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 | ||
a4244b0c HHZ |
109 | static const char |
110 | tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { | |
111 | [ETHTOOL_ID_UNSPEC] = "Unspec", | |
112 | [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", | |
113 | [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", | |
114 | }; | |
115 | ||
5455c699 MM |
116 | static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
117 | { | |
118 | struct ethtool_gfeatures cmd = { | |
119 | .cmd = ETHTOOL_GFEATURES, | |
120 | .size = ETHTOOL_DEV_FEATURE_WORDS, | |
121 | }; | |
475414f6 | 122 | struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
5455c699 MM |
123 | u32 __user *sizeaddr; |
124 | u32 copy_size; | |
475414f6 MM |
125 | int i; |
126 | ||
127 | /* in case feature bits run out again */ | |
09da71b1 | 128 | BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t)); |
475414f6 MM |
129 | |
130 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { | |
09da71b1 MM |
131 | features[i].available = (u32)(dev->hw_features >> (32 * i)); |
132 | features[i].requested = (u32)(dev->wanted_features >> (32 * i)); | |
133 | features[i].active = (u32)(dev->features >> (32 * i)); | |
134 | features[i].never_changed = | |
135 | (u32)(NETIF_F_NEVER_CHANGE >> (32 * i)); | |
475414f6 | 136 | } |
5455c699 MM |
137 | |
138 | sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); | |
139 | if (get_user(copy_size, sizeaddr)) | |
140 | return -EFAULT; | |
141 | ||
142 | if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) | |
143 | copy_size = ETHTOOL_DEV_FEATURE_WORDS; | |
144 | ||
145 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
146 | return -EFAULT; | |
147 | useraddr += sizeof(cmd); | |
148 | if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) | |
149 | return -EFAULT; | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int ethtool_set_features(struct net_device *dev, void __user *useraddr) | |
155 | { | |
156 | struct ethtool_sfeatures cmd; | |
157 | struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; | |
475414f6 MM |
158 | netdev_features_t wanted = 0, valid = 0; |
159 | int i, ret = 0; | |
5455c699 MM |
160 | |
161 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
162 | return -EFAULT; | |
163 | useraddr += sizeof(cmd); | |
164 | ||
165 | if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) | |
166 | return -EINVAL; | |
167 | ||
168 | if (copy_from_user(features, useraddr, sizeof(features))) | |
169 | return -EFAULT; | |
170 | ||
475414f6 | 171 | for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) { |
09da71b1 MM |
172 | valid |= (netdev_features_t)features[i].valid << (32 * i); |
173 | wanted |= (netdev_features_t)features[i].requested << (32 * i); | |
475414f6 MM |
174 | } |
175 | ||
176 | if (valid & ~NETIF_F_ETHTOOL_BITS) | |
5455c699 MM |
177 | return -EINVAL; |
178 | ||
475414f6 MM |
179 | if (valid & ~dev->hw_features) { |
180 | valid &= dev->hw_features; | |
5455c699 MM |
181 | ret |= ETHTOOL_F_UNSUPPORTED; |
182 | } | |
183 | ||
475414f6 MM |
184 | dev->wanted_features &= ~valid; |
185 | dev->wanted_features |= wanted & valid; | |
6cb6a27c | 186 | __netdev_update_features(dev); |
5455c699 | 187 | |
475414f6 | 188 | if ((dev->wanted_features ^ dev->features) & valid) |
5455c699 MM |
189 | ret |= ETHTOOL_F_WISH; |
190 | ||
191 | return ret; | |
192 | } | |
193 | ||
340ae165 MM |
194 | static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
195 | { | |
196 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
197 | ||
5455c699 MM |
198 | if (sset == ETH_SS_FEATURES) |
199 | return ARRAY_SIZE(netdev_features_strings); | |
200 | ||
892311f6 EP |
201 | if (sset == ETH_SS_RSS_HASH_FUNCS) |
202 | return ARRAY_SIZE(rss_hash_func_strings); | |
203 | ||
a4244b0c HHZ |
204 | if (sset == ETH_SS_TUNABLES) |
205 | return ARRAY_SIZE(tunable_strings); | |
206 | ||
c03a14e8 | 207 | if (ops->get_sset_count && ops->get_strings) |
340ae165 MM |
208 | return ops->get_sset_count(dev, sset); |
209 | else | |
210 | return -EOPNOTSUPP; | |
211 | } | |
212 | ||
213 | static void __ethtool_get_strings(struct net_device *dev, | |
214 | u32 stringset, u8 *data) | |
215 | { | |
216 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
217 | ||
5455c699 MM |
218 | if (stringset == ETH_SS_FEATURES) |
219 | memcpy(data, netdev_features_strings, | |
220 | sizeof(netdev_features_strings)); | |
892311f6 EP |
221 | else if (stringset == ETH_SS_RSS_HASH_FUNCS) |
222 | memcpy(data, rss_hash_func_strings, | |
223 | sizeof(rss_hash_func_strings)); | |
a4244b0c HHZ |
224 | else if (stringset == ETH_SS_TUNABLES) |
225 | memcpy(data, tunable_strings, sizeof(tunable_strings)); | |
5455c699 MM |
226 | else |
227 | /* ops->get_strings is valid because checked earlier */ | |
228 | ops->get_strings(dev, stringset, data); | |
340ae165 MM |
229 | } |
230 | ||
c8f44aff | 231 | static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) |
0a417704 MM |
232 | { |
233 | /* feature masks of legacy discrete ethtool ops */ | |
234 | ||
235 | switch (eth_cmd) { | |
236 | case ETHTOOL_GTXCSUM: | |
237 | case ETHTOOL_STXCSUM: | |
238 | return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; | |
e83d360d MM |
239 | case ETHTOOL_GRXCSUM: |
240 | case ETHTOOL_SRXCSUM: | |
241 | return NETIF_F_RXCSUM; | |
0a417704 MM |
242 | case ETHTOOL_GSG: |
243 | case ETHTOOL_SSG: | |
244 | return NETIF_F_SG; | |
245 | case ETHTOOL_GTSO: | |
246 | case ETHTOOL_STSO: | |
247 | return NETIF_F_ALL_TSO; | |
248 | case ETHTOOL_GUFO: | |
249 | case ETHTOOL_SUFO: | |
250 | return NETIF_F_UFO; | |
251 | case ETHTOOL_GGSO: | |
252 | case ETHTOOL_SGSO: | |
253 | return NETIF_F_GSO; | |
254 | case ETHTOOL_GGRO: | |
255 | case ETHTOOL_SGRO: | |
256 | return NETIF_F_GRO; | |
257 | default: | |
258 | BUG(); | |
259 | } | |
260 | } | |
261 | ||
0a417704 MM |
262 | static int ethtool_get_one_feature(struct net_device *dev, |
263 | char __user *useraddr, u32 ethcmd) | |
264 | { | |
c8f44aff | 265 | netdev_features_t mask = ethtool_get_feature_mask(ethcmd); |
0a417704 MM |
266 | struct ethtool_value edata = { |
267 | .cmd = ethcmd, | |
86794881 | 268 | .data = !!(dev->features & mask), |
0a417704 | 269 | }; |
0a417704 | 270 | |
0a417704 MM |
271 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
272 | return -EFAULT; | |
273 | return 0; | |
274 | } | |
275 | ||
0a417704 MM |
276 | static int ethtool_set_one_feature(struct net_device *dev, |
277 | void __user *useraddr, u32 ethcmd) | |
278 | { | |
279 | struct ethtool_value edata; | |
c8f44aff | 280 | netdev_features_t mask; |
0a417704 MM |
281 | |
282 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
283 | return -EFAULT; | |
284 | ||
86794881 MM |
285 | mask = ethtool_get_feature_mask(ethcmd); |
286 | mask &= dev->hw_features; | |
bc5787c6 MM |
287 | if (!mask) |
288 | return -EOPNOTSUPP; | |
86794881 | 289 | |
bc5787c6 MM |
290 | if (edata.data) |
291 | dev->wanted_features |= mask; | |
292 | else | |
293 | dev->wanted_features &= ~mask; | |
86794881 | 294 | |
bc5787c6 | 295 | __netdev_update_features(dev); |
86794881 | 296 | |
bc5787c6 MM |
297 | return 0; |
298 | } | |
299 | ||
02b3a552 MM |
300 | #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ |
301 | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) | |
f646968f PM |
302 | #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \ |
303 | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \ | |
304 | NETIF_F_RXHASH) | |
bc5787c6 MM |
305 | |
306 | static u32 __ethtool_get_flags(struct net_device *dev) | |
307 | { | |
02b3a552 MM |
308 | u32 flags = 0; |
309 | ||
8a73125c DF |
310 | if (dev->features & NETIF_F_LRO) |
311 | flags |= ETH_FLAG_LRO; | |
312 | if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) | |
313 | flags |= ETH_FLAG_RXVLAN; | |
314 | if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) | |
315 | flags |= ETH_FLAG_TXVLAN; | |
316 | if (dev->features & NETIF_F_NTUPLE) | |
317 | flags |= ETH_FLAG_NTUPLE; | |
318 | if (dev->features & NETIF_F_RXHASH) | |
319 | flags |= ETH_FLAG_RXHASH; | |
02b3a552 MM |
320 | |
321 | return flags; | |
0a417704 MM |
322 | } |
323 | ||
bc5787c6 | 324 | static int __ethtool_set_flags(struct net_device *dev, u32 data) |
da8ac86c | 325 | { |
c8f44aff | 326 | netdev_features_t features = 0, changed; |
da8ac86c | 327 | |
02b3a552 | 328 | if (data & ~ETH_ALL_FLAGS) |
