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",
101 [NETIF_F_HW_SWITCH_OFFLOAD_BIT] = "hw-switch-offload",
105 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
106 [ETH_RSS_HASH_TOP_BIT] = "toeplitz",
107 [ETH_RSS_HASH_XOR_BIT] = "xor",
110 static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
112 struct ethtool_gfeatures cmd = {
113 .cmd = ETHTOOL_GFEATURES,
114 .size = ETHTOOL_DEV_FEATURE_WORDS,
116 struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
117 u32 __user *sizeaddr;
121 /* in case feature bits run out again */
122 BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t));
124 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
125 features[i].available = (u32)(dev->hw_features >> (32 * i));
126 features[i].requested = (u32)(dev->wanted_features >> (32 * i));
127 features[i].active = (u32)(dev->features >> (32 * i));
128 features[i].never_changed =
129 (u32)(NETIF_F_NEVER_CHANGE >> (32 * i));
132 sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
133 if (get_user(copy_size, sizeaddr))
136 if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
137 copy_size = ETHTOOL_DEV_FEATURE_WORDS;
139 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
141 useraddr += sizeof(cmd);
142 if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
148 static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
150 struct ethtool_sfeatures cmd;
151 struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
152 netdev_features_t wanted = 0, valid = 0;
155 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
157 useraddr += sizeof(cmd);
159 if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
162 if (copy_from_user(features, useraddr, sizeof(features)))
165 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
166 valid |= (netdev_features_t)features[i].valid << (32 * i);
167 wanted |= (netdev_features_t)features[i].requested << (32 * i);
170 if (valid & ~NETIF_F_ETHTOOL_BITS)
173 if (valid & ~dev->hw_features) {
174 valid &= dev->hw_features;
175 ret |= ETHTOOL_F_UNSUPPORTED;
178 dev->wanted_features &= ~valid;
179 dev->wanted_features |= wanted & valid;
180 __netdev_update_features(dev);
182 if ((dev->wanted_features ^ dev->features) & valid)
183 ret |= ETHTOOL_F_WISH;
188 static int __ethtool_get_sset_count(struct net_device *dev, int sset)
190 const struct ethtool_ops *ops = dev->ethtool_ops;
192 if (sset == ETH_SS_FEATURES)
193 return ARRAY_SIZE(netdev_features_strings);
195 if (sset == ETH_SS_RSS_HASH_FUNCS)
196 return ARRAY_SIZE(rss_hash_func_strings);
198 if (ops->get_sset_count && ops->get_strings)
199 return ops->get_sset_count(dev, sset);
204 static void __ethtool_get_strings(struct net_device *dev,
205 u32 stringset, u8 *data)
207 const struct ethtool_ops *ops = dev->ethtool_ops;
209 if (stringset == ETH_SS_FEATURES)
210 memcpy(data, netdev_features_strings,
211 sizeof(netdev_features_strings));
212 else if (stringset == ETH_SS_RSS_HASH_FUNCS)
213 memcpy(data, rss_hash_func_strings,
214 sizeof(rss_hash_func_strings));
216 /* ops->get_strings is valid because checked earlier */
217 ops->get_strings(dev, stringset, data);
220 static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd)
222 /* feature masks of legacy discrete ethtool ops */
225 case ETHTOOL_GTXCSUM:
226 case ETHTOOL_STXCSUM:
227 return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
228 case ETHTOOL_GRXCSUM:
229 case ETHTOOL_SRXCSUM:
230 return NETIF_F_RXCSUM;
236 return NETIF_F_ALL_TSO;
251 static int ethtool_get_one_feature(struct net_device *dev,
252 char __user *useraddr, u32 ethcmd)
254 netdev_features_t mask = ethtool_get_feature_mask(ethcmd);
255 struct ethtool_value edata = {
257 .data = !!(dev->features & mask),
260 if (copy_to_user(useraddr, &edata, sizeof(edata)))
265 static int ethtool_set_one_feature(struct net_device *dev,
266 void __user *useraddr, u32 ethcmd)
268 struct ethtool_value edata;
269 netdev_features_t mask;
271 if (copy_from_user(&edata, useraddr, sizeof(edata)))
274 mask = ethtool_get_feature_mask(ethcmd);
275 mask &= dev->hw_features;
280 dev->wanted_features |= mask;
282 dev->wanted_features &= ~mask;
284 __netdev_update_features(dev);
289 #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
290 ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
291 #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \
292 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \
295 static u32 __ethtool_get_flags(struct net_device *dev)
299 if (dev->features & NETIF_F_LRO)
300 flags |= ETH_FLAG_LRO;
301 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
302 flags |= ETH_FLAG_RXVLAN;
303 if (dev->features & NETIF_F_HW_VLAN_CTAG_TX)
304 flags |= ETH_FLAG_TXVLAN;
305 if (dev->features & NETIF_F_NTUPLE)
306 flags |= ETH_FLAG_NTUPLE;
307 if (dev->features & NETIF_F_RXHASH)
308 flags |= ETH_FLAG_RXHASH;
313 static int __ethtool_set_flags(struct net_device *dev, u32 data)
