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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", | |
f646968f | 63 | [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-ctag-hw-insert", |
9d921549 | 64 | |
f646968f PM |
65 | [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-ctag-hw-parse", |
66 | [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-ctag-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 | ||
f646968f PM |
282 | if (dev->features & NETIF_F_LRO) flags |= ETH_FLAG_LRO; |
283 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) flags |= ETH_FLAG_RXVLAN; | |
284 | if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) flags |= ETH_FLAG_TXVLAN; | |
285 | if (dev->features & NETIF_F_NTUPLE) flags |= ETH_FLAG_NTUPLE; | |
286 | if (dev->features & NETIF_F_RXHASH) flags |= ETH_FLAG_RXHASH; | |
02b3a552 MM |
287 | |
288 | return flags; | |
0a417704 MM |
289 | } |
290 | ||
bc5787c6 | 291 | static int __ethtool_set_flags(struct net_device *dev, u32 data) |
da8ac86c | 292 | { |
c8f44aff | 293 | netdev_features_t features = 0, changed; |
da8ac86c | 294 | |
02b3a552 | 295 | if (data & ~ETH_ALL_FLAGS) |
da8ac86c MM |
296 | return -EINVAL; |
297 | ||
02b3a552 | 298 | if (data & ETH_FLAG_LRO) features |= NETIF_F_LRO; |
f646968f PM |
299 | if (data & ETH_FLAG_RXVLAN) features |= NETIF_F_HW_VLAN_CTAG_RX; |
300 | if (data & ETH_FLAG_TXVLAN) features |= NETIF_F_HW_VLAN_CTAG_TX; | |
02b3a552 MM |
301 | if (data & ETH_FLAG_NTUPLE) features |= NETIF_F_NTUPLE; |
302 | if (data & ETH_FLAG_RXHASH) features |= NETIF_F_RXHASH; | |
303 | ||
da8ac86c | 304 | /* allow changing only bits set in hw_features */ |
02b3a552 | 305 | changed = (features ^ dev->features) & ETH_ALL_FEATURES; |
da8ac86c MM |
306 | if (changed & ~dev->hw_features) |
307 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; | |
308 | ||
309 | dev->wanted_features = | |
02b3a552 | 310 | (dev->wanted_features & ~changed) | (features & changed); |
da8ac86c | 311 | |
6cb6a27c | 312 | __netdev_update_features(dev); |
da8ac86c MM |
313 | |
314 | return 0; | |
315 | } | |
316 | ||
4bc71cb9 | 317 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 | 318 | { |
4bc71cb9 | 319 | ASSERT_RTNL(); |
1da177e4 | 320 | |
c03a14e8 | 321 | if (!dev->ethtool_ops->get_settings) |
1da177e4 LT |
322 | return -EOPNOTSUPP; |
323 | ||
4bc71cb9 JP |
324 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
325 | cmd->cmd = ETHTOOL_GSET; | |
326 | return dev->ethtool_ops->get_settings(dev, cmd); | |
327 | } | |
328 | EXPORT_SYMBOL(__ethtool_get_settings); | |
329 | ||
330 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
331 | { | |
332 | int err; | |
333 | struct ethtool_cmd cmd; | |
334 | ||
335 | err = __ethtool_get_settings(dev, &cmd); | |
1da177e4 LT |
336 | if (err < 0) |
337 | return err; | |
338 | ||
339 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
340 | return -EFAULT; | |
341 | return 0; | |
342 | } | |
343 | ||
344 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
345 | { | |
346 | struct ethtool_cmd cmd; | |
347 | ||
348 | if (!dev->ethtool_ops->set_settings) | |
349 | return -EOPNOTSUPP; | |
350 | ||
351 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
352 | return -EFAULT; | |
353 | ||
354 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
355 | } | |
356 | ||
97f8aefb | 357 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
358 | void __user *useraddr) | |
1da177e4 LT |
359 | { |
360 | struct ethtool_drvinfo info; | |
76fd8593 | 361 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 362 | |
1da177e4 LT |
363 | memset(&info, 0, sizeof(info)); |
364 | info.cmd = ETHTOOL_GDRVINFO; | |
c03a14e8 | 365 | if (ops->get_drvinfo) { |
01414802 BH |
366 | ops->get_drvinfo(dev, &info); |
367 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
368 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
369 | sizeof(info.bus_info)); | |
370 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
371 | sizeof(info.driver)); | |
372 | } else { | |
373 | return -EOPNOTSUPP; | |
374 | } | |
1da177e4 | 375 | |
723b2f57 JG |
376 | /* |
377 | * this method of obtaining string set info is deprecated; | |
d17792eb | 378 | * Use ETHTOOL_GSSET_INFO instead. |
723b2f57 | 379 | */ |
c03a14e8 | 380 | if (ops->get_sset_count) { |
ff03d49f JG |
381 | int rc; |
382 | ||
383 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
384 | if (rc >= 0) | |
385 | info.testinfo_len = rc; | |
386 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
387 | if (rc >= 0) | |
388 | info.n_stats = rc; | |
339bf024 JG |
389 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
390 | if (rc >= 0) | |
391 | info.n_priv_flags = rc; | |
ff03d49f | 392 | } |
c03a14e8 | 393 | if (ops->get_regs_len) |
1da177e4 | 394 | info.regdump_len = ops->get_regs_len(dev); |
c03a14e8 | 395 | if (ops->get_eeprom_len) |
1da177e4 LT |
396 | info.eedump_len = ops->get_eeprom_len(dev); |
397 | ||
398 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
399 | return -EFAULT; | |
400 | return 0; | |
401 | } | |
402 | ||
f5c445ed | 403 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
97f8aefb | 404 | void __user *useraddr) |
723b2f57 JG |
405 | { |
406 | struct ethtool_sset_info info; | |
723b2f57 JG |
407 | u64 sset_mask; |
408 | int i, idx = 0, n_bits = 0, ret, rc; | |
409 | u32 *info_buf = NULL; | |
410 | ||
723b2f57 JG |
411 | if (copy_from_user(&info, useraddr, sizeof(info))) |
412 | return -EFAULT; | |
413 | ||
414 | /* store copy of mask, because we zero struct later on */ | |
415 | sset_mask = info.sset_mask; | |
416 | if (!sset_mask) | |
417 | return 0; | |
418 | ||
419 | /* calculate size of return buffer */ | |
d17792eb | 420 | n_bits = hweight64(sset_mask); |
723b2f57 JG |
421 | |
422 | memset(&info, 0, sizeof(info)); | |
423 | info.cmd = ETHTOOL_GSSET_INFO; | |
424 | ||
425 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
