| /* |
| * 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. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #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 <linux/bitops.h> |
| #include <linux/uaccess.h> |
| #include <linux/vmalloc.h> |
| #include <linux/slab.h> |
| #include <linux/rtnetlink.h> |
| #include <linux/sched.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; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_link); |
| |
| u32 ethtool_op_get_tx_csum(struct net_device *dev) |
| { |
| return (dev->features & NETIF_F_ALL_CSUM) != 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_tx_csum); |
| |
| 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; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_tx_csum); |
| |
| 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; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum); |
| |
| int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data) |
| { |
| if (data) |
| dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
| else |
| dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum); |
| |
| u32 ethtool_op_get_sg(struct net_device *dev) |
| { |
| return (dev->features & NETIF_F_SG) != 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_sg); |
| |
| 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; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_sg); |
| |
| u32 ethtool_op_get_tso(struct net_device *dev) |
| { |
| return (dev->features & NETIF_F_TSO) != 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_tso); |
| |
| 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; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_tso); |
| |
| u32 ethtool_op_get_ufo(struct net_device *dev) |
| { |
| return (dev->features & NETIF_F_UFO) != 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_ufo); |
| |
| 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; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_ufo); |
| |
| /* the following list of flags are the same as their associated |
| * NETIF_F_xxx values in include/linux/netdevice.h |
| */ |
| static const u32 flags_dup_features = |
| (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | ETH_FLAG_NTUPLE | |
| ETH_FLAG_RXHASH); |
| |
| u32 ethtool_op_get_flags(struct net_device *dev) |
| { |
| /* in the future, this function will probably contain additional |
| * handling for flags which are not so easily handled |
| * by a simple masking operation |
| */ |
| |
| return dev->features & flags_dup_features; |
| } |
| EXPORT_SYMBOL(ethtool_op_get_flags); |
| |
| /* Check if device can enable (or disable) particular feature coded in "data" |
| * argument. Flags "supported" describe features that can be toggled by device. |
| * If feature can not be toggled, it state (enabled or disabled) must match |
| * hardcoded device features state, otherwise flags are marked as invalid. |
| */ |
| bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported) |
| { |
| u32 features = dev->features & flags_dup_features; |
| /* "data" can contain only flags_dup_features bits, |
| * see __ethtool_set_flags */ |
| |
| return (features & ~supported) != (data & ~supported); |
| } |
| EXPORT_SYMBOL(ethtool_invalid_flags); |
| |
| int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported) |
| { |
| if (ethtool_invalid_flags(dev, data, supported)) |
| return -EINVAL; |
| |
| dev->features = ((dev->features & ~flags_dup_features) | |
| (data & flags_dup_features)); |
| return 0; |
| } |
| EXPORT_SYMBOL(ethtool_op_set_flags); |
| |
| void ethtool_ntuple_flush(struct net_device *dev) |
| { |
| struct ethtool_rx_ntuple_flow_spec_container *fsc, *f; |
| |
| list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) { |
| list_del(&fsc->list); |
| kfree(fsc); |
| } |
| dev->ethtool_ntuple_list.count = 0; |
| } |
| EXPORT_SYMBOL(ethtool_ntuple_flush); |
| |
| /* Handlers for each ethtool command */ |
| |
| #define ETHTOOL_DEV_FEATURE_WORDS 1 |
| |
| static void ethtool_get_features_compat(struct net_device *dev, |
| struct ethtool_get_features_block *features) |
| { |
| if (!dev->ethtool_ops) |
| return; |
| |
| /* getting RX checksum */ |
| if (dev->ethtool_ops->get_rx_csum) |
| if (dev->ethtool_ops->get_rx_csum(dev)) |
| features[0].active |= NETIF_F_RXCSUM; |
| |
| /* mark legacy-changeable features */ |
| if (dev->ethtool_ops->set_sg) |
| features[0].available |= NETIF_F_SG; |
| if (dev->ethtool_ops->set_tx_csum) |
| features[0].available |= NETIF_F_ALL_CSUM; |
| if (dev->ethtool_ops->set_tso) |
| features[0].available |= NETIF_F_ALL_TSO; |
| if (dev->ethtool_ops->set_rx_csum) |
| features[0].available |= NETIF_F_RXCSUM; |
| if (dev->ethtool_ops->set_flags) |
| features[0].available |= flags_dup_features; |
| } |
| |
| static int ethtool_set_feature_compat(struct net_device *dev, |
| int (*legacy_set)(struct net_device *, u32), |
| struct ethtool_set_features_block *features, u32 mask) |
| { |
| u32 do_set; |
| |
| if (!legacy_set) |
| return 0; |
| |
| if (!(features[0].valid & mask)) |
| return 0; |
| |
| features[0].valid &= ~mask; |
| |
| do_set = !!(features[0].requested & mask); |
| |
| if (legacy_set(dev, do_set) < 0) |
| netdev_info(dev, |
| "Legacy feature change (%s) failed for 0x%08x\n", |
| do_set ? "set" : "clear", mask); |
| |
| return 1; |
| } |
| |
| static int ethtool_set_features_compat(struct net_device *dev, |
