diff options
Diffstat (limited to 'drivers/net/igb/kcompat_ethtool.c')
| -rw-r--r-- | drivers/net/igb/kcompat_ethtool.c | 1172 |
1 files changed, 1172 insertions, 0 deletions
diff --git a/drivers/net/igb/kcompat_ethtool.c b/drivers/net/igb/kcompat_ethtool.c new file mode 100644 index 000000000000..3adf8696d6b5 --- /dev/null +++ b/drivers/net/igb/kcompat_ethtool.c @@ -0,0 +1,1172 @@ +/******************************************************************************* + + Intel(R) Gigabit Ethernet Linux driver + Copyright(c) 2007-2013 Intel Corporation. + + This program is free software; you can redistribute it and/or modify it + under the terms and conditions of the GNU General Public License, + version 2, as published by the Free Software Foundation. + + This program is distributed in the hope it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + + The full GNU General Public License is included in this distribution in + the file called "COPYING". + + Contact Information: + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + +/* + * 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. + * + * Modification by sfeldma@pobox.com to work as backward compat + * solution for pre-ethtool_ops kernels. + * - copied struct ethtool_ops from ethtool.h + * - defined SET_ETHTOOL_OPS + * - put in some #ifndef NETIF_F_xxx wrappers + * - changes refs to dev->ethtool_ops to ethtool_ops + * - changed dev_ethtool to ethtool_ioctl + * - remove EXPORT_SYMBOL()s + * - added _kc_ prefix in built-in ethtool_op_xxx ops. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/netdevice.h> +#include <asm/uaccess.h> + +#include "kcompat.h" + +#undef SUPPORTED_10000baseT_Full +#define SUPPORTED_10000baseT_Full (1 << 12) +#undef ADVERTISED_10000baseT_Full +#define ADVERTISED_10000baseT_Full (1 << 12) +#undef SPEED_10000 +#define SPEED_10000 10000 + +#undef ethtool_ops +#define ethtool_ops _kc_ethtool_ops + +struct _kc_ethtool_ops { + int (*get_settings)(struct net_device *, struct ethtool_cmd *); + int (*set_settings)(struct net_device *, struct ethtool_cmd *); + void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); + int (*get_regs_len)(struct net_device *); + void (*get_regs)(struct net_device *, struct ethtool_regs *, void *); + void (*get_wol)(struct net_device *, struct ethtool_wolinfo *); + int (*set_wol)(struct net_device *, struct ethtool_wolinfo *); + u32 (*get_msglevel)(struct net_device *); + void (*set_msglevel)(struct net_device *, u32); + int (*nway_reset)(struct net_device *); + u32 (*get_link)(struct net_device *); + int (*get_eeprom_len)(struct net_device *); + int (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *); + int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *); + int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *); + int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *); + void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *); + int (*set_ringparam)(struct net_device *, struct ethtool_ringparam *); + void (*get_pauseparam)(struct net_device *, + struct ethtool_pauseparam*); + int (*set_pauseparam)(struct net_device *, + struct ethtool_pauseparam*); + u32 (*get_rx_csum)(struct net_device *); + int (*set_rx_csum)(struct net_device *, u32); + u32 (*get_tx_csum)(struct net_device *); + int (*set_tx_csum)(struct net_device *, u32); + u32 (*get_sg)(struct net_device *); + int (*set_sg)(struct net_device *, u32); + u32 (*get_tso)(struct net_device *); + int (*set_tso)(struct net_device *, u32); + int (*self_test_count)(struct net_device *); + void (*self_test)(struct net_device *, struct ethtool_test *, u64 *); + void (*get_strings)(struct net_device *, u32 stringset, u8 *); + int (*phys_id)(struct net_device *, u32); + int (*get_stats_count)(struct net_device *); + void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, + u64 *); +} *ethtool_ops = NULL; + +#undef SET_ETHTOOL_OPS +#define SET_ETHTOOL_OPS(netdev, ops) (ethtool_ops = (ops)) + +/* + * Some useful ethtool_ops methods that are device independent. If we find that + * all drivers want to do the same thing here, we can turn these into dev_() + * function calls. + */ + +#undef ethtool_op_get_link +#define ethtool_op_get_link _kc_ethtool_op_get_link +u32 _kc_ethtool_op_get_link(struct net_device *dev) +{ + return netif_carrier_ok(dev) ? 