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> | |
960fb622 | 28 | #include <linux/net.h> |
1da177e4 | 29 | |
4ec93edb | 30 | /* |
1da177e4 LT |
31 | * Some useful ethtool_ops methods that're device independent. |
32 | * If we find that all drivers want to do the same thing here, | |
33 | * we can turn these into dev_() function calls. | |
34 | */ | |
35 | ||
36 | u32 ethtool_op_get_link(struct net_device *dev) | |
37 | { | |
38 | return netif_carrier_ok(dev) ? 1 : 0; | |
39 | } | |
97f8aefb | 40 | EXPORT_SYMBOL(ethtool_op_get_link); |
1da177e4 | 41 | |
02eacbd0 RC |
42 | int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) |
43 | { | |
44 | info->so_timestamping = | |
45 | SOF_TIMESTAMPING_TX_SOFTWARE | | |
46 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
47 | SOF_TIMESTAMPING_SOFTWARE; | |
48 | info->phc_index = -1; | |
49 | return 0; | |
50 | } | |
51 | EXPORT_SYMBOL(ethtool_op_get_ts_info); | |
52 | ||
1da177e4 LT |
53 | /* Handlers for each ethtool command */ |
54 | ||
475414f6 | 55 | #define ETHTOOL_DEV_FEATURE_WORDS ((NETDEV_FEATURE_COUNT + 31) / 32) |
5455c699 | 56 | |
9d921549 MM |
57 | static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { |
58 | [NETIF_F_SG_BIT] = "tx-scatter-gather", | |
59 | [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", | |
9d921549 MM |
60 | [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", |
61 | [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", | |
62 | [NETIF_F_HIGHDMA_BIT] = "highdma", | |
63 | [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", | |
788dfcac | 64 | [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", |
9d921549 | 65 | |
788dfcac FLVC |
66 | [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", |
67 | [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", | |
2d6577f1 DM |
68 | [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", |
69 | [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", | |
70 | [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", | |
9d921549 MM |
71 | [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", |
72 | [NETIF_F_GSO_BIT] = "tx-generic-segmentation", | |
73 | [NETIF_F_LLTX_BIT] = "tx-lockless", | |
74 | [NETIF_F_NETNS_LOCAL_BIT] = "netns-local", | |
75 | [NETIF_F_GRO_BIT] = "rx-gro", | |
76 | [NETIF_F_LRO_BIT] = "rx-lro", | |
77 | ||
78 | [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", | |
79 | [NETIF_F_UFO_BIT] = "tx-udp-fragmentation", | |
80 | [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", | |
81 | [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", | |
82 | [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", | |
83 | [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", | |
68c33163 | 84 | [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", |
cb32f511 | 85 | [NETIF_F_GSO_IPIP_BIT] = "tx-ipip-segmentation", |
61c1db7f | 86 | [NETIF_F_GSO_SIT_BIT] = "tx-sit-segmentation", |
73136267 | 87 | [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", |
9d921549 MM |
88 | |
89 | [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", | |
90 | [NETIF_F_SCTP_CSUM_BIT] = "tx-checksum-sctp", | |
91 | [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu", | |
92 | [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", | |
93 | [NETIF_F_RXHASH_BIT] = "rx-hashing", | |
94 | [NETIF_F_RXCSUM_BIT] = "rx-checksum", | |
95 | [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", | |
96 | [NETIF_F_LOOPBACK_BIT] = "loopback", | |
36eabda3 | 97 | [NETIF_F_RXFCS_BIT] = "rx-fcs", |
5e0c03c8 | 98 | [NETIF_F_RXALL_BIT] = "rx-all", |
a6cc0cfa | 99 | [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", |
d0290214 | 100 | [NETIF_F_BUSY_POLL_BIT] = "busy-poll", |
9d921549 MM |
101 | }; |
102 | ||
892311f6 EP |
103 | static const char |
104 | rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { | |
105 | [ETH_RSS_HASH_TOP_BIT] = "toeplitz", | |
106 | [ETH_RSS_HASH_XOR_BIT] = "xor", | |
107 | }; | |
108 | ||
5455c699 MM |
109 | static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
110 | { | |
111 | struct ethtool_gfeatures cmd = { | |
112 | .cmd = ETHTOOL_GFEATURES, | |
113 | .size = ETHTOOL_DEV_FEATURE_WORDS, | |
114 | }; | |
475414f6 | 115 | struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
5455c699 MM |
116 | u32 __user *sizeaddr; |
117 | u32 copy_size; | |
475414f6 MM |
118 | int i; |
119 | ||
120 | /* in case feature bits run out again */ | |
09da71b1 | 121 | BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t)); |
475414f6 MM |
122 | |
123 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { | |
09da71b1 MM |
124 | features[i].available = (u32)(dev->hw_features >> (32 * i)); |
125 | features[i].requested = (u32)(dev->wanted_features >> (32 * i)); | |
126 | features[i].active = (u32)(dev->features >> (32 * i)); | |
127 | features[i].never_changed = | |
128 | (u32)(NETIF_F_NEVER_CHANGE >> (32 * i)); | |
475414f6 | 129 | } |
5455c699 MM |
130 | |
131 | sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); | |
132 | if (get_user(copy_size, sizeaddr)) | |
133 | return -EFAULT; | |
134 | ||
135 | if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) | |
136 | copy_size = ETHTOOL_DEV_FEATURE_WORDS; | |
137 | ||
138 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
139 | return -EFAULT; | |
140 | useraddr += sizeof(cmd); | |
141 | if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) | |
142 | return -EFAULT; | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | static int ethtool_set_features(struct net_device *dev, void __user *useraddr) | |
148 | { | |
149 | struct ethtool_sfeatures cmd; | |
150 | struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; | |
475414f6 MM |
151 | netdev_features_t wanted = 0, valid = 0; |
152 | int i, ret = 0; | |
5455c699 MM |
153 | |
154 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
155 | return -EFAULT; | |
156 | useraddr += sizeof(cmd); | |
157 | ||
158 | if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) | |
159 | return -EINVAL; | |
160 | ||
161 | if (copy_from_user(features, useraddr, sizeof(features))) | |
162 | return -EFAULT; | |
163 | ||
475414f6 | 164 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { |
09da71b1 MM |
165 | valid |= (netdev_features_t)features[i].valid << (32 * i); |
166 | wanted |= (netdev_features_t)features[i].requested << (32 * i); | |
475414f6 MM |
167 | } |
168 | ||
169 | if (valid & ~NETIF_F_ETHTOOL_BITS) | |
5455c699 MM |
170 | return -EINVAL; |
171 | ||
475414f6 MM |
172 | if (valid & ~dev->hw_features) { |
173 | valid &= dev->hw_features; | |
5455c699 MM |
174 | ret |= ETHTOOL_F_UNSUPPORTED; |
175 | } | |
176 | ||
475414f6 MM |
177 | dev->wanted_features &= ~valid; |
178 | dev->wanted_features |= wanted & valid; | |
6cb6a27c | 179 | __netdev_update_features(dev); |
5455c699 | 180 | |
475414f6 | 181 | if ((dev->wanted_features ^ dev->features) & valid) |
5455c699 MM |
182 | ret |= ETHTOOL_F_WISH; |
183 | ||
184 | return ret; | |
185 | } | |
186 | ||
340ae165 MM |
187 | static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
188 | { | |
189 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
190 | ||
5455c699 MM |
191 | if (sset == ETH_SS_FEATURES) |
192 | return ARRAY_SIZE(netdev_features_strings); | |
193 | ||
892311f6 EP |
194 | if (sset == ETH_SS_RSS_HASH_FUNCS) |
195 | return ARRAY_SIZE(rss_hash_func_strings); | |
196 | ||
c03a14e8 | 197 | if (ops->get_sset_count && ops->get_strings) |
340ae165 MM |
198 | return ops->get_sset_count(dev, sset); |
199 | else | |
200 | return -EOPNOTSUPP; | |
201 | } | |
202 | ||
203 | static void __ethtool_get_strings(struct net_device *dev, | |
204 | u32 stringset, u8 *data) | |
205 | { | |
206 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
207 | ||
5455c699 MM |
208 | if (stringset == ETH_SS_FEATURES) |
209 | memcpy(data, netdev_features_strings, | |
210 | sizeof(netdev_features_strings)); | |
892311f6 EP |
211 | else if (stringset == ETH_SS_RSS_HASH_FUNCS) |
212 | memcpy(data, rss_hash_func_strings, | |
213 | sizeof(rss_hash_func_strings)); | |
5455c699 MM |
214 | else |
215 | /* ops->get_strings is valid because checked earlier */ | |
216 | ops->get_strings(dev, stringset, data); | |
340ae165 MM |
217 | } |
218 | ||
c8f44aff | 219 | static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) |
0a417704 MM |
220 | { |
221 | /* feature masks of legacy discrete ethtool ops */ | |
222 | ||
223 | switch (eth_cmd) { | |
224 | case ETHTOOL_GTXCSUM: | |
225 | case ETHTOOL_STXCSUM: | |
226 | return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; | |
e83d360d MM |
227 | case ETHTOOL_GRXCSUM: |
228 | case ETHTOOL_SRXCSUM: | |
229 | return NETIF_F_RXCSUM; | |
0a417704 MM |
230 | case ETHTOOL_GSG: |
