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 if (!dev->ethtool_ops->get_settings)
364 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
367 cmd.cmd = ETHTOOL_GSET;
369 err = dev->ethtool_ops->get_settings(dev, &cmd);
373 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
378 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
380 struct ethtool_cmd cmd;
382 if (!dev->ethtool_ops->set_settings)
385 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
388 return dev->ethtool_ops->set_settings(dev, &cmd);
391 static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
392 void __user *useraddr)
394 struct ethtool_drvinfo info;
395 const struct ethtool_ops *ops = dev->ethtool_ops;
397 memset(&info, 0, sizeof(info));
398 info.cmd = ETHTOOL_GDRVINFO;
399 if (ops->get_drvinfo) {
400 ops->get_drvinfo(dev, &info);
401 } else if (dev->dev.parent && dev->dev.parent->driver) {
402 strlcpy(info.bus_info, dev_name(dev->dev.parent),
403 sizeof(info.bus_info));
404 strlcpy(info.driver, dev->dev.parent->driver->name,
405 sizeof(info.driver));
411 * this method of obtaining string set info is deprecated;
412 * Use ETHTOOL_GSSET_INFO instead.
414 if (ops->get_sset_count) {
417 rc = ops->get_sset_count(dev, ETH_SS_TEST);
419 info.testinfo_len = rc;
420 rc = ops->get_sset_count(dev, ETH_SS_STATS);
423 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
425 info.n_priv_flags = rc;
427 if (ops->get_regs_len)
428 info.regdump_len = ops->get_regs_len(dev);
429 if (ops->get_eeprom_len)
430 info.eedump_len = ops->get_eeprom_len(dev);
432 if (copy_to_user(useraddr, &info, sizeof(info)))
437 static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
438 void __user *useraddr)
440 struct ethtool_sset_info info;
442 int i, idx = 0, n_bits = 0, ret, rc;
443 u32 *info_buf = NULL;
445 if (copy_from_user(&info, useraddr, sizeof(info)))
448 /* store copy of mask, because we zero struct later on */
449 sset_mask = info.sset_mask;
453 /* calculate size of return buffer */
454 n_bits = hweight64(sset_mask);
456 memset(&info, 0, sizeof(info));
457 info.cmd = ETHTOOL_GSSET_INFO;
459 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
464 * fill return buffer based on input bitmask and successful
465 * get_sset_count return
467 for (i = 0; i < 64; i++) {
468 if (!(sset_mask & (1ULL << i)))
471 rc = __ethtool_get_sset_count(dev, i);
473 info.sset_mask |= (1ULL << i);
474 info_buf[idx++] = rc;
479 if (copy_to_user(useraddr, &info, sizeof(info)))
482 useraddr += offsetof(struct ethtool_sset_info, data);
483 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
493 static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
494 u32 cmd, void __user *useraddr)
496 struct ethtool_rxnfc info;
497 size_t info_size = sizeof(info);
500 if (!dev->ethtool_ops->set_rxnfc)
503 /* struct ethtool_rxnfc was originally defined for
504 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
505 * members. User-space might still be using that
507 if (cmd == ETHTOOL_SRXFH)
508 info_size = (offsetof(struct ethtool_rxnfc, data) +
511 if (copy_from_user(&info, useraddr, info_size))
514 rc = dev->ethtool_ops->set_rxnfc(dev, &info);
518 if (cmd == ETHTOOL_SRXCLSRLINS &&
519 copy_to_user(useraddr, &info, info_size))
525 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
526 u32 cmd, void __user *useraddr)
528 struct ethtool_rxnfc info;
529 size_t info_size = sizeof(info);
530 const struct ethtool_ops *ops = dev->ethtool_ops;
532 void *rule_buf = NULL;
537 /* struct ethtool_rxnfc was originally defined for
538 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
539 * members. User-space might still be using that
541 if (cmd == ETHTOOL_GRXFH)
542 info_size = (offsetof(struct ethtool_rxnfc, data) +
545 if (copy_from_user(&info, useraddr, info_size))
548 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
549 if (info.rule_cnt > 0) {
550 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
551 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
558 ret = ops->get_rxnfc(dev, &info, rule_buf);
563 if (copy_to_user(useraddr, &info, info_size))
567 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
568 if (copy_to_user(useraddr, rule_buf,
569 info.rule_cnt * sizeof(u32)))
580 static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
581 struct ethtool_rxnfc *rx_rings,
586 if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
589 /* Validate ring indices */
590 for (i = 0; i < size; i++)
