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/net_tstamp.h>
21 #include <linux/phy.h>
22 #include <linux/bitops.h>
23 #include <linux/uaccess.h>
24 #include <linux/vmalloc.h>
25 #include <linux/slab.h>
26 #include <linux/rtnetlink.h>
27 #include <linux/sched.h>
28 #include <linux/net.h>
31 * Some useful ethtool_ops methods that're device independent.
32 * If we find that all drivers want to do the same thing here,
33 * we can turn these into dev_() function calls.
36 u32 ethtool_op_get_link(struct net_device *dev)
38 return netif_carrier_ok(dev) ? 1 : 0;
40 EXPORT_SYMBOL(ethtool_op_get_link);
42 int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
44 info->so_timestamping =
45 SOF_TIMESTAMPING_TX_SOFTWARE |
46 SOF_TIMESTAMPING_RX_SOFTWARE |
47 SOF_TIMESTAMPING_SOFTWARE;
51 EXPORT_SYMBOL(ethtool_op_get_ts_info);
53 /* Handlers for each ethtool command */
55 #define ETHTOOL_DEV_FEATURE_WORDS ((NETDEV_FEATURE_COUNT + 31) / 32)
57 static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
58 [NETIF_F_SG_BIT] = "tx-scatter-gather",
59 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
60 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
61 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
62 [NETIF_F_HIGHDMA_BIT] = "highdma",
63 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
64 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
66 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
67 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
68 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
69 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
70 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
71 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
72 [NETIF_F_GSO_BIT] = "tx-generic-segmentation",
73 [NETIF_F_LLTX_BIT] = "tx-lockless",
74 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
75 [NETIF_F_GRO_BIT] = "rx-gro",
76 [NETIF_F_LRO_BIT] = "rx-lro",
78 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
79 [NETIF_F_UFO_BIT] = "tx-udp-fragmentation",
80 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
81 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
82 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
83 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
84 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
85 [NETIF_F_GSO_IPIP_BIT] = "tx-ipip-segmentation",
86 [NETIF_F_GSO_SIT_BIT] = "tx-sit-segmentation",
87 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
89 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
90 [NETIF_F_SCTP_CSUM_BIT] = "tx-checksum-sctp",
91 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
92 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
93 [NETIF_F_RXHASH_BIT] = "rx-hashing",
94 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
95 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
96 [NETIF_F_LOOPBACK_BIT] = "loopback",
97 [NETIF_F_RXFCS_BIT] = "rx-fcs",
98 [NETIF_F_RXALL_BIT] = "rx-all",
99 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
100 [NETIF_F_BUSY_POLL_BIT] = "busy-poll",
104 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
105 [ETH_RSS_HASH_TOP_BIT] = "toeplitz",
106 [ETH_RSS_HASH_XOR_BIT] = "xor",
109 static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
111 struct ethtool_gfeatures cmd = {
112 .cmd = ETHTOOL_GFEATURES,
113 .size = ETHTOOL_DEV_FEATURE_WORDS,
115 struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
116 u32 __user *sizeaddr;
120 /* in case feature bits run out again */
121 BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t));
123 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
124 features[i].available = (u32)(dev->hw_features >> (32 * i));
125 features[i].requested = (u32)(dev->wanted_features >> (32 * i));
126 features[i].active = (u32)(dev->features >> (32 * i));
127 features[i].never_changed =
128 (u32)(NETIF_F_NEVER_CHANGE >> (32 * i));
131 sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
132 if (get_user(copy_size, sizeaddr))
135 if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
136 copy_size = ETHTOOL_DEV_FEATURE_WORDS;
138 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
140 useraddr += sizeof(cmd);
141 if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
147 static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
149 struct ethtool_sfeatures cmd;
150 struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
151 netdev_features_t wanted = 0, valid = 0;
154 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
156 useraddr += sizeof(cmd);
158 if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
161 if (copy_from_user(features, useraddr, sizeof(features)))
164 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
165 valid |= (netdev_features_t)features[i].valid << (32 * i);
166 wanted |= (netdev_features_t)features[i].requested << (32 * i);
169 if (valid & ~NETIF_F_ETHTOOL_BITS)
172 if (valid & ~dev->hw_features) {
173 valid &= dev->hw_features;