231 | case ETHTOOL_SSG: | |
232 | return NETIF_F_SG; | |
233 | case ETHTOOL_GTSO: | |
234 | case ETHTOOL_STSO: | |
235 | return NETIF_F_ALL_TSO; | |
236 | case ETHTOOL_GUFO: | |
237 | case ETHTOOL_SUFO: | |
238 | return NETIF_F_UFO; | |
239 | case ETHTOOL_GGSO: | |
240 | case ETHTOOL_SGSO: | |
241 | return NETIF_F_GSO; | |
242 | case ETHTOOL_GGRO: | |
243 | case ETHTOOL_SGRO: | |
244 | return NETIF_F_GRO; | |
245 | default: | |
246 | BUG(); | |
247 | } | |
248 | } | |
249 | ||
0a417704 MM |
250 | static int ethtool_get_one_feature(struct net_device *dev, |
251 | char __user *useraddr, u32 ethcmd) | |
252 | { | |
c8f44aff | 253 | netdev_features_t mask = ethtool_get_feature_mask(ethcmd); |
0a417704 MM |
254 | struct ethtool_value edata = { |
255 | .cmd = ethcmd, | |
86794881 | 256 | .data = !!(dev->features & mask), |
0a417704 | 257 | }; |
0a417704 | 258 | |
0a417704 MM |
259 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
260 | return -EFAULT; | |
261 | return 0; | |
262 | } | |
263 | ||
0a417704 MM |
264 | static int ethtool_set_one_feature(struct net_device *dev, |
265 | void __user *useraddr, u32 ethcmd) | |
266 | { | |
267 | struct ethtool_value edata; | |
c8f44aff | 268 | netdev_features_t mask; |
0a417704 MM |
269 | |
270 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
271 | return -EFAULT; | |
272 | ||
86794881 MM |
273 | mask = ethtool_get_feature_mask(ethcmd); |
274 | mask &= dev->hw_features; | |
bc5787c6 MM |
275 | if (!mask) |
276 | return -EOPNOTSUPP; | |
86794881 | 277 | |
bc5787c6 MM |
278 | if (edata.data) |
279 | dev->wanted_features |= mask; | |
280 | else | |
281 | dev->wanted_features &= ~mask; | |
86794881 | 282 | |
bc5787c6 | 283 | __netdev_update_features(dev); |
86794881 | 284 | |
bc5787c6 MM |
285 | return 0; |
286 | } | |
287 | ||
02b3a552 MM |
288 | #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ |
289 | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) | |
f646968f PM |
290 | #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \ |
291 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \ | |
292 | NETIF_F_RXHASH) | |
bc5787c6 MM |
293 | |
294 | static u32 __ethtool_get_flags(struct net_device *dev) | |
295 | { | |
02b3a552 MM |
296 | u32 flags = 0; |
297 | ||
8a73125c DF |
298 | if (dev->features & NETIF_F_LRO) |
299 | flags |= ETH_FLAG_LRO; | |
300 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) | |
301 | flags |= ETH_FLAG_RXVLAN; | |
302 | if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) | |
303 | flags |= ETH_FLAG_TXVLAN; | |
304 | if (dev->features & NETIF_F_NTUPLE) | |
305 | flags |= ETH_FLAG_NTUPLE; | |
306 | if (dev->features & NETIF_F_RXHASH) | |
307 | flags |= ETH_FLAG_RXHASH; | |
02b3a552 MM |
308 | |
309 | return flags; | |
0a417704 MM |
310 | } |
311 | ||
bc5787c6 | 312 | static int __ethtool_set_flags(struct net_device *dev, u32 data) |
da8ac86c | 313 | { |
c8f44aff | 314 | netdev_features_t features = 0, changed; |
da8ac86c | 315 | |
02b3a552 | 316 | if (data & ~ETH_ALL_FLAGS) |
da8ac86c MM |
317 | return -EINVAL; |
318 | ||
8a73125c DF |
319 | if (data & ETH_FLAG_LRO) |
320 | features |= NETIF_F_LRO; | |
321 | if (data & ETH_FLAG_RXVLAN) | |
322 | features |= NETIF_F_HW_VLAN_CTAG_RX; | |
323 | if (data & ETH_FLAG_TXVLAN) | |
324 | features |= NETIF_F_HW_VLAN_CTAG_TX; | |
325 | if (data & ETH_FLAG_NTUPLE) | |
326 | features |= NETIF_F_NTUPLE; | |
327 | if (data & ETH_FLAG_RXHASH) | |
328 | features |= NETIF_F_RXHASH; | |
02b3a552 | 329 | |
da8ac86c | 330 | /* allow changing only bits set in hw_features */ |
02b3a552 | 331 | changed = (features ^ dev->features) & ETH_ALL_FEATURES; |
da8ac86c MM |
332 | if (changed & ~dev->hw_features) |
333 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; | |
334 | ||
335 | dev->wanted_features = | |
02b3a552 | 336 | (dev->wanted_features & ~changed) | (features & changed); |
da8ac86c | 337 | |
6cb6a27c | 338 | __netdev_update_features(dev); |
da8ac86c MM |
339 | |
340 | return 0; | |
341 | } | |
342 | ||
4bc71cb9 | 343 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 | 344 | { |
4bc71cb9 | 345 | ASSERT_RTNL(); |
1da177e4 | 346 | |
c03a14e8 | 347 | if (!dev->ethtool_ops->get_settings) |
1da177e4 LT |
348 | return -EOPNOTSUPP; |
349 | ||
4bc71cb9 JP |
350 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
351 | cmd->cmd = ETHTOOL_GSET; | |
352 | return dev->ethtool_ops->get_settings(dev, cmd); | |
353 | } | |
354 | EXPORT_SYMBOL(__ethtool_get_settings); | |
355 | ||
356 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
357 | { | |
358 | int err; | |
359 | struct ethtool_cmd cmd; | |
360 | ||
18ec898e | 361 | err = __ethtool_get_settings(dev, &cmd); |
1da177e4 LT |
362 | if (err < 0) |
363 | return err; | |
364 | ||
365 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
366 | return -EFAULT; | |
367 | return 0; | |
368 | } | |
369 | ||
370 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
371 | { | |
372 | struct ethtool_cmd cmd; | |
373 | ||
374 | if (!dev->ethtool_ops->set_settings) | |
375 | return -EOPNOTSUPP; | |
376 | ||
377 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
378 | return -EFAULT; | |
379 | ||
380 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
381 | } | |
382 | ||
97f8aefb | 383 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
384 | void __user *useraddr) | |
1da177e4 LT |
385 | { |
386 | struct ethtool_drvinfo info; | |
76fd8593 | 387 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 388 | |
1da177e4 LT |
389 | memset(&info, 0, sizeof(info)); |
390 | info.cmd = ETHTOOL_GDRVINFO; | |
c03a14e8 | 391 | if (ops->get_drvinfo) { |
01414802 BH |
392 | ops->get_drvinfo(dev, &info); |
393 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
394 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
395 | sizeof(info.bus_info)); | |
396 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
397 | sizeof(info.driver)); | |
398 | } else { | |
399 | return -EOPNOTSUPP; | |
400 | } | |
1da177e4 | 401 | |
723b2f57 JG |
402 | /* |
403 | * this method of obtaining string set info is deprecated; | |
d17792eb | 404 | * Use ETHTOOL_GSSET_INFO instead. |
723b2f57 | 405 | */ |
c03a14e8 | 406 | if (ops->get_sset_count) { |
ff03d49f JG |
407 | int rc; |
408 | ||
409 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
410 | if (rc >= 0) | |
411 | info.testinfo_len = rc; | |
412 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
413 | if (rc >= 0) | |
414 | info.n_stats = rc; | |
339bf024 JG |
415 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
416 | if (rc >= 0) | |
417 | info.n_priv_flags = rc; | |
ff03d49f | 418 | } |
c03a14e8 | 419 | if (ops->get_regs_len) |
1da177e4 | 420 | info.regdump_len = ops->get_regs_len(dev); |
c03a14e8 | 421 | if (ops->get_eeprom_len) |
1da177e4 LT |
422 | info.eedump_len = ops->get_eeprom_len(dev); |
423 | ||
424 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
425 | return -EFAULT; | |
426 | return 0; | |
427 | } | |
428 | ||
f5c445ed | 429 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
97f8aefb | 430 | void __user *useraddr) |
723b2f57 JG |
431 | { |
432 | struct ethtool_sset_info info; | |
723b2f57 JG |
433 | u64 sset_mask; |
434 | int i, idx = 0, n_bits = 0, ret, rc; | |
435 | u32 *info_buf = NULL; | |
436 | ||
723b2f57 JG |
437 | if (copy_from_user(&info, useraddr, sizeof(info))) |
438 | return -EFAULT; | |
439 | ||
440 | /* store copy of mask, because we zero struct later on */ | |
441 | sset_mask = info.sset_mask; | |
442 | if (!sset_mask) | |
443 | return 0; | |
444 | ||
445 | /* calculate size of return buffer */ | |
d17792eb | 446 | n_bits = hweight64(sset_mask); |
723b2f57 JG |
447 | |
448 | memset(&info, 0, sizeof(info)); | |
449 | info.cmd = ETHTOOL_GSSET_INFO; | |
450 | ||
451 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
452 | if (!info_buf) | |
453 | return -ENOMEM; | |
454 | ||
455 | /* | |
456 | * fill return buffer based on input bitmask and successful | |
457 | * get_sset_count return | |
458 | */ | |
459 | for (i = 0; i < 64; i++) { | |
460 | if (!(sset_mask & (1ULL << i))) | |
461 | continue; | |
462 | ||
340ae165 | 463 | rc = __ethtool_get_sset_count(dev, i); |
723b2f57 JG |
464 | if (rc >= 0) { |
465 | info.sset_mask |= (1ULL << i); | |
466 | info_buf[idx++] = rc; | |
467 | } | |
468 | } | |
469 | ||
470 | ret = -EFAULT; | |
471 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
472 | goto out; | |
473 | ||
474 | useraddr += offsetof(struct ethtool_sset_info, data); | |
475 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
476 | goto out; | |
477 | ||
478 | ret = 0; | |
479 | ||
480 | out: | |
481 | kfree(info_buf); | |
482 | return ret; | |
483 | } | |
484 | ||
97f8aefb | 485 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
