2 * net/core/ethtool.c - Ethtool ioctl handler
3 * Copyright (c) 2003 Matthew Wilcox <matthew@wil.cx>
5 * This file is where we call all the ethtool_ops commands to get
6 * the information ethtool needs.
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.
14 #include <linux/module.h>
15 #include <linux/types.h>
16 #include <linux/capability.h>
17 #include <linux/errno.h>
18 #include <linux/ethtool.h>
19 #include <linux/netdevice.h>
20 #include <linux/bitops.h>
21 #include <linux/uaccess.h>
22 #include <linux/vmalloc.h>
23 #include <linux/slab.h>
24 #include <linux/rtnetlink.h>
25 #include <linux/sched.h>
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.
33 u32 ethtool_op_get_link(struct net_device *dev)
35 return netif_carrier_ok(dev) ? 1 : 0;
37 EXPORT_SYMBOL(ethtool_op_get_link);
39 u32 ethtool_op_get_tx_csum(struct net_device *dev)
41 return (dev->features & NETIF_F_ALL_CSUM) != 0;
43 EXPORT_SYMBOL(ethtool_op_get_tx_csum);
45 int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
48 dev->features |= NETIF_F_IP_CSUM;
50 dev->features &= ~NETIF_F_IP_CSUM;
54 EXPORT_SYMBOL(ethtool_op_set_tx_csum);
56 int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
59 dev->features |= NETIF_F_HW_CSUM;
61 dev->features &= ~NETIF_F_HW_CSUM;
65 EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);
67 int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data)
70 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
72 dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
76 EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum);
78 u32 ethtool_op_get_sg(struct net_device *dev)
80 return (dev->features & NETIF_F_SG) != 0;
82 EXPORT_SYMBOL(ethtool_op_get_sg);
84 int ethtool_op_set_sg(struct net_device *dev, u32 data)
87 dev->features |= NETIF_F_SG;
89 dev->features &= ~NETIF_F_SG;
93 EXPORT_SYMBOL(ethtool_op_set_sg);
95 u32 ethtool_op_get_tso(struct net_device *dev)
97 return (dev->features & NETIF_F_TSO) != 0;
99 EXPORT_SYMBOL(ethtool_op_get_tso);
101 int ethtool_op_set_tso(struct net_device *dev, u32 data)
104 dev->features |= NETIF_F_TSO;
106 dev->features &= ~NETIF_F_TSO;
110 EXPORT_SYMBOL(ethtool_op_set_tso);
112 u32 ethtool_op_get_ufo(struct net_device *dev)
114 return (dev->features & NETIF_F_UFO) != 0;
116 EXPORT_SYMBOL(ethtool_op_get_ufo);
118 int ethtool_op_set_ufo(struct net_device *dev, u32 data)
121 dev->features |= NETIF_F_UFO;
123 dev->features &= ~NETIF_F_UFO;
126 EXPORT_SYMBOL(ethtool_op_set_ufo);
128 /* the following list of flags are the same as their associated
129 * NETIF_F_xxx values in include/linux/netdevice.h
131 static const u32 flags_dup_features =
132 (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | ETH_FLAG_NTUPLE |
135 u32 ethtool_op_get_flags(struct net_device *dev)
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
142 return dev->features & flags_dup_features;
144 EXPORT_SYMBOL(ethtool_op_get_flags);
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.
