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", |
65e9256c | 101 | [NETIF_F_HW_SWITCH_OFFLOAD_BIT] = "hw-switch-offload", |
9d921549 MM |
102 | }; |
103 | ||
892311f6 EP |
104 | static const char |
105 | rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { | |
106 | [ETH_RSS_HASH_TOP_BIT] = "toeplitz", | |
107 | [ETH_RSS_HASH_XOR_BIT] = "xor", | |
108 | }; | |
109 | ||
5455c699 MM |
110 | static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
111 | { | |
112 | struct ethtool_gfeatures cmd = { | |
113 | .cmd = ETHTOOL_GFEATURES, | |
114 | .size = ETHTOOL_DEV_FEATURE_WORDS, | |
115 | }; | |
475414f6 | 116 | struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
5455c699 MM |
117 | u32 __user *sizeaddr; |
118 | u32 copy_size; | |
475414f6 MM |
119 | int i; |
120 | ||
121 | /* in case feature bits run out again */ | |
09da71b1 | 122 | BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t)); |
475414f6 MM |
123 | |
124 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { | |
09da71b1 MM |
125 | features[i].available = (u32)(dev->hw_features >> (32 * i)); |
126 | features[i].requested = (u32)(dev->wanted_features >> (32 * i)); | |
127 | features[i].active = (u32)(dev->features >> (32 * i)); | |
128 | features[i].never_changed = | |
129 | (u32)(NETIF_F_NEVER_CHANGE >> (32 * i)); | |
475414f6 | 130 | } |
5455c699 MM |
131 | |
132 | sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); | |
133 | if (get_user(copy_size, sizeaddr)) | |
134 | return -EFAULT; | |
135 | ||
136 | if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) | |
137 | copy_size = ETHTOOL_DEV_FEATURE_WORDS; | |
138 | ||
139 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
140 | return -EFAULT; | |
141 | useraddr += sizeof(cmd); | |
142 | if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) | |
143 | return -EFAULT; | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static int ethtool_set_features(struct net_device *dev, void __user *useraddr) | |
149 | { | |
150 | struct ethtool_sfeatures cmd; | |
151 | struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; | |
475414f6 MM |
152 | netdev_features_t wanted = 0, valid = 0; |
153 | int i, ret = 0; | |
5455c699 MM |
154 | |
155 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
156 | return -EFAULT; | |
157 | useraddr += sizeof(cmd); | |
158 | ||
159 | if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) | |
160 | return -EINVAL; | |
161 | ||
162 | if (copy_from_user(features, useraddr, sizeof(features))) | |
163 | return -EFAULT; | |
164 | ||
475414f6 | 165 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { |
09da71b1 MM |
166 | valid |= (netdev_features_t)features[i].valid << (32 * i); |
167 | wanted |= (netdev_features_t)features[i].requested << (32 * i); | |
475414f6 MM |
168 | } |
169 | ||
170 | if (valid & ~NETIF_F_ETHTOOL_BITS) | |
5455c699 MM |
171 | return -EINVAL; |
172 | ||
475414f6 MM |
173 | if (valid & ~dev->hw_features) { |
174 | valid &= dev->hw_features; | |
5455c699 MM |
175 | ret |= ETHTOOL_F_UNSUPPORTED; |
176 | } | |
177 | ||
475414f6 MM |
178 | dev->wanted_features &= ~valid; |
179 | dev->wanted_features |= wanted & valid; | |
6cb6a27c | 180 | __netdev_update_features(dev); |
5455c699 | 181 | |
475414f6 | 182 | if ((dev->wanted_features ^ dev->features) & valid) |
5455c699 MM |
183 | ret |= ETHTOOL_F_WISH; |
184 | ||
185 | return ret; | |
186 | } | |
187 | ||
340ae165 MM |
188 | static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
189 | { | |
190 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
191 | ||
5455c699 MM |
192 | if (sset == ETH_SS_FEATURES) |
193 | return ARRAY_SIZE(netdev_features_strings); | |
194 | ||
892311f6 EP |
195 | if (sset == ETH_SS_RSS_HASH_FUNCS) |
196 | return ARRAY_SIZE(rss_hash_func_strings); | |
197 | ||
c03a14e8 | 198 | if (ops->get_sset_count && ops->get_strings) |
340ae165 MM |
199 | return ops->get_sset_count(dev, sset); |
200 | else | |
201 | return -EOPNOTSUPP; | |
202 | } | |
203 | ||
204 | static void __ethtool_get_strings(struct net_device *dev, | |
205 | u32 stringset, u8 *data) | |
206 | { | |
207 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
208 | ||
5455c699 MM |
209 | if (stringset == ETH_SS_FEATURES) |
210 | memcpy(data, netdev_features_strings, | |
211 | sizeof(netdev_features_strings)); | |
892311f6 EP |
212 | else if (stringset == ETH_SS_RSS_HASH_FUNCS) |
213 | memcpy(data, rss_hash_func_strings, | |
214 | sizeof(rss_hash_func_strings)); | |
5455c699 MM |
215 | else |
216 | /* ops->get_strings is valid because checked earlier */ | |
217 | ops->get_strings(dev, stringset, data); | |
340ae165 MM |
218 | } |
219 | ||
c8f44aff | 220 | static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) |
0a417704 MM |
221 | { |
222 | /* feature masks of legacy discrete ethtool ops */ | |
223 | ||
224 | switch (eth_cmd) { | |
225 | case ETHTOOL_GTXCSUM: | |
226 | case ETHTOOL_STXCSUM: | |
227 | return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; | |
e83d360d MM |
228 | case ETHTOOL_GRXCSUM: |
229 | case ETHTOOL_SRXCSUM: | |
230 | return NETIF_F_RXCSUM; | |
0a417704 MM |
231 | case ETHTOOL_GSG: |
232 | case ETHTOOL_SSG: | |
233 | return NETIF_F_SG; | |
234 | case ETHTOOL_GTSO: | |
235 | case ETHTOOL_STSO: | |
236 | return NETIF_F_ALL_TSO; | |
237 | case ETHTOOL_GUFO: | |
238 | case ETHTOOL_SUFO: | |
239 | return NETIF_F_UFO; | |
240 | case ETHTOOL_GGSO: | |
241 | case ETHTOOL_SGSO: | |
242 | return NETIF_F_GSO; | |
243 | case ETHTOOL_GGRO: | |
244 | case ETHTOOL_SGRO: | |
245 | return NETIF_F_GRO; | |
246 | default: | |
247 | BUG(); | |
248 | } | |
249 | } | |
250 | ||
0a417704 MM |
251 | static int ethtool_get_one_feature(struct net_device *dev, |
252 | char __user *useraddr, u32 ethcmd) | |
253 | { | |
c8f44aff | 254 | netdev_features_t mask = ethtool_get_feature_mask(ethcmd); |
0a417704 MM |
255 | struct ethtool_value edata = { |
256 | .cmd = ethcmd, | |
86794881 | 257 | .data = !!(dev->features & mask), |
0a417704 | 258 | }; |
0a417704 | 259 | |
0a417704 MM |
260 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
261 | return -EFAULT; | |
262 | return 0; | |
263 | } | |
264 | ||
0a417704 MM |
265 | static int ethtool_set_one_feature(struct net_device *dev, |
266 | void __user *useraddr, u32 ethcmd) | |
267 | { | |
268 | struct ethtool_value edata; | |
c8f44aff | 269 | netdev_features_t mask; |
0a417704 MM |
270 | |
271 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
272 | return -EFAULT; | |
273 | ||
86794881 MM |
274 | mask = ethtool_get_feature_mask(ethcmd); |
275 | mask &= dev->hw_features; | |
bc5787c6 MM |
276 | if (!mask) |
277 | return -EOPNOTSUPP; | |
86794881 | 278 | |
bc5787c6 MM |
279 | if (edata.data) |
280 | dev->wanted_features |= mask; | |
281 | else | |
282 | dev->wanted_features &= ~mask; | |
86794881 | 283 | |
bc5787c6 | 284 | __netdev_update_features(dev); |
86794881 | 285 | |
bc5787c6 MM |
286 | return 0; |
287 | } | |
288 | ||
02b3a552 MM |
289 | #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ |
290 | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) | |
f646968f PM |
291 | #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \ |
292 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \ | |
293 | NETIF_F_RXHASH) | |
bc5787c6 MM |
294 | |
295 | static u32 __ethtool_get_flags(struct net_device *dev) | |
296 | { | |
02b3a552 MM |
297 | u32 flags = 0; |
298 | ||
8a73125c DF |
299 | if (dev->features & NETIF_F_LRO) |
300 | flags |= ETH_FLAG_LRO; | |
301 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) | |
302 | flags |= ETH_FLAG_RXVLAN; | |
303 | if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) | |
304 | flags |= ETH_FLAG_TXVLAN; | |
305 | if (dev->features & NETIF_F_NTUPLE) | |
306 | flags |= ETH_FLAG_NTUPLE; | |
307 | if (dev->features & NETIF_F_RXHASH) | |
308 | flags |= ETH_FLAG_RXHASH; | |
02b3a552 MM |
309 | |
310 | return flags; | |
0a417704 MM |
311 | } |
312 | ||
bc5787c6 | 313 | static int __ethtool_set_flags(struct net_device *dev, u32 data) |
da8ac86c | 314 | { |
c8f44aff | 315 | netdev_features_t features = 0, changed; |
da8ac86c | 316 | |
02b3a552 | 317 | if (data & ~ETH_ALL_FLAGS) |
da8ac86c MM |
318 | return -EINVAL; |
319 | ||
8a73125c DF |
320 | if (data & ETH_FLAG_LRO) |