da8ac86c MM |
329 | return -EINVAL; |
330 | ||
8a73125c DF |
331 | if (data & ETH_FLAG_LRO) |
332 | features |= NETIF_F_LRO; | |
333 | if (data & ETH_FLAG_RXVLAN) | |
334 | features |= NETIF_F_HW_VLAN_CTAG_RX; | |
335 | if (data & ETH_FLAG_TXVLAN) | |
336 | features |= NETIF_F_HW_VLAN_CTAG_TX; | |
337 | if (data & ETH_FLAG_NTUPLE) | |
338 | features |= NETIF_F_NTUPLE; | |
339 | if (data & ETH_FLAG_RXHASH) | |
340 | features |= NETIF_F_RXHASH; | |
02b3a552 | 341 | |
da8ac86c | 342 | /* allow changing only bits set in hw_features */ |
02b3a552 | 343 | changed = (features ^ dev->features) & ETH_ALL_FEATURES; |
da8ac86c MM |
344 | if (changed & ~dev->hw_features) |
345 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; | |
346 | ||
347 | dev->wanted_features = | |
02b3a552 | 348 | (dev->wanted_features & ~changed) | (features & changed); |
da8ac86c | 349 | |
6cb6a27c | 350 | __netdev_update_features(dev); |
da8ac86c MM |
351 | |
352 | return 0; | |
353 | } | |
354 | ||
4bc71cb9 | 355 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
1da177e4 | 356 | { |
4bc71cb9 | 357 | ASSERT_RTNL(); |
1da177e4 | 358 | |
c03a14e8 | 359 | if (!dev->ethtool_ops->get_settings) |
1da177e4 LT |
360 | return -EOPNOTSUPP; |
361 | ||
4bc71cb9 JP |
362 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
363 | cmd->cmd = ETHTOOL_GSET; | |
364 | return dev->ethtool_ops->get_settings(dev, cmd); | |
365 | } | |
366 | EXPORT_SYMBOL(__ethtool_get_settings); | |
367 | ||
368 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) | |
369 | { | |
370 | int err; | |
371 | struct ethtool_cmd cmd; | |
372 | ||
18ec898e | 373 | err = __ethtool_get_settings(dev, &cmd); |
1da177e4 LT |
374 | if (err < 0) |
375 | return err; | |
376 | ||
377 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) | |
378 | return -EFAULT; | |
379 | return 0; | |
380 | } | |
381 | ||
382 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) | |
383 | { | |
384 | struct ethtool_cmd cmd; | |
385 | ||
386 | if (!dev->ethtool_ops->set_settings) | |
387 | return -EOPNOTSUPP; | |
388 | ||
389 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
390 | return -EFAULT; | |
391 | ||
392 | return dev->ethtool_ops->set_settings(dev, &cmd); | |
393 | } | |
394 | ||
97f8aefb | 395 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
396 | void __user *useraddr) | |
1da177e4 LT |
397 | { |
398 | struct ethtool_drvinfo info; | |
76fd8593 | 399 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 400 | |
1da177e4 LT |
401 | memset(&info, 0, sizeof(info)); |
402 | info.cmd = ETHTOOL_GDRVINFO; | |
c03a14e8 | 403 | if (ops->get_drvinfo) { |
01414802 BH |
404 | ops->get_drvinfo(dev, &info); |
405 | } else if (dev->dev.parent && dev->dev.parent->driver) { | |
406 | strlcpy(info.bus_info, dev_name(dev->dev.parent), | |
407 | sizeof(info.bus_info)); | |
408 | strlcpy(info.driver, dev->dev.parent->driver->name, | |
409 | sizeof(info.driver)); | |
410 | } else { | |
411 | return -EOPNOTSUPP; | |
412 | } | |
1da177e4 | 413 | |
723b2f57 JG |
414 | /* |
415 | * this method of obtaining string set info is deprecated; | |
d17792eb | 416 | * Use ETHTOOL_GSSET_INFO instead. |
723b2f57 | 417 | */ |
c03a14e8 | 418 | if (ops->get_sset_count) { |
ff03d49f JG |
419 | int rc; |
420 | ||
421 | rc = ops->get_sset_count(dev, ETH_SS_TEST); | |
422 | if (rc >= 0) | |
423 | info.testinfo_len = rc; | |
424 | rc = ops->get_sset_count(dev, ETH_SS_STATS); | |
425 | if (rc >= 0) | |
426 | info.n_stats = rc; | |
339bf024 JG |
427 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
428 | if (rc >= 0) | |
429 | info.n_priv_flags = rc; | |
ff03d49f | 430 | } |
c03a14e8 | 431 | if (ops->get_regs_len) |
1da177e4 | 432 | info.regdump_len = ops->get_regs_len(dev); |
c03a14e8 | 433 | if (ops->get_eeprom_len) |
1da177e4 LT |
434 | info.eedump_len = ops->get_eeprom_len(dev); |
435 | ||
436 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
437 | return -EFAULT; | |
438 | return 0; | |
439 | } | |
440 | ||
f5c445ed | 441 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
97f8aefb | 442 | void __user *useraddr) |
723b2f57 JG |
443 | { |
444 | struct ethtool_sset_info info; | |
723b2f57 JG |
445 | u64 sset_mask; |
446 | int i, idx = 0, n_bits = 0, ret, rc; | |
447 | u32 *info_buf = NULL; | |
448 | ||
723b2f57 JG |
449 | if (copy_from_user(&info, useraddr, sizeof(info))) |
450 | return -EFAULT; | |
451 | ||
452 | /* store copy of mask, because we zero struct later on */ | |
453 | sset_mask = info.sset_mask; | |
454 | if (!sset_mask) | |
455 | return 0; | |
456 | ||
457 | /* calculate size of return buffer */ | |
d17792eb | 458 | n_bits = hweight64(sset_mask); |
723b2f57 JG |
459 | |
460 | memset(&info, 0, sizeof(info)); | |
461 | info.cmd = ETHTOOL_GSSET_INFO; | |
462 | ||
463 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); | |
464 | if (!info_buf) | |
465 | return -ENOMEM; | |
466 | ||
467 | /* | |
468 | * fill return buffer based on input bitmask and successful | |
469 | * get_sset_count return | |
470 | */ | |
471 | for (i = 0; i < 64; i++) { | |
472 | if (!(sset_mask & (1ULL << i))) | |
473 | continue; | |
474 | ||
340ae165 | 475 | rc = __ethtool_get_sset_count(dev, i); |
723b2f57 JG |
476 | if (rc >= 0) { |
477 | info.sset_mask |= (1ULL << i); | |
478 | info_buf[idx++] = rc; | |
479 | } | |
480 | } | |
481 | ||
482 | ret = -EFAULT; | |
483 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
484 | goto out; | |
485 | ||
486 | useraddr += offsetof(struct ethtool_sset_info, data); | |
487 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) | |
488 | goto out; | |
489 | ||
490 | ret = 0; | |
491 | ||
492 | out: | |
493 | kfree(info_buf); | |
494 | return ret; | |
495 | } | |
496 | ||
97f8aefb | 497 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
bf988435 | 498 | u32 cmd, void __user *useraddr) |
0853ad66 | 499 | { |
bf988435 BH |
500 | struct ethtool_rxnfc info; |
501 | size_t info_size = sizeof(info); | |
55664f32 | 502 | int rc; |
0853ad66 | 503 | |
59089d8d | 504 | if (!dev->ethtool_ops->set_rxnfc) |
0853ad66 SB |
505 | return -EOPNOTSUPP; |
506 | ||
bf988435 BH |
507 | /* struct ethtool_rxnfc was originally defined for |
508 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
509 | * members. User-space might still be using that | |
510 | * definition. */ | |
511 | if (cmd == ETHTOOL_SRXFH) | |
512 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
513 | sizeof(info.data)); | |
514 | ||
515 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
516 | return -EFAULT; |
517 | ||
55664f32 BH |
518 | rc = dev->ethtool_ops->set_rxnfc(dev, &info); |
519 | if (rc) | |
520 | return rc; | |
521 | ||
522 | if (cmd == ETHTOOL_SRXCLSRLINS && | |
523 | copy_to_user(useraddr, &info, info_size)) | |
524 | return -EFAULT; | |
525 | ||
526 | return 0; | |
0853ad66 SB |
527 | } |
528 | ||
97f8aefb | 529 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
bf988435 | 530 | u32 cmd, void __user *useraddr) |
0853ad66 SB |
531 | { |
532 | struct ethtool_rxnfc info; | |
bf988435 | 533 | size_t info_size = sizeof(info); |
59089d8d SB |
534 | const struct ethtool_ops *ops = dev->ethtool_ops; |
535 | int ret; | |
536 | void *rule_buf = NULL; | |
0853ad66 | 537 | |
59089d8d | 538 | if (!ops->get_rxnfc) |
0853ad66 SB |
539 | return -EOPNOTSUPP; |
540 | ||
bf988435 BH |
541 | /* struct ethtool_rxnfc was originally defined for |
542 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data | |
543 | * members. User-space might still be using that | |
544 | * definition. */ | |
545 | if (cmd == ETHTOOL_GRXFH) | |
546 | info_size = (offsetof(struct ethtool_rxnfc, data) + | |
547 | sizeof(info.data)); | |
548 | ||
549 | if (copy_from_user(&info, useraddr, info_size)) | |
0853ad66 SB |
550 | return -EFAULT; |
551 | ||
59089d8d SB |
552 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
553 | if (info.rule_cnt > 0) { | |
db048b69 | 554 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
ae6df5f9 | 555 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
db048b69 | 556 | GFP_USER); |
59089d8d SB |
557 | if (!rule_buf) |
558 | return -ENOMEM; | |
559 | } | |
560 | } | |
0853ad66 | 561 | |
59089d8d SB |
562 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
563 | if (ret < 0) | |
564 | goto err_out; | |
565 | ||
566 | ret = -EFAULT; | |
bf988435 | 567 | if (copy_to_user(useraddr, &info, info_size)) |
