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",
110 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
111 [ETHTOOL_ID_UNSPEC] = "Unspec",
112 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
113 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
116 static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
118 struct ethtool_gfeatures cmd = {
119 .cmd = ETHTOOL_GFEATURES,
120 .size = ETHTOOL_DEV_FEATURE_WORDS,
122 struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
123 u32 __user *sizeaddr;
127 /* in case feature bits run out again */
128 BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t));
130 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
131 features[i].available = (u32)(dev->hw_features >> (32 * i));
132 features[i].requested = (u32)(dev->wanted_features >> (32 * i));
133 features[i].active = (u32)(dev->features >> (32 * i));
134 features[i].never_changed =
135 (u32)(NETIF_F_NEVER_CHANGE >> (32 * i));
138 sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
139 if (get_user(copy_size, sizeaddr))
142 if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
143 copy_size = ETHTOOL_DEV_FEATURE_WORDS;
145 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
147 useraddr += sizeof(cmd);
148 if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
154 static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
156 struct ethtool_sfeatures cmd;
157 struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
158 netdev_features_t wanted = 0, valid = 0;
161 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
163 useraddr += sizeof(cmd);
165 if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
168 if (copy_from_user(features, useraddr, sizeof(features)))
171 for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
172 valid |= (netdev_features_t)features[i].valid << (32 * i);
173 wanted |= (netdev_features_t)features[i].requested << (32 * i);
176 if (valid & ~NETIF_F_ETHTOOL_BITS)
179 if (valid & ~dev->hw_features) {
180 valid &= dev->hw_features;
181 ret |= ETHTOOL_F_UNSUPPORTED;
184 dev->wanted_features &= ~valid;
185 dev->wanted_features |= wanted & valid;
186 __netdev_update_features(dev);
188 if ((dev->wanted_features ^ dev->features) & valid)
189 ret |= ETHTOOL_F_WISH;
194 static int __ethtool_get_sset_count(struct net_device *dev, int sset)
196 const struct ethtool_ops *ops = dev->ethtool_ops;
198 if (sset == ETH_SS_FEATURES)
199 return ARRAY_SIZE(netdev_features_strings);
201 if (sset == ETH_SS_RSS_HASH_FUNCS)
202 return ARRAY_SIZE(rss_hash_func_strings);
204 if (sset == ETH_SS_TUNABLES)
205 return ARRAY_SIZE(tunable_strings);
207 if (ops->get_sset_count && ops->get_strings)
208 return ops->get_sset_count(dev, sset);
213 static void __ethtool_get_strings(struct net_device *dev,
214 u32 stringset, u8 *data)
216 const struct ethtool_ops *ops = dev->ethtool_ops;
218 if (stringset == ETH_SS_FEATURES)
219 memcpy(data, netdev_features_strings,
220 sizeof(netdev_features_strings));
221 else if (stringset == ETH_SS_RSS_HASH_FUNCS)
222 memcpy(data, rss_hash_func_strings,
223 sizeof(rss_hash_func_strings));
224 else if (stringset == ETH_SS_TUNABLES)
225 memcpy(data, tunable_strings, sizeof(tunable_strings));
227 /* ops->get_strings is valid because checked earlier */
228 ops->get_strings(dev, stringset, data);
231 static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd)
233 /* feature masks of legacy discrete ethtool ops */
236 case ETHTOOL_GTXCSUM:
237 case ETHTOOL_STXCSUM:
238 return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
239 case ETHTOOL_GRXCSUM:
240 case ETHTOOL_SRXCSUM:
241 return NETIF_F_RXCSUM;
247 return NETIF_F_ALL_TSO;
262 static int ethtool_get_one_feature(struct net_device *dev,
263 char __user *useraddr, u32 ethcmd)
265 netdev_features_t mask = ethtool_get_feature_mask(ethcmd);
266 struct ethtool_value edata = {
268 .data = !!(dev->features & mask),
271 if (copy_to_user(useraddr, &edata, sizeof(edata)))
276 static int ethtool_set_one_feature(struct net_device *dev,
277 void __user *useraddr, u32 ethcmd)
279 struct ethtool_value edata;
280 netdev_features_t mask;
282 if (copy_from_user(&edata, useraddr, sizeof(edata)))
285 mask = ethtool_get_feature_mask(ethcmd);
286 mask &= dev->hw_features;
291 dev->wanted_features |= mask;
293 dev->wanted_features &= ~mask;
295 __netdev_update_features(dev);
300 #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
301 ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
302 #define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \
303 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \
306 static u32 __ethtool_get_flags(struct net_device *dev)
310 if (dev->features & NETIF_F_LRO)
311 flags |= ETH_FLAG_LRO;
312 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
313 flags |= ETH_FLAG_RXVLAN;
314 if (dev->features & NETIF_F_HW_VLAN_CTAG_TX)
315 flags |= ETH_FLAG_TXVLAN;
316 if (dev->features & NETIF_F_NTUPLE)
317 flags |= ETH_FLAG_NTUPLE;
318 if (dev->features & NETIF_F_RXHASH)