321 | features |= NETIF_F_LRO; | |
322 | if (data & ETH_FLAG_RXVLAN) | |
323 | features |= NETIF_F_HW_VLAN_CTAG_RX; | |
324 | if (data & ETH_FLAG_TXVLAN) | |
325 | features |= NETIF_F_HW_VLAN_CTAG_TX; | |
326 | if (data & ETH_FLAG_NTUPLE) | |
327 | features |= NETIF_F_NTUPLE; | |
328 | if (data & ETH_FLAG_RXHASH) | |
329 | features |= NETIF_F_RXHASH; | |
02b3a552 | 330 | |
da8ac86c | 331 | /* allow changing only bits set in hw_features */ |
02b3a552 | 332 | changed = (features ^ dev->features) & ETH_ALL_FEATURES; |
da8ac86c MM |
333 | if (changed & ~dev->hw_features) |
334 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; | |
335 | ||
336 | dev->wanted_features = | |
02b3a552 | 337 | (dev->wanted_features & ~changed) | (features & changed); |
da8ac86c | 338 | |
6cb6a27c | 339 | __netdev_update_features(dev); |
da8ac86c MM |
340 | |
341 | return 0; | |
342 | } | |
343 | ||
4bc71cb9 | 344 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 | 345 | { |
4bc71cb9 | 346 | ASSERT_RTNL(); |
1da177e4 | 347 | |
c03a14e8 | 348 | if (!dev->ethtool_ops->get_settings) |
1da177e4 LT |
349 | return -EOPNOTSUPP; |
350 | ||
4bc71cb9 JP |
351 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
352 | cmd->cmd = ETHTOOL_GSET; | |
353 | return dev->ethtool_ops->get_settings(dev, cmd); | |
354 | } | |
355 | EXPORT_SYMBOL(__ethtool_get_settings); | |
356 | ||
357 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
358 | { | |
359 | int err; | |
360 | struct ethtool_cmd cmd; | |
361 | ||
18ec898e | 362 | err = __ethtool_get_settings(dev, &cmd); |
1da177e4 LT |
363 | if (err < 0) |
364 | return err; | |
365 | ||
366 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
367 | return -EFAULT; | |
368 | return 0; | |
369 | } | |
370 | ||
371 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
372 | { | |
373 | struct ethtool_cmd cmd; | |
374 | ||
375 | if (!dev->ethtool_ops->set_settings) | |
376 | return -EOPNOTSUPP; | |
377 | ||
378 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
379 | return -EFAULT; | |
380 | ||
381 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
382 | } | |
383 | ||
97f8aefb | 384 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
385 | void __user *useraddr) | |
1da177e4 LT |
386 | { |
387 | struct ethtool_drvinfo info; | |
76fd8593 | 388 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 389 | |
1da177e4 LT |
390 | memset(&info, 0, sizeof(info)); |
391 | info.cmd = ETHTOOL_GDRVINFO; | |
c03a14e8 | 392 | if (ops->get_drvinfo) { |
01414802 BH |
393 | ops->get_drvinfo(dev, &info); |
394 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
395 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
396 | sizeof(info.bus_info)); | |
397 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
398 | sizeof(info.driver)); | |
399 | } else { | |
400 | return -EOPNOTSUPP; | |
401 | } | |
1da177e4 | 402 | |
723b2f57 JG |
403 | /* |
404 | * this method of obtaining string set info is deprecated; | |
d17792eb | 405 | * Use ETHTOOL_GSSET_INFO instead. |
723b2f57 | 406 | */ |
c03a14e8 | 407 | if (ops->get_sset_count) { |
ff03d49f JG |
408 | int rc; |
409 | ||
410 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
411 | if (rc >= 0) | |
412 | info.testinfo_len = rc; | |
413 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
414 | if (rc >= 0) | |
415 | info.n_stats = rc; | |
339bf024 JG |
416 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
417 | if (rc >= 0) | |
418 | info.n_priv_flags = rc; | |
ff03d49f | 419 | } |
c03a14e8 | 420 | if (ops->get_regs_len) |
1da177e4 | 421 | info.regdump_len = ops->get_regs_len(dev); |
c03a14e8 | 422 | if (ops->get_eeprom_len) |
1da177e4 LT |
423 | info.eedump_len = ops->get_eeprom_len(dev); |
424 | ||
425 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
426 | return -EFAULT; | |
427 | return 0; | |
428 | } | |
429 | ||
f5c445ed | 430 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
97f8aefb | 431 | void __user *useraddr) |
723b2f57 JG |
432 | { |
433 | struct ethtool_sset_info info; | |
723b2f57 JG |
434 | u64 sset_mask; |
435 | int i, idx = 0, n_bits = 0, ret, rc; | |
436 | u32 *info_buf = NULL; | |
437 | ||
723b2f57 JG |
438 | if (copy_from_user(&info, useraddr, sizeof(info))) |
439 | return -EFAULT; | |
440 | ||
441 | /* store copy of mask, because we zero struct later on */ | |
442 | sset_mask = info.sset_mask; | |
443 | if (!sset_mask) | |
444 | return 0; | |
445 | ||
446 | /* calculate size of return buffer */ | |
d17792eb | 447 | n_bits = hweight64(sset_mask); |
723b2f57 JG |
448 | |
449 | memset(&info, 0, sizeof(info)); | |
450 | info.cmd = ETHTOOL_GSSET_INFO; | |
451 | ||
452 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
453 | if (!info_buf) | |
454 | return -ENOMEM; | |
455 | ||
456 | /* | |
457 | * fill return buffer based on input bitmask and successful | |
458 | * get_sset_count return | |
459 | */ | |
460 | for (i = 0; i < 64; i++) { | |
461 | if (!(sset_mask & (1ULL << i))) | |
462 | continue; | |
463 | ||
340ae165 | 464 | rc = __ethtool_get_sset_count(dev, i); |
723b2f57 JG |
465 | if (rc >= 0) { |
466 | info.sset_mask |= (1ULL << i); | |
467 | info_buf[idx++] = rc; | |
468 | } | |
469 | } | |
470 | ||
471 | ret = -EFAULT; | |
472 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
473 | goto out; | |
474 | ||
475 | useraddr += offsetof(struct ethtool_sset_info, data); | |
476 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
477 | goto out; | |
478 | ||
479 | ret = 0; | |
480 | ||
481 | out: | |
482 | kfree(info_buf); | |
483 | return ret; | |
484 | } | |
485 | ||
97f8aefb | 486 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
bf988435 | 487 | u32 cmd, void __user *useraddr) |
0853ad66 | 488 | { |
bf988435 BH |
489 | struct ethtool_rxnfc info; |
490 | size_t info_size = sizeof(info); | |
55664f32 | 491 | int rc; |
0853ad66 | 492 | |
59089d8d | 493 | if (!dev->ethtool_ops->set_rxnfc) |
0853ad66 SB |
494 | return -EOPNOTSUPP; |
495 | ||
bf988435 BH |
496 | /* struct ethtool_rxnfc was originally defined for |
497 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
498 | * members. User-space might still be using that | |
499 | * definition. */ | |
500 | if (cmd == ETHTOOL_SRXFH) | |
501 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
502 | sizeof(info.data)); | |
503 | ||
504 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
505 | return -EFAULT; |
506 | ||
55664f32 BH |
507 | rc = dev->ethtool_ops->set_rxnfc(dev, &info); |
508 | if (rc) | |
509 | return rc; | |
510 | ||
511 | if (cmd == ETHTOOL_SRXCLSRLINS && | |
512 | copy_to_user(useraddr, &info, info_size)) | |
513 | return -EFAULT; | |
514 | ||
515 | return 0; | |
0853ad66 SB |
516 | } |
517 | ||
97f8aefb | 518 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
bf988435 | 519 | u32 cmd, void __user *useraddr) |
0853ad66 SB |
520 | { |
521 | struct ethtool_rxnfc info; | |
bf988435 | 522 | size_t info_size = sizeof(info); |
59089d8d SB |
523 | const struct ethtool_ops *ops = dev->ethtool_ops; |
524 | int ret; | |
525 | void *rule_buf = NULL; | |
0853ad66 | 526 | |
59089d8d | 527 | if (!ops->get_rxnfc) |
0853ad66 SB |
528 | return -EOPNOTSUPP; |
529 | ||
bf988435 BH |
530 | /* struct ethtool_rxnfc was originally defined for |
531 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
532 | * members. User-space might still be using that | |
533 | * definition. */ | |
534 | if (cmd == ETHTOOL_GRXFH) | |
535 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
536 | sizeof(info.data)); | |
537 | ||
538 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
539 | return -EFAULT; |
540 | ||
59089d8d SB |
541 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
542 | if (info.rule_cnt > 0) { | |
db048b69 | 543 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
ae6df5f9 | 544 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
db048b69 | 545 | GFP_USER); |
59089d8d SB |
546 | if (!rule_buf) |
547 | return -ENOMEM; | |
548 | } | |
549 | } | |
0853ad66 | 550 | |
59089d8d SB |
551 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
552 | if (ret < 0) | |
553 | goto err_out; | |
554 | ||
555 | ret = -EFAULT; | |
bf988435 | 556 | if (copy_to_user(useraddr, &info, info_size)) |
59089d8d SB |
557 | goto err_out; |
558 | ||
559 | if (rule_buf) { | |