315 netdev_features_t features = 0, changed;
317 if (data & ~ETH_ALL_FLAGS)
320 if (data & ETH_FLAG_LRO)
321 features |= NETIF_F_LRO;
322 if (data & ETH_FLAG_RXVLAN)
323 features |= NETIF_F_HW_VLAN_CTAG_RX;
324 if (data & ETH_FLAG_TXVLAN)
325 features |= NETIF_F_HW_VLAN_CTAG_TX;
326 if (data & ETH_FLAG_NTUPLE)
327 features |= NETIF_F_NTUPLE;
328 if (data & ETH_FLAG_RXHASH)
329 features |= NETIF_F_RXHASH;
331 /* allow changing only bits set in hw_features */
332 changed = (features ^ dev->features) & ETH_ALL_FEATURES;
333 if (changed & ~dev->hw_features)
334 return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
336 dev->wanted_features =
337 (dev->wanted_features & ~changed) | (features & changed);
339 __netdev_update_features(dev);
344 int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
348 if (!dev->ethtool_ops->get_settings)
351 memset(cmd, 0, sizeof(struct ethtool_cmd));
352 cmd->cmd = ETHTOOL_GSET;
353 return dev->ethtool_ops->get_settings(dev, cmd);
355 EXPORT_SYMBOL(__ethtool_get_settings);
357 static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
360 struct ethtool_cmd cmd;
362 err = __ethtool_get_settings(dev, &cmd);
366 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
371 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
373 struct ethtool_cmd cmd;
375 if (!dev->ethtool_ops->set_settings)
378 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
381 return dev->ethtool_ops->set_settings(dev, &cmd);
384 static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
385 void __user *useraddr)
387 struct ethtool_drvinfo info;
388 const struct ethtool_ops *ops = dev->ethtool_ops;
390 memset(&info, 0, sizeof(info));
391 info.cmd = ETHTOOL_GDRVINFO;
392 if (ops->get_drvinfo) {
393 ops->get_drvinfo(dev, &info);
394 } else if (dev->dev.parent && dev->dev.parent->driver) {
395 strlcpy(info.bus_info, dev_name(dev->dev.parent),
396 sizeof(info.bus_info));
397 strlcpy(info.driver, dev->dev.parent->driver->name,
398 sizeof(info.driver));
404 * this method of obtaining string set info is deprecated;
405 * Use ETHTOOL_GSSET_INFO instead.
407 if (ops->get_sset_count) {
410 rc = ops->get_sset_count(dev, ETH_SS_TEST);
412 info.testinfo_len = rc;
413 rc = ops->get_sset_count(dev, ETH_SS_STATS);
416 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
418 info.n_priv_flags = rc;
420 if (ops->get_regs_len)
421 info.regdump_len = ops->get_regs_len(dev);
422 if (ops->get_eeprom_len)
423 info.eedump_len = ops->get_eeprom_len(dev);
425 if (copy_to_user(useraddr, &info, sizeof(info)))
430 static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
431 void __user *useraddr)
433 struct ethtool_sset_info info;
435 int i, idx = 0, n_bits = 0, ret, rc;
436 u32 *info_buf = NULL;
438 if (copy_from_user(&info, useraddr, sizeof(info)))
441 /* store copy of mask, because we zero struct later on */
442 sset_mask = info.sset_mask;
446 /* calculate size of return buffer */
447 n_bits = hweight64(sset_mask);
449 memset(&info, 0, sizeof(info));
450 info.cmd = ETHTOOL_GSSET_INFO;
452 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
457 * fill return buffer based on input bitmask and successful
458 * get_sset_count return
460 for (i = 0; i < 64; i++) {
461 if (!(sset_mask & (1ULL << i)))
464 rc = __ethtool_get_sset_count(dev, i);
466 info.sset_mask |= (1ULL << i);
467 info_buf[idx++] = rc;
472 if (copy_to_user(useraddr, &info, sizeof(info)))
475 useraddr += offsetof(struct ethtool_sset_info, data);
476 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
486 static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
487 u32 cmd, void __user *useraddr)
489 struct ethtool_rxnfc info;
490 size_t info_size = sizeof(info);
493 if (!dev->ethtool_ops->set_rxnfc)
496 /* struct ethtool_rxnfc was originally defined for
497 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
498 * members. User-space might still be using that
500 if (cmd == ETHTOOL_SRXFH)
501 info_size = (offsetof(struct ethtool_rxnfc, data) +
504 if (copy_from_user(&info, useraddr, info_size))
507 rc = dev->ethtool_ops->set_rxnfc(dev, &info);
511 if (cmd == ETHTOOL_SRXCLSRLINS &&
512 copy_to_user(useraddr, &info, info_size))
518 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
519 u32 cmd, void __user *useraddr)
521 struct ethtool_rxnfc info;
522 size_t info_size = sizeof(info);
523 const struct ethtool_ops *ops = dev->ethtool_ops;
525 void *rule_buf = NULL;
530 /* struct ethtool_rxnfc was originally defined for
531 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
532 * members. User-space might still be using that
534 if (cmd == ETHTOOL_GRXFH)
535 info_size = (offsetof(struct ethtool_rxnfc, data) +
538 if (copy_from_user(&info, useraddr, info_size))
541 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
542 if (info.rule_cnt > 0) {
543 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
544 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