59089d8d SB |
568 | goto err_out; |
569 | ||
570 | if (rule_buf) { | |
571 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); | |
572 | if (copy_to_user(useraddr, rule_buf, | |
573 | info.rule_cnt * sizeof(u32))) | |
574 | goto err_out; | |
575 | } | |
576 | ret = 0; | |
577 | ||
578 | err_out: | |
c9caceca | 579 | kfree(rule_buf); |
59089d8d SB |
580 | |
581 | return ret; | |
0853ad66 SB |
582 | } |
583 | ||
3de0b592 VD |
584 | static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr, |
585 | struct ethtool_rxnfc *rx_rings, | |
586 | u32 size) | |
587 | { | |
fb95cd8d | 588 | int i; |
3de0b592 VD |
589 | |
590 | if (copy_from_user(indir, useraddr, size * sizeof(indir[0]))) | |
fb95cd8d | 591 | return -EFAULT; |
3de0b592 VD |
592 | |
593 | /* Validate ring indices */ | |
fb95cd8d BH |
594 | for (i = 0; i < size; i++) |
595 | if (indir[i] >= rx_rings->data) | |
596 | return -EINVAL; | |
597 | ||
598 | return 0; | |
3de0b592 VD |
599 | } |
600 | ||
960fb622 ED |
601 | u8 netdev_rss_key[NETDEV_RSS_KEY_LEN]; |
602 | ||
603 | void netdev_rss_key_fill(void *buffer, size_t len) | |
604 | { | |
605 | BUG_ON(len > sizeof(netdev_rss_key)); | |
606 | net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key)); | |
607 | memcpy(buffer, netdev_rss_key, len); | |
608 | } | |
609 | EXPORT_SYMBOL(netdev_rss_key_fill); | |
610 | ||
a5b6ee29 BH |
611 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
612 | void __user *useraddr) | |
613 | { | |
7850f63f BH |
614 | u32 user_size, dev_size; |
615 | u32 *indir; | |
a5b6ee29 BH |
616 | int ret; |
617 | ||
7850f63f | 618 | if (!dev->ethtool_ops->get_rxfh_indir_size || |
fe62d001 | 619 | !dev->ethtool_ops->get_rxfh) |
7850f63f BH |
620 | return -EOPNOTSUPP; |
621 | dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); | |
622 | if (dev_size == 0) | |
a5b6ee29 BH |
623 | return -EOPNOTSUPP; |
624 | ||
7850f63f | 625 | if (copy_from_user(&user_size, |
a5b6ee29 | 626 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 627 | sizeof(user_size))) |
a5b6ee29 BH |
628 | return -EFAULT; |
629 | ||
7850f63f BH |
630 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size), |
631 | &dev_size, sizeof(dev_size))) | |
632 | return -EFAULT; | |
633 | ||
634 | /* If the user buffer size is 0, this is just a query for the | |
635 | * device table size. Otherwise, if it's smaller than the | |
636 | * device table size it's an error. | |
637 | */ | |
638 | if (user_size < dev_size) | |
639 | return user_size == 0 ? 0 : -EINVAL; | |
640 | ||
641 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
642 | if (!indir) |
643 | return -ENOMEM; | |
644 | ||
892311f6 | 645 | ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL); |
a5b6ee29 BH |
646 | if (ret) |
647 | goto out; | |
648 | ||
7850f63f BH |
649 | if (copy_to_user(useraddr + |
650 | offsetof(struct ethtool_rxfh_indir, ring_index[0]), | |
651 | indir, dev_size * sizeof(indir[0]))) | |
a5b6ee29 BH |
652 | ret = -EFAULT; |
653 | ||
654 | out: | |
655 | kfree(indir); | |
656 | return ret; | |
657 | } | |
658 | ||
659 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, | |
660 | void __user *useraddr) | |
661 | { | |
7850f63f BH |
662 | struct ethtool_rxnfc rx_rings; |
663 | u32 user_size, dev_size, i; | |
664 | u32 *indir; | |
c03a14e8 | 665 | const struct ethtool_ops *ops = dev->ethtool_ops; |
a5b6ee29 | 666 | int ret; |
3de0b592 | 667 | u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]); |
a5b6ee29 | 668 | |
fe62d001 | 669 | if (!ops->get_rxfh_indir_size || !ops->set_rxfh || |
c03a14e8 | 670 | !ops->get_rxnfc) |
7850f63f | 671 | return -EOPNOTSUPP; |
c03a14e8 JP |
672 | |
673 | dev_size = ops->get_rxfh_indir_size(dev); | |
7850f63f | 674 | if (dev_size == 0) |
a5b6ee29 BH |
675 | return -EOPNOTSUPP; |
676 | ||
7850f63f | 677 | if (copy_from_user(&user_size, |
a5b6ee29 | 678 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
7850f63f | 679 | sizeof(user_size))) |
a5b6ee29 BH |
680 | return -EFAULT; |
681 | ||
278bc429 | 682 | if (user_size != 0 && user_size != dev_size) |
7850f63f BH |
683 | return -EINVAL; |
684 | ||
685 | indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); | |
a5b6ee29 BH |
686 | if (!indir) |
687 | return -ENOMEM; | |
688 | ||
7850f63f | 689 | rx_rings.cmd = ETHTOOL_GRXRINGS; |
c03a14e8 | 690 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); |
7850f63f BH |
691 | if (ret) |
692 | goto out; | |
278bc429 BH |
693 | |
694 | if (user_size == 0) { | |
695 | for (i = 0; i < dev_size; i++) | |
696 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
697 | } else { | |
3de0b592 VD |
698 | ret = ethtool_copy_validate_indir(indir, |
699 | useraddr + ringidx_offset, | |
700 | &rx_rings, | |
701 | dev_size); | |
702 | if (ret) | |
703 | goto out; | |
704 | } | |
705 | ||
892311f6 | 706 | ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE); |
3de0b592 VD |
707 | |
708 | out: | |
709 | kfree(indir); | |
710 | return ret; | |
711 | } | |
712 | ||
713 | static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev, | |
714 | void __user *useraddr) | |
715 | { | |
716 | int ret; | |
717 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
f062a384 | 718 | u32 user_indir_size, user_key_size; |
3de0b592 | 719 | u32 dev_indir_size = 0, dev_key_size = 0; |
f062a384 | 720 | struct ethtool_rxfh rxfh; |
3de0b592 | 721 | u32 total_size; |
f062a384 | 722 | u32 indir_bytes; |
3de0b592 | 723 | u32 *indir = NULL; |
892311f6 | 724 | u8 dev_hfunc = 0; |
3de0b592 VD |
725 | u8 *hkey = NULL; |
726 | u8 *rss_config; | |
727 | ||
892311f6 | 728 | if (!ops->get_rxfh) |
3de0b592 VD |
729 | return -EOPNOTSUPP; |
730 | ||
731 | if (ops->get_rxfh_indir_size) | |
732 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 VD |
733 | if (ops->get_rxfh_key_size) |
734 | dev_key_size = ops->get_rxfh_key_size(dev); | |
735 | ||
f062a384 | 736 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 | 737 | return -EFAULT; |
f062a384 BH |
738 | user_indir_size = rxfh.indir_size; |
739 | user_key_size = rxfh.key_size; | |
3de0b592 | 740 | |
f062a384 | 741 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
742 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
743 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
744 | return -EINVAL; |
745 | ||
746 | rxfh.indir_size = dev_indir_size; | |
747 | rxfh.key_size = dev_key_size; | |
748 | if (copy_to_user(useraddr, &rxfh, sizeof(rxfh))) | |
3de0b592 VD |
749 | return -EFAULT; |
750 | ||
3de0b592 VD |
751 | if ((user_indir_size && (user_indir_size != dev_indir_size)) || |
752 | (user_key_size && (user_key_size != dev_key_size))) | |
753 | return -EINVAL; | |
754 | ||
755 | indir_bytes = user_indir_size * sizeof(indir[0]); | |
756 | total_size = indir_bytes + user_key_size; | |
757 | rss_config = kzalloc(total_size, GFP_USER); | |
758 | if (!rss_config) | |
759 | return -ENOMEM; | |
760 | ||
761 | if (user_indir_size) | |
762 | indir = (u32 *)rss_config; | |
763 | ||
764 | if (user_key_size) | |
765 | hkey = rss_config + indir_bytes; | |
766 | ||
892311f6 EP |
767 | ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc); |
768 | if (ret) | |
769 | goto out; | |
3de0b592 | 770 | |
892311f6 EP |
771 | if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc), |
772 | &dev_hfunc, sizeof(rxfh.hfunc))) { | |
773 | ret = -EFAULT; | |
774 | } else if (copy_to_user(useraddr + | |
775 | offsetof(struct ethtool_rxfh, rss_config[0]), | |
776 | rss_config, total_size)) { | |
777 | ret = -EFAULT; | |
778 | } | |
779 | out: | |
3de0b592 VD |
780 | kfree(rss_config); |
781 | ||
782 | return ret; | |
783 | } | |
784 | ||
785 | static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev, | |
786 | void __user *useraddr) | |
787 | { | |
788 | int ret; | |
789 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
790 | struct ethtool_rxnfc rx_rings; | |
f062a384 BH |
791 | struct ethtool_rxfh rxfh; |
792 | u32 dev_indir_size = 0, dev_key_size = 0, i; | |
3de0b592 VD |
793 | u32 *indir = NULL, indir_bytes = 0; |
794 | u8 *hkey = NULL; | |
795 | u8 *rss_config; | |
3de0b592 VD |
796 | u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]); |
797 | ||
892311f6 | 798 | if (!ops->get_rxnfc || !ops->set_rxfh) |
3de0b592 VD |
799 | return -EOPNOTSUPP; |
800 | ||
801 | if (ops->get_rxfh_indir_size) | |
802 | dev_indir_size = ops->get_rxfh_indir_size(dev); | |
