Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Matthew Wilcox | 61a44b9 | 2007-07-31 14:00:02 -0700 | [diff] [blame] | 6 | * the information ethtool needs. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * |
Matthew Wilcox | 61a44b9 | 2007-07-31 14:00:02 -0700 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | */ |
| 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/types.h> |
Randy Dunlap | 4fc268d | 2006-01-11 12:17:47 -0800 | [diff] [blame] | 16 | #include <linux/capability.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <linux/errno.h> |
| 18 | #include <linux/ethtool.h> |
| 19 | #include <linux/netdevice.h> |
Jeff Garzik | d17792e | 2010-03-04 08:21:53 +0000 | [diff] [blame] | 20 | #include <linux/bitops.h> |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 21 | #include <linux/uaccess.h> |
David S. Miller | 73da16c | 2010-09-21 16:12:11 -0700 | [diff] [blame] | 22 | #include <linux/vmalloc.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 23 | #include <linux/slab.h> |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 24 | #include <linux/rtnetlink.h> |
| 25 | #include <linux/sched.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
YOSHIFUJI Hideaki | 4ec93ed | 2007-02-09 23:24:36 +0900 | [diff] [blame] | 27 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | * Some useful ethtool_ops methods that're device independent. |
| 29 | * If we find that all drivers want to do the same thing here, |
| 30 | * we can turn these into dev_() function calls. |
| 31 | */ |
| 32 | |
| 33 | u32 ethtool_op_get_link(struct net_device *dev) |
| 34 | { |
| 35 | return netif_carrier_ok(dev) ? 1 : 0; |
| 36 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 37 | EXPORT_SYMBOL(ethtool_op_get_link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | u32 ethtool_op_get_tx_csum(struct net_device *dev) |
| 40 | { |
Herbert Xu | 8648b30 | 2006-06-17 22:06:05 -0700 | [diff] [blame] | 41 | return (dev->features & NETIF_F_ALL_CSUM) != 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | } |
Eric Dumazet | 8a729fc | 2009-07-26 23:18:11 +0000 | [diff] [blame] | 43 | EXPORT_SYMBOL(ethtool_op_get_tx_csum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | int ethtool_op_set_tx_csum(struct net_device *dev, u32 data) |
| 46 | { |
| 47 | if (data) |
| 48 | dev->features |= NETIF_F_IP_CSUM; |
| 49 | else |
| 50 | dev->features &= ~NETIF_F_IP_CSUM; |
| 51 | |
| 52 | return 0; |
| 53 | } |
Michał Mirosław | 9a279ea | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 54 | EXPORT_SYMBOL(ethtool_op_set_tx_csum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
Jon Mason | 69f6a0f | 2005-05-29 20:27:24 -0700 | [diff] [blame] | 56 | int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data) |
| 57 | { |
| 58 | if (data) |
| 59 | dev->features |= NETIF_F_HW_CSUM; |
| 60 | else |
| 61 | dev->features &= ~NETIF_F_HW_CSUM; |
| 62 | |
| 63 | return 0; |
| 64 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 65 | EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum); |
Michael Chan | 6460d94 | 2007-07-14 19:07:52 -0700 | [diff] [blame] | 66 | |
| 67 | int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data) |
| 68 | { |
| 69 | if (data) |
| 70 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
| 71 | else |
| 72 | dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); |
| 73 | |
| 74 | return 0; |
| 75 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 76 | EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum); |
Michael Chan | 6460d94 | 2007-07-14 19:07:52 -0700 | [diff] [blame] | 77 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | u32 ethtool_op_get_sg(struct net_device *dev) |
| 79 | { |
| 80 | return (dev->features & NETIF_F_SG) != 0; |
| 81 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 82 | EXPORT_SYMBOL(ethtool_op_get_sg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | int ethtool_op_set_sg(struct net_device *dev, u32 data) |
| 85 | { |
| 86 | if (data) |
| 87 | dev->features |= NETIF_F_SG; |
| 88 | else |
| 89 | dev->features &= ~NETIF_F_SG; |
| 90 | |
| 91 | return 0; |
| 92 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 93 | EXPORT_SYMBOL(ethtool_op_set_sg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
| 95 | u32 ethtool_op_get_tso(struct net_device *dev) |
| 96 | { |
| 97 | return (dev->features & NETIF_F_TSO) != 0; |
| 98 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 99 | EXPORT_SYMBOL(ethtool_op_get_tso); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | int ethtool_op_set_tso(struct net_device *dev, u32 data) |
| 102 | { |
| 103 | if (data) |
| 104 | dev->features |= NETIF_F_TSO; |
| 105 | else |
| 106 | dev->features &= ~NETIF_F_TSO; |
| 107 | |
| 108 | return 0; |
| 109 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 110 | EXPORT_SYMBOL(ethtool_op_set_tso); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 112 | u32 ethtool_op_get_ufo(struct net_device *dev) |
| 113 | { |
| 114 | return (dev->features & NETIF_F_UFO) != 0; |
| 115 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 116 | EXPORT_SYMBOL(ethtool_op_get_ufo); |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 117 | |
| 118 | int ethtool_op_set_ufo(struct net_device *dev, u32 data) |
| 119 | { |
| 120 | if (data) |
| 121 | dev->features |= NETIF_F_UFO; |
| 122 | else |
| 123 | dev->features &= ~NETIF_F_UFO; |
| 124 | return 0; |
| 125 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 126 | EXPORT_SYMBOL(ethtool_op_set_ufo); |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 127 | |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 128 | /* the following list of flags are the same as their associated |
| 129 | * NETIF_F_xxx values in include/linux/netdevice.h |
| 130 | */ |
| 131 | static const u32 flags_dup_features = |
Jesse Gross | d5dbda2 | 2010-10-20 13:56:07 +0000 | [diff] [blame] | 132 | (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | ETH_FLAG_NTUPLE | |
| 133 | ETH_FLAG_RXHASH); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 134 | |
| 135 | u32 ethtool_op_get_flags(struct net_device *dev) |
| 136 | { |
| 137 | /* in the future, this function will probably contain additional |
| 138 | * handling for flags which are not so easily handled |
| 139 | * by a simple masking operation |
| 140 | */ |
| 141 | |
| 142 | return dev->features & flags_dup_features; |
| 143 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 144 | EXPORT_SYMBOL(ethtool_op_get_flags); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 145 | |
Stanislaw Gruszka | 673e63c | 2011-03-22 23:54:49 +0000 | [diff] [blame] | 146 | /* Check if device can enable (or disable) particular feature coded in "data" |
| 147 | * argument. Flags "supported" describe features that can be toggled by device. |
| 148 | * If feature can not be toggled, it state (enabled or disabled) must match |
| 149 | * hardcoded device features state, otherwise flags are marked as invalid. |
| 150 | */ |
| 151 | bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported) |
| 152 | { |
| 153 | u32 features = dev->features & flags_dup_features; |
| 154 | /* "data" can contain only flags_dup_features bits, |
| 155 | * see __ethtool_set_flags */ |
| 156 | |
| 157 | return (features & ~supported) != (data & ~supported); |
| 158 | } |
| 159 | EXPORT_SYMBOL(ethtool_invalid_flags); |
| 160 | |
Ben Hutchings | 1437ce3 | 2010-06-30 02:44:32 +0000 | [diff] [blame] | 161 | int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported) |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 162 | { |
Stanislaw Gruszka | 673e63c | 2011-03-22 23:54:49 +0000 | [diff] [blame] | 163 | if (ethtool_invalid_flags(dev, data, supported)) |
Ben Hutchings | 1437ce3 | 2010-06-30 02:44:32 +0000 | [diff] [blame] | 164 | return -EINVAL; |
Peter Waskiewicz | 0d643e1 | 2010-02-12 13:48:25 +0000 | [diff] [blame] | 165 | |
Ben Hutchings | 1437ce3 | 2010-06-30 02:44:32 +0000 | [diff] [blame] | 166 | dev->features = ((dev->features & ~flags_dup_features) | |
| 167 | (data & flags_dup_features)); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 168 | return 0; |
| 169 | } |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 170 | EXPORT_SYMBOL(ethtool_op_set_flags); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | /* Handlers for each ethtool command */ |
| 173 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 174 | #define ETHTOOL_DEV_FEATURE_WORDS 1 |
| 175 | |
Michał Mirosław | 4e4db20 | 2011-02-22 16:52:28 +0000 | [diff] [blame] | 176 | static void ethtool_get_features_compat(struct net_device *dev, |
| 177 | struct ethtool_get_features_block *features) |
| 178 | { |
| 179 | if (!dev->ethtool_ops) |
| 180 | return; |
| 181 | |
| 182 | /* getting RX checksum */ |
| 183 | if (dev->ethtool_ops->get_rx_csum) |
| 184 | if (dev->ethtool_ops->get_rx_csum(dev)) |
| 185 | features[0].active |= NETIF_F_RXCSUM; |
Michał Mirosław | 39fc0ce | 2011-02-22 16:52:29 +0000 | [diff] [blame] | 186 | |
| 187 | /* mark legacy-changeable features */ |
| 188 | if (dev->ethtool_ops->set_sg) |
| 189 | features[0].available |= NETIF_F_SG; |
| 190 | if (dev->ethtool_ops->set_tx_csum) |
| 191 | features[0].available |= NETIF_F_ALL_CSUM; |
| 192 | if (dev->ethtool_ops->set_tso) |
| 193 | features[0].available |= NETIF_F_ALL_TSO; |
| 194 | if (dev->ethtool_ops->set_rx_csum) |
| 195 | features[0].available |= NETIF_F_RXCSUM; |
| 196 | if (dev->ethtool_ops->set_flags) |
| 197 | features[0].available |= flags_dup_features; |
| 198 | } |
| 199 | |
| 200 | static int ethtool_set_feature_compat(struct net_device *dev, |
| 201 | int (*legacy_set)(struct net_device *, u32), |
| 202 | struct ethtool_set_features_block *features, u32 mask) |
| 203 | { |
| 204 | u32 do_set; |
| 205 | |
| 206 | if (!legacy_set) |
| 207 | return 0; |
| 208 | |
| 209 | if (!(features[0].valid & mask)) |
| 210 | return 0; |
| 211 | |
| 212 | features[0].valid &= ~mask; |
| 213 | |
| 214 | do_set = !!(features[0].requested & mask); |