591 if (indir[i] >= rx_rings->data)
597 u8 netdev_rss_key[NETDEV_RSS_KEY_LEN];
599 void netdev_rss_key_fill(void *buffer, size_t len)
601 BUG_ON(len > sizeof(netdev_rss_key));
602 net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key));
603 memcpy(buffer, netdev_rss_key, len);
605 EXPORT_SYMBOL(netdev_rss_key_fill);
607 static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
608 void __user *useraddr)
610 u32 user_size, dev_size;
614 if (!dev->ethtool_ops->get_rxfh_indir_size ||
615 !dev->ethtool_ops->get_rxfh)
617 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
621 if (copy_from_user(&user_size,
622 useraddr + offsetof(struct ethtool_rxfh_indir, size),
626 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
627 &dev_size, sizeof(dev_size)))
630 /* If the user buffer size is 0, this is just a query for the
631 * device table size. Otherwise, if it's smaller than the
632 * device table size it's an error.
634 if (user_size < dev_size)
635 return user_size == 0 ? 0 : -EINVAL;
637 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
641 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
645 if (copy_to_user(useraddr +
646 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
647 indir, dev_size * sizeof(indir[0])))
655 static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
656 void __user *useraddr)
658 struct ethtool_rxnfc rx_rings;
659 u32 user_size, dev_size, i;
661 const struct ethtool_ops *ops = dev->ethtool_ops;
663 u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
665 if (!ops->get_rxfh_indir_size || !ops->set_rxfh ||
669 dev_size = ops->get_rxfh_indir_size(dev);
673 if (copy_from_user(&user_size,
674 useraddr + offsetof(struct ethtool_rxfh_indir, size),
678 if (user_size != 0 && user_size != dev_size)
681 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
685 rx_rings.cmd = ETHTOOL_GRXRINGS;
686 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
690 if (user_size == 0) {
691 for (i = 0; i < dev_size; i++)
692 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
694 ret = ethtool_copy_validate_indir(indir,
695 useraddr + ringidx_offset,
702 ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE);
709 static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
710 void __user *useraddr)
713 const struct ethtool_ops *ops = dev->ethtool_ops;
714 u32 user_indir_size, user_key_size;
715 u32 dev_indir_size = 0, dev_key_size = 0;
716 struct ethtool_rxfh rxfh;
727 if (ops->get_rxfh_indir_size)
728 dev_indir_size = ops->get_rxfh_indir_size(dev);
729 if (ops->get_rxfh_key_size)
730 dev_key_size = ops->get_rxfh_key_size(dev);
732 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
734 user_indir_size = rxfh.indir_size;
735 user_key_size = rxfh.key_size;
737 /* Check that reserved fields are 0 for now */
738 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
739 rxfh.rsvd8[2] || rxfh.rsvd32)
742 rxfh.indir_size = dev_indir_size;
743 rxfh.key_size = dev_key_size;
744 if (copy_to_user(useraddr, &rxfh, sizeof(rxfh)))
747 if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
748 (user_key_size && (user_key_size != dev_key_size)))
751 indir_bytes = user_indir_size * sizeof(indir[0]);
752 total_size = indir_bytes + user_key_size;
753 rss_config = kzalloc(total_size, GFP_USER);
758 indir = (u32 *)rss_config;
761 hkey = rss_config + indir_bytes;
763 ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc);
767 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc),
768 &dev_hfunc, sizeof(rxfh.hfunc))) {
770 } else if (copy_to_user(useraddr +
771 offsetof(struct ethtool_rxfh, rss_config[0]),
772 rss_config, total_size)) {
781 static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
782 void __user *useraddr)
785 const struct ethtool_ops *ops = dev->ethtool_ops;
786 struct ethtool_rxnfc rx_rings;
787 struct ethtool_rxfh rxfh;
788 u32 dev_indir_size = 0, dev_key_size = 0, i;
789 u32 *indir = NULL, indir_bytes = 0;
792 u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
794 if (!ops->get_rxnfc || !ops->set_rxfh)
797 if (ops->get_rxfh_indir_size)
798 dev_indir_size = ops->get_rxfh_indir_size(dev);
799 if (ops->get_rxfh_key_size)
800 dev_key_size = ops->get_rxfh_key_size(dev);
802 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
805 /* Check that reserved fields are 0 for now */
806 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
807 rxfh.rsvd8[2] || rxfh.rsvd32)
810 /* If either indir, hash key or function is valid, proceed further.