174 ret |= ETHTOOL_F_UNSUPPORTED;
177 dev->wanted_features &= ~valid;
178 dev->wanted_features |= wanted & valid;
179 __netdev_update_features(dev);
181 if ((dev->wanted_features ^ dev->features) & valid)
182 ret |= ETHTOOL_F_WISH;
187 static int __ethtool_get_sset_count(struct net_device *dev, int sset)
189 const struct ethtool_ops *ops = dev->ethtool_ops;
191 if (sset == ETH_SS_FEATURES)
192 return ARRAY_SIZE(netdev_features_strings);
194 if (sset == ETH_SS_RSS_HASH_FUNCS)
195 return ARRAY_SIZE(rss_hash_func_strings);
197 if (ops->get_sset_count && ops->get_strings)
198 return ops->get_sset_count(dev, sset);
203 static void __ethtool_get_strings(struct net_device *dev,
204 u32 stringset, u8 *data)
206 const struct ethtool_ops *ops = dev->ethtool_ops;
208 if (stringset == ETH_SS_FEATURES)
209 memcpy(data, netdev_features_strings,
210 sizeof(netdev_features_strings));
211 else if (stringset == ETH_SS_RSS_HASH_FUNCS)
212 memcpy(data, rss_hash_func_strings,
213 sizeof(rss_hash_func_strings));
215 /* ops->get_strings is valid because checked earlier */
216 ops->get_strings(dev, stringset, data);
219 static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd)
221 /* feature masks of legacy discrete ethtool ops */
224 case ETHTOOL_GTXCSUM:
225 case ETHTOOL_STXCSUM:
226 return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
227 case ETHTOOL_GRXCSUM:
228 case ETHTOOL_SRXCSUM:
229 return NETIF_F_RXCSUM;
235 return NETIF_F_ALL_TSO;
250 static int ethtool_get_one_feature(struct net_device *dev,
251 char __user *useraddr, u32 ethcmd)
253 netdev_features_t mask = ethtool_get_feature_mask(ethcmd);
254 struct ethtool_value edata = {
256 .data = !!(dev->features & mask),
259 if (copy_to_user(useraddr, &edata, sizeof(edata)))
264 static int ethtool_set_one_feature(struct net_device *dev,
265 void __user *useraddr, u32 ethcmd)
267 struct ethtool_value edata;
268 netdev_features_t mask;
270 if (copy_from_user(&edata, useraddr, sizeof(edata)))
273 mask = ethtool_get_feature_mask(ethcmd);
274 mask &= dev->hw_features;
279 dev->wanted_features |= mask;
281 dev->wanted_features &= ~mask;
283 __netdev_update_features(dev);
288 #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
289 ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
290 #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \
291 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \
294 static u32 __ethtool_get_flags(struct net_device *dev)
298 if (dev->features & NETIF_F_LRO)
299 flags |= ETH_FLAG_LRO;
300 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
301 flags |= ETH_FLAG_RXVLAN;
302 if (dev->features & NETIF_F_HW_VLAN_CTAG_TX)
303 flags |= ETH_FLAG_TXVLAN;
304 if (dev->features & NETIF_F_NTUPLE)
305 flags |= ETH_FLAG_NTUPLE;
306 if (dev->features & NETIF_F_RXHASH)
307 flags |= ETH_FLAG_RXHASH;
312 static int __ethtool_set_flags(struct net_device *dev, u32 data)
314 netdev_features_t features = 0, changed;
316 if (data & ~ETH_ALL_FLAGS)
319 if (data & ETH_FLAG_LRO)
320 features |= NETIF_F_LRO;
321 if (data & ETH_FLAG_RXVLAN)
322 features |= NETIF_F_HW_VLAN_CTAG_RX;
323 if (data & ETH_FLAG_TXVLAN)
324 features |= NETIF_F_HW_VLAN_CTAG_TX;
325 if (data & ETH_FLAG_NTUPLE)
326 features |= NETIF_F_NTUPLE;
327 if (data & ETH_FLAG_RXHASH)
328 features |= NETIF_F_RXHASH;
330 /* allow changing only bits set in hw_features */
331 changed = (features ^ dev->features) & ETH_ALL_FEATURES;
332 if (changed & ~dev->hw_features)
333 return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
335 dev->wanted_features =
336 (dev->wanted_features & ~changed) | (features & changed);
338 __netdev_update_features(dev);
343 int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
347 if (!dev->ethtool_ops->get_settings)
350 memset(cmd, 0, sizeof(struct ethtool_cmd));
351 cmd->cmd = ETHTOOL_GSET;
352 return dev->ethtool_ops->get_settings(dev, cmd);
354 EXPORT_SYMBOL(__ethtool_get_settings);
356 static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
359 struct ethtool_cmd cmd;
361 err = __ethtool_get_settings(dev, &cmd);
365 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
370 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
372 struct ethtool_cmd cmd;
374 if (!dev->ethtool_ops->set_settings)
377 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
380 return dev->ethtool_ops->set_settings(dev, &cmd);
383 static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
384 void __user *useraddr)
386 struct ethtool_drvinfo info;
387 const struct ethtool_ops *ops = dev->ethtool_ops;
389 memset(&info, 0, sizeof(info));
390 info.cmd = ETHTOOL_GDRVINFO;
391 if (ops->get_drvinfo) {
392 ops->get_drvinfo(dev, &info);
393 } else if (dev->dev.parent && dev->dev.parent->driver) {
394 strlcpy(info.bus_info, dev_name(dev->dev.parent),
395 sizeof(info.bus_info));
396 strlcpy(info.driver, dev->dev.parent->driver->name,
397 sizeof(info.driver));
403 * this method of obtaining string set info is deprecated;
404 * Use ETHTOOL_GSSET_INFO instead.