3de0b592 | 803 | if (ops->get_rxfh_key_size) |
d340c862 | 804 | dev_key_size = ops->get_rxfh_key_size(dev); |
3de0b592 | 805 | |
f062a384 | 806 | if (copy_from_user(&rxfh, useraddr, sizeof(rxfh))) |
3de0b592 VD |
807 | return -EFAULT; |
808 | ||
f062a384 | 809 | /* Check that reserved fields are 0 for now */ |
892311f6 EP |
810 | if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] || |
811 | rxfh.rsvd8[2] || rxfh.rsvd32) | |
f062a384 BH |
812 | return -EINVAL; |
813 | ||
892311f6 EP |
814 | /* If either indir, hash key or function is valid, proceed further. |
815 | * Must request at least one change: indir size, hash key or function. | |
3de0b592 | 816 | */ |
f062a384 BH |
817 | if ((rxfh.indir_size && |
818 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE && | |
819 | rxfh.indir_size != dev_indir_size) || | |
820 | (rxfh.key_size && (rxfh.key_size != dev_key_size)) || | |
821 | (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE && | |
892311f6 | 822 | rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE)) |
3de0b592 VD |
823 | return -EINVAL; |
824 | ||
f062a384 | 825 | if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) |
3de0b592 VD |
826 | indir_bytes = dev_indir_size * sizeof(indir[0]); |
827 | ||
f062a384 | 828 | rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER); |
3de0b592 VD |
829 | if (!rss_config) |
830 | return -ENOMEM; | |
831 | ||
832 | rx_rings.cmd = ETHTOOL_GRXRINGS; | |
833 | ret = ops->get_rxnfc(dev, &rx_rings, NULL); | |
834 | if (ret) | |
835 | goto out; | |
836 | ||
f062a384 BH |
837 | /* rxfh.indir_size == 0 means reset the indir table to default. |
838 | * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged. | |
3de0b592 | 839 | */ |
f062a384 BH |
840 | if (rxfh.indir_size && |
841 | rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) { | |
3de0b592 VD |
842 | indir = (u32 *)rss_config; |
843 | ret = ethtool_copy_validate_indir(indir, | |
844 | useraddr + rss_cfg_offset, | |
845 | &rx_rings, | |
f062a384 | 846 | rxfh.indir_size); |
3de0b592 | 847 | if (ret) |
7850f63f | 848 | goto out; |
f062a384 | 849 | } else if (rxfh.indir_size == 0) { |
3de0b592 VD |
850 | indir = (u32 *)rss_config; |
851 | for (i = 0; i < dev_indir_size; i++) | |
852 | indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data); | |
853 | } | |
278bc429 | 854 | |
f062a384 | 855 | if (rxfh.key_size) { |
3de0b592 VD |
856 | hkey = rss_config + indir_bytes; |
857 | if (copy_from_user(hkey, | |
858 | useraddr + rss_cfg_offset + indir_bytes, | |
f062a384 | 859 | rxfh.key_size)) { |
3de0b592 VD |
860 | ret = -EFAULT; |
861 | goto out; | |
278bc429 | 862 | } |
7850f63f BH |
863 | } |
864 | ||
892311f6 | 865 | ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc); |
a5b6ee29 BH |
866 | |
867 | out: | |
3de0b592 | 868 | kfree(rss_config); |
a5b6ee29 BH |
869 | return ret; |
870 | } | |
871 | ||
1da177e4 LT |
872 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
873 | { | |
874 | struct ethtool_regs regs; | |
76fd8593 | 875 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 LT |
876 | void *regbuf; |
877 | int reglen, ret; | |
878 | ||
879 | if (!ops->get_regs || !ops->get_regs_len) | |
880 | return -EOPNOTSUPP; | |
881 | ||
882 | if (copy_from_user(®s, useraddr, sizeof(regs))) | |
883 | return -EFAULT; | |
884 | ||
885 | reglen = ops->get_regs_len(dev); | |
886 | if (regs.len > reglen) | |
887 | regs.len = reglen; | |
888 | ||
b7c7d01a | 889 | regbuf = vzalloc(reglen); |
67ae7cf1 | 890 | if (reglen && !regbuf) |
1da177e4 LT |
891 | return -ENOMEM; |
892 | ||
893 | ops->get_regs(dev, ®s, regbuf); | |
894 | ||
895 | ret = -EFAULT; | |
896 | if (copy_to_user(useraddr, ®s, sizeof(regs))) | |
897 | goto out; | |
898 | useraddr += offsetof(struct ethtool_regs, data); | |
67ae7cf1 | 899 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
1da177e4 LT |
900 | goto out; |
901 | ret = 0; | |
902 | ||
903 | out: | |
a77f5db3 | 904 | vfree(regbuf); |
1da177e4 LT |
905 | return ret; |
906 | } | |
907 | ||
d73d3a8c BH |
908 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
909 | { | |
910 | struct ethtool_value reset; | |
911 | int ret; | |
912 | ||
913 | if (!dev->ethtool_ops->reset) | |
914 | return -EOPNOTSUPP; | |
915 | ||
916 | if (copy_from_user(&reset, useraddr, sizeof(reset))) | |
917 | return -EFAULT; | |
918 | ||
919 | ret = dev->ethtool_ops->reset(dev, &reset.data); | |
920 | if (ret) | |
921 | return ret; | |
922 | ||
923 | if (copy_to_user(useraddr, &reset, sizeof(reset))) | |
924 | return -EFAULT; | |
925 | return 0; | |
926 | } | |
927 | ||
1da177e4 LT |
928 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
929 | { | |
8e557421 | 930 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
1da177e4 LT |
931 | |
932 | if (!dev->ethtool_ops->get_wol) | |
933 | return -EOPNOTSUPP; | |
934 | ||
935 | dev->ethtool_ops->get_wol(dev, &wol); | |
936 | ||
937 | if (copy_to_user(useraddr, &wol, sizeof(wol))) | |
938 | return -EFAULT; | |
939 | return 0; | |
940 | } | |
941 | ||
942 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) | |
943 | { | |
944 | struct ethtool_wolinfo wol; | |
945 | ||
946 | if (!dev->ethtool_ops->set_wol) | |
947 | return -EOPNOTSUPP; | |
948 | ||
949 | if (copy_from_user(&wol, useraddr, sizeof(wol))) | |
950 | return -EFAULT; | |
951 | ||
952 | return dev->ethtool_ops->set_wol(dev, &wol); | |
953 | } | |
954 | ||
80f12ecc YM |
955 | static int ethtool_get_eee(struct net_device *dev, char __user *useraddr) |
956 | { | |
957 | struct ethtool_eee edata; | |
958 | int rc; | |
959 | ||
960 | if (!dev->ethtool_ops->get_eee) | |
961 | return -EOPNOTSUPP; | |
962 | ||
963 | memset(&edata, 0, sizeof(struct ethtool_eee)); | |
964 | edata.cmd = ETHTOOL_GEEE; | |
965 | rc = dev->ethtool_ops->get_eee(dev, &edata); | |
966 | ||
967 | if (rc) | |
968 | return rc; | |
969 | ||
970 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
971 | return -EFAULT; | |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
976 | static int ethtool_set_eee(struct net_device *dev, char __user *useraddr) | |
977 | { | |
978 | struct ethtool_eee edata; | |
979 | ||
980 | if (!dev->ethtool_ops->set_eee) | |
981 | return -EOPNOTSUPP; | |
982 | ||
983 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
984 | return -EFAULT; | |
985 | ||
986 | return dev->ethtool_ops->set_eee(dev, &edata); | |
987 | } | |
988 | ||
1da177e4 LT |
989 | static int ethtool_nway_reset(struct net_device *dev) |
990 | { | |
991 | if (!dev->ethtool_ops->nway_reset) | |
992 | return -EOPNOTSUPP; | |
993 | ||
994 | return dev->ethtool_ops->nway_reset(dev); | |
995 | } | |
996 | ||
e596e6e4 BH |
997 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
998 | { | |
999 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; | |
1000 | ||
1001 | if (!dev->ethtool_ops->get_link) | |
1002 | return -EOPNOTSUPP; | |
1003 | ||
1004 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); | |
1005 | ||
1006 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1007 | return -EFAULT; | |
1008 | return 0; | |
1009 | } | |
1010 | ||
081d094e BH |
1011 | static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, |
1012 | int (*getter)(struct net_device *, | |
1013 | struct ethtool_eeprom *, u8 *), | |
1014 | u32 total_len) | |
1da177e4 LT |
1015 | { |
1016 | struct ethtool_eeprom eeprom; | |
b131dd5d MSB |
1017 | void __user *userbuf = useraddr + sizeof(eeprom); |
1018 | u32 bytes_remaining; | |
1da177e4 | 1019 | u8 *data; |
b131dd5d | 1020 | int ret = 0; |
1da177e4 | 1021 | |
1da177e4 LT |
1022 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
1023 | return -EFAULT; | |
1024 | ||
1025 | /* Check for wrap and zero */ | |
1026 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1027 | return -EINVAL; | |
1028 | ||
1029 | /* Check for exceeding total eeprom len */ | |
081d094e | 1030 | if (eeprom.offset + eeprom.len > total_len) |
1da177e4 LT |
1031 | return -EINVAL; |
1032 | ||
b131dd5d | 1033 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1034 | if (!data) |
1035 | return -ENOMEM; | |
1036 | ||
b131dd5d MSB |
1037 | bytes_remaining = eeprom.len; |
1038 | while (bytes_remaining > 0) { | |
1039 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1040 | ||
081d094e | 1041 | ret = getter(dev, &eeprom, data); |
b131dd5d MSB |
1042 | if (ret) |
1043 | break; | |
