features & NETIF_F_RXHASH) flags |= ETH_FLAG_RXHASH; | |
280 | ||
281 | return flags; | |
0a417704 MM |
282 | } |
283 | ||
bc5787c6 | 284 | static int __ethtool_set_flags(struct net_device *dev, u32 data) |
da8ac86c | 285 | { |
c8f44aff | 286 | netdev_features_t features = 0, changed; |
da8ac86c | 287 | |
02b3a552 | 288 | if (data & ~ETH_ALL_FLAGS) |
da8ac86c MM |
289 | return -EINVAL; |
290 | ||
02b3a552 MM |
291 | if (data & ETH_FLAG_LRO) features |= NETIF_F_LRO; |
292 | if (data & ETH_FLAG_RXVLAN) features |= NETIF_F_HW_VLAN_RX; | |
293 | if (data & ETH_FLAG_TXVLAN) features |= NETIF_F_HW_VLAN_TX; | |
294 | if (data & ETH_FLAG_NTUPLE) features |= NETIF_F_NTUPLE; | |
295 | if (data & ETH_FLAG_RXHASH) features |= NETIF_F_RXHASH; | |
296 | ||
da8ac86c | 297 | /* allow changing only bits set in hw_features */ |
02b3a552 | 298 | changed = (features ^ dev->features) & ETH_ALL_FEATURES; |
da8ac86c MM |
299 | if (changed & ~dev->hw_features) |
300 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; | |
301 | ||
302 | dev->wanted_features = | |
02b3a552 | 303 | (dev->wanted_features & ~changed) | (features & changed); |
da8ac86c | 304 | |
6cb6a27c | 305 | __netdev_update_features(dev); |
da8ac86c MM |
306 | |
307 | return 0; | |
308 | } | |
309 | ||
4bc71cb9 | 310 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 | 311 | { |
4bc71cb9 | 312 | ASSERT_RTNL(); |
1da177e4 | 313 | |
4bc71cb9 | 314 | if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) |
1da177e4 LT |
315 | return -EOPNOTSUPP; |
316 | ||
4bc71cb9 JP |
317 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
318 | cmd->cmd = ETHTOOL_GSET; | |
319 | return dev->ethtool_ops->get_settings(dev, cmd); | |
320 | } | |
321 | EXPORT_SYMBOL(__ethtool_get_settings); | |
322 | ||
323 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
324 | { | |
325 | int err; | |
326 | struct ethtool_cmd cmd; | |
327 | ||
328 | err = __ethtool_get_settings(dev, &cmd); | |
1da177e4 LT |
329 | if (err < 0) |
330 | return err; | |
331 | ||
332 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
333 | return -EFAULT; | |
334 | return 0; | |
335 | } | |
336 | ||
337 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
338 | { | |
339 | struct ethtool_cmd cmd; | |
340 | ||
341 | if (!dev->ethtool_ops->set_settings) | |
342 | return -EOPNOTSUPP; | |
343 | ||
344 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
345 | return -EFAULT; | |
346 | ||
347 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
348 | } | |
349 | ||
97f8aefb | 350 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
351 | void __user *useraddr) | |
1da177e4 LT |
352 | { |
353 | struct ethtool_drvinfo info; | |
76fd8593 | 354 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 355 | |
1da177e4 LT |
356 | memset(&info, 0, sizeof(info)); |
357 | info.cmd = ETHTOOL_GDRVINFO; | |
01414802 BH |
358 | if (ops && ops->get_drvinfo) { |
359 | ops->get_drvinfo(dev, &info); | |
360 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
361 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
362 | sizeof(info.bus_info)); | |
363 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
364 | sizeof(info.driver)); | |
365 | } else { | |
366 | return -EOPNOTSUPP; | |
367 | } | |
1da177e4 | 368 | |
723b2f57 JG |
369 | /* |
370 | * this method of obtaining string set info is deprecated; | |
d17792eb | 371 | * Use ETHTOOL_GSSET_INFO instead. |
723b2f57 | 372 | */ |
01414802 | 373 | if (ops && ops->get_sset_count) { |
ff03d49f JG |
374 | int rc; |
375 | ||
376 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
377 | if (rc >= 0) | |
378 | info.testinfo_len = rc; | |
379 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
380 | if (rc >= 0) | |
381 | info.n_stats = rc; | |
339bf024 JG |
382 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
383 | if (rc >= 0) | |
384 | info.n_priv_flags = rc; | |
ff03d49f | 385 | } |
01414802 | 386 | if (ops && ops->get_regs_len) |
1da177e4 | 387 | info.regdump_len = ops->get_regs_len(dev); |
01414802 | 388 | if (ops && ops->get_eeprom_len) |
1da177e4 LT |
389 | info.eedump_len = ops->get_eeprom_len(dev); |
390 | ||
391 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
392 | return -EFAULT; | |
393 | return 0; | |
394 | } | |
395 | ||
f5c445ed | 396 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
97f8aefb | 397 | void __user *useraddr) |
723b2f57 JG |
398 | { |
399 | struct ethtool_sset_info info; | |
723b2f57 JG |
400 | u64 sset_mask; |
401 | int i, idx = 0, n_bits = 0, ret, rc; | |
402 | u32 *info_buf = NULL; | |
403 | ||
723b2f57 JG |
404 | if (copy_from_user(&info, useraddr, sizeof(info))) |
405 | return -EFAULT; | |
406 | ||
407 | /* store copy of mask, because we zero struct later on */ | |
408 | sset_mask = info.sset_mask; | |
409 | if (!sset_mask) | |
410 | return 0; | |
411 | ||
412 | /* calculate size of return buffer */ | |
d17792eb | 413 | n_bits = hweight64(sset_mask); |
723b2f57 JG |
414 | |
415 | memset(&info, 0, sizeof(info)); | |
416 | info.cmd = ETHTOOL_GSSET_INFO; | |
417 | ||
418 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
419 | if (!info_buf) | |
420 | return -ENOMEM; | |
421 | ||
422 | /* | |
423 | * fill return buffer based on input bitmask and successful | |
424 | * get_sset_count return | |
425 | */ | |
426 | for (i = 0; i < 64; i++) { | |
427 | if (!(sset_mask & (1ULL << i))) | |
428 | continue; | |
429 | ||
340ae165 | 430 | rc = __ethtool_get_sset_count(dev, i); |
723b2f57 JG |
431 | if (rc >= 0) { |