| 215 | |
| 216 | if (legacy_set(dev, do_set) < 0) |
| 217 | netdev_info(dev, |
| 218 | "Legacy feature change (%s) failed for 0x%08x\n", |
| 219 | do_set ? "set" : "clear", mask); |
| 220 | |
| 221 | return 1; |
| 222 | } |
| 223 | |
Michał Mirosław | fd0daf9 | 2011-05-26 00:42:57 +0000 | [diff] [blame] | 224 | static int ethtool_set_flags_compat(struct net_device *dev, |
| 225 | int (*legacy_set)(struct net_device *, u32), |
| 226 | struct ethtool_set_features_block *features, u32 mask) |
| 227 | { |
| 228 | u32 value; |
| 229 | |
| 230 | if (!legacy_set) |
| 231 | return 0; |
| 232 | |
| 233 | if (!(features[0].valid & mask)) |
| 234 | return 0; |
| 235 | |
| 236 | value = dev->features & ~features[0].valid; |
| 237 | value |= features[0].requested; |
| 238 | |
| 239 | features[0].valid &= ~mask; |
| 240 | |
| 241 | if (legacy_set(dev, value & mask) < 0) |
| 242 | netdev_info(dev, "Legacy flags change failed\n"); |
| 243 | |
| 244 | return 1; |
| 245 | } |
| 246 | |
Michał Mirosław | 39fc0ce | 2011-02-22 16:52:29 +0000 | [diff] [blame] | 247 | static int ethtool_set_features_compat(struct net_device *dev, |
| 248 | struct ethtool_set_features_block *features) |
| 249 | { |
| 250 | int compat; |
| 251 | |
| 252 | if (!dev->ethtool_ops) |
| 253 | return 0; |
| 254 | |
| 255 | compat = ethtool_set_feature_compat(dev, dev->ethtool_ops->set_sg, |
| 256 | features, NETIF_F_SG); |
| 257 | compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_tx_csum, |
| 258 | features, NETIF_F_ALL_CSUM); |
| 259 | compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_tso, |
| 260 | features, NETIF_F_ALL_TSO); |
| 261 | compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_rx_csum, |
| 262 | features, NETIF_F_RXCSUM); |
Michał Mirosław | fd0daf9 | 2011-05-26 00:42:57 +0000 | [diff] [blame] | 263 | compat |= ethtool_set_flags_compat(dev, dev->ethtool_ops->set_flags, |
Michał Mirosław | 39fc0ce | 2011-02-22 16:52:29 +0000 | [diff] [blame] | 264 | features, flags_dup_features); |
| 265 | |
| 266 | return compat; |
Michał Mirosław | 4e4db20 | 2011-02-22 16:52:28 +0000 | [diff] [blame] | 267 | } |
| 268 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 269 | static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
| 270 | { |
| 271 | struct ethtool_gfeatures cmd = { |
| 272 | .cmd = ETHTOOL_GFEATURES, |
| 273 | .size = ETHTOOL_DEV_FEATURE_WORDS, |
| 274 | }; |
| 275 | struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS] = { |
| 276 | { |
| 277 | .available = dev->hw_features, |
| 278 | .requested = dev->wanted_features, |
| 279 | .active = dev->features, |
| 280 | .never_changed = NETIF_F_NEVER_CHANGE, |
| 281 | }, |
| 282 | }; |
| 283 | u32 __user *sizeaddr; |
| 284 | u32 copy_size; |
| 285 | |
Michał Mirosław | 4e4db20 | 2011-02-22 16:52:28 +0000 | [diff] [blame] | 286 | ethtool_get_features_compat(dev, features); |
| 287 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 288 | sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); |
| 289 | if (get_user(copy_size, sizeaddr)) |
| 290 | return -EFAULT; |
| 291 | |
| 292 | if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) |
| 293 | copy_size = ETHTOOL_DEV_FEATURE_WORDS; |
| 294 | |
| 295 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) |
| 296 | return -EFAULT; |
| 297 | useraddr += sizeof(cmd); |
| 298 | if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) |
| 299 | return -EFAULT; |
| 300 | |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | static int ethtool_set_features(struct net_device *dev, void __user *useraddr) |
| 305 | { |
| 306 | struct ethtool_sfeatures cmd; |
| 307 | struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
| 308 | int ret = 0; |
| 309 | |
| 310 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| 311 | return -EFAULT; |
| 312 | useraddr += sizeof(cmd); |
| 313 | |
| 314 | if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) |
| 315 | return -EINVAL; |
| 316 | |
| 317 | if (copy_from_user(features, useraddr, sizeof(features))) |
| 318 | return -EFAULT; |
| 319 | |
| 320 | if (features[0].valid & ~NETIF_F_ETHTOOL_BITS) |
| 321 | return -EINVAL; |
| 322 | |
Michał Mirosław | 39fc0ce | 2011-02-22 16:52:29 +0000 | [diff] [blame] | 323 | if (ethtool_set_features_compat(dev, features)) |
| 324 | ret |= ETHTOOL_F_COMPAT; |
| 325 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 326 | if (features[0].valid & ~dev->hw_features) { |
| 327 | features[0].valid &= dev->hw_features; |
| 328 | ret |= ETHTOOL_F_UNSUPPORTED; |
| 329 | } |
| 330 | |
| 331 | dev->wanted_features &= ~features[0].valid; |
| 332 | dev->wanted_features |= features[0].valid & features[0].requested; |
Michał Mirosław | 6cb6a27 | 2011-04-02 22:48:47 -0700 | [diff] [blame] | 333 | __netdev_update_features(dev); |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 334 | |
| 335 | if ((dev->wanted_features ^ dev->features) & features[0].valid) |
| 336 | ret |= ETHTOOL_F_WISH; |
| 337 | |
| 338 | return ret; |
| 339 | } |
| 340 | |
| 341 | static const char netdev_features_strings[ETHTOOL_DEV_FEATURE_WORDS * 32][ETH_GSTRING_LEN] = { |
| 342 | /* NETIF_F_SG */ "tx-scatter-gather", |
| 343 | /* NETIF_F_IP_CSUM */ "tx-checksum-ipv4", |
| 344 | /* NETIF_F_NO_CSUM */ "tx-checksum-unneeded", |
| 345 | /* NETIF_F_HW_CSUM */ "tx-checksum-ip-generic", |
Michał Mirosław | 7cc31a9 | 2011-05-17 16:50:02 -0400 | [diff] [blame] | 346 | /* NETIF_F_IPV6_CSUM */ "tx-checksum-ipv6", |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 347 | /* NETIF_F_HIGHDMA */ "highdma", |
| 348 | /* NETIF_F_FRAGLIST */ "tx-scatter-gather-fraglist", |
| 349 | /* NETIF_F_HW_VLAN_TX */ "tx-vlan-hw-insert", |
| 350 | |
| 351 | /* NETIF_F_HW_VLAN_RX */ "rx-vlan-hw-parse", |
| 352 | /* NETIF_F_HW_VLAN_FILTER */ "rx-vlan-filter", |
| 353 | /* NETIF_F_VLAN_CHALLENGED */ "vlan-challenged", |
| 354 | /* NETIF_F_GSO */ "tx-generic-segmentation", |
| 355 | /* NETIF_F_LLTX */ "tx-lockless", |
| 356 | /* NETIF_F_NETNS_LOCAL */ "netns-local", |
| 357 | /* NETIF_F_GRO */ "rx-gro", |
| 358 | /* NETIF_F_LRO */ "rx-lro", |
| 359 | |
| 360 | /* NETIF_F_TSO */ "tx-tcp-segmentation", |
| 361 | /* NETIF_F_UFO */ "tx-udp-fragmentation", |
| 362 | /* NETIF_F_GSO_ROBUST */ "tx-gso-robust", |
| 363 | /* NETIF_F_TSO_ECN */ "tx-tcp-ecn-segmentation", |
| 364 | /* NETIF_F_TSO6 */ "tx-tcp6-segmentation", |
| 365 | /* NETIF_F_FSO */ "tx-fcoe-segmentation", |
| 366 | "", |
| 367 | "", |
| 368 | |
| 369 | /* NETIF_F_FCOE_CRC */ "tx-checksum-fcoe-crc", |
| 370 | /* NETIF_F_SCTP_CSUM */ "tx-checksum-sctp", |
| 371 | /* NETIF_F_FCOE_MTU */ "fcoe-mtu", |
| 372 | /* NETIF_F_NTUPLE */ "rx-ntuple-filter", |
| 373 | /* NETIF_F_RXHASH */ "rx-hashing", |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 374 | /* NETIF_F_RXCSUM */ "rx-checksum", |
Franco Fichtner | 864b5418 | 2011-05-12 06:42:04 +0000 | [diff] [blame] | 375 | /* NETIF_F_NOCACHE_COPY */ "tx-nocache-copy", |
Mahesh Bandewar | eed2a12 | 2011-05-04 15:30:11 +0000 | [diff] [blame] | 376 | /* NETIF_F_LOOPBACK */ "loopback", |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 377 | }; |
| 378 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 379 | static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
| 380 | { |
| 381 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 382 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 383 | if (sset == ETH_SS_FEATURES) |
| 384 | return ARRAY_SIZE(netdev_features_strings); |
| 385 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 386 | if (ops && ops->get_sset_count && ops->get_strings) |
| 387 | return ops->get_sset_count(dev, sset); |
| 388 | else |
| 389 | return -EOPNOTSUPP; |
| 390 | } |
| 391 | |
| 392 | static void __ethtool_get_strings(struct net_device *dev, |
| 393 | u32 stringset, u8 *data) |
| 394 | { |
| 395 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 396 | |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 397 | if (stringset == ETH_SS_FEATURES) |
| 398 | memcpy(data, netdev_features_strings, |
| 399 | sizeof(netdev_features_strings)); |
| 400 | else |
| 401 | /* ops->get_strings is valid because checked earlier */ |
| 402 | ops->get_strings(dev, stringset, data); |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 403 | } |
| 404 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 405 | static u32 ethtool_get_feature_mask(u32 eth_cmd) |
| 406 | { |
| 407 | /* feature masks of legacy discrete ethtool ops */ |
| 408 | |
| 409 | switch (eth_cmd) { |
| 410 | case ETHTOOL_GTXCSUM: |
| 411 | case ETHTOOL_STXCSUM: |
| 412 | return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 413 | case ETHTOOL_GRXCSUM: |
| 414 | case ETHTOOL_SRXCSUM: |
| 415 | return NETIF_F_RXCSUM; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 416 | case ETHTOOL_GSG: |
| 417 | case ETHTOOL_SSG: |
| 418 | return NETIF_F_SG; |
| 419 | case ETHTOOL_GTSO: |
| 420 | case ETHTOOL_STSO: |
| 421 | return NETIF_F_ALL_TSO; |
| 422 | case ETHTOOL_GUFO: |
| 423 | case ETHTOOL_SUFO: |
| 424 | return NETIF_F_UFO; |
| 425 | case ETHTOOL_GGSO: |
| 426 | case ETHTOOL_SGSO: |
| 427 | return NETIF_F_GSO; |
| 428 | case ETHTOOL_GGRO: |
| 429 | case ETHTOOL_SGRO: |
| 430 | return NETIF_F_GRO; |
| 431 | default: |
| 432 | BUG(); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | static void *__ethtool_get_one_feature_actor(struct net_device *dev, u32 ethcmd) |
| 437 | { |
| 438 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 439 | |
| 440 | if (!ops) |
| 441 | return NULL; |
| 442 | |
| 443 | switch (ethcmd) { |
| 444 | case ETHTOOL_GTXCSUM: |
| 445 | return ops->get_tx_csum; |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 446 | case ETHTOOL_GRXCSUM: |
| 447 | return ops->get_rx_csum; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 448 | case ETHTOOL_SSG: |
| 449 | return ops->get_sg; |
| 450 | case ETHTOOL_STSO: |
| 451 | return ops->get_tso; |
| 452 | case ETHTOOL_SUFO: |
| 453 | return ops->get_ufo; |
| 454 | default: |
| 455 | return NULL; |
| 456 | } |