319 flags |= ETH_FLAG_RXHASH;
324 static int __ethtool_set_flags(struct net_device *dev, u32 data)
326 netdev_features_t features = 0, changed;
328 if (data & ~ETH_ALL_FLAGS)
331 if (data & ETH_FLAG_LRO)
332 features |= NETIF_F_LRO;
333 if (data & ETH_FLAG_RXVLAN)
334 features |= NETIF_F_HW_VLAN_CTAG_RX;
335 if (data & ETH_FLAG_TXVLAN)
336 features |= NETIF_F_HW_VLAN_CTAG_TX;
337 if (data & ETH_FLAG_NTUPLE)
338 features |= NETIF_F_NTUPLE;
339 if (data & ETH_FLAG_RXHASH)
340 features |= NETIF_F_RXHASH;
342 /* allow changing only bits set in hw_features */
343 changed = (features ^ dev->features) & ETH_ALL_FEATURES;
344 if (changed & ~dev->hw_features)
345 return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
347 dev->wanted_features =
348 (dev->wanted_features & ~changed) | (features & changed);
350 __netdev_update_features(dev);
355 int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
359 if (!dev->ethtool_ops->get_settings)
362 memset(cmd, 0, sizeof(struct ethtool_cmd));
363 cmd->cmd = ETHTOOL_GSET;
364 return dev->ethtool_ops->get_settings(dev, cmd);
366 EXPORT_SYMBOL(__ethtool_get_settings);
368 static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
371 struct ethtool_cmd cmd;
373 err = __ethtool_get_settings(dev, &cmd);
377 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
382 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
384 struct ethtool_cmd cmd;
386 if (!dev->ethtool_ops->set_settings)
389 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
392 return dev->ethtool_ops->set_settings(dev, &cmd);
395 static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
396 void __user *useraddr)
398 struct ethtool_drvinfo info;
399 const struct ethtool_ops *ops = dev->ethtool_ops;
401 memset(&info, 0, sizeof(info));
402 info.cmd = ETHTOOL_GDRVINFO;
403 if (ops->get_drvinfo) {
404 ops->get_drvinfo(dev, &info);
405 } else if (dev->dev.parent && dev->dev.parent->driver) {
406 strlcpy(info.bus_info, dev_name(dev->dev.parent),
407 sizeof(info.bus_info));
408 strlcpy(info.driver, dev->dev.parent->driver->name,
409 sizeof(info.driver));
415 * this method of obtaining string set info is deprecated;
416 * Use ETHTOOL_GSSET_INFO instead.
418 if (ops->get_sset_count) {
421 rc = ops->get_sset_count(dev, ETH_SS_TEST);
423 info.testinfo_len = rc;
424 rc = ops->get_sset_count(dev, ETH_SS_STATS);
427 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
429 info.n_priv_flags = rc;
431 if (ops->get_regs_len)
432 info.regdump_len = ops->get_regs_len(dev);
433 if (ops->get_eeprom_len)
434 info.eedump_len = ops->get_eeprom_len(dev);
436 if (copy_to_user(useraddr, &info, sizeof(info)))
441 static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
442 void __user *useraddr)
444 struct ethtool_sset_info info;
446 int i, idx = 0, n_bits = 0, ret, rc;
447 u32 *info_buf = NULL;
449 if (copy_from_user(&info, useraddr, sizeof(info)))
452 /* store copy of mask, because we zero struct later on */
453 sset_mask = info.sset_mask;
457 /* calculate size of return buffer */
458 n_bits = hweight64(sset_mask);
460 memset(&info, 0, sizeof(info));
461 info.cmd = ETHTOOL_GSSET_INFO;
463 info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
468 * fill return buffer based on input bitmask and successful
469 * get_sset_count return
471 for (i = 0; i < 64; i++) {
472 if (!(sset_mask & (1ULL << i)))
475 rc = __ethtool_get_sset_count(dev, i);
477 info.sset_mask |= (1ULL << i);
478 info_buf[idx++] = rc;
483 if (copy_to_user(useraddr, &info, sizeof(info)))
486 useraddr += offsetof(struct ethtool_sset_info, data);
487 if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
497 static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
498 u32 cmd, void __user *useraddr)
500 struct ethtool_rxnfc info;
501 size_t info_size = sizeof(info);
504 if (!dev->ethtool_ops->set_rxnfc)
507 /* struct ethtool_rxnfc was originally defined for
508 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
509 * members. User-space might still be using that
511 if (cmd == ETHTOOL_SRXFH)
512 info_size = (offsetof(struct ethtool_rxnfc, data) +
515 if (copy_from_user(&info, useraddr, info_size))
518 rc = dev->ethtool_ops->set_rxnfc(dev, &info);
522 if (cmd == ETHTOOL_SRXCLSRLINS &&
523 copy_to_user(useraddr, &info, info_size))
529 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
530 u32 cmd, void __user *useraddr)
532 struct ethtool_rxnfc info;
533 size_t info_size = sizeof(info);
534 const struct ethtool_ops *ops = dev->ethtool_ops;
536 void *rule_buf = NULL;
541 /* struct ethtool_rxnfc was originally defined for
542 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
543 * members. User-space might still be using that
545 if (cmd == ETHTOOL_GRXFH)
546 info_size = (offsetof(struct ethtool_rxnfc, data) +
549 if (copy_from_user(&info, useraddr, info_size))
552 if (info.cmd == ETHTOOL_GRXCLSRLALL) {
553 if (info.rule_cnt > 0) {
554 if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