432 | info.sset_mask |= (1ULL << i); | |
433 | info_buf[idx++] = rc; | |
434 | } | |
435 | } | |
436 | ||
437 | ret = -EFAULT; | |
438 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
439 | goto out; | |
440 | ||
441 | useraddr += offsetof(struct ethtool_sset_info, data); | |
442 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
443 | goto out; | |
444 | ||
445 | ret = 0; | |
446 | ||
447 | out: | |
448 | kfree(info_buf); | |
449 | return ret; | |
450 | } | |
451 | ||
97f8aefb | 452 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
bf988435 | 453 | u32 cmd, void __user *useraddr) |
0853ad66 | 454 | { |
bf988435 BH |
455 | struct ethtool_rxnfc info; |
456 | size_t info_size = sizeof(info); | |
55664f32 | 457 | int rc; |
0853ad66 | 458 | |
59089d8d | 459 | if (!dev->ethtool_ops->set_rxnfc) |
0853ad66 SB |
460 | return -EOPNOTSUPP; |
461 | ||
bf988435 BH |
462 | /* struct ethtool_rxnfc was originally defined for |
463 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
464 | * members. User-space might still be using that | |
465 | * definition. */ | |
466 | if (cmd == ETHTOOL_SRXFH) | |
467 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
468 | sizeof(info.data)); | |
469 | ||
470 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
471 | return -EFAULT; |
472 | ||
55664f32 BH |
473 | rc = dev->ethtool_ops->set_rxnfc(dev, &info); |
474 | if (rc) | |
475 | return rc; | |
476 | ||
477 | if (cmd == ETHTOOL_SRXCLSRLINS && | |
478 | copy_to_user(useraddr, &info, info_size)) | |
479 | return -EFAULT; | |
480 | ||
481 | return 0; | |
0853ad66 SB |
482 | } |
483 | ||
97f8aefb | 484 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
bf988435 | 485 | u32 cmd, void __user *useraddr) |
0853ad66 SB |
486 | { |
487 | struct ethtool_rxnfc info; | |
bf988435 | 488 | size_t info_size = sizeof(info); |
59089d8d SB |
489 | const struct ethtool_ops *ops = dev->ethtool_ops; |
490 | int ret; | |
491 | void *rule_buf = NULL; | |
0853ad66 | 492 | |
59089d8d | 493 | if (!ops->get_rxnfc) |
0853ad66 SB |
494 | return -EOPNOTSUPP; |
495 | ||
bf988435 BH |
496 | /* struct ethtool_rxnfc was originally defined for |
497 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
498 | * members. User-space might still be using that | |
499 | * definition. */ | |
500 | if (cmd == ETHTOOL_GRXFH) | |
501 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
502 | sizeof(info.data)); | |
503 | ||
504 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
505 | return -EFAULT; |
506 | ||
59089d8d SB |
507 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
508 | if (info.rule_cnt > 0) { | |
db048b69 | 509 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
ae6df5f9 | 510 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
db048b69 | 511 | GFP_USER); |
59089d8d SB |
512 | if (!rule_buf) |
513 | return -ENOMEM; | |
514 | } | |
515 | } | |
0853ad66 | 516 | |
59089d8d SB |
517 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
518 | if (ret < 0) | |
519 | goto err_out; | |
520 | ||
521 | ret = -EFAULT; | |
bf988435 | 522 | if (copy_to_user(useraddr, &info, info_size)) |
59089d8d SB |
523 | goto err_out; |
524 | ||
525 | if (rule_buf) { | |
526 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
527 | if (copy_to_user(useraddr, rule_buf, | |
528 | info.rule_cnt * sizeof(u32))) | |
529 | goto err_out; | |
530 | } | |
531 | ret = 0; | |
532 | ||
533 | err_out: | |
c9caceca | 534 | kfree(rule_buf); |
59089d8d SB |
535 | |
536 | return ret; | |
0853ad66 SB |
537 | } |
538 | ||
a5b6ee29 BH |
539 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
540 | void __user *useraddr) | |
541 | { | |
7850f63f BH |
542 | u32 user_size, dev_size; |
543 | u32 *indir; | |
a5b6ee29 BH |
544 | int ret; |
545 | ||
7850f63f BH |
546 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
547 | !dev->ethtool_ops->get_rxfh_indir) | |
548 | return -EOPNOTSUPP; | |
549 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
550 | if (dev_size == 0) | |
a5b6ee29 BH |
551 | return -EOPNOTSUPP; |
552 | ||
7850f63f | 553 | if (copy_from_user(&user_size, |
a5b6ee29 | 554 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 555 | sizeof(user_size))) |
a5b6ee29 BH |
556 | return -EFAULT; |
557 | ||
7850f63f BH |
558 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size), |
559 | &dev_size, sizeof(dev_size))) | |
560 | return -EFAULT; | |
561 | ||
562 | /* If the user buffer size is 0, this is just a query for the | |
563 | * device table size. Otherwise, if it's smaller than the | |
564 | * device table size it's an error. | |
565 | */ | |
566 | if (user_size < dev_size) | |
567 | return user_size == 0 ? 0 : -EINVAL; | |
568 | ||
569 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
570 | if (!indir) |
571 | return -ENOMEM; | |
572 | ||
a5b6ee29 BH |
573 | ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); |
574 | if (ret) | |
575 | goto out; | |
576 | ||
7850f63f BH |
577 | if (copy_to_user(useraddr + |
578 | offsetof(struct ethtool_rxfh_indir, ring_index[0]), | |
579 | indir, dev_size * sizeof(indir[0]))) | |
a5b6ee29 BH |
580 | ret = -EFAULT; |
581 | ||
582 | out: | |
583 | kfree(indir); | |
584 | return ret; | |
585 | } | |
586 | ||
587 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
588 | void __user *useraddr) | |
589 | { | |
7850f63f BH |
590 | struct ethtool_rxnfc rx_rings; |
591 | u32 user_size, dev_size, i; | |
592 | u32 *indir; | |
a5b6ee29 BH |
593 | int ret; |
594 | ||
7850f63f BH |