406 if (ops->get_sset_count) {
409 rc = ops->get_sset_count(dev, ETH_SS_TEST);
411 info.testinfo_len = rc;
412 rc = ops->get_sset_count(dev, ETH_SS_STATS);
415 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
417 info.n_priv_flags = rc;
419 if (ops->get_regs_len)
420 info.regdump_len = ops->get_regs_len(dev);
421 if (ops->get_eeprom_len)
422 info.eedump_len = ops->get_eeprom_len(dev);
424 if (copy_to_user(useraddr, &info, sizeof(info)))
429 static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
430 void __user *useraddr)
432 struct ethtool_sset_info info;
434 int i, idx = 0, n_bits = 0, ret, rc;
435 u32 *info_buf = NULL;
437 if (copy_from_user(&info, useraddr, sizeof(info)))
440 /* store copy of mask, because we zero struct later on */
441 sset_mask = info.sset_mask;
445 /* calculate size of return buffer */
446 n_bits = hweight64(sset_mask);
448 memset(&info, 0, sizeof(info));
449 info.cmd = ETHTOOL_GSSET_INFO;
451 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
456 * fill return buffer based on input bitmask and successful
457 * get_sset_count return
459 for (i = 0; i < 64; i++) {
460 if (!(sset_mask & (1ULL << i)))
463 rc = __ethtool_get_sset_count(dev, i);
465 info.sset_mask |= (1ULL << i);
466 info_buf[idx++] = rc;
471 if (copy_to_user(useraddr, &info, sizeof(info)))
474 useraddr += offsetof(struct ethtool_sset_info, data);
475 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
485 static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
486 u32 cmd, void __user *useraddr)
488 struct ethtool_rxnfc info;
489 size_t info_size = sizeof(info);
492 if (!dev->ethtool_ops->set_rxnfc)
495 /* struct ethtool_rxnfc was originally defined for
496 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
497 * members. User-space might still be using that
499 if (cmd == ETHTOOL_SRXFH)
500 info_size = (offsetof(struct ethtool_rxnfc, data) +
503 if (copy_from_user(&info, useraddr, info_size))
506 rc = dev->ethtool_ops->set_rxnfc(dev, &info);
510 if (cmd == ETHTOOL_SRXCLSRLINS &&
511 copy_to_user(useraddr, &info, info_size))
517 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
518 u32 cmd, void __user *useraddr)
520 struct ethtool_rxnfc info;
521 size_t info_size = sizeof(info);
522 const struct ethtool_ops *ops = dev->ethtool_ops;
524 void *rule_buf = NULL;
529 /* struct ethtool_rxnfc was originally defined for
530 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
531 * members. User-space might still be using that
533 if (cmd == ETHTOOL_GRXFH)
534 info_size = (offsetof(struct ethtool_rxnfc, data) +
537 if (copy_from_user(&info, useraddr, info_size))
540 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
541 if (info.rule_cnt > 0) {
542 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
543 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
550 ret = ops->get_rxnfc(dev, &info, rule_buf);
555 if (copy_to_user(useraddr, &info, info_size))
559 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
560 if (copy_to_user(useraddr, rule_buf,
561 info.rule_cnt * sizeof(u32)))
572 static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
573 struct ethtool_rxnfc *rx_rings,
578 if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
581 /* Validate ring indices */
582 for (i = 0; i < size; i++)
583 if (indir[i] >= rx_rings->data)
589 u8 netdev_rss_key[NETDEV_RSS_KEY_LEN];
591 void netdev_rss_key_fill(void *buffer, size_t len)
593 BUG_ON(len > sizeof(netdev_rss_key));
594 net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key));
595 memcpy(buffer, netdev_rss_key, len);
597 EXPORT_SYMBOL(netdev_rss_key_fill);
599 static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
600 void __user *useraddr)
602 u32 user_size, dev_size;
606 if (!dev->ethtool_ops->get_rxfh_indir_size ||
607 !dev->ethtool_ops->get_rxfh)
609 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
613 if (copy_from_user(&user_size,
614 useraddr + offsetof(struct ethtool_rxfh_indir, size),
618 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
619 &dev_size, sizeof(dev_size)))
622 /* If the user buffer size is 0, this is just a query for the
623 * device table size. Otherwise, if it's smaller than the
624 * device table size it's an error.