426 | if (!info_buf) | |
427 | return -ENOMEM; | |
428 | ||
429 | /* | |
430 | * fill return buffer based on input bitmask and successful | |
431 | * get_sset_count return | |
432 | */ | |
433 | for (i = 0; i < 64; i++) { | |
434 | if (!(sset_mask & (1ULL << i))) | |
435 | continue; | |
436 | ||
340ae165 | 437 | rc = __ethtool_get_sset_count(dev, i); |
723b2f57 JG |
438 | if (rc >= 0) { |
439 | info.sset_mask |= (1ULL << i); | |
440 | info_buf[idx++] = rc; | |
441 | } | |
442 | } | |
443 | ||
444 | ret = -EFAULT; | |
445 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
446 | goto out; | |
447 | ||
448 | useraddr += offsetof(struct ethtool_sset_info, data); | |
449 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
450 | goto out; | |
451 | ||
452 | ret = 0; | |
453 | ||
454 | out: | |
455 | kfree(info_buf); | |
456 | return ret; | |
457 | } | |
458 | ||
97f8aefb | 459 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
bf988435 | 460 | u32 cmd, void __user *useraddr) |
0853ad66 | 461 | { |
bf988435 BH |
462 | struct ethtool_rxnfc info; |
463 | size_t info_size = sizeof(info); | |
55664f32 | 464 | int rc; |
0853ad66 | 465 | |
59089d8d | 466 | if (!dev->ethtool_ops->set_rxnfc) |
0853ad66 SB |
467 | return -EOPNOTSUPP; |
468 | ||
bf988435 BH |
469 | /* struct ethtool_rxnfc was originally defined for |
470 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
471 | * members. User-space might still be using that | |
472 | * definition. */ | |
473 | if (cmd == ETHTOOL_SRXFH) | |
474 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
475 | sizeof(info.data)); | |
476 | ||
477 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
478 | return -EFAULT; |
479 | ||
55664f32 BH |
480 | rc = dev->ethtool_ops->set_rxnfc(dev, &info); |
481 | if (rc) | |
482 | return rc; | |
483 | ||
484 | if (cmd == ETHTOOL_SRXCLSRLINS && | |
485 | copy_to_user(useraddr, &info, info_size)) | |
486 | return -EFAULT; | |
487 | ||
488 | return 0; | |
0853ad66 SB |
489 | } |
490 | ||
97f8aefb | 491 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
bf988435 | 492 | u32 cmd, void __user *useraddr) |
0853ad66 SB |
493 | { |
494 | struct ethtool_rxnfc info; | |
bf988435 | 495 | size_t info_size = sizeof(info); |
59089d8d SB |
496 | const struct ethtool_ops *ops = dev->ethtool_ops; |
497 | int ret; | |
498 | void *rule_buf = NULL; | |
0853ad66 | 499 | |
59089d8d | 500 | if (!ops->get_rxnfc) |
0853ad66 SB |
501 | return -EOPNOTSUPP; |
502 | ||
bf988435 BH |
503 | /* struct ethtool_rxnfc was originally defined for |
504 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
505 | * members. User-space might still be using that | |
506 | * definition. */ | |
507 | if (cmd == ETHTOOL_GRXFH) | |
508 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
509 | sizeof(info.data)); | |
510 | ||
511 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
512 | return -EFAULT; |
513 | ||
59089d8d SB |
514 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
515 | if (info.rule_cnt > 0) { | |
db048b69 | 516 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
ae6df5f9 | 517 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
db048b69 | 518 | GFP_USER); |
59089d8d SB |
519 | if (!rule_buf) |
520 | return -ENOMEM; | |
521 | } | |
522 | } | |
0853ad66 | 523 | |
59089d8d SB |
524 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
525 | if (ret < 0) | |
526 | goto err_out; | |
527 | ||
528 | ret = -EFAULT; | |
bf988435 | 529 | if (copy_to_user(useraddr, &info, info_size)) |
59089d8d SB |
530 | goto err_out; |
531 | ||
532 | if (rule_buf) { | |
533 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
534 | if (copy_to_user(useraddr, rule_buf, | |
535 | info.rule_cnt * sizeof(u32))) | |
536 | goto err_out; | |
537 | } | |
538 | ret = 0; | |
539 | ||
540 | err_out: | |
c9caceca | 541 | kfree(rule_buf); |
59089d8d SB |
542 | |
543 | return ret; | |
0853ad66 SB |
544 | } |
545 | ||
a5b6ee29 BH |
546 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
547 | void __user *useraddr) | |
548 | { | |
7850f63f BH |
549 | u32 user_size, dev_size; |
550 | u32 *indir; | |
a5b6ee29 BH |
551 | int ret; |
552 | ||
7850f63f BH |
553 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
554 | !dev->ethtool_ops->get_rxfh_indir) | |
555 | return -EOPNOTSUPP; | |
556 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
557 | if (dev_size == 0) | |
a5b6ee29 BH |
558 | return -EOPNOTSUPP; |
559 | ||
7850f63f | 560 | if (copy_from_user(&user_size, |
a5b6ee29 | 561 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 562 | sizeof(user_size))) |
a5b6ee29 BH |
563 | return -EFAULT; |
564 | ||
7850f63f BH |
565 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size), |
566 | &dev_size, sizeof(dev_size))) | |
567 | return -EFAULT; | |
568 | ||
569 | /* If the user buffer size is 0, this is just a query for the | |
570 | * device table size. Otherwise, if it's smaller than the | |
571 | * device table size it's an error. | |
572 | */ | |
573 | if (user_size < dev_size) | |
574 | return user_size == 0 ? 0 : -EINVAL; | |
575 | ||
576 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
577 | if (!indir) |
578 | return -ENOMEM; | |
579 | ||
a5b6ee29 BH |
580 | ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); |
581 | if (ret) | |
582 | goto out; | |
583 | ||
7850f63f BH |
584 | if (copy_to_user(useraddr + |
585 | offsetof(struct ethtool_rxfh_indir, ring_index[0]), | |
586 | indir, dev_size * sizeof(indir[0]))) | |
a5b6ee29 BH |
587 | ret = -EFAULT; |
588 | ||
589 | out: | |
590 | kfree(indir); | |
591 | return ret; | |
592 | } | |
593 | ||
594 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
595 | void __user *useraddr) | |
596 | { | |
7850f63f BH |
597 | struct ethtool_rxnfc rx_rings; |
598 | u32 user_size, dev_size, i; | |
599 | u32 *indir; | |
c03a14e8 | 600 | const struct ethtool_ops *ops = dev->ethtool_ops; |
a5b6ee29 BH |
601 | int ret; |