551 ret = ops->get_rxnfc(dev, &info, rule_buf);
556 if (copy_to_user(useraddr, &info, info_size))
560 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
561 if (copy_to_user(useraddr, rule_buf,
562 info.rule_cnt * sizeof(u32)))
573 static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
574 struct ethtool_rxnfc *rx_rings,
579 if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
582 /* Validate ring indices */
583 for (i = 0; i < size; i++)
584 if (indir[i] >= rx_rings->data)
590 u8 netdev_rss_key[NETDEV_RSS_KEY_LEN];
592 void netdev_rss_key_fill(void *buffer, size_t len)
594 BUG_ON(len > sizeof(netdev_rss_key));
595 net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key));
596 memcpy(buffer, netdev_rss_key, len);
598 EXPORT_SYMBOL(netdev_rss_key_fill);
600 static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
601 void __user *useraddr)
603 u32 user_size, dev_size;
607 if (!dev->ethtool_ops->get_rxfh_indir_size ||
608 !dev->ethtool_ops->get_rxfh)
610 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
614 if (copy_from_user(&user_size,
615 useraddr + offsetof(struct ethtool_rxfh_indir, size),
619 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
620 &dev_size, sizeof(dev_size)))
623 /* If the user buffer size is 0, this is just a query for the
624 * device table size. Otherwise, if it's smaller than the
625 * device table size it's an error.
627 if (user_size < dev_size)
628 return user_size == 0 ? 0 : -EINVAL;
630 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
634 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
638 if (copy_to_user(useraddr +
639 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
640 indir, dev_size * sizeof(indir[0])))
648 static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
649 void __user *useraddr)
651 struct ethtool_rxnfc rx_rings;
652 u32 user_size, dev_size, i;
654 const struct ethtool_ops *ops = dev->ethtool_ops;
656 u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
658 if (!ops->get_rxfh_indir_size || !ops->set_rxfh ||
662 dev_size = ops->get_rxfh_indir_size(dev);
666 if (copy_from_user(&user_size,
667 useraddr + offsetof(struct ethtool_rxfh_indir, size),
671 if (user_size != 0 && user_size != dev_size)
674 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
678 rx_rings.cmd = ETHTOOL_GRXRINGS;
679 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
683 if (user_size == 0) {
684 for (i = 0; i < dev_size; i++)
685 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
687 ret = ethtool_copy_validate_indir(indir,
688 useraddr + ringidx_offset,
695 ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE);
702 static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
703 void __user *useraddr)
706 const struct ethtool_ops *ops = dev->ethtool_ops;
707 u32 user_indir_size, user_key_size;
708 u32 dev_indir_size = 0, dev_key_size = 0;
709 struct ethtool_rxfh rxfh;
720 if (ops->get_rxfh_indir_size)
721 dev_indir_size = ops->get_rxfh_indir_size(dev);
722 if (ops->get_rxfh_key_size)
723 dev_key_size = ops->get_rxfh_key_size(dev);
725 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
727 user_indir_size = rxfh.indir_size;
728 user_key_size = rxfh.key_size;
730 /* Check that reserved fields are 0 for now */
731 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
732 rxfh.rsvd8[2] || rxfh.rsvd32)
735 rxfh.indir_size = dev_indir_size;
736 rxfh.key_size = dev_key_size;
737 if (copy_to_user(useraddr, &rxfh, sizeof(rxfh)))
740 if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
741 (user_key_size && (user_key_size != dev_key_size)))
744 indir_bytes = user_indir_size * sizeof(indir[0]);
745 total_size = indir_bytes + user_key_size;
746 rss_config = kzalloc(total_size, GFP_USER);
751 indir = (u32 *)rss_config;
754 hkey = rss_config + indir_bytes;
756 ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc);
760 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc),
761 &dev_hfunc, sizeof(rxfh.hfunc))) {
763 } else if (copy_to_user(useraddr +
764 offsetof(struct ethtool_rxfh, rss_config[0]),
765 rss_config, total_size)) {
774 static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
775 void __user *useraddr)
778 const struct ethtool_ops *ops = dev->ethtool_ops;
779 struct ethtool_rxnfc rx_rings;
780 struct ethtool_rxfh rxfh;
781 u32 dev_indir_size = 0, dev_key_size = 0, i;
782 u32 *indir = NULL, indir_bytes = 0;
785 u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
787 if (!ops->get_rxnfc || !ops->set_rxfh)
790 if (ops->get_rxfh_indir_size)
791 dev_indir_size = ops->get_rxfh_indir_size(dev);
792 if (ops->get_rxfh_key_size)
793 dev_key_size = ops->get_rxfh_key_size(dev);
795 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
798 /* Check that reserved fields are 0 for now */
799 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
800 rxfh.rsvd8[2] || rxfh.rsvd32)
803 /* If either indir, hash key or function is valid, proceed further.