151 bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported)
153 u32 features = dev->features & flags_dup_features;
154 /* "data" can contain only flags_dup_features bits,
155 * see __ethtool_set_flags */
157 return (features & ~supported) != (data & ~supported);
159 EXPORT_SYMBOL(ethtool_invalid_flags);
161 int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
163 if (ethtool_invalid_flags(dev, data, supported))
166 dev->features = ((dev->features & ~flags_dup_features) |
167 (data & flags_dup_features));
170 EXPORT_SYMBOL(ethtool_op_set_flags);
172 /* Handlers for each ethtool command */
174 #define ETHTOOL_DEV_FEATURE_WORDS 1
176 static void ethtool_get_features_compat(struct net_device *dev,
177 struct ethtool_get_features_block *features)
179 if (!dev->ethtool_ops)
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;
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;
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)
209 if (!(features[0].valid & mask))
212 features[0].valid &= ~mask;
214 do_set = !!(features[0].requested & mask);
216 if (legacy_set(dev, do_set) < 0)
218 "Legacy feature change (%s) failed for 0x%08x\n",
219 do_set ? "set" : "clear", mask);
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)
233 if (!(features[0].valid & mask))
236 value = dev->features & ~features[0].valid;
237 value |= features[0].requested;
239 features[0].valid &= ~mask;
241 if (legacy_set(dev, value & mask) < 0)
242 netdev_info(dev, "Legacy flags change failed\n");
247 static int ethtool_set_features_compat(struct net_device *dev,
248 struct ethtool_set_features_block *features)
252 if (!dev->ethtool_ops)
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);
263 compat |= ethtool_set_flags_compat(dev, dev->ethtool_ops->set_flags,
264 features, flags_dup_features);
269 static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
271 struct ethtool_gfeatures cmd = {
272 .cmd = ETHTOOL_GFEATURES,
273 .size = ETHTOOL_DEV_FEATURE_WORDS,
275 struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS] = {
277 .available = dev->hw_features,
278 .requested = dev->wanted_features,
279 .active = dev->features,
280 .never_changed = NETIF_F_NEVER_CHANGE,
283 u32 __user *sizeaddr;
286 ethtool_get_features_compat(dev, features);
288 sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
289 if (get_user(copy_size, sizeaddr))
292 if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
293 copy_size = ETHTOOL_DEV_FEATURE_WORDS;
295 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
297 useraddr += sizeof(cmd);
298 if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
304 static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
306 struct ethtool_sfeatures cmd;
307 struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
310 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
312 useraddr += sizeof(cmd);
314 if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
317 if (copy_from_user(features, useraddr, sizeof(features)))
320 if (features[0].valid & ~NETIF_F_ETHTOOL_BITS)
323 if (ethtool_set_features_compat(dev, features))
324 ret |= ETHTOOL_F_COMPAT;
326 if (features[0].valid & ~dev->hw_features) {
327 features[0].valid &= dev->hw_features;
328 ret |= ETHTOOL_F_UNSUPPORTED;
331 dev->wanted_features &= ~features[0].valid;
332 dev->wanted_features |= features[0].valid & features[0].requested;
333 __netdev_update_features(dev);
335 if ((dev->wanted_features ^ dev->features) & features[0].valid)
336 ret |= ETHTOOL_F_WISH;
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",
346 /* NETIF_F_IPV6_CSUM */ "tx-checksum-ipv6",
347 /* NETIF_F_HIGHDMA */ "highdma",
348 /* NETIF_F_FRAGLIST */ "tx-scatter-gather-fraglist",
349 /* NETIF_F_HW_VLAN_TX */ "tx-vlan-hw-insert",
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",
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",
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",
374 /* NETIF_F_RXCSUM */ "rx-checksum",
375 /* NETIF_F_NOCACHE_COPY */ "tx-nocache-copy",
376 /* NETIF_F_LOOPBACK */ "loopback",
379 static int __ethtool_get_sset_count(struct net_device *dev, int sset)
381 const struct ethtool_ops *ops = dev->ethtool_ops;
383 if (sset == ETH_SS_FEATURES)
384 return ARRAY_SIZE(netdev_features_strings);
386 if (ops && ops->get_sset_count && ops->get_strings)
387 return ops->get_sset_count(dev, sset);
392 static void __ethtool_get_strings(struct net_device *dev,