1044 | if (copy_to_user(userbuf, data, eeprom.len)) { | |
1045 | ret = -EFAULT; | |
1046 | break; | |
1047 | } | |
1048 | userbuf += eeprom.len; | |
1049 | eeprom.offset += eeprom.len; | |
1050 | bytes_remaining -= eeprom.len; | |
1051 | } | |
1da177e4 | 1052 | |
c5835df9 MSB |
1053 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
1054 | eeprom.offset -= eeprom.len; | |
1055 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) | |
1056 | ret = -EFAULT; | |
1057 | ||
1da177e4 LT |
1058 | kfree(data); |
1059 | return ret; | |
1060 | } | |
1061 | ||
081d094e BH |
1062 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
1063 | { | |
1064 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1065 | ||
e0fb6fb6 GR |
1066 | if (!ops->get_eeprom || !ops->get_eeprom_len || |
1067 | !ops->get_eeprom_len(dev)) | |
081d094e BH |
1068 | return -EOPNOTSUPP; |
1069 | ||
1070 | return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom, | |
1071 | ops->get_eeprom_len(dev)); | |
1072 | } | |
1073 | ||
1da177e4 LT |
1074 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
1075 | { | |
1076 | struct ethtool_eeprom eeprom; | |
76fd8593 | 1077 | const struct ethtool_ops *ops = dev->ethtool_ops; |
b131dd5d MSB |
1078 | void __user *userbuf = useraddr + sizeof(eeprom); |
1079 | u32 bytes_remaining; | |
1da177e4 | 1080 | u8 *data; |
b131dd5d | 1081 | int ret = 0; |
1da177e4 | 1082 | |
e0fb6fb6 GR |
1083 | if (!ops->set_eeprom || !ops->get_eeprom_len || |
1084 | !ops->get_eeprom_len(dev)) | |
1da177e4 LT |
1085 | return -EOPNOTSUPP; |
1086 | ||
1087 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) | |
1088 | return -EFAULT; | |
1089 | ||
1090 | /* Check for wrap and zero */ | |
1091 | if (eeprom.offset + eeprom.len <= eeprom.offset) | |
1092 | return -EINVAL; | |
1093 | ||
1094 | /* Check for exceeding total eeprom len */ | |
1095 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) | |
1096 | return -EINVAL; | |
1097 | ||
b131dd5d | 1098 | data = kmalloc(PAGE_SIZE, GFP_USER); |
1da177e4 LT |
1099 | if (!data) |
1100 | return -ENOMEM; | |
1101 | ||
b131dd5d MSB |
1102 | bytes_remaining = eeprom.len; |
1103 | while (bytes_remaining > 0) { | |
1104 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); | |
1105 | ||
1106 | if (copy_from_user(data, userbuf, eeprom.len)) { | |
1107 | ret = -EFAULT; | |
1108 | break; | |
1109 | } | |
1110 | ret = ops->set_eeprom(dev, &eeprom, data); | |
1111 | if (ret) | |
1112 | break; | |
1113 | userbuf += eeprom.len; | |
1114 | eeprom.offset += eeprom.len; | |
1115 | bytes_remaining -= eeprom.len; | |
1116 | } | |
1da177e4 | 1117 | |
1da177e4 LT |
1118 | kfree(data); |
1119 | return ret; | |
1120 | } | |
1121 | ||
97f8aefb | 1122 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
1123 | void __user *useraddr) | |
1da177e4 | 1124 | { |
8e557421 | 1125 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
1da177e4 LT |
1126 | |
1127 | if (!dev->ethtool_ops->get_coalesce) | |
1128 | return -EOPNOTSUPP; | |
1129 | ||
1130 | dev->ethtool_ops->get_coalesce(dev, &coalesce); | |
1131 | ||
1132 | if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) | |
1133 | return -EFAULT; | |
1134 | return 0; | |
1135 | } | |
1136 | ||
97f8aefb | 1137 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
1138 | void __user *useraddr) | |
1da177e4 LT |
1139 | { |
1140 | struct ethtool_coalesce coalesce; | |
1141 | ||
fa04ae5c | 1142 | if (!dev->ethtool_ops->set_coalesce) |
1da177e4 LT |
1143 | return -EOPNOTSUPP; |
1144 | ||
1145 | if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) | |
1146 | return -EFAULT; | |
1147 | ||
1148 | return dev->ethtool_ops->set_coalesce(dev, &coalesce); | |
1149 | } | |
1150 | ||
1151 | static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) | |
1152 | { | |
8e557421 | 1153 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
1da177e4 LT |
1154 | |
1155 | if (!dev->ethtool_ops->get_ringparam) | |
1156 | return -EOPNOTSUPP; | |
1157 | ||
1158 | dev->ethtool_ops->get_ringparam(dev, &ringparam); | |
1159 | ||
1160 | if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) | |
1161 | return -EFAULT; | |
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) | |
1166 | { | |
1167 | struct ethtool_ringparam ringparam; | |
1168 | ||
1169 | if (!dev->ethtool_ops->set_ringparam) | |
1170 | return -EOPNOTSUPP; | |
1171 | ||
1172 | if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) | |
1173 | return -EFAULT; | |
1174 | ||
1175 | return dev->ethtool_ops->set_ringparam(dev, &ringparam); | |
1176 | } | |
1177 | ||
8b5933c3 | 1178 | static noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
1179 | void __user *useraddr) | |
1180 | { | |
1181 | struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; | |
1182 | ||
1183 | if (!dev->ethtool_ops->get_channels) | |
1184 | return -EOPNOTSUPP; | |
1185 | ||
1186 | dev->ethtool_ops->get_channels(dev, &channels); | |
1187 | ||
1188 | if (copy_to_user(useraddr, &channels, sizeof(channels))) | |
1189 | return -EFAULT; | |
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | static noinline_for_stack int ethtool_set_channels(struct net_device *dev, | |
1194 | void __user *useraddr) | |
1195 | { | |
1196 | struct ethtool_channels channels; | |
1197 | ||
1198 | if (!dev->ethtool_ops->set_channels) | |
1199 | return -EOPNOTSUPP; | |
1200 | ||
1201 | if (copy_from_user(&channels, useraddr, sizeof(channels))) | |
1202 | return -EFAULT; | |
1203 | ||
1204 | return dev->ethtool_ops->set_channels(dev, &channels); | |
1205 | } | |
1206 | ||
1da177e4 LT |
1207 | static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) |
1208 | { | |
1209 | struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; | |
1210 | ||
1211 | if (!dev->ethtool_ops->get_pauseparam) | |
1212 | return -EOPNOTSUPP; | |
1213 | ||
1214 | dev->ethtool_ops->get_pauseparam(dev, &pauseparam); | |
1215 | ||
1216 | if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) | |
1217 | return -EFAULT; | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) | |
1222 | { | |
1223 | struct ethtool_pauseparam pauseparam; | |
1224 | ||
e1b90c41 | 1225 | if (!dev->ethtool_ops->set_pauseparam) |
1da177e4 LT |
1226 | return -EOPNOTSUPP; |
1227 | ||
1228 | if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) | |
1229 | return -EFAULT; | |
1230 | ||
1231 | return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); | |
1232 | } | |
1233 | ||
1da177e4 LT |
1234 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
1235 | { | |
1236 | struct ethtool_test test; | |
76fd8593 | 1237 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1238 | u64 *data; |
ff03d49f | 1239 | int ret, test_len; |
1da177e4 | 1240 | |
a9828ec6 | 1241 | if (!ops->self_test || !ops->get_sset_count) |
1da177e4 LT |
1242 | return -EOPNOTSUPP; |
1243 | ||
a9828ec6 | 1244 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
ff03d49f JG |
1245 | if (test_len < 0) |
1246 | return test_len; | |
1247 | WARN_ON(test_len == 0); | |
1248 | ||
1da177e4 LT |
1249 | if (copy_from_user(&test, useraddr, sizeof(test))) |
1250 | return -EFAULT; | |
1251 | ||
ff03d49f JG |
1252 | test.len = test_len; |
1253 | data = kmalloc(test_len * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1254 | if (!data) |
1255 | return -ENOMEM; | |
1256 | ||
1257 | ops->self_test(dev, &test, data); | |
1258 | ||
1259 | ret = -EFAULT; | |
1260 | if (copy_to_user(useraddr, &test, sizeof(test))) | |
1261 | goto out; | |
1262 | useraddr += sizeof(test); | |
1263 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) | |
1264 | goto out; | |
1265 | ret = 0; | |
1266 | ||
1267 | out: | |
1268 | kfree(data); | |
1269 | return ret; | |
1270 | } | |
1271 | ||
1272 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) | |
1273 | { | |
1274 | struct ethtool_gstrings gstrings; | |
1da177e4 LT |
1275 | u8 *data; |
1276 | int ret; | |
1277 | ||
1da177e4 LT |
1278 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
1279 | return -EFAULT; | |
1280 | ||
340ae165 | 1281 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
a9828ec6 BH |
1282 | if (ret < 0) |
1283 | return ret; | |
1284 | ||
1285 | gstrings.len = ret; | |
1da177e4 | 1286 | |
077cb37f | 1287 | data = kcalloc(gstrings.len, ETH_GSTRING_LEN, GFP_USER); |
1da177e4 LT |
1288 | if (!data) |
1289 | return -ENOMEM; | |
1290 | ||
340ae165 | 1291 | __ethtool_get_strings(dev, gstrings.string_set, data); |