626 if (user_size < dev_size)
627 return user_size == 0 ? 0 : -EINVAL;
629 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
633 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
637 if (copy_to_user(useraddr +
638 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
639 indir, dev_size * sizeof(indir[0])))
647 static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
648 void __user *useraddr)
650 struct ethtool_rxnfc rx_rings;
651 u32 user_size, dev_size, i;
653 const struct ethtool_ops *ops = dev->ethtool_ops;
655 u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
657 if (!ops->get_rxfh_indir_size || !ops->set_rxfh ||
661 dev_size = ops->get_rxfh_indir_size(dev);
665 if (copy_from_user(&user_size,
666 useraddr + offsetof(struct ethtool_rxfh_indir, size),
670 if (user_size != 0 && user_size != dev_size)
673 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
677 rx_rings.cmd = ETHTOOL_GRXRINGS;
678 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
682 if (user_size == 0) {
683 for (i = 0; i < dev_size; i++)
684 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
686 ret = ethtool_copy_validate_indir(indir,
687 useraddr + ringidx_offset,
694 ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE);
701 static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
702 void __user *useraddr)
705 const struct ethtool_ops *ops = dev->ethtool_ops;
706 u32 user_indir_size, user_key_size;
707 u32 dev_indir_size = 0, dev_key_size = 0;
708 struct ethtool_rxfh rxfh;
719 if (ops->get_rxfh_indir_size)
720 dev_indir_size = ops->get_rxfh_indir_size(dev);
721 if (ops->get_rxfh_key_size)
722 dev_key_size = ops->get_rxfh_key_size(dev);
724 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
726 user_indir_size = rxfh.indir_size;
727 user_key_size = rxfh.key_size;
729 /* Check that reserved fields are 0 for now */
730 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
731 rxfh.rsvd8[2] || rxfh.rsvd32)
734 rxfh.indir_size = dev_indir_size;
735 rxfh.key_size = dev_key_size;
736 if (copy_to_user(useraddr, &rxfh, sizeof(rxfh)))
739 if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
740 (user_key_size && (user_key_size != dev_key_size)))
743 indir_bytes = user_indir_size * sizeof(indir[0]);
744 total_size = indir_bytes + user_key_size;
745 rss_config = kzalloc(total_size, GFP_USER);
750 indir = (u32 *)rss_config;
753 hkey = rss_config + indir_bytes;
755 ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc);
759 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc),
760 &dev_hfunc, sizeof(rxfh.hfunc))) {
762 } else if (copy_to_user(useraddr +
763 offsetof(struct ethtool_rxfh, rss_config[0]),
764 rss_config, total_size)) {
773 static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
774 void __user *useraddr)
777 const struct ethtool_ops *ops = dev->ethtool_ops;
778 struct ethtool_rxnfc rx_rings;
779 struct ethtool_rxfh rxfh;
780 u32 dev_indir_size = 0, dev_key_size = 0, i;
781 u32 *indir = NULL, indir_bytes = 0;
784 u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
786 if (!ops->get_rxnfc || !ops->set_rxfh)
789 if (ops->get_rxfh_indir_size)
790 dev_indir_size = ops->get_rxfh_indir_size(dev);
791 if (ops->get_rxfh_key_size)
792 dev_key_size = dev->ethtool_ops->get_rxfh_key_size(dev);
794 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
797 /* Check that reserved fields are 0 for now */
798 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
799 rxfh.rsvd8[2] || rxfh.rsvd32)
802 /* If either indir, hash key or function is valid, proceed further.
803 * Must request at least one change: indir size, hash key or function.
805 if ((rxfh.indir_size &&
806 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
807 rxfh.indir_size != dev_indir_size) ||
808 (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
809 (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
810 rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE))
813 if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
814 indir_bytes = dev_indir_size * sizeof(indir[0]);
816 rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER);
820 rx_rings.cmd = ETHTOOL_GRXRINGS;
821 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
825 /* rxfh.indir_size == 0 means reset the indir table to default.
826 * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged.
828 if (rxfh.indir_size &&
829 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) {
830 indir = (u32 *)rss_config;
831 ret = ethtool_copy_validate_indir(indir,
832 useraddr + rss_cfg_offset,
837 } else if (rxfh.indir_size == 0) {
838 indir = (u32 *)rss_config;
839 for (i = 0; i < dev_indir_size; i++)
840 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
844 hkey = rss_config + indir_bytes;
845 if (copy_from_user(hkey,
846 useraddr + rss_cfg_offset + indir_bytes,
853 ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc);
860 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
862 struct ethtool_regs regs;
863 const struct ethtool_ops *ops = dev->ethtool_ops;
867 if (!ops->get_regs || !ops->get_regs_len)
870 if (copy_from_user(®s, useraddr, sizeof(regs)))
873 reglen = ops->get_regs_len(dev);
874 if (regs.len > reglen)
877 regbuf = vzalloc(reglen);
878 if (reglen && !regbuf)
881 ops->get_regs(dev, ®s, regbuf);
884 if (copy_to_user(useraddr, ®s, sizeof(regs)))
886 useraddr += offsetof(struct ethtool_regs, data);
887 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
896 static int ethtool_reset(struct net_device *dev, char __user *useraddr)
898 struct ethtool_value reset;
901 if (!dev->ethtool_ops->reset)
904 if (copy_from_user(&reset, useraddr, sizeof(reset)))
907 ret = dev->ethtool_ops->reset(dev, &reset.data);
911 if (copy_to_user(useraddr, &reset, sizeof(reset)))
916 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
918 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
920 if (!dev->ethtool_ops->get_wol)
923 dev->ethtool_ops->get_wol(dev, &wol);
925 if (copy_to_user(useraddr, &wol, sizeof(wol)))
930 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
932 struct ethtool_wolinfo wol;
934 if (!dev->ethtool_ops->set_wol)
937 if (copy_from_user(&wol, useraddr, sizeof(wol)))
940 return dev->ethtool_ops->set_wol(dev, &wol);
943 static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
945 struct ethtool_eee edata;
948 if (!dev->ethtool_ops->get_eee)
951 memset(&edata, 0, sizeof(struct ethtool_eee));
952 edata.cmd = ETHTOOL_GEEE;
953 rc = dev->ethtool_ops->get_eee(dev, &edata);
958 if (copy_to_user(useraddr, &edata, sizeof(edata)))
964 static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