602 | ||
c03a14e8 JP |
603 | if (!ops->get_rxfh_indir_size || !ops->set_rxfh_indir || |
604 | !ops->get_rxnfc) | |
7850f63f | 605 | return -EOPNOTSUPP; |
c03a14e8 JP |
606 | |
607 | dev_size = ops->get_rxfh_indir_size(dev); | |
7850f63f | 608 | if (dev_size == 0) |
a5b6ee29 BH |
609 | return -EOPNOTSUPP; |
610 | ||
7850f63f | 611 | if (copy_from_user(&user_size, |
a5b6ee29 | 612 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 613 | sizeof(user_size))) |
a5b6ee29 BH |
614 | return -EFAULT; |
615 | ||
278bc429 | 616 | if (user_size != 0 && user_size != dev_size) |
7850f63f BH |
617 | return -EINVAL; |
618 | ||
619 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
620 | if (!indir) |
621 | return -ENOMEM; | |
622 | ||
7850f63f | 623 | rx_rings.cmd = ETHTOOL_GRXRINGS; |
c03a14e8 | 624 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); |
7850f63f BH |
625 | if (ret) |
626 | goto out; | |
278bc429 BH |
627 | |
628 | if (user_size == 0) { | |
629 | for (i = 0; i < dev_size; i++) | |
630 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
631 | } else { | |
632 | if (copy_from_user(indir, | |
633 | useraddr + | |
634 | offsetof(struct ethtool_rxfh_indir, | |
635 | ring_index[0]), | |
636 | dev_size * sizeof(indir[0]))) { | |
637 | ret = -EFAULT; | |
7850f63f BH |
638 | goto out; |
639 | } | |
278bc429 BH |
640 | |
641 | /* Validate ring indices */ | |
642 | for (i = 0; i < dev_size; i++) { | |
643 | if (indir[i] >= rx_rings.data) { | |
644 | ret = -EINVAL; | |
645 | goto out; | |
646 | } | |
647 | } | |
7850f63f BH |
648 | } |
649 | ||
c03a14e8 | 650 | ret = ops->set_rxfh_indir(dev, indir); |
a5b6ee29 BH |
651 | |
652 | out: | |
653 | kfree(indir); | |
654 | return ret; | |
655 | } | |
656 | ||
1da177e4 LT |
657 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
658 | { | |
659 | struct ethtool_regs regs; | |
76fd8593 | 660 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 LT |
661 | void *regbuf; |
662 | int reglen, ret; | |
663 | ||
664 | if (!ops->get_regs || !ops->get_regs_len) | |
665 | return -EOPNOTSUPP; | |
666 | ||
667 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
668 | return -EFAULT; | |
669 | ||
670 | reglen = ops->get_regs_len(dev); | |
671 | if (regs.len > reglen) | |
672 | regs.len = reglen; | |
673 | ||
b7c7d01a | 674 | regbuf = vzalloc(reglen); |
67ae7cf1 | 675 | if (reglen && !regbuf) |
1da177e4 LT |
676 | return -ENOMEM; |
677 | ||
678 | ops->get_regs(dev, ®s, regbuf); | |
679 | ||
680 | ret = -EFAULT; | |
681 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
682 | goto out; | |
683 | useraddr += offsetof(struct ethtool_regs, data); | |
67ae7cf1 | 684 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
1da177e4 LT |
685 | goto out; |
686 | ret = 0; | |
687 | ||
688 | out: | |
a77f5db3 | 689 | vfree(regbuf); |
1da177e4 LT |
690 | return ret; |
691 | } | |
692 | ||
d73d3a8c BH |
693 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
694 | { | |
695 | struct ethtool_value reset; | |
696 | int ret; | |
697 | ||
698 | if (!dev->ethtool_ops->reset) | |
699 | return -EOPNOTSUPP; | |
700 | ||
701 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
702 | return -EFAULT; | |
703 | ||
704 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
705 | if (ret) | |
706 | return ret; | |
707 | ||
708 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
709 | return -EFAULT; | |
710 | return 0; | |
711 | } | |
712 | ||
1da177e4 LT |
713 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
714 | { | |
8e557421 | 715 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
1da177e4 LT |
716 | |
717 | if (!dev->ethtool_ops->get_wol) | |
718 | return -EOPNOTSUPP; | |
719 | ||
720 | dev->ethtool_ops->get_wol(dev, &wol); | |
721 | ||
722 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
723 | return -EFAULT; | |
724 | return 0; | |
725 | } | |
726 | ||
727 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
728 | { | |
729 | struct ethtool_wolinfo wol; | |
730 | ||
731 | if (!dev->ethtool_ops->set_wol) | |
732 | return -EOPNOTSUPP; | |
733 | ||
734 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
735 | return -EFAULT; | |
736 | ||
737 | return dev->ethtool_ops->set_wol(dev, &wol); | |
738 | } | |
739 | ||
80f12ecc YM |
740 | static int ethtool_get_eee(struct net_device *dev, char __user *useraddr) |
741 | { | |
742 | struct ethtool_eee edata; | |
743 | int rc; | |
744 | ||
745 | if (!dev->ethtool_ops->get_eee) | |
746 | return -EOPNOTSUPP; | |
747 | ||
748 | memset(&edata, 0, sizeof(struct ethtool_eee)); | |
749 | edata.cmd = ETHTOOL_GEEE; | |
750 | rc = dev->ethtool_ops->get_eee(dev, &edata); | |
751 | ||
752 | if (rc) | |
753 | return rc; | |
754 | ||
755 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
756 | return -EFAULT; | |
757 | ||
758 | return 0; | |
759 | } | |
760 | ||
761 | static int ethtool_set_eee(struct net_device *dev, char __user *useraddr) | |
762 | { | |
763 | struct ethtool_eee edata; | |
764 | ||
765 | if (!dev->ethtool_ops->set_eee) | |
766 | return -EOPNOTSUPP; | |
767 | ||
768 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
769 | return -EFAULT; | |
770 | ||
771 | return dev->ethtool_ops->set_eee(dev, &edata); | |
772 | } | |
773 | ||
1da177e4 LT |
774 | static int ethtool_nway_reset(struct net_device *dev) |
775 | { | |
776 | if (!dev->ethtool_ops->nway_reset) | |
777 | return -EOPNOTSUPP; | |
778 | ||
779 | return dev->ethtool_ops->nway_reset(dev); | |
780 | } | |
781 | ||
e596e6e4 BH |
782 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
783 | { | |
784 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; | |
785 | ||
786 | if (!dev->ethtool_ops->get_link) | |
787 | return -EOPNOTSUPP; | |
788 | ||
789 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); | |
790 | ||
791 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
792 | return -EFAULT; | |
793 | return 0; | |
794 | } | |
795 | ||