560 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
561 | if (copy_to_user(useraddr, rule_buf, | |
562 | info.rule_cnt * sizeof(u32))) | |
563 | goto err_out; | |
564 | } | |
565 | ret = 0; | |
566 | ||
567 | err_out: | |
c9caceca | 568 | kfree(rule_buf); |
59089d8d SB |
569 | |
570 | return ret; | |
0853ad66 SB |
571 | } |
572 | ||
3de0b592 VD |
573 | static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr, |
574 | struct ethtool_rxnfc *rx_rings, | |
575 | u32 size) | |
576 | { | |
fb95cd8d | 577 | int i; |
3de0b592 VD |
578 | |
579 | if (copy_from_user(indir, useraddr, size * sizeof(indir[0]))) | |
fb95cd8d | 580 | return -EFAULT; |
3de0b592 VD |
581 | |
582 | /* Validate ring indices */ | |
fb95cd8d BH |
583 | for (i = 0; i < size; i++) |
584 | if (indir[i] >= rx_rings->data) | |
585 | return -EINVAL; | |
586 | ||
587 | return 0; | |
3de0b592 VD |
588 | } |
589 | ||
960fb622 ED |
590 | u8 netdev_rss_key[NETDEV_RSS_KEY_LEN]; |
591 | ||
592 | void netdev_rss_key_fill(void *buffer, size_t len) | |
593 | { | |
594 | BUG_ON(len > sizeof(netdev_rss_key)); | |
595 | net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key)); | |
596 | memcpy(buffer, netdev_rss_key, len); | |
597 | } | |
598 | EXPORT_SYMBOL(netdev_rss_key_fill); | |
599 | ||
a5b6ee29 BH |
600 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
601 | void __user *useraddr) | |
602 | { | |
7850f63f BH |
603 | u32 user_size, dev_size; |
604 | u32 *indir; | |
a5b6ee29 BH |
605 | int ret; |
606 | ||
7850f63f | 607 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
fe62d001 | 608 | !dev->ethtool_ops->get_rxfh) |
7850f63f BH |
609 | return -EOPNOTSUPP; |
610 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
611 | if (dev_size == 0) | |
a5b6ee29 BH |
612 | return -EOPNOTSUPP; |
613 | ||
7850f63f | 614 | if (copy_from_user(&user_size, |
a5b6ee29 | 615 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 616 | sizeof(user_size))) |
a5b6ee29 BH |
617 | return -EFAULT; |
618 | ||
7850f63f BH |
619 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size), |
620 | &dev_size, sizeof(dev_size))) | |
621 | return -EFAULT; | |
622 | ||
623 | /* If the user buffer size is 0, this is just a query for the | |
624 | * device table size. Otherwise, if it's smaller than the | |
625 | * device table size it's an error. | |
626 | */ | |
627 | if (user_size < dev_size) | |
628 | return user_size == 0 ? 0 : -EINVAL; | |
629 | ||
630 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
631 | if (!indir) |
632 | return -ENOMEM; | |
633 | ||
892311f6 | 634 | ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL); |
a5b6ee29 BH |
635 | if (ret) |
636 | goto out; | |
637 | ||
7850f63f BH |
638 | if (copy_to_user(useraddr + |
639 | offsetof(struct ethtool_rxfh_indir, ring_index[0]), | |
640 | indir, dev_size * sizeof(indir[0]))) | |
a5b6ee29 BH |
641 | ret = -EFAULT; |
642 | ||
643 | out: | |
644 | kfree(indir); | |
645 | return ret; | |
646 | } | |
647 | ||
648 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
649 | void __user *useraddr) | |
650 | { | |
7850f63f BH |
651 | struct ethtool_rxnfc rx_rings; |
652 | u32 user_size, dev_size, i; | |
653 | u32 *indir; | |
c03a14e8 | 654 | const struct ethtool_ops *ops = dev->ethtool_ops; |
a5b6ee29 | 655 | int ret; |
3de0b592 | 656 | u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]); |
a5b6ee29 | 657 | |
fe62d001 | 658 | if (!ops->get_rxfh_indir_size || !ops->set_rxfh || |
c03a14e8 | 659 | !ops->get_rxnfc) |
7850f63f | 660 | return -EOPNOTSUPP; |
c03a14e8 JP |
661 | |
662 | dev_size = ops->get_rxfh_indir_size(dev); | |
7850f63f | 663 | if (dev_size == 0) |
a5b6ee29 BH |
664 | return -EOPNOTSUPP; |
665 | ||
7850f63f | 666 | if (copy_from_user(&user_size, |
a5b6ee29 | 667 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 668 | sizeof(user_size))) |
a5b6ee29 BH |
669 | return -EFAULT; |
670 | ||
278bc429 | 671 | if (user_size != 0 && user_size != dev_size) |
7850f63f BH |
672 | return -EINVAL; |
673 | ||
674 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
675 | if (!indir) |
676 | return -ENOMEM; | |
677 | ||
7850f63f | 678 | rx_rings.cmd = ETHTOOL_GRXRINGS; |
c03a14e8 | 679 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); |
7850f63f BH |
680 | if (ret) |
681 | goto out; | |
278bc429 BH |
682 | |
683 | if (user_size == 0) { | |
684 | for (i = 0; i < dev_size; i++) | |
685 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
686 | } else { | |
3de0b592 VD |
687 | ret = ethtool_copy_validate_indir(indir, |
688 | useraddr + ringidx_offset, | |
689 | &rx_rings, | |
690 | dev_size); | |
691 | if (ret) | |
692 | goto out; | |
693 | } | |
694 | ||
892311f6 | 695 | ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE); |
3de0b592 VD |
696 | |
697 | out: | |
698 | kfree(indir); | |
699 | return ret; | |
700 | } | |
701 | ||
702 | static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev, | |
703 | void __user *useraddr) | |
704 | { | |
705 | int ret; | |
706 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
f062a384 | 707 | u32 user_indir_size, user_key_size; |
3de0b592 | 708 | u32 dev_indir_size = 0, dev_key_size = 0; |
f062a384 | 709 | struct ethtool_rxfh rxfh; |
3de0b592 | 710 | u32 total_size; |
f062a384 | 711 | u32 indir_bytes; |
3de0b592 | 712 | u32 *indir = NULL; |
892311f6 | 713 | u8 dev_hfunc = 0; |
3de0b592 VD |
714 | u8 *hkey = NULL; |
715 | u8 *rss_config; | |
716 | ||
892311f6 | 717 | if (!ops->get_rxfh) |
3de0b592 VD |
718 | return -EOPNOTSUPP; |
719 | ||
720 | if (ops->get_rxfh_indir_size) | |
721 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 VD |
722 | if (ops->get_rxfh_key_size) |
723 | dev_key_size = ops->get_rxfh_key_size(dev); | |
724 | ||
f062a384 | 725 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 | 726 | return -EFAULT; |
f062a384 BH |
727 | user_indir_size = rxfh.indir_size; |
728 | user_key_size = rxfh.key_size; | |
3de0b592 | 729 | |
f062a384 | 730 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
731 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
732 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
733 | return -EINVAL; |
734 | ||
735 | rxfh.indir_size = dev_indir_size; | |
736 | rxfh.key_size = dev_key_size; | |
737 | if (copy_to_user(useraddr, &rxfh, sizeof(rxfh))) | |
3de0b592 VD |
738 | return -EFAULT; |
739 | ||
3de0b592 VD |
740 | if ((user_indir_size && (user_indir_size != dev_indir_size)) || |
741 | (user_key_size && (user_key_size != dev_key_size))) | |
742 | return -EINVAL; | |
743 | ||
744 | indir_bytes = user_indir_size * sizeof(indir[0]); | |
745 | total_size = indir_bytes + user_key_size; | |
746 | rss_config = kzalloc(total_size, GFP_USER); | |
747 | if (!rss_config) | |
748 | return -ENOMEM; | |
749 | ||
750 | if (user_indir_size) | |
751 | indir = (u32 *)rss_config; | |
752 | ||
753 | if (user_key_size) | |
754 | hkey = rss_config + indir_bytes; | |
755 | ||
892311f6 EP |
756 | ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc); |
757 | if (ret) | |
758 | goto out; | |
3de0b592 | 759 | |
892311f6 EP |
760 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc), |
761 | &dev_hfunc, sizeof(rxfh.hfunc))) { | |
762 | ret = -EFAULT; | |
763 | } else if (copy_to_user(useraddr + | |
764 | offsetof(struct ethtool_rxfh, rss_config[0]), | |
765 | rss_config, total_size)) { | |
766 | ret = -EFAULT; | |
767 | } | |
768 | out: | |
3de0b592 VD |
769 | kfree(rss_config); |
770 | ||
771 | return ret; | |
772 | } | |
773 | ||
774 | static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev, | |
775 | void __user *useraddr) | |
776 | { | |
777 | int ret; | |
778 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
779 | struct ethtool_rxnfc rx_rings; | |
f062a384 BH |
780 | struct ethtool_rxfh rxfh; |
781 | u32 dev_indir_size = 0, dev_key_size = 0, i; | |
3de0b592 VD |
782 | u32 *indir = NULL, indir_bytes = 0; |
783 | u8 *hkey = NULL; | |
784 | u8 *rss_config; | |
3de0b592 VD |
785 | u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]); |
786 | ||
892311f6 | 787 | if (!ops->get_rxnfc || !ops->set_rxfh) |
3de0b592 VD |
788 | return -EOPNOTSUPP; |
789 | ||
790 | if (ops->get_rxfh_indir_size) | |
791 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 | 792 | if (ops->get_rxfh_key_size) |