966 struct ethtool_eee edata;
968 if (!dev->ethtool_ops->set_eee)
971 if (copy_from_user(&edata, useraddr, sizeof(edata)))
974 return dev->ethtool_ops->set_eee(dev, &edata);
977 static int ethtool_nway_reset(struct net_device *dev)
979 if (!dev->ethtool_ops->nway_reset)
982 return dev->ethtool_ops->nway_reset(dev);
985 static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
987 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
989 if (!dev->ethtool_ops->get_link)
992 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
994 if (copy_to_user(useraddr, &edata, sizeof(edata)))
999 static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
1000 int (*getter)(struct net_device *,
1001 struct ethtool_eeprom *, u8 *),
1004 struct ethtool_eeprom eeprom;
1005 void __user *userbuf = useraddr + sizeof(eeprom);
1006 u32 bytes_remaining;
1010 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1013 /* Check for wrap and zero */
1014 if (eeprom.offset + eeprom.len <= eeprom.offset)
1017 /* Check for exceeding total eeprom len */
1018 if (eeprom.offset + eeprom.len > total_len)
1021 data = kmalloc(PAGE_SIZE, GFP_USER);
1025 bytes_remaining = eeprom.len;
1026 while (bytes_remaining > 0) {
1027 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1029 ret = getter(dev, &eeprom, data);
1032 if (copy_to_user(userbuf, data, eeprom.len)) {
1036 userbuf += eeprom.len;
1037 eeprom.offset += eeprom.len;
1038 bytes_remaining -= eeprom.len;
1041 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1042 eeprom.offset -= eeprom.len;
1043 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1050 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1052 const struct ethtool_ops *ops = dev->ethtool_ops;
1054 if (!ops->get_eeprom || !ops->get_eeprom_len ||
1055 !ops->get_eeprom_len(dev))
1058 return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom,
1059 ops->get_eeprom_len(dev));
1062 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1064 struct ethtool_eeprom eeprom;
1065 const struct ethtool_ops *ops = dev->ethtool_ops;
1066 void __user *userbuf = useraddr + sizeof(eeprom);
1067 u32 bytes_remaining;
1071 if (!ops->set_eeprom || !ops->get_eeprom_len ||
1072 !ops->get_eeprom_len(dev))
1075 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1078 /* Check for wrap and zero */
1079 if (eeprom.offset + eeprom.len <= eeprom.offset)
1082 /* Check for exceeding total eeprom len */
1083 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1086 data = kmalloc(PAGE_SIZE, GFP_USER);
1090 bytes_remaining = eeprom.len;
1091 while (bytes_remaining > 0) {
1092 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1094 if (copy_from_user(data, userbuf, eeprom.len)) {
1098 ret = ops->set_eeprom(dev, &eeprom, data);
1101 userbuf += eeprom.len;
1102 eeprom.offset += eeprom.len;
1103 bytes_remaining -= eeprom.len;
1110 static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1111 void __user *useraddr)
1113 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1115 if (!dev->ethtool_ops->get_coalesce)
1118 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1120 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1125 static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1126 void __user *useraddr)
1128 struct ethtool_coalesce coalesce;
1130 if (!dev->ethtool_ops->set_coalesce)
1133 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1136 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1139 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1141 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1143 if (!dev->ethtool_ops->get_ringparam)
1146 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1148 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1153 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1155 struct ethtool_ringparam ringparam;
1157 if (!dev->ethtool_ops->set_ringparam)
1160 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1163 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1166 static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1167 void __user *useraddr)
1169 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1171 if (!dev->ethtool_ops->get_channels)
1174 dev->ethtool_ops->get_channels(dev, &channels);
1176 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1181 static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1182 void __user *useraddr)
1184 struct ethtool_channels channels;
1186 if (!dev->ethtool_ops->set_channels)
1189 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1192 return dev->ethtool_ops->set_channels(dev, &channels);
1195 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1197 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1199 if (!dev->ethtool_ops->get_pauseparam)
1202 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1204 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1209 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1211 struct ethtool_pauseparam pauseparam;
1213 if (!dev->ethtool_ops->set_pauseparam)
1216 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1219 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1222 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1224 struct ethtool_test test;
1225 const struct ethtool_ops *ops = dev->ethtool_ops;
1229 if (!ops->self_test || !ops->get_sset_count)
1232 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1235 WARN_ON(test_len == 0);
1237 if (copy_from_user(&test, useraddr, sizeof(test)))
1240 test.len = test_len;
1241 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1245 ops->self_test(dev, &test, data);
1248 if (copy_to_user(useraddr, &test, sizeof(test)))
1250 useraddr += sizeof(test);
1251 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1260 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1262 struct ethtool_gstrings gstrings;
1266 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1269 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
1275 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
1279 __ethtool_get_strings(dev, gstrings.string_set, data);
1282 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1284 useraddr += sizeof(gstrings);
1285 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1294 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1296 struct ethtool_value id;
1298 const struct ethtool_ops *ops = dev->ethtool_ops;
1301 if (!ops->set_phys_id)
1307 if (copy_from_user(&id, useraddr, sizeof(id)))
1310 rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
1314 /* Drop the RTNL lock while waiting, but prevent reentry or
1315 * removal of the device.