bf988435 | 486 | u32 cmd, void __user *useraddr) |
0853ad66 | 487 | { |
bf988435 BH |
488 | struct ethtool_rxnfc info; |
489 | size_t info_size = sizeof(info); | |
55664f32 | 490 | int rc; |
0853ad66 | 491 | |
59089d8d | 492 | if (!dev->ethtool_ops->set_rxnfc) |
0853ad66 SB |
493 | return -EOPNOTSUPP; |
494 | ||
bf988435 BH |
495 | /* struct ethtool_rxnfc was originally defined for |
496 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
497 | * members. User-space might still be using that | |
498 | * definition. */ | |
499 | if (cmd == ETHTOOL_SRXFH) | |
500 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
501 | sizeof(info.data)); | |
502 | ||
503 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
504 | return -EFAULT; |
505 | ||
55664f32 BH |
506 | rc = dev->ethtool_ops->set_rxnfc(dev, &info); |
507 | if (rc) | |
508 | return rc; | |
509 | ||
510 | if (cmd == ETHTOOL_SRXCLSRLINS && | |
511 | copy_to_user(useraddr, &info, info_size)) | |
512 | return -EFAULT; | |
513 | ||
514 | return 0; | |
0853ad66 SB |
515 | } |
516 | ||
97f8aefb | 517 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
bf988435 | 518 | u32 cmd, void __user *useraddr) |
0853ad66 SB |
519 | { |
520 | struct ethtool_rxnfc info; | |
bf988435 | 521 | size_t info_size = sizeof(info); |
59089d8d SB |
522 | const struct ethtool_ops *ops = dev->ethtool_ops; |
523 | int ret; | |
524 | void *rule_buf = NULL; | |
0853ad66 | 525 | |
59089d8d | 526 | if (!ops->get_rxnfc) |
0853ad66 SB |
527 | return -EOPNOTSUPP; |
528 | ||
bf988435 BH |
529 | /* struct ethtool_rxnfc was originally defined for |
530 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
531 | * members. User-space might still be using that | |
532 | * definition. */ | |
533 | if (cmd == ETHTOOL_GRXFH) | |
534 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
535 | sizeof(info.data)); | |
536 | ||
537 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
538 | return -EFAULT; |
539 | ||
59089d8d SB |
540 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
541 | if (info.rule_cnt > 0) { | |
db048b69 | 542 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
ae6df5f9 | 543 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
db048b69 | 544 | GFP_USER); |
59089d8d SB |
545 | if (!rule_buf) |
546 | return -ENOMEM; | |
547 | } | |
548 | } | |
0853ad66 | 549 | |
59089d8d SB |
550 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
551 | if (ret < 0) | |
552 | goto err_out; | |
553 | ||
554 | ret = -EFAULT; | |
bf988435 | 555 | if (copy_to_user(useraddr, &info, info_size)) |
59089d8d SB |
556 | goto err_out; |
557 | ||
558 | if (rule_buf) { | |
559 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
560 | if (copy_to_user(useraddr, rule_buf, | |
561 | info.rule_cnt * sizeof(u32))) | |
562 | goto err_out; | |
563 | } | |
564 | ret = 0; | |
565 | ||
566 | err_out: | |
c9caceca | 567 | kfree(rule_buf); |
59089d8d SB |
568 | |
569 | return ret; | |
0853ad66 SB |
570 | } |
571 | ||
3de0b592 VD |
572 | static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr, |
573 | struct ethtool_rxnfc *rx_rings, | |
574 | u32 size) | |
575 | { | |
fb95cd8d | 576 | int i; |
3de0b592 VD |
577 | |
578 | if (copy_from_user(indir, useraddr, size * sizeof(indir[0]))) | |
fb95cd8d | 579 | return -EFAULT; |
3de0b592 VD |
580 | |
581 | /* Validate ring indices */ | |
fb95cd8d BH |
582 | for (i = 0; i < size; i++) |
583 | if (indir[i] >= rx_rings->data) | |
584 | return -EINVAL; | |
585 | ||
586 | return 0; | |
3de0b592 VD |
587 | } |
588 | ||
960fb622 ED |
589 | u8 netdev_rss_key[NETDEV_RSS_KEY_LEN]; |
590 | ||
591 | void netdev_rss_key_fill(void *buffer, size_t len) | |
592 | { | |
593 | BUG_ON(len > sizeof(netdev_rss_key)); | |
594 | net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key)); | |
595 | memcpy(buffer, netdev_rss_key, len); | |
596 | } | |
597 | EXPORT_SYMBOL(netdev_rss_key_fill); | |
598 | ||
a5b6ee29 BH |
599 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
600 | void __user *useraddr) | |
601 | { | |
7850f63f BH |
602 | u32 user_size, dev_size; |
603 | u32 *indir; | |
a5b6ee29 BH |
604 | int ret; |
605 | ||
7850f63f | 606 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
fe62d001 | 607 | !dev->ethtool_ops->get_rxfh) |
7850f63f BH |
608 | return -EOPNOTSUPP; |
609 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
610 | if (dev_size == 0) | |
a5b6ee29 BH |
611 | return -EOPNOTSUPP; |
612 | ||
7850f63f | 613 | if (copy_from_user(&user_size, |
a5b6ee29 | 614 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 615 | sizeof(user_size))) |
a5b6ee29 BH |
616 | return -EFAULT; |
617 | ||
7850f63f BH |
618 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size), |
619 | &dev_size, sizeof(dev_size))) | |
620 | return -EFAULT; | |
621 | ||
622 | /* If the user buffer size is 0, this is just a query for the | |
623 | * device table size. Otherwise, if it's smaller than the | |
624 | * device table size it's an error. | |
625 | */ | |
626 | if (user_size < dev_size) | |
627 | return user_size == 0 ? 0 : -EINVAL; | |
628 | ||
629 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
630 | if (!indir) |
631 | return -ENOMEM; | |
632 | ||
892311f6 | 633 | ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL); |
a5b6ee29 BH |
634 | if (ret) |
635 | goto out; | |
636 | ||
7850f63f BH |
637 | if (copy_to_user(useraddr + |
638 | offsetof(struct ethtool_rxfh_indir, ring_index[0]), | |
639 | indir, dev_size * sizeof(indir[0]))) | |
a5b6ee29 BH |
640 | ret = -EFAULT; |
641 | ||
642 | out: | |
643 | kfree(indir); | |
644 | return ret; | |
645 | } | |
646 | ||
647 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
648 | void __user *useraddr) | |
649 | { | |
7850f63f BH |
650 | struct ethtool_rxnfc rx_rings; |
651 | u32 user_size, dev_size, i; | |
652 | u32 *indir; | |
c03a14e8 | 653 | const struct ethtool_ops *ops = dev->ethtool_ops; |
a5b6ee29 | 654 | int ret; |
3de0b592 | 655 | u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]); |
a5b6ee29 | 656 | |
fe62d001 | 657 | if (!ops->get_rxfh_indir_size || !ops->set_rxfh || |
c03a14e8 | 658 | !ops->get_rxnfc) |
7850f63f | 659 | return -EOPNOTSUPP; |
c03a14e8 JP |
660 | |
661 | dev_size = ops->get_rxfh_indir_size(dev); | |
7850f63f | 662 | if (dev_size == 0) |
a5b6ee29 BH |
663 | return -EOPNOTSUPP; |
664 | ||
7850f63f | 665 | if (copy_from_user(&user_size, |
a5b6ee29 | 666 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 667 | sizeof(user_size))) |
a5b6ee29 BH |
668 | return -EFAULT; |
669 | ||
278bc429 | 670 | if (user_size != 0 && user_size != dev_size) |
7850f63f BH |
671 | return -EINVAL; |
672 | ||
673 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
674 | if (!indir) |
675 | return -ENOMEM; | |
676 | ||
7850f63f | 677 | rx_rings.cmd = ETHTOOL_GRXRINGS; |
c03a14e8 | 678 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); |
7850f63f BH |
679 | if (ret) |
680 | goto out; | |
278bc429 BH |
681 | |
682 | if (user_size == 0) { | |
683 | for (i = 0; i < dev_size; i++) | |
684 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
685 | } else { | |
3de0b592 VD |
686 | ret = ethtool_copy_validate_indir(indir, |
687 | useraddr + ringidx_offset, | |
688 | &rx_rings, | |
689 | dev_size); | |
690 | if (ret) | |
691 | goto out; | |
692 | } | |
693 | ||
892311f6 | 694 | ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE); |
3de0b592 VD |
695 | |
696 | out: | |
697 | kfree(indir); | |
698 | return ret; | |
699 | } | |
700 | ||
701 | static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev, | |
702 | void __user *useraddr) | |
703 | { | |
704 | int ret; | |
705 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
f062a384 | 706 | u32 user_indir_size, user_key_size; |
3de0b592 | 707 | u32 dev_indir_size = 0, dev_key_size = 0; |
f062a384 | 708 | struct ethtool_rxfh rxfh; |
3de0b592 | 709 | u32 total_size; |
f062a384 | 710 | u32 indir_bytes; |
3de0b592 | 711 | u32 *indir = NULL; |
892311f6 | 712 | u8 dev_hfunc = 0; |
3de0b592 VD |
713 | u8 *hkey = NULL; |
714 | u8 *rss_config; | |
715 | ||
892311f6 | 716 | if (!ops->get_rxfh) |
3de0b592 VD |
717 | return -EOPNOTSUPP; |
718 | ||
719 | if (ops->get_rxfh_indir_size) | |
720 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 VD |
721 | if (ops->get_rxfh_key_size) |
722 | dev_key_size = ops->get_rxfh_key_size(dev); | |
723 | ||
f062a384 | 724 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 | 725 | return -EFAULT; |
f062a384 BH |
726 | user_indir_size = rxfh.indir_size; |
727 | user_key_size = rxfh.key_size; | |
3de0b592 | 728 | |
f062a384 | 729 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
730 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