1 : 0; +} + +#undef ethtool_op_get_tx_csum +#define ethtool_op_get_tx_csum _kc_ethtool_op_get_tx_csum +u32 _kc_ethtool_op_get_tx_csum(struct net_device *dev) +{ +#ifdef NETIF_F_IP_CSUM + return (dev->features & NETIF_F_IP_CSUM) != 0; +#else + return 0; +#endif +} + +#undef ethtool_op_set_tx_csum +#define ethtool_op_set_tx_csum _kc_ethtool_op_set_tx_csum +int _kc_ethtool_op_set_tx_csum(struct net_device *dev, u32 data) +{ +#ifdef NETIF_F_IP_CSUM + if (data) +#ifdef NETIF_F_IPV6_CSUM + dev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); + else + dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); +#else + dev->features |= NETIF_F_IP_CSUM; + else + dev->features &= ~NETIF_F_IP_CSUM; +#endif +#endif + + return 0; +} + +#undef ethtool_op_get_sg +#define ethtool_op_get_sg _kc_ethtool_op_get_sg +u32 _kc_ethtool_op_get_sg(struct net_device *dev) +{ +#ifdef NETIF_F_SG + return (dev->features & NETIF_F_SG) != 0; +#else + return 0; +#endif +} + +#undef ethtool_op_set_sg +#define ethtool_op_set_sg _kc_ethtool_op_set_sg +int _kc_ethtool_op_set_sg(struct net_device *dev, u32 data) +{ +#ifdef NETIF_F_SG + if (data) + dev->features |= NETIF_F_SG; + else + dev->features &= ~NETIF_F_SG; +#endif + + return 0; +} + +#undef ethtool_op_get_tso +#define ethtool_op_get_tso _kc_ethtool_op_get_tso +u32 _kc_ethtool_op_get_tso(struct net_device *dev) +{ +#ifdef NETIF_F_TSO + return (dev->features & NETIF_F_TSO) != 0; +#else + return 0; +#endif +} + +#undef ethtool_op_set_tso +#define ethtool_op_set_tso _kc_ethtool_op_set_tso +int _kc_ethtool_op_set_tso(struct net_device *dev, u32 data) +{ +#ifdef NETIF_F_TSO + if (data) + dev->features |= NETIF_F_TSO; + else + dev->features &= ~NETIF_F_TSO; +#endif + + return 0; +} + +/* Handlers for each ethtool command */ + +static int ethtool_get_settings(struct net_device *dev, void *useraddr) +{ + struct ethtool_cmd cmd = { ETHTOOL_GSET }; + int err; + + if (!ethtool_ops->get_settings) + return -EOPNOTSUPP; + + err = 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 *useraddr) +{ + struct ethtool_cmd cmd; + + if (!ethtool_ops->set_settings) + return -EOPNOTSUPP; + + if (copy_from_user(&cmd, useraddr, sizeof(cmd))) + return -EFAULT; + + return ethtool_ops->set_settings(dev, &cmd); +} + +static int ethtool_get_drvinfo(struct net_device *dev, void *useraddr) +{ + struct ethtool_drvinfo info; + struct ethtool_ops *ops = 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 *useraddr) +{ + struct ethtool_regs regs; + struct ethtool_ops *ops = 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, reglen)) + goto out; + ret = 0; + +out: + kfree(regbuf); + return ret; +} + +static int ethtool_get_wol(struct net_device *dev, char *useraddr) +{ + struct ethtool_wolinfo wol = { ETHTOOL_GWOL }; + + if (!ethtool_ops->get_wol) + return -EOPNOTSUPP; + + 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 *useraddr) +{ + struct ethtool_wolinfo wol; + + if (!ethtool_ops->set_wol) + return -EOPNOTSUPP; + + if (copy_from_user(&wol, useraddr, sizeof(wol))) + return -EFAULT; + + return ethtool_ops->set_wol(dev, &wol); +} + +static int ethtool_get_msglevel(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GMSGLVL }; + + if (!ethtool_ops->get_msglevel) + return -EOPNOTSUPP; + + edata.data = 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 *useraddr) +{ + struct ethtool_value edata; + + if (!ethtool_ops->set_msglevel) + return -EOPNOTSUPP; + + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; + + ethtool_ops->set_msglevel(dev, edata.data); + return 0; +} + +static int ethtool_nway_reset(struct net_device *dev) +{ + if (!ethtool_ops->nway_reset) + return -EOPNOTSUPP; + + return ethtool_ops->nway_reset(dev); +} + +static int ethtool_get_link(struct net_device *dev, void *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GLINK }; + + if (!ethtool_ops->get_link) + return -EOPNOTSUPP; + + edata.data = 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 *useraddr) +{ + struct ethtool_eeprom eeprom; + struct ethtool_ops *ops = 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 *useraddr) +{ + struct ethtool_eeprom