1322 /* Driver will handle this itself */
1323 schedule_timeout_interruptible(
1324 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
1326 /* Driver expects to be called at twice the frequency in rc */
1327 int n = rc * 2, i, interval = HZ / n;
1329 /* Count down seconds */
1331 /* Count down iterations per second */
1335 rc = ops->set_phys_id(dev,
1336 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1340 schedule_timeout_interruptible(interval);
1341 } while (!signal_pending(current) && --i != 0);
1342 } while (!signal_pending(current) &&
1343 (id.data == 0 || --id.data != 0));
1350 (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
1354 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1356 struct ethtool_stats stats;
1357 const struct ethtool_ops *ops = dev->ethtool_ops;
1361 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1364 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1367 WARN_ON(n_stats == 0);
1369 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1372 stats.n_stats = n_stats;
1373 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1377 ops->get_ethtool_stats(dev, &stats, data);
1380 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1382 useraddr += sizeof(stats);
1383 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1392 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1394 struct ethtool_perm_addr epaddr;
1396 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1399 if (epaddr.size < dev->addr_len)
1401 epaddr.size = dev->addr_len;
1403 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1405 useraddr += sizeof(epaddr);
1406 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1411 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1412 u32 cmd, u32 (*actor)(struct net_device *))
1414 struct ethtool_value edata = { .cmd = cmd };
1419 edata.data = actor(dev);
1421 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1426 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1427 void (*actor)(struct net_device *, u32))
1429 struct ethtool_value edata;
1434 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1437 actor(dev, edata.data);
1441 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1442 int (*actor)(struct net_device *, u32))
1444 struct ethtool_value edata;
1449 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1452 return actor(dev, edata.data);
1455 static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1456 char __user *useraddr)
1458 struct ethtool_flash efl;
1460 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1463 if (!dev->ethtool_ops->flash_device)
1466 efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
1468 return dev->ethtool_ops->flash_device(dev, &efl);
1471 static int ethtool_set_dump(struct net_device *dev,
1472 void __user *useraddr)
1474 struct ethtool_dump dump;
1476 if (!dev->ethtool_ops->set_dump)
1479 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1482 return dev->ethtool_ops->set_dump(dev, &dump);
1485 static int ethtool_get_dump_flag(struct net_device *dev,
1486 void __user *useraddr)
1489 struct ethtool_dump dump;
1490 const struct ethtool_ops *ops = dev->ethtool_ops;
1492 if (!ops->get_dump_flag)
1495 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1498 ret = ops->get_dump_flag(dev, &dump);
1502 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1507 static int ethtool_get_dump_data(struct net_device *dev,
1508 void __user *useraddr)
1512 struct ethtool_dump dump, tmp;
1513 const struct ethtool_ops *ops = dev->ethtool_ops;
1516 if (!ops->get_dump_data || !ops->get_dump_flag)
1519 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1522 memset(&tmp, 0, sizeof(tmp));
1523 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1524 ret = ops->get_dump_flag(dev, &tmp);
1528 len = min(tmp.len, dump.len);
1532 /* Don't ever let the driver think there's more space available
1533 * than it requested with .get_dump_flag().
1537 /* Always allocate enough space to hold the whole thing so that the
1538 * driver does not need to check the length and bother with partial
1541 data = vzalloc(tmp.len);
1544 ret = ops->get_dump_data(dev, &dump, data);
1548 /* There are two sane possibilities:
1549 * 1. The driver's .get_dump_data() does not touch dump.len.
1550 * 2. Or it may set dump.len to how much it really writes, which
1551 * should be tmp.len (or len if it can do a partial dump).