| 457 | } |
| 458 | |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 459 | static u32 __ethtool_get_rx_csum_oldbug(struct net_device *dev) |
| 460 | { |
| 461 | return !!(dev->features & NETIF_F_ALL_CSUM); |
| 462 | } |
| 463 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 464 | static int ethtool_get_one_feature(struct net_device *dev, |
| 465 | char __user *useraddr, u32 ethcmd) |
| 466 | { |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 467 | u32 mask = ethtool_get_feature_mask(ethcmd); |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 468 | struct ethtool_value edata = { |
| 469 | .cmd = ethcmd, |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 470 | .data = !!(dev->features & mask), |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 471 | }; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 472 | |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 473 | /* compatibility with discrete get_ ops */ |
| 474 | if (!(dev->hw_features & mask)) { |
| 475 | u32 (*actor)(struct net_device *); |
| 476 | |
| 477 | actor = __ethtool_get_one_feature_actor(dev, ethcmd); |
| 478 | |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 479 | /* bug compatibility with old get_rx_csum */ |
| 480 | if (ethcmd == ETHTOOL_GRXCSUM && !actor) |
| 481 | actor = __ethtool_get_rx_csum_oldbug; |
| 482 | |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 483 | if (actor) |
| 484 | edata.data = actor(dev); |
| 485 | } |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 486 | |
| 487 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| 488 | return -EFAULT; |
| 489 | return 0; |
| 490 | } |
| 491 | |
| 492 | static int __ethtool_set_tx_csum(struct net_device *dev, u32 data); |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 493 | static int __ethtool_set_rx_csum(struct net_device *dev, u32 data); |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 494 | static int __ethtool_set_sg(struct net_device *dev, u32 data); |
| 495 | static int __ethtool_set_tso(struct net_device *dev, u32 data); |
| 496 | static int __ethtool_set_ufo(struct net_device *dev, u32 data); |
| 497 | |
| 498 | static int ethtool_set_one_feature(struct net_device *dev, |
| 499 | void __user *useraddr, u32 ethcmd) |
| 500 | { |
| 501 | struct ethtool_value edata; |
| 502 | u32 mask; |
| 503 | |
| 504 | if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| 505 | return -EFAULT; |
| 506 | |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 507 | mask = ethtool_get_feature_mask(ethcmd); |
| 508 | mask &= dev->hw_features; |
| 509 | if (mask) { |
| 510 | if (edata.data) |
| 511 | dev->wanted_features |= mask; |
| 512 | else |
| 513 | dev->wanted_features &= ~mask; |
| 514 | |
Michał Mirosław | 6cb6a27 | 2011-04-02 22:48:47 -0700 | [diff] [blame] | 515 | __netdev_update_features(dev); |
Michał Mirosław | 8679488 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 516 | return 0; |
| 517 | } |
| 518 | |
| 519 | /* Driver is not converted to ndo_fix_features or does not |
| 520 | * support changing this offload. In the latter case it won't |
| 521 | * have corresponding ethtool_ops field set. |
| 522 | * |
| 523 | * Following part is to be removed after all drivers advertise |
| 524 | * their changeable features in netdev->hw_features and stop |
| 525 | * using discrete offload setting ops. |
| 526 | */ |
| 527 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 528 | switch (ethcmd) { |
| 529 | case ETHTOOL_STXCSUM: |
| 530 | return __ethtool_set_tx_csum(dev, edata.data); |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 531 | case ETHTOOL_SRXCSUM: |
| 532 | return __ethtool_set_rx_csum(dev, edata.data); |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 533 | case ETHTOOL_SSG: |
| 534 | return __ethtool_set_sg(dev, edata.data); |
| 535 | case ETHTOOL_STSO: |
| 536 | return __ethtool_set_tso(dev, edata.data); |
| 537 | case ETHTOOL_SUFO: |
| 538 | return __ethtool_set_ufo(dev, edata.data); |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 539 | default: |
| 540 | return -EOPNOTSUPP; |
| 541 | } |
| 542 | } |
| 543 | |
Michał Mirosław | 2766051 | 2011-03-18 16:56:34 +0000 | [diff] [blame] | 544 | int __ethtool_set_flags(struct net_device *dev, u32 data) |
Michał Mirosław | da8ac86c | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 545 | { |
| 546 | u32 changed; |
| 547 | |
| 548 | if (data & ~flags_dup_features) |
| 549 | return -EINVAL; |
| 550 | |
| 551 | /* legacy set_flags() op */ |
| 552 | if (dev->ethtool_ops->set_flags) { |
| 553 | if (unlikely(dev->hw_features & flags_dup_features)) |
| 554 | netdev_warn(dev, |
| 555 | "driver BUG: mixed hw_features and set_flags()\n"); |
| 556 | return dev->ethtool_ops->set_flags(dev, data); |
| 557 | } |
| 558 | |
| 559 | /* allow changing only bits set in hw_features */ |
Michał Mirosław | 5f8629c | 2011-04-21 13:59:21 +0000 | [diff] [blame] | 560 | changed = (data ^ dev->features) & flags_dup_features; |
Michał Mirosław | da8ac86c | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 561 | if (changed & ~dev->hw_features) |
| 562 | return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; |
| 563 | |
| 564 | dev->wanted_features = |
Michał Mirosław | 5f8629c | 2011-04-21 13:59:21 +0000 | [diff] [blame] | 565 | (dev->wanted_features & ~changed) | (data & dev->hw_features); |
Michał Mirosław | da8ac86c | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 566 | |
Michał Mirosław | 6cb6a27 | 2011-04-02 22:48:47 -0700 | [diff] [blame] | 567 | __netdev_update_features(dev); |
Michał Mirosław | da8ac86c | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 568 | |
| 569 | return 0; |
| 570 | } |
| 571 | |
Jiri Pirko | 4bc71cb | 2011-09-03 03:34:30 +0000 | [diff] [blame] | 572 | int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | { |
Jiri Pirko | 4bc71cb | 2011-09-03 03:34:30 +0000 | [diff] [blame] | 574 | ASSERT_RTNL(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | |
Jiri Pirko | 4bc71cb | 2011-09-03 03:34:30 +0000 | [diff] [blame] | 576 | if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | return -EOPNOTSUPP; |
| 578 | |
Jiri Pirko | 4bc71cb | 2011-09-03 03:34:30 +0000 | [diff] [blame] | 579 | memset(cmd, 0, sizeof(struct ethtool_cmd)); |
| 580 | cmd->cmd = ETHTOOL_GSET; |
| 581 | return dev->ethtool_ops->get_settings(dev, cmd); |
| 582 | } |
| 583 | EXPORT_SYMBOL(__ethtool_get_settings); |
| 584 | |
| 585 | static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) |
| 586 | { |
| 587 | int err; |
| 588 | struct ethtool_cmd cmd; |
| 589 | |
| 590 | err = __ethtool_get_settings(dev, &cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | if (err < 0) |
| 592 | return err; |
| 593 | |
| 594 | if (copy_to_user(useraddr, &cmd, sizeof(cmd))) |
| 595 | return -EFAULT; |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) |
| 600 | { |
| 601 | struct ethtool_cmd cmd; |
| 602 | |
| 603 | if (!dev->ethtool_ops->set_settings) |
| 604 | return -EOPNOTSUPP; |
| 605 | |
| 606 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| 607 | return -EFAULT; |
| 608 | |
| 609 | return dev->ethtool_ops->set_settings(dev, &cmd); |
| 610 | } |
| 611 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 612 | static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
| 613 | void __user *useraddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | { |
| 615 | struct ethtool_drvinfo info; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 616 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | memset(&info, 0, sizeof(info)); |
| 619 | info.cmd = ETHTOOL_GDRVINFO; |
Ben Hutchings | 0141480 | 2010-08-17 02:31:15 -0700 | [diff] [blame] | 620 | if (ops && ops->get_drvinfo) { |
| 621 | ops->get_drvinfo(dev, &info); |
| 622 | } else if (dev->dev.parent && dev->dev.parent->driver) { |
| 623 | strlcpy(info.bus_info, dev_name(dev->dev.parent), |
| 624 | sizeof(info.bus_info)); |
| 625 | strlcpy(info.driver, dev->dev.parent->driver->name, |
| 626 | sizeof(info.driver)); |
| 627 | } else { |
| 628 | return -EOPNOTSUPP; |
| 629 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 631 | /* |
| 632 | * this method of obtaining string set info is deprecated; |
Jeff Garzik | d17792e | 2010-03-04 08:21:53 +0000 | [diff] [blame] | 633 | * Use ETHTOOL_GSSET_INFO instead. |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 634 | */ |
Ben Hutchings | 0141480 | 2010-08-17 02:31:15 -0700 | [diff] [blame] | 635 | if (ops && ops->get_sset_count) { |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 636 | int rc; |
| 637 | |
| 638 | rc = ops->get_sset_count(dev, ETH_SS_TEST); |
| 639 | if (rc >= 0) |
| 640 | info.testinfo_len = rc; |
| 641 | rc = ops->get_sset_count(dev, ETH_SS_STATS); |
| 642 | if (rc >= 0) |
| 643 | info.n_stats = rc; |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 644 | rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
| 645 | if (rc >= 0) |
| 646 | info.n_priv_flags = rc; |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 647 | } |
Ben Hutchings | 0141480 | 2010-08-17 02:31:15 -0700 | [diff] [blame] | 648 | if (ops && ops->get_regs_len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | info.regdump_len = ops->get_regs_len(dev); |
Ben Hutchings | 0141480 | 2010-08-17 02:31:15 -0700 | [diff] [blame] | 650 | if (ops && ops->get_eeprom_len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | info.eedump_len = ops->get_eeprom_len(dev); |
| 652 | |
| 653 | if (copy_to_user(useraddr, &info, sizeof(info))) |
| 654 | return -EFAULT; |
| 655 | return 0; |
| 656 | } |
| 657 | |
Eric Dumazet | f5c445e | 2010-03-08 12:17:04 -0800 | [diff] [blame] | 658 | static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 659 | void __user *useraddr) |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 660 | { |
| 661 | struct ethtool_sset_info info; |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 662 | u64 sset_mask; |
| 663 | int i, idx = 0, n_bits = 0, ret, rc; |
| 664 | u32 *info_buf = NULL; |