393 u32 stringset, u8 *data)
395 const struct ethtool_ops *ops = dev->ethtool_ops;
397 if (stringset == ETH_SS_FEATURES)
398 memcpy(data, netdev_features_strings,
399 sizeof(netdev_features_strings));
401 /* ops->get_strings is valid because checked earlier */
402 ops->get_strings(dev, stringset, data);
405 static u32 ethtool_get_feature_mask(u32 eth_cmd)
407 /* feature masks of legacy discrete ethtool ops */
410 case ETHTOOL_GTXCSUM:
411 case ETHTOOL_STXCSUM:
412 return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
413 case ETHTOOL_GRXCSUM:
414 case ETHTOOL_SRXCSUM:
415 return NETIF_F_RXCSUM;
421 return NETIF_F_ALL_TSO;
436 static void *__ethtool_get_one_feature_actor(struct net_device *dev, u32 ethcmd)
438 const struct ethtool_ops *ops = dev->ethtool_ops;
444 case ETHTOOL_GTXCSUM:
445 return ops->get_tx_csum;
446 case ETHTOOL_GRXCSUM:
447 return ops->get_rx_csum;
459 static u32 __ethtool_get_rx_csum_oldbug(struct net_device *dev)
461 return !!(dev->features & NETIF_F_ALL_CSUM);
464 static int ethtool_get_one_feature(struct net_device *dev,
465 char __user *useraddr, u32 ethcmd)
467 u32 mask = ethtool_get_feature_mask(ethcmd);
468 struct ethtool_value edata = {
470 .data = !!(dev->features & mask),
473 /* compatibility with discrete get_ ops */
474 if (!(dev->hw_features & mask)) {
475 u32 (*actor)(struct net_device *);
477 actor = __ethtool_get_one_feature_actor(dev, ethcmd);
479 /* bug compatibility with old get_rx_csum */
480 if (ethcmd == ETHTOOL_GRXCSUM && !actor)
481 actor = __ethtool_get_rx_csum_oldbug;
484 edata.data = actor(dev);
487 if (copy_to_user(useraddr, &edata, sizeof(edata)))
492 static int __ethtool_set_tx_csum(struct net_device *dev, u32 data);
493 static int __ethtool_set_rx_csum(struct net_device *dev, u32 data);
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);
498 static int ethtool_set_one_feature(struct net_device *dev,
499 void __user *useraddr, u32 ethcmd)
501 struct ethtool_value edata;
504 if (copy_from_user(&edata, useraddr, sizeof(edata)))
507 mask = ethtool_get_feature_mask(ethcmd);
508 mask &= dev->hw_features;
511 dev->wanted_features |= mask;
513 dev->wanted_features &= ~mask;
515 __netdev_update_features(dev);
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.
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.
529 case ETHTOOL_STXCSUM:
530 return __ethtool_set_tx_csum(dev, edata.data);
531 case ETHTOOL_SRXCSUM:
532 return __ethtool_set_rx_csum(dev, edata.data);
534 return __ethtool_set_sg(dev, edata.data);
536 return __ethtool_set_tso(dev, edata.data);
538 return __ethtool_set_ufo(dev, edata.data);
544 int __ethtool_set_flags(struct net_device *dev, u32 data)
548 if (data & ~flags_dup_features)
551 /* legacy set_flags() op */
552 if (dev->ethtool_ops->set_flags) {
553 if (unlikely(dev->hw_features & flags_dup_features))
555 "driver BUG: mixed hw_features and set_flags()\n");
556 return dev->ethtool_ops->set_flags(dev, data);
559 /* allow changing only bits set in hw_features */
560 changed = (data ^ dev->features) & flags_dup_features;
561 if (changed & ~dev->hw_features)
562 return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
564 dev->wanted_features =
565 (dev->wanted_features & ~changed) | (data & dev->hw_features);
567 __netdev_update_features(dev);
572 int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
576 if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings)
579 memset(cmd, 0, sizeof(struct ethtool_cmd));
580 cmd->cmd = ETHTOOL_GSET;
581 return dev->ethtool_ops->get_settings(dev, cmd);
583 EXPORT_SYMBOL(__ethtool_get_settings);
585 static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
588 struct ethtool_cmd cmd;
590 err = __ethtool_get_settings(dev, &cmd);
594 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
599 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
601 struct ethtool_cmd cmd;
603 if (!dev->ethtool_ops->set_settings)
606 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
609 return dev->ethtool_ops->set_settings(dev, &cmd);
612 static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
613 void __user *useraddr)
615 struct ethtool_drvinfo info;
616 const struct ethtool_ops *ops = dev->ethtool_ops;
618 memset(&info, 0, sizeof(info));
619 info.cmd = ETHTOOL_GDRVINFO;
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));
632 * this method of obtaining string set info is deprecated;
633 * Use ETHTOOL_GSSET_INFO instead.