1552 * In any case respond to userspace with the actual length of data
1555 WARN_ON(dump.len != len && dump.len != tmp.len);
1558 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1562 useraddr += offsetof(struct ethtool_dump, data);
1563 if (copy_to_user(useraddr, data, len))
1570 static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
1573 struct ethtool_ts_info info;
1574 const struct ethtool_ops *ops = dev->ethtool_ops;
1575 struct phy_device *phydev = dev->phydev;
1577 memset(&info, 0, sizeof(info));
1578 info.cmd = ETHTOOL_GET_TS_INFO;
1580 if (phydev && phydev->drv && phydev->drv->ts_info) {
1581 err = phydev->drv->ts_info(phydev, &info);
1582 } else if (ops->get_ts_info) {
1583 err = ops->get_ts_info(dev, &info);
1585 info.so_timestamping =
1586 SOF_TIMESTAMPING_RX_SOFTWARE |
1587 SOF_TIMESTAMPING_SOFTWARE;
1588 info.phc_index = -1;
1594 if (copy_to_user(useraddr, &info, sizeof(info)))
1600 static int ethtool_get_module_info(struct net_device *dev,
1601 void __user *useraddr)
1604 struct ethtool_modinfo modinfo;
1605 const struct ethtool_ops *ops = dev->ethtool_ops;
1607 if (!ops->get_module_info)
1610 if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
1613 ret = ops->get_module_info(dev, &modinfo);
1617 if (copy_to_user(useraddr, &modinfo, sizeof(modinfo)))
1623 static int ethtool_get_module_eeprom(struct net_device *dev,
1624 void __user *useraddr)
1627 struct ethtool_modinfo modinfo;
1628 const struct ethtool_ops *ops = dev->ethtool_ops;
1630 if (!ops->get_module_info || !ops->get_module_eeprom)
1633 ret = ops->get_module_info(dev, &modinfo);
1637 return ethtool_get_any_eeprom(dev, useraddr, ops->get_module_eeprom,
1638 modinfo.eeprom_len);
1641 static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
1644 case ETHTOOL_RX_COPYBREAK:
1645 case ETHTOOL_TX_COPYBREAK:
1646 if (tuna->len != sizeof(u32) ||
1647 tuna->type_id != ETHTOOL_TUNABLE_U32)
1657 static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr)
1660 struct ethtool_tunable tuna;
1661 const struct ethtool_ops *ops = dev->ethtool_ops;
1664 if (!ops->get_tunable)
1666 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1668 ret = ethtool_tunable_valid(&tuna);
1671 data = kmalloc(tuna.len, GFP_USER);
1674 ret = ops->get_tunable(dev, &tuna, data);
1677 useraddr += sizeof(tuna);
1679 if (copy_to_user(useraddr, data, tuna.len))
1688 static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr)
1691 struct ethtool_tunable tuna;
1692 const struct ethtool_ops *ops = dev->ethtool_ops;
1695 if (!ops->set_tunable)
1697 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1699 ret = ethtool_tunable_valid(&tuna);
1702 data = kmalloc(tuna.len, GFP_USER);
1705 useraddr += sizeof(tuna);
1707 if (copy_from_user(data, useraddr, tuna.len))
1709 ret = ops->set_tunable(dev, &tuna, data);
1716 /* The main entry point in this file. Called from net/core/dev_ioctl.c */
1718 int dev_ethtool(struct net *net, struct ifreq *ifr)
1720 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1721 void __user *useraddr = ifr->ifr_data;
1724 netdev_features_t old_features;
1726 if (!dev || !netif_device_present(dev))
1729 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
1732 /* Allow some commands to be done by anyone */
1735 case ETHTOOL_GDRVINFO:
1736 case ETHTOOL_GMSGLVL:
1738 case ETHTOOL_GCOALESCE:
1739 case ETHTOOL_GRINGPARAM:
1740 case ETHTOOL_GPAUSEPARAM:
1741 case ETHTOOL_GRXCSUM:
1742 case ETHTOOL_GTXCSUM:
1744 case ETHTOOL_GSSET_INFO:
1745 case ETHTOOL_GSTRINGS:
1746 case ETHTOOL_GSTATS:
1748 case ETHTOOL_GPERMADDR:
1752 case ETHTOOL_GFLAGS:
1753 case ETHTOOL_GPFLAGS:
1755 case ETHTOOL_GRXRINGS:
1756 case ETHTOOL_GRXCLSRLCNT:
1757 case ETHTOOL_GRXCLSRULE:
1758 case ETHTOOL_GRXCLSRLALL:
1759 case ETHTOOL_GRXFHINDIR:
1761 case ETHTOOL_GFEATURES:
1762 case ETHTOOL_GCHANNELS:
1763 case ETHTOOL_GET_TS_INFO:
1765 case ETHTOOL_GTUNABLE:
1768 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
1772 if (dev->ethtool_ops->begin) {
1773 rc = dev->ethtool_ops->begin(dev);
1777 old_features = dev->features;
1781 rc = ethtool_get_settings(dev, useraddr);
