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 <asm/uaccess.h>
23 * Some useful ethtool_ops methods that're device independent.
24 * If we find that all drivers want to do the same thing here,
25 * we can turn these into dev_() function calls.
28 u32 ethtool_op_get_link(struct net_device *dev)
30 return netif_carrier_ok(dev) ? 1 : 0;
33 u32 ethtool_op_get_tx_csum(struct net_device *dev)
35 return (dev->features & NETIF_F_ALL_CSUM) != 0;
38 int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
41 dev->features |= NETIF_F_IP_CSUM;
43 dev->features &= ~NETIF_F_IP_CSUM;
48 int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
51 dev->features |= NETIF_F_HW_CSUM;
53 dev->features &= ~NETIF_F_HW_CSUM;
58 int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data)
61 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
63 dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
68 u32 ethtool_op_get_sg(struct net_device *dev)
70 return (dev->features & NETIF_F_SG) != 0;
73 int ethtool_op_set_sg(struct net_device *dev, u32 data)
76 dev->features |= NETIF_F_SG;
78 dev->features &= ~NETIF_F_SG;
83 u32 ethtool_op_get_tso(struct net_device *dev)
85 return (dev->features & NETIF_F_TSO) != 0;
88 int ethtool_op_set_tso(struct net_device *dev, u32 data)
91 dev->features |= NETIF_F_TSO;
93 dev->features &= ~NETIF_F_TSO;
98 u32 ethtool_op_get_ufo(struct net_device *dev)
100 return (dev->features & NETIF_F_UFO) != 0;
103 int ethtool_op_set_ufo(struct net_device *dev, u32 data)
106 dev->features |= NETIF_F_UFO;
108 dev->features &= ~NETIF_F_UFO;
112 /* the following list of flags are the same as their associated
113 * NETIF_F_xxx values in include/linux/netdevice.h
115 static const u32 flags_dup_features =
118 u32 ethtool_op_get_flags(struct net_device *dev)
120 /* in the future, this function will probably contain additional
121 * handling for flags which are not so easily handled
122 * by a simple masking operation
125 return dev->features & flags_dup_features;
128 int ethtool_op_set_flags(struct net_device *dev, u32 data)
130 if (data & ETH_FLAG_LRO)
131 dev->features |= NETIF_F_LRO;
133 dev->features &= ~NETIF_F_LRO;
138 /* Handlers for each ethtool command */
140 static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
142 struct ethtool_cmd cmd = { ETHTOOL_GSET };
145 if (!dev->ethtool_ops->get_settings)
148 err = dev->ethtool_ops->get_settings(dev, &cmd);
152 if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
157 static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
159 struct ethtool_cmd cmd;
161 if (!dev->ethtool_ops->set_settings)
164 if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
167 return dev->ethtool_ops->set_settings(dev, &cmd);
170 static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
172 struct ethtool_drvinfo info;
173 const struct ethtool_ops *ops = dev->ethtool_ops;
175 if (!ops->get_drvinfo)
178 memset(&info, 0, sizeof(info));
179 info.cmd = ETHTOOL_GDRVINFO;
180 ops->get_drvinfo(dev, &info);
182 if (ops->get_sset_count) {
185 rc = ops->get_sset_count(dev, ETH_SS_TEST);
187 info.testinfo_len = rc;
188 rc = ops->get_sset_count(dev, ETH_SS_STATS);
191 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
193 info.n_priv_flags = rc;
195 /* code path for obsolete hooks */
197 if (ops->self_test_count)
198 info.testinfo_len = ops->self_test_count(dev);
199 if (ops->get_stats_count)
200 info.n_stats = ops->get_stats_count(dev);
202 if (ops->get_regs_len)
203 info.regdump_len = ops->get_regs_len(dev);
204 if (ops->get_eeprom_len)
205 info.eedump_len = ops->get_eeprom_len(dev);
207 if (copy_to_user(useraddr, &info, sizeof(info)))
212 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
214 struct ethtool_regs regs;
215 const struct ethtool_ops *ops = dev->ethtool_ops;
219 if (!ops->get_regs || !ops->get_regs_len)
222 if (copy_from_user(®s, useraddr, sizeof(regs)))
225 reglen = ops->get_regs_len(dev);
226 if (regs.len > reglen)
229 regbuf = kmalloc(reglen, GFP_USER);
233 ops->get_regs(dev, ®s, regbuf);
236 if (copy_to_user(useraddr, ®s, sizeof(regs)))