811 * Must request at least one change: indir size, hash key or function.
813 if ((rxfh.indir_size &&
814 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
815 rxfh.indir_size != dev_indir_size) ||
816 (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
817 (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
818 rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE))
821 if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
822 indir_bytes = dev_indir_size * sizeof(indir[0]);
824 rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER);
828 rx_rings.cmd = ETHTOOL_GRXRINGS;
829 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
833 /* rxfh.indir_size == 0 means reset the indir table to default.
834 * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged.
836 if (rxfh.indir_size &&
837 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) {
838 indir = (u32 *)rss_config;
839 ret = ethtool_copy_validate_indir(indir,
840 useraddr + rss_cfg_offset,
845 } else if (rxfh.indir_size == 0) {
846 indir = (u32 *)rss_config;
847 for (i = 0; i < dev_indir_size; i++)
848 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
852 hkey = rss_config + indir_bytes;
853 if (copy_from_user(hkey,
854 useraddr + rss_cfg_offset + indir_bytes,
861 ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc);
868 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
870 struct ethtool_regs regs;
871 const struct ethtool_ops *ops = dev->ethtool_ops;
875 if (!ops->get_regs || !ops->get_regs_len)
878 if (copy_from_user(®s, useraddr, sizeof(regs)))
881 reglen = ops->get_regs_len(dev);
882 if (regs.len > reglen)
885 regbuf = vzalloc(reglen);
886 if (reglen && !regbuf)
889 ops->get_regs(dev, ®s, regbuf);
892 if (copy_to_user(useraddr, ®s, sizeof(regs)))
894 useraddr += offsetof(struct ethtool_regs, data);
895 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
904 static int ethtool_reset(struct net_device *dev, char __user *useraddr)
906 struct ethtool_value reset;
909 if (!dev->ethtool_ops->reset)
912 if (copy_from_user(&reset, useraddr, sizeof(reset)))
915 ret = dev->ethtool_ops->reset(dev, &reset.data);
919 if (copy_to_user(useraddr, &reset, sizeof(reset)))
924 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
926 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
928 if (!dev->ethtool_ops->get_wol)
931 dev->ethtool_ops->get_wol(dev, &wol);
933 if (copy_to_user(useraddr, &wol, sizeof(wol)))
938 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
940 struct ethtool_wolinfo wol;
942 if (!dev->ethtool_ops->set_wol)
945 if (copy_from_user(&wol, useraddr, sizeof(wol)))
948 return dev->ethtool_ops->set_wol(dev, &wol);
951 static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
953 struct ethtool_eee edata;
956 if (!dev->ethtool_ops->get_eee)
959 memset(&edata, 0, sizeof(struct ethtool_eee));
960 edata.cmd = ETHTOOL_GEEE;
961 rc = dev->ethtool_ops->get_eee(dev, &edata);
966 if (copy_to_user(useraddr, &edata, sizeof(edata)))
972 static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
974 struct ethtool_eee edata;
976 if (!dev->ethtool_ops->set_eee)
979 if (copy_from_user(&edata, useraddr, sizeof(edata)))
982 return dev->ethtool_ops->set_eee(dev, &edata);
985 static int ethtool_nway_reset(struct net_device *dev)
987 if (!dev->ethtool_ops->nway_reset)
990 return dev->ethtool_ops->nway_reset(dev);
993 static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
995 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
997 if (!dev->ethtool_ops->get_link)
1000 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
1002 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1007 static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
1008 int (*getter)(struct net_device *,
1009 struct ethtool_eeprom *, u8 *),
1012 struct ethtool_eeprom eeprom;
1013 void __user *userbuf = useraddr + sizeof(eeprom);
1014 u32 bytes_remaining;
1018 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1021 /* Check for wrap and zero */
1022 if (eeprom.offset + eeprom.len <= eeprom.offset)
1025 /* Check for exceeding total eeprom len */
1026 if (eeprom.offset + eeprom.len > total_len)
1029 data = kmalloc(PAGE_SIZE, GFP_USER);
1033 bytes_remaining = eeprom.len;
1034 while (bytes_remaining > 0) {
1035 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1037 ret = getter(dev, &eeprom, data);
1040 if (copy_to_user(userbuf, data, eeprom.len)) {
1044 userbuf += eeprom.len;
1045 eeprom.offset += eeprom.len;
1046 bytes_remaining -= eeprom.len;
1049 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1050 eeprom.offset -= eeprom.len;
1051 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1058 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1060 const struct ethtool_ops *ops = dev->ethtool_ops;
1062 if (!ops->get_eeprom || !ops->get_eeprom_len ||
