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