635 if (ops && ops->get_sset_count) {
638 rc = ops->get_sset_count(dev, ETH_SS_TEST);
640 info.testinfo_len = rc;
641 rc = ops->get_sset_count(dev, ETH_SS_STATS);
644 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
646 info.n_priv_flags = rc;
648 if (ops && ops->get_regs_len)
649 info.regdump_len = ops->get_regs_len(dev);
650 if (ops && ops->get_eeprom_len)
651 info.eedump_len = ops->get_eeprom_len(dev);
653 if (copy_to_user(useraddr, &info, sizeof(info)))
658 static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
659 void __user *useraddr)
661 struct ethtool_sset_info info;
663 int i, idx = 0, n_bits = 0, ret, rc;
664 u32 *info_buf = NULL;
666 if (copy_from_user(&info, useraddr, sizeof(info)))
669 /* store copy of mask, because we zero struct later on */
670 sset_mask = info.sset_mask;
674 /* calculate size of return buffer */
675 n_bits = hweight64(sset_mask);
677 memset(&info, 0, sizeof(info));
678 info.cmd = ETHTOOL_GSSET_INFO;
680 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
685 * fill return buffer based on input bitmask and successful
686 * get_sset_count return
688 for (i = 0; i < 64; i++) {
689 if (!(sset_mask & (1ULL << i)))
692 rc = __ethtool_get_sset_count(dev, i);
694 info.sset_mask |= (1ULL << i);
695 info_buf[idx++] = rc;
700 if (copy_to_user(useraddr, &info, sizeof(info)))
703 useraddr += offsetof(struct ethtool_sset_info, data);
704 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
714 static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
715 u32 cmd, void __user *useraddr)
717 struct ethtool_rxnfc info;
718 size_t info_size = sizeof(info);
720 if (!dev->ethtool_ops->set_rxnfc)
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
727 if (cmd == ETHTOOL_SRXFH)
728 info_size = (offsetof(struct ethtool_rxnfc, data) +
731 if (copy_from_user(&info, useraddr, info_size))
734 return dev->ethtool_ops->set_rxnfc(dev, &info);
737 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
738 u32 cmd, void __user *useraddr)
740 struct ethtool_rxnfc info;
741 size_t info_size = sizeof(info);
742 const struct ethtool_ops *ops = dev->ethtool_ops;
744 void *rule_buf = NULL;
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
753 if (cmd == ETHTOOL_GRXFH)
754 info_size = (offsetof(struct ethtool_rxnfc, data) +
757 if (copy_from_user(&info, useraddr, info_size))
760 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
761 if (info.rule_cnt > 0) {
762 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
763 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
770 ret = ops->get_rxnfc(dev, &info, rule_buf);
775 if (copy_to_user(useraddr, &info, info_size))
779 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
780 if (copy_to_user(useraddr, rule_buf,
781 info.rule_cnt * sizeof(u32)))
792 static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
793 void __user *useraddr)
795 struct ethtool_rxfh_indir *indir;
800 if (!dev->ethtool_ops->get_rxfh_indir)
803 if (copy_from_user(&table_size,
804 useraddr + offsetof(struct ethtool_rxfh_indir, size),
809 (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index))
811 full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size;
812 indir = kzalloc(full_size, GFP_USER);
816 indir->cmd = ETHTOOL_GRXFHINDIR;
817 indir->size = table_size;
818 ret = dev->ethtool_ops->get_rxfh_indir(dev, indir);
822 if (copy_to_user(useraddr, indir, full_size))
830 static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
831 void __user *useraddr)
833 struct ethtool_rxfh_indir *indir;
838 if (!dev->ethtool_ops->set_rxfh_indir)
841 if (copy_from_user(&table_size,
842 useraddr + offsetof(struct ethtool_rxfh_indir, size),
847 (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index))
849 full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size;
850 indir = kmalloc(full_size, GFP_USER);
854 if (copy_from_user(indir, useraddr, full_size)) {
859 ret = dev->ethtool_ops->set_rxfh_indir(dev, indir);
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.