595 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
596 | !dev->ethtool_ops->set_rxfh_indir || | |
597 | !dev->ethtool_ops->get_rxnfc) | |
598 | return -EOPNOTSUPP; | |
599 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
600 | if (dev_size == 0) | |
a5b6ee29 BH |
601 | return -EOPNOTSUPP; |
602 | ||
7850f63f | 603 | if (copy_from_user(&user_size, |
a5b6ee29 | 604 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 605 | sizeof(user_size))) |
a5b6ee29 BH |
606 | return -EFAULT; |
607 | ||
278bc429 | 608 | if (user_size != 0 && user_size != dev_size) |
7850f63f BH |
609 | return -EINVAL; |
610 | ||
611 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
612 | if (!indir) |
613 | return -ENOMEM; | |
614 | ||
7850f63f BH |
615 | rx_rings.cmd = ETHTOOL_GRXRINGS; |
616 | ret = dev->ethtool_ops->get_rxnfc(dev, &rx_rings, NULL); | |
617 | if (ret) | |
618 | goto out; | |
278bc429 BH |
619 | |
620 | if (user_size == 0) { | |
621 | for (i = 0; i < dev_size; i++) | |
622 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
623 | } else { | |
624 | if (copy_from_user(indir, | |
625 | useraddr + | |
626 | offsetof(struct ethtool_rxfh_indir, | |
627 | ring_index[0]), | |
628 | dev_size * sizeof(indir[0]))) { | |
629 | ret = -EFAULT; | |
7850f63f BH |
630 | goto out; |
631 | } | |
278bc429 BH |
632 | |
633 | /* Validate ring indices */ | |
634 | for (i = 0; i < dev_size; i++) { | |
635 | if (indir[i] >= rx_rings.data) { | |
636 | ret = -EINVAL; | |
637 | goto out; | |
638 | } | |
639 | } | |
7850f63f BH |
640 | } |
641 | ||
a5b6ee29 BH |
642 | ret = dev->ethtool_ops->set_rxfh_indir(dev, indir); |
643 | ||
644 | out: | |
645 | kfree(indir); | |
646 | return ret; | |
647 | } | |
648 | ||
1da177e4 LT |
649 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
650 | { | |
651 | struct ethtool_regs regs; | |
76fd8593 | 652 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 LT |
653 | void *regbuf; |
654 | int reglen, ret; | |
655 | ||
656 | if (!ops->get_regs || !ops->get_regs_len) | |
657 | return -EOPNOTSUPP; | |
658 | ||
659 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
660 | return -EFAULT; | |
661 | ||
662 | reglen = ops->get_regs_len(dev); | |
663 | if (regs.len > reglen) | |
664 | regs.len = reglen; | |
665 | ||
b7c7d01a | 666 | regbuf = vzalloc(reglen); |
67ae7cf1 | 667 | if (reglen && !regbuf) |
1da177e4 LT |
668 | return -ENOMEM; |
669 | ||
670 | ops->get_regs(dev, ®s, regbuf); | |
671 | ||
672 | ret = -EFAULT; | |
673 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
674 | goto out; | |
675 | useraddr += offsetof(struct ethtool_regs, data); | |
67ae7cf1 | 676 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
1da177e4 LT |
677 | goto out; |
678 | ret = 0; | |
679 | ||
680 | out: | |
a77f5db3 | 681 | vfree(regbuf); |
1da177e4 LT |
682 | return ret; |
683 | } | |
684 | ||
d73d3a8c BH |
685 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
686 | { | |
687 | struct ethtool_value reset; | |
688 | int ret; | |
689 | ||
690 | if (!dev->ethtool_ops->reset) | |
691 | return -EOPNOTSUPP; | |
692 | ||
693 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
694 | return -EFAULT; | |
695 | ||
696 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
697 | if (ret) | |
698 | return ret; | |
699 | ||
700 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
701 | return -EFAULT; | |
702 | return 0; | |
703 | } | |
704 | ||
1da177e4 LT |
705 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
706 | { | |
8e557421 | 707 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
1da177e4 LT |
708 | |
709 | if (!dev->ethtool_ops->get_wol) | |
710 | return -EOPNOTSUPP; | |
711 | ||
712 | dev->ethtool_ops->get_wol(dev, &wol); | |
713 | ||
714 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
715 | return -EFAULT; | |
716 | return 0; | |
717 | } | |
718 | ||
719 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
720 | { | |
721 | struct ethtool_wolinfo wol; | |
722 | ||
723 | if (!dev->ethtool_ops->set_wol) | |
724 | return -EOPNOTSUPP; | |
725 | ||
726 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
727 | return -EFAULT; | |
728 | ||
729 | return dev->ethtool_ops->set_wol(dev, &wol); | |
730 | } | |
731 | ||
1da177e4 LT |
732 | static int ethtool_nway_reset(struct net_device *dev) |
733 | { | |
734 | if (!dev->ethtool_ops->nway_reset) | |
735 | return -EOPNOTSUPP; | |
736 | ||
737 | return dev->ethtool_ops->nway_reset(dev); | |
738 | } | |
739 | ||
e596e6e4 BH |
740 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
741 | { | |
742 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; | |
743 | ||
744 | if (!dev->ethtool_ops->get_link) | |
745 | return -EOPNOTSUPP; | |
746 | ||
747 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); | |
748 | ||
749 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
750 | return -EFAULT; | |
751 | return 0; | |
752 | } | |
753 | ||
081d094e BH |
754 | static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, |
755 | int (*getter)(struct net_device *, | |
756 | struct ethtool_eeprom *, u8 *), | |
757 | u32 total_len) | |
1da177e4 LT |
758 | { |
759 | struct ethtool_eeprom eeprom; | |
b131dd5d MSB |
760 | void __user *userbuf = useraddr + sizeof(eeprom); |
761 | u32 bytes_remaining; | |
1da177e4 | 762 | u8 *data; |
b131dd5d | 763 | int ret = 0; |
1da177e4 | 764 | |
1da177e4 LT |
765 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
766 | return -EFAULT; | |
767 | ||
768 | /* Check for wrap and zero */ | |