| struct ethtool_set_features_block *features) |
| { |
| int compat; |
| |
| if (!dev->ethtool_ops) |
| return 0; |
| |
| compat = ethtool_set_feature_compat(dev, dev->ethtool_ops->set_sg, |
| features, NETIF_F_SG); |
| compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_tx_csum, |
| features, NETIF_F_ALL_CSUM); |
| compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_tso, |
| features, NETIF_F_ALL_TSO); |
| compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_rx_csum, |
| features, NETIF_F_RXCSUM); |
| compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_flags, |
| features, flags_dup_features); |
| |
| return compat; |
| } |
| |
| static int ethtool_get_features(struct net_device *dev, void __user *useraddr) |
| { |
| struct ethtool_gfeatures cmd = { |
| .cmd = ETHTOOL_GFEATURES, |
| .size = ETHTOOL_DEV_FEATURE_WORDS, |
| }; |
| struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS] = { |
| { |
| .available = dev->hw_features, |
| .requested = dev->wanted_features, |
| .active = dev->features, |
| .never_changed = NETIF_F_NEVER_CHANGE, |
| }, |
| }; |
| u32 __user *sizeaddr; |
| u32 copy_size; |
| |
| ethtool_get_features_compat(dev, features); |
| |
| sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); |
| if (get_user(copy_size, sizeaddr)) |
| return -EFAULT; |
| |
| if (copy_size > ETHTOOL_DEV_FEATURE_WORDS) |
| copy_size = ETHTOOL_DEV_FEATURE_WORDS; |
| |
| if (copy_to_user(useraddr, &cmd, sizeof(cmd))) |
| return -EFAULT; |
| useraddr += sizeof(cmd); |
| if (copy_to_user(useraddr, features, copy_size * sizeof(*features))) |
| return -EFAULT; |
| |
| return 0; |
| } |
| |
| static int ethtool_set_features(struct net_device *dev, void __user *useraddr) |
| { |
| struct ethtool_sfeatures cmd; |
| struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS]; |
| int ret = 0; |
| |
| if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| return -EFAULT; |
| useraddr += sizeof(cmd); |
| |
| if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS) |
| return -EINVAL; |
| |
| if (copy_from_user(features, useraddr, sizeof(features))) |
| return -EFAULT; |
| |
| if (features[0].valid & ~NETIF_F_ETHTOOL_BITS) |
| return -EINVAL; |
| |
| if (ethtool_set_features_compat(dev, features)) |
| ret |= ETHTOOL_F_COMPAT; |
| |
| if (features[0].valid & ~dev->hw_features) { |
| features[0].valid &= dev->hw_features; |
| ret |= ETHTOOL_F_UNSUPPORTED; |
| } |
| |
| dev->wanted_features &= ~features[0].valid; |
| dev->wanted_features |= features[0].valid & features[0].requested; |
| __netdev_update_features(dev); |
| |
| if ((dev->wanted_features ^ dev->features) & features[0].valid) |
| ret |= ETHTOOL_F_WISH; |
| |
| return ret; |
| } |
| |
| static const char netdev_features_strings[ETHTOOL_DEV_FEATURE_WORDS * 32][ETH_GSTRING_LEN] = { |
| /* NETIF_F_SG */ "tx-scatter-gather", |
| /* NETIF_F_IP_CSUM */ "tx-checksum-ipv4", |
| /* NETIF_F_NO_CSUM */ "tx-checksum-unneeded", |
| /* NETIF_F_HW_CSUM */ "tx-checksum-ip-generic", |
| /* NETIF_F_IPV6_CSUM */ "tx_checksum-ipv6", |
| /* NETIF_F_HIGHDMA */ "highdma", |
| /* NETIF_F_FRAGLIST */ "tx-scatter-gather-fraglist", |
| /* NETIF_F_HW_VLAN_TX */ "tx-vlan-hw-insert", |
| |
| /* NETIF_F_HW_VLAN_RX */ "rx-vlan-hw-parse", |
| /* NETIF_F_HW_VLAN_FILTER */ "rx-vlan-filter", |
| /* NETIF_F_VLAN_CHALLENGED */ "vlan-challenged", |
| /* NETIF_F_GSO */ "tx-generic-segmentation", |
| /* NETIF_F_LLTX */ "tx-lockless", |
| /* NETIF_F_NETNS_LOCAL */ "netns-local", |
| /* NETIF_F_GRO */ "rx-gro", |
| /* NETIF_F_LRO */ "rx-lro", |
| |
| /* NETIF_F_TSO */ "tx-tcp-segmentation", |
| /* NETIF_F_UFO */ "tx-udp-fragmentation", |
| /* NETIF_F_GSO_ROBUST */ "tx-gso-robust", |
| /* NETIF_F_TSO_ECN */ "tx-tcp-ecn-segmentation", |
| /* NETIF_F_TSO6 */ "tx-tcp6-segmentation", |
| /* NETIF_F_FSO */ "tx-fcoe-segmentation", |
| "", |
| "", |
| |
| /* NETIF_F_FCOE_CRC */ "tx-checksum-fcoe-crc", |
| /* NETIF_F_SCTP_CSUM */ "tx-checksum-sctp", |
| /* NETIF_F_FCOE_MTU */ "fcoe-mtu", |
| /* NETIF_F_NTUPLE */ "rx-ntuple-filter", |
| /* NETIF_F_RXHASH */ "rx-hashing", |
| /* NETIF_F_RXCSUM */ "rx-checksum", |
| /* NETIF_F_NOCACHE_COPY */ "tx-nocache-copy" |
| "", |
| }; |
| |
| static int __ethtool_get_sset_count(struct net_device *dev, int sset) |
| { |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| |
| if (sset == ETH_SS_FEATURES) |
| return ARRAY_SIZE(netdev_features_strings); |
| |
| if (ops && ops->get_sset_count && ops->get_strings) |
| return ops->get_sset_count(dev, sset); |
| else |
| return -EOPNOTSUPP; |
| } |
| |
| static void __ethtool_get_strings(struct net_device *dev, |
| u32 stringset, u8 *data) |
| { |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| |
| if (stringset == ETH_SS_FEATURES) |
| memcpy(data, netdev_features_strings, |
| sizeof(netdev_features_strings)); |
| else |
| /* ops->get_strings is valid because checked earlier */ |
| ops->get_strings(dev, stringset, data); |
| } |
| |
| static u32 ethtool_get_feature_mask(u32 eth_cmd) |
| { |
| /* feature masks of legacy discrete ethtool ops */ |
| |
| switch (eth_cmd) { |
| case ETHTOOL_GTXCSUM: |
| case ETHTOOL_STXCSUM: |
| return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; |
| case ETHTOOL_GRXCSUM: |
| case ETHTOOL_SRXCSUM: |
| return NETIF_F_RXCSUM; |
| case ETHTOOL_GSG: |
| case ETHTOOL_SSG: |
| return NETIF_F_SG; |
| case ETHTOOL_GTSO: |
| case ETHTOOL_STSO: |
| return NETIF_F_ALL_TSO; |