555 rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
562 ret = ops->get_rxnfc(dev, &info, rule_buf);
567 if (copy_to_user(useraddr, &info, info_size))
571 useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
572 if (copy_to_user(useraddr, rule_buf,
573 info.rule_cnt * sizeof(u32)))
584 static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
585 struct ethtool_rxnfc *rx_rings,
590 if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
593 /* Validate ring indices */
594 for (i = 0; i < size; i++)
595 if (indir[i] >= rx_rings->data)
601 u8 netdev_rss_key[NETDEV_RSS_KEY_LEN];
603 void netdev_rss_key_fill(void *buffer, size_t len)
605 BUG_ON(len > sizeof(netdev_rss_key));
606 net_get_random_once(netdev_rss_key, sizeof(netdev_rss_key));
607 memcpy(buffer, netdev_rss_key, len);
609 EXPORT_SYMBOL(netdev_rss_key_fill);
611 static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
612 void __user *useraddr)
614 u32 user_size, dev_size;
618 if (!dev->ethtool_ops->get_rxfh_indir_size ||
619 !dev->ethtool_ops->get_rxfh)
621 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
625 if (copy_from_user(&user_size,
626 useraddr + offsetof(struct ethtool_rxfh_indir, size),
630 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
631 &dev_size, sizeof(dev_size)))
634 /* If the user buffer size is 0, this is just a query for the
635 * device table size. Otherwise, if it's smaller than the
636 * device table size it's an error.
638 if (user_size < dev_size)
639 return user_size == 0 ? 0 : -EINVAL;
641 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
645 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
649 if (copy_to_user(useraddr +
650 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
651 indir, dev_size * sizeof(indir[0])))
659 static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
660 void __user *useraddr)
662 struct ethtool_rxnfc rx_rings;
663 u32 user_size, dev_size, i;
665 const struct ethtool_ops *ops = dev->ethtool_ops;
667 u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
669 if (!ops->get_rxfh_indir_size || !ops->set_rxfh ||
673 dev_size = ops->get_rxfh_indir_size(dev);
677 if (copy_from_user(&user_size,
678 useraddr + offsetof(struct ethtool_rxfh_indir, size),
682 if (user_size != 0 && user_size != dev_size)
685 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
689 rx_rings.cmd = ETHTOOL_GRXRINGS;
690 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
694 if (user_size == 0) {
695 for (i = 0; i < dev_size; i++)
696 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
698 ret = ethtool_copy_validate_indir(indir,
699 useraddr + ringidx_offset,
706 ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE);
713 static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
714 void __user *useraddr)
717 const struct ethtool_ops *ops = dev->ethtool_ops;
718 u32 user_indir_size, user_key_size;
719 u32 dev_indir_size = 0, dev_key_size = 0;
720 struct ethtool_rxfh rxfh;
731 if (ops->get_rxfh_indir_size)
732 dev_indir_size = ops->get_rxfh_indir_size(dev);
733 if (ops->get_rxfh_key_size)
734 dev_key_size = ops->get_rxfh_key_size(dev);
736 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
738 user_indir_size = rxfh.indir_size;
739 user_key_size = rxfh.key_size;
741 /* Check that reserved fields are 0 for now */
742 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
743 rxfh.rsvd8[2] || rxfh.rsvd32)
746 rxfh.indir_size = dev_indir_size;
747 rxfh.key_size = dev_key_size;
748 if (copy_to_user(useraddr, &rxfh, sizeof(rxfh)))
751 if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
752 (user_key_size && (user_key_size != dev_key_size)))
755 indir_bytes = user_indir_size * sizeof(indir[0]);
756 total_size = indir_bytes + user_key_size;
757 rss_config = kzalloc(total_size, GFP_USER);
762 indir = (u32 *)rss_config;
765 hkey = rss_config + indir_bytes;
767 ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc);
771 if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc),
772 &dev_hfunc, sizeof(rxfh.hfunc))) {
774 } else if (copy_to_user(useraddr +
775 offsetof(struct ethtool_rxfh, rss_config[0]),
776 rss_config, total_size)) {
785 static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
786 void __user *useraddr)
789 const struct ethtool_ops *ops = dev->ethtool_ops;
790 struct ethtool_rxnfc rx_rings;
791 struct ethtool_rxfh rxfh;
792 u32 dev_indir_size = 0, dev_key_size = 0, i;
793 u32 *indir = NULL, indir_bytes = 0;
796 u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
798 if (!ops->get_rxnfc || !ops->set_rxfh)
801 if (ops->get_rxfh_indir_size)
802 dev_indir_size = ops->get_rxfh_indir_size(dev);
803 if (ops->get_rxfh_key_size)
804 dev_key_size = ops->get_rxfh_key_size(dev);
806 if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
809 /* Check that reserved fields are 0 for now */
810 if (rxfh.rss_context || rxfh.rsvd8[0] || rxfh.rsvd8[1] ||
811 rxfh.rsvd8[2] || rxfh.rsvd32)
814 /* If either indir, hash key or function is valid, proceed further.