804 * Must request at least one change: indir size, hash key or function.
806 if ((rxfh.indir_size &&
807 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
808 rxfh.indir_size != dev_indir_size) ||
809 (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
810 (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
811 rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE))
814 if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
815 indir_bytes = dev_indir_size * sizeof(indir[0]);
817 rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER);
821 rx_rings.cmd = ETHTOOL_GRXRINGS;
822 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
826 /* rxfh.indir_size == 0 means reset the indir table to default.
827 * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged.
829 if (rxfh.indir_size &&
830 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) {
831 indir = (u32 *)rss_config;
832 ret = ethtool_copy_validate_indir(indir,
833 useraddr + rss_cfg_offset,
838 } else if (rxfh.indir_size == 0) {
839 indir = (u32 *)rss_config;
840 for (i = 0; i < dev_indir_size; i++)
841 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
845 hkey = rss_config + indir_bytes;
846 if (copy_from_user(hkey,
847 useraddr + rss_cfg_offset + indir_bytes,
854 ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc);
861 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
863 struct ethtool_regs regs;
864 const struct ethtool_ops *ops = dev->ethtool_ops;
868 if (!ops->get_regs || !ops->get_regs_len)
871 if (copy_from_user(®s, useraddr, sizeof(regs)))
874 reglen = ops->get_regs_len(dev);
875 if (regs.len > reglen)
880 regbuf = vzalloc(reglen);
885 ops->get_regs(dev, ®s, regbuf);
888 if (copy_to_user(useraddr, ®s, sizeof(regs)))
890 useraddr += offsetof(struct ethtool_regs, data);
891 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
900 static int ethtool_reset(struct net_device *dev, char __user *useraddr)
902 struct ethtool_value reset;
905 if (!dev->ethtool_ops->reset)
908 if (copy_from_user(&reset, useraddr, sizeof(reset)))
911 ret = dev->ethtool_ops->reset(dev, &reset.data);
915 if (copy_to_user(useraddr, &reset, sizeof(reset)))
920 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
922 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
924 if (!dev->ethtool_ops->get_wol)
927 dev->ethtool_ops->get_wol(dev, &wol);
929 if (copy_to_user(useraddr, &wol, sizeof(wol)))
934 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
936 struct ethtool_wolinfo wol;
938 if (!dev->ethtool_ops->set_wol)
941 if (copy_from_user(&wol, useraddr, sizeof(wol)))
944 return dev->ethtool_ops->set_wol(dev, &wol);
947 static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
949 struct ethtool_eee edata;
952 if (!dev->ethtool_ops->get_eee)
955 memset(&edata, 0, sizeof(struct ethtool_eee));
956 edata.cmd = ETHTOOL_GEEE;
957 rc = dev->ethtool_ops->get_eee(dev, &edata);
962 if (copy_to_user(useraddr, &edata, sizeof(edata)))
968 static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
970 struct ethtool_eee edata;
972 if (!dev->ethtool_ops->set_eee)
975 if (copy_from_user(&edata, useraddr, sizeof(edata)))
978 return dev->ethtool_ops->set_eee(dev, &edata);
981 static int ethtool_nway_reset(struct net_device *dev)
983 if (!dev->ethtool_ops->nway_reset)
986 return dev->ethtool_ops->nway_reset(dev);
989 static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
991 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
993 if (!dev->ethtool_ops->get_link)
996 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
998 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1003 static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
1004 int (*getter)(struct net_device *,
1005 struct ethtool_eeprom *, u8 *),
1008 struct ethtool_eeprom eeprom;
1009 void __user *userbuf = useraddr + sizeof(eeprom);
1010 u32 bytes_remaining;
1014 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1017 /* Check for wrap and zero */
1018 if (eeprom.offset + eeprom.len <= eeprom.offset)
1021 /* Check for exceeding total eeprom len */
1022 if (eeprom.offset + eeprom.len > total_len)
1025 data = kmalloc(PAGE_SIZE, GFP_USER);
1029 bytes_remaining = eeprom.len;
1030 while (bytes_remaining > 0) {
1031 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1033 ret = getter(dev, &eeprom, data);
1036 if (copy_to_user(userbuf, data, eeprom.len)) {
1040 userbuf += eeprom.len;
1041 eeprom.offset += eeprom.len;
1042 bytes_remaining -= eeprom.len;
1045 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1046 eeprom.offset -= eeprom.len;
1047 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1054 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1056 const struct ethtool_ops *ops = dev->ethtool_ops;
1058 if (!ops->get_eeprom || !ops->get_eeprom_len ||