| case ETHTOOL_GUFO: |
| case ETHTOOL_SUFO: |
| return NETIF_F_UFO; |
| case ETHTOOL_GGSO: |
| case ETHTOOL_SGSO: |
| return NETIF_F_GSO; |
| case ETHTOOL_GGRO: |
| case ETHTOOL_SGRO: |
| return NETIF_F_GRO; |
| default: |
| BUG(); |
| } |
| } |
| |
| static void *__ethtool_get_one_feature_actor(struct net_device *dev, u32 ethcmd) |
| { |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| |
| if (!ops) |
| return NULL; |
| |
| switch (ethcmd) { |
| case ETHTOOL_GTXCSUM: |
| return ops->get_tx_csum; |
| case ETHTOOL_GRXCSUM: |
| return ops->get_rx_csum; |
| case ETHTOOL_SSG: |
| return ops->get_sg; |
| case ETHTOOL_STSO: |
| return ops->get_tso; |
| case ETHTOOL_SUFO: |
| return ops->get_ufo; |
| default: |
| return NULL; |
| } |
| } |
| |
| static u32 __ethtool_get_rx_csum_oldbug(struct net_device *dev) |
| { |
| return !!(dev->features & NETIF_F_ALL_CSUM); |
| } |
| |
| static int ethtool_get_one_feature(struct net_device *dev, |
| char __user *useraddr, u32 ethcmd) |
| { |
| u32 mask = ethtool_get_feature_mask(ethcmd); |
| struct ethtool_value edata = { |
| .cmd = ethcmd, |
| .data = !!(dev->features & mask), |
| }; |
| |
| /* compatibility with discrete get_ ops */ |
| if (!(dev->hw_features & mask)) { |
| u32 (*actor)(struct net_device *); |
| |
| actor = __ethtool_get_one_feature_actor(dev, ethcmd); |
| |
| /* bug compatibility with old get_rx_csum */ |
| if (ethcmd == ETHTOOL_GRXCSUM && !actor) |
| actor = __ethtool_get_rx_csum_oldbug; |
| |
| if (actor) |
| edata.data = actor(dev); |
| } |
| |
| if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static int __ethtool_set_tx_csum(struct net_device *dev, u32 data); |
| static int __ethtool_set_rx_csum(struct net_device *dev, u32 data); |
| static int __ethtool_set_sg(struct net_device *dev, u32 data); |
| static int __ethtool_set_tso(struct net_device *dev, u32 data); |
| static int __ethtool_set_ufo(struct net_device *dev, u32 data); |
| |
| static int ethtool_set_one_feature(struct net_device *dev, |
| void __user *useraddr, u32 ethcmd) |
| { |
| struct ethtool_value edata; |
| u32 mask; |
| |
| if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| return -EFAULT; |
| |
| mask = ethtool_get_feature_mask(ethcmd); |
| mask &= dev->hw_features; |
| if (mask) { |
| if (edata.data) |
| dev->wanted_features |= mask; |
| else |
| dev->wanted_features &= ~mask; |
| |
| __netdev_update_features(dev); |
| return 0; |
| } |
| |
| /* Driver is not converted to ndo_fix_features or does not |
| * support changing this offload. In the latter case it won't |
| * have corresponding ethtool_ops field set. |
| * |
| * Following part is to be removed after all drivers advertise |
| * their changeable features in netdev->hw_features and stop |
| * using discrete offload setting ops. |
| */ |
| |
| switch (ethcmd) { |
| case ETHTOOL_STXCSUM: |
| return __ethtool_set_tx_csum(dev, edata.data); |
| case ETHTOOL_SRXCSUM: |
| return __ethtool_set_rx_csum(dev, edata.data); |
| case ETHTOOL_SSG: |
| return __ethtool_set_sg(dev, edata.data); |
| case ETHTOOL_STSO: |
| return __ethtool_set_tso(dev, edata.data); |
| case ETHTOOL_SUFO: |
| return __ethtool_set_ufo(dev, edata.data); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| int __ethtool_set_flags(struct net_device *dev, u32 data) |
| { |
| u32 changed; |
| |
| if (data & ~flags_dup_features) |
| return -EINVAL; |
| |
| /* legacy set_flags() op */ |
| if (dev->ethtool_ops->set_flags) { |
| if (unlikely(dev->hw_features & flags_dup_features)) |
| netdev_warn(dev, |
| "driver BUG: mixed hw_features and set_flags()\n"); |
| return dev->ethtool_ops->set_flags(dev, data); |
| } |
| |
| /* allow changing only bits set in hw_features */ |
| changed = (data ^ dev->features) & flags_dup_features; |
| if (changed & ~dev->hw_features) |
| return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; |
| |
| dev->wanted_features = |
| (dev->wanted_features & ~changed) | (data & dev->hw_features); |
| |
| __netdev_update_features(dev); |
| |
| return 0; |
| } |
| |
| static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) |
| { |
| struct ethtool_cmd 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 noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_drvinfo info; |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| |
| memset(&info, 0, sizeof(info)); |
| info.cmd = ETHTOOL_GDRVINFO; |
| if (ops && ops->get_drvinfo) { |
| ops->get_drvinfo(dev, &info); |
| } else if (dev->dev.parent && dev->dev.parent->driver) { |
| strlcpy(info.bus_info, dev_name(dev->dev.parent), |
| sizeof(info.bus_info)); |
| strlcpy(info.driver, dev->dev.parent->driver->name, |
| sizeof(info.driver)); |
| } else { |
| return -EOPNOTSUPP; |
| } |
| |
| /* |
| * this method of obtaining string set info is deprecated; |
| * Use ETHTOOL_GSSET_INFO instead. |
| */ |
| if (ops && ops->get_sset_count) { |
| int rc; |
| |
| rc = ops->get_sset_count(dev, ETH_SS_TEST); |
| if (rc >= 0) |
| info.testinfo_len = rc; |
| rc = ops->get_sset_count(dev, ETH_SS_STATS); |
| if (rc >= 0) |
| info.n_stats = rc; |
| rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); |
| if (rc >= 0) |
| info.n_priv_flags = rc; |
| } |
| if (ops && ops->get_regs_len) |
| info.regdump_len = ops->get_regs_len(dev); |
| if (ops && 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 noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_sset_info info; |