| 665 | |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 666 | if (copy_from_user(&info, useraddr, sizeof(info))) |
| 667 | return -EFAULT; |
| 668 | |
| 669 | /* store copy of mask, because we zero struct later on */ |
| 670 | sset_mask = info.sset_mask; |
| 671 | if (!sset_mask) |
| 672 | return 0; |
| 673 | |
| 674 | /* calculate size of return buffer */ |
Jeff Garzik | d17792e | 2010-03-04 08:21:53 +0000 | [diff] [blame] | 675 | n_bits = hweight64(sset_mask); |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 676 | |
| 677 | memset(&info, 0, sizeof(info)); |
| 678 | info.cmd = ETHTOOL_GSSET_INFO; |
| 679 | |
| 680 | info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); |
| 681 | if (!info_buf) |
| 682 | return -ENOMEM; |
| 683 | |
| 684 | /* |
| 685 | * fill return buffer based on input bitmask and successful |
| 686 | * get_sset_count return |
| 687 | */ |
| 688 | for (i = 0; i < 64; i++) { |
| 689 | if (!(sset_mask & (1ULL << i))) |
| 690 | continue; |
| 691 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 692 | rc = __ethtool_get_sset_count(dev, i); |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 693 | if (rc >= 0) { |
| 694 | info.sset_mask |= (1ULL << i); |
| 695 | info_buf[idx++] = rc; |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | ret = -EFAULT; |
| 700 | if (copy_to_user(useraddr, &info, sizeof(info))) |
| 701 | goto out; |
| 702 | |
| 703 | useraddr += offsetof(struct ethtool_sset_info, data); |
| 704 | if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) |
| 705 | goto out; |
| 706 | |
| 707 | ret = 0; |
| 708 | |
| 709 | out: |
| 710 | kfree(info_buf); |
| 711 | return ret; |
| 712 | } |
| 713 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 714 | static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 715 | u32 cmd, void __user *useraddr) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 716 | { |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 717 | struct ethtool_rxnfc info; |
| 718 | size_t info_size = sizeof(info); |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 719 | |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 720 | if (!dev->ethtool_ops->set_rxnfc) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 721 | return -EOPNOTSUPP; |
| 722 | |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 723 | /* struct ethtool_rxnfc was originally defined for |
| 724 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data |
| 725 | * members. User-space might still be using that |
| 726 | * definition. */ |
| 727 | if (cmd == ETHTOOL_SRXFH) |
| 728 | info_size = (offsetof(struct ethtool_rxnfc, data) + |
| 729 | sizeof(info.data)); |
| 730 | |
| 731 | if (copy_from_user(&info, useraddr, info_size)) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 732 | return -EFAULT; |
| 733 | |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 734 | return dev->ethtool_ops->set_rxnfc(dev, &info); |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 735 | } |
| 736 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 737 | static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 738 | u32 cmd, void __user *useraddr) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 739 | { |
| 740 | struct ethtool_rxnfc info; |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 741 | size_t info_size = sizeof(info); |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 742 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 743 | int ret; |
| 744 | void *rule_buf = NULL; |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 745 | |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 746 | if (!ops->get_rxnfc) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 747 | return -EOPNOTSUPP; |
| 748 | |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 749 | /* struct ethtool_rxnfc was originally defined for |
| 750 | * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data |
| 751 | * members. User-space might still be using that |
| 752 | * definition. */ |
| 753 | if (cmd == ETHTOOL_GRXFH) |
| 754 | info_size = (offsetof(struct ethtool_rxnfc, data) + |
| 755 | sizeof(info.data)); |
| 756 | |
| 757 | if (copy_from_user(&info, useraddr, info_size)) |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 758 | return -EFAULT; |
| 759 | |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 760 | if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
| 761 | if (info.rule_cnt > 0) { |
Ben Hutchings | db048b6 | 2010-06-28 08:44:07 +0000 | [diff] [blame] | 762 | if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
Kees Cook | ae6df5f | 2010-10-07 10:03:48 +0000 | [diff] [blame] | 763 | rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
Ben Hutchings | db048b6 | 2010-06-28 08:44:07 +0000 | [diff] [blame] | 764 | GFP_USER); |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 765 | if (!rule_buf) |
| 766 | return -ENOMEM; |
| 767 | } |
| 768 | } |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 769 | |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 770 | ret = ops->get_rxnfc(dev, &info, rule_buf); |
| 771 | if (ret < 0) |
| 772 | goto err_out; |
| 773 | |
| 774 | ret = -EFAULT; |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 775 | if (copy_to_user(useraddr, &info, info_size)) |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 776 | goto err_out; |
| 777 | |
| 778 | if (rule_buf) { |
| 779 | useraddr += offsetof(struct ethtool_rxnfc, rule_locs); |
| 780 | if (copy_to_user(useraddr, rule_buf, |
| 781 | info.rule_cnt * sizeof(u32))) |
| 782 | goto err_out; |
| 783 | } |
| 784 | ret = 0; |
| 785 | |
| 786 | err_out: |
Wei Yongjun | c9cacec | 2009-03-31 15:06:26 -0700 | [diff] [blame] | 787 | kfree(rule_buf); |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 788 | |
| 789 | return ret; |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 790 | } |
| 791 | |
Ben Hutchings | a5b6ee2 | 2010-06-30 05:05:23 +0000 | [diff] [blame] | 792 | static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
| 793 | void __user *useraddr) |
| 794 | { |
| 795 | struct ethtool_rxfh_indir *indir; |
| 796 | u32 table_size; |
| 797 | size_t full_size; |
| 798 | int ret; |
| 799 | |
| 800 | if (!dev->ethtool_ops->get_rxfh_indir) |
| 801 | return -EOPNOTSUPP; |
| 802 | |
| 803 | if (copy_from_user(&table_size, |
| 804 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
| 805 | sizeof(table_size))) |
| 806 | return -EFAULT; |
| 807 | |
| 808 | if (table_size > |
| 809 | (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) |
| 810 | return -ENOMEM; |
| 811 | full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; |
Kees Cook | b00916b | 2010-10-11 12:23:25 -0700 | [diff] [blame] | 812 | indir = kzalloc(full_size, GFP_USER); |
Ben Hutchings | a5b6ee2 | 2010-06-30 05:05:23 +0000 | [diff] [blame] | 813 | if (!indir) |
| 814 | return -ENOMEM; |
| 815 | |
| 816 | indir->cmd = ETHTOOL_GRXFHINDIR; |
| 817 | indir->size = table_size; |
| 818 | ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); |
| 819 | if (ret) |
| 820 | goto out; |
| 821 | |
| 822 | if (copy_to_user(useraddr, indir, full_size)) |
| 823 | ret = -EFAULT; |
| 824 | |
| 825 | out: |
| 826 | kfree(indir); |
| 827 | return ret; |
| 828 | } |
| 829 | |
| 830 | static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, |
| 831 | void __user *useraddr) |
| 832 | { |
| 833 | struct ethtool_rxfh_indir *indir; |
| 834 | u32 table_size; |
| 835 | size_t full_size; |
| 836 | int ret; |
| 837 | |
| 838 | if (!dev->ethtool_ops->set_rxfh_indir) |
| 839 | return -EOPNOTSUPP; |
| 840 | |
| 841 | if (copy_from_user(&table_size, |
| 842 | useraddr + offsetof(struct ethtool_rxfh_indir, size), |
| 843 | sizeof(table_size))) |
| 844 | return -EFAULT; |
| 845 | |
| 846 | if (table_size > |
| 847 | (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) |
| 848 | return -ENOMEM; |
| 849 | full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; |
| 850 | indir = kmalloc(full_size, GFP_USER); |
| 851 | if (!indir) |
| 852 | return -ENOMEM; |
| 853 | |
| 854 | if (copy_from_user(indir, useraddr, full_size)) { |
| 855 | ret = -EFAULT; |
| 856 | goto out; |
| 857 | } |
| 858 | |
| 859 | ret = dev->ethtool_ops->set_rxfh_indir(dev, indir); |
| 860 | |
| 861 | out: |
| 862 | kfree(indir); |
| 863 | return ret; |
| 864 | } |
| 865 | |
Ben Hutchings | be2902d | 2010-09-16 11:28:07 +0000 | [diff] [blame] | 866 | /* |
| 867 | * ethtool does not (or did not) set masks for flow parameters that are |
| 868 | * not specified, so if both value and mask are 0 then this must be |
| 869 | * treated as equivalent to a mask with all bits set. Implement that |
| 870 | * here rather than in drivers. |
| 871 | */ |
| 872 | static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs) |
| 873 | { |
| 874 | struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec; |
| 875 | struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec; |
| 876 | |
| 877 | if (fs->flow_type != TCP_V4_FLOW && |
| 878 | fs->flow_type != UDP_V4_FLOW && |
| 879 | fs->flow_type != SCTP_V4_FLOW) |
| 880 | return; |
| 881 | |
| 882 | if (!(entry->ip4src | mask->ip4src)) |
| 883 | mask->ip4src = htonl(0xffffffff); |
| 884 | if (!(entry->ip4dst | mask->ip4dst)) |
| 885 | mask->ip4dst = htonl(0xffffffff); |
| 886 | if (!(entry->psrc | mask->psrc)) |
| 887 | mask->psrc = htons(0xffff); |
| 888 | if (!(entry->pdst | mask->pdst)) |
| 889 | mask->pdst = htons(0xffff); |
| 890 | if (!(entry->tos | mask->tos)) |
| 891 | mask->tos = 0xff; |
| 892 | if (!(fs->vlan_tag | fs->vlan_tag_mask)) |
| 893 | fs->vlan_tag_mask = 0xffff; |
| 894 | if (!(fs->data | fs->data_mask)) |
| 895 | fs->data_mask = 0xffffffffffffffffULL; |
| 896 | } |
| 897 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 898 | static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, |
| 899 | void __user *useraddr) |
Peter P Waskiewicz Jr | 15682bc | 2010-02-10 20:03:05 -0800 | [diff] [blame] | 900 | { |
| 901 | struct ethtool_rx_ntuple cmd; |