872 static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs)
874 struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec;
875 struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec;
877 if (fs->flow_type != TCP_V4_FLOW &&
878 fs->flow_type != UDP_V4_FLOW &&
879 fs->flow_type != SCTP_V4_FLOW)
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))
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;
898 static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
899 void __user *useraddr)
901 struct ethtool_rx_ntuple cmd;
902 const struct ethtool_ops *ops = dev->ethtool_ops;
904 if (!ops->set_rx_ntuple)
907 if (!(dev->features & NETIF_F_NTUPLE))
910 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
913 rx_ntuple_fix_masks(&cmd.fs);
915 return ops->set_rx_ntuple(dev, &cmd);
918 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
920 struct ethtool_regs regs;
921 const struct ethtool_ops *ops = dev->ethtool_ops;
925 if (!ops->get_regs || !ops->get_regs_len)
928 if (copy_from_user(®s, useraddr, sizeof(regs)))
931 reglen = ops->get_regs_len(dev);
932 if (regs.len > reglen)
935 regbuf = vzalloc(reglen);
936 if (reglen && !regbuf)
939 ops->get_regs(dev, ®s, regbuf);
942 if (copy_to_user(useraddr, ®s, sizeof(regs)))
944 useraddr += offsetof(struct ethtool_regs, data);
945 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
954 static int ethtool_reset(struct net_device *dev, char __user *useraddr)
956 struct ethtool_value reset;
959 if (!dev->ethtool_ops->reset)
962 if (copy_from_user(&reset, useraddr, sizeof(reset)))
965 ret = dev->ethtool_ops->reset(dev, &reset.data);
969 if (copy_to_user(useraddr, &reset, sizeof(reset)))
974 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
976 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
978 if (!dev->ethtool_ops->get_wol)
981 dev->ethtool_ops->get_wol(dev, &wol);
983 if (copy_to_user(useraddr, &wol, sizeof(wol)))
988 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
990 struct ethtool_wolinfo wol;
992 if (!dev->ethtool_ops->set_wol)
995 if (copy_from_user(&wol, useraddr, sizeof(wol)))
998 return dev->ethtool_ops->set_wol(dev, &wol);
1001 static int ethtool_nway_reset(struct net_device *dev)
1003 if (!dev->ethtool_ops->nway_reset)
1006 return dev->ethtool_ops->nway_reset(dev);
1009 static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
1011 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
1013 if (!dev->ethtool_ops->get_link)
1016 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
1018 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1023 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1025 struct ethtool_eeprom eeprom;
1026 const struct ethtool_ops *ops = dev->ethtool_ops;
1027 void __user *userbuf = useraddr + sizeof(eeprom);
1028 u32 bytes_remaining;
1032 if (!ops->get_eeprom || !ops->get_eeprom_len)
1035 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1038 /* Check for wrap and zero */
1039 if (eeprom.offset + eeprom.len <= eeprom.offset)
1042 /* Check for exceeding total eeprom len */
1043 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1046 data = kmalloc(PAGE_SIZE, GFP_USER);
1050 bytes_remaining = eeprom.len;
1051 while (bytes_remaining > 0) {
1052 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1054 ret = ops->get_eeprom(dev, &eeprom, data);
1057 if (copy_to_user(userbuf, data, eeprom.len)) {
1061 userbuf += eeprom.len;
1062 eeprom.offset += eeprom.len;
1063 bytes_remaining -= eeprom.len;
1066 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1067 eeprom.offset -= eeprom.len;
1068 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1075 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1077 struct ethtool_eeprom eeprom;
1078 const struct ethtool_ops *ops = dev->ethtool_ops;
1079 void __user *userbuf = useraddr + sizeof(eeprom);
1080 u32 bytes_remaining;
1084 if (!ops->set_eeprom || !ops->get_eeprom_len)
1087 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1090 /* Check for wrap and zero */
1091 if (eeprom.offset + eeprom.len <= eeprom.offset)
1094 /* Check for exceeding total eeprom len */
1095 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1098 data = kmalloc(PAGE_SIZE, GFP_USER);
1102 bytes_remaining = eeprom.len;
1103 while (bytes_remaining > 0) {
1104 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1106 if (copy_from_user(data, userbuf, eeprom.len)) {
1110 ret = ops->set_eeprom(dev, &eeprom, data);
1113 userbuf += eeprom.len;
1114 eeprom.offset += eeprom.len;
1115 bytes_remaining -= eeprom.len;
1122 static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1123 void __user *useraddr)