081d094e BH |
796 | static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, |
797 | int (*getter)(struct net_device *, | |
798 | struct ethtool_eeprom *, u8 *), | |
799 | u32 total_len) | |
1da177e4 LT |
800 | { |
801 | struct ethtool_eeprom eeprom; | |
b131dd5d MSB |
802 | void __user *userbuf = useraddr + sizeof(eeprom); |
803 | u32 bytes_remaining; | |
1da177e4 | 804 | u8 *data; |
b131dd5d | 805 | int ret = 0; |
1da177e4 | 806 | |
1da177e4 LT |
807 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
808 | return -EFAULT; | |
809 | ||
810 | /* Check for wrap and zero */ | |
811 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
812 | return -EINVAL; | |
813 | ||
814 | /* Check for exceeding total eeprom len */ | |
081d094e | 815 | if (eeprom.offset + eeprom.len > total_len) |
1da177e4 LT |
816 | return -EINVAL; |
817 | ||
b131dd5d | 818 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
819 | if (!data) |
820 | return -ENOMEM; | |
821 | ||
b131dd5d MSB |
822 | bytes_remaining = eeprom.len; |
823 | while (bytes_remaining > 0) { | |
824 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
825 | ||
081d094e | 826 | ret = getter(dev, &eeprom, data); |
b131dd5d MSB |
827 | if (ret) |
828 | break; | |
829 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
830 | ret = -EFAULT; | |
831 | break; | |
832 | } | |
833 | userbuf += eeprom.len; | |
834 | eeprom.offset += eeprom.len; | |
835 | bytes_remaining -= eeprom.len; | |
836 | } | |
1da177e4 | 837 | |
c5835df9 MSB |
838 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
839 | eeprom.offset -= eeprom.len; | |
840 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
841 | ret = -EFAULT; | |
842 | ||
1da177e4 LT |
843 | kfree(data); |
844 | return ret; | |
845 | } | |
846 | ||
081d094e BH |
847 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
848 | { | |
849 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
850 | ||
851 | if (!ops->get_eeprom || !ops->get_eeprom_len) | |
852 | return -EOPNOTSUPP; | |
853 | ||
854 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom, | |
855 | ops->get_eeprom_len(dev)); | |
856 | } | |
857 | ||
1da177e4 LT |
858 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
859 | { | |
860 | struct ethtool_eeprom eeprom; | |
76fd8593 | 861 | const struct ethtool_ops *ops = dev->ethtool_ops; |
b131dd5d MSB |
862 | void __user *userbuf = useraddr + sizeof(eeprom); |
863 | u32 bytes_remaining; | |
1da177e4 | 864 | u8 *data; |
b131dd5d | 865 | int ret = 0; |
1da177e4 LT |
866 | |
867 | if (!ops->set_eeprom || !ops->get_eeprom_len) | |
868 | return -EOPNOTSUPP; | |
869 | ||
870 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
871 | return -EFAULT; | |
872 | ||
873 | /* Check for wrap and zero */ | |
874 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
875 | return -EINVAL; | |
876 | ||
877 | /* Check for exceeding total eeprom len */ | |
878 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
879 | return -EINVAL; | |
880 | ||
b131dd5d | 881 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
882 | if (!data) |
883 | return -ENOMEM; | |
884 | ||
b131dd5d MSB |
885 | bytes_remaining = eeprom.len; |
886 | while (bytes_remaining > 0) { | |
887 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
888 | ||
889 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
890 | ret = -EFAULT; | |
891 | break; | |
892 | } | |
893 | ret = ops->set_eeprom(dev, &eeprom, data); | |
894 | if (ret) | |
895 | break; | |
896 | userbuf += eeprom.len; | |
897 | eeprom.offset += eeprom.len; | |
898 | bytes_remaining -= eeprom.len; | |
899 | } | |
1da177e4 | 900 | |
1da177e4 LT |
901 | kfree(data); |
902 | return ret; | |
903 | } | |
904 | ||
97f8aefb | 905 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
906 | void __user *useraddr) | |
1da177e4 | 907 | { |
8e557421 | 908 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
1da177e4 LT |
909 | |
910 | if (!dev->ethtool_ops->get_coalesce) | |
911 | return -EOPNOTSUPP; | |
912 | ||
913 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
914 | ||
915 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
916 | return -EFAULT; | |
917 | return 0; | |
918 | } | |
919 | ||
97f8aefb | 920 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
921 | void __user *useraddr) | |
1da177e4 LT |
922 | { |
923 | struct ethtool_coalesce coalesce; | |
924 | ||
fa04ae5c | 925 | if (!dev->ethtool_ops->set_coalesce) |
1da177e4 LT |
926 | return -EOPNOTSUPP; |
927 | ||
928 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
929 | return -EFAULT; | |
930 | ||
931 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
932 | } | |
933 | ||
934 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
935 | { | |
8e557421 | 936 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
1da177e4 LT |
937 | |
938 | if (!dev->ethtool_ops->get_ringparam) | |
939 | return -EOPNOTSUPP; | |
940 | ||
941 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
942 | ||
943 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
944 | return -EFAULT; | |
945 | return 0; | |
946 | } | |
947 | ||
948 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
949 | { | |
950 | struct ethtool_ringparam ringparam; | |
951 | ||
952 | if (!dev->ethtool_ops->set_ringparam) | |
953 | return -EOPNOTSUPP; | |
954 | ||
955 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
956 | return -EFAULT; | |
957 | ||
958 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
959 | } | |
960 | ||
8b5933c3 | 961 | static noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
962 | void __user *useraddr) | |
963 | { | |
964 | struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; | |
965 | ||
966 | if (!dev->ethtool_ops->get_channels) | |
967 | return -EOPNOTSUPP; | |
968 | ||
969 | dev->ethtool_ops->get_channels(dev, &channels); | |
970 | ||
971 | if (copy_to_user(useraddr, &channels, sizeof(channels))) | |