d340c862 | 793 | dev_key_size = ops->get_rxfh_key_size(dev); |
3de0b592 | 794 | |
f062a384 | 795 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 VD |
796 | return -EFAULT; |
797 | ||
f062a384 | 798 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
799 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
800 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
801 | return -EINVAL; |
802 | ||
892311f6 EP |
803 | /* If either indir, hash key or function is valid, proceed further. |
804 | * Must request at least one change: indir size, hash key or function. | |
3de0b592 | 805 | */ |
f062a384 BH |
806 | if ((rxfh.indir_size && |
807 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE && | |
808 | rxfh.indir_size != dev_indir_size) || | |
809 | (rxfh.key_size && (rxfh.key_size != dev_key_size)) || | |
810 | (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE && | |
892311f6 | 811 | rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE)) |
3de0b592 VD |
812 | return -EINVAL; |
813 | ||
f062a384 | 814 | if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) |
3de0b592 VD |
815 | indir_bytes = dev_indir_size * sizeof(indir[0]); |
816 | ||
f062a384 | 817 | rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER); |
3de0b592 VD |
818 | if (!rss_config) |
819 | return -ENOMEM; | |
820 | ||
821 | rx_rings.cmd = ETHTOOL_GRXRINGS; | |
822 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); | |
823 | if (ret) | |
824 | goto out; | |
825 | ||
f062a384 BH |
826 | /* rxfh.indir_size == 0 means reset the indir table to default. |
827 | * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged. | |
3de0b592 | 828 | */ |
f062a384 BH |
829 | if (rxfh.indir_size && |
830 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) { | |
3de0b592 VD |
831 | indir = (u32 *)rss_config; |
832 | ret = ethtool_copy_validate_indir(indir, | |
833 | useraddr + rss_cfg_offset, | |
834 | &rx_rings, | |
f062a384 | 835 | rxfh.indir_size); |
3de0b592 | 836 | if (ret) |
7850f63f | 837 | goto out; |
f062a384 | 838 | } else if (rxfh.indir_size == 0) { |
3de0b592 VD |
839 | indir = (u32 *)rss_config; |
840 | for (i = 0; i < dev_indir_size; i++) | |
841 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
842 | } | |
278bc429 | 843 | |
f062a384 | 844 | if (rxfh.key_size) { |
3de0b592 VD |
845 | hkey = rss_config + indir_bytes; |
846 | if (copy_from_user(hkey, | |
847 | useraddr + rss_cfg_offset + indir_bytes, | |
f062a384 | 848 | rxfh.key_size)) { |
3de0b592 VD |
849 | ret = -EFAULT; |
850 | goto out; | |
278bc429 | 851 | } |
7850f63f BH |
852 | } |
853 | ||
892311f6 | 854 | ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc); |
a5b6ee29 BH |
855 | |
856 | out: | |
3de0b592 | 857 | kfree(rss_config); |
a5b6ee29 BH |
858 | return ret; |
859 | } | |
860 | ||
1da177e4 LT |
861 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
862 | { | |
863 | struct ethtool_regs regs; | |
76fd8593 | 864 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 LT |
865 | void *regbuf; |
866 | int reglen, ret; | |
867 | ||
868 | if (!ops->get_regs || !ops->get_regs_len) | |
869 | return -EOPNOTSUPP; | |
870 | ||
871 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
872 | return -EFAULT; | |
873 | ||
874 | reglen = ops->get_regs_len(dev); | |
875 | if (regs.len > reglen) | |
876 | regs.len = reglen; | |
877 | ||
b7c7d01a | 878 | regbuf = vzalloc(reglen); |
67ae7cf1 | 879 | if (reglen && !regbuf) |
1da177e4 LT |
880 | return -ENOMEM; |
881 | ||
882 | ops->get_regs(dev, ®s, regbuf); | |
883 | ||
884 | ret = -EFAULT; | |
885 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
886 | goto out; | |
887 | useraddr += offsetof(struct ethtool_regs, data); | |
67ae7cf1 | 888 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
1da177e4 LT |
889 | goto out; |
890 | ret = 0; | |
891 | ||
892 | out: | |
a77f5db3 | 893 | vfree(regbuf); |
1da177e4 LT |
894 | return ret; |
895 | } | |
896 | ||
d73d3a8c BH |
897 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
898 | { | |
899 | struct ethtool_value reset; | |
900 | int ret; | |
901 | ||
902 | if (!dev->ethtool_ops->reset) | |
903 | return -EOPNOTSUPP; | |
904 | ||
905 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
906 | return -EFAULT; | |
907 | ||
908 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
909 | if (ret) | |
910 | return ret; | |
911 | ||
912 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
913 | return -EFAULT; | |
914 | return 0; | |
915 | } | |
916 | ||
1da177e4 LT |
917 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
918 | { | |
8e557421 | 919 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
1da177e4 LT |
920 | |
921 | if (!dev->ethtool_ops->get_wol) | |
922 | return -EOPNOTSUPP; | |
923 | ||
924 | dev->ethtool_ops->get_wol(dev, &wol); | |
925 | ||
926 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
927 | return -EFAULT; | |
928 | return 0; | |
929 | } | |
930 | ||
931 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
932 | { | |
933 | struct ethtool_wolinfo wol; | |
934 | ||
935 | if (!dev->ethtool_ops->set_wol) | |
936 | return -EOPNOTSUPP; | |
937 | ||
938 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
939 | return -EFAULT; | |
940 | ||
941 | return dev->ethtool_ops->set_wol(dev, &wol); | |
942 | } | |
943 | ||
80f12ecc YM |
944 | static int ethtool_get_eee(struct net_device *dev, char __user *useraddr) |
945 | { | |
946 | struct ethtool_eee edata; | |
947 | int rc; | |
948 | ||
949 | if (!dev->ethtool_ops->get_eee) | |
950 | return -EOPNOTSUPP; | |
951 | ||
952 | memset(&edata, 0, sizeof(struct ethtool_eee)); | |
953 | edata.cmd = ETHTOOL_GEEE; | |
954 | rc = dev->ethtool_ops->get_eee(dev, &edata); | |
955 | ||
956 | if (rc) | |
957 | return rc; | |
958 | ||
959 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
960 | return -EFAULT; | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
965 | static int ethtool_set_eee(struct net_device *dev, char __user *useraddr) | |
966 | { | |
967 | struct ethtool_eee edata; | |
968 | ||
969 | if (!dev->ethtool_ops->set_eee) | |
970 | return -EOPNOTSUPP; | |
971 | ||
972 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
973 | return -EFAULT; | |
974 | ||
975 | return dev->ethtool_ops->set_eee(dev, &edata); | |
976 | } | |
977 | ||
1da177e4 LT |
978 | static int ethtool_nway_reset(struct net_device *dev) |
979 | { | |
980 | if (!dev->ethtool_ops->nway_reset) | |
981 | return -EOPNOTSUPP; | |
982 | ||
983 | return dev->ethtool_ops->nway_reset(dev); | |
984 | } | |
985 | ||
e596e6e4 BH |
986 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
987 | { | |
988 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; | |
989 | ||
990 | if (!dev->ethtool_ops->get_link) | |
991 | return -EOPNOTSUPP; | |
992 | ||
993 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); | |
994 | ||
995 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
996 | return -EFAULT; | |
997 | return 0; | |
998 | } | |
999 | ||
081d094e BH |
1000 | static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, |
1001 | int (*getter)(struct net_device *, | |
1002 | struct ethtool_eeprom *, u8 *), | |
1003 | u32 total_len) | |
1da177e4 LT |
1004 | { |
1005 | struct ethtool_eeprom eeprom; | |
b131dd5d MSB |
1006 | void __user *userbuf = useraddr + sizeof(eeprom); |
1007 | u32 bytes_remaining; | |
1da177e4 | 1008 | u8 *data; |
b131dd5d | 1009 | int ret = 0; |
1da177e4 | 1010 | |
1da177e4 LT |
1011 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
1012 | return -EFAULT; | |
1013 | ||
1014 | /* Check for wrap and zero */ | |
1015 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1016 | return -EINVAL; | |
1017 | ||
1018 | /* Check for exceeding total eeprom len */ | |
081d094e | 1019 | if (eeprom.offset + eeprom.len > total_len) |
1da177e4 LT |
1020 | return -EINVAL; |
1021 | ||
b131dd5d | 1022 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1023 | if (!data) |
1024 | return -ENOMEM; | |
1025 | ||
b131dd5d MSB |
1026 | bytes_remaining = eeprom.len; |
1027 | while (bytes_remaining > 0) { | |
1028 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1029 | ||
081d094e | 1030 | ret = getter(dev, &eeprom, data); |
b131dd5d MSB |
1031 | if (ret) |
1032 | break; | |
1033 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
1034 | ret = -EFAULT; | |