1da177e4 LT |
1292 | |
1293 | ret = -EFAULT; | |
1294 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) | |
1295 | goto out; | |
1296 | useraddr += sizeof(gstrings); | |
1297 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) | |
1298 | goto out; | |
1299 | ret = 0; | |
1300 | ||
340ae165 | 1301 | out: |
1da177e4 LT |
1302 | kfree(data); |
1303 | return ret; | |
1304 | } | |
1305 | ||
1306 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) | |
1307 | { | |
1308 | struct ethtool_value id; | |
68f512f2 | 1309 | static bool busy; |
c03a14e8 | 1310 | const struct ethtool_ops *ops = dev->ethtool_ops; |
68f512f2 | 1311 | int rc; |
1da177e4 | 1312 | |
c03a14e8 | 1313 | if (!ops->set_phys_id) |
1da177e4 LT |
1314 | return -EOPNOTSUPP; |
1315 | ||
68f512f2 BH |
1316 | if (busy) |
1317 | return -EBUSY; | |
1318 | ||
1da177e4 LT |
1319 | if (copy_from_user(&id, useraddr, sizeof(id))) |
1320 | return -EFAULT; | |
1321 | ||
c03a14e8 | 1322 | rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
fce55922 | 1323 | if (rc < 0) |
68f512f2 BH |
1324 | return rc; |
1325 | ||
1326 | /* Drop the RTNL lock while waiting, but prevent reentry or | |
1327 | * removal of the device. | |
1328 | */ | |
1329 | busy = true; | |
1330 | dev_hold(dev); | |
1331 | rtnl_unlock(); | |
1332 | ||
1333 | if (rc == 0) { | |
1334 | /* Driver will handle this itself */ | |
1335 | schedule_timeout_interruptible( | |
143780c6 | 1336 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
68f512f2 | 1337 | } else { |
fce55922 AB |
1338 | /* Driver expects to be called at twice the frequency in rc */ |
1339 | int n = rc * 2, i, interval = HZ / n; | |
1340 | ||
1341 | /* Count down seconds */ | |
68f512f2 | 1342 | do { |
fce55922 AB |
1343 | /* Count down iterations per second */ |
1344 | i = n; | |
1345 | do { | |
1346 | rtnl_lock(); | |
c03a14e8 | 1347 | rc = ops->set_phys_id(dev, |
fce55922 AB |
1348 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
1349 | rtnl_unlock(); | |
1350 | if (rc) | |
1351 | break; | |
1352 | schedule_timeout_interruptible(interval); | |
1353 | } while (!signal_pending(current) && --i != 0); | |
68f512f2 BH |
1354 | } while (!signal_pending(current) && |
1355 | (id.data == 0 || --id.data != 0)); | |
1356 | } | |
1357 | ||
1358 | rtnl_lock(); | |
1359 | dev_put(dev); | |
1360 | busy = false; | |
1361 | ||
c03a14e8 | 1362 | (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
68f512f2 | 1363 | return rc; |
1da177e4 LT |
1364 | } |
1365 | ||
1366 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) | |
1367 | { | |
1368 | struct ethtool_stats stats; | |
76fd8593 | 1369 | const struct ethtool_ops *ops = dev->ethtool_ops; |
1da177e4 | 1370 | u64 *data; |
ff03d49f | 1371 | int ret, n_stats; |
1da177e4 | 1372 | |
a9828ec6 | 1373 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
1da177e4 LT |
1374 | return -EOPNOTSUPP; |
1375 | ||
a9828ec6 | 1376 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
ff03d49f JG |
1377 | if (n_stats < 0) |
1378 | return n_stats; | |
1379 | WARN_ON(n_stats == 0); | |
1380 | ||
1da177e4 LT |
1381 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
1382 | return -EFAULT; | |
1383 | ||
ff03d49f JG |
1384 | stats.n_stats = n_stats; |
1385 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); | |
1da177e4 LT |
1386 | if (!data) |
1387 | return -ENOMEM; | |
1388 | ||
1389 | ops->get_ethtool_stats(dev, &stats, data); | |
1390 | ||
1391 | ret = -EFAULT; | |
1392 | if (copy_to_user(useraddr, &stats, sizeof(stats))) | |
1393 | goto out; | |
1394 | useraddr += sizeof(stats); | |
1395 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) | |
1396 | goto out; | |
1397 | ret = 0; | |
1398 | ||
1399 | out: | |
1400 | kfree(data); | |
1401 | return ret; | |
1402 | } | |
1403 | ||
0bf0519d | 1404 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
a6f9a705 JW |
1405 | { |
1406 | struct ethtool_perm_addr epaddr; | |
a6f9a705 | 1407 | |
313674af | 1408 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
a6f9a705 JW |
1409 | return -EFAULT; |
1410 | ||
313674af MW |
1411 | if (epaddr.size < dev->addr_len) |
1412 | return -ETOOSMALL; | |
1413 | epaddr.size = dev->addr_len; | |
a6f9a705 | 1414 | |
a6f9a705 | 1415 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
313674af | 1416 | return -EFAULT; |
a6f9a705 | 1417 | useraddr += sizeof(epaddr); |
313674af MW |
1418 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
1419 | return -EFAULT; | |
1420 | return 0; | |
a6f9a705 JW |
1421 | } |
1422 | ||
13c99b24 JG |
1423 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
1424 | u32 cmd, u32 (*actor)(struct net_device *)) | |
3ae7c0b2 | 1425 | { |
8e557421 | 1426 | struct ethtool_value edata = { .cmd = cmd }; |
3ae7c0b2 | 1427 | |
13c99b24 | 1428 | if (!actor) |
3ae7c0b2 JG |
1429 | return -EOPNOTSUPP; |
1430 | ||
13c99b24 | 1431 | edata.data = actor(dev); |
3ae7c0b2 JG |
1432 | |
1433 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
1434 | return -EFAULT; | |
1435 | return 0; | |
1436 | } | |
1437 | ||
13c99b24 JG |
1438 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
1439 | void (*actor)(struct net_device *, u32)) | |
3ae7c0b2 JG |
1440 | { |
1441 | struct ethtool_value edata; | |
1442 | ||
13c99b24 | 1443 | if (!actor) |
3ae7c0b2 JG |
1444 | return -EOPNOTSUPP; |
1445 | ||
1446 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1447 | return -EFAULT; | |
1448 | ||
13c99b24 | 1449 | actor(dev, edata.data); |
339bf024 JG |
1450 | return 0; |
1451 | } | |
1452 | ||
13c99b24 JG |
1453 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
1454 | int (*actor)(struct net_device *, u32)) | |
339bf024 JG |
1455 | { |
1456 | struct ethtool_value edata; | |
1457 | ||
13c99b24 | 1458 | if (!actor) |
339bf024 JG |
1459 | return -EOPNOTSUPP; |
1460 | ||
1461 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1462 | return -EFAULT; | |
1463 | ||
13c99b24 | 1464 | return actor(dev, edata.data); |
339bf024 JG |
1465 | } |
1466 | ||
97f8aefb | 1467 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
1468 | char __user *useraddr) | |
05c6a8d7 AK |
1469 | { |
1470 | struct ethtool_flash efl; | |
1471 | ||
1472 | if (copy_from_user(&efl, useraddr, sizeof(efl))) | |
1473 | return -EFAULT; | |
1474 | ||
1475 | if (!dev->ethtool_ops->flash_device) | |
1476 | return -EOPNOTSUPP; | |
1477 | ||
786f5281 BH |
1478 | efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; |
1479 | ||
05c6a8d7 AK |
1480 | return dev->ethtool_ops->flash_device(dev, &efl); |
1481 | } | |
1482 | ||
29dd54b7 AC |
1483 | static int ethtool_set_dump(struct net_device *dev, |
1484 | void __user *useraddr) | |
1485 | { | |
1486 | struct ethtool_dump dump; | |
1487 | ||
1488 | if (!dev->ethtool_ops->set_dump) | |
1489 | return -EOPNOTSUPP; | |
1490 | ||
1491 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1492 | return -EFAULT; | |
1493 | ||
1494 | return dev->ethtool_ops->set_dump(dev, &dump); | |
1495 | } | |
1496 | ||
1497 | static int ethtool_get_dump_flag(struct net_device *dev, | |
1498 | void __user *useraddr) | |
1499 | { | |
1500 | int ret; | |
1501 | struct ethtool_dump dump; | |
1502 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1503 | ||
c03a14e8 | 1504 | if (!ops->get_dump_flag) |
29dd54b7 AC |
1505 | return -EOPNOTSUPP; |
1506 | ||
1507 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1508 | return -EFAULT; | |
1509 | ||
1510 | ret = ops->get_dump_flag(dev, &dump); | |
1511 | if (ret) | |
1512 | return ret; | |
1513 | ||
1514 | if (copy_to_user(useraddr, &dump, sizeof(dump))) | |
1515 | return -EFAULT; | |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | static int ethtool_get_dump_data(struct net_device *dev, | |
1520 | void __user *useraddr) | |
1521 | { | |
1522 | int ret; | |
1523 | __u32 len; | |
1524 | struct ethtool_dump dump, tmp; | |
1525 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1526 | void *data = NULL; | |
1527 | ||
c03a14e8 | 1528 | if (!ops->get_dump_data || !ops->get_dump_flag) |
29dd54b7 AC |
1529 | return -EOPNOTSUPP; |
1530 | ||
1531 | if (copy_from_user(&dump, useraddr, sizeof(dump))) | |
1532 | return -EFAULT; | |
1533 | ||
1534 | memset(&tmp, 0, sizeof(tmp)); | |
1535 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; | |
1536 | ret = ops->get_dump_flag(dev, &tmp); | |
1537 | if (ret) | |
1538 | return ret; | |
1539 | ||