972 | return -EFAULT; | |
973 | return 0; | |
974 | } | |
975 | ||
976 | static noinline_for_stack int ethtool_set_channels(struct net_device *dev, | |
977 | void __user *useraddr) | |
978 | { | |
979 | struct ethtool_channels channels; | |
980 | ||
981 | if (!dev->ethtool_ops->set_channels) | |
982 | return -EOPNOTSUPP; | |
983 | ||
984 | if (copy_from_user(&channels, useraddr, sizeof(channels))) | |
985 | return -EFAULT; | |
986 | ||
987 | return dev->ethtool_ops->set_channels(dev, &channels); | |
988 | } | |
989 | ||
1da177e4 LT |
990 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) |
991 | { | |
992 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
993 | ||
994 | if (!dev->ethtool_ops->get_pauseparam) | |
995 | return -EOPNOTSUPP; | |
996 | ||
997 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
998 | ||
999 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
1000 | return -EFAULT; | |
1001 | return 0; | |
1002 | } | |
1003 | ||
1004 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
1005 | { | |
1006 | struct ethtool_pauseparam pauseparam; | |
1007 | ||
e1b90c41 | 1008 | if (!dev->ethtool_ops->set_pauseparam) |
1da177e4 LT |
1009 | return -EOPNOTSUPP; |
1010 | ||
1011 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
1012 | return -EFAULT; | |
1013 | ||
1014 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
1015 | } | |
1016 | ||
1da177e4 LT |
1017 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
1018 | { | |
1019 | struct ethtool_test test; | |
76fd8593 | 1020 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1021 | u64 *data; |
ff03d49f | 1022 | int ret, test_len; |
1da177e4 | 1023 | |
a9828ec6 | 1024 | if (!ops->self_test || !ops->get_sset_count) |
1da177e4 LT |
1025 | return -EOPNOTSUPP; |
1026 | ||
a9828ec6 | 1027 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
ff03d49f JG |
1028 | if (test_len < 0) |
1029 | return test_len; | |
1030 | WARN_ON(test_len == 0); | |
1031 | ||
1da177e4 LT |
1032 | if (copy_from_user(&test, useraddr, sizeof(test))) |
1033 | return -EFAULT; | |
1034 | ||
ff03d49f JG |
1035 | test.len = test_len; |
1036 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1037 | if (!data) |
1038 | return -ENOMEM; | |
1039 | ||
1040 | ops->self_test(dev, &test, data); | |
1041 | ||
1042 | ret = -EFAULT; | |
1043 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1044 | goto out; | |
1045 | useraddr += sizeof(test); | |
1046 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1047 | goto out; | |
1048 | ret = 0; | |
1049 | ||
1050 | out: | |
1051 | kfree(data); | |
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1056 | { | |
1057 | struct ethtool_gstrings gstrings; | |
1da177e4 LT |
1058 | u8 *data; |
1059 | int ret; | |
1060 | ||
1da177e4 LT |
1061 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
1062 | return -EFAULT; | |
1063 | ||
340ae165 | 1064 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
a9828ec6 BH |
1065 | if (ret < 0) |
1066 | return ret; | |
1067 | ||
1068 | gstrings.len = ret; | |
1da177e4 LT |
1069 | |
1070 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
1071 | if (!data) | |
1072 | return -ENOMEM; | |
1073 | ||
340ae165 | 1074 | __ethtool_get_strings(dev, gstrings.string_set, data); |
1da177e4 LT |
1075 | |
1076 | ret = -EFAULT; | |
1077 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1078 | goto out; | |
1079 | useraddr += sizeof(gstrings); | |
1080 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1081 | goto out; | |
1082 | ret = 0; | |
1083 | ||
340ae165 | 1084 | out: |
1da177e4 LT |
1085 | kfree(data); |
1086 | return ret; | |
1087 | } | |
1088 | ||
1089 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1090 | { | |
1091 | struct ethtool_value id; | |
68f512f2 | 1092 | static bool busy; |
c03a14e8 | 1093 | const struct ethtool_ops *ops = dev->ethtool_ops; |
68f512f2 | 1094 | int rc; |
1da177e4 | 1095 | |
c03a14e8 | 1096 | if (!ops->set_phys_id) |
1da177e4 LT |
1097 | return -EOPNOTSUPP; |
1098 | ||
68f512f2 BH |
1099 | if (busy) |
1100 | return -EBUSY; | |
1101 | ||
1da177e4 LT |
1102 | if (copy_from_user(&id, useraddr, sizeof(id))) |
1103 | return -EFAULT; | |
1104 | ||
c03a14e8 | 1105 | rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
fce55922 | 1106 | if (rc < 0) |
68f512f2 BH |
1107 | return rc; |
1108 | ||
1109 | /* Drop the RTNL lock while waiting, but prevent reentry or | |
1110 | * removal of the device. | |
1111 | */ | |
1112 | busy = true; | |
1113 | dev_hold(dev); | |
1114 | rtnl_unlock(); | |
1115 | ||
1116 | if (rc == 0) { | |
1117 | /* Driver will handle this itself */ | |
1118 | schedule_timeout_interruptible( | |
143780c6 | 1119 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
68f512f2 | 1120 | } else { |
fce55922 AB |
1121 | /* Driver expects to be called at twice the frequency in rc */ |
1122 | int n = rc * 2, i, interval = HZ / n; | |
1123 | ||
1124 | /* Count down seconds */ | |
68f512f2 | 1125 | do { |
fce55922 AB |
1126 | /* Count down iterations per second */ |
1127 | i = n; | |
1128 | do { | |
1129 | rtnl_lock(); | |
c03a14e8 | 1130 | rc = ops->set_phys_id(dev, |
fce55922 AB |
1131 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
1132 | rtnl_unlock(); | |
1133 | if (rc) | |
1134 | break; | |
1135 | schedule_timeout_interruptible(interval); | |
1136 | } while (!signal_pending(current) && --i != 0); | |
68f512f2 BH |
1137 | } while (!signal_pending(current) && |
1138 | (id.data == 0 || --id.data != 0)); | |
1139 | } | |
1140 | ||
1141 | rtnl_lock(); | |
1142 | dev_put(dev); | |
1143 | busy = false; | |
1144 | ||
c03a14e8 | 1145 | (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
68f512f2 | 1146 | return rc; |
1da177e4 LT |
1147 | } |
1148 | ||
1149 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1150 | { | |
1151 | struct ethtool_stats stats; | |
76fd8593 | 1152 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1153 | u64 *data; |