| u64 sset_mask; |
| int i, idx = 0, n_bits = 0, ret, rc; |
| u32 *info_buf = NULL; |
| |
| if (copy_from_user(&info, useraddr, sizeof(info))) |
| return -EFAULT; |
| |
| /* store copy of mask, because we zero struct later on */ |
| sset_mask = info.sset_mask; |
| if (!sset_mask) |
| return 0; |
| |
| /* calculate size of return buffer */ |
| n_bits = hweight64(sset_mask); |
| |
| memset(&info, 0, sizeof(info)); |
| info.cmd = ETHTOOL_GSSET_INFO; |
| |
| info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); |
| if (!info_buf) |
| return -ENOMEM; |
| |
| /* |
| * fill return buffer based on input bitmask and successful |
| * get_sset_count return |
| */ |
| for (i = 0; i < 64; i++) { |
| if (!(sset_mask & (1ULL << i))) |
| continue; |
| |
| rc = __ethtool_get_sset_count(dev, i); |
| if (rc >= 0) { |
| info.sset_mask |= (1ULL << i); |
| info_buf[idx++] = rc; |
| } |
| } |
| |
| ret = -EFAULT; |
| if (copy_to_user(useraddr, &info, sizeof(info))) |
| goto out; |
| |
| useraddr += offsetof(struct ethtool_sset_info, data); |
| if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) |
| goto out; |
| |
| ret = 0; |
| |
| out: |
| kfree(info_buf); |
| return ret; |
| } |
| |
| static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, |
| u32 cmd, void __user *useraddr) |
| { |
| struct ethtool_rxnfc info; |
| size_t info_size = sizeof(info); |
| |
| if (!dev->ethtool_ops->set_rxnfc) |
| return -EOPNOTSUPP; |
| |
| /* struct ethtool_rxnfc was originally defined for |
| * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data |
| * members. User-space might still be using that |
| * definition. */ |
| if (cmd == ETHTOOL_SRXFH) |
| info_size = (offsetof(struct ethtool_rxnfc, data) + |
| sizeof(info.data)); |
| |
| if (copy_from_user(&info, useraddr, info_size)) |
| return -EFAULT; |
| |
| return dev->ethtool_ops->set_rxnfc(dev, &info); |
| } |
| |
| static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, |
| u32 cmd, void __user *useraddr) |
| { |
| struct ethtool_rxnfc info; |
| size_t info_size = sizeof(info); |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| int ret; |
| void *rule_buf = NULL; |
| |
| if (!ops->get_rxnfc) |
| return -EOPNOTSUPP; |
| |
| /* struct ethtool_rxnfc was originally defined for |
| * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data |
| * members. User-space might still be using that |
| * definition. */ |
| if (cmd == ETHTOOL_GRXFH) |
| info_size = (offsetof(struct ethtool_rxnfc, data) + |
| sizeof(info.data)); |
| |
| if (copy_from_user(&info, useraddr, info_size)) |
| return -EFAULT; |
| |
| if (info.cmd == ETHTOOL_GRXCLSRLALL) { |
| if (info.rule_cnt > 0) { |
| if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) |
| rule_buf = kzalloc(info.rule_cnt * sizeof(u32), |
| GFP_USER); |
| if (!rule_buf) |
| return -ENOMEM; |
| } |
| } |
| |
| ret = ops->get_rxnfc(dev, &info, rule_buf); |
| if (ret < 0) |
| goto err_out; |
| |
| ret = -EFAULT; |
| if (copy_to_user(useraddr, &info, info_size)) |
| goto err_out; |
| |
| if (rule_buf) { |
| useraddr += offsetof(struct ethtool_rxnfc, rule_locs); |
| if (copy_to_user(useraddr, rule_buf, |
| info.rule_cnt * sizeof(u32))) |
| goto err_out; |
| } |
| ret = 0; |
| |
| err_out: |
| kfree(rule_buf); |
| |
| return ret; |
| } |
| |
| static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_rxfh_indir *indir; |
| u32 table_size; |
| size_t full_size; |
| int ret; |
| |
| if (!dev->ethtool_ops->get_rxfh_indir) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&table_size, |
| useraddr + offsetof(struct ethtool_rxfh_indir, size), |
| sizeof(table_size))) |
| return -EFAULT; |
| |
| if (table_size > |
| (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) |
| return -ENOMEM; |
| full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; |
| indir = kzalloc(full_size, GFP_USER); |
| if (!indir) |
| return -ENOMEM; |
| |
| indir->cmd = ETHTOOL_GRXFHINDIR; |
| indir->size = table_size; |
| ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); |
| if (ret) |
| goto out; |
| |
| if (copy_to_user(useraddr, indir, full_size)) |
| ret = -EFAULT; |
| |
| out: |
| kfree(indir); |
| return ret; |
| } |
| |
| static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_rxfh_indir *indir; |
| u32 table_size; |
| size_t full_size; |
| int ret; |
| |
| if (!dev->ethtool_ops->set_rxfh_indir) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&table_size, |
| useraddr + offsetof(struct ethtool_rxfh_indir, size), |
| sizeof(table_size))) |
| return -EFAULT; |
| |
| if (table_size > |
| (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) |
| return -ENOMEM; |
| full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; |
| indir = kmalloc(full_size, GFP_USER); |
| if (!indir) |
| return -ENOMEM; |
| |
| if (copy_from_user(indir, useraddr, full_size)) { |
| ret = -EFAULT; |
| goto out; |
| } |
| |
| ret = dev->ethtool_ops->set_rxfh_indir(dev, indir); |
| |
| out: |
| kfree(indir); |
| return ret; |
| } |
| |
| static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list, |
| struct ethtool_rx_ntuple_flow_spec *spec, |
| struct ethtool_rx_ntuple_flow_spec_container *fsc) |
| { |
| |
| /* don't add filters forever */ |
| if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) { |
| /* free the container */ |
| kfree(fsc); |
| return; |
| } |
| |
| /* Copy the whole filter over */ |
