int ethtool_ioctl(struct ifreq *ifr) { struct net_device *dev = __dev_get_by_name(ifr->ifr_name); void *useraddr = (void *) ifr->ifr_data; uint32_t ethcmd; /* * XXX: This can be pushed down into the ethtool_* handlers that * need it. Keep existing behaviour for the moment. */ if (!capable(CAP_NET_ADMIN)) return -EPERM; if (!dev || !netif_device_present(dev)) return -ENODEV; if (copy_from_user(ðcmd, useraddr, sizeof (ethcmd))) return -EFAULT; switch (ethcmd) { case ETHTOOL_GSET: return ethtool_get_settings(dev, useraddr); case ETHTOOL_SSET: return ethtool_set_settings(dev, useraddr); case ETHTOOL_GDRVINFO: return ethtool_get_drvinfo(dev, useraddr); case ETHTOOL_GREGS: return ethtool_get_regs(dev, useraddr); case ETHTOOL_GWOL: return ethtool_get_wol(dev, useraddr); case ETHTOOL_SWOL: return ethtool_set_wol(dev, useraddr); case ETHTOOL_GMSGLVL: return ethtool_get_msglevel(dev, useraddr); case ETHTOOL_SMSGLVL: return ethtool_set_msglevel(dev, useraddr); case ETHTOOL_NWAY_RST: return ethtool_nway_reset(dev); case ETHTOOL_GLINK: return ethtool_get_link(dev, useraddr); case ETHTOOL_GEEPROM: return ethtool_get_eeprom(dev, useraddr); case ETHTOOL_SEEPROM: return ethtool_set_eeprom(dev, useraddr); case ETHTOOL_GCOALESCE: return ethtool_get_coalesce(dev, useraddr); case ETHTOOL_SCOALESCE: return ethtool_set_coalesce(dev, useraddr); case ETHTOOL_GRINGPARAM: return ethtool_get_ringparam(dev, useraddr); case ETHTOOL_SRINGPARAM: return ethtool_set_ringparam(dev, useraddr); case ETHTOOL_GPAUSEPARAM: return ethtool_get_pauseparam(dev, useraddr); case ETHTOOL_SPAUSEPARAM: return ethtool_set_pauseparam(dev, useraddr); case ETHTOOL_GRXCSUM: return ethtool_get_rx_csum(dev, useraddr); case ETHTOOL_SRXCSUM: return ethtool_set_rx_csum(dev, useraddr); case ETHTOOL_GTXCSUM: return ethtool_get_tx_csum(dev, useraddr); case ETHTOOL_STXCSUM: return ethtool_set_tx_csum(dev, useraddr); case ETHTOOL_GSG: return ethtool_get_sg(dev, useraddr); case ETHTOOL_SSG: return ethtool_set_sg(dev, useraddr); case ETHTOOL_GTSO: return ethtool_get_tso(dev, useraddr); case ETHTOOL_STSO: return ethtool_set_tso(dev, useraddr); case ETHTOOL_TEST: return ethtool_self_test(dev, useraddr); case ETHTOOL_GSTRINGS: return ethtool_get_strings(dev, useraddr); case ETHTOOL_PHYS_ID: return ethtool_phys_id(dev, useraddr); case ETHTOOL_GSTATS: return ethtool_get_stats(dev, useraddr); default: return -EOPNOTSUPP; } return -EOPNOTSUPP; }
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; }