ff03d49f | 1154 | int ret, n_stats; |
1da177e4 | 1155 | |
a9828ec6 | 1156 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
1da177e4 LT |
1157 | return -EOPNOTSUPP; |
1158 | ||
a9828ec6 | 1159 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
ff03d49f JG |
1160 | if (n_stats < 0) |
1161 | return n_stats; | |
1162 | WARN_ON(n_stats == 0); | |
1163 | ||
1da177e4 LT |
1164 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
1165 | return -EFAULT; | |
1166 | ||
ff03d49f JG |
1167 | stats.n_stats = n_stats; |
1168 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1169 | if (!data) |
1170 | return -ENOMEM; | |
1171 | ||
1172 | ops->get_ethtool_stats(dev, &stats, data); | |
1173 | ||
1174 | ret = -EFAULT; | |
1175 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1176 | goto out; | |
1177 | useraddr += sizeof(stats); | |
1178 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1179 | goto out; | |
1180 | ret = 0; | |
1181 | ||
1182 | out: | |
1183 | kfree(data); | |
1184 | return ret; | |
1185 | } | |
1186 | ||
0bf0519d | 1187 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
a6f9a705 JW |
1188 | { |
1189 | struct ethtool_perm_addr epaddr; | |
a6f9a705 | 1190 | |
313674af | 1191 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
a6f9a705 JW |
1192 | return -EFAULT; |
1193 | ||
313674af MW |
1194 | if (epaddr.size < dev->addr_len) |
1195 | return -ETOOSMALL; | |
1196 | epaddr.size = dev->addr_len; | |
a6f9a705 | 1197 | |
a6f9a705 | 1198 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
313674af | 1199 | return -EFAULT; |
a6f9a705 | 1200 | useraddr += sizeof(epaddr); |
313674af MW |
1201 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
1202 | return -EFAULT; | |
1203 | return 0; | |
a6f9a705 JW |
1204 | } |
1205 | ||
13c99b24 JG |
1206 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
1207 | u32 cmd, u32 (*actor)(struct net_device *)) | |
3ae7c0b2 | 1208 | { |
8e557421 | 1209 | struct ethtool_value edata = { .cmd = cmd }; |
3ae7c0b2 | 1210 | |
13c99b24 | 1211 | if (!actor) |
3ae7c0b2 JG |
1212 | return -EOPNOTSUPP; |
1213 | ||
13c99b24 | 1214 | edata.data = actor(dev); |
3ae7c0b2 JG |
1215 | |
1216 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1217 | return -EFAULT; | |
1218 | return 0; | |
1219 | } | |
1220 | ||
13c99b24 JG |
1221 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
1222 | void (*actor)(struct net_device *, u32)) | |
3ae7c0b2 JG |
1223 | { |
1224 | struct ethtool_value edata; | |
1225 | ||
13c99b24 | 1226 | if (!actor) |
3ae7c0b2 JG |
1227 | return -EOPNOTSUPP; |
1228 | ||
1229 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1230 | return -EFAULT; | |
1231 | ||
13c99b24 | 1232 | actor(dev, edata.data); |
339bf024 JG |
1233 | return 0; |
1234 | } | |
1235 | ||
13c99b24 JG |
1236 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
1237 | int (*actor)(struct net_device *, u32)) | |
339bf024 JG |
1238 | { |
1239 | struct ethtool_value edata; | |
1240 | ||
13c99b24 | 1241 | if (!actor) |
339bf024 JG |
1242 | return -EOPNOTSUPP; |
1243 | ||
1244 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1245 | return -EFAULT; | |
1246 | ||
13c99b24 | 1247 | return actor(dev, edata.data); |
339bf024 JG |
1248 | } |
1249 | ||
97f8aefb | 1250 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
1251 | char __user *useraddr) | |
05c6a8d7 AK |
1252 | { |
1253 | struct ethtool_flash efl; | |
1254 | ||
1255 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1256 | return -EFAULT; | |
1257 | ||
1258 | if (!dev->ethtool_ops->flash_device) | |
1259 | return -EOPNOTSUPP; | |
1260 | ||
786f5281 BH |
1261 | efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; |
1262 | ||
05c6a8d7 AK |
1263 | return dev->ethtool_ops->flash_device(dev, &efl); |
1264 | } | |
1265 | ||
29dd54b7 AC |
1266 | static int ethtool_set_dump(struct net_device *dev, |
1267 | void __user *useraddr) | |
1268 | { | |
1269 | struct ethtool_dump dump; | |
1270 | ||
1271 | if (!dev->ethtool_ops->set_dump) | |
1272 | return -EOPNOTSUPP; | |
1273 | ||
1274 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1275 | return -EFAULT; | |
1276 | ||
1277 | return dev->ethtool_ops->set_dump(dev, &dump); | |
1278 | } | |
1279 | ||
1280 | static int ethtool_get_dump_flag(struct net_device *dev, | |
1281 | void __user *useraddr) | |
1282 | { | |
1283 | int ret; | |
1284 | struct ethtool_dump dump; | |
1285 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1286 | ||
c03a14e8 | 1287 | if (!ops->get_dump_flag) |
29dd54b7 AC |
1288 | return -EOPNOTSUPP; |
1289 | ||
1290 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1291 | return -EFAULT; | |
1292 | ||
1293 | ret = ops->get_dump_flag(dev, &dump); | |
1294 | if (ret) | |
1295 | return ret; | |
1296 | ||
1297 | if (copy_to_user(useraddr, &dump, sizeof(dump))) | |
1298 | return -EFAULT; | |
1299 | return 0; | |
1300 | } | |
1301 | ||
1302 | static int ethtool_get_dump_data(struct net_device *dev, | |
1303 | void __user *useraddr) | |
1304 | { | |
1305 | int ret; | |
1306 | __u32 len; | |
1307 | struct ethtool_dump dump, tmp; | |
1308 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1309 | void *data = NULL; | |
1310 | ||
c03a14e8 | 1311 | if (!ops->get_dump_data || !ops->get_dump_flag) |
29dd54b7 AC |
1312 | return -EOPNOTSUPP; |
1313 | ||
1314 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1315 | return -EFAULT; | |
1316 | ||
1317 | memset(&tmp, 0, sizeof(tmp)); | |
1318 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; | |
1319 | ret = ops->get_dump_flag(dev, &tmp); | |
1320 | if (ret) | |
1321 | return ret; | |
1322 | ||
1323 | len = (tmp.len > dump.len) ? dump.len : tmp.len; | |
1324 | if (!len) | |
1325 | return -EFAULT; | |
1326 | ||
1327 | data = vzalloc(tmp.len); | |
1328 | if (!data) | |
1329 | return -ENOMEM; | |
1330 | ret = ops->get_dump_data(dev, &dump, data); | |
1331 | if (ret) | |
1332 | goto out; | |