769 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
770 | return -EINVAL; | |
771 | ||
772 | /* Check for exceeding total eeprom len */ | |
081d094e | 773 | if (eeprom.offset + eeprom.len > total_len) |
1da177e4 LT |
774 | return -EINVAL; |
775 | ||
b131dd5d | 776 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
777 | if (!data) |
778 | return -ENOMEM; | |
779 | ||
b131dd5d MSB |
780 | bytes_remaining = eeprom.len; |
781 | while (bytes_remaining > 0) { | |
782 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
783 | ||
081d094e | 784 | ret = getter(dev, &eeprom, data); |
b131dd5d MSB |
785 | if (ret) |
786 | break; | |
787 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
788 | ret = -EFAULT; | |
789 | break; | |
790 | } | |
791 | userbuf += eeprom.len; | |
792 | eeprom.offset += eeprom.len; | |
793 | bytes_remaining -= eeprom.len; | |
794 | } | |
1da177e4 | 795 | |
c5835df9 MSB |
796 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
797 | eeprom.offset -= eeprom.len; | |
798 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
799 | ret = -EFAULT; | |
800 | ||
1da177e4 LT |
801 | kfree(data); |
802 | return ret; | |
803 | } | |
804 | ||
081d094e BH |
805 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
806 | { | |
807 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
808 | ||
809 | if (!ops->get_eeprom || !ops->get_eeprom_len) | |
810 | return -EOPNOTSUPP; | |
811 | ||
812 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom, | |
813 | ops->get_eeprom_len(dev)); | |
814 | } | |
815 | ||
1da177e4 LT |
816 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
817 | { | |
818 | struct ethtool_eeprom eeprom; | |
76fd8593 | 819 | const struct ethtool_ops *ops = dev->ethtool_ops; |
b131dd5d MSB |
820 | void __user *userbuf = useraddr + sizeof(eeprom); |
821 | u32 bytes_remaining; | |
1da177e4 | 822 | u8 *data; |
b131dd5d | 823 | int ret = 0; |
1da177e4 LT |
824 | |
825 | if (!ops->set_eeprom || !ops->get_eeprom_len) | |
826 | return -EOPNOTSUPP; | |
827 | ||
828 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
829 | return -EFAULT; | |
830 | ||
831 | /* Check for wrap and zero */ | |
832 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
833 | return -EINVAL; | |
834 | ||
835 | /* Check for exceeding total eeprom len */ | |
836 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
837 | return -EINVAL; | |
838 | ||
b131dd5d | 839 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
840 | if (!data) |
841 | return -ENOMEM; | |
842 | ||
b131dd5d MSB |
843 | bytes_remaining = eeprom.len; |
844 | while (bytes_remaining > 0) { | |
845 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
846 | ||
847 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
848 | ret = -EFAULT; | |
849 | break; | |
850 | } | |
851 | ret = ops->set_eeprom(dev, &eeprom, data); | |
852 | if (ret) | |
853 | break; | |
854 | userbuf += eeprom.len; | |
855 | eeprom.offset += eeprom.len; | |
856 | bytes_remaining -= eeprom.len; | |
857 | } | |
1da177e4 | 858 | |
1da177e4 LT |
859 | kfree(data); |
860 | return ret; | |
861 | } | |
862 | ||
97f8aefb | 863 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
864 | void __user *useraddr) | |
1da177e4 | 865 | { |
8e557421 | 866 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
1da177e4 LT |
867 | |
868 | if (!dev->ethtool_ops->get_coalesce) | |
869 | return -EOPNOTSUPP; | |
870 | ||
871 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
872 | ||
873 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
874 | return -EFAULT; | |
875 | return 0; | |
876 | } | |
877 | ||
97f8aefb | 878 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
879 | void __user *useraddr) | |
1da177e4 LT |
880 | { |
881 | struct ethtool_coalesce coalesce; | |
882 | ||
fa04ae5c | 883 | if (!dev->ethtool_ops->set_coalesce) |
1da177e4 LT |
884 | return -EOPNOTSUPP; |
885 | ||
886 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
887 | return -EFAULT; | |
888 | ||
889 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
890 | } | |
891 | ||
892 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
893 | { | |
8e557421 | 894 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
1da177e4 LT |
895 | |
896 | if (!dev->ethtool_ops->get_ringparam) | |
897 | return -EOPNOTSUPP; | |
898 | ||
899 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
900 | ||
901 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
902 | return -EFAULT; | |
903 | return 0; | |
904 | } | |
905 | ||
906 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
907 | { | |
908 | struct ethtool_ringparam ringparam; | |
909 | ||
910 | if (!dev->ethtool_ops->set_ringparam) | |
911 | return -EOPNOTSUPP; | |
912 | ||
913 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
914 | return -EFAULT; | |
915 | ||
916 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
917 | } | |
918 | ||
8b5933c3 | 919 | static noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
920 | void __user *useraddr) | |
921 | { | |
922 | struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; | |
923 | ||
924 | if (!dev->ethtool_ops->get_channels) | |
925 | return -EOPNOTSUPP; | |
926 | ||
927 | dev->ethtool_ops->get_channels(dev, &channels); | |
928 | ||
929 | if (copy_to_user(useraddr, &channels, sizeof(channels))) | |
930 | return -EFAULT; | |
931 | return 0; | |
932 | } | |
933 | ||
934 | static noinline_for_stack int ethtool_set_channels(struct net_device *dev, | |
935 | void __user *useraddr) | |