1125 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1127 if (!dev->ethtool_ops->get_coalesce)
1130 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1132 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1137 static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1138 void __user *useraddr)
1140 struct ethtool_coalesce coalesce;
1142 if (!dev->ethtool_ops->set_coalesce)
1145 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1148 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1151 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1153 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1155 if (!dev->ethtool_ops->get_ringparam)
1158 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1160 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1165 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1167 struct ethtool_ringparam ringparam;
1169 if (!dev->ethtool_ops->set_ringparam)
1172 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1175 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1178 static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1179 void __user *useraddr)
1181 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1183 if (!dev->ethtool_ops->get_channels)
1186 dev->ethtool_ops->get_channels(dev, &channels);
1188 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1193 static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1194 void __user *useraddr)
1196 struct ethtool_channels channels;
1198 if (!dev->ethtool_ops->set_channels)
1201 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1204 return dev->ethtool_ops->set_channels(dev, &channels);
1207 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1209 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1211 if (!dev->ethtool_ops->get_pauseparam)
1214 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1216 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1221 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1223 struct ethtool_pauseparam pauseparam;
1225 if (!dev->ethtool_ops->set_pauseparam)
1228 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1231 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1234 static int __ethtool_set_sg(struct net_device *dev, u32 data)
1238 if (!dev->ethtool_ops->set_sg)
1241 if (data && !(dev->features & NETIF_F_ALL_CSUM))
1244 if (!data && dev->ethtool_ops->set_tso) {
1245 err = dev->ethtool_ops->set_tso(dev, 0);
1250 if (!data && dev->ethtool_ops->set_ufo) {
1251 err = dev->ethtool_ops->set_ufo(dev, 0);
1255 return dev->ethtool_ops->set_sg(dev, data);
1258 static int __ethtool_set_tx_csum(struct net_device *dev, u32 data)
1262 if (!dev->ethtool_ops->set_tx_csum)
1265 if (!data && dev->ethtool_ops->set_sg) {
1266 err = __ethtool_set_sg(dev, 0);
1271 return dev->ethtool_ops->set_tx_csum(dev, data);
1274 static int __ethtool_set_rx_csum(struct net_device *dev, u32 data)
1276 if (!dev->ethtool_ops->set_rx_csum)
1280 dev->features &= ~NETIF_F_GRO;
1282 return dev->ethtool_ops->set_rx_csum(dev, data);
1285 static int __ethtool_set_tso(struct net_device *dev, u32 data)
1287 if (!dev->ethtool_ops->set_tso)
1290 if (data && !(dev->features & NETIF_F_SG))
1293 return dev->ethtool_ops->set_tso(dev, data);
1296 static int __ethtool_set_ufo(struct net_device *dev, u32 data)
1298 if (!dev->ethtool_ops->set_ufo)
1300 if (data && !(dev->features & NETIF_F_SG))
1302 if (data && !((dev->features & NETIF_F_GEN_CSUM) ||
1303 (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))
1304 == (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM)))
1306 return dev->ethtool_ops->set_ufo(dev, data);
1309 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1311 struct ethtool_test test;
1312 const struct ethtool_ops *ops = dev->ethtool_ops;
1316 if (!ops->self_test || !ops->get_sset_count)
1319 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1322 WARN_ON(test_len == 0);
1324 if (copy_from_user(&test, useraddr, sizeof(test)))
1327 test.len = test_len;
1328 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1332 ops->self_test(dev, &test, data);
1335 if (copy_to_user(useraddr, &test, sizeof(test)))
1337 useraddr += sizeof(test);
1338 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1347 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1349 struct ethtool_gstrings gstrings;
1353 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1356 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
1362 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
1366 __ethtool_get_strings(dev, gstrings.string_set, data);
1369 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1371 useraddr += sizeof(gstrings);