| 902 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Peter P Waskiewicz Jr | 15682bc | 2010-02-10 20:03:05 -0800 | [diff] [blame] | 903 | |
Alexander Duyck | 5d9f11c | 2011-04-08 12:07:22 +0000 | [diff] [blame] | 904 | if (!ops->set_rx_ntuple) |
| 905 | return -EOPNOTSUPP; |
| 906 | |
Peter P Waskiewicz Jr | 15682bc | 2010-02-10 20:03:05 -0800 | [diff] [blame] | 907 | if (!(dev->features & NETIF_F_NTUPLE)) |
| 908 | return -EINVAL; |
| 909 | |
| 910 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| 911 | return -EFAULT; |
| 912 | |
Ben Hutchings | be2902d | 2010-09-16 11:28:07 +0000 | [diff] [blame] | 913 | rx_ntuple_fix_masks(&cmd.fs); |
| 914 | |
Alexander Duyck | bff5527 | 2011-06-08 12:35:08 +0000 | [diff] [blame] | 915 | return ops->set_rx_ntuple(dev, &cmd); |
Peter P Waskiewicz Jr | 15682bc | 2010-02-10 20:03:05 -0800 | [diff] [blame] | 916 | } |
| 917 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) |
| 919 | { |
| 920 | struct ethtool_regs regs; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 921 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | void *regbuf; |
| 923 | int reglen, ret; |
| 924 | |
| 925 | if (!ops->get_regs || !ops->get_regs_len) |
| 926 | return -EOPNOTSUPP; |
| 927 | |
| 928 | if (copy_from_user(®s, useraddr, sizeof(regs))) |
| 929 | return -EFAULT; |
| 930 | |
| 931 | reglen = ops->get_regs_len(dev); |
| 932 | if (regs.len > reglen) |
| 933 | regs.len = reglen; |
| 934 | |
Eugene Teo | b7c7d01 | 2011-01-24 21:05:17 -0800 | [diff] [blame] | 935 | regbuf = vzalloc(reglen); |
Ben Hutchings | 67ae7cf | 2011-07-21 15:25:30 -0700 | [diff] [blame] | 936 | if (reglen && !regbuf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | return -ENOMEM; |
| 938 | |
| 939 | ops->get_regs(dev, ®s, regbuf); |
| 940 | |
| 941 | ret = -EFAULT; |
| 942 | if (copy_to_user(useraddr, ®s, sizeof(regs))) |
| 943 | goto out; |
| 944 | useraddr += offsetof(struct ethtool_regs, data); |
Ben Hutchings | 67ae7cf | 2011-07-21 15:25:30 -0700 | [diff] [blame] | 945 | if (regbuf && copy_to_user(useraddr, regbuf, regs.len)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | goto out; |
| 947 | ret = 0; |
| 948 | |
| 949 | out: |
Ben Hutchings | a77f5db | 2010-09-20 08:42:17 +0000 | [diff] [blame] | 950 | vfree(regbuf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | return ret; |
| 952 | } |
| 953 | |
Ben Hutchings | d73d3a8 | 2009-10-05 10:59:58 +0000 | [diff] [blame] | 954 | static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
| 955 | { |
| 956 | struct ethtool_value reset; |
| 957 | int ret; |
| 958 | |
| 959 | if (!dev->ethtool_ops->reset) |
| 960 | return -EOPNOTSUPP; |
| 961 | |
| 962 | if (copy_from_user(&reset, useraddr, sizeof(reset))) |
| 963 | return -EFAULT; |
| 964 | |
| 965 | ret = dev->ethtool_ops->reset(dev, &reset.data); |
| 966 | if (ret) |
| 967 | return ret; |
| 968 | |
| 969 | if (copy_to_user(useraddr, &reset, sizeof(reset))) |
| 970 | return -EFAULT; |
| 971 | return 0; |
| 972 | } |
| 973 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
| 975 | { |
Roland Dreier | 8e55742 | 2010-02-11 12:14:23 -0800 | [diff] [blame] | 976 | struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | |
| 978 | if (!dev->ethtool_ops->get_wol) |
| 979 | return -EOPNOTSUPP; |
| 980 | |
| 981 | dev->ethtool_ops->get_wol(dev, &wol); |
| 982 | |
| 983 | if (copy_to_user(useraddr, &wol, sizeof(wol))) |
| 984 | return -EFAULT; |
| 985 | return 0; |
| 986 | } |
| 987 | |
| 988 | static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) |
| 989 | { |
| 990 | struct ethtool_wolinfo wol; |
| 991 | |
| 992 | if (!dev->ethtool_ops->set_wol) |
| 993 | return -EOPNOTSUPP; |
| 994 | |
| 995 | if (copy_from_user(&wol, useraddr, sizeof(wol))) |
| 996 | return -EFAULT; |
| 997 | |
| 998 | return dev->ethtool_ops->set_wol(dev, &wol); |
| 999 | } |
| 1000 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | static int ethtool_nway_reset(struct net_device *dev) |
| 1002 | { |
| 1003 | if (!dev->ethtool_ops->nway_reset) |
| 1004 | return -EOPNOTSUPP; |
| 1005 | |
| 1006 | return dev->ethtool_ops->nway_reset(dev); |
| 1007 | } |
| 1008 | |
Ben Hutchings | e596e6e | 2010-12-09 12:08:35 +0000 | [diff] [blame] | 1009 | static int ethtool_get_link(struct net_device *dev, char __user *useraddr) |
| 1010 | { |
| 1011 | struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; |
| 1012 | |
| 1013 | if (!dev->ethtool_ops->get_link) |
| 1014 | return -EOPNOTSUPP; |
| 1015 | |
| 1016 | edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); |
| 1017 | |
| 1018 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| 1019 | return -EFAULT; |
| 1020 | return 0; |
| 1021 | } |
| 1022 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1023 | static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) |
| 1024 | { |
| 1025 | struct ethtool_eeprom eeprom; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 1026 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1027 | void __user *userbuf = useraddr + sizeof(eeprom); |
| 1028 | u32 bytes_remaining; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | u8 *data; |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1030 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | |
| 1032 | if (!ops->get_eeprom || !ops->get_eeprom_len) |
| 1033 | return -EOPNOTSUPP; |
| 1034 | |
| 1035 | if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) |
| 1036 | return -EFAULT; |
| 1037 | |
| 1038 | /* Check for wrap and zero */ |
| 1039 | if (eeprom.offset + eeprom.len <= eeprom.offset) |
| 1040 | return -EINVAL; |
| 1041 | |
| 1042 | /* Check for exceeding total eeprom len */ |
| 1043 | if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) |
| 1044 | return -EINVAL; |
| 1045 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1046 | data = kmalloc(PAGE_SIZE, GFP_USER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | if (!data) |
| 1048 | return -ENOMEM; |
| 1049 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1050 | bytes_remaining = eeprom.len; |
| 1051 | while (bytes_remaining > 0) { |
| 1052 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1054 | ret = ops->get_eeprom(dev, &eeprom, data); |
| 1055 | if (ret) |
| 1056 | break; |
| 1057 | if (copy_to_user(userbuf, data, eeprom.len)) { |
| 1058 | ret = -EFAULT; |
| 1059 | break; |
| 1060 | } |
| 1061 | userbuf += eeprom.len; |
| 1062 | eeprom.offset += eeprom.len; |
| 1063 | bytes_remaining -= eeprom.len; |
| 1064 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | |
Mandeep Singh Baines | c5835df | 2008-04-24 20:55:56 -0700 | [diff] [blame] | 1066 | eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
| 1067 | eeprom.offset -= eeprom.len; |
| 1068 | if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) |
| 1069 | ret = -EFAULT; |
| 1070 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | kfree(data); |
| 1072 | return ret; |
| 1073 | } |
| 1074 | |
| 1075 | static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) |
| 1076 | { |
| 1077 | struct ethtool_eeprom eeprom; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 1078 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1079 | void __user *userbuf = useraddr + sizeof(eeprom); |
| 1080 | u32 bytes_remaining; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | u8 *data; |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1082 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | |
| 1084 | if (!ops->set_eeprom || !ops->get_eeprom_len) |
| 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 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1098 | data = kmalloc(PAGE_SIZE, GFP_USER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1099 | if (!data) |
| 1100 | return -ENOMEM; |
| 1101 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 1102 | bytes_remaining = eeprom.len; |
| 1103 | while (bytes_remaining > 0) { |
| 1104 | eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | |
Mandeep Singh Baines | b131dd5d | 2008-04-15 19:24:17 -0700 | [diff] [blame] | 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 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1118 | kfree(data); |
| 1119 | return ret; |
| 1120 | } |
| 1121 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1122 | static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
| 1123 | void __user *useraddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | { |
Roland Dreier | 8e55742 | 2010-02-11 12:14:23 -0800 | [diff] [blame] | 1125 | struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1137 | static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, |
| 1138 | void __user *useraddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | { |
| 1140 | struct ethtool_coalesce coalesce; |
| 1141 | |
David S. Miller | fa04ae5 | 2005-06-06 15:07:19 -0700 | [diff] [blame] | 1142 | if (!dev->ethtool_ops->set_coalesce) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | { |
Roland Dreier | 8e55742 | 2010-02-11 12:14:23 -0800 | [diff] [blame] | 1153 | struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
amit salecha | 8b5933c | 2011-04-07 01:58:42 +0000 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Jeff Garzik | e1b90c4 | 2006-07-17 12:54:40 -0400 | [diff] [blame] | 1225 | if (!dev->ethtool_ops->set_pauseparam) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | static int __ethtool_set_sg(struct net_device *dev, u32 data) |
| 1235 | { |
| 1236 | int err; |
| 1237 | |
Roger Luethi | 5e5069b | 2011-03-17 06:37:21 +0000 | [diff] [blame] | 1238 | if (!dev->ethtool_ops->set_sg) |
| 1239 | return -EOPNOTSUPP; |
| 1240 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1241 | if (data && !(dev->features & NETIF_F_ALL_CSUM)) |
| 1242 | return -EINVAL; |
| 1243 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | if (!data && dev->ethtool_ops->set_tso) { |
| 1245 | err = dev->ethtool_ops->set_tso(dev, 0); |
| 1246 | if (err) |
| 1247 | return err; |
| 1248 | } |
| 1249 | |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 1250 | if (!data && dev->ethtool_ops->set_ufo) { |