815 * Must request at least one change: indir size, hash key or function.
817 if ((rxfh.indir_size &&
818 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
819 rxfh.indir_size != dev_indir_size) ||
820 (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
821 (rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
822 rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE))
825 if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
826 indir_bytes = dev_indir_size * sizeof(indir[0]);
828 rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER);
832 rx_rings.cmd = ETHTOOL_GRXRINGS;
833 ret = ops->get_rxnfc(dev, &rx_rings, NULL);
837 /* rxfh.indir_size == 0 means reset the indir table to default.
838 * rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE means leave it unchanged.
840 if (rxfh.indir_size &&
841 rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) {
842 indir = (u32 *)rss_config;
843 ret = ethtool_copy_validate_indir(indir,
844 useraddr + rss_cfg_offset,
849 } else if (rxfh.indir_size == 0) {
850 indir = (u32 *)rss_config;
851 for (i = 0; i < dev_indir_size; i++)
852 indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
856 hkey = rss_config + indir_bytes;
857 if (copy_from_user(hkey,
858 useraddr + rss_cfg_offset + indir_bytes,
865 ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc);
872 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
874 struct ethtool_regs regs;
875 const struct ethtool_ops *ops = dev->ethtool_ops;
879 if (!ops->get_regs || !ops->get_regs_len)
882 if (copy_from_user(®s, useraddr, sizeof(regs)))
885 reglen = ops->get_regs_len(dev);
886 if (regs.len > reglen)
889 regbuf = vzalloc(reglen);
890 if (reglen && !regbuf)
893 ops->get_regs(dev, ®s, regbuf);
896 if (copy_to_user(useraddr, ®s, sizeof(regs)))
898 useraddr += offsetof(struct ethtool_regs, data);
899 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
908 static int ethtool_reset(struct net_device *dev, char __user *useraddr)
910 struct ethtool_value reset;
913 if (!dev->ethtool_ops->reset)
916 if (copy_from_user(&reset, useraddr, sizeof(reset)))
919 ret = dev->ethtool_ops->reset(dev, &reset.data);
923 if (copy_to_user(useraddr, &reset, sizeof(reset)))
928 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
930 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
932 if (!dev->ethtool_ops->get_wol)
935 dev->ethtool_ops->get_wol(dev, &wol);
937 if (copy_to_user(useraddr, &wol, sizeof(wol)))
942 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
944 struct ethtool_wolinfo wol;
946 if (!dev->ethtool_ops->set_wol)
949 if (copy_from_user(&wol, useraddr, sizeof(wol)))
952 return dev->ethtool_ops->set_wol(dev, &wol);
955 static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
957 struct ethtool_eee edata;
960 if (!dev->ethtool_ops->get_eee)
963 memset(&edata, 0, sizeof(struct ethtool_eee));
964 edata.cmd = ETHTOOL_GEEE;
965 rc = dev->ethtool_ops->get_eee(dev, &edata);
970 if (copy_to_user(useraddr, &edata, sizeof(edata)))
976 static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
978 struct ethtool_eee edata;
980 if (!dev->ethtool_ops->set_eee)
983 if (copy_from_user(&edata, useraddr, sizeof(edata)))
986 return dev->ethtool_ops->set_eee(dev, &edata);
989 static int ethtool_nway_reset(struct net_device *dev)
991 if (!dev->ethtool_ops->nway_reset)
994 return dev->ethtool_ops->nway_reset(dev);
997 static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
999 struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
1001 if (!dev->ethtool_ops->get_link)
1004 edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
1006 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1011 static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
1012 int (*getter)(struct net_device *,
1013 struct ethtool_eeprom *, u8 *),
1016 struct ethtool_eeprom eeprom;
1017 void __user *userbuf = useraddr + sizeof(eeprom);
1018 u32 bytes_remaining;
1022 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1025 /* Check for wrap and zero */
1026 if (eeprom.offset + eeprom.len <= eeprom.offset)
1029 /* Check for exceeding total eeprom len */
1030 if (eeprom.offset + eeprom.len > total_len)
1033 data = kmalloc(PAGE_SIZE, GFP_USER);
1037 bytes_remaining = eeprom.len;
1038 while (bytes_remaining > 0) {
1039 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1041 ret = getter(dev, &eeprom, data);
1044 if (copy_to_user(userbuf, data, eeprom.len)) {
1048 userbuf += eeprom.len;
1049 eeprom.offset += eeprom.len;
1050 bytes_remaining -= eeprom.len;
1053 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
1054 eeprom.offset -= eeprom.len;
1055 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
1062 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
1064 const struct ethtool_ops *ops = dev->ethtool_ops;
1066 if (!ops->get_eeprom || !ops->get_eeprom_len ||