238 useraddr += offsetof(struct ethtool_regs, data);
239 if (copy_to_user(useraddr, regbuf, regs.len))
248 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
250 struct ethtool_wolinfo wol = { ETHTOOL_GWOL };
252 if (!dev->ethtool_ops->get_wol)
255 dev->ethtool_ops->get_wol(dev, &wol);
257 if (copy_to_user(useraddr, &wol, sizeof(wol)))
262 static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
264 struct ethtool_wolinfo wol;
266 if (!dev->ethtool_ops->set_wol)
269 if (copy_from_user(&wol, useraddr, sizeof(wol)))
272 return dev->ethtool_ops->set_wol(dev, &wol);
275 static int ethtool_nway_reset(struct net_device *dev)
277 if (!dev->ethtool_ops->nway_reset)
280 return dev->ethtool_ops->nway_reset(dev);
283 static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
285 struct ethtool_eeprom eeprom;
286 const struct ethtool_ops *ops = dev->ethtool_ops;
287 void __user *userbuf = useraddr + sizeof(eeprom);
292 if (!ops->get_eeprom || !ops->get_eeprom_len)
295 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
298 /* Check for wrap and zero */
299 if (eeprom.offset + eeprom.len <= eeprom.offset)
302 /* Check for exceeding total eeprom len */
303 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
306 data = kmalloc(PAGE_SIZE, GFP_USER);
310 bytes_remaining = eeprom.len;
311 while (bytes_remaining > 0) {
312 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
314 ret = ops->get_eeprom(dev, &eeprom, data);
317 if (copy_to_user(userbuf, data, eeprom.len)) {
321 userbuf += eeprom.len;
322 eeprom.offset += eeprom.len;
323 bytes_remaining -= eeprom.len;
330 static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
332 struct ethtool_eeprom eeprom;
333 const struct ethtool_ops *ops = dev->ethtool_ops;
334 void __user *userbuf = useraddr + sizeof(eeprom);
339 if (!ops->set_eeprom || !ops->get_eeprom_len)
342 if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
345 /* Check for wrap and zero */
346 if (eeprom.offset + eeprom.len <= eeprom.offset)
349 /* Check for exceeding total eeprom len */
350 if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
353 data = kmalloc(PAGE_SIZE, GFP_USER);
357 bytes_remaining = eeprom.len;
358 while (bytes_remaining > 0) {
359 eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
361 if (copy_from_user(data, userbuf, eeprom.len)) {
365 ret = ops->set_eeprom(dev, &eeprom, data);
368 userbuf += eeprom.len;
369 eeprom.offset += eeprom.len;
370 bytes_remaining -= eeprom.len;
377 static int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
379 struct ethtool_coalesce coalesce = { ETHTOOL_GCOALESCE };
381 if (!dev->ethtool_ops->get_coalesce)
384 dev->ethtool_ops->get_coalesce(dev, &coalesce);
386 if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
391 static int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
393 struct ethtool_coalesce coalesce;
395 if (!dev->ethtool_ops->set_coalesce)
398 if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
401 return dev->ethtool_ops->set_coalesce(dev, &coalesce);
404 static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
406 struct ethtool_ringparam ringparam = { ETHTOOL_GRINGPARAM };
408 if (!dev->ethtool_ops->get_ringparam)
411 dev->ethtool_ops->get_ringparam(dev, &ringparam);
413 if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
418 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
420 struct ethtool_ringparam ringparam;
422 if (!dev->ethtool_ops->set_ringparam)
425 if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
428 return dev->ethtool_ops->set_ringparam(dev, &ringparam);
431 static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
433 struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
435 if (!dev->ethtool_ops->get_pauseparam)
438 dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
440 if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
445 static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
447 struct ethtool_pauseparam pauseparam;
449 if (!dev->ethtool_ops->set_pauseparam)
452 if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