936 | { | |
937 | struct ethtool_channels channels; | |
938 | ||
939 | if (!dev->ethtool_ops->set_channels) | |
940 | return -EOPNOTSUPP; | |
941 | ||
942 | if (copy_from_user(&channels, useraddr, sizeof(channels))) | |
943 | return -EFAULT; | |
944 | ||
945 | return dev->ethtool_ops->set_channels(dev, &channels); | |
946 | } | |
947 | ||
1da177e4 LT |
948 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) |
949 | { | |
950 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
951 | ||
952 | if (!dev->ethtool_ops->get_pauseparam) | |
953 | return -EOPNOTSUPP; | |
954 | ||
955 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
956 | ||
957 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
958 | return -EFAULT; | |
959 | return 0; | |
960 | } | |
961 | ||
962 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
963 | { | |
964 | struct ethtool_pauseparam pauseparam; | |
965 | ||
e1b90c41 | 966 | if (!dev->ethtool_ops->set_pauseparam) |
1da177e4 LT |
967 | return -EOPNOTSUPP; |
968 | ||
969 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
970 | return -EFAULT; | |
971 | ||
972 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
973 | } | |
974 | ||
1da177e4 LT |
975 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
976 | { | |
977 | struct ethtool_test test; | |
76fd8593 | 978 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 979 | u64 *data; |
ff03d49f | 980 | int ret, test_len; |
1da177e4 | 981 | |
a9828ec6 | 982 | if (!ops->self_test || !ops->get_sset_count) |
1da177e4 LT |
983 | return -EOPNOTSUPP; |
984 | ||
a9828ec6 | 985 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
ff03d49f JG |
986 | if (test_len < 0) |
987 | return test_len; | |
988 | WARN_ON(test_len == 0); | |
989 | ||
1da177e4 LT |
990 | if (copy_from_user(&test, useraddr, sizeof(test))) |
991 | return -EFAULT; | |
992 | ||
ff03d49f JG |
993 | test.len = test_len; |
994 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1da177e4 LT |
995 | if (!data) |
996 | return -ENOMEM; | |
997 | ||
998 | ops->self_test(dev, &test, data); | |
999 | ||
1000 | ret = -EFAULT; | |
1001 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1002 | goto out; | |
1003 | useraddr += sizeof(test); | |
1004 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1005 | goto out; | |
1006 | ret = 0; | |
1007 | ||
1008 | out: | |
1009 | kfree(data); | |
1010 | return ret; | |
1011 | } | |
1012 | ||
1013 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1014 | { | |
1015 | struct ethtool_gstrings gstrings; | |
1da177e4 LT |
1016 | u8 *data; |
1017 | int ret; | |
1018 | ||
1da177e4 LT |
1019 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
1020 | return -EFAULT; | |
1021 | ||
340ae165 | 1022 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
a9828ec6 BH |
1023 | if (ret < 0) |
1024 | return ret; | |
1025 | ||
1026 | gstrings.len = ret; | |
1da177e4 LT |
1027 | |
1028 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
1029 | if (!data) | |
1030 | return -ENOMEM; | |
1031 | ||
340ae165 | 1032 | __ethtool_get_strings(dev, gstrings.string_set, data); |
1da177e4 LT |
1033 | |
1034 | ret = -EFAULT; | |
1035 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1036 | goto out; | |
1037 | useraddr += sizeof(gstrings); | |
1038 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1039 | goto out; | |
1040 | ret = 0; | |
1041 | ||
340ae165 | 1042 | out: |
1da177e4 LT |
1043 | kfree(data); |
1044 | return ret; | |
1045 | } | |
1046 | ||
1047 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1048 | { | |
1049 | struct ethtool_value id; | |
68f512f2 BH |
1050 | static bool busy; |
1051 | int rc; | |
1da177e4 | 1052 | |
1ab7b6ac | 1053 | if (!dev->ethtool_ops->set_phys_id) |
1da177e4 LT |
1054 | return -EOPNOTSUPP; |
1055 | ||
68f512f2 BH |
1056 | if (busy) |
1057 | return -EBUSY; | |
1058 | ||
1da177e4 LT |
1059 | if (copy_from_user(&id, useraddr, sizeof(id))) |
1060 | return -EFAULT; | |
1061 | ||
68f512f2 | 1062 | rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
fce55922 | 1063 | if (rc < 0) |
68f512f2 BH |
1064 | return rc; |
1065 | ||
1066 | /* Drop the RTNL lock while waiting, but prevent reentry or | |
1067 | * removal of the device. | |
1068 | */ | |
1069 | busy = true; | |
1070 | dev_hold(dev); | |
1071 | rtnl_unlock(); | |
1072 | ||
1073 | if (rc == 0) { | |
1074 | /* Driver will handle this itself */ | |
1075 | schedule_timeout_interruptible( | |
143780c6 | 1076 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
68f512f2 | 1077 | } else { |
fce55922 AB |
1078 | /* Driver expects to be called at twice the frequency in rc */ |
1079 | int n = rc * 2, i, interval = HZ / n; | |
1080 | ||
1081 | /* Count down seconds */ | |
68f512f2 | 1082 | do { |
fce55922 AB |
1083 | /* Count down iterations per second */ |
1084 | i = n; | |
1085 | do { | |
1086 | rtnl_lock(); | |
1087 | rc = dev->ethtool_ops->set_phys_id(dev, | |
1088 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); | |
1089 | rtnl_unlock(); | |
1090 | if (rc) | |
1091 | break; | |
1092 | schedule_timeout_interruptible(interval); | |
1093 | } while (!signal_pending(current) && --i != 0); | |
68f512f2 BH |
1094 | } while (!signal_pending(current) && |
1095 | (id.data == 0 || --id.data != 0)); | |
1096 | } | |
1097 | ||
1098 | rtnl_lock(); | |
1099 | dev_put(dev); | |
1100 | busy = false; | |
1101 | ||
1102 | (void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); | |
1103 | return rc; | |
1da177e4 LT |
1104 | } |
1105 | ||