1059 !ops->get_eeprom_len(dev))
1062 return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom,
1063 ops->get_eeprom_len(dev));
1066 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1068 struct ethtool_eeprom eeprom;
1069 const struct ethtool_ops *ops = dev->ethtool_ops;
1070 void __user *userbuf = useraddr + sizeof(eeprom);
1071 u32 bytes_remaining;
1075 if (!ops->set_eeprom || !ops->get_eeprom_len ||
1076 !ops->get_eeprom_len(dev))
1079 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1082 /* Check for wrap and zero */
1083 if (eeprom.offset + eeprom.len <= eeprom.offset)
1086 /* Check for exceeding total eeprom len */
1087 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1090 data = kmalloc(PAGE_SIZE, GFP_USER);
1094 bytes_remaining = eeprom.len;
1095 while (bytes_remaining > 0) {
1096 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1098 if (copy_from_user(data, userbuf, eeprom.len)) {
1102 ret = ops->set_eeprom(dev, &eeprom, data);
1105 userbuf += eeprom.len;
1106 eeprom.offset += eeprom.len;
1107 bytes_remaining -= eeprom.len;
1114 static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1115 void __user *useraddr)
1117 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1119 if (!dev->ethtool_ops->get_coalesce)
1122 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1124 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1129 static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1130 void __user *useraddr)
1132 struct ethtool_coalesce coalesce;
1134 if (!dev->ethtool_ops->set_coalesce)
1137 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1140 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1143 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1145 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1147 if (!dev->ethtool_ops->get_ringparam)
1150 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1152 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1157 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1159 struct ethtool_ringparam ringparam;
1161 if (!dev->ethtool_ops->set_ringparam)
1164 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1167 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1170 static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1171 void __user *useraddr)
1173 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1175 if (!dev->ethtool_ops->get_channels)
1178 dev->ethtool_ops->get_channels(dev, &channels);
1180 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1185 static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1186 void __user *useraddr)
1188 struct ethtool_channels channels;
1190 if (!dev->ethtool_ops->set_channels)
1193 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1196 return dev->ethtool_ops->set_channels(dev, &channels);
1199 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1201 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1203 if (!dev->ethtool_ops->get_pauseparam)
1206 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1208 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1213 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1215 struct ethtool_pauseparam pauseparam;
1217 if (!dev->ethtool_ops->set_pauseparam)
1220 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1223 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1226 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1228 struct ethtool_test test;
1229 const struct ethtool_ops *ops = dev->ethtool_ops;
1233 if (!ops->self_test || !ops->get_sset_count)
1236 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1239 WARN_ON(test_len == 0);
1241 if (copy_from_user(&test, useraddr, sizeof(test)))
1244 test.len = test_len;
1245 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1249 ops->self_test(dev, &test, data);
1252 if (copy_to_user(useraddr, &test, sizeof(test)))
1254 useraddr += sizeof(test);
1255 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1264 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1266 struct ethtool_gstrings gstrings;
1270 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1273 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
1279 data = kcalloc(gstrings.len, ETH_GSTRING_LEN, GFP_USER);
1283 __ethtool_get_strings(dev, gstrings.string_set, data);
1286 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1288 useraddr += sizeof(gstrings);
1289 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1298 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1300 struct ethtool_value id;
1302 const struct ethtool_ops *ops = dev->ethtool_ops;
1305 if (!ops->set_phys_id)
1311 if (copy_from_user(&id, useraddr, sizeof(id)))
1314 rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
1318 /* Drop the RTNL lock while waiting, but prevent reentry or
1319 * removal of the device.
