diff options
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 1042 |
1 files changed, 1042 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c new file mode 100644 index 0000000..14ada53 --- /dev/null +++ b/net/core/ethtool.c @@ -0,0 +1,1042 @@ +/* + * 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 <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; +} + +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; +} + +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; +} + +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; +} + +/* 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; + +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; +} + +int ethtool_op_set_flags(struct net_device *dev, u32 data) +{ + if (data & ETH_FLAG_LRO) + dev->features |= NETIF_F_LRO; + else + dev->features &= ~NETIF_F_LRO; + + 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->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; + } else { + /* code path for obsolete hooks */ + + 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_set_rxhash(struct net_device *dev, void __user *useraddr) +{ + struct ethtool_rxnfc cmd; + + if (!dev->ethtool_ops->set_rxhash) + return -EOPNOTSUPP; + + if (copy_from_user(&cmd, useraddr, sizeof(cmd))) + return -EFAULT; + + return dev->ethtool_ops->set_rxhash(dev, &cmd); +} + +static int ethtool_get_rxhash(struct net_device *dev, void __user *useraddr) +{ + struct ethtool_rxnfc info; + + if (!dev->ethtool_ops->get_rxhash) + return -EOPNOTSUPP; + + if (copy_from_user(&info, useraddr, sizeof(info))) + return -EFAULT; + + dev->ethtool_ops->get_rxhash(dev, &info); + + 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_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_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 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_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_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_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_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, test_len; + + if (!ops->self_test) + return -EOPNOTSUPP; + if (!ops->get_sset_count && !ops->self_test_count) + return -EOPNOTSUPP; + + if (ops->get_sset_count) + test_len = ops->get_sset_count(dev, ETH_SS_TEST); + else + /* code path for obsolete hook */ + test_len = ops->self_test_count(dev); + 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; + 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; + + if (ops->get_sset_count) { + ret = ops->get_sset_count(dev, gstrings.string_set); + if (ret < 0) + return ret; + + gstrings.len = ret; + } else { + /* code path for obsolete hooks */ + + 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, n_stats; + + if (!ops->get_ethtool_stats) + return -EOPNOTSUPP; + if (!ops->get_sset_count && !ops->get_stats_count) + return -EOPNOTSUPP; + + if (ops->get_sset_count) + n_stats = ops->get_sset_count(dev, ETH_SS_STATS); + else + /* code path for obsolete hook */ + n_stats = ops->get_stats_count(dev); + 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 }; + + 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); +} + +/* 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; + unsigned long old_features; + + if (!dev || !netif_device_present(dev)) + return -ENODEV; + + if (!dev->ethtool_ops) + return -EOPNOTSUPP; + + 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: + case ETHTOOL_GFLAGS: + case ETHTOOL_GPFLAGS: + case ETHTOOL_GRXFH: + 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_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_value(dev, useraddr, ethcmd, + dev->ethtool_ops->get_link); + 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_value(dev, useraddr, ethcmd, + dev->ethtool_ops->get_rx_csum); + break; + case ETHTOOL_SRXCSUM: + rc = ethtool_set_value(dev, useraddr, + dev->ethtool_ops->set_rx_csum); + break; + case ETHTOOL_GTXCSUM: + rc = ethtool_get_value(dev, useraddr, ethcmd, + (dev->ethtool_ops->get_tx_csum ? + dev->ethtool_ops->get_tx_csum : + ethtool_op_get_tx_csum)); + break; + case ETHTOOL_STXCSUM: + rc = ethtool_set_tx_csum(dev, useraddr); + break; + case ETHTOOL_GSG: + rc = ethtool_get_value(dev, useraddr, ethcmd, + (dev->ethtool_ops->get_sg ? + dev->ethtool_ops->get_sg : + ethtool_op_get_sg)); + break; + case ETHTOOL_SSG: + rc = ethtool_set_sg(dev, useraddr); + break; + case ETHTOOL_GTSO: + rc = ethtool_get_value(dev, useraddr, ethcmd, + (dev->ethtool_ops->get_tso ? + dev->ethtool_ops->get_tso : + ethtool_op_get_tso)); + 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_value(dev, useraddr, ethcmd, + (dev->ethtool_ops->get_ufo ? + dev->ethtool_ops->get_ufo : + ethtool_op_get_ufo)); + 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; + case ETHTOOL_GFLAGS: + rc = ethtool_get_value(dev, useraddr, ethcmd, + dev->ethtool_ops->get_flags); + break; + case ETHTOOL_SFLAGS: + rc = ethtool_set_value(dev, useraddr, + dev->ethtool_ops->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: + rc = ethtool_get_rxhash(dev, useraddr); + break; + case ETHTOOL_SRXFH: + rc = ethtool_set_rxhash(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; +} + +EXPORT_SYMBOL(ethtool_op_get_link); +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_tx_ipv6_csum); +EXPORT_SYMBOL(ethtool_op_set_ufo); +EXPORT_SYMBOL(ethtool_op_get_ufo); +EXPORT_SYMBOL(ethtool_op_set_flags); +EXPORT_SYMBOL(ethtool_op_get_flags); |