1063 !ops->get_eeprom_len(dev))
1066 return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom,
1067 ops->get_eeprom_len(dev));
1070 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1072 struct ethtool_eeprom eeprom;
1073 const struct ethtool_ops *ops = dev->ethtool_ops;
1074 void __user *userbuf = useraddr + sizeof(eeprom);
1075 u32 bytes_remaining;
1079 if (!ops->set_eeprom || !ops->get_eeprom_len ||
1080 !ops->get_eeprom_len(dev))
1083 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1086 /* Check for wrap and zero */
1087 if (eeprom.offset + eeprom.len <= eeprom.offset)
1090 /* Check for exceeding total eeprom len */
1091 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1094 data = kmalloc(PAGE_SIZE, GFP_USER);
1098 bytes_remaining = eeprom.len;
1099 while (bytes_remaining > 0) {
1100 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1102 if (copy_from_user(data, userbuf, eeprom.len)) {
1106 ret = ops->set_eeprom(dev, &eeprom, data);
1109 userbuf += eeprom.len;
1110 eeprom.offset += eeprom.len;
1111 bytes_remaining -= eeprom.len;
1118 static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1119 void __user *useraddr)
1121 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1123 if (!dev->ethtool_ops->get_coalesce)
1126 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1128 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1133 static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1134 void __user *useraddr)
1136 struct ethtool_coalesce coalesce;
1138 if (!dev->ethtool_ops->set_coalesce)
1141 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1144 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1147 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1149 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1151 if (!dev->ethtool_ops->get_ringparam)
1154 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1156 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1161 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1163 struct ethtool_ringparam ringparam;
1165 if (!dev->ethtool_ops->set_ringparam)
1168 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1171 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1174 static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1175 void __user *useraddr)
1177 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1179 if (!dev->ethtool_ops->get_channels)
1182 dev->ethtool_ops->get_channels(dev, &channels);
1184 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1189 static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1190 void __user *useraddr)
1192 struct ethtool_channels channels;
1194 if (!dev->ethtool_ops->set_channels)
1197 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1200 return dev->ethtool_ops->set_channels(dev, &channels);
1203 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1205 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1207 if (!dev->ethtool_ops->get_pauseparam)
1210 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1212 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1217 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1219 struct ethtool_pauseparam pauseparam;
1221 if (!dev->ethtool_ops->set_pauseparam)
1224 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1227 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1230 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1232 struct ethtool_test test;
1233 const struct ethtool_ops *ops = dev->ethtool_ops;
1237 if (!ops->self_test || !ops->get_sset_count)
1240 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1243 WARN_ON(test_len == 0);
1245 if (copy_from_user(&test, useraddr, sizeof(test)))
1248 test.len = test_len;
1249 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1253 ops->self_test(dev, &test, data);
1256 if (copy_to_user(useraddr, &test, sizeof(test)))
1258 useraddr += sizeof(test);
1259 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1268 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1270 struct ethtool_gstrings gstrings;
1274 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1277 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
1283 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
1287 __ethtool_get_strings(dev, gstrings.string_set, data);
1290 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1292 useraddr += sizeof(gstrings);
1293 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1302 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1304 struct ethtool_value id;
1306 const struct ethtool_ops *ops = dev->ethtool_ops;
1309 if (!ops->set_phys_id)
1315 if (copy_from_user(&id, useraddr, sizeof(id)))
1318 rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
1322 /* Drop the RTNL lock while waiting, but prevent reentry or
1323 * removal of the device.