c590b5e2 | 1540 | len = min(tmp.len, dump.len); |
29dd54b7 AC |
1541 | if (!len) |
1542 | return -EFAULT; | |
1543 | ||
c590b5e2 MS |
1544 | /* Don't ever let the driver think there's more space available |
1545 | * than it requested with .get_dump_flag(). | |
1546 | */ | |
1547 | dump.len = len; | |
1548 | ||
1549 | /* Always allocate enough space to hold the whole thing so that the | |
1550 | * driver does not need to check the length and bother with partial | |
1551 | * dumping. | |
1552 | */ | |
29dd54b7 AC |
1553 | data = vzalloc(tmp.len); |
1554 | if (!data) | |
1555 | return -ENOMEM; | |
1556 | ret = ops->get_dump_data(dev, &dump, data); | |
1557 | if (ret) | |
1558 | goto out; | |
1559 | ||
c590b5e2 MS |
1560 | /* There are two sane possibilities: |
1561 | * 1. The driver's .get_dump_data() does not touch dump.len. | |
1562 | * 2. Or it may set dump.len to how much it really writes, which | |
1563 | * should be tmp.len (or len if it can do a partial dump). | |
1564 | * In any case respond to userspace with the actual length of data | |
1565 | * it's receiving. | |
1566 | */ | |
1567 | WARN_ON(dump.len != len && dump.len != tmp.len); | |
1568 | dump.len = len; | |
1569 | ||
29dd54b7 AC |
1570 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { |
1571 | ret = -EFAULT; | |
1572 | goto out; | |
1573 | } | |
1574 | useraddr += offsetof(struct ethtool_dump, data); | |
1575 | if (copy_to_user(useraddr, data, len)) | |
1576 | ret = -EFAULT; | |
1577 | out: | |
1578 | vfree(data); | |
1579 | return ret; | |
1580 | } | |
1581 | ||
c8f3a8c3 RC |
1582 | static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr) |
1583 | { | |
1584 | int err = 0; | |
1585 | struct ethtool_ts_info info; | |
1586 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1587 | struct phy_device *phydev = dev->phydev; | |
1588 | ||
1589 | memset(&info, 0, sizeof(info)); | |
1590 | info.cmd = ETHTOOL_GET_TS_INFO; | |
1591 | ||
1592 | if (phydev && phydev->drv && phydev->drv->ts_info) { | |
c8f3a8c3 | 1593 | err = phydev->drv->ts_info(phydev, &info); |
c03a14e8 | 1594 | } else if (ops->get_ts_info) { |
c8f3a8c3 | 1595 | err = ops->get_ts_info(dev, &info); |
c8f3a8c3 RC |
1596 | } else { |
1597 | info.so_timestamping = | |
1598 | SOF_TIMESTAMPING_RX_SOFTWARE | | |
1599 | SOF_TIMESTAMPING_SOFTWARE; | |
1600 | info.phc_index = -1; | |
1601 | } | |
1602 | ||
1603 | if (err) | |
1604 | return err; | |
1605 | ||
1606 | if (copy_to_user(useraddr, &info, sizeof(info))) | |
1607 | err = -EFAULT; | |
1608 | ||
1609 | return err; | |
1610 | } | |
1611 | ||
2f438366 ES |
1612 | static int __ethtool_get_module_info(struct net_device *dev, |
1613 | struct ethtool_modinfo *modinfo) | |
1614 | { | |
1615 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1616 | struct phy_device *phydev = dev->phydev; | |
1617 | ||
1618 | if (phydev && phydev->drv && phydev->drv->module_info) | |
1619 | return phydev->drv->module_info(phydev, modinfo); | |
1620 | ||
1621 | if (ops->get_module_info) | |
1622 | return ops->get_module_info(dev, modinfo); | |
1623 | ||
1624 | return -EOPNOTSUPP; | |
1625 | } | |
1626 | ||
41c3cb6d SH |
1627 | static int ethtool_get_module_info(struct net_device *dev, |
1628 | void __user *useraddr) | |
1629 | { | |
1630 | int ret; | |
1631 | struct ethtool_modinfo modinfo; | |
41c3cb6d SH |
1632 | |
1633 | if (copy_from_user(&modinfo, useraddr, sizeof(modinfo))) | |
1634 | return -EFAULT; | |
1635 | ||
2f438366 | 1636 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1637 | if (ret) |
1638 | return ret; | |
1639 | ||
1640 | if (copy_to_user(useraddr, &modinfo, sizeof(modinfo))) | |
1641 | return -EFAULT; | |
1642 | ||
1643 | return 0; | |
1644 | } | |
1645 | ||
2f438366 ES |
1646 | static int __ethtool_get_module_eeprom(struct net_device *dev, |
1647 | struct ethtool_eeprom *ee, u8 *data) | |
1648 | { | |
1649 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1650 | struct phy_device *phydev = dev->phydev; | |
1651 | ||
1652 | if (phydev && phydev->drv && phydev->drv->module_eeprom) | |
1653 | return phydev->drv->module_eeprom(phydev, ee, data); | |
1654 | ||
1655 | if (ops->get_module_eeprom) | |
1656 | return ops->get_module_eeprom(dev, ee, data); | |
1657 | ||
1658 | return -EOPNOTSUPP; | |
1659 | } | |
1660 | ||
41c3cb6d SH |
1661 | static int ethtool_get_module_eeprom(struct net_device *dev, |
1662 | void __user *useraddr) | |
1663 | { | |
1664 | int ret; | |
1665 | struct ethtool_modinfo modinfo; | |
41c3cb6d | 1666 | |
2f438366 | 1667 | ret = __ethtool_get_module_info(dev, &modinfo); |
41c3cb6d SH |
1668 | if (ret) |
1669 | return ret; | |
1670 | ||
2f438366 ES |
1671 | return ethtool_get_any_eeprom(dev, useraddr, |
1672 | __ethtool_get_module_eeprom, | |
41c3cb6d SH |
1673 | modinfo.eeprom_len); |
1674 | } | |
1675 | ||
f0db9b07 GV |
1676 | static int ethtool_tunable_valid(const struct ethtool_tunable *tuna) |
1677 | { | |
1678 | switch (tuna->id) { | |
1679 | case ETHTOOL_RX_COPYBREAK: | |
1255a505 | 1680 | case ETHTOOL_TX_COPYBREAK: |
f0db9b07 GV |
1681 | if (tuna->len != sizeof(u32) || |
1682 | tuna->type_id != ETHTOOL_TUNABLE_U32) | |
1683 | return -EINVAL; | |
1684 | break; | |
1685 | default: | |
1686 | return -EINVAL; | |
1687 | } | |
1688 | ||
1689 | return 0; | |
1690 | } | |
1691 | ||
1692 | static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr) | |
1693 | { | |
1694 | int ret; | |
1695 | struct ethtool_tunable tuna; | |
1696 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1697 | void *data; | |
1698 | ||
1699 | if (!ops->get_tunable) | |
1700 | return -EOPNOTSUPP; | |
1701 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1702 | return -EFAULT; | |
1703 | ret = ethtool_tunable_valid(&tuna); | |
1704 | if (ret) | |
1705 | return ret; | |
1706 | data = kmalloc(tuna.len, GFP_USER); | |
1707 | if (!data) | |
1708 | return -ENOMEM; | |
1709 | ret = ops->get_tunable(dev, &tuna, data); | |
1710 | if (ret) | |
1711 | goto out; | |
1712 | useraddr += sizeof(tuna); | |
1713 | ret = -EFAULT; | |
1714 | if (copy_to_user(useraddr, data, tuna.len)) | |
1715 | goto out; | |
1716 | ret = 0; | |
1717 | ||
1718 | out: | |
1719 | kfree(data); | |
1720 | return ret; | |
1721 | } | |
1722 | ||
1723 | static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr) | |
1724 | { | |
1725 | int ret; | |
1726 | struct ethtool_tunable tuna; | |
1727 | const struct ethtool_ops *ops = dev->ethtool_ops; | |
1728 | void *data; | |
1729 | ||
1730 | if (!ops->set_tunable) | |
1731 | return -EOPNOTSUPP; | |
1732 | if (copy_from_user(&tuna, useraddr, sizeof(tuna))) | |
1733 | return -EFAULT; | |
1734 | ret = ethtool_tunable_valid(&tuna); | |
1735 | if (ret) | |
1736 | return ret; | |
1737 | data = kmalloc(tuna.len, GFP_USER); | |
1738 | if (!data) | |
1739 | return -ENOMEM; | |
1740 | useraddr += sizeof(tuna); | |
1741 | ret = -EFAULT; | |
1742 | if (copy_from_user(data, useraddr, tuna.len)) | |
1743 | goto out; | |
1744 | ret = ops->set_tunable(dev, &tuna, data); | |
1745 | ||
1746 | out: | |
1747 | kfree(data); | |
1748 | return ret; | |
1749 | } | |
1750 | ||
600fed5e | 1751 | /* The main entry point in this file. Called from net/core/dev_ioctl.c */ |
1da177e4 | 1752 | |
881d966b | 1753 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
1da177e4 | 1754 | { |
881d966b | 1755 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
1da177e4 LT |
1756 | void __user *useraddr = ifr->ifr_data; |
1757 | u32 ethcmd; | |
1758 | int rc; | |
b29d3145 | 1759 | netdev_features_t old_features; |
1da177e4 | 1760 | |
1da177e4 LT |
1761 | if (!dev || !netif_device_present(dev)) |
1762 | return -ENODEV; | |
1763 | ||
97f8aefb | 1764 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
1da177e4 LT |
1765 | return -EFAULT; |
1766 | ||
75f3123c | 1767 | /* Allow some commands to be done by anyone */ |
97f8aefb | 1768 | switch (ethcmd) { |
0fdc100b | 1769 | case ETHTOOL_GSET: |
75f3123c | 1770 | case ETHTOOL_GDRVINFO: |
75f3123c | 1771 | case ETHTOOL_GMSGLVL: |
2da45db2 | 1772 | case ETHTOOL_GLINK: |
75f3123c SH |
1773 | case ETHTOOL_GCOALESCE: |
1774 | case ETHTOOL_GRINGPARAM: | |
1775 | case ETHTOOL_GPAUSEPARAM: | |
1776 | case ETHTOOL_GRXCSUM: | |
1777 | case ETHTOOL_GTXCSUM: | |
1778 | case ETHTOOL_GSG: | |
f80400a2 | 1779 | case ETHTOOL_GSSET_INFO: |
75f3123c | 1780 | case ETHTOOL_GSTRINGS: |
2da45db2 | 1781 | case ETHTOOL_GSTATS: |