1333 | ||
1334 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { | |
1335 | ret = -EFAULT; | |
1336 | goto out; | |
1337 | } | |
1338 | useraddr += offsetof(struct ethtool_dump, data); | |
1339 | if (copy_to_user(useraddr, data, len)) | |
1340 | ret = -EFAULT; | |
1341 | out: | |
1342 | vfree(data); | |
1343 | return ret; | |
1344 | } | |
1345 | ||
c8f3a8c3 RC |
1346 | static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr) |
1347 | { | |
1348 | int err = 0; | |
1349 | struct ethtool_ts_info info; | |
1350 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1351 | struct phy_device *phydev = dev->phydev; | |
1352 | ||
1353 | memset(&info, 0, sizeof(info)); | |
1354 | info.cmd = ETHTOOL_GET_TS_INFO; | |
1355 | ||
1356 | if (phydev && phydev->drv && phydev->drv->ts_info) { | |
c8f3a8c3 | 1357 | err = phydev->drv->ts_info(phydev, &info); |
c03a14e8 | 1358 | } else if (ops->get_ts_info) { |
c8f3a8c3 | 1359 | err = ops->get_ts_info(dev, &info); |
c8f3a8c3 RC |
1360 | } else { |
1361 | info.so_timestamping = | |
1362 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1363 | SOF_TIMESTAMPING_SOFTWARE; | |
1364 | info.phc_index = -1; | |
1365 | } | |
1366 | ||
1367 | if (err) | |
1368 | return err; | |
1369 | ||
1370 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
1371 | err = -EFAULT; | |
1372 | ||
1373 | return err; | |
1374 | } | |
1375 | ||
41c3cb6d SH |
1376 | static int ethtool_get_module_info(struct net_device *dev, |
1377 | void __user *useraddr) | |
1378 | { | |
1379 | int ret; | |
1380 | struct ethtool_modinfo modinfo; | |
1381 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1382 | ||
1383 | if (!ops->get_module_info) | |
1384 | return -EOPNOTSUPP; | |
1385 | ||
1386 | if (copy_from_user(&modinfo, useraddr, sizeof(modinfo))) | |
1387 | return -EFAULT; | |
1388 | ||
1389 | ret = ops->get_module_info(dev, &modinfo); | |
1390 | if (ret) | |
1391 | return ret; | |
1392 | ||
1393 | if (copy_to_user(useraddr, &modinfo, sizeof(modinfo))) | |
1394 | return -EFAULT; | |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | static int ethtool_get_module_eeprom(struct net_device *dev, | |
1400 | void __user *useraddr) | |
1401 | { | |
1402 | int ret; | |
1403 | struct ethtool_modinfo modinfo; | |
1404 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1405 | ||
1406 | if (!ops->get_module_info || !ops->get_module_eeprom) | |
1407 | return -EOPNOTSUPP; | |
1408 | ||
1409 | ret = ops->get_module_info(dev, &modinfo); | |
1410 | if (ret) | |
1411 | return ret; | |
1412 | ||
1413 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_module_eeprom, | |
1414 | modinfo.eeprom_len); | |
1415 | } | |
1416 | ||
1da177e4 LT |
1417 | /* The main entry point in this file. Called from net/core/dev.c */ |
1418 | ||
881d966b | 1419 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
1da177e4 | 1420 | { |
881d966b | 1421 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
1da177e4 LT |
1422 | void __user *useraddr = ifr->ifr_data; |
1423 | u32 ethcmd; | |
1424 | int rc; | |
b29d3145 | 1425 | netdev_features_t old_features; |
1da177e4 | 1426 | |
1da177e4 LT |
1427 | if (!dev || !netif_device_present(dev)) |
1428 | return -ENODEV; | |
1429 | ||
97f8aefb | 1430 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
1da177e4 LT |
1431 | return -EFAULT; |
1432 | ||
75f3123c | 1433 | /* Allow some commands to be done by anyone */ |
97f8aefb | 1434 | switch (ethcmd) { |
0fdc100b | 1435 | case ETHTOOL_GSET: |
75f3123c | 1436 | case ETHTOOL_GDRVINFO: |
75f3123c | 1437 | case ETHTOOL_GMSGLVL: |
2da45db2 | 1438 | case ETHTOOL_GLINK: |
75f3123c SH |
1439 | case ETHTOOL_GCOALESCE: |
1440 | case ETHTOOL_GRINGPARAM: | |
1441 | case ETHTOOL_GPAUSEPARAM: | |
1442 | case ETHTOOL_GRXCSUM: | |
1443 | case ETHTOOL_GTXCSUM: | |
1444 | case ETHTOOL_GSG: | |
f80400a2 | 1445 | case ETHTOOL_GSSET_INFO: |
75f3123c | 1446 | case ETHTOOL_GSTRINGS: |
2da45db2 | 1447 | case ETHTOOL_GSTATS: |
75f3123c SH |
1448 | case ETHTOOL_GTSO: |
1449 | case ETHTOOL_GPERMADDR: | |
1450 | case ETHTOOL_GUFO: | |
1451 | case ETHTOOL_GGSO: | |
1cab819b | 1452 | case ETHTOOL_GGRO: |
339bf024 JG |
1453 | case ETHTOOL_GFLAGS: |
1454 | case ETHTOOL_GPFLAGS: | |
0853ad66 | 1455 | case ETHTOOL_GRXFH: |
59089d8d SB |
1456 | case ETHTOOL_GRXRINGS: |
1457 | case ETHTOOL_GRXCLSRLCNT: | |
1458 | case ETHTOOL_GRXCLSRULE: | |
1459 | case ETHTOOL_GRXCLSRLALL: | |
2da45db2 | 1460 | case ETHTOOL_GRXFHINDIR: |
5455c699 | 1461 | case ETHTOOL_GFEATURES: |
2da45db2 | 1462 | case ETHTOOL_GCHANNELS: |
c8f3a8c3 | 1463 | case ETHTOOL_GET_TS_INFO: |
2da45db2 | 1464 | case ETHTOOL_GEEE: |
75f3123c SH |
1465 | break; |
1466 | default: | |
5e1fccc0 | 1467 | if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
75f3123c SH |
1468 | return -EPERM; |
1469 | } | |
1470 | ||
97f8aefb | 1471 | if (dev->ethtool_ops->begin) { |
1472 | rc = dev->ethtool_ops->begin(dev); | |
1473 | if (rc < 0) | |
1da177e4 | 1474 | return rc; |
97f8aefb | 1475 | } |
d8a33ac4 SH |
1476 | old_features = dev->features; |
1477 | ||
1da177e4 LT |
1478 | switch (ethcmd) { |
1479 | case ETHTOOL_GSET: | |
1480 | rc = ethtool_get_settings(dev, useraddr); | |
1481 | break; | |
1482 | case ETHTOOL_SSET: | |
1483 | rc = ethtool_set_settings(dev, useraddr); | |
1484 | break; | |
1485 | case ETHTOOL_GDRVINFO: | |
1486 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1da177e4 LT |
1487 | break; |
1488 | case ETHTOOL_GREGS: | |
1489 | rc = ethtool_get_regs(dev, useraddr); | |
1490 | break; | |
1491 | case ETHTOOL_GWOL: | |
1492 | rc = ethtool_get_wol(dev, useraddr); | |
1493 | break; | |
1494 | case ETHTOOL_SWOL: | |
1495 | rc = ethtool_set_wol(dev, useraddr); | |
1496 | break; | |
1497 | case ETHTOOL_GMSGLVL: | |
13c99b24 JG |
1498 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1499 | dev->ethtool_ops->get_msglevel); | |
1da177e4 LT |
1500 | break; |
1501 | case ETHTOOL_SMSGLVL: | |