1330 /* Driver will handle this itself */
1331 schedule_timeout_interruptible(
1332 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
1334 /* Driver expects to be called at twice the frequency in rc */
1335 int n = rc * 2, i, interval = HZ / n;
1337 /* Count down seconds */
1339 /* Count down iterations per second */
1343 rc = ops->set_phys_id(dev,
1344 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1348 schedule_timeout_interruptible(interval);
1349 } while (!signal_pending(current) && --i != 0);
1350 } while (!signal_pending(current) &&
1351 (id.data == 0 || --id.data != 0));
1358 (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
1362 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1364 struct ethtool_stats stats;
1365 const struct ethtool_ops *ops = dev->ethtool_ops;
1369 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1372 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1375 WARN_ON(n_stats == 0);
1377 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1380 stats.n_stats = n_stats;
1381 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1385 ops->get_ethtool_stats(dev, &stats, data);
1388 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1390 useraddr += sizeof(stats);
1391 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1400 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1402 struct ethtool_perm_addr epaddr;
1404 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1407 if (epaddr.size < dev->addr_len)
1409 epaddr.size = dev->addr_len;
1411 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1413 useraddr += sizeof(epaddr);
1414 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1419 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1420 u32 cmd, u32 (*actor)(struct net_device *))
1422 struct ethtool_value edata = { .cmd = cmd };
1427 edata.data = actor(dev);
1429 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1434 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1435 void (*actor)(struct net_device *, u32))
1437 struct ethtool_value edata;
1442 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1445 actor(dev, edata.data);
1449 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1450 int (*actor)(struct net_device *, u32))
1452 struct ethtool_value edata;
1457 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1460 return actor(dev, edata.data);
1463 static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1464 char __user *useraddr)
1466 struct ethtool_flash efl;
1468 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1471 if (!dev->ethtool_ops->flash_device)
1474 efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
1476 return dev->ethtool_ops->flash_device(dev, &efl);
1479 static int ethtool_set_dump(struct net_device *dev,
1480 void __user *useraddr)
1482 struct ethtool_dump dump;
1484 if (!dev->ethtool_ops->set_dump)
1487 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1490 return dev->ethtool_ops->set_dump(dev, &dump);
1493 static int ethtool_get_dump_flag(struct net_device *dev,
1494 void __user *useraddr)
1497 struct ethtool_dump dump;
1498 const struct ethtool_ops *ops = dev->ethtool_ops;
1500 if (!ops->get_dump_flag)
1503 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1506 ret = ops->get_dump_flag(dev, &dump);
1510 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1515 static int ethtool_get_dump_data(struct net_device *dev,
1516 void __user *useraddr)
1520 struct ethtool_dump dump, tmp;
1521 const struct ethtool_ops *ops = dev->ethtool_ops;
1524 if (!ops->get_dump_data || !ops->get_dump_flag)
1527 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1530 memset(&tmp, 0, sizeof(tmp));
1531 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1532 ret = ops->get_dump_flag(dev, &tmp);
1536 len = min(tmp.len, dump.len);
1540 /* Don't ever let the driver think there's more space available
1541 * than it requested with .get_dump_flag().