75f3123c SH |
1782 | case ETHTOOL_GTSO: |
1783 | case ETHTOOL_GPERMADDR: | |
1784 | case ETHTOOL_GUFO: | |
1785 | case ETHTOOL_GGSO: | |
1cab819b | 1786 | case ETHTOOL_GGRO: |
339bf024 JG |
1787 | case ETHTOOL_GFLAGS: |
1788 | case ETHTOOL_GPFLAGS: | |
0853ad66 | 1789 | case ETHTOOL_GRXFH: |
59089d8d SB |
1790 | case ETHTOOL_GRXRINGS: |
1791 | case ETHTOOL_GRXCLSRLCNT: | |
1792 | case ETHTOOL_GRXCLSRULE: | |
1793 | case ETHTOOL_GRXCLSRLALL: | |
2da45db2 | 1794 | case ETHTOOL_GRXFHINDIR: |
3de0b592 | 1795 | case ETHTOOL_GRSSH: |
5455c699 | 1796 | case ETHTOOL_GFEATURES: |
2da45db2 | 1797 | case ETHTOOL_GCHANNELS: |
c8f3a8c3 | 1798 | case ETHTOOL_GET_TS_INFO: |
2da45db2 | 1799 | case ETHTOOL_GEEE: |
f0db9b07 | 1800 | case ETHTOOL_GTUNABLE: |
75f3123c SH |
1801 | break; |
1802 | default: | |
5e1fccc0 | 1803 | if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
75f3123c SH |
1804 | return -EPERM; |
1805 | } | |
1806 | ||
97f8aefb | 1807 | if (dev->ethtool_ops->begin) { |
1808 | rc = dev->ethtool_ops->begin(dev); | |
1809 | if (rc < 0) | |
1da177e4 | 1810 | return rc; |
97f8aefb | 1811 | } |
d8a33ac4 SH |
1812 | old_features = dev->features; |
1813 | ||
1da177e4 LT |
1814 | switch (ethcmd) { |
1815 | case ETHTOOL_GSET: | |
1816 | rc = ethtool_get_settings(dev, useraddr); | |
1817 | break; | |
1818 | case ETHTOOL_SSET: | |
1819 | rc = ethtool_set_settings(dev, useraddr); | |
1820 | break; | |
1821 | case ETHTOOL_GDRVINFO: | |
1822 | rc = ethtool_get_drvinfo(dev, useraddr); | |
1da177e4 LT |
1823 | break; |
1824 | case ETHTOOL_GREGS: | |
1825 | rc = ethtool_get_regs(dev, useraddr); | |
1826 | break; | |
1827 | case ETHTOOL_GWOL: | |
1828 | rc = ethtool_get_wol(dev, useraddr); | |
1829 | break; | |
1830 | case ETHTOOL_SWOL: | |
1831 | rc = ethtool_set_wol(dev, useraddr); | |
1832 | break; | |
1833 | case ETHTOOL_GMSGLVL: | |
13c99b24 JG |
1834 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1835 | dev->ethtool_ops->get_msglevel); | |
1da177e4 LT |
1836 | break; |
1837 | case ETHTOOL_SMSGLVL: | |
13c99b24 JG |
1838 | rc = ethtool_set_value_void(dev, useraddr, |
1839 | dev->ethtool_ops->set_msglevel); | |
1da177e4 | 1840 | break; |
80f12ecc YM |
1841 | case ETHTOOL_GEEE: |
1842 | rc = ethtool_get_eee(dev, useraddr); | |
1843 | break; | |
1844 | case ETHTOOL_SEEE: | |
1845 | rc = ethtool_set_eee(dev, useraddr); | |
1846 | break; | |
1da177e4 LT |
1847 | case ETHTOOL_NWAY_RST: |
1848 | rc = ethtool_nway_reset(dev); | |
1849 | break; | |
1850 | case ETHTOOL_GLINK: | |
e596e6e4 | 1851 | rc = ethtool_get_link(dev, useraddr); |
1da177e4 LT |
1852 | break; |
1853 | case ETHTOOL_GEEPROM: | |
1854 | rc = ethtool_get_eeprom(dev, useraddr); | |
1855 | break; | |
1856 | case ETHTOOL_SEEPROM: | |
1857 | rc = ethtool_set_eeprom(dev, useraddr); | |
1858 | break; | |
1859 | case ETHTOOL_GCOALESCE: | |
1860 | rc = ethtool_get_coalesce(dev, useraddr); | |
1861 | break; | |
1862 | case ETHTOOL_SCOALESCE: | |
1863 | rc = ethtool_set_coalesce(dev, useraddr); | |
1864 | break; | |
1865 | case ETHTOOL_GRINGPARAM: | |
1866 | rc = ethtool_get_ringparam(dev, useraddr); | |
1867 | break; | |
1868 | case ETHTOOL_SRINGPARAM: | |
1869 | rc = ethtool_set_ringparam(dev, useraddr); | |
1870 | break; | |
1871 | case ETHTOOL_GPAUSEPARAM: | |
1872 | rc = ethtool_get_pauseparam(dev, useraddr); | |
1873 | break; | |
1874 | case ETHTOOL_SPAUSEPARAM: | |
1875 | rc = ethtool_set_pauseparam(dev, useraddr); | |
1876 | break; | |
1da177e4 LT |
1877 | case ETHTOOL_TEST: |
1878 | rc = ethtool_self_test(dev, useraddr); | |
1879 | break; | |
1880 | case ETHTOOL_GSTRINGS: | |
1881 | rc = ethtool_get_strings(dev, useraddr); | |
1882 | break; | |
1883 | case ETHTOOL_PHYS_ID: | |
1884 | rc = ethtool_phys_id(dev, useraddr); | |
1885 | break; | |
1886 | case ETHTOOL_GSTATS: | |
1887 | rc = ethtool_get_stats(dev, useraddr); | |
1888 | break; | |
a6f9a705 JW |
1889 | case ETHTOOL_GPERMADDR: |
1890 | rc = ethtool_get_perm_addr(dev, useraddr); | |
1891 | break; | |
3ae7c0b2 | 1892 | case ETHTOOL_GFLAGS: |
13c99b24 | 1893 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
bc5787c6 | 1894 | __ethtool_get_flags); |
3ae7c0b2 JG |
1895 | break; |
1896 | case ETHTOOL_SFLAGS: | |
da8ac86c | 1897 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
3ae7c0b2 | 1898 | break; |
339bf024 | 1899 | case ETHTOOL_GPFLAGS: |
13c99b24 JG |
1900 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
1901 | dev->ethtool_ops->get_priv_flags); | |
339bf024 JG |
1902 | break; |
1903 | case ETHTOOL_SPFLAGS: | |
13c99b24 JG |
1904 | rc = ethtool_set_value(dev, useraddr, |
1905 | dev->ethtool_ops->set_priv_flags); | |
339bf024 | 1906 | break; |
0853ad66 | 1907 | case ETHTOOL_GRXFH: |
59089d8d SB |
1908 | case ETHTOOL_GRXRINGS: |
1909 | case ETHTOOL_GRXCLSRLCNT: | |
1910 | case ETHTOOL_GRXCLSRULE: | |
1911 | case ETHTOOL_GRXCLSRLALL: | |
bf988435 | 1912 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
0853ad66 SB |
1913 | break; |
1914 | case ETHTOOL_SRXFH: | |
59089d8d SB |
1915 | case ETHTOOL_SRXCLSRLDEL: |
1916 | case ETHTOOL_SRXCLSRLINS: | |
bf988435 | 1917 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
0853ad66 | 1918 | break; |
05c6a8d7 AK |
1919 | case ETHTOOL_FLASHDEV: |
1920 | rc = ethtool_flash_device(dev, useraddr); | |
1921 | break; | |
d73d3a8c BH |
1922 | case ETHTOOL_RESET: |
1923 | rc = ethtool_reset(dev, useraddr); | |
1924 | break; | |
723b2f57 JG |
1925 | case ETHTOOL_GSSET_INFO: |
1926 | rc = ethtool_get_sset_info(dev, useraddr); | |
1927 | break; | |
a5b6ee29 BH |
1928 | case ETHTOOL_GRXFHINDIR: |
1929 | rc = ethtool_get_rxfh_indir(dev, useraddr); | |
1930 | break; | |
1931 | case ETHTOOL_SRXFHINDIR: | |
1932 | rc = ethtool_set_rxfh_indir(dev, useraddr); | |
1933 | break; | |
3de0b592 VD |
1934 | case ETHTOOL_GRSSH: |
1935 | rc = ethtool_get_rxfh(dev, useraddr); | |
1936 | break; | |
1937 | case ETHTOOL_SRSSH: | |
1938 | rc = ethtool_set_rxfh(dev, useraddr); | |
1939 | break; | |
5455c699 MM |
1940 | case ETHTOOL_GFEATURES: |
1941 | rc = ethtool_get_features(dev, useraddr); | |
1942 | break; | |
1943 | case ETHTOOL_SFEATURES: | |
1944 | rc = ethtool_set_features(dev, useraddr); | |
1945 | break; | |
0a417704 | 1946 | case ETHTOOL_GTXCSUM: |
e83d360d | 1947 | case ETHTOOL_GRXCSUM: |
0a417704 MM |
1948 | case ETHTOOL_GSG: |
1949 | case ETHTOOL_GTSO: | |
1950 | case ETHTOOL_GUFO: | |
1951 | case ETHTOOL_GGSO: | |
1952 | case ETHTOOL_GGRO: | |
1953 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); | |
1954 | break; | |
1955 | case ETHTOOL_STXCSUM: | |
e83d360d | 1956 | case ETHTOOL_SRXCSUM: |
0a417704 MM |
1957 | case ETHTOOL_SSG: |
1958 | case ETHTOOL_STSO: | |
1959 | case ETHTOOL_SUFO: | |
1960 | case ETHTOOL_SGSO: | |
1961 | case ETHTOOL_SGRO: | |
1962 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); | |
1963 | break; | |
8b5933c3 | 1964 | case ETHTOOL_GCHANNELS: |
1965 | rc = ethtool_get_channels(dev, useraddr); | |
1966 | break; | |
1967 | case ETHTOOL_SCHANNELS: | |
1968 | rc = ethtool_set_channels(dev, useraddr); | |
1969 | break; | |
29dd54b7 AC |
1970 | case ETHTOOL_SET_DUMP: |
1971 | rc = ethtool_set_dump(dev, useraddr); | |
1972 | break; | |
1973 | case ETHTOOL_GET_DUMP_FLAG: | |
1974 | rc = ethtool_get_dump_flag(dev, useraddr); | |
1975 | break; | |
1976 | case ETHTOOL_GET_DUMP_DATA: | |
1977 | rc = ethtool_get_dump_data(dev, useraddr); | |
1978 | break; | |
c8f3a8c3 RC |
1979 | case ETHTOOL_GET_TS_INFO: |
1980 | rc = ethtool_get_ts_info(dev, useraddr); | |
1981 | break; | |
41c3cb6d SH |
1982 | case ETHTOOL_GMODULEINFO: |
1983 | rc = ethtool_get_module_info(dev, useraddr); | |
1984 | break; | |
1985 | case ETHTOOL_GMODULEEEPROM: | |
1986 | rc = ethtool_get_module_eeprom(dev, useraddr); | |
1987 | break; | |
f0db9b07 GV |
1988 | case ETHTOOL_GTUNABLE: |
1989 | rc = ethtool_get_tunable(dev, useraddr); | |
1990 | break; | |
1991 | case ETHTOOL_STUNABLE: | |
1992 | rc = ethtool_set_tunable(dev, useraddr); | |
1993 | break; | |
1da177e4 | 1994 | default: |
61a44b9c | 1995 | rc = -EOPNOTSUPP; |
1da177e4 | 1996 | } |
4ec93edb | 1997 | |
e71a4783 | 1998 | if (dev->ethtool_ops->complete) |
1da177e4 | 1999 | dev->ethtool_ops->complete(dev); |
d8a33ac4 SH |
2000 | |
2001 | if (old_features != dev->features) | |
2002 | netdev_features_change(dev); | |
2003 | ||
1da177e4 | 2004 | return rc; |
1da177e4 | 2005 | } |