731 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
732 | return -EINVAL; |
733 | ||
734 | rxfh.indir_size = dev_indir_size; | |
735 | rxfh.key_size = dev_key_size; | |
736 | if (copy_to_user(useraddr, &rxfh, sizeof(rxfh))) | |
3de0b592 VD |
737 | return -EFAULT; |
738 | ||
3de0b592 VD |
739 | if ((user_indir_size && (user_indir_size != dev_indir_size)) || |
740 | (user_key_size && (user_key_size != dev_key_size))) | |
741 | return -EINVAL; | |
742 | ||
743 | indir_bytes = user_indir_size * sizeof(indir[0]); | |
744 | total_size = indir_bytes + user_key_size; | |
745 | rss_config = kzalloc(total_size, GFP_USER); | |
746 | if (!rss_config) | |
747 | return -ENOMEM; | |
748 | ||
749 | if (user_indir_size) | |
750 | indir = (u32 *)rss_config; | |
751 | ||
752 | if (user_key_size) | |
753 | hkey = rss_config + indir_bytes; | |
754 | ||
892311f6 EP |
755 | ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc); |
756 | if (ret) | |
757 | goto out; | |
3de0b592 | 758 | |
892311f6 EP |
759 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc), |
760 | &dev_hfunc, sizeof(rxfh.hfunc))) { | |
761 | ret = -EFAULT; | |
762 | } else if (copy_to_user(useraddr + | |
763 | offsetof(struct ethtool_rxfh, rss_config[0]), | |
764 | rss_config, total_size)) { | |
765 | ret = -EFAULT; | |
766 | } | |
767 | out: | |
3de0b592 VD |
768 | kfree(rss_config); |
769 | ||
770 | return ret; | |
771 | } | |
772 | ||
773 | static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev, | |
774 | void __user *useraddr) | |
775 | { | |
776 | int ret; | |
777 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
778 | struct ethtool_rxnfc rx_rings; | |
f062a384 BH |
779 | struct ethtool_rxfh rxfh; |
780 | u32 dev_indir_size = 0, dev_key_size = 0, i; | |
3de0b592 VD |
781 | u32 *indir = NULL, indir_bytes = 0; |
782 | u8 *hkey = NULL; | |
783 | u8 *rss_config; | |
3de0b592 VD |
784 | u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]); |
785 | ||
892311f6 | 786 | if (!ops->get_rxnfc || !ops->set_rxfh) |
3de0b592 VD |
787 | return -EOPNOTSUPP; |
788 | ||
789 | if (ops->get_rxfh_indir_size) | |
790 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 | 791 | if (ops->get_rxfh_key_size) |
d340c862 | 792 | dev_key_size = ops->get_rxfh_key_size(dev); |
3de0b592 | 793 | |
f062a384 | 794 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 VD |
795 | return -EFAULT; |
796 | ||
f062a384 | 797 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
798 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
799 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
800 | return -EINVAL; |
801 | ||
892311f6 EP |
802 | /* If either indir, hash key or function is valid, proceed further. |
803 | * Must request at least one change: indir size, hash key or function. | |
3de0b592 | 804 | */ |
f062a384 BH |
805 | if ((rxfh.indir_size && |
806 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE && | |
807 | rxfh.indir_size != dev_indir_size) || | |
808 | (rxfh.key_size && (rxfh.key_size != dev_key_size)) || | |
809 | (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE && | |
892311f6 | 810 | rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE)) |
3de0b592 VD |
811 | return -EINVAL; |
812 | ||
f062a384 | 813 | if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) |
3de0b592 VD |
814 | indir_bytes = dev_indir_size * sizeof(indir[0]); |
815 | ||
f062a384 | 816 | rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER); |
3de0b592 VD |
817 | if (!rss_config) |
818 | return -ENOMEM; | |
819 | ||
820 | rx_rings.cmd = ETHTOOL_GRXRINGS; | |
821 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); | |
822 | if (ret) | |
823 | goto out; | |
824 | ||
f062a384 BH |
825 | /* rxfh.indir_size == 0 means reset the indir table to default. |
826 | * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged. | |
3de0b592 | 827 | */ |
f062a384 BH |
828 | if (rxfh.indir_size && |
829 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) { | |
3de0b592 VD |
830 | indir = (u32 *)rss_config; |
831 | ret = ethtool_copy_validate_indir(indir, | |
832 | useraddr + rss_cfg_offset, | |
833 | &rx_rings, | |
f062a384 | 834 | rxfh.indir_size); |
3de0b592 | 835 | if (ret) |
7850f63f | 836 | goto out; |
f062a384 | 837 | } else if (rxfh.indir_size == 0) { |
3de0b592 VD |
838 | indir = (u32 *)rss_config; |
839 | for (i = 0; i < dev_indir_size; i++) | |
840 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
841 | } | |
278bc429 | 842 | |
f062a384 | 843 | if (rxfh.key_size) { |
3de0b592 VD |
844 | hkey = rss_config + indir_bytes; |
845 | if (copy_from_user(hkey, | |
846 | useraddr + rss_cfg_offset + indir_bytes, | |
f062a384 | 847 | rxfh.key_size)) { |
3de0b592 VD |
848 | ret = -EFAULT; |
849 | goto out; | |
278bc429 | 850 | } |
7850f63f BH |
851 | } |
852 | ||
892311f6 | 853 | ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc); |
a5b6ee29 BH |
854 | |
855 | out: | |
3de0b592 | 856 | kfree(rss_config); |
a5b6ee29 BH |
857 | return ret; |
858 | } | |
859 | ||
1da177e4 LT |
860 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
861 | { | |
862 | struct ethtool_regs regs; | |
76fd8593 | 863 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 LT |
864 | void *regbuf; |
865 | int reglen, ret; | |
866 | ||
867 | if (!ops->get_regs || !ops->get_regs_len) | |
868 | return -EOPNOTSUPP; | |
869 | ||
870 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
871 | return -EFAULT; | |
872 | ||
873 | reglen = ops->get_regs_len(dev); | |
874 | if (regs.len > reglen) | |
875 | regs.len = reglen; | |
876 | ||
b7c7d01a | 877 | regbuf = vzalloc(reglen); |
67ae7cf1 | 878 | if (reglen && !regbuf) |
1da177e4 LT |
879 | return -ENOMEM; |
880 | ||
881 | ops->get_regs(dev, ®s, regbuf); | |
882 | ||
883 | ret = -EFAULT; | |
884 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
885 | goto out; | |
886 | useraddr += offsetof(struct ethtool_regs, data); | |
67ae7cf1 | 887 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
1da177e4 LT |
888 | goto out; |
889 | ret = 0; | |
890 | ||
891 | out: | |
a77f5db3 | 892 | vfree(regbuf); |
1da177e4 LT |
893 | return ret; |
894 | } | |
895 | ||
d73d3a8c BH |
896 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
897 | { | |
898 | struct ethtool_value reset; | |
899 | int ret; | |
900 | ||
901 | if (!dev->ethtool_ops->reset) | |
902 | return -EOPNOTSUPP; | |
903 | ||
904 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
905 | return -EFAULT; | |
906 | ||
907 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
908 | if (ret) | |
909 | return ret; | |
910 | ||
911 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
912 | return -EFAULT; | |
913 | return 0; | |
914 | } | |
915 | ||
1da177e4 LT |
916 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
917 | { | |
8e557421 | 918 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
1da177e4 LT |
919 | |
920 | if (!dev->ethtool_ops->get_wol) | |
921 | return -EOPNOTSUPP; | |
922 | ||
923 | dev->ethtool_ops->get_wol(dev, &wol); | |
924 | ||
925 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
926 | return -EFAULT; | |
927 | return 0; | |
928 | } | |
929 | ||
930 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
931 | { | |
932 | struct ethtool_wolinfo wol; | |
933 | ||
934 | if (!dev->ethtool_ops->set_wol) | |
935 | return -EOPNOTSUPP; | |
936 | ||
937 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
938 | return -EFAULT; | |
939 | ||
940 | return dev->ethtool_ops->set_wol(dev, &wol); | |
941 | } | |
942 | ||
80f12ecc YM |
943 | static int ethtool_get_eee(struct net_device *dev, char __user *useraddr) |
944 | { | |
945 | struct ethtool_eee edata; | |
946 | int rc; | |
947 | ||
948 | if (!dev->ethtool_ops->get_eee) | |
949 | return -EOPNOTSUPP; | |
950 | ||
951 | memset(&edata, 0, sizeof(struct ethtool_eee)); | |
952 | edata.cmd = ETHTOOL_GEEE; | |
953 | rc = dev->ethtool_ops->get_eee(dev, &edata); | |
954 | ||
955 | if (rc) | |
956 | return rc; | |
957 | ||
958 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
959 | return -EFAULT; | |
960 | ||
961 | return 0; | |
962 | } | |
963 | ||
964 | static int ethtool_set_eee(struct net_device *dev, char __user *useraddr) | |
965 | { | |
966 | struct ethtool_eee edata; | |
967 | ||
968 | if (!dev->ethtool_ops->set_eee) | |
969 | return -EOPNOTSUPP; | |
970 | ||
971 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
972 | return -EFAULT; | |
973 | ||
974 | return dev->ethtool_ops->set_eee(dev, &edata); | |
975 | } | |
976 | ||
1da177e4 LT |
977 | static int ethtool_nway_reset(struct net_device *dev) |
978 | { | |
979 | if (!dev->ethtool_ops->nway_reset) | |
980 | return -EOPNOTSUPP; | |
981 | ||
982 | return dev->ethtool_ops->nway_reset(dev); | |
983 | } | |
984 | ||
e596e6e4 BH |