1035 | break; | |
1036 | } | |
1037 | userbuf += eeprom.len; | |
1038 | eeprom.offset += eeprom.len; | |
1039 | bytes_remaining -= eeprom.len; | |
1040 | } | |
1da177e4 | 1041 | |
c5835df9 MSB |
1042 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
1043 | eeprom.offset -= eeprom.len; | |
1044 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
1045 | ret = -EFAULT; | |
1046 | ||
1da177e4 LT |
1047 | kfree(data); |
1048 | return ret; | |
1049 | } | |
1050 | ||
081d094e BH |
1051 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
1052 | { | |
1053 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1054 | ||
e0fb6fb6 GR |
1055 | if (!ops->get_eeprom || !ops->get_eeprom_len || |
1056 | !ops->get_eeprom_len(dev)) | |
081d094e BH |
1057 | return -EOPNOTSUPP; |
1058 | ||
1059 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom, | |
1060 | ops->get_eeprom_len(dev)); | |
1061 | } | |
1062 | ||
1da177e4 LT |
1063 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
1064 | { | |
1065 | struct ethtool_eeprom eeprom; | |
76fd8593 | 1066 | const struct ethtool_ops *ops = dev->ethtool_ops; |
b131dd5d MSB |
1067 | void __user *userbuf = useraddr + sizeof(eeprom); |
1068 | u32 bytes_remaining; | |
1da177e4 | 1069 | u8 *data; |
b131dd5d | 1070 | int ret = 0; |
1da177e4 | 1071 | |
e0fb6fb6 GR |
1072 | if (!ops->set_eeprom || !ops->get_eeprom_len || |
1073 | !ops->get_eeprom_len(dev)) | |
1da177e4 LT |
1074 | return -EOPNOTSUPP; |
1075 | ||
1076 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
1077 | return -EFAULT; | |
1078 | ||
1079 | /* Check for wrap and zero */ | |
1080 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1081 | return -EINVAL; | |
1082 | ||
1083 | /* Check for exceeding total eeprom len */ | |
1084 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
1085 | return -EINVAL; | |
1086 | ||
b131dd5d | 1087 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1088 | if (!data) |
1089 | return -ENOMEM; | |
1090 | ||
b131dd5d MSB |
1091 | bytes_remaining = eeprom.len; |
1092 | while (bytes_remaining > 0) { | |
1093 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1094 | ||
1095 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
1096 | ret = -EFAULT; | |
1097 | break; | |
1098 | } | |
1099 | ret = ops->set_eeprom(dev, &eeprom, data); | |
1100 | if (ret) | |
1101 | break; | |
1102 | userbuf += eeprom.len; | |
1103 | eeprom.offset += eeprom.len; | |
1104 | bytes_remaining -= eeprom.len; | |
1105 | } | |
1da177e4 | 1106 | |
1da177e4 LT |
1107 | kfree(data); |
1108 | return ret; | |
1109 | } | |
1110 | ||
97f8aefb | 1111 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
1112 | void __user *useraddr) | |
1da177e4 | 1113 | { |
8e557421 | 1114 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
1da177e4 LT |
1115 | |
1116 | if (!dev->ethtool_ops->get_coalesce) | |
1117 | return -EOPNOTSUPP; | |
1118 | ||
1119 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
1120 | ||
1121 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
1122 | return -EFAULT; | |
1123 | return 0; | |
1124 | } | |
1125 | ||
97f8aefb | 1126 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
1127 | void __user *useraddr) | |
1da177e4 LT |
1128 | { |
1129 | struct ethtool_coalesce coalesce; | |
1130 | ||
fa04ae5c | 1131 | if (!dev->ethtool_ops->set_coalesce) |
1da177e4 LT |
1132 | return -EOPNOTSUPP; |
1133 | ||
1134 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
1135 | return -EFAULT; | |
1136 | ||
1137 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
1138 | } | |
1139 | ||
1140 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
1141 | { | |
8e557421 | 1142 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
1da177e4 LT |
1143 | |
1144 | if (!dev->ethtool_ops->get_ringparam) | |
1145 | return -EOPNOTSUPP; | |
1146 | ||
1147 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
1148 | ||
1149 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
1150 | return -EFAULT; | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
1155 | { | |
1156 | struct ethtool_ringparam ringparam; | |
1157 | ||
1158 | if (!dev->ethtool_ops->set_ringparam) | |
1159 | return -EOPNOTSUPP; | |
1160 | ||
1161 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
1162 | return -EFAULT; | |
1163 | ||
1164 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
1165 | } | |
1166 | ||
8b5933c3 | 1167 | static noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
1168 | void __user *useraddr) | |
1169 | { | |
1170 | struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; | |
1171 | ||
1172 | if (!dev->ethtool_ops->get_channels) | |
1173 | return -EOPNOTSUPP; | |
1174 | ||
1175 | dev->ethtool_ops->get_channels(dev, &channels); | |
1176 | ||
1177 | if (copy_to_user(useraddr, &channels, sizeof(channels))) | |
1178 | return -EFAULT; | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | static noinline_for_stack int ethtool_set_channels(struct net_device *dev, | |
1183 | void __user *useraddr) | |
1184 | { | |
1185 | struct ethtool_channels channels; | |
1186 | ||
1187 | if (!dev->ethtool_ops->set_channels) | |
1188 | return -EOPNOTSUPP; | |
1189 | ||
1190 | if (copy_from_user(&channels, useraddr, sizeof(channels))) | |
1191 | return -EFAULT; | |
1192 | ||
1193 | return dev->ethtool_ops->set_channels(dev, &channels); | |
1194 | } | |
1195 | ||
1da177e4 LT |
1196 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) |
1197 | { | |
1198 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
1199 | ||
1200 | if (!dev->ethtool_ops->get_pauseparam) | |
1201 | return -EOPNOTSUPP; | |
1202 | ||
1203 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
1204 | ||
1205 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
1206 | return -EFAULT; | |
1207 | return 0; | |
1208 | } | |
1209 | ||
1210 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
1211 | { | |
1212 | struct ethtool_pauseparam pauseparam; | |
1213 | ||
e1b90c41 | 1214 | if (!dev->ethtool_ops->set_pauseparam) |
1da177e4 LT |
1215 | return -EOPNOTSUPP; |
1216 | ||
1217 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
1218 | return -EFAULT; | |
1219 | ||
1220 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
1221 | } | |
1222 | ||
1da177e4 LT |
1223 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
1224 | { | |
1225 | struct ethtool_test test; | |
76fd8593 | 1226 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1227 | u64 *data; |
ff03d49f | 1228 | int ret, test_len; |
1da177e4 | 1229 | |
a9828ec6 | 1230 | if (!ops->self_test || !ops->get_sset_count) |
1da177e4 LT |
1231 | return -EOPNOTSUPP; |
1232 | ||
a9828ec6 | 1233 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
ff03d49f JG |
1234 | if (test_len < 0) |
1235 | return test_len; | |
1236 | WARN_ON(test_len == 0); | |
1237 | ||
1da177e4 LT |
1238 | if (copy_from_user(&test, useraddr, sizeof(test))) |
1239 | return -EFAULT; | |
1240 | ||
ff03d49f JG |
1241 | test.len = test_len; |
1242 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1243 | if (!data) |
1244 | return -ENOMEM; | |
1245 | ||
1246 | ops->self_test(dev, &test, data); | |
1247 | ||
1248 | ret = -EFAULT; | |
1249 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1250 | goto out; | |
1251 | useraddr += sizeof(test); | |
1252 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1253 | goto out; | |
1254 | ret = 0; | |
1255 | ||
1256 | out: | |
1257 | kfree(data); | |
1258 | return ret; | |
1259 | } | |
1260 | ||
1261 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1262 | { | |
1263 | struct ethtool_gstrings gstrings; | |
1da177e4 LT |
1264 | u8 *data; |
1265 | int ret; | |
1266 | ||
1da177e4 LT |
1267 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
1268 | return -EFAULT; | |
1269 | ||
340ae165 | 1270 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
a9828ec6 BH |
1271 | if (ret < 0) |
1272 | return ret; | |
1273 | ||
1274 | gstrings.len = ret; | |
1da177e4 LT |
1275 | |
1276 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); | |
1277 | if (!data) | |
1278 | return -ENOMEM; | |
1279 | ||
340ae165 | 1280 | __ethtool_get_strings(dev, gstrings.string_set, data); |
1da177e4 LT |
1281 | |
1282 | ret = -EFAULT; | |
1283 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1284 | goto out; | |
