/* * net/core/ethtool.c - Ethtool ioctl handler * Copyright (c) 2003 Matthew Wilcox <matthew@wil.cx> * * This file is where we call all the ethtool_ops commands to get * the information ethtool needs. We fall back to calling do_ioctl() * for drivers which haven't been converted to ethtool_ops yet. * * It's GPL, stupid. */ #include <linux/module.h> #include <linux/types.h> #include <linux/capability.h> #include <linux/errno.h> #include <linux/ethtool.h> #include <linux/netdevice.h> #include <asm/uaccess.h> /* * Some useful ethtool_ops methods that're device independent. * If we find that all drivers want to do the same thing here, * we can turn these into dev_() function calls. */ u32 ethtool_op_get_link(struct net_device *dev) { return netif_carrier_ok(dev) ? 1 : 0; } u32 ethtool_op_get_tx_csum(struct net_device *dev) { return (dev->features & NETIF_F_ALL_CSUM) != 0; } int ethtool_op_set_tx_csum(struct net_device *dev, u32 data) { if (data) dev->features |= NETIF_F_IP_CSUM; else dev->features &= ~NETIF_F_IP_CSUM; return 0; } int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data) { if (data) dev->features |= NETIF_F_HW_CSUM; else dev->features &= ~NETIF_F_HW_CSUM; return 0; } u32 ethtool_op_get_sg(struct net_device *dev) { return (dev->features & NETIF_F_SG) != 0; } int ethtool_op_set_sg(struct net_device *dev, u32 data) { if (data) dev->features |= NETIF_F_SG; else dev->features &= ~NETIF_F_SG; return 0; } u32 ethtool_op_get_tso(struct net_device *dev) { return (dev->features & NETIF_F_TSO) != 0; } int ethtool_op_set_tso(struct net_device *dev, u32 data) { if (data) dev->features |= NETIF_F_TSO; else dev->features &= ~NETIF_F_TSO; return 0; } int ethtool_op_get_perm_addr(struct net_device *dev, struct ethtool_perm_addr *addr, u8 *data) { unsigned char len = dev->addr_len; if ( addr->size < len ) return -ETOOSMALL; addr->size = len; memcpy(data, dev->perm_addr, len); return 0; } u32 ethtool_op_get_ufo(struct net_device *dev) { return (dev->features & NETIF_F_UFO) != 0; } int ethtool_op_set_ufo(struct net_device *dev, u32 data) { if (data) dev->features |= NETIF_F_UFO; else dev->features &= ~NETIF_F_UFO; return 0; } /* Handlers for each ethtool command */ static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) { struct ethtool_cmd cmd = { ETHTOOL_GSET }; int err; if (!dev->ethtool_ops->get_settings) return -EOPNOTSUPP; err = dev->ethtool_ops->get_settings(dev, &cmd); if (err < 0) return err; if (copy_to_user(useraddr, &cmd, sizeof(cmd))) return -EFAULT; return 0; } static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) { struct ethtool_cmd cmd; if (!dev->ethtool_ops->set_settings) return -EOPNOTSUPP; if (copy_from_user(&cmd, useraddr, sizeof(cmd))) return -EFAULT; return dev->ethtool_ops->set_settings(dev, &cmd); } static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr) { struct ethtool_drvinfo info; const struct ethtool_ops *ops = dev->ethtool_ops; if (!ops->get_drvinfo) return -EOPNOTSUPP; memset(&info, 0, sizeof(info)); info.cmd = ETHTOOL_GDRVINFO; ops->get_drvinfo(dev, &info); if (ops->self_test_count) info.testinfo_len = ops->self_test_count(dev); if (ops->get_stats_count) info.n_stats = ops->get_stats_count(dev); if (ops->get_regs_len) info.regdump_len = ops->get_regs_len(dev); if (ops->get_eeprom_len) info.eedump_len = ops->get_eeprom_len(dev); if (copy_to_user(useraddr, &info, sizeof(info))) return -EFAULT; return 0; } static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) { struct ethtool_regs regs; const struct ethtool_ops *ops = dev->ethtool_ops; void *regbuf; int reglen, ret; if (!ops->get_regs || !ops->get_regs_len) return -EOPNOTSUPP; if (copy_from_user(®s, useraddr, sizeof(regs))) return -EFAULT; reglen = ops->get_regs_len(dev); if (regs.len > reglen) regs.len = reglen; regbuf = kmalloc(reglen, GFP_USER); if (!regbuf) return -ENOMEM; ops->get_regs(dev, ®s, regbuf); ret = -EFAULT; if (copy_to_user(useraddr, ®s, sizeof(regs))) goto out; useraddr += offsetof(struct ethtool_regs, data); if (copy_to_user(useraddr, regbuf, regs.len)) goto out; ret = 0; out: kfree(regbuf); return ret; } static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) { struct ethtool_wolinfo wol = { ETHTOOL_GWOL }; if (!dev->ethtool_ops->get_wol) return -EOPNOTSUPP; dev->ethtool_ops->get_wol(dev, &wol); if (copy_to_user(useraddr, &wol, sizeof(wol))) return -EFAULT; return 0; } static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) { struct ethtool_wolinfo wol; if (!dev->ethtool_ops->set_wol) return -EOPNOTSUPP; if (copy_from_user(&wol, useraddr, sizeof(wol))) return -EFAULT; return dev->ethtool_ops->set_wol(dev, &wol); } static int ethtool_get_msglevel(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GMSGLVL }; if (!dev->ethtool_ops->get_msglevel) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_msglevel(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_msglevel(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (!dev->ethtool_ops->set_msglevel) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; dev->ethtool_ops->set_msglevel(dev, edata.data); return 0; } static int ethtool_nway_reset(struct net_device *dev) { if (!dev->ethtool_ops->nway_reset) return -EOPNOTSUPP; return dev->ethtool_ops->nway_reset(dev); } static int ethtool_get_link(struct net_device *dev, void __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GLINK }; if (!dev->ethtool_ops->get_link) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_link(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; if (!ops->get_eeprom || !ops->get_eeprom_len) return -EOPNOTSUPP; if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) return -EFAULT; /* Check for wrap and zero */ if (eeprom.offset + eeprom.len <= eeprom.offset) return -EINVAL; /* Check for exceeding total eeprom len */ if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) return -EINVAL; data = kmalloc(eeprom.len, GFP_USER); if (!data) return -ENOMEM; ret = -EFAULT; if (copy_from_user(data, useraddr + sizeof(eeprom), eeprom.len)) goto out; ret = ops->get_eeprom(dev, &eeprom, data); if (ret) goto out; ret = -EFAULT; if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) goto out; if (copy_to_user(useraddr + sizeof(eeprom), data, eeprom.len)) goto out; ret = 0; out: kfree(data); return ret; } static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; if (!ops->set_eeprom || !ops->get_eeprom_len) return -EOPNOTSUPP; if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) return -EFAULT; /* Check for wrap and zero */ if (eeprom.offset + eeprom.len <= eeprom.offset) return -EINVAL; /* Check for exceeding total eeprom len */ if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) return -EINVAL; data = kmalloc(eeprom.len, GFP_USER); if (!data) return -ENOMEM; ret = -EFAULT; if (copy_from_user(data, useraddr + sizeof(eeprom), eeprom.len)) goto out; ret = ops->set_eeprom(dev, &eeprom, data); if (ret) goto out; if (copy_to_user(useraddr + sizeof(eeprom), data, eeprom.len)) ret = -EFAULT; out: kfree(data); return ret; } static int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr) { struct ethtool_coalesce coalesce = { ETHTOOL_GCOALESCE }; if (!dev->ethtool_ops->get_coalesce) return -EOPNOTSUPP; dev->ethtool_ops->get_coalesce(dev, &coalesce); if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) return -EFAULT; return 0; } static int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr) { struct ethtool_coalesce coalesce; if (!dev->ethtool_ops->set_coalesce) return -EOPNOTSUPP; if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) return -EFAULT; return dev->ethtool_ops->set_coalesce(dev, &coalesce); } static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) { struct