1326 /* Driver will handle this itself */
1327 schedule_timeout_interruptible(
1328 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
1330 /* Driver expects to be called at twice the frequency in rc */
1331 int n = rc * 2, i, interval = HZ / n;
1333 /* Count down seconds */
1335 /* Count down iterations per second */
1339 rc = ops->set_phys_id(dev,
1340 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1344 schedule_timeout_interruptible(interval);
1345 } while (!signal_pending(current) && --i != 0);
1346 } while (!signal_pending(current) &&
1347 (id.data == 0 || --id.data != 0));
1354 (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
1358 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1360 struct ethtool_stats stats;
1361 const struct ethtool_ops *ops = dev->ethtool_ops;
1365 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1368 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1371 WARN_ON(n_stats == 0);
1373 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1376 stats.n_stats = n_stats;
1377 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1381 ops->get_ethtool_stats(dev, &stats, data);
1384 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1386 useraddr += sizeof(stats);
1387 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1396 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1398 struct ethtool_perm_addr epaddr;
1400 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1403 if (epaddr.size < dev->addr_len)
1405 epaddr.size = dev->addr_len;
1407 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1409 useraddr += sizeof(epaddr);
1410 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1415 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1416 u32 cmd, u32 (*actor)(struct net_device *))
1418 struct ethtool_value edata = { .cmd = cmd };
1423 edata.data = actor(dev);
1425 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1430 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1431 void (*actor)(struct net_device *, u32))
1433 struct ethtool_value edata;
1438 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1441 actor(dev, edata.data);
1445 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1446 int (*actor)(struct net_device *, u32))
1448 struct ethtool_value edata;
1453 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1456 return actor(dev, edata.data);
1459 static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1460 char __user *useraddr)
1462 struct ethtool_flash efl;
1464 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1467 if (!dev->ethtool_ops->flash_device)
1470 efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
1472 return dev->ethtool_ops->flash_device(dev, &efl);
1475 static int ethtool_set_dump(struct net_device *dev,
1476 void __user *useraddr)
1478 struct ethtool_dump dump;
1480 if (!dev->ethtool_ops->set_dump)
1483 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1486 return dev->ethtool_ops->set_dump(dev, &dump);
1489 static int ethtool_get_dump_flag(struct net_device *dev,
1490 void __user *useraddr)
1493 struct ethtool_dump dump;
1494 const struct ethtool_ops *ops = dev->ethtool_ops;
1496 if (!ops->get_dump_flag)
1499 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1502 ret = ops->get_dump_flag(dev, &dump);
1506 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1511 static int ethtool_get_dump_data(struct net_device *dev,
1512 void __user *useraddr)
1516 struct ethtool_dump dump, tmp;
1517 const struct ethtool_ops *ops = dev->ethtool_ops;
1520 if (!ops->get_dump_data || !ops->get_dump_flag)
1523 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1526 memset(&tmp, 0, sizeof(tmp));
1527 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1528 ret = ops->get_dump_flag(dev, &tmp);
1532 len = min(tmp.len, dump.len);
1536 /* Don't ever let the driver think there's more space available
1537 * than it requested with .get_dump_flag().
1541 /* Always allocate enough space to hold the whole thing so that the
1542 * driver does not need to check the length and bother with partial
1545 data = vzalloc(tmp.len);
1548 ret = ops->get_dump_data(dev, &dump, data);
1552 /* There are two sane possibilities:
1553 * 1. The driver's .get_dump_data() does not touch dump.len.
1554 * 2. Or it may set dump.len to how much it really writes, which
1555 * should be tmp.len (or len if it can do a partial dump).