13c99b24 JG |
1502 | rc = ethtool_set_value_void(dev, useraddr, |
1503 | dev->ethtool_ops->set_msglevel); | |
1da177e4 | 1504 | break; |
80f12ecc YM |
1505 | case ETHTOOL_GEEE: |
1506 | rc = ethtool_get_eee(dev, useraddr); | |
1507 | break; | |
1508 | case ETHTOOL_SEEE: | |
1509 | rc = ethtool_set_eee(dev, useraddr); | |
1510 | break; | |
1da177e4 LT |
1511 | case ETHTOOL_NWAY_RST: |
1512 | rc = ethtool_nway_reset(dev); | |
1513 | break; | |
1514 | case ETHTOOL_GLINK: | |
e596e6e4 | 1515 | rc = ethtool_get_link(dev, useraddr); |
1da177e4 LT |
1516 | break; |
1517 | case ETHTOOL_GEEPROM: | |
1518 | rc = ethtool_get_eeprom(dev, useraddr); | |
1519 | break; | |
1520 | case ETHTOOL_SEEPROM: | |
1521 | rc = ethtool_set_eeprom(dev, useraddr); | |
1522 | break; | |
1523 | case ETHTOOL_GCOALESCE: | |
1524 | rc = ethtool_get_coalesce(dev, useraddr); | |
1525 | break; | |
1526 | case ETHTOOL_SCOALESCE: | |
1527 | rc = ethtool_set_coalesce(dev, useraddr); | |
1528 | break; | |
1529 | case ETHTOOL_GRINGPARAM: | |
1530 | rc = ethtool_get_ringparam(dev, useraddr); | |
1531 | break; | |
1532 | case ETHTOOL_SRINGPARAM: | |
1533 | rc = ethtool_set_ringparam(dev, useraddr); | |
1534 | break; | |
1535 | case ETHTOOL_GPAUSEPARAM: | |
1536 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1537 | break; | |
1538 | case ETHTOOL_SPAUSEPARAM: | |
1539 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1540 | break; | |
1da177e4 LT |
1541 | case ETHTOOL_TEST: |
1542 | rc = ethtool_self_test(dev, useraddr); | |
1543 | break; | |
1544 | case ETHTOOL_GSTRINGS: | |
1545 | rc = ethtool_get_strings(dev, useraddr); | |
1546 | break; | |
1547 | case ETHTOOL_PHYS_ID: | |
1548 | rc = ethtool_phys_id(dev, useraddr); | |
1549 | break; | |
1550 | case ETHTOOL_GSTATS: | |
1551 | rc = ethtool_get_stats(dev, useraddr); | |
1552 | break; | |
a6f9a705 JW |
1553 | case ETHTOOL_GPERMADDR: |
1554 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1555 | break; | |
3ae7c0b2 | 1556 | case ETHTOOL_GFLAGS: |
13c99b24 | 1557 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
bc5787c6 | 1558 | __ethtool_get_flags); |
3ae7c0b2 JG |
1559 | break; |
1560 | case ETHTOOL_SFLAGS: | |
da8ac86c | 1561 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
3ae7c0b2 | 1562 | break; |
339bf024 | 1563 | case ETHTOOL_GPFLAGS: |
13c99b24 JG |
1564 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1565 | dev->ethtool_ops->get_priv_flags); | |
339bf024 JG |
1566 | break; |
1567 | case ETHTOOL_SPFLAGS: | |
13c99b24 JG |
1568 | rc = ethtool_set_value(dev, useraddr, |
1569 | dev->ethtool_ops->set_priv_flags); | |
339bf024 | 1570 | break; |
0853ad66 | 1571 | case ETHTOOL_GRXFH: |
59089d8d SB |
1572 | case ETHTOOL_GRXRINGS: |
1573 | case ETHTOOL_GRXCLSRLCNT: | |
1574 | case ETHTOOL_GRXCLSRULE: | |
1575 | case ETHTOOL_GRXCLSRLALL: | |
bf988435 | 1576 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
0853ad66 SB |
1577 | break; |
1578 | case ETHTOOL_SRXFH: | |
59089d8d SB |
1579 | case ETHTOOL_SRXCLSRLDEL: |
1580 | case ETHTOOL_SRXCLSRLINS: | |
bf988435 | 1581 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
0853ad66 | 1582 | break; |
05c6a8d7 AK |
1583 | case ETHTOOL_FLASHDEV: |
1584 | rc = ethtool_flash_device(dev, useraddr); | |
1585 | break; | |
d73d3a8c BH |
1586 | case ETHTOOL_RESET: |
1587 | rc = ethtool_reset(dev, useraddr); | |
1588 | break; | |
723b2f57 JG |
1589 | case ETHTOOL_GSSET_INFO: |
1590 | rc = ethtool_get_sset_info(dev, useraddr); | |
1591 | break; | |
a5b6ee29 BH |
1592 | case ETHTOOL_GRXFHINDIR: |
1593 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1594 | break; | |
1595 | case ETHTOOL_SRXFHINDIR: | |
1596 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1597 | break; | |
5455c699 MM |
1598 | case ETHTOOL_GFEATURES: |
1599 | rc = ethtool_get_features(dev, useraddr); | |
1600 | break; | |
1601 | case ETHTOOL_SFEATURES: | |
1602 | rc = ethtool_set_features(dev, useraddr); | |
1603 | break; | |
0a417704 | 1604 | case ETHTOOL_GTXCSUM: |
e83d360d | 1605 | case ETHTOOL_GRXCSUM: |
0a417704 MM |
1606 | case ETHTOOL_GSG: |
1607 | case ETHTOOL_GTSO: | |
1608 | case ETHTOOL_GUFO: | |
1609 | case ETHTOOL_GGSO: | |
1610 | case ETHTOOL_GGRO: | |
1611 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); | |
1612 | break; | |
1613 | case ETHTOOL_STXCSUM: | |
e83d360d | 1614 | case ETHTOOL_SRXCSUM: |
0a417704 MM |
1615 | case ETHTOOL_SSG: |
1616 | case ETHTOOL_STSO: | |
1617 | case ETHTOOL_SUFO: | |
1618 | case ETHTOOL_SGSO: | |
1619 | case ETHTOOL_SGRO: | |
1620 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); | |
1621 | break; | |
8b5933c3 | 1622 | case ETHTOOL_GCHANNELS: |
1623 | rc = ethtool_get_channels(dev, useraddr); | |
1624 | break; | |
1625 | case ETHTOOL_SCHANNELS: | |
1626 | rc = ethtool_set_channels(dev, useraddr); | |
1627 | break; | |
29dd54b7 AC |
1628 | case ETHTOOL_SET_DUMP: |
1629 | rc = ethtool_set_dump(dev, useraddr); | |
1630 | break; | |
1631 | case ETHTOOL_GET_DUMP_FLAG: | |
1632 | rc = ethtool_get_dump_flag(dev, useraddr); | |
1633 | break; | |
1634 | case ETHTOOL_GET_DUMP_DATA: | |
1635 | rc = ethtool_get_dump_data(dev, useraddr); | |
1636 | break; | |
c8f3a8c3 RC |
1637 | case ETHTOOL_GET_TS_INFO: |
1638 | rc = ethtool_get_ts_info(dev, useraddr); | |
1639 | break; | |
41c3cb6d SH |
1640 | case ETHTOOL_GMODULEINFO: |
1641 | rc = ethtool_get_module_info(dev, useraddr); | |
1642 | break; | |
1643 | case ETHTOOL_GMODULEEEPROM: | |
1644 | rc = ethtool_get_module_eeprom(dev, useraddr); | |
1645 | break; | |
1da177e4 | 1646 | default: |
61a44b9c | 1647 | rc = -EOPNOTSUPP; |
1da177e4 | 1648 | } |
4ec93edb | 1649 | |
e71a4783 | 1650 | if (dev->ethtool_ops->complete) |
1da177e4 | 1651 | dev->ethtool_ops->complete(dev); |
d8a33ac4 SH |
1652 | |
1653 | if (old_features != dev->features) | |
1654 | netdev_features_change(dev); | |
1655 | ||
1da177e4 | 1656 | return rc; |
1da177e4 | 1657 | } |