985 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
986 | { | |
987 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; | |
988 | ||
989 | if (!dev->ethtool_ops->get_link) | |
990 | return -EOPNOTSUPP; | |
991 | ||
992 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); | |
993 | ||
994 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
995 | return -EFAULT; | |
996 | return 0; | |
997 | } | |
998 | ||
081d094e BH |
999 | static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, |
1000 | int (*getter)(struct net_device *, | |
1001 | struct ethtool_eeprom *, u8 *), | |
1002 | u32 total_len) | |
1da177e4 LT |
1003 | { |
1004 | struct ethtool_eeprom eeprom; | |
b131dd5d MSB |
1005 | void __user *userbuf = useraddr + sizeof(eeprom); |
1006 | u32 bytes_remaining; | |
1da177e4 | 1007 | u8 *data; |
b131dd5d | 1008 | int ret = 0; |
1da177e4 | 1009 | |
1da177e4 LT |
1010 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
1011 | return -EFAULT; | |
1012 | ||
1013 | /* Check for wrap and zero */ | |
1014 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1015 | return -EINVAL; | |
1016 | ||
1017 | /* Check for exceeding total eeprom len */ | |
081d094e | 1018 | if (eeprom.offset + eeprom.len > total_len) |
1da177e4 LT |
1019 | return -EINVAL; |
1020 | ||
b131dd5d | 1021 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1022 | if (!data) |
1023 | return -ENOMEM; | |
1024 | ||
b131dd5d MSB |
1025 | bytes_remaining = eeprom.len; |
1026 | while (bytes_remaining > 0) { | |
1027 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1028 | ||
081d094e | 1029 | ret = getter(dev, &eeprom, data); |
b131dd5d MSB |
1030 | if (ret) |
1031 | break; | |
1032 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
1033 | ret = -EFAULT; | |
1034 | break; | |
1035 | } | |
1036 | userbuf += eeprom.len; | |
1037 | eeprom.offset += eeprom.len; | |
1038 | bytes_remaining -= eeprom.len; | |
1039 | } | |
1da177e4 | 1040 | |
c5835df9 MSB |
1041 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
1042 | eeprom.offset -= eeprom.len; | |
1043 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
1044 | ret = -EFAULT; | |
1045 | ||
1da177e4 LT |
1046 | kfree(data); |
1047 | return ret; | |
1048 | } | |
1049 | ||
081d094e BH |
1050 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
1051 | { | |
1052 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1053 | ||
e0fb6fb6 GR |
1054 | if (!ops->get_eeprom || !ops->get_eeprom_len || |
1055 | !ops->get_eeprom_len(dev)) | |
081d094e BH |
1056 | return -EOPNOTSUPP; |
1057 | ||
1058 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom, | |
1059 | ops->get_eeprom_len(dev)); | |
1060 | } | |
1061 | ||
1da177e4 LT |
1062 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
1063 | { | |
1064 | struct ethtool_eeprom eeprom; | |
76fd8593 | 1065 | const struct ethtool_ops *ops = dev->ethtool_ops; |
b131dd5d MSB |
1066 | void __user *userbuf = useraddr + sizeof(eeprom); |
1067 | u32 bytes_remaining; | |
1da177e4 | 1068 | u8 *data; |
b131dd5d | 1069 | int ret = 0; |
1da177e4 | 1070 | |
e0fb6fb6 GR |
1071 | if (!ops->set_eeprom || !ops->get_eeprom_len || |
1072 | !ops->get_eeprom_len(dev)) | |
1da177e4 LT |
1073 | return -EOPNOTSUPP; |
1074 | ||
1075 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
1076 | return -EFAULT; | |
1077 | ||
1078 | /* Check for wrap and zero */ | |
1079 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1080 | return -EINVAL; | |
1081 | ||
1082 | /* Check for exceeding total eeprom len */ | |
1083 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
1084 | return -EINVAL; | |
1085 | ||
b131dd5d | 1086 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1087 | if (!data) |
1088 | return -ENOMEM; | |
1089 | ||
b131dd5d MSB |
1090 | bytes_remaining = eeprom.len; |
1091 | while (bytes_remaining > 0) { | |
1092 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1093 | ||
1094 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
1095 | ret = -EFAULT; | |
1096 | break; | |
1097 | } | |
1098 | ret = ops->set_eeprom(dev, &eeprom, data); | |
1099 | if (ret) | |
1100 | break; | |
1101 | userbuf += eeprom.len; | |
1102 | eeprom.offset += eeprom.len; | |
1103 | bytes_remaining -= eeprom.len; | |
1104 | } | |
1da177e4 | 1105 | |
1da177e4 LT |
1106 | kfree(data); |
1107 | return ret; | |
1108 | } | |
1109 | ||
97f8aefb | 1110 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
1111 | void __user *useraddr) | |
1da177e4 | 1112 | { |
8e557421 | 1113 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
1da177e4 LT |
1114 | |
1115 | if (!dev->ethtool_ops->get_coalesce) | |
1116 | return -EOPNOTSUPP; | |
1117 | ||
1118 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
1119 | ||
1120 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
1121 | return -EFAULT; | |
1122 | return 0; | |
1123 | } | |
1124 | ||
97f8aefb | 1125 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
1126 | void __user *useraddr) | |
1da177e4 LT |
1127 | { |
1128 | struct ethtool_coalesce coalesce; | |
1129 | ||
fa04ae5c | 1130 | if (!dev->ethtool_ops->set_coalesce) |
1da177e4 LT |
1131 | return -EOPNOTSUPP; |
1132 | ||
1133 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
1134 | return -EFAULT; | |
1135 | ||
1136 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
1137 | } | |
1138 | ||
1139 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
1140 | { | |
8e557421 | 1141 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
1da177e4 LT |
1142 | |
1143 | if (!dev->ethtool_ops->get_ringparam) | |
1144 | return -EOPNOTSUPP; | |
1145 | ||
1146 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
1147 | ||
1148 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
1149 | return -EFAULT; | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
1154 | { | |
1155 | struct ethtool_ringparam ringparam; | |
1156 | ||
1157 | if (!dev->ethtool_ops->set_ringparam) | |
1158 | return -EOPNOTSUPP; | |
1159 | ||
1160 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
1161 | return -EFAULT; | |
1162 | ||
1163 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
1164 | } | |
1165 | ||
8b5933c3 | 1166 | static noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
1167 | void __user *useraddr) | |
1168 | { | |
1169 | struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; | |
1170 | ||
1171 | if (!dev->ethtool_ops->get_channels) | |
1172 | return -EOPNOTSUPP; | |
1173 | ||
1174 | dev->ethtool_ops->get_channels(dev, &channels); | |
1175 | ||
1176 | if (copy_to_user(useraddr, &channels, sizeof(channels))) | |
1177 | return -EFAULT; | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | static noinline_for_stack int ethtool_set_channels(struct net_device *dev, | |
1182 | void __user *useraddr) | |
1183 | { | |
1184 | struct ethtool_channels channels; | |
1185 | ||
1186 | if (!dev->ethtool_ops->set_channels) | |
1187 | return -EOPNOTSUPP; | |
1188 | ||
1189 | if (copy_from_user(&channels, useraddr, sizeof(channels))) | |
1190 | return -EFAULT; | |
1191 | ||
1192 | return dev->ethtool_ops->set_channels(dev, &channels); | |
1193 | } | |
1194 | ||
1da177e4 LT |
1195 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) |
1196 | { | |
1197 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
1198 | ||
1199 | if (!dev->ethtool_ops->get_pauseparam) | |
1200 | return -EOPNOTSUPP; | |
1201 | ||
1202 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
1203 | ||
1204 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
1205 | return -EFAULT; | |
1206 | return 0; | |
1207 | } | |
1208 | ||
1209 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
1210 | { | |
1211 | struct ethtool_pauseparam pauseparam; | |
1212 | ||
e1b90c41 | 1213 | if (!dev->ethtool_ops->set_pauseparam) |
1da177e4 LT |
1214 | return -EOPNOTSUPP; |
1215 | ||
1216 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
1217 | return -EFAULT; | |
1218 | ||
1219 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
1220 | } | |
1221 | ||
1da177e4 LT |
1222 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
1223 | { | |
1224 | struct ethtool_test test; | |
76fd8593 | 1225 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1226 | u64 *data; |
ff03d49f | 1227 | int ret, test_len; |
1da177e4 | 1228 | |
a9828ec6 | 1229 | if (!ops->self_test || !ops->get_sset_count) |
1da177e4 LT |
1230 | return -EOPNOTSUPP; |
1231 | ||
a9828ec6 | 1232 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
ff03d49f JG |
1233 | if (test_len < 0) |
1234 | return test_len; | |
1235 | WARN_ON(test_len == 0); | |
1236 | ||
1da177e4 LT |
1237 | if (copy_from_user(&test, useraddr, sizeof(test))) |
1238 | return -EFAULT; | |
1239 | ||
ff03d49f JG |
1240 | test.len = test_len; |