1106 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1107 | { | |
1108 | struct ethtool_stats stats; | |
76fd8593 | 1109 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1110 | u64 *data; |
ff03d49f | 1111 | int ret, n_stats; |
1da177e4 | 1112 | |
a9828ec6 | 1113 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
1da177e4 LT |
1114 | return -EOPNOTSUPP; |
1115 | ||
a9828ec6 | 1116 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
ff03d49f JG |
1117 | if (n_stats < 0) |
1118 | return n_stats; | |
1119 | WARN_ON(n_stats == 0); | |
1120 | ||
1da177e4 LT |
1121 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
1122 | return -EFAULT; | |
1123 | ||
ff03d49f JG |
1124 | stats.n_stats = n_stats; |
1125 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1126 | if (!data) |
1127 | return -ENOMEM; | |
1128 | ||
1129 | ops->get_ethtool_stats(dev, &stats, data); | |
1130 | ||
1131 | ret = -EFAULT; | |
1132 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1133 | goto out; | |
1134 | useraddr += sizeof(stats); | |
1135 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1136 | goto out; | |
1137 | ret = 0; | |
1138 | ||
1139 | out: | |
1140 | kfree(data); | |
1141 | return ret; | |
1142 | } | |
1143 | ||
0bf0519d | 1144 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
a6f9a705 JW |
1145 | { |
1146 | struct ethtool_perm_addr epaddr; | |
a6f9a705 | 1147 | |
313674af | 1148 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
a6f9a705 JW |
1149 | return -EFAULT; |
1150 | ||
313674af MW |
1151 | if (epaddr.size < dev->addr_len) |
1152 | return -ETOOSMALL; | |
1153 | epaddr.size = dev->addr_len; | |
a6f9a705 | 1154 | |
a6f9a705 | 1155 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
313674af | 1156 | return -EFAULT; |
a6f9a705 | 1157 | useraddr += sizeof(epaddr); |
313674af MW |
1158 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
1159 | return -EFAULT; | |
1160 | return 0; | |
a6f9a705 JW |
1161 | } |
1162 | ||
13c99b24 JG |
1163 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
1164 | u32 cmd, u32 (*actor)(struct net_device *)) | |
3ae7c0b2 | 1165 | { |
8e557421 | 1166 | struct ethtool_value edata = { .cmd = cmd }; |
3ae7c0b2 | 1167 | |
13c99b24 | 1168 | if (!actor) |
3ae7c0b2 JG |
1169 | return -EOPNOTSUPP; |
1170 | ||
13c99b24 | 1171 | edata.data = actor(dev); |
3ae7c0b2 JG |
1172 | |
1173 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1174 | return -EFAULT; | |
1175 | return 0; | |
1176 | } | |
1177 | ||
13c99b24 JG |
1178 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
1179 | void (*actor)(struct net_device *, u32)) | |
3ae7c0b2 JG |
1180 | { |
1181 | struct ethtool_value edata; | |
1182 | ||
13c99b24 | 1183 | if (!actor) |
3ae7c0b2 JG |
1184 | return -EOPNOTSUPP; |
1185 | ||
1186 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1187 | return -EFAULT; | |
1188 | ||
13c99b24 | 1189 | actor(dev, edata.data); |
339bf024 JG |
1190 | return 0; |
1191 | } | |
1192 | ||
13c99b24 JG |
1193 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
1194 | int (*actor)(struct net_device *, u32)) | |
339bf024 JG |
1195 | { |
1196 | struct ethtool_value edata; | |
1197 | ||
13c99b24 | 1198 | if (!actor) |
339bf024 JG |
1199 | return -EOPNOTSUPP; |
1200 | ||
1201 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1202 | return -EFAULT; | |
1203 | ||
13c99b24 | 1204 | return actor(dev, edata.data); |
339bf024 JG |
1205 | } |
1206 | ||
97f8aefb | 1207 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
1208 | char __user *useraddr) | |
05c6a8d7 AK |
1209 | { |
1210 | struct ethtool_flash efl; | |
1211 | ||
1212 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1213 | return -EFAULT; | |
1214 | ||
1215 | if (!dev->ethtool_ops->flash_device) | |
1216 | return -EOPNOTSUPP; | |
1217 | ||
786f5281 BH |
1218 | efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; |
1219 | ||
05c6a8d7 AK |
1220 | return dev->ethtool_ops->flash_device(dev, &efl); |
1221 | } | |
1222 | ||
29dd54b7 AC |
1223 | static int ethtool_set_dump(struct net_device *dev, |
1224 | void __user *useraddr) | |
1225 | { | |
1226 | struct ethtool_dump dump; | |
1227 | ||
1228 | if (!dev->ethtool_ops->set_dump) | |
1229 | return -EOPNOTSUPP; | |
1230 | ||
1231 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1232 | return -EFAULT; | |
1233 | ||
1234 | return dev->ethtool_ops->set_dump(dev, &dump); | |
1235 | } | |
1236 | ||
1237 | static int ethtool_get_dump_flag(struct net_device *dev, | |
1238 | void __user *useraddr) | |
1239 | { | |
1240 | int ret; | |
1241 | struct ethtool_dump dump; | |
1242 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1243 | ||
1244 | if (!dev->ethtool_ops->get_dump_flag) | |
1245 | return -EOPNOTSUPP; | |
1246 | ||
1247 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1248 | return -EFAULT; | |
1249 | ||
1250 | ret = ops->get_dump_flag(dev, &dump); | |
1251 | if (ret) | |
1252 | return ret; | |
1253 | ||
1254 | if (copy_to_user(useraddr, &dump, sizeof(dump))) | |
1255 | return -EFAULT; | |
1256 | return 0; | |
1257 | } | |
1258 | ||
1259 | static int ethtool_get_dump_data(struct net_device *dev, | |
1260 | void __user *useraddr) | |
1261 | { | |
1262 | int ret; | |
1263 | __u32 len; | |
1264 | struct ethtool_dump dump, tmp; | |
1265 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1266 | void *data = NULL; | |
1267 | ||
1268 | if (!dev->ethtool_ops->get_dump_data || | |
1269 | !dev->ethtool_ops->get_dump_flag) | |
1270 | return -EOPNOTSUPP; | |