| fsc->fs.flow_type = spec->flow_type; |
| memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u)); |
| memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u)); |
| |
| fsc->fs.vlan_tag = spec->vlan_tag; |
| fsc->fs.vlan_tag_mask = spec->vlan_tag_mask; |
| fsc->fs.data = spec->data; |
| fsc->fs.data_mask = spec->data_mask; |
| fsc->fs.action = spec->action; |
| |
| /* add to the list */ |
| list_add_tail_rcu(&fsc->list, &list->list); |
| list->count++; |
| } |
| |
| /* |
| * ethtool does not (or did not) set masks for flow parameters that are |
| * not specified, so if both value and mask are 0 then this must be |
| * treated as equivalent to a mask with all bits set. Implement that |
| * here rather than in drivers. |
| */ |
| static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs) |
| { |
| struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec; |
| struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec; |
| |
| if (fs->flow_type != TCP_V4_FLOW && |
| fs->flow_type != UDP_V4_FLOW && |
| fs->flow_type != SCTP_V4_FLOW) |
| return; |
| |
| if (!(entry->ip4src | mask->ip4src)) |
| mask->ip4src = htonl(0xffffffff); |
| if (!(entry->ip4dst | mask->ip4dst)) |
| mask->ip4dst = htonl(0xffffffff); |
| if (!(entry->psrc | mask->psrc)) |
| mask->psrc = htons(0xffff); |
| if (!(entry->pdst | mask->pdst)) |
| mask->pdst = htons(0xffff); |
| if (!(entry->tos | mask->tos)) |
| mask->tos = 0xff; |
| if (!(fs->vlan_tag | fs->vlan_tag_mask)) |
| fs->vlan_tag_mask = 0xffff; |
| if (!(fs->data | fs->data_mask)) |
| fs->data_mask = 0xffffffffffffffffULL; |
| } |
| |
| static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_rx_ntuple cmd; |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL; |
| int ret; |
| |
| if (!ops->set_rx_ntuple) |
| return -EOPNOTSUPP; |
| |
| if (!(dev->features & NETIF_F_NTUPLE)) |
| return -EINVAL; |
| |
| if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| return -EFAULT; |
| |
| rx_ntuple_fix_masks(&cmd.fs); |
| |
| /* |
| * Cache filter in dev struct for GET operation only if |
| * the underlying driver doesn't have its own GET operation, and |
| * only if the filter was added successfully. First make sure we |
| * can allocate the filter, then continue if successful. |
| */ |
| if (!ops->get_rx_ntuple) { |
| fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC); |
| if (!fsc) |
| return -ENOMEM; |
| } |
| |
| ret = ops->set_rx_ntuple(dev, &cmd); |
| if (ret) { |
| kfree(fsc); |
| return ret; |
| } |
| |
| if (!ops->get_rx_ntuple) |
| __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc); |
| |
| return ret; |
| } |
| |
| static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr) |
| { |
| struct ethtool_gstrings gstrings; |
| const struct ethtool_ops *ops = dev->ethtool_ops; |
| struct ethtool_rx_ntuple_flow_spec_container *fsc; |
| u8 *data; |
| char *p; |
| int ret, i, num_strings = 0; |
| |
| if (!ops->get_sset_count) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
| return -EFAULT; |
| |
| ret = ops->get_sset_count(dev, gstrings.string_set); |
| if (ret < 0) |
| return ret; |
| |
| gstrings.len = ret; |
| |
| data = kzalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); |
| if (!data) |
| return -ENOMEM; |
| |
| if (ops->get_rx_ntuple) { |
| /* driver-specific filter grab */ |
| ret = ops->get_rx_ntuple(dev, gstrings.string_set, data); |
| goto copy; |
| } |
| |
| /* default ethtool filter grab */ |
| i = 0; |
| p = (char *)data; |
| list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) { |
| sprintf(p, "Filter %d:\n", i); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| |
| switch (fsc->fs.flow_type) { |
| case TCP_V4_FLOW: |
| sprintf(p, "\tFlow Type: TCP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case UDP_V4_FLOW: |
| sprintf(p, "\tFlow Type: UDP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case SCTP_V4_FLOW: |
| sprintf(p, "\tFlow Type: SCTP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case AH_ESP_V4_FLOW: |
| sprintf(p, "\tFlow Type: AH ESP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case ESP_V4_FLOW: |
| sprintf(p, "\tFlow Type: ESP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case IP_USER_FLOW: |
| sprintf(p, "\tFlow Type: Raw IP\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case IPV4_FLOW: |
| sprintf(p, "\tFlow Type: IPv4\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| default: |
| sprintf(p, "\tFlow Type: Unknown\n"); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| goto unknown_filter; |
| } |
| |
| /* now the rest of the filters */ |
| switch (fsc->fs.flow_type) { |
| case TCP_V4_FLOW: |
| case UDP_V4_FLOW: |
| case SCTP_V4_FLOW: |
| sprintf(p, "\tSrc IP addr: 0x%x\n", |
| fsc->fs.h_u.tcp_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSrc IP mask: 0x%x\n", |
| fsc->fs.m_u.tcp_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP addr: 0x%x\n", |
| fsc->fs.h_u.tcp_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP mask: 0x%x\n", |
| fsc->fs.m_u.tcp_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSrc Port: %d, mask: 0x%x\n", |
| fsc->fs.h_u.tcp_ip4_spec.psrc, |
| fsc->fs.m_u.tcp_ip4_spec.psrc); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest Port: %d, mask: 0x%x\n", |
| fsc->fs.h_u.tcp_ip4_spec.pdst, |
| fsc->fs.m_u.tcp_ip4_spec.pdst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tTOS: %d, mask: 0x%x\n", |