1241 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1242 | if (!data) |
1243 | return -ENOMEM; | |
1244 | ||
1245 | ops->self_test(dev, &test, data); | |
1246 | ||
1247 | ret = -EFAULT; | |
1248 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1249 | goto out; | |
1250 | useraddr += sizeof(test); | |
1251 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1252 | goto out; | |
1253 | ret = 0; | |
1254 | ||
1255 | out: | |
1256 | kfree(data); | |
1257 | return ret; | |
1258 | } | |
1259 | ||
1260 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1261 | { | |
1262 | struct ethtool_gstrings gstrings; | |
1da177e4 LT |
1263 | u8 *data; |
1264 | int ret; | |
1265 | ||
1da177e4 LT |
1266 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
1267 | return -EFAULT; | |
1268 | ||
340ae165 | 1269 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
a9828ec6 BH |
1270 | if (ret < 0) |
1271 | return ret; | |
1272 | ||
1273 | gstrings.len = ret; | |
1da177e4 LT |
1274 | |
1275 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
1276 | if (!data) | |
1277 | return -ENOMEM; | |
1278 | ||
340ae165 | 1279 | __ethtool_get_strings(dev, gstrings.string_set, data); |
1da177e4 LT |
1280 | |
1281 | ret = -EFAULT; | |
1282 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1283 | goto out; | |
1284 | useraddr += sizeof(gstrings); | |
1285 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1286 | goto out; | |
1287 | ret = 0; | |
1288 | ||
340ae165 | 1289 | out: |
1da177e4 LT |
1290 | kfree(data); |
1291 | return ret; | |
1292 | } | |
1293 | ||
1294 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1295 | { | |
1296 | struct ethtool_value id; | |
68f512f2 | 1297 | static bool busy; |
c03a14e8 | 1298 | const struct ethtool_ops *ops = dev->ethtool_ops; |
68f512f2 | 1299 | int rc; |
1da177e4 | 1300 | |
c03a14e8 | 1301 | if (!ops->set_phys_id) |
1da177e4 LT |
1302 | return -EOPNOTSUPP; |
1303 | ||
68f512f2 BH |
1304 | if (busy) |
1305 | return -EBUSY; | |
1306 | ||
1da177e4 LT |
1307 | if (copy_from_user(&id, useraddr, sizeof(id))) |
1308 | return -EFAULT; | |
1309 | ||
c03a14e8 | 1310 | rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
fce55922 | 1311 | if (rc < 0) |
68f512f2 BH |
1312 | return rc; |
1313 | ||
1314 | /* Drop the RTNL lock while waiting, but prevent reentry or | |
1315 | * removal of the device. | |
1316 | */ | |
1317 | busy = true; | |
1318 | dev_hold(dev); | |
1319 | rtnl_unlock(); | |
1320 | ||
1321 | if (rc == 0) { | |
1322 | /* Driver will handle this itself */ | |
1323 | schedule_timeout_interruptible( | |
143780c6 | 1324 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
68f512f2 | 1325 | } else { |
fce55922 AB |
1326 | /* Driver expects to be called at twice the frequency in rc */ |
1327 | int n = rc * 2, i, interval = HZ / n; | |
1328 | ||
1329 | /* Count down seconds */ | |
68f512f2 | 1330 | do { |
fce55922 AB |
1331 | /* Count down iterations per second */ |
1332 | i = n; | |
1333 | do { | |
1334 | rtnl_lock(); | |
c03a14e8 | 1335 | rc = ops->set_phys_id(dev, |
fce55922 AB |
1336 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
1337 | rtnl_unlock(); | |
1338 | if (rc) | |
1339 | break; | |
1340 | schedule_timeout_interruptible(interval); | |
1341 | } while (!signal_pending(current) && --i != 0); | |
68f512f2 BH |
1342 | } while (!signal_pending(current) && |
1343 | (id.data == 0 || --id.data != 0)); | |
1344 | } | |
1345 | ||
1346 | rtnl_lock(); | |
1347 | dev_put(dev); | |
1348 | busy = false; | |
1349 | ||
c03a14e8 | 1350 | (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
68f512f2 | 1351 | return rc; |
1da177e4 LT |
1352 | } |
1353 | ||
1354 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1355 | { | |
1356 | struct ethtool_stats stats; | |
76fd8593 | 1357 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1358 | u64 *data; |
ff03d49f | 1359 | int ret, n_stats; |
1da177e4 | 1360 | |
a9828ec6 | 1361 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
1da177e4 LT |
1362 | return -EOPNOTSUPP; |
1363 | ||
a9828ec6 | 1364 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
ff03d49f JG |
1365 | if (n_stats < 0) |
1366 | return n_stats; | |
1367 | WARN_ON(n_stats == 0); | |
1368 | ||
1da177e4 LT |
1369 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
1370 | return -EFAULT; | |
1371 | ||
ff03d49f JG |
1372 | stats.n_stats = n_stats; |
1373 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1374 | if (!data) |
1375 | return -ENOMEM; | |
1376 | ||
1377 | ops->get_ethtool_stats(dev, &stats, data); | |
1378 | ||
1379 | ret = -EFAULT; | |
1380 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1381 | goto out; | |
1382 | useraddr += sizeof(stats); | |
1383 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1384 | goto out; | |
1385 | ret = 0; | |
1386 | ||
1387 | out: | |
1388 | kfree(data); | |
1389 | return ret; | |
1390 | } | |
1391 | ||
0bf0519d | 1392 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
a6f9a705 JW |
1393 | { |
1394 | struct ethtool_perm_addr epaddr; | |
a6f9a705 | 1395 | |
313674af | 1396 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
a6f9a705 JW |
1397 | return -EFAULT; |
1398 | ||
313674af MW |
1399 | if (epaddr.size < dev->addr_len) |
1400 | return -ETOOSMALL; | |
1401 | epaddr.size = dev->addr_len; | |
a6f9a705 | 1402 | |
a6f9a705 | 1403 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
313674af | 1404 | return -EFAULT; |
a6f9a705 | 1405 | useraddr += sizeof(epaddr); |
313674af MW |
1406 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
1407 | return -EFAULT; | |
1408 | return 0; | |
a6f9a705 JW |
1409 | } |
1410 | ||
13c99b24 JG |
1411 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
1412 | u32 cmd, u32 (*actor)(struct net_device *)) | |
3ae7c0b2 | 1413 | { |
8e557421 | 1414 | struct ethtool_value edata = { .cmd = cmd }; |
3ae7c0b2 | 1415 | |
13c99b24 | 1416 | if (!actor) |
3ae7c0b2 JG |
1417 | return -EOPNOTSUPP; |
1418 | ||
13c99b24 | 1419 | edata.data = actor(dev); |
3ae7c0b2 JG |
1420 | |
1421 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1422 | return -EFAULT; | |
1423 | return 0; | |
1424 | } | |
1425 | ||
13c99b24 JG |
1426 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
1427 | void (*actor)(struct net_device *, u32)) | |
3ae7c0b2 JG |
1428 | { |
1429 | struct ethtool_value edata; | |
1430 | ||
13c99b24 | 1431 | if (!actor) |
3ae7c0b2 JG |
1432 | return -EOPNOTSUPP; |
1433 | ||
1434 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1435 | return -EFAULT; | |
1436 | ||
13c99b24 | 1437 | actor(dev, edata.data); |
339bf024 JG |
1438 | return 0; |
1439 | } | |
1440 | ||
13c99b24 JG |
1441 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
1442 | int (*actor)(struct net_device *, u32)) | |
339bf024 JG |
1443 | { |
1444 | struct ethtool_value edata; | |
1445 | ||
13c99b24 | 1446 | if (!actor) |
339bf024 JG |
1447 | return -EOPNOTSUPP; |
1448 | ||
1449 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1450 | return -EFAULT; | |
1451 | ||
13c99b24 | 1452 | return actor(dev, edata.data); |
339bf024 JG |
1453 | } |
1454 | ||
97f8aefb | 1455 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
1456 | char __user *useraddr) | |
05c6a8d7 AK |
1457 | { |
1458 | struct ethtool_flash efl; | |
1459 | ||
1460 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1461 | return -EFAULT; | |
1462 | ||
1463 | if (!dev->ethtool_ops->flash_device) | |
1464 | return -EOPNOTSUPP; | |
1465 | ||
786f5281 BH |
1466 | efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; |
1467 | ||
05c6a8d7 AK |
1468 | return dev->ethtool_ops->flash_device(dev, &efl); |
1469 | } | |
1470 | ||
29dd54b7 AC |
1471 | static int ethtool_set_dump(struct net_device *dev, |
1472 | void __user *useraddr) | |
1473 | { | |
1474 | struct ethtool_dump dump; | |
1475 | ||
1476 | if (!dev->ethtool_ops->set_dump) | |
1477 | return -EOPNOTSUPP; | |
1478 | ||
1479 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1480 | return -EFAULT; | |
1481 | ||
1482 | return dev->ethtool_ops->set_dump(dev, &dump); | |
1483 | } | |
1484 | ||
1485 | static int ethtool_get_dump_flag(struct net_device *dev, | |
1486 | void __user *useraddr) | |
1487 | { | |
1488 | int ret; | |
1489 | struct ethtool_dump dump; | |
1490 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1491 | ||
c03a14e8 | 1492 | if (!ops->get_dump_flag) |
29dd54b7 AC |
1493 | return -EOPNOTSUPP; |
1494 | ||
1495 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1496 | return -EFAULT; | |
1497 | ||
1498 | ret = ops->get_dump_flag(dev, &dump); | |
1499 | if (ret) | |
1500 | return ret; | |
1501 | ||
1502 | if (copy_to_user(useraddr, &dump, sizeof(dump))) | |
1503 | return -EFAULT; | |