ethtool_ringparam ringparam = { ETHTOOL_GRINGPARAM }; if (!dev->ethtool_ops->get_ringparam) return -EOPNOTSUPP; dev->ethtool_ops->get_ringparam(dev, &ringparam); if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) return -EFAULT; return 0; } static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) { struct ethtool_ringparam ringparam; if (!dev->ethtool_ops->set_ringparam) return -EOPNOTSUPP; if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) return -EFAULT; return dev->ethtool_ops->set_ringparam(dev, &ringparam); } static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr) { struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; if (!dev->ethtool_ops->get_pauseparam) return -EOPNOTSUPP; dev->ethtool_ops->get_pauseparam(dev, &pauseparam); if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam))) return -EFAULT; return 0; } static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr) { struct ethtool_pauseparam pauseparam; if (!dev->ethtool_ops->set_pauseparam) return -EOPNOTSUPP; if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) return -EFAULT; return dev->ethtool_ops->set_pauseparam(dev, &pauseparam); } static int ethtool_get_rx_csum(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GRXCSUM }; if (!dev->ethtool_ops->get_rx_csum) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_rx_csum(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (!dev->ethtool_ops->set_rx_csum) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; dev->ethtool_ops->set_rx_csum(dev, edata.data); return 0; } static int ethtool_get_tx_csum(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GTXCSUM }; if (!dev->ethtool_ops->get_tx_csum) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_tx_csum(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int __ethtool_set_sg(struct net_device *dev, u32 data) { int err; if (!data && dev->ethtool_ops->set_tso) { err = dev->ethtool_ops->set_tso(dev, 0); if (err) return err; } if (!data && dev->ethtool_ops->set_ufo) { err = dev->ethtool_ops->set_ufo(dev, 0); if (err) return err; } return dev->ethtool_ops->set_sg(dev, data); } static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; int err; if (!dev->ethtool_ops->set_tx_csum) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; if (!edata.data && dev->ethtool_ops->set_sg) { err = __ethtool_set_sg(dev, 0); if (err) return err; } return dev->ethtool_ops->set_tx_csum(dev, edata.data); } static int ethtool_get_sg(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GSG }; if (!dev->ethtool_ops->get_sg) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_sg(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_sg(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (!dev->ethtool_ops->set_sg) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; if (edata.data && !(dev->features & NETIF_F_ALL_CSUM)) return -EINVAL; return __ethtool_set_sg(dev, edata.data); } static int ethtool_get_tso(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GTSO }; if (!dev->ethtool_ops->get_tso) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_tso(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_tso(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (!dev->ethtool_ops->set_tso) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; if (edata.data && !(dev->features & NETIF_F_SG)) return -EINVAL; return dev->ethtool_ops->set_tso(dev, edata.data); } static int ethtool_get_ufo(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GUFO }; if (!dev->ethtool_ops->get_ufo) return -EOPNOTSUPP; edata.data = dev->ethtool_ops->get_ufo(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (!dev->ethtool_ops->set_ufo) return -EOPNOTSUPP; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; if (edata.data && !(dev->features & NETIF_F_SG)) return -EINVAL; if (edata.data && !