1067 !ops->get_eeprom_len(dev))
1070 return ethtool_get_any_eeprom(dev, useraddr, ops->get_eeprom,
1071 ops->get_eeprom_len(dev));
1074 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
1076 struct ethtool_eeprom eeprom;
1077 const struct ethtool_ops *ops = dev->ethtool_ops;
1078 void __user *userbuf = useraddr + sizeof(eeprom);
1079 u32 bytes_remaining;
1083 if (!ops->set_eeprom || !ops->get_eeprom_len ||
1084 !ops->get_eeprom_len(dev))
1087 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
1090 /* Check for wrap and zero */
1091 if (eeprom.offset + eeprom.len <= eeprom.offset)
1094 /* Check for exceeding total eeprom len */
1095 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
1098 data = kmalloc(PAGE_SIZE, GFP_USER);
1102 bytes_remaining = eeprom.len;
1103 while (bytes_remaining > 0) {
1104 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
1106 if (copy_from_user(data, userbuf, eeprom.len)) {
1110 ret = ops->set_eeprom(dev, &eeprom, data);
1113 userbuf += eeprom.len;
1114 eeprom.offset += eeprom.len;
1115 bytes_remaining -= eeprom.len;
1122 static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
1123 void __user *useraddr)
1125 struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
1127 if (!dev->ethtool_ops->get_coalesce)
1130 dev->ethtool_ops->get_coalesce(dev, &coalesce);
1132 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
1137 static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
1138 void __user *useraddr)
1140 struct ethtool_coalesce coalesce;
1142 if (!dev->ethtool_ops->set_coalesce)
1145 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
1148 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
1151 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
1153 struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
1155 if (!dev->ethtool_ops->get_ringparam)
1158 dev->ethtool_ops->get_ringparam(dev, &ringparam);
1160 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
1165 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
1167 struct ethtool_ringparam ringparam;
1169 if (!dev->ethtool_ops->set_ringparam)
1172 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
1175 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
1178 static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
1179 void __user *useraddr)
1181 struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
1183 if (!dev->ethtool_ops->get_channels)
1186 dev->ethtool_ops->get_channels(dev, &channels);
1188 if (copy_to_user(useraddr, &channels, sizeof(channels)))
1193 static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
1194 void __user *useraddr)
1196 struct ethtool_channels channels;
1198 if (!dev->ethtool_ops->set_channels)
1201 if (copy_from_user(&channels, useraddr, sizeof(channels)))
1204 return dev->ethtool_ops->set_channels(dev, &channels);
1207 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
1209 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
1211 if (!dev->ethtool_ops->get_pauseparam)
1214 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
1216 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
1221 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
1223 struct ethtool_pauseparam pauseparam;
1225 if (!dev->ethtool_ops->set_pauseparam)
1228 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
1231 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
1234 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
1236 struct ethtool_test test;
1237 const struct ethtool_ops *ops = dev->ethtool_ops;
1241 if (!ops->self_test || !ops->get_sset_count)
1244 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
1247 WARN_ON(test_len == 0);
1249 if (copy_from_user(&test, useraddr, sizeof(test)))
1252 test.len = test_len;
1253 data = kmalloc(test_len * sizeof(u64), GFP_USER);
1257 ops->self_test(dev, &test, data);
1260 if (copy_to_user(useraddr, &test, sizeof(test)))
1262 useraddr += sizeof(test);
1263 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
1272 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
1274 struct ethtool_gstrings gstrings;
1278 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
1281 ret = __ethtool_get_sset_count(dev, gstrings.string_set);
1287 data = kcalloc(gstrings.len, ETH_GSTRING_LEN, GFP_USER);
1291 __ethtool_get_strings(dev, gstrings.string_set, data);
1294 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1296 useraddr += sizeof(gstrings);
1297 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1306 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
1308 struct ethtool_value id;
1310 const struct ethtool_ops *ops = dev->ethtool_ops;
1313 if (!ops->set_phys_id)
1319 if (copy_from_user(&id, useraddr, sizeof(id)))
1322 rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
1326 /* Drop the RTNL lock while waiting, but prevent reentry or
1327 * removal of the device.