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | static int ethtool_get_dump_data(struct net_device *dev, | |
1508 | void __user *useraddr) | |
1509 | { | |
1510 | int ret; | |
1511 | __u32 len; | |
1512 | struct ethtool_dump dump, tmp; | |
1513 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1514 | void *data = NULL; | |
1515 | ||
c03a14e8 | 1516 | if (!ops->get_dump_data || !ops->get_dump_flag) |
29dd54b7 AC |
1517 | return -EOPNOTSUPP; |
1518 | ||
1519 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1520 | return -EFAULT; | |
1521 | ||
1522 | memset(&tmp, 0, sizeof(tmp)); | |
1523 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; | |
1524 | ret = ops->get_dump_flag(dev, &tmp); | |
1525 | if (ret) | |
1526 | return ret; | |
1527 | ||
c590b5e2 | 1528 | len = min(tmp.len, dump.len); |
29dd54b7 AC |
1529 | if (!len) |
1530 | return -EFAULT; | |
1531 | ||
c590b5e2 MS |
1532 | /* Don't ever let the driver think there's more space available |
1533 | * than it requested with .get_dump_flag(). | |
1534 | */ | |
1535 | dump.len = len; | |
1536 | ||
1537 | /* Always allocate enough space to hold the whole thing so that the | |
1538 | * driver does not need to check the length and bother with partial | |
1539 | * dumping. | |
1540 | */ | |
29dd54b7 AC |
1541 | data = vzalloc(tmp.len); |
1542 | if (!data) | |
1543 | return -ENOMEM; | |
1544 | ret = ops->get_dump_data(dev, &dump, data); | |
1545 | if (ret) | |
1546 | goto out; | |
1547 | ||
c590b5e2 MS |
1548 | /* There are two sane possibilities: |
1549 | * 1. The driver's .get_dump_data() does not touch dump.len. | |
1550 | * 2. Or it may set dump.len to how much it really writes, which | |
1551 | * should be tmp.len (or len if it can do a partial dump). | |
1552 | * In any case respond to userspace with the actual length of data | |
1553 | * it's receiving. | |
1554 | */ | |
1555 | WARN_ON(dump.len != len && dump.len != tmp.len); | |
1556 | dump.len = len; | |
1557 | ||
29dd54b7 AC |
1558 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { |
1559 | ret = -EFAULT; | |
1560 | goto out; | |
1561 | } | |
1562 | useraddr += offsetof(struct ethtool_dump, data); | |
1563 | if (copy_to_user(useraddr, data, len)) | |
1564 | ret = -EFAULT; | |
1565 | out: | |
1566 | vfree(data); | |
1567 | return ret; | |
1568 | } | |
1569 | ||
c8f3a8c3 RC |
1570 | static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr) |
1571 | { | |
1572 | int err = 0; | |
1573 | struct ethtool_ts_info info; | |
1574 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1575 | struct phy_device *phydev = dev->phydev; | |
1576 | ||
1577 | memset(&info, 0, sizeof(info)); | |
1578 | info.cmd = ETHTOOL_GET_TS_INFO; | |
1579 | ||
1580 | if (phydev && phydev->drv && phydev->drv->ts_info) { | |
c8f3a8c3 | 1581 | err = phydev->drv->ts_info(phydev, &info); |
c03a14e8 | 1582 | } else if (ops->get_ts_info) { |
c8f3a8c3 | 1583 | err = ops->get_ts_info(dev, &info); |
c8f3a8c3 RC |
1584 | } else { |
1585 | info.so_timestamping = | |
1586 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1587 | SOF_TIMESTAMPING_SOFTWARE; | |
1588 | info.phc_index = -1; | |
1589 | } | |
1590 | ||
1591 | if (err) | |
1592 | return err; | |
1593 | ||
1594 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
1595 | err = -EFAULT; | |
1596 | ||
1597 | return err; | |
1598 | } | |
1599 | ||
2f438366 ES |
1600 | static int __ethtool_get_module_info(struct net_device *dev, |
1601 | struct ethtool_modinfo *modinfo) | |
1602 | { | |
1603 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1604 | struct phy_device *phydev = dev->phydev; | |
1605 | ||
1606 | if (phydev && phydev->drv && phydev->drv->module_info) | |
1607 | return phydev->drv->module_info(phydev, modinfo); | |
1608 | ||
1609 | if (ops->get_module_info) | |
1610 | return ops->get_module_info(dev, modinfo); | |
1611 | ||
1612 | return -EOPNOTSUPP; | |
1613 | } | |
1614 | ||
41c3cb6d SH |
1615 | static int ethtool_get_module_info(struct net_device *dev, |
1616 | void __user *useraddr) | |
1617 | { | |
1618 | int ret; | |
1619 | struct ethtool_modinfo modinfo; | |
41c3cb6d SH |
1620 | |
1621 | if (copy_from_user(&modinfo, useraddr, sizeof(modinfo))) | |
1622 | return -EFAULT; | |
1623 | ||
2f438366 | 1624 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1625 | if (ret) |
1626 | return ret; | |
1627 | ||
1628 | if (copy_to_user(useraddr, &modinfo, sizeof(modinfo))) | |
1629 | return -EFAULT; | |
1630 | ||
1631 | return 0; | |
1632 | } | |
1633 | ||
2f438366 ES |
1634 | static int __ethtool_get_module_eeprom(struct net_device *dev, |
1635 | struct ethtool_eeprom *ee, u8 *data) | |
1636 | { | |
1637 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1638 | struct phy_device *phydev = dev->phydev; | |
1639 | ||
1640 | if (phydev && phydev->drv && phydev->drv->module_eeprom) | |
1641 | return phydev->drv->module_eeprom(phydev, ee, data); | |
1642 | ||
1643 | if (ops->get_module_eeprom) | |
1644 | return ops->get_module_eeprom(dev, ee, data); | |
1645 | ||
1646 | return -EOPNOTSUPP; | |
1647 | } | |
1648 | ||
41c3cb6d SH |
1649 | static int ethtool_get_module_eeprom(struct net_device *dev, |
1650 | void __user *useraddr) | |
1651 | { | |
1652 | int ret; | |
1653 | struct ethtool_modinfo modinfo; | |
41c3cb6d | 1654 | |
2f438366 | 1655 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1656 | if (ret) |
1657 | return ret; | |
1658 | ||
2f438366 ES |
1659 | return ethtool_get_any_eeprom(dev, useraddr, |
1660 | __ethtool_get_module_eeprom, | |
41c3cb6d SH |
1661 | modinfo.eeprom_len); |
1662 | } | |
1663 | ||
f0db9b07 GV |
1664 | static int ethtool_tunable_valid(const struct ethtool_tunable *tuna) |
1665 | { | |
1666 | switch (tuna->id) { | |
1667 | case ETHTOOL_RX_COPYBREAK: | |
1255a505 | 1668 | case ETHTOOL_TX_COPYBREAK: |
f0db9b07 GV |
1669 | if (tuna->len != sizeof(u32) || |
1670 | tuna->type_id != ETHTOOL_TUNABLE_U32) | |
1671 | return -EINVAL; | |
1672 | break; | |
1673 | default: | |
1674 | return -EINVAL; | |
1675 | } | |
1676 | ||
1677 | return 0; | |
1678 | } | |
1679 | ||
1680 | static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr) | |
1681 | { | |
1682 | int ret; | |
1683 | struct ethtool_tunable tuna; | |
1684 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1685 | void *data; | |
1686 | ||
1687 | if (!ops->get_tunable) | |
1688 | return -EOPNOTSUPP; | |
1689 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1690 | return -EFAULT; | |
1691 | ret = ethtool_tunable_valid(&tuna); | |
1692 | if (ret) | |
1693 | return ret; | |
1694 | data = kmalloc(tuna.len, GFP_USER); | |
1695 | if (!data) | |
1696 | return -ENOMEM; | |
1697 | ret = ops->get_tunable(dev, &tuna, data); | |
1698 | if (ret) | |
1699 | goto out; | |
1700 | useraddr += sizeof(tuna); | |
1701 | ret = -EFAULT; | |
1702 | if (copy_to_user(useraddr, data, tuna.len)) | |
1703 | goto out; | |
1704 | ret = 0; | |
1705 | ||
1706 | out: | |
1707 | kfree(data); | |
1708 | return ret; | |
1709 | } | |
1710 | ||
1711 | static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr) | |
1712 | { | |
1713 | int ret; | |
1714 | struct ethtool_tunable tuna; | |
1715 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1716 | void *data; | |
1717 | ||
1718 | if (!ops->set_tunable) | |
1719 | return -EOPNOTSUPP; | |
1720 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1721 | return -EFAULT; | |
1722 | ret = ethtool_tunable_valid(&tuna); | |
1723 | if (ret) | |
1724 | return ret; | |
1725 | data = kmalloc(tuna.len, GFP_USER); | |
1726 | if (!data) | |
1727 | return -ENOMEM; | |
1728 | useraddr += sizeof(tuna); | |
1729 | ret = -EFAULT; | |
1730 | if (copy_from_user(data, useraddr, tuna.len)) | |
1731 | goto out; | |
1732 | ret = ops->set_tunable(dev, &tuna, data); | |
1733 | ||
1734 | out: | |
1735 | kfree(data); | |
1736 | return ret; | |
1737 | } | |
1738 | ||
600fed5e | 1739 | /* The main entry point in this file. Called from net/core/dev_ioctl.c */ |
1da177e4 | 1740 | |
881d966b | 1741 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
1da177e4 | 1742 | { |
881d966b | 1743 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
1da177e4 LT |
1744 | void __user *useraddr = ifr->ifr_data; |
1745 | u32 ethcmd; | |
1746 | int rc; | |
b29d3145 | 1747 | netdev_features_t old_features; |
1da177e4 | 1748 | |
1da177e4 LT |
1749 | if (!dev || !netif_device_present(dev)) |
1750 | return -ENODEV; | |
1751 | ||
97f8aefb | 1752 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
1da177e4 LT |
1753 | return -EFAULT; |
1754 | ||
75f3123c | 1755 | /* Allow some commands to be done by anyone */ |
97f8aefb | 1756 | switch (ethcmd) { |
0fdc100b | 1757 | case ETHTOOL_GSET: |
75f3123c | 1758 | case ETHTOOL_GDRVINFO: |
75f3123c | 1759 | case ETHTOOL_GMSGLVL: |
2da45db2 | 1760 | case ETHTOOL_GLINK: |