1271 | ||
1272 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1273 | return -EFAULT; | |
1274 | ||
1275 | memset(&tmp, 0, sizeof(tmp)); | |
1276 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; | |
1277 | ret = ops->get_dump_flag(dev, &tmp); | |
1278 | if (ret) | |
1279 | return ret; | |
1280 | ||
1281 | len = (tmp.len > dump.len) ? dump.len : tmp.len; | |
1282 | if (!len) | |
1283 | return -EFAULT; | |
1284 | ||
1285 | data = vzalloc(tmp.len); | |
1286 | if (!data) | |
1287 | return -ENOMEM; | |
1288 | ret = ops->get_dump_data(dev, &dump, data); | |
1289 | if (ret) | |
1290 | goto out; | |
1291 | ||
1292 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { | |
1293 | ret = -EFAULT; | |
1294 | goto out; | |
1295 | } | |
1296 | useraddr += offsetof(struct ethtool_dump, data); | |
1297 | if (copy_to_user(useraddr, data, len)) | |
1298 | ret = -EFAULT; | |
1299 | out: | |
1300 | vfree(data); | |
1301 | return ret; | |
1302 | } | |
1303 | ||
c8f3a8c3 RC |
1304 | static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr) |
1305 | { | |
1306 | int err = 0; | |
1307 | struct ethtool_ts_info info; | |
1308 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1309 | struct phy_device *phydev = dev->phydev; | |
1310 | ||
1311 | memset(&info, 0, sizeof(info)); | |
1312 | info.cmd = ETHTOOL_GET_TS_INFO; | |
1313 | ||
1314 | if (phydev && phydev->drv && phydev->drv->ts_info) { | |
1315 | ||
1316 | err = phydev->drv->ts_info(phydev, &info); | |
1317 | ||
1318 | } else if (dev->ethtool_ops && dev->ethtool_ops->get_ts_info) { | |
1319 | ||
1320 | err = ops->get_ts_info(dev, &info); | |
1321 | ||
1322 | } else { | |
1323 | info.so_timestamping = | |
1324 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1325 | SOF_TIMESTAMPING_SOFTWARE; | |
1326 | info.phc_index = -1; | |
1327 | } | |
1328 | ||
1329 | if (err) | |
1330 | return err; | |
1331 | ||
1332 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
1333 | err = -EFAULT; | |
1334 | ||
1335 | return err; | |
1336 | } | |
1337 | ||
1da177e4 LT |
1338 | /* The main entry point in this file. Called from net/core/dev.c */ |
1339 | ||
881d966b | 1340 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
1da177e4 | 1341 | { |
881d966b | 1342 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
1da177e4 LT |
1343 | void __user *useraddr = ifr->ifr_data; |
1344 | u32 ethcmd; | |
1345 | int rc; | |
04ed3e74 | 1346 | u32 old_features; |
1da177e4 | 1347 | |
1da177e4 LT |
1348 | if (!dev || !netif_device_present(dev)) |
1349 | return -ENODEV; | |
1350 | ||
97f8aefb | 1351 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
1da177e4 LT |
1352 | return -EFAULT; |
1353 | ||
01414802 | 1354 | if (!dev->ethtool_ops) { |
c8f3a8c3 RC |
1355 | /* A few commands do not require any driver support, |
1356 | * are unprivileged, and do not change anything, so we | |
1357 | * can take a shortcut to them. */ | |
01414802 BH |
1358 | if (ethcmd == ETHTOOL_GDRVINFO) |
1359 | return ethtool_get_drvinfo(dev, useraddr); | |
c8f3a8c3 RC |
1360 | else if (ethcmd == ETHTOOL_GET_TS_INFO) |
1361 | return ethtool_get_ts_info(dev, useraddr); | |
01414802 BH |
1362 | else |
1363 | return -EOPNOTSUPP; | |
1364 | } | |
1365 | ||
75f3123c | 1366 | /* Allow some commands to be done by anyone */ |
97f8aefb | 1367 | switch (ethcmd) { |
0fdc100b | 1368 | case ETHTOOL_GSET: |
75f3123c | 1369 | case ETHTOOL_GDRVINFO: |
75f3123c | 1370 | case ETHTOOL_GMSGLVL: |
75f3123c SH |
1371 | case ETHTOOL_GCOALESCE: |
1372 | case ETHTOOL_GRINGPARAM: | |
1373 | case ETHTOOL_GPAUSEPARAM: | |
1374 | case ETHTOOL_GRXCSUM: | |
1375 | case ETHTOOL_GTXCSUM: | |
1376 | case ETHTOOL_GSG: | |
f80400a2 | 1377 | case ETHTOOL_GSSET_INFO: |
75f3123c | 1378 | case ETHTOOL_GSTRINGS: |
75f3123c SH |
1379 | case ETHTOOL_GTSO: |
1380 | case ETHTOOL_GPERMADDR: | |
1381 | case ETHTOOL_GUFO: | |
1382 | case ETHTOOL_GGSO: | |
1cab819b | 1383 | case ETHTOOL_GGRO: |
339bf024 JG |
1384 | case ETHTOOL_GFLAGS: |
1385 | case ETHTOOL_GPFLAGS: | |
0853ad66 | 1386 | case ETHTOOL_GRXFH: |
59089d8d SB |
1387 | case ETHTOOL_GRXRINGS: |
1388 | case ETHTOOL_GRXCLSRLCNT: | |
1389 | case ETHTOOL_GRXCLSRULE: | |
1390 | case ETHTOOL_GRXCLSRLALL: | |
5455c699 | 1391 | case ETHTOOL_GFEATURES: |
c8f3a8c3 | 1392 | case ETHTOOL_GET_TS_INFO: |
75f3123c SH |
1393 | break; |
1394 | default: | |
1395 | if (!capable(CAP_NET_ADMIN)) | |
1396 | return -EPERM; | |
1397 | } | |
1398 | ||
97f8aefb | 1399 | if (dev->ethtool_ops->begin) { |
1400 | rc = dev->ethtool_ops->begin(dev); | |
1401 | if (rc < 0) | |
1da177e4 | 1402 | return rc; |
97f8aefb | 1403 | } |
d8a33ac4 SH |
1404 | old_features = dev->features; |
1405 | ||
1da177e4 LT |
1406 | switch (ethcmd) { |
1407 | case ETHTOOL_GSET: | |
1408 | rc = ethtool_get_settings(dev, useraddr); | |
1409 | break; | |
1410 | case ETHTOOL_SSET: | |
1411 | rc = ethtool_set_settings(dev, useraddr); | |
1412 | break; | |
1413 | case ETHTOOL_GDRVINFO: | |
1414 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1da177e4 LT |
1415 | break; |
1416 | case ETHTOOL_GREGS: | |
1417 | rc = ethtool_get_regs(dev, useraddr); | |
1418 | break; | |
1419 | case ETHTOOL_GWOL: | |
1420 | rc = ethtool_get_wol(dev, useraddr); | |
1421 | break; | |
1422 | case ETHTOOL_SWOL: | |
1423 | rc = ethtool_set_wol(dev, useraddr); | |
1424 | break; | |
1425 | case ETHTOOL_GMSGLVL: | |
13c99b24 JG |
1426 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1427 | dev->ethtool_ops->get_msglevel); | |
1da177e4 LT |