1334 /* Driver will handle this itself */
1335 schedule_timeout_interruptible(
1336 id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
1338 /* Driver expects to be called at twice the frequency in rc */
1339 int n = rc * 2, i, interval = HZ / n;
1341 /* Count down seconds */
1343 /* Count down iterations per second */
1347 rc = ops->set_phys_id(dev,
1348 (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
1352 schedule_timeout_interruptible(interval);
1353 } while (!signal_pending(current) && --i != 0);
1354 } while (!signal_pending(current) &&
1355 (id.data == 0 || --id.data != 0));
1362 (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
1366 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
1368 struct ethtool_stats stats;
1369 const struct ethtool_ops *ops = dev->ethtool_ops;
1373 if (!ops->get_ethtool_stats || !ops->get_sset_count)
1376 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
1379 WARN_ON(n_stats == 0);
1381 if (copy_from_user(&stats, useraddr, sizeof(stats)))
1384 stats.n_stats = n_stats;
1385 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
1389 ops->get_ethtool_stats(dev, &stats, data);
1392 if (copy_to_user(useraddr, &stats, sizeof(stats)))
1394 useraddr += sizeof(stats);
1395 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
1404 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
1406 struct ethtool_perm_addr epaddr;
1408 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
1411 if (epaddr.size < dev->addr_len)
1413 epaddr.size = dev->addr_len;
1415 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
1417 useraddr += sizeof(epaddr);
1418 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
1423 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
1424 u32 cmd, u32 (*actor)(struct net_device *))
1426 struct ethtool_value edata = { .cmd = cmd };
1431 edata.data = actor(dev);
1433 if (copy_to_user(useraddr, &edata, sizeof(edata)))
1438 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
1439 void (*actor)(struct net_device *, u32))
1441 struct ethtool_value edata;
1446 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1449 actor(dev, edata.data);
1453 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
1454 int (*actor)(struct net_device *, u32))
1456 struct ethtool_value edata;
1461 if (copy_from_user(&edata, useraddr, sizeof(edata)))
1464 return actor(dev, edata.data);
1467 static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
1468 char __user *useraddr)
1470 struct ethtool_flash efl;
1472 if (copy_from_user(&efl, useraddr, sizeof(efl)))
1475 if (!dev->ethtool_ops->flash_device)
1478 efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
1480 return dev->ethtool_ops->flash_device(dev, &efl);
1483 static int ethtool_set_dump(struct net_device *dev,
1484 void __user *useraddr)
1486 struct ethtool_dump dump;
1488 if (!dev->ethtool_ops->set_dump)
1491 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1494 return dev->ethtool_ops->set_dump(dev, &dump);
1497 static int ethtool_get_dump_flag(struct net_device *dev,
1498 void __user *useraddr)
1501 struct ethtool_dump dump;
1502 const struct ethtool_ops *ops = dev->ethtool_ops;
1504 if (!ops->get_dump_flag)
1507 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1510 ret = ops->get_dump_flag(dev, &dump);
1514 if (copy_to_user(useraddr, &dump, sizeof(dump)))
1519 static int ethtool_get_dump_data(struct net_device *dev,
1520 void __user *useraddr)
1524 struct ethtool_dump dump, tmp;
1525 const struct ethtool_ops *ops = dev->ethtool_ops;
1528 if (!ops->get_dump_data || !ops->get_dump_flag)
1531 if (copy_from_user(&dump, useraddr, sizeof(dump)))
1534 memset(&tmp, 0, sizeof(tmp));
1535 tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
1536 ret = ops->get_dump_flag(dev, &tmp);
1540 len = min(tmp.len, dump.len);
1544 /* Don't ever let the driver think there's more space available
1545 * than it requested with .get_dump_flag().
1549 /* Always allocate enough space to hold the whole thing so that the
1550 * driver does not need to check the length and bother with partial
1553 data = vzalloc(tmp.len);
1556 ret = ops->get_dump_data(dev, &dump, data);
1560 /* There are two sane possibilities:
1561 * 1. The driver's .get_dump_data() does not touch dump.len.
1562 * 2. Or it may set dump.len to how much it really writes, which
1563 * should be tmp.len (or len if it can do a partial dump).