| 1251 | err = dev->ethtool_ops->set_ufo(dev, 0); |
| 1252 | if (err) |
| 1253 | return err; |
| 1254 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1255 | return dev->ethtool_ops->set_sg(dev, data); |
| 1256 | } |
| 1257 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1258 | static int __ethtool_set_tx_csum(struct net_device *dev, u32 data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1259 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1260 | int err; |
| 1261 | |
| 1262 | if (!dev->ethtool_ops->set_tx_csum) |
| 1263 | return -EOPNOTSUPP; |
| 1264 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1265 | if (!data && dev->ethtool_ops->set_sg) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1266 | err = __ethtool_set_sg(dev, 0); |
| 1267 | if (err) |
| 1268 | return err; |
| 1269 | } |
| 1270 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1271 | return dev->ethtool_ops->set_tx_csum(dev, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1272 | } |
| 1273 | |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1274 | static int __ethtool_set_rx_csum(struct net_device *dev, u32 data) |
Herbert Xu | b240a0e | 2008-12-15 23:44:31 -0800 | [diff] [blame] | 1275 | { |
Herbert Xu | b240a0e | 2008-12-15 23:44:31 -0800 | [diff] [blame] | 1276 | if (!dev->ethtool_ops->set_rx_csum) |
| 1277 | return -EOPNOTSUPP; |
| 1278 | |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1279 | if (!data) |
Herbert Xu | b240a0e | 2008-12-15 23:44:31 -0800 | [diff] [blame] | 1280 | dev->features &= ~NETIF_F_GRO; |
| 1281 | |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1282 | return dev->ethtool_ops->set_rx_csum(dev, data); |
Herbert Xu | b240a0e | 2008-12-15 23:44:31 -0800 | [diff] [blame] | 1283 | } |
| 1284 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1285 | static int __ethtool_set_tso(struct net_device *dev, u32 data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | if (!dev->ethtool_ops->set_tso) |
| 1288 | return -EOPNOTSUPP; |
| 1289 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1290 | if (data && !(dev->features & NETIF_F_SG)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | return -EINVAL; |
| 1292 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1293 | return dev->ethtool_ops->set_tso(dev, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1294 | } |
| 1295 | |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1296 | static int __ethtool_set_ufo(struct net_device *dev, u32 data) |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 1297 | { |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 1298 | if (!dev->ethtool_ops->set_ufo) |
| 1299 | return -EOPNOTSUPP; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1300 | if (data && !(dev->features & NETIF_F_SG)) |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 1301 | return -EINVAL; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1302 | if (data && !((dev->features & NETIF_F_GEN_CSUM) || |
Michał Mirosław | 7903264 | 2010-11-30 06:38:00 +0000 | [diff] [blame] | 1303 | (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM)) |
| 1304 | == (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) |
Ananda Raju | e89e9cf | 2005-10-18 15:46:41 -0700 | [diff] [blame] | 1305 | return -EINVAL; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1306 | return dev->ethtool_ops->set_ufo(dev, data); |
Herbert Xu | b240a0e | 2008-12-15 23:44:31 -0800 | [diff] [blame] | 1307 | } |
| 1308 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | static int ethtool_self_test(struct net_device *dev, char __user *useraddr) |
| 1310 | { |
| 1311 | struct ethtool_test test; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 1312 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | u64 *data; |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1314 | int ret, test_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1315 | |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1316 | if (!ops->self_test || !ops->get_sset_count) |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1317 | return -EOPNOTSUPP; |
| 1318 | |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1319 | test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1320 | if (test_len < 0) |
| 1321 | return test_len; |
| 1322 | WARN_ON(test_len == 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1323 | |
| 1324 | if (copy_from_user(&test, useraddr, sizeof(test))) |
| 1325 | return -EFAULT; |
| 1326 | |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1327 | test.len = test_len; |
| 1328 | data = kmalloc(test_len * sizeof(u64), GFP_USER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | if (!data) |
| 1330 | return -ENOMEM; |
| 1331 | |
| 1332 | ops->self_test(dev, &test, data); |
| 1333 | |
| 1334 | ret = -EFAULT; |
| 1335 | if (copy_to_user(useraddr, &test, sizeof(test))) |
| 1336 | goto out; |
| 1337 | useraddr += sizeof(test); |
| 1338 | if (copy_to_user(useraddr, data, test.len * sizeof(u64))) |
| 1339 | goto out; |
| 1340 | ret = 0; |
| 1341 | |
| 1342 | out: |
| 1343 | kfree(data); |
| 1344 | return ret; |
| 1345 | } |
| 1346 | |
| 1347 | static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) |
| 1348 | { |
| 1349 | struct ethtool_gstrings gstrings; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1350 | u8 *data; |
| 1351 | int ret; |
| 1352 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
| 1354 | return -EFAULT; |
| 1355 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 1356 | ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1357 | if (ret < 0) |
| 1358 | return ret; |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1359 | |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1360 | gstrings.len = ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | |
| 1362 | data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); |
| 1363 | if (!data) |
| 1364 | return -ENOMEM; |
| 1365 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 1366 | __ethtool_get_strings(dev, gstrings.string_set, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | |
| 1368 | ret = -EFAULT; |
| 1369 | if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) |
| 1370 | goto out; |
| 1371 | useraddr += sizeof(gstrings); |
| 1372 | if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) |
| 1373 | goto out; |
| 1374 | ret = 0; |
| 1375 | |
Michał Mirosław | 340ae16 | 2011-02-15 16:59:16 +0000 | [diff] [blame] | 1376 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1377 | kfree(data); |
| 1378 | return ret; |
| 1379 | } |
| 1380 | |
| 1381 | static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) |
| 1382 | { |
| 1383 | struct ethtool_value id; |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1384 | static bool busy; |
| 1385 | int rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | |
Stephen Hemminger | 1ab7b6a | 2011-04-14 23:46:06 -0700 | [diff] [blame] | 1387 | if (!dev->ethtool_ops->set_phys_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1388 | return -EOPNOTSUPP; |
| 1389 | |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1390 | if (busy) |
| 1391 | return -EBUSY; |
| 1392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1393 | if (copy_from_user(&id, useraddr, sizeof(id))) |
| 1394 | return -EFAULT; |
| 1395 | |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1396 | rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
Allan, Bruce W | fce5592 | 2011-04-13 13:09:10 +0000 | [diff] [blame] | 1397 | if (rc < 0) |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1398 | return rc; |
| 1399 | |
| 1400 | /* Drop the RTNL lock while waiting, but prevent reentry or |
| 1401 | * removal of the device. |
| 1402 | */ |
| 1403 | busy = true; |
| 1404 | dev_hold(dev); |
| 1405 | rtnl_unlock(); |
| 1406 | |
| 1407 | if (rc == 0) { |
| 1408 | /* Driver will handle this itself */ |
| 1409 | schedule_timeout_interruptible( |
Allan, Bruce W | 143780c | 2011-04-11 13:01:59 +0000 | [diff] [blame] | 1410 | id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1411 | } else { |
Allan, Bruce W | fce5592 | 2011-04-13 13:09:10 +0000 | [diff] [blame] | 1412 | /* Driver expects to be called at twice the frequency in rc */ |
| 1413 | int n = rc * 2, i, interval = HZ / n; |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1414 | |
Allan, Bruce W | fce5592 | 2011-04-13 13:09:10 +0000 | [diff] [blame] | 1415 | /* Count down seconds */ |
| 1416 | do { |
| 1417 | /* Count down iterations per second */ |
| 1418 | i = n; |
| 1419 | do { |
| 1420 | rtnl_lock(); |
| 1421 | rc = dev->ethtool_ops->set_phys_id(dev, |
| 1422 | (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
| 1423 | rtnl_unlock(); |
| 1424 | if (rc) |
| 1425 | break; |
| 1426 | schedule_timeout_interruptible(interval); |
| 1427 | } while (!signal_pending(current) && --i != 0); |
Ben Hutchings | 68f512f | 2011-04-02 00:35:15 +0100 | [diff] [blame] | 1428 | } while (!signal_pending(current) && |
| 1429 | (id.data == 0 || --id.data != 0)); |
| 1430 | } |
| 1431 | |
| 1432 | rtnl_lock(); |
| 1433 | dev_put(dev); |
| 1434 | busy = false; |
| 1435 | |
| 1436 | (void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
| 1437 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1438 | } |
| 1439 | |
| 1440 | static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) |
| 1441 | { |
| 1442 | struct ethtool_stats stats; |
Stephen Hemminger | 76fd859 | 2006-09-08 11:16:13 -0700 | [diff] [blame] | 1443 | const struct ethtool_ops *ops = dev->ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | u64 *data; |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1445 | int ret, n_stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1446 | |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1447 | if (!ops->get_ethtool_stats || !ops->get_sset_count) |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1448 | return -EOPNOTSUPP; |
| 1449 | |