1545 /* Always allocate enough space to hold the whole thing so that the
1546 * driver does not need to check the length and bother with partial
1549 data = vzalloc(tmp.len);
1552 ret = ops->get_dump_data(dev, &dump, data);
1556 /* There are two sane possibilities:
1557 * 1. The driver's .get_dump_data() does not touch dump.len.
1558 * 2. Or it may set dump.len to how much it really writes, which
1559 * should be tmp.len (or len if it can do a partial dump).
1560 * In any case respond to userspace with the actual length of data
1563 WARN_ON(dump.len != len && dump.len != tmp.len);
1566 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1570 useraddr += offsetof(struct ethtool_dump, data);
1571 if (copy_to_user(useraddr, data, len))
1578 static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
1581 struct ethtool_ts_info info;
1582 const struct ethtool_ops *ops = dev->ethtool_ops;
1583 struct phy_device *phydev = dev->phydev;
1585 memset(&info, 0, sizeof(info));
1586 info.cmd = ETHTOOL_GET_TS_INFO;
1588 if (phydev && phydev->drv && phydev->drv->ts_info) {
1589 err = phydev->drv->ts_info(phydev, &info);
1590 } else if (ops->get_ts_info) {
1591 err = ops->get_ts_info(dev, &info);
1593 info.so_timestamping =
1594 SOF_TIMESTAMPING_RX_SOFTWARE |
1595 SOF_TIMESTAMPING_SOFTWARE;
1596 info.phc_index = -1;
1602 if (copy_to_user(useraddr, &info, sizeof(info)))
1608 static int __ethtool_get_module_info(struct net_device *dev,
1609 struct ethtool_modinfo *modinfo)
1611 const struct ethtool_ops *ops = dev->ethtool_ops;
1612 struct phy_device *phydev = dev->phydev;
1614 if (phydev && phydev->drv && phydev->drv->module_info)
1615 return phydev->drv->module_info(phydev, modinfo);
1617 if (ops->get_module_info)
1618 return ops->get_module_info(dev, modinfo);
1623 static int ethtool_get_module_info(struct net_device *dev,
1624 void __user *useraddr)
1627 struct ethtool_modinfo modinfo;
1629 if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
1632 ret = __ethtool_get_module_info(dev, &modinfo);
1636 if (copy_to_user(useraddr, &modinfo, sizeof(modinfo)))
1642 static int __ethtool_get_module_eeprom(struct net_device *dev,
1643 struct ethtool_eeprom *ee, u8 *data)
1645 const struct ethtool_ops *ops = dev->ethtool_ops;
1646 struct phy_device *phydev = dev->phydev;
1648 if (phydev && phydev->drv && phydev->drv->module_eeprom)
1649 return phydev->drv->module_eeprom(phydev, ee, data);
1651 if (ops->get_module_eeprom)
1652 return ops->get_module_eeprom(dev, ee, data);
1657 static int ethtool_get_module_eeprom(struct net_device *dev,
1658 void __user *useraddr)
1661 struct ethtool_modinfo modinfo;
1663 ret = __ethtool_get_module_info(dev, &modinfo);
1667 return ethtool_get_any_eeprom(dev, useraddr,
1668 __ethtool_get_module_eeprom,
1669 modinfo.eeprom_len);
1672 static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
1675 case ETHTOOL_RX_COPYBREAK:
1676 case ETHTOOL_TX_COPYBREAK:
1677 if (tuna->len != sizeof(u32) ||
1678 tuna->type_id != ETHTOOL_TUNABLE_U32)
1688 static int ethtool_get_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->get_tunable)