1285 | useraddr += sizeof(gstrings); | |
1286 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1287 | goto out; | |
1288 | ret = 0; | |
1289 | ||
340ae165 | 1290 | out: |
1da177e4 LT |
1291 | kfree(data); |
1292 | return ret; | |
1293 | } | |
1294 | ||
1295 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1296 | { | |
1297 | struct ethtool_value id; | |
68f512f2 | 1298 | static bool busy; |
c03a14e8 | 1299 | const struct ethtool_ops *ops = dev->ethtool_ops; |
68f512f2 | 1300 | int rc; |
1da177e4 | 1301 | |
c03a14e8 | 1302 | if (!ops->set_phys_id) |
1da177e4 LT |
1303 | return -EOPNOTSUPP; |
1304 | ||
68f512f2 BH |
1305 | if (busy) |
1306 | return -EBUSY; | |
1307 | ||
1da177e4 LT |
1308 | if (copy_from_user(&id, useraddr, sizeof(id))) |
1309 | return -EFAULT; | |
1310 | ||
c03a14e8 | 1311 | rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
fce55922 | 1312 | if (rc < 0) |
68f512f2 BH |
1313 | return rc; |
1314 | ||
1315 | /* Drop the RTNL lock while waiting, but prevent reentry or | |
1316 | * removal of the device. | |
1317 | */ | |
1318 | busy = true; | |
1319 | dev_hold(dev); | |
1320 | rtnl_unlock(); | |
1321 | ||
1322 | if (rc == 0) { | |
1323 | /* Driver will handle this itself */ | |
1324 | schedule_timeout_interruptible( | |
143780c6 | 1325 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
68f512f2 | 1326 | } else { |
fce55922 AB |
1327 | /* Driver expects to be called at twice the frequency in rc */ |
1328 | int n = rc * 2, i, interval = HZ / n; | |
1329 | ||
1330 | /* Count down seconds */ | |
68f512f2 | 1331 | do { |
fce55922 AB |
1332 | /* Count down iterations per second */ |
1333 | i = n; | |
1334 | do { | |
1335 | rtnl_lock(); | |
c03a14e8 | 1336 | rc = ops->set_phys_id(dev, |
fce55922 AB |
1337 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
1338 | rtnl_unlock(); | |
1339 | if (rc) | |
1340 | break; | |
1341 | schedule_timeout_interruptible(interval); | |
1342 | } while (!signal_pending(current) && --i != 0); | |
68f512f2 BH |
1343 | } while (!signal_pending(current) && |
1344 | (id.data == 0 || --id.data != 0)); | |
1345 | } | |
1346 | ||
1347 | rtnl_lock(); | |
1348 | dev_put(dev); | |
1349 | busy = false; | |
1350 | ||
c03a14e8 | 1351 | (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
68f512f2 | 1352 | return rc; |
1da177e4 LT |
1353 | } |
1354 | ||
1355 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1356 | { | |
1357 | struct ethtool_stats stats; | |
76fd8593 | 1358 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1359 | u64 *data; |
ff03d49f | 1360 | int ret, n_stats; |
1da177e4 | 1361 | |
a9828ec6 | 1362 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
1da177e4 LT |
1363 | return -EOPNOTSUPP; |
1364 | ||
a9828ec6 | 1365 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
ff03d49f JG |
1366 | if (n_stats < 0) |
1367 | return n_stats; | |
1368 | WARN_ON(n_stats == 0); | |
1369 | ||
1da177e4 LT |
1370 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
1371 | return -EFAULT; | |
1372 | ||
ff03d49f JG |
1373 | stats.n_stats = n_stats; |
1374 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1375 | if (!data) |
1376 | return -ENOMEM; | |
1377 | ||
1378 | ops->get_ethtool_stats(dev, &stats, data); | |
1379 | ||
1380 | ret = -EFAULT; | |
1381 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1382 | goto out; | |
1383 | useraddr += sizeof(stats); | |
1384 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1385 | goto out; | |
1386 | ret = 0; | |
1387 | ||
1388 | out: | |
1389 | kfree(data); | |
1390 | return ret; | |
1391 | } | |
1392 | ||
0bf0519d | 1393 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
a6f9a705 JW |
1394 | { |
1395 | struct ethtool_perm_addr epaddr; | |
a6f9a705 | 1396 | |
313674af | 1397 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
a6f9a705 JW |
1398 | return -EFAULT; |
1399 | ||
313674af MW |
1400 | if (epaddr.size < dev->addr_len) |
1401 | return -ETOOSMALL; | |
1402 | epaddr.size = dev->addr_len; | |
a6f9a705 | 1403 | |
a6f9a705 | 1404 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
313674af | 1405 | return -EFAULT; |
a6f9a705 | 1406 | useraddr += sizeof(epaddr); |
313674af MW |
1407 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
1408 | return -EFAULT; | |
1409 | return 0; | |
a6f9a705 JW |
1410 | } |
1411 | ||
13c99b24 JG |
1412 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
1413 | u32 cmd, u32 (*actor)(struct net_device *)) | |
3ae7c0b2 | 1414 | { |
8e557421 | 1415 | struct ethtool_value edata = { .cmd = cmd }; |
3ae7c0b2 | 1416 | |
13c99b24 | 1417 | if (!actor) |
3ae7c0b2 JG |
1418 | return -EOPNOTSUPP; |
1419 | ||
13c99b24 | 1420 | edata.data = actor(dev); |
3ae7c0b2 JG |
1421 | |
1422 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1423 | return -EFAULT; | |
1424 | return 0; | |
1425 | } | |
1426 | ||
13c99b24 JG |
1427 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
1428 | void (*actor)(struct net_device *, u32)) | |
3ae7c0b2 JG |
1429 | { |
1430 | struct ethtool_value edata; | |
1431 | ||
13c99b24 | 1432 | if (!actor) |
3ae7c0b2 JG |
1433 | return -EOPNOTSUPP; |
1434 | ||
1435 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1436 | return -EFAULT; | |
1437 | ||
13c99b24 | 1438 | actor(dev, edata.data); |
339bf024 JG |
1439 | return 0; |
1440 | } | |
1441 | ||
13c99b24 JG |
1442 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
1443 | int (*actor)(struct net_device *, u32)) | |
339bf024 JG |
1444 | { |
1445 | struct ethtool_value edata; | |
1446 | ||
13c99b24 | 1447 | if (!actor) |
339bf024 JG |
1448 | return -EOPNOTSUPP; |
1449 | ||
1450 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1451 | return -EFAULT; | |
1452 | ||
13c99b24 | 1453 | return actor(dev, edata.data); |
339bf024 JG |
1454 | } |
1455 | ||
97f8aefb | 1456 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
1457 | char __user *useraddr) | |
05c6a8d7 AK |
1458 | { |
1459 | struct ethtool_flash efl; | |
1460 | ||
1461 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1462 | return -EFAULT; | |
1463 | ||
1464 | if (!dev->ethtool_ops->flash_device) | |
1465 | return -EOPNOTSUPP; | |
1466 | ||
786f5281 BH |
1467 | efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; |
1468 | ||
05c6a8d7 AK |
1469 | return dev->ethtool_ops->flash_device(dev, &efl); |
1470 | } | |
1471 | ||
29dd54b7 AC |
1472 | static int ethtool_set_dump(struct net_device *dev, |
1473 | void __user *useraddr) | |
1474 | { | |
1475 | struct ethtool_dump dump; | |
1476 | ||
1477 | if (!dev->ethtool_ops->set_dump) | |
1478 | return -EOPNOTSUPP; | |
1479 | ||
1480 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1481 | return -EFAULT; | |
1482 | ||
1483 | return dev->ethtool_ops->set_dump(dev, &dump); | |
1484 | } | |
1485 | ||
1486 | static int ethtool_get_dump_flag(struct net_device *dev, | |
1487 | void __user *useraddr) | |
1488 | { | |
1489 | int ret; | |
1490 | struct ethtool_dump dump; | |
1491 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1492 | ||
c03a14e8 | 1493 | if (!ops->get_dump_flag) |
29dd54b7 AC |
1494 | return -EOPNOTSUPP; |
1495 | ||
1496 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1497 | return -EFAULT; | |
1498 | ||
1499 | ret = ops->get_dump_flag(dev, &dump); | |
1500 | if (ret) | |
1501 | return ret; | |
1502 | ||
1503 | if (copy_to_user(useraddr, &dump, sizeof(dump))) | |
1504 | return -EFAULT; | |
1505 | return 0; | |
1506 | } | |
1507 | ||
1508 | static int ethtool_get_dump_data(struct net_device *dev, | |
1509 | void __user *useraddr) | |
1510 | { | |
1511 | int ret; | |
1512 | __u32 len; | |
1513 | struct ethtool_dump dump, tmp; | |
1514 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1515 | void *data = NULL; | |
1516 | ||
c03a14e8 | 1517 | if (!ops->get_dump_data || !ops->get_dump_flag) |
29dd54b7 AC |
1518 | return -EOPNOTSUPP; |
1519 | ||
1520 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1521 | return -EFAULT; | |
1522 | ||
1523 | memset(&tmp, 0, sizeof(tmp)); | |
1524 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; | |
1525 | ret = ops->get_dump_flag(dev, &tmp); | |
1526 | if (ret) | |
1527 | return ret; | |
1528 | ||
c590b5e2 | 1529 | len = min(tmp.len, dump.len); |
29dd54b7 AC |
1530 | if (!len) |
1531 | return -EFAULT; | |
1532 | ||
c590b5e2 MS |