Ben Hutchings | a9828ec | 2009-10-01 11:33:03 +0000 | [diff] [blame] | 1450 | n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1451 | if (n_stats < 0) |
| 1452 | return n_stats; |
| 1453 | WARN_ON(n_stats == 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1454 | |
| 1455 | if (copy_from_user(&stats, useraddr, sizeof(stats))) |
| 1456 | return -EFAULT; |
| 1457 | |
Jeff Garzik | ff03d49 | 2007-08-15 16:01:08 -0700 | [diff] [blame] | 1458 | stats.n_stats = n_stats; |
| 1459 | data = kmalloc(n_stats * sizeof(u64), GFP_USER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1460 | if (!data) |
| 1461 | return -ENOMEM; |
| 1462 | |
| 1463 | ops->get_ethtool_stats(dev, &stats, data); |
| 1464 | |
| 1465 | ret = -EFAULT; |
| 1466 | if (copy_to_user(useraddr, &stats, sizeof(stats))) |
| 1467 | goto out; |
| 1468 | useraddr += sizeof(stats); |
| 1469 | if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) |
| 1470 | goto out; |
| 1471 | ret = 0; |
| 1472 | |
| 1473 | out: |
| 1474 | kfree(data); |
| 1475 | return ret; |
| 1476 | } |
| 1477 | |
viro@ftp.linux.org.uk | 0bf0519d | 2005-09-05 03:26:18 +0100 | [diff] [blame] | 1478 | static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1479 | { |
| 1480 | struct ethtool_perm_addr epaddr; |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1481 | |
Matthew Wilcox | 313674a | 2007-07-31 14:00:29 -0700 | [diff] [blame] | 1482 | if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1483 | return -EFAULT; |
| 1484 | |
Matthew Wilcox | 313674a | 2007-07-31 14:00:29 -0700 | [diff] [blame] | 1485 | if (epaddr.size < dev->addr_len) |
| 1486 | return -ETOOSMALL; |
| 1487 | epaddr.size = dev->addr_len; |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1488 | |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1489 | if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
Matthew Wilcox | 313674a | 2007-07-31 14:00:29 -0700 | [diff] [blame] | 1490 | return -EFAULT; |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1491 | useraddr += sizeof(epaddr); |
Matthew Wilcox | 313674a | 2007-07-31 14:00:29 -0700 | [diff] [blame] | 1492 | if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
| 1493 | return -EFAULT; |
| 1494 | return 0; |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1495 | } |
| 1496 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1497 | static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
| 1498 | u32 cmd, u32 (*actor)(struct net_device *)) |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1499 | { |
Roland Dreier | 8e55742 | 2010-02-11 12:14:23 -0800 | [diff] [blame] | 1500 | struct ethtool_value edata = { .cmd = cmd }; |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1501 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1502 | if (!actor) |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1503 | return -EOPNOTSUPP; |
| 1504 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1505 | edata.data = actor(dev); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1506 | |
| 1507 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| 1508 | return -EFAULT; |
| 1509 | return 0; |
| 1510 | } |
| 1511 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1512 | static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
| 1513 | void (*actor)(struct net_device *, u32)) |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1514 | { |
| 1515 | struct ethtool_value edata; |
| 1516 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1517 | if (!actor) |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1518 | return -EOPNOTSUPP; |
| 1519 | |
| 1520 | if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| 1521 | return -EFAULT; |
| 1522 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1523 | actor(dev, edata.data); |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1524 | return 0; |
| 1525 | } |
| 1526 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1527 | static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
| 1528 | int (*actor)(struct net_device *, u32)) |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1529 | { |
| 1530 | struct ethtool_value edata; |
| 1531 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1532 | if (!actor) |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1533 | return -EOPNOTSUPP; |
| 1534 | |
| 1535 | if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| 1536 | return -EFAULT; |
| 1537 | |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1538 | return actor(dev, edata.data); |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1539 | } |
| 1540 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1541 | static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
| 1542 | char __user *useraddr) |
Ajit Khaparde | 05c6a8d | 2009-09-02 17:02:55 +0000 | [diff] [blame] | 1543 | { |
| 1544 | struct ethtool_flash efl; |
| 1545 | |
| 1546 | if (copy_from_user(&efl, useraddr, sizeof(efl))) |
| 1547 | return -EFAULT; |
| 1548 | |
| 1549 | if (!dev->ethtool_ops->flash_device) |
| 1550 | return -EOPNOTSUPP; |
| 1551 | |
| 1552 | return dev->ethtool_ops->flash_device(dev, &efl); |
| 1553 | } |
| 1554 | |
Anirban Chakraborty | 29dd54b | 2011-05-12 12:48:32 +0000 | [diff] [blame] | 1555 | static int ethtool_set_dump(struct net_device *dev, |
| 1556 | void __user *useraddr) |
| 1557 | { |
| 1558 | struct ethtool_dump dump; |
| 1559 | |
| 1560 | if (!dev->ethtool_ops->set_dump) |
| 1561 | return -EOPNOTSUPP; |
| 1562 | |
| 1563 | if (copy_from_user(&dump, useraddr, sizeof(dump))) |
| 1564 | return -EFAULT; |
| 1565 | |
| 1566 | return dev->ethtool_ops->set_dump(dev, &dump); |
| 1567 | } |
| 1568 | |
| 1569 | static int ethtool_get_dump_flag(struct net_device *dev, |
| 1570 | void __user *useraddr) |
| 1571 | { |
| 1572 | int ret; |
| 1573 | struct ethtool_dump dump; |
| 1574 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 1575 | |
| 1576 | if (!dev->ethtool_ops->get_dump_flag) |
| 1577 | return -EOPNOTSUPP; |
| 1578 | |
| 1579 | if (copy_from_user(&dump, useraddr, sizeof(dump))) |
| 1580 | return -EFAULT; |
| 1581 | |
| 1582 | ret = ops->get_dump_flag(dev, &dump); |
| 1583 | if (ret) |
| 1584 | return ret; |
| 1585 | |
| 1586 | if (copy_to_user(useraddr, &dump, sizeof(dump))) |
| 1587 | return -EFAULT; |
| 1588 | return 0; |
| 1589 | } |
| 1590 | |
| 1591 | static int ethtool_get_dump_data(struct net_device *dev, |
| 1592 | void __user *useraddr) |
| 1593 | { |
| 1594 | int ret; |
| 1595 | __u32 len; |
| 1596 | struct ethtool_dump dump, tmp; |
| 1597 | const struct ethtool_ops *ops = dev->ethtool_ops; |
| 1598 | void *data = NULL; |
| 1599 | |
| 1600 | if (!dev->ethtool_ops->get_dump_data || |
| 1601 | !dev->ethtool_ops->get_dump_flag) |
| 1602 | return -EOPNOTSUPP; |
| 1603 | |
| 1604 | if (copy_from_user(&dump, useraddr, sizeof(dump))) |
| 1605 | return -EFAULT; |
| 1606 | |
| 1607 | memset(&tmp, 0, sizeof(tmp)); |
| 1608 | tmp.cmd = ETHTOOL_GET_DUMP_FLAG; |
| 1609 | ret = ops->get_dump_flag(dev, &tmp); |
| 1610 | if (ret) |
| 1611 | return ret; |
| 1612 | |
| 1613 | len = (tmp.len > dump.len) ? dump.len : tmp.len; |
| 1614 | if (!len) |
| 1615 | return -EFAULT; |
| 1616 | |
| 1617 | data = vzalloc(tmp.len); |
| 1618 | if (!data) |
| 1619 | return -ENOMEM; |
| 1620 | ret = ops->get_dump_data(dev, &dump, data); |
| 1621 | if (ret) |
| 1622 | goto out; |
| 1623 | |
| 1624 | if (copy_to_user(useraddr, &dump, sizeof(dump))) { |
| 1625 | ret = -EFAULT; |
| 1626 | goto out; |
| 1627 | } |
| 1628 | useraddr += offsetof(struct ethtool_dump, data); |
| 1629 | if (copy_to_user(useraddr, data, len)) |
| 1630 | ret = -EFAULT; |
| 1631 | out: |
| 1632 | vfree(data); |
| 1633 | return ret; |
| 1634 | } |
| 1635 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | /* The main entry point in this file. Called from net/core/dev.c */ |
| 1637 | |
Eric W. Biederman | 881d966 | 2007-09-17 11:56:21 -0700 | [diff] [blame] | 1638 | int dev_ethtool(struct net *net, struct ifreq *ifr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1639 | { |
Eric W. Biederman | 881d966 | 2007-09-17 11:56:21 -0700 | [diff] [blame] | 1640 | struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1641 | void __user *useraddr = ifr->ifr_data; |
| 1642 | u32 ethcmd; |
| 1643 | int rc; |
Michał Mirosław | 04ed3e7 | 2011-01-24 15:32:47 -0800 | [diff] [blame] | 1644 | u32 old_features; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1645 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1646 | if (!dev || !netif_device_present(dev)) |
| 1647 | return -ENODEV; |
| 1648 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1649 | if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1650 | return -EFAULT; |
| 1651 | |
Ben Hutchings | 0141480 | 2010-08-17 02:31:15 -0700 | [diff] [blame] | 1652 | if (!dev->ethtool_ops) { |
| 1653 | /* ETHTOOL_GDRVINFO does not require any driver support. |
| 1654 | * It is also unprivileged and does not change anything, |
| 1655 | * so we can take a shortcut to it. */ |
| 1656 | if (ethcmd == ETHTOOL_GDRVINFO) |
| 1657 | return ethtool_get_drvinfo(dev, useraddr); |
| 1658 | else |
| 1659 | return -EOPNOTSUPP; |
| 1660 | } |
| 1661 | |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1662 | /* Allow some commands to be done by anyone */ |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1663 | switch (ethcmd) { |
stephen hemminger | 0fdc100 | 2010-08-23 10:24:18 +0000 | [diff] [blame] | 1664 | case ETHTOOL_GSET: |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1665 | case ETHTOOL_GDRVINFO: |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1666 | case ETHTOOL_GMSGLVL: |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1667 | case ETHTOOL_GCOALESCE: |
| 1668 | case ETHTOOL_GRINGPARAM: |
| 1669 | case ETHTOOL_GPAUSEPARAM: |
| 1670 | case ETHTOOL_GRXCSUM: |
| 1671 | case ETHTOOL_GTXCSUM: |
| 1672 | case ETHTOOL_GSG: |
| 1673 | case ETHTOOL_GSTRINGS: |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1674 | case ETHTOOL_GTSO: |
| 1675 | case ETHTOOL_GPERMADDR: |
| 1676 | case ETHTOOL_GUFO: |