1556 * In any case respond to userspace with the actual length of data
1559 WARN_ON(dump.len != len && dump.len != tmp.len);
1562 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1566 useraddr += offsetof(struct ethtool_dump, data);
1567 if (copy_to_user(useraddr, data, len))
1574 static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
1577 struct ethtool_ts_info info;
1578 const struct ethtool_ops *ops = dev->ethtool_ops;
1579 struct phy_device *phydev = dev->phydev;
1581 memset(&info, 0, sizeof(info));
1582 info.cmd = ETHTOOL_GET_TS_INFO;
1584 if (phydev && phydev->drv && phydev->drv->ts_info) {
1585 err = phydev->drv->ts_info(phydev, &info);
1586 } else if (ops->get_ts_info) {
1587 err = ops->get_ts_info(dev, &info);
1589 info.so_timestamping =
1590 SOF_TIMESTAMPING_RX_SOFTWARE |
1591 SOF_TIMESTAMPING_SOFTWARE;
1592 info.phc_index = -1;
1598 if (copy_to_user(useraddr, &info, sizeof(info)))
1604 static int __ethtool_get_module_info(struct net_device *dev,
1605 struct ethtool_modinfo *modinfo)
1607 const struct ethtool_ops *ops = dev->ethtool_ops;
1608 struct phy_device *phydev = dev->phydev;
1610 if (phydev && phydev->drv && phydev->drv->module_info)
1611 return phydev->drv->module_info(phydev, modinfo);
1613 if (ops->get_module_info)
1614 return ops->get_module_info(dev, modinfo);
1619 static int ethtool_get_module_info(struct net_device *dev,
1620 void __user *useraddr)
1623 struct ethtool_modinfo modinfo;
1625 if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
1628 ret = __ethtool_get_module_info(dev, &modinfo);
1632 if (copy_to_user(useraddr, &modinfo, sizeof(modinfo)))
1638 static int __ethtool_get_module_eeprom(struct net_device *dev,
1639 struct ethtool_eeprom *ee, u8 *data)
1641 const struct ethtool_ops *ops = dev->ethtool_ops;
1642 struct phy_device *phydev = dev->phydev;
1644 if (phydev && phydev->drv && phydev->drv->module_eeprom)
1645 return phydev->drv->module_eeprom(phydev, ee, data);
1647 if (ops->get_module_eeprom)
1648 return ops->get_module_eeprom(dev, ee, data);
1653 static int ethtool_get_module_eeprom(struct net_device *dev,
1654 void __user *useraddr)
1657 struct ethtool_modinfo modinfo;
1659 ret = __ethtool_get_module_info(dev, &modinfo);
1663 return ethtool_get_any_eeprom(dev, useraddr,
1664 __ethtool_get_module_eeprom,
1665 modinfo.eeprom_len);
1668 static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
1671 case ETHTOOL_RX_COPYBREAK:
1672 case ETHTOOL_TX_COPYBREAK:
1673 if (tuna->len != sizeof(u32) ||
1674 tuna->type_id != ETHTOOL_TUNABLE_U32)
1684 static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr)
1687 struct ethtool_tunable tuna;
1688 const struct ethtool_ops *ops = dev->ethtool_ops;
1691 if (!ops->get_tunable)
1693 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1695 ret = ethtool_tunable_valid(&tuna);
1698 data = kmalloc(tuna.len, GFP_USER);
1701 ret = ops->get_tunable(dev, &tuna, data);
1704 useraddr += sizeof(tuna);
1706 if (copy_to_user(useraddr, data, tuna.len))
1715 static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr)
1718 struct ethtool_tunable tuna;
1719 const struct ethtool_ops *ops = dev->ethtool_ops;
1722 if (!ops->set_tunable)
1724 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1726 ret = ethtool_tunable_valid(&tuna);
1729 data = kmalloc(tuna.len, GFP_USER);
1732 useraddr += sizeof(tuna);
1734 if (copy_from_user(data, useraddr, tuna.len))
1736 ret = ops->set_tunable(dev, &tuna, data);
1743 /* The main entry point in this file. Called from net/core/dev_ioctl.c */
1745 int dev_ethtool(struct net *net, struct ifreq *ifr)
1747 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1748 void __user *useraddr = ifr->ifr_data;
1751 netdev_features_t old_features;
1753 if (!dev || !netif_device_present(dev))
1756 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
1759 /* Allow some commands to be done by anyone */
1762 case ETHTOOL_GDRVINFO:
1763 case ETHTOOL_GMSGLVL:
1765 case ETHTOOL_GCOALESCE:
1766 case ETHTOOL_GRINGPARAM:
1767 case ETHTOOL_GPAUSEPARAM:
1768 case ETHTOOL_GRXCSUM:
1769 case ETHTOOL_GTXCSUM:
1771 case ETHTOOL_GSSET_INFO:
1772 case ETHTOOL_GSTRINGS:
1773 case ETHTOOL_GSTATS:
1775 case ETHTOOL_GPERMADDR:
1779 case ETHTOOL_GFLAGS:
1780 case ETHTOOL_GPFLAGS:
1782 case ETHTOOL_GRXRINGS:
1783 case ETHTOOL_GRXCLSRLCNT:
1784 case ETHTOOL_GRXCLSRULE:
1785 case ETHTOOL_GRXCLSRLALL:
1786 case ETHTOOL_GRXFHINDIR:
1788 case ETHTOOL_GFEATURES:
1789 case ETHTOOL_GCHANNELS:
1790 case ETHTOOL_GET_TS_INFO:
1792 case ETHTOOL_GTUNABLE:
1795 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
1799 if (dev->ethtool_ops->begin) {
1800 rc = dev->ethtool_ops->begin(dev);
1804 old_features = dev->features;
1808 rc = ethtool_get_settings(dev, useraddr);
1811 rc = ethtool_set_settings(dev, useraddr);
1813 case ETHTOOL_GDRVINFO:
1814 rc = ethtool_get_drvinfo(dev, useraddr);
1817 rc = ethtool_get_regs(dev, useraddr);
1820 rc = ethtool_get_wol(dev, useraddr);
1823 rc = ethtool_set_wol(dev, useraddr);
1825 case ETHTOOL_GMSGLVL:
1826 rc = ethtool_get_value(dev, useraddr, ethcmd,
1827 dev->ethtool_ops->get_msglevel);
1829 case ETHTOOL_SMSGLVL:
1830 rc = ethtool_set_value_void(dev, useraddr,
1831 dev->ethtool_ops->set_msglevel);
1834 rc = ethtool_get_eee(dev, useraddr);
1837 rc = ethtool_set_eee(dev, useraddr);
1839 case ETHTOOL_NWAY_RST:
1840 rc = ethtool_nway_reset(dev);
1843 rc = ethtool_get_link(dev, useraddr);
1845 case ETHTOOL_GEEPROM:
1846 rc = ethtool_get_eeprom(dev, useraddr);
1848 case ETHTOOL_SEEPROM:
1849 rc = ethtool_set_eeprom(dev, useraddr);
1851 case ETHTOOL_GCOALESCE:
1852 rc = ethtool_get_coalesce(dev, useraddr);
1854 case ETHTOOL_SCOALESCE:
1855 rc = ethtool_set_coalesce(dev, useraddr);
1857 case ETHTOOL_GRINGPARAM:
1858 rc = ethtool_get_ringparam(dev, useraddr);
1860 case ETHTOOL_SRINGPARAM:
1861 rc = ethtool_set_ringparam(dev, useraddr);
1863 case ETHTOOL_GPAUSEPARAM:
1864 rc = ethtool_get_pauseparam(dev, useraddr);
1866 case ETHTOOL_SPAUSEPARAM:
1867 rc = ethtool_set_pauseparam(dev, useraddr);
1870 rc = ethtool_self_test(dev, useraddr);
1872 case ETHTOOL_GSTRINGS:
1873 rc = ethtool_get_strings(dev, useraddr);
1875 case ETHTOOL_PHYS_ID:
1876 rc = ethtool_phys_id(dev, useraddr);
1878 case ETHTOOL_GSTATS:
1879 rc = ethtool_get_stats(dev, useraddr);
1881 case ETHTOOL_GPERMADDR:
1882 rc = ethtool_get_perm_addr(dev, useraddr);
1884 case ETHTOOL_GFLAGS:
1885 rc = ethtool_get_value(dev, useraddr, ethcmd,
1886 __ethtool_get_flags);
1888 case ETHTOOL_SFLAGS:
1889 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
1891 case ETHTOOL_GPFLAGS:
1892 rc = ethtool_get_value(dev, useraddr, ethcmd,
1893 dev->ethtool_ops->get_priv_flags);
1895 case ETHTOOL_SPFLAGS:
1896 rc = ethtool_set_value(dev, useraddr,
1897 dev->ethtool_ops->set_priv_flags);
1900 case ETHTOOL_GRXRINGS:
1901 case ETHTOOL_GRXCLSRLCNT:
1902 case ETHTOOL_GRXCLSRULE:
1903 case ETHTOOL_GRXCLSRLALL:
1904 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
1907 case ETHTOOL_SRXCLSRLDEL:
1908 case ETHTOOL_SRXCLSRLINS:
1909 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
1911 case ETHTOOL_FLASHDEV:
1912 rc = ethtool_flash_device(dev, useraddr);
1915 rc = ethtool_reset(dev, useraddr);
1917 case ETHTOOL_GSSET_INFO:
1918 rc = ethtool_get_sset_info(dev, useraddr);
1920 case ETHTOOL_GRXFHINDIR:
1921 rc = ethtool_get_rxfh_indir(dev, useraddr);
1923 case ETHTOOL_SRXFHINDIR:
1924 rc = ethtool_set_rxfh_indir(dev, useraddr);
1927 rc = ethtool_get_rxfh(dev, useraddr);
1930 rc = ethtool_set_rxfh(dev, useraddr);
1932 case ETHTOOL_GFEATURES:
1933 rc = ethtool_get_features(dev, useraddr);
1935 case ETHTOOL_SFEATURES:
1936 rc = ethtool_set_features(dev, useraddr);
1938 case ETHTOOL_GTXCSUM:
1939 case ETHTOOL_GRXCSUM:
1945 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1947 case ETHTOOL_STXCSUM:
1948 case ETHTOOL_SRXCSUM:
1954 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1956 case ETHTOOL_GCHANNELS:
1957 rc = ethtool_get_channels(dev, useraddr);
1959 case ETHTOOL_SCHANNELS:
1960 rc = ethtool_set_channels(dev, useraddr);
1962 case ETHTOOL_SET_DUMP:
1963 rc = ethtool_set_dump(dev, useraddr);
1965 case ETHTOOL_GET_DUMP_FLAG:
1966 rc = ethtool_get_dump_flag(dev, useraddr);
1968 case ETHTOOL_GET_DUMP_DATA:
1969 rc = ethtool_get_dump_data(dev, useraddr);
1971 case ETHTOOL_GET_TS_INFO:
1972 rc = ethtool_get_ts_info(dev, useraddr);
1974 case ETHTOOL_GMODULEINFO:
1975 rc = ethtool_get_module_info(dev, useraddr);
1977 case ETHTOOL_GMODULEEEPROM:
1978 rc = ethtool_get_module_eeprom(dev, useraddr);
1980 case ETHTOOL_GTUNABLE:
1981 rc = ethtool_get_tunable(dev, useraddr);
1983 case ETHTOOL_STUNABLE:
1984 rc = ethtool_set_tunable(dev, useraddr);
1990 if (dev->ethtool_ops->complete)
1991 dev->ethtool_ops->complete(dev);
1993 if (old_features != dev->features)
1994 netdev_features_change(dev);