455 return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
458 static int __ethtool_set_sg(struct net_device *dev, u32 data)
462 if (!data && dev->ethtool_ops->set_tso) {
463 err = dev->ethtool_ops->set_tso(dev, 0);
468 if (!data && dev->ethtool_ops->set_ufo) {
469 err = dev->ethtool_ops->set_ufo(dev, 0);
473 return dev->ethtool_ops->set_sg(dev, data);
476 static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr)
478 struct ethtool_value edata;
481 if (!dev->ethtool_ops->set_tx_csum)
484 if (copy_from_user(&edata, useraddr, sizeof(edata)))
487 if (!edata.data && dev->ethtool_ops->set_sg) {
488 err = __ethtool_set_sg(dev, 0);
493 return dev->ethtool_ops->set_tx_csum(dev, edata.data);
496 static int ethtool_set_sg(struct net_device *dev, char __user *useraddr)
498 struct ethtool_value edata;
500 if (!dev->ethtool_ops->set_sg)
503 if (copy_from_user(&edata, useraddr, sizeof(edata)))
507 !(dev->features & NETIF_F_ALL_CSUM))
510 return __ethtool_set_sg(dev, edata.data);
513 static int ethtool_set_tso(struct net_device *dev, char __user *useraddr)
515 struct ethtool_value edata;
517 if (!dev->ethtool_ops->set_tso)
520 if (copy_from_user(&edata, useraddr, sizeof(edata)))
523 if (edata.data && !(dev->features & NETIF_F_SG))
526 return dev->ethtool_ops->set_tso(dev, edata.data);
529 static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr)
531 struct ethtool_value edata;
533 if (!dev->ethtool_ops->set_ufo)
535 if (copy_from_user(&edata, useraddr, sizeof(edata)))
537 if (edata.data && !(dev->features & NETIF_F_SG))
539 if (edata.data && !(dev->features & NETIF_F_HW_CSUM))
541 return dev->ethtool_ops->set_ufo(dev, edata.data);
544 static int ethtool_get_gso(struct net_device *dev, char __user *useraddr)
546 struct ethtool_value edata = { ETHTOOL_GGSO };
548 edata.data = dev->features & NETIF_F_GSO;
549 if (copy_to_user(useraddr, &edata, sizeof(edata)))
554 static int ethtool_set_gso(struct net_device *dev, char __user *useraddr)
556 struct ethtool_value edata;
558 if (copy_from_user(&edata, useraddr, sizeof(edata)))
561 dev->features |= NETIF_F_GSO;
563 dev->features &= ~NETIF_F_GSO;
567 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
569 struct ethtool_test test;
570 const struct ethtool_ops *ops = dev->ethtool_ops;
576 if (!ops->get_sset_count && !ops->self_test_count)
579 if (ops->get_sset_count)
580 test_len = ops->get_sset_count(dev, ETH_SS_TEST);
582 /* code path for obsolete hook */
583 test_len = ops->self_test_count(dev);
586 WARN_ON(test_len == 0);
588 if (copy_from_user(&test, useraddr, sizeof(test)))
592 data = kmalloc(test_len * sizeof(u64), GFP_USER);
596 ops->self_test(dev, &test, data);
599 if (copy_to_user(useraddr, &test, sizeof(test)))
601 useraddr += sizeof(test);
602 if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
611 static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
613 struct ethtool_gstrings gstrings;
614 const struct ethtool_ops *ops = dev->ethtool_ops;
618 if (!ops->get_strings)
621 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
624 if (ops->get_sset_count) {
625 ret = ops->get_sset_count(dev, gstrings.string_set);
631 /* code path for obsolete hooks */
633 switch (gstrings.string_set) {
635 if (!ops->self_test_count)
637 gstrings.len = ops->self_test_count(dev);
640 if (!ops->get_stats_count)
642 gstrings.len = ops->get_stats_count(dev);
649 data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
653 ops->get_strings(dev, gstrings.string_set, data);
656 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
658 useraddr += sizeof(gstrings);
659 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
668 static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
670 struct ethtool_value id;
672 if (!dev->ethtool_ops->phys_id)
675 if (copy_from_user(&id, useraddr, sizeof(id)))
678 return dev->ethtool_ops->phys_id(dev, id.data);
681 static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
683 struct ethtool_stats stats;
684 const struct ethtool_ops *ops = dev->ethtool_ops;
688 if (!ops->get_ethtool_stats)
690 if (!ops->get_sset_count && !ops->get_stats_count)