| 1677 | case ETHTOOL_GGSO: |
stephen hemminger | 1cab819 | 2010-02-11 13:48:29 +0000 | [diff] [blame] | 1678 | case ETHTOOL_GGRO: |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1679 | case ETHTOOL_GFLAGS: |
| 1680 | case ETHTOOL_GPFLAGS: |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 1681 | case ETHTOOL_GRXFH: |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 1682 | case ETHTOOL_GRXRINGS: |
| 1683 | case ETHTOOL_GRXCLSRLCNT: |
| 1684 | case ETHTOOL_GRXCLSRULE: |
| 1685 | case ETHTOOL_GRXCLSRLALL: |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1686 | case ETHTOOL_GFEATURES: |
Stephen Hemminger | 75f3123 | 2006-09-28 15:13:37 -0700 | [diff] [blame] | 1687 | break; |
| 1688 | default: |
| 1689 | if (!capable(CAP_NET_ADMIN)) |
| 1690 | return -EPERM; |
| 1691 | } |
| 1692 | |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1693 | if (dev->ethtool_ops->begin) { |
| 1694 | rc = dev->ethtool_ops->begin(dev); |
| 1695 | if (rc < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1696 | return rc; |
chavey | 97f8aef | 2010-04-07 21:54:42 -0700 | [diff] [blame] | 1697 | } |
Stephen Hemminger | d8a33ac | 2005-05-29 14:13:47 -0700 | [diff] [blame] | 1698 | old_features = dev->features; |
| 1699 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1700 | switch (ethcmd) { |
| 1701 | case ETHTOOL_GSET: |
| 1702 | rc = ethtool_get_settings(dev, useraddr); |
| 1703 | break; |
| 1704 | case ETHTOOL_SSET: |
| 1705 | rc = ethtool_set_settings(dev, useraddr); |
| 1706 | break; |
| 1707 | case ETHTOOL_GDRVINFO: |
| 1708 | rc = ethtool_get_drvinfo(dev, useraddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1709 | break; |
| 1710 | case ETHTOOL_GREGS: |
| 1711 | rc = ethtool_get_regs(dev, useraddr); |
| 1712 | break; |
| 1713 | case ETHTOOL_GWOL: |
| 1714 | rc = ethtool_get_wol(dev, useraddr); |
| 1715 | break; |
| 1716 | case ETHTOOL_SWOL: |
| 1717 | rc = ethtool_set_wol(dev, useraddr); |
| 1718 | break; |
| 1719 | case ETHTOOL_GMSGLVL: |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1720 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
| 1721 | dev->ethtool_ops->get_msglevel); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1722 | break; |
| 1723 | case ETHTOOL_SMSGLVL: |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1724 | rc = ethtool_set_value_void(dev, useraddr, |
| 1725 | dev->ethtool_ops->set_msglevel); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1726 | break; |
| 1727 | case ETHTOOL_NWAY_RST: |
| 1728 | rc = ethtool_nway_reset(dev); |
| 1729 | break; |
| 1730 | case ETHTOOL_GLINK: |
Ben Hutchings | e596e6e | 2010-12-09 12:08:35 +0000 | [diff] [blame] | 1731 | rc = ethtool_get_link(dev, useraddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | break; |
| 1733 | case ETHTOOL_GEEPROM: |
| 1734 | rc = ethtool_get_eeprom(dev, useraddr); |
| 1735 | break; |
| 1736 | case ETHTOOL_SEEPROM: |
| 1737 | rc = ethtool_set_eeprom(dev, useraddr); |
| 1738 | break; |
| 1739 | case ETHTOOL_GCOALESCE: |
| 1740 | rc = ethtool_get_coalesce(dev, useraddr); |
| 1741 | break; |
| 1742 | case ETHTOOL_SCOALESCE: |
| 1743 | rc = ethtool_set_coalesce(dev, useraddr); |
| 1744 | break; |
| 1745 | case ETHTOOL_GRINGPARAM: |
| 1746 | rc = ethtool_get_ringparam(dev, useraddr); |
| 1747 | break; |
| 1748 | case ETHTOOL_SRINGPARAM: |
| 1749 | rc = ethtool_set_ringparam(dev, useraddr); |
| 1750 | break; |
| 1751 | case ETHTOOL_GPAUSEPARAM: |
| 1752 | rc = ethtool_get_pauseparam(dev, useraddr); |
| 1753 | break; |
| 1754 | case ETHTOOL_SPAUSEPARAM: |
| 1755 | rc = ethtool_set_pauseparam(dev, useraddr); |
| 1756 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1757 | case ETHTOOL_TEST: |
| 1758 | rc = ethtool_self_test(dev, useraddr); |
| 1759 | break; |
| 1760 | case ETHTOOL_GSTRINGS: |
| 1761 | rc = ethtool_get_strings(dev, useraddr); |
| 1762 | break; |
| 1763 | case ETHTOOL_PHYS_ID: |
| 1764 | rc = ethtool_phys_id(dev, useraddr); |
| 1765 | break; |
| 1766 | case ETHTOOL_GSTATS: |
| 1767 | rc = ethtool_get_stats(dev, useraddr); |
| 1768 | break; |
Jon Wetzel | a6f9a70 | 2005-08-20 17:15:54 -0700 | [diff] [blame] | 1769 | case ETHTOOL_GPERMADDR: |
| 1770 | rc = ethtool_get_perm_addr(dev, useraddr); |
| 1771 | break; |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1772 | case ETHTOOL_GFLAGS: |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1773 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
Sridhar Samudrala | 1896e61 | 2009-07-22 13:38:22 +0000 | [diff] [blame] | 1774 | (dev->ethtool_ops->get_flags ? |
| 1775 | dev->ethtool_ops->get_flags : |
| 1776 | ethtool_op_get_flags)); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1777 | break; |
| 1778 | case ETHTOOL_SFLAGS: |
Michał Mirosław | da8ac86c | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1779 | rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
Jeff Garzik | 3ae7c0b | 2007-08-15 16:00:51 -0700 | [diff] [blame] | 1780 | break; |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1781 | case ETHTOOL_GPFLAGS: |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1782 | rc = ethtool_get_value(dev, useraddr, ethcmd, |
| 1783 | dev->ethtool_ops->get_priv_flags); |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1784 | break; |
| 1785 | case ETHTOOL_SPFLAGS: |
Jeff Garzik | 13c99b2 | 2007-08-15 16:01:56 -0700 | [diff] [blame] | 1786 | rc = ethtool_set_value(dev, useraddr, |
| 1787 | dev->ethtool_ops->set_priv_flags); |
Jeff Garzik | 339bf02 | 2007-08-15 16:01:32 -0700 | [diff] [blame] | 1788 | break; |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 1789 | case ETHTOOL_GRXFH: |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 1790 | case ETHTOOL_GRXRINGS: |
| 1791 | case ETHTOOL_GRXCLSRLCNT: |
| 1792 | case ETHTOOL_GRXCLSRULE: |
| 1793 | case ETHTOOL_GRXCLSRLALL: |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 1794 | rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 1795 | break; |
| 1796 | case ETHTOOL_SRXFH: |
Santwona Behera | 59089d8 | 2009-02-20 00:58:13 -0800 | [diff] [blame] | 1797 | case ETHTOOL_SRXCLSRLDEL: |
| 1798 | case ETHTOOL_SRXCLSRLINS: |
Ben Hutchings | bf98843 | 2010-06-28 08:45:58 +0000 | [diff] [blame] | 1799 | rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
Santwona Behera | 0853ad6 | 2008-07-02 03:47:41 -0700 | [diff] [blame] | 1800 | break; |
Ajit Khaparde | 05c6a8d | 2009-09-02 17:02:55 +0000 | [diff] [blame] | 1801 | case ETHTOOL_FLASHDEV: |
| 1802 | rc = ethtool_flash_device(dev, useraddr); |
| 1803 | break; |
Ben Hutchings | d73d3a8 | 2009-10-05 10:59:58 +0000 | [diff] [blame] | 1804 | case ETHTOOL_RESET: |
| 1805 | rc = ethtool_reset(dev, useraddr); |
| 1806 | break; |
Peter P Waskiewicz Jr | 15682bc | 2010-02-10 20:03:05 -0800 | [diff] [blame] | 1807 | case ETHTOOL_SRXNTUPLE: |
| 1808 | rc = ethtool_set_rx_ntuple(dev, useraddr); |
| 1809 | break; |
Jeff Garzik | 723b2f5 | 2010-03-03 22:51:50 +0000 | [diff] [blame] | 1810 | case ETHTOOL_GSSET_INFO: |
| 1811 | rc = ethtool_get_sset_info(dev, useraddr); |
| 1812 | break; |
Ben Hutchings | a5b6ee2 | 2010-06-30 05:05:23 +0000 | [diff] [blame] | 1813 | case ETHTOOL_GRXFHINDIR: |
| 1814 | rc = ethtool_get_rxfh_indir(dev, useraddr); |
| 1815 | break; |
| 1816 | case ETHTOOL_SRXFHINDIR: |
| 1817 | rc = ethtool_set_rxfh_indir(dev, useraddr); |
| 1818 | break; |
Michał Mirosław | 5455c69 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1819 | case ETHTOOL_GFEATURES: |
| 1820 | rc = ethtool_get_features(dev, useraddr); |
| 1821 | break; |
| 1822 | case ETHTOOL_SFEATURES: |
| 1823 | rc = ethtool_set_features(dev, useraddr); |
| 1824 | break; |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1825 | case ETHTOOL_GTXCSUM: |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1826 | case ETHTOOL_GRXCSUM: |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1827 | case ETHTOOL_GSG: |
| 1828 | case ETHTOOL_GTSO: |
| 1829 | case ETHTOOL_GUFO: |
| 1830 | case ETHTOOL_GGSO: |
| 1831 | case ETHTOOL_GGRO: |
| 1832 | rc = ethtool_get_one_feature(dev, useraddr, ethcmd); |
| 1833 | break; |
| 1834 | case ETHTOOL_STXCSUM: |
Michał Mirosław | e83d360 | 2011-02-15 16:59:18 +0000 | [diff] [blame] | 1835 | case ETHTOOL_SRXCSUM: |
Michał Mirosław | 0a41770 | 2011-02-15 16:59:17 +0000 | [diff] [blame] | 1836 | case ETHTOOL_SSG: |
| 1837 | case ETHTOOL_STSO: |
| 1838 | case ETHTOOL_SUFO: |
| 1839 | case ETHTOOL_SGSO: |
| 1840 | case ETHTOOL_SGRO: |
| 1841 | rc = ethtool_set_one_feature(dev, useraddr, ethcmd); |
| 1842 | break; |
amit salecha | 8b5933c | 2011-04-07 01:58:42 +0000 | [diff] [blame] | 1843 | case ETHTOOL_GCHANNELS: |
| 1844 | rc = ethtool_get_channels(dev, useraddr); |
| 1845 | break; |
| 1846 | case ETHTOOL_SCHANNELS: |
| 1847 | rc = ethtool_set_channels(dev, useraddr); |
| 1848 | break; |
Anirban Chakraborty | 29dd54b | 2011-05-12 12:48:32 +0000 | [diff] [blame] | 1849 | case ETHTOOL_SET_DUMP: |
| 1850 | rc = ethtool_set_dump(dev, useraddr); |
| 1851 | break; |
| 1852 | case ETHTOOL_GET_DUMP_FLAG: |
| 1853 | rc = ethtool_get_dump_flag(dev, useraddr); |
| 1854 | break; |
| 1855 | case ETHTOOL_GET_DUMP_DATA: |
| 1856 | rc = ethtool_get_dump_data(dev, useraddr); |
| 1857 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1858 | default: |
Matthew Wilcox | 61a44b9 | 2007-07-31 14:00:02 -0700 | [diff] [blame] | 1859 | rc = -EOPNOTSUPP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1860 | } |
YOSHIFUJI Hideaki | 4ec93ed | 2007-02-09 23:24:36 +0900 | [diff] [blame] | 1861 | |
Stephen Hemminger | e71a478 | 2007-04-10 20:10:33 -0700 | [diff] [blame] | 1862 | if (dev->ethtool_ops->complete) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1863 | dev->ethtool_ops->complete(dev); |
Stephen Hemminger | d8a33ac | 2005-05-29 14:13:47 -0700 | [diff] [blame] | 1864 | |
| 1865 | if (old_features != dev->features) |
| 1866 | netdev_features_change(dev); |
| 1867 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1868 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1869 | } |