1784 rc = ethtool_set_settings(dev, useraddr);
1786 case ETHTOOL_GDRVINFO:
1787 rc = ethtool_get_drvinfo(dev, useraddr);
1790 rc = ethtool_get_regs(dev, useraddr);
1793 rc = ethtool_get_wol(dev, useraddr);
1796 rc = ethtool_set_wol(dev, useraddr);
1798 case ETHTOOL_GMSGLVL:
1799 rc = ethtool_get_value(dev, useraddr, ethcmd,
1800 dev->ethtool_ops->get_msglevel);
1802 case ETHTOOL_SMSGLVL:
1803 rc = ethtool_set_value_void(dev, useraddr,
1804 dev->ethtool_ops->set_msglevel);
1807 rc = ethtool_get_eee(dev, useraddr);
1810 rc = ethtool_set_eee(dev, useraddr);
1812 case ETHTOOL_NWAY_RST:
1813 rc = ethtool_nway_reset(dev);
1816 rc = ethtool_get_link(dev, useraddr);
1818 case ETHTOOL_GEEPROM:
1819 rc = ethtool_get_eeprom(dev, useraddr);
1821 case ETHTOOL_SEEPROM:
1822 rc = ethtool_set_eeprom(dev, useraddr);
1824 case ETHTOOL_GCOALESCE:
1825 rc = ethtool_get_coalesce(dev, useraddr);
1827 case ETHTOOL_SCOALESCE:
1828 rc = ethtool_set_coalesce(dev, useraddr);
1830 case ETHTOOL_GRINGPARAM:
1831 rc = ethtool_get_ringparam(dev, useraddr);
1833 case ETHTOOL_SRINGPARAM:
1834 rc = ethtool_set_ringparam(dev, useraddr);
1836 case ETHTOOL_GPAUSEPARAM:
1837 rc = ethtool_get_pauseparam(dev, useraddr);
1839 case ETHTOOL_SPAUSEPARAM:
1840 rc = ethtool_set_pauseparam(dev, useraddr);
1843 rc = ethtool_self_test(dev, useraddr);
1845 case ETHTOOL_GSTRINGS:
1846 rc = ethtool_get_strings(dev, useraddr);
1848 case ETHTOOL_PHYS_ID:
1849 rc = ethtool_phys_id(dev, useraddr);
1851 case ETHTOOL_GSTATS:
1852 rc = ethtool_get_stats(dev, useraddr);
1854 case ETHTOOL_GPERMADDR:
1855 rc = ethtool_get_perm_addr(dev, useraddr);
1857 case ETHTOOL_GFLAGS:
1858 rc = ethtool_get_value(dev, useraddr, ethcmd,
1859 __ethtool_get_flags);
1861 case ETHTOOL_SFLAGS:
1862 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
1864 case ETHTOOL_GPFLAGS:
1865 rc = ethtool_get_value(dev, useraddr, ethcmd,
1866 dev->ethtool_ops->get_priv_flags);
1868 case ETHTOOL_SPFLAGS:
1869 rc = ethtool_set_value(dev, useraddr,
1870 dev->ethtool_ops->set_priv_flags);
1873 case ETHTOOL_GRXRINGS:
1874 case ETHTOOL_GRXCLSRLCNT:
1875 case ETHTOOL_GRXCLSRULE:
1876 case ETHTOOL_GRXCLSRLALL:
1877 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
1880 case ETHTOOL_SRXCLSRLDEL:
1881 case ETHTOOL_SRXCLSRLINS:
1882 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
1884 case ETHTOOL_FLASHDEV:
1885 rc = ethtool_flash_device(dev, useraddr);
1888 rc = ethtool_reset(dev, useraddr);
1890 case ETHTOOL_GSSET_INFO:
1891 rc = ethtool_get_sset_info(dev, useraddr);
1893 case ETHTOOL_GRXFHINDIR:
1894 rc = ethtool_get_rxfh_indir(dev, useraddr);
1896 case ETHTOOL_SRXFHINDIR:
1897 rc = ethtool_set_rxfh_indir(dev, useraddr);
1900 rc = ethtool_get_rxfh(dev, useraddr);
1903 rc = ethtool_set_rxfh(dev, useraddr);
1905 case ETHTOOL_GFEATURES:
1906 rc = ethtool_get_features(dev, useraddr);
1908 case ETHTOOL_SFEATURES:
1909 rc = ethtool_set_features(dev, useraddr);
1911 case ETHTOOL_GTXCSUM:
1912 case ETHTOOL_GRXCSUM:
1918 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1920 case ETHTOOL_STXCSUM:
1921 case ETHTOOL_SRXCSUM:
1927 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1929 case ETHTOOL_GCHANNELS:
1930 rc = ethtool_get_channels(dev, useraddr);
1932 case ETHTOOL_SCHANNELS:
1933 rc = ethtool_set_channels(dev, useraddr);
1935 case ETHTOOL_SET_DUMP:
1936 rc = ethtool_set_dump(dev, useraddr);
1938 case ETHTOOL_GET_DUMP_FLAG:
1939 rc = ethtool_get_dump_flag(dev, useraddr);
1941 case ETHTOOL_GET_DUMP_DATA:
1942 rc = ethtool_get_dump_data(dev, useraddr);
1944 case ETHTOOL_GET_TS_INFO:
1945 rc = ethtool_get_ts_info(dev, useraddr);
1947 case ETHTOOL_GMODULEINFO:
1948 rc = ethtool_get_module_info(dev, useraddr);
1950 case ETHTOOL_GMODULEEEPROM:
1951 rc = ethtool_get_module_eeprom(dev, useraddr);
1953 case ETHTOOL_GTUNABLE:
1954 rc = ethtool_get_tunable(dev, useraddr);
1956 case ETHTOOL_STUNABLE:
1957 rc = ethtool_set_tunable(dev, useraddr);
1963 if (dev->ethtool_ops->complete)
1964 dev->ethtool_ops->complete(dev);
1966 if (old_features != dev->features)
1967 netdev_features_change(dev);