1564 * In any case respond to userspace with the actual length of data
1567 WARN_ON(dump.len != len && dump.len != tmp.len);
1570 if (copy_to_user(useraddr, &dump, sizeof(dump))) {
1574 useraddr += offsetof(struct ethtool_dump, data);
1575 if (copy_to_user(useraddr, data, len))
1582 static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
1585 struct ethtool_ts_info info;
1586 const struct ethtool_ops *ops = dev->ethtool_ops;
1587 struct phy_device *phydev = dev->phydev;
1589 memset(&info, 0, sizeof(info));
1590 info.cmd = ETHTOOL_GET_TS_INFO;
1592 if (phydev && phydev->drv && phydev->drv->ts_info) {
1593 err = phydev->drv->ts_info(phydev, &info);
1594 } else if (ops->get_ts_info) {
1595 err = ops->get_ts_info(dev, &info);
1597 info.so_timestamping =
1598 SOF_TIMESTAMPING_RX_SOFTWARE |
1599 SOF_TIMESTAMPING_SOFTWARE;
1600 info.phc_index = -1;
1606 if (copy_to_user(useraddr, &info, sizeof(info)))
1612 static int __ethtool_get_module_info(struct net_device *dev,
1613 struct ethtool_modinfo *modinfo)
1615 const struct ethtool_ops *ops = dev->ethtool_ops;
1616 struct phy_device *phydev = dev->phydev;
1618 if (phydev && phydev->drv && phydev->drv->module_info)
1619 return phydev->drv->module_info(phydev, modinfo);
1621 if (ops->get_module_info)
1622 return ops->get_module_info(dev, modinfo);
1627 static int ethtool_get_module_info(struct net_device *dev,
1628 void __user *useraddr)
1631 struct ethtool_modinfo modinfo;
1633 if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
1636 ret = __ethtool_get_module_info(dev, &modinfo);
1640 if (copy_to_user(useraddr, &modinfo, sizeof(modinfo)))
1646 static int __ethtool_get_module_eeprom(struct net_device *dev,
1647 struct ethtool_eeprom *ee, u8 *data)
1649 const struct ethtool_ops *ops = dev->ethtool_ops;
1650 struct phy_device *phydev = dev->phydev;
1652 if (phydev && phydev->drv && phydev->drv->module_eeprom)
1653 return phydev->drv->module_eeprom(phydev, ee, data);
1655 if (ops->get_module_eeprom)
1656 return ops->get_module_eeprom(dev, ee, data);
1661 static int ethtool_get_module_eeprom(struct net_device *dev,
1662 void __user *useraddr)
1665 struct ethtool_modinfo modinfo;
1667 ret = __ethtool_get_module_info(dev, &modinfo);
1671 return ethtool_get_any_eeprom(dev, useraddr,
1672 __ethtool_get_module_eeprom,
1673 modinfo.eeprom_len);
1676 static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
1679 case ETHTOOL_RX_COPYBREAK:
1680 case ETHTOOL_TX_COPYBREAK:
1681 if (tuna->len != sizeof(u32) ||
1682 tuna->type_id != ETHTOOL_TUNABLE_U32)
1692 static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr)
1695 struct ethtool_tunable tuna;
1696 const struct ethtool_ops *ops = dev->ethtool_ops;
1699 if (!ops->get_tunable)
1701 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1703 ret = ethtool_tunable_valid(&tuna);
1706 data = kmalloc(tuna.len, GFP_USER);
1709 ret = ops->get_tunable(dev, &tuna, data);
1712 useraddr += sizeof(tuna);
1714 if (copy_to_user(useraddr, data, tuna.len))
1723 static int ethtool_set_tunable(struct net_device *dev, void __user *useraddr)
1726 struct ethtool_tunable tuna;
1727 const struct ethtool_ops *ops = dev->ethtool_ops;
1730 if (!ops->set_tunable)
1732 if (copy_from_user(&tuna, useraddr, sizeof(tuna)))
1734 ret = ethtool_tunable_valid(&tuna);
1737 data = kmalloc(tuna.len, GFP_USER);
1740 useraddr += sizeof(tuna);
1742 if (copy_from_user(data, useraddr, tuna.len))
1744 ret = ops->set_tunable(dev, &tuna, data);
1751 /* The main entry point in this file. Called from net/core/dev_ioctl.c */
1753 int dev_ethtool(struct net *net, struct ifreq *ifr)
1755 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
1756 void __user *useraddr = ifr->ifr_data;
1759 netdev_features_t old_features;
1761 if (!dev || !netif_device_present(dev))
1764 if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
1767 /* Allow some commands to be done by anyone */
1770 case ETHTOOL_GDRVINFO:
1771 case ETHTOOL_GMSGLVL:
1773 case ETHTOOL_GCOALESCE:
1774 case ETHTOOL_GRINGPARAM:
1775 case ETHTOOL_GPAUSEPARAM:
1776 case ETHTOOL_GRXCSUM:
1777 case ETHTOOL_GTXCSUM:
1779 case ETHTOOL_GSSET_INFO:
1780 case ETHTOOL_GSTRINGS:
1781 case ETHTOOL_GSTATS:
1783 case ETHTOOL_GPERMADDR:
1787 case ETHTOOL_GFLAGS:
1788 case ETHTOOL_GPFLAGS:
1790 case ETHTOOL_GRXRINGS:
1791 case ETHTOOL_GRXCLSRLCNT:
1792 case ETHTOOL_GRXCLSRULE:
1793 case ETHTOOL_GRXCLSRLALL:
1794 case ETHTOOL_GRXFHINDIR:
1796 case ETHTOOL_GFEATURES:
1797 case ETHTOOL_GCHANNELS:
1798 case ETHTOOL_GET_TS_INFO:
1800 case ETHTOOL_GTUNABLE:
1803 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
1807 if (dev->ethtool_ops->begin) {
1808 rc = dev->ethtool_ops->begin(dev);
1812 old_features = dev->features;
1816 rc = ethtool_get_settings(dev, useraddr);
1819 rc = ethtool_set_settings(dev, useraddr);
1821 case ETHTOOL_GDRVINFO:
1822 rc = ethtool_get_drvinfo(dev, useraddr);
1825 rc = ethtool_get_regs(dev, useraddr);
1828 rc = ethtool_get_wol(dev, useraddr);
1831 rc = ethtool_set_wol(dev, useraddr);
1833 case ETHTOOL_GMSGLVL:
1834 rc = ethtool_get_value(dev, useraddr, ethcmd,
1835 dev->ethtool_ops->get_msglevel);
1837 case ETHTOOL_SMSGLVL:
1838 rc = ethtool_set_value_void(dev, useraddr,
1839 dev->ethtool_ops->set_msglevel);
1842 rc = ethtool_get_eee(dev, useraddr);
1845 rc = ethtool_set_eee(dev, useraddr);
1847 case ETHTOOL_NWAY_RST:
1848 rc = ethtool_nway_reset(dev);
1851 rc = ethtool_get_link(dev, useraddr);
1853 case ETHTOOL_GEEPROM:
1854 rc = ethtool_get_eeprom(dev, useraddr);
1856 case ETHTOOL_SEEPROM:
1857 rc = ethtool_set_eeprom(dev, useraddr);
1859 case ETHTOOL_GCOALESCE:
1860 rc = ethtool_get_coalesce(dev, useraddr);
1862 case ETHTOOL_SCOALESCE:
1863 rc = ethtool_set_coalesce(dev, useraddr);
1865 case ETHTOOL_GRINGPARAM:
1866 rc = ethtool_get_ringparam(dev, useraddr);
1868 case ETHTOOL_SRINGPARAM:
1869 rc = ethtool_set_ringparam(dev, useraddr);
1871 case ETHTOOL_GPAUSEPARAM:
1872 rc = ethtool_get_pauseparam(dev, useraddr);
1874 case ETHTOOL_SPAUSEPARAM:
1875 rc = ethtool_set_pauseparam(dev, useraddr);
1878 rc = ethtool_self_test(dev, useraddr);
1880 case ETHTOOL_GSTRINGS:
1881 rc = ethtool_get_strings(dev, useraddr);
1883 case ETHTOOL_PHYS_ID:
1884 rc = ethtool_phys_id(dev, useraddr);
1886 case ETHTOOL_GSTATS:
1887 rc = ethtool_get_stats(dev, useraddr);
1889 case ETHTOOL_GPERMADDR:
1890 rc = ethtool_get_perm_addr(dev, useraddr);
1892 case ETHTOOL_GFLAGS:
1893 rc = ethtool_get_value(dev, useraddr, ethcmd,
1894 __ethtool_get_flags);
1896 case ETHTOOL_SFLAGS:
1897 rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
1899 case ETHTOOL_GPFLAGS:
1900 rc = ethtool_get_value(dev, useraddr, ethcmd,
1901 dev->ethtool_ops->get_priv_flags);
1903 case ETHTOOL_SPFLAGS:
1904 rc = ethtool_set_value(dev, useraddr,
1905 dev->ethtool_ops->set_priv_flags);
1908 case ETHTOOL_GRXRINGS:
1909 case ETHTOOL_GRXCLSRLCNT:
1910 case ETHTOOL_GRXCLSRULE:
1911 case ETHTOOL_GRXCLSRLALL:
1912 rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
1915 case ETHTOOL_SRXCLSRLDEL:
1916 case ETHTOOL_SRXCLSRLINS:
1917 rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
1919 case ETHTOOL_FLASHDEV:
1920 rc = ethtool_flash_device(dev, useraddr);
1923 rc = ethtool_reset(dev, useraddr);
1925 case ETHTOOL_GSSET_INFO:
1926 rc = ethtool_get_sset_info(dev, useraddr);
1928 case ETHTOOL_GRXFHINDIR:
1929 rc = ethtool_get_rxfh_indir(dev, useraddr);
1931 case ETHTOOL_SRXFHINDIR:
1932 rc = ethtool_set_rxfh_indir(dev, useraddr);
1935 rc = ethtool_get_rxfh(dev, useraddr);
1938 rc = ethtool_set_rxfh(dev, useraddr);
1940 case ETHTOOL_GFEATURES:
1941 rc = ethtool_get_features(dev, useraddr);
1943 case ETHTOOL_SFEATURES:
1944 rc = ethtool_set_features(dev, useraddr);
1946 case ETHTOOL_GTXCSUM:
1947 case ETHTOOL_GRXCSUM:
1953 rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
1955 case ETHTOOL_STXCSUM:
1956 case ETHTOOL_SRXCSUM:
1962 rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
1964 case ETHTOOL_GCHANNELS:
1965 rc = ethtool_get_channels(dev, useraddr);
1967 case ETHTOOL_SCHANNELS:
1968 rc = ethtool_set_channels(dev, useraddr);
1970 case ETHTOOL_SET_DUMP:
1971 rc = ethtool_set_dump(dev, useraddr);
1973 case ETHTOOL_GET_DUMP_FLAG:
1974 rc = ethtool_get_dump_flag(dev, useraddr);
1976 case ETHTOOL_GET_DUMP_DATA:
1977 rc = ethtool_get_dump_data(dev, useraddr);
1979 case ETHTOOL_GET_TS_INFO:
1980 rc = ethtool_get_ts_info(dev, useraddr);
1982 case ETHTOOL_GMODULEINFO:
1983 rc = ethtool_get_module_info(dev, useraddr);
1985 case ETHTOOL_GMODULEEEPROM:
1986 rc = ethtool_get_module_eeprom(dev, useraddr);
1988 case ETHTOOL_GTUNABLE:
1989 rc = ethtool_get_tunable(dev, useraddr);
1991 case ETHTOOL_STUNABLE:
1992 rc = ethtool_set_tunable(dev, useraddr);
1998 if (dev->ethtool_ops->complete)
1999 dev->ethtool_ops->complete(dev);
2001 if (old_features != dev->features)
2002 netdev_features_change(dev);