693 if (ops->get_sset_count)
694 n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
696 /* code path for obsolete hook */
697 n_stats = ops->get_stats_count(dev);
700 WARN_ON(n_stats == 0);
702 if (copy_from_user(&stats, useraddr, sizeof(stats)))
705 stats.n_stats = n_stats;
706 data = kmalloc(n_stats * sizeof(u64), GFP_USER);
710 ops->get_ethtool_stats(dev, &stats, data);
713 if (copy_to_user(useraddr, &stats, sizeof(stats)))
715 useraddr += sizeof(stats);
716 if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
725 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
727 struct ethtool_perm_addr epaddr;
729 if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
732 if (epaddr.size < dev->addr_len)
734 epaddr.size = dev->addr_len;
736 if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
738 useraddr += sizeof(epaddr);
739 if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
744 static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
745 u32 cmd, u32 (*actor)(struct net_device *))
747 struct ethtool_value edata = { cmd };
752 edata.data = actor(dev);
754 if (copy_to_user(useraddr, &edata, sizeof(edata)))
759 static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
760 void (*actor)(struct net_device *, u32))
762 struct ethtool_value edata;
767 if (copy_from_user(&edata, useraddr, sizeof(edata)))
770 actor(dev, edata.data);
774 static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
775 int (*actor)(struct net_device *, u32))
777 struct ethtool_value edata;
782 if (copy_from_user(&edata, useraddr, sizeof(edata)))
785 return actor(dev, edata.data);
788 /* The main entry point in this file. Called from net/core/dev.c */
790 int dev_ethtool(struct net *net, struct ifreq *ifr)
792 struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
793 void __user *useraddr = ifr->ifr_data;
796 unsigned long old_features;
798 if (!dev || !netif_device_present(dev))
801 if (!dev->ethtool_ops)
804 if (copy_from_user(ðcmd, useraddr, sizeof (ethcmd)))
807 /* Allow some commands to be done by anyone */
809 case ETHTOOL_GDRVINFO:
810 case ETHTOOL_GMSGLVL:
811 case ETHTOOL_GCOALESCE:
812 case ETHTOOL_GRINGPARAM:
813 case ETHTOOL_GPAUSEPARAM:
814 case ETHTOOL_GRXCSUM:
815 case ETHTOOL_GTXCSUM:
817 case ETHTOOL_GSTRINGS:
819 case ETHTOOL_GPERMADDR:
823 case ETHTOOL_GPFLAGS:
826 if (!capable(CAP_NET_ADMIN))
830 if (dev->ethtool_ops->begin)
831 if ((rc = dev->ethtool_ops->begin(dev)) < 0)
834 old_features = dev->features;
838 rc = ethtool_get_settings(dev, useraddr);
841 rc = ethtool_set_settings(dev, useraddr);
843 case ETHTOOL_GDRVINFO:
844 rc = ethtool_get_drvinfo(dev, useraddr);
847 rc = ethtool_get_regs(dev, useraddr);
850 rc = ethtool_get_wol(dev, useraddr);
853 rc = ethtool_set_wol(dev, useraddr);
855 case ETHTOOL_GMSGLVL:
856 rc = ethtool_get_value(dev, useraddr, ethcmd,
857 dev->ethtool_ops->get_msglevel);
859 case ETHTOOL_SMSGLVL:
860 rc = ethtool_set_value_void(dev, useraddr,
861 dev->ethtool_ops->set_msglevel);
863 case ETHTOOL_NWAY_RST:
864 rc = ethtool_nway_reset(dev);
867 rc = ethtool_get_value(dev, useraddr, ethcmd,
868 dev->ethtool_ops->get_link);
870 case ETHTOOL_GEEPROM:
871 rc = ethtool_get_eeprom(dev, useraddr);
873 case ETHTOOL_SEEPROM:
874 rc = ethtool_set_eeprom(dev, useraddr);
876 case ETHTOOL_GCOALESCE:
877 rc = ethtool_get_coalesce(dev, useraddr);
879 case ETHTOOL_SCOALESCE:
880 rc = ethtool_set_coalesce(dev, useraddr);
882 case ETHTOOL_GRINGPARAM:
883 rc = ethtool_get_ringparam(dev, useraddr);
885 case ETHTOOL_SRINGPARAM:
886 rc = ethtool_set_ringparam(dev, useraddr);
888 case ETHTOOL_GPAUSEPARAM:
889 rc = ethtool_get_pauseparam(dev, useraddr);
891 case ETHTOOL_SPAUSEPARAM:
892 rc = ethtool_set_pauseparam(dev, useraddr);
894 case ETHTOOL_GRXCSUM:
895 rc = ethtool_get_value(dev, useraddr, ethcmd,
896 dev->ethtool_ops->get_rx_csum);
898 case ETHTOOL_SRXCSUM:
899 rc = ethtool_set_value(dev, useraddr,
900 dev->ethtool_ops->set_rx_csum);
902 case ETHTOOL_GTXCSUM:
903 rc = ethtool_get_value(dev, useraddr, ethcmd,
904 (dev->ethtool_ops->get_tx_csum ?