1533 | /* Don't ever let the driver think there's more space available |
1534 | * than it requested with .get_dump_flag(). | |
1535 | */ | |
1536 | dump.len = len; | |
1537 | ||
1538 | /* Always allocate enough space to hold the whole thing so that the | |
1539 | * driver does not need to check the length and bother with partial | |
1540 | * dumping. | |
1541 | */ | |
29dd54b7 AC |
1542 | data = vzalloc(tmp.len); |
1543 | if (!data) | |
1544 | return -ENOMEM; | |
1545 | ret = ops->get_dump_data(dev, &dump, data); | |
1546 | if (ret) | |
1547 | goto out; | |
1548 | ||
c590b5e2 MS |
1549 | /* There are two sane possibilities: |
1550 | * 1. The driver's .get_dump_data() does not touch dump.len. | |
1551 | * 2. Or it may set dump.len to how much it really writes, which | |
1552 | * should be tmp.len (or len if it can do a partial dump). | |
1553 | * In any case respond to userspace with the actual length of data | |
1554 | * it's receiving. | |
1555 | */ | |
1556 | WARN_ON(dump.len != len && dump.len != tmp.len); | |
1557 | dump.len = len; | |
1558 | ||
29dd54b7 AC |
1559 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { |
1560 | ret = -EFAULT; | |
1561 | goto out; | |
1562 | } | |
1563 | useraddr += offsetof(struct ethtool_dump, data); | |
1564 | if (copy_to_user(useraddr, data, len)) | |
1565 | ret = -EFAULT; | |
1566 | out: | |
1567 | vfree(data); | |
1568 | return ret; | |
1569 | } | |
1570 | ||
c8f3a8c3 RC |
1571 | static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr) |
1572 | { | |
1573 | int err = 0; | |
1574 | struct ethtool_ts_info info; | |
1575 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1576 | struct phy_device *phydev = dev->phydev; | |
1577 | ||
1578 | memset(&info, 0, sizeof(info)); | |
1579 | info.cmd = ETHTOOL_GET_TS_INFO; | |
1580 | ||
1581 | if (phydev && phydev->drv && phydev->drv->ts_info) { | |
c8f3a8c3 | 1582 | err = phydev->drv->ts_info(phydev, &info); |
c03a14e8 | 1583 | } else if (ops->get_ts_info) { |
c8f3a8c3 | 1584 | err = ops->get_ts_info(dev, &info); |
c8f3a8c3 RC |
1585 | } else { |
1586 | info.so_timestamping = | |
1587 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1588 | SOF_TIMESTAMPING_SOFTWARE; | |
1589 | info.phc_index = -1; | |
1590 | } | |
1591 | ||
1592 | if (err) | |
1593 | return err; | |
1594 | ||
1595 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
1596 | err = -EFAULT; | |
1597 | ||
1598 | return err; | |
1599 | } | |
1600 | ||
2f438366 ES |
1601 | static int __ethtool_get_module_info(struct net_device *dev, |
1602 | struct ethtool_modinfo *modinfo) | |
1603 | { | |
1604 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1605 | struct phy_device *phydev = dev->phydev; | |
1606 | ||
1607 | if (phydev && phydev->drv && phydev->drv->module_info) | |
1608 | return phydev->drv->module_info(phydev, modinfo); | |
1609 | ||
1610 | if (ops->get_module_info) | |
1611 | return ops->get_module_info(dev, modinfo); | |
1612 | ||
1613 | return -EOPNOTSUPP; | |
1614 | } | |
1615 | ||
41c3cb6d SH |
1616 | static int ethtool_get_module_info(struct net_device *dev, |
1617 | void __user *useraddr) | |
1618 | { | |
1619 | int ret; | |
1620 | struct ethtool_modinfo modinfo; | |
41c3cb6d SH |
1621 | |
1622 | if (copy_from_user(&modinfo, useraddr, sizeof(modinfo))) | |
1623 | return -EFAULT; | |
1624 | ||
2f438366 | 1625 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1626 | if (ret) |
1627 | return ret; | |
1628 | ||
1629 | if (copy_to_user(useraddr, &modinfo, sizeof(modinfo))) | |
1630 | return -EFAULT; | |
1631 | ||
1632 | return 0; | |
1633 | } | |
1634 | ||
2f438366 ES |
1635 | static int __ethtool_get_module_eeprom(struct net_device *dev, |
1636 | struct ethtool_eeprom *ee, u8 *data) | |
1637 | { | |
1638 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1639 | struct phy_device *phydev = dev->phydev; | |
1640 | ||
1641 | if (phydev && phydev->drv && phydev->drv->module_eeprom) | |
1642 | return phydev->drv->module_eeprom(phydev, ee, data); | |
1643 | ||
1644 | if (ops->get_module_eeprom) | |
1645 | return ops->get_module_eeprom(dev, ee, data); | |
1646 | ||
1647 | return -EOPNOTSUPP; | |
1648 | } | |
1649 | ||
41c3cb6d SH |
1650 | static int ethtool_get_module_eeprom(struct net_device *dev, |
1651 | void __user *useraddr) | |
1652 | { | |
1653 | int ret; | |
1654 | struct ethtool_modinfo modinfo; | |
41c3cb6d | 1655 | |
2f438366 | 1656 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1657 | if (ret) |
1658 | return ret; | |
1659 | ||
2f438366 ES |
1660 | return ethtool_get_any_eeprom(dev, useraddr, |
1661 | __ethtool_get_module_eeprom, | |
41c3cb6d SH |
1662 | modinfo.eeprom_len); |
1663 | } | |
1664 | ||
f0db9b07 GV |
1665 | static int ethtool_tunable_valid(const struct ethtool_tunable *tuna) |
1666 | { | |
1667 | switch (tuna->id) { | |
1668 | case ETHTOOL_RX_COPYBREAK: | |
1255a505 | 1669 | case ETHTOOL_TX_COPYBREAK: |
f0db9b07 GV |
1670 | if (tuna->len != sizeof(u32) || |
1671 | tuna->type_id != ETHTOOL_TUNABLE_U32) | |
1672 | return -EINVAL; | |
1673 | break; | |
1674 | default: | |
1675 | return -EINVAL; | |
1676 | } | |
1677 | ||
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr) | |
1682 | { | |
1683 | int ret; | |
1684 | struct ethtool_tunable tuna; | |
1685 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1686 | void *data; | |
1687 | ||
1688 | if (!ops->get_tunable) | |
1689 | return -EOPNOTSUPP; | |
1690 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1691 | return -EFAULT; | |
1692 | ret = ethtool_tunable_valid(&tuna); | |
1693 | if (ret) | |
1694 | return ret; | |
1695 | data = kmalloc(tuna.len, GFP_USER); | |
1696 | if (!data) | |
1697 | return -ENOMEM; | |
1698 | ret = ops->get_tunable(dev, &tuna, data); | |
1699 | if (ret) | |
1700 | goto out; | |
1701 | useraddr += sizeof(tuna); | |
1702 | ret = -EFAULT; | |
1703 | if (copy_to_user(useraddr, data, tuna.len)) | |
1704 | goto out; | |
1705 | ret = 0; | |
1706 | ||
1707 | out: | |
1708 | kfree(data); | |
1709 | return ret; | |
1710 | } | |
1711 | ||
1712 | static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr) | |
1713 | { | |
1714 | int ret; | |
1715 | struct ethtool_tunable tuna; | |
1716 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1717 | void *data; | |
1718 | ||
1719 | if (!ops->set_tunable) | |
1720 | return -EOPNOTSUPP; | |
1721 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1722 | return -EFAULT; | |
1723 | ret = ethtool_tunable_valid(&tuna); | |
1724 | if (ret) | |
1725 | return ret; | |
1726 | data = kmalloc(tuna.len, GFP_USER); | |
1727 | if (!data) | |
1728 | return -ENOMEM; | |
1729 | useraddr += sizeof(tuna); | |
1730 | ret = -EFAULT; | |
1731 | if (copy_from_user(data, useraddr, tuna.len)) | |
1732 | goto out; | |
1733 | ret = ops->set_tunable(dev, &tuna, data); | |
1734 | ||
1735 | out: | |
1736 | kfree(data); | |
1737 | return ret; | |
1738 | } | |
1739 | ||
600fed5e | 1740 | /* The main entry point in this file. Called from net/core/dev_ioctl.c */ |
1da177e4 | 1741 | |
881d966b | 1742 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
1da177e4 | 1743 | { |
881d966b | 1744 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
1da177e4 LT |
1745 | void __user *useraddr = ifr->ifr_data; |
1746 | u32 ethcmd; | |
1747 | int rc; | |
b29d3145 | 1748 | netdev_features_t old_features; |
1da177e4 | 1749 | |
1da177e4 LT |
1750 | if (!dev || !netif_device_present(dev)) |
1751 | return -ENODEV; | |
1752 | ||
97f8aefb | 1753 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
1da177e4 LT |
1754 | return -EFAULT; |
1755 | ||
75f3123c | 1756 | /* Allow some commands to be done by anyone */ |
97f8aefb | 1757 | switch (ethcmd) { |
0fdc100b | 1758 | case ETHTOOL_GSET: |
75f3123c | 1759 | case ETHTOOL_GDRVINFO: |
75f3123c | 1760 | case ETHTOOL_GMSGLVL: |
2da45db2 | 1761 | case ETHTOOL_GLINK: |
75f3123c SH |
1762 | case ETHTOOL_GCOALESCE: |
1763 | case ETHTOOL_GRINGPARAM: | |
1764 | case ETHTOOL_GPAUSEPARAM: | |
1765 | case ETHTOOL_GRXCSUM: | |
1766 | case ETHTOOL_GTXCSUM: | |
1767 | case ETHTOOL_GSG: | |
f80400a2 | 1768 | case ETHTOOL_GSSET_INFO: |
75f3123c | 1769 | case ETHTOOL_GSTRINGS: |
2da45db2 | 1770 | case ETHTOOL_GSTATS: |
75f3123c SH |
1771 | case ETHTOOL_GTSO: |
1772 | case ETHTOOL_GPERMADDR: | |
1773 | case ETHTOOL_GUFO: | |