1697 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1699 ret = ethtool_tunable_valid(&tuna);
1702 data = kmalloc(tuna.len, GFP_USER);
1705 ret = ops->get_tunable(dev, &tuna, data);
1708 useraddr += sizeof(tuna);
1710 if (copy_to_user(useraddr, data, tuna.len))
1719 static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr)
1722 struct ethtool_tunable tuna;
1723 const struct ethtool_ops *ops = dev->ethtool_ops;
1726 if (!ops->set_tunable)
1728 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1730 ret = ethtool_tunable_valid(&tuna);
1733 data = kmalloc(tuna.len, GFP_USER);
1736 useraddr += sizeof(tuna);
1738 if (copy_from_user(data, useraddr, tuna.len))
1740 ret = ops->set_tunable(dev, &tuna, data);
1747 /* The main entry point in this file. Called from net/core/dev_ioctl.c */
1749 int dev_ethtool(struct net *net, struct ifreq *ifr)
1751 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1752 void __user *useraddr = ifr->ifr_data;
1755 netdev_features_t old_features;
1757 if (!dev || !netif_device_present(dev))
1760 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
1763 /* Allow some commands to be done by anyone */
1766 case ETHTOOL_GDRVINFO:
1767 case ETHTOOL_GMSGLVL:
1769 case ETHTOOL_GCOALESCE:
1770 case ETHTOOL_GRINGPARAM:
1771 case ETHTOOL_GPAUSEPARAM:
1772 case ETHTOOL_GRXCSUM:
1773 case ETHTOOL_GTXCSUM:
1775 case ETHTOOL_GSSET_INFO:
1776 case ETHTOOL_GSTRINGS:
1777 case ETHTOOL_GSTATS:
1779 case ETHTOOL_GPERMADDR:
1783 case ETHTOOL_GFLAGS:
1784 case ETHTOOL_GPFLAGS:
1786 case ETHTOOL_GRXRINGS:
1787 case ETHTOOL_GRXCLSRLCNT:
1788 case ETHTOOL_GRXCLSRULE:
1789 case ETHTOOL_GRXCLSRLALL:
1790 case ETHTOOL_GRXFHINDIR:
1792 case ETHTOOL_GFEATURES:
1793 case ETHTOOL_GCHANNELS:
1794 case ETHTOOL_GET_TS_INFO:
1796 case ETHTOOL_GTUNABLE:
1799 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
1803 if (dev->ethtool_ops->begin) {
1804 rc = dev->ethtool_ops->begin(dev);
1808 old_features = dev->features;
1812 rc = ethtool_get_settings(dev, useraddr);
1815 rc = ethtool_set_settings(dev, useraddr);
1817 case ETHTOOL_GDRVINFO:
1818 rc = ethtool_get_drvinfo(dev, useraddr);
1821 rc = ethtool_get_regs(dev, useraddr);
1824 rc = ethtool_get_wol(dev, useraddr);
1827 rc = ethtool_set_wol(dev, useraddr);
1829 case ETHTOOL_GMSGLVL:
1830 rc = ethtool_get_value(dev, useraddr, ethcmd,
1831 dev->ethtool_ops->get_msglevel);
1833 case ETHTOOL_SMSGLVL:
1834 rc = ethtool_set_value_void(dev, useraddr,
1835 dev->ethtool_ops->set_msglevel);
1838 rc = ethtool_get_eee(dev, useraddr);
1841 rc = ethtool_set_eee(dev, useraddr);
1843 case ETHTOOL_NWAY_RST:
1844 rc = ethtool_nway_reset(dev);
1847 rc = ethtool_get_link(dev, useraddr);
1849 case ETHTOOL_GEEPROM:
1850 rc = ethtool_get_eeprom(dev, useraddr);
1852 case ETHTOOL_SEEPROM:
1853 rc = ethtool_set_eeprom(dev, useraddr);
1855 case ETHTOOL_GCOALESCE:
1856 rc = ethtool_get_coalesce(dev, useraddr);
1858 case ETHTOOL_SCOALESCE:
1859 rc = ethtool_set_coalesce(dev, useraddr);
1861 case ETHTOOL_GRINGPARAM:
1862 rc = ethtool_get_ringparam(dev, useraddr);
1864 case ETHTOOL_SRINGPARAM:
1865 rc = ethtool_set_ringparam(dev, useraddr);
1867 case ETHTOOL_GPAUSEPARAM:
1868 rc = ethtool_get_pauseparam(dev, useraddr);
1870 case ETHTOOL_SPAUSEPARAM:
1871 rc = ethtool_set_pauseparam(dev, useraddr);
1874 rc = ethtool_self_test(dev, useraddr);
1876 case ETHTOOL_GSTRINGS:
1877 rc = ethtool_get_strings(dev, useraddr);
1879 case ETHTOOL_PHYS_ID:
1880 rc = ethtool_phys_id(dev, useraddr);
1882 case ETHTOOL_GSTATS:
1883 rc = ethtool_get_stats(dev, useraddr);
1885 case ETHTOOL_GPERMADDR:
1886 rc = ethtool_get_perm_addr(dev, useraddr);
1888 case ETHTOOL_GFLAGS:
1889 rc = ethtool_get_value(dev, useraddr, ethcmd,
1890 __ethtool_get_flags);
1892 case ETHTOOL_SFLAGS:
1893 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
1895 case ETHTOOL_GPFLAGS:
1896 rc = ethtool_get_value(dev, useraddr, ethcmd,
1897 dev->ethtool_ops->get_priv_flags);
1899 case ETHTOOL_SPFLAGS:
1900 rc = ethtool_set_value(dev, useraddr,
1901 dev->ethtool_ops->set_priv_flags);
1904 case ETHTOOL_GRXRINGS:
1905 case ETHTOOL_GRXCLSRLCNT:
1906 case ETHTOOL_GRXCLSRULE:
1907 case ETHTOOL_GRXCLSRLALL:
1908 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
1911 case ETHTOOL_SRXCLSRLDEL:
1912 case ETHTOOL_SRXCLSRLINS:
1913 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
1915 case ETHTOOL_FLASHDEV:
1916 rc = ethtool_flash_device(dev, useraddr);
1919 rc = ethtool_reset(dev, useraddr);
1921 case ETHTOOL_GSSET_INFO:
1922 rc = ethtool_get_sset_info(dev, useraddr);
1924 case ETHTOOL_GRXFHINDIR:
1925 rc = ethtool_get_rxfh_indir(dev, useraddr);
1927 case ETHTOOL_SRXFHINDIR:
1928 rc = ethtool_set_rxfh_indir(dev, useraddr);
1931 rc = ethtool_get_rxfh(dev, useraddr);
1934 rc = ethtool_set_rxfh(dev, useraddr);
1936 case ETHTOOL_GFEATURES:
1937 rc = ethtool_get_features(dev, useraddr);
1939 case ETHTOOL_SFEATURES:
1940 rc = ethtool_set_features(dev, useraddr);
1942 case ETHTOOL_GTXCSUM:
1943 case ETHTOOL_GRXCSUM:
1949 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1951 case ETHTOOL_STXCSUM:
1952 case ETHTOOL_SRXCSUM:
1958 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1960 case ETHTOOL_GCHANNELS:
1961 rc = ethtool_get_channels(dev, useraddr);
1963 case ETHTOOL_SCHANNELS:
1964 rc = ethtool_set_channels(dev, useraddr);
1966 case ETHTOOL_SET_DUMP:
1967 rc = ethtool_set_dump(dev, useraddr);
1969 case ETHTOOL_GET_DUMP_FLAG:
1970 rc = ethtool_get_dump_flag(dev, useraddr);
1972 case ETHTOOL_GET_DUMP_DATA:
1973 rc = ethtool_get_dump_data(dev, useraddr);
1975 case ETHTOOL_GET_TS_INFO:
1976 rc = ethtool_get_ts_info(dev, useraddr);
1978 case ETHTOOL_GMODULEINFO:
1979 rc = ethtool_get_module_info(dev, useraddr);
1981 case ETHTOOL_GMODULEEEPROM:
1982 rc = ethtool_get_module_eeprom(dev, useraddr);
1984 case ETHTOOL_GTUNABLE:
1985 rc = ethtool_get_tunable(dev, useraddr);
1987 case ETHTOOL_STUNABLE:
1988 rc = ethtool_set_tunable(dev, useraddr);
1994 if (dev->ethtool_ops->complete)
1995 dev->ethtool_ops->complete(dev);
1997 if (old_features != dev->features)
1998 netdev_features_change(dev);