1428 | break; |
1429 | case ETHTOOL_SMSGLVL: | |
13c99b24 JG |
1430 | rc = ethtool_set_value_void(dev, useraddr, |
1431 | dev->ethtool_ops->set_msglevel); | |
1da177e4 LT |
1432 | break; |
1433 | case ETHTOOL_NWAY_RST: | |
1434 | rc = ethtool_nway_reset(dev); | |
1435 | break; | |
1436 | case ETHTOOL_GLINK: | |
e596e6e4 | 1437 | rc = ethtool_get_link(dev, useraddr); |
1da177e4 LT |
1438 | break; |
1439 | case ETHTOOL_GEEPROM: | |
1440 | rc = ethtool_get_eeprom(dev, useraddr); | |
1441 | break; | |
1442 | case ETHTOOL_SEEPROM: | |
1443 | rc = ethtool_set_eeprom(dev, useraddr); | |
1444 | break; | |
1445 | case ETHTOOL_GCOALESCE: | |
1446 | rc = ethtool_get_coalesce(dev, useraddr); | |
1447 | break; | |
1448 | case ETHTOOL_SCOALESCE: | |
1449 | rc = ethtool_set_coalesce(dev, useraddr); | |
1450 | break; | |
1451 | case ETHTOOL_GRINGPARAM: | |
1452 | rc = ethtool_get_ringparam(dev, useraddr); | |
1453 | break; | |
1454 | case ETHTOOL_SRINGPARAM: | |
1455 | rc = ethtool_set_ringparam(dev, useraddr); | |
1456 | break; | |
1457 | case ETHTOOL_GPAUSEPARAM: | |
1458 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1459 | break; | |
1460 | case ETHTOOL_SPAUSEPARAM: | |
1461 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1462 | break; | |
1da177e4 LT |
1463 | case ETHTOOL_TEST: |
1464 | rc = ethtool_self_test(dev, useraddr); | |
1465 | break; | |
1466 | case ETHTOOL_GSTRINGS: | |
1467 | rc = ethtool_get_strings(dev, useraddr); | |
1468 | break; | |
1469 | case ETHTOOL_PHYS_ID: | |
1470 | rc = ethtool_phys_id(dev, useraddr); | |
1471 | break; | |
1472 | case ETHTOOL_GSTATS: | |
1473 | rc = ethtool_get_stats(dev, useraddr); | |
1474 | break; | |
a6f9a705 JW |
1475 | case ETHTOOL_GPERMADDR: |
1476 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1477 | break; | |
3ae7c0b2 | 1478 | case ETHTOOL_GFLAGS: |
13c99b24 | 1479 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
bc5787c6 | 1480 | __ethtool_get_flags); |
3ae7c0b2 JG |
1481 | break; |
1482 | case ETHTOOL_SFLAGS: | |
da8ac86c | 1483 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
3ae7c0b2 | 1484 | break; |
339bf024 | 1485 | case ETHTOOL_GPFLAGS: |
13c99b24 JG |
1486 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1487 | dev->ethtool_ops->get_priv_flags); | |
339bf024 JG |
1488 | break; |
1489 | case ETHTOOL_SPFLAGS: | |
13c99b24 JG |
1490 | rc = ethtool_set_value(dev, useraddr, |
1491 | dev->ethtool_ops->set_priv_flags); | |
339bf024 | 1492 | break; |
0853ad66 | 1493 | case ETHTOOL_GRXFH: |
59089d8d SB |
1494 | case ETHTOOL_GRXRINGS: |
1495 | case ETHTOOL_GRXCLSRLCNT: | |
1496 | case ETHTOOL_GRXCLSRULE: | |
1497 | case ETHTOOL_GRXCLSRLALL: | |
bf988435 | 1498 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
0853ad66 SB |
1499 | break; |
1500 | case ETHTOOL_SRXFH: | |
59089d8d SB |
1501 | case ETHTOOL_SRXCLSRLDEL: |
1502 | case ETHTOOL_SRXCLSRLINS: | |
bf988435 | 1503 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
0853ad66 | 1504 | break; |
05c6a8d7 AK |
1505 | case ETHTOOL_FLASHDEV: |
1506 | rc = ethtool_flash_device(dev, useraddr); | |
1507 | break; | |
d73d3a8c BH |
1508 | case ETHTOOL_RESET: |
1509 | rc = ethtool_reset(dev, useraddr); | |
1510 | break; | |
723b2f57 JG |
1511 | case ETHTOOL_GSSET_INFO: |
1512 | rc = ethtool_get_sset_info(dev, useraddr); | |
1513 | break; | |
a5b6ee29 BH |
1514 | case ETHTOOL_GRXFHINDIR: |
1515 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1516 | break; | |
1517 | case ETHTOOL_SRXFHINDIR: | |
1518 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1519 | break; | |
5455c699 MM |
1520 | case ETHTOOL_GFEATURES: |
1521 | rc = ethtool_get_features(dev, useraddr); | |
1522 | break; | |
1523 | case ETHTOOL_SFEATURES: | |
1524 | rc = ethtool_set_features(dev, useraddr); | |
1525 | break; | |
0a417704 | 1526 | case ETHTOOL_GTXCSUM: |
e83d360d | 1527 | case ETHTOOL_GRXCSUM: |
0a417704 MM |
1528 | case ETHTOOL_GSG: |
1529 | case ETHTOOL_GTSO: | |
1530 | case ETHTOOL_GUFO: | |
1531 | case ETHTOOL_GGSO: | |
1532 | case ETHTOOL_GGRO: | |
1533 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); | |
1534 | break; | |
1535 | case ETHTOOL_STXCSUM: | |
e83d360d | 1536 | case ETHTOOL_SRXCSUM: |
0a417704 MM |
1537 | case ETHTOOL_SSG: |
1538 | case ETHTOOL_STSO: | |
1539 | case ETHTOOL_SUFO: | |
1540 | case ETHTOOL_SGSO: | |
1541 | case ETHTOOL_SGRO: | |
1542 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); | |
1543 | break; | |
8b5933c3 | 1544 | case ETHTOOL_GCHANNELS: |
1545 | rc = ethtool_get_channels(dev, useraddr); | |
1546 | break; | |
1547 | case ETHTOOL_SCHANNELS: | |
1548 | rc = ethtool_set_channels(dev, useraddr); | |
1549 | break; | |
29dd54b7 AC |
1550 | case ETHTOOL_SET_DUMP: |
1551 | rc = ethtool_set_dump(dev, useraddr); | |
1552 | break; | |
1553 | case ETHTOOL_GET_DUMP_FLAG: | |
1554 | rc = ethtool_get_dump_flag(dev, useraddr); | |
1555 | break; | |
1556 | case ETHTOOL_GET_DUMP_DATA: | |
1557 | rc = ethtool_get_dump_data(dev, useraddr); | |
1558 | break; | |
c8f3a8c3 RC |
1559 | case ETHTOOL_GET_TS_INFO: |
1560 | rc = ethtool_get_ts_info(dev, useraddr); | |
1561 | break; | |
1da177e4 | 1562 | default: |
61a44b9c | 1563 | rc = -EOPNOTSUPP; |
1da177e4 | 1564 | } |
4ec93edb | 1565 | |
e71a4783 | 1566 | if (dev->ethtool_ops->complete) |
1da177e4 | 1567 | dev->ethtool_ops->complete(dev); |
d8a33ac4 SH |
1568 | |
1569 | if (old_features != dev->features) | |
1570 | netdev_features_change(dev); | |
1571 | ||
1da177e4 | 1572 | return rc; |
1da177e4 | 1573 | } |