905 dev->ethtool_ops->get_tx_csum :
906 ethtool_op_get_tx_csum));
908 case ETHTOOL_STXCSUM:
909 rc = ethtool_set_tx_csum(dev, useraddr);
912 rc = ethtool_get_value(dev, useraddr, ethcmd,
913 (dev->ethtool_ops->get_sg ?
914 dev->ethtool_ops->get_sg :
918 rc = ethtool_set_sg(dev, useraddr);
921 rc = ethtool_get_value(dev, useraddr, ethcmd,
922 (dev->ethtool_ops->get_tso ?
923 dev->ethtool_ops->get_tso :
924 ethtool_op_get_tso));
927 rc = ethtool_set_tso(dev, useraddr);
930 rc = ethtool_self_test(dev, useraddr);
932 case ETHTOOL_GSTRINGS:
933 rc = ethtool_get_strings(dev, useraddr);
935 case ETHTOOL_PHYS_ID:
936 rc = ethtool_phys_id(dev, useraddr);
939 rc = ethtool_get_stats(dev, useraddr);
941 case ETHTOOL_GPERMADDR:
942 rc = ethtool_get_perm_addr(dev, useraddr);
945 rc = ethtool_get_value(dev, useraddr, ethcmd,
946 (dev->ethtool_ops->get_ufo ?
947 dev->ethtool_ops->get_ufo :
948 ethtool_op_get_ufo));
951 rc = ethtool_set_ufo(dev, useraddr);
954 rc = ethtool_get_gso(dev, useraddr);
957 rc = ethtool_set_gso(dev, useraddr);
960 rc = ethtool_get_value(dev, useraddr, ethcmd,
961 dev->ethtool_ops->get_flags);
964 rc = ethtool_set_value(dev, useraddr,
965 dev->ethtool_ops->set_flags);
967 case ETHTOOL_GPFLAGS:
968 rc = ethtool_get_value(dev, useraddr, ethcmd,
969 dev->ethtool_ops->get_priv_flags);
971 case ETHTOOL_SPFLAGS:
972 rc = ethtool_set_value(dev, useraddr,
973 dev->ethtool_ops->set_priv_flags);
979 if (dev->ethtool_ops->complete)
980 dev->ethtool_ops->complete(dev);
982 if (old_features != dev->features)
983 netdev_features_change(dev);
988 EXPORT_SYMBOL(ethtool_op_get_link);
989 EXPORT_SYMBOL(ethtool_op_get_sg);
990 EXPORT_SYMBOL(ethtool_op_get_tso);
991 EXPORT_SYMBOL(ethtool_op_get_tx_csum);
992 EXPORT_SYMBOL(ethtool_op_set_sg);
993 EXPORT_SYMBOL(ethtool_op_set_tso);
994 EXPORT_SYMBOL(ethtool_op_set_tx_csum);
995 EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);
996 EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum);
997 EXPORT_SYMBOL(ethtool_op_set_ufo);
998 EXPORT_SYMBOL(ethtool_op_get_ufo);
999 EXPORT_SYMBOL(ethtool_op_set_flags);
1000 EXPORT_SYMBOL(ethtool_op_get_flags);