1372 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1381 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1383 struct ethtool_value id;
1387 if (!dev->ethtool_ops->set_phys_id)
1393 if (copy_from_user(&id, useraddr, sizeof(id)))
1396 rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
1400 /* Drop the RTNL lock while waiting, but prevent reentry or
1401 * removal of the device.
1408 /* Driver will handle this itself */
1409 schedule_timeout_interruptible(
1410 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
1412 /* Driver expects to be called at twice the frequency in rc */
1413 int n = rc * 2, i, interval = HZ / n;
1415 /* Count down seconds */
1417 /* Count down iterations per second */
1421 rc = dev->ethtool_ops->set_phys_id(dev,
1422 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1426 schedule_timeout_interruptible(interval);
1427 } while (!signal_pending(current) && --i != 0);
1428 } while (!signal_pending(current) &&
1429 (id.data == 0 || --id.data != 0));
1436 (void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
1440 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1442 struct ethtool_stats stats;
1443 const struct ethtool_ops *ops = dev->ethtool_ops;
1447 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1450 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1453 WARN_ON(n_stats == 0);
1455 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1458 stats.n_stats = n_stats;
1459 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1463 ops->get_ethtool_stats(dev, &stats, data);
1466 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1468 useraddr += sizeof(stats);
1469 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1478 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1480 struct ethtool_perm_addr epaddr;
1482 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1485 if (epaddr.size < dev->addr_len)
1487 epaddr.size = dev->addr_len;
1489 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1491 useraddr += sizeof(epaddr);
1492 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1497 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1498 u32 cmd, u32 (*actor)(struct net_device *))
1500 struct ethtool_value edata = { .cmd = cmd };
1505 edata.data = actor(dev);
1507 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1512 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1513 void (*actor)(struct net_device *, u32))
1515 struct ethtool_value edata;
1520 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1523 actor(dev, edata.data);
1527 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1528 int (*actor)(struct net_device *, u32))
1530 struct ethtool_value edata;
1535 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1538 return actor(dev, edata.data);
1541 static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1542 char __user *useraddr)
1544 struct ethtool_flash efl;
1546 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1549 if (!dev->ethtool_ops->flash_device)
1552 return dev->ethtool_ops->flash_device(dev, &efl);
1555 static int ethtool_set_dump(struct net_device *dev,
1556 void __user *useraddr)
1558 struct ethtool_dump dump;
1560 if (!dev->ethtool_ops->set_dump)
1563 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1566 return dev->ethtool_ops->set_dump(dev, &dump);
1569 static int ethtool_get_dump_flag(struct net_device *dev,
1570 void __user *useraddr)
1573 struct ethtool_dump dump;
1574 const struct ethtool_ops *ops = dev->ethtool_ops;
1576 if (!dev->ethtool_ops->get_dump_flag)
1579 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1582 ret = ops->get_dump_flag(dev, &dump);
1586 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1591 static int ethtool_get_dump_data(struct net_device *dev,
1592 void __user *useraddr)
1596 struct ethtool_dump dump, tmp;
1597 const struct ethtool_ops *ops = dev->ethtool_ops;
1600 if (!dev->ethtool_ops->get_dump_data ||
1601 !dev->ethtool_ops->get_dump_flag)
1604 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1607 memset(&tmp, 0, sizeof(tmp));
1608 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1609 ret = ops->get_dump_flag(dev, &tmp);
1613 len = (tmp.len > dump.len) ? dump.len : tmp.len;
1617 data = vzalloc(tmp.len);
1620 ret = ops->get_dump_data(dev, &dump, data);
1624 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1628 useraddr += offsetof(struct ethtool_dump, data);
1629 if (copy_to_user(useraddr, data, len))
1636 /* The main entry point in this file. Called from net/core/dev.c */
1638 int dev_ethtool(struct net *net, struct ifreq *ifr)