(dev->features & NETIF_F_HW_CSUM)) return -EINVAL; return dev->ethtool_ops->set_ufo(dev, edata.data); } static int ethtool_get_gso(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { ETHTOOL_GGSO }; edata.data = dev->features & NETIF_F_GSO; if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_set_gso(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; if (edata.data) dev->features |= NETIF_F_GSO; else dev->features &= ~NETIF_F_GSO; return 0; } static int ethtool_self_test(struct net_device *dev, char __user *useraddr) { struct ethtool_test test; const struct ethtool_ops *ops = dev->ethtool_ops; u64 *data; int ret; if (!ops->self_test || !ops->self_test_count) return -EOPNOTSUPP; if (copy_from_user(&test, useraddr, sizeof(test))) return -EFAULT; test.len = ops->self_test_count(dev); data = kmalloc(test.len * sizeof(u64), GFP_USER); if (!data) return -ENOMEM; ops->self_test(dev, &test, data); ret = -EFAULT; if (copy_to_user(useraddr, &test, sizeof(test))) goto out; useraddr += sizeof(test); if (copy_to_user(useraddr, data, test.len * sizeof(u64))) goto out; ret = 0; out: kfree(data); return ret; } static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) { struct ethtool_gstrings gstrings; const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; if (!ops->get_strings) return -EOPNOTSUPP; if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) return -EFAULT; switch (gstrings.string_set) { case ETH_SS_TEST: if (!ops->self_test_count) return -EOPNOTSUPP; gstrings.len = ops->self_test_count(dev); break; case ETH_SS_STATS: if (!ops->get_stats_count) return -EOPNOTSUPP; gstrings.len = ops->get_stats_count(dev); break; default: return -EINVAL; } data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); if (!data) return -ENOMEM; ops->get_strings(dev, gstrings.string_set, data); ret = -EFAULT; if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) goto out; useraddr += sizeof(gstrings); if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) goto out; ret = 0; out: kfree(data); return ret; } static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) { struct ethtool_value id; if (!dev->ethtool_ops->phys_id) return -EOPNOTSUPP; if (copy_from_user(&id, useraddr, sizeof(id))) return -EFAULT; return dev->ethtool_ops->phys_id(dev, id.data); } static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) { struct ethtool_stats stats; const struct ethtool_ops *ops = dev->ethtool_ops; u64 *data; int ret; if (!ops->get_ethtool_stats || !ops->get_stats_count) return -EOPNOTSUPP; if (copy_from_user(&stats, useraddr, sizeof(stats))) return -EFAULT; stats.n_stats = ops->get_stats_count(dev); data = kmalloc(stats.n_stats * sizeof(u64), GFP_USER); if (!data) return -ENOMEM; ops->get_ethtool_stats(dev, &stats, data); ret = -EFAULT; if (copy_to_user(useraddr, &stats, sizeof(stats))) goto out; useraddr += sizeof(stats); if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64))) goto out; ret = 0; out: kfree(data); return ret; } static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr) { struct ethtool_perm_addr epaddr; u8 *data; int ret; if (!dev->ethtool_ops->get_perm_addr) return -EOPNOTSUPP; if (copy_from_user(&epaddr,useraddr,sizeof(epaddr))) return -EFAULT; data = kmalloc(epaddr.size, GFP_USER); if (!data) return -ENOMEM; ret = dev->ethtool_ops->get_perm_addr(dev,&epaddr,data); if (ret) return ret; ret = -EFAULT; if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) goto out; useraddr += sizeof(epaddr); if (copy_to_user(useraddr, data, epaddr.size)) goto out; ret = 0; out: kfree(data); return ret; } /* The main entry point in this file. Called from net/core/dev.c */ int dev_ethtool(struct ifreq *ifr) { struct net_device *dev = __dev_get_by_name(ifr->ifr_name); void __user *useraddr = ifr->ifr_data; u32 ethcmd; int rc; unsigned long old_features; if (!dev || !netif_device_present(dev)) return -ENODEV; if (!dev->ethtool_ops) goto ioctl; if (copy_from_user(ðcmd, useraddr, sizeof (ethcmd))) return -EFAULT; /* Allow some commands to be done by anyone */ switch(ethcmd) { case ETHTOOL_GDRVINFO: case ETHTOOL_GMSGLVL: case ETHTOOL_GCOALESCE: case ETHTOOL_GRINGPARAM: case ETHTOOL_GPAUSEPARAM: case ETHTOOL_GRXCSUM: case ETHTOOL_GTXCSUM: case ETHTOOL_GSG: case ETHTOOL_GSTRINGS: case ETHTOOL_GTSO: case ETHTOOL_GPERMADDR: case ETHTOOL_GUFO: case ETHTOOL_GGSO: break; default: if (!capable(CAP_NET_ADMIN)) return -EPERM; } if (dev->ethtool_ops->begin) if ((rc = dev->ethtool_ops->begin(dev)) < 0) return rc; old_features = dev->features; switch (ethcmd) { case ETHTOOL_GSET: rc = ethtool_get_settings(dev, useraddr); break; case ETHTOOL_SSET: rc = ethtool_set_settings(dev, useraddr); break; case ETHTOOL_GDRVINFO: rc = ethtool_get_drvinfo(dev, useraddr); break; case ETHTOOL_GREGS: rc = ethtool_get_regs(dev, useraddr); break; case ETHTOOL_GWOL: rc = ethtool_get_wol(dev, useraddr); break; case ETHTOOL_SWOL: rc = ethtool_set_wol(dev, useraddr); break; case ETHTOOL_GMSGLVL: rc = ethtool_get_msglevel(dev, useraddr); break; case ETHTOOL_SMSGLVL: rc = ethtool_set_msglevel(dev, useraddr); break; case ETHTOOL_NWAY_RST: rc = ethtool_nway_reset(dev); break; case ETHTOOL_GLINK: rc = ethtool_get_link(dev, useraddr); break; case ETHTOOL_GEEPROM: rc = ethtool_get_eeprom(dev, useraddr); break; case ETHTOOL_SEEPROM: rc = ethtool_set_eeprom(dev, useraddr); break; case ETHTOOL_GCOALESCE: rc = ethtool_get_coalesce(dev, useraddr); break; case ETHTOOL_SCOALESCE: rc = ethtool_set_coalesce(dev, useraddr); break; case ETHTOOL_GRINGPARAM: rc = ethtool_get_ringparam(dev, useraddr); break; case ETHTOOL_SRINGPARAM: rc = ethtool_set_ringparam(dev, useraddr); break; case ETHTOOL_GPAUSEPARAM: rc = ethtool_get_pauseparam(dev, useraddr); break; case ETHTOOL_SPAUSEPARAM: rc = ethtool_set_pauseparam(dev, useraddr); break; case ETHTOOL_GRXCSUM: rc = ethtool_get_rx_csum(dev, useraddr); break; case ETHTOOL_SRXCSUM: rc = ethtool_set_rx_csum(dev, useraddr); break; case ETHTOOL_GTXCSUM: rc = ethtool_get_tx_csum(dev, useraddr); break; case ETHTOOL_STXCSUM: rc = ethtool_set_tx_csum(dev, useraddr); break; case ETHTOOL_GSG: rc = ethtool_get_sg(dev, useraddr); break; case ETHTOOL_SSG: rc = ethtool_set_sg(dev, useraddr); break; case ETHTOOL_GTSO: rc = ethtool_get_tso(dev, useraddr); break; case ETHTOOL_STSO: rc = ethtool_set_tso(dev, useraddr); break; case ETHTOOL_TEST: rc = ethtool_self_test(dev, useraddr); break; case ETHTOOL_GSTRINGS: rc = ethtool_get_strings(dev, useraddr); break; case ETHTOOL_PHYS_ID: rc = ethtool_phys_id(dev, useraddr); break; case ETHTOOL_GSTATS: rc = ethtool_get_stats(dev, useraddr); break; case ETHTOOL_GPERMADDR: rc = ethtool_get_perm_addr(dev, useraddr); break; case ETHTOOL_GUFO: rc = ethtool_get_ufo(dev, useraddr); break; case ETHTOOL_SUFO: rc = ethtool_set_ufo(dev, useraddr); break; case ETHTOOL_GGSO: rc = ethtool_get_gso(dev, useraddr); break; case ETHTOOL_SGSO: rc = ethtool_set_gso(dev, useraddr); break; default: rc = -EOPNOTSUPP; } if (dev->ethtool_ops->complete) dev->ethtool_ops->complete(dev); if (old_features != dev->features) netdev_features_change(dev); return rc; ioctl: /* Keep existing behaviour for the moment. */ if (!capable(CAP_NET_ADMIN)) return -EPERM; if (dev->do_ioctl) return dev->do_ioctl(dev, ifr, SIOCETHTOOL); return -EOPNOTSUPP; } EXPORT_SYMBOL(dev_ethtool); EXPORT_SYMBOL(ethtool_op_get_link); EXPORT_SYMBOL_GPL(ethtool_op_get_perm_addr); EXPORT_SYMBOL(ethtool_op_get_sg); EXPORT_SYMBOL(ethtool_op_get_tso); EXPORT_SYMBOL(ethtool_op_get_tx_csum); EXPORT_SYMBOL(ethtool_op_set_sg); EXPORT_SYMBOL(ethtool_op_set_tso); EXPORT_SYMBOL(ethtool_op_set_tx_csum); EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum); EXPORT_SYMBOL(ethtool_op_set_ufo); EXPORT_SYMBOL(ethtool_op_get_ufo);