1774 | case ETHTOOL_GGSO: | |
1cab819b | 1775 | case ETHTOOL_GGRO: |
339bf024 JG |
1776 | case ETHTOOL_GFLAGS: |
1777 | case ETHTOOL_GPFLAGS: | |
0853ad66 | 1778 | case ETHTOOL_GRXFH: |
59089d8d SB |
1779 | case ETHTOOL_GRXRINGS: |
1780 | case ETHTOOL_GRXCLSRLCNT: | |
1781 | case ETHTOOL_GRXCLSRULE: | |
1782 | case ETHTOOL_GRXCLSRLALL: | |
2da45db2 | 1783 | case ETHTOOL_GRXFHINDIR: |
3de0b592 | 1784 | case ETHTOOL_GRSSH: |
5455c699 | 1785 | case ETHTOOL_GFEATURES: |
2da45db2 | 1786 | case ETHTOOL_GCHANNELS: |
c8f3a8c3 | 1787 | case ETHTOOL_GET_TS_INFO: |
2da45db2 | 1788 | case ETHTOOL_GEEE: |
f0db9b07 | 1789 | case ETHTOOL_GTUNABLE: |
75f3123c SH |
1790 | break; |
1791 | default: | |
5e1fccc0 | 1792 | if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
75f3123c SH |
1793 | return -EPERM; |
1794 | } | |
1795 | ||
97f8aefb | 1796 | if (dev->ethtool_ops->begin) { |
1797 | rc = dev->ethtool_ops->begin(dev); | |
1798 | if (rc < 0) | |
1da177e4 | 1799 | return rc; |
97f8aefb | 1800 | } |
d8a33ac4 SH |
1801 | old_features = dev->features; |
1802 | ||
1da177e4 LT |
1803 | switch (ethcmd) { |
1804 | case ETHTOOL_GSET: | |
1805 | rc = ethtool_get_settings(dev, useraddr); | |
1806 | break; | |
1807 | case ETHTOOL_SSET: | |
1808 | rc = ethtool_set_settings(dev, useraddr); | |
1809 | break; | |
1810 | case ETHTOOL_GDRVINFO: | |
1811 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1da177e4 LT |
1812 | break; |
1813 | case ETHTOOL_GREGS: | |
1814 | rc = ethtool_get_regs(dev, useraddr); | |
1815 | break; | |
1816 | case ETHTOOL_GWOL: | |
1817 | rc = ethtool_get_wol(dev, useraddr); | |
1818 | break; | |
1819 | case ETHTOOL_SWOL: | |
1820 | rc = ethtool_set_wol(dev, useraddr); | |
1821 | break; | |
1822 | case ETHTOOL_GMSGLVL: | |
13c99b24 JG |
1823 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1824 | dev->ethtool_ops->get_msglevel); | |
1da177e4 LT |
1825 | break; |
1826 | case ETHTOOL_SMSGLVL: | |
13c99b24 JG |
1827 | rc = ethtool_set_value_void(dev, useraddr, |
1828 | dev->ethtool_ops->set_msglevel); | |
1da177e4 | 1829 | break; |
80f12ecc YM |
1830 | case ETHTOOL_GEEE: |
1831 | rc = ethtool_get_eee(dev, useraddr); | |
1832 | break; | |
1833 | case ETHTOOL_SEEE: | |
1834 | rc = ethtool_set_eee(dev, useraddr); | |
1835 | break; | |
1da177e4 LT |
1836 | case ETHTOOL_NWAY_RST: |
1837 | rc = ethtool_nway_reset(dev); | |
1838 | break; | |
1839 | case ETHTOOL_GLINK: | |
e596e6e4 | 1840 | rc = ethtool_get_link(dev, useraddr); |
1da177e4 LT |
1841 | break; |
1842 | case ETHTOOL_GEEPROM: | |
1843 | rc = ethtool_get_eeprom(dev, useraddr); | |
1844 | break; | |
1845 | case ETHTOOL_SEEPROM: | |
1846 | rc = ethtool_set_eeprom(dev, useraddr); | |
1847 | break; | |
1848 | case ETHTOOL_GCOALESCE: | |
1849 | rc = ethtool_get_coalesce(dev, useraddr); | |
1850 | break; | |
1851 | case ETHTOOL_SCOALESCE: | |
1852 | rc = ethtool_set_coalesce(dev, useraddr); | |
1853 | break; | |
1854 | case ETHTOOL_GRINGPARAM: | |
1855 | rc = ethtool_get_ringparam(dev, useraddr); | |
1856 | break; | |
1857 | case ETHTOOL_SRINGPARAM: | |
1858 | rc = ethtool_set_ringparam(dev, useraddr); | |
1859 | break; | |
1860 | case ETHTOOL_GPAUSEPARAM: | |
1861 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1862 | break; | |
1863 | case ETHTOOL_SPAUSEPARAM: | |
1864 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1865 | break; | |
1da177e4 LT |
1866 | case ETHTOOL_TEST: |
1867 | rc = ethtool_self_test(dev, useraddr); | |
1868 | break; | |
1869 | case ETHTOOL_GSTRINGS: | |
1870 | rc = ethtool_get_strings(dev, useraddr); | |
1871 | break; | |
1872 | case ETHTOOL_PHYS_ID: | |
1873 | rc = ethtool_phys_id(dev, useraddr); | |
1874 | break; | |
1875 | case ETHTOOL_GSTATS: | |
1876 | rc = ethtool_get_stats(dev, useraddr); | |
1877 | break; | |
a6f9a705 JW |
1878 | case ETHTOOL_GPERMADDR: |
1879 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1880 | break; | |
3ae7c0b2 | 1881 | case ETHTOOL_GFLAGS: |
13c99b24 | 1882 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
bc5787c6 | 1883 | __ethtool_get_flags); |
3ae7c0b2 JG |
1884 | break; |
1885 | case ETHTOOL_SFLAGS: | |
da8ac86c | 1886 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
3ae7c0b2 | 1887 | break; |
339bf024 | 1888 | case ETHTOOL_GPFLAGS: |
13c99b24 JG |
1889 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1890 | dev->ethtool_ops->get_priv_flags); | |
339bf024 JG |
1891 | break; |
1892 | case ETHTOOL_SPFLAGS: | |
13c99b24 JG |
1893 | rc = ethtool_set_value(dev, useraddr, |
1894 | dev->ethtool_ops->set_priv_flags); | |
339bf024 | 1895 | break; |
0853ad66 | 1896 | case ETHTOOL_GRXFH: |
59089d8d SB |
1897 | case ETHTOOL_GRXRINGS: |
1898 | case ETHTOOL_GRXCLSRLCNT: | |
1899 | case ETHTOOL_GRXCLSRULE: | |
1900 | case ETHTOOL_GRXCLSRLALL: | |
bf988435 | 1901 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
0853ad66 SB |
1902 | break; |
1903 | case ETHTOOL_SRXFH: | |
59089d8d SB |
1904 | case ETHTOOL_SRXCLSRLDEL: |
1905 | case ETHTOOL_SRXCLSRLINS: | |
bf988435 | 1906 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
0853ad66 | 1907 | break; |
05c6a8d7 AK |
1908 | case ETHTOOL_FLASHDEV: |
1909 | rc = ethtool_flash_device(dev, useraddr); | |
1910 | break; | |
d73d3a8c BH |
1911 | case ETHTOOL_RESET: |
1912 | rc = ethtool_reset(dev, useraddr); | |
1913 | break; | |
723b2f57 JG |
1914 | case ETHTOOL_GSSET_INFO: |
1915 | rc = ethtool_get_sset_info(dev, useraddr); | |
1916 | break; | |
a5b6ee29 BH |
1917 | case ETHTOOL_GRXFHINDIR: |
1918 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1919 | break; | |
1920 | case ETHTOOL_SRXFHINDIR: | |
1921 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1922 | break; | |
3de0b592 VD |
1923 | case ETHTOOL_GRSSH: |
1924 | rc = ethtool_get_rxfh(dev, useraddr); | |
1925 | break; | |
1926 | case ETHTOOL_SRSSH: | |
1927 | rc = ethtool_set_rxfh(dev, useraddr); | |
1928 | break; | |
5455c699 MM |
1929 | case ETHTOOL_GFEATURES: |
1930 | rc = ethtool_get_features(dev, useraddr); | |
1931 | break; | |
1932 | case ETHTOOL_SFEATURES: | |
1933 | rc = ethtool_set_features(dev, useraddr); | |
1934 | break; | |
0a417704 | 1935 | case ETHTOOL_GTXCSUM: |
e83d360d | 1936 | case ETHTOOL_GRXCSUM: |
0a417704 MM |
1937 | case ETHTOOL_GSG: |
1938 | case ETHTOOL_GTSO: | |
1939 | case ETHTOOL_GUFO: | |
1940 | case ETHTOOL_GGSO: | |
1941 | case ETHTOOL_GGRO: | |
1942 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); | |
1943 | break; | |
1944 | case ETHTOOL_STXCSUM: | |
e83d360d | 1945 | case ETHTOOL_SRXCSUM: |
0a417704 MM |
1946 | case ETHTOOL_SSG: |
1947 | case ETHTOOL_STSO: | |
1948 | case ETHTOOL_SUFO: | |
1949 | case ETHTOOL_SGSO: | |
1950 | case ETHTOOL_SGRO: | |
1951 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); | |
1952 | break; | |
8b5933c3 | 1953 | case ETHTOOL_GCHANNELS: |
1954 | rc = ethtool_get_channels(dev, useraddr); | |
1955 | break; | |
1956 | case ETHTOOL_SCHANNELS: | |
1957 | rc = ethtool_set_channels(dev, useraddr); | |
1958 | break; | |
29dd54b7 AC |
1959 | case ETHTOOL_SET_DUMP: |
1960 | rc = ethtool_set_dump(dev, useraddr); | |
1961 | break; | |
1962 | case ETHTOOL_GET_DUMP_FLAG: | |
1963 | rc = ethtool_get_dump_flag(dev, useraddr); | |
1964 | break; | |
1965 | case ETHTOOL_GET_DUMP_DATA: | |
1966 | rc = ethtool_get_dump_data(dev, useraddr); | |
1967 | break; | |
c8f3a8c3 RC |
1968 | case ETHTOOL_GET_TS_INFO: |
1969 | rc = ethtool_get_ts_info(dev, useraddr); | |
1970 | break; | |
41c3cb6d SH |
1971 | case ETHTOOL_GMODULEINFO: |
1972 | rc = ethtool_get_module_info(dev, useraddr); | |
1973 | break; | |
1974 | case ETHTOOL_GMODULEEEPROM: | |
1975 | rc = ethtool_get_module_eeprom(dev, useraddr); | |
1976 | break; | |
f0db9b07 GV |
1977 | case ETHTOOL_GTUNABLE: |
1978 | rc = ethtool_get_tunable(dev, useraddr); | |
1979 | break; | |
1980 | case ETHTOOL_STUNABLE: | |
1981 | rc = ethtool_set_tunable(dev, useraddr); | |
1982 | break; | |
1da177e4 | 1983 | default: |
61a44b9c | 1984 | rc = -EOPNOTSUPP; |
1da177e4 | 1985 | } |
4ec93edb | 1986 | |
e71a4783 | 1987 | if (dev->ethtool_ops->complete) |
1da177e4 | 1988 | dev->ethtool_ops->complete(dev); |
d8a33ac4 SH |
1989 | |
1990 | if (old_features != dev->features) | |
1991 | netdev_features_change(dev); | |
1992 | ||
1da177e4 | 1993 | return rc; |
1da177e4 | 1994 | } |