eeprom; + struct ethtool_ops *ops = 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 *useraddr) +{ + struct ethtool_coalesce coalesce = { ETHTOOL_GCOALESCE }; + + if (!ethtool_ops->get_coalesce) + return -EOPNOTSUPP; + + 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 *useraddr) +{ + struct ethtool_coalesce coalesce; + + if (!ethtool_ops->get_coalesce) + return -EOPNOTSUPP; + + if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) + return -EFAULT; + + return ethtool_ops->set_coalesce(dev, &coalesce); +} + +static int ethtool_get_ringparam(struct net_device *dev, void *useraddr) +{ + struct ethtool_ringparam ringparam = { ETHTOOL_GRINGPARAM }; + + if (!ethtool_ops->get_ringparam) + return -EOPNOTSUPP; + + 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 *useraddr) +{ + struct ethtool_ringparam ringparam; + + if (!ethtool_ops->get_ringparam) + return -EOPNOTSUPP; + + if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) + return -EFAULT; + + return ethtool_ops->set_ringparam(dev, &ringparam); +} + +static int ethtool_get_pauseparam(struct net_device *dev, void *useraddr) +{ + struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM }; + + if (!ethtool_ops->get_pauseparam) + return -EOPNOTSUPP; + + 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 *useraddr) +{ + struct ethtool_pauseparam pauseparam; + + if (!ethtool_ops->get_pauseparam) + return -EOPNOTSUPP; + + if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam))) + return -EFAULT; + + return ethtool_ops->set_pauseparam(dev, &pauseparam); +} + +static int ethtool_get_rx_csum(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GRXCSUM }; + + if (!ethtool_ops->get_rx_csum) + return -EOPNOTSUPP; + + edata.data = 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 *useraddr) +{ + struct ethtool_value edata; + + if (!ethtool_ops->set_rx_csum) + return -EOPNOTSUPP; + + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; + + ethtool_ops->set_rx_csum(dev, edata.data); + return 0; +} + +static int ethtool_get_tx_csum(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GTXCSUM }; + + if (!ethtool_ops->get_tx_csum) + return -EOPNOTSUPP; + + edata.data = ethtool_ops->get_tx_csum(dev); + + if (copy_to_user(useraddr, &edata, sizeof(edata))) + return -EFAULT; + return 0; +} + +static int ethtool_set_tx_csum(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata; + + if (!ethtool_ops->set_tx_csum) + return -EOPNOTSUPP; + + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; + + return ethtool_ops->set_tx_csum(dev, edata.data); +} + +static int ethtool_get_sg(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GSG }; + + if (!ethtool_ops->get_sg) + return -EOPNOTSUPP; + + edata.data = 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 *useraddr) +{ + struct ethtool_value edata; + + if (!ethtool_ops->set_sg) + return -EOPNOTSUPP; + + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; + + return ethtool_ops->set_sg(dev, edata.data); +} + +static int ethtool_get_tso(struct net_device *dev, char *useraddr) +{ + struct ethtool_value edata = { ETHTOOL_GTSO }; + + if (!ethtool_ops->get_tso) + return -EOPNOTSUPP; + + edata.data = 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 *useraddr) +{ + struct ethtool_value edata; + + if (!ethtool_ops->set_tso) + return -EOPNOTSUPP; + + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; + + return ethtool_ops->set_tso(dev, edata.data); +} + +static int ethtool_self_test(struct net_device *dev, char *useraddr) +{ + struct ethtool_test test; + struct ethtool_ops *ops = 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 *useraddr) +{ + struct ethtool_gstrings gstrings; + struct ethtool_ops *ops = 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 *useraddr) +{ + struct ethtool_value id; + + if (!ethtool_ops->phys_id) + return -EOPNOTSUPP; + + if (copy_from_user(&id, useraddr, sizeof(id))) + return -EFAULT; + + return ethtool_ops->phys_id(dev, id.data); +} + +static int ethtool_get_stats(struct net_device *dev, void *useraddr) +{ + struct ethtool_stats stats; + struct ethtool_ops *ops = 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; +} + +/* The main entry point in this file. Called from