| fsc->fs.h_u.tcp_ip4_spec.tos, |
| fsc->fs.m_u.tcp_ip4_spec.tos); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case AH_ESP_V4_FLOW: |
| case ESP_V4_FLOW: |
| sprintf(p, "\tSrc IP addr: 0x%x\n", |
| fsc->fs.h_u.ah_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSrc IP mask: 0x%x\n", |
| fsc->fs.m_u.ah_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP addr: 0x%x\n", |
| fsc->fs.h_u.ah_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP mask: 0x%x\n", |
| fsc->fs.m_u.ah_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSPI: %d, mask: 0x%x\n", |
| fsc->fs.h_u.ah_ip4_spec.spi, |
| fsc->fs.m_u.ah_ip4_spec.spi); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tTOS: %d, mask: 0x%x\n", |
| fsc->fs.h_u.ah_ip4_spec.tos, |
| fsc->fs.m_u.ah_ip4_spec.tos); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case IP_USER_FLOW: |
| sprintf(p, "\tSrc IP addr: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSrc IP mask: 0x%x\n", |
| fsc->fs.m_u.usr_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP addr: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP mask: 0x%x\n", |
| fsc->fs.m_u.usr_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| case IPV4_FLOW: |
| sprintf(p, "\tSrc IP addr: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tSrc IP mask: 0x%x\n", |
| fsc->fs.m_u.usr_ip4_spec.ip4src); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP addr: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tDest IP mask: 0x%x\n", |
| fsc->fs.m_u.usr_ip4_spec.ip4dst); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.l4_4_bytes, |
| fsc->fs.m_u.usr_ip4_spec.l4_4_bytes); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tTOS: %d, mask: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.tos, |
| fsc->fs.m_u.usr_ip4_spec.tos); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tIP Version: %d, mask: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.ip_ver, |
| fsc->fs.m_u.usr_ip4_spec.ip_ver); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tProtocol: %d, mask: 0x%x\n", |
| fsc->fs.h_u.usr_ip4_spec.proto, |
| fsc->fs.m_u.usr_ip4_spec.proto); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| break; |
| } |
| sprintf(p, "\tVLAN: %d, mask: 0x%x\n", |
| fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) |
| sprintf(p, "\tAction: Drop\n"); |
| else |
| sprintf(p, "\tAction: Direct to queue %d\n", |
| fsc->fs.action); |
| p += ETH_GSTRING_LEN; |
| num_strings++; |
| unknown_filter: |
| i++; |
| } |
| copy: |
| /* indicate to userspace how many strings we actually have */ |
| gstrings.len = num_strings; |
| 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_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 = vzalloc(reglen); |
| 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: |
| vfree(regbuf); |
| return ret; |
| } |
| |
| static int ethtool_reset(struct net_device *dev, char __user *useraddr) |
| { |
| struct ethtool_value reset; |
| int ret; |
| |
| if (!dev->ethtool_ops->reset) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&reset, useraddr, sizeof(reset))) |
| return -EFAULT; |
| |
| ret = dev->ethtool_ops->reset(dev, &reset.data); |
| if (ret) |
| return ret; |
| |
| if (copy_to_user(useraddr, &reset, sizeof(reset))) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) |
| { |
| struct ethtool_wolinfo wol = { .cmd = 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_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, char __user *useraddr) |
| { |
| struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; |
| |
| if (!dev->ethtool_ops->get_link) |
| return -EOPNOTSUPP; |
| |
| edata.data = netif_running(dev) && 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; |
| void __user *userbuf = useraddr + sizeof(eeprom); |
| u32 bytes_remaining; |
| u8 *data; |
| int ret = 0; |
| |
| 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(PAGE_SIZE, GFP_USER); |
| if (!data) |
| return -ENOMEM; |
| |
| bytes_remaining = eeprom.len; |
| while (bytes_remaining > 0) { |
| eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); |
| |
| ret = ops->get_eeprom(dev, &eeprom, data); |
| if (ret) |
| break; |
| if (copy_to_user(userbuf, data, eeprom.len)) { |
| ret = -EFAULT; |
| break; |
| } |
| userbuf += eeprom.len; |
| eeprom.offset += eeprom.len; |
| bytes_remaining -= eeprom.len; |
| } |
| |
| eeprom.len = userbuf - (useraddr + sizeof(eeprom)); |
| eeprom.offset -= eeprom.len; |
| if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) |
| ret = -EFAULT; |
| |
| 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; |
| void __user *userbuf = useraddr + sizeof(eeprom); |
| u32 bytes_remaining; |
| u8 *data; |
| int ret = 0; |
| |
| 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(PAGE_SIZE, GFP_USER); |
| if (!data) |
| return -ENOMEM; |
| |
| bytes_remaining = eeprom.len; |
| while (bytes_remaining > 0) { |
| eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); |
| |
| if (copy_from_user(data, userbuf, eeprom.len)) { |
| ret = -EFAULT; |
| break; |
| } |
| ret = ops->set_eeprom(dev, &eeprom, data); |
| if (ret) |
| break; |
| userbuf += eeprom.len; |
| eeprom.offset += eeprom.len; |
| bytes_remaining -= eeprom.len; |
| } |
| |
| kfree(data); |
| return ret; |
| } |
| |