75f3123c SH |
1761 | case ETHTOOL_GCOALESCE: |
1762 | case ETHTOOL_GRINGPARAM: | |
1763 | case ETHTOOL_GPAUSEPARAM: | |
1764 | case ETHTOOL_GRXCSUM: | |
1765 | case ETHTOOL_GTXCSUM: | |
1766 | case ETHTOOL_GSG: | |
f80400a2 | 1767 | case ETHTOOL_GSSET_INFO: |
75f3123c | 1768 | case ETHTOOL_GSTRINGS: |
2da45db2 | 1769 | case ETHTOOL_GSTATS: |
75f3123c SH |
1770 | case ETHTOOL_GTSO: |
1771 | case ETHTOOL_GPERMADDR: | |
1772 | case ETHTOOL_GUFO: | |
1773 | case ETHTOOL_GGSO: | |
1cab819b | 1774 | case ETHTOOL_GGRO: |
339bf024 JG |
1775 | case ETHTOOL_GFLAGS: |
1776 | case ETHTOOL_GPFLAGS: | |
0853ad66 | 1777 | case ETHTOOL_GRXFH: |
59089d8d SB |
1778 | case ETHTOOL_GRXRINGS: |
1779 | case ETHTOOL_GRXCLSRLCNT: | |
1780 | case ETHTOOL_GRXCLSRULE: | |
1781 | case ETHTOOL_GRXCLSRLALL: | |
2da45db2 | 1782 | case ETHTOOL_GRXFHINDIR: |
3de0b592 | 1783 | case ETHTOOL_GRSSH: |
5455c699 | 1784 | case ETHTOOL_GFEATURES: |
2da45db2 | 1785 | case ETHTOOL_GCHANNELS: |
c8f3a8c3 | 1786 | case ETHTOOL_GET_TS_INFO: |
2da45db2 | 1787 | case ETHTOOL_GEEE: |
f0db9b07 | 1788 | case ETHTOOL_GTUNABLE: |
75f3123c SH |
1789 | break; |
1790 | default: | |
5e1fccc0 | 1791 | if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
75f3123c SH |
1792 | return -EPERM; |
1793 | } | |
1794 | ||
97f8aefb | 1795 | if (dev->ethtool_ops->begin) { |
1796 | rc = dev->ethtool_ops->begin(dev); | |
1797 | if (rc < 0) | |
1da177e4 | 1798 | return rc; |
97f8aefb | 1799 | } |
d8a33ac4 SH |
1800 | old_features = dev->features; |
1801 | ||
1da177e4 LT |
1802 | switch (ethcmd) { |
1803 | case ETHTOOL_GSET: | |
1804 | rc = ethtool_get_settings(dev, useraddr); | |
1805 | break; | |
1806 | case ETHTOOL_SSET: | |
1807 | rc = ethtool_set_settings(dev, useraddr); | |
1808 | break; | |
1809 | case ETHTOOL_GDRVINFO: | |
1810 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1da177e4 LT |
1811 | break; |
1812 | case ETHTOOL_GREGS: | |
1813 | rc = ethtool_get_regs(dev, useraddr); | |
1814 | break; | |
1815 | case ETHTOOL_GWOL: | |
1816 | rc = ethtool_get_wol(dev, useraddr); | |
1817 | break; | |
1818 | case ETHTOOL_SWOL: | |
1819 | rc = ethtool_set_wol(dev, useraddr); | |
1820 | break; | |
1821 | case ETHTOOL_GMSGLVL: | |
13c99b24 JG |
1822 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1823 | dev->ethtool_ops->get_msglevel); | |
1da177e4 LT |
1824 | break; |
1825 | case ETHTOOL_SMSGLVL: | |
13c99b24 JG |
1826 | rc = ethtool_set_value_void(dev, useraddr, |
1827 | dev->ethtool_ops->set_msglevel); | |
1da177e4 | 1828 | break; |
80f12ecc YM |
1829 | case ETHTOOL_GEEE: |
1830 | rc = ethtool_get_eee(dev, useraddr); | |
1831 | break; | |
1832 | case ETHTOOL_SEEE: | |
1833 | rc = ethtool_set_eee(dev, useraddr); | |
1834 | break; | |
1da177e4 LT |
1835 | case ETHTOOL_NWAY_RST: |
1836 | rc = ethtool_nway_reset(dev); | |
1837 | break; | |
1838 | case ETHTOOL_GLINK: | |
e596e6e4 | 1839 | rc = ethtool_get_link(dev, useraddr); |
1da177e4 LT |
1840 | break; |
1841 | case ETHTOOL_GEEPROM: | |
1842 | rc = ethtool_get_eeprom(dev, useraddr); | |
1843 | break; | |
1844 | case ETHTOOL_SEEPROM: | |
1845 | rc = ethtool_set_eeprom(dev, useraddr); | |
1846 | break; | |
1847 | case ETHTOOL_GCOALESCE: | |
1848 | rc = ethtool_get_coalesce(dev, useraddr); | |
1849 | break; | |
1850 | case ETHTOOL_SCOALESCE: | |
1851 | rc = ethtool_set_coalesce(dev, useraddr); | |
1852 | break; | |
1853 | case ETHTOOL_GRINGPARAM: | |
1854 | rc = ethtool_get_ringparam(dev, useraddr); | |
1855 | break; | |
1856 | case ETHTOOL_SRINGPARAM: | |
1857 | rc = ethtool_set_ringparam(dev, useraddr); | |
1858 | break; | |
1859 | case ETHTOOL_GPAUSEPARAM: | |
1860 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1861 | break; | |
1862 | case ETHTOOL_SPAUSEPARAM: | |
1863 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1864 | break; | |
1da177e4 LT |
1865 | case ETHTOOL_TEST: |
1866 | rc = ethtool_self_test(dev, useraddr); | |
1867 | break; | |
1868 | case ETHTOOL_GSTRINGS: | |
1869 | rc = ethtool_get_strings(dev, useraddr); | |
1870 | break; | |
1871 | case ETHTOOL_PHYS_ID: | |
1872 | rc = ethtool_phys_id(dev, useraddr); | |
1873 | break; | |
1874 | case ETHTOOL_GSTATS: | |
1875 | rc = ethtool_get_stats(dev, useraddr); | |
1876 | break; | |
a6f9a705 JW |
1877 | case ETHTOOL_GPERMADDR: |
1878 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1879 | break; | |
3ae7c0b2 | 1880 | case ETHTOOL_GFLAGS: |
13c99b24 | 1881 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
bc5787c6 | 1882 | __ethtool_get_flags); |
3ae7c0b2 JG |
1883 | break; |
1884 | case ETHTOOL_SFLAGS: | |
da8ac86c | 1885 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
3ae7c0b2 | 1886 | break; |
339bf024 | 1887 | case ETHTOOL_GPFLAGS: |
13c99b24 JG |
1888 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1889 | dev->ethtool_ops->get_priv_flags); | |
339bf024 JG |
1890 | break; |
1891 | case ETHTOOL_SPFLAGS: | |
13c99b24 JG |
1892 | rc = ethtool_set_value(dev, useraddr, |
1893 | dev->ethtool_ops->set_priv_flags); | |
339bf024 | 1894 | break; |
0853ad66 | 1895 | case ETHTOOL_GRXFH: |
59089d8d SB |
1896 | case ETHTOOL_GRXRINGS: |
1897 | case ETHTOOL_GRXCLSRLCNT: | |
1898 | case ETHTOOL_GRXCLSRULE: | |
1899 | case ETHTOOL_GRXCLSRLALL: | |
bf988435 | 1900 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
0853ad66 SB |
1901 | break; |
1902 | case ETHTOOL_SRXFH: | |
59089d8d SB |
1903 | case ETHTOOL_SRXCLSRLDEL: |
1904 | case ETHTOOL_SRXCLSRLINS: | |
bf988435 | 1905 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
0853ad66 | 1906 | break; |
05c6a8d7 AK |
1907 | case ETHTOOL_FLASHDEV: |
1908 | rc = ethtool_flash_device(dev, useraddr); | |
1909 | break; | |
d73d3a8c BH |
1910 | case ETHTOOL_RESET: |
1911 | rc = ethtool_reset(dev, useraddr); | |
1912 | break; | |
723b2f57 JG |
1913 | case ETHTOOL_GSSET_INFO: |
1914 | rc = ethtool_get_sset_info(dev, useraddr); | |
1915 | break; | |
a5b6ee29 BH |
1916 | case ETHTOOL_GRXFHINDIR: |
1917 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1918 | break; | |
1919 | case ETHTOOL_SRXFHINDIR: | |
1920 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1921 | break; | |
3de0b592 VD |
1922 | case ETHTOOL_GRSSH: |
1923 | rc = ethtool_get_rxfh(dev, useraddr); | |
1924 | break; | |
1925 | case ETHTOOL_SRSSH: | |
1926 | rc = ethtool_set_rxfh(dev, useraddr); | |
1927 | break; | |
5455c699 MM |
1928 | case ETHTOOL_GFEATURES: |
1929 | rc = ethtool_get_features(dev, useraddr); | |
1930 | break; | |
1931 | case ETHTOOL_SFEATURES: | |
1932 | rc = ethtool_set_features(dev, useraddr); | |
1933 | break; | |
0a417704 | 1934 | case ETHTOOL_GTXCSUM: |
e83d360d | 1935 | case ETHTOOL_GRXCSUM: |
0a417704 MM |
1936 | case ETHTOOL_GSG: |
1937 | case ETHTOOL_GTSO: | |
1938 | case ETHTOOL_GUFO: | |
1939 | case ETHTOOL_GGSO: | |
1940 | case ETHTOOL_GGRO: | |
1941 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); | |
1942 | break; | |
1943 | case ETHTOOL_STXCSUM: | |
e83d360d | 1944 | case ETHTOOL_SRXCSUM: |
0a417704 MM |
1945 | case ETHTOOL_SSG: |
1946 | case ETHTOOL_STSO: | |
1947 | case ETHTOOL_SUFO: | |
1948 | case ETHTOOL_SGSO: | |
1949 | case ETHTOOL_SGRO: | |
1950 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); | |
1951 | break; | |
8b5933c3 | 1952 | case ETHTOOL_GCHANNELS: |
1953 | rc = ethtool_get_channels(dev, useraddr); | |
1954 | break; | |
1955 | case ETHTOOL_SCHANNELS: | |
1956 | rc = ethtool_set_channels(dev, useraddr); | |
1957 | break; | |
29dd54b7 AC |
1958 | case ETHTOOL_SET_DUMP: |
1959 | rc = ethtool_set_dump(dev, useraddr); | |
1960 | break; | |
1961 | case ETHTOOL_GET_DUMP_FLAG: | |
1962 | rc = ethtool_get_dump_flag(dev, useraddr); | |
1963 | break; | |
1964 | case ETHTOOL_GET_DUMP_DATA: | |
1965 | rc = ethtool_get_dump_data(dev, useraddr); | |
1966 | break; | |
c8f3a8c3 RC |
1967 | case ETHTOOL_GET_TS_INFO: |
1968 | rc = ethtool_get_ts_info(dev, useraddr); | |
1969 | break; | |
41c3cb6d SH |
1970 | case ETHTOOL_GMODULEINFO: |
1971 | rc = ethtool_get_module_info(dev, useraddr); | |
1972 | break; | |
1973 | case ETHTOOL_GMODULEEEPROM: | |
1974 | rc = ethtool_get_module_eeprom(dev, useraddr); | |
1975 | break; | |
f0db9b07 GV |
1976 | case ETHTOOL_GTUNABLE: |
1977 | rc = ethtool_get_tunable(dev, useraddr); | |
1978 | break; | |
1979 | case ETHTOOL_STUNABLE: | |
1980 | rc = ethtool_set_tunable(dev, useraddr); | |
1981 | break; | |
1da177e4 | 1982 | default: |
61a44b9c | 1983 | rc = -EOPNOTSUPP; |
1da177e4 | 1984 | } |
4ec93edb | 1985 | |
e71a4783 | 1986 | if (dev->ethtool_ops->complete) |
1da177e4 | 1987 | dev->ethtool_ops->complete(dev); |
d8a33ac4 SH |
1988 | |
1989 | if (old_features != dev->features) | |
1990 | netdev_features_change(dev); | |
1991 | ||
1da177e4 | 1992 | return rc; |
1da177e4 | 1993 | } |