net/core/dev.c */ + +#define ETHTOOL_OPS_COMPAT +int ethtool_ioctl(struct ifreq *ifr) +{ + struct net_device *dev = __dev_get_by_name(ifr->ifr_name); + void *useraddr = (void *) ifr->ifr_data; + u32 ethcmd; + + /* + * XXX: This can be pushed down into the ethtool_* handlers that + * need it. Keep existing behavior 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; +} + +#define mii_if_info _kc_mii_if_info +struct _kc_mii_if_info { + int phy_id; + int advertising; + int phy_id_mask; + int reg_num_mask; + + unsigned int full_duplex : 1; /* is full duplex? */ + unsigned int force_media : 1; /* is autoneg. disabled? */ + + struct net_device *dev; + int (*mdio_read) (struct net_device *dev, int phy_id, int location); + void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val); +}; + +struct ethtool_cmd; +struct mii_ioctl_data; + +#undef mii_link_ok +#define mii_link_ok _kc_mii_link_ok +#undef mii_nway_restart +#define mii_nway_restart _kc_mii_nway_restart +#undef mii_ethtool_gset +#define mii_ethtool_gset _kc_mii_ethtool_gset +#undef mii_ethtool_sset +#define mii_ethtool_sset _kc_mii_ethtool_sset +#undef mii_check_link +#define mii_check_link _kc_mii_check_link +extern int _kc_mii_link_ok (struct mii_if_info *mii); +extern int _kc_mii_nway_restart (struct mii_if_info *mii); +extern int _kc_mii_ethtool_gset(struct mii_if_info *mii, + struct ethtool_cmd *ecmd); +extern int _kc_mii_ethtool_sset(struct mii_if_info *mii, + struct ethtool_cmd *ecmd); +extern void _kc_mii_check_link (struct mii_if_info *mii); +#if ( LINUX_VERSION_CODE > KERNEL_VERSION(2,4,6) ) +#undef generic_mii_ioctl +#define generic_mii_ioctl _kc_generic_mii_ioctl +extern int _kc_generic_mii_ioctl(struct mii_if_info *mii_if, + struct mii_ioctl_data *mii_data, int cmd, + unsigned int *duplex_changed); +#endif /* > 2.4.6 */ + + +struct _kc_pci_dev_ext { + struct pci_dev *dev; + void *pci_drvdata; + struct pci_driver *driver; +}; + +struct _kc_net_dev_ext { + struct net_device *dev; + unsigned int carrier; +}; + + +/**************************************/ +/* mii support */ + +int _kc_mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) +{ + struct net_device *dev = mii->dev; + u32 advert, bmcr, lpa, nego; + + ecmd->supported = + (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII); + + /* only supports twisted-pair */ + ecmd->port = PORT_MII; + + /* only supports internal transceiver */ + ecmd->transceiver = XCVR_INTERNAL; + + /* this isn't fully supported at higher layers */ + ecmd->phy_address = mii->phy_id; + + ecmd->advertising = ADVERTISED_TP | ADVERTISED_MII; + advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE); + if (advert & ADVERTISE_10HALF) + ecmd->advertising |= ADVERTISED_10baseT_Half; + if (advert & ADVERTISE_10FULL) + ecmd->advertising |= ADVERTISED_10baseT_Full; + if (advert & ADVERTISE_100HALF) + ecmd->advertising |= ADVERTISED_100baseT_Half; + if (advert & ADVERTISE_100FULL) + ecmd->advertising |= ADVERTISED_100baseT_Full; + + bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR); + lpa = mii->mdio_read(dev, mii->phy_id, MII_LPA); + if (bmcr & BMCR_ANENABLE) { + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->autoneg = AUTONEG_ENABLE; + + nego = mii_nway_result(advert & lpa); + if (nego == LPA_100FULL || nego == LPA_100HALF) + ecmd->speed = SPEED_100; + else + ecmd->speed = SPEED_10; + if (nego == LPA_100FULL || nego == LPA_10FULL) { + ecmd->duplex = DUPLEX_FULL; + mii->full_duplex = 1; + } else { + ecmd->duplex = DUPLEX_HALF; + mii->full_duplex = 0; + } + } else { + ecmd->autoneg = AUTONEG_DISABLE; + + ecmd->speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10; + ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF; + } + + /* ignore maxtxpkt, maxrxpkt for now */ + + return 0; +} + +int _kc_mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) +{ + struct net_device *dev = mii->dev; + + if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100) + return -EINVAL; + if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) + return -EINVAL; + if (ecmd->port != PORT_MII) + return -EINVAL; + if (ecmd->transceiver != XCVR_INTERNAL) + return -EINVAL; + if (ecmd->phy_address != mii->phy_id) + return -EINVAL; + if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE) + return -EINVAL; + + /* ignore supported, maxtxpkt, maxrxpkt */ + + if (ecmd->autoneg == AUTONEG_ENABLE) { + u32 bmcr, advert, tmp; + + if ((ecmd->advertising & (ADVERTISED_10baseT_Half | + ADVERTISED_10baseT_Full | + ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full)) == 0) + return -EINVAL; + + /* advertise only what has been requested */ + advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE); + tmp = advert & ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + if (ADVERTISED_10baseT_Half) + tmp |= ADVERTISE_10HALF; + if (ADVERTISED_10baseT_Full) + tmp |= ADVERTISE_10FULL; + if (ADVERTISED_100baseT_Half) + tmp |= ADVERTISE_100HALF; + if (ADVERTISED_100baseT_Full) + tmp |= ADVERTISE_100FULL; + if (advert != tmp) { + mii->mdio_write(dev, mii->phy_id, MII_ADVERTISE, tmp); + mii->advertising = tmp; + } + + /* turn on autonegotiation, and force a renegotiate */ + bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR); + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + mii->mdio_write(dev, mii->phy_id, MII_BMCR, bmcr); + + mii->force_media = 0; + } else { + u32 bmcr, tmp; + + /* turn off auto negotiation, set speed and duplexity */ + bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR); + tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | BMCR_FULLDPLX); + if (ecmd->speed == SPEED_100) + tmp |= BMCR_SPEED100; + if (ecmd->duplex == DUPLEX_FULL) { + tmp |= BMCR_FULLDPLX; + mii->full_duplex = 1; + } else + mii->full_duplex = 0; + if (bmcr != tmp) + mii->mdio_write(dev, mii->phy_id, MII_BMCR, tmp); + + mii->force_media = 1; + } + return 0; +} + +int _kc_mii_link_ok (struct mii_if_info *mii) +{ + /* first, a dummy read, needed to latch some MII phys */ + mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR); + if (mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR) & BMSR_LSTATUS) + return 1; + return 0; +} + +int _kc_mii_nway_restart (struct mii_if_info *mii) +{ + int bmcr; + int r = -EINVAL; + + /* if autoneg is off, it's an error */ + bmcr = mii->mdio_read(mii->dev, mii->phy_id, MII_BMCR); + + if (bmcr & BMCR_ANENABLE) { + bmcr |= BMCR_ANRESTART; + mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, bmcr); + r = 0; + } + + return r; +} + +void _kc_mii_check_link (struct mii_if_info *mii) +{ + int cur_link = mii_link_ok(mii); + int prev_link = netif_carrier_ok(mii->dev); + + if (cur_link && !prev_link) + netif_carrier_on(mii->dev); + else if (prev_link && !cur_link) + netif_carrier_off(mii->dev); +} + +#if ( LINUX_VERSION_CODE > KERNEL_VERSION(2,4,6) ) +int _kc_generic_mii_ioctl(struct mii_if_info *mii_if, + struct mii_ioctl_data *mii_data, int cmd, + unsigned int *duplex_chg_out) +{ + int rc = 0; + unsigned int duplex_changed = 0; + + if (duplex_chg_out) + *duplex_chg_out = 0; + + mii_data->phy_id &= mii_if->phy_id_mask; + mii_data->reg_num &= mii_if->reg_num_mask; + + switch(cmd) { + case SIOCDEVPRIVATE: /* binary compat, remove in 2.5 */ + case SIOCGMIIPHY: + mii_data->phy_id = mii_if->phy_id; + /* fall through */ + + case SIOCDEVPRIVATE + 1:/* binary compat, remove in 2.5 */ + case SIOCGMIIREG: + mii_data->val_out = + mii_if->mdio_read(mii_if->dev, mii_data->phy_id, + mii_data->reg_num); + break; + + case SIOCDEVPRIVATE + 2:/* binary compat, remove in 2.5 */ + case SIOCSMIIREG: { + u16 val = mii_data->val_in; + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (mii_data->phy_id == mii_if->phy_id) { + switch(mii_data->reg_num) { + case MII_BMCR: { + unsigned int new_duplex = 0; + if (val & (BMCR_RESET|BMCR_ANENABLE)) + mii_if->force_media = 0; + else + mii_if->force_media = 1; + if (mii_if->force_media && + (val & BMCR_FULLDPLX)) + new_duplex = 1; + if (mii_if->full_duplex != new_duplex) { + duplex_changed = 1; + mii_if->full_duplex = new_duplex; + } + break; + } + case MII_ADVERTISE: + mii_if->advertising = val; + break; + default: + /* do nothing */ + break; + } + } + + mii_if->mdio_write(mii_if->dev, mii_data->phy_id, + mii_data->reg_num, val); + break; + } + + default: + rc = -EOPNOTSUPP; + break; + } + + if ((rc == 0) && (duplex_chg_out) && (duplex_changed)) + *duplex_chg_out = 1; + + return rc; +} +#endif /* > 2.4.6 */ + |