| static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_coalesce coalesce = { .cmd = 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 noinline_for_stack 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 = { .cmd = 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 noinline_for_stack int ethtool_get_channels(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; |
| |
| if (!dev->ethtool_ops->get_channels) |
| return -EOPNOTSUPP; |
| |
| dev->ethtool_ops->get_channels(dev, &channels); |
| |
| if (copy_to_user(useraddr, &channels, sizeof(channels))) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static noinline_for_stack int ethtool_set_channels(struct net_device *dev, |
| void __user *useraddr) |
| { |
| struct ethtool_channels channels; |
| |
| if (!dev->ethtool_ops->set_channels) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&channels, useraddr, sizeof(channels))) |
| return -EFAULT; |
| |
| return dev->ethtool_ops->set_channels(dev, &channels); |
| } |
| |
| 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_set_sg(struct net_device *dev, u32 data) |
| { |
| int err; |
| |
| if (!dev->ethtool_ops->set_sg) |
| return -EOPNOTSUPP; |
| |
| if (data && !(dev->features & NETIF_F_ALL_CSUM)) |
| return -EINVAL; |
| |
| 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, u32 data) |
| { |
| int err; |
| |
| if (!dev->ethtool_ops->set_tx_csum) |
| return -EOPNOTSUPP; |
| |
| if (!data && dev->ethtool_ops->set_sg) { |
| err = __ethtool_set_sg(dev, 0); |
| if (err) |
| return err; |
| } |
| |
| return dev->ethtool_ops->set_tx_csum(dev, data); |
| } |
| |
| static int __ethtool_set_rx_csum(struct net_device *dev, u32 data) |
| { |
| if (!dev->ethtool_ops->set_rx_csum) |
| return -EOPNOTSUPP; |
| |
| if (!data) |
| dev->features &= ~NETIF_F_GRO; |
| |
| return dev->ethtool_ops->set_rx_csum(dev, data); |
| } |
| |
| static int __ethtool_set_tso(struct net_device *dev, u32 data) |
| { |
| if (!dev->ethtool_ops->set_tso) |
| return -EOPNOTSUPP; |
| |
| if (data && !(dev->features & NETIF_F_SG)) |
| return -EINVAL; |
| |
| return dev->ethtool_ops->set_tso(dev, data); |
| } |
| |
| static int __ethtool_set_ufo(struct net_device *dev, u32 data) |
| { |
| if (!dev->ethtool_ops->set_ufo) |
| return -EOPNOTSUPP; |
| if (data && !(dev->features & NETIF_F_SG)) |
| return -EINVAL; |
| if (data && !((dev->features & NETIF_F_GEN_CSUM) || |
| (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM)) |
| == (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) |
| return -EINVAL; |
| return dev->ethtool_ops->set_ufo(dev, data); |
| } |
| |
| 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, test_len; |
| |
| if (!ops->self_test || !ops->get_sset_count) |
| return -EOPNOTSUPP; |
| |
| test_len = ops->get_sset_count(dev, ETH_SS_TEST); |
| if (test_len < 0) |
| return test_len; |
| WARN_ON(test_len == 0); |
| |
| if (copy_from_user(&test, useraddr, sizeof(test))) |
| return -EFAULT; |
| |
| test.len = test_len; |
| 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; |
| u8 *data; |
| int ret; |
| |
| if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) |
| return -EFAULT; |
| |
| ret = __ethtool_get_sset_count(dev, gstrings.string_set); |
| if (ret < 0) |
| return ret; |
| |
| gstrings.len = ret; |
| |
| data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); |
| if (!data) |
| return -ENOMEM; |
| |
| __ethtool_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; |
| static bool busy; |
| int rc; |
| |
| if (!dev->ethtool_ops->set_phys_id) |
| return -EOPNOTSUPP; |
| |
| if (busy) |
| return -EBUSY; |
| |
| if (copy_from_user(&id, useraddr, sizeof(id))) |
| return -EFAULT; |
| |
| rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE); |
| if (rc < 0) |
| return rc; |
| |
| /* Drop the RTNL lock while waiting, but prevent reentry or |
| * removal of the device. |
| */ |
| busy = true; |
| dev_hold(dev); |
| rtnl_unlock(); |
| |
| if (rc == 0) { |
| /* Driver will handle this itself */ |
| schedule_timeout_interruptible( |
| id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); |
| } else { |
| /* Driver expects to be called at twice the frequency in rc */ |
| int n = rc * 2, i, interval = HZ / n; |
| |
| /* Count down seconds */ |
| do { |
| /* Count down iterations per second */ |
| i = n; |
| do { |
| rtnl_lock(); |
| rc = dev->ethtool_ops->set_phys_id(dev, |
| (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); |
| rtnl_unlock(); |
| if (rc) |
| break; |
| schedule_timeout_interruptible(interval); |
| } while (!signal_pending(current) && --i != 0); |
| } while (!signal_pending(current) && |
| (id.data == 0 || --id.data != 0)); |
| } |
| |
| rtnl_lock(); |
| dev_put(dev); |
| busy = false; |
| |
| (void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); |
| return rc; |
| } |
| |
| 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, n_stats; |
| |
| if (!ops->get_ethtool_stats || !ops->get_sset_count) |
| return -EOPNOTSUPP; |
| |
| n_stats = ops->get_sset_count(dev, ETH_SS_STATS); |
| if (n_stats < 0) |
| return n_stats; |
| WARN_ON(n_stats == 0); |
| |
| if (copy_from_user(&stats, useraddr, sizeof(stats))) |
| return -EFAULT; |
| |
| stats.n_stats = n_stats; |
| data = kmalloc(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; |
| |
| if (copy_from_user(&epaddr, useraddr, sizeof(epaddr))) |
| return -EFAULT; |
| |
| if (epaddr.size < dev->addr_len) |
| return -ETOOSMALL; |
| epaddr.size = dev->addr_len; |
| |
| if (copy_to_user(useraddr, &epaddr, sizeof(epaddr))) |
| return -EFAULT; |