1640 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1641 void __user *useraddr = ifr->ifr_data;
1646 if (!dev || !netif_device_present(dev))
1649 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
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);
1662 /* Allow some commands to be done by anyone */
1665 case ETHTOOL_GDRVINFO:
1666 case ETHTOOL_GMSGLVL:
1667 case ETHTOOL_GCOALESCE:
1668 case ETHTOOL_GRINGPARAM:
1669 case ETHTOOL_GPAUSEPARAM:
1670 case ETHTOOL_GRXCSUM:
1671 case ETHTOOL_GTXCSUM:
1673 case ETHTOOL_GSTRINGS:
1675 case ETHTOOL_GPERMADDR:
1679 case ETHTOOL_GFLAGS:
1680 case ETHTOOL_GPFLAGS:
1682 case ETHTOOL_GRXRINGS:
1683 case ETHTOOL_GRXCLSRLCNT:
1684 case ETHTOOL_GRXCLSRULE:
1685 case ETHTOOL_GRXCLSRLALL:
1686 case ETHTOOL_GFEATURES:
1689 if (!capable(CAP_NET_ADMIN))
1693 if (dev->ethtool_ops->begin) {
1694 rc = dev->ethtool_ops->begin(dev);
1698 old_features = dev->features;
1702 rc = ethtool_get_settings(dev, useraddr);
1705 rc = ethtool_set_settings(dev, useraddr);
1707 case ETHTOOL_GDRVINFO:
1708 rc = ethtool_get_drvinfo(dev, useraddr);
1711 rc = ethtool_get_regs(dev, useraddr);
1714 rc = ethtool_get_wol(dev, useraddr);
1717 rc = ethtool_set_wol(dev, useraddr);
1719 case ETHTOOL_GMSGLVL:
1720 rc = ethtool_get_value(dev, useraddr, ethcmd,
1721 dev->ethtool_ops->get_msglevel);
1723 case ETHTOOL_SMSGLVL:
1724 rc = ethtool_set_value_void(dev, useraddr,
1725 dev->ethtool_ops->set_msglevel);
1727 case ETHTOOL_NWAY_RST:
1728 rc = ethtool_nway_reset(dev);
1731 rc = ethtool_get_link(dev, useraddr);
1733 case ETHTOOL_GEEPROM:
1734 rc = ethtool_get_eeprom(dev, useraddr);
1736 case ETHTOOL_SEEPROM:
1737 rc = ethtool_set_eeprom(dev, useraddr);
1739 case ETHTOOL_GCOALESCE:
1740 rc = ethtool_get_coalesce(dev, useraddr);
1742 case ETHTOOL_SCOALESCE:
1743 rc = ethtool_set_coalesce(dev, useraddr);
1745 case ETHTOOL_GRINGPARAM:
1746 rc = ethtool_get_ringparam(dev, useraddr);
1748 case ETHTOOL_SRINGPARAM:
1749 rc = ethtool_set_ringparam(dev, useraddr);
1751 case ETHTOOL_GPAUSEPARAM:
1752 rc = ethtool_get_pauseparam(dev, useraddr);
1754 case ETHTOOL_SPAUSEPARAM:
1755 rc = ethtool_set_pauseparam(dev, useraddr);
1758 rc = ethtool_self_test(dev, useraddr);
1760 case ETHTOOL_GSTRINGS:
1761 rc = ethtool_get_strings(dev, useraddr);
1763 case ETHTOOL_PHYS_ID:
1764 rc = ethtool_phys_id(dev, useraddr);
1766 case ETHTOOL_GSTATS:
1767 rc = ethtool_get_stats(dev, useraddr);
1769 case ETHTOOL_GPERMADDR:
1770 rc = ethtool_get_perm_addr(dev, useraddr);
1772 case ETHTOOL_GFLAGS:
1773 rc = ethtool_get_value(dev, useraddr, ethcmd,
1774 (dev->ethtool_ops->get_flags ?
1775 dev->ethtool_ops->get_flags :
1776 ethtool_op_get_flags));
1778 case ETHTOOL_SFLAGS:
1779 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
1781 case ETHTOOL_GPFLAGS:
1782 rc = ethtool_get_value(dev, useraddr, ethcmd,
1783 dev->ethtool_ops->get_priv_flags);
1785 case ETHTOOL_SPFLAGS:
1786 rc = ethtool_set_value(dev, useraddr,
1787 dev->ethtool_ops->set_priv_flags);
1790 case ETHTOOL_GRXRINGS:
1791 case ETHTOOL_GRXCLSRLCNT:
1792 case ETHTOOL_GRXCLSRULE:
1793 case ETHTOOL_GRXCLSRLALL:
1794 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
1797 case ETHTOOL_SRXCLSRLDEL:
1798 case ETHTOOL_SRXCLSRLINS:
1799 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
1801 case ETHTOOL_FLASHDEV:
1802 rc = ethtool_flash_device(dev, useraddr);
1805 rc = ethtool_reset(dev, useraddr);
1807 case ETHTOOL_SRXNTUPLE:
1808 rc = ethtool_set_rx_ntuple(dev, useraddr);
1810 case ETHTOOL_GSSET_INFO:
1811 rc = ethtool_get_sset_info(dev, useraddr);
1813 case ETHTOOL_GRXFHINDIR:
1814 rc = ethtool_get_rxfh_indir(dev, useraddr);
1816 case ETHTOOL_SRXFHINDIR:
1817 rc = ethtool_set_rxfh_indir(dev, useraddr);
1819 case ETHTOOL_GFEATURES:
1820 rc = ethtool_get_features(dev, useraddr);
1822 case ETHTOOL_SFEATURES:
1823 rc = ethtool_set_features(dev, useraddr);
1825 case ETHTOOL_GTXCSUM:
1826 case ETHTOOL_GRXCSUM:
1832 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1834 case ETHTOOL_STXCSUM:
1835 case ETHTOOL_SRXCSUM:
1841 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1843 case ETHTOOL_GCHANNELS:
1844 rc = ethtool_get_channels(dev, useraddr);
1846 case ETHTOOL_SCHANNELS:
1847 rc = ethtool_set_channels(dev, useraddr);
1849 case ETHTOOL_SET_DUMP:
1850 rc = ethtool_set_dump(dev, useraddr);
1852 case ETHTOOL_GET_DUMP_FLAG:
1853 rc = ethtool_get_dump_flag(dev, useraddr);
1855 case ETHTOOL_GET_DUMP_DATA:
1856 rc = ethtool_get_dump_data(dev, useraddr);
1862 if (dev->ethtool_ops->complete)
1863 dev->ethtool_ops->complete(dev);
1865 if (old_features != dev->features)
1866 netdev_features_change(dev);