| useraddr += sizeof(epaddr); |
| if (copy_to_user(useraddr, dev->perm_addr, epaddr.size)) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static int ethtool_get_value(struct net_device *dev, char __user *useraddr, |
| u32 cmd, u32 (*actor)(struct net_device *)) |
| { |
| struct ethtool_value edata = { .cmd = cmd }; |
| |
| if (!actor) |
| return -EOPNOTSUPP; |
| |
| edata.data = actor(dev); |
| |
| if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr, |
| void (*actor)(struct net_device *, u32)) |
| { |
| struct ethtool_value edata; |
| |
| if (!actor) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| return -EFAULT; |
| |
| actor(dev, edata.data); |
| return 0; |
| } |
| |
| static int ethtool_set_value(struct net_device *dev, char __user *useraddr, |
| int (*actor)(struct net_device *, u32)) |
| { |
| struct ethtool_value edata; |
| |
| if (!actor) |
| return -EOPNOTSUPP; |
| |
| if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| return -EFAULT; |
| |
| return actor(dev, edata.data); |
| } |
| |
| static noinline_for_stack int ethtool_flash_device(struct net_device *dev, |
| char __user *useraddr) |
| { |
| struct ethtool_flash efl; |
| |
| if (copy_from_user(&efl, useraddr, sizeof(efl))) |
| return -EFAULT; |
| |
| if (!dev->ethtool_ops->flash_device) |
| return -EOPNOTSUPP; |
| |
| return dev->ethtool_ops->flash_device(dev, &efl); |
| } |
| |
| /* The main entry point in this file. Called from net/core/dev.c */ |
| |
| int dev_ethtool(struct net *net, struct ifreq *ifr) |
| { |
| struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); |
| void __user *useraddr = ifr->ifr_data; |
| u32 ethcmd; |
| int rc; |
| u32 old_features; |
| |
| if (!dev || !netif_device_present(dev)) |
| return -ENODEV; |
| |
| if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) |
| return -EFAULT; |
| |
| if (!dev->ethtool_ops) { |
| /* ETHTOOL_GDRVINFO does not require any driver support. |
| * It is also unprivileged and does not change anything, |
| * so we can take a shortcut to it. */ |
| if (ethcmd == ETHTOOL_GDRVINFO) |
| return ethtool_get_drvinfo(dev, useraddr); |
| else |
| return -EOPNOTSUPP; |
| } |
| |
| /* Allow some commands to be done by anyone */ |
| switch (ethcmd) { |
| case ETHTOOL_GSET: |
| 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: |
| case ETHTOOL_GGRO: |
| case ETHTOOL_GFLAGS: |
| case ETHTOOL_GPFLAGS: |
| case ETHTOOL_GRXFH: |
| case ETHTOOL_GRXRINGS: |
| case ETHTOOL_GRXCLSRLCNT: |
| case ETHTOOL_GRXCLSRULE: |
| case ETHTOOL_GRXCLSRLALL: |
| case ETHTOOL_GFEATURES: |
| break; |
| default: |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| } |
| |
| if (dev->ethtool_ops->begin) { |
| rc = dev->ethtool_ops->begin(dev); |
| if (rc < 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_value(dev, useraddr, ethcmd, |
| dev->ethtool_ops->get_msglevel); |
| break; |
| case ETHTOOL_SMSGLVL: |
| rc = ethtool_set_value_void(dev, useraddr, |
| dev->ethtool_ops->set_msglevel); |
| 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_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_GFLAGS: |
| rc = ethtool_get_value(dev, useraddr, ethcmd, |
| (dev->ethtool_ops->get_flags ? |
| dev->ethtool_ops->get_flags : |
| ethtool_op_get_flags)); |
| break; |
| case ETHTOOL_SFLAGS: |
| rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags); |
| break; |
| case ETHTOOL_GPFLAGS: |
| rc = ethtool_get_value(dev, useraddr, ethcmd, |
| dev->ethtool_ops->get_priv_flags); |
| break; |
| case ETHTOOL_SPFLAGS: |
| rc = ethtool_set_value(dev, useraddr, |
| dev->ethtool_ops->set_priv_flags); |
| break; |
| case ETHTOOL_GRXFH: |
| case ETHTOOL_GRXRINGS: |
| case ETHTOOL_GRXCLSRLCNT: |
| case ETHTOOL_GRXCLSRULE: |
| case ETHTOOL_GRXCLSRLALL: |
| rc = ethtool_get_rxnfc(dev, ethcmd, useraddr); |
| break; |
| case ETHTOOL_SRXFH: |
| case ETHTOOL_SRXCLSRLDEL: |
| case ETHTOOL_SRXCLSRLINS: |
| rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); |
| break; |
| case ETHTOOL_FLASHDEV: |
| rc = ethtool_flash_device(dev, useraddr); |
| break; |
| case ETHTOOL_RESET: |
| rc = ethtool_reset(dev, useraddr); |
| break; |
| case ETHTOOL_SRXNTUPLE: |
| rc = ethtool_set_rx_ntuple(dev, useraddr); |
| break; |
| case ETHTOOL_GRXNTUPLE: |
| rc = ethtool_get_rx_ntuple(dev, useraddr); |
| break; |
| case ETHTOOL_GSSET_INFO: |
| rc = ethtool_get_sset_info(dev, useraddr); |
| break; |
| case ETHTOOL_GRXFHINDIR: |
| rc = ethtool_get_rxfh_indir(dev, useraddr); |
| break; |
| case ETHTOOL_SRXFHINDIR: |
| rc = ethtool_set_rxfh_indir(dev, useraddr); |
| break; |
| case ETHTOOL_GFEATURES: |
| rc = ethtool_get_features(dev, useraddr); |
| break; |
| case ETHTOOL_SFEATURES: |
| rc = ethtool_set_features(dev, useraddr); |
| break; |
| case ETHTOOL_GTXCSUM: |
| case ETHTOOL_GRXCSUM: |
| case ETHTOOL_GSG: |
| case ETHTOOL_GTSO: |
| case ETHTOOL_GUFO: |
| case ETHTOOL_GGSO: |
| case ETHTOOL_GGRO: |
| rc = ethtool_get_one_feature(dev, useraddr, ethcmd); |
| break; |
| case ETHTOOL_STXCSUM: |
| case ETHTOOL_SRXCSUM: |
| case ETHTOOL_SSG: |
| case ETHTOOL_STSO: |
| case ETHTOOL_SUFO: |
| case ETHTOOL_SGSO: |
| case ETHTOOL_SGRO: |
| rc = ethtool_set_one_feature(dev, useraddr, ethcmd); |
| break; |
| case ETHTOOL_GCHANNELS: |
| rc = ethtool_get_channels(dev, useraddr); |
| break; |
| case ETHTOOL_SCHANNELS: |
| rc = ethtool_set_channels(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; |
| } |
